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 buffer_rows
3010 .iter()
3011 .enumerate()
3012 .map(|(ix, row_info)| {
3013 let ExpandInfo {
3014 excerpt_id,
3015 direction,
3016 } = row_info.expand_info?;
3017
3018 let icon_name = match direction {
3019 ExpandExcerptDirection::Up => IconName::ExpandUp,
3020 ExpandExcerptDirection::Down => IconName::ExpandDown,
3021 ExpandExcerptDirection::UpAndDown => IconName::ExpandVertical,
3022 };
3023
3024 let git_gutter_width = Self::gutter_strip_width(line_height);
3025 let available_width = gutter_dimensions.left_padding - git_gutter_width;
3026
3027 let editor = self.editor.clone();
3028 let is_wide = max_line_number_length
3029 >= EditorSettings::get_global(cx).gutter.min_line_number_digits as u32
3030 && row_info
3031 .buffer_row
3032 .is_some_and(|row| (row + 1).ilog10() + 1 == max_line_number_length)
3033 || gutter_dimensions.right_padding == px(0.);
3034
3035 let width = if is_wide {
3036 available_width - px(2.)
3037 } else {
3038 available_width + em_width - px(2.)
3039 };
3040
3041 let toggle = IconButton::new(("expand", ix), icon_name)
3042 .icon_color(Color::Custom(cx.theme().colors().editor_line_number))
3043 .selected_icon_color(Color::Custom(cx.theme().colors().editor_foreground))
3044 .icon_size(IconSize::Custom(rems(editor_font_size / window.rem_size())))
3045 .width(width)
3046 .on_click(move |_, window, cx| {
3047 editor.update(cx, |editor, cx| {
3048 editor.expand_excerpt(excerpt_id, direction, window, cx);
3049 });
3050 })
3051 .tooltip(Tooltip::for_action_title(
3052 "Expand Excerpt",
3053 &crate::actions::ExpandExcerpts::default(),
3054 ))
3055 .into_any_element();
3056
3057 let position = point(
3058 git_gutter_width + px(1.),
3059 ix as f32 * line_height - (scroll_top % line_height) + px(1.),
3060 );
3061 let origin = gutter_hitbox.origin + position;
3062
3063 Some((toggle, origin))
3064 })
3065 .collect()
3066 }
3067
3068 fn calculate_relative_line_numbers(
3069 &self,
3070 snapshot: &EditorSnapshot,
3071 rows: &Range<DisplayRow>,
3072 relative_to: Option<DisplayRow>,
3073 ) -> HashMap<DisplayRow, DisplayRowDelta> {
3074 let mut relative_rows: HashMap<DisplayRow, DisplayRowDelta> = Default::default();
3075 let Some(relative_to) = relative_to else {
3076 return relative_rows;
3077 };
3078
3079 let start = rows.start.min(relative_to);
3080 let end = rows.end.max(relative_to);
3081
3082 let buffer_rows = snapshot
3083 .row_infos(start)
3084 .take(1 + end.minus(start) as usize)
3085 .collect::<Vec<_>>();
3086
3087 let head_idx = relative_to.minus(start);
3088 let mut delta = 1;
3089 let mut i = head_idx + 1;
3090 while i < buffer_rows.len() as u32 {
3091 if buffer_rows[i as usize].buffer_row.is_some() {
3092 if rows.contains(&DisplayRow(i + start.0)) {
3093 relative_rows.insert(DisplayRow(i + start.0), delta);
3094 }
3095 delta += 1;
3096 }
3097 i += 1;
3098 }
3099 delta = 1;
3100 i = head_idx.min(buffer_rows.len() as u32 - 1);
3101 while i > 0 && buffer_rows[i as usize].buffer_row.is_none() {
3102 i -= 1;
3103 }
3104
3105 while i > 0 {
3106 i -= 1;
3107 if buffer_rows[i as usize].buffer_row.is_some() {
3108 if rows.contains(&DisplayRow(i + start.0)) {
3109 relative_rows.insert(DisplayRow(i + start.0), delta);
3110 }
3111 delta += 1;
3112 }
3113 }
3114
3115 relative_rows
3116 }
3117
3118 fn layout_line_numbers(
3119 &self,
3120 gutter_hitbox: Option<&Hitbox>,
3121 gutter_dimensions: GutterDimensions,
3122 line_height: Pixels,
3123 scroll_position: gpui::Point<f32>,
3124 rows: Range<DisplayRow>,
3125 buffer_rows: &[RowInfo],
3126 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3127 newest_selection_head: Option<DisplayPoint>,
3128 snapshot: &EditorSnapshot,
3129 window: &mut Window,
3130 cx: &mut App,
3131 ) -> Arc<HashMap<MultiBufferRow, LineNumberLayout>> {
3132 let include_line_numbers = snapshot
3133 .show_line_numbers
3134 .unwrap_or_else(|| EditorSettings::get_global(cx).gutter.line_numbers);
3135 if !include_line_numbers {
3136 return Arc::default();
3137 }
3138
3139 let (newest_selection_head, is_relative) = self.editor.update(cx, |editor, cx| {
3140 let newest_selection_head = newest_selection_head.unwrap_or_else(|| {
3141 let newest = editor.selections.newest::<Point>(cx);
3142 SelectionLayout::new(
3143 newest,
3144 editor.selections.line_mode,
3145 editor.cursor_shape,
3146 &snapshot.display_snapshot,
3147 true,
3148 true,
3149 None,
3150 )
3151 .head
3152 });
3153 let is_relative = editor.should_use_relative_line_numbers(cx);
3154 (newest_selection_head, is_relative)
3155 });
3156
3157 let relative_to = if is_relative {
3158 Some(newest_selection_head.row())
3159 } else {
3160 None
3161 };
3162 let relative_rows = self.calculate_relative_line_numbers(snapshot, &rows, relative_to);
3163 let mut line_number = String::new();
3164 let line_numbers = buffer_rows
3165 .iter()
3166 .enumerate()
3167 .flat_map(|(ix, row_info)| {
3168 let display_row = DisplayRow(rows.start.0 + ix as u32);
3169 line_number.clear();
3170 let non_relative_number = row_info.buffer_row? + 1;
3171 let number = relative_rows
3172 .get(&display_row)
3173 .unwrap_or(&non_relative_number);
3174 write!(&mut line_number, "{number}").unwrap();
3175 if row_info
3176 .diff_status
3177 .is_some_and(|status| status.is_deleted())
3178 {
3179 return None;
3180 }
3181
3182 let color = active_rows
3183 .get(&display_row)
3184 .map(|spec| {
3185 if spec.breakpoint {
3186 cx.theme().colors().debugger_accent
3187 } else {
3188 cx.theme().colors().editor_active_line_number
3189 }
3190 })
3191 .unwrap_or_else(|| cx.theme().colors().editor_line_number);
3192 let shaped_line =
3193 self.shape_line_number(SharedString::from(&line_number), color, window);
3194 let scroll_top = scroll_position.y * line_height;
3195 let line_origin = gutter_hitbox.map(|hitbox| {
3196 hitbox.origin
3197 + point(
3198 hitbox.size.width - shaped_line.width - gutter_dimensions.right_padding,
3199 ix as f32 * line_height - (scroll_top % line_height),
3200 )
3201 });
3202
3203 #[cfg(not(test))]
3204 let hitbox = line_origin.map(|line_origin| {
3205 window.insert_hitbox(
3206 Bounds::new(line_origin, size(shaped_line.width, line_height)),
3207 HitboxBehavior::Normal,
3208 )
3209 });
3210 #[cfg(test)]
3211 let hitbox = {
3212 let _ = line_origin;
3213 None
3214 };
3215
3216 let multi_buffer_row = DisplayPoint::new(display_row, 0).to_point(snapshot).row;
3217 let multi_buffer_row = MultiBufferRow(multi_buffer_row);
3218 let line_number = LineNumberLayout {
3219 shaped_line,
3220 hitbox,
3221 };
3222 Some((multi_buffer_row, line_number))
3223 })
3224 .collect();
3225 Arc::new(line_numbers)
3226 }
3227
3228 fn layout_crease_toggles(
3229 &self,
3230 rows: Range<DisplayRow>,
3231 row_infos: &[RowInfo],
3232 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3233 snapshot: &EditorSnapshot,
3234 window: &mut Window,
3235 cx: &mut App,
3236 ) -> Vec<Option<AnyElement>> {
3237 let include_fold_statuses = EditorSettings::get_global(cx).gutter.folds
3238 && snapshot.mode.is_full()
3239 && self.editor.read(cx).is_singleton(cx);
3240 if include_fold_statuses {
3241 row_infos
3242 .iter()
3243 .enumerate()
3244 .map(|(ix, info)| {
3245 if info.expand_info.is_some() {
3246 return None;
3247 }
3248 let row = info.multibuffer_row?;
3249 let display_row = DisplayRow(rows.start.0 + ix as u32);
3250 let active = active_rows.contains_key(&display_row);
3251
3252 snapshot.render_crease_toggle(row, active, self.editor.clone(), window, cx)
3253 })
3254 .collect()
3255 } else {
3256 Vec::new()
3257 }
3258 }
3259
3260 fn layout_crease_trailers(
3261 &self,
3262 buffer_rows: impl IntoIterator<Item = RowInfo>,
3263 snapshot: &EditorSnapshot,
3264 window: &mut Window,
3265 cx: &mut App,
3266 ) -> Vec<Option<AnyElement>> {
3267 buffer_rows
3268 .into_iter()
3269 .map(|row_info| {
3270 if row_info.expand_info.is_some() {
3271 return None;
3272 }
3273 if let Some(row) = row_info.multibuffer_row {
3274 snapshot.render_crease_trailer(row, window, cx)
3275 } else {
3276 None
3277 }
3278 })
3279 .collect()
3280 }
3281
3282 fn bg_segments_per_row(
3283 rows: Range<DisplayRow>,
3284 selections: &[(PlayerColor, Vec<SelectionLayout>)],
3285 highlight_ranges: &[(Range<DisplayPoint>, Hsla)],
3286 base_background: Hsla,
3287 ) -> Vec<Vec<(Range<DisplayPoint>, Hsla)>> {
3288 if rows.start >= rows.end {
3289 return Vec::new();
3290 }
3291 if !base_background.is_opaque() {
3292 // We don't actually know what color is behind this editor.
3293 return Vec::new();
3294 }
3295 let highlight_iter = highlight_ranges.iter().cloned();
3296 let selection_iter = selections.iter().flat_map(|(player_color, layouts)| {
3297 let color = player_color.selection;
3298 layouts.iter().filter_map(move |selection_layout| {
3299 if selection_layout.range.start != selection_layout.range.end {
3300 Some((selection_layout.range.clone(), color))
3301 } else {
3302 None
3303 }
3304 })
3305 });
3306 let mut per_row_map = vec![Vec::new(); rows.len()];
3307 for (range, color) in highlight_iter.chain(selection_iter) {
3308 let covered_rows = if range.end.column() == 0 {
3309 cmp::max(range.start.row(), rows.start)..cmp::min(range.end.row(), rows.end)
3310 } else {
3311 cmp::max(range.start.row(), rows.start)
3312 ..cmp::min(range.end.row().next_row(), rows.end)
3313 };
3314 for row in covered_rows.iter_rows() {
3315 let seg_start = if row == range.start.row() {
3316 range.start
3317 } else {
3318 DisplayPoint::new(row, 0)
3319 };
3320 let seg_end = if row == range.end.row() && range.end.column() != 0 {
3321 range.end
3322 } else {
3323 DisplayPoint::new(row, u32::MAX)
3324 };
3325 let ix = row.minus(rows.start) as usize;
3326 debug_assert!(row >= rows.start && row < rows.end);
3327 debug_assert!(ix < per_row_map.len());
3328 per_row_map[ix].push((seg_start..seg_end, color));
3329 }
3330 }
3331 for row_segments in per_row_map.iter_mut() {
3332 if row_segments.is_empty() {
3333 continue;
3334 }
3335 let segments = mem::take(row_segments);
3336 let merged = Self::merge_overlapping_ranges(segments, base_background);
3337 *row_segments = merged;
3338 }
3339 per_row_map
3340 }
3341
3342 /// Merge overlapping ranges by splitting at all range boundaries and blending colors where
3343 /// multiple ranges overlap. The result contains non-overlapping ranges ordered from left to right.
3344 ///
3345 /// Expects `start.row() == end.row()` for each range.
3346 fn merge_overlapping_ranges(
3347 ranges: Vec<(Range<DisplayPoint>, Hsla)>,
3348 base_background: Hsla,
3349 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
3350 struct Boundary {
3351 pos: DisplayPoint,
3352 is_start: bool,
3353 index: usize,
3354 color: Hsla,
3355 }
3356
3357 let mut boundaries: SmallVec<[Boundary; 16]> = SmallVec::with_capacity(ranges.len() * 2);
3358 for (index, (range, color)) in ranges.iter().enumerate() {
3359 debug_assert!(
3360 range.start.row() == range.end.row(),
3361 "expects single-row ranges"
3362 );
3363 if range.start < range.end {
3364 boundaries.push(Boundary {
3365 pos: range.start,
3366 is_start: true,
3367 index,
3368 color: *color,
3369 });
3370 boundaries.push(Boundary {
3371 pos: range.end,
3372 is_start: false,
3373 index,
3374 color: *color,
3375 });
3376 }
3377 }
3378
3379 if boundaries.is_empty() {
3380 return Vec::new();
3381 }
3382
3383 boundaries
3384 .sort_unstable_by(|a, b| a.pos.cmp(&b.pos).then_with(|| a.is_start.cmp(&b.is_start)));
3385
3386 let mut processed_ranges: Vec<(Range<DisplayPoint>, Hsla)> = Vec::new();
3387 let mut active_ranges: SmallVec<[(usize, Hsla); 8]> = SmallVec::new();
3388
3389 let mut i = 0;
3390 let mut start_pos = boundaries[0].pos;
3391
3392 let boundaries_len = boundaries.len();
3393 while i < boundaries_len {
3394 let current_boundary_pos = boundaries[i].pos;
3395 if start_pos < current_boundary_pos {
3396 if !active_ranges.is_empty() {
3397 let mut color = base_background;
3398 for &(_, c) in &active_ranges {
3399 color = Hsla::blend(color, c);
3400 }
3401 if let Some((last_range, last_color)) = processed_ranges.last_mut() {
3402 if *last_color == color && last_range.end == start_pos {
3403 last_range.end = current_boundary_pos;
3404 } else {
3405 processed_ranges.push((start_pos..current_boundary_pos, color));
3406 }
3407 } else {
3408 processed_ranges.push((start_pos..current_boundary_pos, color));
3409 }
3410 }
3411 }
3412 while i < boundaries_len && boundaries[i].pos == current_boundary_pos {
3413 let active_range = &boundaries[i];
3414 if active_range.is_start {
3415 let idx = active_range.index;
3416 let pos = active_ranges
3417 .binary_search_by_key(&idx, |(i, _)| *i)
3418 .unwrap_or_else(|p| p);
3419 active_ranges.insert(pos, (idx, active_range.color));
3420 } else {
3421 let idx = active_range.index;
3422 if let Ok(pos) = active_ranges.binary_search_by_key(&idx, |(i, _)| *i) {
3423 active_ranges.remove(pos);
3424 }
3425 }
3426 i += 1;
3427 }
3428 start_pos = current_boundary_pos;
3429 }
3430
3431 processed_ranges
3432 }
3433
3434 fn layout_lines(
3435 rows: Range<DisplayRow>,
3436 snapshot: &EditorSnapshot,
3437 style: &EditorStyle,
3438 editor_width: Pixels,
3439 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3440 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
3441 window: &mut Window,
3442 cx: &mut App,
3443 ) -> Vec<LineWithInvisibles> {
3444 if rows.start >= rows.end {
3445 return Vec::new();
3446 }
3447
3448 // Show the placeholder when the editor is empty
3449 if snapshot.is_empty() {
3450 let font_size = style.text.font_size.to_pixels(window.rem_size());
3451 let placeholder_color = cx.theme().colors().text_placeholder;
3452 let placeholder_text = snapshot.placeholder_text();
3453
3454 let placeholder_lines = placeholder_text
3455 .as_ref()
3456 .map_or("", AsRef::as_ref)
3457 .split('\n')
3458 .skip(rows.start.0 as usize)
3459 .chain(iter::repeat(""))
3460 .take(rows.len());
3461 placeholder_lines
3462 .map(move |line| {
3463 let run = TextRun {
3464 len: line.len(),
3465 font: style.text.font(),
3466 color: placeholder_color,
3467 background_color: None,
3468 underline: None,
3469 strikethrough: None,
3470 };
3471 let line = window.text_system().shape_line(
3472 line.to_string().into(),
3473 font_size,
3474 &[run],
3475 None,
3476 );
3477 LineWithInvisibles {
3478 width: line.width,
3479 len: line.len,
3480 fragments: smallvec![LineFragment::Text(line)],
3481 invisibles: Vec::new(),
3482 font_size,
3483 }
3484 })
3485 .collect()
3486 } else {
3487 let chunks = snapshot.highlighted_chunks(rows.clone(), true, style);
3488 LineWithInvisibles::from_chunks(
3489 chunks,
3490 style,
3491 MAX_LINE_LEN,
3492 rows.len(),
3493 &snapshot.mode,
3494 editor_width,
3495 is_row_soft_wrapped,
3496 bg_segments_per_row,
3497 window,
3498 cx,
3499 )
3500 }
3501 }
3502
3503 fn prepaint_lines(
3504 &self,
3505 start_row: DisplayRow,
3506 line_layouts: &mut [LineWithInvisibles],
3507 line_height: Pixels,
3508 scroll_pixel_position: gpui::Point<Pixels>,
3509 content_origin: gpui::Point<Pixels>,
3510 window: &mut Window,
3511 cx: &mut App,
3512 ) -> SmallVec<[AnyElement; 1]> {
3513 let mut line_elements = SmallVec::new();
3514 for (ix, line) in line_layouts.iter_mut().enumerate() {
3515 let row = start_row + DisplayRow(ix as u32);
3516 line.prepaint(
3517 line_height,
3518 scroll_pixel_position,
3519 row,
3520 content_origin,
3521 &mut line_elements,
3522 window,
3523 cx,
3524 );
3525 }
3526 line_elements
3527 }
3528
3529 fn render_block(
3530 &self,
3531 block: &Block,
3532 available_width: AvailableSpace,
3533 block_id: BlockId,
3534 block_row_start: DisplayRow,
3535 snapshot: &EditorSnapshot,
3536 text_x: Pixels,
3537 rows: &Range<DisplayRow>,
3538 line_layouts: &[LineWithInvisibles],
3539 editor_margins: &EditorMargins,
3540 line_height: Pixels,
3541 em_width: Pixels,
3542 text_hitbox: &Hitbox,
3543 editor_width: Pixels,
3544 scroll_width: &mut Pixels,
3545 resized_blocks: &mut HashMap<CustomBlockId, u32>,
3546 row_block_types: &mut HashMap<DisplayRow, bool>,
3547 selections: &[Selection<Point>],
3548 selected_buffer_ids: &Vec<BufferId>,
3549 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3550 sticky_header_excerpt_id: Option<ExcerptId>,
3551 window: &mut Window,
3552 cx: &mut App,
3553 ) -> Option<(AnyElement, Size<Pixels>, DisplayRow, Pixels)> {
3554 let mut x_position = None;
3555 let mut element = match block {
3556 Block::Custom(custom) => {
3557 let block_start = custom.start().to_point(&snapshot.buffer_snapshot);
3558 let block_end = custom.end().to_point(&snapshot.buffer_snapshot);
3559 if block.place_near() && snapshot.is_line_folded(MultiBufferRow(block_start.row)) {
3560 return None;
3561 }
3562 let align_to = block_start.to_display_point(snapshot);
3563 let x_and_width = |layout: &LineWithInvisibles| {
3564 Some((
3565 text_x + layout.x_for_index(align_to.column() as usize),
3566 text_x + layout.width,
3567 ))
3568 };
3569 let line_ix = align_to.row().0.checked_sub(rows.start.0);
3570 x_position =
3571 if let Some(layout) = line_ix.and_then(|ix| line_layouts.get(ix as usize)) {
3572 x_and_width(layout)
3573 } else {
3574 x_and_width(&layout_line(
3575 align_to.row(),
3576 snapshot,
3577 &self.style,
3578 editor_width,
3579 is_row_soft_wrapped,
3580 window,
3581 cx,
3582 ))
3583 };
3584
3585 let anchor_x = x_position.unwrap().0;
3586
3587 let selected = selections
3588 .binary_search_by(|selection| {
3589 if selection.end <= block_start {
3590 Ordering::Less
3591 } else if selection.start >= block_end {
3592 Ordering::Greater
3593 } else {
3594 Ordering::Equal
3595 }
3596 })
3597 .is_ok();
3598
3599 div()
3600 .size_full()
3601 .child(custom.render(&mut BlockContext {
3602 window,
3603 app: cx,
3604 anchor_x,
3605 margins: editor_margins,
3606 line_height,
3607 em_width,
3608 block_id,
3609 selected,
3610 max_width: text_hitbox.size.width.max(*scroll_width),
3611 editor_style: &self.style,
3612 }))
3613 .into_any()
3614 }
3615
3616 Block::FoldedBuffer {
3617 first_excerpt,
3618 height,
3619 ..
3620 } => {
3621 let selected = selected_buffer_ids.contains(&first_excerpt.buffer_id);
3622 let result = v_flex().id(block_id).w_full().pr(editor_margins.right);
3623
3624 let jump_data = header_jump_data(snapshot, block_row_start, *height, first_excerpt);
3625 result
3626 .child(self.render_buffer_header(
3627 first_excerpt,
3628 true,
3629 selected,
3630 false,
3631 jump_data,
3632 window,
3633 cx,
3634 ))
3635 .into_any_element()
3636 }
3637
3638 Block::ExcerptBoundary { .. } => {
3639 let color = cx.theme().colors().clone();
3640 let mut result = v_flex().id(block_id).w_full();
3641
3642 result = result.child(
3643 h_flex().relative().child(
3644 div()
3645 .top(line_height / 2.)
3646 .absolute()
3647 .w_full()
3648 .h_px()
3649 .bg(color.border_variant),
3650 ),
3651 );
3652
3653 result.into_any()
3654 }
3655
3656 Block::BufferHeader { excerpt, height } => {
3657 let mut result = v_flex().id(block_id).w_full();
3658
3659 let jump_data = header_jump_data(snapshot, block_row_start, *height, excerpt);
3660
3661 if sticky_header_excerpt_id != Some(excerpt.id) {
3662 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
3663
3664 result = result.child(div().pr(editor_margins.right).child(
3665 self.render_buffer_header(
3666 excerpt, false, selected, false, jump_data, window, cx,
3667 ),
3668 ));
3669 } else {
3670 result =
3671 result.child(div().h(FILE_HEADER_HEIGHT as f32 * window.line_height()));
3672 }
3673
3674 result.into_any()
3675 }
3676 };
3677
3678 // Discover the element's content height, then round up to the nearest multiple of line height.
3679 let preliminary_size = element.layout_as_root(
3680 size(available_width, AvailableSpace::MinContent),
3681 window,
3682 cx,
3683 );
3684 let quantized_height = (preliminary_size.height / line_height).ceil() * line_height;
3685 let final_size = if preliminary_size.height == quantized_height {
3686 preliminary_size
3687 } else {
3688 element.layout_as_root(size(available_width, quantized_height.into()), window, cx)
3689 };
3690 let mut element_height_in_lines = ((final_size.height / line_height).ceil() as u32).max(1);
3691
3692 let mut row = block_row_start;
3693 let mut x_offset = px(0.);
3694 let mut is_block = true;
3695
3696 if let BlockId::Custom(custom_block_id) = block_id
3697 && block.has_height()
3698 {
3699 if block.place_near()
3700 && let Some((x_target, line_width)) = x_position
3701 {
3702 let margin = em_width * 2;
3703 if line_width + final_size.width + margin
3704 < editor_width + editor_margins.gutter.full_width()
3705 && !row_block_types.contains_key(&(row - 1))
3706 && element_height_in_lines == 1
3707 {
3708 x_offset = line_width + margin;
3709 row = row - 1;
3710 is_block = false;
3711 element_height_in_lines = 0;
3712 row_block_types.insert(row, is_block);
3713 } else {
3714 let max_offset =
3715 editor_width + editor_margins.gutter.full_width() - final_size.width;
3716 let min_offset = (x_target + em_width - final_size.width)
3717 .max(editor_margins.gutter.full_width());
3718 x_offset = x_target.min(max_offset).max(min_offset);
3719 }
3720 };
3721 if element_height_in_lines != block.height() {
3722 resized_blocks.insert(custom_block_id, element_height_in_lines);
3723 }
3724 }
3725 for i in 0..element_height_in_lines {
3726 row_block_types.insert(row + i, is_block);
3727 }
3728
3729 Some((element, final_size, row, x_offset))
3730 }
3731
3732 fn render_buffer_header(
3733 &self,
3734 for_excerpt: &ExcerptInfo,
3735 is_folded: bool,
3736 is_selected: bool,
3737 is_sticky: bool,
3738 jump_data: JumpData,
3739 window: &mut Window,
3740 cx: &mut App,
3741 ) -> impl IntoElement {
3742 let editor = self.editor.read(cx);
3743 let multi_buffer = editor.buffer.read(cx);
3744 let file_status = multi_buffer
3745 .all_diff_hunks_expanded()
3746 .then(|| {
3747 editor
3748 .project
3749 .as_ref()?
3750 .read(cx)
3751 .status_for_buffer_id(for_excerpt.buffer_id, cx)
3752 })
3753 .flatten();
3754 let indicator = multi_buffer
3755 .buffer(for_excerpt.buffer_id)
3756 .and_then(|buffer| {
3757 let buffer = buffer.read(cx);
3758 let indicator_color = match (buffer.has_conflict(), buffer.is_dirty()) {
3759 (true, _) => Some(Color::Warning),
3760 (_, true) => Some(Color::Accent),
3761 (false, false) => None,
3762 };
3763 indicator_color.map(|indicator_color| Indicator::dot().color(indicator_color))
3764 });
3765
3766 let include_root = editor
3767 .project
3768 .as_ref()
3769 .map(|project| project.read(cx).visible_worktrees(cx).count() > 1)
3770 .unwrap_or_default();
3771 let can_open_excerpts = Editor::can_open_excerpts_in_file(for_excerpt.buffer.file());
3772 let relative_path = for_excerpt.buffer.resolve_file_path(cx, include_root);
3773 let filename = relative_path
3774 .as_ref()
3775 .and_then(|path| Some(path.file_name()?.to_string_lossy().to_string()));
3776 let parent_path = relative_path.as_ref().and_then(|path| {
3777 Some(path.parent()?.to_string_lossy().to_string() + std::path::MAIN_SEPARATOR_STR)
3778 });
3779 let focus_handle = editor.focus_handle(cx);
3780 let colors = cx.theme().colors();
3781
3782 let header = div()
3783 .p_1()
3784 .w_full()
3785 .h(FILE_HEADER_HEIGHT as f32 * window.line_height())
3786 .child(
3787 h_flex()
3788 .size_full()
3789 .gap_2()
3790 .flex_basis(Length::Definite(DefiniteLength::Fraction(0.667)))
3791 .pl_0p5()
3792 .pr_5()
3793 .rounded_sm()
3794 .when(is_sticky, |el| el.shadow_md())
3795 .border_1()
3796 .map(|div| {
3797 let border_color = if is_selected
3798 && is_folded
3799 && focus_handle.contains_focused(window, cx)
3800 {
3801 colors.border_focused
3802 } else {
3803 colors.border
3804 };
3805 div.border_color(border_color)
3806 })
3807 .bg(colors.editor_subheader_background)
3808 .hover(|style| style.bg(colors.element_hover))
3809 .map(|header| {
3810 let editor = self.editor.clone();
3811 let buffer_id = for_excerpt.buffer_id;
3812 let toggle_chevron_icon =
3813 FileIcons::get_chevron_icon(!is_folded, cx).map(Icon::from_path);
3814 header.child(
3815 div()
3816 .hover(|style| style.bg(colors.element_selected))
3817 .rounded_xs()
3818 .child(
3819 ButtonLike::new("toggle-buffer-fold")
3820 .style(ui::ButtonStyle::Transparent)
3821 .height(px(28.).into())
3822 .width(px(28.))
