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_at_level_1);
436 register_action(editor, window, Editor::fold_at_level_2);
437 register_action(editor, window, Editor::fold_at_level_3);
438 register_action(editor, window, Editor::fold_at_level_4);
439 register_action(editor, window, Editor::fold_at_level_5);
440 register_action(editor, window, Editor::fold_at_level_6);
441 register_action(editor, window, Editor::fold_at_level_7);
442 register_action(editor, window, Editor::fold_at_level_8);
443 register_action(editor, window, Editor::fold_at_level_9);
444 register_action(editor, window, Editor::fold_all);
445 register_action(editor, window, Editor::fold_function_bodies);
446 register_action(editor, window, Editor::fold_recursive);
447 register_action(editor, window, Editor::toggle_fold);
448 register_action(editor, window, Editor::toggle_fold_recursive);
449 register_action(editor, window, Editor::toggle_fold_all);
450 register_action(editor, window, Editor::unfold_lines);
451 register_action(editor, window, Editor::unfold_recursive);
452 register_action(editor, window, Editor::unfold_all);
453 register_action(editor, window, Editor::fold_selected_ranges);
454 register_action(editor, window, Editor::set_mark);
455 register_action(editor, window, Editor::swap_selection_ends);
456 register_action(editor, window, Editor::show_completions);
457 register_action(editor, window, Editor::show_word_completions);
458 register_action(editor, window, Editor::toggle_code_actions);
459 register_action(editor, window, Editor::open_excerpts);
460 register_action(editor, window, Editor::open_excerpts_in_split);
461 register_action(editor, window, Editor::open_proposed_changes_editor);
462 register_action(editor, window, Editor::toggle_soft_wrap);
463 register_action(editor, window, Editor::toggle_tab_bar);
464 register_action(editor, window, Editor::toggle_line_numbers);
465 register_action(editor, window, Editor::toggle_relative_line_numbers);
466 register_action(editor, window, Editor::toggle_indent_guides);
467 register_action(editor, window, Editor::toggle_inlay_hints);
468 register_action(editor, window, Editor::toggle_edit_predictions);
469 if editor.read(cx).diagnostics_enabled() {
470 register_action(editor, window, Editor::toggle_diagnostics);
471 }
472 if editor.read(cx).inline_diagnostics_enabled() {
473 register_action(editor, window, Editor::toggle_inline_diagnostics);
474 }
475 if editor.read(cx).supports_minimap(cx) {
476 register_action(editor, window, Editor::toggle_minimap);
477 }
478 register_action(editor, window, hover_popover::hover);
479 register_action(editor, window, Editor::reveal_in_finder);
480 register_action(editor, window, Editor::copy_path);
481 register_action(editor, window, Editor::copy_relative_path);
482 register_action(editor, window, Editor::copy_file_name);
483 register_action(editor, window, Editor::copy_file_name_without_extension);
484 register_action(editor, window, Editor::copy_highlight_json);
485 register_action(editor, window, Editor::copy_permalink_to_line);
486 register_action(editor, window, Editor::open_permalink_to_line);
487 register_action(editor, window, Editor::copy_file_location);
488 register_action(editor, window, Editor::toggle_git_blame);
489 register_action(editor, window, Editor::toggle_git_blame_inline);
490 register_action(editor, window, Editor::open_git_blame_commit);
491 register_action(editor, window, Editor::toggle_selected_diff_hunks);
492 register_action(editor, window, Editor::toggle_staged_selected_diff_hunks);
493 register_action(editor, window, Editor::stage_and_next);
494 register_action(editor, window, Editor::unstage_and_next);
495 register_action(editor, window, Editor::expand_all_diff_hunks);
496 register_action(editor, window, Editor::go_to_previous_change);
497 register_action(editor, window, Editor::go_to_next_change);
498
499 register_action(editor, window, |editor, action, window, cx| {
500 if let Some(task) = editor.format(action, window, cx) {
501 task.detach_and_notify_err(window, cx);
502 } else {
503 cx.propagate();
504 }
505 });
506 register_action(editor, window, |editor, action, window, cx| {
507 if let Some(task) = editor.format_selections(action, window, cx) {
508 task.detach_and_notify_err(window, cx);
509 } else {
510 cx.propagate();
511 }
512 });
513 register_action(editor, window, |editor, action, window, cx| {
514 if let Some(task) = editor.organize_imports(action, window, cx) {
515 task.detach_and_notify_err(window, cx);
516 } else {
517 cx.propagate();
518 }
519 });
520 register_action(editor, window, Editor::restart_language_server);
521 register_action(editor, window, Editor::stop_language_server);
522 register_action(editor, window, Editor::show_character_palette);
523 register_action(editor, window, |editor, action, window, cx| {
524 if let Some(task) = editor.confirm_completion(action, window, cx) {
525 task.detach_and_notify_err(window, cx);
526 } else {
527 cx.propagate();
528 }
529 });
530 register_action(editor, window, |editor, action, window, cx| {
531 if let Some(task) = editor.confirm_completion_replace(action, window, cx) {
532 task.detach_and_notify_err(window, cx);
533 } else {
534 cx.propagate();
535 }
536 });
537 register_action(editor, window, |editor, action, window, cx| {
538 if let Some(task) = editor.confirm_completion_insert(action, window, cx) {
539 task.detach_and_notify_err(window, cx);
540 } else {
541 cx.propagate();
542 }
543 });
544 register_action(editor, window, |editor, action, window, cx| {
545 if let Some(task) = editor.compose_completion(action, window, cx) {
546 task.detach_and_notify_err(window, cx);
547 } else {
548 cx.propagate();
549 }
550 });
551 register_action(editor, window, |editor, action, window, cx| {
552 if let Some(task) = editor.confirm_code_action(action, window, cx) {
553 task.detach_and_notify_err(window, cx);
554 } else {
555 cx.propagate();
556 }
557 });
558 register_action(editor, window, |editor, action, window, cx| {
559 if let Some(task) = editor.rename(action, window, cx) {
560 task.detach_and_notify_err(window, cx);
561 } else {
562 cx.propagate();
563 }
564 });
565 register_action(editor, window, |editor, action, window, cx| {
566 if let Some(task) = editor.confirm_rename(action, window, cx) {
567 task.detach_and_notify_err(window, cx);
568 } else {
569 cx.propagate();
570 }
571 });
572 register_action(editor, window, |editor, action, window, cx| {
573 if let Some(task) = editor.find_all_references(action, window, cx) {
574 task.detach_and_log_err(cx);
575 } else {
576 cx.propagate();
577 }
578 });
579 register_action(editor, window, Editor::show_signature_help);
580 register_action(editor, window, Editor::signature_help_prev);
581 register_action(editor, window, Editor::signature_help_next);
582 register_action(editor, window, Editor::next_edit_prediction);
583 register_action(editor, window, Editor::previous_edit_prediction);
584 register_action(editor, window, Editor::show_edit_prediction);
585 register_action(editor, window, Editor::context_menu_first);
586 register_action(editor, window, Editor::context_menu_prev);
587 register_action(editor, window, Editor::context_menu_next);
588 register_action(editor, window, Editor::context_menu_last);
589 register_action(editor, window, Editor::display_cursor_names);
590 register_action(editor, window, Editor::unique_lines_case_insensitive);
591 register_action(editor, window, Editor::unique_lines_case_sensitive);
592 register_action(editor, window, Editor::accept_partial_edit_prediction);
593 register_action(editor, window, Editor::accept_edit_prediction);
594 register_action(editor, window, Editor::restore_file);
595 register_action(editor, window, Editor::git_restore);
596 register_action(editor, window, Editor::apply_all_diff_hunks);
597 register_action(editor, window, Editor::apply_selected_diff_hunks);
598 register_action(editor, window, Editor::open_active_item_in_terminal);
599 register_action(editor, window, Editor::reload_file);
600 register_action(editor, window, Editor::spawn_nearest_task);
601 register_action(editor, window, Editor::insert_uuid_v4);
602 register_action(editor, window, Editor::insert_uuid_v7);
603 register_action(editor, window, Editor::open_selections_in_multibuffer);
604 register_action(editor, window, Editor::toggle_breakpoint);
605 register_action(editor, window, Editor::edit_log_breakpoint);
606 register_action(editor, window, Editor::enable_breakpoint);
607 register_action(editor, window, Editor::disable_breakpoint);
608 if editor.read(cx).enable_wrap_selections_in_tag(cx) {
609 register_action(editor, window, Editor::wrap_selections_in_tag);
610 }
611 }
612
613 fn register_key_listeners(&self, window: &mut Window, _: &mut App, layout: &EditorLayout) {
614 let position_map = layout.position_map.clone();
615 window.on_key_event({
616 let editor = self.editor.clone();
617 move |event: &ModifiersChangedEvent, phase, window, cx| {
618 if phase != DispatchPhase::Bubble {
619 return;
620 }
621 editor.update(cx, |editor, cx| {
622 let inlay_hint_settings = inlay_hint_settings(
623 editor.selections.newest_anchor().head(),
624 &editor.buffer.read(cx).snapshot(cx),
625 cx,
626 );
627
628 if let Some(inlay_modifiers) = inlay_hint_settings
629 .toggle_on_modifiers_press
630 .as_ref()
631 .filter(|modifiers| modifiers.modified())
632 {
633 editor.refresh_inlay_hints(
634 InlayHintRefreshReason::ModifiersChanged(
635 inlay_modifiers == &event.modifiers,
636 ),
637 cx,
638 );
639 }
640
641 if editor.hover_state.focused(window, cx) {
642 return;
643 }
644
645 editor.handle_modifiers_changed(event.modifiers, &position_map, window, cx);
646 })
647 }
648 });
649 }
650
651 fn mouse_left_down(
652 editor: &mut Editor,
653 event: &MouseDownEvent,
654 hovered_hunk: Option<Range<Anchor>>,
655 position_map: &PositionMap,
656 line_numbers: &HashMap<MultiBufferRow, LineNumberLayout>,
657 window: &mut Window,
658 cx: &mut Context<Editor>,
659 ) {
660 if window.default_prevented() {
661 return;
662 }
663
664 let text_hitbox = &position_map.text_hitbox;
665 let gutter_hitbox = &position_map.gutter_hitbox;
666 let point_for_position = position_map.point_for_position(event.position);
667 let mut click_count = event.click_count;
668 let mut modifiers = event.modifiers;
669
670 if let Some(hovered_hunk) = hovered_hunk {
671 editor.toggle_single_diff_hunk(hovered_hunk, cx);
672 cx.notify();
673 return;
674 } else if gutter_hitbox.is_hovered(window) {
675 click_count = 3; // Simulate triple-click when clicking the gutter to select lines
676 } else if !text_hitbox.is_hovered(window) {
677 return;
678 }
679
680 if EditorSettings::get_global(cx)
681 .drag_and_drop_selection
682 .enabled
683 && click_count == 1
684 && !modifiers.shift
685 {
686 let newest_anchor = editor.selections.newest_anchor();
687 let snapshot = editor.snapshot(window, cx);
688 let selection = newest_anchor.map(|anchor| anchor.to_display_point(&snapshot));
689 if point_for_position.intersects_selection(&selection) {
690 editor.selection_drag_state = SelectionDragState::ReadyToDrag {
691 selection: newest_anchor.clone(),
692 click_position: event.position,
693 mouse_down_time: Instant::now(),
694 };
695 cx.stop_propagation();
696 return;
697 }
698 }
699
700 let is_singleton = editor.buffer().read(cx).is_singleton();
701
702 if click_count == 2 && !is_singleton {
703 match EditorSettings::get_global(cx).double_click_in_multibuffer {
704 DoubleClickInMultibuffer::Select => {
705 // do nothing special on double click, all selection logic is below
706 }
707 DoubleClickInMultibuffer::Open => {
708 if modifiers.alt {
709 // if double click is made with alt, pretend it's a regular double click without opening and alt,
710 // and run the selection logic.
711 modifiers.alt = false;
712 } else {
713 let scroll_position_row = position_map.scroll_position.y;
714 let display_row = (((event.position - gutter_hitbox.bounds.origin).y
715 / position_map.line_height)
716 as f64
717 + position_map.scroll_position.y)
718 as u32;
719 let multi_buffer_row = position_map
720 .snapshot
721 .display_point_to_point(
722 DisplayPoint::new(DisplayRow(display_row), 0),
723 Bias::Right,
724 )
725 .row;
726 let line_offset_from_top = display_row - scroll_position_row as u32;
727 // if double click is made without alt, open the corresponding excerp
728 editor.open_excerpts_common(
729 Some(JumpData::MultiBufferRow {
730 row: MultiBufferRow(multi_buffer_row),
731 line_offset_from_top,
732 }),
733 false,
734 window,
735 cx,
736 );
737 return;
738 }
739 }
740 }
741 }
742
743 if !is_singleton {
744 let display_row = (ScrollPixelOffset::from(
745 (event.position - gutter_hitbox.bounds.origin).y / position_map.line_height,
746 ) + position_map.scroll_position.y) as u32;
747 let multi_buffer_row = position_map
748 .snapshot
749 .display_point_to_point(DisplayPoint::new(DisplayRow(display_row), 0), Bias::Right)
750 .row;
751 if line_numbers
752 .get(&MultiBufferRow(multi_buffer_row))
753 .and_then(|line_number| line_number.hitbox.as_ref())
754 .is_some_and(|hitbox| hitbox.contains(&event.position))
755 {
756 let line_offset_from_top = display_row - position_map.scroll_position.y as u32;
757
758 editor.open_excerpts_common(
759 Some(JumpData::MultiBufferRow {
760 row: MultiBufferRow(multi_buffer_row),
761 line_offset_from_top,
762 }),
763 modifiers.alt,
764 window,
765 cx,
766 );
767 cx.stop_propagation();
768 return;
769 }
770 }
771
772 let position = point_for_position.previous_valid;
773 if let Some(mode) = Editor::columnar_selection_mode(&modifiers, cx) {
774 editor.select(
775 SelectPhase::BeginColumnar {
776 position,
777 reset: match mode {
778 ColumnarMode::FromMouse => true,
779 ColumnarMode::FromSelection => false,
780 },
781 mode,
782 goal_column: point_for_position.exact_unclipped.column(),
783 },
784 window,
785 cx,
786 );
787 } else if modifiers.shift && !modifiers.control && !modifiers.alt && !modifiers.secondary()
788 {
789 editor.select(
790 SelectPhase::Extend {
791 position,
792 click_count,
793 },
794 window,
795 cx,
796 );
797 } else {
798 editor.select(
799 SelectPhase::Begin {
800 position,
801 add: Editor::multi_cursor_modifier(true, &modifiers, cx),
802 click_count,
803 },
804 window,
805 cx,
806 );
807 }
808 cx.stop_propagation();
809 }
810
811 fn mouse_right_down(
812 editor: &mut Editor,
813 event: &MouseDownEvent,
814 position_map: &PositionMap,
815 window: &mut Window,
816 cx: &mut Context<Editor>,
817 ) {
818 if position_map.gutter_hitbox.is_hovered(window) {
819 let gutter_right_padding = editor.gutter_dimensions.right_padding;
820 let hitbox = &position_map.gutter_hitbox;
821
822 if event.position.x <= hitbox.bounds.right() - gutter_right_padding {
823 let point_for_position = position_map.point_for_position(event.position);
824 editor.set_breakpoint_context_menu(
825 point_for_position.previous_valid.row(),
826 None,
827 event.position,
828 window,
829 cx,
830 );
831 }
832 return;
833 }
834
835 if !position_map.text_hitbox.is_hovered(window) {
836 return;
837 }
838
839 let point_for_position = position_map.point_for_position(event.position);
840 mouse_context_menu::deploy_context_menu(
841 editor,
842 Some(event.position),
843 point_for_position.previous_valid,
844 window,
845 cx,
846 );
847 cx.stop_propagation();
848 }
849
850 fn mouse_middle_down(
851 editor: &mut Editor,
852 event: &MouseDownEvent,
853 position_map: &PositionMap,
854 window: &mut Window,
855 cx: &mut Context<Editor>,
856 ) {
857 if !position_map.text_hitbox.is_hovered(window) || window.default_prevented() {
858 return;
859 }
860
861 let point_for_position = position_map.point_for_position(event.position);
862 let position = point_for_position.previous_valid;
863
864 editor.select(
865 SelectPhase::BeginColumnar {
866 position,
867 reset: true,
868 mode: ColumnarMode::FromMouse,
869 goal_column: point_for_position.exact_unclipped.column(),
870 },
871 window,
872 cx,
873 );
874 }
875
876 fn mouse_up(
877 editor: &mut Editor,
878 event: &MouseUpEvent,
879 position_map: &PositionMap,
880 window: &mut Window,
881 cx: &mut Context<Editor>,
882 ) {
883 let text_hitbox = &position_map.text_hitbox;
884 let end_selection = editor.has_pending_selection();
885 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
886 let point_for_position = position_map.point_for_position(event.position);
887
888 match editor.selection_drag_state {
889 SelectionDragState::ReadyToDrag {
890 selection: _,
891 ref click_position,
892 mouse_down_time: _,
893 } => {
894 if event.position == *click_position {
895 editor.select(
896 SelectPhase::Begin {
897 position: point_for_position.previous_valid,
898 add: false,
899 click_count: 1, // ready to drag state only occurs on click count 1
900 },
901 window,
902 cx,
903 );
904 editor.selection_drag_state = SelectionDragState::None;
905 cx.stop_propagation();
906 return;
907 } else {
908 debug_panic!("drag state can never be in ready state after drag")
909 }
910 }
911 SelectionDragState::Dragging { ref selection, .. } => {
912 let snapshot = editor.snapshot(window, cx);
913 let selection_display = selection.map(|anchor| anchor.to_display_point(&snapshot));
914 if !point_for_position.intersects_selection(&selection_display)
915 && text_hitbox.is_hovered(window)
916 {
917 let is_cut = !(cfg!(target_os = "macos") && event.modifiers.alt
918 || cfg!(not(target_os = "macos")) && event.modifiers.control);
919 editor.move_selection_on_drop(
920 &selection.clone(),
921 point_for_position.previous_valid,
922 is_cut,
923 window,
924 cx,
925 );
926 }
927 editor.selection_drag_state = SelectionDragState::None;
928 cx.stop_propagation();
929 cx.notify();
930 return;
931 }
932 _ => {}
933 }
934
935 if end_selection {
936 editor.select(SelectPhase::End, window, cx);
937 }
938
939 if end_selection && pending_nonempty_selections {
940 cx.stop_propagation();
941 } else if cfg!(any(target_os = "linux", target_os = "freebsd"))
942 && event.button == MouseButton::Middle
943 {
944 #[allow(
945 clippy::collapsible_if,
946 clippy::needless_return,
947 reason = "The cfg-block below makes this a false positive"
948 )]
949 if !text_hitbox.is_hovered(window) || editor.read_only(cx) {
950 return;
951 }
952
953 #[cfg(any(target_os = "linux", target_os = "freebsd"))]
954 if EditorSettings::get_global(cx).middle_click_paste {
955 if let Some(text) = cx.read_from_primary().and_then(|item| item.text()) {
956 let point_for_position = position_map.point_for_position(event.position);
957 let position = point_for_position.previous_valid;
958
959 editor.select(
960 SelectPhase::Begin {
961 position,
962 add: false,
963 click_count: 1,
964 },
965 window,
966 cx,
967 );
968 editor.insert(&text, window, cx);
969 }
970 cx.stop_propagation()
971 }
972 }
973 }
974
975 fn click(
976 editor: &mut Editor,
977 event: &ClickEvent,
978 position_map: &PositionMap,
979 window: &mut Window,
980 cx: &mut Context<Editor>,
981 ) {
982 let text_hitbox = &position_map.text_hitbox;
983 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
984
985 let hovered_link_modifier = Editor::multi_cursor_modifier(false, &event.modifiers(), cx);
986
987 if let Some(mouse_position) = event.mouse_position()
988 && !pending_nonempty_selections
989 && hovered_link_modifier
990 && text_hitbox.is_hovered(window)
991 {
992 let point = position_map.point_for_position(mouse_position);
993 editor.handle_click_hovered_link(point, event.modifiers(), window, cx);
994 editor.selection_drag_state = SelectionDragState::None;
995
996 cx.stop_propagation();
997 }
998 }
999
1000 fn mouse_dragged(
1001 editor: &mut Editor,
1002 event: &MouseMoveEvent,
1003 position_map: &PositionMap,
1004 window: &mut Window,
1005 cx: &mut Context<Editor>,
1006 ) {
1007 if !editor.has_pending_selection()
1008 && matches!(editor.selection_drag_state, SelectionDragState::None)
1009 {
1010 return;
1011 }
1012
1013 let point_for_position = position_map.point_for_position(event.position);
1014 let text_hitbox = &position_map.text_hitbox;
1015
1016 let scroll_delta = {
1017 let text_bounds = text_hitbox.bounds;
1018 let mut scroll_delta = gpui::Point::<f32>::default();
1019 let vertical_margin = position_map.line_height.min(text_bounds.size.height / 3.0);
1020 let top = text_bounds.origin.y + vertical_margin;
1021 let bottom = text_bounds.bottom_left().y - vertical_margin;
1022 if event.position.y < top {
1023 scroll_delta.y = -scale_vertical_mouse_autoscroll_delta(top - event.position.y);
1024 }
1025 if event.position.y > bottom {
1026 scroll_delta.y = scale_vertical_mouse_autoscroll_delta(event.position.y - bottom);
1027 }
1028
1029 // We need horizontal width of text
1030 let style = editor.style.clone().unwrap_or_default();
1031 let font_id = window.text_system().resolve_font(&style.text.font());
1032 let font_size = style.text.font_size.to_pixels(window.rem_size());
1033 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
1034
1035 let scroll_margin_x = EditorSettings::get_global(cx).horizontal_scroll_margin;
1036
1037 let scroll_space: Pixels = scroll_margin_x * em_width;
1038
1039 let left = text_bounds.origin.x + scroll_space;
1040 let right = text_bounds.top_right().x - scroll_space;
1041
1042 if event.position.x < left {
1043 scroll_delta.x = -scale_horizontal_mouse_autoscroll_delta(left - event.position.x);
1044 }
1045 if event.position.x > right {
1046 scroll_delta.x = scale_horizontal_mouse_autoscroll_delta(event.position.x - right);
1047 }
1048 scroll_delta
1049 };
1050
1051 if !editor.has_pending_selection() {
1052 let drop_anchor = position_map
1053 .snapshot
1054 .display_point_to_anchor(point_for_position.previous_valid, Bias::Left);
1055 match editor.selection_drag_state {
1056 SelectionDragState::Dragging {
1057 ref mut drop_cursor,
1058 ref mut hide_drop_cursor,
1059 ..
1060 } => {
1061 drop_cursor.start = drop_anchor;
1062 drop_cursor.end = drop_anchor;
1063 *hide_drop_cursor = !text_hitbox.is_hovered(window);
1064 editor.apply_scroll_delta(scroll_delta, window, cx);
1065 cx.notify();
1066 }
1067 SelectionDragState::ReadyToDrag {
1068 ref selection,
1069 ref click_position,
1070 ref mouse_down_time,
1071 } => {
1072 let drag_and_drop_delay = Duration::from_millis(
1073 EditorSettings::get_global(cx).drag_and_drop_selection.delay,
1074 );
1075 if mouse_down_time.elapsed() >= drag_and_drop_delay {
1076 let drop_cursor = Selection {
1077 id: post_inc(&mut editor.selections.next_selection_id()),
1078 start: drop_anchor,
1079 end: drop_anchor,
1080 reversed: false,
1081 goal: SelectionGoal::None,
1082 };
1083 editor.selection_drag_state = SelectionDragState::Dragging {
1084 selection: selection.clone(),
1085 drop_cursor,
1086 hide_drop_cursor: false,
1087 };
1088 editor.apply_scroll_delta(scroll_delta, window, cx);
1089 cx.notify();
1090 } else {
1091 let click_point = position_map.point_for_position(*click_position);
1092 editor.selection_drag_state = SelectionDragState::None;
1093 editor.select(
1094 SelectPhase::Begin {
1095 position: click_point.previous_valid,
1096 add: false,
1097 click_count: 1,
1098 },
1099 window,
1100 cx,
1101 );
1102 editor.select(
1103 SelectPhase::Update {
1104 position: point_for_position.previous_valid,
1105 goal_column: point_for_position.exact_unclipped.column(),
1106 scroll_delta,
1107 },
1108 window,
1109 cx,
1110 );
1111 }
1112 }
1113 _ => {}
1114 }
1115 } else {
1116 editor.select(
1117 SelectPhase::Update {
1118 position: point_for_position.previous_valid,
1119 goal_column: point_for_position.exact_unclipped.column(),
1120 scroll_delta,
1121 },
1122 window,
1123 cx,
1124 );
1125 }
1126 }
1127
1128 fn mouse_moved(
1129 editor: &mut Editor,
1130 event: &MouseMoveEvent,
1131 position_map: &PositionMap,
1132 window: &mut Window,
1133 cx: &mut Context<Editor>,
1134 ) {
1135 let text_hitbox = &position_map.text_hitbox;
1136 let gutter_hitbox = &position_map.gutter_hitbox;
1137 let modifiers = event.modifiers;
1138 let text_hovered = text_hitbox.is_hovered(window);
1139 let gutter_hovered = gutter_hitbox.is_hovered(window);
1140 editor.set_gutter_hovered(gutter_hovered, cx);
1141 editor.show_mouse_cursor(cx);
1142
1143 let point_for_position = position_map.point_for_position(event.position);
1144 let valid_point = point_for_position.previous_valid;
1145
1146 let hovered_diff_control = position_map
1147 .diff_hunk_control_bounds
1148 .iter()
1149 .find(|(_, bounds)| bounds.contains(&event.position))
1150 .map(|(row, _)| *row);
1151
1152 let hovered_diff_hunk_row = if let Some(control_row) = hovered_diff_control {
1153 Some(control_row)
1154 } else if text_hovered {
1155 let current_row = valid_point.row();
1156 position_map.display_hunks.iter().find_map(|(hunk, _)| {
1157 if let DisplayDiffHunk::Unfolded {
1158 display_row_range, ..
