1use crate::{
2 ActiveDiagnostic, BlockId, CURSORS_VISIBLE_FOR, ChunkRendererContext, ChunkReplacement,
3 CodeActionSource, ColumnarMode, ConflictsOurs, ConflictsOursMarker, ConflictsOuter,
4 ConflictsTheirs, ConflictsTheirsMarker, ContextMenuPlacement, CursorShape, CustomBlockId,
5 DisplayDiffHunk, DisplayPoint, DisplayRow, DocumentHighlightRead, DocumentHighlightWrite,
6 EditDisplayMode, EditPrediction, Editor, EditorMode, EditorSettings, EditorSnapshot,
7 EditorStyle, FILE_HEADER_HEIGHT, FocusedBlock, GutterDimensions, HalfPageDown, HalfPageUp,
8 HandleInput, HoveredCursor, InlayHintRefreshReason, JumpData, LineDown, LineHighlight, LineUp,
9 MAX_LINE_LEN, MINIMAP_FONT_SIZE, MULTI_BUFFER_EXCERPT_HEADER_HEIGHT, OpenExcerpts, PageDown,
10 PageUp, PhantomBreakpointIndicator, Point, RowExt, RowRangeExt, SelectPhase,
11 SelectedTextHighlight, Selection, SelectionDragState, SoftWrap, StickyHeaderExcerpt, ToPoint,
12 ToggleFold, ToggleFoldAll,
13 code_context_menus::{CodeActionsMenu, MENU_ASIDE_MAX_WIDTH, MENU_ASIDE_MIN_WIDTH, MENU_GAP},
14 display_map::{
15 Block, BlockContext, BlockStyle, ChunkRendererId, DisplaySnapshot, EditorMargins,
16 HighlightKey, HighlightedChunk, ToDisplayPoint,
17 },
18 editor_settings::{
19 CurrentLineHighlight, DocumentColorsRenderMode, DoubleClickInMultibuffer, Minimap,
20 MinimapThumb, MinimapThumbBorder, ScrollBeyondLastLine, ScrollbarAxes,
21 ScrollbarDiagnostics, ShowMinimap,
22 },
23 git::blame::{BlameRenderer, GitBlame, GlobalBlameRenderer},
24 hover_popover::{
25 self, HOVER_POPOVER_GAP, MIN_POPOVER_CHARACTER_WIDTH, MIN_POPOVER_LINE_HEIGHT,
26 POPOVER_RIGHT_OFFSET, hover_at,
27 },
28 inlay_hint_settings,
29 items::BufferSearchHighlights,
30 mouse_context_menu::{self, MenuPosition},
31 scroll::{ActiveScrollbarState, ScrollbarThumbState, scroll_amount::ScrollAmount},
32};
33use buffer_diff::{DiffHunkStatus, DiffHunkStatusKind};
34use collections::{BTreeMap, HashMap};
35use file_icons::FileIcons;
36use git::{
37 Oid,
38 blame::{BlameEntry, ParsedCommitMessage},
39 status::FileStatus,
40};
41use gpui::{
42 Action, Along, AnyElement, App, AppContext, AvailableSpace, Axis as ScrollbarAxis, BorderStyle,
43 Bounds, ClickEvent, ClipboardItem, ContentMask, Context, Corner, Corners, CursorStyle,
44 DispatchPhase, Edges, Element, ElementInputHandler, Entity, Focusable as _, FontId,
45 GlobalElementId, Hitbox, HitboxBehavior, Hsla, InteractiveElement, IntoElement, IsZero,
46 KeybindingKeystroke, Length, ModifiersChangedEvent, MouseButton, MouseClickEvent,
47 MouseDownEvent, MouseMoveEvent, MouseUpEvent, PaintQuad, ParentElement, Pixels, ScrollDelta,
48 ScrollHandle, ScrollWheelEvent, ShapedLine, SharedString, Size, StatefulInteractiveElement,
49 Style, Styled, TextRun, TextStyleRefinement, WeakEntity, Window, anchored, deferred, div, fill,
50 linear_color_stop, linear_gradient, outline, point, px, quad, relative, size, solid_background,
51 transparent_black,
52};
53use itertools::Itertools;
54use language::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, scrollbars::ShowScrollbar,
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
1509 #[cfg(debug_assertions)]
1510 Self::layout_debug_ranges(
1511 &mut selections,
1512 start_anchor..end_anchor,
1513 &snapshot.display_snapshot,
1514 cx,
1515 );
1516
1517 (selections, active_rows, newest_selection_head)
1518 }
1519
1520 fn collect_cursors(
1521 &self,
1522 snapshot: &EditorSnapshot,
1523 cx: &mut App,
1524 ) -> Vec<(DisplayPoint, Hsla)> {
1525 let editor = self.editor.read(cx);
1526 let mut cursors = Vec::new();
1527 let mut skip_local = false;
1528 let mut add_cursor = |anchor: Anchor, color| {
1529 cursors.push((anchor.to_display_point(&snapshot.display_snapshot), color));
1530 };
1531 // Remote cursors
1532 if let Some(collaboration_hub) = &editor.collaboration_hub {
1533 for remote_selection in snapshot.remote_selections_in_range(
1534 &(Anchor::min()..Anchor::max()),
1535 collaboration_hub.deref(),
1536 cx,
1537 ) {
1538 add_cursor(
1539 remote_selection.selection.head(),
1540 remote_selection.color.cursor,
1541 );
1542 if Some(remote_selection.collaborator_id) == editor.leader_id {
1543 skip_local = true;
1544 }
1545 }
1546 }
1547 // Local cursors
1548 if !skip_local {
1549 let color = cx.theme().players().local().cursor;
1550 editor.selections.disjoint.iter().for_each(|selection| {
1551 add_cursor(selection.head(), color);
1552 });
1553 if let Some(ref selection) = editor.selections.pending_anchor() {
1554 add_cursor(selection.head(), color);
1555 }
1556 }
1557 cursors
1558 }
1559
1560 fn layout_visible_cursors(
1561 &self,
1562 snapshot: &EditorSnapshot,
1563 selections: &[(PlayerColor, Vec<SelectionLayout>)],
1564 row_block_types: &HashMap<DisplayRow, bool>,
1565 visible_display_row_range: Range<DisplayRow>,
1566 line_layouts: &[LineWithInvisibles],
1567 text_hitbox: &Hitbox,
1568 content_origin: gpui::Point<Pixels>,
1569 scroll_position: gpui::Point<f32>,
1570 scroll_pixel_position: gpui::Point<Pixels>,
1571 line_height: Pixels,
1572 em_width: Pixels,
1573 em_advance: Pixels,
1574 autoscroll_containing_element: bool,
1575 window: &mut Window,
1576 cx: &mut App,
1577 ) -> Vec<CursorLayout> {
1578 let mut autoscroll_bounds = None;
1579 let cursor_layouts = self.editor.update(cx, |editor, cx| {
1580 let mut cursors = Vec::new();
1581
1582 let show_local_cursors = editor.show_local_cursors(window, cx);
1583
1584 for (player_color, selections) in selections {
1585 for selection in selections {
1586 let cursor_position = selection.head;
1587
1588 let in_range = visible_display_row_range.contains(&cursor_position.row());
1589 if (selection.is_local && !show_local_cursors)
1590 || !in_range
1591 || row_block_types.get(&cursor_position.row()) == Some(&true)
1592 {
1593 continue;
1594 }
1595
1596 let cursor_row_layout = &line_layouts
1597 [cursor_position.row().minus(visible_display_row_range.start) as usize];
1598 let cursor_column = cursor_position.column() as usize;
1599
1600 let cursor_character_x = cursor_row_layout.x_for_index(cursor_column);
1601 let mut block_width =
1602 cursor_row_layout.x_for_index(cursor_column + 1) - cursor_character_x;
1603 if block_width == Pixels::ZERO {
1604 block_width = em_advance;
1605 }
1606 let block_text = if let CursorShape::Block = selection.cursor_shape {
1607 snapshot
1608 .grapheme_at(cursor_position)
1609 .or_else(|| {
1610 if snapshot.is_empty() {
1611 snapshot.placeholder_text().and_then(|s| {
1612 s.graphemes(true).next().map(|s| s.to_string().into())
1613 })
1614 } else {
1615 None
1616 }
1617 })
1618 .map(|text| {
1619 let len = text.len();
1620
1621 let font = cursor_row_layout
1622 .font_id_for_index(cursor_column)
1623 .and_then(|cursor_font_id| {
1624 window.text_system().get_font_for_id(cursor_font_id)
1625 })
1626 .unwrap_or(self.style.text.font());
1627
1628 // Invert the text color for the block cursor. Ensure that the text
1629 // color is opaque enough to be visible against the background color.
1630 //
1631 // 0.75 is an arbitrary threshold to determine if the background color is
1632 // opaque enough to use as a text color.
1633 //
1634 // TODO: In the future we should ensure themes have a `text_inverse` color.
1635 let color = if cx.theme().colors().editor_background.a < 0.75 {
1636 match cx.theme().appearance {
1637 Appearance::Dark => Hsla::black(),
1638 Appearance::Light => Hsla::white(),
1639 }
1640 } else {
1641 cx.theme().colors().editor_background
1642 };
1643
1644 window.text_system().shape_line(
1645 text,
1646 cursor_row_layout.font_size,
1647 &[TextRun {
1648 len,
1649 font,
1650 color,
1651 background_color: None,
1652 strikethrough: None,
1653 underline: None,
1654 }],
1655 None,
1656 )
1657 })
1658 } else {
1659 None
1660 };
1661
1662 let x = cursor_character_x - scroll_pixel_position.x;
1663 let y = (cursor_position.row().as_f32()
1664 - scroll_pixel_position.y / line_height)
1665 * line_height;
1666 if selection.is_newest {
1667 editor.pixel_position_of_newest_cursor = Some(point(
1668 text_hitbox.origin.x + x + block_width / 2.,
1669 text_hitbox.origin.y + y + line_height / 2.,
1670 ));
1671
1672 if autoscroll_containing_element {
1673 let top = text_hitbox.origin.y
1674 + (cursor_position.row().as_f32() - scroll_position.y - 3.).max(0.)
1675 * line_height;
1676 let left = text_hitbox.origin.x
1677 + (cursor_position.column() as f32 - scroll_position.x - 3.)
1678 .max(0.)
1679 * em_width;
1680
1681 let bottom = text_hitbox.origin.y
1682 + (cursor_position.row().as_f32() - scroll_position.y + 4.)
1683 * line_height;
1684 let right = text_hitbox.origin.x
1685 + (cursor_position.column() as f32 - scroll_position.x + 4.)
1686 * em_width;
1687
1688 autoscroll_bounds =
1689 Some(Bounds::from_corners(point(left, top), point(right, bottom)))
1690 }
1691 }
1692
1693 let mut cursor = CursorLayout {
1694 color: player_color.cursor,
1695 block_width,
1696 origin: point(x, y),
1697 line_height,
1698 shape: selection.cursor_shape,
1699 block_text,
1700 cursor_name: None,
1701 };
1702 let cursor_name = selection.user_name.clone().map(|name| CursorName {
1703 string: name,
1704 color: self.style.background,
1705 is_top_row: cursor_position.row().0 == 0,
1706 });
1707 cursor.layout(content_origin, cursor_name, window, cx);
1708 cursors.push(cursor);
1709 }
1710 }
1711
1712 cursors
1713 });
1714
1715 if let Some(bounds) = autoscroll_bounds {
1716 window.request_autoscroll(bounds);
1717 }
1718
1719 cursor_layouts
1720 }
1721
1722 fn layout_scrollbars(
1723 &self,
1724 snapshot: &EditorSnapshot,
1725 scrollbar_layout_information: &ScrollbarLayoutInformation,
1726 content_offset: gpui::Point<Pixels>,
1727 scroll_position: gpui::Point<f32>,
1728 non_visible_cursors: bool,
1729 right_margin: Pixels,
1730 editor_width: Pixels,
1731 window: &mut Window,
1732 cx: &mut App,
1733 ) -> Option<EditorScrollbars> {
1734 let show_scrollbars = self.editor.read(cx).show_scrollbars;
1735 if (!show_scrollbars.horizontal && !show_scrollbars.vertical)
1736 || self.style.scrollbar_width.is_zero()
1737 {
1738 return None;
1739 }
1740
1741 // If a drag took place after we started dragging the scrollbar,
1742 // cancel the scrollbar drag.
1743 if cx.has_active_drag() {
1744 self.editor.update(cx, |editor, cx| {
1745 editor.scroll_manager.reset_scrollbar_state(cx)
1746 });
1747 }
1748
1749 let editor_settings = EditorSettings::get_global(cx);
1750 let scrollbar_settings = editor_settings.scrollbar;
1751 let show_scrollbars = match scrollbar_settings.show {
1752 ShowScrollbar::Auto => {
1753 let editor = self.editor.read(cx);
1754 let is_singleton = editor.is_singleton(cx);
1755 // Git
1756 (is_singleton && scrollbar_settings.git_diff && snapshot.buffer_snapshot.has_diff_hunks())
1757 ||
1758 // Buffer Search Results
1759 (is_singleton && scrollbar_settings.search_results && editor.has_background_highlights::<BufferSearchHighlights>())
1760 ||
1761 // Selected Text Occurrences
1762 (is_singleton && scrollbar_settings.selected_text && editor.has_background_highlights::<SelectedTextHighlight>())
1763 ||
1764 // Selected Symbol Occurrences
1765 (is_singleton && scrollbar_settings.selected_symbol && (editor.has_background_highlights::<DocumentHighlightRead>() || editor.has_background_highlights::<DocumentHighlightWrite>()))
1766 ||
1767 // Diagnostics
1768 (is_singleton && scrollbar_settings.diagnostics != ScrollbarDiagnostics::None && snapshot.buffer_snapshot.has_diagnostics())
1769 ||
1770 // Cursors out of sight
1771 non_visible_cursors
1772 ||
1773 // Scrollmanager
1774 editor.scroll_manager.scrollbars_visible()
1775 }
1776 ShowScrollbar::System => self.editor.read(cx).scroll_manager.scrollbars_visible(),
1777 ShowScrollbar::Always => true,
1778 ShowScrollbar::Never => return None,
1779 };
1780
1781 // The horizontal scrollbar is usually slightly offset to align nicely with
1782 // indent guides. However, this offset is not needed if indent guides are
1783 // disabled for the current editor.
1784 let content_offset = self
1785 .editor
1786 .read(cx)
1787 .show_indent_guides
1788 .is_none_or(|should_show| should_show)
1789 .then_some(content_offset)
1790 .unwrap_or_default();
1791
1792 Some(EditorScrollbars::from_scrollbar_axes(
1793 ScrollbarAxes {
1794 horizontal: scrollbar_settings.axes.horizontal
1795 && self.editor.read(cx).show_scrollbars.horizontal,
1796 vertical: scrollbar_settings.axes.vertical
1797 && self.editor.read(cx).show_scrollbars.vertical,
1798 },
1799 scrollbar_layout_information,
1800 content_offset,
1801 scroll_position,
1802 self.style.scrollbar_width,
1803 right_margin,
1804 editor_width,
1805 show_scrollbars,
1806 self.editor.read(cx).scroll_manager.active_scrollbar_state(),
1807 window,
1808 ))
1809 }
1810
1811 fn layout_minimap(
1812 &self,
1813 snapshot: &EditorSnapshot,
1814 minimap_width: Pixels,
1815 scroll_position: gpui::Point<f32>,
1816 scrollbar_layout_information: &ScrollbarLayoutInformation,
1817 scrollbar_layout: Option<&EditorScrollbars>,
1818 window: &mut Window,
1819 cx: &mut App,
1820 ) -> Option<MinimapLayout> {
1821 let minimap_editor = self.editor.read(cx).minimap().cloned()?;
1822
1823 let minimap_settings = EditorSettings::get_global(cx).minimap;
1824
1825 if minimap_settings.on_active_editor() {
1826 let active_editor = self.editor.read(cx).workspace().and_then(|ws| {
1827 ws.read(cx)
1828 .active_pane()
1829 .read(cx)
1830 .active_item()
1831 .and_then(|i| i.act_as::<Editor>(cx))
1832 });
1833 if active_editor.is_some_and(|e| e != self.editor) {
1834 return None;
1835 }
1836 }
1837
1838 if !snapshot.mode.is_full()
1839 || minimap_width.is_zero()
1840 || matches!(
1841 minimap_settings.show,
1842 ShowMinimap::Auto if scrollbar_layout.is_none_or(|layout| !layout.visible)
1843 )
1844 {
1845 return None;
1846 }
1847
1848 const MINIMAP_AXIS: ScrollbarAxis = ScrollbarAxis::Vertical;
1849
1850 let ScrollbarLayoutInformation {
1851 editor_bounds,
1852 scroll_range,
1853 glyph_grid_cell,
1854 } = scrollbar_layout_information;
1855
1856 let line_height = glyph_grid_cell.height;
1857 let scroll_position = scroll_position.along(MINIMAP_AXIS);
1858
1859 let top_right_anchor = scrollbar_layout
1860 .and_then(|layout| layout.vertical.as_ref())
1861 .map(|vertical_scrollbar| vertical_scrollbar.hitbox.origin)
1862 .unwrap_or_else(|| editor_bounds.top_right());
1863
1864 let thumb_state = self
1865 .editor
1866 .read_with(cx, |editor, _| editor.scroll_manager.minimap_thumb_state());
1867
1868 let show_thumb = match minimap_settings.thumb {
1869 MinimapThumb::Always => true,
1870 MinimapThumb::Hover => thumb_state.is_some(),
1871 };
1872
1873 let minimap_bounds = Bounds::from_corner_and_size(
1874 Corner::TopRight,
1875 top_right_anchor,
1876 size(minimap_width, editor_bounds.size.height),
1877 );
1878 let minimap_line_height = self.get_minimap_line_height(
1879 minimap_editor
1880 .read(cx)
1881 .text_style_refinement
1882 .as_ref()
1883 .and_then(|refinement| refinement.font_size)
1884 .unwrap_or(MINIMAP_FONT_SIZE),
1885 window,
1886 cx,
1887 );
1888 let minimap_height = minimap_bounds.size.height;
1889
1890 let visible_editor_lines = editor_bounds.size.height / line_height;
1891 let total_editor_lines = scroll_range.height / line_height;
1892 let minimap_lines = minimap_height / minimap_line_height;
1893
1894 let minimap_scroll_top = MinimapLayout::calculate_minimap_top_offset(
1895 total_editor_lines,
1896 visible_editor_lines,
1897 minimap_lines,
1898 scroll_position,
1899 );
1900
1901 let layout = ScrollbarLayout::for_minimap(
1902 window.insert_hitbox(minimap_bounds, HitboxBehavior::Normal),
1903 visible_editor_lines,
1904 total_editor_lines,
1905 minimap_line_height,
1906 scroll_position,
1907 minimap_scroll_top,
1908 show_thumb,
1909 )
1910 .with_thumb_state(thumb_state);
1911
1912 minimap_editor.update(cx, |editor, cx| {
1913 editor.set_scroll_position(point(0., minimap_scroll_top), window, cx)
1914 });
1915
1916 // Required for the drop shadow to be visible
1917 const PADDING_OFFSET: Pixels = px(4.);
1918
1919 let mut minimap = div()
1920 .size_full()
1921 .shadow_xs()
1922 .px(PADDING_OFFSET)
1923 .child(minimap_editor)
1924 .into_any_element();
1925
1926 let extended_bounds = minimap_bounds.extend(Edges {
1927 right: PADDING_OFFSET,
1928 left: PADDING_OFFSET,
1929 ..Default::default()
1930 });
1931 minimap.layout_as_root(extended_bounds.size.into(), window, cx);
1932 window.with_absolute_element_offset(extended_bounds.origin, |window| {
1933 minimap.prepaint(window, cx)
1934 });
1935
1936 Some(MinimapLayout {
1937 minimap,
1938 thumb_layout: layout,
1939 thumb_border_style: minimap_settings.thumb_border,
1940 minimap_line_height,
1941 minimap_scroll_top,
1942 max_scroll_top: total_editor_lines,
1943 })
1944 }
1945
1946 fn get_minimap_line_height(
1947 &self,
1948 font_size: AbsoluteLength,
1949 window: &mut Window,
1950 cx: &mut App,
1951 ) -> Pixels {
1952 let rem_size = self.rem_size(cx).unwrap_or(window.rem_size());
1953 let mut text_style = self.style.text.clone();
1954 text_style.font_size = font_size;
1955 text_style.line_height_in_pixels(rem_size)
1956 }
1957
1958 fn get_minimap_width(
1959 &self,
1960 minimap_settings: &Minimap,
1961 scrollbars_shown: bool,
1962 text_width: Pixels,
1963 em_width: Pixels,
1964 font_size: Pixels,
1965 rem_size: Pixels,
1966 cx: &App,
1967 ) -> Option<Pixels> {
1968 if minimap_settings.show == ShowMinimap::Auto && !scrollbars_shown {
1969 return None;
1970 }
1971
1972 let minimap_font_size = self.editor.read_with(cx, |editor, cx| {
1973 editor.minimap().map(|minimap_editor| {
1974 minimap_editor
1975 .read(cx)
1976 .text_style_refinement
1977 .as_ref()
1978 .and_then(|refinement| refinement.font_size)
1979 .unwrap_or(MINIMAP_FONT_SIZE)
1980 })
1981 })?;
1982
1983 let minimap_em_width = em_width * (minimap_font_size.to_pixels(rem_size) / font_size);
1984
1985 let minimap_width = (text_width * MinimapLayout::MINIMAP_WIDTH_PCT)
1986 .min(minimap_em_width * minimap_settings.max_width_columns.get() as f32);
1987
1988 (minimap_width >= minimap_em_width * MinimapLayout::MINIMAP_MIN_WIDTH_COLUMNS)
1989 .then_some(minimap_width)
1990 }
1991
1992 fn prepaint_crease_toggles(
1993 &self,
1994 crease_toggles: &mut [Option<AnyElement>],
1995 line_height: Pixels,
1996 gutter_dimensions: &GutterDimensions,
1997 gutter_settings: crate::editor_settings::Gutter,
1998 scroll_pixel_position: gpui::Point<Pixels>,
1999 gutter_hitbox: &Hitbox,
2000 window: &mut Window,
2001 cx: &mut App,
2002 ) {
2003 for (ix, crease_toggle) in crease_toggles.iter_mut().enumerate() {
2004 if let Some(crease_toggle) = crease_toggle {
2005 debug_assert!(gutter_settings.folds);
2006 let available_space = size(
2007 AvailableSpace::MinContent,
2008 AvailableSpace::Definite(line_height * 0.55),
2009 );
2010 let crease_toggle_size = crease_toggle.layout_as_root(available_space, window, cx);
2011
2012 let position = point(
2013 gutter_dimensions.width - gutter_dimensions.right_padding,
2014 ix as f32 * line_height - (scroll_pixel_position.y % line_height),
2015 );
2016 let centering_offset = point(
2017 (gutter_dimensions.fold_area_width() - crease_toggle_size.width) / 2.,
2018 (line_height - crease_toggle_size.height) / 2.,
2019 );
2020 let origin = gutter_hitbox.origin + position + centering_offset;
2021 crease_toggle.prepaint_as_root(origin, available_space, window, cx);
2022 }
2023 }
2024 }
2025
2026 fn prepaint_expand_toggles(
2027 &self,
2028 expand_toggles: &mut [Option<(AnyElement, gpui::Point<Pixels>)>],
2029 window: &mut Window,
2030 cx: &mut App,
2031 ) {
2032 for (expand_toggle, origin) in expand_toggles.iter_mut().flatten() {
2033 let available_space = size(AvailableSpace::MinContent, AvailableSpace::MinContent);
2034 expand_toggle.layout_as_root(available_space, window, cx);
2035 expand_toggle.prepaint_as_root(*origin, available_space, window, cx);
2036 }
2037 }
2038
2039 fn prepaint_crease_trailers(
2040 &self,
2041 trailers: Vec<Option<AnyElement>>,
2042 lines: &[LineWithInvisibles],
2043 line_height: Pixels,
2044 content_origin: gpui::Point<Pixels>,
2045 scroll_pixel_position: gpui::Point<Pixels>,
2046 em_width: Pixels,
2047 window: &mut Window,
2048 cx: &mut App,
2049 ) -> Vec<Option<CreaseTrailerLayout>> {
2050 trailers
2051 .into_iter()
2052 .enumerate()
2053 .map(|(ix, element)| {
2054 let mut element = element?;
2055 let available_space = size(
2056 AvailableSpace::MinContent,
2057 AvailableSpace::Definite(line_height),
2058 );
2059 let size = element.layout_as_root(available_space, window, cx);
2060
2061 let line = &lines[ix];
2062 let padding = if line.width == Pixels::ZERO {
2063 Pixels::ZERO
2064 } else {
2065 4. * em_width
2066 };
2067 let position = point(
2068 scroll_pixel_position.x + line.width + padding,
2069 ix as f32 * line_height - (scroll_pixel_position.y % line_height),
2070 );
2071 let centering_offset = point(px(0.), (line_height - size.height) / 2.);
2072 let origin = content_origin + position + centering_offset;
2073 element.prepaint_as_root(origin, available_space, window, cx);
2074 Some(CreaseTrailerLayout {
2075 element,
2076 bounds: Bounds::new(origin, size),
2077 })
2078 })
2079 .collect()
2080 }
2081
2082 // Folds contained in a hunk are ignored apart from shrinking visual size
2083 // If a fold contains any hunks then that fold line is marked as modified
2084 fn layout_gutter_diff_hunks(
2085 &self,
2086 line_height: Pixels,
2087 gutter_hitbox: &Hitbox,
2088 display_rows: Range<DisplayRow>,
2089 snapshot: &EditorSnapshot,
2090 window: &mut Window,
2091 cx: &mut App,
2092 ) -> Vec<(DisplayDiffHunk, Option<Hitbox>)> {
2093 let folded_buffers = self.editor.read(cx).folded_buffers(cx);
2094 let mut display_hunks = snapshot
2095 .display_diff_hunks_for_rows(display_rows, folded_buffers)
2096 .map(|hunk| (hunk, None))
2097 .collect::<Vec<_>>();
2098 let git_gutter_setting = ProjectSettings::get_global(cx)
2099 .git
2100 .git_gutter
2101 .unwrap_or_default();
2102 if let GitGutterSetting::TrackedFiles = git_gutter_setting {
2103 for (hunk, hitbox) in &mut display_hunks {
2104 if matches!(hunk, DisplayDiffHunk::Unfolded { .. }) {
2105 let hunk_bounds =
2106 Self::diff_hunk_bounds(snapshot, line_height, gutter_hitbox.bounds, hunk);
2107 *hitbox = Some(window.insert_hitbox(hunk_bounds, HitboxBehavior::BlockMouse));
2108 }
2109 }
2110 }
2111
2112 display_hunks
2113 }
2114
2115 fn layout_inline_diagnostics(
2116 &self,
2117 line_layouts: &[LineWithInvisibles],
2118 crease_trailers: &[Option<CreaseTrailerLayout>],
2119 row_block_types: &HashMap<DisplayRow, bool>,
2120 content_origin: gpui::Point<Pixels>,
2121 scroll_pixel_position: gpui::Point<Pixels>,
2122 edit_prediction_popover_origin: Option<gpui::Point<Pixels>>,
2123 start_row: DisplayRow,
2124 end_row: DisplayRow,
2125 line_height: Pixels,
2126 em_width: Pixels,
2127 style: &EditorStyle,
2128 window: &mut Window,
2129 cx: &mut App,
2130 ) -> HashMap<DisplayRow, AnyElement> {
2131 let max_severity = match self
2132 .editor
2133 .read(cx)
2134 .inline_diagnostics_enabled()
2135 .then(|| {
2136 ProjectSettings::get_global(cx)
2137 .diagnostics
2138 .inline
2139 .max_severity
2140 .unwrap_or_else(|| self.editor.read(cx).diagnostics_max_severity)
2141 .into_lsp()
2142 })
2143 .flatten()
2144 {
2145 Some(max_severity) => max_severity,
2146 None => return HashMap::default(),
2147 };
2148
2149 let active_diagnostics_group =
2150 if let ActiveDiagnostic::Group(group) = &self.editor.read(cx).active_diagnostics {
2151 Some(group.group_id)
2152 } else {
2153 None
2154 };
2155
2156 let diagnostics_by_rows = self.editor.update(cx, |editor, cx| {
2157 let snapshot = editor.snapshot(window, cx);
2158 editor
2159 .inline_diagnostics
2160 .iter()
2161 .filter(|(_, diagnostic)| diagnostic.severity <= max_severity)
2162 .filter(|(_, diagnostic)| match active_diagnostics_group {
2163 Some(active_diagnostics_group) => {
2164 // Active diagnostics are all shown in the editor already, no need to display them inline
2165 diagnostic.group_id != active_diagnostics_group
2166 }
2167 None => true,
2168 })
2169 .map(|(point, diag)| (point.to_display_point(&snapshot), diag.clone()))
2170 .skip_while(|(point, _)| point.row() < start_row)
2171 .take_while(|(point, _)| point.row() < end_row)
2172 .filter(|(point, _)| !row_block_types.contains_key(&point.row()))
2173 .fold(HashMap::default(), |mut acc, (point, diagnostic)| {
2174 acc.entry(point.row())
2175 .or_insert_with(Vec::new)
2176 .push(diagnostic);
2177 acc
2178 })
2179 });
2180
2181 if diagnostics_by_rows.is_empty() {
2182 return HashMap::default();
2183 }
2184
2185 let severity_to_color = |sev: &lsp::DiagnosticSeverity| match sev {
2186 &lsp::DiagnosticSeverity::ERROR => Color::Error,
2187 &lsp::DiagnosticSeverity::WARNING => Color::Warning,
2188 &lsp::DiagnosticSeverity::INFORMATION => Color::Info,
2189 &lsp::DiagnosticSeverity::HINT => Color::Hint,
2190 _ => Color::Error,
2191 };
2192
2193 let padding = ProjectSettings::get_global(cx).diagnostics.inline.padding as f32 * em_width;
2194 let min_x = self.column_pixels(
2195 ProjectSettings::get_global(cx)
2196 .diagnostics
2197 .inline
2198 .min_column as usize,
2199 window,
2200 );
2201
2202 let mut elements = HashMap::default();
2203 for (row, mut diagnostics) in diagnostics_by_rows {
2204 diagnostics.sort_by_key(|diagnostic| {
2205 (
2206 diagnostic.severity,
2207 std::cmp::Reverse(diagnostic.is_primary),
2208 diagnostic.start.row,
2209 diagnostic.start.column,
2210 )
2211 });
2212
2213 let Some(diagnostic_to_render) = diagnostics
2214 .iter()
2215 .find(|diagnostic| diagnostic.is_primary)
2216 .or_else(|| diagnostics.first())
2217 else {
2218 continue;
2219 };
2220
2221 let pos_y = content_origin.y
2222 + line_height * (row.0 as f32 - scroll_pixel_position.y / line_height);
2223
2224 let window_ix = row.0.saturating_sub(start_row.0) as usize;
2225 let pos_x = {
2226 let crease_trailer_layout = &crease_trailers[window_ix];
2227 let line_layout = &line_layouts[window_ix];
2228
2229 let line_end = if let Some(crease_trailer) = crease_trailer_layout {
2230 crease_trailer.bounds.right()
2231 } else {
2232 content_origin.x - scroll_pixel_position.x + line_layout.width
2233 };
2234
2235 let padded_line = line_end + padding;
2236 let min_start = content_origin.x - scroll_pixel_position.x + min_x;
2237
2238 cmp::max(padded_line, min_start)
2239 };
2240
2241 let behind_edit_prediction_popover = edit_prediction_popover_origin
2242 .as_ref()
2243 .is_some_and(|edit_prediction_popover_origin| {
2244 (pos_y..pos_y + line_height).contains(&edit_prediction_popover_origin.y)
2245 });
2246 let opacity = if behind_edit_prediction_popover {
2247 0.5
2248 } else {
2249 1.0
2250 };
2251
2252 let mut element = h_flex()
2253 .id(("diagnostic", row.0))
2254 .h(line_height)
2255 .w_full()
2256 .px_1()
2257 .rounded_xs()
2258 .opacity(opacity)
2259 .bg(severity_to_color(&diagnostic_to_render.severity)
2260 .color(cx)
2261 .opacity(0.05))
2262 .text_color(severity_to_color(&diagnostic_to_render.severity).color(cx))
2263 .text_sm()
2264 .font_family(style.text.font().family)
2265 .child(diagnostic_to_render.message.clone())
2266 .into_any();
2267
2268 element.prepaint_as_root(point(pos_x, pos_y), AvailableSpace::min_size(), window, cx);
2269
2270 elements.insert(row, element);
2271 }
2272
2273 elements
2274 }
2275
2276 fn layout_inline_code_actions(
2277 &self,
2278 display_point: DisplayPoint,
2279 content_origin: gpui::Point<Pixels>,
2280 scroll_pixel_position: gpui::Point<Pixels>,
2281 line_height: Pixels,
2282 snapshot: &EditorSnapshot,
2283 window: &mut Window,
2284 cx: &mut App,
2285 ) -> Option<AnyElement> {
2286 if !snapshot
2287 .show_code_actions
2288 .unwrap_or(EditorSettings::get_global(cx).inline_code_actions)
2289 {
2290 return None;
2291 }
2292
2293 let icon_size = ui::IconSize::XSmall;
2294 let mut button = self.editor.update(cx, |editor, cx| {
2295 editor.available_code_actions.as_ref()?;
2296 let active = editor
2297 .context_menu
2298 .borrow()
2299 .as_ref()
2300 .and_then(|menu| {
2301 if let crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2302 deployed_from,
2303 ..
2304 }) = menu
2305 {
2306 deployed_from.as_ref()
2307 } else {
2308 None
2309 }
2310 })
2311 .is_some_and(|source| matches!(source, CodeActionSource::Indicator(..)));
2312 Some(editor.render_inline_code_actions(icon_size, display_point.row(), active, cx))
2313 })?;
2314
2315 let buffer_point = display_point.to_point(&snapshot.display_snapshot);
2316
2317 // do not show code action for folded line
2318 if snapshot.is_line_folded(MultiBufferRow(buffer_point.row)) {
2319 return None;
2320 }
2321
2322 // do not show code action for blank line with cursor
2323 let line_indent = snapshot
2324 .display_snapshot
2325 .buffer_snapshot
2326 .line_indent_for_row(MultiBufferRow(buffer_point.row));
2327 if line_indent.is_line_blank() {
2328 return None;
2329 }
2330
2331 const INLINE_SLOT_CHAR_LIMIT: u32 = 4;
2332 const MAX_ALTERNATE_DISTANCE: u32 = 8;
2333
2334 let excerpt_id = snapshot
2335 .display_snapshot
2336 .buffer_snapshot
2337 .excerpt_containing(buffer_point..buffer_point)
2338 .map(|excerpt| excerpt.id());
2339
2340 let is_valid_row = |row_candidate: u32| -> bool {
2341 // move to other row if folded row
2342 if snapshot.is_line_folded(MultiBufferRow(row_candidate)) {
2343 return false;
2344 }
2345 if buffer_point.row == row_candidate {
2346 // move to other row if cursor is in slot
2347 if buffer_point.column < INLINE_SLOT_CHAR_LIMIT {
2348 return false;
2349 }
2350 } else {
2351 let candidate_point = MultiBufferPoint {
2352 row: row_candidate,
2353 column: 0,
2354 };
2355 let candidate_excerpt_id = snapshot
2356 .display_snapshot
2357 .buffer_snapshot
2358 .excerpt_containing(candidate_point..candidate_point)
2359 .map(|excerpt| excerpt.id());
2360 // move to other row if different excerpt
2361 if excerpt_id != candidate_excerpt_id {
2362 return false;
2363 }
2364 }
2365 let line_indent = snapshot
2366 .display_snapshot
2367 .buffer_snapshot
2368 .line_indent_for_row(MultiBufferRow(row_candidate));
2369 // use this row if it's blank
2370 if line_indent.is_line_blank() {
2371 true
2372 } else {
2373 // use this row if code starts after slot
2374 let indent_size = snapshot
2375 .display_snapshot
2376 .buffer_snapshot
2377 .indent_size_for_line(MultiBufferRow(row_candidate));
2378 indent_size.len >= INLINE_SLOT_CHAR_LIMIT
2379 }
2380 };
2381
2382 let new_buffer_row = if is_valid_row(buffer_point.row) {
2383 Some(buffer_point.row)
2384 } else {
2385 let max_row = snapshot.display_snapshot.buffer_snapshot.max_point().row;
2386 (1..=MAX_ALTERNATE_DISTANCE).find_map(|offset| {
2387 let row_above = buffer_point.row.saturating_sub(offset);
2388 let row_below = buffer_point.row + offset;
2389 if row_above != buffer_point.row && is_valid_row(row_above) {
2390 Some(row_above)
2391 } else if row_below <= max_row && is_valid_row(row_below) {
2392 Some(row_below)
2393 } else {
2394 None
2395 }
2396 })
2397 }?;
2398
2399 let new_display_row = snapshot
2400 .display_snapshot
2401 .point_to_display_point(
2402 Point {
2403 row: new_buffer_row,
2404 column: buffer_point.column,
2405 },
2406 text::Bias::Left,
2407 )
2408 .row();
2409
2410 let start_y = content_origin.y
2411 + ((new_display_row.as_f32() - (scroll_pixel_position.y / line_height)) * line_height)
2412 + (line_height / 2.0)
2413 - (icon_size.square(window, cx) / 2.);
2414 let start_x = content_origin.x - scroll_pixel_position.x + (window.rem_size() * 0.1);
2415
2416 let absolute_offset = gpui::point(start_x, start_y);
2417 button.layout_as_root(gpui::AvailableSpace::min_size(), window, cx);
2418 button.prepaint_as_root(
2419 absolute_offset,
2420 gpui::AvailableSpace::min_size(),
2421 window,
2422 cx,
2423 );
2424 Some(button)
2425 }
2426
2427 fn layout_inline_blame(
2428 &self,
2429 display_row: DisplayRow,
2430 row_info: &RowInfo,
2431 line_layout: &LineWithInvisibles,
2432 crease_trailer: Option<&CreaseTrailerLayout>,
2433 em_width: Pixels,
2434 content_origin: gpui::Point<Pixels>,
2435 scroll_pixel_position: gpui::Point<Pixels>,
2436 line_height: Pixels,
2437 text_hitbox: &Hitbox,
2438 window: &mut Window,
2439 cx: &mut App,
2440 ) -> Option<InlineBlameLayout> {
2441 if !self
2442 .editor
2443 .update(cx, |editor, cx| editor.render_git_blame_inline(window, cx))
2444 {
2445 return None;
2446 }
2447
2448 let editor = self.editor.read(cx);
2449 let blame = editor.blame.clone()?;
2450 let padding = {
2451 const INLINE_ACCEPT_SUGGESTION_EM_WIDTHS: f32 = 14.;
2452
2453 let mut padding = ProjectSettings::get_global(cx)
2454 .git
2455 .inline_blame
2456 .unwrap_or_default()
2457 .padding as f32;
2458
2459 if let Some(edit_prediction) = editor.active_edit_prediction.as_ref()
2460 && let EditPrediction::Edit {
2461 display_mode: EditDisplayMode::TabAccept,
2462 ..
