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, ShowScrollbar,
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::language_settings::{
55 IndentGuideBackgroundColoring, IndentGuideColoring, IndentGuideSettings, ShowWhitespaceSetting,
56};
57use markdown::Markdown;
58use multi_buffer::{
59 Anchor, ExcerptId, ExcerptInfo, ExpandExcerptDirection, ExpandInfo, MultiBufferPoint,
60 MultiBufferRow, RowInfo,
61};
62
63use project::{
64 Entry, ProjectPath,
65 debugger::breakpoint_store::{Breakpoint, BreakpointSessionState},
66 project_settings::{GitGutterSetting, GitHunkStyleSetting, ProjectSettings},
67};
68use settings::Settings;
69use smallvec::{SmallVec, smallvec};
70use std::{
71 any::TypeId,
72 borrow::Cow,
73 cmp::{self, Ordering},
74 fmt::{self, Write},
75 iter, mem,
76 ops::{Deref, Range},
77 path::{self, Path},
78 rc::Rc,
79 sync::Arc,
80 time::{Duration, Instant},
81};
82use sum_tree::Bias;
83use text::{BufferId, SelectionGoal};
84use theme::{ActiveTheme, Appearance, BufferLineHeight, PlayerColor};
85use ui::utils::ensure_minimum_contrast;
86use ui::{
87 ButtonLike, ContextMenu, Indicator, KeyBinding, POPOVER_Y_PADDING, Tooltip, h_flex, prelude::*,
88 right_click_menu,
89};
90use unicode_segmentation::UnicodeSegmentation;
91use util::post_inc;
92use util::{RangeExt, ResultExt, debug_panic};
93use workspace::{
94 CollaboratorId, ItemSettings, OpenInTerminal, OpenTerminal, RevealInProjectPanel, Workspace,
95 item::Item, notifications::NotifyTaskExt,
96};
97
98/// Determines what kinds of highlights should be applied to a lines background.
99#[derive(Clone, Copy, Default)]
100struct LineHighlightSpec {
101 selection: bool,
102 breakpoint: bool,
103 _active_stack_frame: bool,
104}
105
106#[derive(Debug)]
107struct SelectionLayout {
108 head: DisplayPoint,
109 cursor_shape: CursorShape,
110 is_newest: bool,
111 is_local: bool,
112 range: Range<DisplayPoint>,
113 active_rows: Range<DisplayRow>,
114 user_name: Option<SharedString>,
115}
116
117struct InlineBlameLayout {
118 element: AnyElement,
119 bounds: Bounds<Pixels>,
120 buffer_id: BufferId,
121 entry: BlameEntry,
122}
123
124impl SelectionLayout {
125 fn new<T: ToPoint + ToDisplayPoint + Clone>(
126 selection: Selection<T>,
127 line_mode: bool,
128 cursor_shape: CursorShape,
129 map: &DisplaySnapshot,
130 is_newest: bool,
131 is_local: bool,
132 user_name: Option<SharedString>,
133 ) -> Self {
134 let point_selection = selection.map(|p| p.to_point(&map.buffer_snapshot));
135 let display_selection = point_selection.map(|p| p.to_display_point(map));
136 let mut range = display_selection.range();
137 let mut head = display_selection.head();
138 let mut active_rows = map.prev_line_boundary(point_selection.start).1.row()
139 ..map.next_line_boundary(point_selection.end).1.row();
140
141 // vim visual line mode
142 if line_mode {
143 let point_range = map.expand_to_line(point_selection.range());
144 range = point_range.start.to_display_point(map)..point_range.end.to_display_point(map);
145 }
146
147 // any vim visual mode (including line mode)
148 if (cursor_shape == CursorShape::Block || cursor_shape == CursorShape::Hollow)
149 && !range.is_empty()
150 && !selection.reversed
151 {
152 if head.column() > 0 {
153 head = map.clip_point(DisplayPoint::new(head.row(), head.column() - 1), Bias::Left)
154 } else if head.row().0 > 0 && head != map.max_point() {
155 head = map.clip_point(
156 DisplayPoint::new(
157 head.row().previous_row(),
158 map.line_len(head.row().previous_row()),
159 ),
160 Bias::Left,
161 );
162 // updating range.end is a no-op unless you're cursor is
163 // on the newline containing a multi-buffer divider
164 // in which case the clip_point may have moved the head up
165 // an additional row.
166 range.end = DisplayPoint::new(head.row().next_row(), 0);
167 active_rows.end = head.row();
168 }
169 }
170
171 Self {
172 head,
173 cursor_shape,
174 is_newest,
175 is_local,
176 range,
177 active_rows,
178 user_name,
179 }
180 }
181}
182
183pub struct EditorElement {
184 editor: Entity<Editor>,
185 style: EditorStyle,
186}
187
188type DisplayRowDelta = u32;
189
190impl EditorElement {
191 pub(crate) const SCROLLBAR_WIDTH: Pixels = px(15.);
192
193 pub fn new(editor: &Entity<Editor>, style: EditorStyle) -> Self {
194 Self {
195 editor: editor.clone(),
196 style,
197 }
198 }
199
200 fn register_actions(&self, window: &mut Window, cx: &mut App) {
201 let editor = &self.editor;
202 editor.update(cx, |editor, cx| {
203 for action in editor.editor_actions.borrow().values() {
204 (action)(editor, window, cx)
205 }
206 });
207
208 crate::rust_analyzer_ext::apply_related_actions(editor, window, cx);
209 crate::clangd_ext::apply_related_actions(editor, window, cx);
210
211 register_action(editor, window, Editor::open_context_menu);
212 register_action(editor, window, Editor::move_left);
213 register_action(editor, window, Editor::move_right);
214 register_action(editor, window, Editor::move_down);
215 register_action(editor, window, Editor::move_down_by_lines);
216 register_action(editor, window, Editor::select_down_by_lines);
217 register_action(editor, window, Editor::move_up);
218 register_action(editor, window, Editor::move_up_by_lines);
219 register_action(editor, window, Editor::select_up_by_lines);
220 register_action(editor, window, Editor::select_page_down);
221 register_action(editor, window, Editor::select_page_up);
222 register_action(editor, window, Editor::cancel);
223 register_action(editor, window, Editor::newline);
224 register_action(editor, window, Editor::newline_above);
225 register_action(editor, window, Editor::newline_below);
226 register_action(editor, window, Editor::backspace);
227 register_action(editor, window, Editor::blame_hover);
228 register_action(editor, window, Editor::delete);
229 register_action(editor, window, Editor::tab);
230 register_action(editor, window, Editor::backtab);
231 register_action(editor, window, Editor::indent);
232 register_action(editor, window, Editor::outdent);
233 register_action(editor, window, Editor::autoindent);
234 register_action(editor, window, Editor::delete_line);
235 register_action(editor, window, Editor::join_lines);
236 register_action(editor, window, Editor::sort_lines_by_length);
237 register_action(editor, window, Editor::sort_lines_case_sensitive);
238 register_action(editor, window, Editor::sort_lines_case_insensitive);
239 register_action(editor, window, Editor::reverse_lines);
240 register_action(editor, window, Editor::shuffle_lines);
241 register_action(editor, window, Editor::convert_indentation_to_spaces);
242 register_action(editor, window, Editor::convert_indentation_to_tabs);
243 register_action(editor, window, Editor::convert_to_upper_case);
244 register_action(editor, window, Editor::convert_to_lower_case);
245 register_action(editor, window, Editor::convert_to_title_case);
246 register_action(editor, window, Editor::convert_to_snake_case);
247 register_action(editor, window, Editor::convert_to_kebab_case);
248 register_action(editor, window, Editor::convert_to_upper_camel_case);
249 register_action(editor, window, Editor::convert_to_lower_camel_case);
250 register_action(editor, window, Editor::convert_to_opposite_case);
251 register_action(editor, window, Editor::convert_to_sentence_case);
252 register_action(editor, window, Editor::toggle_case);
253 register_action(editor, window, Editor::convert_to_rot13);
254 register_action(editor, window, Editor::convert_to_rot47);
255 register_action(editor, window, Editor::delete_to_previous_word_start);
256 register_action(editor, window, Editor::delete_to_previous_subword_start);
257 register_action(editor, window, Editor::delete_to_next_word_end);
258 register_action(editor, window, Editor::delete_to_next_subword_end);
259 register_action(editor, window, Editor::delete_to_beginning_of_line);
260 register_action(editor, window, Editor::delete_to_end_of_line);
261 register_action(editor, window, Editor::cut_to_end_of_line);
262 register_action(editor, window, Editor::duplicate_line_up);
263 register_action(editor, window, Editor::duplicate_line_down);
264 register_action(editor, window, Editor::duplicate_selection);
265 register_action(editor, window, Editor::move_line_up);
266 register_action(editor, window, Editor::move_line_down);
267 register_action(editor, window, Editor::transpose);
268 register_action(editor, window, Editor::rewrap);
269 register_action(editor, window, Editor::cut);
270 register_action(editor, window, Editor::kill_ring_cut);
271 register_action(editor, window, Editor::kill_ring_yank);
272 register_action(editor, window, Editor::copy);
273 register_action(editor, window, Editor::copy_and_trim);
274 register_action(editor, window, Editor::diff_clipboard_with_selection);
275 register_action(editor, window, Editor::paste);
276 register_action(editor, window, Editor::undo);
277 register_action(editor, window, Editor::redo);
278 register_action(editor, window, Editor::move_page_up);
279 register_action(editor, window, Editor::move_page_down);
280 register_action(editor, window, Editor::next_screen);
281 register_action(editor, window, Editor::scroll_cursor_top);
282 register_action(editor, window, Editor::scroll_cursor_center);
283 register_action(editor, window, Editor::scroll_cursor_bottom);
284 register_action(editor, window, Editor::scroll_cursor_center_top_bottom);
285 register_action(editor, window, |editor, _: &LineDown, window, cx| {
286 editor.scroll_screen(&ScrollAmount::Line(1.), window, cx)
287 });
288 register_action(editor, window, |editor, _: &LineUp, window, cx| {
289 editor.scroll_screen(&ScrollAmount::Line(-1.), window, cx)
290 });
291 register_action(editor, window, |editor, _: &HalfPageDown, window, cx| {
292 editor.scroll_screen(&ScrollAmount::Page(0.5), window, cx)
293 });
294 register_action(
295 editor,
296 window,
297 |editor, HandleInput(text): &HandleInput, window, cx| {
298 if text.is_empty() {
299 return;
300 }
301 editor.handle_input(text, window, cx);
302 },
303 );
304 register_action(editor, window, |editor, _: &HalfPageUp, window, cx| {
305 editor.scroll_screen(&ScrollAmount::Page(-0.5), window, cx)
306 });
307 register_action(editor, window, |editor, _: &PageDown, window, cx| {
308 editor.scroll_screen(&ScrollAmount::Page(1.), window, cx)
309 });
310 register_action(editor, window, |editor, _: &PageUp, window, cx| {
311 editor.scroll_screen(&ScrollAmount::Page(-1.), window, cx)
312 });
313 register_action(editor, window, Editor::move_to_previous_word_start);
314 register_action(editor, window, Editor::move_to_previous_subword_start);
315 register_action(editor, window, Editor::move_to_next_word_end);
316 register_action(editor, window, Editor::move_to_next_subword_end);
317 register_action(editor, window, Editor::move_to_beginning_of_line);
318 register_action(editor, window, Editor::move_to_end_of_line);
319 register_action(editor, window, Editor::move_to_start_of_paragraph);
320 register_action(editor, window, Editor::move_to_end_of_paragraph);
321 register_action(editor, window, Editor::move_to_beginning);
322 register_action(editor, window, Editor::move_to_end);
323 register_action(editor, window, Editor::move_to_start_of_excerpt);
324 register_action(editor, window, Editor::move_to_start_of_next_excerpt);
325 register_action(editor, window, Editor::move_to_end_of_excerpt);
326 register_action(editor, window, Editor::move_to_end_of_previous_excerpt);
327 register_action(editor, window, Editor::select_up);
328 register_action(editor, window, Editor::select_down);
329 register_action(editor, window, Editor::select_left);
330 register_action(editor, window, Editor::select_right);
331 register_action(editor, window, Editor::select_to_previous_word_start);
332 register_action(editor, window, Editor::select_to_previous_subword_start);
333 register_action(editor, window, Editor::select_to_next_word_end);
334 register_action(editor, window, Editor::select_to_next_subword_end);
335 register_action(editor, window, Editor::select_to_beginning_of_line);
336 register_action(editor, window, Editor::select_to_end_of_line);
337 register_action(editor, window, Editor::select_to_start_of_paragraph);
338 register_action(editor, window, Editor::select_to_end_of_paragraph);
339 register_action(editor, window, Editor::select_to_start_of_excerpt);
340 register_action(editor, window, Editor::select_to_start_of_next_excerpt);
341 register_action(editor, window, Editor::select_to_end_of_excerpt);
342 register_action(editor, window, Editor::select_to_end_of_previous_excerpt);
343 register_action(editor, window, Editor::select_to_beginning);
344 register_action(editor, window, Editor::select_to_end);
345 register_action(editor, window, Editor::select_all);
346 register_action(editor, window, |editor, action, window, cx| {
347 editor.select_all_matches(action, window, cx).log_err();
348 });
349 register_action(editor, window, Editor::select_line);
350 register_action(editor, window, Editor::split_selection_into_lines);
351 register_action(editor, window, Editor::add_selection_above);
352 register_action(editor, window, Editor::add_selection_below);
353 register_action(editor, window, |editor, action, window, cx| {
354 editor.select_next(action, window, cx).log_err();
355 });
356 register_action(editor, window, |editor, action, window, cx| {
357 editor.select_previous(action, window, cx).log_err();
358 });
359 register_action(editor, window, |editor, action, window, cx| {
360 editor.find_next_match(action, window, cx).log_err();
361 });
362 register_action(editor, window, |editor, action, window, cx| {
363 editor.find_previous_match(action, window, cx).log_err();
364 });
365 register_action(editor, window, Editor::toggle_comments);
366 register_action(editor, window, Editor::select_larger_syntax_node);
367 register_action(editor, window, Editor::select_smaller_syntax_node);
368 register_action(editor, window, Editor::unwrap_syntax_node);
369 register_action(editor, window, Editor::select_enclosing_symbol);
370 register_action(editor, window, Editor::move_to_enclosing_bracket);
371 register_action(editor, window, Editor::undo_selection);
372 register_action(editor, window, Editor::redo_selection);
373 if !editor.read(cx).is_singleton(cx) {
374 register_action(editor, window, Editor::expand_excerpts);
375 register_action(editor, window, Editor::expand_excerpts_up);
376 register_action(editor, window, Editor::expand_excerpts_down);
377 }
378 register_action(editor, window, Editor::go_to_diagnostic);
379 register_action(editor, window, Editor::go_to_prev_diagnostic);
380 register_action(editor, window, Editor::go_to_next_hunk);
381 register_action(editor, window, Editor::go_to_prev_hunk);
382 register_action(editor, window, |editor, action, window, cx| {
383 editor
384 .go_to_definition(action, window, cx)
385 .detach_and_log_err(cx);
386 });
387 register_action(editor, window, |editor, action, window, cx| {
388 editor
389 .go_to_definition_split(action, window, cx)
390 .detach_and_log_err(cx);
391 });
392 register_action(editor, window, |editor, action, window, cx| {
393 editor
394 .go_to_declaration(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_split(action, window, cx)
400 .detach_and_log_err(cx);
401 });
402 register_action(editor, window, |editor, action, window, cx| {
403 editor
404 .go_to_implementation(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_split(action, window, cx)
410 .detach_and_log_err(cx);
411 });
412 register_action(editor, window, |editor, action, window, cx| {
413 editor
414 .go_to_type_definition(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_split(action, window, cx)
420 .detach_and_log_err(cx);
421 });
422 register_action(editor, window, Editor::open_url);
423 register_action(editor, window, Editor::open_selected_filename);
424 register_action(editor, window, Editor::fold);
425 register_action(editor, window, Editor::fold_at_level);
426 register_action(editor, window, Editor::fold_all);
427 register_action(editor, window, Editor::fold_function_bodies);
428 register_action(editor, window, Editor::fold_recursive);
429 register_action(editor, window, Editor::toggle_fold);
430 register_action(editor, window, Editor::toggle_fold_recursive);
431 register_action(editor, window, Editor::toggle_fold_all);
432 register_action(editor, window, Editor::unfold_lines);
433 register_action(editor, window, Editor::unfold_recursive);
434 register_action(editor, window, Editor::unfold_all);
435 register_action(editor, window, Editor::fold_selected_ranges);
436 register_action(editor, window, Editor::set_mark);
437 register_action(editor, window, Editor::swap_selection_ends);
438 register_action(editor, window, Editor::show_completions);
439 register_action(editor, window, Editor::show_word_completions);
440 register_action(editor, window, Editor::toggle_code_actions);
441 register_action(editor, window, Editor::open_excerpts);
442 register_action(editor, window, Editor::open_excerpts_in_split);
443 register_action(editor, window, Editor::open_proposed_changes_editor);
444 register_action(editor, window, Editor::toggle_soft_wrap);
445 register_action(editor, window, Editor::toggle_tab_bar);
446 register_action(editor, window, Editor::toggle_line_numbers);
447 register_action(editor, window, Editor::toggle_relative_line_numbers);
448 register_action(editor, window, Editor::toggle_indent_guides);
449 register_action(editor, window, Editor::toggle_inlay_hints);
450 register_action(editor, window, Editor::toggle_edit_predictions);
451 if editor.read(cx).diagnostics_enabled() {
452 register_action(editor, window, Editor::toggle_diagnostics);
453 }
454 if editor.read(cx).inline_diagnostics_enabled() {
455 register_action(editor, window, Editor::toggle_inline_diagnostics);
456 }
457 if editor.read(cx).supports_minimap(cx) {
458 register_action(editor, window, Editor::toggle_minimap);
459 }
460 register_action(editor, window, hover_popover::hover);
461 register_action(editor, window, Editor::reveal_in_finder);
462 register_action(editor, window, Editor::copy_path);
463 register_action(editor, window, Editor::copy_relative_path);
464 register_action(editor, window, Editor::copy_file_name);
465 register_action(editor, window, Editor::copy_file_name_without_extension);
466 register_action(editor, window, Editor::copy_highlight_json);
467 register_action(editor, window, Editor::copy_permalink_to_line);
468 register_action(editor, window, Editor::open_permalink_to_line);
469 register_action(editor, window, Editor::copy_file_location);
470 register_action(editor, window, Editor::toggle_git_blame);
471 register_action(editor, window, Editor::toggle_git_blame_inline);
472 register_action(editor, window, Editor::open_git_blame_commit);
473 register_action(editor, window, Editor::toggle_selected_diff_hunks);
474 register_action(editor, window, Editor::toggle_staged_selected_diff_hunks);
475 register_action(editor, window, Editor::stage_and_next);
476 register_action(editor, window, Editor::unstage_and_next);
477 register_action(editor, window, Editor::expand_all_diff_hunks);
478 register_action(editor, window, Editor::go_to_previous_change);
479 register_action(editor, window, Editor::go_to_next_change);
480
481 register_action(editor, window, |editor, action, window, cx| {
482 if let Some(task) = editor.format(action, window, cx) {
483 task.detach_and_notify_err(window, cx);
484 } else {
485 cx.propagate();
486 }
487 });
488 register_action(editor, window, |editor, action, window, cx| {
489 if let Some(task) = editor.format_selections(action, window, cx) {
490 task.detach_and_notify_err(window, cx);
491 } else {
492 cx.propagate();
493 }
494 });
495 register_action(editor, window, |editor, action, window, cx| {
496 if let Some(task) = editor.organize_imports(action, window, cx) {
497 task.detach_and_notify_err(window, cx);
498 } else {
499 cx.propagate();
500 }
501 });
502 register_action(editor, window, Editor::restart_language_server);
503 register_action(editor, window, Editor::stop_language_server);
504 register_action(editor, window, Editor::show_character_palette);
505 register_action(editor, window, |editor, action, window, cx| {
506 if let Some(task) = editor.confirm_completion(action, window, cx) {
507 task.detach_and_notify_err(window, cx);
508 } else {
509 cx.propagate();
510 }
511 });
512 register_action(editor, window, |editor, action, window, cx| {
513 if let Some(task) = editor.confirm_completion_replace(action, window, cx) {
514 task.detach_and_notify_err(window, cx);
515 } else {
516 cx.propagate();
517 }
518 });
519 register_action(editor, window, |editor, action, window, cx| {
520 if let Some(task) = editor.confirm_completion_insert(action, window, cx) {
521 task.detach_and_notify_err(window, cx);
522 } else {
523 cx.propagate();
524 }
525 });
526 register_action(editor, window, |editor, action, window, cx| {
527 if let Some(task) = editor.compose_completion(action, window, cx) {
528 task.detach_and_notify_err(window, cx);
529 } else {
530 cx.propagate();
531 }
532 });
533 register_action(editor, window, |editor, action, window, cx| {
534 if let Some(task) = editor.confirm_code_action(action, window, cx) {
535 task.detach_and_notify_err(window, cx);
536 } else {
537 cx.propagate();
538 }
539 });
540 register_action(editor, window, |editor, action, window, cx| {
541 if let Some(task) = editor.rename(action, window, cx) {
542 task.detach_and_notify_err(window, cx);
543 } else {
544 cx.propagate();
545 }
546 });
547 register_action(editor, window, |editor, action, window, cx| {
548 if let Some(task) = editor.confirm_rename(action, window, cx) {
549 task.detach_and_notify_err(window, cx);
550 } else {
551 cx.propagate();
552 }
553 });
554 register_action(editor, window, |editor, action, window, cx| {
555 if let Some(task) = editor.find_all_references(action, window, cx) {
556 task.detach_and_log_err(cx);
557 } else {
558 cx.propagate();
559 }
560 });
561 register_action(editor, window, Editor::show_signature_help);
562 register_action(editor, window, Editor::signature_help_prev);
563 register_action(editor, window, Editor::signature_help_next);
564 register_action(editor, window, Editor::next_edit_prediction);
565 register_action(editor, window, Editor::previous_edit_prediction);
566 register_action(editor, window, Editor::show_edit_prediction);
567 register_action(editor, window, Editor::context_menu_first);
568 register_action(editor, window, Editor::context_menu_prev);
569 register_action(editor, window, Editor::context_menu_next);
570 register_action(editor, window, Editor::context_menu_last);
571 register_action(editor, window, Editor::display_cursor_names);
572 register_action(editor, window, Editor::unique_lines_case_insensitive);
573 register_action(editor, window, Editor::unique_lines_case_sensitive);
574 register_action(editor, window, Editor::accept_partial_edit_prediction);
575 register_action(editor, window, Editor::accept_edit_prediction);
576 register_action(editor, window, Editor::restore_file);
577 register_action(editor, window, Editor::git_restore);
578 register_action(editor, window, Editor::apply_all_diff_hunks);
579 register_action(editor, window, Editor::apply_selected_diff_hunks);
580 register_action(editor, window, Editor::open_active_item_in_terminal);
581 register_action(editor, window, Editor::reload_file);
582 register_action(editor, window, Editor::spawn_nearest_task);
583 register_action(editor, window, Editor::insert_uuid_v4);
584 register_action(editor, window, Editor::insert_uuid_v7);
585 register_action(editor, window, Editor::open_selections_in_multibuffer);
586 register_action(editor, window, Editor::toggle_breakpoint);
587 register_action(editor, window, Editor::edit_log_breakpoint);
588 register_action(editor, window, Editor::enable_breakpoint);
589 register_action(editor, window, Editor::disable_breakpoint);
590 if editor.read(cx).enable_wrap_selections_in_tag(cx) {
591 register_action(editor, window, Editor::wrap_selections_in_tag);
592 }
593 }
594
595 fn register_key_listeners(&self, window: &mut Window, _: &mut App, layout: &EditorLayout) {
596 let position_map = layout.position_map.clone();
597 window.on_key_event({
598 let editor = self.editor.clone();
599 move |event: &ModifiersChangedEvent, phase, window, cx| {
600 if phase != DispatchPhase::Bubble {
601 return;
602 }
603 editor.update(cx, |editor, cx| {
604 let inlay_hint_settings = inlay_hint_settings(
605 editor.selections.newest_anchor().head(),
606 &editor.buffer.read(cx).snapshot(cx),
607 cx,
608 );
609
610 if let Some(inlay_modifiers) = inlay_hint_settings
611 .toggle_on_modifiers_press
612 .as_ref()
613 .filter(|modifiers| modifiers.modified())
614 {
615 editor.refresh_inlay_hints(
616 InlayHintRefreshReason::ModifiersChanged(
617 inlay_modifiers == &event.modifiers,
618 ),
619 cx,
620 );
621 }
622
623 if editor.hover_state.focused(window, cx) {
624 return;
625 }
626
627 editor.handle_modifiers_changed(event.modifiers, &position_map, window, cx);
628 })
629 }
630 });
631 }
632
633 fn mouse_left_down(
634 editor: &mut Editor,
635 event: &MouseDownEvent,
636 hovered_hunk: Option<Range<Anchor>>,
637 position_map: &PositionMap,
638 line_numbers: &HashMap<MultiBufferRow, LineNumberLayout>,
639 window: &mut Window,
640 cx: &mut Context<Editor>,
641 ) {
642 if window.default_prevented() {
643 return;
644 }
645
646 let text_hitbox = &position_map.text_hitbox;
647 let gutter_hitbox = &position_map.gutter_hitbox;
648 let point_for_position = position_map.point_for_position(event.position);
649 let mut click_count = event.click_count;
650 let mut modifiers = event.modifiers;
651
652 if let Some(hovered_hunk) = hovered_hunk {
653 editor.toggle_single_diff_hunk(hovered_hunk, cx);
654 cx.notify();
655 return;
656 } else if gutter_hitbox.is_hovered(window) {
657 click_count = 3; // Simulate triple-click when clicking the gutter to select lines
658 } else if !text_hitbox.is_hovered(window) {
659 return;
660 }
661
662 if EditorSettings::get_global(cx)
663 .drag_and_drop_selection
664 .enabled
665 && click_count == 1
666 {
667 let newest_anchor = editor.selections.newest_anchor();
668 let snapshot = editor.snapshot(window, cx);
669 let selection = newest_anchor.map(|anchor| anchor.to_display_point(&snapshot));
670 if point_for_position.intersects_selection(&selection) {
671 editor.selection_drag_state = SelectionDragState::ReadyToDrag {
672 selection: newest_anchor.clone(),
673 click_position: event.position,
674 mouse_down_time: Instant::now(),
675 };
676 cx.stop_propagation();
677 return;
678 }
679 }
680
681 let is_singleton = editor.buffer().read(cx).is_singleton();
682
683 if click_count == 2 && !is_singleton {
684 match EditorSettings::get_global(cx).double_click_in_multibuffer {
685 DoubleClickInMultibuffer::Select => {
686 // do nothing special on double click, all selection logic is below
687 }
688 DoubleClickInMultibuffer::Open => {
689 if modifiers.alt {
690 // if double click is made with alt, pretend it's a regular double click without opening and alt,
691 // and run the selection logic.
692 modifiers.alt = false;
693 } else {
694 let scroll_position_row =
695 position_map.scroll_pixel_position.y / position_map.line_height;
696 let display_row = (((event.position - gutter_hitbox.bounds.origin).y
697 + position_map.scroll_pixel_position.y)
698 / position_map.line_height)
699 as u32;
700 let multi_buffer_row = position_map
701 .snapshot
702 .display_point_to_point(
703 DisplayPoint::new(DisplayRow(display_row), 0),
704 Bias::Right,
705 )
706 .row;
707 let line_offset_from_top = display_row - scroll_position_row as u32;
708 // if double click is made without alt, open the corresponding excerp
709 editor.open_excerpts_common(
710 Some(JumpData::MultiBufferRow {
711 row: MultiBufferRow(multi_buffer_row),
712 line_offset_from_top,
713 }),
714 false,
715 window,
716 cx,
717 );
718 return;
719 }
720 }
721 }
722 }
723
724 let position = point_for_position.previous_valid;
725 if let Some(mode) = Editor::columnar_selection_mode(&modifiers, cx) {
726 editor.select(
727 SelectPhase::BeginColumnar {
728 position,
729 reset: match mode {
730 ColumnarMode::FromMouse => true,
731 ColumnarMode::FromSelection => false,
732 },
733 mode,
734 goal_column: point_for_position.exact_unclipped.column(),
735 },
736 window,
737 cx,
738 );
739 } else if modifiers.shift && !modifiers.control && !modifiers.alt && !modifiers.secondary()
740 {
741 editor.select(
742 SelectPhase::Extend {
743 position,
744 click_count,
745 },
746 window,
747 cx,
748 );
749 } else {
750 editor.select(
751 SelectPhase::Begin {
752 position,
753 add: Editor::multi_cursor_modifier(true, &modifiers, cx),
754 click_count,
755 },
756 window,
757 cx,
758 );
759 }
760 cx.stop_propagation();
761
762 if !is_singleton {
763 let display_row = (((event.position - gutter_hitbox.bounds.origin).y
764 + position_map.scroll_pixel_position.y)
765 / position_map.line_height) as u32;
766 let multi_buffer_row = position_map
767 .snapshot
768 .display_point_to_point(DisplayPoint::new(DisplayRow(display_row), 0), Bias::Right)
769 .row;
770 if line_numbers
771 .get(&MultiBufferRow(multi_buffer_row))
772 .and_then(|line_number| line_number.hitbox.as_ref())
773 .is_some_and(|hitbox| hitbox.contains(&event.position))
774 {
775 let scroll_position_row =
776 position_map.scroll_pixel_position.y / position_map.line_height;
777 let line_offset_from_top = display_row - scroll_position_row as u32;
778
779 editor.open_excerpts_common(
780 Some(JumpData::MultiBufferRow {
781 row: MultiBufferRow(multi_buffer_row),
782 line_offset_from_top,
783 }),
784 modifiers.alt,
785 window,
786 cx,
787 );
788 cx.stop_propagation();
789 }
790 }
791 }
792
793 fn mouse_right_down(
794 editor: &mut Editor,
795 event: &MouseDownEvent,
796 position_map: &PositionMap,
797 window: &mut Window,
798 cx: &mut Context<Editor>,
799 ) {
800 if position_map.gutter_hitbox.is_hovered(window) {
801 let gutter_right_padding = editor.gutter_dimensions.right_padding;
802 let hitbox = &position_map.gutter_hitbox;
803
804 if event.position.x <= hitbox.bounds.right() - gutter_right_padding {
805 let point_for_position = position_map.point_for_position(event.position);
806 editor.set_breakpoint_context_menu(
807 point_for_position.previous_valid.row(),
808 None,
809 event.position,
810 window,
811 cx,
812 );
813 }
814 return;
815 }
816
817 if !position_map.text_hitbox.is_hovered(window) {
818 return;
819 }
820
821 let point_for_position = position_map.point_for_position(event.position);
822 mouse_context_menu::deploy_context_menu(
823 editor,
824 Some(event.position),
825 point_for_position.previous_valid,
826 window,
827 cx,
828 );
829 cx.stop_propagation();
830 }
831
832 fn mouse_middle_down(
833 editor: &mut Editor,
834 event: &MouseDownEvent,
835 position_map: &PositionMap,
836 window: &mut Window,
837 cx: &mut Context<Editor>,
838 ) {
839 if !position_map.text_hitbox.is_hovered(window) || window.default_prevented() {
840 return;
841 }
842
843 let point_for_position = position_map.point_for_position(event.position);
844 let position = point_for_position.previous_valid;
845
846 editor.select(
847 SelectPhase::BeginColumnar {
848 position,
849 reset: true,
850 mode: ColumnarMode::FromMouse,
851 goal_column: point_for_position.exact_unclipped.column(),
852 },
853 window,
854 cx,
855 );
856 }
857
858 fn mouse_up(
859 editor: &mut Editor,
860 event: &MouseUpEvent,
861 position_map: &PositionMap,
862 window: &mut Window,
863 cx: &mut Context<Editor>,
864 ) {
865 let text_hitbox = &position_map.text_hitbox;
866 let end_selection = editor.has_pending_selection();
867 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
868 let point_for_position = position_map.point_for_position(event.position);
869
870 match editor.selection_drag_state {
871 SelectionDragState::ReadyToDrag {
872 selection: _,
873 ref click_position,
874 mouse_down_time: _,
875 } => {
876 if event.position == *click_position {
877 editor.select(
878 SelectPhase::Begin {
879 position: point_for_position.previous_valid,
880 add: false,
881 click_count: 1, // ready to drag state only occurs on click count 1
882 },
883 window,
884 cx,
885 );
886 editor.selection_drag_state = SelectionDragState::None;
887 cx.stop_propagation();
888 return;
889 } else {
890 debug_panic!("drag state can never be in ready state after drag")
891 }
892 }
893 SelectionDragState::Dragging { ref selection, .. } => {
894 let snapshot = editor.snapshot(window, cx);
895 let selection_display = selection.map(|anchor| anchor.to_display_point(&snapshot));
896 if !point_for_position.intersects_selection(&selection_display)
897 && text_hitbox.is_hovered(window)
898 {
899 let is_cut = !(cfg!(target_os = "macos") && event.modifiers.alt
900 || cfg!(not(target_os = "macos")) && event.modifiers.control);
901 editor.move_selection_on_drop(
902 &selection.clone(),
903 point_for_position.previous_valid,
904 is_cut,
905 window,
906 cx,
907 );
908 }
909 editor.selection_drag_state = SelectionDragState::None;
910 cx.stop_propagation();
911 cx.notify();
912 return;
913 }
914 _ => {}
915 }
916
917 if end_selection {
918 editor.select(SelectPhase::End, window, cx);
919 }
920
921 if end_selection && pending_nonempty_selections {
922 cx.stop_propagation();
923 } else if cfg!(any(target_os = "linux", target_os = "freebsd"))
924 && event.button == MouseButton::Middle
925 {
926 #[allow(
927 clippy::collapsible_if,
928 clippy::needless_return,
929 reason = "The cfg-block below makes this a false positive"
930 )]
931 if !text_hitbox.is_hovered(window) || editor.read_only(cx) {
932 return;
933 }
934
935 #[cfg(any(target_os = "linux", target_os = "freebsd"))]
936 if EditorSettings::get_global(cx).middle_click_paste {
937 if let Some(text) = cx.read_from_primary().and_then(|item| item.text()) {
938 let point_for_position = position_map.point_for_position(event.position);
939 let position = point_for_position.previous_valid;
940
941 editor.select(
942 SelectPhase::Begin {
943 position,
944 add: false,
945 click_count: 1,
946 },
947 window,
948 cx,
949 );
950 editor.insert(&text, window, cx);
951 }
952 cx.stop_propagation()
953 }
954 }
955 }
956
957 fn click(
958 editor: &mut Editor,
959 event: &ClickEvent,
960 position_map: &PositionMap,
961 window: &mut Window,
962 cx: &mut Context<Editor>,
963 ) {
964 let text_hitbox = &position_map.text_hitbox;
965 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
966
967 let hovered_link_modifier = Editor::multi_cursor_modifier(false, &event.modifiers(), cx);
968
969 if let Some(mouse_position) = event.mouse_position()
970 && !pending_nonempty_selections
971 && hovered_link_modifier
972 && text_hitbox.is_hovered(window)
973 {
974 let point = position_map.point_for_position(mouse_position);
975 editor.handle_click_hovered_link(point, event.modifiers(), window, cx);
976 editor.selection_drag_state = SelectionDragState::None;
977
978 cx.stop_propagation();
979 }
980 }
981
982 fn mouse_dragged(
983 editor: &mut Editor,
984 event: &MouseMoveEvent,
985 position_map: &PositionMap,
986 window: &mut Window,
987 cx: &mut Context<Editor>,
988 ) {
989 if !editor.has_pending_selection()
990 && matches!(editor.selection_drag_state, SelectionDragState::None)
991 {
992 return;
993 }
994
995 let point_for_position = position_map.point_for_position(event.position);
996 let text_hitbox = &position_map.text_hitbox;
997
998 let scroll_delta = {
999 let text_bounds = text_hitbox.bounds;
1000 let mut scroll_delta = gpui::Point::<f32>::default();
1001 let vertical_margin = position_map.line_height.min(text_bounds.size.height / 3.0);
1002 let top = text_bounds.origin.y + vertical_margin;
1003 let bottom = text_bounds.bottom_left().y - vertical_margin;
1004 if event.position.y < top {
1005 scroll_delta.y = -scale_vertical_mouse_autoscroll_delta(top - event.position.y);
1006 }
1007 if event.position.y > bottom {
1008 scroll_delta.y = scale_vertical_mouse_autoscroll_delta(event.position.y - bottom);
1009 }
1010
1011 // We need horizontal width of text
1012 let style = editor.style.clone().unwrap_or_default();
1013 let font_id = window.text_system().resolve_font(&style.text.font());
1014 let font_size = style.text.font_size.to_pixels(window.rem_size());
1015 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
1016
1017 let scroll_margin_x = EditorSettings::get_global(cx).horizontal_scroll_margin;
1018
1019 let scroll_space: Pixels = scroll_margin_x * em_width;
1020
1021 let left = text_bounds.origin.x + scroll_space;
1022 let right = text_bounds.top_right().x - scroll_space;
1023
1024 if event.position.x < left {
1025 scroll_delta.x = -scale_horizontal_mouse_autoscroll_delta(left - event.position.x);
1026 }
1027 if event.position.x > right {
1028 scroll_delta.x = scale_horizontal_mouse_autoscroll_delta(event.position.x - right);
1029 }
1030 scroll_delta
1031 };
1032
1033 if !editor.has_pending_selection() {
1034 let drop_anchor = position_map
1035 .snapshot
1036 .display_point_to_anchor(point_for_position.previous_valid, Bias::Left);
1037 match editor.selection_drag_state {
1038 SelectionDragState::Dragging {
1039 ref mut drop_cursor,
1040 ref mut hide_drop_cursor,
1041 ..
1042 } => {
1043 drop_cursor.start = drop_anchor;
1044 drop_cursor.end = drop_anchor;
1045 *hide_drop_cursor = !text_hitbox.is_hovered(window);
1046 editor.apply_scroll_delta(scroll_delta, window, cx);
1047 cx.notify();
1048 }
1049 SelectionDragState::ReadyToDrag {
1050 ref selection,
1051 ref click_position,
1052 ref mouse_down_time,
1053 } => {
1054 let drag_and_drop_delay = Duration::from_millis(
1055 EditorSettings::get_global(cx).drag_and_drop_selection.delay,
1056 );
1057 if mouse_down_time.elapsed() >= drag_and_drop_delay {
1058 let drop_cursor = Selection {
1059 id: post_inc(&mut editor.selections.next_selection_id),
1060 start: drop_anchor,
1061 end: drop_anchor,
1062 reversed: false,
1063 goal: SelectionGoal::None,
1064 };
1065 editor.selection_drag_state = SelectionDragState::Dragging {
1066 selection: selection.clone(),
1067 drop_cursor,
1068 hide_drop_cursor: false,
1069 };
1070 editor.apply_scroll_delta(scroll_delta, window, cx);
1071 cx.notify();
1072 } else {
1073 let click_point = position_map.point_for_position(*click_position);
1074 editor.selection_drag_state = SelectionDragState::None;
1075 editor.select(
1076 SelectPhase::Begin {
1077 position: click_point.previous_valid,
1078 add: false,
1079 click_count: 1,
1080 },
1081 window,
1082 cx,
1083 );
1084 editor.select(
1085 SelectPhase::Update {
1086 position: point_for_position.previous_valid,
1087 goal_column: point_for_position.exact_unclipped.column(),
1088 scroll_delta,
1089 },
1090 window,
1091 cx,
1092 );
1093 }
1094 }
1095 _ => {}
1096 }
1097 } else {
1098 editor.select(
1099 SelectPhase::Update {
1100 position: point_for_position.previous_valid,
1101 goal_column: point_for_position.exact_unclipped.column(),
1102 scroll_delta,
1103 },
1104 window,
1105 cx,
1106 );
1107 }
1108 }
1109
1110 fn mouse_moved(
1111 editor: &mut Editor,
1112 event: &MouseMoveEvent,
1113 position_map: &PositionMap,
1114 window: &mut Window,
1115 cx: &mut Context<Editor>,
1116 ) {
1117 let text_hitbox = &position_map.text_hitbox;
1118 let gutter_hitbox = &position_map.gutter_hitbox;
1119 let modifiers = event.modifiers;
1120 let text_hovered = text_hitbox.is_hovered(window);
1121 let gutter_hovered = gutter_hitbox.is_hovered(window);
1122 editor.set_gutter_hovered(gutter_hovered, cx);
1123 editor.show_mouse_cursor(cx);
1124
1125 let point_for_position = position_map.point_for_position(event.position);
1126 let valid_point = point_for_position.previous_valid;
1127
1128 let hovered_diff_control = position_map
1129 .diff_hunk_control_bounds
1130 .iter()
1131 .find(|(_, bounds)| bounds.contains(&event.position))
1132 .map(|(row, _)| *row);
1133
1134 let hovered_diff_hunk_row = if let Some(control_row) = hovered_diff_control {
1135 Some(control_row)
1136 } else if text_hovered {
1137 let current_row = valid_point.row();
1138 position_map.display_hunks.iter().find_map(|(hunk, _)| {
1139 if let DisplayDiffHunk::Unfolded {
1140 display_row_range, ..
1141 } = hunk
1142 {
1143 if display_row_range.contains(¤t_row) {
1144 Some(display_row_range.start)
1145 } else {
1146 None
1147 }
1148 } else {
1149 None
1150 }
1151 })
1152 } else {
1153 None
1154 };
1155
1156 if hovered_diff_hunk_row != editor.hovered_diff_hunk_row {
1157 editor.hovered_diff_hunk_row = hovered_diff_hunk_row;
1158 cx.notify();
1159 }
1160
1161 if let Some((bounds, buffer_id, blame_entry)) = &position_map.inline_blame_bounds {
1162 let mouse_over_inline_blame = bounds.contains(&event.position);
1163 let mouse_over_popover = editor
1164 .inline_blame_popover
1165 .as_ref()
1166 .and_then(|state| state.popover_bounds)
1167 .is_some_and(|bounds| bounds.contains(&event.position));
1168 let keyboard_grace = editor
1169 .inline_blame_popover
1170 .as_ref()
1171 .is_some_and(|state| state.keyboard_grace);
1172
1173 if mouse_over_inline_blame || mouse_over_popover {
1174 editor.show_blame_popover(*buffer_id, blame_entry, event.position, false, cx);
1175 } else if !keyboard_grace {
1176 editor.hide_blame_popover(cx);
1177 }
1178 } else {
1179 editor.hide_blame_popover(cx);
1180 }
1181
1182 let breakpoint_indicator = if gutter_hovered {
1183 let buffer_anchor = position_map
1184 .snapshot
1185 .display_point_to_anchor(valid_point, Bias::Left);
1186
1187 if let Some((buffer_snapshot, file)) = position_map
1188 .snapshot
1189 .buffer_snapshot
1190 .buffer_for_excerpt(buffer_anchor.excerpt_id)
1191 .and_then(|buffer| buffer.file().map(|file| (buffer, file)))
1192 {
1193 let as_point = text::ToPoint::to_point(&buffer_anchor.text_anchor, buffer_snapshot);
1194
1195 let is_visible = editor
1196 .gutter_breakpoint_indicator
1197 .0
1198 .is_some_and(|indicator| indicator.is_active);
1199
1200 let has_existing_breakpoint =
1201 editor.breakpoint_store.as_ref().is_some_and(|store| {
1202 let Some(project) = &editor.project else {
1203 return false;
1204 };
1205 let Some(abs_path) = project.read(cx).absolute_path(
1206 &ProjectPath {
1207 path: file.path().clone(),
1208 worktree_id: file.worktree_id(cx),
1209 },
1210 cx,
1211 ) else {
1212 return false;
1213 };
1214 store
1215 .read(cx)
1216 .breakpoint_at_row(&abs_path, as_point.row, cx)
1217 .is_some()
1218 });
1219
1220 if !is_visible {
1221 editor.gutter_breakpoint_indicator.1.get_or_insert_with(|| {
1222 cx.spawn(async move |this, cx| {
1223 cx.background_executor()
1224 .timer(Duration::from_millis(200))
1225 .await;
1226
1227 this.update(cx, |this, cx| {
1228 if let Some(indicator) = this.gutter_breakpoint_indicator.0.as_mut()
1229 {
1230 indicator.is_active = true;
1231 cx.notify();
1232 }
1233 })
1234 .ok();
1235 })
1236 });
1237 }
1238
1239 Some(PhantomBreakpointIndicator {
1240 display_row: valid_point.row(),
1241 is_active: is_visible,
1242 collides_with_existing_breakpoint: has_existing_breakpoint,
1243 })
1244 } else {
1245 editor.gutter_breakpoint_indicator.1 = None;
1246 None
1247 }
1248 } else {
1249 editor.gutter_breakpoint_indicator.1 = None;
1250 None
1251 };
1252
1253 if &breakpoint_indicator != &editor.gutter_breakpoint_indicator.0 {
1254 editor.gutter_breakpoint_indicator.0 = breakpoint_indicator;
1255 cx.notify();
1256 }
1257
1258 // Don't trigger hover popover if mouse is hovering over context menu
1259 if text_hovered {
1260 editor.update_hovered_link(
1261 point_for_position,
1262 &position_map.snapshot,
1263 modifiers,
1264 window,
1265 cx,
1266 );
1267
1268 if let Some(point) = point_for_position.as_valid() {
1269 let anchor = position_map
1270 .snapshot
1271 .buffer_snapshot
1272 .anchor_before(point.to_offset(&position_map.snapshot, Bias::Left));
1273 hover_at(editor, Some(anchor), window, cx);
1274 Self::update_visible_cursor(editor, point, position_map, window, cx);
1275 } else {
1276 hover_at(editor, None, window, cx);
1277 }
1278 } else {
1279 editor.hide_hovered_link(cx);
1280 hover_at(editor, None, window, cx);
1281 }
1282 }
1283
1284 fn update_visible_cursor(
1285 editor: &mut Editor,
1286 point: DisplayPoint,
1287 position_map: &PositionMap,
1288 window: &mut Window,
1289 cx: &mut Context<Editor>,
1290 ) {
1291 let snapshot = &position_map.snapshot;
1292 let Some(hub) = editor.collaboration_hub() else {
1293 return;
1294 };
1295 let start = snapshot.display_snapshot.clip_point(
1296 DisplayPoint::new(point.row(), point.column().saturating_sub(1)),
1297 Bias::Left,
1298 );
1299 let end = snapshot.display_snapshot.clip_point(
1300 DisplayPoint::new(
1301 point.row(),
1302 (point.column() + 1).min(snapshot.line_len(point.row())),
1303 ),
1304 Bias::Right,
1305 );
1306
1307 let range = snapshot
1308 .buffer_snapshot
1309 .anchor_at(start.to_point(&snapshot.display_snapshot), Bias::Left)
1310 ..snapshot
1311 .buffer_snapshot
1312 .anchor_at(end.to_point(&snapshot.display_snapshot), Bias::Right);
1313
1314 let Some(selection) = snapshot.remote_selections_in_range(&range, hub, cx).next() else {
1315 return;
1316 };
1317 let key = crate::HoveredCursor {
1318 replica_id: selection.replica_id,
1319 selection_id: selection.selection.id,
1320 };
1321 editor.hovered_cursors.insert(
1322 key.clone(),
1323 cx.spawn_in(window, async move |editor, cx| {
1324 cx.background_executor().timer(CURSORS_VISIBLE_FOR).await;
1325 editor
1326 .update(cx, |editor, cx| {
1327 editor.hovered_cursors.remove(&key);
1328 cx.notify();
1329 })
1330 .ok();
1331 }),
1332 );
1333 cx.notify()
1334 }
1335
1336 fn layout_selections(
1337 &self,
1338 start_anchor: Anchor,
1339 end_anchor: Anchor,
1340 local_selections: &[Selection<Point>],
1341 snapshot: &EditorSnapshot,
1342 start_row: DisplayRow,
1343 end_row: DisplayRow,
1344 window: &mut Window,
1345 cx: &mut App,
1346 ) -> (
1347 Vec<(PlayerColor, Vec<SelectionLayout>)>,
1348 BTreeMap<DisplayRow, LineHighlightSpec>,
1349 Option<DisplayPoint>,
1350 ) {
1351 let mut selections: Vec<(PlayerColor, Vec<SelectionLayout>)> = Vec::new();
1352 let mut active_rows = BTreeMap::new();
1353 let mut newest_selection_head = None;
1354
1355 let Some(editor_with_selections) = self.editor_with_selections(cx) else {
1356 return (selections, active_rows, newest_selection_head);
1357 };
1358
1359 editor_with_selections.update(cx, |editor, cx| {
1360 if editor.show_local_selections {
1361 let mut layouts = Vec::new();
1362 let newest = editor.selections.newest(cx);
1363 for selection in local_selections.iter().cloned() {
1364 let is_empty = selection.start == selection.end;
1365 let is_newest = selection == newest;
1366
1367 let layout = SelectionLayout::new(
1368 selection,
1369 editor.selections.line_mode,
1370 editor.cursor_shape,
1371 &snapshot.display_snapshot,
1372 is_newest,
1373 editor.leader_id.is_none(),
1374 None,
1375 );
1376 if is_newest {
1377 newest_selection_head = Some(layout.head);
1378 }
1379
1380 for row in cmp::max(layout.active_rows.start.0, start_row.0)
1381 ..=cmp::min(layout.active_rows.end.0, end_row.0)
1382 {
1383 let contains_non_empty_selection = active_rows
1384 .entry(DisplayRow(row))
1385 .or_insert_with(LineHighlightSpec::default);
1386 contains_non_empty_selection.selection |= !is_empty;
1387 }
1388 layouts.push(layout);
1389 }
1390
1391 let player = editor.current_user_player_color(cx);
1392 selections.push((player, layouts));
1393
1394 if let SelectionDragState::Dragging {
1395 ref selection,
1396 ref drop_cursor,
1397 ref hide_drop_cursor,
1398 } = editor.selection_drag_state
1399 && !hide_drop_cursor
1400 && (drop_cursor
1401 .start
1402 .cmp(&selection.start, &snapshot.buffer_snapshot)
1403 .eq(&Ordering::Less)
1404 || drop_cursor
1405 .end
1406 .cmp(&selection.end, &snapshot.buffer_snapshot)
1407 .eq(&Ordering::Greater))
1408 {
1409 let drag_cursor_layout = SelectionLayout::new(
1410 drop_cursor.clone(),
1411 false,
1412 CursorShape::Bar,
1413 &snapshot.display_snapshot,
1414 false,
1415 false,
1416 None,
1417 );
1418 let absent_color = cx.theme().players().absent();
1419 selections.push((absent_color, vec![drag_cursor_layout]));
1420 }
1421 }
1422
1423 if let Some(collaboration_hub) = &editor.collaboration_hub {
1424 // When following someone, render the local selections in their color.