1159 } = hunk
1160 {
1161 if display_row_range.contains(¤t_row) {
1162 Some(display_row_range.start)
1163 } else {
1164 None
1165 }
1166 } else {
1167 None
1168 }
1169 })
1170 } else {
1171 None
1172 };
1173
1174 if hovered_diff_hunk_row != editor.hovered_diff_hunk_row {
1175 editor.hovered_diff_hunk_row = hovered_diff_hunk_row;
1176 cx.notify();
1177 }
1178
1179 if let Some((bounds, buffer_id, blame_entry)) = &position_map.inline_blame_bounds {
1180 let mouse_over_inline_blame = bounds.contains(&event.position);
1181 let mouse_over_popover = editor
1182 .inline_blame_popover
1183 .as_ref()
1184 .and_then(|state| state.popover_bounds)
1185 .is_some_and(|bounds| bounds.contains(&event.position));
1186 let keyboard_grace = editor
1187 .inline_blame_popover
1188 .as_ref()
1189 .is_some_and(|state| state.keyboard_grace);
1190
1191 if mouse_over_inline_blame || mouse_over_popover {
1192 editor.show_blame_popover(*buffer_id, blame_entry, event.position, false, cx);
1193 } else if !keyboard_grace {
1194 editor.hide_blame_popover(cx);
1195 }
1196 } else {
1197 editor.hide_blame_popover(cx);
1198 }
1199
1200 let breakpoint_indicator = if gutter_hovered {
1201 let buffer_anchor = position_map
1202 .snapshot
1203 .display_point_to_anchor(valid_point, Bias::Left);
1204
1205 if let Some((buffer_snapshot, file)) = position_map
1206 .snapshot
1207 .buffer_snapshot()
1208 .buffer_for_excerpt(buffer_anchor.excerpt_id)
1209 .and_then(|buffer| buffer.file().map(|file| (buffer, file)))
1210 {
1211 let as_point = text::ToPoint::to_point(&buffer_anchor.text_anchor, buffer_snapshot);
1212
1213 let is_visible = editor
1214 .gutter_breakpoint_indicator
1215 .0
1216 .is_some_and(|indicator| indicator.is_active);
1217
1218 let has_existing_breakpoint =
1219 editor.breakpoint_store.as_ref().is_some_and(|store| {
1220 let Some(project) = &editor.project else {
1221 return false;
1222 };
1223 let Some(abs_path) = project.read(cx).absolute_path(
1224 &ProjectPath {
1225 path: file.path().clone(),
1226 worktree_id: file.worktree_id(cx),
1227 },
1228 cx,
1229 ) else {
1230 return false;
1231 };
1232 store
1233 .read(cx)
1234 .breakpoint_at_row(&abs_path, as_point.row, cx)
1235 .is_some()
1236 });
1237
1238 if !is_visible {
1239 editor.gutter_breakpoint_indicator.1.get_or_insert_with(|| {
1240 cx.spawn(async move |this, cx| {
1241 cx.background_executor()
1242 .timer(Duration::from_millis(200))
1243 .await;
1244
1245 this.update(cx, |this, cx| {
1246 if let Some(indicator) = this.gutter_breakpoint_indicator.0.as_mut()
1247 {
1248 indicator.is_active = true;
1249 cx.notify();
1250 }
1251 })
1252 .ok();
1253 })
1254 });
1255 }
1256
1257 Some(PhantomBreakpointIndicator {
1258 display_row: valid_point.row(),
1259 is_active: is_visible,
1260 collides_with_existing_breakpoint: has_existing_breakpoint,
1261 })
1262 } else {
1263 editor.gutter_breakpoint_indicator.1 = None;
1264 None
1265 }
1266 } else {
1267 editor.gutter_breakpoint_indicator.1 = None;
1268 None
1269 };
1270
1271 if &breakpoint_indicator != &editor.gutter_breakpoint_indicator.0 {
1272 editor.gutter_breakpoint_indicator.0 = breakpoint_indicator;
1273 cx.notify();
1274 }
1275
1276 // Don't trigger hover popover if mouse is hovering over context menu
1277 if text_hovered {
1278 editor.update_hovered_link(
1279 point_for_position,
1280 &position_map.snapshot,
1281 modifiers,
1282 window,
1283 cx,
1284 );
1285
1286 if let Some(point) = point_for_position.as_valid() {
1287 let anchor = position_map
1288 .snapshot
1289 .buffer_snapshot()
1290 .anchor_before(point.to_offset(&position_map.snapshot, Bias::Left));
1291 hover_at(editor, Some(anchor), window, cx);
1292 Self::update_visible_cursor(editor, point, position_map, window, cx);
1293 } else {
1294 hover_at(editor, None, window, cx);
1295 }
1296 } else {
1297 editor.hide_hovered_link(cx);
1298 hover_at(editor, None, window, cx);
1299 }
1300 }
1301
1302 fn update_visible_cursor(
1303 editor: &mut Editor,
1304 point: DisplayPoint,
1305 position_map: &PositionMap,
1306 window: &mut Window,
1307 cx: &mut Context<Editor>,
1308 ) {
1309 let snapshot = &position_map.snapshot;
1310 let Some(hub) = editor.collaboration_hub() else {
1311 return;
1312 };
1313 let start = snapshot.display_snapshot.clip_point(
1314 DisplayPoint::new(point.row(), point.column().saturating_sub(1)),
1315 Bias::Left,
1316 );
1317 let end = snapshot.display_snapshot.clip_point(
1318 DisplayPoint::new(
1319 point.row(),
1320 (point.column() + 1).min(snapshot.line_len(point.row())),
1321 ),
1322 Bias::Right,
1323 );
1324
1325 let range = snapshot
1326 .buffer_snapshot()
1327 .anchor_before(start.to_point(&snapshot.display_snapshot))
1328 ..snapshot
1329 .buffer_snapshot()
1330 .anchor_after(end.to_point(&snapshot.display_snapshot));
1331
1332 let Some(selection) = snapshot.remote_selections_in_range(&range, hub, cx).next() else {
1333 return;
1334 };
1335 let key = crate::HoveredCursor {
1336 replica_id: selection.replica_id,
1337 selection_id: selection.selection.id,
1338 };
1339 editor.hovered_cursors.insert(
1340 key.clone(),
1341 cx.spawn_in(window, async move |editor, cx| {
1342 cx.background_executor().timer(CURSORS_VISIBLE_FOR).await;
1343 editor
1344 .update(cx, |editor, cx| {
1345 editor.hovered_cursors.remove(&key);
1346 cx.notify();
1347 })
1348 .ok();
1349 }),
1350 );
1351 cx.notify()
1352 }
1353
1354 fn layout_selections(
1355 &self,
1356 start_anchor: Anchor,
1357 end_anchor: Anchor,
1358 local_selections: &[Selection<Point>],
1359 snapshot: &EditorSnapshot,
1360 start_row: DisplayRow,
1361 end_row: DisplayRow,
1362 window: &mut Window,
1363 cx: &mut App,
1364 ) -> (
1365 Vec<(PlayerColor, Vec<SelectionLayout>)>,
1366 BTreeMap<DisplayRow, LineHighlightSpec>,
1367 Option<DisplayPoint>,
1368 ) {
1369 let mut selections: Vec<(PlayerColor, Vec<SelectionLayout>)> = Vec::new();
1370 let mut active_rows = BTreeMap::new();
1371 let mut newest_selection_head = None;
1372
1373 let Some(editor_with_selections) = self.editor_with_selections(cx) else {
1374 return (selections, active_rows, newest_selection_head);
1375 };
1376
1377 editor_with_selections.update(cx, |editor, cx| {
1378 if editor.show_local_selections {
1379 let mut layouts = Vec::new();
1380 let newest = editor.selections.newest(&editor.display_snapshot(cx));
1381 for selection in local_selections.iter().cloned() {
1382 let is_empty = selection.start == selection.end;
1383 let is_newest = selection == newest;
1384
1385 let layout = SelectionLayout::new(
1386 selection,
1387 editor.selections.line_mode(),
1388 editor.cursor_shape,
1389 &snapshot.display_snapshot,
1390 is_newest,
1391 editor.leader_id.is_none(),
1392 None,
1393 );
1394 if is_newest {
1395 newest_selection_head = Some(layout.head);
1396 }
1397
1398 for row in cmp::max(layout.active_rows.start.0, start_row.0)
1399 ..=cmp::min(layout.active_rows.end.0, end_row.0)
1400 {
1401 let contains_non_empty_selection = active_rows
1402 .entry(DisplayRow(row))
1403 .or_insert_with(LineHighlightSpec::default);
1404 contains_non_empty_selection.selection |= !is_empty;
1405 }
1406 layouts.push(layout);
1407 }
1408
1409 let player = editor.current_user_player_color(cx);
1410 selections.push((player, layouts));
1411
1412 if let SelectionDragState::Dragging {
1413 ref selection,
1414 ref drop_cursor,
1415 ref hide_drop_cursor,
1416 } = editor.selection_drag_state
1417 && !hide_drop_cursor
1418 && (drop_cursor
1419 .start
1420 .cmp(&selection.start, &snapshot.buffer_snapshot())
1421 .eq(&Ordering::Less)
1422 || drop_cursor
1423 .end
1424 .cmp(&selection.end, &snapshot.buffer_snapshot())
1425 .eq(&Ordering::Greater))
1426 {
1427 let drag_cursor_layout = SelectionLayout::new(
1428 drop_cursor.clone(),
1429 false,
1430 CursorShape::Bar,
1431 &snapshot.display_snapshot,
1432 false,
1433 false,
1434 None,
1435 );
1436 let absent_color = cx.theme().players().absent();
1437 selections.push((absent_color, vec![drag_cursor_layout]));
1438 }
1439 }
1440
1441 if let Some(collaboration_hub) = &editor.collaboration_hub {
1442 // When following someone, render the local selections in their color.
1443 if let Some(leader_id) = editor.leader_id {
1444 match leader_id {
1445 CollaboratorId::PeerId(peer_id) => {
1446 if let Some(collaborator) =
1447 collaboration_hub.collaborators(cx).get(&peer_id)
1448 && let Some(participant_index) = collaboration_hub
1449 .user_participant_indices(cx)
1450 .get(&collaborator.user_id)
1451 && let Some((local_selection_style, _)) = selections.first_mut()
1452 {
1453 *local_selection_style = cx
1454 .theme()
1455 .players()
1456 .color_for_participant(participant_index.0);
1457 }
1458 }
1459 CollaboratorId::Agent => {
1460 if let Some((local_selection_style, _)) = selections.first_mut() {
1461 *local_selection_style = cx.theme().players().agent();
1462 }
1463 }
1464 }
1465 }
1466
1467 let mut remote_selections = HashMap::default();
1468 for selection in snapshot.remote_selections_in_range(
1469 &(start_anchor..end_anchor),
1470 collaboration_hub.as_ref(),
1471 cx,
1472 ) {
1473 // Don't re-render the leader's selections, since the local selections
1474 // match theirs.
1475 if Some(selection.collaborator_id) == editor.leader_id {
1476 continue;
1477 }
1478 let key = HoveredCursor {
1479 replica_id: selection.replica_id,
1480 selection_id: selection.selection.id,
1481 };
1482
1483 let is_shown =
1484 editor.show_cursor_names || editor.hovered_cursors.contains_key(&key);
1485
1486 remote_selections
1487 .entry(selection.replica_id)
1488 .or_insert((selection.color, Vec::new()))
1489 .1
1490 .push(SelectionLayout::new(
1491 selection.selection,
1492 selection.line_mode,
1493 selection.cursor_shape,
1494 &snapshot.display_snapshot,
1495 false,
1496 false,
1497 if is_shown { selection.user_name } else { None },
1498 ));
1499 }
1500
1501 selections.extend(remote_selections.into_values());
1502 } else if !editor.is_focused(window) && editor.show_cursor_when_unfocused {
1503 let layouts = snapshot
1504 .buffer_snapshot()
1505 .selections_in_range(&(start_anchor..end_anchor), true)
1506 .map(move |(_, line_mode, cursor_shape, selection)| {
1507 SelectionLayout::new(
1508 selection,
1509 line_mode,
1510 cursor_shape,
1511 &snapshot.display_snapshot,
1512 false,
1513 false,
1514 None,
1515 )
1516 })
1517 .collect::<Vec<_>>();
1518 let player = editor.current_user_player_color(cx);
1519 selections.push((player, layouts));
1520 }
1521 });
1522
1523 #[cfg(debug_assertions)]
1524 Self::layout_debug_ranges(
1525 &mut selections,
1526 start_anchor..end_anchor,
1527 &snapshot.display_snapshot,
1528 cx,
1529 );
1530
1531 (selections, active_rows, newest_selection_head)
1532 }
1533
1534 fn collect_cursors(
1535 &self,
1536 snapshot: &EditorSnapshot,
1537 cx: &mut App,
1538 ) -> Vec<(DisplayPoint, Hsla)> {
1539 let editor = self.editor.read(cx);
1540 let mut cursors = Vec::new();
1541 let mut skip_local = false;
1542 let mut add_cursor = |anchor: Anchor, color| {
1543 cursors.push((anchor.to_display_point(&snapshot.display_snapshot), color));
1544 };
1545 // Remote cursors
1546 if let Some(collaboration_hub) = &editor.collaboration_hub {
1547 for remote_selection in snapshot.remote_selections_in_range(
1548 &(Anchor::min()..Anchor::max()),
1549 collaboration_hub.deref(),
1550 cx,
1551 ) {
1552 add_cursor(
1553 remote_selection.selection.head(),
1554 remote_selection.color.cursor,
1555 );
1556 if Some(remote_selection.collaborator_id) == editor.leader_id {
1557 skip_local = true;
1558 }
1559 }
1560 }
1561 // Local cursors
1562 if !skip_local {
1563 let color = cx.theme().players().local().cursor;
1564 editor
1565 .selections
1566 .disjoint_anchors()
1567 .iter()
1568 .for_each(|selection| {
1569 add_cursor(selection.head(), color);
1570 });
1571 if let Some(ref selection) = editor.selections.pending_anchor() {
1572 add_cursor(selection.head(), color);
1573 }
1574 }
1575 cursors
1576 }
1577
1578 fn layout_visible_cursors(
1579 &self,
1580 snapshot: &EditorSnapshot,
1581 selections: &[(PlayerColor, Vec<SelectionLayout>)],
1582 row_block_types: &HashMap<DisplayRow, bool>,
1583 visible_display_row_range: Range<DisplayRow>,
1584 line_layouts: &[LineWithInvisibles],
1585 text_hitbox: &Hitbox,
1586 content_origin: gpui::Point<Pixels>,
1587 scroll_position: gpui::Point<ScrollOffset>,
1588 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
1589 line_height: Pixels,
1590 em_width: Pixels,
1591 em_advance: Pixels,
1592 autoscroll_containing_element: bool,
1593 window: &mut Window,
1594 cx: &mut App,
1595 ) -> Vec<CursorLayout> {
1596 let mut autoscroll_bounds = None;
1597 let cursor_layouts = self.editor.update(cx, |editor, cx| {
1598 let mut cursors = Vec::new();
1599
1600 let show_local_cursors = editor.show_local_cursors(window, cx);
1601
1602 for (player_color, selections) in selections {
1603 for selection in selections {
1604 let cursor_position = selection.head;
1605
1606 let in_range = visible_display_row_range.contains(&cursor_position.row());
1607 if (selection.is_local && !show_local_cursors)
1608 || !in_range
1609 || row_block_types.get(&cursor_position.row()) == Some(&true)
1610 {
1611 continue;
1612 }
1613
1614 let cursor_row_layout = &line_layouts
1615 [cursor_position.row().minus(visible_display_row_range.start) as usize];
1616 let cursor_column = cursor_position.column() as usize;
1617
1618 let cursor_character_x = cursor_row_layout.x_for_index(cursor_column);
1619 let mut block_width =
1620 cursor_row_layout.x_for_index(cursor_column + 1) - cursor_character_x;
1621 if block_width == Pixels::ZERO {
1622 block_width = em_advance;
1623 }
1624 let block_text = if let CursorShape::Block = selection.cursor_shape {
1625 snapshot
1626 .grapheme_at(cursor_position)
1627 .or_else(|| {
1628 if snapshot.is_empty() {
1629 snapshot.placeholder_text().and_then(|s| {
1630 s.graphemes(true).next().map(|s| s.to_string().into())
1631 })
1632 } else {
1633 None
1634 }
1635 })
1636 .map(|text| {
1637 let len = text.len();
1638
1639 let mut font = cursor_row_layout
1640 .font_id_for_index(cursor_column)
1641 .and_then(|cursor_font_id| {
1642 window.text_system().get_font_for_id(cursor_font_id)
1643 })
1644 .unwrap_or(self.style.text.font());
1645 font.features = self.style.text.font_features.clone();
1646
1647 // Invert the text color for the block cursor. Ensure that the text
1648 // color is opaque enough to be visible against the background color.
1649 //
1650 // 0.75 is an arbitrary threshold to determine if the background color is
1651 // opaque enough to use as a text color.
1652 //
1653 // TODO: In the future we should ensure themes have a `text_inverse` color.
1654 let color = if cx.theme().colors().editor_background.a < 0.75 {
1655 match cx.theme().appearance {
1656 Appearance::Dark => Hsla::black(),
1657 Appearance::Light => Hsla::white(),
1658 }
1659 } else {
1660 cx.theme().colors().editor_background
1661 };
1662
1663 window.text_system().shape_line(
1664 text,
1665 cursor_row_layout.font_size,
1666 &[TextRun {
1667 len,
1668 font,
1669 color,
1670 background_color: None,
1671 strikethrough: None,
1672 underline: None,
1673 }],
1674 None,
1675 )
1676 })
1677 } else {
1678 None
1679 };
1680
1681 let x = cursor_character_x - scroll_pixel_position.x.into();
1682 let y = ((cursor_position.row().as_f64() - scroll_position.y)
1683 * ScrollPixelOffset::from(line_height))
1684 .into();
1685 if selection.is_newest {
1686 editor.pixel_position_of_newest_cursor = Some(point(
1687 text_hitbox.origin.x + x + block_width / 2.,
1688 text_hitbox.origin.y + y + line_height / 2.,
1689 ));
1690
1691 if autoscroll_containing_element {
1692 let top = text_hitbox.origin.y
1693 + ((cursor_position.row().as_f64() - scroll_position.y - 3.)
1694 .max(0.)
1695 * ScrollPixelOffset::from(line_height))
1696 .into();
1697 let left = text_hitbox.origin.x
1698 + ((cursor_position.column() as ScrollOffset
1699 - scroll_position.x
1700 - 3.)
1701 .max(0.)
1702 * ScrollPixelOffset::from(em_width))
1703 .into();
1704
1705 let bottom = text_hitbox.origin.y
1706 + ((cursor_position.row().as_f64() - scroll_position.y + 4.)
1707 * ScrollPixelOffset::from(line_height))
1708 .into();
1709 let right = text_hitbox.origin.x
1710 + ((cursor_position.column() as ScrollOffset - scroll_position.x
1711 + 4.)
1712 * ScrollPixelOffset::from(em_width))
1713 .into();
1714
1715 autoscroll_bounds =
1716 Some(Bounds::from_corners(point(left, top), point(right, bottom)))
1717 }
1718 }
1719
1720 let mut cursor = CursorLayout {
1721 color: player_color.cursor,
1722 block_width,
1723 origin: point(x, y),
1724 line_height,
1725 shape: selection.cursor_shape,
1726 block_text,
1727 cursor_name: None,
1728 };
1729 let cursor_name = selection.user_name.clone().map(|name| CursorName {
1730 string: name,
1731 color: self.style.background,
1732 is_top_row: cursor_position.row().0 == 0,
1733 });
1734 cursor.layout(content_origin, cursor_name, window, cx);
1735 cursors.push(cursor);
1736 }
1737 }
1738
1739 cursors
1740 });
1741
1742 if let Some(bounds) = autoscroll_bounds {
1743 window.request_autoscroll(bounds);
1744 }
1745
1746 cursor_layouts
1747 }
1748
1749 fn layout_scrollbars(
1750 &self,
1751 snapshot: &EditorSnapshot,
1752 scrollbar_layout_information: &ScrollbarLayoutInformation,
1753 content_offset: gpui::Point<Pixels>,
1754 scroll_position: gpui::Point<ScrollOffset>,
1755 non_visible_cursors: bool,
1756 right_margin: Pixels,
1757 editor_width: Pixels,
1758 window: &mut Window,
1759 cx: &mut App,
1760 ) -> Option<EditorScrollbars> {
1761 let show_scrollbars = self.editor.read(cx).show_scrollbars;
1762 if (!show_scrollbars.horizontal && !show_scrollbars.vertical)
1763 || self.style.scrollbar_width.is_zero()
1764 {
1765 return None;
1766 }
1767
1768 // If a drag took place after we started dragging the scrollbar,
1769 // cancel the scrollbar drag.
1770 if cx.has_active_drag() {
1771 self.editor.update(cx, |editor, cx| {
1772 editor.scroll_manager.reset_scrollbar_state(cx)
1773 });
1774 }
1775
1776 let editor_settings = EditorSettings::get_global(cx);
1777 let scrollbar_settings = editor_settings.scrollbar;
1778 let show_scrollbars = match scrollbar_settings.show {
1779 ShowScrollbar::Auto => {
1780 let editor = self.editor.read(cx);
1781 let is_singleton = editor.buffer_kind(cx) == ItemBufferKind::Singleton;
1782 // Git
1783 (is_singleton && scrollbar_settings.git_diff && snapshot.buffer_snapshot().has_diff_hunks())
1784 ||
1785 // Buffer Search Results
1786 (is_singleton && scrollbar_settings.search_results && editor.has_background_highlights::<BufferSearchHighlights>())
1787 ||
1788 // Selected Text Occurrences
1789 (is_singleton && scrollbar_settings.selected_text && editor.has_background_highlights::<SelectedTextHighlight>())
1790 ||
1791 // Selected Symbol Occurrences
1792 (is_singleton && scrollbar_settings.selected_symbol && (editor.has_background_highlights::<DocumentHighlightRead>() || editor.has_background_highlights::<DocumentHighlightWrite>()))
1793 ||
1794 // Diagnostics
1795 (is_singleton && scrollbar_settings.diagnostics != ScrollbarDiagnostics::None && snapshot.buffer_snapshot().has_diagnostics())
1796 ||
1797 // Cursors out of sight
1798 non_visible_cursors
1799 ||
1800 // Scrollmanager
1801 editor.scroll_manager.scrollbars_visible()
1802 }
1803 ShowScrollbar::System => self.editor.read(cx).scroll_manager.scrollbars_visible(),
1804 ShowScrollbar::Always => true,
1805 ShowScrollbar::Never => return None,
1806 };
1807
1808 // The horizontal scrollbar is usually slightly offset to align nicely with
1809 // indent guides. However, this offset is not needed if indent guides are
1810 // disabled for the current editor.
1811 let content_offset = self
1812 .editor
1813 .read(cx)
1814 .show_indent_guides
1815 .is_none_or(|should_show| should_show)
1816 .then_some(content_offset)
1817 .unwrap_or_default();
1818
1819 Some(EditorScrollbars::from_scrollbar_axes(
1820 ScrollbarAxes {
1821 horizontal: scrollbar_settings.axes.horizontal
1822 && self.editor.read(cx).show_scrollbars.horizontal,
1823 vertical: scrollbar_settings.axes.vertical
1824 && self.editor.read(cx).show_scrollbars.vertical,
1825 },
1826 scrollbar_layout_information,
1827 content_offset,
1828 scroll_position,
1829 self.style.scrollbar_width,
1830 right_margin,
1831 editor_width,
1832 show_scrollbars,
1833 self.editor.read(cx).scroll_manager.active_scrollbar_state(),
1834 window,
1835 ))
1836 }
1837
1838 fn layout_minimap(
1839 &self,
1840 snapshot: &EditorSnapshot,
1841 minimap_width: Pixels,
1842 scroll_position: gpui::Point<f64>,
1843 scrollbar_layout_information: &ScrollbarLayoutInformation,
1844 scrollbar_layout: Option<&EditorScrollbars>,
1845 window: &mut Window,
1846 cx: &mut App,
1847 ) -> Option<MinimapLayout> {
1848 let minimap_editor = self.editor.read(cx).minimap().cloned()?;
1849
1850 let minimap_settings = EditorSettings::get_global(cx).minimap;
1851
1852 if minimap_settings.on_active_editor() {
1853 let active_editor = self.editor.read(cx).workspace().and_then(|ws| {
1854 ws.read(cx)
1855 .active_pane()
1856 .read(cx)
1857 .active_item()
1858 .and_then(|i| i.act_as::<Editor>(cx))
1859 });
1860 if active_editor.is_some_and(|e| e != self.editor) {
1861 return None;
1862 }
1863 }
1864
1865 if !snapshot.mode.is_full()
1866 || minimap_width.is_zero()
1867 || matches!(
1868 minimap_settings.show,
1869 ShowMinimap::Auto if scrollbar_layout.is_none_or(|layout| !layout.visible)
1870 )
1871 {
1872 return None;
1873 }
1874
1875 const MINIMAP_AXIS: ScrollbarAxis = ScrollbarAxis::Vertical;
1876
1877 let ScrollbarLayoutInformation {
1878 editor_bounds,
1879 scroll_range,
1880 glyph_grid_cell,
1881 } = scrollbar_layout_information;
1882
1883 let line_height = glyph_grid_cell.height;
1884 let scroll_position = scroll_position.along(MINIMAP_AXIS);
1885
1886 let top_right_anchor = scrollbar_layout
1887 .and_then(|layout| layout.vertical.as_ref())
1888 .map(|vertical_scrollbar| vertical_scrollbar.hitbox.origin)
1889 .unwrap_or_else(|| editor_bounds.top_right());
1890
1891 let thumb_state = self
1892 .editor
1893 .read_with(cx, |editor, _| editor.scroll_manager.minimap_thumb_state());
1894
1895 let show_thumb = match minimap_settings.thumb {
1896 MinimapThumb::Always => true,
1897 MinimapThumb::Hover => thumb_state.is_some(),
1898 };
1899
1900 let minimap_bounds = Bounds::from_corner_and_size(
1901 Corner::TopRight,
1902 top_right_anchor,
1903 size(minimap_width, editor_bounds.size.height),
1904 );
1905 let minimap_line_height = self.get_minimap_line_height(
1906 minimap_editor
1907 .read(cx)
1908 .text_style_refinement
1909 .as_ref()
1910 .and_then(|refinement| refinement.font_size)
1911 .unwrap_or(MINIMAP_FONT_SIZE),
1912 window,
1913 cx,
1914 );
1915 let minimap_height = minimap_bounds.size.height;
1916
1917 let visible_editor_lines = (editor_bounds.size.height / line_height) as f64;
1918 let total_editor_lines = (scroll_range.height / line_height) as f64;
1919 let minimap_lines = (minimap_height / minimap_line_height) as f64;
1920
1921 let minimap_scroll_top = MinimapLayout::calculate_minimap_top_offset(
1922 total_editor_lines,
1923 visible_editor_lines,
1924 minimap_lines,
1925 scroll_position,
1926 );
1927
1928 let layout = ScrollbarLayout::for_minimap(
1929 window.insert_hitbox(minimap_bounds, HitboxBehavior::Normal),
1930 visible_editor_lines,
1931 total_editor_lines,
1932 minimap_line_height,
1933 scroll_position,
1934 minimap_scroll_top,
1935 show_thumb,
1936 )
1937 .with_thumb_state(thumb_state);
1938
1939 minimap_editor.update(cx, |editor, cx| {
1940 editor.set_scroll_position(point(0., minimap_scroll_top), window, cx)
1941 });
1942
1943 // Required for the drop shadow to be visible
1944 const PADDING_OFFSET: Pixels = px(4.);
1945
1946 let mut minimap = div()
1947 .size_full()
1948 .shadow_xs()
1949 .px(PADDING_OFFSET)
1950 .child(minimap_editor)
1951 .into_any_element();
1952
1953 let extended_bounds = minimap_bounds.extend(Edges {
1954 right: PADDING_OFFSET,
1955 left: PADDING_OFFSET,
1956 ..Default::default()
1957 });
1958 minimap.layout_as_root(extended_bounds.size.into(), window, cx);
1959 window.with_absolute_element_offset(extended_bounds.origin, |window| {
1960 minimap.prepaint(window, cx)
1961 });
1962
1963 Some(MinimapLayout {
1964 minimap,
1965 thumb_layout: layout,
1966 thumb_border_style: minimap_settings.thumb_border,
1967 minimap_line_height,
1968 minimap_scroll_top,
1969 max_scroll_top: total_editor_lines,
1970 })
1971 }
1972
1973 fn get_minimap_line_height(
1974 &self,
1975 font_size: AbsoluteLength,
1976 window: &mut Window,
1977 cx: &mut App,
1978 ) -> Pixels {
1979 let rem_size = self.rem_size(cx).unwrap_or(window.rem_size());
1980 let mut text_style = self.style.text.clone();
1981 text_style.font_size = font_size;
1982 text_style.line_height_in_pixels(rem_size)
1983 }
1984
1985 fn get_minimap_width(
1986 &self,
1987 minimap_settings: &Minimap,
1988 scrollbars_shown: bool,
1989 text_width: Pixels,
1990 em_width: Pixels,
1991 font_size: Pixels,
1992 rem_size: Pixels,
1993 cx: &App,
1994 ) -> Option<Pixels> {
1995 if minimap_settings.show == ShowMinimap::Auto && !scrollbars_shown {
1996 return None;
1997 }
1998
1999 let minimap_font_size = self.editor.read_with(cx, |editor, cx| {
2000 editor.minimap().map(|minimap_editor| {
2001 minimap_editor
2002 .read(cx)
2003 .text_style_refinement
2004 .as_ref()
2005 .and_then(|refinement| refinement.font_size)
2006 .unwrap_or(MINIMAP_FONT_SIZE)
2007 })
2008 })?;
2009
2010 let minimap_em_width = em_width * (minimap_font_size.to_pixels(rem_size) / font_size);
2011
2012 let minimap_width = (text_width * MinimapLayout::MINIMAP_WIDTH_PCT)
2013 .min(minimap_em_width * minimap_settings.max_width_columns.get() as f32);
2014
2015 (minimap_width >= minimap_em_width * MinimapLayout::MINIMAP_MIN_WIDTH_COLUMNS)
2016 .then_some(minimap_width)
2017 }
2018
2019 fn prepaint_crease_toggles(
2020 &self,
2021 crease_toggles: &mut [Option<AnyElement>],
2022 line_height: Pixels,
2023 gutter_dimensions: &GutterDimensions,
2024 gutter_settings: crate::editor_settings::Gutter,
2025 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2026 gutter_hitbox: &Hitbox,
2027 window: &mut Window,
2028 cx: &mut App,
2029 ) {
2030 for (ix, crease_toggle) in crease_toggles.iter_mut().enumerate() {
2031 if let Some(crease_toggle) = crease_toggle {
2032 debug_assert!(gutter_settings.folds);
2033 let available_space = size(
2034 AvailableSpace::MinContent,
2035 AvailableSpace::Definite(line_height * 0.55),
2036 );
2037 let crease_toggle_size = crease_toggle.layout_as_root(available_space, window, cx);
2038
2039 let position = point(
2040 gutter_dimensions.width - gutter_dimensions.right_padding,
2041 ix as f32 * line_height
2042 - (scroll_pixel_position.y % ScrollPixelOffset::from(line_height)).into(),
2043 );
2044 let centering_offset = point(
2045 (gutter_dimensions.fold_area_width() - crease_toggle_size.width) / 2.,
2046 (line_height - crease_toggle_size.height) / 2.,
2047 );
2048 let origin = gutter_hitbox.origin + position + centering_offset;
2049 crease_toggle.prepaint_as_root(origin, available_space, window, cx);
2050 }
2051 }
2052 }
2053
2054 fn prepaint_expand_toggles(
2055 &self,
2056 expand_toggles: &mut [Option<(AnyElement, gpui::Point<Pixels>)>],
2057 window: &mut Window,
2058 cx: &mut App,
2059 ) {
2060 for (expand_toggle, origin) in expand_toggles.iter_mut().flatten() {
2061 let available_space = size(AvailableSpace::MinContent, AvailableSpace::MinContent);
2062 expand_toggle.layout_as_root(available_space, window, cx);
2063 expand_toggle.prepaint_as_root(*origin, available_space, window, cx);
2064 }
2065 }
2066
2067 fn prepaint_crease_trailers(
2068 &self,
2069 trailers: Vec<Option<AnyElement>>,
2070 lines: &[LineWithInvisibles],
2071 line_height: Pixels,
2072 content_origin: gpui::Point<Pixels>,
2073 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2074 em_width: Pixels,
2075 window: &mut Window,
2076 cx: &mut App,
2077 ) -> Vec<Option<CreaseTrailerLayout>> {
2078 trailers
2079 .into_iter()
2080 .enumerate()
2081 .map(|(ix, element)| {
2082 let mut element = element?;
2083 let available_space = size(
2084 AvailableSpace::MinContent,
2085 AvailableSpace::Definite(line_height),
2086 );
2087 let size = element.layout_as_root(available_space, window, cx);
2088
2089 let line = &lines[ix];
2090 let padding = if line.width == Pixels::ZERO {
2091 Pixels::ZERO
2092 } else {
2093 4. * em_width
2094 };
2095 let position = point(
2096 Pixels::from(scroll_pixel_position.x) + line.width + padding,
2097 ix as f32 * line_height
2098 - (scroll_pixel_position.y % ScrollPixelOffset::from(line_height)).into(),
2099 );
2100 let centering_offset = point(px(0.), (line_height - size.height) / 2.);
2101 let origin = content_origin + position + centering_offset;
2102 element.prepaint_as_root(origin, available_space, window, cx);
2103 Some(CreaseTrailerLayout {
2104 element,
2105 bounds: Bounds::new(origin, size),
2106 })
2107 })
2108 .collect()
2109 }
2110
2111 // Folds contained in a hunk are ignored apart from shrinking visual size
2112 // If a fold contains any hunks then that fold line is marked as modified
2113 fn layout_gutter_diff_hunks(
2114 &self,
2115 line_height: Pixels,
2116 gutter_hitbox: &Hitbox,
2117 display_rows: Range<DisplayRow>,
2118 snapshot: &EditorSnapshot,
2119 window: &mut Window,
2120 cx: &mut App,
2121 ) -> Vec<(DisplayDiffHunk, Option<Hitbox>)> {
2122 let folded_buffers = self.editor.read(cx).folded_buffers(cx);
2123 let mut display_hunks = snapshot
2124 .display_diff_hunks_for_rows(display_rows, folded_buffers)
2125 .map(|hunk| (hunk, None))
2126 .collect::<Vec<_>>();
2127 let git_gutter_setting = ProjectSettings::get_global(cx).git.git_gutter;
2128 if let GitGutterSetting::TrackedFiles = git_gutter_setting {
2129 for (hunk, hitbox) in &mut display_hunks {
2130 if matches!(hunk, DisplayDiffHunk::Unfolded { .. }) {
2131 let hunk_bounds =
2132 Self::diff_hunk_bounds(snapshot, line_height, gutter_hitbox.bounds, hunk);
2133 *hitbox = Some(window.insert_hitbox(hunk_bounds, HitboxBehavior::BlockMouse));
2134 }
2135 }
2136 }
2137
2138 display_hunks
2139 }
2140
2141 fn layout_inline_diagnostics(
2142 &self,
2143 line_layouts: &[LineWithInvisibles],
2144 crease_trailers: &[Option<CreaseTrailerLayout>],
2145 row_block_types: &HashMap<DisplayRow, bool>,
2146 content_origin: gpui::Point<Pixels>,
2147 scroll_position: gpui::Point<ScrollOffset>,
2148 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2149 edit_prediction_popover_origin: Option<gpui::Point<Pixels>>,
2150 start_row: DisplayRow,
2151 end_row: DisplayRow,
2152 line_height: Pixels,
2153 em_width: Pixels,
2154 style: &EditorStyle,
2155 window: &mut Window,
2156 cx: &mut App,
2157 ) -> HashMap<DisplayRow, AnyElement> {
2158 let max_severity = match self
2159 .editor
2160 .read(cx)
2161 .inline_diagnostics_enabled()
2162 .then(|| {
2163 ProjectSettings::get_global(cx)
2164 .diagnostics
2165 .inline
2166 .max_severity
2167 .unwrap_or_else(|| self.editor.read(cx).diagnostics_max_severity)
2168 .into_lsp()
2169 })
2170 .flatten()
2171 {
2172 Some(max_severity) => max_severity,
2173 None => return HashMap::default(),
2174 };
2175
2176 let active_diagnostics_group =
2177 if let ActiveDiagnostic::Group(group) = &self.editor.read(cx).active_diagnostics {
2178 Some(group.group_id)
2179 } else {
2180 None
2181 };
2182
2183 let diagnostics_by_rows = self.editor.update(cx, |editor, cx| {
2184 let snapshot = editor.snapshot(window, cx);
2185 editor
2186 .inline_diagnostics
2187 .iter()
2188 .filter(|(_, diagnostic)| diagnostic.severity <= max_severity)
2189 .filter(|(_, diagnostic)| match active_diagnostics_group {
2190 Some(active_diagnostics_group) => {
2191 // Active diagnostics are all shown in the editor already, no need to display them inline
2192 diagnostic.group_id != active_diagnostics_group
2193 }
2194 None => true,
2195 })
2196 .map(|(point, diag)| (point.to_display_point(&snapshot), diag.clone()))
2197 .skip_while(|(point, _)| point.row() < start_row)
2198 .take_while(|(point, _)| point.row() < end_row)
2199 .filter(|(point, _)| !row_block_types.contains_key(&point.row()))
2200 .fold(HashMap::default(), |mut acc, (point, diagnostic)| {
2201 acc.entry(point.row())
2202 .or_insert_with(Vec::new)
2203 .push(diagnostic);
2204 acc
2205 })
2206 });
2207
2208 if diagnostics_by_rows.is_empty() {
2209 return HashMap::default();
2210 }
2211
2212 let severity_to_color = |sev: &lsp::DiagnosticSeverity| match sev {
2213 &lsp::DiagnosticSeverity::ERROR => Color::Error,
2214 &lsp::DiagnosticSeverity::WARNING => Color::Warning,
2215 &lsp::DiagnosticSeverity::INFORMATION => Color::Info,
2216 &lsp::DiagnosticSeverity::HINT => Color::Hint,
2217 _ => Color::Error,
2218 };
2219
2220 let padding = ProjectSettings::get_global(cx).diagnostics.inline.padding as f32 * em_width;
2221 let min_x = self.column_pixels(
2222 ProjectSettings::get_global(cx)
2223 .diagnostics
2224 .inline
2225 .min_column as usize,
2226 window,
2227 );
2228
2229 let mut elements = HashMap::default();
2230 for (row, mut diagnostics) in diagnostics_by_rows {
2231 diagnostics.sort_by_key(|diagnostic| {
2232 (
2233 diagnostic.severity,
2234 std::cmp::Reverse(diagnostic.is_primary),
2235 diagnostic.start.row,
2236 diagnostic.start.column,
2237 )
2238 });
2239
2240 let Some(diagnostic_to_render) = diagnostics
2241 .iter()
2242 .find(|diagnostic| diagnostic.is_primary)
2243 .or_else(|| diagnostics.first())
2244 else {
2245 continue;
2246 };
2247
2248 let pos_y = content_origin.y + line_height * (row.0 as f64 - scroll_position.y) as f32;
2249
2250 let window_ix = row.0.saturating_sub(start_row.0) as usize;
2251 let pos_x = {
2252 let crease_trailer_layout = &crease_trailers[window_ix];
2253 let line_layout = &line_layouts[window_ix];
2254
2255 let line_end = if let Some(crease_trailer) = crease_trailer_layout {
2256 crease_trailer.bounds.right()
2257 } else {
2258 Pixels::from(
2259 ScrollPixelOffset::from(content_origin.x + line_layout.width)
2260 - scroll_pixel_position.x,
2261 )
2262 };
2263
2264 let padded_line = line_end + padding;
2265 let min_start = Pixels::from(
2266 ScrollPixelOffset::from(content_origin.x + min_x) - scroll_pixel_position.x,
2267 );
2268
2269 cmp::max(padded_line, min_start)
2270 };
2271
2272 let behind_edit_prediction_popover = edit_prediction_popover_origin
2273 .as_ref()
2274 .is_some_and(|edit_prediction_popover_origin| {
2275 (pos_y..pos_y + line_height).contains(&edit_prediction_popover_origin.y)
2276 });
2277 let opacity = if behind_edit_prediction_popover {
2278 0.5
2279 } else {
2280 1.0
2281 };
2282
2283 let mut element = h_flex()
2284 .id(("diagnostic", row.0))
2285 .h(line_height)
2286 .w_full()
2287 .px_1()
2288 .rounded_xs()
2289 .opacity(opacity)
2290 .bg(severity_to_color(&diagnostic_to_render.severity)
2291 .color(cx)
2292 .opacity(0.05))
2293 .text_color(severity_to_color(&diagnostic_to_render.severity).color(cx))
2294 .text_sm()
2295 .font_family(style.text.font().family)
2296 .child(diagnostic_to_render.message.clone())
2297 .into_any();
2298
2299 element.prepaint_as_root(point(pos_x, pos_y), AvailableSpace::min_size(), window, cx);
2300
2301 elements.insert(row, element);
2302 }
2303
2304 elements
2305 }
2306
2307 fn layout_inline_code_actions(
2308 &self,
2309 display_point: DisplayPoint,
2310 content_origin: gpui::Point<Pixels>,
2311 scroll_position: gpui::Point<ScrollOffset>,
2312 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2313 line_height: Pixels,
2314 snapshot: &EditorSnapshot,
2315 window: &mut Window,
2316 cx: &mut App,
2317 ) -> Option<AnyElement> {
2318 if !snapshot
2319 .show_code_actions
2320 .unwrap_or(EditorSettings::get_global(cx).inline_code_actions)
2321 {
2322 return None;
2323 }
2324
2325 let icon_size = ui::IconSize::XSmall;
2326 let mut button = self.editor.update(cx, |editor, cx| {
2327 editor.available_code_actions.as_ref()?;
2328 let active = editor
2329 .context_menu
2330 .borrow()
2331 .as_ref()
2332 .and_then(|menu| {
2333 if let crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2334 deployed_from,
2335 ..
