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::select_next_syntax_node);
369 register_action(editor, window, Editor::select_prev_syntax_node);
370 register_action(editor, window, Editor::unwrap_syntax_node);
371 register_action(editor, window, Editor::select_enclosing_symbol);
372 register_action(editor, window, Editor::move_to_enclosing_bracket);
373 register_action(editor, window, Editor::undo_selection);
374 register_action(editor, window, Editor::redo_selection);
375 if !editor.read(cx).is_singleton(cx) {
376 register_action(editor, window, Editor::expand_excerpts);
377 register_action(editor, window, Editor::expand_excerpts_up);
378 register_action(editor, window, Editor::expand_excerpts_down);
379 }
380 register_action(editor, window, Editor::go_to_diagnostic);
381 register_action(editor, window, Editor::go_to_prev_diagnostic);
382 register_action(editor, window, Editor::go_to_next_hunk);
383 register_action(editor, window, Editor::go_to_prev_hunk);
384 register_action(editor, window, Editor::go_to_next_document_highlight);
385 register_action(editor, window, Editor::go_to_prev_document_highlight);
386 register_action(editor, window, |editor, action, window, cx| {
387 editor
388 .go_to_definition(action, window, cx)
389 .detach_and_log_err(cx);
390 });
391 register_action(editor, window, |editor, action, window, cx| {
392 editor
393 .go_to_definition_split(action, window, cx)
394 .detach_and_log_err(cx);
395 });
396 register_action(editor, window, |editor, action, window, cx| {
397 editor
398 .go_to_declaration(action, window, cx)
399 .detach_and_log_err(cx);
400 });
401 register_action(editor, window, |editor, action, window, cx| {
402 editor
403 .go_to_declaration_split(action, window, cx)
404 .detach_and_log_err(cx);
405 });
406 register_action(editor, window, |editor, action, window, cx| {
407 editor
408 .go_to_implementation(action, window, cx)
409 .detach_and_log_err(cx);
410 });
411 register_action(editor, window, |editor, action, window, cx| {
412 editor
413 .go_to_implementation_split(action, window, cx)
414 .detach_and_log_err(cx);
415 });
416 register_action(editor, window, |editor, action, window, cx| {
417 editor
418 .go_to_type_definition(action, window, cx)
419 .detach_and_log_err(cx);
420 });
421 register_action(editor, window, |editor, action, window, cx| {
422 editor
423 .go_to_type_definition_split(action, window, cx)
424 .detach_and_log_err(cx);
425 });
426 register_action(editor, window, Editor::open_url);
427 register_action(editor, window, Editor::open_selected_filename);
428 register_action(editor, window, Editor::fold);
429 register_action(editor, window, Editor::fold_at_level);
430 register_action(editor, window, Editor::fold_all);
431 register_action(editor, window, Editor::fold_function_bodies);
432 register_action(editor, window, Editor::fold_recursive);
433 register_action(editor, window, Editor::toggle_fold);
434 register_action(editor, window, Editor::toggle_fold_recursive);
435 register_action(editor, window, Editor::toggle_fold_all);
436 register_action(editor, window, Editor::unfold_lines);
437 register_action(editor, window, Editor::unfold_recursive);
438 register_action(editor, window, Editor::unfold_all);
439 register_action(editor, window, Editor::fold_selected_ranges);
440 register_action(editor, window, Editor::set_mark);
441 register_action(editor, window, Editor::swap_selection_ends);
442 register_action(editor, window, Editor::show_completions);
443 register_action(editor, window, Editor::show_word_completions);
444 register_action(editor, window, Editor::toggle_code_actions);
445 register_action(editor, window, Editor::open_excerpts);
446 register_action(editor, window, Editor::open_excerpts_in_split);
447 register_action(editor, window, Editor::open_proposed_changes_editor);
448 register_action(editor, window, Editor::toggle_soft_wrap);
449 register_action(editor, window, Editor::toggle_tab_bar);
450 register_action(editor, window, Editor::toggle_line_numbers);
451 register_action(editor, window, Editor::toggle_relative_line_numbers);
452 register_action(editor, window, Editor::toggle_indent_guides);
453 register_action(editor, window, Editor::toggle_inlay_hints);
454 register_action(editor, window, Editor::toggle_edit_predictions);
455 if editor.read(cx).diagnostics_enabled() {
456 register_action(editor, window, Editor::toggle_diagnostics);
457 }
458 if editor.read(cx).inline_diagnostics_enabled() {
459 register_action(editor, window, Editor::toggle_inline_diagnostics);
460 }
461 if editor.read(cx).supports_minimap(cx) {
462 register_action(editor, window, Editor::toggle_minimap);
463 }
464 register_action(editor, window, hover_popover::hover);
465 register_action(editor, window, Editor::reveal_in_finder);
466 register_action(editor, window, Editor::copy_path);
467 register_action(editor, window, Editor::copy_relative_path);
468 register_action(editor, window, Editor::copy_file_name);
469 register_action(editor, window, Editor::copy_file_name_without_extension);
470 register_action(editor, window, Editor::copy_highlight_json);
471 register_action(editor, window, Editor::copy_permalink_to_line);
472 register_action(editor, window, Editor::open_permalink_to_line);
473 register_action(editor, window, Editor::copy_file_location);
474 register_action(editor, window, Editor::toggle_git_blame);
475 register_action(editor, window, Editor::toggle_git_blame_inline);
476 register_action(editor, window, Editor::open_git_blame_commit);
477 register_action(editor, window, Editor::toggle_selected_diff_hunks);
478 register_action(editor, window, Editor::toggle_staged_selected_diff_hunks);
479 register_action(editor, window, Editor::stage_and_next);
480 register_action(editor, window, Editor::unstage_and_next);
481 register_action(editor, window, Editor::expand_all_diff_hunks);
482 register_action(editor, window, Editor::go_to_previous_change);
483 register_action(editor, window, Editor::go_to_next_change);
484
485 register_action(editor, window, |editor, action, window, cx| {
486 if let Some(task) = editor.format(action, window, cx) {
487 task.detach_and_notify_err(window, cx);
488 } else {
489 cx.propagate();
490 }
491 });
492 register_action(editor, window, |editor, action, window, cx| {
493 if let Some(task) = editor.format_selections(action, window, cx) {
494 task.detach_and_notify_err(window, cx);
495 } else {
496 cx.propagate();
497 }
498 });
499 register_action(editor, window, |editor, action, window, cx| {
500 if let Some(task) = editor.organize_imports(action, window, cx) {
501 task.detach_and_notify_err(window, cx);
502 } else {
503 cx.propagate();
504 }
505 });
506 register_action(editor, window, Editor::restart_language_server);
507 register_action(editor, window, Editor::stop_language_server);
508 register_action(editor, window, Editor::show_character_palette);
509 register_action(editor, window, |editor, action, window, cx| {
510 if let Some(task) = editor.confirm_completion(action, window, cx) {
511 task.detach_and_notify_err(window, cx);
512 } else {
513 cx.propagate();
514 }
515 });
516 register_action(editor, window, |editor, action, window, cx| {
517 if let Some(task) = editor.confirm_completion_replace(action, window, cx) {
518 task.detach_and_notify_err(window, cx);
519 } else {
520 cx.propagate();
521 }
522 });
523 register_action(editor, window, |editor, action, window, cx| {
524 if let Some(task) = editor.confirm_completion_insert(action, window, cx) {
525 task.detach_and_notify_err(window, cx);
526 } else {
527 cx.propagate();
528 }
529 });
530 register_action(editor, window, |editor, action, window, cx| {
531 if let Some(task) = editor.compose_completion(action, window, cx) {
532 task.detach_and_notify_err(window, cx);
533 } else {
534 cx.propagate();
535 }
536 });
537 register_action(editor, window, |editor, action, window, cx| {
538 if let Some(task) = editor.confirm_code_action(action, window, cx) {
539 task.detach_and_notify_err(window, cx);
540 } else {
541 cx.propagate();
542 }
543 });
544 register_action(editor, window, |editor, action, window, cx| {
545 if let Some(task) = editor.rename(action, window, cx) {
546 task.detach_and_notify_err(window, cx);
547 } else {
548 cx.propagate();
549 }
550 });
551 register_action(editor, window, |editor, action, window, cx| {
552 if let Some(task) = editor.confirm_rename(action, window, cx) {
553 task.detach_and_notify_err(window, cx);
554 } else {
555 cx.propagate();
556 }
557 });
558 register_action(editor, window, |editor, action, window, cx| {
559 if let Some(task) = editor.find_all_references(action, window, cx) {
560 task.detach_and_log_err(cx);
561 } else {
562 cx.propagate();
563 }
564 });
565 register_action(editor, window, Editor::show_signature_help);
566 register_action(editor, window, Editor::signature_help_prev);
567 register_action(editor, window, Editor::signature_help_next);
568 register_action(editor, window, Editor::next_edit_prediction);
569 register_action(editor, window, Editor::previous_edit_prediction);
570 register_action(editor, window, Editor::show_edit_prediction);
571 register_action(editor, window, Editor::context_menu_first);
572 register_action(editor, window, Editor::context_menu_prev);
573 register_action(editor, window, Editor::context_menu_next);
574 register_action(editor, window, Editor::context_menu_last);
575 register_action(editor, window, Editor::display_cursor_names);
576 register_action(editor, window, Editor::unique_lines_case_insensitive);
577 register_action(editor, window, Editor::unique_lines_case_sensitive);
578 register_action(editor, window, Editor::accept_partial_edit_prediction);
579 register_action(editor, window, Editor::accept_edit_prediction);
580 register_action(editor, window, Editor::restore_file);
581 register_action(editor, window, Editor::git_restore);
582 register_action(editor, window, Editor::apply_all_diff_hunks);
583 register_action(editor, window, Editor::apply_selected_diff_hunks);
584 register_action(editor, window, Editor::open_active_item_in_terminal);
585 register_action(editor, window, Editor::reload_file);
586 register_action(editor, window, Editor::spawn_nearest_task);
587 register_action(editor, window, Editor::insert_uuid_v4);
588 register_action(editor, window, Editor::insert_uuid_v7);
589 register_action(editor, window, Editor::open_selections_in_multibuffer);
590 register_action(editor, window, Editor::toggle_breakpoint);
591 register_action(editor, window, Editor::edit_log_breakpoint);
592 register_action(editor, window, Editor::enable_breakpoint);
593 register_action(editor, window, Editor::disable_breakpoint);
594 if editor.read(cx).enable_wrap_selections_in_tag(cx) {
595 register_action(editor, window, Editor::wrap_selections_in_tag);
596 }
597 }
598
599 fn register_key_listeners(&self, window: &mut Window, _: &mut App, layout: &EditorLayout) {
600 let position_map = layout.position_map.clone();
601 window.on_key_event({
602 let editor = self.editor.clone();
603 move |event: &ModifiersChangedEvent, phase, window, cx| {
604 if phase != DispatchPhase::Bubble {
605 return;
606 }
607 editor.update(cx, |editor, cx| {
608 let inlay_hint_settings = inlay_hint_settings(
609 editor.selections.newest_anchor().head(),
610 &editor.buffer.read(cx).snapshot(cx),
611 cx,
612 );
613
614 if let Some(inlay_modifiers) = inlay_hint_settings
615 .toggle_on_modifiers_press
616 .as_ref()
617 .filter(|modifiers| modifiers.modified())
618 {
619 editor.refresh_inlay_hints(
620 InlayHintRefreshReason::ModifiersChanged(
621 inlay_modifiers == &event.modifiers,
622 ),
623 cx,
624 );
625 }
626
627 if editor.hover_state.focused(window, cx) {
628 return;
629 }
630
631 editor.handle_modifiers_changed(event.modifiers, &position_map, window, cx);
632 })
633 }
634 });
635 }
636
637 fn mouse_left_down(
638 editor: &mut Editor,
639 event: &MouseDownEvent,
640 hovered_hunk: Option<Range<Anchor>>,
641 position_map: &PositionMap,
642 line_numbers: &HashMap<MultiBufferRow, LineNumberLayout>,
643 window: &mut Window,
644 cx: &mut Context<Editor>,
645 ) {
646 if window.default_prevented() {
647 return;
648 }
649
650 let text_hitbox = &position_map.text_hitbox;
651 let gutter_hitbox = &position_map.gutter_hitbox;
652 let point_for_position = position_map.point_for_position(event.position);
653 let mut click_count = event.click_count;
654 let mut modifiers = event.modifiers;
655
656 if let Some(hovered_hunk) = hovered_hunk {
657 editor.toggle_single_diff_hunk(hovered_hunk, cx);
658 cx.notify();
659 return;
660 } else if gutter_hitbox.is_hovered(window) {
661 click_count = 3; // Simulate triple-click when clicking the gutter to select lines
662 } else if !text_hitbox.is_hovered(window) {
663 return;
664 }
665
666 if EditorSettings::get_global(cx)
667 .drag_and_drop_selection
668 .enabled
669 && click_count == 1
670 {
671 let newest_anchor = editor.selections.newest_anchor();
672 let snapshot = editor.snapshot(window, cx);
673 let selection = newest_anchor.map(|anchor| anchor.to_display_point(&snapshot));
674 if point_for_position.intersects_selection(&selection) {
675 editor.selection_drag_state = SelectionDragState::ReadyToDrag {
676 selection: newest_anchor.clone(),
677 click_position: event.position,
678 mouse_down_time: Instant::now(),
679 };
680 cx.stop_propagation();
681 return;
682 }
683 }
684
685 let is_singleton = editor.buffer().read(cx).is_singleton();
686
687 if click_count == 2 && !is_singleton {
688 match EditorSettings::get_global(cx).double_click_in_multibuffer {
689 DoubleClickInMultibuffer::Select => {
690 // do nothing special on double click, all selection logic is below
691 }
692 DoubleClickInMultibuffer::Open => {
693 if modifiers.alt {
694 // if double click is made with alt, pretend it's a regular double click without opening and alt,
695 // and run the selection logic.
696 modifiers.alt = false;
697 } else {
698 let scroll_position_row =
699 position_map.scroll_pixel_position.y / position_map.line_height;
700 let display_row = (((event.position - gutter_hitbox.bounds.origin).y
701 + position_map.scroll_pixel_position.y)
702 / position_map.line_height)
703 as u32;
704 let multi_buffer_row = position_map
705 .snapshot
706 .display_point_to_point(
707 DisplayPoint::new(DisplayRow(display_row), 0),
708 Bias::Right,
709 )
710 .row;
711 let line_offset_from_top = display_row - scroll_position_row as u32;
712 // if double click is made without alt, open the corresponding excerp
713 editor.open_excerpts_common(
714 Some(JumpData::MultiBufferRow {
715 row: MultiBufferRow(multi_buffer_row),
716 line_offset_from_top,
717 }),
718 false,
719 window,
720 cx,
721 );
722 return;
723 }
724 }
725 }
726 }
727
728 let position = point_for_position.previous_valid;
729 if let Some(mode) = Editor::columnar_selection_mode(&modifiers, cx) {
730 editor.select(
731 SelectPhase::BeginColumnar {
732 position,
733 reset: match mode {
734 ColumnarMode::FromMouse => true,
735 ColumnarMode::FromSelection => false,
736 },
737 mode,
738 goal_column: point_for_position.exact_unclipped.column(),
739 },
740 window,
741 cx,
742 );
743 } else if modifiers.shift && !modifiers.control && !modifiers.alt && !modifiers.secondary()
744 {
745 editor.select(
746 SelectPhase::Extend {
747 position,
748 click_count,
749 },
750 window,
751 cx,
752 );
753 } else {
754 editor.select(
755 SelectPhase::Begin {
756 position,
757 add: Editor::multi_cursor_modifier(true, &modifiers, cx),
758 click_count,
759 },
760 window,
761 cx,
762 );
763 }
764 cx.stop_propagation();
765
766 if !is_singleton {
767 let display_row = (((event.position - gutter_hitbox.bounds.origin).y
768 + position_map.scroll_pixel_position.y)
769 / position_map.line_height) as u32;
770 let multi_buffer_row = position_map
771 .snapshot
772 .display_point_to_point(DisplayPoint::new(DisplayRow(display_row), 0), Bias::Right)
773 .row;
774 if line_numbers
775 .get(&MultiBufferRow(multi_buffer_row))
776 .and_then(|line_number| line_number.hitbox.as_ref())
777 .is_some_and(|hitbox| hitbox.contains(&event.position))
778 {
779 let scroll_position_row =
780 position_map.scroll_pixel_position.y / position_map.line_height;
781 let line_offset_from_top = display_row - scroll_position_row as u32;
782
783 editor.open_excerpts_common(
784 Some(JumpData::MultiBufferRow {
785 row: MultiBufferRow(multi_buffer_row),
786 line_offset_from_top,
787 }),
788 modifiers.alt,
789 window,
790 cx,
791 );
792 cx.stop_propagation();
793 }
794 }
795 }
796
797 fn mouse_right_down(
798 editor: &mut Editor,
799 event: &MouseDownEvent,
800 position_map: &PositionMap,
801 window: &mut Window,
802 cx: &mut Context<Editor>,
803 ) {
804 if position_map.gutter_hitbox.is_hovered(window) {
805 let gutter_right_padding = editor.gutter_dimensions.right_padding;
806 let hitbox = &position_map.gutter_hitbox;
807
808 if event.position.x <= hitbox.bounds.right() - gutter_right_padding {
809 let point_for_position = position_map.point_for_position(event.position);
810 editor.set_breakpoint_context_menu(
811 point_for_position.previous_valid.row(),
812 None,
813 event.position,
814 window,
815 cx,
816 );
817 }
818 return;
819 }
820
821 if !position_map.text_hitbox.is_hovered(window) {
822 return;
823 }
824
825 let point_for_position = position_map.point_for_position(event.position);
826 mouse_context_menu::deploy_context_menu(
827 editor,
828 Some(event.position),
829 point_for_position.previous_valid,
830 window,
831 cx,
832 );
833 cx.stop_propagation();
834 }
835
836 fn mouse_middle_down(
837 editor: &mut Editor,
838 event: &MouseDownEvent,
839 position_map: &PositionMap,
840 window: &mut Window,
841 cx: &mut Context<Editor>,
842 ) {
843 if !position_map.text_hitbox.is_hovered(window) || window.default_prevented() {
844 return;
845 }
846
847 let point_for_position = position_map.point_for_position(event.position);
848 let position = point_for_position.previous_valid;
849
850 editor.select(
851 SelectPhase::BeginColumnar {
852 position,
853 reset: true,
854 mode: ColumnarMode::FromMouse,
855 goal_column: point_for_position.exact_unclipped.column(),
856 },
857 window,
858 cx,
859 );
860 }
861
862 fn mouse_up(
863 editor: &mut Editor,
864 event: &MouseUpEvent,
865 position_map: &PositionMap,
866 window: &mut Window,
867 cx: &mut Context<Editor>,
868 ) {
869 let text_hitbox = &position_map.text_hitbox;
870 let end_selection = editor.has_pending_selection();
871 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
872 let point_for_position = position_map.point_for_position(event.position);
873
874 match editor.selection_drag_state {
875 SelectionDragState::ReadyToDrag {
876 selection: _,
877 ref click_position,
878 mouse_down_time: _,
879 } => {
880 if event.position == *click_position {
881 editor.select(
882 SelectPhase::Begin {
883 position: point_for_position.previous_valid,
884 add: false,
885 click_count: 1, // ready to drag state only occurs on click count 1
886 },
887 window,
888 cx,
889 );
890 editor.selection_drag_state = SelectionDragState::None;
891 cx.stop_propagation();
892 return;
893 } else {
894 debug_panic!("drag state can never be in ready state after drag")
895 }
896 }
897 SelectionDragState::Dragging { ref selection, .. } => {
898 let snapshot = editor.snapshot(window, cx);
899 let selection_display = selection.map(|anchor| anchor.to_display_point(&snapshot));
900 if !point_for_position.intersects_selection(&selection_display)
901 && text_hitbox.is_hovered(window)
902 {
903 let is_cut = !(cfg!(target_os = "macos") && event.modifiers.alt
904 || cfg!(not(target_os = "macos")) && event.modifiers.control);
905 editor.move_selection_on_drop(
906 &selection.clone(),
907 point_for_position.previous_valid,
908 is_cut,
909 window,
910 cx,
911 );
912 }
913 editor.selection_drag_state = SelectionDragState::None;
914 cx.stop_propagation();
915 cx.notify();
916 return;
917 }
918 _ => {}
919 }
920
921 if end_selection {
922 editor.select(SelectPhase::End, window, cx);
923 }
924
925 if end_selection && pending_nonempty_selections {
926 cx.stop_propagation();
927 } else if cfg!(any(target_os = "linux", target_os = "freebsd"))
928 && event.button == MouseButton::Middle
929 {
930 #[allow(
931 clippy::collapsible_if,
932 clippy::needless_return,
933 reason = "The cfg-block below makes this a false positive"
934 )]
935 if !text_hitbox.is_hovered(window) || editor.read_only(cx) {
936 return;
937 }
938
939 #[cfg(any(target_os = "linux", target_os = "freebsd"))]
940 if EditorSettings::get_global(cx).middle_click_paste {
941 if let Some(text) = cx.read_from_primary().and_then(|item| item.text()) {
942 let point_for_position = position_map.point_for_position(event.position);
943 let position = point_for_position.previous_valid;
944
945 editor.select(
946 SelectPhase::Begin {
947 position,
948 add: false,
949 click_count: 1,
950 },
951 window,
952 cx,
953 );
954 editor.insert(&text, window, cx);
955 }
956 cx.stop_propagation()
957 }
958 }
959 }
960
961 fn click(
962 editor: &mut Editor,
963 event: &ClickEvent,
964 position_map: &PositionMap,
965 window: &mut Window,
966 cx: &mut Context<Editor>,
967 ) {
968 let text_hitbox = &position_map.text_hitbox;
969 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
970
971 let hovered_link_modifier = Editor::multi_cursor_modifier(false, &event.modifiers(), cx);
972
973 if let Some(mouse_position) = event.mouse_position()
974 && !pending_nonempty_selections
975 && hovered_link_modifier
976 && text_hitbox.is_hovered(window)
977 {
978 let point = position_map.point_for_position(mouse_position);
979 editor.handle_click_hovered_link(point, event.modifiers(), window, cx);
980 editor.selection_drag_state = SelectionDragState::None;
981
982 cx.stop_propagation();
983 }
984 }
985
986 fn mouse_dragged(
987 editor: &mut Editor,
988 event: &MouseMoveEvent,
989 position_map: &PositionMap,
990 window: &mut Window,
991 cx: &mut Context<Editor>,
992 ) {
993 if !editor.has_pending_selection()
994 && matches!(editor.selection_drag_state, SelectionDragState::None)
995 {
996 return;
997 }
998
999 let point_for_position = position_map.point_for_position(event.position);
1000 let text_hitbox = &position_map.text_hitbox;
1001
1002 let scroll_delta = {
1003 let text_bounds = text_hitbox.bounds;
1004 let mut scroll_delta = gpui::Point::<f32>::default();
1005 let vertical_margin = position_map.line_height.min(text_bounds.size.height / 3.0);
1006 let top = text_bounds.origin.y + vertical_margin;
1007 let bottom = text_bounds.bottom_left().y - vertical_margin;
1008 if event.position.y < top {
1009 scroll_delta.y = -scale_vertical_mouse_autoscroll_delta(top - event.position.y);
1010 }
1011 if event.position.y > bottom {
1012 scroll_delta.y = scale_vertical_mouse_autoscroll_delta(event.position.y - bottom);
1013 }
1014
1015 // We need horizontal width of text
1016 let style = editor.style.clone().unwrap_or_default();
1017 let font_id = window.text_system().resolve_font(&style.text.font());
1018 let font_size = style.text.font_size.to_pixels(window.rem_size());
1019 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
1020
1021 let scroll_margin_x = EditorSettings::get_global(cx).horizontal_scroll_margin;
1022
1023 let scroll_space: Pixels = scroll_margin_x * em_width;
1024
1025 let left = text_bounds.origin.x + scroll_space;
1026 let right = text_bounds.top_right().x - scroll_space;
1027
1028 if event.position.x < left {
1029 scroll_delta.x = -scale_horizontal_mouse_autoscroll_delta(left - event.position.x);
1030 }
1031 if event.position.x > right {
1032 scroll_delta.x = scale_horizontal_mouse_autoscroll_delta(event.position.x - right);
1033 }
1034 scroll_delta
1035 };
1036
1037 if !editor.has_pending_selection() {
1038 let drop_anchor = position_map
1039 .snapshot
1040 .display_point_to_anchor(point_for_position.previous_valid, Bias::Left);
1041 match editor.selection_drag_state {
1042 SelectionDragState::Dragging {
1043 ref mut drop_cursor,
1044 ref mut hide_drop_cursor,
1045 ..
1046 } => {
1047 drop_cursor.start = drop_anchor;
1048 drop_cursor.end = drop_anchor;
1049 *hide_drop_cursor = !text_hitbox.is_hovered(window);
1050 editor.apply_scroll_delta(scroll_delta, window, cx);
1051 cx.notify();
1052 }
1053 SelectionDragState::ReadyToDrag {
1054 ref selection,
1055 ref click_position,
1056 ref mouse_down_time,
1057 } => {
1058 let drag_and_drop_delay = Duration::from_millis(
1059 EditorSettings::get_global(cx).drag_and_drop_selection.delay,
1060 );
1061 if mouse_down_time.elapsed() >= drag_and_drop_delay {
1062 let drop_cursor = Selection {
1063 id: post_inc(&mut editor.selections.next_selection_id),
1064 start: drop_anchor,
1065 end: drop_anchor,
1066 reversed: false,
1067 goal: SelectionGoal::None,
1068 };
1069 editor.selection_drag_state = SelectionDragState::Dragging {
1070 selection: selection.clone(),
1071 drop_cursor,
1072 hide_drop_cursor: false,
1073 };
1074 editor.apply_scroll_delta(scroll_delta, window, cx);
1075 cx.notify();
1076 } else {
1077 let click_point = position_map.point_for_position(*click_position);
1078 editor.selection_drag_state = SelectionDragState::None;
1079 editor.select(
1080 SelectPhase::Begin {
1081 position: click_point.previous_valid,
1082 add: false,
1083 click_count: 1,
1084 },
1085 window,
1086 cx,
1087 );
1088 editor.select(
1089 SelectPhase::Update {
1090 position: point_for_position.previous_valid,
1091 goal_column: point_for_position.exact_unclipped.column(),
1092 scroll_delta,
1093 },
1094 window,
1095 cx,
1096 );
1097 }
1098 }
1099 _ => {}
1100 }
1101 } else {
1102 editor.select(
1103 SelectPhase::Update {
1104 position: point_for_position.previous_valid,
1105 goal_column: point_for_position.exact_unclipped.column(),
1106 scroll_delta,
1107 },
1108 window,
1109 cx,
1110 );
1111 }
1112 }
1113
1114 fn mouse_moved(
1115 editor: &mut Editor,
1116 event: &MouseMoveEvent,
1117 position_map: &PositionMap,
1118 window: &mut Window,
1119 cx: &mut Context<Editor>,
1120 ) {
1121 let text_hitbox = &position_map.text_hitbox;
1122 let gutter_hitbox = &position_map.gutter_hitbox;
1123 let modifiers = event.modifiers;
1124 let text_hovered = text_hitbox.is_hovered(window);
1125 let gutter_hovered = gutter_hitbox.is_hovered(window);
1126 editor.set_gutter_hovered(gutter_hovered, cx);
1127 editor.show_mouse_cursor(cx);
1128
1129 let point_for_position = position_map.point_for_position(event.position);
1130 let valid_point = point_for_position.previous_valid;
1131
1132 let hovered_diff_control = position_map
1133 .diff_hunk_control_bounds
1134 .iter()
1135 .find(|(_, bounds)| bounds.contains(&event.position))
1136 .map(|(row, _)| *row);
1137
1138 let hovered_diff_hunk_row = if let Some(control_row) = hovered_diff_control {
1139 Some(control_row)
1140 } else if text_hovered {
1141 let current_row = valid_point.row();
1142 position_map.display_hunks.iter().find_map(|(hunk, _)| {
1143 if let DisplayDiffHunk::Unfolded {
1144 display_row_range, ..
1145 } = hunk
1146 {
1147 if display_row_range.contains(¤t_row) {
1148 Some(display_row_range.start)
1149 } else {
1150 None
1151 }
1152 } else {
1153 None
1154 }
1155 })
1156 } else {
1157 None
1158 };
1159
1160 if hovered_diff_hunk_row != editor.hovered_diff_hunk_row {
1161 editor.hovered_diff_hunk_row = hovered_diff_hunk_row;
1162 cx.notify();
1163 }
1164
1165 if let Some((bounds, buffer_id, blame_entry)) = &position_map.inline_blame_bounds {
1166 let mouse_over_inline_blame = bounds.contains(&event.position);
1167 let mouse_over_popover = editor
1168 .inline_blame_popover
1169 .as_ref()
1170 .and_then(|state| state.popover_bounds)
1171 .is_some_and(|bounds| bounds.contains(&event.position));
1172 let keyboard_grace = editor
1173 .inline_blame_popover
1174 .as_ref()
1175 .is_some_and(|state| state.keyboard_grace);
1176
1177 if mouse_over_inline_blame || mouse_over_popover {
1178 editor.show_blame_popover(*buffer_id, blame_entry, event.position, false, cx);
1179 } else if !keyboard_grace {
1180 editor.hide_blame_popover(cx);
1181 }
1182 } else {
1183 editor.hide_blame_popover(cx);
1184 }
1185
1186 let breakpoint_indicator = if gutter_hovered {
1187 let buffer_anchor = position_map
1188 .snapshot
1189 .display_point_to_anchor(valid_point, Bias::Left);
1190
1191 if let Some((buffer_snapshot, file)) = position_map
1192 .snapshot
1193 .buffer_snapshot
1194 .buffer_for_excerpt(buffer_anchor.excerpt_id)
1195 .and_then(|buffer| buffer.file().map(|file| (buffer, file)))
1196 {
1197 let as_point = text::ToPoint::to_point(&buffer_anchor.text_anchor, buffer_snapshot);
1198
1199 let is_visible = editor
1200 .gutter_breakpoint_indicator
1201 .0
1202 .is_some_and(|indicator| indicator.is_active);
1203
1204 let has_existing_breakpoint =
1205 editor.breakpoint_store.as_ref().is_some_and(|store| {
1206 let Some(project) = &editor.project else {
1207 return false;
1208 };
1209 let Some(abs_path) = project.read(cx).absolute_path(
1210 &ProjectPath {
1211 path: file.path().clone(),
1212 worktree_id: file.worktree_id(cx),
1213 },
1214 cx,
1215 ) else {
1216 return false;
1217 };
1218 store
1219 .read(cx)
1220 .breakpoint_at_row(&abs_path, as_point.row, cx)
1221 .is_some()
1222 });
1223
1224 if !is_visible {
1225 editor.gutter_breakpoint_indicator.1.get_or_insert_with(|| {
1226 cx.spawn(async move |this, cx| {
1227 cx.background_executor()
1228 .timer(Duration::from_millis(200))
1229 .await;
1230
1231 this.update(cx, |this, cx| {
1232 if let Some(indicator) = this.gutter_breakpoint_indicator.0.as_mut()
1233 {
1234 indicator.is_active = true;
1235 cx.notify();
1236 }
1237 })
1238 .ok();
1239 })
1240 });
1241 }
1242
1243 Some(PhantomBreakpointIndicator {
1244 display_row: valid_point.row(),
1245 is_active: is_visible,
1246 collides_with_existing_breakpoint: has_existing_breakpoint,
1247 })
1248 } else {
1249 editor.gutter_breakpoint_indicator.1 = None;
1250 None
1251 }
1252 } else {
1253 editor.gutter_breakpoint_indicator.1 = None;
1254 None
1255 };
1256
1257 if &breakpoint_indicator != &editor.gutter_breakpoint_indicator.0 {
1258 editor.gutter_breakpoint_indicator.0 = breakpoint_indicator;
1259 cx.notify();
1260 }
1261
1262 // Don't trigger hover popover if mouse is hovering over context menu
1263 if text_hovered {
1264 editor.update_hovered_link(
1265 point_for_position,
1266 &position_map.snapshot,
1267 modifiers,
1268 window,
1269 cx,
1270 );
1271
1272 if let Some(point) = point_for_position.as_valid() {
1273 let anchor = position_map
1274 .snapshot
1275 .buffer_snapshot
1276 .anchor_before(point.to_offset(&position_map.snapshot, Bias::Left));
1277 hover_at(editor, Some(anchor), window, cx);
1278 Self::update_visible_cursor(editor, point, position_map, window, cx);
1279 } else {
1280 hover_at(editor, None, window, cx);
1281 }
1282 } else {
1283 editor.hide_hovered_link(cx);
1284 hover_at(editor, None, window, cx);
1285 }
1286 }
1287
1288 fn update_visible_cursor(
1289 editor: &mut Editor,
1290 point: DisplayPoint,
1291 position_map: &PositionMap,
1292 window: &mut Window,
1293 cx: &mut Context<Editor>,
1294 ) {
1295 let snapshot = &position_map.snapshot;
1296 let Some(hub) = editor.collaboration_hub() else {
1297 return;
1298 };
1299 let start = snapshot.display_snapshot.clip_point(
1300 DisplayPoint::new(point.row(), point.column().saturating_sub(1)),
1301 Bias::Left,
1302 );
1303 let end = snapshot.display_snapshot.clip_point(
1304 DisplayPoint::new(
1305 point.row(),
1306 (point.column() + 1).min(snapshot.line_len(point.row())),
1307 ),
1308 Bias::Right,
1309 );
1310
1311 let range = snapshot
1312 .buffer_snapshot
1313 .anchor_at(start.to_point(&snapshot.display_snapshot), Bias::Left)
1314 ..snapshot
1315 .buffer_snapshot
1316 .anchor_at(end.to_point(&snapshot.display_snapshot), Bias::Right);
1317
1318 let Some(selection) = snapshot.remote_selections_in_range(&range, hub, cx).next() else {
1319 return;
1320 };
1321 let key = crate::HoveredCursor {
1322 replica_id: selection.replica_id,
1323 selection_id: selection.selection.id,
1324 };
1325 editor.hovered_cursors.insert(
1326 key.clone(),
1327 cx.spawn_in(window, async move |editor, cx| {
1328 cx.background_executor().timer(CURSORS_VISIBLE_FOR).await;
1329 editor
1330 .update(cx, |editor, cx| {
1331 editor.hovered_cursors.remove(&key);
1332 cx.notify();
1333 })
1334 .ok();
1335 }),
1336 );
1337 cx.notify()
1338 }
1339
1340 fn layout_selections(
1341 &self,
1342 start_anchor: Anchor,
1343 end_anchor: Anchor,
1344 local_selections: &[Selection<Point>],
1345 snapshot: &EditorSnapshot,
1346 start_row: DisplayRow,
1347 end_row: DisplayRow,
1348 window: &mut Window,
1349 cx: &mut App,
1350 ) -> (
1351 Vec<(PlayerColor, Vec<SelectionLayout>)>,
1352 BTreeMap<DisplayRow, LineHighlightSpec>,
1353 Option<DisplayPoint>,
1354 ) {
1355 let mut selections: Vec<(PlayerColor, Vec<SelectionLayout>)> = Vec::new();
1356 let mut active_rows = BTreeMap::new();
1357 let mut newest_selection_head = None;
1358
1359 let Some(editor_with_selections) = self.editor_with_selections(cx) else {
1360 return (selections, active_rows, newest_selection_head);
1361 };
1362
1363 editor_with_selections.update(cx, |editor, cx| {
1364 if editor.show_local_selections {
1365 let mut layouts = Vec::new();
1366 let newest = editor.selections.newest(cx);
1367 for selection in local_selections.iter().cloned() {
1368 let is_empty = selection.start == selection.end;
1369 let is_newest = selection == newest;
1370
1371 let layout = SelectionLayout::new(
1372 selection,
1373 editor.selections.line_mode,
1374 editor.cursor_shape,
1375 &snapshot.display_snapshot,
1376 is_newest,
1377 editor.leader_id.is_none(),
1378 None,
1379 );
1380 if is_newest {
1381 newest_selection_head = Some(layout.head);
1382 }
1383
1384 for row in cmp::max(layout.active_rows.start.0, start_row.0)
1385 ..=cmp::min(layout.active_rows.end.0, end_row.0)
1386 {
1387 let contains_non_empty_selection = active_rows
1388 .entry(DisplayRow(row))
1389 .or_insert_with(LineHighlightSpec::default);
1390 contains_non_empty_selection.selection |= !is_empty;
1391 }
1392 layouts.push(layout);
1393 }
1394
1395 let player = editor.current_user_player_color(cx);
1396 selections.push((player, layouts));
1397
1398 if let SelectionDragState::Dragging {
1399 ref selection,
1400 ref drop_cursor,
1401 ref hide_drop_cursor,
1402 } = editor.selection_drag_state
1403 && !hide_drop_cursor
1404 && (drop_cursor
1405 .start
1406 .cmp(&selection.start, &snapshot.buffer_snapshot)
1407 .eq(&Ordering::Less)
1408 || drop_cursor
1409 .end
1410 .cmp(&selection.end, &snapshot.buffer_snapshot)
1411 .eq(&Ordering::Greater))
1412 {
1413 let drag_cursor_layout = SelectionLayout::new(
1414 drop_cursor.clone(),
1415 false,
1416 CursorShape::Bar,
1417 &snapshot.display_snapshot,
1418 false,
1419 false,
1420 None,
1421 );
1422 let absent_color = cx.theme().players().absent();
1423 selections.push((absent_color, vec![drag_cursor_layout]));
1424 }
1425 }
1426
1427 if let Some(collaboration_hub) = &editor.collaboration_hub {
1428 // When following someone, render the local selections in their color.
1429 if let Some(leader_id) = editor.leader_id {
1430 match leader_id {
1431 CollaboratorId::PeerId(peer_id) => {
1432 if let Some(collaborator) =
1433 collaboration_hub.collaborators(cx).get(&peer_id)
1434 && let Some(participant_index) = collaboration_hub
1435 .user_participant_indices(cx)
1436 .get(&collaborator.user_id)
1437 && let Some((local_selection_style, _)) = selections.first_mut()
1438 {
1439 *local_selection_style = cx
1440 .theme()
1441 .players()
1442 .color_for_participant(participant_index.0);
1443 }
1444 }
1445 CollaboratorId::Agent => {
1446 if let Some((local_selection_style, _)) = selections.first_mut() {
1447 *local_selection_style = cx.theme().players().agent();
1448 }
1449 }
1450 }
1451 }
1452
1453 let mut remote_selections = HashMap::default();
1454 for selection in snapshot.remote_selections_in_range(
1455 &(start_anchor..end_anchor),
1456 collaboration_hub.as_ref(),
1457 cx,
1458 ) {
1459 // Don't re-render the leader's selections, since the local selections
1460 // match theirs.
1461 if Some(selection.collaborator_id) == editor.leader_id {
1462 continue;
1463 }
1464 let key = HoveredCursor {
1465 replica_id: selection.replica_id,
1466 selection_id: selection.selection.id,
1467 };
1468
1469 let is_shown =
1470 editor.show_cursor_names || editor.hovered_cursors.contains_key(&key);
1471
1472 remote_selections
1473 .entry(selection.replica_id)
1474 .or_insert((selection.color, Vec::new()))
1475 .1
1476 .push(SelectionLayout::new(
1477 selection.selection,
1478 selection.line_mode,
1479 selection.cursor_shape,
1480 &snapshot.display_snapshot,
1481 false,
1482 false,
1483 if is_shown { selection.user_name } else { None },
1484 ));
1485 }
1486
1487 selections.extend(remote_selections.into_values());
1488 } else if !editor.is_focused(window) && editor.show_cursor_when_unfocused {
1489 let layouts = snapshot
1490 .buffer_snapshot
1491 .selections_in_range(&(start_anchor..end_anchor), true)
1492 .map(move |(_, line_mode, cursor_shape, selection)| {
1493 SelectionLayout::new(
1494 selection,
1495 line_mode,
1496 cursor_shape,
1497 &snapshot.display_snapshot,
1498 false,
1499 false,
1500 None,
1501 )
1502 })
1503 .collect::<Vec<_>>();
1504 let player = editor.current_user_player_color(cx);
1505 selections.push((player, layouts));
1506 }
1507 });
1508 (selections, active_rows, newest_selection_head)
1509 }
1510
1511 fn collect_cursors(
1512 &self,
1513 snapshot: &EditorSnapshot,
1514 cx: &mut App,
1515 ) -> Vec<(DisplayPoint, Hsla)> {
1516 let editor = self.editor.read(cx);
1517 let mut cursors = Vec::new();
1518 let mut skip_local = false;
1519 let mut add_cursor = |anchor: Anchor, color| {
1520 cursors.push((anchor.to_display_point(&snapshot.display_snapshot), color));
1521 };
1522 // Remote cursors
1523 if let Some(collaboration_hub) = &editor.collaboration_hub {
1524 for remote_selection in snapshot.remote_selections_in_range(
1525 &(Anchor::min()..Anchor::max()),
1526 collaboration_hub.deref(),
1527 cx,
1528 ) {
1529 add_cursor(
1530 remote_selection.selection.head(),
1531 remote_selection.color.cursor,
1532 );
1533 if Some(remote_selection.collaborator_id) == editor.leader_id {
1534 skip_local = true;
1535 }
1536 }
1537 }
1538 // Local cursors
1539 if !skip_local {
1540 let color = cx.theme().players().local().cursor;
1541 editor.selections.disjoint.iter().for_each(|selection| {
1542 add_cursor(selection.head(), color);
1543 });
1544 if let Some(ref selection) = editor.selections.pending_anchor() {
1545 add_cursor(selection.head(), color);
1546 }
1547 }
1548 cursors
1549 }
1550
1551 fn layout_visible_cursors(
1552 &self,
1553 snapshot: &EditorSnapshot,
1554 selections: &[(PlayerColor, Vec<SelectionLayout>)],
1555 row_block_types: &HashMap<DisplayRow, bool>,
1556 visible_display_row_range: Range<DisplayRow>,
1557 line_layouts: &[LineWithInvisibles],
1558 text_hitbox: &Hitbox,
1559 content_origin: gpui::Point<Pixels>,
1560 scroll_position: gpui::Point<f32>,
1561 scroll_pixel_position: gpui::Point<Pixels>,
1562 line_height: Pixels,
1563 em_width: Pixels,
1564 em_advance: Pixels,
1565 autoscroll_containing_element: bool,
1566 window: &mut Window,
1567 cx: &mut App,
1568 ) -> Vec<CursorLayout> {
1569 let mut autoscroll_bounds = None;
1570 let cursor_layouts = self.editor.update(cx, |editor, cx| {
1571 let mut cursors = Vec::new();
1572
1573 let show_local_cursors = editor.show_local_cursors(window, cx);
1574
1575 for (player_color, selections) in selections {
1576 for selection in selections {
1577 let cursor_position = selection.head;
1578
1579 let in_range = visible_display_row_range.contains(&cursor_position.row());
1580 if (selection.is_local && !show_local_cursors)
1581 || !in_range
1582 || row_block_types.get(&cursor_position.row()) == Some(&true)
1583 {
1584 continue;
1585 }
1586
1587 let cursor_row_layout = &line_layouts
1588 [cursor_position.row().minus(visible_display_row_range.start) as usize];
1589 let cursor_column = cursor_position.column() as usize;
1590
1591 let cursor_character_x = cursor_row_layout.x_for_index(cursor_column);
1592 let mut block_width =
1593 cursor_row_layout.x_for_index(cursor_column + 1) - cursor_character_x;
1594 if block_width == Pixels::ZERO {
1595 block_width = em_advance;
1596 }
1597 let block_text = if let CursorShape::Block = selection.cursor_shape {
1598 snapshot
1599 .grapheme_at(cursor_position)
1600 .or_else(|| {
1601 if snapshot.is_empty() {
1602 snapshot.placeholder_text().and_then(|s| {
1603 s.graphemes(true).next().map(|s| s.to_string().into())
1604 })
1605 } else {
1606 None
1607 }
1608 })
1609 .map(|text| {
1610 let len = text.len();
1611
1612 let font = cursor_row_layout
1613 .font_id_for_index(cursor_column)
1614 .and_then(|cursor_font_id| {
1615 window.text_system().get_font_for_id(cursor_font_id)
1616 })
1617 .unwrap_or(self.style.text.font());
1618
1619 // Invert the text color for the block cursor. Ensure that the text
1620 // color is opaque enough to be visible against the background color.