1425 if let Some(leader_id) = editor.leader_id {
1426 match leader_id {
1427 CollaboratorId::PeerId(peer_id) => {
1428 if let Some(collaborator) =
1429 collaboration_hub.collaborators(cx).get(&peer_id)
1430 && let Some(participant_index) = collaboration_hub
1431 .user_participant_indices(cx)
1432 .get(&collaborator.user_id)
1433 && let Some((local_selection_style, _)) = selections.first_mut()
1434 {
1435 *local_selection_style = cx
1436 .theme()
1437 .players()
1438 .color_for_participant(participant_index.0);
1439 }
1440 }
1441 CollaboratorId::Agent => {
1442 if let Some((local_selection_style, _)) = selections.first_mut() {
1443 *local_selection_style = cx.theme().players().agent();
1444 }
1445 }
1446 }
1447 }
1448
1449 let mut remote_selections = HashMap::default();
1450 for selection in snapshot.remote_selections_in_range(
1451 &(start_anchor..end_anchor),
1452 collaboration_hub.as_ref(),
1453 cx,
1454 ) {
1455 // Don't re-render the leader's selections, since the local selections
1456 // match theirs.
1457 if Some(selection.collaborator_id) == editor.leader_id {
1458 continue;
1459 }
1460 let key = HoveredCursor {
1461 replica_id: selection.replica_id,
1462 selection_id: selection.selection.id,
1463 };
1464
1465 let is_shown =
1466 editor.show_cursor_names || editor.hovered_cursors.contains_key(&key);
1467
1468 remote_selections
1469 .entry(selection.replica_id)
1470 .or_insert((selection.color, Vec::new()))
1471 .1
1472 .push(SelectionLayout::new(
1473 selection.selection,
1474 selection.line_mode,
1475 selection.cursor_shape,
1476 &snapshot.display_snapshot,
1477 false,
1478 false,
1479 if is_shown { selection.user_name } else { None },
1480 ));
1481 }
1482
1483 selections.extend(remote_selections.into_values());
1484 } else if !editor.is_focused(window) && editor.show_cursor_when_unfocused {
1485 let layouts = snapshot
1486 .buffer_snapshot
1487 .selections_in_range(&(start_anchor..end_anchor), true)
1488 .map(move |(_, line_mode, cursor_shape, selection)| {
1489 SelectionLayout::new(
1490 selection,
1491 line_mode,
1492 cursor_shape,
1493 &snapshot.display_snapshot,
1494 false,
1495 false,
1496 None,
1497 )
1498 })
1499 .collect::<Vec<_>>();
1500 let player = editor.current_user_player_color(cx);
1501 selections.push((player, layouts));
1502 }
1503 });
1504 (selections, active_rows, newest_selection_head)
1505 }
1506
1507 fn collect_cursors(
1508 &self,
1509 snapshot: &EditorSnapshot,
1510 cx: &mut App,
1511 ) -> Vec<(DisplayPoint, Hsla)> {
1512 let editor = self.editor.read(cx);
1513 let mut cursors = Vec::new();
1514 let mut skip_local = false;
1515 let mut add_cursor = |anchor: Anchor, color| {
1516 cursors.push((anchor.to_display_point(&snapshot.display_snapshot), color));
1517 };
1518 // Remote cursors
1519 if let Some(collaboration_hub) = &editor.collaboration_hub {
1520 for remote_selection in snapshot.remote_selections_in_range(
1521 &(Anchor::min()..Anchor::max()),
1522 collaboration_hub.deref(),
1523 cx,
1524 ) {
1525 add_cursor(
1526 remote_selection.selection.head(),
1527 remote_selection.color.cursor,
1528 );
1529 if Some(remote_selection.collaborator_id) == editor.leader_id {
1530 skip_local = true;
1531 }
1532 }
1533 }
1534 // Local cursors
1535 if !skip_local {
1536 let color = cx.theme().players().local().cursor;
1537 editor.selections.disjoint.iter().for_each(|selection| {
1538 add_cursor(selection.head(), color);
1539 });
1540 if let Some(ref selection) = editor.selections.pending_anchor() {
1541 add_cursor(selection.head(), color);
1542 }
1543 }
1544 cursors
1545 }
1546
1547 fn layout_visible_cursors(
1548 &self,
1549 snapshot: &EditorSnapshot,
1550 selections: &[(PlayerColor, Vec<SelectionLayout>)],
1551 row_block_types: &HashMap<DisplayRow, bool>,
1552 visible_display_row_range: Range<DisplayRow>,
1553 line_layouts: &[LineWithInvisibles],
1554 text_hitbox: &Hitbox,
1555 content_origin: gpui::Point<Pixels>,
1556 scroll_position: gpui::Point<f32>,
1557 scroll_pixel_position: gpui::Point<Pixels>,
1558 line_height: Pixels,
1559 em_width: Pixels,
1560 em_advance: Pixels,
1561 autoscroll_containing_element: bool,
1562 window: &mut Window,
1563 cx: &mut App,
1564 ) -> Vec<CursorLayout> {
1565 let mut autoscroll_bounds = None;
1566 let cursor_layouts = self.editor.update(cx, |editor, cx| {
1567 let mut cursors = Vec::new();
1568
1569 let show_local_cursors = editor.show_local_cursors(window, cx);
1570
1571 for (player_color, selections) in selections {
1572 for selection in selections {
1573 let cursor_position = selection.head;
1574
1575 let in_range = visible_display_row_range.contains(&cursor_position.row());
1576 if (selection.is_local && !show_local_cursors)
1577 || !in_range
1578 || row_block_types.get(&cursor_position.row()) == Some(&true)
1579 {
1580 continue;
1581 }
1582
1583 let cursor_row_layout = &line_layouts
1584 [cursor_position.row().minus(visible_display_row_range.start) as usize];
1585 let cursor_column = cursor_position.column() as usize;
1586
1587 let cursor_character_x = cursor_row_layout.x_for_index(cursor_column);
1588 let mut block_width =
1589 cursor_row_layout.x_for_index(cursor_column + 1) - cursor_character_x;
1590 if block_width == Pixels::ZERO {
1591 block_width = em_advance;
1592 }
1593 let block_text = if let CursorShape::Block = selection.cursor_shape {
1594 snapshot
1595 .grapheme_at(cursor_position)
1596 .or_else(|| {
1597 if snapshot.is_empty() {
1598 snapshot.placeholder_text().and_then(|s| {
1599 s.graphemes(true).next().map(|s| s.to_string().into())
1600 })
1601 } else {
1602 None
1603 }
1604 })
1605 .map(|text| {
1606 let len = text.len();
1607
1608 let font = cursor_row_layout
1609 .font_id_for_index(cursor_column)
1610 .and_then(|cursor_font_id| {
1611 window.text_system().get_font_for_id(cursor_font_id)
1612 })
1613 .unwrap_or(self.style.text.font());
1614
1615 // Invert the text color for the block cursor. Ensure that the text
1616 // color is opaque enough to be visible against the background color.
1617 //
1618 // 0.75 is an arbitrary threshold to determine if the background color is
1619 // opaque enough to use as a text color.
1620 //
1621 // TODO: In the future we should ensure themes have a `text_inverse` color.
1622 let color = if cx.theme().colors().editor_background.a < 0.75 {
1623 match cx.theme().appearance {
1624 Appearance::Dark => Hsla::black(),
1625 Appearance::Light => Hsla::white(),
1626 }
1627 } else {
1628 cx.theme().colors().editor_background
1629 };
1630
1631 window.text_system().shape_line(
1632 text,
1633 cursor_row_layout.font_size,
1634 &[TextRun {
1635 len,
1636 font,
1637 color,
1638 background_color: None,
1639 strikethrough: None,
1640 underline: None,
1641 }],
1642 None,
1643 )
1644 })
1645 } else {
1646 None
1647 };
1648
1649 let x = cursor_character_x - scroll_pixel_position.x;
1650 let y = (cursor_position.row().as_f32()
1651 - scroll_pixel_position.y / line_height)
1652 * line_height;
1653 if selection.is_newest {
1654 editor.pixel_position_of_newest_cursor = Some(point(
1655 text_hitbox.origin.x + x + block_width / 2.,
1656 text_hitbox.origin.y + y + line_height / 2.,
1657 ));
1658
1659 if autoscroll_containing_element {
1660 let top = text_hitbox.origin.y
1661 + (cursor_position.row().as_f32() - scroll_position.y - 3.).max(0.)
1662 * line_height;
1663 let left = text_hitbox.origin.x
1664 + (cursor_position.column() as f32 - scroll_position.x - 3.)
1665 .max(0.)
1666 * em_width;
1667
1668 let bottom = text_hitbox.origin.y
1669 + (cursor_position.row().as_f32() - scroll_position.y + 4.)
1670 * line_height;
1671 let right = text_hitbox.origin.x
1672 + (cursor_position.column() as f32 - scroll_position.x + 4.)
1673 * em_width;
1674
1675 autoscroll_bounds =
1676 Some(Bounds::from_corners(point(left, top), point(right, bottom)))
1677 }
1678 }
1679
1680 let mut cursor = CursorLayout {
1681 color: player_color.cursor,
1682 block_width,
1683 origin: point(x, y),
1684 line_height,
1685 shape: selection.cursor_shape,
1686 block_text,
1687 cursor_name: None,
1688 };
1689 let cursor_name = selection.user_name.clone().map(|name| CursorName {
1690 string: name,
1691 color: self.style.background,
1692 is_top_row: cursor_position.row().0 == 0,
1693 });
1694 cursor.layout(content_origin, cursor_name, window, cx);
1695 cursors.push(cursor);
1696 }
1697 }
1698
1699 cursors
1700 });
1701
1702 if let Some(bounds) = autoscroll_bounds {
1703 window.request_autoscroll(bounds);
1704 }
1705
1706 cursor_layouts
1707 }
1708
1709 fn layout_scrollbars(
1710 &self,
1711 snapshot: &EditorSnapshot,
1712 scrollbar_layout_information: &ScrollbarLayoutInformation,
1713 content_offset: gpui::Point<Pixels>,
1714 scroll_position: gpui::Point<f32>,
1715 non_visible_cursors: bool,
1716 right_margin: Pixels,
1717 editor_width: Pixels,
1718 window: &mut Window,
1719 cx: &mut App,
1720 ) -> Option<EditorScrollbars> {
1721 let show_scrollbars = self.editor.read(cx).show_scrollbars;
1722 if (!show_scrollbars.horizontal && !show_scrollbars.vertical)
1723 || self.style.scrollbar_width.is_zero()
1724 {
1725 return None;
1726 }
1727
1728 // If a drag took place after we started dragging the scrollbar,
1729 // cancel the scrollbar drag.
1730 if cx.has_active_drag() {
1731 self.editor.update(cx, |editor, cx| {
1732 editor.scroll_manager.reset_scrollbar_state(cx)
1733 });
1734 }
1735
1736 let editor_settings = EditorSettings::get_global(cx);
1737 let scrollbar_settings = editor_settings.scrollbar;
1738 let show_scrollbars = match scrollbar_settings.show {
1739 ShowScrollbar::Auto => {
1740 let editor = self.editor.read(cx);
1741 let is_singleton = editor.is_singleton(cx);
1742 // Git
1743 (is_singleton && scrollbar_settings.git_diff && snapshot.buffer_snapshot.has_diff_hunks())
1744 ||
1745 // Buffer Search Results
1746 (is_singleton && scrollbar_settings.search_results && editor.has_background_highlights::<BufferSearchHighlights>())
1747 ||
1748 // Selected Text Occurrences
1749 (is_singleton && scrollbar_settings.selected_text && editor.has_background_highlights::<SelectedTextHighlight>())
1750 ||
1751 // Selected Symbol Occurrences
1752 (is_singleton && scrollbar_settings.selected_symbol && (editor.has_background_highlights::<DocumentHighlightRead>() || editor.has_background_highlights::<DocumentHighlightWrite>()))
1753 ||
1754 // Diagnostics
1755 (is_singleton && scrollbar_settings.diagnostics != ScrollbarDiagnostics::None && snapshot.buffer_snapshot.has_diagnostics())
1756 ||
1757 // Cursors out of sight
1758 non_visible_cursors
1759 ||
1760 // Scrollmanager
1761 editor.scroll_manager.scrollbars_visible()
1762 }
1763 ShowScrollbar::System => self.editor.read(cx).scroll_manager.scrollbars_visible(),
1764 ShowScrollbar::Always => true,
1765 ShowScrollbar::Never => return None,
1766 };
1767
1768 // The horizontal scrollbar is usually slightly offset to align nicely with
1769 // indent guides. However, this offset is not needed if indent guides are
1770 // disabled for the current editor.
1771 let content_offset = self
1772 .editor
1773 .read(cx)
1774 .show_indent_guides
1775 .is_none_or(|should_show| should_show)
1776 .then_some(content_offset)
1777 .unwrap_or_default();
1778
1779 Some(EditorScrollbars::from_scrollbar_axes(
1780 ScrollbarAxes {
1781 horizontal: scrollbar_settings.axes.horizontal
1782 && self.editor.read(cx).show_scrollbars.horizontal,
1783 vertical: scrollbar_settings.axes.vertical
1784 && self.editor.read(cx).show_scrollbars.vertical,
1785 },
1786 scrollbar_layout_information,
1787 content_offset,
1788 scroll_position,
1789 self.style.scrollbar_width,
1790 right_margin,
1791 editor_width,
1792 show_scrollbars,
1793 self.editor.read(cx).scroll_manager.active_scrollbar_state(),
1794 window,
1795 ))
1796 }
1797
1798 fn layout_minimap(
1799 &self,
1800 snapshot: &EditorSnapshot,
1801 minimap_width: Pixels,
1802 scroll_position: gpui::Point<f32>,
1803 scrollbar_layout_information: &ScrollbarLayoutInformation,
1804 scrollbar_layout: Option<&EditorScrollbars>,
1805 window: &mut Window,
1806 cx: &mut App,
1807 ) -> Option<MinimapLayout> {
1808 let minimap_editor = self.editor.read(cx).minimap().cloned()?;
1809
1810 let minimap_settings = EditorSettings::get_global(cx).minimap;
1811
1812 if minimap_settings.on_active_editor() {
1813 let active_editor = self.editor.read(cx).workspace().and_then(|ws| {
1814 ws.read(cx)
1815 .active_pane()
1816 .read(cx)
1817 .active_item()
1818 .and_then(|i| i.act_as::<Editor>(cx))
1819 });
1820 if active_editor.is_some_and(|e| e != self.editor) {
1821 return None;
1822 }
1823 }
1824
1825 if !snapshot.mode.is_full()
1826 || minimap_width.is_zero()
1827 || matches!(
1828 minimap_settings.show,
1829 ShowMinimap::Auto if scrollbar_layout.is_none_or(|layout| !layout.visible)
1830 )
1831 {
1832 return None;
1833 }
1834
1835 const MINIMAP_AXIS: ScrollbarAxis = ScrollbarAxis::Vertical;
1836
1837 let ScrollbarLayoutInformation {
1838 editor_bounds,
1839 scroll_range,
1840 glyph_grid_cell,
1841 } = scrollbar_layout_information;
1842
1843 let line_height = glyph_grid_cell.height;
1844 let scroll_position = scroll_position.along(MINIMAP_AXIS);
1845
1846 let top_right_anchor = scrollbar_layout
1847 .and_then(|layout| layout.vertical.as_ref())
1848 .map(|vertical_scrollbar| vertical_scrollbar.hitbox.origin)
1849 .unwrap_or_else(|| editor_bounds.top_right());
1850
1851 let thumb_state = self
1852 .editor
1853 .read_with(cx, |editor, _| editor.scroll_manager.minimap_thumb_state());
1854
1855 let show_thumb = match minimap_settings.thumb {
1856 MinimapThumb::Always => true,
1857 MinimapThumb::Hover => thumb_state.is_some(),
1858 };
1859
1860 let minimap_bounds = Bounds::from_corner_and_size(
1861 Corner::TopRight,
1862 top_right_anchor,
1863 size(minimap_width, editor_bounds.size.height),
1864 );
1865 let minimap_line_height = self.get_minimap_line_height(
1866 minimap_editor
1867 .read(cx)
1868 .text_style_refinement
1869 .as_ref()
1870 .and_then(|refinement| refinement.font_size)
1871 .unwrap_or(MINIMAP_FONT_SIZE),
1872 window,
1873 cx,
1874 );
1875 let minimap_height = minimap_bounds.size.height;
1876
1877 let visible_editor_lines = editor_bounds.size.height / line_height;
1878 let total_editor_lines = scroll_range.height / line_height;
1879 let minimap_lines = minimap_height / minimap_line_height;
1880
1881 let minimap_scroll_top = MinimapLayout::calculate_minimap_top_offset(
1882 total_editor_lines,
1883 visible_editor_lines,
1884 minimap_lines,
1885 scroll_position,
1886 );
1887
1888 let layout = ScrollbarLayout::for_minimap(
1889 window.insert_hitbox(minimap_bounds, HitboxBehavior::Normal),
1890 visible_editor_lines,
1891 total_editor_lines,
1892 minimap_line_height,
1893 scroll_position,
1894 minimap_scroll_top,
1895 show_thumb,
1896 )
1897 .with_thumb_state(thumb_state);
1898
1899 minimap_editor.update(cx, |editor, cx| {
1900 editor.set_scroll_position(point(0., minimap_scroll_top), window, cx)
1901 });
1902
1903 // Required for the drop shadow to be visible
1904 const PADDING_OFFSET: Pixels = px(4.);
1905
1906 let mut minimap = div()
1907 .size_full()
1908 .shadow_xs()
1909 .px(PADDING_OFFSET)
1910 .child(minimap_editor)
1911 .into_any_element();
1912
1913 let extended_bounds = minimap_bounds.extend(Edges {
1914 right: PADDING_OFFSET,
1915 left: PADDING_OFFSET,
1916 ..Default::default()
1917 });
1918 minimap.layout_as_root(extended_bounds.size.into(), window, cx);
1919 window.with_absolute_element_offset(extended_bounds.origin, |window| {
1920 minimap.prepaint(window, cx)
1921 });
1922
1923 Some(MinimapLayout {
1924 minimap,
1925 thumb_layout: layout,
1926 thumb_border_style: minimap_settings.thumb_border,
1927 minimap_line_height,
1928 minimap_scroll_top,
1929 max_scroll_top: total_editor_lines,
1930 })
1931 }
1932
1933 fn get_minimap_line_height(
1934 &self,
1935 font_size: AbsoluteLength,
1936 window: &mut Window,
1937 cx: &mut App,
1938 ) -> Pixels {
1939 let rem_size = self.rem_size(cx).unwrap_or(window.rem_size());
1940 let mut text_style = self.style.text.clone();
1941 text_style.font_size = font_size;
1942 text_style.line_height_in_pixels(rem_size)
1943 }
1944
1945 fn get_minimap_width(
1946 &self,
1947 minimap_settings: &Minimap,
1948 scrollbars_shown: bool,
1949 text_width: Pixels,
1950 em_width: Pixels,
1951 font_size: Pixels,
1952 rem_size: Pixels,
1953 cx: &App,
1954 ) -> Option<Pixels> {
1955 if minimap_settings.show == ShowMinimap::Auto && !scrollbars_shown {
1956 return None;
1957 }
1958
1959 let minimap_font_size = self.editor.read_with(cx, |editor, cx| {
1960 editor.minimap().map(|minimap_editor| {
1961 minimap_editor
1962 .read(cx)
1963 .text_style_refinement
1964 .as_ref()
1965 .and_then(|refinement| refinement.font_size)
1966 .unwrap_or(MINIMAP_FONT_SIZE)
1967 })
1968 })?;
1969
1970 let minimap_em_width = em_width * (minimap_font_size.to_pixels(rem_size) / font_size);
1971
1972 let minimap_width = (text_width * MinimapLayout::MINIMAP_WIDTH_PCT)
1973 .min(minimap_em_width * minimap_settings.max_width_columns.get() as f32);
1974
1975 (minimap_width >= minimap_em_width * MinimapLayout::MINIMAP_MIN_WIDTH_COLUMNS)
1976 .then_some(minimap_width)
1977 }
1978
1979 fn prepaint_crease_toggles(
1980 &self,
1981 crease_toggles: &mut [Option<AnyElement>],
1982 line_height: Pixels,
1983 gutter_dimensions: &GutterDimensions,
1984 gutter_settings: crate::editor_settings::Gutter,
1985 scroll_pixel_position: gpui::Point<Pixels>,
1986 gutter_hitbox: &Hitbox,
1987 window: &mut Window,
1988 cx: &mut App,
1989 ) {
1990 for (ix, crease_toggle) in crease_toggles.iter_mut().enumerate() {
1991 if let Some(crease_toggle) = crease_toggle {
1992 debug_assert!(gutter_settings.folds);
1993 let available_space = size(
1994 AvailableSpace::MinContent,
1995 AvailableSpace::Definite(line_height * 0.55),
1996 );
1997 let crease_toggle_size = crease_toggle.layout_as_root(available_space, window, cx);
1998
1999 let position = point(
2000 gutter_dimensions.width - gutter_dimensions.right_padding,
2001 ix as f32 * line_height - (scroll_pixel_position.y % line_height),
2002 );
2003 let centering_offset = point(
2004 (gutter_dimensions.fold_area_width() - crease_toggle_size.width) / 2.,
2005 (line_height - crease_toggle_size.height) / 2.,
2006 );
2007 let origin = gutter_hitbox.origin + position + centering_offset;
2008 crease_toggle.prepaint_as_root(origin, available_space, window, cx);
2009 }
2010 }
2011 }
2012
2013 fn prepaint_expand_toggles(
2014 &self,
2015 expand_toggles: &mut [Option<(AnyElement, gpui::Point<Pixels>)>],
2016 window: &mut Window,
2017 cx: &mut App,
2018 ) {
2019 for (expand_toggle, origin) in expand_toggles.iter_mut().flatten() {
2020 let available_space = size(AvailableSpace::MinContent, AvailableSpace::MinContent);
2021 expand_toggle.layout_as_root(available_space, window, cx);
2022 expand_toggle.prepaint_as_root(*origin, available_space, window, cx);
2023 }
2024 }
2025
2026 fn prepaint_crease_trailers(
2027 &self,
2028 trailers: Vec<Option<AnyElement>>,
2029 lines: &[LineWithInvisibles],
2030 line_height: Pixels,
2031 content_origin: gpui::Point<Pixels>,
2032 scroll_pixel_position: gpui::Point<Pixels>,
2033 em_width: Pixels,
2034 window: &mut Window,
2035 cx: &mut App,
2036 ) -> Vec<Option<CreaseTrailerLayout>> {
2037 trailers
2038 .into_iter()
2039 .enumerate()
2040 .map(|(ix, element)| {
2041 let mut element = element?;
2042 let available_space = size(
2043 AvailableSpace::MinContent,
2044 AvailableSpace::Definite(line_height),
2045 );
2046 let size = element.layout_as_root(available_space, window, cx);
2047
2048 let line = &lines[ix];
2049 let padding = if line.width == Pixels::ZERO {
2050 Pixels::ZERO
2051 } else {
2052 4. * em_width
2053 };
2054 let position = point(
2055 scroll_pixel_position.x + line.width + padding,
2056 ix as f32 * line_height - (scroll_pixel_position.y % line_height),
2057 );
2058 let centering_offset = point(px(0.), (line_height - size.height) / 2.);
2059 let origin = content_origin + position + centering_offset;
2060 element.prepaint_as_root(origin, available_space, window, cx);
2061 Some(CreaseTrailerLayout {
2062 element,
2063 bounds: Bounds::new(origin, size),
2064 })
2065 })
2066 .collect()
2067 }
2068
2069 // Folds contained in a hunk are ignored apart from shrinking visual size
2070 // If a fold contains any hunks then that fold line is marked as modified
2071 fn layout_gutter_diff_hunks(
2072 &self,
2073 line_height: Pixels,
2074 gutter_hitbox: &Hitbox,
2075 display_rows: Range<DisplayRow>,
2076 snapshot: &EditorSnapshot,
2077 window: &mut Window,
2078 cx: &mut App,
2079 ) -> Vec<(DisplayDiffHunk, Option<Hitbox>)> {
2080 let folded_buffers = self.editor.read(cx).folded_buffers(cx);
2081 let mut display_hunks = snapshot
2082 .display_diff_hunks_for_rows(display_rows, folded_buffers)
2083 .map(|hunk| (hunk, None))
2084 .collect::<Vec<_>>();
2085 let git_gutter_setting = ProjectSettings::get_global(cx)
2086 .git
2087 .git_gutter
2088 .unwrap_or_default();
2089 if let GitGutterSetting::TrackedFiles = git_gutter_setting {
2090 for (hunk, hitbox) in &mut display_hunks {
2091 if matches!(hunk, DisplayDiffHunk::Unfolded { .. }) {
2092 let hunk_bounds =
2093 Self::diff_hunk_bounds(snapshot, line_height, gutter_hitbox.bounds, hunk);
2094 *hitbox = Some(window.insert_hitbox(hunk_bounds, HitboxBehavior::BlockMouse));
2095 }
2096 }
2097 }
2098
2099 display_hunks
2100 }
2101
2102 fn layout_inline_diagnostics(
2103 &self,
2104 line_layouts: &[LineWithInvisibles],
2105 crease_trailers: &[Option<CreaseTrailerLayout>],
2106 row_block_types: &HashMap<DisplayRow, bool>,
2107 content_origin: gpui::Point<Pixels>,
2108 scroll_pixel_position: gpui::Point<Pixels>,
2109 edit_prediction_popover_origin: Option<gpui::Point<Pixels>>,
2110 start_row: DisplayRow,
2111 end_row: DisplayRow,
2112 line_height: Pixels,
2113 em_width: Pixels,
2114 style: &EditorStyle,
2115 window: &mut Window,
2116 cx: &mut App,
2117 ) -> HashMap<DisplayRow, AnyElement> {
2118 let max_severity = match self
2119 .editor
2120 .read(cx)
2121 .inline_diagnostics_enabled()
2122 .then(|| {
2123 ProjectSettings::get_global(cx)
2124 .diagnostics
2125 .inline
2126 .max_severity
2127 .unwrap_or_else(|| self.editor.read(cx).diagnostics_max_severity)
2128 .into_lsp()
2129 })
2130 .flatten()
2131 {
2132 Some(max_severity) => max_severity,
2133 None => return HashMap::default(),
2134 };
2135
2136 let active_diagnostics_group =
2137 if let ActiveDiagnostic::Group(group) = &self.editor.read(cx).active_diagnostics {
2138 Some(group.group_id)
2139 } else {
2140 None
2141 };
2142
2143 let diagnostics_by_rows = self.editor.update(cx, |editor, cx| {
2144 let snapshot = editor.snapshot(window, cx);
2145 editor
2146 .inline_diagnostics
2147 .iter()
2148 .filter(|(_, diagnostic)| diagnostic.severity <= max_severity)
2149 .filter(|(_, diagnostic)| match active_diagnostics_group {
2150 Some(active_diagnostics_group) => {
2151 // Active diagnostics are all shown in the editor already, no need to display them inline
2152 diagnostic.group_id != active_diagnostics_group
2153 }
2154 None => true,
2155 })
2156 .map(|(point, diag)| (point.to_display_point(&snapshot), diag.clone()))
2157 .skip_while(|(point, _)| point.row() < start_row)
2158 .take_while(|(point, _)| point.row() < end_row)
2159 .filter(|(point, _)| !row_block_types.contains_key(&point.row()))
2160 .fold(HashMap::default(), |mut acc, (point, diagnostic)| {
2161 acc.entry(point.row())
2162 .or_insert_with(Vec::new)
2163 .push(diagnostic);
2164 acc
2165 })
2166 });
2167
2168 if diagnostics_by_rows.is_empty() {
2169 return HashMap::default();
2170 }
2171
2172 let severity_to_color = |sev: &lsp::DiagnosticSeverity| match sev {
2173 &lsp::DiagnosticSeverity::ERROR => Color::Error,
2174 &lsp::DiagnosticSeverity::WARNING => Color::Warning,
2175 &lsp::DiagnosticSeverity::INFORMATION => Color::Info,
2176 &lsp::DiagnosticSeverity::HINT => Color::Hint,
2177 _ => Color::Error,
2178 };
2179
2180 let padding = ProjectSettings::get_global(cx).diagnostics.inline.padding as f32 * em_width;
2181 let min_x = self.column_pixels(
2182 ProjectSettings::get_global(cx)
2183 .diagnostics
2184 .inline
2185 .min_column as usize,
2186 window,
2187 );
2188
2189 let mut elements = HashMap::default();
2190 for (row, mut diagnostics) in diagnostics_by_rows {
2191 diagnostics.sort_by_key(|diagnostic| {
2192 (
2193 diagnostic.severity,
2194 std::cmp::Reverse(diagnostic.is_primary),
2195 diagnostic.start.row,
2196 diagnostic.start.column,
2197 )
2198 });
2199
2200 let Some(diagnostic_to_render) = diagnostics
2201 .iter()
2202 .find(|diagnostic| diagnostic.is_primary)
2203 .or_else(|| diagnostics.first())
2204 else {
2205 continue;
2206 };
2207
2208 let pos_y = content_origin.y
2209 + line_height * (row.0 as f32 - scroll_pixel_position.y / line_height);
2210
2211 let window_ix = row.0.saturating_sub(start_row.0) as usize;
2212 let pos_x = {
2213 let crease_trailer_layout = &crease_trailers[window_ix];
2214 let line_layout = &line_layouts[window_ix];
2215
2216 let line_end = if let Some(crease_trailer) = crease_trailer_layout {
2217 crease_trailer.bounds.right()
2218 } else {
2219 content_origin.x - scroll_pixel_position.x + line_layout.width
2220 };
2221
2222 let padded_line = line_end + padding;
2223 let min_start = content_origin.x - scroll_pixel_position.x + min_x;
2224
2225 cmp::max(padded_line, min_start)
2226 };
2227
2228 let behind_edit_prediction_popover = edit_prediction_popover_origin
2229 .as_ref()
2230 .is_some_and(|edit_prediction_popover_origin| {
2231 (pos_y..pos_y + line_height).contains(&edit_prediction_popover_origin.y)
2232 });
2233 let opacity = if behind_edit_prediction_popover {
2234 0.5
2235 } else {
2236 1.0
2237 };
2238
2239 let mut element = h_flex()
2240 .id(("diagnostic", row.0))
2241 .h(line_height)
2242 .w_full()
2243 .px_1()
2244 .rounded_xs()
2245 .opacity(opacity)
2246 .bg(severity_to_color(&diagnostic_to_render.severity)
2247 .color(cx)
2248 .opacity(0.05))
2249 .text_color(severity_to_color(&diagnostic_to_render.severity).color(cx))
2250 .text_sm()
2251 .font_family(style.text.font().family)
2252 .child(diagnostic_to_render.message.clone())
2253 .into_any();
2254
2255 element.prepaint_as_root(point(pos_x, pos_y), AvailableSpace::min_size(), window, cx);
2256
2257 elements.insert(row, element);
2258 }
2259
2260 elements
2261 }
2262
2263 fn layout_inline_code_actions(
2264 &self,
2265 display_point: DisplayPoint,
2266 content_origin: gpui::Point<Pixels>,
2267 scroll_pixel_position: gpui::Point<Pixels>,
2268 line_height: Pixels,
2269 snapshot: &EditorSnapshot,
2270 window: &mut Window,
2271 cx: &mut App,
2272 ) -> Option<AnyElement> {
2273 if !snapshot
2274 .show_code_actions
2275 .unwrap_or(EditorSettings::get_global(cx).inline_code_actions)
2276 {
2277 return None;
2278 }
2279
2280 let icon_size = ui::IconSize::XSmall;
2281 let mut button = self.editor.update(cx, |editor, cx| {
2282 editor.available_code_actions.as_ref()?;
2283 let active = editor
2284 .context_menu
2285 .borrow()
2286 .as_ref()
2287 .and_then(|menu| {
2288 if let crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2289 deployed_from,
2290 ..
2291 }) = menu
2292 {
2293 deployed_from.as_ref()
2294 } else {
2295 None
2296 }
2297 })
2298 .is_some_and(|source| matches!(source, CodeActionSource::Indicator(..)));
2299 Some(editor.render_inline_code_actions(icon_size, display_point.row(), active, cx))
2300 })?;
2301
2302 let buffer_point = display_point.to_point(&snapshot.display_snapshot);
2303
2304 // do not show code action for folded line
2305 if snapshot.is_line_folded(MultiBufferRow(buffer_point.row)) {
2306 return None;
2307 }
2308
2309 // do not show code action for blank line with cursor
2310 let line_indent = snapshot
2311 .display_snapshot
2312 .buffer_snapshot
2313 .line_indent_for_row(MultiBufferRow(buffer_point.row));
2314 if line_indent.is_line_blank() {
2315 return None;
2316 }
2317
2318 const INLINE_SLOT_CHAR_LIMIT: u32 = 4;
2319 const MAX_ALTERNATE_DISTANCE: u32 = 8;
2320
2321 let excerpt_id = snapshot
2322 .display_snapshot
2323 .buffer_snapshot
2324 .excerpt_containing(buffer_point..buffer_point)
2325 .map(|excerpt| excerpt.id());
2326
2327 let is_valid_row = |row_candidate: u32| -> bool {
2328 // move to other row if folded row
2329 if snapshot.is_line_folded(MultiBufferRow(row_candidate)) {
2330 return false;
2331 }
2332 if buffer_point.row == row_candidate {
2333 // move to other row if cursor is in slot
2334 if buffer_point.column < INLINE_SLOT_CHAR_LIMIT {
2335 return false;
2336 }
2337 } else {
2338 let candidate_point = MultiBufferPoint {
2339 row: row_candidate,
2340 column: 0,
2341 };
2342 let candidate_excerpt_id = snapshot
2343 .display_snapshot
2344 .buffer_snapshot
2345 .excerpt_containing(candidate_point..candidate_point)
2346 .map(|excerpt| excerpt.id());
2347 // move to other row if different excerpt
2348 if excerpt_id != candidate_excerpt_id {
2349 return false;
2350 }
2351 }
2352 let line_indent = snapshot
2353 .display_snapshot
2354 .buffer_snapshot
2355 .line_indent_for_row(MultiBufferRow(row_candidate));
2356 // use this row if it's blank
2357 if line_indent.is_line_blank() {
2358 true
2359 } else {
2360 // use this row if code starts after slot
2361 let indent_size = snapshot
2362 .display_snapshot
2363 .buffer_snapshot
2364 .indent_size_for_line(MultiBufferRow(row_candidate));
2365 indent_size.len >= INLINE_SLOT_CHAR_LIMIT
2366 }
2367 };
2368
2369 let new_buffer_row = if is_valid_row(buffer_point.row) {
2370 Some(buffer_point.row)
2371 } else {
2372 let max_row = snapshot.display_snapshot.buffer_snapshot.max_point().row;
2373 (1..=MAX_ALTERNATE_DISTANCE).find_map(|offset| {
2374 let row_above = buffer_point.row.saturating_sub(offset);
2375 let row_below = buffer_point.row + offset;
2376 if row_above != buffer_point.row && is_valid_row(row_above) {
2377 Some(row_above)
2378 } else if row_below <= max_row && is_valid_row(row_below) {
2379 Some(row_below)
2380 } else {
2381 None
2382 }
2383 })
2384 }?;
2385
2386 let new_display_row = snapshot
2387 .display_snapshot
2388 .point_to_display_point(
2389 Point {
2390 row: new_buffer_row,
2391 column: buffer_point.column,
2392 },
2393 text::Bias::Left,
2394 )
2395 .row();
2396
2397 let start_y = content_origin.y
2398 + ((new_display_row.as_f32() - (scroll_pixel_position.y / line_height)) * line_height)
2399 + (line_height / 2.0)
2400 - (icon_size.square(window, cx) / 2.);
2401 let start_x = content_origin.x - scroll_pixel_position.x + (window.rem_size() * 0.1);
2402
2403 let absolute_offset = gpui::point(start_x, start_y);
2404 button.layout_as_root(gpui::AvailableSpace::min_size(), window, cx);
2405 button.prepaint_as_root(
2406 absolute_offset,
2407 gpui::AvailableSpace::min_size(),
2408 window,
2409 cx,
2410 );
2411 Some(button)
2412 }
2413
2414 fn layout_inline_blame(
2415 &self,
2416 display_row: DisplayRow,
2417 row_info: &RowInfo,
2418 line_layout: &LineWithInvisibles,
2419 crease_trailer: Option<&CreaseTrailerLayout>,
2420 em_width: Pixels,
2421 content_origin: gpui::Point<Pixels>,
2422 scroll_pixel_position: gpui::Point<Pixels>,
2423 line_height: Pixels,
2424 text_hitbox: &Hitbox,
2425 window: &mut Window,
2426 cx: &mut App,
2427 ) -> Option<InlineBlameLayout> {
2428 if !self
2429 .editor
2430 .update(cx, |editor, cx| editor.render_git_blame_inline(window, cx))
2431 {
2432 return None;
2433 }
2434
2435 let editor = self.editor.read(cx);
2436 let blame = editor.blame.clone()?;
2437 let padding = {
2438 const INLINE_ACCEPT_SUGGESTION_EM_WIDTHS: f32 = 14.;
2439
2440 let mut padding = ProjectSettings::get_global(cx)
2441 .git
2442 .inline_blame
2443 .unwrap_or_default()
2444 .padding as f32;
2445
2446 if let Some(edit_prediction) = editor.active_edit_prediction.as_ref()
2447 && let EditPrediction::Edit {
2448 display_mode: EditDisplayMode::TabAccept,
2449 ..
2450 } = &edit_prediction.completion
2451 {
2452 padding += INLINE_ACCEPT_SUGGESTION_EM_WIDTHS
2453 }
2454
2455 padding * em_width
2456 };
2457
2458 let (buffer_id, entry) = blame
2459 .update(cx, |blame, cx| {
2460 blame.blame_for_rows(&[*row_info], cx).next()
2461 })
2462 .flatten()?;
2463
2464 let mut element = render_inline_blame_entry(entry.clone(), &self.style, cx)?;
2465
2466 let start_y = content_origin.y
2467 + line_height * (display_row.as_f32() - scroll_pixel_position.y / line_height);
2468
2469 let start_x = {
2470 let line_end = if let Some(crease_trailer) = crease_trailer {
2471 crease_trailer.bounds.right()
2472 } else {
2473 content_origin.x - scroll_pixel_position.x + line_layout.width
2474 };
2475
2476 let padded_line_end = line_end + padding;
2477
2478 let min_column_in_pixels = ProjectSettings::get_global(cx)
2479 .git
2480 .inline_blame
2481 .map(|settings| settings.min_column)
2482 .map(|col| self.column_pixels(col as usize, window))
2483 .unwrap_or(px(0.));
2484 let min_start = content_origin.x - scroll_pixel_position.x + min_column_in_pixels;
2485
2486 cmp::max(padded_line_end, min_start)
2487 };
2488
2489 let absolute_offset = point(start_x, start_y);
2490 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2491 let bounds = Bounds::new(absolute_offset, size);
2492
2493 self.layout_blame_entry_popover(
2494 entry.clone(),
2495 blame,
2496 line_height,
2497 text_hitbox,
2498 row_info.buffer_id?,
2499 window,
2500 cx,
2501 );
2502
2503 element.prepaint_as_root(absolute_offset, AvailableSpace::min_size(), window, cx);
2504
2505 Some(InlineBlameLayout {
2506 element,
2507 bounds,
2508 buffer_id,
2509 entry,
2510 })
2511 }
2512
2513 fn layout_blame_entry_popover(
2514 &self,
2515 blame_entry: BlameEntry,
2516 blame: Entity<GitBlame>,
2517 line_height: Pixels,
2518 text_hitbox: &Hitbox,
2519 buffer: BufferId,
2520 window: &mut Window,
2521 cx: &mut App,
2522 ) {
2523 let Some((popover_state, target_point)) = self.editor.read_with(cx, |editor, _| {
2524 editor
2525 .inline_blame_popover
2526 .as_ref()
2527 .map(|state| (state.popover_state.clone(), state.position))
2528 }) else {
2529 return;
2530 };
2531
2532 let workspace = self
2533 .editor
2534 .read_with(cx, |editor, _| editor.workspace().map(|w| w.downgrade()));
2535
2536 let maybe_element = workspace.and_then(|workspace| {
2537 render_blame_entry_popover(
2538 blame_entry,
2539 popover_state.scroll_handle,
2540 popover_state.commit_message,
2541 popover_state.markdown,
2542 workspace,
2543 &blame,
2544 buffer,
2545 window,
2546 cx,
2547 )
2548 });
2549
2550 if let Some(mut element) = maybe_element {
2551 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2552 let overall_height = size.height + HOVER_POPOVER_GAP;
2553 let popover_origin = if target_point.y > overall_height {
2554 point(target_point.x, target_point.y - size.height)
2555 } else {
2556 point(
2557 target_point.x,
2558 target_point.y + line_height + HOVER_POPOVER_GAP,
2559 )
2560 };
2561
2562 let horizontal_offset = (text_hitbox.top_right().x
2563 - POPOVER_RIGHT_OFFSET
2564 - (popover_origin.x + size.width))
2565 .min(Pixels::ZERO);
2566
2567 let origin = point(popover_origin.x + horizontal_offset, popover_origin.y);
2568 let popover_bounds = Bounds::new(origin, size);
2569
2570 self.editor.update(cx, |editor, _| {
2571 if let Some(state) = &mut editor.inline_blame_popover {
2572 state.popover_bounds = Some(popover_bounds);
2573 }
2574 });
2575
2576 window.defer_draw(element, origin, 2);
2577 }
2578 }
2579
2580 fn layout_blame_entries(
2581 &self,
2582 buffer_rows: &[RowInfo],
2583 em_width: Pixels,
2584 scroll_position: gpui::Point<f32>,
2585 line_height: Pixels,
2586 gutter_hitbox: &Hitbox,
2587 max_width: Option<Pixels>,
2588 window: &mut Window,
2589 cx: &mut App,
2590 ) -> Option<Vec<AnyElement>> {
2591 if !self
2592 .editor
2593 .update(cx, |editor, cx| editor.render_git_blame_gutter(cx))
2594 {
2595 return None;
2596 }
2597
2598 let blame = self.editor.read(cx).blame.clone()?;
2599 let workspace = self.editor.read(cx).workspace()?;
2600 let blamed_rows: Vec<_> = blame.update(cx, |blame, cx| {
2601 blame.blame_for_rows(buffer_rows, cx).collect()
2602 });
2603
2604 let width = if let Some(max_width) = max_width {
2605 AvailableSpace::Definite(max_width)
2606 } else {
2607 AvailableSpace::MaxContent
2608 };
2609 let scroll_top = scroll_position.y * line_height;
2610 let start_x = em_width;
2611
2612 let mut last_used_color: Option<(PlayerColor, Oid)> = None;
2613 let blame_renderer = cx.global::<GlobalBlameRenderer>().0.clone();
2614
2615 let shaped_lines = blamed_rows
2616 .into_iter()
2617 .enumerate()
2618 .flat_map(|(ix, blame_entry)| {
2619 let (buffer_id, blame_entry) = blame_entry?;
2620 let mut element = render_blame_entry(
2621 ix,
2622 &blame,
2623 blame_entry,
2624 &self.style,
2625 &mut last_used_color,
2626 self.editor.clone(),
2627 workspace.clone(),
2628 buffer_id,
2629 blame_renderer.clone(),
2630 cx,
2631 )?;
2632
2633 let start_y = ix as f32 * line_height - (scroll_top % line_height);
2634 let absolute_offset = gutter_hitbox.origin + point(start_x, start_y);
2635
2636 element.prepaint_as_root(
2637 absolute_offset,
2638 size(width, AvailableSpace::MinContent),
2639 window,
2640 cx,
2641 );
2642
2643 Some(element)
2644 })
2645 .collect();
2646
2647 Some(shaped_lines)
2648 }
2649
2650 fn layout_indent_guides(
2651 &self,
2652 content_origin: gpui::Point<Pixels>,
2653 text_origin: gpui::Point<Pixels>,
2654 visible_buffer_range: Range<MultiBufferRow>,
2655 scroll_pixel_position: gpui::Point<Pixels>,
2656 line_height: Pixels,
2657 snapshot: &DisplaySnapshot,
2658 window: &mut Window,
2659 cx: &mut App,
2660 ) -> Option<Vec<IndentGuideLayout>> {
2661 let indent_guides = self.editor.update(cx, |editor, cx| {
2662 editor.indent_guides(visible_buffer_range, snapshot, cx)
2663 })?;
2664
2665 let active_indent_guide_indices = self.editor.update(cx, |editor, cx| {
2666 editor
2667 .find_active_indent_guide_indices(&indent_guides, snapshot, window, cx)
2668 .unwrap_or_default()
2669 });
2670
2671 Some(
2672 indent_guides
2673 .into_iter()
2674 .enumerate()
2675 .filter_map(|(i, indent_guide)| {
2676 let single_indent_width =
2677 self.column_pixels(indent_guide.tab_size as usize, window);
2678 let total_width = single_indent_width * indent_guide.depth as f32;
2679 let start_x = content_origin.x + total_width - scroll_pixel_position.x;
2680 if start_x >= text_origin.x {
2681 let (offset_y, length) = Self::calculate_indent_guide_bounds(
2682 indent_guide.start_row..indent_guide.end_row,
2683 line_height,
2684 snapshot,
2685 );
2686
2687 let start_y = content_origin.y + offset_y - scroll_pixel_position.y;
2688
2689 Some(IndentGuideLayout {
2690 origin: point(start_x, start_y),
2691 length,
2692 single_indent_width,
2693 depth: indent_guide.depth,
2694 active: active_indent_guide_indices.contains(&i),
2695 settings: indent_guide.settings,
2696 })
2697 } else {
2698 None
2699 }
2700 })
2701 .collect(),
2702 )
2703 }
2704
2705 fn layout_wrap_guides(
2706 &self,
2707 em_advance: Pixels,
2708 scroll_position: gpui::Point<f32>,
2709 content_origin: gpui::Point<Pixels>,
2710 scrollbar_layout: Option<&EditorScrollbars>,
2711 vertical_scrollbar_width: Pixels,
2712 hitbox: &Hitbox,
2713 window: &Window,
2714 cx: &App,
2715 ) -> SmallVec<[(Pixels, bool); 2]> {
2716 let scroll_left = scroll_position.x * em_advance;
2717 let content_origin = content_origin.x;
2718 let horizontal_offset = content_origin - scroll_left;
2719 let vertical_scrollbar_width = scrollbar_layout
2720 .and_then(|layout| layout.visible.then_some(vertical_scrollbar_width))
2721 .unwrap_or_default();
2722
2723 self.editor
2724 .read(cx)
2725 .wrap_guides(cx)
2726 .into_iter()
2727 .flat_map(|(guide, active)| {
2728 let wrap_position = self.column_pixels(guide, window);
2729 let wrap_guide_x = wrap_position + horizontal_offset;
2730 let display_wrap_guide = wrap_guide_x >= content_origin
2731 && wrap_guide_x <= hitbox.bounds.right() - vertical_scrollbar_width;
2732
2733 display_wrap_guide.then_some((wrap_guide_x, active))
2734 })
2735 .collect()
2736 }
2737
2738 fn calculate_indent_guide_bounds(
2739 row_range: Range<MultiBufferRow>,
2740 line_height: Pixels,
2741 snapshot: &DisplaySnapshot,
2742 ) -> (gpui::Pixels, gpui::Pixels) {
2743 let start_point = Point::new(row_range.start.0, 0);
2744 let end_point = Point::new(row_range.end.0, 0);
2745
2746 let row_range = start_point.to_display_point(snapshot).row()
2747 ..end_point.to_display_point(snapshot).row();
2748
2749 let mut prev_line = start_point;
2750 prev_line.row = prev_line.row.saturating_sub(1);
2751 let prev_line = prev_line.to_display_point(snapshot).row();
2752
2753 let mut cons_line = end_point;
2754 cons_line.row += 1;
2755 let cons_line = cons_line.to_display_point(snapshot).row();
2756
2757 let mut offset_y = row_range.start.0 as f32 * line_height;
2758 let mut length = (cons_line.0.saturating_sub(row_range.start.0)) as f32 * line_height;
2759
2760 // If we are at the end of the buffer, ensure that the indent guide extends to the end of the line.