2336 }) = menu
2337 {
2338 deployed_from.as_ref()
2339 } else {
2340 None
2341 }
2342 })
2343 .is_some_and(|source| matches!(source, CodeActionSource::Indicator(..)));
2344 Some(editor.render_inline_code_actions(icon_size, display_point.row(), active, cx))
2345 })?;
2346
2347 let buffer_point = display_point.to_point(&snapshot.display_snapshot);
2348
2349 // do not show code action for folded line
2350 if snapshot.is_line_folded(MultiBufferRow(buffer_point.row)) {
2351 return None;
2352 }
2353
2354 // do not show code action for blank line with cursor
2355 let line_indent = snapshot
2356 .display_snapshot
2357 .buffer_snapshot()
2358 .line_indent_for_row(MultiBufferRow(buffer_point.row));
2359 if line_indent.is_line_blank() {
2360 return None;
2361 }
2362
2363 const INLINE_SLOT_CHAR_LIMIT: u32 = 4;
2364 const MAX_ALTERNATE_DISTANCE: u32 = 8;
2365
2366 let excerpt_id = snapshot
2367 .display_snapshot
2368 .buffer_snapshot()
2369 .excerpt_containing(buffer_point..buffer_point)
2370 .map(|excerpt| excerpt.id());
2371
2372 let is_valid_row = |row_candidate: u32| -> bool {
2373 // move to other row if folded row
2374 if snapshot.is_line_folded(MultiBufferRow(row_candidate)) {
2375 return false;
2376 }
2377 if buffer_point.row == row_candidate {
2378 // move to other row if cursor is in slot
2379 if buffer_point.column < INLINE_SLOT_CHAR_LIMIT {
2380 return false;
2381 }
2382 } else {
2383 let candidate_point = MultiBufferPoint {
2384 row: row_candidate,
2385 column: 0,
2386 };
2387 let candidate_excerpt_id = snapshot
2388 .display_snapshot
2389 .buffer_snapshot()
2390 .excerpt_containing(candidate_point..candidate_point)
2391 .map(|excerpt| excerpt.id());
2392 // move to other row if different excerpt
2393 if excerpt_id != candidate_excerpt_id {
2394 return false;
2395 }
2396 }
2397 let line_indent = snapshot
2398 .display_snapshot
2399 .buffer_snapshot()
2400 .line_indent_for_row(MultiBufferRow(row_candidate));
2401 // use this row if it's blank
2402 if line_indent.is_line_blank() {
2403 true
2404 } else {
2405 // use this row if code starts after slot
2406 let indent_size = snapshot
2407 .display_snapshot
2408 .buffer_snapshot()
2409 .indent_size_for_line(MultiBufferRow(row_candidate));
2410 indent_size.len >= INLINE_SLOT_CHAR_LIMIT
2411 }
2412 };
2413
2414 let new_buffer_row = if is_valid_row(buffer_point.row) {
2415 Some(buffer_point.row)
2416 } else {
2417 let max_row = snapshot.display_snapshot.buffer_snapshot().max_point().row;
2418 (1..=MAX_ALTERNATE_DISTANCE).find_map(|offset| {
2419 let row_above = buffer_point.row.saturating_sub(offset);
2420 let row_below = buffer_point.row + offset;
2421 if row_above != buffer_point.row && is_valid_row(row_above) {
2422 Some(row_above)
2423 } else if row_below <= max_row && is_valid_row(row_below) {
2424 Some(row_below)
2425 } else {
2426 None
2427 }
2428 })
2429 }?;
2430
2431 let new_display_row = snapshot
2432 .display_snapshot
2433 .point_to_display_point(
2434 Point {
2435 row: new_buffer_row,
2436 column: buffer_point.column,
2437 },
2438 text::Bias::Left,
2439 )
2440 .row();
2441
2442 let start_y = content_origin.y
2443 + (((new_display_row.as_f64() - scroll_position.y) as f32) * line_height)
2444 + (line_height / 2.0)
2445 - (icon_size.square(window, cx) / 2.);
2446 let start_x = (ScrollPixelOffset::from(content_origin.x) - scroll_pixel_position.x
2447 + ScrollPixelOffset::from(window.rem_size() * 0.1))
2448 .into();
2449
2450 let absolute_offset = gpui::point(start_x, start_y);
2451 button.layout_as_root(gpui::AvailableSpace::min_size(), window, cx);
2452 button.prepaint_as_root(
2453 absolute_offset,
2454 gpui::AvailableSpace::min_size(),
2455 window,
2456 cx,
2457 );
2458 Some(button)
2459 }
2460
2461 fn layout_inline_blame(
2462 &self,
2463 display_row: DisplayRow,
2464 row_info: &RowInfo,
2465 line_layout: &LineWithInvisibles,
2466 crease_trailer: Option<&CreaseTrailerLayout>,
2467 em_width: Pixels,
2468 content_origin: gpui::Point<Pixels>,
2469 scroll_position: gpui::Point<ScrollOffset>,
2470 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2471 line_height: Pixels,
2472 text_hitbox: &Hitbox,
2473 window: &mut Window,
2474 cx: &mut App,
2475 ) -> Option<InlineBlameLayout> {
2476 if !self
2477 .editor
2478 .update(cx, |editor, cx| editor.render_git_blame_inline(window, cx))
2479 {
2480 return None;
2481 }
2482
2483 let editor = self.editor.read(cx);
2484 let blame = editor.blame.clone()?;
2485 let padding = {
2486 const INLINE_ACCEPT_SUGGESTION_EM_WIDTHS: f32 = 14.;
2487
2488 let mut padding = ProjectSettings::get_global(cx).git.inline_blame.padding as f32;
2489
2490 if let Some(edit_prediction) = editor.active_edit_prediction.as_ref()
2491 && let EditPrediction::Edit {
2492 display_mode: EditDisplayMode::TabAccept,
2493 ..
2494 } = &edit_prediction.completion
2495 {
2496 padding += INLINE_ACCEPT_SUGGESTION_EM_WIDTHS
2497 }
2498
2499 padding * em_width
2500 };
2501
2502 let (buffer_id, entry) = blame
2503 .update(cx, |blame, cx| {
2504 blame.blame_for_rows(&[*row_info], cx).next()
2505 })
2506 .flatten()?;
2507
2508 let mut element = render_inline_blame_entry(entry.clone(), &self.style, cx)?;
2509
2510 let start_y =
2511 content_origin.y + line_height * ((display_row.as_f64() - scroll_position.y) as f32);
2512
2513 let start_x = {
2514 let line_end = if let Some(crease_trailer) = crease_trailer {
2515 crease_trailer.bounds.right()
2516 } else {
2517 Pixels::from(
2518 ScrollPixelOffset::from(content_origin.x + line_layout.width)
2519 - scroll_pixel_position.x,
2520 )
2521 };
2522
2523 let padded_line_end = line_end + padding;
2524
2525 let min_column_in_pixels = self.column_pixels(
2526 ProjectSettings::get_global(cx).git.inline_blame.min_column as usize,
2527 window,
2528 );
2529 let min_start = Pixels::from(
2530 ScrollPixelOffset::from(content_origin.x + min_column_in_pixels)
2531 - scroll_pixel_position.x,
2532 );
2533
2534 cmp::max(padded_line_end, min_start)
2535 };
2536
2537 let absolute_offset = point(start_x, start_y);
2538 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2539 let bounds = Bounds::new(absolute_offset, size);
2540
2541 self.layout_blame_entry_popover(
2542 entry.clone(),
2543 blame,
2544 line_height,
2545 text_hitbox,
2546 row_info.buffer_id?,
2547 window,
2548 cx,
2549 );
2550
2551 element.prepaint_as_root(absolute_offset, AvailableSpace::min_size(), window, cx);
2552
2553 Some(InlineBlameLayout {
2554 element,
2555 bounds,
2556 buffer_id,
2557 entry,
2558 })
2559 }
2560
2561 fn layout_blame_entry_popover(
2562 &self,
2563 blame_entry: BlameEntry,
2564 blame: Entity<GitBlame>,
2565 line_height: Pixels,
2566 text_hitbox: &Hitbox,
2567 buffer: BufferId,
2568 window: &mut Window,
2569 cx: &mut App,
2570 ) {
2571 let Some((popover_state, target_point)) = self.editor.read_with(cx, |editor, _| {
2572 editor
2573 .inline_blame_popover
2574 .as_ref()
2575 .map(|state| (state.popover_state.clone(), state.position))
2576 }) else {
2577 return;
2578 };
2579
2580 let workspace = self
2581 .editor
2582 .read_with(cx, |editor, _| editor.workspace().map(|w| w.downgrade()));
2583
2584 let maybe_element = workspace.and_then(|workspace| {
2585 render_blame_entry_popover(
2586 blame_entry,
2587 popover_state.scroll_handle,
2588 popover_state.commit_message,
2589 popover_state.markdown,
2590 workspace,
2591 &blame,
2592 buffer,
2593 window,
2594 cx,
2595 )
2596 });
2597
2598 if let Some(mut element) = maybe_element {
2599 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2600 let overall_height = size.height + HOVER_POPOVER_GAP;
2601 let popover_origin = if target_point.y > overall_height {
2602 point(target_point.x, target_point.y - size.height)
2603 } else {
2604 point(
2605 target_point.x,
2606 target_point.y + line_height + HOVER_POPOVER_GAP,
2607 )
2608 };
2609
2610 let horizontal_offset = (text_hitbox.top_right().x
2611 - POPOVER_RIGHT_OFFSET
2612 - (popover_origin.x + size.width))
2613 .min(Pixels::ZERO);
2614
2615 let origin = point(popover_origin.x + horizontal_offset, popover_origin.y);
2616 let popover_bounds = Bounds::new(origin, size);
2617
2618 self.editor.update(cx, |editor, _| {
2619 if let Some(state) = &mut editor.inline_blame_popover {
2620 state.popover_bounds = Some(popover_bounds);
2621 }
2622 });
2623
2624 window.defer_draw(element, origin, 2);
2625 }
2626 }
2627
2628 fn layout_blame_entries(
2629 &self,
2630 buffer_rows: &[RowInfo],
2631 em_width: Pixels,
2632 scroll_position: gpui::Point<ScrollOffset>,
2633 line_height: Pixels,
2634 gutter_hitbox: &Hitbox,
2635 max_width: Option<Pixels>,
2636 window: &mut Window,
2637 cx: &mut App,
2638 ) -> Option<Vec<AnyElement>> {
2639 if !self
2640 .editor
2641 .update(cx, |editor, cx| editor.render_git_blame_gutter(cx))
2642 {
2643 return None;
2644 }
2645
2646 let blame = self.editor.read(cx).blame.clone()?;
2647 let workspace = self.editor.read(cx).workspace()?;
2648 let blamed_rows: Vec<_> = blame.update(cx, |blame, cx| {
2649 blame.blame_for_rows(buffer_rows, cx).collect()
2650 });
2651
2652 let width = if let Some(max_width) = max_width {
2653 AvailableSpace::Definite(max_width)
2654 } else {
2655 AvailableSpace::MaxContent
2656 };
2657 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
2658 let start_x = em_width;
2659
2660 let mut last_used_color: Option<(Hsla, Oid)> = None;
2661 let blame_renderer = cx.global::<GlobalBlameRenderer>().0.clone();
2662
2663 let shaped_lines = blamed_rows
2664 .into_iter()
2665 .enumerate()
2666 .flat_map(|(ix, blame_entry)| {
2667 let (buffer_id, blame_entry) = blame_entry?;
2668 let mut element = render_blame_entry(
2669 ix,
2670 &blame,
2671 blame_entry,
2672 &self.style,
2673 &mut last_used_color,
2674 self.editor.clone(),
2675 workspace.clone(),
2676 buffer_id,
2677 &*blame_renderer,
2678 window,
2679 cx,
2680 )?;
2681
2682 let start_y = ix as f32 * line_height
2683 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height));
2684 let absolute_offset = gutter_hitbox.origin + point(start_x, start_y);
2685
2686 element.prepaint_as_root(
2687 absolute_offset,
2688 size(width, AvailableSpace::MinContent),
2689 window,
2690 cx,
2691 );
2692
2693 Some(element)
2694 })
2695 .collect();
2696
2697 Some(shaped_lines)
2698 }
2699
2700 fn layout_indent_guides(
2701 &self,
2702 content_origin: gpui::Point<Pixels>,
2703 text_origin: gpui::Point<Pixels>,
2704 visible_buffer_range: Range<MultiBufferRow>,
2705 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2706 line_height: Pixels,
2707 snapshot: &DisplaySnapshot,
2708 window: &mut Window,
2709 cx: &mut App,
2710 ) -> Option<Vec<IndentGuideLayout>> {
2711 let indent_guides = self.editor.update(cx, |editor, cx| {
2712 editor.indent_guides(visible_buffer_range, snapshot, cx)
2713 })?;
2714
2715 let active_indent_guide_indices = self.editor.update(cx, |editor, cx| {
2716 editor
2717 .find_active_indent_guide_indices(&indent_guides, snapshot, window, cx)
2718 .unwrap_or_default()
2719 });
2720
2721 Some(
2722 indent_guides
2723 .into_iter()
2724 .enumerate()
2725 .filter_map(|(i, indent_guide)| {
2726 let single_indent_width =
2727 self.column_pixels(indent_guide.tab_size as usize, window);
2728 let total_width = single_indent_width * indent_guide.depth as f32;
2729 let start_x = Pixels::from(
2730 ScrollOffset::from(content_origin.x + total_width)
2731 - scroll_pixel_position.x,
2732 );
2733 if start_x >= text_origin.x {
2734 let (offset_y, length) = Self::calculate_indent_guide_bounds(
2735 indent_guide.start_row..indent_guide.end_row,
2736 line_height,
2737 snapshot,
2738 );
2739
2740 let start_y = Pixels::from(
2741 ScrollOffset::from(content_origin.y) + offset_y
2742 - scroll_pixel_position.y,
2743 );
2744
2745 Some(IndentGuideLayout {
2746 origin: point(start_x, start_y),
2747 length,
2748 single_indent_width,
2749 depth: indent_guide.depth,
2750 active: active_indent_guide_indices.contains(&i),
2751 settings: indent_guide.settings,
2752 })
2753 } else {
2754 None
2755 }
2756 })
2757 .collect(),
2758 )
2759 }
2760
2761 fn layout_wrap_guides(
2762 &self,
2763 em_advance: Pixels,
2764 scroll_position: gpui::Point<f64>,
2765 content_origin: gpui::Point<Pixels>,
2766 scrollbar_layout: Option<&EditorScrollbars>,
2767 vertical_scrollbar_width: Pixels,
2768 hitbox: &Hitbox,
2769 window: &Window,
2770 cx: &App,
2771 ) -> SmallVec<[(Pixels, bool); 2]> {
2772 let scroll_left = scroll_position.x as f32 * em_advance;
2773 let content_origin = content_origin.x;
2774 let horizontal_offset = content_origin - scroll_left;
2775 let vertical_scrollbar_width = scrollbar_layout
2776 .and_then(|layout| layout.visible.then_some(vertical_scrollbar_width))
2777 .unwrap_or_default();
2778
2779 self.editor
2780 .read(cx)
2781 .wrap_guides(cx)
2782 .into_iter()
2783 .flat_map(|(guide, active)| {
2784 let wrap_position = self.column_pixels(guide, window);
2785 let wrap_guide_x = wrap_position + horizontal_offset;
2786 let display_wrap_guide = wrap_guide_x >= content_origin
2787 && wrap_guide_x <= hitbox.bounds.right() - vertical_scrollbar_width;
2788
2789 display_wrap_guide.then_some((wrap_guide_x, active))
2790 })
2791 .collect()
2792 }
2793
2794 fn calculate_indent_guide_bounds(
2795 row_range: Range<MultiBufferRow>,
2796 line_height: Pixels,
2797 snapshot: &DisplaySnapshot,
2798 ) -> (f64, gpui::Pixels) {
2799 let start_point = Point::new(row_range.start.0, 0);
2800 let end_point = Point::new(row_range.end.0, 0);
2801
2802 let row_range = start_point.to_display_point(snapshot).row()
2803 ..end_point.to_display_point(snapshot).row();
2804
2805 let mut prev_line = start_point;
2806 prev_line.row = prev_line.row.saturating_sub(1);
2807 let prev_line = prev_line.to_display_point(snapshot).row();
2808
2809 let mut cons_line = end_point;
2810 cons_line.row += 1;
2811 let cons_line = cons_line.to_display_point(snapshot).row();
2812
2813 let mut offset_y = row_range.start.as_f64() * f64::from(line_height);
2814 let mut length = (cons_line.0.saturating_sub(row_range.start.0)) as f32 * line_height;
2815
2816 // If we are at the end of the buffer, ensure that the indent guide extends to the end of the line.
2817 if row_range.end == cons_line {
2818 length += line_height;
2819 }
2820
2821 // If there is a block (e.g. diagnostic) in between the start of the indent guide and the line above,
2822 // we want to extend the indent guide to the start of the block.
2823 let mut block_height = 0;
2824 let mut block_offset = 0;
2825 let mut found_excerpt_header = false;
2826 for (_, block) in snapshot.blocks_in_range(prev_line..row_range.start) {
2827 if matches!(
2828 block,
2829 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
2830 ) {
2831 found_excerpt_header = true;
2832 break;
2833 }
2834 block_offset += block.height();
2835 block_height += block.height();
2836 }
2837 if !found_excerpt_header {
2838 offset_y -= block_offset as f64 * f64::from(line_height);
2839 length += block_height as f32 * line_height;
2840 }
2841
2842 // If there is a block (e.g. diagnostic) at the end of an multibuffer excerpt,
2843 // we want to ensure that the indent guide stops before the excerpt header.
2844 let mut block_height = 0;
2845 let mut found_excerpt_header = false;
2846 for (_, block) in snapshot.blocks_in_range(row_range.end..cons_line) {
2847 if matches!(
2848 block,
2849 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
2850 ) {
2851 found_excerpt_header = true;
2852 }
2853 block_height += block.height();
2854 }
2855 if found_excerpt_header {
2856 length -= block_height as f32 * line_height;
2857 }
2858
2859 (offset_y, length)
2860 }
2861
2862 fn layout_breakpoints(
2863 &self,
2864 line_height: Pixels,
2865 range: Range<DisplayRow>,
2866 scroll_position: gpui::Point<ScrollOffset>,
2867 gutter_dimensions: &GutterDimensions,
2868 gutter_hitbox: &Hitbox,
2869 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2870 snapshot: &EditorSnapshot,
2871 breakpoints: HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2872 row_infos: &[RowInfo],
2873 window: &mut Window,
2874 cx: &mut App,
2875 ) -> Vec<AnyElement> {
2876 self.editor.update(cx, |editor, cx| {
2877 breakpoints
2878 .into_iter()
2879 .filter_map(|(display_row, (text_anchor, bp, state))| {
2880 if row_infos
2881 .get((display_row.0.saturating_sub(range.start.0)) as usize)
2882 .is_some_and(|row_info| {
2883 row_info.expand_info.is_some()
2884 || row_info
2885 .diff_status
2886 .is_some_and(|status| status.is_deleted())
2887 })
2888 {
2889 return None;
2890 }
2891
2892 if range.start > display_row || range.end < display_row {
2893 return None;
2894 }
2895
2896 let row =
2897 MultiBufferRow(DisplayPoint::new(display_row, 0).to_point(snapshot).row);
2898 if snapshot.is_line_folded(row) {
2899 return None;
2900 }
2901
2902 let button = editor.render_breakpoint(text_anchor, display_row, &bp, state, cx);
2903
2904 let button = prepaint_gutter_button(
2905 button,
2906 display_row,
2907 line_height,
2908 gutter_dimensions,
2909 scroll_position,
2910 gutter_hitbox,
2911 display_hunks,
2912 window,
2913 cx,
2914 );
2915 Some(button)
2916 })
2917 .collect_vec()
2918 })
2919 }
2920
2921 #[allow(clippy::too_many_arguments)]
2922 fn layout_run_indicators(
2923 &self,
2924 line_height: Pixels,
2925 range: Range<DisplayRow>,
2926 row_infos: &[RowInfo],
2927 scroll_position: gpui::Point<ScrollOffset>,
2928 gutter_dimensions: &GutterDimensions,
2929 gutter_hitbox: &Hitbox,
2930 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2931 snapshot: &EditorSnapshot,
2932 breakpoints: &mut HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2933 window: &mut Window,
2934 cx: &mut App,
2935 ) -> Vec<AnyElement> {
2936 self.editor.update(cx, |editor, cx| {
2937 let active_task_indicator_row =
2938 // TODO: add edit button on the right side of each row in the context menu
2939 if let Some(crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2940 deployed_from,
2941 actions,
2942 ..
2943 })) = editor.context_menu.borrow().as_ref()
2944 {
2945 actions
2946 .tasks()
2947 .map(|tasks| tasks.position.to_display_point(snapshot).row())
2948 .or_else(|| match deployed_from {
2949 Some(CodeActionSource::Indicator(row)) => Some(*row),
2950 _ => None,
2951 })
2952 } else {
2953 None
2954 };
2955
2956 let offset_range_start =
2957 snapshot.display_point_to_point(DisplayPoint::new(range.start, 0), Bias::Left);
2958
2959 let offset_range_end =
2960 snapshot.display_point_to_point(DisplayPoint::new(range.end, 0), Bias::Right);
2961
2962 editor
2963 .tasks
2964 .iter()
2965 .filter_map(|(_, tasks)| {
2966 let multibuffer_point = tasks.offset.to_point(&snapshot.buffer_snapshot());
2967 if multibuffer_point < offset_range_start
2968 || multibuffer_point > offset_range_end
2969 {
2970 return None;
2971 }
2972 let multibuffer_row = MultiBufferRow(multibuffer_point.row);
2973 let buffer_folded = snapshot
2974 .buffer_snapshot()
2975 .buffer_line_for_row(multibuffer_row)
2976 .map(|(buffer_snapshot, _)| buffer_snapshot.remote_id())
2977 .map(|buffer_id| editor.is_buffer_folded(buffer_id, cx))
2978 .unwrap_or(false);
2979 if buffer_folded {
2980 return None;
2981 }
2982
2983 if snapshot.is_line_folded(multibuffer_row) {
2984 // Skip folded indicators, unless it's the starting line of a fold.
