1use crate::{
2 ActiveDiagnostic, BlockId, CURSORS_VISIBLE_FOR, ChunkRendererContext, ChunkReplacement,
3 CodeActionSource, ColumnarMode, ConflictsOurs, ConflictsOursMarker, ConflictsOuter,
4 ConflictsTheirs, ConflictsTheirsMarker, ContextMenuPlacement, CursorShape, CustomBlockId,
5 DisplayDiffHunk, DisplayPoint, DisplayRow, DocumentHighlightRead, DocumentHighlightWrite,
6 EditDisplayMode, EditPrediction, Editor, EditorMode, EditorSettings, EditorSnapshot,
7 EditorStyle, FILE_HEADER_HEIGHT, FocusedBlock, GutterDimensions, HalfPageDown, HalfPageUp,
8 HandleInput, HoveredCursor, InlayHintRefreshReason, JumpData, LineDown, LineHighlight, LineUp,
9 MAX_LINE_LEN, MINIMAP_FONT_SIZE, MULTI_BUFFER_EXCERPT_HEADER_HEIGHT, OpenExcerpts, PageDown,
10 PageUp, PhantomBreakpointIndicator, Point, RowExt, RowRangeExt, SelectPhase,
11 SelectedTextHighlight, Selection, SelectionDragState, SoftWrap, StickyHeaderExcerpt, ToPoint,
12 ToggleFold, ToggleFoldAll,
13 code_context_menus::{CodeActionsMenu, MENU_ASIDE_MAX_WIDTH, MENU_ASIDE_MIN_WIDTH, MENU_GAP},
14 display_map::{
15 Block, BlockContext, BlockStyle, ChunkRendererId, DisplaySnapshot, EditorMargins,
16 HighlightKey, HighlightedChunk, ToDisplayPoint,
17 },
18 editor_settings::{
19 CurrentLineHighlight, DocumentColorsRenderMode, DoubleClickInMultibuffer, Minimap,
20 MinimapThumb, MinimapThumbBorder, ScrollBeyondLastLine, ScrollbarAxes,
21 ScrollbarDiagnostics, ShowMinimap,
22 },
23 git::blame::{BlameRenderer, GitBlame, GlobalBlameRenderer},
24 hover_popover::{
25 self, HOVER_POPOVER_GAP, MIN_POPOVER_CHARACTER_WIDTH, MIN_POPOVER_LINE_HEIGHT,
26 POPOVER_RIGHT_OFFSET, hover_at,
27 },
28 inlay_hint_settings,
29 items::BufferSearchHighlights,
30 mouse_context_menu::{self, MenuPosition},
31 scroll::{
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::backtab);
236 register_action(editor, window, Editor::indent);
237 register_action(editor, window, Editor::outdent);
238 register_action(editor, window, Editor::autoindent);
239 register_action(editor, window, Editor::delete_line);
240 register_action(editor, window, Editor::join_lines);
241 register_action(editor, window, Editor::sort_lines_by_length);
242 register_action(editor, window, Editor::sort_lines_case_sensitive);
243 register_action(editor, window, Editor::sort_lines_case_insensitive);
244 register_action(editor, window, Editor::reverse_lines);
245 register_action(editor, window, Editor::shuffle_lines);
246 register_action(editor, window, Editor::convert_indentation_to_spaces);
247 register_action(editor, window, Editor::convert_indentation_to_tabs);
248 register_action(editor, window, Editor::convert_to_upper_case);
249 register_action(editor, window, Editor::convert_to_lower_case);
250 register_action(editor, window, Editor::convert_to_title_case);
251 register_action(editor, window, Editor::convert_to_snake_case);
252 register_action(editor, window, Editor::convert_to_kebab_case);
253 register_action(editor, window, Editor::convert_to_upper_camel_case);
254 register_action(editor, window, Editor::convert_to_lower_camel_case);
255 register_action(editor, window, Editor::convert_to_opposite_case);
256 register_action(editor, window, Editor::convert_to_sentence_case);
257 register_action(editor, window, Editor::toggle_case);
258 register_action(editor, window, Editor::convert_to_rot13);
259 register_action(editor, window, Editor::convert_to_rot47);
260 register_action(editor, window, Editor::delete_to_previous_word_start);
261 register_action(editor, window, Editor::delete_to_previous_subword_start);
262 register_action(editor, window, Editor::delete_to_next_word_end);
263 register_action(editor, window, Editor::delete_to_next_subword_end);
264 register_action(editor, window, Editor::delete_to_beginning_of_line);
265 register_action(editor, window, Editor::delete_to_end_of_line);
266 register_action(editor, window, Editor::cut_to_end_of_line);
267 register_action(editor, window, Editor::duplicate_line_up);
268 register_action(editor, window, Editor::duplicate_line_down);
269 register_action(editor, window, Editor::duplicate_selection);
270 register_action(editor, window, Editor::move_line_up);
271 register_action(editor, window, Editor::move_line_down);
272 register_action(editor, window, Editor::transpose);
273 register_action(editor, window, Editor::rewrap);
274 register_action(editor, window, Editor::cut);
275 register_action(editor, window, Editor::kill_ring_cut);
276 register_action(editor, window, Editor::kill_ring_yank);
277 register_action(editor, window, Editor::copy);
278 register_action(editor, window, Editor::copy_and_trim);
279 register_action(editor, window, Editor::diff_clipboard_with_selection);
280 register_action(editor, window, Editor::paste);
281 register_action(editor, window, Editor::undo);
282 register_action(editor, window, Editor::redo);
283 register_action(editor, window, Editor::move_page_up);
284 register_action(editor, window, Editor::move_page_down);
285 register_action(editor, window, Editor::next_screen);
286 register_action(editor, window, Editor::scroll_cursor_top);
287 register_action(editor, window, Editor::scroll_cursor_center);
288 register_action(editor, window, Editor::scroll_cursor_bottom);
289 register_action(editor, window, Editor::scroll_cursor_center_top_bottom);
290 register_action(editor, window, |editor, _: &LineDown, window, cx| {
291 editor.scroll_screen(&ScrollAmount::Line(1.), window, cx)
292 });
293 register_action(editor, window, |editor, _: &LineUp, window, cx| {
294 editor.scroll_screen(&ScrollAmount::Line(-1.), window, cx)
295 });
296 register_action(editor, window, |editor, _: &HalfPageDown, window, cx| {
297 editor.scroll_screen(&ScrollAmount::Page(0.5), window, cx)
298 });
299 register_action(
300 editor,
301 window,
302 |editor, HandleInput(text): &HandleInput, window, cx| {
303 if text.is_empty() {
304 return;
305 }
306 editor.handle_input(text, window, cx);
307 },
308 );
309 register_action(editor, window, |editor, _: &HalfPageUp, window, cx| {
310 editor.scroll_screen(&ScrollAmount::Page(-0.5), window, cx)
311 });
312 register_action(editor, window, |editor, _: &PageDown, window, cx| {
313 editor.scroll_screen(&ScrollAmount::Page(1.), window, cx)
314 });
315 register_action(editor, window, |editor, _: &PageUp, window, cx| {
316 editor.scroll_screen(&ScrollAmount::Page(-1.), window, cx)
317 });
318 register_action(editor, window, Editor::move_to_previous_word_start);
319 register_action(editor, window, Editor::move_to_previous_subword_start);
320 register_action(editor, window, Editor::move_to_next_word_end);
321 register_action(editor, window, Editor::move_to_next_subword_end);
322 register_action(editor, window, Editor::move_to_beginning_of_line);
323 register_action(editor, window, Editor::move_to_end_of_line);
324 register_action(editor, window, Editor::move_to_start_of_paragraph);
325 register_action(editor, window, Editor::move_to_end_of_paragraph);
326 register_action(editor, window, Editor::move_to_beginning);
327 register_action(editor, window, Editor::move_to_end);
328 register_action(editor, window, Editor::move_to_start_of_excerpt);
329 register_action(editor, window, Editor::move_to_start_of_next_excerpt);
330 register_action(editor, window, Editor::move_to_end_of_excerpt);
331 register_action(editor, window, Editor::move_to_end_of_previous_excerpt);
332 register_action(editor, window, Editor::select_up);
333 register_action(editor, window, Editor::select_down);
334 register_action(editor, window, Editor::select_left);
335 register_action(editor, window, Editor::select_right);
336 register_action(editor, window, Editor::select_to_previous_word_start);
337 register_action(editor, window, Editor::select_to_previous_subword_start);
338 register_action(editor, window, Editor::select_to_next_word_end);
339 register_action(editor, window, Editor::select_to_next_subword_end);
340 register_action(editor, window, Editor::select_to_beginning_of_line);
341 register_action(editor, window, Editor::select_to_end_of_line);
342 register_action(editor, window, Editor::select_to_start_of_paragraph);
343 register_action(editor, window, Editor::select_to_end_of_paragraph);
344 register_action(editor, window, Editor::select_to_start_of_excerpt);
345 register_action(editor, window, Editor::select_to_start_of_next_excerpt);
346 register_action(editor, window, Editor::select_to_end_of_excerpt);
347 register_action(editor, window, Editor::select_to_end_of_previous_excerpt);
348 register_action(editor, window, Editor::select_to_beginning);
349 register_action(editor, window, Editor::select_to_end);
350 register_action(editor, window, Editor::select_all);
351 register_action(editor, window, |editor, action, window, cx| {
352 editor.select_all_matches(action, window, cx).log_err();
353 });
354 register_action(editor, window, Editor::select_line);
355 register_action(editor, window, Editor::split_selection_into_lines);
356 register_action(editor, window, Editor::add_selection_above);
357 register_action(editor, window, Editor::add_selection_below);
358 register_action(editor, window, |editor, action, window, cx| {
359 editor.select_next(action, window, cx).log_err();
360 });
361 register_action(editor, window, |editor, action, window, cx| {
362 editor.select_previous(action, window, cx).log_err();
363 });
364 register_action(editor, window, |editor, action, window, cx| {
365 editor.find_next_match(action, window, cx).log_err();
366 });
367 register_action(editor, window, |editor, action, window, cx| {
368 editor.find_previous_match(action, window, cx).log_err();
369 });
370 register_action(editor, window, Editor::toggle_comments);
371 register_action(editor, window, Editor::select_larger_syntax_node);
372 register_action(editor, window, Editor::select_smaller_syntax_node);
373 register_action(editor, window, Editor::select_next_syntax_node);
374 register_action(editor, window, Editor::select_prev_syntax_node);
375 register_action(editor, window, Editor::unwrap_syntax_node);
376 register_action(editor, window, Editor::select_enclosing_symbol);
377 register_action(editor, window, Editor::move_to_enclosing_bracket);
378 register_action(editor, window, Editor::undo_selection);
379 register_action(editor, window, Editor::redo_selection);
380 if editor.read(cx).buffer_kind(cx) == ItemBufferKind::Multibuffer {
381 register_action(editor, window, Editor::expand_excerpts);
382 register_action(editor, window, Editor::expand_excerpts_up);
383 register_action(editor, window, Editor::expand_excerpts_down);
384 }
385 register_action(editor, window, Editor::go_to_diagnostic);
386 register_action(editor, window, Editor::go_to_prev_diagnostic);
387 register_action(editor, window, Editor::go_to_next_hunk);
388 register_action(editor, window, Editor::go_to_prev_hunk);
389 register_action(editor, window, Editor::go_to_next_document_highlight);
390 register_action(editor, window, Editor::go_to_prev_document_highlight);
391 register_action(editor, window, |editor, action, window, cx| {
392 editor
393 .go_to_definition(action, window, cx)
394 .detach_and_log_err(cx);
395 });
396 register_action(editor, window, |editor, action, window, cx| {
397 editor
398 .go_to_definition_split(action, window, cx)
399 .detach_and_log_err(cx);
400 });
401 register_action(editor, window, |editor, action, window, cx| {
402 editor
403 .go_to_declaration(action, window, cx)
404 .detach_and_log_err(cx);
405 });
406 register_action(editor, window, |editor, action, window, cx| {
407 editor
408 .go_to_declaration_split(action, window, cx)
409 .detach_and_log_err(cx);
410 });
411 register_action(editor, window, |editor, action, window, cx| {
412 editor
413 .go_to_implementation(action, window, cx)
414 .detach_and_log_err(cx);
415 });
416 register_action(editor, window, |editor, action, window, cx| {
417 editor
418 .go_to_implementation_split(action, window, cx)
419 .detach_and_log_err(cx);
420 });
421 register_action(editor, window, |editor, action, window, cx| {
422 editor
423 .go_to_type_definition(action, window, cx)
424 .detach_and_log_err(cx);
425 });
426 register_action(editor, window, |editor, action, window, cx| {
427 editor
428 .go_to_type_definition_split(action, window, cx)
429 .detach_and_log_err(cx);
430 });
431 register_action(editor, window, Editor::open_url);
432 register_action(editor, window, Editor::open_selected_filename);
433 register_action(editor, window, Editor::fold);
434 register_action(editor, window, Editor::fold_at_level);
435 register_action(editor, window, Editor::fold_all);
436 register_action(editor, window, Editor::fold_function_bodies);
437 register_action(editor, window, Editor::fold_recursive);
438 register_action(editor, window, Editor::toggle_fold);
439 register_action(editor, window, Editor::toggle_fold_recursive);
440 register_action(editor, window, Editor::toggle_fold_all);
441 register_action(editor, window, Editor::unfold_lines);
442 register_action(editor, window, Editor::unfold_recursive);
443 register_action(editor, window, Editor::unfold_all);
444 register_action(editor, window, Editor::fold_selected_ranges);
445 register_action(editor, window, Editor::set_mark);
446 register_action(editor, window, Editor::swap_selection_ends);
447 register_action(editor, window, Editor::show_completions);
448 register_action(editor, window, Editor::show_word_completions);
449 register_action(editor, window, Editor::toggle_code_actions);
450 register_action(editor, window, Editor::open_excerpts);
451 register_action(editor, window, Editor::open_excerpts_in_split);
452 register_action(editor, window, Editor::open_proposed_changes_editor);
453 register_action(editor, window, Editor::toggle_soft_wrap);
454 register_action(editor, window, Editor::toggle_tab_bar);
455 register_action(editor, window, Editor::toggle_line_numbers);
456 register_action(editor, window, Editor::toggle_relative_line_numbers);
457 register_action(editor, window, Editor::toggle_indent_guides);
458 register_action(editor, window, Editor::toggle_inlay_hints);
459 register_action(editor, window, Editor::toggle_edit_predictions);
460 if editor.read(cx).diagnostics_enabled() {
461 register_action(editor, window, Editor::toggle_diagnostics);
462 }
463 if editor.read(cx).inline_diagnostics_enabled() {
464 register_action(editor, window, Editor::toggle_inline_diagnostics);
465 }
466 if editor.read(cx).supports_minimap(cx) {
467 register_action(editor, window, Editor::toggle_minimap);
468 }
469 register_action(editor, window, hover_popover::hover);
470 register_action(editor, window, Editor::reveal_in_finder);
471 register_action(editor, window, Editor::copy_path);
472 register_action(editor, window, Editor::copy_relative_path);
473 register_action(editor, window, Editor::copy_file_name);
474 register_action(editor, window, Editor::copy_file_name_without_extension);
475 register_action(editor, window, Editor::copy_highlight_json);
476 register_action(editor, window, Editor::copy_permalink_to_line);
477 register_action(editor, window, Editor::open_permalink_to_line);
478 register_action(editor, window, Editor::copy_file_location);
479 register_action(editor, window, Editor::toggle_git_blame);
480 register_action(editor, window, Editor::toggle_git_blame_inline);
481 register_action(editor, window, Editor::open_git_blame_commit);
482 register_action(editor, window, Editor::toggle_selected_diff_hunks);
483 register_action(editor, window, Editor::toggle_staged_selected_diff_hunks);
484 register_action(editor, window, Editor::stage_and_next);
485 register_action(editor, window, Editor::unstage_and_next);
486 register_action(editor, window, Editor::expand_all_diff_hunks);
487 register_action(editor, window, Editor::go_to_previous_change);
488 register_action(editor, window, Editor::go_to_next_change);
489
490 register_action(editor, window, |editor, action, window, cx| {
491 if let Some(task) = editor.format(action, window, cx) {
492 task.detach_and_notify_err(window, cx);
493 } else {
494 cx.propagate();
495 }
496 });
497 register_action(editor, window, |editor, action, window, cx| {
498 if let Some(task) = editor.format_selections(action, window, cx) {
499 task.detach_and_notify_err(window, cx);
500 } else {
501 cx.propagate();
502 }
503 });
504 register_action(editor, window, |editor, action, window, cx| {
505 if let Some(task) = editor.organize_imports(action, window, cx) {
506 task.detach_and_notify_err(window, cx);
507 } else {
508 cx.propagate();
509 }
510 });
511 register_action(editor, window, Editor::restart_language_server);
512 register_action(editor, window, Editor::stop_language_server);
513 register_action(editor, window, Editor::show_character_palette);
514 register_action(editor, window, |editor, action, window, cx| {
515 if let Some(task) = editor.confirm_completion(action, window, cx) {
516 task.detach_and_notify_err(window, cx);
517 } else {
518 cx.propagate();
519 }
520 });
521 register_action(editor, window, |editor, action, window, cx| {
522 if let Some(task) = editor.confirm_completion_replace(action, window, cx) {
523 task.detach_and_notify_err(window, cx);
524 } else {
525 cx.propagate();
526 }
527 });
528 register_action(editor, window, |editor, action, window, cx| {
529 if let Some(task) = editor.confirm_completion_insert(action, window, cx) {
530 task.detach_and_notify_err(window, cx);
531 } else {
532 cx.propagate();
533 }
534 });
535 register_action(editor, window, |editor, action, window, cx| {
536 if let Some(task) = editor.compose_completion(action, window, cx) {
537 task.detach_and_notify_err(window, cx);
538 } else {
539 cx.propagate();
540 }
541 });
542 register_action(editor, window, |editor, action, window, cx| {
543 if let Some(task) = editor.confirm_code_action(action, window, cx) {
544 task.detach_and_notify_err(window, cx);
545 } else {
546 cx.propagate();
547 }
548 });
549 register_action(editor, window, |editor, action, window, cx| {
550 if let Some(task) = editor.rename(action, window, cx) {
551 task.detach_and_notify_err(window, cx);
552 } else {
553 cx.propagate();
554 }
555 });
556 register_action(editor, window, |editor, action, window, cx| {
557 if let Some(task) = editor.confirm_rename(action, window, cx) {
558 task.detach_and_notify_err(window, cx);
559 } else {
560 cx.propagate();
561 }
562 });
563 register_action(editor, window, |editor, action, window, cx| {
564 if let Some(task) = editor.find_all_references(action, window, cx) {
565 task.detach_and_log_err(cx);
566 } else {
567 cx.propagate();
568 }
569 });
570 register_action(editor, window, Editor::show_signature_help);
571 register_action(editor, window, Editor::signature_help_prev);
572 register_action(editor, window, Editor::signature_help_next);
573 register_action(editor, window, Editor::next_edit_prediction);
574 register_action(editor, window, Editor::previous_edit_prediction);
575 register_action(editor, window, Editor::show_edit_prediction);
576 register_action(editor, window, Editor::context_menu_first);
577 register_action(editor, window, Editor::context_menu_prev);
578 register_action(editor, window, Editor::context_menu_next);
579 register_action(editor, window, Editor::context_menu_last);
580 register_action(editor, window, Editor::display_cursor_names);
581 register_action(editor, window, Editor::unique_lines_case_insensitive);
582 register_action(editor, window, Editor::unique_lines_case_sensitive);
583 register_action(editor, window, Editor::accept_partial_edit_prediction);
584 register_action(editor, window, Editor::accept_edit_prediction);
585 register_action(editor, window, Editor::restore_file);
586 register_action(editor, window, Editor::git_restore);
587 register_action(editor, window, Editor::apply_all_diff_hunks);
588 register_action(editor, window, Editor::apply_selected_diff_hunks);
589 register_action(editor, window, Editor::open_active_item_in_terminal);
590 register_action(editor, window, Editor::reload_file);
591 register_action(editor, window, Editor::spawn_nearest_task);
592 register_action(editor, window, Editor::insert_uuid_v4);
593 register_action(editor, window, Editor::insert_uuid_v7);
594 register_action(editor, window, Editor::open_selections_in_multibuffer);
595 register_action(editor, window, Editor::toggle_breakpoint);
596 register_action(editor, window, Editor::edit_log_breakpoint);
597 register_action(editor, window, Editor::enable_breakpoint);
598 register_action(editor, window, Editor::disable_breakpoint);
599 if editor.read(cx).enable_wrap_selections_in_tag(cx) {
600 register_action(editor, window, Editor::wrap_selections_in_tag);
601 }
602 }
603
604 fn register_key_listeners(&self, window: &mut Window, _: &mut App, layout: &EditorLayout) {
605 let position_map = layout.position_map.clone();
606 window.on_key_event({
607 let editor = self.editor.clone();
608 move |event: &ModifiersChangedEvent, phase, window, cx| {
609 if phase != DispatchPhase::Bubble {
610 return;
611 }
612 editor.update(cx, |editor, cx| {
613 let inlay_hint_settings = inlay_hint_settings(
614 editor.selections.newest_anchor().head(),
615 &editor.buffer.read(cx).snapshot(cx),
616 cx,
617 );
618
619 if let Some(inlay_modifiers) = inlay_hint_settings
620 .toggle_on_modifiers_press
621 .as_ref()
622 .filter(|modifiers| modifiers.modified())
623 {
624 editor.refresh_inlay_hints(
625 InlayHintRefreshReason::ModifiersChanged(
626 inlay_modifiers == &event.modifiers,
627 ),
628 cx,
629 );
630 }
631
632 if editor.hover_state.focused(window, cx) {
633 return;
634 }
635
636 editor.handle_modifiers_changed(event.modifiers, &position_map, window, cx);
637 })
638 }
639 });
640 }
641
642 fn mouse_left_down(
643 editor: &mut Editor,
644 event: &MouseDownEvent,
645 hovered_hunk: Option<Range<Anchor>>,
646 position_map: &PositionMap,
647 line_numbers: &HashMap<MultiBufferRow, LineNumberLayout>,
648 window: &mut Window,
649 cx: &mut Context<Editor>,
650 ) {
651 if window.default_prevented() {
652 return;
653 }
654
655 let text_hitbox = &position_map.text_hitbox;
656 let gutter_hitbox = &position_map.gutter_hitbox;
657 let point_for_position = position_map.point_for_position(event.position);
658 let mut click_count = event.click_count;
659 let mut modifiers = event.modifiers;
660
661 if let Some(hovered_hunk) = hovered_hunk {
662 editor.toggle_single_diff_hunk(hovered_hunk, cx);
663 cx.notify();
664 return;
665 } else if gutter_hitbox.is_hovered(window) {
666 click_count = 3; // Simulate triple-click when clicking the gutter to select lines
667 } else if !text_hitbox.is_hovered(window) {
668 return;
669 }
670
671 if EditorSettings::get_global(cx)
672 .drag_and_drop_selection
673 .enabled
674 && click_count == 1
675 {
676 let newest_anchor = editor.selections.newest_anchor();
677 let snapshot = editor.snapshot(window, cx);
678 let selection = newest_anchor.map(|anchor| anchor.to_display_point(&snapshot));
679 if point_for_position.intersects_selection(&selection) {
680 editor.selection_drag_state = SelectionDragState::ReadyToDrag {
681 selection: newest_anchor.clone(),
682 click_position: event.position,
683 mouse_down_time: Instant::now(),
684 };
685 cx.stop_propagation();
686 return;
687 }
688 }
689
690 let is_singleton = editor.buffer().read(cx).is_singleton();
691
692 if click_count == 2 && !is_singleton {
693 match EditorSettings::get_global(cx).double_click_in_multibuffer {
694 DoubleClickInMultibuffer::Select => {
695 // do nothing special on double click, all selection logic is below
696 }
697 DoubleClickInMultibuffer::Open => {
698 if modifiers.alt {
699 // if double click is made with alt, pretend it's a regular double click without opening and alt,
700 // and run the selection logic.
701 modifiers.alt = false;
702 } else {
703 let scroll_position_row = position_map.scroll_position.y;
704 let display_row = (((event.position - gutter_hitbox.bounds.origin).y
705 / position_map.line_height)
706 as f64
707 + position_map.scroll_position.y)
708 as u32;
709 let multi_buffer_row = position_map
710 .snapshot
711 .display_point_to_point(
712 DisplayPoint::new(DisplayRow(display_row), 0),
713 Bias::Right,
714 )
715 .row;
716 let line_offset_from_top = display_row - scroll_position_row as u32;
717 // if double click is made without alt, open the corresponding excerp
718 editor.open_excerpts_common(
719 Some(JumpData::MultiBufferRow {
720 row: MultiBufferRow(multi_buffer_row),
721 line_offset_from_top,
722 }),
723 false,
724 window,
725 cx,
726 );
727 return;
728 }
729 }
730 }
731 }
732
733 let position = point_for_position.previous_valid;
734 if let Some(mode) = Editor::columnar_selection_mode(&modifiers, cx) {
735 editor.select(
736 SelectPhase::BeginColumnar {
737 position,
738 reset: match mode {
739 ColumnarMode::FromMouse => true,
740 ColumnarMode::FromSelection => false,
741 },
742 mode,
743 goal_column: point_for_position.exact_unclipped.column(),
744 },
745 window,
746 cx,
747 );
748 } else if modifiers.shift && !modifiers.control && !modifiers.alt && !modifiers.secondary()
749 {
750 editor.select(
751 SelectPhase::Extend {
752 position,
753 click_count,
754 },
755 window,
756 cx,
757 );
758 } else {
759 editor.select(
760 SelectPhase::Begin {
761 position,
762 add: Editor::multi_cursor_modifier(true, &modifiers, cx),
763 click_count,
764 },
765 window,
766 cx,
767 );
768 }
769 cx.stop_propagation();
770
771 if !is_singleton {
772 let display_row = (ScrollPixelOffset::from(
773 (event.position - gutter_hitbox.bounds.origin).y / position_map.line_height,
774 ) + position_map.scroll_position.y) as u32;
775 let multi_buffer_row = position_map
776 .snapshot
777 .display_point_to_point(DisplayPoint::new(DisplayRow(display_row), 0), Bias::Right)
778 .row;
779 if line_numbers
780 .get(&MultiBufferRow(multi_buffer_row))
781 .and_then(|line_number| line_number.hitbox.as_ref())
782 .is_some_and(|hitbox| hitbox.contains(&event.position))
783 {
784 let line_offset_from_top = display_row - position_map.scroll_position.y as u32;
785
786 editor.open_excerpts_common(
787 Some(JumpData::MultiBufferRow {
788 row: MultiBufferRow(multi_buffer_row),
789 line_offset_from_top,
790 }),
791 modifiers.alt,
792 window,
793 cx,
794 );
795 cx.stop_propagation();
796 }
797 }
798 }
799
800 fn mouse_right_down(
801 editor: &mut Editor,
802 event: &MouseDownEvent,
803 position_map: &PositionMap,
804 window: &mut Window,
805 cx: &mut Context<Editor>,
806 ) {
807 if position_map.gutter_hitbox.is_hovered(window) {
808 let gutter_right_padding = editor.gutter_dimensions.right_padding;
809 let hitbox = &position_map.gutter_hitbox;
810
811 if event.position.x <= hitbox.bounds.right() - gutter_right_padding {
812 let point_for_position = position_map.point_for_position(event.position);
813 editor.set_breakpoint_context_menu(
814 point_for_position.previous_valid.row(),
815 None,
816 event.position,
817 window,
818 cx,
819 );
820 }
821 return;
822 }
823
824 if !position_map.text_hitbox.is_hovered(window) {
825 return;
826 }
827
828 let point_for_position = position_map.point_for_position(event.position);
829 mouse_context_menu::deploy_context_menu(
830 editor,
831 Some(event.position),
832 point_for_position.previous_valid,
833 window,
834 cx,
835 );
836 cx.stop_propagation();
837 }
838
839 fn mouse_middle_down(
840 editor: &mut Editor,
841 event: &MouseDownEvent,
842 position_map: &PositionMap,
843 window: &mut Window,
844 cx: &mut Context<Editor>,
845 ) {
846 if !position_map.text_hitbox.is_hovered(window) || window.default_prevented() {
847 return;
848 }
849
850 let point_for_position = position_map.point_for_position(event.position);
851 let position = point_for_position.previous_valid;
852
853 editor.select(
854 SelectPhase::BeginColumnar {
855 position,
856 reset: true,
857 mode: ColumnarMode::FromMouse,
858 goal_column: point_for_position.exact_unclipped.column(),
859 },
860 window,
861 cx,
862 );
863 }
864
865 fn mouse_up(
866 editor: &mut Editor,
867 event: &MouseUpEvent,
868 position_map: &PositionMap,
869 window: &mut Window,
870 cx: &mut Context<Editor>,
871 ) {
872 let text_hitbox = &position_map.text_hitbox;
873 let end_selection = editor.has_pending_selection();
874 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
875 let point_for_position = position_map.point_for_position(event.position);
876
877 match editor.selection_drag_state {
878 SelectionDragState::ReadyToDrag {
879 selection: _,
880 ref click_position,
881 mouse_down_time: _,
882 } => {
883 if event.position == *click_position {
884 editor.select(
885 SelectPhase::Begin {
886 position: point_for_position.previous_valid,
887 add: false,
888 click_count: 1, // ready to drag state only occurs on click count 1
889 },
890 window,
891 cx,
892 );
893 editor.selection_drag_state = SelectionDragState::None;
894 cx.stop_propagation();
895 return;
896 } else {
897 debug_panic!("drag state can never be in ready state after drag")
898 }
899 }
900 SelectionDragState::Dragging { ref selection, .. } => {
901 let snapshot = editor.snapshot(window, cx);
902 let selection_display = selection.map(|anchor| anchor.to_display_point(&snapshot));
903 if !point_for_position.intersects_selection(&selection_display)
904 && text_hitbox.is_hovered(window)
905 {
906 let is_cut = !(cfg!(target_os = "macos") && event.modifiers.alt
907 || cfg!(not(target_os = "macos")) && event.modifiers.control);
908 editor.move_selection_on_drop(
909 &selection.clone(),
910 point_for_position.previous_valid,
911 is_cut,
912 window,
913 cx,
914 );
915 }
916 editor.selection_drag_state = SelectionDragState::None;
917 cx.stop_propagation();
918 cx.notify();
919 return;
920 }
921 _ => {}
922 }
923
924 if end_selection {
925 editor.select(SelectPhase::End, window, cx);
926 }
927
928 if end_selection && pending_nonempty_selections {
929 cx.stop_propagation();
930 } else if cfg!(any(target_os = "linux", target_os = "freebsd"))
931 && event.button == MouseButton::Middle
932 {
933 #[allow(
934 clippy::collapsible_if,
935 clippy::needless_return,
936 reason = "The cfg-block below makes this a false positive"
937 )]
938 if !text_hitbox.is_hovered(window) || editor.read_only(cx) {
939 return;
940 }
941
942 #[cfg(any(target_os = "linux", target_os = "freebsd"))]
943 if EditorSettings::get_global(cx).middle_click_paste {
944 if let Some(text) = cx.read_from_primary().and_then(|item| item.text()) {
945 let point_for_position = position_map.point_for_position(event.position);
946 let position = point_for_position.previous_valid;
947
948 editor.select(
949 SelectPhase::Begin {
950 position,
951 add: false,
952 click_count: 1,
953 },
954 window,
955 cx,
956 );
957 editor.insert(&text, window, cx);
958 }
959 cx.stop_propagation()
960 }
961 }
962 }
963
964 fn click(
965 editor: &mut Editor,
966 event: &ClickEvent,
967 position_map: &PositionMap,
968 window: &mut Window,
969 cx: &mut Context<Editor>,
970 ) {
971 let text_hitbox = &position_map.text_hitbox;
972 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
973
974 let hovered_link_modifier = Editor::multi_cursor_modifier(false, &event.modifiers(), cx);
975
976 if let Some(mouse_position) = event.mouse_position()
977 && !pending_nonempty_selections
978 && hovered_link_modifier
979 && text_hitbox.is_hovered(window)
980 {
981 let point = position_map.point_for_position(mouse_position);
982 editor.handle_click_hovered_link(point, event.modifiers(), window, cx);
983 editor.selection_drag_state = SelectionDragState::None;
984
985 cx.stop_propagation();
986 }
987 }
988
989 fn mouse_dragged(
990 editor: &mut Editor,
991 event: &MouseMoveEvent,
992 position_map: &PositionMap,
993 window: &mut Window,
994 cx: &mut Context<Editor>,
995 ) {
996 if !editor.has_pending_selection()
997 && matches!(editor.selection_drag_state, SelectionDragState::None)
998 {
999 return;
1000 }
1001
1002 let point_for_position = position_map.point_for_position(event.position);
1003 let text_hitbox = &position_map.text_hitbox;
1004
1005 let scroll_delta = {
1006 let text_bounds = text_hitbox.bounds;
1007 let mut scroll_delta = gpui::Point::<f32>::default();
1008 let vertical_margin = position_map.line_height.min(text_bounds.size.height / 3.0);
1009 let top = text_bounds.origin.y + vertical_margin;
1010 let bottom = text_bounds.bottom_left().y - vertical_margin;
1011 if event.position.y < top {
1012 scroll_delta.y = -scale_vertical_mouse_autoscroll_delta(top - event.position.y);
1013 }
1014 if event.position.y > bottom {
1015 scroll_delta.y = scale_vertical_mouse_autoscroll_delta(event.position.y - bottom);
1016 }
1017
1018 // We need horizontal width of text
1019 let style = editor.style.clone().unwrap_or_default();
1020 let font_id = window.text_system().resolve_font(&style.text.font());
1021 let font_size = style.text.font_size.to_pixels(window.rem_size());
1022 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
1023
1024 let scroll_margin_x = EditorSettings::get_global(cx).horizontal_scroll_margin;
1025
1026 let scroll_space: Pixels = scroll_margin_x * em_width;
1027
1028 let left = text_bounds.origin.x + scroll_space;
1029 let right = text_bounds.top_right().x - scroll_space;
1030
1031 if event.position.x < left {
1032 scroll_delta.x = -scale_horizontal_mouse_autoscroll_delta(left - event.position.x);
1033 }
1034 if event.position.x > right {
1035 scroll_delta.x = scale_horizontal_mouse_autoscroll_delta(event.position.x - right);
1036 }
1037 scroll_delta
1038 };
1039
1040 if !editor.has_pending_selection() {
1041 let drop_anchor = position_map
1042 .snapshot
1043 .display_point_to_anchor(point_for_position.previous_valid, Bias::Left);
1044 match editor.selection_drag_state {
1045 SelectionDragState::Dragging {
1046 ref mut drop_cursor,
1047 ref mut hide_drop_cursor,
1048 ..
1049 } => {
1050 drop_cursor.start = drop_anchor;
1051 drop_cursor.end = drop_anchor;
1052 *hide_drop_cursor = !text_hitbox.is_hovered(window);
1053 editor.apply_scroll_delta(scroll_delta, window, cx);
1054 cx.notify();
1055 }
1056 SelectionDragState::ReadyToDrag {
1057 ref selection,
1058 ref click_position,
1059 ref mouse_down_time,
1060 } => {
1061 let drag_and_drop_delay = Duration::from_millis(
1062 EditorSettings::get_global(cx).drag_and_drop_selection.delay,
1063 );
1064 if mouse_down_time.elapsed() >= drag_and_drop_delay {
1065 let drop_cursor = Selection {
1066 id: post_inc(&mut editor.selections.next_selection_id()),
1067 start: drop_anchor,
1068 end: drop_anchor,
1069 reversed: false,
1070 goal: SelectionGoal::None,
1071 };
1072 editor.selection_drag_state = SelectionDragState::Dragging {
1073 selection: selection.clone(),
1074 drop_cursor,
1075 hide_drop_cursor: false,
1076 };
1077 editor.apply_scroll_delta(scroll_delta, window, cx);
1078 cx.notify();
1079 } else {
1080 let click_point = position_map.point_for_position(*click_position);
1081 editor.selection_drag_state = SelectionDragState::None;
1082 editor.select(
1083 SelectPhase::Begin {
1084 position: click_point.previous_valid,
1085 add: false,
1086 click_count: 1,
1087 },
1088 window,
1089 cx,
1090 );
1091 editor.select(
1092 SelectPhase::Update {
1093 position: point_for_position.previous_valid,
1094 goal_column: point_for_position.exact_unclipped.column(),
1095 scroll_delta,
1096 },
1097 window,
1098 cx,
1099 );
1100 }
1101 }
1102 _ => {}
1103 }
1104 } else {
1105 editor.select(
1106 SelectPhase::Update {
1107 position: point_for_position.previous_valid,
1108 goal_column: point_for_position.exact_unclipped.column(),
1109 scroll_delta,
1110 },
1111 window,
1112 cx,
1113 );
1114 }
1115 }
1116
1117 fn mouse_moved(
1118 editor: &mut Editor,
1119 event: &MouseMoveEvent,
1120 position_map: &PositionMap,
1121 window: &mut Window,
1122 cx: &mut Context<Editor>,
1123 ) {
1124 let text_hitbox = &position_map.text_hitbox;
1125 let gutter_hitbox = &position_map.gutter_hitbox;
1126 let modifiers = event.modifiers;
1127 let text_hovered = text_hitbox.is_hovered(window);
1128 let gutter_hovered = gutter_hitbox.is_hovered(window);
1129 editor.set_gutter_hovered(gutter_hovered, cx);
1130 editor.show_mouse_cursor(cx);
1131
1132 let point_for_position = position_map.point_for_position(event.position);
1133 let valid_point = point_for_position.previous_valid;
1134
1135 let hovered_diff_control = position_map
1136 .diff_hunk_control_bounds
1137 .iter()
1138 .find(|(_, bounds)| bounds.contains(&event.position))
1139 .map(|(row, _)| *row);
1140
1141 let hovered_diff_hunk_row = if let Some(control_row) = hovered_diff_control {
1142 Some(control_row)
1143 } else if text_hovered {
1144 let current_row = valid_point.row();
1145 position_map.display_hunks.iter().find_map(|(hunk, _)| {
1146 if let DisplayDiffHunk::Unfolded {
1147 display_row_range, ..
1148 } = hunk
1149 {
1150 if display_row_range.contains(¤t_row) {
1151 Some(display_row_range.start)
1152 } else {
1153 None
1154 }
1155 } else {
1156 None
1157 }
1158 })
1159 } else {
1160 None
1161 };
1162
1163 if hovered_diff_hunk_row != editor.hovered_diff_hunk_row {
1164 editor.hovered_diff_hunk_row = hovered_diff_hunk_row;
1165 cx.notify();
1166 }
1167
1168 if let Some((bounds, buffer_id, blame_entry)) = &position_map.inline_blame_bounds {
1169 let mouse_over_inline_blame = bounds.contains(&event.position);
1170 let mouse_over_popover = editor
1171 .inline_blame_popover
1172 .as_ref()
1173 .and_then(|state| state.popover_bounds)
1174 .is_some_and(|bounds| bounds.contains(&event.position));
1175 let keyboard_grace = editor
1176 .inline_blame_popover
1177 .as_ref()
1178 .is_some_and(|state| state.keyboard_grace);
1179
1180 if mouse_over_inline_blame || mouse_over_popover {
1181 editor.show_blame_popover(*buffer_id, blame_entry, event.position, false, cx);
1182 } else if !keyboard_grace {
1183 editor.hide_blame_popover(cx);
1184 }
1185 } else {
1186 editor.hide_blame_popover(cx);
1187 }
1188
1189 let breakpoint_indicator = if gutter_hovered {
1190 let buffer_anchor = position_map
1191 .snapshot
1192 .display_point_to_anchor(valid_point, Bias::Left);
1193
1194 if let Some((buffer_snapshot, file)) = position_map
1195 .snapshot
1196 .buffer_snapshot()
1197 .buffer_for_excerpt(buffer_anchor.excerpt_id)
1198 .and_then(|buffer| buffer.file().map(|file| (buffer, file)))
1199 {
1200 let as_point = text::ToPoint::to_point(&buffer_anchor.text_anchor, buffer_snapshot);
1201
1202 let is_visible = editor
1203 .gutter_breakpoint_indicator
1204 .0
1205 .is_some_and(|indicator| indicator.is_active);
1206
1207 let has_existing_breakpoint =
1208 editor.breakpoint_store.as_ref().is_some_and(|store| {
1209 let Some(project) = &editor.project else {
1210 return false;
1211 };
1212 let Some(abs_path) = project.read(cx).absolute_path(
1213 &ProjectPath {
1214 path: file.path().clone(),
1215 worktree_id: file.worktree_id(cx),
1216 },
1217 cx,
1218 ) else {
1219 return false;
1220 };
1221 store
1222 .read(cx)
1223 .breakpoint_at_row(&abs_path, as_point.row, cx)
1224 .is_some()
1225 });
1226
1227 if !is_visible {
1228 editor.gutter_breakpoint_indicator.1.get_or_insert_with(|| {
1229 cx.spawn(async move |this, cx| {
1230 cx.background_executor()
1231 .timer(Duration::from_millis(200))
1232 .await;
1233
1234 this.update(cx, |this, cx| {
1235 if let Some(indicator) = this.gutter_breakpoint_indicator.0.as_mut()
1236 {
1237 indicator.is_active = true;
1238 cx.notify();
1239 }
1240 })
1241 .ok();
1242 })
1243 });
1244 }
1245
1246 Some(PhantomBreakpointIndicator {
1247 display_row: valid_point.row(),
1248 is_active: is_visible,
1249 collides_with_existing_breakpoint: has_existing_breakpoint,
1250 })
1251 } else {
1252 editor.gutter_breakpoint_indicator.1 = None;
1253 None
1254 }
1255 } else {
1256 editor.gutter_breakpoint_indicator.1 = None;
1257 None
1258 };
1259
1260 if &breakpoint_indicator != &editor.gutter_breakpoint_indicator.0 {
1261 editor.gutter_breakpoint_indicator.0 = breakpoint_indicator;
1262 cx.notify();
1263 }
1264
1265 // Don't trigger hover popover if mouse is hovering over context menu
1266 if text_hovered {
1267 editor.update_hovered_link(
1268 point_for_position,
1269 &position_map.snapshot,
1270 modifiers,
1271 window,
1272 cx,
1273 );
1274
1275 if let Some(point) = point_for_position.as_valid() {
1276 let anchor = position_map
1277 .snapshot
1278 .buffer_snapshot()
1279 .anchor_before(point.to_offset(&position_map.snapshot, Bias::Left));
1280 hover_at(editor, Some(anchor), window, cx);
1281 Self::update_visible_cursor(editor, point, position_map, window, cx);
1282 } else {
1283 hover_at(editor, None, window, cx);
1284 }
1285 } else {
1286 editor.hide_hovered_link(cx);
1287 hover_at(editor, None, window, cx);
1288 }
1289 }
1290
1291 fn update_visible_cursor(
1292 editor: &mut Editor,
1293 point: DisplayPoint,
1294 position_map: &PositionMap,
1295 window: &mut Window,
1296 cx: &mut Context<Editor>,
1297 ) {
1298 let snapshot = &position_map.snapshot;
1299 let Some(hub) = editor.collaboration_hub() else {
1300 return;
1301 };
1302 let start = snapshot.display_snapshot.clip_point(
1303 DisplayPoint::new(point.row(), point.column().saturating_sub(1)),
1304 Bias::Left,
1305 );
1306 let end = snapshot.display_snapshot.clip_point(
1307 DisplayPoint::new(
1308 point.row(),
1309 (point.column() + 1).min(snapshot.line_len(point.row())),
1310 ),
1311 Bias::Right,
1312 );
1313
1314 let range = snapshot
1315 .buffer_snapshot()
1316 .anchor_before(start.to_point(&snapshot.display_snapshot))
1317 ..snapshot
1318 .buffer_snapshot()
1319 .anchor_after(end.to_point(&snapshot.display_snapshot));
1320
1321 let Some(selection) = snapshot.remote_selections_in_range(&range, hub, cx).next() else {
1322 return;
1323 };
1324 let key = crate::HoveredCursor {
1325 replica_id: selection.replica_id,
1326 selection_id: selection.selection.id,
1327 };
1328 editor.hovered_cursors.insert(
1329 key.clone(),
1330 cx.spawn_in(window, async move |editor, cx| {
1331 cx.background_executor().timer(CURSORS_VISIBLE_FOR).await;
1332 editor
1333 .update(cx, |editor, cx| {
1334 editor.hovered_cursors.remove(&key);
1335 cx.notify();
1336 })
1337 .ok();
1338 }),
1339 );
1340 cx.notify()
1341 }
1342
1343 fn layout_selections(
1344 &self,
1345 start_anchor: Anchor,
1346 end_anchor: Anchor,
1347 local_selections: &[Selection<Point>],
1348 snapshot: &EditorSnapshot,
1349 start_row: DisplayRow,
1350 end_row: DisplayRow,
1351 window: &mut Window,
1352 cx: &mut App,
1353 ) -> (
1354 Vec<(PlayerColor, Vec<SelectionLayout>)>,
1355 BTreeMap<DisplayRow, LineHighlightSpec>,
1356 Option<DisplayPoint>,
1357 ) {
1358 let mut selections: Vec<(PlayerColor, Vec<SelectionLayout>)> = Vec::new();
1359 let mut active_rows = BTreeMap::new();
1360 let mut newest_selection_head = None;
1361
1362 let Some(editor_with_selections) = self.editor_with_selections(cx) else {
1363 return (selections, active_rows, newest_selection_head);
1364 };
1365
1366 editor_with_selections.update(cx, |editor, cx| {
1367 if editor.show_local_selections {
1368 let mut layouts = Vec::new();
1369 let newest = editor.selections.newest(cx);
1370 for selection in local_selections.iter().cloned() {
1371 let is_empty = selection.start == selection.end;
1372 let is_newest = selection == newest;
1373
1374 let layout = SelectionLayout::new(
1375 selection,
1376 editor.selections.line_mode(),
1377 editor.cursor_shape,
1378 &snapshot.display_snapshot,
1379 is_newest,
1380 editor.leader_id.is_none(),
1381 None,
1382 );
1383 if is_newest {
1384 newest_selection_head = Some(layout.head);
1385 }
1386
1387 for row in cmp::max(layout.active_rows.start.0, start_row.0)
1388 ..=cmp::min(layout.active_rows.end.0, end_row.0)
1389 {
1390 let contains_non_empty_selection = active_rows
1391 .entry(DisplayRow(row))
1392 .or_insert_with(LineHighlightSpec::default);
1393 contains_non_empty_selection.selection |= !is_empty;
1394 }
1395 layouts.push(layout);
1396 }
1397
1398 let player = editor.current_user_player_color(cx);
1399 selections.push((player, layouts));
1400
1401 if let SelectionDragState::Dragging {
1402 ref selection,
1403 ref drop_cursor,
1404 ref hide_drop_cursor,
1405 } = editor.selection_drag_state
1406 && !hide_drop_cursor
1407 && (drop_cursor
1408 .start
1409 .cmp(&selection.start, &snapshot.buffer_snapshot())
1410 .eq(&Ordering::Less)
1411 || drop_cursor
1412 .end
1413 .cmp(&selection.end, &snapshot.buffer_snapshot())
1414 .eq(&Ordering::Greater))
1415 {
1416 let drag_cursor_layout = SelectionLayout::new(
1417 drop_cursor.clone(),
1418 false,
1419 CursorShape::Bar,
1420 &snapshot.display_snapshot,
1421 false,
1422 false,
1423 None,
1424 );
1425 let absent_color = cx.theme().players().absent();
1426 selections.push((absent_color, vec![drag_cursor_layout]));
1427 }
1428 }
1429
1430 if let Some(collaboration_hub) = &editor.collaboration_hub {
1431 // When following someone, render the local selections in their color.
1432 if let Some(leader_id) = editor.leader_id {
1433 match leader_id {
1434 CollaboratorId::PeerId(peer_id) => {
1435 if let Some(collaborator) =
1436 collaboration_hub.collaborators(cx).get(&peer_id)
1437 && let Some(participant_index) = collaboration_hub
1438 .user_participant_indices(cx)
1439 .get(&collaborator.user_id)
1440 && let Some((local_selection_style, _)) = selections.first_mut()
1441 {
1442 *local_selection_style = cx
1443 .theme()
1444 .players()
1445 .color_for_participant(participant_index.0);
1446 }
1447 }
1448 CollaboratorId::Agent => {
1449 if let Some((local_selection_style, _)) = selections.first_mut() {
1450 *local_selection_style = cx.theme().players().agent();
1451 }
1452 }
1453 }
1454 }
1455
1456 let mut remote_selections = HashMap::default();
1457 for selection in snapshot.remote_selections_in_range(
1458 &(start_anchor..end_anchor),
1459 collaboration_hub.as_ref(),
1460 cx,
1461 ) {
1462 // Don't re-render the leader's selections, since the local selections
1463 // match theirs.