2761 if row_range.end == cons_line {
2762 length += line_height;
2763 }
2764
2765 // If there is a block (e.g. diagnostic) in between the start of the indent guide and the line above,
2766 // we want to extend the indent guide to the start of the block.
2767 let mut block_height = 0;
2768 let mut block_offset = 0;
2769 let mut found_excerpt_header = false;
2770 for (_, block) in snapshot.blocks_in_range(prev_line..row_range.start) {
2771 if matches!(
2772 block,
2773 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
2774 ) {
2775 found_excerpt_header = true;
2776 break;
2777 }
2778 block_offset += block.height();
2779 block_height += block.height();
2780 }
2781 if !found_excerpt_header {
2782 offset_y -= block_offset as f32 * line_height;
2783 length += block_height as f32 * line_height;
2784 }
2785
2786 // If there is a block (e.g. diagnostic) at the end of an multibuffer excerpt,
2787 // we want to ensure that the indent guide stops before the excerpt header.
2788 let mut block_height = 0;
2789 let mut found_excerpt_header = false;
2790 for (_, block) in snapshot.blocks_in_range(row_range.end..cons_line) {
2791 if matches!(
2792 block,
2793 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
2794 ) {
2795 found_excerpt_header = true;
2796 }
2797 block_height += block.height();
2798 }
2799 if found_excerpt_header {
2800 length -= block_height as f32 * line_height;
2801 }
2802
2803 (offset_y, length)
2804 }
2805
2806 fn layout_breakpoints(
2807 &self,
2808 line_height: Pixels,
2809 range: Range<DisplayRow>,
2810 scroll_pixel_position: gpui::Point<Pixels>,
2811 gutter_dimensions: &GutterDimensions,
2812 gutter_hitbox: &Hitbox,
2813 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2814 snapshot: &EditorSnapshot,
2815 breakpoints: HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2816 row_infos: &[RowInfo],
2817 window: &mut Window,
2818 cx: &mut App,
2819 ) -> Vec<AnyElement> {
2820 self.editor.update(cx, |editor, cx| {
2821 breakpoints
2822 .into_iter()
2823 .filter_map(|(display_row, (text_anchor, bp, state))| {
2824 if row_infos
2825 .get((display_row.0.saturating_sub(range.start.0)) as usize)
2826 .is_some_and(|row_info| {
2827 row_info.expand_info.is_some()
2828 || row_info
2829 .diff_status
2830 .is_some_and(|status| status.is_deleted())
2831 })
2832 {
2833 return None;
2834 }
2835
2836 if range.start > display_row || range.end < display_row {
2837 return None;
2838 }
2839
2840 let row =
2841 MultiBufferRow(DisplayPoint::new(display_row, 0).to_point(snapshot).row);
2842 if snapshot.is_line_folded(row) {
2843 return None;
2844 }
2845
2846 let button = editor.render_breakpoint(text_anchor, display_row, &bp, state, cx);
2847
2848 let button = prepaint_gutter_button(
2849 button,
2850 display_row,
2851 line_height,
2852 gutter_dimensions,
2853 scroll_pixel_position,
2854 gutter_hitbox,
2855 display_hunks,
2856 window,
2857 cx,
2858 );
2859 Some(button)
2860 })
2861 .collect_vec()
2862 })
2863 }
2864
2865 #[allow(clippy::too_many_arguments)]
2866 fn layout_run_indicators(
2867 &self,
2868 line_height: Pixels,
2869 range: Range<DisplayRow>,
2870 row_infos: &[RowInfo],
2871 scroll_pixel_position: gpui::Point<Pixels>,
2872 gutter_dimensions: &GutterDimensions,
2873 gutter_hitbox: &Hitbox,
2874 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2875 snapshot: &EditorSnapshot,
2876 breakpoints: &mut HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2877 window: &mut Window,
2878 cx: &mut App,
2879 ) -> Vec<AnyElement> {
2880 self.editor.update(cx, |editor, cx| {
2881 let active_task_indicator_row =
2882 // TODO: add edit button on the right side of each row in the context menu
2883 if let Some(crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2884 deployed_from,
2885 actions,
2886 ..
2887 })) = editor.context_menu.borrow().as_ref()
2888 {
2889 actions
2890 .tasks()
2891 .map(|tasks| tasks.position.to_display_point(snapshot).row())
2892 .or_else(|| match deployed_from {
2893 Some(CodeActionSource::Indicator(row)) => Some(*row),
2894 _ => None,
2895 })
2896 } else {
2897 None
2898 };
2899
2900 let offset_range_start =
2901 snapshot.display_point_to_point(DisplayPoint::new(range.start, 0), Bias::Left);
2902
2903 let offset_range_end =
2904 snapshot.display_point_to_point(DisplayPoint::new(range.end, 0), Bias::Right);
2905
2906 editor
2907 .tasks
2908 .iter()
2909 .filter_map(|(_, tasks)| {
2910 let multibuffer_point = tasks.offset.to_point(&snapshot.buffer_snapshot);
2911 if multibuffer_point < offset_range_start
2912 || multibuffer_point > offset_range_end
2913 {
2914 return None;
2915 }
2916 let multibuffer_row = MultiBufferRow(multibuffer_point.row);
2917 let buffer_folded = snapshot
2918 .buffer_snapshot
2919 .buffer_line_for_row(multibuffer_row)
2920 .map(|(buffer_snapshot, _)| buffer_snapshot.remote_id())
2921 .map(|buffer_id| editor.is_buffer_folded(buffer_id, cx))
2922 .unwrap_or(false);
2923 if buffer_folded {
2924 return None;
2925 }
2926
2927 if snapshot.is_line_folded(multibuffer_row) {
2928 // Skip folded indicators, unless it's the starting line of a fold.
2929 if multibuffer_row
2930 .0
2931 .checked_sub(1)
2932 .is_some_and(|previous_row| {
2933 snapshot.is_line_folded(MultiBufferRow(previous_row))
2934 })
2935 {
2936 return None;
2937 }
2938 }
2939
2940 let display_row = multibuffer_point.to_display_point(snapshot).row();
2941 if !range.contains(&display_row) {
2942 return None;
2943 }
2944 if row_infos
2945 .get((display_row - range.start).0 as usize)
2946 .is_some_and(|row_info| row_info.expand_info.is_some())
2947 {
2948 return None;
2949 }
2950
2951 let button = editor.render_run_indicator(
2952 &self.style,
2953 Some(display_row) == active_task_indicator_row,
2954 display_row,
2955 breakpoints.remove(&display_row),
2956 cx,
2957 );
2958
2959 let button = prepaint_gutter_button(
2960 button,
2961 display_row,
2962 line_height,
2963 gutter_dimensions,
2964 scroll_pixel_position,
2965 gutter_hitbox,
2966 display_hunks,
2967 window,
2968 cx,
2969 );
2970 Some(button)
2971 })
2972 .collect_vec()
2973 })
2974 }
2975
2976 fn layout_expand_toggles(
2977 &self,
2978 gutter_hitbox: &Hitbox,
2979 gutter_dimensions: GutterDimensions,
2980 em_width: Pixels,
2981 line_height: Pixels,
2982 scroll_position: gpui::Point<f32>,
2983 buffer_rows: &[RowInfo],
2984 window: &mut Window,
2985 cx: &mut App,
2986 ) -> Vec<Option<(AnyElement, gpui::Point<Pixels>)>> {
2987 if self.editor.read(cx).disable_expand_excerpt_buttons {
2988 return vec![];
2989 }
2990
2991 let editor_font_size = self.style.text.font_size.to_pixels(window.rem_size()) * 1.2;
2992
2993 let scroll_top = scroll_position.y * line_height;
2994
2995 let max_line_number_length = self
2996 .editor
2997 .read(cx)
2998 .buffer()
2999 .read(cx)
3000 .snapshot(cx)
3001 .widest_line_number()
3002 .ilog10()
3003 + 1;
3004
3005 buffer_rows
3006 .iter()
3007 .enumerate()
3008 .map(|(ix, row_info)| {
3009 let ExpandInfo {
3010 excerpt_id,
3011 direction,
3012 } = row_info.expand_info?;
3013
3014 let icon_name = match direction {
3015 ExpandExcerptDirection::Up => IconName::ExpandUp,
3016 ExpandExcerptDirection::Down => IconName::ExpandDown,
3017 ExpandExcerptDirection::UpAndDown => IconName::ExpandVertical,
3018 };
3019
3020 let git_gutter_width = Self::gutter_strip_width(line_height);
3021 let available_width = gutter_dimensions.left_padding - git_gutter_width;
3022
3023 let editor = self.editor.clone();
3024 let is_wide = max_line_number_length
3025 >= EditorSettings::get_global(cx).gutter.min_line_number_digits as u32
3026 && row_info
3027 .buffer_row
3028 .is_some_and(|row| (row + 1).ilog10() + 1 == max_line_number_length)
3029 || gutter_dimensions.right_padding == px(0.);
3030
3031 let width = if is_wide {
3032 available_width - px(2.)
3033 } else {
3034 available_width + em_width - px(2.)
3035 };
3036
3037 let toggle = IconButton::new(("expand", ix), icon_name)
3038 .icon_color(Color::Custom(cx.theme().colors().editor_line_number))
3039 .selected_icon_color(Color::Custom(cx.theme().colors().editor_foreground))
3040 .icon_size(IconSize::Custom(rems(editor_font_size / window.rem_size())))
3041 .width(width)
3042 .on_click(move |_, window, cx| {
3043 editor.update(cx, |editor, cx| {
3044 editor.expand_excerpt(excerpt_id, direction, window, cx);
3045 });
3046 })
3047 .tooltip(Tooltip::for_action_title(
3048 "Expand Excerpt",
3049 &crate::actions::ExpandExcerpts::default(),
3050 ))
3051 .into_any_element();
3052
3053 let position = point(
3054 git_gutter_width + px(1.),
3055 ix as f32 * line_height - (scroll_top % line_height) + px(1.),
3056 );
3057 let origin = gutter_hitbox.origin + position;
3058
3059 Some((toggle, origin))
3060 })
3061 .collect()
3062 }
3063
3064 fn calculate_relative_line_numbers(
3065 &self,
3066 snapshot: &EditorSnapshot,
3067 rows: &Range<DisplayRow>,
3068 relative_to: Option<DisplayRow>,
3069 ) -> HashMap<DisplayRow, DisplayRowDelta> {
3070 let mut relative_rows: HashMap<DisplayRow, DisplayRowDelta> = Default::default();
3071 let Some(relative_to) = relative_to else {
3072 return relative_rows;
3073 };
3074
3075 let start = rows.start.min(relative_to);
3076 let end = rows.end.max(relative_to);
3077
3078 let buffer_rows = snapshot
3079 .row_infos(start)
3080 .take(1 + end.minus(start) as usize)
3081 .collect::<Vec<_>>();
3082
3083 let head_idx = relative_to.minus(start);
3084 let mut delta = 1;
3085 let mut i = head_idx + 1;
3086 while i < buffer_rows.len() as u32 {
3087 if buffer_rows[i as usize].buffer_row.is_some() {
3088 if rows.contains(&DisplayRow(i + start.0)) {
3089 relative_rows.insert(DisplayRow(i + start.0), delta);
3090 }
3091 delta += 1;
3092 }
3093 i += 1;
3094 }
3095 delta = 1;
3096 i = head_idx.min(buffer_rows.len() as u32 - 1);
3097 while i > 0 && buffer_rows[i as usize].buffer_row.is_none() {
3098 i -= 1;
3099 }
3100
3101 while i > 0 {
3102 i -= 1;
3103 if buffer_rows[i as usize].buffer_row.is_some() {
3104 if rows.contains(&DisplayRow(i + start.0)) {
3105 relative_rows.insert(DisplayRow(i + start.0), delta);
3106 }
3107 delta += 1;
3108 }
3109 }
3110
3111 relative_rows
3112 }
3113
3114 fn layout_line_numbers(
3115 &self,
3116 gutter_hitbox: Option<&Hitbox>,
3117 gutter_dimensions: GutterDimensions,
3118 line_height: Pixels,
3119 scroll_position: gpui::Point<f32>,
3120 rows: Range<DisplayRow>,
3121 buffer_rows: &[RowInfo],
3122 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3123 newest_selection_head: Option<DisplayPoint>,
3124 snapshot: &EditorSnapshot,
3125 window: &mut Window,
3126 cx: &mut App,
3127 ) -> Arc<HashMap<MultiBufferRow, LineNumberLayout>> {
3128 let include_line_numbers = snapshot
3129 .show_line_numbers
3130 .unwrap_or_else(|| EditorSettings::get_global(cx).gutter.line_numbers);
3131 if !include_line_numbers {
3132 return Arc::default();
3133 }
3134
3135 let (newest_selection_head, is_relative) = self.editor.update(cx, |editor, cx| {
3136 let newest_selection_head = newest_selection_head.unwrap_or_else(|| {
3137 let newest = editor.selections.newest::<Point>(cx);
3138 SelectionLayout::new(
3139 newest,
3140 editor.selections.line_mode,
3141 editor.cursor_shape,
3142 &snapshot.display_snapshot,
3143 true,
3144 true,
3145 None,
3146 )
3147 .head
3148 });
3149 let is_relative = editor.should_use_relative_line_numbers(cx);
3150 (newest_selection_head, is_relative)
3151 });
3152
3153 let relative_to = if is_relative {
3154 Some(newest_selection_head.row())
3155 } else {
3156 None
3157 };
3158 let relative_rows = self.calculate_relative_line_numbers(snapshot, &rows, relative_to);
3159 let mut line_number = String::new();
3160 let line_numbers = buffer_rows
3161 .iter()
3162 .enumerate()
3163 .flat_map(|(ix, row_info)| {
3164 let display_row = DisplayRow(rows.start.0 + ix as u32);
3165 line_number.clear();
3166 let non_relative_number = row_info.buffer_row? + 1;
3167 let number = relative_rows
3168 .get(&display_row)
3169 .unwrap_or(&non_relative_number);
3170 write!(&mut line_number, "{number}").unwrap();
3171 if row_info
3172 .diff_status
3173 .is_some_and(|status| status.is_deleted())
3174 {
3175 return None;
3176 }
3177
3178 let color = active_rows
3179 .get(&display_row)
3180 .map(|spec| {
3181 if spec.breakpoint {
3182 cx.theme().colors().debugger_accent
3183 } else {
3184 cx.theme().colors().editor_active_line_number
3185 }
3186 })
3187 .unwrap_or_else(|| cx.theme().colors().editor_line_number);
3188 let shaped_line =
3189 self.shape_line_number(SharedString::from(&line_number), color, window);
3190 let scroll_top = scroll_position.y * line_height;
3191 let line_origin = gutter_hitbox.map(|hitbox| {
3192 hitbox.origin
3193 + point(
3194 hitbox.size.width - shaped_line.width - gutter_dimensions.right_padding,
3195 ix as f32 * line_height - (scroll_top % line_height),
3196 )
3197 });
3198
3199 #[cfg(not(test))]
3200 let hitbox = line_origin.map(|line_origin| {
3201 window.insert_hitbox(
3202 Bounds::new(line_origin, size(shaped_line.width, line_height)),
3203 HitboxBehavior::Normal,
3204 )
3205 });
3206 #[cfg(test)]
3207 let hitbox = {
3208 let _ = line_origin;
3209 None
3210 };
3211
3212 let multi_buffer_row = DisplayPoint::new(display_row, 0).to_point(snapshot).row;
3213 let multi_buffer_row = MultiBufferRow(multi_buffer_row);
3214 let line_number = LineNumberLayout {
3215 shaped_line,
3216 hitbox,
3217 };
3218 Some((multi_buffer_row, line_number))
3219 })
3220 .collect();
3221 Arc::new(line_numbers)
3222 }
3223
3224 fn layout_crease_toggles(
3225 &self,
3226 rows: Range<DisplayRow>,
3227 row_infos: &[RowInfo],
3228 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3229 snapshot: &EditorSnapshot,
3230 window: &mut Window,
3231 cx: &mut App,
3232 ) -> Vec<Option<AnyElement>> {
3233 let include_fold_statuses = EditorSettings::get_global(cx).gutter.folds
3234 && snapshot.mode.is_full()
3235 && self.editor.read(cx).is_singleton(cx);
3236 if include_fold_statuses {
3237 row_infos
3238 .iter()
3239 .enumerate()
3240 .map(|(ix, info)| {
3241 if info.expand_info.is_some() {
3242 return None;
3243 }
3244 let row = info.multibuffer_row?;
3245 let display_row = DisplayRow(rows.start.0 + ix as u32);
3246 let active = active_rows.contains_key(&display_row);
3247
3248 snapshot.render_crease_toggle(row, active, self.editor.clone(), window, cx)
3249 })
3250 .collect()
3251 } else {
3252 Vec::new()
3253 }
3254 }
3255
3256 fn layout_crease_trailers(
3257 &self,
3258 buffer_rows: impl IntoIterator<Item = RowInfo>,
3259 snapshot: &EditorSnapshot,
3260 window: &mut Window,
3261 cx: &mut App,
3262 ) -> Vec<Option<AnyElement>> {
3263 buffer_rows
3264 .into_iter()
3265 .map(|row_info| {
3266 if row_info.expand_info.is_some() {
3267 return None;
3268 }
3269 if let Some(row) = row_info.multibuffer_row {
3270 snapshot.render_crease_trailer(row, window, cx)
3271 } else {
3272 None
3273 }
3274 })
3275 .collect()
3276 }
3277
3278 fn bg_segments_per_row(
3279 rows: Range<DisplayRow>,
3280 selections: &[(PlayerColor, Vec<SelectionLayout>)],
3281 highlight_ranges: &[(Range<DisplayPoint>, Hsla)],
3282 base_background: Hsla,
3283 ) -> Vec<Vec<(Range<DisplayPoint>, Hsla)>> {
3284 if rows.start >= rows.end {
3285 return Vec::new();
3286 }
3287 let highlight_iter = highlight_ranges.iter().cloned();
3288 let selection_iter = selections.iter().flat_map(|(player_color, layouts)| {
3289 let color = player_color.selection;
3290 layouts.iter().filter_map(move |selection_layout| {
3291 if selection_layout.range.start != selection_layout.range.end {
3292 Some((selection_layout.range.clone(), color))
3293 } else {
3294 None
3295 }
3296 })
3297 });
3298 let mut per_row_map = vec![Vec::new(); rows.len()];
3299 for (range, color) in highlight_iter.chain(selection_iter) {
3300 let covered_rows = if range.end.column() == 0 {
3301 cmp::max(range.start.row(), rows.start)..cmp::min(range.end.row(), rows.end)
3302 } else {
3303 cmp::max(range.start.row(), rows.start)
3304 ..cmp::min(range.end.row().next_row(), rows.end)
3305 };
3306 for row in covered_rows.iter_rows() {
3307 let seg_start = if row == range.start.row() {
3308 range.start
3309 } else {
3310 DisplayPoint::new(row, 0)
3311 };
3312 let seg_end = if row == range.end.row() && range.end.column() != 0 {
3313 range.end
3314 } else {
3315 DisplayPoint::new(row, u32::MAX)
3316 };
3317 let ix = row.minus(rows.start) as usize;
3318 debug_assert!(row >= rows.start && row < rows.end);
3319 debug_assert!(ix < per_row_map.len());
3320 per_row_map[ix].push((seg_start..seg_end, color));
3321 }
3322 }
3323 for row_segments in per_row_map.iter_mut() {
3324 if row_segments.is_empty() {
3325 continue;
3326 }
3327 let segments = mem::take(row_segments);
3328 let merged = Self::merge_overlapping_ranges(segments, base_background);
3329 *row_segments = merged;
3330 }
3331 per_row_map
3332 }
3333
3334 /// Merge overlapping ranges by splitting at all range boundaries and blending colors where
3335 /// multiple ranges overlap. The result contains non-overlapping ranges ordered from left to right.
3336 ///
3337 /// Expects `start.row() == end.row()` for each range.
3338 fn merge_overlapping_ranges(
3339 ranges: Vec<(Range<DisplayPoint>, Hsla)>,
3340 base_background: Hsla,
3341 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
3342 struct Boundary {
3343 pos: DisplayPoint,
3344 is_start: bool,
3345 index: usize,
3346 color: Hsla,
3347 }
3348
3349 let mut boundaries: SmallVec<[Boundary; 16]> = SmallVec::with_capacity(ranges.len() * 2);
3350 for (index, (range, color)) in ranges.iter().enumerate() {
3351 debug_assert!(
3352 range.start.row() == range.end.row(),
3353 "expects single-row ranges"
3354 );
3355 if range.start < range.end {
3356 boundaries.push(Boundary {
3357 pos: range.start,
3358 is_start: true,
3359 index,
3360 color: *color,
3361 });
3362 boundaries.push(Boundary {
3363 pos: range.end,
3364 is_start: false,
3365 index,
3366 color: *color,
3367 });
3368 }
3369 }
3370
3371 if boundaries.is_empty() {
3372 return Vec::new();
3373 }
3374
3375 boundaries
3376 .sort_unstable_by(|a, b| a.pos.cmp(&b.pos).then_with(|| a.is_start.cmp(&b.is_start)));
3377
3378 let mut processed_ranges: Vec<(Range<DisplayPoint>, Hsla)> = Vec::new();
3379 let mut active_ranges: SmallVec<[(usize, Hsla); 8]> = SmallVec::new();
3380
3381 let mut i = 0;
3382 let mut start_pos = boundaries[0].pos;
3383
3384 let boundaries_len = boundaries.len();
3385 while i < boundaries_len {
3386 let current_boundary_pos = boundaries[i].pos;
3387 if start_pos < current_boundary_pos {
3388 if !active_ranges.is_empty() {
3389 let mut color = base_background;
3390 for &(_, c) in &active_ranges {
3391 color = Hsla::blend(color, c);
3392 }
3393 if let Some((last_range, last_color)) = processed_ranges.last_mut() {
3394 if *last_color == color && last_range.end == start_pos {
3395 last_range.end = current_boundary_pos;
3396 } else {
3397 processed_ranges.push((start_pos..current_boundary_pos, color));
3398 }
3399 } else {
3400 processed_ranges.push((start_pos..current_boundary_pos, color));
3401 }
3402 }
3403 }
3404 while i < boundaries_len && boundaries[i].pos == current_boundary_pos {
3405 let active_range = &boundaries[i];
3406 if active_range.is_start {
3407 let idx = active_range.index;
3408 let pos = active_ranges
3409 .binary_search_by_key(&idx, |(i, _)| *i)
3410 .unwrap_or_else(|p| p);
3411 active_ranges.insert(pos, (idx, active_range.color));
3412 } else {
3413 let idx = active_range.index;
3414 if let Ok(pos) = active_ranges.binary_search_by_key(&idx, |(i, _)| *i) {
3415 active_ranges.remove(pos);
3416 }
3417 }
3418 i += 1;
3419 }
3420 start_pos = current_boundary_pos;
3421 }
3422
3423 processed_ranges
3424 }
3425
3426 fn layout_lines(
3427 rows: Range<DisplayRow>,
3428 snapshot: &EditorSnapshot,
3429 style: &EditorStyle,
3430 editor_width: Pixels,
3431 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3432 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
3433 window: &mut Window,
3434 cx: &mut App,
3435 ) -> Vec<LineWithInvisibles> {
3436 if rows.start >= rows.end {
3437 return Vec::new();
3438 }
3439
3440 // Show the placeholder when the editor is empty
3441 if snapshot.is_empty() {
3442 let font_size = style.text.font_size.to_pixels(window.rem_size());
3443 let placeholder_color = cx.theme().colors().text_placeholder;
3444 let placeholder_text = snapshot.placeholder_text();
3445
3446 let placeholder_lines = placeholder_text
3447 .as_ref()
3448 .map_or("", AsRef::as_ref)
3449 .split('\n')
3450 .skip(rows.start.0 as usize)
3451 .chain(iter::repeat(""))
3452 .take(rows.len());
3453 placeholder_lines
3454 .map(move |line| {
3455 let run = TextRun {
3456 len: line.len(),
3457 font: style.text.font(),
3458 color: placeholder_color,
3459 background_color: None,
3460 underline: None,
3461 strikethrough: None,
3462 };
3463 let line = window.text_system().shape_line(
3464 line.to_string().into(),
3465 font_size,
3466 &[run],
3467 None,
3468 );
3469 LineWithInvisibles {
3470 width: line.width,
3471 len: line.len,
3472 fragments: smallvec![LineFragment::Text(line)],
3473 invisibles: Vec::new(),
3474 font_size,
3475 }
3476 })
3477 .collect()
3478 } else {
3479 let chunks = snapshot.highlighted_chunks(rows.clone(), true, style);
3480 LineWithInvisibles::from_chunks(
3481 chunks,
3482 style,
3483 MAX_LINE_LEN,
3484 rows.len(),
3485 &snapshot.mode,
3486 editor_width,
3487 is_row_soft_wrapped,
3488 bg_segments_per_row,
3489 window,
3490 cx,
3491 )
3492 }
3493 }
3494
3495 fn prepaint_lines(
3496 &self,
3497 start_row: DisplayRow,
3498 line_layouts: &mut [LineWithInvisibles],
3499 line_height: Pixels,
3500 scroll_pixel_position: gpui::Point<Pixels>,
3501 content_origin: gpui::Point<Pixels>,
3502 window: &mut Window,
3503 cx: &mut App,
3504 ) -> SmallVec<[AnyElement; 1]> {
3505 let mut line_elements = SmallVec::new();
3506 for (ix, line) in line_layouts.iter_mut().enumerate() {
3507 let row = start_row + DisplayRow(ix as u32);
3508 line.prepaint(
3509 line_height,
3510 scroll_pixel_position,
3511 row,
3512 content_origin,
3513 &mut line_elements,
3514 window,
3515 cx,
3516 );
3517 }
3518 line_elements
3519 }
3520
3521 fn render_block(
3522 &self,
3523 block: &Block,
3524 available_width: AvailableSpace,
3525 block_id: BlockId,
3526 block_row_start: DisplayRow,
3527 snapshot: &EditorSnapshot,
3528 text_x: Pixels,
3529 rows: &Range<DisplayRow>,
3530 line_layouts: &[LineWithInvisibles],
3531 editor_margins: &EditorMargins,
3532 line_height: Pixels,
3533 em_width: Pixels,
3534 text_hitbox: &Hitbox,
3535 editor_width: Pixels,
3536 scroll_width: &mut Pixels,
3537 resized_blocks: &mut HashMap<CustomBlockId, u32>,
3538 row_block_types: &mut HashMap<DisplayRow, bool>,
3539 selections: &[Selection<Point>],
3540 selected_buffer_ids: &Vec<BufferId>,
3541 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3542 sticky_header_excerpt_id: Option<ExcerptId>,
3543 window: &mut Window,
3544 cx: &mut App,
3545 ) -> Option<(AnyElement, Size<Pixels>, DisplayRow, Pixels)> {
3546 let mut x_position = None;
3547 let mut element = match block {
3548 Block::Custom(custom) => {
3549 let block_start = custom.start().to_point(&snapshot.buffer_snapshot);
3550 let block_end = custom.end().to_point(&snapshot.buffer_snapshot);
3551 if block.place_near() && snapshot.is_line_folded(MultiBufferRow(block_start.row)) {
3552 return None;
3553 }
3554 let align_to = block_start.to_display_point(snapshot);
3555 let x_and_width = |layout: &LineWithInvisibles| {
3556 Some((
3557 text_x + layout.x_for_index(align_to.column() as usize),
3558 text_x + layout.width,
3559 ))
3560 };
3561 let line_ix = align_to.row().0.checked_sub(rows.start.0);
3562 x_position =
3563 if let Some(layout) = line_ix.and_then(|ix| line_layouts.get(ix as usize)) {
3564 x_and_width(layout)
3565 } else {
3566 x_and_width(&layout_line(
3567 align_to.row(),
3568 snapshot,
3569 &self.style,
3570 editor_width,
3571 is_row_soft_wrapped,
3572 window,
3573 cx,
3574 ))
3575 };
3576
3577 let anchor_x = x_position.unwrap().0;
3578
3579 let selected = selections
3580 .binary_search_by(|selection| {
3581 if selection.end <= block_start {
3582 Ordering::Less
3583 } else if selection.start >= block_end {
3584 Ordering::Greater
3585 } else {
3586 Ordering::Equal
3587 }
3588 })
3589 .is_ok();
3590
3591 div()
3592 .size_full()
3593 .child(custom.render(&mut BlockContext {
3594 window,
3595 app: cx,
3596 anchor_x,
3597 margins: editor_margins,
3598 line_height,
3599 em_width,
3600 block_id,
3601 selected,
3602 max_width: text_hitbox.size.width.max(*scroll_width),
3603 editor_style: &self.style,
3604 }))
3605 .into_any()
3606 }
3607
3608 Block::FoldedBuffer {
3609 first_excerpt,
3610 height,
3611 ..
3612 } => {
3613 let selected = selected_buffer_ids.contains(&first_excerpt.buffer_id);
3614 let result = v_flex().id(block_id).w_full().pr(editor_margins.right);
3615
3616 let jump_data = header_jump_data(snapshot, block_row_start, *height, first_excerpt);
3617 result
3618 .child(self.render_buffer_header(
3619 first_excerpt,
3620 true,
3621 selected,
3622 false,
3623 jump_data,
3624 window,
3625 cx,
3626 ))
3627 .into_any_element()
3628 }
3629
3630 Block::ExcerptBoundary { .. } => {
3631 let color = cx.theme().colors().clone();
3632 let mut result = v_flex().id(block_id).w_full();
3633
3634 result = result.child(
3635 h_flex().relative().child(
3636 div()
3637 .top(line_height / 2.)
3638 .absolute()
3639 .w_full()
3640 .h_px()
3641 .bg(color.border_variant),
3642 ),
3643 );
3644
3645 result.into_any()
3646 }
3647
3648 Block::BufferHeader { excerpt, height } => {
3649 let mut result = v_flex().id(block_id).w_full();
3650
3651 let jump_data = header_jump_data(snapshot, block_row_start, *height, excerpt);
3652
3653 if sticky_header_excerpt_id != Some(excerpt.id) {
3654 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
3655
3656 result = result.child(div().pr(editor_margins.right).child(
3657 self.render_buffer_header(
3658 excerpt, false, selected, false, jump_data, window, cx,
3659 ),
3660 ));
3661 } else {
3662 result =
3663 result.child(div().h(FILE_HEADER_HEIGHT as f32 * window.line_height()));
3664 }
3665
3666 result.into_any()
3667 }
3668 };
3669
3670 // Discover the element's content height, then round up to the nearest multiple of line height.
3671 let preliminary_size = element.layout_as_root(
3672 size(available_width, AvailableSpace::MinContent),
3673 window,
3674 cx,
3675 );
3676 let quantized_height = (preliminary_size.height / line_height).ceil() * line_height;
3677 let final_size = if preliminary_size.height == quantized_height {
3678 preliminary_size
3679 } else {
3680 element.layout_as_root(size(available_width, quantized_height.into()), window, cx)
3681 };
3682 let mut element_height_in_lines = ((final_size.height / line_height).ceil() as u32).max(1);
3683
3684 let mut row = block_row_start;
3685 let mut x_offset = px(0.);
3686 let mut is_block = true;
3687
3688 if let BlockId::Custom(custom_block_id) = block_id
3689 && block.has_height()
3690 {
3691 if block.place_near()
3692 && let Some((x_target, line_width)) = x_position
3693 {
3694 let margin = em_width * 2;
3695 if line_width + final_size.width + margin
3696 < editor_width + editor_margins.gutter.full_width()
3697 && !row_block_types.contains_key(&(row - 1))
3698 && element_height_in_lines == 1
3699 {
3700 x_offset = line_width + margin;
3701 row = row - 1;
3702 is_block = false;
3703 element_height_in_lines = 0;
3704 row_block_types.insert(row, is_block);
3705 } else {
3706 let max_offset =
3707 editor_width + editor_margins.gutter.full_width() - final_size.width;
3708 let min_offset = (x_target + em_width - final_size.width)
3709 .max(editor_margins.gutter.full_width());
3710 x_offset = x_target.min(max_offset).max(min_offset);
3711 }
3712 };
3713 if element_height_in_lines != block.height() {
3714 resized_blocks.insert(custom_block_id, element_height_in_lines);
3715 }
3716 }
3717 for i in 0..element_height_in_lines {
3718 row_block_types.insert(row + i, is_block);
3719 }
3720
3721 Some((element, final_size, row, x_offset))
3722 }
3723
3724 fn render_buffer_header(
3725 &self,
3726 for_excerpt: &ExcerptInfo,
3727 is_folded: bool,
3728 is_selected: bool,
3729 is_sticky: bool,
3730 jump_data: JumpData,
3731 window: &mut Window,
3732 cx: &mut App,
3733 ) -> impl IntoElement {
3734 let editor = self.editor.read(cx);
3735 let multi_buffer = editor.buffer.read(cx);
3736 let file_status = multi_buffer
3737 .all_diff_hunks_expanded()
3738 .then(|| {
3739 editor
3740 .project
3741 .as_ref()?
3742 .read(cx)
3743 .status_for_buffer_id(for_excerpt.buffer_id, cx)
3744 })
3745 .flatten();
3746 let indicator = multi_buffer
3747 .buffer(for_excerpt.buffer_id)
3748 .and_then(|buffer| {
3749 let buffer = buffer.read(cx);
3750 let indicator_color = match (buffer.has_conflict(), buffer.is_dirty()) {
3751 (true, _) => Some(Color::Warning),
3752 (_, true) => Some(Color::Accent),
3753 (false, false) => None,
3754 };
3755 indicator_color.map(|indicator_color| Indicator::dot().color(indicator_color))
3756 });
3757
3758 let include_root = editor
3759 .project
3760 .as_ref()
3761 .map(|project| project.read(cx).visible_worktrees(cx).count() > 1)
3762 .unwrap_or_default();
3763 let can_open_excerpts = Editor::can_open_excerpts_in_file(for_excerpt.buffer.file());
3764 let relative_path = for_excerpt.buffer.resolve_file_path(cx, include_root);
3765 let filename = relative_path
3766 .as_ref()
3767 .and_then(|path| Some(path.file_name()?.to_string_lossy().to_string()));
3768 let parent_path = relative_path.as_ref().and_then(|path| {
3769 Some(path.parent()?.to_string_lossy().to_string() + std::path::MAIN_SEPARATOR_STR)
3770 });
3771 let focus_handle = editor.focus_handle(cx);
3772 let colors = cx.theme().colors();
3773
3774 let header = div()
3775 .p_1()
3776 .w_full()
3777 .h(FILE_HEADER_HEIGHT as f32 * window.line_height())
3778 .child(
3779 h_flex()
3780 .size_full()
3781 .gap_2()
3782 .flex_basis(Length::Definite(DefiniteLength::Fraction(0.667)))
3783 .pl_0p5()
3784 .pr_5()
3785 .rounded_sm()
3786 .when(is_sticky, |el| el.shadow_md())
3787 .border_1()
3788 .map(|div| {
3789 let border_color = if is_selected
3790 && is_folded
3791 && focus_handle.contains_focused(window, cx)
3792 {
3793 colors.border_focused
3794 } else {
3795 colors.border
3796 };
3797 div.border_color(border_color)
3798 })
3799 .bg(colors.editor_subheader_background)
3800 .hover(|style| style.bg(colors.element_hover))
3801 .map(|header| {
3802 let editor = self.editor.clone();
3803 let buffer_id = for_excerpt.buffer_id;
3804 let toggle_chevron_icon =
3805 FileIcons::get_chevron_icon(!is_folded, cx).map(Icon::from_path);
3806 header.child(
3807 div()
3808 .hover(|style| style.bg(colors.element_selected))
3809 .rounded_xs()
3810 .child(
3811 ButtonLike::new("toggle-buffer-fold")
3812 .style(ui::ButtonStyle::Transparent)
3813 .height(px(28.).into())
3814 .width(px(28.))
3815 .children(toggle_chevron_icon)
3816 .tooltip({
3817 let focus_handle = focus_handle.clone();
3818 move |window, cx| {
3819 Tooltip::with_meta_in(
3820 "Toggle Excerpt Fold",
3821 Some(&ToggleFold),
3822 "Alt+click to toggle all",
3823 &focus_handle,
3824 window,
3825 cx,
3826 )
3827 }
3828 })
3829 .on_click(move |event, window, cx| {
3830 if event.modifiers().alt {
3831 // Alt+click toggles all buffers
3832 editor.update(cx, |editor, cx| {
3833 editor.toggle_fold_all(
3834 &ToggleFoldAll,
3835 window,
3836 cx,
3837 );
3838 });
3839 } else {
3840 // Regular click toggles single buffer
3841 if is_folded {
3842 editor.update(cx, |editor, cx| {
3843 editor.unfold_buffer(buffer_id, cx);
3844 });
3845 } else {
3846 editor.update(cx, |editor, cx| {
3847 editor.fold_buffer(buffer_id, cx);
3848 });
3849 }
3850 }
3851 }),
3852 ),
3853 )
3854 })
3855 .children(
3856 editor
3857 .addons
3858 .values()
3859 .filter_map(|addon| {
3860 addon.render_buffer_header_controls(for_excerpt, window, cx)
3861 })
3862 .take(1),
3863 )
3864 .child(
3865 h_flex()
3866 .size(Pixels(12.0))
3867 .justify_center()
3868 .children(indicator),
3869 )
3870 .child(
3871 h_flex()
3872 .cursor_pointer()
3873 .id("path header block")
3874 .size_full()
3875 .justify_between()
3876 .overflow_hidden()
3877 .child(
3878 h_flex()
3879 .gap_2()
3880 .map(|path_header| {
3881 let filename = filename
3882 .map(SharedString::from)
3883 .unwrap_or_else(|| "untitled".into());
3884
3885 path_header
3886 .when(ItemSettings::get_global(cx).file_icons, |el| {
3887 let path = path::Path::new(filename.as_str());
3888 let icon = FileIcons::get_icon(path, cx)
3889 .unwrap_or_default();
3890 let icon =
3891 Icon::from_path(icon).color(Color::Muted);
3892 el.child(icon)
3893 })
3894 .child(Label::new(filename).single_line().when_some(
3895 file_status,
3896 |el, status| {
3897 el.color(if status.is_conflicted() {
3898 Color::Conflict
3899 } else if status.is_modified() {
3900 Color::Modified
3901 } else if status.is_deleted() {
3902 Color::Disabled
3903 } else {
3904 Color::Created
3905 })
3906 .when(status.is_deleted(), |el| {
3907 el.strikethrough()
3908 })
3909 },
3910 ))
3911 })
3912 .when_some(parent_path, |then, path| {
3913 then.child(div().child(path).text_color(
3914 if file_status.is_some_and(FileStatus::is_deleted) {
3915 colors.text_disabled
3916 } else {
3917 colors.text_muted
3918 },
3919 ))
3920 }),
3921 )
3922 .when(
3923 can_open_excerpts && is_selected && relative_path.is_some(),
3924 |el| {
3925 el.child(
3926 h_flex()
3927 .id("jump-to-file-button")
3928 .gap_2p5()
3929 .child(Label::new("Jump To File"))
3930 .children(
3931 KeyBinding::for_action_in(
3932 &OpenExcerpts,
3933 &focus_handle,
3934 window,
3935 cx,
3936 )
3937 .map(|binding| binding.into_any_element()),
3938 ),
3939 )
3940 },
3941 )
3942 .on_mouse_down(MouseButton::Left, |_, _, cx| cx.stop_propagation())
3943 .on_click(window.listener_for(&self.editor, {
3944 move |editor, e: &ClickEvent, window, cx| {
3945 editor.open_excerpts_common(
3946 Some(jump_data.clone()),
3947 e.modifiers().secondary(),
3948 window,
3949 cx,
3950 );
3951 }
3952 })),
3953 ),
3954 );
3955
3956 let file = for_excerpt.buffer.file().cloned();
3957 let editor = self.editor.clone();
3958 right_click_menu("buffer-header-context-menu")
3959 .trigger(move |_, _, _| header)
3960 .menu(move |window, cx| {
3961 let menu_context = focus_handle.clone();
3962 let editor = editor.clone();
3963 let file = file.clone();
3964 ContextMenu::build(window, cx, move |mut menu, window, cx| {
3965 if let Some(file) = file
3966 && let Some(project) = editor.read(cx).project()
3967 && let Some(worktree) =
3968 project.read(cx).worktree_for_id(file.worktree_id(cx), cx)
3969 {
3970 let worktree = worktree.read(cx);
3971 let relative_path = file.path();
3972 let entry_for_path = worktree.entry_for_path(relative_path);
3973 let abs_path = entry_for_path.map(|e| {
3974 e.canonical_path.as_deref().map_or_else(
3975 || worktree.abs_path().join(relative_path),
3976 Path::to_path_buf,
3977 )
3978 });
3979 let has_relative_path = worktree.root_entry().is_some_and(Entry::is_dir);
3980
3981 let parent_abs_path = abs_path
3982 .as_ref()
3983 .and_then(|abs_path| Some(abs_path.parent()?.to_path_buf()));
3984 let relative_path = has_relative_path
3985 .then_some(relative_path)
3986 .map(ToOwned::to_owned);
3987
3988 let visible_in_project_panel =
3989 relative_path.is_some() && worktree.is_visible();
3990 let reveal_in_project_panel = entry_for_path
3991 .filter(|_| visible_in_project_panel)
3992 .map(|entry| entry.id);
3993 menu = menu
3994 .when_some(abs_path, |menu, abs_path| {
3995 menu.entry(
3996 "Copy Path",
3997 Some(Box::new(zed_actions::workspace::CopyPath)),
3998 window.handler_for(&editor, move |_, _, cx| {
3999 cx.write_to_clipboard(ClipboardItem::new_string(
4000 abs_path.to_string_lossy().to_string(),
4001 ));
4002 }),
4003 )
4004 })
4005 .when_some(relative_path, |menu, relative_path| {
4006 menu.entry(
4007 "Copy Relative Path",
4008 Some(Box::new(zed_actions::workspace::CopyRelativePath)),
4009 window.handler_for(&editor, move |_, _, cx| {
4010 cx.write_to_clipboard(ClipboardItem::new_string(
4011 relative_path.to_string_lossy().to_string(),
4012 ));
4013 }),
4014 )
4015 })
4016 .when(
4017 reveal_in_project_panel.is_some() || parent_abs_path.is_some(),
4018 |menu| menu.separator(),
4019 )
4020 .when_some(reveal_in_project_panel, |menu, entry_id| {
4021 menu.entry(
4022 "Reveal In Project Panel",
4023 Some(Box::new(RevealInProjectPanel::default())),
4024 window.handler_for(&editor, move |editor, _, cx| {
4025 if let Some(project) = &mut editor.project {
4026 project.update(cx, |_, cx| {
4027 cx.emit(project::Event::RevealInProjectPanel(
4028 entry_id,
4029 ))
4030 });
4031 }
4032 }),
4033 )
4034 })
4035 .when_some(parent_abs_path, |menu, parent_abs_path| {
4036 menu.entry(
4037 "Open in Terminal",
4038 Some(Box::new(OpenInTerminal)),
4039 window.handler_for(&editor, move |_, window, cx| {
4040 window.dispatch_action(
4041 OpenTerminal {
4042 working_directory: parent_abs_path.clone(),
4043 }
4044 .boxed_clone(),
4045 cx,
4046 );
4047 }),
4048 )
4049 });
4050 }
4051
4052 menu.context(menu_context)
4053 })
4054 })
4055 }
4056
4057 fn render_blocks(
4058 &self,
4059 rows: Range<DisplayRow>,
4060 snapshot: &EditorSnapshot,
4061 hitbox: &Hitbox,
4062 text_hitbox: &Hitbox,
4063 editor_width: Pixels,
4064 scroll_width: &mut Pixels,
4065 editor_margins: &EditorMargins,
4066 em_width: Pixels,
4067 text_x: Pixels,
4068 line_height: Pixels,
4069 line_layouts: &mut [LineWithInvisibles],
4070 selections: &[Selection<Point>],
4071 selected_buffer_ids: &Vec<BufferId>,
4072 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
4073 sticky_header_excerpt_id: Option<ExcerptId>,
4074 window: &mut Window,
4075 cx: &mut App,
4076 ) -> Result<(Vec<BlockLayout>, HashMap<DisplayRow, bool>), HashMap<CustomBlockId, u32>> {
4077 let (fixed_blocks, non_fixed_blocks) = snapshot
4078 .blocks_in_range(rows.clone())
4079 .partition::<Vec<_>, _>(|(_, block)| block.style() == BlockStyle::Fixed);
4080
4081 let mut focused_block = self
4082 .editor
4083 .update(cx, |editor, _| editor.take_focused_block());
4084 let mut fixed_block_max_width = Pixels::ZERO;
4085 let mut blocks = Vec::new();
4086 let mut resized_blocks = HashMap::default();
4087 let mut row_block_types = HashMap::default();
4088
4089 for (row, block) in fixed_blocks {
4090 let block_id = block.id();
4091
4092 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4093 focused_block = None;
4094 }
4095
4096 if let Some((element, element_size, row, x_offset)) = self.render_block(
4097 block,
4098 AvailableSpace::MinContent,
4099 block_id,
4100 row,
4101 snapshot,
4102 text_x,
4103 &rows,
4104 line_layouts,
4105 editor_margins,
4106 line_height,
4107 em_width,
4108 text_hitbox,
4109 editor_width,
4110 scroll_width,
4111 &mut resized_blocks,
4112 &mut row_block_types,
4113 selections,
4114 selected_buffer_ids,
4115 is_row_soft_wrapped,
4116 sticky_header_excerpt_id,
4117 window,
4118 cx,
4119 ) {
4120 fixed_block_max_width = fixed_block_max_width.max(element_size.width + em_width);
4121 blocks.push(BlockLayout {
4122 id: block_id,
4123 x_offset,
4124 row: Some(row),
4125 element,
4126 available_space: size(AvailableSpace::MinContent, element_size.height.into()),
4127 style: BlockStyle::Fixed,
4128 overlaps_gutter: true,
4129 is_buffer_header: block.is_buffer_header(),
4130 });
4131 }
4132 }
4133
4134 for (row, block) in non_fixed_blocks {
4135 let style = block.style();
4136 let width = match (style, block.place_near()) {
4137 (_, true) => AvailableSpace::MinContent,
4138 (BlockStyle::Sticky, _) => hitbox.size.width.into(),
4139 (BlockStyle::Flex, _) => hitbox
4140 .size
4141 .width
4142 .max(fixed_block_max_width)
4143 .max(editor_margins.gutter.width + *scroll_width)
4144 .into(),
4145 (BlockStyle::Fixed, _) => unreachable!(),
4146 };
4147 let block_id = block.id();
4148
4149 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4150 focused_block = None;
4151 }
4152
4153 if let Some((element, element_size, row, x_offset)) = self.render_block(
4154 block,
4155 width,
4156 block_id,
4157 row,
4158 snapshot,
4159 text_x,
4160 &rows,
4161 line_layouts,
4162 editor_margins,
4163 line_height,
4164 em_width,
4165 text_hitbox,
4166 editor_width,
4167 scroll_width,
4168 &mut resized_blocks,
4169 &mut row_block_types,
4170 selections,
4171 selected_buffer_ids,
4172 is_row_soft_wrapped,
4173 sticky_header_excerpt_id,
4174 window,
4175 cx,
4176 ) {
4177 blocks.push(BlockLayout {
4178 id: block_id,
4179 x_offset,
4180 row: Some(row),
4181 element,
4182 available_space: size(width, element_size.height.into()),
4183 style,
4184 overlaps_gutter: !block.place_near(),
4185 is_buffer_header: block.is_buffer_header(),
4186 });
4187 }
4188 }
4189
4190 if let Some(focused_block) = focused_block
4191 && let Some(focus_handle) = focused_block.focus_handle.upgrade()
4192 && focus_handle.is_focused(window)
4193 && let Some(block) = snapshot.block_for_id(focused_block.id)
4194 {
4195 let style = block.style();
4196 let width = match style {
4197 BlockStyle::Fixed => AvailableSpace::MinContent,
4198 BlockStyle::Flex => AvailableSpace::Definite(
4199 hitbox
4200 .size
4201 .width
4202 .max(fixed_block_max_width)
4203 .max(editor_margins.gutter.width + *scroll_width),
4204 ),
4205 BlockStyle::Sticky => AvailableSpace::Definite(hitbox.size.width),
4206 };
4207
4208 if let Some((element, element_size, _, x_offset)) = self.render_block(
4209 &block,
4210 width,
4211 focused_block.id,
4212 rows.end,
4213 snapshot,
4214 text_x,
4215 &rows,
4216 line_layouts,
4217 editor_margins,
4218 line_height,
4219 em_width,
4220 text_hitbox,
4221 editor_width,
4222 scroll_width,
4223 &mut resized_blocks,
4224 &mut row_block_types,
4225 selections,
4226 selected_buffer_ids,
4227 is_row_soft_wrapped,
4228 sticky_header_excerpt_id,
4229 window,
4230 cx,
4231 ) {
4232 blocks.push(BlockLayout {
4233 id: block.id(),
4234 x_offset,
4235 row: None,
4236 element,
4237 available_space: size(width, element_size.height.into()),
4238 style,
4239 overlaps_gutter: true,
4240 is_buffer_header: block.is_buffer_header(),
4241 });
4242 }
4243 }
4244
4245 if resized_blocks.is_empty() {
4246 *scroll_width =
4247 (*scroll_width).max(fixed_block_max_width - editor_margins.gutter.width);
4248 Ok((blocks, row_block_types))
4249 } else {
4250 Err(resized_blocks)
4251 }
4252 }
4253
4254 fn layout_blocks(
4255 &self,
4256 blocks: &mut Vec<BlockLayout>,
4257 hitbox: &Hitbox,
4258 line_height: Pixels,
4259 scroll_pixel_position: gpui::Point<Pixels>,
4260 window: &mut Window,
4261 cx: &mut App,
4262 ) {
4263 for block in blocks {
4264 let mut origin = if let Some(row) = block.row {
4265 hitbox.origin
4266 + point(
4267 block.x_offset,
4268 row.as_f32() * line_height - scroll_pixel_position.y,
4269 )
4270 } else {
4271 // Position the block outside the visible area
4272 hitbox.origin + point(Pixels::ZERO, hitbox.size.height)
4273 };
4274
4275 if !matches!(block.style, BlockStyle::Sticky) {
4276 origin += point(-scroll_pixel_position.x, Pixels::ZERO);
4277 }
4278
4279 let focus_handle =
4280 block
4281 .element
4282 .prepaint_as_root(origin, block.available_space, window, cx);
4283
4284 if let Some(focus_handle) = focus_handle {
4285 self.editor.update(cx, |editor, _cx| {
4286 editor.set_focused_block(FocusedBlock {
4287 id: block.id,
4288 focus_handle: focus_handle.downgrade(),
4289 });
4290 });
4291 }
4292 }
4293 }
4294
4295 fn layout_sticky_buffer_header(
4296 &self,
4297 StickyHeaderExcerpt { excerpt }: StickyHeaderExcerpt<'_>,
4298 scroll_position: f32,
4299 line_height: Pixels,
4300 right_margin: Pixels,
4301 snapshot: &EditorSnapshot,
4302 hitbox: &Hitbox,
4303 selected_buffer_ids: &Vec<BufferId>,
4304 blocks: &[BlockLayout],
4305 window: &mut Window,
4306 cx: &mut App,
4307 ) -> AnyElement {
4308 let jump_data = header_jump_data(
4309 snapshot,
4310 DisplayRow(scroll_position as u32),
4311 FILE_HEADER_HEIGHT + MULTI_BUFFER_EXCERPT_HEADER_HEIGHT,
4312 excerpt,
4313 );
4314
4315 let editor_bg_color = cx.theme().colors().editor_background;
4316
4317 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
4318
4319 let available_width = hitbox.bounds.size.width - right_margin;
4320
4321 let mut header = v_flex()
4322 .w_full()
4323 .relative()
4324 .child(
4325 div()
4326 .w(available_width)
4327 .h(FILE_HEADER_HEIGHT as f32 * line_height)
4328 .bg(linear_gradient(
4329 0.,
4330 linear_color_stop(editor_bg_color.opacity(0.), 0.),
4331 linear_color_stop(editor_bg_color, 0.6),
4332 ))
4333 .absolute()
4334 .top_0(),
4335 )
4336 .child(
4337 self.render_buffer_header(excerpt, false, selected, true, jump_data, window, cx)
4338 .into_any_element(),
4339 )
4340 .into_any_element();
4341
4342 let mut origin = hitbox.origin;
4343 // Move floating header up to avoid colliding with the next buffer header.