1621 //
1622 // 0.75 is an arbitrary threshold to determine if the background color is
1623 // opaque enough to use as a text color.
1624 //
1625 // TODO: In the future we should ensure themes have a `text_inverse` color.
1626 let color = if cx.theme().colors().editor_background.a < 0.75 {
1627 match cx.theme().appearance {
1628 Appearance::Dark => Hsla::black(),
1629 Appearance::Light => Hsla::white(),
1630 }
1631 } else {
1632 cx.theme().colors().editor_background
1633 };
1634
1635 window.text_system().shape_line(
1636 text,
1637 cursor_row_layout.font_size,
1638 &[TextRun {
1639 len,
1640 font,
1641 color,
1642 background_color: None,
1643 strikethrough: None,
1644 underline: None,
1645 }],
1646 None,
1647 )
1648 })
1649 } else {
1650 None
1651 };
1652
1653 let x = cursor_character_x - scroll_pixel_position.x;
1654 let y = (cursor_position.row().as_f32()
1655 - scroll_pixel_position.y / line_height)
1656 * line_height;
1657 if selection.is_newest {
1658 editor.pixel_position_of_newest_cursor = Some(point(
1659 text_hitbox.origin.x + x + block_width / 2.,
1660 text_hitbox.origin.y + y + line_height / 2.,
1661 ));
1662
1663 if autoscroll_containing_element {
1664 let top = text_hitbox.origin.y
1665 + (cursor_position.row().as_f32() - scroll_position.y - 3.).max(0.)
1666 * line_height;
1667 let left = text_hitbox.origin.x
1668 + (cursor_position.column() as f32 - scroll_position.x - 3.)
1669 .max(0.)
1670 * em_width;
1671
1672 let bottom = text_hitbox.origin.y
1673 + (cursor_position.row().as_f32() - scroll_position.y + 4.)
1674 * line_height;
1675 let right = text_hitbox.origin.x
1676 + (cursor_position.column() as f32 - scroll_position.x + 4.)
1677 * em_width;
1678
1679 autoscroll_bounds =
1680 Some(Bounds::from_corners(point(left, top), point(right, bottom)))
1681 }
1682 }
1683
1684 let mut cursor = CursorLayout {
1685 color: player_color.cursor,
1686 block_width,
1687 origin: point(x, y),
1688 line_height,
1689 shape: selection.cursor_shape,
1690 block_text,
1691 cursor_name: None,
1692 };
1693 let cursor_name = selection.user_name.clone().map(|name| CursorName {
1694 string: name,
1695 color: self.style.background,
1696 is_top_row: cursor_position.row().0 == 0,
1697 });
1698 cursor.layout(content_origin, cursor_name, window, cx);
1699 cursors.push(cursor);
1700 }
1701 }
1702
1703 cursors
1704 });
1705
1706 if let Some(bounds) = autoscroll_bounds {
1707 window.request_autoscroll(bounds);
1708 }
1709
1710 cursor_layouts
1711 }
1712
1713 fn layout_scrollbars(
1714 &self,
1715 snapshot: &EditorSnapshot,
1716 scrollbar_layout_information: &ScrollbarLayoutInformation,
1717 content_offset: gpui::Point<Pixels>,
1718 scroll_position: gpui::Point<f32>,
1719 non_visible_cursors: bool,
1720 right_margin: Pixels,
1721 editor_width: Pixels,
1722 window: &mut Window,
1723 cx: &mut App,
1724 ) -> Option<EditorScrollbars> {
1725 let show_scrollbars = self.editor.read(cx).show_scrollbars;
1726 if (!show_scrollbars.horizontal && !show_scrollbars.vertical)
1727 || self.style.scrollbar_width.is_zero()
1728 {
1729 return None;
1730 }
1731
1732 // If a drag took place after we started dragging the scrollbar,
1733 // cancel the scrollbar drag.
1734 if cx.has_active_drag() {
1735 self.editor.update(cx, |editor, cx| {
1736 editor.scroll_manager.reset_scrollbar_state(cx)
1737 });
1738 }
1739
1740 let editor_settings = EditorSettings::get_global(cx);
1741 let scrollbar_settings = editor_settings.scrollbar;
1742 let show_scrollbars = match scrollbar_settings.show {
1743 ShowScrollbar::Auto => {
1744 let editor = self.editor.read(cx);
1745 let is_singleton = editor.is_singleton(cx);
1746 // Git
1747 (is_singleton && scrollbar_settings.git_diff && snapshot.buffer_snapshot.has_diff_hunks())
1748 ||
1749 // Buffer Search Results
1750 (is_singleton && scrollbar_settings.search_results && editor.has_background_highlights::<BufferSearchHighlights>())
1751 ||
1752 // Selected Text Occurrences
1753 (is_singleton && scrollbar_settings.selected_text && editor.has_background_highlights::<SelectedTextHighlight>())
1754 ||
1755 // Selected Symbol Occurrences
1756 (is_singleton && scrollbar_settings.selected_symbol && (editor.has_background_highlights::<DocumentHighlightRead>() || editor.has_background_highlights::<DocumentHighlightWrite>()))
1757 ||
1758 // Diagnostics
1759 (is_singleton && scrollbar_settings.diagnostics != ScrollbarDiagnostics::None && snapshot.buffer_snapshot.has_diagnostics())
1760 ||
1761 // Cursors out of sight
1762 non_visible_cursors
1763 ||
1764 // Scrollmanager
1765 editor.scroll_manager.scrollbars_visible()
1766 }
1767 ShowScrollbar::System => self.editor.read(cx).scroll_manager.scrollbars_visible(),
1768 ShowScrollbar::Always => true,
1769 ShowScrollbar::Never => return None,
1770 };
1771
1772 // The horizontal scrollbar is usually slightly offset to align nicely with
1773 // indent guides. However, this offset is not needed if indent guides are
1774 // disabled for the current editor.
1775 let content_offset = self
1776 .editor
1777 .read(cx)
1778 .show_indent_guides
1779 .is_none_or(|should_show| should_show)
1780 .then_some(content_offset)
1781 .unwrap_or_default();
1782
1783 Some(EditorScrollbars::from_scrollbar_axes(
1784 ScrollbarAxes {
1785 horizontal: scrollbar_settings.axes.horizontal
1786 && self.editor.read(cx).show_scrollbars.horizontal,
1787 vertical: scrollbar_settings.axes.vertical
1788 && self.editor.read(cx).show_scrollbars.vertical,
1789 },
1790 scrollbar_layout_information,
1791 content_offset,
1792 scroll_position,
1793 self.style.scrollbar_width,
1794 right_margin,
1795 editor_width,
1796 show_scrollbars,
1797 self.editor.read(cx).scroll_manager.active_scrollbar_state(),
1798 window,
1799 ))
1800 }
1801
1802 fn layout_minimap(
1803 &self,
1804 snapshot: &EditorSnapshot,
1805 minimap_width: Pixels,
1806 scroll_position: gpui::Point<f32>,
1807 scrollbar_layout_information: &ScrollbarLayoutInformation,
1808 scrollbar_layout: Option<&EditorScrollbars>,
1809 window: &mut Window,
1810 cx: &mut App,
1811 ) -> Option<MinimapLayout> {
1812 let minimap_editor = self.editor.read(cx).minimap().cloned()?;
1813
1814 let minimap_settings = EditorSettings::get_global(cx).minimap;
1815
1816 if minimap_settings.on_active_editor() {
1817 let active_editor = self.editor.read(cx).workspace().and_then(|ws| {
1818 ws.read(cx)
1819 .active_pane()
1820 .read(cx)
1821 .active_item()
1822 .and_then(|i| i.act_as::<Editor>(cx))
1823 });
1824 if active_editor.is_some_and(|e| e != self.editor) {
1825 return None;
1826 }
1827 }
1828
1829 if !snapshot.mode.is_full()
1830 || minimap_width.is_zero()
1831 || matches!(
1832 minimap_settings.show,
1833 ShowMinimap::Auto if scrollbar_layout.is_none_or(|layout| !layout.visible)
1834 )
1835 {
1836 return None;
1837 }
1838
1839 const MINIMAP_AXIS: ScrollbarAxis = ScrollbarAxis::Vertical;
1840
1841 let ScrollbarLayoutInformation {
1842 editor_bounds,
1843 scroll_range,
1844 glyph_grid_cell,
1845 } = scrollbar_layout_information;
1846
1847 let line_height = glyph_grid_cell.height;
1848 let scroll_position = scroll_position.along(MINIMAP_AXIS);
1849
1850 let top_right_anchor = scrollbar_layout
1851 .and_then(|layout| layout.vertical.as_ref())
1852 .map(|vertical_scrollbar| vertical_scrollbar.hitbox.origin)
1853 .unwrap_or_else(|| editor_bounds.top_right());
1854
1855 let thumb_state = self
1856 .editor
1857 .read_with(cx, |editor, _| editor.scroll_manager.minimap_thumb_state());
1858
1859 let show_thumb = match minimap_settings.thumb {
1860 MinimapThumb::Always => true,
1861 MinimapThumb::Hover => thumb_state.is_some(),
1862 };
1863
1864 let minimap_bounds = Bounds::from_corner_and_size(
1865 Corner::TopRight,
1866 top_right_anchor,
1867 size(minimap_width, editor_bounds.size.height),
1868 );
1869 let minimap_line_height = self.get_minimap_line_height(
1870 minimap_editor
1871 .read(cx)
1872 .text_style_refinement
1873 .as_ref()
1874 .and_then(|refinement| refinement.font_size)
1875 .unwrap_or(MINIMAP_FONT_SIZE),
1876 window,
1877 cx,
1878 );
1879 let minimap_height = minimap_bounds.size.height;
1880
1881 let visible_editor_lines = editor_bounds.size.height / line_height;
1882 let total_editor_lines = scroll_range.height / line_height;
1883 let minimap_lines = minimap_height / minimap_line_height;
1884
1885 let minimap_scroll_top = MinimapLayout::calculate_minimap_top_offset(
1886 total_editor_lines,
1887 visible_editor_lines,
1888 minimap_lines,
1889 scroll_position,
1890 );
1891
1892 let layout = ScrollbarLayout::for_minimap(
1893 window.insert_hitbox(minimap_bounds, HitboxBehavior::Normal),
1894 visible_editor_lines,
1895 total_editor_lines,
1896 minimap_line_height,
1897 scroll_position,
1898 minimap_scroll_top,
1899 show_thumb,
1900 )
1901 .with_thumb_state(thumb_state);
1902
1903 minimap_editor.update(cx, |editor, cx| {
1904 editor.set_scroll_position(point(0., minimap_scroll_top), window, cx)
1905 });
1906
1907 // Required for the drop shadow to be visible
1908 const PADDING_OFFSET: Pixels = px(4.);
1909
1910 let mut minimap = div()
1911 .size_full()
1912 .shadow_xs()
1913 .px(PADDING_OFFSET)
1914 .child(minimap_editor)
1915 .into_any_element();
1916
1917 let extended_bounds = minimap_bounds.extend(Edges {
1918 right: PADDING_OFFSET,
1919 left: PADDING_OFFSET,
1920 ..Default::default()
1921 });
1922 minimap.layout_as_root(extended_bounds.size.into(), window, cx);
1923 window.with_absolute_element_offset(extended_bounds.origin, |window| {
1924 minimap.prepaint(window, cx)
1925 });
1926
1927 Some(MinimapLayout {
1928 minimap,
1929 thumb_layout: layout,
1930 thumb_border_style: minimap_settings.thumb_border,
1931 minimap_line_height,
1932 minimap_scroll_top,
1933 max_scroll_top: total_editor_lines,
1934 })
1935 }
1936
1937 fn get_minimap_line_height(
1938 &self,
1939 font_size: AbsoluteLength,
1940 window: &mut Window,
1941 cx: &mut App,
1942 ) -> Pixels {
1943 let rem_size = self.rem_size(cx).unwrap_or(window.rem_size());
1944 let mut text_style = self.style.text.clone();
1945 text_style.font_size = font_size;
1946 text_style.line_height_in_pixels(rem_size)
1947 }
1948
1949 fn get_minimap_width(
1950 &self,
1951 minimap_settings: &Minimap,
1952 scrollbars_shown: bool,
1953 text_width: Pixels,
1954 em_width: Pixels,
1955 font_size: Pixels,
1956 rem_size: Pixels,
1957 cx: &App,
1958 ) -> Option<Pixels> {
1959 if minimap_settings.show == ShowMinimap::Auto && !scrollbars_shown {
1960 return None;
1961 }
1962
1963 let minimap_font_size = self.editor.read_with(cx, |editor, cx| {
1964 editor.minimap().map(|minimap_editor| {
1965 minimap_editor
1966 .read(cx)
1967 .text_style_refinement
1968 .as_ref()
1969 .and_then(|refinement| refinement.font_size)
1970 .unwrap_or(MINIMAP_FONT_SIZE)
1971 })
1972 })?;
1973
1974 let minimap_em_width = em_width * (minimap_font_size.to_pixels(rem_size) / font_size);
1975
1976 let minimap_width = (text_width * MinimapLayout::MINIMAP_WIDTH_PCT)
1977 .min(minimap_em_width * minimap_settings.max_width_columns.get() as f32);
1978
1979 (minimap_width >= minimap_em_width * MinimapLayout::MINIMAP_MIN_WIDTH_COLUMNS)
1980 .then_some(minimap_width)
1981 }
1982
1983 fn prepaint_crease_toggles(
1984 &self,
1985 crease_toggles: &mut [Option<AnyElement>],
1986 line_height: Pixels,
1987 gutter_dimensions: &GutterDimensions,
1988 gutter_settings: crate::editor_settings::Gutter,
1989 scroll_pixel_position: gpui::Point<Pixels>,
1990 gutter_hitbox: &Hitbox,
1991 window: &mut Window,
1992 cx: &mut App,
1993 ) {
1994 for (ix, crease_toggle) in crease_toggles.iter_mut().enumerate() {
1995 if let Some(crease_toggle) = crease_toggle {
1996 debug_assert!(gutter_settings.folds);
1997 let available_space = size(
1998 AvailableSpace::MinContent,
1999 AvailableSpace::Definite(line_height * 0.55),
2000 );
2001 let crease_toggle_size = crease_toggle.layout_as_root(available_space, window, cx);
2002
2003 let position = point(
2004 gutter_dimensions.width - gutter_dimensions.right_padding,
2005 ix as f32 * line_height - (scroll_pixel_position.y % line_height),
2006 );
2007 let centering_offset = point(
2008 (gutter_dimensions.fold_area_width() - crease_toggle_size.width) / 2.,
2009 (line_height - crease_toggle_size.height) / 2.,
2010 );
2011 let origin = gutter_hitbox.origin + position + centering_offset;
2012 crease_toggle.prepaint_as_root(origin, available_space, window, cx);
2013 }
2014 }
2015 }
2016
2017 fn prepaint_expand_toggles(
2018 &self,
2019 expand_toggles: &mut [Option<(AnyElement, gpui::Point<Pixels>)>],
2020 window: &mut Window,
2021 cx: &mut App,
2022 ) {
2023 for (expand_toggle, origin) in expand_toggles.iter_mut().flatten() {
2024 let available_space = size(AvailableSpace::MinContent, AvailableSpace::MinContent);
2025 expand_toggle.layout_as_root(available_space, window, cx);
2026 expand_toggle.prepaint_as_root(*origin, available_space, window, cx);
2027 }
2028 }
2029
2030 fn prepaint_crease_trailers(
2031 &self,
2032 trailers: Vec<Option<AnyElement>>,
2033 lines: &[LineWithInvisibles],
2034 line_height: Pixels,
2035 content_origin: gpui::Point<Pixels>,
2036 scroll_pixel_position: gpui::Point<Pixels>,
2037 em_width: Pixels,
2038 window: &mut Window,
2039 cx: &mut App,
2040 ) -> Vec<Option<CreaseTrailerLayout>> {
2041 trailers
2042 .into_iter()
2043 .enumerate()
2044 .map(|(ix, element)| {
2045 let mut element = element?;
2046 let available_space = size(
2047 AvailableSpace::MinContent,
2048 AvailableSpace::Definite(line_height),
2049 );
2050 let size = element.layout_as_root(available_space, window, cx);
2051
2052 let line = &lines[ix];
2053 let padding = if line.width == Pixels::ZERO {
2054 Pixels::ZERO
2055 } else {
2056 4. * em_width
2057 };
2058 let position = point(
2059 scroll_pixel_position.x + line.width + padding,
2060 ix as f32 * line_height - (scroll_pixel_position.y % line_height),
2061 );
2062 let centering_offset = point(px(0.), (line_height - size.height) / 2.);
2063 let origin = content_origin + position + centering_offset;
2064 element.prepaint_as_root(origin, available_space, window, cx);
2065 Some(CreaseTrailerLayout {
2066 element,
2067 bounds: Bounds::new(origin, size),
2068 })
2069 })
2070 .collect()
2071 }
2072
2073 // Folds contained in a hunk are ignored apart from shrinking visual size
2074 // If a fold contains any hunks then that fold line is marked as modified
2075 fn layout_gutter_diff_hunks(
2076 &self,
2077 line_height: Pixels,
2078 gutter_hitbox: &Hitbox,
2079 display_rows: Range<DisplayRow>,
2080 snapshot: &EditorSnapshot,
2081 window: &mut Window,
2082 cx: &mut App,
2083 ) -> Vec<(DisplayDiffHunk, Option<Hitbox>)> {
2084 let folded_buffers = self.editor.read(cx).folded_buffers(cx);
2085 let mut display_hunks = snapshot
2086 .display_diff_hunks_for_rows(display_rows, folded_buffers)
2087 .map(|hunk| (hunk, None))
2088 .collect::<Vec<_>>();
2089 let git_gutter_setting = ProjectSettings::get_global(cx)
2090 .git
2091 .git_gutter
2092 .unwrap_or_default();
2093 if let GitGutterSetting::TrackedFiles = git_gutter_setting {
2094 for (hunk, hitbox) in &mut display_hunks {
2095 if matches!(hunk, DisplayDiffHunk::Unfolded { .. }) {
2096 let hunk_bounds =
2097 Self::diff_hunk_bounds(snapshot, line_height, gutter_hitbox.bounds, hunk);
2098 *hitbox = Some(window.insert_hitbox(hunk_bounds, HitboxBehavior::BlockMouse));
2099 }
2100 }
2101 }
2102
2103 display_hunks
2104 }
2105
2106 fn layout_inline_diagnostics(
2107 &self,
2108 line_layouts: &[LineWithInvisibles],
2109 crease_trailers: &[Option<CreaseTrailerLayout>],
2110 row_block_types: &HashMap<DisplayRow, bool>,
2111 content_origin: gpui::Point<Pixels>,
2112 scroll_pixel_position: gpui::Point<Pixels>,
2113 edit_prediction_popover_origin: Option<gpui::Point<Pixels>>,
2114 start_row: DisplayRow,
2115 end_row: DisplayRow,
2116 line_height: Pixels,
2117 em_width: Pixels,
2118 style: &EditorStyle,
2119 window: &mut Window,
2120 cx: &mut App,
2121 ) -> HashMap<DisplayRow, AnyElement> {
2122 let max_severity = match self
2123 .editor
2124 .read(cx)
2125 .inline_diagnostics_enabled()
2126 .then(|| {
2127 ProjectSettings::get_global(cx)
2128 .diagnostics
2129 .inline
2130 .max_severity
2131 .unwrap_or_else(|| self.editor.read(cx).diagnostics_max_severity)
2132 .into_lsp()
2133 })
2134 .flatten()
2135 {
2136 Some(max_severity) => max_severity,
2137 None => return HashMap::default(),
2138 };
2139
2140 let active_diagnostics_group =
2141 if let ActiveDiagnostic::Group(group) = &self.editor.read(cx).active_diagnostics {
2142 Some(group.group_id)
2143 } else {
2144 None
2145 };
2146
2147 let diagnostics_by_rows = self.editor.update(cx, |editor, cx| {
2148 let snapshot = editor.snapshot(window, cx);
2149 editor
2150 .inline_diagnostics
2151 .iter()
2152 .filter(|(_, diagnostic)| diagnostic.severity <= max_severity)
2153 .filter(|(_, diagnostic)| match active_diagnostics_group {
2154 Some(active_diagnostics_group) => {
2155 // Active diagnostics are all shown in the editor already, no need to display them inline
2156 diagnostic.group_id != active_diagnostics_group
2157 }
2158 None => true,
2159 })
2160 .map(|(point, diag)| (point.to_display_point(&snapshot), diag.clone()))
2161 .skip_while(|(point, _)| point.row() < start_row)
2162 .take_while(|(point, _)| point.row() < end_row)
2163 .filter(|(point, _)| !row_block_types.contains_key(&point.row()))
2164 .fold(HashMap::default(), |mut acc, (point, diagnostic)| {
2165 acc.entry(point.row())
2166 .or_insert_with(Vec::new)
2167 .push(diagnostic);
2168 acc
2169 })
2170 });
2171
2172 if diagnostics_by_rows.is_empty() {
2173 return HashMap::default();
2174 }
2175
2176 let severity_to_color = |sev: &lsp::DiagnosticSeverity| match sev {
2177 &lsp::DiagnosticSeverity::ERROR => Color::Error,
2178 &lsp::DiagnosticSeverity::WARNING => Color::Warning,
2179 &lsp::DiagnosticSeverity::INFORMATION => Color::Info,
2180 &lsp::DiagnosticSeverity::HINT => Color::Hint,
2181 _ => Color::Error,
2182 };
2183
2184 let padding = ProjectSettings::get_global(cx).diagnostics.inline.padding as f32 * em_width;
2185 let min_x = self.column_pixels(
2186 ProjectSettings::get_global(cx)
2187 .diagnostics
2188 .inline
2189 .min_column as usize,
2190 window,
2191 );
2192
2193 let mut elements = HashMap::default();
2194 for (row, mut diagnostics) in diagnostics_by_rows {
2195 diagnostics.sort_by_key(|diagnostic| {
2196 (
2197 diagnostic.severity,
2198 std::cmp::Reverse(diagnostic.is_primary),
2199 diagnostic.start.row,
2200 diagnostic.start.column,
2201 )
2202 });
2203
2204 let Some(diagnostic_to_render) = diagnostics
2205 .iter()
2206 .find(|diagnostic| diagnostic.is_primary)
2207 .or_else(|| diagnostics.first())
2208 else {
2209 continue;
2210 };
2211
2212 let pos_y = content_origin.y
2213 + line_height * (row.0 as f32 - scroll_pixel_position.y / line_height);
2214
2215 let window_ix = row.0.saturating_sub(start_row.0) as usize;
2216 let pos_x = {
2217 let crease_trailer_layout = &crease_trailers[window_ix];
2218 let line_layout = &line_layouts[window_ix];
2219
2220 let line_end = if let Some(crease_trailer) = crease_trailer_layout {
2221 crease_trailer.bounds.right()
2222 } else {
2223 content_origin.x - scroll_pixel_position.x + line_layout.width
2224 };
2225
2226 let padded_line = line_end + padding;
2227 let min_start = content_origin.x - scroll_pixel_position.x + min_x;
2228
2229 cmp::max(padded_line, min_start)
2230 };
2231
2232 let behind_edit_prediction_popover = edit_prediction_popover_origin
2233 .as_ref()
2234 .is_some_and(|edit_prediction_popover_origin| {
2235 (pos_y..pos_y + line_height).contains(&edit_prediction_popover_origin.y)
2236 });
2237 let opacity = if behind_edit_prediction_popover {
2238 0.5
2239 } else {
2240 1.0
2241 };
2242
2243 let mut element = h_flex()
2244 .id(("diagnostic", row.0))
2245 .h(line_height)
2246 .w_full()
2247 .px_1()
2248 .rounded_xs()
2249 .opacity(opacity)
2250 .bg(severity_to_color(&diagnostic_to_render.severity)
2251 .color(cx)
2252 .opacity(0.05))
2253 .text_color(severity_to_color(&diagnostic_to_render.severity).color(cx))
2254 .text_sm()
2255 .font_family(style.text.font().family)
2256 .child(diagnostic_to_render.message.clone())
2257 .into_any();
2258
2259 element.prepaint_as_root(point(pos_x, pos_y), AvailableSpace::min_size(), window, cx);
2260
2261 elements.insert(row, element);
2262 }
2263
2264 elements
2265 }
2266
2267 fn layout_inline_code_actions(
2268 &self,
2269 display_point: DisplayPoint,
2270 content_origin: gpui::Point<Pixels>,
2271 scroll_pixel_position: gpui::Point<Pixels>,
2272 line_height: Pixels,
2273 snapshot: &EditorSnapshot,
2274 window: &mut Window,
2275 cx: &mut App,
2276 ) -> Option<AnyElement> {
2277 if !snapshot
2278 .show_code_actions
2279 .unwrap_or(EditorSettings::get_global(cx).inline_code_actions)
2280 {
2281 return None;
2282 }
2283
2284 let icon_size = ui::IconSize::XSmall;
2285 let mut button = self.editor.update(cx, |editor, cx| {
2286 editor.available_code_actions.as_ref()?;
2287 let active = editor
2288 .context_menu
2289 .borrow()
2290 .as_ref()
2291 .and_then(|menu| {
2292 if let crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2293 deployed_from,
2294 ..
2295 }) = menu
2296 {
2297 deployed_from.as_ref()
2298 } else {
2299 None
2300 }
2301 })
2302 .is_some_and(|source| matches!(source, CodeActionSource::Indicator(..)));
2303 Some(editor.render_inline_code_actions(icon_size, display_point.row(), active, cx))
2304 })?;
2305
2306 let buffer_point = display_point.to_point(&snapshot.display_snapshot);
2307
2308 // do not show code action for folded line
2309 if snapshot.is_line_folded(MultiBufferRow(buffer_point.row)) {
2310 return None;
2311 }
2312
2313 // do not show code action for blank line with cursor
2314 let line_indent = snapshot
2315 .display_snapshot
2316 .buffer_snapshot
2317 .line_indent_for_row(MultiBufferRow(buffer_point.row));
2318 if line_indent.is_line_blank() {
2319 return None;
2320 }
2321
2322 const INLINE_SLOT_CHAR_LIMIT: u32 = 4;
2323 const MAX_ALTERNATE_DISTANCE: u32 = 8;
2324
2325 let excerpt_id = snapshot
2326 .display_snapshot
2327 .buffer_snapshot
2328 .excerpt_containing(buffer_point..buffer_point)
2329 .map(|excerpt| excerpt.id());
2330
2331 let is_valid_row = |row_candidate: u32| -> bool {
2332 // move to other row if folded row
2333 if snapshot.is_line_folded(MultiBufferRow(row_candidate)) {
2334 return false;
2335 }
2336 if buffer_point.row == row_candidate {
2337 // move to other row if cursor is in slot
2338 if buffer_point.column < INLINE_SLOT_CHAR_LIMIT {
2339 return false;
2340 }
2341 } else {
2342 let candidate_point = MultiBufferPoint {
2343 row: row_candidate,
2344 column: 0,
2345 };
2346 let candidate_excerpt_id = snapshot
2347 .display_snapshot
2348 .buffer_snapshot
2349 .excerpt_containing(candidate_point..candidate_point)
2350 .map(|excerpt| excerpt.id());
2351 // move to other row if different excerpt
2352 if excerpt_id != candidate_excerpt_id {
2353 return false;
2354 }
2355 }
2356 let line_indent = snapshot
2357 .display_snapshot
2358 .buffer_snapshot
2359 .line_indent_for_row(MultiBufferRow(row_candidate));
2360 // use this row if it's blank
2361 if line_indent.is_line_blank() {
2362 true
2363 } else {
2364 // use this row if code starts after slot
2365 let indent_size = snapshot
2366 .display_snapshot
2367 .buffer_snapshot
2368 .indent_size_for_line(MultiBufferRow(row_candidate));
2369 indent_size.len >= INLINE_SLOT_CHAR_LIMIT
2370 }
2371 };
2372
2373 let new_buffer_row = if is_valid_row(buffer_point.row) {
2374 Some(buffer_point.row)
2375 } else {
2376 let max_row = snapshot.display_snapshot.buffer_snapshot.max_point().row;
2377 (1..=MAX_ALTERNATE_DISTANCE).find_map(|offset| {
2378 let row_above = buffer_point.row.saturating_sub(offset);
2379 let row_below = buffer_point.row + offset;
2380 if row_above != buffer_point.row && is_valid_row(row_above) {
2381 Some(row_above)
2382 } else if row_below <= max_row && is_valid_row(row_below) {
2383 Some(row_below)
2384 } else {
2385 None
2386 }
2387 })
2388 }?;
2389
2390 let new_display_row = snapshot
2391 .display_snapshot
2392 .point_to_display_point(
2393 Point {
2394 row: new_buffer_row,
2395 column: buffer_point.column,
2396 },
2397 text::Bias::Left,
2398 )
2399 .row();
2400
2401 let start_y = content_origin.y
2402 + ((new_display_row.as_f32() - (scroll_pixel_position.y / line_height)) * line_height)
2403 + (line_height / 2.0)
2404 - (icon_size.square(window, cx) / 2.);
2405 let start_x = content_origin.x - scroll_pixel_position.x + (window.rem_size() * 0.1);
2406
2407 let absolute_offset = gpui::point(start_x, start_y);
2408 button.layout_as_root(gpui::AvailableSpace::min_size(), window, cx);
2409 button.prepaint_as_root(
2410 absolute_offset,
2411 gpui::AvailableSpace::min_size(),
2412 window,
2413 cx,
2414 );
2415 Some(button)
2416 }
2417
2418 fn layout_inline_blame(
2419 &self,
2420 display_row: DisplayRow,
2421 row_info: &RowInfo,
2422 line_layout: &LineWithInvisibles,
2423 crease_trailer: Option<&CreaseTrailerLayout>,
2424 em_width: Pixels,
2425 content_origin: gpui::Point<Pixels>,
2426 scroll_pixel_position: gpui::Point<Pixels>,
2427 line_height: Pixels,
2428 text_hitbox: &Hitbox,
2429 window: &mut Window,
2430 cx: &mut App,
2431 ) -> Option<InlineBlameLayout> {
2432 if !self
2433 .editor
2434 .update(cx, |editor, cx| editor.render_git_blame_inline(window, cx))
2435 {
2436 return None;
2437 }
2438
2439 let editor = self.editor.read(cx);
2440 let blame = editor.blame.clone()?;
2441 let padding = {
2442 const INLINE_ACCEPT_SUGGESTION_EM_WIDTHS: f32 = 14.;
2443
2444 let mut padding = ProjectSettings::get_global(cx)
2445 .git
2446 .inline_blame
2447 .unwrap_or_default()
2448 .padding as f32;
2449
2450 if let Some(edit_prediction) = editor.active_edit_prediction.as_ref()
2451 && let EditPrediction::Edit {
2452 display_mode: EditDisplayMode::TabAccept,
2453 ..
2454 } = &edit_prediction.completion
2455 {
2456 padding += INLINE_ACCEPT_SUGGESTION_EM_WIDTHS
2457 }
2458
2459 padding * em_width
2460 };
2461
2462 let (buffer_id, entry) = blame
2463 .update(cx, |blame, cx| {
2464 blame.blame_for_rows(&[*row_info], cx).next()
2465 })
2466 .flatten()?;
2467
2468 let mut element = render_inline_blame_entry(entry.clone(), &self.style, cx)?;
2469
2470 let start_y = content_origin.y
2471 + line_height * (display_row.as_f32() - scroll_pixel_position.y / line_height);
2472
2473 let start_x = {
2474 let line_end = if let Some(crease_trailer) = crease_trailer {
2475 crease_trailer.bounds.right()
2476 } else {
2477 content_origin.x - scroll_pixel_position.x + line_layout.width
2478 };
2479
2480 let padded_line_end = line_end + padding;
2481
2482 let min_column_in_pixels = ProjectSettings::get_global(cx)
2483 .git
2484 .inline_blame
2485 .map(|settings| settings.min_column)
2486 .map(|col| self.column_pixels(col as usize, window))
2487 .unwrap_or(px(0.));
2488 let min_start = content_origin.x - scroll_pixel_position.x + min_column_in_pixels;
2489
2490 cmp::max(padded_line_end, min_start)
2491 };
2492
2493 let absolute_offset = point(start_x, start_y);
2494 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2495 let bounds = Bounds::new(absolute_offset, size);
2496
2497 self.layout_blame_entry_popover(
2498 entry.clone(),
2499 blame,
2500 line_height,
2501 text_hitbox,
2502 row_info.buffer_id?,
2503 window,
2504 cx,
2505 );
2506
2507 element.prepaint_as_root(absolute_offset, AvailableSpace::min_size(), window, cx);
2508
2509 Some(InlineBlameLayout {
2510 element,
2511 bounds,
2512 buffer_id,
2513 entry,
2514 })
2515 }
2516
2517 fn layout_blame_entry_popover(
2518 &self,
2519 blame_entry: BlameEntry,
2520 blame: Entity<GitBlame>,
2521 line_height: Pixels,
2522 text_hitbox: &Hitbox,
2523 buffer: BufferId,
2524 window: &mut Window,
2525 cx: &mut App,
2526 ) {
2527 let Some((popover_state, target_point)) = self.editor.read_with(cx, |editor, _| {
2528 editor
2529 .inline_blame_popover
2530 .as_ref()
2531 .map(|state| (state.popover_state.clone(), state.position))
2532 }) else {
2533 return;
2534 };
2535
2536 let workspace = self
2537 .editor
2538 .read_with(cx, |editor, _| editor.workspace().map(|w| w.downgrade()));
2539
2540 let maybe_element = workspace.and_then(|workspace| {
2541 render_blame_entry_popover(
2542 blame_entry,
2543 popover_state.scroll_handle,
2544 popover_state.commit_message,
2545 popover_state.markdown,
2546 workspace,
2547 &blame,
2548 buffer,
2549 window,
2550 cx,
2551 )
2552 });
2553
2554 if let Some(mut element) = maybe_element {
2555 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2556 let overall_height = size.height + HOVER_POPOVER_GAP;
2557 let popover_origin = if target_point.y > overall_height {
2558 point(target_point.x, target_point.y - size.height)
2559 } else {
2560 point(
2561 target_point.x,
2562 target_point.y + line_height + HOVER_POPOVER_GAP,
2563 )
2564 };
2565
2566 let horizontal_offset = (text_hitbox.top_right().x
2567 - POPOVER_RIGHT_OFFSET
2568 - (popover_origin.x + size.width))
2569 .min(Pixels::ZERO);
2570
2571 let origin = point(popover_origin.x + horizontal_offset, popover_origin.y);
2572 let popover_bounds = Bounds::new(origin, size);
2573
2574 self.editor.update(cx, |editor, _| {
2575 if let Some(state) = &mut editor.inline_blame_popover {
2576 state.popover_bounds = Some(popover_bounds);
2577 }
2578 });
2579
2580 window.defer_draw(element, origin, 2);
2581 }
2582 }
2583
2584 fn layout_blame_entries(
2585 &self,
2586 buffer_rows: &[RowInfo],
2587 em_width: Pixels,
2588 scroll_position: gpui::Point<f32>,
2589 line_height: Pixels,
2590 gutter_hitbox: &Hitbox,
2591 max_width: Option<Pixels>,
2592 window: &mut Window,
2593 cx: &mut App,
2594 ) -> Option<Vec<AnyElement>> {
2595 if !self
2596 .editor
2597 .update(cx, |editor, cx| editor.render_git_blame_gutter(cx))
2598 {
2599 return None;
2600 }
2601
2602 let blame = self.editor.read(cx).blame.clone()?;
2603 let workspace = self.editor.read(cx).workspace()?;
2604 let blamed_rows: Vec<_> = blame.update(cx, |blame, cx| {
2605 blame.blame_for_rows(buffer_rows, cx).collect()
2606 });
2607
2608 let width = if let Some(max_width) = max_width {
2609 AvailableSpace::Definite(max_width)
2610 } else {
2611 AvailableSpace::MaxContent
2612 };
2613 let scroll_top = scroll_position.y * line_height;
2614 let start_x = em_width;
2615
2616 let mut last_used_color: Option<(PlayerColor, Oid)> = None;
2617 let blame_renderer = cx.global::<GlobalBlameRenderer>().0.clone();
2618
2619 let shaped_lines = blamed_rows
2620 .into_iter()
2621 .enumerate()
2622 .flat_map(|(ix, blame_entry)| {
2623 let (buffer_id, blame_entry) = blame_entry?;
2624 let mut element = render_blame_entry(
2625 ix,
2626 &blame,
2627 blame_entry,
2628 &self.style,
2629 &mut last_used_color,
2630 self.editor.clone(),
2631 workspace.clone(),
2632 buffer_id,
2633 blame_renderer.clone(),
2634 cx,
2635 )?;
2636
2637 let start_y = ix as f32 * line_height - (scroll_top % line_height);
2638 let absolute_offset = gutter_hitbox.origin + point(start_x, start_y);
2639
2640 element.prepaint_as_root(
2641 absolute_offset,
2642 size(width, AvailableSpace::MinContent),
2643 window,
2644 cx,
2645 );
2646
2647 Some(element)
2648 })
2649 .collect();
2650
2651 Some(shaped_lines)
2652 }
2653
2654 fn layout_indent_guides(
2655 &self,
2656 content_origin: gpui::Point<Pixels>,
2657 text_origin: gpui::Point<Pixels>,
2658 visible_buffer_range: Range<MultiBufferRow>,
2659 scroll_pixel_position: gpui::Point<Pixels>,
2660 line_height: Pixels,
2661 snapshot: &DisplaySnapshot,
2662 window: &mut Window,
2663 cx: &mut App,
2664 ) -> Option<Vec<IndentGuideLayout>> {
2665 let indent_guides = self.editor.update(cx, |editor, cx| {
2666 editor.indent_guides(visible_buffer_range, snapshot, cx)
2667 })?;
2668
2669 let active_indent_guide_indices = self.editor.update(cx, |editor, cx| {
2670 editor
2671 .find_active_indent_guide_indices(&indent_guides, snapshot, window, cx)
2672 .unwrap_or_default()
2673 });
2674
2675 Some(
2676 indent_guides
2677 .into_iter()
2678 .enumerate()
2679 .filter_map(|(i, indent_guide)| {
2680 let single_indent_width =
2681 self.column_pixels(indent_guide.tab_size as usize, window);
2682 let total_width = single_indent_width * indent_guide.depth as f32;
2683 let start_x = content_origin.x + total_width - scroll_pixel_position.x;
2684 if start_x >= text_origin.x {
2685 let (offset_y, length) = Self::calculate_indent_guide_bounds(
2686 indent_guide.start_row..indent_guide.end_row,
2687 line_height,
2688 snapshot,
2689 );
2690
2691 let start_y = content_origin.y + offset_y - scroll_pixel_position.y;
2692
2693 Some(IndentGuideLayout {
2694 origin: point(start_x, start_y),
2695 length,
2696 single_indent_width,
2697 depth: indent_guide.depth,
2698 active: active_indent_guide_indices.contains(&i),
2699 settings: indent_guide.settings,
2700 })
2701 } else {
2702 None
2703 }
2704 })
2705 .collect(),
2706 )
2707 }
2708
2709 fn layout_wrap_guides(
2710 &self,
2711 em_advance: Pixels,
2712 scroll_position: gpui::Point<f32>,
2713 content_origin: gpui::Point<Pixels>,
2714 scrollbar_layout: Option<&EditorScrollbars>,
2715 vertical_scrollbar_width: Pixels,
2716 hitbox: &Hitbox,
2717 window: &Window,
2718 cx: &App,
2719 ) -> SmallVec<[(Pixels, bool); 2]> {
2720 let scroll_left = scroll_position.x * em_advance;
2721 let content_origin = content_origin.x;
2722 let horizontal_offset = content_origin - scroll_left;
2723 let vertical_scrollbar_width = scrollbar_layout
2724 .and_then(|layout| layout.visible.then_some(vertical_scrollbar_width))
2725 .unwrap_or_default();
2726
2727 self.editor
2728 .read(cx)
2729 .wrap_guides(cx)
2730 .into_iter()
2731 .flat_map(|(guide, active)| {
2732 let wrap_position = self.column_pixels(guide, window);
2733 let wrap_guide_x = wrap_position + horizontal_offset;
2734 let display_wrap_guide = wrap_guide_x >= content_origin
2735 && wrap_guide_x <= hitbox.bounds.right() - vertical_scrollbar_width;
2736
2737 display_wrap_guide.then_some((wrap_guide_x, active))
2738 })
2739 .collect()
2740 }
2741
2742 fn calculate_indent_guide_bounds(
2743 row_range: Range<MultiBufferRow>,
2744 line_height: Pixels,
2745 snapshot: &DisplaySnapshot,
2746 ) -> (gpui::Pixels, gpui::Pixels) {
2747 let start_point = Point::new(row_range.start.0, 0);
2748 let end_point = Point::new(row_range.end.0, 0);
2749
2750 let row_range = start_point.to_display_point(snapshot).row()
2751 ..end_point.to_display_point(snapshot).row();
2752
2753 let mut prev_line = start_point;
2754 prev_line.row = prev_line.row.saturating_sub(1);
2755 let prev_line = prev_line.to_display_point(snapshot).row();
2756
2757 let mut cons_line = end_point;
2758 cons_line.row += 1;
2759 let cons_line = cons_line.to_display_point(snapshot).row();
2760
2761 let mut offset_y = row_range.start.0 as f32 * line_height;
2762 let mut length = (cons_line.0.saturating_sub(row_range.start.0)) as f32 * line_height;
2763
2764 // If we are at the end of the buffer, ensure that the indent guide extends to the end of the line.