2463 } = &edit_prediction.completion
2464 {
2465 padding += INLINE_ACCEPT_SUGGESTION_EM_WIDTHS
2466 }
2467
2468 padding * em_width
2469 };
2470
2471 let (buffer_id, entry) = blame
2472 .update(cx, |blame, cx| {
2473 blame.blame_for_rows(&[*row_info], cx).next()
2474 })
2475 .flatten()?;
2476
2477 let mut element = render_inline_blame_entry(entry.clone(), &self.style, cx)?;
2478
2479 let start_y = content_origin.y
2480 + line_height * (display_row.as_f32() - scroll_pixel_position.y / line_height);
2481
2482 let start_x = {
2483 let line_end = if let Some(crease_trailer) = crease_trailer {
2484 crease_trailer.bounds.right()
2485 } else {
2486 content_origin.x - scroll_pixel_position.x + line_layout.width
2487 };
2488
2489 let padded_line_end = line_end + padding;
2490
2491 let min_column_in_pixels = ProjectSettings::get_global(cx)
2492 .git
2493 .inline_blame
2494 .map(|settings| settings.min_column)
2495 .map(|col| self.column_pixels(col as usize, window))
2496 .unwrap_or(px(0.));
2497 let min_start = content_origin.x - scroll_pixel_position.x + min_column_in_pixels;
2498
2499 cmp::max(padded_line_end, min_start)
2500 };
2501
2502 let absolute_offset = point(start_x, start_y);
2503 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2504 let bounds = Bounds::new(absolute_offset, size);
2505
2506 self.layout_blame_entry_popover(
2507 entry.clone(),
2508 blame,
2509 line_height,
2510 text_hitbox,
2511 row_info.buffer_id?,
2512 window,
2513 cx,
2514 );
2515
2516 element.prepaint_as_root(absolute_offset, AvailableSpace::min_size(), window, cx);
2517
2518 Some(InlineBlameLayout {
2519 element,
2520 bounds,
2521 buffer_id,
2522 entry,
2523 })
2524 }
2525
2526 fn layout_blame_entry_popover(
2527 &self,
2528 blame_entry: BlameEntry,
2529 blame: Entity<GitBlame>,
2530 line_height: Pixels,
2531 text_hitbox: &Hitbox,
2532 buffer: BufferId,
2533 window: &mut Window,
2534 cx: &mut App,
2535 ) {
2536 let Some((popover_state, target_point)) = self.editor.read_with(cx, |editor, _| {
2537 editor
2538 .inline_blame_popover
2539 .as_ref()
2540 .map(|state| (state.popover_state.clone(), state.position))
2541 }) else {
2542 return;
2543 };
2544
2545 let workspace = self
2546 .editor
2547 .read_with(cx, |editor, _| editor.workspace().map(|w| w.downgrade()));
2548
2549 let maybe_element = workspace.and_then(|workspace| {
2550 render_blame_entry_popover(
2551 blame_entry,
2552 popover_state.scroll_handle,
2553 popover_state.commit_message,
2554 popover_state.markdown,
2555 workspace,
2556 &blame,
2557 buffer,
2558 window,
2559 cx,
2560 )
2561 });
2562
2563 if let Some(mut element) = maybe_element {
2564 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2565 let overall_height = size.height + HOVER_POPOVER_GAP;
2566 let popover_origin = if target_point.y > overall_height {
2567 point(target_point.x, target_point.y - size.height)
2568 } else {
2569 point(
2570 target_point.x,
2571 target_point.y + line_height + HOVER_POPOVER_GAP,
2572 )
2573 };
2574
2575 let horizontal_offset = (text_hitbox.top_right().x
2576 - POPOVER_RIGHT_OFFSET
2577 - (popover_origin.x + size.width))
2578 .min(Pixels::ZERO);
2579
2580 let origin = point(popover_origin.x + horizontal_offset, popover_origin.y);
2581 let popover_bounds = Bounds::new(origin, size);
2582
2583 self.editor.update(cx, |editor, _| {
2584 if let Some(state) = &mut editor.inline_blame_popover {
2585 state.popover_bounds = Some(popover_bounds);
2586 }
2587 });
2588
2589 window.defer_draw(element, origin, 2);
2590 }
2591 }
2592
2593 fn layout_blame_entries(
2594 &self,
2595 buffer_rows: &[RowInfo],
2596 em_width: Pixels,
2597 scroll_position: gpui::Point<f32>,
2598 line_height: Pixels,
2599 gutter_hitbox: &Hitbox,
2600 max_width: Option<Pixels>,
2601 window: &mut Window,
2602 cx: &mut App,
2603 ) -> Option<Vec<AnyElement>> {
2604 if !self
2605 .editor
2606 .update(cx, |editor, cx| editor.render_git_blame_gutter(cx))
2607 {
2608 return None;
2609 }
2610
2611 let blame = self.editor.read(cx).blame.clone()?;
2612 let workspace = self.editor.read(cx).workspace()?;
2613 let blamed_rows: Vec<_> = blame.update(cx, |blame, cx| {
2614 blame.blame_for_rows(buffer_rows, cx).collect()
2615 });
2616
2617 let width = if let Some(max_width) = max_width {
2618 AvailableSpace::Definite(max_width)
2619 } else {
2620 AvailableSpace::MaxContent
2621 };
2622 let scroll_top = scroll_position.y * line_height;
2623 let start_x = em_width;
2624
2625 let mut last_used_color: Option<(PlayerColor, Oid)> = None;
2626 let blame_renderer = cx.global::<GlobalBlameRenderer>().0.clone();
2627
2628 let shaped_lines = blamed_rows
2629 .into_iter()
2630 .enumerate()
2631 .flat_map(|(ix, blame_entry)| {
2632 let (buffer_id, blame_entry) = blame_entry?;
2633 let mut element = render_blame_entry(
2634 ix,
2635 &blame,
2636 blame_entry,
2637 &self.style,
2638 &mut last_used_color,
2639 self.editor.clone(),
2640 workspace.clone(),
2641 buffer_id,
2642 blame_renderer.clone(),
2643 cx,
2644 )?;
2645
2646 let start_y = ix as f32 * line_height - (scroll_top % line_height);
2647 let absolute_offset = gutter_hitbox.origin + point(start_x, start_y);
2648
2649 element.prepaint_as_root(
2650 absolute_offset,
2651 size(width, AvailableSpace::MinContent),
2652 window,
2653 cx,
2654 );
2655
2656 Some(element)
2657 })
2658 .collect();
2659
2660 Some(shaped_lines)
2661 }
2662
2663 fn layout_indent_guides(
2664 &self,
2665 content_origin: gpui::Point<Pixels>,
2666 text_origin: gpui::Point<Pixels>,
2667 visible_buffer_range: Range<MultiBufferRow>,
2668 scroll_pixel_position: gpui::Point<Pixels>,
2669 line_height: Pixels,
2670 snapshot: &DisplaySnapshot,
2671 window: &mut Window,
2672 cx: &mut App,
2673 ) -> Option<Vec<IndentGuideLayout>> {
2674 let indent_guides = self.editor.update(cx, |editor, cx| {
2675 editor.indent_guides(visible_buffer_range, snapshot, cx)
2676 })?;
2677
2678 let active_indent_guide_indices = self.editor.update(cx, |editor, cx| {
2679 editor
2680 .find_active_indent_guide_indices(&indent_guides, snapshot, window, cx)
2681 .unwrap_or_default()
2682 });
2683
2684 Some(
2685 indent_guides
2686 .into_iter()
2687 .enumerate()
2688 .filter_map(|(i, indent_guide)| {
2689 let single_indent_width =
2690 self.column_pixels(indent_guide.tab_size as usize, window);
2691 let total_width = single_indent_width * indent_guide.depth as f32;
2692 let start_x = content_origin.x + total_width - scroll_pixel_position.x;
2693 if start_x >= text_origin.x {
2694 let (offset_y, length) = Self::calculate_indent_guide_bounds(
2695 indent_guide.start_row..indent_guide.end_row,
2696 line_height,
2697 snapshot,
2698 );
2699
2700 let start_y = content_origin.y + offset_y - scroll_pixel_position.y;
2701
2702 Some(IndentGuideLayout {
2703 origin: point(start_x, start_y),
2704 length,
2705 single_indent_width,
2706 depth: indent_guide.depth,
2707 active: active_indent_guide_indices.contains(&i),
2708 settings: indent_guide.settings,
2709 })
2710 } else {
2711 None
2712 }
2713 })
2714 .collect(),
2715 )
2716 }
2717
2718 fn layout_wrap_guides(
2719 &self,
2720 em_advance: Pixels,
2721 scroll_position: gpui::Point<f32>,
2722 content_origin: gpui::Point<Pixels>,
2723 scrollbar_layout: Option<&EditorScrollbars>,
2724 vertical_scrollbar_width: Pixels,
2725 hitbox: &Hitbox,
2726 window: &Window,
2727 cx: &App,
2728 ) -> SmallVec<[(Pixels, bool); 2]> {
2729 let scroll_left = scroll_position.x * em_advance;
2730 let content_origin = content_origin.x;
2731 let horizontal_offset = content_origin - scroll_left;
2732 let vertical_scrollbar_width = scrollbar_layout
2733 .and_then(|layout| layout.visible.then_some(vertical_scrollbar_width))
2734 .unwrap_or_default();
2735
2736 self.editor
2737 .read(cx)
2738 .wrap_guides(cx)
2739 .into_iter()
2740 .flat_map(|(guide, active)| {
2741 let wrap_position = self.column_pixels(guide, window);
2742 let wrap_guide_x = wrap_position + horizontal_offset;
2743 let display_wrap_guide = wrap_guide_x >= content_origin
2744 && wrap_guide_x <= hitbox.bounds.right() - vertical_scrollbar_width;
2745
2746 display_wrap_guide.then_some((wrap_guide_x, active))
2747 })
2748 .collect()
2749 }
2750
2751 fn calculate_indent_guide_bounds(
2752 row_range: Range<MultiBufferRow>,
2753 line_height: Pixels,
2754 snapshot: &DisplaySnapshot,
2755 ) -> (gpui::Pixels, gpui::Pixels) {
2756 let start_point = Point::new(row_range.start.0, 0);
2757 let end_point = Point::new(row_range.end.0, 0);
2758
2759 let row_range = start_point.to_display_point(snapshot).row()
2760 ..end_point.to_display_point(snapshot).row();
2761
2762 let mut prev_line = start_point;
2763 prev_line.row = prev_line.row.saturating_sub(1);
2764 let prev_line = prev_line.to_display_point(snapshot).row();
2765
2766 let mut cons_line = end_point;
2767 cons_line.row += 1;
2768 let cons_line = cons_line.to_display_point(snapshot).row();
2769
2770 let mut offset_y = row_range.start.0 as f32 * line_height;
2771 let mut length = (cons_line.0.saturating_sub(row_range.start.0)) as f32 * line_height;
2772
2773 // If we are at the end of the buffer, ensure that the indent guide extends to the end of the line.
2774 if row_range.end == cons_line {
2775 length += line_height;
2776 }
2777
2778 // If there is a block (e.g. diagnostic) in between the start of the indent guide and the line above,
2779 // we want to extend the indent guide to the start of the block.
2780 let mut block_height = 0;
2781 let mut block_offset = 0;
2782 let mut found_excerpt_header = false;
2783 for (_, block) in snapshot.blocks_in_range(prev_line..row_range.start) {
2784 if matches!(
2785 block,
2786 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
2787 ) {
2788 found_excerpt_header = true;
2789 break;
2790 }
2791 block_offset += block.height();
2792 block_height += block.height();
2793 }
2794 if !found_excerpt_header {
2795 offset_y -= block_offset as f32 * line_height;
2796 length += block_height as f32 * line_height;
2797 }
2798
2799 // If there is a block (e.g. diagnostic) at the end of an multibuffer excerpt,
2800 // we want to ensure that the indent guide stops before the excerpt header.
2801 let mut block_height = 0;
2802 let mut found_excerpt_header = false;
2803 for (_, block) in snapshot.blocks_in_range(row_range.end..cons_line) {
2804 if matches!(
2805 block,
2806 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
2807 ) {
2808 found_excerpt_header = true;
2809 }
2810 block_height += block.height();
2811 }
2812 if found_excerpt_header {
2813 length -= block_height as f32 * line_height;
2814 }
2815
2816 (offset_y, length)
2817 }
2818
2819 fn layout_breakpoints(
2820 &self,
2821 line_height: Pixels,
2822 range: Range<DisplayRow>,
2823 scroll_pixel_position: gpui::Point<Pixels>,
2824 gutter_dimensions: &GutterDimensions,
2825 gutter_hitbox: &Hitbox,
2826 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2827 snapshot: &EditorSnapshot,
2828 breakpoints: HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2829 row_infos: &[RowInfo],
2830 window: &mut Window,
2831 cx: &mut App,
2832 ) -> Vec<AnyElement> {
2833 self.editor.update(cx, |editor, cx| {
2834 breakpoints
2835 .into_iter()
2836 .filter_map(|(display_row, (text_anchor, bp, state))| {
2837 if row_infos
2838 .get((display_row.0.saturating_sub(range.start.0)) as usize)
2839 .is_some_and(|row_info| {
2840 row_info.expand_info.is_some()
2841 || row_info
2842 .diff_status
2843 .is_some_and(|status| status.is_deleted())
2844 })
2845 {
2846 return None;
2847 }
2848
2849 if range.start > display_row || range.end < display_row {
2850 return None;
2851 }
2852
2853 let row =
2854 MultiBufferRow(DisplayPoint::new(display_row, 0).to_point(snapshot).row);
2855 if snapshot.is_line_folded(row) {
2856 return None;
2857 }
2858
2859 let button = editor.render_breakpoint(text_anchor, display_row, &bp, state, cx);
2860
2861 let button = prepaint_gutter_button(
2862 button,
2863 display_row,
2864 line_height,
2865 gutter_dimensions,
2866 scroll_pixel_position,
2867 gutter_hitbox,
2868 display_hunks,
2869 window,
2870 cx,
2871 );
2872 Some(button)
2873 })
2874 .collect_vec()
2875 })
2876 }
2877
2878 #[allow(clippy::too_many_arguments)]
2879 fn layout_run_indicators(
2880 &self,
2881 line_height: Pixels,
2882 range: Range<DisplayRow>,
2883 row_infos: &[RowInfo],
2884 scroll_pixel_position: gpui::Point<Pixels>,
2885 gutter_dimensions: &GutterDimensions,
2886 gutter_hitbox: &Hitbox,
2887 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2888 snapshot: &EditorSnapshot,
2889 breakpoints: &mut HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2890 window: &mut Window,
2891 cx: &mut App,
2892 ) -> Vec<AnyElement> {
2893 self.editor.update(cx, |editor, cx| {
2894 let active_task_indicator_row =
2895 // TODO: add edit button on the right side of each row in the context menu
2896 if let Some(crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2897 deployed_from,
2898 actions,
2899 ..
2900 })) = editor.context_menu.borrow().as_ref()
2901 {
2902 actions
2903 .tasks()
2904 .map(|tasks| tasks.position.to_display_point(snapshot).row())
2905 .or_else(|| match deployed_from {
2906 Some(CodeActionSource::Indicator(row)) => Some(*row),
2907 _ => None,
2908 })
2909 } else {
2910 None
2911 };
2912
2913 let offset_range_start =
2914 snapshot.display_point_to_point(DisplayPoint::new(range.start, 0), Bias::Left);
2915
2916 let offset_range_end =
2917 snapshot.display_point_to_point(DisplayPoint::new(range.end, 0), Bias::Right);
2918
2919 editor
2920 .tasks
2921 .iter()
2922 .filter_map(|(_, tasks)| {
2923 let multibuffer_point = tasks.offset.to_point(&snapshot.buffer_snapshot);
2924 if multibuffer_point < offset_range_start
2925 || multibuffer_point > offset_range_end
2926 {
2927 return None;
2928 }
2929 let multibuffer_row = MultiBufferRow(multibuffer_point.row);
2930 let buffer_folded = snapshot
2931 .buffer_snapshot
2932 .buffer_line_for_row(multibuffer_row)
2933 .map(|(buffer_snapshot, _)| buffer_snapshot.remote_id())
2934 .map(|buffer_id| editor.is_buffer_folded(buffer_id, cx))
2935 .unwrap_or(false);
2936 if buffer_folded {
2937 return None;
2938 }
2939
2940 if snapshot.is_line_folded(multibuffer_row) {
2941 // Skip folded indicators, unless it's the starting line of a fold.
2942 if multibuffer_row
2943 .0
2944 .checked_sub(1)
2945 .is_some_and(|previous_row| {
2946 snapshot.is_line_folded(MultiBufferRow(previous_row))
2947 })
2948 {
2949 return None;
2950 }
2951 }
2952
2953 let display_row = multibuffer_point.to_display_point(snapshot).row();
2954 if !range.contains(&display_row) {
2955 return None;
2956 }
2957 if row_infos
2958 .get((display_row - range.start).0 as usize)
2959 .is_some_and(|row_info| row_info.expand_info.is_some())
2960 {
2961 return None;
2962 }
2963
2964 let button = editor.render_run_indicator(
2965 &self.style,
2966 Some(display_row) == active_task_indicator_row,
2967 display_row,
2968 breakpoints.remove(&display_row),
2969 cx,
2970 );
2971
2972 let button = prepaint_gutter_button(
2973 button,
2974 display_row,
2975 line_height,
2976 gutter_dimensions,
2977 scroll_pixel_position,
2978 gutter_hitbox,
2979 display_hunks,
2980 window,
2981 cx,
2982 );
2983 Some(button)
2984 })
2985 .collect_vec()
2986 })
2987 }
2988
2989 fn layout_expand_toggles(
2990 &self,
2991 gutter_hitbox: &Hitbox,
2992 gutter_dimensions: GutterDimensions,
2993 em_width: Pixels,
2994 line_height: Pixels,
2995 scroll_position: gpui::Point<f32>,
2996 buffer_rows: &[RowInfo],
2997 window: &mut Window,
2998 cx: &mut App,
2999 ) -> Vec<Option<(AnyElement, gpui::Point<Pixels>)>> {
3000 if self.editor.read(cx).disable_expand_excerpt_buttons {
3001 return vec![];
3002 }
3003
3004 let editor_font_size = self.style.text.font_size.to_pixels(window.rem_size()) * 1.2;
3005
3006 let scroll_top = scroll_position.y * line_height;
3007
3008 let max_line_number_length = self
3009 .editor
3010 .read(cx)
3011 .buffer()
3012 .read(cx)
3013 .snapshot(cx)
3014 .widest_line_number()
3015 .ilog10()
3016 + 1;
3017
3018 buffer_rows
3019 .iter()
3020 .enumerate()
3021 .map(|(ix, row_info)| {
3022 let ExpandInfo {
3023 excerpt_id,
3024 direction,
3025 } = row_info.expand_info?;
3026
3027 let icon_name = match direction {
3028 ExpandExcerptDirection::Up => IconName::ExpandUp,
3029 ExpandExcerptDirection::Down => IconName::ExpandDown,
3030 ExpandExcerptDirection::UpAndDown => IconName::ExpandVertical,
3031 };
3032
3033 let git_gutter_width = Self::gutter_strip_width(line_height);
3034 let available_width = gutter_dimensions.left_padding - git_gutter_width;
3035
3036 let editor = self.editor.clone();
3037 let is_wide = max_line_number_length
3038 >= EditorSettings::get_global(cx).gutter.min_line_number_digits as u32
3039 && row_info
3040 .buffer_row
3041 .is_some_and(|row| (row + 1).ilog10() + 1 == max_line_number_length)
3042 || gutter_dimensions.right_padding == px(0.);
3043
3044 let width = if is_wide {
3045 available_width - px(2.)
3046 } else {
3047 available_width + em_width - px(2.)
3048 };
3049
3050 let toggle = IconButton::new(("expand", ix), icon_name)
3051 .icon_color(Color::Custom(cx.theme().colors().editor_line_number))
3052 .selected_icon_color(Color::Custom(cx.theme().colors().editor_foreground))
3053 .icon_size(IconSize::Custom(rems(editor_font_size / window.rem_size())))
3054 .width(width)
3055 .on_click(move |_, window, cx| {
3056 editor.update(cx, |editor, cx| {
3057 editor.expand_excerpt(excerpt_id, direction, window, cx);
3058 });
3059 })
3060 .tooltip(Tooltip::for_action_title(
3061 "Expand Excerpt",
3062 &crate::actions::ExpandExcerpts::default(),
3063 ))
3064 .into_any_element();
3065
3066 let position = point(
3067 git_gutter_width + px(1.),
3068 ix as f32 * line_height - (scroll_top % line_height) + px(1.),
3069 );
3070 let origin = gutter_hitbox.origin + position;
3071
3072 Some((toggle, origin))
3073 })
3074 .collect()
3075 }
3076
3077 fn calculate_relative_line_numbers(
3078 &self,
3079 snapshot: &EditorSnapshot,
3080 rows: &Range<DisplayRow>,
3081 relative_to: Option<DisplayRow>,
3082 ) -> HashMap<DisplayRow, DisplayRowDelta> {
3083 let mut relative_rows: HashMap<DisplayRow, DisplayRowDelta> = Default::default();
3084 let Some(relative_to) = relative_to else {
3085 return relative_rows;
3086 };
3087
3088 let start = rows.start.min(relative_to);
3089 let end = rows.end.max(relative_to);
3090
3091 let buffer_rows = snapshot
3092 .row_infos(start)
3093 .take(1 + end.minus(start) as usize)
3094 .collect::<Vec<_>>();
3095
3096 let head_idx = relative_to.minus(start);
3097 let mut delta = 1;
3098 let mut i = head_idx + 1;
3099 while i < buffer_rows.len() as u32 {
3100 if buffer_rows[i as usize].buffer_row.is_some() {
3101 if rows.contains(&DisplayRow(i + start.0)) {
3102 relative_rows.insert(DisplayRow(i + start.0), delta);
3103 }
3104 delta += 1;
3105 }
3106 i += 1;
3107 }
3108 delta = 1;
3109 i = head_idx.min(buffer_rows.len() as u32 - 1);
3110 while i > 0 && buffer_rows[i as usize].buffer_row.is_none() {
3111 i -= 1;
3112 }
3113
3114 while i > 0 {
3115 i -= 1;
3116 if buffer_rows[i as usize].buffer_row.is_some() {
3117 if rows.contains(&DisplayRow(i + start.0)) {
3118 relative_rows.insert(DisplayRow(i + start.0), delta);
3119 }
3120 delta += 1;
3121 }
3122 }
3123
3124 relative_rows
3125 }
3126
3127 fn layout_line_numbers(
3128 &self,
3129 gutter_hitbox: Option<&Hitbox>,
3130 gutter_dimensions: GutterDimensions,
3131 line_height: Pixels,
3132 scroll_position: gpui::Point<f32>,
3133 rows: Range<DisplayRow>,
3134 buffer_rows: &[RowInfo],
3135 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3136 newest_selection_head: Option<DisplayPoint>,
3137 snapshot: &EditorSnapshot,
3138 window: &mut Window,
3139 cx: &mut App,
3140 ) -> Arc<HashMap<MultiBufferRow, LineNumberLayout>> {
3141 let include_line_numbers = snapshot
3142 .show_line_numbers
3143 .unwrap_or_else(|| EditorSettings::get_global(cx).gutter.line_numbers);
3144 if !include_line_numbers {
3145 return Arc::default();
3146 }
3147
3148 let (newest_selection_head, is_relative) = self.editor.update(cx, |editor, cx| {
3149 let newest_selection_head = newest_selection_head.unwrap_or_else(|| {
3150 let newest = editor.selections.newest::<Point>(cx);
3151 SelectionLayout::new(
3152 newest,
3153 editor.selections.line_mode,
3154 editor.cursor_shape,
3155 &snapshot.display_snapshot,
3156 true,
3157 true,
3158 None,
3159 )
3160 .head
3161 });
3162 let is_relative = editor.should_use_relative_line_numbers(cx);
3163 (newest_selection_head, is_relative)
3164 });
3165
3166 let relative_to = if is_relative {
3167 Some(newest_selection_head.row())
3168 } else {
3169 None
3170 };
3171 let relative_rows = self.calculate_relative_line_numbers(snapshot, &rows, relative_to);
3172 let mut line_number = String::new();
3173 let line_numbers = buffer_rows
3174 .iter()
3175 .enumerate()
3176 .flat_map(|(ix, row_info)| {
3177 let display_row = DisplayRow(rows.start.0 + ix as u32);
3178 line_number.clear();
3179 let non_relative_number = row_info.buffer_row? + 1;
3180 let number = relative_rows
3181 .get(&display_row)
3182 .unwrap_or(&non_relative_number);
3183 write!(&mut line_number, "{number}").unwrap();
3184 if row_info
3185 .diff_status
3186 .is_some_and(|status| status.is_deleted())
3187 {
3188 return None;
3189 }
3190
3191 let color = active_rows
3192 .get(&display_row)
3193 .map(|spec| {
3194 if spec.breakpoint {
3195 cx.theme().colors().debugger_accent
3196 } else {
3197 cx.theme().colors().editor_active_line_number
3198 }
3199 })
3200 .unwrap_or_else(|| cx.theme().colors().editor_line_number);
3201 let shaped_line =
3202 self.shape_line_number(SharedString::from(&line_number), color, window);
3203 let scroll_top = scroll_position.y * line_height;
3204 let line_origin = gutter_hitbox.map(|hitbox| {
3205 hitbox.origin
3206 + point(
3207 hitbox.size.width - shaped_line.width - gutter_dimensions.right_padding,
3208 ix as f32 * line_height - (scroll_top % line_height),
3209 )
3210 });
3211
3212 #[cfg(not(test))]
3213 let hitbox = line_origin.map(|line_origin| {
3214 window.insert_hitbox(
3215 Bounds::new(line_origin, size(shaped_line.width, line_height)),
3216 HitboxBehavior::Normal,
3217 )
3218 });
3219 #[cfg(test)]
3220 let hitbox = {
3221 let _ = line_origin;
3222 None
3223 };
3224
3225 let multi_buffer_row = DisplayPoint::new(display_row, 0).to_point(snapshot).row;
3226 let multi_buffer_row = MultiBufferRow(multi_buffer_row);
3227 let line_number = LineNumberLayout {
3228 shaped_line,
3229 hitbox,
3230 };
3231 Some((multi_buffer_row, line_number))
3232 })
3233 .collect();
3234 Arc::new(line_numbers)
3235 }
3236
3237 fn layout_crease_toggles(
3238 &self,
3239 rows: Range<DisplayRow>,
3240 row_infos: &[RowInfo],
3241 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3242 snapshot: &EditorSnapshot,
3243 window: &mut Window,
3244 cx: &mut App,
3245 ) -> Vec<Option<AnyElement>> {
3246 let include_fold_statuses = EditorSettings::get_global(cx).gutter.folds
3247 && snapshot.mode.is_full()
3248 && self.editor.read(cx).is_singleton(cx);
3249 if include_fold_statuses {
3250 row_infos
3251 .iter()
3252 .enumerate()
3253 .map(|(ix, info)| {
3254 if info.expand_info.is_some() {
3255 return None;
3256 }
3257 let row = info.multibuffer_row?;
3258 let display_row = DisplayRow(rows.start.0 + ix as u32);
3259 let active = active_rows.contains_key(&display_row);
3260
3261 snapshot.render_crease_toggle(row, active, self.editor.clone(), window, cx)
3262 })
3263 .collect()
3264 } else {
3265 Vec::new()
3266 }
3267 }
3268
3269 fn layout_crease_trailers(
3270 &self,
3271 buffer_rows: impl IntoIterator<Item = RowInfo>,
3272 snapshot: &EditorSnapshot,
3273 window: &mut Window,
3274 cx: &mut App,
3275 ) -> Vec<Option<AnyElement>> {
3276 buffer_rows
3277 .into_iter()
3278 .map(|row_info| {
3279 if row_info.expand_info.is_some() {
3280 return None;
3281 }
3282 if let Some(row) = row_info.multibuffer_row {
3283 snapshot.render_crease_trailer(row, window, cx)
3284 } else {
3285 None
3286 }
3287 })
3288 .collect()
3289 }
3290
3291 fn bg_segments_per_row(
3292 rows: Range<DisplayRow>,
3293 selections: &[(PlayerColor, Vec<SelectionLayout>)],
3294 highlight_ranges: &[(Range<DisplayPoint>, Hsla)],
3295 base_background: Hsla,
3296 ) -> Vec<Vec<(Range<DisplayPoint>, Hsla)>> {
3297 if rows.start >= rows.end {
3298 return Vec::new();
3299 }
3300 if !base_background.is_opaque() {
3301 // We don't actually know what color is behind this editor.
3302 return Vec::new();
3303 }
3304 let highlight_iter = highlight_ranges.iter().cloned();
3305 let selection_iter = selections.iter().flat_map(|(player_color, layouts)| {
3306 let color = player_color.selection;
3307 layouts.iter().filter_map(move |selection_layout| {
3308 if selection_layout.range.start != selection_layout.range.end {
3309 Some((selection_layout.range.clone(), color))
3310 } else {
3311 None
3312 }
3313 })
3314 });
3315 let mut per_row_map = vec![Vec::new(); rows.len()];
3316 for (range, color) in highlight_iter.chain(selection_iter) {
3317 let covered_rows = if range.end.column() == 0 {
3318 cmp::max(range.start.row(), rows.start)..cmp::min(range.end.row(), rows.end)
3319 } else {
3320 cmp::max(range.start.row(), rows.start)
3321 ..cmp::min(range.end.row().next_row(), rows.end)
3322 };
3323 for row in covered_rows.iter_rows() {
3324 let seg_start = if row == range.start.row() {
3325 range.start
3326 } else {
3327 DisplayPoint::new(row, 0)
3328 };
3329 let seg_end = if row == range.end.row() && range.end.column() != 0 {
3330 range.end
3331 } else {
3332 DisplayPoint::new(row, u32::MAX)
3333 };
3334 let ix = row.minus(rows.start) as usize;
3335 debug_assert!(row >= rows.start && row < rows.end);
3336 debug_assert!(ix < per_row_map.len());
3337 per_row_map[ix].push((seg_start..seg_end, color));
3338 }
3339 }
3340 for row_segments in per_row_map.iter_mut() {
3341 if row_segments.is_empty() {
3342 continue;
3343 }
3344 let segments = mem::take(row_segments);
3345 let merged = Self::merge_overlapping_ranges(segments, base_background);
3346 *row_segments = merged;
3347 }
3348 per_row_map
3349 }
3350
3351 /// Merge overlapping ranges by splitting at all range boundaries and blending colors where
3352 /// multiple ranges overlap. The result contains non-overlapping ranges ordered from left to right.
3353 ///
3354 /// Expects `start.row() == end.row()` for each range.
3355 fn merge_overlapping_ranges(
3356 ranges: Vec<(Range<DisplayPoint>, Hsla)>,
3357 base_background: Hsla,
3358 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
3359 struct Boundary {
3360 pos: DisplayPoint,
3361 is_start: bool,
3362 index: usize,
3363 color: Hsla,
3364 }
3365
3366 let mut boundaries: SmallVec<[Boundary; 16]> = SmallVec::with_capacity(ranges.len() * 2);
3367 for (index, (range, color)) in ranges.iter().enumerate() {
3368 debug_assert!(
3369 range.start.row() == range.end.row(),
3370 "expects single-row ranges"
3371 );
3372 if range.start < range.end {
3373 boundaries.push(Boundary {
3374 pos: range.start,
3375 is_start: true,
3376 index,
3377 color: *color,
3378 });
3379 boundaries.push(Boundary {
3380 pos: range.end,
3381 is_start: false,
3382 index,
3383 color: *color,
3384 });
3385 }
3386 }
3387
3388 if boundaries.is_empty() {
3389 return Vec::new();
3390 }
3391
3392 boundaries
3393 .sort_unstable_by(|a, b| a.pos.cmp(&b.pos).then_with(|| a.is_start.cmp(&b.is_start)));
3394
3395 let mut processed_ranges: Vec<(Range<DisplayPoint>, Hsla)> = Vec::new();
3396 let mut active_ranges: SmallVec<[(usize, Hsla); 8]> = SmallVec::new();
3397
3398 let mut i = 0;
3399 let mut start_pos = boundaries[0].pos;
3400
3401 let boundaries_len = boundaries.len();
3402 while i < boundaries_len {
3403 let current_boundary_pos = boundaries[i].pos;
3404 if start_pos < current_boundary_pos {
3405 if !active_ranges.is_empty() {
3406 let mut color = base_background;
3407 for &(_, c) in &active_ranges {
3408 color = Hsla::blend(color, c);
3409 }
3410 if let Some((last_range, last_color)) = processed_ranges.last_mut() {
3411 if *last_color == color && last_range.end == start_pos {
3412 last_range.end = current_boundary_pos;
3413 } else {
3414 processed_ranges.push((start_pos..current_boundary_pos, color));
3415 }
3416 } else {
3417 processed_ranges.push((start_pos..current_boundary_pos, color));
3418 }
3419 }
3420 }
3421 while i < boundaries_len && boundaries[i].pos == current_boundary_pos {
3422 let active_range = &boundaries[i];
3423 if active_range.is_start {
3424 let idx = active_range.index;
3425 let pos = active_ranges
3426 .binary_search_by_key(&idx, |(i, _)| *i)
3427 .unwrap_or_else(|p| p);
3428 active_ranges.insert(pos, (idx, active_range.color));
3429 } else {
3430 let idx = active_range.index;
3431 if let Ok(pos) = active_ranges.binary_search_by_key(&idx, |(i, _)| *i) {
3432 active_ranges.remove(pos);
3433 }
3434 }
3435 i += 1;
3436 }
3437 start_pos = current_boundary_pos;
3438 }
3439
3440 processed_ranges
3441 }
3442
3443 fn layout_lines(
3444 rows: Range<DisplayRow>,
3445 snapshot: &EditorSnapshot,
3446 style: &EditorStyle,
3447 editor_width: Pixels,
3448 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3449 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
3450 window: &mut Window,
3451 cx: &mut App,
3452 ) -> Vec<LineWithInvisibles> {
3453 if rows.start >= rows.end {
3454 return Vec::new();
3455 }
3456
3457 // Show the placeholder when the editor is empty
3458 if snapshot.is_empty() {
3459 let font_size = style.text.font_size.to_pixels(window.rem_size());
3460 let placeholder_color = cx.theme().colors().text_placeholder;
3461 let placeholder_text = snapshot.placeholder_text();
3462
3463 let placeholder_lines = placeholder_text
3464 .as_ref()
3465 .map_or(Vec::new(), |text| text.split('\n').collect::<Vec<_>>());
3466
3467 let placeholder_line_count = placeholder_lines.len();
3468
3469 placeholder_lines
3470 .into_iter()
3471 .skip(rows.start.0 as usize)
3472 .chain(iter::repeat(""))
3473 .take(cmp::max(rows.len(), placeholder_line_count))
3474 .map(move |line| {
3475 let run = TextRun {
3476 len: line.len(),
3477 font: style.text.font(),
3478 color: placeholder_color,
3479 background_color: None,
3480 underline: None,
3481 strikethrough: None,
3482 };
3483 let line = window.text_system().shape_line(
3484 line.to_string().into(),
3485 font_size,
3486 &[run],
3487 None,
3488 );
3489 LineWithInvisibles {
3490 width: line.width,
3491 len: line.len,
3492 fragments: smallvec![LineFragment::Text(line)],
3493 invisibles: Vec::new(),
3494 font_size,
3495 }
3496 })
3497 .collect()
3498 } else {
3499 let chunks = snapshot.highlighted_chunks(rows.clone(), true, style);
3500 LineWithInvisibles::from_chunks(
3501 chunks,
3502 style,
3503 MAX_LINE_LEN,
3504 rows.len(),
3505 &snapshot.mode,
3506 editor_width,
3507 is_row_soft_wrapped,
3508 bg_segments_per_row,
3509 window,
3510 cx,
3511 )
3512 }
3513 }
3514
3515 fn prepaint_lines(
3516 &self,
3517 start_row: DisplayRow,
3518 line_layouts: &mut [LineWithInvisibles],
3519 line_height: Pixels,
3520 scroll_pixel_position: gpui::Point<Pixels>,
3521 content_origin: gpui::Point<Pixels>,
3522 window: &mut Window,
3523 cx: &mut App,
3524 ) -> SmallVec<[AnyElement; 1]> {
3525 let mut line_elements = SmallVec::new();
3526 for (ix, line) in line_layouts.iter_mut().enumerate() {
3527 let row = start_row + DisplayRow(ix as u32);
3528 line.prepaint(
3529 line_height,
3530 scroll_pixel_position,
3531 row,
3532 content_origin,
3533 &mut line_elements,
3534 window,
3535 cx,
3536 );
3537 }
3538 line_elements
3539 }
3540
3541 fn render_block(
3542 &self,
3543 block: &Block,
3544 available_width: AvailableSpace,
3545 block_id: BlockId,
3546 block_row_start: DisplayRow,
3547 snapshot: &EditorSnapshot,
3548 text_x: Pixels,
3549 rows: &Range<DisplayRow>,
3550 line_layouts: &[LineWithInvisibles],
3551 editor_margins: &EditorMargins,
3552 line_height: Pixels,
3553 em_width: Pixels,
3554 text_hitbox: &Hitbox,
3555 editor_width: Pixels,
3556 scroll_width: &mut Pixels,
3557 resized_blocks: &mut HashMap<CustomBlockId, u32>,
3558 row_block_types: &mut HashMap<DisplayRow, bool>,
3559 selections: &[Selection<Point>],
3560 selected_buffer_ids: &Vec<BufferId>,
3561 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3562 sticky_header_excerpt_id: Option<ExcerptId>,
3563 window: &mut Window,
3564 cx: &mut App,
3565 ) -> Option<(AnyElement, Size<Pixels>, DisplayRow, Pixels)> {
3566 let mut x_position = None;
3567 let mut element = match block {
3568 Block::Custom(custom) => {
3569 let block_start = custom.start().to_point(&snapshot.buffer_snapshot);
3570 let block_end = custom.end().to_point(&snapshot.buffer_snapshot);
3571 if block.place_near() && snapshot.is_line_folded(MultiBufferRow(block_start.row)) {
3572 return None;
3573 }
3574 let align_to = block_start.to_display_point(snapshot);
3575 let x_and_width = |layout: &LineWithInvisibles| {
3576 Some((
3577 text_x + layout.x_for_index(align_to.column() as usize),
3578 text_x + layout.width,
3579 ))
3580 };
3581 let line_ix = align_to.row().0.checked_sub(rows.start.0);
3582 x_position =
3583 if let Some(layout) = line_ix.and_then(|ix| line_layouts.get(ix as usize)) {
3584 x_and_width(layout)
3585 } else {
3586 x_and_width(&layout_line(
3587 align_to.row(),
3588 snapshot,
3589 &self.style,
3590 editor_width,
3591 is_row_soft_wrapped,
3592 window,
3593 cx,
3594 ))
3595 };
3596
3597 let anchor_x = x_position.unwrap().0;
3598
3599 let selected = selections
3600 .binary_search_by(|selection| {
3601 if selection.end <= block_start {
3602 Ordering::Less
3603 } else if selection.start >= block_end {
3604 Ordering::Greater
3605 } else {
3606 Ordering::Equal
3607 }
3608 })
3609 .is_ok();
3610
3611 div()
3612 .size_full()
3613 .child(custom.render(&mut BlockContext {
3614 window,
3615 app: cx,
3616 anchor_x,
3617 margins: editor_margins,
3618 line_height,
3619 em_width,
3620 block_id,
3621 selected,
3622 max_width: text_hitbox.size.width.max(*scroll_width),
3623 editor_style: &self.style,
3624 }))
3625 .into_any()
3626 }
3627
3628 Block::FoldedBuffer {
3629 first_excerpt,
3630 height,
3631 ..
3632 } => {
3633 let selected = selected_buffer_ids.contains(&first_excerpt.buffer_id);
3634 let result = v_flex().id(block_id).w_full().pr(editor_margins.right);
3635
3636 let jump_data = header_jump_data(snapshot, block_row_start, *height, first_excerpt);
3637 result
3638 .child(self.render_buffer_header(
3639 first_excerpt,
3640 true,
3641 selected,
3642 false,
3643 jump_data,
3644 window,
3645 cx,
3646 ))
3647 .into_any_element()
3648 }
3649
3650 Block::ExcerptBoundary { .. } => {
3651 let color = cx.theme().colors().clone();
3652 let mut result = v_flex().id(block_id).w_full();
3653
3654 result = result.child(
3655 h_flex().relative().child(
3656 div()
3657 .top(line_height / 2.)
3658 .absolute()
3659 .w_full()
3660 .h_px()
3661 .bg(color.border_variant),
3662 ),
3663 );
3664
3665 result.into_any()
3666 }
3667
3668 Block::BufferHeader { excerpt, height } => {
3669 let mut result = v_flex().id(block_id).w_full();
3670
3671 let jump_data = header_jump_data(snapshot, block_row_start, *height, excerpt);
3672
3673 if sticky_header_excerpt_id != Some(excerpt.id) {
3674 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
3675
3676 result = result.child(div().pr(editor_margins.right).child(
3677 self.render_buffer_header(
3678 excerpt, false, selected, false, jump_data, window, cx,
3679 ),
3680 ));
3681 } else {
3682 result =
3683 result.child(div().h(FILE_HEADER_HEIGHT as f32 * window.line_height()));
3684 }
3685
3686 result.into_any()
3687 }
3688 };
3689
3690 // Discover the element's content height, then round up to the nearest multiple of line height.
3691 let preliminary_size = element.layout_as_root(
3692 size(available_width, AvailableSpace::MinContent),
3693 window,
3694 cx,
3695 );
3696 let quantized_height = (preliminary_size.height / line_height).ceil() * line_height;
3697 let final_size = if preliminary_size.height == quantized_height {
3698 preliminary_size
3699 } else {
3700 element.layout_as_root(size(available_width, quantized_height.into()), window, cx)
3701 };
3702 let mut element_height_in_lines = ((final_size.height / line_height).ceil() as u32).max(1);
3703
3704 let mut row = block_row_start;
3705 let mut x_offset = px(0.);
3706 let mut is_block = true;
3707
3708 if let BlockId::Custom(custom_block_id) = block_id
3709 && block.has_height()
3710 {
3711 if block.place_near()
3712 && let Some((x_target, line_width)) = x_position
3713 {
3714 let margin = em_width * 2;
3715 if line_width + final_size.width + margin
3716 < editor_width + editor_margins.gutter.full_width()
3717 && !row_block_types.contains_key(&(row - 1))
3718 && element_height_in_lines == 1
3719 {
3720 x_offset = line_width + margin;
3721 row = row - 1;
3722 is_block = false;
3723 element_height_in_lines = 0;
3724 row_block_types.insert(row, is_block);
3725 } else {
3726 let max_offset =
3727 editor_width + editor_margins.gutter.full_width() - final_size.width;
3728 let min_offset = (x_target + em_width - final_size.width)
3729 .max(editor_margins.gutter.full_width());
3730 x_offset = x_target.min(max_offset).max(min_offset);
3731 }
3732 };
3733 if element_height_in_lines != block.height() {
3734 resized_blocks.insert(custom_block_id, element_height_in_lines);
3735 }
3736 }
3737 for i in 0..element_height_in_lines {
3738 row_block_types.insert(row + i, is_block);
3739 }
3740
3741 Some((element, final_size, row, x_offset))
3742 }
3743
3744 fn render_buffer_header(
3745 &self,
3746 for_excerpt: &ExcerptInfo,
3747 is_folded: bool,
3748 is_selected: bool,
3749 is_sticky: bool,
3750 jump_data: JumpData,
3751 window: &mut Window,
3752 cx: &mut App,
3753 ) -> impl IntoElement {
3754 let editor = self.editor.read(cx);
3755 let multi_buffer = editor.buffer.read(cx);
3756 let file_status = multi_buffer
3757 .all_diff_hunks_expanded()
3758 .then(|| {
3759 editor
3760 .project
3761 .as_ref()?
3762 .read(cx)
3763 .status_for_buffer_id(for_excerpt.buffer_id, cx)
3764 })
3765 .flatten();
3766 let indicator = multi_buffer
3767 .buffer(for_excerpt.buffer_id)
3768 .and_then(|buffer| {
3769 let buffer = buffer.read(cx);
3770 let indicator_color = match (buffer.has_conflict(), buffer.is_dirty()) {
3771 (true, _) => Some(Color::Warning),
3772 (_, true) => Some(Color::Accent),
3773 (false, false) => None,
3774 };
3775 indicator_color.map(|indicator_color| Indicator::dot().color(indicator_color))
3776 });
3777
3778 let include_root = editor
3779 .project
3780 .as_ref()
3781 .map(|project| project.read(cx).visible_worktrees(cx).count() > 1)
3782 .unwrap_or_default();
3783 let can_open_excerpts = Editor::can_open_excerpts_in_file(for_excerpt.buffer.file());
3784 let relative_path = for_excerpt.buffer.resolve_file_path(cx, include_root);
3785 let filename = relative_path
3786 .as_ref()
3787 .and_then(|path| Some(path.file_name()?.to_string_lossy().to_string()));
3788 let parent_path = relative_path.as_ref().and_then(|path| {
3789 Some(path.parent()?.to_string_lossy().to_string() + std::path::MAIN_SEPARATOR_STR)
3790 });
3791 let focus_handle = editor.focus_handle(cx);
3792 let colors = cx.theme().colors();
3793
3794 let header = div()
3795 .p_1()
3796 .w_full()
3797 .h(FILE_HEADER_HEIGHT as f32 * window.line_height())
3798 .child(
3799 h_flex()
3800 .size_full()
3801 .gap_2()
3802 .flex_basis(Length::Definite(DefiniteLength::Fraction(0.667)))
3803 .pl_0p5()
3804 .pr_5()
3805 .rounded_sm()
3806 .when(is_sticky, |el| el.shadow_md())
3807 .border_1()
3808 .map(|div| {
3809 let border_color = if is_selected
3810 && is_folded
3811 && focus_handle.contains_focused(window, cx)
3812 {
3813 colors.border_focused
3814 } else {
3815 colors.border
3816 };
3817 div.border_color(border_color)
3818 })
3819 .bg(colors.editor_subheader_background)
3820 .hover(|style| style.bg(colors.element_hover))
3821 .map(|header| {
3822 let editor = self.editor.clone();
3823 let buffer_id = for_excerpt.buffer_id;
3824 let toggle_chevron_icon =
3825 FileIcons::get_chevron_icon(!is_folded, cx).map(Icon::from_path);
3826 header.child(
3827 div()
3828 .hover(|style| style.bg(colors.element_selected))
3829 .rounded_xs()
3830 .child(
3831 ButtonLike::new("toggle-buffer-fold")
3832 .style(ui::ButtonStyle::Transparent)
3833 .height(px(28.).into())
3834 .width(px(28.))