1464 if Some(selection.collaborator_id) == editor.leader_id {
1465 continue;
1466 }
1467 let key = HoveredCursor {
1468 replica_id: selection.replica_id,
1469 selection_id: selection.selection.id,
1470 };
1471
1472 let is_shown =
1473 editor.show_cursor_names || editor.hovered_cursors.contains_key(&key);
1474
1475 remote_selections
1476 .entry(selection.replica_id)
1477 .or_insert((selection.color, Vec::new()))
1478 .1
1479 .push(SelectionLayout::new(
1480 selection.selection,
1481 selection.line_mode,
1482 selection.cursor_shape,
1483 &snapshot.display_snapshot,
1484 false,
1485 false,
1486 if is_shown { selection.user_name } else { None },
1487 ));
1488 }
1489
1490 selections.extend(remote_selections.into_values());
1491 } else if !editor.is_focused(window) && editor.show_cursor_when_unfocused {
1492 let layouts = snapshot
1493 .buffer_snapshot()
1494 .selections_in_range(&(start_anchor..end_anchor), true)
1495 .map(move |(_, line_mode, cursor_shape, selection)| {
1496 SelectionLayout::new(
1497 selection,
1498 line_mode,
1499 cursor_shape,
1500 &snapshot.display_snapshot,
1501 false,
1502 false,
1503 None,
1504 )
1505 })
1506 .collect::<Vec<_>>();
1507 let player = editor.current_user_player_color(cx);
1508 selections.push((player, layouts));
1509 }
1510 });
1511
1512 #[cfg(debug_assertions)]
1513 Self::layout_debug_ranges(
1514 &mut selections,
1515 start_anchor..end_anchor,
1516 &snapshot.display_snapshot,
1517 cx,
1518 );
1519
1520 (selections, active_rows, newest_selection_head)
1521 }
1522
1523 fn collect_cursors(
1524 &self,
1525 snapshot: &EditorSnapshot,
1526 cx: &mut App,
1527 ) -> Vec<(DisplayPoint, Hsla)> {
1528 let editor = self.editor.read(cx);
1529 let mut cursors = Vec::new();
1530 let mut skip_local = false;
1531 let mut add_cursor = |anchor: Anchor, color| {
1532 cursors.push((anchor.to_display_point(&snapshot.display_snapshot), color));
1533 };
1534 // Remote cursors
1535 if let Some(collaboration_hub) = &editor.collaboration_hub {
1536 for remote_selection in snapshot.remote_selections_in_range(
1537 &(Anchor::min()..Anchor::max()),
1538 collaboration_hub.deref(),
1539 cx,
1540 ) {
1541 add_cursor(
1542 remote_selection.selection.head(),
1543 remote_selection.color.cursor,
1544 );
1545 if Some(remote_selection.collaborator_id) == editor.leader_id {
1546 skip_local = true;
1547 }
1548 }
1549 }
1550 // Local cursors
1551 if !skip_local {
1552 let color = cx.theme().players().local().cursor;
1553 editor
1554 .selections
1555 .disjoint_anchors()
1556 .iter()
1557 .for_each(|selection| {
1558 add_cursor(selection.head(), color);
1559 });
1560 if let Some(ref selection) = editor.selections.pending_anchor() {
1561 add_cursor(selection.head(), color);
1562 }
1563 }
1564 cursors
1565 }
1566
1567 fn layout_visible_cursors(
1568 &self,
1569 snapshot: &EditorSnapshot,
1570 selections: &[(PlayerColor, Vec<SelectionLayout>)],
1571 row_block_types: &HashMap<DisplayRow, bool>,
1572 visible_display_row_range: Range<DisplayRow>,
1573 line_layouts: &[LineWithInvisibles],
1574 text_hitbox: &Hitbox,
1575 content_origin: gpui::Point<Pixels>,
1576 scroll_position: gpui::Point<ScrollOffset>,
1577 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
1578 line_height: Pixels,
1579 em_width: Pixels,
1580 em_advance: Pixels,
1581 autoscroll_containing_element: bool,
1582 window: &mut Window,
1583 cx: &mut App,
1584 ) -> Vec<CursorLayout> {
1585 let mut autoscroll_bounds = None;
1586 let cursor_layouts = self.editor.update(cx, |editor, cx| {
1587 let mut cursors = Vec::new();
1588
1589 let show_local_cursors = editor.show_local_cursors(window, cx);
1590
1591 for (player_color, selections) in selections {
1592 for selection in selections {
1593 let cursor_position = selection.head;
1594
1595 let in_range = visible_display_row_range.contains(&cursor_position.row());
1596 if (selection.is_local && !show_local_cursors)
1597 || !in_range
1598 || row_block_types.get(&cursor_position.row()) == Some(&true)
1599 {
1600 continue;
1601 }
1602
1603 let cursor_row_layout = &line_layouts
1604 [cursor_position.row().minus(visible_display_row_range.start) as usize];
1605 let cursor_column = cursor_position.column() as usize;
1606
1607 let cursor_character_x = cursor_row_layout.x_for_index(cursor_column);
1608 let mut block_width =
1609 cursor_row_layout.x_for_index(cursor_column + 1) - cursor_character_x;
1610 if block_width == Pixels::ZERO {
1611 block_width = em_advance;
1612 }
1613 let block_text = if let CursorShape::Block = selection.cursor_shape {
1614 snapshot
1615 .grapheme_at(cursor_position)
1616 .or_else(|| {
1617 if snapshot.is_empty() {
1618 snapshot.placeholder_text().and_then(|s| {
1619 s.graphemes(true).next().map(|s| s.to_string().into())
1620 })
1621 } else {
1622 None
1623 }
1624 })
1625 .map(|text| {
1626 let len = text.len();
1627
1628 let font = cursor_row_layout
1629 .font_id_for_index(cursor_column)
1630 .and_then(|cursor_font_id| {
1631 window.text_system().get_font_for_id(cursor_font_id)
1632 })
1633 .unwrap_or(self.style.text.font());
1634
1635 // Invert the text color for the block cursor. Ensure that the text
1636 // color is opaque enough to be visible against the background color.
1637 //
1638 // 0.75 is an arbitrary threshold to determine if the background color is
1639 // opaque enough to use as a text color.
1640 //
1641 // TODO: In the future we should ensure themes have a `text_inverse` color.
1642 let color = if cx.theme().colors().editor_background.a < 0.75 {
1643 match cx.theme().appearance {
1644 Appearance::Dark => Hsla::black(),
1645 Appearance::Light => Hsla::white(),
1646 }
1647 } else {
1648 cx.theme().colors().editor_background
1649 };
1650
1651 window.text_system().shape_line(
1652 text,
1653 cursor_row_layout.font_size,
1654 &[TextRun {
1655 len,
1656 font,
1657 color,
1658 background_color: None,
1659 strikethrough: None,
1660 underline: None,
1661 }],
1662 None,
1663 )
1664 })
1665 } else {
1666 None
1667 };
1668
1669 let x = cursor_character_x - scroll_pixel_position.x.into();
1670 let y = ((cursor_position.row().as_f64() - scroll_position.y)
1671 * ScrollPixelOffset::from(line_height))
1672 .into();
1673 if selection.is_newest {
1674 editor.pixel_position_of_newest_cursor = Some(point(
1675 text_hitbox.origin.x + x + block_width / 2.,
1676 text_hitbox.origin.y + y + line_height / 2.,
1677 ));
1678
1679 if autoscroll_containing_element {
1680 let top = text_hitbox.origin.y
1681 + ((cursor_position.row().as_f64() - scroll_position.y - 3.)
1682 .max(0.)
1683 * ScrollPixelOffset::from(line_height))
1684 .into();
1685 let left = text_hitbox.origin.x
1686 + ((cursor_position.column() as ScrollOffset
1687 - scroll_position.x
1688 - 3.)
1689 .max(0.)
1690 * ScrollPixelOffset::from(em_width))
1691 .into();
1692
1693 let bottom = text_hitbox.origin.y
1694 + ((cursor_position.row().as_f64() - scroll_position.y + 4.)
1695 * ScrollPixelOffset::from(line_height))
1696 .into();
1697 let right = text_hitbox.origin.x
1698 + ((cursor_position.column() as ScrollOffset - scroll_position.x
1699 + 4.)
1700 * ScrollPixelOffset::from(em_width))
1701 .into();
1702
1703 autoscroll_bounds =
1704 Some(Bounds::from_corners(point(left, top), point(right, bottom)))
1705 }
1706 }
1707
1708 let mut cursor = CursorLayout {
1709 color: player_color.cursor,
1710 block_width,
1711 origin: point(x, y),
1712 line_height,
1713 shape: selection.cursor_shape,
1714 block_text,
1715 cursor_name: None,
1716 };
1717 let cursor_name = selection.user_name.clone().map(|name| CursorName {
1718 string: name,
1719 color: self.style.background,
1720 is_top_row: cursor_position.row().0 == 0,
1721 });
1722 cursor.layout(content_origin, cursor_name, window, cx);
1723 cursors.push(cursor);
1724 }
1725 }
1726
1727 cursors
1728 });
1729
1730 if let Some(bounds) = autoscroll_bounds {
1731 window.request_autoscroll(bounds);
1732 }
1733
1734 cursor_layouts
1735 }
1736
1737 fn layout_scrollbars(
1738 &self,
1739 snapshot: &EditorSnapshot,
1740 scrollbar_layout_information: &ScrollbarLayoutInformation,
1741 content_offset: gpui::Point<Pixels>,
1742 scroll_position: gpui::Point<ScrollOffset>,
1743 non_visible_cursors: bool,
1744 right_margin: Pixels,
1745 editor_width: Pixels,
1746 window: &mut Window,
1747 cx: &mut App,
1748 ) -> Option<EditorScrollbars> {
1749 let show_scrollbars = self.editor.read(cx).show_scrollbars;
1750 if (!show_scrollbars.horizontal && !show_scrollbars.vertical)
1751 || self.style.scrollbar_width.is_zero()
1752 {
1753 return None;
1754 }
1755
1756 // If a drag took place after we started dragging the scrollbar,
1757 // cancel the scrollbar drag.
1758 if cx.has_active_drag() {
1759 self.editor.update(cx, |editor, cx| {
1760 editor.scroll_manager.reset_scrollbar_state(cx)
1761 });
1762 }
1763
1764 let editor_settings = EditorSettings::get_global(cx);
1765 let scrollbar_settings = editor_settings.scrollbar;
1766 let show_scrollbars = match scrollbar_settings.show {
1767 ShowScrollbar::Auto => {
1768 let editor = self.editor.read(cx);
1769 let is_singleton = editor.buffer_kind(cx) == ItemBufferKind::Singleton;
1770 // Git
1771 (is_singleton && scrollbar_settings.git_diff && snapshot.buffer_snapshot().has_diff_hunks())
1772 ||
1773 // Buffer Search Results
1774 (is_singleton && scrollbar_settings.search_results && editor.has_background_highlights::<BufferSearchHighlights>())
1775 ||
1776 // Selected Text Occurrences
1777 (is_singleton && scrollbar_settings.selected_text && editor.has_background_highlights::<SelectedTextHighlight>())
1778 ||
1779 // Selected Symbol Occurrences
1780 (is_singleton && scrollbar_settings.selected_symbol && (editor.has_background_highlights::<DocumentHighlightRead>() || editor.has_background_highlights::<DocumentHighlightWrite>()))
1781 ||
1782 // Diagnostics
1783 (is_singleton && scrollbar_settings.diagnostics != ScrollbarDiagnostics::None && snapshot.buffer_snapshot().has_diagnostics())
1784 ||
1785 // Cursors out of sight
1786 non_visible_cursors
1787 ||
1788 // Scrollmanager
1789 editor.scroll_manager.scrollbars_visible()
1790 }
1791 ShowScrollbar::System => self.editor.read(cx).scroll_manager.scrollbars_visible(),
1792 ShowScrollbar::Always => true,
1793 ShowScrollbar::Never => return None,
1794 };
1795
1796 // The horizontal scrollbar is usually slightly offset to align nicely with
1797 // indent guides. However, this offset is not needed if indent guides are
1798 // disabled for the current editor.
1799 let content_offset = self
1800 .editor
1801 .read(cx)
1802 .show_indent_guides
1803 .is_none_or(|should_show| should_show)
1804 .then_some(content_offset)
1805 .unwrap_or_default();
1806
1807 Some(EditorScrollbars::from_scrollbar_axes(
1808 ScrollbarAxes {
1809 horizontal: scrollbar_settings.axes.horizontal
1810 && self.editor.read(cx).show_scrollbars.horizontal,
1811 vertical: scrollbar_settings.axes.vertical
1812 && self.editor.read(cx).show_scrollbars.vertical,
1813 },
1814 scrollbar_layout_information,
1815 content_offset,
1816 scroll_position,
1817 self.style.scrollbar_width,
1818 right_margin,
1819 editor_width,
1820 show_scrollbars,
1821 self.editor.read(cx).scroll_manager.active_scrollbar_state(),
1822 window,
1823 ))
1824 }
1825
1826 fn layout_minimap(
1827 &self,
1828 snapshot: &EditorSnapshot,
1829 minimap_width: Pixels,
1830 scroll_position: gpui::Point<f64>,
1831 scrollbar_layout_information: &ScrollbarLayoutInformation,
1832 scrollbar_layout: Option<&EditorScrollbars>,
1833 window: &mut Window,
1834 cx: &mut App,
1835 ) -> Option<MinimapLayout> {
1836 let minimap_editor = self.editor.read(cx).minimap().cloned()?;
1837
1838 let minimap_settings = EditorSettings::get_global(cx).minimap;
1839
1840 if minimap_settings.on_active_editor() {
1841 let active_editor = self.editor.read(cx).workspace().and_then(|ws| {
1842 ws.read(cx)
1843 .active_pane()
1844 .read(cx)
1845 .active_item()
1846 .and_then(|i| i.act_as::<Editor>(cx))
1847 });
1848 if active_editor.is_some_and(|e| e != self.editor) {
1849 return None;
1850 }
1851 }
1852
1853 if !snapshot.mode.is_full()
1854 || minimap_width.is_zero()
1855 || matches!(
1856 minimap_settings.show,
1857 ShowMinimap::Auto if scrollbar_layout.is_none_or(|layout| !layout.visible)
1858 )
1859 {
1860 return None;
1861 }
1862
1863 const MINIMAP_AXIS: ScrollbarAxis = ScrollbarAxis::Vertical;
1864
1865 let ScrollbarLayoutInformation {
1866 editor_bounds,
1867 scroll_range,
1868 glyph_grid_cell,
1869 } = scrollbar_layout_information;
1870
1871 let line_height = glyph_grid_cell.height;
1872 let scroll_position = scroll_position.along(MINIMAP_AXIS);
1873
1874 let top_right_anchor = scrollbar_layout
1875 .and_then(|layout| layout.vertical.as_ref())
1876 .map(|vertical_scrollbar| vertical_scrollbar.hitbox.origin)
1877 .unwrap_or_else(|| editor_bounds.top_right());
1878
1879 let thumb_state = self
1880 .editor
1881 .read_with(cx, |editor, _| editor.scroll_manager.minimap_thumb_state());
1882
1883 let show_thumb = match minimap_settings.thumb {
1884 MinimapThumb::Always => true,
1885 MinimapThumb::Hover => thumb_state.is_some(),
1886 };
1887
1888 let minimap_bounds = Bounds::from_corner_and_size(
1889 Corner::TopRight,
1890 top_right_anchor,
1891 size(minimap_width, editor_bounds.size.height),
1892 );
1893 let minimap_line_height = self.get_minimap_line_height(
1894 minimap_editor
1895 .read(cx)
1896 .text_style_refinement
1897 .as_ref()
1898 .and_then(|refinement| refinement.font_size)
1899 .unwrap_or(MINIMAP_FONT_SIZE),
1900 window,
1901 cx,
1902 );
1903 let minimap_height = minimap_bounds.size.height;
1904
1905 let visible_editor_lines = (editor_bounds.size.height / line_height) as f64;
1906 let total_editor_lines = (scroll_range.height / line_height) as f64;
1907 let minimap_lines = (minimap_height / minimap_line_height) as f64;
1908
1909 let minimap_scroll_top = MinimapLayout::calculate_minimap_top_offset(
1910 total_editor_lines,
1911 visible_editor_lines,
1912 minimap_lines,
1913 scroll_position,
1914 );
1915
1916 let layout = ScrollbarLayout::for_minimap(
1917 window.insert_hitbox(minimap_bounds, HitboxBehavior::Normal),
1918 visible_editor_lines,
1919 total_editor_lines,
1920 minimap_line_height,
1921 scroll_position,
1922 minimap_scroll_top,
1923 show_thumb,
1924 )
1925 .with_thumb_state(thumb_state);
1926
1927 minimap_editor.update(cx, |editor, cx| {
1928 editor.set_scroll_position(point(0., minimap_scroll_top), window, cx)
1929 });
1930
1931 // Required for the drop shadow to be visible
1932 const PADDING_OFFSET: Pixels = px(4.);
1933
1934 let mut minimap = div()
1935 .size_full()
1936 .shadow_xs()
1937 .px(PADDING_OFFSET)
1938 .child(minimap_editor)
1939 .into_any_element();
1940
1941 let extended_bounds = minimap_bounds.extend(Edges {
1942 right: PADDING_OFFSET,
1943 left: PADDING_OFFSET,
1944 ..Default::default()
1945 });
1946 minimap.layout_as_root(extended_bounds.size.into(), window, cx);
1947 window.with_absolute_element_offset(extended_bounds.origin, |window| {
1948 minimap.prepaint(window, cx)
1949 });
1950
1951 Some(MinimapLayout {
1952 minimap,
1953 thumb_layout: layout,
1954 thumb_border_style: minimap_settings.thumb_border,
1955 minimap_line_height,
1956 minimap_scroll_top,
1957 max_scroll_top: total_editor_lines,
1958 })
1959 }
1960
1961 fn get_minimap_line_height(
1962 &self,
1963 font_size: AbsoluteLength,
1964 window: &mut Window,
1965 cx: &mut App,
1966 ) -> Pixels {
1967 let rem_size = self.rem_size(cx).unwrap_or(window.rem_size());
1968 let mut text_style = self.style.text.clone();
1969 text_style.font_size = font_size;
1970 text_style.line_height_in_pixels(rem_size)
1971 }
1972
1973 fn get_minimap_width(
1974 &self,
1975 minimap_settings: &Minimap,
1976 scrollbars_shown: bool,
1977 text_width: Pixels,
1978 em_width: Pixels,
1979 font_size: Pixels,
1980 rem_size: Pixels,
1981 cx: &App,
1982 ) -> Option<Pixels> {
1983 if minimap_settings.show == ShowMinimap::Auto && !scrollbars_shown {
1984 return None;
1985 }
1986
1987 let minimap_font_size = self.editor.read_with(cx, |editor, cx| {
1988 editor.minimap().map(|minimap_editor| {
1989 minimap_editor
1990 .read(cx)
1991 .text_style_refinement
1992 .as_ref()
1993 .and_then(|refinement| refinement.font_size)
1994 .unwrap_or(MINIMAP_FONT_SIZE)
1995 })
1996 })?;
1997
1998 let minimap_em_width = em_width * (minimap_font_size.to_pixels(rem_size) / font_size);
1999
2000 let minimap_width = (text_width * MinimapLayout::MINIMAP_WIDTH_PCT)
2001 .min(minimap_em_width * minimap_settings.max_width_columns.get() as f32);
2002
2003 (minimap_width >= minimap_em_width * MinimapLayout::MINIMAP_MIN_WIDTH_COLUMNS)
2004 .then_some(minimap_width)
2005 }
2006
2007 fn prepaint_crease_toggles(
2008 &self,
2009 crease_toggles: &mut [Option<AnyElement>],
2010 line_height: Pixels,
2011 gutter_dimensions: &GutterDimensions,
2012 gutter_settings: crate::editor_settings::Gutter,
2013 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2014 gutter_hitbox: &Hitbox,
2015 window: &mut Window,
2016 cx: &mut App,
2017 ) {
2018 for (ix, crease_toggle) in crease_toggles.iter_mut().enumerate() {
2019 if let Some(crease_toggle) = crease_toggle {
2020 debug_assert!(gutter_settings.folds);
2021 let available_space = size(
2022 AvailableSpace::MinContent,
2023 AvailableSpace::Definite(line_height * 0.55),
2024 );
2025 let crease_toggle_size = crease_toggle.layout_as_root(available_space, window, cx);
2026
2027 let position = point(
2028 gutter_dimensions.width - gutter_dimensions.right_padding,
2029 ix as f32 * line_height
2030 - (scroll_pixel_position.y % ScrollPixelOffset::from(line_height)).into(),
2031 );
2032 let centering_offset = point(
2033 (gutter_dimensions.fold_area_width() - crease_toggle_size.width) / 2.,
2034 (line_height - crease_toggle_size.height) / 2.,
2035 );
2036 let origin = gutter_hitbox.origin + position + centering_offset;
2037 crease_toggle.prepaint_as_root(origin, available_space, window, cx);
2038 }
2039 }
2040 }
2041
2042 fn prepaint_expand_toggles(
2043 &self,
2044 expand_toggles: &mut [Option<(AnyElement, gpui::Point<Pixels>)>],
2045 window: &mut Window,
2046 cx: &mut App,
2047 ) {
2048 for (expand_toggle, origin) in expand_toggles.iter_mut().flatten() {
2049 let available_space = size(AvailableSpace::MinContent, AvailableSpace::MinContent);
2050 expand_toggle.layout_as_root(available_space, window, cx);
2051 expand_toggle.prepaint_as_root(*origin, available_space, window, cx);
2052 }
2053 }
2054
2055 fn prepaint_crease_trailers(
2056 &self,
2057 trailers: Vec<Option<AnyElement>>,
2058 lines: &[LineWithInvisibles],
2059 line_height: Pixels,
2060 content_origin: gpui::Point<Pixels>,
2061 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2062 em_width: Pixels,
2063 window: &mut Window,
2064 cx: &mut App,
2065 ) -> Vec<Option<CreaseTrailerLayout>> {
2066 trailers
2067 .into_iter()
2068 .enumerate()
2069 .map(|(ix, element)| {
2070 let mut element = element?;
2071 let available_space = size(
2072 AvailableSpace::MinContent,
2073 AvailableSpace::Definite(line_height),
2074 );
2075 let size = element.layout_as_root(available_space, window, cx);
2076
2077 let line = &lines[ix];
2078 let padding = if line.width == Pixels::ZERO {
2079 Pixels::ZERO
2080 } else {
2081 4. * em_width
2082 };
2083 let position = point(
2084 Pixels::from(scroll_pixel_position.x) + line.width + padding,
2085 ix as f32 * line_height
2086 - (scroll_pixel_position.y % ScrollPixelOffset::from(line_height)).into(),
2087 );
2088 let centering_offset = point(px(0.), (line_height - size.height) / 2.);
2089 let origin = content_origin + position + centering_offset;
2090 element.prepaint_as_root(origin, available_space, window, cx);
2091 Some(CreaseTrailerLayout {
2092 element,
2093 bounds: Bounds::new(origin, size),
2094 })
2095 })
2096 .collect()
2097 }
2098
2099 // Folds contained in a hunk are ignored apart from shrinking visual size
2100 // If a fold contains any hunks then that fold line is marked as modified
2101 fn layout_gutter_diff_hunks(
2102 &self,
2103 line_height: Pixels,
2104 gutter_hitbox: &Hitbox,
2105 display_rows: Range<DisplayRow>,
2106 snapshot: &EditorSnapshot,
2107 window: &mut Window,
2108 cx: &mut App,
2109 ) -> Vec<(DisplayDiffHunk, Option<Hitbox>)> {
2110 let folded_buffers = self.editor.read(cx).folded_buffers(cx);
2111 let mut display_hunks = snapshot
2112 .display_diff_hunks_for_rows(display_rows, folded_buffers)
2113 .map(|hunk| (hunk, None))
2114 .collect::<Vec<_>>();
2115 let git_gutter_setting = ProjectSettings::get_global(cx).git.git_gutter;
2116 if let GitGutterSetting::TrackedFiles = git_gutter_setting {
2117 for (hunk, hitbox) in &mut display_hunks {
2118 if matches!(hunk, DisplayDiffHunk::Unfolded { .. }) {
2119 let hunk_bounds =
2120 Self::diff_hunk_bounds(snapshot, line_height, gutter_hitbox.bounds, hunk);
2121 *hitbox = Some(window.insert_hitbox(hunk_bounds, HitboxBehavior::BlockMouse));
2122 }
2123 }
2124 }
2125
2126 display_hunks
2127 }
2128
2129 fn layout_inline_diagnostics(
2130 &self,
2131 line_layouts: &[LineWithInvisibles],
2132 crease_trailers: &[Option<CreaseTrailerLayout>],
2133 row_block_types: &HashMap<DisplayRow, bool>,
2134 content_origin: gpui::Point<Pixels>,
2135 scroll_position: gpui::Point<ScrollOffset>,
2136 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2137 edit_prediction_popover_origin: Option<gpui::Point<Pixels>>,
2138 start_row: DisplayRow,
2139 end_row: DisplayRow,
2140 line_height: Pixels,
2141 em_width: Pixels,
2142 style: &EditorStyle,
2143 window: &mut Window,
2144 cx: &mut App,
2145 ) -> HashMap<DisplayRow, AnyElement> {
2146 let max_severity = match self
2147 .editor
2148 .read(cx)
2149 .inline_diagnostics_enabled()
2150 .then(|| {
2151 ProjectSettings::get_global(cx)
2152 .diagnostics
2153 .inline
2154 .max_severity
2155 .unwrap_or_else(|| self.editor.read(cx).diagnostics_max_severity)
2156 .into_lsp()
2157 })
2158 .flatten()
2159 {
2160 Some(max_severity) => max_severity,
2161 None => return HashMap::default(),
2162 };
2163
2164 let active_diagnostics_group =
2165 if let ActiveDiagnostic::Group(group) = &self.editor.read(cx).active_diagnostics {
2166 Some(group.group_id)
2167 } else {
2168 None
2169 };
2170
2171 let diagnostics_by_rows = self.editor.update(cx, |editor, cx| {
2172 let snapshot = editor.snapshot(window, cx);
2173 editor
2174 .inline_diagnostics
2175 .iter()
2176 .filter(|(_, diagnostic)| diagnostic.severity <= max_severity)
2177 .filter(|(_, diagnostic)| match active_diagnostics_group {
2178 Some(active_diagnostics_group) => {
2179 // Active diagnostics are all shown in the editor already, no need to display them inline
2180 diagnostic.group_id != active_diagnostics_group
2181 }
2182 None => true,
2183 })
2184 .map(|(point, diag)| (point.to_display_point(&snapshot), diag.clone()))
2185 .skip_while(|(point, _)| point.row() < start_row)
2186 .take_while(|(point, _)| point.row() < end_row)
2187 .filter(|(point, _)| !row_block_types.contains_key(&point.row()))
2188 .fold(HashMap::default(), |mut acc, (point, diagnostic)| {
2189 acc.entry(point.row())
2190 .or_insert_with(Vec::new)
2191 .push(diagnostic);
2192 acc
2193 })
2194 });
2195
2196 if diagnostics_by_rows.is_empty() {
2197 return HashMap::default();
2198 }
2199
2200 let severity_to_color = |sev: &lsp::DiagnosticSeverity| match sev {
2201 &lsp::DiagnosticSeverity::ERROR => Color::Error,
2202 &lsp::DiagnosticSeverity::WARNING => Color::Warning,
2203 &lsp::DiagnosticSeverity::INFORMATION => Color::Info,
2204 &lsp::DiagnosticSeverity::HINT => Color::Hint,
2205 _ => Color::Error,
2206 };
2207
2208 let padding = ProjectSettings::get_global(cx).diagnostics.inline.padding as f32 * em_width;
2209 let min_x = self.column_pixels(
2210 ProjectSettings::get_global(cx)
2211 .diagnostics
2212 .inline
2213 .min_column as usize,
2214 window,
2215 );
2216
2217 let mut elements = HashMap::default();
2218 for (row, mut diagnostics) in diagnostics_by_rows {
2219 diagnostics.sort_by_key(|diagnostic| {
2220 (
2221 diagnostic.severity,
2222 std::cmp::Reverse(diagnostic.is_primary),
2223 diagnostic.start.row,
2224 diagnostic.start.column,
2225 )
2226 });
2227
2228 let Some(diagnostic_to_render) = diagnostics
2229 .iter()
2230 .find(|diagnostic| diagnostic.is_primary)
2231 .or_else(|| diagnostics.first())
2232 else {
2233 continue;
2234 };
2235
2236 let pos_y = content_origin.y + line_height * (row.0 as f64 - scroll_position.y) as f32;
2237
2238 let window_ix = row.0.saturating_sub(start_row.0) as usize;
2239 let pos_x = {
2240 let crease_trailer_layout = &crease_trailers[window_ix];
2241 let line_layout = &line_layouts[window_ix];
2242
2243 let line_end = if let Some(crease_trailer) = crease_trailer_layout {
2244 crease_trailer.bounds.right()
2245 } else {
2246 Pixels::from(
2247 ScrollPixelOffset::from(content_origin.x + line_layout.width)
2248 - scroll_pixel_position.x,
2249 )
2250 };
2251
2252 let padded_line = line_end + padding;
2253 let min_start = Pixels::from(
2254 ScrollPixelOffset::from(content_origin.x + min_x) - scroll_pixel_position.x,
2255 );
2256
2257 cmp::max(padded_line, min_start)
2258 };
2259
2260 let behind_edit_prediction_popover = edit_prediction_popover_origin
2261 .as_ref()
2262 .is_some_and(|edit_prediction_popover_origin| {
2263 (pos_y..pos_y + line_height).contains(&edit_prediction_popover_origin.y)
2264 });
2265 let opacity = if behind_edit_prediction_popover {
2266 0.5
2267 } else {
2268 1.0
2269 };
2270
2271 let mut element = h_flex()
2272 .id(("diagnostic", row.0))
2273 .h(line_height)
2274 .w_full()
2275 .px_1()
2276 .rounded_xs()
2277 .opacity(opacity)
2278 .bg(severity_to_color(&diagnostic_to_render.severity)
2279 .color(cx)
2280 .opacity(0.05))
2281 .text_color(severity_to_color(&diagnostic_to_render.severity).color(cx))
2282 .text_sm()
2283 .font_family(style.text.font().family)
2284 .child(diagnostic_to_render.message.clone())
2285 .into_any();
2286
2287 element.prepaint_as_root(point(pos_x, pos_y), AvailableSpace::min_size(), window, cx);
2288
2289 elements.insert(row, element);
2290 }
2291
2292 elements
2293 }
2294
2295 fn layout_inline_code_actions(
2296 &self,
2297 display_point: DisplayPoint,
2298 content_origin: gpui::Point<Pixels>,
2299 scroll_position: gpui::Point<ScrollOffset>,
2300 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2301 line_height: Pixels,
2302 snapshot: &EditorSnapshot,
2303 window: &mut Window,
2304 cx: &mut App,
2305 ) -> Option<AnyElement> {
2306 if !snapshot
2307 .show_code_actions
2308 .unwrap_or(EditorSettings::get_global(cx).inline_code_actions)
2309 {
2310 return None;
2311 }
2312
2313 let icon_size = ui::IconSize::XSmall;
2314 let mut button = self.editor.update(cx, |editor, cx| {
2315 editor.available_code_actions.as_ref()?;
2316 let active = editor
2317 .context_menu
2318 .borrow()
2319 .as_ref()
2320 .and_then(|menu| {
2321 if let crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2322 deployed_from,
2323 ..
2324 }) = menu
2325 {
2326 deployed_from.as_ref()
2327 } else {
2328 None
2329 }
2330 })
2331 .is_some_and(|source| matches!(source, CodeActionSource::Indicator(..)));
2332 Some(editor.render_inline_code_actions(icon_size, display_point.row(), active, cx))
2333 })?;
2334
2335 let buffer_point = display_point.to_point(&snapshot.display_snapshot);
2336
2337 // do not show code action for folded line
2338 if snapshot.is_line_folded(MultiBufferRow(buffer_point.row)) {
2339 return None;
2340 }
2341
2342 // do not show code action for blank line with cursor
2343 let line_indent = snapshot
2344 .display_snapshot
2345 .buffer_snapshot()
2346 .line_indent_for_row(MultiBufferRow(buffer_point.row));
2347 if line_indent.is_line_blank() {
2348 return None;
2349 }
2350
2351 const INLINE_SLOT_CHAR_LIMIT: u32 = 4;
2352 const MAX_ALTERNATE_DISTANCE: u32 = 8;
2353
2354 let excerpt_id = snapshot
2355 .display_snapshot
2356 .buffer_snapshot()
2357 .excerpt_containing(buffer_point..buffer_point)
2358 .map(|excerpt| excerpt.id());
2359
2360 let is_valid_row = |row_candidate: u32| -> bool {
2361 // move to other row if folded row
2362 if snapshot.is_line_folded(MultiBufferRow(row_candidate)) {
2363 return false;
2364 }
2365 if buffer_point.row == row_candidate {
2366 // move to other row if cursor is in slot
2367 if buffer_point.column < INLINE_SLOT_CHAR_LIMIT {
2368 return false;
2369 }
2370 } else {
2371 let candidate_point = MultiBufferPoint {
2372 row: row_candidate,
2373 column: 0,
2374 };
2375 let candidate_excerpt_id = snapshot
2376 .display_snapshot
2377 .buffer_snapshot()
2378 .excerpt_containing(candidate_point..candidate_point)
2379 .map(|excerpt| excerpt.id());
2380 // move to other row if different excerpt
2381 if excerpt_id != candidate_excerpt_id {
2382 return false;
2383 }
2384 }
2385 let line_indent = snapshot
2386 .display_snapshot
2387 .buffer_snapshot()
2388 .line_indent_for_row(MultiBufferRow(row_candidate));
2389 // use this row if it's blank
2390 if line_indent.is_line_blank() {
2391 true
2392 } else {
2393 // use this row if code starts after slot
2394 let indent_size = snapshot
2395 .display_snapshot
2396 .buffer_snapshot()
2397 .indent_size_for_line(MultiBufferRow(row_candidate));
2398 indent_size.len >= INLINE_SLOT_CHAR_LIMIT
2399 }
2400 };
2401
2402 let new_buffer_row = if is_valid_row(buffer_point.row) {
2403 Some(buffer_point.row)
2404 } else {
2405 let max_row = snapshot.display_snapshot.buffer_snapshot().max_point().row;
2406 (1..=MAX_ALTERNATE_DISTANCE).find_map(|offset| {
2407 let row_above = buffer_point.row.saturating_sub(offset);
2408 let row_below = buffer_point.row + offset;
2409 if row_above != buffer_point.row && is_valid_row(row_above) {
2410 Some(row_above)
2411 } else if row_below <= max_row && is_valid_row(row_below) {
2412 Some(row_below)
2413 } else {
2414 None
2415 }
2416 })
2417 }?;
2418
2419 let new_display_row = snapshot
2420 .display_snapshot
2421 .point_to_display_point(
2422 Point {
2423 row: new_buffer_row,
2424 column: buffer_point.column,
2425 },
2426 text::Bias::Left,
2427 )
2428 .row();
2429
2430 let start_y = content_origin.y
2431 + (((new_display_row.as_f64() - scroll_position.y) as f32) * line_height)
2432 + (line_height / 2.0)
2433 - (icon_size.square(window, cx) / 2.);
2434 let start_x = (ScrollPixelOffset::from(content_origin.x) - scroll_pixel_position.x
2435 + ScrollPixelOffset::from(window.rem_size() * 0.1))
2436 .into();
2437
2438 let absolute_offset = gpui::point(start_x, start_y);
2439 button.layout_as_root(gpui::AvailableSpace::min_size(), window, cx);
2440 button.prepaint_as_root(
2441 absolute_offset,
2442 gpui::AvailableSpace::min_size(),
2443 window,
2444 cx,
2445 );
2446 Some(button)
2447 }
2448
2449 fn layout_inline_blame(
2450 &self,
2451 display_row: DisplayRow,
2452 row_info: &RowInfo,
2453 line_layout: &LineWithInvisibles,
2454 crease_trailer: Option<&CreaseTrailerLayout>,
2455 em_width: Pixels,
2456 content_origin: gpui::Point<Pixels>,
2457 scroll_position: gpui::Point<ScrollOffset>,
2458 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2459 line_height: Pixels,
2460 text_hitbox: &Hitbox,
2461 window: &mut Window,
2462 cx: &mut App,
2463 ) -> Option<InlineBlameLayout> {
2464 if !self
2465 .editor
2466 .update(cx, |editor, cx| editor.render_git_blame_inline(window, cx))
2467 {
2468 return None;
2469 }
2470
2471 let editor = self.editor.read(cx);
2472 let blame = editor.blame.clone()?;
2473 let padding = {
2474 const INLINE_ACCEPT_SUGGESTION_EM_WIDTHS: f32 = 14.;
2475
2476 let mut padding = ProjectSettings::get_global(cx).git.inline_blame.padding as f32;
2477
2478 if let Some(edit_prediction) = editor.active_edit_prediction.as_ref()
2479 && let EditPrediction::Edit {
2480 display_mode: EditDisplayMode::TabAccept,
2481 ..
2482 } = &edit_prediction.completion
2483 {
2484 padding += INLINE_ACCEPT_SUGGESTION_EM_WIDTHS
2485 }
2486
2487 padding * em_width
2488 };
2489
2490 let (buffer_id, entry) = blame
2491 .update(cx, |blame, cx| {
2492 blame.blame_for_rows(&[*row_info], cx).next()
2493 })
2494 .flatten()?;
2495
2496 let mut element = render_inline_blame_entry(entry.clone(), &self.style, cx)?;
2497
2498 let start_y =
2499 content_origin.y + line_height * ((display_row.as_f64() - scroll_position.y) as f32);
2500
2501 let start_x = {
2502 let line_end = if let Some(crease_trailer) = crease_trailer {
2503 crease_trailer.bounds.right()
2504 } else {
2505 Pixels::from(
2506 ScrollPixelOffset::from(content_origin.x + line_layout.width)
2507 - scroll_pixel_position.x,
2508 )
2509 };
2510
2511 let padded_line_end = line_end + padding;
2512
2513 let min_column_in_pixels = self.column_pixels(
2514 ProjectSettings::get_global(cx).git.inline_blame.min_column as usize,
2515 window,
2516 );
2517 let min_start = Pixels::from(
2518 ScrollPixelOffset::from(content_origin.x + min_column_in_pixels)
2519 - scroll_pixel_position.x,
2520 );
2521
2522 cmp::max(padded_line_end, min_start)
2523 };
2524
2525 let absolute_offset = point(start_x, start_y);
2526 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2527 let bounds = Bounds::new(absolute_offset, size);
2528
2529 self.layout_blame_entry_popover(
2530 entry.clone(),
2531 blame,
2532 line_height,
2533 text_hitbox,
2534 row_info.buffer_id?,
2535 window,
2536 cx,
2537 );
2538
2539 element.prepaint_as_root(absolute_offset, AvailableSpace::min_size(), window, cx);
2540
2541 Some(InlineBlameLayout {
2542 element,
2543 bounds,
2544 buffer_id,
2545 entry,
2546 })
2547 }
2548
2549 fn layout_blame_entry_popover(
2550 &self,
2551 blame_entry: BlameEntry,
2552 blame: Entity<GitBlame>,
2553 line_height: Pixels,
2554 text_hitbox: &Hitbox,
2555 buffer: BufferId,
2556 window: &mut Window,
2557 cx: &mut App,
2558 ) {
2559 let Some((popover_state, target_point)) = self.editor.read_with(cx, |editor, _| {
2560 editor
2561 .inline_blame_popover
2562 .as_ref()
2563 .map(|state| (state.popover_state.clone(), state.position))
2564 }) else {
2565 return;
2566 };
2567
2568 let workspace = self
2569 .editor
2570 .read_with(cx, |editor, _| editor.workspace().map(|w| w.downgrade()));
2571
2572 let maybe_element = workspace.and_then(|workspace| {
2573 render_blame_entry_popover(
2574 blame_entry,
2575 popover_state.scroll_handle,
2576 popover_state.commit_message,
2577 popover_state.markdown,
2578 workspace,
2579 &blame,
2580 buffer,
2581 window,
2582 cx,
2583 )
2584 });
2585
2586 if let Some(mut element) = maybe_element {
2587 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2588 let overall_height = size.height + HOVER_POPOVER_GAP;
2589 let popover_origin = if target_point.y > overall_height {
2590 point(target_point.x, target_point.y - size.height)
2591 } else {
2592 point(
2593 target_point.x,
2594 target_point.y + line_height + HOVER_POPOVER_GAP,
2595 )
2596 };
2597
2598 let horizontal_offset = (text_hitbox.top_right().x
2599 - POPOVER_RIGHT_OFFSET
2600 - (popover_origin.x + size.width))
2601 .min(Pixels::ZERO);
2602
2603 let origin = point(popover_origin.x + horizontal_offset, popover_origin.y);
2604 let popover_bounds = Bounds::new(origin, size);
2605
2606 self.editor.update(cx, |editor, _| {
2607 if let Some(state) = &mut editor.inline_blame_popover {
2608 state.popover_bounds = Some(popover_bounds);
2609 }
2610 });
2611
2612 window.defer_draw(element, origin, 2);
2613 }
2614 }
2615
2616 fn layout_blame_entries(
2617 &self,
2618 buffer_rows: &[RowInfo],
2619 em_width: Pixels,
2620 scroll_position: gpui::Point<ScrollOffset>,
2621 line_height: Pixels,
2622 gutter_hitbox: &Hitbox,
2623 max_width: Option<Pixels>,
2624 window: &mut Window,
2625 cx: &mut App,
2626 ) -> Option<Vec<AnyElement>> {
2627 if !self
2628 .editor
2629 .update(cx, |editor, cx| editor.render_git_blame_gutter(cx))
2630 {
2631 return None;
2632 }
2633
2634 let blame = self.editor.read(cx).blame.clone()?;
2635 let workspace = self.editor.read(cx).workspace()?;
2636 let blamed_rows: Vec<_> = blame.update(cx, |blame, cx| {
2637 blame.blame_for_rows(buffer_rows, cx).collect()
2638 });
2639
2640 let width = if let Some(max_width) = max_width {
2641 AvailableSpace::Definite(max_width)
2642 } else {
2643 AvailableSpace::MaxContent
2644 };
2645 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
2646 let start_x = em_width;
2647
2648 let mut last_used_color: Option<(Hsla, Oid)> = None;
2649 let blame_renderer = cx.global::<GlobalBlameRenderer>().0.clone();
2650
2651 let shaped_lines = blamed_rows
2652 .into_iter()
2653 .enumerate()
2654 .flat_map(|(ix, blame_entry)| {
2655 let (buffer_id, blame_entry) = blame_entry?;
2656 let mut element = render_blame_entry(
2657 ix,
2658 &blame,
2659 blame_entry,
2660 &self.style,
2661 &mut last_used_color,
2662 self.editor.clone(),
2663 workspace.clone(),
2664 buffer_id,
2665 &*blame_renderer,
2666 window,
2667 cx,
2668 )?;
2669
2670 let start_y = ix as f32 * line_height
2671 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height));
2672 let absolute_offset = gutter_hitbox.origin + point(start_x, start_y);
2673
2674 element.prepaint_as_root(
2675 absolute_offset,
2676 size(width, AvailableSpace::MinContent),
2677 window,
2678 cx,
2679 );
2680
2681 Some(element)
2682 })
2683 .collect();
2684
2685 Some(shaped_lines)
2686 }
2687
2688 fn layout_indent_guides(
2689 &self,
2690 content_origin: gpui::Point<Pixels>,
2691 text_origin: gpui::Point<Pixels>,
2692 visible_buffer_range: Range<MultiBufferRow>,
2693 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2694 line_height: Pixels,
2695 snapshot: &DisplaySnapshot,
2696 window: &mut Window,
2697 cx: &mut App,
2698 ) -> Option<Vec<IndentGuideLayout>> {
2699 let indent_guides = self.editor.update(cx, |editor, cx| {
2700 editor.indent_guides(visible_buffer_range, snapshot, cx)
2701 })?;
2702
2703 let active_indent_guide_indices = self.editor.update(cx, |editor, cx| {
2704 editor
2705 .find_active_indent_guide_indices(&indent_guides, snapshot, window, cx)
2706 .unwrap_or_default()
2707 });
2708
2709 Some(
2710 indent_guides
2711 .into_iter()
2712 .enumerate()
2713 .filter_map(|(i, indent_guide)| {
2714 let single_indent_width =
2715 self.column_pixels(indent_guide.tab_size as usize, window);
2716 let total_width = single_indent_width * indent_guide.depth as f32;
2717 let start_x = Pixels::from(
2718 ScrollOffset::from(content_origin.x + total_width)
2719 - scroll_pixel_position.x,
2720 );
2721 if start_x >= text_origin.x {
2722 let (offset_y, length) = Self::calculate_indent_guide_bounds(
2723 indent_guide.start_row..indent_guide.end_row,
2724 line_height,
2725 snapshot,
2726 );
2727
2728 let start_y = Pixels::from(
2729 ScrollOffset::from(content_origin.y) + offset_y
2730 - scroll_pixel_position.y,
2731 );
2732
2733 Some(IndentGuideLayout {
2734 origin: point(start_x, start_y),
2735 length,
2736 single_indent_width,
2737 depth: indent_guide.depth,
2738 active: active_indent_guide_indices.contains(&i),
2739 settings: indent_guide.settings,
2740 })
2741 } else {
2742 None
2743 }
2744 })
2745 .collect(),
2746 )
2747 }
2748
2749 fn layout_wrap_guides(
2750 &self,
2751 em_advance: Pixels,
2752 scroll_position: gpui::Point<f64>,
2753 content_origin: gpui::Point<Pixels>,
2754 scrollbar_layout: Option<&EditorScrollbars>,
2755 vertical_scrollbar_width: Pixels,
2756 hitbox: &Hitbox,
2757 window: &Window,
2758 cx: &App,
2759 ) -> SmallVec<[(Pixels, bool); 2]> {
2760 let scroll_left = scroll_position.x as f32 * em_advance;
2761 let content_origin = content_origin.x;
2762 let horizontal_offset = content_origin - scroll_left;
2763 let vertical_scrollbar_width = scrollbar_layout
2764 .and_then(|layout| layout.visible.then_some(vertical_scrollbar_width))
2765 .unwrap_or_default();
2766
2767 self.editor
2768 .read(cx)
2769 .wrap_guides(cx)
2770 .into_iter()
2771 .flat_map(|(guide, active)| {
2772 let wrap_position = self.column_pixels(guide, window);
2773 let wrap_guide_x = wrap_position + horizontal_offset;
2774 let display_wrap_guide = wrap_guide_x >= content_origin
2775 && wrap_guide_x <= hitbox.bounds.right() - vertical_scrollbar_width;
2776
2777 display_wrap_guide.then_some((wrap_guide_x, active))
2778 })
2779 .collect()
2780 }
2781
2782 fn calculate_indent_guide_bounds(
2783 row_range: Range<MultiBufferRow>,
2784 line_height: Pixels,
2785 snapshot: &DisplaySnapshot,
2786 ) -> (f64, gpui::Pixels) {
2787 let start_point = Point::new(row_range.start.0, 0);
2788 let end_point = Point::new(row_range.end.0, 0);
2789
2790 let row_range = start_point.to_display_point(snapshot).row()
2791 ..end_point.to_display_point(snapshot).row();
2792
2793 let mut prev_line = start_point;
2794 prev_line.row = prev_line.row.saturating_sub(1);
2795 let prev_line = prev_line.to_display_point(snapshot).row();
2796
2797 let mut cons_line = end_point;
2798 cons_line.row += 1;
2799 let cons_line = cons_line.to_display_point(snapshot).row();
2800
2801 let mut offset_y = row_range.start.as_f64() * f64::from(line_height);
2802 let mut length = (cons_line.0.saturating_sub(row_range.start.0)) as f32 * line_height;
2803
2804 // If we are at the end of the buffer, ensure that the indent guide extends to the end of the line.
2805 if row_range.end == cons_line {
2806 length += line_height;
2807 }
2808
2809 // If there is a block (e.g. diagnostic) in between the start of the indent guide and the line above,
2810 // we want to extend the indent guide to the start of the block.
2811 let mut block_height = 0;
2812 let mut block_offset = 0;
2813 let mut found_excerpt_header = false;
2814 for (_, block) in snapshot.blocks_in_range(prev_line..row_range.start) {
2815 if matches!(
2816 block,
2817 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
2818 ) {
2819 found_excerpt_header = true;
2820 break;
2821 }
2822 block_offset += block.height();
2823 block_height += block.height();
2824 }
2825 if !found_excerpt_header {
2826 offset_y -= block_offset as f64 * f64::from(line_height);
2827 length += block_height as f32 * line_height;
2828 }
2829
2830 // If there is a block (e.g. diagnostic) at the end of an multibuffer excerpt,
2831 // we want to ensure that the indent guide stops before the excerpt header.