4344 for block in blocks.iter() {
4345 if !block.is_buffer_header {
4346 continue;
4347 }
4348
4349 let Some(display_row) = block.row.filter(|row| row.0 > scroll_position as u32) else {
4350 continue;
4351 };
4352
4353 let max_row = display_row.0.saturating_sub(FILE_HEADER_HEIGHT);
4354 let offset = scroll_position - max_row as f32;
4355
4356 if offset > 0.0 {
4357 origin.y -= offset * line_height;
4358 }
4359 break;
4360 }
4361
4362 let size = size(
4363 AvailableSpace::Definite(available_width),
4364 AvailableSpace::MinContent,
4365 );
4366
4367 header.prepaint_as_root(origin, size, window, cx);
4368
4369 header
4370 }
4371
4372 fn layout_cursor_popovers(
4373 &self,
4374 line_height: Pixels,
4375 text_hitbox: &Hitbox,
4376 content_origin: gpui::Point<Pixels>,
4377 right_margin: Pixels,
4378 start_row: DisplayRow,
4379 scroll_pixel_position: gpui::Point<Pixels>,
4380 line_layouts: &[LineWithInvisibles],
4381 cursor: DisplayPoint,
4382 cursor_point: Point,
4383 style: &EditorStyle,
4384 window: &mut Window,
4385 cx: &mut App,
4386 ) -> Option<ContextMenuLayout> {
4387 let mut min_menu_height = Pixels::ZERO;
4388 let mut max_menu_height = Pixels::ZERO;
4389 let mut height_above_menu = Pixels::ZERO;
4390 let height_below_menu = Pixels::ZERO;
4391 let mut edit_prediction_popover_visible = false;
4392 let mut context_menu_visible = false;
4393 let context_menu_placement;
4394
4395 {
4396 let editor = self.editor.read(cx);
4397 if editor.edit_prediction_visible_in_cursor_popover(editor.has_active_edit_prediction())
4398 {
4399 height_above_menu +=
4400 editor.edit_prediction_cursor_popover_height() + POPOVER_Y_PADDING;
4401 edit_prediction_popover_visible = true;
4402 }
4403
4404 if editor.context_menu_visible()
4405 && let Some(crate::ContextMenuOrigin::Cursor) = editor.context_menu_origin()
4406 {
4407 let (min_height_in_lines, max_height_in_lines) = editor
4408 .context_menu_options
4409 .as_ref()
4410 .map_or((3, 12), |options| {
4411 (options.min_entries_visible, options.max_entries_visible)
4412 });
4413
4414 min_menu_height += line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4415 max_menu_height += line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4416 context_menu_visible = true;
4417 }
4418 context_menu_placement = editor
4419 .context_menu_options
4420 .as_ref()
4421 .and_then(|options| options.placement.clone());
4422 }
4423
4424 let visible = edit_prediction_popover_visible || context_menu_visible;
4425 if !visible {
4426 return None;
4427 }
4428
4429 let cursor_row_layout = &line_layouts[cursor.row().minus(start_row) as usize];
4430 let target_position = content_origin
4431 + gpui::Point {
4432 x: cmp::max(
4433 px(0.),
4434 cursor_row_layout.x_for_index(cursor.column() as usize)
4435 - scroll_pixel_position.x,
4436 ),
4437 y: cmp::max(
4438 px(0.),
4439 cursor.row().next_row().as_f32() * line_height - scroll_pixel_position.y,
4440 ),
4441 };
4442
4443 let viewport_bounds =
4444 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4445 right: -right_margin - MENU_GAP,
4446 ..Default::default()
4447 });
4448
4449 let min_height = height_above_menu + min_menu_height + height_below_menu;
4450 let max_height = height_above_menu + max_menu_height + height_below_menu;
4451 let (laid_out_popovers, y_flipped) = self.layout_popovers_above_or_below_line(
4452 target_position,
4453 line_height,
4454 min_height,
4455 max_height,
4456 context_menu_placement,
4457 text_hitbox,
4458 viewport_bounds,
4459 window,
4460 cx,
4461 |height, max_width_for_stable_x, y_flipped, window, cx| {
4462 // First layout the menu to get its size - others can be at least this wide.
4463 let context_menu = if context_menu_visible {
4464 let menu_height = if y_flipped {
4465 height - height_below_menu
4466 } else {
4467 height - height_above_menu
4468 };
4469 let mut element = self
4470 .render_context_menu(line_height, menu_height, window, cx)
4471 .expect("Visible context menu should always render.");
4472 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4473 Some((CursorPopoverType::CodeContextMenu, element, size))
4474 } else {
4475 None
4476 };
4477 let min_width = context_menu
4478 .as_ref()
4479 .map_or(px(0.), |(_, _, size)| size.width);
4480 let max_width = max_width_for_stable_x.max(
4481 context_menu
4482 .as_ref()
4483 .map_or(px(0.), |(_, _, size)| size.width),
4484 );
4485
4486 let edit_prediction = if edit_prediction_popover_visible {
4487 self.editor.update(cx, move |editor, cx| {
4488 let accept_binding =
4489 editor.accept_edit_prediction_keybind(false, window, cx);
4490 let mut element = editor.render_edit_prediction_cursor_popover(
4491 min_width,
4492 max_width,
4493 cursor_point,
4494 style,
4495 accept_binding.keystroke(),
4496 window,
4497 cx,
4498 )?;
4499 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4500 Some((CursorPopoverType::EditPrediction, element, size))
4501 })
4502 } else {
4503 None
4504 };
4505 vec![edit_prediction, context_menu]
4506 .into_iter()
4507 .flatten()
4508 .collect::<Vec<_>>()
4509 },
4510 )?;
4511
4512 let (menu_ix, (_, menu_bounds)) = laid_out_popovers
4513 .iter()
4514 .find_position(|(x, _)| matches!(x, CursorPopoverType::CodeContextMenu))?;
4515 let last_ix = laid_out_popovers.len() - 1;
4516 let menu_is_last = menu_ix == last_ix;
4517 let first_popover_bounds = laid_out_popovers[0].1;
4518 let last_popover_bounds = laid_out_popovers[last_ix].1;
4519
4520 // Bounds to layout the aside around. When y_flipped, the aside goes either above or to the
4521 // right, and otherwise it goes below or to the right.
4522 let mut target_bounds = Bounds::from_corners(
4523 first_popover_bounds.origin,
4524 last_popover_bounds.bottom_right(),
4525 );
4526 target_bounds.size.width = menu_bounds.size.width;
4527
4528 // Like `target_bounds`, but with the max height it could occupy. Choosing an aside position
4529 // based on this is preferred for layout stability.
4530 let mut max_target_bounds = target_bounds;
4531 max_target_bounds.size.height = max_height;
4532 if y_flipped {
4533 max_target_bounds.origin.y -= max_height - target_bounds.size.height;
4534 }
4535
4536 // Add spacing around `target_bounds` and `max_target_bounds`.
4537 let mut extend_amount = Edges::all(MENU_GAP);
4538 if y_flipped {
4539 extend_amount.bottom = line_height;
4540 } else {
4541 extend_amount.top = line_height;
4542 }
4543 let target_bounds = target_bounds.extend(extend_amount);
4544 let max_target_bounds = max_target_bounds.extend(extend_amount);
4545
4546 let must_place_above_or_below =
4547 if y_flipped && !menu_is_last && menu_bounds.size.height < max_menu_height {
4548 laid_out_popovers[menu_ix + 1..]
4549 .iter()
4550 .any(|(_, popover_bounds)| popover_bounds.size.width > menu_bounds.size.width)
4551 } else {
4552 false
4553 };
4554
4555 let aside_bounds = self.layout_context_menu_aside(
4556 y_flipped,
4557 *menu_bounds,
4558 target_bounds,
4559 max_target_bounds,
4560 max_menu_height,
4561 must_place_above_or_below,
4562 text_hitbox,
4563 viewport_bounds,
4564 window,
4565 cx,
4566 );
4567
4568 if let Some(menu_bounds) = laid_out_popovers.iter().find_map(|(popover_type, bounds)| {
4569 if matches!(popover_type, CursorPopoverType::CodeContextMenu) {
4570 Some(*bounds)
4571 } else {
4572 None
4573 }
4574 }) {
4575 let bounds = if let Some(aside_bounds) = aside_bounds {
4576 menu_bounds.union(&aside_bounds)
4577 } else {
4578 menu_bounds
4579 };
4580 return Some(ContextMenuLayout { y_flipped, bounds });
4581 }
4582
4583 None
4584 }
4585
4586 fn layout_gutter_menu(
4587 &self,
4588 line_height: Pixels,
4589 text_hitbox: &Hitbox,
4590 content_origin: gpui::Point<Pixels>,
4591 right_margin: Pixels,
4592 scroll_pixel_position: gpui::Point<Pixels>,
4593 gutter_overshoot: Pixels,
4594 window: &mut Window,
4595 cx: &mut App,
4596 ) {
4597 let editor = self.editor.read(cx);
4598 if !editor.context_menu_visible() {
4599 return;
4600 }
4601 let Some(crate::ContextMenuOrigin::GutterIndicator(gutter_row)) =
4602 editor.context_menu_origin()
4603 else {
4604 return;
4605 };
4606 // Context menu was spawned via a click on a gutter. Ensure it's a bit closer to the
4607 // indicator than just a plain first column of the text field.
4608 let target_position = content_origin
4609 + gpui::Point {
4610 x: -gutter_overshoot,
4611 y: gutter_row.next_row().as_f32() * line_height - scroll_pixel_position.y,
4612 };
4613
4614 let (min_height_in_lines, max_height_in_lines) = editor
4615 .context_menu_options
4616 .as_ref()
4617 .map_or((3, 12), |options| {
4618 (options.min_entries_visible, options.max_entries_visible)
4619 });
4620
4621 let min_height = line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4622 let max_height = line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4623 let viewport_bounds =
4624 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4625 right: -right_margin - MENU_GAP,
4626 ..Default::default()
4627 });
4628 self.layout_popovers_above_or_below_line(
4629 target_position,
4630 line_height,
4631 min_height,
4632 max_height,
4633 editor
4634 .context_menu_options
4635 .as_ref()
4636 .and_then(|options| options.placement.clone()),
4637 text_hitbox,
4638 viewport_bounds,
4639 window,
4640 cx,
4641 move |height, _max_width_for_stable_x, _, window, cx| {
4642 let mut element = self
4643 .render_context_menu(line_height, height, window, cx)
4644 .expect("Visible context menu should always render.");
4645 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4646 vec![(CursorPopoverType::CodeContextMenu, element, size)]
4647 },
4648 );
4649 }
4650
4651 fn layout_popovers_above_or_below_line(
4652 &self,
4653 target_position: gpui::Point<Pixels>,
4654 line_height: Pixels,
4655 min_height: Pixels,
4656 max_height: Pixels,
4657 placement: Option<ContextMenuPlacement>,
4658 text_hitbox: &Hitbox,
4659 viewport_bounds: Bounds<Pixels>,
4660 window: &mut Window,
4661 cx: &mut App,
4662 make_sized_popovers: impl FnOnce(
4663 Pixels,
4664 Pixels,
4665 bool,
4666 &mut Window,
4667 &mut App,
4668 ) -> Vec<(CursorPopoverType, AnyElement, Size<Pixels>)>,
4669 ) -> Option<(Vec<(CursorPopoverType, Bounds<Pixels>)>, bool)> {
4670 let text_style = TextStyleRefinement {
4671 line_height: Some(DefiniteLength::Fraction(
4672 BufferLineHeight::Comfortable.value(),
4673 )),
4674 ..Default::default()
4675 };
4676 window.with_text_style(Some(text_style), |window| {
4677 // If the max height won't fit below and there is more space above, put it above the line.
4678 let bottom_y_when_flipped = target_position.y - line_height;
4679 let available_above = bottom_y_when_flipped - text_hitbox.top();
4680 let available_below = text_hitbox.bottom() - target_position.y;
4681 let y_overflows_below = max_height > available_below;
4682 let mut y_flipped = match placement {
4683 Some(ContextMenuPlacement::Above) => true,
4684 Some(ContextMenuPlacement::Below) => false,
4685 None => y_overflows_below && available_above > available_below,
4686 };
4687 let mut height = cmp::min(
4688 max_height,
4689 if y_flipped {
4690 available_above
4691 } else {
4692 available_below
4693 },
4694 );
4695
4696 // If the min height doesn't fit within text bounds, instead fit within the window.
4697 if height < min_height {
4698 let available_above = bottom_y_when_flipped;
4699 let available_below = viewport_bounds.bottom() - target_position.y;
4700 let (y_flipped_override, height_override) = match placement {
4701 Some(ContextMenuPlacement::Above) => {
4702 (true, cmp::min(available_above, min_height))
4703 }
4704 Some(ContextMenuPlacement::Below) => {
4705 (false, cmp::min(available_below, min_height))
4706 }
4707 None => {
4708 if available_below > min_height {
4709 (false, min_height)
4710 } else if available_above > min_height {
4711 (true, min_height)
4712 } else if available_above > available_below {
4713 (true, available_above)
4714 } else {
4715 (false, available_below)
4716 }
4717 }
4718 };
4719 y_flipped = y_flipped_override;
4720 height = height_override;
4721 }
4722
4723 let max_width_for_stable_x = viewport_bounds.right() - target_position.x;
4724
4725 // TODO: Use viewport_bounds.width as a max width so that it doesn't get clipped on the left
4726 // for very narrow windows.
4727 let popovers =
4728 make_sized_popovers(height, max_width_for_stable_x, y_flipped, window, cx);
4729 if popovers.is_empty() {
4730 return None;
4731 }
4732
4733 let max_width = popovers
4734 .iter()
4735 .map(|(_, _, size)| size.width)
4736 .max()
4737 .unwrap_or_default();
4738
4739 let mut current_position = gpui::Point {
4740 // Snap the right edge of the list to the right edge of the window if its horizontal bounds
4741 // overflow. Include space for the scrollbar.
4742 x: target_position
4743 .x
4744 .min((viewport_bounds.right() - max_width).max(Pixels::ZERO)),
4745 y: if y_flipped {
4746 bottom_y_when_flipped
4747 } else {
4748 target_position.y
4749 },
4750 };
4751
4752 let mut laid_out_popovers = popovers
4753 .into_iter()
4754 .map(|(popover_type, element, size)| {
4755 if y_flipped {
4756 current_position.y -= size.height;
4757 }
4758 let position = current_position;
4759 window.defer_draw(element, current_position, 1);
4760 if !y_flipped {
4761 current_position.y += size.height + MENU_GAP;
4762 } else {
4763 current_position.y -= MENU_GAP;
4764 }
4765 (popover_type, Bounds::new(position, size))
4766 })
4767 .collect::<Vec<_>>();
4768
4769 if y_flipped {
4770 laid_out_popovers.reverse();
4771 }
4772
4773 Some((laid_out_popovers, y_flipped))
4774 })
4775 }
4776
4777 fn layout_context_menu_aside(
4778 &self,
4779 y_flipped: bool,
4780 menu_bounds: Bounds<Pixels>,
4781 target_bounds: Bounds<Pixels>,
4782 max_target_bounds: Bounds<Pixels>,
4783 max_height: Pixels,
4784 must_place_above_or_below: bool,
4785 text_hitbox: &Hitbox,
4786 viewport_bounds: Bounds<Pixels>,
4787 window: &mut Window,
4788 cx: &mut App,
4789 ) -> Option<Bounds<Pixels>> {
4790 let available_within_viewport = target_bounds.space_within(&viewport_bounds);
4791 let positioned_aside = if available_within_viewport.right >= MENU_ASIDE_MIN_WIDTH
4792 && !must_place_above_or_below
4793 {
4794 let max_width = cmp::min(
4795 available_within_viewport.right - px(1.),
4796 MENU_ASIDE_MAX_WIDTH,
4797 );
4798 let mut aside = self.render_context_menu_aside(
4799 size(max_width, max_height - POPOVER_Y_PADDING),
4800 window,
4801 cx,
4802 )?;
4803 let size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4804 let right_position = point(target_bounds.right(), menu_bounds.origin.y);
4805 Some((aside, right_position, size))
4806 } else {
4807 let max_size = size(
4808 // TODO(mgsloan): Once the menu is bounded by viewport width the bound on viewport
4809 // won't be needed here.
4810 cmp::min(
4811 cmp::max(menu_bounds.size.width - px(2.), MENU_ASIDE_MIN_WIDTH),
4812 viewport_bounds.right(),
4813 ),
4814 cmp::min(
4815 max_height,
4816 cmp::max(
4817 available_within_viewport.top,
4818 available_within_viewport.bottom,
4819 ),
4820 ) - POPOVER_Y_PADDING,
4821 );
4822 let mut aside = self.render_context_menu_aside(max_size, window, cx)?;
4823 let actual_size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4824
4825 let top_position = point(
4826 menu_bounds.origin.x,
4827 target_bounds.top() - actual_size.height,
4828 );
4829 let bottom_position = point(menu_bounds.origin.x, target_bounds.bottom());
4830
4831 let fit_within = |available: Edges<Pixels>, wanted: Size<Pixels>| {
4832 // Prefer to fit on the same side of the line as the menu, then on the other side of
4833 // the line.
4834 if !y_flipped && wanted.height < available.bottom {
4835 Some(bottom_position)
4836 } else if !y_flipped && wanted.height < available.top {
4837 Some(top_position)
4838 } else if y_flipped && wanted.height < available.top {
4839 Some(top_position)
4840 } else if y_flipped && wanted.height < available.bottom {
4841 Some(bottom_position)
4842 } else {
4843 None
4844 }
4845 };
4846
4847 // Prefer choosing a direction using max sizes rather than actual size for stability.
4848 let available_within_text = max_target_bounds.space_within(&text_hitbox.bounds);
4849 let wanted = size(MENU_ASIDE_MAX_WIDTH, max_height);
4850 let aside_position = fit_within(available_within_text, wanted)
4851 // Fallback: fit max size in window.
4852 .or_else(|| fit_within(max_target_bounds.space_within(&viewport_bounds), wanted))
4853 // Fallback: fit actual size in window.
4854 .or_else(|| fit_within(available_within_viewport, actual_size));
4855
4856 aside_position.map(|position| (aside, position, actual_size))
4857 };
4858
4859 // Skip drawing if it doesn't fit anywhere.
4860 if let Some((aside, position, size)) = positioned_aside {
4861 let aside_bounds = Bounds::new(position, size);
4862 window.defer_draw(aside, position, 2);
4863 return Some(aside_bounds);
4864 }
4865
4866 None
4867 }
4868
4869 fn render_context_menu(
4870 &self,
4871 line_height: Pixels,
4872 height: Pixels,
4873 window: &mut Window,
4874 cx: &mut App,
4875 ) -> Option<AnyElement> {
4876 let max_height_in_lines = ((height - POPOVER_Y_PADDING) / line_height).floor() as u32;
4877 self.editor.update(cx, |editor, cx| {
4878 editor.render_context_menu(&self.style, max_height_in_lines, window, cx)
4879 })
4880 }
4881
4882 fn render_context_menu_aside(
4883 &self,
4884 max_size: Size<Pixels>,
4885 window: &mut Window,
4886 cx: &mut App,
4887 ) -> Option<AnyElement> {
4888 if max_size.width < px(100.) || max_size.height < px(12.) {
4889 None
4890 } else {
4891 self.editor.update(cx, |editor, cx| {
4892 editor.render_context_menu_aside(max_size, window, cx)
4893 })
4894 }
4895 }
4896
4897 fn layout_mouse_context_menu(
4898 &self,
4899 editor_snapshot: &EditorSnapshot,
4900 visible_range: Range<DisplayRow>,
4901 content_origin: gpui::Point<Pixels>,
4902 window: &mut Window,
4903 cx: &mut App,
4904 ) -> Option<AnyElement> {
4905 let position = self.editor.update(cx, |editor, _cx| {
4906 let visible_start_point = editor.display_to_pixel_point(
4907 DisplayPoint::new(visible_range.start, 0),
4908 editor_snapshot,
4909 window,
4910 )?;
4911 let visible_end_point = editor.display_to_pixel_point(
4912 DisplayPoint::new(visible_range.end, 0),
4913 editor_snapshot,
4914 window,
4915 )?;
4916
4917 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
4918 let (source_display_point, position) = match mouse_context_menu.position {
4919 MenuPosition::PinnedToScreen(point) => (None, point),
4920 MenuPosition::PinnedToEditor { source, offset } => {
4921 let source_display_point = source.to_display_point(editor_snapshot);
4922 let source_point = editor.to_pixel_point(source, editor_snapshot, window)?;
4923 let position = content_origin + source_point + offset;
4924 (Some(source_display_point), position)
4925 }
4926 };
4927
4928 let source_included = source_display_point.is_none_or(|source_display_point| {
4929 visible_range
4930 .to_inclusive()
4931 .contains(&source_display_point.row())
4932 });
4933 let position_included =
4934 visible_start_point.y <= position.y && position.y <= visible_end_point.y;
4935 if !source_included && !position_included {
4936 None
4937 } else {
4938 Some(position)
4939 }
4940 })?;
4941
4942 let text_style = TextStyleRefinement {
4943 line_height: Some(DefiniteLength::Fraction(
4944 BufferLineHeight::Comfortable.value(),
4945 )),
4946 ..Default::default()
4947 };
4948 window.with_text_style(Some(text_style), |window| {
4949 let mut element = self.editor.read_with(cx, |editor, _| {
4950 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
4951 let context_menu = mouse_context_menu.context_menu.clone();
4952
4953 Some(
4954 deferred(
4955 anchored()
4956 .position(position)
4957 .child(context_menu)
4958 .anchor(Corner::TopLeft)
4959 .snap_to_window_with_margin(px(8.)),
4960 )
4961 .with_priority(1)
4962 .into_any(),
4963 )
4964 })?;
4965
4966 element.prepaint_as_root(position, AvailableSpace::min_size(), window, cx);
4967 Some(element)
4968 })
4969 }
4970
4971 fn layout_hover_popovers(
4972 &self,
4973 snapshot: &EditorSnapshot,
4974 hitbox: &Hitbox,
4975 visible_display_row_range: Range<DisplayRow>,
4976 content_origin: gpui::Point<Pixels>,
4977 scroll_pixel_position: gpui::Point<Pixels>,
4978 line_layouts: &[LineWithInvisibles],
4979 line_height: Pixels,
4980 em_width: Pixels,
4981 context_menu_layout: Option<ContextMenuLayout>,
4982 window: &mut Window,
4983 cx: &mut App,
4984 ) {
4985 struct MeasuredHoverPopover {
4986 element: AnyElement,
4987 size: Size<Pixels>,
4988 horizontal_offset: Pixels,
4989 }
4990
4991 let max_size = size(
4992 (120. * em_width) // Default size
4993 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
4994 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
4995 (16. * line_height) // Default size
4996 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
4997 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
4998 );
4999
5000 let hover_popovers = self.editor.update(cx, |editor, cx| {
5001 editor.hover_state.render(
5002 snapshot,
5003 visible_display_row_range.clone(),
5004 max_size,
5005 window,
5006 cx,
5007 )
5008 });
5009 let Some((position, hover_popovers)) = hover_popovers else {
5010 return;
5011 };
5012
5013 // This is safe because we check on layout whether the required row is available
5014 let hovered_row_layout =
5015 &line_layouts[position.row().minus(visible_display_row_range.start) as usize];
5016
5017 // Compute Hovered Point
5018 let x =
5019 hovered_row_layout.x_for_index(position.column() as usize) - scroll_pixel_position.x;
5020 let y = position.row().as_f32() * line_height - scroll_pixel_position.y;
5021 let hovered_point = content_origin + point(x, y);
5022
5023 let mut overall_height = Pixels::ZERO;
5024 let mut measured_hover_popovers = Vec::new();
5025 for (position, mut hover_popover) in hover_popovers.into_iter().with_position() {
5026 let size = hover_popover.layout_as_root(AvailableSpace::min_size(), window, cx);
5027 let horizontal_offset =
5028 (hitbox.top_right().x - POPOVER_RIGHT_OFFSET - (hovered_point.x + size.width))
5029 .min(Pixels::ZERO);
5030 match position {
5031 itertools::Position::Middle | itertools::Position::Last => {
5032 overall_height += HOVER_POPOVER_GAP
5033 }
5034 _ => {}
5035 }
5036 overall_height += size.height;
5037 measured_hover_popovers.push(MeasuredHoverPopover {
5038 element: hover_popover,
5039 size,
5040 horizontal_offset,
5041 });
5042 }
5043
5044 fn draw_occluder(
5045 width: Pixels,
5046 origin: gpui::Point<Pixels>,
5047 window: &mut Window,
5048 cx: &mut App,
5049 ) {
5050 let mut occlusion = div()
5051 .size_full()
5052 .occlude()
5053 .on_mouse_move(|_, _, cx| cx.stop_propagation())
5054 .into_any_element();
5055 occlusion.layout_as_root(size(width, HOVER_POPOVER_GAP).into(), window, cx);
5056 window.defer_draw(occlusion, origin, 2);
5057 }
5058
5059 fn place_popovers_above(
5060 hovered_point: gpui::Point<Pixels>,
5061 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5062 window: &mut Window,
5063 cx: &mut App,
5064 ) {
5065 let mut current_y = hovered_point.y;
5066 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5067 let size = popover.size;
5068 let popover_origin = point(
5069 hovered_point.x + popover.horizontal_offset,
5070 current_y - size.height,
5071 );
5072
5073 window.defer_draw(popover.element, popover_origin, 2);
5074 if position != itertools::Position::Last {
5075 let origin = point(popover_origin.x, popover_origin.y - HOVER_POPOVER_GAP);
5076 draw_occluder(size.width, origin, window, cx);
5077 }
5078
5079 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5080 }
5081 }
5082
5083 fn place_popovers_below(
5084 hovered_point: gpui::Point<Pixels>,
5085 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5086 line_height: Pixels,
5087 window: &mut Window,
5088 cx: &mut App,
5089 ) {
5090 let mut current_y = hovered_point.y + line_height;
5091 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5092 let size = popover.size;
5093 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5094
5095 window.defer_draw(popover.element, popover_origin, 2);
5096 if position != itertools::Position::Last {
5097 let origin = point(popover_origin.x, popover_origin.y + size.height);
5098 draw_occluder(size.width, origin, window, cx);
5099 }
5100
5101 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5102 }
5103 }
5104
5105 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5106 context_menu_layout
5107 .as_ref()
5108 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5109 };
5110
5111 let can_place_above = {
5112 let mut bounds_above = Vec::new();
5113 let mut current_y = hovered_point.y;
5114 for popover in &measured_hover_popovers {
5115 let size = popover.size;
5116 let popover_origin = point(
5117 hovered_point.x + popover.horizontal_offset,
5118 current_y - size.height,
5119 );
5120 bounds_above.push(Bounds::new(popover_origin, size));
5121 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5122 }
5123 bounds_above
5124 .iter()
5125 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5126 };
5127
5128 let can_place_below = || {
5129 let mut bounds_below = Vec::new();
5130 let mut current_y = hovered_point.y + line_height;
5131 for popover in &measured_hover_popovers {
5132 let size = popover.size;
5133 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5134 bounds_below.push(Bounds::new(popover_origin, size));
5135 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5136 }
5137 bounds_below
5138 .iter()
5139 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5140 };
5141
5142 if can_place_above {
5143 // try placing above hovered point
5144 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5145 } else if can_place_below() {
5146 // try placing below hovered point
5147 place_popovers_below(
5148 hovered_point,
5149 measured_hover_popovers,
5150 line_height,
5151 window,
5152 cx,
5153 );
5154 } else {
5155 // try to place popovers around the context menu
5156 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5157 let total_width = measured_hover_popovers
5158 .iter()
5159 .map(|p| p.size.width)
5160 .max()
5161 .unwrap_or(Pixels::ZERO);
5162 let y_for_horizontal_positioning = if menu.y_flipped {
5163 menu.bounds.bottom() - overall_height
5164 } else {
5165 menu.bounds.top()
5166 };
5167 let possible_origins = vec![
5168 // left of context menu
5169 point(
5170 menu.bounds.left() - total_width - HOVER_POPOVER_GAP,
5171 y_for_horizontal_positioning,
5172 ),
5173 // right of context menu
5174 point(
5175 menu.bounds.right() + HOVER_POPOVER_GAP,
5176 y_for_horizontal_positioning,
5177 ),
5178 // top of context menu
5179 point(
5180 menu.bounds.left(),
5181 menu.bounds.top() - overall_height - HOVER_POPOVER_GAP,
5182 ),
5183 // bottom of context menu
5184 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5185 ];
5186 possible_origins.into_iter().find(|&origin| {
5187 Bounds::new(origin, size(total_width, overall_height))
5188 .is_contained_within(hitbox)
5189 })
5190 });
5191 if let Some(origin) = origin_surrounding_menu {
5192 let mut current_y = origin.y;
5193 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5194 let size = popover.size;
5195 let popover_origin = point(origin.x, current_y);
5196
5197 window.defer_draw(popover.element, popover_origin, 2);
5198 if position != itertools::Position::Last {
5199 let origin = point(popover_origin.x, popover_origin.y + size.height);
5200 draw_occluder(size.width, origin, window, cx);
5201 }
5202
5203 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5204 }
5205 } else {
5206 // fallback to existing above/below cursor logic
5207 // this might overlap menu or overflow in rare case
5208 if can_place_above {
5209 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5210 } else {
5211 place_popovers_below(
5212 hovered_point,
5213 measured_hover_popovers,
5214 line_height,
5215 window,
5216 cx,
5217 );
5218 }
5219 }
5220 }
5221 }
5222
5223 fn layout_diff_hunk_controls(
5224 &self,
5225 row_range: Range<DisplayRow>,
5226 row_infos: &[RowInfo],
5227 text_hitbox: &Hitbox,
5228 newest_cursor_position: Option<DisplayPoint>,
5229 line_height: Pixels,
5230 right_margin: Pixels,
5231 scroll_pixel_position: gpui::Point<Pixels>,
5232 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
5233 highlighted_rows: &BTreeMap<DisplayRow, LineHighlight>,
5234 editor: Entity<Editor>,
5235 window: &mut Window,
5236 cx: &mut App,
5237 ) -> (Vec<AnyElement>, Vec<(DisplayRow, Bounds<Pixels>)>) {
5238 let render_diff_hunk_controls = editor.read(cx).render_diff_hunk_controls.clone();
5239 let hovered_diff_hunk_row = editor.read(cx).hovered_diff_hunk_row;
5240
5241 let mut controls = vec![];
5242 let mut control_bounds = vec![];
5243
5244 let active_positions = [
5245 hovered_diff_hunk_row.map(|row| DisplayPoint::new(row, 0)),
5246 newest_cursor_position,
5247 ];
5248
5249 for (hunk, _) in display_hunks {
5250 if let DisplayDiffHunk::Unfolded {
5251 display_row_range,
5252 multi_buffer_range,
5253 status,
5254 is_created_file,
5255 ..
5256 } = &hunk
5257 {
5258 if display_row_range.start < row_range.start
5259 || display_row_range.start >= row_range.end
5260 {
5261 continue;
5262 }
5263 if highlighted_rows
5264 .get(&display_row_range.start)
5265 .and_then(|highlight| highlight.type_id)
5266 .is_some_and(|type_id| {
5267 [
5268 TypeId::of::<ConflictsOuter>(),
5269 TypeId::of::<ConflictsOursMarker>(),
5270 TypeId::of::<ConflictsOurs>(),
5271 TypeId::of::<ConflictsTheirs>(),
5272 TypeId::of::<ConflictsTheirsMarker>(),
5273 ]
5274 .contains(&type_id)
5275 })
5276 {
5277 continue;
5278 }
5279 let row_ix = (display_row_range.start - row_range.start).0 as usize;
5280 if row_infos[row_ix].diff_status.is_none() {
5281 continue;
5282 }
5283 if row_infos[row_ix]
5284 .diff_status
5285 .is_some_and(|status| status.is_added())
5286 && !status.is_added()
5287 {
5288 continue;
5289 }
5290
5291 if active_positions
5292 .iter()
5293 .any(|p| p.is_some_and(|p| display_row_range.contains(&p.row())))
5294 {
5295 let y = display_row_range.start.as_f32() * line_height
5296 + text_hitbox.bounds.top()
5297 - scroll_pixel_position.y;
5298
5299 let mut element = render_diff_hunk_controls(
5300 display_row_range.start.0,
5301 status,
5302 multi_buffer_range.clone(),
5303 *is_created_file,
5304 line_height,
5305 &editor,
5306 window,
5307 cx,
5308 );
5309 let size =
5310 element.layout_as_root(size(px(100.0), line_height).into(), window, cx);
5311
5312 let x = text_hitbox.bounds.right() - right_margin - px(10.) - size.width;
5313
5314 let bounds = Bounds::new(gpui::Point::new(x, y), size);
5315 control_bounds.push((display_row_range.start, bounds));
5316
5317 window.with_absolute_element_offset(gpui::Point::new(x, y), |window| {
5318 element.prepaint(window, cx)
5319 });
5320 controls.push(element);
5321 }
5322 }
5323 }
5324
5325 (controls, control_bounds)
5326 }
5327
5328 fn layout_signature_help(
5329 &self,
5330 hitbox: &Hitbox,
5331 content_origin: gpui::Point<Pixels>,
5332 scroll_pixel_position: gpui::Point<Pixels>,
5333 newest_selection_head: Option<DisplayPoint>,
5334 start_row: DisplayRow,
5335 line_layouts: &[LineWithInvisibles],
5336 line_height: Pixels,
5337 em_width: Pixels,
5338 context_menu_layout: Option<ContextMenuLayout>,
5339 window: &mut Window,
5340 cx: &mut App,
5341 ) {
5342 if !self.editor.focus_handle(cx).is_focused(window) {
5343 return;
5344 }
5345 let Some(newest_selection_head) = newest_selection_head else {
5346 return;
5347 };
5348
5349 let max_size = size(
5350 (120. * em_width) // Default size
5351 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5352 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5353 (16. * line_height) // Default size
5354 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5355 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5356 );
5357
5358 let maybe_element = self.editor.update(cx, |editor, cx| {
5359 if let Some(popover) = editor.signature_help_state.popover_mut() {
5360 let element = popover.render(max_size, window, cx);
5361 Some(element)
5362 } else {
5363 None
5364 }
5365 });
5366 let Some(mut element) = maybe_element else {
5367 return;
5368 };
5369
5370 let selection_row = newest_selection_head.row();
5371 let Some(cursor_row_layout) = (selection_row >= start_row)
5372 .then(|| line_layouts.get(selection_row.minus(start_row) as usize))
5373 .flatten()
5374 else {
5375 return;
5376 };
5377
5378 let target_x = cursor_row_layout.x_for_index(newest_selection_head.column() as usize)
5379 - scroll_pixel_position.x;
5380 let target_y = selection_row.as_f32() * line_height - scroll_pixel_position.y;
5381 let target_point = content_origin + point(target_x, target_y);
5382
5383 let actual_size = element.layout_as_root(Size::<AvailableSpace>::default(), window, cx);
5384
5385 let (popover_bounds_above, popover_bounds_below) = {
5386 let horizontal_offset = (hitbox.top_right().x
5387 - POPOVER_RIGHT_OFFSET
5388 - (target_point.x + actual_size.width))
5389 .min(Pixels::ZERO);
5390 let initial_x = target_point.x + horizontal_offset;
5391 (
5392 Bounds::new(
5393 point(initial_x, target_point.y - actual_size.height),
5394 actual_size,
5395 ),
5396 Bounds::new(
5397 point(initial_x, target_point.y + line_height + HOVER_POPOVER_GAP),
5398 actual_size,
5399 ),
5400 )
5401 };
5402
5403 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5404 context_menu_layout
5405 .as_ref()
5406 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5407 };
5408
5409 let final_origin = if popover_bounds_above.is_contained_within(hitbox)
5410 && !intersects_menu(popover_bounds_above)
5411 {
5412 // try placing above cursor
5413 popover_bounds_above.origin
5414 } else if popover_bounds_below.is_contained_within(hitbox)
5415 && !intersects_menu(popover_bounds_below)
5416 {
5417 // try placing below cursor
5418 popover_bounds_below.origin
5419 } else {
5420 // try surrounding context menu if exists
5421 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5422 let y_for_horizontal_positioning = if menu.y_flipped {
5423 menu.bounds.bottom() - actual_size.height
5424 } else {
5425 menu.bounds.top()
5426 };
5427 let possible_origins = vec![
5428 // left of context menu
5429 point(
5430 menu.bounds.left() - actual_size.width - HOVER_POPOVER_GAP,
5431 y_for_horizontal_positioning,
5432 ),
5433 // right of context menu
5434 point(
5435 menu.bounds.right() + HOVER_POPOVER_GAP,
5436 y_for_horizontal_positioning,
5437 ),
5438 // top of context menu
5439 point(
5440 menu.bounds.left(),
5441 menu.bounds.top() - actual_size.height - HOVER_POPOVER_GAP,
5442 ),
5443 // bottom of context menu
5444 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5445 ];
5446 possible_origins
5447 .into_iter()
5448 .find(|&origin| Bounds::new(origin, actual_size).is_contained_within(hitbox))
5449 });
5450 origin_surrounding_menu.unwrap_or_else(|| {
5451 // fallback to existing above/below cursor logic
5452 // this might overlap menu or overflow in rare case
5453 if popover_bounds_above.is_contained_within(hitbox) {
5454 popover_bounds_above.origin
5455 } else {
5456 popover_bounds_below.origin
5457 }
5458 })
5459 };
5460
5461 window.defer_draw(element, final_origin, 2);
5462 }
5463
5464 fn paint_background(&self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
5465 window.paint_layer(layout.hitbox.bounds, |window| {
5466 let scroll_top = layout.position_map.snapshot.scroll_position().y;
5467 let gutter_bg = cx.theme().colors().editor_gutter_background;
5468 window.paint_quad(fill(layout.gutter_hitbox.bounds, gutter_bg));
5469 window.paint_quad(fill(
5470 layout.position_map.text_hitbox.bounds,
5471 self.style.background,
5472 ));
5473
5474 if matches!(
5475 layout.mode,
5476 EditorMode::Full { .. } | EditorMode::Minimap { .. }
5477 ) {
5478 let show_active_line_background = match layout.mode {
5479 EditorMode::Full {
5480 show_active_line_background,
5481 ..
5482 } => show_active_line_background,
5483 EditorMode::Minimap { .. } => true,
5484 _ => false,
5485 };
5486 let mut active_rows = layout.active_rows.iter().peekable();
5487 while let Some((start_row, contains_non_empty_selection)) = active_rows.next() {
5488 let mut end_row = start_row.0;
5489 while active_rows
5490 .peek()
5491 .is_some_and(|(active_row, has_selection)| {
5492 active_row.0 == end_row + 1
5493 && has_selection.selection == contains_non_empty_selection.selection
5494 })
5495 {
5496 active_rows.next().unwrap();
5497 end_row += 1;
5498 }
5499
5500 if show_active_line_background && !contains_non_empty_selection.selection {
5501 let highlight_h_range =
5502 match layout.position_map.snapshot.current_line_highlight {
5503 CurrentLineHighlight::Gutter => Some(Range {
5504 start: layout.hitbox.left(),
5505 end: layout.gutter_hitbox.right(),
5506 }),
5507 CurrentLineHighlight::Line => Some(Range {
5508 start: layout.position_map.text_hitbox.bounds.left(),
5509 end: layout.position_map.text_hitbox.bounds.right(),
5510 }),
5511 CurrentLineHighlight::All => Some(Range {
5512 start: layout.hitbox.left(),
5513 end: layout.hitbox.right(),
5514 }),
5515 CurrentLineHighlight::None => None,
5516 };
5517 if let Some(range) = highlight_h_range {
5518 let active_line_bg = cx.theme().colors().editor_active_line_background;
5519 let bounds = Bounds {
5520 origin: point(
5521 range.start,
5522 layout.hitbox.origin.y
5523 + (start_row.as_f32() - scroll_top)
5524 * layout.position_map.line_height,
5525 ),
5526 size: size(
5527 range.end - range.start,
5528 layout.position_map.line_height
5529 * (end_row - start_row.0 + 1) as f32,
5530 ),
5531 };
5532 window.paint_quad(fill(bounds, active_line_bg));
5533 }
5534 }
5535 }
5536
5537 let mut paint_highlight = |highlight_row_start: DisplayRow,
5538 highlight_row_end: DisplayRow,
5539 highlight: crate::LineHighlight,
5540 edges| {
5541 let mut origin_x = layout.hitbox.left();
5542 let mut width = layout.hitbox.size.width;
5543 if !highlight.include_gutter {
5544 origin_x += layout.gutter_hitbox.size.width;
5545 width -= layout.gutter_hitbox.size.width;
5546 }
5547
5548 let origin = point(
5549 origin_x,
5550 layout.hitbox.origin.y
5551 + (highlight_row_start.as_f32() - scroll_top)
5552 * layout.position_map.line_height,
5553 );
5554 let size = size(
5555 width,
5556 layout.position_map.line_height
5557 * highlight_row_end.next_row().minus(highlight_row_start) as f32,
5558 );
5559 let mut quad = fill(Bounds { origin, size }, highlight.background);
5560 if let Some(border_color) = highlight.border {
5561 quad.border_color = border_color;
5562 quad.border_widths = edges
5563 }
5564 window.paint_quad(quad);
5565 };
5566
5567 let mut current_paint: Option<(LineHighlight, Range<DisplayRow>, Edges<Pixels>)> =
5568 None;
5569 for (&new_row, &new_background) in &layout.highlighted_rows {
5570 match &mut current_paint {
5571 &mut Some((current_background, ref mut current_range, mut edges)) => {
5572 let new_range_started = current_background != new_background
5573 || current_range.end.next_row() != new_row;
5574 if new_range_started {
5575 if current_range.end.next_row() == new_row {
5576 edges.bottom = px(0.);
5577 };
5578 paint_highlight(
5579 current_range.start,
5580 current_range.end,
5581 current_background,
5582 edges,
5583 );
5584 let edges = Edges {
5585 top: if current_range.end.next_row() != new_row {
5586 px(1.)