2765 if row_range.end == cons_line {
2766 length += line_height;
2767 }
2768
2769 // If there is a block (e.g. diagnostic) in between the start of the indent guide and the line above,
2770 // we want to extend the indent guide to the start of the block.
2771 let mut block_height = 0;
2772 let mut block_offset = 0;
2773 let mut found_excerpt_header = false;
2774 for (_, block) in snapshot.blocks_in_range(prev_line..row_range.start) {
2775 if matches!(
2776 block,
2777 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
2778 ) {
2779 found_excerpt_header = true;
2780 break;
2781 }
2782 block_offset += block.height();
2783 block_height += block.height();
2784 }
2785 if !found_excerpt_header {
2786 offset_y -= block_offset as f32 * line_height;
2787 length += block_height as f32 * line_height;
2788 }
2789
2790 // If there is a block (e.g. diagnostic) at the end of an multibuffer excerpt,
2791 // we want to ensure that the indent guide stops before the excerpt header.
2792 let mut block_height = 0;
2793 let mut found_excerpt_header = false;
2794 for (_, block) in snapshot.blocks_in_range(row_range.end..cons_line) {
2795 if matches!(
2796 block,
2797 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
2798 ) {
2799 found_excerpt_header = true;
2800 }
2801 block_height += block.height();
2802 }
2803 if found_excerpt_header {
2804 length -= block_height as f32 * line_height;
2805 }
2806
2807 (offset_y, length)
2808 }
2809
2810 fn layout_breakpoints(
2811 &self,
2812 line_height: Pixels,
2813 range: Range<DisplayRow>,
2814 scroll_pixel_position: gpui::Point<Pixels>,
2815 gutter_dimensions: &GutterDimensions,
2816 gutter_hitbox: &Hitbox,
2817 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2818 snapshot: &EditorSnapshot,
2819 breakpoints: HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2820 row_infos: &[RowInfo],
2821 window: &mut Window,
2822 cx: &mut App,
2823 ) -> Vec<AnyElement> {
2824 self.editor.update(cx, |editor, cx| {
2825 breakpoints
2826 .into_iter()
2827 .filter_map(|(display_row, (text_anchor, bp, state))| {
2828 if row_infos
2829 .get((display_row.0.saturating_sub(range.start.0)) as usize)
2830 .is_some_and(|row_info| {
2831 row_info.expand_info.is_some()
2832 || row_info
2833 .diff_status
2834 .is_some_and(|status| status.is_deleted())
2835 })
2836 {
2837 return None;
2838 }
2839
2840 if range.start > display_row || range.end < display_row {
2841 return None;
2842 }
2843
2844 let row =
2845 MultiBufferRow(DisplayPoint::new(display_row, 0).to_point(snapshot).row);
2846 if snapshot.is_line_folded(row) {
2847 return None;
2848 }
2849
2850 let button = editor.render_breakpoint(text_anchor, display_row, &bp, state, cx);
2851
2852 let button = prepaint_gutter_button(
2853 button,
2854 display_row,
2855 line_height,
2856 gutter_dimensions,
2857 scroll_pixel_position,
2858 gutter_hitbox,
2859 display_hunks,
2860 window,
2861 cx,
2862 );
2863 Some(button)
2864 })
2865 .collect_vec()
2866 })
2867 }
2868
2869 #[allow(clippy::too_many_arguments)]
2870 fn layout_run_indicators(
2871 &self,
2872 line_height: Pixels,
2873 range: Range<DisplayRow>,
2874 row_infos: &[RowInfo],
2875 scroll_pixel_position: gpui::Point<Pixels>,
2876 gutter_dimensions: &GutterDimensions,
2877 gutter_hitbox: &Hitbox,
2878 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2879 snapshot: &EditorSnapshot,
2880 breakpoints: &mut HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2881 window: &mut Window,
2882 cx: &mut App,
2883 ) -> Vec<AnyElement> {
2884 self.editor.update(cx, |editor, cx| {
2885 let active_task_indicator_row =
2886 // TODO: add edit button on the right side of each row in the context menu
2887 if let Some(crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2888 deployed_from,
2889 actions,
2890 ..
2891 })) = editor.context_menu.borrow().as_ref()
2892 {
2893 actions
2894 .tasks()
2895 .map(|tasks| tasks.position.to_display_point(snapshot).row())
2896 .or_else(|| match deployed_from {
2897 Some(CodeActionSource::Indicator(row)) => Some(*row),
2898 _ => None,
2899 })
2900 } else {
2901 None
2902 };
2903
2904 let offset_range_start =
2905 snapshot.display_point_to_point(DisplayPoint::new(range.start, 0), Bias::Left);
2906
2907 let offset_range_end =
2908 snapshot.display_point_to_point(DisplayPoint::new(range.end, 0), Bias::Right);
2909
2910 editor
2911 .tasks
2912 .iter()
2913 .filter_map(|(_, tasks)| {
2914 let multibuffer_point = tasks.offset.to_point(&snapshot.buffer_snapshot);
2915 if multibuffer_point < offset_range_start
2916 || multibuffer_point > offset_range_end
2917 {
2918 return None;
2919 }
2920 let multibuffer_row = MultiBufferRow(multibuffer_point.row);
2921 let buffer_folded = snapshot
2922 .buffer_snapshot
2923 .buffer_line_for_row(multibuffer_row)
2924 .map(|(buffer_snapshot, _)| buffer_snapshot.remote_id())
2925 .map(|buffer_id| editor.is_buffer_folded(buffer_id, cx))
2926 .unwrap_or(false);
2927 if buffer_folded {
2928 return None;
2929 }
2930
2931 if snapshot.is_line_folded(multibuffer_row) {
2932 // Skip folded indicators, unless it's the starting line of a fold.
2933 if multibuffer_row
2934 .0
2935 .checked_sub(1)
2936 .is_some_and(|previous_row| {
2937 snapshot.is_line_folded(MultiBufferRow(previous_row))
2938 })
2939 {
2940 return None;
2941 }
2942 }
2943
2944 let display_row = multibuffer_point.to_display_point(snapshot).row();
2945 if !range.contains(&display_row) {
2946 return None;
2947 }
2948 if row_infos
2949 .get((display_row - range.start).0 as usize)
2950 .is_some_and(|row_info| row_info.expand_info.is_some())
2951 {
2952 return None;
2953 }
2954
2955 let button = editor.render_run_indicator(
2956 &self.style,
2957 Some(display_row) == active_task_indicator_row,
2958 display_row,
2959 breakpoints.remove(&display_row),
2960 cx,
2961 );
2962
2963 let button = prepaint_gutter_button(
2964 button,
2965 display_row,
2966 line_height,
2967 gutter_dimensions,
2968 scroll_pixel_position,
2969 gutter_hitbox,
2970 display_hunks,
2971 window,
2972 cx,
2973 );
2974 Some(button)
2975 })
2976 .collect_vec()
2977 })
2978 }
2979
2980 fn layout_expand_toggles(
2981 &self,
2982 gutter_hitbox: &Hitbox,
2983 gutter_dimensions: GutterDimensions,
2984 em_width: Pixels,
2985 line_height: Pixels,
2986 scroll_position: gpui::Point<f32>,
2987 buffer_rows: &[RowInfo],
2988 window: &mut Window,
2989 cx: &mut App,
2990 ) -> Vec<Option<(AnyElement, gpui::Point<Pixels>)>> {
2991 if self.editor.read(cx).disable_expand_excerpt_buttons {
2992 return vec![];
2993 }
2994
2995 let editor_font_size = self.style.text.font_size.to_pixels(window.rem_size()) * 1.2;
2996
2997 let scroll_top = scroll_position.y * line_height;
2998
2999 let max_line_number_length = self
3000 .editor
3001 .read(cx)
3002 .buffer()
3003 .read(cx)
3004 .snapshot(cx)
3005 .widest_line_number()
3006 .ilog10()
3007 + 1;
3008
3009 let git_gutter_width = Self::gutter_strip_width(line_height)
3010 + gutter_dimensions
3011 .git_blame_entries_width
3012 .unwrap_or_default();
3013 let available_width = gutter_dimensions.left_padding - git_gutter_width;
3014
3015 buffer_rows
3016 .iter()
3017 .enumerate()
3018 .map(|(ix, row_info)| {
3019 let ExpandInfo {
3020 excerpt_id,
3021 direction,
3022 } = row_info.expand_info?;
3023
3024 let icon_name = match direction {
3025 ExpandExcerptDirection::Up => IconName::ExpandUp,
3026 ExpandExcerptDirection::Down => IconName::ExpandDown,
3027 ExpandExcerptDirection::UpAndDown => IconName::ExpandVertical,
3028 };
3029
3030 let editor = self.editor.clone();
3031 let is_wide = max_line_number_length
3032 >= EditorSettings::get_global(cx).gutter.min_line_number_digits as u32
3033 && row_info
3034 .buffer_row
3035 .is_some_and(|row| (row + 1).ilog10() + 1 == max_line_number_length)
3036 || gutter_dimensions.right_padding == px(0.);
3037
3038 let width = if is_wide {
3039 available_width - px(2.)
3040 } else {
3041 available_width + em_width - px(2.)
3042 };
3043
3044 let toggle = IconButton::new(("expand", ix), icon_name)
3045 .icon_color(Color::Custom(cx.theme().colors().editor_line_number))
3046 .selected_icon_color(Color::Custom(cx.theme().colors().editor_foreground))
3047 .icon_size(IconSize::Custom(rems(editor_font_size / window.rem_size())))
3048 .width(width)
3049 .on_click(move |_, window, cx| {
3050 editor.update(cx, |editor, cx| {
3051 editor.expand_excerpt(excerpt_id, direction, window, cx);
3052 });
3053 })
3054 .tooltip(Tooltip::for_action_title(
3055 "Expand Excerpt",
3056 &crate::actions::ExpandExcerpts::default(),
3057 ))
3058 .into_any_element();
3059
3060 let position = point(
3061 git_gutter_width + px(1.),
3062 ix as f32 * line_height - (scroll_top % line_height) + px(1.),
3063 );
3064 let origin = gutter_hitbox.origin + position;
3065
3066 Some((toggle, origin))
3067 })
3068 .collect()
3069 }
3070
3071 fn calculate_relative_line_numbers(
3072 &self,
3073 snapshot: &EditorSnapshot,
3074 rows: &Range<DisplayRow>,
3075 relative_to: Option<DisplayRow>,
3076 ) -> HashMap<DisplayRow, DisplayRowDelta> {
3077 let mut relative_rows: HashMap<DisplayRow, DisplayRowDelta> = Default::default();
3078 let Some(relative_to) = relative_to else {
3079 return relative_rows;
3080 };
3081
3082 let start = rows.start.min(relative_to);
3083 let end = rows.end.max(relative_to);
3084
3085 let buffer_rows = snapshot
3086 .row_infos(start)
3087 .take(1 + end.minus(start) as usize)
3088 .collect::<Vec<_>>();
3089
3090 let head_idx = relative_to.minus(start);
3091 let mut delta = 1;
3092 let mut i = head_idx + 1;
3093 while i < buffer_rows.len() as u32 {
3094 if buffer_rows[i as usize].buffer_row.is_some() {
3095 if rows.contains(&DisplayRow(i + start.0)) {
3096 relative_rows.insert(DisplayRow(i + start.0), delta);
3097 }
3098 delta += 1;
3099 }
3100 i += 1;
3101 }
3102 delta = 1;
3103 i = head_idx.min(buffer_rows.len() as u32 - 1);
3104 while i > 0 && buffer_rows[i as usize].buffer_row.is_none() {
3105 i -= 1;
3106 }
3107
3108 while i > 0 {
3109 i -= 1;
3110 if buffer_rows[i as usize].buffer_row.is_some() {
3111 if rows.contains(&DisplayRow(i + start.0)) {
3112 relative_rows.insert(DisplayRow(i + start.0), delta);
3113 }
3114 delta += 1;
3115 }
3116 }
3117
3118 relative_rows
3119 }
3120
3121 fn layout_line_numbers(
3122 &self,
3123 gutter_hitbox: Option<&Hitbox>,
3124 gutter_dimensions: GutterDimensions,
3125 line_height: Pixels,
3126 scroll_position: gpui::Point<f32>,
3127 rows: Range<DisplayRow>,
3128 buffer_rows: &[RowInfo],
3129 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3130 newest_selection_head: Option<DisplayPoint>,
3131 snapshot: &EditorSnapshot,
3132 window: &mut Window,
3133 cx: &mut App,
3134 ) -> Arc<HashMap<MultiBufferRow, LineNumberLayout>> {
3135 let include_line_numbers = snapshot
3136 .show_line_numbers
3137 .unwrap_or_else(|| EditorSettings::get_global(cx).gutter.line_numbers);
3138 if !include_line_numbers {
3139 return Arc::default();
3140 }
3141
3142 let (newest_selection_head, is_relative) = self.editor.update(cx, |editor, cx| {
3143 let newest_selection_head = newest_selection_head.unwrap_or_else(|| {
3144 let newest = editor.selections.newest::<Point>(cx);
3145 SelectionLayout::new(
3146 newest,
3147 editor.selections.line_mode,
3148 editor.cursor_shape,
3149 &snapshot.display_snapshot,
3150 true,
3151 true,
3152 None,
3153 )
3154 .head
3155 });
3156 let is_relative = editor.should_use_relative_line_numbers(cx);
3157 (newest_selection_head, is_relative)
3158 });
3159
3160 let relative_to = if is_relative {
3161 Some(newest_selection_head.row())
3162 } else {
3163 None
3164 };
3165 let relative_rows = self.calculate_relative_line_numbers(snapshot, &rows, relative_to);
3166 let mut line_number = String::new();
3167 let line_numbers = buffer_rows
3168 .iter()
3169 .enumerate()
3170 .flat_map(|(ix, row_info)| {
3171 let display_row = DisplayRow(rows.start.0 + ix as u32);
3172 line_number.clear();
3173 let non_relative_number = row_info.buffer_row? + 1;
3174 let number = relative_rows
3175 .get(&display_row)
3176 .unwrap_or(&non_relative_number);
3177 write!(&mut line_number, "{number}").unwrap();
3178 if row_info
3179 .diff_status
3180 .is_some_and(|status| status.is_deleted())
3181 {
3182 return None;
3183 }
3184
3185 let color = active_rows
3186 .get(&display_row)
3187 .map(|spec| {
3188 if spec.breakpoint {
3189 cx.theme().colors().debugger_accent
3190 } else {
3191 cx.theme().colors().editor_active_line_number
3192 }
3193 })
3194 .unwrap_or_else(|| cx.theme().colors().editor_line_number);
3195 let shaped_line =
3196 self.shape_line_number(SharedString::from(&line_number), color, window);
3197 let scroll_top = scroll_position.y * line_height;
3198 let line_origin = gutter_hitbox.map(|hitbox| {
3199 hitbox.origin
3200 + point(
3201 hitbox.size.width - shaped_line.width - gutter_dimensions.right_padding,
3202 ix as f32 * line_height - (scroll_top % line_height),
3203 )
3204 });
3205
3206 #[cfg(not(test))]
3207 let hitbox = line_origin.map(|line_origin| {
3208 window.insert_hitbox(
3209 Bounds::new(line_origin, size(shaped_line.width, line_height)),
3210 HitboxBehavior::Normal,
3211 )
3212 });
3213 #[cfg(test)]
3214 let hitbox = {
3215 let _ = line_origin;
3216 None
3217 };
3218
3219 let multi_buffer_row = DisplayPoint::new(display_row, 0).to_point(snapshot).row;
3220 let multi_buffer_row = MultiBufferRow(multi_buffer_row);
3221 let line_number = LineNumberLayout {
3222 shaped_line,
3223 hitbox,
3224 };
3225 Some((multi_buffer_row, line_number))
3226 })
3227 .collect();
3228 Arc::new(line_numbers)
3229 }
3230
3231 fn layout_crease_toggles(
3232 &self,
3233 rows: Range<DisplayRow>,
3234 row_infos: &[RowInfo],
3235 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3236 snapshot: &EditorSnapshot,
3237 window: &mut Window,
3238 cx: &mut App,
3239 ) -> Vec<Option<AnyElement>> {
3240 let include_fold_statuses = EditorSettings::get_global(cx).gutter.folds
3241 && snapshot.mode.is_full()
3242 && self.editor.read(cx).is_singleton(cx);
3243 if include_fold_statuses {
3244 row_infos
3245 .iter()
3246 .enumerate()
3247 .map(|(ix, info)| {
3248 if info.expand_info.is_some() {
3249 return None;
3250 }
3251 let row = info.multibuffer_row?;
3252 let display_row = DisplayRow(rows.start.0 + ix as u32);
3253 let active = active_rows.contains_key(&display_row);
3254
3255 snapshot.render_crease_toggle(row, active, self.editor.clone(), window, cx)
3256 })
3257 .collect()
3258 } else {
3259 Vec::new()
3260 }
3261 }
3262
3263 fn layout_crease_trailers(
3264 &self,
3265 buffer_rows: impl IntoIterator<Item = RowInfo>,
3266 snapshot: &EditorSnapshot,
3267 window: &mut Window,
3268 cx: &mut App,
3269 ) -> Vec<Option<AnyElement>> {
3270 buffer_rows
3271 .into_iter()
3272 .map(|row_info| {
3273 if row_info.expand_info.is_some() {
3274 return None;
3275 }
3276 if let Some(row) = row_info.multibuffer_row {
3277 snapshot.render_crease_trailer(row, window, cx)
3278 } else {
3279 None
3280 }
3281 })
3282 .collect()
3283 }
3284
3285 fn bg_segments_per_row(
3286 rows: Range<DisplayRow>,
3287 selections: &[(PlayerColor, Vec<SelectionLayout>)],
3288 highlight_ranges: &[(Range<DisplayPoint>, Hsla)],
3289 base_background: Hsla,
3290 ) -> Vec<Vec<(Range<DisplayPoint>, Hsla)>> {
3291 if rows.start >= rows.end {
3292 return Vec::new();
3293 }
3294 if !base_background.is_opaque() {
3295 // We don't actually know what color is behind this editor.
3296 return Vec::new();
3297 }
3298 let highlight_iter = highlight_ranges.iter().cloned();
3299 let selection_iter = selections.iter().flat_map(|(player_color, layouts)| {
3300 let color = player_color.selection;
3301 layouts.iter().filter_map(move |selection_layout| {
3302 if selection_layout.range.start != selection_layout.range.end {
3303 Some((selection_layout.range.clone(), color))
3304 } else {
3305 None
3306 }
3307 })
3308 });
3309 let mut per_row_map = vec![Vec::new(); rows.len()];
3310 for (range, color) in highlight_iter.chain(selection_iter) {
3311 let covered_rows = if range.end.column() == 0 {
3312 cmp::max(range.start.row(), rows.start)..cmp::min(range.end.row(), rows.end)
3313 } else {
3314 cmp::max(range.start.row(), rows.start)
3315 ..cmp::min(range.end.row().next_row(), rows.end)
3316 };
3317 for row in covered_rows.iter_rows() {
3318 let seg_start = if row == range.start.row() {
3319 range.start
3320 } else {
3321 DisplayPoint::new(row, 0)
3322 };
3323 let seg_end = if row == range.end.row() && range.end.column() != 0 {
3324 range.end
3325 } else {
3326 DisplayPoint::new(row, u32::MAX)
3327 };
3328 let ix = row.minus(rows.start) as usize;
3329 debug_assert!(row >= rows.start && row < rows.end);
3330 debug_assert!(ix < per_row_map.len());
3331 per_row_map[ix].push((seg_start..seg_end, color));
3332 }
3333 }
3334 for row_segments in per_row_map.iter_mut() {
3335 if row_segments.is_empty() {
3336 continue;
3337 }
3338 let segments = mem::take(row_segments);
3339 let merged = Self::merge_overlapping_ranges(segments, base_background);
3340 *row_segments = merged;
3341 }
3342 per_row_map
3343 }
3344
3345 /// Merge overlapping ranges by splitting at all range boundaries and blending colors where
3346 /// multiple ranges overlap. The result contains non-overlapping ranges ordered from left to right.
3347 ///
3348 /// Expects `start.row() == end.row()` for each range.
3349 fn merge_overlapping_ranges(
3350 ranges: Vec<(Range<DisplayPoint>, Hsla)>,
3351 base_background: Hsla,
3352 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
3353 struct Boundary {
3354 pos: DisplayPoint,
3355 is_start: bool,
3356 index: usize,
3357 color: Hsla,
3358 }
3359
3360 let mut boundaries: SmallVec<[Boundary; 16]> = SmallVec::with_capacity(ranges.len() * 2);
3361 for (index, (range, color)) in ranges.iter().enumerate() {
3362 debug_assert!(
3363 range.start.row() == range.end.row(),
3364 "expects single-row ranges"
3365 );
3366 if range.start < range.end {
3367 boundaries.push(Boundary {
3368 pos: range.start,
3369 is_start: true,
3370 index,
3371 color: *color,
3372 });
3373 boundaries.push(Boundary {
3374 pos: range.end,
3375 is_start: false,
3376 index,
3377 color: *color,
3378 });
3379 }
3380 }
3381
3382 if boundaries.is_empty() {
3383 return Vec::new();
3384 }
3385
3386 boundaries
3387 .sort_unstable_by(|a, b| a.pos.cmp(&b.pos).then_with(|| a.is_start.cmp(&b.is_start)));
3388
3389 let mut processed_ranges: Vec<(Range<DisplayPoint>, Hsla)> = Vec::new();
3390 let mut active_ranges: SmallVec<[(usize, Hsla); 8]> = SmallVec::new();
3391
3392 let mut i = 0;
3393 let mut start_pos = boundaries[0].pos;
3394
3395 let boundaries_len = boundaries.len();
3396 while i < boundaries_len {
3397 let current_boundary_pos = boundaries[i].pos;
3398 if start_pos < current_boundary_pos {
3399 if !active_ranges.is_empty() {
3400 let mut color = base_background;
3401 for &(_, c) in &active_ranges {
3402 color = Hsla::blend(color, c);
3403 }
3404 if let Some((last_range, last_color)) = processed_ranges.last_mut() {
3405 if *last_color == color && last_range.end == start_pos {
3406 last_range.end = current_boundary_pos;
3407 } else {
3408 processed_ranges.push((start_pos..current_boundary_pos, color));
3409 }
3410 } else {
3411 processed_ranges.push((start_pos..current_boundary_pos, color));
3412 }
3413 }
3414 }
3415 while i < boundaries_len && boundaries[i].pos == current_boundary_pos {
3416 let active_range = &boundaries[i];
3417 if active_range.is_start {
3418 let idx = active_range.index;
3419 let pos = active_ranges
3420 .binary_search_by_key(&idx, |(i, _)| *i)
3421 .unwrap_or_else(|p| p);
3422 active_ranges.insert(pos, (idx, active_range.color));
3423 } else {
3424 let idx = active_range.index;
3425 if let Ok(pos) = active_ranges.binary_search_by_key(&idx, |(i, _)| *i) {
3426 active_ranges.remove(pos);
3427 }
3428 }
3429 i += 1;
3430 }
3431 start_pos = current_boundary_pos;
3432 }
3433
3434 processed_ranges
3435 }
3436
3437 fn layout_lines(
3438 rows: Range<DisplayRow>,
3439 snapshot: &EditorSnapshot,
3440 style: &EditorStyle,
3441 editor_width: Pixels,
3442 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3443 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
3444 window: &mut Window,
3445 cx: &mut App,
3446 ) -> Vec<LineWithInvisibles> {
3447 if rows.start >= rows.end {
3448 return Vec::new();
3449 }
3450
3451 // Show the placeholder when the editor is empty
3452 if snapshot.is_empty() {
3453 let font_size = style.text.font_size.to_pixels(window.rem_size());
3454 let placeholder_color = cx.theme().colors().text_placeholder;
3455 let placeholder_text = snapshot.placeholder_text();
3456
3457 let placeholder_lines = placeholder_text
3458 .as_ref()
3459 .map_or("", AsRef::as_ref)
3460 .split('\n')
3461 .skip(rows.start.0 as usize)
3462 .chain(iter::repeat(""))
3463 .take(rows.len());
3464 placeholder_lines
3465 .map(move |line| {
3466 let run = TextRun {
3467 len: line.len(),
3468 font: style.text.font(),
3469 color: placeholder_color,
3470 background_color: None,
3471 underline: None,
3472 strikethrough: None,
3473 };
3474 let line = window.text_system().shape_line(
3475 line.to_string().into(),
3476 font_size,
3477 &[run],
3478 None,
3479 );
3480 LineWithInvisibles {
3481 width: line.width,
3482 len: line.len,
3483 fragments: smallvec![LineFragment::Text(line)],
3484 invisibles: Vec::new(),
3485 font_size,
3486 }
3487 })
3488 .collect()
3489 } else {
3490 let chunks = snapshot.highlighted_chunks(rows.clone(), true, style);
3491 LineWithInvisibles::from_chunks(
3492 chunks,
3493 style,
3494 MAX_LINE_LEN,
3495 rows.len(),
3496 &snapshot.mode,
3497 editor_width,
3498 is_row_soft_wrapped,
3499 bg_segments_per_row,
3500 window,
3501 cx,
3502 )
3503 }
3504 }
3505
3506 fn prepaint_lines(
3507 &self,
3508 start_row: DisplayRow,
3509 line_layouts: &mut [LineWithInvisibles],
3510 line_height: Pixels,
3511 scroll_pixel_position: gpui::Point<Pixels>,
3512 content_origin: gpui::Point<Pixels>,
3513 window: &mut Window,
3514 cx: &mut App,
3515 ) -> SmallVec<[AnyElement; 1]> {
3516 let mut line_elements = SmallVec::new();
3517 for (ix, line) in line_layouts.iter_mut().enumerate() {
3518 let row = start_row + DisplayRow(ix as u32);
3519 line.prepaint(
3520 line_height,
3521 scroll_pixel_position,
3522 row,
3523 content_origin,
3524 &mut line_elements,
3525 window,
3526 cx,
3527 );
3528 }
3529 line_elements
3530 }
3531
3532 fn render_block(
3533 &self,
3534 block: &Block,
3535 available_width: AvailableSpace,
3536 block_id: BlockId,
3537 block_row_start: DisplayRow,
3538 snapshot: &EditorSnapshot,
3539 text_x: Pixels,
3540 rows: &Range<DisplayRow>,
3541 line_layouts: &[LineWithInvisibles],
3542 editor_margins: &EditorMargins,
3543 line_height: Pixels,
3544 em_width: Pixels,
3545 text_hitbox: &Hitbox,
3546 editor_width: Pixels,
3547 scroll_width: &mut Pixels,
3548 resized_blocks: &mut HashMap<CustomBlockId, u32>,
3549 row_block_types: &mut HashMap<DisplayRow, bool>,
3550 selections: &[Selection<Point>],
3551 selected_buffer_ids: &Vec<BufferId>,
3552 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3553 sticky_header_excerpt_id: Option<ExcerptId>,
3554 window: &mut Window,
3555 cx: &mut App,
3556 ) -> Option<(AnyElement, Size<Pixels>, DisplayRow, Pixels)> {
3557 let mut x_position = None;
3558 let mut element = match block {
3559 Block::Custom(custom) => {
3560 let block_start = custom.start().to_point(&snapshot.buffer_snapshot);
3561 let block_end = custom.end().to_point(&snapshot.buffer_snapshot);
3562 if block.place_near() && snapshot.is_line_folded(MultiBufferRow(block_start.row)) {
3563 return None;
3564 }
3565 let align_to = block_start.to_display_point(snapshot);
3566 let x_and_width = |layout: &LineWithInvisibles| {
3567 Some((
3568 text_x + layout.x_for_index(align_to.column() as usize),
3569 text_x + layout.width,
3570 ))
3571 };
3572 let line_ix = align_to.row().0.checked_sub(rows.start.0);
3573 x_position =
3574 if let Some(layout) = line_ix.and_then(|ix| line_layouts.get(ix as usize)) {
3575 x_and_width(layout)
3576 } else {
3577 x_and_width(&layout_line(
3578 align_to.row(),
3579 snapshot,
3580 &self.style,
3581 editor_width,
3582 is_row_soft_wrapped,
3583 window,
3584 cx,
3585 ))
3586 };
3587
3588 let anchor_x = x_position.unwrap().0;
3589
3590 let selected = selections
3591 .binary_search_by(|selection| {
3592 if selection.end <= block_start {
3593 Ordering::Less
3594 } else if selection.start >= block_end {
3595 Ordering::Greater
3596 } else {
3597 Ordering::Equal
3598 }
3599 })
3600 .is_ok();
3601
3602 div()
3603 .size_full()
3604 .child(custom.render(&mut BlockContext {
3605 window,
3606 app: cx,
3607 anchor_x,
3608 margins: editor_margins,
3609 line_height,
3610 em_width,
3611 block_id,
3612 selected,
3613 max_width: text_hitbox.size.width.max(*scroll_width),
3614 editor_style: &self.style,
3615 }))
3616 .into_any()
3617 }
3618
3619 Block::FoldedBuffer {
3620 first_excerpt,
3621 height,
3622 ..
3623 } => {
3624 let selected = selected_buffer_ids.contains(&first_excerpt.buffer_id);
3625 let result = v_flex().id(block_id).w_full().pr(editor_margins.right);
3626
3627 let jump_data = header_jump_data(snapshot, block_row_start, *height, first_excerpt);
3628 result
3629 .child(self.render_buffer_header(
3630 first_excerpt,
3631 true,
3632 selected,
3633 false,
3634 jump_data,
3635 window,
3636 cx,
3637 ))
3638 .into_any_element()
3639 }
3640
3641 Block::ExcerptBoundary { .. } => {
3642 let color = cx.theme().colors().clone();
3643 let mut result = v_flex().id(block_id).w_full();
3644
3645 result = result.child(
3646 h_flex().relative().child(
3647 div()
3648 .top(line_height / 2.)
3649 .absolute()
3650 .w_full()
3651 .h_px()
3652 .bg(color.border_variant),
3653 ),
3654 );
3655
3656 result.into_any()
3657 }
3658
3659 Block::BufferHeader { excerpt, height } => {
3660 let mut result = v_flex().id(block_id).w_full();
3661
3662 let jump_data = header_jump_data(snapshot, block_row_start, *height, excerpt);
3663
3664 if sticky_header_excerpt_id != Some(excerpt.id) {
3665 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
3666
3667 result = result.child(div().pr(editor_margins.right).child(
3668 self.render_buffer_header(
3669 excerpt, false, selected, false, jump_data, window, cx,
3670 ),
3671 ));
3672 } else {
3673 result =
3674 result.child(div().h(FILE_HEADER_HEIGHT as f32 * window.line_height()));
3675 }
3676
3677 result.into_any()
3678 }
3679 };
3680
3681 // Discover the element's content height, then round up to the nearest multiple of line height.
3682 let preliminary_size = element.layout_as_root(
3683 size(available_width, AvailableSpace::MinContent),
3684 window,
3685 cx,
3686 );
3687 let quantized_height = (preliminary_size.height / line_height).ceil() * line_height;
3688 let final_size = if preliminary_size.height == quantized_height {
3689 preliminary_size
3690 } else {
3691 element.layout_as_root(size(available_width, quantized_height.into()), window, cx)
3692 };
3693 let mut element_height_in_lines = ((final_size.height / line_height).ceil() as u32).max(1);
3694
3695 let mut row = block_row_start;
3696 let mut x_offset = px(0.);
3697 let mut is_block = true;
3698
3699 if let BlockId::Custom(custom_block_id) = block_id
3700 && block.has_height()
3701 {
3702 if block.place_near()
3703 && let Some((x_target, line_width)) = x_position
3704 {
3705 let margin = em_width * 2;
3706 if line_width + final_size.width + margin
3707 < editor_width + editor_margins.gutter.full_width()
3708 && !row_block_types.contains_key(&(row - 1))
3709 && element_height_in_lines == 1
3710 {
3711 x_offset = line_width + margin;
3712 row = row - 1;
3713 is_block = false;
3714 element_height_in_lines = 0;
3715 row_block_types.insert(row, is_block);
3716 } else {
3717 let max_offset =
3718 editor_width + editor_margins.gutter.full_width() - final_size.width;
3719 let min_offset = (x_target + em_width - final_size.width)
3720 .max(editor_margins.gutter.full_width());
3721 x_offset = x_target.min(max_offset).max(min_offset);
3722 }
3723 };
3724 if element_height_in_lines != block.height() {
3725 resized_blocks.insert(custom_block_id, element_height_in_lines);
3726 }
3727 }
3728 for i in 0..element_height_in_lines {
3729 row_block_types.insert(row + i, is_block);
3730 }
3731
3732 Some((element, final_size, row, x_offset))
3733 }
3734
3735 fn render_buffer_header(
3736 &self,
3737 for_excerpt: &ExcerptInfo,
3738 is_folded: bool,
3739 is_selected: bool,
3740 is_sticky: bool,
3741 jump_data: JumpData,
3742 window: &mut Window,
3743 cx: &mut App,
3744 ) -> impl IntoElement {
3745 let editor = self.editor.read(cx);
3746 let multi_buffer = editor.buffer.read(cx);
3747 let file_status = multi_buffer
3748 .all_diff_hunks_expanded()
3749 .then(|| {
3750 editor
3751 .project
3752 .as_ref()?
3753 .read(cx)
3754 .status_for_buffer_id(for_excerpt.buffer_id, cx)
3755 })
3756 .flatten();
3757 let indicator = multi_buffer
3758 .buffer(for_excerpt.buffer_id)
3759 .and_then(|buffer| {
3760 let buffer = buffer.read(cx);
3761 let indicator_color = match (buffer.has_conflict(), buffer.is_dirty()) {
3762 (true, _) => Some(Color::Warning),
3763 (_, true) => Some(Color::Accent),
3764 (false, false) => None,
3765 };
3766 indicator_color.map(|indicator_color| Indicator::dot().color(indicator_color))
3767 });
3768
3769 let include_root = editor
3770 .project
3771 .as_ref()
3772 .map(|project| project.read(cx).visible_worktrees(cx).count() > 1)
3773 .unwrap_or_default();
3774 let can_open_excerpts = Editor::can_open_excerpts_in_file(for_excerpt.buffer.file());
3775 let relative_path = for_excerpt.buffer.resolve_file_path(cx, include_root);
3776 let filename = relative_path
3777 .as_ref()
3778 .and_then(|path| Some(path.file_name()?.to_string_lossy().to_string()));
3779 let parent_path = relative_path.as_ref().and_then(|path| {
3780 Some(path.parent()?.to_string_lossy().to_string() + std::path::MAIN_SEPARATOR_STR)
3781 });
3782 let focus_handle = editor.focus_handle(cx);
3783 let colors = cx.theme().colors();
3784
3785 let header = div()
3786 .p_1()
3787 .w_full()
3788 .h(FILE_HEADER_HEIGHT as f32 * window.line_height())
3789 .child(
3790 h_flex()
3791 .size_full()
3792 .gap_2()
3793 .flex_basis(Length::Definite(DefiniteLength::Fraction(0.667)))
3794 .pl_0p5()
3795 .pr_5()
3796 .rounded_sm()
3797 .when(is_sticky, |el| el.shadow_md())
3798 .border_1()
3799 .map(|div| {
3800 let border_color = if is_selected
3801 && is_folded
3802 && focus_handle.contains_focused(window, cx)
3803 {
3804 colors.border_focused
3805 } else {
3806 colors.border
3807 };
3808 div.border_color(border_color)
3809 })
3810 .bg(colors.editor_subheader_background)
3811 .hover(|style| style.bg(colors.element_hover))
3812 .map(|header| {
3813 let editor = self.editor.clone();
3814 let buffer_id = for_excerpt.buffer_id;
3815 let toggle_chevron_icon =
3816 FileIcons::get_chevron_icon(!is_folded, cx).map(Icon::from_path);
3817 header.child(
3818 div()
3819 .hover(|style| style.bg(colors.element_selected))
3820 .rounded_xs()
3821 .child(
3822 ButtonLike::new("toggle-buffer-fold")
3823 .style(ui::ButtonStyle::Transparent)
3824 .height(px(28.).into())
3825 .width(px(28.))
