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, SizingBehavior, SoftWrap,
12 StickyHeaderExcerpt, ToPoint, 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::{
32 ActiveScrollbarState, ScrollOffset, ScrollPixelOffset, ScrollbarThumbState,
33 scroll_amount::ScrollAmount,
34 },
35};
36use buffer_diff::{DiffHunkStatus, DiffHunkStatusKind};
37use collections::{BTreeMap, HashMap};
38use file_icons::FileIcons;
39use git::{
40 Oid,
41 blame::{BlameEntry, ParsedCommitMessage},
42 status::FileStatus,
43};
44use gpui::{
45 Action, Along, AnyElement, App, AppContext, AvailableSpace, Axis as ScrollbarAxis, BorderStyle,
46 Bounds, ClickEvent, ClipboardItem, ContentMask, Context, Corner, Corners, CursorStyle,
47 DispatchPhase, Edges, Element, ElementInputHandler, Entity, Focusable as _, FontId,
48 GlobalElementId, Hitbox, HitboxBehavior, Hsla, InteractiveElement, IntoElement, IsZero,
49 KeybindingKeystroke, Length, Modifiers, ModifiersChangedEvent, MouseButton, MouseClickEvent,
50 MouseDownEvent, MouseMoveEvent, MouseUpEvent, PaintQuad, ParentElement, Pixels, ScrollDelta,
51 ScrollHandle, ScrollWheelEvent, ShapedLine, SharedString, Size, StatefulInteractiveElement,
52 Style, Styled, TextRun, TextStyleRefinement, WeakEntity, Window, anchored, deferred, div, fill,
53 linear_color_stop, linear_gradient, outline, point, px, quad, relative, size, solid_background,
54 transparent_black,
55};
56use itertools::Itertools;
57use language::{IndentGuideSettings, language_settings::ShowWhitespaceSetting};
58use markdown::Markdown;
59use multi_buffer::{
60 Anchor, ExcerptId, ExcerptInfo, ExpandExcerptDirection, ExpandInfo, MultiBufferPoint,
61 MultiBufferRow, RowInfo,
62};
63
64use project::{
65 Entry, ProjectPath,
66 debugger::breakpoint_store::{Breakpoint, BreakpointSessionState},
67 project_settings::ProjectSettings,
68};
69use settings::{
70 GitGutterSetting, GitHunkStyleSetting, IndentGuideBackgroundColoring, IndentGuideColoring,
71 Settings,
72};
73use smallvec::{SmallVec, smallvec};
74use std::{
75 any::TypeId,
76 borrow::Cow,
77 cmp::{self, Ordering},
78 fmt::{self, Write},
79 iter, mem,
80 ops::{Deref, Range},
81 path::{self, Path},
82 rc::Rc,
83 sync::Arc,
84 time::{Duration, Instant},
85};
86use sum_tree::Bias;
87use text::{BufferId, SelectionGoal};
88use theme::{ActiveTheme, Appearance, BufferLineHeight, PlayerColor};
89use ui::utils::ensure_minimum_contrast;
90use ui::{
91 ButtonLike, ContextMenu, Indicator, KeyBinding, POPOVER_Y_PADDING, Tooltip, h_flex, prelude::*,
92 right_click_menu, scrollbars::ShowScrollbar, text_for_keystroke,
93};
94use unicode_segmentation::UnicodeSegmentation;
95use util::post_inc;
96use util::{RangeExt, ResultExt, debug_panic};
97use workspace::{
98 CollaboratorId, ItemSettings, OpenInTerminal, OpenTerminal, RevealInProjectPanel, Workspace,
99 item::{Item, ItemBufferKind},
100 notifications::NotifyTaskExt,
101};
102
103/// Determines what kinds of highlights should be applied to a lines background.
104#[derive(Clone, Copy, Default)]
105struct LineHighlightSpec {
106 selection: bool,
107 breakpoint: bool,
108 _active_stack_frame: bool,
109}
110
111#[derive(Debug)]
112struct SelectionLayout {
113 head: DisplayPoint,
114 cursor_shape: CursorShape,
115 is_newest: bool,
116 is_local: bool,
117 range: Range<DisplayPoint>,
118 active_rows: Range<DisplayRow>,
119 user_name: Option<SharedString>,
120}
121
122struct InlineBlameLayout {
123 element: AnyElement,
124 bounds: Bounds<Pixels>,
125 buffer_id: BufferId,
126 entry: BlameEntry,
127}
128
129impl SelectionLayout {
130 fn new<T: ToPoint + ToDisplayPoint + Clone>(
131 selection: Selection<T>,
132 line_mode: bool,
133 cursor_shape: CursorShape,
134 map: &DisplaySnapshot,
135 is_newest: bool,
136 is_local: bool,
137 user_name: Option<SharedString>,
138 ) -> Self {
139 let point_selection = selection.map(|p| p.to_point(map.buffer_snapshot()));
140 let display_selection = point_selection.map(|p| p.to_display_point(map));
141 let mut range = display_selection.range();
142 let mut head = display_selection.head();
143 let mut active_rows = map.prev_line_boundary(point_selection.start).1.row()
144 ..map.next_line_boundary(point_selection.end).1.row();
145
146 // vim visual line mode
147 if line_mode {
148 let point_range = map.expand_to_line(point_selection.range());
149 range = point_range.start.to_display_point(map)..point_range.end.to_display_point(map);
150 }
151
152 // any vim visual mode (including line mode)
153 if (cursor_shape == CursorShape::Block || cursor_shape == CursorShape::Hollow)
154 && !range.is_empty()
155 && !selection.reversed
156 {
157 if head.column() > 0 {
158 head = map.clip_point(DisplayPoint::new(head.row(), head.column() - 1), Bias::Left)
159 } else if head.row().0 > 0 && head != map.max_point() {
160 head = map.clip_point(
161 DisplayPoint::new(
162 head.row().previous_row(),
163 map.line_len(head.row().previous_row()),
164 ),
165 Bias::Left,
166 );
167 // updating range.end is a no-op unless you're cursor is
168 // on the newline containing a multi-buffer divider
169 // in which case the clip_point may have moved the head up
170 // an additional row.
171 range.end = DisplayPoint::new(head.row().next_row(), 0);
172 active_rows.end = head.row();
173 }
174 }
175
176 Self {
177 head,
178 cursor_shape,
179 is_newest,
180 is_local,
181 range,
182 active_rows,
183 user_name,
184 }
185 }
186}
187
188pub struct EditorElement {
189 editor: Entity<Editor>,
190 style: EditorStyle,
191}
192
193type DisplayRowDelta = u32;
194
195impl EditorElement {
196 pub(crate) const SCROLLBAR_WIDTH: Pixels = px(15.);
197
198 pub fn new(editor: &Entity<Editor>, style: EditorStyle) -> Self {
199 Self {
200 editor: editor.clone(),
201 style,
202 }
203 }
204
205 fn register_actions(&self, window: &mut Window, cx: &mut App) {
206 let editor = &self.editor;
207 editor.update(cx, |editor, cx| {
208 for action in editor.editor_actions.borrow().values() {
209 (action)(editor, window, cx)
210 }
211 });
212
213 crate::rust_analyzer_ext::apply_related_actions(editor, window, cx);
214 crate::clangd_ext::apply_related_actions(editor, window, cx);
215
216 register_action(editor, window, Editor::open_context_menu);
217 register_action(editor, window, Editor::move_left);
218 register_action(editor, window, Editor::move_right);
219 register_action(editor, window, Editor::move_down);
220 register_action(editor, window, Editor::move_down_by_lines);
221 register_action(editor, window, Editor::select_down_by_lines);
222 register_action(editor, window, Editor::move_up);
223 register_action(editor, window, Editor::move_up_by_lines);
224 register_action(editor, window, Editor::select_up_by_lines);
225 register_action(editor, window, Editor::select_page_down);
226 register_action(editor, window, Editor::select_page_up);
227 register_action(editor, window, Editor::cancel);
228 register_action(editor, window, Editor::newline);
229 register_action(editor, window, Editor::newline_above);
230 register_action(editor, window, Editor::newline_below);
231 register_action(editor, window, Editor::backspace);
232 register_action(editor, window, Editor::blame_hover);
233 register_action(editor, window, Editor::delete);
234 register_action(editor, window, Editor::tab);
235 register_action(editor, window, Editor::next_snippet_tabstop);
236 register_action(editor, window, Editor::previous_snippet_tabstop);
237 register_action(editor, window, Editor::backtab);
238 register_action(editor, window, Editor::indent);
239 register_action(editor, window, Editor::outdent);
240 register_action(editor, window, Editor::autoindent);
241 register_action(editor, window, Editor::delete_line);
242 register_action(editor, window, Editor::join_lines);
243 register_action(editor, window, Editor::sort_lines_by_length);
244 register_action(editor, window, Editor::sort_lines_case_sensitive);
245 register_action(editor, window, Editor::sort_lines_case_insensitive);
246 register_action(editor, window, Editor::reverse_lines);
247 register_action(editor, window, Editor::shuffle_lines);
248 register_action(editor, window, Editor::convert_indentation_to_spaces);
249 register_action(editor, window, Editor::convert_indentation_to_tabs);
250 register_action(editor, window, Editor::convert_to_upper_case);
251 register_action(editor, window, Editor::convert_to_lower_case);
252 register_action(editor, window, Editor::convert_to_title_case);
253 register_action(editor, window, Editor::convert_to_snake_case);
254 register_action(editor, window, Editor::convert_to_kebab_case);
255 register_action(editor, window, Editor::convert_to_upper_camel_case);
256 register_action(editor, window, Editor::convert_to_lower_camel_case);
257 register_action(editor, window, Editor::convert_to_opposite_case);
258 register_action(editor, window, Editor::convert_to_sentence_case);
259 register_action(editor, window, Editor::toggle_case);
260 register_action(editor, window, Editor::convert_to_rot13);
261 register_action(editor, window, Editor::convert_to_rot47);
262 register_action(editor, window, Editor::delete_to_previous_word_start);
263 register_action(editor, window, Editor::delete_to_previous_subword_start);
264 register_action(editor, window, Editor::delete_to_next_word_end);
265 register_action(editor, window, Editor::delete_to_next_subword_end);
266 register_action(editor, window, Editor::delete_to_beginning_of_line);
267 register_action(editor, window, Editor::delete_to_end_of_line);
268 register_action(editor, window, Editor::cut_to_end_of_line);
269 register_action(editor, window, Editor::duplicate_line_up);
270 register_action(editor, window, Editor::duplicate_line_down);
271 register_action(editor, window, Editor::duplicate_selection);
272 register_action(editor, window, Editor::move_line_up);
273 register_action(editor, window, Editor::move_line_down);
274 register_action(editor, window, Editor::transpose);
275 register_action(editor, window, Editor::rewrap);
276 register_action(editor, window, Editor::cut);
277 register_action(editor, window, Editor::kill_ring_cut);
278 register_action(editor, window, Editor::kill_ring_yank);
279 register_action(editor, window, Editor::copy);
280 register_action(editor, window, Editor::copy_and_trim);
281 register_action(editor, window, Editor::diff_clipboard_with_selection);
282 register_action(editor, window, Editor::paste);
283 register_action(editor, window, Editor::undo);
284 register_action(editor, window, Editor::redo);
285 register_action(editor, window, Editor::move_page_up);
286 register_action(editor, window, Editor::move_page_down);
287 register_action(editor, window, Editor::next_screen);
288 register_action(editor, window, Editor::scroll_cursor_top);
289 register_action(editor, window, Editor::scroll_cursor_center);
290 register_action(editor, window, Editor::scroll_cursor_bottom);
291 register_action(editor, window, Editor::scroll_cursor_center_top_bottom);
292 register_action(editor, window, |editor, _: &LineDown, window, cx| {
293 editor.scroll_screen(&ScrollAmount::Line(1.), window, cx)
294 });
295 register_action(editor, window, |editor, _: &LineUp, window, cx| {
296 editor.scroll_screen(&ScrollAmount::Line(-1.), window, cx)
297 });
298 register_action(editor, window, |editor, _: &HalfPageDown, window, cx| {
299 editor.scroll_screen(&ScrollAmount::Page(0.5), window, cx)
300 });
301 register_action(
302 editor,
303 window,
304 |editor, HandleInput(text): &HandleInput, window, cx| {
305 if text.is_empty() {
306 return;
307 }
308 editor.handle_input(text, window, cx);
309 },
310 );
311 register_action(editor, window, |editor, _: &HalfPageUp, window, cx| {
312 editor.scroll_screen(&ScrollAmount::Page(-0.5), window, cx)
313 });
314 register_action(editor, window, |editor, _: &PageDown, window, cx| {
315 editor.scroll_screen(&ScrollAmount::Page(1.), window, cx)
316 });
317 register_action(editor, window, |editor, _: &PageUp, window, cx| {
318 editor.scroll_screen(&ScrollAmount::Page(-1.), window, cx)
319 });
320 register_action(editor, window, Editor::move_to_previous_word_start);
321 register_action(editor, window, Editor::move_to_previous_subword_start);
322 register_action(editor, window, Editor::move_to_next_word_end);
323 register_action(editor, window, Editor::move_to_next_subword_end);
324 register_action(editor, window, Editor::move_to_beginning_of_line);
325 register_action(editor, window, Editor::move_to_end_of_line);
326 register_action(editor, window, Editor::move_to_start_of_paragraph);
327 register_action(editor, window, Editor::move_to_end_of_paragraph);
328 register_action(editor, window, Editor::move_to_beginning);
329 register_action(editor, window, Editor::move_to_end);
330 register_action(editor, window, Editor::move_to_start_of_excerpt);
331 register_action(editor, window, Editor::move_to_start_of_next_excerpt);
332 register_action(editor, window, Editor::move_to_end_of_excerpt);
333 register_action(editor, window, Editor::move_to_end_of_previous_excerpt);
334 register_action(editor, window, Editor::select_up);
335 register_action(editor, window, Editor::select_down);
336 register_action(editor, window, Editor::select_left);
337 register_action(editor, window, Editor::select_right);
338 register_action(editor, window, Editor::select_to_previous_word_start);
339 register_action(editor, window, Editor::select_to_previous_subword_start);
340 register_action(editor, window, Editor::select_to_next_word_end);
341 register_action(editor, window, Editor::select_to_next_subword_end);
342 register_action(editor, window, Editor::select_to_beginning_of_line);
343 register_action(editor, window, Editor::select_to_end_of_line);
344 register_action(editor, window, Editor::select_to_start_of_paragraph);
345 register_action(editor, window, Editor::select_to_end_of_paragraph);
346 register_action(editor, window, Editor::select_to_start_of_excerpt);
347 register_action(editor, window, Editor::select_to_start_of_next_excerpt);
348 register_action(editor, window, Editor::select_to_end_of_excerpt);
349 register_action(editor, window, Editor::select_to_end_of_previous_excerpt);
350 register_action(editor, window, Editor::select_to_beginning);
351 register_action(editor, window, Editor::select_to_end);
352 register_action(editor, window, Editor::select_all);
353 register_action(editor, window, |editor, action, window, cx| {
354 editor.select_all_matches(action, window, cx).log_err();
355 });
356 register_action(editor, window, Editor::select_line);
357 register_action(editor, window, Editor::split_selection_into_lines);
358 register_action(editor, window, Editor::add_selection_above);
359 register_action(editor, window, Editor::add_selection_below);
360 register_action(editor, window, |editor, action, window, cx| {
361 editor.select_next(action, window, cx).log_err();
362 });
363 register_action(editor, window, |editor, action, window, cx| {
364 editor.select_previous(action, window, cx).log_err();
365 });
366 register_action(editor, window, |editor, action, window, cx| {
367 editor.find_next_match(action, window, cx).log_err();
368 });
369 register_action(editor, window, |editor, action, window, cx| {
370 editor.find_previous_match(action, window, cx).log_err();
371 });
372 register_action(editor, window, Editor::toggle_comments);
373 register_action(editor, window, Editor::select_larger_syntax_node);
374 register_action(editor, window, Editor::select_smaller_syntax_node);
375 register_action(editor, window, Editor::select_next_syntax_node);
376 register_action(editor, window, Editor::select_prev_syntax_node);
377 register_action(editor, window, Editor::unwrap_syntax_node);
378 register_action(editor, window, Editor::select_enclosing_symbol);
379 register_action(editor, window, Editor::move_to_enclosing_bracket);
380 register_action(editor, window, Editor::undo_selection);
381 register_action(editor, window, Editor::redo_selection);
382 if editor.read(cx).buffer_kind(cx) == ItemBufferKind::Multibuffer {
383 register_action(editor, window, Editor::expand_excerpts);
384 register_action(editor, window, Editor::expand_excerpts_up);
385 register_action(editor, window, Editor::expand_excerpts_down);
386 }
387 register_action(editor, window, Editor::go_to_diagnostic);
388 register_action(editor, window, Editor::go_to_prev_diagnostic);
389 register_action(editor, window, Editor::go_to_next_hunk);
390 register_action(editor, window, Editor::go_to_prev_hunk);
391 register_action(editor, window, Editor::go_to_next_document_highlight);
392 register_action(editor, window, Editor::go_to_prev_document_highlight);
393 register_action(editor, window, |editor, action, window, cx| {
394 editor
395 .go_to_definition(action, window, cx)
396 .detach_and_log_err(cx);
397 });
398 register_action(editor, window, |editor, action, window, cx| {
399 editor
400 .go_to_definition_split(action, window, cx)
401 .detach_and_log_err(cx);
402 });
403 register_action(editor, window, |editor, action, window, cx| {
404 editor
405 .go_to_declaration(action, window, cx)
406 .detach_and_log_err(cx);
407 });
408 register_action(editor, window, |editor, action, window, cx| {
409 editor
410 .go_to_declaration_split(action, window, cx)
411 .detach_and_log_err(cx);
412 });
413 register_action(editor, window, |editor, action, window, cx| {
414 editor
415 .go_to_implementation(action, window, cx)
416 .detach_and_log_err(cx);
417 });
418 register_action(editor, window, |editor, action, window, cx| {
419 editor
420 .go_to_implementation_split(action, window, cx)
421 .detach_and_log_err(cx);
422 });
423 register_action(editor, window, |editor, action, window, cx| {
424 editor
425 .go_to_type_definition(action, window, cx)
426 .detach_and_log_err(cx);
427 });
428 register_action(editor, window, |editor, action, window, cx| {
429 editor
430 .go_to_type_definition_split(action, window, cx)
431 .detach_and_log_err(cx);
432 });
433 register_action(editor, window, Editor::open_url);
434 register_action(editor, window, Editor::open_selected_filename);
435 register_action(editor, window, Editor::fold);
436 register_action(editor, window, Editor::fold_at_level);
437 register_action(editor, window, Editor::fold_at_level_1);
438 register_action(editor, window, Editor::fold_at_level_2);
439 register_action(editor, window, Editor::fold_at_level_3);
440 register_action(editor, window, Editor::fold_at_level_4);
441 register_action(editor, window, Editor::fold_at_level_5);
442 register_action(editor, window, Editor::fold_at_level_6);
443 register_action(editor, window, Editor::fold_at_level_7);
444 register_action(editor, window, Editor::fold_at_level_8);
445 register_action(editor, window, Editor::fold_at_level_9);
446 register_action(editor, window, Editor::fold_all);
447 register_action(editor, window, Editor::fold_function_bodies);
448 register_action(editor, window, Editor::fold_recursive);
449 register_action(editor, window, Editor::toggle_fold);
450 register_action(editor, window, Editor::toggle_fold_recursive);
451 register_action(editor, window, Editor::toggle_fold_all);
452 register_action(editor, window, Editor::unfold_lines);
453 register_action(editor, window, Editor::unfold_recursive);
454 register_action(editor, window, Editor::unfold_all);
455 register_action(editor, window, Editor::fold_selected_ranges);
456 register_action(editor, window, Editor::set_mark);
457 register_action(editor, window, Editor::swap_selection_ends);
458 register_action(editor, window, Editor::show_completions);
459 register_action(editor, window, Editor::show_word_completions);
460 register_action(editor, window, Editor::toggle_code_actions);
461 register_action(editor, window, Editor::open_excerpts);
462 register_action(editor, window, Editor::open_excerpts_in_split);
463 register_action(editor, window, Editor::toggle_soft_wrap);
464 register_action(editor, window, Editor::toggle_tab_bar);
465 register_action(editor, window, Editor::toggle_line_numbers);
466 register_action(editor, window, Editor::toggle_relative_line_numbers);
467 register_action(editor, window, Editor::toggle_indent_guides);
468 register_action(editor, window, Editor::toggle_inlay_hints);
469 register_action(editor, window, Editor::toggle_edit_predictions);
470 if editor.read(cx).diagnostics_enabled() {
471 register_action(editor, window, Editor::toggle_diagnostics);
472 }
473 if editor.read(cx).inline_diagnostics_enabled() {
474 register_action(editor, window, Editor::toggle_inline_diagnostics);
475 }
476 if editor.read(cx).supports_minimap(cx) {
477 register_action(editor, window, Editor::toggle_minimap);
478 }
479 register_action(editor, window, hover_popover::hover);
480 register_action(editor, window, Editor::reveal_in_finder);
481 register_action(editor, window, Editor::copy_path);
482 register_action(editor, window, Editor::copy_relative_path);
483 register_action(editor, window, Editor::copy_file_name);
484 register_action(editor, window, Editor::copy_file_name_without_extension);
485 register_action(editor, window, Editor::copy_highlight_json);
486 register_action(editor, window, Editor::copy_permalink_to_line);
487 register_action(editor, window, Editor::open_permalink_to_line);
488 register_action(editor, window, Editor::copy_file_location);
489 register_action(editor, window, Editor::toggle_git_blame);
490 register_action(editor, window, Editor::toggle_git_blame_inline);
491 register_action(editor, window, Editor::open_git_blame_commit);
492 register_action(editor, window, Editor::toggle_selected_diff_hunks);
493 register_action(editor, window, Editor::toggle_staged_selected_diff_hunks);
494 register_action(editor, window, Editor::stage_and_next);
495 register_action(editor, window, Editor::unstage_and_next);
496 register_action(editor, window, Editor::expand_all_diff_hunks);
497 register_action(editor, window, Editor::collapse_all_diff_hunks);
498 register_action(editor, window, Editor::go_to_previous_change);
499 register_action(editor, window, Editor::go_to_next_change);
500 register_action(editor, window, Editor::go_to_prev_reference);
501 register_action(editor, window, Editor::go_to_next_reference);
502
503 register_action(editor, window, |editor, action, window, cx| {
504 if let Some(task) = editor.format(action, window, cx) {
505 task.detach_and_notify_err(window, cx);
506 } else {
507 cx.propagate();
508 }
509 });
510 register_action(editor, window, |editor, action, window, cx| {
511 if let Some(task) = editor.format_selections(action, window, cx) {
512 task.detach_and_notify_err(window, cx);
513 } else {
514 cx.propagate();
515 }
516 });
517 register_action(editor, window, |editor, action, window, cx| {
518 if let Some(task) = editor.organize_imports(action, window, cx) {
519 task.detach_and_notify_err(window, cx);
520 } else {
521 cx.propagate();
522 }
523 });
524 register_action(editor, window, Editor::restart_language_server);
525 register_action(editor, window, Editor::stop_language_server);
526 register_action(editor, window, Editor::show_character_palette);
527 register_action(editor, window, |editor, action, window, cx| {
528 if let Some(task) = editor.confirm_completion(action, window, cx) {
529 task.detach_and_notify_err(window, cx);
530 } else {
531 cx.propagate();
532 }
533 });
534 register_action(editor, window, |editor, action, window, cx| {
535 if let Some(task) = editor.confirm_completion_replace(action, window, cx) {
536 task.detach_and_notify_err(window, cx);
537 } else {
538 cx.propagate();
539 }
540 });
541 register_action(editor, window, |editor, action, window, cx| {
542 if let Some(task) = editor.confirm_completion_insert(action, window, cx) {
543 task.detach_and_notify_err(window, cx);
544 } else {
545 cx.propagate();
546 }
547 });
548 register_action(editor, window, |editor, action, window, cx| {
549 if let Some(task) = editor.compose_completion(action, window, cx) {
550 task.detach_and_notify_err(window, cx);
551 } else {
552 cx.propagate();
553 }
554 });
555 register_action(editor, window, |editor, action, window, cx| {
556 if let Some(task) = editor.confirm_code_action(action, window, cx) {
557 task.detach_and_notify_err(window, cx);
558 } else {
559 cx.propagate();
560 }
561 });
562 register_action(editor, window, |editor, action, window, cx| {
563 if let Some(task) = editor.rename(action, window, cx) {
564 task.detach_and_notify_err(window, cx);
565 } else {
566 cx.propagate();
567 }
568 });
569 register_action(editor, window, |editor, action, window, cx| {
570 if let Some(task) = editor.confirm_rename(action, window, cx) {
571 task.detach_and_notify_err(window, cx);
572 } else {
573 cx.propagate();
574 }
575 });
576 register_action(editor, window, |editor, action, window, cx| {
577 if let Some(task) = editor.find_all_references(action, window, cx) {
578 task.detach_and_log_err(cx);
579 } else {
580 cx.propagate();
581 }
582 });
583 register_action(editor, window, Editor::show_signature_help);
584 register_action(editor, window, Editor::signature_help_prev);
585 register_action(editor, window, Editor::signature_help_next);
586 register_action(editor, window, Editor::next_edit_prediction);
587 register_action(editor, window, Editor::previous_edit_prediction);
588 register_action(editor, window, Editor::show_edit_prediction);
589 register_action(editor, window, Editor::context_menu_first);
590 register_action(editor, window, Editor::context_menu_prev);
591 register_action(editor, window, Editor::context_menu_next);
592 register_action(editor, window, Editor::context_menu_last);
593 register_action(editor, window, Editor::display_cursor_names);
594 register_action(editor, window, Editor::unique_lines_case_insensitive);
595 register_action(editor, window, Editor::unique_lines_case_sensitive);
596 register_action(editor, window, Editor::accept_partial_edit_prediction);
597 register_action(editor, window, Editor::accept_edit_prediction);
598 register_action(editor, window, Editor::restore_file);
599 register_action(editor, window, Editor::git_restore);
600 register_action(editor, window, Editor::apply_all_diff_hunks);
601 register_action(editor, window, Editor::apply_selected_diff_hunks);
602 register_action(editor, window, Editor::open_active_item_in_terminal);
603 register_action(editor, window, Editor::reload_file);
604 register_action(editor, window, Editor::spawn_nearest_task);
605 register_action(editor, window, Editor::insert_uuid_v4);
606 register_action(editor, window, Editor::insert_uuid_v7);
607 register_action(editor, window, Editor::open_selections_in_multibuffer);
608 register_action(editor, window, Editor::toggle_breakpoint);
609 register_action(editor, window, Editor::edit_log_breakpoint);
610 register_action(editor, window, Editor::enable_breakpoint);
611 register_action(editor, window, Editor::disable_breakpoint);
612 if editor.read(cx).enable_wrap_selections_in_tag(cx) {
613 register_action(editor, window, Editor::wrap_selections_in_tag);
614 }
615 }
616
617 fn register_key_listeners(&self, window: &mut Window, _: &mut App, layout: &EditorLayout) {
618 let position_map = layout.position_map.clone();
619 window.on_key_event({
620 let editor = self.editor.clone();
621 move |event: &ModifiersChangedEvent, phase, window, cx| {
622 if phase != DispatchPhase::Bubble {
623 return;
624 }
625 editor.update(cx, |editor, cx| {
626 let inlay_hint_settings = inlay_hint_settings(
627 editor.selections.newest_anchor().head(),
628 &editor.buffer.read(cx).snapshot(cx),
629 cx,
630 );
631
632 if let Some(inlay_modifiers) = inlay_hint_settings
633 .toggle_on_modifiers_press
634 .as_ref()
635 .filter(|modifiers| modifiers.modified())
636 {
637 editor.refresh_inlay_hints(
638 InlayHintRefreshReason::ModifiersChanged(
639 inlay_modifiers == &event.modifiers,
640 ),
641 cx,
642 );
643 }
644
645 if editor.hover_state.focused(window, cx) {
646 return;
647 }
648
649 editor.handle_modifiers_changed(event.modifiers, &position_map, window, cx);
650 })
651 }
652 });
653 }
654
655 fn mouse_left_down(
656 editor: &mut Editor,
657 event: &MouseDownEvent,
658 position_map: &PositionMap,
659 line_numbers: &HashMap<MultiBufferRow, LineNumberLayout>,
660 window: &mut Window,
661 cx: &mut Context<Editor>,
662 ) {
663 if window.default_prevented() {
664 return;
665 }
666
667 let text_hitbox = &position_map.text_hitbox;
668 let gutter_hitbox = &position_map.gutter_hitbox;
669 let point_for_position = position_map.point_for_position(event.position);
670 let mut click_count = event.click_count;
671 let mut modifiers = event.modifiers;
672
673 if let Some(hovered_hunk) =
674 position_map
675 .display_hunks
676 .iter()
677 .find_map(|(hunk, hunk_hitbox)| match hunk {
678 DisplayDiffHunk::Folded { .. } => None,
679 DisplayDiffHunk::Unfolded {
680 multi_buffer_range, ..
681 } => hunk_hitbox
682 .as_ref()
683 .is_some_and(|hitbox| hitbox.is_hovered(window))
684 .then(|| multi_buffer_range.clone()),
685 })
686 {
687 editor.toggle_single_diff_hunk(hovered_hunk, cx);
688 cx.notify();
689 return;
690 } else if gutter_hitbox.is_hovered(window) {
691 click_count = 3; // Simulate triple-click when clicking the gutter to select lines
692 } else if !text_hitbox.is_hovered(window) {
693 return;
694 }
695
696 if EditorSettings::get_global(cx)
697 .drag_and_drop_selection
698 .enabled
699 && click_count == 1
700 && !modifiers.shift
701 {
702 let newest_anchor = editor.selections.newest_anchor();
703 let snapshot = editor.snapshot(window, cx);
704 let selection = newest_anchor.map(|anchor| anchor.to_display_point(&snapshot));
705 if point_for_position.intersects_selection(&selection) {
706 editor.selection_drag_state = SelectionDragState::ReadyToDrag {
707 selection: newest_anchor.clone(),
708 click_position: event.position,
709 mouse_down_time: Instant::now(),
710 };
711 cx.stop_propagation();
712 return;
713 }
714 }
715
716 let is_singleton = editor.buffer().read(cx).is_singleton();
717
718 if click_count == 2 && !is_singleton {
719 match EditorSettings::get_global(cx).double_click_in_multibuffer {
720 DoubleClickInMultibuffer::Select => {
721 // do nothing special on double click, all selection logic is below
722 }
723 DoubleClickInMultibuffer::Open => {
724 if modifiers.alt {
725 // if double click is made with alt, pretend it's a regular double click without opening and alt,
726 // and run the selection logic.
727 modifiers.alt = false;
728 } else {
729 let scroll_position_row = position_map.scroll_position.y;
730 let display_row = (((event.position - gutter_hitbox.bounds.origin).y
731 / position_map.line_height)
732 as f64
733 + position_map.scroll_position.y)
734 as u32;
735 let multi_buffer_row = position_map
736 .snapshot
737 .display_point_to_point(
738 DisplayPoint::new(DisplayRow(display_row), 0),
739 Bias::Right,
740 )
741 .row;
742 let line_offset_from_top = display_row - scroll_position_row as u32;
743 // if double click is made without alt, open the corresponding excerp
744 editor.open_excerpts_common(
745 Some(JumpData::MultiBufferRow {
746 row: MultiBufferRow(multi_buffer_row),
747 line_offset_from_top,
748 }),
749 false,
750 window,
751 cx,
752 );
753 return;
754 }
755 }
756 }
757 }
758
759 if !is_singleton {
760 let display_row = (ScrollPixelOffset::from(
761 (event.position - gutter_hitbox.bounds.origin).y / position_map.line_height,
762 ) + position_map.scroll_position.y) as u32;
763 let multi_buffer_row = position_map
764 .snapshot
765 .display_point_to_point(DisplayPoint::new(DisplayRow(display_row), 0), Bias::Right)
766 .row;
767 if line_numbers
768 .get(&MultiBufferRow(multi_buffer_row))
769 .and_then(|line_number| line_number.hitbox.as_ref())
770 .is_some_and(|hitbox| hitbox.contains(&event.position))
771 {
772 let line_offset_from_top = display_row - position_map.scroll_position.y as u32;
773
774 editor.open_excerpts_common(
775 Some(JumpData::MultiBufferRow {
776 row: MultiBufferRow(multi_buffer_row),
777 line_offset_from_top,
778 }),
779 modifiers.alt,
780 window,
781 cx,
782 );
783 cx.stop_propagation();
784 return;
785 }
786 }
787
788 let position = point_for_position.previous_valid;
789 if let Some(mode) = Editor::columnar_selection_mode(&modifiers, cx) {
790 editor.select(
791 SelectPhase::BeginColumnar {
792 position,
793 reset: match mode {
794 ColumnarMode::FromMouse => true,
795 ColumnarMode::FromSelection => false,
796 },
797 mode,
798 goal_column: point_for_position.exact_unclipped.column(),
799 },
800 window,
801 cx,
802 );
803 } else if modifiers.shift && !modifiers.control && !modifiers.alt && !modifiers.secondary()
804 {
805 editor.select(
806 SelectPhase::Extend {
807 position,
808 click_count,
809 },
810 window,
811 cx,
812 );
813 } else {
814 editor.select(
815 SelectPhase::Begin {
816 position,
817 add: Editor::multi_cursor_modifier(true, &modifiers, cx),
818 click_count,
819 },
820 window,
821 cx,
822 );
823 }
824 cx.stop_propagation();
825 }
826
827 fn mouse_right_down(
828 editor: &mut Editor,
829 event: &MouseDownEvent,
830 position_map: &PositionMap,
831 window: &mut Window,
832 cx: &mut Context<Editor>,
833 ) {
834 if position_map.gutter_hitbox.is_hovered(window) {
835 let gutter_right_padding = editor.gutter_dimensions.right_padding;
836 let hitbox = &position_map.gutter_hitbox;
837
838 if event.position.x <= hitbox.bounds.right() - gutter_right_padding {
839 let point_for_position = position_map.point_for_position(event.position);
840 editor.set_breakpoint_context_menu(
841 point_for_position.previous_valid.row(),
842 None,
843 event.position,
844 window,
845 cx,
846 );
847 }
848 return;
849 }
850
851 if !position_map.text_hitbox.is_hovered(window) {
852 return;
853 }
854
855 let point_for_position = position_map.point_for_position(event.position);
856 mouse_context_menu::deploy_context_menu(
857 editor,
858 Some(event.position),
859 point_for_position.previous_valid,
860 window,
861 cx,
862 );
863 cx.stop_propagation();
864 }
865
866 fn mouse_middle_down(
867 editor: &mut Editor,
868 event: &MouseDownEvent,
869 position_map: &PositionMap,
870 window: &mut Window,
871 cx: &mut Context<Editor>,
872 ) {
873 if !position_map.text_hitbox.is_hovered(window) || window.default_prevented() {
874 return;
875 }
876
877 let point_for_position = position_map.point_for_position(event.position);
878 let position = point_for_position.previous_valid;
879
880 editor.select(
881 SelectPhase::BeginColumnar {
882 position,
883 reset: true,
884 mode: ColumnarMode::FromMouse,
885 goal_column: point_for_position.exact_unclipped.column(),
886 },
887 window,
888 cx,
889 );
890 }
891
892 fn mouse_up(
893 editor: &mut Editor,
894 event: &MouseUpEvent,
895 position_map: &PositionMap,
896 window: &mut Window,
897 cx: &mut Context<Editor>,
898 ) {
899 let text_hitbox = &position_map.text_hitbox;
900 let end_selection = editor.has_pending_selection();
901 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
902 let point_for_position = position_map.point_for_position(event.position);
903
904 match editor.selection_drag_state {
905 SelectionDragState::ReadyToDrag {
906 selection: _,
907 ref click_position,
908 mouse_down_time: _,
909 } => {
910 if event.position == *click_position {
911 editor.select(
912 SelectPhase::Begin {
913 position: point_for_position.previous_valid,
914 add: false,
915 click_count: 1, // ready to drag state only occurs on click count 1
916 },
917 window,
918 cx,
919 );
920 editor.selection_drag_state = SelectionDragState::None;
921 cx.stop_propagation();
922 return;
923 } else {
924 debug_panic!("drag state can never be in ready state after drag")
925 }
926 }
927 SelectionDragState::Dragging { ref selection, .. } => {
928 let snapshot = editor.snapshot(window, cx);
929 let selection_display = selection.map(|anchor| anchor.to_display_point(&snapshot));
930 if !point_for_position.intersects_selection(&selection_display)
931 && text_hitbox.is_hovered(window)
932 {
933 let is_cut = !(cfg!(target_os = "macos") && event.modifiers.alt
934 || cfg!(not(target_os = "macos")) && event.modifiers.control);
935 editor.move_selection_on_drop(
936 &selection.clone(),
937 point_for_position.previous_valid,
938 is_cut,
939 window,
940 cx,
941 );
942 }
943 editor.selection_drag_state = SelectionDragState::None;
944 cx.stop_propagation();
945 cx.notify();
946 return;
947 }
948 _ => {}
949 }
950
951 if end_selection {
952 editor.select(SelectPhase::End, window, cx);
953 }
954
955 if end_selection && pending_nonempty_selections {
956 cx.stop_propagation();
957 } else if cfg!(any(target_os = "linux", target_os = "freebsd"))
958 && event.button == MouseButton::Middle
959 {
960 #[allow(
961 clippy::collapsible_if,
962 clippy::needless_return,
963 reason = "The cfg-block below makes this a false positive"
964 )]
965 if !text_hitbox.is_hovered(window) || editor.read_only(cx) {
966 return;
967 }
968
969 #[cfg(any(target_os = "linux", target_os = "freebsd"))]
970 if EditorSettings::get_global(cx).middle_click_paste {
971 if let Some(text) = cx.read_from_primary().and_then(|item| item.text()) {
972 let point_for_position = position_map.point_for_position(event.position);
973 let position = point_for_position.previous_valid;
974
975 editor.select(
976 SelectPhase::Begin {
977 position,
978 add: false,
979 click_count: 1,
980 },
981 window,
982 cx,
983 );
984 editor.insert(&text, window, cx);
985 }
986 cx.stop_propagation()
987 }
988 }
989 }
990
991 fn click(
992 editor: &mut Editor,
993 event: &ClickEvent,
994 position_map: &PositionMap,
995 window: &mut Window,
996 cx: &mut Context<Editor>,
997 ) {
998 let text_hitbox = &position_map.text_hitbox;
999 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
1000
1001 let hovered_link_modifier = Editor::multi_cursor_modifier(false, &event.modifiers(), cx);
1002
1003 if let Some(mouse_position) = event.mouse_position()
1004 && !pending_nonempty_selections
1005 && hovered_link_modifier
1006 && text_hitbox.is_hovered(window)
1007 {
1008 let point = position_map.point_for_position(mouse_position);
1009 editor.handle_click_hovered_link(point, event.modifiers(), window, cx);
1010 editor.selection_drag_state = SelectionDragState::None;
1011
1012 cx.stop_propagation();
1013 }
1014 }
1015
1016 fn mouse_dragged(
1017 editor: &mut Editor,
1018 event: &MouseMoveEvent,
1019 position_map: &PositionMap,
1020 window: &mut Window,
1021 cx: &mut Context<Editor>,
1022 ) {
1023 if !editor.has_pending_selection()
1024 && matches!(editor.selection_drag_state, SelectionDragState::None)
1025 {
1026 return;
1027 }
1028
1029 let point_for_position = position_map.point_for_position(event.position);
1030 let text_hitbox = &position_map.text_hitbox;
1031
1032 let scroll_delta = {
1033 let text_bounds = text_hitbox.bounds;
1034 let mut scroll_delta = gpui::Point::<f32>::default();
1035 let vertical_margin = position_map.line_height.min(text_bounds.size.height / 3.0);
1036 let top = text_bounds.origin.y + vertical_margin;
1037 let bottom = text_bounds.bottom_left().y - vertical_margin;
1038 if event.position.y < top {
1039 scroll_delta.y = -scale_vertical_mouse_autoscroll_delta(top - event.position.y);
1040 }
1041 if event.position.y > bottom {
1042 scroll_delta.y = scale_vertical_mouse_autoscroll_delta(event.position.y - bottom);
1043 }
1044
1045 // We need horizontal width of text
1046 let style = editor.style.clone().unwrap_or_default();
1047 let font_id = window.text_system().resolve_font(&style.text.font());
1048 let font_size = style.text.font_size.to_pixels(window.rem_size());
1049 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
1050
1051 let scroll_margin_x = EditorSettings::get_global(cx).horizontal_scroll_margin;
1052
1053 let scroll_space: Pixels = scroll_margin_x * em_width;
1054
1055 let left = text_bounds.origin.x + scroll_space;
1056 let right = text_bounds.top_right().x - scroll_space;
1057
1058 if event.position.x < left {
1059 scroll_delta.x = -scale_horizontal_mouse_autoscroll_delta(left - event.position.x);
1060 }
1061 if event.position.x > right {
1062 scroll_delta.x = scale_horizontal_mouse_autoscroll_delta(event.position.x - right);
1063 }
1064 scroll_delta
1065 };
1066
1067 if !editor.has_pending_selection() {
1068 let drop_anchor = position_map
1069 .snapshot
1070 .display_point_to_anchor(point_for_position.previous_valid, Bias::Left);
1071 match editor.selection_drag_state {
1072 SelectionDragState::Dragging {
1073 ref mut drop_cursor,
1074 ref mut hide_drop_cursor,
1075 ..
1076 } => {
1077 drop_cursor.start = drop_anchor;
1078 drop_cursor.end = drop_anchor;
1079 *hide_drop_cursor = !text_hitbox.is_hovered(window);
1080 editor.apply_scroll_delta(scroll_delta, window, cx);
1081 cx.notify();
1082 }
1083 SelectionDragState::ReadyToDrag {
1084 ref selection,
1085 ref click_position,
1086 ref mouse_down_time,
1087 } => {
1088 let drag_and_drop_delay = Duration::from_millis(
1089 EditorSettings::get_global(cx)
1090 .drag_and_drop_selection
1091 .delay
1092 .0,
1093 );
1094 if mouse_down_time.elapsed() >= drag_and_drop_delay {
1095 let drop_cursor = Selection {
1096 id: post_inc(&mut editor.selections.next_selection_id()),
1097 start: drop_anchor,
1098 end: drop_anchor,
1099 reversed: false,
1100 goal: SelectionGoal::None,
1101 };
1102 editor.selection_drag_state = SelectionDragState::Dragging {
1103 selection: selection.clone(),
1104 drop_cursor,
1105 hide_drop_cursor: false,
1106 };
1107 editor.apply_scroll_delta(scroll_delta, window, cx);
1108 cx.notify();
1109 } else {
1110 let click_point = position_map.point_for_position(*click_position);
1111 editor.selection_drag_state = SelectionDragState::None;
1112 editor.select(
1113 SelectPhase::Begin {
1114 position: click_point.previous_valid,
1115 add: false,
1116 click_count: 1,
1117 },
1118 window,
1119 cx,
1120 );
1121 editor.select(
1122 SelectPhase::Update {
1123 position: point_for_position.previous_valid,
1124 goal_column: point_for_position.exact_unclipped.column(),
1125 scroll_delta,
1126 },
1127 window,
1128 cx,
1129 );
1130 }
1131 }
1132 _ => {}
1133 }
1134 } else {
1135 editor.select(
1136 SelectPhase::Update {
1137 position: point_for_position.previous_valid,
1138 goal_column: point_for_position.exact_unclipped.column(),
1139 scroll_delta,
1140 },
1141 window,
1142 cx,
1143 );
1144 }
1145 }
1146
1147 fn mouse_moved(
1148 editor: &mut Editor,
1149 event: &MouseMoveEvent,
1150 position_map: &PositionMap,
1151 window: &mut Window,
1152 cx: &mut Context<Editor>,
1153 ) {
1154 let text_hitbox = &position_map.text_hitbox;
1155 let gutter_hitbox = &position_map.gutter_hitbox;
1156 let modifiers = event.modifiers;
1157 let text_hovered = text_hitbox.is_hovered(window);
1158 let gutter_hovered = gutter_hitbox.is_hovered(window);
1159 editor.set_gutter_hovered(gutter_hovered, cx);
1160 editor.show_mouse_cursor(cx);
1161
1162 let point_for_position = position_map.point_for_position(event.position);
1163 let valid_point = point_for_position.previous_valid;
1164
1165 let hovered_diff_control = position_map
1166 .diff_hunk_control_bounds
1167 .iter()
1168 .find(|(_, bounds)| bounds.contains(&event.position))
1169 .map(|(row, _)| *row);
1170
1171 let hovered_diff_hunk_row = if let Some(control_row) = hovered_diff_control {
1172 Some(control_row)
1173 } else if text_hovered {
1174 let current_row = valid_point.row();
1175 position_map.display_hunks.iter().find_map(|(hunk, _)| {
1176 if let DisplayDiffHunk::Unfolded {
1177 display_row_range, ..