5587 } else {
5588 px(0.)
5589 },
5590 bottom: px(1.),
5591 ..Default::default()
5592 };
5593 current_paint = Some((new_background, new_row..new_row, edges));
5594 continue;
5595 } else {
5596 current_range.end = current_range.end.next_row();
5597 }
5598 }
5599 None => {
5600 let edges = Edges {
5601 top: px(1.),
5602 bottom: px(1.),
5603 ..Default::default()
5604 };
5605 current_paint = Some((new_background, new_row..new_row, edges))
5606 }
5607 };
5608 }
5609 if let Some((color, range, edges)) = current_paint {
5610 paint_highlight(range.start, range.end, color, edges);
5611 }
5612
5613 for (guide_x, active) in layout.wrap_guides.iter() {
5614 let color = if *active {
5615 cx.theme().colors().editor_active_wrap_guide
5616 } else {
5617 cx.theme().colors().editor_wrap_guide
5618 };
5619 window.paint_quad(fill(
5620 Bounds {
5621 origin: point(*guide_x, layout.position_map.text_hitbox.origin.y),
5622 size: size(px(1.), layout.position_map.text_hitbox.size.height),
5623 },
5624 color,
5625 ));
5626 }
5627 }
5628 })
5629 }
5630
5631 fn paint_indent_guides(
5632 &mut self,
5633 layout: &mut EditorLayout,
5634 window: &mut Window,
5635 cx: &mut App,
5636 ) {
5637 let Some(indent_guides) = &layout.indent_guides else {
5638 return;
5639 };
5640
5641 let faded_color = |color: Hsla, alpha: f32| {
5642 let mut faded = color;
5643 faded.a = alpha;
5644 faded
5645 };
5646
5647 for indent_guide in indent_guides {
5648 let indent_accent_colors = cx.theme().accents().color_for_index(indent_guide.depth);
5649 let settings = indent_guide.settings;
5650
5651 // TODO fixed for now, expose them through themes later
5652 const INDENT_AWARE_ALPHA: f32 = 0.2;
5653 const INDENT_AWARE_ACTIVE_ALPHA: f32 = 0.4;
5654 const INDENT_AWARE_BACKGROUND_ALPHA: f32 = 0.1;
5655 const INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA: f32 = 0.2;
5656
5657 let line_color = match (settings.coloring, indent_guide.active) {
5658 (IndentGuideColoring::Disabled, _) => None,
5659 (IndentGuideColoring::Fixed, false) => {
5660 Some(cx.theme().colors().editor_indent_guide)
5661 }
5662 (IndentGuideColoring::Fixed, true) => {
5663 Some(cx.theme().colors().editor_indent_guide_active)
5664 }
5665 (IndentGuideColoring::IndentAware, false) => {
5666 Some(faded_color(indent_accent_colors, INDENT_AWARE_ALPHA))
5667 }
5668 (IndentGuideColoring::IndentAware, true) => {
5669 Some(faded_color(indent_accent_colors, INDENT_AWARE_ACTIVE_ALPHA))
5670 }
5671 };
5672
5673 let background_color = match (settings.background_coloring, indent_guide.active) {
5674 (IndentGuideBackgroundColoring::Disabled, _) => None,
5675 (IndentGuideBackgroundColoring::IndentAware, false) => Some(faded_color(
5676 indent_accent_colors,
5677 INDENT_AWARE_BACKGROUND_ALPHA,
5678 )),
5679 (IndentGuideBackgroundColoring::IndentAware, true) => Some(faded_color(
5680 indent_accent_colors,
5681 INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA,
5682 )),
5683 };
5684
5685 let requested_line_width = if indent_guide.active {
5686 settings.active_line_width
5687 } else {
5688 settings.line_width
5689 }
5690 .clamp(1, 10);
5691 let mut line_indicator_width = 0.;
5692 if let Some(color) = line_color {
5693 window.paint_quad(fill(
5694 Bounds {
5695 origin: indent_guide.origin,
5696 size: size(px(requested_line_width as f32), indent_guide.length),
5697 },
5698 color,
5699 ));
5700 line_indicator_width = requested_line_width as f32;
5701 }
5702
5703 if let Some(color) = background_color {
5704 let width = indent_guide.single_indent_width - px(line_indicator_width);
5705 window.paint_quad(fill(
5706 Bounds {
5707 origin: point(
5708 indent_guide.origin.x + px(line_indicator_width),
5709 indent_guide.origin.y,
5710 ),
5711 size: size(width, indent_guide.length),
5712 },
5713 color,
5714 ));
5715 }
5716 }
5717 }
5718
5719 fn paint_line_numbers(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5720 let is_singleton = self.editor.read(cx).is_singleton(cx);
5721
5722 let line_height = layout.position_map.line_height;
5723 window.set_cursor_style(CursorStyle::Arrow, &layout.gutter_hitbox);
5724
5725 for LineNumberLayout {
5726 shaped_line,
5727 hitbox,
5728 } in layout.line_numbers.values()
5729 {
5730 let Some(hitbox) = hitbox else {
5731 continue;
5732 };
5733
5734 let Some(()) = (if !is_singleton && hitbox.is_hovered(window) {
5735 let color = cx.theme().colors().editor_hover_line_number;
5736
5737 let line = self.shape_line_number(shaped_line.text.clone(), color, window);
5738 line.paint(hitbox.origin, line_height, window, cx).log_err()
5739 } else {
5740 shaped_line
5741 .paint(hitbox.origin, line_height, window, cx)
5742 .log_err()
5743 }) else {
5744 continue;
5745 };
5746
5747 // In singleton buffers, we select corresponding lines on the line number click, so use | -like cursor.
5748 // In multi buffers, we open file at the line number clicked, so use a pointing hand cursor.
5749 if is_singleton {
5750 window.set_cursor_style(CursorStyle::IBeam, hitbox);
5751 } else {
5752 window.set_cursor_style(CursorStyle::PointingHand, hitbox);
5753 }
5754 }
5755 }
5756
5757 fn paint_gutter_diff_hunks(layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5758 if layout.display_hunks.is_empty() {
5759 return;
5760 }
5761
5762 let line_height = layout.position_map.line_height;
5763 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5764 for (hunk, hitbox) in &layout.display_hunks {
5765 let hunk_to_paint = match hunk {
5766 DisplayDiffHunk::Folded { .. } => {
5767 let hunk_bounds = Self::diff_hunk_bounds(
5768 &layout.position_map.snapshot,
5769 line_height,
5770 layout.gutter_hitbox.bounds,
5771 hunk,
5772 );
5773 Some((
5774 hunk_bounds,
5775 cx.theme().colors().version_control_modified,
5776 Corners::all(px(0.)),
5777 DiffHunkStatus::modified_none(),
5778 ))
5779 }
5780 DisplayDiffHunk::Unfolded {
5781 status,
5782 display_row_range,
5783 ..
5784 } => hitbox.as_ref().map(|hunk_hitbox| match status.kind {
5785 DiffHunkStatusKind::Added => (
5786 hunk_hitbox.bounds,
5787 cx.theme().colors().version_control_added,
5788 Corners::all(px(0.)),
5789 *status,
5790 ),
5791 DiffHunkStatusKind::Modified => (
5792 hunk_hitbox.bounds,
5793 cx.theme().colors().version_control_modified,
5794 Corners::all(px(0.)),
5795 *status,
5796 ),
5797 DiffHunkStatusKind::Deleted if !display_row_range.is_empty() => (
5798 hunk_hitbox.bounds,
5799 cx.theme().colors().version_control_deleted,
5800 Corners::all(px(0.)),
5801 *status,
5802 ),
5803 DiffHunkStatusKind::Deleted => (
5804 Bounds::new(
5805 point(
5806 hunk_hitbox.origin.x - hunk_hitbox.size.width,
5807 hunk_hitbox.origin.y,
5808 ),
5809 size(hunk_hitbox.size.width * 2., hunk_hitbox.size.height),
5810 ),
5811 cx.theme().colors().version_control_deleted,
5812 Corners::all(1. * line_height),
5813 *status,
5814 ),
5815 }),
5816 };
5817
5818 if let Some((hunk_bounds, background_color, corner_radii, status)) = hunk_to_paint {
5819 // Flatten the background color with the editor color to prevent
5820 // elements below transparent hunks from showing through
5821 let flattened_background_color = cx
5822 .theme()
5823 .colors()
5824 .editor_background
5825 .blend(background_color);
5826
5827 if !Self::diff_hunk_hollow(status, cx) {
5828 window.paint_quad(quad(
5829 hunk_bounds,
5830 corner_radii,
5831 flattened_background_color,
5832 Edges::default(),
5833 transparent_black(),
5834 BorderStyle::default(),
5835 ));
5836 } else {
5837 let flattened_unstaged_background_color = cx
5838 .theme()
5839 .colors()
5840 .editor_background
5841 .blend(background_color.opacity(0.3));
5842
5843 window.paint_quad(quad(
5844 hunk_bounds,
5845 corner_radii,
5846 flattened_unstaged_background_color,
5847 Edges::all(Pixels(1.0)),
5848 flattened_background_color,
5849 BorderStyle::Solid,
5850 ));
5851 }
5852 }
5853 }
5854 });
5855 }
5856
5857 fn gutter_strip_width(line_height: Pixels) -> Pixels {
5858 (0.275 * line_height).floor()
5859 }
5860
5861 fn diff_hunk_bounds(
5862 snapshot: &EditorSnapshot,
5863 line_height: Pixels,
5864 gutter_bounds: Bounds<Pixels>,
5865 hunk: &DisplayDiffHunk,
5866 ) -> Bounds<Pixels> {
5867 let scroll_position = snapshot.scroll_position();
5868 let scroll_top = scroll_position.y * line_height;
5869 let gutter_strip_width = Self::gutter_strip_width(line_height);
5870
5871 match hunk {
5872 DisplayDiffHunk::Folded { display_row, .. } => {
5873 let start_y = display_row.as_f32() * line_height - scroll_top;
5874 let end_y = start_y + line_height;
5875 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
5876 let highlight_size = size(gutter_strip_width, end_y - start_y);
5877 Bounds::new(highlight_origin, highlight_size)
5878 }
5879 DisplayDiffHunk::Unfolded {
5880 display_row_range,
5881 status,
5882 ..
5883 } => {
5884 if status.is_deleted() && display_row_range.is_empty() {
5885 let row = display_row_range.start;
5886
5887 let offset = line_height / 2.;
5888 let start_y = row.as_f32() * line_height - offset - scroll_top;
5889 let end_y = start_y + line_height;
5890
5891 let width = (0.35 * line_height).floor();
5892 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
5893 let highlight_size = size(width, end_y - start_y);
5894 Bounds::new(highlight_origin, highlight_size)
5895 } else {
5896 let start_row = display_row_range.start;
5897 let end_row = display_row_range.end;
5898 // If we're in a multibuffer, row range span might include an
5899 // excerpt header, so if we were to draw the marker straight away,
5900 // the hunk might include the rows of that header.
5901 // Making the range inclusive doesn't quite cut it, as we rely on the exclusivity for the soft wrap.
5902 // Instead, we simply check whether the range we're dealing with includes
5903 // any excerpt headers and if so, we stop painting the diff hunk on the first row of that header.
5904 let end_row_in_current_excerpt = snapshot
5905 .blocks_in_range(start_row..end_row)
5906 .find_map(|(start_row, block)| {
5907 if matches!(
5908 block,
5909 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
5910 ) {
5911 Some(start_row)
5912 } else {
5913 None
5914 }
5915 })
5916 .unwrap_or(end_row);
5917
5918 let start_y = start_row.as_f32() * line_height - scroll_top;
5919 let end_y = end_row_in_current_excerpt.as_f32() * line_height - scroll_top;
5920
5921 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
5922 let highlight_size = size(gutter_strip_width, end_y - start_y);
5923 Bounds::new(highlight_origin, highlight_size)
5924 }
5925 }
5926 }
5927 }
5928
5929 fn paint_gutter_indicators(
5930 &self,
5931 layout: &mut EditorLayout,
5932 window: &mut Window,
5933 cx: &mut App,
5934 ) {
5935 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5936 window.with_element_namespace("crease_toggles", |window| {
5937 for crease_toggle in layout.crease_toggles.iter_mut().flatten() {
5938 crease_toggle.paint(window, cx);
5939 }
5940 });
5941
5942 window.with_element_namespace("expand_toggles", |window| {
5943 for (expand_toggle, _) in layout.expand_toggles.iter_mut().flatten() {
5944 expand_toggle.paint(window, cx);
5945 }
5946 });
5947
5948 for breakpoint in layout.breakpoints.iter_mut() {
5949 breakpoint.paint(window, cx);
5950 }
5951
5952 for test_indicator in layout.test_indicators.iter_mut() {
5953 test_indicator.paint(window, cx);
5954 }
5955 });
5956 }
5957
5958 fn paint_gutter_highlights(
5959 &self,
5960 layout: &mut EditorLayout,
5961 window: &mut Window,
5962 cx: &mut App,
5963 ) {
5964 for (_, hunk_hitbox) in &layout.display_hunks {
5965 if let Some(hunk_hitbox) = hunk_hitbox
5966 && !self
5967 .editor
5968 .read(cx)
5969 .buffer()
5970 .read(cx)
5971 .all_diff_hunks_expanded()
5972 {
5973 window.set_cursor_style(CursorStyle::PointingHand, hunk_hitbox);
5974 }
5975 }
5976
5977 let show_git_gutter = layout
5978 .position_map
5979 .snapshot
5980 .show_git_diff_gutter
5981 .unwrap_or_else(|| {
5982 matches!(
5983 ProjectSettings::get_global(cx).git.git_gutter,
5984 Some(GitGutterSetting::TrackedFiles)
5985 )
5986 });
5987 if show_git_gutter {
5988 Self::paint_gutter_diff_hunks(layout, window, cx)
5989 }
5990
5991 let highlight_width = 0.275 * layout.position_map.line_height;
5992 let highlight_corner_radii = Corners::all(0.05 * layout.position_map.line_height);
5993 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5994 for (range, color) in &layout.highlighted_gutter_ranges {
5995 let start_row = if range.start.row() < layout.visible_display_row_range.start {
5996 layout.visible_display_row_range.start - DisplayRow(1)
5997 } else {
5998 range.start.row()
5999 };
6000 let end_row = if range.end.row() > layout.visible_display_row_range.end {
6001 layout.visible_display_row_range.end + DisplayRow(1)
6002 } else {
6003 range.end.row()
6004 };
6005
6006 let start_y = layout.gutter_hitbox.top()
6007 + start_row.0 as f32 * layout.position_map.line_height
6008 - layout.position_map.scroll_pixel_position.y;
6009 let end_y = layout.gutter_hitbox.top()
6010 + (end_row.0 + 1) as f32 * layout.position_map.line_height
6011 - layout.position_map.scroll_pixel_position.y;
6012 let bounds = Bounds::from_corners(
6013 point(layout.gutter_hitbox.left(), start_y),
6014 point(layout.gutter_hitbox.left() + highlight_width, end_y),
6015 );
6016 window.paint_quad(fill(bounds, *color).corner_radii(highlight_corner_radii));
6017 }
6018 });
6019 }
6020
6021 fn paint_blamed_display_rows(
6022 &self,
6023 layout: &mut EditorLayout,
6024 window: &mut Window,
6025 cx: &mut App,
6026 ) {
6027 let Some(blamed_display_rows) = layout.blamed_display_rows.take() else {
6028 return;
6029 };
6030
6031 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6032 for mut blame_element in blamed_display_rows.into_iter() {
6033 blame_element.paint(window, cx);
6034 }
6035 })
6036 }
6037
6038 fn paint_text(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6039 window.with_content_mask(
6040 Some(ContentMask {
6041 bounds: layout.position_map.text_hitbox.bounds,
6042 ..Default::default()
6043 }),
6044 |window| {
6045 let editor = self.editor.read(cx);
6046 if editor.mouse_cursor_hidden {
6047 window.set_window_cursor_style(CursorStyle::None);
6048 } else if let SelectionDragState::ReadyToDrag {
6049 mouse_down_time, ..
6050 } = &editor.selection_drag_state
6051 {
6052 let drag_and_drop_delay = Duration::from_millis(
6053 EditorSettings::get_global(cx).drag_and_drop_selection.delay,
6054 );
6055 if mouse_down_time.elapsed() >= drag_and_drop_delay {
6056 window.set_cursor_style(
6057 CursorStyle::DragCopy,
6058 &layout.position_map.text_hitbox,
6059 );
6060 }
6061 } else if matches!(
6062 editor.selection_drag_state,
6063 SelectionDragState::Dragging { .. }
6064 ) {
6065 window
6066 .set_cursor_style(CursorStyle::DragCopy, &layout.position_map.text_hitbox);
6067 } else if editor
6068 .hovered_link_state
6069 .as_ref()
6070 .is_some_and(|hovered_link_state| !hovered_link_state.links.is_empty())
6071 {
6072 window.set_cursor_style(
6073 CursorStyle::PointingHand,
6074 &layout.position_map.text_hitbox,
6075 );
6076 } else {
6077 window.set_cursor_style(CursorStyle::IBeam, &layout.position_map.text_hitbox);
6078 };
6079
6080 self.paint_lines_background(layout, window, cx);
6081 let invisible_display_ranges = self.paint_highlights(layout, window, cx);
6082 self.paint_document_colors(layout, window);
6083 self.paint_lines(&invisible_display_ranges, layout, window, cx);
6084 self.paint_redactions(layout, window);
6085 self.paint_cursors(layout, window, cx);
6086 self.paint_inline_diagnostics(layout, window, cx);
6087 self.paint_inline_blame(layout, window, cx);
6088 self.paint_inline_code_actions(layout, window, cx);
6089 self.paint_diff_hunk_controls(layout, window, cx);
6090 window.with_element_namespace("crease_trailers", |window| {
6091 for trailer in layout.crease_trailers.iter_mut().flatten() {
6092 trailer.element.paint(window, cx);
6093 }
6094 });
6095 },
6096 )
6097 }
6098
6099 fn paint_highlights(
6100 &mut self,
6101 layout: &mut EditorLayout,
6102 window: &mut Window,
6103 cx: &mut App,
6104 ) -> SmallVec<[Range<DisplayPoint>; 32]> {
6105 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6106 let mut invisible_display_ranges = SmallVec::<[Range<DisplayPoint>; 32]>::new();
6107 let line_end_overshoot = 0.15 * layout.position_map.line_height;
6108 for (range, color) in &layout.highlighted_ranges {
6109 self.paint_highlighted_range(
6110 range.clone(),
6111 true,
6112 *color,
6113 Pixels::ZERO,
6114 line_end_overshoot,
6115 layout,
6116 window,
6117 );
6118 }
6119
6120 let corner_radius = if EditorSettings::get_global(cx).rounded_selection {
6121 0.15 * layout.position_map.line_height
6122 } else {
6123 Pixels::ZERO
6124 };
6125
6126 for (player_color, selections) in &layout.selections {
6127 for selection in selections.iter() {
6128 self.paint_highlighted_range(
6129 selection.range.clone(),
6130 true,
6131 player_color.selection,
6132 corner_radius,
6133 corner_radius * 2.,
6134 layout,
6135 window,
6136 );
6137
6138 if selection.is_local && !selection.range.is_empty() {
6139 invisible_display_ranges.push(selection.range.clone());
6140 }
6141 }
6142 }
6143 invisible_display_ranges
6144 })
6145 }
6146
6147 fn paint_lines(
6148 &mut self,
6149 invisible_display_ranges: &[Range<DisplayPoint>],
6150 layout: &mut EditorLayout,
6151 window: &mut Window,
6152 cx: &mut App,
6153 ) {
6154 let whitespace_setting = self
6155 .editor
6156 .read(cx)
6157 .buffer
6158 .read(cx)
6159 .language_settings(cx)
6160 .show_whitespaces;
6161
6162 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6163 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6164 line_with_invisibles.draw(
6165 layout,
6166 row,
6167 layout.content_origin,
6168 whitespace_setting,
6169 invisible_display_ranges,
6170 window,
6171 cx,
6172 )
6173 }
6174
6175 for line_element in &mut layout.line_elements {
6176 line_element.paint(window, cx);
6177 }
6178 }
6179
6180 fn paint_lines_background(
6181 &mut self,
6182 layout: &mut EditorLayout,
6183 window: &mut Window,
6184 cx: &mut App,
6185 ) {
6186 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6187 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6188 line_with_invisibles.draw_background(layout, row, layout.content_origin, window, cx);
6189 }
6190 }
6191
6192 fn paint_redactions(&mut self, layout: &EditorLayout, window: &mut Window) {
6193 if layout.redacted_ranges.is_empty() {
6194 return;
6195 }
6196
6197 let line_end_overshoot = layout.line_end_overshoot();
6198
6199 // A softer than perfect black
6200 let redaction_color = gpui::rgb(0x0e1111);
6201
6202 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6203 for range in layout.redacted_ranges.iter() {
6204 self.paint_highlighted_range(
6205 range.clone(),
6206 true,
6207 redaction_color.into(),
6208 Pixels::ZERO,
6209 line_end_overshoot,
6210 layout,
6211 window,
6212 );
6213 }
6214 });
6215 }
6216
6217 fn paint_document_colors(&self, layout: &mut EditorLayout, window: &mut Window) {
6218 let Some((colors_render_mode, image_colors)) = &layout.document_colors else {
6219 return;
6220 };
6221 if image_colors.is_empty()
6222 || colors_render_mode == &DocumentColorsRenderMode::None
6223 || colors_render_mode == &DocumentColorsRenderMode::Inlay
6224 {
6225 return;
6226 }
6227
6228 let line_end_overshoot = layout.line_end_overshoot();
6229
6230 for (range, color) in image_colors {
6231 match colors_render_mode {
6232 DocumentColorsRenderMode::Inlay | DocumentColorsRenderMode::None => return,
6233 DocumentColorsRenderMode::Background => {
6234 self.paint_highlighted_range(
6235 range.clone(),
6236 true,
6237 *color,
6238 Pixels::ZERO,
6239 line_end_overshoot,
6240 layout,
6241 window,
6242 );
6243 }
6244 DocumentColorsRenderMode::Border => {
6245 self.paint_highlighted_range(
6246 range.clone(),
6247 false,
6248 *color,
6249 Pixels::ZERO,
6250 line_end_overshoot,
6251 layout,
6252 window,
6253 );
6254 }
6255 }
6256 }
6257 }
6258
6259 fn paint_cursors(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6260 for cursor in &mut layout.visible_cursors {
6261 cursor.paint(layout.content_origin, window, cx);
6262 }
6263 }
6264
6265 fn paint_scrollbars(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6266 let Some(scrollbars_layout) = layout.scrollbars_layout.take() else {
6267 return;
6268 };
6269 let any_scrollbar_dragged = self.editor.read(cx).scroll_manager.any_scrollbar_dragged();
6270
6271 for (scrollbar_layout, axis) in scrollbars_layout.iter_scrollbars() {
6272 let hitbox = &scrollbar_layout.hitbox;
6273 if scrollbars_layout.visible {
6274 let scrollbar_edges = match axis {
6275 ScrollbarAxis::Horizontal => Edges {
6276 top: Pixels::ZERO,
6277 right: Pixels::ZERO,
6278 bottom: Pixels::ZERO,
6279 left: Pixels::ZERO,
6280 },
6281 ScrollbarAxis::Vertical => Edges {
6282 top: Pixels::ZERO,
6283 right: Pixels::ZERO,
6284 bottom: Pixels::ZERO,
6285 left: ScrollbarLayout::BORDER_WIDTH,
6286 },
6287 };
6288
6289 window.paint_layer(hitbox.bounds, |window| {
6290 window.paint_quad(quad(
6291 hitbox.bounds,
6292 Corners::default(),
6293 cx.theme().colors().scrollbar_track_background,
6294 scrollbar_edges,
6295 cx.theme().colors().scrollbar_track_border,
6296 BorderStyle::Solid,
6297 ));
6298
6299 if axis == ScrollbarAxis::Vertical {
6300 let fast_markers =
6301 self.collect_fast_scrollbar_markers(layout, scrollbar_layout, cx);
6302 // Refresh slow scrollbar markers in the background. Below, we
6303 // paint whatever markers have already been computed.
6304 self.refresh_slow_scrollbar_markers(layout, scrollbar_layout, window, cx);
6305
6306 let markers = self.editor.read(cx).scrollbar_marker_state.markers.clone();
6307 for marker in markers.iter().chain(&fast_markers) {
6308 let mut marker = marker.clone();
6309 marker.bounds.origin += hitbox.origin;
6310 window.paint_quad(marker);
6311 }
6312 }
6313
6314 if let Some(thumb_bounds) = scrollbar_layout.thumb_bounds {
6315 let scrollbar_thumb_color = match scrollbar_layout.thumb_state {
6316 ScrollbarThumbState::Dragging => {
6317 cx.theme().colors().scrollbar_thumb_active_background
6318 }
6319 ScrollbarThumbState::Hovered => {
6320 cx.theme().colors().scrollbar_thumb_hover_background
6321 }
6322 ScrollbarThumbState::Idle => {
6323 cx.theme().colors().scrollbar_thumb_background
6324 }
6325 };
6326 window.paint_quad(quad(
6327 thumb_bounds,
6328 Corners::default(),
6329 scrollbar_thumb_color,
6330 scrollbar_edges,
6331 cx.theme().colors().scrollbar_thumb_border,
6332 BorderStyle::Solid,
6333 ));
6334
6335 if any_scrollbar_dragged {
6336 window.set_window_cursor_style(CursorStyle::Arrow);
6337 } else {
6338 window.set_cursor_style(CursorStyle::Arrow, hitbox);
6339 }
6340 }
6341 })
6342 }
6343 }
6344
6345 window.on_mouse_event({
6346 let editor = self.editor.clone();
6347 let scrollbars_layout = scrollbars_layout.clone();
6348
6349 let mut mouse_position = window.mouse_position();
6350 move |event: &MouseMoveEvent, phase, window, cx| {
6351 if phase == DispatchPhase::Capture {
6352 return;
6353 }
6354
6355 editor.update(cx, |editor, cx| {
6356 if let Some((scrollbar_layout, axis)) = event
6357 .pressed_button
6358 .filter(|button| *button == MouseButton::Left)
6359 .and(editor.scroll_manager.dragging_scrollbar_axis())
6360 .and_then(|axis| {
6361 scrollbars_layout
6362 .iter_scrollbars()
6363 .find(|(_, a)| *a == axis)
6364 })
6365 {
6366 let ScrollbarLayout {
6367 hitbox,
6368 text_unit_size,
6369 ..
6370 } = scrollbar_layout;
6371
6372 let old_position = mouse_position.along(axis);
6373 let new_position = event.position.along(axis);
6374 if (hitbox.origin.along(axis)..hitbox.bottom_right().along(axis))
6375 .contains(&old_position)
6376 {
6377 let position = editor.scroll_position(cx).apply_along(axis, |p| {
6378 (p + (new_position - old_position) / *text_unit_size).max(0.)
6379 });
6380 editor.set_scroll_position(position, window, cx);
6381 }
6382
6383 editor.scroll_manager.show_scrollbars(window, cx);
6384 cx.stop_propagation();
6385 } else if let Some((layout, axis)) = scrollbars_layout
6386 .get_hovered_axis(window)
6387 .filter(|_| !event.dragging())
6388 {
6389 if layout.thumb_hovered(&event.position) {
6390 editor
6391 .scroll_manager
6392 .set_hovered_scroll_thumb_axis(axis, cx);
6393 } else {
6394 editor.scroll_manager.reset_scrollbar_state(cx);
6395 }
6396
6397 editor.scroll_manager.show_scrollbars(window, cx);
6398 } else {
6399 editor.scroll_manager.reset_scrollbar_state(cx);
6400 }
6401
6402 mouse_position = event.position;
6403 })
6404 }
6405 });
6406
6407 if any_scrollbar_dragged {
6408 window.on_mouse_event({
6409 let editor = self.editor.clone();
6410 move |_: &MouseUpEvent, phase, window, cx| {
6411 if phase == DispatchPhase::Capture {
6412 return;
6413 }
6414
6415 editor.update(cx, |editor, cx| {
6416 if let Some((_, axis)) = scrollbars_layout.get_hovered_axis(window) {
6417 editor
6418 .scroll_manager
6419 .set_hovered_scroll_thumb_axis(axis, cx);
6420 } else {
6421 editor.scroll_manager.reset_scrollbar_state(cx);
6422 }
6423 cx.stop_propagation();
6424 });
6425 }
6426 });
6427 } else {
6428 window.on_mouse_event({
6429 let editor = self.editor.clone();
6430
6431 move |event: &MouseDownEvent, phase, window, cx| {
6432 if phase == DispatchPhase::Capture {
6433 return;
6434 }
6435 let Some((scrollbar_layout, axis)) = scrollbars_layout.get_hovered_axis(window)
6436 else {
6437 return;
6438 };
6439
6440 let ScrollbarLayout {
6441 hitbox,
6442 visible_range,
6443 text_unit_size,
6444 thumb_bounds,
6445 ..
6446 } = scrollbar_layout;
6447
6448 let Some(thumb_bounds) = thumb_bounds else {
6449 return;
6450 };
6451
6452 editor.update(cx, |editor, cx| {
6453 editor
6454 .scroll_manager
6455 .set_dragged_scroll_thumb_axis(axis, cx);
6456
6457 let event_position = event.position.along(axis);
6458
6459 if event_position < thumb_bounds.origin.along(axis)
6460 || thumb_bounds.bottom_right().along(axis) < event_position
6461 {
6462 let center_position = ((event_position - hitbox.origin.along(axis))
6463 / *text_unit_size)
6464 .round() as u32;
6465 let start_position = center_position.saturating_sub(
6466 (visible_range.end - visible_range.start) as u32 / 2,
6467 );
6468
6469 let position = editor
6470 .scroll_position(cx)
6471 .apply_along(axis, |_| start_position as f32);
6472
6473 editor.set_scroll_position(position, window, cx);
6474 } else {
6475 editor.scroll_manager.show_scrollbars(window, cx);
6476 }
6477
6478 cx.stop_propagation();
6479 });
6480 }
6481 });
6482 }
6483 }
6484
6485 fn collect_fast_scrollbar_markers(
6486 &self,
6487 layout: &EditorLayout,
6488 scrollbar_layout: &ScrollbarLayout,
6489 cx: &mut App,
6490 ) -> Vec<PaintQuad> {
6491 const LIMIT: usize = 100;
6492 if !EditorSettings::get_global(cx).scrollbar.cursors || layout.cursors.len() > LIMIT {
6493 return vec![];
6494 }
6495 let cursor_ranges = layout
6496 .cursors
6497 .iter()
6498 .map(|(point, color)| ColoredRange {
6499 start: point.row(),
6500 end: point.row(),
6501 color: *color,
6502 })
6503 .collect_vec();
6504 scrollbar_layout.marker_quads_for_ranges(cursor_ranges, None)
6505 }
6506
6507 fn refresh_slow_scrollbar_markers(
6508 &self,
6509 layout: &EditorLayout,
6510 scrollbar_layout: &ScrollbarLayout,
6511 window: &mut Window,
6512 cx: &mut App,
6513 ) {
6514 self.editor.update(cx, |editor, cx| {
6515 if !editor.is_singleton(cx)
6516 || !editor
6517 .scrollbar_marker_state
6518 .should_refresh(scrollbar_layout.hitbox.size)
6519 {
6520 return;
6521 }
6522
6523 let scrollbar_layout = scrollbar_layout.clone();
6524 let background_highlights = editor.background_highlights.clone();
6525 let snapshot = layout.position_map.snapshot.clone();
6526 let theme = cx.theme().clone();
6527 let scrollbar_settings = EditorSettings::get_global(cx).scrollbar;
6528
6529 editor.scrollbar_marker_state.dirty = false;
6530 editor.scrollbar_marker_state.pending_refresh =
6531 Some(cx.spawn_in(window, async move |editor, cx| {
6532 let scrollbar_size = scrollbar_layout.hitbox.size;
6533 let scrollbar_markers = cx
6534 .background_spawn(async move {
6535 let max_point = snapshot.display_snapshot.buffer_snapshot.max_point();
6536 let mut marker_quads = Vec::new();
6537 if scrollbar_settings.git_diff {
6538 let marker_row_ranges =
6539 snapshot.buffer_snapshot.diff_hunks().map(|hunk| {
6540 let start_display_row =
6541 MultiBufferPoint::new(hunk.row_range.start.0, 0)
6542 .to_display_point(&snapshot.display_snapshot)
6543 .row();
6544 let mut end_display_row =
6545 MultiBufferPoint::new(hunk.row_range.end.0, 0)
6546 .to_display_point(&snapshot.display_snapshot)
6547 .row();
6548 if end_display_row != start_display_row {
6549 end_display_row.0 -= 1;
6550 }
6551 let color = match &hunk.status().kind {
6552 DiffHunkStatusKind::Added => {
6553 theme.colors().version_control_added
6554 }
6555 DiffHunkStatusKind::Modified => {
6556 theme.colors().version_control_modified
6557 }
6558 DiffHunkStatusKind::Deleted => {
6559 theme.colors().version_control_deleted
6560 }
6561 };
6562 ColoredRange {
6563 start: start_display_row,
6564 end: end_display_row,
6565 color,
6566 }
6567 });
6568
6569 marker_quads.extend(
6570 scrollbar_layout
6571 .marker_quads_for_ranges(marker_row_ranges, Some(0)),
6572 );
6573 }
6574
6575 for (background_highlight_id, (_, background_ranges)) in
6576 background_highlights.iter()
6577 {
6578 let is_search_highlights = *background_highlight_id
6579 == HighlightKey::Type(TypeId::of::<BufferSearchHighlights>());
6580 let is_text_highlights = *background_highlight_id
6581 == HighlightKey::Type(TypeId::of::<SelectedTextHighlight>());
6582 let is_symbol_occurrences = *background_highlight_id
6583 == HighlightKey::Type(TypeId::of::<DocumentHighlightRead>())
6584 || *background_highlight_id
6585 == HighlightKey::Type(
6586 TypeId::of::<DocumentHighlightWrite>(),
6587 );
6588 if (is_search_highlights && scrollbar_settings.search_results)
6589 || (is_text_highlights && scrollbar_settings.selected_text)
6590 || (is_symbol_occurrences && scrollbar_settings.selected_symbol)
6591 {
6592 let mut color = theme.status().info;
6593 if is_symbol_occurrences {
6594 color.fade_out(0.5);
6595 }
6596 let marker_row_ranges = background_ranges.iter().map(|range| {
6597 let display_start = range
6598 .start
6599 .to_display_point(&snapshot.display_snapshot);
6600 let display_end =
6601 range.end.to_display_point(&snapshot.display_snapshot);
6602 ColoredRange {
6603 start: display_start.row(),
6604 end: display_end.row(),
6605 color,
6606 }
6607 });
6608 marker_quads.extend(
6609 scrollbar_layout
6610 .marker_quads_for_ranges(marker_row_ranges, Some(1)),
6611 );
6612 }
6613 }
6614
6615 if scrollbar_settings.diagnostics != ScrollbarDiagnostics::None {
6616 let diagnostics = snapshot
6617 .buffer_snapshot
6618 .diagnostics_in_range::<Point>(Point::zero()..max_point)
6619 // Don't show diagnostics the user doesn't care about
6620 .filter(|diagnostic| {
6621 match (
6622 scrollbar_settings.diagnostics,
6623 diagnostic.diagnostic.severity,
6624 ) {
6625 (ScrollbarDiagnostics::All, _) => true,
6626 (
6627 ScrollbarDiagnostics::Error,
6628 lsp::DiagnosticSeverity::ERROR,
6629 ) => true,
6630 (
6631 ScrollbarDiagnostics::Warning,
6632 lsp::DiagnosticSeverity::ERROR
6633 | lsp::DiagnosticSeverity::WARNING,
6634 ) => true,
6635 (
6636 ScrollbarDiagnostics::Information,
6637 lsp::DiagnosticSeverity::ERROR
6638 | lsp::DiagnosticSeverity::WARNING
6639 | lsp::DiagnosticSeverity::INFORMATION,
6640 ) => true,
6641 (_, _) => false,
6642 }
6643 })
6644 // We want to sort by severity, in order to paint the most severe diagnostics last.
6645 .sorted_by_key(|diagnostic| {
6646 std::cmp::Reverse(diagnostic.diagnostic.severity)
6647 });
6648
6649 let marker_row_ranges = diagnostics.into_iter().map(|diagnostic| {
6650 let start_display = diagnostic
6651 .range
6652 .start
6653 .to_display_point(&snapshot.display_snapshot);
6654 let end_display = diagnostic
6655 .range
6656 .end
6657 .to_display_point(&snapshot.display_snapshot);
6658 let color = match diagnostic.diagnostic.severity {
6659 lsp::DiagnosticSeverity::ERROR => theme.status().error,
6660 lsp::DiagnosticSeverity::WARNING => theme.status().warning,
6661 lsp::DiagnosticSeverity::INFORMATION => theme.status().info,
6662 _ => theme.status().hint,
6663 };
6664 ColoredRange {
6665 start: start_display.row(),
6666 end: end_display.row(),
6667 color,
6668 }
6669 });
6670 marker_quads.extend(
6671 scrollbar_layout
6672 .marker_quads_for_ranges(marker_row_ranges, Some(2)),
6673 );
6674 }
6675
6676 Arc::from(marker_quads)
6677 })
6678 .await;
6679
6680 editor.update(cx, |editor, cx| {
6681 editor.scrollbar_marker_state.markers = scrollbar_markers;
6682 editor.scrollbar_marker_state.scrollbar_size = scrollbar_size;
6683 editor.scrollbar_marker_state.pending_refresh = None;
6684 cx.notify();
6685 })?;
6686
6687 Ok(())
6688 }));
6689 });
6690 }
6691
6692 fn paint_highlighted_range(
6693 &self,
6694 range: Range<DisplayPoint>,
6695 fill: bool,
6696 color: Hsla,
6697 corner_radius: Pixels,
6698 line_end_overshoot: Pixels,
6699 layout: &EditorLayout,
6700 window: &mut Window,
6701 ) {
6702 let start_row = layout.visible_display_row_range.start;
6703 let end_row = layout.visible_display_row_range.end;
6704 if range.start != range.end {
6705 let row_range = if range.end.column() == 0 {
6706 cmp::max(range.start.row(), start_row)..cmp::min(range.end.row(), end_row)
6707 } else {
6708 cmp::max(range.start.row(), start_row)
6709 ..cmp::min(range.end.row().next_row(), end_row)
6710 };
6711
6712 let highlighted_range = HighlightedRange {
6713 color,
6714 line_height: layout.position_map.line_height,
6715 corner_radius,
6716 start_y: layout.content_origin.y
6717 + row_range.start.as_f32() * layout.position_map.line_height
6718 - layout.position_map.scroll_pixel_position.y,
6719 lines: row_range
6720 .iter_rows()
6721 .map(|row| {
6722 let line_layout =
6723 &layout.position_map.line_layouts[row.minus(start_row) as usize];
6724 HighlightedRangeLine {
6725 start_x: if row == range.start.row() {
6726 layout.content_origin.x
6727 + line_layout.x_for_index(range.start.column() as usize)
6728 - layout.position_map.scroll_pixel_position.x
6729 } else {
6730 layout.content_origin.x
6731 - layout.position_map.scroll_pixel_position.x
6732 },
6733 end_x: if row == range.end.row() {
6734 layout.content_origin.x
6735 + line_layout.x_for_index(range.end.column() as usize)
6736 - layout.position_map.scroll_pixel_position.x
6737 } else {
6738 layout.content_origin.x + line_layout.width + line_end_overshoot
6739 - layout.position_map.scroll_pixel_position.x
6740 },
6741 }
6742 })
6743 .collect(),
6744 };
6745
6746 highlighted_range.paint(fill, layout.position_map.text_hitbox.bounds, window);
6747 }
6748 }
6749
6750 fn paint_inline_diagnostics(
6751 &mut self,
6752 layout: &mut EditorLayout,
6753 window: &mut Window,
6754 cx: &mut App,
6755 ) {
6756 for mut inline_diagnostic in layout.inline_diagnostics.drain() {
6757 inline_diagnostic.1.paint(window, cx);
6758 }
6759 }
6760
6761 fn paint_inline_blame(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6762 if let Some(mut blame_layout) = layout.inline_blame_layout.take() {
6763 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6764 blame_layout.element.paint(window, cx);
6765 })
6766 }
6767 }
6768
6769 fn paint_inline_code_actions(
6770 &mut self,
6771 layout: &mut EditorLayout,
6772 window: &mut Window,
6773 cx: &mut App,
6774 ) {
6775 if let Some(mut inline_code_actions) = layout.inline_code_actions.take() {
6776 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6777 inline_code_actions.paint(window, cx);
6778 })
6779 }
6780 }
6781
6782 fn paint_diff_hunk_controls(
6783 &mut self,
6784 layout: &mut EditorLayout,
6785 window: &mut Window,
6786 cx: &mut App,
6787 ) {
6788 for mut diff_hunk_control in layout.diff_hunk_controls.drain(..) {
6789 diff_hunk_control.paint(window, cx);
6790 }
6791 }
6792
6793 fn paint_minimap(&self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6794 if let Some(mut layout) = layout.minimap.take() {
6795 let minimap_hitbox = layout.thumb_layout.hitbox.clone();
6796 let dragging_minimap = self.editor.read(cx).scroll_manager.is_dragging_minimap();
6797
6798 window.paint_layer(layout.thumb_layout.hitbox.bounds, |window| {
6799 window.with_element_namespace("minimap", |window| {
6800 layout.minimap.paint(window, cx);
6801 if let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds {
6802 let minimap_thumb_color = match layout.thumb_layout.thumb_state {
6803 ScrollbarThumbState::Idle => {
6804 cx.theme().colors().minimap_thumb_background
6805 }
6806 ScrollbarThumbState::Hovered => {
6807 cx.theme().colors().minimap_thumb_hover_background
6808 }
6809 ScrollbarThumbState::Dragging => {
6810 cx.theme().colors().minimap_thumb_active_background
6811 }
6812 };
6813 let minimap_thumb_border = match layout.thumb_border_style {
6814 MinimapThumbBorder::Full => Edges::all(ScrollbarLayout::BORDER_WIDTH),
6815 MinimapThumbBorder::LeftOnly => Edges {
6816 left: ScrollbarLayout::BORDER_WIDTH,
6817 ..Default::default()
6818 },
6819 MinimapThumbBorder::LeftOpen => Edges {
6820 right: ScrollbarLayout::BORDER_WIDTH,
6821 top: ScrollbarLayout::BORDER_WIDTH,
6822 bottom: ScrollbarLayout::BORDER_WIDTH,
6823 ..Default::default()
6824 },
6825 MinimapThumbBorder::RightOpen => Edges {
6826 left: ScrollbarLayout::BORDER_WIDTH,
6827 top: ScrollbarLayout::BORDER_WIDTH,
6828 bottom: ScrollbarLayout::BORDER_WIDTH,
6829 ..Default::default()
6830 },
6831 MinimapThumbBorder::None => Default::default(),
6832 };
6833
6834 window.paint_layer(minimap_hitbox.bounds, |window| {
6835 window.paint_quad(quad(
6836 thumb_bounds,
6837 Corners::default(),
6838 minimap_thumb_color,
6839 minimap_thumb_border,
6840 cx.theme().colors().minimap_thumb_border,
6841 BorderStyle::Solid,
6842 ));
6843 });
6844 }
6845 });
6846 });
6847
6848 if dragging_minimap {
6849 window.set_window_cursor_style(CursorStyle::Arrow);
6850 } else {
6851 window.set_cursor_style(CursorStyle::Arrow, &minimap_hitbox);
6852 }
6853
6854 let minimap_axis = ScrollbarAxis::Vertical;
6855 let pixels_per_line = (minimap_hitbox.size.height / layout.max_scroll_top)
6856 .min(layout.minimap_line_height);
6857
6858 let mut mouse_position = window.mouse_position();
6859
6860 window.on_mouse_event({
6861 let editor = self.editor.clone();
6862
6863 let minimap_hitbox = minimap_hitbox.clone();
6864
6865 move |event: &MouseMoveEvent, phase, window, cx| {
6866 if phase == DispatchPhase::Capture {
6867 return;
6868 }
6869
6870 editor.update(cx, |editor, cx| {
6871 if event.pressed_button == Some(MouseButton::Left)
6872 && editor.scroll_manager.is_dragging_minimap()
6873 {
6874 let old_position = mouse_position.along(minimap_axis);
6875 let new_position = event.position.along(minimap_axis);
6876 if (minimap_hitbox.origin.along(minimap_axis)
6877 ..minimap_hitbox.bottom_right().along(minimap_axis))
6878 .contains(&old_position)
6879 {
6880 let position =
6881 editor.scroll_position(cx).apply_along(minimap_axis, |p| {
6882 (p + (new_position - old_position) / pixels_per_line)
6883 .max(0.)
6884 });
6885 editor.set_scroll_position(position, window, cx);
6886 }
6887 cx.stop_propagation();
6888 } else if minimap_hitbox.is_hovered(window) {
6889 editor.scroll_manager.set_is_hovering_minimap_thumb(
6890 !event.dragging()
6891 && layout
6892 .thumb_layout
6893 .thumb_bounds
6894 .is_some_and(|bounds| bounds.contains(&event.position)),
6895 cx,
6896 );
6897
6898 // Stop hover events from propagating to the
6899 // underlying editor if the minimap hitbox is hovered
6900 if !event.dragging() {
6901 cx.stop_propagation();
6902 }
6903 } else {
6904 editor.scroll_manager.hide_minimap_thumb(cx);
6905 }
6906 mouse_position = event.position;
6907 });
6908 }
6909 });
6910
6911 if dragging_minimap {
6912 window.on_mouse_event({
6913 let editor = self.editor.clone();
6914 move |event: &MouseUpEvent, phase, window, cx| {
6915 if phase == DispatchPhase::Capture {
6916 return;
6917 }
6918
6919 editor.update(cx, |editor, cx| {
6920 if minimap_hitbox.is_hovered(window) {
6921 editor.scroll_manager.set_is_hovering_minimap_thumb(
6922 layout
6923 .thumb_layout
6924 .thumb_bounds
6925 .is_some_and(|bounds| bounds.contains(&event.position)),
6926 cx,
6927 );
6928 } else {
6929 editor.scroll_manager.hide_minimap_thumb(cx);
6930 }
6931 cx.stop_propagation();
6932 });
6933 }
6934 });
6935 } else {
6936 window.on_mouse_event({
6937 let editor = self.editor.clone();
6938
6939 move |event: &MouseDownEvent, phase, window, cx| {
6940 if phase == DispatchPhase::Capture || !minimap_hitbox.is_hovered(window) {
6941 return;
6942 }
6943
6944 let event_position = event.position;
6945
6946 let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds else {
6947 return;
6948 };
6949
6950 editor.update(cx, |editor, cx| {
6951 if !thumb_bounds.contains(&event_position) {
6952 let click_position =
6953 event_position.relative_to(&minimap_hitbox.origin).y;
6954
6955 let top_position = (click_position
6956 - thumb_bounds.size.along(minimap_axis) / 2.0)
6957 .max(Pixels::ZERO);
6958
6959 let scroll_offset = (layout.minimap_scroll_top
6960 + top_position / layout.minimap_line_height)
6961 .min(layout.max_scroll_top);
6962
6963 let scroll_position = editor
6964 .scroll_position(cx)
6965 .apply_along(minimap_axis, |_| scroll_offset);
6966 editor.set_scroll_position(scroll_position, window, cx);
6967 }
6968
6969 editor.scroll_manager.set_is_dragging_minimap(cx);
6970 cx.stop_propagation();
6971 });
6972 }
6973 });
6974 }
6975 }
6976 }
6977
6978 fn paint_blocks(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6979 for mut block in layout.blocks.drain(..) {
6980 if block.overlaps_gutter {
6981 block.element.paint(window, cx);
6982 } else {
6983 let mut bounds = layout.hitbox.bounds;
6984 bounds.origin.x += layout.gutter_hitbox.bounds.size.width;
6985 window.with_content_mask(
6986 Some(ContentMask {
6987 bounds,
6988 ..Default::default()
6989 }),
6990 |window| {
6991 block.element.paint(window, cx);
6992 },
6993 )
6994 }
6995 }
6996 }
6997
6998 fn paint_edit_prediction_popover(
6999 &mut self,
7000 layout: &mut EditorLayout,
7001 window: &mut Window,
7002 cx: &mut App,
7003 ) {
7004 if let Some(edit_prediction_popover) = layout.edit_prediction_popover.as_mut() {
7005 edit_prediction_popover.paint(window, cx);
7006 }
7007 }
7008
7009 fn paint_mouse_context_menu(
7010 &mut self,
7011 layout: &mut EditorLayout,
7012 window: &mut Window,
7013 cx: &mut App,
7014 ) {
7015 if let Some(mouse_context_menu) = layout.mouse_context_menu.as_mut() {
7016 mouse_context_menu.paint(window, cx);
7017 }
7018 }
7019
7020 fn paint_scroll_wheel_listener(
7021 &mut self,
7022 layout: &EditorLayout,
7023 window: &mut Window,
7024 cx: &mut App,
7025 ) {
7026 window.on_mouse_event({
7027 let position_map = layout.position_map.clone();
7028 let editor = self.editor.clone();
7029 let hitbox = layout.hitbox.clone();
7030 let mut delta = ScrollDelta::default();
7031
7032 // Set a minimum scroll_sensitivity of 0.01 to make sure the user doesn't
7033 // accidentally turn off their scrolling.