2985 if multibuffer_row
2986 .0
2987 .checked_sub(1)
2988 .is_some_and(|previous_row| {
2989 snapshot.is_line_folded(MultiBufferRow(previous_row))
2990 })
2991 {
2992 return None;
2993 }
2994 }
2995
2996 let display_row = multibuffer_point.to_display_point(snapshot).row();
2997 if !range.contains(&display_row) {
2998 return None;
2999 }
3000 if row_infos
3001 .get((display_row - range.start).0 as usize)
3002 .is_some_and(|row_info| row_info.expand_info.is_some())
3003 {
3004 return None;
3005 }
3006
3007 let button = editor.render_run_indicator(
3008 &self.style,
3009 Some(display_row) == active_task_indicator_row,
3010 display_row,
3011 breakpoints.remove(&display_row),
3012 cx,
3013 );
3014
3015 let button = prepaint_gutter_button(
3016 button,
3017 display_row,
3018 line_height,
3019 gutter_dimensions,
3020 scroll_position,
3021 gutter_hitbox,
3022 display_hunks,
3023 window,
3024 cx,
3025 );
3026 Some(button)
3027 })
3028 .collect_vec()
3029 })
3030 }
3031
3032 fn layout_expand_toggles(
3033 &self,
3034 gutter_hitbox: &Hitbox,
3035 gutter_dimensions: GutterDimensions,
3036 em_width: Pixels,
3037 line_height: Pixels,
3038 scroll_position: gpui::Point<ScrollOffset>,
3039 buffer_rows: &[RowInfo],
3040 window: &mut Window,
3041 cx: &mut App,
3042 ) -> Vec<Option<(AnyElement, gpui::Point<Pixels>)>> {
3043 if self.editor.read(cx).disable_expand_excerpt_buttons {
3044 return vec![];
3045 }
3046
3047 let editor_font_size = self.style.text.font_size.to_pixels(window.rem_size()) * 1.2;
3048
3049 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
3050
3051 let max_line_number_length = self
3052 .editor
3053 .read(cx)
3054 .buffer()
3055 .read(cx)
3056 .snapshot(cx)
3057 .widest_line_number()
3058 .ilog10()
3059 + 1;
3060
3061 let git_gutter_width = Self::gutter_strip_width(line_height)
3062 + gutter_dimensions
3063 .git_blame_entries_width
3064 .unwrap_or_default();
3065 let available_width = gutter_dimensions.left_padding - git_gutter_width;
3066
3067 buffer_rows
3068 .iter()
3069 .enumerate()
3070 .map(|(ix, row_info)| {
3071 let ExpandInfo {
3072 excerpt_id,
3073 direction,
3074 } = row_info.expand_info?;
3075
3076 let icon_name = match direction {
3077 ExpandExcerptDirection::Up => IconName::ExpandUp,
3078 ExpandExcerptDirection::Down => IconName::ExpandDown,
3079 ExpandExcerptDirection::UpAndDown => IconName::ExpandVertical,
3080 };
3081
3082 let editor = self.editor.clone();
3083 let is_wide = max_line_number_length
3084 >= EditorSettings::get_global(cx).gutter.min_line_number_digits as u32
3085 && row_info
3086 .buffer_row
3087 .is_some_and(|row| (row + 1).ilog10() + 1 == max_line_number_length)
3088 || gutter_dimensions.right_padding == px(0.);
3089
3090 let width = if is_wide {
3091 available_width - px(2.)
3092 } else {
3093 available_width + em_width - px(2.)
3094 };
3095
3096 let toggle = IconButton::new(("expand", ix), icon_name)
3097 .icon_color(Color::Custom(cx.theme().colors().editor_line_number))
3098 .selected_icon_color(Color::Custom(cx.theme().colors().editor_foreground))
3099 .icon_size(IconSize::Custom(rems(editor_font_size / window.rem_size())))
3100 .width(width)
3101 .on_click(move |_, window, cx| {
3102 editor.update(cx, |editor, cx| {
3103 editor.expand_excerpt(excerpt_id, direction, window, cx);
3104 });
3105 })
3106 .tooltip(Tooltip::for_action_title(
3107 "Expand Excerpt",
3108 &crate::actions::ExpandExcerpts::default(),
3109 ))
3110 .into_any_element();
3111
3112 let position = point(
3113 git_gutter_width + px(1.),
3114 ix as f32 * line_height
3115 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height))
3116 + px(1.),
3117 );
3118 let origin = gutter_hitbox.origin + position;
3119
3120 Some((toggle, origin))
3121 })
3122 .collect()
3123 }
3124
3125 fn calculate_relative_line_numbers(
3126 &self,
3127 snapshot: &EditorSnapshot,
3128 rows: &Range<DisplayRow>,
3129 relative_to: Option<DisplayRow>,
3130 ) -> HashMap<DisplayRow, DisplayRowDelta> {
3131 let mut relative_rows: HashMap<DisplayRow, DisplayRowDelta> = Default::default();
3132 let Some(relative_to) = relative_to else {
3133 return relative_rows;
3134 };
3135
3136 let start = rows.start.min(relative_to);
3137 let end = rows.end.max(relative_to);
3138
3139 let buffer_rows = snapshot
3140 .row_infos(start)
3141 .take(1 + end.minus(start) as usize)
3142 .collect::<Vec<_>>();
3143
3144 let head_idx = relative_to.minus(start);
3145 let mut delta = 1;
3146 let mut i = head_idx + 1;
3147 while i < buffer_rows.len() as u32 {
3148 if buffer_rows[i as usize].buffer_row.is_some() {
3149 if rows.contains(&DisplayRow(i + start.0)) {
3150 relative_rows.insert(DisplayRow(i + start.0), delta);
3151 }
3152 delta += 1;
3153 }
3154 i += 1;
3155 }
3156 delta = 1;
3157 i = head_idx.min(buffer_rows.len() as u32 - 1);
3158 while i > 0 && buffer_rows[i as usize].buffer_row.is_none() {
3159 i -= 1;
3160 }
3161
3162 while i > 0 {
3163 i -= 1;
3164 if buffer_rows[i as usize].buffer_row.is_some() {
3165 if rows.contains(&DisplayRow(i + start.0)) {
3166 relative_rows.insert(DisplayRow(i + start.0), delta);
3167 }
3168 delta += 1;
3169 }
3170 }
3171
3172 relative_rows
3173 }
3174
3175 fn layout_line_numbers(
3176 &self,
3177 gutter_hitbox: Option<&Hitbox>,
3178 gutter_dimensions: GutterDimensions,
3179 line_height: Pixels,
3180 scroll_position: gpui::Point<ScrollOffset>,
3181 rows: Range<DisplayRow>,
3182 buffer_rows: &[RowInfo],
3183 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3184 newest_selection_head: Option<DisplayPoint>,
3185 snapshot: &EditorSnapshot,
3186 window: &mut Window,
3187 cx: &mut App,
3188 ) -> Arc<HashMap<MultiBufferRow, LineNumberLayout>> {
3189 let include_line_numbers = snapshot
3190 .show_line_numbers
3191 .unwrap_or_else(|| EditorSettings::get_global(cx).gutter.line_numbers);
3192 if !include_line_numbers {
3193 return Arc::default();
3194 }
3195
3196 let (newest_selection_head, is_relative) = self.editor.update(cx, |editor, cx| {
3197 let newest_selection_head = newest_selection_head.unwrap_or_else(|| {
3198 let newest = editor
3199 .selections
3200 .newest::<Point>(&editor.display_snapshot(cx));
3201 SelectionLayout::new(
3202 newest,
3203 editor.selections.line_mode(),
3204 editor.cursor_shape,
3205 &snapshot.display_snapshot,
3206 true,
3207 true,
3208 None,
3209 )
3210 .head
3211 });
3212 let is_relative = editor.should_use_relative_line_numbers(cx);
3213 (newest_selection_head, is_relative)
3214 });
3215
3216 let relative_to = if is_relative {
3217 Some(newest_selection_head.row())
3218 } else {
3219 None
3220 };
3221 let relative_rows = self.calculate_relative_line_numbers(snapshot, &rows, relative_to);
3222 let mut line_number = String::new();
3223 let line_numbers = buffer_rows
3224 .iter()
3225 .enumerate()
3226 .flat_map(|(ix, row_info)| {
3227 let display_row = DisplayRow(rows.start.0 + ix as u32);
3228 line_number.clear();
3229 let non_relative_number = row_info.buffer_row? + 1;
3230 let number = relative_rows
3231 .get(&display_row)
3232 .unwrap_or(&non_relative_number);
3233 write!(&mut line_number, "{number}").unwrap();
3234 if row_info
3235 .diff_status
3236 .is_some_and(|status| status.is_deleted())
3237 {
3238 return None;
3239 }
3240
3241 let color = active_rows
3242 .get(&display_row)
3243 .map(|spec| {
3244 if spec.breakpoint {
3245 cx.theme().colors().debugger_accent
3246 } else {
3247 cx.theme().colors().editor_active_line_number
3248 }
3249 })
3250 .unwrap_or_else(|| cx.theme().colors().editor_line_number);
3251 let shaped_line =
3252 self.shape_line_number(SharedString::from(&line_number), color, window);
3253 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
3254 let line_origin = gutter_hitbox.map(|hitbox| {
3255 hitbox.origin
3256 + point(
3257 hitbox.size.width - shaped_line.width - gutter_dimensions.right_padding,
3258 ix as f32 * line_height
3259 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height)),
3260 )
3261 });
3262
3263 #[cfg(not(test))]
3264 let hitbox = line_origin.map(|line_origin| {
3265 window.insert_hitbox(
3266 Bounds::new(line_origin, size(shaped_line.width, line_height)),
3267 HitboxBehavior::Normal,
3268 )
3269 });
3270 #[cfg(test)]
3271 let hitbox = {
3272 let _ = line_origin;
3273 None
3274 };
3275
3276 let multi_buffer_row = DisplayPoint::new(display_row, 0).to_point(snapshot).row;
3277 let multi_buffer_row = MultiBufferRow(multi_buffer_row);
3278 let line_number = LineNumberLayout {
3279 shaped_line,
3280 hitbox,
3281 };
3282 Some((multi_buffer_row, line_number))
3283 })
3284 .collect();
3285 Arc::new(line_numbers)
3286 }
3287
3288 fn layout_crease_toggles(
3289 &self,
3290 rows: Range<DisplayRow>,
3291 row_infos: &[RowInfo],
3292 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3293 snapshot: &EditorSnapshot,
3294 window: &mut Window,
3295 cx: &mut App,
3296 ) -> Vec<Option<AnyElement>> {
3297 let include_fold_statuses = EditorSettings::get_global(cx).gutter.folds
3298 && snapshot.mode.is_full()
3299 && self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
3300 if include_fold_statuses {
3301 row_infos
3302 .iter()
3303 .enumerate()
3304 .map(|(ix, info)| {
3305 if info.expand_info.is_some() {
3306 return None;
3307 }
3308 let row = info.multibuffer_row?;
3309 let display_row = DisplayRow(rows.start.0 + ix as u32);
3310 let active = active_rows.contains_key(&display_row);
3311
3312 snapshot.render_crease_toggle(row, active, self.editor.clone(), window, cx)
3313 })
3314 .collect()
3315 } else {
3316 Vec::new()
3317 }
3318 }
3319
3320 fn layout_crease_trailers(
3321 &self,
3322 buffer_rows: impl IntoIterator<Item = RowInfo>,
3323 snapshot: &EditorSnapshot,
3324 window: &mut Window,
3325 cx: &mut App,
3326 ) -> Vec<Option<AnyElement>> {
3327 buffer_rows
3328 .into_iter()
3329 .map(|row_info| {
3330 if row_info.expand_info.is_some() {
3331 return None;
3332 }
3333 if let Some(row) = row_info.multibuffer_row {
3334 snapshot.render_crease_trailer(row, window, cx)
3335 } else {
3336 None
3337 }
3338 })
3339 .collect()
3340 }
3341
3342 fn bg_segments_per_row(
3343 rows: Range<DisplayRow>,
3344 selections: &[(PlayerColor, Vec<SelectionLayout>)],
3345 highlight_ranges: &[(Range<DisplayPoint>, Hsla)],
3346 base_background: Hsla,
3347 ) -> Vec<Vec<(Range<DisplayPoint>, Hsla)>> {
3348 if rows.start >= rows.end {
3349 return Vec::new();
3350 }
3351 if !base_background.is_opaque() {
3352 // We don't actually know what color is behind this editor.
3353 return Vec::new();
3354 }
3355 let highlight_iter = highlight_ranges.iter().cloned();
3356 let selection_iter = selections.iter().flat_map(|(player_color, layouts)| {
3357 let color = player_color.selection;
3358 layouts.iter().filter_map(move |selection_layout| {
3359 if selection_layout.range.start != selection_layout.range.end {
3360 Some((selection_layout.range.clone(), color))
3361 } else {
3362 None
3363 }
3364 })
3365 });
3366 let mut per_row_map = vec![Vec::new(); rows.len()];
3367 for (range, color) in highlight_iter.chain(selection_iter) {
3368 let covered_rows = if range.end.column() == 0 {
3369 cmp::max(range.start.row(), rows.start)..cmp::min(range.end.row(), rows.end)
3370 } else {
3371 cmp::max(range.start.row(), rows.start)
3372 ..cmp::min(range.end.row().next_row(), rows.end)
3373 };
3374 for row in covered_rows.iter_rows() {
3375 let seg_start = if row == range.start.row() {
3376 range.start
3377 } else {
3378 DisplayPoint::new(row, 0)
3379 };
3380 let seg_end = if row == range.end.row() && range.end.column() != 0 {
3381 range.end
3382 } else {
3383 DisplayPoint::new(row, u32::MAX)
3384 };
3385 let ix = row.minus(rows.start) as usize;
3386 debug_assert!(row >= rows.start && row < rows.end);
3387 debug_assert!(ix < per_row_map.len());
3388 per_row_map[ix].push((seg_start..seg_end, color));
3389 }
3390 }
3391 for row_segments in per_row_map.iter_mut() {
3392 if row_segments.is_empty() {
3393 continue;
3394 }
3395 let segments = mem::take(row_segments);
3396 let merged = Self::merge_overlapping_ranges(segments, base_background);
3397 *row_segments = merged;
3398 }
3399 per_row_map
3400 }
3401
3402 /// Merge overlapping ranges by splitting at all range boundaries and blending colors where
3403 /// multiple ranges overlap. The result contains non-overlapping ranges ordered from left to right.
3404 ///
3405 /// Expects `start.row() == end.row()` for each range.
3406 fn merge_overlapping_ranges(
3407 ranges: Vec<(Range<DisplayPoint>, Hsla)>,
3408 base_background: Hsla,
3409 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
3410 struct Boundary {
3411 pos: DisplayPoint,
3412 is_start: bool,
3413 index: usize,
3414 color: Hsla,
3415 }
3416
3417 let mut boundaries: SmallVec<[Boundary; 16]> = SmallVec::with_capacity(ranges.len() * 2);
3418 for (index, (range, color)) in ranges.iter().enumerate() {
3419 debug_assert!(
3420 range.start.row() == range.end.row(),
3421 "expects single-row ranges"
3422 );
3423 if range.start < range.end {
3424 boundaries.push(Boundary {
3425 pos: range.start,
3426 is_start: true,
3427 index,
3428 color: *color,
3429 });
3430 boundaries.push(Boundary {
3431 pos: range.end,
3432 is_start: false,
3433 index,
3434 color: *color,
3435 });
3436 }
3437 }
3438
3439 if boundaries.is_empty() {
3440 return Vec::new();
3441 }
3442
3443 boundaries
3444 .sort_unstable_by(|a, b| a.pos.cmp(&b.pos).then_with(|| a.is_start.cmp(&b.is_start)));
3445
3446 let mut processed_ranges: Vec<(Range<DisplayPoint>, Hsla)> = Vec::new();
3447 let mut active_ranges: SmallVec<[(usize, Hsla); 8]> = SmallVec::new();
3448
3449 let mut i = 0;
3450 let mut start_pos = boundaries[0].pos;
3451
3452 let boundaries_len = boundaries.len();
3453 while i < boundaries_len {
3454 let current_boundary_pos = boundaries[i].pos;
3455 if start_pos < current_boundary_pos {
3456 if !active_ranges.is_empty() {
3457 let mut color = base_background;
3458 for &(_, c) in &active_ranges {
3459 color = Hsla::blend(color, c);
3460 }
3461 if let Some((last_range, last_color)) = processed_ranges.last_mut() {
3462 if *last_color == color && last_range.end == start_pos {
3463 last_range.end = current_boundary_pos;
3464 } else {
3465 processed_ranges.push((start_pos..current_boundary_pos, color));
3466 }
3467 } else {
3468 processed_ranges.push((start_pos..current_boundary_pos, color));
3469 }
3470 }
3471 }
3472 while i < boundaries_len && boundaries[i].pos == current_boundary_pos {
3473 let active_range = &boundaries[i];
3474 if active_range.is_start {
3475 let idx = active_range.index;
3476 let pos = active_ranges
3477 .binary_search_by_key(&idx, |(i, _)| *i)
3478 .unwrap_or_else(|p| p);
3479 active_ranges.insert(pos, (idx, active_range.color));
3480 } else {
3481 let idx = active_range.index;
3482 if let Ok(pos) = active_ranges.binary_search_by_key(&idx, |(i, _)| *i) {
3483 active_ranges.remove(pos);
3484 }
3485 }
3486 i += 1;
3487 }
3488 start_pos = current_boundary_pos;
3489 }
3490
3491 processed_ranges
3492 }
3493
3494 fn layout_lines(
3495 rows: Range<DisplayRow>,
3496 snapshot: &EditorSnapshot,
3497 style: &EditorStyle,
3498 editor_width: Pixels,
3499 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3500 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
3501 window: &mut Window,
3502 cx: &mut App,
3503 ) -> Vec<LineWithInvisibles> {
3504 if rows.start >= rows.end {
3505 return Vec::new();
3506 }
3507
3508 // Show the placeholder when the editor is empty
3509 if snapshot.is_empty() {
3510 let font_size = style.text.font_size.to_pixels(window.rem_size());
3511 let placeholder_color = cx.theme().colors().text_placeholder;
3512 let placeholder_text = snapshot.placeholder_text();
3513
3514 let placeholder_lines = placeholder_text
3515 .as_ref()
3516 .map_or(Vec::new(), |text| text.split('\n').collect::<Vec<_>>());
3517
3518 let placeholder_line_count = placeholder_lines.len();
3519
3520 placeholder_lines
3521 .into_iter()
3522 .skip(rows.start.0 as usize)
3523 .chain(iter::repeat(""))
3524 .take(cmp::max(rows.len(), placeholder_line_count))
3525 .map(move |line| {
3526 let run = TextRun {
3527 len: line.len(),
3528 font: style.text.font(),
3529 color: placeholder_color,
3530 background_color: None,
3531 underline: None,
3532 strikethrough: None,
3533 };
3534 let line = window.text_system().shape_line(
3535 line.to_string().into(),
3536 font_size,
3537 &[run],
3538 None,
3539 );
3540 LineWithInvisibles {
3541 width: line.width,
3542 len: line.len,
3543 fragments: smallvec![LineFragment::Text(line)],
3544 invisibles: Vec::new(),
3545 font_size,
3546 }
3547 })
3548 .collect()
3549 } else {
3550 let chunks = snapshot.highlighted_chunks(rows.clone(), true, style);
3551 LineWithInvisibles::from_chunks(
3552 chunks,
3553 style,
3554 MAX_LINE_LEN,
3555 rows.len(),
3556 &snapshot.mode,
3557 editor_width,
3558 is_row_soft_wrapped,
3559 bg_segments_per_row,
3560 window,
3561 cx,
3562 )
3563 }
3564 }
3565
3566 fn prepaint_lines(
3567 &self,
3568 start_row: DisplayRow,
3569 line_layouts: &mut [LineWithInvisibles],
3570 line_height: Pixels,
3571 scroll_position: gpui::Point<ScrollOffset>,
3572 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
3573 content_origin: gpui::Point<Pixels>,
3574 window: &mut Window,
3575 cx: &mut App,
3576 ) -> SmallVec<[AnyElement; 1]> {
3577 let mut line_elements = SmallVec::new();
3578 for (ix, line) in line_layouts.iter_mut().enumerate() {
3579 let row = start_row + DisplayRow(ix as u32);
3580 line.prepaint(
3581 line_height,
3582 scroll_position,
3583 scroll_pixel_position,
3584 row,
3585 content_origin,
3586 &mut line_elements,
3587 window,
3588 cx,
3589 );
3590 }
3591 line_elements
3592 }
3593
3594 fn render_block(
3595 &self,
3596 block: &Block,
3597 available_width: AvailableSpace,
3598 block_id: BlockId,
3599 block_row_start: DisplayRow,
3600 snapshot: &EditorSnapshot,
3601 text_x: Pixels,
3602 rows: &Range<DisplayRow>,
3603 line_layouts: &[LineWithInvisibles],
3604 editor_margins: &EditorMargins,
3605 line_height: Pixels,
3606 em_width: Pixels,
3607 text_hitbox: &Hitbox,
3608 editor_width: Pixels,
3609 scroll_width: &mut Pixels,
3610 resized_blocks: &mut HashMap<CustomBlockId, u32>,
3611 row_block_types: &mut HashMap<DisplayRow, bool>,
3612 selections: &[Selection<Point>],
3613 selected_buffer_ids: &Vec<BufferId>,
3614 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3615 sticky_header_excerpt_id: Option<ExcerptId>,
3616 window: &mut Window,
3617 cx: &mut App,
3618 ) -> Option<(AnyElement, Size<Pixels>, DisplayRow, Pixels)> {
3619 let mut x_position = None;
3620 let mut element = match block {
3621 Block::Custom(custom) => {
3622 let block_start = custom.start().to_point(&snapshot.buffer_snapshot());
3623 let block_end = custom.end().to_point(&snapshot.buffer_snapshot());
3624 if block.place_near() && snapshot.is_line_folded(MultiBufferRow(block_start.row)) {
3625 return None;
3626 }
3627 let align_to = block_start.to_display_point(snapshot);
3628 let x_and_width = |layout: &LineWithInvisibles| {
3629 Some((
3630 text_x + layout.x_for_index(align_to.column() as usize),
3631 text_x + layout.width,
3632 ))
3633 };
3634 let line_ix = align_to.row().0.checked_sub(rows.start.0);
3635 x_position =
3636 if let Some(layout) = line_ix.and_then(|ix| line_layouts.get(ix as usize)) {
3637 x_and_width(layout)
3638 } else {
3639 x_and_width(&layout_line(
3640 align_to.row(),
3641 snapshot,
3642 &self.style,
3643 editor_width,
3644 is_row_soft_wrapped,
3645 window,
3646 cx,
3647 ))
3648 };
3649
3650 let anchor_x = x_position.unwrap().0;
3651
3652 let selected = selections
3653 .binary_search_by(|selection| {
3654 if selection.end <= block_start {
3655 Ordering::Less
3656 } else if selection.start >= block_end {
3657 Ordering::Greater
3658 } else {
3659 Ordering::Equal
3660 }
3661 })
3662 .is_ok();
3663
3664 div()
3665 .size_full()
3666 .child(custom.render(&mut BlockContext {
3667 window,
3668 app: cx,
3669 anchor_x,
3670 margins: editor_margins,
3671 line_height,
3672 em_width,
3673 block_id,
3674 selected,
3675 max_width: text_hitbox.size.width.max(*scroll_width),
3676 editor_style: &self.style,
3677 }))
3678 .into_any()
3679 }
3680
3681 Block::FoldedBuffer {
3682 first_excerpt,
3683 height,
3684 ..
3685 } => {
3686 let selected = selected_buffer_ids.contains(&first_excerpt.buffer_id);
3687 let result = v_flex().id(block_id).w_full().pr(editor_margins.right);
3688
3689 let jump_data = header_jump_data(snapshot, block_row_start, *height, first_excerpt);
3690 result
3691 .child(self.render_buffer_header(
3692 first_excerpt,
3693 true,
3694 selected,
3695 false,
3696 jump_data,
3697 window,
3698 cx,
3699 ))
3700 .into_any_element()
3701 }
3702
3703 Block::ExcerptBoundary { .. } => {
3704 let color = cx.theme().colors().clone();
3705 let mut result = v_flex().id(block_id).w_full();
3706
3707 result = result.child(
3708 h_flex().relative().child(
3709 div()
3710 .top(line_height / 2.)
3711 .absolute()
3712 .w_full()
3713 .h_px()
3714 .bg(color.border_variant),
3715 ),
3716 );
3717
3718 result.into_any()
3719 }
3720
3721 Block::BufferHeader { excerpt, height } => {
3722 let mut result = v_flex().id(block_id).w_full();
3723
3724 let jump_data = header_jump_data(snapshot, block_row_start, *height, excerpt);
3725
3726 if sticky_header_excerpt_id != Some(excerpt.id) {
3727 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
3728
3729 result = result.child(div().pr(editor_margins.right).child(
3730 self.render_buffer_header(
3731 excerpt, false, selected, false, jump_data, window, cx,
3732 ),
3733 ));
3734 } else {
3735 result =
3736 result.child(div().h(FILE_HEADER_HEIGHT as f32 * window.line_height()));
3737 }
3738
3739 result.into_any()
3740 }
3741 };
3742
3743 // Discover the element's content height, then round up to the nearest multiple of line height.
3744 let preliminary_size = element.layout_as_root(
3745 size(available_width, AvailableSpace::MinContent),
3746 window,
3747 cx,
3748 );
3749 let quantized_height = (preliminary_size.height / line_height).ceil() * line_height;
3750 let final_size = if preliminary_size.height == quantized_height {
3751 preliminary_size
3752 } else {
3753 element.layout_as_root(size(available_width, quantized_height.into()), window, cx)
3754 };
3755 let mut element_height_in_lines = ((final_size.height / line_height).ceil() as u32).max(1);
3756
3757 let mut row = block_row_start;
3758 let mut x_offset = px(0.);
3759 let mut is_block = true;
3760
3761 if let BlockId::Custom(custom_block_id) = block_id
3762 && block.has_height()
3763 {
3764 if block.place_near()
3765 && let Some((x_target, line_width)) = x_position
3766 {
3767 let margin = em_width * 2;
3768 if line_width + final_size.width + margin
3769 < editor_width + editor_margins.gutter.full_width()
3770 && !row_block_types.contains_key(&(row - 1))
3771 && element_height_in_lines == 1
3772 {
3773 x_offset = line_width + margin;
3774 row = row - 1;
3775 is_block = false;
3776 element_height_in_lines = 0;
3777 row_block_types.insert(row, is_block);
3778 } else {
3779 let max_offset =
3780 editor_width + editor_margins.gutter.full_width() - final_size.width;
3781 let min_offset = (x_target + em_width - final_size.width)
3782 .max(editor_margins.gutter.full_width());
3783 x_offset = x_target.min(max_offset).max(min_offset);
3784 }
3785 };
3786 if element_height_in_lines != block.height() {
3787 resized_blocks.insert(custom_block_id, element_height_in_lines);
3788 }
3789 }
3790 for i in 0..element_height_in_lines {
3791 row_block_types.insert(row + i, is_block);
3792 }
3793
3794 Some((element, final_size, row, x_offset))
3795 }
3796
3797 fn render_buffer_header(
3798 &self,
3799 for_excerpt: &ExcerptInfo,
3800 is_folded: bool,
3801 is_selected: bool,
3802 is_sticky: bool,
3803 jump_data: JumpData,
3804 window: &mut Window,
3805 cx: &mut App,
3806 ) -> impl IntoElement {
3807 let editor = self.editor.read(cx);
3808 let multi_buffer = editor.buffer.read(cx);
3809 let file_status = multi_buffer
3810 .all_diff_hunks_expanded()
3811 .then(|| {
3812 editor
3813 .project
3814 .as_ref()?
3815 .read(cx)
3816 .status_for_buffer_id(for_excerpt.buffer_id, cx)
3817 })
3818 .flatten();
3819 let indicator = multi_buffer
3820 .buffer(for_excerpt.buffer_id)
3821 .and_then(|buffer| {
3822 let buffer = buffer.read(cx);
3823 let indicator_color = match (buffer.has_conflict(), buffer.is_dirty()) {
3824 (true, _) => Some(Color::Warning),
3825 (_, true) => Some(Color::Accent),
3826 (false, false) => None,
3827 };
3828 indicator_color.map(|indicator_color| Indicator::dot().color(indicator_color))
3829 });
3830
3831 let include_root = editor
3832 .project
3833 .as_ref()
3834 .map(|project| project.read(cx).visible_worktrees(cx).count() > 1)
3835 .unwrap_or_default();
3836 let file = for_excerpt.buffer.file();
3837 let can_open_excerpts = Editor::can_open_excerpts_in_file(file);
3838 let path_style = file.map(|file| file.path_style(cx));
3839 let relative_path = for_excerpt.buffer.resolve_file_path(include_root, cx);
3840 let (parent_path, filename) = if let Some(path) = &relative_path {
3841 if let Some(path_style) = path_style {
3842 let (dir, file_name) = path_style.split(path);
3843 (dir.map(|dir| dir.to_owned()), Some(file_name.to_owned()))
3844 } else {
3845 (None, Some(path.clone()))
3846 }
3847 } else {
3848 (None, None)
3849 };
3850 let focus_handle = editor.focus_handle(cx);
3851 let colors = cx.theme().colors();
3852
3853 let header = div()
3854 .p_1()
3855 .w_full()
3856 .h(FILE_HEADER_HEIGHT as f32 * window.line_height())
3857 .child(
3858 h_flex()
3859 .size_full()
3860 .gap_2()
3861 .flex_basis(Length::Definite(DefiniteLength::Fraction(0.667)))
3862 .pl_0p5()
3863 .pr_5()
3864 .rounded_sm()
3865 .when(is_sticky, |el| el.shadow_md())
3866 .border_1()
3867 .map(|div| {
3868 let border_color = if is_selected
3869 && is_folded
3870 && focus_handle.contains_focused(window, cx)
3871 {
3872 colors.border_focused
3873 } else {
3874 colors.border
3875 };
3876 div.border_color(border_color)
3877 })
3878 .bg(colors.editor_subheader_background)
3879 .hover(|style| style.bg(colors.element_hover))
3880 .map(|header| {
3881 let editor = self.editor.clone();
3882 let buffer_id = for_excerpt.buffer_id;
3883 let toggle_chevron_icon =
3884 FileIcons::get_chevron_icon(!is_folded, cx).map(Icon::from_path);
3885 header.child(
3886 div()
3887 .hover(|style| style.bg(colors.element_selected))
3888 .rounded_xs()
3889 .child(
3890 ButtonLike::new("toggle-buffer-fold")
3891 .style(ui::ButtonStyle::Transparent)
3892 .height(px(28.).into())
3893 .width(px(28.))