2832 let mut block_height = 0;
2833 let mut found_excerpt_header = false;
2834 for (_, block) in snapshot.blocks_in_range(row_range.end..cons_line) {
2835 if matches!(
2836 block,
2837 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
2838 ) {
2839 found_excerpt_header = true;
2840 }
2841 block_height += block.height();
2842 }
2843 if found_excerpt_header {
2844 length -= block_height as f32 * line_height;
2845 }
2846
2847 (offset_y, length)
2848 }
2849
2850 fn layout_breakpoints(
2851 &self,
2852 line_height: Pixels,
2853 range: Range<DisplayRow>,
2854 scroll_position: gpui::Point<ScrollOffset>,
2855 gutter_dimensions: &GutterDimensions,
2856 gutter_hitbox: &Hitbox,
2857 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2858 snapshot: &EditorSnapshot,
2859 breakpoints: HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2860 row_infos: &[RowInfo],
2861 window: &mut Window,
2862 cx: &mut App,
2863 ) -> Vec<AnyElement> {
2864 self.editor.update(cx, |editor, cx| {
2865 breakpoints
2866 .into_iter()
2867 .filter_map(|(display_row, (text_anchor, bp, state))| {
2868 if row_infos
2869 .get((display_row.0.saturating_sub(range.start.0)) as usize)
2870 .is_some_and(|row_info| {
2871 row_info.expand_info.is_some()
2872 || row_info
2873 .diff_status
2874 .is_some_and(|status| status.is_deleted())
2875 })
2876 {
2877 return None;
2878 }
2879
2880 if range.start > display_row || range.end < display_row {
2881 return None;
2882 }
2883
2884 let row =
2885 MultiBufferRow(DisplayPoint::new(display_row, 0).to_point(snapshot).row);
2886 if snapshot.is_line_folded(row) {
2887 return None;
2888 }
2889
2890 let button = editor.render_breakpoint(text_anchor, display_row, &bp, state, cx);
2891
2892 let button = prepaint_gutter_button(
2893 button,
2894 display_row,
2895 line_height,
2896 gutter_dimensions,
2897 scroll_position,
2898 gutter_hitbox,
2899 display_hunks,
2900 window,
2901 cx,
2902 );
2903 Some(button)
2904 })
2905 .collect_vec()
2906 })
2907 }
2908
2909 #[allow(clippy::too_many_arguments)]
2910 fn layout_run_indicators(
2911 &self,
2912 line_height: Pixels,
2913 range: Range<DisplayRow>,
2914 row_infos: &[RowInfo],
2915 scroll_position: gpui::Point<ScrollOffset>,
2916 gutter_dimensions: &GutterDimensions,
2917 gutter_hitbox: &Hitbox,
2918 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2919 snapshot: &EditorSnapshot,
2920 breakpoints: &mut HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2921 window: &mut Window,
2922 cx: &mut App,
2923 ) -> Vec<AnyElement> {
2924 self.editor.update(cx, |editor, cx| {
2925 let active_task_indicator_row =
2926 // TODO: add edit button on the right side of each row in the context menu
2927 if let Some(crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2928 deployed_from,
2929 actions,
2930 ..
2931 })) = editor.context_menu.borrow().as_ref()
2932 {
2933 actions
2934 .tasks()
2935 .map(|tasks| tasks.position.to_display_point(snapshot).row())
2936 .or_else(|| match deployed_from {
2937 Some(CodeActionSource::Indicator(row)) => Some(*row),
2938 _ => None,
2939 })
2940 } else {
2941 None
2942 };
2943
2944 let offset_range_start =
2945 snapshot.display_point_to_point(DisplayPoint::new(range.start, 0), Bias::Left);
2946
2947 let offset_range_end =
2948 snapshot.display_point_to_point(DisplayPoint::new(range.end, 0), Bias::Right);
2949
2950 editor
2951 .tasks
2952 .iter()
2953 .filter_map(|(_, tasks)| {
2954 let multibuffer_point = tasks.offset.to_point(&snapshot.buffer_snapshot());
2955 if multibuffer_point < offset_range_start
2956 || multibuffer_point > offset_range_end
2957 {
2958 return None;
2959 }
2960 let multibuffer_row = MultiBufferRow(multibuffer_point.row);
2961 let buffer_folded = snapshot
2962 .buffer_snapshot()
2963 .buffer_line_for_row(multibuffer_row)
2964 .map(|(buffer_snapshot, _)| buffer_snapshot.remote_id())
2965 .map(|buffer_id| editor.is_buffer_folded(buffer_id, cx))
2966 .unwrap_or(false);
2967 if buffer_folded {
2968 return None;
2969 }
2970
2971 if snapshot.is_line_folded(multibuffer_row) {
2972 // Skip folded indicators, unless it's the starting line of a fold.
2973 if multibuffer_row
2974 .0
2975 .checked_sub(1)
2976 .is_some_and(|previous_row| {
2977 snapshot.is_line_folded(MultiBufferRow(previous_row))
2978 })
2979 {
2980 return None;
2981 }
2982 }
2983
2984 let display_row = multibuffer_point.to_display_point(snapshot).row();
2985 if !range.contains(&display_row) {
2986 return None;
2987 }
2988 if row_infos
2989 .get((display_row - range.start).0 as usize)
2990 .is_some_and(|row_info| row_info.expand_info.is_some())
2991 {
2992 return None;
2993 }
2994
2995 let button = editor.render_run_indicator(
2996 &self.style,
2997 Some(display_row) == active_task_indicator_row,
2998 display_row,
2999 breakpoints.remove(&display_row),
3000 cx,
3001 );
3002
3003 let button = prepaint_gutter_button(
3004 button,
3005 display_row,
3006 line_height,
3007 gutter_dimensions,
3008 scroll_position,
3009 gutter_hitbox,
3010 display_hunks,
3011 window,
3012 cx,
3013 );
3014 Some(button)
3015 })
3016 .collect_vec()
3017 })
3018 }
3019
3020 fn layout_expand_toggles(
3021 &self,
3022 gutter_hitbox: &Hitbox,
3023 gutter_dimensions: GutterDimensions,
3024 em_width: Pixels,
3025 line_height: Pixels,
3026 scroll_position: gpui::Point<ScrollOffset>,
3027 buffer_rows: &[RowInfo],
3028 window: &mut Window,
3029 cx: &mut App,
3030 ) -> Vec<Option<(AnyElement, gpui::Point<Pixels>)>> {
3031 if self.editor.read(cx).disable_expand_excerpt_buttons {
3032 return vec![];
3033 }
3034
3035 let editor_font_size = self.style.text.font_size.to_pixels(window.rem_size()) * 1.2;
3036
3037 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
3038
3039 let max_line_number_length = self
3040 .editor
3041 .read(cx)
3042 .buffer()
3043 .read(cx)
3044 .snapshot(cx)
3045 .widest_line_number()
3046 .ilog10()
3047 + 1;
3048
3049 let git_gutter_width = Self::gutter_strip_width(line_height)
3050 + gutter_dimensions
3051 .git_blame_entries_width
3052 .unwrap_or_default();
3053 let available_width = gutter_dimensions.left_padding - git_gutter_width;
3054
3055 buffer_rows
3056 .iter()
3057 .enumerate()
3058 .map(|(ix, row_info)| {
3059 let ExpandInfo {
3060 excerpt_id,
3061 direction,
3062 } = row_info.expand_info?;
3063
3064 let icon_name = match direction {
3065 ExpandExcerptDirection::Up => IconName::ExpandUp,
3066 ExpandExcerptDirection::Down => IconName::ExpandDown,
3067 ExpandExcerptDirection::UpAndDown => IconName::ExpandVertical,
3068 };
3069
3070 let editor = self.editor.clone();
3071 let is_wide = max_line_number_length
3072 >= EditorSettings::get_global(cx).gutter.min_line_number_digits as u32
3073 && row_info
3074 .buffer_row
3075 .is_some_and(|row| (row + 1).ilog10() + 1 == max_line_number_length)
3076 || gutter_dimensions.right_padding == px(0.);
3077
3078 let width = if is_wide {
3079 available_width - px(2.)
3080 } else {
3081 available_width + em_width - px(2.)
3082 };
3083
3084 let toggle = IconButton::new(("expand", ix), icon_name)
3085 .icon_color(Color::Custom(cx.theme().colors().editor_line_number))
3086 .selected_icon_color(Color::Custom(cx.theme().colors().editor_foreground))
3087 .icon_size(IconSize::Custom(rems(editor_font_size / window.rem_size())))
3088 .width(width)
3089 .on_click(move |_, window, cx| {
3090 editor.update(cx, |editor, cx| {
3091 editor.expand_excerpt(excerpt_id, direction, window, cx);
3092 });
3093 })
3094 .tooltip(Tooltip::for_action_title(
3095 "Expand Excerpt",
3096 &crate::actions::ExpandExcerpts::default(),
3097 ))
3098 .into_any_element();
3099
3100 let position = point(
3101 git_gutter_width + px(1.),
3102 ix as f32 * line_height
3103 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height))
3104 + px(1.),
3105 );
3106 let origin = gutter_hitbox.origin + position;
3107
3108 Some((toggle, origin))
3109 })
3110 .collect()
3111 }
3112
3113 fn calculate_relative_line_numbers(
3114 &self,
3115 snapshot: &EditorSnapshot,
3116 rows: &Range<DisplayRow>,
3117 relative_to: Option<DisplayRow>,
3118 ) -> HashMap<DisplayRow, DisplayRowDelta> {
3119 let mut relative_rows: HashMap<DisplayRow, DisplayRowDelta> = Default::default();
3120 let Some(relative_to) = relative_to else {
3121 return relative_rows;
3122 };
3123
3124 let start = rows.start.min(relative_to);
3125 let end = rows.end.max(relative_to);
3126
3127 let buffer_rows = snapshot
3128 .row_infos(start)
3129 .take(1 + end.minus(start) as usize)
3130 .collect::<Vec<_>>();
3131
3132 let head_idx = relative_to.minus(start);
3133 let mut delta = 1;
3134 let mut i = head_idx + 1;
3135 while i < buffer_rows.len() as u32 {
3136 if buffer_rows[i as usize].buffer_row.is_some() {
3137 if rows.contains(&DisplayRow(i + start.0)) {
3138 relative_rows.insert(DisplayRow(i + start.0), delta);
3139 }
3140 delta += 1;
3141 }
3142 i += 1;
3143 }
3144 delta = 1;
3145 i = head_idx.min(buffer_rows.len() as u32 - 1);
3146 while i > 0 && buffer_rows[i as usize].buffer_row.is_none() {
3147 i -= 1;
3148 }
3149
3150 while i > 0 {
3151 i -= 1;
3152 if buffer_rows[i as usize].buffer_row.is_some() {
3153 if rows.contains(&DisplayRow(i + start.0)) {
3154 relative_rows.insert(DisplayRow(i + start.0), delta);
3155 }
3156 delta += 1;
3157 }
3158 }
3159
3160 relative_rows
3161 }
3162
3163 fn layout_line_numbers(
3164 &self,
3165 gutter_hitbox: Option<&Hitbox>,
3166 gutter_dimensions: GutterDimensions,
3167 line_height: Pixels,
3168 scroll_position: gpui::Point<ScrollOffset>,
3169 rows: Range<DisplayRow>,
3170 buffer_rows: &[RowInfo],
3171 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3172 newest_selection_head: Option<DisplayPoint>,
3173 snapshot: &EditorSnapshot,
3174 window: &mut Window,
3175 cx: &mut App,
3176 ) -> Arc<HashMap<MultiBufferRow, LineNumberLayout>> {
3177 let include_line_numbers = snapshot
3178 .show_line_numbers
3179 .unwrap_or_else(|| EditorSettings::get_global(cx).gutter.line_numbers);
3180 if !include_line_numbers {
3181 return Arc::default();
3182 }
3183
3184 let (newest_selection_head, is_relative) = self.editor.update(cx, |editor, cx| {
3185 let newest_selection_head = newest_selection_head.unwrap_or_else(|| {
3186 let newest = editor.selections.newest::<Point>(cx);
3187 SelectionLayout::new(
3188 newest,
3189 editor.selections.line_mode(),
3190 editor.cursor_shape,
3191 &snapshot.display_snapshot,
3192 true,
3193 true,
3194 None,
3195 )
3196 .head
3197 });
3198 let is_relative = editor.should_use_relative_line_numbers(cx);
3199 (newest_selection_head, is_relative)
3200 });
3201
3202 let relative_to = if is_relative {
3203 Some(newest_selection_head.row())
3204 } else {
3205 None
3206 };
3207 let relative_rows = self.calculate_relative_line_numbers(snapshot, &rows, relative_to);
3208 let mut line_number = String::new();
3209 let line_numbers = buffer_rows
3210 .iter()
3211 .enumerate()
3212 .flat_map(|(ix, row_info)| {
3213 let display_row = DisplayRow(rows.start.0 + ix as u32);
3214 line_number.clear();
3215 let non_relative_number = row_info.buffer_row? + 1;
3216 let number = relative_rows
3217 .get(&display_row)
3218 .unwrap_or(&non_relative_number);
3219 write!(&mut line_number, "{number}").unwrap();
3220 if row_info
3221 .diff_status
3222 .is_some_and(|status| status.is_deleted())
3223 {
3224 return None;
3225 }
3226
3227 let color = active_rows
3228 .get(&display_row)
3229 .map(|spec| {
3230 if spec.breakpoint {
3231 cx.theme().colors().debugger_accent
3232 } else {
3233 cx.theme().colors().editor_active_line_number
3234 }
3235 })
3236 .unwrap_or_else(|| cx.theme().colors().editor_line_number);
3237 let shaped_line =
3238 self.shape_line_number(SharedString::from(&line_number), color, window);
3239 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
3240 let line_origin = gutter_hitbox.map(|hitbox| {
3241 hitbox.origin
3242 + point(
3243 hitbox.size.width - shaped_line.width - gutter_dimensions.right_padding,
3244 ix as f32 * line_height
3245 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height)),
3246 )
3247 });
3248
3249 #[cfg(not(test))]
3250 let hitbox = line_origin.map(|line_origin| {
3251 window.insert_hitbox(
3252 Bounds::new(line_origin, size(shaped_line.width, line_height)),
3253 HitboxBehavior::Normal,
3254 )
3255 });
3256 #[cfg(test)]
3257 let hitbox = {
3258 let _ = line_origin;
3259 None
3260 };
3261
3262 let multi_buffer_row = DisplayPoint::new(display_row, 0).to_point(snapshot).row;
3263 let multi_buffer_row = MultiBufferRow(multi_buffer_row);
3264 let line_number = LineNumberLayout {
3265 shaped_line,
3266 hitbox,
3267 };
3268 Some((multi_buffer_row, line_number))
3269 })
3270 .collect();
3271 Arc::new(line_numbers)
3272 }
3273
3274 fn layout_crease_toggles(
3275 &self,
3276 rows: Range<DisplayRow>,
3277 row_infos: &[RowInfo],
3278 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3279 snapshot: &EditorSnapshot,
3280 window: &mut Window,
3281 cx: &mut App,
3282 ) -> Vec<Option<AnyElement>> {
3283 let include_fold_statuses = EditorSettings::get_global(cx).gutter.folds
3284 && snapshot.mode.is_full()
3285 && self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
3286 if include_fold_statuses {
3287 row_infos
3288 .iter()
3289 .enumerate()
3290 .map(|(ix, info)| {
3291 if info.expand_info.is_some() {
3292 return None;
3293 }
3294 let row = info.multibuffer_row?;
3295 let display_row = DisplayRow(rows.start.0 + ix as u32);
3296 let active = active_rows.contains_key(&display_row);
3297
3298 snapshot.render_crease_toggle(row, active, self.editor.clone(), window, cx)
3299 })
3300 .collect()
3301 } else {
3302 Vec::new()
3303 }
3304 }
3305
3306 fn layout_crease_trailers(
3307 &self,
3308 buffer_rows: impl IntoIterator<Item = RowInfo>,
3309 snapshot: &EditorSnapshot,
3310 window: &mut Window,
3311 cx: &mut App,
3312 ) -> Vec<Option<AnyElement>> {
3313 buffer_rows
3314 .into_iter()
3315 .map(|row_info| {
3316 if row_info.expand_info.is_some() {
3317 return None;
3318 }
3319 if let Some(row) = row_info.multibuffer_row {
3320 snapshot.render_crease_trailer(row, window, cx)
3321 } else {
3322 None
3323 }
3324 })
3325 .collect()
3326 }
3327
3328 fn bg_segments_per_row(
3329 rows: Range<DisplayRow>,
3330 selections: &[(PlayerColor, Vec<SelectionLayout>)],
3331 highlight_ranges: &[(Range<DisplayPoint>, Hsla)],
3332 base_background: Hsla,
3333 ) -> Vec<Vec<(Range<DisplayPoint>, Hsla)>> {
3334 if rows.start >= rows.end {
3335 return Vec::new();
3336 }
3337 if !base_background.is_opaque() {
3338 // We don't actually know what color is behind this editor.
3339 return Vec::new();
3340 }
3341 let highlight_iter = highlight_ranges.iter().cloned();
3342 let selection_iter = selections.iter().flat_map(|(player_color, layouts)| {
3343 let color = player_color.selection;
3344 layouts.iter().filter_map(move |selection_layout| {
3345 if selection_layout.range.start != selection_layout.range.end {
3346 Some((selection_layout.range.clone(), color))
3347 } else {
3348 None
3349 }
3350 })
3351 });
3352 let mut per_row_map = vec![Vec::new(); rows.len()];
3353 for (range, color) in highlight_iter.chain(selection_iter) {
3354 let covered_rows = if range.end.column() == 0 {
3355 cmp::max(range.start.row(), rows.start)..cmp::min(range.end.row(), rows.end)
3356 } else {
3357 cmp::max(range.start.row(), rows.start)
3358 ..cmp::min(range.end.row().next_row(), rows.end)
3359 };
3360 for row in covered_rows.iter_rows() {
3361 let seg_start = if row == range.start.row() {
3362 range.start
3363 } else {
3364 DisplayPoint::new(row, 0)
3365 };
3366 let seg_end = if row == range.end.row() && range.end.column() != 0 {
3367 range.end
3368 } else {
3369 DisplayPoint::new(row, u32::MAX)
3370 };
3371 let ix = row.minus(rows.start) as usize;
3372 debug_assert!(row >= rows.start && row < rows.end);
3373 debug_assert!(ix < per_row_map.len());
3374 per_row_map[ix].push((seg_start..seg_end, color));
3375 }
3376 }
3377 for row_segments in per_row_map.iter_mut() {
3378 if row_segments.is_empty() {
3379 continue;
3380 }
3381 let segments = mem::take(row_segments);
3382 let merged = Self::merge_overlapping_ranges(segments, base_background);
3383 *row_segments = merged;
3384 }
3385 per_row_map
3386 }
3387
3388 /// Merge overlapping ranges by splitting at all range boundaries and blending colors where
3389 /// multiple ranges overlap. The result contains non-overlapping ranges ordered from left to right.
3390 ///
3391 /// Expects `start.row() == end.row()` for each range.
3392 fn merge_overlapping_ranges(
3393 ranges: Vec<(Range<DisplayPoint>, Hsla)>,
3394 base_background: Hsla,
3395 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
3396 struct Boundary {
3397 pos: DisplayPoint,
3398 is_start: bool,
3399 index: usize,
3400 color: Hsla,
3401 }
3402
3403 let mut boundaries: SmallVec<[Boundary; 16]> = SmallVec::with_capacity(ranges.len() * 2);
3404 for (index, (range, color)) in ranges.iter().enumerate() {
3405 debug_assert!(
3406 range.start.row() == range.end.row(),
3407 "expects single-row ranges"
3408 );
3409 if range.start < range.end {
3410 boundaries.push(Boundary {
3411 pos: range.start,
3412 is_start: true,
3413 index,
3414 color: *color,
3415 });
3416 boundaries.push(Boundary {
3417 pos: range.end,
3418 is_start: false,
3419 index,
3420 color: *color,
3421 });
3422 }
3423 }
3424
3425 if boundaries.is_empty() {
3426 return Vec::new();
3427 }
3428
3429 boundaries
3430 .sort_unstable_by(|a, b| a.pos.cmp(&b.pos).then_with(|| a.is_start.cmp(&b.is_start)));
3431
3432 let mut processed_ranges: Vec<(Range<DisplayPoint>, Hsla)> = Vec::new();
3433 let mut active_ranges: SmallVec<[(usize, Hsla); 8]> = SmallVec::new();
3434
3435 let mut i = 0;
3436 let mut start_pos = boundaries[0].pos;
3437
3438 let boundaries_len = boundaries.len();
3439 while i < boundaries_len {
3440 let current_boundary_pos = boundaries[i].pos;
3441 if start_pos < current_boundary_pos {
3442 if !active_ranges.is_empty() {
3443 let mut color = base_background;
3444 for &(_, c) in &active_ranges {
3445 color = Hsla::blend(color, c);
3446 }
3447 if let Some((last_range, last_color)) = processed_ranges.last_mut() {
3448 if *last_color == color && last_range.end == start_pos {
3449 last_range.end = current_boundary_pos;
3450 } else {
3451 processed_ranges.push((start_pos..current_boundary_pos, color));
3452 }
3453 } else {
3454 processed_ranges.push((start_pos..current_boundary_pos, color));
3455 }
3456 }
3457 }
3458 while i < boundaries_len && boundaries[i].pos == current_boundary_pos {
3459 let active_range = &boundaries[i];
3460 if active_range.is_start {
3461 let idx = active_range.index;
3462 let pos = active_ranges
3463 .binary_search_by_key(&idx, |(i, _)| *i)
3464 .unwrap_or_else(|p| p);
3465 active_ranges.insert(pos, (idx, active_range.color));
3466 } else {
3467 let idx = active_range.index;
3468 if let Ok(pos) = active_ranges.binary_search_by_key(&idx, |(i, _)| *i) {
3469 active_ranges.remove(pos);
3470 }
3471 }
3472 i += 1;
3473 }
3474 start_pos = current_boundary_pos;
3475 }
3476
3477 processed_ranges
3478 }
3479
3480 fn layout_lines(
3481 rows: Range<DisplayRow>,
3482 snapshot: &EditorSnapshot,
3483 style: &EditorStyle,
3484 editor_width: Pixels,
3485 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3486 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
3487 window: &mut Window,
3488 cx: &mut App,
3489 ) -> Vec<LineWithInvisibles> {
3490 if rows.start >= rows.end {
3491 return Vec::new();
3492 }
3493
3494 // Show the placeholder when the editor is empty
3495 if snapshot.is_empty() {
3496 let font_size = style.text.font_size.to_pixels(window.rem_size());
3497 let placeholder_color = cx.theme().colors().text_placeholder;
3498 let placeholder_text = snapshot.placeholder_text();
3499
3500 let placeholder_lines = placeholder_text
3501 .as_ref()
3502 .map_or(Vec::new(), |text| text.split('\n').collect::<Vec<_>>());
3503
3504 let placeholder_line_count = placeholder_lines.len();
3505
3506 placeholder_lines
3507 .into_iter()
3508 .skip(rows.start.0 as usize)
3509 .chain(iter::repeat(""))
3510 .take(cmp::max(rows.len(), placeholder_line_count))
3511 .map(move |line| {
3512 let run = TextRun {
3513 len: line.len(),
3514 font: style.text.font(),
3515 color: placeholder_color,
3516 background_color: None,
3517 underline: None,
3518 strikethrough: None,
3519 };
3520 let line = window.text_system().shape_line(
3521 line.to_string().into(),
3522 font_size,
3523 &[run],
3524 None,
3525 );
3526 LineWithInvisibles {
3527 width: line.width,
3528 len: line.len,
3529 fragments: smallvec![LineFragment::Text(line)],
3530 invisibles: Vec::new(),
3531 font_size,
3532 }
3533 })
3534 .collect()
3535 } else {
3536 let chunks = snapshot.highlighted_chunks(rows.clone(), true, style);
3537 LineWithInvisibles::from_chunks(
3538 chunks,
3539 style,
3540 MAX_LINE_LEN,
3541 rows.len(),
3542 &snapshot.mode,
3543 editor_width,
3544 is_row_soft_wrapped,
3545 bg_segments_per_row,
3546 window,
3547 cx,
3548 )
3549 }
3550 }
3551
3552 fn prepaint_lines(
3553 &self,
3554 start_row: DisplayRow,
3555 line_layouts: &mut [LineWithInvisibles],
3556 line_height: Pixels,
3557 scroll_position: gpui::Point<ScrollOffset>,
3558 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
3559 content_origin: gpui::Point<Pixels>,
3560 window: &mut Window,
3561 cx: &mut App,
3562 ) -> SmallVec<[AnyElement; 1]> {
3563 let mut line_elements = SmallVec::new();
3564 for (ix, line) in line_layouts.iter_mut().enumerate() {
3565 let row = start_row + DisplayRow(ix as u32);
3566 line.prepaint(
3567 line_height,
3568 scroll_position,
3569 scroll_pixel_position,
3570 row,
3571 content_origin,
3572 &mut line_elements,
3573 window,
3574 cx,
3575 );
3576 }
3577 line_elements
3578 }
3579
3580 fn render_block(
3581 &self,
3582 block: &Block,
3583 available_width: AvailableSpace,
3584 block_id: BlockId,
3585 block_row_start: DisplayRow,
3586 snapshot: &EditorSnapshot,
3587 text_x: Pixels,
3588 rows: &Range<DisplayRow>,
3589 line_layouts: &[LineWithInvisibles],
3590 editor_margins: &EditorMargins,
3591 line_height: Pixels,
3592 em_width: Pixels,
3593 text_hitbox: &Hitbox,
3594 editor_width: Pixels,
3595 scroll_width: &mut Pixels,
3596 resized_blocks: &mut HashMap<CustomBlockId, u32>,
3597 row_block_types: &mut HashMap<DisplayRow, bool>,
3598 selections: &[Selection<Point>],
3599 selected_buffer_ids: &Vec<BufferId>,
3600 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3601 sticky_header_excerpt_id: Option<ExcerptId>,
3602 window: &mut Window,
3603 cx: &mut App,
3604 ) -> Option<(AnyElement, Size<Pixels>, DisplayRow, Pixels)> {
3605 let mut x_position = None;
3606 let mut element = match block {
3607 Block::Custom(custom) => {
3608 let block_start = custom.start().to_point(&snapshot.buffer_snapshot());
3609 let block_end = custom.end().to_point(&snapshot.buffer_snapshot());
3610 if block.place_near() && snapshot.is_line_folded(MultiBufferRow(block_start.row)) {
3611 return None;
3612 }
3613 let align_to = block_start.to_display_point(snapshot);
3614 let x_and_width = |layout: &LineWithInvisibles| {
3615 Some((
3616 text_x + layout.x_for_index(align_to.column() as usize),
3617 text_x + layout.width,
3618 ))
3619 };
3620 let line_ix = align_to.row().0.checked_sub(rows.start.0);
3621 x_position =
3622 if let Some(layout) = line_ix.and_then(|ix| line_layouts.get(ix as usize)) {
3623 x_and_width(layout)
3624 } else {
3625 x_and_width(&layout_line(
3626 align_to.row(),
3627 snapshot,
3628 &self.style,
3629 editor_width,
3630 is_row_soft_wrapped,
3631 window,
3632 cx,
3633 ))
3634 };
3635
3636 let anchor_x = x_position.unwrap().0;
3637
3638 let selected = selections
3639 .binary_search_by(|selection| {
3640 if selection.end <= block_start {
3641 Ordering::Less
3642 } else if selection.start >= block_end {
3643 Ordering::Greater
3644 } else {
3645 Ordering::Equal
3646 }
3647 })
3648 .is_ok();
3649
3650 div()
3651 .size_full()
3652 .child(custom.render(&mut BlockContext {
3653 window,
3654 app: cx,
3655 anchor_x,
3656 margins: editor_margins,
3657 line_height,
3658 em_width,
3659 block_id,
3660 selected,
3661 max_width: text_hitbox.size.width.max(*scroll_width),
3662 editor_style: &self.style,
3663 }))
3664 .into_any()
3665 }
3666
3667 Block::FoldedBuffer {
3668 first_excerpt,
3669 height,
3670 ..
3671 } => {
3672 let selected = selected_buffer_ids.contains(&first_excerpt.buffer_id);
3673 let result = v_flex().id(block_id).w_full().pr(editor_margins.right);
3674
3675 let jump_data = header_jump_data(snapshot, block_row_start, *height, first_excerpt);
3676 result
3677 .child(self.render_buffer_header(
3678 first_excerpt,
3679 true,
3680 selected,
3681 false,
3682 jump_data,
3683 window,
3684 cx,
3685 ))
3686 .into_any_element()
3687 }
3688
3689 Block::ExcerptBoundary { .. } => {
3690 let color = cx.theme().colors().clone();
3691 let mut result = v_flex().id(block_id).w_full();
3692
3693 result = result.child(
3694 h_flex().relative().child(
3695 div()
3696 .top(line_height / 2.)
3697 .absolute()
3698 .w_full()
3699 .h_px()
3700 .bg(color.border_variant),
3701 ),
3702 );
3703
3704 result.into_any()
3705 }
3706
3707 Block::BufferHeader { excerpt, height } => {
3708 let mut result = v_flex().id(block_id).w_full();
3709
3710 let jump_data = header_jump_data(snapshot, block_row_start, *height, excerpt);
3711
3712 if sticky_header_excerpt_id != Some(excerpt.id) {
3713 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
3714
3715 result = result.child(div().pr(editor_margins.right).child(
3716 self.render_buffer_header(
3717 excerpt, false, selected, false, jump_data, window, cx,
3718 ),
3719 ));
3720 } else {
3721 result =
3722 result.child(div().h(FILE_HEADER_HEIGHT as f32 * window.line_height()));
3723 }
3724
3725 result.into_any()
3726 }
3727 };
3728
3729 // Discover the element's content height, then round up to the nearest multiple of line height.
3730 let preliminary_size = element.layout_as_root(
3731 size(available_width, AvailableSpace::MinContent),
3732 window,
3733 cx,
3734 );
3735 let quantized_height = (preliminary_size.height / line_height).ceil() * line_height;
3736 let final_size = if preliminary_size.height == quantized_height {
3737 preliminary_size
3738 } else {
3739 element.layout_as_root(size(available_width, quantized_height.into()), window, cx)
3740 };
3741 let mut element_height_in_lines = ((final_size.height / line_height).ceil() as u32).max(1);
3742
3743 let mut row = block_row_start;
3744 let mut x_offset = px(0.);
3745 let mut is_block = true;
3746
3747 if let BlockId::Custom(custom_block_id) = block_id
3748 && block.has_height()
3749 {
3750 if block.place_near()
3751 && let Some((x_target, line_width)) = x_position
3752 {
3753 let margin = em_width * 2;
3754 if line_width + final_size.width + margin
3755 < editor_width + editor_margins.gutter.full_width()
3756 && !row_block_types.contains_key(&(row - 1))
3757 && element_height_in_lines == 1
3758 {
3759 x_offset = line_width + margin;
3760 row = row - 1;
3761 is_block = false;
3762 element_height_in_lines = 0;
3763 row_block_types.insert(row, is_block);
3764 } else {
3765 let max_offset =
3766 editor_width + editor_margins.gutter.full_width() - final_size.width;
3767 let min_offset = (x_target + em_width - final_size.width)
3768 .max(editor_margins.gutter.full_width());
3769 x_offset = x_target.min(max_offset).max(min_offset);
3770 }
3771 };
3772 if element_height_in_lines != block.height() {
3773 resized_blocks.insert(custom_block_id, element_height_in_lines);
3774 }
3775 }
3776 for i in 0..element_height_in_lines {
3777 row_block_types.insert(row + i, is_block);
3778 }
3779
3780 Some((element, final_size, row, x_offset))
3781 }
3782
3783 fn render_buffer_header(
3784 &self,
3785 for_excerpt: &ExcerptInfo,
3786 is_folded: bool,
3787 is_selected: bool,
3788 is_sticky: bool,
3789 jump_data: JumpData,
3790 window: &mut Window,
3791 cx: &mut App,
3792 ) -> impl IntoElement {
3793 let editor = self.editor.read(cx);
3794 let multi_buffer = editor.buffer.read(cx);
3795 let file_status = multi_buffer
3796 .all_diff_hunks_expanded()
3797 .then(|| {
3798 editor
3799 .project
3800 .as_ref()?
3801 .read(cx)
3802 .status_for_buffer_id(for_excerpt.buffer_id, cx)
3803 })
3804 .flatten();
3805 let indicator = multi_buffer
3806 .buffer(for_excerpt.buffer_id)
3807 .and_then(|buffer| {
3808 let buffer = buffer.read(cx);
3809 let indicator_color = match (buffer.has_conflict(), buffer.is_dirty()) {
3810 (true, _) => Some(Color::Warning),
3811 (_, true) => Some(Color::Accent),
3812 (false, false) => None,
3813 };
3814 indicator_color.map(|indicator_color| Indicator::dot().color(indicator_color))
3815 });
3816
3817 let include_root = editor
3818 .project
3819 .as_ref()
3820 .map(|project| project.read(cx).visible_worktrees(cx).count() > 1)
3821 .unwrap_or_default();
3822 let file = for_excerpt.buffer.file();
3823 let can_open_excerpts = Editor::can_open_excerpts_in_file(file);
3824 let path_style = file.map(|file| file.path_style(cx));
3825 let relative_path = for_excerpt.buffer.resolve_file_path(include_root, cx);
3826 let (parent_path, filename) = if let Some(path) = &relative_path {
3827 if let Some(path_style) = path_style {
3828 let (dir, file_name) = path_style.split(path);
3829 (dir.map(|dir| dir.to_owned()), Some(file_name.to_owned()))
3830 } else {
3831 (None, Some(path.clone()))
3832 }
3833 } else {
3834 (None, None)
3835 };
3836 let focus_handle = editor.focus_handle(cx);
3837 let colors = cx.theme().colors();
3838
3839 let header = div()
3840 .p_1()
3841 .w_full()
3842 .h(FILE_HEADER_HEIGHT as f32 * window.line_height())
3843 .child(
3844 h_flex()
3845 .size_full()
3846 .gap_2()
3847 .flex_basis(Length::Definite(DefiniteLength::Fraction(0.667)))
3848 .pl_0p5()
3849 .pr_5()
3850 .rounded_sm()
3851 .when(is_sticky, |el| el.shadow_md())
3852 .border_1()
3853 .map(|div| {
3854 let border_color = if is_selected
3855 && is_folded
3856 && focus_handle.contains_focused(window, cx)
3857 {
3858 colors.border_focused
3859 } else {
3860 colors.border
3861 };
3862 div.border_color(border_color)
3863 })
3864 .bg(colors.editor_subheader_background)
3865 .hover(|style| style.bg(colors.element_hover))
3866 .map(|header| {
3867 let editor = self.editor.clone();
3868 let buffer_id = for_excerpt.buffer_id;
3869 let toggle_chevron_icon =
3870 FileIcons::get_chevron_icon(!is_folded, cx).map(Icon::from_path);
3871 header.child(
3872 div()
3873 .hover(|style| style.bg(colors.element_selected))
3874 .rounded_xs()
3875 .child(
3876 ButtonLike::new("toggle-buffer-fold")
3877 .style(ui::ButtonStyle::Transparent)
3878 .height(px(28.).into())
3879 .width(px(28.))
3880 .children(toggle_chevron_icon)
3881 .tooltip({
3882 let focus_handle = focus_handle.clone();
3883 move |window, cx| {
3884 Tooltip::with_meta_in(
3885 "Toggle Excerpt Fold",
3886 Some(&ToggleFold),
3887 format!(
3888 "{} to toggle all",
3889 text_for_keystroke(
3890 &Modifiers::alt(),
3891 "click",
3892 cx
3893 )
3894 ),
3895 &focus_handle,
3896 window,
3897 cx,
3898 )
3899 }
3900 })
3901 .on_click(move |event, window, cx| {
3902 if event.modifiers().alt {
3903 // Alt+click toggles all buffers
3904 editor.update(cx, |editor, cx| {
3905 editor.toggle_fold_all(
3906 &ToggleFoldAll,
3907 window,
3908 cx,
3909 );
3910 });
3911 } else {
3912 // Regular click toggles single buffer
3913 if is_folded {
3914 editor.update(cx, |editor, cx| {
3915 editor.unfold_buffer(buffer_id, cx);
3916 });
3917 } else {
3918 editor.update(cx, |editor, cx| {
3919 editor.fold_buffer(buffer_id, cx);
3920 });
3921 }
3922 }
3923 }),
3924 ),
3925 )
3926 })
3927 .children(
3928 editor
3929 .addons
3930 .values()
3931 .filter_map(|addon| {
3932 addon.render_buffer_header_controls(for_excerpt, window, cx)
3933 })
3934 .take(1),
3935 )
3936 .child(h_flex().size(px(12.0)).justify_center().children(indicator))
3937 .child(
3938 h_flex()
3939 .cursor_pointer()
3940 .id("path header block")
3941 .size_full()
3942 .justify_between()
3943 .overflow_hidden()
3944 .child(
3945 h_flex()
3946 .gap_2()
3947 .map(|path_header| {
3948 let filename = filename
3949 .map(SharedString::from)
3950 .unwrap_or_else(|| "untitled".into());
3951
3952 path_header
3953 .when(ItemSettings::get_global(cx).file_icons, |el| {
3954 let path = path::Path::new(filename.as_str());
3955 let icon = FileIcons::get_icon(path, cx)
3956 .unwrap_or_default();
3957 let icon =
3958 Icon::from_path(icon).color(Color::Muted);
3959 el.child(icon)
3960 })
3961 .child(Label::new(filename).single_line().when_some(
3962 file_status,
3963 |el, status| {
3964 el.color(if status.is_conflicted() {
3965 Color::Conflict
3966 } else if status.is_modified() {
3967 Color::Modified
3968 } else if status.is_deleted() {
3969 Color::Disabled
3970 } else {
3971 Color::Created
3972 })
3973 .when(status.is_deleted(), |el| {
3974 el.strikethrough()
3975 })
3976 },
3977 ))
3978 })
3979 .when_some(parent_path, |then, path| {
3980 then.child(div().child(path).text_color(
3981 if file_status.is_some_and(FileStatus::is_deleted) {
3982 colors.text_disabled
3983 } else {
3984 colors.text_muted
3985 },
3986 ))
3987 }),
3988 )
3989 .when(
3990 can_open_excerpts && is_selected && relative_path.is_some(),
3991 |el| {
3992 el.child(
3993 h_flex()
3994 .id("jump-to-file-button")
3995 .gap_2p5()
3996 .child(Label::new("Jump To File"))
3997 .children(
3998 KeyBinding::for_action_in(
3999 &OpenExcerpts,
4000 &focus_handle,
4001 window,
4002 cx,
4003 )
4004 .map(|binding| binding.into_any_element()),
4005 ),
4006 )
4007 },
4008 )
4009 .on_mouse_down(MouseButton::Left, |_, _, cx| cx.stop_propagation())
4010 .on_click(window.listener_for(&self.editor, {
4011 move |editor, e: &ClickEvent, window, cx| {
4012 editor.open_excerpts_common(
4013 Some(jump_data.clone()),
4014 e.modifiers().secondary(),
4015 window,
4016 cx,
4017 );
4018 }
4019 })),
4020 ),
4021 );
4022
4023 let file = for_excerpt.buffer.file().cloned();
4024 let editor = self.editor.clone();
4025 right_click_menu("buffer-header-context-menu")
4026 .trigger(move |_, _, _| header)
4027 .menu(move |window, cx| {
4028 let menu_context = focus_handle.clone();
4029 let editor = editor.clone();
4030 let file = file.clone();
4031 ContextMenu::build(window, cx, move |mut menu, window, cx| {
4032 if let Some(file) = file
4033 && let Some(project) = editor.read(cx).project()
4034 && let Some(worktree) =
4035 project.read(cx).worktree_for_id(file.worktree_id(cx), cx)
4036 {
4037 let path_style = file.path_style(cx);
4038 let worktree = worktree.read(cx);
4039 let relative_path = file.path();
4040 let entry_for_path = worktree.entry_for_path(relative_path);
4041 let abs_path = entry_for_path.map(|e| {
4042 e.canonical_path.as_deref().map_or_else(
4043 || worktree.absolutize(relative_path),
4044 Path::to_path_buf,
4045 )
4046 });
4047 let has_relative_path = worktree.root_entry().is_some_and(Entry::is_dir);
4048
4049 let parent_abs_path = abs_path
4050 .as_ref()
4051 .and_then(|abs_path| Some(abs_path.parent()?.to_path_buf()));
4052 let relative_path = has_relative_path
4053 .then_some(relative_path)
4054 .map(ToOwned::to_owned);
4055
4056 let visible_in_project_panel =
4057 relative_path.is_some() && worktree.is_visible();
4058 let reveal_in_project_panel = entry_for_path
4059 .filter(|_| visible_in_project_panel)
4060 .map(|entry| entry.id);
4061 menu = menu
4062 .when_some(abs_path, |menu, abs_path| {
4063 menu.entry(
4064 "Copy Path",
4065 Some(Box::new(zed_actions::workspace::CopyPath)),
4066 window.handler_for(&editor, move |_, _, cx| {
4067 cx.write_to_clipboard(ClipboardItem::new_string(
4068 abs_path.to_string_lossy().into_owned(),
4069 ));
4070 }),
4071 )
4072 })
4073 .when_some(relative_path, |menu, relative_path| {
4074 menu.entry(
4075 "Copy Relative Path",
4076 Some(Box::new(zed_actions::workspace::CopyRelativePath)),
4077 window.handler_for(&editor, move |_, _, cx| {
4078 cx.write_to_clipboard(ClipboardItem::new_string(
4079 relative_path.display(path_style).to_string(),
4080 ));
4081 }),
4082 )
4083 })
4084 .when(
4085 reveal_in_project_panel.is_some() || parent_abs_path.is_some(),
4086 |menu| menu.separator(),
4087 )
4088 .when_some(reveal_in_project_panel, |menu, entry_id| {
4089 menu.entry(
4090 "Reveal In Project Panel",
4091 Some(Box::new(RevealInProjectPanel::default())),
4092 window.handler_for(&editor, move |editor, _, cx| {
4093 if let Some(project) = &mut editor.project {
4094 project.update(cx, |_, cx| {
4095 cx.emit(project::Event::RevealInProjectPanel(
4096 entry_id,
4097 ))
4098 });
4099 }
4100 }),
4101 )
4102 })
4103 .when_some(parent_abs_path, |menu, parent_abs_path| {
4104 menu.entry(
4105 "Open in Terminal",
4106 Some(Box::new(OpenInTerminal)),
4107 window.handler_for(&editor, move |_, window, cx| {
4108 window.dispatch_action(
4109 OpenTerminal {
4110 working_directory: parent_abs_path.clone(),
4111 }
4112 .boxed_clone(),
4113 cx,
4114 );
4115 }),
4116 )
4117 });
4118 }
4119
4120 menu.context(menu_context)
4121 })
4122 })
4123 }
4124
4125 fn render_blocks(
4126 &self,
4127 rows: Range<DisplayRow>,
4128 snapshot: &EditorSnapshot,
4129 hitbox: &Hitbox,
4130 text_hitbox: &Hitbox,
4131 editor_width: Pixels,
4132 scroll_width: &mut Pixels,
4133 editor_margins: &EditorMargins,
4134 em_width: Pixels,
4135 text_x: Pixels,
4136 line_height: Pixels,
4137 line_layouts: &mut [LineWithInvisibles],
4138 selections: &[Selection<Point>],
4139 selected_buffer_ids: &Vec<BufferId>,
4140 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
4141 sticky_header_excerpt_id: Option<ExcerptId>,
4142 window: &mut Window,
4143 cx: &mut App,
4144 ) -> Result<(Vec<BlockLayout>, HashMap<DisplayRow, bool>), HashMap<CustomBlockId, u32>> {
4145 let (fixed_blocks, non_fixed_blocks) = snapshot
4146 .blocks_in_range(rows.clone())
4147 .partition::<Vec<_>, _>(|(_, block)| block.style() == BlockStyle::Fixed);
4148
4149 let mut focused_block = self
4150 .editor
4151 .update(cx, |editor, _| editor.take_focused_block());
4152 let mut fixed_block_max_width = Pixels::ZERO;
4153 let mut blocks = Vec::new();
4154 let mut resized_blocks = HashMap::default();
4155 let mut row_block_types = HashMap::default();
4156
4157 for (row, block) in fixed_blocks {
4158 let block_id = block.id();
4159
4160 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4161 focused_block = None;
4162 }
4163
4164 if let Some((element, element_size, row, x_offset)) = self.render_block(
4165 block,
4166 AvailableSpace::MinContent,
4167 block_id,
4168 row,
4169 snapshot,
4170 text_x,
4171 &rows,
4172 line_layouts,
4173 editor_margins,
4174 line_height,
4175 em_width,
4176 text_hitbox,
4177 editor_width,
4178 scroll_width,
4179 &mut resized_blocks,
4180 &mut row_block_types,
4181 selections,
4182 selected_buffer_ids,
4183 is_row_soft_wrapped,
4184 sticky_header_excerpt_id,
4185 window,
4186 cx,
4187 ) {
4188 fixed_block_max_width = fixed_block_max_width.max(element_size.width + em_width);
4189 blocks.push(BlockLayout {
4190 id: block_id,
4191 x_offset,
4192 row: Some(row),
4193 element,
4194 available_space: size(AvailableSpace::MinContent, element_size.height.into()),
4195 style: BlockStyle::Fixed,
4196 overlaps_gutter: true,
4197 is_buffer_header: block.is_buffer_header(),
4198 });
4199 }
4200 }
4201
4202 for (row, block) in non_fixed_blocks {
4203 let style = block.style();
4204 let width = match (style, block.place_near()) {
4205 (_, true) => AvailableSpace::MinContent,
4206 (BlockStyle::Sticky, _) => hitbox.size.width.into(),
4207 (BlockStyle::Flex, _) => hitbox
4208 .size
4209 .width
4210 .max(fixed_block_max_width)
4211 .max(editor_margins.gutter.width + *scroll_width)
4212 .into(),
4213 (BlockStyle::Fixed, _) => unreachable!(),
4214 };
4215 let block_id = block.id();
4216
4217 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4218 focused_block = None;
4219 }
4220
4221 if let Some((element, element_size, row, x_offset)) = self.render_block(
4222 block,
4223 width,
4224 block_id,
4225 row,
4226 snapshot,
4227 text_x,
4228 &rows,
4229 line_layouts,
4230 editor_margins,
4231 line_height,
4232 em_width,
4233 text_hitbox,
4234 editor_width,
4235 scroll_width,
4236 &mut resized_blocks,
4237 &mut row_block_types,
4238 selections,
4239 selected_buffer_ids,
4240 is_row_soft_wrapped,
4241 sticky_header_excerpt_id,
4242 window,
4243 cx,
4244 ) {
4245 blocks.push(BlockLayout {
4246 id: block_id,
4247 x_offset,
4248 row: Some(row),
4249 element,
4250 available_space: size(width, element_size.height.into()),
4251 style,
4252 overlaps_gutter: !block.place_near(),
4253 is_buffer_header: block.is_buffer_header(),
4254 });
4255 }
4256 }
4257
4258 if let Some(focused_block) = focused_block
4259 && let Some(focus_handle) = focused_block.focus_handle.upgrade()
4260 && focus_handle.is_focused(window)
4261 && let Some(block) = snapshot.block_for_id(focused_block.id)
4262 {
4263 let style = block.style();
4264 let width = match style {
4265 BlockStyle::Fixed => AvailableSpace::MinContent,
4266 BlockStyle::Flex => AvailableSpace::Definite(
4267 hitbox
4268 .size
4269 .width
4270 .max(fixed_block_max_width)
4271 .max(editor_margins.gutter.width + *scroll_width),
4272 ),
4273 BlockStyle::Sticky => AvailableSpace::Definite(hitbox.size.width),
4274 };
4275
4276 if let Some((element, element_size, _, x_offset)) = self.render_block(
4277 &block,
4278 width,
4279 focused_block.id,
4280 rows.end,
4281 snapshot,
4282 text_x,
4283 &rows,
4284 line_layouts,
4285 editor_margins,
4286 line_height,
4287 em_width,
4288 text_hitbox,
4289 editor_width,
4290 scroll_width,
4291 &mut resized_blocks,
4292 &mut row_block_types,
4293 selections,
4294 selected_buffer_ids,
4295 is_row_soft_wrapped,
4296 sticky_header_excerpt_id,
4297 window,
4298 cx,
4299 ) {
4300 blocks.push(BlockLayout {
4301 id: block.id(),
4302 x_offset,
4303 row: None,
4304 element,
4305 available_space: size(width, element_size.height.into()),
4306 style,
4307 overlaps_gutter: true,
4308 is_buffer_header: block.is_buffer_header(),
4309 });
4310 }
4311 }
4312
4313 if resized_blocks.is_empty() {
4314 *scroll_width =
4315 (*scroll_width).max(fixed_block_max_width - editor_margins.gutter.width);
4316 Ok((blocks, row_block_types))
4317 } else {
4318 Err(resized_blocks)
4319 }
4320 }
4321
4322 fn layout_blocks(
4323 &self,
4324 blocks: &mut Vec<BlockLayout>,
4325 hitbox: &Hitbox,
4326 line_height: Pixels,
4327 scroll_position: gpui::Point<ScrollOffset>,
4328 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4329 window: &mut Window,
4330 cx: &mut App,
4331 ) {
4332 for block in blocks {
4333 let mut origin = if let Some(row) = block.row {
4334 hitbox.origin
4335 + point(
4336 block.x_offset,
4337 Pixels::from(
4338 (row.as_f64() - scroll_position.y)
4339 * ScrollPixelOffset::from(line_height),
4340 ),
4341 )
4342 } else {
4343 // Position the block outside the visible area
4344 hitbox.origin + point(Pixels::ZERO, hitbox.size.height)
4345 };
4346
4347 if !matches!(block.style, BlockStyle::Sticky) {
4348 origin += point(Pixels::from(-scroll_pixel_position.x), Pixels::ZERO);
4349 }
4350
4351 let focus_handle =
4352 block
4353 .element
4354 .prepaint_as_root(origin, block.available_space, window, cx);
4355
4356 if let Some(focus_handle) = focus_handle {
4357 self.editor.update(cx, |editor, _cx| {
4358 editor.set_focused_block(FocusedBlock {
4359 id: block.id,
4360 focus_handle: focus_handle.downgrade(),
4361 });
4362 });
4363 }
4364 }
4365 }
4366
4367 fn layout_sticky_buffer_header(
4368 &self,
4369 StickyHeaderExcerpt { excerpt }: StickyHeaderExcerpt<'_>,
4370 scroll_position: gpui::Point<ScrollOffset>,
4371 line_height: Pixels,
4372 right_margin: Pixels,
4373 snapshot: &EditorSnapshot,
4374 hitbox: &Hitbox,
4375 selected_buffer_ids: &Vec<BufferId>,
4376 blocks: &[BlockLayout],
4377 window: &mut Window,
4378 cx: &mut App,
4379 ) -> AnyElement {
4380 let jump_data = header_jump_data(
4381 snapshot,
4382 DisplayRow(scroll_position.y as u32),
4383 FILE_HEADER_HEIGHT + MULTI_BUFFER_EXCERPT_HEADER_HEIGHT,
4384 excerpt,
4385 );
4386
4387 let editor_bg_color = cx.theme().colors().editor_background;
4388
4389 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
4390
4391 let available_width = hitbox.bounds.size.width - right_margin;
4392
4393 let mut header = v_flex()
4394 .w_full()
4395 .relative()
4396 .child(
4397 div()
4398 .w(available_width)
4399 .h(FILE_HEADER_HEIGHT as f32 * line_height)
4400 .bg(linear_gradient(
4401 0.,
4402 linear_color_stop(editor_bg_color.opacity(0.), 0.),
4403 linear_color_stop(editor_bg_color, 0.6),
4404 ))
4405 .absolute()
4406 .top_0(),
4407 )
4408 .child(
4409 self.render_buffer_header(excerpt, false, selected, true, jump_data, window, cx)
4410 .into_any_element(),
4411 )
4412 .into_any_element();
4413
4414 let mut origin = hitbox.origin;
4415 // Move floating header up to avoid colliding with the next buffer header.