1178 } = hunk
1179 {
1180 if display_row_range.contains(¤t_row) {
1181 Some(display_row_range.start)
1182 } else {
1183 None
1184 }
1185 } else {
1186 None
1187 }
1188 })
1189 } else {
1190 None
1191 };
1192
1193 if hovered_diff_hunk_row != editor.hovered_diff_hunk_row {
1194 editor.hovered_diff_hunk_row = hovered_diff_hunk_row;
1195 cx.notify();
1196 }
1197
1198 if let Some((bounds, buffer_id, blame_entry)) = &position_map.inline_blame_bounds {
1199 let mouse_over_inline_blame = bounds.contains(&event.position);
1200 let mouse_over_popover = editor
1201 .inline_blame_popover
1202 .as_ref()
1203 .and_then(|state| state.popover_bounds)
1204 .is_some_and(|bounds| bounds.contains(&event.position));
1205 let keyboard_grace = editor
1206 .inline_blame_popover
1207 .as_ref()
1208 .is_some_and(|state| state.keyboard_grace);
1209
1210 if mouse_over_inline_blame || mouse_over_popover {
1211 editor.show_blame_popover(*buffer_id, blame_entry, event.position, false, cx);
1212 } else if !keyboard_grace {
1213 editor.hide_blame_popover(false, cx);
1214 }
1215 } else {
1216 editor.hide_blame_popover(false, cx);
1217 }
1218
1219 let breakpoint_indicator = if gutter_hovered {
1220 let buffer_anchor = position_map
1221 .snapshot
1222 .display_point_to_anchor(valid_point, Bias::Left);
1223
1224 if let Some((buffer_snapshot, file)) = position_map
1225 .snapshot
1226 .buffer_snapshot()
1227 .buffer_for_excerpt(buffer_anchor.excerpt_id)
1228 .and_then(|buffer| buffer.file().map(|file| (buffer, file)))
1229 {
1230 let as_point = text::ToPoint::to_point(&buffer_anchor.text_anchor, buffer_snapshot);
1231
1232 let is_visible = editor
1233 .gutter_breakpoint_indicator
1234 .0
1235 .is_some_and(|indicator| indicator.is_active);
1236
1237 let has_existing_breakpoint =
1238 editor.breakpoint_store.as_ref().is_some_and(|store| {
1239 let Some(project) = &editor.project else {
1240 return false;
1241 };
1242 let Some(abs_path) = project.read(cx).absolute_path(
1243 &ProjectPath {
1244 path: file.path().clone(),
1245 worktree_id: file.worktree_id(cx),
1246 },
1247 cx,
1248 ) else {
1249 return false;
1250 };
1251 store
1252 .read(cx)
1253 .breakpoint_at_row(&abs_path, as_point.row, cx)
1254 .is_some()
1255 });
1256
1257 if !is_visible {
1258 editor.gutter_breakpoint_indicator.1.get_or_insert_with(|| {
1259 cx.spawn(async move |this, cx| {
1260 cx.background_executor()
1261 .timer(Duration::from_millis(200))
1262 .await;
1263
1264 this.update(cx, |this, cx| {
1265 if let Some(indicator) = this.gutter_breakpoint_indicator.0.as_mut()
1266 {
1267 indicator.is_active = true;
1268 cx.notify();
1269 }
1270 })
1271 .ok();
1272 })
1273 });
1274 }
1275
1276 Some(PhantomBreakpointIndicator {
1277 display_row: valid_point.row(),
1278 is_active: is_visible,
1279 collides_with_existing_breakpoint: has_existing_breakpoint,
1280 })
1281 } else {
1282 editor.gutter_breakpoint_indicator.1 = None;
1283 None
1284 }
1285 } else {
1286 editor.gutter_breakpoint_indicator.1 = None;
1287 None
1288 };
1289
1290 if &breakpoint_indicator != &editor.gutter_breakpoint_indicator.0 {
1291 editor.gutter_breakpoint_indicator.0 = breakpoint_indicator;
1292 cx.notify();
1293 }
1294
1295 // Don't trigger hover popover if mouse is hovering over context menu
1296 if text_hovered {
1297 editor.update_hovered_link(
1298 point_for_position,
1299 &position_map.snapshot,
1300 modifiers,
1301 window,
1302 cx,
1303 );
1304
1305 if let Some(point) = point_for_position.as_valid() {
1306 let anchor = position_map
1307 .snapshot
1308 .buffer_snapshot()
1309 .anchor_before(point.to_offset(&position_map.snapshot, Bias::Left));
1310 hover_at(editor, Some(anchor), window, cx);
1311 Self::update_visible_cursor(editor, point, position_map, window, cx);
1312 } else {
1313 editor.update_inlay_link_and_hover_points(
1314 &position_map.snapshot,
1315 point_for_position,
1316 modifiers.secondary(),
1317 modifiers.shift,
1318 window,
1319 cx,
1320 );
1321 }
1322 } else {
1323 editor.hide_hovered_link(cx);
1324 hover_at(editor, None, window, cx);
1325 }
1326 }
1327
1328 fn update_visible_cursor(
1329 editor: &mut Editor,
1330 point: DisplayPoint,
1331 position_map: &PositionMap,
1332 window: &mut Window,
1333 cx: &mut Context<Editor>,
1334 ) {
1335 let snapshot = &position_map.snapshot;
1336 let Some(hub) = editor.collaboration_hub() else {
1337 return;
1338 };
1339 let start = snapshot.display_snapshot.clip_point(
1340 DisplayPoint::new(point.row(), point.column().saturating_sub(1)),
1341 Bias::Left,
1342 );
1343 let end = snapshot.display_snapshot.clip_point(
1344 DisplayPoint::new(
1345 point.row(),
1346 (point.column() + 1).min(snapshot.line_len(point.row())),
1347 ),
1348 Bias::Right,
1349 );
1350
1351 let range = snapshot
1352 .buffer_snapshot()
1353 .anchor_before(start.to_point(&snapshot.display_snapshot))
1354 ..snapshot
1355 .buffer_snapshot()
1356 .anchor_after(end.to_point(&snapshot.display_snapshot));
1357
1358 let Some(selection) = snapshot.remote_selections_in_range(&range, hub, cx).next() else {
1359 return;
1360 };
1361 let key = crate::HoveredCursor {
1362 replica_id: selection.replica_id,
1363 selection_id: selection.selection.id,
1364 };
1365 editor.hovered_cursors.insert(
1366 key.clone(),
1367 cx.spawn_in(window, async move |editor, cx| {
1368 cx.background_executor().timer(CURSORS_VISIBLE_FOR).await;
1369 editor
1370 .update(cx, |editor, cx| {
1371 editor.hovered_cursors.remove(&key);
1372 cx.notify();
1373 })
1374 .ok();
1375 }),
1376 );
1377 cx.notify()
1378 }
1379
1380 fn layout_selections(
1381 &self,
1382 start_anchor: Anchor,
1383 end_anchor: Anchor,
1384 local_selections: &[Selection<Point>],
1385 snapshot: &EditorSnapshot,
1386 start_row: DisplayRow,
1387 end_row: DisplayRow,
1388 window: &mut Window,
1389 cx: &mut App,
1390 ) -> (
1391 Vec<(PlayerColor, Vec<SelectionLayout>)>,
1392 BTreeMap<DisplayRow, LineHighlightSpec>,
1393 Option<DisplayPoint>,
1394 ) {
1395 let mut selections: Vec<(PlayerColor, Vec<SelectionLayout>)> = Vec::new();
1396 let mut active_rows = BTreeMap::new();
1397 let mut newest_selection_head = None;
1398
1399 let Some(editor_with_selections) = self.editor_with_selections(cx) else {
1400 return (selections, active_rows, newest_selection_head);
1401 };
1402
1403 editor_with_selections.update(cx, |editor, cx| {
1404 if editor.show_local_selections {
1405 let mut layouts = Vec::new();
1406 let newest = editor.selections.newest(&editor.display_snapshot(cx));
1407 for selection in local_selections.iter().cloned() {
1408 let is_empty = selection.start == selection.end;
1409 let is_newest = selection == newest;
1410
1411 let layout = SelectionLayout::new(
1412 selection,
1413 editor.selections.line_mode(),
1414 editor.cursor_shape,
1415 &snapshot.display_snapshot,
1416 is_newest,
1417 editor.leader_id.is_none(),
1418 None,
1419 );
1420 if is_newest {
1421 newest_selection_head = Some(layout.head);
1422 }
1423
1424 for row in cmp::max(layout.active_rows.start.0, start_row.0)
1425 ..=cmp::min(layout.active_rows.end.0, end_row.0)
1426 {
1427 let contains_non_empty_selection = active_rows
1428 .entry(DisplayRow(row))
1429 .or_insert_with(LineHighlightSpec::default);
1430 contains_non_empty_selection.selection |= !is_empty;
1431 }
1432 layouts.push(layout);
1433 }
1434
1435 let mut player = editor.current_user_player_color(cx);
1436 if !editor.is_focused(window) {
1437 const UNFOCUS_EDITOR_SELECTION_OPACITY: f32 = 0.5;
1438 player.selection = player.selection.opacity(UNFOCUS_EDITOR_SELECTION_OPACITY);
1439 }
1440 selections.push((player, layouts));
1441
1442 if let SelectionDragState::Dragging {
1443 ref selection,
1444 ref drop_cursor,
1445 ref hide_drop_cursor,
1446 } = editor.selection_drag_state
1447 && !hide_drop_cursor
1448 && (drop_cursor
1449 .start
1450 .cmp(&selection.start, &snapshot.buffer_snapshot())
1451 .eq(&Ordering::Less)
1452 || drop_cursor
1453 .end
1454 .cmp(&selection.end, &snapshot.buffer_snapshot())
1455 .eq(&Ordering::Greater))
1456 {
1457 let drag_cursor_layout = SelectionLayout::new(
1458 drop_cursor.clone(),
1459 false,
1460 CursorShape::Bar,
1461 &snapshot.display_snapshot,
1462 false,
1463 false,
1464 None,
1465 );
1466 let absent_color = cx.theme().players().absent();
1467 selections.push((absent_color, vec![drag_cursor_layout]));
1468 }
1469 }
1470
1471 if let Some(collaboration_hub) = &editor.collaboration_hub {
1472 // When following someone, render the local selections in their color.
1473 if let Some(leader_id) = editor.leader_id {
1474 match leader_id {
1475 CollaboratorId::PeerId(peer_id) => {
1476 if let Some(collaborator) =
1477 collaboration_hub.collaborators(cx).get(&peer_id)
1478 && let Some(participant_index) = collaboration_hub
1479 .user_participant_indices(cx)
1480 .get(&collaborator.user_id)
1481 && let Some((local_selection_style, _)) = selections.first_mut()
1482 {
1483 *local_selection_style = cx
1484 .theme()
1485 .players()
1486 .color_for_participant(participant_index.0);
1487 }
1488 }
1489 CollaboratorId::Agent => {
1490 if let Some((local_selection_style, _)) = selections.first_mut() {
1491 *local_selection_style = cx.theme().players().agent();
1492 }
1493 }
1494 }
1495 }
1496
1497 let mut remote_selections = HashMap::default();
1498 for selection in snapshot.remote_selections_in_range(
1499 &(start_anchor..end_anchor),
1500 collaboration_hub.as_ref(),
1501 cx,
1502 ) {
1503 // Don't re-render the leader's selections, since the local selections
1504 // match theirs.
1505 if Some(selection.collaborator_id) == editor.leader_id {
1506 continue;
1507 }
1508 let key = HoveredCursor {
1509 replica_id: selection.replica_id,
1510 selection_id: selection.selection.id,
1511 };
1512
1513 let is_shown =
1514 editor.show_cursor_names || editor.hovered_cursors.contains_key(&key);
1515
1516 remote_selections
1517 .entry(selection.replica_id)
1518 .or_insert((selection.color, Vec::new()))
1519 .1
1520 .push(SelectionLayout::new(
1521 selection.selection,
1522 selection.line_mode,
1523 selection.cursor_shape,
1524 &snapshot.display_snapshot,
1525 false,
1526 false,
1527 if is_shown { selection.user_name } else { None },
1528 ));
1529 }
1530
1531 selections.extend(remote_selections.into_values());
1532 } else if !editor.is_focused(window) && editor.show_cursor_when_unfocused {
1533 let layouts = snapshot
1534 .buffer_snapshot()
1535 .selections_in_range(&(start_anchor..end_anchor), true)
1536 .map(move |(_, line_mode, cursor_shape, selection)| {
1537 SelectionLayout::new(
1538 selection,
1539 line_mode,
1540 cursor_shape,
1541 &snapshot.display_snapshot,
1542 false,
1543 false,
1544 None,
1545 )
1546 })
1547 .collect::<Vec<_>>();
1548 let player = editor.current_user_player_color(cx);
1549 selections.push((player, layouts));
1550 }
1551 });
1552
1553 #[cfg(debug_assertions)]
1554 Self::layout_debug_ranges(
1555 &mut selections,
1556 start_anchor..end_anchor,
1557 &snapshot.display_snapshot,
1558 cx,
1559 );
1560
1561 (selections, active_rows, newest_selection_head)
1562 }
1563
1564 fn collect_cursors(
1565 &self,
1566 snapshot: &EditorSnapshot,
1567 cx: &mut App,
1568 ) -> Vec<(DisplayPoint, Hsla)> {
1569 let editor = self.editor.read(cx);
1570 let mut cursors = Vec::new();
1571 let mut skip_local = false;
1572 let mut add_cursor = |anchor: Anchor, color| {
1573 cursors.push((anchor.to_display_point(&snapshot.display_snapshot), color));
1574 };
1575 // Remote cursors
1576 if let Some(collaboration_hub) = &editor.collaboration_hub {
1577 for remote_selection in snapshot.remote_selections_in_range(
1578 &(Anchor::min()..Anchor::max()),
1579 collaboration_hub.deref(),
1580 cx,
1581 ) {
1582 add_cursor(
1583 remote_selection.selection.head(),
1584 remote_selection.color.cursor,
1585 );
1586 if Some(remote_selection.collaborator_id) == editor.leader_id {
1587 skip_local = true;
1588 }
1589 }
1590 }
1591 // Local cursors
1592 if !skip_local {
1593 let color = cx.theme().players().local().cursor;
1594 editor
1595 .selections
1596 .disjoint_anchors()
1597 .iter()
1598 .for_each(|selection| {
1599 add_cursor(selection.head(), color);
1600 });
1601 if let Some(ref selection) = editor.selections.pending_anchor() {
1602 add_cursor(selection.head(), color);
1603 }
1604 }
1605 cursors
1606 }
1607
1608 fn layout_visible_cursors(
1609 &self,
1610 snapshot: &EditorSnapshot,
1611 selections: &[(PlayerColor, Vec<SelectionLayout>)],
1612 row_block_types: &HashMap<DisplayRow, bool>,
1613 visible_display_row_range: Range<DisplayRow>,
1614 line_layouts: &[LineWithInvisibles],
1615 text_hitbox: &Hitbox,
1616 content_origin: gpui::Point<Pixels>,
1617 scroll_position: gpui::Point<ScrollOffset>,
1618 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
1619 line_height: Pixels,
1620 em_width: Pixels,
1621 em_advance: Pixels,
1622 autoscroll_containing_element: bool,
1623 window: &mut Window,
1624 cx: &mut App,
1625 ) -> Vec<CursorLayout> {
1626 let mut autoscroll_bounds = None;
1627 let cursor_layouts = self.editor.update(cx, |editor, cx| {
1628 let mut cursors = Vec::new();
1629
1630 let show_local_cursors = editor.show_local_cursors(window, cx);
1631
1632 for (player_color, selections) in selections {
1633 for selection in selections {
1634 let cursor_position = selection.head;
1635
1636 let in_range = visible_display_row_range.contains(&cursor_position.row());
1637 if (selection.is_local && !show_local_cursors)
1638 || !in_range
1639 || row_block_types.get(&cursor_position.row()) == Some(&true)
1640 {
1641 continue;
1642 }
1643
1644 let cursor_row_layout = &line_layouts
1645 [cursor_position.row().minus(visible_display_row_range.start) as usize];
1646 let cursor_column = cursor_position.column() as usize;
1647
1648 let cursor_character_x = cursor_row_layout.x_for_index(cursor_column);
1649 let mut block_width =
1650 cursor_row_layout.x_for_index(cursor_column + 1) - cursor_character_x;
1651 if block_width == Pixels::ZERO {
1652 block_width = em_advance;
1653 }
1654 let block_text = if let CursorShape::Block = selection.cursor_shape {
1655 snapshot
1656 .grapheme_at(cursor_position)
1657 .or_else(|| {
1658 if snapshot.is_empty() {
1659 snapshot.placeholder_text().and_then(|s| {
1660 s.graphemes(true).next().map(|s| s.to_string().into())
1661 })
1662 } else {
1663 None
1664 }
1665 })
1666 .map(|text| {
1667 let len = text.len();
1668
1669 let mut font = cursor_row_layout
1670 .font_id_for_index(cursor_column)
1671 .and_then(|cursor_font_id| {
1672 window.text_system().get_font_for_id(cursor_font_id)
1673 })
1674 .unwrap_or(self.style.text.font());
1675 font.features = self.style.text.font_features.clone();
1676
1677 // Invert the text color for the block cursor. Ensure that the text
1678 // color is opaque enough to be visible against the background color.
1679 //
1680 // 0.75 is an arbitrary threshold to determine if the background color is
1681 // opaque enough to use as a text color.
1682 //
1683 // TODO: In the future we should ensure themes have a `text_inverse` color.
1684 let color = if cx.theme().colors().editor_background.a < 0.75 {
1685 match cx.theme().appearance {
1686 Appearance::Dark => Hsla::black(),
1687 Appearance::Light => Hsla::white(),
1688 }
1689 } else {
1690 cx.theme().colors().editor_background
1691 };
1692
1693 window.text_system().shape_line(
1694 text,
1695 cursor_row_layout.font_size,
1696 &[TextRun {
1697 len,
1698 font,
1699 color,
1700 background_color: None,
1701 strikethrough: None,
1702 underline: None,
1703 }],
1704 None,
1705 )
1706 })
1707 } else {
1708 None
1709 };
1710
1711 let x = cursor_character_x - scroll_pixel_position.x.into();
1712 let y = ((cursor_position.row().as_f64() - scroll_position.y)
1713 * ScrollPixelOffset::from(line_height))
1714 .into();
1715 if selection.is_newest {
1716 editor.pixel_position_of_newest_cursor = Some(point(
1717 text_hitbox.origin.x + x + block_width / 2.,
1718 text_hitbox.origin.y + y + line_height / 2.,
1719 ));
1720
1721 if autoscroll_containing_element {
1722 let top = text_hitbox.origin.y
1723 + ((cursor_position.row().as_f64() - scroll_position.y - 3.)
1724 .max(0.)
1725 * ScrollPixelOffset::from(line_height))
1726 .into();
1727 let left = text_hitbox.origin.x
1728 + ((cursor_position.column() as ScrollOffset
1729 - scroll_position.x
1730 - 3.)
1731 .max(0.)
1732 * ScrollPixelOffset::from(em_width))
1733 .into();
1734
1735 let bottom = text_hitbox.origin.y
1736 + ((cursor_position.row().as_f64() - scroll_position.y + 4.)
1737 * ScrollPixelOffset::from(line_height))
1738 .into();
1739 let right = text_hitbox.origin.x
1740 + ((cursor_position.column() as ScrollOffset - scroll_position.x
1741 + 4.)
1742 * ScrollPixelOffset::from(em_width))
1743 .into();
1744
1745 autoscroll_bounds =
1746 Some(Bounds::from_corners(point(left, top), point(right, bottom)))
1747 }
1748 }
1749
1750 let mut cursor = CursorLayout {
1751 color: player_color.cursor,
1752 block_width,
1753 origin: point(x, y),
1754 line_height,
1755 shape: selection.cursor_shape,
1756 block_text,
1757 cursor_name: None,
1758 };
1759 let cursor_name = selection.user_name.clone().map(|name| CursorName {
1760 string: name,
1761 color: self.style.background,
1762 is_top_row: cursor_position.row().0 == 0,
1763 });
1764 cursor.layout(content_origin, cursor_name, window, cx);
1765 cursors.push(cursor);
1766 }
1767 }
1768
1769 cursors
1770 });
1771
1772 if let Some(bounds) = autoscroll_bounds {
1773 window.request_autoscroll(bounds);
1774 }
1775
1776 cursor_layouts
1777 }
1778
1779 fn layout_scrollbars(
1780 &self,
1781 snapshot: &EditorSnapshot,
1782 scrollbar_layout_information: &ScrollbarLayoutInformation,
1783 content_offset: gpui::Point<Pixels>,
1784 scroll_position: gpui::Point<ScrollOffset>,
1785 non_visible_cursors: bool,
1786 right_margin: Pixels,
1787 editor_width: Pixels,
1788 window: &mut Window,
1789 cx: &mut App,
1790 ) -> Option<EditorScrollbars> {
1791 let show_scrollbars = self.editor.read(cx).show_scrollbars;
1792 if (!show_scrollbars.horizontal && !show_scrollbars.vertical)
1793 || self.style.scrollbar_width.is_zero()
1794 {
1795 return None;
1796 }
1797
1798 // If a drag took place after we started dragging the scrollbar,
1799 // cancel the scrollbar drag.
1800 if cx.has_active_drag() {
1801 self.editor.update(cx, |editor, cx| {
1802 editor.scroll_manager.reset_scrollbar_state(cx)
1803 });
1804 }
1805
1806 let editor_settings = EditorSettings::get_global(cx);
1807 let scrollbar_settings = editor_settings.scrollbar;
1808 let show_scrollbars = match scrollbar_settings.show {
1809 ShowScrollbar::Auto => {
1810 let editor = self.editor.read(cx);
1811 let is_singleton = editor.buffer_kind(cx) == ItemBufferKind::Singleton;
1812 // Git
1813 (is_singleton && scrollbar_settings.git_diff && snapshot.buffer_snapshot().has_diff_hunks())
1814 ||
1815 // Buffer Search Results
1816 (is_singleton && scrollbar_settings.search_results && editor.has_background_highlights::<BufferSearchHighlights>())
1817 ||
1818 // Selected Text Occurrences
1819 (is_singleton && scrollbar_settings.selected_text && editor.has_background_highlights::<SelectedTextHighlight>())
1820 ||
1821 // Selected Symbol Occurrences
1822 (is_singleton && scrollbar_settings.selected_symbol && (editor.has_background_highlights::<DocumentHighlightRead>() || editor.has_background_highlights::<DocumentHighlightWrite>()))
1823 ||
1824 // Diagnostics
1825 (is_singleton && scrollbar_settings.diagnostics != ScrollbarDiagnostics::None && snapshot.buffer_snapshot().has_diagnostics())
1826 ||
1827 // Cursors out of sight
1828 non_visible_cursors
1829 ||
1830 // Scrollmanager
1831 editor.scroll_manager.scrollbars_visible()
1832 }
1833 ShowScrollbar::System => self.editor.read(cx).scroll_manager.scrollbars_visible(),
1834 ShowScrollbar::Always => true,
1835 ShowScrollbar::Never => return None,
1836 };
1837
1838 // The horizontal scrollbar is usually slightly offset to align nicely with
1839 // indent guides. However, this offset is not needed if indent guides are
1840 // disabled for the current editor.
1841 let content_offset = self
1842 .editor
1843 .read(cx)
1844 .show_indent_guides
1845 .is_none_or(|should_show| should_show)
1846 .then_some(content_offset)
1847 .unwrap_or_default();
1848
1849 Some(EditorScrollbars::from_scrollbar_axes(
1850 ScrollbarAxes {
1851 horizontal: scrollbar_settings.axes.horizontal
1852 && self.editor.read(cx).show_scrollbars.horizontal,
1853 vertical: scrollbar_settings.axes.vertical
1854 && self.editor.read(cx).show_scrollbars.vertical,
1855 },
1856 scrollbar_layout_information,
1857 content_offset,
1858 scroll_position,
1859 self.style.scrollbar_width,
1860 right_margin,
1861 editor_width,
1862 show_scrollbars,
1863 self.editor.read(cx).scroll_manager.active_scrollbar_state(),
1864 window,
1865 ))
1866 }
1867
1868 fn layout_minimap(
1869 &self,
1870 snapshot: &EditorSnapshot,
1871 minimap_width: Pixels,
1872 scroll_position: gpui::Point<f64>,
1873 scrollbar_layout_information: &ScrollbarLayoutInformation,
1874 scrollbar_layout: Option<&EditorScrollbars>,
1875 window: &mut Window,
1876 cx: &mut App,
1877 ) -> Option<MinimapLayout> {
1878 let minimap_editor = self.editor.read(cx).minimap().cloned()?;
1879
1880 let minimap_settings = EditorSettings::get_global(cx).minimap;
1881
1882 if minimap_settings.on_active_editor() {
1883 let active_editor = self.editor.read(cx).workspace().and_then(|ws| {
1884 ws.read(cx)
1885 .active_pane()
1886 .read(cx)
1887 .active_item()
1888 .and_then(|i| i.act_as::<Editor>(cx))
1889 });
1890 if active_editor.is_some_and(|e| e != self.editor) {
1891 return None;
1892 }
1893 }
1894
1895 if !snapshot.mode.is_full()
1896 || minimap_width.is_zero()
1897 || matches!(
1898 minimap_settings.show,
1899 ShowMinimap::Auto if scrollbar_layout.is_none_or(|layout| !layout.visible)
1900 )
1901 {
1902 return None;
1903 }
1904
1905 const MINIMAP_AXIS: ScrollbarAxis = ScrollbarAxis::Vertical;
1906
1907 let ScrollbarLayoutInformation {
1908 editor_bounds,
1909 scroll_range,
1910 glyph_grid_cell,
1911 } = scrollbar_layout_information;
1912
1913 let line_height = glyph_grid_cell.height;
1914 let scroll_position = scroll_position.along(MINIMAP_AXIS);
1915
1916 let top_right_anchor = scrollbar_layout
1917 .and_then(|layout| layout.vertical.as_ref())
1918 .map(|vertical_scrollbar| vertical_scrollbar.hitbox.origin)
1919 .unwrap_or_else(|| editor_bounds.top_right());
1920
1921 let thumb_state = self
1922 .editor
1923 .read_with(cx, |editor, _| editor.scroll_manager.minimap_thumb_state());
1924
1925 let show_thumb = match minimap_settings.thumb {
1926 MinimapThumb::Always => true,
1927 MinimapThumb::Hover => thumb_state.is_some(),
1928 };
1929
1930 let minimap_bounds = Bounds::from_corner_and_size(
1931 Corner::TopRight,
1932 top_right_anchor,
1933 size(minimap_width, editor_bounds.size.height),
1934 );
1935 let minimap_line_height = self.get_minimap_line_height(
1936 minimap_editor
1937 .read(cx)
1938 .text_style_refinement
1939 .as_ref()
1940 .and_then(|refinement| refinement.font_size)
1941 .unwrap_or(MINIMAP_FONT_SIZE),
1942 window,
1943 cx,
1944 );
1945 let minimap_height = minimap_bounds.size.height;
1946
1947 let visible_editor_lines = (editor_bounds.size.height / line_height) as f64;
1948 let total_editor_lines = (scroll_range.height / line_height) as f64;
1949 let minimap_lines = (minimap_height / minimap_line_height) as f64;
1950
1951 let minimap_scroll_top = MinimapLayout::calculate_minimap_top_offset(
1952 total_editor_lines,
1953 visible_editor_lines,
1954 minimap_lines,
1955 scroll_position,
1956 );
1957
1958 let layout = ScrollbarLayout::for_minimap(
1959 window.insert_hitbox(minimap_bounds, HitboxBehavior::Normal),
1960 visible_editor_lines,
1961 total_editor_lines,
1962 minimap_line_height,
1963 scroll_position,
1964 minimap_scroll_top,
1965 show_thumb,
1966 )
1967 .with_thumb_state(thumb_state);
1968
1969 minimap_editor.update(cx, |editor, cx| {
1970 editor.set_scroll_position(point(0., minimap_scroll_top), window, cx)
1971 });
1972
1973 // Required for the drop shadow to be visible
1974 const PADDING_OFFSET: Pixels = px(4.);
1975
1976 let mut minimap = div()
1977 .size_full()
1978 .shadow_xs()
1979 .px(PADDING_OFFSET)
1980 .child(minimap_editor)
1981 .into_any_element();
1982
1983 let extended_bounds = minimap_bounds.extend(Edges {
1984 right: PADDING_OFFSET,
1985 left: PADDING_OFFSET,
1986 ..Default::default()
1987 });
1988 minimap.layout_as_root(extended_bounds.size.into(), window, cx);
1989 window.with_absolute_element_offset(extended_bounds.origin, |window| {
1990 minimap.prepaint(window, cx)
1991 });
1992
1993 Some(MinimapLayout {
1994 minimap,
1995 thumb_layout: layout,
1996 thumb_border_style: minimap_settings.thumb_border,
1997 minimap_line_height,
1998 minimap_scroll_top,
1999 max_scroll_top: total_editor_lines,
2000 })
2001 }
2002
2003 fn get_minimap_line_height(
2004 &self,
2005 font_size: AbsoluteLength,
2006 window: &mut Window,
2007 cx: &mut App,
2008 ) -> Pixels {
2009 let rem_size = self.rem_size(cx).unwrap_or(window.rem_size());
2010 let mut text_style = self.style.text.clone();
2011 text_style.font_size = font_size;
2012 text_style.line_height_in_pixels(rem_size)
2013 }
2014
2015 fn get_minimap_width(
2016 &self,
2017 minimap_settings: &Minimap,
2018 scrollbars_shown: bool,
2019 text_width: Pixels,
2020 em_width: Pixels,
2021 font_size: Pixels,
2022 rem_size: Pixels,
2023 cx: &App,
2024 ) -> Option<Pixels> {
2025 if minimap_settings.show == ShowMinimap::Auto && !scrollbars_shown {
2026 return None;
2027 }
2028
2029 let minimap_font_size = self.editor.read_with(cx, |editor, cx| {
2030 editor.minimap().map(|minimap_editor| {
2031 minimap_editor
2032 .read(cx)
2033 .text_style_refinement
2034 .as_ref()
2035 .and_then(|refinement| refinement.font_size)
2036 .unwrap_or(MINIMAP_FONT_SIZE)
2037 })
2038 })?;
2039
2040 let minimap_em_width = em_width * (minimap_font_size.to_pixels(rem_size) / font_size);
2041
2042 let minimap_width = (text_width * MinimapLayout::MINIMAP_WIDTH_PCT)
2043 .min(minimap_em_width * minimap_settings.max_width_columns.get() as f32);
2044
2045 (minimap_width >= minimap_em_width * MinimapLayout::MINIMAP_MIN_WIDTH_COLUMNS)
2046 .then_some(minimap_width)
2047 }
2048
2049 fn prepaint_crease_toggles(
2050 &self,
2051 crease_toggles: &mut [Option<AnyElement>],
2052 line_height: Pixels,
2053 gutter_dimensions: &GutterDimensions,
2054 gutter_settings: crate::editor_settings::Gutter,
2055 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2056 gutter_hitbox: &Hitbox,
2057 window: &mut Window,
2058 cx: &mut App,
2059 ) {
2060 for (ix, crease_toggle) in crease_toggles.iter_mut().enumerate() {
2061 if let Some(crease_toggle) = crease_toggle {
2062 debug_assert!(gutter_settings.folds);
2063 let available_space = size(
2064 AvailableSpace::MinContent,
2065 AvailableSpace::Definite(line_height * 0.55),
2066 );
2067 let crease_toggle_size = crease_toggle.layout_as_root(available_space, window, cx);
2068
2069 let position = point(
2070 gutter_dimensions.width - gutter_dimensions.right_padding,
2071 ix as f32 * line_height
2072 - (scroll_pixel_position.y % ScrollPixelOffset::from(line_height)).into(),
2073 );
2074 let centering_offset = point(
2075 (gutter_dimensions.fold_area_width() - crease_toggle_size.width) / 2.,
2076 (line_height - crease_toggle_size.height) / 2.,
2077 );
2078 let origin = gutter_hitbox.origin + position + centering_offset;
2079 crease_toggle.prepaint_as_root(origin, available_space, window, cx);
2080 }
2081 }
2082 }
2083
2084 fn prepaint_expand_toggles(
2085 &self,
2086 expand_toggles: &mut [Option<(AnyElement, gpui::Point<Pixels>)>],
2087 window: &mut Window,
2088 cx: &mut App,
2089 ) {
2090 for (expand_toggle, origin) in expand_toggles.iter_mut().flatten() {
2091 let available_space = size(AvailableSpace::MinContent, AvailableSpace::MinContent);
2092 expand_toggle.layout_as_root(available_space, window, cx);
2093 expand_toggle.prepaint_as_root(*origin, available_space, window, cx);
2094 }
2095 }
2096
2097 fn prepaint_crease_trailers(
2098 &self,
2099 trailers: Vec<Option<AnyElement>>,
2100 lines: &[LineWithInvisibles],
2101 line_height: Pixels,
2102 content_origin: gpui::Point<Pixels>,
2103 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2104 em_width: Pixels,
2105 window: &mut Window,
2106 cx: &mut App,
2107 ) -> Vec<Option<CreaseTrailerLayout>> {
2108 trailers
2109 .into_iter()
2110 .enumerate()
2111 .map(|(ix, element)| {
2112 let mut element = element?;
2113 let available_space = size(
2114 AvailableSpace::MinContent,
2115 AvailableSpace::Definite(line_height),
2116 );
2117 let size = element.layout_as_root(available_space, window, cx);
2118
2119 let line = &lines[ix];
2120 let padding = if line.width == Pixels::ZERO {
2121 Pixels::ZERO
2122 } else {
2123 4. * em_width
2124 };
2125 let position = point(
2126 Pixels::from(scroll_pixel_position.x) + line.width + padding,
2127 ix as f32 * line_height
2128 - (scroll_pixel_position.y % ScrollPixelOffset::from(line_height)).into(),
2129 );
2130 let centering_offset = point(px(0.), (line_height - size.height) / 2.);
2131 let origin = content_origin + position + centering_offset;
2132 element.prepaint_as_root(origin, available_space, window, cx);
2133 Some(CreaseTrailerLayout {
2134 element,
2135 bounds: Bounds::new(origin, size),
2136 })
2137 })
2138 .collect()
2139 }
2140
2141 // Folds contained in a hunk are ignored apart from shrinking visual size
2142 // If a fold contains any hunks then that fold line is marked as modified
2143 fn layout_gutter_diff_hunks(
2144 &self,
2145 line_height: Pixels,
2146 gutter_hitbox: &Hitbox,
2147 display_rows: Range<DisplayRow>,
2148 snapshot: &EditorSnapshot,
2149 window: &mut Window,
2150 cx: &mut App,
2151 ) -> Vec<(DisplayDiffHunk, Option<Hitbox>)> {
2152 let folded_buffers = self.editor.read(cx).folded_buffers(cx);
2153 let mut display_hunks = snapshot
2154 .display_diff_hunks_for_rows(display_rows, folded_buffers)
2155 .map(|hunk| (hunk, None))
2156 .collect::<Vec<_>>();
2157 let git_gutter_setting = ProjectSettings::get_global(cx).git.git_gutter;
2158 if let GitGutterSetting::TrackedFiles = git_gutter_setting {
2159 for (hunk, hitbox) in &mut display_hunks {
2160 if matches!(hunk, DisplayDiffHunk::Unfolded { .. }) {
2161 let hunk_bounds =
2162 Self::diff_hunk_bounds(snapshot, line_height, gutter_hitbox.bounds, hunk);
2163 *hitbox = Some(window.insert_hitbox(hunk_bounds, HitboxBehavior::BlockMouse));
2164 }
2165 }
2166 }
2167
2168 display_hunks
2169 }
2170
2171 fn layout_inline_diagnostics(
2172 &self,
2173 line_layouts: &[LineWithInvisibles],
2174 crease_trailers: &[Option<CreaseTrailerLayout>],
2175 row_block_types: &HashMap<DisplayRow, bool>,
2176 content_origin: gpui::Point<Pixels>,
2177 scroll_position: gpui::Point<ScrollOffset>,
2178 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2179 edit_prediction_popover_origin: Option<gpui::Point<Pixels>>,
2180 start_row: DisplayRow,
2181 end_row: DisplayRow,
2182 line_height: Pixels,
2183 em_width: Pixels,
2184 style: &EditorStyle,
2185 window: &mut Window,
2186 cx: &mut App,
2187 ) -> HashMap<DisplayRow, AnyElement> {
2188 let max_severity = match self
2189 .editor
2190 .read(cx)
2191 .inline_diagnostics_enabled()
2192 .then(|| {
2193 ProjectSettings::get_global(cx)
2194 .diagnostics
2195 .inline
2196 .max_severity
2197 .unwrap_or_else(|| self.editor.read(cx).diagnostics_max_severity)
2198 .into_lsp()
2199 })
2200 .flatten()
2201 {
2202 Some(max_severity) => max_severity,
2203 None => return HashMap::default(),
2204 };
2205
2206 let active_diagnostics_group =
2207 if let ActiveDiagnostic::Group(group) = &self.editor.read(cx).active_diagnostics {
2208 Some(group.group_id)
2209 } else {
2210 None
2211 };
2212
2213 let diagnostics_by_rows = self.editor.update(cx, |editor, cx| {
2214 let snapshot = editor.snapshot(window, cx);
2215 editor
2216 .inline_diagnostics
2217 .iter()
2218 .filter(|(_, diagnostic)| diagnostic.severity <= max_severity)
2219 .filter(|(_, diagnostic)| match active_diagnostics_group {
2220 Some(active_diagnostics_group) => {
2221 // Active diagnostics are all shown in the editor already, no need to display them inline
2222 diagnostic.group_id != active_diagnostics_group
2223 }
2224 None => true,
2225 })
2226 .map(|(point, diag)| (point.to_display_point(&snapshot), diag.clone()))
2227 .skip_while(|(point, _)| point.row() < start_row)
2228 .take_while(|(point, _)| point.row() < end_row)
2229 .filter(|(point, _)| !row_block_types.contains_key(&point.row()))
2230 .fold(HashMap::default(), |mut acc, (point, diagnostic)| {
2231 acc.entry(point.row())
2232 .or_insert_with(Vec::new)
2233 .push(diagnostic);
2234 acc
2235 })
2236 });
2237
2238 if diagnostics_by_rows.is_empty() {
2239 return HashMap::default();
2240 }
2241
2242 let severity_to_color = |sev: &lsp::DiagnosticSeverity| match sev {
2243 &lsp::DiagnosticSeverity::ERROR => Color::Error,
2244 &lsp::DiagnosticSeverity::WARNING => Color::Warning,
2245 &lsp::DiagnosticSeverity::INFORMATION => Color::Info,
2246 &lsp::DiagnosticSeverity::HINT => Color::Hint,
2247 _ => Color::Error,
2248 };
2249
2250 let padding = ProjectSettings::get_global(cx).diagnostics.inline.padding as f32 * em_width;
2251 let min_x = self.column_pixels(
2252 ProjectSettings::get_global(cx)
2253 .diagnostics
2254 .inline
2255 .min_column as usize,
2256 window,
2257 );
2258
2259 let mut elements = HashMap::default();
2260 for (row, mut diagnostics) in diagnostics_by_rows {
2261 diagnostics.sort_by_key(|diagnostic| {
2262 (
2263 diagnostic.severity,
2264 std::cmp::Reverse(diagnostic.is_primary),
2265 diagnostic.start.row,
2266 diagnostic.start.column,
2267 )
2268 });
2269
2270 let Some(diagnostic_to_render) = diagnostics
2271 .iter()
2272 .find(|diagnostic| diagnostic.is_primary)
2273 .or_else(|| diagnostics.first())
2274 else {
2275 continue;
2276 };
2277
2278 let pos_y = content_origin.y + line_height * (row.0 as f64 - scroll_position.y) as f32;
2279
2280 let window_ix = row.0.saturating_sub(start_row.0) as usize;
2281 let pos_x = {
2282 let crease_trailer_layout = &crease_trailers[window_ix];
2283 let line_layout = &line_layouts[window_ix];
2284
2285 let line_end = if let Some(crease_trailer) = crease_trailer_layout {
2286 crease_trailer.bounds.right()
2287 } else {
2288 Pixels::from(
2289 ScrollPixelOffset::from(content_origin.x + line_layout.width)
2290 - scroll_pixel_position.x,
2291 )
2292 };
2293
2294 let padded_line = line_end + padding;
2295 let min_start = Pixels::from(
2296 ScrollPixelOffset::from(content_origin.x + min_x) - scroll_pixel_position.x,
2297 );
2298
2299 cmp::max(padded_line, min_start)
2300 };
2301
2302 let behind_edit_prediction_popover = edit_prediction_popover_origin
2303 .as_ref()
2304 .is_some_and(|edit_prediction_popover_origin| {
2305 (pos_y..pos_y + line_height).contains(&edit_prediction_popover_origin.y)
2306 });
2307 let opacity = if behind_edit_prediction_popover {
2308 0.5
2309 } else {
2310 1.0
2311 };
2312
2313 let mut element = h_flex()
2314 .id(("diagnostic", row.0))
2315 .h(line_height)
2316 .w_full()
2317 .px_1()
2318 .rounded_xs()
2319 .opacity(opacity)
2320 .bg(severity_to_color(&diagnostic_to_render.severity)
2321 .color(cx)
2322 .opacity(0.05))
2323 .text_color(severity_to_color(&diagnostic_to_render.severity).color(cx))
2324 .text_sm()
2325 .font_family(style.text.font().family)
2326 .child(diagnostic_to_render.message.clone())
2327 .into_any();
2328
2329 element.prepaint_as_root(point(pos_x, pos_y), AvailableSpace::min_size(), window, cx);
2330
2331 elements.insert(row, element);
2332 }
2333
2334 elements
2335 }
2336
2337 fn layout_inline_code_actions(
2338 &self,
2339 display_point: DisplayPoint,
2340 content_origin: gpui::Point<Pixels>,
2341 scroll_position: gpui::Point<ScrollOffset>,
2342 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2343 line_height: Pixels,
2344 snapshot: &EditorSnapshot,
2345 window: &mut Window,
2346 cx: &mut App,
2347 ) -> Option<AnyElement> {
2348 if !snapshot
2349 .show_code_actions
2350 .unwrap_or(EditorSettings::get_global(cx).inline_code_actions)
2351 {
2352 return None;
2353 }
2354
2355 let icon_size = ui::IconSize::XSmall;
2356 let mut button = self.editor.update(cx, |editor, cx| {
2357 editor.available_code_actions.as_ref()?;
2358 let active = editor
2359 .context_menu
2360 .borrow()
2361 .as_ref()
2362 .and_then(|menu| {
2363 if let crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2364 deployed_from,
2365 ..
2366 }) = menu
2367 {
2368 deployed_from.as_ref()
2369 } else {
2370 None
2371 }
2372 })
2373 .is_some_and(|source| matches!(source, CodeActionSource::Indicator(..)));
2374 Some(editor.render_inline_code_actions(icon_size, display_point.row(), active, cx))
2375 })?;
2376
2377 let buffer_point = display_point.to_point(&snapshot.display_snapshot);
2378
2379 // do not show code action for folded line
2380 if snapshot.is_line_folded(MultiBufferRow(buffer_point.row)) {
2381 return None;
2382 }
2383
2384 // do not show code action for blank line with cursor
2385 let line_indent = snapshot
2386 .display_snapshot
2387 .buffer_snapshot()
2388 .line_indent_for_row(MultiBufferRow(buffer_point.row));
2389 if line_indent.is_line_blank() {
2390 return None;
2391 }
2392
2393 const INLINE_SLOT_CHAR_LIMIT: u32 = 4;
2394 const MAX_ALTERNATE_DISTANCE: u32 = 8;
2395
2396 let excerpt_id = snapshot
2397 .display_snapshot
2398 .buffer_snapshot()
2399 .excerpt_containing(buffer_point..buffer_point)
2400 .map(|excerpt| excerpt.id());
2401
2402 let is_valid_row = |row_candidate: u32| -> bool {
2403 // move to other row if folded row
2404 if snapshot.is_line_folded(MultiBufferRow(row_candidate)) {
2405 return false;
2406 }
2407 if buffer_point.row == row_candidate {
2408 // move to other row if cursor is in slot
2409 if buffer_point.column < INLINE_SLOT_CHAR_LIMIT {
2410 return false;
2411 }
2412 } else {
2413 let candidate_point = MultiBufferPoint {
2414 row: row_candidate,
2415 column: 0,
2416 };
2417 let candidate_excerpt_id = snapshot
2418 .display_snapshot
2419 .buffer_snapshot()
2420 .excerpt_containing(candidate_point..candidate_point)
2421 .map(|excerpt| excerpt.id());
2422 // move to other row if different excerpt
2423 if excerpt_id != candidate_excerpt_id {
2424 return false;
2425 }
2426 }
2427 let line_indent = snapshot
2428 .display_snapshot
2429 .buffer_snapshot()
2430 .line_indent_for_row(MultiBufferRow(row_candidate));
2431 // use this row if it's blank
2432 if line_indent.is_line_blank() {
2433 true
2434 } else {
2435 // use this row if code starts after slot
2436 let indent_size = snapshot
2437 .display_snapshot
2438 .buffer_snapshot()
2439 .indent_size_for_line(MultiBufferRow(row_candidate));
2440 indent_size.len >= INLINE_SLOT_CHAR_LIMIT
2441 }
2442 };
2443
2444 let new_buffer_row = if is_valid_row(buffer_point.row) {
2445 Some(buffer_point.row)
2446 } else {
2447 let max_row = snapshot.display_snapshot.buffer_snapshot().max_point().row;
2448 (1..=MAX_ALTERNATE_DISTANCE).find_map(|offset| {
2449 let row_above = buffer_point.row.saturating_sub(offset);
2450 let row_below = buffer_point.row + offset;
2451 if row_above != buffer_point.row && is_valid_row(row_above) {
2452 Some(row_above)
2453 } else if row_below <= max_row && is_valid_row(row_below) {
2454 Some(row_below)
2455 } else {
2456 None
2457 }
2458 })
2459 }?;
2460
2461 let new_display_row = snapshot
2462 .display_snapshot
2463 .point_to_display_point(
2464 Point {
2465 row: new_buffer_row,
2466 column: buffer_point.column,
2467 },
2468 text::Bias::Left,
2469 )
2470 .row();
2471
2472 let start_y = content_origin.y
2473 + (((new_display_row.as_f64() - scroll_position.y) as f32) * line_height)
2474 + (line_height / 2.0)
2475 - (icon_size.square(window, cx) / 2.);
2476 let start_x = (ScrollPixelOffset::from(content_origin.x) - scroll_pixel_position.x
2477 + ScrollPixelOffset::from(window.rem_size() * 0.1))
2478 .into();
2479
2480 let absolute_offset = gpui::point(start_x, start_y);
2481 button.layout_as_root(gpui::AvailableSpace::min_size(), window, cx);
2482 button.prepaint_as_root(
2483 absolute_offset,
2484 gpui::AvailableSpace::min_size(),
2485 window,
2486 cx,
2487 );
2488 Some(button)
2489 }
2490
2491 fn layout_inline_blame(
2492 &self,
2493 display_row: DisplayRow,
2494 row_info: &RowInfo,
2495 line_layout: &LineWithInvisibles,
2496 crease_trailer: Option<&CreaseTrailerLayout>,
2497 em_width: Pixels,
2498 content_origin: gpui::Point<Pixels>,
2499 scroll_position: gpui::Point<ScrollOffset>,
2500 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2501 line_height: Pixels,
2502 text_hitbox: &Hitbox,
2503 window: &mut Window,
2504 cx: &mut App,
2505 ) -> Option<InlineBlameLayout> {
2506 if !self
2507 .editor
2508 .update(cx, |editor, cx| editor.render_git_blame_inline(window, cx))
2509 {
2510 return None;
2511 }
2512
2513 let editor = self.editor.read(cx);
2514 let blame = editor.blame.clone()?;
2515 let padding = {
2516 const INLINE_ACCEPT_SUGGESTION_EM_WIDTHS: f32 = 14.;
2517
2518 let mut padding = ProjectSettings::get_global(cx).git.inline_blame.padding as f32;
2519
2520 if let Some(edit_prediction) = editor.active_edit_prediction.as_ref()
2521 && let EditPrediction::Edit {
2522 display_mode: EditDisplayMode::TabAccept,
2523 ..
2524 } = &edit_prediction.completion
2525 {
2526 padding += INLINE_ACCEPT_SUGGESTION_EM_WIDTHS
2527 }
2528
2529 padding * em_width
2530 };
2531
2532 let (buffer_id, entry) = blame
2533 .update(cx, |blame, cx| {
2534 blame.blame_for_rows(&[*row_info], cx).next()
2535 })
2536 .flatten()?;
2537
2538 let mut element = render_inline_blame_entry(entry.clone(), &self.style, cx)?;
2539
2540 let start_y =
2541 content_origin.y + line_height * ((display_row.as_f64() - scroll_position.y) as f32);
2542
2543 let start_x = {
2544 let line_end = if let Some(crease_trailer) = crease_trailer {
2545 crease_trailer.bounds.right()
2546 } else {
2547 Pixels::from(
2548 ScrollPixelOffset::from(content_origin.x + line_layout.width)
2549 - scroll_pixel_position.x,
2550 )
2551 };
2552
2553 let padded_line_end = line_end + padding;
2554
2555 let min_column_in_pixels = self.column_pixels(
2556 ProjectSettings::get_global(cx).git.inline_blame.min_column as usize,
2557 window,
2558 );
2559 let min_start = Pixels::from(
2560 ScrollPixelOffset::from(content_origin.x + min_column_in_pixels)
2561 - scroll_pixel_position.x,
2562 );
2563
2564 cmp::max(padded_line_end, min_start)
2565 };
2566
2567 let absolute_offset = point(start_x, start_y);
2568 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2569 let bounds = Bounds::new(absolute_offset, size);
2570
2571 self.layout_blame_entry_popover(
2572 entry.clone(),
2573 blame,
2574 line_height,
2575 text_hitbox,
2576 row_info.buffer_id?,
2577 window,
2578 cx,
2579 );
2580
2581 element.prepaint_as_root(absolute_offset, AvailableSpace::min_size(), window, cx);
2582
2583 Some(InlineBlameLayout {
2584 element,
2585 bounds,
2586 buffer_id,
2587 entry,
2588 })
2589 }
2590
2591 fn layout_blame_entry_popover(
2592 &self,
2593 blame_entry: BlameEntry,
2594 blame: Entity<GitBlame>,
2595 line_height: Pixels,
2596 text_hitbox: &Hitbox,
2597 buffer: BufferId,
2598 window: &mut Window,
2599 cx: &mut App,
2600 ) {
2601 let Some((popover_state, target_point)) = self.editor.read_with(cx, |editor, _| {
2602 editor
2603 .inline_blame_popover
2604 .as_ref()
2605 .map(|state| (state.popover_state.clone(), state.position))
2606 }) else {
2607 return;
2608 };
2609
2610 let workspace = self
2611 .editor
2612 .read_with(cx, |editor, _| editor.workspace().map(|w| w.downgrade()));
2613
2614 let maybe_element = workspace.and_then(|workspace| {
2615 render_blame_entry_popover(
2616 blame_entry,
2617 popover_state.scroll_handle,
2618 popover_state.commit_message,
2619 popover_state.markdown,
2620 workspace,
2621 &blame,
2622 buffer,
2623 window,
2624 cx,
2625 )
2626 });
2627
2628 if let Some(mut element) = maybe_element {
2629 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2630 let overall_height = size.height + HOVER_POPOVER_GAP;
2631 let popover_origin = if target_point.y > overall_height {
2632 point(target_point.x, target_point.y - size.height)
2633 } else {
2634 point(
2635 target_point.x,
2636 target_point.y + line_height + HOVER_POPOVER_GAP,
2637 )
2638 };
2639
2640 let horizontal_offset = (text_hitbox.top_right().x
2641 - POPOVER_RIGHT_OFFSET
2642 - (popover_origin.x + size.width))
2643 .min(Pixels::ZERO);
2644
2645 let origin = point(popover_origin.x + horizontal_offset, popover_origin.y);
2646 let popover_bounds = Bounds::new(origin, size);
2647
2648 self.editor.update(cx, |editor, _| {
2649 if let Some(state) = &mut editor.inline_blame_popover {
2650 state.popover_bounds = Some(popover_bounds);
2651 }
2652 });
2653
2654 window.defer_draw(element, origin, 2);
2655 }
2656 }
2657
2658 fn layout_blame_entries(
2659 &self,
2660 buffer_rows: &[RowInfo],
2661 em_width: Pixels,
2662 scroll_position: gpui::Point<ScrollOffset>,
2663 line_height: Pixels,
2664 gutter_hitbox: &Hitbox,
2665 max_width: Option<Pixels>,
2666 window: &mut Window,
2667 cx: &mut App,
2668 ) -> Option<Vec<AnyElement>> {
2669 if !self
2670 .editor
2671 .update(cx, |editor, cx| editor.render_git_blame_gutter(cx))
2672 {
2673 return None;
2674 }
2675
2676 let blame = self.editor.read(cx).blame.clone()?;
2677 let workspace = self.editor.read(cx).workspace()?;
2678 let blamed_rows: Vec<_> = blame.update(cx, |blame, cx| {
2679 blame.blame_for_rows(buffer_rows, cx).collect()
2680 });
2681
2682 let width = if let Some(max_width) = max_width {
2683 AvailableSpace::Definite(max_width)
2684 } else {
2685 AvailableSpace::MaxContent
2686 };
2687 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
2688 let start_x = em_width;
2689
2690 let mut last_used_color: Option<(Hsla, Oid)> = None;
2691 let blame_renderer = cx.global::<GlobalBlameRenderer>().0.clone();
2692
2693 let shaped_lines = blamed_rows
2694 .into_iter()
2695 .enumerate()
2696 .flat_map(|(ix, blame_entry)| {
2697 let (buffer_id, blame_entry) = blame_entry?;
2698 let mut element = render_blame_entry(
2699 ix,
2700 &blame,
2701 blame_entry,
2702 &self.style,
2703 &mut last_used_color,
2704 self.editor.clone(),
2705 workspace.clone(),
2706 buffer_id,
2707 &*blame_renderer,
2708 window,
2709 cx,
2710 )?;
2711
2712 let start_y = ix as f32 * line_height
2713 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height));
2714 let absolute_offset = gutter_hitbox.origin + point(start_x, start_y);
2715
2716 element.prepaint_as_root(
2717 absolute_offset,
2718 size(width, AvailableSpace::MinContent),
2719 window,
2720 cx,
2721 );
2722
2723 Some(element)
2724 })
2725 .collect();
2726
2727 Some(shaped_lines)
2728 }
2729
2730 fn layout_indent_guides(
2731 &self,
2732 content_origin: gpui::Point<Pixels>,
2733 text_origin: gpui::Point<Pixels>,
2734 visible_buffer_range: Range<MultiBufferRow>,
2735 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2736 line_height: Pixels,
2737 snapshot: &DisplaySnapshot,
2738 window: &mut Window,
2739 cx: &mut App,
2740 ) -> Option<Vec<IndentGuideLayout>> {
2741 let indent_guides = self.editor.update(cx, |editor, cx| {
2742 editor.indent_guides(visible_buffer_range, snapshot, cx)
2743 })?;
2744
2745 let active_indent_guide_indices = self.editor.update(cx, |editor, cx| {
2746 editor
2747 .find_active_indent_guide_indices(&indent_guides, snapshot, window, cx)
2748 .unwrap_or_default()
2749 });
2750
2751 Some(
2752 indent_guides
2753 .into_iter()
2754 .enumerate()
2755 .filter_map(|(i, indent_guide)| {
2756 let single_indent_width =
2757 self.column_pixels(indent_guide.tab_size as usize, window);
2758 let total_width = single_indent_width * indent_guide.depth as f32;
2759 let start_x = Pixels::from(
2760 ScrollOffset::from(content_origin.x + total_width)
2761 - scroll_pixel_position.x,
2762 );
2763 if start_x >= text_origin.x {
2764 let (offset_y, length) = Self::calculate_indent_guide_bounds(
2765 indent_guide.start_row..indent_guide.end_row,
2766 line_height,
2767 snapshot,
2768 );
2769
2770 let start_y = Pixels::from(
2771 ScrollOffset::from(content_origin.y) + offset_y
2772 - scroll_pixel_position.y,
2773 );
2774
2775 Some(IndentGuideLayout {
2776 origin: point(start_x, start_y),
2777 length,
2778 single_indent_width,
2779 depth: indent_guide.depth,
2780 active: active_indent_guide_indices.contains(&i),
2781 settings: indent_guide.settings,
2782 })
2783 } else {
2784 None
2785 }
2786 })
2787 .collect(),
2788 )
2789 }
2790
2791 fn layout_wrap_guides(
2792 &self,
2793 em_advance: Pixels,
2794 scroll_position: gpui::Point<f64>,
2795 content_origin: gpui::Point<Pixels>,
2796 scrollbar_layout: Option<&EditorScrollbars>,
2797 vertical_scrollbar_width: Pixels,
2798 hitbox: &Hitbox,
2799 window: &Window,
2800 cx: &App,
2801 ) -> SmallVec<[(Pixels, bool); 2]> {
2802 let scroll_left = scroll_position.x as f32 * em_advance;
2803 let content_origin = content_origin.x;
2804 let horizontal_offset = content_origin - scroll_left;
2805 let vertical_scrollbar_width = scrollbar_layout
2806 .and_then(|layout| layout.visible.then_some(vertical_scrollbar_width))
2807 .unwrap_or_default();
2808
2809 self.editor
2810 .read(cx)
2811 .wrap_guides(cx)
2812 .into_iter()
2813 .flat_map(|(guide, active)| {
2814 let wrap_position = self.column_pixels(guide, window);
2815 let wrap_guide_x = wrap_position + horizontal_offset;
2816 let display_wrap_guide = wrap_guide_x >= content_origin
2817 && wrap_guide_x <= hitbox.bounds.right() - vertical_scrollbar_width;
2818
2819 display_wrap_guide.then_some((wrap_guide_x, active))
2820 })
2821 .collect()
2822 }
2823
2824 fn calculate_indent_guide_bounds(
2825 row_range: Range<MultiBufferRow>,
2826 line_height: Pixels,
2827 snapshot: &DisplaySnapshot,
2828 ) -> (f64, gpui::Pixels) {
2829 let start_point = Point::new(row_range.start.0, 0);
2830 let end_point = Point::new(row_range.end.0, 0);
2831
2832 let row_range = start_point.to_display_point(snapshot).row()
2833 ..end_point.to_display_point(snapshot).row();
2834
2835 let mut prev_line = start_point;
2836 prev_line.row = prev_line.row.saturating_sub(1);
2837 let prev_line = prev_line.to_display_point(snapshot).row();
2838
2839 let mut cons_line = end_point;
2840 cons_line.row += 1;
2841 let cons_line = cons_line.to_display_point(snapshot).row();
2842
2843 let mut offset_y = row_range.start.as_f64() * f64::from(line_height);
2844 let mut length = (cons_line.0.saturating_sub(row_range.start.0)) as f32 * line_height;
2845
2846 // If we are at the end of the buffer, ensure that the indent guide extends to the end of the line.