7034 let base_scroll_sensitivity =
7035 EditorSettings::get_global(cx).scroll_sensitivity.max(0.01);
7036
7037 // Use a minimum fast_scroll_sensitivity for same reason above
7038 let fast_scroll_sensitivity = EditorSettings::get_global(cx)
7039 .fast_scroll_sensitivity
7040 .max(0.01);
7041
7042 move |event: &ScrollWheelEvent, phase, window, cx| {
7043 let scroll_sensitivity = {
7044 if event.modifiers.alt {
7045 fast_scroll_sensitivity
7046 } else {
7047 base_scroll_sensitivity
7048 }
7049 };
7050
7051 if phase == DispatchPhase::Bubble && hitbox.should_handle_scroll(window) {
7052 delta = delta.coalesce(event.delta);
7053 editor.update(cx, |editor, cx| {
7054 let position_map: &PositionMap = &position_map;
7055
7056 let line_height = position_map.line_height;
7057 let max_glyph_advance = position_map.em_advance;
7058 let (delta, axis) = match delta {
7059 gpui::ScrollDelta::Pixels(mut pixels) => {
7060 //Trackpad
7061 let axis = position_map.snapshot.ongoing_scroll.filter(&mut pixels);
7062 (pixels, axis)
7063 }
7064
7065 gpui::ScrollDelta::Lines(lines) => {
7066 //Not trackpad
7067 let pixels =
7068 point(lines.x * max_glyph_advance, lines.y * line_height);
7069 (pixels, None)
7070 }
7071 };
7072
7073 let current_scroll_position = position_map.snapshot.scroll_position();
7074 let x = (current_scroll_position.x * max_glyph_advance
7075 - (delta.x * scroll_sensitivity))
7076 / max_glyph_advance;
7077 let y = (current_scroll_position.y * line_height
7078 - (delta.y * scroll_sensitivity))
7079 / line_height;
7080 let mut scroll_position =
7081 point(x, y).clamp(&point(0., 0.), &position_map.scroll_max);
7082 let forbid_vertical_scroll = editor.scroll_manager.forbid_vertical_scroll();
7083 if forbid_vertical_scroll {
7084 scroll_position.y = current_scroll_position.y;
7085 }
7086
7087 if scroll_position != current_scroll_position {
7088 editor.scroll(scroll_position, axis, window, cx);
7089 cx.stop_propagation();
7090 } else if y < 0. {
7091 // Due to clamping, we may fail to detect cases of overscroll to the top;
7092 // We want the scroll manager to get an update in such cases and detect the change of direction
7093 // on the next frame.
7094 cx.notify();
7095 }
7096 });
7097 }
7098 }
7099 });
7100 }
7101
7102 fn paint_mouse_listeners(&mut self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
7103 if layout.mode.is_minimap() {
7104 return;
7105 }
7106
7107 self.paint_scroll_wheel_listener(layout, window, cx);
7108
7109 window.on_mouse_event({
7110 let position_map = layout.position_map.clone();
7111 let editor = self.editor.clone();
7112 let diff_hunk_range =
7113 layout
7114 .display_hunks
7115 .iter()
7116 .find_map(|(hunk, hunk_hitbox)| match hunk {
7117 DisplayDiffHunk::Folded { .. } => None,
7118 DisplayDiffHunk::Unfolded {
7119 multi_buffer_range, ..
7120 } => {
7121 if hunk_hitbox
7122 .as_ref()
7123 .map(|hitbox| hitbox.is_hovered(window))
7124 .unwrap_or(false)
7125 {
7126 Some(multi_buffer_range.clone())
7127 } else {
7128 None
7129 }
7130 }
7131 });
7132 let line_numbers = layout.line_numbers.clone();
7133
7134 move |event: &MouseDownEvent, phase, window, cx| {
7135 if phase == DispatchPhase::Bubble {
7136 match event.button {
7137 MouseButton::Left => editor.update(cx, |editor, cx| {
7138 let pending_mouse_down = editor
7139 .pending_mouse_down
7140 .get_or_insert_with(Default::default)
7141 .clone();
7142
7143 *pending_mouse_down.borrow_mut() = Some(event.clone());
7144
7145 Self::mouse_left_down(
7146 editor,
7147 event,
7148 diff_hunk_range.clone(),
7149 &position_map,
7150 line_numbers.as_ref(),
7151 window,
7152 cx,
7153 );
7154 }),
7155 MouseButton::Right => editor.update(cx, |editor, cx| {
7156 Self::mouse_right_down(editor, event, &position_map, window, cx);
7157 }),
7158 MouseButton::Middle => editor.update(cx, |editor, cx| {
7159 Self::mouse_middle_down(editor, event, &position_map, window, cx);
7160 }),
7161 _ => {}
7162 };
7163 }
7164 }
7165 });
7166
7167 window.on_mouse_event({
7168 let editor = self.editor.clone();
7169 let position_map = layout.position_map.clone();
7170
7171 move |event: &MouseUpEvent, phase, window, cx| {
7172 if phase == DispatchPhase::Bubble {
7173 editor.update(cx, |editor, cx| {
7174 Self::mouse_up(editor, event, &position_map, window, cx)
7175 });
7176 }
7177 }
7178 });
7179
7180 window.on_mouse_event({
7181 let editor = self.editor.clone();
7182 let position_map = layout.position_map.clone();
7183 let mut captured_mouse_down = None;
7184
7185 move |event: &MouseUpEvent, phase, window, cx| match phase {
7186 // Clear the pending mouse down during the capture phase,
7187 // so that it happens even if another event handler stops
7188 // propagation.
7189 DispatchPhase::Capture => editor.update(cx, |editor, _cx| {
7190 let pending_mouse_down = editor
7191 .pending_mouse_down
7192 .get_or_insert_with(Default::default)
7193 .clone();
7194
7195 let mut pending_mouse_down = pending_mouse_down.borrow_mut();
7196 if pending_mouse_down.is_some() && position_map.text_hitbox.is_hovered(window) {
7197 captured_mouse_down = pending_mouse_down.take();
7198 window.refresh();
7199 }
7200 }),
7201 // Fire click handlers during the bubble phase.
7202 DispatchPhase::Bubble => editor.update(cx, |editor, cx| {
7203 if let Some(mouse_down) = captured_mouse_down.take() {
7204 let event = ClickEvent::Mouse(MouseClickEvent {
7205 down: mouse_down,
7206 up: event.clone(),
7207 });
7208 Self::click(editor, &event, &position_map, window, cx);
7209 }
7210 }),
7211 }
7212 });
7213
7214 window.on_mouse_event({
7215 let position_map = layout.position_map.clone();
7216 let editor = self.editor.clone();
7217
7218 move |event: &MouseMoveEvent, phase, window, cx| {
7219 if phase == DispatchPhase::Bubble {
7220 editor.update(cx, |editor, cx| {
7221 if editor.hover_state.focused(window, cx) {
7222 return;
7223 }
7224 if event.pressed_button == Some(MouseButton::Left)
7225 || event.pressed_button == Some(MouseButton::Middle)
7226 {
7227 Self::mouse_dragged(editor, event, &position_map, window, cx)
7228 }
7229
7230 Self::mouse_moved(editor, event, &position_map, window, cx)
7231 });
7232 }
7233 }
7234 });
7235 }
7236
7237 fn column_pixels(&self, column: usize, window: &Window) -> Pixels {
7238 let style = &self.style;
7239 let font_size = style.text.font_size.to_pixels(window.rem_size());
7240 let layout = window.text_system().shape_line(
7241 SharedString::from(" ".repeat(column)),
7242 font_size,
7243 &[TextRun {
7244 len: column,
7245 font: style.text.font(),
7246 color: Hsla::default(),
7247 background_color: None,
7248 underline: None,
7249 strikethrough: None,
7250 }],
7251 None,
7252 );
7253
7254 layout.width
7255 }
7256
7257 fn max_line_number_width(&self, snapshot: &EditorSnapshot, window: &mut Window) -> Pixels {
7258 let digit_count = snapshot.widest_line_number().ilog10() + 1;
7259 self.column_pixels(digit_count as usize, window)
7260 }
7261
7262 fn shape_line_number(
7263 &self,
7264 text: SharedString,
7265 color: Hsla,
7266 window: &mut Window,
7267 ) -> ShapedLine {
7268 let run = TextRun {
7269 len: text.len(),
7270 font: self.style.text.font(),
7271 color,
7272 background_color: None,
7273 underline: None,
7274 strikethrough: None,
7275 };
7276 window.text_system().shape_line(
7277 text,
7278 self.style.text.font_size.to_pixels(window.rem_size()),
7279 &[run],
7280 None,
7281 )
7282 }
7283
7284 fn diff_hunk_hollow(status: DiffHunkStatus, cx: &mut App) -> bool {
7285 let unstaged = status.has_secondary_hunk();
7286 let unstaged_hollow = ProjectSettings::get_global(cx)
7287 .git
7288 .hunk_style
7289 .is_some_and(|style| matches!(style, GitHunkStyleSetting::UnstagedHollow));
7290
7291 unstaged == unstaged_hollow
7292 }
7293}
7294
7295fn header_jump_data(
7296 snapshot: &EditorSnapshot,
7297 block_row_start: DisplayRow,
7298 height: u32,
7299 for_excerpt: &ExcerptInfo,
7300) -> JumpData {
7301 let range = &for_excerpt.range;
7302 let buffer = &for_excerpt.buffer;
7303 let jump_anchor = range.primary.start;
7304
7305 let excerpt_start = range.context.start;
7306 let jump_position = language::ToPoint::to_point(&jump_anchor, buffer);
7307 let rows_from_excerpt_start = if jump_anchor == excerpt_start {
7308 0
7309 } else {
7310 let excerpt_start_point = language::ToPoint::to_point(&excerpt_start, buffer);
7311 jump_position.row.saturating_sub(excerpt_start_point.row)
7312 };
7313
7314 let line_offset_from_top = (block_row_start.0 + height + rows_from_excerpt_start)
7315 .saturating_sub(
7316 snapshot
7317 .scroll_anchor
7318 .scroll_position(&snapshot.display_snapshot)
7319 .y as u32,
7320 );
7321
7322 JumpData::MultiBufferPoint {
7323 excerpt_id: for_excerpt.id,
7324 anchor: jump_anchor,
7325 position: jump_position,
7326 line_offset_from_top,
7327 }
7328}
7329
7330pub struct AcceptEditPredictionBinding(pub(crate) Option<gpui::KeyBinding>);
7331
7332impl AcceptEditPredictionBinding {
7333 pub fn keystroke(&self) -> Option<&KeybindingKeystroke> {
7334 if let Some(binding) = self.0.as_ref() {
7335 match &binding.keystrokes() {
7336 [keystroke, ..] => Some(keystroke),
7337 _ => None,
7338 }
7339 } else {
7340 None
7341 }
7342 }
7343}
7344
7345fn prepaint_gutter_button(
7346 button: IconButton,
7347 row: DisplayRow,
7348 line_height: Pixels,
7349 gutter_dimensions: &GutterDimensions,
7350 scroll_pixel_position: gpui::Point<Pixels>,
7351 gutter_hitbox: &Hitbox,
7352 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
7353 window: &mut Window,
7354 cx: &mut App,
7355) -> AnyElement {
7356 let mut button = button.into_any_element();
7357
7358 let available_space = size(
7359 AvailableSpace::MinContent,
7360 AvailableSpace::Definite(line_height),
7361 );
7362 let indicator_size = button.layout_as_root(available_space, window, cx);
7363
7364 let blame_width = gutter_dimensions.git_blame_entries_width;
7365 let gutter_width = display_hunks
7366 .binary_search_by(|(hunk, _)| match hunk {
7367 DisplayDiffHunk::Folded { display_row } => display_row.cmp(&row),
7368 DisplayDiffHunk::Unfolded {
7369 display_row_range, ..
7370 } => {
7371 if display_row_range.end <= row {
7372 Ordering::Less
7373 } else if display_row_range.start > row {
7374 Ordering::Greater
7375 } else {
7376 Ordering::Equal
7377 }
7378 }
7379 })
7380 .ok()
7381 .and_then(|ix| Some(display_hunks[ix].1.as_ref()?.size.width));
7382 let left_offset = blame_width.max(gutter_width).unwrap_or_default();
7383
7384 let mut x = left_offset;
7385 let available_width = gutter_dimensions.margin + gutter_dimensions.left_padding
7386 - indicator_size.width
7387 - left_offset;
7388 x += available_width / 2.;
7389
7390 let mut y = row.as_f32() * line_height - scroll_pixel_position.y;
7391 y += (line_height - indicator_size.height) / 2.;
7392
7393 button.prepaint_as_root(
7394 gutter_hitbox.origin + point(x, y),
7395 available_space,
7396 window,
7397 cx,
7398 );
7399 button
7400}
7401
7402fn render_inline_blame_entry(
7403 blame_entry: BlameEntry,
7404 style: &EditorStyle,
7405 cx: &mut App,
7406) -> Option<AnyElement> {
7407 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7408 renderer.render_inline_blame_entry(&style.text, blame_entry, cx)
7409}
7410
7411fn render_blame_entry_popover(
7412 blame_entry: BlameEntry,
7413 scroll_handle: ScrollHandle,
7414 commit_message: Option<ParsedCommitMessage>,
7415 markdown: Entity<Markdown>,
7416 workspace: WeakEntity<Workspace>,
7417 blame: &Entity<GitBlame>,
7418 buffer: BufferId,
7419 window: &mut Window,
7420 cx: &mut App,
7421) -> Option<AnyElement> {
7422 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7423 let blame = blame.read(cx);
7424 let repository = blame.repository(cx, buffer)?;
7425 renderer.render_blame_entry_popover(
7426 blame_entry,
7427 scroll_handle,
7428 commit_message,
7429 markdown,
7430 repository,
7431 workspace,
7432 window,
7433 cx,
7434 )
7435}
7436
7437fn render_blame_entry(
7438 ix: usize,
7439 blame: &Entity<GitBlame>,
7440 blame_entry: BlameEntry,
7441 style: &EditorStyle,
7442 last_used_color: &mut Option<(PlayerColor, Oid)>,
7443 editor: Entity<Editor>,
7444 workspace: Entity<Workspace>,
7445 buffer: BufferId,
7446 renderer: Arc<dyn BlameRenderer>,
7447 cx: &mut App,
7448) -> Option<AnyElement> {
7449 let mut sha_color = cx
7450 .theme()
7451 .players()
7452 .color_for_participant(blame_entry.sha.into());
7453
7454 // If the last color we used is the same as the one we get for this line, but
7455 // the commit SHAs are different, then we try again to get a different color.
7456 match *last_used_color {
7457 Some((color, sha)) if sha != blame_entry.sha && color.cursor == sha_color.cursor => {
7458 let index: u32 = blame_entry.sha.into();
7459 sha_color = cx.theme().players().color_for_participant(index + 1);
7460 }
7461 _ => {}
7462 };
7463 last_used_color.replace((sha_color, blame_entry.sha));
7464
7465 let blame = blame.read(cx);
7466 let details = blame.details_for_entry(buffer, &blame_entry);
7467 let repository = blame.repository(cx, buffer)?;
7468 renderer.render_blame_entry(
7469 &style.text,
7470 blame_entry,
7471 details,
7472 repository,
7473 workspace.downgrade(),
7474 editor,
7475 ix,
7476 sha_color.cursor,
7477 cx,
7478 )
7479}
7480
7481#[derive(Debug)]
7482pub(crate) struct LineWithInvisibles {
7483 fragments: SmallVec<[LineFragment; 1]>,
7484 invisibles: Vec<Invisible>,
7485 len: usize,
7486 pub(crate) width: Pixels,
7487 font_size: Pixels,
7488}
7489
7490enum LineFragment {
7491 Text(ShapedLine),
7492 Element {
7493 id: ChunkRendererId,
7494 element: Option<AnyElement>,
7495 size: Size<Pixels>,
7496 len: usize,
7497 },
7498}
7499
7500impl fmt::Debug for LineFragment {
7501 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
7502 match self {
7503 LineFragment::Text(shaped_line) => f.debug_tuple("Text").field(shaped_line).finish(),
7504 LineFragment::Element { size, len, .. } => f
7505 .debug_struct("Element")
7506 .field("size", size)
7507 .field("len", len)
7508 .finish(),
7509 }
7510 }
7511}
7512
7513impl LineWithInvisibles {
7514 fn from_chunks<'a>(
7515 chunks: impl Iterator<Item = HighlightedChunk<'a>>,
7516 editor_style: &EditorStyle,
7517 max_line_len: usize,
7518 max_line_count: usize,
7519 editor_mode: &EditorMode,
7520 text_width: Pixels,
7521 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
7522 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
7523 window: &mut Window,
7524 cx: &mut App,
7525 ) -> Vec<Self> {
7526 let text_style = &editor_style.text;
7527 let mut layouts = Vec::with_capacity(max_line_count);
7528 let mut fragments: SmallVec<[LineFragment; 1]> = SmallVec::new();
7529 let mut line = String::new();
7530 let mut invisibles = Vec::new();
7531 let mut width = Pixels::ZERO;
7532 let mut len = 0;
7533 let mut styles = Vec::new();
7534 let mut non_whitespace_added = false;
7535 let mut row = 0;
7536 let mut line_exceeded_max_len = false;
7537 let font_size = text_style.font_size.to_pixels(window.rem_size());
7538 let min_contrast = EditorSettings::get_global(cx).minimum_contrast_for_highlights;
7539
7540 let ellipsis = SharedString::from("β―");
7541
7542 for highlighted_chunk in chunks.chain([HighlightedChunk {
7543 text: "\n",
7544 style: None,
7545 is_tab: false,
7546 is_inlay: false,
7547 replacement: None,
7548 }]) {
7549 if let Some(replacement) = highlighted_chunk.replacement {
7550 if !line.is_empty() {
7551 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7552 let text_runs: &[TextRun] = if segments.is_empty() {
7553 &styles
7554 } else {
7555 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast)
7556 };
7557 let shaped_line = window.text_system().shape_line(
7558 line.clone().into(),
7559 font_size,
7560 text_runs,
7561 None,
7562 );
7563 width += shaped_line.width;
7564 len += shaped_line.len;
7565 fragments.push(LineFragment::Text(shaped_line));
7566 line.clear();
7567 styles.clear();
7568 }
7569
7570 match replacement {
7571 ChunkReplacement::Renderer(renderer) => {
7572 let available_width = if renderer.constrain_width {
7573 let chunk = if highlighted_chunk.text == ellipsis.as_ref() {
7574 ellipsis.clone()
7575 } else {
7576 SharedString::from(Arc::from(highlighted_chunk.text))
7577 };
7578 let shaped_line = window.text_system().shape_line(
7579 chunk,
7580 font_size,
7581 &[text_style.to_run(highlighted_chunk.text.len())],
7582 None,
7583 );
7584 AvailableSpace::Definite(shaped_line.width)
7585 } else {
7586 AvailableSpace::MinContent
7587 };
7588
7589 let mut element = (renderer.render)(&mut ChunkRendererContext {
7590 context: cx,
7591 window,
7592 max_width: text_width,
7593 });
7594 let line_height = text_style.line_height_in_pixels(window.rem_size());
7595 let size = element.layout_as_root(
7596 size(available_width, AvailableSpace::Definite(line_height)),
7597 window,
7598 cx,
7599 );
7600
7601 width += size.width;
7602 len += highlighted_chunk.text.len();
7603 fragments.push(LineFragment::Element {
7604 id: renderer.id,
7605 element: Some(element),
7606 size,
7607 len: highlighted_chunk.text.len(),
7608 });
7609 }
7610 ChunkReplacement::Str(x) => {
7611 let text_style = if let Some(style) = highlighted_chunk.style {
7612 Cow::Owned(text_style.clone().highlight(style))
7613 } else {
7614 Cow::Borrowed(text_style)
7615 };
7616
7617 let run = TextRun {
7618 len: x.len(),
7619 font: text_style.font(),
7620 color: text_style.color,
7621 background_color: text_style.background_color,
7622 underline: text_style.underline,
7623 strikethrough: text_style.strikethrough,
7624 };
7625 let line_layout = window
7626 .text_system()
7627 .shape_line(x, font_size, &[run], None)
7628 .with_len(highlighted_chunk.text.len());
7629
7630 width += line_layout.width;
7631 len += highlighted_chunk.text.len();
7632 fragments.push(LineFragment::Text(line_layout))
7633 }
7634 }
7635 } else {
7636 for (ix, mut line_chunk) in highlighted_chunk.text.split('\n').enumerate() {
7637 if ix > 0 {
7638 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7639 let text_runs = if segments.is_empty() {
7640 &styles
7641 } else {
7642 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast)
7643 };
7644 let shaped_line = window.text_system().shape_line(
7645 line.clone().into(),
7646 font_size,
7647 text_runs,
7648 None,
7649 );
7650 width += shaped_line.width;
7651 len += shaped_line.len;
7652 fragments.push(LineFragment::Text(shaped_line));
7653 layouts.push(Self {
7654 width: mem::take(&mut width),
7655 len: mem::take(&mut len),
7656 fragments: mem::take(&mut fragments),
7657 invisibles: std::mem::take(&mut invisibles),
7658 font_size,
7659 });
7660
7661 line.clear();
7662 styles.clear();
7663 row += 1;
7664 line_exceeded_max_len = false;
7665 non_whitespace_added = false;
7666 if row == max_line_count {
7667 return layouts;
7668 }
7669 }
7670
7671 if !line_chunk.is_empty() && !line_exceeded_max_len {
7672 let text_style = if let Some(style) = highlighted_chunk.style {
7673 Cow::Owned(text_style.clone().highlight(style))
7674 } else {
7675 Cow::Borrowed(text_style)
7676 };
7677
7678 if line.len() + line_chunk.len() > max_line_len {
7679 let mut chunk_len = max_line_len - line.len();
7680 while !line_chunk.is_char_boundary(chunk_len) {
7681 chunk_len -= 1;
7682 }
7683 line_chunk = &line_chunk[..chunk_len];
7684 line_exceeded_max_len = true;
7685 }
7686
7687 styles.push(TextRun {
7688 len: line_chunk.len(),
7689 font: text_style.font(),
7690 color: text_style.color,
7691 background_color: text_style.background_color,
7692 underline: text_style.underline,
7693 strikethrough: text_style.strikethrough,
7694 });
7695
7696 if editor_mode.is_full() && !highlighted_chunk.is_inlay {
7697 // Line wrap pads its contents with fake whitespaces,
7698 // avoid printing them
7699 let is_soft_wrapped = is_row_soft_wrapped(row);
7700 if highlighted_chunk.is_tab {
7701 if non_whitespace_added || !is_soft_wrapped {
7702 invisibles.push(Invisible::Tab {
7703 line_start_offset: line.len(),
7704 line_end_offset: line.len() + line_chunk.len(),
7705 });
7706 }
7707 } else {
7708 invisibles.extend(line_chunk.char_indices().filter_map(
7709 |(index, c)| {
7710 let is_whitespace = c.is_whitespace();
7711 non_whitespace_added |= !is_whitespace;
7712 if is_whitespace
7713 && (non_whitespace_added || !is_soft_wrapped)
7714 {
7715 Some(Invisible::Whitespace {
7716 line_offset: line.len() + index,
7717 })
7718 } else {
7719 None
7720 }
7721 },
7722 ))
7723 }
7724 }
7725
7726 line.push_str(line_chunk);
7727 }
7728 }
7729 }
7730 }
7731
7732 layouts
7733 }
7734
7735 /// Takes text runs and non-overlapping left-to-right background ranges with color.
7736 /// Returns new text runs with adjusted contrast as per background ranges.
7737 fn split_runs_by_bg_segments(
7738 text_runs: &[TextRun],
7739 bg_segments: &[(Range<DisplayPoint>, Hsla)],
7740 min_contrast: f32,
7741 ) -> Vec<TextRun> {
7742 let mut output_runs: Vec<TextRun> = Vec::with_capacity(text_runs.len());
7743 let mut line_col = 0usize;
7744 let mut segment_ix = 0usize;
7745
7746 for text_run in text_runs.iter() {
7747 let run_start_col = line_col;
7748 let run_end_col = run_start_col + text_run.len;
7749 while segment_ix < bg_segments.len()
7750 && (bg_segments[segment_ix].0.end.column() as usize) <= run_start_col
7751 {
7752 segment_ix += 1;
7753 }
7754 let mut cursor_col = run_start_col;
7755 let mut local_segment_ix = segment_ix;
7756 while local_segment_ix < bg_segments.len() {
7757 let (range, segment_color) = &bg_segments[local_segment_ix];
7758 let segment_start_col = range.start.column() as usize;
7759 let segment_end_col = range.end.column() as usize;
7760 if segment_start_col >= run_end_col {
7761 break;
7762 }
7763 if segment_start_col > cursor_col {
7764 let span_len = segment_start_col - cursor_col;
7765 output_runs.push(TextRun {
7766 len: span_len,
7767 font: text_run.font.clone(),
7768 color: text_run.color,
7769 background_color: text_run.background_color,
7770 underline: text_run.underline,
7771 strikethrough: text_run.strikethrough,
7772 });
7773 cursor_col = segment_start_col;
7774 }
7775 let segment_slice_end_col = segment_end_col.min(run_end_col);
7776 if segment_slice_end_col > cursor_col {
7777 let new_text_color =
7778 ensure_minimum_contrast(text_run.color, *segment_color, min_contrast);
7779 output_runs.push(TextRun {
7780 len: segment_slice_end_col - cursor_col,
7781 font: text_run.font.clone(),
7782 color: new_text_color,
7783 background_color: text_run.background_color,
7784 underline: text_run.underline,
7785 strikethrough: text_run.strikethrough,
7786 });
7787 cursor_col = segment_slice_end_col;
7788 }
7789 if segment_end_col >= run_end_col {
7790 break;
7791 }
7792 local_segment_ix += 1;
7793 }
7794 if cursor_col < run_end_col {
7795 output_runs.push(TextRun {
7796 len: run_end_col - cursor_col,
7797 font: text_run.font.clone(),
7798 color: text_run.color,
7799 background_color: text_run.background_color,
7800 underline: text_run.underline,
7801 strikethrough: text_run.strikethrough,
7802 });
7803 }
7804 line_col = run_end_col;
7805 segment_ix = local_segment_ix;
7806 }
7807 output_runs
7808 }
7809
7810 fn prepaint(
7811 &mut self,
7812 line_height: Pixels,
7813 scroll_pixel_position: gpui::Point<Pixels>,
7814 row: DisplayRow,
7815 content_origin: gpui::Point<Pixels>,
7816 line_elements: &mut SmallVec<[AnyElement; 1]>,
7817 window: &mut Window,
7818 cx: &mut App,
7819 ) {
7820 let line_y = line_height * (row.as_f32() - scroll_pixel_position.y / line_height);
7821 let mut fragment_origin = content_origin + gpui::point(-scroll_pixel_position.x, line_y);
7822 for fragment in &mut self.fragments {
7823 match fragment {
7824 LineFragment::Text(line) => {
7825 fragment_origin.x += line.width;
7826 }
7827 LineFragment::Element { element, size, .. } => {
7828 let mut element = element
7829 .take()
7830 .expect("you can't prepaint LineWithInvisibles twice");
7831
7832 // Center the element vertically within the line.
7833 let mut element_origin = fragment_origin;
7834 element_origin.y += (line_height - size.height) / 2.;
7835 element.prepaint_at(element_origin, window, cx);
7836 line_elements.push(element);
7837
7838 fragment_origin.x += size.width;
7839 }
7840 }
7841 }
7842 }
7843
7844 fn draw(
7845 &self,
7846 layout: &EditorLayout,
7847 row: DisplayRow,
7848 content_origin: gpui::Point<Pixels>,
7849 whitespace_setting: ShowWhitespaceSetting,
7850 selection_ranges: &[Range<DisplayPoint>],
7851 window: &mut Window,
7852 cx: &mut App,
7853 ) {
7854 let line_height = layout.position_map.line_height;
7855 let line_y = line_height
7856 * (row.as_f32() - layout.position_map.scroll_pixel_position.y / line_height);
7857
7858 let mut fragment_origin =
7859 content_origin + gpui::point(-layout.position_map.scroll_pixel_position.x, line_y);
7860
7861 for fragment in &self.fragments {
7862 match fragment {
7863 LineFragment::Text(line) => {
7864 line.paint(fragment_origin, line_height, window, cx)
7865 .log_err();
7866 fragment_origin.x += line.width;
7867 }
7868 LineFragment::Element { size, .. } => {
7869 fragment_origin.x += size.width;
7870 }
7871 }
7872 }
7873
7874 self.draw_invisibles(
7875 selection_ranges,
7876 layout,
7877 content_origin,
7878 line_y,
7879 row,
7880 line_height,
7881 whitespace_setting,
7882 window,
7883 cx,
7884 );
7885 }
7886
7887 fn draw_background(
7888 &self,
7889 layout: &EditorLayout,
7890 row: DisplayRow,
7891 content_origin: gpui::Point<Pixels>,
7892 window: &mut Window,
7893 cx: &mut App,
7894 ) {
7895 let line_height = layout.position_map.line_height;
7896 let line_y = line_height
7897 * (row.as_f32() - layout.position_map.scroll_pixel_position.y / line_height);
7898
7899 let mut fragment_origin =
7900 content_origin + gpui::point(-layout.position_map.scroll_pixel_position.x, line_y);
7901
7902 for fragment in &self.fragments {
7903 match fragment {
7904 LineFragment::Text(line) => {
7905 line.paint_background(fragment_origin, line_height, window, cx)
7906 .log_err();
7907 fragment_origin.x += line.width;
7908 }
7909 LineFragment::Element { size, .. } => {
7910 fragment_origin.x += size.width;
7911 }
7912 }
7913 }
7914 }
7915
7916 fn draw_invisibles(
7917 &self,
7918 selection_ranges: &[Range<DisplayPoint>],
7919 layout: &EditorLayout,
7920 content_origin: gpui::Point<Pixels>,
7921 line_y: Pixels,
7922 row: DisplayRow,
7923 line_height: Pixels,
7924 whitespace_setting: ShowWhitespaceSetting,
7925 window: &mut Window,
7926 cx: &mut App,
7927 ) {
7928 let extract_whitespace_info = |invisible: &Invisible| {
7929 let (token_offset, token_end_offset, invisible_symbol) = match invisible {
7930 Invisible::Tab {
7931 line_start_offset,
7932 line_end_offset,
7933 } => (*line_start_offset, *line_end_offset, &layout.tab_invisible),
7934 Invisible::Whitespace { line_offset } => {
7935 (*line_offset, line_offset + 1, &layout.space_invisible)
7936 }
7937 };
7938
7939 let x_offset = self.x_for_index(token_offset);
7940 let invisible_offset =
7941 (layout.position_map.em_width - invisible_symbol.width).max(Pixels::ZERO) / 2.0;
7942 let origin = content_origin
7943 + gpui::point(
7944 x_offset + invisible_offset - layout.position_map.scroll_pixel_position.x,
7945 line_y,
7946 );
7947
7948 (
7949 [token_offset, token_end_offset],
7950 Box::new(move |window: &mut Window, cx: &mut App| {
7951 invisible_symbol
7952 .paint(origin, line_height, window, cx)
7953 .log_err();
7954 }),
7955 )
7956 };
7957
7958 let invisible_iter = self.invisibles.iter().map(extract_whitespace_info);
7959 match whitespace_setting {
7960 ShowWhitespaceSetting::None => (),
7961 ShowWhitespaceSetting::All => invisible_iter.for_each(|(_, paint)| paint(window, cx)),
7962 ShowWhitespaceSetting::Selection => invisible_iter.for_each(|([start, _], paint)| {
7963 let invisible_point = DisplayPoint::new(row, start as u32);
7964 if !selection_ranges
7965 .iter()
7966 .any(|region| region.start <= invisible_point && invisible_point < region.end)
7967 {
7968 return;
7969 }
7970
7971 paint(window, cx);
7972 }),
7973
7974 ShowWhitespaceSetting::Trailing => {
7975 let mut previous_start = self.len;
7976 for ([start, end], paint) in invisible_iter.rev() {
7977 if previous_start != end {
7978 break;
7979 }
7980 previous_start = start;
7981 paint(window, cx);
7982 }
7983 }
7984
7985 // For a whitespace to be on a boundary, any of the following conditions need to be met:
7986 // - It is a tab
7987 // - It is adjacent to an edge (start or end)
7988 // - It is adjacent to a whitespace (left or right)
7989 ShowWhitespaceSetting::Boundary => {
7990 // 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
7991 // the above cases.
7992 // Note: We zip in the original `invisibles` to check for tab equality
7993 let mut last_seen: Option<(bool, usize, Box<dyn Fn(&mut Window, &mut App)>)> = None;
7994 for (([start, end], paint), invisible) in
7995 invisible_iter.zip_eq(self.invisibles.iter())
7996 {
7997 let should_render = match (&last_seen, invisible) {
7998 (_, Invisible::Tab { .. }) => true,
7999 (Some((_, last_end, _)), _) => *last_end == start,
8000 _ => false,
8001 };
8002
8003 if should_render || start == 0 || end == self.len {
8004 paint(window, cx);
8005
8006 // Since we are scanning from the left, we will skip over the first available whitespace that is part
8007 // of a boundary between non-whitespace segments, so we correct by manually redrawing it if needed.
8008 if let Some((should_render_last, last_end, paint_last)) = last_seen {
8009 // Note that we need to make sure that the last one is actually adjacent
8010 if !should_render_last && last_end == start {
8011 paint_last(window, cx);
8012 }
8013 }
8014 }
8015
8016 // Manually render anything within a selection
8017 let invisible_point = DisplayPoint::new(row, start as u32);
8018 if selection_ranges.iter().any(|region| {
8019 region.start <= invisible_point && invisible_point < region.end
8020 }) {
8021 paint(window, cx);
8022 }
8023
8024 last_seen = Some((should_render, end, paint));
8025 }
8026 }
8027 }
8028 }
8029
8030 pub fn x_for_index(&self, index: usize) -> Pixels {
8031 let mut fragment_start_x = Pixels::ZERO;
8032 let mut fragment_start_index = 0;
8033
8034 for fragment in &self.fragments {
8035 match fragment {
8036 LineFragment::Text(shaped_line) => {
8037 let fragment_end_index = fragment_start_index + shaped_line.len;
8038 if index < fragment_end_index {
8039 return fragment_start_x
8040 + shaped_line.x_for_index(index - fragment_start_index);
8041 }
8042 fragment_start_x += shaped_line.width;
8043 fragment_start_index = fragment_end_index;
8044 }
8045 LineFragment::Element { len, size, .. } => {
8046 let fragment_end_index = fragment_start_index + len;
8047 if index < fragment_end_index {
8048 return fragment_start_x;
8049 }
8050 fragment_start_x += size.width;
8051 fragment_start_index = fragment_end_index;
8052 }
8053 }
8054 }
8055
8056 fragment_start_x
8057 }
8058
8059 pub fn index_for_x(&self, x: Pixels) -> Option<usize> {
8060 let mut fragment_start_x = Pixels::ZERO;
8061 let mut fragment_start_index = 0;
8062
8063 for fragment in &self.fragments {
8064 match fragment {
8065 LineFragment::Text(shaped_line) => {
8066 let fragment_end_x = fragment_start_x + shaped_line.width;
8067 if x < fragment_end_x {
8068 return Some(
8069 fragment_start_index + shaped_line.index_for_x(x - fragment_start_x)?,
8070 );
8071 }
8072 fragment_start_x = fragment_end_x;
8073 fragment_start_index += shaped_line.len;
8074 }
8075 LineFragment::Element { len, size, .. } => {
8076 let fragment_end_x = fragment_start_x + size.width;
8077 if x < fragment_end_x {
8078 return Some(fragment_start_index);
8079 }
8080 fragment_start_index += len;
8081 fragment_start_x = fragment_end_x;
8082 }
8083 }
8084 }
8085
8086 None
8087 }
8088
8089 pub fn font_id_for_index(&self, index: usize) -> Option<FontId> {
8090 let mut fragment_start_index = 0;
8091
8092 for fragment in &self.fragments {
8093 match fragment {
8094 LineFragment::Text(shaped_line) => {
8095 let fragment_end_index = fragment_start_index + shaped_line.len;
8096 if index < fragment_end_index {
8097 return shaped_line.font_id_for_index(index - fragment_start_index);
8098 }
8099 fragment_start_index = fragment_end_index;
8100 }
8101 LineFragment::Element { len, .. } => {
8102 let fragment_end_index = fragment_start_index + len;
8103 if index < fragment_end_index {
8104 return None;
8105 }
8106 fragment_start_index = fragment_end_index;
8107 }
8108 }
8109 }
8110
8111 None
8112 }
8113}
8114
8115#[derive(Debug, Clone, Copy, PartialEq, Eq)]
8116enum Invisible {
8117 /// A tab character
8118 ///
8119 /// A tab character is internally represented by spaces (configured by the user's tab width)
8120 /// aligned to the nearest column, so it's necessary to store the start and end offset for
8121 /// adjacency checks.
8122 Tab {
8123 line_start_offset: usize,
8124 line_end_offset: usize,
8125 },
8126 Whitespace {
8127 line_offset: usize,
8128 },
8129}
8130
8131impl EditorElement {
8132 /// Returns the rem size to use when rendering the [`EditorElement`].
8133 ///
8134 /// This allows UI elements to scale based on the `buffer_font_size`.
8135 fn rem_size(&self, cx: &mut App) -> Option<Pixels> {
8136 match self.editor.read(cx).mode {
8137 EditorMode::Full {
8138 scale_ui_elements_with_buffer_font_size: true,
8139 ..
8140 }
8141 | EditorMode::Minimap { .. } => {
8142 let buffer_font_size = self.style.text.font_size;
8143 match buffer_font_size {
8144 AbsoluteLength::Pixels(pixels) => {
8145 let rem_size_scale = {
8146 // Our default UI font size is 14px on a 16px base scale.
8147 // This means the default UI font size is 0.875rems.
8148 let default_font_size_scale = 14. / ui::BASE_REM_SIZE_IN_PX;
8149
8150 // We then determine the delta between a single rem and the default font
8151 // size scale.
8152 let default_font_size_delta = 1. - default_font_size_scale;
8153
8154 // Finally, we add this delta to 1rem to get the scale factor that
8155 // should be used to scale up the UI.
8156 1. + default_font_size_delta
8157 };
8158
8159 Some(pixels * rem_size_scale)
8160 }
8161 AbsoluteLength::Rems(rems) => {
8162 Some(rems.to_pixels(ui::BASE_REM_SIZE_IN_PX.into()))
8163 }
8164 }
8165 }
8166 // We currently use single-line and auto-height editors in UI contexts,
8167 // so we don't want to scale everything with the buffer font size, as it
8168 // ends up looking off.
8169 _ => None,
8170 }
8171 }
8172
8173 fn editor_with_selections(&self, cx: &App) -> Option<Entity<Editor>> {
8174 if let EditorMode::Minimap { parent } = self.editor.read(cx).mode() {
8175 parent.upgrade()
8176 } else {
8177 Some(self.editor.clone())
8178 }
8179 }
8180}
8181
8182impl Element for EditorElement {
8183 type RequestLayoutState = ();
8184 type PrepaintState = EditorLayout;
8185
8186 fn id(&self) -> Option<ElementId> {
8187 None
8188 }
8189
8190 fn source_location(&self) -> Option<&'static core::panic::Location<'static>> {
8191 None
8192 }
8193
8194 fn request_layout(
8195 &mut self,
8196 _: Option<&GlobalElementId>,
8197 _inspector_id: Option<&gpui::InspectorElementId>,
8198 window: &mut Window,
8199 cx: &mut App,
8200 ) -> (gpui::LayoutId, ()) {
8201 let rem_size = self.rem_size(cx);
8202 window.with_rem_size(rem_size, |window| {
8203 self.editor.update(cx, |editor, cx| {
8204 editor.set_style(self.style.clone(), window, cx);
8205
8206 let layout_id = match editor.mode {
8207 EditorMode::SingleLine => {
8208 let rem_size = window.rem_size();
8209 let height = self.style.text.line_height_in_pixels(rem_size);
8210 let mut style = Style::default();
8211 style.size.height = height.into();
8212 style.size.width = relative(1.).into();
8213 window.request_layout(style, None, cx)
8214 }
8215 EditorMode::AutoHeight {
8216 min_lines,
8217 max_lines,
8218 } => {
8219 let editor_handle = cx.entity();
8220 let max_line_number_width =
8221 self.max_line_number_width(&editor.snapshot(window, cx), window);
8222 window.request_measured_layout(
8223 Style::default(),
8224 move |known_dimensions, available_space, window, cx| {
8225 editor_handle
8226 .update(cx, |editor, cx| {
8227 compute_auto_height_layout(
8228 editor,
8229 min_lines,
8230 max_lines,
8231 max_line_number_width,
8232 known_dimensions,
8233 available_space.width,
8234 window,
8235 cx,
8236 )
8237 })
8238 .unwrap_or_default()
8239 },
8240 )
8241 }
8242 EditorMode::Minimap { .. } => {
8243 let mut style = Style::default();
8244 style.size.width = relative(1.).into();
8245 style.size.height = relative(1.).into();
8246 window.request_layout(style, None, cx)
8247 }
8248 EditorMode::Full {
8249 sized_by_content, ..
8250 } => {
8251 let mut style = Style::default();
8252 style.size.width = relative(1.).into();
8253 if sized_by_content {
8254 let snapshot = editor.snapshot(window, cx);
8255 let line_height =
8256 self.style.text.line_height_in_pixels(window.rem_size());
8257 let scroll_height =
8258 (snapshot.max_point().row().next_row().0 as f32) * line_height;
8259 style.size.height = scroll_height.into();
8260 } else {
8261 style.size.height = relative(1.).into();
8262 }
8263 window.request_layout(style, None, cx)
8264 }
8265 };
8266
8267 (layout_id, ())
8268 })
8269 })
8270 }
8271
8272 fn prepaint(
8273 &mut self,
8274 _: Option<&GlobalElementId>,
8275 _inspector_id: Option<&gpui::InspectorElementId>,
8276 bounds: Bounds<Pixels>,
8277 _: &mut Self::RequestLayoutState,
8278 window: &mut Window,
8279 cx: &mut App,
8280 ) -> Self::PrepaintState {
8281 let text_style = TextStyleRefinement {
8282 font_size: Some(self.style.text.font_size),
8283 line_height: Some(self.style.text.line_height),
8284 ..Default::default()
8285 };
8286
8287 let is_minimap = self.editor.read(cx).mode.is_minimap();
8288
8289 if !is_minimap {
8290 let focus_handle = self.editor.focus_handle(cx);
8291 window.set_view_id(self.editor.entity_id());
8292 window.set_focus_handle(&focus_handle, cx);
8293 }
8294
8295 let rem_size = self.rem_size(cx);
8296 let content_mask = ContentMask {
8297 bounds,
8298 ..Default::default()
8299 };
8300 window.with_rem_size(rem_size, |window| {
8301 window.with_text_style(Some(text_style), |window| {
8302 window.with_content_mask(Some(content_mask), |window| {
8303 let (mut snapshot, is_read_only) = self.editor.update(cx, |editor, cx| {
8304 (editor.snapshot(window, cx), editor.read_only(cx))
8305 });
8306 let style = self.style.clone();
8307
8308 let rem_size = window.rem_size();
8309 let font_id = window.text_system().resolve_font(&style.text.font());
8310 let font_size = style.text.font_size.to_pixels(rem_size);
8311 let line_height = style.text.line_height_in_pixels(rem_size);
8312 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
8313 let em_advance = window.text_system().em_advance(font_id, font_size).unwrap();
8314 let glyph_grid_cell = size(em_advance, line_height);
8315
8316 let gutter_dimensions = snapshot
8317 .gutter_dimensions(
8318 font_id,
8319 font_size,
8320 self.max_line_number_width(&snapshot, window),
8321 cx,
8322 )
8323 .or_else(|| {
8324 self.editor.read(cx).offset_content.then(|| {
8325 GutterDimensions::default_with_margin(font_id, font_size, cx)
8326 })
8327 })
8328 .unwrap_or_default();
8329 let text_width = bounds.size.width - gutter_dimensions.width;
8330
8331 let settings = EditorSettings::get_global(cx);
8332 let scrollbars_shown = settings.scrollbar.show != ShowScrollbar::Never;
8333 let vertical_scrollbar_width = (scrollbars_shown
8334 && settings.scrollbar.axes.vertical
8335 && self.editor.read(cx).show_scrollbars.vertical)
8336 .then_some(style.scrollbar_width)
8337 .unwrap_or_default();
8338 let minimap_width = self
8339 .get_minimap_width(
8340 &settings.minimap,
8341 scrollbars_shown,
8342 text_width,
8343 em_width,
8344 font_size,
8345 rem_size,
8346 cx,
8347 )
8348 .unwrap_or_default();
8349
8350 let right_margin = minimap_width + vertical_scrollbar_width;
8351
8352 let editor_width =
8353 text_width - gutter_dimensions.margin - 2 * em_width - right_margin;
8354 let editor_margins = EditorMargins {
8355 gutter: gutter_dimensions,
8356 right: right_margin,
8357 };
8358
8359 snapshot = self.editor.update(cx, |editor, cx| {
8360 editor.last_bounds = Some(bounds);
8361 editor.gutter_dimensions = gutter_dimensions;
8362 editor.set_visible_line_count(bounds.size.height / line_height, window, cx);
8363 editor.set_visible_column_count(editor_width / em_advance);
8364
8365 if matches!(
8366 editor.mode,
8367 EditorMode::AutoHeight { .. } | EditorMode::Minimap { .. }
8368 ) {
8369 snapshot
8370 } else {
8371 let wrap_width_for = |column: u32| (column as f32 * em_advance).ceil();
8372 let wrap_width = match editor.soft_wrap_mode(cx) {
8373 SoftWrap::GitDiff => None,
8374 SoftWrap::None => Some(wrap_width_for(MAX_LINE_LEN as u32 / 2)),
8375 SoftWrap::EditorWidth => Some(editor_width),
8376 SoftWrap::Column(column) => Some(wrap_width_for(column)),
8377 SoftWrap::Bounded(column) => {
8378 Some(editor_width.min(wrap_width_for(column)))
8379 }
8380 };
8381
8382 if editor.set_wrap_width(wrap_width, cx) {
8383 editor.snapshot(window, cx)
8384 } else {
8385 snapshot
8386 }
8387 }
8388 });
8389
8390 let hitbox = window.insert_hitbox(bounds, HitboxBehavior::Normal);
8391 let gutter_hitbox = window.insert_hitbox(
8392 gutter_bounds(bounds, gutter_dimensions),
8393 HitboxBehavior::Normal,
8394 );
8395 let text_hitbox = window.insert_hitbox(
8396 Bounds {
8397 origin: gutter_hitbox.top_right(),
8398 size: size(text_width, bounds.size.height),
8399 },
8400 HitboxBehavior::Normal,
8401 );
8402
8403 // Offset the content_bounds from the text_bounds by the gutter margin (which
8404 // is roughly half a character wide) to make hit testing work more like how we want.