3826 .children(toggle_chevron_icon)
3827 .tooltip({
3828 let focus_handle = focus_handle.clone();
3829 move |window, cx| {
3830 Tooltip::with_meta_in(
3831 "Toggle Excerpt Fold",
3832 Some(&ToggleFold),
3833 "Alt+click to toggle all",
3834 &focus_handle,
3835 window,
3836 cx,
3837 )
3838 }
3839 })
3840 .on_click(move |event, window, cx| {
3841 if event.modifiers().alt {
3842 // Alt+click toggles all buffers
3843 editor.update(cx, |editor, cx| {
3844 editor.toggle_fold_all(
3845 &ToggleFoldAll,
3846 window,
3847 cx,
3848 );
3849 });
3850 } else {
3851 // Regular click toggles single buffer
3852 if is_folded {
3853 editor.update(cx, |editor, cx| {
3854 editor.unfold_buffer(buffer_id, cx);
3855 });
3856 } else {
3857 editor.update(cx, |editor, cx| {
3858 editor.fold_buffer(buffer_id, cx);
3859 });
3860 }
3861 }
3862 }),
3863 ),
3864 )
3865 })
3866 .children(
3867 editor
3868 .addons
3869 .values()
3870 .filter_map(|addon| {
3871 addon.render_buffer_header_controls(for_excerpt, window, cx)
3872 })
3873 .take(1),
3874 )
3875 .child(
3876 h_flex()
3877 .size(Pixels(12.0))
3878 .justify_center()
3879 .children(indicator),
3880 )
3881 .child(
3882 h_flex()
3883 .cursor_pointer()
3884 .id("path header block")
3885 .size_full()
3886 .justify_between()
3887 .overflow_hidden()
3888 .child(
3889 h_flex()
3890 .gap_2()
3891 .map(|path_header| {
3892 let filename = filename
3893 .map(SharedString::from)
3894 .unwrap_or_else(|| "untitled".into());
3895
3896 path_header
3897 .when(ItemSettings::get_global(cx).file_icons, |el| {
3898 let path = path::Path::new(filename.as_str());
3899 let icon = FileIcons::get_icon(path, cx)
3900 .unwrap_or_default();
3901 let icon =
3902 Icon::from_path(icon).color(Color::Muted);
3903 el.child(icon)
3904 })
3905 .child(Label::new(filename).single_line().when_some(
3906 file_status,
3907 |el, status| {
3908 el.color(if status.is_conflicted() {
3909 Color::Conflict
3910 } else if status.is_modified() {
3911 Color::Modified
3912 } else if status.is_deleted() {
3913 Color::Disabled
3914 } else {
3915 Color::Created
3916 })
3917 .when(status.is_deleted(), |el| {
3918 el.strikethrough()
3919 })
3920 },
3921 ))
3922 })
3923 .when_some(parent_path, |then, path| {
3924 then.child(div().child(path).text_color(
3925 if file_status.is_some_and(FileStatus::is_deleted) {
3926 colors.text_disabled
3927 } else {
3928 colors.text_muted
3929 },
3930 ))
3931 }),
3932 )
3933 .when(
3934 can_open_excerpts && is_selected && relative_path.is_some(),
3935 |el| {
3936 el.child(
3937 h_flex()
3938 .id("jump-to-file-button")
3939 .gap_2p5()
3940 .child(Label::new("Jump To File"))
3941 .children(
3942 KeyBinding::for_action_in(
3943 &OpenExcerpts,
3944 &focus_handle,
3945 window,
3946 cx,
3947 )
3948 .map(|binding| binding.into_any_element()),
3949 ),
3950 )
3951 },
3952 )
3953 .on_mouse_down(MouseButton::Left, |_, _, cx| cx.stop_propagation())
3954 .on_click(window.listener_for(&self.editor, {
3955 move |editor, e: &ClickEvent, window, cx| {
3956 editor.open_excerpts_common(
3957 Some(jump_data.clone()),
3958 e.modifiers().secondary(),
3959 window,
3960 cx,
3961 );
3962 }
3963 })),
3964 ),
3965 );
3966
3967 let file = for_excerpt.buffer.file().cloned();
3968 let editor = self.editor.clone();
3969 right_click_menu("buffer-header-context-menu")
3970 .trigger(move |_, _, _| header)
3971 .menu(move |window, cx| {
3972 let menu_context = focus_handle.clone();
3973 let editor = editor.clone();
3974 let file = file.clone();
3975 ContextMenu::build(window, cx, move |mut menu, window, cx| {
3976 if let Some(file) = file
3977 && let Some(project) = editor.read(cx).project()
3978 && let Some(worktree) =
3979 project.read(cx).worktree_for_id(file.worktree_id(cx), cx)
3980 {
3981 let worktree = worktree.read(cx);
3982 let relative_path = file.path();
3983 let entry_for_path = worktree.entry_for_path(relative_path);
3984 let abs_path = entry_for_path.map(|e| {
3985 e.canonical_path.as_deref().map_or_else(
3986 || worktree.abs_path().join(relative_path),
3987 Path::to_path_buf,
3988 )
3989 });
3990 let has_relative_path = worktree.root_entry().is_some_and(Entry::is_dir);
3991
3992 let parent_abs_path = abs_path
3993 .as_ref()
3994 .and_then(|abs_path| Some(abs_path.parent()?.to_path_buf()));
3995 let relative_path = has_relative_path
3996 .then_some(relative_path)
3997 .map(ToOwned::to_owned);
3998
3999 let visible_in_project_panel =
4000 relative_path.is_some() && worktree.is_visible();
4001 let reveal_in_project_panel = entry_for_path
4002 .filter(|_| visible_in_project_panel)
4003 .map(|entry| entry.id);
4004 menu = menu
4005 .when_some(abs_path, |menu, abs_path| {
4006 menu.entry(
4007 "Copy Path",
4008 Some(Box::new(zed_actions::workspace::CopyPath)),
4009 window.handler_for(&editor, move |_, _, cx| {
4010 cx.write_to_clipboard(ClipboardItem::new_string(
4011 abs_path.to_string_lossy().to_string(),
4012 ));
4013 }),
4014 )
4015 })
4016 .when_some(relative_path, |menu, relative_path| {
4017 menu.entry(
4018 "Copy Relative Path",
4019 Some(Box::new(zed_actions::workspace::CopyRelativePath)),
4020 window.handler_for(&editor, move |_, _, cx| {
4021 cx.write_to_clipboard(ClipboardItem::new_string(
4022 relative_path.to_string_lossy().to_string(),
4023 ));
4024 }),
4025 )
4026 })
4027 .when(
4028 reveal_in_project_panel.is_some() || parent_abs_path.is_some(),
4029 |menu| menu.separator(),
4030 )
4031 .when_some(reveal_in_project_panel, |menu, entry_id| {
4032 menu.entry(
4033 "Reveal In Project Panel",
4034 Some(Box::new(RevealInProjectPanel::default())),
4035 window.handler_for(&editor, move |editor, _, cx| {
4036 if let Some(project) = &mut editor.project {
4037 project.update(cx, |_, cx| {
4038 cx.emit(project::Event::RevealInProjectPanel(
4039 entry_id,
4040 ))
4041 });
4042 }
4043 }),
4044 )
4045 })
4046 .when_some(parent_abs_path, |menu, parent_abs_path| {
4047 menu.entry(
4048 "Open in Terminal",
4049 Some(Box::new(OpenInTerminal)),
4050 window.handler_for(&editor, move |_, window, cx| {
4051 window.dispatch_action(
4052 OpenTerminal {
4053 working_directory: parent_abs_path.clone(),
4054 }
4055 .boxed_clone(),
4056 cx,
4057 );
4058 }),
4059 )
4060 });
4061 }
4062
4063 menu.context(menu_context)
4064 })
4065 })
4066 }
4067
4068 fn render_blocks(
4069 &self,
4070 rows: Range<DisplayRow>,
4071 snapshot: &EditorSnapshot,
4072 hitbox: &Hitbox,
4073 text_hitbox: &Hitbox,
4074 editor_width: Pixels,
4075 scroll_width: &mut Pixels,
4076 editor_margins: &EditorMargins,
4077 em_width: Pixels,
4078 text_x: Pixels,
4079 line_height: Pixels,
4080 line_layouts: &mut [LineWithInvisibles],
4081 selections: &[Selection<Point>],
4082 selected_buffer_ids: &Vec<BufferId>,
4083 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
4084 sticky_header_excerpt_id: Option<ExcerptId>,
4085 window: &mut Window,
4086 cx: &mut App,
4087 ) -> Result<(Vec<BlockLayout>, HashMap<DisplayRow, bool>), HashMap<CustomBlockId, u32>> {
4088 let (fixed_blocks, non_fixed_blocks) = snapshot
4089 .blocks_in_range(rows.clone())
4090 .partition::<Vec<_>, _>(|(_, block)| block.style() == BlockStyle::Fixed);
4091
4092 let mut focused_block = self
4093 .editor
4094 .update(cx, |editor, _| editor.take_focused_block());
4095 let mut fixed_block_max_width = Pixels::ZERO;
4096 let mut blocks = Vec::new();
4097 let mut resized_blocks = HashMap::default();
4098 let mut row_block_types = HashMap::default();
4099
4100 for (row, block) in fixed_blocks {
4101 let block_id = block.id();
4102
4103 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4104 focused_block = None;
4105 }
4106
4107 if let Some((element, element_size, row, x_offset)) = self.render_block(
4108 block,
4109 AvailableSpace::MinContent,
4110 block_id,
4111 row,
4112 snapshot,
4113 text_x,
4114 &rows,
4115 line_layouts,
4116 editor_margins,
4117 line_height,
4118 em_width,
4119 text_hitbox,
4120 editor_width,
4121 scroll_width,
4122 &mut resized_blocks,
4123 &mut row_block_types,
4124 selections,
4125 selected_buffer_ids,
4126 is_row_soft_wrapped,
4127 sticky_header_excerpt_id,
4128 window,
4129 cx,
4130 ) {
4131 fixed_block_max_width = fixed_block_max_width.max(element_size.width + em_width);
4132 blocks.push(BlockLayout {
4133 id: block_id,
4134 x_offset,
4135 row: Some(row),
4136 element,
4137 available_space: size(AvailableSpace::MinContent, element_size.height.into()),
4138 style: BlockStyle::Fixed,
4139 overlaps_gutter: true,
4140 is_buffer_header: block.is_buffer_header(),
4141 });
4142 }
4143 }
4144
4145 for (row, block) in non_fixed_blocks {
4146 let style = block.style();
4147 let width = match (style, block.place_near()) {
4148 (_, true) => AvailableSpace::MinContent,
4149 (BlockStyle::Sticky, _) => hitbox.size.width.into(),
4150 (BlockStyle::Flex, _) => hitbox
4151 .size
4152 .width
4153 .max(fixed_block_max_width)
4154 .max(editor_margins.gutter.width + *scroll_width)
4155 .into(),
4156 (BlockStyle::Fixed, _) => unreachable!(),
4157 };
4158 let block_id = block.id();
4159
4160 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4161 focused_block = None;
4162 }
4163
4164 if let Some((element, element_size, row, x_offset)) = self.render_block(
4165 block,
4166 width,
4167 block_id,
4168 row,
4169 snapshot,
4170 text_x,
4171 &rows,
4172 line_layouts,
4173 editor_margins,
4174 line_height,
4175 em_width,
4176 text_hitbox,
4177 editor_width,
4178 scroll_width,
4179 &mut resized_blocks,
4180 &mut row_block_types,
4181 selections,
4182 selected_buffer_ids,
4183 is_row_soft_wrapped,
4184 sticky_header_excerpt_id,
4185 window,
4186 cx,
4187 ) {
4188 blocks.push(BlockLayout {
4189 id: block_id,
4190 x_offset,
4191 row: Some(row),
4192 element,
4193 available_space: size(width, element_size.height.into()),
4194 style,
4195 overlaps_gutter: !block.place_near(),
4196 is_buffer_header: block.is_buffer_header(),
4197 });
4198 }
4199 }
4200
4201 if let Some(focused_block) = focused_block
4202 && let Some(focus_handle) = focused_block.focus_handle.upgrade()
4203 && focus_handle.is_focused(window)
4204 && let Some(block) = snapshot.block_for_id(focused_block.id)
4205 {
4206 let style = block.style();
4207 let width = match style {
4208 BlockStyle::Fixed => AvailableSpace::MinContent,
4209 BlockStyle::Flex => AvailableSpace::Definite(
4210 hitbox
4211 .size
4212 .width
4213 .max(fixed_block_max_width)
4214 .max(editor_margins.gutter.width + *scroll_width),
4215 ),
4216 BlockStyle::Sticky => AvailableSpace::Definite(hitbox.size.width),
4217 };
4218
4219 if let Some((element, element_size, _, x_offset)) = self.render_block(
4220 &block,
4221 width,
4222 focused_block.id,
4223 rows.end,
4224 snapshot,
4225 text_x,
4226 &rows,
4227 line_layouts,
4228 editor_margins,
4229 line_height,
4230 em_width,
4231 text_hitbox,
4232 editor_width,
4233 scroll_width,
4234 &mut resized_blocks,
4235 &mut row_block_types,
4236 selections,
4237 selected_buffer_ids,
4238 is_row_soft_wrapped,
4239 sticky_header_excerpt_id,
4240 window,
4241 cx,
4242 ) {
4243 blocks.push(BlockLayout {
4244 id: block.id(),
4245 x_offset,
4246 row: None,
4247 element,
4248 available_space: size(width, element_size.height.into()),
4249 style,
4250 overlaps_gutter: true,
4251 is_buffer_header: block.is_buffer_header(),
4252 });
4253 }
4254 }
4255
4256 if resized_blocks.is_empty() {
4257 *scroll_width =
4258 (*scroll_width).max(fixed_block_max_width - editor_margins.gutter.width);
4259 Ok((blocks, row_block_types))
4260 } else {
4261 Err(resized_blocks)
4262 }
4263 }
4264
4265 fn layout_blocks(
4266 &self,
4267 blocks: &mut Vec<BlockLayout>,
4268 hitbox: &Hitbox,
4269 line_height: Pixels,
4270 scroll_pixel_position: gpui::Point<Pixels>,
4271 window: &mut Window,
4272 cx: &mut App,
4273 ) {
4274 for block in blocks {
4275 let mut origin = if let Some(row) = block.row {
4276 hitbox.origin
4277 + point(
4278 block.x_offset,
4279 row.as_f32() * line_height - scroll_pixel_position.y,
4280 )
4281 } else {
4282 // Position the block outside the visible area
4283 hitbox.origin + point(Pixels::ZERO, hitbox.size.height)
4284 };
4285
4286 if !matches!(block.style, BlockStyle::Sticky) {
4287 origin += point(-scroll_pixel_position.x, Pixels::ZERO);
4288 }
4289
4290 let focus_handle =
4291 block
4292 .element
4293 .prepaint_as_root(origin, block.available_space, window, cx);
4294
4295 if let Some(focus_handle) = focus_handle {
4296 self.editor.update(cx, |editor, _cx| {
4297 editor.set_focused_block(FocusedBlock {
4298 id: block.id,
4299 focus_handle: focus_handle.downgrade(),
4300 });
4301 });
4302 }
4303 }
4304 }
4305
4306 fn layout_sticky_buffer_header(
4307 &self,
4308 StickyHeaderExcerpt { excerpt }: StickyHeaderExcerpt<'_>,
4309 scroll_position: f32,
4310 line_height: Pixels,
4311 right_margin: Pixels,
4312 snapshot: &EditorSnapshot,
4313 hitbox: &Hitbox,
4314 selected_buffer_ids: &Vec<BufferId>,
4315 blocks: &[BlockLayout],
4316 window: &mut Window,
4317 cx: &mut App,
4318 ) -> AnyElement {
4319 let jump_data = header_jump_data(
4320 snapshot,
4321 DisplayRow(scroll_position as u32),
4322 FILE_HEADER_HEIGHT + MULTI_BUFFER_EXCERPT_HEADER_HEIGHT,
4323 excerpt,
4324 );
4325
4326 let editor_bg_color = cx.theme().colors().editor_background;
4327
4328 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
4329
4330 let available_width = hitbox.bounds.size.width - right_margin;
4331
4332 let mut header = v_flex()
4333 .w_full()
4334 .relative()
4335 .child(
4336 div()
4337 .w(available_width)
4338 .h(FILE_HEADER_HEIGHT as f32 * line_height)
4339 .bg(linear_gradient(
4340 0.,
4341 linear_color_stop(editor_bg_color.opacity(0.), 0.),
4342 linear_color_stop(editor_bg_color, 0.6),
4343 ))
4344 .absolute()
4345 .top_0(),
4346 )
4347 .child(
4348 self.render_buffer_header(excerpt, false, selected, true, jump_data, window, cx)
4349 .into_any_element(),
4350 )
4351 .into_any_element();
4352
4353 let mut origin = hitbox.origin;
4354 // Move floating header up to avoid colliding with the next buffer header.
4355 for block in blocks.iter() {
4356 if !block.is_buffer_header {
4357 continue;
4358 }
4359
4360 let Some(display_row) = block.row.filter(|row| row.0 > scroll_position as u32) else {
4361 continue;
4362 };
4363
4364 let max_row = display_row.0.saturating_sub(FILE_HEADER_HEIGHT);
4365 let offset = scroll_position - max_row as f32;
4366
4367 if offset > 0.0 {
4368 origin.y -= offset * line_height;
4369 }
4370 break;
4371 }
4372
4373 let size = size(
4374 AvailableSpace::Definite(available_width),
4375 AvailableSpace::MinContent,
4376 );
4377
4378 header.prepaint_as_root(origin, size, window, cx);
4379
4380 header
4381 }
4382
4383 fn layout_cursor_popovers(
4384 &self,
4385 line_height: Pixels,
4386 text_hitbox: &Hitbox,
4387 content_origin: gpui::Point<Pixels>,
4388 right_margin: Pixels,
4389 start_row: DisplayRow,
4390 scroll_pixel_position: gpui::Point<Pixels>,
4391 line_layouts: &[LineWithInvisibles],
4392 cursor: DisplayPoint,
4393 cursor_point: Point,
4394 style: &EditorStyle,
4395 window: &mut Window,
4396 cx: &mut App,
4397 ) -> Option<ContextMenuLayout> {
4398 let mut min_menu_height = Pixels::ZERO;
4399 let mut max_menu_height = Pixels::ZERO;
4400 let mut height_above_menu = Pixels::ZERO;
4401 let height_below_menu = Pixels::ZERO;
4402 let mut edit_prediction_popover_visible = false;
4403 let mut context_menu_visible = false;
4404 let context_menu_placement;
4405
4406 {
4407 let editor = self.editor.read(cx);
4408 if editor.edit_prediction_visible_in_cursor_popover(editor.has_active_edit_prediction())
4409 {
4410 height_above_menu +=
4411 editor.edit_prediction_cursor_popover_height() + POPOVER_Y_PADDING;
4412 edit_prediction_popover_visible = true;
4413 }
4414
4415 if editor.context_menu_visible()
4416 && let Some(crate::ContextMenuOrigin::Cursor) = editor.context_menu_origin()
4417 {
4418 let (min_height_in_lines, max_height_in_lines) = editor
4419 .context_menu_options
4420 .as_ref()
4421 .map_or((3, 12), |options| {
4422 (options.min_entries_visible, options.max_entries_visible)
4423 });
4424
4425 min_menu_height += line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4426 max_menu_height += line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4427 context_menu_visible = true;
4428 }
4429 context_menu_placement = editor
4430 .context_menu_options
4431 .as_ref()
4432 .and_then(|options| options.placement.clone());
4433 }
4434
4435 let visible = edit_prediction_popover_visible || context_menu_visible;
4436 if !visible {
4437 return None;
4438 }
4439
4440 let cursor_row_layout = &line_layouts[cursor.row().minus(start_row) as usize];
4441 let target_position = content_origin
4442 + gpui::Point {
4443 x: cmp::max(
4444 px(0.),
4445 cursor_row_layout.x_for_index(cursor.column() as usize)
4446 - scroll_pixel_position.x,
4447 ),
4448 y: cmp::max(
4449 px(0.),
4450 cursor.row().next_row().as_f32() * line_height - scroll_pixel_position.y,
4451 ),
4452 };
4453
4454 let viewport_bounds =
4455 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4456 right: -right_margin - MENU_GAP,
4457 ..Default::default()
4458 });
4459
4460 let min_height = height_above_menu + min_menu_height + height_below_menu;
4461 let max_height = height_above_menu + max_menu_height + height_below_menu;
4462 let (laid_out_popovers, y_flipped) = self.layout_popovers_above_or_below_line(
4463 target_position,
4464 line_height,
4465 min_height,
4466 max_height,
4467 context_menu_placement,
4468 text_hitbox,
4469 viewport_bounds,
4470 window,
4471 cx,
4472 |height, max_width_for_stable_x, y_flipped, window, cx| {
4473 // First layout the menu to get its size - others can be at least this wide.
4474 let context_menu = if context_menu_visible {
4475 let menu_height = if y_flipped {
4476 height - height_below_menu
4477 } else {
4478 height - height_above_menu
4479 };
4480 let mut element = self
4481 .render_context_menu(line_height, menu_height, window, cx)
4482 .expect("Visible context menu should always render.");
4483 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4484 Some((CursorPopoverType::CodeContextMenu, element, size))
4485 } else {
4486 None
4487 };
4488 let min_width = context_menu
4489 .as_ref()
4490 .map_or(px(0.), |(_, _, size)| size.width);
4491 let max_width = max_width_for_stable_x.max(
4492 context_menu
4493 .as_ref()
4494 .map_or(px(0.), |(_, _, size)| size.width),
4495 );
4496
4497 let edit_prediction = if edit_prediction_popover_visible {
4498 self.editor.update(cx, move |editor, cx| {
4499 let accept_binding =
4500 editor.accept_edit_prediction_keybind(false, window, cx);
4501 let mut element = editor.render_edit_prediction_cursor_popover(
4502 min_width,
4503 max_width,
4504 cursor_point,
4505 style,
4506 accept_binding.keystroke(),
4507 window,
4508 cx,
4509 )?;
4510 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4511 Some((CursorPopoverType::EditPrediction, element, size))
4512 })
4513 } else {
4514 None
4515 };
4516 vec![edit_prediction, context_menu]
4517 .into_iter()
4518 .flatten()
4519 .collect::<Vec<_>>()
4520 },
4521 )?;
4522
4523 let (menu_ix, (_, menu_bounds)) = laid_out_popovers
4524 .iter()
4525 .find_position(|(x, _)| matches!(x, CursorPopoverType::CodeContextMenu))?;
4526 let last_ix = laid_out_popovers.len() - 1;
4527 let menu_is_last = menu_ix == last_ix;
4528 let first_popover_bounds = laid_out_popovers[0].1;
4529 let last_popover_bounds = laid_out_popovers[last_ix].1;
4530
4531 // Bounds to layout the aside around. When y_flipped, the aside goes either above or to the
4532 // right, and otherwise it goes below or to the right.
4533 let mut target_bounds = Bounds::from_corners(
4534 first_popover_bounds.origin,
4535 last_popover_bounds.bottom_right(),
4536 );
4537 target_bounds.size.width = menu_bounds.size.width;
4538
4539 // Like `target_bounds`, but with the max height it could occupy. Choosing an aside position
4540 // based on this is preferred for layout stability.
4541 let mut max_target_bounds = target_bounds;
4542 max_target_bounds.size.height = max_height;
4543 if y_flipped {
4544 max_target_bounds.origin.y -= max_height - target_bounds.size.height;
4545 }
4546
4547 // Add spacing around `target_bounds` and `max_target_bounds`.
4548 let mut extend_amount = Edges::all(MENU_GAP);
4549 if y_flipped {
4550 extend_amount.bottom = line_height;
4551 } else {
4552 extend_amount.top = line_height;
4553 }
4554 let target_bounds = target_bounds.extend(extend_amount);
4555 let max_target_bounds = max_target_bounds.extend(extend_amount);
4556
4557 let must_place_above_or_below =
4558 if y_flipped && !menu_is_last && menu_bounds.size.height < max_menu_height {
4559 laid_out_popovers[menu_ix + 1..]
4560 .iter()
4561 .any(|(_, popover_bounds)| popover_bounds.size.width > menu_bounds.size.width)
4562 } else {
4563 false
4564 };
4565
4566 let aside_bounds = self.layout_context_menu_aside(
4567 y_flipped,
4568 *menu_bounds,
4569 target_bounds,
4570 max_target_bounds,
4571 max_menu_height,
4572 must_place_above_or_below,
4573 text_hitbox,
4574 viewport_bounds,
4575 window,
4576 cx,
4577 );
4578
4579 if let Some(menu_bounds) = laid_out_popovers.iter().find_map(|(popover_type, bounds)| {
4580 if matches!(popover_type, CursorPopoverType::CodeContextMenu) {
4581 Some(*bounds)
4582 } else {
4583 None
4584 }
4585 }) {
4586 let bounds = if let Some(aside_bounds) = aside_bounds {
4587 menu_bounds.union(&aside_bounds)
4588 } else {
4589 menu_bounds
4590 };
4591 return Some(ContextMenuLayout { y_flipped, bounds });
4592 }
4593
4594 None
4595 }
4596
4597 fn layout_gutter_menu(
4598 &self,
4599 line_height: Pixels,
4600 text_hitbox: &Hitbox,
4601 content_origin: gpui::Point<Pixels>,
4602 right_margin: Pixels,
4603 scroll_pixel_position: gpui::Point<Pixels>,
4604 gutter_overshoot: Pixels,
4605 window: &mut Window,
4606 cx: &mut App,
4607 ) {
4608 let editor = self.editor.read(cx);
4609 if !editor.context_menu_visible() {
4610 return;
4611 }
4612 let Some(crate::ContextMenuOrigin::GutterIndicator(gutter_row)) =
4613 editor.context_menu_origin()
4614 else {
4615 return;
4616 };
4617 // Context menu was spawned via a click on a gutter. Ensure it's a bit closer to the
4618 // indicator than just a plain first column of the text field.
4619 let target_position = content_origin
4620 + gpui::Point {
4621 x: -gutter_overshoot,
4622 y: gutter_row.next_row().as_f32() * line_height - scroll_pixel_position.y,
4623 };
4624
4625 let (min_height_in_lines, max_height_in_lines) = editor
4626 .context_menu_options
4627 .as_ref()
4628 .map_or((3, 12), |options| {
4629 (options.min_entries_visible, options.max_entries_visible)
4630 });
4631
4632 let min_height = line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4633 let max_height = line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4634 let viewport_bounds =
4635 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4636 right: -right_margin - MENU_GAP,
4637 ..Default::default()
4638 });
4639 self.layout_popovers_above_or_below_line(
4640 target_position,
4641 line_height,
4642 min_height,
4643 max_height,
4644 editor
4645 .context_menu_options
4646 .as_ref()
4647 .and_then(|options| options.placement.clone()),
4648 text_hitbox,
4649 viewport_bounds,
4650 window,
4651 cx,
4652 move |height, _max_width_for_stable_x, _, window, cx| {
4653 let mut element = self
4654 .render_context_menu(line_height, height, window, cx)
4655 .expect("Visible context menu should always render.");
4656 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4657 vec![(CursorPopoverType::CodeContextMenu, element, size)]
4658 },
4659 );
4660 }
4661
4662 fn layout_popovers_above_or_below_line(
4663 &self,
4664 target_position: gpui::Point<Pixels>,
4665 line_height: Pixels,
4666 min_height: Pixels,
4667 max_height: Pixels,
4668 placement: Option<ContextMenuPlacement>,
4669 text_hitbox: &Hitbox,
4670 viewport_bounds: Bounds<Pixels>,
4671 window: &mut Window,
4672 cx: &mut App,
4673 make_sized_popovers: impl FnOnce(
4674 Pixels,
4675 Pixels,
4676 bool,
4677 &mut Window,
4678 &mut App,
4679 ) -> Vec<(CursorPopoverType, AnyElement, Size<Pixels>)>,
4680 ) -> Option<(Vec<(CursorPopoverType, Bounds<Pixels>)>, bool)> {
4681 let text_style = TextStyleRefinement {
4682 line_height: Some(DefiniteLength::Fraction(
4683 BufferLineHeight::Comfortable.value(),
4684 )),
4685 ..Default::default()
4686 };
4687 window.with_text_style(Some(text_style), |window| {
4688 // If the max height won't fit below and there is more space above, put it above the line.
4689 let bottom_y_when_flipped = target_position.y - line_height;
4690 let available_above = bottom_y_when_flipped - text_hitbox.top();
4691 let available_below = text_hitbox.bottom() - target_position.y;
4692 let y_overflows_below = max_height > available_below;
4693 let mut y_flipped = match placement {
4694 Some(ContextMenuPlacement::Above) => true,
4695 Some(ContextMenuPlacement::Below) => false,
4696 None => y_overflows_below && available_above > available_below,
4697 };
4698 let mut height = cmp::min(
4699 max_height,
4700 if y_flipped {
4701 available_above
4702 } else {
4703 available_below
4704 },
4705 );
4706
4707 // If the min height doesn't fit within text bounds, instead fit within the window.
4708 if height < min_height {
4709 let available_above = bottom_y_when_flipped;
4710 let available_below = viewport_bounds.bottom() - target_position.y;
4711 let (y_flipped_override, height_override) = match placement {
4712 Some(ContextMenuPlacement::Above) => {
4713 (true, cmp::min(available_above, min_height))
4714 }
4715 Some(ContextMenuPlacement::Below) => {
4716 (false, cmp::min(available_below, min_height))
4717 }
4718 None => {
4719 if available_below > min_height {
4720 (false, min_height)
4721 } else if available_above > min_height {
4722 (true, min_height)
4723 } else if available_above > available_below {
4724 (true, available_above)
4725 } else {
4726 (false, available_below)
4727 }
4728 }
4729 };
4730 y_flipped = y_flipped_override;
4731 height = height_override;
4732 }
4733
4734 let max_width_for_stable_x = viewport_bounds.right() - target_position.x;
4735
4736 // TODO: Use viewport_bounds.width as a max width so that it doesn't get clipped on the left
4737 // for very narrow windows.
4738 let popovers =
4739 make_sized_popovers(height, max_width_for_stable_x, y_flipped, window, cx);
4740 if popovers.is_empty() {
4741 return None;
4742 }
4743
4744 let max_width = popovers
4745 .iter()
4746 .map(|(_, _, size)| size.width)
4747 .max()
4748 .unwrap_or_default();
4749
4750 let mut current_position = gpui::Point {
4751 // Snap the right edge of the list to the right edge of the window if its horizontal bounds
4752 // overflow. Include space for the scrollbar.
4753 x: target_position
4754 .x
4755 .min((viewport_bounds.right() - max_width).max(Pixels::ZERO)),
4756 y: if y_flipped {
4757 bottom_y_when_flipped
4758 } else {
4759 target_position.y
4760 },
4761 };
4762
4763 let mut laid_out_popovers = popovers
4764 .into_iter()
4765 .map(|(popover_type, element, size)| {
4766 if y_flipped {
4767 current_position.y -= size.height;
4768 }
4769 let position = current_position;
4770 window.defer_draw(element, current_position, 1);
4771 if !y_flipped {
4772 current_position.y += size.height + MENU_GAP;
4773 } else {
4774 current_position.y -= MENU_GAP;
4775 }
4776 (popover_type, Bounds::new(position, size))
4777 })
4778 .collect::<Vec<_>>();
4779
4780 if y_flipped {
4781 laid_out_popovers.reverse();
4782 }
4783
4784 Some((laid_out_popovers, y_flipped))
4785 })
4786 }
4787
4788 fn layout_context_menu_aside(
4789 &self,
4790 y_flipped: bool,
4791 menu_bounds: Bounds<Pixels>,
4792 target_bounds: Bounds<Pixels>,
4793 max_target_bounds: Bounds<Pixels>,
4794 max_height: Pixels,
4795 must_place_above_or_below: bool,
4796 text_hitbox: &Hitbox,
4797 viewport_bounds: Bounds<Pixels>,
4798 window: &mut Window,
4799 cx: &mut App,
4800 ) -> Option<Bounds<Pixels>> {
4801 let available_within_viewport = target_bounds.space_within(&viewport_bounds);
4802 let positioned_aside = if available_within_viewport.right >= MENU_ASIDE_MIN_WIDTH
4803 && !must_place_above_or_below
4804 {
4805 let max_width = cmp::min(
4806 available_within_viewport.right - px(1.),
4807 MENU_ASIDE_MAX_WIDTH,
4808 );
4809 let mut aside = self.render_context_menu_aside(
4810 size(max_width, max_height - POPOVER_Y_PADDING),
4811 window,
4812 cx,
4813 )?;
4814 let size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4815 let right_position = point(target_bounds.right(), menu_bounds.origin.y);
4816 Some((aside, right_position, size))
4817 } else {
4818 let max_size = size(
4819 // TODO(mgsloan): Once the menu is bounded by viewport width the bound on viewport
4820 // won't be needed here.
4821 cmp::min(
4822 cmp::max(menu_bounds.size.width - px(2.), MENU_ASIDE_MIN_WIDTH),
4823 viewport_bounds.right(),
4824 ),
4825 cmp::min(
4826 max_height,
4827 cmp::max(
4828 available_within_viewport.top,
4829 available_within_viewport.bottom,
4830 ),
4831 ) - POPOVER_Y_PADDING,
4832 );
4833 let mut aside = self.render_context_menu_aside(max_size, window, cx)?;
4834 let actual_size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4835
4836 let top_position = point(
4837 menu_bounds.origin.x,
4838 target_bounds.top() - actual_size.height,
4839 );
4840 let bottom_position = point(menu_bounds.origin.x, target_bounds.bottom());
4841
4842 let fit_within = |available: Edges<Pixels>, wanted: Size<Pixels>| {
4843 // Prefer to fit on the same side of the line as the menu, then on the other side of
4844 // the line.
4845 if !y_flipped && wanted.height < available.bottom {
4846 Some(bottom_position)
4847 } else if !y_flipped && wanted.height < available.top {
4848 Some(top_position)
4849 } else if y_flipped && wanted.height < available.top {
4850 Some(top_position)
4851 } else if y_flipped && wanted.height < available.bottom {
4852 Some(bottom_position)
4853 } else {
4854 None
4855 }
4856 };
4857
4858 // Prefer choosing a direction using max sizes rather than actual size for stability.
4859 let available_within_text = max_target_bounds.space_within(&text_hitbox.bounds);
4860 let wanted = size(MENU_ASIDE_MAX_WIDTH, max_height);
4861 let aside_position = fit_within(available_within_text, wanted)
4862 // Fallback: fit max size in window.
4863 .or_else(|| fit_within(max_target_bounds.space_within(&viewport_bounds), wanted))
4864 // Fallback: fit actual size in window.
4865 .or_else(|| fit_within(available_within_viewport, actual_size));
4866
4867 aside_position.map(|position| (aside, position, actual_size))
4868 };
4869
4870 // Skip drawing if it doesn't fit anywhere.
4871 if let Some((aside, position, size)) = positioned_aside {
4872 let aside_bounds = Bounds::new(position, size);
4873 window.defer_draw(aside, position, 2);
4874 return Some(aside_bounds);
4875 }
4876
4877 None
4878 }
4879
4880 fn render_context_menu(
4881 &self,
4882 line_height: Pixels,
4883 height: Pixels,
4884 window: &mut Window,
4885 cx: &mut App,
4886 ) -> Option<AnyElement> {
4887 let max_height_in_lines = ((height - POPOVER_Y_PADDING) / line_height).floor() as u32;
4888 self.editor.update(cx, |editor, cx| {
4889 editor.render_context_menu(&self.style, max_height_in_lines, window, cx)
4890 })
4891 }
4892
4893 fn render_context_menu_aside(
4894 &self,
4895 max_size: Size<Pixels>,
4896 window: &mut Window,
4897 cx: &mut App,
4898 ) -> Option<AnyElement> {
4899 if max_size.width < px(100.) || max_size.height < px(12.) {
4900 None
4901 } else {
4902 self.editor.update(cx, |editor, cx| {
4903 editor.render_context_menu_aside(max_size, window, cx)
4904 })
4905 }
4906 }
4907
4908 fn layout_mouse_context_menu(
4909 &self,
4910 editor_snapshot: &EditorSnapshot,
4911 visible_range: Range<DisplayRow>,
4912 content_origin: gpui::Point<Pixels>,
4913 window: &mut Window,
4914 cx: &mut App,
4915 ) -> Option<AnyElement> {
4916 let position = self.editor.update(cx, |editor, _cx| {
4917 let visible_start_point = editor.display_to_pixel_point(
4918 DisplayPoint::new(visible_range.start, 0),
4919 editor_snapshot,
4920 window,
4921 )?;
4922 let visible_end_point = editor.display_to_pixel_point(
4923 DisplayPoint::new(visible_range.end, 0),
4924 editor_snapshot,
4925 window,
4926 )?;
4927
4928 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
4929 let (source_display_point, position) = match mouse_context_menu.position {
4930 MenuPosition::PinnedToScreen(point) => (None, point),
4931 MenuPosition::PinnedToEditor { source, offset } => {
4932 let source_display_point = source.to_display_point(editor_snapshot);
4933 let source_point = editor.to_pixel_point(source, editor_snapshot, window)?;
4934 let position = content_origin + source_point + offset;
4935 (Some(source_display_point), position)
4936 }
4937 };
4938
4939 let source_included = source_display_point.is_none_or(|source_display_point| {
4940 visible_range
4941 .to_inclusive()
4942 .contains(&source_display_point.row())
4943 });
4944 let position_included =
4945 visible_start_point.y <= position.y && position.y <= visible_end_point.y;
4946 if !source_included && !position_included {
4947 None
4948 } else {
4949 Some(position)
4950 }
4951 })?;
4952
4953 let text_style = TextStyleRefinement {
4954 line_height: Some(DefiniteLength::Fraction(
4955 BufferLineHeight::Comfortable.value(),
4956 )),
4957 ..Default::default()
4958 };
4959 window.with_text_style(Some(text_style), |window| {
4960 let mut element = self.editor.read_with(cx, |editor, _| {
4961 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
4962 let context_menu = mouse_context_menu.context_menu.clone();
4963
4964 Some(
4965 deferred(
4966 anchored()
4967 .position(position)
4968 .child(context_menu)
4969 .anchor(Corner::TopLeft)
4970 .snap_to_window_with_margin(px(8.)),
4971 )
4972 .with_priority(1)
4973 .into_any(),
4974 )
4975 })?;
4976
4977 element.prepaint_as_root(position, AvailableSpace::min_size(), window, cx);
4978 Some(element)
4979 })
4980 }
4981
4982 fn layout_hover_popovers(
4983 &self,
4984 snapshot: &EditorSnapshot,
4985 hitbox: &Hitbox,
4986 visible_display_row_range: Range<DisplayRow>,
4987 content_origin: gpui::Point<Pixels>,
4988 scroll_pixel_position: gpui::Point<Pixels>,
4989 line_layouts: &[LineWithInvisibles],
4990 line_height: Pixels,
4991 em_width: Pixels,
4992 context_menu_layout: Option<ContextMenuLayout>,
4993 window: &mut Window,
4994 cx: &mut App,
4995 ) {
4996 struct MeasuredHoverPopover {
4997 element: AnyElement,
4998 size: Size<Pixels>,
4999 horizontal_offset: Pixels,
5000 }
5001
5002 let max_size = size(
5003 (120. * em_width) // Default size
5004 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5005 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5006 (16. * line_height) // Default size
5007 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5008 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5009 );
5010
5011 let hover_popovers = self.editor.update(cx, |editor, cx| {
5012 editor.hover_state.render(
5013 snapshot,
5014 visible_display_row_range.clone(),
5015 max_size,
5016 window,
5017 cx,
5018 )
5019 });
5020 let Some((position, hover_popovers)) = hover_popovers else {
5021 return;
5022 };
5023
5024 // This is safe because we check on layout whether the required row is available
5025 let hovered_row_layout =
5026 &line_layouts[position.row().minus(visible_display_row_range.start) as usize];
5027
5028 // Compute Hovered Point
5029 let x =
5030 hovered_row_layout.x_for_index(position.column() as usize) - scroll_pixel_position.x;
5031 let y = position.row().as_f32() * line_height - scroll_pixel_position.y;
5032 let hovered_point = content_origin + point(x, y);
5033
5034 let mut overall_height = Pixels::ZERO;
5035 let mut measured_hover_popovers = Vec::new();
5036 for (position, mut hover_popover) in hover_popovers.into_iter().with_position() {
5037 let size = hover_popover.layout_as_root(AvailableSpace::min_size(), window, cx);
5038 let horizontal_offset =
5039 (hitbox.top_right().x - POPOVER_RIGHT_OFFSET - (hovered_point.x + size.width))
5040 .min(Pixels::ZERO);
5041 match position {
5042 itertools::Position::Middle | itertools::Position::Last => {
5043 overall_height += HOVER_POPOVER_GAP
5044 }
5045 _ => {}
5046 }
5047 overall_height += size.height;
5048 measured_hover_popovers.push(MeasuredHoverPopover {
5049 element: hover_popover,
5050 size,
5051 horizontal_offset,
5052 });
5053 }
5054
5055 fn draw_occluder(
5056 width: Pixels,
5057 origin: gpui::Point<Pixels>,
5058 window: &mut Window,
5059 cx: &mut App,
5060 ) {
5061 let mut occlusion = div()
5062 .size_full()
5063 .occlude()
5064 .on_mouse_move(|_, _, cx| cx.stop_propagation())
5065 .into_any_element();
5066 occlusion.layout_as_root(size(width, HOVER_POPOVER_GAP).into(), window, cx);
5067 window.defer_draw(occlusion, origin, 2);
5068 }
5069
5070 fn place_popovers_above(
5071 hovered_point: gpui::Point<Pixels>,
5072 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5073 window: &mut Window,
5074 cx: &mut App,
5075 ) {
5076 let mut current_y = hovered_point.y;
5077 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5078 let size = popover.size;
5079 let popover_origin = point(
5080 hovered_point.x + popover.horizontal_offset,
5081 current_y - size.height,
5082 );
5083
5084 window.defer_draw(popover.element, popover_origin, 2);
5085 if position != itertools::Position::Last {
5086 let origin = point(popover_origin.x, popover_origin.y - HOVER_POPOVER_GAP);
5087 draw_occluder(size.width, origin, window, cx);
5088 }
5089
5090 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5091 }
5092 }
5093
5094 fn place_popovers_below(
5095 hovered_point: gpui::Point<Pixels>,
5096 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5097 line_height: Pixels,
5098 window: &mut Window,
5099 cx: &mut App,
5100 ) {
5101 let mut current_y = hovered_point.y + line_height;
5102 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5103 let size = popover.size;
5104 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5105
5106 window.defer_draw(popover.element, popover_origin, 2);
5107 if position != itertools::Position::Last {
5108 let origin = point(popover_origin.x, popover_origin.y + size.height);
5109 draw_occluder(size.width, origin, window, cx);
5110 }
5111
5112 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5113 }
5114 }
5115
5116 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5117 context_menu_layout
5118 .as_ref()
5119 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5120 };
5121
5122 let can_place_above = {
5123 let mut bounds_above = Vec::new();
5124 let mut current_y = hovered_point.y;
5125 for popover in &measured_hover_popovers {
5126 let size = popover.size;
5127 let popover_origin = point(
5128 hovered_point.x + popover.horizontal_offset,
5129 current_y - size.height,
5130 );
5131 bounds_above.push(Bounds::new(popover_origin, size));
5132 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5133 }
5134 bounds_above
5135 .iter()
5136 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5137 };
5138
5139 let can_place_below = || {
5140 let mut bounds_below = Vec::new();
5141 let mut current_y = hovered_point.y + line_height;
5142 for popover in &measured_hover_popovers {
5143 let size = popover.size;
5144 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5145 bounds_below.push(Bounds::new(popover_origin, size));
5146 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5147 }
5148 bounds_below
5149 .iter()
5150 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5151 };
5152
5153 if can_place_above {
5154 // try placing above hovered point
5155 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5156 } else if can_place_below() {
5157 // try placing below hovered point
5158 place_popovers_below(
5159 hovered_point,
5160 measured_hover_popovers,
5161 line_height,
5162 window,
5163 cx,
5164 );
5165 } else {
5166 // try to place popovers around the context menu
5167 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5168 let total_width = measured_hover_popovers
5169 .iter()
5170 .map(|p| p.size.width)
5171 .max()
5172 .unwrap_or(Pixels::ZERO);
5173 let y_for_horizontal_positioning = if menu.y_flipped {
5174 menu.bounds.bottom() - overall_height
5175 } else {
5176 menu.bounds.top()
5177 };
5178 let possible_origins = vec![
5179 // left of context menu
5180 point(
5181 menu.bounds.left() - total_width - HOVER_POPOVER_GAP,
5182 y_for_horizontal_positioning,
5183 ),
5184 // right of context menu
5185 point(
5186 menu.bounds.right() + HOVER_POPOVER_GAP,
5187 y_for_horizontal_positioning,
5188 ),
5189 // top of context menu
5190 point(
5191 menu.bounds.left(),
5192 menu.bounds.top() - overall_height - HOVER_POPOVER_GAP,
5193 ),
5194 // bottom of context menu
5195 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5196 ];
5197 possible_origins.into_iter().find(|&origin| {
5198 Bounds::new(origin, size(total_width, overall_height))
5199 .is_contained_within(hitbox)
5200 })
5201 });
5202 if let Some(origin) = origin_surrounding_menu {
5203 let mut current_y = origin.y;
5204 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5205 let size = popover.size;
5206 let popover_origin = point(origin.x, current_y);
5207
5208 window.defer_draw(popover.element, popover_origin, 2);
5209 if position != itertools::Position::Last {
5210 let origin = point(popover_origin.x, popover_origin.y + size.height);
5211 draw_occluder(size.width, origin, window, cx);
5212 }
5213
5214 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5215 }
5216 } else {
5217 // fallback to existing above/below cursor logic
5218 // this might overlap menu or overflow in rare case
5219 if can_place_above {
5220 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5221 } else {
5222 place_popovers_below(
5223 hovered_point,
5224 measured_hover_popovers,
5225 line_height,
5226 window,
5227 cx,
5228 );
5229 }
5230 }
5231 }
5232 }
5233
5234 fn layout_diff_hunk_controls(
5235 &self,
5236 row_range: Range<DisplayRow>,
5237 row_infos: &[RowInfo],
5238 text_hitbox: &Hitbox,
5239 newest_cursor_position: Option<DisplayPoint>,
5240 line_height: Pixels,
5241 right_margin: Pixels,
5242 scroll_pixel_position: gpui::Point<Pixels>,
5243 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
5244 highlighted_rows: &BTreeMap<DisplayRow, LineHighlight>,
5245 editor: Entity<Editor>,
5246 window: &mut Window,
5247 cx: &mut App,
5248 ) -> (Vec<AnyElement>, Vec<(DisplayRow, Bounds<Pixels>)>) {
5249 let render_diff_hunk_controls = editor.read(cx).render_diff_hunk_controls.clone();
5250 let hovered_diff_hunk_row = editor.read(cx).hovered_diff_hunk_row;
5251
5252 let mut controls = vec![];
5253 let mut control_bounds = vec![];
5254
5255 let active_positions = [
5256 hovered_diff_hunk_row.map(|row| DisplayPoint::new(row, 0)),
5257 newest_cursor_position,
5258 ];
5259
5260 for (hunk, _) in display_hunks {
5261 if let DisplayDiffHunk::Unfolded {
5262 display_row_range,
5263 multi_buffer_range,
5264 status,
5265 is_created_file,
5266 ..