3894 .children(toggle_chevron_icon)
3895 .tooltip({
3896 let focus_handle = focus_handle.clone();
3897 move |window, cx| {
3898 Tooltip::with_meta_in(
3899 "Toggle Excerpt Fold",
3900 Some(&ToggleFold),
3901 format!(
3902 "{} to toggle all",
3903 text_for_keystroke(
3904 &Modifiers::alt(),
3905 "click",
3906 cx
3907 )
3908 ),
3909 &focus_handle,
3910 window,
3911 cx,
3912 )
3913 }
3914 })
3915 .on_click(move |event, window, cx| {
3916 if event.modifiers().alt {
3917 // Alt+click toggles all buffers
3918 editor.update(cx, |editor, cx| {
3919 editor.toggle_fold_all(
3920 &ToggleFoldAll,
3921 window,
3922 cx,
3923 );
3924 });
3925 } else {
3926 // Regular click toggles single buffer
3927 if is_folded {
3928 editor.update(cx, |editor, cx| {
3929 editor.unfold_buffer(buffer_id, cx);
3930 });
3931 } else {
3932 editor.update(cx, |editor, cx| {
3933 editor.fold_buffer(buffer_id, cx);
3934 });
3935 }
3936 }
3937 }),
3938 ),
3939 )
3940 })
3941 .children(
3942 editor
3943 .addons
3944 .values()
3945 .filter_map(|addon| {
3946 addon.render_buffer_header_controls(for_excerpt, window, cx)
3947 })
3948 .take(1),
3949 )
3950 .child(h_flex().size(px(12.0)).justify_center().children(indicator))
3951 .child(
3952 h_flex()
3953 .cursor_pointer()
3954 .id("path header block")
3955 .size_full()
3956 .justify_between()
3957 .overflow_hidden()
3958 .child(
3959 h_flex()
3960 .gap_2()
3961 .map(|path_header| {
3962 let filename = filename
3963 .map(SharedString::from)
3964 .unwrap_or_else(|| "untitled".into());
3965
3966 path_header
3967 .when(ItemSettings::get_global(cx).file_icons, |el| {
3968 let path = path::Path::new(filename.as_str());
3969 let icon = FileIcons::get_icon(path, cx)
3970 .unwrap_or_default();
3971 let icon =
3972 Icon::from_path(icon).color(Color::Muted);
3973 el.child(icon)
3974 })
3975 .child(Label::new(filename).single_line().when_some(
3976 file_status,
3977 |el, status| {
3978 el.color(if status.is_conflicted() {
3979 Color::Conflict
3980 } else if status.is_modified() {
3981 Color::Modified
3982 } else if status.is_deleted() {
3983 Color::Disabled
3984 } else {
3985 Color::Created
3986 })
3987 .when(status.is_deleted(), |el| {
3988 el.strikethrough()
3989 })
3990 },
3991 ))
3992 })
3993 .when_some(parent_path, |then, path| {
3994 then.child(div().child(path).text_color(
3995 if file_status.is_some_and(FileStatus::is_deleted) {
3996 colors.text_disabled
3997 } else {
3998 colors.text_muted
3999 },
4000 ))
4001 }),
4002 )
4003 .when(
4004 can_open_excerpts && is_selected && relative_path.is_some(),
4005 |el| {
4006 el.child(
4007 h_flex()
4008 .id("jump-to-file-button")
4009 .gap_2p5()
4010 .child(Label::new("Jump To File"))
4011 .children(
4012 KeyBinding::for_action_in(
4013 &OpenExcerpts,
4014 &focus_handle,
4015 window,
4016 cx,
4017 )
4018 .map(|binding| binding.into_any_element()),
4019 ),
4020 )
4021 },
4022 )
4023 .on_mouse_down(MouseButton::Left, |_, _, cx| cx.stop_propagation())
4024 .on_click(window.listener_for(&self.editor, {
4025 move |editor, e: &ClickEvent, window, cx| {
4026 editor.open_excerpts_common(
4027 Some(jump_data.clone()),
4028 e.modifiers().secondary(),
4029 window,
4030 cx,
4031 );
4032 }
4033 })),
4034 ),
4035 );
4036
4037 let file = for_excerpt.buffer.file().cloned();
4038 let editor = self.editor.clone();
4039 right_click_menu("buffer-header-context-menu")
4040 .trigger(move |_, _, _| header)
4041 .menu(move |window, cx| {
4042 let menu_context = focus_handle.clone();
4043 let editor = editor.clone();
4044 let file = file.clone();
4045 ContextMenu::build(window, cx, move |mut menu, window, cx| {
4046 if let Some(file) = file
4047 && let Some(project) = editor.read(cx).project()
4048 && let Some(worktree) =
4049 project.read(cx).worktree_for_id(file.worktree_id(cx), cx)
4050 {
4051 let path_style = file.path_style(cx);
4052 let worktree = worktree.read(cx);
4053 let relative_path = file.path();
4054 let entry_for_path = worktree.entry_for_path(relative_path);
4055 let abs_path = entry_for_path.map(|e| {
4056 e.canonical_path.as_deref().map_or_else(
4057 || worktree.absolutize(relative_path),
4058 Path::to_path_buf,
4059 )
4060 });
4061 let has_relative_path = worktree.root_entry().is_some_and(Entry::is_dir);
4062
4063 let parent_abs_path = abs_path
4064 .as_ref()
4065 .and_then(|abs_path| Some(abs_path.parent()?.to_path_buf()));
4066 let relative_path = has_relative_path
4067 .then_some(relative_path)
4068 .map(ToOwned::to_owned);
4069
4070 let visible_in_project_panel =
4071 relative_path.is_some() && worktree.is_visible();
4072 let reveal_in_project_panel = entry_for_path
4073 .filter(|_| visible_in_project_panel)
4074 .map(|entry| entry.id);
4075 menu = menu
4076 .when_some(abs_path, |menu, abs_path| {
4077 menu.entry(
4078 "Copy Path",
4079 Some(Box::new(zed_actions::workspace::CopyPath)),
4080 window.handler_for(&editor, move |_, _, cx| {
4081 cx.write_to_clipboard(ClipboardItem::new_string(
4082 abs_path.to_string_lossy().into_owned(),
4083 ));
4084 }),
4085 )
4086 })
4087 .when_some(relative_path, |menu, relative_path| {
4088 menu.entry(
4089 "Copy Relative Path",
4090 Some(Box::new(zed_actions::workspace::CopyRelativePath)),
4091 window.handler_for(&editor, move |_, _, cx| {
4092 cx.write_to_clipboard(ClipboardItem::new_string(
4093 relative_path.display(path_style).to_string(),
4094 ));
4095 }),
4096 )
4097 })
4098 .when(
4099 reveal_in_project_panel.is_some() || parent_abs_path.is_some(),
4100 |menu| menu.separator(),
4101 )
4102 .when_some(reveal_in_project_panel, |menu, entry_id| {
4103 menu.entry(
4104 "Reveal In Project Panel",
4105 Some(Box::new(RevealInProjectPanel::default())),
4106 window.handler_for(&editor, move |editor, _, cx| {
4107 if let Some(project) = &mut editor.project {
4108 project.update(cx, |_, cx| {
4109 cx.emit(project::Event::RevealInProjectPanel(
4110 entry_id,
4111 ))
4112 });
4113 }
4114 }),
4115 )
4116 })
4117 .when_some(parent_abs_path, |menu, parent_abs_path| {
4118 menu.entry(
4119 "Open in Terminal",
4120 Some(Box::new(OpenInTerminal)),
4121 window.handler_for(&editor, move |_, window, cx| {
4122 window.dispatch_action(
4123 OpenTerminal {
4124 working_directory: parent_abs_path.clone(),
4125 }
4126 .boxed_clone(),
4127 cx,
4128 );
4129 }),
4130 )
4131 });
4132 }
4133
4134 menu.context(menu_context)
4135 })
4136 })
4137 }
4138
4139 fn render_blocks(
4140 &self,
4141 rows: Range<DisplayRow>,
4142 snapshot: &EditorSnapshot,
4143 hitbox: &Hitbox,
4144 text_hitbox: &Hitbox,
4145 editor_width: Pixels,
4146 scroll_width: &mut Pixels,
4147 editor_margins: &EditorMargins,
4148 em_width: Pixels,
4149 text_x: Pixels,
4150 line_height: Pixels,
4151 line_layouts: &mut [LineWithInvisibles],
4152 selections: &[Selection<Point>],
4153 selected_buffer_ids: &Vec<BufferId>,
4154 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
4155 sticky_header_excerpt_id: Option<ExcerptId>,
4156 window: &mut Window,
4157 cx: &mut App,
4158 ) -> Result<(Vec<BlockLayout>, HashMap<DisplayRow, bool>), HashMap<CustomBlockId, u32>> {
4159 let (fixed_blocks, non_fixed_blocks) = snapshot
4160 .blocks_in_range(rows.clone())
4161 .partition::<Vec<_>, _>(|(_, block)| block.style() == BlockStyle::Fixed);
4162
4163 let mut focused_block = self
4164 .editor
4165 .update(cx, |editor, _| editor.take_focused_block());
4166 let mut fixed_block_max_width = Pixels::ZERO;
4167 let mut blocks = Vec::new();
4168 let mut resized_blocks = HashMap::default();
4169 let mut row_block_types = HashMap::default();
4170
4171 for (row, block) in fixed_blocks {
4172 let block_id = block.id();
4173
4174 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4175 focused_block = None;
4176 }
4177
4178 if let Some((element, element_size, row, x_offset)) = self.render_block(
4179 block,
4180 AvailableSpace::MinContent,
4181 block_id,
4182 row,
4183 snapshot,
4184 text_x,
4185 &rows,
4186 line_layouts,
4187 editor_margins,
4188 line_height,
4189 em_width,
4190 text_hitbox,
4191 editor_width,
4192 scroll_width,
4193 &mut resized_blocks,
4194 &mut row_block_types,
4195 selections,
4196 selected_buffer_ids,
4197 is_row_soft_wrapped,
4198 sticky_header_excerpt_id,
4199 window,
4200 cx,
4201 ) {
4202 fixed_block_max_width = fixed_block_max_width.max(element_size.width + em_width);
4203 blocks.push(BlockLayout {
4204 id: block_id,
4205 x_offset,
4206 row: Some(row),
4207 element,
4208 available_space: size(AvailableSpace::MinContent, element_size.height.into()),
4209 style: BlockStyle::Fixed,
4210 overlaps_gutter: true,
4211 is_buffer_header: block.is_buffer_header(),
4212 });
4213 }
4214 }
4215
4216 for (row, block) in non_fixed_blocks {
4217 let style = block.style();
4218 let width = match (style, block.place_near()) {
4219 (_, true) => AvailableSpace::MinContent,
4220 (BlockStyle::Sticky, _) => hitbox.size.width.into(),
4221 (BlockStyle::Flex, _) => hitbox
4222 .size
4223 .width
4224 .max(fixed_block_max_width)
4225 .max(editor_margins.gutter.width + *scroll_width)
4226 .into(),
4227 (BlockStyle::Fixed, _) => unreachable!(),
4228 };
4229 let block_id = block.id();
4230
4231 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4232 focused_block = None;
4233 }
4234
4235 if let Some((element, element_size, row, x_offset)) = self.render_block(
4236 block,
4237 width,
4238 block_id,
4239 row,
4240 snapshot,
4241 text_x,
4242 &rows,
4243 line_layouts,
4244 editor_margins,
4245 line_height,
4246 em_width,
4247 text_hitbox,
4248 editor_width,
4249 scroll_width,
4250 &mut resized_blocks,
4251 &mut row_block_types,
4252 selections,
4253 selected_buffer_ids,
4254 is_row_soft_wrapped,
4255 sticky_header_excerpt_id,
4256 window,
4257 cx,
4258 ) {
4259 blocks.push(BlockLayout {
4260 id: block_id,
4261 x_offset,
4262 row: Some(row),
4263 element,
4264 available_space: size(width, element_size.height.into()),
4265 style,
4266 overlaps_gutter: !block.place_near(),
4267 is_buffer_header: block.is_buffer_header(),
4268 });
4269 }
4270 }
4271
4272 if let Some(focused_block) = focused_block
4273 && let Some(focus_handle) = focused_block.focus_handle.upgrade()
4274 && focus_handle.is_focused(window)
4275 && let Some(block) = snapshot.block_for_id(focused_block.id)
4276 {
4277 let style = block.style();
4278 let width = match style {
4279 BlockStyle::Fixed => AvailableSpace::MinContent,
4280 BlockStyle::Flex => AvailableSpace::Definite(
4281 hitbox
4282 .size
4283 .width
4284 .max(fixed_block_max_width)
4285 .max(editor_margins.gutter.width + *scroll_width),
4286 ),
4287 BlockStyle::Sticky => AvailableSpace::Definite(hitbox.size.width),
4288 };
4289
4290 if let Some((element, element_size, _, x_offset)) = self.render_block(
4291 &block,
4292 width,
4293 focused_block.id,
4294 rows.end,
4295 snapshot,
4296 text_x,
4297 &rows,
4298 line_layouts,
4299 editor_margins,
4300 line_height,
4301 em_width,
4302 text_hitbox,
4303 editor_width,
4304 scroll_width,
4305 &mut resized_blocks,
4306 &mut row_block_types,
4307 selections,
4308 selected_buffer_ids,
4309 is_row_soft_wrapped,
4310 sticky_header_excerpt_id,
4311 window,
4312 cx,
4313 ) {
4314 blocks.push(BlockLayout {
4315 id: block.id(),
4316 x_offset,
4317 row: None,
4318 element,
4319 available_space: size(width, element_size.height.into()),
4320 style,
4321 overlaps_gutter: true,
4322 is_buffer_header: block.is_buffer_header(),
4323 });
4324 }
4325 }
4326
4327 if resized_blocks.is_empty() {
4328 *scroll_width =
4329 (*scroll_width).max(fixed_block_max_width - editor_margins.gutter.width);
4330 Ok((blocks, row_block_types))
4331 } else {
4332 Err(resized_blocks)
4333 }
4334 }
4335
4336 fn layout_blocks(
4337 &self,
4338 blocks: &mut Vec<BlockLayout>,
4339 hitbox: &Hitbox,
4340 line_height: Pixels,
4341 scroll_position: gpui::Point<ScrollOffset>,
4342 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4343 window: &mut Window,
4344 cx: &mut App,
4345 ) {
4346 for block in blocks {
4347 let mut origin = if let Some(row) = block.row {
4348 hitbox.origin
4349 + point(
4350 block.x_offset,
4351 Pixels::from(
4352 (row.as_f64() - scroll_position.y)
4353 * ScrollPixelOffset::from(line_height),
4354 ),
4355 )
4356 } else {
4357 // Position the block outside the visible area
4358 hitbox.origin + point(Pixels::ZERO, hitbox.size.height)
4359 };
4360
4361 if !matches!(block.style, BlockStyle::Sticky) {
4362 origin += point(Pixels::from(-scroll_pixel_position.x), Pixels::ZERO);
4363 }
4364
4365 let focus_handle =
4366 block
4367 .element
4368 .prepaint_as_root(origin, block.available_space, window, cx);
4369
4370 if let Some(focus_handle) = focus_handle {
4371 self.editor.update(cx, |editor, _cx| {
4372 editor.set_focused_block(FocusedBlock {
4373 id: block.id,
4374 focus_handle: focus_handle.downgrade(),
4375 });
4376 });
4377 }
4378 }
4379 }
4380
4381 fn layout_sticky_buffer_header(
4382 &self,
4383 StickyHeaderExcerpt { excerpt }: StickyHeaderExcerpt<'_>,
4384 scroll_position: gpui::Point<ScrollOffset>,
4385 line_height: Pixels,
4386 right_margin: Pixels,
4387 snapshot: &EditorSnapshot,
4388 hitbox: &Hitbox,
4389 selected_buffer_ids: &Vec<BufferId>,
4390 blocks: &[BlockLayout],
4391 window: &mut Window,
4392 cx: &mut App,
4393 ) -> AnyElement {
4394 let jump_data = header_jump_data(
4395 snapshot,
4396 DisplayRow(scroll_position.y as u32),
4397 FILE_HEADER_HEIGHT + MULTI_BUFFER_EXCERPT_HEADER_HEIGHT,
4398 excerpt,
4399 );
4400
4401 let editor_bg_color = cx.theme().colors().editor_background;
4402
4403 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
4404
4405 let available_width = hitbox.bounds.size.width - right_margin;
4406
4407 let mut header = v_flex()
4408 .w_full()
4409 .relative()
4410 .child(
4411 div()
4412 .w(available_width)
4413 .h(FILE_HEADER_HEIGHT as f32 * line_height)
4414 .bg(linear_gradient(
4415 0.,
4416 linear_color_stop(editor_bg_color.opacity(0.), 0.),
4417 linear_color_stop(editor_bg_color, 0.6),
4418 ))
4419 .absolute()
4420 .top_0(),
4421 )
4422 .child(
4423 self.render_buffer_header(excerpt, false, selected, true, jump_data, window, cx)
4424 .into_any_element(),
4425 )
4426 .into_any_element();
4427
4428 let mut origin = hitbox.origin;
4429 // Move floating header up to avoid colliding with the next buffer header.
4430 for block in blocks.iter() {
4431 if !block.is_buffer_header {
4432 continue;
4433 }
4434
4435 let Some(display_row) = block.row.filter(|row| row.0 > scroll_position.y as u32) else {
4436 continue;
4437 };
4438
4439 let max_row = display_row.0.saturating_sub(FILE_HEADER_HEIGHT);
4440 let offset = scroll_position.y - max_row as f64;
4441
4442 if offset > 0.0 {
4443 origin.y -= Pixels::from(offset * ScrollPixelOffset::from(line_height));
4444 }
4445 break;
4446 }
4447
4448 let size = size(
4449 AvailableSpace::Definite(available_width),
4450 AvailableSpace::MinContent,
4451 );
4452
4453 header.prepaint_as_root(origin, size, window, cx);
4454
4455 header
4456 }
4457
4458 fn layout_cursor_popovers(
4459 &self,
4460 line_height: Pixels,
4461 text_hitbox: &Hitbox,
4462 content_origin: gpui::Point<Pixels>,
4463 right_margin: Pixels,
4464 start_row: DisplayRow,
4465 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4466 line_layouts: &[LineWithInvisibles],
4467 cursor: DisplayPoint,
4468 cursor_point: Point,
4469 style: &EditorStyle,
4470 window: &mut Window,
4471 cx: &mut App,
4472 ) -> Option<ContextMenuLayout> {
4473 let mut min_menu_height = Pixels::ZERO;
4474 let mut max_menu_height = Pixels::ZERO;
4475 let mut height_above_menu = Pixels::ZERO;
4476 let height_below_menu = Pixels::ZERO;
4477 let mut edit_prediction_popover_visible = false;
4478 let mut context_menu_visible = false;
4479 let context_menu_placement;
4480
4481 {
4482 let editor = self.editor.read(cx);
4483 if editor.edit_prediction_visible_in_cursor_popover(editor.has_active_edit_prediction())
4484 {
4485 height_above_menu +=
4486 editor.edit_prediction_cursor_popover_height() + POPOVER_Y_PADDING;
4487 edit_prediction_popover_visible = true;
4488 }
4489
4490 if editor.context_menu_visible()
4491 && let Some(crate::ContextMenuOrigin::Cursor) = editor.context_menu_origin()
4492 {
4493 let (min_height_in_lines, max_height_in_lines) = editor
4494 .context_menu_options
4495 .as_ref()
4496 .map_or((3, 12), |options| {
4497 (options.min_entries_visible, options.max_entries_visible)
4498 });
4499
4500 min_menu_height += line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4501 max_menu_height += line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4502 context_menu_visible = true;
4503 }
4504 context_menu_placement = editor
4505 .context_menu_options
4506 .as_ref()
4507 .and_then(|options| options.placement.clone());
4508 }
4509
4510 let visible = edit_prediction_popover_visible || context_menu_visible;
4511 if !visible {
4512 return None;
4513 }
4514
4515 let cursor_row_layout = &line_layouts[cursor.row().minus(start_row) as usize];
4516 let target_position = content_origin
4517 + gpui::Point {
4518 x: cmp::max(
4519 px(0.),
4520 Pixels::from(
4521 ScrollPixelOffset::from(
4522 cursor_row_layout.x_for_index(cursor.column() as usize),
4523 ) - scroll_pixel_position.x,
4524 ),
4525 ),
4526 y: cmp::max(
4527 px(0.),
4528 Pixels::from(
4529 cursor.row().next_row().as_f64() * ScrollPixelOffset::from(line_height)
4530 - scroll_pixel_position.y,
4531 ),
4532 ),
4533 };
4534
4535 let viewport_bounds =
4536 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4537 right: -right_margin - MENU_GAP,
4538 ..Default::default()
4539 });
4540
4541 let min_height = height_above_menu + min_menu_height + height_below_menu;
4542 let max_height = height_above_menu + max_menu_height + height_below_menu;
4543 let (laid_out_popovers, y_flipped) = self.layout_popovers_above_or_below_line(
4544 target_position,
4545 line_height,
4546 min_height,
4547 max_height,
4548 context_menu_placement,
4549 text_hitbox,
4550 viewport_bounds,
4551 window,
4552 cx,
4553 |height, max_width_for_stable_x, y_flipped, window, cx| {
4554 // First layout the menu to get its size - others can be at least this wide.
4555 let context_menu = if context_menu_visible {
4556 let menu_height = if y_flipped {
4557 height - height_below_menu
4558 } else {
4559 height - height_above_menu
4560 };
4561 let mut element = self
4562 .render_context_menu(line_height, menu_height, window, cx)
4563 .expect("Visible context menu should always render.");
4564 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4565 Some((CursorPopoverType::CodeContextMenu, element, size))
4566 } else {
4567 None
4568 };
4569 let min_width = context_menu
4570 .as_ref()
4571 .map_or(px(0.), |(_, _, size)| size.width);
4572 let max_width = max_width_for_stable_x.max(
4573 context_menu
4574 .as_ref()
4575 .map_or(px(0.), |(_, _, size)| size.width),
4576 );
4577
4578 let edit_prediction = if edit_prediction_popover_visible {
4579 self.editor.update(cx, move |editor, cx| {
4580 let accept_binding =
4581 editor.accept_edit_prediction_keybind(false, window, cx);
4582 let mut element = editor.render_edit_prediction_cursor_popover(
4583 min_width,
4584 max_width,
4585 cursor_point,
4586 style,
4587 accept_binding.keystroke(),
4588 window,
4589 cx,
4590 )?;
4591 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4592 Some((CursorPopoverType::EditPrediction, element, size))
4593 })
4594 } else {
4595 None
4596 };
4597 vec![edit_prediction, context_menu]
4598 .into_iter()
4599 .flatten()
4600 .collect::<Vec<_>>()
4601 },
4602 )?;
4603
4604 let (menu_ix, (_, menu_bounds)) = laid_out_popovers
4605 .iter()
4606 .find_position(|(x, _)| matches!(x, CursorPopoverType::CodeContextMenu))?;
4607 let last_ix = laid_out_popovers.len() - 1;
4608 let menu_is_last = menu_ix == last_ix;
4609 let first_popover_bounds = laid_out_popovers[0].1;
4610 let last_popover_bounds = laid_out_popovers[last_ix].1;
4611
4612 // Bounds to layout the aside around. When y_flipped, the aside goes either above or to the
4613 // right, and otherwise it goes below or to the right.
4614 let mut target_bounds = Bounds::from_corners(
4615 first_popover_bounds.origin,
4616 last_popover_bounds.bottom_right(),
4617 );
4618 target_bounds.size.width = menu_bounds.size.width;
4619
4620 // Like `target_bounds`, but with the max height it could occupy. Choosing an aside position
4621 // based on this is preferred for layout stability.
4622 let mut max_target_bounds = target_bounds;
4623 max_target_bounds.size.height = max_height;
4624 if y_flipped {
4625 max_target_bounds.origin.y -= max_height - target_bounds.size.height;
4626 }
4627
4628 // Add spacing around `target_bounds` and `max_target_bounds`.
4629 let mut extend_amount = Edges::all(MENU_GAP);
4630 if y_flipped {
4631 extend_amount.bottom = line_height;
4632 } else {
4633 extend_amount.top = line_height;
4634 }
4635 let target_bounds = target_bounds.extend(extend_amount);
4636 let max_target_bounds = max_target_bounds.extend(extend_amount);
4637
4638 let must_place_above_or_below =
4639 if y_flipped && !menu_is_last && menu_bounds.size.height < max_menu_height {
4640 laid_out_popovers[menu_ix + 1..]
4641 .iter()
4642 .any(|(_, popover_bounds)| popover_bounds.size.width > menu_bounds.size.width)
4643 } else {
4644 false
4645 };
4646
4647 let aside_bounds = self.layout_context_menu_aside(
4648 y_flipped,
4649 *menu_bounds,
4650 target_bounds,
4651 max_target_bounds,
4652 max_menu_height,
4653 must_place_above_or_below,
4654 text_hitbox,
4655 viewport_bounds,
4656 window,
4657 cx,
4658 );
4659
4660 if let Some(menu_bounds) = laid_out_popovers.iter().find_map(|(popover_type, bounds)| {
4661 if matches!(popover_type, CursorPopoverType::CodeContextMenu) {
4662 Some(*bounds)
4663 } else {
4664 None
4665 }
4666 }) {
4667 let bounds = if let Some(aside_bounds) = aside_bounds {
4668 menu_bounds.union(&aside_bounds)
4669 } else {
4670 menu_bounds
4671 };
4672 return Some(ContextMenuLayout { y_flipped, bounds });
4673 }
4674
4675 None
4676 }
4677
4678 fn layout_gutter_menu(
4679 &self,
4680 line_height: Pixels,
4681 text_hitbox: &Hitbox,
4682 content_origin: gpui::Point<Pixels>,
4683 right_margin: Pixels,
4684 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4685 gutter_overshoot: Pixels,
4686 window: &mut Window,
4687 cx: &mut App,
4688 ) {
4689 let editor = self.editor.read(cx);
4690 if !editor.context_menu_visible() {
4691 return;
4692 }
4693 let Some(crate::ContextMenuOrigin::GutterIndicator(gutter_row)) =
4694 editor.context_menu_origin()
4695 else {
4696 return;
4697 };
4698 // Context menu was spawned via a click on a gutter. Ensure it's a bit closer to the
4699 // indicator than just a plain first column of the text field.
4700 let target_position = content_origin
4701 + gpui::Point {
4702 x: -gutter_overshoot,
4703 y: Pixels::from(
4704 gutter_row.next_row().as_f64() * ScrollPixelOffset::from(line_height)
4705 - scroll_pixel_position.y,
4706 ),
4707 };
4708
4709 let (min_height_in_lines, max_height_in_lines) = editor
4710 .context_menu_options
4711 .as_ref()
4712 .map_or((3, 12), |options| {
4713 (options.min_entries_visible, options.max_entries_visible)
4714 });
4715
4716 let min_height = line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4717 let max_height = line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4718 let viewport_bounds =
4719 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4720 right: -right_margin - MENU_GAP,
4721 ..Default::default()
4722 });
4723 self.layout_popovers_above_or_below_line(
4724 target_position,
4725 line_height,
4726 min_height,
4727 max_height,
4728 editor
4729 .context_menu_options
4730 .as_ref()
4731 .and_then(|options| options.placement.clone()),
4732 text_hitbox,
4733 viewport_bounds,
4734 window,
4735 cx,
4736 move |height, _max_width_for_stable_x, _, window, cx| {
4737 let mut element = self
4738 .render_context_menu(line_height, height, window, cx)
4739 .expect("Visible context menu should always render.");
4740 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4741 vec![(CursorPopoverType::CodeContextMenu, element, size)]
4742 },
4743 );
4744 }
4745
4746 fn layout_popovers_above_or_below_line(
4747 &self,
4748 target_position: gpui::Point<Pixels>,
4749 line_height: Pixels,
4750 min_height: Pixels,
4751 max_height: Pixels,
4752 placement: Option<ContextMenuPlacement>,
4753 text_hitbox: &Hitbox,
4754 viewport_bounds: Bounds<Pixels>,
4755 window: &mut Window,
4756 cx: &mut App,
4757 make_sized_popovers: impl FnOnce(
4758 Pixels,
4759 Pixels,
4760 bool,
4761 &mut Window,
4762 &mut App,
4763 ) -> Vec<(CursorPopoverType, AnyElement, Size<Pixels>)>,
4764 ) -> Option<(Vec<(CursorPopoverType, Bounds<Pixels>)>, bool)> {
4765 let text_style = TextStyleRefinement {
4766 line_height: Some(DefiniteLength::Fraction(
4767 BufferLineHeight::Comfortable.value(),
4768 )),
4769 ..Default::default()
4770 };
4771 window.with_text_style(Some(text_style), |window| {
4772 // If the max height won't fit below and there is more space above, put it above the line.
4773 let bottom_y_when_flipped = target_position.y - line_height;
4774 let available_above = bottom_y_when_flipped - text_hitbox.top();
4775 let available_below = text_hitbox.bottom() - target_position.y;
4776 let y_overflows_below = max_height > available_below;
4777 let mut y_flipped = match placement {
4778 Some(ContextMenuPlacement::Above) => true,
4779 Some(ContextMenuPlacement::Below) => false,
4780 None => y_overflows_below && available_above > available_below,
4781 };
4782 let mut height = cmp::min(
4783 max_height,
4784 if y_flipped {
4785 available_above
4786 } else {
4787 available_below
4788 },
4789 );
4790
4791 // If the min height doesn't fit within text bounds, instead fit within the window.
4792 if height < min_height {
4793 let available_above = bottom_y_when_flipped;
4794 let available_below = viewport_bounds.bottom() - target_position.y;
4795 let (y_flipped_override, height_override) = match placement {
4796 Some(ContextMenuPlacement::Above) => {
4797 (true, cmp::min(available_above, min_height))
4798 }
4799 Some(ContextMenuPlacement::Below) => {
4800 (false, cmp::min(available_below, min_height))
4801 }
4802 None => {
4803 if available_below > min_height {
4804 (false, min_height)
4805 } else if available_above > min_height {
4806 (true, min_height)
4807 } else if available_above > available_below {
4808 (true, available_above)
4809 } else {
4810 (false, available_below)
4811 }
4812 }
4813 };
4814 y_flipped = y_flipped_override;
4815 height = height_override;
4816 }
4817
4818 let max_width_for_stable_x = viewport_bounds.right() - target_position.x;
4819
4820 // TODO: Use viewport_bounds.width as a max width so that it doesn't get clipped on the left
4821 // for very narrow windows.
4822 let popovers =
4823 make_sized_popovers(height, max_width_for_stable_x, y_flipped, window, cx);
4824 if popovers.is_empty() {
4825 return None;
4826 }
4827
4828 let max_width = popovers
4829 .iter()
4830 .map(|(_, _, size)| size.width)
4831 .max()
4832 .unwrap_or_default();
4833
4834 let mut current_position = gpui::Point {
4835 // Snap the right edge of the list to the right edge of the window if its horizontal bounds
4836 // overflow. Include space for the scrollbar.