2847 if row_range.end == cons_line {
2848 length += line_height;
2849 }
2850
2851 // If there is a block (e.g. diagnostic) in between the start of the indent guide and the line above,
2852 // we want to extend the indent guide to the start of the block.
2853 let mut block_height = 0;
2854 let mut block_offset = 0;
2855 let mut found_excerpt_header = false;
2856 for (_, block) in snapshot.blocks_in_range(prev_line..row_range.start) {
2857 if matches!(
2858 block,
2859 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
2860 ) {
2861 found_excerpt_header = true;
2862 break;
2863 }
2864 block_offset += block.height();
2865 block_height += block.height();
2866 }
2867 if !found_excerpt_header {
2868 offset_y -= block_offset as f64 * f64::from(line_height);
2869 length += block_height as f32 * line_height;
2870 }
2871
2872 // If there is a block (e.g. diagnostic) at the end of an multibuffer excerpt,
2873 // we want to ensure that the indent guide stops before the excerpt header.
2874 let mut block_height = 0;
2875 let mut found_excerpt_header = false;
2876 for (_, block) in snapshot.blocks_in_range(row_range.end..cons_line) {
2877 if matches!(
2878 block,
2879 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
2880 ) {
2881 found_excerpt_header = true;
2882 }
2883 block_height += block.height();
2884 }
2885 if found_excerpt_header {
2886 length -= block_height as f32 * line_height;
2887 }
2888
2889 (offset_y, length)
2890 }
2891
2892 fn layout_breakpoints(
2893 &self,
2894 line_height: Pixels,
2895 range: Range<DisplayRow>,
2896 scroll_position: gpui::Point<ScrollOffset>,
2897 gutter_dimensions: &GutterDimensions,
2898 gutter_hitbox: &Hitbox,
2899 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2900 snapshot: &EditorSnapshot,
2901 breakpoints: HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2902 row_infos: &[RowInfo],
2903 window: &mut Window,
2904 cx: &mut App,
2905 ) -> Vec<AnyElement> {
2906 self.editor.update(cx, |editor, cx| {
2907 breakpoints
2908 .into_iter()
2909 .filter_map(|(display_row, (text_anchor, bp, state))| {
2910 if row_infos
2911 .get((display_row.0.saturating_sub(range.start.0)) as usize)
2912 .is_some_and(|row_info| {
2913 row_info.expand_info.is_some()
2914 || row_info
2915 .diff_status
2916 .is_some_and(|status| status.is_deleted())
2917 })
2918 {
2919 return None;
2920 }
2921
2922 if range.start > display_row || range.end < display_row {
2923 return None;
2924 }
2925
2926 let row =
2927 MultiBufferRow(DisplayPoint::new(display_row, 0).to_point(snapshot).row);
2928 if snapshot.is_line_folded(row) {
2929 return None;
2930 }
2931
2932 let button = editor.render_breakpoint(text_anchor, display_row, &bp, state, cx);
2933
2934 let button = prepaint_gutter_button(
2935 button,
2936 display_row,
2937 line_height,
2938 gutter_dimensions,
2939 scroll_position,
2940 gutter_hitbox,
2941 display_hunks,
2942 window,
2943 cx,
2944 );
2945 Some(button)
2946 })
2947 .collect_vec()
2948 })
2949 }
2950
2951 #[allow(clippy::too_many_arguments)]
2952 fn layout_run_indicators(
2953 &self,
2954 line_height: Pixels,
2955 range: Range<DisplayRow>,
2956 row_infos: &[RowInfo],
2957 scroll_position: gpui::Point<ScrollOffset>,
2958 gutter_dimensions: &GutterDimensions,
2959 gutter_hitbox: &Hitbox,
2960 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2961 snapshot: &EditorSnapshot,
2962 breakpoints: &mut HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2963 window: &mut Window,
2964 cx: &mut App,
2965 ) -> Vec<AnyElement> {
2966 self.editor.update(cx, |editor, cx| {
2967 let active_task_indicator_row =
2968 // TODO: add edit button on the right side of each row in the context menu
2969 if let Some(crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2970 deployed_from,
2971 actions,
2972 ..
2973 })) = editor.context_menu.borrow().as_ref()
2974 {
2975 actions
2976 .tasks()
2977 .map(|tasks| tasks.position.to_display_point(snapshot).row())
2978 .or_else(|| match deployed_from {
2979 Some(CodeActionSource::Indicator(row)) => Some(*row),
2980 _ => None,
2981 })
2982 } else {
2983 None
2984 };
2985
2986 let offset_range_start =
2987 snapshot.display_point_to_point(DisplayPoint::new(range.start, 0), Bias::Left);
2988
2989 let offset_range_end =
2990 snapshot.display_point_to_point(DisplayPoint::new(range.end, 0), Bias::Right);
2991
2992 editor
2993 .tasks
2994 .iter()
2995 .filter_map(|(_, tasks)| {
2996 let multibuffer_point = tasks.offset.to_point(&snapshot.buffer_snapshot());
2997 if multibuffer_point < offset_range_start
2998 || multibuffer_point > offset_range_end
2999 {
3000 return None;
3001 }
3002 let multibuffer_row = MultiBufferRow(multibuffer_point.row);
3003 let buffer_folded = snapshot
3004 .buffer_snapshot()
3005 .buffer_line_for_row(multibuffer_row)
3006 .map(|(buffer_snapshot, _)| buffer_snapshot.remote_id())
3007 .map(|buffer_id| editor.is_buffer_folded(buffer_id, cx))
3008 .unwrap_or(false);
3009 if buffer_folded {
3010 return None;
3011 }
3012
3013 if snapshot.is_line_folded(multibuffer_row) {
3014 // Skip folded indicators, unless it's the starting line of a fold.
3015 if multibuffer_row
3016 .0
3017 .checked_sub(1)
3018 .is_some_and(|previous_row| {
3019 snapshot.is_line_folded(MultiBufferRow(previous_row))
3020 })
3021 {
3022 return None;
3023 }
3024 }
3025
3026 let display_row = multibuffer_point.to_display_point(snapshot).row();
3027 if !range.contains(&display_row) {
3028 return None;
3029 }
3030 if row_infos
3031 .get((display_row - range.start).0 as usize)
3032 .is_some_and(|row_info| row_info.expand_info.is_some())
3033 {
3034 return None;
3035 }
3036
3037 let button = editor.render_run_indicator(
3038 &self.style,
3039 Some(display_row) == active_task_indicator_row,
3040 display_row,
3041 breakpoints.remove(&display_row),
3042 cx,
3043 );
3044
3045 let button = prepaint_gutter_button(
3046 button,
3047 display_row,
3048 line_height,
3049 gutter_dimensions,
3050 scroll_position,
3051 gutter_hitbox,
3052 display_hunks,
3053 window,
3054 cx,
3055 );
3056 Some(button)
3057 })
3058 .collect_vec()
3059 })
3060 }
3061
3062 fn layout_expand_toggles(
3063 &self,
3064 gutter_hitbox: &Hitbox,
3065 gutter_dimensions: GutterDimensions,
3066 em_width: Pixels,
3067 line_height: Pixels,
3068 scroll_position: gpui::Point<ScrollOffset>,
3069 buffer_rows: &[RowInfo],
3070 window: &mut Window,
3071 cx: &mut App,
3072 ) -> Vec<Option<(AnyElement, gpui::Point<Pixels>)>> {
3073 if self.editor.read(cx).disable_expand_excerpt_buttons {
3074 return vec![];
3075 }
3076
3077 let editor_font_size = self.style.text.font_size.to_pixels(window.rem_size()) * 1.2;
3078
3079 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
3080
3081 let max_line_number_length = self
3082 .editor
3083 .read(cx)
3084 .buffer()
3085 .read(cx)
3086 .snapshot(cx)
3087 .widest_line_number()
3088 .ilog10()
3089 + 1;
3090
3091 let git_gutter_width = Self::gutter_strip_width(line_height)
3092 + gutter_dimensions
3093 .git_blame_entries_width
3094 .unwrap_or_default();
3095 let available_width = gutter_dimensions.left_padding - git_gutter_width;
3096
3097 buffer_rows
3098 .iter()
3099 .enumerate()
3100 .map(|(ix, row_info)| {
3101 let ExpandInfo {
3102 excerpt_id,
3103 direction,
3104 } = row_info.expand_info?;
3105
3106 let icon_name = match direction {
3107 ExpandExcerptDirection::Up => IconName::ExpandUp,
3108 ExpandExcerptDirection::Down => IconName::ExpandDown,
3109 ExpandExcerptDirection::UpAndDown => IconName::ExpandVertical,
3110 };
3111
3112 let editor = self.editor.clone();
3113 let is_wide = max_line_number_length
3114 >= EditorSettings::get_global(cx).gutter.min_line_number_digits as u32
3115 && row_info
3116 .buffer_row
3117 .is_some_and(|row| (row + 1).ilog10() + 1 == max_line_number_length)
3118 || gutter_dimensions.right_padding == px(0.);
3119
3120 let width = if is_wide {
3121 available_width - px(2.)
3122 } else {
3123 available_width + em_width - px(2.)
3124 };
3125
3126 let toggle = IconButton::new(("expand", ix), icon_name)
3127 .icon_color(Color::Custom(cx.theme().colors().editor_line_number))
3128 .selected_icon_color(Color::Custom(cx.theme().colors().editor_foreground))
3129 .icon_size(IconSize::Custom(rems(editor_font_size / window.rem_size())))
3130 .width(width)
3131 .on_click(move |_, window, cx| {
3132 editor.update(cx, |editor, cx| {
3133 editor.expand_excerpt(excerpt_id, direction, window, cx);
3134 });
3135 })
3136 .tooltip(Tooltip::for_action_title(
3137 "Expand Excerpt",
3138 &crate::actions::ExpandExcerpts::default(),
3139 ))
3140 .into_any_element();
3141
3142 let position = point(
3143 git_gutter_width + px(1.),
3144 ix as f32 * line_height
3145 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height))
3146 + px(1.),
3147 );
3148 let origin = gutter_hitbox.origin + position;
3149
3150 Some((toggle, origin))
3151 })
3152 .collect()
3153 }
3154
3155 fn calculate_relative_line_numbers(
3156 &self,
3157 snapshot: &EditorSnapshot,
3158 rows: &Range<DisplayRow>,
3159 relative_to: Option<DisplayRow>,
3160 ) -> HashMap<DisplayRow, DisplayRowDelta> {
3161 let mut relative_rows: HashMap<DisplayRow, DisplayRowDelta> = Default::default();
3162 let Some(relative_to) = relative_to else {
3163 return relative_rows;
3164 };
3165
3166 let start = rows.start.min(relative_to);
3167 let end = rows.end.max(relative_to);
3168
3169 let buffer_rows = snapshot
3170 .row_infos(start)
3171 .take(1 + end.minus(start) as usize)
3172 .collect::<Vec<_>>();
3173
3174 let head_idx = relative_to.minus(start);
3175 let mut delta = 1;
3176 let mut i = head_idx + 1;
3177 while i < buffer_rows.len() as u32 {
3178 if buffer_rows[i as usize].buffer_row.is_some() {
3179 if rows.contains(&DisplayRow(i + start.0)) {
3180 relative_rows.insert(DisplayRow(i + start.0), delta);
3181 }
3182 delta += 1;
3183 }
3184 i += 1;
3185 }
3186 delta = 1;
3187 i = head_idx.min(buffer_rows.len().saturating_sub(1) as u32);
3188 while i > 0 && buffer_rows[i as usize].buffer_row.is_none() {
3189 i -= 1;
3190 }
3191
3192 while i > 0 {
3193 i -= 1;
3194 if buffer_rows[i as usize].buffer_row.is_some() {
3195 if rows.contains(&DisplayRow(i + start.0)) {
3196 relative_rows.insert(DisplayRow(i + start.0), delta);
3197 }
3198 delta += 1;
3199 }
3200 }
3201
3202 relative_rows
3203 }
3204
3205 fn layout_line_numbers(
3206 &self,
3207 gutter_hitbox: Option<&Hitbox>,
3208 gutter_dimensions: GutterDimensions,
3209 line_height: Pixels,
3210 scroll_position: gpui::Point<ScrollOffset>,
3211 rows: Range<DisplayRow>,
3212 buffer_rows: &[RowInfo],
3213 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3214 newest_selection_head: Option<DisplayPoint>,
3215 snapshot: &EditorSnapshot,
3216 window: &mut Window,
3217 cx: &mut App,
3218 ) -> Arc<HashMap<MultiBufferRow, LineNumberLayout>> {
3219 let include_line_numbers = snapshot
3220 .show_line_numbers
3221 .unwrap_or_else(|| EditorSettings::get_global(cx).gutter.line_numbers);
3222 if !include_line_numbers {
3223 return Arc::default();
3224 }
3225
3226 let (newest_selection_head, is_relative) = self.editor.update(cx, |editor, cx| {
3227 let newest_selection_head = newest_selection_head.unwrap_or_else(|| {
3228 let newest = editor
3229 .selections
3230 .newest::<Point>(&editor.display_snapshot(cx));
3231 SelectionLayout::new(
3232 newest,
3233 editor.selections.line_mode(),
3234 editor.cursor_shape,
3235 &snapshot.display_snapshot,
3236 true,
3237 true,
3238 None,
3239 )
3240 .head
3241 });
3242 let is_relative = editor.should_use_relative_line_numbers(cx);
3243 (newest_selection_head, is_relative)
3244 });
3245
3246 let relative_to = if is_relative {
3247 Some(newest_selection_head.row())
3248 } else {
3249 None
3250 };
3251 let relative_rows = self.calculate_relative_line_numbers(snapshot, &rows, relative_to);
3252 let mut line_number = String::new();
3253 let line_numbers = buffer_rows
3254 .iter()
3255 .enumerate()
3256 .flat_map(|(ix, row_info)| {
3257 let display_row = DisplayRow(rows.start.0 + ix as u32);
3258 line_number.clear();
3259 let non_relative_number = row_info.buffer_row? + 1;
3260 let number = relative_rows
3261 .get(&display_row)
3262 .unwrap_or(&non_relative_number);
3263 write!(&mut line_number, "{number}").unwrap();
3264 if row_info
3265 .diff_status
3266 .is_some_and(|status| status.is_deleted())
3267 {
3268 return None;
3269 }
3270
3271 let color = active_rows
3272 .get(&display_row)
3273 .map(|spec| {
3274 if spec.breakpoint {
3275 cx.theme().colors().debugger_accent
3276 } else {
3277 cx.theme().colors().editor_active_line_number
3278 }
3279 })
3280 .unwrap_or_else(|| cx.theme().colors().editor_line_number);
3281 let shaped_line =
3282 self.shape_line_number(SharedString::from(&line_number), color, window);
3283 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
3284 let line_origin = gutter_hitbox.map(|hitbox| {
3285 hitbox.origin
3286 + point(
3287 hitbox.size.width - shaped_line.width - gutter_dimensions.right_padding,
3288 ix as f32 * line_height
3289 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height)),
3290 )
3291 });
3292
3293 #[cfg(not(test))]
3294 let hitbox = line_origin.map(|line_origin| {
3295 window.insert_hitbox(
3296 Bounds::new(line_origin, size(shaped_line.width, line_height)),
3297 HitboxBehavior::Normal,
3298 )
3299 });
3300 #[cfg(test)]
3301 let hitbox = {
3302 let _ = line_origin;
3303 None
3304 };
3305
3306 let multi_buffer_row = DisplayPoint::new(display_row, 0).to_point(snapshot).row;
3307 let multi_buffer_row = MultiBufferRow(multi_buffer_row);
3308 let line_number = LineNumberLayout {
3309 shaped_line,
3310 hitbox,
3311 };
3312 Some((multi_buffer_row, line_number))
3313 })
3314 .collect();
3315 Arc::new(line_numbers)
3316 }
3317
3318 fn layout_crease_toggles(
3319 &self,
3320 rows: Range<DisplayRow>,
3321 row_infos: &[RowInfo],
3322 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3323 snapshot: &EditorSnapshot,
3324 window: &mut Window,
3325 cx: &mut App,
3326 ) -> Vec<Option<AnyElement>> {
3327 let include_fold_statuses = EditorSettings::get_global(cx).gutter.folds
3328 && snapshot.mode.is_full()
3329 && self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
3330 if include_fold_statuses {
3331 row_infos
3332 .iter()
3333 .enumerate()
3334 .map(|(ix, info)| {
3335 if info.expand_info.is_some() {
3336 return None;
3337 }
3338 let row = info.multibuffer_row?;
3339 let display_row = DisplayRow(rows.start.0 + ix as u32);
3340 let active = active_rows.contains_key(&display_row);
3341
3342 snapshot.render_crease_toggle(row, active, self.editor.clone(), window, cx)
3343 })
3344 .collect()
3345 } else {
3346 Vec::new()
3347 }
3348 }
3349
3350 fn layout_crease_trailers(
3351 &self,
3352 buffer_rows: impl IntoIterator<Item = RowInfo>,
3353 snapshot: &EditorSnapshot,
3354 window: &mut Window,
3355 cx: &mut App,
3356 ) -> Vec<Option<AnyElement>> {
3357 buffer_rows
3358 .into_iter()
3359 .map(|row_info| {
3360 if row_info.expand_info.is_some() {
3361 return None;
3362 }
3363 if let Some(row) = row_info.multibuffer_row {
3364 snapshot.render_crease_trailer(row, window, cx)
3365 } else {
3366 None
3367 }
3368 })
3369 .collect()
3370 }
3371
3372 fn bg_segments_per_row(
3373 rows: Range<DisplayRow>,
3374 selections: &[(PlayerColor, Vec<SelectionLayout>)],
3375 highlight_ranges: &[(Range<DisplayPoint>, Hsla)],
3376 base_background: Hsla,
3377 ) -> Vec<Vec<(Range<DisplayPoint>, Hsla)>> {
3378 if rows.start >= rows.end {
3379 return Vec::new();
3380 }
3381 if !base_background.is_opaque() {
3382 // We don't actually know what color is behind this editor.
3383 return Vec::new();
3384 }
3385 let highlight_iter = highlight_ranges.iter().cloned();
3386 let selection_iter = selections.iter().flat_map(|(player_color, layouts)| {
3387 let color = player_color.selection;
3388 layouts.iter().filter_map(move |selection_layout| {
3389 if selection_layout.range.start != selection_layout.range.end {
3390 Some((selection_layout.range.clone(), color))
3391 } else {
3392 None
3393 }
3394 })
3395 });
3396 let mut per_row_map = vec![Vec::new(); rows.len()];
3397 for (range, color) in highlight_iter.chain(selection_iter) {
3398 let covered_rows = if range.end.column() == 0 {
3399 cmp::max(range.start.row(), rows.start)..cmp::min(range.end.row(), rows.end)
3400 } else {
3401 cmp::max(range.start.row(), rows.start)
3402 ..cmp::min(range.end.row().next_row(), rows.end)
3403 };
3404 for row in covered_rows.iter_rows() {
3405 let seg_start = if row == range.start.row() {
3406 range.start
3407 } else {
3408 DisplayPoint::new(row, 0)
3409 };
3410 let seg_end = if row == range.end.row() && range.end.column() != 0 {
3411 range.end
3412 } else {
3413 DisplayPoint::new(row, u32::MAX)
3414 };
3415 let ix = row.minus(rows.start) as usize;
3416 debug_assert!(row >= rows.start && row < rows.end);
3417 debug_assert!(ix < per_row_map.len());
3418 per_row_map[ix].push((seg_start..seg_end, color));
3419 }
3420 }
3421 for row_segments in per_row_map.iter_mut() {
3422 if row_segments.is_empty() {
3423 continue;
3424 }
3425 let segments = mem::take(row_segments);
3426 let merged = Self::merge_overlapping_ranges(segments, base_background);
3427 *row_segments = merged;
3428 }
3429 per_row_map
3430 }
3431
3432 /// Merge overlapping ranges by splitting at all range boundaries and blending colors where
3433 /// multiple ranges overlap. The result contains non-overlapping ranges ordered from left to right.
3434 ///
3435 /// Expects `start.row() == end.row()` for each range.
3436 fn merge_overlapping_ranges(
3437 ranges: Vec<(Range<DisplayPoint>, Hsla)>,
3438 base_background: Hsla,
3439 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
3440 struct Boundary {
3441 pos: DisplayPoint,
3442 is_start: bool,
3443 index: usize,
3444 color: Hsla,
3445 }
3446
3447 let mut boundaries: SmallVec<[Boundary; 16]> = SmallVec::with_capacity(ranges.len() * 2);
3448 for (index, (range, color)) in ranges.iter().enumerate() {
3449 debug_assert!(
3450 range.start.row() == range.end.row(),
3451 "expects single-row ranges"
3452 );
3453 if range.start < range.end {
3454 boundaries.push(Boundary {
3455 pos: range.start,
3456 is_start: true,
3457 index,
3458 color: *color,
3459 });
3460 boundaries.push(Boundary {
3461 pos: range.end,
3462 is_start: false,
3463 index,
3464 color: *color,
3465 });
3466 }
3467 }
3468
3469 if boundaries.is_empty() {
3470 return Vec::new();
3471 }
3472
3473 boundaries
3474 .sort_unstable_by(|a, b| a.pos.cmp(&b.pos).then_with(|| a.is_start.cmp(&b.is_start)));
3475
3476 let mut processed_ranges: Vec<(Range<DisplayPoint>, Hsla)> = Vec::new();
3477 let mut active_ranges: SmallVec<[(usize, Hsla); 8]> = SmallVec::new();
3478
3479 let mut i = 0;
3480 let mut start_pos = boundaries[0].pos;
3481
3482 let boundaries_len = boundaries.len();
3483 while i < boundaries_len {
3484 let current_boundary_pos = boundaries[i].pos;
3485 if start_pos < current_boundary_pos {
3486 if !active_ranges.is_empty() {
3487 let mut color = base_background;
3488 for &(_, c) in &active_ranges {
3489 color = Hsla::blend(color, c);
3490 }
3491 if let Some((last_range, last_color)) = processed_ranges.last_mut() {
3492 if *last_color == color && last_range.end == start_pos {
3493 last_range.end = current_boundary_pos;
3494 } else {
3495 processed_ranges.push((start_pos..current_boundary_pos, color));
3496 }
3497 } else {
3498 processed_ranges.push((start_pos..current_boundary_pos, color));
3499 }
3500 }
3501 }
3502 while i < boundaries_len && boundaries[i].pos == current_boundary_pos {
3503 let active_range = &boundaries[i];
3504 if active_range.is_start {
3505 let idx = active_range.index;
3506 let pos = active_ranges
3507 .binary_search_by_key(&idx, |(i, _)| *i)
3508 .unwrap_or_else(|p| p);
3509 active_ranges.insert(pos, (idx, active_range.color));
3510 } else {
3511 let idx = active_range.index;
3512 if let Ok(pos) = active_ranges.binary_search_by_key(&idx, |(i, _)| *i) {
3513 active_ranges.remove(pos);
3514 }
3515 }
3516 i += 1;
3517 }
3518 start_pos = current_boundary_pos;
3519 }
3520
3521 processed_ranges
3522 }
3523
3524 fn layout_lines(
3525 rows: Range<DisplayRow>,
3526 snapshot: &EditorSnapshot,
3527 style: &EditorStyle,
3528 editor_width: Pixels,
3529 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3530 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
3531 window: &mut Window,
3532 cx: &mut App,
3533 ) -> Vec<LineWithInvisibles> {
3534 if rows.start >= rows.end {
3535 return Vec::new();
3536 }
3537
3538 // Show the placeholder when the editor is empty
3539 if snapshot.is_empty() {
3540 let font_size = style.text.font_size.to_pixels(window.rem_size());
3541 let placeholder_color = cx.theme().colors().text_placeholder;
3542 let placeholder_text = snapshot.placeholder_text();
3543
3544 let placeholder_lines = placeholder_text
3545 .as_ref()
3546 .map_or(Vec::new(), |text| text.split('\n').collect::<Vec<_>>());
3547
3548 let placeholder_line_count = placeholder_lines.len();
3549
3550 placeholder_lines
3551 .into_iter()
3552 .skip(rows.start.0 as usize)
3553 .chain(iter::repeat(""))
3554 .take(cmp::max(rows.len(), placeholder_line_count))
3555 .map(move |line| {
3556 let run = TextRun {
3557 len: line.len(),
3558 font: style.text.font(),
3559 color: placeholder_color,
3560 background_color: None,
3561 underline: None,
3562 strikethrough: None,
3563 };
3564 let line = window.text_system().shape_line(
3565 line.to_string().into(),
3566 font_size,
3567 &[run],
3568 None,
3569 );
3570 LineWithInvisibles {
3571 width: line.width,
3572 len: line.len,
3573 fragments: smallvec![LineFragment::Text(line)],
3574 invisibles: Vec::new(),
3575 font_size,
3576 }
3577 })
3578 .collect()
3579 } else {
3580 let chunks = snapshot.highlighted_chunks(rows.clone(), true, style);
3581 LineWithInvisibles::from_chunks(
3582 chunks,
3583 style,
3584 MAX_LINE_LEN,
3585 rows.len(),
3586 &snapshot.mode,
3587 editor_width,
3588 is_row_soft_wrapped,
3589 bg_segments_per_row,
3590 window,
3591 cx,
3592 )
3593 }
3594 }
3595
3596 fn prepaint_lines(
3597 &self,
3598 start_row: DisplayRow,
3599 line_layouts: &mut [LineWithInvisibles],
3600 line_height: Pixels,
3601 scroll_position: gpui::Point<ScrollOffset>,
3602 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
3603 content_origin: gpui::Point<Pixels>,
3604 window: &mut Window,
3605 cx: &mut App,
3606 ) -> SmallVec<[AnyElement; 1]> {
3607 let mut line_elements = SmallVec::new();
3608 for (ix, line) in line_layouts.iter_mut().enumerate() {
3609 let row = start_row + DisplayRow(ix as u32);
3610 line.prepaint(
3611 line_height,
3612 scroll_position,
3613 scroll_pixel_position,
3614 row,
3615 content_origin,
3616 &mut line_elements,
3617 window,
3618 cx,
3619 );
3620 }
3621 line_elements
3622 }
3623
3624 fn render_block(
3625 &self,
3626 block: &Block,
3627 available_width: AvailableSpace,
3628 block_id: BlockId,
3629 block_row_start: DisplayRow,
3630 snapshot: &EditorSnapshot,
3631 text_x: Pixels,
3632 rows: &Range<DisplayRow>,
3633 line_layouts: &[LineWithInvisibles],
3634 editor_margins: &EditorMargins,
3635 line_height: Pixels,
3636 em_width: Pixels,
3637 text_hitbox: &Hitbox,
3638 editor_width: Pixels,
3639 scroll_width: &mut Pixels,
3640 resized_blocks: &mut HashMap<CustomBlockId, u32>,
3641 row_block_types: &mut HashMap<DisplayRow, bool>,
3642 selections: &[Selection<Point>],
3643 selected_buffer_ids: &Vec<BufferId>,
3644 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3645 sticky_header_excerpt_id: Option<ExcerptId>,
3646 window: &mut Window,
3647 cx: &mut App,
3648 ) -> Option<(AnyElement, Size<Pixels>, DisplayRow, Pixels)> {
3649 let mut x_position = None;
3650 let mut element = match block {
3651 Block::Custom(custom) => {
3652 let block_start = custom.start().to_point(&snapshot.buffer_snapshot());
3653 let block_end = custom.end().to_point(&snapshot.buffer_snapshot());
3654 if block.place_near() && snapshot.is_line_folded(MultiBufferRow(block_start.row)) {
3655 return None;
3656 }
3657 let align_to = block_start.to_display_point(snapshot);
3658 let x_and_width = |layout: &LineWithInvisibles| {
3659 Some((
3660 text_x + layout.x_for_index(align_to.column() as usize),
3661 text_x + layout.width,
3662 ))
3663 };
3664 let line_ix = align_to.row().0.checked_sub(rows.start.0);
3665 x_position =
3666 if let Some(layout) = line_ix.and_then(|ix| line_layouts.get(ix as usize)) {
3667 x_and_width(layout)
3668 } else {
3669 x_and_width(&layout_line(
3670 align_to.row(),
3671 snapshot,
3672 &self.style,
3673 editor_width,
3674 is_row_soft_wrapped,
3675 window,
3676 cx,
3677 ))
3678 };
3679
3680 let anchor_x = x_position.unwrap().0;
3681
3682 let selected = selections
3683 .binary_search_by(|selection| {
3684 if selection.end <= block_start {
3685 Ordering::Less
3686 } else if selection.start >= block_end {
3687 Ordering::Greater
3688 } else {
3689 Ordering::Equal
3690 }
3691 })
3692 .is_ok();
3693
3694 div()
3695 .size_full()
3696 .child(custom.render(&mut BlockContext {
3697 window,
3698 app: cx,
3699 anchor_x,
3700 margins: editor_margins,
3701 line_height,
3702 em_width,
3703 block_id,
3704 selected,
3705 max_width: text_hitbox.size.width.max(*scroll_width),
3706 editor_style: &self.style,
3707 }))
3708 .into_any()
3709 }
3710
3711 Block::FoldedBuffer {
3712 first_excerpt,
3713 height,
3714 ..
3715 } => {
3716 let selected = selected_buffer_ids.contains(&first_excerpt.buffer_id);
3717 let result = v_flex().id(block_id).w_full().pr(editor_margins.right);
3718
3719 let jump_data = header_jump_data(snapshot, block_row_start, *height, first_excerpt);
3720 result
3721 .child(self.render_buffer_header(
3722 first_excerpt,
3723 true,
3724 selected,
3725 false,
3726 jump_data,
3727 window,
3728 cx,
3729 ))
3730 .into_any_element()
3731 }
3732
3733 Block::ExcerptBoundary { .. } => {
3734 let color = cx.theme().colors().clone();
3735 let mut result = v_flex().id(block_id).w_full();
3736
3737 result = result.child(
3738 h_flex().relative().child(
3739 div()
3740 .top(line_height / 2.)
3741 .absolute()
3742 .w_full()
3743 .h_px()
3744 .bg(color.border_variant),
3745 ),
3746 );
3747
3748 result.into_any()
3749 }
3750
3751 Block::BufferHeader { excerpt, height } => {
3752 let mut result = v_flex().id(block_id).w_full();
3753
3754 let jump_data = header_jump_data(snapshot, block_row_start, *height, excerpt);
3755
3756 if sticky_header_excerpt_id != Some(excerpt.id) {
3757 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
3758
3759 result = result.child(div().pr(editor_margins.right).child(
3760 self.render_buffer_header(
3761 excerpt, false, selected, false, jump_data, window, cx,
3762 ),
3763 ));
3764 } else {
3765 result =
3766 result.child(div().h(FILE_HEADER_HEIGHT as f32 * window.line_height()));
3767 }
3768
3769 result.into_any()
3770 }
3771 };
3772
3773 // Discover the element's content height, then round up to the nearest multiple of line height.
3774 let preliminary_size = element.layout_as_root(
3775 size(available_width, AvailableSpace::MinContent),
3776 window,
3777 cx,
3778 );
3779 let quantized_height = (preliminary_size.height / line_height).ceil() * line_height;
3780 let final_size = if preliminary_size.height == quantized_height {
3781 preliminary_size
3782 } else {
3783 element.layout_as_root(size(available_width, quantized_height.into()), window, cx)
3784 };
3785 let mut element_height_in_lines = ((final_size.height / line_height).ceil() as u32).max(1);
3786
3787 let mut row = block_row_start;
3788 let mut x_offset = px(0.);
3789 let mut is_block = true;
3790
3791 if let BlockId::Custom(custom_block_id) = block_id
3792 && block.has_height()
3793 {
3794 if block.place_near()
3795 && let Some((x_target, line_width)) = x_position
3796 {
3797 let margin = em_width * 2;
3798 if line_width + final_size.width + margin
3799 < editor_width + editor_margins.gutter.full_width()
3800 && !row_block_types.contains_key(&(row - 1))
3801 && element_height_in_lines == 1
3802 {
3803 x_offset = line_width + margin;
3804 row = row - 1;
3805 is_block = false;
3806 element_height_in_lines = 0;
3807 row_block_types.insert(row, is_block);
3808 } else {
3809 let max_offset =
3810 editor_width + editor_margins.gutter.full_width() - final_size.width;
3811 let min_offset = (x_target + em_width - final_size.width)
3812 .max(editor_margins.gutter.full_width());
3813 x_offset = x_target.min(max_offset).max(min_offset);
3814 }
3815 };
3816 if element_height_in_lines != block.height() {
3817 resized_blocks.insert(custom_block_id, element_height_in_lines);
3818 }
3819 }
3820 for i in 0..element_height_in_lines {
3821 row_block_types.insert(row + i, is_block);
3822 }
3823
3824 Some((element, final_size, row, x_offset))
3825 }
3826
3827 fn render_buffer_header(
3828 &self,
3829 for_excerpt: &ExcerptInfo,
3830 is_folded: bool,
3831 is_selected: bool,
3832 is_sticky: bool,
3833 jump_data: JumpData,
3834 window: &mut Window,
3835 cx: &mut App,
3836 ) -> impl IntoElement {
3837 let editor = self.editor.read(cx);
3838 let multi_buffer = editor.buffer.read(cx);
3839 let file_status = multi_buffer
3840 .all_diff_hunks_expanded()
3841 .then(|| editor.status_for_buffer_id(for_excerpt.buffer_id, cx))
3842 .flatten();
3843 let indicator = multi_buffer
3844 .buffer(for_excerpt.buffer_id)
3845 .and_then(|buffer| {
3846 let buffer = buffer.read(cx);
3847 let indicator_color = match (buffer.has_conflict(), buffer.is_dirty()) {
3848 (true, _) => Some(Color::Warning),
3849 (_, true) => Some(Color::Accent),
3850 (false, false) => None,
3851 };
3852 indicator_color.map(|indicator_color| Indicator::dot().color(indicator_color))
3853 });
3854
3855 let include_root = editor
3856 .project
3857 .as_ref()
3858 .map(|project| project.read(cx).visible_worktrees(cx).count() > 1)
3859 .unwrap_or_default();
3860 let file = for_excerpt.buffer.file();
3861 let can_open_excerpts = Editor::can_open_excerpts_in_file(file);
3862 let path_style = file.map(|file| file.path_style(cx));
3863 let relative_path = for_excerpt.buffer.resolve_file_path(include_root, cx);
3864 let (parent_path, filename) = if let Some(path) = &relative_path {
3865 if let Some(path_style) = path_style {
3866 let (dir, file_name) = path_style.split(path);
3867 (dir.map(|dir| dir.to_owned()), Some(file_name.to_owned()))
3868 } else {
3869 (None, Some(path.clone()))
3870 }
3871 } else {
3872 (None, None)
3873 };
3874 let focus_handle = editor.focus_handle(cx);
3875 let colors = cx.theme().colors();
3876
3877 let header = div()
3878 .p_1()
3879 .w_full()
3880 .h(FILE_HEADER_HEIGHT as f32 * window.line_height())
3881 .child(
3882 h_flex()
3883 .size_full()
3884 .gap_2()
3885 .flex_basis(Length::Definite(DefiniteLength::Fraction(0.667)))
3886 .pl_0p5()
3887 .pr_5()
3888 .rounded_sm()
3889 .when(is_sticky, |el| el.shadow_md())
3890 .border_1()
3891 .map(|div| {
3892 let border_color = if is_selected
3893 && is_folded
3894 && focus_handle.contains_focused(window, cx)
3895 {
3896 colors.border_focused
3897 } else {
3898 colors.border
3899 };
3900 div.border_color(border_color)
3901 })
3902 .bg(colors.editor_subheader_background)
3903 .hover(|style| style.bg(colors.element_hover))
3904 .map(|header| {
3905 let editor = self.editor.clone();
3906 let buffer_id = for_excerpt.buffer_id;
3907 let toggle_chevron_icon =
3908 FileIcons::get_chevron_icon(!is_folded, cx).map(Icon::from_path);
3909 header.child(
3910 div()
3911 .hover(|style| style.bg(colors.element_selected))
3912 .rounded_xs()
3913 .child(
3914 ButtonLike::new("toggle-buffer-fold")
3915 .style(ui::ButtonStyle::Transparent)
3916 .height(px(28.).into())
3917 .width(px(28.))
3918 .children(toggle_chevron_icon)
3919 .tooltip({
3920 let focus_handle = focus_handle.clone();
3921 move |_window, cx| {
3922 Tooltip::with_meta_in(
3923 "Toggle Excerpt Fold",
3924 Some(&ToggleFold),
3925 format!(
3926 "{} to toggle all",
3927 text_for_keystroke(
3928 &Modifiers::alt(),
3929 "click",
3930 cx
3931 )
3932 ),
3933 &focus_handle,
3934 cx,
3935 )
3936 }
3937 })
3938 .on_click(move |event, window, cx| {
3939 if event.modifiers().alt {
3940 // Alt+click toggles all buffers
3941 editor.update(cx, |editor, cx| {
3942 editor.toggle_fold_all(
3943 &ToggleFoldAll,
3944 window,
3945 cx,
3946 );
3947 });
3948 } else {
3949 // Regular click toggles single buffer
3950 if is_folded {
3951 editor.update(cx, |editor, cx| {
3952 editor.unfold_buffer(buffer_id, cx);
3953 });
3954 } else {
3955 editor.update(cx, |editor, cx| {
3956 editor.fold_buffer(buffer_id, cx);
3957 });
3958 }
3959 }
3960 }),
3961 ),
3962 )
3963 })
3964 .children(
3965 editor
3966 .addons
3967 .values()
3968 .filter_map(|addon| {
3969 addon.render_buffer_header_controls(for_excerpt, window, cx)
3970 })
3971 .take(1),
3972 )
3973 .child(h_flex().size(px(12.0)).justify_center().children(indicator))
3974 .child(
3975 h_flex()
3976 .cursor_pointer()
3977 .id("path header block")
3978 .size_full()
3979 .justify_between()
3980 .overflow_hidden()
3981 .child(
3982 h_flex()
3983 .gap_2()
3984 .map(|path_header| {
3985 let filename = filename
3986 .map(SharedString::from)
3987 .unwrap_or_else(|| "untitled".into());
3988
3989 path_header
3990 .when(ItemSettings::get_global(cx).file_icons, |el| {
3991 let path = path::Path::new(filename.as_str());
3992 let icon = FileIcons::get_icon(path, cx)
3993 .unwrap_or_default();
3994 let icon =
3995 Icon::from_path(icon).color(Color::Muted);
3996 el.child(icon)
3997 })
3998 .child(Label::new(filename).single_line().when_some(
3999 file_status,
4000 |el, status| {
4001 el.color(if status.is_conflicted() {
4002 Color::Conflict
4003 } else if status.is_modified() {
4004 Color::Modified
4005 } else if status.is_deleted() {
4006 Color::Disabled
4007 } else {
4008 Color::Created
4009 })
4010 .when(status.is_deleted(), |el| {
4011 el.strikethrough()
4012 })
4013 },
4014 ))
4015 })
4016 .when_some(parent_path, |then, path| {
4017 then.child(div().child(path).text_color(
4018 if file_status.is_some_and(FileStatus::is_deleted) {
4019 colors.text_disabled
4020 } else {
4021 colors.text_muted
4022 },
4023 ))
4024 }),
4025 )
4026 .when(
4027 can_open_excerpts && is_selected && relative_path.is_some(),
4028 |el| {
4029 el.child(
4030 h_flex()
4031 .id("jump-to-file-button")
4032 .gap_2p5()
4033 .child(Label::new("Jump To File"))
4034 .child(KeyBinding::for_action_in(
4035 &OpenExcerpts,
4036 &focus_handle,
4037 cx,
4038 )),
4039 )
4040 },
4041 )
4042 .on_mouse_down(MouseButton::Left, |_, _, cx| cx.stop_propagation())
4043 .on_click(window.listener_for(&self.editor, {
4044 move |editor, e: &ClickEvent, window, cx| {
4045 editor.open_excerpts_common(
4046 Some(jump_data.clone()),
4047 e.modifiers().secondary(),
4048 window,
4049 cx,
4050 );
4051 }
4052 })),
4053 ),
4054 );
4055
4056 let file = for_excerpt.buffer.file().cloned();
4057 let editor = self.editor.clone();
4058 right_click_menu("buffer-header-context-menu")
4059 .trigger(move |_, _, _| header)
4060 .menu(move |window, cx| {
4061 let menu_context = focus_handle.clone();
4062 let editor = editor.clone();
4063 let file = file.clone();
4064 ContextMenu::build(window, cx, move |mut menu, window, cx| {
4065 if let Some(file) = file
4066 && let Some(project) = editor.read(cx).project()
4067 && let Some(worktree) =
4068 project.read(cx).worktree_for_id(file.worktree_id(cx), cx)
4069 {
4070 let path_style = file.path_style(cx);
4071 let worktree = worktree.read(cx);
4072 let relative_path = file.path();
4073 let entry_for_path = worktree.entry_for_path(relative_path);
4074 let abs_path = entry_for_path.map(|e| {
4075 e.canonical_path.as_deref().map_or_else(
4076 || worktree.absolutize(relative_path),
4077 Path::to_path_buf,
4078 )
4079 });
4080 let has_relative_path = worktree.root_entry().is_some_and(Entry::is_dir);
4081
4082 let parent_abs_path = abs_path
4083 .as_ref()
4084 .and_then(|abs_path| Some(abs_path.parent()?.to_path_buf()));
4085 let relative_path = has_relative_path
4086 .then_some(relative_path)
4087 .map(ToOwned::to_owned);
4088
4089 let visible_in_project_panel =
4090 relative_path.is_some() && worktree.is_visible();
4091 let reveal_in_project_panel = entry_for_path
4092 .filter(|_| visible_in_project_panel)
4093 .map(|entry| entry.id);
4094 menu = menu
4095 .when_some(abs_path, |menu, abs_path| {
4096 menu.entry(
4097 "Copy Path",
4098 Some(Box::new(zed_actions::workspace::CopyPath)),
4099 window.handler_for(&editor, move |_, _, cx| {
4100 cx.write_to_clipboard(ClipboardItem::new_string(
4101 abs_path.to_string_lossy().into_owned(),
4102 ));
4103 }),
4104 )
4105 })
4106 .when_some(relative_path, |menu, relative_path| {
4107 menu.entry(
4108 "Copy Relative Path",
4109 Some(Box::new(zed_actions::workspace::CopyRelativePath)),
4110 window.handler_for(&editor, move |_, _, cx| {
4111 cx.write_to_clipboard(ClipboardItem::new_string(
4112 relative_path.display(path_style).to_string(),
4113 ));
4114 }),
4115 )
4116 })
4117 .when(
4118 reveal_in_project_panel.is_some() || parent_abs_path.is_some(),
4119 |menu| menu.separator(),
4120 )
4121 .when_some(reveal_in_project_panel, |menu, entry_id| {
4122 menu.entry(
4123 "Reveal In Project Panel",
4124 Some(Box::new(RevealInProjectPanel::default())),
4125 window.handler_for(&editor, move |editor, _, cx| {
4126 if let Some(project) = &mut editor.project {
4127 project.update(cx, |_, cx| {
4128 cx.emit(project::Event::RevealInProjectPanel(
4129 entry_id,
4130 ))
4131 });
4132 }
4133 }),
4134 )
4135 })
4136 .when_some(parent_abs_path, |menu, parent_abs_path| {
4137 menu.entry(
4138 "Open in Terminal",
4139 Some(Box::new(OpenInTerminal)),
4140 window.handler_for(&editor, move |_, window, cx| {
4141 window.dispatch_action(
4142 OpenTerminal {
4143 working_directory: parent_abs_path.clone(),
4144 }
4145 .boxed_clone(),
4146 cx,
4147 );
4148 }),
4149 )
4150 });
4151 }
4152
4153 menu.context(menu_context)
4154 })
4155 })
4156 }
4157
4158 fn render_blocks(
4159 &self,
4160 rows: Range<DisplayRow>,
4161 snapshot: &EditorSnapshot,
4162 hitbox: &Hitbox,
4163 text_hitbox: &Hitbox,
4164 editor_width: Pixels,
4165 scroll_width: &mut Pixels,
4166 editor_margins: &EditorMargins,
4167 em_width: Pixels,
4168 text_x: Pixels,
4169 line_height: Pixels,
4170 line_layouts: &mut [LineWithInvisibles],
4171 selections: &[Selection<Point>],
4172 selected_buffer_ids: &Vec<BufferId>,
4173 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
4174 sticky_header_excerpt_id: Option<ExcerptId>,
4175 window: &mut Window,
4176 cx: &mut App,
4177 ) -> Result<(Vec<BlockLayout>, HashMap<DisplayRow, bool>), HashMap<CustomBlockId, u32>> {
4178 let (fixed_blocks, non_fixed_blocks) = snapshot
4179 .blocks_in_range(rows.clone())
4180 .partition::<Vec<_>, _>(|(_, block)| block.style() == BlockStyle::Fixed);
4181
4182 let mut focused_block = self
4183 .editor
4184 .update(cx, |editor, _| editor.take_focused_block());
4185 let mut fixed_block_max_width = Pixels::ZERO;
4186 let mut blocks = Vec::new();
4187 let mut resized_blocks = HashMap::default();
4188 let mut row_block_types = HashMap::default();
4189
4190 for (row, block) in fixed_blocks {
4191 let block_id = block.id();
4192
4193 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4194 focused_block = None;
4195 }
4196
4197 if let Some((element, element_size, row, x_offset)) = self.render_block(
4198 block,
4199 AvailableSpace::MinContent,
4200 block_id,
4201 row,
4202 snapshot,
4203 text_x,
4204 &rows,
4205 line_layouts,
4206 editor_margins,
4207 line_height,
4208 em_width,
4209 text_hitbox,
4210 editor_width,
4211 scroll_width,
4212 &mut resized_blocks,
4213 &mut row_block_types,
4214 selections,
4215 selected_buffer_ids,
4216 is_row_soft_wrapped,
4217 sticky_header_excerpt_id,
4218 window,
4219 cx,
4220 ) {
4221 fixed_block_max_width = fixed_block_max_width.max(element_size.width + em_width);
4222 blocks.push(BlockLayout {
4223 id: block_id,
4224 x_offset,
4225 row: Some(row),
4226 element,
4227 available_space: size(AvailableSpace::MinContent, element_size.height.into()),
4228 style: BlockStyle::Fixed,
4229 overlaps_gutter: true,
4230 is_buffer_header: block.is_buffer_header(),
4231 });
4232 }
4233 }
4234
4235 for (row, block) in non_fixed_blocks {
4236 let style = block.style();
4237 let width = match (style, block.place_near()) {
4238 (_, true) => AvailableSpace::MinContent,
4239 (BlockStyle::Sticky, _) => hitbox.size.width.into(),
4240 (BlockStyle::Flex, _) => hitbox
4241 .size
4242 .width
4243 .max(fixed_block_max_width)
4244 .max(editor_margins.gutter.width + *scroll_width)
4245 .into(),
4246 (BlockStyle::Fixed, _) => unreachable!(),
4247 };
4248 let block_id = block.id();
4249
4250 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4251 focused_block = None;
4252 }
4253
4254 if let Some((element, element_size, row, x_offset)) = self.render_block(
4255 block,
4256 width,
4257 block_id,
4258 row,
4259 snapshot,
4260 text_x,
4261 &rows,
4262 line_layouts,
4263 editor_margins,
4264 line_height,
4265 em_width,
4266 text_hitbox,
4267 editor_width,
4268 scroll_width,
4269 &mut resized_blocks,
4270 &mut row_block_types,
4271 selections,
4272 selected_buffer_ids,
4273 is_row_soft_wrapped,
4274 sticky_header_excerpt_id,
4275 window,
4276 cx,
4277 ) {
4278 blocks.push(BlockLayout {
4279 id: block_id,
4280 x_offset,
4281 row: Some(row),
4282 element,
4283 available_space: size(width, element_size.height.into()),
4284 style,
4285 overlaps_gutter: !block.place_near(),
4286 is_buffer_header: block.is_buffer_header(),
4287 });
4288 }
4289 }
4290
4291 if let Some(focused_block) = focused_block
4292 && let Some(focus_handle) = focused_block.focus_handle.upgrade()
4293 && focus_handle.is_focused(window)
4294 && let Some(block) = snapshot.block_for_id(focused_block.id)
4295 {
4296 let style = block.style();
4297 let width = match style {
4298 BlockStyle::Fixed => AvailableSpace::MinContent,
4299 BlockStyle::Flex => AvailableSpace::Definite(
4300 hitbox
4301 .size
4302 .width
4303 .max(fixed_block_max_width)
4304 .max(editor_margins.gutter.width + *scroll_width),
4305 ),
4306 BlockStyle::Sticky => AvailableSpace::Definite(hitbox.size.width),
4307 };
4308
4309 if let Some((element, element_size, _, x_offset)) = self.render_block(
4310 &block,
4311 width,
4312 focused_block.id,
4313 rows.end,
4314 snapshot,
4315 text_x,
4316 &rows,
4317 line_layouts,
4318 editor_margins,
4319 line_height,
4320 em_width,
4321 text_hitbox,
4322 editor_width,
4323 scroll_width,
4324 &mut resized_blocks,
4325 &mut row_block_types,
4326 selections,
4327 selected_buffer_ids,
4328 is_row_soft_wrapped,
4329 sticky_header_excerpt_id,
4330 window,
4331 cx,
4332 ) {
4333 blocks.push(BlockLayout {
4334 id: block.id(),
4335 x_offset,
4336 row: None,
4337 element,
4338 available_space: size(width, element_size.height.into()),
4339 style,
4340 overlaps_gutter: true,
4341 is_buffer_header: block.is_buffer_header(),
4342 });
4343 }
4344 }
4345
4346 if resized_blocks.is_empty() {
4347 *scroll_width =
4348 (*scroll_width).max(fixed_block_max_width - editor_margins.gutter.width);
4349 Ok((blocks, row_block_types))
4350 } else {
4351 Err(resized_blocks)
4352 }
4353 }
4354
4355 fn layout_blocks(
4356 &self,
4357 blocks: &mut Vec<BlockLayout>,
4358 hitbox: &Hitbox,
4359 line_height: Pixels,
4360 scroll_position: gpui::Point<ScrollOffset>,
4361 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4362 window: &mut Window,
4363 cx: &mut App,
4364 ) {
4365 for block in blocks {
4366 let mut origin = if let Some(row) = block.row {
4367 hitbox.origin
4368 + point(
4369 block.x_offset,
4370 Pixels::from(
4371 (row.as_f64() - scroll_position.y)
4372 * ScrollPixelOffset::from(line_height),
4373 ),
4374 )
4375 } else {
4376 // Position the block outside the visible area
4377 hitbox.origin + point(Pixels::ZERO, hitbox.size.height)
4378 };
4379
4380 if !matches!(block.style, BlockStyle::Sticky) {
4381 origin += point(Pixels::from(-scroll_pixel_position.x), Pixels::ZERO);
4382 }
4383
4384 let focus_handle =
4385 block
4386 .element
4387 .prepaint_as_root(origin, block.available_space, window, cx);
4388
4389 if let Some(focus_handle) = focus_handle {
4390 self.editor.update(cx, |editor, _cx| {
4391 editor.set_focused_block(FocusedBlock {
4392 id: block.id,
4393 focus_handle: focus_handle.downgrade(),
4394 });
4395 });
4396 }
4397 }
4398 }
4399
4400 fn layout_sticky_buffer_header(
4401 &self,
4402 StickyHeaderExcerpt { excerpt }: StickyHeaderExcerpt<'_>,
4403 scroll_position: gpui::Point<ScrollOffset>,
4404 line_height: Pixels,
4405 right_margin: Pixels,
4406 snapshot: &EditorSnapshot,
4407 hitbox: &Hitbox,
4408 selected_buffer_ids: &Vec<BufferId>,
4409 blocks: &[BlockLayout],
4410 window: &mut Window,
4411 cx: &mut App,
4412 ) -> AnyElement {
4413 let jump_data = header_jump_data(
4414 snapshot,
4415 DisplayRow(scroll_position.y as u32),
4416 FILE_HEADER_HEIGHT + MULTI_BUFFER_EXCERPT_HEADER_HEIGHT,
4417 excerpt,
4418 );
4419
4420 let editor_bg_color = cx.theme().colors().editor_background;
4421
4422 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
4423
4424 let available_width = hitbox.bounds.size.width - right_margin;
4425
4426 let mut header = v_flex()
4427 .w_full()
4428 .relative()
4429 .child(
4430 div()
4431 .w(available_width)
4432 .h(FILE_HEADER_HEIGHT as f32 * line_height)
4433 .bg(linear_gradient(
4434 0.,
4435 linear_color_stop(editor_bg_color.opacity(0.), 0.),
4436 linear_color_stop(editor_bg_color, 0.6),
4437 ))
4438 .absolute()
4439 .top_0(),
4440 )
4441 .child(
4442 self.render_buffer_header(excerpt, false, selected, true, jump_data, window, cx)
4443 .into_any_element(),
4444 )
4445 .into_any_element();
4446
4447 let mut origin = hitbox.origin;
4448 // Move floating header up to avoid colliding with the next buffer header.