3823 .children(toggle_chevron_icon)
3824 .tooltip({
3825 let focus_handle = focus_handle.clone();
3826 move |window, cx| {
3827 Tooltip::with_meta_in(
3828 "Toggle Excerpt Fold",
3829 Some(&ToggleFold),
3830 "Alt+click to toggle all",
3831 &focus_handle,
3832 window,
3833 cx,
3834 )
3835 }
3836 })
3837 .on_click(move |event, window, cx| {
3838 if event.modifiers().alt {
3839 // Alt+click toggles all buffers
3840 editor.update(cx, |editor, cx| {
3841 editor.toggle_fold_all(
3842 &ToggleFoldAll,
3843 window,
3844 cx,
3845 );
3846 });
3847 } else {
3848 // Regular click toggles single buffer
3849 if is_folded {
3850 editor.update(cx, |editor, cx| {
3851 editor.unfold_buffer(buffer_id, cx);
3852 });
3853 } else {
3854 editor.update(cx, |editor, cx| {
3855 editor.fold_buffer(buffer_id, cx);
3856 });
3857 }
3858 }
3859 }),
3860 ),
3861 )
3862 })
3863 .children(
3864 editor
3865 .addons
3866 .values()
3867 .filter_map(|addon| {
3868 addon.render_buffer_header_controls(for_excerpt, window, cx)
3869 })
3870 .take(1),
3871 )
3872 .child(
3873 h_flex()
3874 .size(Pixels(12.0))
3875 .justify_center()
3876 .children(indicator),
3877 )
3878 .child(
3879 h_flex()
3880 .cursor_pointer()
3881 .id("path header block")
3882 .size_full()
3883 .justify_between()
3884 .overflow_hidden()
3885 .child(
3886 h_flex()
3887 .gap_2()
3888 .map(|path_header| {
3889 let filename = filename
3890 .map(SharedString::from)
3891 .unwrap_or_else(|| "untitled".into());
3892
3893 path_header
3894 .when(ItemSettings::get_global(cx).file_icons, |el| {
3895 let path = path::Path::new(filename.as_str());
3896 let icon = FileIcons::get_icon(path, cx)
3897 .unwrap_or_default();
3898 let icon =
3899 Icon::from_path(icon).color(Color::Muted);
3900 el.child(icon)
3901 })
3902 .child(Label::new(filename).single_line().when_some(
3903 file_status,
3904 |el, status| {
3905 el.color(if status.is_conflicted() {
3906 Color::Conflict
3907 } else if status.is_modified() {
3908 Color::Modified
3909 } else if status.is_deleted() {
3910 Color::Disabled
3911 } else {
3912 Color::Created
3913 })
3914 .when(status.is_deleted(), |el| {
3915 el.strikethrough()
3916 })
3917 },
3918 ))
3919 })
3920 .when_some(parent_path, |then, path| {
3921 then.child(div().child(path).text_color(
3922 if file_status.is_some_and(FileStatus::is_deleted) {
3923 colors.text_disabled
3924 } else {
3925 colors.text_muted
3926 },
3927 ))
3928 }),
3929 )
3930 .when(
3931 can_open_excerpts && is_selected && relative_path.is_some(),
3932 |el| {
3933 el.child(
3934 h_flex()
3935 .id("jump-to-file-button")
3936 .gap_2p5()
3937 .child(Label::new("Jump To File"))
3938 .children(
3939 KeyBinding::for_action_in(
3940 &OpenExcerpts,
3941 &focus_handle,
3942 window,
3943 cx,
3944 )
3945 .map(|binding| binding.into_any_element()),
3946 ),
3947 )
3948 },
3949 )
3950 .on_mouse_down(MouseButton::Left, |_, _, cx| cx.stop_propagation())
3951 .on_click(window.listener_for(&self.editor, {
3952 move |editor, e: &ClickEvent, window, cx| {
3953 editor.open_excerpts_common(
3954 Some(jump_data.clone()),
3955 e.modifiers().secondary(),
3956 window,
3957 cx,
3958 );
3959 }
3960 })),
3961 ),
3962 );
3963
3964 let file = for_excerpt.buffer.file().cloned();
3965 let editor = self.editor.clone();
3966 right_click_menu("buffer-header-context-menu")
3967 .trigger(move |_, _, _| header)
3968 .menu(move |window, cx| {
3969 let menu_context = focus_handle.clone();
3970 let editor = editor.clone();
3971 let file = file.clone();
3972 ContextMenu::build(window, cx, move |mut menu, window, cx| {
3973 if let Some(file) = file
3974 && let Some(project) = editor.read(cx).project()
3975 && let Some(worktree) =
3976 project.read(cx).worktree_for_id(file.worktree_id(cx), cx)
3977 {
3978 let worktree = worktree.read(cx);
3979 let relative_path = file.path();
3980 let entry_for_path = worktree.entry_for_path(relative_path);
3981 let abs_path = entry_for_path.map(|e| {
3982 e.canonical_path.as_deref().map_or_else(
3983 || worktree.abs_path().join(relative_path),
3984 Path::to_path_buf,
3985 )
3986 });
3987 let has_relative_path = worktree.root_entry().is_some_and(Entry::is_dir);
3988
3989 let parent_abs_path = abs_path
3990 .as_ref()
3991 .and_then(|abs_path| Some(abs_path.parent()?.to_path_buf()));
3992 let relative_path = has_relative_path
3993 .then_some(relative_path)
3994 .map(ToOwned::to_owned);
3995
3996 let visible_in_project_panel =
3997 relative_path.is_some() && worktree.is_visible();
3998 let reveal_in_project_panel = entry_for_path
3999 .filter(|_| visible_in_project_panel)
4000 .map(|entry| entry.id);
4001 menu = menu
4002 .when_some(abs_path, |menu, abs_path| {
4003 menu.entry(
4004 "Copy Path",
4005 Some(Box::new(zed_actions::workspace::CopyPath)),
4006 window.handler_for(&editor, move |_, _, cx| {
4007 cx.write_to_clipboard(ClipboardItem::new_string(
4008 abs_path.to_string_lossy().to_string(),
4009 ));
4010 }),
4011 )
4012 })
4013 .when_some(relative_path, |menu, relative_path| {
4014 menu.entry(
4015 "Copy Relative Path",
4016 Some(Box::new(zed_actions::workspace::CopyRelativePath)),
4017 window.handler_for(&editor, move |_, _, cx| {
4018 cx.write_to_clipboard(ClipboardItem::new_string(
4019 relative_path.to_string_lossy().to_string(),
4020 ));
4021 }),
4022 )
4023 })
4024 .when(
4025 reveal_in_project_panel.is_some() || parent_abs_path.is_some(),
4026 |menu| menu.separator(),
4027 )
4028 .when_some(reveal_in_project_panel, |menu, entry_id| {
4029 menu.entry(
4030 "Reveal In Project Panel",
4031 Some(Box::new(RevealInProjectPanel::default())),
4032 window.handler_for(&editor, move |editor, _, cx| {
4033 if let Some(project) = &mut editor.project {
4034 project.update(cx, |_, cx| {
4035 cx.emit(project::Event::RevealInProjectPanel(
4036 entry_id,
4037 ))
4038 });
4039 }
4040 }),
4041 )
4042 })
4043 .when_some(parent_abs_path, |menu, parent_abs_path| {
4044 menu.entry(
4045 "Open in Terminal",
4046 Some(Box::new(OpenInTerminal)),
4047 window.handler_for(&editor, move |_, window, cx| {
4048 window.dispatch_action(
4049 OpenTerminal {
4050 working_directory: parent_abs_path.clone(),
4051 }
4052 .boxed_clone(),
4053 cx,
4054 );
4055 }),
4056 )
4057 });
4058 }
4059
4060 menu.context(menu_context)
4061 })
4062 })
4063 }
4064
4065 fn render_blocks(
4066 &self,
4067 rows: Range<DisplayRow>,
4068 snapshot: &EditorSnapshot,
4069 hitbox: &Hitbox,
4070 text_hitbox: &Hitbox,
4071 editor_width: Pixels,
4072 scroll_width: &mut Pixels,
4073 editor_margins: &EditorMargins,
4074 em_width: Pixels,
4075 text_x: Pixels,
4076 line_height: Pixels,
4077 line_layouts: &mut [LineWithInvisibles],
4078 selections: &[Selection<Point>],
4079 selected_buffer_ids: &Vec<BufferId>,
4080 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
4081 sticky_header_excerpt_id: Option<ExcerptId>,
4082 window: &mut Window,
4083 cx: &mut App,
4084 ) -> Result<(Vec<BlockLayout>, HashMap<DisplayRow, bool>), HashMap<CustomBlockId, u32>> {
4085 let (fixed_blocks, non_fixed_blocks) = snapshot
4086 .blocks_in_range(rows.clone())
4087 .partition::<Vec<_>, _>(|(_, block)| block.style() == BlockStyle::Fixed);
4088
4089 let mut focused_block = self
4090 .editor
4091 .update(cx, |editor, _| editor.take_focused_block());
4092 let mut fixed_block_max_width = Pixels::ZERO;
4093 let mut blocks = Vec::new();
4094 let mut resized_blocks = HashMap::default();
4095 let mut row_block_types = HashMap::default();
4096
4097 for (row, block) in fixed_blocks {
4098 let block_id = block.id();
4099
4100 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4101 focused_block = None;
4102 }
4103
4104 if let Some((element, element_size, row, x_offset)) = self.render_block(
4105 block,
4106 AvailableSpace::MinContent,
4107 block_id,
4108 row,
4109 snapshot,
4110 text_x,
4111 &rows,
4112 line_layouts,
4113 editor_margins,
4114 line_height,
4115 em_width,
4116 text_hitbox,
4117 editor_width,
4118 scroll_width,
4119 &mut resized_blocks,
4120 &mut row_block_types,
4121 selections,
4122 selected_buffer_ids,
4123 is_row_soft_wrapped,
4124 sticky_header_excerpt_id,
4125 window,
4126 cx,
4127 ) {
4128 fixed_block_max_width = fixed_block_max_width.max(element_size.width + em_width);
4129 blocks.push(BlockLayout {
4130 id: block_id,
4131 x_offset,
4132 row: Some(row),
4133 element,
4134 available_space: size(AvailableSpace::MinContent, element_size.height.into()),
4135 style: BlockStyle::Fixed,
4136 overlaps_gutter: true,
4137 is_buffer_header: block.is_buffer_header(),
4138 });
4139 }
4140 }
4141
4142 for (row, block) in non_fixed_blocks {
4143 let style = block.style();
4144 let width = match (style, block.place_near()) {
4145 (_, true) => AvailableSpace::MinContent,
4146 (BlockStyle::Sticky, _) => hitbox.size.width.into(),
4147 (BlockStyle::Flex, _) => hitbox
4148 .size
4149 .width
4150 .max(fixed_block_max_width)
4151 .max(editor_margins.gutter.width + *scroll_width)
4152 .into(),
4153 (BlockStyle::Fixed, _) => unreachable!(),
4154 };
4155 let block_id = block.id();
4156
4157 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4158 focused_block = None;
4159 }
4160
4161 if let Some((element, element_size, row, x_offset)) = self.render_block(
4162 block,
4163 width,
4164 block_id,
4165 row,
4166 snapshot,
4167 text_x,
4168 &rows,
4169 line_layouts,
4170 editor_margins,
4171 line_height,
4172 em_width,
4173 text_hitbox,
4174 editor_width,
4175 scroll_width,
4176 &mut resized_blocks,
4177 &mut row_block_types,
4178 selections,
4179 selected_buffer_ids,
4180 is_row_soft_wrapped,
4181 sticky_header_excerpt_id,
4182 window,
4183 cx,
4184 ) {
4185 blocks.push(BlockLayout {
4186 id: block_id,
4187 x_offset,
4188 row: Some(row),
4189 element,
4190 available_space: size(width, element_size.height.into()),
4191 style,
4192 overlaps_gutter: !block.place_near(),
4193 is_buffer_header: block.is_buffer_header(),
4194 });
4195 }
4196 }
4197
4198 if let Some(focused_block) = focused_block
4199 && let Some(focus_handle) = focused_block.focus_handle.upgrade()
4200 && focus_handle.is_focused(window)
4201 && let Some(block) = snapshot.block_for_id(focused_block.id)
4202 {
4203 let style = block.style();
4204 let width = match style {
4205 BlockStyle::Fixed => AvailableSpace::MinContent,
4206 BlockStyle::Flex => AvailableSpace::Definite(
4207 hitbox
4208 .size
4209 .width
4210 .max(fixed_block_max_width)
4211 .max(editor_margins.gutter.width + *scroll_width),
4212 ),
4213 BlockStyle::Sticky => AvailableSpace::Definite(hitbox.size.width),
4214 };
4215
4216 if let Some((element, element_size, _, x_offset)) = self.render_block(
4217 &block,
4218 width,
4219 focused_block.id,
4220 rows.end,
4221 snapshot,
4222 text_x,
4223 &rows,
4224 line_layouts,
4225 editor_margins,
4226 line_height,
4227 em_width,
4228 text_hitbox,
4229 editor_width,
4230 scroll_width,
4231 &mut resized_blocks,
4232 &mut row_block_types,
4233 selections,
4234 selected_buffer_ids,
4235 is_row_soft_wrapped,
4236 sticky_header_excerpt_id,
4237 window,
4238 cx,
4239 ) {
4240 blocks.push(BlockLayout {
4241 id: block.id(),
4242 x_offset,
4243 row: None,
4244 element,
4245 available_space: size(width, element_size.height.into()),
4246 style,
4247 overlaps_gutter: true,
4248 is_buffer_header: block.is_buffer_header(),
4249 });
4250 }
4251 }
4252
4253 if resized_blocks.is_empty() {
4254 *scroll_width =
4255 (*scroll_width).max(fixed_block_max_width - editor_margins.gutter.width);
4256 Ok((blocks, row_block_types))
4257 } else {
4258 Err(resized_blocks)
4259 }
4260 }
4261
4262 fn layout_blocks(
4263 &self,
4264 blocks: &mut Vec<BlockLayout>,
4265 hitbox: &Hitbox,
4266 line_height: Pixels,
4267 scroll_pixel_position: gpui::Point<Pixels>,
4268 window: &mut Window,
4269 cx: &mut App,
4270 ) {
4271 for block in blocks {
4272 let mut origin = if let Some(row) = block.row {
4273 hitbox.origin
4274 + point(
4275 block.x_offset,
4276 row.as_f32() * line_height - scroll_pixel_position.y,
4277 )
4278 } else {
4279 // Position the block outside the visible area
4280 hitbox.origin + point(Pixels::ZERO, hitbox.size.height)
4281 };
4282
4283 if !matches!(block.style, BlockStyle::Sticky) {
4284 origin += point(-scroll_pixel_position.x, Pixels::ZERO);
4285 }
4286
4287 let focus_handle =
4288 block
4289 .element
4290 .prepaint_as_root(origin, block.available_space, window, cx);
4291
4292 if let Some(focus_handle) = focus_handle {
4293 self.editor.update(cx, |editor, _cx| {
4294 editor.set_focused_block(FocusedBlock {
4295 id: block.id,
4296 focus_handle: focus_handle.downgrade(),
4297 });
4298 });
4299 }
4300 }
4301 }
4302
4303 fn layout_sticky_buffer_header(
4304 &self,
4305 StickyHeaderExcerpt { excerpt }: StickyHeaderExcerpt<'_>,
4306 scroll_position: f32,
4307 line_height: Pixels,
4308 right_margin: Pixels,
4309 snapshot: &EditorSnapshot,
4310 hitbox: &Hitbox,
4311 selected_buffer_ids: &Vec<BufferId>,
4312 blocks: &[BlockLayout],
4313 window: &mut Window,
4314 cx: &mut App,
4315 ) -> AnyElement {
4316 let jump_data = header_jump_data(
4317 snapshot,
4318 DisplayRow(scroll_position as u32),
4319 FILE_HEADER_HEIGHT + MULTI_BUFFER_EXCERPT_HEADER_HEIGHT,
4320 excerpt,
4321 );
4322
4323 let editor_bg_color = cx.theme().colors().editor_background;
4324
4325 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
4326
4327 let available_width = hitbox.bounds.size.width - right_margin;
4328
4329 let mut header = v_flex()
4330 .w_full()
4331 .relative()
4332 .child(
4333 div()
4334 .w(available_width)
4335 .h(FILE_HEADER_HEIGHT as f32 * line_height)
4336 .bg(linear_gradient(
4337 0.,
4338 linear_color_stop(editor_bg_color.opacity(0.), 0.),
4339 linear_color_stop(editor_bg_color, 0.6),
4340 ))
4341 .absolute()
4342 .top_0(),
4343 )
4344 .child(
4345 self.render_buffer_header(excerpt, false, selected, true, jump_data, window, cx)
4346 .into_any_element(),
4347 )
4348 .into_any_element();
4349
4350 let mut origin = hitbox.origin;
4351 // Move floating header up to avoid colliding with the next buffer header.
4352 for block in blocks.iter() {
4353 if !block.is_buffer_header {
4354 continue;
4355 }
4356
4357 let Some(display_row) = block.row.filter(|row| row.0 > scroll_position as u32) else {
4358 continue;
4359 };
4360
4361 let max_row = display_row.0.saturating_sub(FILE_HEADER_HEIGHT);
4362 let offset = scroll_position - max_row as f32;
4363
4364 if offset > 0.0 {
4365 origin.y -= offset * line_height;
4366 }
4367 break;
4368 }
4369
4370 let size = size(
4371 AvailableSpace::Definite(available_width),
4372 AvailableSpace::MinContent,
4373 );
4374
4375 header.prepaint_as_root(origin, size, window, cx);
4376
4377 header
4378 }
4379
4380 fn layout_cursor_popovers(
4381 &self,
4382 line_height: Pixels,
4383 text_hitbox: &Hitbox,
4384 content_origin: gpui::Point<Pixels>,
4385 right_margin: Pixels,
4386 start_row: DisplayRow,
4387 scroll_pixel_position: gpui::Point<Pixels>,
4388 line_layouts: &[LineWithInvisibles],
4389 cursor: DisplayPoint,
4390 cursor_point: Point,
4391 style: &EditorStyle,
4392 window: &mut Window,
4393 cx: &mut App,
4394 ) -> Option<ContextMenuLayout> {
4395 let mut min_menu_height = Pixels::ZERO;
4396 let mut max_menu_height = Pixels::ZERO;
4397 let mut height_above_menu = Pixels::ZERO;
4398 let height_below_menu = Pixels::ZERO;
4399 let mut edit_prediction_popover_visible = false;
4400 let mut context_menu_visible = false;
4401 let context_menu_placement;
4402
4403 {
4404 let editor = self.editor.read(cx);
4405 if editor.edit_prediction_visible_in_cursor_popover(editor.has_active_edit_prediction())
4406 {
4407 height_above_menu +=
4408 editor.edit_prediction_cursor_popover_height() + POPOVER_Y_PADDING;
4409 edit_prediction_popover_visible = true;
4410 }
4411
4412 if editor.context_menu_visible()
4413 && let Some(crate::ContextMenuOrigin::Cursor) = editor.context_menu_origin()
4414 {
4415 let (min_height_in_lines, max_height_in_lines) = editor
4416 .context_menu_options
4417 .as_ref()
4418 .map_or((3, 12), |options| {
4419 (options.min_entries_visible, options.max_entries_visible)
4420 });
4421
4422 min_menu_height += line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4423 max_menu_height += line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4424 context_menu_visible = true;
4425 }
4426 context_menu_placement = editor
4427 .context_menu_options
4428 .as_ref()
4429 .and_then(|options| options.placement.clone());
4430 }
4431
4432 let visible = edit_prediction_popover_visible || context_menu_visible;
4433 if !visible {
4434 return None;
4435 }
4436
4437 let cursor_row_layout = &line_layouts[cursor.row().minus(start_row) as usize];
4438 let target_position = content_origin
4439 + gpui::Point {
4440 x: cmp::max(
4441 px(0.),
4442 cursor_row_layout.x_for_index(cursor.column() as usize)
4443 - scroll_pixel_position.x,
4444 ),
4445 y: cmp::max(
4446 px(0.),
4447 cursor.row().next_row().as_f32() * line_height - scroll_pixel_position.y,
4448 ),
4449 };
4450
4451 let viewport_bounds =
4452 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4453 right: -right_margin - MENU_GAP,
4454 ..Default::default()
4455 });
4456
4457 let min_height = height_above_menu + min_menu_height + height_below_menu;
4458 let max_height = height_above_menu + max_menu_height + height_below_menu;
4459 let (laid_out_popovers, y_flipped) = self.layout_popovers_above_or_below_line(
4460 target_position,
4461 line_height,
4462 min_height,
4463 max_height,
4464 context_menu_placement,
4465 text_hitbox,
4466 viewport_bounds,
4467 window,
4468 cx,
4469 |height, max_width_for_stable_x, y_flipped, window, cx| {
4470 // First layout the menu to get its size - others can be at least this wide.
4471 let context_menu = if context_menu_visible {
4472 let menu_height = if y_flipped {
4473 height - height_below_menu
4474 } else {
4475 height - height_above_menu
4476 };
4477 let mut element = self
4478 .render_context_menu(line_height, menu_height, window, cx)
4479 .expect("Visible context menu should always render.");
4480 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4481 Some((CursorPopoverType::CodeContextMenu, element, size))
4482 } else {
4483 None
4484 };
4485 let min_width = context_menu
4486 .as_ref()
4487 .map_or(px(0.), |(_, _, size)| size.width);
4488 let max_width = max_width_for_stable_x.max(
4489 context_menu
4490 .as_ref()
4491 .map_or(px(0.), |(_, _, size)| size.width),
4492 );
4493
4494 let edit_prediction = if edit_prediction_popover_visible {
4495 self.editor.update(cx, move |editor, cx| {
4496 let accept_binding =
4497 editor.accept_edit_prediction_keybind(false, window, cx);
4498 let mut element = editor.render_edit_prediction_cursor_popover(
4499 min_width,
4500 max_width,
4501 cursor_point,
4502 style,
4503 accept_binding.keystroke(),
4504 window,
4505 cx,
4506 )?;
4507 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4508 Some((CursorPopoverType::EditPrediction, element, size))
4509 })
4510 } else {
4511 None
4512 };
4513 vec![edit_prediction, context_menu]
4514 .into_iter()
4515 .flatten()
4516 .collect::<Vec<_>>()
4517 },
4518 )?;
4519
4520 let (menu_ix, (_, menu_bounds)) = laid_out_popovers
4521 .iter()
4522 .find_position(|(x, _)| matches!(x, CursorPopoverType::CodeContextMenu))?;
4523 let last_ix = laid_out_popovers.len() - 1;
4524 let menu_is_last = menu_ix == last_ix;
4525 let first_popover_bounds = laid_out_popovers[0].1;
4526 let last_popover_bounds = laid_out_popovers[last_ix].1;
4527
4528 // Bounds to layout the aside around. When y_flipped, the aside goes either above or to the
4529 // right, and otherwise it goes below or to the right.
4530 let mut target_bounds = Bounds::from_corners(
4531 first_popover_bounds.origin,
4532 last_popover_bounds.bottom_right(),
4533 );
4534 target_bounds.size.width = menu_bounds.size.width;
4535
4536 // Like `target_bounds`, but with the max height it could occupy. Choosing an aside position
4537 // based on this is preferred for layout stability.
4538 let mut max_target_bounds = target_bounds;
4539 max_target_bounds.size.height = max_height;
4540 if y_flipped {
4541 max_target_bounds.origin.y -= max_height - target_bounds.size.height;
4542 }
4543
4544 // Add spacing around `target_bounds` and `max_target_bounds`.
4545 let mut extend_amount = Edges::all(MENU_GAP);
4546 if y_flipped {
4547 extend_amount.bottom = line_height;
4548 } else {
4549 extend_amount.top = line_height;
4550 }
4551 let target_bounds = target_bounds.extend(extend_amount);
4552 let max_target_bounds = max_target_bounds.extend(extend_amount);
4553
4554 let must_place_above_or_below =
4555 if y_flipped && !menu_is_last && menu_bounds.size.height < max_menu_height {
4556 laid_out_popovers[menu_ix + 1..]
4557 .iter()
4558 .any(|(_, popover_bounds)| popover_bounds.size.width > menu_bounds.size.width)
4559 } else {
4560 false
4561 };
4562
4563 let aside_bounds = self.layout_context_menu_aside(
4564 y_flipped,
4565 *menu_bounds,
4566 target_bounds,
4567 max_target_bounds,
4568 max_menu_height,
4569 must_place_above_or_below,
4570 text_hitbox,
4571 viewport_bounds,
4572 window,
4573 cx,
4574 );
4575
4576 if let Some(menu_bounds) = laid_out_popovers.iter().find_map(|(popover_type, bounds)| {
4577 if matches!(popover_type, CursorPopoverType::CodeContextMenu) {
4578 Some(*bounds)
4579 } else {
4580 None
4581 }
4582 }) {
4583 let bounds = if let Some(aside_bounds) = aside_bounds {
4584 menu_bounds.union(&aside_bounds)
4585 } else {
4586 menu_bounds
4587 };
4588 return Some(ContextMenuLayout { y_flipped, bounds });
4589 }
4590
4591 None
4592 }
4593
4594 fn layout_gutter_menu(
4595 &self,
4596 line_height: Pixels,
4597 text_hitbox: &Hitbox,
4598 content_origin: gpui::Point<Pixels>,
4599 right_margin: Pixels,
4600 scroll_pixel_position: gpui::Point<Pixels>,
4601 gutter_overshoot: Pixels,
4602 window: &mut Window,
4603 cx: &mut App,
4604 ) {
4605 let editor = self.editor.read(cx);
4606 if !editor.context_menu_visible() {
4607 return;
4608 }
4609 let Some(crate::ContextMenuOrigin::GutterIndicator(gutter_row)) =
4610 editor.context_menu_origin()
4611 else {
4612 return;
4613 };
4614 // Context menu was spawned via a click on a gutter. Ensure it's a bit closer to the
4615 // indicator than just a plain first column of the text field.
4616 let target_position = content_origin
4617 + gpui::Point {
4618 x: -gutter_overshoot,
4619 y: gutter_row.next_row().as_f32() * line_height - scroll_pixel_position.y,
4620 };
4621
4622 let (min_height_in_lines, max_height_in_lines) = editor
4623 .context_menu_options
4624 .as_ref()
4625 .map_or((3, 12), |options| {
4626 (options.min_entries_visible, options.max_entries_visible)
4627 });
4628
4629 let min_height = line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4630 let max_height = line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4631 let viewport_bounds =
4632 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4633 right: -right_margin - MENU_GAP,
4634 ..Default::default()
4635 });
4636 self.layout_popovers_above_or_below_line(
4637 target_position,
4638 line_height,
4639 min_height,
4640 max_height,
4641 editor
4642 .context_menu_options
4643 .as_ref()
4644 .and_then(|options| options.placement.clone()),
4645 text_hitbox,
4646 viewport_bounds,
4647 window,
4648 cx,
4649 move |height, _max_width_for_stable_x, _, window, cx| {
4650 let mut element = self
4651 .render_context_menu(line_height, height, window, cx)
4652 .expect("Visible context menu should always render.");
4653 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4654 vec![(CursorPopoverType::CodeContextMenu, element, size)]
4655 },
4656 );
4657 }
4658
4659 fn layout_popovers_above_or_below_line(
4660 &self,
4661 target_position: gpui::Point<Pixels>,
4662 line_height: Pixels,
4663 min_height: Pixels,
4664 max_height: Pixels,
4665 placement: Option<ContextMenuPlacement>,
4666 text_hitbox: &Hitbox,
4667 viewport_bounds: Bounds<Pixels>,
4668 window: &mut Window,
4669 cx: &mut App,
4670 make_sized_popovers: impl FnOnce(
4671 Pixels,
4672 Pixels,
4673 bool,
4674 &mut Window,
4675 &mut App,
4676 ) -> Vec<(CursorPopoverType, AnyElement, Size<Pixels>)>,
4677 ) -> Option<(Vec<(CursorPopoverType, Bounds<Pixels>)>, bool)> {
4678 let text_style = TextStyleRefinement {
4679 line_height: Some(DefiniteLength::Fraction(
4680 BufferLineHeight::Comfortable.value(),
4681 )),
4682 ..Default::default()
4683 };
4684 window.with_text_style(Some(text_style), |window| {
4685 // If the max height won't fit below and there is more space above, put it above the line.
4686 let bottom_y_when_flipped = target_position.y - line_height;
4687 let available_above = bottom_y_when_flipped - text_hitbox.top();
4688 let available_below = text_hitbox.bottom() - target_position.y;
4689 let y_overflows_below = max_height > available_below;
4690 let mut y_flipped = match placement {
4691 Some(ContextMenuPlacement::Above) => true,
4692 Some(ContextMenuPlacement::Below) => false,
4693 None => y_overflows_below && available_above > available_below,
4694 };
4695 let mut height = cmp::min(
4696 max_height,
4697 if y_flipped {
4698 available_above
4699 } else {
4700 available_below
4701 },
4702 );
4703
4704 // If the min height doesn't fit within text bounds, instead fit within the window.
4705 if height < min_height {
4706 let available_above = bottom_y_when_flipped;
4707 let available_below = viewport_bounds.bottom() - target_position.y;
4708 let (y_flipped_override, height_override) = match placement {
4709 Some(ContextMenuPlacement::Above) => {
4710 (true, cmp::min(available_above, min_height))
4711 }
4712 Some(ContextMenuPlacement::Below) => {
4713 (false, cmp::min(available_below, min_height))
4714 }
4715 None => {
4716 if available_below > min_height {
4717 (false, min_height)
4718 } else if available_above > min_height {
4719 (true, min_height)
4720 } else if available_above > available_below {
4721 (true, available_above)
4722 } else {
4723 (false, available_below)
4724 }
4725 }
4726 };
4727 y_flipped = y_flipped_override;
4728 height = height_override;
4729 }
4730
4731 let max_width_for_stable_x = viewport_bounds.right() - target_position.x;
4732
4733 // TODO: Use viewport_bounds.width as a max width so that it doesn't get clipped on the left
4734 // for very narrow windows.
4735 let popovers =
4736 make_sized_popovers(height, max_width_for_stable_x, y_flipped, window, cx);
4737 if popovers.is_empty() {
4738 return None;
4739 }
4740
4741 let max_width = popovers
4742 .iter()
4743 .map(|(_, _, size)| size.width)
4744 .max()
4745 .unwrap_or_default();
4746
4747 let mut current_position = gpui::Point {
4748 // Snap the right edge of the list to the right edge of the window if its horizontal bounds
4749 // overflow. Include space for the scrollbar.
4750 x: target_position
4751 .x
4752 .min((viewport_bounds.right() - max_width).max(Pixels::ZERO)),
4753 y: if y_flipped {
4754 bottom_y_when_flipped
4755 } else {
4756 target_position.y
4757 },
4758 };
4759
4760 let mut laid_out_popovers = popovers
4761 .into_iter()
4762 .map(|(popover_type, element, size)| {
4763 if y_flipped {
4764 current_position.y -= size.height;
4765 }
4766 let position = current_position;
4767 window.defer_draw(element, current_position, 1);
4768 if !y_flipped {
4769 current_position.y += size.height + MENU_GAP;
4770 } else {
4771 current_position.y -= MENU_GAP;
4772 }
4773 (popover_type, Bounds::new(position, size))
4774 })
4775 .collect::<Vec<_>>();
4776
4777 if y_flipped {
4778 laid_out_popovers.reverse();
4779 }
4780
4781 Some((laid_out_popovers, y_flipped))
4782 })
4783 }
4784
4785 fn layout_context_menu_aside(
4786 &self,
4787 y_flipped: bool,
4788 menu_bounds: Bounds<Pixels>,
4789 target_bounds: Bounds<Pixels>,
4790 max_target_bounds: Bounds<Pixels>,
4791 max_height: Pixels,
4792 must_place_above_or_below: bool,
4793 text_hitbox: &Hitbox,
4794 viewport_bounds: Bounds<Pixels>,
4795 window: &mut Window,
4796 cx: &mut App,
4797 ) -> Option<Bounds<Pixels>> {
4798 let available_within_viewport = target_bounds.space_within(&viewport_bounds);
4799 let positioned_aside = if available_within_viewport.right >= MENU_ASIDE_MIN_WIDTH
4800 && !must_place_above_or_below
4801 {
4802 let max_width = cmp::min(
4803 available_within_viewport.right - px(1.),
4804 MENU_ASIDE_MAX_WIDTH,
4805 );
4806 let mut aside = self.render_context_menu_aside(
4807 size(max_width, max_height - POPOVER_Y_PADDING),
4808 window,
4809 cx,
4810 )?;
4811 let size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4812 let right_position = point(target_bounds.right(), menu_bounds.origin.y);
4813 Some((aside, right_position, size))
4814 } else {
4815 let max_size = size(
4816 // TODO(mgsloan): Once the menu is bounded by viewport width the bound on viewport
4817 // won't be needed here.
4818 cmp::min(
4819 cmp::max(menu_bounds.size.width - px(2.), MENU_ASIDE_MIN_WIDTH),
4820 viewport_bounds.right(),
4821 ),
4822 cmp::min(
4823 max_height,
4824 cmp::max(
4825 available_within_viewport.top,
4826 available_within_viewport.bottom,
4827 ),
4828 ) - POPOVER_Y_PADDING,
4829 );
4830 let mut aside = self.render_context_menu_aside(max_size, window, cx)?;
4831 let actual_size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4832
4833 let top_position = point(
4834 menu_bounds.origin.x,
4835 target_bounds.top() - actual_size.height,
4836 );
4837 let bottom_position = point(menu_bounds.origin.x, target_bounds.bottom());
4838
4839 let fit_within = |available: Edges<Pixels>, wanted: Size<Pixels>| {
4840 // Prefer to fit on the same side of the line as the menu, then on the other side of
4841 // the line.
4842 if !y_flipped && wanted.height < available.bottom {
4843 Some(bottom_position)
4844 } else if !y_flipped && wanted.height < available.top {
4845 Some(top_position)
4846 } else if y_flipped && wanted.height < available.top {
4847 Some(top_position)
4848 } else if y_flipped && wanted.height < available.bottom {
4849 Some(bottom_position)
4850 } else {
4851 None
4852 }
4853 };
4854
4855 // Prefer choosing a direction using max sizes rather than actual size for stability.
4856 let available_within_text = max_target_bounds.space_within(&text_hitbox.bounds);
4857 let wanted = size(MENU_ASIDE_MAX_WIDTH, max_height);
4858 let aside_position = fit_within(available_within_text, wanted)
4859 // Fallback: fit max size in window.
4860 .or_else(|| fit_within(max_target_bounds.space_within(&viewport_bounds), wanted))
4861 // Fallback: fit actual size in window.
4862 .or_else(|| fit_within(available_within_viewport, actual_size));
4863
4864 aside_position.map(|position| (aside, position, actual_size))
4865 };
4866
4867 // Skip drawing if it doesn't fit anywhere.
4868 if let Some((aside, position, size)) = positioned_aside {
4869 let aside_bounds = Bounds::new(position, size);
4870 window.defer_draw(aside, position, 2);
4871 return Some(aside_bounds);
4872 }
4873
4874 None
4875 }
4876
4877 fn render_context_menu(
4878 &self,
4879 line_height: Pixels,
4880 height: Pixels,
4881 window: &mut Window,
4882 cx: &mut App,
4883 ) -> Option<AnyElement> {
4884 let max_height_in_lines = ((height - POPOVER_Y_PADDING) / line_height).floor() as u32;
4885 self.editor.update(cx, |editor, cx| {
4886 editor.render_context_menu(&self.style, max_height_in_lines, window, cx)
4887 })
4888 }
4889
4890 fn render_context_menu_aside(
4891 &self,
4892 max_size: Size<Pixels>,
4893 window: &mut Window,
4894 cx: &mut App,
4895 ) -> Option<AnyElement> {
4896 if max_size.width < px(100.) || max_size.height < px(12.) {
4897 None
4898 } else {
4899 self.editor.update(cx, |editor, cx| {
4900 editor.render_context_menu_aside(max_size, window, cx)
4901 })
4902 }
4903 }
4904
4905 fn layout_mouse_context_menu(
4906 &self,
4907 editor_snapshot: &EditorSnapshot,
4908 visible_range: Range<DisplayRow>,
4909 content_origin: gpui::Point<Pixels>,
4910 window: &mut Window,
4911 cx: &mut App,
4912 ) -> Option<AnyElement> {
4913 let position = self.editor.update(cx, |editor, _cx| {
4914 let visible_start_point = editor.display_to_pixel_point(
4915 DisplayPoint::new(visible_range.start, 0),
4916 editor_snapshot,
4917 window,
4918 )?;
4919 let visible_end_point = editor.display_to_pixel_point(
4920 DisplayPoint::new(visible_range.end, 0),
4921 editor_snapshot,
4922 window,
4923 )?;
4924
4925 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
4926 let (source_display_point, position) = match mouse_context_menu.position {
4927 MenuPosition::PinnedToScreen(point) => (None, point),
4928 MenuPosition::PinnedToEditor { source, offset } => {
4929 let source_display_point = source.to_display_point(editor_snapshot);
4930 let source_point = editor.to_pixel_point(source, editor_snapshot, window)?;
4931 let position = content_origin + source_point + offset;
4932 (Some(source_display_point), position)
4933 }
4934 };
4935
4936 let source_included = source_display_point.is_none_or(|source_display_point| {
4937 visible_range
4938 .to_inclusive()
4939 .contains(&source_display_point.row())
4940 });
4941 let position_included =
4942 visible_start_point.y <= position.y && position.y <= visible_end_point.y;
4943 if !source_included && !position_included {
4944 None
4945 } else {
4946 Some(position)
4947 }
4948 })?;
4949
4950 let text_style = TextStyleRefinement {
4951 line_height: Some(DefiniteLength::Fraction(
4952 BufferLineHeight::Comfortable.value(),
4953 )),
4954 ..Default::default()
4955 };
4956 window.with_text_style(Some(text_style), |window| {
4957 let mut element = self.editor.read_with(cx, |editor, _| {
4958 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
4959 let context_menu = mouse_context_menu.context_menu.clone();
4960
4961 Some(
4962 deferred(
4963 anchored()
4964 .position(position)
4965 .child(context_menu)
4966 .anchor(Corner::TopLeft)
4967 .snap_to_window_with_margin(px(8.)),
4968 )
4969 .with_priority(1)
4970 .into_any(),
4971 )
4972 })?;
4973
4974 element.prepaint_as_root(position, AvailableSpace::min_size(), window, cx);
4975 Some(element)
4976 })
4977 }
4978
4979 fn layout_hover_popovers(
4980 &self,
4981 snapshot: &EditorSnapshot,
4982 hitbox: &Hitbox,
4983 visible_display_row_range: Range<DisplayRow>,
4984 content_origin: gpui::Point<Pixels>,
4985 scroll_pixel_position: gpui::Point<Pixels>,
4986 line_layouts: &[LineWithInvisibles],
4987 line_height: Pixels,
4988 em_width: Pixels,
4989 context_menu_layout: Option<ContextMenuLayout>,
4990 window: &mut Window,
4991 cx: &mut App,
4992 ) {
4993 struct MeasuredHoverPopover {
4994 element: AnyElement,
4995 size: Size<Pixels>,
4996 horizontal_offset: Pixels,
4997 }
4998
4999 let max_size = size(
5000 (120. * em_width) // Default size
5001 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5002 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5003 (16. * line_height) // Default size
5004 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5005 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5006 );
5007
5008 let hover_popovers = self.editor.update(cx, |editor, cx| {
5009 editor.hover_state.render(
5010 snapshot,
5011 visible_display_row_range.clone(),
5012 max_size,
5013 window,
5014 cx,
5015 )
5016 });
5017 let Some((position, hover_popovers)) = hover_popovers else {
5018 return;
5019 };
5020
5021 // This is safe because we check on layout whether the required row is available
5022 let hovered_row_layout =
5023 &line_layouts[position.row().minus(visible_display_row_range.start) as usize];
5024
5025 // Compute Hovered Point
5026 let x =
5027 hovered_row_layout.x_for_index(position.column() as usize) - scroll_pixel_position.x;
5028 let y = position.row().as_f32() * line_height - scroll_pixel_position.y;
5029 let hovered_point = content_origin + point(x, y);
5030
5031 let mut overall_height = Pixels::ZERO;
5032 let mut measured_hover_popovers = Vec::new();
5033 for (position, mut hover_popover) in hover_popovers.into_iter().with_position() {
5034 let size = hover_popover.layout_as_root(AvailableSpace::min_size(), window, cx);
5035 let horizontal_offset =
5036 (hitbox.top_right().x - POPOVER_RIGHT_OFFSET - (hovered_point.x + size.width))
5037 .min(Pixels::ZERO);
5038 match position {
5039 itertools::Position::Middle | itertools::Position::Last => {
5040 overall_height += HOVER_POPOVER_GAP
5041 }
5042 _ => {}
5043 }
5044 overall_height += size.height;
5045 measured_hover_popovers.push(MeasuredHoverPopover {
5046 element: hover_popover,
5047 size,
5048 horizontal_offset,
5049 });
5050 }
5051
5052 fn draw_occluder(
5053 width: Pixels,
5054 origin: gpui::Point<Pixels>,
5055 window: &mut Window,
5056 cx: &mut App,
5057 ) {
5058 let mut occlusion = div()
5059 .size_full()
5060 .occlude()
5061 .on_mouse_move(|_, _, cx| cx.stop_propagation())
5062 .into_any_element();
5063 occlusion.layout_as_root(size(width, HOVER_POPOVER_GAP).into(), window, cx);
5064 window.defer_draw(occlusion, origin, 2);
5065 }
5066
5067 fn place_popovers_above(
5068 hovered_point: gpui::Point<Pixels>,
5069 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5070 window: &mut Window,
5071 cx: &mut App,
5072 ) {
5073 let mut current_y = hovered_point.y;
5074 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5075 let size = popover.size;
5076 let popover_origin = point(
5077 hovered_point.x + popover.horizontal_offset,
5078 current_y - size.height,
5079 );
5080
5081 window.defer_draw(popover.element, popover_origin, 2);
5082 if position != itertools::Position::Last {
5083 let origin = point(popover_origin.x, popover_origin.y - HOVER_POPOVER_GAP);
5084 draw_occluder(size.width, origin, window, cx);
5085 }
5086
5087 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5088 }
5089 }
5090
5091 fn place_popovers_below(
5092 hovered_point: gpui::Point<Pixels>,
5093 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5094 line_height: Pixels,
5095 window: &mut Window,
5096 cx: &mut App,
5097 ) {
5098 let mut current_y = hovered_point.y + line_height;
5099 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5100 let size = popover.size;
5101 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5102
5103 window.defer_draw(popover.element, popover_origin, 2);
5104 if position != itertools::Position::Last {
5105 let origin = point(popover_origin.x, popover_origin.y + size.height);
5106 draw_occluder(size.width, origin, window, cx);
5107 }
5108
5109 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5110 }
5111 }
5112
5113 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5114 context_menu_layout
5115 .as_ref()
5116 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5117 };
5118
5119 let can_place_above = {
5120 let mut bounds_above = Vec::new();
5121 let mut current_y = hovered_point.y;
5122 for popover in &measured_hover_popovers {
5123 let size = popover.size;
5124 let popover_origin = point(
5125 hovered_point.x + popover.horizontal_offset,
5126 current_y - size.height,
5127 );
5128 bounds_above.push(Bounds::new(popover_origin, size));
5129 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5130 }
5131 bounds_above
5132 .iter()
5133 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5134 };
5135
5136 let can_place_below = || {
5137 let mut bounds_below = Vec::new();
5138 let mut current_y = hovered_point.y + line_height;
5139 for popover in &measured_hover_popovers {
5140 let size = popover.size;
5141 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5142 bounds_below.push(Bounds::new(popover_origin, size));
5143 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5144 }
5145 bounds_below
5146 .iter()
5147 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5148 };
5149
5150 if can_place_above {
5151 // try placing above hovered point
5152 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5153 } else if can_place_below() {
5154 // try placing below hovered point
5155 place_popovers_below(
5156 hovered_point,
5157 measured_hover_popovers,
5158 line_height,
5159 window,
5160 cx,
5161 );
5162 } else {
5163 // try to place popovers around the context menu
5164 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5165 let total_width = measured_hover_popovers
5166 .iter()
5167 .map(|p| p.size.width)
5168 .max()
5169 .unwrap_or(Pixels::ZERO);
5170 let y_for_horizontal_positioning = if menu.y_flipped {
5171 menu.bounds.bottom() - overall_height
5172 } else {
5173 menu.bounds.top()
5174 };
5175 let possible_origins = vec![
5176 // left of context menu
5177 point(
5178 menu.bounds.left() - total_width - HOVER_POPOVER_GAP,
5179 y_for_horizontal_positioning,
5180 ),
5181 // right of context menu
5182 point(
5183 menu.bounds.right() + HOVER_POPOVER_GAP,
5184 y_for_horizontal_positioning,
5185 ),
5186 // top of context menu
5187 point(
5188 menu.bounds.left(),
5189 menu.bounds.top() - overall_height - HOVER_POPOVER_GAP,
5190 ),
5191 // bottom of context menu
5192 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5193 ];
5194 possible_origins.into_iter().find(|&origin| {
5195 Bounds::new(origin, size(total_width, overall_height))
5196 .is_contained_within(hitbox)
5197 })
5198 });
5199 if let Some(origin) = origin_surrounding_menu {
5200 let mut current_y = origin.y;
5201 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5202 let size = popover.size;
5203 let popover_origin = point(origin.x, current_y);
5204
5205 window.defer_draw(popover.element, popover_origin, 2);
5206 if position != itertools::Position::Last {
5207 let origin = point(popover_origin.x, popover_origin.y + size.height);
5208 draw_occluder(size.width, origin, window, cx);
5209 }
5210
5211 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5212 }
5213 } else {
5214 // fallback to existing above/below cursor logic
5215 // this might overlap menu or overflow in rare case
5216 if can_place_above {
5217 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5218 } else {
5219 place_popovers_below(
5220 hovered_point,
5221 measured_hover_popovers,
5222 line_height,
5223 window,
5224 cx,
5225 );
5226 }
5227 }
5228 }
5229 }
5230
5231 fn layout_diff_hunk_controls(
5232 &self,
5233 row_range: Range<DisplayRow>,
5234 row_infos: &[RowInfo],
5235 text_hitbox: &Hitbox,
5236 newest_cursor_position: Option<DisplayPoint>,
5237 line_height: Pixels,
5238 right_margin: Pixels,
5239 scroll_pixel_position: gpui::Point<Pixels>,
5240 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
5241 highlighted_rows: &BTreeMap<DisplayRow, LineHighlight>,
5242 editor: Entity<Editor>,
5243 window: &mut Window,
5244 cx: &mut App,
5245 ) -> (Vec<AnyElement>, Vec<(DisplayRow, Bounds<Pixels>)>) {
5246 let render_diff_hunk_controls = editor.read(cx).render_diff_hunk_controls.clone();
5247 let hovered_diff_hunk_row = editor.read(cx).hovered_diff_hunk_row;
5248
5249 let mut controls = vec![];
5250 let mut control_bounds = vec![];
5251
5252 let active_positions = [
5253 hovered_diff_hunk_row.map(|row| DisplayPoint::new(row, 0)),
5254 newest_cursor_position,
5255 ];
5256
5257 for (hunk, _) in display_hunks {
5258 if let DisplayDiffHunk::Unfolded {
5259 display_row_range,
5260 multi_buffer_range,
5261 status,
5262 is_created_file,
5263 ..