4837 x: target_position
4838 .x
4839 .min((viewport_bounds.right() - max_width).max(Pixels::ZERO)),
4840 y: if y_flipped {
4841 bottom_y_when_flipped
4842 } else {
4843 target_position.y
4844 },
4845 };
4846
4847 let mut laid_out_popovers = popovers
4848 .into_iter()
4849 .map(|(popover_type, element, size)| {
4850 if y_flipped {
4851 current_position.y -= size.height;
4852 }
4853 let position = current_position;
4854 window.defer_draw(element, current_position, 1);
4855 if !y_flipped {
4856 current_position.y += size.height + MENU_GAP;
4857 } else {
4858 current_position.y -= MENU_GAP;
4859 }
4860 (popover_type, Bounds::new(position, size))
4861 })
4862 .collect::<Vec<_>>();
4863
4864 if y_flipped {
4865 laid_out_popovers.reverse();
4866 }
4867
4868 Some((laid_out_popovers, y_flipped))
4869 })
4870 }
4871
4872 fn layout_context_menu_aside(
4873 &self,
4874 y_flipped: bool,
4875 menu_bounds: Bounds<Pixels>,
4876 target_bounds: Bounds<Pixels>,
4877 max_target_bounds: Bounds<Pixels>,
4878 max_height: Pixels,
4879 must_place_above_or_below: bool,
4880 text_hitbox: &Hitbox,
4881 viewport_bounds: Bounds<Pixels>,
4882 window: &mut Window,
4883 cx: &mut App,
4884 ) -> Option<Bounds<Pixels>> {
4885 let available_within_viewport = target_bounds.space_within(&viewport_bounds);
4886 let positioned_aside = if available_within_viewport.right >= MENU_ASIDE_MIN_WIDTH
4887 && !must_place_above_or_below
4888 {
4889 let max_width = cmp::min(
4890 available_within_viewport.right - px(1.),
4891 MENU_ASIDE_MAX_WIDTH,
4892 );
4893 let mut aside = self.render_context_menu_aside(
4894 size(max_width, max_height - POPOVER_Y_PADDING),
4895 window,
4896 cx,
4897 )?;
4898 let size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4899 let right_position = point(target_bounds.right(), menu_bounds.origin.y);
4900 Some((aside, right_position, size))
4901 } else {
4902 let max_size = size(
4903 // TODO(mgsloan): Once the menu is bounded by viewport width the bound on viewport
4904 // won't be needed here.
4905 cmp::min(
4906 cmp::max(menu_bounds.size.width - px(2.), MENU_ASIDE_MIN_WIDTH),
4907 viewport_bounds.right(),
4908 ),
4909 cmp::min(
4910 max_height,
4911 cmp::max(
4912 available_within_viewport.top,
4913 available_within_viewport.bottom,
4914 ),
4915 ) - POPOVER_Y_PADDING,
4916 );
4917 let mut aside = self.render_context_menu_aside(max_size, window, cx)?;
4918 let actual_size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4919
4920 let top_position = point(
4921 menu_bounds.origin.x,
4922 target_bounds.top() - actual_size.height,
4923 );
4924 let bottom_position = point(menu_bounds.origin.x, target_bounds.bottom());
4925
4926 let fit_within = |available: Edges<Pixels>, wanted: Size<Pixels>| {
4927 // Prefer to fit on the same side of the line as the menu, then on the other side of
4928 // the line.
4929 if !y_flipped && wanted.height < available.bottom {
4930 Some(bottom_position)
4931 } else if !y_flipped && wanted.height < available.top {
4932 Some(top_position)
4933 } else if y_flipped && wanted.height < available.top {
4934 Some(top_position)
4935 } else if y_flipped && wanted.height < available.bottom {
4936 Some(bottom_position)
4937 } else {
4938 None
4939 }
4940 };
4941
4942 // Prefer choosing a direction using max sizes rather than actual size for stability.
4943 let available_within_text = max_target_bounds.space_within(&text_hitbox.bounds);
4944 let wanted = size(MENU_ASIDE_MAX_WIDTH, max_height);
4945 let aside_position = fit_within(available_within_text, wanted)
4946 // Fallback: fit max size in window.
4947 .or_else(|| fit_within(max_target_bounds.space_within(&viewport_bounds), wanted))
4948 // Fallback: fit actual size in window.
4949 .or_else(|| fit_within(available_within_viewport, actual_size));
4950
4951 aside_position.map(|position| (aside, position, actual_size))
4952 };
4953
4954 // Skip drawing if it doesn't fit anywhere.
4955 if let Some((aside, position, size)) = positioned_aside {
4956 let aside_bounds = Bounds::new(position, size);
4957 window.defer_draw(aside, position, 2);
4958 return Some(aside_bounds);
4959 }
4960
4961 None
4962 }
4963
4964 fn render_context_menu(
4965 &self,
4966 line_height: Pixels,
4967 height: Pixels,
4968 window: &mut Window,
4969 cx: &mut App,
4970 ) -> Option<AnyElement> {
4971 let max_height_in_lines = ((height - POPOVER_Y_PADDING) / line_height).floor() as u32;
4972 self.editor.update(cx, |editor, cx| {
4973 editor.render_context_menu(&self.style, max_height_in_lines, window, cx)
4974 })
4975 }
4976
4977 fn render_context_menu_aside(
4978 &self,
4979 max_size: Size<Pixels>,
4980 window: &mut Window,
4981 cx: &mut App,
4982 ) -> Option<AnyElement> {
4983 if max_size.width < px(100.) || max_size.height < px(12.) {
4984 None
4985 } else {
4986 self.editor.update(cx, |editor, cx| {
4987 editor.render_context_menu_aside(max_size, window, cx)
4988 })
4989 }
4990 }
4991
4992 fn layout_mouse_context_menu(
4993 &self,
4994 editor_snapshot: &EditorSnapshot,
4995 visible_range: Range<DisplayRow>,
4996 content_origin: gpui::Point<Pixels>,
4997 window: &mut Window,
4998 cx: &mut App,
4999 ) -> Option<AnyElement> {
5000 let position = self.editor.update(cx, |editor, _cx| {
5001 let visible_start_point = editor.display_to_pixel_point(
5002 DisplayPoint::new(visible_range.start, 0),
5003 editor_snapshot,
5004 window,
5005 )?;
5006 let visible_end_point = editor.display_to_pixel_point(
5007 DisplayPoint::new(visible_range.end, 0),
5008 editor_snapshot,
5009 window,
5010 )?;
5011
5012 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
5013 let (source_display_point, position) = match mouse_context_menu.position {
5014 MenuPosition::PinnedToScreen(point) => (None, point),
5015 MenuPosition::PinnedToEditor { source, offset } => {
5016 let source_display_point = source.to_display_point(editor_snapshot);
5017 let source_point = editor.to_pixel_point(source, editor_snapshot, window)?;
5018 let position = content_origin + source_point + offset;
5019 (Some(source_display_point), position)
5020 }
5021 };
5022
5023 let source_included = source_display_point.is_none_or(|source_display_point| {
5024 visible_range
5025 .to_inclusive()
5026 .contains(&source_display_point.row())
5027 });
5028 let position_included =
5029 visible_start_point.y <= position.y && position.y <= visible_end_point.y;
5030 if !source_included && !position_included {
5031 None
5032 } else {
5033 Some(position)
5034 }
5035 })?;
5036
5037 let text_style = TextStyleRefinement {
5038 line_height: Some(DefiniteLength::Fraction(
5039 BufferLineHeight::Comfortable.value(),
5040 )),
5041 ..Default::default()
5042 };
5043 window.with_text_style(Some(text_style), |window| {
5044 let mut element = self.editor.read_with(cx, |editor, _| {
5045 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
5046 let context_menu = mouse_context_menu.context_menu.clone();
5047
5048 Some(
5049 deferred(
5050 anchored()
5051 .position(position)
5052 .child(context_menu)
5053 .anchor(Corner::TopLeft)
5054 .snap_to_window_with_margin(px(8.)),
5055 )
5056 .with_priority(1)
5057 .into_any(),
5058 )
5059 })?;
5060
5061 element.prepaint_as_root(position, AvailableSpace::min_size(), window, cx);
5062 Some(element)
5063 })
5064 }
5065
5066 fn layout_hover_popovers(
5067 &self,
5068 snapshot: &EditorSnapshot,
5069 hitbox: &Hitbox,
5070 visible_display_row_range: Range<DisplayRow>,
5071 content_origin: gpui::Point<Pixels>,
5072 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5073 line_layouts: &[LineWithInvisibles],
5074 line_height: Pixels,
5075 em_width: Pixels,
5076 context_menu_layout: Option<ContextMenuLayout>,
5077 window: &mut Window,
5078 cx: &mut App,
5079 ) {
5080 struct MeasuredHoverPopover {
5081 element: AnyElement,
5082 size: Size<Pixels>,
5083 horizontal_offset: Pixels,
5084 }
5085
5086 let max_size = size(
5087 (120. * em_width) // Default size
5088 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5089 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5090 (16. * line_height) // Default size
5091 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5092 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5093 );
5094
5095 let hover_popovers = self.editor.update(cx, |editor, cx| {
5096 editor.hover_state.render(
5097 snapshot,
5098 visible_display_row_range.clone(),
5099 max_size,
5100 window,
5101 cx,
5102 )
5103 });
5104 let Some((position, hover_popovers)) = hover_popovers else {
5105 return;
5106 };
5107
5108 // This is safe because we check on layout whether the required row is available
5109 let hovered_row_layout =
5110 &line_layouts[position.row().minus(visible_display_row_range.start) as usize];
5111
5112 // Compute Hovered Point
5113 let x = hovered_row_layout.x_for_index(position.column() as usize)
5114 - Pixels::from(scroll_pixel_position.x);
5115 let y = Pixels::from(
5116 position.row().as_f64() * ScrollPixelOffset::from(line_height)
5117 - scroll_pixel_position.y,
5118 );
5119 let hovered_point = content_origin + point(x, y);
5120
5121 let mut overall_height = Pixels::ZERO;
5122 let mut measured_hover_popovers = Vec::new();
5123 for (position, mut hover_popover) in hover_popovers.into_iter().with_position() {
5124 let size = hover_popover.layout_as_root(AvailableSpace::min_size(), window, cx);
5125 let horizontal_offset =
5126 (hitbox.top_right().x - POPOVER_RIGHT_OFFSET - (hovered_point.x + size.width))
5127 .min(Pixels::ZERO);
5128 match position {
5129 itertools::Position::Middle | itertools::Position::Last => {
5130 overall_height += HOVER_POPOVER_GAP
5131 }
5132 _ => {}
5133 }
5134 overall_height += size.height;
5135 measured_hover_popovers.push(MeasuredHoverPopover {
5136 element: hover_popover,
5137 size,
5138 horizontal_offset,
5139 });
5140 }
5141
5142 fn draw_occluder(
5143 width: Pixels,
5144 origin: gpui::Point<Pixels>,
5145 window: &mut Window,
5146 cx: &mut App,
5147 ) {
5148 let mut occlusion = div()
5149 .size_full()
5150 .occlude()
5151 .on_mouse_move(|_, _, cx| cx.stop_propagation())
5152 .into_any_element();
5153 occlusion.layout_as_root(size(width, HOVER_POPOVER_GAP).into(), window, cx);
5154 window.defer_draw(occlusion, origin, 2);
5155 }
5156
5157 fn place_popovers_above(
5158 hovered_point: gpui::Point<Pixels>,
5159 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5160 window: &mut Window,
5161 cx: &mut App,
5162 ) {
5163 let mut current_y = hovered_point.y;
5164 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5165 let size = popover.size;
5166 let popover_origin = point(
5167 hovered_point.x + popover.horizontal_offset,
5168 current_y - size.height,
5169 );
5170
5171 window.defer_draw(popover.element, popover_origin, 2);
5172 if position != itertools::Position::Last {
5173 let origin = point(popover_origin.x, popover_origin.y - HOVER_POPOVER_GAP);
5174 draw_occluder(size.width, origin, window, cx);
5175 }
5176
5177 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5178 }
5179 }
5180
5181 fn place_popovers_below(
5182 hovered_point: gpui::Point<Pixels>,
5183 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5184 line_height: Pixels,
5185 window: &mut Window,
5186 cx: &mut App,
5187 ) {
5188 let mut current_y = hovered_point.y + line_height;
5189 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5190 let size = popover.size;
5191 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5192
5193 window.defer_draw(popover.element, popover_origin, 2);
5194 if position != itertools::Position::Last {
5195 let origin = point(popover_origin.x, popover_origin.y + size.height);
5196 draw_occluder(size.width, origin, window, cx);
5197 }
5198
5199 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5200 }
5201 }
5202
5203 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5204 context_menu_layout
5205 .as_ref()
5206 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5207 };
5208
5209 let can_place_above = {
5210 let mut bounds_above = Vec::new();
5211 let mut current_y = hovered_point.y;
5212 for popover in &measured_hover_popovers {
5213 let size = popover.size;
5214 let popover_origin = point(
5215 hovered_point.x + popover.horizontal_offset,
5216 current_y - size.height,
5217 );
5218 bounds_above.push(Bounds::new(popover_origin, size));
5219 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5220 }
5221 bounds_above
5222 .iter()
5223 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5224 };
5225
5226 let can_place_below = || {
5227 let mut bounds_below = Vec::new();
5228 let mut current_y = hovered_point.y + line_height;
5229 for popover in &measured_hover_popovers {
5230 let size = popover.size;
5231 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5232 bounds_below.push(Bounds::new(popover_origin, size));
5233 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5234 }
5235 bounds_below
5236 .iter()
5237 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5238 };
5239
5240 if can_place_above {
5241 // try placing above hovered point
5242 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5243 } else if can_place_below() {
5244 // try placing below hovered point
5245 place_popovers_below(
5246 hovered_point,
5247 measured_hover_popovers,
5248 line_height,
5249 window,
5250 cx,
5251 );
5252 } else {
5253 // try to place popovers around the context menu
5254 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5255 let total_width = measured_hover_popovers
5256 .iter()
5257 .map(|p| p.size.width)
5258 .max()
5259 .unwrap_or(Pixels::ZERO);
5260 let y_for_horizontal_positioning = if menu.y_flipped {
5261 menu.bounds.bottom() - overall_height
5262 } else {
5263 menu.bounds.top()
5264 };
5265 let possible_origins = vec![
5266 // left of context menu
5267 point(
5268 menu.bounds.left() - total_width - HOVER_POPOVER_GAP,
5269 y_for_horizontal_positioning,
5270 ),
5271 // right of context menu
5272 point(
5273 menu.bounds.right() + HOVER_POPOVER_GAP,
5274 y_for_horizontal_positioning,
5275 ),
5276 // top of context menu
5277 point(
5278 menu.bounds.left(),
5279 menu.bounds.top() - overall_height - HOVER_POPOVER_GAP,
5280 ),
5281 // bottom of context menu
5282 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5283 ];
5284 possible_origins.into_iter().find(|&origin| {
5285 Bounds::new(origin, size(total_width, overall_height))
5286 .is_contained_within(hitbox)
5287 })
5288 });
5289 if let Some(origin) = origin_surrounding_menu {
5290 let mut current_y = origin.y;
5291 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5292 let size = popover.size;
5293 let popover_origin = point(origin.x, current_y);
5294
5295 window.defer_draw(popover.element, popover_origin, 2);
5296 if position != itertools::Position::Last {
5297 let origin = point(popover_origin.x, popover_origin.y + size.height);
5298 draw_occluder(size.width, origin, window, cx);
5299 }
5300
5301 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5302 }
5303 } else {
5304 // fallback to existing above/below cursor logic
5305 // this might overlap menu or overflow in rare case
5306 if can_place_above {
5307 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5308 } else {
5309 place_popovers_below(
5310 hovered_point,
5311 measured_hover_popovers,
5312 line_height,
5313 window,
5314 cx,
5315 );
5316 }
5317 }
5318 }
5319 }
5320
5321 fn layout_diff_hunk_controls(
5322 &self,
5323 row_range: Range<DisplayRow>,
5324 row_infos: &[RowInfo],
5325 text_hitbox: &Hitbox,
5326 newest_cursor_position: Option<DisplayPoint>,
5327 line_height: Pixels,
5328 right_margin: Pixels,
5329 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5330 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
5331 highlighted_rows: &BTreeMap<DisplayRow, LineHighlight>,
5332 editor: Entity<Editor>,
5333 window: &mut Window,
5334 cx: &mut App,
5335 ) -> (Vec<AnyElement>, Vec<(DisplayRow, Bounds<Pixels>)>) {
5336 let render_diff_hunk_controls = editor.read(cx).render_diff_hunk_controls.clone();
5337 let hovered_diff_hunk_row = editor.read(cx).hovered_diff_hunk_row;
5338
5339 let mut controls = vec![];
5340 let mut control_bounds = vec![];
5341
5342 let active_positions = [
5343 hovered_diff_hunk_row.map(|row| DisplayPoint::new(row, 0)),
5344 newest_cursor_position,
5345 ];
5346
5347 for (hunk, _) in display_hunks {
5348 if let DisplayDiffHunk::Unfolded {
5349 display_row_range,
5350 multi_buffer_range,
5351 status,
5352 is_created_file,
5353 ..
5354 } = &hunk
5355 {
5356 if display_row_range.start < row_range.start
5357 || display_row_range.start >= row_range.end
5358 {
5359 continue;
5360 }
5361 if highlighted_rows
5362 .get(&display_row_range.start)
5363 .and_then(|highlight| highlight.type_id)
5364 .is_some_and(|type_id| {
5365 [
5366 TypeId::of::<ConflictsOuter>(),
5367 TypeId::of::<ConflictsOursMarker>(),
5368 TypeId::of::<ConflictsOurs>(),
5369 TypeId::of::<ConflictsTheirs>(),
5370 TypeId::of::<ConflictsTheirsMarker>(),
5371 ]
5372 .contains(&type_id)
5373 })
5374 {
5375 continue;
5376 }
5377 let row_ix = (display_row_range.start - row_range.start).0 as usize;
5378 if row_infos[row_ix].diff_status.is_none() {
5379 continue;
5380 }
5381 if row_infos[row_ix]
5382 .diff_status
5383 .is_some_and(|status| status.is_added())
5384 && !status.is_added()
5385 {
5386 continue;
5387 }
5388
5389 if active_positions
5390 .iter()
5391 .any(|p| p.is_some_and(|p| display_row_range.contains(&p.row())))
5392 {
5393 let y = (display_row_range.start.as_f64()
5394 * ScrollPixelOffset::from(line_height)
5395 + ScrollPixelOffset::from(text_hitbox.bounds.top())
5396 - scroll_pixel_position.y)
5397 .into();
5398
5399 let mut element = render_diff_hunk_controls(
5400 display_row_range.start.0,
5401 status,
5402 multi_buffer_range.clone(),
5403 *is_created_file,
5404 line_height,
5405 &editor,
5406 window,
5407 cx,
5408 );
5409 let size =
5410 element.layout_as_root(size(px(100.0), line_height).into(), window, cx);
5411
5412 let x = text_hitbox.bounds.right() - right_margin - px(10.) - size.width;
5413
5414 let bounds = Bounds::new(gpui::Point::new(x, y), size);
5415 control_bounds.push((display_row_range.start, bounds));
5416
5417 window.with_absolute_element_offset(gpui::Point::new(x, y), |window| {
5418 element.prepaint(window, cx)
5419 });
5420 controls.push(element);
5421 }
5422 }
5423 }
5424
5425 (controls, control_bounds)
5426 }
5427
5428 fn layout_signature_help(
5429 &self,
5430 hitbox: &Hitbox,
5431 content_origin: gpui::Point<Pixels>,
5432 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5433 newest_selection_head: Option<DisplayPoint>,
5434 start_row: DisplayRow,
5435 line_layouts: &[LineWithInvisibles],
5436 line_height: Pixels,
5437 em_width: Pixels,
5438 context_menu_layout: Option<ContextMenuLayout>,
5439 window: &mut Window,
5440 cx: &mut App,
5441 ) {
5442 if !self.editor.focus_handle(cx).is_focused(window) {
5443 return;
5444 }
5445 let Some(newest_selection_head) = newest_selection_head else {
5446 return;
5447 };
5448
5449 let max_size = size(
5450 (120. * em_width) // Default size
5451 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5452 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5453 (16. * line_height) // Default size
5454 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5455 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5456 );
5457
5458 let maybe_element = self.editor.update(cx, |editor, cx| {
5459 if let Some(popover) = editor.signature_help_state.popover_mut() {
5460 let element = popover.render(max_size, window, cx);
5461 Some(element)
5462 } else {
5463 None
5464 }
5465 });
5466 let Some(mut element) = maybe_element else {
5467 return;
5468 };
5469
5470 let selection_row = newest_selection_head.row();
5471 let Some(cursor_row_layout) = (selection_row >= start_row)
5472 .then(|| line_layouts.get(selection_row.minus(start_row) as usize))
5473 .flatten()
5474 else {
5475 return;
5476 };
5477
5478 let target_x = cursor_row_layout.x_for_index(newest_selection_head.column() as usize)
5479 - Pixels::from(scroll_pixel_position.x);
5480 let target_y = Pixels::from(
5481 selection_row.as_f64() * ScrollPixelOffset::from(line_height) - scroll_pixel_position.y,
5482 );
5483 let target_point = content_origin + point(target_x, target_y);
5484
5485 let actual_size = element.layout_as_root(Size::<AvailableSpace>::default(), window, cx);
5486
5487 let (popover_bounds_above, popover_bounds_below) = {
5488 let horizontal_offset = (hitbox.top_right().x
5489 - POPOVER_RIGHT_OFFSET
5490 - (target_point.x + actual_size.width))
5491 .min(Pixels::ZERO);
5492 let initial_x = target_point.x + horizontal_offset;
5493 (
5494 Bounds::new(
5495 point(initial_x, target_point.y - actual_size.height),
5496 actual_size,
5497 ),
5498 Bounds::new(
5499 point(initial_x, target_point.y + line_height + HOVER_POPOVER_GAP),
5500 actual_size,
5501 ),
5502 )
5503 };
5504
5505 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5506 context_menu_layout
5507 .as_ref()
5508 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5509 };
5510
5511 let final_origin = if popover_bounds_above.is_contained_within(hitbox)
5512 && !intersects_menu(popover_bounds_above)
5513 {
5514 // try placing above cursor
5515 popover_bounds_above.origin
5516 } else if popover_bounds_below.is_contained_within(hitbox)
5517 && !intersects_menu(popover_bounds_below)
5518 {
5519 // try placing below cursor
5520 popover_bounds_below.origin
5521 } else {
5522 // try surrounding context menu if exists
5523 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5524 let y_for_horizontal_positioning = if menu.y_flipped {
5525 menu.bounds.bottom() - actual_size.height
5526 } else {
5527 menu.bounds.top()
5528 };
5529 let possible_origins = vec![
5530 // left of context menu
5531 point(
5532 menu.bounds.left() - actual_size.width - HOVER_POPOVER_GAP,
5533 y_for_horizontal_positioning,
5534 ),
5535 // right of context menu
5536 point(
5537 menu.bounds.right() + HOVER_POPOVER_GAP,
5538 y_for_horizontal_positioning,
5539 ),
5540 // top of context menu
5541 point(
5542 menu.bounds.left(),
5543 menu.bounds.top() - actual_size.height - HOVER_POPOVER_GAP,
5544 ),
5545 // bottom of context menu
5546 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5547 ];
5548 possible_origins
5549 .into_iter()
5550 .find(|&origin| Bounds::new(origin, actual_size).is_contained_within(hitbox))
5551 });
5552 origin_surrounding_menu.unwrap_or_else(|| {
5553 // fallback to existing above/below cursor logic
5554 // this might overlap menu or overflow in rare case
5555 if popover_bounds_above.is_contained_within(hitbox) {
5556 popover_bounds_above.origin
5557 } else {
5558 popover_bounds_below.origin
5559 }
5560 })
5561 };
5562
5563 window.defer_draw(element, final_origin, 2);
5564 }
5565
5566 fn paint_background(&self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
5567 window.paint_layer(layout.hitbox.bounds, |window| {
5568 let scroll_top = layout.position_map.snapshot.scroll_position().y;
5569 let gutter_bg = cx.theme().colors().editor_gutter_background;
5570 window.paint_quad(fill(layout.gutter_hitbox.bounds, gutter_bg));
5571 window.paint_quad(fill(
5572 layout.position_map.text_hitbox.bounds,
5573 self.style.background,
5574 ));
5575
5576 if matches!(
5577 layout.mode,
5578 EditorMode::Full { .. } | EditorMode::Minimap { .. }
5579 ) {
5580 let show_active_line_background = match layout.mode {
5581 EditorMode::Full {
5582 show_active_line_background,
5583 ..
5584 } => show_active_line_background,
5585 EditorMode::Minimap { .. } => true,
5586 _ => false,
5587 };
5588 let mut active_rows = layout.active_rows.iter().peekable();
5589 while let Some((start_row, contains_non_empty_selection)) = active_rows.next() {
5590 let mut end_row = start_row.0;
5591 while active_rows
5592 .peek()
5593 .is_some_and(|(active_row, has_selection)| {
5594 active_row.0 == end_row + 1
5595 && has_selection.selection == contains_non_empty_selection.selection
5596 })
5597 {
5598 active_rows.next().unwrap();
5599 end_row += 1;
5600 }
5601
5602 if show_active_line_background && !contains_non_empty_selection.selection {
5603 let highlight_h_range =
5604 match layout.position_map.snapshot.current_line_highlight {
5605 CurrentLineHighlight::Gutter => Some(Range {
5606 start: layout.hitbox.left(),
5607 end: layout.gutter_hitbox.right(),
5608 }),
5609 CurrentLineHighlight::Line => Some(Range {
5610 start: layout.position_map.text_hitbox.bounds.left(),
5611 end: layout.position_map.text_hitbox.bounds.right(),
5612 }),
5613 CurrentLineHighlight::All => Some(Range {
5614 start: layout.hitbox.left(),
5615 end: layout.hitbox.right(),
5616 }),
5617 CurrentLineHighlight::None => None,
5618 };
5619 if let Some(range) = highlight_h_range {
5620 let active_line_bg = cx.theme().colors().editor_active_line_background;
5621 let bounds = Bounds {
5622 origin: point(
5623 range.start,
5624 layout.hitbox.origin.y
5625 + Pixels::from(
5626 (start_row.as_f64() - scroll_top)
5627 * ScrollPixelOffset::from(
5628 layout.position_map.line_height,
5629 ),
5630 ),
5631 ),
5632 size: size(
5633 range.end - range.start,
5634 layout.position_map.line_height
5635 * (end_row - start_row.0 + 1) as f32,
5636 ),
5637 };
5638 window.paint_quad(fill(bounds, active_line_bg));
5639 }
5640 }
5641 }
5642
5643 let mut paint_highlight = |highlight_row_start: DisplayRow,
5644 highlight_row_end: DisplayRow,
5645 highlight: crate::LineHighlight,
5646 edges| {
5647 let mut origin_x = layout.hitbox.left();
5648 let mut width = layout.hitbox.size.width;
5649 if !highlight.include_gutter {
5650 origin_x += layout.gutter_hitbox.size.width;
5651 width -= layout.gutter_hitbox.size.width;
5652 }
5653
5654 let origin = point(
5655 origin_x,
5656 layout.hitbox.origin.y
5657 + Pixels::from(
5658 (highlight_row_start.as_f64() - scroll_top)
5659 * ScrollPixelOffset::from(layout.position_map.line_height),
5660 ),
5661 );
5662 let size = size(
5663 width,
5664 layout.position_map.line_height
5665 * highlight_row_end.next_row().minus(highlight_row_start) as f32,
5666 );
5667 let mut quad = fill(Bounds { origin, size }, highlight.background);
5668 if let Some(border_color) = highlight.border {
5669 quad.border_color = border_color;
5670 quad.border_widths = edges
5671 }
5672 window.paint_quad(quad);
5673 };
5674
5675 let mut current_paint: Option<(LineHighlight, Range<DisplayRow>, Edges<Pixels>)> =
5676 None;
5677 for (&new_row, &new_background) in &layout.highlighted_rows {
5678 match &mut current_paint {
5679 &mut Some((current_background, ref mut current_range, mut edges)) => {
5680 let new_range_started = current_background != new_background
5681 || current_range.end.next_row() != new_row;
5682 if new_range_started {
5683 if current_range.end.next_row() == new_row {
5684 edges.bottom = px(0.);
5685 };
5686 paint_highlight(
5687 current_range.start,
5688 current_range.end,
5689 current_background,
5690 edges,
5691 );
5692 let edges = Edges {
5693 top: if current_range.end.next_row() != new_row {
5694 px(1.)
5695 } else {
5696 px(0.)