5267 } = &hunk
5268 {
5269 if display_row_range.start < row_range.start
5270 || display_row_range.start >= row_range.end
5271 {
5272 continue;
5273 }
5274 if highlighted_rows
5275 .get(&display_row_range.start)
5276 .and_then(|highlight| highlight.type_id)
5277 .is_some_and(|type_id| {
5278 [
5279 TypeId::of::<ConflictsOuter>(),
5280 TypeId::of::<ConflictsOursMarker>(),
5281 TypeId::of::<ConflictsOurs>(),
5282 TypeId::of::<ConflictsTheirs>(),
5283 TypeId::of::<ConflictsTheirsMarker>(),
5284 ]
5285 .contains(&type_id)
5286 })
5287 {
5288 continue;
5289 }
5290 let row_ix = (display_row_range.start - row_range.start).0 as usize;
5291 if row_infos[row_ix].diff_status.is_none() {
5292 continue;
5293 }
5294 if row_infos[row_ix]
5295 .diff_status
5296 .is_some_and(|status| status.is_added())
5297 && !status.is_added()
5298 {
5299 continue;
5300 }
5301
5302 if active_positions
5303 .iter()
5304 .any(|p| p.is_some_and(|p| display_row_range.contains(&p.row())))
5305 {
5306 let y = display_row_range.start.as_f32() * line_height
5307 + text_hitbox.bounds.top()
5308 - scroll_pixel_position.y;
5309
5310 let mut element = render_diff_hunk_controls(
5311 display_row_range.start.0,
5312 status,
5313 multi_buffer_range.clone(),
5314 *is_created_file,
5315 line_height,
5316 &editor,
5317 window,
5318 cx,
5319 );
5320 let size =
5321 element.layout_as_root(size(px(100.0), line_height).into(), window, cx);
5322
5323 let x = text_hitbox.bounds.right() - right_margin - px(10.) - size.width;
5324
5325 let bounds = Bounds::new(gpui::Point::new(x, y), size);
5326 control_bounds.push((display_row_range.start, bounds));
5327
5328 window.with_absolute_element_offset(gpui::Point::new(x, y), |window| {
5329 element.prepaint(window, cx)
5330 });
5331 controls.push(element);
5332 }
5333 }
5334 }
5335
5336 (controls, control_bounds)
5337 }
5338
5339 fn layout_signature_help(
5340 &self,
5341 hitbox: &Hitbox,
5342 content_origin: gpui::Point<Pixels>,
5343 scroll_pixel_position: gpui::Point<Pixels>,
5344 newest_selection_head: Option<DisplayPoint>,
5345 start_row: DisplayRow,
5346 line_layouts: &[LineWithInvisibles],
5347 line_height: Pixels,
5348 em_width: Pixels,
5349 context_menu_layout: Option<ContextMenuLayout>,
5350 window: &mut Window,
5351 cx: &mut App,
5352 ) {
5353 if !self.editor.focus_handle(cx).is_focused(window) {
5354 return;
5355 }
5356 let Some(newest_selection_head) = newest_selection_head else {
5357 return;
5358 };
5359
5360 let max_size = size(
5361 (120. * em_width) // Default size
5362 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5363 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5364 (16. * line_height) // Default size
5365 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5366 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5367 );
5368
5369 let maybe_element = self.editor.update(cx, |editor, cx| {
5370 if let Some(popover) = editor.signature_help_state.popover_mut() {
5371 let element = popover.render(max_size, window, cx);
5372 Some(element)
5373 } else {
5374 None
5375 }
5376 });
5377 let Some(mut element) = maybe_element else {
5378 return;
5379 };
5380
5381 let selection_row = newest_selection_head.row();
5382 let Some(cursor_row_layout) = (selection_row >= start_row)
5383 .then(|| line_layouts.get(selection_row.minus(start_row) as usize))
5384 .flatten()
5385 else {
5386 return;
5387 };
5388
5389 let target_x = cursor_row_layout.x_for_index(newest_selection_head.column() as usize)
5390 - scroll_pixel_position.x;
5391 let target_y = selection_row.as_f32() * line_height - scroll_pixel_position.y;
5392 let target_point = content_origin + point(target_x, target_y);
5393
5394 let actual_size = element.layout_as_root(Size::<AvailableSpace>::default(), window, cx);
5395
5396 let (popover_bounds_above, popover_bounds_below) = {
5397 let horizontal_offset = (hitbox.top_right().x
5398 - POPOVER_RIGHT_OFFSET
5399 - (target_point.x + actual_size.width))
5400 .min(Pixels::ZERO);
5401 let initial_x = target_point.x + horizontal_offset;
5402 (
5403 Bounds::new(
5404 point(initial_x, target_point.y - actual_size.height),
5405 actual_size,
5406 ),
5407 Bounds::new(
5408 point(initial_x, target_point.y + line_height + HOVER_POPOVER_GAP),
5409 actual_size,
5410 ),
5411 )
5412 };
5413
5414 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5415 context_menu_layout
5416 .as_ref()
5417 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5418 };
5419
5420 let final_origin = if popover_bounds_above.is_contained_within(hitbox)
5421 && !intersects_menu(popover_bounds_above)
5422 {
5423 // try placing above cursor
5424 popover_bounds_above.origin
5425 } else if popover_bounds_below.is_contained_within(hitbox)
5426 && !intersects_menu(popover_bounds_below)
5427 {
5428 // try placing below cursor
5429 popover_bounds_below.origin
5430 } else {
5431 // try surrounding context menu if exists
5432 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5433 let y_for_horizontal_positioning = if menu.y_flipped {
5434 menu.bounds.bottom() - actual_size.height
5435 } else {
5436 menu.bounds.top()
5437 };
5438 let possible_origins = vec![
5439 // left of context menu
5440 point(
5441 menu.bounds.left() - actual_size.width - HOVER_POPOVER_GAP,
5442 y_for_horizontal_positioning,
5443 ),
5444 // right of context menu
5445 point(
5446 menu.bounds.right() + HOVER_POPOVER_GAP,
5447 y_for_horizontal_positioning,
5448 ),
5449 // top of context menu
5450 point(
5451 menu.bounds.left(),
5452 menu.bounds.top() - actual_size.height - HOVER_POPOVER_GAP,
5453 ),
5454 // bottom of context menu
5455 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5456 ];
5457 possible_origins
5458 .into_iter()
5459 .find(|&origin| Bounds::new(origin, actual_size).is_contained_within(hitbox))
5460 });
5461 origin_surrounding_menu.unwrap_or_else(|| {
5462 // fallback to existing above/below cursor logic
5463 // this might overlap menu or overflow in rare case
5464 if popover_bounds_above.is_contained_within(hitbox) {
5465 popover_bounds_above.origin
5466 } else {
5467 popover_bounds_below.origin
5468 }
5469 })
5470 };
5471
5472 window.defer_draw(element, final_origin, 2);
5473 }
5474
5475 fn paint_background(&self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
5476 window.paint_layer(layout.hitbox.bounds, |window| {
5477 let scroll_top = layout.position_map.snapshot.scroll_position().y;
5478 let gutter_bg = cx.theme().colors().editor_gutter_background;
5479 window.paint_quad(fill(layout.gutter_hitbox.bounds, gutter_bg));
5480 window.paint_quad(fill(
5481 layout.position_map.text_hitbox.bounds,
5482 self.style.background,
5483 ));
5484
5485 if matches!(
5486 layout.mode,
5487 EditorMode::Full { .. } | EditorMode::Minimap { .. }
5488 ) {
5489 let show_active_line_background = match layout.mode {
5490 EditorMode::Full {
5491 show_active_line_background,
5492 ..
5493 } => show_active_line_background,
5494 EditorMode::Minimap { .. } => true,
5495 _ => false,
5496 };
5497 let mut active_rows = layout.active_rows.iter().peekable();
5498 while let Some((start_row, contains_non_empty_selection)) = active_rows.next() {
5499 let mut end_row = start_row.0;
5500 while active_rows
5501 .peek()
5502 .is_some_and(|(active_row, has_selection)| {
5503 active_row.0 == end_row + 1
5504 && has_selection.selection == contains_non_empty_selection.selection
5505 })
5506 {
5507 active_rows.next().unwrap();
5508 end_row += 1;
5509 }
5510
5511 if show_active_line_background && !contains_non_empty_selection.selection {
5512 let highlight_h_range =
5513 match layout.position_map.snapshot.current_line_highlight {
5514 CurrentLineHighlight::Gutter => Some(Range {
5515 start: layout.hitbox.left(),
5516 end: layout.gutter_hitbox.right(),
5517 }),
5518 CurrentLineHighlight::Line => Some(Range {
5519 start: layout.position_map.text_hitbox.bounds.left(),
5520 end: layout.position_map.text_hitbox.bounds.right(),
5521 }),
5522 CurrentLineHighlight::All => Some(Range {
5523 start: layout.hitbox.left(),
5524 end: layout.hitbox.right(),
5525 }),
5526 CurrentLineHighlight::None => None,
5527 };
5528 if let Some(range) = highlight_h_range {
5529 let active_line_bg = cx.theme().colors().editor_active_line_background;
5530 let bounds = Bounds {
5531 origin: point(
5532 range.start,
5533 layout.hitbox.origin.y
5534 + (start_row.as_f32() - scroll_top)
5535 * layout.position_map.line_height,
5536 ),
5537 size: size(
5538 range.end - range.start,
5539 layout.position_map.line_height
5540 * (end_row - start_row.0 + 1) as f32,
5541 ),
5542 };
5543 window.paint_quad(fill(bounds, active_line_bg));
5544 }
5545 }
5546 }
5547
5548 let mut paint_highlight = |highlight_row_start: DisplayRow,
5549 highlight_row_end: DisplayRow,
5550 highlight: crate::LineHighlight,
5551 edges| {
5552 let mut origin_x = layout.hitbox.left();
5553 let mut width = layout.hitbox.size.width;
5554 if !highlight.include_gutter {
5555 origin_x += layout.gutter_hitbox.size.width;
5556 width -= layout.gutter_hitbox.size.width;
5557 }
5558
5559 let origin = point(
5560 origin_x,
5561 layout.hitbox.origin.y
5562 + (highlight_row_start.as_f32() - scroll_top)
5563 * layout.position_map.line_height,
5564 );
5565 let size = size(
5566 width,
5567 layout.position_map.line_height
5568 * highlight_row_end.next_row().minus(highlight_row_start) as f32,
5569 );
5570 let mut quad = fill(Bounds { origin, size }, highlight.background);
5571 if let Some(border_color) = highlight.border {
5572 quad.border_color = border_color;
5573 quad.border_widths = edges
5574 }
5575 window.paint_quad(quad);
5576 };
5577
5578 let mut current_paint: Option<(LineHighlight, Range<DisplayRow>, Edges<Pixels>)> =
5579 None;
5580 for (&new_row, &new_background) in &layout.highlighted_rows {
5581 match &mut current_paint {
5582 &mut Some((current_background, ref mut current_range, mut edges)) => {
5583 let new_range_started = current_background != new_background
5584 || current_range.end.next_row() != new_row;
5585 if new_range_started {
5586 if current_range.end.next_row() == new_row {
5587 edges.bottom = px(0.);
5588 };
5589 paint_highlight(
5590 current_range.start,
5591 current_range.end,
5592 current_background,
5593 edges,
5594 );
5595 let edges = Edges {
5596 top: if current_range.end.next_row() != new_row {
5597 px(1.)
5598 } else {
5599 px(0.)
5600 },
5601 bottom: px(1.),
5602 ..Default::default()
5603 };
5604 current_paint = Some((new_background, new_row..new_row, edges));
5605 continue;
5606 } else {
5607 current_range.end = current_range.end.next_row();
5608 }
5609 }
5610 None => {
5611 let edges = Edges {
5612 top: px(1.),
5613 bottom: px(1.),
5614 ..Default::default()
5615 };
5616 current_paint = Some((new_background, new_row..new_row, edges))
5617 }
5618 };
5619 }
5620 if let Some((color, range, edges)) = current_paint {
5621 paint_highlight(range.start, range.end, color, edges);
5622 }
5623
5624 for (guide_x, active) in layout.wrap_guides.iter() {
5625 let color = if *active {
5626 cx.theme().colors().editor_active_wrap_guide
5627 } else {
5628 cx.theme().colors().editor_wrap_guide
5629 };
5630 window.paint_quad(fill(
5631 Bounds {
5632 origin: point(*guide_x, layout.position_map.text_hitbox.origin.y),
5633 size: size(px(1.), layout.position_map.text_hitbox.size.height),
5634 },
5635 color,
5636 ));
5637 }
5638 }
5639 })
5640 }
5641
5642 fn paint_indent_guides(
5643 &mut self,
5644 layout: &mut EditorLayout,
5645 window: &mut Window,
5646 cx: &mut App,
5647 ) {
5648 let Some(indent_guides) = &layout.indent_guides else {
5649 return;
5650 };
5651
5652 let faded_color = |color: Hsla, alpha: f32| {
5653 let mut faded = color;
5654 faded.a = alpha;
5655 faded
5656 };
5657
5658 for indent_guide in indent_guides {
5659 let indent_accent_colors = cx.theme().accents().color_for_index(indent_guide.depth);
5660 let settings = indent_guide.settings;
5661
5662 // TODO fixed for now, expose them through themes later
5663 const INDENT_AWARE_ALPHA: f32 = 0.2;
5664 const INDENT_AWARE_ACTIVE_ALPHA: f32 = 0.4;
5665 const INDENT_AWARE_BACKGROUND_ALPHA: f32 = 0.1;
5666 const INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA: f32 = 0.2;
5667
5668 let line_color = match (settings.coloring, indent_guide.active) {
5669 (IndentGuideColoring::Disabled, _) => None,
5670 (IndentGuideColoring::Fixed, false) => {
5671 Some(cx.theme().colors().editor_indent_guide)
5672 }
5673 (IndentGuideColoring::Fixed, true) => {
5674 Some(cx.theme().colors().editor_indent_guide_active)
5675 }
5676 (IndentGuideColoring::IndentAware, false) => {
5677 Some(faded_color(indent_accent_colors, INDENT_AWARE_ALPHA))
5678 }
5679 (IndentGuideColoring::IndentAware, true) => {
5680 Some(faded_color(indent_accent_colors, INDENT_AWARE_ACTIVE_ALPHA))
5681 }
5682 };
5683
5684 let background_color = match (settings.background_coloring, indent_guide.active) {
5685 (IndentGuideBackgroundColoring::Disabled, _) => None,
5686 (IndentGuideBackgroundColoring::IndentAware, false) => Some(faded_color(
5687 indent_accent_colors,
5688 INDENT_AWARE_BACKGROUND_ALPHA,
5689 )),
5690 (IndentGuideBackgroundColoring::IndentAware, true) => Some(faded_color(
5691 indent_accent_colors,
5692 INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA,
5693 )),
5694 };
5695
5696 let requested_line_width = if indent_guide.active {
5697 settings.active_line_width
5698 } else {
5699 settings.line_width
5700 }
5701 .clamp(1, 10);
5702 let mut line_indicator_width = 0.;
5703 if let Some(color) = line_color {
5704 window.paint_quad(fill(
5705 Bounds {
5706 origin: indent_guide.origin,
5707 size: size(px(requested_line_width as f32), indent_guide.length),
5708 },
5709 color,
5710 ));
5711 line_indicator_width = requested_line_width as f32;
5712 }
5713
5714 if let Some(color) = background_color {
5715 let width = indent_guide.single_indent_width - px(line_indicator_width);
5716 window.paint_quad(fill(
5717 Bounds {
5718 origin: point(
5719 indent_guide.origin.x + px(line_indicator_width),
5720 indent_guide.origin.y,
5721 ),
5722 size: size(width, indent_guide.length),
5723 },
5724 color,
5725 ));
5726 }
5727 }
5728 }
5729
5730 fn paint_line_numbers(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5731 let is_singleton = self.editor.read(cx).is_singleton(cx);
5732
5733 let line_height = layout.position_map.line_height;
5734 window.set_cursor_style(CursorStyle::Arrow, &layout.gutter_hitbox);
5735
5736 for LineNumberLayout {
5737 shaped_line,
5738 hitbox,
5739 } in layout.line_numbers.values()
5740 {
5741 let Some(hitbox) = hitbox else {
5742 continue;
5743 };
5744
5745 let Some(()) = (if !is_singleton && hitbox.is_hovered(window) {
5746 let color = cx.theme().colors().editor_hover_line_number;
5747
5748 let line = self.shape_line_number(shaped_line.text.clone(), color, window);
5749 line.paint(hitbox.origin, line_height, window, cx).log_err()
5750 } else {
5751 shaped_line
5752 .paint(hitbox.origin, line_height, window, cx)
5753 .log_err()
5754 }) else {
5755 continue;
5756 };
5757
5758 // In singleton buffers, we select corresponding lines on the line number click, so use | -like cursor.
5759 // In multi buffers, we open file at the line number clicked, so use a pointing hand cursor.
5760 if is_singleton {
5761 window.set_cursor_style(CursorStyle::IBeam, hitbox);
5762 } else {
5763 window.set_cursor_style(CursorStyle::PointingHand, hitbox);
5764 }
5765 }
5766 }
5767
5768 fn paint_gutter_diff_hunks(layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5769 if layout.display_hunks.is_empty() {
5770 return;
5771 }
5772
5773 let line_height = layout.position_map.line_height;
5774 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5775 for (hunk, hitbox) in &layout.display_hunks {
5776 let hunk_to_paint = match hunk {
5777 DisplayDiffHunk::Folded { .. } => {
5778 let hunk_bounds = Self::diff_hunk_bounds(
5779 &layout.position_map.snapshot,
5780 line_height,
5781 layout.gutter_hitbox.bounds,
5782 hunk,
5783 );
5784 Some((
5785 hunk_bounds,
5786 cx.theme().colors().version_control_modified,
5787 Corners::all(px(0.)),
5788 DiffHunkStatus::modified_none(),
5789 ))
5790 }
5791 DisplayDiffHunk::Unfolded {
5792 status,
5793 display_row_range,
5794 ..
5795 } => hitbox.as_ref().map(|hunk_hitbox| match status.kind {
5796 DiffHunkStatusKind::Added => (
5797 hunk_hitbox.bounds,
5798 cx.theme().colors().version_control_added,
5799 Corners::all(px(0.)),
5800 *status,
5801 ),
5802 DiffHunkStatusKind::Modified => (
5803 hunk_hitbox.bounds,
5804 cx.theme().colors().version_control_modified,
5805 Corners::all(px(0.)),
5806 *status,
5807 ),
5808 DiffHunkStatusKind::Deleted if !display_row_range.is_empty() => (
5809 hunk_hitbox.bounds,
5810 cx.theme().colors().version_control_deleted,
5811 Corners::all(px(0.)),
5812 *status,
5813 ),
5814 DiffHunkStatusKind::Deleted => (
5815 Bounds::new(
5816 point(
5817 hunk_hitbox.origin.x - hunk_hitbox.size.width,
5818 hunk_hitbox.origin.y,
5819 ),
5820 size(hunk_hitbox.size.width * 2., hunk_hitbox.size.height),
5821 ),
5822 cx.theme().colors().version_control_deleted,
5823 Corners::all(1. * line_height),
5824 *status,
5825 ),
5826 }),
5827 };
5828
5829 if let Some((hunk_bounds, background_color, corner_radii, status)) = hunk_to_paint {
5830 // Flatten the background color with the editor color to prevent
5831 // elements below transparent hunks from showing through
5832 let flattened_background_color = cx
5833 .theme()
5834 .colors()
5835 .editor_background
5836 .blend(background_color);
5837
5838 if !Self::diff_hunk_hollow(status, cx) {
5839 window.paint_quad(quad(
5840 hunk_bounds,
5841 corner_radii,
5842 flattened_background_color,
5843 Edges::default(),
5844 transparent_black(),
5845 BorderStyle::default(),
5846 ));
5847 } else {
5848 let flattened_unstaged_background_color = cx
5849 .theme()
5850 .colors()
5851 .editor_background
5852 .blend(background_color.opacity(0.3));
5853
5854 window.paint_quad(quad(
5855 hunk_bounds,
5856 corner_radii,
5857 flattened_unstaged_background_color,
5858 Edges::all(Pixels(1.0)),
5859 flattened_background_color,
5860 BorderStyle::Solid,
5861 ));
5862 }
5863 }
5864 }
5865 });
5866 }
5867
5868 fn gutter_strip_width(line_height: Pixels) -> Pixels {
5869 (0.275 * line_height).floor()
5870 }
5871
5872 fn diff_hunk_bounds(
5873 snapshot: &EditorSnapshot,
5874 line_height: Pixels,
5875 gutter_bounds: Bounds<Pixels>,
5876 hunk: &DisplayDiffHunk,
5877 ) -> Bounds<Pixels> {
5878 let scroll_position = snapshot.scroll_position();
5879 let scroll_top = scroll_position.y * line_height;
5880 let gutter_strip_width = Self::gutter_strip_width(line_height);
5881
5882 match hunk {
5883 DisplayDiffHunk::Folded { display_row, .. } => {
5884 let start_y = display_row.as_f32() * line_height - scroll_top;
5885 let end_y = start_y + line_height;
5886 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
5887 let highlight_size = size(gutter_strip_width, end_y - start_y);
5888 Bounds::new(highlight_origin, highlight_size)
5889 }
5890 DisplayDiffHunk::Unfolded {
5891 display_row_range,
5892 status,
5893 ..
5894 } => {
5895 if status.is_deleted() && display_row_range.is_empty() {
5896 let row = display_row_range.start;
5897
5898 let offset = line_height / 2.;
5899 let start_y = row.as_f32() * line_height - offset - scroll_top;
5900 let end_y = start_y + line_height;
5901
5902 let width = (0.35 * line_height).floor();
5903 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
5904 let highlight_size = size(width, end_y - start_y);
5905 Bounds::new(highlight_origin, highlight_size)
5906 } else {
5907 let start_row = display_row_range.start;
5908 let end_row = display_row_range.end;
5909 // If we're in a multibuffer, row range span might include an
5910 // excerpt header, so if we were to draw the marker straight away,
5911 // the hunk might include the rows of that header.
5912 // Making the range inclusive doesn't quite cut it, as we rely on the exclusivity for the soft wrap.
5913 // Instead, we simply check whether the range we're dealing with includes
5914 // any excerpt headers and if so, we stop painting the diff hunk on the first row of that header.
5915 let end_row_in_current_excerpt = snapshot
5916 .blocks_in_range(start_row..end_row)
5917 .find_map(|(start_row, block)| {
5918 if matches!(
5919 block,
5920 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
5921 ) {
5922 Some(start_row)
5923 } else {
5924 None
5925 }
5926 })
5927 .unwrap_or(end_row);
5928
5929 let start_y = start_row.as_f32() * line_height - scroll_top;
5930 let end_y = end_row_in_current_excerpt.as_f32() * line_height - scroll_top;
5931
5932 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
5933 let highlight_size = size(gutter_strip_width, end_y - start_y);
5934 Bounds::new(highlight_origin, highlight_size)
5935 }
5936 }
5937 }
5938 }
5939
5940 fn paint_gutter_indicators(
5941 &self,
5942 layout: &mut EditorLayout,
5943 window: &mut Window,
5944 cx: &mut App,
5945 ) {
5946 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5947 window.with_element_namespace("crease_toggles", |window| {
5948 for crease_toggle in layout.crease_toggles.iter_mut().flatten() {
5949 crease_toggle.paint(window, cx);
5950 }
5951 });
5952
5953 window.with_element_namespace("expand_toggles", |window| {
5954 for (expand_toggle, _) in layout.expand_toggles.iter_mut().flatten() {
5955 expand_toggle.paint(window, cx);
5956 }
5957 });
5958
5959 for breakpoint in layout.breakpoints.iter_mut() {
5960 breakpoint.paint(window, cx);
5961 }
5962
5963 for test_indicator in layout.test_indicators.iter_mut() {
5964 test_indicator.paint(window, cx);
5965 }
5966 });
5967 }
5968
5969 fn paint_gutter_highlights(
5970 &self,
5971 layout: &mut EditorLayout,
5972 window: &mut Window,
5973 cx: &mut App,
5974 ) {
5975 for (_, hunk_hitbox) in &layout.display_hunks {
5976 if let Some(hunk_hitbox) = hunk_hitbox
5977 && !self
5978 .editor
5979 .read(cx)
5980 .buffer()
5981 .read(cx)
5982 .all_diff_hunks_expanded()
5983 {
5984 window.set_cursor_style(CursorStyle::PointingHand, hunk_hitbox);
5985 }
5986 }
5987
5988 let show_git_gutter = layout
5989 .position_map
5990 .snapshot
5991 .show_git_diff_gutter
5992 .unwrap_or_else(|| {
5993 matches!(
5994 ProjectSettings::get_global(cx).git.git_gutter,
5995 Some(GitGutterSetting::TrackedFiles)
5996 )
5997 });
5998 if show_git_gutter {
5999 Self::paint_gutter_diff_hunks(layout, window, cx)
6000 }
6001
6002 let highlight_width = 0.275 * layout.position_map.line_height;
6003 let highlight_corner_radii = Corners::all(0.05 * layout.position_map.line_height);
6004 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6005 for (range, color) in &layout.highlighted_gutter_ranges {
6006 let start_row = if range.start.row() < layout.visible_display_row_range.start {
6007 layout.visible_display_row_range.start - DisplayRow(1)
6008 } else {
6009 range.start.row()
6010 };
6011 let end_row = if range.end.row() > layout.visible_display_row_range.end {
6012 layout.visible_display_row_range.end + DisplayRow(1)
6013 } else {
6014 range.end.row()
6015 };
6016
6017 let start_y = layout.gutter_hitbox.top()
6018 + start_row.0 as f32 * layout.position_map.line_height
6019 - layout.position_map.scroll_pixel_position.y;
6020 let end_y = layout.gutter_hitbox.top()
6021 + (end_row.0 + 1) as f32 * layout.position_map.line_height
6022 - layout.position_map.scroll_pixel_position.y;
6023 let bounds = Bounds::from_corners(
6024 point(layout.gutter_hitbox.left(), start_y),
6025 point(layout.gutter_hitbox.left() + highlight_width, end_y),
6026 );
6027 window.paint_quad(fill(bounds, *color).corner_radii(highlight_corner_radii));
6028 }
6029 });
6030 }
6031
6032 fn paint_blamed_display_rows(
6033 &self,
6034 layout: &mut EditorLayout,
6035 window: &mut Window,
6036 cx: &mut App,
6037 ) {
6038 let Some(blamed_display_rows) = layout.blamed_display_rows.take() else {
6039 return;
6040 };
6041
6042 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6043 for mut blame_element in blamed_display_rows.into_iter() {
6044 blame_element.paint(window, cx);
6045 }
6046 })
6047 }
6048
6049 fn paint_text(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6050 window.with_content_mask(
6051 Some(ContentMask {
6052 bounds: layout.position_map.text_hitbox.bounds,
6053 }),
6054 |window| {
6055 let editor = self.editor.read(cx);
6056 if editor.mouse_cursor_hidden {
6057 window.set_window_cursor_style(CursorStyle::None);
6058 } else if let SelectionDragState::ReadyToDrag {
6059 mouse_down_time, ..
6060 } = &editor.selection_drag_state
6061 {
6062 let drag_and_drop_delay = Duration::from_millis(
6063 EditorSettings::get_global(cx).drag_and_drop_selection.delay,
6064 );
6065 if mouse_down_time.elapsed() >= drag_and_drop_delay {
6066 window.set_cursor_style(
6067 CursorStyle::DragCopy,
6068 &layout.position_map.text_hitbox,
6069 );
6070 }
6071 } else if matches!(
6072 editor.selection_drag_state,
6073 SelectionDragState::Dragging { .. }
6074 ) {
6075 window
6076 .set_cursor_style(CursorStyle::DragCopy, &layout.position_map.text_hitbox);
6077 } else if editor
6078 .hovered_link_state
6079 .as_ref()
6080 .is_some_and(|hovered_link_state| !hovered_link_state.links.is_empty())
6081 {
6082 window.set_cursor_style(
6083 CursorStyle::PointingHand,
6084 &layout.position_map.text_hitbox,
6085 );
6086 } else {
6087 window.set_cursor_style(CursorStyle::IBeam, &layout.position_map.text_hitbox);
6088 };
6089
6090 self.paint_lines_background(layout, window, cx);
6091 let invisible_display_ranges = self.paint_highlights(layout, window, cx);
6092 self.paint_document_colors(layout, window);
6093 self.paint_lines(&invisible_display_ranges, layout, window, cx);
6094 self.paint_redactions(layout, window);
6095 self.paint_cursors(layout, window, cx);
6096 self.paint_inline_diagnostics(layout, window, cx);
6097 self.paint_inline_blame(layout, window, cx);
6098 self.paint_inline_code_actions(layout, window, cx);
6099 self.paint_diff_hunk_controls(layout, window, cx);
6100 window.with_element_namespace("crease_trailers", |window| {
6101 for trailer in layout.crease_trailers.iter_mut().flatten() {
6102 trailer.element.paint(window, cx);
6103 }
6104 });
6105 },
6106 )
6107 }
6108
6109 fn paint_highlights(
6110 &mut self,
6111 layout: &mut EditorLayout,
6112 window: &mut Window,
6113 cx: &mut App,
6114 ) -> SmallVec<[Range<DisplayPoint>; 32]> {
6115 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6116 let mut invisible_display_ranges = SmallVec::<[Range<DisplayPoint>; 32]>::new();
6117 let line_end_overshoot = 0.15 * layout.position_map.line_height;
6118 for (range, color) in &layout.highlighted_ranges {
6119 self.paint_highlighted_range(
6120 range.clone(),
6121 true,
6122 *color,
6123 Pixels::ZERO,
6124 line_end_overshoot,
6125 layout,
6126 window,
6127 );
6128 }
6129
6130 let corner_radius = if EditorSettings::get_global(cx).rounded_selection {
6131 0.15 * layout.position_map.line_height
6132 } else {
6133 Pixels::ZERO
6134 };
6135
6136 for (player_color, selections) in &layout.selections {
6137 for selection in selections.iter() {
6138 self.paint_highlighted_range(
6139 selection.range.clone(),
6140 true,
6141 player_color.selection,
6142 corner_radius,
6143 corner_radius * 2.,
6144 layout,
6145 window,
6146 );
6147
6148 if selection.is_local && !selection.range.is_empty() {
6149 invisible_display_ranges.push(selection.range.clone());
6150 }
6151 }
6152 }
6153 invisible_display_ranges
6154 })
6155 }
6156
6157 fn paint_lines(
6158 &mut self,
6159 invisible_display_ranges: &[Range<DisplayPoint>],
6160 layout: &mut EditorLayout,
6161 window: &mut Window,
6162 cx: &mut App,
6163 ) {
6164 let whitespace_setting = self
6165 .editor
6166 .read(cx)
6167 .buffer
6168 .read(cx)
6169 .language_settings(cx)
6170 .show_whitespaces;
6171
6172 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6173 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6174 line_with_invisibles.draw(
6175 layout,
6176 row,
6177 layout.content_origin,
6178 whitespace_setting,
6179 invisible_display_ranges,
6180 window,
6181 cx,
6182 )
6183 }
6184
6185 for line_element in &mut layout.line_elements {
6186 line_element.paint(window, cx);
6187 }
6188 }
6189
6190 fn paint_lines_background(
6191 &mut self,
6192 layout: &mut EditorLayout,
6193 window: &mut Window,
6194 cx: &mut App,
6195 ) {
6196 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6197 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6198 line_with_invisibles.draw_background(layout, row, layout.content_origin, window, cx);
6199 }
6200 }
6201
6202 fn paint_redactions(&mut self, layout: &EditorLayout, window: &mut Window) {
6203 if layout.redacted_ranges.is_empty() {
6204 return;
6205 }
6206
6207 let line_end_overshoot = layout.line_end_overshoot();
6208
6209 // A softer than perfect black
6210 let redaction_color = gpui::rgb(0x0e1111);
6211
6212 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6213 for range in layout.redacted_ranges.iter() {
6214 self.paint_highlighted_range(
6215 range.clone(),
6216 true,
6217 redaction_color.into(),
6218 Pixels::ZERO,
6219 line_end_overshoot,
6220 layout,
6221 window,
6222 );
6223 }
6224 });
6225 }
6226
6227 fn paint_document_colors(&self, layout: &mut EditorLayout, window: &mut Window) {
6228 let Some((colors_render_mode, image_colors)) = &layout.document_colors else {
6229 return;
6230 };
6231 if image_colors.is_empty()
6232 || colors_render_mode == &DocumentColorsRenderMode::None
6233 || colors_render_mode == &DocumentColorsRenderMode::Inlay
6234 {
6235 return;
6236 }
6237
6238 let line_end_overshoot = layout.line_end_overshoot();
6239
6240 for (range, color) in image_colors {
6241 match colors_render_mode {
6242 DocumentColorsRenderMode::Inlay | DocumentColorsRenderMode::None => return,
6243 DocumentColorsRenderMode::Background => {
6244 self.paint_highlighted_range(
6245 range.clone(),
6246 true,
6247 *color,
6248 Pixels::ZERO,
6249 line_end_overshoot,
6250 layout,
6251 window,
6252 );
6253 }
6254 DocumentColorsRenderMode::Border => {
6255 self.paint_highlighted_range(
6256 range.clone(),
6257 false,
6258 *color,
6259 Pixels::ZERO,
6260 line_end_overshoot,
6261 layout,
6262 window,
6263 );
6264 }
6265 }
6266 }
6267 }
6268
6269 fn paint_cursors(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6270 for cursor in &mut layout.visible_cursors {
6271 cursor.paint(layout.content_origin, window, cx);
6272 }
6273 }
6274
6275 fn paint_scrollbars(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6276 let Some(scrollbars_layout) = layout.scrollbars_layout.take() else {
6277 return;
6278 };
6279 let any_scrollbar_dragged = self.editor.read(cx).scroll_manager.any_scrollbar_dragged();
6280
6281 for (scrollbar_layout, axis) in scrollbars_layout.iter_scrollbars() {
6282 let hitbox = &scrollbar_layout.hitbox;
6283 if scrollbars_layout.visible {
6284 let scrollbar_edges = match axis {
6285 ScrollbarAxis::Horizontal => Edges {
6286 top: Pixels::ZERO,
6287 right: Pixels::ZERO,
6288 bottom: Pixels::ZERO,
6289 left: Pixels::ZERO,
6290 },
6291 ScrollbarAxis::Vertical => Edges {
6292 top: Pixels::ZERO,
6293 right: Pixels::ZERO,
6294 bottom: Pixels::ZERO,
6295 left: ScrollbarLayout::BORDER_WIDTH,
6296 },
6297 };
6298
6299 window.paint_layer(hitbox.bounds, |window| {
6300 window.paint_quad(quad(
6301 hitbox.bounds,
6302 Corners::default(),
6303 cx.theme().colors().scrollbar_track_background,
6304 scrollbar_edges,
6305 cx.theme().colors().scrollbar_track_border,
6306 BorderStyle::Solid,
6307 ));
6308
6309 if axis == ScrollbarAxis::Vertical {
6310 let fast_markers =
6311 self.collect_fast_scrollbar_markers(layout, scrollbar_layout, cx);
6312 // Refresh slow scrollbar markers in the background. Below, we
6313 // paint whatever markers have already been computed.
6314 self.refresh_slow_scrollbar_markers(layout, scrollbar_layout, window, cx);
6315
6316 let markers = self.editor.read(cx).scrollbar_marker_state.markers.clone();
6317 for marker in markers.iter().chain(&fast_markers) {
6318 let mut marker = marker.clone();
6319 marker.bounds.origin += hitbox.origin;
6320 window.paint_quad(marker);
6321 }
6322 }
6323
6324 if let Some(thumb_bounds) = scrollbar_layout.thumb_bounds {
6325 let scrollbar_thumb_color = match scrollbar_layout.thumb_state {
6326 ScrollbarThumbState::Dragging => {
6327 cx.theme().colors().scrollbar_thumb_active_background
6328 }
6329 ScrollbarThumbState::Hovered => {
6330 cx.theme().colors().scrollbar_thumb_hover_background
6331 }
6332 ScrollbarThumbState::Idle => {
6333 cx.theme().colors().scrollbar_thumb_background
6334 }
6335 };
6336 window.paint_quad(quad(
6337 thumb_bounds,
6338 Corners::default(),
6339 scrollbar_thumb_color,
6340 scrollbar_edges,
6341 cx.theme().colors().scrollbar_thumb_border,
6342 BorderStyle::Solid,
6343 ));
6344
6345 if any_scrollbar_dragged {
6346 window.set_window_cursor_style(CursorStyle::Arrow);
6347 } else {
6348 window.set_cursor_style(CursorStyle::Arrow, hitbox);
6349 }
6350 }
6351 })
6352 }
6353 }
6354
6355 window.on_mouse_event({
6356 let editor = self.editor.clone();
6357 let scrollbars_layout = scrollbars_layout.clone();
6358
6359 let mut mouse_position = window.mouse_position();
6360 move |event: &MouseMoveEvent, phase, window, cx| {
6361 if phase == DispatchPhase::Capture {
6362 return;
6363 }
6364
6365 editor.update(cx, |editor, cx| {
6366 if let Some((scrollbar_layout, axis)) = event
6367 .pressed_button
6368 .filter(|button| *button == MouseButton::Left)
6369 .and(editor.scroll_manager.dragging_scrollbar_axis())
6370 .and_then(|axis| {
6371 scrollbars_layout
6372 .iter_scrollbars()
6373 .find(|(_, a)| *a == axis)
6374 })
6375 {
6376 let ScrollbarLayout {
6377 hitbox,
6378 text_unit_size,
6379 ..
6380 } = scrollbar_layout;
6381
6382 let old_position = mouse_position.along(axis);
6383 let new_position = event.position.along(axis);
6384 if (hitbox.origin.along(axis)..hitbox.bottom_right().along(axis))
6385 .contains(&old_position)
6386 {
6387 let position = editor.scroll_position(cx).apply_along(axis, |p| {
6388 (p + (new_position - old_position) / *text_unit_size).max(0.)
6389 });
6390 editor.set_scroll_position(position, window, cx);
6391 }
6392
6393 editor.scroll_manager.show_scrollbars(window, cx);
6394 cx.stop_propagation();
6395 } else if let Some((layout, axis)) = scrollbars_layout
6396 .get_hovered_axis(window)
6397 .filter(|_| !event.dragging())
6398 {
6399 if layout.thumb_hovered(&event.position) {
6400 editor
6401 .scroll_manager
6402 .set_hovered_scroll_thumb_axis(axis, cx);
6403 } else {
6404 editor.scroll_manager.reset_scrollbar_state(cx);
6405 }
6406
6407 editor.scroll_manager.show_scrollbars(window, cx);
6408 } else {
6409 editor.scroll_manager.reset_scrollbar_state(cx);
6410 }
6411
6412 mouse_position = event.position;
6413 })
6414 }
6415 });
6416
6417 if any_scrollbar_dragged {
6418 window.on_mouse_event({
6419 let editor = self.editor.clone();
6420 move |_: &MouseUpEvent, phase, window, cx| {
6421 if phase == DispatchPhase::Capture {
6422 return;
6423 }
6424
6425 editor.update(cx, |editor, cx| {
6426 if let Some((_, axis)) = scrollbars_layout.get_hovered_axis(window) {
6427 editor
6428 .scroll_manager
6429 .set_hovered_scroll_thumb_axis(axis, cx);
6430 } else {
6431 editor.scroll_manager.reset_scrollbar_state(cx);
6432 }
6433 cx.stop_propagation();
6434 });
6435 }
6436 });
6437 } else {
6438 window.on_mouse_event({
6439 let editor = self.editor.clone();
6440
6441 move |event: &MouseDownEvent, phase, window, cx| {
6442 if phase == DispatchPhase::Capture {
6443 return;
6444 }
6445 let Some((scrollbar_layout, axis)) = scrollbars_layout.get_hovered_axis(window)
6446 else {
6447 return;
6448 };
6449
6450 let ScrollbarLayout {
6451 hitbox,
6452 visible_range,
6453 text_unit_size,
6454 thumb_bounds,
6455 ..