3835 .children(toggle_chevron_icon)
3836 .tooltip({
3837 let focus_handle = focus_handle.clone();
3838 move |window, cx| {
3839 Tooltip::with_meta_in(
3840 "Toggle Excerpt Fold",
3841 Some(&ToggleFold),
3842 "Alt+click to toggle all",
3843 &focus_handle,
3844 window,
3845 cx,
3846 )
3847 }
3848 })
3849 .on_click(move |event, window, cx| {
3850 if event.modifiers().alt {
3851 // Alt+click toggles all buffers
3852 editor.update(cx, |editor, cx| {
3853 editor.toggle_fold_all(
3854 &ToggleFoldAll,
3855 window,
3856 cx,
3857 );
3858 });
3859 } else {
3860 // Regular click toggles single buffer
3861 if is_folded {
3862 editor.update(cx, |editor, cx| {
3863 editor.unfold_buffer(buffer_id, cx);
3864 });
3865 } else {
3866 editor.update(cx, |editor, cx| {
3867 editor.fold_buffer(buffer_id, cx);
3868 });
3869 }
3870 }
3871 }),
3872 ),
3873 )
3874 })
3875 .children(
3876 editor
3877 .addons
3878 .values()
3879 .filter_map(|addon| {
3880 addon.render_buffer_header_controls(for_excerpt, window, cx)
3881 })
3882 .take(1),
3883 )
3884 .child(
3885 h_flex()
3886 .size(Pixels(12.0))
3887 .justify_center()
3888 .children(indicator),
3889 )
3890 .child(
3891 h_flex()
3892 .cursor_pointer()
3893 .id("path header block")
3894 .size_full()
3895 .justify_between()
3896 .overflow_hidden()
3897 .child(
3898 h_flex()
3899 .gap_2()
3900 .map(|path_header| {
3901 let filename = filename
3902 .map(SharedString::from)
3903 .unwrap_or_else(|| "untitled".into());
3904
3905 path_header
3906 .when(ItemSettings::get_global(cx).file_icons, |el| {
3907 let path = path::Path::new(filename.as_str());
3908 let icon = FileIcons::get_icon(path, cx)
3909 .unwrap_or_default();
3910 let icon =
3911 Icon::from_path(icon).color(Color::Muted);
3912 el.child(icon)
3913 })
3914 .child(Label::new(filename).single_line().when_some(
3915 file_status,
3916 |el, status| {
3917 el.color(if status.is_conflicted() {
3918 Color::Conflict
3919 } else if status.is_modified() {
3920 Color::Modified
3921 } else if status.is_deleted() {
3922 Color::Disabled
3923 } else {
3924 Color::Created
3925 })
3926 .when(status.is_deleted(), |el| {
3927 el.strikethrough()
3928 })
3929 },
3930 ))
3931 })
3932 .when_some(parent_path, |then, path| {
3933 then.child(div().child(path).text_color(
3934 if file_status.is_some_and(FileStatus::is_deleted) {
3935 colors.text_disabled
3936 } else {
3937 colors.text_muted
3938 },
3939 ))
3940 }),
3941 )
3942 .when(
3943 can_open_excerpts && is_selected && relative_path.is_some(),
3944 |el| {
3945 el.child(
3946 h_flex()
3947 .id("jump-to-file-button")
3948 .gap_2p5()
3949 .child(Label::new("Jump To File"))
3950 .children(
3951 KeyBinding::for_action_in(
3952 &OpenExcerpts,
3953 &focus_handle,
3954 window,
3955 cx,
3956 )
3957 .map(|binding| binding.into_any_element()),
3958 ),
3959 )
3960 },
3961 )
3962 .on_mouse_down(MouseButton::Left, |_, _, cx| cx.stop_propagation())
3963 .on_click(window.listener_for(&self.editor, {
3964 move |editor, e: &ClickEvent, window, cx| {
3965 editor.open_excerpts_common(
3966 Some(jump_data.clone()),
3967 e.modifiers().secondary(),
3968 window,
3969 cx,
3970 );
3971 }
3972 })),
3973 ),
3974 );
3975
3976 let file = for_excerpt.buffer.file().cloned();
3977 let editor = self.editor.clone();
3978 right_click_menu("buffer-header-context-menu")
3979 .trigger(move |_, _, _| header)
3980 .menu(move |window, cx| {
3981 let menu_context = focus_handle.clone();
3982 let editor = editor.clone();
3983 let file = file.clone();
3984 ContextMenu::build(window, cx, move |mut menu, window, cx| {
3985 if let Some(file) = file
3986 && let Some(project) = editor.read(cx).project()
3987 && let Some(worktree) =
3988 project.read(cx).worktree_for_id(file.worktree_id(cx), cx)
3989 {
3990 let worktree = worktree.read(cx);
3991 let relative_path = file.path();
3992 let entry_for_path = worktree.entry_for_path(relative_path);
3993 let abs_path = entry_for_path.map(|e| {
3994 e.canonical_path.as_deref().map_or_else(
3995 || worktree.abs_path().join(relative_path),
3996 Path::to_path_buf,
3997 )
3998 });
3999 let has_relative_path = worktree.root_entry().is_some_and(Entry::is_dir);
4000
4001 let parent_abs_path = abs_path
4002 .as_ref()
4003 .and_then(|abs_path| Some(abs_path.parent()?.to_path_buf()));
4004 let relative_path = has_relative_path
4005 .then_some(relative_path)
4006 .map(ToOwned::to_owned);
4007
4008 let visible_in_project_panel =
4009 relative_path.is_some() && worktree.is_visible();
4010 let reveal_in_project_panel = entry_for_path
4011 .filter(|_| visible_in_project_panel)
4012 .map(|entry| entry.id);
4013 menu = menu
4014 .when_some(abs_path, |menu, abs_path| {
4015 menu.entry(
4016 "Copy Path",
4017 Some(Box::new(zed_actions::workspace::CopyPath)),
4018 window.handler_for(&editor, move |_, _, cx| {
4019 cx.write_to_clipboard(ClipboardItem::new_string(
4020 abs_path.to_string_lossy().to_string(),
4021 ));
4022 }),
4023 )
4024 })
4025 .when_some(relative_path, |menu, relative_path| {
4026 menu.entry(
4027 "Copy Relative Path",
4028 Some(Box::new(zed_actions::workspace::CopyRelativePath)),
4029 window.handler_for(&editor, move |_, _, cx| {
4030 cx.write_to_clipboard(ClipboardItem::new_string(
4031 relative_path.to_string_lossy().to_string(),
4032 ));
4033 }),
4034 )
4035 })
4036 .when(
4037 reveal_in_project_panel.is_some() || parent_abs_path.is_some(),
4038 |menu| menu.separator(),
4039 )
4040 .when_some(reveal_in_project_panel, |menu, entry_id| {
4041 menu.entry(
4042 "Reveal In Project Panel",
4043 Some(Box::new(RevealInProjectPanel::default())),
4044 window.handler_for(&editor, move |editor, _, cx| {
4045 if let Some(project) = &mut editor.project {
4046 project.update(cx, |_, cx| {
4047 cx.emit(project::Event::RevealInProjectPanel(
4048 entry_id,
4049 ))
4050 });
4051 }
4052 }),
4053 )
4054 })
4055 .when_some(parent_abs_path, |menu, parent_abs_path| {
4056 menu.entry(
4057 "Open in Terminal",
4058 Some(Box::new(OpenInTerminal)),
4059 window.handler_for(&editor, move |_, window, cx| {
4060 window.dispatch_action(
4061 OpenTerminal {
4062 working_directory: parent_abs_path.clone(),
4063 }
4064 .boxed_clone(),
4065 cx,
4066 );
4067 }),
4068 )
4069 });
4070 }
4071
4072 menu.context(menu_context)
4073 })
4074 })
4075 }
4076
4077 fn render_blocks(
4078 &self,
4079 rows: Range<DisplayRow>,
4080 snapshot: &EditorSnapshot,
4081 hitbox: &Hitbox,
4082 text_hitbox: &Hitbox,
4083 editor_width: Pixels,
4084 scroll_width: &mut Pixels,
4085 editor_margins: &EditorMargins,
4086 em_width: Pixels,
4087 text_x: Pixels,
4088 line_height: Pixels,
4089 line_layouts: &mut [LineWithInvisibles],
4090 selections: &[Selection<Point>],
4091 selected_buffer_ids: &Vec<BufferId>,
4092 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
4093 sticky_header_excerpt_id: Option<ExcerptId>,
4094 window: &mut Window,
4095 cx: &mut App,
4096 ) -> Result<(Vec<BlockLayout>, HashMap<DisplayRow, bool>), HashMap<CustomBlockId, u32>> {
4097 let (fixed_blocks, non_fixed_blocks) = snapshot
4098 .blocks_in_range(rows.clone())
4099 .partition::<Vec<_>, _>(|(_, block)| block.style() == BlockStyle::Fixed);
4100
4101 let mut focused_block = self
4102 .editor
4103 .update(cx, |editor, _| editor.take_focused_block());
4104 let mut fixed_block_max_width = Pixels::ZERO;
4105 let mut blocks = Vec::new();
4106 let mut resized_blocks = HashMap::default();
4107 let mut row_block_types = HashMap::default();
4108
4109 for (row, block) in fixed_blocks {
4110 let block_id = block.id();
4111
4112 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4113 focused_block = None;
4114 }
4115
4116 if let Some((element, element_size, row, x_offset)) = self.render_block(
4117 block,
4118 AvailableSpace::MinContent,
4119 block_id,
4120 row,
4121 snapshot,
4122 text_x,
4123 &rows,
4124 line_layouts,
4125 editor_margins,
4126 line_height,
4127 em_width,
4128 text_hitbox,
4129 editor_width,
4130 scroll_width,
4131 &mut resized_blocks,
4132 &mut row_block_types,
4133 selections,
4134 selected_buffer_ids,
4135 is_row_soft_wrapped,
4136 sticky_header_excerpt_id,
4137 window,
4138 cx,
4139 ) {
4140 fixed_block_max_width = fixed_block_max_width.max(element_size.width + em_width);
4141 blocks.push(BlockLayout {
4142 id: block_id,
4143 x_offset,
4144 row: Some(row),
4145 element,
4146 available_space: size(AvailableSpace::MinContent, element_size.height.into()),
4147 style: BlockStyle::Fixed,
4148 overlaps_gutter: true,
4149 is_buffer_header: block.is_buffer_header(),
4150 });
4151 }
4152 }
4153
4154 for (row, block) in non_fixed_blocks {
4155 let style = block.style();
4156 let width = match (style, block.place_near()) {
4157 (_, true) => AvailableSpace::MinContent,
4158 (BlockStyle::Sticky, _) => hitbox.size.width.into(),
4159 (BlockStyle::Flex, _) => hitbox
4160 .size
4161 .width
4162 .max(fixed_block_max_width)
4163 .max(editor_margins.gutter.width + *scroll_width)
4164 .into(),
4165 (BlockStyle::Fixed, _) => unreachable!(),
4166 };
4167 let block_id = block.id();
4168
4169 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4170 focused_block = None;
4171 }
4172
4173 if let Some((element, element_size, row, x_offset)) = self.render_block(
4174 block,
4175 width,
4176 block_id,
4177 row,
4178 snapshot,
4179 text_x,
4180 &rows,
4181 line_layouts,
4182 editor_margins,
4183 line_height,
4184 em_width,
4185 text_hitbox,
4186 editor_width,
4187 scroll_width,
4188 &mut resized_blocks,
4189 &mut row_block_types,
4190 selections,
4191 selected_buffer_ids,
4192 is_row_soft_wrapped,
4193 sticky_header_excerpt_id,
4194 window,
4195 cx,
4196 ) {
4197 blocks.push(BlockLayout {
4198 id: block_id,
4199 x_offset,
4200 row: Some(row),
4201 element,
4202 available_space: size(width, element_size.height.into()),
4203 style,
4204 overlaps_gutter: !block.place_near(),
4205 is_buffer_header: block.is_buffer_header(),
4206 });
4207 }
4208 }
4209
4210 if let Some(focused_block) = focused_block
4211 && let Some(focus_handle) = focused_block.focus_handle.upgrade()
4212 && focus_handle.is_focused(window)
4213 && let Some(block) = snapshot.block_for_id(focused_block.id)
4214 {
4215 let style = block.style();
4216 let width = match style {
4217 BlockStyle::Fixed => AvailableSpace::MinContent,
4218 BlockStyle::Flex => AvailableSpace::Definite(
4219 hitbox
4220 .size
4221 .width
4222 .max(fixed_block_max_width)
4223 .max(editor_margins.gutter.width + *scroll_width),
4224 ),
4225 BlockStyle::Sticky => AvailableSpace::Definite(hitbox.size.width),
4226 };
4227
4228 if let Some((element, element_size, _, x_offset)) = self.render_block(
4229 &block,
4230 width,
4231 focused_block.id,
4232 rows.end,
4233 snapshot,
4234 text_x,
4235 &rows,
4236 line_layouts,
4237 editor_margins,
4238 line_height,
4239 em_width,
4240 text_hitbox,
4241 editor_width,
4242 scroll_width,
4243 &mut resized_blocks,
4244 &mut row_block_types,
4245 selections,
4246 selected_buffer_ids,
4247 is_row_soft_wrapped,
4248 sticky_header_excerpt_id,
4249 window,
4250 cx,
4251 ) {
4252 blocks.push(BlockLayout {
4253 id: block.id(),
4254 x_offset,
4255 row: None,
4256 element,
4257 available_space: size(width, element_size.height.into()),
4258 style,
4259 overlaps_gutter: true,
4260 is_buffer_header: block.is_buffer_header(),
4261 });
4262 }
4263 }
4264
4265 if resized_blocks.is_empty() {
4266 *scroll_width =
4267 (*scroll_width).max(fixed_block_max_width - editor_margins.gutter.width);
4268 Ok((blocks, row_block_types))
4269 } else {
4270 Err(resized_blocks)
4271 }
4272 }
4273
4274 fn layout_blocks(
4275 &self,
4276 blocks: &mut Vec<BlockLayout>,
4277 hitbox: &Hitbox,
4278 line_height: Pixels,
4279 scroll_pixel_position: gpui::Point<Pixels>,
4280 window: &mut Window,
4281 cx: &mut App,
4282 ) {
4283 for block in blocks {
4284 let mut origin = if let Some(row) = block.row {
4285 hitbox.origin
4286 + point(
4287 block.x_offset,
4288 row.as_f32() * line_height - scroll_pixel_position.y,
4289 )
4290 } else {
4291 // Position the block outside the visible area
4292 hitbox.origin + point(Pixels::ZERO, hitbox.size.height)
4293 };
4294
4295 if !matches!(block.style, BlockStyle::Sticky) {
4296 origin += point(-scroll_pixel_position.x, Pixels::ZERO);
4297 }
4298
4299 let focus_handle =
4300 block
4301 .element
4302 .prepaint_as_root(origin, block.available_space, window, cx);
4303
4304 if let Some(focus_handle) = focus_handle {
4305 self.editor.update(cx, |editor, _cx| {
4306 editor.set_focused_block(FocusedBlock {
4307 id: block.id,
4308 focus_handle: focus_handle.downgrade(),
4309 });
4310 });
4311 }
4312 }
4313 }
4314
4315 fn layout_sticky_buffer_header(
4316 &self,
4317 StickyHeaderExcerpt { excerpt }: StickyHeaderExcerpt<'_>,
4318 scroll_position: f32,
4319 line_height: Pixels,
4320 right_margin: Pixels,
4321 snapshot: &EditorSnapshot,
4322 hitbox: &Hitbox,
4323 selected_buffer_ids: &Vec<BufferId>,
4324 blocks: &[BlockLayout],
4325 window: &mut Window,
4326 cx: &mut App,
4327 ) -> AnyElement {
4328 let jump_data = header_jump_data(
4329 snapshot,
4330 DisplayRow(scroll_position as u32),
4331 FILE_HEADER_HEIGHT + MULTI_BUFFER_EXCERPT_HEADER_HEIGHT,
4332 excerpt,
4333 );
4334
4335 let editor_bg_color = cx.theme().colors().editor_background;
4336
4337 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
4338
4339 let available_width = hitbox.bounds.size.width - right_margin;
4340
4341 let mut header = v_flex()
4342 .w_full()
4343 .relative()
4344 .child(
4345 div()
4346 .w(available_width)
4347 .h(FILE_HEADER_HEIGHT as f32 * line_height)
4348 .bg(linear_gradient(
4349 0.,
4350 linear_color_stop(editor_bg_color.opacity(0.), 0.),
4351 linear_color_stop(editor_bg_color, 0.6),
4352 ))
4353 .absolute()
4354 .top_0(),
4355 )
4356 .child(
4357 self.render_buffer_header(excerpt, false, selected, true, jump_data, window, cx)
4358 .into_any_element(),
4359 )
4360 .into_any_element();
4361
4362 let mut origin = hitbox.origin;
4363 // Move floating header up to avoid colliding with the next buffer header.
4364 for block in blocks.iter() {
4365 if !block.is_buffer_header {
4366 continue;
4367 }
4368
4369 let Some(display_row) = block.row.filter(|row| row.0 > scroll_position as u32) else {
4370 continue;
4371 };
4372
4373 let max_row = display_row.0.saturating_sub(FILE_HEADER_HEIGHT);
4374 let offset = scroll_position - max_row as f32;
4375
4376 if offset > 0.0 {
4377 origin.y -= offset * line_height;
4378 }
4379 break;
4380 }
4381
4382 let size = size(
4383 AvailableSpace::Definite(available_width),
4384 AvailableSpace::MinContent,
4385 );
4386
4387 header.prepaint_as_root(origin, size, window, cx);
4388
4389 header
4390 }
4391
4392 fn layout_cursor_popovers(
4393 &self,
4394 line_height: Pixels,
4395 text_hitbox: &Hitbox,
4396 content_origin: gpui::Point<Pixels>,
4397 right_margin: Pixels,
4398 start_row: DisplayRow,
4399 scroll_pixel_position: gpui::Point<Pixels>,
4400 line_layouts: &[LineWithInvisibles],
4401 cursor: DisplayPoint,
4402 cursor_point: Point,
4403 style: &EditorStyle,
4404 window: &mut Window,
4405 cx: &mut App,
4406 ) -> Option<ContextMenuLayout> {
4407 let mut min_menu_height = Pixels::ZERO;
4408 let mut max_menu_height = Pixels::ZERO;
4409 let mut height_above_menu = Pixels::ZERO;
4410 let height_below_menu = Pixels::ZERO;
4411 let mut edit_prediction_popover_visible = false;
4412 let mut context_menu_visible = false;
4413 let context_menu_placement;
4414
4415 {
4416 let editor = self.editor.read(cx);
4417 if editor.edit_prediction_visible_in_cursor_popover(editor.has_active_edit_prediction())
4418 {
4419 height_above_menu +=
4420 editor.edit_prediction_cursor_popover_height() + POPOVER_Y_PADDING;
4421 edit_prediction_popover_visible = true;
4422 }
4423
4424 if editor.context_menu_visible()
4425 && let Some(crate::ContextMenuOrigin::Cursor) = editor.context_menu_origin()
4426 {
4427 let (min_height_in_lines, max_height_in_lines) = editor
4428 .context_menu_options
4429 .as_ref()
4430 .map_or((3, 12), |options| {
4431 (options.min_entries_visible, options.max_entries_visible)
4432 });
4433
4434 min_menu_height += line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4435 max_menu_height += line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4436 context_menu_visible = true;
4437 }
4438 context_menu_placement = editor
4439 .context_menu_options
4440 .as_ref()
4441 .and_then(|options| options.placement.clone());
4442 }
4443
4444 let visible = edit_prediction_popover_visible || context_menu_visible;
4445 if !visible {
4446 return None;
4447 }
4448
4449 let cursor_row_layout = &line_layouts[cursor.row().minus(start_row) as usize];
4450 let target_position = content_origin
4451 + gpui::Point {
4452 x: cmp::max(
4453 px(0.),
4454 cursor_row_layout.x_for_index(cursor.column() as usize)
4455 - scroll_pixel_position.x,
4456 ),
4457 y: cmp::max(
4458 px(0.),
4459 cursor.row().next_row().as_f32() * line_height - scroll_pixel_position.y,
4460 ),
4461 };
4462
4463 let viewport_bounds =
4464 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4465 right: -right_margin - MENU_GAP,
4466 ..Default::default()
4467 });
4468
4469 let min_height = height_above_menu + min_menu_height + height_below_menu;
4470 let max_height = height_above_menu + max_menu_height + height_below_menu;
4471 let (laid_out_popovers, y_flipped) = self.layout_popovers_above_or_below_line(
4472 target_position,
4473 line_height,
4474 min_height,
4475 max_height,
4476 context_menu_placement,
4477 text_hitbox,
4478 viewport_bounds,
4479 window,
4480 cx,
4481 |height, max_width_for_stable_x, y_flipped, window, cx| {
4482 // First layout the menu to get its size - others can be at least this wide.
4483 let context_menu = if context_menu_visible {
4484 let menu_height = if y_flipped {
4485 height - height_below_menu
4486 } else {
4487 height - height_above_menu
4488 };
4489 let mut element = self
4490 .render_context_menu(line_height, menu_height, window, cx)
4491 .expect("Visible context menu should always render.");
4492 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4493 Some((CursorPopoverType::CodeContextMenu, element, size))
4494 } else {
4495 None
4496 };
4497 let min_width = context_menu
4498 .as_ref()
4499 .map_or(px(0.), |(_, _, size)| size.width);
4500 let max_width = max_width_for_stable_x.max(
4501 context_menu
4502 .as_ref()
4503 .map_or(px(0.), |(_, _, size)| size.width),
4504 );
4505
4506 let edit_prediction = if edit_prediction_popover_visible {
4507 self.editor.update(cx, move |editor, cx| {
4508 let accept_binding =
4509 editor.accept_edit_prediction_keybind(false, window, cx);
4510 let mut element = editor.render_edit_prediction_cursor_popover(
4511 min_width,
4512 max_width,
4513 cursor_point,
4514 style,
4515 accept_binding.keystroke(),
4516 window,
4517 cx,
4518 )?;
4519 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4520 Some((CursorPopoverType::EditPrediction, element, size))
4521 })
4522 } else {
4523 None
4524 };
4525 vec![edit_prediction, context_menu]
4526 .into_iter()
4527 .flatten()
4528 .collect::<Vec<_>>()
4529 },
4530 )?;
4531
4532 let (menu_ix, (_, menu_bounds)) = laid_out_popovers
4533 .iter()
4534 .find_position(|(x, _)| matches!(x, CursorPopoverType::CodeContextMenu))?;
4535 let last_ix = laid_out_popovers.len() - 1;
4536 let menu_is_last = menu_ix == last_ix;
4537 let first_popover_bounds = laid_out_popovers[0].1;
4538 let last_popover_bounds = laid_out_popovers[last_ix].1;
4539
4540 // Bounds to layout the aside around. When y_flipped, the aside goes either above or to the
4541 // right, and otherwise it goes below or to the right.
4542 let mut target_bounds = Bounds::from_corners(
4543 first_popover_bounds.origin,
4544 last_popover_bounds.bottom_right(),
4545 );
4546 target_bounds.size.width = menu_bounds.size.width;
4547
4548 // Like `target_bounds`, but with the max height it could occupy. Choosing an aside position
4549 // based on this is preferred for layout stability.
4550 let mut max_target_bounds = target_bounds;
4551 max_target_bounds.size.height = max_height;
4552 if y_flipped {
4553 max_target_bounds.origin.y -= max_height - target_bounds.size.height;
4554 }
4555
4556 // Add spacing around `target_bounds` and `max_target_bounds`.
4557 let mut extend_amount = Edges::all(MENU_GAP);
4558 if y_flipped {
4559 extend_amount.bottom = line_height;
4560 } else {
4561 extend_amount.top = line_height;
4562 }
4563 let target_bounds = target_bounds.extend(extend_amount);
4564 let max_target_bounds = max_target_bounds.extend(extend_amount);
4565
4566 let must_place_above_or_below =
4567 if y_flipped && !menu_is_last && menu_bounds.size.height < max_menu_height {
4568 laid_out_popovers[menu_ix + 1..]
4569 .iter()
4570 .any(|(_, popover_bounds)| popover_bounds.size.width > menu_bounds.size.width)
4571 } else {
4572 false
4573 };
4574
4575 let aside_bounds = self.layout_context_menu_aside(
4576 y_flipped,
4577 *menu_bounds,
4578 target_bounds,
4579 max_target_bounds,
4580 max_menu_height,
4581 must_place_above_or_below,
4582 text_hitbox,
4583 viewport_bounds,
4584 window,
4585 cx,
4586 );
4587
4588 if let Some(menu_bounds) = laid_out_popovers.iter().find_map(|(popover_type, bounds)| {
4589 if matches!(popover_type, CursorPopoverType::CodeContextMenu) {
4590 Some(*bounds)
4591 } else {
4592 None
4593 }
4594 }) {
4595 let bounds = if let Some(aside_bounds) = aside_bounds {
4596 menu_bounds.union(&aside_bounds)
4597 } else {
4598 menu_bounds
4599 };
4600 return Some(ContextMenuLayout { y_flipped, bounds });
4601 }
4602
4603 None
4604 }
4605
4606 fn layout_gutter_menu(
4607 &self,
4608 line_height: Pixels,
4609 text_hitbox: &Hitbox,
4610 content_origin: gpui::Point<Pixels>,
4611 right_margin: Pixels,
4612 scroll_pixel_position: gpui::Point<Pixels>,
4613 gutter_overshoot: Pixels,
4614 window: &mut Window,
4615 cx: &mut App,
4616 ) {
4617 let editor = self.editor.read(cx);
4618 if !editor.context_menu_visible() {
4619 return;
4620 }
4621 let Some(crate::ContextMenuOrigin::GutterIndicator(gutter_row)) =
4622 editor.context_menu_origin()
4623 else {
4624 return;
4625 };
4626 // Context menu was spawned via a click on a gutter. Ensure it's a bit closer to the
4627 // indicator than just a plain first column of the text field.
4628 let target_position = content_origin
4629 + gpui::Point {
4630 x: -gutter_overshoot,
4631 y: gutter_row.next_row().as_f32() * line_height - scroll_pixel_position.y,
4632 };
4633
4634 let (min_height_in_lines, max_height_in_lines) = editor
4635 .context_menu_options
4636 .as_ref()
4637 .map_or((3, 12), |options| {
4638 (options.min_entries_visible, options.max_entries_visible)
4639 });
4640
4641 let min_height = line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4642 let max_height = line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4643 let viewport_bounds =
4644 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4645 right: -right_margin - MENU_GAP,
4646 ..Default::default()
4647 });
4648 self.layout_popovers_above_or_below_line(
4649 target_position,
4650 line_height,
4651 min_height,
4652 max_height,
4653 editor
4654 .context_menu_options
4655 .as_ref()
4656 .and_then(|options| options.placement.clone()),
4657 text_hitbox,
4658 viewport_bounds,
4659 window,
4660 cx,
4661 move |height, _max_width_for_stable_x, _, window, cx| {
4662 let mut element = self
4663 .render_context_menu(line_height, height, window, cx)
4664 .expect("Visible context menu should always render.");
4665 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4666 vec![(CursorPopoverType::CodeContextMenu, element, size)]
4667 },
4668 );
4669 }
4670
4671 fn layout_popovers_above_or_below_line(
4672 &self,
4673 target_position: gpui::Point<Pixels>,
4674 line_height: Pixels,
4675 min_height: Pixels,
4676 max_height: Pixels,
4677 placement: Option<ContextMenuPlacement>,
4678 text_hitbox: &Hitbox,
4679 viewport_bounds: Bounds<Pixels>,
4680 window: &mut Window,
4681 cx: &mut App,
4682 make_sized_popovers: impl FnOnce(
4683 Pixels,
4684 Pixels,
4685 bool,
4686 &mut Window,
4687 &mut App,
4688 ) -> Vec<(CursorPopoverType, AnyElement, Size<Pixels>)>,
4689 ) -> Option<(Vec<(CursorPopoverType, Bounds<Pixels>)>, bool)> {
4690 let text_style = TextStyleRefinement {
4691 line_height: Some(DefiniteLength::Fraction(
4692 BufferLineHeight::Comfortable.value(),
4693 )),
4694 ..Default::default()
4695 };
4696 window.with_text_style(Some(text_style), |window| {
4697 // If the max height won't fit below and there is more space above, put it above the line.
4698 let bottom_y_when_flipped = target_position.y - line_height;
4699 let available_above = bottom_y_when_flipped - text_hitbox.top();
4700 let available_below = text_hitbox.bottom() - target_position.y;
4701 let y_overflows_below = max_height > available_below;
4702 let mut y_flipped = match placement {
4703 Some(ContextMenuPlacement::Above) => true,
4704 Some(ContextMenuPlacement::Below) => false,
4705 None => y_overflows_below && available_above > available_below,
4706 };
4707 let mut height = cmp::min(
4708 max_height,
4709 if y_flipped {
4710 available_above
4711 } else {
4712 available_below
4713 },
4714 );
4715
4716 // If the min height doesn't fit within text bounds, instead fit within the window.
4717 if height < min_height {
4718 let available_above = bottom_y_when_flipped;
4719 let available_below = viewport_bounds.bottom() - target_position.y;
4720 let (y_flipped_override, height_override) = match placement {
4721 Some(ContextMenuPlacement::Above) => {
4722 (true, cmp::min(available_above, min_height))
4723 }
4724 Some(ContextMenuPlacement::Below) => {
4725 (false, cmp::min(available_below, min_height))
4726 }
4727 None => {
4728 if available_below > min_height {
4729 (false, min_height)
4730 } else if available_above > min_height {
4731 (true, min_height)
4732 } else if available_above > available_below {
4733 (true, available_above)
4734 } else {
4735 (false, available_below)
4736 }
4737 }
4738 };
4739 y_flipped = y_flipped_override;
4740 height = height_override;
4741 }
4742
4743 let max_width_for_stable_x = viewport_bounds.right() - target_position.x;
4744
4745 // TODO: Use viewport_bounds.width as a max width so that it doesn't get clipped on the left
4746 // for very narrow windows.
4747 let popovers =
4748 make_sized_popovers(height, max_width_for_stable_x, y_flipped, window, cx);
4749 if popovers.is_empty() {
4750 return None;
4751 }
4752
4753 let max_width = popovers
4754 .iter()
4755 .map(|(_, _, size)| size.width)
4756 .max()
4757 .unwrap_or_default();
4758
4759 let mut current_position = gpui::Point {
4760 // Snap the right edge of the list to the right edge of the window if its horizontal bounds
4761 // overflow. Include space for the scrollbar.
4762 x: target_position
4763 .x
4764 .min((viewport_bounds.right() - max_width).max(Pixels::ZERO)),
4765 y: if y_flipped {
4766 bottom_y_when_flipped
4767 } else {
4768 target_position.y
4769 },
4770 };
4771
4772 let mut laid_out_popovers = popovers
4773 .into_iter()
4774 .map(|(popover_type, element, size)| {
4775 if y_flipped {
4776 current_position.y -= size.height;
4777 }
4778 let position = current_position;
4779 window.defer_draw(element, current_position, 1);
4780 if !y_flipped {
4781 current_position.y += size.height + MENU_GAP;
4782 } else {
4783 current_position.y -= MENU_GAP;
4784 }
4785 (popover_type, Bounds::new(position, size))
4786 })
4787 .collect::<Vec<_>>();
4788
4789 if y_flipped {
4790 laid_out_popovers.reverse();
4791 }
4792
4793 Some((laid_out_popovers, y_flipped))
4794 })
4795 }
4796
4797 fn layout_context_menu_aside(
4798 &self,
4799 y_flipped: bool,
4800 menu_bounds: Bounds<Pixels>,
4801 target_bounds: Bounds<Pixels>,
4802 max_target_bounds: Bounds<Pixels>,
4803 max_height: Pixels,
4804 must_place_above_or_below: bool,
4805 text_hitbox: &Hitbox,
4806 viewport_bounds: Bounds<Pixels>,
4807 window: &mut Window,
4808 cx: &mut App,
4809 ) -> Option<Bounds<Pixels>> {
4810 let available_within_viewport = target_bounds.space_within(&viewport_bounds);
4811 let positioned_aside = if available_within_viewport.right >= MENU_ASIDE_MIN_WIDTH
4812 && !must_place_above_or_below
4813 {
4814 let max_width = cmp::min(
4815 available_within_viewport.right - px(1.),
4816 MENU_ASIDE_MAX_WIDTH,
4817 );
4818 let mut aside = self.render_context_menu_aside(
4819 size(max_width, max_height - POPOVER_Y_PADDING),
4820 window,
4821 cx,
4822 )?;
4823 let size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4824 let right_position = point(target_bounds.right(), menu_bounds.origin.y);
4825 Some((aside, right_position, size))
4826 } else {
4827 let max_size = size(
4828 // TODO(mgsloan): Once the menu is bounded by viewport width the bound on viewport
4829 // won't be needed here.
4830 cmp::min(
4831 cmp::max(menu_bounds.size.width - px(2.), MENU_ASIDE_MIN_WIDTH),
4832 viewport_bounds.right(),
4833 ),
4834 cmp::min(
4835 max_height,
4836 cmp::max(
4837 available_within_viewport.top,
4838 available_within_viewport.bottom,
4839 ),
4840 ) - POPOVER_Y_PADDING,
4841 );
4842 let mut aside = self.render_context_menu_aside(max_size, window, cx)?;
4843 let actual_size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4844
4845 let top_position = point(
4846 menu_bounds.origin.x,
4847 target_bounds.top() - actual_size.height,
4848 );
4849 let bottom_position = point(menu_bounds.origin.x, target_bounds.bottom());
4850
4851 let fit_within = |available: Edges<Pixels>, wanted: Size<Pixels>| {
4852 // Prefer to fit on the same side of the line as the menu, then on the other side of
4853 // the line.
4854 if !y_flipped && wanted.height < available.bottom {
4855 Some(bottom_position)
4856 } else if !y_flipped && wanted.height < available.top {
4857 Some(top_position)
4858 } else if y_flipped && wanted.height < available.top {
4859 Some(top_position)
4860 } else if y_flipped && wanted.height < available.bottom {
4861 Some(bottom_position)
4862 } else {
4863 None
4864 }
4865 };
4866
4867 // Prefer choosing a direction using max sizes rather than actual size for stability.
4868 let available_within_text = max_target_bounds.space_within(&text_hitbox.bounds);
4869 let wanted = size(MENU_ASIDE_MAX_WIDTH, max_height);
4870 let aside_position = fit_within(available_within_text, wanted)
4871 // Fallback: fit max size in window.
4872 .or_else(|| fit_within(max_target_bounds.space_within(&viewport_bounds), wanted))
4873 // Fallback: fit actual size in window.
4874 .or_else(|| fit_within(available_within_viewport, actual_size));
4875
4876 aside_position.map(|position| (aside, position, actual_size))
4877 };
4878
4879 // Skip drawing if it doesn't fit anywhere.
4880 if let Some((aside, position, size)) = positioned_aside {
4881 let aside_bounds = Bounds::new(position, size);
4882 window.defer_draw(aside, position, 2);
4883 return Some(aside_bounds);
4884 }
4885
4886 None
4887 }
4888
4889 fn render_context_menu(
4890 &self,
4891 line_height: Pixels,
4892 height: Pixels,
4893 window: &mut Window,
4894 cx: &mut App,
4895 ) -> Option<AnyElement> {
4896 let max_height_in_lines = ((height - POPOVER_Y_PADDING) / line_height).floor() as u32;
4897 self.editor.update(cx, |editor, cx| {
4898 editor.render_context_menu(&self.style, max_height_in_lines, window, cx)
4899 })
4900 }
4901
4902 fn render_context_menu_aside(
4903 &self,
4904 max_size: Size<Pixels>,
4905 window: &mut Window,
4906 cx: &mut App,
4907 ) -> Option<AnyElement> {
4908 if max_size.width < px(100.) || max_size.height < px(12.) {
4909 None
4910 } else {
4911 self.editor.update(cx, |editor, cx| {
4912 editor.render_context_menu_aside(max_size, window, cx)
4913 })
4914 }
4915 }
4916
4917 fn layout_mouse_context_menu(
4918 &self,
4919 editor_snapshot: &EditorSnapshot,
4920 visible_range: Range<DisplayRow>,
4921 content_origin: gpui::Point<Pixels>,
4922 window: &mut Window,
4923 cx: &mut App,
4924 ) -> Option<AnyElement> {
4925 let position = self.editor.update(cx, |editor, _cx| {
4926 let visible_start_point = editor.display_to_pixel_point(
4927 DisplayPoint::new(visible_range.start, 0),
4928 editor_snapshot,
4929 window,
4930 )?;
4931 let visible_end_point = editor.display_to_pixel_point(
4932 DisplayPoint::new(visible_range.end, 0),
4933 editor_snapshot,
4934 window,
4935 )?;
4936
4937 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
4938 let (source_display_point, position) = match mouse_context_menu.position {
4939 MenuPosition::PinnedToScreen(point) => (None, point),
4940 MenuPosition::PinnedToEditor { source, offset } => {
4941 let source_display_point = source.to_display_point(editor_snapshot);
4942 let source_point = editor.to_pixel_point(source, editor_snapshot, window)?;
4943 let position = content_origin + source_point + offset;
4944 (Some(source_display_point), position)
4945 }
4946 };
4947
4948 let source_included = source_display_point.is_none_or(|source_display_point| {
4949 visible_range
4950 .to_inclusive()
4951 .contains(&source_display_point.row())
4952 });
4953 let position_included =
4954 visible_start_point.y <= position.y && position.y <= visible_end_point.y;
4955 if !source_included && !position_included {
4956 None
4957 } else {
4958 Some(position)
4959 }
4960 })?;
4961
4962 let text_style = TextStyleRefinement {
4963 line_height: Some(DefiniteLength::Fraction(
4964 BufferLineHeight::Comfortable.value(),
4965 )),
4966 ..Default::default()
4967 };
4968 window.with_text_style(Some(text_style), |window| {
4969 let mut element = self.editor.read_with(cx, |editor, _| {
4970 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
4971 let context_menu = mouse_context_menu.context_menu.clone();
4972
4973 Some(
4974 deferred(
4975 anchored()
4976 .position(position)
4977 .child(context_menu)
4978 .anchor(Corner::TopLeft)
4979 .snap_to_window_with_margin(px(8.)),
4980 )
4981 .with_priority(1)
4982 .into_any(),
4983 )
4984 })?;
4985
4986 element.prepaint_as_root(position, AvailableSpace::min_size(), window, cx);
4987 Some(element)
4988 })
4989 }
4990
4991 fn layout_hover_popovers(
4992 &self,
4993 snapshot: &EditorSnapshot,
4994 hitbox: &Hitbox,
4995 visible_display_row_range: Range<DisplayRow>,
4996 content_origin: gpui::Point<Pixels>,
4997 scroll_pixel_position: gpui::Point<Pixels>,
4998 line_layouts: &[LineWithInvisibles],
4999 line_height: Pixels,
5000 em_width: Pixels,
5001 context_menu_layout: Option<ContextMenuLayout>,
5002 window: &mut Window,
5003 cx: &mut App,
5004 ) {
5005 struct MeasuredHoverPopover {
5006 element: AnyElement,
5007 size: Size<Pixels>,
5008 horizontal_offset: Pixels,
5009 }
5010
5011 let max_size = size(
5012 (120. * em_width) // Default size
5013 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5014 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5015 (16. * line_height) // Default size
5016 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5017 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5018 );
5019
5020 let hover_popovers = self.editor.update(cx, |editor, cx| {
5021 editor.hover_state.render(
5022 snapshot,
5023 visible_display_row_range.clone(),
5024 max_size,
5025 window,
5026 cx,
5027 )
5028 });
5029 let Some((position, hover_popovers)) = hover_popovers else {
5030 return;
5031 };
5032
5033 // This is safe because we check on layout whether the required row is available
5034 let hovered_row_layout =
5035 &line_layouts[position.row().minus(visible_display_row_range.start) as usize];
5036
5037 // Compute Hovered Point
5038 let x =
5039 hovered_row_layout.x_for_index(position.column() as usize) - scroll_pixel_position.x;
5040 let y = position.row().as_f32() * line_height - scroll_pixel_position.y;
5041 let hovered_point = content_origin + point(x, y);
5042
5043 let mut overall_height = Pixels::ZERO;
5044 let mut measured_hover_popovers = Vec::new();
5045 for (position, mut hover_popover) in hover_popovers.into_iter().with_position() {
5046 let size = hover_popover.layout_as_root(AvailableSpace::min_size(), window, cx);
5047 let horizontal_offset =
5048 (hitbox.top_right().x - POPOVER_RIGHT_OFFSET - (hovered_point.x + size.width))
5049 .min(Pixels::ZERO);
5050 match position {
5051 itertools::Position::Middle | itertools::Position::Last => {
5052 overall_height += HOVER_POPOVER_GAP
5053 }
5054 _ => {}
5055 }
5056 overall_height += size.height;
5057 measured_hover_popovers.push(MeasuredHoverPopover {
5058 element: hover_popover,
5059 size,
5060 horizontal_offset,
5061 });
5062 }
5063
5064 fn draw_occluder(
5065 width: Pixels,
5066 origin: gpui::Point<Pixels>,
5067 window: &mut Window,
5068 cx: &mut App,
5069 ) {
5070 let mut occlusion = div()
5071 .size_full()
5072 .occlude()
5073 .on_mouse_move(|_, _, cx| cx.stop_propagation())
5074 .into_any_element();
5075 occlusion.layout_as_root(size(width, HOVER_POPOVER_GAP).into(), window, cx);
5076 window.defer_draw(occlusion, origin, 2);
5077 }
5078
5079 fn place_popovers_above(
5080 hovered_point: gpui::Point<Pixels>,
5081 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5082 window: &mut Window,
5083 cx: &mut App,
5084 ) {
5085 let mut current_y = hovered_point.y;
5086 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5087 let size = popover.size;
5088 let popover_origin = point(
5089 hovered_point.x + popover.horizontal_offset,
5090 current_y - size.height,
5091 );
5092
5093 window.defer_draw(popover.element, popover_origin, 2);
5094 if position != itertools::Position::Last {
5095 let origin = point(popover_origin.x, popover_origin.y - HOVER_POPOVER_GAP);
5096 draw_occluder(size.width, origin, window, cx);
5097 }
5098
5099 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5100 }
5101 }
5102
5103 fn place_popovers_below(
5104 hovered_point: gpui::Point<Pixels>,
5105 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5106 line_height: Pixels,
5107 window: &mut Window,
5108 cx: &mut App,
5109 ) {
5110 let mut current_y = hovered_point.y + line_height;
5111 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5112 let size = popover.size;
5113 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5114
5115 window.defer_draw(popover.element, popover_origin, 2);
5116 if position != itertools::Position::Last {
5117 let origin = point(popover_origin.x, popover_origin.y + size.height);
5118 draw_occluder(size.width, origin, window, cx);
5119 }
5120
5121 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5122 }
5123 }
5124
5125 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5126 context_menu_layout
5127 .as_ref()
5128 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5129 };
5130
5131 let can_place_above = {
5132 let mut bounds_above = Vec::new();
5133 let mut current_y = hovered_point.y;
5134 for popover in &measured_hover_popovers {
5135 let size = popover.size;
5136 let popover_origin = point(
5137 hovered_point.x + popover.horizontal_offset,
5138 current_y - size.height,
5139 );
5140 bounds_above.push(Bounds::new(popover_origin, size));
5141 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5142 }
5143 bounds_above
5144 .iter()
5145 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5146 };
5147
5148 let can_place_below = || {
5149 let mut bounds_below = Vec::new();
5150 let mut current_y = hovered_point.y + line_height;
5151 for popover in &measured_hover_popovers {
5152 let size = popover.size;
5153 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5154 bounds_below.push(Bounds::new(popover_origin, size));
5155 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5156 }
5157 bounds_below
5158 .iter()
5159 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5160 };
5161
5162 if can_place_above {
5163 // try placing above hovered point
5164 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5165 } else if can_place_below() {
5166 // try placing below hovered point
5167 place_popovers_below(
5168 hovered_point,
5169 measured_hover_popovers,
5170 line_height,
5171 window,
5172 cx,
5173 );
5174 } else {
5175 // try to place popovers around the context menu
5176 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5177 let total_width = measured_hover_popovers
5178 .iter()
5179 .map(|p| p.size.width)
5180 .max()
5181 .unwrap_or(Pixels::ZERO);
5182 let y_for_horizontal_positioning = if menu.y_flipped {
5183 menu.bounds.bottom() - overall_height
5184 } else {
5185 menu.bounds.top()
5186 };
5187 let possible_origins = vec![
5188 // left of context menu
5189 point(
5190 menu.bounds.left() - total_width - HOVER_POPOVER_GAP,
5191 y_for_horizontal_positioning,
5192 ),
5193 // right of context menu
5194 point(
5195 menu.bounds.right() + HOVER_POPOVER_GAP,
5196 y_for_horizontal_positioning,
5197 ),
5198 // top of context menu
5199 point(
5200 menu.bounds.left(),
5201 menu.bounds.top() - overall_height - HOVER_POPOVER_GAP,
5202 ),
5203 // bottom of context menu
5204 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5205 ];
5206 possible_origins.into_iter().find(|&origin| {
5207 Bounds::new(origin, size(total_width, overall_height))
5208 .is_contained_within(hitbox)
5209 })
5210 });
5211 if let Some(origin) = origin_surrounding_menu {
5212 let mut current_y = origin.y;
5213 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5214 let size = popover.size;
5215 let popover_origin = point(origin.x, current_y);
5216
5217 window.defer_draw(popover.element, popover_origin, 2);
5218 if position != itertools::Position::Last {
5219 let origin = point(popover_origin.x, popover_origin.y + size.height);
5220 draw_occluder(size.width, origin, window, cx);
5221 }
5222
5223 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5224 }
5225 } else {
5226 // fallback to existing above/below cursor logic
5227 // this might overlap menu or overflow in rare case
5228 if can_place_above {
5229 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5230 } else {
5231 place_popovers_below(
5232 hovered_point,
5233 measured_hover_popovers,
5234 line_height,
5235 window,
5236 cx,
5237 );
5238 }
5239 }
5240 }
5241 }
5242
5243 fn layout_diff_hunk_controls(
5244 &self,
5245 row_range: Range<DisplayRow>,
5246 row_infos: &[RowInfo],
5247 text_hitbox: &Hitbox,
5248 newest_cursor_position: Option<DisplayPoint>,
5249 line_height: Pixels,
5250 right_margin: Pixels,
5251 scroll_pixel_position: gpui::Point<Pixels>,
5252 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
5253 highlighted_rows: &BTreeMap<DisplayRow, LineHighlight>,
5254 editor: Entity<Editor>,
5255 window: &mut Window,
5256 cx: &mut App,
5257 ) -> (Vec<AnyElement>, Vec<(DisplayRow, Bounds<Pixels>)>) {
5258 let render_diff_hunk_controls = editor.read(cx).render_diff_hunk_controls.clone();
5259 let hovered_diff_hunk_row = editor.read(cx).hovered_diff_hunk_row;
5260
5261 let mut controls = vec![];
5262 let mut control_bounds = vec![];
5263
5264 let active_positions = [
5265 hovered_diff_hunk_row.map(|row| DisplayPoint::new(row, 0)),
5266 newest_cursor_position,
5267 ];
5268
5269 for (hunk, _) in display_hunks {
5270 if let DisplayDiffHunk::Unfolded {
5271 display_row_range,
5272 multi_buffer_range,
5273 status,
5274 is_created_file,
5275 ..