4449 for block in blocks.iter() {
4450 if !block.is_buffer_header {
4451 continue;
4452 }
4453
4454 let Some(display_row) = block.row.filter(|row| row.0 > scroll_position.y as u32) else {
4455 continue;
4456 };
4457
4458 let max_row = display_row.0.saturating_sub(FILE_HEADER_HEIGHT);
4459 let offset = scroll_position.y - max_row as f64;
4460
4461 if offset > 0.0 {
4462 origin.y -= Pixels::from(offset * ScrollPixelOffset::from(line_height));
4463 }
4464 break;
4465 }
4466
4467 let size = size(
4468 AvailableSpace::Definite(available_width),
4469 AvailableSpace::MinContent,
4470 );
4471
4472 header.prepaint_as_root(origin, size, window, cx);
4473
4474 header
4475 }
4476
4477 fn layout_cursor_popovers(
4478 &self,
4479 line_height: Pixels,
4480 text_hitbox: &Hitbox,
4481 content_origin: gpui::Point<Pixels>,
4482 right_margin: Pixels,
4483 start_row: DisplayRow,
4484 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4485 line_layouts: &[LineWithInvisibles],
4486 cursor: DisplayPoint,
4487 cursor_point: Point,
4488 style: &EditorStyle,
4489 window: &mut Window,
4490 cx: &mut App,
4491 ) -> Option<ContextMenuLayout> {
4492 let mut min_menu_height = Pixels::ZERO;
4493 let mut max_menu_height = Pixels::ZERO;
4494 let mut height_above_menu = Pixels::ZERO;
4495 let height_below_menu = Pixels::ZERO;
4496 let mut edit_prediction_popover_visible = false;
4497 let mut context_menu_visible = false;
4498 let context_menu_placement;
4499
4500 {
4501 let editor = self.editor.read(cx);
4502 if editor.edit_prediction_visible_in_cursor_popover(editor.has_active_edit_prediction())
4503 {
4504 height_above_menu +=
4505 editor.edit_prediction_cursor_popover_height() + POPOVER_Y_PADDING;
4506 edit_prediction_popover_visible = true;
4507 }
4508
4509 if editor.context_menu_visible()
4510 && let Some(crate::ContextMenuOrigin::Cursor) = editor.context_menu_origin()
4511 {
4512 let (min_height_in_lines, max_height_in_lines) = editor
4513 .context_menu_options
4514 .as_ref()
4515 .map_or((3, 12), |options| {
4516 (options.min_entries_visible, options.max_entries_visible)
4517 });
4518
4519 min_menu_height += line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4520 max_menu_height += line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4521 context_menu_visible = true;
4522 }
4523 context_menu_placement = editor
4524 .context_menu_options
4525 .as_ref()
4526 .and_then(|options| options.placement.clone());
4527 }
4528
4529 let visible = edit_prediction_popover_visible || context_menu_visible;
4530 if !visible {
4531 return None;
4532 }
4533
4534 let cursor_row_layout = &line_layouts[cursor.row().minus(start_row) as usize];
4535 let target_position = content_origin
4536 + gpui::Point {
4537 x: cmp::max(
4538 px(0.),
4539 Pixels::from(
4540 ScrollPixelOffset::from(
4541 cursor_row_layout.x_for_index(cursor.column() as usize),
4542 ) - scroll_pixel_position.x,
4543 ),
4544 ),
4545 y: cmp::max(
4546 px(0.),
4547 Pixels::from(
4548 cursor.row().next_row().as_f64() * ScrollPixelOffset::from(line_height)
4549 - scroll_pixel_position.y,
4550 ),
4551 ),
4552 };
4553
4554 let viewport_bounds =
4555 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4556 right: -right_margin - MENU_GAP,
4557 ..Default::default()
4558 });
4559
4560 let min_height = height_above_menu + min_menu_height + height_below_menu;
4561 let max_height = height_above_menu + max_menu_height + height_below_menu;
4562 let (laid_out_popovers, y_flipped) = self.layout_popovers_above_or_below_line(
4563 target_position,
4564 line_height,
4565 min_height,
4566 max_height,
4567 context_menu_placement,
4568 text_hitbox,
4569 viewport_bounds,
4570 window,
4571 cx,
4572 |height, max_width_for_stable_x, y_flipped, window, cx| {
4573 // First layout the menu to get its size - others can be at least this wide.
4574 let context_menu = if context_menu_visible {
4575 let menu_height = if y_flipped {
4576 height - height_below_menu
4577 } else {
4578 height - height_above_menu
4579 };
4580 let mut element = self
4581 .render_context_menu(line_height, menu_height, window, cx)
4582 .expect("Visible context menu should always render.");
4583 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4584 Some((CursorPopoverType::CodeContextMenu, element, size))
4585 } else {
4586 None
4587 };
4588 let min_width = context_menu
4589 .as_ref()
4590 .map_or(px(0.), |(_, _, size)| size.width);
4591 let max_width = max_width_for_stable_x.max(
4592 context_menu
4593 .as_ref()
4594 .map_or(px(0.), |(_, _, size)| size.width),
4595 );
4596
4597 let edit_prediction = if edit_prediction_popover_visible {
4598 self.editor.update(cx, move |editor, cx| {
4599 let accept_binding =
4600 editor.accept_edit_prediction_keybind(false, window, cx);
4601 let mut element = editor.render_edit_prediction_cursor_popover(
4602 min_width,
4603 max_width,
4604 cursor_point,
4605 style,
4606 accept_binding.keystroke(),
4607 window,
4608 cx,
4609 )?;
4610 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4611 Some((CursorPopoverType::EditPrediction, element, size))
4612 })
4613 } else {
4614 None
4615 };
4616 vec![edit_prediction, context_menu]
4617 .into_iter()
4618 .flatten()
4619 .collect::<Vec<_>>()
4620 },
4621 )?;
4622
4623 let (menu_ix, (_, menu_bounds)) = laid_out_popovers
4624 .iter()
4625 .find_position(|(x, _)| matches!(x, CursorPopoverType::CodeContextMenu))?;
4626 let last_ix = laid_out_popovers.len() - 1;
4627 let menu_is_last = menu_ix == last_ix;
4628 let first_popover_bounds = laid_out_popovers[0].1;
4629 let last_popover_bounds = laid_out_popovers[last_ix].1;
4630
4631 // Bounds to layout the aside around. When y_flipped, the aside goes either above or to the
4632 // right, and otherwise it goes below or to the right.
4633 let mut target_bounds = Bounds::from_corners(
4634 first_popover_bounds.origin,
4635 last_popover_bounds.bottom_right(),
4636 );
4637 target_bounds.size.width = menu_bounds.size.width;
4638
4639 // Like `target_bounds`, but with the max height it could occupy. Choosing an aside position
4640 // based on this is preferred for layout stability.
4641 let mut max_target_bounds = target_bounds;
4642 max_target_bounds.size.height = max_height;
4643 if y_flipped {
4644 max_target_bounds.origin.y -= max_height - target_bounds.size.height;
4645 }
4646
4647 // Add spacing around `target_bounds` and `max_target_bounds`.
4648 let mut extend_amount = Edges::all(MENU_GAP);
4649 if y_flipped {
4650 extend_amount.bottom = line_height;
4651 } else {
4652 extend_amount.top = line_height;
4653 }
4654 let target_bounds = target_bounds.extend(extend_amount);
4655 let max_target_bounds = max_target_bounds.extend(extend_amount);
4656
4657 let must_place_above_or_below =
4658 if y_flipped && !menu_is_last && menu_bounds.size.height < max_menu_height {
4659 laid_out_popovers[menu_ix + 1..]
4660 .iter()
4661 .any(|(_, popover_bounds)| popover_bounds.size.width > menu_bounds.size.width)
4662 } else {
4663 false
4664 };
4665
4666 let aside_bounds = self.layout_context_menu_aside(
4667 y_flipped,
4668 *menu_bounds,
4669 target_bounds,
4670 max_target_bounds,
4671 max_menu_height,
4672 must_place_above_or_below,
4673 text_hitbox,
4674 viewport_bounds,
4675 window,
4676 cx,
4677 );
4678
4679 if let Some(menu_bounds) = laid_out_popovers.iter().find_map(|(popover_type, bounds)| {
4680 if matches!(popover_type, CursorPopoverType::CodeContextMenu) {
4681 Some(*bounds)
4682 } else {
4683 None
4684 }
4685 }) {
4686 let bounds = if let Some(aside_bounds) = aside_bounds {
4687 menu_bounds.union(&aside_bounds)
4688 } else {
4689 menu_bounds
4690 };
4691 return Some(ContextMenuLayout { y_flipped, bounds });
4692 }
4693
4694 None
4695 }
4696
4697 fn layout_gutter_menu(
4698 &self,
4699 line_height: Pixels,
4700 text_hitbox: &Hitbox,
4701 content_origin: gpui::Point<Pixels>,
4702 right_margin: Pixels,
4703 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4704 gutter_overshoot: Pixels,
4705 window: &mut Window,
4706 cx: &mut App,
4707 ) {
4708 let editor = self.editor.read(cx);
4709 if !editor.context_menu_visible() {
4710 return;
4711 }
4712 let Some(crate::ContextMenuOrigin::GutterIndicator(gutter_row)) =
4713 editor.context_menu_origin()
4714 else {
4715 return;
4716 };
4717 // Context menu was spawned via a click on a gutter. Ensure it's a bit closer to the
4718 // indicator than just a plain first column of the text field.
4719 let target_position = content_origin
4720 + gpui::Point {
4721 x: -gutter_overshoot,
4722 y: Pixels::from(
4723 gutter_row.next_row().as_f64() * ScrollPixelOffset::from(line_height)
4724 - scroll_pixel_position.y,
4725 ),
4726 };
4727
4728 let (min_height_in_lines, max_height_in_lines) = editor
4729 .context_menu_options
4730 .as_ref()
4731 .map_or((3, 12), |options| {
4732 (options.min_entries_visible, options.max_entries_visible)
4733 });
4734
4735 let min_height = line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4736 let max_height = line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4737 let viewport_bounds =
4738 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4739 right: -right_margin - MENU_GAP,
4740 ..Default::default()
4741 });
4742 self.layout_popovers_above_or_below_line(
4743 target_position,
4744 line_height,
4745 min_height,
4746 max_height,
4747 editor
4748 .context_menu_options
4749 .as_ref()
4750 .and_then(|options| options.placement.clone()),
4751 text_hitbox,
4752 viewport_bounds,
4753 window,
4754 cx,
4755 move |height, _max_width_for_stable_x, _, window, cx| {
4756 let mut element = self
4757 .render_context_menu(line_height, height, window, cx)
4758 .expect("Visible context menu should always render.");
4759 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4760 vec![(CursorPopoverType::CodeContextMenu, element, size)]
4761 },
4762 );
4763 }
4764
4765 fn layout_popovers_above_or_below_line(
4766 &self,
4767 target_position: gpui::Point<Pixels>,
4768 line_height: Pixels,
4769 min_height: Pixels,
4770 max_height: Pixels,
4771 placement: Option<ContextMenuPlacement>,
4772 text_hitbox: &Hitbox,
4773 viewport_bounds: Bounds<Pixels>,
4774 window: &mut Window,
4775 cx: &mut App,
4776 make_sized_popovers: impl FnOnce(
4777 Pixels,
4778 Pixels,
4779 bool,
4780 &mut Window,
4781 &mut App,
4782 ) -> Vec<(CursorPopoverType, AnyElement, Size<Pixels>)>,
4783 ) -> Option<(Vec<(CursorPopoverType, Bounds<Pixels>)>, bool)> {
4784 let text_style = TextStyleRefinement {
4785 line_height: Some(DefiniteLength::Fraction(
4786 BufferLineHeight::Comfortable.value(),
4787 )),
4788 ..Default::default()
4789 };
4790 window.with_text_style(Some(text_style), |window| {
4791 // If the max height won't fit below and there is more space above, put it above the line.
4792 let bottom_y_when_flipped = target_position.y - line_height;
4793 let available_above = bottom_y_when_flipped - text_hitbox.top();
4794 let available_below = text_hitbox.bottom() - target_position.y;
4795 let y_overflows_below = max_height > available_below;
4796 let mut y_flipped = match placement {
4797 Some(ContextMenuPlacement::Above) => true,
4798 Some(ContextMenuPlacement::Below) => false,
4799 None => y_overflows_below && available_above > available_below,
4800 };
4801 let mut height = cmp::min(
4802 max_height,
4803 if y_flipped {
4804 available_above
4805 } else {
4806 available_below
4807 },
4808 );
4809
4810 // If the min height doesn't fit within text bounds, instead fit within the window.
4811 if height < min_height {
4812 let available_above = bottom_y_when_flipped;
4813 let available_below = viewport_bounds.bottom() - target_position.y;
4814 let (y_flipped_override, height_override) = match placement {
4815 Some(ContextMenuPlacement::Above) => {
4816 (true, cmp::min(available_above, min_height))
4817 }
4818 Some(ContextMenuPlacement::Below) => {
4819 (false, cmp::min(available_below, min_height))
4820 }
4821 None => {
4822 if available_below > min_height {
4823 (false, min_height)
4824 } else if available_above > min_height {
4825 (true, min_height)
4826 } else if available_above > available_below {
4827 (true, available_above)
4828 } else {
4829 (false, available_below)
4830 }
4831 }
4832 };
4833 y_flipped = y_flipped_override;
4834 height = height_override;
4835 }
4836
4837 let max_width_for_stable_x = viewport_bounds.right() - target_position.x;
4838
4839 // TODO: Use viewport_bounds.width as a max width so that it doesn't get clipped on the left
4840 // for very narrow windows.
4841 let popovers =
4842 make_sized_popovers(height, max_width_for_stable_x, y_flipped, window, cx);
4843 if popovers.is_empty() {
4844 return None;
4845 }
4846
4847 let max_width = popovers
4848 .iter()
4849 .map(|(_, _, size)| size.width)
4850 .max()
4851 .unwrap_or_default();
4852
4853 let mut current_position = gpui::Point {
4854 // Snap the right edge of the list to the right edge of the window if its horizontal bounds
4855 // overflow. Include space for the scrollbar.
4856 x: target_position
4857 .x
4858 .min((viewport_bounds.right() - max_width).max(Pixels::ZERO)),
4859 y: if y_flipped {
4860 bottom_y_when_flipped
4861 } else {
4862 target_position.y
4863 },
4864 };
4865
4866 let mut laid_out_popovers = popovers
4867 .into_iter()
4868 .map(|(popover_type, element, size)| {
4869 if y_flipped {
4870 current_position.y -= size.height;
4871 }
4872 let position = current_position;
4873 window.defer_draw(element, current_position, 1);
4874 if !y_flipped {
4875 current_position.y += size.height + MENU_GAP;
4876 } else {
4877 current_position.y -= MENU_GAP;
4878 }
4879 (popover_type, Bounds::new(position, size))
4880 })
4881 .collect::<Vec<_>>();
4882
4883 if y_flipped {
4884 laid_out_popovers.reverse();
4885 }
4886
4887 Some((laid_out_popovers, y_flipped))
4888 })
4889 }
4890
4891 fn layout_context_menu_aside(
4892 &self,
4893 y_flipped: bool,
4894 menu_bounds: Bounds<Pixels>,
4895 target_bounds: Bounds<Pixels>,
4896 max_target_bounds: Bounds<Pixels>,
4897 max_height: Pixels,
4898 must_place_above_or_below: bool,
4899 text_hitbox: &Hitbox,
4900 viewport_bounds: Bounds<Pixels>,
4901 window: &mut Window,
4902 cx: &mut App,
4903 ) -> Option<Bounds<Pixels>> {
4904 let available_within_viewport = target_bounds.space_within(&viewport_bounds);
4905 let positioned_aside = if available_within_viewport.right >= MENU_ASIDE_MIN_WIDTH
4906 && !must_place_above_or_below
4907 {
4908 let max_width = cmp::min(
4909 available_within_viewport.right - px(1.),
4910 MENU_ASIDE_MAX_WIDTH,
4911 );
4912 let mut aside = self.render_context_menu_aside(
4913 size(max_width, max_height - POPOVER_Y_PADDING),
4914 window,
4915 cx,
4916 )?;
4917 let size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4918 let right_position = point(target_bounds.right(), menu_bounds.origin.y);
4919 Some((aside, right_position, size))
4920 } else {
4921 let max_size = size(
4922 // TODO(mgsloan): Once the menu is bounded by viewport width the bound on viewport
4923 // won't be needed here.
4924 cmp::min(
4925 cmp::max(menu_bounds.size.width - px(2.), MENU_ASIDE_MIN_WIDTH),
4926 viewport_bounds.right(),
4927 ),
4928 cmp::min(
4929 max_height,
4930 cmp::max(
4931 available_within_viewport.top,
4932 available_within_viewport.bottom,
4933 ),
4934 ) - POPOVER_Y_PADDING,
4935 );
4936 let mut aside = self.render_context_menu_aside(max_size, window, cx)?;
4937 let actual_size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4938
4939 let top_position = point(
4940 menu_bounds.origin.x,
4941 target_bounds.top() - actual_size.height,
4942 );
4943 let bottom_position = point(menu_bounds.origin.x, target_bounds.bottom());
4944
4945 let fit_within = |available: Edges<Pixels>, wanted: Size<Pixels>| {
4946 // Prefer to fit on the same side of the line as the menu, then on the other side of
4947 // the line.
4948 if !y_flipped && wanted.height < available.bottom {
4949 Some(bottom_position)
4950 } else if !y_flipped && wanted.height < available.top {
4951 Some(top_position)
4952 } else if y_flipped && wanted.height < available.top {
4953 Some(top_position)
4954 } else if y_flipped && wanted.height < available.bottom {
4955 Some(bottom_position)
4956 } else {
4957 None
4958 }
4959 };
4960
4961 // Prefer choosing a direction using max sizes rather than actual size for stability.
4962 let available_within_text = max_target_bounds.space_within(&text_hitbox.bounds);
4963 let wanted = size(MENU_ASIDE_MAX_WIDTH, max_height);
4964 let aside_position = fit_within(available_within_text, wanted)
4965 // Fallback: fit max size in window.
4966 .or_else(|| fit_within(max_target_bounds.space_within(&viewport_bounds), wanted))
4967 // Fallback: fit actual size in window.
4968 .or_else(|| fit_within(available_within_viewport, actual_size));
4969
4970 aside_position.map(|position| (aside, position, actual_size))
4971 };
4972
4973 // Skip drawing if it doesn't fit anywhere.
4974 if let Some((aside, position, size)) = positioned_aside {
4975 let aside_bounds = Bounds::new(position, size);
4976 window.defer_draw(aside, position, 2);
4977 return Some(aside_bounds);
4978 }
4979
4980 None
4981 }
4982
4983 fn render_context_menu(
4984 &self,
4985 line_height: Pixels,
4986 height: Pixels,
4987 window: &mut Window,
4988 cx: &mut App,
4989 ) -> Option<AnyElement> {
4990 let max_height_in_lines = ((height - POPOVER_Y_PADDING) / line_height).floor() as u32;
4991 self.editor.update(cx, |editor, cx| {
4992 editor.render_context_menu(&self.style, max_height_in_lines, window, cx)
4993 })
4994 }
4995
4996 fn render_context_menu_aside(
4997 &self,
4998 max_size: Size<Pixels>,
4999 window: &mut Window,
5000 cx: &mut App,
5001 ) -> Option<AnyElement> {
5002 if max_size.width < px(100.) || max_size.height < px(12.) {
5003 None
5004 } else {
5005 self.editor.update(cx, |editor, cx| {
5006 editor.render_context_menu_aside(max_size, window, cx)
5007 })
5008 }
5009 }
5010
5011 fn layout_mouse_context_menu(
5012 &self,
5013 editor_snapshot: &EditorSnapshot,
5014 visible_range: Range<DisplayRow>,
5015 content_origin: gpui::Point<Pixels>,
5016 window: &mut Window,
5017 cx: &mut App,
5018 ) -> Option<AnyElement> {
5019 let position = self.editor.update(cx, |editor, _cx| {
5020 let visible_start_point = editor.display_to_pixel_point(
5021 DisplayPoint::new(visible_range.start, 0),
5022 editor_snapshot,
5023 window,
5024 )?;
5025 let visible_end_point = editor.display_to_pixel_point(
5026 DisplayPoint::new(visible_range.end, 0),
5027 editor_snapshot,
5028 window,
5029 )?;
5030
5031 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
5032 let (source_display_point, position) = match mouse_context_menu.position {
5033 MenuPosition::PinnedToScreen(point) => (None, point),
5034 MenuPosition::PinnedToEditor { source, offset } => {
5035 let source_display_point = source.to_display_point(editor_snapshot);
5036 let source_point = editor.to_pixel_point(source, editor_snapshot, window)?;
5037 let position = content_origin + source_point + offset;
5038 (Some(source_display_point), position)
5039 }
5040 };
5041
5042 let source_included = source_display_point.is_none_or(|source_display_point| {
5043 visible_range
5044 .to_inclusive()
5045 .contains(&source_display_point.row())
5046 });
5047 let position_included =
5048 visible_start_point.y <= position.y && position.y <= visible_end_point.y;
5049 if !source_included && !position_included {
5050 None
5051 } else {
5052 Some(position)
5053 }
5054 })?;
5055
5056 let text_style = TextStyleRefinement {
5057 line_height: Some(DefiniteLength::Fraction(
5058 BufferLineHeight::Comfortable.value(),
5059 )),
5060 ..Default::default()
5061 };
5062 window.with_text_style(Some(text_style), |window| {
5063 let mut element = self.editor.read_with(cx, |editor, _| {
5064 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
5065 let context_menu = mouse_context_menu.context_menu.clone();
5066
5067 Some(
5068 deferred(
5069 anchored()
5070 .position(position)
5071 .child(context_menu)
5072 .anchor(Corner::TopLeft)
5073 .snap_to_window_with_margin(px(8.)),
5074 )
5075 .with_priority(1)
5076 .into_any(),
5077 )
5078 })?;
5079
5080 element.prepaint_as_root(position, AvailableSpace::min_size(), window, cx);
5081 Some(element)
5082 })
5083 }
5084
5085 fn layout_hover_popovers(
5086 &self,
5087 snapshot: &EditorSnapshot,
5088 hitbox: &Hitbox,
5089 visible_display_row_range: Range<DisplayRow>,
5090 content_origin: gpui::Point<Pixels>,
5091 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5092 line_layouts: &[LineWithInvisibles],
5093 line_height: Pixels,
5094 em_width: Pixels,
5095 context_menu_layout: Option<ContextMenuLayout>,
5096 window: &mut Window,
5097 cx: &mut App,
5098 ) {
5099 struct MeasuredHoverPopover {
5100 element: AnyElement,
5101 size: Size<Pixels>,
5102 horizontal_offset: Pixels,
5103 }
5104
5105 let max_size = size(
5106 (120. * em_width) // Default size
5107 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5108 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5109 (16. * line_height) // Default size
5110 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5111 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5112 );
5113
5114 let hover_popovers = self.editor.update(cx, |editor, cx| {
5115 editor.hover_state.render(
5116 snapshot,
5117 visible_display_row_range.clone(),
5118 max_size,
5119 &editor.text_layout_details(window),
5120 window,
5121 cx,
5122 )
5123 });
5124 let Some((popover_position, hover_popovers)) = hover_popovers else {
5125 return;
5126 };
5127
5128 // This is safe because we check on layout whether the required row is available
5129 let hovered_row_layout = &line_layouts[popover_position
5130 .row()
5131 .minus(visible_display_row_range.start)
5132 as usize];
5133
5134 // Compute Hovered Point
5135 let x = hovered_row_layout.x_for_index(popover_position.column() as usize)
5136 - Pixels::from(scroll_pixel_position.x);
5137 let y = Pixels::from(
5138 popover_position.row().as_f64() * ScrollPixelOffset::from(line_height)
5139 - scroll_pixel_position.y,
5140 );
5141 let hovered_point = content_origin + point(x, y);
5142
5143 let mut overall_height = Pixels::ZERO;
5144 let mut measured_hover_popovers = Vec::new();
5145 for (position, mut hover_popover) in hover_popovers.into_iter().with_position() {
5146 let size = hover_popover.layout_as_root(AvailableSpace::min_size(), window, cx);
5147 let horizontal_offset =
5148 (hitbox.top_right().x - POPOVER_RIGHT_OFFSET - (hovered_point.x + size.width))
5149 .min(Pixels::ZERO);
5150 match position {
5151 itertools::Position::Middle | itertools::Position::Last => {
5152 overall_height += HOVER_POPOVER_GAP
5153 }
5154 _ => {}
5155 }
5156 overall_height += size.height;
5157 measured_hover_popovers.push(MeasuredHoverPopover {
5158 element: hover_popover,
5159 size,
5160 horizontal_offset,
5161 });
5162 }
5163
5164 fn draw_occluder(
5165 width: Pixels,
5166 origin: gpui::Point<Pixels>,
5167 window: &mut Window,
5168 cx: &mut App,
5169 ) {
5170 let mut occlusion = div()
5171 .size_full()
5172 .occlude()
5173 .on_mouse_move(|_, _, cx| cx.stop_propagation())
5174 .into_any_element();
5175 occlusion.layout_as_root(size(width, HOVER_POPOVER_GAP).into(), window, cx);
5176 window.defer_draw(occlusion, origin, 2);
5177 }
5178
5179 fn place_popovers_above(
5180 hovered_point: gpui::Point<Pixels>,
5181 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5182 window: &mut Window,
5183 cx: &mut App,
5184 ) {
5185 let mut current_y = hovered_point.y;
5186 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5187 let size = popover.size;
5188 let popover_origin = point(
5189 hovered_point.x + popover.horizontal_offset,
5190 current_y - size.height,
5191 );
5192
5193 window.defer_draw(popover.element, popover_origin, 2);
5194 if position != itertools::Position::Last {
5195 let origin = point(popover_origin.x, popover_origin.y - HOVER_POPOVER_GAP);
5196 draw_occluder(size.width, origin, window, cx);
5197 }
5198
5199 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5200 }
5201 }
5202
5203 fn place_popovers_below(
5204 hovered_point: gpui::Point<Pixels>,
5205 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5206 line_height: Pixels,
5207 window: &mut Window,
5208 cx: &mut App,
5209 ) {
5210 let mut current_y = hovered_point.y + line_height;
5211 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5212 let size = popover.size;
5213 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5214
5215 window.defer_draw(popover.element, popover_origin, 2);
5216 if position != itertools::Position::Last {
5217 let origin = point(popover_origin.x, popover_origin.y + size.height);
5218 draw_occluder(size.width, origin, window, cx);
5219 }
5220
5221 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5222 }
5223 }
5224
5225 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5226 context_menu_layout
5227 .as_ref()
5228 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5229 };
5230
5231 let can_place_above = {
5232 let mut bounds_above = Vec::new();
5233 let mut current_y = hovered_point.y;
5234 for popover in &measured_hover_popovers {
5235 let size = popover.size;
5236 let popover_origin = point(
5237 hovered_point.x + popover.horizontal_offset,
5238 current_y - size.height,
5239 );
5240 bounds_above.push(Bounds::new(popover_origin, size));
5241 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5242 }
5243 bounds_above
5244 .iter()
5245 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5246 };
5247
5248 let can_place_below = || {
5249 let mut bounds_below = Vec::new();
5250 let mut current_y = hovered_point.y + line_height;
5251 for popover in &measured_hover_popovers {
5252 let size = popover.size;
5253 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5254 bounds_below.push(Bounds::new(popover_origin, size));
5255 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5256 }
5257 bounds_below
5258 .iter()
5259 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5260 };
5261
5262 if can_place_above {
5263 // try placing above hovered point
5264 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5265 } else if can_place_below() {
5266 // try placing below hovered point
5267 place_popovers_below(
5268 hovered_point,
5269 measured_hover_popovers,
5270 line_height,
5271 window,
5272 cx,
5273 );
5274 } else {
5275 // try to place popovers around the context menu
5276 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5277 let total_width = measured_hover_popovers
5278 .iter()
5279 .map(|p| p.size.width)
5280 .max()
5281 .unwrap_or(Pixels::ZERO);
5282 let y_for_horizontal_positioning = if menu.y_flipped {
5283 menu.bounds.bottom() - overall_height
5284 } else {
5285 menu.bounds.top()
5286 };
5287 let possible_origins = vec![
5288 // left of context menu
5289 point(
5290 menu.bounds.left() - total_width - HOVER_POPOVER_GAP,
5291 y_for_horizontal_positioning,
5292 ),
5293 // right of context menu
5294 point(
5295 menu.bounds.right() + HOVER_POPOVER_GAP,
5296 y_for_horizontal_positioning,
5297 ),
5298 // top of context menu
5299 point(
5300 menu.bounds.left(),
5301 menu.bounds.top() - overall_height - HOVER_POPOVER_GAP,
5302 ),
5303 // bottom of context menu
5304 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5305 ];
5306 possible_origins.into_iter().find(|&origin| {
5307 Bounds::new(origin, size(total_width, overall_height))
5308 .is_contained_within(hitbox)
5309 })
5310 });
5311 if let Some(origin) = origin_surrounding_menu {
5312 let mut current_y = origin.y;
5313 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5314 let size = popover.size;
5315 let popover_origin = point(origin.x, current_y);
5316
5317 window.defer_draw(popover.element, popover_origin, 2);
5318 if position != itertools::Position::Last {
5319 let origin = point(popover_origin.x, popover_origin.y + size.height);
5320 draw_occluder(size.width, origin, window, cx);
5321 }
5322
5323 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5324 }
5325 } else {
5326 // fallback to existing above/below cursor logic
5327 // this might overlap menu or overflow in rare case
5328 if can_place_above {
5329 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5330 } else {
5331 place_popovers_below(
5332 hovered_point,
5333 measured_hover_popovers,
5334 line_height,
5335 window,
5336 cx,
5337 );
5338 }
5339 }
5340 }
5341 }
5342
5343 fn layout_diff_hunk_controls(
5344 &self,
5345 row_range: Range<DisplayRow>,
5346 row_infos: &[RowInfo],
5347 text_hitbox: &Hitbox,
5348 newest_cursor_position: Option<DisplayPoint>,
5349 line_height: Pixels,
5350 right_margin: Pixels,
5351 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5352 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
5353 highlighted_rows: &BTreeMap<DisplayRow, LineHighlight>,
5354 editor: Entity<Editor>,
5355 window: &mut Window,
5356 cx: &mut App,
5357 ) -> (Vec<AnyElement>, Vec<(DisplayRow, Bounds<Pixels>)>) {
5358 let render_diff_hunk_controls = editor.read(cx).render_diff_hunk_controls.clone();
5359 let hovered_diff_hunk_row = editor.read(cx).hovered_diff_hunk_row;
5360
5361 let mut controls = vec![];
5362 let mut control_bounds = vec![];
5363
5364 let active_positions = [
5365 hovered_diff_hunk_row.map(|row| DisplayPoint::new(row, 0)),
5366 newest_cursor_position,
5367 ];
5368
5369 for (hunk, _) in display_hunks {
5370 if let DisplayDiffHunk::Unfolded {
5371 display_row_range,
5372 multi_buffer_range,
5373 status,
5374 is_created_file,
5375 ..
5376 } = &hunk
5377 {
5378 if display_row_range.start < row_range.start
5379 || display_row_range.start >= row_range.end
5380 {
5381 continue;
5382 }
5383 if highlighted_rows
5384 .get(&display_row_range.start)
5385 .and_then(|highlight| highlight.type_id)
5386 .is_some_and(|type_id| {
5387 [
5388 TypeId::of::<ConflictsOuter>(),
5389 TypeId::of::<ConflictsOursMarker>(),
5390 TypeId::of::<ConflictsOurs>(),
5391 TypeId::of::<ConflictsTheirs>(),
5392 TypeId::of::<ConflictsTheirsMarker>(),
5393 ]
5394 .contains(&type_id)
5395 })
5396 {
5397 continue;
5398 }
5399 let row_ix = (display_row_range.start - row_range.start).0 as usize;
5400 if row_infos[row_ix].diff_status.is_none() {
5401 continue;
5402 }
5403 if row_infos[row_ix]
5404 .diff_status
5405 .is_some_and(|status| status.is_added())
5406 && !status.is_added()
5407 {
5408 continue;
5409 }
5410
5411 if active_positions
5412 .iter()
5413 .any(|p| p.is_some_and(|p| display_row_range.contains(&p.row())))
5414 {
5415 let y = (display_row_range.start.as_f64()
5416 * ScrollPixelOffset::from(line_height)
5417 + ScrollPixelOffset::from(text_hitbox.bounds.top())
5418 - scroll_pixel_position.y)
5419 .into();
5420
5421 let mut element = render_diff_hunk_controls(
5422 display_row_range.start.0,
5423 status,
5424 multi_buffer_range.clone(),
5425 *is_created_file,
5426 line_height,
5427 &editor,
5428 window,
5429 cx,
5430 );
5431 let size =
5432 element.layout_as_root(size(px(100.0), line_height).into(), window, cx);
5433
5434 let x = text_hitbox.bounds.right() - right_margin - px(10.) - size.width;
5435
5436 let bounds = Bounds::new(gpui::Point::new(x, y), size);
5437 control_bounds.push((display_row_range.start, bounds));
5438
5439 window.with_absolute_element_offset(gpui::Point::new(x, y), |window| {
5440 element.prepaint(window, cx)
5441 });
5442 controls.push(element);
5443 }
5444 }
5445 }
5446
5447 (controls, control_bounds)
5448 }
5449
5450 fn layout_signature_help(
5451 &self,
5452 hitbox: &Hitbox,
5453 content_origin: gpui::Point<Pixels>,
5454 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5455 newest_selection_head: Option<DisplayPoint>,
5456 start_row: DisplayRow,
5457 line_layouts: &[LineWithInvisibles],
5458 line_height: Pixels,
5459 em_width: Pixels,
5460 context_menu_layout: Option<ContextMenuLayout>,
5461 window: &mut Window,
5462 cx: &mut App,
5463 ) {
5464 if !self.editor.focus_handle(cx).is_focused(window) {
5465 return;
5466 }
5467 let Some(newest_selection_head) = newest_selection_head else {
5468 return;
5469 };
5470
5471 let max_size = size(
5472 (120. * em_width) // Default size
5473 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5474 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5475 (16. * line_height) // Default size
5476 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5477 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5478 );
5479
5480 let maybe_element = self.editor.update(cx, |editor, cx| {
5481 if let Some(popover) = editor.signature_help_state.popover_mut() {
5482 let element = popover.render(max_size, window, cx);
5483 Some(element)
5484 } else {
5485 None
5486 }
5487 });
5488 let Some(mut element) = maybe_element else {
5489 return;
5490 };
5491
5492 let selection_row = newest_selection_head.row();
5493 let Some(cursor_row_layout) = (selection_row >= start_row)
5494 .then(|| line_layouts.get(selection_row.minus(start_row) as usize))
5495 .flatten()
5496 else {
5497 return;
5498 };
5499
5500 let target_x = cursor_row_layout.x_for_index(newest_selection_head.column() as usize)
5501 - Pixels::from(scroll_pixel_position.x);
5502 let target_y = Pixels::from(
5503 selection_row.as_f64() * ScrollPixelOffset::from(line_height) - scroll_pixel_position.y,
5504 );
5505 let target_point = content_origin + point(target_x, target_y);
5506
5507 let actual_size = element.layout_as_root(Size::<AvailableSpace>::default(), window, cx);
5508
5509 let (popover_bounds_above, popover_bounds_below) = {
5510 let horizontal_offset = (hitbox.top_right().x
5511 - POPOVER_RIGHT_OFFSET
5512 - (target_point.x + actual_size.width))
5513 .min(Pixels::ZERO);
5514 let initial_x = target_point.x + horizontal_offset;
5515 (
5516 Bounds::new(
5517 point(initial_x, target_point.y - actual_size.height),
5518 actual_size,
5519 ),
5520 Bounds::new(
5521 point(initial_x, target_point.y + line_height + HOVER_POPOVER_GAP),
5522 actual_size,
5523 ),
5524 )
5525 };
5526
5527 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5528 context_menu_layout
5529 .as_ref()
5530 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5531 };
5532
5533 let final_origin = if popover_bounds_above.is_contained_within(hitbox)
5534 && !intersects_menu(popover_bounds_above)
5535 {
5536 // try placing above cursor
5537 popover_bounds_above.origin
5538 } else if popover_bounds_below.is_contained_within(hitbox)
5539 && !intersects_menu(popover_bounds_below)
5540 {
5541 // try placing below cursor
5542 popover_bounds_below.origin
5543 } else {
5544 // try surrounding context menu if exists
5545 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5546 let y_for_horizontal_positioning = if menu.y_flipped {
5547 menu.bounds.bottom() - actual_size.height
5548 } else {
5549 menu.bounds.top()
5550 };
5551 let possible_origins = vec![
5552 // left of context menu
5553 point(
5554 menu.bounds.left() - actual_size.width - HOVER_POPOVER_GAP,
5555 y_for_horizontal_positioning,
5556 ),
5557 // right of context menu
5558 point(
5559 menu.bounds.right() + HOVER_POPOVER_GAP,
5560 y_for_horizontal_positioning,
5561 ),
5562 // top of context menu
5563 point(
5564 menu.bounds.left(),
5565 menu.bounds.top() - actual_size.height - HOVER_POPOVER_GAP,
5566 ),
5567 // bottom of context menu
5568 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5569 ];
5570 possible_origins
5571 .into_iter()
5572 .find(|&origin| Bounds::new(origin, actual_size).is_contained_within(hitbox))
5573 });
5574 origin_surrounding_menu.unwrap_or_else(|| {
5575 // fallback to existing above/below cursor logic
5576 // this might overlap menu or overflow in rare case
5577 if popover_bounds_above.is_contained_within(hitbox) {
5578 popover_bounds_above.origin
5579 } else {
5580 popover_bounds_below.origin
5581 }
5582 })
5583 };
5584
5585 window.defer_draw(element, final_origin, 2);
5586 }
5587
5588 fn paint_background(&self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
5589 window.paint_layer(layout.hitbox.bounds, |window| {
5590 let scroll_top = layout.position_map.snapshot.scroll_position().y;
5591 let gutter_bg = cx.theme().colors().editor_gutter_background;
5592 window.paint_quad(fill(layout.gutter_hitbox.bounds, gutter_bg));
5593 window.paint_quad(fill(
5594 layout.position_map.text_hitbox.bounds,
5595 self.style.background,
5596 ));
5597
5598 if matches!(
5599 layout.mode,
5600 EditorMode::Full { .. } | EditorMode::Minimap { .. }
5601 ) {
5602 let show_active_line_background = match layout.mode {
5603 EditorMode::Full {
5604 show_active_line_background,
5605 ..
5606 } => show_active_line_background,
5607 EditorMode::Minimap { .. } => true,
5608 _ => false,
5609 };
5610 let mut active_rows = layout.active_rows.iter().peekable();
5611 while let Some((start_row, contains_non_empty_selection)) = active_rows.next() {
5612 let mut end_row = start_row.0;
5613 while active_rows
5614 .peek()
5615 .is_some_and(|(active_row, has_selection)| {
5616 active_row.0 == end_row + 1
5617 && has_selection.selection == contains_non_empty_selection.selection
5618 })
5619 {
5620 active_rows.next().unwrap();
5621 end_row += 1;
5622 }
5623
5624 if show_active_line_background && !contains_non_empty_selection.selection {
5625 let highlight_h_range =
5626 match layout.position_map.snapshot.current_line_highlight {
5627 CurrentLineHighlight::Gutter => Some(Range {
5628 start: layout.hitbox.left(),
5629 end: layout.gutter_hitbox.right(),
5630 }),
5631 CurrentLineHighlight::Line => Some(Range {
5632 start: layout.position_map.text_hitbox.bounds.left(),
5633 end: layout.position_map.text_hitbox.bounds.right(),
5634 }),
5635 CurrentLineHighlight::All => Some(Range {
5636 start: layout.hitbox.left(),
5637 end: layout.hitbox.right(),
5638 }),
5639 CurrentLineHighlight::None => None,
5640 };
5641 if let Some(range) = highlight_h_range {
5642 let active_line_bg = cx.theme().colors().editor_active_line_background;
5643 let bounds = Bounds {
5644 origin: point(
5645 range.start,
5646 layout.hitbox.origin.y
5647 + Pixels::from(
5648 (start_row.as_f64() - scroll_top)
5649 * ScrollPixelOffset::from(
5650 layout.position_map.line_height,
5651 ),
5652 ),
5653 ),
5654 size: size(
5655 range.end - range.start,
5656 layout.position_map.line_height
5657 * (end_row - start_row.0 + 1) as f32,
5658 ),
5659 };
5660 window.paint_quad(fill(bounds, active_line_bg));
5661 }
5662 }
5663 }
5664
5665 let mut paint_highlight = |highlight_row_start: DisplayRow,
5666 highlight_row_end: DisplayRow,
5667 highlight: crate::LineHighlight,
5668 edges| {
5669 let mut origin_x = layout.hitbox.left();
5670 let mut width = layout.hitbox.size.width;
5671 if !highlight.include_gutter {
5672 origin_x += layout.gutter_hitbox.size.width;
5673 width -= layout.gutter_hitbox.size.width;
5674 }
5675
5676 let origin = point(
5677 origin_x,
5678 layout.hitbox.origin.y
5679 + Pixels::from(
5680 (highlight_row_start.as_f64() - scroll_top)
5681 * ScrollPixelOffset::from(layout.position_map.line_height),
5682 ),
5683 );
5684 let size = size(
5685 width,
5686 layout.position_map.line_height
5687 * highlight_row_end.next_row().minus(highlight_row_start) as f32,
5688 );
5689 let mut quad = fill(Bounds { origin, size }, highlight.background);
5690 if let Some(border_color) = highlight.border {
5691 quad.border_color = border_color;
5692 quad.border_widths = edges
5693 }
5694 window.paint_quad(quad);
5695 };
5696
5697 let mut current_paint: Option<(LineHighlight, Range<DisplayRow>, Edges<Pixels>)> =
5698 None;
5699 for (&new_row, &new_background) in &layout.highlighted_rows {
5700 match &mut current_paint {
5701 &mut Some((current_background, ref mut current_range, mut edges)) => {
5702 let new_range_started = current_background != new_background
5703 || current_range.end.next_row() != new_row;
5704 if new_range_started {
5705 if current_range.end.next_row() == new_row {
5706 edges.bottom = px(0.);
5707 };
5708 paint_highlight(
5709 current_range.start,
5710 current_range.end,
5711 current_background,
5712 edges,
5713 );
5714 let edges = Edges {
5715 top: if current_range.end.next_row() != new_row {
5716 px(1.)