6456 } = scrollbar_layout;
6457
6458 let Some(thumb_bounds) = thumb_bounds else {
6459 return;
6460 };
6461
6462 editor.update(cx, |editor, cx| {
6463 editor
6464 .scroll_manager
6465 .set_dragged_scroll_thumb_axis(axis, cx);
6466
6467 let event_position = event.position.along(axis);
6468
6469 if event_position < thumb_bounds.origin.along(axis)
6470 || thumb_bounds.bottom_right().along(axis) < event_position
6471 {
6472 let center_position = ((event_position - hitbox.origin.along(axis))
6473 / *text_unit_size)
6474 .round() as u32;
6475 let start_position = center_position.saturating_sub(
6476 (visible_range.end - visible_range.start) as u32 / 2,
6477 );
6478
6479 let position = editor
6480 .scroll_position(cx)
6481 .apply_along(axis, |_| start_position as f32);
6482
6483 editor.set_scroll_position(position, window, cx);
6484 } else {
6485 editor.scroll_manager.show_scrollbars(window, cx);
6486 }
6487
6488 cx.stop_propagation();
6489 });
6490 }
6491 });
6492 }
6493 }
6494
6495 fn collect_fast_scrollbar_markers(
6496 &self,
6497 layout: &EditorLayout,
6498 scrollbar_layout: &ScrollbarLayout,
6499 cx: &mut App,
6500 ) -> Vec<PaintQuad> {
6501 const LIMIT: usize = 100;
6502 if !EditorSettings::get_global(cx).scrollbar.cursors || layout.cursors.len() > LIMIT {
6503 return vec![];
6504 }
6505 let cursor_ranges = layout
6506 .cursors
6507 .iter()
6508 .map(|(point, color)| ColoredRange {
6509 start: point.row(),
6510 end: point.row(),
6511 color: *color,
6512 })
6513 .collect_vec();
6514 scrollbar_layout.marker_quads_for_ranges(cursor_ranges, None)
6515 }
6516
6517 fn refresh_slow_scrollbar_markers(
6518 &self,
6519 layout: &EditorLayout,
6520 scrollbar_layout: &ScrollbarLayout,
6521 window: &mut Window,
6522 cx: &mut App,
6523 ) {
6524 self.editor.update(cx, |editor, cx| {
6525 if !editor.is_singleton(cx)
6526 || !editor
6527 .scrollbar_marker_state
6528 .should_refresh(scrollbar_layout.hitbox.size)
6529 {
6530 return;
6531 }
6532
6533 let scrollbar_layout = scrollbar_layout.clone();
6534 let background_highlights = editor.background_highlights.clone();
6535 let snapshot = layout.position_map.snapshot.clone();
6536 let theme = cx.theme().clone();
6537 let scrollbar_settings = EditorSettings::get_global(cx).scrollbar;
6538
6539 editor.scrollbar_marker_state.dirty = false;
6540 editor.scrollbar_marker_state.pending_refresh =
6541 Some(cx.spawn_in(window, async move |editor, cx| {
6542 let scrollbar_size = scrollbar_layout.hitbox.size;
6543 let scrollbar_markers = cx
6544 .background_spawn(async move {
6545 let max_point = snapshot.display_snapshot.buffer_snapshot.max_point();
6546 let mut marker_quads = Vec::new();
6547 if scrollbar_settings.git_diff {
6548 let marker_row_ranges =
6549 snapshot.buffer_snapshot.diff_hunks().map(|hunk| {
6550 let start_display_row =
6551 MultiBufferPoint::new(hunk.row_range.start.0, 0)
6552 .to_display_point(&snapshot.display_snapshot)
6553 .row();
6554 let mut end_display_row =
6555 MultiBufferPoint::new(hunk.row_range.end.0, 0)
6556 .to_display_point(&snapshot.display_snapshot)
6557 .row();
6558 if end_display_row != start_display_row {
6559 end_display_row.0 -= 1;
6560 }
6561 let color = match &hunk.status().kind {
6562 DiffHunkStatusKind::Added => {
6563 theme.colors().version_control_added
6564 }
6565 DiffHunkStatusKind::Modified => {
6566 theme.colors().version_control_modified
6567 }
6568 DiffHunkStatusKind::Deleted => {
6569 theme.colors().version_control_deleted
6570 }
6571 };
6572 ColoredRange {
6573 start: start_display_row,
6574 end: end_display_row,
6575 color,
6576 }
6577 });
6578
6579 marker_quads.extend(
6580 scrollbar_layout
6581 .marker_quads_for_ranges(marker_row_ranges, Some(0)),
6582 );
6583 }
6584
6585 for (background_highlight_id, (_, background_ranges)) in
6586 background_highlights.iter()
6587 {
6588 let is_search_highlights = *background_highlight_id
6589 == HighlightKey::Type(TypeId::of::<BufferSearchHighlights>());
6590 let is_text_highlights = *background_highlight_id
6591 == HighlightKey::Type(TypeId::of::<SelectedTextHighlight>());
6592 let is_symbol_occurrences = *background_highlight_id
6593 == HighlightKey::Type(TypeId::of::<DocumentHighlightRead>())
6594 || *background_highlight_id
6595 == HighlightKey::Type(
6596 TypeId::of::<DocumentHighlightWrite>(),
6597 );
6598 if (is_search_highlights && scrollbar_settings.search_results)
6599 || (is_text_highlights && scrollbar_settings.selected_text)
6600 || (is_symbol_occurrences && scrollbar_settings.selected_symbol)
6601 {
6602 let mut color = theme.status().info;
6603 if is_symbol_occurrences {
6604 color.fade_out(0.5);
6605 }
6606 let marker_row_ranges = background_ranges.iter().map(|range| {
6607 let display_start = range
6608 .start
6609 .to_display_point(&snapshot.display_snapshot);
6610 let display_end =
6611 range.end.to_display_point(&snapshot.display_snapshot);
6612 ColoredRange {
6613 start: display_start.row(),
6614 end: display_end.row(),
6615 color,
6616 }
6617 });
6618 marker_quads.extend(
6619 scrollbar_layout
6620 .marker_quads_for_ranges(marker_row_ranges, Some(1)),
6621 );
6622 }
6623 }
6624
6625 if scrollbar_settings.diagnostics != ScrollbarDiagnostics::None {
6626 let diagnostics = snapshot
6627 .buffer_snapshot
6628 .diagnostics_in_range::<Point>(Point::zero()..max_point)
6629 // Don't show diagnostics the user doesn't care about
6630 .filter(|diagnostic| {
6631 match (
6632 scrollbar_settings.diagnostics,
6633 diagnostic.diagnostic.severity,
6634 ) {
6635 (ScrollbarDiagnostics::All, _) => true,
6636 (
6637 ScrollbarDiagnostics::Error,
6638 lsp::DiagnosticSeverity::ERROR,
6639 ) => true,
6640 (
6641 ScrollbarDiagnostics::Warning,
6642 lsp::DiagnosticSeverity::ERROR
6643 | lsp::DiagnosticSeverity::WARNING,
6644 ) => true,
6645 (
6646 ScrollbarDiagnostics::Information,
6647 lsp::DiagnosticSeverity::ERROR
6648 | lsp::DiagnosticSeverity::WARNING
6649 | lsp::DiagnosticSeverity::INFORMATION,
6650 ) => true,
6651 (_, _) => false,
6652 }
6653 })
6654 // We want to sort by severity, in order to paint the most severe diagnostics last.
6655 .sorted_by_key(|diagnostic| {
6656 std::cmp::Reverse(diagnostic.diagnostic.severity)
6657 });
6658
6659 let marker_row_ranges = diagnostics.into_iter().map(|diagnostic| {
6660 let start_display = diagnostic
6661 .range
6662 .start
6663 .to_display_point(&snapshot.display_snapshot);
6664 let end_display = diagnostic
6665 .range
6666 .end
6667 .to_display_point(&snapshot.display_snapshot);
6668 let color = match diagnostic.diagnostic.severity {
6669 lsp::DiagnosticSeverity::ERROR => theme.status().error,
6670 lsp::DiagnosticSeverity::WARNING => theme.status().warning,
6671 lsp::DiagnosticSeverity::INFORMATION => theme.status().info,
6672 _ => theme.status().hint,
6673 };
6674 ColoredRange {
6675 start: start_display.row(),
6676 end: end_display.row(),
6677 color,
6678 }
6679 });
6680 marker_quads.extend(
6681 scrollbar_layout
6682 .marker_quads_for_ranges(marker_row_ranges, Some(2)),
6683 );
6684 }
6685
6686 Arc::from(marker_quads)
6687 })
6688 .await;
6689
6690 editor.update(cx, |editor, cx| {
6691 editor.scrollbar_marker_state.markers = scrollbar_markers;
6692 editor.scrollbar_marker_state.scrollbar_size = scrollbar_size;
6693 editor.scrollbar_marker_state.pending_refresh = None;
6694 cx.notify();
6695 })?;
6696
6697 Ok(())
6698 }));
6699 });
6700 }
6701
6702 fn paint_highlighted_range(
6703 &self,
6704 range: Range<DisplayPoint>,
6705 fill: bool,
6706 color: Hsla,
6707 corner_radius: Pixels,
6708 line_end_overshoot: Pixels,
6709 layout: &EditorLayout,
6710 window: &mut Window,
6711 ) {
6712 let start_row = layout.visible_display_row_range.start;
6713 let end_row = layout.visible_display_row_range.end;
6714 if range.start != range.end {
6715 let row_range = if range.end.column() == 0 {
6716 cmp::max(range.start.row(), start_row)..cmp::min(range.end.row(), end_row)
6717 } else {
6718 cmp::max(range.start.row(), start_row)
6719 ..cmp::min(range.end.row().next_row(), end_row)
6720 };
6721
6722 let highlighted_range = HighlightedRange {
6723 color,
6724 line_height: layout.position_map.line_height,
6725 corner_radius,
6726 start_y: layout.content_origin.y
6727 + row_range.start.as_f32() * layout.position_map.line_height
6728 - layout.position_map.scroll_pixel_position.y,
6729 lines: row_range
6730 .iter_rows()
6731 .map(|row| {
6732 let line_layout =
6733 &layout.position_map.line_layouts[row.minus(start_row) as usize];
6734 HighlightedRangeLine {
6735 start_x: if row == range.start.row() {
6736 layout.content_origin.x
6737 + line_layout.x_for_index(range.start.column() as usize)
6738 - layout.position_map.scroll_pixel_position.x
6739 } else {
6740 layout.content_origin.x
6741 - layout.position_map.scroll_pixel_position.x
6742 },
6743 end_x: if row == range.end.row() {
6744 layout.content_origin.x
6745 + line_layout.x_for_index(range.end.column() as usize)
6746 - layout.position_map.scroll_pixel_position.x
6747 } else {
6748 layout.content_origin.x + line_layout.width + line_end_overshoot
6749 - layout.position_map.scroll_pixel_position.x
6750 },
6751 }
6752 })
6753 .collect(),
6754 };
6755
6756 highlighted_range.paint(fill, layout.position_map.text_hitbox.bounds, window);
6757 }
6758 }
6759
6760 fn paint_inline_diagnostics(
6761 &mut self,
6762 layout: &mut EditorLayout,
6763 window: &mut Window,
6764 cx: &mut App,
6765 ) {
6766 for mut inline_diagnostic in layout.inline_diagnostics.drain() {
6767 inline_diagnostic.1.paint(window, cx);
6768 }
6769 }
6770
6771 fn paint_inline_blame(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6772 if let Some(mut blame_layout) = layout.inline_blame_layout.take() {
6773 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6774 blame_layout.element.paint(window, cx);
6775 })
6776 }
6777 }
6778
6779 fn paint_inline_code_actions(
6780 &mut self,
6781 layout: &mut EditorLayout,
6782 window: &mut Window,
6783 cx: &mut App,
6784 ) {
6785 if let Some(mut inline_code_actions) = layout.inline_code_actions.take() {
6786 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6787 inline_code_actions.paint(window, cx);
6788 })
6789 }
6790 }
6791
6792 fn paint_diff_hunk_controls(
6793 &mut self,
6794 layout: &mut EditorLayout,
6795 window: &mut Window,
6796 cx: &mut App,
6797 ) {
6798 for mut diff_hunk_control in layout.diff_hunk_controls.drain(..) {
6799 diff_hunk_control.paint(window, cx);
6800 }
6801 }
6802
6803 fn paint_minimap(&self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6804 if let Some(mut layout) = layout.minimap.take() {
6805 let minimap_hitbox = layout.thumb_layout.hitbox.clone();
6806 let dragging_minimap = self.editor.read(cx).scroll_manager.is_dragging_minimap();
6807
6808 window.paint_layer(layout.thumb_layout.hitbox.bounds, |window| {
6809 window.with_element_namespace("minimap", |window| {
6810 layout.minimap.paint(window, cx);
6811 if let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds {
6812 let minimap_thumb_color = match layout.thumb_layout.thumb_state {
6813 ScrollbarThumbState::Idle => {
6814 cx.theme().colors().minimap_thumb_background
6815 }
6816 ScrollbarThumbState::Hovered => {
6817 cx.theme().colors().minimap_thumb_hover_background
6818 }
6819 ScrollbarThumbState::Dragging => {
6820 cx.theme().colors().minimap_thumb_active_background
6821 }
6822 };
6823 let minimap_thumb_border = match layout.thumb_border_style {
6824 MinimapThumbBorder::Full => Edges::all(ScrollbarLayout::BORDER_WIDTH),
6825 MinimapThumbBorder::LeftOnly => Edges {
6826 left: ScrollbarLayout::BORDER_WIDTH,
6827 ..Default::default()
6828 },
6829 MinimapThumbBorder::LeftOpen => Edges {
6830 right: ScrollbarLayout::BORDER_WIDTH,
6831 top: ScrollbarLayout::BORDER_WIDTH,
6832 bottom: ScrollbarLayout::BORDER_WIDTH,
6833 ..Default::default()
6834 },
6835 MinimapThumbBorder::RightOpen => Edges {
6836 left: ScrollbarLayout::BORDER_WIDTH,
6837 top: ScrollbarLayout::BORDER_WIDTH,
6838 bottom: ScrollbarLayout::BORDER_WIDTH,
6839 ..Default::default()
6840 },
6841 MinimapThumbBorder::None => Default::default(),
6842 };
6843
6844 window.paint_layer(minimap_hitbox.bounds, |window| {
6845 window.paint_quad(quad(
6846 thumb_bounds,
6847 Corners::default(),
6848 minimap_thumb_color,
6849 minimap_thumb_border,
6850 cx.theme().colors().minimap_thumb_border,
6851 BorderStyle::Solid,
6852 ));
6853 });
6854 }
6855 });
6856 });
6857
6858 if dragging_minimap {
6859 window.set_window_cursor_style(CursorStyle::Arrow);
6860 } else {
6861 window.set_cursor_style(CursorStyle::Arrow, &minimap_hitbox);
6862 }
6863
6864 let minimap_axis = ScrollbarAxis::Vertical;
6865 let pixels_per_line = (minimap_hitbox.size.height / layout.max_scroll_top)
6866 .min(layout.minimap_line_height);
6867
6868 let mut mouse_position = window.mouse_position();
6869
6870 window.on_mouse_event({
6871 let editor = self.editor.clone();
6872
6873 let minimap_hitbox = minimap_hitbox.clone();
6874
6875 move |event: &MouseMoveEvent, phase, window, cx| {
6876 if phase == DispatchPhase::Capture {
6877 return;
6878 }
6879
6880 editor.update(cx, |editor, cx| {
6881 if event.pressed_button == Some(MouseButton::Left)
6882 && editor.scroll_manager.is_dragging_minimap()
6883 {
6884 let old_position = mouse_position.along(minimap_axis);
6885 let new_position = event.position.along(minimap_axis);
6886 if (minimap_hitbox.origin.along(minimap_axis)
6887 ..minimap_hitbox.bottom_right().along(minimap_axis))
6888 .contains(&old_position)
6889 {
6890 let position =
6891 editor.scroll_position(cx).apply_along(minimap_axis, |p| {
6892 (p + (new_position - old_position) / pixels_per_line)
6893 .max(0.)
6894 });
6895 editor.set_scroll_position(position, window, cx);
6896 }
6897 cx.stop_propagation();
6898 } else if minimap_hitbox.is_hovered(window) {
6899 editor.scroll_manager.set_is_hovering_minimap_thumb(
6900 !event.dragging()
6901 && layout
6902 .thumb_layout
6903 .thumb_bounds
6904 .is_some_and(|bounds| bounds.contains(&event.position)),
6905 cx,
6906 );
6907
6908 // Stop hover events from propagating to the
6909 // underlying editor if the minimap hitbox is hovered
6910 if !event.dragging() {
6911 cx.stop_propagation();
6912 }
6913 } else {
6914 editor.scroll_manager.hide_minimap_thumb(cx);
6915 }
6916 mouse_position = event.position;
6917 });
6918 }
6919 });
6920
6921 if dragging_minimap {
6922 window.on_mouse_event({
6923 let editor = self.editor.clone();
6924 move |event: &MouseUpEvent, phase, window, cx| {
6925 if phase == DispatchPhase::Capture {
6926 return;
6927 }
6928
6929 editor.update(cx, |editor, cx| {
6930 if minimap_hitbox.is_hovered(window) {
6931 editor.scroll_manager.set_is_hovering_minimap_thumb(
6932 layout
6933 .thumb_layout
6934 .thumb_bounds
6935 .is_some_and(|bounds| bounds.contains(&event.position)),
6936 cx,
6937 );
6938 } else {
6939 editor.scroll_manager.hide_minimap_thumb(cx);
6940 }
6941 cx.stop_propagation();
6942 });
6943 }
6944 });
6945 } else {
6946 window.on_mouse_event({
6947 let editor = self.editor.clone();
6948
6949 move |event: &MouseDownEvent, phase, window, cx| {
6950 if phase == DispatchPhase::Capture || !minimap_hitbox.is_hovered(window) {
6951 return;
6952 }
6953
6954 let event_position = event.position;
6955
6956 let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds else {
6957 return;
6958 };
6959
6960 editor.update(cx, |editor, cx| {
6961 if !thumb_bounds.contains(&event_position) {
6962 let click_position =
6963 event_position.relative_to(&minimap_hitbox.origin).y;
6964
6965 let top_position = (click_position
6966 - thumb_bounds.size.along(minimap_axis) / 2.0)
6967 .max(Pixels::ZERO);
6968
6969 let scroll_offset = (layout.minimap_scroll_top
6970 + top_position / layout.minimap_line_height)
6971 .min(layout.max_scroll_top);
6972
6973 let scroll_position = editor
6974 .scroll_position(cx)
6975 .apply_along(minimap_axis, |_| scroll_offset);
6976 editor.set_scroll_position(scroll_position, window, cx);
6977 }
6978
6979 editor.scroll_manager.set_is_dragging_minimap(cx);
6980 cx.stop_propagation();
6981 });
6982 }
6983 });
6984 }
6985 }
6986 }
6987
6988 fn paint_blocks(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6989 for mut block in layout.blocks.drain(..) {
6990 if block.overlaps_gutter {
6991 block.element.paint(window, cx);
6992 } else {
6993 let mut bounds = layout.hitbox.bounds;
6994 bounds.origin.x += layout.gutter_hitbox.bounds.size.width;
6995 window.with_content_mask(Some(ContentMask { bounds }), |window| {
6996 block.element.paint(window, cx);
6997 })
6998 }
6999 }
7000 }
7001
7002 fn paint_edit_prediction_popover(
7003 &mut self,
7004 layout: &mut EditorLayout,
7005 window: &mut Window,
7006 cx: &mut App,
7007 ) {
7008 if let Some(edit_prediction_popover) = layout.edit_prediction_popover.as_mut() {
7009 edit_prediction_popover.paint(window, cx);
7010 }
7011 }
7012
7013 fn paint_mouse_context_menu(
7014 &mut self,
7015 layout: &mut EditorLayout,
7016 window: &mut Window,
7017 cx: &mut App,
7018 ) {
7019 if let Some(mouse_context_menu) = layout.mouse_context_menu.as_mut() {
7020 mouse_context_menu.paint(window, cx);
7021 }
7022 }
7023
7024 fn paint_scroll_wheel_listener(
7025 &mut self,
7026 layout: &EditorLayout,
7027 window: &mut Window,
7028 cx: &mut App,
7029 ) {
7030 window.on_mouse_event({
7031 let position_map = layout.position_map.clone();
7032 let editor = self.editor.clone();
7033 let hitbox = layout.hitbox.clone();
7034 let mut delta = ScrollDelta::default();
7035
7036 // Set a minimum scroll_sensitivity of 0.01 to make sure the user doesn't
7037 // accidentally turn off their scrolling.
7038 let base_scroll_sensitivity =
7039 EditorSettings::get_global(cx).scroll_sensitivity.max(0.01);
7040
7041 // Use a minimum fast_scroll_sensitivity for same reason above
7042 let fast_scroll_sensitivity = EditorSettings::get_global(cx)
7043 .fast_scroll_sensitivity
7044 .max(0.01);
7045
7046 move |event: &ScrollWheelEvent, phase, window, cx| {
7047 let scroll_sensitivity = {
7048 if event.modifiers.alt {
7049 fast_scroll_sensitivity
7050 } else {
7051 base_scroll_sensitivity
7052 }
7053 };
7054
7055 if phase == DispatchPhase::Bubble && hitbox.should_handle_scroll(window) {
7056 delta = delta.coalesce(event.delta);
7057 editor.update(cx, |editor, cx| {
7058 let position_map: &PositionMap = &position_map;
7059
7060 let line_height = position_map.line_height;
7061 let max_glyph_advance = position_map.em_advance;
7062 let (delta, axis) = match delta {
7063 gpui::ScrollDelta::Pixels(mut pixels) => {
7064 //Trackpad
7065 let axis = position_map.snapshot.ongoing_scroll.filter(&mut pixels);
7066 (pixels, axis)
7067 }
7068
7069 gpui::ScrollDelta::Lines(lines) => {
7070 //Not trackpad
7071 let pixels =
7072 point(lines.x * max_glyph_advance, lines.y * line_height);
7073 (pixels, None)
7074 }
7075 };
7076
7077 let current_scroll_position = position_map.snapshot.scroll_position();
7078 let x = (current_scroll_position.x * max_glyph_advance
7079 - (delta.x * scroll_sensitivity))
7080 / max_glyph_advance;
7081 let y = (current_scroll_position.y * line_height
7082 - (delta.y * scroll_sensitivity))
7083 / line_height;
7084 let mut scroll_position =
7085 point(x, y).clamp(&point(0., 0.), &position_map.scroll_max);
7086 let forbid_vertical_scroll = editor.scroll_manager.forbid_vertical_scroll();
7087 if forbid_vertical_scroll {
7088 scroll_position.y = current_scroll_position.y;
7089 }
7090
7091 if scroll_position != current_scroll_position {
7092 editor.scroll(scroll_position, axis, window, cx);
7093 cx.stop_propagation();
7094 } else if y < 0. {
7095 // Due to clamping, we may fail to detect cases of overscroll to the top;
7096 // We want the scroll manager to get an update in such cases and detect the change of direction
7097 // on the next frame.
7098 cx.notify();
7099 }
7100 });
7101 }
7102 }
7103 });
7104 }
7105
7106 fn paint_mouse_listeners(&mut self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
7107 if layout.mode.is_minimap() {
7108 return;
7109 }
7110
7111 self.paint_scroll_wheel_listener(layout, window, cx);
7112
7113 window.on_mouse_event({
7114 let position_map = layout.position_map.clone();
7115 let editor = self.editor.clone();
7116 let diff_hunk_range =
7117 layout
7118 .display_hunks
7119 .iter()
7120 .find_map(|(hunk, hunk_hitbox)| match hunk {
7121 DisplayDiffHunk::Folded { .. } => None,
7122 DisplayDiffHunk::Unfolded {
7123 multi_buffer_range, ..
7124 } => {
7125 if hunk_hitbox
7126 .as_ref()
7127 .map(|hitbox| hitbox.is_hovered(window))
7128 .unwrap_or(false)
7129 {
7130 Some(multi_buffer_range.clone())
7131 } else {
7132 None
7133 }
7134 }
7135 });
7136 let line_numbers = layout.line_numbers.clone();
7137
7138 move |event: &MouseDownEvent, phase, window, cx| {
7139 if phase == DispatchPhase::Bubble {
7140 match event.button {
7141 MouseButton::Left => editor.update(cx, |editor, cx| {
7142 let pending_mouse_down = editor
7143 .pending_mouse_down
7144 .get_or_insert_with(Default::default)
7145 .clone();
7146
7147 *pending_mouse_down.borrow_mut() = Some(event.clone());
7148
7149 Self::mouse_left_down(
7150 editor,
7151 event,
7152 diff_hunk_range.clone(),
7153 &position_map,
7154 line_numbers.as_ref(),
7155 window,
7156 cx,
7157 );
7158 }),
7159 MouseButton::Right => editor.update(cx, |editor, cx| {
7160 Self::mouse_right_down(editor, event, &position_map, window, cx);
7161 }),
7162 MouseButton::Middle => editor.update(cx, |editor, cx| {
7163 Self::mouse_middle_down(editor, event, &position_map, window, cx);
7164 }),
7165 _ => {}
7166 };
7167 }
7168 }
7169 });
7170
7171 window.on_mouse_event({
7172 let editor = self.editor.clone();
7173 let position_map = layout.position_map.clone();
7174
7175 move |event: &MouseUpEvent, phase, window, cx| {
7176 if phase == DispatchPhase::Bubble {
7177 editor.update(cx, |editor, cx| {
7178 Self::mouse_up(editor, event, &position_map, window, cx)
7179 });
7180 }
7181 }
7182 });
7183
7184 window.on_mouse_event({
7185 let editor = self.editor.clone();
7186 let position_map = layout.position_map.clone();
7187 let mut captured_mouse_down = None;
7188
7189 move |event: &MouseUpEvent, phase, window, cx| match phase {
7190 // Clear the pending mouse down during the capture phase,
7191 // so that it happens even if another event handler stops
7192 // propagation.
7193 DispatchPhase::Capture => editor.update(cx, |editor, _cx| {
7194 let pending_mouse_down = editor
7195 .pending_mouse_down
7196 .get_or_insert_with(Default::default)
7197 .clone();
7198
7199 let mut pending_mouse_down = pending_mouse_down.borrow_mut();
7200 if pending_mouse_down.is_some() && position_map.text_hitbox.is_hovered(window) {
7201 captured_mouse_down = pending_mouse_down.take();
7202 window.refresh();
7203 }
7204 }),
7205 // Fire click handlers during the bubble phase.
7206 DispatchPhase::Bubble => editor.update(cx, |editor, cx| {
7207 if let Some(mouse_down) = captured_mouse_down.take() {
7208 let event = ClickEvent::Mouse(MouseClickEvent {
7209 down: mouse_down,
7210 up: event.clone(),
7211 });
7212 Self::click(editor, &event, &position_map, window, cx);
7213 }
7214 }),
7215 }
7216 });
7217
7218 window.on_mouse_event({
7219 let position_map = layout.position_map.clone();
7220 let editor = self.editor.clone();
7221
7222 move |event: &MouseMoveEvent, phase, window, cx| {
7223 if phase == DispatchPhase::Bubble {
7224 editor.update(cx, |editor, cx| {
7225 if editor.hover_state.focused(window, cx) {
7226 return;
7227 }
7228 if event.pressed_button == Some(MouseButton::Left)
7229 || event.pressed_button == Some(MouseButton::Middle)
7230 {
7231 Self::mouse_dragged(editor, event, &position_map, window, cx)
7232 }
7233
7234 Self::mouse_moved(editor, event, &position_map, window, cx)
7235 });
7236 }
7237 }
7238 });
7239 }
7240
7241 fn column_pixels(&self, column: usize, window: &Window) -> Pixels {
7242 let style = &self.style;
7243 let font_size = style.text.font_size.to_pixels(window.rem_size());
7244 let layout = window.text_system().shape_line(
7245 SharedString::from(" ".repeat(column)),
7246 font_size,
7247 &[TextRun {
7248 len: column,
7249 font: style.text.font(),
7250 color: Hsla::default(),
7251 background_color: None,
7252 underline: None,
7253 strikethrough: None,
7254 }],
7255 None,
7256 );
7257
7258 layout.width
7259 }
7260
7261 fn max_line_number_width(&self, snapshot: &EditorSnapshot, window: &mut Window) -> Pixels {
7262 let digit_count = snapshot.widest_line_number().ilog10() + 1;
7263 self.column_pixels(digit_count as usize, window)
7264 }
7265
7266 fn shape_line_number(
7267 &self,
7268 text: SharedString,
7269 color: Hsla,
7270 window: &mut Window,
7271 ) -> ShapedLine {
7272 let run = TextRun {
7273 len: text.len(),
7274 font: self.style.text.font(),
7275 color,
7276 background_color: None,
7277 underline: None,
7278 strikethrough: None,
7279 };
7280 window.text_system().shape_line(
7281 text,
7282 self.style.text.font_size.to_pixels(window.rem_size()),
7283 &[run],
7284 None,
7285 )
7286 }
7287
7288 fn diff_hunk_hollow(status: DiffHunkStatus, cx: &mut App) -> bool {
7289 let unstaged = status.has_secondary_hunk();
7290 let unstaged_hollow = ProjectSettings::get_global(cx)
7291 .git
7292 .hunk_style
7293 .is_some_and(|style| matches!(style, GitHunkStyleSetting::UnstagedHollow));
7294
7295 unstaged == unstaged_hollow
7296 }
7297}
7298
7299fn header_jump_data(
7300 snapshot: &EditorSnapshot,
7301 block_row_start: DisplayRow,
7302 height: u32,
7303 for_excerpt: &ExcerptInfo,
7304) -> JumpData {
7305 let range = &for_excerpt.range;
7306 let buffer = &for_excerpt.buffer;
7307 let jump_anchor = range.primary.start;
7308
7309 let excerpt_start = range.context.start;
7310 let jump_position = language::ToPoint::to_point(&jump_anchor, buffer);
7311 let rows_from_excerpt_start = if jump_anchor == excerpt_start {
7312 0
7313 } else {
7314 let excerpt_start_point = language::ToPoint::to_point(&excerpt_start, buffer);
7315 jump_position.row.saturating_sub(excerpt_start_point.row)
7316 };
7317
7318 let line_offset_from_top = (block_row_start.0 + height + rows_from_excerpt_start)
7319 .saturating_sub(
7320 snapshot
7321 .scroll_anchor
7322 .scroll_position(&snapshot.display_snapshot)
7323 .y as u32,
7324 );
7325
7326 JumpData::MultiBufferPoint {
7327 excerpt_id: for_excerpt.id,
7328 anchor: jump_anchor,
7329 position: jump_position,
7330 line_offset_from_top,
7331 }
7332}
7333
7334pub struct AcceptEditPredictionBinding(pub(crate) Option<gpui::KeyBinding>);
7335
7336impl AcceptEditPredictionBinding {
7337 pub fn keystroke(&self) -> Option<&KeybindingKeystroke> {
7338 if let Some(binding) = self.0.as_ref() {
7339 match &binding.keystrokes() {
7340 [keystroke, ..] => Some(keystroke),
7341 _ => None,
7342 }
7343 } else {
7344 None
7345 }
7346 }
7347}
7348
7349fn prepaint_gutter_button(
7350 button: IconButton,
7351 row: DisplayRow,
7352 line_height: Pixels,
7353 gutter_dimensions: &GutterDimensions,
7354 scroll_pixel_position: gpui::Point<Pixels>,
7355 gutter_hitbox: &Hitbox,
7356 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
7357 window: &mut Window,
7358 cx: &mut App,
7359) -> AnyElement {
7360 let mut button = button.into_any_element();
7361
7362 let available_space = size(
7363 AvailableSpace::MinContent,
7364 AvailableSpace::Definite(line_height),
7365 );
7366 let indicator_size = button.layout_as_root(available_space, window, cx);
7367
7368 let blame_width = gutter_dimensions.git_blame_entries_width;
7369 let gutter_width = display_hunks
7370 .binary_search_by(|(hunk, _)| match hunk {
7371 DisplayDiffHunk::Folded { display_row } => display_row.cmp(&row),
7372 DisplayDiffHunk::Unfolded {
7373 display_row_range, ..
7374 } => {
7375 if display_row_range.end <= row {
7376 Ordering::Less
7377 } else if display_row_range.start > row {
7378 Ordering::Greater
7379 } else {
7380 Ordering::Equal
7381 }
7382 }
7383 })
7384 .ok()
7385 .and_then(|ix| Some(display_hunks[ix].1.as_ref()?.size.width));
7386 let left_offset = blame_width.max(gutter_width).unwrap_or_default();
7387
7388 let mut x = left_offset;
7389 let available_width = gutter_dimensions.margin + gutter_dimensions.left_padding
7390 - indicator_size.width
7391 - left_offset;
7392 x += available_width / 2.;
7393
7394 let mut y = row.as_f32() * line_height - scroll_pixel_position.y;
7395 y += (line_height - indicator_size.height) / 2.;
7396
7397 button.prepaint_as_root(
7398 gutter_hitbox.origin + point(x, y),
7399 available_space,
7400 window,
7401 cx,
7402 );
7403 button
7404}
7405
7406fn render_inline_blame_entry(
7407 blame_entry: BlameEntry,
7408 style: &EditorStyle,
7409 cx: &mut App,
7410) -> Option<AnyElement> {
7411 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7412 renderer.render_inline_blame_entry(&style.text, blame_entry, cx)
7413}
7414
7415fn render_blame_entry_popover(
7416 blame_entry: BlameEntry,
7417 scroll_handle: ScrollHandle,
7418 commit_message: Option<ParsedCommitMessage>,
7419 markdown: Entity<Markdown>,
7420 workspace: WeakEntity<Workspace>,
7421 blame: &Entity<GitBlame>,
7422 buffer: BufferId,
7423 window: &mut Window,
7424 cx: &mut App,
7425) -> Option<AnyElement> {
7426 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7427 let blame = blame.read(cx);
7428 let repository = blame.repository(cx, buffer)?;
7429 renderer.render_blame_entry_popover(
7430 blame_entry,
7431 scroll_handle,
7432 commit_message,
7433 markdown,
7434 repository,
7435 workspace,
7436 window,
7437 cx,
7438 )
7439}
7440
7441fn render_blame_entry(
7442 ix: usize,
7443 blame: &Entity<GitBlame>,
7444 blame_entry: BlameEntry,
7445 style: &EditorStyle,
7446 last_used_color: &mut Option<(PlayerColor, Oid)>,
7447 editor: Entity<Editor>,
7448 workspace: Entity<Workspace>,
7449 buffer: BufferId,
7450 renderer: Arc<dyn BlameRenderer>,
7451 cx: &mut App,
7452) -> Option<AnyElement> {
7453 let mut sha_color = cx
7454 .theme()
7455 .players()
7456 .color_for_participant(blame_entry.sha.into());
7457
7458 // If the last color we used is the same as the one we get for this line, but
7459 // the commit SHAs are different, then we try again to get a different color.
7460 match *last_used_color {
7461 Some((color, sha)) if sha != blame_entry.sha && color.cursor == sha_color.cursor => {
7462 let index: u32 = blame_entry.sha.into();
7463 sha_color = cx.theme().players().color_for_participant(index + 1);
7464 }
7465 _ => {}
7466 };
7467 last_used_color.replace((sha_color, blame_entry.sha));
7468
7469 let blame = blame.read(cx);
7470 let details = blame.details_for_entry(buffer, &blame_entry);
7471 let repository = blame.repository(cx, buffer)?;
7472 renderer.render_blame_entry(
7473 &style.text,
7474 blame_entry,
7475 details,
7476 repository,
7477 workspace.downgrade(),
7478 editor,
7479 ix,
7480 sha_color.cursor,
7481 cx,
7482 )
7483}
7484
7485#[derive(Debug)]
7486pub(crate) struct LineWithInvisibles {
7487 fragments: SmallVec<[LineFragment; 1]>,
7488 invisibles: Vec<Invisible>,
7489 len: usize,
7490 pub(crate) width: Pixels,
7491 font_size: Pixels,
7492}
7493
7494enum LineFragment {
7495 Text(ShapedLine),
7496 Element {
7497 id: ChunkRendererId,
7498 element: Option<AnyElement>,
7499 size: Size<Pixels>,
7500 len: usize,
7501 },
7502}
7503
7504impl fmt::Debug for LineFragment {
7505 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
7506 match self {
7507 LineFragment::Text(shaped_line) => f.debug_tuple("Text").field(shaped_line).finish(),
7508 LineFragment::Element { size, len, .. } => f
7509 .debug_struct("Element")
7510 .field("size", size)
7511 .field("len", len)
7512 .finish(),
7513 }
7514 }
7515}
7516
7517impl LineWithInvisibles {
7518 fn from_chunks<'a>(
7519 chunks: impl Iterator<Item = HighlightedChunk<'a>>,
7520 editor_style: &EditorStyle,
7521 max_line_len: usize,
7522 max_line_count: usize,
7523 editor_mode: &EditorMode,
7524 text_width: Pixels,
7525 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
7526 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
7527 window: &mut Window,
7528 cx: &mut App,
7529 ) -> Vec<Self> {
7530 let text_style = &editor_style.text;
7531 let mut layouts = Vec::with_capacity(max_line_count);
7532 let mut fragments: SmallVec<[LineFragment; 1]> = SmallVec::new();
7533 let mut line = String::new();
7534 let mut invisibles = Vec::new();
7535 let mut width = Pixels::ZERO;
7536 let mut len = 0;
7537 let mut styles = Vec::new();
7538 let mut non_whitespace_added = false;
7539 let mut row = 0;
7540 let mut line_exceeded_max_len = false;
7541 let font_size = text_style.font_size.to_pixels(window.rem_size());
7542 let min_contrast = EditorSettings::get_global(cx).minimum_contrast_for_highlights;
7543
7544 let ellipsis = SharedString::from("β―");
7545
7546 for highlighted_chunk in chunks.chain([HighlightedChunk {
7547 text: "\n",
7548 style: None,
7549 is_tab: false,
7550 is_inlay: false,
7551 replacement: None,
7552 }]) {
7553 if let Some(replacement) = highlighted_chunk.replacement {
7554 if !line.is_empty() {
7555 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7556 let text_runs: &[TextRun] = if segments.is_empty() {
7557 &styles
7558 } else {
7559 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast)
7560 };
7561 let shaped_line = window.text_system().shape_line(
7562 line.clone().into(),
7563 font_size,
7564 text_runs,
7565 None,
7566 );
7567 width += shaped_line.width;
7568 len += shaped_line.len;
7569 fragments.push(LineFragment::Text(shaped_line));
7570 line.clear();
7571 styles.clear();
7572 }
7573
7574 match replacement {
7575 ChunkReplacement::Renderer(renderer) => {
7576 let available_width = if renderer.constrain_width {
7577 let chunk = if highlighted_chunk.text == ellipsis.as_ref() {
7578 ellipsis.clone()
7579 } else {
7580 SharedString::from(Arc::from(highlighted_chunk.text))
7581 };
7582 let shaped_line = window.text_system().shape_line(
7583 chunk,
7584 font_size,
7585 &[text_style.to_run(highlighted_chunk.text.len())],
7586 None,
7587 );
7588 AvailableSpace::Definite(shaped_line.width)
7589 } else {
7590 AvailableSpace::MinContent
7591 };
7592
7593 let mut element = (renderer.render)(&mut ChunkRendererContext {
7594 context: cx,
7595 window,
7596 max_width: text_width,
7597 });
7598 let line_height = text_style.line_height_in_pixels(window.rem_size());
7599 let size = element.layout_as_root(
7600 size(available_width, AvailableSpace::Definite(line_height)),
7601 window,
7602 cx,
7603 );
7604
7605 width += size.width;
7606 len += highlighted_chunk.text.len();
7607 fragments.push(LineFragment::Element {
7608 id: renderer.id,
7609 element: Some(element),
7610 size,
7611 len: highlighted_chunk.text.len(),
7612 });
7613 }
7614 ChunkReplacement::Str(x) => {
7615 let text_style = if let Some(style) = highlighted_chunk.style {
7616 Cow::Owned(text_style.clone().highlight(style))
7617 } else {
7618 Cow::Borrowed(text_style)
7619 };
7620
7621 let run = TextRun {
7622 len: x.len(),
7623 font: text_style.font(),
7624 color: text_style.color,
7625 background_color: text_style.background_color,
7626 underline: text_style.underline,
7627 strikethrough: text_style.strikethrough,
7628 };
7629 let line_layout = window
7630 .text_system()
7631 .shape_line(x, font_size, &[run], None)
7632 .with_len(highlighted_chunk.text.len());
7633
7634 width += line_layout.width;
7635 len += highlighted_chunk.text.len();
7636 fragments.push(LineFragment::Text(line_layout))
7637 }
7638 }
7639 } else {
7640 for (ix, mut line_chunk) in highlighted_chunk.text.split('\n').enumerate() {
7641 if ix > 0 {
7642 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7643 let text_runs = if segments.is_empty() {
7644 &styles
7645 } else {
7646 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast)
7647 };
7648 let shaped_line = window.text_system().shape_line(
7649 line.clone().into(),
7650 font_size,
7651 text_runs,
7652 None,
7653 );
7654 width += shaped_line.width;
7655 len += shaped_line.len;
7656 fragments.push(LineFragment::Text(shaped_line));
7657 layouts.push(Self {
7658 width: mem::take(&mut width),
7659 len: mem::take(&mut len),
7660 fragments: mem::take(&mut fragments),
7661 invisibles: std::mem::take(&mut invisibles),
7662 font_size,
7663 });
7664
7665 line.clear();
7666 styles.clear();
7667 row += 1;
7668 line_exceeded_max_len = false;
7669 non_whitespace_added = false;
7670 if row == max_line_count {
7671 return layouts;
7672 }
7673 }
7674
7675 if !line_chunk.is_empty() && !line_exceeded_max_len {
7676 let text_style = if let Some(style) = highlighted_chunk.style {
7677 Cow::Owned(text_style.clone().highlight(style))
7678 } else {
7679 Cow::Borrowed(text_style)
7680 };
7681
7682 if line.len() + line_chunk.len() > max_line_len {
7683 let mut chunk_len = max_line_len - line.len();
7684 while !line_chunk.is_char_boundary(chunk_len) {
7685 chunk_len -= 1;
7686 }
7687 line_chunk = &line_chunk[..chunk_len];
7688 line_exceeded_max_len = true;
7689 }
7690
7691 styles.push(TextRun {
7692 len: line_chunk.len(),
7693 font: text_style.font(),
7694 color: text_style.color,
7695 background_color: text_style.background_color,
7696 underline: text_style.underline,
7697 strikethrough: text_style.strikethrough,
7698 });
7699
7700 if editor_mode.is_full() && !highlighted_chunk.is_inlay {
7701 // Line wrap pads its contents with fake whitespaces,
7702 // avoid printing them
7703 let is_soft_wrapped = is_row_soft_wrapped(row);
7704 if highlighted_chunk.is_tab {
7705 if non_whitespace_added || !is_soft_wrapped {
7706 invisibles.push(Invisible::Tab {
7707 line_start_offset: line.len(),
7708 line_end_offset: line.len() + line_chunk.len(),
7709 });
7710 }
7711 } else {
7712 invisibles.extend(line_chunk.char_indices().filter_map(
7713 |(index, c)| {
7714 let is_whitespace = c.is_whitespace();
7715 non_whitespace_added |= !is_whitespace;
7716 if is_whitespace
7717 && (non_whitespace_added || !is_soft_wrapped)
7718 {
7719 Some(Invisible::Whitespace {
7720 line_offset: line.len() + index,
7721 })
7722 } else {
7723 None
7724 }
7725 },
7726 ))
7727 }
7728 }
7729
7730 line.push_str(line_chunk);
7731 }
7732 }
7733 }
7734 }
7735
7736 layouts
7737 }
7738
7739 /// Takes text runs and non-overlapping left-to-right background ranges with color.
7740 /// Returns new text runs with adjusted contrast as per background ranges.