5276 } = &hunk
5277 {
5278 if display_row_range.start < row_range.start
5279 || display_row_range.start >= row_range.end
5280 {
5281 continue;
5282 }
5283 if highlighted_rows
5284 .get(&display_row_range.start)
5285 .and_then(|highlight| highlight.type_id)
5286 .is_some_and(|type_id| {
5287 [
5288 TypeId::of::<ConflictsOuter>(),
5289 TypeId::of::<ConflictsOursMarker>(),
5290 TypeId::of::<ConflictsOurs>(),
5291 TypeId::of::<ConflictsTheirs>(),
5292 TypeId::of::<ConflictsTheirsMarker>(),
5293 ]
5294 .contains(&type_id)
5295 })
5296 {
5297 continue;
5298 }
5299 let row_ix = (display_row_range.start - row_range.start).0 as usize;
5300 if row_infos[row_ix].diff_status.is_none() {
5301 continue;
5302 }
5303 if row_infos[row_ix]
5304 .diff_status
5305 .is_some_and(|status| status.is_added())
5306 && !status.is_added()
5307 {
5308 continue;
5309 }
5310
5311 if active_positions
5312 .iter()
5313 .any(|p| p.is_some_and(|p| display_row_range.contains(&p.row())))
5314 {
5315 let y = display_row_range.start.as_f32() * line_height
5316 + text_hitbox.bounds.top()
5317 - scroll_pixel_position.y;
5318
5319 let mut element = render_diff_hunk_controls(
5320 display_row_range.start.0,
5321 status,
5322 multi_buffer_range.clone(),
5323 *is_created_file,
5324 line_height,
5325 &editor,
5326 window,
5327 cx,
5328 );
5329 let size =
5330 element.layout_as_root(size(px(100.0), line_height).into(), window, cx);
5331
5332 let x = text_hitbox.bounds.right() - right_margin - px(10.) - size.width;
5333
5334 let bounds = Bounds::new(gpui::Point::new(x, y), size);
5335 control_bounds.push((display_row_range.start, bounds));
5336
5337 window.with_absolute_element_offset(gpui::Point::new(x, y), |window| {
5338 element.prepaint(window, cx)
5339 });
5340 controls.push(element);
5341 }
5342 }
5343 }
5344
5345 (controls, control_bounds)
5346 }
5347
5348 fn layout_signature_help(
5349 &self,
5350 hitbox: &Hitbox,
5351 content_origin: gpui::Point<Pixels>,
5352 scroll_pixel_position: gpui::Point<Pixels>,
5353 newest_selection_head: Option<DisplayPoint>,
5354 start_row: DisplayRow,
5355 line_layouts: &[LineWithInvisibles],
5356 line_height: Pixels,
5357 em_width: Pixels,
5358 context_menu_layout: Option<ContextMenuLayout>,
5359 window: &mut Window,
5360 cx: &mut App,
5361 ) {
5362 if !self.editor.focus_handle(cx).is_focused(window) {
5363 return;
5364 }
5365 let Some(newest_selection_head) = newest_selection_head else {
5366 return;
5367 };
5368
5369 let max_size = size(
5370 (120. * em_width) // Default size
5371 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5372 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5373 (16. * line_height) // Default size
5374 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5375 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5376 );
5377
5378 let maybe_element = self.editor.update(cx, |editor, cx| {
5379 if let Some(popover) = editor.signature_help_state.popover_mut() {
5380 let element = popover.render(max_size, window, cx);
5381 Some(element)
5382 } else {
5383 None
5384 }
5385 });
5386 let Some(mut element) = maybe_element else {
5387 return;
5388 };
5389
5390 let selection_row = newest_selection_head.row();
5391 let Some(cursor_row_layout) = (selection_row >= start_row)
5392 .then(|| line_layouts.get(selection_row.minus(start_row) as usize))
5393 .flatten()
5394 else {
5395 return;
5396 };
5397
5398 let target_x = cursor_row_layout.x_for_index(newest_selection_head.column() as usize)
5399 - scroll_pixel_position.x;
5400 let target_y = selection_row.as_f32() * line_height - scroll_pixel_position.y;
5401 let target_point = content_origin + point(target_x, target_y);
5402
5403 let actual_size = element.layout_as_root(Size::<AvailableSpace>::default(), window, cx);
5404
5405 let (popover_bounds_above, popover_bounds_below) = {
5406 let horizontal_offset = (hitbox.top_right().x
5407 - POPOVER_RIGHT_OFFSET
5408 - (target_point.x + actual_size.width))
5409 .min(Pixels::ZERO);
5410 let initial_x = target_point.x + horizontal_offset;
5411 (
5412 Bounds::new(
5413 point(initial_x, target_point.y - actual_size.height),
5414 actual_size,
5415 ),
5416 Bounds::new(
5417 point(initial_x, target_point.y + line_height + HOVER_POPOVER_GAP),
5418 actual_size,
5419 ),
5420 )
5421 };
5422
5423 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5424 context_menu_layout
5425 .as_ref()
5426 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5427 };
5428
5429 let final_origin = if popover_bounds_above.is_contained_within(hitbox)
5430 && !intersects_menu(popover_bounds_above)
5431 {
5432 // try placing above cursor
5433 popover_bounds_above.origin
5434 } else if popover_bounds_below.is_contained_within(hitbox)
5435 && !intersects_menu(popover_bounds_below)
5436 {
5437 // try placing below cursor
5438 popover_bounds_below.origin
5439 } else {
5440 // try surrounding context menu if exists
5441 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5442 let y_for_horizontal_positioning = if menu.y_flipped {
5443 menu.bounds.bottom() - actual_size.height
5444 } else {
5445 menu.bounds.top()
5446 };
5447 let possible_origins = vec![
5448 // left of context menu
5449 point(
5450 menu.bounds.left() - actual_size.width - HOVER_POPOVER_GAP,
5451 y_for_horizontal_positioning,
5452 ),
5453 // right of context menu
5454 point(
5455 menu.bounds.right() + HOVER_POPOVER_GAP,
5456 y_for_horizontal_positioning,
5457 ),
5458 // top of context menu
5459 point(
5460 menu.bounds.left(),
5461 menu.bounds.top() - actual_size.height - HOVER_POPOVER_GAP,
5462 ),
5463 // bottom of context menu
5464 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5465 ];
5466 possible_origins
5467 .into_iter()
5468 .find(|&origin| Bounds::new(origin, actual_size).is_contained_within(hitbox))
5469 });
5470 origin_surrounding_menu.unwrap_or_else(|| {
5471 // fallback to existing above/below cursor logic
5472 // this might overlap menu or overflow in rare case
5473 if popover_bounds_above.is_contained_within(hitbox) {
5474 popover_bounds_above.origin
5475 } else {
5476 popover_bounds_below.origin
5477 }
5478 })
5479 };
5480
5481 window.defer_draw(element, final_origin, 2);
5482 }
5483
5484 fn paint_background(&self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
5485 window.paint_layer(layout.hitbox.bounds, |window| {
5486 let scroll_top = layout.position_map.snapshot.scroll_position().y;
5487 let gutter_bg = cx.theme().colors().editor_gutter_background;
5488 window.paint_quad(fill(layout.gutter_hitbox.bounds, gutter_bg));
5489 window.paint_quad(fill(
5490 layout.position_map.text_hitbox.bounds,
5491 self.style.background,
5492 ));
5493
5494 if matches!(
5495 layout.mode,
5496 EditorMode::Full { .. } | EditorMode::Minimap { .. }
5497 ) {
5498 let show_active_line_background = match layout.mode {
5499 EditorMode::Full {
5500 show_active_line_background,
5501 ..
5502 } => show_active_line_background,
5503 EditorMode::Minimap { .. } => true,
5504 _ => false,
5505 };
5506 let mut active_rows = layout.active_rows.iter().peekable();
5507 while let Some((start_row, contains_non_empty_selection)) = active_rows.next() {
5508 let mut end_row = start_row.0;
5509 while active_rows
5510 .peek()
5511 .is_some_and(|(active_row, has_selection)| {
5512 active_row.0 == end_row + 1
5513 && has_selection.selection == contains_non_empty_selection.selection
5514 })
5515 {
5516 active_rows.next().unwrap();
5517 end_row += 1;
5518 }
5519
5520 if show_active_line_background && !contains_non_empty_selection.selection {
5521 let highlight_h_range =
5522 match layout.position_map.snapshot.current_line_highlight {
5523 CurrentLineHighlight::Gutter => Some(Range {
5524 start: layout.hitbox.left(),
5525 end: layout.gutter_hitbox.right(),
5526 }),
5527 CurrentLineHighlight::Line => Some(Range {
5528 start: layout.position_map.text_hitbox.bounds.left(),
5529 end: layout.position_map.text_hitbox.bounds.right(),
5530 }),
5531 CurrentLineHighlight::All => Some(Range {
5532 start: layout.hitbox.left(),
5533 end: layout.hitbox.right(),
5534 }),
5535 CurrentLineHighlight::None => None,
5536 };
5537 if let Some(range) = highlight_h_range {
5538 let active_line_bg = cx.theme().colors().editor_active_line_background;
5539 let bounds = Bounds {
5540 origin: point(
5541 range.start,
5542 layout.hitbox.origin.y
5543 + (start_row.as_f32() - scroll_top)
5544 * layout.position_map.line_height,
5545 ),
5546 size: size(
5547 range.end - range.start,
5548 layout.position_map.line_height
5549 * (end_row - start_row.0 + 1) as f32,
5550 ),
5551 };
5552 window.paint_quad(fill(bounds, active_line_bg));
5553 }
5554 }
5555 }
5556
5557 let mut paint_highlight = |highlight_row_start: DisplayRow,
5558 highlight_row_end: DisplayRow,
5559 highlight: crate::LineHighlight,
5560 edges| {
5561 let mut origin_x = layout.hitbox.left();
5562 let mut width = layout.hitbox.size.width;
5563 if !highlight.include_gutter {
5564 origin_x += layout.gutter_hitbox.size.width;
5565 width -= layout.gutter_hitbox.size.width;
5566 }
5567
5568 let origin = point(
5569 origin_x,
5570 layout.hitbox.origin.y
5571 + (highlight_row_start.as_f32() - scroll_top)
5572 * layout.position_map.line_height,
5573 );
5574 let size = size(
5575 width,
5576 layout.position_map.line_height
5577 * highlight_row_end.next_row().minus(highlight_row_start) as f32,
5578 );
5579 let mut quad = fill(Bounds { origin, size }, highlight.background);
5580 if let Some(border_color) = highlight.border {
5581 quad.border_color = border_color;
5582 quad.border_widths = edges
5583 }
5584 window.paint_quad(quad);
5585 };
5586
5587 let mut current_paint: Option<(LineHighlight, Range<DisplayRow>, Edges<Pixels>)> =
5588 None;
5589 for (&new_row, &new_background) in &layout.highlighted_rows {
5590 match &mut current_paint {
5591 &mut Some((current_background, ref mut current_range, mut edges)) => {
5592 let new_range_started = current_background != new_background
5593 || current_range.end.next_row() != new_row;
5594 if new_range_started {
5595 if current_range.end.next_row() == new_row {
5596 edges.bottom = px(0.);
5597 };
5598 paint_highlight(
5599 current_range.start,
5600 current_range.end,
5601 current_background,
5602 edges,
5603 );
5604 let edges = Edges {
5605 top: if current_range.end.next_row() != new_row {
5606 px(1.)
5607 } else {
5608 px(0.)
5609 },
5610 bottom: px(1.),
5611 ..Default::default()
5612 };
5613 current_paint = Some((new_background, new_row..new_row, edges));
5614 continue;
5615 } else {
5616 current_range.end = current_range.end.next_row();
5617 }
5618 }
5619 None => {
5620 let edges = Edges {
5621 top: px(1.),
5622 bottom: px(1.),
5623 ..Default::default()
5624 };
5625 current_paint = Some((new_background, new_row..new_row, edges))
5626 }
5627 };
5628 }
5629 if let Some((color, range, edges)) = current_paint {
5630 paint_highlight(range.start, range.end, color, edges);
5631 }
5632
5633 for (guide_x, active) in layout.wrap_guides.iter() {
5634 let color = if *active {
5635 cx.theme().colors().editor_active_wrap_guide
5636 } else {
5637 cx.theme().colors().editor_wrap_guide
5638 };
5639 window.paint_quad(fill(
5640 Bounds {
5641 origin: point(*guide_x, layout.position_map.text_hitbox.origin.y),
5642 size: size(px(1.), layout.position_map.text_hitbox.size.height),
5643 },
5644 color,
5645 ));
5646 }
5647 }
5648 })
5649 }
5650
5651 fn paint_indent_guides(
5652 &mut self,
5653 layout: &mut EditorLayout,
5654 window: &mut Window,
5655 cx: &mut App,
5656 ) {
5657 let Some(indent_guides) = &layout.indent_guides else {
5658 return;
5659 };
5660
5661 let faded_color = |color: Hsla, alpha: f32| {
5662 let mut faded = color;
5663 faded.a = alpha;
5664 faded
5665 };
5666
5667 for indent_guide in indent_guides {
5668 let indent_accent_colors = cx.theme().accents().color_for_index(indent_guide.depth);
5669 let settings = indent_guide.settings;
5670
5671 // TODO fixed for now, expose them through themes later
5672 const INDENT_AWARE_ALPHA: f32 = 0.2;
5673 const INDENT_AWARE_ACTIVE_ALPHA: f32 = 0.4;
5674 const INDENT_AWARE_BACKGROUND_ALPHA: f32 = 0.1;
5675 const INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA: f32 = 0.2;
5676
5677 let line_color = match (settings.coloring, indent_guide.active) {
5678 (IndentGuideColoring::Disabled, _) => None,
5679 (IndentGuideColoring::Fixed, false) => {
5680 Some(cx.theme().colors().editor_indent_guide)
5681 }
5682 (IndentGuideColoring::Fixed, true) => {
5683 Some(cx.theme().colors().editor_indent_guide_active)
5684 }
5685 (IndentGuideColoring::IndentAware, false) => {
5686 Some(faded_color(indent_accent_colors, INDENT_AWARE_ALPHA))
5687 }
5688 (IndentGuideColoring::IndentAware, true) => {
5689 Some(faded_color(indent_accent_colors, INDENT_AWARE_ACTIVE_ALPHA))
5690 }
5691 };
5692
5693 let background_color = match (settings.background_coloring, indent_guide.active) {
5694 (IndentGuideBackgroundColoring::Disabled, _) => None,
5695 (IndentGuideBackgroundColoring::IndentAware, false) => Some(faded_color(
5696 indent_accent_colors,
5697 INDENT_AWARE_BACKGROUND_ALPHA,
5698 )),
5699 (IndentGuideBackgroundColoring::IndentAware, true) => Some(faded_color(
5700 indent_accent_colors,
5701 INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA,
5702 )),
5703 };
5704
5705 let requested_line_width = if indent_guide.active {
5706 settings.active_line_width
5707 } else {
5708 settings.line_width
5709 }
5710 .clamp(1, 10);
5711 let mut line_indicator_width = 0.;
5712 if let Some(color) = line_color {
5713 window.paint_quad(fill(
5714 Bounds {
5715 origin: indent_guide.origin,
5716 size: size(px(requested_line_width as f32), indent_guide.length),
5717 },
5718 color,
5719 ));
5720 line_indicator_width = requested_line_width as f32;
5721 }
5722
5723 if let Some(color) = background_color {
5724 let width = indent_guide.single_indent_width - px(line_indicator_width);
5725 window.paint_quad(fill(
5726 Bounds {
5727 origin: point(
5728 indent_guide.origin.x + px(line_indicator_width),
5729 indent_guide.origin.y,
5730 ),
5731 size: size(width, indent_guide.length),
5732 },
5733 color,
5734 ));
5735 }
5736 }
5737 }
5738
5739 fn paint_line_numbers(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5740 let is_singleton = self.editor.read(cx).is_singleton(cx);
5741
5742 let line_height = layout.position_map.line_height;
5743 window.set_cursor_style(CursorStyle::Arrow, &layout.gutter_hitbox);
5744
5745 for LineNumberLayout {
5746 shaped_line,
5747 hitbox,
5748 } in layout.line_numbers.values()
5749 {
5750 let Some(hitbox) = hitbox else {
5751 continue;
5752 };
5753
5754 let Some(()) = (if !is_singleton && hitbox.is_hovered(window) {
5755 let color = cx.theme().colors().editor_hover_line_number;
5756
5757 let line = self.shape_line_number(shaped_line.text.clone(), color, window);
5758 line.paint(hitbox.origin, line_height, window, cx).log_err()
5759 } else {
5760 shaped_line
5761 .paint(hitbox.origin, line_height, window, cx)
5762 .log_err()
5763 }) else {
5764 continue;
5765 };
5766
5767 // In singleton buffers, we select corresponding lines on the line number click, so use | -like cursor.
5768 // In multi buffers, we open file at the line number clicked, so use a pointing hand cursor.
5769 if is_singleton {
5770 window.set_cursor_style(CursorStyle::IBeam, hitbox);
5771 } else {
5772 window.set_cursor_style(CursorStyle::PointingHand, hitbox);
5773 }
5774 }
5775 }
5776
5777 fn paint_gutter_diff_hunks(layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5778 if layout.display_hunks.is_empty() {
5779 return;
5780 }
5781
5782 let line_height = layout.position_map.line_height;
5783 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5784 for (hunk, hitbox) in &layout.display_hunks {
5785 let hunk_to_paint = match hunk {
5786 DisplayDiffHunk::Folded { .. } => {
5787 let hunk_bounds = Self::diff_hunk_bounds(
5788 &layout.position_map.snapshot,
5789 line_height,
5790 layout.gutter_hitbox.bounds,
5791 hunk,
5792 );
5793 Some((
5794 hunk_bounds,
5795 cx.theme().colors().version_control_modified,
5796 Corners::all(px(0.)),
5797 DiffHunkStatus::modified_none(),
5798 ))
5799 }
5800 DisplayDiffHunk::Unfolded {
5801 status,
5802 display_row_range,
5803 ..
5804 } => hitbox.as_ref().map(|hunk_hitbox| match status.kind {
5805 DiffHunkStatusKind::Added => (
5806 hunk_hitbox.bounds,
5807 cx.theme().colors().version_control_added,
5808 Corners::all(px(0.)),
5809 *status,
5810 ),
5811 DiffHunkStatusKind::Modified => (
5812 hunk_hitbox.bounds,
5813 cx.theme().colors().version_control_modified,
5814 Corners::all(px(0.)),
5815 *status,
5816 ),
5817 DiffHunkStatusKind::Deleted if !display_row_range.is_empty() => (
5818 hunk_hitbox.bounds,
5819 cx.theme().colors().version_control_deleted,
5820 Corners::all(px(0.)),
5821 *status,
5822 ),
5823 DiffHunkStatusKind::Deleted => (
5824 Bounds::new(
5825 point(
5826 hunk_hitbox.origin.x - hunk_hitbox.size.width,
5827 hunk_hitbox.origin.y,
5828 ),
5829 size(hunk_hitbox.size.width * 2., hunk_hitbox.size.height),
5830 ),
5831 cx.theme().colors().version_control_deleted,
5832 Corners::all(1. * line_height),
5833 *status,
5834 ),
5835 }),
5836 };
5837
5838 if let Some((hunk_bounds, background_color, corner_radii, status)) = hunk_to_paint {
5839 // Flatten the background color with the editor color to prevent
5840 // elements below transparent hunks from showing through
5841 let flattened_background_color = cx
5842 .theme()
5843 .colors()
5844 .editor_background
5845 .blend(background_color);
5846
5847 if !Self::diff_hunk_hollow(status, cx) {
5848 window.paint_quad(quad(
5849 hunk_bounds,
5850 corner_radii,
5851 flattened_background_color,
5852 Edges::default(),
5853 transparent_black(),
5854 BorderStyle::default(),
5855 ));
5856 } else {
5857 let flattened_unstaged_background_color = cx
5858 .theme()
5859 .colors()
5860 .editor_background
5861 .blend(background_color.opacity(0.3));
5862
5863 window.paint_quad(quad(
5864 hunk_bounds,
5865 corner_radii,
5866 flattened_unstaged_background_color,
5867 Edges::all(Pixels(1.0)),
5868 flattened_background_color,
5869 BorderStyle::Solid,
5870 ));
5871 }
5872 }
5873 }
5874 });
5875 }
5876
5877 fn gutter_strip_width(line_height: Pixels) -> Pixels {
5878 (0.275 * line_height).floor()
5879 }
5880
5881 fn diff_hunk_bounds(
5882 snapshot: &EditorSnapshot,
5883 line_height: Pixels,
5884 gutter_bounds: Bounds<Pixels>,
5885 hunk: &DisplayDiffHunk,
5886 ) -> Bounds<Pixels> {
5887 let scroll_position = snapshot.scroll_position();
5888 let scroll_top = scroll_position.y * line_height;
5889 let gutter_strip_width = Self::gutter_strip_width(line_height);
5890
5891 match hunk {
5892 DisplayDiffHunk::Folded { display_row, .. } => {
5893 let start_y = display_row.as_f32() * line_height - scroll_top;
5894 let end_y = start_y + line_height;
5895 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
5896 let highlight_size = size(gutter_strip_width, end_y - start_y);
5897 Bounds::new(highlight_origin, highlight_size)
5898 }
5899 DisplayDiffHunk::Unfolded {
5900 display_row_range,
5901 status,
5902 ..
5903 } => {
5904 if status.is_deleted() && display_row_range.is_empty() {
5905 let row = display_row_range.start;
5906
5907 let offset = line_height / 2.;
5908 let start_y = row.as_f32() * line_height - offset - scroll_top;
5909 let end_y = start_y + line_height;
5910
5911 let width = (0.35 * line_height).floor();
5912 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
5913 let highlight_size = size(width, end_y - start_y);
5914 Bounds::new(highlight_origin, highlight_size)
5915 } else {
5916 let start_row = display_row_range.start;
5917 let end_row = display_row_range.end;
5918 // If we're in a multibuffer, row range span might include an
5919 // excerpt header, so if we were to draw the marker straight away,
5920 // the hunk might include the rows of that header.
5921 // Making the range inclusive doesn't quite cut it, as we rely on the exclusivity for the soft wrap.
5922 // Instead, we simply check whether the range we're dealing with includes
5923 // any excerpt headers and if so, we stop painting the diff hunk on the first row of that header.
5924 let end_row_in_current_excerpt = snapshot
5925 .blocks_in_range(start_row..end_row)
5926 .find_map(|(start_row, block)| {
5927 if matches!(
5928 block,
5929 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
5930 ) {
5931 Some(start_row)
5932 } else {
5933 None
5934 }
5935 })
5936 .unwrap_or(end_row);
5937
5938 let start_y = start_row.as_f32() * line_height - scroll_top;
5939 let end_y = end_row_in_current_excerpt.as_f32() * line_height - scroll_top;
5940
5941 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
5942 let highlight_size = size(gutter_strip_width, end_y - start_y);
5943 Bounds::new(highlight_origin, highlight_size)
5944 }
5945 }
5946 }
5947 }
5948
5949 fn paint_gutter_indicators(
5950 &self,
5951 layout: &mut EditorLayout,
5952 window: &mut Window,
5953 cx: &mut App,
5954 ) {
5955 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5956 window.with_element_namespace("crease_toggles", |window| {
5957 for crease_toggle in layout.crease_toggles.iter_mut().flatten() {
5958 crease_toggle.paint(window, cx);
5959 }
5960 });
5961
5962 window.with_element_namespace("expand_toggles", |window| {
5963 for (expand_toggle, _) in layout.expand_toggles.iter_mut().flatten() {
5964 expand_toggle.paint(window, cx);
5965 }
5966 });
5967
5968 for breakpoint in layout.breakpoints.iter_mut() {
5969 breakpoint.paint(window, cx);
5970 }
5971
5972 for test_indicator in layout.test_indicators.iter_mut() {
5973 test_indicator.paint(window, cx);
5974 }
5975 });
5976 }
5977
5978 fn paint_gutter_highlights(
5979 &self,
5980 layout: &mut EditorLayout,
5981 window: &mut Window,
5982 cx: &mut App,
5983 ) {
5984 for (_, hunk_hitbox) in &layout.display_hunks {
5985 if let Some(hunk_hitbox) = hunk_hitbox
5986 && !self
5987 .editor
5988 .read(cx)
5989 .buffer()
5990 .read(cx)
5991 .all_diff_hunks_expanded()
5992 {
5993 window.set_cursor_style(CursorStyle::PointingHand, hunk_hitbox);
5994 }
5995 }
5996
5997 let show_git_gutter = layout
5998 .position_map
5999 .snapshot
6000 .show_git_diff_gutter
6001 .unwrap_or_else(|| {
6002 matches!(
6003 ProjectSettings::get_global(cx).git.git_gutter,
6004 Some(GitGutterSetting::TrackedFiles)
6005 )
6006 });
6007 if show_git_gutter {
6008 Self::paint_gutter_diff_hunks(layout, window, cx)
6009 }
6010
6011 let highlight_width = 0.275 * layout.position_map.line_height;
6012 let highlight_corner_radii = Corners::all(0.05 * layout.position_map.line_height);
6013 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6014 for (range, color) in &layout.highlighted_gutter_ranges {
6015 let start_row = if range.start.row() < layout.visible_display_row_range.start {
6016 layout.visible_display_row_range.start - DisplayRow(1)
6017 } else {
6018 range.start.row()
6019 };
6020 let end_row = if range.end.row() > layout.visible_display_row_range.end {
6021 layout.visible_display_row_range.end + DisplayRow(1)
6022 } else {
6023 range.end.row()
6024 };
6025
6026 let start_y = layout.gutter_hitbox.top()
6027 + start_row.0 as f32 * layout.position_map.line_height
6028 - layout.position_map.scroll_pixel_position.y;
6029 let end_y = layout.gutter_hitbox.top()
6030 + (end_row.0 + 1) as f32 * layout.position_map.line_height
6031 - layout.position_map.scroll_pixel_position.y;
6032 let bounds = Bounds::from_corners(
6033 point(layout.gutter_hitbox.left(), start_y),
6034 point(layout.gutter_hitbox.left() + highlight_width, end_y),
6035 );
6036 window.paint_quad(fill(bounds, *color).corner_radii(highlight_corner_radii));
6037 }
6038 });
6039 }
6040
6041 fn paint_blamed_display_rows(
6042 &self,
6043 layout: &mut EditorLayout,
6044 window: &mut Window,
6045 cx: &mut App,
6046 ) {
6047 let Some(blamed_display_rows) = layout.blamed_display_rows.take() else {
6048 return;
6049 };
6050
6051 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6052 for mut blame_element in blamed_display_rows.into_iter() {
6053 blame_element.paint(window, cx);
6054 }
6055 })
6056 }
6057
6058 fn paint_text(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6059 window.with_content_mask(
6060 Some(ContentMask {
6061 bounds: layout.position_map.text_hitbox.bounds,
6062 }),
6063 |window| {
6064 let editor = self.editor.read(cx);
6065 if editor.mouse_cursor_hidden {
6066 window.set_window_cursor_style(CursorStyle::None);
6067 } else if let SelectionDragState::ReadyToDrag {
6068 mouse_down_time, ..
6069 } = &editor.selection_drag_state
6070 {
6071 let drag_and_drop_delay = Duration::from_millis(
6072 EditorSettings::get_global(cx).drag_and_drop_selection.delay,
6073 );
6074 if mouse_down_time.elapsed() >= drag_and_drop_delay {
6075 window.set_cursor_style(
6076 CursorStyle::DragCopy,
6077 &layout.position_map.text_hitbox,
6078 );
6079 }
6080 } else if matches!(
6081 editor.selection_drag_state,
6082 SelectionDragState::Dragging { .. }
6083 ) {
6084 window
6085 .set_cursor_style(CursorStyle::DragCopy, &layout.position_map.text_hitbox);
6086 } else if editor
6087 .hovered_link_state
6088 .as_ref()
6089 .is_some_and(|hovered_link_state| !hovered_link_state.links.is_empty())
6090 {
6091 window.set_cursor_style(
6092 CursorStyle::PointingHand,
6093 &layout.position_map.text_hitbox,
6094 );
6095 } else {
6096 window.set_cursor_style(CursorStyle::IBeam, &layout.position_map.text_hitbox);
6097 };
6098
6099 self.paint_lines_background(layout, window, cx);
6100 let invisible_display_ranges = self.paint_highlights(layout, window, cx);
6101 self.paint_document_colors(layout, window);
6102 self.paint_lines(&invisible_display_ranges, layout, window, cx);
6103 self.paint_redactions(layout, window);
6104 self.paint_cursors(layout, window, cx);
6105 self.paint_inline_diagnostics(layout, window, cx);
6106 self.paint_inline_blame(layout, window, cx);
6107 self.paint_inline_code_actions(layout, window, cx);
6108 self.paint_diff_hunk_controls(layout, window, cx);
6109 window.with_element_namespace("crease_trailers", |window| {
6110 for trailer in layout.crease_trailers.iter_mut().flatten() {
6111 trailer.element.paint(window, cx);
6112 }
6113 });
6114 },
6115 )
6116 }
6117
6118 fn paint_highlights(
6119 &mut self,
6120 layout: &mut EditorLayout,
6121 window: &mut Window,
6122 cx: &mut App,
6123 ) -> SmallVec<[Range<DisplayPoint>; 32]> {
6124 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6125 let mut invisible_display_ranges = SmallVec::<[Range<DisplayPoint>; 32]>::new();
6126 let line_end_overshoot = 0.15 * layout.position_map.line_height;
6127 for (range, color) in &layout.highlighted_ranges {
6128 self.paint_highlighted_range(
6129 range.clone(),
6130 true,
6131 *color,
6132 Pixels::ZERO,
6133 line_end_overshoot,
6134 layout,
6135 window,
6136 );
6137 }
6138
6139 let corner_radius = if EditorSettings::get_global(cx).rounded_selection {
6140 0.15 * layout.position_map.line_height
6141 } else {
6142 Pixels::ZERO
6143 };
6144
6145 for (player_color, selections) in &layout.selections {
6146 for selection in selections.iter() {
6147 self.paint_highlighted_range(
6148 selection.range.clone(),
6149 true,
6150 player_color.selection,
6151 corner_radius,
6152 corner_radius * 2.,
6153 layout,
6154 window,
6155 );
6156
6157 if selection.is_local && !selection.range.is_empty() {
6158 invisible_display_ranges.push(selection.range.clone());
6159 }
6160 }
6161 }
6162 invisible_display_ranges
6163 })
6164 }
6165
6166 fn paint_lines(
6167 &mut self,
6168 invisible_display_ranges: &[Range<DisplayPoint>],
6169 layout: &mut EditorLayout,
6170 window: &mut Window,
6171 cx: &mut App,
6172 ) {
6173 let whitespace_setting = self
6174 .editor
6175 .read(cx)
6176 .buffer
6177 .read(cx)
6178 .language_settings(cx)
6179 .show_whitespaces;
6180
6181 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6182 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6183 line_with_invisibles.draw(
6184 layout,
6185 row,
6186 layout.content_origin,
6187 whitespace_setting,
6188 invisible_display_ranges,
6189 window,
6190 cx,
6191 )
6192 }
6193
6194 for line_element in &mut layout.line_elements {
6195 line_element.paint(window, cx);
6196 }
6197 }
6198
6199 fn paint_lines_background(
6200 &mut self,
6201 layout: &mut EditorLayout,
6202 window: &mut Window,
6203 cx: &mut App,
6204 ) {
6205 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6206 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6207 line_with_invisibles.draw_background(layout, row, layout.content_origin, window, cx);
6208 }
6209 }
6210
6211 fn paint_redactions(&mut self, layout: &EditorLayout, window: &mut Window) {
6212 if layout.redacted_ranges.is_empty() {
6213 return;
6214 }
6215
6216 let line_end_overshoot = layout.line_end_overshoot();
6217
6218 // A softer than perfect black
6219 let redaction_color = gpui::rgb(0x0e1111);
6220
6221 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6222 for range in layout.redacted_ranges.iter() {
6223 self.paint_highlighted_range(
6224 range.clone(),
6225 true,
6226 redaction_color.into(),
6227 Pixels::ZERO,
6228 line_end_overshoot,
6229 layout,
6230 window,
6231 );
6232 }
6233 });
6234 }
6235
6236 fn paint_document_colors(&self, layout: &mut EditorLayout, window: &mut Window) {
6237 let Some((colors_render_mode, image_colors)) = &layout.document_colors else {
6238 return;
6239 };
6240 if image_colors.is_empty()
6241 || colors_render_mode == &DocumentColorsRenderMode::None
6242 || colors_render_mode == &DocumentColorsRenderMode::Inlay
6243 {
6244 return;
6245 }
6246
6247 let line_end_overshoot = layout.line_end_overshoot();
6248
6249 for (range, color) in image_colors {
6250 match colors_render_mode {
6251 DocumentColorsRenderMode::Inlay | DocumentColorsRenderMode::None => return,
6252 DocumentColorsRenderMode::Background => {
6253 self.paint_highlighted_range(
6254 range.clone(),
6255 true,
6256 *color,
6257 Pixels::ZERO,
6258 line_end_overshoot,
6259 layout,
6260 window,
6261 );
6262 }
6263 DocumentColorsRenderMode::Border => {
6264 self.paint_highlighted_range(
6265 range.clone(),
6266 false,
6267 *color,
6268 Pixels::ZERO,
6269 line_end_overshoot,
6270 layout,
6271 window,
6272 );
6273 }
6274 }
6275 }
6276 }
6277
6278 fn paint_cursors(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6279 for cursor in &mut layout.visible_cursors {
6280 cursor.paint(layout.content_origin, window, cx);
6281 }
6282 }
6283
6284 fn paint_scrollbars(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6285 let Some(scrollbars_layout) = layout.scrollbars_layout.take() else {
6286 return;
6287 };
6288 let any_scrollbar_dragged = self.editor.read(cx).scroll_manager.any_scrollbar_dragged();
6289
6290 for (scrollbar_layout, axis) in scrollbars_layout.iter_scrollbars() {
6291 let hitbox = &scrollbar_layout.hitbox;
6292 if scrollbars_layout.visible {
6293 let scrollbar_edges = match axis {
6294 ScrollbarAxis::Horizontal => Edges {
6295 top: Pixels::ZERO,
6296 right: Pixels::ZERO,
6297 bottom: Pixels::ZERO,
6298 left: Pixels::ZERO,
6299 },
6300 ScrollbarAxis::Vertical => Edges {
6301 top: Pixels::ZERO,
6302 right: Pixels::ZERO,
6303 bottom: Pixels::ZERO,
6304 left: ScrollbarLayout::BORDER_WIDTH,
6305 },
6306 };
6307
6308 window.paint_layer(hitbox.bounds, |window| {
6309 window.paint_quad(quad(
6310 hitbox.bounds,
6311 Corners::default(),
6312 cx.theme().colors().scrollbar_track_background,
6313 scrollbar_edges,
6314 cx.theme().colors().scrollbar_track_border,
6315 BorderStyle::Solid,
6316 ));
6317
6318 if axis == ScrollbarAxis::Vertical {
6319 let fast_markers =
6320 self.collect_fast_scrollbar_markers(layout, scrollbar_layout, cx);
6321 // Refresh slow scrollbar markers in the background. Below, we
6322 // paint whatever markers have already been computed.
6323 self.refresh_slow_scrollbar_markers(layout, scrollbar_layout, window, cx);
6324
6325 let markers = self.editor.read(cx).scrollbar_marker_state.markers.clone();
6326 for marker in markers.iter().chain(&fast_markers) {
6327 let mut marker = marker.clone();
6328 marker.bounds.origin += hitbox.origin;
6329 window.paint_quad(marker);
6330 }
6331 }
6332
6333 if let Some(thumb_bounds) = scrollbar_layout.thumb_bounds {
6334 let scrollbar_thumb_color = match scrollbar_layout.thumb_state {
6335 ScrollbarThumbState::Dragging => {
6336 cx.theme().colors().scrollbar_thumb_active_background
6337 }
6338 ScrollbarThumbState::Hovered => {
6339 cx.theme().colors().scrollbar_thumb_hover_background
6340 }
6341 ScrollbarThumbState::Idle => {
6342 cx.theme().colors().scrollbar_thumb_background
6343 }
6344 };
6345 window.paint_quad(quad(
6346 thumb_bounds,
6347 Corners::default(),
6348 scrollbar_thumb_color,
6349 scrollbar_edges,
6350 cx.theme().colors().scrollbar_thumb_border,
6351 BorderStyle::Solid,
6352 ));
6353
6354 if any_scrollbar_dragged {
6355 window.set_window_cursor_style(CursorStyle::Arrow);
6356 } else {
6357 window.set_cursor_style(CursorStyle::Arrow, hitbox);
6358 }
6359 }
6360 })
6361 }
6362 }
6363
6364 window.on_mouse_event({
6365 let editor = self.editor.clone();
6366 let scrollbars_layout = scrollbars_layout.clone();
6367
6368 let mut mouse_position = window.mouse_position();
6369 move |event: &MouseMoveEvent, phase, window, cx| {
6370 if phase == DispatchPhase::Capture {
6371 return;
6372 }
6373
6374 editor.update(cx, |editor, cx| {
6375 if let Some((scrollbar_layout, axis)) = event
6376 .pressed_button
6377 .filter(|button| *button == MouseButton::Left)
6378 .and(editor.scroll_manager.dragging_scrollbar_axis())
6379 .and_then(|axis| {
6380 scrollbars_layout
6381 .iter_scrollbars()
6382 .find(|(_, a)| *a == axis)
6383 })
6384 {
6385 let ScrollbarLayout {
6386 hitbox,
6387 text_unit_size,
6388 ..