5717 } else {
5718 px(0.)
5719 },
5720 bottom: px(1.),
5721 ..Default::default()
5722 };
5723 current_paint = Some((new_background, new_row..new_row, edges));
5724 continue;
5725 } else {
5726 current_range.end = current_range.end.next_row();
5727 }
5728 }
5729 None => {
5730 let edges = Edges {
5731 top: px(1.),
5732 bottom: px(1.),
5733 ..Default::default()
5734 };
5735 current_paint = Some((new_background, new_row..new_row, edges))
5736 }
5737 };
5738 }
5739 if let Some((color, range, edges)) = current_paint {
5740 paint_highlight(range.start, range.end, color, edges);
5741 }
5742
5743 for (guide_x, active) in layout.wrap_guides.iter() {
5744 let color = if *active {
5745 cx.theme().colors().editor_active_wrap_guide
5746 } else {
5747 cx.theme().colors().editor_wrap_guide
5748 };
5749 window.paint_quad(fill(
5750 Bounds {
5751 origin: point(*guide_x, layout.position_map.text_hitbox.origin.y),
5752 size: size(px(1.), layout.position_map.text_hitbox.size.height),
5753 },
5754 color,
5755 ));
5756 }
5757 }
5758 })
5759 }
5760
5761 fn paint_indent_guides(
5762 &mut self,
5763 layout: &mut EditorLayout,
5764 window: &mut Window,
5765 cx: &mut App,
5766 ) {
5767 let Some(indent_guides) = &layout.indent_guides else {
5768 return;
5769 };
5770
5771 let faded_color = |color: Hsla, alpha: f32| {
5772 let mut faded = color;
5773 faded.a = alpha;
5774 faded
5775 };
5776
5777 for indent_guide in indent_guides {
5778 let indent_accent_colors = cx.theme().accents().color_for_index(indent_guide.depth);
5779 let settings = &indent_guide.settings;
5780
5781 // TODO fixed for now, expose them through themes later
5782 const INDENT_AWARE_ALPHA: f32 = 0.2;
5783 const INDENT_AWARE_ACTIVE_ALPHA: f32 = 0.4;
5784 const INDENT_AWARE_BACKGROUND_ALPHA: f32 = 0.1;
5785 const INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA: f32 = 0.2;
5786
5787 let line_color = match (settings.coloring, indent_guide.active) {
5788 (IndentGuideColoring::Disabled, _) => None,
5789 (IndentGuideColoring::Fixed, false) => {
5790 Some(cx.theme().colors().editor_indent_guide)
5791 }
5792 (IndentGuideColoring::Fixed, true) => {
5793 Some(cx.theme().colors().editor_indent_guide_active)
5794 }
5795 (IndentGuideColoring::IndentAware, false) => {
5796 Some(faded_color(indent_accent_colors, INDENT_AWARE_ALPHA))
5797 }
5798 (IndentGuideColoring::IndentAware, true) => {
5799 Some(faded_color(indent_accent_colors, INDENT_AWARE_ACTIVE_ALPHA))
5800 }
5801 };
5802
5803 let background_color = match (settings.background_coloring, indent_guide.active) {
5804 (IndentGuideBackgroundColoring::Disabled, _) => None,
5805 (IndentGuideBackgroundColoring::IndentAware, false) => Some(faded_color(
5806 indent_accent_colors,
5807 INDENT_AWARE_BACKGROUND_ALPHA,
5808 )),
5809 (IndentGuideBackgroundColoring::IndentAware, true) => Some(faded_color(
5810 indent_accent_colors,
5811 INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA,
5812 )),
5813 };
5814
5815 let requested_line_width = if indent_guide.active {
5816 settings.active_line_width
5817 } else {
5818 settings.line_width
5819 }
5820 .clamp(1, 10);
5821 let mut line_indicator_width = 0.;
5822 if let Some(color) = line_color {
5823 window.paint_quad(fill(
5824 Bounds {
5825 origin: indent_guide.origin,
5826 size: size(px(requested_line_width as f32), indent_guide.length),
5827 },
5828 color,
5829 ));
5830 line_indicator_width = requested_line_width as f32;
5831 }
5832
5833 if let Some(color) = background_color {
5834 let width = indent_guide.single_indent_width - px(line_indicator_width);
5835 window.paint_quad(fill(
5836 Bounds {
5837 origin: point(
5838 indent_guide.origin.x + px(line_indicator_width),
5839 indent_guide.origin.y,
5840 ),
5841 size: size(width, indent_guide.length),
5842 },
5843 color,
5844 ));
5845 }
5846 }
5847 }
5848
5849 fn paint_line_numbers(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5850 let is_singleton = self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
5851
5852 let line_height = layout.position_map.line_height;
5853 window.set_cursor_style(CursorStyle::Arrow, &layout.gutter_hitbox);
5854
5855 for LineNumberLayout {
5856 shaped_line,
5857 hitbox,
5858 } in layout.line_numbers.values()
5859 {
5860 let Some(hitbox) = hitbox else {
5861 continue;
5862 };
5863
5864 let Some(()) = (if !is_singleton && hitbox.is_hovered(window) {
5865 let color = cx.theme().colors().editor_hover_line_number;
5866
5867 let line = self.shape_line_number(shaped_line.text.clone(), color, window);
5868 line.paint(hitbox.origin, line_height, window, cx).log_err()
5869 } else {
5870 shaped_line
5871 .paint(hitbox.origin, line_height, window, cx)
5872 .log_err()
5873 }) else {
5874 continue;
5875 };
5876
5877 // In singleton buffers, we select corresponding lines on the line number click, so use | -like cursor.
5878 // In multi buffers, we open file at the line number clicked, so use a pointing hand cursor.
5879 if is_singleton {
5880 window.set_cursor_style(CursorStyle::IBeam, hitbox);
5881 } else {
5882 window.set_cursor_style(CursorStyle::PointingHand, hitbox);
5883 }
5884 }
5885 }
5886
5887 fn paint_gutter_diff_hunks(layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5888 if layout.display_hunks.is_empty() {
5889 return;
5890 }
5891
5892 let line_height = layout.position_map.line_height;
5893 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5894 for (hunk, hitbox) in &layout.display_hunks {
5895 let hunk_to_paint = match hunk {
5896 DisplayDiffHunk::Folded { .. } => {
5897 let hunk_bounds = Self::diff_hunk_bounds(
5898 &layout.position_map.snapshot,
5899 line_height,
5900 layout.gutter_hitbox.bounds,
5901 hunk,
5902 );
5903 Some((
5904 hunk_bounds,
5905 cx.theme().colors().version_control_modified,
5906 Corners::all(px(0.)),
5907 DiffHunkStatus::modified_none(),
5908 ))
5909 }
5910 DisplayDiffHunk::Unfolded {
5911 status,
5912 display_row_range,
5913 ..
5914 } => hitbox.as_ref().map(|hunk_hitbox| match status.kind {
5915 DiffHunkStatusKind::Added => (
5916 hunk_hitbox.bounds,
5917 cx.theme().colors().version_control_added,
5918 Corners::all(px(0.)),
5919 *status,
5920 ),
5921 DiffHunkStatusKind::Modified => (
5922 hunk_hitbox.bounds,
5923 cx.theme().colors().version_control_modified,
5924 Corners::all(px(0.)),
5925 *status,
5926 ),
5927 DiffHunkStatusKind::Deleted if !display_row_range.is_empty() => (
5928 hunk_hitbox.bounds,
5929 cx.theme().colors().version_control_deleted,
5930 Corners::all(px(0.)),
5931 *status,
5932 ),
5933 DiffHunkStatusKind::Deleted => (
5934 Bounds::new(
5935 point(
5936 hunk_hitbox.origin.x - hunk_hitbox.size.width,
5937 hunk_hitbox.origin.y,
5938 ),
5939 size(hunk_hitbox.size.width * 2., hunk_hitbox.size.height),
5940 ),
5941 cx.theme().colors().version_control_deleted,
5942 Corners::all(1. * line_height),
5943 *status,
5944 ),
5945 }),
5946 };
5947
5948 if let Some((hunk_bounds, background_color, corner_radii, status)) = hunk_to_paint {
5949 // Flatten the background color with the editor color to prevent
5950 // elements below transparent hunks from showing through
5951 let flattened_background_color = cx
5952 .theme()
5953 .colors()
5954 .editor_background
5955 .blend(background_color);
5956
5957 if !Self::diff_hunk_hollow(status, cx) {
5958 window.paint_quad(quad(
5959 hunk_bounds,
5960 corner_radii,
5961 flattened_background_color,
5962 Edges::default(),
5963 transparent_black(),
5964 BorderStyle::default(),
5965 ));
5966 } else {
5967 let flattened_unstaged_background_color = cx
5968 .theme()
5969 .colors()
5970 .editor_background
5971 .blend(background_color.opacity(0.3));
5972
5973 window.paint_quad(quad(
5974 hunk_bounds,
5975 corner_radii,
5976 flattened_unstaged_background_color,
5977 Edges::all(px(1.0)),
5978 flattened_background_color,
5979 BorderStyle::Solid,
5980 ));
5981 }
5982 }
5983 }
5984 });
5985 }
5986
5987 fn gutter_strip_width(line_height: Pixels) -> Pixels {
5988 (0.275 * line_height).floor()
5989 }
5990
5991 fn diff_hunk_bounds(
5992 snapshot: &EditorSnapshot,
5993 line_height: Pixels,
5994 gutter_bounds: Bounds<Pixels>,
5995 hunk: &DisplayDiffHunk,
5996 ) -> Bounds<Pixels> {
5997 let scroll_position = snapshot.scroll_position();
5998 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
5999 let gutter_strip_width = Self::gutter_strip_width(line_height);
6000
6001 match hunk {
6002 DisplayDiffHunk::Folded { display_row, .. } => {
6003 let start_y = (display_row.as_f64() * ScrollPixelOffset::from(line_height)
6004 - scroll_top)
6005 .into();
6006 let end_y = start_y + line_height;
6007 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6008 let highlight_size = size(gutter_strip_width, end_y - start_y);
6009 Bounds::new(highlight_origin, highlight_size)
6010 }
6011 DisplayDiffHunk::Unfolded {
6012 display_row_range,
6013 status,
6014 ..
6015 } => {
6016 if status.is_deleted() && display_row_range.is_empty() {
6017 let row = display_row_range.start;
6018
6019 let offset = ScrollPixelOffset::from(line_height / 2.);
6020 let start_y =
6021 (row.as_f64() * ScrollPixelOffset::from(line_height) - offset - scroll_top)
6022 .into();
6023 let end_y = start_y + line_height;
6024
6025 let width = (0.35 * line_height).floor();
6026 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6027 let highlight_size = size(width, end_y - start_y);
6028 Bounds::new(highlight_origin, highlight_size)
6029 } else {
6030 let start_row = display_row_range.start;
6031 let end_row = display_row_range.end;
6032 // If we're in a multibuffer, row range span might include an
6033 // excerpt header, so if we were to draw the marker straight away,
6034 // the hunk might include the rows of that header.
6035 // Making the range inclusive doesn't quite cut it, as we rely on the exclusivity for the soft wrap.
6036 // Instead, we simply check whether the range we're dealing with includes
6037 // any excerpt headers and if so, we stop painting the diff hunk on the first row of that header.
6038 let end_row_in_current_excerpt = snapshot
6039 .blocks_in_range(start_row..end_row)
6040 .find_map(|(start_row, block)| {
6041 if matches!(
6042 block,
6043 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
6044 ) {
6045 Some(start_row)
6046 } else {
6047 None
6048 }
6049 })
6050 .unwrap_or(end_row);
6051
6052 let start_y = (start_row.as_f64() * ScrollPixelOffset::from(line_height)
6053 - scroll_top)
6054 .into();
6055 let end_y = Pixels::from(
6056 end_row_in_current_excerpt.as_f64() * ScrollPixelOffset::from(line_height)
6057 - scroll_top,
6058 );
6059
6060 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6061 let highlight_size = size(gutter_strip_width, end_y - start_y);
6062 Bounds::new(highlight_origin, highlight_size)
6063 }
6064 }
6065 }
6066 }
6067
6068 fn paint_gutter_indicators(
6069 &self,
6070 layout: &mut EditorLayout,
6071 window: &mut Window,
6072 cx: &mut App,
6073 ) {
6074 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6075 window.with_element_namespace("crease_toggles", |window| {
6076 for crease_toggle in layout.crease_toggles.iter_mut().flatten() {
6077 crease_toggle.paint(window, cx);
6078 }
6079 });
6080
6081 window.with_element_namespace("expand_toggles", |window| {
6082 for (expand_toggle, _) in layout.expand_toggles.iter_mut().flatten() {
6083 expand_toggle.paint(window, cx);
6084 }
6085 });
6086
6087 for breakpoint in layout.breakpoints.iter_mut() {
6088 breakpoint.paint(window, cx);
6089 }
6090
6091 for test_indicator in layout.test_indicators.iter_mut() {
6092 test_indicator.paint(window, cx);
6093 }
6094 });
6095 }
6096
6097 fn paint_gutter_highlights(
6098 &self,
6099 layout: &mut EditorLayout,
6100 window: &mut Window,
6101 cx: &mut App,
6102 ) {
6103 for (_, hunk_hitbox) in &layout.display_hunks {
6104 if let Some(hunk_hitbox) = hunk_hitbox
6105 && !self
6106 .editor
6107 .read(cx)
6108 .buffer()
6109 .read(cx)
6110 .all_diff_hunks_expanded()
6111 {
6112 window.set_cursor_style(CursorStyle::PointingHand, hunk_hitbox);
6113 }
6114 }
6115
6116 let show_git_gutter = layout
6117 .position_map
6118 .snapshot
6119 .show_git_diff_gutter
6120 .unwrap_or_else(|| {
6121 matches!(
6122 ProjectSettings::get_global(cx).git.git_gutter,
6123 GitGutterSetting::TrackedFiles
6124 )
6125 });
6126 if show_git_gutter {
6127 Self::paint_gutter_diff_hunks(layout, window, cx)
6128 }
6129
6130 let highlight_width = 0.275 * layout.position_map.line_height;
6131 let highlight_corner_radii = Corners::all(0.05 * layout.position_map.line_height);
6132 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6133 for (range, color) in &layout.highlighted_gutter_ranges {
6134 let start_row = if range.start.row() < layout.visible_display_row_range.start {
6135 layout.visible_display_row_range.start - DisplayRow(1)
6136 } else {
6137 range.start.row()
6138 };
6139 let end_row = if range.end.row() > layout.visible_display_row_range.end {
6140 layout.visible_display_row_range.end + DisplayRow(1)
6141 } else {
6142 range.end.row()
6143 };
6144
6145 let start_y = layout.gutter_hitbox.top()
6146 + Pixels::from(
6147 start_row.0 as f64
6148 * ScrollPixelOffset::from(layout.position_map.line_height)
6149 - layout.position_map.scroll_pixel_position.y,
6150 );
6151 let end_y = layout.gutter_hitbox.top()
6152 + Pixels::from(
6153 (end_row.0 + 1) as f64
6154 * ScrollPixelOffset::from(layout.position_map.line_height)
6155 - layout.position_map.scroll_pixel_position.y,
6156 );
6157 let bounds = Bounds::from_corners(
6158 point(layout.gutter_hitbox.left(), start_y),
6159 point(layout.gutter_hitbox.left() + highlight_width, end_y),
6160 );
6161 window.paint_quad(fill(bounds, *color).corner_radii(highlight_corner_radii));
6162 }
6163 });
6164 }
6165
6166 fn paint_blamed_display_rows(
6167 &self,
6168 layout: &mut EditorLayout,
6169 window: &mut Window,
6170 cx: &mut App,
6171 ) {
6172 let Some(blamed_display_rows) = layout.blamed_display_rows.take() else {
6173 return;
6174 };
6175
6176 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6177 for mut blame_element in blamed_display_rows.into_iter() {
6178 blame_element.paint(window, cx);
6179 }
6180 })
6181 }
6182
6183 fn paint_text(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6184 window.with_content_mask(
6185 Some(ContentMask {
6186 bounds: layout.position_map.text_hitbox.bounds,
6187 }),
6188 |window| {
6189 let editor = self.editor.read(cx);
6190 if editor.mouse_cursor_hidden {
6191 window.set_window_cursor_style(CursorStyle::None);
6192 } else if let SelectionDragState::ReadyToDrag {
6193 mouse_down_time, ..
6194 } = &editor.selection_drag_state
6195 {
6196 let drag_and_drop_delay = Duration::from_millis(
6197 EditorSettings::get_global(cx)
6198 .drag_and_drop_selection
6199 .delay
6200 .0,
6201 );
6202 if mouse_down_time.elapsed() >= drag_and_drop_delay {
6203 window.set_cursor_style(
6204 CursorStyle::DragCopy,
6205 &layout.position_map.text_hitbox,
6206 );
6207 }
6208 } else if matches!(
6209 editor.selection_drag_state,
6210 SelectionDragState::Dragging { .. }
6211 ) {
6212 window
6213 .set_cursor_style(CursorStyle::DragCopy, &layout.position_map.text_hitbox);
6214 } else if editor
6215 .hovered_link_state
6216 .as_ref()
6217 .is_some_and(|hovered_link_state| !hovered_link_state.links.is_empty())
6218 {
6219 window.set_cursor_style(
6220 CursorStyle::PointingHand,
6221 &layout.position_map.text_hitbox,
6222 );
6223 } else {
6224 window.set_cursor_style(CursorStyle::IBeam, &layout.position_map.text_hitbox);
6225 };
6226
6227 self.paint_lines_background(layout, window, cx);
6228 let invisible_display_ranges = self.paint_highlights(layout, window, cx);
6229 self.paint_document_colors(layout, window);
6230 self.paint_lines(&invisible_display_ranges, layout, window, cx);
6231 self.paint_redactions(layout, window);
6232 self.paint_cursors(layout, window, cx);
6233 self.paint_inline_diagnostics(layout, window, cx);
6234 self.paint_inline_blame(layout, window, cx);
6235 self.paint_inline_code_actions(layout, window, cx);
6236 self.paint_diff_hunk_controls(layout, window, cx);
6237 window.with_element_namespace("crease_trailers", |window| {
6238 for trailer in layout.crease_trailers.iter_mut().flatten() {
6239 trailer.element.paint(window, cx);
6240 }
6241 });
6242 },
6243 )
6244 }
6245
6246 fn paint_highlights(
6247 &mut self,
6248 layout: &mut EditorLayout,
6249 window: &mut Window,
6250 cx: &mut App,
6251 ) -> SmallVec<[Range<DisplayPoint>; 32]> {
6252 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6253 let mut invisible_display_ranges = SmallVec::<[Range<DisplayPoint>; 32]>::new();
6254 let line_end_overshoot = 0.15 * layout.position_map.line_height;
6255 for (range, color) in &layout.highlighted_ranges {
6256 self.paint_highlighted_range(
6257 range.clone(),
6258 true,
6259 *color,
6260 Pixels::ZERO,
6261 line_end_overshoot,
6262 layout,
6263 window,
6264 );
6265 }
6266
6267 let corner_radius = if EditorSettings::get_global(cx).rounded_selection {
6268 0.15 * layout.position_map.line_height
6269 } else {
6270 Pixels::ZERO
6271 };
6272
6273 for (player_color, selections) in &layout.selections {
6274 for selection in selections.iter() {
6275 self.paint_highlighted_range(
6276 selection.range.clone(),
6277 true,
6278 player_color.selection,
6279 corner_radius,
6280 corner_radius * 2.,
6281 layout,
6282 window,
6283 );
6284
6285 if selection.is_local && !selection.range.is_empty() {
6286 invisible_display_ranges.push(selection.range.clone());
6287 }
6288 }
6289 }
6290 invisible_display_ranges
6291 })
6292 }
6293
6294 fn paint_lines(
6295 &mut self,
6296 invisible_display_ranges: &[Range<DisplayPoint>],
6297 layout: &mut EditorLayout,
6298 window: &mut Window,
6299 cx: &mut App,
6300 ) {
6301 let whitespace_setting = self
6302 .editor
6303 .read(cx)
6304 .buffer
6305 .read(cx)
6306 .language_settings(cx)
6307 .show_whitespaces;
6308
6309 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6310 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6311 line_with_invisibles.draw(
6312 layout,
6313 row,
6314 layout.content_origin,
6315 whitespace_setting,
6316 invisible_display_ranges,
6317 window,
6318 cx,
6319 )
6320 }
6321
6322 for line_element in &mut layout.line_elements {
6323 line_element.paint(window, cx);
6324 }
6325 }
6326
6327 fn paint_lines_background(
6328 &mut self,
6329 layout: &mut EditorLayout,
6330 window: &mut Window,
6331 cx: &mut App,
6332 ) {
6333 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6334 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6335 line_with_invisibles.draw_background(layout, row, layout.content_origin, window, cx);
6336 }
6337 }
6338
6339 fn paint_redactions(&mut self, layout: &EditorLayout, window: &mut Window) {
6340 if layout.redacted_ranges.is_empty() {
6341 return;
6342 }
6343
6344 let line_end_overshoot = layout.line_end_overshoot();
6345
6346 // A softer than perfect black
6347 let redaction_color = gpui::rgb(0x0e1111);
6348
6349 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6350 for range in layout.redacted_ranges.iter() {
6351 self.paint_highlighted_range(
6352 range.clone(),
6353 true,
6354 redaction_color.into(),
6355 Pixels::ZERO,
6356 line_end_overshoot,
6357 layout,
6358 window,
6359 );
6360 }
6361 });
6362 }
6363
6364 fn paint_document_colors(&self, layout: &mut EditorLayout, window: &mut Window) {
6365 let Some((colors_render_mode, image_colors)) = &layout.document_colors else {
6366 return;
6367 };
6368 if image_colors.is_empty()
6369 || colors_render_mode == &DocumentColorsRenderMode::None
6370 || colors_render_mode == &DocumentColorsRenderMode::Inlay
6371 {
6372 return;
6373 }
6374
6375 let line_end_overshoot = layout.line_end_overshoot();
6376
6377 for (range, color) in image_colors {
6378 match colors_render_mode {
6379 DocumentColorsRenderMode::Inlay | DocumentColorsRenderMode::None => return,
6380 DocumentColorsRenderMode::Background => {
6381 self.paint_highlighted_range(
6382 range.clone(),
6383 true,
6384 *color,
6385 Pixels::ZERO,
6386 line_end_overshoot,
6387 layout,
6388 window,
6389 );
6390 }
6391 DocumentColorsRenderMode::Border => {
6392 self.paint_highlighted_range(
6393 range.clone(),
6394 false,
6395 *color,
6396 Pixels::ZERO,
6397 line_end_overshoot,
6398 layout,
6399 window,
6400 );
6401 }
6402 }
6403 }
6404 }
6405
6406 fn paint_cursors(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6407 for cursor in &mut layout.visible_cursors {
6408 cursor.paint(layout.content_origin, window, cx);
6409 }
6410 }
6411
6412 fn paint_scrollbars(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6413 let Some(scrollbars_layout) = layout.scrollbars_layout.take() else {
6414 return;
6415 };
6416 let any_scrollbar_dragged = self.editor.read(cx).scroll_manager.any_scrollbar_dragged();
6417
6418 for (scrollbar_layout, axis) in scrollbars_layout.iter_scrollbars() {
6419 let hitbox = &scrollbar_layout.hitbox;
6420 if scrollbars_layout.visible {
6421 let scrollbar_edges = match axis {
6422 ScrollbarAxis::Horizontal => Edges {
6423 top: Pixels::ZERO,
6424 right: Pixels::ZERO,
6425 bottom: Pixels::ZERO,
6426 left: Pixels::ZERO,
6427 },
6428 ScrollbarAxis::Vertical => Edges {
6429 top: Pixels::ZERO,
6430 right: Pixels::ZERO,
6431 bottom: Pixels::ZERO,
6432 left: ScrollbarLayout::BORDER_WIDTH,
6433 },
6434 };
6435
6436 window.paint_layer(hitbox.bounds, |window| {
6437 window.paint_quad(quad(
6438 hitbox.bounds,
6439 Corners::default(),
6440 cx.theme().colors().scrollbar_track_background,
6441 scrollbar_edges,
6442 cx.theme().colors().scrollbar_track_border,
6443 BorderStyle::Solid,
6444 ));
6445
6446 if axis == ScrollbarAxis::Vertical {
6447 let fast_markers =
6448 self.collect_fast_scrollbar_markers(layout, scrollbar_layout, cx);
6449 // Refresh slow scrollbar markers in the background. Below, we
6450 // paint whatever markers have already been computed.
6451 self.refresh_slow_scrollbar_markers(layout, scrollbar_layout, window, cx);
6452
6453 let markers = self.editor.read(cx).scrollbar_marker_state.markers.clone();
6454 for marker in markers.iter().chain(&fast_markers) {
6455 let mut marker = marker.clone();
6456 marker.bounds.origin += hitbox.origin;
6457 window.paint_quad(marker);
6458 }
6459 }
6460
6461 if let Some(thumb_bounds) = scrollbar_layout.thumb_bounds {
6462 let scrollbar_thumb_color = match scrollbar_layout.thumb_state {
6463 ScrollbarThumbState::Dragging => {
6464 cx.theme().colors().scrollbar_thumb_active_background
6465 }
6466 ScrollbarThumbState::Hovered => {
6467 cx.theme().colors().scrollbar_thumb_hover_background
6468 }
6469 ScrollbarThumbState::Idle => {
6470 cx.theme().colors().scrollbar_thumb_background
6471 }
6472 };
6473 window.paint_quad(quad(
6474 thumb_bounds,
6475 Corners::default(),
6476 scrollbar_thumb_color,
6477 scrollbar_edges,
6478 cx.theme().colors().scrollbar_thumb_border,
6479 BorderStyle::Solid,
6480 ));
6481
6482 if any_scrollbar_dragged {
6483 window.set_window_cursor_style(CursorStyle::Arrow);
6484 } else {
6485 window.set_cursor_style(CursorStyle::Arrow, hitbox);
6486 }
6487 }
6488 })
6489 }
6490 }
6491
6492 window.on_mouse_event({
6493 let editor = self.editor.clone();
6494 let scrollbars_layout = scrollbars_layout.clone();
6495
6496 let mut mouse_position = window.mouse_position();
6497 move |event: &MouseMoveEvent, phase, window, cx| {
6498 if phase == DispatchPhase::Capture {
6499 return;
6500 }
6501
6502 editor.update(cx, |editor, cx| {
6503 if let Some((scrollbar_layout, axis)) = event
6504 .pressed_button
6505 .filter(|button| *button == MouseButton::Left)
6506 .and(editor.scroll_manager.dragging_scrollbar_axis())
6507 .and_then(|axis| {
6508 scrollbars_layout
6509 .iter_scrollbars()
6510 .find(|(_, a)| *a == axis)
6511 })
6512 {
6513 let ScrollbarLayout {
6514 hitbox,
6515 text_unit_size,
6516 ..
6517 } = scrollbar_layout;
6518
6519 let old_position = mouse_position.along(axis);
6520 let new_position = event.position.along(axis);
6521 if (hitbox.origin.along(axis)..hitbox.bottom_right().along(axis))
6522 .contains(&old_position)
6523 {
6524 let position = editor.scroll_position(cx).apply_along(axis, |p| {
6525 (p + ScrollOffset::from(
6526 (new_position - old_position) / *text_unit_size,
6527 ))
6528 .max(0.)
6529 });
6530 editor.set_scroll_position(position, window, cx);
6531 }
6532
6533 editor.scroll_manager.show_scrollbars(window, cx);
6534 cx.stop_propagation();
6535 } else if let Some((layout, axis)) = scrollbars_layout
6536 .get_hovered_axis(window)
6537 .filter(|_| !event.dragging())
6538 {
6539 if layout.thumb_hovered(&event.position) {
6540 editor
6541 .scroll_manager
6542 .set_hovered_scroll_thumb_axis(axis, cx);
6543 } else {
6544 editor.scroll_manager.reset_scrollbar_state(cx);
6545 }
6546
6547 editor.scroll_manager.show_scrollbars(window, cx);
6548 } else {
6549 editor.scroll_manager.reset_scrollbar_state(cx);
6550 }
6551
6552 mouse_position = event.position;
6553 })
6554 }
6555 });
6556
6557 if any_scrollbar_dragged {
6558 window.on_mouse_event({
6559 let editor = self.editor.clone();
6560 move |_: &MouseUpEvent, phase, window, cx| {
6561 if phase == DispatchPhase::Capture {
6562 return;
6563 }
6564
6565 editor.update(cx, |editor, cx| {
6566 if let Some((_, axis)) = scrollbars_layout.get_hovered_axis(window) {
6567 editor
6568 .scroll_manager
6569 .set_hovered_scroll_thumb_axis(axis, cx);
6570 } else {
6571 editor.scroll_manager.reset_scrollbar_state(cx);
6572 }
6573 cx.stop_propagation();
6574 });
6575 }
6576 });
6577 } else {
6578 window.on_mouse_event({
6579 let editor = self.editor.clone();
6580
6581 move |event: &MouseDownEvent, phase, window, cx| {
6582 if phase == DispatchPhase::Capture {
6583 return;
6584 }
6585 let Some((scrollbar_layout, axis)) = scrollbars_layout.get_hovered_axis(window)
6586 else {
6587 return;
6588 };
6589
6590 let ScrollbarLayout {
6591 hitbox,
6592 visible_range,
6593 text_unit_size,
6594 thumb_bounds,
6595 ..
6596 } = scrollbar_layout;
6597
6598 let Some(thumb_bounds) = thumb_bounds else {
6599 return;
6600 };
6601
6602 editor.update(cx, |editor, cx| {
6603 editor
6604 .scroll_manager
6605 .set_dragged_scroll_thumb_axis(axis, cx);
6606
6607 let event_position = event.position.along(axis);
6608
6609 if event_position < thumb_bounds.origin.along(axis)
6610 || thumb_bounds.bottom_right().along(axis) < event_position
6611 {
6612 let center_position = ((event_position - hitbox.origin.along(axis))
6613 / *text_unit_size)
6614 .round() as u32;
6615 let start_position = center_position.saturating_sub(
6616 (visible_range.end - visible_range.start) as u32 / 2,
6617 );
6618
6619 let position = editor
6620 .scroll_position(cx)
6621 .apply_along(axis, |_| start_position as ScrollOffset);
6622
6623 editor.set_scroll_position(position, window, cx);
6624 } else {
6625 editor.scroll_manager.show_scrollbars(window, cx);
6626 }
6627
6628 cx.stop_propagation();
6629 });
6630 }
6631 });
6632 }
6633 }
6634
6635 fn collect_fast_scrollbar_markers(
6636 &self,
6637 layout: &EditorLayout,
6638 scrollbar_layout: &ScrollbarLayout,
6639 cx: &mut App,
6640 ) -> Vec<PaintQuad> {
6641 const LIMIT: usize = 100;
6642 if !EditorSettings::get_global(cx).scrollbar.cursors || layout.cursors.len() > LIMIT {
6643 return vec![];
6644 }
6645 let cursor_ranges = layout
6646 .cursors
6647 .iter()
6648 .map(|(point, color)| ColoredRange {
6649 start: point.row(),
6650 end: point.row(),
6651 color: *color,
6652 })
6653 .collect_vec();
6654 scrollbar_layout.marker_quads_for_ranges(cursor_ranges, None)
6655 }
6656
6657 fn refresh_slow_scrollbar_markers(
6658 &self,
6659 layout: &EditorLayout,
6660 scrollbar_layout: &ScrollbarLayout,
6661 window: &mut Window,
6662 cx: &mut App,
6663 ) {
6664 self.editor.update(cx, |editor, cx| {
6665 if editor.buffer_kind(cx) != ItemBufferKind::Singleton
6666 || !editor
6667 .scrollbar_marker_state
6668 .should_refresh(scrollbar_layout.hitbox.size)
6669 {
6670 return;
6671 }
6672
6673 let scrollbar_layout = scrollbar_layout.clone();
6674 let background_highlights = editor.background_highlights.clone();
6675 let snapshot = layout.position_map.snapshot.clone();
6676 let theme = cx.theme().clone();
6677 let scrollbar_settings = EditorSettings::get_global(cx).scrollbar;
6678
6679 editor.scrollbar_marker_state.dirty = false;
6680 editor.scrollbar_marker_state.pending_refresh =
6681 Some(cx.spawn_in(window, async move |editor, cx| {
6682 let scrollbar_size = scrollbar_layout.hitbox.size;
6683 let scrollbar_markers = cx
6684 .background_spawn(async move {
6685 let max_point = snapshot.display_snapshot.buffer_snapshot().max_point();
6686 let mut marker_quads = Vec::new();
6687 if scrollbar_settings.git_diff {
6688 let marker_row_ranges =
6689 snapshot.buffer_snapshot().diff_hunks().map(|hunk| {
6690 let start_display_row =
6691 MultiBufferPoint::new(hunk.row_range.start.0, 0)
6692 .to_display_point(&snapshot.display_snapshot)
6693 .row();
6694 let mut end_display_row =
6695 MultiBufferPoint::new(hunk.row_range.end.0, 0)
6696 .to_display_point(&snapshot.display_snapshot)
6697 .row();
6698 if end_display_row != start_display_row {
6699 end_display_row.0 -= 1;
6700 }
6701 let color = match &hunk.status().kind {
6702 DiffHunkStatusKind::Added => {
6703 theme.colors().version_control_added
6704 }
6705 DiffHunkStatusKind::Modified => {
6706 theme.colors().version_control_modified
6707 }
6708 DiffHunkStatusKind::Deleted => {
6709 theme.colors().version_control_deleted
6710 }
6711 };
6712 ColoredRange {
6713 start: start_display_row,
6714 end: end_display_row,
6715 color,
6716 }
6717 });
6718
6719 marker_quads.extend(
6720 scrollbar_layout
6721 .marker_quads_for_ranges(marker_row_ranges, Some(0)),
6722 );
6723 }
6724
6725 for (background_highlight_id, (_, background_ranges)) in
6726 background_highlights.iter()
6727 {
6728 let is_search_highlights = *background_highlight_id
6729 == HighlightKey::Type(TypeId::of::<BufferSearchHighlights>());
6730 let is_text_highlights = *background_highlight_id
6731 == HighlightKey::Type(TypeId::of::<SelectedTextHighlight>());
6732 let is_symbol_occurrences = *background_highlight_id
6733 == HighlightKey::Type(TypeId::of::<DocumentHighlightRead>())
6734 || *background_highlight_id
6735 == HighlightKey::Type(
6736 TypeId::of::<DocumentHighlightWrite>(),
6737 );
6738 if (is_search_highlights && scrollbar_settings.search_results)
6739 || (is_text_highlights && scrollbar_settings.selected_text)
6740 || (is_symbol_occurrences && scrollbar_settings.selected_symbol)
6741 {
6742 let mut color = theme.status().info;
6743 if is_symbol_occurrences {
6744 color.fade_out(0.5);
6745 }
6746 let marker_row_ranges = background_ranges.iter().map(|range| {
6747 let display_start = range
6748 .start
6749 .to_display_point(&snapshot.display_snapshot);
6750 let display_end =
6751 range.end.to_display_point(&snapshot.display_snapshot);
6752 ColoredRange {
6753 start: display_start.row(),
6754 end: display_end.row(),
6755 color,
6756 }
6757 });
6758 marker_quads.extend(
6759 scrollbar_layout
6760 .marker_quads_for_ranges(marker_row_ranges, Some(1)),
6761 );
6762 }
6763 }
6764
6765 if scrollbar_settings.diagnostics != ScrollbarDiagnostics::None {
6766 let diagnostics = snapshot
6767 .buffer_snapshot()
6768 .diagnostics_in_range::<Point>(Point::zero()..max_point)
6769 // Don't show diagnostics the user doesn't care about
6770 .filter(|diagnostic| {
6771 match (
6772 scrollbar_settings.diagnostics,
6773 diagnostic.diagnostic.severity,
6774 ) {
6775 (ScrollbarDiagnostics::All, _) => true,
6776 (
6777 ScrollbarDiagnostics::Error,
6778 lsp::DiagnosticSeverity::ERROR,
6779 ) => true,
6780 (
6781 ScrollbarDiagnostics::Warning,
6782 lsp::DiagnosticSeverity::ERROR
6783 | lsp::DiagnosticSeverity::WARNING,
6784 ) => true,
6785 (
6786 ScrollbarDiagnostics::Information,
6787 lsp::DiagnosticSeverity::ERROR
6788 | lsp::DiagnosticSeverity::WARNING
6789 | lsp::DiagnosticSeverity::INFORMATION,
6790 ) => true,
6791 (_, _) => false,
6792 }
6793 })
6794 // We want to sort by severity, in order to paint the most severe diagnostics last.
6795 .sorted_by_key(|diagnostic| {
6796 std::cmp::Reverse(diagnostic.diagnostic.severity)
6797 });
6798
6799 let marker_row_ranges = diagnostics.into_iter().map(|diagnostic| {
6800 let start_display = diagnostic
6801 .range
6802 .start
6803 .to_display_point(&snapshot.display_snapshot);
6804 let end_display = diagnostic
6805 .range
6806 .end
6807 .to_display_point(&snapshot.display_snapshot);
6808 let color = match diagnostic.diagnostic.severity {
6809 lsp::DiagnosticSeverity::ERROR => theme.status().error,
6810 lsp::DiagnosticSeverity::WARNING => theme.status().warning,
6811 lsp::DiagnosticSeverity::INFORMATION => theme.status().info,
6812 _ => theme.status().hint,
6813 };
6814 ColoredRange {
6815 start: start_display.row(),
6816 end: end_display.row(),
6817 color,
6818 }
6819 });
6820 marker_quads.extend(
6821 scrollbar_layout
6822 .marker_quads_for_ranges(marker_row_ranges, Some(2)),
6823 );
6824 }
6825
6826 Arc::from(marker_quads)
6827 })
6828 .await;
6829
6830 editor.update(cx, |editor, cx| {
6831 editor.scrollbar_marker_state.markers = scrollbar_markers;
6832 editor.scrollbar_marker_state.scrollbar_size = scrollbar_size;
6833 editor.scrollbar_marker_state.pending_refresh = None;
6834 cx.notify();
6835 })?;
6836
6837 Ok(())
6838 }));
6839 });
6840 }
6841
6842 fn paint_highlighted_range(
6843 &self,
6844 range: Range<DisplayPoint>,
6845 fill: bool,
6846 color: Hsla,
6847 corner_radius: Pixels,
6848 line_end_overshoot: Pixels,
6849 layout: &EditorLayout,
6850 window: &mut Window,
6851 ) {
6852 let start_row = layout.visible_display_row_range.start;
6853 let end_row = layout.visible_display_row_range.end;
6854 if range.start != range.end {
6855 let row_range = if range.end.column() == 0 {
6856 cmp::max(range.start.row(), start_row)..cmp::min(range.end.row(), end_row)
6857 } else {
6858 cmp::max(range.start.row(), start_row)
6859 ..cmp::min(range.end.row().next_row(), end_row)
6860 };
6861
6862 let highlighted_range = HighlightedRange {
6863 color,
6864 line_height: layout.position_map.line_height,
6865 corner_radius,
6866 start_y: layout.content_origin.y
6867 + Pixels::from(
6868 (row_range.start.as_f64() - layout.position_map.scroll_position.y)
6869 * ScrollOffset::from(layout.position_map.line_height),
6870 ),
6871 lines: row_range
6872 .iter_rows()
6873 .map(|row| {
6874 let line_layout =
6875 &layout.position_map.line_layouts[row.minus(start_row) as usize];
6876 HighlightedRangeLine {
6877 start_x: if row == range.start.row() {
6878 layout.content_origin.x
6879 + Pixels::from(
6880 ScrollPixelOffset::from(
6881 line_layout.x_for_index(range.start.column() as usize),
6882 ) - layout.position_map.scroll_pixel_position.x,
6883 )
6884 } else {
6885 layout.content_origin.x
6886 - Pixels::from(layout.position_map.scroll_pixel_position.x)
6887 },
6888 end_x: if row == range.end.row() {
6889 layout.content_origin.x
6890 + Pixels::from(
6891 ScrollPixelOffset::from(
6892 line_layout.x_for_index(range.end.column() as usize),
6893 ) - layout.position_map.scroll_pixel_position.x,
6894 )
6895 } else {
6896 Pixels::from(
6897 ScrollPixelOffset::from(
6898 layout.content_origin.x
6899 + line_layout.width
6900 + line_end_overshoot,
6901 ) - layout.position_map.scroll_pixel_position.x,
6902 )
6903 },
6904 }
6905 })
6906 .collect(),
6907 };
6908
6909 highlighted_range.paint(fill, layout.position_map.text_hitbox.bounds, window);
6910 }
6911 }
6912
6913 fn paint_inline_diagnostics(
6914 &mut self,
6915 layout: &mut EditorLayout,
6916 window: &mut Window,
6917 cx: &mut App,
6918 ) {
6919 for mut inline_diagnostic in layout.inline_diagnostics.drain() {
6920 inline_diagnostic.1.paint(window, cx);
6921 }
6922 }
6923
6924 fn paint_inline_blame(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6925 if let Some(mut blame_layout) = layout.inline_blame_layout.take() {
6926 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6927 blame_layout.element.paint(window, cx);
6928 })
6929 }
6930 }
6931
6932 fn paint_inline_code_actions(
6933 &mut self,
6934 layout: &mut EditorLayout,
6935 window: &mut Window,
6936 cx: &mut App,
6937 ) {
6938 if let Some(mut inline_code_actions) = layout.inline_code_actions.take() {
6939 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6940 inline_code_actions.paint(window, cx);
6941 })
6942 }
6943 }
6944
6945 fn paint_diff_hunk_controls(
6946 &mut self,
6947 layout: &mut EditorLayout,
6948 window: &mut Window,
6949 cx: &mut App,
6950 ) {
6951 for mut diff_hunk_control in layout.diff_hunk_controls.drain(..) {
6952 diff_hunk_control.paint(window, cx);
6953 }
6954 }
6955
6956 fn paint_minimap(&self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6957 if let Some(mut layout) = layout.minimap.take() {
6958 let minimap_hitbox = layout.thumb_layout.hitbox.clone();
6959 let dragging_minimap = self.editor.read(cx).scroll_manager.is_dragging_minimap();
6960
6961 window.paint_layer(layout.thumb_layout.hitbox.bounds, |window| {
6962 window.with_element_namespace("minimap", |window| {
6963 layout.minimap.paint(window, cx);
6964 if let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds {
6965 let minimap_thumb_color = match layout.thumb_layout.thumb_state {
6966 ScrollbarThumbState::Idle => {
6967 cx.theme().colors().minimap_thumb_background
6968 }
6969 ScrollbarThumbState::Hovered => {
6970 cx.theme().colors().minimap_thumb_hover_background
6971 }
6972 ScrollbarThumbState::Dragging => {
6973 cx.theme().colors().minimap_thumb_active_background
6974 }
6975 };
6976 let minimap_thumb_border = match layout.thumb_border_style {
6977 MinimapThumbBorder::Full => Edges::all(ScrollbarLayout::BORDER_WIDTH),
6978 MinimapThumbBorder::LeftOnly => Edges {
6979 left: ScrollbarLayout::BORDER_WIDTH,
6980 ..Default::default()
6981 },
6982 MinimapThumbBorder::LeftOpen => Edges {
6983 right: ScrollbarLayout::BORDER_WIDTH,
6984 top: ScrollbarLayout::BORDER_WIDTH,
6985 bottom: ScrollbarLayout::BORDER_WIDTH,
6986 ..Default::default()
6987 },
6988 MinimapThumbBorder::RightOpen => Edges {
6989 left: ScrollbarLayout::BORDER_WIDTH,
6990 top: ScrollbarLayout::BORDER_WIDTH,
6991 bottom: ScrollbarLayout::BORDER_WIDTH,
6992 ..Default::default()
6993 },
6994 MinimapThumbBorder::None => Default::default(),
6995 };
6996
6997 window.paint_layer(minimap_hitbox.bounds, |window| {
6998 window.paint_quad(quad(
6999 thumb_bounds,
7000 Corners::default(),
7001 minimap_thumb_color,
7002 minimap_thumb_border,
7003 cx.theme().colors().minimap_thumb_border,
7004 BorderStyle::Solid,
7005 ));
7006 });
7007 }
7008 });
7009 });
7010
7011 if dragging_minimap {
7012 window.set_window_cursor_style(CursorStyle::Arrow);
7013 } else {
7014 window.set_cursor_style(CursorStyle::Arrow, &minimap_hitbox);
7015 }
7016
7017 let minimap_axis = ScrollbarAxis::Vertical;
7018 let pixels_per_line = Pixels::from(
7019 ScrollPixelOffset::from(minimap_hitbox.size.height) / layout.max_scroll_top,
7020 )
7021 .min(layout.minimap_line_height);
7022
7023 let mut mouse_position = window.mouse_position();
7024
7025 window.on_mouse_event({
7026 let editor = self.editor.clone();
7027
7028 let minimap_hitbox = minimap_hitbox.clone();
7029
7030 move |event: &MouseMoveEvent, phase, window, cx| {
7031 if phase == DispatchPhase::Capture {
7032 return;
7033 }
7034
7035 editor.update(cx, |editor, cx| {
7036 if event.pressed_button == Some(MouseButton::Left)
7037 && editor.scroll_manager.is_dragging_minimap()
7038 {
7039 let old_position = mouse_position.along(minimap_axis);
7040 let new_position = event.position.along(minimap_axis);
7041 if (minimap_hitbox.origin.along(minimap_axis)
7042 ..minimap_hitbox.bottom_right().along(minimap_axis))
7043 .contains(&old_position)
7044 {
7045 let position =
7046 editor.scroll_position(cx).apply_along(minimap_axis, |p| {
7047 (p + ScrollPixelOffset::from(
7048 (new_position - old_position) / pixels_per_line,
7049 ))
7050 .max(0.)
7051 });
7052
7053 editor.set_scroll_position(position, window, cx);
7054 }
7055 cx.stop_propagation();
7056 } else if minimap_hitbox.is_hovered(window) {
7057 editor.scroll_manager.set_is_hovering_minimap_thumb(
7058 !event.dragging()
7059 && layout
7060 .thumb_layout
7061 .thumb_bounds
7062 .is_some_and(|bounds| bounds.contains(&event.position)),
7063 cx,
7064 );
7065
7066 // Stop hover events from propagating to the
7067 // underlying editor if the minimap hitbox is hovered
7068 if !event.dragging() {
7069 cx.stop_propagation();
7070 }
7071 } else {
7072 editor.scroll_manager.hide_minimap_thumb(cx);
7073 }
7074 mouse_position = event.position;
7075 });
7076 }
7077 });
7078
7079 if dragging_minimap {
7080 window.on_mouse_event({
7081 let editor = self.editor.clone();
7082 move |event: &MouseUpEvent, phase, window, cx| {
7083 if phase == DispatchPhase::Capture {
7084 return;
7085 }
7086
7087 editor.update(cx, |editor, cx| {
7088 if minimap_hitbox.is_hovered(window) {
7089 editor.scroll_manager.set_is_hovering_minimap_thumb(
7090 layout
7091 .thumb_layout
7092 .thumb_bounds
7093 .is_some_and(|bounds| bounds.contains(&event.position)),
7094 cx,
7095 );
7096 } else {
7097 editor.scroll_manager.hide_minimap_thumb(cx);
7098 }
7099 cx.stop_propagation();
7100 });
7101 }
7102 });
7103 } else {
7104 window.on_mouse_event({
7105 let editor = self.editor.clone();
7106
7107 move |event: &MouseDownEvent, phase, window, cx| {
7108 if phase == DispatchPhase::Capture || !minimap_hitbox.is_hovered(window) {
7109 return;
7110 }
7111
7112 let event_position = event.position;
7113
7114 let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds else {
7115 return;
7116 };
7117
7118 editor.update(cx, |editor, cx| {
7119 if !thumb_bounds.contains(&event_position) {
7120 let click_position =
7121 event_position.relative_to(&minimap_hitbox.origin).y;
7122
7123 let top_position = (click_position
7124 - thumb_bounds.size.along(minimap_axis) / 2.0)
7125 .max(Pixels::ZERO);
7126
7127 let scroll_offset = (layout.minimap_scroll_top
7128 + ScrollPixelOffset::from(
7129 top_position / layout.minimap_line_height,
7130 ))
7131 .min(layout.max_scroll_top);
7132
7133 let scroll_position = editor
7134 .scroll_position(cx)
7135 .apply_along(minimap_axis, |_| scroll_offset);
7136 editor.set_scroll_position(scroll_position, window, cx);
7137 }
7138
7139 editor.scroll_manager.set_is_dragging_minimap(cx);
7140 cx.stop_propagation();
7141 });
7142 }
7143 });
7144 }
7145 }
7146 }
7147
7148 fn paint_blocks(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
7149 for mut block in layout.blocks.drain(..) {
7150 if block.overlaps_gutter {
7151 block.element.paint(window, cx);
7152 } else {
7153 let mut bounds = layout.hitbox.bounds;
7154 bounds.origin.x += layout.gutter_hitbox.bounds.size.width;
7155 window.with_content_mask(Some(ContentMask { bounds }), |window| {
7156 block.element.paint(window, cx);
7157 })
7158 }
7159 }
7160 }
7161
7162 fn paint_edit_prediction_popover(
7163 &mut self,
7164 layout: &mut EditorLayout,
7165 window: &mut Window,
7166 cx: &mut App,
7167 ) {
7168 if let Some(edit_prediction_popover) = layout.edit_prediction_popover.as_mut() {
7169 edit_prediction_popover.paint(window, cx);
7170 }
7171 }
7172
7173 fn paint_mouse_context_menu(
7174 &mut self,
7175 layout: &mut EditorLayout,
7176 window: &mut Window,
7177 cx: &mut App,
7178 ) {
7179 if let Some(mouse_context_menu) = layout.mouse_context_menu.as_mut() {
7180 mouse_context_menu.paint(window, cx);
7181 }
7182 }
7183
7184 fn paint_scroll_wheel_listener(
7185 &mut self,
7186 layout: &EditorLayout,
7187 window: &mut Window,
7188 cx: &mut App,
7189 ) {
7190 window.on_mouse_event({
7191 let position_map = layout.position_map.clone();
7192 let editor = self.editor.clone();
7193 let hitbox = layout.hitbox.clone();
7194 let mut delta = ScrollDelta::default();
7195
7196 // Set a minimum scroll_sensitivity of 0.01 to make sure the user doesn't
7197 // accidentally turn off their scrolling.