7741 fn split_runs_by_bg_segments(
7742 text_runs: &[TextRun],
7743 bg_segments: &[(Range<DisplayPoint>, Hsla)],
7744 min_contrast: f32,
7745 ) -> Vec<TextRun> {
7746 let mut output_runs: Vec<TextRun> = Vec::with_capacity(text_runs.len());
7747 let mut line_col = 0usize;
7748 let mut segment_ix = 0usize;
7749
7750 for text_run in text_runs.iter() {
7751 let run_start_col = line_col;
7752 let run_end_col = run_start_col + text_run.len;
7753 while segment_ix < bg_segments.len()
7754 && (bg_segments[segment_ix].0.end.column() as usize) <= run_start_col
7755 {
7756 segment_ix += 1;
7757 }
7758 let mut cursor_col = run_start_col;
7759 let mut local_segment_ix = segment_ix;
7760 while local_segment_ix < bg_segments.len() {
7761 let (range, segment_color) = &bg_segments[local_segment_ix];
7762 let segment_start_col = range.start.column() as usize;
7763 let segment_end_col = range.end.column() as usize;
7764 if segment_start_col >= run_end_col {
7765 break;
7766 }
7767 if segment_start_col > cursor_col {
7768 let span_len = segment_start_col - cursor_col;
7769 output_runs.push(TextRun {
7770 len: span_len,
7771 font: text_run.font.clone(),
7772 color: text_run.color,
7773 background_color: text_run.background_color,
7774 underline: text_run.underline,
7775 strikethrough: text_run.strikethrough,
7776 });
7777 cursor_col = segment_start_col;
7778 }
7779 let segment_slice_end_col = segment_end_col.min(run_end_col);
7780 if segment_slice_end_col > cursor_col {
7781 let new_text_color =
7782 ensure_minimum_contrast(text_run.color, *segment_color, min_contrast);
7783 output_runs.push(TextRun {
7784 len: segment_slice_end_col - cursor_col,
7785 font: text_run.font.clone(),
7786 color: new_text_color,
7787 background_color: text_run.background_color,
7788 underline: text_run.underline,
7789 strikethrough: text_run.strikethrough,
7790 });
7791 cursor_col = segment_slice_end_col;
7792 }
7793 if segment_end_col >= run_end_col {
7794 break;
7795 }
7796 local_segment_ix += 1;
7797 }
7798 if cursor_col < run_end_col {
7799 output_runs.push(TextRun {
7800 len: run_end_col - cursor_col,
7801 font: text_run.font.clone(),
7802 color: text_run.color,
7803 background_color: text_run.background_color,
7804 underline: text_run.underline,
7805 strikethrough: text_run.strikethrough,
7806 });
7807 }
7808 line_col = run_end_col;
7809 segment_ix = local_segment_ix;
7810 }
7811 output_runs
7812 }
7813
7814 fn prepaint(
7815 &mut self,
7816 line_height: Pixels,
7817 scroll_pixel_position: gpui::Point<Pixels>,
7818 row: DisplayRow,
7819 content_origin: gpui::Point<Pixels>,
7820 line_elements: &mut SmallVec<[AnyElement; 1]>,
7821 window: &mut Window,
7822 cx: &mut App,
7823 ) {
7824 let line_y = line_height * (row.as_f32() - scroll_pixel_position.y / line_height);
7825 let mut fragment_origin = content_origin + gpui::point(-scroll_pixel_position.x, line_y);
7826 for fragment in &mut self.fragments {
7827 match fragment {
7828 LineFragment::Text(line) => {
7829 fragment_origin.x += line.width;
7830 }
7831 LineFragment::Element { element, size, .. } => {
7832 let mut element = element
7833 .take()
7834 .expect("you can't prepaint LineWithInvisibles twice");
7835
7836 // Center the element vertically within the line.
7837 let mut element_origin = fragment_origin;
7838 element_origin.y += (line_height - size.height) / 2.;
7839 element.prepaint_at(element_origin, window, cx);
7840 line_elements.push(element);
7841
7842 fragment_origin.x += size.width;
7843 }
7844 }
7845 }
7846 }
7847
7848 fn draw(
7849 &self,
7850 layout: &EditorLayout,
7851 row: DisplayRow,
7852 content_origin: gpui::Point<Pixels>,
7853 whitespace_setting: ShowWhitespaceSetting,
7854 selection_ranges: &[Range<DisplayPoint>],
7855 window: &mut Window,
7856 cx: &mut App,
7857 ) {
7858 let line_height = layout.position_map.line_height;
7859 let line_y = line_height
7860 * (row.as_f32() - layout.position_map.scroll_pixel_position.y / line_height);
7861
7862 let mut fragment_origin =
7863 content_origin + gpui::point(-layout.position_map.scroll_pixel_position.x, line_y);
7864
7865 for fragment in &self.fragments {
7866 match fragment {
7867 LineFragment::Text(line) => {
7868 line.paint(fragment_origin, line_height, window, cx)
7869 .log_err();
7870 fragment_origin.x += line.width;
7871 }
7872 LineFragment::Element { size, .. } => {
7873 fragment_origin.x += size.width;
7874 }
7875 }
7876 }
7877
7878 self.draw_invisibles(
7879 selection_ranges,
7880 layout,
7881 content_origin,
7882 line_y,
7883 row,
7884 line_height,
7885 whitespace_setting,
7886 window,
7887 cx,
7888 );
7889 }
7890
7891 fn draw_background(
7892 &self,
7893 layout: &EditorLayout,
7894 row: DisplayRow,
7895 content_origin: gpui::Point<Pixels>,
7896 window: &mut Window,
7897 cx: &mut App,
7898 ) {
7899 let line_height = layout.position_map.line_height;
7900 let line_y = line_height
7901 * (row.as_f32() - layout.position_map.scroll_pixel_position.y / line_height);
7902
7903 let mut fragment_origin =
7904 content_origin + gpui::point(-layout.position_map.scroll_pixel_position.x, line_y);
7905
7906 for fragment in &self.fragments {
7907 match fragment {
7908 LineFragment::Text(line) => {
7909 line.paint_background(fragment_origin, line_height, window, cx)
7910 .log_err();
7911 fragment_origin.x += line.width;
7912 }
7913 LineFragment::Element { size, .. } => {
7914 fragment_origin.x += size.width;
7915 }
7916 }
7917 }
7918 }
7919
7920 fn draw_invisibles(
7921 &self,
7922 selection_ranges: &[Range<DisplayPoint>],
7923 layout: &EditorLayout,
7924 content_origin: gpui::Point<Pixels>,
7925 line_y: Pixels,
7926 row: DisplayRow,
7927 line_height: Pixels,
7928 whitespace_setting: ShowWhitespaceSetting,
7929 window: &mut Window,
7930 cx: &mut App,
7931 ) {
7932 let extract_whitespace_info = |invisible: &Invisible| {
7933 let (token_offset, token_end_offset, invisible_symbol) = match invisible {
7934 Invisible::Tab {
7935 line_start_offset,
7936 line_end_offset,
7937 } => (*line_start_offset, *line_end_offset, &layout.tab_invisible),
7938 Invisible::Whitespace { line_offset } => {
7939 (*line_offset, line_offset + 1, &layout.space_invisible)
7940 }
7941 };
7942
7943 let x_offset = self.x_for_index(token_offset);
7944 let invisible_offset =
7945 (layout.position_map.em_width - invisible_symbol.width).max(Pixels::ZERO) / 2.0;
7946 let origin = content_origin
7947 + gpui::point(
7948 x_offset + invisible_offset - layout.position_map.scroll_pixel_position.x,
7949 line_y,
7950 );
7951
7952 (
7953 [token_offset, token_end_offset],
7954 Box::new(move |window: &mut Window, cx: &mut App| {
7955 invisible_symbol
7956 .paint(origin, line_height, window, cx)
7957 .log_err();
7958 }),
7959 )
7960 };
7961
7962 let invisible_iter = self.invisibles.iter().map(extract_whitespace_info);
7963 match whitespace_setting {
7964 ShowWhitespaceSetting::None => (),
7965 ShowWhitespaceSetting::All => invisible_iter.for_each(|(_, paint)| paint(window, cx)),
7966 ShowWhitespaceSetting::Selection => invisible_iter.for_each(|([start, _], paint)| {
7967 let invisible_point = DisplayPoint::new(row, start as u32);
7968 if !selection_ranges
7969 .iter()
7970 .any(|region| region.start <= invisible_point && invisible_point < region.end)
7971 {
7972 return;
7973 }
7974
7975 paint(window, cx);
7976 }),
7977
7978 ShowWhitespaceSetting::Trailing => {
7979 let mut previous_start = self.len;
7980 for ([start, end], paint) in invisible_iter.rev() {
7981 if previous_start != end {
7982 break;
7983 }
7984 previous_start = start;
7985 paint(window, cx);
7986 }
7987 }
7988
7989 // For a whitespace to be on a boundary, any of the following conditions need to be met:
7990 // - It is a tab
7991 // - It is adjacent to an edge (start or end)
7992 // - It is adjacent to a whitespace (left or right)
7993 ShowWhitespaceSetting::Boundary => {
7994 // 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
7995 // the above cases.
7996 // Note: We zip in the original `invisibles` to check for tab equality
7997 let mut last_seen: Option<(bool, usize, Box<dyn Fn(&mut Window, &mut App)>)> = None;
7998 for (([start, end], paint), invisible) in
7999 invisible_iter.zip_eq(self.invisibles.iter())
8000 {
8001 let should_render = match (&last_seen, invisible) {
8002 (_, Invisible::Tab { .. }) => true,
8003 (Some((_, last_end, _)), _) => *last_end == start,
8004 _ => false,
8005 };
8006
8007 if should_render || start == 0 || end == self.len {
8008 paint(window, cx);
8009
8010 // Since we are scanning from the left, we will skip over the first available whitespace that is part
8011 // of a boundary between non-whitespace segments, so we correct by manually redrawing it if needed.
8012 if let Some((should_render_last, last_end, paint_last)) = last_seen {
8013 // Note that we need to make sure that the last one is actually adjacent
8014 if !should_render_last && last_end == start {
8015 paint_last(window, cx);
8016 }
8017 }
8018 }
8019
8020 // Manually render anything within a selection
8021 let invisible_point = DisplayPoint::new(row, start as u32);
8022 if selection_ranges.iter().any(|region| {
8023 region.start <= invisible_point && invisible_point < region.end
8024 }) {
8025 paint(window, cx);
8026 }
8027
8028 last_seen = Some((should_render, end, paint));
8029 }
8030 }
8031 }
8032 }
8033
8034 pub fn x_for_index(&self, index: usize) -> Pixels {
8035 let mut fragment_start_x = Pixels::ZERO;
8036 let mut fragment_start_index = 0;
8037
8038 for fragment in &self.fragments {
8039 match fragment {
8040 LineFragment::Text(shaped_line) => {
8041 let fragment_end_index = fragment_start_index + shaped_line.len;
8042 if index < fragment_end_index {
8043 return fragment_start_x
8044 + shaped_line.x_for_index(index - fragment_start_index);
8045 }
8046 fragment_start_x += shaped_line.width;
8047 fragment_start_index = fragment_end_index;
8048 }
8049 LineFragment::Element { len, size, .. } => {
8050 let fragment_end_index = fragment_start_index + len;
8051 if index < fragment_end_index {
8052 return fragment_start_x;
8053 }
8054 fragment_start_x += size.width;
8055 fragment_start_index = fragment_end_index;
8056 }
8057 }
8058 }
8059
8060 fragment_start_x
8061 }
8062
8063 pub fn index_for_x(&self, x: Pixels) -> Option<usize> {
8064 let mut fragment_start_x = Pixels::ZERO;
8065 let mut fragment_start_index = 0;
8066
8067 for fragment in &self.fragments {
8068 match fragment {
8069 LineFragment::Text(shaped_line) => {
8070 let fragment_end_x = fragment_start_x + shaped_line.width;
8071 if x < fragment_end_x {
8072 return Some(
8073 fragment_start_index + shaped_line.index_for_x(x - fragment_start_x)?,
8074 );
8075 }
8076 fragment_start_x = fragment_end_x;
8077 fragment_start_index += shaped_line.len;
8078 }
8079 LineFragment::Element { len, size, .. } => {
8080 let fragment_end_x = fragment_start_x + size.width;
8081 if x < fragment_end_x {
8082 return Some(fragment_start_index);
8083 }
8084 fragment_start_index += len;
8085 fragment_start_x = fragment_end_x;
8086 }
8087 }
8088 }
8089
8090 None
8091 }
8092
8093 pub fn font_id_for_index(&self, index: usize) -> Option<FontId> {
8094 let mut fragment_start_index = 0;
8095
8096 for fragment in &self.fragments {
8097 match fragment {
8098 LineFragment::Text(shaped_line) => {
8099 let fragment_end_index = fragment_start_index + shaped_line.len;
8100 if index < fragment_end_index {
8101 return shaped_line.font_id_for_index(index - fragment_start_index);
8102 }
8103 fragment_start_index = fragment_end_index;
8104 }
8105 LineFragment::Element { len, .. } => {
8106 let fragment_end_index = fragment_start_index + len;
8107 if index < fragment_end_index {
8108 return None;
8109 }
8110 fragment_start_index = fragment_end_index;
8111 }
8112 }
8113 }
8114
8115 None
8116 }
8117}
8118
8119#[derive(Debug, Clone, Copy, PartialEq, Eq)]
8120enum Invisible {
8121 /// A tab character
8122 ///
8123 /// A tab character is internally represented by spaces (configured by the user's tab width)
8124 /// aligned to the nearest column, so it's necessary to store the start and end offset for
8125 /// adjacency checks.
8126 Tab {
8127 line_start_offset: usize,
8128 line_end_offset: usize,
8129 },
8130 Whitespace {
8131 line_offset: usize,
8132 },
8133}
8134
8135impl EditorElement {
8136 /// Returns the rem size to use when rendering the [`EditorElement`].
8137 ///
8138 /// This allows UI elements to scale based on the `buffer_font_size`.
8139 fn rem_size(&self, cx: &mut App) -> Option<Pixels> {
8140 match self.editor.read(cx).mode {
8141 EditorMode::Full {
8142 scale_ui_elements_with_buffer_font_size: true,
8143 ..
8144 }
8145 | EditorMode::Minimap { .. } => {
8146 let buffer_font_size = self.style.text.font_size;
8147 match buffer_font_size {
8148 AbsoluteLength::Pixels(pixels) => {
8149 let rem_size_scale = {
8150 // Our default UI font size is 14px on a 16px base scale.
8151 // This means the default UI font size is 0.875rems.
8152 let default_font_size_scale = 14. / ui::BASE_REM_SIZE_IN_PX;
8153
8154 // We then determine the delta between a single rem and the default font
8155 // size scale.
8156 let default_font_size_delta = 1. - default_font_size_scale;
8157
8158 // Finally, we add this delta to 1rem to get the scale factor that
8159 // should be used to scale up the UI.
8160 1. + default_font_size_delta
8161 };
8162
8163 Some(pixels * rem_size_scale)
8164 }
8165 AbsoluteLength::Rems(rems) => {
8166 Some(rems.to_pixels(ui::BASE_REM_SIZE_IN_PX.into()))
8167 }
8168 }
8169 }
8170 // We currently use single-line and auto-height editors in UI contexts,
8171 // so we don't want to scale everything with the buffer font size, as it
8172 // ends up looking off.
8173 _ => None,
8174 }
8175 }
8176
8177 fn editor_with_selections(&self, cx: &App) -> Option<Entity<Editor>> {
8178 if let EditorMode::Minimap { parent } = self.editor.read(cx).mode() {
8179 parent.upgrade()
8180 } else {
8181 Some(self.editor.clone())
8182 }
8183 }
8184}
8185
8186impl Element for EditorElement {
8187 type RequestLayoutState = ();
8188 type PrepaintState = EditorLayout;
8189
8190 fn id(&self) -> Option<ElementId> {
8191 None
8192 }
8193
8194 fn source_location(&self) -> Option<&'static core::panic::Location<'static>> {
8195 None
8196 }
8197
8198 fn request_layout(
8199 &mut self,
8200 _: Option<&GlobalElementId>,
8201 _inspector_id: Option<&gpui::InspectorElementId>,
8202 window: &mut Window,
8203 cx: &mut App,
8204 ) -> (gpui::LayoutId, ()) {
8205 let rem_size = self.rem_size(cx);
8206 window.with_rem_size(rem_size, |window| {
8207 self.editor.update(cx, |editor, cx| {
8208 editor.set_style(self.style.clone(), window, cx);
8209
8210 let layout_id = match editor.mode {
8211 EditorMode::SingleLine => {
8212 let rem_size = window.rem_size();
8213 let height = self.style.text.line_height_in_pixels(rem_size);
8214 let mut style = Style::default();
8215 style.size.height = height.into();
8216 style.size.width = relative(1.).into();
8217 window.request_layout(style, None, cx)
8218 }
8219 EditorMode::AutoHeight {
8220 min_lines,
8221 max_lines,
8222 } => {
8223 let editor_handle = cx.entity();
8224 let max_line_number_width =
8225 self.max_line_number_width(&editor.snapshot(window, cx), window);
8226 window.request_measured_layout(
8227 Style::default(),
8228 move |known_dimensions, available_space, window, cx| {
8229 editor_handle
8230 .update(cx, |editor, cx| {
8231 compute_auto_height_layout(
8232 editor,
8233 min_lines,
8234 max_lines,
8235 max_line_number_width,
8236 known_dimensions,
8237 available_space.width,
8238 window,
8239 cx,
8240 )
8241 })
8242 .unwrap_or_default()
8243 },
8244 )
8245 }
8246 EditorMode::Minimap { .. } => {
8247 let mut style = Style::default();
8248 style.size.width = relative(1.).into();
8249 style.size.height = relative(1.).into();
8250 window.request_layout(style, None, cx)
8251 }
8252 EditorMode::Full {
8253 sized_by_content, ..
8254 } => {
8255 let mut style = Style::default();
8256 style.size.width = relative(1.).into();
8257 if sized_by_content {
8258 let snapshot = editor.snapshot(window, cx);
8259 let line_height =
8260 self.style.text.line_height_in_pixels(window.rem_size());
8261 let scroll_height =
8262 (snapshot.max_point().row().next_row().0 as f32) * line_height;
8263 style.size.height = scroll_height.into();
8264 } else {
8265 style.size.height = relative(1.).into();
8266 }
8267 window.request_layout(style, None, cx)
8268 }
8269 };
8270
8271 (layout_id, ())
8272 })
8273 })
8274 }
8275
8276 fn prepaint(
8277 &mut self,
8278 _: Option<&GlobalElementId>,
8279 _inspector_id: Option<&gpui::InspectorElementId>,
8280 bounds: Bounds<Pixels>,
8281 _: &mut Self::RequestLayoutState,
8282 window: &mut Window,
8283 cx: &mut App,
8284 ) -> Self::PrepaintState {
8285 let text_style = TextStyleRefinement {
8286 font_size: Some(self.style.text.font_size),
8287 line_height: Some(self.style.text.line_height),
8288 ..Default::default()
8289 };
8290
8291 let is_minimap = self.editor.read(cx).mode.is_minimap();
8292
8293 if !is_minimap {
8294 let focus_handle = self.editor.focus_handle(cx);
8295 window.set_view_id(self.editor.entity_id());
8296 window.set_focus_handle(&focus_handle, cx);
8297 }
8298
8299 let rem_size = self.rem_size(cx);
8300 window.with_rem_size(rem_size, |window| {
8301 window.with_text_style(Some(text_style), |window| {
8302 window.with_content_mask(Some(ContentMask { bounds }), |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;
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 window.with_rem_size(rem_size, |window| {
9411 window.with_text_style(Some(text_style), |window| {
9412 window.with_content_mask(Some(ContentMask { bounds }), |window| {
9413 self.paint_mouse_listeners(layout, window, cx);
9414 self.paint_background(layout, window, cx);
9415 self.paint_indent_guides(layout, window, cx);
9416
9417 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9418 self.paint_blamed_display_rows(layout, window, cx);
9419 self.paint_line_numbers(layout, window, cx);
9420 }
9421
9422 self.paint_text(layout, window, cx);
9423
9424 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9425 self.paint_gutter_highlights(layout, window, cx);
9426 self.paint_gutter_indicators(layout, window, cx);
9427 }
9428
9429 if !layout.blocks.is_empty() {
9430 window.with_element_namespace("blocks", |window| {
9431 self.paint_blocks(layout, window, cx);
9432 });
9433 }
9434
9435 window.with_element_namespace("blocks", |window| {
9436 if let Some(mut sticky_header) = layout.sticky_buffer_header.take() {
9437 sticky_header.paint(window, cx)
9438 }
9439 });
9440
9441 self.paint_minimap(layout, window, cx);
9442 self.paint_scrollbars(layout, window, cx);
9443 self.paint_edit_prediction_popover(layout, window, cx);
9444 self.paint_mouse_context_menu(layout, window, cx);
9445 });
9446 })
9447 })
9448 }
9449}
9450
9451pub(super) fn gutter_bounds(
9452 editor_bounds: Bounds<Pixels>,
9453 gutter_dimensions: GutterDimensions,
9454) -> Bounds<Pixels> {
9455 Bounds {
9456 origin: editor_bounds.origin,
9457 size: size(gutter_dimensions.width, editor_bounds.size.height),
9458 }
9459}
9460
9461#[derive(Clone, Copy)]
9462struct ContextMenuLayout {
9463 y_flipped: bool,
9464 bounds: Bounds<Pixels>,
9465}
9466
9467/// Holds information required for layouting the editor scrollbars.
9468struct ScrollbarLayoutInformation {
9469 /// The bounds of the editor area (excluding the content offset).
9470 editor_bounds: Bounds<Pixels>,
9471 /// The available range to scroll within the document.
9472 scroll_range: Size<Pixels>,
9473 /// The space available for one glyph in the editor.
9474 glyph_grid_cell: Size<Pixels>,
9475}
9476
9477impl ScrollbarLayoutInformation {
9478 pub fn new(
9479 editor_bounds: Bounds<Pixels>,
9480 glyph_grid_cell: Size<Pixels>,
9481 document_size: Size<Pixels>,
9482 longest_line_blame_width: Pixels,
9483 settings: &EditorSettings,
9484 ) -> Self {
9485 let vertical_overscroll = match settings.scroll_beyond_last_line {
9486 ScrollBeyondLastLine::OnePage => editor_bounds.size.height,
9487 ScrollBeyondLastLine::Off => glyph_grid_cell.height,
9488 ScrollBeyondLastLine::VerticalScrollMargin => {
9489 (1.0 + settings.vertical_scroll_margin) * glyph_grid_cell.height
9490 }
9491 };
9492
9493 let overscroll = size(longest_line_blame_width, vertical_overscroll);
9494
9495 ScrollbarLayoutInformation {
9496 editor_bounds,
9497 scroll_range: document_size + overscroll,
9498 glyph_grid_cell,
9499 }
9500 }
9501}
9502
9503impl IntoElement for EditorElement {
9504 type Element = Self;
9505
9506 fn into_element(self) -> Self::Element {
9507 self
9508 }
9509}
9510
9511pub struct EditorLayout {
9512 position_map: Rc<PositionMap>,
9513 hitbox: Hitbox,
9514 gutter_hitbox: Hitbox,
9515 content_origin: gpui::Point<Pixels>,
9516 scrollbars_layout: Option<EditorScrollbars>,
9517 minimap: Option<MinimapLayout>,
9518 mode: EditorMode,
9519 wrap_guides: SmallVec<[(Pixels, bool); 2]>,
9520 indent_guides: Option<Vec<IndentGuideLayout>>,
9521 visible_display_row_range: Range<DisplayRow>,
9522 active_rows: BTreeMap<DisplayRow, LineHighlightSpec>,
9523 highlighted_rows: BTreeMap<DisplayRow, LineHighlight>,
9524 line_elements: SmallVec<[AnyElement; 1]>,
9525 line_numbers: Arc<HashMap<MultiBufferRow, LineNumberLayout>>,
9526 display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
9527 blamed_display_rows: Option<Vec<AnyElement>>,
9528 inline_diagnostics: HashMap<DisplayRow, AnyElement>,
9529 inline_blame_layout: Option<InlineBlameLayout>,
9530 inline_code_actions: Option<AnyElement>,
9531 blocks: Vec<BlockLayout>,
9532 highlighted_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9533 highlighted_gutter_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9534 redacted_ranges: Vec<Range<DisplayPoint>>,
9535 cursors: Vec<(DisplayPoint, Hsla)>,
9536 visible_cursors: Vec<CursorLayout>,
9537 selections: Vec<(PlayerColor, Vec<SelectionLayout>)>,
9538 test_indicators: Vec<AnyElement>,
9539 breakpoints: Vec<AnyElement>,
9540 crease_toggles: Vec<Option<AnyElement>>,
9541 expand_toggles: Vec<Option<(AnyElement, gpui::Point<Pixels>)>>,
9542 diff_hunk_controls: Vec<AnyElement>,
9543 crease_trailers: Vec<Option<CreaseTrailerLayout>>,
9544 edit_prediction_popover: Option<AnyElement>,
9545 mouse_context_menu: Option<AnyElement>,
9546 tab_invisible: ShapedLine,
9547 space_invisible: ShapedLine,
9548 sticky_buffer_header: Option<AnyElement>,
9549 document_colors: Option<(DocumentColorsRenderMode, Vec<(Range<DisplayPoint>, Hsla)>)>,
9550}
9551
9552impl EditorLayout {
9553 fn line_end_overshoot(&self) -> Pixels {
9554 0.15 * self.position_map.line_height
9555 }
9556}
9557
9558struct LineNumberLayout {
9559 shaped_line: ShapedLine,
9560 hitbox: Option<Hitbox>,
9561}
9562
9563struct ColoredRange<T> {
9564 start: T,
9565 end: T,
9566 color: Hsla,
9567}
9568
9569impl Along for ScrollbarAxes {
9570 type Unit = bool;
9571
9572 fn along(&self, axis: ScrollbarAxis) -> Self::Unit {
9573 match axis {
9574 ScrollbarAxis::Horizontal => self.horizontal,
9575 ScrollbarAxis::Vertical => self.vertical,
9576 }
9577 }
9578
9579 fn apply_along(&self, axis: ScrollbarAxis, f: impl FnOnce(Self::Unit) -> Self::Unit) -> Self {
9580 match axis {
9581 ScrollbarAxis::Horizontal => ScrollbarAxes {
9582 horizontal: f(self.horizontal),
9583 vertical: self.vertical,
9584 },
9585 ScrollbarAxis::Vertical => ScrollbarAxes {
9586 horizontal: self.horizontal,
9587 vertical: f(self.vertical),
9588 },
9589 }
9590 }
9591}
9592
9593#[derive(Clone)]
9594struct EditorScrollbars {
9595 pub vertical: Option<ScrollbarLayout>,
9596 pub horizontal: Option<ScrollbarLayout>,
9597 pub visible: bool,
9598}
9599
9600impl EditorScrollbars {
9601 pub fn from_scrollbar_axes(
9602 show_scrollbar: ScrollbarAxes,
9603 layout_information: &ScrollbarLayoutInformation,
9604 content_offset: gpui::Point<Pixels>,
9605 scroll_position: gpui::Point<f32>,
9606 scrollbar_width: Pixels,
9607 right_margin: Pixels,
9608 editor_width: Pixels,
9609 show_scrollbars: bool,
9610 scrollbar_state: Option<&ActiveScrollbarState>,
9611 window: &mut Window,
9612 ) -> Self {
9613 let ScrollbarLayoutInformation {
9614 editor_bounds,
9615 scroll_range,
9616 glyph_grid_cell,
9617 } = layout_information;
9618
9619 let viewport_size = size(editor_width, editor_bounds.size.height);
9620
9621 let scrollbar_bounds_for = |axis: ScrollbarAxis| match axis {
9622 ScrollbarAxis::Horizontal => Bounds::from_corner_and_size(
9623 Corner::BottomLeft,
9624 editor_bounds.bottom_left(),
9625 size(
9626 // The horizontal viewport size differs from the space available for the
9627 // horizontal scrollbar, so we have to manually stich it together here.
9628 editor_bounds.size.width - right_margin,
9629 scrollbar_width,
9630 ),
9631 ),
9632 ScrollbarAxis::Vertical => Bounds::from_corner_and_size(
9633 Corner::TopRight,
9634 editor_bounds.top_right(),
9635 size(scrollbar_width, viewport_size.height),
9636 ),
9637 };
9638
9639 let mut create_scrollbar_layout = |axis| {
9640 let viewport_size = viewport_size.along(axis);
9641 let scroll_range = scroll_range.along(axis);
9642
9643 // We always want a vertical scrollbar track for scrollbar diagnostic visibility.
9644 (show_scrollbar.along(axis)
9645 && (axis == ScrollbarAxis::Vertical || scroll_range > viewport_size))
9646 .then(|| {
9647 ScrollbarLayout::new(
9648 window.insert_hitbox(scrollbar_bounds_for(axis), HitboxBehavior::Normal),
9649 viewport_size,
9650 scroll_range,
9651 glyph_grid_cell.along(axis),
9652 content_offset.along(axis),
9653 scroll_position.along(axis),
9654 show_scrollbars,
9655 axis,
9656 )
9657 .with_thumb_state(
9658 scrollbar_state.and_then(|state| state.thumb_state_for_axis(axis)),
9659 )
9660 })
9661 };
9662
9663 Self {
9664 vertical: create_scrollbar_layout(ScrollbarAxis::Vertical),
9665 horizontal: create_scrollbar_layout(ScrollbarAxis::Horizontal),
9666 visible: show_scrollbars,
9667 }
9668 }
9669
9670 pub fn iter_scrollbars(&self) -> impl Iterator<Item = (&ScrollbarLayout, ScrollbarAxis)> + '_ {
9671 [
9672 (&self.vertical, ScrollbarAxis::Vertical),
9673 (&self.horizontal, ScrollbarAxis::Horizontal),
9674 ]
9675 .into_iter()
9676 .filter_map(|(scrollbar, axis)| scrollbar.as_ref().map(|s| (s, axis)))
9677 }
9678
9679 /// Returns the currently hovered scrollbar axis, if any.
9680 pub fn get_hovered_axis(&self, window: &Window) -> Option<(&ScrollbarLayout, ScrollbarAxis)> {
9681 self.iter_scrollbars()
9682 .find(|s| s.0.hitbox.is_hovered(window))
9683 }
9684}
9685
9686#[derive(Clone)]
9687struct ScrollbarLayout {
9688 hitbox: Hitbox,
9689 visible_range: Range<f32>,
9690 text_unit_size: Pixels,
9691 thumb_bounds: Option<Bounds<Pixels>>,
9692 thumb_state: ScrollbarThumbState,
9693}
9694
9695impl ScrollbarLayout {
9696 const BORDER_WIDTH: Pixels = px(1.0);
9697 const LINE_MARKER_HEIGHT: Pixels = px(2.0);
9698 const MIN_MARKER_HEIGHT: Pixels = px(5.0);
9699 const MIN_THUMB_SIZE: Pixels = px(25.0);
9700
9701 fn new(
9702 scrollbar_track_hitbox: Hitbox,
9703 viewport_size: Pixels,
9704 scroll_range: Pixels,
9705 glyph_space: Pixels,
9706 content_offset: Pixels,
9707 scroll_position: f32,
9708 show_thumb: bool,
9709 axis: ScrollbarAxis,
9710 ) -> Self {
9711 let track_bounds = scrollbar_track_hitbox.bounds;
9712 // The length of the track available to the scrollbar thumb. We deliberately
9713 // exclude the content size here so that the thumb aligns with the content.
9714 let track_length = track_bounds.size.along(axis) - content_offset;
9715
9716 Self::new_with_hitbox_and_track_length(
9717 scrollbar_track_hitbox,
9718 track_length,
9719 viewport_size,
9720 scroll_range,
9721 glyph_space,
9722 content_offset,
9723 scroll_position,
9724 show_thumb,
9725 axis,
9726 )
9727 }
9728
9729 fn for_minimap(
9730 minimap_track_hitbox: Hitbox,
9731 visible_lines: f32,
9732 total_editor_lines: f32,
9733 minimap_line_height: Pixels,
9734 scroll_position: f32,
9735 minimap_scroll_top: f32,
9736 show_thumb: bool,
9737 ) -> Self {
9738 // The scrollbar thumb size is calculated as
9739 // (visible_content/total_content) Γ scrollbar_track_length.
9740 //
9741 // For the minimap's thumb layout, we leverage this by setting the
9742 // scrollbar track length to the entire document size (using minimap line
9743 // height). This creates a thumb that exactly represents the editor
9744 // viewport scaled to minimap proportions.
9745 //
9746 // We adjust the thumb position relative to `minimap_scroll_top` to
9747 // accommodate for the deliberately oversized track.
9748 //
9749 // This approach ensures that the minimap thumb accurately reflects the
9750 // editor's current scroll position whilst nicely synchronizing the minimap
9751 // thumb and scrollbar thumb.
9752 let scroll_range = total_editor_lines * minimap_line_height;
9753 let viewport_size = visible_lines * minimap_line_height;
9754
9755 let track_top_offset = -minimap_scroll_top * minimap_line_height;
9756
9757 Self::new_with_hitbox_and_track_length(
9758 minimap_track_hitbox,
9759 scroll_range,
9760 viewport_size,
9761 scroll_range,
9762 minimap_line_height,
9763 track_top_offset,
9764 scroll_position,
9765 show_thumb,
9766 ScrollbarAxis::Vertical,
9767 )
9768 }
9769
9770 fn new_with_hitbox_and_track_length(
9771 scrollbar_track_hitbox: Hitbox,
9772 track_length: Pixels,
9773 viewport_size: Pixels,
9774 scroll_range: Pixels,
9775 glyph_space: Pixels,
9776 content_offset: Pixels,
9777 scroll_position: f32,
9778 show_thumb: bool,
9779 axis: ScrollbarAxis,
9780 ) -> Self {
9781 let text_units_per_page = viewport_size / glyph_space;
9782 let visible_range = scroll_position..scroll_position + text_units_per_page;
9783 let total_text_units = scroll_range / glyph_space;
9784
9785 let thumb_percentage = text_units_per_page / total_text_units;
9786 let thumb_size = (track_length * thumb_percentage)
9787 .max(ScrollbarLayout::MIN_THUMB_SIZE)
9788 .min(track_length);
9789
9790 let text_unit_divisor = (total_text_units - text_units_per_page).max(0.);
9791
9792 let content_larger_than_viewport = text_unit_divisor > 0.;
9793
9794 let text_unit_size = if content_larger_than_viewport {
9795 (track_length - thumb_size) / text_unit_divisor
9796 } else {
9797 glyph_space
9798 };
9799
9800 let thumb_bounds = (show_thumb && content_larger_than_viewport).then(|| {
9801 Self::thumb_bounds(
9802 &scrollbar_track_hitbox,
9803 content_offset,
9804 visible_range.start,
9805 text_unit_size,
9806 thumb_size,
9807 axis,
9808 )
9809 });
9810
9811 ScrollbarLayout {
9812 hitbox: scrollbar_track_hitbox,
9813 visible_range,
9814 text_unit_size,
9815 thumb_bounds,
9816 thumb_state: Default::default(),
9817 }
9818 }
9819
9820 fn with_thumb_state(self, thumb_state: Option<ScrollbarThumbState>) -> Self {
9821 if let Some(thumb_state) = thumb_state {
9822 Self {
9823 thumb_state,
9824 ..self
9825 }
9826 } else {
9827 self
9828 }
9829 }
9830
9831 fn thumb_bounds(
9832 scrollbar_track: &Hitbox,
9833 content_offset: Pixels,
9834 visible_range_start: f32,
9835 text_unit_size: Pixels,
9836 thumb_size: Pixels,
9837 axis: ScrollbarAxis,
9838 ) -> Bounds<Pixels> {
9839 let thumb_origin = scrollbar_track.origin.apply_along(axis, |origin| {
9840 origin + content_offset + visible_range_start * text_unit_size
9841 });
9842 Bounds::new(
9843 thumb_origin,
9844 scrollbar_track.size.apply_along(axis, |_| thumb_size),
9845 )
9846 }
9847
9848 fn thumb_hovered(&self, position: &gpui::Point<Pixels>) -> bool {
9849 self.thumb_bounds
9850 .is_some_and(|bounds| bounds.contains(position))
9851 }
9852
9853 fn marker_quads_for_ranges(
9854 &self,
9855 row_ranges: impl IntoIterator<Item = ColoredRange<DisplayRow>>,
9856 column: Option<usize>,
9857 ) -> Vec<PaintQuad> {
9858 struct MinMax {
9859 min: Pixels,
9860 max: Pixels,
9861 }
9862 let (x_range, height_limit) = if let Some(column) = column {
9863 let column_width = px(((self.hitbox.size.width - Self::BORDER_WIDTH).0 / 3.0).floor());
9864 let start = Self::BORDER_WIDTH + (column as f32 * column_width);
9865 let end = start + column_width;
9866 (
9867 Range { start, end },
9868 MinMax {
9869 min: Self::MIN_MARKER_HEIGHT,
9870 max: px(f32::MAX),
9871 },
9872 )
9873 } else {
9874 (
9875 Range {
9876 start: Self::BORDER_WIDTH,
9877 end: self.hitbox.size.width,
9878 },
9879 MinMax {
9880 min: Self::LINE_MARKER_HEIGHT,
9881 max: Self::LINE_MARKER_HEIGHT,
9882 },
9883 )
9884 };
9885
9886 let row_to_y = |row: DisplayRow| row.as_f32() * self.text_unit_size;
9887 let mut pixel_ranges = row_ranges
9888 .into_iter()
9889 .map(|range| {
9890 let start_y = row_to_y(range.start);
9891 let end_y = row_to_y(range.end)
9892 + self
9893 .text_unit_size
9894 .max(height_limit.min)
9895 .min(height_limit.max);
9896 ColoredRange {
9897 start: start_y,
9898 end: end_y,
9899 color: range.color,
9900 }
9901 })
9902 .peekable();
9903
9904 let mut quads = Vec::new();
9905 while let Some(mut pixel_range) = pixel_ranges.next() {
9906 while let Some(next_pixel_range) = pixel_ranges.peek() {
9907 if pixel_range.end >= next_pixel_range.start - px(1.0)
9908 && pixel_range.color == next_pixel_range.color
9909 {
9910 pixel_range.end = next_pixel_range.end.max(pixel_range.end);
9911 pixel_ranges.next();
9912 } else {
9913 break;
9914 }
9915 }
9916
9917 let bounds = Bounds::from_corners(
9918 point(x_range.start, pixel_range.start),
9919 point(x_range.end, pixel_range.end),
9920 );
9921 quads.push(quad(
9922 bounds,
9923 Corners::default(),
9924 pixel_range.color,
9925 Edges::default(),
9926 Hsla::transparent_black(),
9927 BorderStyle::default(),
9928 ));
9929 }
9930
9931 quads
9932 }
9933}
9934
9935struct MinimapLayout {
9936 pub minimap: AnyElement,
9937 pub thumb_layout: ScrollbarLayout,
9938 pub minimap_scroll_top: f32,
9939 pub minimap_line_height: Pixels,
9940 pub thumb_border_style: MinimapThumbBorder,
9941 pub max_scroll_top: f32,
9942}
9943
9944impl MinimapLayout {
9945 /// The minimum width of the minimap in columns. If the minimap is smaller than this, it will be hidden.
9946 const MINIMAP_MIN_WIDTH_COLUMNS: f32 = 20.;
9947 /// The minimap width as a percentage of the editor width.
9948 const MINIMAP_WIDTH_PCT: f32 = 0.15;
9949 /// Calculates the scroll top offset the minimap editor has to have based on the
9950 /// current scroll progress.
9951 fn calculate_minimap_top_offset(
9952 document_lines: f32,
9953 visible_editor_lines: f32,
9954 visible_minimap_lines: f32,
9955 scroll_position: f32,
9956 ) -> f32 {
9957 let non_visible_document_lines = (document_lines - visible_editor_lines).max(0.);
9958 if non_visible_document_lines == 0. {
9959 0.
9960 } else {
9961 let scroll_percentage = (scroll_position / non_visible_document_lines).clamp(0., 1.);
9962 scroll_percentage * (document_lines - visible_minimap_lines).max(0.)
9963 }
9964 }
9965}
9966
9967struct CreaseTrailerLayout {
9968 element: AnyElement,
9969 bounds: Bounds<Pixels>,
9970}
9971
9972pub(crate) struct PositionMap {
9973 pub size: Size<Pixels>,
9974 pub line_height: Pixels,
9975 pub scroll_pixel_position: gpui::Point<Pixels>,
9976 pub scroll_max: gpui::Point<f32>,
9977 pub em_width: Pixels,
9978 pub em_advance: Pixels,
9979 pub visible_row_range: Range<DisplayRow>,
9980 pub line_layouts: Vec<LineWithInvisibles>,
9981 pub snapshot: EditorSnapshot,
9982 pub text_hitbox: Hitbox,
9983 pub gutter_hitbox: Hitbox,
9984 pub inline_blame_bounds: Option<(Bounds<Pixels>, BufferId, BlameEntry)>,
9985 pub display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
9986 pub diff_hunk_control_bounds: Vec<(DisplayRow, Bounds<Pixels>)>,
9987}
9988
9989#[derive(Debug, Copy, Clone)]
9990pub struct PointForPosition {
9991 pub previous_valid: DisplayPoint,
9992 pub next_valid: DisplayPoint,
9993 pub exact_unclipped: DisplayPoint,
9994 pub column_overshoot_after_line_end: u32,
9995}
9996
9997impl PointForPosition {
9998 pub fn as_valid(&self) -> Option<DisplayPoint> {
9999 if self.previous_valid == self.exact_unclipped && self.next_valid == self.exact_unclipped {
10000 Some(self.previous_valid)
10001 } else {
10002 None
10003 }
10004 }
10005
10006 pub fn intersects_selection(&self, selection: &Selection<DisplayPoint>) -> bool {
10007 let Some(valid_point) = self.as_valid() else {
10008 return false;
10009 };
10010 let range = selection.range();
10011
10012 let candidate_row = valid_point.row();
10013 let candidate_col = valid_point.column();
10014
10015 let start_row = range.start.row();
10016 let start_col = range.start.column();
10017 let end_row = range.end.row();
10018 let end_col = range.end.column();
10019
10020 if candidate_row < start_row || candidate_row > end_row {
10021 false
10022 } else if start_row == end_row {
10023 candidate_col >= start_col && candidate_col < end_col
10024 } else if candidate_row == start_row {
10025 candidate_col >= start_col
10026 } else if candidate_row == end_row {
10027 candidate_col < end_col
10028 } else {
10029 true
10030 }
10031 }
10032}
10033
10034impl PositionMap {
10035 pub(crate) fn point_for_position(&self, position: gpui::Point<Pixels>) -> PointForPosition {
10036 let text_bounds = self.text_hitbox.bounds;
10037 let scroll_position = self.snapshot.scroll_position();
10038 let position = position - text_bounds.origin;
10039 let y = position.y.max(px(0.)).min(self.size.height);
10040 let x = position.x + (scroll_position.x * self.em_advance);
10041 let row = ((y / self.line_height) + scroll_position.y) as u32;
10042
10043 let (column, x_overshoot_after_line_end) = if let Some(line) = self
10044 .line_layouts
10045 .get(row as usize - scroll_position.y as usize)
10046 {
10047 if let Some(ix) = line.index_for_x(x) {
10048 (ix as u32, px(0.))