6389 } = scrollbar_layout;
6390
6391 let old_position = mouse_position.along(axis);
6392 let new_position = event.position.along(axis);
6393 if (hitbox.origin.along(axis)..hitbox.bottom_right().along(axis))
6394 .contains(&old_position)
6395 {
6396 let position = editor.scroll_position(cx).apply_along(axis, |p| {
6397 (p + (new_position - old_position) / *text_unit_size).max(0.)
6398 });
6399 editor.set_scroll_position(position, window, cx);
6400 }
6401
6402 editor.scroll_manager.show_scrollbars(window, cx);
6403 cx.stop_propagation();
6404 } else if let Some((layout, axis)) = scrollbars_layout
6405 .get_hovered_axis(window)
6406 .filter(|_| !event.dragging())
6407 {
6408 if layout.thumb_hovered(&event.position) {
6409 editor
6410 .scroll_manager
6411 .set_hovered_scroll_thumb_axis(axis, cx);
6412 } else {
6413 editor.scroll_manager.reset_scrollbar_state(cx);
6414 }
6415
6416 editor.scroll_manager.show_scrollbars(window, cx);
6417 } else {
6418 editor.scroll_manager.reset_scrollbar_state(cx);
6419 }
6420
6421 mouse_position = event.position;
6422 })
6423 }
6424 });
6425
6426 if any_scrollbar_dragged {
6427 window.on_mouse_event({
6428 let editor = self.editor.clone();
6429 move |_: &MouseUpEvent, phase, window, cx| {
6430 if phase == DispatchPhase::Capture {
6431 return;
6432 }
6433
6434 editor.update(cx, |editor, cx| {
6435 if let Some((_, axis)) = scrollbars_layout.get_hovered_axis(window) {
6436 editor
6437 .scroll_manager
6438 .set_hovered_scroll_thumb_axis(axis, cx);
6439 } else {
6440 editor.scroll_manager.reset_scrollbar_state(cx);
6441 }
6442 cx.stop_propagation();
6443 });
6444 }
6445 });
6446 } else {
6447 window.on_mouse_event({
6448 let editor = self.editor.clone();
6449
6450 move |event: &MouseDownEvent, phase, window, cx| {
6451 if phase == DispatchPhase::Capture {
6452 return;
6453 }
6454 let Some((scrollbar_layout, axis)) = scrollbars_layout.get_hovered_axis(window)
6455 else {
6456 return;
6457 };
6458
6459 let ScrollbarLayout {
6460 hitbox,
6461 visible_range,
6462 text_unit_size,
6463 thumb_bounds,
6464 ..
6465 } = scrollbar_layout;
6466
6467 let Some(thumb_bounds) = thumb_bounds else {
6468 return;
6469 };
6470
6471 editor.update(cx, |editor, cx| {
6472 editor
6473 .scroll_manager
6474 .set_dragged_scroll_thumb_axis(axis, cx);
6475
6476 let event_position = event.position.along(axis);
6477
6478 if event_position < thumb_bounds.origin.along(axis)
6479 || thumb_bounds.bottom_right().along(axis) < event_position
6480 {
6481 let center_position = ((event_position - hitbox.origin.along(axis))
6482 / *text_unit_size)
6483 .round() as u32;
6484 let start_position = center_position.saturating_sub(
6485 (visible_range.end - visible_range.start) as u32 / 2,
6486 );
6487
6488 let position = editor
6489 .scroll_position(cx)
6490 .apply_along(axis, |_| start_position as f32);
6491
6492 editor.set_scroll_position(position, window, cx);
6493 } else {
6494 editor.scroll_manager.show_scrollbars(window, cx);
6495 }
6496
6497 cx.stop_propagation();
6498 });
6499 }
6500 });
6501 }
6502 }
6503
6504 fn collect_fast_scrollbar_markers(
6505 &self,
6506 layout: &EditorLayout,
6507 scrollbar_layout: &ScrollbarLayout,
6508 cx: &mut App,
6509 ) -> Vec<PaintQuad> {
6510 const LIMIT: usize = 100;
6511 if !EditorSettings::get_global(cx).scrollbar.cursors || layout.cursors.len() > LIMIT {
6512 return vec![];
6513 }
6514 let cursor_ranges = layout
6515 .cursors
6516 .iter()
6517 .map(|(point, color)| ColoredRange {
6518 start: point.row(),
6519 end: point.row(),
6520 color: *color,
6521 })
6522 .collect_vec();
6523 scrollbar_layout.marker_quads_for_ranges(cursor_ranges, None)
6524 }
6525
6526 fn refresh_slow_scrollbar_markers(
6527 &self,
6528 layout: &EditorLayout,
6529 scrollbar_layout: &ScrollbarLayout,
6530 window: &mut Window,
6531 cx: &mut App,
6532 ) {
6533 self.editor.update(cx, |editor, cx| {
6534 if !editor.is_singleton(cx)
6535 || !editor
6536 .scrollbar_marker_state
6537 .should_refresh(scrollbar_layout.hitbox.size)
6538 {
6539 return;
6540 }
6541
6542 let scrollbar_layout = scrollbar_layout.clone();
6543 let background_highlights = editor.background_highlights.clone();
6544 let snapshot = layout.position_map.snapshot.clone();
6545 let theme = cx.theme().clone();
6546 let scrollbar_settings = EditorSettings::get_global(cx).scrollbar;
6547
6548 editor.scrollbar_marker_state.dirty = false;
6549 editor.scrollbar_marker_state.pending_refresh =
6550 Some(cx.spawn_in(window, async move |editor, cx| {
6551 let scrollbar_size = scrollbar_layout.hitbox.size;
6552 let scrollbar_markers = cx
6553 .background_spawn(async move {
6554 let max_point = snapshot.display_snapshot.buffer_snapshot.max_point();
6555 let mut marker_quads = Vec::new();
6556 if scrollbar_settings.git_diff {
6557 let marker_row_ranges =
6558 snapshot.buffer_snapshot.diff_hunks().map(|hunk| {
6559 let start_display_row =
6560 MultiBufferPoint::new(hunk.row_range.start.0, 0)
6561 .to_display_point(&snapshot.display_snapshot)
6562 .row();
6563 let mut end_display_row =
6564 MultiBufferPoint::new(hunk.row_range.end.0, 0)
6565 .to_display_point(&snapshot.display_snapshot)
6566 .row();
6567 if end_display_row != start_display_row {
6568 end_display_row.0 -= 1;
6569 }
6570 let color = match &hunk.status().kind {
6571 DiffHunkStatusKind::Added => {
6572 theme.colors().version_control_added
6573 }
6574 DiffHunkStatusKind::Modified => {
6575 theme.colors().version_control_modified
6576 }
6577 DiffHunkStatusKind::Deleted => {
6578 theme.colors().version_control_deleted
6579 }
6580 };
6581 ColoredRange {
6582 start: start_display_row,
6583 end: end_display_row,
6584 color,
6585 }
6586 });
6587
6588 marker_quads.extend(
6589 scrollbar_layout
6590 .marker_quads_for_ranges(marker_row_ranges, Some(0)),
6591 );
6592 }
6593
6594 for (background_highlight_id, (_, background_ranges)) in
6595 background_highlights.iter()
6596 {
6597 let is_search_highlights = *background_highlight_id
6598 == HighlightKey::Type(TypeId::of::<BufferSearchHighlights>());
6599 let is_text_highlights = *background_highlight_id
6600 == HighlightKey::Type(TypeId::of::<SelectedTextHighlight>());
6601 let is_symbol_occurrences = *background_highlight_id
6602 == HighlightKey::Type(TypeId::of::<DocumentHighlightRead>())
6603 || *background_highlight_id
6604 == HighlightKey::Type(
6605 TypeId::of::<DocumentHighlightWrite>(),
6606 );
6607 if (is_search_highlights && scrollbar_settings.search_results)
6608 || (is_text_highlights && scrollbar_settings.selected_text)
6609 || (is_symbol_occurrences && scrollbar_settings.selected_symbol)
6610 {
6611 let mut color = theme.status().info;
6612 if is_symbol_occurrences {
6613 color.fade_out(0.5);
6614 }
6615 let marker_row_ranges = background_ranges.iter().map(|range| {
6616 let display_start = range
6617 .start
6618 .to_display_point(&snapshot.display_snapshot);
6619 let display_end =
6620 range.end.to_display_point(&snapshot.display_snapshot);
6621 ColoredRange {
6622 start: display_start.row(),
6623 end: display_end.row(),
6624 color,
6625 }
6626 });
6627 marker_quads.extend(
6628 scrollbar_layout
6629 .marker_quads_for_ranges(marker_row_ranges, Some(1)),
6630 );
6631 }
6632 }
6633
6634 if scrollbar_settings.diagnostics != ScrollbarDiagnostics::None {
6635 let diagnostics = snapshot
6636 .buffer_snapshot
6637 .diagnostics_in_range::<Point>(Point::zero()..max_point)
6638 // Don't show diagnostics the user doesn't care about
6639 .filter(|diagnostic| {
6640 match (
6641 scrollbar_settings.diagnostics,
6642 diagnostic.diagnostic.severity,
6643 ) {
6644 (ScrollbarDiagnostics::All, _) => true,
6645 (
6646 ScrollbarDiagnostics::Error,
6647 lsp::DiagnosticSeverity::ERROR,
6648 ) => true,
6649 (
6650 ScrollbarDiagnostics::Warning,
6651 lsp::DiagnosticSeverity::ERROR
6652 | lsp::DiagnosticSeverity::WARNING,
6653 ) => true,
6654 (
6655 ScrollbarDiagnostics::Information,
6656 lsp::DiagnosticSeverity::ERROR
6657 | lsp::DiagnosticSeverity::WARNING
6658 | lsp::DiagnosticSeverity::INFORMATION,
6659 ) => true,
6660 (_, _) => false,
6661 }
6662 })
6663 // We want to sort by severity, in order to paint the most severe diagnostics last.
6664 .sorted_by_key(|diagnostic| {
6665 std::cmp::Reverse(diagnostic.diagnostic.severity)
6666 });
6667
6668 let marker_row_ranges = diagnostics.into_iter().map(|diagnostic| {
6669 let start_display = diagnostic
6670 .range
6671 .start
6672 .to_display_point(&snapshot.display_snapshot);
6673 let end_display = diagnostic
6674 .range
6675 .end
6676 .to_display_point(&snapshot.display_snapshot);
6677 let color = match diagnostic.diagnostic.severity {
6678 lsp::DiagnosticSeverity::ERROR => theme.status().error,
6679 lsp::DiagnosticSeverity::WARNING => theme.status().warning,
6680 lsp::DiagnosticSeverity::INFORMATION => theme.status().info,
6681 _ => theme.status().hint,
6682 };
6683 ColoredRange {
6684 start: start_display.row(),
6685 end: end_display.row(),
6686 color,
6687 }
6688 });
6689 marker_quads.extend(
6690 scrollbar_layout
6691 .marker_quads_for_ranges(marker_row_ranges, Some(2)),
6692 );
6693 }
6694
6695 Arc::from(marker_quads)
6696 })
6697 .await;
6698
6699 editor.update(cx, |editor, cx| {
6700 editor.scrollbar_marker_state.markers = scrollbar_markers;
6701 editor.scrollbar_marker_state.scrollbar_size = scrollbar_size;
6702 editor.scrollbar_marker_state.pending_refresh = None;
6703 cx.notify();
6704 })?;
6705
6706 Ok(())
6707 }));
6708 });
6709 }
6710
6711 fn paint_highlighted_range(
6712 &self,
6713 range: Range<DisplayPoint>,
6714 fill: bool,
6715 color: Hsla,
6716 corner_radius: Pixels,
6717 line_end_overshoot: Pixels,
6718 layout: &EditorLayout,
6719 window: &mut Window,
6720 ) {
6721 let start_row = layout.visible_display_row_range.start;
6722 let end_row = layout.visible_display_row_range.end;
6723 if range.start != range.end {
6724 let row_range = if range.end.column() == 0 {
6725 cmp::max(range.start.row(), start_row)..cmp::min(range.end.row(), end_row)
6726 } else {
6727 cmp::max(range.start.row(), start_row)
6728 ..cmp::min(range.end.row().next_row(), end_row)
6729 };
6730
6731 let highlighted_range = HighlightedRange {
6732 color,
6733 line_height: layout.position_map.line_height,
6734 corner_radius,
6735 start_y: layout.content_origin.y
6736 + row_range.start.as_f32() * layout.position_map.line_height
6737 - layout.position_map.scroll_pixel_position.y,
6738 lines: row_range
6739 .iter_rows()
6740 .map(|row| {
6741 let line_layout =
6742 &layout.position_map.line_layouts[row.minus(start_row) as usize];
6743 HighlightedRangeLine {
6744 start_x: if row == range.start.row() {
6745 layout.content_origin.x
6746 + line_layout.x_for_index(range.start.column() as usize)
6747 - layout.position_map.scroll_pixel_position.x
6748 } else {
6749 layout.content_origin.x
6750 - layout.position_map.scroll_pixel_position.x
6751 },
6752 end_x: if row == range.end.row() {
6753 layout.content_origin.x
6754 + line_layout.x_for_index(range.end.column() as usize)
6755 - layout.position_map.scroll_pixel_position.x
6756 } else {
6757 layout.content_origin.x + line_layout.width + line_end_overshoot
6758 - layout.position_map.scroll_pixel_position.x
6759 },
6760 }
6761 })
6762 .collect(),
6763 };
6764
6765 highlighted_range.paint(fill, layout.position_map.text_hitbox.bounds, window);
6766 }
6767 }
6768
6769 fn paint_inline_diagnostics(
6770 &mut self,
6771 layout: &mut EditorLayout,
6772 window: &mut Window,
6773 cx: &mut App,
6774 ) {
6775 for mut inline_diagnostic in layout.inline_diagnostics.drain() {
6776 inline_diagnostic.1.paint(window, cx);
6777 }
6778 }
6779
6780 fn paint_inline_blame(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6781 if let Some(mut blame_layout) = layout.inline_blame_layout.take() {
6782 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6783 blame_layout.element.paint(window, cx);
6784 })
6785 }
6786 }
6787
6788 fn paint_inline_code_actions(
6789 &mut self,
6790 layout: &mut EditorLayout,
6791 window: &mut Window,
6792 cx: &mut App,
6793 ) {
6794 if let Some(mut inline_code_actions) = layout.inline_code_actions.take() {
6795 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6796 inline_code_actions.paint(window, cx);
6797 })
6798 }
6799 }
6800
6801 fn paint_diff_hunk_controls(
6802 &mut self,
6803 layout: &mut EditorLayout,
6804 window: &mut Window,
6805 cx: &mut App,
6806 ) {
6807 for mut diff_hunk_control in layout.diff_hunk_controls.drain(..) {
6808 diff_hunk_control.paint(window, cx);
6809 }
6810 }
6811
6812 fn paint_minimap(&self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6813 if let Some(mut layout) = layout.minimap.take() {
6814 let minimap_hitbox = layout.thumb_layout.hitbox.clone();
6815 let dragging_minimap = self.editor.read(cx).scroll_manager.is_dragging_minimap();
6816
6817 window.paint_layer(layout.thumb_layout.hitbox.bounds, |window| {
6818 window.with_element_namespace("minimap", |window| {
6819 layout.minimap.paint(window, cx);
6820 if let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds {
6821 let minimap_thumb_color = match layout.thumb_layout.thumb_state {
6822 ScrollbarThumbState::Idle => {
6823 cx.theme().colors().minimap_thumb_background
6824 }
6825 ScrollbarThumbState::Hovered => {
6826 cx.theme().colors().minimap_thumb_hover_background
6827 }
6828 ScrollbarThumbState::Dragging => {
6829 cx.theme().colors().minimap_thumb_active_background
6830 }
6831 };
6832 let minimap_thumb_border = match layout.thumb_border_style {
6833 MinimapThumbBorder::Full => Edges::all(ScrollbarLayout::BORDER_WIDTH),
6834 MinimapThumbBorder::LeftOnly => Edges {
6835 left: ScrollbarLayout::BORDER_WIDTH,
6836 ..Default::default()
6837 },
6838 MinimapThumbBorder::LeftOpen => Edges {
6839 right: ScrollbarLayout::BORDER_WIDTH,
6840 top: ScrollbarLayout::BORDER_WIDTH,
6841 bottom: ScrollbarLayout::BORDER_WIDTH,
6842 ..Default::default()
6843 },
6844 MinimapThumbBorder::RightOpen => Edges {
6845 left: ScrollbarLayout::BORDER_WIDTH,
6846 top: ScrollbarLayout::BORDER_WIDTH,
6847 bottom: ScrollbarLayout::BORDER_WIDTH,
6848 ..Default::default()
6849 },
6850 MinimapThumbBorder::None => Default::default(),
6851 };
6852
6853 window.paint_layer(minimap_hitbox.bounds, |window| {
6854 window.paint_quad(quad(
6855 thumb_bounds,
6856 Corners::default(),
6857 minimap_thumb_color,
6858 minimap_thumb_border,
6859 cx.theme().colors().minimap_thumb_border,
6860 BorderStyle::Solid,
6861 ));
6862 });
6863 }
6864 });
6865 });
6866
6867 if dragging_minimap {
6868 window.set_window_cursor_style(CursorStyle::Arrow);
6869 } else {
6870 window.set_cursor_style(CursorStyle::Arrow, &minimap_hitbox);
6871 }
6872
6873 let minimap_axis = ScrollbarAxis::Vertical;
6874 let pixels_per_line = (minimap_hitbox.size.height / layout.max_scroll_top)
6875 .min(layout.minimap_line_height);
6876
6877 let mut mouse_position = window.mouse_position();
6878
6879 window.on_mouse_event({
6880 let editor = self.editor.clone();
6881
6882 let minimap_hitbox = minimap_hitbox.clone();
6883
6884 move |event: &MouseMoveEvent, phase, window, cx| {
6885 if phase == DispatchPhase::Capture {
6886 return;
6887 }
6888
6889 editor.update(cx, |editor, cx| {
6890 if event.pressed_button == Some(MouseButton::Left)
6891 && editor.scroll_manager.is_dragging_minimap()
6892 {
6893 let old_position = mouse_position.along(minimap_axis);
6894 let new_position = event.position.along(minimap_axis);
6895 if (minimap_hitbox.origin.along(minimap_axis)
6896 ..minimap_hitbox.bottom_right().along(minimap_axis))
6897 .contains(&old_position)
6898 {
6899 let position =
6900 editor.scroll_position(cx).apply_along(minimap_axis, |p| {
6901 (p + (new_position - old_position) / pixels_per_line)
6902 .max(0.)
6903 });
6904 editor.set_scroll_position(position, window, cx);
6905 }
6906 cx.stop_propagation();
6907 } else if minimap_hitbox.is_hovered(window) {
6908 editor.scroll_manager.set_is_hovering_minimap_thumb(
6909 !event.dragging()
6910 && layout
6911 .thumb_layout
6912 .thumb_bounds
6913 .is_some_and(|bounds| bounds.contains(&event.position)),
6914 cx,
6915 );
6916
6917 // Stop hover events from propagating to the
6918 // underlying editor if the minimap hitbox is hovered
6919 if !event.dragging() {
6920 cx.stop_propagation();
6921 }
6922 } else {
6923 editor.scroll_manager.hide_minimap_thumb(cx);
6924 }
6925 mouse_position = event.position;
6926 });
6927 }
6928 });
6929
6930 if dragging_minimap {
6931 window.on_mouse_event({
6932 let editor = self.editor.clone();
6933 move |event: &MouseUpEvent, phase, window, cx| {
6934 if phase == DispatchPhase::Capture {
6935 return;
6936 }
6937
6938 editor.update(cx, |editor, cx| {
6939 if minimap_hitbox.is_hovered(window) {
6940 editor.scroll_manager.set_is_hovering_minimap_thumb(
6941 layout
6942 .thumb_layout
6943 .thumb_bounds
6944 .is_some_and(|bounds| bounds.contains(&event.position)),
6945 cx,
6946 );
6947 } else {
6948 editor.scroll_manager.hide_minimap_thumb(cx);
6949 }
6950 cx.stop_propagation();
6951 });
6952 }
6953 });
6954 } else {
6955 window.on_mouse_event({
6956 let editor = self.editor.clone();
6957
6958 move |event: &MouseDownEvent, phase, window, cx| {
6959 if phase == DispatchPhase::Capture || !minimap_hitbox.is_hovered(window) {
6960 return;
6961 }
6962
6963 let event_position = event.position;
6964
6965 let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds else {
6966 return;
6967 };
6968
6969 editor.update(cx, |editor, cx| {
6970 if !thumb_bounds.contains(&event_position) {
6971 let click_position =
6972 event_position.relative_to(&minimap_hitbox.origin).y;
6973
6974 let top_position = (click_position
6975 - thumb_bounds.size.along(minimap_axis) / 2.0)
6976 .max(Pixels::ZERO);
6977
6978 let scroll_offset = (layout.minimap_scroll_top
6979 + top_position / layout.minimap_line_height)
6980 .min(layout.max_scroll_top);
6981
6982 let scroll_position = editor
6983 .scroll_position(cx)
6984 .apply_along(minimap_axis, |_| scroll_offset);
6985 editor.set_scroll_position(scroll_position, window, cx);
6986 }
6987
6988 editor.scroll_manager.set_is_dragging_minimap(cx);
6989 cx.stop_propagation();
6990 });
6991 }
6992 });
6993 }
6994 }
6995 }
6996
6997 fn paint_blocks(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6998 for mut block in layout.blocks.drain(..) {
6999 if block.overlaps_gutter {
7000 block.element.paint(window, cx);
7001 } else {
7002 let mut bounds = layout.hitbox.bounds;
7003 bounds.origin.x += layout.gutter_hitbox.bounds.size.width;
7004 window.with_content_mask(Some(ContentMask { bounds }), |window| {
7005 block.element.paint(window, cx);
7006 })
7007 }
7008 }
7009 }
7010
7011 fn paint_edit_prediction_popover(
7012 &mut self,
7013 layout: &mut EditorLayout,
7014 window: &mut Window,
7015 cx: &mut App,
7016 ) {
7017 if let Some(edit_prediction_popover) = layout.edit_prediction_popover.as_mut() {
7018 edit_prediction_popover.paint(window, cx);
7019 }
7020 }
7021
7022 fn paint_mouse_context_menu(
7023 &mut self,
7024 layout: &mut EditorLayout,
7025 window: &mut Window,
7026 cx: &mut App,
7027 ) {
7028 if let Some(mouse_context_menu) = layout.mouse_context_menu.as_mut() {
7029 mouse_context_menu.paint(window, cx);
7030 }
7031 }
7032
7033 fn paint_scroll_wheel_listener(
7034 &mut self,
7035 layout: &EditorLayout,
7036 window: &mut Window,
7037 cx: &mut App,
7038 ) {
7039 window.on_mouse_event({
7040 let position_map = layout.position_map.clone();
7041 let editor = self.editor.clone();
7042 let hitbox = layout.hitbox.clone();
7043 let mut delta = ScrollDelta::default();
7044
7045 // Set a minimum scroll_sensitivity of 0.01 to make sure the user doesn't
7046 // accidentally turn off their scrolling.
7047 let base_scroll_sensitivity =
7048 EditorSettings::get_global(cx).scroll_sensitivity.max(0.01);
7049
7050 // Use a minimum fast_scroll_sensitivity for same reason above
7051 let fast_scroll_sensitivity = EditorSettings::get_global(cx)
7052 .fast_scroll_sensitivity
7053 .max(0.01);
7054
7055 move |event: &ScrollWheelEvent, phase, window, cx| {
7056 let scroll_sensitivity = {
7057 if event.modifiers.alt {
7058 fast_scroll_sensitivity
7059 } else {
7060 base_scroll_sensitivity
7061 }
7062 };
7063
7064 if phase == DispatchPhase::Bubble && hitbox.should_handle_scroll(window) {
7065 delta = delta.coalesce(event.delta);
7066 editor.update(cx, |editor, cx| {
7067 let position_map: &PositionMap = &position_map;
7068
7069 let line_height = position_map.line_height;
7070 let max_glyph_advance = position_map.em_advance;
7071 let (delta, axis) = match delta {
7072 gpui::ScrollDelta::Pixels(mut pixels) => {
7073 //Trackpad
7074 let axis = position_map.snapshot.ongoing_scroll.filter(&mut pixels);
7075 (pixels, axis)
7076 }
7077
7078 gpui::ScrollDelta::Lines(lines) => {
7079 //Not trackpad
7080 let pixels =
7081 point(lines.x * max_glyph_advance, lines.y * line_height);
7082 (pixels, None)
7083 }
7084 };
7085
7086 let current_scroll_position = position_map.snapshot.scroll_position();
7087 let x = (current_scroll_position.x * max_glyph_advance
7088 - (delta.x * scroll_sensitivity))
7089 / max_glyph_advance;
7090 let y = (current_scroll_position.y * line_height
7091 - (delta.y * scroll_sensitivity))
7092 / line_height;
7093 let mut scroll_position =
7094 point(x, y).clamp(&point(0., 0.), &position_map.scroll_max);
7095 let forbid_vertical_scroll = editor.scroll_manager.forbid_vertical_scroll();
7096 if forbid_vertical_scroll {
7097 scroll_position.y = current_scroll_position.y;
7098 }
7099
7100 if scroll_position != current_scroll_position {
7101 editor.scroll(scroll_position, axis, window, cx);
7102 cx.stop_propagation();
7103 } else if y < 0. {
7104 // Due to clamping, we may fail to detect cases of overscroll to the top;
7105 // We want the scroll manager to get an update in such cases and detect the change of direction
7106 // on the next frame.
7107 cx.notify();
7108 }
7109 });
7110 }
7111 }
7112 });
7113 }
7114
7115 fn paint_mouse_listeners(&mut self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
7116 if layout.mode.is_minimap() {
7117 return;
7118 }
7119
7120 self.paint_scroll_wheel_listener(layout, window, cx);
7121
7122 window.on_mouse_event({
7123 let position_map = layout.position_map.clone();
7124 let editor = self.editor.clone();
7125 let diff_hunk_range =
7126 layout
7127 .display_hunks
7128 .iter()
7129 .find_map(|(hunk, hunk_hitbox)| match hunk {
7130 DisplayDiffHunk::Folded { .. } => None,
7131 DisplayDiffHunk::Unfolded {
7132 multi_buffer_range, ..
7133 } => {
7134 if hunk_hitbox
7135 .as_ref()
7136 .map(|hitbox| hitbox.is_hovered(window))
7137 .unwrap_or(false)
7138 {
7139 Some(multi_buffer_range.clone())
7140 } else {
7141 None
7142 }
7143 }
7144 });
7145 let line_numbers = layout.line_numbers.clone();
7146
7147 move |event: &MouseDownEvent, phase, window, cx| {
7148 if phase == DispatchPhase::Bubble {
7149 match event.button {
7150 MouseButton::Left => editor.update(cx, |editor, cx| {
7151 let pending_mouse_down = editor
7152 .pending_mouse_down
7153 .get_or_insert_with(Default::default)
7154 .clone();
7155
7156 *pending_mouse_down.borrow_mut() = Some(event.clone());
7157
7158 Self::mouse_left_down(
7159 editor,
7160 event,
7161 diff_hunk_range.clone(),
7162 &position_map,
7163 line_numbers.as_ref(),
7164 window,
7165 cx,
7166 );
7167 }),
7168 MouseButton::Right => editor.update(cx, |editor, cx| {
7169 Self::mouse_right_down(editor, event, &position_map, window, cx);
7170 }),
7171 MouseButton::Middle => editor.update(cx, |editor, cx| {
7172 Self::mouse_middle_down(editor, event, &position_map, window, cx);
7173 }),
7174 _ => {}
7175 };
7176 }
7177 }
7178 });
7179
7180 window.on_mouse_event({
7181 let editor = self.editor.clone();
7182 let position_map = layout.position_map.clone();
7183
7184 move |event: &MouseUpEvent, phase, window, cx| {
7185 if phase == DispatchPhase::Bubble {
7186 editor.update(cx, |editor, cx| {
7187 Self::mouse_up(editor, event, &position_map, window, cx)
7188 });
7189 }
7190 }
7191 });
7192
7193 window.on_mouse_event({
7194 let editor = self.editor.clone();
7195 let position_map = layout.position_map.clone();
7196 let mut captured_mouse_down = None;
7197
7198 move |event: &MouseUpEvent, phase, window, cx| match phase {
7199 // Clear the pending mouse down during the capture phase,
7200 // so that it happens even if another event handler stops
7201 // propagation.
7202 DispatchPhase::Capture => editor.update(cx, |editor, _cx| {
7203 let pending_mouse_down = editor
7204 .pending_mouse_down
7205 .get_or_insert_with(Default::default)
7206 .clone();
7207
7208 let mut pending_mouse_down = pending_mouse_down.borrow_mut();
7209 if pending_mouse_down.is_some() && position_map.text_hitbox.is_hovered(window) {
7210 captured_mouse_down = pending_mouse_down.take();
7211 window.refresh();
7212 }
7213 }),
7214 // Fire click handlers during the bubble phase.
7215 DispatchPhase::Bubble => editor.update(cx, |editor, cx| {
7216 if let Some(mouse_down) = captured_mouse_down.take() {
7217 let event = ClickEvent::Mouse(MouseClickEvent {
7218 down: mouse_down,
7219 up: event.clone(),
7220 });
7221 Self::click(editor, &event, &position_map, window, cx);
7222 }
7223 }),
7224 }
7225 });
7226
7227 window.on_mouse_event({
7228 let position_map = layout.position_map.clone();
7229 let editor = self.editor.clone();
7230
7231 move |event: &MouseMoveEvent, phase, window, cx| {
7232 if phase == DispatchPhase::Bubble {
7233 editor.update(cx, |editor, cx| {
7234 if editor.hover_state.focused(window, cx) {
7235 return;
7236 }
7237 if event.pressed_button == Some(MouseButton::Left)
7238 || event.pressed_button == Some(MouseButton::Middle)
7239 {
7240 Self::mouse_dragged(editor, event, &position_map, window, cx)
7241 }
7242
7243 Self::mouse_moved(editor, event, &position_map, window, cx)
7244 });
7245 }
7246 }
7247 });
7248 }
7249
7250 fn column_pixels(&self, column: usize, window: &Window) -> Pixels {
7251 let style = &self.style;
7252 let font_size = style.text.font_size.to_pixels(window.rem_size());
7253 let layout = window.text_system().shape_line(
7254 SharedString::from(" ".repeat(column)),
7255 font_size,
7256 &[TextRun {
7257 len: column,
7258 font: style.text.font(),
7259 color: Hsla::default(),
7260 background_color: None,
7261 underline: None,
7262 strikethrough: None,
7263 }],
7264 None,
7265 );
7266
7267 layout.width
7268 }
7269
7270 fn max_line_number_width(&self, snapshot: &EditorSnapshot, window: &mut Window) -> Pixels {
7271 let digit_count = snapshot.widest_line_number().ilog10() + 1;
7272 self.column_pixels(digit_count as usize, window)
7273 }
7274
7275 fn shape_line_number(
7276 &self,
7277 text: SharedString,
7278 color: Hsla,
7279 window: &mut Window,
7280 ) -> ShapedLine {
7281 let run = TextRun {
7282 len: text.len(),
7283 font: self.style.text.font(),
7284 color,
7285 background_color: None,
7286 underline: None,
7287 strikethrough: None,
7288 };
7289 window.text_system().shape_line(
7290 text,
7291 self.style.text.font_size.to_pixels(window.rem_size()),
7292 &[run],
7293 None,
7294 )
7295 }
7296
7297 fn diff_hunk_hollow(status: DiffHunkStatus, cx: &mut App) -> bool {
7298 let unstaged = status.has_secondary_hunk();
7299 let unstaged_hollow = ProjectSettings::get_global(cx)
7300 .git
7301 .hunk_style
7302 .is_some_and(|style| matches!(style, GitHunkStyleSetting::UnstagedHollow));
7303
7304 unstaged == unstaged_hollow
7305 }
7306
7307 #[cfg(debug_assertions)]
7308 fn layout_debug_ranges(
7309 selections: &mut Vec<(PlayerColor, Vec<SelectionLayout>)>,
7310 anchor_range: Range<Anchor>,
7311 display_snapshot: &DisplaySnapshot,
7312 cx: &App,
7313 ) {
7314 let theme = cx.theme();
7315 text::debug::GlobalDebugRanges::with_locked(|debug_ranges| {
7316 if debug_ranges.ranges.is_empty() {
7317 return;
7318 }
7319 let buffer_snapshot = &display_snapshot.buffer_snapshot;
7320 for (buffer, buffer_range, excerpt_id) in
7321 buffer_snapshot.range_to_buffer_ranges(anchor_range)
7322 {
7323 let buffer_range =
7324 buffer.anchor_after(buffer_range.start)..buffer.anchor_before(buffer_range.end);
7325 selections.extend(debug_ranges.ranges.iter().flat_map(|debug_range| {
7326 let player_color = theme
7327 .players()
7328 .color_for_participant(debug_range.occurrence_index as u32 + 1);
7329 debug_range.ranges.iter().filter_map(move |range| {
7330 if range.start.buffer_id != Some(buffer.remote_id()) {
7331 return None;
7332 }
7333 let clipped_start = range.start.max(&buffer_range.start, buffer);
7334 let clipped_end = range.end.min(&buffer_range.end, buffer);
7335 let range = buffer_snapshot.anchor_in_excerpt(excerpt_id, clipped_start)?
7336 ..buffer_snapshot.anchor_in_excerpt(excerpt_id, clipped_end)?;
7337 let start = range.start.to_display_point(display_snapshot);
7338 let end = range.end.to_display_point(display_snapshot);
7339 let selection_layout = SelectionLayout {
7340 head: start,
7341 range: start..end,
7342 cursor_shape: CursorShape::Bar,
7343 is_newest: false,
7344 is_local: false,
7345 active_rows: start.row()..end.row(),
7346 user_name: Some(SharedString::new(debug_range.value.clone())),
7347 };
7348 Some((player_color, vec![selection_layout]))
7349 })
7350 }));
7351 }
7352 });
7353 }
7354}
7355
7356fn header_jump_data(
7357 snapshot: &EditorSnapshot,
7358 block_row_start: DisplayRow,
7359 height: u32,
7360 for_excerpt: &ExcerptInfo,
7361) -> JumpData {
7362 let range = &for_excerpt.range;
7363 let buffer = &for_excerpt.buffer;
7364 let jump_anchor = range.primary.start;
7365
7366 let excerpt_start = range.context.start;
7367 let jump_position = language::ToPoint::to_point(&jump_anchor, buffer);
7368 let rows_from_excerpt_start = if jump_anchor == excerpt_start {
7369 0
7370 } else {
7371 let excerpt_start_point = language::ToPoint::to_point(&excerpt_start, buffer);
7372 jump_position.row.saturating_sub(excerpt_start_point.row)
7373 };
7374
7375 let line_offset_from_top = (block_row_start.0 + height + rows_from_excerpt_start)
7376 .saturating_sub(
7377 snapshot
7378 .scroll_anchor
7379 .scroll_position(&snapshot.display_snapshot)
7380 .y as u32,
7381 );
7382
7383 JumpData::MultiBufferPoint {
7384 excerpt_id: for_excerpt.id,
7385 anchor: jump_anchor,
7386 position: jump_position,
7387 line_offset_from_top,
7388 }
7389}
7390
7391pub struct AcceptEditPredictionBinding(pub(crate) Option<gpui::KeyBinding>);
7392
7393impl AcceptEditPredictionBinding {
7394 pub fn keystroke(&self) -> Option<&KeybindingKeystroke> {
7395 if let Some(binding) = self.0.as_ref() {
7396 match &binding.keystrokes() {
7397 [keystroke, ..] => Some(keystroke),
7398 _ => None,
7399 }
7400 } else {
7401 None
7402 }
7403 }
7404}
7405
7406fn prepaint_gutter_button(
7407 button: IconButton,
7408 row: DisplayRow,
7409 line_height: Pixels,
7410 gutter_dimensions: &GutterDimensions,
7411 scroll_pixel_position: gpui::Point<Pixels>,
7412 gutter_hitbox: &Hitbox,
7413 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
7414 window: &mut Window,
7415 cx: &mut App,
7416) -> AnyElement {
7417 let mut button = button.into_any_element();
7418
7419 let available_space = size(
7420 AvailableSpace::MinContent,
7421 AvailableSpace::Definite(line_height),
7422 );
7423 let indicator_size = button.layout_as_root(available_space, window, cx);
7424
7425 let blame_width = gutter_dimensions.git_blame_entries_width;
7426 let gutter_width = display_hunks
7427 .binary_search_by(|(hunk, _)| match hunk {
7428 DisplayDiffHunk::Folded { display_row } => display_row.cmp(&row),
7429 DisplayDiffHunk::Unfolded {
7430 display_row_range, ..
7431 } => {
7432 if display_row_range.end <= row {
7433 Ordering::Less
7434 } else if display_row_range.start > row {
7435 Ordering::Greater
7436 } else {
7437 Ordering::Equal
7438 }
7439 }
7440 })
7441 .ok()
7442 .and_then(|ix| Some(display_hunks[ix].1.as_ref()?.size.width));
7443 let left_offset = blame_width.max(gutter_width).unwrap_or_default();
7444
7445 let mut x = left_offset;
7446 let available_width = gutter_dimensions.margin + gutter_dimensions.left_padding
7447 - indicator_size.width
7448 - left_offset;
7449 x += available_width / 2.;
7450
7451 let mut y = row.as_f32() * line_height - scroll_pixel_position.y;
7452 y += (line_height - indicator_size.height) / 2.;
7453
7454 button.prepaint_as_root(
7455 gutter_hitbox.origin + point(x, y),
7456 available_space,
7457 window,
7458 cx,
7459 );
7460 button
7461}
7462
7463fn render_inline_blame_entry(
7464 blame_entry: BlameEntry,
7465 style: &EditorStyle,
7466 cx: &mut App,
7467) -> Option<AnyElement> {
7468 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7469 renderer.render_inline_blame_entry(&style.text, blame_entry, cx)
7470}
7471
7472fn render_blame_entry_popover(
7473 blame_entry: BlameEntry,
7474 scroll_handle: ScrollHandle,
7475 commit_message: Option<ParsedCommitMessage>,
7476 markdown: Entity<Markdown>,
7477 workspace: WeakEntity<Workspace>,
7478 blame: &Entity<GitBlame>,
7479 buffer: BufferId,
7480 window: &mut Window,
7481 cx: &mut App,
7482) -> Option<AnyElement> {
7483 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7484 let blame = blame.read(cx);
7485 let repository = blame.repository(cx, buffer)?;
7486 renderer.render_blame_entry_popover(
7487 blame_entry,
7488 scroll_handle,
7489 commit_message,
7490 markdown,
7491 repository,
7492 workspace,
7493 window,
7494 cx,
7495 )
7496}
7497
7498fn render_blame_entry(
7499 ix: usize,
7500 blame: &Entity<GitBlame>,
7501 blame_entry: BlameEntry,
7502 style: &EditorStyle,
7503 last_used_color: &mut Option<(PlayerColor, Oid)>,
7504 editor: Entity<Editor>,
7505 workspace: Entity<Workspace>,
7506 buffer: BufferId,
7507 renderer: Arc<dyn BlameRenderer>,
7508 cx: &mut App,
7509) -> Option<AnyElement> {
7510 let mut sha_color = cx
7511 .theme()
7512 .players()
7513 .color_for_participant(blame_entry.sha.into());
7514
7515 // If the last color we used is the same as the one we get for this line, but
7516 // the commit SHAs are different, then we try again to get a different color.