5264 } = &hunk
5265 {
5266 if display_row_range.start < row_range.start
5267 || display_row_range.start >= row_range.end
5268 {
5269 continue;
5270 }
5271 if highlighted_rows
5272 .get(&display_row_range.start)
5273 .and_then(|highlight| highlight.type_id)
5274 .is_some_and(|type_id| {
5275 [
5276 TypeId::of::<ConflictsOuter>(),
5277 TypeId::of::<ConflictsOursMarker>(),
5278 TypeId::of::<ConflictsOurs>(),
5279 TypeId::of::<ConflictsTheirs>(),
5280 TypeId::of::<ConflictsTheirsMarker>(),
5281 ]
5282 .contains(&type_id)
5283 })
5284 {
5285 continue;
5286 }
5287 let row_ix = (display_row_range.start - row_range.start).0 as usize;
5288 if row_infos[row_ix].diff_status.is_none() {
5289 continue;
5290 }
5291 if row_infos[row_ix]
5292 .diff_status
5293 .is_some_and(|status| status.is_added())
5294 && !status.is_added()
5295 {
5296 continue;
5297 }
5298
5299 if active_positions
5300 .iter()
5301 .any(|p| p.is_some_and(|p| display_row_range.contains(&p.row())))
5302 {
5303 let y = display_row_range.start.as_f32() * line_height
5304 + text_hitbox.bounds.top()
5305 - scroll_pixel_position.y;
5306
5307 let mut element = render_diff_hunk_controls(
5308 display_row_range.start.0,
5309 status,
5310 multi_buffer_range.clone(),
5311 *is_created_file,
5312 line_height,
5313 &editor,
5314 window,
5315 cx,
5316 );
5317 let size =
5318 element.layout_as_root(size(px(100.0), line_height).into(), window, cx);
5319
5320 let x = text_hitbox.bounds.right() - right_margin - px(10.) - size.width;
5321
5322 let bounds = Bounds::new(gpui::Point::new(x, y), size);
5323 control_bounds.push((display_row_range.start, bounds));
5324
5325 window.with_absolute_element_offset(gpui::Point::new(x, y), |window| {
5326 element.prepaint(window, cx)
5327 });
5328 controls.push(element);
5329 }
5330 }
5331 }
5332
5333 (controls, control_bounds)
5334 }
5335
5336 fn layout_signature_help(
5337 &self,
5338 hitbox: &Hitbox,
5339 content_origin: gpui::Point<Pixels>,
5340 scroll_pixel_position: gpui::Point<Pixels>,
5341 newest_selection_head: Option<DisplayPoint>,
5342 start_row: DisplayRow,
5343 line_layouts: &[LineWithInvisibles],
5344 line_height: Pixels,
5345 em_width: Pixels,
5346 context_menu_layout: Option<ContextMenuLayout>,
5347 window: &mut Window,
5348 cx: &mut App,
5349 ) {
5350 if !self.editor.focus_handle(cx).is_focused(window) {
5351 return;
5352 }
5353 let Some(newest_selection_head) = newest_selection_head else {
5354 return;
5355 };
5356
5357 let max_size = size(
5358 (120. * em_width) // Default size
5359 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5360 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5361 (16. * line_height) // Default size
5362 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5363 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5364 );
5365
5366 let maybe_element = self.editor.update(cx, |editor, cx| {
5367 if let Some(popover) = editor.signature_help_state.popover_mut() {
5368 let element = popover.render(max_size, window, cx);
5369 Some(element)
5370 } else {
5371 None
5372 }
5373 });
5374 let Some(mut element) = maybe_element else {
5375 return;
5376 };
5377
5378 let selection_row = newest_selection_head.row();
5379 let Some(cursor_row_layout) = (selection_row >= start_row)
5380 .then(|| line_layouts.get(selection_row.minus(start_row) as usize))
5381 .flatten()
5382 else {
5383 return;
5384 };
5385
5386 let target_x = cursor_row_layout.x_for_index(newest_selection_head.column() as usize)
5387 - scroll_pixel_position.x;
5388 let target_y = selection_row.as_f32() * line_height - scroll_pixel_position.y;
5389 let target_point = content_origin + point(target_x, target_y);
5390
5391 let actual_size = element.layout_as_root(Size::<AvailableSpace>::default(), window, cx);
5392
5393 let (popover_bounds_above, popover_bounds_below) = {
5394 let horizontal_offset = (hitbox.top_right().x
5395 - POPOVER_RIGHT_OFFSET
5396 - (target_point.x + actual_size.width))
5397 .min(Pixels::ZERO);
5398 let initial_x = target_point.x + horizontal_offset;
5399 (
5400 Bounds::new(
5401 point(initial_x, target_point.y - actual_size.height),
5402 actual_size,
5403 ),
5404 Bounds::new(
5405 point(initial_x, target_point.y + line_height + HOVER_POPOVER_GAP),
5406 actual_size,
5407 ),
5408 )
5409 };
5410
5411 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5412 context_menu_layout
5413 .as_ref()
5414 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5415 };
5416
5417 let final_origin = if popover_bounds_above.is_contained_within(hitbox)
5418 && !intersects_menu(popover_bounds_above)
5419 {
5420 // try placing above cursor
5421 popover_bounds_above.origin
5422 } else if popover_bounds_below.is_contained_within(hitbox)
5423 && !intersects_menu(popover_bounds_below)
5424 {
5425 // try placing below cursor
5426 popover_bounds_below.origin
5427 } else {
5428 // try surrounding context menu if exists
5429 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5430 let y_for_horizontal_positioning = if menu.y_flipped {
5431 menu.bounds.bottom() - actual_size.height
5432 } else {
5433 menu.bounds.top()
5434 };
5435 let possible_origins = vec![
5436 // left of context menu
5437 point(
5438 menu.bounds.left() - actual_size.width - HOVER_POPOVER_GAP,
5439 y_for_horizontal_positioning,
5440 ),
5441 // right of context menu
5442 point(
5443 menu.bounds.right() + HOVER_POPOVER_GAP,
5444 y_for_horizontal_positioning,
5445 ),
5446 // top of context menu
5447 point(
5448 menu.bounds.left(),
5449 menu.bounds.top() - actual_size.height - HOVER_POPOVER_GAP,
5450 ),
5451 // bottom of context menu
5452 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5453 ];
5454 possible_origins
5455 .into_iter()
5456 .find(|&origin| Bounds::new(origin, actual_size).is_contained_within(hitbox))
5457 });
5458 origin_surrounding_menu.unwrap_or_else(|| {
5459 // fallback to existing above/below cursor logic
5460 // this might overlap menu or overflow in rare case
5461 if popover_bounds_above.is_contained_within(hitbox) {
5462 popover_bounds_above.origin
5463 } else {
5464 popover_bounds_below.origin
5465 }
5466 })
5467 };
5468
5469 window.defer_draw(element, final_origin, 2);
5470 }
5471
5472 fn paint_background(&self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
5473 window.paint_layer(layout.hitbox.bounds, |window| {
5474 let scroll_top = layout.position_map.snapshot.scroll_position().y;
5475 let gutter_bg = cx.theme().colors().editor_gutter_background;
5476 window.paint_quad(fill(layout.gutter_hitbox.bounds, gutter_bg));
5477 window.paint_quad(fill(
5478 layout.position_map.text_hitbox.bounds,
5479 self.style.background,
5480 ));
5481
5482 if matches!(
5483 layout.mode,
5484 EditorMode::Full { .. } | EditorMode::Minimap { .. }
5485 ) {
5486 let show_active_line_background = match layout.mode {
5487 EditorMode::Full {
5488 show_active_line_background,
5489 ..
5490 } => show_active_line_background,
5491 EditorMode::Minimap { .. } => true,
5492 _ => false,
5493 };
5494 let mut active_rows = layout.active_rows.iter().peekable();
5495 while let Some((start_row, contains_non_empty_selection)) = active_rows.next() {
5496 let mut end_row = start_row.0;
5497 while active_rows
5498 .peek()
5499 .is_some_and(|(active_row, has_selection)| {
5500 active_row.0 == end_row + 1
5501 && has_selection.selection == contains_non_empty_selection.selection
5502 })
5503 {
5504 active_rows.next().unwrap();
5505 end_row += 1;
5506 }
5507
5508 if show_active_line_background && !contains_non_empty_selection.selection {
5509 let highlight_h_range =
5510 match layout.position_map.snapshot.current_line_highlight {
5511 CurrentLineHighlight::Gutter => Some(Range {
5512 start: layout.hitbox.left(),
5513 end: layout.gutter_hitbox.right(),
5514 }),
5515 CurrentLineHighlight::Line => Some(Range {
5516 start: layout.position_map.text_hitbox.bounds.left(),
5517 end: layout.position_map.text_hitbox.bounds.right(),
5518 }),
5519 CurrentLineHighlight::All => Some(Range {
5520 start: layout.hitbox.left(),
5521 end: layout.hitbox.right(),
5522 }),
5523 CurrentLineHighlight::None => None,
5524 };
5525 if let Some(range) = highlight_h_range {
5526 let active_line_bg = cx.theme().colors().editor_active_line_background;
5527 let bounds = Bounds {
5528 origin: point(
5529 range.start,
5530 layout.hitbox.origin.y
5531 + (start_row.as_f32() - scroll_top)
5532 * layout.position_map.line_height,
5533 ),
5534 size: size(
5535 range.end - range.start,
5536 layout.position_map.line_height
5537 * (end_row - start_row.0 + 1) as f32,
5538 ),
5539 };
5540 window.paint_quad(fill(bounds, active_line_bg));
5541 }
5542 }
5543 }
5544
5545 let mut paint_highlight = |highlight_row_start: DisplayRow,
5546 highlight_row_end: DisplayRow,
5547 highlight: crate::LineHighlight,
5548 edges| {
5549 let mut origin_x = layout.hitbox.left();
5550 let mut width = layout.hitbox.size.width;
5551 if !highlight.include_gutter {
5552 origin_x += layout.gutter_hitbox.size.width;
5553 width -= layout.gutter_hitbox.size.width;
5554 }
5555
5556 let origin = point(
5557 origin_x,
5558 layout.hitbox.origin.y
5559 + (highlight_row_start.as_f32() - scroll_top)
5560 * layout.position_map.line_height,
5561 );
5562 let size = size(
5563 width,
5564 layout.position_map.line_height
5565 * highlight_row_end.next_row().minus(highlight_row_start) as f32,
5566 );
5567 let mut quad = fill(Bounds { origin, size }, highlight.background);
5568 if let Some(border_color) = highlight.border {
5569 quad.border_color = border_color;
5570 quad.border_widths = edges
5571 }
5572 window.paint_quad(quad);
5573 };
5574
5575 let mut current_paint: Option<(LineHighlight, Range<DisplayRow>, Edges<Pixels>)> =
5576 None;
5577 for (&new_row, &new_background) in &layout.highlighted_rows {
5578 match &mut current_paint {
5579 &mut Some((current_background, ref mut current_range, mut edges)) => {
5580 let new_range_started = current_background != new_background
5581 || current_range.end.next_row() != new_row;
5582 if new_range_started {
5583 if current_range.end.next_row() == new_row {
5584 edges.bottom = px(0.);
5585 };
5586 paint_highlight(
5587 current_range.start,
5588 current_range.end,
5589 current_background,
5590 edges,
5591 );
5592 let edges = Edges {
5593 top: if current_range.end.next_row() != new_row {
5594 px(1.)
5595 } else {
5596 px(0.)
5597 },
5598 bottom: px(1.),
5599 ..Default::default()
5600 };
5601 current_paint = Some((new_background, new_row..new_row, edges));
5602 continue;
5603 } else {
5604 current_range.end = current_range.end.next_row();
5605 }
5606 }
5607 None => {
5608 let edges = Edges {
5609 top: px(1.),
5610 bottom: px(1.),
5611 ..Default::default()
5612 };
5613 current_paint = Some((new_background, new_row..new_row, edges))
5614 }
5615 };
5616 }
5617 if let Some((color, range, edges)) = current_paint {
5618 paint_highlight(range.start, range.end, color, edges);
5619 }
5620
5621 for (guide_x, active) in layout.wrap_guides.iter() {
5622 let color = if *active {
5623 cx.theme().colors().editor_active_wrap_guide
5624 } else {
5625 cx.theme().colors().editor_wrap_guide
5626 };
5627 window.paint_quad(fill(
5628 Bounds {
5629 origin: point(*guide_x, layout.position_map.text_hitbox.origin.y),
5630 size: size(px(1.), layout.position_map.text_hitbox.size.height),
5631 },
5632 color,
5633 ));
5634 }
5635 }
5636 })
5637 }
5638
5639 fn paint_indent_guides(
5640 &mut self,
5641 layout: &mut EditorLayout,
5642 window: &mut Window,
5643 cx: &mut App,
5644 ) {
5645 let Some(indent_guides) = &layout.indent_guides else {
5646 return;
5647 };
5648
5649 let faded_color = |color: Hsla, alpha: f32| {
5650 let mut faded = color;
5651 faded.a = alpha;
5652 faded
5653 };
5654
5655 for indent_guide in indent_guides {
5656 let indent_accent_colors = cx.theme().accents().color_for_index(indent_guide.depth);
5657 let settings = indent_guide.settings;
5658
5659 // TODO fixed for now, expose them through themes later
5660 const INDENT_AWARE_ALPHA: f32 = 0.2;
5661 const INDENT_AWARE_ACTIVE_ALPHA: f32 = 0.4;
5662 const INDENT_AWARE_BACKGROUND_ALPHA: f32 = 0.1;
5663 const INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA: f32 = 0.2;
5664
5665 let line_color = match (settings.coloring, indent_guide.active) {
5666 (IndentGuideColoring::Disabled, _) => None,
5667 (IndentGuideColoring::Fixed, false) => {
5668 Some(cx.theme().colors().editor_indent_guide)
5669 }
5670 (IndentGuideColoring::Fixed, true) => {
5671 Some(cx.theme().colors().editor_indent_guide_active)
5672 }
5673 (IndentGuideColoring::IndentAware, false) => {
5674 Some(faded_color(indent_accent_colors, INDENT_AWARE_ALPHA))
5675 }
5676 (IndentGuideColoring::IndentAware, true) => {
5677 Some(faded_color(indent_accent_colors, INDENT_AWARE_ACTIVE_ALPHA))
5678 }
5679 };
5680
5681 let background_color = match (settings.background_coloring, indent_guide.active) {
5682 (IndentGuideBackgroundColoring::Disabled, _) => None,
5683 (IndentGuideBackgroundColoring::IndentAware, false) => Some(faded_color(
5684 indent_accent_colors,
5685 INDENT_AWARE_BACKGROUND_ALPHA,
5686 )),
5687 (IndentGuideBackgroundColoring::IndentAware, true) => Some(faded_color(
5688 indent_accent_colors,
5689 INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA,
5690 )),
5691 };
5692
5693 let requested_line_width = if indent_guide.active {
5694 settings.active_line_width
5695 } else {
5696 settings.line_width
5697 }
5698 .clamp(1, 10);
5699 let mut line_indicator_width = 0.;
5700 if let Some(color) = line_color {
5701 window.paint_quad(fill(
5702 Bounds {
5703 origin: indent_guide.origin,
5704 size: size(px(requested_line_width as f32), indent_guide.length),
5705 },
5706 color,
5707 ));
5708 line_indicator_width = requested_line_width as f32;
5709 }
5710
5711 if let Some(color) = background_color {
5712 let width = indent_guide.single_indent_width - px(line_indicator_width);
5713 window.paint_quad(fill(
5714 Bounds {
5715 origin: point(
5716 indent_guide.origin.x + px(line_indicator_width),
5717 indent_guide.origin.y,
5718 ),
5719 size: size(width, indent_guide.length),
5720 },
5721 color,
5722 ));
5723 }
5724 }
5725 }
5726
5727 fn paint_line_numbers(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5728 let is_singleton = self.editor.read(cx).is_singleton(cx);
5729
5730 let line_height = layout.position_map.line_height;
5731 window.set_cursor_style(CursorStyle::Arrow, &layout.gutter_hitbox);
5732
5733 for LineNumberLayout {
5734 shaped_line,
5735 hitbox,
5736 } in layout.line_numbers.values()
5737 {
5738 let Some(hitbox) = hitbox else {
5739 continue;
5740 };
5741
5742 let Some(()) = (if !is_singleton && hitbox.is_hovered(window) {
5743 let color = cx.theme().colors().editor_hover_line_number;
5744
5745 let line = self.shape_line_number(shaped_line.text.clone(), color, window);
5746 line.paint(hitbox.origin, line_height, window, cx).log_err()
5747 } else {
5748 shaped_line
5749 .paint(hitbox.origin, line_height, window, cx)
5750 .log_err()
5751 }) else {
5752 continue;
5753 };
5754
5755 // In singleton buffers, we select corresponding lines on the line number click, so use | -like cursor.
5756 // In multi buffers, we open file at the line number clicked, so use a pointing hand cursor.
5757 if is_singleton {
5758 window.set_cursor_style(CursorStyle::IBeam, hitbox);
5759 } else {
5760 window.set_cursor_style(CursorStyle::PointingHand, hitbox);
5761 }
5762 }
5763 }
5764
5765 fn paint_gutter_diff_hunks(layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5766 if layout.display_hunks.is_empty() {
5767 return;
5768 }
5769
5770 let line_height = layout.position_map.line_height;
5771 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5772 for (hunk, hitbox) in &layout.display_hunks {
5773 let hunk_to_paint = match hunk {
5774 DisplayDiffHunk::Folded { .. } => {
5775 let hunk_bounds = Self::diff_hunk_bounds(
5776 &layout.position_map.snapshot,
5777 line_height,
5778 layout.gutter_hitbox.bounds,
5779 hunk,
5780 );
5781 Some((
5782 hunk_bounds,
5783 cx.theme().colors().version_control_modified,
5784 Corners::all(px(0.)),
5785 DiffHunkStatus::modified_none(),
5786 ))
5787 }
5788 DisplayDiffHunk::Unfolded {
5789 status,
5790 display_row_range,
5791 ..
5792 } => hitbox.as_ref().map(|hunk_hitbox| match status.kind {
5793 DiffHunkStatusKind::Added => (
5794 hunk_hitbox.bounds,
5795 cx.theme().colors().version_control_added,
5796 Corners::all(px(0.)),
5797 *status,
5798 ),
5799 DiffHunkStatusKind::Modified => (
5800 hunk_hitbox.bounds,
5801 cx.theme().colors().version_control_modified,
5802 Corners::all(px(0.)),
5803 *status,
5804 ),
5805 DiffHunkStatusKind::Deleted if !display_row_range.is_empty() => (
5806 hunk_hitbox.bounds,
5807 cx.theme().colors().version_control_deleted,
5808 Corners::all(px(0.)),
5809 *status,
5810 ),
5811 DiffHunkStatusKind::Deleted => (
5812 Bounds::new(
5813 point(
5814 hunk_hitbox.origin.x - hunk_hitbox.size.width,
5815 hunk_hitbox.origin.y,
5816 ),
5817 size(hunk_hitbox.size.width * 2., hunk_hitbox.size.height),
5818 ),
5819 cx.theme().colors().version_control_deleted,
5820 Corners::all(1. * line_height),
5821 *status,
5822 ),
5823 }),
5824 };
5825
5826 if let Some((hunk_bounds, background_color, corner_radii, status)) = hunk_to_paint {
5827 // Flatten the background color with the editor color to prevent
5828 // elements below transparent hunks from showing through
5829 let flattened_background_color = cx
5830 .theme()
5831 .colors()
5832 .editor_background
5833 .blend(background_color);
5834
5835 if !Self::diff_hunk_hollow(status, cx) {
5836 window.paint_quad(quad(
5837 hunk_bounds,
5838 corner_radii,
5839 flattened_background_color,
5840 Edges::default(),
5841 transparent_black(),
5842 BorderStyle::default(),
5843 ));
5844 } else {
5845 let flattened_unstaged_background_color = cx
5846 .theme()
5847 .colors()
5848 .editor_background
5849 .blend(background_color.opacity(0.3));
5850
5851 window.paint_quad(quad(
5852 hunk_bounds,
5853 corner_radii,
5854 flattened_unstaged_background_color,
5855 Edges::all(Pixels(1.0)),
5856 flattened_background_color,
5857 BorderStyle::Solid,
5858 ));
5859 }
5860 }
5861 }
5862 });
5863 }
5864
5865 fn gutter_strip_width(line_height: Pixels) -> Pixels {
5866 (0.275 * line_height).floor()
5867 }
5868
5869 fn diff_hunk_bounds(
5870 snapshot: &EditorSnapshot,
5871 line_height: Pixels,
5872 gutter_bounds: Bounds<Pixels>,
5873 hunk: &DisplayDiffHunk,
5874 ) -> Bounds<Pixels> {
5875 let scroll_position = snapshot.scroll_position();
5876 let scroll_top = scroll_position.y * line_height;
5877 let gutter_strip_width = Self::gutter_strip_width(line_height);
5878
5879 match hunk {
5880 DisplayDiffHunk::Folded { display_row, .. } => {
5881 let start_y = display_row.as_f32() * line_height - scroll_top;
5882 let end_y = start_y + line_height;
5883 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
5884 let highlight_size = size(gutter_strip_width, end_y - start_y);
5885 Bounds::new(highlight_origin, highlight_size)
5886 }
5887 DisplayDiffHunk::Unfolded {
5888 display_row_range,
5889 status,
5890 ..
5891 } => {
5892 if status.is_deleted() && display_row_range.is_empty() {
5893 let row = display_row_range.start;
5894
5895 let offset = line_height / 2.;
5896 let start_y = row.as_f32() * line_height - offset - scroll_top;
5897 let end_y = start_y + line_height;
5898
5899 let width = (0.35 * line_height).floor();
5900 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
5901 let highlight_size = size(width, end_y - start_y);
5902 Bounds::new(highlight_origin, highlight_size)
5903 } else {
5904 let start_row = display_row_range.start;
5905 let end_row = display_row_range.end;
5906 // If we're in a multibuffer, row range span might include an
5907 // excerpt header, so if we were to draw the marker straight away,
5908 // the hunk might include the rows of that header.
5909 // Making the range inclusive doesn't quite cut it, as we rely on the exclusivity for the soft wrap.
5910 // Instead, we simply check whether the range we're dealing with includes
5911 // any excerpt headers and if so, we stop painting the diff hunk on the first row of that header.
5912 let end_row_in_current_excerpt = snapshot
5913 .blocks_in_range(start_row..end_row)
5914 .find_map(|(start_row, block)| {
5915 if matches!(
5916 block,
5917 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
5918 ) {
5919 Some(start_row)
5920 } else {
5921 None
5922 }
5923 })
5924 .unwrap_or(end_row);
5925
5926 let start_y = start_row.as_f32() * line_height - scroll_top;
5927 let end_y = end_row_in_current_excerpt.as_f32() * line_height - scroll_top;
5928
5929 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
5930 let highlight_size = size(gutter_strip_width, end_y - start_y);
5931 Bounds::new(highlight_origin, highlight_size)
5932 }
5933 }
5934 }
5935 }
5936
5937 fn paint_gutter_indicators(
5938 &self,
5939 layout: &mut EditorLayout,
5940 window: &mut Window,
5941 cx: &mut App,
5942 ) {
5943 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5944 window.with_element_namespace("crease_toggles", |window| {
5945 for crease_toggle in layout.crease_toggles.iter_mut().flatten() {
5946 crease_toggle.paint(window, cx);
5947 }
5948 });
5949
5950 window.with_element_namespace("expand_toggles", |window| {
5951 for (expand_toggle, _) in layout.expand_toggles.iter_mut().flatten() {
5952 expand_toggle.paint(window, cx);
5953 }
5954 });
5955
5956 for breakpoint in layout.breakpoints.iter_mut() {
5957 breakpoint.paint(window, cx);
5958 }
5959
5960 for test_indicator in layout.test_indicators.iter_mut() {
5961 test_indicator.paint(window, cx);
5962 }
5963 });
5964 }
5965
5966 fn paint_gutter_highlights(
5967 &self,
5968 layout: &mut EditorLayout,
5969 window: &mut Window,
5970 cx: &mut App,
5971 ) {
5972 for (_, hunk_hitbox) in &layout.display_hunks {
5973 if let Some(hunk_hitbox) = hunk_hitbox
5974 && !self
5975 .editor
5976 .read(cx)
5977 .buffer()
5978 .read(cx)
5979 .all_diff_hunks_expanded()
5980 {
5981 window.set_cursor_style(CursorStyle::PointingHand, hunk_hitbox);
5982 }
5983 }
5984
5985 let show_git_gutter = layout
5986 .position_map
5987 .snapshot
5988 .show_git_diff_gutter
5989 .unwrap_or_else(|| {
5990 matches!(
5991 ProjectSettings::get_global(cx).git.git_gutter,
5992 Some(GitGutterSetting::TrackedFiles)
5993 )
5994 });
5995 if show_git_gutter {
5996 Self::paint_gutter_diff_hunks(layout, window, cx)
5997 }
5998
5999 let highlight_width = 0.275 * layout.position_map.line_height;
6000 let highlight_corner_radii = Corners::all(0.05 * layout.position_map.line_height);
6001 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6002 for (range, color) in &layout.highlighted_gutter_ranges {
6003 let start_row = if range.start.row() < layout.visible_display_row_range.start {
6004 layout.visible_display_row_range.start - DisplayRow(1)
6005 } else {
6006 range.start.row()
6007 };
6008 let end_row = if range.end.row() > layout.visible_display_row_range.end {
6009 layout.visible_display_row_range.end + DisplayRow(1)
6010 } else {
6011 range.end.row()
6012 };
6013
6014 let start_y = layout.gutter_hitbox.top()
6015 + start_row.0 as f32 * layout.position_map.line_height
6016 - layout.position_map.scroll_pixel_position.y;
6017 let end_y = layout.gutter_hitbox.top()
6018 + (end_row.0 + 1) as f32 * layout.position_map.line_height
6019 - layout.position_map.scroll_pixel_position.y;
6020 let bounds = Bounds::from_corners(
6021 point(layout.gutter_hitbox.left(), start_y),
6022 point(layout.gutter_hitbox.left() + highlight_width, end_y),
6023 );
6024 window.paint_quad(fill(bounds, *color).corner_radii(highlight_corner_radii));
6025 }
6026 });
6027 }
6028
6029 fn paint_blamed_display_rows(
6030 &self,
6031 layout: &mut EditorLayout,
6032 window: &mut Window,
6033 cx: &mut App,
6034 ) {
6035 let Some(blamed_display_rows) = layout.blamed_display_rows.take() else {
6036 return;
6037 };
6038
6039 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6040 for mut blame_element in blamed_display_rows.into_iter() {
6041 blame_element.paint(window, cx);
6042 }
6043 })
6044 }
6045
6046 fn paint_text(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6047 window.with_content_mask(
6048 Some(ContentMask {
6049 bounds: layout.position_map.text_hitbox.bounds,
6050 }),
6051 |window| {
6052 let editor = self.editor.read(cx);
6053 if editor.mouse_cursor_hidden {
6054 window.set_window_cursor_style(CursorStyle::None);
6055 } else if let SelectionDragState::ReadyToDrag {
6056 mouse_down_time, ..