7198 let base_scroll_sensitivity =
7199 EditorSettings::get_global(cx).scroll_sensitivity.max(0.01);
7200
7201 // Use a minimum fast_scroll_sensitivity for same reason above
7202 let fast_scroll_sensitivity = EditorSettings::get_global(cx)
7203 .fast_scroll_sensitivity
7204 .max(0.01);
7205
7206 move |event: &ScrollWheelEvent, phase, window, cx| {
7207 let scroll_sensitivity = {
7208 if event.modifiers.alt {
7209 fast_scroll_sensitivity
7210 } else {
7211 base_scroll_sensitivity
7212 }
7213 };
7214
7215 if phase == DispatchPhase::Bubble && hitbox.should_handle_scroll(window) {
7216 delta = delta.coalesce(event.delta);
7217 editor.update(cx, |editor, cx| {
7218 let position_map: &PositionMap = &position_map;
7219
7220 let line_height = position_map.line_height;
7221 let max_glyph_advance = position_map.em_advance;
7222 let (delta, axis) = match delta {
7223 gpui::ScrollDelta::Pixels(mut pixels) => {
7224 //Trackpad
7225 let axis = position_map.snapshot.ongoing_scroll.filter(&mut pixels);
7226 (pixels, axis)
7227 }
7228
7229 gpui::ScrollDelta::Lines(lines) => {
7230 //Not trackpad
7231 let pixels =
7232 point(lines.x * max_glyph_advance, lines.y * line_height);
7233 (pixels, None)
7234 }
7235 };
7236
7237 let current_scroll_position = position_map.snapshot.scroll_position();
7238 let x = (current_scroll_position.x
7239 * ScrollPixelOffset::from(max_glyph_advance)
7240 - ScrollPixelOffset::from(delta.x * scroll_sensitivity))
7241 / ScrollPixelOffset::from(max_glyph_advance);
7242 let y = (current_scroll_position.y * ScrollPixelOffset::from(line_height)
7243 - ScrollPixelOffset::from(delta.y * scroll_sensitivity))
7244 / ScrollPixelOffset::from(line_height);
7245 let mut scroll_position =
7246 point(x, y).clamp(&point(0., 0.), &position_map.scroll_max);
7247 let forbid_vertical_scroll = editor.scroll_manager.forbid_vertical_scroll();
7248 if forbid_vertical_scroll {
7249 scroll_position.y = current_scroll_position.y;
7250 }
7251
7252 if scroll_position != current_scroll_position {
7253 editor.scroll(scroll_position, axis, window, cx);
7254 cx.stop_propagation();
7255 } else if y < 0. {
7256 // Due to clamping, we may fail to detect cases of overscroll to the top;
7257 // We want the scroll manager to get an update in such cases and detect the change of direction
7258 // on the next frame.
7259 cx.notify();
7260 }
7261 });
7262 }
7263 }
7264 });
7265 }
7266
7267 fn paint_mouse_listeners(&mut self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
7268 if layout.mode.is_minimap() {
7269 return;
7270 }
7271
7272 self.paint_scroll_wheel_listener(layout, window, cx);
7273
7274 window.on_mouse_event({
7275 let position_map = layout.position_map.clone();
7276 let editor = self.editor.clone();
7277 let line_numbers = layout.line_numbers.clone();
7278
7279 move |event: &MouseDownEvent, phase, window, cx| {
7280 if phase == DispatchPhase::Bubble {
7281 match event.button {
7282 MouseButton::Left => editor.update(cx, |editor, cx| {
7283 let pending_mouse_down = editor
7284 .pending_mouse_down
7285 .get_or_insert_with(Default::default)
7286 .clone();
7287
7288 *pending_mouse_down.borrow_mut() = Some(event.clone());
7289
7290 Self::mouse_left_down(
7291 editor,
7292 event,
7293 &position_map,
7294 line_numbers.as_ref(),
7295 window,
7296 cx,
7297 );
7298 }),
7299 MouseButton::Right => editor.update(cx, |editor, cx| {
7300 Self::mouse_right_down(editor, event, &position_map, window, cx);
7301 }),
7302 MouseButton::Middle => editor.update(cx, |editor, cx| {
7303 Self::mouse_middle_down(editor, event, &position_map, window, cx);
7304 }),
7305 _ => {}
7306 };
7307 }
7308 }
7309 });
7310
7311 window.on_mouse_event({
7312 let editor = self.editor.clone();
7313 let position_map = layout.position_map.clone();
7314
7315 move |event: &MouseUpEvent, phase, window, cx| {
7316 if phase == DispatchPhase::Bubble {
7317 editor.update(cx, |editor, cx| {
7318 Self::mouse_up(editor, event, &position_map, window, cx)
7319 });
7320 }
7321 }
7322 });
7323
7324 window.on_mouse_event({
7325 let editor = self.editor.clone();
7326 let position_map = layout.position_map.clone();
7327 let mut captured_mouse_down = None;
7328
7329 move |event: &MouseUpEvent, phase, window, cx| match phase {
7330 // Clear the pending mouse down during the capture phase,
7331 // so that it happens even if another event handler stops
7332 // propagation.
7333 DispatchPhase::Capture => editor.update(cx, |editor, _cx| {
7334 let pending_mouse_down = editor
7335 .pending_mouse_down
7336 .get_or_insert_with(Default::default)
7337 .clone();
7338
7339 let mut pending_mouse_down = pending_mouse_down.borrow_mut();
7340 if pending_mouse_down.is_some() && position_map.text_hitbox.is_hovered(window) {
7341 captured_mouse_down = pending_mouse_down.take();
7342 window.refresh();
7343 }
7344 }),
7345 // Fire click handlers during the bubble phase.
7346 DispatchPhase::Bubble => editor.update(cx, |editor, cx| {
7347 if let Some(mouse_down) = captured_mouse_down.take() {
7348 let event = ClickEvent::Mouse(MouseClickEvent {
7349 down: mouse_down,
7350 up: event.clone(),
7351 });
7352 Self::click(editor, &event, &position_map, window, cx);
7353 }
7354 }),
7355 }
7356 });
7357
7358 window.on_mouse_event({
7359 let position_map = layout.position_map.clone();
7360 let editor = self.editor.clone();
7361
7362 move |event: &MouseMoveEvent, phase, window, cx| {
7363 if phase == DispatchPhase::Bubble {
7364 editor.update(cx, |editor, cx| {
7365 if editor.hover_state.focused(window, cx) {
7366 return;
7367 }
7368 if event.pressed_button == Some(MouseButton::Left)
7369 || event.pressed_button == Some(MouseButton::Middle)
7370 {
7371 Self::mouse_dragged(editor, event, &position_map, window, cx)
7372 }
7373
7374 Self::mouse_moved(editor, event, &position_map, window, cx)
7375 });
7376 }
7377 }
7378 });
7379 }
7380
7381 fn column_pixels(&self, column: usize, window: &Window) -> Pixels {
7382 let style = &self.style;
7383 let font_size = style.text.font_size.to_pixels(window.rem_size());
7384 let layout = window.text_system().shape_line(
7385 SharedString::from(" ".repeat(column)),
7386 font_size,
7387 &[TextRun {
7388 len: column,
7389 font: style.text.font(),
7390 color: Hsla::default(),
7391 background_color: None,
7392 underline: None,
7393 strikethrough: None,
7394 }],
7395 None,
7396 );
7397
7398 layout.width
7399 }
7400
7401 fn max_line_number_width(&self, snapshot: &EditorSnapshot, window: &mut Window) -> Pixels {
7402 let digit_count = snapshot.widest_line_number().ilog10() + 1;
7403 self.column_pixels(digit_count as usize, window)
7404 }
7405
7406 fn shape_line_number(
7407 &self,
7408 text: SharedString,
7409 color: Hsla,
7410 window: &mut Window,
7411 ) -> ShapedLine {
7412 let run = TextRun {
7413 len: text.len(),
7414 font: self.style.text.font(),
7415 color,
7416 background_color: None,
7417 underline: None,
7418 strikethrough: None,
7419 };
7420 window.text_system().shape_line(
7421 text,
7422 self.style.text.font_size.to_pixels(window.rem_size()),
7423 &[run],
7424 None,
7425 )
7426 }
7427
7428 fn diff_hunk_hollow(status: DiffHunkStatus, cx: &mut App) -> bool {
7429 let unstaged = status.has_secondary_hunk();
7430 let unstaged_hollow = matches!(
7431 ProjectSettings::get_global(cx).git.hunk_style,
7432 GitHunkStyleSetting::UnstagedHollow
7433 );
7434
7435 unstaged == unstaged_hollow
7436 }
7437
7438 #[cfg(debug_assertions)]
7439 fn layout_debug_ranges(
7440 selections: &mut Vec<(PlayerColor, Vec<SelectionLayout>)>,
7441 anchor_range: Range<Anchor>,
7442 display_snapshot: &DisplaySnapshot,
7443 cx: &App,
7444 ) {
7445 let theme = cx.theme();
7446 text::debug::GlobalDebugRanges::with_locked(|debug_ranges| {
7447 if debug_ranges.ranges.is_empty() {
7448 return;
7449 }
7450 let buffer_snapshot = &display_snapshot.buffer_snapshot();
7451 for (buffer, buffer_range, excerpt_id) in
7452 buffer_snapshot.range_to_buffer_ranges(anchor_range)
7453 {
7454 let buffer_range =
7455 buffer.anchor_after(buffer_range.start)..buffer.anchor_before(buffer_range.end);
7456 selections.extend(debug_ranges.ranges.iter().flat_map(|debug_range| {
7457 let player_color = theme
7458 .players()
7459 .color_for_participant(debug_range.occurrence_index as u32 + 1);
7460 debug_range.ranges.iter().filter_map(move |range| {
7461 if range.start.buffer_id != Some(buffer.remote_id()) {
7462 return None;
7463 }
7464 let clipped_start = range.start.max(&buffer_range.start, buffer);
7465 let clipped_end = range.end.min(&buffer_range.end, buffer);
7466 let range = buffer_snapshot
7467 .anchor_range_in_excerpt(excerpt_id, *clipped_start..*clipped_end)?;
7468 let start = range.start.to_display_point(display_snapshot);
7469 let end = range.end.to_display_point(display_snapshot);
7470 let selection_layout = SelectionLayout {
7471 head: start,
7472 range: start..end,
7473 cursor_shape: CursorShape::Bar,
7474 is_newest: false,
7475 is_local: false,
7476 active_rows: start.row()..end.row(),
7477 user_name: Some(SharedString::new(debug_range.value.clone())),
7478 };
7479 Some((player_color, vec![selection_layout]))
7480 })
7481 }));
7482 }
7483 });
7484 }
7485}
7486
7487fn header_jump_data(
7488 snapshot: &EditorSnapshot,
7489 block_row_start: DisplayRow,
7490 height: u32,
7491 for_excerpt: &ExcerptInfo,
7492) -> JumpData {
7493 let range = &for_excerpt.range;
7494 let buffer = &for_excerpt.buffer;
7495 let jump_anchor = range.primary.start;
7496
7497 let excerpt_start = range.context.start;
7498 let jump_position = language::ToPoint::to_point(&jump_anchor, buffer);
7499 let rows_from_excerpt_start = if jump_anchor == excerpt_start {
7500 0
7501 } else {
7502 let excerpt_start_point = language::ToPoint::to_point(&excerpt_start, buffer);
7503 jump_position.row.saturating_sub(excerpt_start_point.row)
7504 };
7505
7506 let line_offset_from_top = (block_row_start.0 + height + rows_from_excerpt_start)
7507 .saturating_sub(
7508 snapshot
7509 .scroll_anchor
7510 .scroll_position(&snapshot.display_snapshot)
7511 .y as u32,
7512 );
7513
7514 JumpData::MultiBufferPoint {
7515 excerpt_id: for_excerpt.id,
7516 anchor: jump_anchor,
7517 position: jump_position,
7518 line_offset_from_top,
7519 }
7520}
7521
7522pub struct AcceptEditPredictionBinding(pub(crate) Option<gpui::KeyBinding>);
7523
7524impl AcceptEditPredictionBinding {
7525 pub fn keystroke(&self) -> Option<&KeybindingKeystroke> {
7526 if let Some(binding) = self.0.as_ref() {
7527 match &binding.keystrokes() {
7528 [keystroke, ..] => Some(keystroke),
7529 _ => None,
7530 }
7531 } else {
7532 None
7533 }
7534 }
7535}
7536
7537fn prepaint_gutter_button(
7538 button: IconButton,
7539 row: DisplayRow,
7540 line_height: Pixels,
7541 gutter_dimensions: &GutterDimensions,
7542 scroll_position: gpui::Point<ScrollOffset>,
7543 gutter_hitbox: &Hitbox,
7544 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
7545 window: &mut Window,
7546 cx: &mut App,
7547) -> AnyElement {
7548 let mut button = button.into_any_element();
7549
7550 let available_space = size(
7551 AvailableSpace::MinContent,
7552 AvailableSpace::Definite(line_height),
7553 );
7554 let indicator_size = button.layout_as_root(available_space, window, cx);
7555
7556 let blame_width = gutter_dimensions.git_blame_entries_width;
7557 let gutter_width = display_hunks
7558 .binary_search_by(|(hunk, _)| match hunk {
7559 DisplayDiffHunk::Folded { display_row } => display_row.cmp(&row),
7560 DisplayDiffHunk::Unfolded {
7561 display_row_range, ..
7562 } => {
7563 if display_row_range.end <= row {
7564 Ordering::Less
7565 } else if display_row_range.start > row {
7566 Ordering::Greater
7567 } else {
7568 Ordering::Equal
7569 }
7570 }
7571 })
7572 .ok()
7573 .and_then(|ix| Some(display_hunks[ix].1.as_ref()?.size.width));
7574 let left_offset = blame_width.max(gutter_width).unwrap_or_default();
7575
7576 let mut x = left_offset;
7577 let available_width = gutter_dimensions.margin + gutter_dimensions.left_padding
7578 - indicator_size.width
7579 - left_offset;
7580 x += available_width / 2.;
7581
7582 let mut y =
7583 Pixels::from((row.as_f64() - scroll_position.y) * ScrollPixelOffset::from(line_height));
7584 y += (line_height - indicator_size.height) / 2.;
7585
7586 button.prepaint_as_root(
7587 gutter_hitbox.origin + point(x, y),
7588 available_space,
7589 window,
7590 cx,
7591 );
7592 button
7593}
7594
7595fn render_inline_blame_entry(
7596 blame_entry: BlameEntry,
7597 style: &EditorStyle,
7598 cx: &mut App,
7599) -> Option<AnyElement> {
7600 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7601 renderer.render_inline_blame_entry(&style.text, blame_entry, cx)
7602}
7603
7604fn render_blame_entry_popover(
7605 blame_entry: BlameEntry,
7606 scroll_handle: ScrollHandle,
7607 commit_message: Option<ParsedCommitMessage>,
7608 markdown: Entity<Markdown>,
7609 workspace: WeakEntity<Workspace>,
7610 blame: &Entity<GitBlame>,
7611 buffer: BufferId,
7612 window: &mut Window,
7613 cx: &mut App,
7614) -> Option<AnyElement> {
7615 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7616 let blame = blame.read(cx);
7617 let repository = blame.repository(cx, buffer)?;
7618 renderer.render_blame_entry_popover(
7619 blame_entry,
7620 scroll_handle,
7621 commit_message,
7622 markdown,
7623 repository,
7624 workspace,
7625 window,
7626 cx,
7627 )
7628}
7629
7630fn render_blame_entry(
7631 ix: usize,
7632 blame: &Entity<GitBlame>,
7633 blame_entry: BlameEntry,
7634 style: &EditorStyle,
7635 last_used_color: &mut Option<(Hsla, Oid)>,
7636 editor: Entity<Editor>,
7637 workspace: Entity<Workspace>,
7638 buffer: BufferId,
7639 renderer: &dyn BlameRenderer,
7640 window: &mut Window,
7641 cx: &mut App,
7642) -> Option<AnyElement> {
7643 let index: u32 = blame_entry.sha.into();
7644 let mut sha_color = cx.theme().players().color_for_participant(index).cursor;
7645
7646 // If the last color we used is the same as the one we get for this line, but
7647 // the commit SHAs are different, then we try again to get a different color.
7648 if let Some((color, sha)) = *last_used_color
7649 && sha != blame_entry.sha
7650 && color == sha_color
7651 {
7652 sha_color = cx.theme().players().color_for_participant(index + 1).cursor;
7653 }
7654 last_used_color.replace((sha_color, blame_entry.sha));
7655
7656 let blame = blame.read(cx);
7657 let details = blame.details_for_entry(buffer, &blame_entry);
7658 let repository = blame.repository(cx, buffer)?;
7659 renderer.render_blame_entry(
7660 &style.text,
7661 blame_entry,
7662 details,
7663 repository,
7664 workspace.downgrade(),
7665 editor,
7666 ix,
7667 sha_color,
7668 window,
7669 cx,
7670 )
7671}
7672
7673#[derive(Debug)]
7674pub(crate) struct LineWithInvisibles {
7675 fragments: SmallVec<[LineFragment; 1]>,
7676 invisibles: Vec<Invisible>,
7677 len: usize,
7678 pub(crate) width: Pixels,
7679 font_size: Pixels,
7680}
7681
7682enum LineFragment {
7683 Text(ShapedLine),
7684 Element {
7685 id: ChunkRendererId,
7686 element: Option<AnyElement>,
7687 size: Size<Pixels>,
7688 len: usize,
7689 },
7690}
7691
7692impl fmt::Debug for LineFragment {
7693 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
7694 match self {
7695 LineFragment::Text(shaped_line) => f.debug_tuple("Text").field(shaped_line).finish(),
7696 LineFragment::Element { size, len, .. } => f
7697 .debug_struct("Element")
7698 .field("size", size)
7699 .field("len", len)
7700 .finish(),
7701 }
7702 }
7703}
7704
7705impl LineWithInvisibles {
7706 fn from_chunks<'a>(
7707 chunks: impl Iterator<Item = HighlightedChunk<'a>>,
7708 editor_style: &EditorStyle,
7709 max_line_len: usize,
7710 max_line_count: usize,
7711 editor_mode: &EditorMode,
7712 text_width: Pixels,
7713 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
7714 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
7715 window: &mut Window,
7716 cx: &mut App,
7717 ) -> Vec<Self> {
7718 let text_style = &editor_style.text;
7719 let mut layouts = Vec::with_capacity(max_line_count);
7720 let mut fragments: SmallVec<[LineFragment; 1]> = SmallVec::new();
7721 let mut line = String::new();
7722 let mut invisibles = Vec::new();
7723 let mut width = Pixels::ZERO;
7724 let mut len = 0;
7725 let mut styles = Vec::new();
7726 let mut non_whitespace_added = false;
7727 let mut row = 0;
7728 let mut line_exceeded_max_len = false;
7729 let font_size = text_style.font_size.to_pixels(window.rem_size());
7730 let min_contrast = EditorSettings::get_global(cx).minimum_contrast_for_highlights;
7731
7732 let ellipsis = SharedString::from("β―");
7733
7734 for highlighted_chunk in chunks.chain([HighlightedChunk {
7735 text: "\n",
7736 style: None,
7737 is_tab: false,
7738 is_inlay: false,
7739 replacement: None,
7740 }]) {
7741 if let Some(replacement) = highlighted_chunk.replacement {
7742 if !line.is_empty() {
7743 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7744 let text_runs: &[TextRun] = if segments.is_empty() {
7745 &styles
7746 } else {
7747 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
7748 };
7749 let shaped_line = window.text_system().shape_line(
7750 line.clone().into(),
7751 font_size,
7752 text_runs,
7753 None,
7754 );
7755 width += shaped_line.width;
7756 len += shaped_line.len;
7757 fragments.push(LineFragment::Text(shaped_line));
7758 line.clear();
7759 styles.clear();
7760 }
7761
7762 match replacement {
7763 ChunkReplacement::Renderer(renderer) => {
7764 let available_width = if renderer.constrain_width {
7765 let chunk = if highlighted_chunk.text == ellipsis.as_ref() {
7766 ellipsis.clone()
7767 } else {
7768 SharedString::from(Arc::from(highlighted_chunk.text))
7769 };
7770 let shaped_line = window.text_system().shape_line(
7771 chunk,
7772 font_size,
7773 &[text_style.to_run(highlighted_chunk.text.len())],
7774 None,
7775 );
7776 AvailableSpace::Definite(shaped_line.width)
7777 } else {
7778 AvailableSpace::MinContent
7779 };
7780
7781 let mut element = (renderer.render)(&mut ChunkRendererContext {
7782 context: cx,
7783 window,
7784 max_width: text_width,
7785 });
7786 let line_height = text_style.line_height_in_pixels(window.rem_size());
7787 let size = element.layout_as_root(
7788 size(available_width, AvailableSpace::Definite(line_height)),
7789 window,
7790 cx,
7791 );
7792
7793 width += size.width;
7794 len += highlighted_chunk.text.len();
7795 fragments.push(LineFragment::Element {
7796 id: renderer.id,
7797 element: Some(element),
7798 size,
7799 len: highlighted_chunk.text.len(),
7800 });
7801 }
7802 ChunkReplacement::Str(x) => {
7803 let text_style = if let Some(style) = highlighted_chunk.style {
7804 Cow::Owned(text_style.clone().highlight(style))
7805 } else {
7806 Cow::Borrowed(text_style)
7807 };
7808
7809 let run = TextRun {
7810 len: x.len(),
7811 font: text_style.font(),
7812 color: text_style.color,
7813 background_color: text_style.background_color,
7814 underline: text_style.underline,
7815 strikethrough: text_style.strikethrough,
7816 };
7817 let line_layout = window
7818 .text_system()
7819 .shape_line(x, font_size, &[run], None)
7820 .with_len(highlighted_chunk.text.len());
7821
7822 width += line_layout.width;
7823 len += highlighted_chunk.text.len();
7824 fragments.push(LineFragment::Text(line_layout))
7825 }
7826 }
7827 } else {
7828 for (ix, mut line_chunk) in highlighted_chunk.text.split('\n').enumerate() {
7829 if ix > 0 {
7830 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7831 let text_runs = if segments.is_empty() {
7832 &styles
7833 } else {
7834 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
7835 };
7836 let shaped_line = window.text_system().shape_line(
7837 line.clone().into(),
7838 font_size,
7839 text_runs,
7840 None,
7841 );
7842 width += shaped_line.width;
7843 len += shaped_line.len;
7844 fragments.push(LineFragment::Text(shaped_line));
7845 layouts.push(Self {
7846 width: mem::take(&mut width),
7847 len: mem::take(&mut len),
7848 fragments: mem::take(&mut fragments),
7849 invisibles: std::mem::take(&mut invisibles),
7850 font_size,
7851 });
7852
7853 line.clear();
7854 styles.clear();
7855 row += 1;
7856 line_exceeded_max_len = false;
7857 non_whitespace_added = false;
7858 if row == max_line_count {
7859 return layouts;
7860 }
7861 }
7862
7863 if !line_chunk.is_empty() && !line_exceeded_max_len {
7864 let text_style = if let Some(style) = highlighted_chunk.style {
7865 Cow::Owned(text_style.clone().highlight(style))
7866 } else {
7867 Cow::Borrowed(text_style)
7868 };
7869
7870 if line.len() + line_chunk.len() > max_line_len {
7871 let mut chunk_len = max_line_len - line.len();
7872 while !line_chunk.is_char_boundary(chunk_len) {
7873 chunk_len -= 1;
7874 }
7875 line_chunk = &line_chunk[..chunk_len];
7876 line_exceeded_max_len = true;
7877 }
7878
7879 styles.push(TextRun {
7880 len: line_chunk.len(),
7881 font: text_style.font(),
7882 color: text_style.color,
7883 background_color: text_style.background_color,
7884 underline: text_style.underline,
7885 strikethrough: text_style.strikethrough,
7886 });
7887
7888 if editor_mode.is_full() && !highlighted_chunk.is_inlay {
7889 // Line wrap pads its contents with fake whitespaces,
7890 // avoid printing them
7891 let is_soft_wrapped = is_row_soft_wrapped(row);
7892 if highlighted_chunk.is_tab {
7893 if non_whitespace_added || !is_soft_wrapped {
7894 invisibles.push(Invisible::Tab {
7895 line_start_offset: line.len(),
7896 line_end_offset: line.len() + line_chunk.len(),
7897 });
7898 }
7899 } else {
7900 invisibles.extend(line_chunk.char_indices().filter_map(
7901 |(index, c)| {
7902 let is_whitespace = c.is_whitespace();
7903 non_whitespace_added |= !is_whitespace;
7904 if is_whitespace
7905 && (non_whitespace_added || !is_soft_wrapped)
7906 {
7907 Some(Invisible::Whitespace {
7908 line_offset: line.len() + index,
7909 })
7910 } else {
7911 None
7912 }
7913 },
7914 ))
7915 }
7916 }
7917
7918 line.push_str(line_chunk);
7919 }
7920 }
7921 }
7922 }
7923
7924 layouts
7925 }
7926
7927 /// Takes text runs and non-overlapping left-to-right background ranges with color.
7928 /// Returns new text runs with adjusted contrast as per background ranges.
7929 fn split_runs_by_bg_segments(
7930 text_runs: &[TextRun],
7931 bg_segments: &[(Range<DisplayPoint>, Hsla)],
7932 min_contrast: f32,
7933 start_col_offset: usize,
7934 ) -> Vec<TextRun> {
7935 let mut output_runs: Vec<TextRun> = Vec::with_capacity(text_runs.len());
7936 let mut line_col = start_col_offset;
7937 let mut segment_ix = 0usize;
7938
7939 for text_run in text_runs.iter() {
7940 let run_start_col = line_col;
7941 let run_end_col = run_start_col + text_run.len;
7942 while segment_ix < bg_segments.len()
7943 && (bg_segments[segment_ix].0.end.column() as usize) <= run_start_col
7944 {
7945 segment_ix += 1;
7946 }
7947 let mut cursor_col = run_start_col;
7948 let mut local_segment_ix = segment_ix;
7949 while local_segment_ix < bg_segments.len() {
7950 let (range, segment_color) = &bg_segments[local_segment_ix];
7951 let segment_start_col = range.start.column() as usize;
7952 let segment_end_col = range.end.column() as usize;
7953 if segment_start_col >= run_end_col {
7954 break;
7955 }
7956 if segment_start_col > cursor_col {
7957 let span_len = segment_start_col - cursor_col;
7958 output_runs.push(TextRun {
7959 len: span_len,
7960 font: text_run.font.clone(),
7961 color: text_run.color,
7962 background_color: text_run.background_color,
7963 underline: text_run.underline,
7964 strikethrough: text_run.strikethrough,
7965 });
7966 cursor_col = segment_start_col;
7967 }
7968 let segment_slice_end_col = segment_end_col.min(run_end_col);
7969 if segment_slice_end_col > cursor_col {
7970 let new_text_color =
7971 ensure_minimum_contrast(text_run.color, *segment_color, min_contrast);
7972 output_runs.push(TextRun {
7973 len: segment_slice_end_col - cursor_col,
7974 font: text_run.font.clone(),
7975 color: new_text_color,
7976 background_color: text_run.background_color,
7977 underline: text_run.underline,
7978 strikethrough: text_run.strikethrough,
7979 });
7980 cursor_col = segment_slice_end_col;
7981 }
7982 if segment_end_col >= run_end_col {
7983 break;
7984 }
7985 local_segment_ix += 1;
7986 }
7987 if cursor_col < run_end_col {
7988 output_runs.push(TextRun {
7989 len: run_end_col - cursor_col,
7990 font: text_run.font.clone(),
7991 color: text_run.color,
7992 background_color: text_run.background_color,
7993 underline: text_run.underline,
7994 strikethrough: text_run.strikethrough,
7995 });
7996 }
7997 line_col = run_end_col;
7998 segment_ix = local_segment_ix;
7999 }
8000 output_runs
8001 }
8002
8003 fn prepaint(
8004 &mut self,
8005 line_height: Pixels,
8006 scroll_position: gpui::Point<ScrollOffset>,
8007 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
8008 row: DisplayRow,
8009 content_origin: gpui::Point<Pixels>,
8010 line_elements: &mut SmallVec<[AnyElement; 1]>,
8011 window: &mut Window,
8012 cx: &mut App,
8013 ) {
8014 let line_y = f32::from(line_height) * Pixels::from(row.as_f64() - scroll_position.y);
8015 let mut fragment_origin =
8016 content_origin + gpui::point(Pixels::from(-scroll_pixel_position.x), line_y);
8017 for fragment in &mut self.fragments {
8018 match fragment {
8019 LineFragment::Text(line) => {
8020 fragment_origin.x += line.width;
8021 }
8022 LineFragment::Element { element, size, .. } => {
8023 let mut element = element
8024 .take()
8025 .expect("you can't prepaint LineWithInvisibles twice");
8026
8027 // Center the element vertically within the line.
8028 let mut element_origin = fragment_origin;
8029 element_origin.y += (line_height - size.height) / 2.;
8030 element.prepaint_at(element_origin, window, cx);
8031 line_elements.push(element);
8032
8033 fragment_origin.x += size.width;
8034 }
8035 }
8036 }
8037 }
8038
8039 fn draw(
8040 &self,
8041 layout: &EditorLayout,
8042 row: DisplayRow,
8043 content_origin: gpui::Point<Pixels>,
8044 whitespace_setting: ShowWhitespaceSetting,
8045 selection_ranges: &[Range<DisplayPoint>],
8046 window: &mut Window,
8047 cx: &mut App,
8048 ) {
8049 let line_height = layout.position_map.line_height;
8050 let line_y = line_height * (row.as_f64() - layout.position_map.scroll_position.y) as f32;
8051
8052 let mut fragment_origin = content_origin
8053 + gpui::point(
8054 Pixels::from(-layout.position_map.scroll_pixel_position.x),
8055 line_y,
8056 );
8057
8058 for fragment in &self.fragments {
8059 match fragment {
8060 LineFragment::Text(line) => {
8061 line.paint(fragment_origin, line_height, window, cx)
8062 .log_err();
8063 fragment_origin.x += line.width;
8064 }
8065 LineFragment::Element { size, .. } => {
8066 fragment_origin.x += size.width;
8067 }
8068 }
8069 }
8070
8071 self.draw_invisibles(
8072 selection_ranges,
8073 layout,
8074 content_origin,
8075 line_y,
8076 row,
8077 line_height,
8078 whitespace_setting,
8079 window,
8080 cx,
8081 );
8082 }
8083
8084 fn draw_background(
8085 &self,
8086 layout: &EditorLayout,
8087 row: DisplayRow,
8088 content_origin: gpui::Point<Pixels>,
8089 window: &mut Window,
8090 cx: &mut App,
8091 ) {
8092 let line_height = layout.position_map.line_height;
8093 let line_y = line_height * (row.as_f64() - layout.position_map.scroll_position.y) as f32;
8094
8095 let mut fragment_origin = content_origin
8096 + gpui::point(
8097 Pixels::from(-layout.position_map.scroll_pixel_position.x),
8098 line_y,
8099 );
8100
8101 for fragment in &self.fragments {
8102 match fragment {
8103 LineFragment::Text(line) => {
8104 line.paint_background(fragment_origin, line_height, window, cx)
8105 .log_err();
8106 fragment_origin.x += line.width;
8107 }
8108 LineFragment::Element { size, .. } => {
8109 fragment_origin.x += size.width;
8110 }
8111 }
8112 }
8113 }
8114
8115 fn draw_invisibles(
8116 &self,
8117 selection_ranges: &[Range<DisplayPoint>],
8118 layout: &EditorLayout,
8119 content_origin: gpui::Point<Pixels>,
8120 line_y: Pixels,
8121 row: DisplayRow,
8122 line_height: Pixels,
8123 whitespace_setting: ShowWhitespaceSetting,
8124 window: &mut Window,
8125 cx: &mut App,
8126 ) {
8127 let extract_whitespace_info = |invisible: &Invisible| {
8128 let (token_offset, token_end_offset, invisible_symbol) = match invisible {
8129 Invisible::Tab {
8130 line_start_offset,
8131 line_end_offset,
8132 } => (*line_start_offset, *line_end_offset, &layout.tab_invisible),
8133 Invisible::Whitespace { line_offset } => {
8134 (*line_offset, line_offset + 1, &layout.space_invisible)
8135 }
8136 };
8137
8138 let x_offset: ScrollPixelOffset = self.x_for_index(token_offset).into();
8139 let invisible_offset: ScrollPixelOffset =
8140 ((layout.position_map.em_width - invisible_symbol.width).max(Pixels::ZERO) / 2.0)
8141 .into();
8142 let origin = content_origin
8143 + gpui::point(
8144 Pixels::from(
8145 x_offset + invisible_offset - layout.position_map.scroll_pixel_position.x,
8146 ),
8147 line_y,
8148 );
8149
8150 (
8151 [token_offset, token_end_offset],
8152 Box::new(move |window: &mut Window, cx: &mut App| {
8153 invisible_symbol
8154 .paint(origin, line_height, window, cx)
8155 .log_err();
8156 }),
8157 )
8158 };
8159
8160 let invisible_iter = self.invisibles.iter().map(extract_whitespace_info);
8161 match whitespace_setting {
8162 ShowWhitespaceSetting::None => (),
8163 ShowWhitespaceSetting::All => invisible_iter.for_each(|(_, paint)| paint(window, cx)),
8164 ShowWhitespaceSetting::Selection => invisible_iter.for_each(|([start, _], paint)| {
8165 let invisible_point = DisplayPoint::new(row, start as u32);
8166 if !selection_ranges
8167 .iter()
8168 .any(|region| region.start <= invisible_point && invisible_point < region.end)
8169 {
8170 return;
8171 }
8172
8173 paint(window, cx);
8174 }),
8175
8176 ShowWhitespaceSetting::Trailing => {
8177 let mut previous_start = self.len;
8178 for ([start, end], paint) in invisible_iter.rev() {
8179 if previous_start != end {
8180 break;
8181 }
8182 previous_start = start;
8183 paint(window, cx);
8184 }
8185 }
8186
8187 // For a whitespace to be on a boundary, any of the following conditions need to be met:
8188 // - It is a tab
8189 // - It is adjacent to an edge (start or end)
8190 // - It is adjacent to a whitespace (left or right)
8191 ShowWhitespaceSetting::Boundary => {
8192 // 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
8193 // the above cases.
8194 // Note: We zip in the original `invisibles` to check for tab equality
8195 let mut last_seen: Option<(bool, usize, Box<dyn Fn(&mut Window, &mut App)>)> = None;
8196 for (([start, end], paint), invisible) in
8197 invisible_iter.zip_eq(self.invisibles.iter())
8198 {
8199 let should_render = match (&last_seen, invisible) {
8200 (_, Invisible::Tab { .. }) => true,
8201 (Some((_, last_end, _)), _) => *last_end == start,
8202 _ => false,
8203 };
8204
8205 if should_render || start == 0 || end == self.len {
8206 paint(window, cx);
8207
8208 // Since we are scanning from the left, we will skip over the first available whitespace that is part
8209 // of a boundary between non-whitespace segments, so we correct by manually redrawing it if needed.
8210 if let Some((should_render_last, last_end, paint_last)) = last_seen {
8211 // Note that we need to make sure that the last one is actually adjacent
8212 if !should_render_last && last_end == start {
8213 paint_last(window, cx);
8214 }
8215 }
8216 }
8217
8218 // Manually render anything within a selection
8219 let invisible_point = DisplayPoint::new(row, start as u32);
8220 if selection_ranges.iter().any(|region| {
8221 region.start <= invisible_point && invisible_point < region.end
8222 }) {
8223 paint(window, cx);
8224 }
8225
8226 last_seen = Some((should_render, end, paint));
8227 }
8228 }
8229 }
8230 }
8231
8232 pub fn x_for_index(&self, index: usize) -> Pixels {
8233 let mut fragment_start_x = Pixels::ZERO;
8234 let mut fragment_start_index = 0;
8235
8236 for fragment in &self.fragments {
8237 match fragment {
8238 LineFragment::Text(shaped_line) => {
8239 let fragment_end_index = fragment_start_index + shaped_line.len;
8240 if index < fragment_end_index {
8241 return fragment_start_x
8242 + shaped_line.x_for_index(index - fragment_start_index);
8243 }
8244 fragment_start_x += shaped_line.width;
8245 fragment_start_index = fragment_end_index;
8246 }
8247 LineFragment::Element { len, size, .. } => {
8248 let fragment_end_index = fragment_start_index + len;
8249 if index < fragment_end_index {
8250 return fragment_start_x;
8251 }
8252 fragment_start_x += size.width;
8253 fragment_start_index = fragment_end_index;
8254 }
8255 }
8256 }
8257
8258 fragment_start_x
8259 }
8260
8261 pub fn index_for_x(&self, x: Pixels) -> Option<usize> {
8262 let mut fragment_start_x = Pixels::ZERO;
8263 let mut fragment_start_index = 0;
8264
8265 for fragment in &self.fragments {
8266 match fragment {
8267 LineFragment::Text(shaped_line) => {
8268 let fragment_end_x = fragment_start_x + shaped_line.width;
8269 if x < fragment_end_x {
8270 return Some(
8271 fragment_start_index + shaped_line.index_for_x(x - fragment_start_x)?,
8272 );
8273 }
8274 fragment_start_x = fragment_end_x;
8275 fragment_start_index += shaped_line.len;
8276 }
8277 LineFragment::Element { len, size, .. } => {
8278 let fragment_end_x = fragment_start_x + size.width;
8279 if x < fragment_end_x {
8280 return Some(fragment_start_index);
8281 }
8282 fragment_start_index += len;
8283 fragment_start_x = fragment_end_x;
8284 }
8285 }
8286 }
8287
8288 None
8289 }
8290
8291 pub fn font_id_for_index(&self, index: usize) -> Option<FontId> {
8292 let mut fragment_start_index = 0;
8293
8294 for fragment in &self.fragments {
8295 match fragment {
8296 LineFragment::Text(shaped_line) => {
8297 let fragment_end_index = fragment_start_index + shaped_line.len;
8298 if index < fragment_end_index {
8299 return shaped_line.font_id_for_index(index - fragment_start_index);
8300 }
8301 fragment_start_index = fragment_end_index;
8302 }
8303 LineFragment::Element { len, .. } => {
8304 let fragment_end_index = fragment_start_index + len;
8305 if index < fragment_end_index {
8306 return None;
8307 }
8308 fragment_start_index = fragment_end_index;
8309 }
8310 }
8311 }
8312
8313 None
8314 }
8315}
8316
8317#[derive(Debug, Clone, Copy, PartialEq, Eq)]
8318enum Invisible {
8319 /// A tab character
8320 ///
8321 /// A tab character is internally represented by spaces (configured by the user's tab width)
8322 /// aligned to the nearest column, so it's necessary to store the start and end offset for
8323 /// adjacency checks.
8324 Tab {
8325 line_start_offset: usize,
8326 line_end_offset: usize,
8327 },
8328 Whitespace {
8329 line_offset: usize,
8330 },
8331}
8332
8333impl EditorElement {
8334 /// Returns the rem size to use when rendering the [`EditorElement`].
8335 ///
8336 /// This allows UI elements to scale based on the `buffer_font_size`.
8337 fn rem_size(&self, cx: &mut App) -> Option<Pixels> {
8338 match self.editor.read(cx).mode {
8339 EditorMode::Full {
8340 scale_ui_elements_with_buffer_font_size: true,
8341 ..
8342 }
8343 | EditorMode::Minimap { .. } => {
8344 let buffer_font_size = self.style.text.font_size;
8345 match buffer_font_size {
8346 AbsoluteLength::Pixels(pixels) => {
8347 let rem_size_scale = {
8348 // Our default UI font size is 14px on a 16px base scale.
8349 // This means the default UI font size is 0.875rems.
8350 let default_font_size_scale = 14. / ui::BASE_REM_SIZE_IN_PX;
8351
8352 // We then determine the delta between a single rem and the default font
8353 // size scale.
8354 let default_font_size_delta = 1. - default_font_size_scale;
8355
8356 // Finally, we add this delta to 1rem to get the scale factor that
8357 // should be used to scale up the UI.
8358 1. + default_font_size_delta
8359 };
8360
8361 Some(pixels * rem_size_scale)
8362 }
8363 AbsoluteLength::Rems(rems) => {
8364 Some(rems.to_pixels(ui::BASE_REM_SIZE_IN_PX.into()))
8365 }
8366 }
8367 }
8368 // We currently use single-line and auto-height editors in UI contexts,
8369 // so we don't want to scale everything with the buffer font size, as it
8370 // ends up looking off.
8371 _ => None,
8372 }
8373 }
8374
8375 fn editor_with_selections(&self, cx: &App) -> Option<Entity<Editor>> {
8376 if let EditorMode::Minimap { parent } = self.editor.read(cx).mode() {
8377 parent.upgrade()
8378 } else {
8379 Some(self.editor.clone())
8380 }
8381 }
8382}
8383
8384impl Element for EditorElement {
8385 type RequestLayoutState = ();
8386 type PrepaintState = EditorLayout;
8387
8388 fn id(&self) -> Option<ElementId> {
8389 None
8390 }
8391
8392 fn source_location(&self) -> Option<&'static core::panic::Location<'static>> {
8393 None
8394 }
8395
8396 fn request_layout(
8397 &mut self,
8398 _: Option<&GlobalElementId>,
8399 _inspector_id: Option<&gpui::InspectorElementId>,
8400 window: &mut Window,
8401 cx: &mut App,
8402 ) -> (gpui::LayoutId, ()) {
8403 let rem_size = self.rem_size(cx);
8404 window.with_rem_size(rem_size, |window| {
8405 self.editor.update(cx, |editor, cx| {
8406 editor.set_style(self.style.clone(), window, cx);
8407
8408 let layout_id = match editor.mode {
8409 EditorMode::SingleLine => {
8410 let rem_size = window.rem_size();
8411 let height = self.style.text.line_height_in_pixels(rem_size);
8412 let mut style = Style::default();
8413 style.size.height = height.into();
8414 style.size.width = relative(1.).into();
8415 window.request_layout(style, None, cx)
8416 }
8417 EditorMode::AutoHeight {
8418 min_lines,
8419 max_lines,
8420 } => {
8421 let editor_handle = cx.entity();
8422 let max_line_number_width =
8423 self.max_line_number_width(&editor.snapshot(window, cx), window);
8424 window.request_measured_layout(
8425 Style::default(),
8426 move |known_dimensions, available_space, window, cx| {
8427 editor_handle
8428 .update(cx, |editor, cx| {
8429 compute_auto_height_layout(
8430 editor,
8431 min_lines,
8432 max_lines,
8433 max_line_number_width,
8434 known_dimensions,
8435 available_space.width,
8436 window,
8437 cx,
8438 )
8439 })
8440 .unwrap_or_default()
8441 },
8442 )
8443 }
8444 EditorMode::Minimap { .. } => {
8445 let mut style = Style::default();
8446 style.size.width = relative(1.).into();
8447 style.size.height = relative(1.).into();
8448 window.request_layout(style, None, cx)
8449 }
8450 EditorMode::Full {
8451 sizing_behavior, ..
8452 } => {
8453 let mut style = Style::default();
8454 style.size.width = relative(1.).into();
8455 if sizing_behavior == SizingBehavior::SizeByContent {
8456 let snapshot = editor.snapshot(window, cx);
8457 let line_height =
8458 self.style.text.line_height_in_pixels(window.rem_size());
8459 let scroll_height =
8460 (snapshot.max_point().row().next_row().0 as f32) * line_height;
8461 style.size.height = scroll_height.into();
8462 } else {
8463 style.size.height = relative(1.).into();
8464 }
8465 window.request_layout(style, None, cx)
8466 }
8467 };
8468
8469 (layout_id, ())
8470 })
8471 })
8472 }
8473
8474 fn prepaint(
8475 &mut self,
8476 _: Option<&GlobalElementId>,
8477 _inspector_id: Option<&gpui::InspectorElementId>,
8478 bounds: Bounds<Pixels>,
8479 _: &mut Self::RequestLayoutState,
8480 window: &mut Window,
8481 cx: &mut App,
8482 ) -> Self::PrepaintState {
8483 let text_style = TextStyleRefinement {
8484 font_size: Some(self.style.text.font_size),
8485 line_height: Some(self.style.text.line_height),
8486 ..Default::default()
8487 };
8488
8489 let is_minimap = self.editor.read(cx).mode.is_minimap();
8490
8491 if !is_minimap {
8492 let focus_handle = self.editor.focus_handle(cx);
8493 window.set_view_id(self.editor.entity_id());
8494 window.set_focus_handle(&focus_handle, cx);
8495 }
8496
8497 let rem_size = self.rem_size(cx);
8498 window.with_rem_size(rem_size, |window| {
8499 window.with_text_style(Some(text_style), |window| {
8500 window.with_content_mask(Some(ContentMask { bounds }), |window| {
8501 let (mut snapshot, is_read_only) = self.editor.update(cx, |editor, cx| {
8502 (editor.snapshot(window, cx), editor.read_only(cx))
8503 });
8504 let style = &self.style;
8505
8506 let rem_size = window.rem_size();
8507 let font_id = window.text_system().resolve_font(&style.text.font());
8508 let font_size = style.text.font_size.to_pixels(rem_size);
8509 let line_height = style.text.line_height_in_pixels(rem_size);
8510 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
8511 let em_advance = window.text_system().em_advance(font_id, font_size).unwrap();
8512 let glyph_grid_cell = size(em_advance, line_height);
8513
8514 let gutter_dimensions = snapshot
8515 .gutter_dimensions(
8516 font_id,
8517 font_size,
8518 self.max_line_number_width(&snapshot, window),
8519 cx,
8520 )
8521 .or_else(|| {
8522 self.editor.read(cx).offset_content.then(|| {
8523 GutterDimensions::default_with_margin(font_id, font_size, cx)
8524 })
8525 })
8526 .unwrap_or_default();
8527 let text_width = bounds.size.width - gutter_dimensions.width;
8528
8529 let settings = EditorSettings::get_global(cx);
8530 let scrollbars_shown = settings.scrollbar.show != ShowScrollbar::Never;
8531 let vertical_scrollbar_width = (scrollbars_shown
8532 && settings.scrollbar.axes.vertical
8533 && self.editor.read(cx).show_scrollbars.vertical)
8534 .then_some(style.scrollbar_width)
8535 .unwrap_or_default();
8536 let minimap_width = self
8537 .get_minimap_width(
8538 &settings.minimap,
8539 scrollbars_shown,
8540 text_width,
8541 em_width,
8542 font_size,
8543 rem_size,
8544 cx,
8545 )
8546 .unwrap_or_default();
8547
8548 let right_margin = minimap_width + vertical_scrollbar_width;
8549
8550 let editor_width =
8551 text_width - gutter_dimensions.margin - 2 * em_width - right_margin;
8552 let editor_margins = EditorMargins {
8553 gutter: gutter_dimensions,
8554 right: right_margin,
8555 };
8556
8557 snapshot = self.editor.update(cx, |editor, cx| {
8558 editor.last_bounds = Some(bounds);
8559 editor.gutter_dimensions = gutter_dimensions;
8560 editor.set_visible_line_count(
8561 (bounds.size.height / line_height) as f64,
8562 window,
8563 cx,
8564 );
8565 editor.set_visible_column_count(f64::from(editor_width / em_advance));
8566
8567 if matches!(
8568 editor.mode,
8569 EditorMode::AutoHeight { .. } | EditorMode::Minimap { .. }
8570 ) {
8571 snapshot
8572 } else {
8573 let wrap_width_for = |column: u32| (column as f32 * em_advance).ceil();
8574 let wrap_width = match editor.soft_wrap_mode(cx) {
8575 SoftWrap::GitDiff => None,
8576 SoftWrap::None => Some(wrap_width_for(MAX_LINE_LEN as u32 / 2)),
8577 SoftWrap::EditorWidth => Some(editor_width),
8578 SoftWrap::Column(column) => Some(wrap_width_for(column)),
8579 SoftWrap::Bounded(column) => {
8580 Some(editor_width.min(wrap_width_for(column)))
8581 }
8582 };
8583
8584 if editor.set_wrap_width(wrap_width, cx) {
8585 editor.snapshot(window, cx)
8586 } else {
8587 snapshot
8588 }
8589 }
8590 });
8591
8592 let hitbox = window.insert_hitbox(bounds, HitboxBehavior::Normal);
8593 let gutter_hitbox = window.insert_hitbox(
8594 gutter_bounds(bounds, gutter_dimensions),
8595 HitboxBehavior::Normal,
8596 );
8597 let text_hitbox = window.insert_hitbox(
8598 Bounds {
8599 origin: gutter_hitbox.top_right(),
8600 size: size(text_width, bounds.size.height),
8601 },
8602 HitboxBehavior::Normal,
8603 );
8604
8605 // Offset the content_bounds from the text_bounds by the gutter margin (which
8606 // is roughly half a character wide) to make hit testing work more like how we want.
8607 let content_offset = point(editor_margins.gutter.margin, Pixels::ZERO);
8608 let content_origin = text_hitbox.origin + content_offset;
8609
8610 let height_in_lines = f64::from(bounds.size.height / line_height);
8611 let max_row = snapshot.max_point().row().as_f64();
8612
8613 // The max scroll position for the top of the window
8614 let max_scroll_top = if matches!(
8615 snapshot.mode,
8616 EditorMode::SingleLine
8617 | EditorMode::AutoHeight { .. }
8618 | EditorMode::Full {
8619 sizing_behavior: SizingBehavior::ExcludeOverscrollMargin
8620 | SizingBehavior::SizeByContent,
8621 ..