7517 match *last_used_color {
7518 Some((color, sha)) if sha != blame_entry.sha && color.cursor == sha_color.cursor => {
7519 let index: u32 = blame_entry.sha.into();
7520 sha_color = cx.theme().players().color_for_participant(index + 1);
7521 }
7522 _ => {}
7523 };
7524 last_used_color.replace((sha_color, blame_entry.sha));
7525
7526 let blame = blame.read(cx);
7527 let details = blame.details_for_entry(buffer, &blame_entry);
7528 let repository = blame.repository(cx, buffer)?;
7529 renderer.render_blame_entry(
7530 &style.text,
7531 blame_entry,
7532 details,
7533 repository,
7534 workspace.downgrade(),
7535 editor,
7536 ix,
7537 sha_color.cursor,
7538 cx,
7539 )
7540}
7541
7542#[derive(Debug)]
7543pub(crate) struct LineWithInvisibles {
7544 fragments: SmallVec<[LineFragment; 1]>,
7545 invisibles: Vec<Invisible>,
7546 len: usize,
7547 pub(crate) width: Pixels,
7548 font_size: Pixels,
7549}
7550
7551enum LineFragment {
7552 Text(ShapedLine),
7553 Element {
7554 id: ChunkRendererId,
7555 element: Option<AnyElement>,
7556 size: Size<Pixels>,
7557 len: usize,
7558 },
7559}
7560
7561impl fmt::Debug for LineFragment {
7562 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
7563 match self {
7564 LineFragment::Text(shaped_line) => f.debug_tuple("Text").field(shaped_line).finish(),
7565 LineFragment::Element { size, len, .. } => f
7566 .debug_struct("Element")
7567 .field("size", size)
7568 .field("len", len)
7569 .finish(),
7570 }
7571 }
7572}
7573
7574impl LineWithInvisibles {
7575 fn from_chunks<'a>(
7576 chunks: impl Iterator<Item = HighlightedChunk<'a>>,
7577 editor_style: &EditorStyle,
7578 max_line_len: usize,
7579 max_line_count: usize,
7580 editor_mode: &EditorMode,
7581 text_width: Pixels,
7582 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
7583 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
7584 window: &mut Window,
7585 cx: &mut App,
7586 ) -> Vec<Self> {
7587 let text_style = &editor_style.text;
7588 let mut layouts = Vec::with_capacity(max_line_count);
7589 let mut fragments: SmallVec<[LineFragment; 1]> = SmallVec::new();
7590 let mut line = String::new();
7591 let mut invisibles = Vec::new();
7592 let mut width = Pixels::ZERO;
7593 let mut len = 0;
7594 let mut styles = Vec::new();
7595 let mut non_whitespace_added = false;
7596 let mut row = 0;
7597 let mut line_exceeded_max_len = false;
7598 let font_size = text_style.font_size.to_pixels(window.rem_size());
7599 let min_contrast = EditorSettings::get_global(cx).minimum_contrast_for_highlights;
7600
7601 let ellipsis = SharedString::from("β―");
7602
7603 for highlighted_chunk in chunks.chain([HighlightedChunk {
7604 text: "\n",
7605 style: None,
7606 is_tab: false,
7607 is_inlay: false,
7608 replacement: None,
7609 }]) {
7610 if let Some(replacement) = highlighted_chunk.replacement {
7611 if !line.is_empty() {
7612 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7613 let text_runs: &[TextRun] = if segments.is_empty() {
7614 &styles
7615 } else {
7616 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast)
7617 };
7618 let shaped_line = window.text_system().shape_line(
7619 line.clone().into(),
7620 font_size,
7621 text_runs,
7622 None,
7623 );
7624 width += shaped_line.width;
7625 len += shaped_line.len;
7626 fragments.push(LineFragment::Text(shaped_line));
7627 line.clear();
7628 styles.clear();
7629 }
7630
7631 match replacement {
7632 ChunkReplacement::Renderer(renderer) => {
7633 let available_width = if renderer.constrain_width {
7634 let chunk = if highlighted_chunk.text == ellipsis.as_ref() {
7635 ellipsis.clone()
7636 } else {
7637 SharedString::from(Arc::from(highlighted_chunk.text))
7638 };
7639 let shaped_line = window.text_system().shape_line(
7640 chunk,
7641 font_size,
7642 &[text_style.to_run(highlighted_chunk.text.len())],
7643 None,
7644 );
7645 AvailableSpace::Definite(shaped_line.width)
7646 } else {
7647 AvailableSpace::MinContent
7648 };
7649
7650 let mut element = (renderer.render)(&mut ChunkRendererContext {
7651 context: cx,
7652 window,
7653 max_width: text_width,
7654 });
7655 let line_height = text_style.line_height_in_pixels(window.rem_size());
7656 let size = element.layout_as_root(
7657 size(available_width, AvailableSpace::Definite(line_height)),
7658 window,
7659 cx,
7660 );
7661
7662 width += size.width;
7663 len += highlighted_chunk.text.len();
7664 fragments.push(LineFragment::Element {
7665 id: renderer.id,
7666 element: Some(element),
7667 size,
7668 len: highlighted_chunk.text.len(),
7669 });
7670 }
7671 ChunkReplacement::Str(x) => {
7672 let text_style = if let Some(style) = highlighted_chunk.style {
7673 Cow::Owned(text_style.clone().highlight(style))
7674 } else {
7675 Cow::Borrowed(text_style)
7676 };
7677
7678 let run = TextRun {
7679 len: x.len(),
7680 font: text_style.font(),
7681 color: text_style.color,
7682 background_color: text_style.background_color,
7683 underline: text_style.underline,
7684 strikethrough: text_style.strikethrough,
7685 };
7686 let line_layout = window
7687 .text_system()
7688 .shape_line(x, font_size, &[run], None)
7689 .with_len(highlighted_chunk.text.len());
7690
7691 width += line_layout.width;
7692 len += highlighted_chunk.text.len();
7693 fragments.push(LineFragment::Text(line_layout))
7694 }
7695 }
7696 } else {
7697 for (ix, mut line_chunk) in highlighted_chunk.text.split('\n').enumerate() {
7698 if ix > 0 {
7699 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7700 let text_runs = if segments.is_empty() {
7701 &styles
7702 } else {
7703 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast)
7704 };
7705 let shaped_line = window.text_system().shape_line(
7706 line.clone().into(),
7707 font_size,
7708 text_runs,
7709 None,
7710 );
7711 width += shaped_line.width;
7712 len += shaped_line.len;
7713 fragments.push(LineFragment::Text(shaped_line));
7714 layouts.push(Self {
7715 width: mem::take(&mut width),
7716 len: mem::take(&mut len),
7717 fragments: mem::take(&mut fragments),
7718 invisibles: std::mem::take(&mut invisibles),
7719 font_size,
7720 });
7721
7722 line.clear();
7723 styles.clear();
7724 row += 1;
7725 line_exceeded_max_len = false;
7726 non_whitespace_added = false;
7727 if row == max_line_count {
7728 return layouts;
7729 }
7730 }
7731
7732 if !line_chunk.is_empty() && !line_exceeded_max_len {
7733 let text_style = if let Some(style) = highlighted_chunk.style {
7734 Cow::Owned(text_style.clone().highlight(style))
7735 } else {
7736 Cow::Borrowed(text_style)
7737 };
7738
7739 if line.len() + line_chunk.len() > max_line_len {
7740 let mut chunk_len = max_line_len - line.len();
7741 while !line_chunk.is_char_boundary(chunk_len) {
7742 chunk_len -= 1;
7743 }
7744 line_chunk = &line_chunk[..chunk_len];
7745 line_exceeded_max_len = true;
7746 }
7747
7748 styles.push(TextRun {
7749 len: line_chunk.len(),
7750 font: text_style.font(),
7751 color: text_style.color,
7752 background_color: text_style.background_color,
7753 underline: text_style.underline,
7754 strikethrough: text_style.strikethrough,
7755 });
7756
7757 if editor_mode.is_full() && !highlighted_chunk.is_inlay {
7758 // Line wrap pads its contents with fake whitespaces,
7759 // avoid printing them
7760 let is_soft_wrapped = is_row_soft_wrapped(row);
7761 if highlighted_chunk.is_tab {
7762 if non_whitespace_added || !is_soft_wrapped {
7763 invisibles.push(Invisible::Tab {
7764 line_start_offset: line.len(),
7765 line_end_offset: line.len() + line_chunk.len(),
7766 });
7767 }
7768 } else {
7769 invisibles.extend(line_chunk.char_indices().filter_map(
7770 |(index, c)| {
7771 let is_whitespace = c.is_whitespace();
7772 non_whitespace_added |= !is_whitespace;
7773 if is_whitespace
7774 && (non_whitespace_added || !is_soft_wrapped)
7775 {
7776 Some(Invisible::Whitespace {
7777 line_offset: line.len() + index,
7778 })
7779 } else {
7780 None
7781 }
7782 },
7783 ))
7784 }
7785 }
7786
7787 line.push_str(line_chunk);
7788 }
7789 }
7790 }
7791 }
7792
7793 layouts
7794 }
7795
7796 /// Takes text runs and non-overlapping left-to-right background ranges with color.
7797 /// Returns new text runs with adjusted contrast as per background ranges.
7798 fn split_runs_by_bg_segments(
7799 text_runs: &[TextRun],
7800 bg_segments: &[(Range<DisplayPoint>, Hsla)],
7801 min_contrast: f32,
7802 ) -> Vec<TextRun> {
7803 let mut output_runs: Vec<TextRun> = Vec::with_capacity(text_runs.len());
7804 let mut line_col = 0usize;
7805 let mut segment_ix = 0usize;
7806
7807 for text_run in text_runs.iter() {
7808 let run_start_col = line_col;
7809 let run_end_col = run_start_col + text_run.len;
7810 while segment_ix < bg_segments.len()
7811 && (bg_segments[segment_ix].0.end.column() as usize) <= run_start_col
7812 {
7813 segment_ix += 1;
7814 }
7815 let mut cursor_col = run_start_col;
7816 let mut local_segment_ix = segment_ix;
7817 while local_segment_ix < bg_segments.len() {
7818 let (range, segment_color) = &bg_segments[local_segment_ix];
7819 let segment_start_col = range.start.column() as usize;
7820 let segment_end_col = range.end.column() as usize;
7821 if segment_start_col >= run_end_col {
7822 break;
7823 }
7824 if segment_start_col > cursor_col {
7825 let span_len = segment_start_col - cursor_col;
7826 output_runs.push(TextRun {
7827 len: span_len,
7828 font: text_run.font.clone(),
7829 color: text_run.color,
7830 background_color: text_run.background_color,
7831 underline: text_run.underline,
7832 strikethrough: text_run.strikethrough,
7833 });
7834 cursor_col = segment_start_col;
7835 }
7836 let segment_slice_end_col = segment_end_col.min(run_end_col);
7837 if segment_slice_end_col > cursor_col {
7838 let new_text_color =
7839 ensure_minimum_contrast(text_run.color, *segment_color, min_contrast);
7840 output_runs.push(TextRun {
7841 len: segment_slice_end_col - cursor_col,
7842 font: text_run.font.clone(),
7843 color: new_text_color,
7844 background_color: text_run.background_color,
7845 underline: text_run.underline,
7846 strikethrough: text_run.strikethrough,
7847 });
7848 cursor_col = segment_slice_end_col;
7849 }
7850 if segment_end_col >= run_end_col {
7851 break;
7852 }
7853 local_segment_ix += 1;
7854 }
7855 if cursor_col < run_end_col {
7856 output_runs.push(TextRun {
7857 len: run_end_col - cursor_col,
7858 font: text_run.font.clone(),
7859 color: text_run.color,
7860 background_color: text_run.background_color,
7861 underline: text_run.underline,
7862 strikethrough: text_run.strikethrough,
7863 });
7864 }
7865 line_col = run_end_col;
7866 segment_ix = local_segment_ix;
7867 }
7868 output_runs
7869 }
7870
7871 fn prepaint(
7872 &mut self,
7873 line_height: Pixels,
7874 scroll_pixel_position: gpui::Point<Pixels>,
7875 row: DisplayRow,
7876 content_origin: gpui::Point<Pixels>,
7877 line_elements: &mut SmallVec<[AnyElement; 1]>,
7878 window: &mut Window,
7879 cx: &mut App,
7880 ) {
7881 let line_y = line_height * (row.as_f32() - scroll_pixel_position.y / line_height);
7882 let mut fragment_origin = content_origin + gpui::point(-scroll_pixel_position.x, line_y);
7883 for fragment in &mut self.fragments {
7884 match fragment {
7885 LineFragment::Text(line) => {
7886 fragment_origin.x += line.width;
7887 }
7888 LineFragment::Element { element, size, .. } => {
7889 let mut element = element
7890 .take()
7891 .expect("you can't prepaint LineWithInvisibles twice");
7892
7893 // Center the element vertically within the line.
7894 let mut element_origin = fragment_origin;
7895 element_origin.y += (line_height - size.height) / 2.;
7896 element.prepaint_at(element_origin, window, cx);
7897 line_elements.push(element);
7898
7899 fragment_origin.x += size.width;
7900 }
7901 }
7902 }
7903 }
7904
7905 fn draw(
7906 &self,
7907 layout: &EditorLayout,
7908 row: DisplayRow,
7909 content_origin: gpui::Point<Pixels>,
7910 whitespace_setting: ShowWhitespaceSetting,
7911 selection_ranges: &[Range<DisplayPoint>],
7912 window: &mut Window,
7913 cx: &mut App,
7914 ) {
7915 let line_height = layout.position_map.line_height;
7916 let line_y = line_height
7917 * (row.as_f32() - layout.position_map.scroll_pixel_position.y / line_height);
7918
7919 let mut fragment_origin =
7920 content_origin + gpui::point(-layout.position_map.scroll_pixel_position.x, line_y);
7921
7922 for fragment in &self.fragments {
7923 match fragment {
7924 LineFragment::Text(line) => {
7925 line.paint(fragment_origin, line_height, window, cx)
7926 .log_err();
7927 fragment_origin.x += line.width;
7928 }
7929 LineFragment::Element { size, .. } => {
7930 fragment_origin.x += size.width;
7931 }
7932 }
7933 }
7934
7935 self.draw_invisibles(
7936 selection_ranges,
7937 layout,
7938 content_origin,
7939 line_y,
7940 row,
7941 line_height,
7942 whitespace_setting,
7943 window,
7944 cx,
7945 );
7946 }
7947
7948 fn draw_background(
7949 &self,
7950 layout: &EditorLayout,
7951 row: DisplayRow,
7952 content_origin: gpui::Point<Pixels>,
7953 window: &mut Window,
7954 cx: &mut App,
7955 ) {
7956 let line_height = layout.position_map.line_height;
7957 let line_y = line_height
7958 * (row.as_f32() - layout.position_map.scroll_pixel_position.y / line_height);
7959
7960 let mut fragment_origin =
7961 content_origin + gpui::point(-layout.position_map.scroll_pixel_position.x, line_y);
7962
7963 for fragment in &self.fragments {
7964 match fragment {
7965 LineFragment::Text(line) => {
7966 line.paint_background(fragment_origin, line_height, window, cx)
7967 .log_err();
7968 fragment_origin.x += line.width;
7969 }
7970 LineFragment::Element { size, .. } => {
7971 fragment_origin.x += size.width;
7972 }
7973 }
7974 }
7975 }
7976
7977 fn draw_invisibles(
7978 &self,
7979 selection_ranges: &[Range<DisplayPoint>],
7980 layout: &EditorLayout,
7981 content_origin: gpui::Point<Pixels>,
7982 line_y: Pixels,
7983 row: DisplayRow,
7984 line_height: Pixels,
7985 whitespace_setting: ShowWhitespaceSetting,
7986 window: &mut Window,
7987 cx: &mut App,
7988 ) {
7989 let extract_whitespace_info = |invisible: &Invisible| {
7990 let (token_offset, token_end_offset, invisible_symbol) = match invisible {
7991 Invisible::Tab {
7992 line_start_offset,
7993 line_end_offset,
7994 } => (*line_start_offset, *line_end_offset, &layout.tab_invisible),
7995 Invisible::Whitespace { line_offset } => {
7996 (*line_offset, line_offset + 1, &layout.space_invisible)
7997 }
7998 };
7999
8000 let x_offset = self.x_for_index(token_offset);
8001 let invisible_offset =
8002 (layout.position_map.em_width - invisible_symbol.width).max(Pixels::ZERO) / 2.0;
8003 let origin = content_origin
8004 + gpui::point(
8005 x_offset + invisible_offset - layout.position_map.scroll_pixel_position.x,
8006 line_y,
8007 );
8008
8009 (
8010 [token_offset, token_end_offset],
8011 Box::new(move |window: &mut Window, cx: &mut App| {
8012 invisible_symbol
8013 .paint(origin, line_height, window, cx)
8014 .log_err();
8015 }),
8016 )
8017 };
8018
8019 let invisible_iter = self.invisibles.iter().map(extract_whitespace_info);
8020 match whitespace_setting {
8021 ShowWhitespaceSetting::None => (),
8022 ShowWhitespaceSetting::All => invisible_iter.for_each(|(_, paint)| paint(window, cx)),
8023 ShowWhitespaceSetting::Selection => invisible_iter.for_each(|([start, _], paint)| {
8024 let invisible_point = DisplayPoint::new(row, start as u32);
8025 if !selection_ranges
8026 .iter()
8027 .any(|region| region.start <= invisible_point && invisible_point < region.end)
8028 {
8029 return;
8030 }
8031
8032 paint(window, cx);
8033 }),
8034
8035 ShowWhitespaceSetting::Trailing => {
8036 let mut previous_start = self.len;
8037 for ([start, end], paint) in invisible_iter.rev() {
8038 if previous_start != end {
8039 break;
8040 }
8041 previous_start = start;
8042 paint(window, cx);
8043 }
8044 }
8045
8046 // For a whitespace to be on a boundary, any of the following conditions need to be met:
8047 // - It is a tab
8048 // - It is adjacent to an edge (start or end)
8049 // - It is adjacent to a whitespace (left or right)
8050 ShowWhitespaceSetting::Boundary => {
8051 // 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
8052 // the above cases.
8053 // Note: We zip in the original `invisibles` to check for tab equality
8054 let mut last_seen: Option<(bool, usize, Box<dyn Fn(&mut Window, &mut App)>)> = None;
8055 for (([start, end], paint), invisible) in
8056 invisible_iter.zip_eq(self.invisibles.iter())
8057 {
8058 let should_render = match (&last_seen, invisible) {
8059 (_, Invisible::Tab { .. }) => true,
8060 (Some((_, last_end, _)), _) => *last_end == start,
8061 _ => false,
8062 };
8063
8064 if should_render || start == 0 || end == self.len {
8065 paint(window, cx);
8066
8067 // Since we are scanning from the left, we will skip over the first available whitespace that is part
8068 // of a boundary between non-whitespace segments, so we correct by manually redrawing it if needed.
8069 if let Some((should_render_last, last_end, paint_last)) = last_seen {
8070 // Note that we need to make sure that the last one is actually adjacent
8071 if !should_render_last && last_end == start {
8072 paint_last(window, cx);
8073 }
8074 }
8075 }
8076
8077 // Manually render anything within a selection
8078 let invisible_point = DisplayPoint::new(row, start as u32);
8079 if selection_ranges.iter().any(|region| {
8080 region.start <= invisible_point && invisible_point < region.end
8081 }) {
8082 paint(window, cx);
8083 }
8084
8085 last_seen = Some((should_render, end, paint));
8086 }
8087 }
8088 }
8089 }
8090
8091 pub fn x_for_index(&self, index: usize) -> Pixels {
8092 let mut fragment_start_x = Pixels::ZERO;
8093 let mut fragment_start_index = 0;
8094
8095 for fragment in &self.fragments {
8096 match fragment {
8097 LineFragment::Text(shaped_line) => {
8098 let fragment_end_index = fragment_start_index + shaped_line.len;
8099 if index < fragment_end_index {
8100 return fragment_start_x
8101 + shaped_line.x_for_index(index - fragment_start_index);
8102 }
8103 fragment_start_x += shaped_line.width;
8104 fragment_start_index = fragment_end_index;
8105 }
8106 LineFragment::Element { len, size, .. } => {
8107 let fragment_end_index = fragment_start_index + len;
8108 if index < fragment_end_index {
8109 return fragment_start_x;
8110 }
8111 fragment_start_x += size.width;
8112 fragment_start_index = fragment_end_index;
8113 }
8114 }
8115 }
8116
8117 fragment_start_x
8118 }
8119
8120 pub fn index_for_x(&self, x: Pixels) -> Option<usize> {
8121 let mut fragment_start_x = Pixels::ZERO;
8122 let mut fragment_start_index = 0;
8123
8124 for fragment in &self.fragments {
8125 match fragment {
8126 LineFragment::Text(shaped_line) => {
8127 let fragment_end_x = fragment_start_x + shaped_line.width;
8128 if x < fragment_end_x {
8129 return Some(
8130 fragment_start_index + shaped_line.index_for_x(x - fragment_start_x)?,
8131 );
8132 }
8133 fragment_start_x = fragment_end_x;
8134 fragment_start_index += shaped_line.len;
8135 }
8136 LineFragment::Element { len, size, .. } => {
8137 let fragment_end_x = fragment_start_x + size.width;
8138 if x < fragment_end_x {
8139 return Some(fragment_start_index);
8140 }
8141 fragment_start_index += len;
8142 fragment_start_x = fragment_end_x;
8143 }
8144 }
8145 }
8146
8147 None
8148 }
8149
8150 pub fn font_id_for_index(&self, index: usize) -> Option<FontId> {
8151 let mut fragment_start_index = 0;
8152
8153 for fragment in &self.fragments {
8154 match fragment {
8155 LineFragment::Text(shaped_line) => {
8156 let fragment_end_index = fragment_start_index + shaped_line.len;
8157 if index < fragment_end_index {
8158 return shaped_line.font_id_for_index(index - fragment_start_index);
8159 }
8160 fragment_start_index = fragment_end_index;
8161 }
8162 LineFragment::Element { len, .. } => {
8163 let fragment_end_index = fragment_start_index + len;
8164 if index < fragment_end_index {
8165 return None;
8166 }
8167 fragment_start_index = fragment_end_index;
8168 }
8169 }
8170 }
8171
8172 None
8173 }
8174}
8175
8176#[derive(Debug, Clone, Copy, PartialEq, Eq)]
8177enum Invisible {
8178 /// A tab character
8179 ///
8180 /// A tab character is internally represented by spaces (configured by the user's tab width)
8181 /// aligned to the nearest column, so it's necessary to store the start and end offset for
8182 /// adjacency checks.
8183 Tab {
8184 line_start_offset: usize,
8185 line_end_offset: usize,
8186 },
8187 Whitespace {
8188 line_offset: usize,
8189 },
8190}
8191
8192impl EditorElement {
8193 /// Returns the rem size to use when rendering the [`EditorElement`].
8194 ///
8195 /// This allows UI elements to scale based on the `buffer_font_size`.
8196 fn rem_size(&self, cx: &mut App) -> Option<Pixels> {
8197 match self.editor.read(cx).mode {
8198 EditorMode::Full {
8199 scale_ui_elements_with_buffer_font_size: true,
8200 ..
8201 }
8202 | EditorMode::Minimap { .. } => {
8203 let buffer_font_size = self.style.text.font_size;
8204 match buffer_font_size {
8205 AbsoluteLength::Pixels(pixels) => {
8206 let rem_size_scale = {
8207 // Our default UI font size is 14px on a 16px base scale.
8208 // This means the default UI font size is 0.875rems.
8209 let default_font_size_scale = 14. / ui::BASE_REM_SIZE_IN_PX;
8210
8211 // We then determine the delta between a single rem and the default font
8212 // size scale.
8213 let default_font_size_delta = 1. - default_font_size_scale;
8214
8215 // Finally, we add this delta to 1rem to get the scale factor that
8216 // should be used to scale up the UI.
8217 1. + default_font_size_delta
8218 };
8219
8220 Some(pixels * rem_size_scale)
8221 }
8222 AbsoluteLength::Rems(rems) => {
8223 Some(rems.to_pixels(ui::BASE_REM_SIZE_IN_PX.into()))
8224 }
8225 }
8226 }
8227 // We currently use single-line and auto-height editors in UI contexts,
8228 // so we don't want to scale everything with the buffer font size, as it
8229 // ends up looking off.
8230 _ => None,
8231 }
8232 }
8233
8234 fn editor_with_selections(&self, cx: &App) -> Option<Entity<Editor>> {
8235 if let EditorMode::Minimap { parent } = self.editor.read(cx).mode() {
8236 parent.upgrade()
8237 } else {
8238 Some(self.editor.clone())
8239 }
8240 }
8241}
8242
8243impl Element for EditorElement {
8244 type RequestLayoutState = ();
8245 type PrepaintState = EditorLayout;
8246
8247 fn id(&self) -> Option<ElementId> {
8248 None
8249 }
8250
8251 fn source_location(&self) -> Option<&'static core::panic::Location<'static>> {
8252 None
8253 }
8254
8255 fn request_layout(
8256 &mut self,
8257 _: Option<&GlobalElementId>,
8258 _inspector_id: Option<&gpui::InspectorElementId>,
8259 window: &mut Window,
8260 cx: &mut App,
8261 ) -> (gpui::LayoutId, ()) {
8262 let rem_size = self.rem_size(cx);
8263 window.with_rem_size(rem_size, |window| {
8264 self.editor.update(cx, |editor, cx| {
8265 editor.set_style(self.style.clone(), window, cx);
8266
8267 let layout_id = match editor.mode {
8268 EditorMode::SingleLine => {
8269 let rem_size = window.rem_size();
8270 let height = self.style.text.line_height_in_pixels(rem_size);
8271 let mut style = Style::default();
8272 style.size.height = height.into();
8273 style.size.width = relative(1.).into();
8274 window.request_layout(style, None, cx)
8275 }
8276 EditorMode::AutoHeight {
8277 min_lines,
8278 max_lines,
8279 } => {
8280 let editor_handle = cx.entity();
8281 let max_line_number_width =
8282 self.max_line_number_width(&editor.snapshot(window, cx), window);
8283 window.request_measured_layout(
8284 Style::default(),
8285 move |known_dimensions, available_space, window, cx| {
8286 editor_handle
8287 .update(cx, |editor, cx| {
8288 compute_auto_height_layout(
8289 editor,
8290 min_lines,
8291 max_lines,
8292 max_line_number_width,
8293 known_dimensions,
8294 available_space.width,
8295 window,
8296 cx,
8297 )
8298 })
8299 .unwrap_or_default()
8300 },
8301 )
8302 }
8303 EditorMode::Minimap { .. } => {
8304 let mut style = Style::default();
8305 style.size.width = relative(1.).into();
8306 style.size.height = relative(1.).into();
8307 window.request_layout(style, None, cx)
8308 }
8309 EditorMode::Full {
8310 sized_by_content, ..
8311 } => {
8312 let mut style = Style::default();
8313 style.size.width = relative(1.).into();
8314 if sized_by_content {
8315 let snapshot = editor.snapshot(window, cx);
8316 let line_height =
8317 self.style.text.line_height_in_pixels(window.rem_size());
8318 let scroll_height =
8319 (snapshot.max_point().row().next_row().0 as f32) * line_height;
8320 style.size.height = scroll_height.into();
8321 } else {
8322 style.size.height = relative(1.).into();
8323 }
8324 window.request_layout(style, None, cx)
8325 }
8326 };
8327
8328 (layout_id, ())
8329 })
8330 })
8331 }
8332
8333 fn prepaint(
8334 &mut self,
8335 _: Option<&GlobalElementId>,
8336 _inspector_id: Option<&gpui::InspectorElementId>,
8337 bounds: Bounds<Pixels>,
8338 _: &mut Self::RequestLayoutState,
8339 window: &mut Window,
8340 cx: &mut App,
8341 ) -> Self::PrepaintState {
8342 let text_style = TextStyleRefinement {
8343 font_size: Some(self.style.text.font_size),
8344 line_height: Some(self.style.text.line_height),
8345 ..Default::default()
8346 };
8347
8348 let is_minimap = self.editor.read(cx).mode.is_minimap();
8349
8350 if !is_minimap {
8351 let focus_handle = self.editor.focus_handle(cx);
8352 window.set_view_id(self.editor.entity_id());
8353 window.set_focus_handle(&focus_handle, cx);
8354 }
8355
8356 let rem_size = self.rem_size(cx);
8357 window.with_rem_size(rem_size, |window| {
8358 window.with_text_style(Some(text_style), |window| {
8359 window.with_content_mask(Some(ContentMask { bounds }), |window| {
8360 let (mut snapshot, is_read_only) = self.editor.update(cx, |editor, cx| {
8361 (editor.snapshot(window, cx), editor.read_only(cx))
8362 });
8363 let style = &self.style;
8364
8365 let rem_size = window.rem_size();
8366 let font_id = window.text_system().resolve_font(&style.text.font());
8367 let font_size = style.text.font_size.to_pixels(rem_size);
8368 let line_height = style.text.line_height_in_pixels(rem_size);
8369 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
8370 let em_advance = window.text_system().em_advance(font_id, font_size).unwrap();
8371 let glyph_grid_cell = size(em_advance, line_height);
8372
8373 let gutter_dimensions = snapshot
8374 .gutter_dimensions(
8375 font_id,
8376 font_size,
8377 self.max_line_number_width(&snapshot, window),
8378 cx,
8379 )
8380 .or_else(|| {
8381 self.editor.read(cx).offset_content.then(|| {
8382 GutterDimensions::default_with_margin(font_id, font_size, cx)
8383 })
8384 })
8385 .unwrap_or_default();
8386 let text_width = bounds.size.width - gutter_dimensions.width;
8387
8388 let settings = EditorSettings::get_global(cx);
8389 let scrollbars_shown = settings.scrollbar.show != ShowScrollbar::Never;
8390 let vertical_scrollbar_width = (scrollbars_shown
8391 && settings.scrollbar.axes.vertical
8392 && self.editor.read(cx).show_scrollbars.vertical)
8393 .then_some(style.scrollbar_width)
8394 .unwrap_or_default();
8395 let minimap_width = self
8396 .get_minimap_width(
8397 &settings.minimap,
8398 scrollbars_shown,
8399 text_width,
8400 em_width,
8401 font_size,
8402 rem_size,
8403 cx,
8404 )
8405 .unwrap_or_default();
8406
8407 let right_margin = minimap_width + vertical_scrollbar_width;
8408
8409 let editor_width =
8410 text_width - gutter_dimensions.margin - 2 * em_width - right_margin;
8411 let editor_margins = EditorMargins {
8412 gutter: gutter_dimensions,
8413 right: right_margin,
8414 };
8415
8416 snapshot = self.editor.update(cx, |editor, cx| {
8417 editor.last_bounds = Some(bounds);
8418 editor.gutter_dimensions = gutter_dimensions;
8419 editor.set_visible_line_count(bounds.size.height / line_height, window, cx);
8420 editor.set_visible_column_count(editor_width / em_advance);
8421
8422 if matches!(
8423 editor.mode,
8424 EditorMode::AutoHeight { .. } | EditorMode::Minimap { .. }
8425 ) {
8426 snapshot
8427 } else {
8428 let wrap_width_for = |column: u32| (column as f32 * em_advance).ceil();
8429 let wrap_width = match editor.soft_wrap_mode(cx) {
8430 SoftWrap::GitDiff => None,
8431 SoftWrap::None => Some(wrap_width_for(MAX_LINE_LEN as u32 / 2)),
8432 SoftWrap::EditorWidth => Some(editor_width),
8433 SoftWrap::Column(column) => Some(wrap_width_for(column)),
8434 SoftWrap::Bounded(column) => {
8435 Some(editor_width.min(wrap_width_for(column)))
8436 }
8437 };
8438
8439 if editor.set_wrap_width(wrap_width, cx) {
8440 editor.snapshot(window, cx)
8441 } else {
8442 snapshot
8443 }
8444 }
8445 });
8446
8447 let hitbox = window.insert_hitbox(bounds, HitboxBehavior::Normal);
8448 let gutter_hitbox = window.insert_hitbox(
8449 gutter_bounds(bounds, gutter_dimensions),
8450 HitboxBehavior::Normal,
8451 );
8452 let text_hitbox = window.insert_hitbox(
8453 Bounds {
8454 origin: gutter_hitbox.top_right(),
8455 size: size(text_width, bounds.size.height),
8456 },
8457 HitboxBehavior::Normal,
8458 );
8459
8460 // Offset the content_bounds from the text_bounds by the gutter margin (which
8461 // is roughly half a character wide) to make hit testing work more like how we want.
8462 let content_offset = point(editor_margins.gutter.margin, Pixels::ZERO);
8463 let content_origin = text_hitbox.origin + content_offset;
8464
8465 let height_in_lines = bounds.size.height / line_height;
8466 let max_row = snapshot.max_point().row().as_f32();
8467
8468 // The max scroll position for the top of the window
8469 let max_scroll_top = if matches!(
8470 snapshot.mode,
8471 EditorMode::SingleLine
8472 | EditorMode::AutoHeight { .. }
8473 | EditorMode::Full {
8474 sized_by_content: true,
8475 ..
8476 }
8477 ) {
8478 (max_row - height_in_lines + 1.).max(0.)
8479 } else {
8480 let settings = EditorSettings::get_global(cx);
8481 match settings.scroll_beyond_last_line {
8482 ScrollBeyondLastLine::OnePage => max_row,
8483 ScrollBeyondLastLine::Off => (max_row - height_in_lines + 1.).max(0.),
8484 ScrollBeyondLastLine::VerticalScrollMargin => {
8485 (max_row - height_in_lines + 1. + settings.vertical_scroll_margin)
8486 .max(0.)
8487 }
8488 }
8489 };
8490
8491 let (
8492 autoscroll_request,
8493 autoscroll_containing_element,
8494 needs_horizontal_autoscroll,
8495 ) = self.editor.update(cx, |editor, cx| {
8496 let autoscroll_request = editor.scroll_manager.take_autoscroll_request();
8497
8498 let autoscroll_containing_element =
8499 autoscroll_request.is_some() || editor.has_pending_selection();
8500
8501 let (needs_horizontal_autoscroll, was_scrolled) = editor
8502 .autoscroll_vertically(
8503 bounds,
8504 line_height,
8505 max_scroll_top,
8506 autoscroll_request,
8507 window,
8508 cx,
8509 );
8510 if was_scrolled.0 {
8511 snapshot = editor.snapshot(window, cx);
8512 }
8513 (
8514 autoscroll_request,
8515 autoscroll_containing_element,
8516 needs_horizontal_autoscroll,
8517 )
8518 });
8519
8520 let mut scroll_position = snapshot.scroll_position();
8521 // The scroll position is a fractional point, the whole number of which represents
8522 // the top of the window in terms of display rows.
8523 let start_row = DisplayRow(scroll_position.y as u32);
8524 let max_row = snapshot.max_point().row();
8525 let end_row = cmp::min(
8526 (scroll_position.y + height_in_lines).ceil() as u32,
8527 max_row.next_row().0,
8528 );
8529 let end_row = DisplayRow(end_row);
8530
8531 let row_infos = snapshot
8532 .row_infos(start_row)
8533 .take((start_row..end_row).len())
8534 .collect::<Vec<RowInfo>>();
8535 let is_row_soft_wrapped = |row: usize| {
8536 row_infos
8537 .get(row)
8538 .is_none_or(|info| info.buffer_row.is_none())
8539 };
8540
8541 let start_anchor = if start_row == Default::default() {
8542 Anchor::min()
8543 } else {
8544 snapshot.buffer_snapshot.anchor_before(
8545 DisplayPoint::new(start_row, 0).to_offset(&snapshot, Bias::Left),
8546 )
8547 };
8548 let end_anchor = if end_row > max_row {
8549 Anchor::max()
8550 } else {
8551 snapshot.buffer_snapshot.anchor_before(
8552 DisplayPoint::new(end_row, 0).to_offset(&snapshot, Bias::Right),
8553 )
8554 };
8555
8556 let mut highlighted_rows = self
8557 .editor
8558 .update(cx, |editor, cx| editor.highlighted_display_rows(window, cx));
8559
8560 let is_light = cx.theme().appearance().is_light();
8561
8562 for (ix, row_info) in row_infos.iter().enumerate() {
8563 let Some(diff_status) = row_info.diff_status else {
8564 continue;
8565 };
8566
8567 let background_color = match diff_status.kind {
8568 DiffHunkStatusKind::Added => cx.theme().colors().version_control_added,
8569 DiffHunkStatusKind::Deleted => {
8570 cx.theme().colors().version_control_deleted
8571 }
8572 DiffHunkStatusKind::Modified => {
8573 debug_panic!("modified diff status for row info");
8574 continue;
8575 }
8576 };
8577
8578 let hunk_opacity = if is_light { 0.16 } else { 0.12 };
8579
8580 let hollow_highlight = LineHighlight {
8581 background: (background_color.opacity(if is_light {
8582 0.08
8583 } else {
8584 0.06
8585 }))
8586 .into(),
8587 border: Some(if is_light {
8588 background_color.opacity(0.48)
8589 } else {
8590 background_color.opacity(0.36)
8591 }),
8592 include_gutter: true,
8593 type_id: None,
8594 };
8595
8596 let filled_highlight = LineHighlight {
8597 background: solid_background(background_color.opacity(hunk_opacity)),
8598 border: None,
8599 include_gutter: true,
8600 type_id: None,
8601 };
8602
8603 let background = if Self::diff_hunk_hollow(diff_status, cx) {
8604 hollow_highlight
8605 } else {
8606 filled_highlight
8607 };
8608
8609 highlighted_rows
8610 .entry(start_row + DisplayRow(ix as u32))
8611 .or_insert(background);
8612 }
8613
8614 let highlighted_ranges = self
8615 .editor_with_selections(cx)
8616 .map(|editor| {
8617 editor.read(cx).background_highlights_in_range(
8618 start_anchor..end_anchor,
8619 &snapshot.display_snapshot,
8620 cx.theme(),
8621 )
8622 })
8623 .unwrap_or_default();
8624 let highlighted_gutter_ranges =
8625 self.editor.read(cx).gutter_highlights_in_range(
8626 start_anchor..end_anchor,
8627 &snapshot.display_snapshot,
8628 cx,
8629 );
8630
8631 let document_colors = self
8632 .editor
8633 .read(cx)
8634 .colors
8635 .as_ref()
8636 .map(|colors| colors.editor_display_highlights(&snapshot));
8637 let redacted_ranges = self.editor.read(cx).redacted_ranges(
8638 start_anchor..end_anchor,
8639 &snapshot.display_snapshot,
8640 cx,
8641 );
8642
8643 let (local_selections, selected_buffer_ids): (
8644 Vec<Selection<Point>>,
8645 Vec<BufferId>,
8646 ) = self
8647 .editor_with_selections(cx)
8648 .map(|editor| {
8649 editor.update(cx, |editor, cx| {
8650 let all_selections = editor.selections.all::<Point>(cx);
8651 let selected_buffer_ids = if editor.is_singleton(cx) {
8652 Vec::new()
8653 } else {
8654 let mut selected_buffer_ids =
8655 Vec::with_capacity(all_selections.len());
8656
8657 for selection in all_selections {
8658 for buffer_id in snapshot
8659 .buffer_snapshot
8660 .buffer_ids_for_range(selection.range())
8661 {
8662 if selected_buffer_ids.last() != Some(&buffer_id) {
8663 selected_buffer_ids.push(buffer_id);
8664 }
8665 }
8666 }
8667
8668 selected_buffer_ids
8669 };
8670
8671 let mut selections = editor
8672 .selections
8673 .disjoint_in_range(start_anchor..end_anchor, cx);
8674 selections.extend(editor.selections.pending(cx));
8675
8676 (selections, selected_buffer_ids)
8677 })
8678 })
8679 .unwrap_or_default();
8680
8681 let (selections, mut active_rows, newest_selection_head) = self
8682 .layout_selections(
8683 start_anchor,
8684 end_anchor,
8685 &local_selections,
8686 &snapshot,
8687 start_row,
8688 end_row,
8689 window,
8690 cx,
8691 );
8692 let mut breakpoint_rows = self.editor.update(cx, |editor, cx| {
8693 editor.active_breakpoints(start_row..end_row, window, cx)
8694 });
8695 for (display_row, (_, bp, state)) in &breakpoint_rows {
8696 if bp.is_enabled() && state.is_none_or(|s| s.verified) {
8697 active_rows.entry(*display_row).or_default().breakpoint = true;
8698 }
8699 }
8700
8701 let line_numbers = self.layout_line_numbers(
8702 Some(&gutter_hitbox),
8703 gutter_dimensions,
8704 line_height,
8705 scroll_position,
8706 start_row..end_row,
8707 &row_infos,
8708 &active_rows,
8709 newest_selection_head,
8710 &snapshot,
8711 window,
8712 cx,
8713 );
8714
8715 // We add the gutter breakpoint indicator to breakpoint_rows after painting
8716 // line numbers so we don't paint a line number debug accent color if a user
8717 // has their mouse over that line when a breakpoint isn't there
8718 self.editor.update(cx, |editor, _| {
8719 if let Some(phantom_breakpoint) = &mut editor
8720 .gutter_breakpoint_indicator
8721 .0
8722 .filter(|phantom_breakpoint| phantom_breakpoint.is_active)
8723 {
8724 // Is there a non-phantom breakpoint on this line?
8725 phantom_breakpoint.collides_with_existing_breakpoint = true;
8726 breakpoint_rows
8727 .entry(phantom_breakpoint.display_row)
8728 .or_insert_with(|| {
8729 let position = snapshot.display_point_to_anchor(
8730 DisplayPoint::new(phantom_breakpoint.display_row, 0),
8731 Bias::Right,
8732 );
8733 let breakpoint = Breakpoint::new_standard();
8734 phantom_breakpoint.collides_with_existing_breakpoint = false;
8735 (position, breakpoint, None)
8736 });
8737 }
8738 });
8739
8740 let mut expand_toggles =
8741 window.with_element_namespace("expand_toggles", |window| {
8742 self.layout_expand_toggles(
8743 &gutter_hitbox,
8744 gutter_dimensions,
8745 em_width,
8746 line_height,
8747 scroll_position,
8748 &row_infos,
8749 window,
8750 cx,
8751 )
8752 });
8753
8754 let mut crease_toggles =
8755 window.with_element_namespace("crease_toggles", |window| {
8756 self.layout_crease_toggles(
8757 start_row..end_row,
8758 &row_infos,
8759 &active_rows,
8760 &snapshot,
8761 window,
8762 cx,
8763 )
8764 });
8765 let crease_trailers =
8766 window.with_element_namespace("crease_trailers", |window| {
8767 self.layout_crease_trailers(
8768 row_infos.iter().copied(),
8769 &snapshot,
8770 window,
8771 cx,
8772 )
8773 });
8774
8775 let display_hunks = self.layout_gutter_diff_hunks(
8776 line_height,
8777 &gutter_hitbox,
8778 start_row..end_row,
8779 &snapshot,
8780 window,
8781 cx,
8782 );
8783
8784 let bg_segments_per_row = Self::bg_segments_per_row(
8785 start_row..end_row,
8786 &selections,
8787 &highlighted_ranges,
8788 self.style.background,
8789 );
8790
8791 let mut line_layouts = Self::layout_lines(
8792 start_row..end_row,
8793 &snapshot,
8794 &self.style,
8795 editor_width,
8796 is_row_soft_wrapped,
8797 &bg_segments_per_row,
8798 window,
8799 cx,
8800 );
8801 let new_renderer_widths = (!is_minimap).then(|| {
8802 line_layouts
8803 .iter()
8804 .flat_map(|layout| &layout.fragments)
8805 .filter_map(|fragment| {
8806 if let LineFragment::Element { id, size, .. } = fragment {
8807 Some((*id, size.width))
8808 } else {
8809 None
8810 }
8811 })
8812 });
8813 if new_renderer_widths.is_some_and(|new_renderer_widths| {
8814 self.editor.update(cx, |editor, cx| {
8815 editor.update_renderer_widths(new_renderer_widths, cx)
8816 })
8817 }) {
8818 // If the fold widths have changed, we need to prepaint
8819 // the element again to account for any changes in
8820 // wrapping.