5697 },
5698 bottom: px(1.),
5699 ..Default::default()
5700 };
5701 current_paint = Some((new_background, new_row..new_row, edges));
5702 continue;
5703 } else {
5704 current_range.end = current_range.end.next_row();
5705 }
5706 }
5707 None => {
5708 let edges = Edges {
5709 top: px(1.),
5710 bottom: px(1.),
5711 ..Default::default()
5712 };
5713 current_paint = Some((new_background, new_row..new_row, edges))
5714 }
5715 };
5716 }
5717 if let Some((color, range, edges)) = current_paint {
5718 paint_highlight(range.start, range.end, color, edges);
5719 }
5720
5721 for (guide_x, active) in layout.wrap_guides.iter() {
5722 let color = if *active {
5723 cx.theme().colors().editor_active_wrap_guide
5724 } else {
5725 cx.theme().colors().editor_wrap_guide
5726 };
5727 window.paint_quad(fill(
5728 Bounds {
5729 origin: point(*guide_x, layout.position_map.text_hitbox.origin.y),
5730 size: size(px(1.), layout.position_map.text_hitbox.size.height),
5731 },
5732 color,
5733 ));
5734 }
5735 }
5736 })
5737 }
5738
5739 fn paint_indent_guides(
5740 &mut self,
5741 layout: &mut EditorLayout,
5742 window: &mut Window,
5743 cx: &mut App,
5744 ) {
5745 let Some(indent_guides) = &layout.indent_guides else {
5746 return;
5747 };
5748
5749 let faded_color = |color: Hsla, alpha: f32| {
5750 let mut faded = color;
5751 faded.a = alpha;
5752 faded
5753 };
5754
5755 for indent_guide in indent_guides {
5756 let indent_accent_colors = cx.theme().accents().color_for_index(indent_guide.depth);
5757 let settings = &indent_guide.settings;
5758
5759 // TODO fixed for now, expose them through themes later
5760 const INDENT_AWARE_ALPHA: f32 = 0.2;
5761 const INDENT_AWARE_ACTIVE_ALPHA: f32 = 0.4;
5762 const INDENT_AWARE_BACKGROUND_ALPHA: f32 = 0.1;
5763 const INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA: f32 = 0.2;
5764
5765 let line_color = match (settings.coloring, indent_guide.active) {
5766 (IndentGuideColoring::Disabled, _) => None,
5767 (IndentGuideColoring::Fixed, false) => {
5768 Some(cx.theme().colors().editor_indent_guide)
5769 }
5770 (IndentGuideColoring::Fixed, true) => {
5771 Some(cx.theme().colors().editor_indent_guide_active)
5772 }
5773 (IndentGuideColoring::IndentAware, false) => {
5774 Some(faded_color(indent_accent_colors, INDENT_AWARE_ALPHA))
5775 }
5776 (IndentGuideColoring::IndentAware, true) => {
5777 Some(faded_color(indent_accent_colors, INDENT_AWARE_ACTIVE_ALPHA))
5778 }
5779 };
5780
5781 let background_color = match (settings.background_coloring, indent_guide.active) {
5782 (IndentGuideBackgroundColoring::Disabled, _) => None,
5783 (IndentGuideBackgroundColoring::IndentAware, false) => Some(faded_color(
5784 indent_accent_colors,
5785 INDENT_AWARE_BACKGROUND_ALPHA,
5786 )),
5787 (IndentGuideBackgroundColoring::IndentAware, true) => Some(faded_color(
5788 indent_accent_colors,
5789 INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA,
5790 )),
5791 };
5792
5793 let requested_line_width = if indent_guide.active {
5794 settings.active_line_width
5795 } else {
5796 settings.line_width
5797 }
5798 .clamp(1, 10);
5799 let mut line_indicator_width = 0.;
5800 if let Some(color) = line_color {
5801 window.paint_quad(fill(
5802 Bounds {
5803 origin: indent_guide.origin,
5804 size: size(px(requested_line_width as f32), indent_guide.length),
5805 },
5806 color,
5807 ));
5808 line_indicator_width = requested_line_width as f32;
5809 }
5810
5811 if let Some(color) = background_color {
5812 let width = indent_guide.single_indent_width - px(line_indicator_width);
5813 window.paint_quad(fill(
5814 Bounds {
5815 origin: point(
5816 indent_guide.origin.x + px(line_indicator_width),
5817 indent_guide.origin.y,
5818 ),
5819 size: size(width, indent_guide.length),
5820 },
5821 color,
5822 ));
5823 }
5824 }
5825 }
5826
5827 fn paint_line_numbers(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5828 let is_singleton = self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
5829
5830 let line_height = layout.position_map.line_height;
5831 window.set_cursor_style(CursorStyle::Arrow, &layout.gutter_hitbox);
5832
5833 for LineNumberLayout {
5834 shaped_line,
5835 hitbox,
5836 } in layout.line_numbers.values()
5837 {
5838 let Some(hitbox) = hitbox else {
5839 continue;
5840 };
5841
5842 let Some(()) = (if !is_singleton && hitbox.is_hovered(window) {
5843 let color = cx.theme().colors().editor_hover_line_number;
5844
5845 let line = self.shape_line_number(shaped_line.text.clone(), color, window);
5846 line.paint(hitbox.origin, line_height, window, cx).log_err()
5847 } else {
5848 shaped_line
5849 .paint(hitbox.origin, line_height, window, cx)
5850 .log_err()
5851 }) else {
5852 continue;
5853 };
5854
5855 // In singleton buffers, we select corresponding lines on the line number click, so use | -like cursor.
5856 // In multi buffers, we open file at the line number clicked, so use a pointing hand cursor.
5857 if is_singleton {
5858 window.set_cursor_style(CursorStyle::IBeam, hitbox);
5859 } else {
5860 window.set_cursor_style(CursorStyle::PointingHand, hitbox);
5861 }
5862 }
5863 }
5864
5865 fn paint_gutter_diff_hunks(layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5866 if layout.display_hunks.is_empty() {
5867 return;
5868 }
5869
5870 let line_height = layout.position_map.line_height;
5871 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5872 for (hunk, hitbox) in &layout.display_hunks {
5873 let hunk_to_paint = match hunk {
5874 DisplayDiffHunk::Folded { .. } => {
5875 let hunk_bounds = Self::diff_hunk_bounds(
5876 &layout.position_map.snapshot,
5877 line_height,
5878 layout.gutter_hitbox.bounds,
5879 hunk,
5880 );
5881 Some((
5882 hunk_bounds,
5883 cx.theme().colors().version_control_modified,
5884 Corners::all(px(0.)),
5885 DiffHunkStatus::modified_none(),
5886 ))
5887 }
5888 DisplayDiffHunk::Unfolded {
5889 status,
5890 display_row_range,
5891 ..
5892 } => hitbox.as_ref().map(|hunk_hitbox| match status.kind {
5893 DiffHunkStatusKind::Added => (
5894 hunk_hitbox.bounds,
5895 cx.theme().colors().version_control_added,
5896 Corners::all(px(0.)),
5897 *status,
5898 ),
5899 DiffHunkStatusKind::Modified => (
5900 hunk_hitbox.bounds,
5901 cx.theme().colors().version_control_modified,
5902 Corners::all(px(0.)),
5903 *status,
5904 ),
5905 DiffHunkStatusKind::Deleted if !display_row_range.is_empty() => (
5906 hunk_hitbox.bounds,
5907 cx.theme().colors().version_control_deleted,
5908 Corners::all(px(0.)),
5909 *status,
5910 ),
5911 DiffHunkStatusKind::Deleted => (
5912 Bounds::new(
5913 point(
5914 hunk_hitbox.origin.x - hunk_hitbox.size.width,
5915 hunk_hitbox.origin.y,
5916 ),
5917 size(hunk_hitbox.size.width * 2., hunk_hitbox.size.height),
5918 ),
5919 cx.theme().colors().version_control_deleted,
5920 Corners::all(1. * line_height),
5921 *status,
5922 ),
5923 }),
5924 };
5925
5926 if let Some((hunk_bounds, background_color, corner_radii, status)) = hunk_to_paint {
5927 // Flatten the background color with the editor color to prevent
5928 // elements below transparent hunks from showing through
5929 let flattened_background_color = cx
5930 .theme()
5931 .colors()
5932 .editor_background
5933 .blend(background_color);
5934
5935 if !Self::diff_hunk_hollow(status, cx) {
5936 window.paint_quad(quad(
5937 hunk_bounds,
5938 corner_radii,
5939 flattened_background_color,
5940 Edges::default(),
5941 transparent_black(),
5942 BorderStyle::default(),
5943 ));
5944 } else {
5945 let flattened_unstaged_background_color = cx
5946 .theme()
5947 .colors()
5948 .editor_background
5949 .blend(background_color.opacity(0.3));
5950
5951 window.paint_quad(quad(
5952 hunk_bounds,
5953 corner_radii,
5954 flattened_unstaged_background_color,
5955 Edges::all(px(1.0)),
5956 flattened_background_color,
5957 BorderStyle::Solid,
5958 ));
5959 }
5960 }
5961 }
5962 });
5963 }
5964
5965 fn gutter_strip_width(line_height: Pixels) -> Pixels {
5966 (0.275 * line_height).floor()
5967 }
5968
5969 fn diff_hunk_bounds(
5970 snapshot: &EditorSnapshot,
5971 line_height: Pixels,
5972 gutter_bounds: Bounds<Pixels>,
5973 hunk: &DisplayDiffHunk,
5974 ) -> Bounds<Pixels> {
5975 let scroll_position = snapshot.scroll_position();
5976 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
5977 let gutter_strip_width = Self::gutter_strip_width(line_height);
5978
5979 match hunk {
5980 DisplayDiffHunk::Folded { display_row, .. } => {
5981 let start_y = (display_row.as_f64() * ScrollPixelOffset::from(line_height)
5982 - scroll_top)
5983 .into();
5984 let end_y = start_y + line_height;
5985 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
5986 let highlight_size = size(gutter_strip_width, end_y - start_y);
5987 Bounds::new(highlight_origin, highlight_size)
5988 }
5989 DisplayDiffHunk::Unfolded {
5990 display_row_range,
5991 status,
5992 ..
5993 } => {
5994 if status.is_deleted() && display_row_range.is_empty() {
5995 let row = display_row_range.start;
5996
5997 let offset = ScrollPixelOffset::from(line_height / 2.);
5998 let start_y =
5999 (row.as_f64() * ScrollPixelOffset::from(line_height) - offset - scroll_top)
6000 .into();
6001 let end_y = start_y + line_height;
6002
6003 let width = (0.35 * line_height).floor();
6004 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6005 let highlight_size = size(width, end_y - start_y);
6006 Bounds::new(highlight_origin, highlight_size)
6007 } else {
6008 let start_row = display_row_range.start;
6009 let end_row = display_row_range.end;
6010 // If we're in a multibuffer, row range span might include an
6011 // excerpt header, so if we were to draw the marker straight away,
6012 // the hunk might include the rows of that header.
6013 // Making the range inclusive doesn't quite cut it, as we rely on the exclusivity for the soft wrap.
6014 // Instead, we simply check whether the range we're dealing with includes
6015 // any excerpt headers and if so, we stop painting the diff hunk on the first row of that header.
6016 let end_row_in_current_excerpt = snapshot
6017 .blocks_in_range(start_row..end_row)
6018 .find_map(|(start_row, block)| {
6019 if matches!(
6020 block,
6021 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
6022 ) {
6023 Some(start_row)
6024 } else {
6025 None
6026 }
6027 })
6028 .unwrap_or(end_row);
6029
6030 let start_y = (start_row.as_f64() * ScrollPixelOffset::from(line_height)
6031 - scroll_top)
6032 .into();
6033 let end_y = Pixels::from(
6034 end_row_in_current_excerpt.as_f64() * ScrollPixelOffset::from(line_height)
6035 - scroll_top,
6036 );
6037
6038 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6039 let highlight_size = size(gutter_strip_width, end_y - start_y);
6040 Bounds::new(highlight_origin, highlight_size)
6041 }
6042 }
6043 }
6044 }
6045
6046 fn paint_gutter_indicators(
6047 &self,
6048 layout: &mut EditorLayout,
6049 window: &mut Window,
6050 cx: &mut App,
6051 ) {
6052 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6053 window.with_element_namespace("crease_toggles", |window| {
6054 for crease_toggle in layout.crease_toggles.iter_mut().flatten() {
6055 crease_toggle.paint(window, cx);
6056 }
6057 });
6058
6059 window.with_element_namespace("expand_toggles", |window| {
6060 for (expand_toggle, _) in layout.expand_toggles.iter_mut().flatten() {
6061 expand_toggle.paint(window, cx);
6062 }
6063 });
6064
6065 for breakpoint in layout.breakpoints.iter_mut() {
6066 breakpoint.paint(window, cx);
6067 }
6068
6069 for test_indicator in layout.test_indicators.iter_mut() {
6070 test_indicator.paint(window, cx);
6071 }
6072 });
6073 }
6074
6075 fn paint_gutter_highlights(
6076 &self,
6077 layout: &mut EditorLayout,
6078 window: &mut Window,
6079 cx: &mut App,
6080 ) {
6081 for (_, hunk_hitbox) in &layout.display_hunks {
6082 if let Some(hunk_hitbox) = hunk_hitbox
6083 && !self
6084 .editor
6085 .read(cx)
6086 .buffer()
6087 .read(cx)
6088 .all_diff_hunks_expanded()
6089 {
6090 window.set_cursor_style(CursorStyle::PointingHand, hunk_hitbox);
6091 }
6092 }
6093
6094 let show_git_gutter = layout
6095 .position_map
6096 .snapshot
6097 .show_git_diff_gutter
6098 .unwrap_or_else(|| {
6099 matches!(
6100 ProjectSettings::get_global(cx).git.git_gutter,
6101 GitGutterSetting::TrackedFiles
6102 )
6103 });
6104 if show_git_gutter {
6105 Self::paint_gutter_diff_hunks(layout, window, cx)
6106 }
6107
6108 let highlight_width = 0.275 * layout.position_map.line_height;
6109 let highlight_corner_radii = Corners::all(0.05 * layout.position_map.line_height);
6110 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6111 for (range, color) in &layout.highlighted_gutter_ranges {
6112 let start_row = if range.start.row() < layout.visible_display_row_range.start {
6113 layout.visible_display_row_range.start - DisplayRow(1)
6114 } else {
6115 range.start.row()
6116 };
6117 let end_row = if range.end.row() > layout.visible_display_row_range.end {
6118 layout.visible_display_row_range.end + DisplayRow(1)
6119 } else {
6120 range.end.row()
6121 };
6122
6123 let start_y = layout.gutter_hitbox.top()
6124 + Pixels::from(
6125 start_row.0 as f64
6126 * ScrollPixelOffset::from(layout.position_map.line_height)
6127 - layout.position_map.scroll_pixel_position.y,
6128 );
6129 let end_y = layout.gutter_hitbox.top()
6130 + Pixels::from(
6131 (end_row.0 + 1) as f64
6132 * ScrollPixelOffset::from(layout.position_map.line_height)
6133 - layout.position_map.scroll_pixel_position.y,
6134 );
6135 let bounds = Bounds::from_corners(
6136 point(layout.gutter_hitbox.left(), start_y),
6137 point(layout.gutter_hitbox.left() + highlight_width, end_y),
6138 );
6139 window.paint_quad(fill(bounds, *color).corner_radii(highlight_corner_radii));
6140 }
6141 });
6142 }
6143
6144 fn paint_blamed_display_rows(
6145 &self,
6146 layout: &mut EditorLayout,
6147 window: &mut Window,
6148 cx: &mut App,
6149 ) {
6150 let Some(blamed_display_rows) = layout.blamed_display_rows.take() else {
6151 return;
6152 };
6153
6154 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6155 for mut blame_element in blamed_display_rows.into_iter() {
6156 blame_element.paint(window, cx);
6157 }
6158 })
6159 }
6160
6161 fn paint_text(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6162 window.with_content_mask(
6163 Some(ContentMask {
6164 bounds: layout.position_map.text_hitbox.bounds,
6165 }),
6166 |window| {
6167 let editor = self.editor.read(cx);
6168 if editor.mouse_cursor_hidden {
6169 window.set_window_cursor_style(CursorStyle::None);
6170 } else if let SelectionDragState::ReadyToDrag {
6171 mouse_down_time, ..
6172 } = &editor.selection_drag_state
6173 {
6174 let drag_and_drop_delay = Duration::from_millis(
6175 EditorSettings::get_global(cx).drag_and_drop_selection.delay,
6176 );
6177 if mouse_down_time.elapsed() >= drag_and_drop_delay {
6178 window.set_cursor_style(
6179 CursorStyle::DragCopy,
6180 &layout.position_map.text_hitbox,
6181 );
6182 }
6183 } else if matches!(
6184 editor.selection_drag_state,
6185 SelectionDragState::Dragging { .. }
6186 ) {
6187 window
6188 .set_cursor_style(CursorStyle::DragCopy, &layout.position_map.text_hitbox);
6189 } else if editor
6190 .hovered_link_state
6191 .as_ref()
6192 .is_some_and(|hovered_link_state| !hovered_link_state.links.is_empty())
6193 {
6194 window.set_cursor_style(
6195 CursorStyle::PointingHand,
6196 &layout.position_map.text_hitbox,
6197 );
6198 } else {
6199 window.set_cursor_style(CursorStyle::IBeam, &layout.position_map.text_hitbox);
6200 };
6201
6202 self.paint_lines_background(layout, window, cx);
6203 let invisible_display_ranges = self.paint_highlights(layout, window, cx);
6204 self.paint_document_colors(layout, window);
6205 self.paint_lines(&invisible_display_ranges, layout, window, cx);
6206 self.paint_redactions(layout, window);
6207 self.paint_cursors(layout, window, cx);
6208 self.paint_inline_diagnostics(layout, window, cx);
6209 self.paint_inline_blame(layout, window, cx);
6210 self.paint_inline_code_actions(layout, window, cx);
6211 self.paint_diff_hunk_controls(layout, window, cx);
6212 window.with_element_namespace("crease_trailers", |window| {
6213 for trailer in layout.crease_trailers.iter_mut().flatten() {
6214 trailer.element.paint(window, cx);
6215 }
6216 });
6217 },
6218 )
6219 }
6220
6221 fn paint_highlights(
6222 &mut self,
6223 layout: &mut EditorLayout,
6224 window: &mut Window,
6225 cx: &mut App,
6226 ) -> SmallVec<[Range<DisplayPoint>; 32]> {
6227 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6228 let mut invisible_display_ranges = SmallVec::<[Range<DisplayPoint>; 32]>::new();
6229 let line_end_overshoot = 0.15 * layout.position_map.line_height;
6230 for (range, color) in &layout.highlighted_ranges {
6231 self.paint_highlighted_range(
6232 range.clone(),
6233 true,
6234 *color,
6235 Pixels::ZERO,
6236 line_end_overshoot,
6237 layout,
6238 window,
6239 );
6240 }
6241
6242 let corner_radius = if EditorSettings::get_global(cx).rounded_selection {
6243 0.15 * layout.position_map.line_height
6244 } else {
6245 Pixels::ZERO
6246 };
6247
6248 for (player_color, selections) in &layout.selections {
6249 for selection in selections.iter() {
6250 self.paint_highlighted_range(
6251 selection.range.clone(),
6252 true,
6253 player_color.selection,
6254 corner_radius,
6255 corner_radius * 2.,
6256 layout,
6257 window,
6258 );
6259
6260 if selection.is_local && !selection.range.is_empty() {
6261 invisible_display_ranges.push(selection.range.clone());
6262 }
6263 }
6264 }
6265 invisible_display_ranges
6266 })
6267 }
6268
6269 fn paint_lines(
6270 &mut self,
6271 invisible_display_ranges: &[Range<DisplayPoint>],
6272 layout: &mut EditorLayout,
6273 window: &mut Window,
6274 cx: &mut App,
6275 ) {
6276 let whitespace_setting = self
6277 .editor
6278 .read(cx)
6279 .buffer
6280 .read(cx)
6281 .language_settings(cx)
6282 .show_whitespaces;
6283
6284 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6285 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6286 line_with_invisibles.draw(
6287 layout,
6288 row,
6289 layout.content_origin,
6290 whitespace_setting,
6291 invisible_display_ranges,
6292 window,
6293 cx,
6294 )
6295 }
6296
6297 for line_element in &mut layout.line_elements {
6298 line_element.paint(window, cx);
6299 }
6300 }
6301
6302 fn paint_lines_background(
6303 &mut self,
6304 layout: &mut EditorLayout,
6305 window: &mut Window,
6306 cx: &mut App,
6307 ) {
6308 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6309 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6310 line_with_invisibles.draw_background(layout, row, layout.content_origin, window, cx);
6311 }
6312 }
6313
6314 fn paint_redactions(&mut self, layout: &EditorLayout, window: &mut Window) {
6315 if layout.redacted_ranges.is_empty() {
6316 return;
6317 }
6318
6319 let line_end_overshoot = layout.line_end_overshoot();
6320
6321 // A softer than perfect black
6322 let redaction_color = gpui::rgb(0x0e1111);
6323
6324 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6325 for range in layout.redacted_ranges.iter() {
6326 self.paint_highlighted_range(
6327 range.clone(),
6328 true,
6329 redaction_color.into(),
6330 Pixels::ZERO,
6331 line_end_overshoot,
6332 layout,
6333 window,
6334 );
6335 }
6336 });
6337 }
6338
6339 fn paint_document_colors(&self, layout: &mut EditorLayout, window: &mut Window) {
6340 let Some((colors_render_mode, image_colors)) = &layout.document_colors else {
6341 return;
6342 };
6343 if image_colors.is_empty()
6344 || colors_render_mode == &DocumentColorsRenderMode::None
6345 || colors_render_mode == &DocumentColorsRenderMode::Inlay
6346 {
6347 return;
6348 }
6349
6350 let line_end_overshoot = layout.line_end_overshoot();
6351
6352 for (range, color) in image_colors {
6353 match colors_render_mode {
6354 DocumentColorsRenderMode::Inlay | DocumentColorsRenderMode::None => return,
6355 DocumentColorsRenderMode::Background => {
6356 self.paint_highlighted_range(
6357 range.clone(),
6358 true,
6359 *color,
6360 Pixels::ZERO,
6361 line_end_overshoot,
6362 layout,
6363 window,
6364 );
6365 }
6366 DocumentColorsRenderMode::Border => {
6367 self.paint_highlighted_range(
6368 range.clone(),
6369 false,
6370 *color,
6371 Pixels::ZERO,
6372 line_end_overshoot,
6373 layout,
6374 window,
6375 );
6376 }
6377 }
6378 }
6379 }
6380
6381 fn paint_cursors(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6382 for cursor in &mut layout.visible_cursors {
6383 cursor.paint(layout.content_origin, window, cx);
6384 }
6385 }
6386
6387 fn paint_scrollbars(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6388 let Some(scrollbars_layout) = layout.scrollbars_layout.take() else {
6389 return;
6390 };
6391 let any_scrollbar_dragged = self.editor.read(cx).scroll_manager.any_scrollbar_dragged();
6392
6393 for (scrollbar_layout, axis) in scrollbars_layout.iter_scrollbars() {
6394 let hitbox = &scrollbar_layout.hitbox;
6395 if scrollbars_layout.visible {
6396 let scrollbar_edges = match axis {
6397 ScrollbarAxis::Horizontal => Edges {
6398 top: Pixels::ZERO,
6399 right: Pixels::ZERO,
6400 bottom: Pixels::ZERO,
6401 left: Pixels::ZERO,
6402 },
6403 ScrollbarAxis::Vertical => Edges {
6404 top: Pixels::ZERO,
6405 right: Pixels::ZERO,
6406 bottom: Pixels::ZERO,
6407 left: ScrollbarLayout::BORDER_WIDTH,
6408 },
6409 };
6410
6411 window.paint_layer(hitbox.bounds, |window| {
6412 window.paint_quad(quad(
6413 hitbox.bounds,
6414 Corners::default(),
6415 cx.theme().colors().scrollbar_track_background,
6416 scrollbar_edges,
6417 cx.theme().colors().scrollbar_track_border,
6418 BorderStyle::Solid,
6419 ));
6420
6421 if axis == ScrollbarAxis::Vertical {
6422 let fast_markers =
6423 self.collect_fast_scrollbar_markers(layout, scrollbar_layout, cx);
6424 // Refresh slow scrollbar markers in the background. Below, we
6425 // paint whatever markers have already been computed.
6426 self.refresh_slow_scrollbar_markers(layout, scrollbar_layout, window, cx);
6427
6428 let markers = self.editor.read(cx).scrollbar_marker_state.markers.clone();
6429 for marker in markers.iter().chain(&fast_markers) {
6430 let mut marker = marker.clone();
6431 marker.bounds.origin += hitbox.origin;
6432 window.paint_quad(marker);
6433 }
6434 }
6435
6436 if let Some(thumb_bounds) = scrollbar_layout.thumb_bounds {
6437 let scrollbar_thumb_color = match scrollbar_layout.thumb_state {
6438 ScrollbarThumbState::Dragging => {
6439 cx.theme().colors().scrollbar_thumb_active_background
6440 }
6441 ScrollbarThumbState::Hovered => {
6442 cx.theme().colors().scrollbar_thumb_hover_background
6443 }
6444 ScrollbarThumbState::Idle => {
6445 cx.theme().colors().scrollbar_thumb_background
6446 }
6447 };
6448 window.paint_quad(quad(
6449 thumb_bounds,
6450 Corners::default(),
6451 scrollbar_thumb_color,
6452 scrollbar_edges,
6453 cx.theme().colors().scrollbar_thumb_border,
6454 BorderStyle::Solid,
6455 ));
6456
6457 if any_scrollbar_dragged {
6458 window.set_window_cursor_style(CursorStyle::Arrow);
6459 } else {
6460 window.set_cursor_style(CursorStyle::Arrow, hitbox);
6461 }
6462 }
6463 })
6464 }
6465 }
6466
6467 window.on_mouse_event({
6468 let editor = self.editor.clone();
6469 let scrollbars_layout = scrollbars_layout.clone();
6470
6471 let mut mouse_position = window.mouse_position();
6472 move |event: &MouseMoveEvent, phase, window, cx| {
6473 if phase == DispatchPhase::Capture {
6474 return;
6475 }
6476
6477 editor.update(cx, |editor, cx| {
6478 if let Some((scrollbar_layout, axis)) = event
6479 .pressed_button
6480 .filter(|button| *button == MouseButton::Left)
6481 .and(editor.scroll_manager.dragging_scrollbar_axis())
6482 .and_then(|axis| {
6483 scrollbars_layout
6484 .iter_scrollbars()
6485 .find(|(_, a)| *a == axis)
6486 })
6487 {
6488 let ScrollbarLayout {
6489 hitbox,
6490 text_unit_size,
6491 ..
6492 } = scrollbar_layout;
6493
6494 let old_position = mouse_position.along(axis);
6495 let new_position = event.position.along(axis);
6496 if (hitbox.origin.along(axis)..hitbox.bottom_right().along(axis))
6497 .contains(&old_position)
6498 {
6499 let position = editor.scroll_position(cx).apply_along(axis, |p| {
6500 (p + ScrollOffset::from(
6501 (new_position - old_position) / *text_unit_size,
6502 ))
6503 .max(0.)
6504 });
6505 editor.set_scroll_position(position, window, cx);
6506 }
6507
6508 editor.scroll_manager.show_scrollbars(window, cx);
6509 cx.stop_propagation();
6510 } else if let Some((layout, axis)) = scrollbars_layout
6511 .get_hovered_axis(window)
6512 .filter(|_| !event.dragging())
6513 {
6514 if layout.thumb_hovered(&event.position) {
6515 editor
6516 .scroll_manager
6517 .set_hovered_scroll_thumb_axis(axis, cx);
6518 } else {
6519 editor.scroll_manager.reset_scrollbar_state(cx);
6520 }
6521
6522 editor.scroll_manager.show_scrollbars(window, cx);
6523 } else {
6524 editor.scroll_manager.reset_scrollbar_state(cx);
6525 }
6526
6527 mouse_position = event.position;
6528 })
6529 }
6530 });
6531
6532 if any_scrollbar_dragged {
6533 window.on_mouse_event({
6534 let editor = self.editor.clone();
6535 move |_: &MouseUpEvent, phase, window, cx| {
6536 if phase == DispatchPhase::Capture {
6537 return;
6538 }
6539
6540 editor.update(cx, |editor, cx| {
6541 if let Some((_, axis)) = scrollbars_layout.get_hovered_axis(window) {
6542 editor
6543 .scroll_manager
6544 .set_hovered_scroll_thumb_axis(axis, cx);
6545 } else {
6546 editor.scroll_manager.reset_scrollbar_state(cx);
6547 }
6548 cx.stop_propagation();
6549 });
6550 }
6551 });
6552 } else {
6553 window.on_mouse_event({
6554 let editor = self.editor.clone();
6555
6556 move |event: &MouseDownEvent, phase, window, cx| {
6557 if phase == DispatchPhase::Capture {
6558 return;
6559 }
6560 let Some((scrollbar_layout, axis)) = scrollbars_layout.get_hovered_axis(window)
6561 else {
6562 return;
6563 };
6564
6565 let ScrollbarLayout {
6566 hitbox,
6567 visible_range,
6568 text_unit_size,
6569 thumb_bounds,
6570 ..