6057 } = &editor.selection_drag_state
6058 {
6059 let drag_and_drop_delay = Duration::from_millis(
6060 EditorSettings::get_global(cx).drag_and_drop_selection.delay,
6061 );
6062 if mouse_down_time.elapsed() >= drag_and_drop_delay {
6063 window.set_cursor_style(
6064 CursorStyle::DragCopy,
6065 &layout.position_map.text_hitbox,
6066 );
6067 }
6068 } else if matches!(
6069 editor.selection_drag_state,
6070 SelectionDragState::Dragging { .. }
6071 ) {
6072 window
6073 .set_cursor_style(CursorStyle::DragCopy, &layout.position_map.text_hitbox);
6074 } else if editor
6075 .hovered_link_state
6076 .as_ref()
6077 .is_some_and(|hovered_link_state| !hovered_link_state.links.is_empty())
6078 {
6079 window.set_cursor_style(
6080 CursorStyle::PointingHand,
6081 &layout.position_map.text_hitbox,
6082 );
6083 } else {
6084 window.set_cursor_style(CursorStyle::IBeam, &layout.position_map.text_hitbox);
6085 };
6086
6087 self.paint_lines_background(layout, window, cx);
6088 let invisible_display_ranges = self.paint_highlights(layout, window, cx);
6089 self.paint_document_colors(layout, window);
6090 self.paint_lines(&invisible_display_ranges, layout, window, cx);
6091 self.paint_redactions(layout, window);
6092 self.paint_cursors(layout, window, cx);
6093 self.paint_inline_diagnostics(layout, window, cx);
6094 self.paint_inline_blame(layout, window, cx);
6095 self.paint_inline_code_actions(layout, window, cx);
6096 self.paint_diff_hunk_controls(layout, window, cx);
6097 window.with_element_namespace("crease_trailers", |window| {
6098 for trailer in layout.crease_trailers.iter_mut().flatten() {
6099 trailer.element.paint(window, cx);
6100 }
6101 });
6102 },
6103 )
6104 }
6105
6106 fn paint_highlights(
6107 &mut self,
6108 layout: &mut EditorLayout,
6109 window: &mut Window,
6110 cx: &mut App,
6111 ) -> SmallVec<[Range<DisplayPoint>; 32]> {
6112 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6113 let mut invisible_display_ranges = SmallVec::<[Range<DisplayPoint>; 32]>::new();
6114 let line_end_overshoot = 0.15 * layout.position_map.line_height;
6115 for (range, color) in &layout.highlighted_ranges {
6116 self.paint_highlighted_range(
6117 range.clone(),
6118 true,
6119 *color,
6120 Pixels::ZERO,
6121 line_end_overshoot,
6122 layout,
6123 window,
6124 );
6125 }
6126
6127 let corner_radius = if EditorSettings::get_global(cx).rounded_selection {
6128 0.15 * layout.position_map.line_height
6129 } else {
6130 Pixels::ZERO
6131 };
6132
6133 for (player_color, selections) in &layout.selections {
6134 for selection in selections.iter() {
6135 self.paint_highlighted_range(
6136 selection.range.clone(),
6137 true,
6138 player_color.selection,
6139 corner_radius,
6140 corner_radius * 2.,
6141 layout,
6142 window,
6143 );
6144
6145 if selection.is_local && !selection.range.is_empty() {
6146 invisible_display_ranges.push(selection.range.clone());
6147 }
6148 }
6149 }
6150 invisible_display_ranges
6151 })
6152 }
6153
6154 fn paint_lines(
6155 &mut self,
6156 invisible_display_ranges: &[Range<DisplayPoint>],
6157 layout: &mut EditorLayout,
6158 window: &mut Window,
6159 cx: &mut App,
6160 ) {
6161 let whitespace_setting = self
6162 .editor
6163 .read(cx)
6164 .buffer
6165 .read(cx)
6166 .language_settings(cx)
6167 .show_whitespaces;
6168
6169 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6170 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6171 line_with_invisibles.draw(
6172 layout,
6173 row,
6174 layout.content_origin,
6175 whitespace_setting,
6176 invisible_display_ranges,
6177 window,
6178 cx,
6179 )
6180 }
6181
6182 for line_element in &mut layout.line_elements {
6183 line_element.paint(window, cx);
6184 }
6185 }
6186
6187 fn paint_lines_background(
6188 &mut self,
6189 layout: &mut EditorLayout,
6190 window: &mut Window,
6191 cx: &mut App,
6192 ) {
6193 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6194 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6195 line_with_invisibles.draw_background(layout, row, layout.content_origin, window, cx);
6196 }
6197 }
6198
6199 fn paint_redactions(&mut self, layout: &EditorLayout, window: &mut Window) {
6200 if layout.redacted_ranges.is_empty() {
6201 return;
6202 }
6203
6204 let line_end_overshoot = layout.line_end_overshoot();
6205
6206 // A softer than perfect black
6207 let redaction_color = gpui::rgb(0x0e1111);
6208
6209 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6210 for range in layout.redacted_ranges.iter() {
6211 self.paint_highlighted_range(
6212 range.clone(),
6213 true,
6214 redaction_color.into(),
6215 Pixels::ZERO,
6216 line_end_overshoot,
6217 layout,
6218 window,
6219 );
6220 }
6221 });
6222 }
6223
6224 fn paint_document_colors(&self, layout: &mut EditorLayout, window: &mut Window) {
6225 let Some((colors_render_mode, image_colors)) = &layout.document_colors else {
6226 return;
6227 };
6228 if image_colors.is_empty()
6229 || colors_render_mode == &DocumentColorsRenderMode::None
6230 || colors_render_mode == &DocumentColorsRenderMode::Inlay
6231 {
6232 return;
6233 }
6234
6235 let line_end_overshoot = layout.line_end_overshoot();
6236
6237 for (range, color) in image_colors {
6238 match colors_render_mode {
6239 DocumentColorsRenderMode::Inlay | DocumentColorsRenderMode::None => return,
6240 DocumentColorsRenderMode::Background => {
6241 self.paint_highlighted_range(
6242 range.clone(),
6243 true,
6244 *color,
6245 Pixels::ZERO,
6246 line_end_overshoot,
6247 layout,
6248 window,
6249 );
6250 }
6251 DocumentColorsRenderMode::Border => {
6252 self.paint_highlighted_range(
6253 range.clone(),
6254 false,
6255 *color,
6256 Pixels::ZERO,
6257 line_end_overshoot,
6258 layout,
6259 window,
6260 );
6261 }
6262 }
6263 }
6264 }
6265
6266 fn paint_cursors(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6267 for cursor in &mut layout.visible_cursors {
6268 cursor.paint(layout.content_origin, window, cx);
6269 }
6270 }
6271
6272 fn paint_scrollbars(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6273 let Some(scrollbars_layout) = layout.scrollbars_layout.take() else {
6274 return;
6275 };
6276 let any_scrollbar_dragged = self.editor.read(cx).scroll_manager.any_scrollbar_dragged();
6277
6278 for (scrollbar_layout, axis) in scrollbars_layout.iter_scrollbars() {
6279 let hitbox = &scrollbar_layout.hitbox;
6280 if scrollbars_layout.visible {
6281 let scrollbar_edges = match axis {
6282 ScrollbarAxis::Horizontal => Edges {
6283 top: Pixels::ZERO,
6284 right: Pixels::ZERO,
6285 bottom: Pixels::ZERO,
6286 left: Pixels::ZERO,
6287 },
6288 ScrollbarAxis::Vertical => Edges {
6289 top: Pixels::ZERO,
6290 right: Pixels::ZERO,
6291 bottom: Pixels::ZERO,
6292 left: ScrollbarLayout::BORDER_WIDTH,
6293 },
6294 };
6295
6296 window.paint_layer(hitbox.bounds, |window| {
6297 window.paint_quad(quad(
6298 hitbox.bounds,
6299 Corners::default(),
6300 cx.theme().colors().scrollbar_track_background,
6301 scrollbar_edges,
6302 cx.theme().colors().scrollbar_track_border,
6303 BorderStyle::Solid,
6304 ));
6305
6306 if axis == ScrollbarAxis::Vertical {
6307 let fast_markers =
6308 self.collect_fast_scrollbar_markers(layout, scrollbar_layout, cx);
6309 // Refresh slow scrollbar markers in the background. Below, we
6310 // paint whatever markers have already been computed.
6311 self.refresh_slow_scrollbar_markers(layout, scrollbar_layout, window, cx);
6312
6313 let markers = self.editor.read(cx).scrollbar_marker_state.markers.clone();
6314 for marker in markers.iter().chain(&fast_markers) {
6315 let mut marker = marker.clone();
6316 marker.bounds.origin += hitbox.origin;
6317 window.paint_quad(marker);
6318 }
6319 }
6320
6321 if let Some(thumb_bounds) = scrollbar_layout.thumb_bounds {
6322 let scrollbar_thumb_color = match scrollbar_layout.thumb_state {
6323 ScrollbarThumbState::Dragging => {
6324 cx.theme().colors().scrollbar_thumb_active_background
6325 }
6326 ScrollbarThumbState::Hovered => {
6327 cx.theme().colors().scrollbar_thumb_hover_background
6328 }
6329 ScrollbarThumbState::Idle => {
6330 cx.theme().colors().scrollbar_thumb_background
6331 }
6332 };
6333 window.paint_quad(quad(
6334 thumb_bounds,
6335 Corners::default(),
6336 scrollbar_thumb_color,
6337 scrollbar_edges,
6338 cx.theme().colors().scrollbar_thumb_border,
6339 BorderStyle::Solid,
6340 ));
6341
6342 if any_scrollbar_dragged {
6343 window.set_window_cursor_style(CursorStyle::Arrow);
6344 } else {
6345 window.set_cursor_style(CursorStyle::Arrow, hitbox);
6346 }
6347 }
6348 })
6349 }
6350 }
6351
6352 window.on_mouse_event({
6353 let editor = self.editor.clone();
6354 let scrollbars_layout = scrollbars_layout.clone();
6355
6356 let mut mouse_position = window.mouse_position();
6357 move |event: &MouseMoveEvent, phase, window, cx| {
6358 if phase == DispatchPhase::Capture {
6359 return;
6360 }
6361
6362 editor.update(cx, |editor, cx| {
6363 if let Some((scrollbar_layout, axis)) = event
6364 .pressed_button
6365 .filter(|button| *button == MouseButton::Left)
6366 .and(editor.scroll_manager.dragging_scrollbar_axis())
6367 .and_then(|axis| {
6368 scrollbars_layout
6369 .iter_scrollbars()
6370 .find(|(_, a)| *a == axis)
6371 })
6372 {
6373 let ScrollbarLayout {
6374 hitbox,
6375 text_unit_size,
6376 ..
6377 } = scrollbar_layout;
6378
6379 let old_position = mouse_position.along(axis);
6380 let new_position = event.position.along(axis);
6381 if (hitbox.origin.along(axis)..hitbox.bottom_right().along(axis))
6382 .contains(&old_position)
6383 {
6384 let position = editor.scroll_position(cx).apply_along(axis, |p| {
6385 (p + (new_position - old_position) / *text_unit_size).max(0.)
6386 });
6387 editor.set_scroll_position(position, window, cx);
6388 }
6389
6390 editor.scroll_manager.show_scrollbars(window, cx);
6391 cx.stop_propagation();
6392 } else if let Some((layout, axis)) = scrollbars_layout
6393 .get_hovered_axis(window)
6394 .filter(|_| !event.dragging())
6395 {
6396 if layout.thumb_hovered(&event.position) {
6397 editor
6398 .scroll_manager
6399 .set_hovered_scroll_thumb_axis(axis, cx);
6400 } else {
6401 editor.scroll_manager.reset_scrollbar_state(cx);
6402 }
6403
6404 editor.scroll_manager.show_scrollbars(window, cx);
6405 } else {
6406 editor.scroll_manager.reset_scrollbar_state(cx);
6407 }
6408
6409 mouse_position = event.position;
6410 })
6411 }
6412 });
6413
6414 if any_scrollbar_dragged {
6415 window.on_mouse_event({
6416 let editor = self.editor.clone();
6417 move |_: &MouseUpEvent, phase, window, cx| {
6418 if phase == DispatchPhase::Capture {
6419 return;
6420 }
6421
6422 editor.update(cx, |editor, cx| {
6423 if let Some((_, axis)) = scrollbars_layout.get_hovered_axis(window) {
6424 editor
6425 .scroll_manager
6426 .set_hovered_scroll_thumb_axis(axis, cx);
6427 } else {
6428 editor.scroll_manager.reset_scrollbar_state(cx);
6429 }
6430 cx.stop_propagation();
6431 });
6432 }
6433 });
6434 } else {
6435 window.on_mouse_event({
6436 let editor = self.editor.clone();
6437
6438 move |event: &MouseDownEvent, phase, window, cx| {
6439 if phase == DispatchPhase::Capture {
6440 return;
6441 }
6442 let Some((scrollbar_layout, axis)) = scrollbars_layout.get_hovered_axis(window)
6443 else {
6444 return;
6445 };
6446
6447 let ScrollbarLayout {
6448 hitbox,
6449 visible_range,
6450 text_unit_size,
6451 thumb_bounds,
6452 ..
6453 } = scrollbar_layout;
6454
6455 let Some(thumb_bounds) = thumb_bounds else {
6456 return;
6457 };
6458
6459 editor.update(cx, |editor, cx| {
6460 editor
6461 .scroll_manager
6462 .set_dragged_scroll_thumb_axis(axis, cx);
6463
6464 let event_position = event.position.along(axis);
6465
6466 if event_position < thumb_bounds.origin.along(axis)
6467 || thumb_bounds.bottom_right().along(axis) < event_position
6468 {
6469 let center_position = ((event_position - hitbox.origin.along(axis))
6470 / *text_unit_size)
6471 .round() as u32;
6472 let start_position = center_position.saturating_sub(
6473 (visible_range.end - visible_range.start) as u32 / 2,
6474 );
6475
6476 let position = editor
6477 .scroll_position(cx)
6478 .apply_along(axis, |_| start_position as f32);
6479
6480 editor.set_scroll_position(position, window, cx);
6481 } else {
6482 editor.scroll_manager.show_scrollbars(window, cx);
6483 }
6484
6485 cx.stop_propagation();
6486 });
6487 }
6488 });
6489 }
6490 }
6491
6492 fn collect_fast_scrollbar_markers(
6493 &self,
6494 layout: &EditorLayout,
6495 scrollbar_layout: &ScrollbarLayout,
6496 cx: &mut App,
6497 ) -> Vec<PaintQuad> {
6498 const LIMIT: usize = 100;
6499 if !EditorSettings::get_global(cx).scrollbar.cursors || layout.cursors.len() > LIMIT {
6500 return vec![];
6501 }
6502 let cursor_ranges = layout
6503 .cursors
6504 .iter()
6505 .map(|(point, color)| ColoredRange {
6506 start: point.row(),
6507 end: point.row(),
6508 color: *color,
6509 })
6510 .collect_vec();
6511 scrollbar_layout.marker_quads_for_ranges(cursor_ranges, None)
6512 }
6513
6514 fn refresh_slow_scrollbar_markers(
6515 &self,
6516 layout: &EditorLayout,
6517 scrollbar_layout: &ScrollbarLayout,
6518 window: &mut Window,
6519 cx: &mut App,
6520 ) {
6521 self.editor.update(cx, |editor, cx| {
6522 if !editor.is_singleton(cx)
6523 || !editor
6524 .scrollbar_marker_state
6525 .should_refresh(scrollbar_layout.hitbox.size)
6526 {
6527 return;
6528 }
6529
6530 let scrollbar_layout = scrollbar_layout.clone();
6531 let background_highlights = editor.background_highlights.clone();
6532 let snapshot = layout.position_map.snapshot.clone();
6533 let theme = cx.theme().clone();
6534 let scrollbar_settings = EditorSettings::get_global(cx).scrollbar;
6535
6536 editor.scrollbar_marker_state.dirty = false;
6537 editor.scrollbar_marker_state.pending_refresh =
6538 Some(cx.spawn_in(window, async move |editor, cx| {
6539 let scrollbar_size = scrollbar_layout.hitbox.size;
6540 let scrollbar_markers = cx
6541 .background_spawn(async move {
6542 let max_point = snapshot.display_snapshot.buffer_snapshot.max_point();
6543 let mut marker_quads = Vec::new();
6544 if scrollbar_settings.git_diff {
6545 let marker_row_ranges =
6546 snapshot.buffer_snapshot.diff_hunks().map(|hunk| {
6547 let start_display_row =
6548 MultiBufferPoint::new(hunk.row_range.start.0, 0)
6549 .to_display_point(&snapshot.display_snapshot)
6550 .row();
6551 let mut end_display_row =
6552 MultiBufferPoint::new(hunk.row_range.end.0, 0)
6553 .to_display_point(&snapshot.display_snapshot)
6554 .row();
6555 if end_display_row != start_display_row {
6556 end_display_row.0 -= 1;
6557 }
6558 let color = match &hunk.status().kind {
6559 DiffHunkStatusKind::Added => {
6560 theme.colors().version_control_added
6561 }
6562 DiffHunkStatusKind::Modified => {
6563 theme.colors().version_control_modified
6564 }
6565 DiffHunkStatusKind::Deleted => {
6566 theme.colors().version_control_deleted
6567 }
6568 };
6569 ColoredRange {
6570 start: start_display_row,
6571 end: end_display_row,
6572 color,
6573 }
6574 });
6575
6576 marker_quads.extend(
6577 scrollbar_layout
6578 .marker_quads_for_ranges(marker_row_ranges, Some(0)),
6579 );
6580 }
6581
6582 for (background_highlight_id, (_, background_ranges)) in
6583 background_highlights.iter()
6584 {
6585 let is_search_highlights = *background_highlight_id
6586 == HighlightKey::Type(TypeId::of::<BufferSearchHighlights>());
6587 let is_text_highlights = *background_highlight_id
6588 == HighlightKey::Type(TypeId::of::<SelectedTextHighlight>());
6589 let is_symbol_occurrences = *background_highlight_id
6590 == HighlightKey::Type(TypeId::of::<DocumentHighlightRead>())
6591 || *background_highlight_id
6592 == HighlightKey::Type(
6593 TypeId::of::<DocumentHighlightWrite>(),
6594 );
6595 if (is_search_highlights && scrollbar_settings.search_results)
6596 || (is_text_highlights && scrollbar_settings.selected_text)
6597 || (is_symbol_occurrences && scrollbar_settings.selected_symbol)
6598 {
6599 let mut color = theme.status().info;
6600 if is_symbol_occurrences {
6601 color.fade_out(0.5);
6602 }
6603 let marker_row_ranges = background_ranges.iter().map(|range| {
6604 let display_start = range
6605 .start
6606 .to_display_point(&snapshot.display_snapshot);
6607 let display_end =
6608 range.end.to_display_point(&snapshot.display_snapshot);
6609 ColoredRange {
6610 start: display_start.row(),
6611 end: display_end.row(),
6612 color,
6613 }
6614 });
6615 marker_quads.extend(
6616 scrollbar_layout
6617 .marker_quads_for_ranges(marker_row_ranges, Some(1)),
6618 );
6619 }
6620 }
6621
6622 if scrollbar_settings.diagnostics != ScrollbarDiagnostics::None {
6623 let diagnostics = snapshot
6624 .buffer_snapshot
6625 .diagnostics_in_range::<Point>(Point::zero()..max_point)
6626 // Don't show diagnostics the user doesn't care about
6627 .filter(|diagnostic| {
6628 match (
6629 scrollbar_settings.diagnostics,
6630 diagnostic.diagnostic.severity,
6631 ) {
6632 (ScrollbarDiagnostics::All, _) => true,
6633 (
6634 ScrollbarDiagnostics::Error,
6635 lsp::DiagnosticSeverity::ERROR,
6636 ) => true,
6637 (
6638 ScrollbarDiagnostics::Warning,
6639 lsp::DiagnosticSeverity::ERROR
6640 | lsp::DiagnosticSeverity::WARNING,
6641 ) => true,
6642 (
6643 ScrollbarDiagnostics::Information,
6644 lsp::DiagnosticSeverity::ERROR
6645 | lsp::DiagnosticSeverity::WARNING
6646 | lsp::DiagnosticSeverity::INFORMATION,
6647 ) => true,
6648 (_, _) => false,
6649 }
6650 })
6651 // We want to sort by severity, in order to paint the most severe diagnostics last.
6652 .sorted_by_key(|diagnostic| {
6653 std::cmp::Reverse(diagnostic.diagnostic.severity)
6654 });
6655
6656 let marker_row_ranges = diagnostics.into_iter().map(|diagnostic| {
6657 let start_display = diagnostic
6658 .range
6659 .start
6660 .to_display_point(&snapshot.display_snapshot);
6661 let end_display = diagnostic
6662 .range
6663 .end
6664 .to_display_point(&snapshot.display_snapshot);
6665 let color = match diagnostic.diagnostic.severity {
6666 lsp::DiagnosticSeverity::ERROR => theme.status().error,
6667 lsp::DiagnosticSeverity::WARNING => theme.status().warning,
6668 lsp::DiagnosticSeverity::INFORMATION => theme.status().info,
6669 _ => theme.status().hint,
6670 };
6671 ColoredRange {
6672 start: start_display.row(),
6673 end: end_display.row(),
6674 color,
6675 }
6676 });
6677 marker_quads.extend(
6678 scrollbar_layout
6679 .marker_quads_for_ranges(marker_row_ranges, Some(2)),
6680 );
6681 }
6682
6683 Arc::from(marker_quads)
6684 })
6685 .await;
6686
6687 editor.update(cx, |editor, cx| {
6688 editor.scrollbar_marker_state.markers = scrollbar_markers;
6689 editor.scrollbar_marker_state.scrollbar_size = scrollbar_size;
6690 editor.scrollbar_marker_state.pending_refresh = None;
6691 cx.notify();
6692 })?;
6693
6694 Ok(())
6695 }));
6696 });
6697 }
6698
6699 fn paint_highlighted_range(
6700 &self,
6701 range: Range<DisplayPoint>,
6702 fill: bool,
6703 color: Hsla,
6704 corner_radius: Pixels,
6705 line_end_overshoot: Pixels,
6706 layout: &EditorLayout,
6707 window: &mut Window,
6708 ) {
6709 let start_row = layout.visible_display_row_range.start;
6710 let end_row = layout.visible_display_row_range.end;
6711 if range.start != range.end {
6712 let row_range = if range.end.column() == 0 {
6713 cmp::max(range.start.row(), start_row)..cmp::min(range.end.row(), end_row)
6714 } else {
6715 cmp::max(range.start.row(), start_row)
6716 ..cmp::min(range.end.row().next_row(), end_row)
6717 };
6718
6719 let highlighted_range = HighlightedRange {
6720 color,
6721 line_height: layout.position_map.line_height,
6722 corner_radius,
6723 start_y: layout.content_origin.y
6724 + row_range.start.as_f32() * layout.position_map.line_height
6725 - layout.position_map.scroll_pixel_position.y,
6726 lines: row_range
6727 .iter_rows()
6728 .map(|row| {
6729 let line_layout =
6730 &layout.position_map.line_layouts[row.minus(start_row) as usize];
6731 HighlightedRangeLine {
6732 start_x: if row == range.start.row() {
6733 layout.content_origin.x
6734 + line_layout.x_for_index(range.start.column() as usize)
6735 - layout.position_map.scroll_pixel_position.x
6736 } else {
6737 layout.content_origin.x
6738 - layout.position_map.scroll_pixel_position.x
6739 },
6740 end_x: if row == range.end.row() {
6741 layout.content_origin.x
6742 + line_layout.x_for_index(range.end.column() as usize)
6743 - layout.position_map.scroll_pixel_position.x
6744 } else {
6745 layout.content_origin.x + line_layout.width + line_end_overshoot
6746 - layout.position_map.scroll_pixel_position.x
6747 },
6748 }
6749 })
6750 .collect(),
6751 };
6752
6753 highlighted_range.paint(fill, layout.position_map.text_hitbox.bounds, window);
6754 }
6755 }
6756
6757 fn paint_inline_diagnostics(
6758 &mut self,
6759 layout: &mut EditorLayout,
6760 window: &mut Window,
6761 cx: &mut App,
6762 ) {
6763 for mut inline_diagnostic in layout.inline_diagnostics.drain() {
6764 inline_diagnostic.1.paint(window, cx);
6765 }
6766 }
6767
6768 fn paint_inline_blame(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6769 if let Some(mut blame_layout) = layout.inline_blame_layout.take() {
6770 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6771 blame_layout.element.paint(window, cx);
6772 })
6773 }
6774 }
6775
6776 fn paint_inline_code_actions(
6777 &mut self,
6778 layout: &mut EditorLayout,
6779 window: &mut Window,
6780 cx: &mut App,
6781 ) {
6782 if let Some(mut inline_code_actions) = layout.inline_code_actions.take() {
6783 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6784 inline_code_actions.paint(window, cx);
6785 })
6786 }
6787 }
6788
6789 fn paint_diff_hunk_controls(
6790 &mut self,
6791 layout: &mut EditorLayout,
6792 window: &mut Window,
6793 cx: &mut App,
6794 ) {
6795 for mut diff_hunk_control in layout.diff_hunk_controls.drain(..) {
6796 diff_hunk_control.paint(window, cx);
6797 }
6798 }
6799
6800 fn paint_minimap(&self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6801 if let Some(mut layout) = layout.minimap.take() {
6802 let minimap_hitbox = layout.thumb_layout.hitbox.clone();
6803 let dragging_minimap = self.editor.read(cx).scroll_manager.is_dragging_minimap();
6804
6805 window.paint_layer(layout.thumb_layout.hitbox.bounds, |window| {
6806 window.with_element_namespace("minimap", |window| {
6807 layout.minimap.paint(window, cx);
6808 if let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds {
6809 let minimap_thumb_color = match layout.thumb_layout.thumb_state {
6810 ScrollbarThumbState::Idle => {
6811 cx.theme().colors().minimap_thumb_background
6812 }
6813 ScrollbarThumbState::Hovered => {
6814 cx.theme().colors().minimap_thumb_hover_background
6815 }
6816 ScrollbarThumbState::Dragging => {
6817 cx.theme().colors().minimap_thumb_active_background
6818 }
6819 };
6820 let minimap_thumb_border = match layout.thumb_border_style {
6821 MinimapThumbBorder::Full => Edges::all(ScrollbarLayout::BORDER_WIDTH),
6822 MinimapThumbBorder::LeftOnly => Edges {
6823 left: ScrollbarLayout::BORDER_WIDTH,
6824 ..Default::default()
6825 },
6826 MinimapThumbBorder::LeftOpen => Edges {
6827 right: ScrollbarLayout::BORDER_WIDTH,
6828 top: ScrollbarLayout::BORDER_WIDTH,
6829 bottom: ScrollbarLayout::BORDER_WIDTH,
6830 ..Default::default()
6831 },
6832 MinimapThumbBorder::RightOpen => Edges {
6833 left: ScrollbarLayout::BORDER_WIDTH,
6834 top: ScrollbarLayout::BORDER_WIDTH,
6835 bottom: ScrollbarLayout::BORDER_WIDTH,
6836 ..Default::default()
6837 },
6838 MinimapThumbBorder::None => Default::default(),
6839 };
6840
6841 window.paint_layer(minimap_hitbox.bounds, |window| {
6842 window.paint_quad(quad(
6843 thumb_bounds,
6844 Corners::default(),
6845 minimap_thumb_color,
6846 minimap_thumb_border,
6847 cx.theme().colors().minimap_thumb_border,
6848 BorderStyle::Solid,
6849 ));
6850 });
6851 }
6852 });
6853 });
6854
6855 if dragging_minimap {
6856 window.set_window_cursor_style(CursorStyle::Arrow);
6857 } else {
6858 window.set_cursor_style(CursorStyle::Arrow, &minimap_hitbox);
6859 }
6860
6861 let minimap_axis = ScrollbarAxis::Vertical;
6862 let pixels_per_line = (minimap_hitbox.size.height / layout.max_scroll_top)
6863 .min(layout.minimap_line_height);
6864
6865 let mut mouse_position = window.mouse_position();
6866
6867 window.on_mouse_event({
6868 let editor = self.editor.clone();
6869
6870 let minimap_hitbox = minimap_hitbox.clone();
6871
6872 move |event: &MouseMoveEvent, phase, window, cx| {
6873 if phase == DispatchPhase::Capture {
6874 return;
6875 }
6876
6877 editor.update(cx, |editor, cx| {
6878 if event.pressed_button == Some(MouseButton::Left)
6879 && editor.scroll_manager.is_dragging_minimap()
6880 {
6881 let old_position = mouse_position.along(minimap_axis);
6882 let new_position = event.position.along(minimap_axis);
6883 if (minimap_hitbox.origin.along(minimap_axis)
6884 ..minimap_hitbox.bottom_right().along(minimap_axis))
6885 .contains(&old_position)
6886 {
6887 let position =
6888 editor.scroll_position(cx).apply_along(minimap_axis, |p| {
6889 (p + (new_position - old_position) / pixels_per_line)
6890 .max(0.)
6891 });
6892 editor.set_scroll_position(position, window, cx);
6893 }
6894 cx.stop_propagation();
6895 } else if minimap_hitbox.is_hovered(window) {
6896 editor.scroll_manager.set_is_hovering_minimap_thumb(
6897 !event.dragging()
6898 && layout
6899 .thumb_layout
6900 .thumb_bounds
6901 .is_some_and(|bounds| bounds.contains(&event.position)),
6902 cx,
6903 );
6904
6905 // Stop hover events from propagating to the
6906 // underlying editor if the minimap hitbox is hovered
6907 if !event.dragging() {
6908 cx.stop_propagation();
6909 }
6910 } else {
6911 editor.scroll_manager.hide_minimap_thumb(cx);
6912 }
6913 mouse_position = event.position;
6914 });
6915 }
6916 });
6917
6918 if dragging_minimap {
6919 window.on_mouse_event({
6920 let editor = self.editor.clone();
6921 move |event: &MouseUpEvent, phase, window, cx| {
6922 if phase == DispatchPhase::Capture {
6923 return;
6924 }
6925
6926 editor.update(cx, |editor, cx| {
6927 if minimap_hitbox.is_hovered(window) {
6928 editor.scroll_manager.set_is_hovering_minimap_thumb(
6929 layout
6930 .thumb_layout
6931 .thumb_bounds
6932 .is_some_and(|bounds| bounds.contains(&event.position)),
6933 cx,
6934 );
6935 } else {
6936 editor.scroll_manager.hide_minimap_thumb(cx);
6937 }
6938 cx.stop_propagation();
6939 });
6940 }
6941 });
6942 } else {
6943 window.on_mouse_event({
6944 let editor = self.editor.clone();
6945
6946 move |event: &MouseDownEvent, phase, window, cx| {
6947 if phase == DispatchPhase::Capture || !minimap_hitbox.is_hovered(window) {
6948 return;
6949 }
6950
6951 let event_position = event.position;
6952
6953 let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds else {
6954 return;
6955 };
6956
6957 editor.update(cx, |editor, cx| {
6958 if !thumb_bounds.contains(&event_position) {
6959 let click_position =
6960 event_position.relative_to(&minimap_hitbox.origin).y;
6961
6962 let top_position = (click_position
6963 - thumb_bounds.size.along(minimap_axis) / 2.0)
6964 .max(Pixels::ZERO);
6965
6966 let scroll_offset = (layout.minimap_scroll_top
6967 + top_position / layout.minimap_line_height)
6968 .min(layout.max_scroll_top);
6969
6970 let scroll_position = editor
6971 .scroll_position(cx)
6972 .apply_along(minimap_axis, |_| scroll_offset);
6973 editor.set_scroll_position(scroll_position, window, cx);
6974 }
6975
6976 editor.scroll_manager.set_is_dragging_minimap(cx);
6977 cx.stop_propagation();
6978 });
6979 }
6980 });
6981 }
6982 }
6983 }
6984
6985 fn paint_blocks(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6986 for mut block in layout.blocks.drain(..) {
6987 if block.overlaps_gutter {
6988 block.element.paint(window, cx);
6989 } else {
6990 let mut bounds = layout.hitbox.bounds;
6991 bounds.origin.x += layout.gutter_hitbox.bounds.size.width;
6992 window.with_content_mask(Some(ContentMask { bounds }), |window| {
6993 block.element.paint(window, cx);
6994 })
6995 }
6996 }
6997 }
6998
6999 fn paint_edit_prediction_popover(
7000 &mut self,
7001 layout: &mut EditorLayout,
7002 window: &mut Window,
7003 cx: &mut App,
7004 ) {
7005 if let Some(edit_prediction_popover) = layout.edit_prediction_popover.as_mut() {
7006 edit_prediction_popover.paint(window, cx);
7007 }
7008 }
7009
7010 fn paint_mouse_context_menu(
7011 &mut self,
7012 layout: &mut EditorLayout,
7013 window: &mut Window,
7014 cx: &mut App,
7015 ) {
7016 if let Some(mouse_context_menu) = layout.mouse_context_menu.as_mut() {
7017 mouse_context_menu.paint(window, cx);
7018 }
7019 }
7020
7021 fn paint_scroll_wheel_listener(
7022 &mut self,
7023 layout: &EditorLayout,
7024 window: &mut Window,
7025 cx: &mut App,
7026 ) {
7027 window.on_mouse_event({
7028 let position_map = layout.position_map.clone();
7029 let editor = self.editor.clone();
7030 let hitbox = layout.hitbox.clone();
7031 let mut delta = ScrollDelta::default();
7032
7033 // Set a minimum scroll_sensitivity of 0.01 to make sure the user doesn't
7034 // accidentally turn off their scrolling.
7035 let base_scroll_sensitivity =
7036 EditorSettings::get_global(cx).scroll_sensitivity.max(0.01);
7037
7038 // Use a minimum fast_scroll_sensitivity for same reason above
7039 let fast_scroll_sensitivity = EditorSettings::get_global(cx)
7040 .fast_scroll_sensitivity
7041 .max(0.01);
7042
7043 move |event: &ScrollWheelEvent, phase, window, cx| {
7044 let scroll_sensitivity = {
7045 if event.modifiers.alt {
7046 fast_scroll_sensitivity
7047 } else {
7048 base_scroll_sensitivity
7049 }
7050 };
7051
7052 if phase == DispatchPhase::Bubble && hitbox.should_handle_scroll(window) {
7053 delta = delta.coalesce(event.delta);
7054 editor.update(cx, |editor, cx| {
7055 let position_map: &PositionMap = &position_map;
7056
7057 let line_height = position_map.line_height;
7058 let max_glyph_advance = position_map.em_advance;
7059 let (delta, axis) = match delta {
7060 gpui::ScrollDelta::Pixels(mut pixels) => {
7061 //Trackpad
7062 let axis = position_map.snapshot.ongoing_scroll.filter(&mut pixels);
7063 (pixels, axis)
7064 }
7065
7066 gpui::ScrollDelta::Lines(lines) => {
7067 //Not trackpad
7068 let pixels =
7069 point(lines.x * max_glyph_advance, lines.y * line_height);
7070 (pixels, None)
7071 }
7072 };
7073
7074 let current_scroll_position = position_map.snapshot.scroll_position();
7075 let x = (current_scroll_position.x * max_glyph_advance
7076 - (delta.x * scroll_sensitivity))
7077 / max_glyph_advance;
7078 let y = (current_scroll_position.y * line_height
7079 - (delta.y * scroll_sensitivity))
7080 / line_height;
7081 let mut scroll_position =
7082 point(x, y).clamp(&point(0., 0.), &position_map.scroll_max);
7083 let forbid_vertical_scroll = editor.scroll_manager.forbid_vertical_scroll();
7084 if forbid_vertical_scroll {
7085 scroll_position.y = current_scroll_position.y;
7086 }
7087
7088 if scroll_position != current_scroll_position {
7089 editor.scroll(scroll_position, axis, window, cx);
7090 cx.stop_propagation();
7091 } else if y < 0. {
7092 // Due to clamping, we may fail to detect cases of overscroll to the top;
7093 // We want the scroll manager to get an update in such cases and detect the change of direction
7094 // on the next frame.
7095 cx.notify();
7096 }
7097 });
7098 }
7099 }
7100 });
7101 }
7102
7103 fn paint_mouse_listeners(&mut self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
7104 if layout.mode.is_minimap() {
7105 return;
7106 }
7107
7108 self.paint_scroll_wheel_listener(layout, window, cx);
7109
7110 window.on_mouse_event({
7111 let position_map = layout.position_map.clone();
7112 let editor = self.editor.clone();
7113 let diff_hunk_range =
7114 layout
7115 .display_hunks
7116 .iter()
7117 .find_map(|(hunk, hunk_hitbox)| match hunk {
7118 DisplayDiffHunk::Folded { .. } => None,
7119 DisplayDiffHunk::Unfolded {
7120 multi_buffer_range, ..