4416 for block in blocks.iter() {
4417 if !block.is_buffer_header {
4418 continue;
4419 }
4420
4421 let Some(display_row) = block.row.filter(|row| row.0 > scroll_position.y as u32) else {
4422 continue;
4423 };
4424
4425 let max_row = display_row.0.saturating_sub(FILE_HEADER_HEIGHT);
4426 let offset = scroll_position.y - max_row as f64;
4427
4428 if offset > 0.0 {
4429 origin.y -= Pixels::from(offset * ScrollPixelOffset::from(line_height));
4430 }
4431 break;
4432 }
4433
4434 let size = size(
4435 AvailableSpace::Definite(available_width),
4436 AvailableSpace::MinContent,
4437 );
4438
4439 header.prepaint_as_root(origin, size, window, cx);
4440
4441 header
4442 }
4443
4444 fn layout_cursor_popovers(
4445 &self,
4446 line_height: Pixels,
4447 text_hitbox: &Hitbox,
4448 content_origin: gpui::Point<Pixels>,
4449 right_margin: Pixels,
4450 start_row: DisplayRow,
4451 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4452 line_layouts: &[LineWithInvisibles],
4453 cursor: DisplayPoint,
4454 cursor_point: Point,
4455 style: &EditorStyle,
4456 window: &mut Window,
4457 cx: &mut App,
4458 ) -> Option<ContextMenuLayout> {
4459 let mut min_menu_height = Pixels::ZERO;
4460 let mut max_menu_height = Pixels::ZERO;
4461 let mut height_above_menu = Pixels::ZERO;
4462 let height_below_menu = Pixels::ZERO;
4463 let mut edit_prediction_popover_visible = false;
4464 let mut context_menu_visible = false;
4465 let context_menu_placement;
4466
4467 {
4468 let editor = self.editor.read(cx);
4469 if editor.edit_prediction_visible_in_cursor_popover(editor.has_active_edit_prediction())
4470 {
4471 height_above_menu +=
4472 editor.edit_prediction_cursor_popover_height() + POPOVER_Y_PADDING;
4473 edit_prediction_popover_visible = true;
4474 }
4475
4476 if editor.context_menu_visible()
4477 && let Some(crate::ContextMenuOrigin::Cursor) = editor.context_menu_origin()
4478 {
4479 let (min_height_in_lines, max_height_in_lines) = editor
4480 .context_menu_options
4481 .as_ref()
4482 .map_or((3, 12), |options| {
4483 (options.min_entries_visible, options.max_entries_visible)
4484 });
4485
4486 min_menu_height += line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4487 max_menu_height += line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4488 context_menu_visible = true;
4489 }
4490 context_menu_placement = editor
4491 .context_menu_options
4492 .as_ref()
4493 .and_then(|options| options.placement.clone());
4494 }
4495
4496 let visible = edit_prediction_popover_visible || context_menu_visible;
4497 if !visible {
4498 return None;
4499 }
4500
4501 let cursor_row_layout = &line_layouts[cursor.row().minus(start_row) as usize];
4502 let target_position = content_origin
4503 + gpui::Point {
4504 x: cmp::max(
4505 px(0.),
4506 Pixels::from(
4507 ScrollPixelOffset::from(
4508 cursor_row_layout.x_for_index(cursor.column() as usize),
4509 ) - scroll_pixel_position.x,
4510 ),
4511 ),
4512 y: cmp::max(
4513 px(0.),
4514 Pixels::from(
4515 cursor.row().next_row().as_f64() * ScrollPixelOffset::from(line_height)
4516 - scroll_pixel_position.y,
4517 ),
4518 ),
4519 };
4520
4521 let viewport_bounds =
4522 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4523 right: -right_margin - MENU_GAP,
4524 ..Default::default()
4525 });
4526
4527 let min_height = height_above_menu + min_menu_height + height_below_menu;
4528 let max_height = height_above_menu + max_menu_height + height_below_menu;
4529 let (laid_out_popovers, y_flipped) = self.layout_popovers_above_or_below_line(
4530 target_position,
4531 line_height,
4532 min_height,
4533 max_height,
4534 context_menu_placement,
4535 text_hitbox,
4536 viewport_bounds,
4537 window,
4538 cx,
4539 |height, max_width_for_stable_x, y_flipped, window, cx| {
4540 // First layout the menu to get its size - others can be at least this wide.
4541 let context_menu = if context_menu_visible {
4542 let menu_height = if y_flipped {
4543 height - height_below_menu
4544 } else {
4545 height - height_above_menu
4546 };
4547 let mut element = self
4548 .render_context_menu(line_height, menu_height, window, cx)
4549 .expect("Visible context menu should always render.");
4550 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4551 Some((CursorPopoverType::CodeContextMenu, element, size))
4552 } else {
4553 None
4554 };
4555 let min_width = context_menu
4556 .as_ref()
4557 .map_or(px(0.), |(_, _, size)| size.width);
4558 let max_width = max_width_for_stable_x.max(
4559 context_menu
4560 .as_ref()
4561 .map_or(px(0.), |(_, _, size)| size.width),
4562 );
4563
4564 let edit_prediction = if edit_prediction_popover_visible {
4565 self.editor.update(cx, move |editor, cx| {
4566 let accept_binding =
4567 editor.accept_edit_prediction_keybind(false, window, cx);
4568 let mut element = editor.render_edit_prediction_cursor_popover(
4569 min_width,
4570 max_width,
4571 cursor_point,
4572 style,
4573 accept_binding.keystroke(),
4574 window,
4575 cx,
4576 )?;
4577 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4578 Some((CursorPopoverType::EditPrediction, element, size))
4579 })
4580 } else {
4581 None
4582 };
4583 vec![edit_prediction, context_menu]
4584 .into_iter()
4585 .flatten()
4586 .collect::<Vec<_>>()
4587 },
4588 )?;
4589
4590 let (menu_ix, (_, menu_bounds)) = laid_out_popovers
4591 .iter()
4592 .find_position(|(x, _)| matches!(x, CursorPopoverType::CodeContextMenu))?;
4593 let last_ix = laid_out_popovers.len() - 1;
4594 let menu_is_last = menu_ix == last_ix;
4595 let first_popover_bounds = laid_out_popovers[0].1;
4596 let last_popover_bounds = laid_out_popovers[last_ix].1;
4597
4598 // Bounds to layout the aside around. When y_flipped, the aside goes either above or to the
4599 // right, and otherwise it goes below or to the right.
4600 let mut target_bounds = Bounds::from_corners(
4601 first_popover_bounds.origin,
4602 last_popover_bounds.bottom_right(),
4603 );
4604 target_bounds.size.width = menu_bounds.size.width;
4605
4606 // Like `target_bounds`, but with the max height it could occupy. Choosing an aside position
4607 // based on this is preferred for layout stability.
4608 let mut max_target_bounds = target_bounds;
4609 max_target_bounds.size.height = max_height;
4610 if y_flipped {
4611 max_target_bounds.origin.y -= max_height - target_bounds.size.height;
4612 }
4613
4614 // Add spacing around `target_bounds` and `max_target_bounds`.
4615 let mut extend_amount = Edges::all(MENU_GAP);
4616 if y_flipped {
4617 extend_amount.bottom = line_height;
4618 } else {
4619 extend_amount.top = line_height;
4620 }
4621 let target_bounds = target_bounds.extend(extend_amount);
4622 let max_target_bounds = max_target_bounds.extend(extend_amount);
4623
4624 let must_place_above_or_below =
4625 if y_flipped && !menu_is_last && menu_bounds.size.height < max_menu_height {
4626 laid_out_popovers[menu_ix + 1..]
4627 .iter()
4628 .any(|(_, popover_bounds)| popover_bounds.size.width > menu_bounds.size.width)
4629 } else {
4630 false
4631 };
4632
4633 let aside_bounds = self.layout_context_menu_aside(
4634 y_flipped,
4635 *menu_bounds,
4636 target_bounds,
4637 max_target_bounds,
4638 max_menu_height,
4639 must_place_above_or_below,
4640 text_hitbox,
4641 viewport_bounds,
4642 window,
4643 cx,
4644 );
4645
4646 if let Some(menu_bounds) = laid_out_popovers.iter().find_map(|(popover_type, bounds)| {
4647 if matches!(popover_type, CursorPopoverType::CodeContextMenu) {
4648 Some(*bounds)
4649 } else {
4650 None
4651 }
4652 }) {
4653 let bounds = if let Some(aside_bounds) = aside_bounds {
4654 menu_bounds.union(&aside_bounds)
4655 } else {
4656 menu_bounds
4657 };
4658 return Some(ContextMenuLayout { y_flipped, bounds });
4659 }
4660
4661 None
4662 }
4663
4664 fn layout_gutter_menu(
4665 &self,
4666 line_height: Pixels,
4667 text_hitbox: &Hitbox,
4668 content_origin: gpui::Point<Pixels>,
4669 right_margin: Pixels,
4670 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4671 gutter_overshoot: Pixels,
4672 window: &mut Window,
4673 cx: &mut App,
4674 ) {
4675 let editor = self.editor.read(cx);
4676 if !editor.context_menu_visible() {
4677 return;
4678 }
4679 let Some(crate::ContextMenuOrigin::GutterIndicator(gutter_row)) =
4680 editor.context_menu_origin()
4681 else {
4682 return;
4683 };
4684 // Context menu was spawned via a click on a gutter. Ensure it's a bit closer to the
4685 // indicator than just a plain first column of the text field.
4686 let target_position = content_origin
4687 + gpui::Point {
4688 x: -gutter_overshoot,
4689 y: Pixels::from(
4690 gutter_row.next_row().as_f64() * ScrollPixelOffset::from(line_height)
4691 - scroll_pixel_position.y,
4692 ),
4693 };
4694
4695 let (min_height_in_lines, max_height_in_lines) = editor
4696 .context_menu_options
4697 .as_ref()
4698 .map_or((3, 12), |options| {
4699 (options.min_entries_visible, options.max_entries_visible)
4700 });
4701
4702 let min_height = line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4703 let max_height = line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4704 let viewport_bounds =
4705 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4706 right: -right_margin - MENU_GAP,
4707 ..Default::default()
4708 });
4709 self.layout_popovers_above_or_below_line(
4710 target_position,
4711 line_height,
4712 min_height,
4713 max_height,
4714 editor
4715 .context_menu_options
4716 .as_ref()
4717 .and_then(|options| options.placement.clone()),
4718 text_hitbox,
4719 viewport_bounds,
4720 window,
4721 cx,
4722 move |height, _max_width_for_stable_x, _, window, cx| {
4723 let mut element = self
4724 .render_context_menu(line_height, height, window, cx)
4725 .expect("Visible context menu should always render.");
4726 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4727 vec![(CursorPopoverType::CodeContextMenu, element, size)]
4728 },
4729 );
4730 }
4731
4732 fn layout_popovers_above_or_below_line(
4733 &self,
4734 target_position: gpui::Point<Pixels>,
4735 line_height: Pixels,
4736 min_height: Pixels,
4737 max_height: Pixels,
4738 placement: Option<ContextMenuPlacement>,
4739 text_hitbox: &Hitbox,
4740 viewport_bounds: Bounds<Pixels>,
4741 window: &mut Window,
4742 cx: &mut App,
4743 make_sized_popovers: impl FnOnce(
4744 Pixels,
4745 Pixels,
4746 bool,
4747 &mut Window,
4748 &mut App,
4749 ) -> Vec<(CursorPopoverType, AnyElement, Size<Pixels>)>,
4750 ) -> Option<(Vec<(CursorPopoverType, Bounds<Pixels>)>, bool)> {
4751 let text_style = TextStyleRefinement {
4752 line_height: Some(DefiniteLength::Fraction(
4753 BufferLineHeight::Comfortable.value(),
4754 )),
4755 ..Default::default()
4756 };
4757 window.with_text_style(Some(text_style), |window| {
4758 // If the max height won't fit below and there is more space above, put it above the line.
4759 let bottom_y_when_flipped = target_position.y - line_height;
4760 let available_above = bottom_y_when_flipped - text_hitbox.top();
4761 let available_below = text_hitbox.bottom() - target_position.y;
4762 let y_overflows_below = max_height > available_below;
4763 let mut y_flipped = match placement {
4764 Some(ContextMenuPlacement::Above) => true,
4765 Some(ContextMenuPlacement::Below) => false,
4766 None => y_overflows_below && available_above > available_below,
4767 };
4768 let mut height = cmp::min(
4769 max_height,
4770 if y_flipped {
4771 available_above
4772 } else {
4773 available_below
4774 },
4775 );
4776
4777 // If the min height doesn't fit within text bounds, instead fit within the window.
4778 if height < min_height {
4779 let available_above = bottom_y_when_flipped;
4780 let available_below = viewport_bounds.bottom() - target_position.y;
4781 let (y_flipped_override, height_override) = match placement {
4782 Some(ContextMenuPlacement::Above) => {
4783 (true, cmp::min(available_above, min_height))
4784 }
4785 Some(ContextMenuPlacement::Below) => {
4786 (false, cmp::min(available_below, min_height))
4787 }
4788 None => {
4789 if available_below > min_height {
4790 (false, min_height)
4791 } else if available_above > min_height {
4792 (true, min_height)
4793 } else if available_above > available_below {
4794 (true, available_above)
4795 } else {
4796 (false, available_below)
4797 }
4798 }
4799 };
4800 y_flipped = y_flipped_override;
4801 height = height_override;
4802 }
4803
4804 let max_width_for_stable_x = viewport_bounds.right() - target_position.x;
4805
4806 // TODO: Use viewport_bounds.width as a max width so that it doesn't get clipped on the left
4807 // for very narrow windows.
4808 let popovers =
4809 make_sized_popovers(height, max_width_for_stable_x, y_flipped, window, cx);
4810 if popovers.is_empty() {
4811 return None;
4812 }
4813
4814 let max_width = popovers
4815 .iter()
4816 .map(|(_, _, size)| size.width)
4817 .max()
4818 .unwrap_or_default();
4819
4820 let mut current_position = gpui::Point {
4821 // Snap the right edge of the list to the right edge of the window if its horizontal bounds
4822 // overflow. Include space for the scrollbar.
4823 x: target_position
4824 .x
4825 .min((viewport_bounds.right() - max_width).max(Pixels::ZERO)),
4826 y: if y_flipped {
4827 bottom_y_when_flipped
4828 } else {
4829 target_position.y
4830 },
4831 };
4832
4833 let mut laid_out_popovers = popovers
4834 .into_iter()
4835 .map(|(popover_type, element, size)| {
4836 if y_flipped {
4837 current_position.y -= size.height;
4838 }
4839 let position = current_position;
4840 window.defer_draw(element, current_position, 1);
4841 if !y_flipped {
4842 current_position.y += size.height + MENU_GAP;
4843 } else {
4844 current_position.y -= MENU_GAP;
4845 }
4846 (popover_type, Bounds::new(position, size))
4847 })
4848 .collect::<Vec<_>>();
4849
4850 if y_flipped {
4851 laid_out_popovers.reverse();
4852 }
4853
4854 Some((laid_out_popovers, y_flipped))
4855 })
4856 }
4857
4858 fn layout_context_menu_aside(
4859 &self,
4860 y_flipped: bool,
4861 menu_bounds: Bounds<Pixels>,
4862 target_bounds: Bounds<Pixels>,
4863 max_target_bounds: Bounds<Pixels>,
4864 max_height: Pixels,
4865 must_place_above_or_below: bool,
4866 text_hitbox: &Hitbox,
4867 viewport_bounds: Bounds<Pixels>,
4868 window: &mut Window,
4869 cx: &mut App,
4870 ) -> Option<Bounds<Pixels>> {
4871 let available_within_viewport = target_bounds.space_within(&viewport_bounds);
4872 let positioned_aside = if available_within_viewport.right >= MENU_ASIDE_MIN_WIDTH
4873 && !must_place_above_or_below
4874 {
4875 let max_width = cmp::min(
4876 available_within_viewport.right - px(1.),
4877 MENU_ASIDE_MAX_WIDTH,
4878 );
4879 let mut aside = self.render_context_menu_aside(
4880 size(max_width, max_height - POPOVER_Y_PADDING),
4881 window,
4882 cx,
4883 )?;
4884 let size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4885 let right_position = point(target_bounds.right(), menu_bounds.origin.y);
4886 Some((aside, right_position, size))
4887 } else {
4888 let max_size = size(
4889 // TODO(mgsloan): Once the menu is bounded by viewport width the bound on viewport
4890 // won't be needed here.
4891 cmp::min(
4892 cmp::max(menu_bounds.size.width - px(2.), MENU_ASIDE_MIN_WIDTH),
4893 viewport_bounds.right(),
4894 ),
4895 cmp::min(
4896 max_height,
4897 cmp::max(
4898 available_within_viewport.top,
4899 available_within_viewport.bottom,
4900 ),
4901 ) - POPOVER_Y_PADDING,
4902 );
4903 let mut aside = self.render_context_menu_aside(max_size, window, cx)?;
4904 let actual_size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4905
4906 let top_position = point(
4907 menu_bounds.origin.x,
4908 target_bounds.top() - actual_size.height,
4909 );
4910 let bottom_position = point(menu_bounds.origin.x, target_bounds.bottom());
4911
4912 let fit_within = |available: Edges<Pixels>, wanted: Size<Pixels>| {
4913 // Prefer to fit on the same side of the line as the menu, then on the other side of
4914 // the line.
4915 if !y_flipped && wanted.height < available.bottom {
4916 Some(bottom_position)
4917 } else if !y_flipped && wanted.height < available.top {
4918 Some(top_position)
4919 } else if y_flipped && wanted.height < available.top {
4920 Some(top_position)
4921 } else if y_flipped && wanted.height < available.bottom {
4922 Some(bottom_position)
4923 } else {
4924 None
4925 }
4926 };
4927
4928 // Prefer choosing a direction using max sizes rather than actual size for stability.
4929 let available_within_text = max_target_bounds.space_within(&text_hitbox.bounds);
4930 let wanted = size(MENU_ASIDE_MAX_WIDTH, max_height);
4931 let aside_position = fit_within(available_within_text, wanted)
4932 // Fallback: fit max size in window.
4933 .or_else(|| fit_within(max_target_bounds.space_within(&viewport_bounds), wanted))
4934 // Fallback: fit actual size in window.
4935 .or_else(|| fit_within(available_within_viewport, actual_size));
4936
4937 aside_position.map(|position| (aside, position, actual_size))
4938 };
4939
4940 // Skip drawing if it doesn't fit anywhere.
4941 if let Some((aside, position, size)) = positioned_aside {
4942 let aside_bounds = Bounds::new(position, size);
4943 window.defer_draw(aside, position, 2);
4944 return Some(aside_bounds);
4945 }
4946
4947 None
4948 }
4949
4950 fn render_context_menu(
4951 &self,
4952 line_height: Pixels,
4953 height: Pixels,
4954 window: &mut Window,
4955 cx: &mut App,
4956 ) -> Option<AnyElement> {
4957 let max_height_in_lines = ((height - POPOVER_Y_PADDING) / line_height).floor() as u32;
4958 self.editor.update(cx, |editor, cx| {
4959 editor.render_context_menu(&self.style, max_height_in_lines, window, cx)
4960 })
4961 }
4962
4963 fn render_context_menu_aside(
4964 &self,
4965 max_size: Size<Pixels>,
4966 window: &mut Window,
4967 cx: &mut App,
4968 ) -> Option<AnyElement> {
4969 if max_size.width < px(100.) || max_size.height < px(12.) {
4970 None
4971 } else {
4972 self.editor.update(cx, |editor, cx| {
4973 editor.render_context_menu_aside(max_size, window, cx)
4974 })
4975 }
4976 }
4977
4978 fn layout_mouse_context_menu(
4979 &self,
4980 editor_snapshot: &EditorSnapshot,
4981 visible_range: Range<DisplayRow>,
4982 content_origin: gpui::Point<Pixels>,
4983 window: &mut Window,
4984 cx: &mut App,
4985 ) -> Option<AnyElement> {
4986 let position = self.editor.update(cx, |editor, _cx| {
4987 let visible_start_point = editor.display_to_pixel_point(
4988 DisplayPoint::new(visible_range.start, 0),
4989 editor_snapshot,
4990 window,
4991 )?;
4992 let visible_end_point = editor.display_to_pixel_point(
4993 DisplayPoint::new(visible_range.end, 0),
4994 editor_snapshot,
4995 window,
4996 )?;
4997
4998 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
4999 let (source_display_point, position) = match mouse_context_menu.position {
5000 MenuPosition::PinnedToScreen(point) => (None, point),
5001 MenuPosition::PinnedToEditor { source, offset } => {
5002 let source_display_point = source.to_display_point(editor_snapshot);
5003 let source_point = editor.to_pixel_point(source, editor_snapshot, window)?;
5004 let position = content_origin + source_point + offset;
5005 (Some(source_display_point), position)
5006 }
5007 };
5008
5009 let source_included = source_display_point.is_none_or(|source_display_point| {
5010 visible_range
5011 .to_inclusive()
5012 .contains(&source_display_point.row())
5013 });
5014 let position_included =
5015 visible_start_point.y <= position.y && position.y <= visible_end_point.y;
5016 if !source_included && !position_included {
5017 None
5018 } else {
5019 Some(position)
5020 }
5021 })?;
5022
5023 let text_style = TextStyleRefinement {
5024 line_height: Some(DefiniteLength::Fraction(
5025 BufferLineHeight::Comfortable.value(),
5026 )),
5027 ..Default::default()
5028 };
5029 window.with_text_style(Some(text_style), |window| {
5030 let mut element = self.editor.read_with(cx, |editor, _| {
5031 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
5032 let context_menu = mouse_context_menu.context_menu.clone();
5033
5034 Some(
5035 deferred(
5036 anchored()
5037 .position(position)
5038 .child(context_menu)
5039 .anchor(Corner::TopLeft)
5040 .snap_to_window_with_margin(px(8.)),
5041 )
5042 .with_priority(1)
5043 .into_any(),
5044 )
5045 })?;
5046
5047 element.prepaint_as_root(position, AvailableSpace::min_size(), window, cx);
5048 Some(element)
5049 })
5050 }
5051
5052 fn layout_hover_popovers(
5053 &self,
5054 snapshot: &EditorSnapshot,
5055 hitbox: &Hitbox,
5056 visible_display_row_range: Range<DisplayRow>,
5057 content_origin: gpui::Point<Pixels>,
5058 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5059 line_layouts: &[LineWithInvisibles],
5060 line_height: Pixels,
5061 em_width: Pixels,
5062 context_menu_layout: Option<ContextMenuLayout>,
5063 window: &mut Window,
5064 cx: &mut App,
5065 ) {
5066 struct MeasuredHoverPopover {
5067 element: AnyElement,
5068 size: Size<Pixels>,
5069 horizontal_offset: Pixels,
5070 }
5071
5072 let max_size = size(
5073 (120. * em_width) // Default size
5074 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5075 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5076 (16. * line_height) // Default size
5077 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5078 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5079 );
5080
5081 let hover_popovers = self.editor.update(cx, |editor, cx| {
5082 editor.hover_state.render(
5083 snapshot,
5084 visible_display_row_range.clone(),
5085 max_size,
5086 window,
5087 cx,
5088 )
5089 });
5090 let Some((position, hover_popovers)) = hover_popovers else {
5091 return;
5092 };
5093
5094 // This is safe because we check on layout whether the required row is available
5095 let hovered_row_layout =
5096 &line_layouts[position.row().minus(visible_display_row_range.start) as usize];
5097
5098 // Compute Hovered Point
5099 let x = hovered_row_layout.x_for_index(position.column() as usize)
5100 - Pixels::from(scroll_pixel_position.x);
5101 let y = Pixels::from(
5102 position.row().as_f64() * ScrollPixelOffset::from(line_height)
5103 - scroll_pixel_position.y,
5104 );
5105 let hovered_point = content_origin + point(x, y);
5106
5107 let mut overall_height = Pixels::ZERO;
5108 let mut measured_hover_popovers = Vec::new();
5109 for (position, mut hover_popover) in hover_popovers.into_iter().with_position() {
5110 let size = hover_popover.layout_as_root(AvailableSpace::min_size(), window, cx);
5111 let horizontal_offset =
5112 (hitbox.top_right().x - POPOVER_RIGHT_OFFSET - (hovered_point.x + size.width))
5113 .min(Pixels::ZERO);
5114 match position {
5115 itertools::Position::Middle | itertools::Position::Last => {
5116 overall_height += HOVER_POPOVER_GAP
5117 }
5118 _ => {}
5119 }
5120 overall_height += size.height;
5121 measured_hover_popovers.push(MeasuredHoverPopover {
5122 element: hover_popover,
5123 size,
5124 horizontal_offset,
5125 });
5126 }
5127
5128 fn draw_occluder(
5129 width: Pixels,
5130 origin: gpui::Point<Pixels>,
5131 window: &mut Window,
5132 cx: &mut App,
5133 ) {
5134 let mut occlusion = div()
5135 .size_full()
5136 .occlude()
5137 .on_mouse_move(|_, _, cx| cx.stop_propagation())
5138 .into_any_element();
5139 occlusion.layout_as_root(size(width, HOVER_POPOVER_GAP).into(), window, cx);
5140 window.defer_draw(occlusion, origin, 2);
5141 }
5142
5143 fn place_popovers_above(
5144 hovered_point: gpui::Point<Pixels>,
5145 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5146 window: &mut Window,
5147 cx: &mut App,
5148 ) {
5149 let mut current_y = hovered_point.y;
5150 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5151 let size = popover.size;
5152 let popover_origin = point(
5153 hovered_point.x + popover.horizontal_offset,
5154 current_y - size.height,
5155 );
5156
5157 window.defer_draw(popover.element, popover_origin, 2);
5158 if position != itertools::Position::Last {
5159 let origin = point(popover_origin.x, popover_origin.y - HOVER_POPOVER_GAP);
5160 draw_occluder(size.width, origin, window, cx);
5161 }
5162
5163 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5164 }
5165 }
5166
5167 fn place_popovers_below(
5168 hovered_point: gpui::Point<Pixels>,
5169 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5170 line_height: Pixels,
5171 window: &mut Window,
5172 cx: &mut App,
5173 ) {
5174 let mut current_y = hovered_point.y + line_height;
5175 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5176 let size = popover.size;
5177 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5178
5179 window.defer_draw(popover.element, popover_origin, 2);
5180 if position != itertools::Position::Last {
5181 let origin = point(popover_origin.x, popover_origin.y + size.height);
5182 draw_occluder(size.width, origin, window, cx);
5183 }
5184
5185 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5186 }
5187 }
5188
5189 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5190 context_menu_layout
5191 .as_ref()
5192 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5193 };
5194
5195 let can_place_above = {
5196 let mut bounds_above = Vec::new();
5197 let mut current_y = hovered_point.y;
5198 for popover in &measured_hover_popovers {
5199 let size = popover.size;
5200 let popover_origin = point(
5201 hovered_point.x + popover.horizontal_offset,
5202 current_y - size.height,
5203 );
5204 bounds_above.push(Bounds::new(popover_origin, size));
5205 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5206 }
5207 bounds_above
5208 .iter()
5209 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5210 };
5211
5212 let can_place_below = || {
5213 let mut bounds_below = Vec::new();
5214 let mut current_y = hovered_point.y + line_height;
5215 for popover in &measured_hover_popovers {
5216 let size = popover.size;
5217 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5218 bounds_below.push(Bounds::new(popover_origin, size));
5219 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5220 }
5221 bounds_below
5222 .iter()
5223 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5224 };
5225
5226 if can_place_above {
5227 // try placing above hovered point
5228 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5229 } else if can_place_below() {
5230 // try placing below hovered point
5231 place_popovers_below(
5232 hovered_point,
5233 measured_hover_popovers,
5234 line_height,
5235 window,
5236 cx,
5237 );
5238 } else {
5239 // try to place popovers around the context menu
5240 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5241 let total_width = measured_hover_popovers
5242 .iter()
5243 .map(|p| p.size.width)
5244 .max()
5245 .unwrap_or(Pixels::ZERO);
5246 let y_for_horizontal_positioning = if menu.y_flipped {
5247 menu.bounds.bottom() - overall_height
5248 } else {
5249 menu.bounds.top()
5250 };
5251 let possible_origins = vec![
5252 // left of context menu
5253 point(
5254 menu.bounds.left() - total_width - HOVER_POPOVER_GAP,
5255 y_for_horizontal_positioning,
5256 ),
5257 // right of context menu
5258 point(
5259 menu.bounds.right() + HOVER_POPOVER_GAP,
5260 y_for_horizontal_positioning,
5261 ),
5262 // top of context menu
5263 point(
5264 menu.bounds.left(),
5265 menu.bounds.top() - overall_height - HOVER_POPOVER_GAP,
5266 ),
5267 // bottom of context menu
5268 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5269 ];
5270 possible_origins.into_iter().find(|&origin| {
5271 Bounds::new(origin, size(total_width, overall_height))
5272 .is_contained_within(hitbox)
5273 })
5274 });
5275 if let Some(origin) = origin_surrounding_menu {
5276 let mut current_y = origin.y;
5277 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5278 let size = popover.size;
5279 let popover_origin = point(origin.x, current_y);
5280
5281 window.defer_draw(popover.element, popover_origin, 2);
5282 if position != itertools::Position::Last {
5283 let origin = point(popover_origin.x, popover_origin.y + size.height);
5284 draw_occluder(size.width, origin, window, cx);
5285 }
5286
5287 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5288 }
5289 } else {
5290 // fallback to existing above/below cursor logic
5291 // this might overlap menu or overflow in rare case
5292 if can_place_above {
5293 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5294 } else {
5295 place_popovers_below(
5296 hovered_point,
5297 measured_hover_popovers,
5298 line_height,
5299 window,
5300 cx,
5301 );
5302 }
5303 }
5304 }
5305 }
5306
5307 fn layout_diff_hunk_controls(
5308 &self,
5309 row_range: Range<DisplayRow>,
5310 row_infos: &[RowInfo],
5311 text_hitbox: &Hitbox,
5312 newest_cursor_position: Option<DisplayPoint>,
5313 line_height: Pixels,
5314 right_margin: Pixels,
5315 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5316 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
5317 highlighted_rows: &BTreeMap<DisplayRow, LineHighlight>,
5318 editor: Entity<Editor>,
5319 window: &mut Window,
5320 cx: &mut App,
5321 ) -> (Vec<AnyElement>, Vec<(DisplayRow, Bounds<Pixels>)>) {
5322 let render_diff_hunk_controls = editor.read(cx).render_diff_hunk_controls.clone();
5323 let hovered_diff_hunk_row = editor.read(cx).hovered_diff_hunk_row;
5324
5325 let mut controls = vec![];
5326 let mut control_bounds = vec![];
5327
5328 let active_positions = [
5329 hovered_diff_hunk_row.map(|row| DisplayPoint::new(row, 0)),
5330 newest_cursor_position,
5331 ];
5332
5333 for (hunk, _) in display_hunks {
5334 if let DisplayDiffHunk::Unfolded {
5335 display_row_range,
5336 multi_buffer_range,
5337 status,
5338 is_created_file,
5339 ..
5340 } = &hunk
5341 {
5342 if display_row_range.start < row_range.start
5343 || display_row_range.start >= row_range.end
5344 {
5345 continue;
5346 }
5347 if highlighted_rows
5348 .get(&display_row_range.start)
5349 .and_then(|highlight| highlight.type_id)
5350 .is_some_and(|type_id| {
5351 [
5352 TypeId::of::<ConflictsOuter>(),
5353 TypeId::of::<ConflictsOursMarker>(),
5354 TypeId::of::<ConflictsOurs>(),
5355 TypeId::of::<ConflictsTheirs>(),
5356 TypeId::of::<ConflictsTheirsMarker>(),
5357 ]
5358 .contains(&type_id)
5359 })
5360 {
5361 continue;
5362 }
5363 let row_ix = (display_row_range.start - row_range.start).0 as usize;
5364 if row_infos[row_ix].diff_status.is_none() {
5365 continue;
5366 }
5367 if row_infos[row_ix]
5368 .diff_status
5369 .is_some_and(|status| status.is_added())
5370 && !status.is_added()
5371 {
5372 continue;
5373 }
5374
5375 if active_positions
5376 .iter()
5377 .any(|p| p.is_some_and(|p| display_row_range.contains(&p.row())))
5378 {
5379 let y = (display_row_range.start.as_f64()
5380 * ScrollPixelOffset::from(line_height)
5381 + ScrollPixelOffset::from(text_hitbox.bounds.top())
5382 - scroll_pixel_position.y)
5383 .into();
5384
5385 let mut element = render_diff_hunk_controls(
5386 display_row_range.start.0,
5387 status,
5388 multi_buffer_range.clone(),
5389 *is_created_file,
5390 line_height,
5391 &editor,
5392 window,
5393 cx,
5394 );
5395 let size =
5396 element.layout_as_root(size(px(100.0), line_height).into(), window, cx);
5397
5398 let x = text_hitbox.bounds.right() - right_margin - px(10.) - size.width;
5399
5400 let bounds = Bounds::new(gpui::Point::new(x, y), size);
5401 control_bounds.push((display_row_range.start, bounds));
5402
5403 window.with_absolute_element_offset(gpui::Point::new(x, y), |window| {
5404 element.prepaint(window, cx)
5405 });
5406 controls.push(element);
5407 }
5408 }
5409 }
5410
5411 (controls, control_bounds)
5412 }
5413
5414 fn layout_signature_help(
5415 &self,
5416 hitbox: &Hitbox,
5417 content_origin: gpui::Point<Pixels>,
5418 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5419 newest_selection_head: Option<DisplayPoint>,
5420 start_row: DisplayRow,
5421 line_layouts: &[LineWithInvisibles],
5422 line_height: Pixels,
5423 em_width: Pixels,
5424 context_menu_layout: Option<ContextMenuLayout>,
5425 window: &mut Window,
5426 cx: &mut App,
5427 ) {
5428 if !self.editor.focus_handle(cx).is_focused(window) {
5429 return;
5430 }
5431 let Some(newest_selection_head) = newest_selection_head else {
5432 return;
5433 };
5434
5435 let max_size = size(
5436 (120. * em_width) // Default size
5437 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5438 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5439 (16. * line_height) // Default size
5440 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5441 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5442 );
5443
5444 let maybe_element = self.editor.update(cx, |editor, cx| {
5445 if let Some(popover) = editor.signature_help_state.popover_mut() {
5446 let element = popover.render(max_size, window, cx);
5447 Some(element)
5448 } else {
5449 None
5450 }
5451 });
5452 let Some(mut element) = maybe_element else {
5453 return;
5454 };
5455
5456 let selection_row = newest_selection_head.row();
5457 let Some(cursor_row_layout) = (selection_row >= start_row)
5458 .then(|| line_layouts.get(selection_row.minus(start_row) as usize))
5459 .flatten()
5460 else {
5461 return;
5462 };
5463
5464 let target_x = cursor_row_layout.x_for_index(newest_selection_head.column() as usize)
5465 - Pixels::from(scroll_pixel_position.x);
5466 let target_y = Pixels::from(
5467 selection_row.as_f64() * ScrollPixelOffset::from(line_height) - scroll_pixel_position.y,
5468 );
5469 let target_point = content_origin + point(target_x, target_y);
5470
5471 let actual_size = element.layout_as_root(Size::<AvailableSpace>::default(), window, cx);
5472
5473 let (popover_bounds_above, popover_bounds_below) = {
5474 let horizontal_offset = (hitbox.top_right().x
5475 - POPOVER_RIGHT_OFFSET
5476 - (target_point.x + actual_size.width))
5477 .min(Pixels::ZERO);
5478 let initial_x = target_point.x + horizontal_offset;
5479 (
5480 Bounds::new(
5481 point(initial_x, target_point.y - actual_size.height),
5482 actual_size,
5483 ),
5484 Bounds::new(
5485 point(initial_x, target_point.y + line_height + HOVER_POPOVER_GAP),
5486 actual_size,
5487 ),
5488 )
5489 };
5490
5491 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5492 context_menu_layout
5493 .as_ref()
5494 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5495 };
5496
5497 let final_origin = if popover_bounds_above.is_contained_within(hitbox)
5498 && !intersects_menu(popover_bounds_above)
5499 {
5500 // try placing above cursor
5501 popover_bounds_above.origin
5502 } else if popover_bounds_below.is_contained_within(hitbox)
5503 && !intersects_menu(popover_bounds_below)
5504 {
5505 // try placing below cursor
5506 popover_bounds_below.origin
5507 } else {
5508 // try surrounding context menu if exists
5509 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5510 let y_for_horizontal_positioning = if menu.y_flipped {
5511 menu.bounds.bottom() - actual_size.height
5512 } else {
5513 menu.bounds.top()
5514 };
5515 let possible_origins = vec![
5516 // left of context menu
5517 point(
5518 menu.bounds.left() - actual_size.width - HOVER_POPOVER_GAP,
5519 y_for_horizontal_positioning,
5520 ),
5521 // right of context menu
5522 point(
5523 menu.bounds.right() + HOVER_POPOVER_GAP,
5524 y_for_horizontal_positioning,
5525 ),
5526 // top of context menu
5527 point(
5528 menu.bounds.left(),
5529 menu.bounds.top() - actual_size.height - HOVER_POPOVER_GAP,
5530 ),
5531 // bottom of context menu
5532 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5533 ];
5534 possible_origins
5535 .into_iter()
5536 .find(|&origin| Bounds::new(origin, actual_size).is_contained_within(hitbox))
5537 });
5538 origin_surrounding_menu.unwrap_or_else(|| {
5539 // fallback to existing above/below cursor logic
5540 // this might overlap menu or overflow in rare case
5541 if popover_bounds_above.is_contained_within(hitbox) {
5542 popover_bounds_above.origin
5543 } else {
5544 popover_bounds_below.origin
5545 }
5546 })
5547 };
5548
5549 window.defer_draw(element, final_origin, 2);
5550 }
5551
5552 fn paint_background(&self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
5553 window.paint_layer(layout.hitbox.bounds, |window| {
5554 let scroll_top = layout.position_map.snapshot.scroll_position().y;
5555 let gutter_bg = cx.theme().colors().editor_gutter_background;
5556 window.paint_quad(fill(layout.gutter_hitbox.bounds, gutter_bg));
5557 window.paint_quad(fill(
5558 layout.position_map.text_hitbox.bounds,
5559 self.style.background,
5560 ));
5561
5562 if matches!(
5563 layout.mode,
5564 EditorMode::Full { .. } | EditorMode::Minimap { .. }
5565 ) {
5566 let show_active_line_background = match layout.mode {
5567 EditorMode::Full {
5568 show_active_line_background,
5569 ..
5570 } => show_active_line_background,
5571 EditorMode::Minimap { .. } => true,
5572 _ => false,
5573 };
5574 let mut active_rows = layout.active_rows.iter().peekable();
5575 while let Some((start_row, contains_non_empty_selection)) = active_rows.next() {
5576 let mut end_row = start_row.0;
5577 while active_rows
5578 .peek()
5579 .is_some_and(|(active_row, has_selection)| {
5580 active_row.0 == end_row + 1
5581 && has_selection.selection == contains_non_empty_selection.selection
5582 })
5583 {
5584 active_rows.next().unwrap();
5585 end_row += 1;
5586 }
5587
5588 if show_active_line_background && !contains_non_empty_selection.selection {
5589 let highlight_h_range =
5590 match layout.position_map.snapshot.current_line_highlight {
5591 CurrentLineHighlight::Gutter => Some(Range {
5592 start: layout.hitbox.left(),
5593 end: layout.gutter_hitbox.right(),
5594 }),
5595 CurrentLineHighlight::Line => Some(Range {
5596 start: layout.position_map.text_hitbox.bounds.left(),
5597 end: layout.position_map.text_hitbox.bounds.right(),
5598 }),
5599 CurrentLineHighlight::All => Some(Range {
5600 start: layout.hitbox.left(),
5601 end: layout.hitbox.right(),
5602 }),
5603 CurrentLineHighlight::None => None,
5604 };
5605 if let Some(range) = highlight_h_range {
5606 let active_line_bg = cx.theme().colors().editor_active_line_background;
5607 let bounds = Bounds {
5608 origin: point(
5609 range.start,
5610 layout.hitbox.origin.y
5611 + Pixels::from(
5612 (start_row.as_f64() - scroll_top)
5613 * ScrollPixelOffset::from(
5614 layout.position_map.line_height,
5615 ),
5616 ),
5617 ),
5618 size: size(
5619 range.end - range.start,
5620 layout.position_map.line_height
5621 * (end_row - start_row.0 + 1) as f32,
5622 ),
5623 };
5624 window.paint_quad(fill(bounds, active_line_bg));
5625 }
5626 }
5627 }
5628
5629 let mut paint_highlight = |highlight_row_start: DisplayRow,
5630 highlight_row_end: DisplayRow,
5631 highlight: crate::LineHighlight,
5632 edges| {
5633 let mut origin_x = layout.hitbox.left();
5634 let mut width = layout.hitbox.size.width;
5635 if !highlight.include_gutter {
5636 origin_x += layout.gutter_hitbox.size.width;
5637 width -= layout.gutter_hitbox.size.width;
5638 }
5639
5640 let origin = point(
5641 origin_x,
5642 layout.hitbox.origin.y
5643 + Pixels::from(
5644 (highlight_row_start.as_f64() - scroll_top)
5645 * ScrollPixelOffset::from(layout.position_map.line_height),
5646 ),
5647 );
5648 let size = size(
5649 width,
5650 layout.position_map.line_height
5651 * highlight_row_end.next_row().minus(highlight_row_start) as f32,
5652 );
5653 let mut quad = fill(Bounds { origin, size }, highlight.background);
5654 if let Some(border_color) = highlight.border {
5655 quad.border_color = border_color;
5656 quad.border_widths = edges
5657 }
5658 window.paint_quad(quad);
5659 };
5660
5661 let mut current_paint: Option<(LineHighlight, Range<DisplayRow>, Edges<Pixels>)> =
5662 None;
5663 for (&new_row, &new_background) in &layout.highlighted_rows {
5664 match &mut current_paint {
5665 &mut Some((current_background, ref mut current_range, mut edges)) => {
5666 let new_range_started = current_background != new_background
5667 || current_range.end.next_row() != new_row;
5668 if new_range_started {
5669 if current_range.end.next_row() == new_row {
5670 edges.bottom = px(0.);
5671 };
5672 paint_highlight(
5673 current_range.start,
5674 current_range.end,
5675 current_background,
5676 edges,
5677 );
5678 let edges = Edges {
5679 top: if current_range.end.next_row() != new_row {
5680 px(1.)
5681 } else {
5682 px(0.)
5683 },
5684 bottom: px(1.),
5685 ..Default::default()
5686 };
5687 current_paint = Some((new_background, new_row..new_row, edges));
5688 continue;
5689 } else {
5690 current_range.end = current_range.end.next_row();
5691 }
5692 }
5693 None => {
5694 let edges = Edges {
5695 top: px(1.),
5696 bottom: px(1.),
5697 ..Default::default()
5698 };
5699 current_paint = Some((new_background, new_row..new_row, edges))
5700 }
5701 };
5702 }
5703 if let Some((color, range, edges)) = current_paint {
5704 paint_highlight(range.start, range.end, color, edges);
5705 }
5706
5707 for (guide_x, active) in layout.wrap_guides.iter() {
5708 let color = if *active {
5709 cx.theme().colors().editor_active_wrap_guide
5710 } else {
5711 cx.theme().colors().editor_wrap_guide
5712 };
5713 window.paint_quad(fill(
5714 Bounds {
5715 origin: point(*guide_x, layout.position_map.text_hitbox.origin.y),
5716 size: size(px(1.), layout.position_map.text_hitbox.size.height),
5717 },
5718 color,
5719 ));
5720 }
5721 }
5722 })
5723 }
5724
5725 fn paint_indent_guides(
5726 &mut self,
5727 layout: &mut EditorLayout,
5728 window: &mut Window,
5729 cx: &mut App,
5730 ) {
5731 let Some(indent_guides) = &layout.indent_guides else {
5732 return;
5733 };
5734
5735 let faded_color = |color: Hsla, alpha: f32| {
5736 let mut faded = color;
5737 faded.a = alpha;
5738 faded
5739 };
5740
5741 for indent_guide in indent_guides {
5742 let indent_accent_colors = cx.theme().accents().color_for_index(indent_guide.depth);
5743 let settings = &indent_guide.settings;
5744
5745 // TODO fixed for now, expose them through themes later
5746 const INDENT_AWARE_ALPHA: f32 = 0.2;
5747 const INDENT_AWARE_ACTIVE_ALPHA: f32 = 0.4;
5748 const INDENT_AWARE_BACKGROUND_ALPHA: f32 = 0.1;
5749 const INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA: f32 = 0.2;
5750
5751 let line_color = match (settings.coloring, indent_guide.active) {
5752 (IndentGuideColoring::Disabled, _) => None,
5753 (IndentGuideColoring::Fixed, false) => {
5754 Some(cx.theme().colors().editor_indent_guide)
5755 }
5756 (IndentGuideColoring::Fixed, true) => {
5757 Some(cx.theme().colors().editor_indent_guide_active)
5758 }
5759 (IndentGuideColoring::IndentAware, false) => {
5760 Some(faded_color(indent_accent_colors, INDENT_AWARE_ALPHA))
5761 }
5762 (IndentGuideColoring::IndentAware, true) => {
5763 Some(faded_color(indent_accent_colors, INDENT_AWARE_ACTIVE_ALPHA))
5764 }
5765 };
5766
5767 let background_color = match (settings.background_coloring, indent_guide.active) {
5768 (IndentGuideBackgroundColoring::Disabled, _) => None,
5769 (IndentGuideBackgroundColoring::IndentAware, false) => Some(faded_color(
5770 indent_accent_colors,
5771 INDENT_AWARE_BACKGROUND_ALPHA,
5772 )),
5773 (IndentGuideBackgroundColoring::IndentAware, true) => Some(faded_color(
5774 indent_accent_colors,
5775 INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA,
5776 )),
5777 };
5778
5779 let requested_line_width = if indent_guide.active {
5780 settings.active_line_width
5781 } else {
5782 settings.line_width
5783 }
5784 .clamp(1, 10);
5785 let mut line_indicator_width = 0.;
5786 if let Some(color) = line_color {
5787 window.paint_quad(fill(
5788 Bounds {
5789 origin: indent_guide.origin,
5790 size: size(px(requested_line_width as f32), indent_guide.length),
5791 },
5792 color,
5793 ));
5794 line_indicator_width = requested_line_width as f32;
5795 }
5796
5797 if let Some(color) = background_color {
5798 let width = indent_guide.single_indent_width - px(line_indicator_width);
5799 window.paint_quad(fill(
5800 Bounds {
5801 origin: point(
5802 indent_guide.origin.x + px(line_indicator_width),
5803 indent_guide.origin.y,
5804 ),
5805 size: size(width, indent_guide.length),
5806 },
5807 color,
5808 ));
5809 }
5810 }
5811 }
5812
5813 fn paint_line_numbers(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5814 let is_singleton = self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
5815
5816 let line_height = layout.position_map.line_height;
5817 window.set_cursor_style(CursorStyle::Arrow, &layout.gutter_hitbox);
5818
5819 for LineNumberLayout {
5820 shaped_line,
5821 hitbox,
5822 } in layout.line_numbers.values()
5823 {
5824 let Some(hitbox) = hitbox else {
5825 continue;
5826 };
5827
5828 let Some(()) = (if !is_singleton && hitbox.is_hovered(window) {
5829 let color = cx.theme().colors().editor_hover_line_number;
5830
5831 let line = self.shape_line_number(shaped_line.text.clone(), color, window);
5832 line.paint(hitbox.origin, line_height, window, cx).log_err()
5833 } else {
5834 shaped_line
5835 .paint(hitbox.origin, line_height, window, cx)
5836 .log_err()
5837 }) else {
5838 continue;
5839 };
5840
5841 // In singleton buffers, we select corresponding lines on the line number click, so use | -like cursor.