8821 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
8822 }
8823
8824 let longest_line_blame_width = self
8825 .editor
8826 .update(cx, |editor, cx| {
8827 if !editor.show_git_blame_inline {
8828 return None;
8829 }
8830 let blame = editor.blame.as_ref()?;
8831 let (_, blame_entry) = blame
8832 .update(cx, |blame, cx| {
8833 let row_infos =
8834 snapshot.row_infos(snapshot.longest_row()).next()?;
8835 blame.blame_for_rows(&[row_infos], cx).next()
8836 })
8837 .flatten()?;
8838 let mut element = render_inline_blame_entry(blame_entry, style, cx)?;
8839 let inline_blame_padding = ProjectSettings::get_global(cx)
8840 .git
8841 .inline_blame
8842 .unwrap_or_default()
8843 .padding
8844 as f32
8845 * em_advance;
8846 Some(
8847 element
8848 .layout_as_root(AvailableSpace::min_size(), window, cx)
8849 .width
8850 + inline_blame_padding,
8851 )
8852 })
8853 .unwrap_or(Pixels::ZERO);
8854
8855 let longest_line_width = layout_line(
8856 snapshot.longest_row(),
8857 &snapshot,
8858 style,
8859 editor_width,
8860 is_row_soft_wrapped,
8861 window,
8862 cx,
8863 )
8864 .width;
8865
8866 let scrollbar_layout_information = ScrollbarLayoutInformation::new(
8867 text_hitbox.bounds,
8868 glyph_grid_cell,
8869 size(longest_line_width, max_row.as_f32() * line_height),
8870 longest_line_blame_width,
8871 EditorSettings::get_global(cx),
8872 );
8873
8874 let mut scroll_width = scrollbar_layout_information.scroll_range.width;
8875
8876 let sticky_header_excerpt = if snapshot.buffer_snapshot.show_headers() {
8877 snapshot.sticky_header_excerpt(scroll_position.y)
8878 } else {
8879 None
8880 };
8881 let sticky_header_excerpt_id =
8882 sticky_header_excerpt.as_ref().map(|top| top.excerpt.id);
8883
8884 let blocks = (!is_minimap)
8885 .then(|| {
8886 window.with_element_namespace("blocks", |window| {
8887 self.render_blocks(
8888 start_row..end_row,
8889 &snapshot,
8890 &hitbox,
8891 &text_hitbox,
8892 editor_width,
8893 &mut scroll_width,
8894 &editor_margins,
8895 em_width,
8896 gutter_dimensions.full_width(),
8897 line_height,
8898 &mut line_layouts,
8899 &local_selections,
8900 &selected_buffer_ids,
8901 is_row_soft_wrapped,
8902 sticky_header_excerpt_id,
8903 window,
8904 cx,
8905 )
8906 })
8907 })
8908 .unwrap_or_else(|| Ok((Vec::default(), HashMap::default())));
8909 let (mut blocks, row_block_types) = match blocks {
8910 Ok(blocks) => blocks,
8911 Err(resized_blocks) => {
8912 self.editor.update(cx, |editor, cx| {
8913 editor.resize_blocks(
8914 resized_blocks,
8915 autoscroll_request.map(|(autoscroll, _)| autoscroll),
8916 cx,
8917 )
8918 });
8919 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
8920 }
8921 };
8922
8923 let sticky_buffer_header = sticky_header_excerpt.map(|sticky_header_excerpt| {
8924 window.with_element_namespace("blocks", |window| {
8925 self.layout_sticky_buffer_header(
8926 sticky_header_excerpt,
8927 scroll_position.y,
8928 line_height,
8929 right_margin,
8930 &snapshot,
8931 &hitbox,
8932 &selected_buffer_ids,
8933 &blocks,
8934 window,
8935 cx,
8936 )
8937 })
8938 });
8939
8940 let start_buffer_row =
8941 MultiBufferRow(start_anchor.to_point(&snapshot.buffer_snapshot).row);
8942 let end_buffer_row =
8943 MultiBufferRow(end_anchor.to_point(&snapshot.buffer_snapshot).row);
8944
8945 let scroll_max = point(
8946 ((scroll_width - editor_width) / em_advance).max(0.0),
8947 max_scroll_top,
8948 );
8949
8950 self.editor.update(cx, |editor, cx| {
8951 if editor.scroll_manager.clamp_scroll_left(scroll_max.x) {
8952 scroll_position.x = scroll_position.x.min(scroll_max.x);
8953 }
8954
8955 if needs_horizontal_autoscroll.0
8956 && let Some(new_scroll_position) = editor.autoscroll_horizontally(
8957 start_row,
8958 editor_width,
8959 scroll_width,
8960 em_advance,
8961 &line_layouts,
8962 autoscroll_request,
8963 window,
8964 cx,
8965 )
8966 {
8967 scroll_position = new_scroll_position;
8968 }
8969 });
8970
8971 let scroll_pixel_position = point(
8972 scroll_position.x * em_advance,
8973 scroll_position.y * line_height,
8974 );
8975 let indent_guides = self.layout_indent_guides(
8976 content_origin,
8977 text_hitbox.origin,
8978 start_buffer_row..end_buffer_row,
8979 scroll_pixel_position,
8980 line_height,
8981 &snapshot,
8982 window,
8983 cx,
8984 );
8985
8986 let crease_trailers =
8987 window.with_element_namespace("crease_trailers", |window| {
8988 self.prepaint_crease_trailers(
8989 crease_trailers,
8990 &line_layouts,
8991 line_height,
8992 content_origin,
8993 scroll_pixel_position,
8994 em_width,
8995 window,
8996 cx,
8997 )
8998 });
8999
9000 let (edit_prediction_popover, edit_prediction_popover_origin) = self
9001 .editor
9002 .update(cx, |editor, cx| {
9003 editor.render_edit_prediction_popover(
9004 &text_hitbox.bounds,
9005 content_origin,
9006 right_margin,
9007 &snapshot,
9008 start_row..end_row,
9009 scroll_position.y,
9010 scroll_position.y + height_in_lines,
9011 &line_layouts,
9012 line_height,
9013 scroll_pixel_position,
9014 newest_selection_head,
9015 editor_width,
9016 style,
9017 window,
9018 cx,
9019 )
9020 })
9021 .unzip();
9022
9023 let mut inline_diagnostics = self.layout_inline_diagnostics(
9024 &line_layouts,
9025 &crease_trailers,
9026 &row_block_types,
9027 content_origin,
9028 scroll_pixel_position,
9029 edit_prediction_popover_origin,
9030 start_row,
9031 end_row,
9032 line_height,
9033 em_width,
9034 style,
9035 window,
9036 cx,
9037 );
9038
9039 let mut inline_blame_layout = None;
9040 let mut inline_code_actions = None;
9041 if let Some(newest_selection_head) = newest_selection_head {
9042 let display_row = newest_selection_head.row();
9043 if (start_row..end_row).contains(&display_row)
9044 && !row_block_types.contains_key(&display_row)
9045 {
9046 inline_code_actions = self.layout_inline_code_actions(
9047 newest_selection_head,
9048 content_origin,
9049 scroll_pixel_position,
9050 line_height,
9051 &snapshot,
9052 window,
9053 cx,
9054 );
9055
9056 let line_ix = display_row.minus(start_row) as usize;
9057 if let (Some(row_info), Some(line_layout), Some(crease_trailer)) = (
9058 row_infos.get(line_ix),
9059 line_layouts.get(line_ix),
9060 crease_trailers.get(line_ix),
9061 ) {
9062 let crease_trailer_layout = crease_trailer.as_ref();
9063 if let Some(layout) = self.layout_inline_blame(
9064 display_row,
9065 row_info,
9066 line_layout,
9067 crease_trailer_layout,
9068 em_width,
9069 content_origin,
9070 scroll_pixel_position,
9071 line_height,
9072 &text_hitbox,
9073 window,
9074 cx,
9075 ) {
9076 inline_blame_layout = Some(layout);
9077 // Blame overrides inline diagnostics
9078 inline_diagnostics.remove(&display_row);
9079 }
9080 } else {
9081 log::error!(
9082 "bug: line_ix {} is out of bounds - row_infos.len(): {}, \
9083 line_layouts.len(): {}, \
9084 crease_trailers.len(): {}",
9085 line_ix,
9086 row_infos.len(),
9087 line_layouts.len(),
9088 crease_trailers.len(),
9089 );
9090 }
9091 }
9092 }
9093
9094 let blamed_display_rows = self.layout_blame_entries(
9095 &row_infos,
9096 em_width,
9097 scroll_position,
9098 line_height,
9099 &gutter_hitbox,
9100 gutter_dimensions.git_blame_entries_width,
9101 window,
9102 cx,
9103 );
9104
9105 let line_elements = self.prepaint_lines(
9106 start_row,
9107 &mut line_layouts,
9108 line_height,
9109 scroll_pixel_position,
9110 content_origin,
9111 window,
9112 cx,
9113 );
9114
9115 window.with_element_namespace("blocks", |window| {
9116 self.layout_blocks(
9117 &mut blocks,
9118 &hitbox,
9119 line_height,
9120 scroll_pixel_position,
9121 window,
9122 cx,
9123 );
9124 });
9125
9126 let cursors = self.collect_cursors(&snapshot, cx);
9127 let visible_row_range = start_row..end_row;
9128 let non_visible_cursors = cursors
9129 .iter()
9130 .any(|c| !visible_row_range.contains(&c.0.row()));
9131
9132 let visible_cursors = self.layout_visible_cursors(
9133 &snapshot,
9134 &selections,
9135 &row_block_types,
9136 start_row..end_row,
9137 &line_layouts,
9138 &text_hitbox,
9139 content_origin,
9140 scroll_position,
9141 scroll_pixel_position,
9142 line_height,
9143 em_width,
9144 em_advance,
9145 autoscroll_containing_element,
9146 window,
9147 cx,
9148 );
9149
9150 let scrollbars_layout = self.layout_scrollbars(
9151 &snapshot,
9152 &scrollbar_layout_information,
9153 content_offset,
9154 scroll_position,
9155 non_visible_cursors,
9156 right_margin,
9157 editor_width,
9158 window,
9159 cx,
9160 );
9161
9162 let gutter_settings = EditorSettings::get_global(cx).gutter;
9163
9164 let context_menu_layout =
9165 if let Some(newest_selection_head) = newest_selection_head {
9166 let newest_selection_point =
9167 newest_selection_head.to_point(&snapshot.display_snapshot);
9168 if (start_row..end_row).contains(&newest_selection_head.row()) {
9169 self.layout_cursor_popovers(
9170 line_height,
9171 &text_hitbox,
9172 content_origin,
9173 right_margin,
9174 start_row,
9175 scroll_pixel_position,
9176 &line_layouts,
9177 newest_selection_head,
9178 newest_selection_point,
9179 style,
9180 window,
9181 cx,
9182 )
9183 } else {
9184 None
9185 }
9186 } else {
9187 None
9188 };
9189
9190 self.layout_gutter_menu(
9191 line_height,
9192 &text_hitbox,
9193 content_origin,
9194 right_margin,
9195 scroll_pixel_position,
9196 gutter_dimensions.width - gutter_dimensions.left_padding,
9197 window,
9198 cx,
9199 );
9200
9201 let test_indicators = if gutter_settings.runnables {
9202 self.layout_run_indicators(
9203 line_height,
9204 start_row..end_row,
9205 &row_infos,
9206 scroll_pixel_position,
9207 &gutter_dimensions,
9208 &gutter_hitbox,
9209 &display_hunks,
9210 &snapshot,
9211 &mut breakpoint_rows,
9212 window,
9213 cx,
9214 )
9215 } else {
9216 Vec::new()
9217 };
9218
9219 let show_breakpoints = snapshot
9220 .show_breakpoints
9221 .unwrap_or(gutter_settings.breakpoints);
9222 let breakpoints = if show_breakpoints {
9223 self.layout_breakpoints(
9224 line_height,
9225 start_row..end_row,
9226 scroll_pixel_position,
9227 &gutter_dimensions,
9228 &gutter_hitbox,
9229 &display_hunks,
9230 &snapshot,
9231 breakpoint_rows,
9232 &row_infos,
9233 window,
9234 cx,
9235 )
9236 } else {
9237 Vec::new()
9238 };
9239
9240 self.layout_signature_help(
9241 &hitbox,
9242 content_origin,
9243 scroll_pixel_position,
9244 newest_selection_head,
9245 start_row,
9246 &line_layouts,
9247 line_height,
9248 em_width,
9249 context_menu_layout,
9250 window,
9251 cx,
9252 );
9253
9254 if !cx.has_active_drag() {
9255 self.layout_hover_popovers(
9256 &snapshot,
9257 &hitbox,
9258 start_row..end_row,
9259 content_origin,
9260 scroll_pixel_position,
9261 &line_layouts,
9262 line_height,
9263 em_width,
9264 context_menu_layout,
9265 window,
9266 cx,
9267 );
9268 }
9269
9270 let mouse_context_menu = self.layout_mouse_context_menu(
9271 &snapshot,
9272 start_row..end_row,
9273 content_origin,
9274 window,
9275 cx,
9276 );
9277
9278 window.with_element_namespace("crease_toggles", |window| {
9279 self.prepaint_crease_toggles(
9280 &mut crease_toggles,
9281 line_height,
9282 &gutter_dimensions,
9283 gutter_settings,
9284 scroll_pixel_position,
9285 &gutter_hitbox,
9286 window,
9287 cx,
9288 )
9289 });
9290
9291 window.with_element_namespace("expand_toggles", |window| {
9292 self.prepaint_expand_toggles(&mut expand_toggles, window, cx)
9293 });
9294
9295 let wrap_guides = self.layout_wrap_guides(
9296 em_advance,
9297 scroll_position,
9298 content_origin,
9299 scrollbars_layout.as_ref(),
9300 vertical_scrollbar_width,
9301 &hitbox,
9302 window,
9303 cx,
9304 );
9305
9306 let minimap = window.with_element_namespace("minimap", |window| {
9307 self.layout_minimap(
9308 &snapshot,
9309 minimap_width,
9310 scroll_position,
9311 &scrollbar_layout_information,
9312 scrollbars_layout.as_ref(),
9313 window,
9314 cx,
9315 )
9316 });
9317
9318 let invisible_symbol_font_size = font_size / 2.;
9319 let whitespace_map = &self
9320 .editor
9321 .read(cx)
9322 .buffer
9323 .read(cx)
9324 .language_settings(cx)
9325 .whitespace_map;
9326
9327 let tab_char = whitespace_map.tab();
9328 let tab_len = tab_char.len();
9329 let tab_invisible = window.text_system().shape_line(
9330 tab_char,
9331 invisible_symbol_font_size,
9332 &[TextRun {
9333 len: tab_len,
9334 font: self.style.text.font(),
9335 color: cx.theme().colors().editor_invisible,
9336 background_color: None,
9337 underline: None,
9338 strikethrough: None,
9339 }],
9340 None,
9341 );
9342
9343 let space_char = whitespace_map.space();
9344 let space_len = space_char.len();
9345 let space_invisible = window.text_system().shape_line(
9346 space_char,
9347 invisible_symbol_font_size,
9348 &[TextRun {
9349 len: space_len,
9350 font: self.style.text.font(),
9351 color: cx.theme().colors().editor_invisible,
9352 background_color: None,
9353 underline: None,
9354 strikethrough: None,
9355 }],
9356 None,
9357 );
9358
9359 let mode = snapshot.mode.clone();
9360
9361 let (diff_hunk_controls, diff_hunk_control_bounds) = if is_read_only {
9362 (vec![], vec![])
9363 } else {
9364 self.layout_diff_hunk_controls(
9365 start_row..end_row,
9366 &row_infos,
9367 &text_hitbox,
9368 newest_selection_head,
9369 line_height,
9370 right_margin,
9371 scroll_pixel_position,
9372 &display_hunks,
9373 &highlighted_rows,
9374 self.editor.clone(),
9375 window,
9376 cx,
9377 )
9378 };
9379
9380 let position_map = Rc::new(PositionMap {
9381 size: bounds.size,
9382 visible_row_range,
9383 scroll_pixel_position,
9384 scroll_max,
9385 line_layouts,
9386 line_height,
9387 em_width,
9388 em_advance,
9389 snapshot,
9390 gutter_hitbox: gutter_hitbox.clone(),
9391 text_hitbox: text_hitbox.clone(),
9392 inline_blame_bounds: inline_blame_layout
9393 .as_ref()
9394 .map(|layout| (layout.bounds, layout.buffer_id, layout.entry.clone())),
9395 display_hunks: display_hunks.clone(),
9396 diff_hunk_control_bounds,
9397 });
9398
9399 self.editor.update(cx, |editor, _| {
9400 editor.last_position_map = Some(position_map.clone())
9401 });
9402
9403 EditorLayout {
9404 mode,
9405 position_map,
9406 visible_display_row_range: start_row..end_row,
9407 wrap_guides,
9408 indent_guides,
9409 hitbox,
9410 gutter_hitbox,
9411 display_hunks,
9412 content_origin,
9413 scrollbars_layout,
9414 minimap,
9415 active_rows,
9416 highlighted_rows,
9417 highlighted_ranges,
9418 highlighted_gutter_ranges,
9419 redacted_ranges,
9420 document_colors,
9421 line_elements,
9422 line_numbers,
9423 blamed_display_rows,
9424 inline_diagnostics,
9425 inline_blame_layout,
9426 inline_code_actions,
9427 blocks,
9428 cursors,
9429 visible_cursors,
9430 selections,
9431 edit_prediction_popover,
9432 diff_hunk_controls,
9433 mouse_context_menu,
9434 test_indicators,
9435 breakpoints,
9436 crease_toggles,
9437 crease_trailers,
9438 tab_invisible,
9439 space_invisible,
9440 sticky_buffer_header,
9441 expand_toggles,
9442 }
9443 })
9444 })
9445 })
9446 }
9447
9448 fn paint(
9449 &mut self,
9450 _: Option<&GlobalElementId>,
9451 _inspector_id: Option<&gpui::InspectorElementId>,
9452 bounds: Bounds<gpui::Pixels>,
9453 _: &mut Self::RequestLayoutState,
9454 layout: &mut Self::PrepaintState,
9455 window: &mut Window,
9456 cx: &mut App,
9457 ) {
9458 if !layout.mode.is_minimap() {
9459 let focus_handle = self.editor.focus_handle(cx);
9460 let key_context = self
9461 .editor
9462 .update(cx, |editor, cx| editor.key_context(window, cx));
9463
9464 window.set_key_context(key_context);
9465 window.handle_input(
9466 &focus_handle,
9467 ElementInputHandler::new(bounds, self.editor.clone()),
9468 cx,
9469 );
9470 self.register_actions(window, cx);
9471 self.register_key_listeners(window, cx, layout);
9472 }
9473
9474 let text_style = TextStyleRefinement {
9475 font_size: Some(self.style.text.font_size),
9476 line_height: Some(self.style.text.line_height),
9477 ..Default::default()
9478 };
9479 let rem_size = self.rem_size(cx);
9480 window.with_rem_size(rem_size, |window| {
9481 window.with_text_style(Some(text_style), |window| {
9482 window.with_content_mask(Some(ContentMask { bounds }), |window| {
9483 self.paint_mouse_listeners(layout, window, cx);
9484 self.paint_background(layout, window, cx);
9485 self.paint_indent_guides(layout, window, cx);
9486
9487 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9488 self.paint_blamed_display_rows(layout, window, cx);
9489 self.paint_line_numbers(layout, window, cx);
9490 }
9491
9492 self.paint_text(layout, window, cx);
9493
9494 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9495 self.paint_gutter_highlights(layout, window, cx);
9496 self.paint_gutter_indicators(layout, window, cx);
9497 }
9498
9499 if !layout.blocks.is_empty() {
9500 window.with_element_namespace("blocks", |window| {
9501 self.paint_blocks(layout, window, cx);
9502 });
9503 }
9504
9505 window.with_element_namespace("blocks", |window| {
9506 if let Some(mut sticky_header) = layout.sticky_buffer_header.take() {
9507 sticky_header.paint(window, cx)
9508 }
9509 });
9510
9511 self.paint_minimap(layout, window, cx);
9512 self.paint_scrollbars(layout, window, cx);
9513 self.paint_edit_prediction_popover(layout, window, cx);
9514 self.paint_mouse_context_menu(layout, window, cx);
9515 });
9516 })
9517 })
9518 }
9519}
9520
9521pub(super) fn gutter_bounds(
9522 editor_bounds: Bounds<Pixels>,
9523 gutter_dimensions: GutterDimensions,
9524) -> Bounds<Pixels> {
9525 Bounds {
9526 origin: editor_bounds.origin,
9527 size: size(gutter_dimensions.width, editor_bounds.size.height),
9528 }
9529}
9530
9531#[derive(Clone, Copy)]
9532struct ContextMenuLayout {
9533 y_flipped: bool,
9534 bounds: Bounds<Pixels>,
9535}
9536
9537/// Holds information required for layouting the editor scrollbars.
9538struct ScrollbarLayoutInformation {
9539 /// The bounds of the editor area (excluding the content offset).
9540 editor_bounds: Bounds<Pixels>,
9541 /// The available range to scroll within the document.
9542 scroll_range: Size<Pixels>,
9543 /// The space available for one glyph in the editor.
9544 glyph_grid_cell: Size<Pixels>,
9545}
9546
9547impl ScrollbarLayoutInformation {
9548 pub fn new(
9549 editor_bounds: Bounds<Pixels>,
9550 glyph_grid_cell: Size<Pixels>,
9551 document_size: Size<Pixels>,
9552 longest_line_blame_width: Pixels,
9553 settings: &EditorSettings,
9554 ) -> Self {
9555 let vertical_overscroll = match settings.scroll_beyond_last_line {
9556 ScrollBeyondLastLine::OnePage => editor_bounds.size.height,
9557 ScrollBeyondLastLine::Off => glyph_grid_cell.height,
9558 ScrollBeyondLastLine::VerticalScrollMargin => {
9559 (1.0 + settings.vertical_scroll_margin) * glyph_grid_cell.height
9560 }
9561 };
9562
9563 let overscroll = size(longest_line_blame_width, vertical_overscroll);
9564
9565 ScrollbarLayoutInformation {
9566 editor_bounds,
9567 scroll_range: document_size + overscroll,
9568 glyph_grid_cell,
9569 }
9570 }
9571}
9572
9573impl IntoElement for EditorElement {
9574 type Element = Self;
9575
9576 fn into_element(self) -> Self::Element {
9577 self
9578 }
9579}
9580
9581pub struct EditorLayout {
9582 position_map: Rc<PositionMap>,
9583 hitbox: Hitbox,
9584 gutter_hitbox: Hitbox,
9585 content_origin: gpui::Point<Pixels>,
9586 scrollbars_layout: Option<EditorScrollbars>,
9587 minimap: Option<MinimapLayout>,
9588 mode: EditorMode,
9589 wrap_guides: SmallVec<[(Pixels, bool); 2]>,
9590 indent_guides: Option<Vec<IndentGuideLayout>>,
9591 visible_display_row_range: Range<DisplayRow>,
9592 active_rows: BTreeMap<DisplayRow, LineHighlightSpec>,
9593 highlighted_rows: BTreeMap<DisplayRow, LineHighlight>,
9594 line_elements: SmallVec<[AnyElement; 1]>,
9595 line_numbers: Arc<HashMap<MultiBufferRow, LineNumberLayout>>,
9596 display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
9597 blamed_display_rows: Option<Vec<AnyElement>>,
9598 inline_diagnostics: HashMap<DisplayRow, AnyElement>,
9599 inline_blame_layout: Option<InlineBlameLayout>,
9600 inline_code_actions: Option<AnyElement>,
9601 blocks: Vec<BlockLayout>,
9602 highlighted_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9603 highlighted_gutter_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9604 redacted_ranges: Vec<Range<DisplayPoint>>,
9605 cursors: Vec<(DisplayPoint, Hsla)>,
9606 visible_cursors: Vec<CursorLayout>,
9607 selections: Vec<(PlayerColor, Vec<SelectionLayout>)>,
9608 test_indicators: Vec<AnyElement>,
9609 breakpoints: Vec<AnyElement>,
9610 crease_toggles: Vec<Option<AnyElement>>,
9611 expand_toggles: Vec<Option<(AnyElement, gpui::Point<Pixels>)>>,
9612 diff_hunk_controls: Vec<AnyElement>,
9613 crease_trailers: Vec<Option<CreaseTrailerLayout>>,
9614 edit_prediction_popover: Option<AnyElement>,
9615 mouse_context_menu: Option<AnyElement>,
9616 tab_invisible: ShapedLine,
9617 space_invisible: ShapedLine,
9618 sticky_buffer_header: Option<AnyElement>,
9619 document_colors: Option<(DocumentColorsRenderMode, Vec<(Range<DisplayPoint>, Hsla)>)>,
9620}
9621
9622impl EditorLayout {
9623 fn line_end_overshoot(&self) -> Pixels {
9624 0.15 * self.position_map.line_height
9625 }
9626}
9627
9628struct LineNumberLayout {
9629 shaped_line: ShapedLine,
9630 hitbox: Option<Hitbox>,
9631}
9632
9633struct ColoredRange<T> {
9634 start: T,
9635 end: T,
9636 color: Hsla,
9637}
9638
9639impl Along for ScrollbarAxes {
9640 type Unit = bool;
9641
9642 fn along(&self, axis: ScrollbarAxis) -> Self::Unit {
9643 match axis {
9644 ScrollbarAxis::Horizontal => self.horizontal,
9645 ScrollbarAxis::Vertical => self.vertical,
9646 }
9647 }
9648
9649 fn apply_along(&self, axis: ScrollbarAxis, f: impl FnOnce(Self::Unit) -> Self::Unit) -> Self {
9650 match axis {
9651 ScrollbarAxis::Horizontal => ScrollbarAxes {
9652 horizontal: f(self.horizontal),
9653 vertical: self.vertical,
9654 },
9655 ScrollbarAxis::Vertical => ScrollbarAxes {
9656 horizontal: self.horizontal,
9657 vertical: f(self.vertical),
9658 },
9659 }
9660 }
9661}
9662
9663#[derive(Clone)]
9664struct EditorScrollbars {
9665 pub vertical: Option<ScrollbarLayout>,
9666 pub horizontal: Option<ScrollbarLayout>,
9667 pub visible: bool,
9668}
9669
9670impl EditorScrollbars {
9671 pub fn from_scrollbar_axes(
9672 show_scrollbar: ScrollbarAxes,
9673 layout_information: &ScrollbarLayoutInformation,
9674 content_offset: gpui::Point<Pixels>,
9675 scroll_position: gpui::Point<f32>,
9676 scrollbar_width: Pixels,
9677 right_margin: Pixels,
9678 editor_width: Pixels,
9679 show_scrollbars: bool,
9680 scrollbar_state: Option<&ActiveScrollbarState>,
9681 window: &mut Window,
9682 ) -> Self {
9683 let ScrollbarLayoutInformation {
9684 editor_bounds,
9685 scroll_range,
9686 glyph_grid_cell,
9687 } = layout_information;
9688
9689 let viewport_size = size(editor_width, editor_bounds.size.height);
9690
9691 let scrollbar_bounds_for = |axis: ScrollbarAxis| match axis {
9692 ScrollbarAxis::Horizontal => Bounds::from_corner_and_size(
9693 Corner::BottomLeft,
9694 editor_bounds.bottom_left(),
9695 size(
9696 // The horizontal viewport size differs from the space available for the
9697 // horizontal scrollbar, so we have to manually stitch it together here.
9698 editor_bounds.size.width - right_margin,
9699 scrollbar_width,
9700 ),
9701 ),
9702 ScrollbarAxis::Vertical => Bounds::from_corner_and_size(
9703 Corner::TopRight,
9704 editor_bounds.top_right(),
9705 size(scrollbar_width, viewport_size.height),
9706 ),
9707 };
9708
9709 let mut create_scrollbar_layout = |axis| {
9710 let viewport_size = viewport_size.along(axis);
9711 let scroll_range = scroll_range.along(axis);
9712
9713 // We always want a vertical scrollbar track for scrollbar diagnostic visibility.
9714 (show_scrollbar.along(axis)
9715 && (axis == ScrollbarAxis::Vertical || scroll_range > viewport_size))
9716 .then(|| {
9717 ScrollbarLayout::new(
9718 window.insert_hitbox(scrollbar_bounds_for(axis), HitboxBehavior::Normal),
9719 viewport_size,
9720 scroll_range,
9721 glyph_grid_cell.along(axis),
9722 content_offset.along(axis),
9723 scroll_position.along(axis),
9724 show_scrollbars,
9725 axis,
9726 )
9727 .with_thumb_state(
9728 scrollbar_state.and_then(|state| state.thumb_state_for_axis(axis)),
9729 )
9730 })
9731 };
9732
9733 Self {
9734 vertical: create_scrollbar_layout(ScrollbarAxis::Vertical),
9735 horizontal: create_scrollbar_layout(ScrollbarAxis::Horizontal),
9736 visible: show_scrollbars,
9737 }
9738 }
9739
9740 pub fn iter_scrollbars(&self) -> impl Iterator<Item = (&ScrollbarLayout, ScrollbarAxis)> + '_ {
9741 [
9742 (&self.vertical, ScrollbarAxis::Vertical),
9743 (&self.horizontal, ScrollbarAxis::Horizontal),
9744 ]
9745 .into_iter()
9746 .filter_map(|(scrollbar, axis)| scrollbar.as_ref().map(|s| (s, axis)))
9747 }
9748
9749 /// Returns the currently hovered scrollbar axis, if any.
9750 pub fn get_hovered_axis(&self, window: &Window) -> Option<(&ScrollbarLayout, ScrollbarAxis)> {
9751 self.iter_scrollbars()
9752 .find(|s| s.0.hitbox.is_hovered(window))
9753 }
9754}
9755
9756#[derive(Clone)]
9757struct ScrollbarLayout {
9758 hitbox: Hitbox,
9759 visible_range: Range<f32>,
9760 text_unit_size: Pixels,
9761 thumb_bounds: Option<Bounds<Pixels>>,
9762 thumb_state: ScrollbarThumbState,
9763}
9764
9765impl ScrollbarLayout {
9766 const BORDER_WIDTH: Pixels = px(1.0);
9767 const LINE_MARKER_HEIGHT: Pixels = px(2.0);
9768 const MIN_MARKER_HEIGHT: Pixels = px(5.0);
9769 const MIN_THUMB_SIZE: Pixels = px(25.0);
9770
9771 fn new(
9772 scrollbar_track_hitbox: Hitbox,
9773 viewport_size: Pixels,
9774 scroll_range: Pixels,
9775 glyph_space: Pixels,
9776 content_offset: Pixels,
9777 scroll_position: f32,
9778 show_thumb: bool,
9779 axis: ScrollbarAxis,
9780 ) -> Self {
9781 let track_bounds = scrollbar_track_hitbox.bounds;
9782 // The length of the track available to the scrollbar thumb. We deliberately
9783 // exclude the content size here so that the thumb aligns with the content.
9784 let track_length = track_bounds.size.along(axis) - content_offset;
9785
9786 Self::new_with_hitbox_and_track_length(
9787 scrollbar_track_hitbox,
9788 track_length,
9789 viewport_size,
9790 scroll_range,
9791 glyph_space,
9792 content_offset,
9793 scroll_position,
9794 show_thumb,
9795 axis,
9796 )
9797 }
9798
9799 fn for_minimap(
9800 minimap_track_hitbox: Hitbox,
9801 visible_lines: f32,
9802 total_editor_lines: f32,
9803 minimap_line_height: Pixels,
9804 scroll_position: f32,
9805 minimap_scroll_top: f32,
9806 show_thumb: bool,
9807 ) -> Self {
9808 // The scrollbar thumb size is calculated as
9809 // (visible_content/total_content) Γ scrollbar_track_length.
9810 //
9811 // For the minimap's thumb layout, we leverage this by setting the
9812 // scrollbar track length to the entire document size (using minimap line
9813 // height). This creates a thumb that exactly represents the editor
9814 // viewport scaled to minimap proportions.
9815 //
9816 // We adjust the thumb position relative to `minimap_scroll_top` to
9817 // accommodate for the deliberately oversized track.
9818 //
9819 // This approach ensures that the minimap thumb accurately reflects the
9820 // editor's current scroll position whilst nicely synchronizing the minimap
9821 // thumb and scrollbar thumb.
9822 let scroll_range = total_editor_lines * minimap_line_height;
9823 let viewport_size = visible_lines * minimap_line_height;
9824
9825 let track_top_offset = -minimap_scroll_top * minimap_line_height;
9826
9827 Self::new_with_hitbox_and_track_length(
9828 minimap_track_hitbox,
9829 scroll_range,
9830 viewport_size,
9831 scroll_range,
9832 minimap_line_height,
9833 track_top_offset,
9834 scroll_position,
9835 show_thumb,
9836 ScrollbarAxis::Vertical,
9837 )
9838 }
9839
9840 fn new_with_hitbox_and_track_length(
9841 scrollbar_track_hitbox: Hitbox,
9842 track_length: Pixels,
9843 viewport_size: Pixels,
9844 scroll_range: Pixels,
9845 glyph_space: Pixels,
9846 content_offset: Pixels,
9847 scroll_position: f32,
9848 show_thumb: bool,
9849 axis: ScrollbarAxis,
9850 ) -> Self {
9851 let text_units_per_page = viewport_size / glyph_space;
9852 let visible_range = scroll_position..scroll_position + text_units_per_page;
9853 let total_text_units = scroll_range / glyph_space;
9854
9855 let thumb_percentage = text_units_per_page / total_text_units;
9856 let thumb_size = (track_length * thumb_percentage)
9857 .max(ScrollbarLayout::MIN_THUMB_SIZE)
9858 .min(track_length);
9859
9860 let text_unit_divisor = (total_text_units - text_units_per_page).max(0.);
9861
9862 let content_larger_than_viewport = text_unit_divisor > 0.;
9863
9864 let text_unit_size = if content_larger_than_viewport {
9865 (track_length - thumb_size) / text_unit_divisor
9866 } else {
9867 glyph_space
9868 };
9869
9870 let thumb_bounds = (show_thumb && content_larger_than_viewport).then(|| {
9871 Self::thumb_bounds(
9872 &scrollbar_track_hitbox,
9873 content_offset,
9874 visible_range.start,
9875 text_unit_size,
9876 thumb_size,
9877 axis,
9878 )
9879 });
9880
9881 ScrollbarLayout {
9882 hitbox: scrollbar_track_hitbox,
9883 visible_range,
9884 text_unit_size,
9885 thumb_bounds,
9886 thumb_state: Default::default(),
9887 }
9888 }
9889
9890 fn with_thumb_state(self, thumb_state: Option<ScrollbarThumbState>) -> Self {
9891 if let Some(thumb_state) = thumb_state {
9892 Self {
9893 thumb_state,
9894 ..self
9895 }
9896 } else {
9897 self
9898 }
9899 }
9900
9901 fn thumb_bounds(
9902 scrollbar_track: &Hitbox,
9903 content_offset: Pixels,
9904 visible_range_start: f32,
9905 text_unit_size: Pixels,
9906 thumb_size: Pixels,
9907 axis: ScrollbarAxis,
9908 ) -> Bounds<Pixels> {
9909 let thumb_origin = scrollbar_track.origin.apply_along(axis, |origin| {
9910 origin + content_offset + visible_range_start * text_unit_size
9911 });
9912 Bounds::new(
9913 thumb_origin,
9914 scrollbar_track.size.apply_along(axis, |_| thumb_size),
9915 )
9916 }
9917
9918 fn thumb_hovered(&self, position: &gpui::Point<Pixels>) -> bool {
9919 self.thumb_bounds
9920 .is_some_and(|bounds| bounds.contains(position))
9921 }
9922
9923 fn marker_quads_for_ranges(
9924 &self,
9925 row_ranges: impl IntoIterator<Item = ColoredRange<DisplayRow>>,
9926 column: Option<usize>,
9927 ) -> Vec<PaintQuad> {
9928 struct MinMax {
9929 min: Pixels,
9930 max: Pixels,
9931 }
9932 let (x_range, height_limit) = if let Some(column) = column {
9933 let column_width = px(((self.hitbox.size.width - Self::BORDER_WIDTH).0 / 3.0).floor());
9934 let start = Self::BORDER_WIDTH + (column as f32 * column_width);
9935 let end = start + column_width;
9936 (
9937 Range { start, end },
9938 MinMax {
9939 min: Self::MIN_MARKER_HEIGHT,
9940 max: px(f32::MAX),
9941 },
9942 )
9943 } else {
9944 (
9945 Range {
9946 start: Self::BORDER_WIDTH,
9947 end: self.hitbox.size.width,
9948 },
9949 MinMax {
9950 min: Self::LINE_MARKER_HEIGHT,
9951 max: Self::LINE_MARKER_HEIGHT,
9952 },
9953 )
9954 };
9955
9956 let row_to_y = |row: DisplayRow| row.as_f32() * self.text_unit_size;
9957 let mut pixel_ranges = row_ranges
9958 .into_iter()
9959 .map(|range| {
9960 let start_y = row_to_y(range.start);
9961 let end_y = row_to_y(range.end)
9962 + self
9963 .text_unit_size
9964 .max(height_limit.min)
9965 .min(height_limit.max);
9966 ColoredRange {
9967 start: start_y,
9968 end: end_y,
9969 color: range.color,
9970 }
9971 })
9972 .peekable();
9973
9974 let mut quads = Vec::new();
9975 while let Some(mut pixel_range) = pixel_ranges.next() {
9976 while let Some(next_pixel_range) = pixel_ranges.peek() {
9977 if pixel_range.end >= next_pixel_range.start - px(1.0)
9978 && pixel_range.color == next_pixel_range.color
9979 {
9980 pixel_range.end = next_pixel_range.end.max(pixel_range.end);
9981 pixel_ranges.next();
9982 } else {
9983 break;
9984 }
9985 }
9986
9987 let bounds = Bounds::from_corners(
9988 point(x_range.start, pixel_range.start),
9989 point(x_range.end, pixel_range.end),
9990 );
9991 quads.push(quad(
9992 bounds,
9993 Corners::default(),
9994 pixel_range.color,
9995 Edges::default(),
9996 Hsla::transparent_black(),
9997 BorderStyle::default(),
9998 ));
9999 }
10000
10001 quads
10002 }
10003}
10004
10005struct MinimapLayout {
10006 pub minimap: AnyElement,
10007 pub thumb_layout: ScrollbarLayout,
10008 pub minimap_scroll_top: f32,
10009 pub minimap_line_height: Pixels,
10010 pub thumb_border_style: MinimapThumbBorder,
10011 pub max_scroll_top: f32,
10012}
10013
10014impl MinimapLayout {
10015 /// The minimum width of the minimap in columns. If the minimap is smaller than this, it will be hidden.
10016 const MINIMAP_MIN_WIDTH_COLUMNS: f32 = 20.;
10017 /// The minimap width as a percentage of the editor width.
10018 const MINIMAP_WIDTH_PCT: f32 = 0.15;
10019 /// Calculates the scroll top offset the minimap editor has to have based on the
10020 /// current scroll progress.
10021 fn calculate_minimap_top_offset(
10022 document_lines: f32,
10023 visible_editor_lines: f32,
10024 visible_minimap_lines: f32,
10025 scroll_position: f32,
10026 ) -> f32 {
10027 let non_visible_document_lines = (document_lines - visible_editor_lines).max(0.);
10028 if non_visible_document_lines == 0. {
10029 0.
10030 } else {
10031 let scroll_percentage = (scroll_position / non_visible_document_lines).clamp(0., 1.);
10032 scroll_percentage * (document_lines - visible_minimap_lines).max(0.)
10033 }
10034 }
10035}
10036
10037struct CreaseTrailerLayout {
10038 element: AnyElement,
10039 bounds: Bounds<Pixels>,
10040}
10041
10042pub(crate) struct PositionMap {
10043 pub size: Size<Pixels>,
10044 pub line_height: Pixels,
10045 pub scroll_pixel_position: gpui::Point<Pixels>,
10046 pub scroll_max: gpui::Point<f32>,
10047 pub em_width: Pixels,
10048 pub em_advance: Pixels,
10049 pub visible_row_range: Range<DisplayRow>,
10050 pub line_layouts: Vec<LineWithInvisibles>,
10051 pub snapshot: EditorSnapshot,
10052 pub text_hitbox: Hitbox,
10053 pub gutter_hitbox: Hitbox,
10054 pub inline_blame_bounds: Option<(Bounds<Pixels>, BufferId, BlameEntry)>,
10055 pub display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
10056 pub diff_hunk_control_bounds: Vec<(DisplayRow, Bounds<Pixels>)>,
10057}
10058
10059#[derive(Debug, Copy, Clone)]
10060pub struct PointForPosition {
10061 pub previous_valid: DisplayPoint,
10062 pub next_valid: DisplayPoint,
10063 pub exact_unclipped: DisplayPoint,
10064 pub column_overshoot_after_line_end: u32,
10065}
10066
10067impl PointForPosition {
10068 pub fn as_valid(&self) -> Option<DisplayPoint> {
10069 if self.previous_valid == self.exact_unclipped && self.next_valid == self.exact_unclipped {
10070 Some(self.previous_valid)
10071 } else {
10072 None
10073 }
10074 }
10075
10076 pub fn intersects_selection(&self, selection: &Selection<DisplayPoint>) -> bool {
10077 let Some(valid_point) = self.as_valid() else {
10078 return false;
10079 };
10080 let range = selection.range();
10081
10082 let candidate_row = valid_point.row();
10083 let candidate_col = valid_point.column();
10084
10085 let start_row = range.start.row();
10086 let start_col = range.start.column();
10087 let end_row = range.end.row();
10088 let end_col = range.end.column();
10089
10090 if candidate_row < start_row || candidate_row > end_row {
10091 false
10092 } else if start_row == end_row {
10093 candidate_col >= start_col && candidate_col < end_col
10094 } else if candidate_row == start_row {
10095 candidate_col >= start_col
10096 } else if candidate_row == end_row {
10097 candidate_col < end_col
10098 } else {
10099 true
10100 }
10101 }
10102}
10103
10104impl PositionMap {
10105 pub(crate) fn point_for_position(&self, position: gpui::Point<Pixels>) -> PointForPosition {
10106 let text_bounds = self.text_hitbox.bounds;
10107 let scroll_position = self.snapshot.scroll_position();
10108 let position = position - text_bounds.origin;
10109 let y = position.y.max(px(0.)).min(self.size.height);
10110 let x = position.x + (scroll_position.x * self.em_advance);
10111 let row = ((y / self.line_height) + scroll_position.y) as u32;
10112
10113 let (column, x_overshoot_after_line_end) = if let Some(line) = self
10114 .line_layouts
10115 .get(row as usize - scroll_position.y as usize)
10116 {
10117 if let Some(ix) = line.index_for_x(x) {
10118 (ix as u32, px(0.))