8622 }
8623 ) {
8624 (max_row - height_in_lines + 1.).max(0.)
8625 } else {
8626 let settings = EditorSettings::get_global(cx);
8627 match settings.scroll_beyond_last_line {
8628 ScrollBeyondLastLine::OnePage => max_row,
8629 ScrollBeyondLastLine::Off => (max_row - height_in_lines + 1.).max(0.),
8630 ScrollBeyondLastLine::VerticalScrollMargin => {
8631 (max_row - height_in_lines + 1. + settings.vertical_scroll_margin)
8632 .max(0.)
8633 }
8634 }
8635 };
8636
8637 let (
8638 autoscroll_request,
8639 autoscroll_containing_element,
8640 needs_horizontal_autoscroll,
8641 ) = self.editor.update(cx, |editor, cx| {
8642 let autoscroll_request = editor.scroll_manager.take_autoscroll_request();
8643
8644 let autoscroll_containing_element =
8645 autoscroll_request.is_some() || editor.has_pending_selection();
8646
8647 let (needs_horizontal_autoscroll, was_scrolled) = editor
8648 .autoscroll_vertically(
8649 bounds,
8650 line_height,
8651 max_scroll_top,
8652 autoscroll_request,
8653 window,
8654 cx,
8655 );
8656 if was_scrolled.0 {
8657 snapshot = editor.snapshot(window, cx);
8658 }
8659 (
8660 autoscroll_request,
8661 autoscroll_containing_element,
8662 needs_horizontal_autoscroll,
8663 )
8664 });
8665
8666 let mut scroll_position = snapshot.scroll_position();
8667 // The scroll position is a fractional point, the whole number of which represents
8668 // the top of the window in terms of display rows.
8669 let start_row = DisplayRow(scroll_position.y as u32);
8670 let max_row = snapshot.max_point().row();
8671 let end_row = cmp::min(
8672 (scroll_position.y + height_in_lines).ceil() as u32,
8673 max_row.next_row().0,
8674 );
8675 let end_row = DisplayRow(end_row);
8676
8677 let row_infos = snapshot
8678 .row_infos(start_row)
8679 .take((start_row..end_row).len())
8680 .collect::<Vec<RowInfo>>();
8681 let is_row_soft_wrapped = |row: usize| {
8682 row_infos
8683 .get(row)
8684 .is_none_or(|info| info.buffer_row.is_none())
8685 };
8686
8687 let start_anchor = if start_row == Default::default() {
8688 Anchor::min()
8689 } else {
8690 snapshot.buffer_snapshot().anchor_before(
8691 DisplayPoint::new(start_row, 0).to_offset(&snapshot, Bias::Left),
8692 )
8693 };
8694 let end_anchor = if end_row > max_row {
8695 Anchor::max()
8696 } else {
8697 snapshot.buffer_snapshot().anchor_before(
8698 DisplayPoint::new(end_row, 0).to_offset(&snapshot, Bias::Right),
8699 )
8700 };
8701
8702 let mut highlighted_rows = self
8703 .editor
8704 .update(cx, |editor, cx| editor.highlighted_display_rows(window, cx));
8705
8706 let is_light = cx.theme().appearance().is_light();
8707
8708 for (ix, row_info) in row_infos.iter().enumerate() {
8709 let Some(diff_status) = row_info.diff_status else {
8710 continue;
8711 };
8712
8713 let background_color = match diff_status.kind {
8714 DiffHunkStatusKind::Added => cx.theme().colors().version_control_added,
8715 DiffHunkStatusKind::Deleted => {
8716 cx.theme().colors().version_control_deleted
8717 }
8718 DiffHunkStatusKind::Modified => {
8719 debug_panic!("modified diff status for row info");
8720 continue;
8721 }
8722 };
8723
8724 let hunk_opacity = if is_light { 0.16 } else { 0.12 };
8725
8726 let hollow_highlight = LineHighlight {
8727 background: (background_color.opacity(if is_light {
8728 0.08
8729 } else {
8730 0.06
8731 }))
8732 .into(),
8733 border: Some(if is_light {
8734 background_color.opacity(0.48)
8735 } else {
8736 background_color.opacity(0.36)
8737 }),
8738 include_gutter: true,
8739 type_id: None,
8740 };
8741
8742 let filled_highlight = LineHighlight {
8743 background: solid_background(background_color.opacity(hunk_opacity)),
8744 border: None,
8745 include_gutter: true,
8746 type_id: None,
8747 };
8748
8749 let background = if Self::diff_hunk_hollow(diff_status, cx) {
8750 hollow_highlight
8751 } else {
8752 filled_highlight
8753 };
8754
8755 highlighted_rows
8756 .entry(start_row + DisplayRow(ix as u32))
8757 .or_insert(background);
8758 }
8759
8760 let highlighted_ranges = self
8761 .editor_with_selections(cx)
8762 .map(|editor| {
8763 editor.read(cx).background_highlights_in_range(
8764 start_anchor..end_anchor,
8765 &snapshot.display_snapshot,
8766 cx.theme(),
8767 )
8768 })
8769 .unwrap_or_default();
8770 let highlighted_gutter_ranges =
8771 self.editor.read(cx).gutter_highlights_in_range(
8772 start_anchor..end_anchor,
8773 &snapshot.display_snapshot,
8774 cx,
8775 );
8776
8777 let document_colors = self
8778 .editor
8779 .read(cx)
8780 .colors
8781 .as_ref()
8782 .map(|colors| colors.editor_display_highlights(&snapshot));
8783 let redacted_ranges = self.editor.read(cx).redacted_ranges(
8784 start_anchor..end_anchor,
8785 &snapshot.display_snapshot,
8786 cx,
8787 );
8788
8789 let (local_selections, selected_buffer_ids): (
8790 Vec<Selection<Point>>,
8791 Vec<BufferId>,
8792 ) = self
8793 .editor_with_selections(cx)
8794 .map(|editor| {
8795 editor.update(cx, |editor, cx| {
8796 let all_selections =
8797 editor.selections.all::<Point>(&snapshot.display_snapshot);
8798 let selected_buffer_ids =
8799 if editor.buffer_kind(cx) == ItemBufferKind::Singleton {
8800 Vec::new()
8801 } else {
8802 let mut selected_buffer_ids =
8803 Vec::with_capacity(all_selections.len());
8804
8805 for selection in all_selections {
8806 for buffer_id in snapshot
8807 .buffer_snapshot()
8808 .buffer_ids_for_range(selection.range())
8809 {
8810 if selected_buffer_ids.last() != Some(&buffer_id) {
8811 selected_buffer_ids.push(buffer_id);
8812 }
8813 }
8814 }
8815
8816 selected_buffer_ids
8817 };
8818
8819 let mut selections = editor.selections.disjoint_in_range(
8820 start_anchor..end_anchor,
8821 &snapshot.display_snapshot,
8822 );
8823 selections
8824 .extend(editor.selections.pending(&snapshot.display_snapshot));
8825
8826 (selections, selected_buffer_ids)
8827 })
8828 })
8829 .unwrap_or_default();
8830
8831 let (selections, mut active_rows, newest_selection_head) = self
8832 .layout_selections(
8833 start_anchor,
8834 end_anchor,
8835 &local_selections,
8836 &snapshot,
8837 start_row,
8838 end_row,
8839 window,
8840 cx,
8841 );
8842 let mut breakpoint_rows = self.editor.update(cx, |editor, cx| {
8843 editor.active_breakpoints(start_row..end_row, window, cx)
8844 });
8845 for (display_row, (_, bp, state)) in &breakpoint_rows {
8846 if bp.is_enabled() && state.is_none_or(|s| s.verified) {
8847 active_rows.entry(*display_row).or_default().breakpoint = true;
8848 }
8849 }
8850
8851 let line_numbers = self.layout_line_numbers(
8852 Some(&gutter_hitbox),
8853 gutter_dimensions,
8854 line_height,
8855 scroll_position,
8856 start_row..end_row,
8857 &row_infos,
8858 &active_rows,
8859 newest_selection_head,
8860 &snapshot,
8861 window,
8862 cx,
8863 );
8864
8865 // We add the gutter breakpoint indicator to breakpoint_rows after painting
8866 // line numbers so we don't paint a line number debug accent color if a user
8867 // has their mouse over that line when a breakpoint isn't there
8868 self.editor.update(cx, |editor, _| {
8869 if let Some(phantom_breakpoint) = &mut editor
8870 .gutter_breakpoint_indicator
8871 .0
8872 .filter(|phantom_breakpoint| phantom_breakpoint.is_active)
8873 {
8874 // Is there a non-phantom breakpoint on this line?
8875 phantom_breakpoint.collides_with_existing_breakpoint = true;
8876 breakpoint_rows
8877 .entry(phantom_breakpoint.display_row)
8878 .or_insert_with(|| {
8879 let position = snapshot.display_point_to_anchor(
8880 DisplayPoint::new(phantom_breakpoint.display_row, 0),
8881 Bias::Right,
8882 );
8883 let breakpoint = Breakpoint::new_standard();
8884 phantom_breakpoint.collides_with_existing_breakpoint = false;
8885 (position, breakpoint, None)
8886 });
8887 }
8888 });
8889
8890 let mut expand_toggles =
8891 window.with_element_namespace("expand_toggles", |window| {
8892 self.layout_expand_toggles(
8893 &gutter_hitbox,
8894 gutter_dimensions,
8895 em_width,
8896 line_height,
8897 scroll_position,
8898 &row_infos,
8899 window,
8900 cx,
8901 )
8902 });
8903
8904 let mut crease_toggles =
8905 window.with_element_namespace("crease_toggles", |window| {
8906 self.layout_crease_toggles(
8907 start_row..end_row,
8908 &row_infos,
8909 &active_rows,
8910 &snapshot,
8911 window,
8912 cx,
8913 )
8914 });
8915 let crease_trailers =
8916 window.with_element_namespace("crease_trailers", |window| {
8917 self.layout_crease_trailers(
8918 row_infos.iter().copied(),
8919 &snapshot,
8920 window,
8921 cx,
8922 )
8923 });
8924
8925 let display_hunks = self.layout_gutter_diff_hunks(
8926 line_height,
8927 &gutter_hitbox,
8928 start_row..end_row,
8929 &snapshot,
8930 window,
8931 cx,
8932 );
8933
8934 let merged_highlighted_ranges =
8935 if let Some((_, colors)) = document_colors.as_ref() {
8936 &highlighted_ranges
8937 .clone()
8938 .into_iter()
8939 .chain(colors.clone())
8940 .collect()
8941 } else {
8942 &highlighted_ranges
8943 };
8944 let bg_segments_per_row = Self::bg_segments_per_row(
8945 start_row..end_row,
8946 &selections,
8947 &merged_highlighted_ranges,
8948 self.style.background,
8949 );
8950
8951 let mut line_layouts = Self::layout_lines(
8952 start_row..end_row,
8953 &snapshot,
8954 &self.style,
8955 editor_width,
8956 is_row_soft_wrapped,
8957 &bg_segments_per_row,
8958 window,
8959 cx,
8960 );
8961 let new_renderer_widths = (!is_minimap).then(|| {
8962 line_layouts
8963 .iter()
8964 .flat_map(|layout| &layout.fragments)
8965 .filter_map(|fragment| {
8966 if let LineFragment::Element { id, size, .. } = fragment {
8967 Some((*id, size.width))
8968 } else {
8969 None
8970 }
8971 })
8972 });
8973 if new_renderer_widths.is_some_and(|new_renderer_widths| {
8974 self.editor.update(cx, |editor, cx| {
8975 editor.update_renderer_widths(new_renderer_widths, cx)
8976 })
8977 }) {
8978 // If the fold widths have changed, we need to prepaint
8979 // the element again to account for any changes in
8980 // wrapping.
8981 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
8982 }
8983
8984 let longest_line_blame_width = self
8985 .editor
8986 .update(cx, |editor, cx| {
8987 if !editor.show_git_blame_inline {
8988 return None;
8989 }
8990 let blame = editor.blame.as_ref()?;
8991 let (_, blame_entry) = blame
8992 .update(cx, |blame, cx| {
8993 let row_infos =
8994 snapshot.row_infos(snapshot.longest_row()).next()?;
8995 blame.blame_for_rows(&[row_infos], cx).next()
8996 })
8997 .flatten()?;
8998 let mut element = render_inline_blame_entry(blame_entry, style, cx)?;
8999 let inline_blame_padding =
9000 ProjectSettings::get_global(cx).git.inline_blame.padding as f32
9001 * em_advance;
9002 Some(
9003 element
9004 .layout_as_root(AvailableSpace::min_size(), window, cx)
9005 .width
9006 + inline_blame_padding,
9007 )
9008 })
9009 .unwrap_or(Pixels::ZERO);
9010
9011 let longest_line_width = layout_line(
9012 snapshot.longest_row(),
9013 &snapshot,
9014 style,
9015 editor_width,
9016 is_row_soft_wrapped,
9017 window,
9018 cx,
9019 )
9020 .width;
9021
9022 let scrollbar_layout_information = ScrollbarLayoutInformation::new(
9023 text_hitbox.bounds,
9024 glyph_grid_cell,
9025 size(
9026 longest_line_width,
9027 Pixels::from(max_row.as_f64() * f64::from(line_height)),
9028 ),
9029 longest_line_blame_width,
9030 EditorSettings::get_global(cx),
9031 );
9032
9033 let mut scroll_width = scrollbar_layout_information.scroll_range.width;
9034
9035 let sticky_header_excerpt = if snapshot.buffer_snapshot().show_headers() {
9036 snapshot.sticky_header_excerpt(scroll_position.y)
9037 } else {
9038 None
9039 };
9040 let sticky_header_excerpt_id =
9041 sticky_header_excerpt.as_ref().map(|top| top.excerpt.id);
9042
9043 let blocks = (!is_minimap)
9044 .then(|| {
9045 window.with_element_namespace("blocks", |window| {
9046 self.render_blocks(
9047 start_row..end_row,
9048 &snapshot,
9049 &hitbox,
9050 &text_hitbox,
9051 editor_width,
9052 &mut scroll_width,
9053 &editor_margins,
9054 em_width,
9055 gutter_dimensions.full_width(),
9056 line_height,
9057 &mut line_layouts,
9058 &local_selections,
9059 &selected_buffer_ids,
9060 is_row_soft_wrapped,
9061 sticky_header_excerpt_id,
9062 window,
9063 cx,
9064 )
9065 })
9066 })
9067 .unwrap_or_else(|| Ok((Vec::default(), HashMap::default())));
9068 let (mut blocks, row_block_types) = match blocks {
9069 Ok(blocks) => blocks,
9070 Err(resized_blocks) => {
9071 self.editor.update(cx, |editor, cx| {
9072 editor.resize_blocks(
9073 resized_blocks,
9074 autoscroll_request.map(|(autoscroll, _)| autoscroll),
9075 cx,
9076 )
9077 });
9078 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
9079 }
9080 };
9081
9082 let sticky_buffer_header = sticky_header_excerpt.map(|sticky_header_excerpt| {
9083 window.with_element_namespace("blocks", |window| {
9084 self.layout_sticky_buffer_header(
9085 sticky_header_excerpt,
9086 scroll_position,
9087 line_height,
9088 right_margin,
9089 &snapshot,
9090 &hitbox,
9091 &selected_buffer_ids,
9092 &blocks,
9093 window,
9094 cx,
9095 )
9096 })
9097 });
9098
9099 let start_buffer_row =
9100 MultiBufferRow(start_anchor.to_point(&snapshot.buffer_snapshot()).row);
9101 let end_buffer_row =
9102 MultiBufferRow(end_anchor.to_point(&snapshot.buffer_snapshot()).row);
9103
9104 let scroll_max: gpui::Point<ScrollPixelOffset> = point(
9105 ScrollPixelOffset::from(
9106 ((scroll_width - editor_width) / em_advance).max(0.0),
9107 ),
9108 max_scroll_top,
9109 );
9110
9111 self.editor.update(cx, |editor, cx| {
9112 if editor.scroll_manager.clamp_scroll_left(scroll_max.x) {
9113 scroll_position.x = scroll_position.x.min(scroll_max.x);
9114 }
9115
9116 if needs_horizontal_autoscroll.0
9117 && let Some(new_scroll_position) = editor.autoscroll_horizontally(
9118 start_row,
9119 editor_width,
9120 scroll_width,
9121 em_advance,
9122 &line_layouts,
9123 autoscroll_request,
9124 window,
9125 cx,
9126 )
9127 {
9128 scroll_position = new_scroll_position;
9129 }
9130 });
9131
9132 let scroll_pixel_position = point(
9133 scroll_position.x * f64::from(em_advance),
9134 scroll_position.y * f64::from(line_height),
9135 );
9136 let indent_guides = self.layout_indent_guides(
9137 content_origin,
9138 text_hitbox.origin,
9139 start_buffer_row..end_buffer_row,
9140 scroll_pixel_position,
9141 line_height,
9142 &snapshot,
9143 window,
9144 cx,
9145 );
9146
9147 let crease_trailers =
9148 window.with_element_namespace("crease_trailers", |window| {
9149 self.prepaint_crease_trailers(
9150 crease_trailers,
9151 &line_layouts,
9152 line_height,
9153 content_origin,
9154 scroll_pixel_position,
9155 em_width,
9156 window,
9157 cx,
9158 )
9159 });
9160
9161 let (edit_prediction_popover, edit_prediction_popover_origin) = self
9162 .editor
9163 .update(cx, |editor, cx| {
9164 editor.render_edit_prediction_popover(
9165 &text_hitbox.bounds,
9166 content_origin,
9167 right_margin,
9168 &snapshot,
9169 start_row..end_row,
9170 scroll_position.y,
9171 scroll_position.y + height_in_lines,
9172 &line_layouts,
9173 line_height,
9174 scroll_position,
9175 scroll_pixel_position,
9176 newest_selection_head,
9177 editor_width,
9178 style,
9179 window,
9180 cx,
9181 )
9182 })
9183 .unzip();
9184
9185 let mut inline_diagnostics = self.layout_inline_diagnostics(
9186 &line_layouts,
9187 &crease_trailers,
9188 &row_block_types,
9189 content_origin,
9190 scroll_position,
9191 scroll_pixel_position,
9192 edit_prediction_popover_origin,
9193 start_row,
9194 end_row,
9195 line_height,
9196 em_width,
9197 style,
9198 window,
9199 cx,
9200 );
9201
9202 let mut inline_blame_layout = None;
9203 let mut inline_code_actions = None;
9204 if let Some(newest_selection_head) = newest_selection_head {
9205 let display_row = newest_selection_head.row();
9206 if (start_row..end_row).contains(&display_row)
9207 && !row_block_types.contains_key(&display_row)
9208 {
9209 inline_code_actions = self.layout_inline_code_actions(
9210 newest_selection_head,
9211 content_origin,
9212 scroll_position,
9213 scroll_pixel_position,
9214 line_height,
9215 &snapshot,
9216 window,
9217 cx,
9218 );
9219
9220 let line_ix = display_row.minus(start_row) as usize;
9221 if let (Some(row_info), Some(line_layout), Some(crease_trailer)) = (
9222 row_infos.get(line_ix),
9223 line_layouts.get(line_ix),
9224 crease_trailers.get(line_ix),
9225 ) {
9226 let crease_trailer_layout = crease_trailer.as_ref();
9227 if let Some(layout) = self.layout_inline_blame(
9228 display_row,
9229 row_info,
9230 line_layout,
9231 crease_trailer_layout,
9232 em_width,
9233 content_origin,
9234 scroll_position,
9235 scroll_pixel_position,
9236 line_height,
9237 &text_hitbox,
9238 window,
9239 cx,
9240 ) {
9241 inline_blame_layout = Some(layout);
9242 // Blame overrides inline diagnostics
9243 inline_diagnostics.remove(&display_row);
9244 }
9245 } else {
9246 log::error!(
9247 "bug: line_ix {} is out of bounds - row_infos.len(): {}, \
9248 line_layouts.len(): {}, \
9249 crease_trailers.len(): {}",
9250 line_ix,
9251 row_infos.len(),
9252 line_layouts.len(),
9253 crease_trailers.len(),
9254 );
9255 }
9256 }
9257 }
9258
9259 let blamed_display_rows = self.layout_blame_entries(
9260 &row_infos,
9261 em_width,
9262 scroll_position,
9263 line_height,
9264 &gutter_hitbox,
9265 gutter_dimensions.git_blame_entries_width,
9266 window,
9267 cx,
9268 );
9269
9270 let line_elements = self.prepaint_lines(
9271 start_row,
9272 &mut line_layouts,
9273 line_height,
9274 scroll_position,
9275 scroll_pixel_position,
9276 content_origin,
9277 window,
9278 cx,
9279 );
9280
9281 window.with_element_namespace("blocks", |window| {
9282 self.layout_blocks(
9283 &mut blocks,
9284 &hitbox,
9285 line_height,
9286 scroll_position,
9287 scroll_pixel_position,
9288 window,
9289 cx,
9290 );
9291 });
9292
9293 let cursors = self.collect_cursors(&snapshot, cx);
9294 let visible_row_range = start_row..end_row;
9295 let non_visible_cursors = cursors
9296 .iter()
9297 .any(|c| !visible_row_range.contains(&c.0.row()));
9298
9299 let visible_cursors = self.layout_visible_cursors(
9300 &snapshot,
9301 &selections,
9302 &row_block_types,
9303 start_row..end_row,
9304 &line_layouts,
9305 &text_hitbox,
9306 content_origin,
9307 scroll_position,
9308 scroll_pixel_position,
9309 line_height,
9310 em_width,
9311 em_advance,
9312 autoscroll_containing_element,
9313 window,
9314 cx,
9315 );
9316
9317 let scrollbars_layout = self.layout_scrollbars(
9318 &snapshot,
9319 &scrollbar_layout_information,
9320 content_offset,
9321 scroll_position,
9322 non_visible_cursors,
9323 right_margin,
9324 editor_width,
9325 window,
9326 cx,
9327 );
9328
9329 let gutter_settings = EditorSettings::get_global(cx).gutter;
9330
9331 let context_menu_layout =
9332 if let Some(newest_selection_head) = newest_selection_head {
9333 let newest_selection_point =
9334 newest_selection_head.to_point(&snapshot.display_snapshot);
9335 if (start_row..end_row).contains(&newest_selection_head.row()) {
9336 self.layout_cursor_popovers(
9337 line_height,
9338 &text_hitbox,
9339 content_origin,
9340 right_margin,
9341 start_row,
9342 scroll_pixel_position,
9343 &line_layouts,
9344 newest_selection_head,
9345 newest_selection_point,
9346 style,
9347 window,
9348 cx,
9349 )
9350 } else {
9351 None
9352 }
9353 } else {
9354 None
9355 };
9356
9357 self.layout_gutter_menu(
9358 line_height,
9359 &text_hitbox,
9360 content_origin,
9361 right_margin,
9362 scroll_pixel_position,
9363 gutter_dimensions.width - gutter_dimensions.left_padding,
9364 window,
9365 cx,
9366 );
9367
9368 let test_indicators = if gutter_settings.runnables {
9369 self.layout_run_indicators(
9370 line_height,
9371 start_row..end_row,
9372 &row_infos,
9373 scroll_position,
9374 &gutter_dimensions,
9375 &gutter_hitbox,
9376 &display_hunks,
9377 &snapshot,
9378 &mut breakpoint_rows,
9379 window,
9380 cx,
9381 )
9382 } else {
9383 Vec::new()
9384 };
9385
9386 let show_breakpoints = snapshot
9387 .show_breakpoints
9388 .unwrap_or(gutter_settings.breakpoints);
9389 let breakpoints = if show_breakpoints {
9390 self.layout_breakpoints(
9391 line_height,
9392 start_row..end_row,
9393 scroll_position,
9394 &gutter_dimensions,
9395 &gutter_hitbox,
9396 &display_hunks,
9397 &snapshot,
9398 breakpoint_rows,
9399 &row_infos,
9400 window,
9401 cx,
9402 )
9403 } else {
9404 Vec::new()
9405 };
9406
9407 self.layout_signature_help(
9408 &hitbox,
9409 content_origin,
9410 scroll_pixel_position,
9411 newest_selection_head,
9412 start_row,
9413 &line_layouts,
9414 line_height,
9415 em_width,
9416 context_menu_layout,
9417 window,
9418 cx,
9419 );
9420
9421 if !cx.has_active_drag() {
9422 self.layout_hover_popovers(
9423 &snapshot,
9424 &hitbox,
9425 start_row..end_row,
9426 content_origin,
9427 scroll_pixel_position,
9428 &line_layouts,
9429 line_height,
9430 em_width,
9431 context_menu_layout,
9432 window,
9433 cx,
9434 );
9435 }
9436
9437 let mouse_context_menu = self.layout_mouse_context_menu(
9438 &snapshot,
9439 start_row..end_row,
9440 content_origin,
9441 window,
9442 cx,
9443 );
9444
9445 window.with_element_namespace("crease_toggles", |window| {
9446 self.prepaint_crease_toggles(
9447 &mut crease_toggles,
9448 line_height,
9449 &gutter_dimensions,
9450 gutter_settings,
9451 scroll_pixel_position,
9452 &gutter_hitbox,
9453 window,
9454 cx,
9455 )
9456 });
9457
9458 window.with_element_namespace("expand_toggles", |window| {
9459 self.prepaint_expand_toggles(&mut expand_toggles, window, cx)
9460 });
9461
9462 let wrap_guides = self.layout_wrap_guides(
9463 em_advance,
9464 scroll_position,
9465 content_origin,
9466 scrollbars_layout.as_ref(),
9467 vertical_scrollbar_width,
9468 &hitbox,
9469 window,
9470 cx,
9471 );
9472
9473 let minimap = window.with_element_namespace("minimap", |window| {
9474 self.layout_minimap(
9475 &snapshot,
9476 minimap_width,
9477 scroll_position,
9478 &scrollbar_layout_information,
9479 scrollbars_layout.as_ref(),
9480 window,
9481 cx,
9482 )
9483 });
9484
9485 let invisible_symbol_font_size = font_size / 2.;
9486 let whitespace_map = &self
9487 .editor
9488 .read(cx)
9489 .buffer
9490 .read(cx)
9491 .language_settings(cx)
9492 .whitespace_map;
9493
9494 let tab_char = whitespace_map.tab.clone();
9495 let tab_len = tab_char.len();
9496 let tab_invisible = window.text_system().shape_line(
9497 tab_char,
9498 invisible_symbol_font_size,
9499 &[TextRun {
9500 len: tab_len,
9501 font: self.style.text.font(),
9502 color: cx.theme().colors().editor_invisible,
9503 background_color: None,
9504 underline: None,
9505 strikethrough: None,
9506 }],
9507 None,
9508 );
9509
9510 let space_char = whitespace_map.space.clone();
9511 let space_len = space_char.len();
9512 let space_invisible = window.text_system().shape_line(
9513 space_char,
9514 invisible_symbol_font_size,
9515 &[TextRun {
9516 len: space_len,
9517 font: self.style.text.font(),
9518 color: cx.theme().colors().editor_invisible,
9519 background_color: None,
9520 underline: None,
9521 strikethrough: None,
9522 }],
9523 None,
9524 );
9525
9526 let mode = snapshot.mode.clone();
9527
9528 let (diff_hunk_controls, diff_hunk_control_bounds) = if is_read_only {
9529 (vec![], vec![])
9530 } else {
9531 self.layout_diff_hunk_controls(
9532 start_row..end_row,
9533 &row_infos,
9534 &text_hitbox,
9535 newest_selection_head,
9536 line_height,
9537 right_margin,
9538 scroll_pixel_position,
9539 &display_hunks,
9540 &highlighted_rows,
9541 self.editor.clone(),
9542 window,
9543 cx,
9544 )
9545 };
9546
9547 let position_map = Rc::new(PositionMap {
9548 size: bounds.size,
9549 visible_row_range,
9550 scroll_position,
9551 scroll_pixel_position,
9552 scroll_max,
9553 line_layouts,
9554 line_height,
9555 em_width,
9556 em_advance,
9557 snapshot,
9558 gutter_hitbox: gutter_hitbox.clone(),
9559 text_hitbox: text_hitbox.clone(),
9560 inline_blame_bounds: inline_blame_layout
9561 .as_ref()
9562 .map(|layout| (layout.bounds, layout.buffer_id, layout.entry.clone())),
9563 display_hunks: display_hunks.clone(),
9564 diff_hunk_control_bounds,
9565 });
9566
9567 self.editor.update(cx, |editor, _| {
9568 editor.last_position_map = Some(position_map.clone())
9569 });
9570
9571 EditorLayout {
9572 mode,
9573 position_map,
9574 visible_display_row_range: start_row..end_row,
9575 wrap_guides,
9576 indent_guides,
9577 hitbox,
9578 gutter_hitbox,
9579 display_hunks,
9580 content_origin,
9581 scrollbars_layout,
9582 minimap,
9583 active_rows,
9584 highlighted_rows,
9585 highlighted_ranges,
9586 highlighted_gutter_ranges,
9587 redacted_ranges,
9588 document_colors,
9589 line_elements,
9590 line_numbers,
9591 blamed_display_rows,
9592 inline_diagnostics,
9593 inline_blame_layout,
9594 inline_code_actions,
9595 blocks,
9596 cursors,
9597 visible_cursors,
9598 selections,
9599 edit_prediction_popover,
9600 diff_hunk_controls,
9601 mouse_context_menu,
9602 test_indicators,
9603 breakpoints,
9604 crease_toggles,
9605 crease_trailers,
9606 tab_invisible,
9607 space_invisible,
9608 sticky_buffer_header,
9609 expand_toggles,
9610 }
9611 })
9612 })
9613 })
9614 }
9615
9616 fn paint(
9617 &mut self,
9618 _: Option<&GlobalElementId>,
9619 _inspector_id: Option<&gpui::InspectorElementId>,
9620 bounds: Bounds<gpui::Pixels>,
9621 _: &mut Self::RequestLayoutState,
9622 layout: &mut Self::PrepaintState,
9623 window: &mut Window,
9624 cx: &mut App,
9625 ) {
9626 if !layout.mode.is_minimap() {
9627 let focus_handle = self.editor.focus_handle(cx);
9628 let key_context = self
9629 .editor
9630 .update(cx, |editor, cx| editor.key_context(window, cx));
9631
9632 window.set_key_context(key_context);
9633 window.handle_input(
9634 &focus_handle,
9635 ElementInputHandler::new(bounds, self.editor.clone()),
9636 cx,
9637 );
9638 self.register_actions(window, cx);
9639 self.register_key_listeners(window, cx, layout);
9640 }
9641
9642 let text_style = TextStyleRefinement {
9643 font_size: Some(self.style.text.font_size),
9644 line_height: Some(self.style.text.line_height),
9645 ..Default::default()
9646 };
9647 let rem_size = self.rem_size(cx);
9648 window.with_rem_size(rem_size, |window| {
9649 window.with_text_style(Some(text_style), |window| {
9650 window.with_content_mask(Some(ContentMask { bounds }), |window| {
9651 self.paint_mouse_listeners(layout, window, cx);
9652 self.paint_background(layout, window, cx);
9653 self.paint_indent_guides(layout, window, cx);
9654
9655 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9656 self.paint_blamed_display_rows(layout, window, cx);
9657 self.paint_line_numbers(layout, window, cx);
9658 }
9659
9660 self.paint_text(layout, window, cx);
9661
9662 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9663 self.paint_gutter_highlights(layout, window, cx);
9664 self.paint_gutter_indicators(layout, window, cx);
9665 }
9666
9667 if !layout.blocks.is_empty() {
9668 window.with_element_namespace("blocks", |window| {
9669 self.paint_blocks(layout, window, cx);
9670 });
9671 }
9672
9673 window.with_element_namespace("blocks", |window| {
9674 if let Some(mut sticky_header) = layout.sticky_buffer_header.take() {
9675 sticky_header.paint(window, cx)
9676 }
9677 });
9678
9679 self.paint_minimap(layout, window, cx);
9680 self.paint_scrollbars(layout, window, cx);
9681 self.paint_edit_prediction_popover(layout, window, cx);
9682 self.paint_mouse_context_menu(layout, window, cx);
9683 });
9684 })
9685 })
9686 }
9687}
9688
9689pub(super) fn gutter_bounds(
9690 editor_bounds: Bounds<Pixels>,
9691 gutter_dimensions: GutterDimensions,
9692) -> Bounds<Pixels> {
9693 Bounds {
9694 origin: editor_bounds.origin,
9695 size: size(gutter_dimensions.width, editor_bounds.size.height),
9696 }
9697}
9698
9699#[derive(Clone, Copy)]
9700struct ContextMenuLayout {
9701 y_flipped: bool,
9702 bounds: Bounds<Pixels>,
9703}
9704
9705/// Holds information required for layouting the editor scrollbars.
9706struct ScrollbarLayoutInformation {
9707 /// The bounds of the editor area (excluding the content offset).
9708 editor_bounds: Bounds<Pixels>,
9709 /// The available range to scroll within the document.
9710 scroll_range: Size<Pixels>,
9711 /// The space available for one glyph in the editor.
9712 glyph_grid_cell: Size<Pixels>,
9713}
9714
9715impl ScrollbarLayoutInformation {
9716 pub fn new(
9717 editor_bounds: Bounds<Pixels>,
9718 glyph_grid_cell: Size<Pixels>,
9719 document_size: Size<Pixels>,
9720 longest_line_blame_width: Pixels,
9721 settings: &EditorSettings,
9722 ) -> Self {
9723 let vertical_overscroll = match settings.scroll_beyond_last_line {
9724 ScrollBeyondLastLine::OnePage => editor_bounds.size.height,
9725 ScrollBeyondLastLine::Off => glyph_grid_cell.height,
9726 ScrollBeyondLastLine::VerticalScrollMargin => {
9727 (1.0 + settings.vertical_scroll_margin) as f32 * glyph_grid_cell.height
9728 }
9729 };
9730
9731 let overscroll = size(longest_line_blame_width, vertical_overscroll);
9732
9733 ScrollbarLayoutInformation {
9734 editor_bounds,
9735 scroll_range: document_size + overscroll,
9736 glyph_grid_cell,
9737 }
9738 }
9739}
9740
9741impl IntoElement for EditorElement {
9742 type Element = Self;
9743
9744 fn into_element(self) -> Self::Element {
9745 self
9746 }
9747}
9748
9749pub struct EditorLayout {
9750 position_map: Rc<PositionMap>,
9751 hitbox: Hitbox,
9752 gutter_hitbox: Hitbox,
9753 content_origin: gpui::Point<Pixels>,
9754 scrollbars_layout: Option<EditorScrollbars>,
9755 minimap: Option<MinimapLayout>,
9756 mode: EditorMode,
9757 wrap_guides: SmallVec<[(Pixels, bool); 2]>,
9758 indent_guides: Option<Vec<IndentGuideLayout>>,
9759 visible_display_row_range: Range<DisplayRow>,
9760 active_rows: BTreeMap<DisplayRow, LineHighlightSpec>,
9761 highlighted_rows: BTreeMap<DisplayRow, LineHighlight>,
9762 line_elements: SmallVec<[AnyElement; 1]>,
9763 line_numbers: Arc<HashMap<MultiBufferRow, LineNumberLayout>>,
9764 display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
9765 blamed_display_rows: Option<Vec<AnyElement>>,
9766 inline_diagnostics: HashMap<DisplayRow, AnyElement>,
9767 inline_blame_layout: Option<InlineBlameLayout>,
9768 inline_code_actions: Option<AnyElement>,
9769 blocks: Vec<BlockLayout>,
9770 highlighted_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9771 highlighted_gutter_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9772 redacted_ranges: Vec<Range<DisplayPoint>>,
9773 cursors: Vec<(DisplayPoint, Hsla)>,
9774 visible_cursors: Vec<CursorLayout>,
9775 selections: Vec<(PlayerColor, Vec<SelectionLayout>)>,
9776 test_indicators: Vec<AnyElement>,
9777 breakpoints: Vec<AnyElement>,
9778 crease_toggles: Vec<Option<AnyElement>>,
9779 expand_toggles: Vec<Option<(AnyElement, gpui::Point<Pixels>)>>,
9780 diff_hunk_controls: Vec<AnyElement>,
9781 crease_trailers: Vec<Option<CreaseTrailerLayout>>,
9782 edit_prediction_popover: Option<AnyElement>,
9783 mouse_context_menu: Option<AnyElement>,
9784 tab_invisible: ShapedLine,
9785 space_invisible: ShapedLine,
9786 sticky_buffer_header: Option<AnyElement>,
9787 document_colors: Option<(DocumentColorsRenderMode, Vec<(Range<DisplayPoint>, Hsla)>)>,
9788}
9789
9790impl EditorLayout {
9791 fn line_end_overshoot(&self) -> Pixels {
9792 0.15 * self.position_map.line_height
9793 }
9794}
9795
9796struct LineNumberLayout {
9797 shaped_line: ShapedLine,
9798 hitbox: Option<Hitbox>,
9799}
9800
9801struct ColoredRange<T> {
9802 start: T,
9803 end: T,
9804 color: Hsla,
9805}
9806
9807impl Along for ScrollbarAxes {
9808 type Unit = bool;
9809
9810 fn along(&self, axis: ScrollbarAxis) -> Self::Unit {
9811 match axis {
9812 ScrollbarAxis::Horizontal => self.horizontal,
9813 ScrollbarAxis::Vertical => self.vertical,
9814 }
9815 }
9816
9817 fn apply_along(&self, axis: ScrollbarAxis, f: impl FnOnce(Self::Unit) -> Self::Unit) -> Self {
9818 match axis {
9819 ScrollbarAxis::Horizontal => ScrollbarAxes {
9820 horizontal: f(self.horizontal),
9821 vertical: self.vertical,
9822 },
9823 ScrollbarAxis::Vertical => ScrollbarAxes {
9824 horizontal: self.horizontal,
9825 vertical: f(self.vertical),
9826 },
9827 }
9828 }
9829}
9830
9831#[derive(Clone)]
9832struct EditorScrollbars {
9833 pub vertical: Option<ScrollbarLayout>,
9834 pub horizontal: Option<ScrollbarLayout>,
9835 pub visible: bool,
9836}
9837
9838impl EditorScrollbars {
9839 pub fn from_scrollbar_axes(
9840 show_scrollbar: ScrollbarAxes,
9841 layout_information: &ScrollbarLayoutInformation,
9842 content_offset: gpui::Point<Pixels>,
9843 scroll_position: gpui::Point<f64>,
9844 scrollbar_width: Pixels,
9845 right_margin: Pixels,
9846 editor_width: Pixels,
9847 show_scrollbars: bool,
9848 scrollbar_state: Option<&ActiveScrollbarState>,
9849 window: &mut Window,
9850 ) -> Self {
9851 let ScrollbarLayoutInformation {
9852 editor_bounds,
9853 scroll_range,
9854 glyph_grid_cell,
9855 } = layout_information;
9856
9857 let viewport_size = size(editor_width, editor_bounds.size.height);
9858
9859 let scrollbar_bounds_for = |axis: ScrollbarAxis| match axis {
9860 ScrollbarAxis::Horizontal => Bounds::from_corner_and_size(
9861 Corner::BottomLeft,
9862 editor_bounds.bottom_left(),
9863 size(
9864 // The horizontal viewport size differs from the space available for the
9865 // horizontal scrollbar, so we have to manually stitch it together here.
9866 editor_bounds.size.width - right_margin,
9867 scrollbar_width,
9868 ),
9869 ),
9870 ScrollbarAxis::Vertical => Bounds::from_corner_and_size(
9871 Corner::TopRight,
9872 editor_bounds.top_right(),
9873 size(scrollbar_width, viewport_size.height),
9874 ),
9875 };
9876
9877 let mut create_scrollbar_layout = |axis| {
9878 let viewport_size = viewport_size.along(axis);
9879 let scroll_range = scroll_range.along(axis);
9880
9881 // We always want a vertical scrollbar track for scrollbar diagnostic visibility.
9882 (show_scrollbar.along(axis)
9883 && (axis == ScrollbarAxis::Vertical || scroll_range > viewport_size))
9884 .then(|| {
9885 ScrollbarLayout::new(
9886 window.insert_hitbox(scrollbar_bounds_for(axis), HitboxBehavior::Normal),
9887 viewport_size,
9888 scroll_range,
9889 glyph_grid_cell.along(axis),
9890 content_offset.along(axis),
9891 scroll_position.along(axis),
9892 show_scrollbars,
9893 axis,
9894 )
9895 .with_thumb_state(
9896 scrollbar_state.and_then(|state| state.thumb_state_for_axis(axis)),
9897 )
9898 })
9899 };
9900
9901 Self {
9902 vertical: create_scrollbar_layout(ScrollbarAxis::Vertical),
9903 horizontal: create_scrollbar_layout(ScrollbarAxis::Horizontal),
9904 visible: show_scrollbars,
9905 }
9906 }
9907
9908 pub fn iter_scrollbars(&self) -> impl Iterator<Item = (&ScrollbarLayout, ScrollbarAxis)> + '_ {
9909 [
9910 (&self.vertical, ScrollbarAxis::Vertical),
9911 (&self.horizontal, ScrollbarAxis::Horizontal),
9912 ]
9913 .into_iter()
9914 .filter_map(|(scrollbar, axis)| scrollbar.as_ref().map(|s| (s, axis)))
9915 }
9916
9917 /// Returns the currently hovered scrollbar axis, if any.
9918 pub fn get_hovered_axis(&self, window: &Window) -> Option<(&ScrollbarLayout, ScrollbarAxis)> {
9919 self.iter_scrollbars()
9920 .find(|s| s.0.hitbox.is_hovered(window))
9921 }
9922}
9923
9924#[derive(Clone)]
9925struct ScrollbarLayout {
9926 hitbox: Hitbox,
9927 visible_range: Range<ScrollOffset>,
9928 text_unit_size: Pixels,
9929 thumb_bounds: Option<Bounds<Pixels>>,
9930 thumb_state: ScrollbarThumbState,
9931}
9932
9933impl ScrollbarLayout {
9934 const BORDER_WIDTH: Pixels = px(1.0);
9935 const LINE_MARKER_HEIGHT: Pixels = px(2.0);
9936 const MIN_MARKER_HEIGHT: Pixels = px(5.0);
9937 const MIN_THUMB_SIZE: Pixels = px(25.0);
9938
9939 fn new(
9940 scrollbar_track_hitbox: Hitbox,
9941 viewport_size: Pixels,
9942 scroll_range: Pixels,
9943 glyph_space: Pixels,
9944 content_offset: Pixels,
9945 scroll_position: ScrollOffset,
9946 show_thumb: bool,
9947 axis: ScrollbarAxis,
9948 ) -> Self {
9949 let track_bounds = scrollbar_track_hitbox.bounds;
9950 // The length of the track available to the scrollbar thumb. We deliberately
9951 // exclude the content size here so that the thumb aligns with the content.
9952 let track_length = track_bounds.size.along(axis) - content_offset;
9953
9954 Self::new_with_hitbox_and_track_length(
9955 scrollbar_track_hitbox,
9956 track_length,
9957 viewport_size,
9958 scroll_range.into(),
9959 glyph_space,
9960 content_offset.into(),
9961 scroll_position,
9962 show_thumb,
9963 axis,
9964 )
9965 }
9966
9967 fn for_minimap(
9968 minimap_track_hitbox: Hitbox,
9969 visible_lines: f64,
9970 total_editor_lines: f64,
9971 minimap_line_height: Pixels,
9972 scroll_position: ScrollOffset,
9973 minimap_scroll_top: ScrollOffset,
9974 show_thumb: bool,
9975 ) -> Self {
9976 // The scrollbar thumb size is calculated as
9977 // (visible_content/total_content) Γ scrollbar_track_length.
9978 //
9979 // For the minimap's thumb layout, we leverage this by setting the
9980 // scrollbar track length to the entire document size (using minimap line
9981 // height). This creates a thumb that exactly represents the editor
9982 // viewport scaled to minimap proportions.
9983 //
9984 // We adjust the thumb position relative to `minimap_scroll_top` to
9985 // accommodate for the deliberately oversized track.
9986 //
9987 // This approach ensures that the minimap thumb accurately reflects the
9988 // editor's current scroll position whilst nicely synchronizing the minimap
9989 // thumb and scrollbar thumb.
9990 let scroll_range = total_editor_lines * f64::from(minimap_line_height);
9991 let viewport_size = visible_lines * f64::from(minimap_line_height);
9992
9993 let track_top_offset = -minimap_scroll_top * f64::from(minimap_line_height);
9994
9995 Self::new_with_hitbox_and_track_length(
9996 minimap_track_hitbox,
9997 Pixels::from(scroll_range),
9998 Pixels::from(viewport_size),
9999 scroll_range,
10000 minimap_line_height,
10001 track_top_offset,
10002 scroll_position,
10003 show_thumb,
10004 ScrollbarAxis::Vertical,
10005 )
10006 }
10007
10008 fn new_with_hitbox_and_track_length(
10009 scrollbar_track_hitbox: Hitbox,
10010 track_length: Pixels,
10011 viewport_size: Pixels,
10012 scroll_range: f64,
10013 glyph_space: Pixels,
10014 content_offset: ScrollOffset,
10015 scroll_position: ScrollOffset,
10016 show_thumb: bool,
10017 axis: ScrollbarAxis,
10018 ) -> Self {
10019 let text_units_per_page = f64::from(viewport_size / glyph_space);
10020 let visible_range = scroll_position..scroll_position + text_units_per_page;
10021 let total_text_units = scroll_range / f64::from(glyph_space);
10022
10023 let thumb_percentage = text_units_per_page / total_text_units;
10024 let thumb_size = Pixels::from(ScrollOffset::from(track_length) * thumb_percentage)
10025 .max(ScrollbarLayout::MIN_THUMB_SIZE)
10026 .min(track_length);
10027
10028 let text_unit_divisor = (total_text_units - text_units_per_page).max(0.);
10029
10030 let content_larger_than_viewport = text_unit_divisor > 0.;
10031
10032 let text_unit_size = if content_larger_than_viewport {
10033 Pixels::from(ScrollOffset::from(track_length - thumb_size) / text_unit_divisor)
10034 } else {
10035 glyph_space
10036 };
10037
10038 let thumb_bounds = (show_thumb && content_larger_than_viewport).then(|| {
10039 Self::thumb_bounds(
10040 &scrollbar_track_hitbox,
10041 content_offset,
10042 visible_range.start,
10043 text_unit_size,
10044 thumb_size,
10045 axis,
10046 )
10047 });
10048
10049 ScrollbarLayout {
10050 hitbox: scrollbar_track_hitbox,
10051 visible_range,
10052 text_unit_size,
10053 thumb_bounds,
10054 thumb_state: Default::default(),
10055 }
10056 }
10057
10058 fn with_thumb_state(self, thumb_state: Option<ScrollbarThumbState>) -> Self {
10059 if let Some(thumb_state) = thumb_state {
10060 Self {
10061 thumb_state,
10062 ..self
10063 }
10064 } else {
10065 self
10066 }
10067 }
10068
10069 fn thumb_bounds(
10070 scrollbar_track: &Hitbox,
10071 content_offset: f64,
10072 visible_range_start: f64,
10073 text_unit_size: Pixels,
10074 thumb_size: Pixels,
10075 axis: ScrollbarAxis,
10076 ) -> Bounds<Pixels> {
10077 let thumb_origin = scrollbar_track.origin.apply_along(axis, |origin| {
10078 origin
10079 + Pixels::from(
10080 content_offset + visible_range_start * ScrollOffset::from(text_unit_size),
10081 )
10082 });
10083 Bounds::new(
10084 thumb_origin,
10085 scrollbar_track.size.apply_along(axis, |_| thumb_size),
10086 )
10087 }
10088
10089 fn thumb_hovered(&self, position: &gpui::Point<Pixels>) -> bool {
10090 self.thumb_bounds
10091 .is_some_and(|bounds| bounds.contains(position))
10092 }
10093
10094 fn marker_quads_for_ranges(
10095 &self,
10096 row_ranges: impl IntoIterator<Item = ColoredRange<DisplayRow>>,
10097 column: Option<usize>,
10098 ) -> Vec<PaintQuad> {
10099 struct MinMax {
10100 min: Pixels,
10101 max: Pixels,
10102 }
10103 let (x_range, height_limit) = if let Some(column) = column {
10104 let column_width = ((self.hitbox.size.width - Self::BORDER_WIDTH) / 3.0).floor();
10105 let start = Self::BORDER_WIDTH + (column as f32 * column_width);
10106 let end = start + column_width;
10107 (
10108 Range { start, end },
10109 MinMax {
10110 min: Self::MIN_MARKER_HEIGHT,
10111 max: px(f32::MAX),
10112 },
10113 )
10114 } else {
10115 (
10116 Range {
10117 start: Self::BORDER_WIDTH,
10118 end: self.hitbox.size.width,
10119 },
10120 MinMax {
10121 min: Self::LINE_MARKER_HEIGHT,
10122 max: Self::LINE_MARKER_HEIGHT,
10123 },
10124 )
10125 };
10126
10127 let row_to_y = |row: DisplayRow| row.as_f64() as f32 * self.text_unit_size;
10128 let mut pixel_ranges = row_ranges
10129 .into_iter()
10130 .map(|range| {
10131 let start_y = row_to_y(range.start);
10132 let end_y = row_to_y(range.end)
10133 + self
10134 .text_unit_size
10135 .max(height_limit.min)
10136 .min(height_limit.max);
10137 ColoredRange {
10138 start: start_y,
10139 end: end_y,
10140 color: range.color,
10141 }
10142 })
10143 .peekable();
10144
10145 let mut quads = Vec::new();
10146 while let Some(mut pixel_range) = pixel_ranges.next() {
10147 while let Some(next_pixel_range) = pixel_ranges.peek() {
10148 if pixel_range.end >= next_pixel_range.start - px(1.0)
10149 && pixel_range.color == next_pixel_range.color
10150 {
10151 pixel_range.end = next_pixel_range.end.max(pixel_range.end);
10152 pixel_ranges.next();
10153 } else {
10154 break;
10155 }
10156 }
10157
10158 let bounds = Bounds::from_corners(
10159 point(x_range.start, pixel_range.start),
10160 point(x_range.end, pixel_range.end),
10161 );
10162 quads.push(quad(
10163 bounds,
10164 Corners::default(),
10165 pixel_range.color,
10166 Edges::default(),
10167 Hsla::transparent_black(),
10168 BorderStyle::default(),
10169 ));
10170 }
10171
10172 quads
10173 }
10174}
10175
10176struct MinimapLayout {
10177 pub minimap: AnyElement,
10178 pub thumb_layout: ScrollbarLayout,
10179 pub minimap_scroll_top: ScrollOffset,
10180 pub minimap_line_height: Pixels,
10181 pub thumb_border_style: MinimapThumbBorder,
10182 pub max_scroll_top: ScrollOffset,
10183}
10184
10185impl MinimapLayout {
10186 /// The minimum width of the minimap in columns. If the minimap is smaller than this, it will be hidden.