5842 // In multi buffers, we open file at the line number clicked, so use a pointing hand cursor.
5843 if is_singleton {
5844 window.set_cursor_style(CursorStyle::IBeam, hitbox);
5845 } else {
5846 window.set_cursor_style(CursorStyle::PointingHand, hitbox);
5847 }
5848 }
5849 }
5850
5851 fn paint_gutter_diff_hunks(layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5852 if layout.display_hunks.is_empty() {
5853 return;
5854 }
5855
5856 let line_height = layout.position_map.line_height;
5857 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5858 for (hunk, hitbox) in &layout.display_hunks {
5859 let hunk_to_paint = match hunk {
5860 DisplayDiffHunk::Folded { .. } => {
5861 let hunk_bounds = Self::diff_hunk_bounds(
5862 &layout.position_map.snapshot,
5863 line_height,
5864 layout.gutter_hitbox.bounds,
5865 hunk,
5866 );
5867 Some((
5868 hunk_bounds,
5869 cx.theme().colors().version_control_modified,
5870 Corners::all(px(0.)),
5871 DiffHunkStatus::modified_none(),
5872 ))
5873 }
5874 DisplayDiffHunk::Unfolded {
5875 status,
5876 display_row_range,
5877 ..
5878 } => hitbox.as_ref().map(|hunk_hitbox| match status.kind {
5879 DiffHunkStatusKind::Added => (
5880 hunk_hitbox.bounds,
5881 cx.theme().colors().version_control_added,
5882 Corners::all(px(0.)),
5883 *status,
5884 ),
5885 DiffHunkStatusKind::Modified => (
5886 hunk_hitbox.bounds,
5887 cx.theme().colors().version_control_modified,
5888 Corners::all(px(0.)),
5889 *status,
5890 ),
5891 DiffHunkStatusKind::Deleted if !display_row_range.is_empty() => (
5892 hunk_hitbox.bounds,
5893 cx.theme().colors().version_control_deleted,
5894 Corners::all(px(0.)),
5895 *status,
5896 ),
5897 DiffHunkStatusKind::Deleted => (
5898 Bounds::new(
5899 point(
5900 hunk_hitbox.origin.x - hunk_hitbox.size.width,
5901 hunk_hitbox.origin.y,
5902 ),
5903 size(hunk_hitbox.size.width * 2., hunk_hitbox.size.height),
5904 ),
5905 cx.theme().colors().version_control_deleted,
5906 Corners::all(1. * line_height),
5907 *status,
5908 ),
5909 }),
5910 };
5911
5912 if let Some((hunk_bounds, background_color, corner_radii, status)) = hunk_to_paint {
5913 // Flatten the background color with the editor color to prevent
5914 // elements below transparent hunks from showing through
5915 let flattened_background_color = cx
5916 .theme()
5917 .colors()
5918 .editor_background
5919 .blend(background_color);
5920
5921 if !Self::diff_hunk_hollow(status, cx) {
5922 window.paint_quad(quad(
5923 hunk_bounds,
5924 corner_radii,
5925 flattened_background_color,
5926 Edges::default(),
5927 transparent_black(),
5928 BorderStyle::default(),
5929 ));
5930 } else {
5931 let flattened_unstaged_background_color = cx
5932 .theme()
5933 .colors()
5934 .editor_background
5935 .blend(background_color.opacity(0.3));
5936
5937 window.paint_quad(quad(
5938 hunk_bounds,
5939 corner_radii,
5940 flattened_unstaged_background_color,
5941 Edges::all(px(1.0)),
5942 flattened_background_color,
5943 BorderStyle::Solid,
5944 ));
5945 }
5946 }
5947 }
5948 });
5949 }
5950
5951 fn gutter_strip_width(line_height: Pixels) -> Pixels {
5952 (0.275 * line_height).floor()
5953 }
5954
5955 fn diff_hunk_bounds(
5956 snapshot: &EditorSnapshot,
5957 line_height: Pixels,
5958 gutter_bounds: Bounds<Pixels>,
5959 hunk: &DisplayDiffHunk,
5960 ) -> Bounds<Pixels> {
5961 let scroll_position = snapshot.scroll_position();
5962 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
5963 let gutter_strip_width = Self::gutter_strip_width(line_height);
5964
5965 match hunk {
5966 DisplayDiffHunk::Folded { display_row, .. } => {
5967 let start_y = (display_row.as_f64() * ScrollPixelOffset::from(line_height)
5968 - scroll_top)
5969 .into();
5970 let end_y = start_y + line_height;
5971 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
5972 let highlight_size = size(gutter_strip_width, end_y - start_y);
5973 Bounds::new(highlight_origin, highlight_size)
5974 }
5975 DisplayDiffHunk::Unfolded {
5976 display_row_range,
5977 status,
5978 ..
5979 } => {
5980 if status.is_deleted() && display_row_range.is_empty() {
5981 let row = display_row_range.start;
5982
5983 let offset = ScrollPixelOffset::from(line_height / 2.);
5984 let start_y =
5985 (row.as_f64() * ScrollPixelOffset::from(line_height) - offset - scroll_top)
5986 .into();
5987 let end_y = start_y + line_height;
5988
5989 let width = (0.35 * line_height).floor();
5990 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
5991 let highlight_size = size(width, end_y - start_y);
5992 Bounds::new(highlight_origin, highlight_size)
5993 } else {
5994 let start_row = display_row_range.start;
5995 let end_row = display_row_range.end;
5996 // If we're in a multibuffer, row range span might include an
5997 // excerpt header, so if we were to draw the marker straight away,
5998 // the hunk might include the rows of that header.
5999 // Making the range inclusive doesn't quite cut it, as we rely on the exclusivity for the soft wrap.
6000 // Instead, we simply check whether the range we're dealing with includes
6001 // any excerpt headers and if so, we stop painting the diff hunk on the first row of that header.
6002 let end_row_in_current_excerpt = snapshot
6003 .blocks_in_range(start_row..end_row)
6004 .find_map(|(start_row, block)| {
6005 if matches!(
6006 block,
6007 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
6008 ) {
6009 Some(start_row)
6010 } else {
6011 None
6012 }
6013 })
6014 .unwrap_or(end_row);
6015
6016 let start_y = (start_row.as_f64() * ScrollPixelOffset::from(line_height)
6017 - scroll_top)
6018 .into();
6019 let end_y = Pixels::from(
6020 end_row_in_current_excerpt.as_f64() * ScrollPixelOffset::from(line_height)
6021 - scroll_top,
6022 );
6023
6024 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6025 let highlight_size = size(gutter_strip_width, end_y - start_y);
6026 Bounds::new(highlight_origin, highlight_size)
6027 }
6028 }
6029 }
6030 }
6031
6032 fn paint_gutter_indicators(
6033 &self,
6034 layout: &mut EditorLayout,
6035 window: &mut Window,
6036 cx: &mut App,
6037 ) {
6038 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6039 window.with_element_namespace("crease_toggles", |window| {
6040 for crease_toggle in layout.crease_toggles.iter_mut().flatten() {
6041 crease_toggle.paint(window, cx);
6042 }
6043 });
6044
6045 window.with_element_namespace("expand_toggles", |window| {
6046 for (expand_toggle, _) in layout.expand_toggles.iter_mut().flatten() {
6047 expand_toggle.paint(window, cx);
6048 }
6049 });
6050
6051 for breakpoint in layout.breakpoints.iter_mut() {
6052 breakpoint.paint(window, cx);
6053 }
6054
6055 for test_indicator in layout.test_indicators.iter_mut() {
6056 test_indicator.paint(window, cx);
6057 }
6058 });
6059 }
6060
6061 fn paint_gutter_highlights(
6062 &self,
6063 layout: &mut EditorLayout,
6064 window: &mut Window,
6065 cx: &mut App,
6066 ) {
6067 for (_, hunk_hitbox) in &layout.display_hunks {
6068 if let Some(hunk_hitbox) = hunk_hitbox
6069 && !self
6070 .editor
6071 .read(cx)
6072 .buffer()
6073 .read(cx)
6074 .all_diff_hunks_expanded()
6075 {
6076 window.set_cursor_style(CursorStyle::PointingHand, hunk_hitbox);
6077 }
6078 }
6079
6080 let show_git_gutter = layout
6081 .position_map
6082 .snapshot
6083 .show_git_diff_gutter
6084 .unwrap_or_else(|| {
6085 matches!(
6086 ProjectSettings::get_global(cx).git.git_gutter,
6087 GitGutterSetting::TrackedFiles
6088 )
6089 });
6090 if show_git_gutter {
6091 Self::paint_gutter_diff_hunks(layout, window, cx)
6092 }
6093
6094 let highlight_width = 0.275 * layout.position_map.line_height;
6095 let highlight_corner_radii = Corners::all(0.05 * layout.position_map.line_height);
6096 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6097 for (range, color) in &layout.highlighted_gutter_ranges {
6098 let start_row = if range.start.row() < layout.visible_display_row_range.start {
6099 layout.visible_display_row_range.start - DisplayRow(1)
6100 } else {
6101 range.start.row()
6102 };
6103 let end_row = if range.end.row() > layout.visible_display_row_range.end {
6104 layout.visible_display_row_range.end + DisplayRow(1)
6105 } else {
6106 range.end.row()
6107 };
6108
6109 let start_y = layout.gutter_hitbox.top()
6110 + Pixels::from(
6111 start_row.0 as f64
6112 * ScrollPixelOffset::from(layout.position_map.line_height)
6113 - layout.position_map.scroll_pixel_position.y,
6114 );
6115 let end_y = layout.gutter_hitbox.top()
6116 + Pixels::from(
6117 (end_row.0 + 1) as f64
6118 * ScrollPixelOffset::from(layout.position_map.line_height)
6119 - layout.position_map.scroll_pixel_position.y,
6120 );
6121 let bounds = Bounds::from_corners(
6122 point(layout.gutter_hitbox.left(), start_y),
6123 point(layout.gutter_hitbox.left() + highlight_width, end_y),
6124 );
6125 window.paint_quad(fill(bounds, *color).corner_radii(highlight_corner_radii));
6126 }
6127 });
6128 }
6129
6130 fn paint_blamed_display_rows(
6131 &self,
6132 layout: &mut EditorLayout,
6133 window: &mut Window,
6134 cx: &mut App,
6135 ) {
6136 let Some(blamed_display_rows) = layout.blamed_display_rows.take() else {
6137 return;
6138 };
6139
6140 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6141 for mut blame_element in blamed_display_rows.into_iter() {
6142 blame_element.paint(window, cx);
6143 }
6144 })
6145 }
6146
6147 fn paint_text(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6148 window.with_content_mask(
6149 Some(ContentMask {
6150 bounds: layout.position_map.text_hitbox.bounds,
6151 }),
6152 |window| {
6153 let editor = self.editor.read(cx);
6154 if editor.mouse_cursor_hidden {
6155 window.set_window_cursor_style(CursorStyle::None);
6156 } else if let SelectionDragState::ReadyToDrag {
6157 mouse_down_time, ..
6158 } = &editor.selection_drag_state
6159 {
6160 let drag_and_drop_delay = Duration::from_millis(
6161 EditorSettings::get_global(cx).drag_and_drop_selection.delay,
6162 );
6163 if mouse_down_time.elapsed() >= drag_and_drop_delay {
6164 window.set_cursor_style(
6165 CursorStyle::DragCopy,
6166 &layout.position_map.text_hitbox,
6167 );
6168 }
6169 } else if matches!(
6170 editor.selection_drag_state,
6171 SelectionDragState::Dragging { .. }
6172 ) {
6173 window
6174 .set_cursor_style(CursorStyle::DragCopy, &layout.position_map.text_hitbox);
6175 } else if editor
6176 .hovered_link_state
6177 .as_ref()
6178 .is_some_and(|hovered_link_state| !hovered_link_state.links.is_empty())
6179 {
6180 window.set_cursor_style(
6181 CursorStyle::PointingHand,
6182 &layout.position_map.text_hitbox,
6183 );
6184 } else {
6185 window.set_cursor_style(CursorStyle::IBeam, &layout.position_map.text_hitbox);
6186 };
6187
6188 self.paint_lines_background(layout, window, cx);
6189 let invisible_display_ranges = self.paint_highlights(layout, window, cx);
6190 self.paint_document_colors(layout, window);
6191 self.paint_lines(&invisible_display_ranges, layout, window, cx);
6192 self.paint_redactions(layout, window);
6193 self.paint_cursors(layout, window, cx);
6194 self.paint_inline_diagnostics(layout, window, cx);
6195 self.paint_inline_blame(layout, window, cx);
6196 self.paint_inline_code_actions(layout, window, cx);
6197 self.paint_diff_hunk_controls(layout, window, cx);
6198 window.with_element_namespace("crease_trailers", |window| {
6199 for trailer in layout.crease_trailers.iter_mut().flatten() {
6200 trailer.element.paint(window, cx);
6201 }
6202 });
6203 },
6204 )
6205 }
6206
6207 fn paint_highlights(
6208 &mut self,
6209 layout: &mut EditorLayout,
6210 window: &mut Window,
6211 cx: &mut App,
6212 ) -> SmallVec<[Range<DisplayPoint>; 32]> {
6213 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6214 let mut invisible_display_ranges = SmallVec::<[Range<DisplayPoint>; 32]>::new();
6215 let line_end_overshoot = 0.15 * layout.position_map.line_height;
6216 for (range, color) in &layout.highlighted_ranges {
6217 self.paint_highlighted_range(
6218 range.clone(),
6219 true,
6220 *color,
6221 Pixels::ZERO,
6222 line_end_overshoot,
6223 layout,
6224 window,
6225 );
6226 }
6227
6228 let corner_radius = if EditorSettings::get_global(cx).rounded_selection {
6229 0.15 * layout.position_map.line_height
6230 } else {
6231 Pixels::ZERO
6232 };
6233
6234 for (player_color, selections) in &layout.selections {
6235 for selection in selections.iter() {
6236 self.paint_highlighted_range(
6237 selection.range.clone(),
6238 true,
6239 player_color.selection,
6240 corner_radius,
6241 corner_radius * 2.,
6242 layout,
6243 window,
6244 );
6245
6246 if selection.is_local && !selection.range.is_empty() {
6247 invisible_display_ranges.push(selection.range.clone());
6248 }
6249 }
6250 }
6251 invisible_display_ranges
6252 })
6253 }
6254
6255 fn paint_lines(
6256 &mut self,
6257 invisible_display_ranges: &[Range<DisplayPoint>],
6258 layout: &mut EditorLayout,
6259 window: &mut Window,
6260 cx: &mut App,
6261 ) {
6262 let whitespace_setting = self
6263 .editor
6264 .read(cx)
6265 .buffer
6266 .read(cx)
6267 .language_settings(cx)
6268 .show_whitespaces;
6269
6270 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6271 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6272 line_with_invisibles.draw(
6273 layout,
6274 row,
6275 layout.content_origin,
6276 whitespace_setting,
6277 invisible_display_ranges,
6278 window,
6279 cx,
6280 )
6281 }
6282
6283 for line_element in &mut layout.line_elements {
6284 line_element.paint(window, cx);
6285 }
6286 }
6287
6288 fn paint_lines_background(
6289 &mut self,
6290 layout: &mut EditorLayout,
6291 window: &mut Window,
6292 cx: &mut App,
6293 ) {
6294 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6295 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6296 line_with_invisibles.draw_background(layout, row, layout.content_origin, window, cx);
6297 }
6298 }
6299
6300 fn paint_redactions(&mut self, layout: &EditorLayout, window: &mut Window) {
6301 if layout.redacted_ranges.is_empty() {
6302 return;
6303 }
6304
6305 let line_end_overshoot = layout.line_end_overshoot();
6306
6307 // A softer than perfect black
6308 let redaction_color = gpui::rgb(0x0e1111);
6309
6310 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6311 for range in layout.redacted_ranges.iter() {
6312 self.paint_highlighted_range(
6313 range.clone(),
6314 true,
6315 redaction_color.into(),
6316 Pixels::ZERO,
6317 line_end_overshoot,
6318 layout,
6319 window,
6320 );
6321 }
6322 });
6323 }
6324
6325 fn paint_document_colors(&self, layout: &mut EditorLayout, window: &mut Window) {
6326 let Some((colors_render_mode, image_colors)) = &layout.document_colors else {
6327 return;
6328 };
6329 if image_colors.is_empty()
6330 || colors_render_mode == &DocumentColorsRenderMode::None
6331 || colors_render_mode == &DocumentColorsRenderMode::Inlay
6332 {
6333 return;
6334 }
6335
6336 let line_end_overshoot = layout.line_end_overshoot();
6337
6338 for (range, color) in image_colors {
6339 match colors_render_mode {
6340 DocumentColorsRenderMode::Inlay | DocumentColorsRenderMode::None => return,
6341 DocumentColorsRenderMode::Background => {
6342 self.paint_highlighted_range(
6343 range.clone(),
6344 true,
6345 *color,
6346 Pixels::ZERO,
6347 line_end_overshoot,
6348 layout,
6349 window,
6350 );
6351 }
6352 DocumentColorsRenderMode::Border => {
6353 self.paint_highlighted_range(
6354 range.clone(),
6355 false,
6356 *color,
6357 Pixels::ZERO,
6358 line_end_overshoot,
6359 layout,
6360 window,
6361 );
6362 }
6363 }
6364 }
6365 }
6366
6367 fn paint_cursors(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6368 for cursor in &mut layout.visible_cursors {
6369 cursor.paint(layout.content_origin, window, cx);
6370 }
6371 }
6372
6373 fn paint_scrollbars(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6374 let Some(scrollbars_layout) = layout.scrollbars_layout.take() else {
6375 return;
6376 };
6377 let any_scrollbar_dragged = self.editor.read(cx).scroll_manager.any_scrollbar_dragged();
6378
6379 for (scrollbar_layout, axis) in scrollbars_layout.iter_scrollbars() {
6380 let hitbox = &scrollbar_layout.hitbox;
6381 if scrollbars_layout.visible {
6382 let scrollbar_edges = match axis {
6383 ScrollbarAxis::Horizontal => Edges {
6384 top: Pixels::ZERO,
6385 right: Pixels::ZERO,
6386 bottom: Pixels::ZERO,
6387 left: Pixels::ZERO,
6388 },
6389 ScrollbarAxis::Vertical => Edges {
6390 top: Pixels::ZERO,
6391 right: Pixels::ZERO,
6392 bottom: Pixels::ZERO,
6393 left: ScrollbarLayout::BORDER_WIDTH,
6394 },
6395 };
6396
6397 window.paint_layer(hitbox.bounds, |window| {
6398 window.paint_quad(quad(
6399 hitbox.bounds,
6400 Corners::default(),
6401 cx.theme().colors().scrollbar_track_background,
6402 scrollbar_edges,
6403 cx.theme().colors().scrollbar_track_border,
6404 BorderStyle::Solid,
6405 ));
6406
6407 if axis == ScrollbarAxis::Vertical {
6408 let fast_markers =
6409 self.collect_fast_scrollbar_markers(layout, scrollbar_layout, cx);
6410 // Refresh slow scrollbar markers in the background. Below, we
6411 // paint whatever markers have already been computed.
6412 self.refresh_slow_scrollbar_markers(layout, scrollbar_layout, window, cx);
6413
6414 let markers = self.editor.read(cx).scrollbar_marker_state.markers.clone();
6415 for marker in markers.iter().chain(&fast_markers) {
6416 let mut marker = marker.clone();
6417 marker.bounds.origin += hitbox.origin;
6418 window.paint_quad(marker);
6419 }
6420 }
6421
6422 if let Some(thumb_bounds) = scrollbar_layout.thumb_bounds {
6423 let scrollbar_thumb_color = match scrollbar_layout.thumb_state {
6424 ScrollbarThumbState::Dragging => {
6425 cx.theme().colors().scrollbar_thumb_active_background
6426 }
6427 ScrollbarThumbState::Hovered => {
6428 cx.theme().colors().scrollbar_thumb_hover_background
6429 }
6430 ScrollbarThumbState::Idle => {
6431 cx.theme().colors().scrollbar_thumb_background
6432 }
6433 };
6434 window.paint_quad(quad(
6435 thumb_bounds,
6436 Corners::default(),
6437 scrollbar_thumb_color,
6438 scrollbar_edges,
6439 cx.theme().colors().scrollbar_thumb_border,
6440 BorderStyle::Solid,
6441 ));
6442
6443 if any_scrollbar_dragged {
6444 window.set_window_cursor_style(CursorStyle::Arrow);
6445 } else {
6446 window.set_cursor_style(CursorStyle::Arrow, hitbox);
6447 }
6448 }
6449 })
6450 }
6451 }
6452
6453 window.on_mouse_event({
6454 let editor = self.editor.clone();
6455 let scrollbars_layout = scrollbars_layout.clone();
6456
6457 let mut mouse_position = window.mouse_position();
6458 move |event: &MouseMoveEvent, phase, window, cx| {
6459 if phase == DispatchPhase::Capture {
6460 return;
6461 }
6462
6463 editor.update(cx, |editor, cx| {
6464 if let Some((scrollbar_layout, axis)) = event
6465 .pressed_button
6466 .filter(|button| *button == MouseButton::Left)
6467 .and(editor.scroll_manager.dragging_scrollbar_axis())
6468 .and_then(|axis| {
6469 scrollbars_layout
6470 .iter_scrollbars()
6471 .find(|(_, a)| *a == axis)
6472 })
6473 {
6474 let ScrollbarLayout {
6475 hitbox,
6476 text_unit_size,
6477 ..
6478 } = scrollbar_layout;
6479
6480 let old_position = mouse_position.along(axis);
6481 let new_position = event.position.along(axis);
6482 if (hitbox.origin.along(axis)..hitbox.bottom_right().along(axis))
6483 .contains(&old_position)
6484 {
6485 let position = editor.scroll_position(cx).apply_along(axis, |p| {
6486 (p + ScrollOffset::from(
6487 (new_position - old_position) / *text_unit_size,
6488 ))
6489 .max(0.)
6490 });
6491 editor.set_scroll_position(position, window, cx);
6492 }
6493
6494 editor.scroll_manager.show_scrollbars(window, cx);
6495 cx.stop_propagation();
6496 } else if let Some((layout, axis)) = scrollbars_layout
6497 .get_hovered_axis(window)
6498 .filter(|_| !event.dragging())
6499 {
6500 if layout.thumb_hovered(&event.position) {
6501 editor
6502 .scroll_manager
6503 .set_hovered_scroll_thumb_axis(axis, cx);
6504 } else {
6505 editor.scroll_manager.reset_scrollbar_state(cx);
6506 }
6507
6508 editor.scroll_manager.show_scrollbars(window, cx);
6509 } else {
6510 editor.scroll_manager.reset_scrollbar_state(cx);
6511 }
6512
6513 mouse_position = event.position;
6514 })
6515 }
6516 });
6517
6518 if any_scrollbar_dragged {
6519 window.on_mouse_event({
6520 let editor = self.editor.clone();
6521 move |_: &MouseUpEvent, phase, window, cx| {
6522 if phase == DispatchPhase::Capture {
6523 return;
6524 }
6525
6526 editor.update(cx, |editor, cx| {
6527 if let Some((_, axis)) = scrollbars_layout.get_hovered_axis(window) {
6528 editor
6529 .scroll_manager
6530 .set_hovered_scroll_thumb_axis(axis, cx);
6531 } else {
6532 editor.scroll_manager.reset_scrollbar_state(cx);
6533 }
6534 cx.stop_propagation();
6535 });
6536 }
6537 });
6538 } else {
6539 window.on_mouse_event({
6540 let editor = self.editor.clone();
6541
6542 move |event: &MouseDownEvent, phase, window, cx| {
6543 if phase == DispatchPhase::Capture {
6544 return;
6545 }
6546 let Some((scrollbar_layout, axis)) = scrollbars_layout.get_hovered_axis(window)
6547 else {
6548 return;
6549 };
6550
6551 let ScrollbarLayout {
6552 hitbox,
6553 visible_range,
6554 text_unit_size,
6555 thumb_bounds,
6556 ..
6557 } = scrollbar_layout;
6558
6559 let Some(thumb_bounds) = thumb_bounds else {
6560 return;
6561 };
6562
6563 editor.update(cx, |editor, cx| {
6564 editor
6565 .scroll_manager
6566 .set_dragged_scroll_thumb_axis(axis, cx);
6567
6568 let event_position = event.position.along(axis);
6569
6570 if event_position < thumb_bounds.origin.along(axis)
6571 || thumb_bounds.bottom_right().along(axis) < event_position
6572 {
6573 let center_position = ((event_position - hitbox.origin.along(axis))
6574 / *text_unit_size)
6575 .round() as u32;
6576 let start_position = center_position.saturating_sub(
6577 (visible_range.end - visible_range.start) as u32 / 2,
6578 );
6579
6580 let position = editor
6581 .scroll_position(cx)
6582 .apply_along(axis, |_| start_position as ScrollOffset);
6583
6584 editor.set_scroll_position(position, window, cx);
6585 } else {
6586 editor.scroll_manager.show_scrollbars(window, cx);
6587 }
6588
6589 cx.stop_propagation();
6590 });
6591 }
6592 });
6593 }
6594 }
6595
6596 fn collect_fast_scrollbar_markers(
6597 &self,
6598 layout: &EditorLayout,
6599 scrollbar_layout: &ScrollbarLayout,
6600 cx: &mut App,
6601 ) -> Vec<PaintQuad> {
6602 const LIMIT: usize = 100;
6603 if !EditorSettings::get_global(cx).scrollbar.cursors || layout.cursors.len() > LIMIT {
6604 return vec![];
6605 }
6606 let cursor_ranges = layout
6607 .cursors
6608 .iter()
6609 .map(|(point, color)| ColoredRange {
6610 start: point.row(),
6611 end: point.row(),
6612 color: *color,
6613 })
6614 .collect_vec();
6615 scrollbar_layout.marker_quads_for_ranges(cursor_ranges, None)
6616 }
6617
6618 fn refresh_slow_scrollbar_markers(
6619 &self,
6620 layout: &EditorLayout,
6621 scrollbar_layout: &ScrollbarLayout,
6622 window: &mut Window,
6623 cx: &mut App,
6624 ) {
6625 self.editor.update(cx, |editor, cx| {
6626 if editor.buffer_kind(cx) != ItemBufferKind::Singleton
6627 || !editor
6628 .scrollbar_marker_state
6629 .should_refresh(scrollbar_layout.hitbox.size)
6630 {
6631 return;
6632 }
6633
6634 let scrollbar_layout = scrollbar_layout.clone();
6635 let background_highlights = editor.background_highlights.clone();
6636 let snapshot = layout.position_map.snapshot.clone();
6637 let theme = cx.theme().clone();
6638 let scrollbar_settings = EditorSettings::get_global(cx).scrollbar;
6639
6640 editor.scrollbar_marker_state.dirty = false;
6641 editor.scrollbar_marker_state.pending_refresh =
6642 Some(cx.spawn_in(window, async move |editor, cx| {
6643 let scrollbar_size = scrollbar_layout.hitbox.size;
6644 let scrollbar_markers = cx
6645 .background_spawn(async move {
6646 let max_point = snapshot.display_snapshot.buffer_snapshot().max_point();
6647 let mut marker_quads = Vec::new();
6648 if scrollbar_settings.git_diff {
6649 let marker_row_ranges =
6650 snapshot.buffer_snapshot().diff_hunks().map(|hunk| {
6651 let start_display_row =
6652 MultiBufferPoint::new(hunk.row_range.start.0, 0)
6653 .to_display_point(&snapshot.display_snapshot)
6654 .row();
6655 let mut end_display_row =
6656 MultiBufferPoint::new(hunk.row_range.end.0, 0)
6657 .to_display_point(&snapshot.display_snapshot)
6658 .row();
6659 if end_display_row != start_display_row {
6660 end_display_row.0 -= 1;
6661 }
6662 let color = match &hunk.status().kind {
6663 DiffHunkStatusKind::Added => {
6664 theme.colors().version_control_added
6665 }
6666 DiffHunkStatusKind::Modified => {
6667 theme.colors().version_control_modified
6668 }
6669 DiffHunkStatusKind::Deleted => {
6670 theme.colors().version_control_deleted
6671 }
6672 };
6673 ColoredRange {
6674 start: start_display_row,
6675 end: end_display_row,
6676 color,
6677 }
6678 });
6679
6680 marker_quads.extend(
6681 scrollbar_layout
6682 .marker_quads_for_ranges(marker_row_ranges, Some(0)),
6683 );
6684 }
6685
6686 for (background_highlight_id, (_, background_ranges)) in
6687 background_highlights.iter()
6688 {
6689 let is_search_highlights = *background_highlight_id
6690 == HighlightKey::Type(TypeId::of::<BufferSearchHighlights>());
6691 let is_text_highlights = *background_highlight_id
6692 == HighlightKey::Type(TypeId::of::<SelectedTextHighlight>());
6693 let is_symbol_occurrences = *background_highlight_id
6694 == HighlightKey::Type(TypeId::of::<DocumentHighlightRead>())
6695 || *background_highlight_id
6696 == HighlightKey::Type(
6697 TypeId::of::<DocumentHighlightWrite>(),
6698 );
6699 if (is_search_highlights && scrollbar_settings.search_results)
6700 || (is_text_highlights && scrollbar_settings.selected_text)
6701 || (is_symbol_occurrences && scrollbar_settings.selected_symbol)
6702 {
6703 let mut color = theme.status().info;
6704 if is_symbol_occurrences {
6705 color.fade_out(0.5);
6706 }
6707 let marker_row_ranges = background_ranges.iter().map(|range| {
6708 let display_start = range
6709 .start
6710 .to_display_point(&snapshot.display_snapshot);
6711 let display_end =
6712 range.end.to_display_point(&snapshot.display_snapshot);
6713 ColoredRange {
6714 start: display_start.row(),
6715 end: display_end.row(),
6716 color,
6717 }
6718 });
6719 marker_quads.extend(
6720 scrollbar_layout
6721 .marker_quads_for_ranges(marker_row_ranges, Some(1)),
6722 );
6723 }
6724 }
6725
6726 if scrollbar_settings.diagnostics != ScrollbarDiagnostics::None {
6727 let diagnostics = snapshot
6728 .buffer_snapshot()
6729 .diagnostics_in_range::<Point>(Point::zero()..max_point)
6730 // Don't show diagnostics the user doesn't care about
6731 .filter(|diagnostic| {
6732 match (
6733 scrollbar_settings.diagnostics,
6734 diagnostic.diagnostic.severity,
6735 ) {
6736 (ScrollbarDiagnostics::All, _) => true,
6737 (
6738 ScrollbarDiagnostics::Error,
6739 lsp::DiagnosticSeverity::ERROR,
6740 ) => true,
6741 (
6742 ScrollbarDiagnostics::Warning,
6743 lsp::DiagnosticSeverity::ERROR
6744 | lsp::DiagnosticSeverity::WARNING,
6745 ) => true,
6746 (
6747 ScrollbarDiagnostics::Information,
6748 lsp::DiagnosticSeverity::ERROR
6749 | lsp::DiagnosticSeverity::WARNING
6750 | lsp::DiagnosticSeverity::INFORMATION,
6751 ) => true,
6752 (_, _) => false,
6753 }
6754 })
6755 // We want to sort by severity, in order to paint the most severe diagnostics last.
6756 .sorted_by_key(|diagnostic| {
6757 std::cmp::Reverse(diagnostic.diagnostic.severity)
6758 });
6759
6760 let marker_row_ranges = diagnostics.into_iter().map(|diagnostic| {
6761 let start_display = diagnostic
6762 .range
6763 .start
6764 .to_display_point(&snapshot.display_snapshot);
6765 let end_display = diagnostic
6766 .range
6767 .end
6768 .to_display_point(&snapshot.display_snapshot);
6769 let color = match diagnostic.diagnostic.severity {
6770 lsp::DiagnosticSeverity::ERROR => theme.status().error,
6771 lsp::DiagnosticSeverity::WARNING => theme.status().warning,
6772 lsp::DiagnosticSeverity::INFORMATION => theme.status().info,
6773 _ => theme.status().hint,
6774 };
6775 ColoredRange {
6776 start: start_display.row(),
6777 end: end_display.row(),
6778 color,
6779 }
6780 });
6781 marker_quads.extend(
6782 scrollbar_layout
6783 .marker_quads_for_ranges(marker_row_ranges, Some(2)),
6784 );
6785 }
6786
6787 Arc::from(marker_quads)
6788 })
6789 .await;
6790
6791 editor.update(cx, |editor, cx| {
6792 editor.scrollbar_marker_state.markers = scrollbar_markers;
6793 editor.scrollbar_marker_state.scrollbar_size = scrollbar_size;
6794 editor.scrollbar_marker_state.pending_refresh = None;
6795 cx.notify();
6796 })?;
6797
6798 Ok(())
6799 }));
6800 });
6801 }
6802
6803 fn paint_highlighted_range(
6804 &self,
6805 range: Range<DisplayPoint>,
6806 fill: bool,
6807 color: Hsla,
6808 corner_radius: Pixels,
6809 line_end_overshoot: Pixels,
6810 layout: &EditorLayout,
6811 window: &mut Window,
6812 ) {
6813 let start_row = layout.visible_display_row_range.start;
6814 let end_row = layout.visible_display_row_range.end;
6815 if range.start != range.end {
6816 let row_range = if range.end.column() == 0 {
6817 cmp::max(range.start.row(), start_row)..cmp::min(range.end.row(), end_row)
6818 } else {
6819 cmp::max(range.start.row(), start_row)
6820 ..cmp::min(range.end.row().next_row(), end_row)
6821 };
6822
6823 let highlighted_range = HighlightedRange {
6824 color,
6825 line_height: layout.position_map.line_height,
6826 corner_radius,
6827 start_y: layout.content_origin.y
6828 + Pixels::from(
6829 (row_range.start.as_f64() - layout.position_map.scroll_position.y)
6830 * ScrollOffset::from(layout.position_map.line_height),
6831 ),
6832 lines: row_range
6833 .iter_rows()
6834 .map(|row| {
6835 let line_layout =
6836 &layout.position_map.line_layouts[row.minus(start_row) as usize];
6837 HighlightedRangeLine {
6838 start_x: if row == range.start.row() {
6839 layout.content_origin.x
6840 + Pixels::from(
6841 ScrollPixelOffset::from(
6842 line_layout.x_for_index(range.start.column() as usize),
6843 ) - layout.position_map.scroll_pixel_position.x,
6844 )
6845 } else {
6846 layout.content_origin.x
6847 - Pixels::from(layout.position_map.scroll_pixel_position.x)
6848 },
6849 end_x: if row == range.end.row() {
6850 layout.content_origin.x
6851 + Pixels::from(
6852 ScrollPixelOffset::from(
6853 line_layout.x_for_index(range.end.column() as usize),
6854 ) - layout.position_map.scroll_pixel_position.x,
6855 )
6856 } else {
6857 Pixels::from(
6858 ScrollPixelOffset::from(
6859 layout.content_origin.x
6860 + line_layout.width
6861 + line_end_overshoot,
6862 ) - layout.position_map.scroll_pixel_position.x,
6863 )
6864 },
6865 }
6866 })
6867 .collect(),
6868 };
6869
6870 highlighted_range.paint(fill, layout.position_map.text_hitbox.bounds, window);
6871 }
6872 }
6873
6874 fn paint_inline_diagnostics(
6875 &mut self,
6876 layout: &mut EditorLayout,
6877 window: &mut Window,
6878 cx: &mut App,
6879 ) {
6880 for mut inline_diagnostic in layout.inline_diagnostics.drain() {
6881 inline_diagnostic.1.paint(window, cx);
6882 }
6883 }
6884
6885 fn paint_inline_blame(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6886 if let Some(mut blame_layout) = layout.inline_blame_layout.take() {
6887 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6888 blame_layout.element.paint(window, cx);
6889 })
6890 }
6891 }
6892
6893 fn paint_inline_code_actions(
6894 &mut self,
6895 layout: &mut EditorLayout,
6896 window: &mut Window,
6897 cx: &mut App,
6898 ) {
6899 if let Some(mut inline_code_actions) = layout.inline_code_actions.take() {
6900 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6901 inline_code_actions.paint(window, cx);
6902 })
6903 }
6904 }
6905
6906 fn paint_diff_hunk_controls(
6907 &mut self,
6908 layout: &mut EditorLayout,
6909 window: &mut Window,
6910 cx: &mut App,
6911 ) {
6912 for mut diff_hunk_control in layout.diff_hunk_controls.drain(..) {
6913 diff_hunk_control.paint(window, cx);
6914 }
6915 }
6916
6917 fn paint_minimap(&self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6918 if let Some(mut layout) = layout.minimap.take() {
6919 let minimap_hitbox = layout.thumb_layout.hitbox.clone();
6920 let dragging_minimap = self.editor.read(cx).scroll_manager.is_dragging_minimap();
6921
6922 window.paint_layer(layout.thumb_layout.hitbox.bounds, |window| {
6923 window.with_element_namespace("minimap", |window| {
6924 layout.minimap.paint(window, cx);
6925 if let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds {
6926 let minimap_thumb_color = match layout.thumb_layout.thumb_state {
6927 ScrollbarThumbState::Idle => {
6928 cx.theme().colors().minimap_thumb_background
6929 }
6930 ScrollbarThumbState::Hovered => {
6931 cx.theme().colors().minimap_thumb_hover_background
6932 }
6933 ScrollbarThumbState::Dragging => {
6934 cx.theme().colors().minimap_thumb_active_background
6935 }
6936 };
6937 let minimap_thumb_border = match layout.thumb_border_style {
6938 MinimapThumbBorder::Full => Edges::all(ScrollbarLayout::BORDER_WIDTH),
6939 MinimapThumbBorder::LeftOnly => Edges {
6940 left: ScrollbarLayout::BORDER_WIDTH,
6941 ..Default::default()
6942 },
6943 MinimapThumbBorder::LeftOpen => Edges {
6944 right: ScrollbarLayout::BORDER_WIDTH,
6945 top: ScrollbarLayout::BORDER_WIDTH,
6946 bottom: ScrollbarLayout::BORDER_WIDTH,
6947 ..Default::default()
6948 },
6949 MinimapThumbBorder::RightOpen => Edges {
6950 left: ScrollbarLayout::BORDER_WIDTH,
6951 top: ScrollbarLayout::BORDER_WIDTH,
6952 bottom: ScrollbarLayout::BORDER_WIDTH,
6953 ..Default::default()
6954 },
6955 MinimapThumbBorder::None => Default::default(),
6956 };
6957
6958 window.paint_layer(minimap_hitbox.bounds, |window| {
6959 window.paint_quad(quad(
6960 thumb_bounds,
6961 Corners::default(),
6962 minimap_thumb_color,
6963 minimap_thumb_border,
6964 cx.theme().colors().minimap_thumb_border,
6965 BorderStyle::Solid,
6966 ));
6967 });
6968 }
6969 });
6970 });
6971
6972 if dragging_minimap {
6973 window.set_window_cursor_style(CursorStyle::Arrow);
6974 } else {
6975 window.set_cursor_style(CursorStyle::Arrow, &minimap_hitbox);
6976 }
6977
6978 let minimap_axis = ScrollbarAxis::Vertical;
6979 let pixels_per_line = Pixels::from(
6980 ScrollPixelOffset::from(minimap_hitbox.size.height) / layout.max_scroll_top,
6981 )
6982 .min(layout.minimap_line_height);
6983
6984 let mut mouse_position = window.mouse_position();
6985
6986 window.on_mouse_event({
6987 let editor = self.editor.clone();
6988
6989 let minimap_hitbox = minimap_hitbox.clone();
6990
6991 move |event: &MouseMoveEvent, phase, window, cx| {
6992 if phase == DispatchPhase::Capture {
6993 return;
6994 }
6995
6996 editor.update(cx, |editor, cx| {
6997 if event.pressed_button == Some(MouseButton::Left)
6998 && editor.scroll_manager.is_dragging_minimap()
6999 {
7000 let old_position = mouse_position.along(minimap_axis);
7001 let new_position = event.position.along(minimap_axis);
7002 if (minimap_hitbox.origin.along(minimap_axis)
7003 ..minimap_hitbox.bottom_right().along(minimap_axis))
7004 .contains(&old_position)
7005 {
7006 let position =
7007 editor.scroll_position(cx).apply_along(minimap_axis, |p| {
7008 (p + ScrollPixelOffset::from(
7009 (new_position - old_position) / pixels_per_line,
7010 ))
7011 .max(0.)
7012 });
7013
7014 editor.set_scroll_position(position, window, cx);
7015 }
7016 cx.stop_propagation();
7017 } else if minimap_hitbox.is_hovered(window) {
7018 editor.scroll_manager.set_is_hovering_minimap_thumb(
7019 !event.dragging()
7020 && layout
7021 .thumb_layout
7022 .thumb_bounds
7023 .is_some_and(|bounds| bounds.contains(&event.position)),
7024 cx,
7025 );
7026
7027 // Stop hover events from propagating to the
7028 // underlying editor if the minimap hitbox is hovered
7029 if !event.dragging() {
7030 cx.stop_propagation();
7031 }
7032 } else {
7033 editor.scroll_manager.hide_minimap_thumb(cx);
7034 }
7035 mouse_position = event.position;
7036 });
7037 }
7038 });
7039
7040 if dragging_minimap {
7041 window.on_mouse_event({
7042 let editor = self.editor.clone();
7043 move |event: &MouseUpEvent, phase, window, cx| {
7044 if phase == DispatchPhase::Capture {
7045 return;
7046 }
7047
7048 editor.update(cx, |editor, cx| {
7049 if minimap_hitbox.is_hovered(window) {
7050 editor.scroll_manager.set_is_hovering_minimap_thumb(
7051 layout
7052 .thumb_layout
7053 .thumb_bounds
7054 .is_some_and(|bounds| bounds.contains(&event.position)),
7055 cx,
7056 );
7057 } else {
7058 editor.scroll_manager.hide_minimap_thumb(cx);
7059 }
7060 cx.stop_propagation();
7061 });
7062 }
7063 });
7064 } else {
7065 window.on_mouse_event({
7066 let editor = self.editor.clone();
7067
7068 move |event: &MouseDownEvent, phase, window, cx| {
7069 if phase == DispatchPhase::Capture || !minimap_hitbox.is_hovered(window) {
7070 return;
7071 }
7072
7073 let event_position = event.position;
7074
7075 let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds else {
7076 return;
7077 };
7078
7079 editor.update(cx, |editor, cx| {
7080 if !thumb_bounds.contains(&event_position) {
7081 let click_position =
7082 event_position.relative_to(&minimap_hitbox.origin).y;
7083
7084 let top_position = (click_position
7085 - thumb_bounds.size.along(minimap_axis) / 2.0)
7086 .max(Pixels::ZERO);
7087
7088 let scroll_offset = (layout.minimap_scroll_top
7089 + ScrollPixelOffset::from(
7090 top_position / layout.minimap_line_height,
7091 ))
7092 .min(layout.max_scroll_top);
7093
7094 let scroll_position = editor
7095 .scroll_position(cx)
7096 .apply_along(minimap_axis, |_| scroll_offset);
7097 editor.set_scroll_position(scroll_position, window, cx);
7098 }
7099
7100 editor.scroll_manager.set_is_dragging_minimap(cx);
7101 cx.stop_propagation();
7102 });
7103 }
7104 });
7105 }
7106 }
7107 }
7108
7109 fn paint_blocks(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
7110 for mut block in layout.blocks.drain(..) {
7111 if block.overlaps_gutter {
7112 block.element.paint(window, cx);
7113 } else {
7114 let mut bounds = layout.hitbox.bounds;
7115 bounds.origin.x += layout.gutter_hitbox.bounds.size.width;
7116 window.with_content_mask(Some(ContentMask { bounds }), |window| {
7117 block.element.paint(window, cx);
7118 })
7119 }
7120 }
7121 }
7122
7123 fn paint_edit_prediction_popover(
7124 &mut self,
7125 layout: &mut EditorLayout,
7126 window: &mut Window,
7127 cx: &mut App,
7128 ) {
7129 if let Some(edit_prediction_popover) = layout.edit_prediction_popover.as_mut() {
7130 edit_prediction_popover.paint(window, cx);
7131 }
7132 }
7133
7134 fn paint_mouse_context_menu(
7135 &mut self,
7136 layout: &mut EditorLayout,
7137 window: &mut Window,
7138 cx: &mut App,
7139 ) {
7140 if let Some(mouse_context_menu) = layout.mouse_context_menu.as_mut() {
7141 mouse_context_menu.paint(window, cx);
7142 }
7143 }
7144
7145 fn paint_scroll_wheel_listener(
7146 &mut self,
7147 layout: &EditorLayout,
7148 window: &mut Window,
7149 cx: &mut App,
7150 ) {
7151 window.on_mouse_event({
7152 let position_map = layout.position_map.clone();
7153 let editor = self.editor.clone();
7154 let hitbox = layout.hitbox.clone();
7155 let mut delta = ScrollDelta::default();
7156
7157 // Set a minimum scroll_sensitivity of 0.01 to make sure the user doesn't
7158 // accidentally turn off their scrolling.
7159 let base_scroll_sensitivity =
7160 EditorSettings::get_global(cx).scroll_sensitivity.max(0.01);
7161
7162 // Use a minimum fast_scroll_sensitivity for same reason above
7163 let fast_scroll_sensitivity = EditorSettings::get_global(cx)
7164 .fast_scroll_sensitivity
7165 .max(0.01);
7166
7167 move |event: &ScrollWheelEvent, phase, window, cx| {
7168 let scroll_sensitivity = {
7169 if event.modifiers.alt {
7170 fast_scroll_sensitivity
7171 } else {
7172 base_scroll_sensitivity
7173 }
7174 };
7175
7176 if phase == DispatchPhase::Bubble && hitbox.should_handle_scroll(window) {
7177 delta = delta.coalesce(event.delta);
7178 editor.update(cx, |editor, cx| {
7179 let position_map: &PositionMap = &position_map;
7180
7181 let line_height = position_map.line_height;
7182 let max_glyph_advance = position_map.em_advance;
7183 let (delta, axis) = match delta {
7184 gpui::ScrollDelta::Pixels(mut pixels) => {
7185 //Trackpad
7186 let axis = position_map.snapshot.ongoing_scroll.filter(&mut pixels);
7187 (pixels, axis)
7188 }
7189
7190 gpui::ScrollDelta::Lines(lines) => {
7191 //Not trackpad
7192 let pixels =
7193 point(lines.x * max_glyph_advance, lines.y * line_height);
7194 (pixels, None)
7195 }
7196 };
7197
7198 let current_scroll_position = position_map.snapshot.scroll_position();
7199 let x = (current_scroll_position.x
7200 * ScrollPixelOffset::from(max_glyph_advance)
7201 - ScrollPixelOffset::from(delta.x * scroll_sensitivity))
7202 / ScrollPixelOffset::from(max_glyph_advance);
7203 let y = (current_scroll_position.y * ScrollPixelOffset::from(line_height)
7204 - ScrollPixelOffset::from(delta.y * scroll_sensitivity))
7205 / ScrollPixelOffset::from(line_height);
7206 let mut scroll_position =
7207 point(x, y).clamp(&point(0., 0.), &position_map.scroll_max);
7208 let forbid_vertical_scroll = editor.scroll_manager.forbid_vertical_scroll();
7209 if forbid_vertical_scroll {
7210 scroll_position.y = current_scroll_position.y;
7211 }
7212
7213 if scroll_position != current_scroll_position {
7214 editor.scroll(scroll_position, axis, window, cx);
7215 cx.stop_propagation();
7216 } else if y < 0. {
7217 // Due to clamping, we may fail to detect cases of overscroll to the top;
7218 // We want the scroll manager to get an update in such cases and detect the change of direction
7219 // on the next frame.