7121 } => {
7122 if hunk_hitbox
7123 .as_ref()
7124 .map(|hitbox| hitbox.is_hovered(window))
7125 .unwrap_or(false)
7126 {
7127 Some(multi_buffer_range.clone())
7128 } else {
7129 None
7130 }
7131 }
7132 });
7133 let line_numbers = layout.line_numbers.clone();
7134
7135 move |event: &MouseDownEvent, phase, window, cx| {
7136 if phase == DispatchPhase::Bubble {
7137 match event.button {
7138 MouseButton::Left => editor.update(cx, |editor, cx| {
7139 let pending_mouse_down = editor
7140 .pending_mouse_down
7141 .get_or_insert_with(Default::default)
7142 .clone();
7143
7144 *pending_mouse_down.borrow_mut() = Some(event.clone());
7145
7146 Self::mouse_left_down(
7147 editor,
7148 event,
7149 diff_hunk_range.clone(),
7150 &position_map,
7151 line_numbers.as_ref(),
7152 window,
7153 cx,
7154 );
7155 }),
7156 MouseButton::Right => editor.update(cx, |editor, cx| {
7157 Self::mouse_right_down(editor, event, &position_map, window, cx);
7158 }),
7159 MouseButton::Middle => editor.update(cx, |editor, cx| {
7160 Self::mouse_middle_down(editor, event, &position_map, window, cx);
7161 }),
7162 _ => {}
7163 };
7164 }
7165 }
7166 });
7167
7168 window.on_mouse_event({
7169 let editor = self.editor.clone();
7170 let position_map = layout.position_map.clone();
7171
7172 move |event: &MouseUpEvent, phase, window, cx| {
7173 if phase == DispatchPhase::Bubble {
7174 editor.update(cx, |editor, cx| {
7175 Self::mouse_up(editor, event, &position_map, window, cx)
7176 });
7177 }
7178 }
7179 });
7180
7181 window.on_mouse_event({
7182 let editor = self.editor.clone();
7183 let position_map = layout.position_map.clone();
7184 let mut captured_mouse_down = None;
7185
7186 move |event: &MouseUpEvent, phase, window, cx| match phase {
7187 // Clear the pending mouse down during the capture phase,
7188 // so that it happens even if another event handler stops
7189 // propagation.
7190 DispatchPhase::Capture => editor.update(cx, |editor, _cx| {
7191 let pending_mouse_down = editor
7192 .pending_mouse_down
7193 .get_or_insert_with(Default::default)
7194 .clone();
7195
7196 let mut pending_mouse_down = pending_mouse_down.borrow_mut();
7197 if pending_mouse_down.is_some() && position_map.text_hitbox.is_hovered(window) {
7198 captured_mouse_down = pending_mouse_down.take();
7199 window.refresh();
7200 }
7201 }),
7202 // Fire click handlers during the bubble phase.
7203 DispatchPhase::Bubble => editor.update(cx, |editor, cx| {
7204 if let Some(mouse_down) = captured_mouse_down.take() {
7205 let event = ClickEvent::Mouse(MouseClickEvent {
7206 down: mouse_down,
7207 up: event.clone(),
7208 });
7209 Self::click(editor, &event, &position_map, window, cx);
7210 }
7211 }),
7212 }
7213 });
7214
7215 window.on_mouse_event({
7216 let position_map = layout.position_map.clone();
7217 let editor = self.editor.clone();
7218
7219 move |event: &MouseMoveEvent, phase, window, cx| {
7220 if phase == DispatchPhase::Bubble {
7221 editor.update(cx, |editor, cx| {
7222 if editor.hover_state.focused(window, cx) {
7223 return;
7224 }
7225 if event.pressed_button == Some(MouseButton::Left)
7226 || event.pressed_button == Some(MouseButton::Middle)
7227 {
7228 Self::mouse_dragged(editor, event, &position_map, window, cx)
7229 }
7230
7231 Self::mouse_moved(editor, event, &position_map, window, cx)
7232 });
7233 }
7234 }
7235 });
7236 }
7237
7238 fn column_pixels(&self, column: usize, window: &Window) -> Pixels {
7239 let style = &self.style;
7240 let font_size = style.text.font_size.to_pixels(window.rem_size());
7241 let layout = window.text_system().shape_line(
7242 SharedString::from(" ".repeat(column)),
7243 font_size,
7244 &[TextRun {
7245 len: column,
7246 font: style.text.font(),
7247 color: Hsla::default(),
7248 background_color: None,
7249 underline: None,
7250 strikethrough: None,
7251 }],
7252 None,
7253 );
7254
7255 layout.width
7256 }
7257
7258 fn max_line_number_width(&self, snapshot: &EditorSnapshot, window: &mut Window) -> Pixels {
7259 let digit_count = snapshot.widest_line_number().ilog10() + 1;
7260 self.column_pixels(digit_count as usize, window)
7261 }
7262
7263 fn shape_line_number(
7264 &self,
7265 text: SharedString,
7266 color: Hsla,
7267 window: &mut Window,
7268 ) -> ShapedLine {
7269 let run = TextRun {
7270 len: text.len(),
7271 font: self.style.text.font(),
7272 color,
7273 background_color: None,
7274 underline: None,
7275 strikethrough: None,
7276 };
7277 window.text_system().shape_line(
7278 text,
7279 self.style.text.font_size.to_pixels(window.rem_size()),
7280 &[run],
7281 None,
7282 )
7283 }
7284
7285 fn diff_hunk_hollow(status: DiffHunkStatus, cx: &mut App) -> bool {
7286 let unstaged = status.has_secondary_hunk();
7287 let unstaged_hollow = ProjectSettings::get_global(cx)
7288 .git
7289 .hunk_style
7290 .is_some_and(|style| matches!(style, GitHunkStyleSetting::UnstagedHollow));
7291
7292 unstaged == unstaged_hollow
7293 }
7294}
7295
7296fn header_jump_data(
7297 snapshot: &EditorSnapshot,
7298 block_row_start: DisplayRow,
7299 height: u32,
7300 for_excerpt: &ExcerptInfo,
7301) -> JumpData {
7302 let range = &for_excerpt.range;
7303 let buffer = &for_excerpt.buffer;
7304 let jump_anchor = range.primary.start;
7305
7306 let excerpt_start = range.context.start;
7307 let jump_position = language::ToPoint::to_point(&jump_anchor, buffer);
7308 let rows_from_excerpt_start = if jump_anchor == excerpt_start {
7309 0
7310 } else {
7311 let excerpt_start_point = language::ToPoint::to_point(&excerpt_start, buffer);
7312 jump_position.row.saturating_sub(excerpt_start_point.row)
7313 };
7314
7315 let line_offset_from_top = (block_row_start.0 + height + rows_from_excerpt_start)
7316 .saturating_sub(
7317 snapshot
7318 .scroll_anchor
7319 .scroll_position(&snapshot.display_snapshot)
7320 .y as u32,
7321 );
7322
7323 JumpData::MultiBufferPoint {
7324 excerpt_id: for_excerpt.id,
7325 anchor: jump_anchor,
7326 position: jump_position,
7327 line_offset_from_top,
7328 }
7329}
7330
7331pub struct AcceptEditPredictionBinding(pub(crate) Option<gpui::KeyBinding>);
7332
7333impl AcceptEditPredictionBinding {
7334 pub fn keystroke(&self) -> Option<&KeybindingKeystroke> {
7335 if let Some(binding) = self.0.as_ref() {
7336 match &binding.keystrokes() {
7337 [keystroke, ..] => Some(keystroke),
7338 _ => None,
7339 }
7340 } else {
7341 None
7342 }
7343 }
7344}
7345
7346fn prepaint_gutter_button(
7347 button: IconButton,
7348 row: DisplayRow,
7349 line_height: Pixels,
7350 gutter_dimensions: &GutterDimensions,
7351 scroll_pixel_position: gpui::Point<Pixels>,
7352 gutter_hitbox: &Hitbox,
7353 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
7354 window: &mut Window,
7355 cx: &mut App,
7356) -> AnyElement {
7357 let mut button = button.into_any_element();
7358
7359 let available_space = size(
7360 AvailableSpace::MinContent,
7361 AvailableSpace::Definite(line_height),
7362 );
7363 let indicator_size = button.layout_as_root(available_space, window, cx);
7364
7365 let blame_width = gutter_dimensions.git_blame_entries_width;
7366 let gutter_width = display_hunks
7367 .binary_search_by(|(hunk, _)| match hunk {
7368 DisplayDiffHunk::Folded { display_row } => display_row.cmp(&row),
7369 DisplayDiffHunk::Unfolded {
7370 display_row_range, ..
7371 } => {
7372 if display_row_range.end <= row {
7373 Ordering::Less
7374 } else if display_row_range.start > row {
7375 Ordering::Greater
7376 } else {
7377 Ordering::Equal
7378 }
7379 }
7380 })
7381 .ok()
7382 .and_then(|ix| Some(display_hunks[ix].1.as_ref()?.size.width));
7383 let left_offset = blame_width.max(gutter_width).unwrap_or_default();
7384
7385 let mut x = left_offset;
7386 let available_width = gutter_dimensions.margin + gutter_dimensions.left_padding
7387 - indicator_size.width
7388 - left_offset;
7389 x += available_width / 2.;
7390
7391 let mut y = row.as_f32() * line_height - scroll_pixel_position.y;
7392 y += (line_height - indicator_size.height) / 2.;
7393
7394 button.prepaint_as_root(
7395 gutter_hitbox.origin + point(x, y),
7396 available_space,
7397 window,
7398 cx,
7399 );
7400 button
7401}
7402
7403fn render_inline_blame_entry(
7404 blame_entry: BlameEntry,
7405 style: &EditorStyle,
7406 cx: &mut App,
7407) -> Option<AnyElement> {
7408 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7409 renderer.render_inline_blame_entry(&style.text, blame_entry, cx)
7410}
7411
7412fn render_blame_entry_popover(
7413 blame_entry: BlameEntry,
7414 scroll_handle: ScrollHandle,
7415 commit_message: Option<ParsedCommitMessage>,
7416 markdown: Entity<Markdown>,
7417 workspace: WeakEntity<Workspace>,
7418 blame: &Entity<GitBlame>,
7419 buffer: BufferId,
7420 window: &mut Window,
7421 cx: &mut App,
7422) -> Option<AnyElement> {
7423 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7424 let blame = blame.read(cx);
7425 let repository = blame.repository(cx, buffer)?;
7426 renderer.render_blame_entry_popover(
7427 blame_entry,
7428 scroll_handle,
7429 commit_message,
7430 markdown,
7431 repository,
7432 workspace,
7433 window,
7434 cx,
7435 )
7436}
7437
7438fn render_blame_entry(
7439 ix: usize,
7440 blame: &Entity<GitBlame>,
7441 blame_entry: BlameEntry,
7442 style: &EditorStyle,
7443 last_used_color: &mut Option<(PlayerColor, Oid)>,
7444 editor: Entity<Editor>,
7445 workspace: Entity<Workspace>,
7446 buffer: BufferId,
7447 renderer: Arc<dyn BlameRenderer>,
7448 cx: &mut App,
7449) -> Option<AnyElement> {
7450 let mut sha_color = cx
7451 .theme()
7452 .players()
7453 .color_for_participant(blame_entry.sha.into());
7454
7455 // If the last color we used is the same as the one we get for this line, but
7456 // the commit SHAs are different, then we try again to get a different color.
7457 match *last_used_color {
7458 Some((color, sha)) if sha != blame_entry.sha && color.cursor == sha_color.cursor => {
7459 let index: u32 = blame_entry.sha.into();
7460 sha_color = cx.theme().players().color_for_participant(index + 1);
7461 }
7462 _ => {}
7463 };
7464 last_used_color.replace((sha_color, blame_entry.sha));
7465
7466 let blame = blame.read(cx);
7467 let details = blame.details_for_entry(buffer, &blame_entry);
7468 let repository = blame.repository(cx, buffer)?;
7469 renderer.render_blame_entry(
7470 &style.text,
7471 blame_entry,
7472 details,
7473 repository,
7474 workspace.downgrade(),
7475 editor,
7476 ix,
7477 sha_color.cursor,
7478 cx,
7479 )
7480}
7481
7482#[derive(Debug)]
7483pub(crate) struct LineWithInvisibles {
7484 fragments: SmallVec<[LineFragment; 1]>,
7485 invisibles: Vec<Invisible>,
7486 len: usize,
7487 pub(crate) width: Pixels,
7488 font_size: Pixels,
7489}
7490
7491enum LineFragment {
7492 Text(ShapedLine),
7493 Element {
7494 id: ChunkRendererId,
7495 element: Option<AnyElement>,
7496 size: Size<Pixels>,
7497 len: usize,
7498 },
7499}
7500
7501impl fmt::Debug for LineFragment {
7502 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
7503 match self {
7504 LineFragment::Text(shaped_line) => f.debug_tuple("Text").field(shaped_line).finish(),
7505 LineFragment::Element { size, len, .. } => f
7506 .debug_struct("Element")
7507 .field("size", size)
7508 .field("len", len)
7509 .finish(),
7510 }
7511 }
7512}
7513
7514impl LineWithInvisibles {
7515 fn from_chunks<'a>(
7516 chunks: impl Iterator<Item = HighlightedChunk<'a>>,
7517 editor_style: &EditorStyle,
7518 max_line_len: usize,
7519 max_line_count: usize,
7520 editor_mode: &EditorMode,
7521 text_width: Pixels,
7522 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
7523 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
7524 window: &mut Window,
7525 cx: &mut App,
7526 ) -> Vec<Self> {
7527 let text_style = &editor_style.text;
7528 let mut layouts = Vec::with_capacity(max_line_count);
7529 let mut fragments: SmallVec<[LineFragment; 1]> = SmallVec::new();
7530 let mut line = String::new();
7531 let mut invisibles = Vec::new();
7532 let mut width = Pixels::ZERO;
7533 let mut len = 0;
7534 let mut styles = Vec::new();
7535 let mut non_whitespace_added = false;
7536 let mut row = 0;
7537 let mut line_exceeded_max_len = false;
7538 let font_size = text_style.font_size.to_pixels(window.rem_size());
7539 let min_contrast = EditorSettings::get_global(cx).minimum_contrast_for_highlights;
7540
7541 let ellipsis = SharedString::from("β―");
7542
7543 for highlighted_chunk in chunks.chain([HighlightedChunk {
7544 text: "\n",
7545 style: None,
7546 is_tab: false,
7547 is_inlay: false,
7548 replacement: None,
7549 }]) {
7550 if let Some(replacement) = highlighted_chunk.replacement {
7551 if !line.is_empty() {
7552 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7553 let text_runs: &[TextRun] = if segments.is_empty() {
7554 &styles
7555 } else {
7556 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast)
7557 };
7558 let shaped_line = window.text_system().shape_line(
7559 line.clone().into(),
7560 font_size,
7561 text_runs,
7562 None,
7563 );
7564 width += shaped_line.width;
7565 len += shaped_line.len;
7566 fragments.push(LineFragment::Text(shaped_line));
7567 line.clear();
7568 styles.clear();
7569 }
7570
7571 match replacement {
7572 ChunkReplacement::Renderer(renderer) => {
7573 let available_width = if renderer.constrain_width {
7574 let chunk = if highlighted_chunk.text == ellipsis.as_ref() {
7575 ellipsis.clone()
7576 } else {
7577 SharedString::from(Arc::from(highlighted_chunk.text))
7578 };
7579 let shaped_line = window.text_system().shape_line(
7580 chunk,
7581 font_size,
7582 &[text_style.to_run(highlighted_chunk.text.len())],
7583 None,
7584 );
7585 AvailableSpace::Definite(shaped_line.width)
7586 } else {
7587 AvailableSpace::MinContent
7588 };
7589
7590 let mut element = (renderer.render)(&mut ChunkRendererContext {
7591 context: cx,
7592 window,
7593 max_width: text_width,
7594 });
7595 let line_height = text_style.line_height_in_pixels(window.rem_size());
7596 let size = element.layout_as_root(
7597 size(available_width, AvailableSpace::Definite(line_height)),
7598 window,
7599 cx,
7600 );
7601
7602 width += size.width;
7603 len += highlighted_chunk.text.len();
7604 fragments.push(LineFragment::Element {
7605 id: renderer.id,
7606 element: Some(element),
7607 size,
7608 len: highlighted_chunk.text.len(),
7609 });
7610 }
7611 ChunkReplacement::Str(x) => {
7612 let text_style = if let Some(style) = highlighted_chunk.style {
7613 Cow::Owned(text_style.clone().highlight(style))
7614 } else {
7615 Cow::Borrowed(text_style)
7616 };
7617
7618 let run = TextRun {
7619 len: x.len(),
7620 font: text_style.font(),
7621 color: text_style.color,
7622 background_color: text_style.background_color,
7623 underline: text_style.underline,
7624 strikethrough: text_style.strikethrough,
7625 };
7626 let line_layout = window
7627 .text_system()
7628 .shape_line(x, font_size, &[run], None)
7629 .with_len(highlighted_chunk.text.len());
7630
7631 width += line_layout.width;
7632 len += highlighted_chunk.text.len();
7633 fragments.push(LineFragment::Text(line_layout))
7634 }
7635 }
7636 } else {
7637 for (ix, mut line_chunk) in highlighted_chunk.text.split('\n').enumerate() {
7638 if ix > 0 {
7639 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7640 let text_runs = if segments.is_empty() {
7641 &styles
7642 } else {
7643 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast)
7644 };
7645 let shaped_line = window.text_system().shape_line(
7646 line.clone().into(),
7647 font_size,
7648 text_runs,
7649 None,
7650 );
7651 width += shaped_line.width;
7652 len += shaped_line.len;
7653 fragments.push(LineFragment::Text(shaped_line));
7654 layouts.push(Self {
7655 width: mem::take(&mut width),
7656 len: mem::take(&mut len),
7657 fragments: mem::take(&mut fragments),
7658 invisibles: std::mem::take(&mut invisibles),
7659 font_size,
7660 });
7661
7662 line.clear();
7663 styles.clear();
7664 row += 1;
7665 line_exceeded_max_len = false;
7666 non_whitespace_added = false;
7667 if row == max_line_count {
7668 return layouts;
7669 }
7670 }
7671
7672 if !line_chunk.is_empty() && !line_exceeded_max_len {
7673 let text_style = if let Some(style) = highlighted_chunk.style {
7674 Cow::Owned(text_style.clone().highlight(style))
7675 } else {
7676 Cow::Borrowed(text_style)
7677 };
7678
7679 if line.len() + line_chunk.len() > max_line_len {
7680 let mut chunk_len = max_line_len - line.len();
7681 while !line_chunk.is_char_boundary(chunk_len) {
7682 chunk_len -= 1;
7683 }
7684 line_chunk = &line_chunk[..chunk_len];
7685 line_exceeded_max_len = true;
7686 }
7687
7688 styles.push(TextRun {
7689 len: line_chunk.len(),
7690 font: text_style.font(),
7691 color: text_style.color,
7692 background_color: text_style.background_color,
7693 underline: text_style.underline,
7694 strikethrough: text_style.strikethrough,
7695 });
7696
7697 if editor_mode.is_full() && !highlighted_chunk.is_inlay {
7698 // Line wrap pads its contents with fake whitespaces,
7699 // avoid printing them
7700 let is_soft_wrapped = is_row_soft_wrapped(row);
7701 if highlighted_chunk.is_tab {
7702 if non_whitespace_added || !is_soft_wrapped {
7703 invisibles.push(Invisible::Tab {
7704 line_start_offset: line.len(),
7705 line_end_offset: line.len() + line_chunk.len(),
7706 });
7707 }
7708 } else {
7709 invisibles.extend(line_chunk.char_indices().filter_map(
7710 |(index, c)| {
7711 let is_whitespace = c.is_whitespace();
7712 non_whitespace_added |= !is_whitespace;
7713 if is_whitespace
7714 && (non_whitespace_added || !is_soft_wrapped)
7715 {
7716 Some(Invisible::Whitespace {
7717 line_offset: line.len() + index,
7718 })
7719 } else {
7720 None
7721 }
7722 },
7723 ))
7724 }
7725 }
7726
7727 line.push_str(line_chunk);
7728 }
7729 }
7730 }
7731 }
7732
7733 layouts
7734 }
7735
7736 /// Takes text runs and non-overlapping left-to-right background ranges with color.
7737 /// Returns new text runs with adjusted contrast as per background ranges.
7738 fn split_runs_by_bg_segments(
7739 text_runs: &[TextRun],
7740 bg_segments: &[(Range<DisplayPoint>, Hsla)],
7741 min_contrast: f32,
7742 ) -> Vec<TextRun> {
7743 let mut output_runs: Vec<TextRun> = Vec::with_capacity(text_runs.len());
7744 let mut line_col = 0usize;
7745 let mut segment_ix = 0usize;
7746
7747 for text_run in text_runs.iter() {
7748 let run_start_col = line_col;
7749 let run_end_col = run_start_col + text_run.len;
7750 while segment_ix < bg_segments.len()
7751 && (bg_segments[segment_ix].0.end.column() as usize) <= run_start_col
7752 {
7753 segment_ix += 1;
7754 }
7755 let mut cursor_col = run_start_col;
7756 let mut local_segment_ix = segment_ix;
7757 while local_segment_ix < bg_segments.len() {
7758 let (range, segment_color) = &bg_segments[local_segment_ix];
7759 let segment_start_col = range.start.column() as usize;
7760 let segment_end_col = range.end.column() as usize;
7761 if segment_start_col >= run_end_col {
7762 break;
7763 }
7764 if segment_start_col > cursor_col {
7765 let span_len = segment_start_col - cursor_col;
7766 output_runs.push(TextRun {
7767 len: span_len,
7768 font: text_run.font.clone(),
7769 color: text_run.color,
7770 background_color: text_run.background_color,
7771 underline: text_run.underline,
7772 strikethrough: text_run.strikethrough,
7773 });
7774 cursor_col = segment_start_col;
7775 }
7776 let segment_slice_end_col = segment_end_col.min(run_end_col);
7777 if segment_slice_end_col > cursor_col {
7778 let new_text_color =
7779 ensure_minimum_contrast(text_run.color, *segment_color, min_contrast);
7780 output_runs.push(TextRun {
7781 len: segment_slice_end_col - cursor_col,
7782 font: text_run.font.clone(),
7783 color: new_text_color,
7784 background_color: text_run.background_color,
7785 underline: text_run.underline,
7786 strikethrough: text_run.strikethrough,
7787 });
7788 cursor_col = segment_slice_end_col;
7789 }
7790 if segment_end_col >= run_end_col {
7791 break;
7792 }
7793 local_segment_ix += 1;
7794 }
7795 if cursor_col < run_end_col {
7796 output_runs.push(TextRun {
7797 len: run_end_col - cursor_col,
7798 font: text_run.font.clone(),
7799 color: text_run.color,
7800 background_color: text_run.background_color,
7801 underline: text_run.underline,
7802 strikethrough: text_run.strikethrough,
7803 });
7804 }
7805 line_col = run_end_col;
7806 segment_ix = local_segment_ix;
7807 }
7808 output_runs
7809 }
7810
7811 fn prepaint(
7812 &mut self,
7813 line_height: Pixels,
7814 scroll_pixel_position: gpui::Point<Pixels>,
7815 row: DisplayRow,
7816 content_origin: gpui::Point<Pixels>,
7817 line_elements: &mut SmallVec<[AnyElement; 1]>,
7818 window: &mut Window,
7819 cx: &mut App,
7820 ) {
7821 let line_y = line_height * (row.as_f32() - scroll_pixel_position.y / line_height);
7822 let mut fragment_origin = content_origin + gpui::point(-scroll_pixel_position.x, line_y);
7823 for fragment in &mut self.fragments {
7824 match fragment {
7825 LineFragment::Text(line) => {
7826 fragment_origin.x += line.width;
7827 }
7828 LineFragment::Element { element, size, .. } => {
7829 let mut element = element
7830 .take()
7831 .expect("you can't prepaint LineWithInvisibles twice");
7832
7833 // Center the element vertically within the line.
7834 let mut element_origin = fragment_origin;
7835 element_origin.y += (line_height - size.height) / 2.;
7836 element.prepaint_at(element_origin, window, cx);
7837 line_elements.push(element);
7838
7839 fragment_origin.x += size.width;
7840 }
7841 }
7842 }
7843 }
7844
7845 fn draw(
7846 &self,
7847 layout: &EditorLayout,
7848 row: DisplayRow,
7849 content_origin: gpui::Point<Pixels>,
7850 whitespace_setting: ShowWhitespaceSetting,
7851 selection_ranges: &[Range<DisplayPoint>],
7852 window: &mut Window,
7853 cx: &mut App,
7854 ) {
7855 let line_height = layout.position_map.line_height;
7856 let line_y = line_height
7857 * (row.as_f32() - layout.position_map.scroll_pixel_position.y / line_height);
7858
7859 let mut fragment_origin =
7860 content_origin + gpui::point(-layout.position_map.scroll_pixel_position.x, line_y);
7861
7862 for fragment in &self.fragments {
7863 match fragment {
7864 LineFragment::Text(line) => {
7865 line.paint(fragment_origin, line_height, window, cx)
7866 .log_err();
7867 fragment_origin.x += line.width;
7868 }
7869 LineFragment::Element { size, .. } => {
7870 fragment_origin.x += size.width;
7871 }
7872 }
7873 }
7874
7875 self.draw_invisibles(
7876 selection_ranges,
7877 layout,
7878 content_origin,
7879 line_y,
7880 row,
7881 line_height,
7882 whitespace_setting,
7883 window,
7884 cx,
7885 );
7886 }
7887
7888 fn draw_background(
7889 &self,
7890 layout: &EditorLayout,
7891 row: DisplayRow,
7892 content_origin: gpui::Point<Pixels>,
7893 window: &mut Window,
7894 cx: &mut App,
7895 ) {
7896 let line_height = layout.position_map.line_height;
7897 let line_y = line_height
7898 * (row.as_f32() - layout.position_map.scroll_pixel_position.y / line_height);
7899
7900 let mut fragment_origin =
7901 content_origin + gpui::point(-layout.position_map.scroll_pixel_position.x, line_y);
7902
7903 for fragment in &self.fragments {
7904 match fragment {
7905 LineFragment::Text(line) => {
7906 line.paint_background(fragment_origin, line_height, window, cx)
7907 .log_err();
7908 fragment_origin.x += line.width;
7909 }
7910 LineFragment::Element { size, .. } => {
7911 fragment_origin.x += size.width;
7912 }
7913 }
7914 }
7915 }
7916
7917 fn draw_invisibles(
7918 &self,
7919 selection_ranges: &[Range<DisplayPoint>],
7920 layout: &EditorLayout,
7921 content_origin: gpui::Point<Pixels>,
7922 line_y: Pixels,
7923 row: DisplayRow,
7924 line_height: Pixels,
7925 whitespace_setting: ShowWhitespaceSetting,
7926 window: &mut Window,
7927 cx: &mut App,
7928 ) {
7929 let extract_whitespace_info = |invisible: &Invisible| {
7930 let (token_offset, token_end_offset, invisible_symbol) = match invisible {
7931 Invisible::Tab {
7932 line_start_offset,
7933 line_end_offset,
7934 } => (*line_start_offset, *line_end_offset, &layout.tab_invisible),
7935 Invisible::Whitespace { line_offset } => {
7936 (*line_offset, line_offset + 1, &layout.space_invisible)
7937 }
7938 };
7939
7940 let x_offset = self.x_for_index(token_offset);
7941 let invisible_offset =
7942 (layout.position_map.em_width - invisible_symbol.width).max(Pixels::ZERO) / 2.0;
7943 let origin = content_origin
7944 + gpui::point(
7945 x_offset + invisible_offset - layout.position_map.scroll_pixel_position.x,
7946 line_y,
7947 );
7948
7949 (
7950 [token_offset, token_end_offset],
7951 Box::new(move |window: &mut Window, cx: &mut App| {
7952 invisible_symbol
7953 .paint(origin, line_height, window, cx)
7954 .log_err();
7955 }),
7956 )
7957 };
7958
7959 let invisible_iter = self.invisibles.iter().map(extract_whitespace_info);
7960 match whitespace_setting {
7961 ShowWhitespaceSetting::None => (),
7962 ShowWhitespaceSetting::All => invisible_iter.for_each(|(_, paint)| paint(window, cx)),
7963 ShowWhitespaceSetting::Selection => invisible_iter.for_each(|([start, _], paint)| {
7964 let invisible_point = DisplayPoint::new(row, start as u32);
7965 if !selection_ranges
7966 .iter()
7967 .any(|region| region.start <= invisible_point && invisible_point < region.end)
7968 {
7969 return;
7970 }
7971
7972 paint(window, cx);
7973 }),
7974
7975 ShowWhitespaceSetting::Trailing => {
7976 let mut previous_start = self.len;
7977 for ([start, end], paint) in invisible_iter.rev() {
7978 if previous_start != end {
7979 break;
7980 }
7981 previous_start = start;
7982 paint(window, cx);
7983 }
7984 }
7985
7986 // For a whitespace to be on a boundary, any of the following conditions need to be met:
7987 // - It is a tab
7988 // - It is adjacent to an edge (start or end)
7989 // - It is adjacent to a whitespace (left or right)
7990 ShowWhitespaceSetting::Boundary => {
7991 // 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
7992 // the above cases.
7993 // Note: We zip in the original `invisibles` to check for tab equality
7994 let mut last_seen: Option<(bool, usize, Box<dyn Fn(&mut Window, &mut App)>)> = None;
7995 for (([start, end], paint), invisible) in
7996 invisible_iter.zip_eq(self.invisibles.iter())
7997 {
7998 let should_render = match (&last_seen, invisible) {
7999 (_, Invisible::Tab { .. }) => true,
8000 (Some((_, last_end, _)), _) => *last_end == start,
8001 _ => false,
8002 };
8003
8004 if should_render || start == 0 || end == self.len {
8005 paint(window, cx);
8006
8007 // Since we are scanning from the left, we will skip over the first available whitespace that is part
8008 // of a boundary between non-whitespace segments, so we correct by manually redrawing it if needed.
8009 if let Some((should_render_last, last_end, paint_last)) = last_seen {
8010 // Note that we need to make sure that the last one is actually adjacent
8011 if !should_render_last && last_end == start {
8012 paint_last(window, cx);
8013 }
8014 }
8015 }
8016
8017 // Manually render anything within a selection
8018 let invisible_point = DisplayPoint::new(row, start as u32);
8019 if selection_ranges.iter().any(|region| {
8020 region.start <= invisible_point && invisible_point < region.end
8021 }) {
8022 paint(window, cx);
8023 }
8024
8025 last_seen = Some((should_render, end, paint));
8026 }
8027 }
8028 }
8029 }
8030
8031 pub fn x_for_index(&self, index: usize) -> Pixels {
8032 let mut fragment_start_x = Pixels::ZERO;
8033 let mut fragment_start_index = 0;
8034
8035 for fragment in &self.fragments {
8036 match fragment {
8037 LineFragment::Text(shaped_line) => {
8038 let fragment_end_index = fragment_start_index + shaped_line.len;
8039 if index < fragment_end_index {
8040 return fragment_start_x
8041 + shaped_line.x_for_index(index - fragment_start_index);
8042 }
8043 fragment_start_x += shaped_line.width;
8044 fragment_start_index = fragment_end_index;
8045 }
8046 LineFragment::Element { len, size, .. } => {
8047 let fragment_end_index = fragment_start_index + len;
8048 if index < fragment_end_index {
8049 return fragment_start_x;
8050 }
8051 fragment_start_x += size.width;
8052 fragment_start_index = fragment_end_index;
8053 }
8054 }
8055 }
8056
8057 fragment_start_x
8058 }
8059
8060 pub fn index_for_x(&self, x: Pixels) -> Option<usize> {
8061 let mut fragment_start_x = Pixels::ZERO;
8062 let mut fragment_start_index = 0;
8063
8064 for fragment in &self.fragments {
8065 match fragment {
8066 LineFragment::Text(shaped_line) => {
8067 let fragment_end_x = fragment_start_x + shaped_line.width;
8068 if x < fragment_end_x {
8069 return Some(
8070 fragment_start_index + shaped_line.index_for_x(x - fragment_start_x)?,
8071 );
8072 }
8073 fragment_start_x = fragment_end_x;
8074 fragment_start_index += shaped_line.len;
8075 }
8076 LineFragment::Element { len, size, .. } => {
8077 let fragment_end_x = fragment_start_x + size.width;
8078 if x < fragment_end_x {
8079 return Some(fragment_start_index);
8080 }
8081 fragment_start_index += len;
8082 fragment_start_x = fragment_end_x;
8083 }
8084 }
8085 }
8086
8087 None
8088 }
8089
8090 pub fn font_id_for_index(&self, index: usize) -> Option<FontId> {
8091 let mut fragment_start_index = 0;
8092
8093 for fragment in &self.fragments {
8094 match fragment {
8095 LineFragment::Text(shaped_line) => {
8096 let fragment_end_index = fragment_start_index + shaped_line.len;
8097 if index < fragment_end_index {
8098 return shaped_line.font_id_for_index(index - fragment_start_index);
8099 }
8100 fragment_start_index = fragment_end_index;
8101 }
8102 LineFragment::Element { len, .. } => {
8103 let fragment_end_index = fragment_start_index + len;
8104 if index < fragment_end_index {
8105 return None;
8106 }
8107 fragment_start_index = fragment_end_index;
8108 }
8109 }
8110 }
8111
8112 None
8113 }
8114}
8115
8116#[derive(Debug, Clone, Copy, PartialEq, Eq)]
8117enum Invisible {
8118 /// A tab character
8119 ///
8120 /// A tab character is internally represented by spaces (configured by the user's tab width)
8121 /// aligned to the nearest column, so it's necessary to store the start and end offset for
8122 /// adjacency checks.
8123 Tab {
8124 line_start_offset: usize,
8125 line_end_offset: usize,
8126 },
8127 Whitespace {
8128 line_offset: usize,
8129 },
8130}
8131
8132impl EditorElement {
8133 /// Returns the rem size to use when rendering the [`EditorElement`].
8134 ///
8135 /// This allows UI elements to scale based on the `buffer_font_size`.
8136 fn rem_size(&self, cx: &mut App) -> Option<Pixels> {
8137 match self.editor.read(cx).mode {
8138 EditorMode::Full {
8139 scale_ui_elements_with_buffer_font_size: true,
8140 ..
8141 }
8142 | EditorMode::Minimap { .. } => {
8143 let buffer_font_size = self.style.text.font_size;
8144 match buffer_font_size {
8145 AbsoluteLength::Pixels(pixels) => {
8146 let rem_size_scale = {
8147 // Our default UI font size is 14px on a 16px base scale.
8148 // This means the default UI font size is 0.875rems.
8149 let default_font_size_scale = 14. / ui::BASE_REM_SIZE_IN_PX;
8150
8151 // We then determine the delta between a single rem and the default font
8152 // size scale.
8153 let default_font_size_delta = 1. - default_font_size_scale;
8154
8155 // Finally, we add this delta to 1rem to get the scale factor that
8156 // should be used to scale up the UI.
8157 1. + default_font_size_delta
8158 };
8159
8160 Some(pixels * rem_size_scale)
8161 }
8162 AbsoluteLength::Rems(rems) => {
8163 Some(rems.to_pixels(ui::BASE_REM_SIZE_IN_PX.into()))
8164 }
8165 }
8166 }
8167 // We currently use single-line and auto-height editors in UI contexts,
8168 // so we don't want to scale everything with the buffer font size, as it
8169 // ends up looking off.