10049 } else {
10050 (line.len as u32, px(0.).max(x - line.width))
10051 }
10052 } else {
10053 (0, x)
10054 };
10055
10056 let mut exact_unclipped = DisplayPoint::new(DisplayRow(row), column);
10057 let previous_valid = self.snapshot.clip_point(exact_unclipped, Bias::Left);
10058 let next_valid = self.snapshot.clip_point(exact_unclipped, Bias::Right);
10059
10060 let column_overshoot_after_line_end = (x_overshoot_after_line_end / self.em_advance) as u32;
10061 *exact_unclipped.column_mut() += column_overshoot_after_line_end;
10062 PointForPosition {
10063 previous_valid,
10064 next_valid,
10065 exact_unclipped,
10066 column_overshoot_after_line_end,
10067 }
10068 }
10069}
10070
10071struct BlockLayout {
10072 id: BlockId,
10073 x_offset: Pixels,
10074 row: Option<DisplayRow>,
10075 element: AnyElement,
10076 available_space: Size<AvailableSpace>,
10077 style: BlockStyle,
10078 overlaps_gutter: bool,
10079 is_buffer_header: bool,
10080}
10081
10082pub fn layout_line(
10083 row: DisplayRow,
10084 snapshot: &EditorSnapshot,
10085 style: &EditorStyle,
10086 text_width: Pixels,
10087 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
10088 window: &mut Window,
10089 cx: &mut App,
10090) -> LineWithInvisibles {
10091 let chunks = snapshot.highlighted_chunks(row..row + DisplayRow(1), true, style);
10092 LineWithInvisibles::from_chunks(
10093 chunks,
10094 style,
10095 MAX_LINE_LEN,
10096 1,
10097 &snapshot.mode,
10098 text_width,
10099 is_row_soft_wrapped,
10100 &[],
10101 window,
10102 cx,
10103 )
10104 .pop()
10105 .unwrap()
10106}
10107
10108#[derive(Debug)]
10109pub struct IndentGuideLayout {
10110 origin: gpui::Point<Pixels>,
10111 length: Pixels,
10112 single_indent_width: Pixels,
10113 depth: u32,
10114 active: bool,
10115 settings: IndentGuideSettings,
10116}
10117
10118pub struct CursorLayout {
10119 origin: gpui::Point<Pixels>,
10120 block_width: Pixels,
10121 line_height: Pixels,
10122 color: Hsla,
10123 shape: CursorShape,
10124 block_text: Option<ShapedLine>,
10125 cursor_name: Option<AnyElement>,
10126}
10127
10128#[derive(Debug)]
10129pub struct CursorName {
10130 string: SharedString,
10131 color: Hsla,
10132 is_top_row: bool,
10133}
10134
10135impl CursorLayout {
10136 pub fn new(
10137 origin: gpui::Point<Pixels>,
10138 block_width: Pixels,
10139 line_height: Pixels,
10140 color: Hsla,
10141 shape: CursorShape,
10142 block_text: Option<ShapedLine>,
10143 ) -> CursorLayout {
10144 CursorLayout {
10145 origin,
10146 block_width,
10147 line_height,
10148 color,
10149 shape,
10150 block_text,
10151 cursor_name: None,
10152 }
10153 }
10154
10155 pub fn bounding_rect(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10156 Bounds {
10157 origin: self.origin + origin,
10158 size: size(self.block_width, self.line_height),
10159 }
10160 }
10161
10162 fn bounds(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10163 match self.shape {
10164 CursorShape::Bar => Bounds {
10165 origin: self.origin + origin,
10166 size: size(px(2.0), self.line_height),
10167 },
10168 CursorShape::Block | CursorShape::Hollow => Bounds {
10169 origin: self.origin + origin,
10170 size: size(self.block_width, self.line_height),
10171 },
10172 CursorShape::Underline => Bounds {
10173 origin: self.origin
10174 + origin
10175 + gpui::Point::new(Pixels::ZERO, self.line_height - px(2.0)),
10176 size: size(self.block_width, px(2.0)),
10177 },
10178 }
10179 }
10180
10181 pub fn layout(
10182 &mut self,
10183 origin: gpui::Point<Pixels>,
10184 cursor_name: Option<CursorName>,
10185 window: &mut Window,
10186 cx: &mut App,
10187 ) {
10188 if let Some(cursor_name) = cursor_name {
10189 let bounds = self.bounds(origin);
10190 let text_size = self.line_height / 1.5;
10191
10192 let name_origin = if cursor_name.is_top_row {
10193 point(bounds.right() - px(1.), bounds.top())
10194 } else {
10195 match self.shape {
10196 CursorShape::Bar => point(
10197 bounds.right() - px(2.),
10198 bounds.top() - text_size / 2. - px(1.),
10199 ),
10200 _ => point(
10201 bounds.right() - px(1.),
10202 bounds.top() - text_size / 2. - px(1.),
10203 ),
10204 }
10205 };
10206 let mut name_element = div()
10207 .bg(self.color)
10208 .text_size(text_size)
10209 .px_0p5()
10210 .line_height(text_size + px(2.))
10211 .text_color(cursor_name.color)
10212 .child(cursor_name.string)
10213 .into_any_element();
10214
10215 name_element.prepaint_as_root(name_origin, AvailableSpace::min_size(), window, cx);
10216
10217 self.cursor_name = Some(name_element);
10218 }
10219 }
10220
10221 pub fn paint(&mut self, origin: gpui::Point<Pixels>, window: &mut Window, cx: &mut App) {
10222 let bounds = self.bounds(origin);
10223
10224 //Draw background or border quad
10225 let cursor = if matches!(self.shape, CursorShape::Hollow) {
10226 outline(bounds, self.color, BorderStyle::Solid)
10227 } else {
10228 fill(bounds, self.color)
10229 };
10230
10231 if let Some(name) = &mut self.cursor_name {
10232 name.paint(window, cx);
10233 }
10234
10235 window.paint_quad(cursor);
10236
10237 if let Some(block_text) = &self.block_text {
10238 block_text
10239 .paint(self.origin + origin, self.line_height, window, cx)
10240 .log_err();
10241 }
10242 }
10243
10244 pub fn shape(&self) -> CursorShape {
10245 self.shape
10246 }
10247}
10248
10249#[derive(Debug)]
10250pub struct HighlightedRange {
10251 pub start_y: Pixels,
10252 pub line_height: Pixels,
10253 pub lines: Vec<HighlightedRangeLine>,
10254 pub color: Hsla,
10255 pub corner_radius: Pixels,
10256}
10257
10258#[derive(Debug)]
10259pub struct HighlightedRangeLine {
10260 pub start_x: Pixels,
10261 pub end_x: Pixels,
10262}
10263
10264impl HighlightedRange {
10265 pub fn paint(&self, fill: bool, bounds: Bounds<Pixels>, window: &mut Window) {
10266 if self.lines.len() >= 2 && self.lines[0].start_x > self.lines[1].end_x {
10267 self.paint_lines(self.start_y, &self.lines[0..1], fill, bounds, window);
10268 self.paint_lines(
10269 self.start_y + self.line_height,
10270 &self.lines[1..],
10271 fill,
10272 bounds,
10273 window,
10274 );
10275 } else {
10276 self.paint_lines(self.start_y, &self.lines, fill, bounds, window);
10277 }
10278 }
10279
10280 fn paint_lines(
10281 &self,
10282 start_y: Pixels,
10283 lines: &[HighlightedRangeLine],
10284 fill: bool,
10285 _bounds: Bounds<Pixels>,
10286 window: &mut Window,
10287 ) {
10288 if lines.is_empty() {
10289 return;
10290 }
10291
10292 let first_line = lines.first().unwrap();
10293 let last_line = lines.last().unwrap();
10294
10295 let first_top_left = point(first_line.start_x, start_y);
10296 let first_top_right = point(first_line.end_x, start_y);
10297
10298 let curve_height = point(Pixels::ZERO, self.corner_radius);
10299 let curve_width = |start_x: Pixels, end_x: Pixels| {
10300 let max = (end_x - start_x) / 2.;
10301 let width = if max < self.corner_radius {
10302 max
10303 } else {
10304 self.corner_radius
10305 };
10306
10307 point(width, Pixels::ZERO)
10308 };
10309
10310 let top_curve_width = curve_width(first_line.start_x, first_line.end_x);
10311 let mut builder = if fill {
10312 gpui::PathBuilder::fill()
10313 } else {
10314 gpui::PathBuilder::stroke(px(1.))
10315 };
10316 builder.move_to(first_top_right - top_curve_width);
10317 builder.curve_to(first_top_right + curve_height, first_top_right);
10318
10319 let mut iter = lines.iter().enumerate().peekable();
10320 while let Some((ix, line)) = iter.next() {
10321 let bottom_right = point(line.end_x, start_y + (ix + 1) as f32 * self.line_height);
10322
10323 if let Some((_, next_line)) = iter.peek() {
10324 let next_top_right = point(next_line.end_x, bottom_right.y);
10325
10326 match next_top_right.x.partial_cmp(&bottom_right.x).unwrap() {
10327 Ordering::Equal => {
10328 builder.line_to(bottom_right);
10329 }
10330 Ordering::Less => {
10331 let curve_width = curve_width(next_top_right.x, bottom_right.x);
10332 builder.line_to(bottom_right - curve_height);
10333 if self.corner_radius > Pixels::ZERO {
10334 builder.curve_to(bottom_right - curve_width, bottom_right);
10335 }
10336 builder.line_to(next_top_right + curve_width);
10337 if self.corner_radius > Pixels::ZERO {
10338 builder.curve_to(next_top_right + curve_height, next_top_right);
10339 }
10340 }
10341 Ordering::Greater => {
10342 let curve_width = curve_width(bottom_right.x, next_top_right.x);
10343 builder.line_to(bottom_right - curve_height);
10344 if self.corner_radius > Pixels::ZERO {
10345 builder.curve_to(bottom_right + curve_width, bottom_right);
10346 }
10347 builder.line_to(next_top_right - curve_width);
10348 if self.corner_radius > Pixels::ZERO {
10349 builder.curve_to(next_top_right + curve_height, next_top_right);
10350 }
10351 }
10352 }
10353 } else {
10354 let curve_width = curve_width(line.start_x, line.end_x);
10355 builder.line_to(bottom_right - curve_height);
10356 if self.corner_radius > Pixels::ZERO {
10357 builder.curve_to(bottom_right - curve_width, bottom_right);
10358 }
10359
10360 let bottom_left = point(line.start_x, bottom_right.y);
10361 builder.line_to(bottom_left + curve_width);
10362 if self.corner_radius > Pixels::ZERO {
10363 builder.curve_to(bottom_left - curve_height, bottom_left);
10364 }
10365 }
10366 }
10367
10368 if first_line.start_x > last_line.start_x {
10369 let curve_width = curve_width(last_line.start_x, first_line.start_x);
10370 let second_top_left = point(last_line.start_x, start_y + self.line_height);
10371 builder.line_to(second_top_left + curve_height);
10372 if self.corner_radius > Pixels::ZERO {
10373 builder.curve_to(second_top_left + curve_width, second_top_left);
10374 }
10375 let first_bottom_left = point(first_line.start_x, second_top_left.y);
10376 builder.line_to(first_bottom_left - curve_width);
10377 if self.corner_radius > Pixels::ZERO {
10378 builder.curve_to(first_bottom_left - curve_height, first_bottom_left);
10379 }
10380 }
10381
10382 builder.line_to(first_top_left + curve_height);
10383 if self.corner_radius > Pixels::ZERO {
10384 builder.curve_to(first_top_left + top_curve_width, first_top_left);
10385 }
10386 builder.line_to(first_top_right - top_curve_width);
10387
10388 if let Ok(path) = builder.build() {
10389 window.paint_path(path, self.color);
10390 }
10391 }
10392}
10393
10394enum CursorPopoverType {
10395 CodeContextMenu,
10396 EditPrediction,
10397}
10398
10399pub fn scale_vertical_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10400 (delta.pow(1.2) / 100.0).min(px(3.0)).into()
10401}
10402
10403fn scale_horizontal_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10404 (delta.pow(1.2) / 300.0).into()
10405}
10406
10407pub fn register_action<T: Action>(
10408 editor: &Entity<Editor>,
10409 window: &mut Window,
10410 listener: impl Fn(&mut Editor, &T, &mut Window, &mut Context<Editor>) + 'static,
10411) {
10412 let editor = editor.clone();
10413 window.on_action(TypeId::of::<T>(), move |action, phase, window, cx| {
10414 let action = action.downcast_ref().unwrap();
10415 if phase == DispatchPhase::Bubble {
10416 editor.update(cx, |editor, cx| {
10417 listener(editor, action, window, cx);
10418 })
10419 }
10420 })
10421}
10422
10423fn compute_auto_height_layout(
10424 editor: &mut Editor,
10425 min_lines: usize,
10426 max_lines: Option<usize>,
10427 max_line_number_width: Pixels,
10428 known_dimensions: Size<Option<Pixels>>,
10429 available_width: AvailableSpace,
10430 window: &mut Window,
10431 cx: &mut Context<Editor>,
10432) -> Option<Size<Pixels>> {
10433 let width = known_dimensions.width.or({
10434 if let AvailableSpace::Definite(available_width) = available_width {
10435 Some(available_width)
10436 } else {
10437 None
10438 }
10439 })?;
10440 if let Some(height) = known_dimensions.height {
10441 return Some(size(width, height));
10442 }
10443
10444 let style = editor.style.as_ref().unwrap();
10445 let font_id = window.text_system().resolve_font(&style.text.font());
10446 let font_size = style.text.font_size.to_pixels(window.rem_size());
10447 let line_height = style.text.line_height_in_pixels(window.rem_size());
10448 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
10449
10450 let mut snapshot = editor.snapshot(window, cx);
10451 let gutter_dimensions = snapshot
10452 .gutter_dimensions(font_id, font_size, max_line_number_width, cx)
10453 .or_else(|| {
10454 editor
10455 .offset_content
10456 .then(|| GutterDimensions::default_with_margin(font_id, font_size, cx))
10457 })
10458 .unwrap_or_default();
10459
10460 editor.gutter_dimensions = gutter_dimensions;
10461 let text_width = width - gutter_dimensions.width;
10462 let overscroll = size(em_width, px(0.));
10463
10464 let editor_width = text_width - gutter_dimensions.margin - overscroll.width - em_width;
10465 if !matches!(editor.soft_wrap_mode(cx), SoftWrap::None)
10466 && editor.set_wrap_width(Some(editor_width), cx)
10467 {
10468 snapshot = editor.snapshot(window, cx);
10469 }
10470
10471 let scroll_height = (snapshot.max_point().row().next_row().0 as f32) * line_height;
10472
10473 let min_height = line_height * min_lines as f32;
10474 let content_height = scroll_height.max(min_height);
10475
10476 let final_height = if let Some(max_lines) = max_lines {
10477 let max_height = line_height * max_lines as f32;
10478 content_height.min(max_height)
10479 } else {
10480 content_height
10481 };
10482
10483 Some(size(width, final_height))
10484}
10485
10486#[cfg(test)]
10487mod tests {
10488 use super::*;
10489 use crate::{
10490 Editor, MultiBuffer, SelectionEffects,
10491 display_map::{BlockPlacement, BlockProperties},
10492 editor_tests::{init_test, update_test_language_settings},
10493 };
10494 use gpui::{TestAppContext, VisualTestContext};
10495 use language::language_settings;
10496 use log::info;
10497 use std::num::NonZeroU32;
10498 use util::test::sample_text;
10499
10500 #[gpui::test]
10501 async fn test_soft_wrap_editor_width_auto_height_editor(cx: &mut TestAppContext) {
10502 init_test(cx, |_| {});
10503
10504 let window = cx.add_window(|window, cx| {
10505 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10506 let mut editor = Editor::new(
10507 EditorMode::AutoHeight {
10508 min_lines: 1,
10509 max_lines: None,
10510 },
10511 buffer,
10512 None,
10513 window,
10514 cx,
10515 );
10516 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10517 editor
10518 });
10519 let cx = &mut VisualTestContext::from_window(*window, cx);
10520 let editor = window.root(cx).unwrap();
10521 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10522
10523 for x in 1..=100 {
10524 let (_, state) = cx.draw(
10525 Default::default(),
10526 size(px(200. + 0.13 * x as f32), px(500.)),
10527 |_, _| EditorElement::new(&editor, style.clone()),
10528 );
10529
10530 assert!(
10531 state.position_map.scroll_max.x == 0.,
10532 "Soft wrapped editor should have no horizontal scrolling!"
10533 );
10534 }
10535 }
10536
10537 #[gpui::test]
10538 async fn test_soft_wrap_editor_width_full_editor(cx: &mut TestAppContext) {
10539 init_test(cx, |_| {});
10540
10541 let window = cx.add_window(|window, cx| {
10542 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10543 let mut editor = Editor::new(EditorMode::full(), buffer, None, window, cx);
10544 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10545 editor
10546 });
10547 let cx = &mut VisualTestContext::from_window(*window, cx);
10548 let editor = window.root(cx).unwrap();
10549 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10550
10551 for x in 1..=100 {
10552 let (_, state) = cx.draw(
10553 Default::default(),
10554 size(px(200. + 0.13 * x as f32), px(500.)),
10555 |_, _| EditorElement::new(&editor, style.clone()),
10556 );
10557
10558 assert!(
10559 state.position_map.scroll_max.x == 0.,
10560 "Soft wrapped editor should have no horizontal scrolling!"
10561 );
10562 }
10563 }
10564
10565 #[gpui::test]
10566 fn test_shape_line_numbers(cx: &mut TestAppContext) {
10567 init_test(cx, |_| {});
10568 let window = cx.add_window(|window, cx| {
10569 let buffer = MultiBuffer::build_simple(&sample_text(6, 6, 'a'), cx);
10570 Editor::new(EditorMode::full(), buffer, None, window, cx)
10571 });
10572
10573 let editor = window.root(cx).unwrap();
10574 let style = cx.update(|cx| editor.read(cx).style().unwrap().clone());
10575 let line_height = window
10576 .update(cx, |_, window, _| {
10577 style.text.line_height_in_pixels(window.rem_size())
10578 })
10579 .unwrap();
10580 let element = EditorElement::new(&editor, style);
10581 let snapshot = window
10582 .update(cx, |editor, window, cx| editor.snapshot(window, cx))
10583 .unwrap();
10584
10585 let layouts = cx
10586 .update_window(*window, |_, window, cx| {
10587 element.layout_line_numbers(
10588 None,
10589 GutterDimensions {
10590 left_padding: Pixels::ZERO,
10591 right_padding: Pixels::ZERO,
10592 width: px(30.0),
10593 margin: Pixels::ZERO,
10594 git_blame_entries_width: None,
10595 },
10596 line_height,
10597 gpui::Point::default(),
10598 DisplayRow(0)..DisplayRow(6),
10599 &(0..6)
10600 .map(|row| RowInfo {
10601 buffer_row: Some(row),
10602 ..Default::default()
10603 })
10604 .collect::<Vec<_>>(),
10605 &BTreeMap::default(),
10606 Some(DisplayPoint::new(DisplayRow(0), 0)),
10607 &snapshot,
10608 window,
10609 cx,
10610 )
10611 })
10612 .unwrap();
10613 assert_eq!(layouts.len(), 6);
10614
10615 let relative_rows = window
10616 .update(cx, |editor, window, cx| {
10617 let snapshot = editor.snapshot(window, cx);
10618 element.calculate_relative_line_numbers(
10619 &snapshot,
10620 &(DisplayRow(0)..DisplayRow(6)),
10621 Some(DisplayRow(3)),
10622 )
10623 })
10624 .unwrap();
10625 assert_eq!(relative_rows[&DisplayRow(0)], 3);
10626 assert_eq!(relative_rows[&DisplayRow(1)], 2);
10627 assert_eq!(relative_rows[&DisplayRow(2)], 1);
10628 // current line has no relative number
10629 assert_eq!(relative_rows[&DisplayRow(4)], 1);
10630 assert_eq!(relative_rows[&DisplayRow(5)], 2);
10631
10632 // works if cursor is before screen
10633 let relative_rows = window
10634 .update(cx, |editor, window, cx| {
10635 let snapshot = editor.snapshot(window, cx);
10636 element.calculate_relative_line_numbers(
10637 &snapshot,
10638 &(DisplayRow(3)..DisplayRow(6)),
10639 Some(DisplayRow(1)),
10640 )
10641 })
10642 .unwrap();
10643 assert_eq!(relative_rows.len(), 3);
10644 assert_eq!(relative_rows[&DisplayRow(3)], 2);
10645 assert_eq!(relative_rows[&DisplayRow(4)], 3);
10646 assert_eq!(relative_rows[&DisplayRow(5)], 4);
10647
10648 // works if cursor is after screen
10649 let relative_rows = window
10650 .update(cx, |editor, window, cx| {
10651 let snapshot = editor.snapshot(window, cx);
10652 element.calculate_relative_line_numbers(
10653 &snapshot,
10654 &(DisplayRow(0)..DisplayRow(3)),
10655 Some(DisplayRow(6)),
10656 )
10657 })
10658 .unwrap();
10659 assert_eq!(relative_rows.len(), 3);
10660 assert_eq!(relative_rows[&DisplayRow(0)], 5);
10661 assert_eq!(relative_rows[&DisplayRow(1)], 4);
10662 assert_eq!(relative_rows[&DisplayRow(2)], 3);
10663 }
10664
10665 #[gpui::test]
10666 async fn test_vim_visual_selections(cx: &mut TestAppContext) {
10667 init_test(cx, |_| {});
10668
10669 let window = cx.add_window(|window, cx| {
10670 let buffer = MultiBuffer::build_simple(&(sample_text(6, 6, 'a') + "\n"), cx);
10671 Editor::new(EditorMode::full(), buffer, None, window, cx)
10672 });
10673 let cx = &mut VisualTestContext::from_window(*window, cx);
10674 let editor = window.root(cx).unwrap();
10675 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10676
10677 window
10678 .update(cx, |editor, window, cx| {
10679 editor.cursor_shape = CursorShape::Block;
10680 editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
10681 s.select_ranges([
10682 Point::new(0, 0)..Point::new(1, 0),
10683 Point::new(3, 2)..Point::new(3, 3),
10684 Point::new(5, 6)..Point::new(6, 0),
10685 ]);
10686 });
10687 })
10688 .unwrap();
10689
10690 let (_, state) = cx.draw(
10691 point(px(500.), px(500.)),
10692 size(px(500.), px(500.)),
10693 |_, _| EditorElement::new(&editor, style),
10694 );
10695
10696 assert_eq!(state.selections.len(), 1);
10697 let local_selections = &state.selections[0].1;
10698 assert_eq!(local_selections.len(), 3);
10699 // moves cursor back one line
10700 assert_eq!(
10701 local_selections[0].head,
10702 DisplayPoint::new(DisplayRow(0), 6)
10703 );
10704 assert_eq!(
10705 local_selections[0].range,
10706 DisplayPoint::new(DisplayRow(0), 0)..DisplayPoint::new(DisplayRow(1), 0)
10707 );
10708
10709 // moves cursor back one column
10710 assert_eq!(
10711 local_selections[1].range,
10712 DisplayPoint::new(DisplayRow(3), 2)..DisplayPoint::new(DisplayRow(3), 3)
10713 );
10714 assert_eq!(
10715 local_selections[1].head,
10716 DisplayPoint::new(DisplayRow(3), 2)
10717 );
10718
10719 // leaves cursor on the max point
10720 assert_eq!(
10721 local_selections[2].range,
10722 DisplayPoint::new(DisplayRow(5), 6)..DisplayPoint::new(DisplayRow(6), 0)
10723 );
10724 assert_eq!(
10725 local_selections[2].head,
10726 DisplayPoint::new(DisplayRow(6), 0)
10727 );
10728
10729 // active lines does not include 1 (even though the range of the selection does)
10730 assert_eq!(
10731 state.active_rows.keys().cloned().collect::<Vec<_>>(),
10732 vec![DisplayRow(0), DisplayRow(3), DisplayRow(5), DisplayRow(6)]
10733 );
10734 }
10735
10736 #[gpui::test]
10737 fn test_layout_with_placeholder_text_and_blocks(cx: &mut TestAppContext) {
10738 init_test(cx, |_| {});
10739
10740 let window = cx.add_window(|window, cx| {
10741 let buffer = MultiBuffer::build_simple("", cx);
10742 Editor::new(EditorMode::full(), buffer, None, window, cx)
10743 });
10744 let cx = &mut VisualTestContext::from_window(*window, cx);
10745 let editor = window.root(cx).unwrap();
10746 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10747 window
10748 .update(cx, |editor, window, cx| {
10749 editor.set_placeholder_text("hello", cx);
10750 editor.insert_blocks(
10751 [BlockProperties {
10752 style: BlockStyle::Fixed,
10753 placement: BlockPlacement::Above(Anchor::min()),
10754 height: Some(3),
10755 render: Arc::new(|cx| div().h(3. * cx.window.line_height()).into_any()),
10756 priority: 0,
10757 }],
10758 None,
10759 cx,
10760 );
10761
10762 // Blur the editor so that it displays placeholder text.
10763 window.blur();
10764 })
10765 .unwrap();
10766
10767 let (_, state) = cx.draw(
10768 point(px(500.), px(500.)),
10769 size(px(500.), px(500.)),
10770 |_, _| EditorElement::new(&editor, style),
10771 );
10772 assert_eq!(state.position_map.line_layouts.len(), 4);
10773 assert_eq!(state.line_numbers.len(), 1);
10774 assert_eq!(
10775 state
10776 .line_numbers
10777 .get(&MultiBufferRow(0))
10778 .map(|line_number| line_number.shaped_line.text.as_ref()),
10779 Some("1")
10780 );
10781 }
10782
10783 #[gpui::test]
10784 fn test_all_invisibles_drawing(cx: &mut TestAppContext) {
10785 const TAB_SIZE: u32 = 4;
10786
10787 let input_text = "\t \t|\t| a b";
10788 let expected_invisibles = vec![
10789 Invisible::Tab {
10790 line_start_offset: 0,
10791 line_end_offset: TAB_SIZE as usize,
10792 },
10793 Invisible::Whitespace {
10794 line_offset: TAB_SIZE as usize,
10795 },
10796 Invisible::Tab {
10797 line_start_offset: TAB_SIZE as usize + 1,
10798 line_end_offset: TAB_SIZE as usize * 2,
10799 },
10800 Invisible::Tab {
10801 line_start_offset: TAB_SIZE as usize * 2 + 1,
10802 line_end_offset: TAB_SIZE as usize * 3,
10803 },
10804 Invisible::Whitespace {
10805 line_offset: TAB_SIZE as usize * 3 + 1,
10806 },
10807 Invisible::Whitespace {
10808 line_offset: TAB_SIZE as usize * 3 + 3,
10809 },
10810 ];
10811 assert_eq!(
10812 expected_invisibles.len(),
10813 input_text
10814 .chars()
10815 .filter(|initial_char| initial_char.is_whitespace())
10816 .count(),
10817 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
10818 );
10819
10820 for show_line_numbers in [true, false] {
10821 init_test(cx, |s| {
10822 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
10823 s.defaults.tab_size = NonZeroU32::new(TAB_SIZE);
10824 });
10825
10826 let actual_invisibles = collect_invisibles_from_new_editor(
10827 cx,
10828 EditorMode::full(),
10829 input_text,
10830 px(500.0),
10831 show_line_numbers,
10832 );
10833
10834 assert_eq!(expected_invisibles, actual_invisibles);
10835 }
10836 }
10837
10838 #[gpui::test]
10839 fn test_invisibles_dont_appear_in_certain_editors(cx: &mut TestAppContext) {
10840 init_test(cx, |s| {
10841 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
10842 s.defaults.tab_size = NonZeroU32::new(4);
10843 });
10844
10845 for editor_mode_without_invisibles in [
10846 EditorMode::SingleLine,
10847 EditorMode::AutoHeight {
10848 min_lines: 1,
10849 max_lines: Some(100),
10850 },
10851 ] {
10852 for show_line_numbers in [true, false] {
10853 let invisibles = collect_invisibles_from_new_editor(
10854 cx,
10855 editor_mode_without_invisibles.clone(),
10856 "\t\t\t| | a b",
10857 px(500.0),
10858 show_line_numbers,
10859 );
10860 assert!(
10861 invisibles.is_empty(),
10862 "For editor mode {editor_mode_without_invisibles:?} no invisibles was expected but got {invisibles:?}"
10863 );
10864 }
10865 }
10866 }
10867
10868 #[gpui::test]
10869 fn test_wrapped_invisibles_drawing(cx: &mut TestAppContext) {
10870 let tab_size = 4;
10871 let input_text = "a\tbcd ".repeat(9);
10872 let repeated_invisibles = [
10873 Invisible::Tab {
10874 line_start_offset: 1,
10875 line_end_offset: tab_size as usize,
10876 },
10877 Invisible::Whitespace {
10878 line_offset: tab_size as usize + 3,
10879 },
10880 Invisible::Whitespace {
10881 line_offset: tab_size as usize + 4,
10882 },
10883 Invisible::Whitespace {
10884 line_offset: tab_size as usize + 5,
10885 },
10886 Invisible::Whitespace {
10887 line_offset: tab_size as usize + 6,
10888 },
10889 Invisible::Whitespace {
10890 line_offset: tab_size as usize + 7,
10891 },
10892 ];
10893 let expected_invisibles = std::iter::once(repeated_invisibles)
10894 .cycle()
10895 .take(9)
10896 .flatten()
10897 .collect::<Vec<_>>();
10898 assert_eq!(
10899 expected_invisibles.len(),
10900 input_text
10901 .chars()
10902 .filter(|initial_char| initial_char.is_whitespace())
10903 .count(),
10904 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
10905 );
10906 info!("Expected invisibles: {expected_invisibles:?}");
10907
10908 init_test(cx, |_| {});
10909
10910 // Put the same string with repeating whitespace pattern into editors of various size,
10911 // take deliberately small steps during resizing, to put all whitespace kinds near the wrap point.
10912 let resize_step = 10.0;
10913 let mut editor_width = 200.0;
10914 while editor_width <= 1000.0 {
10915 for show_line_numbers in [true, false] {
10916 update_test_language_settings(cx, |s| {
10917 s.defaults.tab_size = NonZeroU32::new(tab_size);
10918 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
10919 s.defaults.preferred_line_length = Some(editor_width as u32);
10920 s.defaults.soft_wrap = Some(language_settings::SoftWrap::PreferredLineLength);
10921 });
10922
10923 let actual_invisibles = collect_invisibles_from_new_editor(
10924 cx,
10925 EditorMode::full(),
10926 &input_text,
10927 px(editor_width),
10928 show_line_numbers,
10929 );
10930
10931 // Whatever the editor size is, ensure it has the same invisible kinds in the same order
10932 // (no good guarantees about the offsets: wrapping could trigger padding and its tests should check the offsets).
10933 let mut i = 0;
10934 for (actual_index, actual_invisible) in actual_invisibles.iter().enumerate() {
10935 i = actual_index;
10936 match expected_invisibles.get(i) {
10937 Some(expected_invisible) => match (expected_invisible, actual_invisible) {
10938 (Invisible::Whitespace { .. }, Invisible::Whitespace { .. })
10939 | (Invisible::Tab { .. }, Invisible::Tab { .. }) => {}
10940 _ => {
10941 panic!(
10942 "At index {i}, expected invisible {expected_invisible:?} does not match actual {actual_invisible:?} by kind. Actual invisibles: {actual_invisibles:?}"
10943 )
10944 }
10945 },
10946 None => {
10947 panic!("Unexpected extra invisible {actual_invisible:?} at index {i}")
10948 }
10949 }
10950 }
10951 let missing_expected_invisibles = &expected_invisibles[i + 1..];
10952 assert!(
10953 missing_expected_invisibles.is_empty(),
10954 "Missing expected invisibles after index {i}: {missing_expected_invisibles:?}"
10955 );
10956
10957 editor_width += resize_step;
10958 }
10959 }
10960 }
10961
10962 fn collect_invisibles_from_new_editor(
10963 cx: &mut TestAppContext,
10964 editor_mode: EditorMode,
10965 input_text: &str,
10966 editor_width: Pixels,
10967 show_line_numbers: bool,
10968 ) -> Vec<Invisible> {
10969 info!(
10970 "Creating editor with mode {editor_mode:?}, width {}px and text '{input_text}'",
10971 editor_width.0
10972 );
10973 let window = cx.add_window(|window, cx| {
10974 let buffer = MultiBuffer::build_simple(input_text, cx);
10975 Editor::new(editor_mode, buffer, None, window, cx)
10976 });
10977 let cx = &mut VisualTestContext::from_window(*window, cx);
10978 let editor = window.root(cx).unwrap();
10979
10980 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10981 window
10982 .update(cx, |editor, _, cx| {
10983 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10984 editor.set_wrap_width(Some(editor_width), cx);
10985 editor.set_show_line_numbers(show_line_numbers, cx);
10986 })
10987 .unwrap();
10988 let (_, state) = cx.draw(
10989 point(px(500.), px(500.)),
10990 size(px(500.), px(500.)),
10991 |_, _| EditorElement::new(&editor, style),
10992 );
10993 state
10994 .position_map
10995 .line_layouts
10996 .iter()
10997 .flat_map(|line_with_invisibles| &line_with_invisibles.invisibles)
10998 .cloned()
10999 .collect()
11000 }
11001
11002 #[gpui::test]
11003 fn test_merge_overlapping_ranges() {
11004 let base_bg = Hsla::white();
11005 let color1 = Hsla {
11006 h: 0.0,
11007 s: 0.5,
11008 l: 0.5,
11009 a: 0.5,
11010 };
11011 let color2 = Hsla {
11012 h: 120.0,
11013 s: 0.5,
11014 l: 0.5,
11015 a: 0.5,
11016 };
11017
11018 let display_point = |col| DisplayPoint::new(DisplayRow(0), col);
11019 let cols = |v: &Vec<(Range<DisplayPoint>, Hsla)>| -> Vec<(u32, u32)> {
11020 v.iter()
11021 .map(|(r, _)| (r.start.column(), r.end.column()))
11022 .collect()
11023 };
11024
11025 // Test overlapping ranges blend colors
11026 let overlapping = vec![
11027 (display_point(5)..display_point(15), color1),
11028 (display_point(10)..display_point(20), color2),
11029 ];
11030 let result = EditorElement::merge_overlapping_ranges(overlapping, base_bg);
11031 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11032
11033 // Test middle segment should have blended color
11034 let blended = Hsla::blend(Hsla::blend(base_bg, color1), color2);
11035 assert_eq!(result[1].1, blended);
11036
11037 // Test adjacent same-color ranges merge
11038 let adjacent_same = vec![
11039 (display_point(5)..display_point(10), color1),
11040 (display_point(10)..display_point(15), color1),
11041 ];
11042 let result = EditorElement::merge_overlapping_ranges(adjacent_same, base_bg);
11043 assert_eq!(cols(&result), vec![(5, 15)]);
11044
11045 // Test contained range splits
11046 let contained = vec![
11047 (display_point(5)..display_point(20), color1),
11048 (display_point(10)..display_point(15), color2),
11049 ];
11050 let result = EditorElement::merge_overlapping_ranges(contained, base_bg);
11051 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11052
11053 // Test multiple overlaps split at every boundary
11054 let color3 = Hsla {
11055 h: 240.0,
11056 s: 0.5,
11057 l: 0.5,
11058 a: 0.5,
11059 };
11060 let complex = vec![
11061 (display_point(5)..display_point(12), color1),
11062 (display_point(8)..display_point(16), color2),
11063 (display_point(10)..display_point(14), color3),
11064 ];
11065 let result = EditorElement::merge_overlapping_ranges(complex, base_bg);
11066 assert_eq!(
11067 cols(&result),
11068 vec![(5, 8), (8, 10), (10, 12), (12, 14), (14, 16)]
11069 );
11070 }
11071
11072 #[gpui::test]
11073 fn test_bg_segments_per_row() {
11074 let base_bg = Hsla::white();
11075
11076 // Case A: selection spans three display rows: row 1 [5, end), full row 2, row 3 [0, 7)
11077 {
11078 let selection_color = Hsla {
11079 h: 200.0,
11080 s: 0.5,
11081 l: 0.5,
11082 a: 0.5,
11083 };
11084 let player_color = PlayerColor {
11085 cursor: selection_color,
11086 background: selection_color,
11087 selection: selection_color,
11088 };
11089
11090 let spanning_selection = SelectionLayout {
11091 head: DisplayPoint::new(DisplayRow(3), 7),
11092 cursor_shape: CursorShape::Bar,
11093 is_newest: true,
11094 is_local: true,
11095 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 7),
11096 active_rows: DisplayRow(1)..DisplayRow(4),
11097 user_name: None,
11098 };
11099
11100 let selections = vec![(player_color, vec![spanning_selection])];
11101 let result = EditorElement::bg_segments_per_row(
11102 DisplayRow(0)..DisplayRow(5),
11103 &selections,
11104 &[],
11105 base_bg,
11106 );
11107
11108 assert_eq!(result.len(), 5);
11109 assert!(result[0].is_empty());
11110 assert_eq!(result[1].len(), 1);
11111 assert_eq!(result[2].len(), 1);
11112 assert_eq!(result[3].len(), 1);
11113 assert!(result[4].is_empty());
11114
11115 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11116 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11117 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11118 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11119 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11120 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11121 assert_eq!(result[3][0].0.start, DisplayPoint::new(DisplayRow(3), 0));
11122 assert_eq!(result[3][0].0.end, DisplayPoint::new(DisplayRow(3), 7));
11123 }
11124
11125 // Case B: selection ends exactly at the start of row 3, excluding row 3
11126 {
11127 let selection_color = Hsla {
11128 h: 120.0,
11129 s: 0.5,
11130 l: 0.5,
11131 a: 0.5,
11132 };
11133 let player_color = PlayerColor {
11134 cursor: selection_color,
11135 background: selection_color,
11136 selection: selection_color,
11137 };
11138
11139 let selection = SelectionLayout {
11140 head: DisplayPoint::new(DisplayRow(2), 0),
11141 cursor_shape: CursorShape::Bar,
11142 is_newest: true,
11143 is_local: true,
11144 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 0),
11145 active_rows: DisplayRow(1)..DisplayRow(3),
11146 user_name: None,
11147 };
11148
11149 let selections = vec![(player_color, vec![selection])];
11150 let result = EditorElement::bg_segments_per_row(
11151 DisplayRow(0)..DisplayRow(4),
11152 &selections,
11153 &[],
11154 base_bg,
11155 );
11156
11157 assert_eq!(result.len(), 4);
11158 assert!(result[0].is_empty());
11159 assert_eq!(result[1].len(), 1);
11160 assert_eq!(result[2].len(), 1);
11161 assert!(result[3].is_empty());
11162
11163 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11164 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11165 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11166 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11167 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11168 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11169 }
11170 }
11171
11172 #[cfg(test)]
11173 fn generate_test_run(len: usize, color: Hsla) -> TextRun {
11174 TextRun {
11175 len,
11176 font: gpui::font(".SystemUIFont"),
11177 color,
11178 background_color: None,
11179 underline: None,
11180 strikethrough: None,
11181 }
11182 }
11183
11184 #[gpui::test]
11185 fn test_split_runs_by_bg_segments(cx: &mut gpui::TestAppContext) {
11186 init_test(cx, |_| {});
11187
11188 let text_color = Hsla {
11189 h: 210.0,
11190 s: 0.1,
11191 l: 0.4,
11192 a: 1.0,
11193 };
11194 let bg1 = Hsla {
11195 h: 30.0,
11196 s: 0.6,
11197 l: 0.8,
11198 a: 1.0,
11199 };
11200 let bg2 = Hsla {
11201 h: 200.0,
11202 s: 0.6,
11203 l: 0.2,
11204 a: 1.0,
11205 };
11206 let min_contrast = 45.0;
11207
11208 // Case A: single run; disjoint segments inside the run
11209 let runs = vec![generate_test_run(20, text_color)];
11210 let segs = vec![
11211 (
11212 DisplayPoint::new(DisplayRow(0), 5)..DisplayPoint::new(DisplayRow(0), 10),
11213 bg1,
11214 ),
11215 (
11216 DisplayPoint::new(DisplayRow(0), 12)..DisplayPoint::new(DisplayRow(0), 16),
11217 bg2,
11218 ),
11219 ];
11220 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast);
11221 // Expected slices: [0,5) [5,10) [10,12) [12,16) [16,20)
11222 assert_eq!(
11223 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11224 vec![5, 5, 2, 4, 4]
11225 );
11226 assert_eq!(out[0].color, text_color);
11227 assert_eq!(
11228 out[1].color,
11229 ensure_minimum_contrast(text_color, bg1, min_contrast)
11230 );
11231 assert_eq!(out[2].color, text_color);
11232 assert_eq!(
11233 out[3].color,
11234 ensure_minimum_contrast(text_color, bg2, min_contrast)
11235 );
11236 assert_eq!(out[4].color, text_color);
11237
11238 // Case B: multiple runs; segment extends to end of line (u32::MAX)
11239 let runs = vec![
11240 generate_test_run(8, text_color),
11241 generate_test_run(7, text_color),
11242 ];
11243 let segs = vec![(
11244 DisplayPoint::new(DisplayRow(0), 6)..DisplayPoint::new(DisplayRow(0), u32::MAX),
11245 bg1,
11246 )];
11247 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast);
11248 // Expected slices across runs: [0,6) [6,8) | [0,7)
11249 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![6, 2, 7]);
11250 let adjusted = ensure_minimum_contrast(text_color, bg1, min_contrast);
11251 assert_eq!(out[0].color, text_color);
11252 assert_eq!(out[1].color, adjusted);
11253 assert_eq!(out[2].color, adjusted);
11254
11255 // Case C: multi-byte characters
11256 // for text: "Hello π δΈη!"
11257 let runs = vec![
11258 generate_test_run(5, text_color), // "Hello"
11259 generate_test_run(6, text_color), // " π "
11260 generate_test_run(6, text_color), // "δΈη"
11261 generate_test_run(1, text_color), // "!"
11262 ];
11263 // selecting "π δΈ"
11264 let segs = vec![(
11265 DisplayPoint::new(DisplayRow(0), 6)..DisplayPoint::new(DisplayRow(0), 14),
11266 bg1,
11267 )];
11268 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast);
11269 // "Hello" | " " | "π " | "δΈ" | "η" | "!"
11270 assert_eq!(
11271 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11272 vec![5, 1, 5, 3, 3, 1]
11273 );
11274 assert_eq!(out[0].color, text_color); // "Hello"
11275 assert_eq!(
11276 out[2].color,
11277 ensure_minimum_contrast(text_color, bg1, min_contrast)
11278 ); // "π "
11279 assert_eq!(
11280 out[3].color,
11281 ensure_minimum_contrast(text_color, bg1, min_contrast)
11282 ); // "δΈ"
11283 assert_eq!(out[4].color, text_color); // "η"
11284 assert_eq!(out[5].color, text_color); // "!"
11285 }
11286}