7220 cx.notify();
7221 }
7222 });
7223 }
7224 }
7225 });
7226 }
7227
7228 fn paint_mouse_listeners(&mut self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
7229 if layout.mode.is_minimap() {
7230 return;
7231 }
7232
7233 self.paint_scroll_wheel_listener(layout, window, cx);
7234
7235 window.on_mouse_event({
7236 let position_map = layout.position_map.clone();
7237 let editor = self.editor.clone();
7238 let diff_hunk_range =
7239 layout
7240 .display_hunks
7241 .iter()
7242 .find_map(|(hunk, hunk_hitbox)| match hunk {
7243 DisplayDiffHunk::Folded { .. } => None,
7244 DisplayDiffHunk::Unfolded {
7245 multi_buffer_range, ..
7246 } => {
7247 if hunk_hitbox
7248 .as_ref()
7249 .map(|hitbox| hitbox.is_hovered(window))
7250 .unwrap_or(false)
7251 {
7252 Some(multi_buffer_range.clone())
7253 } else {
7254 None
7255 }
7256 }
7257 });
7258 let line_numbers = layout.line_numbers.clone();
7259
7260 move |event: &MouseDownEvent, phase, window, cx| {
7261 if phase == DispatchPhase::Bubble {
7262 match event.button {
7263 MouseButton::Left => editor.update(cx, |editor, cx| {
7264 let pending_mouse_down = editor
7265 .pending_mouse_down
7266 .get_or_insert_with(Default::default)
7267 .clone();
7268
7269 *pending_mouse_down.borrow_mut() = Some(event.clone());
7270
7271 Self::mouse_left_down(
7272 editor,
7273 event,
7274 diff_hunk_range.clone(),
7275 &position_map,
7276 line_numbers.as_ref(),
7277 window,
7278 cx,
7279 );
7280 }),
7281 MouseButton::Right => editor.update(cx, |editor, cx| {
7282 Self::mouse_right_down(editor, event, &position_map, window, cx);
7283 }),
7284 MouseButton::Middle => editor.update(cx, |editor, cx| {
7285 Self::mouse_middle_down(editor, event, &position_map, window, cx);
7286 }),
7287 _ => {}
7288 };
7289 }
7290 }
7291 });
7292
7293 window.on_mouse_event({
7294 let editor = self.editor.clone();
7295 let position_map = layout.position_map.clone();
7296
7297 move |event: &MouseUpEvent, phase, window, cx| {
7298 if phase == DispatchPhase::Bubble {
7299 editor.update(cx, |editor, cx| {
7300 Self::mouse_up(editor, event, &position_map, window, cx)
7301 });
7302 }
7303 }
7304 });
7305
7306 window.on_mouse_event({
7307 let editor = self.editor.clone();
7308 let position_map = layout.position_map.clone();
7309 let mut captured_mouse_down = None;
7310
7311 move |event: &MouseUpEvent, phase, window, cx| match phase {
7312 // Clear the pending mouse down during the capture phase,
7313 // so that it happens even if another event handler stops
7314 // propagation.
7315 DispatchPhase::Capture => editor.update(cx, |editor, _cx| {
7316 let pending_mouse_down = editor
7317 .pending_mouse_down
7318 .get_or_insert_with(Default::default)
7319 .clone();
7320
7321 let mut pending_mouse_down = pending_mouse_down.borrow_mut();
7322 if pending_mouse_down.is_some() && position_map.text_hitbox.is_hovered(window) {
7323 captured_mouse_down = pending_mouse_down.take();
7324 window.refresh();
7325 }
7326 }),
7327 // Fire click handlers during the bubble phase.
7328 DispatchPhase::Bubble => editor.update(cx, |editor, cx| {
7329 if let Some(mouse_down) = captured_mouse_down.take() {
7330 let event = ClickEvent::Mouse(MouseClickEvent {
7331 down: mouse_down,
7332 up: event.clone(),
7333 });
7334 Self::click(editor, &event, &position_map, window, cx);
7335 }
7336 }),
7337 }
7338 });
7339
7340 window.on_mouse_event({
7341 let position_map = layout.position_map.clone();
7342 let editor = self.editor.clone();
7343
7344 move |event: &MouseMoveEvent, phase, window, cx| {
7345 if phase == DispatchPhase::Bubble {
7346 editor.update(cx, |editor, cx| {
7347 if editor.hover_state.focused(window, cx) {
7348 return;
7349 }
7350 if event.pressed_button == Some(MouseButton::Left)
7351 || event.pressed_button == Some(MouseButton::Middle)
7352 {
7353 Self::mouse_dragged(editor, event, &position_map, window, cx)
7354 }
7355
7356 Self::mouse_moved(editor, event, &position_map, window, cx)
7357 });
7358 }
7359 }
7360 });
7361 }
7362
7363 fn column_pixels(&self, column: usize, window: &Window) -> Pixels {
7364 let style = &self.style;
7365 let font_size = style.text.font_size.to_pixels(window.rem_size());
7366 let layout = window.text_system().shape_line(
7367 SharedString::from(" ".repeat(column)),
7368 font_size,
7369 &[TextRun {
7370 len: column,
7371 font: style.text.font(),
7372 color: Hsla::default(),
7373 background_color: None,
7374 underline: None,
7375 strikethrough: None,
7376 }],
7377 None,
7378 );
7379
7380 layout.width
7381 }
7382
7383 fn max_line_number_width(&self, snapshot: &EditorSnapshot, window: &mut Window) -> Pixels {
7384 let digit_count = snapshot.widest_line_number().ilog10() + 1;
7385 self.column_pixels(digit_count as usize, window)
7386 }
7387
7388 fn shape_line_number(
7389 &self,
7390 text: SharedString,
7391 color: Hsla,
7392 window: &mut Window,
7393 ) -> ShapedLine {
7394 let run = TextRun {
7395 len: text.len(),
7396 font: self.style.text.font(),
7397 color,
7398 background_color: None,
7399 underline: None,
7400 strikethrough: None,
7401 };
7402 window.text_system().shape_line(
7403 text,
7404 self.style.text.font_size.to_pixels(window.rem_size()),
7405 &[run],
7406 None,
7407 )
7408 }
7409
7410 fn diff_hunk_hollow(status: DiffHunkStatus, cx: &mut App) -> bool {
7411 let unstaged = status.has_secondary_hunk();
7412 let unstaged_hollow = matches!(
7413 ProjectSettings::get_global(cx).git.hunk_style,
7414 GitHunkStyleSetting::UnstagedHollow
7415 );
7416
7417 unstaged == unstaged_hollow
7418 }
7419
7420 #[cfg(debug_assertions)]
7421 fn layout_debug_ranges(
7422 selections: &mut Vec<(PlayerColor, Vec<SelectionLayout>)>,
7423 anchor_range: Range<Anchor>,
7424 display_snapshot: &DisplaySnapshot,
7425 cx: &App,
7426 ) {
7427 let theme = cx.theme();
7428 text::debug::GlobalDebugRanges::with_locked(|debug_ranges| {
7429 if debug_ranges.ranges.is_empty() {
7430 return;
7431 }
7432 let buffer_snapshot = &display_snapshot.buffer_snapshot();
7433 for (buffer, buffer_range, excerpt_id) in
7434 buffer_snapshot.range_to_buffer_ranges(anchor_range)
7435 {
7436 let buffer_range =
7437 buffer.anchor_after(buffer_range.start)..buffer.anchor_before(buffer_range.end);
7438 selections.extend(debug_ranges.ranges.iter().flat_map(|debug_range| {
7439 let player_color = theme
7440 .players()
7441 .color_for_participant(debug_range.occurrence_index as u32 + 1);
7442 debug_range.ranges.iter().filter_map(move |range| {
7443 if range.start.buffer_id != Some(buffer.remote_id()) {
7444 return None;
7445 }
7446 let clipped_start = range.start.max(&buffer_range.start, buffer);
7447 let clipped_end = range.end.min(&buffer_range.end, buffer);
7448 let range = buffer_snapshot.anchor_in_excerpt(excerpt_id, clipped_start)?
7449 ..buffer_snapshot.anchor_in_excerpt(excerpt_id, clipped_end)?;
7450 let start = range.start.to_display_point(display_snapshot);
7451 let end = range.end.to_display_point(display_snapshot);
7452 let selection_layout = SelectionLayout {
7453 head: start,
7454 range: start..end,
7455 cursor_shape: CursorShape::Bar,
7456 is_newest: false,
7457 is_local: false,
7458 active_rows: start.row()..end.row(),
7459 user_name: Some(SharedString::new(debug_range.value.clone())),
7460 };
7461 Some((player_color, vec![selection_layout]))
7462 })
7463 }));
7464 }
7465 });
7466 }
7467}
7468
7469fn header_jump_data(
7470 snapshot: &EditorSnapshot,
7471 block_row_start: DisplayRow,
7472 height: u32,
7473 for_excerpt: &ExcerptInfo,
7474) -> JumpData {
7475 let range = &for_excerpt.range;
7476 let buffer = &for_excerpt.buffer;
7477 let jump_anchor = range.primary.start;
7478
7479 let excerpt_start = range.context.start;
7480 let jump_position = language::ToPoint::to_point(&jump_anchor, buffer);
7481 let rows_from_excerpt_start = if jump_anchor == excerpt_start {
7482 0
7483 } else {
7484 let excerpt_start_point = language::ToPoint::to_point(&excerpt_start, buffer);
7485 jump_position.row.saturating_sub(excerpt_start_point.row)
7486 };
7487
7488 let line_offset_from_top = (block_row_start.0 + height + rows_from_excerpt_start)
7489 .saturating_sub(
7490 snapshot
7491 .scroll_anchor
7492 .scroll_position(&snapshot.display_snapshot)
7493 .y as u32,
7494 );
7495
7496 JumpData::MultiBufferPoint {
7497 excerpt_id: for_excerpt.id,
7498 anchor: jump_anchor,
7499 position: jump_position,
7500 line_offset_from_top,
7501 }
7502}
7503
7504pub struct AcceptEditPredictionBinding(pub(crate) Option<gpui::KeyBinding>);
7505
7506impl AcceptEditPredictionBinding {
7507 pub fn keystroke(&self) -> Option<&KeybindingKeystroke> {
7508 if let Some(binding) = self.0.as_ref() {
7509 match &binding.keystrokes() {
7510 [keystroke, ..] => Some(keystroke),
7511 _ => None,
7512 }
7513 } else {
7514 None
7515 }
7516 }
7517}
7518
7519fn prepaint_gutter_button(
7520 button: IconButton,
7521 row: DisplayRow,
7522 line_height: Pixels,
7523 gutter_dimensions: &GutterDimensions,
7524 scroll_position: gpui::Point<ScrollOffset>,
7525 gutter_hitbox: &Hitbox,
7526 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
7527 window: &mut Window,
7528 cx: &mut App,
7529) -> AnyElement {
7530 let mut button = button.into_any_element();
7531
7532 let available_space = size(
7533 AvailableSpace::MinContent,
7534 AvailableSpace::Definite(line_height),
7535 );
7536 let indicator_size = button.layout_as_root(available_space, window, cx);
7537
7538 let blame_width = gutter_dimensions.git_blame_entries_width;
7539 let gutter_width = display_hunks
7540 .binary_search_by(|(hunk, _)| match hunk {
7541 DisplayDiffHunk::Folded { display_row } => display_row.cmp(&row),
7542 DisplayDiffHunk::Unfolded {
7543 display_row_range, ..
7544 } => {
7545 if display_row_range.end <= row {
7546 Ordering::Less
7547 } else if display_row_range.start > row {
7548 Ordering::Greater
7549 } else {
7550 Ordering::Equal
7551 }
7552 }
7553 })
7554 .ok()
7555 .and_then(|ix| Some(display_hunks[ix].1.as_ref()?.size.width));
7556 let left_offset = blame_width.max(gutter_width).unwrap_or_default();
7557
7558 let mut x = left_offset;
7559 let available_width = gutter_dimensions.margin + gutter_dimensions.left_padding
7560 - indicator_size.width
7561 - left_offset;
7562 x += available_width / 2.;
7563
7564 let mut y =
7565 Pixels::from((row.as_f64() - scroll_position.y) * ScrollPixelOffset::from(line_height));
7566 y += (line_height - indicator_size.height) / 2.;
7567
7568 button.prepaint_as_root(
7569 gutter_hitbox.origin + point(x, y),
7570 available_space,
7571 window,
7572 cx,
7573 );
7574 button
7575}
7576
7577fn render_inline_blame_entry(
7578 blame_entry: BlameEntry,
7579 style: &EditorStyle,
7580 cx: &mut App,
7581) -> Option<AnyElement> {
7582 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7583 renderer.render_inline_blame_entry(&style.text, blame_entry, cx)
7584}
7585
7586fn render_blame_entry_popover(
7587 blame_entry: BlameEntry,
7588 scroll_handle: ScrollHandle,
7589 commit_message: Option<ParsedCommitMessage>,
7590 markdown: Entity<Markdown>,
7591 workspace: WeakEntity<Workspace>,
7592 blame: &Entity<GitBlame>,
7593 buffer: BufferId,
7594 window: &mut Window,
7595 cx: &mut App,
7596) -> Option<AnyElement> {
7597 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7598 let blame = blame.read(cx);
7599 let repository = blame.repository(cx, buffer)?;
7600 renderer.render_blame_entry_popover(
7601 blame_entry,
7602 scroll_handle,
7603 commit_message,
7604 markdown,
7605 repository,
7606 workspace,
7607 window,
7608 cx,
7609 )
7610}
7611
7612fn render_blame_entry(
7613 ix: usize,
7614 blame: &Entity<GitBlame>,
7615 blame_entry: BlameEntry,
7616 style: &EditorStyle,
7617 last_used_color: &mut Option<(Hsla, Oid)>,
7618 editor: Entity<Editor>,
7619 workspace: Entity<Workspace>,
7620 buffer: BufferId,
7621 renderer: &dyn BlameRenderer,
7622 window: &mut Window,
7623 cx: &mut App,
7624) -> Option<AnyElement> {
7625 let index: u32 = blame_entry.sha.into();
7626 let mut sha_color = cx.theme().players().color_for_participant(index).cursor;
7627
7628 // If the last color we used is the same as the one we get for this line, but
7629 // the commit SHAs are different, then we try again to get a different color.
7630 if let Some((color, sha)) = *last_used_color
7631 && sha != blame_entry.sha
7632 && color == sha_color
7633 {
7634 sha_color = cx.theme().players().color_for_participant(index + 1).cursor;
7635 }
7636 last_used_color.replace((sha_color, blame_entry.sha));
7637
7638 let blame = blame.read(cx);
7639 let details = blame.details_for_entry(buffer, &blame_entry);
7640 let repository = blame.repository(cx, buffer)?;
7641 renderer.render_blame_entry(
7642 &style.text,
7643 blame_entry,
7644 details,
7645 repository,
7646 workspace.downgrade(),
7647 editor,
7648 ix,
7649 sha_color,
7650 window,
7651 cx,
7652 )
7653}
7654
7655#[derive(Debug)]
7656pub(crate) struct LineWithInvisibles {
7657 fragments: SmallVec<[LineFragment; 1]>,
7658 invisibles: Vec<Invisible>,
7659 len: usize,
7660 pub(crate) width: Pixels,
7661 font_size: Pixels,
7662}
7663
7664enum LineFragment {
7665 Text(ShapedLine),
7666 Element {
7667 id: ChunkRendererId,
7668 element: Option<AnyElement>,
7669 size: Size<Pixels>,
7670 len: usize,
7671 },
7672}
7673
7674impl fmt::Debug for LineFragment {
7675 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
7676 match self {
7677 LineFragment::Text(shaped_line) => f.debug_tuple("Text").field(shaped_line).finish(),
7678 LineFragment::Element { size, len, .. } => f
7679 .debug_struct("Element")
7680 .field("size", size)
7681 .field("len", len)
7682 .finish(),
7683 }
7684 }
7685}
7686
7687impl LineWithInvisibles {
7688 fn from_chunks<'a>(
7689 chunks: impl Iterator<Item = HighlightedChunk<'a>>,
7690 editor_style: &EditorStyle,
7691 max_line_len: usize,
7692 max_line_count: usize,
7693 editor_mode: &EditorMode,
7694 text_width: Pixels,
7695 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
7696 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
7697 window: &mut Window,
7698 cx: &mut App,
7699 ) -> Vec<Self> {
7700 let text_style = &editor_style.text;
7701 let mut layouts = Vec::with_capacity(max_line_count);
7702 let mut fragments: SmallVec<[LineFragment; 1]> = SmallVec::new();
7703 let mut line = String::new();
7704 let mut invisibles = Vec::new();
7705 let mut width = Pixels::ZERO;
7706 let mut len = 0;
7707 let mut styles = Vec::new();
7708 let mut non_whitespace_added = false;
7709 let mut row = 0;
7710 let mut line_exceeded_max_len = false;
7711 let font_size = text_style.font_size.to_pixels(window.rem_size());
7712 let min_contrast = EditorSettings::get_global(cx).minimum_contrast_for_highlights;
7713
7714 let ellipsis = SharedString::from("β―");
7715
7716 for highlighted_chunk in chunks.chain([HighlightedChunk {
7717 text: "\n",
7718 style: None,
7719 is_tab: false,
7720 is_inlay: false,
7721 replacement: None,
7722 }]) {
7723 if let Some(replacement) = highlighted_chunk.replacement {
7724 if !line.is_empty() {
7725 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7726 let text_runs: &[TextRun] = if segments.is_empty() {
7727 &styles
7728 } else {
7729 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
7730 };
7731 let shaped_line = window.text_system().shape_line(
7732 line.clone().into(),
7733 font_size,
7734 text_runs,
7735 None,
7736 );
7737 width += shaped_line.width;
7738 len += shaped_line.len;
7739 fragments.push(LineFragment::Text(shaped_line));
7740 line.clear();
7741 styles.clear();
7742 }
7743
7744 match replacement {
7745 ChunkReplacement::Renderer(renderer) => {
7746 let available_width = if renderer.constrain_width {
7747 let chunk = if highlighted_chunk.text == ellipsis.as_ref() {
7748 ellipsis.clone()
7749 } else {
7750 SharedString::from(Arc::from(highlighted_chunk.text))
7751 };
7752 let shaped_line = window.text_system().shape_line(
7753 chunk,
7754 font_size,
7755 &[text_style.to_run(highlighted_chunk.text.len())],
7756 None,
7757 );
7758 AvailableSpace::Definite(shaped_line.width)
7759 } else {
7760 AvailableSpace::MinContent
7761 };
7762
7763 let mut element = (renderer.render)(&mut ChunkRendererContext {
7764 context: cx,
7765 window,
7766 max_width: text_width,
7767 });
7768 let line_height = text_style.line_height_in_pixels(window.rem_size());
7769 let size = element.layout_as_root(
7770 size(available_width, AvailableSpace::Definite(line_height)),
7771 window,
7772 cx,
7773 );
7774
7775 width += size.width;
7776 len += highlighted_chunk.text.len();
7777 fragments.push(LineFragment::Element {
7778 id: renderer.id,
7779 element: Some(element),
7780 size,
7781 len: highlighted_chunk.text.len(),
7782 });
7783 }
7784 ChunkReplacement::Str(x) => {
7785 let text_style = if let Some(style) = highlighted_chunk.style {
7786 Cow::Owned(text_style.clone().highlight(style))
7787 } else {
7788 Cow::Borrowed(text_style)
7789 };
7790
7791 let run = TextRun {
7792 len: x.len(),
7793 font: text_style.font(),
7794 color: text_style.color,
7795 background_color: text_style.background_color,
7796 underline: text_style.underline,
7797 strikethrough: text_style.strikethrough,
7798 };
7799 let line_layout = window
7800 .text_system()
7801 .shape_line(x, font_size, &[run], None)
7802 .with_len(highlighted_chunk.text.len());
7803
7804 width += line_layout.width;
7805 len += highlighted_chunk.text.len();
7806 fragments.push(LineFragment::Text(line_layout))
7807 }
7808 }
7809 } else {
7810 for (ix, mut line_chunk) in highlighted_chunk.text.split('\n').enumerate() {
7811 if ix > 0 {
7812 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7813 let text_runs = if segments.is_empty() {
7814 &styles
7815 } else {
7816 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
7817 };
7818 let shaped_line = window.text_system().shape_line(
7819 line.clone().into(),
7820 font_size,
7821 text_runs,
7822 None,
7823 );
7824 width += shaped_line.width;
7825 len += shaped_line.len;
7826 fragments.push(LineFragment::Text(shaped_line));
7827 layouts.push(Self {
7828 width: mem::take(&mut width),
7829 len: mem::take(&mut len),
7830 fragments: mem::take(&mut fragments),
7831 invisibles: std::mem::take(&mut invisibles),
7832 font_size,
7833 });
7834
7835 line.clear();
7836 styles.clear();
7837 row += 1;
7838 line_exceeded_max_len = false;
7839 non_whitespace_added = false;
7840 if row == max_line_count {
7841 return layouts;
7842 }
7843 }
7844
7845 if !line_chunk.is_empty() && !line_exceeded_max_len {
7846 let text_style = if let Some(style) = highlighted_chunk.style {
7847 Cow::Owned(text_style.clone().highlight(style))
7848 } else {
7849 Cow::Borrowed(text_style)
7850 };
7851
7852 if line.len() + line_chunk.len() > max_line_len {
7853 let mut chunk_len = max_line_len - line.len();
7854 while !line_chunk.is_char_boundary(chunk_len) {
7855 chunk_len -= 1;
7856 }
7857 line_chunk = &line_chunk[..chunk_len];
7858 line_exceeded_max_len = true;
7859 }
7860
7861 styles.push(TextRun {
7862 len: line_chunk.len(),
7863 font: text_style.font(),
7864 color: text_style.color,
7865 background_color: text_style.background_color,
7866 underline: text_style.underline,
7867 strikethrough: text_style.strikethrough,
7868 });
7869
7870 if editor_mode.is_full() && !highlighted_chunk.is_inlay {
7871 // Line wrap pads its contents with fake whitespaces,
7872 // avoid printing them
7873 let is_soft_wrapped = is_row_soft_wrapped(row);
7874 if highlighted_chunk.is_tab {
7875 if non_whitespace_added || !is_soft_wrapped {
7876 invisibles.push(Invisible::Tab {
7877 line_start_offset: line.len(),
7878 line_end_offset: line.len() + line_chunk.len(),
7879 });
7880 }
7881 } else {
7882 invisibles.extend(line_chunk.char_indices().filter_map(
7883 |(index, c)| {
7884 let is_whitespace = c.is_whitespace();
7885 non_whitespace_added |= !is_whitespace;
7886 if is_whitespace
7887 && (non_whitespace_added || !is_soft_wrapped)
7888 {
7889 Some(Invisible::Whitespace {
7890 line_offset: line.len() + index,
7891 })
7892 } else {
7893 None
7894 }
7895 },
7896 ))
7897 }
7898 }
7899
7900 line.push_str(line_chunk);
7901 }
7902 }
7903 }
7904 }
7905
7906 layouts
7907 }
7908
7909 /// Takes text runs and non-overlapping left-to-right background ranges with color.
7910 /// Returns new text runs with adjusted contrast as per background ranges.
7911 fn split_runs_by_bg_segments(
7912 text_runs: &[TextRun],
7913 bg_segments: &[(Range<DisplayPoint>, Hsla)],
7914 min_contrast: f32,
7915 start_col_offset: usize,
7916 ) -> Vec<TextRun> {
7917 let mut output_runs: Vec<TextRun> = Vec::with_capacity(text_runs.len());
7918 let mut line_col = start_col_offset;
7919 let mut segment_ix = 0usize;
7920
7921 for text_run in text_runs.iter() {
7922 let run_start_col = line_col;
7923 let run_end_col = run_start_col + text_run.len;
7924 while segment_ix < bg_segments.len()
7925 && (bg_segments[segment_ix].0.end.column() as usize) <= run_start_col
7926 {
7927 segment_ix += 1;
7928 }
7929 let mut cursor_col = run_start_col;
7930 let mut local_segment_ix = segment_ix;
7931 while local_segment_ix < bg_segments.len() {
7932 let (range, segment_color) = &bg_segments[local_segment_ix];
7933 let segment_start_col = range.start.column() as usize;
7934 let segment_end_col = range.end.column() as usize;
7935 if segment_start_col >= run_end_col {
7936 break;
7937 }
7938 if segment_start_col > cursor_col {
7939 let span_len = segment_start_col - cursor_col;
7940 output_runs.push(TextRun {
7941 len: span_len,
7942 font: text_run.font.clone(),
7943 color: text_run.color,
7944 background_color: text_run.background_color,
7945 underline: text_run.underline,
7946 strikethrough: text_run.strikethrough,
7947 });
7948 cursor_col = segment_start_col;
7949 }
7950 let segment_slice_end_col = segment_end_col.min(run_end_col);
7951 if segment_slice_end_col > cursor_col {
7952 let new_text_color =
7953 ensure_minimum_contrast(text_run.color, *segment_color, min_contrast);
7954 output_runs.push(TextRun {
7955 len: segment_slice_end_col - cursor_col,
7956 font: text_run.font.clone(),
7957 color: new_text_color,
7958 background_color: text_run.background_color,
7959 underline: text_run.underline,
7960 strikethrough: text_run.strikethrough,
7961 });
7962 cursor_col = segment_slice_end_col;
7963 }
7964 if segment_end_col >= run_end_col {
7965 break;
7966 }
7967 local_segment_ix += 1;
7968 }
7969 if cursor_col < run_end_col {
7970 output_runs.push(TextRun {
7971 len: run_end_col - cursor_col,
7972 font: text_run.font.clone(),
7973 color: text_run.color,
7974 background_color: text_run.background_color,
7975 underline: text_run.underline,
7976 strikethrough: text_run.strikethrough,
7977 });
7978 }
7979 line_col = run_end_col;
7980 segment_ix = local_segment_ix;
7981 }
7982 output_runs
7983 }
7984
7985 fn prepaint(
7986 &mut self,
7987 line_height: Pixels,
7988 scroll_position: gpui::Point<ScrollOffset>,
7989 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
7990 row: DisplayRow,
7991 content_origin: gpui::Point<Pixels>,
7992 line_elements: &mut SmallVec<[AnyElement; 1]>,
7993 window: &mut Window,
7994 cx: &mut App,
7995 ) {
7996 let line_y = f32::from(line_height) * Pixels::from(row.as_f64() - scroll_position.y);
7997 let mut fragment_origin =
7998 content_origin + gpui::point(Pixels::from(-scroll_pixel_position.x), line_y);
7999 for fragment in &mut self.fragments {
8000 match fragment {
8001 LineFragment::Text(line) => {
8002 fragment_origin.x += line.width;
8003 }
8004 LineFragment::Element { element, size, .. } => {
8005 let mut element = element
8006 .take()
8007 .expect("you can't prepaint LineWithInvisibles twice");
8008
8009 // Center the element vertically within the line.
8010 let mut element_origin = fragment_origin;
8011 element_origin.y += (line_height - size.height) / 2.;
8012 element.prepaint_at(element_origin, window, cx);
8013 line_elements.push(element);
8014
8015 fragment_origin.x += size.width;
8016 }
8017 }
8018 }
8019 }
8020
8021 fn draw(
8022 &self,
8023 layout: &EditorLayout,
8024 row: DisplayRow,
8025 content_origin: gpui::Point<Pixels>,
8026 whitespace_setting: ShowWhitespaceSetting,
8027 selection_ranges: &[Range<DisplayPoint>],
8028 window: &mut Window,
8029 cx: &mut App,
8030 ) {
8031 let line_height = layout.position_map.line_height;
8032 let line_y = line_height * (row.as_f64() - layout.position_map.scroll_position.y) as f32;
8033
8034 let mut fragment_origin = content_origin
8035 + gpui::point(
8036 Pixels::from(-layout.position_map.scroll_pixel_position.x),
8037 line_y,
8038 );
8039
8040 for fragment in &self.fragments {
8041 match fragment {
8042 LineFragment::Text(line) => {
8043 line.paint(fragment_origin, line_height, window, cx)
8044 .log_err();
8045 fragment_origin.x += line.width;
8046 }
8047 LineFragment::Element { size, .. } => {
8048 fragment_origin.x += size.width;
8049 }
8050 }
8051 }
8052
8053 self.draw_invisibles(
8054 selection_ranges,
8055 layout,
8056 content_origin,
8057 line_y,
8058 row,
8059 line_height,
8060 whitespace_setting,
8061 window,
8062 cx,
8063 );
8064 }
8065
8066 fn draw_background(
8067 &self,
8068 layout: &EditorLayout,
8069 row: DisplayRow,
8070 content_origin: gpui::Point<Pixels>,
8071 window: &mut Window,
8072 cx: &mut App,
8073 ) {
8074 let line_height = layout.position_map.line_height;
8075 let line_y = line_height * (row.as_f64() - layout.position_map.scroll_position.y) as f32;
8076
8077 let mut fragment_origin = content_origin
8078 + gpui::point(
8079 Pixels::from(-layout.position_map.scroll_pixel_position.x),
8080 line_y,
8081 );
8082
8083 for fragment in &self.fragments {
8084 match fragment {
8085 LineFragment::Text(line) => {
8086 line.paint_background(fragment_origin, line_height, window, cx)
8087 .log_err();
8088 fragment_origin.x += line.width;
8089 }
8090 LineFragment::Element { size, .. } => {
8091 fragment_origin.x += size.width;
8092 }
8093 }
8094 }
8095 }
8096
8097 fn draw_invisibles(
8098 &self,
8099 selection_ranges: &[Range<DisplayPoint>],
8100 layout: &EditorLayout,
8101 content_origin: gpui::Point<Pixels>,
8102 line_y: Pixels,
8103 row: DisplayRow,
8104 line_height: Pixels,
8105 whitespace_setting: ShowWhitespaceSetting,
8106 window: &mut Window,
8107 cx: &mut App,
8108 ) {
8109 let extract_whitespace_info = |invisible: &Invisible| {
8110 let (token_offset, token_end_offset, invisible_symbol) = match invisible {
8111 Invisible::Tab {
8112 line_start_offset,
8113 line_end_offset,
8114 } => (*line_start_offset, *line_end_offset, &layout.tab_invisible),
8115 Invisible::Whitespace { line_offset } => {
8116 (*line_offset, line_offset + 1, &layout.space_invisible)
8117 }
8118 };
8119
8120 let x_offset: ScrollPixelOffset = self.x_for_index(token_offset).into();
8121 let invisible_offset: ScrollPixelOffset =
8122 ((layout.position_map.em_width - invisible_symbol.width).max(Pixels::ZERO) / 2.0)
8123 .into();
8124 let origin = content_origin
8125 + gpui::point(
8126 Pixels::from(
8127 x_offset + invisible_offset - layout.position_map.scroll_pixel_position.x,
8128 ),
8129 line_y,
8130 );
8131
8132 (
8133 [token_offset, token_end_offset],
8134 Box::new(move |window: &mut Window, cx: &mut App| {
8135 invisible_symbol
8136 .paint(origin, line_height, window, cx)
8137 .log_err();
8138 }),
8139 )
8140 };
8141
8142 let invisible_iter = self.invisibles.iter().map(extract_whitespace_info);
8143 match whitespace_setting {
8144 ShowWhitespaceSetting::None => (),
8145 ShowWhitespaceSetting::All => invisible_iter.for_each(|(_, paint)| paint(window, cx)),
8146 ShowWhitespaceSetting::Selection => invisible_iter.for_each(|([start, _], paint)| {
8147 let invisible_point = DisplayPoint::new(row, start as u32);
8148 if !selection_ranges
8149 .iter()
8150 .any(|region| region.start <= invisible_point && invisible_point < region.end)
8151 {
8152 return;
8153 }
8154
8155 paint(window, cx);
8156 }),
8157
8158 ShowWhitespaceSetting::Trailing => {
8159 let mut previous_start = self.len;
8160 for ([start, end], paint) in invisible_iter.rev() {
8161 if previous_start != end {
8162 break;
8163 }
8164 previous_start = start;
8165 paint(window, cx);
8166 }
8167 }
8168
8169 // For a whitespace to be on a boundary, any of the following conditions need to be met:
8170 // - It is a tab
8171 // - It is adjacent to an edge (start or end)
8172 // - It is adjacent to a whitespace (left or right)
8173 ShowWhitespaceSetting::Boundary => {
8174 // 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
8175 // the above cases.
8176 // Note: We zip in the original `invisibles` to check for tab equality
8177 let mut last_seen: Option<(bool, usize, Box<dyn Fn(&mut Window, &mut App)>)> = None;
8178 for (([start, end], paint), invisible) in
8179 invisible_iter.zip_eq(self.invisibles.iter())
8180 {
8181 let should_render = match (&last_seen, invisible) {
8182 (_, Invisible::Tab { .. }) => true,
8183 (Some((_, last_end, _)), _) => *last_end == start,
8184 _ => false,
8185 };
8186
8187 if should_render || start == 0 || end == self.len {
8188 paint(window, cx);
8189
8190 // Since we are scanning from the left, we will skip over the first available whitespace that is part
8191 // of a boundary between non-whitespace segments, so we correct by manually redrawing it if needed.
8192 if let Some((should_render_last, last_end, paint_last)) = last_seen {
8193 // Note that we need to make sure that the last one is actually adjacent
8194 if !should_render_last && last_end == start {
8195 paint_last(window, cx);
8196 }
8197 }
8198 }
8199
8200 // Manually render anything within a selection
8201 let invisible_point = DisplayPoint::new(row, start as u32);
8202 if selection_ranges.iter().any(|region| {
8203 region.start <= invisible_point && invisible_point < region.end
8204 }) {
8205 paint(window, cx);
8206 }
8207
8208 last_seen = Some((should_render, end, paint));
8209 }
8210 }
8211 }
8212 }
8213
8214 pub fn x_for_index(&self, index: usize) -> Pixels {
8215 let mut fragment_start_x = Pixels::ZERO;
8216 let mut fragment_start_index = 0;
8217
8218 for fragment in &self.fragments {
8219 match fragment {
8220 LineFragment::Text(shaped_line) => {
8221 let fragment_end_index = fragment_start_index + shaped_line.len;
8222 if index < fragment_end_index {
8223 return fragment_start_x
8224 + shaped_line.x_for_index(index - fragment_start_index);
8225 }
8226 fragment_start_x += shaped_line.width;
8227 fragment_start_index = fragment_end_index;
8228 }
8229 LineFragment::Element { len, size, .. } => {
8230 let fragment_end_index = fragment_start_index + len;
8231 if index < fragment_end_index {
8232 return fragment_start_x;
8233 }
8234 fragment_start_x += size.width;
8235 fragment_start_index = fragment_end_index;
8236 }
8237 }
8238 }
8239
8240 fragment_start_x
8241 }
8242
8243 pub fn index_for_x(&self, x: Pixels) -> Option<usize> {
8244 let mut fragment_start_x = Pixels::ZERO;
8245 let mut fragment_start_index = 0;
8246
8247 for fragment in &self.fragments {
8248 match fragment {
8249 LineFragment::Text(shaped_line) => {
8250 let fragment_end_x = fragment_start_x + shaped_line.width;
8251 if x < fragment_end_x {
8252 return Some(
8253 fragment_start_index + shaped_line.index_for_x(x - fragment_start_x)?,
8254 );
8255 }
8256 fragment_start_x = fragment_end_x;
8257 fragment_start_index += shaped_line.len;
8258 }
8259 LineFragment::Element { len, size, .. } => {
8260 let fragment_end_x = fragment_start_x + size.width;
8261 if x < fragment_end_x {
8262 return Some(fragment_start_index);
8263 }
8264 fragment_start_index += len;
8265 fragment_start_x = fragment_end_x;
8266 }
8267 }
8268 }
8269
8270 None
8271 }
8272
8273 pub fn font_id_for_index(&self, index: usize) -> Option<FontId> {
8274 let mut fragment_start_index = 0;
8275
8276 for fragment in &self.fragments {
8277 match fragment {
8278 LineFragment::Text(shaped_line) => {
8279 let fragment_end_index = fragment_start_index + shaped_line.len;
8280 if index < fragment_end_index {
8281 return shaped_line.font_id_for_index(index - fragment_start_index);
8282 }
8283 fragment_start_index = fragment_end_index;
8284 }
8285 LineFragment::Element { len, .. } => {
8286 let fragment_end_index = fragment_start_index + len;
8287 if index < fragment_end_index {
8288 return None;
8289 }
8290 fragment_start_index = fragment_end_index;
8291 }
8292 }
8293 }
8294
8295 None
8296 }
8297}
8298
8299#[derive(Debug, Clone, Copy, PartialEq, Eq)]
8300enum Invisible {
8301 /// A tab character
8302 ///
8303 /// A tab character is internally represented by spaces (configured by the user's tab width)
8304 /// aligned to the nearest column, so it's necessary to store the start and end offset for
8305 /// adjacency checks.
8306 Tab {
8307 line_start_offset: usize,
8308 line_end_offset: usize,
8309 },
8310 Whitespace {
8311 line_offset: usize,
8312 },
8313}
8314
8315impl EditorElement {
8316 /// Returns the rem size to use when rendering the [`EditorElement`].
8317 ///
8318 /// This allows UI elements to scale based on the `buffer_font_size`.
8319 fn rem_size(&self, cx: &mut App) -> Option<Pixels> {
8320 match self.editor.read(cx).mode {
8321 EditorMode::Full {
8322 scale_ui_elements_with_buffer_font_size: true,
8323 ..
8324 }
8325 | EditorMode::Minimap { .. } => {
8326 let buffer_font_size = self.style.text.font_size;
8327 match buffer_font_size {
8328 AbsoluteLength::Pixels(pixels) => {
8329 let rem_size_scale = {
8330 // Our default UI font size is 14px on a 16px base scale.
8331 // This means the default UI font size is 0.875rems.
8332 let default_font_size_scale = 14. / ui::BASE_REM_SIZE_IN_PX;
8333
8334 // We then determine the delta between a single rem and the default font
8335 // size scale.
8336 let default_font_size_delta = 1. - default_font_size_scale;
8337
8338 // Finally, we add this delta to 1rem to get the scale factor that
8339 // should be used to scale up the UI.
8340 1. + default_font_size_delta
8341 };
8342
8343 Some(pixels * rem_size_scale)
8344 }
8345 AbsoluteLength::Rems(rems) => {
8346 Some(rems.to_pixels(ui::BASE_REM_SIZE_IN_PX.into()))
8347 }
8348 }
8349 }
8350 // We currently use single-line and auto-height editors in UI contexts,
8351 // so we don't want to scale everything with the buffer font size, as it
8352 // ends up looking off.
8353 _ => None,
8354 }
8355 }
8356
8357 fn editor_with_selections(&self, cx: &App) -> Option<Entity<Editor>> {
8358 if let EditorMode::Minimap { parent } = self.editor.read(cx).mode() {
8359 parent.upgrade()
8360 } else {
8361 Some(self.editor.clone())
8362 }
8363 }
8364}
8365
8366impl Element for EditorElement {
8367 type RequestLayoutState = ();
8368 type PrepaintState = EditorLayout;
8369
8370 fn id(&self) -> Option<ElementId> {
8371 None
8372 }
8373
8374 fn source_location(&self) -> Option<&'static core::panic::Location<'static>> {
8375 None
8376 }
8377
8378 fn request_layout(
8379 &mut self,
8380 _: Option<&GlobalElementId>,
8381 _inspector_id: Option<&gpui::InspectorElementId>,
8382 window: &mut Window,
8383 cx: &mut App,
8384 ) -> (gpui::LayoutId, ()) {
8385 let rem_size = self.rem_size(cx);
8386 window.with_rem_size(rem_size, |window| {
8387 self.editor.update(cx, |editor, cx| {
8388 editor.set_style(self.style.clone(), window, cx);
8389
8390 let layout_id = match editor.mode {
8391 EditorMode::SingleLine => {
8392 let rem_size = window.rem_size();
8393 let height = self.style.text.line_height_in_pixels(rem_size);
8394 let mut style = Style::default();
8395 style.size.height = height.into();
8396 style.size.width = relative(1.).into();
8397 window.request_layout(style, None, cx)
8398 }
8399 EditorMode::AutoHeight {
8400 min_lines,
8401 max_lines,
8402 } => {
8403 let editor_handle = cx.entity();
8404 let max_line_number_width =
8405 self.max_line_number_width(&editor.snapshot(window, cx), window);
8406 window.request_measured_layout(
8407 Style::default(),
8408 move |known_dimensions, available_space, window, cx| {
8409 editor_handle
8410 .update(cx, |editor, cx| {
8411 compute_auto_height_layout(
8412 editor,
8413 min_lines,
8414 max_lines,
8415 max_line_number_width,
8416 known_dimensions,
8417 available_space.width,
8418 window,
8419 cx,
8420 )
8421 })
8422 .unwrap_or_default()
8423 },
8424 )
8425 }
8426 EditorMode::Minimap { .. } => {
8427 let mut style = Style::default();
8428 style.size.width = relative(1.).into();
8429 style.size.height = relative(1.).into();
8430 window.request_layout(style, None, cx)
8431 }
8432 EditorMode::Full {
8433 sized_by_content, ..
8434 } => {
8435 let mut style = Style::default();
8436 style.size.width = relative(1.).into();
8437 if sized_by_content {
8438 let snapshot = editor.snapshot(window, cx);
8439 let line_height =
8440 self.style.text.line_height_in_pixels(window.rem_size());
8441 let scroll_height =
8442 (snapshot.max_point().row().next_row().0 as f32) * line_height;
8443 style.size.height = scroll_height.into();
8444 } else {
8445 style.size.height = relative(1.).into();
8446 }
8447 window.request_layout(style, None, cx)
8448 }
8449 };
8450
8451 (layout_id, ())
8452 })
8453 })
8454 }
8455
8456 fn prepaint(
8457 &mut self,
8458 _: Option<&GlobalElementId>,
8459 _inspector_id: Option<&gpui::InspectorElementId>,
8460 bounds: Bounds<Pixels>,
8461 _: &mut Self::RequestLayoutState,
8462 window: &mut Window,
8463 cx: &mut App,
8464 ) -> Self::PrepaintState {
8465 let text_style = TextStyleRefinement {
8466 font_size: Some(self.style.text.font_size),
8467 line_height: Some(self.style.text.line_height),
8468 ..Default::default()
8469 };
8470
8471 let is_minimap = self.editor.read(cx).mode.is_minimap();
8472
8473 if !is_minimap {
8474 let focus_handle = self.editor.focus_handle(cx);
8475 window.set_view_id(self.editor.entity_id());
8476 window.set_focus_handle(&focus_handle, cx);
8477 }
8478
8479 let rem_size = self.rem_size(cx);
8480 window.with_rem_size(rem_size, |window| {
8481 window.with_text_style(Some(text_style), |window| {
8482 window.with_content_mask(Some(ContentMask { bounds }), |window| {
8483 let (mut snapshot, is_read_only) = self.editor.update(cx, |editor, cx| {
8484 (editor.snapshot(window, cx), editor.read_only(cx))
8485 });
8486 let style = &self.style;
8487
8488 let rem_size = window.rem_size();
8489 let font_id = window.text_system().resolve_font(&style.text.font());
8490 let font_size = style.text.font_size.to_pixels(rem_size);
8491 let line_height = style.text.line_height_in_pixels(rem_size);
8492 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
8493 let em_advance = window.text_system().em_advance(font_id, font_size).unwrap();
8494 let glyph_grid_cell = size(em_advance, line_height);
8495
8496 let gutter_dimensions = snapshot
8497 .gutter_dimensions(
8498 font_id,
8499 font_size,
8500 self.max_line_number_width(&snapshot, window),
8501 cx,
8502 )
8503 .or_else(|| {
8504 self.editor.read(cx).offset_content.then(|| {
8505 GutterDimensions::default_with_margin(font_id, font_size, cx)
8506 })
8507 })
8508 .unwrap_or_default();
8509 let text_width = bounds.size.width - gutter_dimensions.width;
8510
8511 let settings = EditorSettings::get_global(cx);
8512 let scrollbars_shown = settings.scrollbar.show != ShowScrollbar::Never;
8513 let vertical_scrollbar_width = (scrollbars_shown
8514 && settings.scrollbar.axes.vertical
8515 && self.editor.read(cx).show_scrollbars.vertical)
8516 .then_some(style.scrollbar_width)
8517 .unwrap_or_default();
8518 let minimap_width = self
8519 .get_minimap_width(
8520 &settings.minimap,
8521 scrollbars_shown,
8522 text_width,
8523 em_width,
8524 font_size,
8525 rem_size,
8526 cx,
8527 )
8528 .unwrap_or_default();
8529
8530 let right_margin = minimap_width + vertical_scrollbar_width;
8531
8532 let editor_width =
8533 text_width - gutter_dimensions.margin - 2 * em_width - right_margin;
8534 let editor_margins = EditorMargins {
8535 gutter: gutter_dimensions,
8536 right: right_margin,
8537 };
8538
8539 snapshot = self.editor.update(cx, |editor, cx| {
8540 editor.last_bounds = Some(bounds);
8541 editor.gutter_dimensions = gutter_dimensions;
8542 editor.set_visible_line_count(
8543 (bounds.size.height / line_height) as f64,
8544 window,
8545 cx,
8546 );
8547 editor.set_visible_column_count(f64::from(editor_width / em_advance));
8548
8549 if matches!(
8550 editor.mode,
8551 EditorMode::AutoHeight { .. } | EditorMode::Minimap { .. }
8552 ) {
8553 snapshot
8554 } else {
8555 let wrap_width_for = |column: u32| (column as f32 * em_advance).ceil();
8556 let wrap_width = match editor.soft_wrap_mode(cx) {
8557 SoftWrap::GitDiff => None,
8558 SoftWrap::None => Some(wrap_width_for(MAX_LINE_LEN as u32 / 2)),
8559 SoftWrap::EditorWidth => Some(editor_width),
8560 SoftWrap::Column(column) => Some(wrap_width_for(column)),
8561 SoftWrap::Bounded(column) => {
8562 Some(editor_width.min(wrap_width_for(column)))
8563 }
8564 };
8565
8566 if editor.set_wrap_width(wrap_width, cx) {
8567 editor.snapshot(window, cx)
8568 } else {
8569 snapshot
8570 }
8571 }
8572 });
8573
8574 let hitbox = window.insert_hitbox(bounds, HitboxBehavior::Normal);
8575 let gutter_hitbox = window.insert_hitbox(
8576 gutter_bounds(bounds, gutter_dimensions),
8577 HitboxBehavior::Normal,
8578 );
8579 let text_hitbox = window.insert_hitbox(
8580 Bounds {
8581 origin: gutter_hitbox.top_right(),
8582 size: size(text_width, bounds.size.height),
8583 },
8584 HitboxBehavior::Normal,
8585 );
8586
8587 // Offset the content_bounds from the text_bounds by the gutter margin (which
8588 // is roughly half a character wide) to make hit testing work more like how we want.
8589 let content_offset = point(editor_margins.gutter.margin, Pixels::ZERO);
8590 let content_origin = text_hitbox.origin + content_offset;
8591
8592 let height_in_lines = f64::from(bounds.size.height / line_height);
8593 let max_row = snapshot.max_point().row().as_f64();
8594
8595 // The max scroll position for the top of the window
8596 let max_scroll_top = if matches!(
8597 snapshot.mode,
8598 EditorMode::SingleLine
8599 | EditorMode::AutoHeight { .. }
8600 | EditorMode::Full {
8601 sized_by_content: true,
8602 ..
8603 }
8604 ) {
8605 (max_row - height_in_lines + 1.).max(0.)
8606 } else {
8607 let settings = EditorSettings::get_global(cx);
8608 match settings.scroll_beyond_last_line {
8609 ScrollBeyondLastLine::OnePage => max_row,
8610 ScrollBeyondLastLine::Off => (max_row - height_in_lines + 1.).max(0.),
8611 ScrollBeyondLastLine::VerticalScrollMargin => {
8612 (max_row - height_in_lines + 1. + settings.vertical_scroll_margin)
8613 .max(0.)
8614 }
8615 }
8616 };
8617
8618 let (
8619 autoscroll_request,
8620 autoscroll_containing_element,
8621 needs_horizontal_autoscroll,
8622 ) = self.editor.update(cx, |editor, cx| {
8623 let autoscroll_request = editor.scroll_manager.take_autoscroll_request();
8624
8625 let autoscroll_containing_element =
8626 autoscroll_request.is_some() || editor.has_pending_selection();
8627
8628 let (needs_horizontal_autoscroll, was_scrolled) = editor
8629 .autoscroll_vertically(
8630 bounds,
8631 line_height,
8632 max_scroll_top,
8633 autoscroll_request,
8634 window,
8635 cx,
8636 );
8637 if was_scrolled.0 {
8638 snapshot = editor.snapshot(window, cx);
8639 }
8640 (
8641 autoscroll_request,
8642 autoscroll_containing_element,
8643 needs_horizontal_autoscroll,
8644 )
8645 });
8646
8647 let mut scroll_position = snapshot.scroll_position();
8648 // The scroll position is a fractional point, the whole number of which represents
8649 // the top of the window in terms of display rows.