8170 _ => None,
8171 }
8172 }
8173
8174 fn editor_with_selections(&self, cx: &App) -> Option<Entity<Editor>> {
8175 if let EditorMode::Minimap { parent } = self.editor.read(cx).mode() {
8176 parent.upgrade()
8177 } else {
8178 Some(self.editor.clone())
8179 }
8180 }
8181}
8182
8183impl Element for EditorElement {
8184 type RequestLayoutState = ();
8185 type PrepaintState = EditorLayout;
8186
8187 fn id(&self) -> Option<ElementId> {
8188 None
8189 }
8190
8191 fn source_location(&self) -> Option<&'static core::panic::Location<'static>> {
8192 None
8193 }
8194
8195 fn request_layout(
8196 &mut self,
8197 _: Option<&GlobalElementId>,
8198 _inspector_id: Option<&gpui::InspectorElementId>,
8199 window: &mut Window,
8200 cx: &mut App,
8201 ) -> (gpui::LayoutId, ()) {
8202 let rem_size = self.rem_size(cx);
8203 window.with_rem_size(rem_size, |window| {
8204 self.editor.update(cx, |editor, cx| {
8205 editor.set_style(self.style.clone(), window, cx);
8206
8207 let layout_id = match editor.mode {
8208 EditorMode::SingleLine => {
8209 let rem_size = window.rem_size();
8210 let height = self.style.text.line_height_in_pixels(rem_size);
8211 let mut style = Style::default();
8212 style.size.height = height.into();
8213 style.size.width = relative(1.).into();
8214 window.request_layout(style, None, cx)
8215 }
8216 EditorMode::AutoHeight {
8217 min_lines,
8218 max_lines,
8219 } => {
8220 let editor_handle = cx.entity();
8221 let max_line_number_width =
8222 self.max_line_number_width(&editor.snapshot(window, cx), window);
8223 window.request_measured_layout(
8224 Style::default(),
8225 move |known_dimensions, available_space, window, cx| {
8226 editor_handle
8227 .update(cx, |editor, cx| {
8228 compute_auto_height_layout(
8229 editor,
8230 min_lines,
8231 max_lines,
8232 max_line_number_width,
8233 known_dimensions,
8234 available_space.width,
8235 window,
8236 cx,
8237 )
8238 })
8239 .unwrap_or_default()
8240 },
8241 )
8242 }
8243 EditorMode::Minimap { .. } => {
8244 let mut style = Style::default();
8245 style.size.width = relative(1.).into();
8246 style.size.height = relative(1.).into();
8247 window.request_layout(style, None, cx)
8248 }
8249 EditorMode::Full {
8250 sized_by_content, ..
8251 } => {
8252 let mut style = Style::default();
8253 style.size.width = relative(1.).into();
8254 if sized_by_content {
8255 let snapshot = editor.snapshot(window, cx);
8256 let line_height =
8257 self.style.text.line_height_in_pixels(window.rem_size());
8258 let scroll_height =
8259 (snapshot.max_point().row().next_row().0 as f32) * line_height;
8260 style.size.height = scroll_height.into();
8261 } else {
8262 style.size.height = relative(1.).into();
8263 }
8264 window.request_layout(style, None, cx)
8265 }
8266 };
8267
8268 (layout_id, ())
8269 })
8270 })
8271 }
8272
8273 fn prepaint(
8274 &mut self,
8275 _: Option<&GlobalElementId>,
8276 _inspector_id: Option<&gpui::InspectorElementId>,
8277 bounds: Bounds<Pixels>,
8278 _: &mut Self::RequestLayoutState,
8279 window: &mut Window,
8280 cx: &mut App,
8281 ) -> Self::PrepaintState {
8282 let text_style = TextStyleRefinement {
8283 font_size: Some(self.style.text.font_size),
8284 line_height: Some(self.style.text.line_height),
8285 ..Default::default()
8286 };
8287
8288 let is_minimap = self.editor.read(cx).mode.is_minimap();
8289
8290 if !is_minimap {
8291 let focus_handle = self.editor.focus_handle(cx);
8292 window.set_view_id(self.editor.entity_id());
8293 window.set_focus_handle(&focus_handle, cx);
8294 }
8295
8296 let rem_size = self.rem_size(cx);
8297 window.with_rem_size(rem_size, |window| {
8298 window.with_text_style(Some(text_style), |window| {
8299 window.with_content_mask(Some(ContentMask { bounds }), |window| {
8300 let (mut snapshot, is_read_only) = self.editor.update(cx, |editor, cx| {
8301 (editor.snapshot(window, cx), editor.read_only(cx))
8302 });
8303 let style = &self.style;
8304
8305 let rem_size = window.rem_size();
8306 let font_id = window.text_system().resolve_font(&style.text.font());
8307 let font_size = style.text.font_size.to_pixels(rem_size);
8308 let line_height = style.text.line_height_in_pixels(rem_size);
8309 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
8310 let em_advance = window.text_system().em_advance(font_id, font_size).unwrap();
8311 let glyph_grid_cell = size(em_advance, line_height);
8312
8313 let gutter_dimensions = snapshot
8314 .gutter_dimensions(
8315 font_id,
8316 font_size,
8317 self.max_line_number_width(&snapshot, window),
8318 cx,
8319 )
8320 .or_else(|| {
8321 self.editor.read(cx).offset_content.then(|| {
8322 GutterDimensions::default_with_margin(font_id, font_size, cx)
8323 })
8324 })
8325 .unwrap_or_default();
8326 let text_width = bounds.size.width - gutter_dimensions.width;
8327
8328 let settings = EditorSettings::get_global(cx);
8329 let scrollbars_shown = settings.scrollbar.show != ShowScrollbar::Never;
8330 let vertical_scrollbar_width = (scrollbars_shown
8331 && settings.scrollbar.axes.vertical
8332 && self.editor.read(cx).show_scrollbars.vertical)
8333 .then_some(style.scrollbar_width)
8334 .unwrap_or_default();
8335 let minimap_width = self
8336 .get_minimap_width(
8337 &settings.minimap,
8338 scrollbars_shown,
8339 text_width,
8340 em_width,
8341 font_size,
8342 rem_size,
8343 cx,
8344 )
8345 .unwrap_or_default();
8346
8347 let right_margin = minimap_width + vertical_scrollbar_width;
8348
8349 let editor_width =
8350 text_width - gutter_dimensions.margin - 2 * em_width - right_margin;
8351 let editor_margins = EditorMargins {
8352 gutter: gutter_dimensions,
8353 right: right_margin,
8354 };
8355
8356 snapshot = self.editor.update(cx, |editor, cx| {
8357 editor.last_bounds = Some(bounds);
8358 editor.gutter_dimensions = gutter_dimensions;
8359 editor.set_visible_line_count(bounds.size.height / line_height, window, cx);
8360 editor.set_visible_column_count(editor_width / em_advance);
8361
8362 if matches!(
8363 editor.mode,
8364 EditorMode::AutoHeight { .. } | EditorMode::Minimap { .. }
8365 ) {
8366 snapshot
8367 } else {
8368 let wrap_width_for = |column: u32| (column as f32 * em_advance).ceil();
8369 let wrap_width = match editor.soft_wrap_mode(cx) {
8370 SoftWrap::GitDiff => None,
8371 SoftWrap::None => Some(wrap_width_for(MAX_LINE_LEN as u32 / 2)),
8372 SoftWrap::EditorWidth => Some(editor_width),
8373 SoftWrap::Column(column) => Some(wrap_width_for(column)),
8374 SoftWrap::Bounded(column) => {
8375 Some(editor_width.min(wrap_width_for(column)))
8376 }
8377 };
8378
8379 if editor.set_wrap_width(wrap_width, cx) {
8380 editor.snapshot(window, cx)
8381 } else {
8382 snapshot
8383 }
8384 }
8385 });
8386
8387 let hitbox = window.insert_hitbox(bounds, HitboxBehavior::Normal);
8388 let gutter_hitbox = window.insert_hitbox(
8389 gutter_bounds(bounds, gutter_dimensions),
8390 HitboxBehavior::Normal,
8391 );
8392 let text_hitbox = window.insert_hitbox(
8393 Bounds {
8394 origin: gutter_hitbox.top_right(),
8395 size: size(text_width, bounds.size.height),
8396 },
8397 HitboxBehavior::Normal,
8398 );
8399
8400 // Offset the content_bounds from the text_bounds by the gutter margin (which
8401 // is roughly half a character wide) to make hit testing work more like how we want.
8402 let content_offset = point(editor_margins.gutter.margin, Pixels::ZERO);
8403 let content_origin = text_hitbox.origin + content_offset;
8404
8405 let height_in_lines = bounds.size.height / line_height;
8406 let max_row = snapshot.max_point().row().as_f32();
8407
8408 // The max scroll position for the top of the window
8409 let max_scroll_top = if matches!(
8410 snapshot.mode,
8411 EditorMode::SingleLine
8412 | EditorMode::AutoHeight { .. }
8413 | EditorMode::Full {
8414 sized_by_content: true,
8415 ..
8416 }
8417 ) {
8418 (max_row - height_in_lines + 1.).max(0.)
8419 } else {
8420 let settings = EditorSettings::get_global(cx);
8421 match settings.scroll_beyond_last_line {
8422 ScrollBeyondLastLine::OnePage => max_row,
8423 ScrollBeyondLastLine::Off => (max_row - height_in_lines + 1.).max(0.),
8424 ScrollBeyondLastLine::VerticalScrollMargin => {
8425 (max_row - height_in_lines + 1. + settings.vertical_scroll_margin)
8426 .max(0.)
8427 }
8428 }
8429 };
8430
8431 let (
8432 autoscroll_request,
8433 autoscroll_containing_element,
8434 needs_horizontal_autoscroll,
8435 ) = self.editor.update(cx, |editor, cx| {
8436 let autoscroll_request = editor.scroll_manager.take_autoscroll_request();
8437
8438 let autoscroll_containing_element =
8439 autoscroll_request.is_some() || editor.has_pending_selection();
8440
8441 let (needs_horizontal_autoscroll, was_scrolled) = editor
8442 .autoscroll_vertically(
8443 bounds,
8444 line_height,
8445 max_scroll_top,
8446 autoscroll_request,
8447 window,
8448 cx,
8449 );
8450 if was_scrolled.0 {
8451 snapshot = editor.snapshot(window, cx);
8452 }
8453 (
8454 autoscroll_request,
8455 autoscroll_containing_element,
8456 needs_horizontal_autoscroll,
8457 )
8458 });
8459
8460 let mut scroll_position = snapshot.scroll_position();
8461 // The scroll position is a fractional point, the whole number of which represents
8462 // the top of the window in terms of display rows.
8463 let start_row = DisplayRow(scroll_position.y as u32);
8464 let max_row = snapshot.max_point().row();
8465 let end_row = cmp::min(
8466 (scroll_position.y + height_in_lines).ceil() as u32,
8467 max_row.next_row().0,
8468 );
8469 let end_row = DisplayRow(end_row);
8470
8471 let row_infos = snapshot
8472 .row_infos(start_row)
8473 .take((start_row..end_row).len())
8474 .collect::<Vec<RowInfo>>();
8475 let is_row_soft_wrapped = |row: usize| {
8476 row_infos
8477 .get(row)
8478 .is_none_or(|info| info.buffer_row.is_none())
8479 };
8480
8481 let start_anchor = if start_row == Default::default() {
8482 Anchor::min()
8483 } else {
8484 snapshot.buffer_snapshot.anchor_before(
8485 DisplayPoint::new(start_row, 0).to_offset(&snapshot, Bias::Left),
8486 )
8487 };
8488 let end_anchor = if end_row > max_row {
8489 Anchor::max()
8490 } else {
8491 snapshot.buffer_snapshot.anchor_before(
8492 DisplayPoint::new(end_row, 0).to_offset(&snapshot, Bias::Right),
8493 )
8494 };
8495
8496 let mut highlighted_rows = self
8497 .editor
8498 .update(cx, |editor, cx| editor.highlighted_display_rows(window, cx));
8499
8500 let is_light = cx.theme().appearance().is_light();
8501
8502 for (ix, row_info) in row_infos.iter().enumerate() {
8503 let Some(diff_status) = row_info.diff_status else {
8504 continue;
8505 };
8506
8507 let background_color = match diff_status.kind {
8508 DiffHunkStatusKind::Added => cx.theme().colors().version_control_added,
8509 DiffHunkStatusKind::Deleted => {
8510 cx.theme().colors().version_control_deleted
8511 }
8512 DiffHunkStatusKind::Modified => {
8513 debug_panic!("modified diff status for row info");
8514 continue;
8515 }
8516 };
8517
8518 let hunk_opacity = if is_light { 0.16 } else { 0.12 };
8519
8520 let hollow_highlight = LineHighlight {
8521 background: (background_color.opacity(if is_light {
8522 0.08
8523 } else {
8524 0.06
8525 }))
8526 .into(),
8527 border: Some(if is_light {
8528 background_color.opacity(0.48)
8529 } else {
8530 background_color.opacity(0.36)
8531 }),
8532 include_gutter: true,
8533 type_id: None,
8534 };
8535
8536 let filled_highlight = LineHighlight {
8537 background: solid_background(background_color.opacity(hunk_opacity)),
8538 border: None,
8539 include_gutter: true,
8540 type_id: None,
8541 };
8542
8543 let background = if Self::diff_hunk_hollow(diff_status, cx) {
8544 hollow_highlight
8545 } else {
8546 filled_highlight
8547 };
8548
8549 highlighted_rows
8550 .entry(start_row + DisplayRow(ix as u32))
8551 .or_insert(background);
8552 }
8553
8554 let highlighted_ranges = self
8555 .editor_with_selections(cx)
8556 .map(|editor| {
8557 editor.read(cx).background_highlights_in_range(
8558 start_anchor..end_anchor,
8559 &snapshot.display_snapshot,
8560 cx.theme(),
8561 )
8562 })
8563 .unwrap_or_default();
8564 let highlighted_gutter_ranges =
8565 self.editor.read(cx).gutter_highlights_in_range(
8566 start_anchor..end_anchor,
8567 &snapshot.display_snapshot,
8568 cx,
8569 );
8570
8571 let document_colors = self
8572 .editor
8573 .read(cx)
8574 .colors
8575 .as_ref()
8576 .map(|colors| colors.editor_display_highlights(&snapshot));
8577 let redacted_ranges = self.editor.read(cx).redacted_ranges(
8578 start_anchor..end_anchor,
8579 &snapshot.display_snapshot,
8580 cx,
8581 );
8582
8583 let (local_selections, selected_buffer_ids): (
8584 Vec<Selection<Point>>,
8585 Vec<BufferId>,
8586 ) = self
8587 .editor_with_selections(cx)
8588 .map(|editor| {
8589 editor.update(cx, |editor, cx| {
8590 let all_selections = editor.selections.all::<Point>(cx);
8591 let selected_buffer_ids = if editor.is_singleton(cx) {
8592 Vec::new()
8593 } else {
8594 let mut selected_buffer_ids =
8595 Vec::with_capacity(all_selections.len());
8596
8597 for selection in all_selections {
8598 for buffer_id in snapshot
8599 .buffer_snapshot
8600 .buffer_ids_for_range(selection.range())
8601 {
8602 if selected_buffer_ids.last() != Some(&buffer_id) {
8603 selected_buffer_ids.push(buffer_id);
8604 }
8605 }
8606 }
8607
8608 selected_buffer_ids
8609 };
8610
8611 let mut selections = editor
8612 .selections
8613 .disjoint_in_range(start_anchor..end_anchor, cx);
8614 selections.extend(editor.selections.pending(cx));
8615
8616 (selections, selected_buffer_ids)
8617 })
8618 })
8619 .unwrap_or_default();
8620
8621 let (selections, mut active_rows, newest_selection_head) = self
8622 .layout_selections(
8623 start_anchor,
8624 end_anchor,
8625 &local_selections,
8626 &snapshot,
8627 start_row,
8628 end_row,
8629 window,
8630 cx,
8631 );
8632 let mut breakpoint_rows = self.editor.update(cx, |editor, cx| {
8633 editor.active_breakpoints(start_row..end_row, window, cx)
8634 });
8635 for (display_row, (_, bp, state)) in &breakpoint_rows {
8636 if bp.is_enabled() && state.is_none_or(|s| s.verified) {
8637 active_rows.entry(*display_row).or_default().breakpoint = true;
8638 }
8639 }
8640
8641 let line_numbers = self.layout_line_numbers(
8642 Some(&gutter_hitbox),
8643 gutter_dimensions,
8644 line_height,
8645 scroll_position,
8646 start_row..end_row,
8647 &row_infos,
8648 &active_rows,
8649 newest_selection_head,
8650 &snapshot,
8651 window,
8652 cx,
8653 );
8654
8655 // We add the gutter breakpoint indicator to breakpoint_rows after painting
8656 // line numbers so we don't paint a line number debug accent color if a user
8657 // has their mouse over that line when a breakpoint isn't there
8658 self.editor.update(cx, |editor, _| {
8659 if let Some(phantom_breakpoint) = &mut editor
8660 .gutter_breakpoint_indicator
8661 .0
8662 .filter(|phantom_breakpoint| phantom_breakpoint.is_active)
8663 {
8664 // Is there a non-phantom breakpoint on this line?
8665 phantom_breakpoint.collides_with_existing_breakpoint = true;
8666 breakpoint_rows
8667 .entry(phantom_breakpoint.display_row)
8668 .or_insert_with(|| {
8669 let position = snapshot.display_point_to_anchor(
8670 DisplayPoint::new(phantom_breakpoint.display_row, 0),
8671 Bias::Right,
8672 );
8673 let breakpoint = Breakpoint::new_standard();
8674 phantom_breakpoint.collides_with_existing_breakpoint = false;
8675 (position, breakpoint, None)
8676 });
8677 }
8678 });
8679
8680 let mut expand_toggles =
8681 window.with_element_namespace("expand_toggles", |window| {
8682 self.layout_expand_toggles(
8683 &gutter_hitbox,
8684 gutter_dimensions,
8685 em_width,
8686 line_height,
8687 scroll_position,
8688 &row_infos,
8689 window,
8690 cx,
8691 )
8692 });
8693
8694 let mut crease_toggles =
8695 window.with_element_namespace("crease_toggles", |window| {
8696 self.layout_crease_toggles(
8697 start_row..end_row,
8698 &row_infos,
8699 &active_rows,
8700 &snapshot,
8701 window,
8702 cx,
8703 )
8704 });
8705 let crease_trailers =
8706 window.with_element_namespace("crease_trailers", |window| {
8707 self.layout_crease_trailers(
8708 row_infos.iter().copied(),
8709 &snapshot,
8710 window,
8711 cx,
8712 )
8713 });
8714
8715 let display_hunks = self.layout_gutter_diff_hunks(
8716 line_height,
8717 &gutter_hitbox,
8718 start_row..end_row,
8719 &snapshot,
8720 window,
8721 cx,
8722 );
8723
8724 let bg_segments_per_row = Self::bg_segments_per_row(
8725 start_row..end_row,
8726 &selections,
8727 &highlighted_ranges,
8728 self.style.background,
8729 );
8730
8731 let mut line_layouts = Self::layout_lines(
8732 start_row..end_row,
8733 &snapshot,
8734 &self.style,
8735 editor_width,
8736 is_row_soft_wrapped,
8737 &bg_segments_per_row,
8738 window,
8739 cx,
8740 );
8741 let new_renderer_widths = (!is_minimap).then(|| {
8742 line_layouts
8743 .iter()
8744 .flat_map(|layout| &layout.fragments)
8745 .filter_map(|fragment| {
8746 if let LineFragment::Element { id, size, .. } = fragment {
8747 Some((*id, size.width))
8748 } else {
8749 None
8750 }
8751 })
8752 });
8753 if new_renderer_widths.is_some_and(|new_renderer_widths| {
8754 self.editor.update(cx, |editor, cx| {
8755 editor.update_renderer_widths(new_renderer_widths, cx)
8756 })
8757 }) {
8758 // If the fold widths have changed, we need to prepaint
8759 // the element again to account for any changes in
8760 // wrapping.
8761 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
8762 }
8763
8764 let longest_line_blame_width = self
8765 .editor
8766 .update(cx, |editor, cx| {
8767 if !editor.show_git_blame_inline {
8768 return None;
8769 }
8770 let blame = editor.blame.as_ref()?;
8771 let (_, blame_entry) = blame
8772 .update(cx, |blame, cx| {
8773 let row_infos =
8774 snapshot.row_infos(snapshot.longest_row()).next()?;
8775 blame.blame_for_rows(&[row_infos], cx).next()
8776 })
8777 .flatten()?;
8778 let mut element = render_inline_blame_entry(blame_entry, style, cx)?;
8779 let inline_blame_padding = ProjectSettings::get_global(cx)
8780 .git
8781 .inline_blame
8782 .unwrap_or_default()
8783 .padding
8784 as f32
8785 * em_advance;
8786 Some(
8787 element
8788 .layout_as_root(AvailableSpace::min_size(), window, cx)
8789 .width
8790 + inline_blame_padding,
8791 )
8792 })
8793 .unwrap_or(Pixels::ZERO);
8794
8795 let longest_line_width = layout_line(
8796 snapshot.longest_row(),
8797 &snapshot,
8798 style,
8799 editor_width,
8800 is_row_soft_wrapped,
8801 window,
8802 cx,
8803 )
8804 .width;
8805
8806 let scrollbar_layout_information = ScrollbarLayoutInformation::new(
8807 text_hitbox.bounds,
8808 glyph_grid_cell,
8809 size(longest_line_width, max_row.as_f32() * line_height),
8810 longest_line_blame_width,
8811 EditorSettings::get_global(cx),
8812 );
8813
8814 let mut scroll_width = scrollbar_layout_information.scroll_range.width;
8815
8816 let sticky_header_excerpt = if snapshot.buffer_snapshot.show_headers() {
8817 snapshot.sticky_header_excerpt(scroll_position.y)
8818 } else {
8819 None
8820 };
8821 let sticky_header_excerpt_id =
8822 sticky_header_excerpt.as_ref().map(|top| top.excerpt.id);
8823
8824 let blocks = (!is_minimap)
8825 .then(|| {
8826 window.with_element_namespace("blocks", |window| {
8827 self.render_blocks(
8828 start_row..end_row,
8829 &snapshot,
8830 &hitbox,
8831 &text_hitbox,
8832 editor_width,
8833 &mut scroll_width,
8834 &editor_margins,
8835 em_width,
8836 gutter_dimensions.full_width(),
8837 line_height,
8838 &mut line_layouts,
8839 &local_selections,
8840 &selected_buffer_ids,
8841 is_row_soft_wrapped,
8842 sticky_header_excerpt_id,
8843 window,
8844 cx,
8845 )
8846 })
8847 })
8848 .unwrap_or_else(|| Ok((Vec::default(), HashMap::default())));
8849 let (mut blocks, row_block_types) = match blocks {
8850 Ok(blocks) => blocks,
8851 Err(resized_blocks) => {
8852 self.editor.update(cx, |editor, cx| {
8853 editor.resize_blocks(
8854 resized_blocks,
8855 autoscroll_request.map(|(autoscroll, _)| autoscroll),
8856 cx,
8857 )
8858 });
8859 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
8860 }
8861 };
8862
8863 let sticky_buffer_header = sticky_header_excerpt.map(|sticky_header_excerpt| {
8864 window.with_element_namespace("blocks", |window| {
8865 self.layout_sticky_buffer_header(
8866 sticky_header_excerpt,
8867 scroll_position.y,
8868 line_height,
8869 right_margin,
8870 &snapshot,
8871 &hitbox,
8872 &selected_buffer_ids,
8873 &blocks,
8874 window,
8875 cx,
8876 )
8877 })
8878 });
8879
8880 let start_buffer_row =
8881 MultiBufferRow(start_anchor.to_point(&snapshot.buffer_snapshot).row);
8882 let end_buffer_row =
8883 MultiBufferRow(end_anchor.to_point(&snapshot.buffer_snapshot).row);
8884
8885 let scroll_max = point(
8886 ((scroll_width - editor_width) / em_advance).max(0.0),
8887 max_scroll_top,
8888 );
8889
8890 self.editor.update(cx, |editor, cx| {
8891 if editor.scroll_manager.clamp_scroll_left(scroll_max.x) {
8892 scroll_position.x = scroll_position.x.min(scroll_max.x);
8893 }
8894
8895 if needs_horizontal_autoscroll.0
8896 && let Some(new_scroll_position) = editor.autoscroll_horizontally(
8897 start_row,
8898 editor_width,
8899 scroll_width,
8900 em_advance,
8901 &line_layouts,
8902 autoscroll_request,
8903 window,
8904 cx,
8905 )
8906 {
8907 scroll_position = new_scroll_position;
8908 }
8909 });
8910
8911 let scroll_pixel_position = point(
8912 scroll_position.x * em_advance,
8913 scroll_position.y * line_height,
8914 );
8915 let indent_guides = self.layout_indent_guides(
8916 content_origin,
8917 text_hitbox.origin,
8918 start_buffer_row..end_buffer_row,
8919 scroll_pixel_position,
8920 line_height,
8921 &snapshot,
8922 window,
8923 cx,
8924 );
8925
8926 let crease_trailers =
8927 window.with_element_namespace("crease_trailers", |window| {
8928 self.prepaint_crease_trailers(
8929 crease_trailers,
8930 &line_layouts,
8931 line_height,
8932 content_origin,
8933 scroll_pixel_position,
8934 em_width,
8935 window,
8936 cx,
8937 )
8938 });
8939
8940 let (edit_prediction_popover, edit_prediction_popover_origin) = self
8941 .editor
8942 .update(cx, |editor, cx| {
8943 editor.render_edit_prediction_popover(
8944 &text_hitbox.bounds,
8945 content_origin,
8946 right_margin,
8947 &snapshot,
8948 start_row..end_row,
8949 scroll_position.y,
8950 scroll_position.y + height_in_lines,
8951 &line_layouts,
8952 line_height,
8953 scroll_pixel_position,
8954 newest_selection_head,
8955 editor_width,
8956 style,
8957 window,
8958 cx,
8959 )
8960 })
8961 .unzip();
8962
8963 let mut inline_diagnostics = self.layout_inline_diagnostics(
8964 &line_layouts,
8965 &crease_trailers,
8966 &row_block_types,
8967 content_origin,
8968 scroll_pixel_position,
8969 edit_prediction_popover_origin,
8970 start_row,
8971 end_row,
8972 line_height,
8973 em_width,
8974 style,
8975 window,
8976 cx,
8977 );
8978
8979 let mut inline_blame_layout = None;
8980 let mut inline_code_actions = None;
8981 if let Some(newest_selection_head) = newest_selection_head {
8982 let display_row = newest_selection_head.row();
8983 if (start_row..end_row).contains(&display_row)
8984 && !row_block_types.contains_key(&display_row)
8985 {
8986 inline_code_actions = self.layout_inline_code_actions(
8987 newest_selection_head,
8988 content_origin,
8989 scroll_pixel_position,
8990 line_height,
8991 &snapshot,
8992 window,
8993 cx,
8994 );
8995
8996 let line_ix = display_row.minus(start_row) as usize;
8997 if let (Some(row_info), Some(line_layout), Some(crease_trailer)) = (
8998 row_infos.get(line_ix),
8999 line_layouts.get(line_ix),
9000 crease_trailers.get(line_ix),
9001 ) {
9002 let crease_trailer_layout = crease_trailer.as_ref();
9003 if let Some(layout) = self.layout_inline_blame(
9004 display_row,
9005 row_info,
9006 line_layout,
9007 crease_trailer_layout,
9008 em_width,
9009 content_origin,
9010 scroll_pixel_position,
9011 line_height,
9012 &text_hitbox,
9013 window,
9014 cx,
9015 ) {
9016 inline_blame_layout = Some(layout);
9017 // Blame overrides inline diagnostics
9018 inline_diagnostics.remove(&display_row);
9019 }
9020 } else {
9021 log::error!(
9022 "bug: line_ix {} is out of bounds - row_infos.len(): {}, \
9023 line_layouts.len(): {}, \
9024 crease_trailers.len(): {}",
9025 line_ix,
9026 row_infos.len(),
9027 line_layouts.len(),
9028 crease_trailers.len(),
9029 );
9030 }
9031 }
9032 }
9033
9034 let blamed_display_rows = self.layout_blame_entries(
9035 &row_infos,
9036 em_width,
9037 scroll_position,
9038 line_height,
9039 &gutter_hitbox,
9040 gutter_dimensions.git_blame_entries_width,
9041 window,
9042 cx,
9043 );
9044
9045 let line_elements = self.prepaint_lines(
9046 start_row,
9047 &mut line_layouts,
9048 line_height,
9049 scroll_pixel_position,
9050 content_origin,
9051 window,
9052 cx,
9053 );
9054
9055 window.with_element_namespace("blocks", |window| {
9056 self.layout_blocks(
9057 &mut blocks,
9058 &hitbox,
9059 line_height,
9060 scroll_pixel_position,
9061 window,
9062 cx,
9063 );
9064 });
9065
9066 let cursors = self.collect_cursors(&snapshot, cx);
9067 let visible_row_range = start_row..end_row;
9068 let non_visible_cursors = cursors
9069 .iter()
9070 .any(|c| !visible_row_range.contains(&c.0.row()));
9071
9072 let visible_cursors = self.layout_visible_cursors(
9073 &snapshot,
9074 &selections,
9075 &row_block_types,
9076 start_row..end_row,
9077 &line_layouts,
9078 &text_hitbox,
9079 content_origin,
9080 scroll_position,
9081 scroll_pixel_position,
9082 line_height,
9083 em_width,
9084 em_advance,
9085 autoscroll_containing_element,
9086 window,
9087 cx,
9088 );
9089
9090 let scrollbars_layout = self.layout_scrollbars(
9091 &snapshot,
9092 &scrollbar_layout_information,
9093 content_offset,
9094 scroll_position,
9095 non_visible_cursors,
9096 right_margin,
9097 editor_width,
9098 window,
9099 cx,
9100 );
9101
9102 let gutter_settings = EditorSettings::get_global(cx).gutter;
9103
9104 let context_menu_layout =
9105 if let Some(newest_selection_head) = newest_selection_head {
9106 let newest_selection_point =
9107 newest_selection_head.to_point(&snapshot.display_snapshot);
9108 if (start_row..end_row).contains(&newest_selection_head.row()) {
9109 self.layout_cursor_popovers(
9110 line_height,
9111 &text_hitbox,
9112 content_origin,
9113 right_margin,
9114 start_row,
9115 scroll_pixel_position,
9116 &line_layouts,
9117 newest_selection_head,
9118 newest_selection_point,
9119 style,
9120 window,
9121 cx,
9122 )
9123 } else {
9124 None
9125 }
9126 } else {
9127 None
9128 };
9129
9130 self.layout_gutter_menu(
9131 line_height,
9132 &text_hitbox,
9133 content_origin,
9134 right_margin,
9135 scroll_pixel_position,
9136 gutter_dimensions.width - gutter_dimensions.left_padding,
9137 window,
9138 cx,
9139 );
9140
9141 let test_indicators = if gutter_settings.runnables {
9142 self.layout_run_indicators(
9143 line_height,
9144 start_row..end_row,
9145 &row_infos,
9146 scroll_pixel_position,
9147 &gutter_dimensions,
9148 &gutter_hitbox,
9149 &display_hunks,
9150 &snapshot,
9151 &mut breakpoint_rows,
9152 window,
9153 cx,
9154 )
9155 } else {
9156 Vec::new()
9157 };
9158
9159 let show_breakpoints = snapshot
9160 .show_breakpoints
9161 .unwrap_or(gutter_settings.breakpoints);
9162 let breakpoints = if show_breakpoints {
9163 self.layout_breakpoints(
9164 line_height,
9165 start_row..end_row,
9166 scroll_pixel_position,
9167 &gutter_dimensions,
9168 &gutter_hitbox,
9169 &display_hunks,
9170 &snapshot,
9171 breakpoint_rows,
9172 &row_infos,
9173 window,
9174 cx,
9175 )
9176 } else {
9177 Vec::new()
9178 };
9179
9180 self.layout_signature_help(
9181 &hitbox,
9182 content_origin,
9183 scroll_pixel_position,
9184 newest_selection_head,
9185 start_row,
9186 &line_layouts,
9187 line_height,
9188 em_width,
9189 context_menu_layout,
9190 window,
9191 cx,
9192 );
9193
9194 if !cx.has_active_drag() {
9195 self.layout_hover_popovers(
9196 &snapshot,
9197 &hitbox,
9198 start_row..end_row,
9199 content_origin,
9200 scroll_pixel_position,
9201 &line_layouts,
9202 line_height,
9203 em_width,
9204 context_menu_layout,
9205 window,
9206 cx,
9207 );
9208 }
9209
9210 let mouse_context_menu = self.layout_mouse_context_menu(
9211 &snapshot,
9212 start_row..end_row,
9213 content_origin,
9214 window,
9215 cx,
9216 );
9217
9218 window.with_element_namespace("crease_toggles", |window| {
9219 self.prepaint_crease_toggles(
9220 &mut crease_toggles,
9221 line_height,
9222 &gutter_dimensions,
9223 gutter_settings,
9224 scroll_pixel_position,
9225 &gutter_hitbox,
9226 window,
9227 cx,
9228 )
9229 });
9230
9231 window.with_element_namespace("expand_toggles", |window| {
9232 self.prepaint_expand_toggles(&mut expand_toggles, window, cx)
9233 });
9234
9235 let wrap_guides = self.layout_wrap_guides(
9236 em_advance,
9237 scroll_position,
9238 content_origin,
9239 scrollbars_layout.as_ref(),
9240 vertical_scrollbar_width,
9241 &hitbox,
9242 window,
9243 cx,
9244 );
9245
9246 let minimap = window.with_element_namespace("minimap", |window| {
9247 self.layout_minimap(
9248 &snapshot,
9249 minimap_width,
9250 scroll_position,
9251 &scrollbar_layout_information,
9252 scrollbars_layout.as_ref(),
9253 window,
9254 cx,
9255 )
9256 });
9257
9258 let invisible_symbol_font_size = font_size / 2.;
9259 let tab_invisible = window.text_system().shape_line(
9260 "β".into(),
9261 invisible_symbol_font_size,
9262 &[TextRun {
9263 len: "β".len(),
9264 font: self.style.text.font(),
9265 color: cx.theme().colors().editor_invisible,
9266 background_color: None,
9267 underline: None,
9268 strikethrough: None,
9269 }],
9270 None,
9271 );
9272 let space_invisible = window.text_system().shape_line(
9273 "β’".into(),
9274 invisible_symbol_font_size,
9275 &[TextRun {
9276 len: "β’".len(),
9277 font: self.style.text.font(),
9278 color: cx.theme().colors().editor_invisible,
9279 background_color: None,
9280 underline: None,
9281 strikethrough: None,
9282 }],
9283 None,
9284 );
9285
9286 let mode = snapshot.mode.clone();
9287
9288 let (diff_hunk_controls, diff_hunk_control_bounds) = if is_read_only {
9289 (vec![], vec![])
9290 } else {
9291 self.layout_diff_hunk_controls(
9292 start_row..end_row,
9293 &row_infos,
9294 &text_hitbox,
9295 newest_selection_head,
9296 line_height,
9297 right_margin,
9298 scroll_pixel_position,
9299 &display_hunks,
9300 &highlighted_rows,
9301 self.editor.clone(),
9302 window,
9303 cx,
9304 )
9305 };
9306
9307 let position_map = Rc::new(PositionMap {
9308 size: bounds.size,
9309 visible_row_range,
9310 scroll_pixel_position,
9311 scroll_max,
9312 line_layouts,
9313 line_height,
9314 em_width,
9315 em_advance,
9316 snapshot,
9317 gutter_hitbox: gutter_hitbox.clone(),
9318 text_hitbox: text_hitbox.clone(),
9319 inline_blame_bounds: inline_blame_layout
9320 .as_ref()
9321 .map(|layout| (layout.bounds, layout.buffer_id, layout.entry.clone())),
9322 display_hunks: display_hunks.clone(),
9323 diff_hunk_control_bounds,
9324 });
9325
9326 self.editor.update(cx, |editor, _| {
9327 editor.last_position_map = Some(position_map.clone())
9328 });
9329
9330 EditorLayout {
9331 mode,
9332 position_map,
9333 visible_display_row_range: start_row..end_row,
9334 wrap_guides,
9335 indent_guides,
9336 hitbox,
9337 gutter_hitbox,
9338 display_hunks,
9339 content_origin,
9340 scrollbars_layout,
9341 minimap,
9342 active_rows,
9343 highlighted_rows,
9344 highlighted_ranges,
9345 highlighted_gutter_ranges,
9346 redacted_ranges,
9347 document_colors,
9348 line_elements,
9349 line_numbers,
9350 blamed_display_rows,
9351 inline_diagnostics,
9352 inline_blame_layout,
9353 inline_code_actions,
9354 blocks,
9355 cursors,
9356 visible_cursors,
9357 selections,
9358 edit_prediction_popover,
9359 diff_hunk_controls,
9360 mouse_context_menu,
9361 test_indicators,
9362 breakpoints,
9363 crease_toggles,
9364 crease_trailers,
9365 tab_invisible,
9366 space_invisible,
9367 sticky_buffer_header,
9368 expand_toggles,
9369 }
9370 })
9371 })
9372 })
9373 }
9374
9375 fn paint(
9376 &mut self,
9377 _: Option<&GlobalElementId>,
9378 _inspector_id: Option<&gpui::InspectorElementId>,
9379 bounds: Bounds<gpui::Pixels>,
9380 _: &mut Self::RequestLayoutState,
9381 layout: &mut Self::PrepaintState,
9382 window: &mut Window,
9383 cx: &mut App,
9384 ) {
9385 if !layout.mode.is_minimap() {
9386 let focus_handle = self.editor.focus_handle(cx);
9387 let key_context = self
9388 .editor
9389 .update(cx, |editor, cx| editor.key_context(window, cx));
9390
9391 window.set_key_context(key_context);
9392 window.handle_input(
9393 &focus_handle,
9394 ElementInputHandler::new(bounds, self.editor.clone()),
9395 cx,
9396 );
9397 self.register_actions(window, cx);
9398 self.register_key_listeners(window, cx, layout);
9399 }
9400
9401 let text_style = TextStyleRefinement {
9402 font_size: Some(self.style.text.font_size),
9403 line_height: Some(self.style.text.line_height),
9404 ..Default::default()
9405 };
9406 let rem_size = self.rem_size(cx);
9407 window.with_rem_size(rem_size, |window| {
9408 window.with_text_style(Some(text_style), |window| {
9409 window.with_content_mask(Some(ContentMask { bounds }), |window| {
9410 self.paint_mouse_listeners(layout, window, cx);
9411 self.paint_background(layout, window, cx);
9412 self.paint_indent_guides(layout, window, cx);
9413
9414 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9415 self.paint_blamed_display_rows(layout, window, cx);
9416 self.paint_line_numbers(layout, window, cx);
9417 }
9418
9419 self.paint_text(layout, window, cx);
9420
9421 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9422 self.paint_gutter_highlights(layout, window, cx);
9423 self.paint_gutter_indicators(layout, window, cx);
9424 }
9425
9426 if !layout.blocks.is_empty() {
9427 window.with_element_namespace("blocks", |window| {
9428 self.paint_blocks(layout, window, cx);
9429 });
9430 }
9431
9432 window.with_element_namespace("blocks", |window| {
9433 if let Some(mut sticky_header) = layout.sticky_buffer_header.take() {
9434 sticky_header.paint(window, cx)
9435 }
9436 });
9437
9438 self.paint_minimap(layout, window, cx);
9439 self.paint_scrollbars(layout, window, cx);
9440 self.paint_edit_prediction_popover(layout, window, cx);
9441 self.paint_mouse_context_menu(layout, window, cx);
9442 });
9443 })
9444 })
9445 }
9446}
9447
9448pub(super) fn gutter_bounds(
9449 editor_bounds: Bounds<Pixels>,
9450 gutter_dimensions: GutterDimensions,
9451) -> Bounds<Pixels> {
9452 Bounds {
9453 origin: editor_bounds.origin,
9454 size: size(gutter_dimensions.width, editor_bounds.size.height),
9455 }
9456}
9457
9458#[derive(Clone, Copy)]
9459struct ContextMenuLayout {
9460 y_flipped: bool,
9461 bounds: Bounds<Pixels>,
9462}
9463
9464/// Holds information required for layouting the editor scrollbars.