8405 let content_offset = point(editor_margins.gutter.margin, Pixels::ZERO);
8406 let content_origin = text_hitbox.origin + content_offset;
8407
8408 let height_in_lines = bounds.size.height / line_height;
8409 let max_row = snapshot.max_point().row().as_f32();
8410
8411 // The max scroll position for the top of the window
8412 let max_scroll_top = if matches!(
8413 snapshot.mode,
8414 EditorMode::SingleLine
8415 | EditorMode::AutoHeight { .. }
8416 | EditorMode::Full {
8417 sized_by_content: true,
8418 ..
8419 }
8420 ) {
8421 (max_row - height_in_lines + 1.).max(0.)
8422 } else {
8423 let settings = EditorSettings::get_global(cx);
8424 match settings.scroll_beyond_last_line {
8425 ScrollBeyondLastLine::OnePage => max_row,
8426 ScrollBeyondLastLine::Off => (max_row - height_in_lines + 1.).max(0.),
8427 ScrollBeyondLastLine::VerticalScrollMargin => {
8428 (max_row - height_in_lines + 1. + settings.vertical_scroll_margin)
8429 .max(0.)
8430 }
8431 }
8432 };
8433
8434 let (
8435 autoscroll_request,
8436 autoscroll_containing_element,
8437 needs_horizontal_autoscroll,
8438 ) = self.editor.update(cx, |editor, cx| {
8439 let autoscroll_request = editor.scroll_manager.take_autoscroll_request();
8440
8441 let autoscroll_containing_element =
8442 autoscroll_request.is_some() || editor.has_pending_selection();
8443
8444 let (needs_horizontal_autoscroll, was_scrolled) = editor
8445 .autoscroll_vertically(
8446 bounds,
8447 line_height,
8448 max_scroll_top,
8449 autoscroll_request,
8450 window,
8451 cx,
8452 );
8453 if was_scrolled.0 {
8454 snapshot = editor.snapshot(window, cx);
8455 }
8456 (
8457 autoscroll_request,
8458 autoscroll_containing_element,
8459 needs_horizontal_autoscroll,
8460 )
8461 });
8462
8463 let mut scroll_position = snapshot.scroll_position();
8464 // The scroll position is a fractional point, the whole number of which represents
8465 // the top of the window in terms of display rows.
8466 let start_row = DisplayRow(scroll_position.y as u32);
8467 let max_row = snapshot.max_point().row();
8468 let end_row = cmp::min(
8469 (scroll_position.y + height_in_lines).ceil() as u32,
8470 max_row.next_row().0,
8471 );
8472 let end_row = DisplayRow(end_row);
8473
8474 let row_infos = snapshot
8475 .row_infos(start_row)
8476 .take((start_row..end_row).len())
8477 .collect::<Vec<RowInfo>>();
8478 let is_row_soft_wrapped = |row: usize| {
8479 row_infos
8480 .get(row)
8481 .is_none_or(|info| info.buffer_row.is_none())
8482 };
8483
8484 let start_anchor = if start_row == Default::default() {
8485 Anchor::min()
8486 } else {
8487 snapshot.buffer_snapshot.anchor_before(
8488 DisplayPoint::new(start_row, 0).to_offset(&snapshot, Bias::Left),
8489 )
8490 };
8491 let end_anchor = if end_row > max_row {
8492 Anchor::max()
8493 } else {
8494 snapshot.buffer_snapshot.anchor_before(
8495 DisplayPoint::new(end_row, 0).to_offset(&snapshot, Bias::Right),
8496 )
8497 };
8498
8499 let mut highlighted_rows = self
8500 .editor
8501 .update(cx, |editor, cx| editor.highlighted_display_rows(window, cx));
8502
8503 let is_light = cx.theme().appearance().is_light();
8504
8505 for (ix, row_info) in row_infos.iter().enumerate() {
8506 let Some(diff_status) = row_info.diff_status else {
8507 continue;
8508 };
8509
8510 let background_color = match diff_status.kind {
8511 DiffHunkStatusKind::Added => cx.theme().colors().version_control_added,
8512 DiffHunkStatusKind::Deleted => {
8513 cx.theme().colors().version_control_deleted
8514 }
8515 DiffHunkStatusKind::Modified => {
8516 debug_panic!("modified diff status for row info");
8517 continue;
8518 }
8519 };
8520
8521 let hunk_opacity = if is_light { 0.16 } else { 0.12 };
8522
8523 let hollow_highlight = LineHighlight {
8524 background: (background_color.opacity(if is_light {
8525 0.08
8526 } else {
8527 0.06
8528 }))
8529 .into(),
8530 border: Some(if is_light {
8531 background_color.opacity(0.48)
8532 } else {
8533 background_color.opacity(0.36)
8534 }),
8535 include_gutter: true,
8536 type_id: None,
8537 };
8538
8539 let filled_highlight = LineHighlight {
8540 background: solid_background(background_color.opacity(hunk_opacity)),
8541 border: None,
8542 include_gutter: true,
8543 type_id: None,
8544 };
8545
8546 let background = if Self::diff_hunk_hollow(diff_status, cx) {
8547 hollow_highlight
8548 } else {
8549 filled_highlight
8550 };
8551
8552 highlighted_rows
8553 .entry(start_row + DisplayRow(ix as u32))
8554 .or_insert(background);
8555 }
8556
8557 let highlighted_ranges = self
8558 .editor_with_selections(cx)
8559 .map(|editor| {
8560 editor.read(cx).background_highlights_in_range(
8561 start_anchor..end_anchor,
8562 &snapshot.display_snapshot,
8563 cx.theme(),
8564 )
8565 })
8566 .unwrap_or_default();
8567 let highlighted_gutter_ranges =
8568 self.editor.read(cx).gutter_highlights_in_range(
8569 start_anchor..end_anchor,
8570 &snapshot.display_snapshot,
8571 cx,
8572 );
8573
8574 let document_colors = self
8575 .editor
8576 .read(cx)
8577 .colors
8578 .as_ref()
8579 .map(|colors| colors.editor_display_highlights(&snapshot));
8580 let redacted_ranges = self.editor.read(cx).redacted_ranges(
8581 start_anchor..end_anchor,
8582 &snapshot.display_snapshot,
8583 cx,
8584 );
8585
8586 let (local_selections, selected_buffer_ids): (
8587 Vec<Selection<Point>>,
8588 Vec<BufferId>,
8589 ) = self
8590 .editor_with_selections(cx)
8591 .map(|editor| {
8592 editor.update(cx, |editor, cx| {
8593 let all_selections = editor.selections.all::<Point>(cx);
8594 let selected_buffer_ids = if editor.is_singleton(cx) {
8595 Vec::new()
8596 } else {
8597 let mut selected_buffer_ids =
8598 Vec::with_capacity(all_selections.len());
8599
8600 for selection in all_selections {
8601 for buffer_id in snapshot
8602 .buffer_snapshot
8603 .buffer_ids_for_range(selection.range())
8604 {
8605 if selected_buffer_ids.last() != Some(&buffer_id) {
8606 selected_buffer_ids.push(buffer_id);
8607 }
8608 }
8609 }
8610
8611 selected_buffer_ids
8612 };
8613
8614 let mut selections = editor
8615 .selections
8616 .disjoint_in_range(start_anchor..end_anchor, cx);
8617 selections.extend(editor.selections.pending(cx));
8618
8619 (selections, selected_buffer_ids)
8620 })
8621 })
8622 .unwrap_or_default();
8623
8624 let (selections, mut active_rows, newest_selection_head) = self
8625 .layout_selections(
8626 start_anchor,
8627 end_anchor,
8628 &local_selections,
8629 &snapshot,
8630 start_row,
8631 end_row,
8632 window,
8633 cx,
8634 );
8635 let mut breakpoint_rows = self.editor.update(cx, |editor, cx| {
8636 editor.active_breakpoints(start_row..end_row, window, cx)
8637 });
8638 for (display_row, (_, bp, state)) in &breakpoint_rows {
8639 if bp.is_enabled() && state.is_none_or(|s| s.verified) {
8640 active_rows.entry(*display_row).or_default().breakpoint = true;
8641 }
8642 }
8643
8644 let line_numbers = self.layout_line_numbers(
8645 Some(&gutter_hitbox),
8646 gutter_dimensions,
8647 line_height,
8648 scroll_position,
8649 start_row..end_row,
8650 &row_infos,
8651 &active_rows,
8652 newest_selection_head,
8653 &snapshot,
8654 window,
8655 cx,
8656 );
8657
8658 // We add the gutter breakpoint indicator to breakpoint_rows after painting
8659 // line numbers so we don't paint a line number debug accent color if a user
8660 // has their mouse over that line when a breakpoint isn't there
8661 self.editor.update(cx, |editor, _| {
8662 if let Some(phantom_breakpoint) = &mut editor
8663 .gutter_breakpoint_indicator
8664 .0
8665 .filter(|phantom_breakpoint| phantom_breakpoint.is_active)
8666 {
8667 // Is there a non-phantom breakpoint on this line?
8668 phantom_breakpoint.collides_with_existing_breakpoint = true;
8669 breakpoint_rows
8670 .entry(phantom_breakpoint.display_row)
8671 .or_insert_with(|| {
8672 let position = snapshot.display_point_to_anchor(
8673 DisplayPoint::new(phantom_breakpoint.display_row, 0),
8674 Bias::Right,
8675 );
8676 let breakpoint = Breakpoint::new_standard();
8677 phantom_breakpoint.collides_with_existing_breakpoint = false;
8678 (position, breakpoint, None)
8679 });
8680 }
8681 });
8682
8683 let mut expand_toggles =
8684 window.with_element_namespace("expand_toggles", |window| {
8685 self.layout_expand_toggles(
8686 &gutter_hitbox,
8687 gutter_dimensions,
8688 em_width,
8689 line_height,
8690 scroll_position,
8691 &row_infos,
8692 window,
8693 cx,
8694 )
8695 });
8696
8697 let mut crease_toggles =
8698 window.with_element_namespace("crease_toggles", |window| {
8699 self.layout_crease_toggles(
8700 start_row..end_row,
8701 &row_infos,
8702 &active_rows,
8703 &snapshot,
8704 window,
8705 cx,
8706 )
8707 });
8708 let crease_trailers =
8709 window.with_element_namespace("crease_trailers", |window| {
8710 self.layout_crease_trailers(
8711 row_infos.iter().copied(),
8712 &snapshot,
8713 window,
8714 cx,
8715 )
8716 });
8717
8718 let display_hunks = self.layout_gutter_diff_hunks(
8719 line_height,
8720 &gutter_hitbox,
8721 start_row..end_row,
8722 &snapshot,
8723 window,
8724 cx,
8725 );
8726
8727 let bg_segments_per_row = Self::bg_segments_per_row(
8728 start_row..end_row,
8729 &selections,
8730 &highlighted_ranges,
8731 self.style.background,
8732 );
8733
8734 let mut line_layouts = Self::layout_lines(
8735 start_row..end_row,
8736 &snapshot,
8737 &self.style,
8738 editor_width,
8739 is_row_soft_wrapped,
8740 &bg_segments_per_row,
8741 window,
8742 cx,
8743 );
8744 let new_renderer_widths = (!is_minimap).then(|| {
8745 line_layouts
8746 .iter()
8747 .flat_map(|layout| &layout.fragments)
8748 .filter_map(|fragment| {
8749 if let LineFragment::Element { id, size, .. } = fragment {
8750 Some((*id, size.width))
8751 } else {
8752 None
8753 }
8754 })
8755 });
8756 if new_renderer_widths.is_some_and(|new_renderer_widths| {
8757 self.editor.update(cx, |editor, cx| {
8758 editor.update_renderer_widths(new_renderer_widths, cx)
8759 })
8760 }) {
8761 // If the fold widths have changed, we need to prepaint
8762 // the element again to account for any changes in
8763 // wrapping.
8764 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
8765 }
8766
8767 let longest_line_blame_width = self
8768 .editor
8769 .update(cx, |editor, cx| {
8770 if !editor.show_git_blame_inline {
8771 return None;
8772 }
8773 let blame = editor.blame.as_ref()?;
8774 let (_, blame_entry) = blame
8775 .update(cx, |blame, cx| {
8776 let row_infos =
8777 snapshot.row_infos(snapshot.longest_row()).next()?;
8778 blame.blame_for_rows(&[row_infos], cx).next()
8779 })
8780 .flatten()?;
8781 let mut element = render_inline_blame_entry(blame_entry, &style, cx)?;
8782 let inline_blame_padding = ProjectSettings::get_global(cx)
8783 .git
8784 .inline_blame
8785 .unwrap_or_default()
8786 .padding
8787 as f32
8788 * em_advance;
8789 Some(
8790 element
8791 .layout_as_root(AvailableSpace::min_size(), window, cx)
8792 .width
8793 + inline_blame_padding,
8794 )
8795 })
8796 .unwrap_or(Pixels::ZERO);
8797
8798 let longest_line_width = layout_line(
8799 snapshot.longest_row(),
8800 &snapshot,
8801 &style,
8802 editor_width,
8803 is_row_soft_wrapped,
8804 window,
8805 cx,
8806 )
8807 .width;
8808
8809 let scrollbar_layout_information = ScrollbarLayoutInformation::new(
8810 text_hitbox.bounds,
8811 glyph_grid_cell,
8812 size(longest_line_width, max_row.as_f32() * line_height),
8813 longest_line_blame_width,
8814 EditorSettings::get_global(cx),
8815 );
8816
8817 let mut scroll_width = scrollbar_layout_information.scroll_range.width;
8818
8819 let sticky_header_excerpt = if snapshot.buffer_snapshot.show_headers() {
8820 snapshot.sticky_header_excerpt(scroll_position.y)
8821 } else {
8822 None
8823 };
8824 let sticky_header_excerpt_id =
8825 sticky_header_excerpt.as_ref().map(|top| top.excerpt.id);
8826
8827 let blocks = (!is_minimap)
8828 .then(|| {
8829 window.with_element_namespace("blocks", |window| {
8830 self.render_blocks(
8831 start_row..end_row,
8832 &snapshot,
8833 &hitbox,
8834 &text_hitbox,
8835 editor_width,
8836 &mut scroll_width,
8837 &editor_margins,
8838 em_width,
8839 gutter_dimensions.full_width(),
8840 line_height,
8841 &mut line_layouts,
8842 &local_selections,
8843 &selected_buffer_ids,
8844 is_row_soft_wrapped,
8845 sticky_header_excerpt_id,
8846 window,
8847 cx,
8848 )
8849 })
8850 })
8851 .unwrap_or_else(|| Ok((Vec::default(), HashMap::default())));
8852 let (mut blocks, row_block_types) = match blocks {
8853 Ok(blocks) => blocks,
8854 Err(resized_blocks) => {
8855 self.editor.update(cx, |editor, cx| {
8856 editor.resize_blocks(
8857 resized_blocks,
8858 autoscroll_request.map(|(autoscroll, _)| autoscroll),
8859 cx,
8860 )
8861 });
8862 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
8863 }
8864 };
8865
8866 let sticky_buffer_header = sticky_header_excerpt.map(|sticky_header_excerpt| {
8867 window.with_element_namespace("blocks", |window| {
8868 self.layout_sticky_buffer_header(
8869 sticky_header_excerpt,
8870 scroll_position.y,
8871 line_height,
8872 right_margin,
8873 &snapshot,
8874 &hitbox,
8875 &selected_buffer_ids,
8876 &blocks,
8877 window,
8878 cx,
8879 )
8880 })
8881 });
8882
8883 let start_buffer_row =
8884 MultiBufferRow(start_anchor.to_point(&snapshot.buffer_snapshot).row);
8885 let end_buffer_row =
8886 MultiBufferRow(end_anchor.to_point(&snapshot.buffer_snapshot).row);
8887
8888 let scroll_max = point(
8889 ((scroll_width - editor_width) / em_advance).max(0.0),
8890 max_scroll_top,
8891 );
8892
8893 self.editor.update(cx, |editor, cx| {
8894 if editor.scroll_manager.clamp_scroll_left(scroll_max.x) {
8895 scroll_position.x = scroll_position.x.min(scroll_max.x);
8896 }
8897
8898 if needs_horizontal_autoscroll.0
8899 && let Some(new_scroll_position) = editor.autoscroll_horizontally(
8900 start_row,
8901 editor_width,
8902 scroll_width,
8903 em_advance,
8904 &line_layouts,
8905 autoscroll_request,
8906 window,
8907 cx,
8908 )
8909 {
8910 scroll_position = new_scroll_position;
8911 }
8912 });
8913
8914 let scroll_pixel_position = point(
8915 scroll_position.x * em_advance,
8916 scroll_position.y * line_height,
8917 );
8918 let indent_guides = self.layout_indent_guides(
8919 content_origin,
8920 text_hitbox.origin,
8921 start_buffer_row..end_buffer_row,
8922 scroll_pixel_position,
8923 line_height,
8924 &snapshot,
8925 window,
8926 cx,
8927 );
8928
8929 let crease_trailers =
8930 window.with_element_namespace("crease_trailers", |window| {
8931 self.prepaint_crease_trailers(
8932 crease_trailers,
8933 &line_layouts,
8934 line_height,
8935 content_origin,
8936 scroll_pixel_position,
8937 em_width,
8938 window,
8939 cx,
8940 )
8941 });
8942
8943 let (edit_prediction_popover, edit_prediction_popover_origin) = self
8944 .editor
8945 .update(cx, |editor, cx| {
8946 editor.render_edit_prediction_popover(
8947 &text_hitbox.bounds,
8948 content_origin,
8949 right_margin,
8950 &snapshot,
8951 start_row..end_row,
8952 scroll_position.y,
8953 scroll_position.y + height_in_lines,
8954 &line_layouts,
8955 line_height,
8956 scroll_pixel_position,
8957 newest_selection_head,
8958 editor_width,
8959 &style,
8960 window,
8961 cx,
8962 )
8963 })
8964 .unzip();
8965
8966 let mut inline_diagnostics = self.layout_inline_diagnostics(
8967 &line_layouts,
8968 &crease_trailers,
8969 &row_block_types,
8970 content_origin,
8971 scroll_pixel_position,
8972 edit_prediction_popover_origin,
8973 start_row,
8974 end_row,
8975 line_height,
8976 em_width,
8977 &style,
8978 window,
8979 cx,
8980 );
8981
8982 let mut inline_blame_layout = None;
8983 let mut inline_code_actions = None;
8984 if let Some(newest_selection_head) = newest_selection_head {
8985 let display_row = newest_selection_head.row();
8986 if (start_row..end_row).contains(&display_row)
8987 && !row_block_types.contains_key(&display_row)
8988 {
8989 inline_code_actions = self.layout_inline_code_actions(
8990 newest_selection_head,
8991 content_origin,
8992 scroll_pixel_position,
8993 line_height,
8994 &snapshot,
8995 window,
8996 cx,
8997 );
8998
8999 let line_ix = display_row.minus(start_row) as usize;
9000 if let (Some(row_info), Some(line_layout), Some(crease_trailer)) = (
9001 row_infos.get(line_ix),
9002 line_layouts.get(line_ix),
9003 crease_trailers.get(line_ix),
9004 ) {
9005 let crease_trailer_layout = crease_trailer.as_ref();
9006 if let Some(layout) = self.layout_inline_blame(
9007 display_row,
9008 row_info,
9009 line_layout,
9010 crease_trailer_layout,
9011 em_width,
9012 content_origin,
9013 scroll_pixel_position,
9014 line_height,
9015 &text_hitbox,
9016 window,
9017 cx,
9018 ) {
9019 inline_blame_layout = Some(layout);
9020 // Blame overrides inline diagnostics
9021 inline_diagnostics.remove(&display_row);
9022 }
9023 } else {
9024 log::error!(
9025 "bug: line_ix {} is out of bounds - row_infos.len(): {}, \
9026 line_layouts.len(): {}, \
9027 crease_trailers.len(): {}",
9028 line_ix,
9029 row_infos.len(),
9030 line_layouts.len(),
9031 crease_trailers.len(),
9032 );
9033 }
9034 }
9035 }
9036
9037 let blamed_display_rows = self.layout_blame_entries(
9038 &row_infos,
9039 em_width,
9040 scroll_position,
9041 line_height,
9042 &gutter_hitbox,
9043 gutter_dimensions.git_blame_entries_width,
9044 window,
9045 cx,
9046 );
9047
9048 let line_elements = self.prepaint_lines(
9049 start_row,
9050 &mut line_layouts,
9051 line_height,
9052 scroll_pixel_position,
9053 content_origin,
9054 window,
9055 cx,
9056 );
9057
9058 window.with_element_namespace("blocks", |window| {
9059 self.layout_blocks(
9060 &mut blocks,
9061 &hitbox,
9062 line_height,
9063 scroll_pixel_position,
9064 window,
9065 cx,
9066 );
9067 });
9068
9069 let cursors = self.collect_cursors(&snapshot, cx);
9070 let visible_row_range = start_row..end_row;
9071 let non_visible_cursors = cursors
9072 .iter()
9073 .any(|c| !visible_row_range.contains(&c.0.row()));
9074
9075 let visible_cursors = self.layout_visible_cursors(
9076 &snapshot,
9077 &selections,
9078 &row_block_types,
9079 start_row..end_row,
9080 &line_layouts,
9081 &text_hitbox,
9082 content_origin,
9083 scroll_position,
9084 scroll_pixel_position,
9085 line_height,
9086 em_width,
9087 em_advance,
9088 autoscroll_containing_element,
9089 window,
9090 cx,
9091 );
9092
9093 let scrollbars_layout = self.layout_scrollbars(
9094 &snapshot,
9095 &scrollbar_layout_information,
9096 content_offset,
9097 scroll_position,
9098 non_visible_cursors,
9099 right_margin,
9100 editor_width,
9101 window,
9102 cx,
9103 );
9104
9105 let gutter_settings = EditorSettings::get_global(cx).gutter;
9106
9107 let context_menu_layout =
9108 if let Some(newest_selection_head) = newest_selection_head {
9109 let newest_selection_point =
9110 newest_selection_head.to_point(&snapshot.display_snapshot);
9111 if (start_row..end_row).contains(&newest_selection_head.row()) {
9112 self.layout_cursor_popovers(
9113 line_height,
9114 &text_hitbox,
9115 content_origin,
9116 right_margin,
9117 start_row,
9118 scroll_pixel_position,
9119 &line_layouts,
9120 newest_selection_head,
9121 newest_selection_point,
9122 &style,
9123 window,
9124 cx,
9125 )
9126 } else {
9127 None
9128 }
9129 } else {
9130 None
9131 };
9132
9133 self.layout_gutter_menu(
9134 line_height,
9135 &text_hitbox,
9136 content_origin,
9137 right_margin,
9138 scroll_pixel_position,
9139 gutter_dimensions.width - gutter_dimensions.left_padding,
9140 window,
9141 cx,
9142 );
9143
9144 let test_indicators = if gutter_settings.runnables {
9145 self.layout_run_indicators(
9146 line_height,
9147 start_row..end_row,
9148 &row_infos,
9149 scroll_pixel_position,
9150 &gutter_dimensions,
9151 &gutter_hitbox,
9152 &display_hunks,
9153 &snapshot,
9154 &mut breakpoint_rows,
9155 window,
9156 cx,
9157 )
9158 } else {
9159 Vec::new()
9160 };
9161
9162 let show_breakpoints = snapshot
9163 .show_breakpoints
9164 .unwrap_or(gutter_settings.breakpoints);
9165 let breakpoints = if show_breakpoints {
9166 self.layout_breakpoints(
9167 line_height,
9168 start_row..end_row,
9169 scroll_pixel_position,
9170 &gutter_dimensions,
9171 &gutter_hitbox,
9172 &display_hunks,
9173 &snapshot,
9174 breakpoint_rows,
9175 &row_infos,
9176 window,
9177 cx,
9178 )
9179 } else {
9180 Vec::new()
9181 };
9182
9183 self.layout_signature_help(
9184 &hitbox,
9185 content_origin,
9186 scroll_pixel_position,
9187 newest_selection_head,
9188 start_row,
9189 &line_layouts,
9190 line_height,
9191 em_width,
9192 context_menu_layout,
9193 window,
9194 cx,
9195 );
9196
9197 if !cx.has_active_drag() {
9198 self.layout_hover_popovers(
9199 &snapshot,
9200 &hitbox,
9201 start_row..end_row,
9202 content_origin,
9203 scroll_pixel_position,
9204 &line_layouts,
9205 line_height,
9206 em_width,
9207 context_menu_layout,
9208 window,
9209 cx,
9210 );
9211 }
9212
9213 let mouse_context_menu = self.layout_mouse_context_menu(
9214 &snapshot,
9215 start_row..end_row,
9216 content_origin,
9217 window,
9218 cx,
9219 );
9220
9221 window.with_element_namespace("crease_toggles", |window| {
9222 self.prepaint_crease_toggles(
9223 &mut crease_toggles,
9224 line_height,
9225 &gutter_dimensions,
9226 gutter_settings,
9227 scroll_pixel_position,
9228 &gutter_hitbox,
9229 window,
9230 cx,
9231 )
9232 });
9233
9234 window.with_element_namespace("expand_toggles", |window| {
9235 self.prepaint_expand_toggles(&mut expand_toggles, window, cx)
9236 });
9237
9238 let wrap_guides = self.layout_wrap_guides(
9239 em_advance,
9240 scroll_position,
9241 content_origin,
9242 scrollbars_layout.as_ref(),
9243 vertical_scrollbar_width,
9244 &hitbox,
9245 window,
9246 cx,
9247 );
9248
9249 let minimap = window.with_element_namespace("minimap", |window| {
9250 self.layout_minimap(
9251 &snapshot,
9252 minimap_width,
9253 scroll_position,
9254 &scrollbar_layout_information,
9255 scrollbars_layout.as_ref(),
9256 window,
9257 cx,
9258 )
9259 });
9260
9261 let invisible_symbol_font_size = font_size / 2.;
9262 let tab_invisible = window.text_system().shape_line(
9263 "β".into(),
9264 invisible_symbol_font_size,
9265 &[TextRun {
9266 len: "β".len(),
9267 font: self.style.text.font(),
9268 color: cx.theme().colors().editor_invisible,
9269 background_color: None,
9270 underline: None,
9271 strikethrough: None,
9272 }],
9273 None,
9274 );
9275 let space_invisible = window.text_system().shape_line(
9276 "β’".into(),
9277 invisible_symbol_font_size,
9278 &[TextRun {
9279 len: "β’".len(),
9280 font: self.style.text.font(),
9281 color: cx.theme().colors().editor_invisible,
9282 background_color: None,
9283 underline: None,
9284 strikethrough: None,
9285 }],
9286 None,
9287 );
9288
9289 let mode = snapshot.mode.clone();
9290
9291 let (diff_hunk_controls, diff_hunk_control_bounds) = if is_read_only {
9292 (vec![], vec![])
9293 } else {
9294 self.layout_diff_hunk_controls(
9295 start_row..end_row,
9296 &row_infos,
9297 &text_hitbox,
9298 newest_selection_head,
9299 line_height,
9300 right_margin,
9301 scroll_pixel_position,
9302 &display_hunks,
9303 &highlighted_rows,
9304 self.editor.clone(),
9305 window,
9306 cx,
9307 )
9308 };
9309
9310 let position_map = Rc::new(PositionMap {
9311 size: bounds.size,
9312 visible_row_range,
9313 scroll_pixel_position,
9314 scroll_max,
9315 line_layouts,
9316 line_height,
9317 em_width,
9318 em_advance,
9319 snapshot,
9320 gutter_hitbox: gutter_hitbox.clone(),
9321 text_hitbox: text_hitbox.clone(),
9322 inline_blame_bounds: inline_blame_layout
9323 .as_ref()
9324 .map(|layout| (layout.bounds, layout.buffer_id, layout.entry.clone())),
9325 display_hunks: display_hunks.clone(),
9326 diff_hunk_control_bounds,
9327 });
9328
9329 self.editor.update(cx, |editor, _| {
9330 editor.last_position_map = Some(position_map.clone())
9331 });
9332
9333 EditorLayout {
9334 mode,
9335 position_map,
9336 visible_display_row_range: start_row..end_row,
9337 wrap_guides,
9338 indent_guides,
9339 hitbox,
9340 gutter_hitbox,
9341 display_hunks,
9342 content_origin,
9343 scrollbars_layout,
9344 minimap,
9345 active_rows,
9346 highlighted_rows,
9347 highlighted_ranges,
9348 highlighted_gutter_ranges,
9349 redacted_ranges,
9350 document_colors,
9351 line_elements,
9352 line_numbers,
9353 blamed_display_rows,
9354 inline_diagnostics,
9355 inline_blame_layout,
9356 inline_code_actions,
9357 blocks,
9358 cursors,
9359 visible_cursors,
9360 selections,
9361 edit_prediction_popover,
9362 diff_hunk_controls,
9363 mouse_context_menu,
9364 test_indicators,
9365 breakpoints,
9366 crease_toggles,
9367 crease_trailers,
9368 tab_invisible,
9369 space_invisible,
9370 sticky_buffer_header,
9371 expand_toggles,
9372 }
9373 })
9374 })
9375 })
9376 }
9377
9378 fn paint(
9379 &mut self,
9380 _: Option<&GlobalElementId>,
9381 _inspector_id: Option<&gpui::InspectorElementId>,
9382 bounds: Bounds<gpui::Pixels>,
9383 _: &mut Self::RequestLayoutState,
9384 layout: &mut Self::PrepaintState,
9385 window: &mut Window,
9386 cx: &mut App,
9387 ) {
9388 if !layout.mode.is_minimap() {
9389 let focus_handle = self.editor.focus_handle(cx);
9390 let key_context = self
9391 .editor
9392 .update(cx, |editor, cx| editor.key_context(window, cx));
9393
9394 window.set_key_context(key_context);
9395 window.handle_input(
9396 &focus_handle,
9397 ElementInputHandler::new(bounds, self.editor.clone()),
9398 cx,
9399 );
9400 self.register_actions(window, cx);
9401 self.register_key_listeners(window, cx, layout);
9402 }
9403
9404 let text_style = TextStyleRefinement {
9405 font_size: Some(self.style.text.font_size),
9406 line_height: Some(self.style.text.line_height),
9407 ..Default::default()
9408 };
9409 let rem_size = self.rem_size(cx);
9410 let content_mask = ContentMask {
9411 bounds,
9412 ..Default::default()
9413 };
9414 window.with_rem_size(rem_size, |window| {
9415 window.with_text_style(Some(text_style), |window| {
9416 window.with_content_mask(Some(content_mask), |window| {
9417 self.paint_mouse_listeners(layout, window, cx);
9418 self.paint_background(layout, window, cx);
9419 self.paint_indent_guides(layout, window, cx);
9420
9421 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9422 self.paint_blamed_display_rows(layout, window, cx);
9423 self.paint_line_numbers(layout, window, cx);
9424 }
9425
9426 self.paint_text(layout, window, cx);
9427
9428 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9429 self.paint_gutter_highlights(layout, window, cx);
9430 self.paint_gutter_indicators(layout, window, cx);
9431 }
9432
9433 if !layout.blocks.is_empty() {
9434 window.with_element_namespace("blocks", |window| {
9435 self.paint_blocks(layout, window, cx);
9436 });
9437 }
9438
9439 window.with_element_namespace("blocks", |window| {
9440 if let Some(mut sticky_header) = layout.sticky_buffer_header.take() {
9441 sticky_header.paint(window, cx)
9442 }
9443 });
9444
9445 self.paint_minimap(layout, window, cx);
9446 self.paint_scrollbars(layout, window, cx);
9447 self.paint_edit_prediction_popover(layout, window, cx);
9448 self.paint_mouse_context_menu(layout, window, cx);
9449 });
9450 })
9451 })
9452 }
9453}
9454
9455pub(super) fn gutter_bounds(
9456 editor_bounds: Bounds<Pixels>,
9457 gutter_dimensions: GutterDimensions,
9458) -> Bounds<Pixels> {
9459 Bounds {
9460 origin: editor_bounds.origin,
9461 size: size(gutter_dimensions.width, editor_bounds.size.height),
9462 }
9463}
9464
9465#[derive(Clone, Copy)]
9466struct ContextMenuLayout {
9467 y_flipped: bool,
9468 bounds: Bounds<Pixels>,
9469}
9470
9471/// Holds information required for layouting the editor scrollbars.
9472struct ScrollbarLayoutInformation {
9473 /// The bounds of the editor area (excluding the content offset).
9474 editor_bounds: Bounds<Pixels>,
9475 /// The available range to scroll within the document.
9476 scroll_range: Size<Pixels>,
9477 /// The space available for one glyph in the editor.
9478 glyph_grid_cell: Size<Pixels>,
9479}
9480
9481impl ScrollbarLayoutInformation {
9482 pub fn new(
9483 editor_bounds: Bounds<Pixels>,
9484 glyph_grid_cell: Size<Pixels>,
9485 document_size: Size<Pixels>,
9486 longest_line_blame_width: Pixels,
9487 settings: &EditorSettings,
9488 ) -> Self {
9489 let vertical_overscroll = match settings.scroll_beyond_last_line {
9490 ScrollBeyondLastLine::OnePage => editor_bounds.size.height,
9491 ScrollBeyondLastLine::Off => glyph_grid_cell.height,
9492 ScrollBeyondLastLine::VerticalScrollMargin => {
9493 (1.0 + settings.vertical_scroll_margin) * glyph_grid_cell.height
9494 }
9495 };
9496
9497 let overscroll = size(longest_line_blame_width, vertical_overscroll);
9498
9499 ScrollbarLayoutInformation {
9500 editor_bounds,
9501 scroll_range: document_size + overscroll,
9502 glyph_grid_cell,
9503 }
9504 }
9505}
9506
9507impl IntoElement for EditorElement {
9508 type Element = Self;
9509
9510 fn into_element(self) -> Self::Element {
9511 self
9512 }
9513}
9514
9515pub struct EditorLayout {
9516 position_map: Rc<PositionMap>,
9517 hitbox: Hitbox,
9518 gutter_hitbox: Hitbox,
9519 content_origin: gpui::Point<Pixels>,
9520 scrollbars_layout: Option<EditorScrollbars>,
9521 minimap: Option<MinimapLayout>,
9522 mode: EditorMode,
9523 wrap_guides: SmallVec<[(Pixels, bool); 2]>,
9524 indent_guides: Option<Vec<IndentGuideLayout>>,
9525 visible_display_row_range: Range<DisplayRow>,
9526 active_rows: BTreeMap<DisplayRow, LineHighlightSpec>,
9527 highlighted_rows: BTreeMap<DisplayRow, LineHighlight>,
9528 line_elements: SmallVec<[AnyElement; 1]>,
9529 line_numbers: Arc<HashMap<MultiBufferRow, LineNumberLayout>>,
9530 display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
9531 blamed_display_rows: Option<Vec<AnyElement>>,
9532 inline_diagnostics: HashMap<DisplayRow, AnyElement>,
9533 inline_blame_layout: Option<InlineBlameLayout>,
9534 inline_code_actions: Option<AnyElement>,
9535 blocks: Vec<BlockLayout>,
9536 highlighted_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9537 highlighted_gutter_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9538 redacted_ranges: Vec<Range<DisplayPoint>>,
9539 cursors: Vec<(DisplayPoint, Hsla)>,
9540 visible_cursors: Vec<CursorLayout>,
9541 selections: Vec<(PlayerColor, Vec<SelectionLayout>)>,
9542 test_indicators: Vec<AnyElement>,
9543 breakpoints: Vec<AnyElement>,
9544 crease_toggles: Vec<Option<AnyElement>>,
9545 expand_toggles: Vec<Option<(AnyElement, gpui::Point<Pixels>)>>,
9546 diff_hunk_controls: Vec<AnyElement>,
9547 crease_trailers: Vec<Option<CreaseTrailerLayout>>,
9548 edit_prediction_popover: Option<AnyElement>,
9549 mouse_context_menu: Option<AnyElement>,
9550 tab_invisible: ShapedLine,
9551 space_invisible: ShapedLine,
9552 sticky_buffer_header: Option<AnyElement>,
9553 document_colors: Option<(DocumentColorsRenderMode, Vec<(Range<DisplayPoint>, Hsla)>)>,
9554}
9555
9556impl EditorLayout {
9557 fn line_end_overshoot(&self) -> Pixels {
9558 0.15 * self.position_map.line_height
9559 }
9560}
9561
9562struct LineNumberLayout {
9563 shaped_line: ShapedLine,
9564 hitbox: Option<Hitbox>,
9565}
9566
9567struct ColoredRange<T> {
9568 start: T,
9569 end: T,
9570 color: Hsla,
9571}
9572
9573impl Along for ScrollbarAxes {
9574 type Unit = bool;
9575
9576 fn along(&self, axis: ScrollbarAxis) -> Self::Unit {
9577 match axis {
9578 ScrollbarAxis::Horizontal => self.horizontal,
9579 ScrollbarAxis::Vertical => self.vertical,
9580 }
9581 }
9582
9583 fn apply_along(&self, axis: ScrollbarAxis, f: impl FnOnce(Self::Unit) -> Self::Unit) -> Self {
9584 match axis {
9585 ScrollbarAxis::Horizontal => ScrollbarAxes {
9586 horizontal: f(self.horizontal),
9587 vertical: self.vertical,
9588 },
9589 ScrollbarAxis::Vertical => ScrollbarAxes {
9590 horizontal: self.horizontal,
9591 vertical: f(self.vertical),
9592 },
9593 }
9594 }
9595}
9596
9597#[derive(Clone)]
9598struct EditorScrollbars {
9599 pub vertical: Option<ScrollbarLayout>,
9600 pub horizontal: Option<ScrollbarLayout>,
9601 pub visible: bool,
9602}
9603
9604impl EditorScrollbars {
9605 pub fn from_scrollbar_axes(
9606 show_scrollbar: ScrollbarAxes,
9607 layout_information: &ScrollbarLayoutInformation,
9608 content_offset: gpui::Point<Pixels>,
9609 scroll_position: gpui::Point<f32>,
9610 scrollbar_width: Pixels,
9611 right_margin: Pixels,
9612 editor_width: Pixels,
9613 show_scrollbars: bool,
9614 scrollbar_state: Option<&ActiveScrollbarState>,
9615 window: &mut Window,
9616 ) -> Self {
9617 let ScrollbarLayoutInformation {
9618 editor_bounds,
9619 scroll_range,
9620 glyph_grid_cell,
9621 } = layout_information;
9622
9623 let viewport_size = size(editor_width, editor_bounds.size.height);
9624
9625 let scrollbar_bounds_for = |axis: ScrollbarAxis| match axis {
9626 ScrollbarAxis::Horizontal => Bounds::from_corner_and_size(
9627 Corner::BottomLeft,
9628 editor_bounds.bottom_left(),
9629 size(
9630 // The horizontal viewport size differs from the space available for the
9631 // horizontal scrollbar, so we have to manually stich it together here.
9632 editor_bounds.size.width - right_margin,
9633 scrollbar_width,
9634 ),
9635 ),
9636 ScrollbarAxis::Vertical => Bounds::from_corner_and_size(
9637 Corner::TopRight,
9638 editor_bounds.top_right(),
9639 size(scrollbar_width, viewport_size.height),
9640 ),
9641 };
9642
9643 let mut create_scrollbar_layout = |axis| {
9644 let viewport_size = viewport_size.along(axis);
9645 let scroll_range = scroll_range.along(axis);
9646
9647 // We always want a vertical scrollbar track for scrollbar diagnostic visibility.
9648 (show_scrollbar.along(axis)
9649 && (axis == ScrollbarAxis::Vertical || scroll_range > viewport_size))
9650 .then(|| {
9651 ScrollbarLayout::new(
9652 window.insert_hitbox(scrollbar_bounds_for(axis), HitboxBehavior::Normal),
9653 viewport_size,
9654 scroll_range,
9655 glyph_grid_cell.along(axis),
9656 content_offset.along(axis),
9657 scroll_position.along(axis),
9658 show_scrollbars,
9659 axis,
9660 )
9661 .with_thumb_state(
9662 scrollbar_state.and_then(|state| state.thumb_state_for_axis(axis)),
9663 )
9664 })
9665 };
9666
9667 Self {
9668 vertical: create_scrollbar_layout(ScrollbarAxis::Vertical),
9669 horizontal: create_scrollbar_layout(ScrollbarAxis::Horizontal),
9670 visible: show_scrollbars,
9671 }
9672 }
9673
9674 pub fn iter_scrollbars(&self) -> impl Iterator<Item = (&ScrollbarLayout, ScrollbarAxis)> + '_ {
9675 [
9676 (&self.vertical, ScrollbarAxis::Vertical),
9677 (&self.horizontal, ScrollbarAxis::Horizontal),
9678 ]
9679 .into_iter()
9680 .filter_map(|(scrollbar, axis)| scrollbar.as_ref().map(|s| (s, axis)))
9681 }
9682
9683 /// Returns the currently hovered scrollbar axis, if any.
9684 pub fn get_hovered_axis(&self, window: &Window) -> Option<(&ScrollbarLayout, ScrollbarAxis)> {
9685 self.iter_scrollbars()
9686 .find(|s| s.0.hitbox.is_hovered(window))
9687 }
9688}
9689
9690#[derive(Clone)]
9691struct ScrollbarLayout {
9692 hitbox: Hitbox,
9693 visible_range: Range<f32>,
9694 text_unit_size: Pixels,
9695 thumb_bounds: Option<Bounds<Pixels>>,
9696 thumb_state: ScrollbarThumbState,
9697}
9698
9699impl ScrollbarLayout {
9700 const BORDER_WIDTH: Pixels = px(1.0);
9701 const LINE_MARKER_HEIGHT: Pixels = px(2.0);
9702 const MIN_MARKER_HEIGHT: Pixels = px(5.0);
9703 const MIN_THUMB_SIZE: Pixels = px(25.0);
9704
9705 fn new(
9706 scrollbar_track_hitbox: Hitbox,
9707 viewport_size: Pixels,
9708 scroll_range: Pixels,
9709 glyph_space: Pixels,
9710 content_offset: Pixels,
9711 scroll_position: f32,
9712 show_thumb: bool,
9713 axis: ScrollbarAxis,
9714 ) -> Self {
9715 let track_bounds = scrollbar_track_hitbox.bounds;
9716 // The length of the track available to the scrollbar thumb. We deliberately
9717 // exclude the content size here so that the thumb aligns with the content.
9718 let track_length = track_bounds.size.along(axis) - content_offset;
9719
9720 Self::new_with_hitbox_and_track_length(
9721 scrollbar_track_hitbox,
9722 track_length,
9723 viewport_size,
9724 scroll_range,
9725 glyph_space,
9726 content_offset,
9727 scroll_position,
9728 show_thumb,
9729 axis,
9730 )
9731 }
9732
9733 fn for_minimap(
9734 minimap_track_hitbox: Hitbox,
9735 visible_lines: f32,
9736 total_editor_lines: f32,
9737 minimap_line_height: Pixels,
9738 scroll_position: f32,
9739 minimap_scroll_top: f32,
9740 show_thumb: bool,
9741 ) -> Self {
9742 // The scrollbar thumb size is calculated as
9743 // (visible_content/total_content) Γ scrollbar_track_length.
9744 //
9745 // For the minimap's thumb layout, we leverage this by setting the
9746 // scrollbar track length to the entire document size (using minimap line
9747 // height). This creates a thumb that exactly represents the editor
9748 // viewport scaled to minimap proportions.
9749 //
9750 // We adjust the thumb position relative to `minimap_scroll_top` to
9751 // accommodate for the deliberately oversized track.
9752 //
9753 // This approach ensures that the minimap thumb accurately reflects the
9754 // editor's current scroll position whilst nicely synchronizing the minimap
9755 // thumb and scrollbar thumb.
9756 let scroll_range = total_editor_lines * minimap_line_height;
9757 let viewport_size = visible_lines * minimap_line_height;
9758
9759 let track_top_offset = -minimap_scroll_top * minimap_line_height;
9760
9761 Self::new_with_hitbox_and_track_length(
9762 minimap_track_hitbox,
9763 scroll_range,
9764 viewport_size,
9765 scroll_range,
9766 minimap_line_height,
9767 track_top_offset,
9768 scroll_position,
9769 show_thumb,
9770 ScrollbarAxis::Vertical,
9771 )
9772 }
9773
9774 fn new_with_hitbox_and_track_length(
9775 scrollbar_track_hitbox: Hitbox,
9776 track_length: Pixels,
9777 viewport_size: Pixels,
9778 scroll_range: Pixels,
9779 glyph_space: Pixels,
9780 content_offset: Pixels,
9781 scroll_position: f32,
9782 show_thumb: bool,
9783 axis: ScrollbarAxis,
9784 ) -> Self {
9785 let text_units_per_page = viewport_size / glyph_space;
9786 let visible_range = scroll_position..scroll_position + text_units_per_page;
9787 let total_text_units = scroll_range / glyph_space;
9788
9789 let thumb_percentage = text_units_per_page / total_text_units;
9790 let thumb_size = (track_length * thumb_percentage)
9791 .max(ScrollbarLayout::MIN_THUMB_SIZE)
9792 .min(track_length);
9793
9794 let text_unit_divisor = (total_text_units - text_units_per_page).max(0.);
9795
9796 let content_larger_than_viewport = text_unit_divisor > 0.;
9797
9798 let text_unit_size = if content_larger_than_viewport {
9799 (track_length - thumb_size) / text_unit_divisor
9800 } else {
9801 glyph_space
9802 };
9803
9804 let thumb_bounds = (show_thumb && content_larger_than_viewport).then(|| {
9805 Self::thumb_bounds(
9806 &scrollbar_track_hitbox,
9807 content_offset,
9808 visible_range.start,
9809 text_unit_size,
9810 thumb_size,
9811 axis,
9812 )
9813 });
9814
9815 ScrollbarLayout {
9816 hitbox: scrollbar_track_hitbox,
9817 visible_range,
9818 text_unit_size,
9819 thumb_bounds,
9820 thumb_state: Default::default(),
9821 }
9822 }
9823
9824 fn with_thumb_state(self, thumb_state: Option<ScrollbarThumbState>) -> Self {
9825 if let Some(thumb_state) = thumb_state {
9826 Self {
9827 thumb_state,
9828 ..self
9829 }
9830 } else {
9831 self
9832 }
9833 }
9834
9835 fn thumb_bounds(
9836 scrollbar_track: &Hitbox,
9837 content_offset: Pixels,
9838 visible_range_start: f32,
9839 text_unit_size: Pixels,
9840 thumb_size: Pixels,
9841 axis: ScrollbarAxis,
9842 ) -> Bounds<Pixels> {
9843 let thumb_origin = scrollbar_track.origin.apply_along(axis, |origin| {
9844 origin + content_offset + visible_range_start * text_unit_size
9845 });
9846 Bounds::new(
9847 thumb_origin,
9848 scrollbar_track.size.apply_along(axis, |_| thumb_size),
9849 )
9850 }
9851
9852 fn thumb_hovered(&self, position: &gpui::Point<Pixels>) -> bool {
9853 self.thumb_bounds
9854 .is_some_and(|bounds| bounds.contains(position))
9855 }
9856
9857 fn marker_quads_for_ranges(
9858 &self,
9859 row_ranges: impl IntoIterator<Item = ColoredRange<DisplayRow>>,
9860 column: Option<usize>,
9861 ) -> Vec<PaintQuad> {
9862 struct MinMax {
9863 min: Pixels,
9864 max: Pixels,
9865 }
9866 let (x_range, height_limit) = if let Some(column) = column {
9867 let column_width = px(((self.hitbox.size.width - Self::BORDER_WIDTH).0 / 3.0).floor());
9868 let start = Self::BORDER_WIDTH + (column as f32 * column_width);
9869 let end = start + column_width;
9870 (
9871 Range { start, end },
9872 MinMax {
9873 min: Self::MIN_MARKER_HEIGHT,
9874 max: px(f32::MAX),
9875 },
9876 )
9877 } else {
9878 (
9879 Range {
9880 start: Self::BORDER_WIDTH,
9881 end: self.hitbox.size.width,
9882 },
9883 MinMax {
9884 min: Self::LINE_MARKER_HEIGHT,
9885 max: Self::LINE_MARKER_HEIGHT,
9886 },
9887 )
9888 };
9889
9890 let row_to_y = |row: DisplayRow| row.as_f32() * self.text_unit_size;
9891 let mut pixel_ranges = row_ranges
9892 .into_iter()
9893 .map(|range| {
9894 let start_y = row_to_y(range.start);
9895 let end_y = row_to_y(range.end)
9896 + self
9897 .text_unit_size
9898 .max(height_limit.min)
9899 .min(height_limit.max);
9900 ColoredRange {
9901 start: start_y,
9902 end: end_y,
9903 color: range.color,
9904 }
9905 })
9906 .peekable();
9907
9908 let mut quads = Vec::new();
9909 while let Some(mut pixel_range) = pixel_ranges.next() {
9910 while let Some(next_pixel_range) = pixel_ranges.peek() {
9911 if pixel_range.end >= next_pixel_range.start - px(1.0)
9912 && pixel_range.color == next_pixel_range.color
9913 {
9914 pixel_range.end = next_pixel_range.end.max(pixel_range.end);
9915 pixel_ranges.next();
9916 } else {
9917 break;
9918 }
9919 }
9920
9921 let bounds = Bounds::from_corners(
9922 point(x_range.start, pixel_range.start),
9923 point(x_range.end, pixel_range.end),
9924 );
9925 quads.push(quad(
9926 bounds,
9927 Corners::default(),
9928 pixel_range.color,
9929 Edges::default(),
9930 Hsla::transparent_black(),
9931 BorderStyle::default(),
9932 ));
9933 }
9934
9935 quads
9936 }
9937}
9938
9939struct MinimapLayout {
9940 pub minimap: AnyElement,
9941 pub thumb_layout: ScrollbarLayout,
9942 pub minimap_scroll_top: f32,
9943 pub minimap_line_height: Pixels,
9944 pub thumb_border_style: MinimapThumbBorder,
9945 pub max_scroll_top: f32,
9946}
9947
9948impl MinimapLayout {
9949 /// The minimum width of the minimap in columns. If the minimap is smaller than this, it will be hidden.