8650 let start_row = DisplayRow(scroll_position.y as u32);
8651 let max_row = snapshot.max_point().row();
8652 let end_row = cmp::min(
8653 (scroll_position.y + height_in_lines).ceil() as u32,
8654 max_row.next_row().0,
8655 );
8656 let end_row = DisplayRow(end_row);
8657
8658 let row_infos = snapshot
8659 .row_infos(start_row)
8660 .take((start_row..end_row).len())
8661 .collect::<Vec<RowInfo>>();
8662 let is_row_soft_wrapped = |row: usize| {
8663 row_infos
8664 .get(row)
8665 .is_none_or(|info| info.buffer_row.is_none())
8666 };
8667
8668 let start_anchor = if start_row == Default::default() {
8669 Anchor::min()
8670 } else {
8671 snapshot.buffer_snapshot().anchor_before(
8672 DisplayPoint::new(start_row, 0).to_offset(&snapshot, Bias::Left),
8673 )
8674 };
8675 let end_anchor = if end_row > max_row {
8676 Anchor::max()
8677 } else {
8678 snapshot.buffer_snapshot().anchor_before(
8679 DisplayPoint::new(end_row, 0).to_offset(&snapshot, Bias::Right),
8680 )
8681 };
8682
8683 let mut highlighted_rows = self
8684 .editor
8685 .update(cx, |editor, cx| editor.highlighted_display_rows(window, cx));
8686
8687 let is_light = cx.theme().appearance().is_light();
8688
8689 for (ix, row_info) in row_infos.iter().enumerate() {
8690 let Some(diff_status) = row_info.diff_status else {
8691 continue;
8692 };
8693
8694 let background_color = match diff_status.kind {
8695 DiffHunkStatusKind::Added => cx.theme().colors().version_control_added,
8696 DiffHunkStatusKind::Deleted => {
8697 cx.theme().colors().version_control_deleted
8698 }
8699 DiffHunkStatusKind::Modified => {
8700 debug_panic!("modified diff status for row info");
8701 continue;
8702 }
8703 };
8704
8705 let hunk_opacity = if is_light { 0.16 } else { 0.12 };
8706
8707 let hollow_highlight = LineHighlight {
8708 background: (background_color.opacity(if is_light {
8709 0.08
8710 } else {
8711 0.06
8712 }))
8713 .into(),
8714 border: Some(if is_light {
8715 background_color.opacity(0.48)
8716 } else {
8717 background_color.opacity(0.36)
8718 }),
8719 include_gutter: true,
8720 type_id: None,
8721 };
8722
8723 let filled_highlight = LineHighlight {
8724 background: solid_background(background_color.opacity(hunk_opacity)),
8725 border: None,
8726 include_gutter: true,
8727 type_id: None,
8728 };
8729
8730 let background = if Self::diff_hunk_hollow(diff_status, cx) {
8731 hollow_highlight
8732 } else {
8733 filled_highlight
8734 };
8735
8736 highlighted_rows
8737 .entry(start_row + DisplayRow(ix as u32))
8738 .or_insert(background);
8739 }
8740
8741 let highlighted_ranges = self
8742 .editor_with_selections(cx)
8743 .map(|editor| {
8744 editor.read(cx).background_highlights_in_range(
8745 start_anchor..end_anchor,
8746 &snapshot.display_snapshot,
8747 cx.theme(),
8748 )
8749 })
8750 .unwrap_or_default();
8751 let highlighted_gutter_ranges =
8752 self.editor.read(cx).gutter_highlights_in_range(
8753 start_anchor..end_anchor,
8754 &snapshot.display_snapshot,
8755 cx,
8756 );
8757
8758 let document_colors = self
8759 .editor
8760 .read(cx)
8761 .colors
8762 .as_ref()
8763 .map(|colors| colors.editor_display_highlights(&snapshot));
8764 let redacted_ranges = self.editor.read(cx).redacted_ranges(
8765 start_anchor..end_anchor,
8766 &snapshot.display_snapshot,
8767 cx,
8768 );
8769
8770 let (local_selections, selected_buffer_ids): (
8771 Vec<Selection<Point>>,
8772 Vec<BufferId>,
8773 ) = self
8774 .editor_with_selections(cx)
8775 .map(|editor| {
8776 editor.update(cx, |editor, cx| {
8777 let all_selections = editor.selections.all::<Point>(cx);
8778 let selected_buffer_ids =
8779 if editor.buffer_kind(cx) == ItemBufferKind::Singleton {
8780 Vec::new()
8781 } else {
8782 let mut selected_buffer_ids =
8783 Vec::with_capacity(all_selections.len());
8784
8785 for selection in all_selections {
8786 for buffer_id in snapshot
8787 .buffer_snapshot()
8788 .buffer_ids_for_range(selection.range())
8789 {
8790 if selected_buffer_ids.last() != Some(&buffer_id) {
8791 selected_buffer_ids.push(buffer_id);
8792 }
8793 }
8794 }
8795
8796 selected_buffer_ids
8797 };
8798
8799 let mut selections = editor
8800 .selections
8801 .disjoint_in_range(start_anchor..end_anchor, cx);
8802 selections.extend(editor.selections.pending(cx));
8803
8804 (selections, selected_buffer_ids)
8805 })
8806 })
8807 .unwrap_or_default();
8808
8809 let (selections, mut active_rows, newest_selection_head) = self
8810 .layout_selections(
8811 start_anchor,
8812 end_anchor,
8813 &local_selections,
8814 &snapshot,
8815 start_row,
8816 end_row,
8817 window,
8818 cx,
8819 );
8820 let mut breakpoint_rows = self.editor.update(cx, |editor, cx| {
8821 editor.active_breakpoints(start_row..end_row, window, cx)
8822 });
8823 for (display_row, (_, bp, state)) in &breakpoint_rows {
8824 if bp.is_enabled() && state.is_none_or(|s| s.verified) {
8825 active_rows.entry(*display_row).or_default().breakpoint = true;
8826 }
8827 }
8828
8829 let line_numbers = self.layout_line_numbers(
8830 Some(&gutter_hitbox),
8831 gutter_dimensions,
8832 line_height,
8833 scroll_position,
8834 start_row..end_row,
8835 &row_infos,
8836 &active_rows,
8837 newest_selection_head,
8838 &snapshot,
8839 window,
8840 cx,
8841 );
8842
8843 // We add the gutter breakpoint indicator to breakpoint_rows after painting
8844 // line numbers so we don't paint a line number debug accent color if a user
8845 // has their mouse over that line when a breakpoint isn't there
8846 self.editor.update(cx, |editor, _| {
8847 if let Some(phantom_breakpoint) = &mut editor
8848 .gutter_breakpoint_indicator
8849 .0
8850 .filter(|phantom_breakpoint| phantom_breakpoint.is_active)
8851 {
8852 // Is there a non-phantom breakpoint on this line?
8853 phantom_breakpoint.collides_with_existing_breakpoint = true;
8854 breakpoint_rows
8855 .entry(phantom_breakpoint.display_row)
8856 .or_insert_with(|| {
8857 let position = snapshot.display_point_to_anchor(
8858 DisplayPoint::new(phantom_breakpoint.display_row, 0),
8859 Bias::Right,
8860 );
8861 let breakpoint = Breakpoint::new_standard();
8862 phantom_breakpoint.collides_with_existing_breakpoint = false;
8863 (position, breakpoint, None)
8864 });
8865 }
8866 });
8867
8868 let mut expand_toggles =
8869 window.with_element_namespace("expand_toggles", |window| {
8870 self.layout_expand_toggles(
8871 &gutter_hitbox,
8872 gutter_dimensions,
8873 em_width,
8874 line_height,
8875 scroll_position,
8876 &row_infos,
8877 window,
8878 cx,
8879 )
8880 });
8881
8882 let mut crease_toggles =
8883 window.with_element_namespace("crease_toggles", |window| {
8884 self.layout_crease_toggles(
8885 start_row..end_row,
8886 &row_infos,
8887 &active_rows,
8888 &snapshot,
8889 window,
8890 cx,
8891 )
8892 });
8893 let crease_trailers =
8894 window.with_element_namespace("crease_trailers", |window| {
8895 self.layout_crease_trailers(
8896 row_infos.iter().copied(),
8897 &snapshot,
8898 window,
8899 cx,
8900 )
8901 });
8902
8903 let display_hunks = self.layout_gutter_diff_hunks(
8904 line_height,
8905 &gutter_hitbox,
8906 start_row..end_row,
8907 &snapshot,
8908 window,
8909 cx,
8910 );
8911
8912 let bg_segments_per_row = Self::bg_segments_per_row(
8913 start_row..end_row,
8914 &selections,
8915 &highlighted_ranges,
8916 self.style.background,
8917 );
8918
8919 let mut line_layouts = Self::layout_lines(
8920 start_row..end_row,
8921 &snapshot,
8922 &self.style,
8923 editor_width,
8924 is_row_soft_wrapped,
8925 &bg_segments_per_row,
8926 window,
8927 cx,
8928 );
8929 let new_renderer_widths = (!is_minimap).then(|| {
8930 line_layouts
8931 .iter()
8932 .flat_map(|layout| &layout.fragments)
8933 .filter_map(|fragment| {
8934 if let LineFragment::Element { id, size, .. } = fragment {
8935 Some((*id, size.width))
8936 } else {
8937 None
8938 }
8939 })
8940 });
8941 if new_renderer_widths.is_some_and(|new_renderer_widths| {
8942 self.editor.update(cx, |editor, cx| {
8943 editor.update_renderer_widths(new_renderer_widths, cx)
8944 })
8945 }) {
8946 // If the fold widths have changed, we need to prepaint
8947 // the element again to account for any changes in
8948 // wrapping.
8949 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
8950 }
8951
8952 let longest_line_blame_width = self
8953 .editor
8954 .update(cx, |editor, cx| {
8955 if !editor.show_git_blame_inline {
8956 return None;
8957 }
8958 let blame = editor.blame.as_ref()?;
8959 let (_, blame_entry) = blame
8960 .update(cx, |blame, cx| {
8961 let row_infos =
8962 snapshot.row_infos(snapshot.longest_row()).next()?;
8963 blame.blame_for_rows(&[row_infos], cx).next()
8964 })
8965 .flatten()?;
8966 let mut element = render_inline_blame_entry(blame_entry, style, cx)?;
8967 let inline_blame_padding =
8968 ProjectSettings::get_global(cx).git.inline_blame.padding as f32
8969 * em_advance;
8970 Some(
8971 element
8972 .layout_as_root(AvailableSpace::min_size(), window, cx)
8973 .width
8974 + inline_blame_padding,
8975 )
8976 })
8977 .unwrap_or(Pixels::ZERO);
8978
8979 let longest_line_width = layout_line(
8980 snapshot.longest_row(),
8981 &snapshot,
8982 style,
8983 editor_width,
8984 is_row_soft_wrapped,
8985 window,
8986 cx,
8987 )
8988 .width;
8989
8990 let scrollbar_layout_information = ScrollbarLayoutInformation::new(
8991 text_hitbox.bounds,
8992 glyph_grid_cell,
8993 size(
8994 longest_line_width,
8995 Pixels::from(max_row.as_f64() * f64::from(line_height)),
8996 ),
8997 longest_line_blame_width,
8998 EditorSettings::get_global(cx),
8999 );
9000
9001 let mut scroll_width = scrollbar_layout_information.scroll_range.width;
9002
9003 let sticky_header_excerpt = if snapshot.buffer_snapshot().show_headers() {
9004 snapshot.sticky_header_excerpt(scroll_position.y)
9005 } else {
9006 None
9007 };
9008 let sticky_header_excerpt_id =
9009 sticky_header_excerpt.as_ref().map(|top| top.excerpt.id);
9010
9011 let blocks = (!is_minimap)
9012 .then(|| {
9013 window.with_element_namespace("blocks", |window| {
9014 self.render_blocks(
9015 start_row..end_row,
9016 &snapshot,
9017 &hitbox,
9018 &text_hitbox,
9019 editor_width,
9020 &mut scroll_width,
9021 &editor_margins,
9022 em_width,
9023 gutter_dimensions.full_width(),
9024 line_height,
9025 &mut line_layouts,
9026 &local_selections,
9027 &selected_buffer_ids,
9028 is_row_soft_wrapped,
9029 sticky_header_excerpt_id,
9030 window,
9031 cx,
9032 )
9033 })
9034 })
9035 .unwrap_or_else(|| Ok((Vec::default(), HashMap::default())));
9036 let (mut blocks, row_block_types) = match blocks {
9037 Ok(blocks) => blocks,
9038 Err(resized_blocks) => {
9039 self.editor.update(cx, |editor, cx| {
9040 editor.resize_blocks(
9041 resized_blocks,
9042 autoscroll_request.map(|(autoscroll, _)| autoscroll),
9043 cx,
9044 )
9045 });
9046 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
9047 }
9048 };
9049
9050 let sticky_buffer_header = sticky_header_excerpt.map(|sticky_header_excerpt| {
9051 window.with_element_namespace("blocks", |window| {
9052 self.layout_sticky_buffer_header(
9053 sticky_header_excerpt,
9054 scroll_position,
9055 line_height,
9056 right_margin,
9057 &snapshot,
9058 &hitbox,
9059 &selected_buffer_ids,
9060 &blocks,
9061 window,
9062 cx,
9063 )
9064 })
9065 });
9066
9067 let start_buffer_row =
9068 MultiBufferRow(start_anchor.to_point(&snapshot.buffer_snapshot()).row);
9069 let end_buffer_row =
9070 MultiBufferRow(end_anchor.to_point(&snapshot.buffer_snapshot()).row);
9071
9072 let scroll_max: gpui::Point<ScrollPixelOffset> = point(
9073 ScrollPixelOffset::from(
9074 ((scroll_width - editor_width) / em_advance).max(0.0),
9075 ),
9076 max_scroll_top,
9077 );
9078
9079 self.editor.update(cx, |editor, cx| {
9080 if editor.scroll_manager.clamp_scroll_left(scroll_max.x) {
9081 scroll_position.x = scroll_position.x.min(scroll_max.x);
9082 }
9083
9084 if needs_horizontal_autoscroll.0
9085 && let Some(new_scroll_position) = editor.autoscroll_horizontally(
9086 start_row,
9087 editor_width,
9088 scroll_width,
9089 em_advance,
9090 &line_layouts,
9091 autoscroll_request,
9092 window,
9093 cx,
9094 )
9095 {
9096 scroll_position = new_scroll_position;
9097 }
9098 });
9099
9100 let scroll_pixel_position = point(
9101 scroll_position.x * f64::from(em_advance),
9102 scroll_position.y * f64::from(line_height),
9103 );
9104 let indent_guides = self.layout_indent_guides(
9105 content_origin,
9106 text_hitbox.origin,
9107 start_buffer_row..end_buffer_row,
9108 scroll_pixel_position,
9109 line_height,
9110 &snapshot,
9111 window,
9112 cx,
9113 );
9114
9115 let crease_trailers =
9116 window.with_element_namespace("crease_trailers", |window| {
9117 self.prepaint_crease_trailers(
9118 crease_trailers,
9119 &line_layouts,
9120 line_height,
9121 content_origin,
9122 scroll_pixel_position,
9123 em_width,
9124 window,
9125 cx,
9126 )
9127 });
9128
9129 let (edit_prediction_popover, edit_prediction_popover_origin) = self
9130 .editor
9131 .update(cx, |editor, cx| {
9132 editor.render_edit_prediction_popover(
9133 &text_hitbox.bounds,
9134 content_origin,
9135 right_margin,
9136 &snapshot,
9137 start_row..end_row,
9138 scroll_position.y,
9139 scroll_position.y + height_in_lines,
9140 &line_layouts,
9141 line_height,
9142 scroll_position,
9143 scroll_pixel_position,
9144 newest_selection_head,
9145 editor_width,
9146 style,
9147 window,
9148 cx,
9149 )
9150 })
9151 .unzip();
9152
9153 let mut inline_diagnostics = self.layout_inline_diagnostics(
9154 &line_layouts,
9155 &crease_trailers,
9156 &row_block_types,
9157 content_origin,
9158 scroll_position,
9159 scroll_pixel_position,
9160 edit_prediction_popover_origin,
9161 start_row,
9162 end_row,
9163 line_height,
9164 em_width,
9165 style,
9166 window,
9167 cx,
9168 );
9169
9170 let mut inline_blame_layout = None;
9171 let mut inline_code_actions = None;
9172 if let Some(newest_selection_head) = newest_selection_head {
9173 let display_row = newest_selection_head.row();
9174 if (start_row..end_row).contains(&display_row)
9175 && !row_block_types.contains_key(&display_row)
9176 {
9177 inline_code_actions = self.layout_inline_code_actions(
9178 newest_selection_head,
9179 content_origin,
9180 scroll_position,
9181 scroll_pixel_position,
9182 line_height,
9183 &snapshot,
9184 window,
9185 cx,
9186 );
9187
9188 let line_ix = display_row.minus(start_row) as usize;
9189 if let (Some(row_info), Some(line_layout), Some(crease_trailer)) = (
9190 row_infos.get(line_ix),
9191 line_layouts.get(line_ix),
9192 crease_trailers.get(line_ix),
9193 ) {
9194 let crease_trailer_layout = crease_trailer.as_ref();
9195 if let Some(layout) = self.layout_inline_blame(
9196 display_row,
9197 row_info,
9198 line_layout,
9199 crease_trailer_layout,
9200 em_width,
9201 content_origin,
9202 scroll_position,
9203 scroll_pixel_position,
9204 line_height,
9205 &text_hitbox,
9206 window,
9207 cx,
9208 ) {
9209 inline_blame_layout = Some(layout);
9210 // Blame overrides inline diagnostics
9211 inline_diagnostics.remove(&display_row);
9212 }
9213 } else {
9214 log::error!(
9215 "bug: line_ix {} is out of bounds - row_infos.len(): {}, \
9216 line_layouts.len(): {}, \
9217 crease_trailers.len(): {}",
9218 line_ix,
9219 row_infos.len(),
9220 line_layouts.len(),
9221 crease_trailers.len(),
9222 );
9223 }
9224 }
9225 }
9226
9227 let blamed_display_rows = self.layout_blame_entries(
9228 &row_infos,
9229 em_width,
9230 scroll_position,
9231 line_height,
9232 &gutter_hitbox,
9233 gutter_dimensions.git_blame_entries_width,
9234 window,
9235 cx,
9236 );
9237
9238 let line_elements = self.prepaint_lines(
9239 start_row,
9240 &mut line_layouts,
9241 line_height,
9242 scroll_position,
9243 scroll_pixel_position,
9244 content_origin,
9245 window,
9246 cx,
9247 );
9248
9249 window.with_element_namespace("blocks", |window| {
9250 self.layout_blocks(
9251 &mut blocks,
9252 &hitbox,
9253 line_height,
9254 scroll_position,
9255 scroll_pixel_position,
9256 window,
9257 cx,
9258 );
9259 });
9260
9261 let cursors = self.collect_cursors(&snapshot, cx);
9262 let visible_row_range = start_row..end_row;
9263 let non_visible_cursors = cursors
9264 .iter()
9265 .any(|c| !visible_row_range.contains(&c.0.row()));
9266
9267 let visible_cursors = self.layout_visible_cursors(
9268 &snapshot,
9269 &selections,
9270 &row_block_types,
9271 start_row..end_row,
9272 &line_layouts,
9273 &text_hitbox,
9274 content_origin,
9275 scroll_position,
9276 scroll_pixel_position,
9277 line_height,
9278 em_width,
9279 em_advance,
9280 autoscroll_containing_element,
9281 window,
9282 cx,
9283 );
9284
9285 let scrollbars_layout = self.layout_scrollbars(
9286 &snapshot,
9287 &scrollbar_layout_information,
9288 content_offset,
9289 scroll_position,
9290 non_visible_cursors,
9291 right_margin,
9292 editor_width,
9293 window,
9294 cx,
9295 );
9296
9297 let gutter_settings = EditorSettings::get_global(cx).gutter;
9298
9299 let context_menu_layout =
9300 if let Some(newest_selection_head) = newest_selection_head {
9301 let newest_selection_point =
9302 newest_selection_head.to_point(&snapshot.display_snapshot);
9303 if (start_row..end_row).contains(&newest_selection_head.row()) {
9304 self.layout_cursor_popovers(
9305 line_height,
9306 &text_hitbox,
9307 content_origin,
9308 right_margin,
9309 start_row,
9310 scroll_pixel_position,
9311 &line_layouts,
9312 newest_selection_head,
9313 newest_selection_point,
9314 style,
9315 window,
9316 cx,
9317 )
9318 } else {
9319 None
9320 }
9321 } else {
9322 None
9323 };
9324
9325 self.layout_gutter_menu(
9326 line_height,
9327 &text_hitbox,
9328 content_origin,
9329 right_margin,
9330 scroll_pixel_position,
9331 gutter_dimensions.width - gutter_dimensions.left_padding,
9332 window,
9333 cx,
9334 );
9335
9336 let test_indicators = if gutter_settings.runnables {
9337 self.layout_run_indicators(
9338 line_height,
9339 start_row..end_row,
9340 &row_infos,
9341 scroll_position,
9342 &gutter_dimensions,
9343 &gutter_hitbox,
9344 &display_hunks,
9345 &snapshot,
9346 &mut breakpoint_rows,
9347 window,
9348 cx,
9349 )
9350 } else {
9351 Vec::new()
9352 };
9353
9354 let show_breakpoints = snapshot
9355 .show_breakpoints
9356 .unwrap_or(gutter_settings.breakpoints);
9357 let breakpoints = if show_breakpoints {
9358 self.layout_breakpoints(
9359 line_height,
9360 start_row..end_row,
9361 scroll_position,
9362 &gutter_dimensions,
9363 &gutter_hitbox,
9364 &display_hunks,
9365 &snapshot,
9366 breakpoint_rows,
9367 &row_infos,
9368 window,
9369 cx,
9370 )
9371 } else {
9372 Vec::new()
9373 };
9374
9375 self.layout_signature_help(
9376 &hitbox,
9377 content_origin,
9378 scroll_pixel_position,
9379 newest_selection_head,
9380 start_row,
9381 &line_layouts,
9382 line_height,
9383 em_width,
9384 context_menu_layout,
9385 window,
9386 cx,
9387 );
9388
9389 if !cx.has_active_drag() {
9390 self.layout_hover_popovers(
9391 &snapshot,
9392 &hitbox,
9393 start_row..end_row,
9394 content_origin,
9395 scroll_pixel_position,
9396 &line_layouts,
9397 line_height,
9398 em_width,
9399 context_menu_layout,
9400 window,
9401 cx,
9402 );
9403 }
9404
9405 let mouse_context_menu = self.layout_mouse_context_menu(
9406 &snapshot,
9407 start_row..end_row,
9408 content_origin,
9409 window,
9410 cx,
9411 );
9412
9413 window.with_element_namespace("crease_toggles", |window| {
9414 self.prepaint_crease_toggles(
9415 &mut crease_toggles,
9416 line_height,
9417 &gutter_dimensions,
9418 gutter_settings,
9419 scroll_pixel_position,
9420 &gutter_hitbox,
9421 window,
9422 cx,
9423 )
9424 });
9425
9426 window.with_element_namespace("expand_toggles", |window| {
9427 self.prepaint_expand_toggles(&mut expand_toggles, window, cx)
9428 });
9429
9430 let wrap_guides = self.layout_wrap_guides(
9431 em_advance,
9432 scroll_position,
9433 content_origin,
9434 scrollbars_layout.as_ref(),
9435 vertical_scrollbar_width,
9436 &hitbox,
9437 window,
9438 cx,
9439 );
9440
9441 let minimap = window.with_element_namespace("minimap", |window| {
9442 self.layout_minimap(
9443 &snapshot,
9444 minimap_width,
9445 scroll_position,
9446 &scrollbar_layout_information,
9447 scrollbars_layout.as_ref(),
9448 window,
9449 cx,
9450 )
9451 });
9452
9453 let invisible_symbol_font_size = font_size / 2.;
9454 let whitespace_map = &self
9455 .editor
9456 .read(cx)
9457 .buffer
9458 .read(cx)
9459 .language_settings(cx)
9460 .whitespace_map;
9461
9462 let tab_char = whitespace_map.tab.clone();
9463 let tab_len = tab_char.len();
9464 let tab_invisible = window.text_system().shape_line(
9465 tab_char,
9466 invisible_symbol_font_size,
9467 &[TextRun {
9468 len: tab_len,
9469 font: self.style.text.font(),
9470 color: cx.theme().colors().editor_invisible,
9471 background_color: None,
9472 underline: None,
9473 strikethrough: None,
9474 }],
9475 None,
9476 );
9477
9478 let space_char = whitespace_map.space.clone();
9479 let space_len = space_char.len();
9480 let space_invisible = window.text_system().shape_line(
9481 space_char,
9482 invisible_symbol_font_size,
9483 &[TextRun {
9484 len: space_len,
9485 font: self.style.text.font(),
9486 color: cx.theme().colors().editor_invisible,
9487 background_color: None,
9488 underline: None,
9489 strikethrough: None,
9490 }],
9491 None,
9492 );
9493
9494 let mode = snapshot.mode.clone();
9495
9496 let (diff_hunk_controls, diff_hunk_control_bounds) = if is_read_only {
9497 (vec![], vec![])
9498 } else {
9499 self.layout_diff_hunk_controls(
9500 start_row..end_row,
9501 &row_infos,
9502 &text_hitbox,
9503 newest_selection_head,
9504 line_height,
9505 right_margin,
9506 scroll_pixel_position,
9507 &display_hunks,
9508 &highlighted_rows,
9509 self.editor.clone(),
9510 window,
9511 cx,
9512 )
9513 };
9514
9515 let position_map = Rc::new(PositionMap {
9516 size: bounds.size,
9517 visible_row_range,
9518 scroll_position,
9519 scroll_pixel_position,
9520 scroll_max,
9521 line_layouts,
9522 line_height,
9523 em_width,
9524 em_advance,
9525 snapshot,
9526 gutter_hitbox: gutter_hitbox.clone(),
9527 text_hitbox: text_hitbox.clone(),
9528 inline_blame_bounds: inline_blame_layout
9529 .as_ref()
9530 .map(|layout| (layout.bounds, layout.buffer_id, layout.entry.clone())),
9531 display_hunks: display_hunks.clone(),
9532 diff_hunk_control_bounds,
9533 });
9534
9535 self.editor.update(cx, |editor, _| {
9536 editor.last_position_map = Some(position_map.clone())
9537 });
9538
9539 EditorLayout {
9540 mode,
9541 position_map,
9542 visible_display_row_range: start_row..end_row,
9543 wrap_guides,
9544 indent_guides,
9545 hitbox,
9546 gutter_hitbox,
9547 display_hunks,
9548 content_origin,
9549 scrollbars_layout,
9550 minimap,
9551 active_rows,
9552 highlighted_rows,
9553 highlighted_ranges,
9554 highlighted_gutter_ranges,
9555 redacted_ranges,
9556 document_colors,
9557 line_elements,
9558 line_numbers,
9559 blamed_display_rows,
9560 inline_diagnostics,
9561 inline_blame_layout,
9562 inline_code_actions,
9563 blocks,
9564 cursors,
9565 visible_cursors,
9566 selections,
9567 edit_prediction_popover,
9568 diff_hunk_controls,
9569 mouse_context_menu,
9570 test_indicators,
9571 breakpoints,
9572 crease_toggles,
9573 crease_trailers,
9574 tab_invisible,
9575 space_invisible,
9576 sticky_buffer_header,
9577 expand_toggles,
9578 }
9579 })
9580 })
9581 })
9582 }
9583
9584 fn paint(
9585 &mut self,
9586 _: Option<&GlobalElementId>,
9587 _inspector_id: Option<&gpui::InspectorElementId>,
9588 bounds: Bounds<gpui::Pixels>,
9589 _: &mut Self::RequestLayoutState,
9590 layout: &mut Self::PrepaintState,
9591 window: &mut Window,
9592 cx: &mut App,
9593 ) {
9594 if !layout.mode.is_minimap() {
9595 let focus_handle = self.editor.focus_handle(cx);
9596 let key_context = self
9597 .editor
9598 .update(cx, |editor, cx| editor.key_context(window, cx));
9599
9600 window.set_key_context(key_context);
9601 window.handle_input(
9602 &focus_handle,
9603 ElementInputHandler::new(bounds, self.editor.clone()),
9604 cx,
9605 );
9606 self.register_actions(window, cx);
9607 self.register_key_listeners(window, cx, layout);
9608 }
9609
9610 let text_style = TextStyleRefinement {
9611 font_size: Some(self.style.text.font_size),
9612 line_height: Some(self.style.text.line_height),
9613 ..Default::default()
9614 };
9615 let rem_size = self.rem_size(cx);
9616 window.with_rem_size(rem_size, |window| {
9617 window.with_text_style(Some(text_style), |window| {
9618 window.with_content_mask(Some(ContentMask { bounds }), |window| {
9619 self.paint_mouse_listeners(layout, window, cx);
9620 self.paint_background(layout, window, cx);
9621 self.paint_indent_guides(layout, window, cx);
9622
9623 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9624 self.paint_blamed_display_rows(layout, window, cx);
9625 self.paint_line_numbers(layout, window, cx);
9626 }
9627
9628 self.paint_text(layout, window, cx);
9629
9630 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9631 self.paint_gutter_highlights(layout, window, cx);
9632 self.paint_gutter_indicators(layout, window, cx);
9633 }
9634
9635 if !layout.blocks.is_empty() {
9636 window.with_element_namespace("blocks", |window| {
9637 self.paint_blocks(layout, window, cx);
9638 });
9639 }
9640
9641 window.with_element_namespace("blocks", |window| {
9642 if let Some(mut sticky_header) = layout.sticky_buffer_header.take() {
9643 sticky_header.paint(window, cx)
9644 }
9645 });
9646
9647 self.paint_minimap(layout, window, cx);
9648 self.paint_scrollbars(layout, window, cx);
9649 self.paint_edit_prediction_popover(layout, window, cx);
9650 self.paint_mouse_context_menu(layout, window, cx);
9651 });
9652 })
9653 })
9654 }
9655}
9656
9657pub(super) fn gutter_bounds(
9658 editor_bounds: Bounds<Pixels>,
9659 gutter_dimensions: GutterDimensions,
9660) -> Bounds<Pixels> {
9661 Bounds {
9662 origin: editor_bounds.origin,
9663 size: size(gutter_dimensions.width, editor_bounds.size.height),
9664 }
9665}
9666
9667#[derive(Clone, Copy)]
9668struct ContextMenuLayout {
9669 y_flipped: bool,
9670 bounds: Bounds<Pixels>,
9671}
9672
9673/// Holds information required for layouting the editor scrollbars.
9674struct ScrollbarLayoutInformation {
9675 /// The bounds of the editor area (excluding the content offset).
9676 editor_bounds: Bounds<Pixels>,
9677 /// The available range to scroll within the document.
9678 scroll_range: Size<Pixels>,
9679 /// The space available for one glyph in the editor.
9680 glyph_grid_cell: Size<Pixels>,
9681}
9682
9683impl ScrollbarLayoutInformation {
9684 pub fn new(
9685 editor_bounds: Bounds<Pixels>,
9686 glyph_grid_cell: Size<Pixels>,
9687 document_size: Size<Pixels>,
9688 longest_line_blame_width: Pixels,
9689 settings: &EditorSettings,
9690 ) -> Self {
9691 let vertical_overscroll = match settings.scroll_beyond_last_line {
9692 ScrollBeyondLastLine::OnePage => editor_bounds.size.height,
9693 ScrollBeyondLastLine::Off => glyph_grid_cell.height,
9694 ScrollBeyondLastLine::VerticalScrollMargin => {
9695 (1.0 + settings.vertical_scroll_margin) as f32 * glyph_grid_cell.height
9696 }
9697 };
9698
9699 let overscroll = size(longest_line_blame_width, vertical_overscroll);
9700
9701 ScrollbarLayoutInformation {
9702 editor_bounds,
9703 scroll_range: document_size + overscroll,
9704 glyph_grid_cell,
9705 }
9706 }
9707}
9708
9709impl IntoElement for EditorElement {
9710 type Element = Self;
9711
9712 fn into_element(self) -> Self::Element {
9713 self
9714 }
9715}
9716
9717pub struct EditorLayout {
9718 position_map: Rc<PositionMap>,
9719 hitbox: Hitbox,
9720 gutter_hitbox: Hitbox,
9721 content_origin: gpui::Point<Pixels>,
9722 scrollbars_layout: Option<EditorScrollbars>,
9723 minimap: Option<MinimapLayout>,
9724 mode: EditorMode,
9725 wrap_guides: SmallVec<[(Pixels, bool); 2]>,
9726 indent_guides: Option<Vec<IndentGuideLayout>>,
9727 visible_display_row_range: Range<DisplayRow>,
9728 active_rows: BTreeMap<DisplayRow, LineHighlightSpec>,
9729 highlighted_rows: BTreeMap<DisplayRow, LineHighlight>,
9730 line_elements: SmallVec<[AnyElement; 1]>,
9731 line_numbers: Arc<HashMap<MultiBufferRow, LineNumberLayout>>,
9732 display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
9733 blamed_display_rows: Option<Vec<AnyElement>>,
9734 inline_diagnostics: HashMap<DisplayRow, AnyElement>,
9735 inline_blame_layout: Option<InlineBlameLayout>,
9736 inline_code_actions: Option<AnyElement>,
9737 blocks: Vec<BlockLayout>,
9738 highlighted_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9739 highlighted_gutter_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9740 redacted_ranges: Vec<Range<DisplayPoint>>,
9741 cursors: Vec<(DisplayPoint, Hsla)>,
9742 visible_cursors: Vec<CursorLayout>,
9743 selections: Vec<(PlayerColor, Vec<SelectionLayout>)>,
9744 test_indicators: Vec<AnyElement>,
9745 breakpoints: Vec<AnyElement>,
9746 crease_toggles: Vec<Option<AnyElement>>,
9747 expand_toggles: Vec<Option<(AnyElement, gpui::Point<Pixels>)>>,
9748 diff_hunk_controls: Vec<AnyElement>,
9749 crease_trailers: Vec<Option<CreaseTrailerLayout>>,
9750 edit_prediction_popover: Option<AnyElement>,
9751 mouse_context_menu: Option<AnyElement>,
9752 tab_invisible: ShapedLine,
9753 space_invisible: ShapedLine,
9754 sticky_buffer_header: Option<AnyElement>,
9755 document_colors: Option<(DocumentColorsRenderMode, Vec<(Range<DisplayPoint>, Hsla)>)>,
9756}
9757
9758impl EditorLayout {
9759 fn line_end_overshoot(&self) -> Pixels {
9760 0.15 * self.position_map.line_height
9761 }
9762}
9763
9764struct LineNumberLayout {
9765 shaped_line: ShapedLine,
9766 hitbox: Option<Hitbox>,
9767}
9768
9769struct ColoredRange<T> {
9770 start: T,
9771 end: T,
9772 color: Hsla,
9773}
9774
9775impl Along for ScrollbarAxes {
9776 type Unit = bool;
9777
9778 fn along(&self, axis: ScrollbarAxis) -> Self::Unit {
9779 match axis {
9780 ScrollbarAxis::Horizontal => self.horizontal,
9781 ScrollbarAxis::Vertical => self.vertical,
9782 }
9783 }
9784
9785 fn apply_along(&self, axis: ScrollbarAxis, f: impl FnOnce(Self::Unit) -> Self::Unit) -> Self {
9786 match axis {
9787 ScrollbarAxis::Horizontal => ScrollbarAxes {
9788 horizontal: f(self.horizontal),
9789 vertical: self.vertical,
9790 },
9791 ScrollbarAxis::Vertical => ScrollbarAxes {
9792 horizontal: self.horizontal,
9793 vertical: f(self.vertical),
9794 },
9795 }
9796 }
9797}
9798
9799#[derive(Clone)]
9800struct EditorScrollbars {
9801 pub vertical: Option<ScrollbarLayout>,
9802 pub horizontal: Option<ScrollbarLayout>,
9803 pub visible: bool,
9804}
9805
9806impl EditorScrollbars {
9807 pub fn from_scrollbar_axes(
9808 show_scrollbar: ScrollbarAxes,
9809 layout_information: &ScrollbarLayoutInformation,
9810 content_offset: gpui::Point<Pixels>,
9811 scroll_position: gpui::Point<f64>,
9812 scrollbar_width: Pixels,
9813 right_margin: Pixels,
9814 editor_width: Pixels,
9815 show_scrollbars: bool,
9816 scrollbar_state: Option<&ActiveScrollbarState>,
9817 window: &mut Window,
9818 ) -> Self {
9819 let ScrollbarLayoutInformation {
9820 editor_bounds,
9821 scroll_range,
9822 glyph_grid_cell,
9823 } = layout_information;
9824
9825 let viewport_size = size(editor_width, editor_bounds.size.height);
9826
9827 let scrollbar_bounds_for = |axis: ScrollbarAxis| match axis {
9828 ScrollbarAxis::Horizontal => Bounds::from_corner_and_size(
9829 Corner::BottomLeft,
9830 editor_bounds.bottom_left(),
9831 size(
9832 // The horizontal viewport size differs from the space available for the
9833 // horizontal scrollbar, so we have to manually stitch it together here.
9834 editor_bounds.size.width - right_margin,
9835 scrollbar_width,
9836 ),
9837 ),
9838 ScrollbarAxis::Vertical => Bounds::from_corner_and_size(
9839 Corner::TopRight,
9840 editor_bounds.top_right(),
9841 size(scrollbar_width, viewport_size.height),
9842 ),
9843 };
9844
9845 let mut create_scrollbar_layout = |axis| {
9846 let viewport_size = viewport_size.along(axis);
9847 let scroll_range = scroll_range.along(axis);
9848
9849 // We always want a vertical scrollbar track for scrollbar diagnostic visibility.
9850 (show_scrollbar.along(axis)
9851 && (axis == ScrollbarAxis::Vertical || scroll_range > viewport_size))
9852 .then(|| {
9853 ScrollbarLayout::new(
9854 window.insert_hitbox(scrollbar_bounds_for(axis), HitboxBehavior::Normal),
9855 viewport_size,
9856 scroll_range,
9857 glyph_grid_cell.along(axis),
9858 content_offset.along(axis),
9859 scroll_position.along(axis),
9860 show_scrollbars,
9861 axis,
9862 )
9863 .with_thumb_state(
9864 scrollbar_state.and_then(|state| state.thumb_state_for_axis(axis)),
9865 )
9866 })
9867 };
9868
9869 Self {
9870 vertical: create_scrollbar_layout(ScrollbarAxis::Vertical),
9871 horizontal: create_scrollbar_layout(ScrollbarAxis::Horizontal),
9872 visible: show_scrollbars,
9873 }
9874 }
9875
9876 pub fn iter_scrollbars(&self) -> impl Iterator<Item = (&ScrollbarLayout, ScrollbarAxis)> + '_ {
9877 [
9878 (&self.vertical, ScrollbarAxis::Vertical),
9879 (&self.horizontal, ScrollbarAxis::Horizontal),
9880 ]
9881 .into_iter()
9882 .filter_map(|(scrollbar, axis)| scrollbar.as_ref().map(|s| (s, axis)))
9883 }
9884
9885 /// Returns the currently hovered scrollbar axis, if any.
9886 pub fn get_hovered_axis(&self, window: &Window) -> Option<(&ScrollbarLayout, ScrollbarAxis)> {
9887 self.iter_scrollbars()
9888 .find(|s| s.0.hitbox.is_hovered(window))
9889 }
9890}
9891
9892#[derive(Clone)]
9893struct ScrollbarLayout {
9894 hitbox: Hitbox,
9895 visible_range: Range<ScrollOffset>,
9896 text_unit_size: Pixels,
9897 thumb_bounds: Option<Bounds<Pixels>>,
9898 thumb_state: ScrollbarThumbState,
9899}
9900
9901impl ScrollbarLayout {
9902 const BORDER_WIDTH: Pixels = px(1.0);
9903 const LINE_MARKER_HEIGHT: Pixels = px(2.0);
9904 const MIN_MARKER_HEIGHT: Pixels = px(5.0);
9905 const MIN_THUMB_SIZE: Pixels = px(25.0);
9906
9907 fn new(
9908 scrollbar_track_hitbox: Hitbox,
9909 viewport_size: Pixels,
9910 scroll_range: Pixels,
9911 glyph_space: Pixels,
9912 content_offset: Pixels,
9913 scroll_position: ScrollOffset,
9914 show_thumb: bool,
9915 axis: ScrollbarAxis,
9916 ) -> Self {
9917 let track_bounds = scrollbar_track_hitbox.bounds;
9918 // The length of the track available to the scrollbar thumb. We deliberately
9919 // exclude the content size here so that the thumb aligns with the content.
9920 let track_length = track_bounds.size.along(axis) - content_offset;
9921
9922 Self::new_with_hitbox_and_track_length(
9923 scrollbar_track_hitbox,
9924 track_length,
9925 viewport_size,
9926 scroll_range.into(),
9927 glyph_space,
9928 content_offset.into(),
9929 scroll_position,
9930 show_thumb,
9931 axis,
9932 )
9933 }
9934
9935 fn for_minimap(
9936 minimap_track_hitbox: Hitbox,
9937 visible_lines: f64,
9938 total_editor_lines: f64,
9939 minimap_line_height: Pixels,
9940 scroll_position: ScrollOffset,
9941 minimap_scroll_top: ScrollOffset,
9942 show_thumb: bool,
9943 ) -> Self {
9944 // The scrollbar thumb size is calculated as
9945 // (visible_content/total_content) Γ scrollbar_track_length.
9946 //
9947 // For the minimap's thumb layout, we leverage this by setting the
9948 // scrollbar track length to the entire document size (using minimap line
9949 // height). This creates a thumb that exactly represents the editor
9950 // viewport scaled to minimap proportions.
9951 //
9952 // We adjust the thumb position relative to `minimap_scroll_top` to
9953 // accommodate for the deliberately oversized track.
9954 //
9955 // This approach ensures that the minimap thumb accurately reflects the
9956 // editor's current scroll position whilst nicely synchronizing the minimap
9957 // thumb and scrollbar thumb.
9958 let scroll_range = total_editor_lines * f64::from(minimap_line_height);
9959 let viewport_size = visible_lines * f64::from(minimap_line_height);
9960
9961 let track_top_offset = -minimap_scroll_top * f64::from(minimap_line_height);
9962
9963 Self::new_with_hitbox_and_track_length(
9964 minimap_track_hitbox,
9965 Pixels::from(scroll_range),
9966 Pixels::from(viewport_size),
9967 scroll_range,
9968 minimap_line_height,
9969 track_top_offset,
9970 scroll_position,
9971 show_thumb,
9972 ScrollbarAxis::Vertical,
9973 )
9974 }
9975
9976 fn new_with_hitbox_and_track_length(
9977 scrollbar_track_hitbox: Hitbox,
9978 track_length: Pixels,
9979 viewport_size: Pixels,
9980 scroll_range: f64,
9981 glyph_space: Pixels,
9982 content_offset: ScrollOffset,
9983 scroll_position: ScrollOffset,
9984 show_thumb: bool,
9985 axis: ScrollbarAxis,
9986 ) -> Self {
9987 let text_units_per_page = f64::from(viewport_size / glyph_space);
9988 let visible_range = scroll_position..scroll_position + text_units_per_page;
9989 let total_text_units = scroll_range / f64::from(glyph_space);
9990
9991 let thumb_percentage = text_units_per_page / total_text_units;
9992 let thumb_size = Pixels::from(ScrollOffset::from(track_length) * thumb_percentage)
9993 .max(ScrollbarLayout::MIN_THUMB_SIZE)
9994 .min(track_length);
9995
9996 let text_unit_divisor = (total_text_units - text_units_per_page).max(0.);
9997
9998 let content_larger_than_viewport = text_unit_divisor > 0.;
9999
10000 let text_unit_size = if content_larger_than_viewport {
10001 Pixels::from(ScrollOffset::from(track_length - thumb_size) / text_unit_divisor)
10002 } else {
10003 glyph_space
10004 };
10005
10006 let thumb_bounds = (show_thumb && content_larger_than_viewport).then(|| {
10007 Self::thumb_bounds(
10008 &scrollbar_track_hitbox,
10009 content_offset,
10010 visible_range.start,
10011 text_unit_size,
10012 thumb_size,
10013 axis,
10014 )
10015 });
10016
10017 ScrollbarLayout {
10018 hitbox: scrollbar_track_hitbox,
10019 visible_range,
10020 text_unit_size,
10021 thumb_bounds,
10022 thumb_state: Default::default(),
10023 }
10024 }
10025
10026 fn with_thumb_state(self, thumb_state: Option<ScrollbarThumbState>) -> Self {
10027 if let Some(thumb_state) = thumb_state {
10028 Self {
10029 thumb_state,
10030 ..self
10031 }
10032 } else {
10033 self
10034 }
10035 }
10036
10037 fn thumb_bounds(
10038 scrollbar_track: &Hitbox,
10039 content_offset: f64,
10040 visible_range_start: f64,
10041 text_unit_size: Pixels,
10042 thumb_size: Pixels,
10043 axis: ScrollbarAxis,
10044 ) -> Bounds<Pixels> {
10045 let thumb_origin = scrollbar_track.origin.apply_along(axis, |origin| {
10046 origin
10047 + Pixels::from(
10048 content_offset + visible_range_start * ScrollOffset::from(text_unit_size),
10049 )
10050 });
10051 Bounds::new(
10052 thumb_origin,
10053 scrollbar_track.size.apply_along(axis, |_| thumb_size),
10054 )
10055 }
10056
10057 fn thumb_hovered(&self, position: &gpui::Point<Pixels>) -> bool {
10058 self.thumb_bounds
10059 .is_some_and(|bounds| bounds.contains(position))
10060 }
10061
10062 fn marker_quads_for_ranges(
10063 &self,
10064 row_ranges: impl IntoIterator<Item = ColoredRange<DisplayRow>>,
10065 column: Option<usize>,
10066 ) -> Vec<PaintQuad> {
10067 struct MinMax {
10068 min: Pixels,
10069 max: Pixels,
10070 }
10071 let (x_range, height_limit) = if let Some(column) = column {
10072 let column_width = ((self.hitbox.size.width - Self::BORDER_WIDTH) / 3.0).floor();
10073 let start = Self::BORDER_WIDTH + (column as f32 * column_width);
10074 let end = start + column_width;
10075 (
10076 Range { start, end },
10077 MinMax {
10078 min: Self::MIN_MARKER_HEIGHT,
10079 max: px(f32::MAX),
10080 },
10081 )
10082 } else {
10083 (
10084 Range {
10085 start: Self::BORDER_WIDTH,
10086 end: self.hitbox.size.width,
10087 },
10088 MinMax {
10089 min: Self::LINE_MARKER_HEIGHT,
10090 max: Self::LINE_MARKER_HEIGHT,
10091 },
10092 )
10093 };
10094
10095 let row_to_y = |row: DisplayRow| row.as_f64() as f32 * self.text_unit_size;
10096 let mut pixel_ranges = row_ranges
10097 .into_iter()
10098 .map(|range| {
10099 let start_y = row_to_y(range.start);
10100 let end_y = row_to_y(range.end)
10101 + self
10102 .text_unit_size
10103 .max(height_limit.min)
10104 .min(height_limit.max);
10105 ColoredRange {
10106 start: start_y,
10107 end: end_y,
10108 color: range.color,
10109 }
10110 })
10111 .peekable();
10112
10113 let mut quads = Vec::new();
10114 while let Some(mut pixel_range) = pixel_ranges.next() {
10115 while let Some(next_pixel_range) = pixel_ranges.peek() {
10116 if pixel_range.end >= next_pixel_range.start - px(1.0)
10117 && pixel_range.color == next_pixel_range.color
10118 {
10119 pixel_range.end = next_pixel_range.end.max(pixel_range.end);
10120 pixel_ranges.next();
10121 } else {
10122 break;
10123 }
10124 }
10125
10126 let bounds = Bounds::from_corners(
10127 point(x_range.start, pixel_range.start),
10128 point(x_range.end, pixel_range.end),
10129 );
10130 quads.push(quad(
10131 bounds,
10132 Corners::default(),
10133 pixel_range.color,
10134 Edges::default(),
10135 Hsla::transparent_black(),
10136 BorderStyle::default(),
10137 ));
10138 }
10139
10140 quads
10141 }
10142}
10143
10144struct MinimapLayout {
10145 pub minimap: AnyElement,
10146 pub thumb_layout: ScrollbarLayout,
10147 pub minimap_scroll_top: ScrollOffset,
10148 pub minimap_line_height: Pixels,
10149 pub thumb_border_style: MinimapThumbBorder,
10150 pub max_scroll_top: ScrollOffset,
10151}
10152
10153impl MinimapLayout {
10154 /// The minimum width of the minimap in columns. If the minimap is smaller than this, it will be hidden.