9465struct ScrollbarLayoutInformation {
9466 /// The bounds of the editor area (excluding the content offset).
9467 editor_bounds: Bounds<Pixels>,
9468 /// The available range to scroll within the document.
9469 scroll_range: Size<Pixels>,
9470 /// The space available for one glyph in the editor.
9471 glyph_grid_cell: Size<Pixels>,
9472}
9473
9474impl ScrollbarLayoutInformation {
9475 pub fn new(
9476 editor_bounds: Bounds<Pixels>,
9477 glyph_grid_cell: Size<Pixels>,
9478 document_size: Size<Pixels>,
9479 longest_line_blame_width: Pixels,
9480 settings: &EditorSettings,
9481 ) -> Self {
9482 let vertical_overscroll = match settings.scroll_beyond_last_line {
9483 ScrollBeyondLastLine::OnePage => editor_bounds.size.height,
9484 ScrollBeyondLastLine::Off => glyph_grid_cell.height,
9485 ScrollBeyondLastLine::VerticalScrollMargin => {
9486 (1.0 + settings.vertical_scroll_margin) * glyph_grid_cell.height
9487 }
9488 };
9489
9490 let overscroll = size(longest_line_blame_width, vertical_overscroll);
9491
9492 ScrollbarLayoutInformation {
9493 editor_bounds,
9494 scroll_range: document_size + overscroll,
9495 glyph_grid_cell,
9496 }
9497 }
9498}
9499
9500impl IntoElement for EditorElement {
9501 type Element = Self;
9502
9503 fn into_element(self) -> Self::Element {
9504 self
9505 }
9506}
9507
9508pub struct EditorLayout {
9509 position_map: Rc<PositionMap>,
9510 hitbox: Hitbox,
9511 gutter_hitbox: Hitbox,
9512 content_origin: gpui::Point<Pixels>,
9513 scrollbars_layout: Option<EditorScrollbars>,
9514 minimap: Option<MinimapLayout>,
9515 mode: EditorMode,
9516 wrap_guides: SmallVec<[(Pixels, bool); 2]>,
9517 indent_guides: Option<Vec<IndentGuideLayout>>,
9518 visible_display_row_range: Range<DisplayRow>,
9519 active_rows: BTreeMap<DisplayRow, LineHighlightSpec>,
9520 highlighted_rows: BTreeMap<DisplayRow, LineHighlight>,
9521 line_elements: SmallVec<[AnyElement; 1]>,
9522 line_numbers: Arc<HashMap<MultiBufferRow, LineNumberLayout>>,
9523 display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
9524 blamed_display_rows: Option<Vec<AnyElement>>,
9525 inline_diagnostics: HashMap<DisplayRow, AnyElement>,
9526 inline_blame_layout: Option<InlineBlameLayout>,
9527 inline_code_actions: Option<AnyElement>,
9528 blocks: Vec<BlockLayout>,
9529 highlighted_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9530 highlighted_gutter_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9531 redacted_ranges: Vec<Range<DisplayPoint>>,
9532 cursors: Vec<(DisplayPoint, Hsla)>,
9533 visible_cursors: Vec<CursorLayout>,
9534 selections: Vec<(PlayerColor, Vec<SelectionLayout>)>,
9535 test_indicators: Vec<AnyElement>,
9536 breakpoints: Vec<AnyElement>,
9537 crease_toggles: Vec<Option<AnyElement>>,
9538 expand_toggles: Vec<Option<(AnyElement, gpui::Point<Pixels>)>>,
9539 diff_hunk_controls: Vec<AnyElement>,
9540 crease_trailers: Vec<Option<CreaseTrailerLayout>>,
9541 edit_prediction_popover: Option<AnyElement>,
9542 mouse_context_menu: Option<AnyElement>,
9543 tab_invisible: ShapedLine,
9544 space_invisible: ShapedLine,
9545 sticky_buffer_header: Option<AnyElement>,
9546 document_colors: Option<(DocumentColorsRenderMode, Vec<(Range<DisplayPoint>, Hsla)>)>,
9547}
9548
9549impl EditorLayout {
9550 fn line_end_overshoot(&self) -> Pixels {
9551 0.15 * self.position_map.line_height
9552 }
9553}
9554
9555struct LineNumberLayout {
9556 shaped_line: ShapedLine,
9557 hitbox: Option<Hitbox>,
9558}
9559
9560struct ColoredRange<T> {
9561 start: T,
9562 end: T,
9563 color: Hsla,
9564}
9565
9566impl Along for ScrollbarAxes {
9567 type Unit = bool;
9568
9569 fn along(&self, axis: ScrollbarAxis) -> Self::Unit {
9570 match axis {
9571 ScrollbarAxis::Horizontal => self.horizontal,
9572 ScrollbarAxis::Vertical => self.vertical,
9573 }
9574 }
9575
9576 fn apply_along(&self, axis: ScrollbarAxis, f: impl FnOnce(Self::Unit) -> Self::Unit) -> Self {
9577 match axis {
9578 ScrollbarAxis::Horizontal => ScrollbarAxes {
9579 horizontal: f(self.horizontal),
9580 vertical: self.vertical,
9581 },
9582 ScrollbarAxis::Vertical => ScrollbarAxes {
9583 horizontal: self.horizontal,
9584 vertical: f(self.vertical),
9585 },
9586 }
9587 }
9588}
9589
9590#[derive(Clone)]
9591struct EditorScrollbars {
9592 pub vertical: Option<ScrollbarLayout>,
9593 pub horizontal: Option<ScrollbarLayout>,
9594 pub visible: bool,
9595}
9596
9597impl EditorScrollbars {
9598 pub fn from_scrollbar_axes(
9599 show_scrollbar: ScrollbarAxes,
9600 layout_information: &ScrollbarLayoutInformation,
9601 content_offset: gpui::Point<Pixels>,
9602 scroll_position: gpui::Point<f32>,
9603 scrollbar_width: Pixels,
9604 right_margin: Pixels,
9605 editor_width: Pixels,
9606 show_scrollbars: bool,
9607 scrollbar_state: Option<&ActiveScrollbarState>,
9608 window: &mut Window,
9609 ) -> Self {
9610 let ScrollbarLayoutInformation {
9611 editor_bounds,
9612 scroll_range,
9613 glyph_grid_cell,
9614 } = layout_information;
9615
9616 let viewport_size = size(editor_width, editor_bounds.size.height);
9617
9618 let scrollbar_bounds_for = |axis: ScrollbarAxis| match axis {
9619 ScrollbarAxis::Horizontal => Bounds::from_corner_and_size(
9620 Corner::BottomLeft,
9621 editor_bounds.bottom_left(),
9622 size(
9623 // The horizontal viewport size differs from the space available for the
9624 // horizontal scrollbar, so we have to manually stich it together here.
9625 editor_bounds.size.width - right_margin,
9626 scrollbar_width,
9627 ),
9628 ),
9629 ScrollbarAxis::Vertical => Bounds::from_corner_and_size(
9630 Corner::TopRight,
9631 editor_bounds.top_right(),
9632 size(scrollbar_width, viewport_size.height),
9633 ),
9634 };
9635
9636 let mut create_scrollbar_layout = |axis| {
9637 let viewport_size = viewport_size.along(axis);
9638 let scroll_range = scroll_range.along(axis);
9639
9640 // We always want a vertical scrollbar track for scrollbar diagnostic visibility.
9641 (show_scrollbar.along(axis)
9642 && (axis == ScrollbarAxis::Vertical || scroll_range > viewport_size))
9643 .then(|| {
9644 ScrollbarLayout::new(
9645 window.insert_hitbox(scrollbar_bounds_for(axis), HitboxBehavior::Normal),
9646 viewport_size,
9647 scroll_range,
9648 glyph_grid_cell.along(axis),
9649 content_offset.along(axis),
9650 scroll_position.along(axis),
9651 show_scrollbars,
9652 axis,
9653 )
9654 .with_thumb_state(
9655 scrollbar_state.and_then(|state| state.thumb_state_for_axis(axis)),
9656 )
9657 })
9658 };
9659
9660 Self {
9661 vertical: create_scrollbar_layout(ScrollbarAxis::Vertical),
9662 horizontal: create_scrollbar_layout(ScrollbarAxis::Horizontal),
9663 visible: show_scrollbars,
9664 }
9665 }
9666
9667 pub fn iter_scrollbars(&self) -> impl Iterator<Item = (&ScrollbarLayout, ScrollbarAxis)> + '_ {
9668 [
9669 (&self.vertical, ScrollbarAxis::Vertical),
9670 (&self.horizontal, ScrollbarAxis::Horizontal),
9671 ]
9672 .into_iter()
9673 .filter_map(|(scrollbar, axis)| scrollbar.as_ref().map(|s| (s, axis)))
9674 }
9675
9676 /// Returns the currently hovered scrollbar axis, if any.
9677 pub fn get_hovered_axis(&self, window: &Window) -> Option<(&ScrollbarLayout, ScrollbarAxis)> {
9678 self.iter_scrollbars()
9679 .find(|s| s.0.hitbox.is_hovered(window))
9680 }
9681}
9682
9683#[derive(Clone)]
9684struct ScrollbarLayout {
9685 hitbox: Hitbox,
9686 visible_range: Range<f32>,
9687 text_unit_size: Pixels,
9688 thumb_bounds: Option<Bounds<Pixels>>,
9689 thumb_state: ScrollbarThumbState,
9690}
9691
9692impl ScrollbarLayout {
9693 const BORDER_WIDTH: Pixels = px(1.0);
9694 const LINE_MARKER_HEIGHT: Pixels = px(2.0);
9695 const MIN_MARKER_HEIGHT: Pixels = px(5.0);
9696 const MIN_THUMB_SIZE: Pixels = px(25.0);
9697
9698 fn new(
9699 scrollbar_track_hitbox: Hitbox,
9700 viewport_size: Pixels,
9701 scroll_range: Pixels,
9702 glyph_space: Pixels,
9703 content_offset: Pixels,
9704 scroll_position: f32,
9705 show_thumb: bool,
9706 axis: ScrollbarAxis,
9707 ) -> Self {
9708 let track_bounds = scrollbar_track_hitbox.bounds;
9709 // The length of the track available to the scrollbar thumb. We deliberately
9710 // exclude the content size here so that the thumb aligns with the content.
9711 let track_length = track_bounds.size.along(axis) - content_offset;
9712
9713 Self::new_with_hitbox_and_track_length(
9714 scrollbar_track_hitbox,
9715 track_length,
9716 viewport_size,
9717 scroll_range,
9718 glyph_space,
9719 content_offset,
9720 scroll_position,
9721 show_thumb,
9722 axis,
9723 )
9724 }
9725
9726 fn for_minimap(
9727 minimap_track_hitbox: Hitbox,
9728 visible_lines: f32,
9729 total_editor_lines: f32,
9730 minimap_line_height: Pixels,
9731 scroll_position: f32,
9732 minimap_scroll_top: f32,
9733 show_thumb: bool,
9734 ) -> Self {
9735 // The scrollbar thumb size is calculated as
9736 // (visible_content/total_content) Γ scrollbar_track_length.
9737 //
9738 // For the minimap's thumb layout, we leverage this by setting the
9739 // scrollbar track length to the entire document size (using minimap line
9740 // height). This creates a thumb that exactly represents the editor
9741 // viewport scaled to minimap proportions.
9742 //
9743 // We adjust the thumb position relative to `minimap_scroll_top` to
9744 // accommodate for the deliberately oversized track.
9745 //
9746 // This approach ensures that the minimap thumb accurately reflects the
9747 // editor's current scroll position whilst nicely synchronizing the minimap
9748 // thumb and scrollbar thumb.
9749 let scroll_range = total_editor_lines * minimap_line_height;
9750 let viewport_size = visible_lines * minimap_line_height;
9751
9752 let track_top_offset = -minimap_scroll_top * minimap_line_height;
9753
9754 Self::new_with_hitbox_and_track_length(
9755 minimap_track_hitbox,
9756 scroll_range,
9757 viewport_size,
9758 scroll_range,
9759 minimap_line_height,
9760 track_top_offset,
9761 scroll_position,
9762 show_thumb,
9763 ScrollbarAxis::Vertical,
9764 )
9765 }
9766
9767 fn new_with_hitbox_and_track_length(
9768 scrollbar_track_hitbox: Hitbox,
9769 track_length: Pixels,
9770 viewport_size: Pixels,
9771 scroll_range: Pixels,
9772 glyph_space: Pixels,
9773 content_offset: Pixels,
9774 scroll_position: f32,
9775 show_thumb: bool,
9776 axis: ScrollbarAxis,
9777 ) -> Self {
9778 let text_units_per_page = viewport_size / glyph_space;
9779 let visible_range = scroll_position..scroll_position + text_units_per_page;
9780 let total_text_units = scroll_range / glyph_space;
9781
9782 let thumb_percentage = text_units_per_page / total_text_units;
9783 let thumb_size = (track_length * thumb_percentage)
9784 .max(ScrollbarLayout::MIN_THUMB_SIZE)
9785 .min(track_length);
9786
9787 let text_unit_divisor = (total_text_units - text_units_per_page).max(0.);
9788
9789 let content_larger_than_viewport = text_unit_divisor > 0.;
9790
9791 let text_unit_size = if content_larger_than_viewport {
9792 (track_length - thumb_size) / text_unit_divisor
9793 } else {
9794 glyph_space
9795 };
9796
9797 let thumb_bounds = (show_thumb && content_larger_than_viewport).then(|| {
9798 Self::thumb_bounds(
9799 &scrollbar_track_hitbox,
9800 content_offset,
9801 visible_range.start,
9802 text_unit_size,
9803 thumb_size,
9804 axis,
9805 )
9806 });
9807
9808 ScrollbarLayout {
9809 hitbox: scrollbar_track_hitbox,
9810 visible_range,
9811 text_unit_size,
9812 thumb_bounds,
9813 thumb_state: Default::default(),
9814 }
9815 }
9816
9817 fn with_thumb_state(self, thumb_state: Option<ScrollbarThumbState>) -> Self {
9818 if let Some(thumb_state) = thumb_state {
9819 Self {
9820 thumb_state,
9821 ..self
9822 }
9823 } else {
9824 self
9825 }
9826 }
9827
9828 fn thumb_bounds(
9829 scrollbar_track: &Hitbox,
9830 content_offset: Pixels,
9831 visible_range_start: f32,
9832 text_unit_size: Pixels,
9833 thumb_size: Pixels,
9834 axis: ScrollbarAxis,
9835 ) -> Bounds<Pixels> {
9836 let thumb_origin = scrollbar_track.origin.apply_along(axis, |origin| {
9837 origin + content_offset + visible_range_start * text_unit_size
9838 });
9839 Bounds::new(
9840 thumb_origin,
9841 scrollbar_track.size.apply_along(axis, |_| thumb_size),
9842 )
9843 }
9844
9845 fn thumb_hovered(&self, position: &gpui::Point<Pixels>) -> bool {
9846 self.thumb_bounds
9847 .is_some_and(|bounds| bounds.contains(position))
9848 }
9849
9850 fn marker_quads_for_ranges(
9851 &self,
9852 row_ranges: impl IntoIterator<Item = ColoredRange<DisplayRow>>,
9853 column: Option<usize>,
9854 ) -> Vec<PaintQuad> {
9855 struct MinMax {
9856 min: Pixels,
9857 max: Pixels,
9858 }
9859 let (x_range, height_limit) = if let Some(column) = column {
9860 let column_width = px(((self.hitbox.size.width - Self::BORDER_WIDTH).0 / 3.0).floor());
9861 let start = Self::BORDER_WIDTH + (column as f32 * column_width);
9862 let end = start + column_width;
9863 (
9864 Range { start, end },
9865 MinMax {
9866 min: Self::MIN_MARKER_HEIGHT,
9867 max: px(f32::MAX),
9868 },
9869 )
9870 } else {
9871 (
9872 Range {
9873 start: Self::BORDER_WIDTH,
9874 end: self.hitbox.size.width,
9875 },
9876 MinMax {
9877 min: Self::LINE_MARKER_HEIGHT,
9878 max: Self::LINE_MARKER_HEIGHT,
9879 },
9880 )
9881 };
9882
9883 let row_to_y = |row: DisplayRow| row.as_f32() * self.text_unit_size;
9884 let mut pixel_ranges = row_ranges
9885 .into_iter()
9886 .map(|range| {
9887 let start_y = row_to_y(range.start);
9888 let end_y = row_to_y(range.end)
9889 + self
9890 .text_unit_size
9891 .max(height_limit.min)
9892 .min(height_limit.max);
9893 ColoredRange {
9894 start: start_y,
9895 end: end_y,
9896 color: range.color,
9897 }
9898 })
9899 .peekable();
9900
9901 let mut quads = Vec::new();
9902 while let Some(mut pixel_range) = pixel_ranges.next() {
9903 while let Some(next_pixel_range) = pixel_ranges.peek() {
9904 if pixel_range.end >= next_pixel_range.start - px(1.0)
9905 && pixel_range.color == next_pixel_range.color
9906 {
9907 pixel_range.end = next_pixel_range.end.max(pixel_range.end);
9908 pixel_ranges.next();
9909 } else {
9910 break;
9911 }
9912 }
9913
9914 let bounds = Bounds::from_corners(
9915 point(x_range.start, pixel_range.start),
9916 point(x_range.end, pixel_range.end),
9917 );
9918 quads.push(quad(
9919 bounds,
9920 Corners::default(),
9921 pixel_range.color,
9922 Edges::default(),
9923 Hsla::transparent_black(),
9924 BorderStyle::default(),
9925 ));
9926 }
9927
9928 quads
9929 }
9930}
9931
9932struct MinimapLayout {
9933 pub minimap: AnyElement,
9934 pub thumb_layout: ScrollbarLayout,
9935 pub minimap_scroll_top: f32,
9936 pub minimap_line_height: Pixels,
9937 pub thumb_border_style: MinimapThumbBorder,
9938 pub max_scroll_top: f32,
9939}
9940
9941impl MinimapLayout {
9942 /// The minimum width of the minimap in columns. If the minimap is smaller than this, it will be hidden.
9943 const MINIMAP_MIN_WIDTH_COLUMNS: f32 = 20.;
9944 /// The minimap width as a percentage of the editor width.
9945 const MINIMAP_WIDTH_PCT: f32 = 0.15;
9946 /// Calculates the scroll top offset the minimap editor has to have based on the
9947 /// current scroll progress.
9948 fn calculate_minimap_top_offset(
9949 document_lines: f32,
9950 visible_editor_lines: f32,
9951 visible_minimap_lines: f32,
9952 scroll_position: f32,
9953 ) -> f32 {
9954 let non_visible_document_lines = (document_lines - visible_editor_lines).max(0.);
9955 if non_visible_document_lines == 0. {
9956 0.
9957 } else {
9958 let scroll_percentage = (scroll_position / non_visible_document_lines).clamp(0., 1.);
9959 scroll_percentage * (document_lines - visible_minimap_lines).max(0.)
9960 }
9961 }
9962}
9963
9964struct CreaseTrailerLayout {
9965 element: AnyElement,
9966 bounds: Bounds<Pixels>,
9967}
9968
9969pub(crate) struct PositionMap {
9970 pub size: Size<Pixels>,
9971 pub line_height: Pixels,
9972 pub scroll_pixel_position: gpui::Point<Pixels>,
9973 pub scroll_max: gpui::Point<f32>,
9974 pub em_width: Pixels,
9975 pub em_advance: Pixels,
9976 pub visible_row_range: Range<DisplayRow>,
9977 pub line_layouts: Vec<LineWithInvisibles>,
9978 pub snapshot: EditorSnapshot,
9979 pub text_hitbox: Hitbox,
9980 pub gutter_hitbox: Hitbox,
9981 pub inline_blame_bounds: Option<(Bounds<Pixels>, BufferId, BlameEntry)>,
9982 pub display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
9983 pub diff_hunk_control_bounds: Vec<(DisplayRow, Bounds<Pixels>)>,
9984}
9985
9986#[derive(Debug, Copy, Clone)]
9987pub struct PointForPosition {
9988 pub previous_valid: DisplayPoint,
9989 pub next_valid: DisplayPoint,
9990 pub exact_unclipped: DisplayPoint,
9991 pub column_overshoot_after_line_end: u32,
9992}
9993
9994impl PointForPosition {
9995 pub fn as_valid(&self) -> Option<DisplayPoint> {
9996 if self.previous_valid == self.exact_unclipped && self.next_valid == self.exact_unclipped {
9997 Some(self.previous_valid)
9998 } else {
9999 None
10000 }
10001 }
10002
10003 pub fn intersects_selection(&self, selection: &Selection<DisplayPoint>) -> bool {
10004 let Some(valid_point) = self.as_valid() else {
10005 return false;
10006 };
10007 let range = selection.range();
10008
10009 let candidate_row = valid_point.row();
10010 let candidate_col = valid_point.column();
10011
10012 let start_row = range.start.row();
10013 let start_col = range.start.column();
10014 let end_row = range.end.row();
10015 let end_col = range.end.column();
10016
10017 if candidate_row < start_row || candidate_row > end_row {
10018 false
10019 } else if start_row == end_row {
10020 candidate_col >= start_col && candidate_col < end_col
10021 } else if candidate_row == start_row {
10022 candidate_col >= start_col
10023 } else if candidate_row == end_row {
10024 candidate_col < end_col
10025 } else {
10026 true
10027 }
10028 }
10029}
10030
10031impl PositionMap {
10032 pub(crate) fn point_for_position(&self, position: gpui::Point<Pixels>) -> PointForPosition {
10033 let text_bounds = self.text_hitbox.bounds;
10034 let scroll_position = self.snapshot.scroll_position();
10035 let position = position - text_bounds.origin;
10036 let y = position.y.max(px(0.)).min(self.size.height);
10037 let x = position.x + (scroll_position.x * self.em_advance);
10038 let row = ((y / self.line_height) + scroll_position.y) as u32;
10039
10040 let (column, x_overshoot_after_line_end) = if let Some(line) = self
10041 .line_layouts
10042 .get(row as usize - scroll_position.y as usize)
10043 {
10044 if let Some(ix) = line.index_for_x(x) {
10045 (ix as u32, px(0.))
10046 } else {
10047 (line.len as u32, px(0.).max(x - line.width))
10048 }
10049 } else {
10050 (0, x)
10051 };
10052
10053 let mut exact_unclipped = DisplayPoint::new(DisplayRow(row), column);
10054 let previous_valid = self.snapshot.clip_point(exact_unclipped, Bias::Left);
10055 let next_valid = self.snapshot.clip_point(exact_unclipped, Bias::Right);
10056
10057 let column_overshoot_after_line_end = (x_overshoot_after_line_end / self.em_advance) as u32;
10058 *exact_unclipped.column_mut() += column_overshoot_after_line_end;
10059 PointForPosition {
10060 previous_valid,
10061 next_valid,
10062 exact_unclipped,
10063 column_overshoot_after_line_end,
10064 }
10065 }
10066}
10067
10068struct BlockLayout {
10069 id: BlockId,
10070 x_offset: Pixels,
10071 row: Option<DisplayRow>,
10072 element: AnyElement,
10073 available_space: Size<AvailableSpace>,
10074 style: BlockStyle,
10075 overlaps_gutter: bool,
10076 is_buffer_header: bool,
10077}
10078
10079pub fn layout_line(
10080 row: DisplayRow,
10081 snapshot: &EditorSnapshot,
10082 style: &EditorStyle,
10083 text_width: Pixels,
10084 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
10085 window: &mut Window,
10086 cx: &mut App,
10087) -> LineWithInvisibles {
10088 let chunks = snapshot.highlighted_chunks(row..row + DisplayRow(1), true, style);
10089 LineWithInvisibles::from_chunks(
10090 chunks,
10091 style,
10092 MAX_LINE_LEN,
10093 1,
10094 &snapshot.mode,
10095 text_width,
10096 is_row_soft_wrapped,
10097 &[],
10098 window,
10099 cx,
10100 )
10101 .pop()
10102 .unwrap()
10103}
10104
10105#[derive(Debug)]
10106pub struct IndentGuideLayout {
10107 origin: gpui::Point<Pixels>,
10108 length: Pixels,
10109 single_indent_width: Pixels,
10110 depth: u32,
10111 active: bool,
10112 settings: IndentGuideSettings,
10113}
10114
10115pub struct CursorLayout {
10116 origin: gpui::Point<Pixels>,
10117 block_width: Pixels,
10118 line_height: Pixels,
10119 color: Hsla,
10120 shape: CursorShape,
10121 block_text: Option<ShapedLine>,
10122 cursor_name: Option<AnyElement>,
10123}
10124
10125#[derive(Debug)]
10126pub struct CursorName {
10127 string: SharedString,
10128 color: Hsla,
10129 is_top_row: bool,
10130}
10131
10132impl CursorLayout {
10133 pub fn new(
10134 origin: gpui::Point<Pixels>,
10135 block_width: Pixels,
10136 line_height: Pixels,
10137 color: Hsla,
10138 shape: CursorShape,
10139 block_text: Option<ShapedLine>,
10140 ) -> CursorLayout {
10141 CursorLayout {
10142 origin,
10143 block_width,
10144 line_height,
10145 color,
10146 shape,
10147 block_text,
10148 cursor_name: None,
10149 }
10150 }
10151
10152 pub fn bounding_rect(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10153 Bounds {
10154 origin: self.origin + origin,
10155 size: size(self.block_width, self.line_height),
10156 }
10157 }
10158
10159 fn bounds(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10160 match self.shape {
10161 CursorShape::Bar => Bounds {
10162 origin: self.origin + origin,
10163 size: size(px(2.0), self.line_height),
10164 },
10165 CursorShape::Block | CursorShape::Hollow => Bounds {
10166 origin: self.origin + origin,
10167 size: size(self.block_width, self.line_height),
10168 },
10169 CursorShape::Underline => Bounds {
10170 origin: self.origin
10171 + origin
10172 + gpui::Point::new(Pixels::ZERO, self.line_height - px(2.0)),
10173 size: size(self.block_width, px(2.0)),
10174 },
10175 }
10176 }
10177
10178 pub fn layout(
10179 &mut self,
10180 origin: gpui::Point<Pixels>,
10181 cursor_name: Option<CursorName>,
10182 window: &mut Window,
10183 cx: &mut App,
10184 ) {
10185 if let Some(cursor_name) = cursor_name {
10186 let bounds = self.bounds(origin);
10187 let text_size = self.line_height / 1.5;
10188
10189 let name_origin = if cursor_name.is_top_row {
10190 point(bounds.right() - px(1.), bounds.top())
10191 } else {
10192 match self.shape {
10193 CursorShape::Bar => point(
10194 bounds.right() - px(2.),
10195 bounds.top() - text_size / 2. - px(1.),
10196 ),
10197 _ => point(
10198 bounds.right() - px(1.),
10199 bounds.top() - text_size / 2. - px(1.),
10200 ),
10201 }
10202 };
10203 let mut name_element = div()
10204 .bg(self.color)
10205 .text_size(text_size)
10206 .px_0p5()
10207 .line_height(text_size + px(2.))
10208 .text_color(cursor_name.color)
10209 .child(cursor_name.string)
10210 .into_any_element();
10211
10212 name_element.prepaint_as_root(name_origin, AvailableSpace::min_size(), window, cx);
10213
10214 self.cursor_name = Some(name_element);
10215 }
10216 }
10217
10218 pub fn paint(&mut self, origin: gpui::Point<Pixels>, window: &mut Window, cx: &mut App) {
10219 let bounds = self.bounds(origin);
10220
10221 //Draw background or border quad
10222 let cursor = if matches!(self.shape, CursorShape::Hollow) {
10223 outline(bounds, self.color, BorderStyle::Solid)
10224 } else {
10225 fill(bounds, self.color)
10226 };
10227
10228 if let Some(name) = &mut self.cursor_name {
10229 name.paint(window, cx);
10230 }
10231
10232 window.paint_quad(cursor);
10233
10234 if let Some(block_text) = &self.block_text {
10235 block_text
10236 .paint(self.origin + origin, self.line_height, window, cx)
10237 .log_err();
10238 }
10239 }
10240
10241 pub fn shape(&self) -> CursorShape {
10242 self.shape
10243 }
10244}
10245
10246#[derive(Debug)]
10247pub struct HighlightedRange {
10248 pub start_y: Pixels,
10249 pub line_height: Pixels,
10250 pub lines: Vec<HighlightedRangeLine>,
10251 pub color: Hsla,
10252 pub corner_radius: Pixels,
10253}
10254
10255#[derive(Debug)]
10256pub struct HighlightedRangeLine {
10257 pub start_x: Pixels,
10258 pub end_x: Pixels,
10259}
10260
10261impl HighlightedRange {
10262 pub fn paint(&self, fill: bool, bounds: Bounds<Pixels>, window: &mut Window) {
10263 if self.lines.len() >= 2 && self.lines[0].start_x > self.lines[1].end_x {
10264 self.paint_lines(self.start_y, &self.lines[0..1], fill, bounds, window);
10265 self.paint_lines(
10266 self.start_y + self.line_height,
10267 &self.lines[1..],
10268 fill,
10269 bounds,
10270 window,
10271 );
10272 } else {
10273 self.paint_lines(self.start_y, &self.lines, fill, bounds, window);
10274 }
10275 }
10276
10277 fn paint_lines(
10278 &self,
10279 start_y: Pixels,
10280 lines: &[HighlightedRangeLine],
10281 fill: bool,
10282 _bounds: Bounds<Pixels>,
10283 window: &mut Window,
10284 ) {
10285 if lines.is_empty() {
10286 return;
10287 }
10288
10289 let first_line = lines.first().unwrap();
10290 let last_line = lines.last().unwrap();
10291
10292 let first_top_left = point(first_line.start_x, start_y);
10293 let first_top_right = point(first_line.end_x, start_y);
10294
10295 let curve_height = point(Pixels::ZERO, self.corner_radius);
10296 let curve_width = |start_x: Pixels, end_x: Pixels| {
10297 let max = (end_x - start_x) / 2.;
10298 let width = if max < self.corner_radius {
10299 max
10300 } else {
10301 self.corner_radius
10302 };
10303
10304 point(width, Pixels::ZERO)
10305 };
10306
10307 let top_curve_width = curve_width(first_line.start_x, first_line.end_x);
10308 let mut builder = if fill {
10309 gpui::PathBuilder::fill()
10310 } else {
10311 gpui::PathBuilder::stroke(px(1.))