9950 const MINIMAP_MIN_WIDTH_COLUMNS: f32 = 20.;
9951 /// The minimap width as a percentage of the editor width.
9952 const MINIMAP_WIDTH_PCT: f32 = 0.15;
9953 /// Calculates the scroll top offset the minimap editor has to have based on the
9954 /// current scroll progress.
9955 fn calculate_minimap_top_offset(
9956 document_lines: f32,
9957 visible_editor_lines: f32,
9958 visible_minimap_lines: f32,
9959 scroll_position: f32,
9960 ) -> f32 {
9961 let non_visible_document_lines = (document_lines - visible_editor_lines).max(0.);
9962 if non_visible_document_lines == 0. {
9963 0.
9964 } else {
9965 let scroll_percentage = (scroll_position / non_visible_document_lines).clamp(0., 1.);
9966 scroll_percentage * (document_lines - visible_minimap_lines).max(0.)
9967 }
9968 }
9969}
9970
9971struct CreaseTrailerLayout {
9972 element: AnyElement,
9973 bounds: Bounds<Pixels>,
9974}
9975
9976pub(crate) struct PositionMap {
9977 pub size: Size<Pixels>,
9978 pub line_height: Pixels,
9979 pub scroll_pixel_position: gpui::Point<Pixels>,
9980 pub scroll_max: gpui::Point<f32>,
9981 pub em_width: Pixels,
9982 pub em_advance: Pixels,
9983 pub visible_row_range: Range<DisplayRow>,
9984 pub line_layouts: Vec<LineWithInvisibles>,
9985 pub snapshot: EditorSnapshot,
9986 pub text_hitbox: Hitbox,
9987 pub gutter_hitbox: Hitbox,
9988 pub inline_blame_bounds: Option<(Bounds<Pixels>, BufferId, BlameEntry)>,
9989 pub display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
9990 pub diff_hunk_control_bounds: Vec<(DisplayRow, Bounds<Pixels>)>,
9991}
9992
9993#[derive(Debug, Copy, Clone)]
9994pub struct PointForPosition {
9995 pub previous_valid: DisplayPoint,
9996 pub next_valid: DisplayPoint,
9997 pub exact_unclipped: DisplayPoint,
9998 pub column_overshoot_after_line_end: u32,
9999}
10000
10001impl PointForPosition {
10002 pub fn as_valid(&self) -> Option<DisplayPoint> {
10003 if self.previous_valid == self.exact_unclipped && self.next_valid == self.exact_unclipped {
10004 Some(self.previous_valid)
10005 } else {
10006 None
10007 }
10008 }
10009
10010 pub fn intersects_selection(&self, selection: &Selection<DisplayPoint>) -> bool {
10011 let Some(valid_point) = self.as_valid() else {
10012 return false;
10013 };
10014 let range = selection.range();
10015
10016 let candidate_row = valid_point.row();
10017 let candidate_col = valid_point.column();
10018
10019 let start_row = range.start.row();
10020 let start_col = range.start.column();
10021 let end_row = range.end.row();
10022 let end_col = range.end.column();
10023
10024 if candidate_row < start_row || candidate_row > end_row {
10025 false
10026 } else if start_row == end_row {
10027 candidate_col >= start_col && candidate_col < end_col
10028 } else if candidate_row == start_row {
10029 candidate_col >= start_col
10030 } else if candidate_row == end_row {
10031 candidate_col < end_col
10032 } else {
10033 true
10034 }
10035 }
10036}
10037
10038impl PositionMap {
10039 pub(crate) fn point_for_position(&self, position: gpui::Point<Pixels>) -> PointForPosition {
10040 let text_bounds = self.text_hitbox.bounds;
10041 let scroll_position = self.snapshot.scroll_position();
10042 let position = position - text_bounds.origin;
10043 let y = position.y.max(px(0.)).min(self.size.height);
10044 let x = position.x + (scroll_position.x * self.em_advance);
10045 let row = ((y / self.line_height) + scroll_position.y) as u32;
10046
10047 let (column, x_overshoot_after_line_end) = if let Some(line) = self
10048 .line_layouts
10049 .get(row as usize - scroll_position.y as usize)
10050 {
10051 if let Some(ix) = line.index_for_x(x) {
10052 (ix as u32, px(0.))
10053 } else {
10054 (line.len as u32, px(0.).max(x - line.width))
10055 }
10056 } else {
10057 (0, x)
10058 };
10059
10060 let mut exact_unclipped = DisplayPoint::new(DisplayRow(row), column);
10061 let previous_valid = self.snapshot.clip_point(exact_unclipped, Bias::Left);
10062 let next_valid = self.snapshot.clip_point(exact_unclipped, Bias::Right);
10063
10064 let column_overshoot_after_line_end = (x_overshoot_after_line_end / self.em_advance) as u32;
10065 *exact_unclipped.column_mut() += column_overshoot_after_line_end;
10066 PointForPosition {
10067 previous_valid,
10068 next_valid,
10069 exact_unclipped,
10070 column_overshoot_after_line_end,
10071 }
10072 }
10073}
10074
10075struct BlockLayout {
10076 id: BlockId,
10077 x_offset: Pixels,
10078 row: Option<DisplayRow>,
10079 element: AnyElement,
10080 available_space: Size<AvailableSpace>,
10081 style: BlockStyle,
10082 overlaps_gutter: bool,
10083 is_buffer_header: bool,
10084}
10085
10086pub fn layout_line(
10087 row: DisplayRow,
10088 snapshot: &EditorSnapshot,
10089 style: &EditorStyle,
10090 text_width: Pixels,
10091 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
10092 window: &mut Window,
10093 cx: &mut App,
10094) -> LineWithInvisibles {
10095 let chunks = snapshot.highlighted_chunks(row..row + DisplayRow(1), true, style);
10096 LineWithInvisibles::from_chunks(
10097 chunks,
10098 style,
10099 MAX_LINE_LEN,
10100 1,
10101 &snapshot.mode,
10102 text_width,
10103 is_row_soft_wrapped,
10104 &[],
10105 window,
10106 cx,
10107 )
10108 .pop()
10109 .unwrap()
10110}
10111
10112#[derive(Debug)]
10113pub struct IndentGuideLayout {
10114 origin: gpui::Point<Pixels>,
10115 length: Pixels,
10116 single_indent_width: Pixels,
10117 depth: u32,
10118 active: bool,
10119 settings: IndentGuideSettings,
10120}
10121
10122pub struct CursorLayout {
10123 origin: gpui::Point<Pixels>,
10124 block_width: Pixels,
10125 line_height: Pixels,
10126 color: Hsla,
10127 shape: CursorShape,
10128 block_text: Option<ShapedLine>,
10129 cursor_name: Option<AnyElement>,
10130}
10131
10132#[derive(Debug)]
10133pub struct CursorName {
10134 string: SharedString,
10135 color: Hsla,
10136 is_top_row: bool,
10137}
10138
10139impl CursorLayout {
10140 pub fn new(
10141 origin: gpui::Point<Pixels>,
10142 block_width: Pixels,
10143 line_height: Pixels,
10144 color: Hsla,
10145 shape: CursorShape,
10146 block_text: Option<ShapedLine>,
10147 ) -> CursorLayout {
10148 CursorLayout {
10149 origin,
10150 block_width,
10151 line_height,
10152 color,
10153 shape,
10154 block_text,
10155 cursor_name: None,
10156 }
10157 }
10158
10159 pub fn bounding_rect(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10160 Bounds {
10161 origin: self.origin + origin,
10162 size: size(self.block_width, self.line_height),
10163 }
10164 }
10165
10166 fn bounds(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10167 match self.shape {
10168 CursorShape::Bar => Bounds {
10169 origin: self.origin + origin,
10170 size: size(px(2.0), self.line_height),
10171 },
10172 CursorShape::Block | CursorShape::Hollow => Bounds {
10173 origin: self.origin + origin,
10174 size: size(self.block_width, self.line_height),
10175 },
10176 CursorShape::Underline => Bounds {
10177 origin: self.origin
10178 + origin
10179 + gpui::Point::new(Pixels::ZERO, self.line_height - px(2.0)),
10180 size: size(self.block_width, px(2.0)),
10181 },
10182 }
10183 }
10184
10185 pub fn layout(
10186 &mut self,
10187 origin: gpui::Point<Pixels>,
10188 cursor_name: Option<CursorName>,
10189 window: &mut Window,
10190 cx: &mut App,
10191 ) {
10192 if let Some(cursor_name) = cursor_name {
10193 let bounds = self.bounds(origin);
10194 let text_size = self.line_height / 1.5;
10195
10196 let name_origin = if cursor_name.is_top_row {
10197 point(bounds.right() - px(1.), bounds.top())
10198 } else {
10199 match self.shape {
10200 CursorShape::Bar => point(
10201 bounds.right() - px(2.),
10202 bounds.top() - text_size / 2. - px(1.),
10203 ),
10204 _ => point(
10205 bounds.right() - px(1.),
10206 bounds.top() - text_size / 2. - px(1.),
10207 ),
10208 }
10209 };
10210 let mut name_element = div()
10211 .bg(self.color)
10212 .text_size(text_size)
10213 .px_0p5()
10214 .line_height(text_size + px(2.))
10215 .text_color(cursor_name.color)
10216 .child(cursor_name.string)
10217 .into_any_element();
10218
10219 name_element.prepaint_as_root(name_origin, AvailableSpace::min_size(), window, cx);
10220
10221 self.cursor_name = Some(name_element);
10222 }
10223 }
10224
10225 pub fn paint(&mut self, origin: gpui::Point<Pixels>, window: &mut Window, cx: &mut App) {
10226 let bounds = self.bounds(origin);
10227
10228 //Draw background or border quad
10229 let cursor = if matches!(self.shape, CursorShape::Hollow) {
10230 outline(bounds, self.color, BorderStyle::Solid)
10231 } else {
10232 fill(bounds, self.color)
10233 };
10234
10235 if let Some(name) = &mut self.cursor_name {
10236 name.paint(window, cx);
10237 }
10238
10239 window.paint_quad(cursor);
10240
10241 if let Some(block_text) = &self.block_text {
10242 block_text
10243 .paint(self.origin + origin, self.line_height, window, cx)
10244 .log_err();
10245 }
10246 }
10247
10248 pub fn shape(&self) -> CursorShape {
10249 self.shape
10250 }
10251}
10252
10253#[derive(Debug)]
10254pub struct HighlightedRange {
10255 pub start_y: Pixels,
10256 pub line_height: Pixels,
10257 pub lines: Vec<HighlightedRangeLine>,
10258 pub color: Hsla,
10259 pub corner_radius: Pixels,
10260}
10261
10262#[derive(Debug)]
10263pub struct HighlightedRangeLine {
10264 pub start_x: Pixels,
10265 pub end_x: Pixels,
10266}
10267
10268impl HighlightedRange {
10269 pub fn paint(&self, fill: bool, bounds: Bounds<Pixels>, window: &mut Window) {
10270 if self.lines.len() >= 2 && self.lines[0].start_x > self.lines[1].end_x {
10271 self.paint_lines(self.start_y, &self.lines[0..1], fill, bounds, window);
10272 self.paint_lines(
10273 self.start_y + self.line_height,
10274 &self.lines[1..],
10275 fill,
10276 bounds,
10277 window,
10278 );
10279 } else {
10280 self.paint_lines(self.start_y, &self.lines, fill, bounds, window);
10281 }
10282 }
10283
10284 fn paint_lines(
10285 &self,
10286 start_y: Pixels,
10287 lines: &[HighlightedRangeLine],
10288 fill: bool,
10289 _bounds: Bounds<Pixels>,
10290 window: &mut Window,
10291 ) {
10292 if lines.is_empty() {
10293 return;
10294 }
10295
10296 let first_line = lines.first().unwrap();
10297 let last_line = lines.last().unwrap();
10298
10299 let first_top_left = point(first_line.start_x, start_y);
10300 let first_top_right = point(first_line.end_x, start_y);
10301
10302 let curve_height = point(Pixels::ZERO, self.corner_radius);
10303 let curve_width = |start_x: Pixels, end_x: Pixels| {
10304 let max = (end_x - start_x) / 2.;
10305 let width = if max < self.corner_radius {
10306 max
10307 } else {
10308 self.corner_radius
10309 };
10310
10311 point(width, Pixels::ZERO)
10312 };
10313
10314 let top_curve_width = curve_width(first_line.start_x, first_line.end_x);
10315 let mut builder = if fill {
10316 gpui::PathBuilder::fill()
10317 } else {
10318 gpui::PathBuilder::stroke(px(1.))
10319 };
10320 builder.move_to(first_top_right - top_curve_width);
10321 builder.curve_to(first_top_right + curve_height, first_top_right);
10322
10323 let mut iter = lines.iter().enumerate().peekable();
10324 while let Some((ix, line)) = iter.next() {
10325 let bottom_right = point(line.end_x, start_y + (ix + 1) as f32 * self.line_height);
10326
10327 if let Some((_, next_line)) = iter.peek() {
10328 let next_top_right = point(next_line.end_x, bottom_right.y);
10329
10330 match next_top_right.x.partial_cmp(&bottom_right.x).unwrap() {
10331 Ordering::Equal => {
10332 builder.line_to(bottom_right);
10333 }
10334 Ordering::Less => {
10335 let curve_width = curve_width(next_top_right.x, bottom_right.x);
10336 builder.line_to(bottom_right - curve_height);
10337 if self.corner_radius > Pixels::ZERO {
10338 builder.curve_to(bottom_right - curve_width, bottom_right);
10339 }
10340 builder.line_to(next_top_right + curve_width);
10341 if self.corner_radius > Pixels::ZERO {
10342 builder.curve_to(next_top_right + curve_height, next_top_right);
10343 }
10344 }
10345 Ordering::Greater => {
10346 let curve_width = curve_width(bottom_right.x, next_top_right.x);
10347 builder.line_to(bottom_right - curve_height);
10348 if self.corner_radius > Pixels::ZERO {
10349 builder.curve_to(bottom_right + curve_width, bottom_right);
10350 }
10351 builder.line_to(next_top_right - curve_width);
10352 if self.corner_radius > Pixels::ZERO {
10353 builder.curve_to(next_top_right + curve_height, next_top_right);
10354 }
10355 }
10356 }
10357 } else {
10358 let curve_width = curve_width(line.start_x, line.end_x);
10359 builder.line_to(bottom_right - curve_height);
10360 if self.corner_radius > Pixels::ZERO {
10361 builder.curve_to(bottom_right - curve_width, bottom_right);
10362 }
10363
10364 let bottom_left = point(line.start_x, bottom_right.y);
10365 builder.line_to(bottom_left + curve_width);
10366 if self.corner_radius > Pixels::ZERO {
10367 builder.curve_to(bottom_left - curve_height, bottom_left);
10368 }
10369 }
10370 }
10371
10372 if first_line.start_x > last_line.start_x {
10373 let curve_width = curve_width(last_line.start_x, first_line.start_x);
10374 let second_top_left = point(last_line.start_x, start_y + self.line_height);
10375 builder.line_to(second_top_left + curve_height);
10376 if self.corner_radius > Pixels::ZERO {
10377 builder.curve_to(second_top_left + curve_width, second_top_left);
10378 }
10379 let first_bottom_left = point(first_line.start_x, second_top_left.y);
10380 builder.line_to(first_bottom_left - curve_width);
10381 if self.corner_radius > Pixels::ZERO {
10382 builder.curve_to(first_bottom_left - curve_height, first_bottom_left);
10383 }
10384 }
10385
10386 builder.line_to(first_top_left + curve_height);
10387 if self.corner_radius > Pixels::ZERO {
10388 builder.curve_to(first_top_left + top_curve_width, first_top_left);
10389 }
10390 builder.line_to(first_top_right - top_curve_width);
10391
10392 if let Ok(path) = builder.build() {
10393 window.paint_path(path, self.color);
10394 }
10395 }
10396}
10397
10398enum CursorPopoverType {
10399 CodeContextMenu,
10400 EditPrediction,
10401}
10402
10403pub fn scale_vertical_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10404 (delta.pow(1.2) / 100.0).min(px(3.0)).into()
10405}
10406
10407fn scale_horizontal_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10408 (delta.pow(1.2) / 300.0).into()
10409}
10410
10411pub fn register_action<T: Action>(
10412 editor: &Entity<Editor>,
10413 window: &mut Window,
10414 listener: impl Fn(&mut Editor, &T, &mut Window, &mut Context<Editor>) + 'static,
10415) {
10416 let editor = editor.clone();
10417 window.on_action(TypeId::of::<T>(), move |action, phase, window, cx| {
10418 let action = action.downcast_ref().unwrap();
10419 if phase == DispatchPhase::Bubble {
10420 editor.update(cx, |editor, cx| {
10421 listener(editor, action, window, cx);
10422 })
10423 }
10424 })
10425}
10426
10427fn compute_auto_height_layout(
10428 editor: &mut Editor,
10429 min_lines: usize,
10430 max_lines: Option<usize>,
10431 max_line_number_width: Pixels,
10432 known_dimensions: Size<Option<Pixels>>,
10433 available_width: AvailableSpace,
10434 window: &mut Window,
10435 cx: &mut Context<Editor>,
10436) -> Option<Size<Pixels>> {
10437 let width = known_dimensions.width.or({
10438 if let AvailableSpace::Definite(available_width) = available_width {
10439 Some(available_width)
10440 } else {
10441 None
10442 }
10443 })?;
10444 if let Some(height) = known_dimensions.height {
10445 return Some(size(width, height));
10446 }
10447
10448 let style = editor.style.as_ref().unwrap();
10449 let font_id = window.text_system().resolve_font(&style.text.font());
10450 let font_size = style.text.font_size.to_pixels(window.rem_size());
10451 let line_height = style.text.line_height_in_pixels(window.rem_size());
10452 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
10453
10454 let mut snapshot = editor.snapshot(window, cx);
10455 let gutter_dimensions = snapshot
10456 .gutter_dimensions(font_id, font_size, max_line_number_width, cx)
10457 .or_else(|| {
10458 editor
10459 .offset_content
10460 .then(|| GutterDimensions::default_with_margin(font_id, font_size, cx))
10461 })
10462 .unwrap_or_default();
10463
10464 editor.gutter_dimensions = gutter_dimensions;
10465 let text_width = width - gutter_dimensions.width;
10466 let overscroll = size(em_width, px(0.));
10467
10468 let editor_width = text_width - gutter_dimensions.margin - overscroll.width - em_width;
10469 if !matches!(editor.soft_wrap_mode(cx), SoftWrap::None)
10470 && editor.set_wrap_width(Some(editor_width), cx)
10471 {
10472 snapshot = editor.snapshot(window, cx);
10473 }
10474
10475 let scroll_height = (snapshot.max_point().row().next_row().0 as f32) * line_height;
10476
10477 let min_height = line_height * min_lines as f32;
10478 let content_height = scroll_height.max(min_height);
10479
10480 let final_height = if let Some(max_lines) = max_lines {
10481 let max_height = line_height * max_lines as f32;
10482 content_height.min(max_height)
10483 } else {
10484 content_height
10485 };
10486
10487 Some(size(width, final_height))
10488}
10489
10490#[cfg(test)]
10491mod tests {
10492 use super::*;
10493 use crate::{
10494 Editor, MultiBuffer, SelectionEffects,
10495 display_map::{BlockPlacement, BlockProperties},
10496 editor_tests::{init_test, update_test_language_settings},
10497 };
10498 use gpui::{TestAppContext, VisualTestContext};
10499 use language::language_settings;
10500 use log::info;
10501 use std::num::NonZeroU32;
10502 use util::test::sample_text;
10503
10504 #[gpui::test]
10505 async fn test_soft_wrap_editor_width_auto_height_editor(cx: &mut TestAppContext) {
10506 init_test(cx, |_| {});
10507
10508 let window = cx.add_window(|window, cx| {
10509 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10510 let mut editor = Editor::new(
10511 EditorMode::AutoHeight {
10512 min_lines: 1,
10513 max_lines: None,
10514 },
10515 buffer,
10516 None,
10517 window,
10518 cx,
10519 );
10520 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10521 editor
10522 });
10523 let cx = &mut VisualTestContext::from_window(*window, cx);
10524 let editor = window.root(cx).unwrap();
10525 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10526
10527 for x in 1..=100 {
10528 let (_, state) = cx.draw(
10529 Default::default(),
10530 size(px(200. + 0.13 * x as f32), px(500.)),
10531 |_, _| EditorElement::new(&editor, style.clone()),
10532 );
10533
10534 assert!(
10535 state.position_map.scroll_max.x == 0.,
10536 "Soft wrapped editor should have no horizontal scrolling!"
10537 );
10538 }
10539 }
10540
10541 #[gpui::test]
10542 async fn test_soft_wrap_editor_width_full_editor(cx: &mut TestAppContext) {
10543 init_test(cx, |_| {});
10544
10545 let window = cx.add_window(|window, cx| {
10546 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10547 let mut editor = Editor::new(EditorMode::full(), buffer, None, window, cx);
10548 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10549 editor
10550 });
10551 let cx = &mut VisualTestContext::from_window(*window, cx);
10552 let editor = window.root(cx).unwrap();
10553 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10554
10555 for x in 1..=100 {
10556 let (_, state) = cx.draw(
10557 Default::default(),
10558 size(px(200. + 0.13 * x as f32), px(500.)),
10559 |_, _| EditorElement::new(&editor, style.clone()),
10560 );
10561
10562 assert!(
10563 state.position_map.scroll_max.x == 0.,
10564 "Soft wrapped editor should have no horizontal scrolling!"
10565 );
10566 }
10567 }
10568
10569 #[gpui::test]
10570 fn test_shape_line_numbers(cx: &mut TestAppContext) {
10571 init_test(cx, |_| {});
10572 let window = cx.add_window(|window, cx| {
10573 let buffer = MultiBuffer::build_simple(&sample_text(6, 6, 'a'), cx);
10574 Editor::new(EditorMode::full(), buffer, None, window, cx)
10575 });
10576
10577 let editor = window.root(cx).unwrap();
10578 let style = cx.update(|cx| editor.read(cx).style().unwrap().clone());
10579 let line_height = window
10580 .update(cx, |_, window, _| {
10581 style.text.line_height_in_pixels(window.rem_size())
10582 })
10583 .unwrap();
10584 let element = EditorElement::new(&editor, style);
10585 let snapshot = window
10586 .update(cx, |editor, window, cx| editor.snapshot(window, cx))
10587 .unwrap();
10588
10589 let layouts = cx
10590 .update_window(*window, |_, window, cx| {
10591 element.layout_line_numbers(
10592 None,
10593 GutterDimensions {
10594 left_padding: Pixels::ZERO,
10595 right_padding: Pixels::ZERO,
10596 width: px(30.0),
10597 margin: Pixels::ZERO,
10598 git_blame_entries_width: None,
10599 },
10600 line_height,
10601 gpui::Point::default(),
10602 DisplayRow(0)..DisplayRow(6),
10603 &(0..6)
10604 .map(|row| RowInfo {
10605 buffer_row: Some(row),
10606 ..Default::default()
10607 })
10608 .collect::<Vec<_>>(),
10609 &BTreeMap::default(),
10610 Some(DisplayPoint::new(DisplayRow(0), 0)),
10611 &snapshot,
10612 window,
10613 cx,
10614 )
10615 })
10616 .unwrap();
10617 assert_eq!(layouts.len(), 6);
10618
10619 let relative_rows = window
10620 .update(cx, |editor, window, cx| {
10621 let snapshot = editor.snapshot(window, cx);
10622 element.calculate_relative_line_numbers(
10623 &snapshot,
10624 &(DisplayRow(0)..DisplayRow(6)),
10625 Some(DisplayRow(3)),
10626 )
10627 })
10628 .unwrap();
10629 assert_eq!(relative_rows[&DisplayRow(0)], 3);
10630 assert_eq!(relative_rows[&DisplayRow(1)], 2);
10631 assert_eq!(relative_rows[&DisplayRow(2)], 1);
10632 // current line has no relative number
10633 assert_eq!(relative_rows[&DisplayRow(4)], 1);
10634 assert_eq!(relative_rows[&DisplayRow(5)], 2);
10635
10636 // works if cursor is before screen
10637 let relative_rows = window
10638 .update(cx, |editor, window, cx| {
10639 let snapshot = editor.snapshot(window, cx);
10640 element.calculate_relative_line_numbers(
10641 &snapshot,
10642 &(DisplayRow(3)..DisplayRow(6)),
10643 Some(DisplayRow(1)),
10644 )
10645 })
10646 .unwrap();
10647 assert_eq!(relative_rows.len(), 3);
10648 assert_eq!(relative_rows[&DisplayRow(3)], 2);
10649 assert_eq!(relative_rows[&DisplayRow(4)], 3);
10650 assert_eq!(relative_rows[&DisplayRow(5)], 4);
10651
10652 // works if cursor is after screen
10653 let relative_rows = window
10654 .update(cx, |editor, window, cx| {
10655 let snapshot = editor.snapshot(window, cx);
10656 element.calculate_relative_line_numbers(
10657 &snapshot,
10658 &(DisplayRow(0)..DisplayRow(3)),
10659 Some(DisplayRow(6)),
10660 )
10661 })
10662 .unwrap();
10663 assert_eq!(relative_rows.len(), 3);
10664 assert_eq!(relative_rows[&DisplayRow(0)], 5);
10665 assert_eq!(relative_rows[&DisplayRow(1)], 4);
10666 assert_eq!(relative_rows[&DisplayRow(2)], 3);
10667 }
10668
10669 #[gpui::test]
10670 async fn test_vim_visual_selections(cx: &mut TestAppContext) {
10671 init_test(cx, |_| {});
10672
10673 let window = cx.add_window(|window, cx| {
10674 let buffer = MultiBuffer::build_simple(&(sample_text(6, 6, 'a') + "\n"), cx);
10675 Editor::new(EditorMode::full(), buffer, None, window, cx)
10676 });
10677 let cx = &mut VisualTestContext::from_window(*window, cx);
10678 let editor = window.root(cx).unwrap();
10679 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10680
10681 window
10682 .update(cx, |editor, window, cx| {
10683 editor.cursor_shape = CursorShape::Block;
10684 editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
10685 s.select_ranges([
10686 Point::new(0, 0)..Point::new(1, 0),
10687 Point::new(3, 2)..Point::new(3, 3),
10688 Point::new(5, 6)..Point::new(6, 0),
10689 ]);
10690 });
10691 })
10692 .unwrap();
10693
10694 let (_, state) = cx.draw(
10695 point(px(500.), px(500.)),
10696 size(px(500.), px(500.)),
10697 |_, _| EditorElement::new(&editor, style),
10698 );
10699
10700 assert_eq!(state.selections.len(), 1);
10701 let local_selections = &state.selections[0].1;
10702 assert_eq!(local_selections.len(), 3);
10703 // moves cursor back one line
10704 assert_eq!(
10705 local_selections[0].head,
10706 DisplayPoint::new(DisplayRow(0), 6)
10707 );
10708 assert_eq!(
10709 local_selections[0].range,
10710 DisplayPoint::new(DisplayRow(0), 0)..DisplayPoint::new(DisplayRow(1), 0)
10711 );
10712
10713 // moves cursor back one column
10714 assert_eq!(
10715 local_selections[1].range,
10716 DisplayPoint::new(DisplayRow(3), 2)..DisplayPoint::new(DisplayRow(3), 3)
10717 );
10718 assert_eq!(
10719 local_selections[1].head,
10720 DisplayPoint::new(DisplayRow(3), 2)
10721 );
10722
10723 // leaves cursor on the max point
10724 assert_eq!(
10725 local_selections[2].range,
10726 DisplayPoint::new(DisplayRow(5), 6)..DisplayPoint::new(DisplayRow(6), 0)
10727 );
10728 assert_eq!(
10729 local_selections[2].head,
10730 DisplayPoint::new(DisplayRow(6), 0)
10731 );
10732
10733 // active lines does not include 1 (even though the range of the selection does)
10734 assert_eq!(
10735 state.active_rows.keys().cloned().collect::<Vec<_>>(),
10736 vec![DisplayRow(0), DisplayRow(3), DisplayRow(5), DisplayRow(6)]
10737 );
10738 }
10739
10740 #[gpui::test]
10741 fn test_layout_with_placeholder_text_and_blocks(cx: &mut TestAppContext) {
10742 init_test(cx, |_| {});
10743
10744 let window = cx.add_window(|window, cx| {
10745 let buffer = MultiBuffer::build_simple("", cx);
10746 Editor::new(EditorMode::full(), buffer, None, window, cx)
10747 });
10748 let cx = &mut VisualTestContext::from_window(*window, cx);
10749 let editor = window.root(cx).unwrap();
10750 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10751 window
10752 .update(cx, |editor, window, cx| {
10753 editor.set_placeholder_text("hello", cx);
10754 editor.insert_blocks(
10755 [BlockProperties {
10756 style: BlockStyle::Fixed,
10757 placement: BlockPlacement::Above(Anchor::min()),
10758 height: Some(3),
10759 render: Arc::new(|cx| div().h(3. * cx.window.line_height()).into_any()),
10760 priority: 0,
10761 }],
10762 None,
10763 cx,
10764 );
10765
10766 // Blur the editor so that it displays placeholder text.
10767 window.blur();
10768 })
10769 .unwrap();
10770
10771 let (_, state) = cx.draw(
10772 point(px(500.), px(500.)),
10773 size(px(500.), px(500.)),
10774 |_, _| EditorElement::new(&editor, style),
10775 );
10776 assert_eq!(state.position_map.line_layouts.len(), 4);
10777 assert_eq!(state.line_numbers.len(), 1);
10778 assert_eq!(
10779 state
10780 .line_numbers
10781 .get(&MultiBufferRow(0))
10782 .map(|line_number| line_number.shaped_line.text.as_ref()),
10783 Some("1")
10784 );
10785 }
10786
10787 #[gpui::test]
10788 fn test_all_invisibles_drawing(cx: &mut TestAppContext) {
10789 const TAB_SIZE: u32 = 4;
10790
10791 let input_text = "\t \t|\t| a b";
10792 let expected_invisibles = vec![
10793 Invisible::Tab {
10794 line_start_offset: 0,
10795 line_end_offset: TAB_SIZE as usize,
10796 },
10797 Invisible::Whitespace {
10798 line_offset: TAB_SIZE as usize,
10799 },
10800 Invisible::Tab {
10801 line_start_offset: TAB_SIZE as usize + 1,
10802 line_end_offset: TAB_SIZE as usize * 2,
10803 },
10804 Invisible::Tab {
10805 line_start_offset: TAB_SIZE as usize * 2 + 1,
10806 line_end_offset: TAB_SIZE as usize * 3,
10807 },
10808 Invisible::Whitespace {
10809 line_offset: TAB_SIZE as usize * 3 + 1,
10810 },
10811 Invisible::Whitespace {
10812 line_offset: TAB_SIZE as usize * 3 + 3,
10813 },
10814 ];
10815 assert_eq!(
10816 expected_invisibles.len(),
10817 input_text
10818 .chars()
10819 .filter(|initial_char| initial_char.is_whitespace())
10820 .count(),
10821 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
10822 );
10823
10824 for show_line_numbers in [true, false] {
10825 init_test(cx, |s| {
10826 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
10827 s.defaults.tab_size = NonZeroU32::new(TAB_SIZE);
10828 });
10829
10830 let actual_invisibles = collect_invisibles_from_new_editor(
10831 cx,
10832 EditorMode::full(),
10833 input_text,
10834 px(500.0),
10835 show_line_numbers,
10836 );
10837
10838 assert_eq!(expected_invisibles, actual_invisibles);
10839 }
10840 }
10841
10842 #[gpui::test]
10843 fn test_invisibles_dont_appear_in_certain_editors(cx: &mut TestAppContext) {
10844 init_test(cx, |s| {
10845 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
10846 s.defaults.tab_size = NonZeroU32::new(4);
10847 });
10848
10849 for editor_mode_without_invisibles in [
10850 EditorMode::SingleLine,
10851 EditorMode::AutoHeight {
10852 min_lines: 1,
10853 max_lines: Some(100),
10854 },
10855 ] {
10856 for show_line_numbers in [true, false] {
10857 let invisibles = collect_invisibles_from_new_editor(
10858 cx,
10859 editor_mode_without_invisibles.clone(),
10860 "\t\t\t| | a b",
10861 px(500.0),
10862 show_line_numbers,
10863 );
10864 assert!(
10865 invisibles.is_empty(),
10866 "For editor mode {editor_mode_without_invisibles:?} no invisibles was expected but got {invisibles:?}"
10867 );
10868 }
10869 }
10870 }
10871
10872 #[gpui::test]
10873 fn test_wrapped_invisibles_drawing(cx: &mut TestAppContext) {
10874 let tab_size = 4;
10875 let input_text = "a\tbcd ".repeat(9);
10876 let repeated_invisibles = [
10877 Invisible::Tab {
10878 line_start_offset: 1,
10879 line_end_offset: tab_size as usize,
10880 },
10881 Invisible::Whitespace {
10882 line_offset: tab_size as usize + 3,
10883 },
10884 Invisible::Whitespace {
10885 line_offset: tab_size as usize + 4,
10886 },
10887 Invisible::Whitespace {
10888 line_offset: tab_size as usize + 5,
10889 },
10890 Invisible::Whitespace {
10891 line_offset: tab_size as usize + 6,
10892 },
10893 Invisible::Whitespace {
10894 line_offset: tab_size as usize + 7,
10895 },
10896 ];
10897 let expected_invisibles = std::iter::once(repeated_invisibles)
10898 .cycle()
10899 .take(9)
10900 .flatten()
10901 .collect::<Vec<_>>();
10902 assert_eq!(
10903 expected_invisibles.len(),
10904 input_text
10905 .chars()
10906 .filter(|initial_char| initial_char.is_whitespace())
10907 .count(),
10908 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
10909 );
10910 info!("Expected invisibles: {expected_invisibles:?}");
10911
10912 init_test(cx, |_| {});
10913
10914 // Put the same string with repeating whitespace pattern into editors of various size,
10915 // take deliberately small steps during resizing, to put all whitespace kinds near the wrap point.
10916 let resize_step = 10.0;
10917 let mut editor_width = 200.0;
10918 while editor_width <= 1000.0 {
10919 for show_line_numbers in [true, false] {
10920 update_test_language_settings(cx, |s| {
10921 s.defaults.tab_size = NonZeroU32::new(tab_size);
10922 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
10923 s.defaults.preferred_line_length = Some(editor_width as u32);
10924 s.defaults.soft_wrap = Some(language_settings::SoftWrap::PreferredLineLength);
10925 });
10926
10927 let actual_invisibles = collect_invisibles_from_new_editor(
10928 cx,
10929 EditorMode::full(),
10930 &input_text,
10931 px(editor_width),
10932 show_line_numbers,
10933 );
10934
10935 // Whatever the editor size is, ensure it has the same invisible kinds in the same order
10936 // (no good guarantees about the offsets: wrapping could trigger padding and its tests should check the offsets).
10937 let mut i = 0;
10938 for (actual_index, actual_invisible) in actual_invisibles.iter().enumerate() {
10939 i = actual_index;
10940 match expected_invisibles.get(i) {
10941 Some(expected_invisible) => match (expected_invisible, actual_invisible) {
10942 (Invisible::Whitespace { .. }, Invisible::Whitespace { .. })
10943 | (Invisible::Tab { .. }, Invisible::Tab { .. }) => {}
10944 _ => {
10945 panic!(
10946 "At index {i}, expected invisible {expected_invisible:?} does not match actual {actual_invisible:?} by kind. Actual invisibles: {actual_invisibles:?}"
10947 )
10948 }
10949 },
10950 None => {
10951 panic!("Unexpected extra invisible {actual_invisible:?} at index {i}")
10952 }
10953 }
10954 }
10955 let missing_expected_invisibles = &expected_invisibles[i + 1..];
10956 assert!(
10957 missing_expected_invisibles.is_empty(),
10958 "Missing expected invisibles after index {i}: {missing_expected_invisibles:?}"
10959 );
10960
10961 editor_width += resize_step;
10962 }
10963 }
10964 }
10965
10966 fn collect_invisibles_from_new_editor(
10967 cx: &mut TestAppContext,
10968 editor_mode: EditorMode,
10969 input_text: &str,
10970 editor_width: Pixels,
10971 show_line_numbers: bool,
10972 ) -> Vec<Invisible> {
10973 info!(
10974 "Creating editor with mode {editor_mode:?}, width {}px and text '{input_text}'",
10975 editor_width.0
10976 );
10977 let window = cx.add_window(|window, cx| {
10978 let buffer = MultiBuffer::build_simple(input_text, cx);
10979 Editor::new(editor_mode, buffer, None, window, cx)
10980 });
10981 let cx = &mut VisualTestContext::from_window(*window, cx);
10982 let editor = window.root(cx).unwrap();
10983
10984 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10985 window
10986 .update(cx, |editor, _, cx| {
10987 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10988 editor.set_wrap_width(Some(editor_width), cx);
10989 editor.set_show_line_numbers(show_line_numbers, cx);
10990 })
10991 .unwrap();
10992 let (_, state) = cx.draw(
10993 point(px(500.), px(500.)),
10994 size(px(500.), px(500.)),
10995 |_, _| EditorElement::new(&editor, style),
10996 );
10997 state
10998 .position_map
10999 .line_layouts
11000 .iter()
11001 .flat_map(|line_with_invisibles| &line_with_invisibles.invisibles)
11002 .cloned()
11003 .collect()
11004 }
11005
11006 #[gpui::test]
11007 fn test_merge_overlapping_ranges() {
11008 let base_bg = Hsla::default();
11009 let color1 = Hsla {
11010 h: 0.0,
11011 s: 0.5,
11012 l: 0.5,
11013 a: 0.5,
11014 };
11015 let color2 = Hsla {
11016 h: 120.0,
11017 s: 0.5,
11018 l: 0.5,
11019 a: 0.5,
11020 };
11021
11022 let display_point = |col| DisplayPoint::new(DisplayRow(0), col);
11023 let cols = |v: &Vec<(Range<DisplayPoint>, Hsla)>| -> Vec<(u32, u32)> {
11024 v.iter()
11025 .map(|(r, _)| (r.start.column(), r.end.column()))
11026 .collect()
11027 };
11028
11029 // Test overlapping ranges blend colors
11030 let overlapping = vec![
11031 (display_point(5)..display_point(15), color1),
11032 (display_point(10)..display_point(20), color2),
11033 ];
11034 let result = EditorElement::merge_overlapping_ranges(overlapping, base_bg);
11035 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11036
11037 // Test middle segment should have blended color
11038 let blended = Hsla::blend(Hsla::blend(base_bg, color1), color2);
11039 assert_eq!(result[1].1, blended);
11040
11041 // Test adjacent same-color ranges merge
11042 let adjacent_same = vec![
11043 (display_point(5)..display_point(10), color1),
11044 (display_point(10)..display_point(15), color1),
11045 ];
11046 let result = EditorElement::merge_overlapping_ranges(adjacent_same, base_bg);
11047 assert_eq!(cols(&result), vec![(5, 15)]);
11048
11049 // Test contained range splits
11050 let contained = vec![
11051 (display_point(5)..display_point(20), color1),
11052 (display_point(10)..display_point(15), color2),
11053 ];
11054 let result = EditorElement::merge_overlapping_ranges(contained, base_bg);
11055 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11056
11057 // Test multiple overlaps split at every boundary
11058 let color3 = Hsla {
11059 h: 240.0,
11060 s: 0.5,
11061 l: 0.5,
11062 a: 0.5,
11063 };
11064 let complex = vec![
11065 (display_point(5)..display_point(12), color1),
11066 (display_point(8)..display_point(16), color2),
11067 (display_point(10)..display_point(14), color3),
11068 ];
11069 let result = EditorElement::merge_overlapping_ranges(complex, base_bg);
11070 assert_eq!(
11071 cols(&result),
11072 vec![(5, 8), (8, 10), (10, 12), (12, 14), (14, 16)]
11073 );
11074 }
11075
11076 #[gpui::test]
11077 fn test_bg_segments_per_row() {
11078 let base_bg = Hsla::default();
11079
11080 // Case A: selection spans three display rows: row 1 [5, end), full row 2, row 3 [0, 7)
11081 {
11082 let selection_color = Hsla {
11083 h: 200.0,
11084 s: 0.5,
11085 l: 0.5,
11086 a: 0.5,
11087 };
11088 let player_color = PlayerColor {
11089 cursor: selection_color,
11090 background: selection_color,
11091 selection: selection_color,
11092 };
11093
11094 let spanning_selection = SelectionLayout {
11095 head: DisplayPoint::new(DisplayRow(3), 7),
11096 cursor_shape: CursorShape::Bar,
11097 is_newest: true,
11098 is_local: true,
11099 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 7),
11100 active_rows: DisplayRow(1)..DisplayRow(4),
11101 user_name: None,
11102 };
11103
11104 let selections = vec![(player_color, vec![spanning_selection])];
11105 let result = EditorElement::bg_segments_per_row(
11106 DisplayRow(0)..DisplayRow(5),
11107 &selections,
11108 &[],
11109 base_bg,
11110 );
11111
11112 assert_eq!(result.len(), 5);
11113 assert!(result[0].is_empty());
11114 assert_eq!(result[1].len(), 1);
11115 assert_eq!(result[2].len(), 1);
11116 assert_eq!(result[3].len(), 1);
11117 assert!(result[4].is_empty());
11118
11119 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11120 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11121 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11122 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11123 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11124 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11125 assert_eq!(result[3][0].0.start, DisplayPoint::new(DisplayRow(3), 0));
11126 assert_eq!(result[3][0].0.end, DisplayPoint::new(DisplayRow(3), 7));
11127 }
11128
11129 // Case B: selection ends exactly at the start of row 3, excluding row 3
11130 {
11131 let selection_color = Hsla {
11132 h: 120.0,
11133 s: 0.5,
11134 l: 0.5,
11135 a: 0.5,
11136 };
11137 let player_color = PlayerColor {
11138 cursor: selection_color,
11139 background: selection_color,
11140 selection: selection_color,
11141 };
11142
11143 let selection = SelectionLayout {
11144 head: DisplayPoint::new(DisplayRow(2), 0),
11145 cursor_shape: CursorShape::Bar,
11146 is_newest: true,
11147 is_local: true,
11148 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 0),
11149 active_rows: DisplayRow(1)..DisplayRow(3),
11150 user_name: None,
11151 };
11152
11153 let selections = vec![(player_color, vec![selection])];
11154 let result = EditorElement::bg_segments_per_row(
11155 DisplayRow(0)..DisplayRow(4),
11156 &selections,
11157 &[],
11158 base_bg,
11159 );
11160
11161 assert_eq!(result.len(), 4);
11162 assert!(result[0].is_empty());
11163 assert_eq!(result[1].len(), 1);
11164 assert_eq!(result[2].len(), 1);
11165 assert!(result[3].is_empty());
11166
11167 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11168 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11169 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11170 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11171 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11172 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11173 }
11174 }
11175
11176 #[cfg(test)]
11177 fn generate_test_run(len: usize, color: Hsla) -> TextRun {
11178 TextRun {
11179 len,
11180 font: gpui::font(".SystemUIFont"),
11181 color,
11182 background_color: None,
11183 underline: None,
11184 strikethrough: None,
11185 }
11186 }
11187
11188 #[gpui::test]
11189 fn test_split_runs_by_bg_segments(cx: &mut gpui::TestAppContext) {
11190 init_test(cx, |_| {});
11191
11192 let text_color = Hsla {
11193 h: 210.0,
11194 s: 0.1,
11195 l: 0.4,
11196 a: 1.0,
11197 };
11198 let bg1 = Hsla {
11199 h: 30.0,
11200 s: 0.6,
11201 l: 0.8,
11202 a: 1.0,
11203 };
11204 let bg2 = Hsla {
11205 h: 200.0,
11206 s: 0.6,
11207 l: 0.2,
11208 a: 1.0,
11209 };
11210 let min_contrast = 45.0;
11211
11212 // Case A: single run; disjoint segments inside the run
11213 let runs = vec![generate_test_run(20, text_color)];
11214 let segs = vec![
11215 (
11216 DisplayPoint::new(DisplayRow(0), 5)..DisplayPoint::new(DisplayRow(0), 10),
11217 bg1,
11218 ),
11219 (
11220 DisplayPoint::new(DisplayRow(0), 12)..DisplayPoint::new(DisplayRow(0), 16),
11221 bg2,
11222 ),
11223 ];
11224 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast);
11225 // Expected slices: [0,5) [5,10) [10,12) [12,16) [16,20)
11226 assert_eq!(
11227 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11228 vec![5, 5, 2, 4, 4]
11229 );
11230 assert_eq!(out[0].color, text_color);
11231 assert_eq!(
11232 out[1].color,
11233 ensure_minimum_contrast(text_color, bg1, min_contrast)
11234 );
11235 assert_eq!(out[2].color, text_color);
11236 assert_eq!(
11237 out[3].color,
11238 ensure_minimum_contrast(text_color, bg2, min_contrast)
11239 );
11240 assert_eq!(out[4].color, text_color);
11241
11242 // Case B: multiple runs; segment extends to end of line (u32::MAX)
11243 let runs = vec![
11244 generate_test_run(8, text_color),
11245 generate_test_run(7, text_color),
11246 ];
11247 let segs = vec![(
11248 DisplayPoint::new(DisplayRow(0), 6)..DisplayPoint::new(DisplayRow(0), u32::MAX),
11249 bg1,
11250 )];
11251 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast);
11252 // Expected slices across runs: [0,6) [6,8) | [0,7)
11253 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![6, 2, 7]);
11254 let adjusted = ensure_minimum_contrast(text_color, bg1, min_contrast);
11255 assert_eq!(out[0].color, text_color);
11256 assert_eq!(out[1].color, adjusted);
11257 assert_eq!(out[2].color, adjusted);
11258
11259 // Case C: multi-byte characters
11260 // for text: "Hello π δΈη!"
11261 let runs = vec![
11262 generate_test_run(5, text_color), // "Hello"
11263 generate_test_run(6, text_color), // " π "
11264 generate_test_run(6, text_color), // "δΈη"
11265 generate_test_run(1, text_color), // "!"
11266 ];
11267 // selecting "π δΈ"
11268 let segs = vec![(
11269 DisplayPoint::new(DisplayRow(0), 6)..DisplayPoint::new(DisplayRow(0), 14),
11270 bg1,
11271 )];
11272 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast);
11273 // "Hello" | " " | "π " | "δΈ" | "η" | "!"
11274 assert_eq!(
11275 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11276 vec![5, 1, 5, 3, 3, 1]
11277 );
11278 assert_eq!(out[0].color, text_color); // "Hello"
11279 assert_eq!(
11280 out[2].color,
11281 ensure_minimum_contrast(text_color, bg1, min_contrast)
11282 ); // "π "
11283 assert_eq!(
11284 out[3].color,
11285 ensure_minimum_contrast(text_color, bg1, min_contrast)
11286 ); // "δΈ"
11287 assert_eq!(out[4].color, text_color); // "η"
11288 assert_eq!(out[5].color, text_color); // "!"
11289 }
11290}