10155 const MINIMAP_MIN_WIDTH_COLUMNS: f32 = 20.;
10156 /// The minimap width as a percentage of the editor width.
10157 const MINIMAP_WIDTH_PCT: f32 = 0.15;
10158 /// Calculates the scroll top offset the minimap editor has to have based on the
10159 /// current scroll progress.
10160 fn calculate_minimap_top_offset(
10161 document_lines: f64,
10162 visible_editor_lines: f64,
10163 visible_minimap_lines: f64,
10164 scroll_position: f64,
10165 ) -> ScrollOffset {
10166 let non_visible_document_lines = (document_lines - visible_editor_lines).max(0.);
10167 if non_visible_document_lines == 0. {
10168 0.
10169 } else {
10170 let scroll_percentage = (scroll_position / non_visible_document_lines).clamp(0., 1.);
10171 scroll_percentage * (document_lines - visible_minimap_lines).max(0.)
10172 }
10173 }
10174}
10175
10176struct CreaseTrailerLayout {
10177 element: AnyElement,
10178 bounds: Bounds<Pixels>,
10179}
10180
10181pub(crate) struct PositionMap {
10182 pub size: Size<Pixels>,
10183 pub line_height: Pixels,
10184 pub scroll_position: gpui::Point<ScrollOffset>,
10185 pub scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
10186 pub scroll_max: gpui::Point<ScrollOffset>,
10187 pub em_width: Pixels,
10188 pub em_advance: Pixels,
10189 pub visible_row_range: Range<DisplayRow>,
10190 pub line_layouts: Vec<LineWithInvisibles>,
10191 pub snapshot: EditorSnapshot,
10192 pub text_hitbox: Hitbox,
10193 pub gutter_hitbox: Hitbox,
10194 pub inline_blame_bounds: Option<(Bounds<Pixels>, BufferId, BlameEntry)>,
10195 pub display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
10196 pub diff_hunk_control_bounds: Vec<(DisplayRow, Bounds<Pixels>)>,
10197}
10198
10199#[derive(Debug, Copy, Clone)]
10200pub struct PointForPosition {
10201 pub previous_valid: DisplayPoint,
10202 pub next_valid: DisplayPoint,
10203 pub exact_unclipped: DisplayPoint,
10204 pub column_overshoot_after_line_end: u32,
10205}
10206
10207impl PointForPosition {
10208 pub fn as_valid(&self) -> Option<DisplayPoint> {
10209 if self.previous_valid == self.exact_unclipped && self.next_valid == self.exact_unclipped {
10210 Some(self.previous_valid)
10211 } else {
10212 None
10213 }
10214 }
10215
10216 pub fn intersects_selection(&self, selection: &Selection<DisplayPoint>) -> bool {
10217 let Some(valid_point) = self.as_valid() else {
10218 return false;
10219 };
10220 let range = selection.range();
10221
10222 let candidate_row = valid_point.row();
10223 let candidate_col = valid_point.column();
10224
10225 let start_row = range.start.row();
10226 let start_col = range.start.column();
10227 let end_row = range.end.row();
10228 let end_col = range.end.column();
10229
10230 if candidate_row < start_row || candidate_row > end_row {
10231 false
10232 } else if start_row == end_row {
10233 candidate_col >= start_col && candidate_col < end_col
10234 } else if candidate_row == start_row {
10235 candidate_col >= start_col
10236 } else if candidate_row == end_row {
10237 candidate_col < end_col
10238 } else {
10239 true
10240 }
10241 }
10242}
10243
10244impl PositionMap {
10245 pub(crate) fn point_for_position(&self, position: gpui::Point<Pixels>) -> PointForPosition {
10246 let text_bounds = self.text_hitbox.bounds;
10247 let scroll_position = self.snapshot.scroll_position();
10248 let position = position - text_bounds.origin;
10249 let y = position.y.max(px(0.)).min(self.size.height);
10250 let x = position.x + (scroll_position.x as f32 * self.em_advance);
10251 let row = ((y / self.line_height) as f64 + scroll_position.y) as u32;
10252
10253 let (column, x_overshoot_after_line_end) = if let Some(line) = self
10254 .line_layouts
10255 .get(row as usize - scroll_position.y as usize)
10256 {
10257 if let Some(ix) = line.index_for_x(x) {
10258 (ix as u32, px(0.))
10259 } else {
10260 (line.len as u32, px(0.).max(x - line.width))
10261 }
10262 } else {
10263 (0, x)
10264 };
10265
10266 let mut exact_unclipped = DisplayPoint::new(DisplayRow(row), column);
10267 let previous_valid = self.snapshot.clip_point(exact_unclipped, Bias::Left);
10268 let next_valid = self.snapshot.clip_point(exact_unclipped, Bias::Right);
10269
10270 let column_overshoot_after_line_end = (x_overshoot_after_line_end / self.em_advance) as u32;
10271 *exact_unclipped.column_mut() += column_overshoot_after_line_end;
10272 PointForPosition {
10273 previous_valid,
10274 next_valid,
10275 exact_unclipped,
10276 column_overshoot_after_line_end,
10277 }
10278 }
10279}
10280
10281struct BlockLayout {
10282 id: BlockId,
10283 x_offset: Pixels,
10284 row: Option<DisplayRow>,
10285 element: AnyElement,
10286 available_space: Size<AvailableSpace>,
10287 style: BlockStyle,
10288 overlaps_gutter: bool,
10289 is_buffer_header: bool,
10290}
10291
10292pub fn layout_line(
10293 row: DisplayRow,
10294 snapshot: &EditorSnapshot,
10295 style: &EditorStyle,
10296 text_width: Pixels,
10297 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
10298 window: &mut Window,
10299 cx: &mut App,
10300) -> LineWithInvisibles {
10301 let chunks = snapshot.highlighted_chunks(row..row + DisplayRow(1), true, style);
10302 LineWithInvisibles::from_chunks(
10303 chunks,
10304 style,
10305 MAX_LINE_LEN,
10306 1,
10307 &snapshot.mode,
10308 text_width,
10309 is_row_soft_wrapped,
10310 &[],
10311 window,
10312 cx,
10313 )
10314 .pop()
10315 .unwrap()
10316}
10317
10318#[derive(Debug)]
10319pub struct IndentGuideLayout {
10320 origin: gpui::Point<Pixels>,
10321 length: Pixels,
10322 single_indent_width: Pixels,
10323 depth: u32,
10324 active: bool,
10325 settings: IndentGuideSettings,
10326}
10327
10328pub struct CursorLayout {
10329 origin: gpui::Point<Pixels>,
10330 block_width: Pixels,
10331 line_height: Pixels,
10332 color: Hsla,
10333 shape: CursorShape,
10334 block_text: Option<ShapedLine>,
10335 cursor_name: Option<AnyElement>,
10336}
10337
10338#[derive(Debug)]
10339pub struct CursorName {
10340 string: SharedString,
10341 color: Hsla,
10342 is_top_row: bool,
10343}
10344
10345impl CursorLayout {
10346 pub fn new(
10347 origin: gpui::Point<Pixels>,
10348 block_width: Pixels,
10349 line_height: Pixels,
10350 color: Hsla,
10351 shape: CursorShape,
10352 block_text: Option<ShapedLine>,
10353 ) -> CursorLayout {
10354 CursorLayout {
10355 origin,
10356 block_width,
10357 line_height,
10358 color,
10359 shape,
10360 block_text,
10361 cursor_name: None,
10362 }
10363 }
10364
10365 pub fn bounding_rect(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10366 Bounds {
10367 origin: self.origin + origin,
10368 size: size(self.block_width, self.line_height),
10369 }
10370 }
10371
10372 fn bounds(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10373 match self.shape {
10374 CursorShape::Bar => Bounds {
10375 origin: self.origin + origin,
10376 size: size(px(2.0), self.line_height),
10377 },
10378 CursorShape::Block | CursorShape::Hollow => Bounds {
10379 origin: self.origin + origin,
10380 size: size(self.block_width, self.line_height),
10381 },
10382 CursorShape::Underline => Bounds {
10383 origin: self.origin
10384 + origin
10385 + gpui::Point::new(Pixels::ZERO, self.line_height - px(2.0)),
10386 size: size(self.block_width, px(2.0)),
10387 },
10388 }
10389 }
10390
10391 pub fn layout(
10392 &mut self,
10393 origin: gpui::Point<Pixels>,
10394 cursor_name: Option<CursorName>,
10395 window: &mut Window,
10396 cx: &mut App,
10397 ) {
10398 if let Some(cursor_name) = cursor_name {
10399 let bounds = self.bounds(origin);
10400 let text_size = self.line_height / 1.5;
10401
10402 let name_origin = if cursor_name.is_top_row {
10403 point(bounds.right() - px(1.), bounds.top())
10404 } else {
10405 match self.shape {
10406 CursorShape::Bar => point(
10407 bounds.right() - px(2.),
10408 bounds.top() - text_size / 2. - px(1.),
10409 ),
10410 _ => point(
10411 bounds.right() - px(1.),
10412 bounds.top() - text_size / 2. - px(1.),
10413 ),
10414 }
10415 };
10416 let mut name_element = div()
10417 .bg(self.color)
10418 .text_size(text_size)
10419 .px_0p5()
10420 .line_height(text_size + px(2.))
10421 .text_color(cursor_name.color)
10422 .child(cursor_name.string)
10423 .into_any_element();
10424
10425 name_element.prepaint_as_root(name_origin, AvailableSpace::min_size(), window, cx);
10426
10427 self.cursor_name = Some(name_element);
10428 }
10429 }
10430
10431 pub fn paint(&mut self, origin: gpui::Point<Pixels>, window: &mut Window, cx: &mut App) {
10432 let bounds = self.bounds(origin);
10433
10434 //Draw background or border quad
10435 let cursor = if matches!(self.shape, CursorShape::Hollow) {
10436 outline(bounds, self.color, BorderStyle::Solid)
10437 } else {
10438 fill(bounds, self.color)
10439 };
10440
10441 if let Some(name) = &mut self.cursor_name {
10442 name.paint(window, cx);
10443 }
10444
10445 window.paint_quad(cursor);
10446
10447 if let Some(block_text) = &self.block_text {
10448 block_text
10449 .paint(self.origin + origin, self.line_height, window, cx)
10450 .log_err();
10451 }
10452 }
10453
10454 pub fn shape(&self) -> CursorShape {
10455 self.shape
10456 }
10457}
10458
10459#[derive(Debug)]
10460pub struct HighlightedRange {
10461 pub start_y: Pixels,
10462 pub line_height: Pixels,
10463 pub lines: Vec<HighlightedRangeLine>,
10464 pub color: Hsla,
10465 pub corner_radius: Pixels,
10466}
10467
10468#[derive(Debug)]
10469pub struct HighlightedRangeLine {
10470 pub start_x: Pixels,
10471 pub end_x: Pixels,
10472}
10473
10474impl HighlightedRange {
10475 pub fn paint(&self, fill: bool, bounds: Bounds<Pixels>, window: &mut Window) {
10476 if self.lines.len() >= 2 && self.lines[0].start_x > self.lines[1].end_x {
10477 self.paint_lines(self.start_y, &self.lines[0..1], fill, bounds, window);
10478 self.paint_lines(
10479 self.start_y + self.line_height,
10480 &self.lines[1..],
10481 fill,
10482 bounds,
10483 window,
10484 );
10485 } else {
10486 self.paint_lines(self.start_y, &self.lines, fill, bounds, window);
10487 }
10488 }
10489
10490 fn paint_lines(
10491 &self,
10492 start_y: Pixels,
10493 lines: &[HighlightedRangeLine],
10494 fill: bool,
10495 _bounds: Bounds<Pixels>,
10496 window: &mut Window,
10497 ) {
10498 if lines.is_empty() {
10499 return;
10500 }
10501
10502 let first_line = lines.first().unwrap();
10503 let last_line = lines.last().unwrap();
10504
10505 let first_top_left = point(first_line.start_x, start_y);
10506 let first_top_right = point(first_line.end_x, start_y);
10507
10508 let curve_height = point(Pixels::ZERO, self.corner_radius);
10509 let curve_width = |start_x: Pixels, end_x: Pixels| {
10510 let max = (end_x - start_x) / 2.;
10511 let width = if max < self.corner_radius {
10512 max
10513 } else {
10514 self.corner_radius
10515 };
10516
10517 point(width, Pixels::ZERO)
10518 };
10519
10520 let top_curve_width = curve_width(first_line.start_x, first_line.end_x);
10521 let mut builder = if fill {
10522 gpui::PathBuilder::fill()
10523 } else {
10524 gpui::PathBuilder::stroke(px(1.))
10525 };
10526 builder.move_to(first_top_right - top_curve_width);
10527 builder.curve_to(first_top_right + curve_height, first_top_right);
10528
10529 let mut iter = lines.iter().enumerate().peekable();
10530 while let Some((ix, line)) = iter.next() {
10531 let bottom_right = point(line.end_x, start_y + (ix + 1) as f32 * self.line_height);
10532
10533 if let Some((_, next_line)) = iter.peek() {
10534 let next_top_right = point(next_line.end_x, bottom_right.y);
10535
10536 match next_top_right.x.partial_cmp(&bottom_right.x).unwrap() {
10537 Ordering::Equal => {
10538 builder.line_to(bottom_right);
10539 }
10540 Ordering::Less => {
10541 let curve_width = curve_width(next_top_right.x, bottom_right.x);
10542 builder.line_to(bottom_right - curve_height);
10543 if self.corner_radius > Pixels::ZERO {
10544 builder.curve_to(bottom_right - curve_width, bottom_right);
10545 }
10546 builder.line_to(next_top_right + curve_width);
10547 if self.corner_radius > Pixels::ZERO {
10548 builder.curve_to(next_top_right + curve_height, next_top_right);
10549 }
10550 }
10551 Ordering::Greater => {
10552 let curve_width = curve_width(bottom_right.x, next_top_right.x);
10553 builder.line_to(bottom_right - curve_height);
10554 if self.corner_radius > Pixels::ZERO {
10555 builder.curve_to(bottom_right + curve_width, bottom_right);
10556 }
10557 builder.line_to(next_top_right - curve_width);
10558 if self.corner_radius > Pixels::ZERO {
10559 builder.curve_to(next_top_right + curve_height, next_top_right);
10560 }
10561 }
10562 }
10563 } else {
10564 let curve_width = curve_width(line.start_x, line.end_x);
10565 builder.line_to(bottom_right - curve_height);
10566 if self.corner_radius > Pixels::ZERO {
10567 builder.curve_to(bottom_right - curve_width, bottom_right);
10568 }
10569
10570 let bottom_left = point(line.start_x, bottom_right.y);
10571 builder.line_to(bottom_left + curve_width);
10572 if self.corner_radius > Pixels::ZERO {
10573 builder.curve_to(bottom_left - curve_height, bottom_left);
10574 }
10575 }
10576 }
10577
10578 if first_line.start_x > last_line.start_x {
10579 let curve_width = curve_width(last_line.start_x, first_line.start_x);
10580 let second_top_left = point(last_line.start_x, start_y + self.line_height);
10581 builder.line_to(second_top_left + curve_height);
10582 if self.corner_radius > Pixels::ZERO {
10583 builder.curve_to(second_top_left + curve_width, second_top_left);
10584 }
10585 let first_bottom_left = point(first_line.start_x, second_top_left.y);
10586 builder.line_to(first_bottom_left - curve_width);
10587 if self.corner_radius > Pixels::ZERO {
10588 builder.curve_to(first_bottom_left - curve_height, first_bottom_left);
10589 }
10590 }
10591
10592 builder.line_to(first_top_left + curve_height);
10593 if self.corner_radius > Pixels::ZERO {
10594 builder.curve_to(first_top_left + top_curve_width, first_top_left);
10595 }
10596 builder.line_to(first_top_right - top_curve_width);
10597
10598 if let Ok(path) = builder.build() {
10599 window.paint_path(path, self.color);
10600 }
10601 }
10602}
10603
10604enum CursorPopoverType {
10605 CodeContextMenu,
10606 EditPrediction,
10607}
10608
10609pub fn scale_vertical_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10610 (delta.pow(1.2) / 100.0).min(px(3.0)).into()
10611}
10612
10613fn scale_horizontal_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10614 (delta.pow(1.2) / 300.0).into()
10615}
10616
10617pub fn register_action<T: Action>(
10618 editor: &Entity<Editor>,
10619 window: &mut Window,
10620 listener: impl Fn(&mut Editor, &T, &mut Window, &mut Context<Editor>) + 'static,
10621) {
10622 let editor = editor.clone();
10623 window.on_action(TypeId::of::<T>(), move |action, phase, window, cx| {
10624 let action = action.downcast_ref().unwrap();
10625 if phase == DispatchPhase::Bubble {
10626 editor.update(cx, |editor, cx| {
10627 listener(editor, action, window, cx);
10628 })
10629 }
10630 })
10631}
10632
10633fn compute_auto_height_layout(
10634 editor: &mut Editor,
10635 min_lines: usize,
10636 max_lines: Option<usize>,
10637 max_line_number_width: Pixels,
10638 known_dimensions: Size<Option<Pixels>>,
10639 available_width: AvailableSpace,
10640 window: &mut Window,
10641 cx: &mut Context<Editor>,
10642) -> Option<Size<Pixels>> {
10643 let width = known_dimensions.width.or({
10644 if let AvailableSpace::Definite(available_width) = available_width {
10645 Some(available_width)
10646 } else {
10647 None
10648 }
10649 })?;
10650 if let Some(height) = known_dimensions.height {
10651 return Some(size(width, height));
10652 }
10653
10654 let style = editor.style.as_ref().unwrap();
10655 let font_id = window.text_system().resolve_font(&style.text.font());
10656 let font_size = style.text.font_size.to_pixels(window.rem_size());
10657 let line_height = style.text.line_height_in_pixels(window.rem_size());
10658 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
10659
10660 let mut snapshot = editor.snapshot(window, cx);
10661 let gutter_dimensions = snapshot
10662 .gutter_dimensions(font_id, font_size, max_line_number_width, cx)
10663 .or_else(|| {
10664 editor
10665 .offset_content
10666 .then(|| GutterDimensions::default_with_margin(font_id, font_size, cx))
10667 })
10668 .unwrap_or_default();
10669
10670 editor.gutter_dimensions = gutter_dimensions;
10671 let text_width = width - gutter_dimensions.width;
10672 let overscroll = size(em_width, px(0.));
10673
10674 let editor_width = text_width - gutter_dimensions.margin - overscroll.width - em_width;
10675 if !matches!(editor.soft_wrap_mode(cx), SoftWrap::None)
10676 && editor.set_wrap_width(Some(editor_width), cx)
10677 {
10678 snapshot = editor.snapshot(window, cx);
10679 }
10680
10681 let scroll_height = (snapshot.max_point().row().next_row().0 as f32) * line_height;
10682
10683 let min_height = line_height * min_lines as f32;
10684 let content_height = scroll_height.max(min_height);
10685
10686 let final_height = if let Some(max_lines) = max_lines {
10687 let max_height = line_height * max_lines as f32;
10688 content_height.min(max_height)
10689 } else {
10690 content_height
10691 };
10692
10693 Some(size(width, final_height))
10694}
10695
10696#[cfg(test)]
10697mod tests {
10698 use super::*;
10699 use crate::{
10700 Editor, MultiBuffer, SelectionEffects,
10701 display_map::{BlockPlacement, BlockProperties},
10702 editor_tests::{init_test, update_test_language_settings},
10703 };
10704 use gpui::{TestAppContext, VisualTestContext};
10705 use language::language_settings;
10706 use log::info;
10707 use std::num::NonZeroU32;
10708 use util::test::sample_text;
10709
10710 #[gpui::test]
10711 async fn test_soft_wrap_editor_width_auto_height_editor(cx: &mut TestAppContext) {
10712 init_test(cx, |_| {});
10713
10714 let window = cx.add_window(|window, cx| {
10715 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10716 let mut editor = Editor::new(
10717 EditorMode::AutoHeight {
10718 min_lines: 1,
10719 max_lines: None,
10720 },
10721 buffer,
10722 None,
10723 window,
10724 cx,
10725 );
10726 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10727 editor
10728 });
10729 let cx = &mut VisualTestContext::from_window(*window, cx);
10730 let editor = window.root(cx).unwrap();
10731 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10732
10733 for x in 1..=100 {
10734 let (_, state) = cx.draw(
10735 Default::default(),
10736 size(px(200. + 0.13 * x as f32), px(500.)),
10737 |_, _| EditorElement::new(&editor, style.clone()),
10738 );
10739
10740 assert!(
10741 state.position_map.scroll_max.x == 0.,
10742 "Soft wrapped editor should have no horizontal scrolling!"
10743 );
10744 }
10745 }
10746
10747 #[gpui::test]
10748 async fn test_soft_wrap_editor_width_full_editor(cx: &mut TestAppContext) {
10749 init_test(cx, |_| {});
10750
10751 let window = cx.add_window(|window, cx| {
10752 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10753 let mut editor = Editor::new(EditorMode::full(), buffer, None, window, cx);
10754 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10755 editor
10756 });
10757 let cx = &mut VisualTestContext::from_window(*window, cx);
10758 let editor = window.root(cx).unwrap();
10759 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10760
10761 for x in 1..=100 {
10762 let (_, state) = cx.draw(
10763 Default::default(),
10764 size(px(200. + 0.13 * x as f32), px(500.)),
10765 |_, _| EditorElement::new(&editor, style.clone()),
10766 );
10767
10768 assert!(
10769 state.position_map.scroll_max.x == 0.,
10770 "Soft wrapped editor should have no horizontal scrolling!"
10771 );
10772 }
10773 }
10774
10775 #[gpui::test]
10776 fn test_shape_line_numbers(cx: &mut TestAppContext) {
10777 init_test(cx, |_| {});
10778 let window = cx.add_window(|window, cx| {
10779 let buffer = MultiBuffer::build_simple(&sample_text(6, 6, 'a'), cx);
10780 Editor::new(EditorMode::full(), buffer, None, window, cx)
10781 });
10782
10783 let editor = window.root(cx).unwrap();
10784 let style = cx.update(|cx| editor.read(cx).style().unwrap().clone());
10785 let line_height = window
10786 .update(cx, |_, window, _| {
10787 style.text.line_height_in_pixels(window.rem_size())
10788 })
10789 .unwrap();
10790 let element = EditorElement::new(&editor, style);
10791 let snapshot = window
10792 .update(cx, |editor, window, cx| editor.snapshot(window, cx))
10793 .unwrap();
10794
10795 let layouts = cx
10796 .update_window(*window, |_, window, cx| {
10797 element.layout_line_numbers(
10798 None,
10799 GutterDimensions {
10800 left_padding: Pixels::ZERO,
10801 right_padding: Pixels::ZERO,
10802 width: px(30.0),
10803 margin: Pixels::ZERO,
10804 git_blame_entries_width: None,
10805 },
10806 line_height,
10807 gpui::Point::default(),
10808 DisplayRow(0)..DisplayRow(6),
10809 &(0..6)
10810 .map(|row| RowInfo {
10811 buffer_row: Some(row),
10812 ..Default::default()
10813 })
10814 .collect::<Vec<_>>(),
10815 &BTreeMap::default(),
10816 Some(DisplayPoint::new(DisplayRow(0), 0)),
10817 &snapshot,
10818 window,
10819 cx,
10820 )
10821 })
10822 .unwrap();
10823 assert_eq!(layouts.len(), 6);
10824
10825 let relative_rows = window
10826 .update(cx, |editor, window, cx| {
10827 let snapshot = editor.snapshot(window, cx);
10828 element.calculate_relative_line_numbers(
10829 &snapshot,
10830 &(DisplayRow(0)..DisplayRow(6)),
10831 Some(DisplayRow(3)),
10832 )
10833 })
10834 .unwrap();
10835 assert_eq!(relative_rows[&DisplayRow(0)], 3);
10836 assert_eq!(relative_rows[&DisplayRow(1)], 2);
10837 assert_eq!(relative_rows[&DisplayRow(2)], 1);
10838 // current line has no relative number
10839 assert_eq!(relative_rows[&DisplayRow(4)], 1);
10840 assert_eq!(relative_rows[&DisplayRow(5)], 2);
10841
10842 // works if cursor is before screen
10843 let relative_rows = window
10844 .update(cx, |editor, window, cx| {
10845 let snapshot = editor.snapshot(window, cx);
10846 element.calculate_relative_line_numbers(
10847 &snapshot,
10848 &(DisplayRow(3)..DisplayRow(6)),
10849 Some(DisplayRow(1)),
10850 )
10851 })
10852 .unwrap();
10853 assert_eq!(relative_rows.len(), 3);
10854 assert_eq!(relative_rows[&DisplayRow(3)], 2);
10855 assert_eq!(relative_rows[&DisplayRow(4)], 3);
10856 assert_eq!(relative_rows[&DisplayRow(5)], 4);
10857
10858 // works if cursor is after screen
10859 let relative_rows = window
10860 .update(cx, |editor, window, cx| {
10861 let snapshot = editor.snapshot(window, cx);
10862 element.calculate_relative_line_numbers(
10863 &snapshot,
10864 &(DisplayRow(0)..DisplayRow(3)),
10865 Some(DisplayRow(6)),
10866 )
10867 })
10868 .unwrap();
10869 assert_eq!(relative_rows.len(), 3);
10870 assert_eq!(relative_rows[&DisplayRow(0)], 5);
10871 assert_eq!(relative_rows[&DisplayRow(1)], 4);
10872 assert_eq!(relative_rows[&DisplayRow(2)], 3);
10873 }
10874
10875 #[gpui::test]
10876 async fn test_vim_visual_selections(cx: &mut TestAppContext) {
10877 init_test(cx, |_| {});
10878
10879 let window = cx.add_window(|window, cx| {
10880 let buffer = MultiBuffer::build_simple(&(sample_text(6, 6, 'a') + "\n"), cx);
10881 Editor::new(EditorMode::full(), buffer, None, window, cx)
10882 });
10883 let cx = &mut VisualTestContext::from_window(*window, cx);
10884 let editor = window.root(cx).unwrap();
10885 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10886
10887 window
10888 .update(cx, |editor, window, cx| {
10889 editor.cursor_shape = CursorShape::Block;
10890 editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
10891 s.select_ranges([
10892 Point::new(0, 0)..Point::new(1, 0),
10893 Point::new(3, 2)..Point::new(3, 3),
10894 Point::new(5, 6)..Point::new(6, 0),
10895 ]);
10896 });
10897 })
10898 .unwrap();
10899
10900 let (_, state) = cx.draw(
10901 point(px(500.), px(500.)),
10902 size(px(500.), px(500.)),
10903 |_, _| EditorElement::new(&editor, style),
10904 );
10905
10906 assert_eq!(state.selections.len(), 1);
10907 let local_selections = &state.selections[0].1;
10908 assert_eq!(local_selections.len(), 3);
10909 // moves cursor back one line
10910 assert_eq!(
10911 local_selections[0].head,
10912 DisplayPoint::new(DisplayRow(0), 6)
10913 );
10914 assert_eq!(
10915 local_selections[0].range,
10916 DisplayPoint::new(DisplayRow(0), 0)..DisplayPoint::new(DisplayRow(1), 0)
10917 );
10918
10919 // moves cursor back one column
10920 assert_eq!(
10921 local_selections[1].range,
10922 DisplayPoint::new(DisplayRow(3), 2)..DisplayPoint::new(DisplayRow(3), 3)
10923 );
10924 assert_eq!(
10925 local_selections[1].head,
10926 DisplayPoint::new(DisplayRow(3), 2)
10927 );
10928
10929 // leaves cursor on the max point
10930 assert_eq!(
10931 local_selections[2].range,
10932 DisplayPoint::new(DisplayRow(5), 6)..DisplayPoint::new(DisplayRow(6), 0)
10933 );
10934 assert_eq!(
10935 local_selections[2].head,
10936 DisplayPoint::new(DisplayRow(6), 0)
10937 );
10938
10939 // active lines does not include 1 (even though the range of the selection does)
10940 assert_eq!(
10941 state.active_rows.keys().cloned().collect::<Vec<_>>(),
10942 vec![DisplayRow(0), DisplayRow(3), DisplayRow(5), DisplayRow(6)]
10943 );
10944 }
10945
10946 #[gpui::test]
10947 fn test_layout_with_placeholder_text_and_blocks(cx: &mut TestAppContext) {
10948 init_test(cx, |_| {});
10949
10950 let window = cx.add_window(|window, cx| {
10951 let buffer = MultiBuffer::build_simple("", cx);
10952 Editor::new(EditorMode::full(), buffer, None, window, cx)
10953 });
10954 let cx = &mut VisualTestContext::from_window(*window, cx);
10955 let editor = window.root(cx).unwrap();
10956 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10957 window
10958 .update(cx, |editor, window, cx| {
10959 editor.set_placeholder_text("hello", window, cx);
10960 editor.insert_blocks(
10961 [BlockProperties {
10962 style: BlockStyle::Fixed,
10963 placement: BlockPlacement::Above(Anchor::min()),
10964 height: Some(3),
10965 render: Arc::new(|cx| div().h(3. * cx.window.line_height()).into_any()),
10966 priority: 0,
10967 }],
10968 None,
10969 cx,
10970 );
10971
10972 // Blur the editor so that it displays placeholder text.
10973 window.blur();
10974 })
10975 .unwrap();
10976
10977 let (_, state) = cx.draw(
10978 point(px(500.), px(500.)),
10979 size(px(500.), px(500.)),
10980 |_, _| EditorElement::new(&editor, style),
10981 );
10982 assert_eq!(state.position_map.line_layouts.len(), 4);
10983 assert_eq!(state.line_numbers.len(), 1);
10984 assert_eq!(
10985 state
10986 .line_numbers
10987 .get(&MultiBufferRow(0))
10988 .map(|line_number| line_number.shaped_line.text.as_ref()),
10989 Some("1")
10990 );
10991 }
10992
10993 #[gpui::test]
10994 fn test_all_invisibles_drawing(cx: &mut TestAppContext) {
10995 const TAB_SIZE: u32 = 4;
10996
10997 let input_text = "\t \t|\t| a b";
10998 let expected_invisibles = vec![
10999 Invisible::Tab {
11000 line_start_offset: 0,
11001 line_end_offset: TAB_SIZE as usize,
11002 },
11003 Invisible::Whitespace {
11004 line_offset: TAB_SIZE as usize,
11005 },
11006 Invisible::Tab {
11007 line_start_offset: TAB_SIZE as usize + 1,
11008 line_end_offset: TAB_SIZE as usize * 2,
11009 },
11010 Invisible::Tab {
11011 line_start_offset: TAB_SIZE as usize * 2 + 1,
11012 line_end_offset: TAB_SIZE as usize * 3,
11013 },
11014 Invisible::Whitespace {
11015 line_offset: TAB_SIZE as usize * 3 + 1,
11016 },
11017 Invisible::Whitespace {
11018 line_offset: TAB_SIZE as usize * 3 + 3,
11019 },
11020 ];
11021 assert_eq!(
11022 expected_invisibles.len(),
11023 input_text
11024 .chars()
11025 .filter(|initial_char| initial_char.is_whitespace())
11026 .count(),
11027 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
11028 );
11029
11030 for show_line_numbers in [true, false] {
11031 init_test(cx, |s| {
11032 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11033 s.defaults.tab_size = NonZeroU32::new(TAB_SIZE);
11034 });
11035
11036 let actual_invisibles = collect_invisibles_from_new_editor(
11037 cx,
11038 EditorMode::full(),
11039 input_text,
11040 px(500.0),
11041 show_line_numbers,
11042 );
11043
11044 assert_eq!(expected_invisibles, actual_invisibles);
11045 }
11046 }
11047
11048 #[gpui::test]
11049 fn test_invisibles_dont_appear_in_certain_editors(cx: &mut TestAppContext) {
11050 init_test(cx, |s| {
11051 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11052 s.defaults.tab_size = NonZeroU32::new(4);
11053 });
11054
11055 for editor_mode_without_invisibles in [
11056 EditorMode::SingleLine,
11057 EditorMode::AutoHeight {
11058 min_lines: 1,
11059 max_lines: Some(100),
11060 },
11061 ] {
11062 for show_line_numbers in [true, false] {
11063 let invisibles = collect_invisibles_from_new_editor(
11064 cx,
11065 editor_mode_without_invisibles.clone(),
11066 "\t\t\t| | a b",
11067 px(500.0),
11068 show_line_numbers,
11069 );
11070 assert!(
11071 invisibles.is_empty(),
11072 "For editor mode {editor_mode_without_invisibles:?} no invisibles was expected but got {invisibles:?}"
11073 );
11074 }
11075 }
11076 }
11077
11078 #[gpui::test]
11079 fn test_wrapped_invisibles_drawing(cx: &mut TestAppContext) {
11080 let tab_size = 4;
11081 let input_text = "a\tbcd ".repeat(9);
11082 let repeated_invisibles = [
11083 Invisible::Tab {
11084 line_start_offset: 1,
11085 line_end_offset: tab_size as usize,
11086 },
11087 Invisible::Whitespace {
11088 line_offset: tab_size as usize + 3,
11089 },
11090 Invisible::Whitespace {
11091 line_offset: tab_size as usize + 4,
11092 },
11093 Invisible::Whitespace {
11094 line_offset: tab_size as usize + 5,
11095 },
11096 Invisible::Whitespace {
11097 line_offset: tab_size as usize + 6,
11098 },
11099 Invisible::Whitespace {
11100 line_offset: tab_size as usize + 7,
11101 },
11102 ];
11103 let expected_invisibles = std::iter::once(repeated_invisibles)
11104 .cycle()
11105 .take(9)
11106 .flatten()
11107 .collect::<Vec<_>>();
11108 assert_eq!(
11109 expected_invisibles.len(),
11110 input_text
11111 .chars()
11112 .filter(|initial_char| initial_char.is_whitespace())
11113 .count(),
11114 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
11115 );
11116 info!("Expected invisibles: {expected_invisibles:?}");
11117
11118 init_test(cx, |_| {});
11119
11120 // Put the same string with repeating whitespace pattern into editors of various size,
11121 // take deliberately small steps during resizing, to put all whitespace kinds near the wrap point.
11122 let resize_step = 10.0;
11123 let mut editor_width = 200.0;
11124 while editor_width <= 1000.0 {
11125 for show_line_numbers in [true, false] {
11126 update_test_language_settings(cx, |s| {
11127 s.defaults.tab_size = NonZeroU32::new(tab_size);
11128 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11129 s.defaults.preferred_line_length = Some(editor_width as u32);
11130 s.defaults.soft_wrap = Some(language_settings::SoftWrap::PreferredLineLength);
11131 });
11132
11133 let actual_invisibles = collect_invisibles_from_new_editor(
11134 cx,
11135 EditorMode::full(),
11136 &input_text,
11137 px(editor_width),
11138 show_line_numbers,
11139 );
11140
11141 // Whatever the editor size is, ensure it has the same invisible kinds in the same order
11142 // (no good guarantees about the offsets: wrapping could trigger padding and its tests should check the offsets).
11143 let mut i = 0;
11144 for (actual_index, actual_invisible) in actual_invisibles.iter().enumerate() {
11145 i = actual_index;
11146 match expected_invisibles.get(i) {
11147 Some(expected_invisible) => match (expected_invisible, actual_invisible) {
11148 (Invisible::Whitespace { .. }, Invisible::Whitespace { .. })
11149 | (Invisible::Tab { .. }, Invisible::Tab { .. }) => {}
11150 _ => {
11151 panic!(
11152 "At index {i}, expected invisible {expected_invisible:?} does not match actual {actual_invisible:?} by kind. Actual invisibles: {actual_invisibles:?}"
11153 )
11154 }
11155 },
11156 None => {
11157 panic!("Unexpected extra invisible {actual_invisible:?} at index {i}")
11158 }
11159 }
11160 }
11161 let missing_expected_invisibles = &expected_invisibles[i + 1..];
11162 assert!(
11163 missing_expected_invisibles.is_empty(),
11164 "Missing expected invisibles after index {i}: {missing_expected_invisibles:?}"
11165 );
11166
11167 editor_width += resize_step;
11168 }
11169 }
11170 }
11171
11172 fn collect_invisibles_from_new_editor(
11173 cx: &mut TestAppContext,
11174 editor_mode: EditorMode,
11175 input_text: &str,
11176 editor_width: Pixels,
11177 show_line_numbers: bool,
11178 ) -> Vec<Invisible> {
11179 info!(
11180 "Creating editor with mode {editor_mode:?}, width {}px and text '{input_text}'",
11181 f32::from(editor_width)
11182 );
11183 let window = cx.add_window(|window, cx| {
11184 let buffer = MultiBuffer::build_simple(input_text, cx);
11185 Editor::new(editor_mode, buffer, None, window, cx)
11186 });
11187 let cx = &mut VisualTestContext::from_window(*window, cx);
11188 let editor = window.root(cx).unwrap();
11189
11190 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
11191 window
11192 .update(cx, |editor, _, cx| {
11193 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
11194 editor.set_wrap_width(Some(editor_width), cx);
11195 editor.set_show_line_numbers(show_line_numbers, cx);
11196 })
11197 .unwrap();
11198 let (_, state) = cx.draw(
11199 point(px(500.), px(500.)),
11200 size(px(500.), px(500.)),
11201 |_, _| EditorElement::new(&editor, style),
11202 );
11203 state
11204 .position_map
11205 .line_layouts
11206 .iter()
11207 .flat_map(|line_with_invisibles| &line_with_invisibles.invisibles)
11208 .cloned()
11209 .collect()
11210 }
11211
11212 #[gpui::test]
11213 fn test_merge_overlapping_ranges() {
11214 let base_bg = Hsla::white();
11215 let color1 = Hsla {
11216 h: 0.0,
11217 s: 0.5,
11218 l: 0.5,
11219 a: 0.5,
11220 };
11221 let color2 = Hsla {
11222 h: 120.0,
11223 s: 0.5,
11224 l: 0.5,
11225 a: 0.5,
11226 };
11227
11228 let display_point = |col| DisplayPoint::new(DisplayRow(0), col);
11229 let cols = |v: &Vec<(Range<DisplayPoint>, Hsla)>| -> Vec<(u32, u32)> {
11230 v.iter()
11231 .map(|(r, _)| (r.start.column(), r.end.column()))
11232 .collect()
11233 };
11234
11235 // Test overlapping ranges blend colors
11236 let overlapping = vec![
11237 (display_point(5)..display_point(15), color1),
11238 (display_point(10)..display_point(20), color2),
11239 ];
11240 let result = EditorElement::merge_overlapping_ranges(overlapping, base_bg);
11241 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11242
11243 // Test middle segment should have blended color
11244 let blended = Hsla::blend(Hsla::blend(base_bg, color1), color2);
11245 assert_eq!(result[1].1, blended);
11246
11247 // Test adjacent same-color ranges merge
11248 let adjacent_same = vec![
11249 (display_point(5)..display_point(10), color1),
11250 (display_point(10)..display_point(15), color1),
11251 ];
11252 let result = EditorElement::merge_overlapping_ranges(adjacent_same, base_bg);
11253 assert_eq!(cols(&result), vec![(5, 15)]);
11254
11255 // Test contained range splits
11256 let contained = vec![
11257 (display_point(5)..display_point(20), color1),
11258 (display_point(10)..display_point(15), color2),
11259 ];
11260 let result = EditorElement::merge_overlapping_ranges(contained, base_bg);
11261 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11262
11263 // Test multiple overlaps split at every boundary
11264 let color3 = Hsla {
11265 h: 240.0,
11266 s: 0.5,
11267 l: 0.5,
11268 a: 0.5,
11269 };
11270 let complex = vec![
11271 (display_point(5)..display_point(12), color1),
11272 (display_point(8)..display_point(16), color2),
11273 (display_point(10)..display_point(14), color3),
11274 ];
11275 let result = EditorElement::merge_overlapping_ranges(complex, base_bg);
11276 assert_eq!(
11277 cols(&result),
11278 vec![(5, 8), (8, 10), (10, 12), (12, 14), (14, 16)]
11279 );
11280 }
11281
11282 #[gpui::test]
11283 fn test_bg_segments_per_row() {
11284 let base_bg = Hsla::white();
11285
11286 // Case A: selection spans three display rows: row 1 [5, end), full row 2, row 3 [0, 7)
11287 {
11288 let selection_color = Hsla {
11289 h: 200.0,
11290 s: 0.5,
11291 l: 0.5,
11292 a: 0.5,
11293 };
11294 let player_color = PlayerColor {
11295 cursor: selection_color,
11296 background: selection_color,
11297 selection: selection_color,
11298 };
11299
11300 let spanning_selection = SelectionLayout {
11301 head: DisplayPoint::new(DisplayRow(3), 7),
11302 cursor_shape: CursorShape::Bar,
11303 is_newest: true,
11304 is_local: true,
11305 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 7),
11306 active_rows: DisplayRow(1)..DisplayRow(4),
11307 user_name: None,
11308 };
11309
11310 let selections = vec![(player_color, vec![spanning_selection])];
11311 let result = EditorElement::bg_segments_per_row(
11312 DisplayRow(0)..DisplayRow(5),
11313 &selections,
11314 &[],
11315 base_bg,
11316 );
11317
11318 assert_eq!(result.len(), 5);
11319 assert!(result[0].is_empty());
11320 assert_eq!(result[1].len(), 1);
11321 assert_eq!(result[2].len(), 1);
11322 assert_eq!(result[3].len(), 1);
11323 assert!(result[4].is_empty());
11324
11325 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11326 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11327 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11328 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11329 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11330 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11331 assert_eq!(result[3][0].0.start, DisplayPoint::new(DisplayRow(3), 0));
11332 assert_eq!(result[3][0].0.end, DisplayPoint::new(DisplayRow(3), 7));
11333 }
11334
11335 // Case B: selection ends exactly at the start of row 3, excluding row 3
11336 {
11337 let selection_color = Hsla {
11338 h: 120.0,
11339 s: 0.5,
11340 l: 0.5,
11341 a: 0.5,
11342 };
11343 let player_color = PlayerColor {
11344 cursor: selection_color,
11345 background: selection_color,
11346 selection: selection_color,
11347 };
11348
11349 let selection = SelectionLayout {
11350 head: DisplayPoint::new(DisplayRow(2), 0),
11351 cursor_shape: CursorShape::Bar,
11352 is_newest: true,
11353 is_local: true,
11354 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 0),
11355 active_rows: DisplayRow(1)..DisplayRow(3),
11356 user_name: None,
11357 };
11358
11359 let selections = vec![(player_color, vec![selection])];
11360 let result = EditorElement::bg_segments_per_row(
11361 DisplayRow(0)..DisplayRow(4),
11362 &selections,
11363 &[],
11364 base_bg,
11365 );
11366
11367 assert_eq!(result.len(), 4);
11368 assert!(result[0].is_empty());
11369 assert_eq!(result[1].len(), 1);
11370 assert_eq!(result[2].len(), 1);
11371 assert!(result[3].is_empty());
11372
11373 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11374 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11375 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11376 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11377 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11378 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11379 }
11380 }
11381
11382 #[cfg(test)]
11383 fn generate_test_run(len: usize, color: Hsla) -> TextRun {
11384 TextRun {
11385 len,
11386 font: gpui::font(".SystemUIFont"),
11387 color,
11388 background_color: None,
11389 underline: None,
11390 strikethrough: None,
11391 }
11392 }
11393
11394 #[gpui::test]
11395 fn test_split_runs_by_bg_segments(cx: &mut gpui::TestAppContext) {
11396 init_test(cx, |_| {});
11397
11398 let dx = |start: u32, end: u32| {
11399 DisplayPoint::new(DisplayRow(0), start)..DisplayPoint::new(DisplayRow(0), end)
11400 };
11401
11402 let text_color = Hsla {
11403 h: 210.0,
11404 s: 0.1,
11405 l: 0.4,
11406 a: 1.0,
11407 };
11408 let bg_1 = Hsla {
11409 h: 30.0,
11410 s: 0.6,
11411 l: 0.8,
11412 a: 1.0,
11413 };
11414 let bg_2 = Hsla {
11415 h: 200.0,
11416 s: 0.6,
11417 l: 0.2,
11418 a: 1.0,
11419 };
11420 let min_contrast = 45.0;
11421 let adjusted_bg1 = ensure_minimum_contrast(text_color, bg_1, min_contrast);
11422 let adjusted_bg2 = ensure_minimum_contrast(text_color, bg_2, min_contrast);
11423
11424 // Case A: single run; disjoint segments inside the run
11425 {
11426 let runs = vec![generate_test_run(20, text_color)];
11427 let segs = vec![(dx(5, 10), bg_1), (dx(12, 16), bg_2)];
11428 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11429 // Expected slices: [0,5) [5,10) [10,12) [12,16) [16,20)
11430 assert_eq!(
11431 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11432 vec![5, 5, 2, 4, 4]
11433 );
11434 assert_eq!(out[0].color, text_color);
11435 assert_eq!(out[1].color, adjusted_bg1);
11436 assert_eq!(out[2].color, text_color);
11437 assert_eq!(out[3].color, adjusted_bg2);
11438 assert_eq!(out[4].color, text_color);
11439 }
11440
11441 // Case B: multiple runs; segment extends to end of line (u32::MAX)
11442 {
11443 let runs = vec![
11444 generate_test_run(8, text_color),
11445 generate_test_run(7, text_color),
11446 ];
11447 let segs = vec![(dx(6, u32::MAX), bg_1)];
11448 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11449 // Expected slices across runs: [0,6) [6,8) | [0,7)
11450 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![6, 2, 7]);
11451 assert_eq!(out[0].color, text_color);
11452 assert_eq!(out[1].color, adjusted_bg1);
11453 assert_eq!(out[2].color, adjusted_bg1);
11454 }
11455
11456 // Case C: multi-byte characters
11457 {
11458 // for text: "Hello π δΈη!"
11459 let runs = vec![
11460 generate_test_run(5, text_color), // "Hello"
11461 generate_test_run(6, text_color), // " π "
11462 generate_test_run(6, text_color), // "δΈη"
11463 generate_test_run(1, text_color), // "!"
11464 ];
11465 // selecting "π δΈ"
11466 let segs = vec![(dx(6, 14), bg_1)];
11467 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11468 // "Hello" | " " | "π " | "δΈ" | "η" | "!"
11469 assert_eq!(
11470 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11471 vec![5, 1, 5, 3, 3, 1]
11472 );
11473 assert_eq!(out[0].color, text_color); // "Hello"
11474 assert_eq!(out[2].color, adjusted_bg1); // "π "
11475 assert_eq!(out[3].color, adjusted_bg1); // "δΈ"
11476 assert_eq!(out[4].color, text_color); // "η"
11477 assert_eq!(out[5].color, text_color); // "!"
11478 }
11479
11480 // Case D: split multiple consecutive text runs with segments
11481 {
11482 let segs = vec![
11483 (dx(2, 4), bg_1), // selecting "cd"
11484 (dx(4, 8), bg_2), // selecting "efgh"
11485 (dx(9, 11), bg_1), // selecting "jk"
11486 (dx(12, 16), bg_2), // selecting "mnop"
11487 (dx(18, 19), bg_1), // selecting "s"
11488 ];
11489
11490 // for text: "abcdef"
11491 let runs = vec![
11492 generate_test_run(2, text_color), // ab
11493 generate_test_run(4, text_color), // cdef
11494 ];
11495 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11496 // new splits "ab", "cd", "ef"
11497 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![2, 2, 2]);
11498 assert_eq!(out[0].color, text_color);
11499 assert_eq!(out[1].color, adjusted_bg1);
11500 assert_eq!(out[2].color, adjusted_bg2);
11501
11502 // for text: "ghijklmn"
11503 let runs = vec![
11504 generate_test_run(3, text_color), // ghi
11505 generate_test_run(2, text_color), // jk
11506 generate_test_run(3, text_color), // lmn
11507 ];
11508 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 6); // 2 + 4 from first run
11509 // new splits "gh", "i", "jk", "l", "mn"
11510 assert_eq!(
11511 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11512 vec![2, 1, 2, 1, 2]
11513 );
11514 assert_eq!(out[0].color, adjusted_bg2);
11515 assert_eq!(out[1].color, text_color);
11516 assert_eq!(out[2].color, adjusted_bg1);
11517 assert_eq!(out[3].color, text_color);
11518 assert_eq!(out[4].color, adjusted_bg2);
11519
11520 // for text: "opqrs"
11521 let runs = vec![
11522 generate_test_run(1, text_color), // o
11523 generate_test_run(4, text_color), // pqrs
11524 ];
11525 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 14); // 6 + 3 + 2 + 3 from first two runs
11526 // new splits "o", "p", "qr", "s"
11527 assert_eq!(
11528 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11529 vec![1, 1, 2, 1]
11530 );
11531 assert_eq!(out[0].color, adjusted_bg2);
11532 assert_eq!(out[1].color, adjusted_bg2);
11533 assert_eq!(out[2].color, text_color);
11534 assert_eq!(out[3].color, adjusted_bg1);
11535 }
11536 }
11537}