10312 };
10313 builder.move_to(first_top_right - top_curve_width);
10314 builder.curve_to(first_top_right + curve_height, first_top_right);
10315
10316 let mut iter = lines.iter().enumerate().peekable();
10317 while let Some((ix, line)) = iter.next() {
10318 let bottom_right = point(line.end_x, start_y + (ix + 1) as f32 * self.line_height);
10319
10320 if let Some((_, next_line)) = iter.peek() {
10321 let next_top_right = point(next_line.end_x, bottom_right.y);
10322
10323 match next_top_right.x.partial_cmp(&bottom_right.x).unwrap() {
10324 Ordering::Equal => {
10325 builder.line_to(bottom_right);
10326 }
10327 Ordering::Less => {
10328 let curve_width = curve_width(next_top_right.x, bottom_right.x);
10329 builder.line_to(bottom_right - curve_height);
10330 if self.corner_radius > Pixels::ZERO {
10331 builder.curve_to(bottom_right - curve_width, bottom_right);
10332 }
10333 builder.line_to(next_top_right + curve_width);
10334 if self.corner_radius > Pixels::ZERO {
10335 builder.curve_to(next_top_right + curve_height, next_top_right);
10336 }
10337 }
10338 Ordering::Greater => {
10339 let curve_width = curve_width(bottom_right.x, next_top_right.x);
10340 builder.line_to(bottom_right - curve_height);
10341 if self.corner_radius > Pixels::ZERO {
10342 builder.curve_to(bottom_right + curve_width, bottom_right);
10343 }
10344 builder.line_to(next_top_right - curve_width);
10345 if self.corner_radius > Pixels::ZERO {
10346 builder.curve_to(next_top_right + curve_height, next_top_right);
10347 }
10348 }
10349 }
10350 } else {
10351 let curve_width = curve_width(line.start_x, line.end_x);
10352 builder.line_to(bottom_right - curve_height);
10353 if self.corner_radius > Pixels::ZERO {
10354 builder.curve_to(bottom_right - curve_width, bottom_right);
10355 }
10356
10357 let bottom_left = point(line.start_x, bottom_right.y);
10358 builder.line_to(bottom_left + curve_width);
10359 if self.corner_radius > Pixels::ZERO {
10360 builder.curve_to(bottom_left - curve_height, bottom_left);
10361 }
10362 }
10363 }
10364
10365 if first_line.start_x > last_line.start_x {
10366 let curve_width = curve_width(last_line.start_x, first_line.start_x);
10367 let second_top_left = point(last_line.start_x, start_y + self.line_height);
10368 builder.line_to(second_top_left + curve_height);
10369 if self.corner_radius > Pixels::ZERO {
10370 builder.curve_to(second_top_left + curve_width, second_top_left);
10371 }
10372 let first_bottom_left = point(first_line.start_x, second_top_left.y);
10373 builder.line_to(first_bottom_left - curve_width);
10374 if self.corner_radius > Pixels::ZERO {
10375 builder.curve_to(first_bottom_left - curve_height, first_bottom_left);
10376 }
10377 }
10378
10379 builder.line_to(first_top_left + curve_height);
10380 if self.corner_radius > Pixels::ZERO {
10381 builder.curve_to(first_top_left + top_curve_width, first_top_left);
10382 }
10383 builder.line_to(first_top_right - top_curve_width);
10384
10385 if let Ok(path) = builder.build() {
10386 window.paint_path(path, self.color);
10387 }
10388 }
10389}
10390
10391enum CursorPopoverType {
10392 CodeContextMenu,
10393 EditPrediction,
10394}
10395
10396pub fn scale_vertical_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10397 (delta.pow(1.2) / 100.0).min(px(3.0)).into()
10398}
10399
10400fn scale_horizontal_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10401 (delta.pow(1.2) / 300.0).into()
10402}
10403
10404pub fn register_action<T: Action>(
10405 editor: &Entity<Editor>,
10406 window: &mut Window,
10407 listener: impl Fn(&mut Editor, &T, &mut Window, &mut Context<Editor>) + 'static,
10408) {
10409 let editor = editor.clone();
10410 window.on_action(TypeId::of::<T>(), move |action, phase, window, cx| {
10411 let action = action.downcast_ref().unwrap();
10412 if phase == DispatchPhase::Bubble {
10413 editor.update(cx, |editor, cx| {
10414 listener(editor, action, window, cx);
10415 })
10416 }
10417 })
10418}
10419
10420fn compute_auto_height_layout(
10421 editor: &mut Editor,
10422 min_lines: usize,
10423 max_lines: Option<usize>,
10424 max_line_number_width: Pixels,
10425 known_dimensions: Size<Option<Pixels>>,
10426 available_width: AvailableSpace,
10427 window: &mut Window,
10428 cx: &mut Context<Editor>,
10429) -> Option<Size<Pixels>> {
10430 let width = known_dimensions.width.or({
10431 if let AvailableSpace::Definite(available_width) = available_width {
10432 Some(available_width)
10433 } else {
10434 None
10435 }
10436 })?;
10437 if let Some(height) = known_dimensions.height {
10438 return Some(size(width, height));
10439 }
10440
10441 let style = editor.style.as_ref().unwrap();
10442 let font_id = window.text_system().resolve_font(&style.text.font());
10443 let font_size = style.text.font_size.to_pixels(window.rem_size());
10444 let line_height = style.text.line_height_in_pixels(window.rem_size());
10445 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
10446
10447 let mut snapshot = editor.snapshot(window, cx);
10448 let gutter_dimensions = snapshot
10449 .gutter_dimensions(font_id, font_size, max_line_number_width, cx)
10450 .or_else(|| {
10451 editor
10452 .offset_content
10453 .then(|| GutterDimensions::default_with_margin(font_id, font_size, cx))
10454 })
10455 .unwrap_or_default();
10456
10457 editor.gutter_dimensions = gutter_dimensions;
10458 let text_width = width - gutter_dimensions.width;
10459 let overscroll = size(em_width, px(0.));
10460
10461 let editor_width = text_width - gutter_dimensions.margin - overscroll.width - em_width;
10462 if !matches!(editor.soft_wrap_mode(cx), SoftWrap::None)
10463 && editor.set_wrap_width(Some(editor_width), cx)
10464 {
10465 snapshot = editor.snapshot(window, cx);
10466 }
10467
10468 let scroll_height = (snapshot.max_point().row().next_row().0 as f32) * line_height;
10469
10470 let min_height = line_height * min_lines as f32;
10471 let content_height = scroll_height.max(min_height);
10472
10473 let final_height = if let Some(max_lines) = max_lines {
10474 let max_height = line_height * max_lines as f32;
10475 content_height.min(max_height)
10476 } else {
10477 content_height
10478 };
10479
10480 Some(size(width, final_height))
10481}
10482
10483#[cfg(test)]
10484mod tests {
10485 use super::*;
10486 use crate::{
10487 Editor, MultiBuffer, SelectionEffects,
10488 display_map::{BlockPlacement, BlockProperties},
10489 editor_tests::{init_test, update_test_language_settings},
10490 };
10491 use gpui::{TestAppContext, VisualTestContext};
10492 use language::language_settings;
10493 use log::info;
10494 use std::num::NonZeroU32;
10495 use util::test::sample_text;
10496
10497 #[gpui::test]
10498 async fn test_soft_wrap_editor_width_auto_height_editor(cx: &mut TestAppContext) {
10499 init_test(cx, |_| {});
10500
10501 let window = cx.add_window(|window, cx| {
10502 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10503 let mut editor = Editor::new(
10504 EditorMode::AutoHeight {
10505 min_lines: 1,
10506 max_lines: None,
10507 },
10508 buffer,
10509 None,
10510 window,
10511 cx,
10512 );
10513 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10514 editor
10515 });
10516 let cx = &mut VisualTestContext::from_window(*window, cx);
10517 let editor = window.root(cx).unwrap();
10518 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10519
10520 for x in 1..=100 {
10521 let (_, state) = cx.draw(
10522 Default::default(),
10523 size(px(200. + 0.13 * x as f32), px(500.)),
10524 |_, _| EditorElement::new(&editor, style.clone()),
10525 );
10526
10527 assert!(
10528 state.position_map.scroll_max.x == 0.,
10529 "Soft wrapped editor should have no horizontal scrolling!"
10530 );
10531 }
10532 }
10533
10534 #[gpui::test]
10535 async fn test_soft_wrap_editor_width_full_editor(cx: &mut TestAppContext) {
10536 init_test(cx, |_| {});
10537
10538 let window = cx.add_window(|window, cx| {
10539 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10540 let mut editor = Editor::new(EditorMode::full(), buffer, None, window, cx);
10541 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10542 editor
10543 });
10544 let cx = &mut VisualTestContext::from_window(*window, cx);
10545 let editor = window.root(cx).unwrap();
10546 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10547
10548 for x in 1..=100 {
10549 let (_, state) = cx.draw(
10550 Default::default(),
10551 size(px(200. + 0.13 * x as f32), px(500.)),
10552 |_, _| EditorElement::new(&editor, style.clone()),
10553 );
10554
10555 assert!(
10556 state.position_map.scroll_max.x == 0.,
10557 "Soft wrapped editor should have no horizontal scrolling!"
10558 );
10559 }
10560 }
10561
10562 #[gpui::test]
10563 fn test_shape_line_numbers(cx: &mut TestAppContext) {
10564 init_test(cx, |_| {});
10565 let window = cx.add_window(|window, cx| {
10566 let buffer = MultiBuffer::build_simple(&sample_text(6, 6, 'a'), cx);
10567 Editor::new(EditorMode::full(), buffer, None, window, cx)
10568 });
10569
10570 let editor = window.root(cx).unwrap();
10571 let style = cx.update(|cx| editor.read(cx).style().unwrap().clone());
10572 let line_height = window
10573 .update(cx, |_, window, _| {
10574 style.text.line_height_in_pixels(window.rem_size())
10575 })
10576 .unwrap();
10577 let element = EditorElement::new(&editor, style);
10578 let snapshot = window
10579 .update(cx, |editor, window, cx| editor.snapshot(window, cx))
10580 .unwrap();
10581
10582 let layouts = cx
10583 .update_window(*window, |_, window, cx| {
10584 element.layout_line_numbers(
10585 None,
10586 GutterDimensions {
10587 left_padding: Pixels::ZERO,
10588 right_padding: Pixels::ZERO,
10589 width: px(30.0),
10590 margin: Pixels::ZERO,
10591 git_blame_entries_width: None,
10592 },
10593 line_height,
10594 gpui::Point::default(),
10595 DisplayRow(0)..DisplayRow(6),
10596 &(0..6)
10597 .map(|row| RowInfo {
10598 buffer_row: Some(row),
10599 ..Default::default()
10600 })
10601 .collect::<Vec<_>>(),
10602 &BTreeMap::default(),
10603 Some(DisplayPoint::new(DisplayRow(0), 0)),
10604 &snapshot,
10605 window,
10606 cx,
10607 )
10608 })
10609 .unwrap();
10610 assert_eq!(layouts.len(), 6);
10611
10612 let relative_rows = window
10613 .update(cx, |editor, window, cx| {
10614 let snapshot = editor.snapshot(window, cx);
10615 element.calculate_relative_line_numbers(
10616 &snapshot,
10617 &(DisplayRow(0)..DisplayRow(6)),
10618 Some(DisplayRow(3)),
10619 )
10620 })
10621 .unwrap();
10622 assert_eq!(relative_rows[&DisplayRow(0)], 3);
10623 assert_eq!(relative_rows[&DisplayRow(1)], 2);
10624 assert_eq!(relative_rows[&DisplayRow(2)], 1);
10625 // current line has no relative number
10626 assert_eq!(relative_rows[&DisplayRow(4)], 1);
10627 assert_eq!(relative_rows[&DisplayRow(5)], 2);
10628
10629 // works if cursor is before screen
10630 let relative_rows = window
10631 .update(cx, |editor, window, cx| {
10632 let snapshot = editor.snapshot(window, cx);
10633 element.calculate_relative_line_numbers(
10634 &snapshot,
10635 &(DisplayRow(3)..DisplayRow(6)),
10636 Some(DisplayRow(1)),
10637 )
10638 })
10639 .unwrap();
10640 assert_eq!(relative_rows.len(), 3);
10641 assert_eq!(relative_rows[&DisplayRow(3)], 2);
10642 assert_eq!(relative_rows[&DisplayRow(4)], 3);
10643 assert_eq!(relative_rows[&DisplayRow(5)], 4);
10644
10645 // works if cursor is after screen
10646 let relative_rows = window
10647 .update(cx, |editor, window, cx| {
10648 let snapshot = editor.snapshot(window, cx);
10649 element.calculate_relative_line_numbers(
10650 &snapshot,
10651 &(DisplayRow(0)..DisplayRow(3)),
10652 Some(DisplayRow(6)),
10653 )
10654 })
10655 .unwrap();
10656 assert_eq!(relative_rows.len(), 3);
10657 assert_eq!(relative_rows[&DisplayRow(0)], 5);
10658 assert_eq!(relative_rows[&DisplayRow(1)], 4);
10659 assert_eq!(relative_rows[&DisplayRow(2)], 3);
10660 }
10661
10662 #[gpui::test]
10663 async fn test_vim_visual_selections(cx: &mut TestAppContext) {
10664 init_test(cx, |_| {});
10665
10666 let window = cx.add_window(|window, cx| {
10667 let buffer = MultiBuffer::build_simple(&(sample_text(6, 6, 'a') + "\n"), cx);
10668 Editor::new(EditorMode::full(), buffer, None, window, cx)
10669 });
10670 let cx = &mut VisualTestContext::from_window(*window, cx);
10671 let editor = window.root(cx).unwrap();
10672 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10673
10674 window
10675 .update(cx, |editor, window, cx| {
10676 editor.cursor_shape = CursorShape::Block;
10677 editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
10678 s.select_ranges([
10679 Point::new(0, 0)..Point::new(1, 0),
10680 Point::new(3, 2)..Point::new(3, 3),
10681 Point::new(5, 6)..Point::new(6, 0),
10682 ]);
10683 });
10684 })
10685 .unwrap();
10686
10687 let (_, state) = cx.draw(
10688 point(px(500.), px(500.)),
10689 size(px(500.), px(500.)),
10690 |_, _| EditorElement::new(&editor, style),
10691 );
10692
10693 assert_eq!(state.selections.len(), 1);
10694 let local_selections = &state.selections[0].1;
10695 assert_eq!(local_selections.len(), 3);
10696 // moves cursor back one line
10697 assert_eq!(
10698 local_selections[0].head,
10699 DisplayPoint::new(DisplayRow(0), 6)
10700 );
10701 assert_eq!(
10702 local_selections[0].range,
10703 DisplayPoint::new(DisplayRow(0), 0)..DisplayPoint::new(DisplayRow(1), 0)
10704 );
10705
10706 // moves cursor back one column
10707 assert_eq!(
10708 local_selections[1].range,
10709 DisplayPoint::new(DisplayRow(3), 2)..DisplayPoint::new(DisplayRow(3), 3)
10710 );
10711 assert_eq!(
10712 local_selections[1].head,
10713 DisplayPoint::new(DisplayRow(3), 2)
10714 );
10715
10716 // leaves cursor on the max point
10717 assert_eq!(
10718 local_selections[2].range,
10719 DisplayPoint::new(DisplayRow(5), 6)..DisplayPoint::new(DisplayRow(6), 0)
10720 );
10721 assert_eq!(
10722 local_selections[2].head,
10723 DisplayPoint::new(DisplayRow(6), 0)
10724 );
10725
10726 // active lines does not include 1 (even though the range of the selection does)
10727 assert_eq!(
10728 state.active_rows.keys().cloned().collect::<Vec<_>>(),
10729 vec![DisplayRow(0), DisplayRow(3), DisplayRow(5), DisplayRow(6)]
10730 );
10731 }
10732
10733 #[gpui::test]
10734 fn test_layout_with_placeholder_text_and_blocks(cx: &mut TestAppContext) {
10735 init_test(cx, |_| {});
10736
10737 let window = cx.add_window(|window, cx| {
10738 let buffer = MultiBuffer::build_simple("", cx);
10739 Editor::new(EditorMode::full(), buffer, None, window, cx)
10740 });
10741 let cx = &mut VisualTestContext::from_window(*window, cx);
10742 let editor = window.root(cx).unwrap();
10743 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10744 window
10745 .update(cx, |editor, window, cx| {
10746 editor.set_placeholder_text("hello", cx);
10747 editor.insert_blocks(
10748 [BlockProperties {
10749 style: BlockStyle::Fixed,
10750 placement: BlockPlacement::Above(Anchor::min()),
10751 height: Some(3),
10752 render: Arc::new(|cx| div().h(3. * cx.window.line_height()).into_any()),
10753 priority: 0,
10754 }],
10755 None,
10756 cx,
10757 );
10758
10759 // Blur the editor so that it displays placeholder text.
10760 window.blur();
10761 })
10762 .unwrap();
10763
10764 let (_, state) = cx.draw(
10765 point(px(500.), px(500.)),
10766 size(px(500.), px(500.)),
10767 |_, _| EditorElement::new(&editor, style),
10768 );
10769 assert_eq!(state.position_map.line_layouts.len(), 4);
10770 assert_eq!(state.line_numbers.len(), 1);
10771 assert_eq!(
10772 state
10773 .line_numbers
10774 .get(&MultiBufferRow(0))
10775 .map(|line_number| line_number.shaped_line.text.as_ref()),
10776 Some("1")
10777 );
10778 }
10779
10780 #[gpui::test]
10781 fn test_all_invisibles_drawing(cx: &mut TestAppContext) {
10782 const TAB_SIZE: u32 = 4;
10783
10784 let input_text = "\t \t|\t| a b";
10785 let expected_invisibles = vec![
10786 Invisible::Tab {
10787 line_start_offset: 0,
10788 line_end_offset: TAB_SIZE as usize,
10789 },
10790 Invisible::Whitespace {
10791 line_offset: TAB_SIZE as usize,
10792 },
10793 Invisible::Tab {
10794 line_start_offset: TAB_SIZE as usize + 1,
10795 line_end_offset: TAB_SIZE as usize * 2,
10796 },
10797 Invisible::Tab {
10798 line_start_offset: TAB_SIZE as usize * 2 + 1,
10799 line_end_offset: TAB_SIZE as usize * 3,
10800 },
10801 Invisible::Whitespace {
10802 line_offset: TAB_SIZE as usize * 3 + 1,
10803 },
10804 Invisible::Whitespace {
10805 line_offset: TAB_SIZE as usize * 3 + 3,
10806 },
10807 ];
10808 assert_eq!(
10809 expected_invisibles.len(),
10810 input_text
10811 .chars()
10812 .filter(|initial_char| initial_char.is_whitespace())
10813 .count(),
10814 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
10815 );
10816
10817 for show_line_numbers in [true, false] {
10818 init_test(cx, |s| {
10819 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
10820 s.defaults.tab_size = NonZeroU32::new(TAB_SIZE);
10821 });
10822
10823 let actual_invisibles = collect_invisibles_from_new_editor(
10824 cx,
10825 EditorMode::full(),
10826 input_text,
10827 px(500.0),
10828 show_line_numbers,
10829 );
10830
10831 assert_eq!(expected_invisibles, actual_invisibles);
10832 }
10833 }
10834
10835 #[gpui::test]
10836 fn test_invisibles_dont_appear_in_certain_editors(cx: &mut TestAppContext) {
10837 init_test(cx, |s| {
10838 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
10839 s.defaults.tab_size = NonZeroU32::new(4);
10840 });
10841
10842 for editor_mode_without_invisibles in [
10843 EditorMode::SingleLine,
10844 EditorMode::AutoHeight {
10845 min_lines: 1,
10846 max_lines: Some(100),
10847 },
10848 ] {
10849 for show_line_numbers in [true, false] {
10850 let invisibles = collect_invisibles_from_new_editor(
10851 cx,
10852 editor_mode_without_invisibles.clone(),
10853 "\t\t\t| | a b",
10854 px(500.0),
10855 show_line_numbers,
10856 );
10857 assert!(
10858 invisibles.is_empty(),
10859 "For editor mode {editor_mode_without_invisibles:?} no invisibles was expected but got {invisibles:?}"
10860 );
10861 }
10862 }
10863 }
10864
10865 #[gpui::test]
10866 fn test_wrapped_invisibles_drawing(cx: &mut TestAppContext) {
10867 let tab_size = 4;
10868 let input_text = "a\tbcd ".repeat(9);
10869 let repeated_invisibles = [
10870 Invisible::Tab {
10871 line_start_offset: 1,
10872 line_end_offset: tab_size as usize,
10873 },
10874 Invisible::Whitespace {
10875 line_offset: tab_size as usize + 3,
10876 },
10877 Invisible::Whitespace {
10878 line_offset: tab_size as usize + 4,
10879 },
10880 Invisible::Whitespace {
10881 line_offset: tab_size as usize + 5,
10882 },
10883 Invisible::Whitespace {
10884 line_offset: tab_size as usize + 6,
10885 },
10886 Invisible::Whitespace {
10887 line_offset: tab_size as usize + 7,
10888 },
10889 ];
10890 let expected_invisibles = std::iter::once(repeated_invisibles)
10891 .cycle()
10892 .take(9)
10893 .flatten()
10894 .collect::<Vec<_>>();
10895 assert_eq!(
10896 expected_invisibles.len(),
10897 input_text
10898 .chars()
10899 .filter(|initial_char| initial_char.is_whitespace())
10900 .count(),
10901 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
10902 );
10903 info!("Expected invisibles: {expected_invisibles:?}");
10904
10905 init_test(cx, |_| {});
10906
10907 // Put the same string with repeating whitespace pattern into editors of various size,
10908 // take deliberately small steps during resizing, to put all whitespace kinds near the wrap point.
10909 let resize_step = 10.0;
10910 let mut editor_width = 200.0;
10911 while editor_width <= 1000.0 {
10912 for show_line_numbers in [true, false] {
10913 update_test_language_settings(cx, |s| {
10914 s.defaults.tab_size = NonZeroU32::new(tab_size);
10915 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
10916 s.defaults.preferred_line_length = Some(editor_width as u32);
10917 s.defaults.soft_wrap = Some(language_settings::SoftWrap::PreferredLineLength);
10918 });
10919
10920 let actual_invisibles = collect_invisibles_from_new_editor(
10921 cx,
10922 EditorMode::full(),
10923 &input_text,
10924 px(editor_width),
10925 show_line_numbers,
10926 );
10927
10928 // Whatever the editor size is, ensure it has the same invisible kinds in the same order
10929 // (no good guarantees about the offsets: wrapping could trigger padding and its tests should check the offsets).
10930 let mut i = 0;
10931 for (actual_index, actual_invisible) in actual_invisibles.iter().enumerate() {
10932 i = actual_index;
10933 match expected_invisibles.get(i) {
10934 Some(expected_invisible) => match (expected_invisible, actual_invisible) {
10935 (Invisible::Whitespace { .. }, Invisible::Whitespace { .. })
10936 | (Invisible::Tab { .. }, Invisible::Tab { .. }) => {}
10937 _ => {
10938 panic!(
10939 "At index {i}, expected invisible {expected_invisible:?} does not match actual {actual_invisible:?} by kind. Actual invisibles: {actual_invisibles:?}"
10940 )
10941 }
10942 },
10943 None => {
10944 panic!("Unexpected extra invisible {actual_invisible:?} at index {i}")
10945 }
10946 }
10947 }
10948 let missing_expected_invisibles = &expected_invisibles[i + 1..];
10949 assert!(
10950 missing_expected_invisibles.is_empty(),
10951 "Missing expected invisibles after index {i}: {missing_expected_invisibles:?}"
10952 );
10953
10954 editor_width += resize_step;
10955 }
10956 }
10957 }
10958
10959 fn collect_invisibles_from_new_editor(
10960 cx: &mut TestAppContext,
10961 editor_mode: EditorMode,
10962 input_text: &str,
10963 editor_width: Pixels,
10964 show_line_numbers: bool,
10965 ) -> Vec<Invisible> {
10966 info!(
10967 "Creating editor with mode {editor_mode:?}, width {}px and text '{input_text}'",
10968 editor_width.0
10969 );
10970 let window = cx.add_window(|window, cx| {
10971 let buffer = MultiBuffer::build_simple(input_text, cx);
10972 Editor::new(editor_mode, buffer, None, window, cx)
10973 });
10974 let cx = &mut VisualTestContext::from_window(*window, cx);
10975 let editor = window.root(cx).unwrap();
10976
10977 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10978 window
10979 .update(cx, |editor, _, cx| {
10980 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10981 editor.set_wrap_width(Some(editor_width), cx);
10982 editor.set_show_line_numbers(show_line_numbers, cx);
10983 })
10984 .unwrap();
10985 let (_, state) = cx.draw(
10986 point(px(500.), px(500.)),
10987 size(px(500.), px(500.)),
10988 |_, _| EditorElement::new(&editor, style),
10989 );
10990 state
10991 .position_map
10992 .line_layouts
10993 .iter()
10994 .flat_map(|line_with_invisibles| &line_with_invisibles.invisibles)
10995 .cloned()
10996 .collect()
10997 }
10998
10999 #[gpui::test]
11000 fn test_merge_overlapping_ranges() {
11001 let base_bg = Hsla::white();
11002 let color1 = Hsla {
11003 h: 0.0,
11004 s: 0.5,
11005 l: 0.5,
11006 a: 0.5,
11007 };
11008 let color2 = Hsla {
11009 h: 120.0,
11010 s: 0.5,
11011 l: 0.5,
11012 a: 0.5,
11013 };
11014
11015 let display_point = |col| DisplayPoint::new(DisplayRow(0), col);
11016 let cols = |v: &Vec<(Range<DisplayPoint>, Hsla)>| -> Vec<(u32, u32)> {
11017 v.iter()
11018 .map(|(r, _)| (r.start.column(), r.end.column()))
11019 .collect()
11020 };
11021
11022 // Test overlapping ranges blend colors
11023 let overlapping = vec![
11024 (display_point(5)..display_point(15), color1),
11025 (display_point(10)..display_point(20), color2),
11026 ];
11027 let result = EditorElement::merge_overlapping_ranges(overlapping, base_bg);
11028 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11029
11030 // Test middle segment should have blended color
11031 let blended = Hsla::blend(Hsla::blend(base_bg, color1), color2);
11032 assert_eq!(result[1].1, blended);
11033
11034 // Test adjacent same-color ranges merge
11035 let adjacent_same = vec![
11036 (display_point(5)..display_point(10), color1),
11037 (display_point(10)..display_point(15), color1),
11038 ];
11039 let result = EditorElement::merge_overlapping_ranges(adjacent_same, base_bg);
11040 assert_eq!(cols(&result), vec![(5, 15)]);
11041
11042 // Test contained range splits
11043 let contained = vec![
11044 (display_point(5)..display_point(20), color1),
11045 (display_point(10)..display_point(15), color2),
11046 ];
11047 let result = EditorElement::merge_overlapping_ranges(contained, base_bg);
11048 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11049
11050 // Test multiple overlaps split at every boundary
11051 let color3 = Hsla {
11052 h: 240.0,
11053 s: 0.5,
11054 l: 0.5,
11055 a: 0.5,
11056 };
11057 let complex = vec![
11058 (display_point(5)..display_point(12), color1),
11059 (display_point(8)..display_point(16), color2),
11060 (display_point(10)..display_point(14), color3),
11061 ];
11062 let result = EditorElement::merge_overlapping_ranges(complex, base_bg);
11063 assert_eq!(
11064 cols(&result),
11065 vec![(5, 8), (8, 10), (10, 12), (12, 14), (14, 16)]
11066 );
11067 }
11068
11069 #[gpui::test]
11070 fn test_bg_segments_per_row() {
11071 let base_bg = Hsla::white();
11072
11073 // Case A: selection spans three display rows: row 1 [5, end), full row 2, row 3 [0, 7)
11074 {
11075 let selection_color = Hsla {
11076 h: 200.0,
11077 s: 0.5,
11078 l: 0.5,
11079 a: 0.5,
11080 };
11081 let player_color = PlayerColor {
11082 cursor: selection_color,
11083 background: selection_color,
11084 selection: selection_color,
11085 };
11086
11087 let spanning_selection = SelectionLayout {
11088 head: DisplayPoint::new(DisplayRow(3), 7),
11089 cursor_shape: CursorShape::Bar,
11090 is_newest: true,
11091 is_local: true,
11092 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 7),
11093 active_rows: DisplayRow(1)..DisplayRow(4),
11094 user_name: None,
11095 };
11096
11097 let selections = vec![(player_color, vec![spanning_selection])];
11098 let result = EditorElement::bg_segments_per_row(
11099 DisplayRow(0)..DisplayRow(5),
11100 &selections,
11101 &[],
11102 base_bg,
11103 );
11104
11105 assert_eq!(result.len(), 5);
11106 assert!(result[0].is_empty());
11107 assert_eq!(result[1].len(), 1);
11108 assert_eq!(result[2].len(), 1);
11109 assert_eq!(result[3].len(), 1);
11110 assert!(result[4].is_empty());
11111
11112 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11113 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11114 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11115 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11116 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11117 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11118 assert_eq!(result[3][0].0.start, DisplayPoint::new(DisplayRow(3), 0));
11119 assert_eq!(result[3][0].0.end, DisplayPoint::new(DisplayRow(3), 7));
11120 }
11121
11122 // Case B: selection ends exactly at the start of row 3, excluding row 3
11123 {
11124 let selection_color = Hsla {
11125 h: 120.0,
11126 s: 0.5,
11127 l: 0.5,
11128 a: 0.5,
11129 };
11130 let player_color = PlayerColor {
11131 cursor: selection_color,
11132 background: selection_color,
11133 selection: selection_color,
11134 };
11135
11136 let selection = SelectionLayout {
11137 head: DisplayPoint::new(DisplayRow(2), 0),
11138 cursor_shape: CursorShape::Bar,
11139 is_newest: true,
11140 is_local: true,
11141 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 0),
11142 active_rows: DisplayRow(1)..DisplayRow(3),
11143 user_name: None,
11144 };
11145
11146 let selections = vec![(player_color, vec![selection])];
11147 let result = EditorElement::bg_segments_per_row(
11148 DisplayRow(0)..DisplayRow(4),
11149 &selections,
11150 &[],
11151 base_bg,
11152 );
11153
11154 assert_eq!(result.len(), 4);
11155 assert!(result[0].is_empty());
11156 assert_eq!(result[1].len(), 1);
11157 assert_eq!(result[2].len(), 1);
11158 assert!(result[3].is_empty());
11159
11160 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11161 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11162 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11163 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11164 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11165 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11166 }
11167 }
11168
11169 #[cfg(test)]
11170 fn generate_test_run(len: usize, color: Hsla) -> TextRun {
11171 TextRun {
11172 len,
11173 font: gpui::font(".SystemUIFont"),
11174 color,
11175 background_color: None,
11176 underline: None,
11177 strikethrough: None,
11178 }
11179 }
11180
11181 #[gpui::test]
11182 fn test_split_runs_by_bg_segments(cx: &mut gpui::TestAppContext) {
11183 init_test(cx, |_| {});
11184
11185 let text_color = Hsla {
11186 h: 210.0,
11187 s: 0.1,
11188 l: 0.4,
11189 a: 1.0,
11190 };
11191 let bg1 = Hsla {
11192 h: 30.0,
11193 s: 0.6,
11194 l: 0.8,
11195 a: 1.0,
11196 };
11197 let bg2 = Hsla {
11198 h: 200.0,
11199 s: 0.6,
11200 l: 0.2,
11201 a: 1.0,
11202 };
11203 let min_contrast = 45.0;
11204
11205 // Case A: single run; disjoint segments inside the run
11206 let runs = vec![generate_test_run(20, text_color)];
11207 let segs = vec![
11208 (
11209 DisplayPoint::new(DisplayRow(0), 5)..DisplayPoint::new(DisplayRow(0), 10),
11210 bg1,
11211 ),
11212 (
11213 DisplayPoint::new(DisplayRow(0), 12)..DisplayPoint::new(DisplayRow(0), 16),
11214 bg2,
11215 ),
11216 ];
11217 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast);
11218 // Expected slices: [0,5) [5,10) [10,12) [12,16) [16,20)
11219 assert_eq!(
11220 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11221 vec![5, 5, 2, 4, 4]
11222 );
11223 assert_eq!(out[0].color, text_color);
11224 assert_eq!(
11225 out[1].color,
11226 ensure_minimum_contrast(text_color, bg1, min_contrast)
11227 );
11228 assert_eq!(out[2].color, text_color);
11229 assert_eq!(
11230 out[3].color,
11231 ensure_minimum_contrast(text_color, bg2, min_contrast)
11232 );
11233 assert_eq!(out[4].color, text_color);
11234
11235 // Case B: multiple runs; segment extends to end of line (u32::MAX)
11236 let runs = vec![
11237 generate_test_run(8, text_color),
11238 generate_test_run(7, text_color),
11239 ];
11240 let segs = vec![(
11241 DisplayPoint::new(DisplayRow(0), 6)..DisplayPoint::new(DisplayRow(0), u32::MAX),
11242 bg1,
11243 )];
11244 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast);
11245 // Expected slices across runs: [0,6) [6,8) | [0,7)
11246 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![6, 2, 7]);
11247 let adjusted = ensure_minimum_contrast(text_color, bg1, min_contrast);
11248 assert_eq!(out[0].color, text_color);
11249 assert_eq!(out[1].color, adjusted);
11250 assert_eq!(out[2].color, adjusted);
11251
11252 // Case C: multi-byte characters
11253 // for text: "Hello π δΈη!"
11254 let runs = vec![
11255 generate_test_run(5, text_color), // "Hello"
11256 generate_test_run(6, text_color), // " π "
11257 generate_test_run(6, text_color), // "δΈη"
11258 generate_test_run(1, text_color), // "!"
11259 ];
11260 // selecting "π δΈ"
11261 let segs = vec![(
11262 DisplayPoint::new(DisplayRow(0), 6)..DisplayPoint::new(DisplayRow(0), 14),
11263 bg1,
11264 )];
11265 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast);
11266 // "Hello" | " " | "π " | "δΈ" | "η" | "!"
11267 assert_eq!(
11268 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11269 vec![5, 1, 5, 3, 3, 1]
11270 );
11271 assert_eq!(out[0].color, text_color); // "Hello"
11272 assert_eq!(
11273 out[2].color,
11274 ensure_minimum_contrast(text_color, bg1, min_contrast)
11275 ); // "π "
11276 assert_eq!(
11277 out[3].color,
11278 ensure_minimum_contrast(text_color, bg1, min_contrast)
11279 ); // "δΈ"
11280 assert_eq!(out[4].color, text_color); // "η"
11281 assert_eq!(out[5].color, text_color); // "!"
11282 }
11283}