10119 } else {
10120 (line.len as u32, px(0.).max(x - line.width))
10121 }
10122 } else {
10123 (0, x)
10124 };
10125
10126 let mut exact_unclipped = DisplayPoint::new(DisplayRow(row), column);
10127 let previous_valid = self.snapshot.clip_point(exact_unclipped, Bias::Left);
10128 let next_valid = self.snapshot.clip_point(exact_unclipped, Bias::Right);
10129
10130 let column_overshoot_after_line_end = (x_overshoot_after_line_end / self.em_advance) as u32;
10131 *exact_unclipped.column_mut() += column_overshoot_after_line_end;
10132 PointForPosition {
10133 previous_valid,
10134 next_valid,
10135 exact_unclipped,
10136 column_overshoot_after_line_end,
10137 }
10138 }
10139}
10140
10141struct BlockLayout {
10142 id: BlockId,
10143 x_offset: Pixels,
10144 row: Option<DisplayRow>,
10145 element: AnyElement,
10146 available_space: Size<AvailableSpace>,
10147 style: BlockStyle,
10148 overlaps_gutter: bool,
10149 is_buffer_header: bool,
10150}
10151
10152pub fn layout_line(
10153 row: DisplayRow,
10154 snapshot: &EditorSnapshot,
10155 style: &EditorStyle,
10156 text_width: Pixels,
10157 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
10158 window: &mut Window,
10159 cx: &mut App,
10160) -> LineWithInvisibles {
10161 let chunks = snapshot.highlighted_chunks(row..row + DisplayRow(1), true, style);
10162 LineWithInvisibles::from_chunks(
10163 chunks,
10164 style,
10165 MAX_LINE_LEN,
10166 1,
10167 &snapshot.mode,
10168 text_width,
10169 is_row_soft_wrapped,
10170 &[],
10171 window,
10172 cx,
10173 )
10174 .pop()
10175 .unwrap()
10176}
10177
10178#[derive(Debug)]
10179pub struct IndentGuideLayout {
10180 origin: gpui::Point<Pixels>,
10181 length: Pixels,
10182 single_indent_width: Pixels,
10183 depth: u32,
10184 active: bool,
10185 settings: IndentGuideSettings,
10186}
10187
10188pub struct CursorLayout {
10189 origin: gpui::Point<Pixels>,
10190 block_width: Pixels,
10191 line_height: Pixels,
10192 color: Hsla,
10193 shape: CursorShape,
10194 block_text: Option<ShapedLine>,
10195 cursor_name: Option<AnyElement>,
10196}
10197
10198#[derive(Debug)]
10199pub struct CursorName {
10200 string: SharedString,
10201 color: Hsla,
10202 is_top_row: bool,
10203}
10204
10205impl CursorLayout {
10206 pub fn new(
10207 origin: gpui::Point<Pixels>,
10208 block_width: Pixels,
10209 line_height: Pixels,
10210 color: Hsla,
10211 shape: CursorShape,
10212 block_text: Option<ShapedLine>,
10213 ) -> CursorLayout {
10214 CursorLayout {
10215 origin,
10216 block_width,
10217 line_height,
10218 color,
10219 shape,
10220 block_text,
10221 cursor_name: None,
10222 }
10223 }
10224
10225 pub fn bounding_rect(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10226 Bounds {
10227 origin: self.origin + origin,
10228 size: size(self.block_width, self.line_height),
10229 }
10230 }
10231
10232 fn bounds(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10233 match self.shape {
10234 CursorShape::Bar => Bounds {
10235 origin: self.origin + origin,
10236 size: size(px(2.0), self.line_height),
10237 },
10238 CursorShape::Block | CursorShape::Hollow => Bounds {
10239 origin: self.origin + origin,
10240 size: size(self.block_width, self.line_height),
10241 },
10242 CursorShape::Underline => Bounds {
10243 origin: self.origin
10244 + origin
10245 + gpui::Point::new(Pixels::ZERO, self.line_height - px(2.0)),
10246 size: size(self.block_width, px(2.0)),
10247 },
10248 }
10249 }
10250
10251 pub fn layout(
10252 &mut self,
10253 origin: gpui::Point<Pixels>,
10254 cursor_name: Option<CursorName>,
10255 window: &mut Window,
10256 cx: &mut App,
10257 ) {
10258 if let Some(cursor_name) = cursor_name {
10259 let bounds = self.bounds(origin);
10260 let text_size = self.line_height / 1.5;
10261
10262 let name_origin = if cursor_name.is_top_row {
10263 point(bounds.right() - px(1.), bounds.top())
10264 } else {
10265 match self.shape {
10266 CursorShape::Bar => point(
10267 bounds.right() - px(2.),
10268 bounds.top() - text_size / 2. - px(1.),
10269 ),
10270 _ => point(
10271 bounds.right() - px(1.),
10272 bounds.top() - text_size / 2. - px(1.),
10273 ),
10274 }
10275 };
10276 let mut name_element = div()
10277 .bg(self.color)
10278 .text_size(text_size)
10279 .px_0p5()
10280 .line_height(text_size + px(2.))
10281 .text_color(cursor_name.color)
10282 .child(cursor_name.string)
10283 .into_any_element();
10284
10285 name_element.prepaint_as_root(name_origin, AvailableSpace::min_size(), window, cx);
10286
10287 self.cursor_name = Some(name_element);
10288 }
10289 }
10290
10291 pub fn paint(&mut self, origin: gpui::Point<Pixels>, window: &mut Window, cx: &mut App) {
10292 let bounds = self.bounds(origin);
10293
10294 //Draw background or border quad
10295 let cursor = if matches!(self.shape, CursorShape::Hollow) {
10296 outline(bounds, self.color, BorderStyle::Solid)
10297 } else {
10298 fill(bounds, self.color)
10299 };
10300
10301 if let Some(name) = &mut self.cursor_name {
10302 name.paint(window, cx);
10303 }
10304
10305 window.paint_quad(cursor);
10306
10307 if let Some(block_text) = &self.block_text {
10308 block_text
10309 .paint(self.origin + origin, self.line_height, window, cx)
10310 .log_err();
10311 }
10312 }
10313
10314 pub fn shape(&self) -> CursorShape {
10315 self.shape
10316 }
10317}
10318
10319#[derive(Debug)]
10320pub struct HighlightedRange {
10321 pub start_y: Pixels,
10322 pub line_height: Pixels,
10323 pub lines: Vec<HighlightedRangeLine>,
10324 pub color: Hsla,
10325 pub corner_radius: Pixels,
10326}
10327
10328#[derive(Debug)]
10329pub struct HighlightedRangeLine {
10330 pub start_x: Pixels,
10331 pub end_x: Pixels,
10332}
10333
10334impl HighlightedRange {
10335 pub fn paint(&self, fill: bool, bounds: Bounds<Pixels>, window: &mut Window) {
10336 if self.lines.len() >= 2 && self.lines[0].start_x > self.lines[1].end_x {
10337 self.paint_lines(self.start_y, &self.lines[0..1], fill, bounds, window);
10338 self.paint_lines(
10339 self.start_y + self.line_height,
10340 &self.lines[1..],
10341 fill,
10342 bounds,
10343 window,
10344 );
10345 } else {
10346 self.paint_lines(self.start_y, &self.lines, fill, bounds, window);
10347 }
10348 }
10349
10350 fn paint_lines(
10351 &self,
10352 start_y: Pixels,
10353 lines: &[HighlightedRangeLine],
10354 fill: bool,
10355 _bounds: Bounds<Pixels>,
10356 window: &mut Window,
10357 ) {
10358 if lines.is_empty() {
10359 return;
10360 }
10361
10362 let first_line = lines.first().unwrap();
10363 let last_line = lines.last().unwrap();
10364
10365 let first_top_left = point(first_line.start_x, start_y);
10366 let first_top_right = point(first_line.end_x, start_y);
10367
10368 let curve_height = point(Pixels::ZERO, self.corner_radius);
10369 let curve_width = |start_x: Pixels, end_x: Pixels| {
10370 let max = (end_x - start_x) / 2.;
10371 let width = if max < self.corner_radius {
10372 max
10373 } else {
10374 self.corner_radius
10375 };
10376
10377 point(width, Pixels::ZERO)
10378 };
10379
10380 let top_curve_width = curve_width(first_line.start_x, first_line.end_x);
10381 let mut builder = if fill {
10382 gpui::PathBuilder::fill()
10383 } else {
10384 gpui::PathBuilder::stroke(px(1.))
10385 };
10386 builder.move_to(first_top_right - top_curve_width);
10387 builder.curve_to(first_top_right + curve_height, first_top_right);
10388
10389 let mut iter = lines.iter().enumerate().peekable();
10390 while let Some((ix, line)) = iter.next() {
10391 let bottom_right = point(line.end_x, start_y + (ix + 1) as f32 * self.line_height);
10392
10393 if let Some((_, next_line)) = iter.peek() {
10394 let next_top_right = point(next_line.end_x, bottom_right.y);
10395
10396 match next_top_right.x.partial_cmp(&bottom_right.x).unwrap() {
10397 Ordering::Equal => {
10398 builder.line_to(bottom_right);
10399 }
10400 Ordering::Less => {
10401 let curve_width = curve_width(next_top_right.x, bottom_right.x);
10402 builder.line_to(bottom_right - curve_height);
10403 if self.corner_radius > Pixels::ZERO {
10404 builder.curve_to(bottom_right - curve_width, bottom_right);
10405 }
10406 builder.line_to(next_top_right + curve_width);
10407 if self.corner_radius > Pixels::ZERO {
10408 builder.curve_to(next_top_right + curve_height, next_top_right);
10409 }
10410 }
10411 Ordering::Greater => {
10412 let curve_width = curve_width(bottom_right.x, next_top_right.x);
10413 builder.line_to(bottom_right - curve_height);
10414 if self.corner_radius > Pixels::ZERO {
10415 builder.curve_to(bottom_right + curve_width, bottom_right);
10416 }
10417 builder.line_to(next_top_right - curve_width);
10418 if self.corner_radius > Pixels::ZERO {
10419 builder.curve_to(next_top_right + curve_height, next_top_right);
10420 }
10421 }
10422 }
10423 } else {
10424 let curve_width = curve_width(line.start_x, line.end_x);
10425 builder.line_to(bottom_right - curve_height);
10426 if self.corner_radius > Pixels::ZERO {
10427 builder.curve_to(bottom_right - curve_width, bottom_right);
10428 }
10429
10430 let bottom_left = point(line.start_x, bottom_right.y);
10431 builder.line_to(bottom_left + curve_width);
10432 if self.corner_radius > Pixels::ZERO {
10433 builder.curve_to(bottom_left - curve_height, bottom_left);
10434 }
10435 }
10436 }
10437
10438 if first_line.start_x > last_line.start_x {
10439 let curve_width = curve_width(last_line.start_x, first_line.start_x);
10440 let second_top_left = point(last_line.start_x, start_y + self.line_height);
10441 builder.line_to(second_top_left + curve_height);
10442 if self.corner_radius > Pixels::ZERO {
10443 builder.curve_to(second_top_left + curve_width, second_top_left);
10444 }
10445 let first_bottom_left = point(first_line.start_x, second_top_left.y);
10446 builder.line_to(first_bottom_left - curve_width);
10447 if self.corner_radius > Pixels::ZERO {
10448 builder.curve_to(first_bottom_left - curve_height, first_bottom_left);
10449 }
10450 }
10451
10452 builder.line_to(first_top_left + curve_height);
10453 if self.corner_radius > Pixels::ZERO {
10454 builder.curve_to(first_top_left + top_curve_width, first_top_left);
10455 }
10456 builder.line_to(first_top_right - top_curve_width);
10457
10458 if let Ok(path) = builder.build() {
10459 window.paint_path(path, self.color);
10460 }
10461 }
10462}
10463
10464enum CursorPopoverType {
10465 CodeContextMenu,
10466 EditPrediction,
10467}
10468
10469pub fn scale_vertical_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10470 (delta.pow(1.2) / 100.0).min(px(3.0)).into()
10471}
10472
10473fn scale_horizontal_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10474 (delta.pow(1.2) / 300.0).into()
10475}
10476
10477pub fn register_action<T: Action>(
10478 editor: &Entity<Editor>,
10479 window: &mut Window,
10480 listener: impl Fn(&mut Editor, &T, &mut Window, &mut Context<Editor>) + 'static,
10481) {
10482 let editor = editor.clone();
10483 window.on_action(TypeId::of::<T>(), move |action, phase, window, cx| {
10484 let action = action.downcast_ref().unwrap();
10485 if phase == DispatchPhase::Bubble {
10486 editor.update(cx, |editor, cx| {
10487 listener(editor, action, window, cx);
10488 })
10489 }
10490 })
10491}
10492
10493fn compute_auto_height_layout(
10494 editor: &mut Editor,
10495 min_lines: usize,
10496 max_lines: Option<usize>,
10497 max_line_number_width: Pixels,
10498 known_dimensions: Size<Option<Pixels>>,
10499 available_width: AvailableSpace,
10500 window: &mut Window,
10501 cx: &mut Context<Editor>,
10502) -> Option<Size<Pixels>> {
10503 let width = known_dimensions.width.or({
10504 if let AvailableSpace::Definite(available_width) = available_width {
10505 Some(available_width)
10506 } else {
10507 None
10508 }
10509 })?;
10510 if let Some(height) = known_dimensions.height {
10511 return Some(size(width, height));
10512 }
10513
10514 let style = editor.style.as_ref().unwrap();
10515 let font_id = window.text_system().resolve_font(&style.text.font());
10516 let font_size = style.text.font_size.to_pixels(window.rem_size());
10517 let line_height = style.text.line_height_in_pixels(window.rem_size());
10518 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
10519
10520 let mut snapshot = editor.snapshot(window, cx);
10521 let gutter_dimensions = snapshot
10522 .gutter_dimensions(font_id, font_size, max_line_number_width, cx)
10523 .or_else(|| {
10524 editor
10525 .offset_content
10526 .then(|| GutterDimensions::default_with_margin(font_id, font_size, cx))
10527 })
10528 .unwrap_or_default();
10529
10530 editor.gutter_dimensions = gutter_dimensions;
10531 let text_width = width - gutter_dimensions.width;
10532 let overscroll = size(em_width, px(0.));
10533
10534 let editor_width = text_width - gutter_dimensions.margin - overscroll.width - em_width;
10535 if !matches!(editor.soft_wrap_mode(cx), SoftWrap::None)
10536 && editor.set_wrap_width(Some(editor_width), cx)
10537 {
10538 snapshot = editor.snapshot(window, cx);
10539 }
10540
10541 let scroll_height = (snapshot.max_point().row().next_row().0 as f32) * line_height;
10542
10543 let min_height = line_height * min_lines as f32;
10544 let content_height = scroll_height.max(min_height);
10545
10546 let final_height = if let Some(max_lines) = max_lines {
10547 let max_height = line_height * max_lines as f32;
10548 content_height.min(max_height)
10549 } else {
10550 content_height
10551 };
10552
10553 Some(size(width, final_height))
10554}
10555
10556#[cfg(test)]
10557mod tests {
10558 use super::*;
10559 use crate::{
10560 Editor, MultiBuffer, SelectionEffects,
10561 display_map::{BlockPlacement, BlockProperties},
10562 editor_tests::{init_test, update_test_language_settings},
10563 };
10564 use gpui::{TestAppContext, VisualTestContext};
10565 use language::language_settings;
10566 use log::info;
10567 use std::num::NonZeroU32;
10568 use util::test::sample_text;
10569
10570 #[gpui::test]
10571 async fn test_soft_wrap_editor_width_auto_height_editor(cx: &mut TestAppContext) {
10572 init_test(cx, |_| {});
10573
10574 let window = cx.add_window(|window, cx| {
10575 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10576 let mut editor = Editor::new(
10577 EditorMode::AutoHeight {
10578 min_lines: 1,
10579 max_lines: None,
10580 },
10581 buffer,
10582 None,
10583 window,
10584 cx,
10585 );
10586 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10587 editor
10588 });
10589 let cx = &mut VisualTestContext::from_window(*window, cx);
10590 let editor = window.root(cx).unwrap();
10591 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10592
10593 for x in 1..=100 {
10594 let (_, state) = cx.draw(
10595 Default::default(),
10596 size(px(200. + 0.13 * x as f32), px(500.)),
10597 |_, _| EditorElement::new(&editor, style.clone()),
10598 );
10599
10600 assert!(
10601 state.position_map.scroll_max.x == 0.,
10602 "Soft wrapped editor should have no horizontal scrolling!"
10603 );
10604 }
10605 }
10606
10607 #[gpui::test]
10608 async fn test_soft_wrap_editor_width_full_editor(cx: &mut TestAppContext) {
10609 init_test(cx, |_| {});
10610
10611 let window = cx.add_window(|window, cx| {
10612 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10613 let mut editor = Editor::new(EditorMode::full(), buffer, None, window, cx);
10614 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10615 editor
10616 });
10617 let cx = &mut VisualTestContext::from_window(*window, cx);
10618 let editor = window.root(cx).unwrap();
10619 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10620
10621 for x in 1..=100 {
10622 let (_, state) = cx.draw(
10623 Default::default(),
10624 size(px(200. + 0.13 * x as f32), px(500.)),
10625 |_, _| EditorElement::new(&editor, style.clone()),
10626 );
10627
10628 assert!(
10629 state.position_map.scroll_max.x == 0.,
10630 "Soft wrapped editor should have no horizontal scrolling!"
10631 );
10632 }
10633 }
10634
10635 #[gpui::test]
10636 fn test_shape_line_numbers(cx: &mut TestAppContext) {
10637 init_test(cx, |_| {});
10638 let window = cx.add_window(|window, cx| {
10639 let buffer = MultiBuffer::build_simple(&sample_text(6, 6, 'a'), cx);
10640 Editor::new(EditorMode::full(), buffer, None, window, cx)
10641 });
10642
10643 let editor = window.root(cx).unwrap();
10644 let style = cx.update(|cx| editor.read(cx).style().unwrap().clone());
10645 let line_height = window
10646 .update(cx, |_, window, _| {
10647 style.text.line_height_in_pixels(window.rem_size())
10648 })
10649 .unwrap();
10650 let element = EditorElement::new(&editor, style);
10651 let snapshot = window
10652 .update(cx, |editor, window, cx| editor.snapshot(window, cx))
10653 .unwrap();
10654
10655 let layouts = cx
10656 .update_window(*window, |_, window, cx| {
10657 element.layout_line_numbers(
10658 None,
10659 GutterDimensions {
10660 left_padding: Pixels::ZERO,
10661 right_padding: Pixels::ZERO,
10662 width: px(30.0),
10663 margin: Pixels::ZERO,
10664 git_blame_entries_width: None,
10665 },
10666 line_height,
10667 gpui::Point::default(),
10668 DisplayRow(0)..DisplayRow(6),
10669 &(0..6)
10670 .map(|row| RowInfo {
10671 buffer_row: Some(row),
10672 ..Default::default()
10673 })
10674 .collect::<Vec<_>>(),
10675 &BTreeMap::default(),
10676 Some(DisplayPoint::new(DisplayRow(0), 0)),
10677 &snapshot,
10678 window,
10679 cx,
10680 )
10681 })
10682 .unwrap();
10683 assert_eq!(layouts.len(), 6);
10684
10685 let relative_rows = window
10686 .update(cx, |editor, window, cx| {
10687 let snapshot = editor.snapshot(window, cx);
10688 element.calculate_relative_line_numbers(
10689 &snapshot,
10690 &(DisplayRow(0)..DisplayRow(6)),
10691 Some(DisplayRow(3)),
10692 )
10693 })
10694 .unwrap();
10695 assert_eq!(relative_rows[&DisplayRow(0)], 3);
10696 assert_eq!(relative_rows[&DisplayRow(1)], 2);
10697 assert_eq!(relative_rows[&DisplayRow(2)], 1);
10698 // current line has no relative number
10699 assert_eq!(relative_rows[&DisplayRow(4)], 1);
10700 assert_eq!(relative_rows[&DisplayRow(5)], 2);
10701
10702 // works if cursor is before screen
10703 let relative_rows = window
10704 .update(cx, |editor, window, cx| {
10705 let snapshot = editor.snapshot(window, cx);
10706 element.calculate_relative_line_numbers(
10707 &snapshot,
10708 &(DisplayRow(3)..DisplayRow(6)),
10709 Some(DisplayRow(1)),
10710 )
10711 })
10712 .unwrap();
10713 assert_eq!(relative_rows.len(), 3);
10714 assert_eq!(relative_rows[&DisplayRow(3)], 2);
10715 assert_eq!(relative_rows[&DisplayRow(4)], 3);
10716 assert_eq!(relative_rows[&DisplayRow(5)], 4);
10717
10718 // works if cursor is after screen
10719 let relative_rows = window
10720 .update(cx, |editor, window, cx| {
10721 let snapshot = editor.snapshot(window, cx);
10722 element.calculate_relative_line_numbers(
10723 &snapshot,
10724 &(DisplayRow(0)..DisplayRow(3)),
10725 Some(DisplayRow(6)),
10726 )
10727 })
10728 .unwrap();
10729 assert_eq!(relative_rows.len(), 3);
10730 assert_eq!(relative_rows[&DisplayRow(0)], 5);
10731 assert_eq!(relative_rows[&DisplayRow(1)], 4);
10732 assert_eq!(relative_rows[&DisplayRow(2)], 3);
10733 }
10734
10735 #[gpui::test]
10736 async fn test_vim_visual_selections(cx: &mut TestAppContext) {
10737 init_test(cx, |_| {});
10738
10739 let window = cx.add_window(|window, cx| {
10740 let buffer = MultiBuffer::build_simple(&(sample_text(6, 6, 'a') + "\n"), cx);
10741 Editor::new(EditorMode::full(), buffer, None, window, cx)
10742 });
10743 let cx = &mut VisualTestContext::from_window(*window, cx);
10744 let editor = window.root(cx).unwrap();
10745 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10746
10747 window
10748 .update(cx, |editor, window, cx| {
10749 editor.cursor_shape = CursorShape::Block;
10750 editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
10751 s.select_ranges([
10752 Point::new(0, 0)..Point::new(1, 0),
10753 Point::new(3, 2)..Point::new(3, 3),
10754 Point::new(5, 6)..Point::new(6, 0),
10755 ]);
10756 });
10757 })
10758 .unwrap();
10759
10760 let (_, state) = cx.draw(
10761 point(px(500.), px(500.)),
10762 size(px(500.), px(500.)),
10763 |_, _| EditorElement::new(&editor, style),
10764 );
10765
10766 assert_eq!(state.selections.len(), 1);
10767 let local_selections = &state.selections[0].1;
10768 assert_eq!(local_selections.len(), 3);
10769 // moves cursor back one line
10770 assert_eq!(
10771 local_selections[0].head,
10772 DisplayPoint::new(DisplayRow(0), 6)
10773 );
10774 assert_eq!(
10775 local_selections[0].range,
10776 DisplayPoint::new(DisplayRow(0), 0)..DisplayPoint::new(DisplayRow(1), 0)
10777 );
10778
10779 // moves cursor back one column
10780 assert_eq!(
10781 local_selections[1].range,
10782 DisplayPoint::new(DisplayRow(3), 2)..DisplayPoint::new(DisplayRow(3), 3)
10783 );
10784 assert_eq!(
10785 local_selections[1].head,
10786 DisplayPoint::new(DisplayRow(3), 2)
10787 );
10788
10789 // leaves cursor on the max point
10790 assert_eq!(
10791 local_selections[2].range,
10792 DisplayPoint::new(DisplayRow(5), 6)..DisplayPoint::new(DisplayRow(6), 0)
10793 );
10794 assert_eq!(
10795 local_selections[2].head,
10796 DisplayPoint::new(DisplayRow(6), 0)
10797 );
10798
10799 // active lines does not include 1 (even though the range of the selection does)
10800 assert_eq!(
10801 state.active_rows.keys().cloned().collect::<Vec<_>>(),
10802 vec![DisplayRow(0), DisplayRow(3), DisplayRow(5), DisplayRow(6)]
10803 );
10804 }
10805
10806 #[gpui::test]
10807 fn test_layout_with_placeholder_text_and_blocks(cx: &mut TestAppContext) {
10808 init_test(cx, |_| {});
10809
10810 let window = cx.add_window(|window, cx| {
10811 let buffer = MultiBuffer::build_simple("", cx);
10812 Editor::new(EditorMode::full(), buffer, None, window, cx)
10813 });
10814 let cx = &mut VisualTestContext::from_window(*window, cx);
10815 let editor = window.root(cx).unwrap();
10816 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10817 window
10818 .update(cx, |editor, window, cx| {
10819 editor.set_placeholder_text("hello", window, cx);
10820 editor.insert_blocks(
10821 [BlockProperties {
10822 style: BlockStyle::Fixed,
10823 placement: BlockPlacement::Above(Anchor::min()),
10824 height: Some(3),
10825 render: Arc::new(|cx| div().h(3. * cx.window.line_height()).into_any()),
10826 priority: 0,
10827 }],
10828 None,
10829 cx,
10830 );
10831
10832 // Blur the editor so that it displays placeholder text.
10833 window.blur();
10834 })
10835 .unwrap();
10836
10837 let (_, state) = cx.draw(
10838 point(px(500.), px(500.)),
10839 size(px(500.), px(500.)),
10840 |_, _| EditorElement::new(&editor, style),
10841 );
10842 assert_eq!(state.position_map.line_layouts.len(), 4);
10843 assert_eq!(state.line_numbers.len(), 1);
10844 assert_eq!(
10845 state
10846 .line_numbers
10847 .get(&MultiBufferRow(0))
10848 .map(|line_number| line_number.shaped_line.text.as_ref()),
10849 Some("1")
10850 );
10851 }
10852
10853 #[gpui::test]
10854 fn test_all_invisibles_drawing(cx: &mut TestAppContext) {
10855 const TAB_SIZE: u32 = 4;
10856
10857 let input_text = "\t \t|\t| a b";
10858 let expected_invisibles = vec![
10859 Invisible::Tab {
10860 line_start_offset: 0,
10861 line_end_offset: TAB_SIZE as usize,
10862 },
10863 Invisible::Whitespace {
10864 line_offset: TAB_SIZE as usize,
10865 },
10866 Invisible::Tab {
10867 line_start_offset: TAB_SIZE as usize + 1,
10868 line_end_offset: TAB_SIZE as usize * 2,
10869 },
10870 Invisible::Tab {
10871 line_start_offset: TAB_SIZE as usize * 2 + 1,
10872 line_end_offset: TAB_SIZE as usize * 3,
10873 },
10874 Invisible::Whitespace {
10875 line_offset: TAB_SIZE as usize * 3 + 1,
10876 },
10877 Invisible::Whitespace {
10878 line_offset: TAB_SIZE as usize * 3 + 3,
10879 },
10880 ];
10881 assert_eq!(
10882 expected_invisibles.len(),
10883 input_text
10884 .chars()
10885 .filter(|initial_char| initial_char.is_whitespace())
10886 .count(),
10887 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
10888 );
10889
10890 for show_line_numbers in [true, false] {
10891 init_test(cx, |s| {
10892 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
10893 s.defaults.tab_size = NonZeroU32::new(TAB_SIZE);
10894 });
10895
10896 let actual_invisibles = collect_invisibles_from_new_editor(
10897 cx,
10898 EditorMode::full(),
10899 input_text,
10900 px(500.0),
10901 show_line_numbers,
10902 );
10903
10904 assert_eq!(expected_invisibles, actual_invisibles);
10905 }
10906 }
10907
10908 #[gpui::test]
10909 fn test_invisibles_dont_appear_in_certain_editors(cx: &mut TestAppContext) {
10910 init_test(cx, |s| {
10911 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
10912 s.defaults.tab_size = NonZeroU32::new(4);
10913 });
10914
10915 for editor_mode_without_invisibles in [
10916 EditorMode::SingleLine,
10917 EditorMode::AutoHeight {
10918 min_lines: 1,
10919 max_lines: Some(100),
10920 },
10921 ] {
10922 for show_line_numbers in [true, false] {
10923 let invisibles = collect_invisibles_from_new_editor(
10924 cx,
10925 editor_mode_without_invisibles.clone(),
10926 "\t\t\t| | a b",
10927 px(500.0),
10928 show_line_numbers,
10929 );
10930 assert!(
10931 invisibles.is_empty(),
10932 "For editor mode {editor_mode_without_invisibles:?} no invisibles was expected but got {invisibles:?}"
10933 );
10934 }
10935 }
10936 }
10937
10938 #[gpui::test]
10939 fn test_wrapped_invisibles_drawing(cx: &mut TestAppContext) {
10940 let tab_size = 4;
10941 let input_text = "a\tbcd ".repeat(9);
10942 let repeated_invisibles = [
10943 Invisible::Tab {
10944 line_start_offset: 1,
10945 line_end_offset: tab_size as usize,
10946 },
10947 Invisible::Whitespace {
10948 line_offset: tab_size as usize + 3,
10949 },
10950 Invisible::Whitespace {
10951 line_offset: tab_size as usize + 4,
10952 },
10953 Invisible::Whitespace {
10954 line_offset: tab_size as usize + 5,
10955 },
10956 Invisible::Whitespace {
10957 line_offset: tab_size as usize + 6,
10958 },
10959 Invisible::Whitespace {
10960 line_offset: tab_size as usize + 7,
10961 },
10962 ];
10963 let expected_invisibles = std::iter::once(repeated_invisibles)
10964 .cycle()
10965 .take(9)
10966 .flatten()
10967 .collect::<Vec<_>>();
10968 assert_eq!(
10969 expected_invisibles.len(),
10970 input_text
10971 .chars()
10972 .filter(|initial_char| initial_char.is_whitespace())
10973 .count(),
10974 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
10975 );
10976 info!("Expected invisibles: {expected_invisibles:?}");
10977
10978 init_test(cx, |_| {});
10979
10980 // Put the same string with repeating whitespace pattern into editors of various size,
10981 // take deliberately small steps during resizing, to put all whitespace kinds near the wrap point.
10982 let resize_step = 10.0;
10983 let mut editor_width = 200.0;
10984 while editor_width <= 1000.0 {
10985 for show_line_numbers in [true, false] {
10986 update_test_language_settings(cx, |s| {
10987 s.defaults.tab_size = NonZeroU32::new(tab_size);
10988 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
10989 s.defaults.preferred_line_length = Some(editor_width as u32);
10990 s.defaults.soft_wrap = Some(language_settings::SoftWrap::PreferredLineLength);
10991 });
10992
10993 let actual_invisibles = collect_invisibles_from_new_editor(
10994 cx,
10995 EditorMode::full(),
10996 &input_text,
10997 px(editor_width),
10998 show_line_numbers,
10999 );
11000
11001 // Whatever the editor size is, ensure it has the same invisible kinds in the same order
11002 // (no good guarantees about the offsets: wrapping could trigger padding and its tests should check the offsets).
11003 let mut i = 0;
11004 for (actual_index, actual_invisible) in actual_invisibles.iter().enumerate() {
11005 i = actual_index;
11006 match expected_invisibles.get(i) {
11007 Some(expected_invisible) => match (expected_invisible, actual_invisible) {
11008 (Invisible::Whitespace { .. }, Invisible::Whitespace { .. })
11009 | (Invisible::Tab { .. }, Invisible::Tab { .. }) => {}
11010 _ => {
11011 panic!(
11012 "At index {i}, expected invisible {expected_invisible:?} does not match actual {actual_invisible:?} by kind. Actual invisibles: {actual_invisibles:?}"
11013 )
11014 }
11015 },
11016 None => {
11017 panic!("Unexpected extra invisible {actual_invisible:?} at index {i}")
11018 }
11019 }
11020 }
11021 let missing_expected_invisibles = &expected_invisibles[i + 1..];
11022 assert!(
11023 missing_expected_invisibles.is_empty(),
11024 "Missing expected invisibles after index {i}: {missing_expected_invisibles:?}"
11025 );
11026
11027 editor_width += resize_step;
11028 }
11029 }
11030 }
11031
11032 fn collect_invisibles_from_new_editor(
11033 cx: &mut TestAppContext,
11034 editor_mode: EditorMode,
11035 input_text: &str,
11036 editor_width: Pixels,
11037 show_line_numbers: bool,
11038 ) -> Vec<Invisible> {
11039 info!(
11040 "Creating editor with mode {editor_mode:?}, width {}px and text '{input_text}'",
11041 editor_width.0
11042 );
11043 let window = cx.add_window(|window, cx| {
11044 let buffer = MultiBuffer::build_simple(input_text, cx);
11045 Editor::new(editor_mode, buffer, None, window, cx)
11046 });
11047 let cx = &mut VisualTestContext::from_window(*window, cx);
11048 let editor = window.root(cx).unwrap();
11049
11050 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
11051 window
11052 .update(cx, |editor, _, cx| {
11053 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
11054 editor.set_wrap_width(Some(editor_width), cx);
11055 editor.set_show_line_numbers(show_line_numbers, cx);
11056 })
11057 .unwrap();
11058 let (_, state) = cx.draw(
11059 point(px(500.), px(500.)),
11060 size(px(500.), px(500.)),
11061 |_, _| EditorElement::new(&editor, style),
11062 );
11063 state
11064 .position_map
11065 .line_layouts
11066 .iter()
11067 .flat_map(|line_with_invisibles| &line_with_invisibles.invisibles)
11068 .cloned()
11069 .collect()
11070 }
11071
11072 #[gpui::test]
11073 fn test_merge_overlapping_ranges() {
11074 let base_bg = Hsla::white();
11075 let color1 = Hsla {
11076 h: 0.0,
11077 s: 0.5,
11078 l: 0.5,
11079 a: 0.5,
11080 };
11081 let color2 = Hsla {
11082 h: 120.0,
11083 s: 0.5,
11084 l: 0.5,
11085 a: 0.5,
11086 };
11087
11088 let display_point = |col| DisplayPoint::new(DisplayRow(0), col);
11089 let cols = |v: &Vec<(Range<DisplayPoint>, Hsla)>| -> Vec<(u32, u32)> {
11090 v.iter()
11091 .map(|(r, _)| (r.start.column(), r.end.column()))
11092 .collect()
11093 };
11094
11095 // Test overlapping ranges blend colors
11096 let overlapping = vec![
11097 (display_point(5)..display_point(15), color1),
11098 (display_point(10)..display_point(20), color2),
11099 ];
11100 let result = EditorElement::merge_overlapping_ranges(overlapping, base_bg);
11101 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11102
11103 // Test middle segment should have blended color
11104 let blended = Hsla::blend(Hsla::blend(base_bg, color1), color2);
11105 assert_eq!(result[1].1, blended);
11106
11107 // Test adjacent same-color ranges merge
11108 let adjacent_same = vec![
11109 (display_point(5)..display_point(10), color1),
11110 (display_point(10)..display_point(15), color1),
11111 ];
11112 let result = EditorElement::merge_overlapping_ranges(adjacent_same, base_bg);
11113 assert_eq!(cols(&result), vec![(5, 15)]);
11114
11115 // Test contained range splits
11116 let contained = vec![
11117 (display_point(5)..display_point(20), color1),
11118 (display_point(10)..display_point(15), color2),
11119 ];
11120 let result = EditorElement::merge_overlapping_ranges(contained, base_bg);
11121 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11122
11123 // Test multiple overlaps split at every boundary
11124 let color3 = Hsla {
11125 h: 240.0,
11126 s: 0.5,
11127 l: 0.5,
11128 a: 0.5,
11129 };
11130 let complex = vec![
11131 (display_point(5)..display_point(12), color1),
11132 (display_point(8)..display_point(16), color2),
11133 (display_point(10)..display_point(14), color3),
11134 ];
11135 let result = EditorElement::merge_overlapping_ranges(complex, base_bg);
11136 assert_eq!(
11137 cols(&result),
11138 vec![(5, 8), (8, 10), (10, 12), (12, 14), (14, 16)]
11139 );
11140 }
11141
11142 #[gpui::test]
11143 fn test_bg_segments_per_row() {
11144 let base_bg = Hsla::white();
11145
11146 // Case A: selection spans three display rows: row 1 [5, end), full row 2, row 3 [0, 7)
11147 {
11148 let selection_color = Hsla {
11149 h: 200.0,
11150 s: 0.5,
11151 l: 0.5,
11152 a: 0.5,
11153 };
11154 let player_color = PlayerColor {
11155 cursor: selection_color,
11156 background: selection_color,
11157 selection: selection_color,
11158 };
11159
11160 let spanning_selection = SelectionLayout {
11161 head: DisplayPoint::new(DisplayRow(3), 7),
11162 cursor_shape: CursorShape::Bar,
11163 is_newest: true,
11164 is_local: true,
11165 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 7),
11166 active_rows: DisplayRow(1)..DisplayRow(4),
11167 user_name: None,
11168 };
11169
11170 let selections = vec![(player_color, vec![spanning_selection])];
11171 let result = EditorElement::bg_segments_per_row(
11172 DisplayRow(0)..DisplayRow(5),
11173 &selections,
11174 &[],
11175 base_bg,
11176 );
11177
11178 assert_eq!(result.len(), 5);
11179 assert!(result[0].is_empty());
11180 assert_eq!(result[1].len(), 1);
11181 assert_eq!(result[2].len(), 1);
11182 assert_eq!(result[3].len(), 1);
11183 assert!(result[4].is_empty());
11184
11185 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11186 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11187 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11188 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11189 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11190 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11191 assert_eq!(result[3][0].0.start, DisplayPoint::new(DisplayRow(3), 0));
11192 assert_eq!(result[3][0].0.end, DisplayPoint::new(DisplayRow(3), 7));
11193 }
11194
11195 // Case B: selection ends exactly at the start of row 3, excluding row 3
11196 {
11197 let selection_color = Hsla {
11198 h: 120.0,
11199 s: 0.5,
11200 l: 0.5,
11201 a: 0.5,
11202 };
11203 let player_color = PlayerColor {
11204 cursor: selection_color,
11205 background: selection_color,
11206 selection: selection_color,
11207 };
11208
11209 let selection = SelectionLayout {
11210 head: DisplayPoint::new(DisplayRow(2), 0),
11211 cursor_shape: CursorShape::Bar,
11212 is_newest: true,
11213 is_local: true,
11214 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 0),
11215 active_rows: DisplayRow(1)..DisplayRow(3),
11216 user_name: None,
11217 };
11218
11219 let selections = vec![(player_color, vec![selection])];
11220 let result = EditorElement::bg_segments_per_row(
11221 DisplayRow(0)..DisplayRow(4),
11222 &selections,
11223 &[],
11224 base_bg,
11225 );
11226
11227 assert_eq!(result.len(), 4);
11228 assert!(result[0].is_empty());
11229 assert_eq!(result[1].len(), 1);
11230 assert_eq!(result[2].len(), 1);
11231 assert!(result[3].is_empty());
11232
11233 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11234 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11235 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11236 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11237 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11238 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11239 }
11240 }
11241
11242 #[cfg(test)]
11243 fn generate_test_run(len: usize, color: Hsla) -> TextRun {
11244 TextRun {
11245 len,
11246 font: gpui::font(".SystemUIFont"),
11247 color,
11248 background_color: None,
11249 underline: None,
11250 strikethrough: None,
11251 }
11252 }
11253
11254 #[gpui::test]
11255 fn test_split_runs_by_bg_segments(cx: &mut gpui::TestAppContext) {
11256 init_test(cx, |_| {});
11257
11258 let text_color = Hsla {
11259 h: 210.0,
11260 s: 0.1,
11261 l: 0.4,
11262 a: 1.0,
11263 };
11264 let bg1 = Hsla {
11265 h: 30.0,
11266 s: 0.6,
11267 l: 0.8,
11268 a: 1.0,
11269 };
11270 let bg2 = Hsla {
11271 h: 200.0,
11272 s: 0.6,
11273 l: 0.2,
11274 a: 1.0,
11275 };
11276 let min_contrast = 45.0;
11277
11278 // Case A: single run; disjoint segments inside the run
11279 let runs = vec![generate_test_run(20, text_color)];
11280 let segs = vec![
11281 (
11282 DisplayPoint::new(DisplayRow(0), 5)..DisplayPoint::new(DisplayRow(0), 10),
11283 bg1,
11284 ),
11285 (
11286 DisplayPoint::new(DisplayRow(0), 12)..DisplayPoint::new(DisplayRow(0), 16),
11287 bg2,
11288 ),
11289 ];
11290 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast);
11291 // Expected slices: [0,5) [5,10) [10,12) [12,16) [16,20)
11292 assert_eq!(
11293 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11294 vec![5, 5, 2, 4, 4]
11295 );
11296 assert_eq!(out[0].color, text_color);
11297 assert_eq!(
11298 out[1].color,
11299 ensure_minimum_contrast(text_color, bg1, min_contrast)
11300 );
11301 assert_eq!(out[2].color, text_color);
11302 assert_eq!(
11303 out[3].color,
11304 ensure_minimum_contrast(text_color, bg2, min_contrast)
11305 );
11306 assert_eq!(out[4].color, text_color);
11307
11308 // Case B: multiple runs; segment extends to end of line (u32::MAX)
11309 let runs = vec![
11310 generate_test_run(8, text_color),
11311 generate_test_run(7, text_color),
11312 ];
11313 let segs = vec![(
11314 DisplayPoint::new(DisplayRow(0), 6)..DisplayPoint::new(DisplayRow(0), u32::MAX),
11315 bg1,
11316 )];
11317 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast);
11318 // Expected slices across runs: [0,6) [6,8) | [0,7)
11319 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![6, 2, 7]);
11320 let adjusted = ensure_minimum_contrast(text_color, bg1, min_contrast);
11321 assert_eq!(out[0].color, text_color);
11322 assert_eq!(out[1].color, adjusted);
11323 assert_eq!(out[2].color, adjusted);
11324
11325 // Case C: multi-byte characters
11326 // for text: "Hello π δΈη!"
11327 let runs = vec![
11328 generate_test_run(5, text_color), // "Hello"
11329 generate_test_run(6, text_color), // " π "
11330 generate_test_run(6, text_color), // "δΈη"
11331 generate_test_run(1, text_color), // "!"
11332 ];
11333 // selecting "π δΈ"
11334 let segs = vec![(
11335 DisplayPoint::new(DisplayRow(0), 6)..DisplayPoint::new(DisplayRow(0), 14),
11336 bg1,
11337 )];
11338 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast);
11339 // "Hello" | " " | "π " | "δΈ" | "η" | "!"
11340 assert_eq!(
11341 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11342 vec![5, 1, 5, 3, 3, 1]
11343 );
11344 assert_eq!(out[0].color, text_color); // "Hello"
11345 assert_eq!(
11346 out[2].color,
11347 ensure_minimum_contrast(text_color, bg1, min_contrast)
11348 ); // "π "
11349 assert_eq!(
11350 out[3].color,
11351 ensure_minimum_contrast(text_color, bg1, min_contrast)
11352 ); // "δΈ"
11353 assert_eq!(out[4].color, text_color); // "η"
11354 assert_eq!(out[5].color, text_color); // "!"
11355 }
11356}