10187 const MINIMAP_MIN_WIDTH_COLUMNS: f32 = 20.;
10188 /// The minimap width as a percentage of the editor width.
10189 const MINIMAP_WIDTH_PCT: f32 = 0.15;
10190 /// Calculates the scroll top offset the minimap editor has to have based on the
10191 /// current scroll progress.
10192 fn calculate_minimap_top_offset(
10193 document_lines: f64,
10194 visible_editor_lines: f64,
10195 visible_minimap_lines: f64,
10196 scroll_position: f64,
10197 ) -> ScrollOffset {
10198 let non_visible_document_lines = (document_lines - visible_editor_lines).max(0.);
10199 if non_visible_document_lines == 0. {
10200 0.
10201 } else {
10202 let scroll_percentage = (scroll_position / non_visible_document_lines).clamp(0., 1.);
10203 scroll_percentage * (document_lines - visible_minimap_lines).max(0.)
10204 }
10205 }
10206}
10207
10208struct CreaseTrailerLayout {
10209 element: AnyElement,
10210 bounds: Bounds<Pixels>,
10211}
10212
10213pub(crate) struct PositionMap {
10214 pub size: Size<Pixels>,
10215 pub line_height: Pixels,
10216 pub scroll_position: gpui::Point<ScrollOffset>,
10217 pub scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
10218 pub scroll_max: gpui::Point<ScrollOffset>,
10219 pub em_width: Pixels,
10220 pub em_advance: Pixels,
10221 pub visible_row_range: Range<DisplayRow>,
10222 pub line_layouts: Vec<LineWithInvisibles>,
10223 pub snapshot: EditorSnapshot,
10224 pub text_hitbox: Hitbox,
10225 pub gutter_hitbox: Hitbox,
10226 pub inline_blame_bounds: Option<(Bounds<Pixels>, BufferId, BlameEntry)>,
10227 pub display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
10228 pub diff_hunk_control_bounds: Vec<(DisplayRow, Bounds<Pixels>)>,
10229}
10230
10231#[derive(Debug, Copy, Clone)]
10232pub struct PointForPosition {
10233 pub previous_valid: DisplayPoint,
10234 pub next_valid: DisplayPoint,
10235 pub exact_unclipped: DisplayPoint,
10236 pub column_overshoot_after_line_end: u32,
10237}
10238
10239impl PointForPosition {
10240 pub fn as_valid(&self) -> Option<DisplayPoint> {
10241 if self.previous_valid == self.exact_unclipped && self.next_valid == self.exact_unclipped {
10242 Some(self.previous_valid)
10243 } else {
10244 None
10245 }
10246 }
10247
10248 pub fn intersects_selection(&self, selection: &Selection<DisplayPoint>) -> bool {
10249 let Some(valid_point) = self.as_valid() else {
10250 return false;
10251 };
10252 let range = selection.range();
10253
10254 let candidate_row = valid_point.row();
10255 let candidate_col = valid_point.column();
10256
10257 let start_row = range.start.row();
10258 let start_col = range.start.column();
10259 let end_row = range.end.row();
10260 let end_col = range.end.column();
10261
10262 if candidate_row < start_row || candidate_row > end_row {
10263 false
10264 } else if start_row == end_row {
10265 candidate_col >= start_col && candidate_col < end_col
10266 } else if candidate_row == start_row {
10267 candidate_col >= start_col
10268 } else if candidate_row == end_row {
10269 candidate_col < end_col
10270 } else {
10271 true
10272 }
10273 }
10274}
10275
10276impl PositionMap {
10277 pub(crate) fn point_for_position(&self, position: gpui::Point<Pixels>) -> PointForPosition {
10278 let text_bounds = self.text_hitbox.bounds;
10279 let scroll_position = self.snapshot.scroll_position();
10280 let position = position - text_bounds.origin;
10281 let y = position.y.max(px(0.)).min(self.size.height);
10282 let x = position.x + (scroll_position.x as f32 * self.em_advance);
10283 let row = ((y / self.line_height) as f64 + scroll_position.y) as u32;
10284
10285 let (column, x_overshoot_after_line_end) = if let Some(line) = self
10286 .line_layouts
10287 .get(row as usize - scroll_position.y as usize)
10288 {
10289 if let Some(ix) = line.index_for_x(x) {
10290 (ix as u32, px(0.))
10291 } else {
10292 (line.len as u32, px(0.).max(x - line.width))
10293 }
10294 } else {
10295 (0, x)
10296 };
10297
10298 let mut exact_unclipped = DisplayPoint::new(DisplayRow(row), column);
10299 let previous_valid = self.snapshot.clip_point(exact_unclipped, Bias::Left);
10300 let next_valid = self.snapshot.clip_point(exact_unclipped, Bias::Right);
10301
10302 let column_overshoot_after_line_end = (x_overshoot_after_line_end / self.em_advance) as u32;
10303 *exact_unclipped.column_mut() += column_overshoot_after_line_end;
10304 PointForPosition {
10305 previous_valid,
10306 next_valid,
10307 exact_unclipped,
10308 column_overshoot_after_line_end,
10309 }
10310 }
10311}
10312
10313struct BlockLayout {
10314 id: BlockId,
10315 x_offset: Pixels,
10316 row: Option<DisplayRow>,
10317 element: AnyElement,
10318 available_space: Size<AvailableSpace>,
10319 style: BlockStyle,
10320 overlaps_gutter: bool,
10321 is_buffer_header: bool,
10322}
10323
10324pub fn layout_line(
10325 row: DisplayRow,
10326 snapshot: &EditorSnapshot,
10327 style: &EditorStyle,
10328 text_width: Pixels,
10329 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
10330 window: &mut Window,
10331 cx: &mut App,
10332) -> LineWithInvisibles {
10333 let chunks = snapshot.highlighted_chunks(row..row + DisplayRow(1), true, style);
10334 LineWithInvisibles::from_chunks(
10335 chunks,
10336 style,
10337 MAX_LINE_LEN,
10338 1,
10339 &snapshot.mode,
10340 text_width,
10341 is_row_soft_wrapped,
10342 &[],
10343 window,
10344 cx,
10345 )
10346 .pop()
10347 .unwrap()
10348}
10349
10350#[derive(Debug)]
10351pub struct IndentGuideLayout {
10352 origin: gpui::Point<Pixels>,
10353 length: Pixels,
10354 single_indent_width: Pixels,
10355 depth: u32,
10356 active: bool,
10357 settings: IndentGuideSettings,
10358}
10359
10360pub struct CursorLayout {
10361 origin: gpui::Point<Pixels>,
10362 block_width: Pixels,
10363 line_height: Pixels,
10364 color: Hsla,
10365 shape: CursorShape,
10366 block_text: Option<ShapedLine>,
10367 cursor_name: Option<AnyElement>,
10368}
10369
10370#[derive(Debug)]
10371pub struct CursorName {
10372 string: SharedString,
10373 color: Hsla,
10374 is_top_row: bool,
10375}
10376
10377impl CursorLayout {
10378 pub fn new(
10379 origin: gpui::Point<Pixels>,
10380 block_width: Pixels,
10381 line_height: Pixels,
10382 color: Hsla,
10383 shape: CursorShape,
10384 block_text: Option<ShapedLine>,
10385 ) -> CursorLayout {
10386 CursorLayout {
10387 origin,
10388 block_width,
10389 line_height,
10390 color,
10391 shape,
10392 block_text,
10393 cursor_name: None,
10394 }
10395 }
10396
10397 pub fn bounding_rect(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10398 Bounds {
10399 origin: self.origin + origin,
10400 size: size(self.block_width, self.line_height),
10401 }
10402 }
10403
10404 fn bounds(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10405 match self.shape {
10406 CursorShape::Bar => Bounds {
10407 origin: self.origin + origin,
10408 size: size(px(2.0), self.line_height),
10409 },
10410 CursorShape::Block | CursorShape::Hollow => Bounds {
10411 origin: self.origin + origin,
10412 size: size(self.block_width, self.line_height),
10413 },
10414 CursorShape::Underline => Bounds {
10415 origin: self.origin
10416 + origin
10417 + gpui::Point::new(Pixels::ZERO, self.line_height - px(2.0)),
10418 size: size(self.block_width, px(2.0)),
10419 },
10420 }
10421 }
10422
10423 pub fn layout(
10424 &mut self,
10425 origin: gpui::Point<Pixels>,
10426 cursor_name: Option<CursorName>,
10427 window: &mut Window,
10428 cx: &mut App,
10429 ) {
10430 if let Some(cursor_name) = cursor_name {
10431 let bounds = self.bounds(origin);
10432 let text_size = self.line_height / 1.5;
10433
10434 let name_origin = if cursor_name.is_top_row {
10435 point(bounds.right() - px(1.), bounds.top())
10436 } else {
10437 match self.shape {
10438 CursorShape::Bar => point(
10439 bounds.right() - px(2.),
10440 bounds.top() - text_size / 2. - px(1.),
10441 ),
10442 _ => point(
10443 bounds.right() - px(1.),
10444 bounds.top() - text_size / 2. - px(1.),
10445 ),
10446 }
10447 };
10448 let mut name_element = div()
10449 .bg(self.color)
10450 .text_size(text_size)
10451 .px_0p5()
10452 .line_height(text_size + px(2.))
10453 .text_color(cursor_name.color)
10454 .child(cursor_name.string)
10455 .into_any_element();
10456
10457 name_element.prepaint_as_root(name_origin, AvailableSpace::min_size(), window, cx);
10458
10459 self.cursor_name = Some(name_element);
10460 }
10461 }
10462
10463 pub fn paint(&mut self, origin: gpui::Point<Pixels>, window: &mut Window, cx: &mut App) {
10464 let bounds = self.bounds(origin);
10465
10466 //Draw background or border quad
10467 let cursor = if matches!(self.shape, CursorShape::Hollow) {
10468 outline(bounds, self.color, BorderStyle::Solid)
10469 } else {
10470 fill(bounds, self.color)
10471 };
10472
10473 if let Some(name) = &mut self.cursor_name {
10474 name.paint(window, cx);
10475 }
10476
10477 window.paint_quad(cursor);
10478
10479 if let Some(block_text) = &self.block_text {
10480 block_text
10481 .paint(self.origin + origin, self.line_height, window, cx)
10482 .log_err();
10483 }
10484 }
10485
10486 pub fn shape(&self) -> CursorShape {
10487 self.shape
10488 }
10489}
10490
10491#[derive(Debug)]
10492pub struct HighlightedRange {
10493 pub start_y: Pixels,
10494 pub line_height: Pixels,
10495 pub lines: Vec<HighlightedRangeLine>,
10496 pub color: Hsla,
10497 pub corner_radius: Pixels,
10498}
10499
10500#[derive(Debug)]
10501pub struct HighlightedRangeLine {
10502 pub start_x: Pixels,
10503 pub end_x: Pixels,
10504}
10505
10506impl HighlightedRange {
10507 pub fn paint(&self, fill: bool, bounds: Bounds<Pixels>, window: &mut Window) {
10508 if self.lines.len() >= 2 && self.lines[0].start_x > self.lines[1].end_x {
10509 self.paint_lines(self.start_y, &self.lines[0..1], fill, bounds, window);
10510 self.paint_lines(
10511 self.start_y + self.line_height,
10512 &self.lines[1..],
10513 fill,
10514 bounds,
10515 window,
10516 );
10517 } else {
10518 self.paint_lines(self.start_y, &self.lines, fill, bounds, window);
10519 }
10520 }
10521
10522 fn paint_lines(
10523 &self,
10524 start_y: Pixels,
10525 lines: &[HighlightedRangeLine],
10526 fill: bool,
10527 _bounds: Bounds<Pixels>,
10528 window: &mut Window,
10529 ) {
10530 if lines.is_empty() {
10531 return;
10532 }
10533
10534 let first_line = lines.first().unwrap();
10535 let last_line = lines.last().unwrap();
10536
10537 let first_top_left = point(first_line.start_x, start_y);
10538 let first_top_right = point(first_line.end_x, start_y);
10539
10540 let curve_height = point(Pixels::ZERO, self.corner_radius);
10541 let curve_width = |start_x: Pixels, end_x: Pixels| {
10542 let max = (end_x - start_x) / 2.;
10543 let width = if max < self.corner_radius {
10544 max
10545 } else {
10546 self.corner_radius
10547 };
10548
10549 point(width, Pixels::ZERO)
10550 };
10551
10552 let top_curve_width = curve_width(first_line.start_x, first_line.end_x);
10553 let mut builder = if fill {
10554 gpui::PathBuilder::fill()
10555 } else {
10556 gpui::PathBuilder::stroke(px(1.))
10557 };
10558 builder.move_to(first_top_right - top_curve_width);
10559 builder.curve_to(first_top_right + curve_height, first_top_right);
10560
10561 let mut iter = lines.iter().enumerate().peekable();
10562 while let Some((ix, line)) = iter.next() {
10563 let bottom_right = point(line.end_x, start_y + (ix + 1) as f32 * self.line_height);
10564
10565 if let Some((_, next_line)) = iter.peek() {
10566 let next_top_right = point(next_line.end_x, bottom_right.y);
10567
10568 match next_top_right.x.partial_cmp(&bottom_right.x).unwrap() {
10569 Ordering::Equal => {
10570 builder.line_to(bottom_right);
10571 }
10572 Ordering::Less => {
10573 let curve_width = curve_width(next_top_right.x, bottom_right.x);
10574 builder.line_to(bottom_right - curve_height);
10575 if self.corner_radius > Pixels::ZERO {
10576 builder.curve_to(bottom_right - curve_width, bottom_right);
10577 }
10578 builder.line_to(next_top_right + curve_width);
10579 if self.corner_radius > Pixels::ZERO {
10580 builder.curve_to(next_top_right + curve_height, next_top_right);
10581 }
10582 }
10583 Ordering::Greater => {
10584 let curve_width = curve_width(bottom_right.x, next_top_right.x);
10585 builder.line_to(bottom_right - curve_height);
10586 if self.corner_radius > Pixels::ZERO {
10587 builder.curve_to(bottom_right + curve_width, bottom_right);
10588 }
10589 builder.line_to(next_top_right - curve_width);
10590 if self.corner_radius > Pixels::ZERO {
10591 builder.curve_to(next_top_right + curve_height, next_top_right);
10592 }
10593 }
10594 }
10595 } else {
10596 let curve_width = curve_width(line.start_x, line.end_x);
10597 builder.line_to(bottom_right - curve_height);
10598 if self.corner_radius > Pixels::ZERO {
10599 builder.curve_to(bottom_right - curve_width, bottom_right);
10600 }
10601
10602 let bottom_left = point(line.start_x, bottom_right.y);
10603 builder.line_to(bottom_left + curve_width);
10604 if self.corner_radius > Pixels::ZERO {
10605 builder.curve_to(bottom_left - curve_height, bottom_left);
10606 }
10607 }
10608 }
10609
10610 if first_line.start_x > last_line.start_x {
10611 let curve_width = curve_width(last_line.start_x, first_line.start_x);
10612 let second_top_left = point(last_line.start_x, start_y + self.line_height);
10613 builder.line_to(second_top_left + curve_height);
10614 if self.corner_radius > Pixels::ZERO {
10615 builder.curve_to(second_top_left + curve_width, second_top_left);
10616 }
10617 let first_bottom_left = point(first_line.start_x, second_top_left.y);
10618 builder.line_to(first_bottom_left - curve_width);
10619 if self.corner_radius > Pixels::ZERO {
10620 builder.curve_to(first_bottom_left - curve_height, first_bottom_left);
10621 }
10622 }
10623
10624 builder.line_to(first_top_left + curve_height);
10625 if self.corner_radius > Pixels::ZERO {
10626 builder.curve_to(first_top_left + top_curve_width, first_top_left);
10627 }
10628 builder.line_to(first_top_right - top_curve_width);
10629
10630 if let Ok(path) = builder.build() {
10631 window.paint_path(path, self.color);
10632 }
10633 }
10634}
10635
10636enum CursorPopoverType {
10637 CodeContextMenu,
10638 EditPrediction,
10639}
10640
10641pub fn scale_vertical_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10642 (delta.pow(1.2) / 100.0).min(px(3.0)).into()
10643}
10644
10645fn scale_horizontal_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10646 (delta.pow(1.2) / 300.0).into()
10647}
10648
10649pub fn register_action<T: Action>(
10650 editor: &Entity<Editor>,
10651 window: &mut Window,
10652 listener: impl Fn(&mut Editor, &T, &mut Window, &mut Context<Editor>) + 'static,
10653) {
10654 let editor = editor.clone();
10655 window.on_action(TypeId::of::<T>(), move |action, phase, window, cx| {
10656 let action = action.downcast_ref().unwrap();
10657 if phase == DispatchPhase::Bubble {
10658 editor.update(cx, |editor, cx| {
10659 listener(editor, action, window, cx);
10660 })
10661 }
10662 })
10663}
10664
10665fn compute_auto_height_layout(
10666 editor: &mut Editor,
10667 min_lines: usize,
10668 max_lines: Option<usize>,
10669 max_line_number_width: Pixels,
10670 known_dimensions: Size<Option<Pixels>>,
10671 available_width: AvailableSpace,
10672 window: &mut Window,
10673 cx: &mut Context<Editor>,
10674) -> Option<Size<Pixels>> {
10675 let width = known_dimensions.width.or({
10676 if let AvailableSpace::Definite(available_width) = available_width {
10677 Some(available_width)
10678 } else {
10679 None
10680 }
10681 })?;
10682 if let Some(height) = known_dimensions.height {
10683 return Some(size(width, height));
10684 }
10685
10686 let style = editor.style.as_ref().unwrap();
10687 let font_id = window.text_system().resolve_font(&style.text.font());
10688 let font_size = style.text.font_size.to_pixels(window.rem_size());
10689 let line_height = style.text.line_height_in_pixels(window.rem_size());
10690 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
10691
10692 let mut snapshot = editor.snapshot(window, cx);
10693 let gutter_dimensions = snapshot
10694 .gutter_dimensions(font_id, font_size, max_line_number_width, cx)
10695 .or_else(|| {
10696 editor
10697 .offset_content
10698 .then(|| GutterDimensions::default_with_margin(font_id, font_size, cx))
10699 })
10700 .unwrap_or_default();
10701
10702 editor.gutter_dimensions = gutter_dimensions;
10703 let text_width = width - gutter_dimensions.width;
10704 let overscroll = size(em_width, px(0.));
10705
10706 let editor_width = text_width - gutter_dimensions.margin - overscroll.width - em_width;
10707 if !matches!(editor.soft_wrap_mode(cx), SoftWrap::None)
10708 && editor.set_wrap_width(Some(editor_width), cx)
10709 {
10710 snapshot = editor.snapshot(window, cx);
10711 }
10712
10713 let scroll_height = (snapshot.max_point().row().next_row().0 as f32) * line_height;
10714
10715 let min_height = line_height * min_lines as f32;
10716 let content_height = scroll_height.max(min_height);
10717
10718 let final_height = if let Some(max_lines) = max_lines {
10719 let max_height = line_height * max_lines as f32;
10720 content_height.min(max_height)
10721 } else {
10722 content_height
10723 };
10724
10725 Some(size(width, final_height))
10726}
10727
10728#[cfg(test)]
10729mod tests {
10730 use super::*;
10731 use crate::{
10732 Editor, MultiBuffer, SelectionEffects,
10733 display_map::{BlockPlacement, BlockProperties},
10734 editor_tests::{init_test, update_test_language_settings},
10735 };
10736 use gpui::{TestAppContext, VisualTestContext};
10737 use language::language_settings;
10738 use log::info;
10739 use std::num::NonZeroU32;
10740 use util::test::sample_text;
10741
10742 #[gpui::test]
10743 async fn test_soft_wrap_editor_width_auto_height_editor(cx: &mut TestAppContext) {
10744 init_test(cx, |_| {});
10745
10746 let window = cx.add_window(|window, cx| {
10747 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10748 let mut editor = Editor::new(
10749 EditorMode::AutoHeight {
10750 min_lines: 1,
10751 max_lines: None,
10752 },
10753 buffer,
10754 None,
10755 window,
10756 cx,
10757 );
10758 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10759 editor
10760 });
10761 let cx = &mut VisualTestContext::from_window(*window, cx);
10762 let editor = window.root(cx).unwrap();
10763 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10764
10765 for x in 1..=100 {
10766 let (_, state) = cx.draw(
10767 Default::default(),
10768 size(px(200. + 0.13 * x as f32), px(500.)),
10769 |_, _| EditorElement::new(&editor, style.clone()),
10770 );
10771
10772 assert!(
10773 state.position_map.scroll_max.x == 0.,
10774 "Soft wrapped editor should have no horizontal scrolling!"
10775 );
10776 }
10777 }
10778
10779 #[gpui::test]
10780 async fn test_soft_wrap_editor_width_full_editor(cx: &mut TestAppContext) {
10781 init_test(cx, |_| {});
10782
10783 let window = cx.add_window(|window, cx| {
10784 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10785 let mut editor = Editor::new(EditorMode::full(), buffer, None, window, cx);
10786 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10787 editor
10788 });
10789 let cx = &mut VisualTestContext::from_window(*window, cx);
10790 let editor = window.root(cx).unwrap();
10791 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10792
10793 for x in 1..=100 {
10794 let (_, state) = cx.draw(
10795 Default::default(),
10796 size(px(200. + 0.13 * x as f32), px(500.)),
10797 |_, _| EditorElement::new(&editor, style.clone()),
10798 );
10799
10800 assert!(
10801 state.position_map.scroll_max.x == 0.,
10802 "Soft wrapped editor should have no horizontal scrolling!"
10803 );
10804 }
10805 }
10806
10807 #[gpui::test]
10808 fn test_shape_line_numbers(cx: &mut TestAppContext) {
10809 init_test(cx, |_| {});
10810 let window = cx.add_window(|window, cx| {
10811 let buffer = MultiBuffer::build_simple(&sample_text(6, 6, 'a'), cx);
10812 Editor::new(EditorMode::full(), buffer, None, window, cx)
10813 });
10814
10815 let editor = window.root(cx).unwrap();
10816 let style = cx.update(|cx| editor.read(cx).style().unwrap().clone());
10817 let line_height = window
10818 .update(cx, |_, window, _| {
10819 style.text.line_height_in_pixels(window.rem_size())
10820 })
10821 .unwrap();
10822 let element = EditorElement::new(&editor, style);
10823 let snapshot = window
10824 .update(cx, |editor, window, cx| editor.snapshot(window, cx))
10825 .unwrap();
10826
10827 let layouts = cx
10828 .update_window(*window, |_, window, cx| {
10829 element.layout_line_numbers(
10830 None,
10831 GutterDimensions {
10832 left_padding: Pixels::ZERO,
10833 right_padding: Pixels::ZERO,
10834 width: px(30.0),
10835 margin: Pixels::ZERO,
10836 git_blame_entries_width: None,
10837 },
10838 line_height,
10839 gpui::Point::default(),
10840 DisplayRow(0)..DisplayRow(6),
10841 &(0..6)
10842 .map(|row| RowInfo {
10843 buffer_row: Some(row),
10844 ..Default::default()
10845 })
10846 .collect::<Vec<_>>(),
10847 &BTreeMap::default(),
10848 Some(DisplayPoint::new(DisplayRow(0), 0)),
10849 &snapshot,
10850 window,
10851 cx,
10852 )
10853 })
10854 .unwrap();
10855 assert_eq!(layouts.len(), 6);
10856
10857 let relative_rows = window
10858 .update(cx, |editor, window, cx| {
10859 let snapshot = editor.snapshot(window, cx);
10860 element.calculate_relative_line_numbers(
10861 &snapshot,
10862 &(DisplayRow(0)..DisplayRow(6)),
10863 Some(DisplayRow(3)),
10864 )
10865 })
10866 .unwrap();
10867 assert_eq!(relative_rows[&DisplayRow(0)], 3);
10868 assert_eq!(relative_rows[&DisplayRow(1)], 2);
10869 assert_eq!(relative_rows[&DisplayRow(2)], 1);
10870 // current line has no relative number
10871 assert_eq!(relative_rows[&DisplayRow(4)], 1);
10872 assert_eq!(relative_rows[&DisplayRow(5)], 2);
10873
10874 // works if cursor is before screen
10875 let relative_rows = window
10876 .update(cx, |editor, window, cx| {
10877 let snapshot = editor.snapshot(window, cx);
10878 element.calculate_relative_line_numbers(
10879 &snapshot,
10880 &(DisplayRow(3)..DisplayRow(6)),
10881 Some(DisplayRow(1)),
10882 )
10883 })
10884 .unwrap();
10885 assert_eq!(relative_rows.len(), 3);
10886 assert_eq!(relative_rows[&DisplayRow(3)], 2);
10887 assert_eq!(relative_rows[&DisplayRow(4)], 3);
10888 assert_eq!(relative_rows[&DisplayRow(5)], 4);
10889
10890 // works if cursor is after screen
10891 let relative_rows = window
10892 .update(cx, |editor, window, cx| {
10893 let snapshot = editor.snapshot(window, cx);
10894 element.calculate_relative_line_numbers(
10895 &snapshot,
10896 &(DisplayRow(0)..DisplayRow(3)),
10897 Some(DisplayRow(6)),
10898 )
10899 })
10900 .unwrap();
10901 assert_eq!(relative_rows.len(), 3);
10902 assert_eq!(relative_rows[&DisplayRow(0)], 5);
10903 assert_eq!(relative_rows[&DisplayRow(1)], 4);
10904 assert_eq!(relative_rows[&DisplayRow(2)], 3);
10905 }
10906
10907 #[gpui::test]
10908 async fn test_vim_visual_selections(cx: &mut TestAppContext) {
10909 init_test(cx, |_| {});
10910
10911 let window = cx.add_window(|window, cx| {
10912 let buffer = MultiBuffer::build_simple(&(sample_text(6, 6, 'a') + "\n"), cx);
10913 Editor::new(EditorMode::full(), buffer, None, window, cx)
10914 });
10915 let cx = &mut VisualTestContext::from_window(*window, cx);
10916 let editor = window.root(cx).unwrap();
10917 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10918
10919 window
10920 .update(cx, |editor, window, cx| {
10921 editor.cursor_shape = CursorShape::Block;
10922 editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
10923 s.select_ranges([
10924 Point::new(0, 0)..Point::new(1, 0),
10925 Point::new(3, 2)..Point::new(3, 3),
10926 Point::new(5, 6)..Point::new(6, 0),
10927 ]);
10928 });
10929 })
10930 .unwrap();
10931
10932 let (_, state) = cx.draw(
10933 point(px(500.), px(500.)),
10934 size(px(500.), px(500.)),
10935 |_, _| EditorElement::new(&editor, style),
10936 );
10937
10938 assert_eq!(state.selections.len(), 1);
10939 let local_selections = &state.selections[0].1;
10940 assert_eq!(local_selections.len(), 3);
10941 // moves cursor back one line
10942 assert_eq!(
10943 local_selections[0].head,
10944 DisplayPoint::new(DisplayRow(0), 6)
10945 );
10946 assert_eq!(
10947 local_selections[0].range,
10948 DisplayPoint::new(DisplayRow(0), 0)..DisplayPoint::new(DisplayRow(1), 0)
10949 );
10950
10951 // moves cursor back one column
10952 assert_eq!(
10953 local_selections[1].range,
10954 DisplayPoint::new(DisplayRow(3), 2)..DisplayPoint::new(DisplayRow(3), 3)
10955 );
10956 assert_eq!(
10957 local_selections[1].head,
10958 DisplayPoint::new(DisplayRow(3), 2)
10959 );
10960
10961 // leaves cursor on the max point
10962 assert_eq!(
10963 local_selections[2].range,
10964 DisplayPoint::new(DisplayRow(5), 6)..DisplayPoint::new(DisplayRow(6), 0)
10965 );
10966 assert_eq!(
10967 local_selections[2].head,
10968 DisplayPoint::new(DisplayRow(6), 0)
10969 );
10970
10971 // active lines does not include 1 (even though the range of the selection does)
10972 assert_eq!(
10973 state.active_rows.keys().cloned().collect::<Vec<_>>(),
10974 vec![DisplayRow(0), DisplayRow(3), DisplayRow(5), DisplayRow(6)]
10975 );
10976 }
10977
10978 #[gpui::test]
10979 fn test_layout_with_placeholder_text_and_blocks(cx: &mut TestAppContext) {
10980 init_test(cx, |_| {});
10981
10982 let window = cx.add_window(|window, cx| {
10983 let buffer = MultiBuffer::build_simple("", cx);
10984 Editor::new(EditorMode::full(), buffer, None, window, cx)
10985 });
10986 let cx = &mut VisualTestContext::from_window(*window, cx);
10987 let editor = window.root(cx).unwrap();
10988 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10989 window
10990 .update(cx, |editor, window, cx| {
10991 editor.set_placeholder_text("hello", window, cx);
10992 editor.insert_blocks(
10993 [BlockProperties {
10994 style: BlockStyle::Fixed,
10995 placement: BlockPlacement::Above(Anchor::min()),
10996 height: Some(3),
10997 render: Arc::new(|cx| div().h(3. * cx.window.line_height()).into_any()),
10998 priority: 0,
10999 }],
11000 None,
11001 cx,
11002 );
11003
11004 // Blur the editor so that it displays placeholder text.
11005 window.blur();
11006 })
11007 .unwrap();
11008
11009 let (_, state) = cx.draw(
11010 point(px(500.), px(500.)),
11011 size(px(500.), px(500.)),
11012 |_, _| EditorElement::new(&editor, style),
11013 );
11014 assert_eq!(state.position_map.line_layouts.len(), 4);
11015 assert_eq!(state.line_numbers.len(), 1);
11016 assert_eq!(
11017 state
11018 .line_numbers
11019 .get(&MultiBufferRow(0))
11020 .map(|line_number| line_number.shaped_line.text.as_ref()),
11021 Some("1")
11022 );
11023 }
11024
11025 #[gpui::test]
11026 fn test_all_invisibles_drawing(cx: &mut TestAppContext) {
11027 const TAB_SIZE: u32 = 4;
11028
11029 let input_text = "\t \t|\t| a b";
11030 let expected_invisibles = vec![
11031 Invisible::Tab {
11032 line_start_offset: 0,
11033 line_end_offset: TAB_SIZE as usize,
11034 },
11035 Invisible::Whitespace {
11036 line_offset: TAB_SIZE as usize,
11037 },
11038 Invisible::Tab {
11039 line_start_offset: TAB_SIZE as usize + 1,
11040 line_end_offset: TAB_SIZE as usize * 2,
11041 },
11042 Invisible::Tab {
11043 line_start_offset: TAB_SIZE as usize * 2 + 1,
11044 line_end_offset: TAB_SIZE as usize * 3,
11045 },
11046 Invisible::Whitespace {
11047 line_offset: TAB_SIZE as usize * 3 + 1,
11048 },
11049 Invisible::Whitespace {
11050 line_offset: TAB_SIZE as usize * 3 + 3,
11051 },
11052 ];
11053 assert_eq!(
11054 expected_invisibles.len(),
11055 input_text
11056 .chars()
11057 .filter(|initial_char| initial_char.is_whitespace())
11058 .count(),
11059 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
11060 );
11061
11062 for show_line_numbers in [true, false] {
11063 init_test(cx, |s| {
11064 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11065 s.defaults.tab_size = NonZeroU32::new(TAB_SIZE);
11066 });
11067
11068 let actual_invisibles = collect_invisibles_from_new_editor(
11069 cx,
11070 EditorMode::full(),
11071 input_text,
11072 px(500.0),
11073 show_line_numbers,
11074 );
11075
11076 assert_eq!(expected_invisibles, actual_invisibles);
11077 }
11078 }
11079
11080 #[gpui::test]
11081 fn test_invisibles_dont_appear_in_certain_editors(cx: &mut TestAppContext) {
11082 init_test(cx, |s| {
11083 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11084 s.defaults.tab_size = NonZeroU32::new(4);
11085 });
11086
11087 for editor_mode_without_invisibles in [
11088 EditorMode::SingleLine,
11089 EditorMode::AutoHeight {
11090 min_lines: 1,
11091 max_lines: Some(100),
11092 },
11093 ] {
11094 for show_line_numbers in [true, false] {
11095 let invisibles = collect_invisibles_from_new_editor(
11096 cx,
11097 editor_mode_without_invisibles.clone(),
11098 "\t\t\t| | a b",
11099 px(500.0),
11100 show_line_numbers,
11101 );
11102 assert!(
11103 invisibles.is_empty(),
11104 "For editor mode {editor_mode_without_invisibles:?} no invisibles was expected but got {invisibles:?}"
11105 );
11106 }
11107 }
11108 }
11109
11110 #[gpui::test]
11111 fn test_wrapped_invisibles_drawing(cx: &mut TestAppContext) {
11112 let tab_size = 4;
11113 let input_text = "a\tbcd ".repeat(9);
11114 let repeated_invisibles = [
11115 Invisible::Tab {
11116 line_start_offset: 1,
11117 line_end_offset: tab_size as usize,
11118 },
11119 Invisible::Whitespace {
11120 line_offset: tab_size as usize + 3,
11121 },
11122 Invisible::Whitespace {
11123 line_offset: tab_size as usize + 4,
11124 },
11125 Invisible::Whitespace {
11126 line_offset: tab_size as usize + 5,
11127 },
11128 Invisible::Whitespace {
11129 line_offset: tab_size as usize + 6,
11130 },
11131 Invisible::Whitespace {
11132 line_offset: tab_size as usize + 7,
11133 },
11134 ];
11135 let expected_invisibles = std::iter::once(repeated_invisibles)
11136 .cycle()
11137 .take(9)
11138 .flatten()
11139 .collect::<Vec<_>>();
11140 assert_eq!(
11141 expected_invisibles.len(),
11142 input_text
11143 .chars()
11144 .filter(|initial_char| initial_char.is_whitespace())
11145 .count(),
11146 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
11147 );
11148 info!("Expected invisibles: {expected_invisibles:?}");
11149
11150 init_test(cx, |_| {});
11151
11152 // Put the same string with repeating whitespace pattern into editors of various size,
11153 // take deliberately small steps during resizing, to put all whitespace kinds near the wrap point.
11154 let resize_step = 10.0;
11155 let mut editor_width = 200.0;
11156 while editor_width <= 1000.0 {
11157 for show_line_numbers in [true, false] {
11158 update_test_language_settings(cx, |s| {
11159 s.defaults.tab_size = NonZeroU32::new(tab_size);
11160 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11161 s.defaults.preferred_line_length = Some(editor_width as u32);
11162 s.defaults.soft_wrap = Some(language_settings::SoftWrap::PreferredLineLength);
11163 });
11164
11165 let actual_invisibles = collect_invisibles_from_new_editor(
11166 cx,
11167 EditorMode::full(),
11168 &input_text,
11169 px(editor_width),
11170 show_line_numbers,
11171 );
11172
11173 // Whatever the editor size is, ensure it has the same invisible kinds in the same order
11174 // (no good guarantees about the offsets: wrapping could trigger padding and its tests should check the offsets).
11175 let mut i = 0;
11176 for (actual_index, actual_invisible) in actual_invisibles.iter().enumerate() {
11177 i = actual_index;
11178 match expected_invisibles.get(i) {
11179 Some(expected_invisible) => match (expected_invisible, actual_invisible) {
11180 (Invisible::Whitespace { .. }, Invisible::Whitespace { .. })
11181 | (Invisible::Tab { .. }, Invisible::Tab { .. }) => {}
11182 _ => {
11183 panic!(
11184 "At index {i}, expected invisible {expected_invisible:?} does not match actual {actual_invisible:?} by kind. Actual invisibles: {actual_invisibles:?}"
11185 )
11186 }
11187 },
11188 None => {
11189 panic!("Unexpected extra invisible {actual_invisible:?} at index {i}")
11190 }
11191 }
11192 }
11193 let missing_expected_invisibles = &expected_invisibles[i + 1..];
11194 assert!(
11195 missing_expected_invisibles.is_empty(),
11196 "Missing expected invisibles after index {i}: {missing_expected_invisibles:?}"
11197 );
11198
11199 editor_width += resize_step;
11200 }
11201 }
11202 }
11203
11204 fn collect_invisibles_from_new_editor(
11205 cx: &mut TestAppContext,
11206 editor_mode: EditorMode,
11207 input_text: &str,
11208 editor_width: Pixels,
11209 show_line_numbers: bool,
11210 ) -> Vec<Invisible> {
11211 info!(
11212 "Creating editor with mode {editor_mode:?}, width {}px and text '{input_text}'",
11213 f32::from(editor_width)
11214 );
11215 let window = cx.add_window(|window, cx| {
11216 let buffer = MultiBuffer::build_simple(input_text, cx);
11217 Editor::new(editor_mode, buffer, None, window, cx)
11218 });
11219 let cx = &mut VisualTestContext::from_window(*window, cx);
11220 let editor = window.root(cx).unwrap();
11221
11222 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
11223 window
11224 .update(cx, |editor, _, cx| {
11225 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
11226 editor.set_wrap_width(Some(editor_width), cx);
11227 editor.set_show_line_numbers(show_line_numbers, cx);
11228 })
11229 .unwrap();
11230 let (_, state) = cx.draw(
11231 point(px(500.), px(500.)),
11232 size(px(500.), px(500.)),
11233 |_, _| EditorElement::new(&editor, style),
11234 );
11235 state
11236 .position_map
11237 .line_layouts
11238 .iter()
11239 .flat_map(|line_with_invisibles| &line_with_invisibles.invisibles)
11240 .cloned()
11241 .collect()
11242 }
11243
11244 #[gpui::test]
11245 fn test_merge_overlapping_ranges() {
11246 let base_bg = Hsla::white();
11247 let color1 = Hsla {
11248 h: 0.0,
11249 s: 0.5,
11250 l: 0.5,
11251 a: 0.5,
11252 };
11253 let color2 = Hsla {
11254 h: 120.0,
11255 s: 0.5,
11256 l: 0.5,
11257 a: 0.5,
11258 };
11259
11260 let display_point = |col| DisplayPoint::new(DisplayRow(0), col);
11261 let cols = |v: &Vec<(Range<DisplayPoint>, Hsla)>| -> Vec<(u32, u32)> {
11262 v.iter()
11263 .map(|(r, _)| (r.start.column(), r.end.column()))
11264 .collect()
11265 };
11266
11267 // Test overlapping ranges blend colors
11268 let overlapping = vec![
11269 (display_point(5)..display_point(15), color1),
11270 (display_point(10)..display_point(20), color2),
11271 ];
11272 let result = EditorElement::merge_overlapping_ranges(overlapping, base_bg);
11273 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11274
11275 // Test middle segment should have blended color
11276 let blended = Hsla::blend(Hsla::blend(base_bg, color1), color2);
11277 assert_eq!(result[1].1, blended);
11278
11279 // Test adjacent same-color ranges merge
11280 let adjacent_same = vec![
11281 (display_point(5)..display_point(10), color1),
11282 (display_point(10)..display_point(15), color1),
11283 ];
11284 let result = EditorElement::merge_overlapping_ranges(adjacent_same, base_bg);
11285 assert_eq!(cols(&result), vec![(5, 15)]);
11286
11287 // Test contained range splits
11288 let contained = vec![
11289 (display_point(5)..display_point(20), color1),
11290 (display_point(10)..display_point(15), color2),
11291 ];
11292 let result = EditorElement::merge_overlapping_ranges(contained, base_bg);
11293 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11294
11295 // Test multiple overlaps split at every boundary
11296 let color3 = Hsla {
11297 h: 240.0,
11298 s: 0.5,
11299 l: 0.5,
11300 a: 0.5,
11301 };
11302 let complex = vec![
11303 (display_point(5)..display_point(12), color1),
11304 (display_point(8)..display_point(16), color2),
11305 (display_point(10)..display_point(14), color3),
11306 ];
11307 let result = EditorElement::merge_overlapping_ranges(complex, base_bg);
11308 assert_eq!(
11309 cols(&result),
11310 vec![(5, 8), (8, 10), (10, 12), (12, 14), (14, 16)]
11311 );
11312 }
11313
11314 #[gpui::test]
11315 fn test_bg_segments_per_row() {
11316 let base_bg = Hsla::white();
11317
11318 // Case A: selection spans three display rows: row 1 [5, end), full row 2, row 3 [0, 7)
11319 {
11320 let selection_color = Hsla {
11321 h: 200.0,
11322 s: 0.5,
11323 l: 0.5,
11324 a: 0.5,
11325 };
11326 let player_color = PlayerColor {
11327 cursor: selection_color,
11328 background: selection_color,
11329 selection: selection_color,
11330 };
11331
11332 let spanning_selection = SelectionLayout {
11333 head: DisplayPoint::new(DisplayRow(3), 7),
11334 cursor_shape: CursorShape::Bar,
11335 is_newest: true,
11336 is_local: true,
11337 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 7),
11338 active_rows: DisplayRow(1)..DisplayRow(4),
11339 user_name: None,
11340 };
11341
11342 let selections = vec![(player_color, vec![spanning_selection])];
11343 let result = EditorElement::bg_segments_per_row(
11344 DisplayRow(0)..DisplayRow(5),
11345 &selections,
11346 &[],
11347 base_bg,
11348 );
11349
11350 assert_eq!(result.len(), 5);
11351 assert!(result[0].is_empty());
11352 assert_eq!(result[1].len(), 1);
11353 assert_eq!(result[2].len(), 1);
11354 assert_eq!(result[3].len(), 1);
11355 assert!(result[4].is_empty());
11356
11357 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11358 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11359 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11360 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11361 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11362 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11363 assert_eq!(result[3][0].0.start, DisplayPoint::new(DisplayRow(3), 0));
11364 assert_eq!(result[3][0].0.end, DisplayPoint::new(DisplayRow(3), 7));
11365 }
11366
11367 // Case B: selection ends exactly at the start of row 3, excluding row 3
11368 {
11369 let selection_color = Hsla {
11370 h: 120.0,
11371 s: 0.5,
11372 l: 0.5,
11373 a: 0.5,
11374 };
11375 let player_color = PlayerColor {
11376 cursor: selection_color,
11377 background: selection_color,
11378 selection: selection_color,
11379 };
11380
11381 let selection = SelectionLayout {
11382 head: DisplayPoint::new(DisplayRow(2), 0),
11383 cursor_shape: CursorShape::Bar,
11384 is_newest: true,
11385 is_local: true,
11386 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 0),
11387 active_rows: DisplayRow(1)..DisplayRow(3),
11388 user_name: None,
11389 };
11390
11391 let selections = vec![(player_color, vec![selection])];
11392 let result = EditorElement::bg_segments_per_row(
11393 DisplayRow(0)..DisplayRow(4),
11394 &selections,
11395 &[],
11396 base_bg,
11397 );
11398
11399 assert_eq!(result.len(), 4);
11400 assert!(result[0].is_empty());
11401 assert_eq!(result[1].len(), 1);
11402 assert_eq!(result[2].len(), 1);
11403 assert!(result[3].is_empty());
11404
11405 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11406 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11407 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11408 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11409 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11410 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11411 }
11412 }
11413
11414 #[cfg(test)]
11415 fn generate_test_run(len: usize, color: Hsla) -> TextRun {
11416 TextRun {
11417 len,
11418 font: gpui::font(".SystemUIFont"),
11419 color,
11420 background_color: None,
11421 underline: None,
11422 strikethrough: None,
11423 }
11424 }
11425
11426 #[gpui::test]
11427 fn test_split_runs_by_bg_segments(cx: &mut gpui::TestAppContext) {
11428 init_test(cx, |_| {});
11429
11430 let dx = |start: u32, end: u32| {
11431 DisplayPoint::new(DisplayRow(0), start)..DisplayPoint::new(DisplayRow(0), end)
11432 };
11433
11434 let text_color = Hsla {
11435 h: 210.0,
11436 s: 0.1,
11437 l: 0.4,
11438 a: 1.0,
11439 };
11440 let bg_1 = Hsla {
11441 h: 30.0,
11442 s: 0.6,
11443 l: 0.8,
11444 a: 1.0,
11445 };
11446 let bg_2 = Hsla {
11447 h: 200.0,
11448 s: 0.6,
11449 l: 0.2,
11450 a: 1.0,
11451 };
11452 let min_contrast = 45.0;
11453 let adjusted_bg1 = ensure_minimum_contrast(text_color, bg_1, min_contrast);
11454 let adjusted_bg2 = ensure_minimum_contrast(text_color, bg_2, min_contrast);
11455
11456 // Case A: single run; disjoint segments inside the run
11457 {
11458 let runs = vec![generate_test_run(20, text_color)];
11459 let segs = vec![(dx(5, 10), bg_1), (dx(12, 16), bg_2)];
11460 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11461 // Expected slices: [0,5) [5,10) [10,12) [12,16) [16,20)
11462 assert_eq!(
11463 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11464 vec![5, 5, 2, 4, 4]
11465 );
11466 assert_eq!(out[0].color, text_color);
11467 assert_eq!(out[1].color, adjusted_bg1);
11468 assert_eq!(out[2].color, text_color);
11469 assert_eq!(out[3].color, adjusted_bg2);
11470 assert_eq!(out[4].color, text_color);
11471 }
11472
11473 // Case B: multiple runs; segment extends to end of line (u32::MAX)
11474 {
11475 let runs = vec![
11476 generate_test_run(8, text_color),
11477 generate_test_run(7, text_color),
11478 ];
11479 let segs = vec![(dx(6, u32::MAX), bg_1)];
11480 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11481 // Expected slices across runs: [0,6) [6,8) | [0,7)
11482 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![6, 2, 7]);
11483 assert_eq!(out[0].color, text_color);
11484 assert_eq!(out[1].color, adjusted_bg1);
11485 assert_eq!(out[2].color, adjusted_bg1);
11486 }
11487
11488 // Case C: multi-byte characters
11489 {
11490 // for text: "Hello π δΈη!"
11491 let runs = vec![
11492 generate_test_run(5, text_color), // "Hello"
11493 generate_test_run(6, text_color), // " π "
11494 generate_test_run(6, text_color), // "δΈη"
11495 generate_test_run(1, text_color), // "!"
11496 ];
11497 // selecting "π δΈ"
11498 let segs = vec![(dx(6, 14), bg_1)];
11499 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11500 // "Hello" | " " | "π " | "δΈ" | "η" | "!"
11501 assert_eq!(
11502 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11503 vec![5, 1, 5, 3, 3, 1]
11504 );
11505 assert_eq!(out[0].color, text_color); // "Hello"
11506 assert_eq!(out[2].color, adjusted_bg1); // "π "
11507 assert_eq!(out[3].color, adjusted_bg1); // "δΈ"
11508 assert_eq!(out[4].color, text_color); // "η"
11509 assert_eq!(out[5].color, text_color); // "!"
11510 }
11511
11512 // Case D: split multiple consecutive text runs with segments
11513 {
11514 let segs = vec![
11515 (dx(2, 4), bg_1), // selecting "cd"
11516 (dx(4, 8), bg_2), // selecting "efgh"
11517 (dx(9, 11), bg_1), // selecting "jk"
11518 (dx(12, 16), bg_2), // selecting "mnop"
11519 (dx(18, 19), bg_1), // selecting "s"
11520 ];
11521
11522 // for text: "abcdef"
11523 let runs = vec![
11524 generate_test_run(2, text_color), // ab
11525 generate_test_run(4, text_color), // cdef
11526 ];
11527 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11528 // new splits "ab", "cd", "ef"
11529 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![2, 2, 2]);
11530 assert_eq!(out[0].color, text_color);
11531 assert_eq!(out[1].color, adjusted_bg1);
11532 assert_eq!(out[2].color, adjusted_bg2);
11533
11534 // for text: "ghijklmn"
11535 let runs = vec![
11536 generate_test_run(3, text_color), // ghi
11537 generate_test_run(2, text_color), // jk
11538 generate_test_run(3, text_color), // lmn
11539 ];
11540 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 6); // 2 + 4 from first run
11541 // new splits "gh", "i", "jk", "l", "mn"
11542 assert_eq!(
11543 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11544 vec![2, 1, 2, 1, 2]
11545 );
11546 assert_eq!(out[0].color, adjusted_bg2);
11547 assert_eq!(out[1].color, text_color);
11548 assert_eq!(out[2].color, adjusted_bg1);
11549 assert_eq!(out[3].color, text_color);
11550 assert_eq!(out[4].color, adjusted_bg2);
11551
11552 // for text: "opqrs"
11553 let runs = vec![
11554 generate_test_run(1, text_color), // o
11555 generate_test_run(4, text_color), // pqrs
11556 ];
11557 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 14); // 6 + 3 + 2 + 3 from first two runs
11558 // new splits "o", "p", "qr", "s"
11559 assert_eq!(
11560 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11561 vec![1, 1, 2, 1]
11562 );
11563 assert_eq!(out[0].color, adjusted_bg2);
11564 assert_eq!(out[1].color, adjusted_bg2);
11565 assert_eq!(out[2].color, text_color);
11566 assert_eq!(out[3].color, adjusted_bg1);
11567 }
11568 }
11569}