6571 } = scrollbar_layout;
6572
6573 let Some(thumb_bounds) = thumb_bounds else {
6574 return;
6575 };
6576
6577 editor.update(cx, |editor, cx| {
6578 editor
6579 .scroll_manager
6580 .set_dragged_scroll_thumb_axis(axis, cx);
6581
6582 let event_position = event.position.along(axis);
6583
6584 if event_position < thumb_bounds.origin.along(axis)
6585 || thumb_bounds.bottom_right().along(axis) < event_position
6586 {
6587 let center_position = ((event_position - hitbox.origin.along(axis))
6588 / *text_unit_size)
6589 .round() as u32;
6590 let start_position = center_position.saturating_sub(
6591 (visible_range.end - visible_range.start) as u32 / 2,
6592 );
6593
6594 let position = editor
6595 .scroll_position(cx)
6596 .apply_along(axis, |_| start_position as ScrollOffset);
6597
6598 editor.set_scroll_position(position, window, cx);
6599 } else {
6600 editor.scroll_manager.show_scrollbars(window, cx);
6601 }
6602
6603 cx.stop_propagation();
6604 });
6605 }
6606 });
6607 }
6608 }
6609
6610 fn collect_fast_scrollbar_markers(
6611 &self,
6612 layout: &EditorLayout,
6613 scrollbar_layout: &ScrollbarLayout,
6614 cx: &mut App,
6615 ) -> Vec<PaintQuad> {
6616 const LIMIT: usize = 100;
6617 if !EditorSettings::get_global(cx).scrollbar.cursors || layout.cursors.len() > LIMIT {
6618 return vec![];
6619 }
6620 let cursor_ranges = layout
6621 .cursors
6622 .iter()
6623 .map(|(point, color)| ColoredRange {
6624 start: point.row(),
6625 end: point.row(),
6626 color: *color,
6627 })
6628 .collect_vec();
6629 scrollbar_layout.marker_quads_for_ranges(cursor_ranges, None)
6630 }
6631
6632 fn refresh_slow_scrollbar_markers(
6633 &self,
6634 layout: &EditorLayout,
6635 scrollbar_layout: &ScrollbarLayout,
6636 window: &mut Window,
6637 cx: &mut App,
6638 ) {
6639 self.editor.update(cx, |editor, cx| {
6640 if editor.buffer_kind(cx) != ItemBufferKind::Singleton
6641 || !editor
6642 .scrollbar_marker_state
6643 .should_refresh(scrollbar_layout.hitbox.size)
6644 {
6645 return;
6646 }
6647
6648 let scrollbar_layout = scrollbar_layout.clone();
6649 let background_highlights = editor.background_highlights.clone();
6650 let snapshot = layout.position_map.snapshot.clone();
6651 let theme = cx.theme().clone();
6652 let scrollbar_settings = EditorSettings::get_global(cx).scrollbar;
6653
6654 editor.scrollbar_marker_state.dirty = false;
6655 editor.scrollbar_marker_state.pending_refresh =
6656 Some(cx.spawn_in(window, async move |editor, cx| {
6657 let scrollbar_size = scrollbar_layout.hitbox.size;
6658 let scrollbar_markers = cx
6659 .background_spawn(async move {
6660 let max_point = snapshot.display_snapshot.buffer_snapshot().max_point();
6661 let mut marker_quads = Vec::new();
6662 if scrollbar_settings.git_diff {
6663 let marker_row_ranges =
6664 snapshot.buffer_snapshot().diff_hunks().map(|hunk| {
6665 let start_display_row =
6666 MultiBufferPoint::new(hunk.row_range.start.0, 0)
6667 .to_display_point(&snapshot.display_snapshot)
6668 .row();
6669 let mut end_display_row =
6670 MultiBufferPoint::new(hunk.row_range.end.0, 0)
6671 .to_display_point(&snapshot.display_snapshot)
6672 .row();
6673 if end_display_row != start_display_row {
6674 end_display_row.0 -= 1;
6675 }
6676 let color = match &hunk.status().kind {
6677 DiffHunkStatusKind::Added => {
6678 theme.colors().version_control_added
6679 }
6680 DiffHunkStatusKind::Modified => {
6681 theme.colors().version_control_modified
6682 }
6683 DiffHunkStatusKind::Deleted => {
6684 theme.colors().version_control_deleted
6685 }
6686 };
6687 ColoredRange {
6688 start: start_display_row,
6689 end: end_display_row,
6690 color,
6691 }
6692 });
6693
6694 marker_quads.extend(
6695 scrollbar_layout
6696 .marker_quads_for_ranges(marker_row_ranges, Some(0)),
6697 );
6698 }
6699
6700 for (background_highlight_id, (_, background_ranges)) in
6701 background_highlights.iter()
6702 {
6703 let is_search_highlights = *background_highlight_id
6704 == HighlightKey::Type(TypeId::of::<BufferSearchHighlights>());
6705 let is_text_highlights = *background_highlight_id
6706 == HighlightKey::Type(TypeId::of::<SelectedTextHighlight>());
6707 let is_symbol_occurrences = *background_highlight_id
6708 == HighlightKey::Type(TypeId::of::<DocumentHighlightRead>())
6709 || *background_highlight_id
6710 == HighlightKey::Type(
6711 TypeId::of::<DocumentHighlightWrite>(),
6712 );
6713 if (is_search_highlights && scrollbar_settings.search_results)
6714 || (is_text_highlights && scrollbar_settings.selected_text)
6715 || (is_symbol_occurrences && scrollbar_settings.selected_symbol)
6716 {
6717 let mut color = theme.status().info;
6718 if is_symbol_occurrences {
6719 color.fade_out(0.5);
6720 }
6721 let marker_row_ranges = background_ranges.iter().map(|range| {
6722 let display_start = range
6723 .start
6724 .to_display_point(&snapshot.display_snapshot);
6725 let display_end =
6726 range.end.to_display_point(&snapshot.display_snapshot);
6727 ColoredRange {
6728 start: display_start.row(),
6729 end: display_end.row(),
6730 color,
6731 }
6732 });
6733 marker_quads.extend(
6734 scrollbar_layout
6735 .marker_quads_for_ranges(marker_row_ranges, Some(1)),
6736 );
6737 }
6738 }
6739
6740 if scrollbar_settings.diagnostics != ScrollbarDiagnostics::None {
6741 let diagnostics = snapshot
6742 .buffer_snapshot()
6743 .diagnostics_in_range::<Point>(Point::zero()..max_point)
6744 // Don't show diagnostics the user doesn't care about
6745 .filter(|diagnostic| {
6746 match (
6747 scrollbar_settings.diagnostics,
6748 diagnostic.diagnostic.severity,
6749 ) {
6750 (ScrollbarDiagnostics::All, _) => true,
6751 (
6752 ScrollbarDiagnostics::Error,
6753 lsp::DiagnosticSeverity::ERROR,
6754 ) => true,
6755 (
6756 ScrollbarDiagnostics::Warning,
6757 lsp::DiagnosticSeverity::ERROR
6758 | lsp::DiagnosticSeverity::WARNING,
6759 ) => true,
6760 (
6761 ScrollbarDiagnostics::Information,
6762 lsp::DiagnosticSeverity::ERROR
6763 | lsp::DiagnosticSeverity::WARNING
6764 | lsp::DiagnosticSeverity::INFORMATION,
6765 ) => true,
6766 (_, _) => false,
6767 }
6768 })
6769 // We want to sort by severity, in order to paint the most severe diagnostics last.
6770 .sorted_by_key(|diagnostic| {
6771 std::cmp::Reverse(diagnostic.diagnostic.severity)
6772 });
6773
6774 let marker_row_ranges = diagnostics.into_iter().map(|diagnostic| {
6775 let start_display = diagnostic
6776 .range
6777 .start
6778 .to_display_point(&snapshot.display_snapshot);
6779 let end_display = diagnostic
6780 .range
6781 .end
6782 .to_display_point(&snapshot.display_snapshot);
6783 let color = match diagnostic.diagnostic.severity {
6784 lsp::DiagnosticSeverity::ERROR => theme.status().error,
6785 lsp::DiagnosticSeverity::WARNING => theme.status().warning,
6786 lsp::DiagnosticSeverity::INFORMATION => theme.status().info,
6787 _ => theme.status().hint,
6788 };
6789 ColoredRange {
6790 start: start_display.row(),
6791 end: end_display.row(),
6792 color,
6793 }
6794 });
6795 marker_quads.extend(
6796 scrollbar_layout
6797 .marker_quads_for_ranges(marker_row_ranges, Some(2)),
6798 );
6799 }
6800
6801 Arc::from(marker_quads)
6802 })
6803 .await;
6804
6805 editor.update(cx, |editor, cx| {
6806 editor.scrollbar_marker_state.markers = scrollbar_markers;
6807 editor.scrollbar_marker_state.scrollbar_size = scrollbar_size;
6808 editor.scrollbar_marker_state.pending_refresh = None;
6809 cx.notify();
6810 })?;
6811
6812 Ok(())
6813 }));
6814 });
6815 }
6816
6817 fn paint_highlighted_range(
6818 &self,
6819 range: Range<DisplayPoint>,
6820 fill: bool,
6821 color: Hsla,
6822 corner_radius: Pixels,
6823 line_end_overshoot: Pixels,
6824 layout: &EditorLayout,
6825 window: &mut Window,
6826 ) {
6827 let start_row = layout.visible_display_row_range.start;
6828 let end_row = layout.visible_display_row_range.end;
6829 if range.start != range.end {
6830 let row_range = if range.end.column() == 0 {
6831 cmp::max(range.start.row(), start_row)..cmp::min(range.end.row(), end_row)
6832 } else {
6833 cmp::max(range.start.row(), start_row)
6834 ..cmp::min(range.end.row().next_row(), end_row)
6835 };
6836
6837 let highlighted_range = HighlightedRange {
6838 color,
6839 line_height: layout.position_map.line_height,
6840 corner_radius,
6841 start_y: layout.content_origin.y
6842 + Pixels::from(
6843 (row_range.start.as_f64() - layout.position_map.scroll_position.y)
6844 * ScrollOffset::from(layout.position_map.line_height),
6845 ),
6846 lines: row_range
6847 .iter_rows()
6848 .map(|row| {
6849 let line_layout =
6850 &layout.position_map.line_layouts[row.minus(start_row) as usize];
6851 HighlightedRangeLine {
6852 start_x: if row == range.start.row() {
6853 layout.content_origin.x
6854 + Pixels::from(
6855 ScrollPixelOffset::from(
6856 line_layout.x_for_index(range.start.column() as usize),
6857 ) - layout.position_map.scroll_pixel_position.x,
6858 )
6859 } else {
6860 layout.content_origin.x
6861 - Pixels::from(layout.position_map.scroll_pixel_position.x)
6862 },
6863 end_x: if row == range.end.row() {
6864 layout.content_origin.x
6865 + Pixels::from(
6866 ScrollPixelOffset::from(
6867 line_layout.x_for_index(range.end.column() as usize),
6868 ) - layout.position_map.scroll_pixel_position.x,
6869 )
6870 } else {
6871 Pixels::from(
6872 ScrollPixelOffset::from(
6873 layout.content_origin.x
6874 + line_layout.width
6875 + line_end_overshoot,
6876 ) - layout.position_map.scroll_pixel_position.x,
6877 )
6878 },
6879 }
6880 })
6881 .collect(),
6882 };
6883
6884 highlighted_range.paint(fill, layout.position_map.text_hitbox.bounds, window);
6885 }
6886 }
6887
6888 fn paint_inline_diagnostics(
6889 &mut self,
6890 layout: &mut EditorLayout,
6891 window: &mut Window,
6892 cx: &mut App,
6893 ) {
6894 for mut inline_diagnostic in layout.inline_diagnostics.drain() {
6895 inline_diagnostic.1.paint(window, cx);
6896 }
6897 }
6898
6899 fn paint_inline_blame(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6900 if let Some(mut blame_layout) = layout.inline_blame_layout.take() {
6901 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6902 blame_layout.element.paint(window, cx);
6903 })
6904 }
6905 }
6906
6907 fn paint_inline_code_actions(
6908 &mut self,
6909 layout: &mut EditorLayout,
6910 window: &mut Window,
6911 cx: &mut App,
6912 ) {
6913 if let Some(mut inline_code_actions) = layout.inline_code_actions.take() {
6914 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6915 inline_code_actions.paint(window, cx);
6916 })
6917 }
6918 }
6919
6920 fn paint_diff_hunk_controls(
6921 &mut self,
6922 layout: &mut EditorLayout,
6923 window: &mut Window,
6924 cx: &mut App,
6925 ) {
6926 for mut diff_hunk_control in layout.diff_hunk_controls.drain(..) {
6927 diff_hunk_control.paint(window, cx);
6928 }
6929 }
6930
6931 fn paint_minimap(&self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6932 if let Some(mut layout) = layout.minimap.take() {
6933 let minimap_hitbox = layout.thumb_layout.hitbox.clone();
6934 let dragging_minimap = self.editor.read(cx).scroll_manager.is_dragging_minimap();
6935
6936 window.paint_layer(layout.thumb_layout.hitbox.bounds, |window| {
6937 window.with_element_namespace("minimap", |window| {
6938 layout.minimap.paint(window, cx);
6939 if let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds {
6940 let minimap_thumb_color = match layout.thumb_layout.thumb_state {
6941 ScrollbarThumbState::Idle => {
6942 cx.theme().colors().minimap_thumb_background
6943 }
6944 ScrollbarThumbState::Hovered => {
6945 cx.theme().colors().minimap_thumb_hover_background
6946 }
6947 ScrollbarThumbState::Dragging => {
6948 cx.theme().colors().minimap_thumb_active_background
6949 }
6950 };
6951 let minimap_thumb_border = match layout.thumb_border_style {
6952 MinimapThumbBorder::Full => Edges::all(ScrollbarLayout::BORDER_WIDTH),
6953 MinimapThumbBorder::LeftOnly => Edges {
6954 left: ScrollbarLayout::BORDER_WIDTH,
6955 ..Default::default()
6956 },
6957 MinimapThumbBorder::LeftOpen => Edges {
6958 right: ScrollbarLayout::BORDER_WIDTH,
6959 top: ScrollbarLayout::BORDER_WIDTH,
6960 bottom: ScrollbarLayout::BORDER_WIDTH,
6961 ..Default::default()
6962 },
6963 MinimapThumbBorder::RightOpen => Edges {
6964 left: ScrollbarLayout::BORDER_WIDTH,
6965 top: ScrollbarLayout::BORDER_WIDTH,
6966 bottom: ScrollbarLayout::BORDER_WIDTH,
6967 ..Default::default()
6968 },
6969 MinimapThumbBorder::None => Default::default(),
6970 };
6971
6972 window.paint_layer(minimap_hitbox.bounds, |window| {
6973 window.paint_quad(quad(
6974 thumb_bounds,
6975 Corners::default(),
6976 minimap_thumb_color,
6977 minimap_thumb_border,
6978 cx.theme().colors().minimap_thumb_border,
6979 BorderStyle::Solid,
6980 ));
6981 });
6982 }
6983 });
6984 });
6985
6986 if dragging_minimap {
6987 window.set_window_cursor_style(CursorStyle::Arrow);
6988 } else {
6989 window.set_cursor_style(CursorStyle::Arrow, &minimap_hitbox);
6990 }
6991
6992 let minimap_axis = ScrollbarAxis::Vertical;
6993 let pixels_per_line = Pixels::from(
6994 ScrollPixelOffset::from(minimap_hitbox.size.height) / layout.max_scroll_top,
6995 )
6996 .min(layout.minimap_line_height);
6997
6998 let mut mouse_position = window.mouse_position();
6999
7000 window.on_mouse_event({
7001 let editor = self.editor.clone();
7002
7003 let minimap_hitbox = minimap_hitbox.clone();
7004
7005 move |event: &MouseMoveEvent, phase, window, cx| {
7006 if phase == DispatchPhase::Capture {
7007 return;
7008 }
7009
7010 editor.update(cx, |editor, cx| {
7011 if event.pressed_button == Some(MouseButton::Left)
7012 && editor.scroll_manager.is_dragging_minimap()
7013 {
7014 let old_position = mouse_position.along(minimap_axis);
7015 let new_position = event.position.along(minimap_axis);
7016 if (minimap_hitbox.origin.along(minimap_axis)
7017 ..minimap_hitbox.bottom_right().along(minimap_axis))
7018 .contains(&old_position)
7019 {
7020 let position =
7021 editor.scroll_position(cx).apply_along(minimap_axis, |p| {
7022 (p + ScrollPixelOffset::from(
7023 (new_position - old_position) / pixels_per_line,
7024 ))
7025 .max(0.)
7026 });
7027
7028 editor.set_scroll_position(position, window, cx);
7029 }
7030 cx.stop_propagation();
7031 } else if minimap_hitbox.is_hovered(window) {
7032 editor.scroll_manager.set_is_hovering_minimap_thumb(
7033 !event.dragging()
7034 && layout
7035 .thumb_layout
7036 .thumb_bounds
7037 .is_some_and(|bounds| bounds.contains(&event.position)),
7038 cx,
7039 );
7040
7041 // Stop hover events from propagating to the
7042 // underlying editor if the minimap hitbox is hovered
7043 if !event.dragging() {
7044 cx.stop_propagation();
7045 }
7046 } else {
7047 editor.scroll_manager.hide_minimap_thumb(cx);
7048 }
7049 mouse_position = event.position;
7050 });
7051 }
7052 });
7053
7054 if dragging_minimap {
7055 window.on_mouse_event({
7056 let editor = self.editor.clone();
7057 move |event: &MouseUpEvent, phase, window, cx| {
7058 if phase == DispatchPhase::Capture {
7059 return;
7060 }
7061
7062 editor.update(cx, |editor, cx| {
7063 if minimap_hitbox.is_hovered(window) {
7064 editor.scroll_manager.set_is_hovering_minimap_thumb(
7065 layout
7066 .thumb_layout
7067 .thumb_bounds
7068 .is_some_and(|bounds| bounds.contains(&event.position)),
7069 cx,
7070 );
7071 } else {
7072 editor.scroll_manager.hide_minimap_thumb(cx);
7073 }
7074 cx.stop_propagation();
7075 });
7076 }
7077 });
7078 } else {
7079 window.on_mouse_event({
7080 let editor = self.editor.clone();
7081
7082 move |event: &MouseDownEvent, phase, window, cx| {
7083 if phase == DispatchPhase::Capture || !minimap_hitbox.is_hovered(window) {
7084 return;
7085 }
7086
7087 let event_position = event.position;
7088
7089 let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds else {
7090 return;
7091 };
7092
7093 editor.update(cx, |editor, cx| {
7094 if !thumb_bounds.contains(&event_position) {
7095 let click_position =
7096 event_position.relative_to(&minimap_hitbox.origin).y;
7097
7098 let top_position = (click_position
7099 - thumb_bounds.size.along(minimap_axis) / 2.0)
7100 .max(Pixels::ZERO);
7101
7102 let scroll_offset = (layout.minimap_scroll_top
7103 + ScrollPixelOffset::from(
7104 top_position / layout.minimap_line_height,
7105 ))
7106 .min(layout.max_scroll_top);
7107
7108 let scroll_position = editor
7109 .scroll_position(cx)
7110 .apply_along(minimap_axis, |_| scroll_offset);
7111 editor.set_scroll_position(scroll_position, window, cx);
7112 }
7113
7114 editor.scroll_manager.set_is_dragging_minimap(cx);
7115 cx.stop_propagation();
7116 });
7117 }
7118 });
7119 }
7120 }
7121 }
7122
7123 fn paint_blocks(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
7124 for mut block in layout.blocks.drain(..) {
7125 if block.overlaps_gutter {
7126 block.element.paint(window, cx);
7127 } else {
7128 let mut bounds = layout.hitbox.bounds;
7129 bounds.origin.x += layout.gutter_hitbox.bounds.size.width;
7130 window.with_content_mask(Some(ContentMask { bounds }), |window| {
7131 block.element.paint(window, cx);
7132 })
7133 }
7134 }
7135 }
7136
7137 fn paint_edit_prediction_popover(
7138 &mut self,
7139 layout: &mut EditorLayout,
7140 window: &mut Window,
7141 cx: &mut App,
7142 ) {
7143 if let Some(edit_prediction_popover) = layout.edit_prediction_popover.as_mut() {
7144 edit_prediction_popover.paint(window, cx);
7145 }
7146 }
7147
7148 fn paint_mouse_context_menu(
7149 &mut self,
7150 layout: &mut EditorLayout,
7151 window: &mut Window,
7152 cx: &mut App,
7153 ) {
7154 if let Some(mouse_context_menu) = layout.mouse_context_menu.as_mut() {
7155 mouse_context_menu.paint(window, cx);
7156 }
7157 }
7158
7159 fn paint_scroll_wheel_listener(
7160 &mut self,
7161 layout: &EditorLayout,
7162 window: &mut Window,
7163 cx: &mut App,
7164 ) {
7165 window.on_mouse_event({
7166 let position_map = layout.position_map.clone();
7167 let editor = self.editor.clone();
7168 let hitbox = layout.hitbox.clone();
7169 let mut delta = ScrollDelta::default();
7170
7171 // Set a minimum scroll_sensitivity of 0.01 to make sure the user doesn't
7172 // accidentally turn off their scrolling.
7173 let base_scroll_sensitivity =
7174 EditorSettings::get_global(cx).scroll_sensitivity.max(0.01);
7175
7176 // Use a minimum fast_scroll_sensitivity for same reason above
7177 let fast_scroll_sensitivity = EditorSettings::get_global(cx)
7178 .fast_scroll_sensitivity
7179 .max(0.01);
7180
7181 move |event: &ScrollWheelEvent, phase, window, cx| {
7182 let scroll_sensitivity = {
7183 if event.modifiers.alt {
7184 fast_scroll_sensitivity
7185 } else {
7186 base_scroll_sensitivity
7187 }
7188 };
7189
7190 if phase == DispatchPhase::Bubble && hitbox.should_handle_scroll(window) {
7191 delta = delta.coalesce(event.delta);
7192 editor.update(cx, |editor, cx| {
7193 let position_map: &PositionMap = &position_map;
7194
7195 let line_height = position_map.line_height;
7196 let max_glyph_advance = position_map.em_advance;
7197 let (delta, axis) = match delta {
7198 gpui::ScrollDelta::Pixels(mut pixels) => {
7199 //Trackpad
7200 let axis = position_map.snapshot.ongoing_scroll.filter(&mut pixels);
7201 (pixels, axis)
7202 }
7203
7204 gpui::ScrollDelta::Lines(lines) => {
7205 //Not trackpad
7206 let pixels =
7207 point(lines.x * max_glyph_advance, lines.y * line_height);
7208 (pixels, None)
7209 }
7210 };
7211
7212 let current_scroll_position = position_map.snapshot.scroll_position();
7213 let x = (current_scroll_position.x
7214 * ScrollPixelOffset::from(max_glyph_advance)
7215 - ScrollPixelOffset::from(delta.x * scroll_sensitivity))
7216 / ScrollPixelOffset::from(max_glyph_advance);
7217
7218 let scale_factor = window.scale_factor();
7219 let y = (current_scroll_position.y
7220 * ScrollPixelOffset::from(line_height)
7221 * ScrollPixelOffset::from(scale_factor)
7222 - ScrollPixelOffset::from(delta.y * scroll_sensitivity))
7223 .round()
7224 / ScrollPixelOffset::from(line_height)
7225 / ScrollPixelOffset::from(scale_factor);
7226
7227 let mut scroll_position =
7228 point(x, y).clamp(&point(0., 0.), &position_map.scroll_max);
7229 let forbid_vertical_scroll = editor.scroll_manager.forbid_vertical_scroll();
7230 if forbid_vertical_scroll {
7231 scroll_position.y = current_scroll_position.y;
7232 }
7233
7234 if scroll_position != current_scroll_position {
7235 editor.scroll(scroll_position, axis, window, cx);
7236 cx.stop_propagation();
7237 } else if y < 0. {
7238 // Due to clamping, we may fail to detect cases of overscroll to the top;
7239 // We want the scroll manager to get an update in such cases and detect the change of direction
7240 // on the next frame.
7241 cx.notify();
7242 }
7243 });
7244 }
7245 }
7246 });
7247 }
7248
7249 fn paint_mouse_listeners(&mut self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
7250 if layout.mode.is_minimap() {
7251 return;
7252 }
7253
7254 self.paint_scroll_wheel_listener(layout, window, cx);
7255
7256 window.on_mouse_event({
7257 let position_map = layout.position_map.clone();
7258 let editor = self.editor.clone();
7259 let diff_hunk_range =
7260 layout
7261 .display_hunks
7262 .iter()
7263 .find_map(|(hunk, hunk_hitbox)| match hunk {
7264 DisplayDiffHunk::Folded { .. } => None,
7265 DisplayDiffHunk::Unfolded {
7266 multi_buffer_range, ..
7267 } => {
7268 if hunk_hitbox
7269 .as_ref()
7270 .map(|hitbox| hitbox.is_hovered(window))
7271 .unwrap_or(false)
7272 {
7273 Some(multi_buffer_range.clone())
7274 } else {
7275 None
7276 }
7277 }
7278 });
7279 let line_numbers = layout.line_numbers.clone();
7280
7281 move |event: &MouseDownEvent, phase, window, cx| {
7282 if phase == DispatchPhase::Bubble {
7283 match event.button {
7284 MouseButton::Left => editor.update(cx, |editor, cx| {
7285 let pending_mouse_down = editor
7286 .pending_mouse_down
7287 .get_or_insert_with(Default::default)
7288 .clone();
7289
7290 *pending_mouse_down.borrow_mut() = Some(event.clone());
7291
7292 Self::mouse_left_down(
7293 editor,
7294 event,
7295 diff_hunk_range.clone(),
7296 &position_map,
7297 line_numbers.as_ref(),
7298 window,
7299 cx,
7300 );
7301 }),
7302 MouseButton::Right => editor.update(cx, |editor, cx| {
7303 Self::mouse_right_down(editor, event, &position_map, window, cx);
7304 }),
7305 MouseButton::Middle => editor.update(cx, |editor, cx| {
7306 Self::mouse_middle_down(editor, event, &position_map, window, cx);
7307 }),
7308 _ => {}
7309 };
7310 }
7311 }
7312 });
7313
7314 window.on_mouse_event({
7315 let editor = self.editor.clone();
7316 let position_map = layout.position_map.clone();
7317
7318 move |event: &MouseUpEvent, phase, window, cx| {
7319 if phase == DispatchPhase::Bubble {
7320 editor.update(cx, |editor, cx| {
7321 Self::mouse_up(editor, event, &position_map, window, cx)
7322 });
7323 }
7324 }
7325 });
7326
7327 window.on_mouse_event({
7328 let editor = self.editor.clone();
7329 let position_map = layout.position_map.clone();
7330 let mut captured_mouse_down = None;
7331
7332 move |event: &MouseUpEvent, phase, window, cx| match phase {
7333 // Clear the pending mouse down during the capture phase,
7334 // so that it happens even if another event handler stops
7335 // propagation.
7336 DispatchPhase::Capture => editor.update(cx, |editor, _cx| {
7337 let pending_mouse_down = editor
7338 .pending_mouse_down
7339 .get_or_insert_with(Default::default)
7340 .clone();
7341
7342 let mut pending_mouse_down = pending_mouse_down.borrow_mut();
7343 if pending_mouse_down.is_some() && position_map.text_hitbox.is_hovered(window) {
7344 captured_mouse_down = pending_mouse_down.take();
7345 window.refresh();
7346 }
7347 }),
7348 // Fire click handlers during the bubble phase.
7349 DispatchPhase::Bubble => editor.update(cx, |editor, cx| {
7350 if let Some(mouse_down) = captured_mouse_down.take() {
7351 let event = ClickEvent::Mouse(MouseClickEvent {
7352 down: mouse_down,
7353 up: event.clone(),
7354 });
7355 Self::click(editor, &event, &position_map, window, cx);
7356 }
7357 }),
7358 }
7359 });
7360
7361 window.on_mouse_event({
7362 let position_map = layout.position_map.clone();
7363 let editor = self.editor.clone();
7364
7365 move |event: &MouseMoveEvent, phase, window, cx| {
7366 if phase == DispatchPhase::Bubble {
7367 editor.update(cx, |editor, cx| {
7368 if editor.hover_state.focused(window, cx) {
7369 return;
7370 }
7371 if event.pressed_button == Some(MouseButton::Left)
7372 || event.pressed_button == Some(MouseButton::Middle)
7373 {
7374 Self::mouse_dragged(editor, event, &position_map, window, cx)
7375 }
7376
7377 Self::mouse_moved(editor, event, &position_map, window, cx)
7378 });
7379 }
7380 }
7381 });
7382 }
7383
7384 fn column_pixels(&self, column: usize, window: &Window) -> Pixels {
7385 let style = &self.style;
7386 let font_size = style.text.font_size.to_pixels(window.rem_size());
7387 let layout = window.text_system().shape_line(
7388 SharedString::from(" ".repeat(column)),
7389 font_size,
7390 &[TextRun {
7391 len: column,
7392 font: style.text.font(),
7393 color: Hsla::default(),
7394 background_color: None,
7395 underline: None,
7396 strikethrough: None,
7397 }],
7398 None,
7399 );
7400
7401 layout.width
7402 }
7403
7404 fn max_line_number_width(&self, snapshot: &EditorSnapshot, window: &mut Window) -> Pixels {
7405 let digit_count = snapshot.widest_line_number().ilog10() + 1;
7406 self.column_pixels(digit_count as usize, window)
7407 }
7408
7409 fn shape_line_number(
7410 &self,
7411 text: SharedString,
7412 color: Hsla,
7413 window: &mut Window,
7414 ) -> ShapedLine {
7415 let run = TextRun {
7416 len: text.len(),
7417 font: self.style.text.font(),
7418 color,
7419 background_color: None,
7420 underline: None,
7421 strikethrough: None,
7422 };
7423 window.text_system().shape_line(
7424 text,
7425 self.style.text.font_size.to_pixels(window.rem_size()),
7426 &[run],
7427 None,
7428 )
7429 }
7430
7431 fn diff_hunk_hollow(status: DiffHunkStatus, cx: &mut App) -> bool {
7432 let unstaged = status.has_secondary_hunk();
7433 let unstaged_hollow = matches!(
7434 ProjectSettings::get_global(cx).git.hunk_style,
7435 GitHunkStyleSetting::UnstagedHollow
7436 );
7437
7438 unstaged == unstaged_hollow
7439 }
7440
7441 #[cfg(debug_assertions)]
7442 fn layout_debug_ranges(
7443 selections: &mut Vec<(PlayerColor, Vec<SelectionLayout>)>,
7444 anchor_range: Range<Anchor>,
7445 display_snapshot: &DisplaySnapshot,
7446 cx: &App,
7447 ) {
7448 let theme = cx.theme();
7449 text::debug::GlobalDebugRanges::with_locked(|debug_ranges| {
7450 if debug_ranges.ranges.is_empty() {
7451 return;
7452 }
7453 let buffer_snapshot = &display_snapshot.buffer_snapshot();
7454 for (buffer, buffer_range, excerpt_id) in
7455 buffer_snapshot.range_to_buffer_ranges(anchor_range)
7456 {
7457 let buffer_range =
7458 buffer.anchor_after(buffer_range.start)..buffer.anchor_before(buffer_range.end);
7459 selections.extend(debug_ranges.ranges.iter().flat_map(|debug_range| {
7460 let player_color = theme
7461 .players()
7462 .color_for_participant(debug_range.occurrence_index as u32 + 1);
7463 debug_range.ranges.iter().filter_map(move |range| {
7464 if range.start.buffer_id != Some(buffer.remote_id()) {
7465 return None;
7466 }
7467 let clipped_start = range.start.max(&buffer_range.start, buffer);
7468 let clipped_end = range.end.min(&buffer_range.end, buffer);
7469 let range = buffer_snapshot
7470 .anchor_range_in_excerpt(excerpt_id, *clipped_start..*clipped_end)?;
7471 let start = range.start.to_display_point(display_snapshot);
7472 let end = range.end.to_display_point(display_snapshot);
7473 let selection_layout = SelectionLayout {
7474 head: start,
7475 range: start..end,
7476 cursor_shape: CursorShape::Bar,
7477 is_newest: false,
7478 is_local: false,
7479 active_rows: start.row()..end.row(),
7480 user_name: Some(SharedString::new(debug_range.value.clone())),
7481 };
7482 Some((player_color, vec![selection_layout]))
7483 })
7484 }));
7485 }
7486 });
7487 }
7488}
7489
7490fn header_jump_data(
7491 snapshot: &EditorSnapshot,
7492 block_row_start: DisplayRow,
7493 height: u32,
7494 for_excerpt: &ExcerptInfo,
7495) -> JumpData {
7496 let range = &for_excerpt.range;
7497 let buffer = &for_excerpt.buffer;
7498 let jump_anchor = range.primary.start;
7499
7500 let excerpt_start = range.context.start;
7501 let jump_position = language::ToPoint::to_point(&jump_anchor, buffer);
7502 let rows_from_excerpt_start = if jump_anchor == excerpt_start {
7503 0
7504 } else {
7505 let excerpt_start_point = language::ToPoint::to_point(&excerpt_start, buffer);
7506 jump_position.row.saturating_sub(excerpt_start_point.row)
7507 };
7508
7509 let line_offset_from_top = (block_row_start.0 + height + rows_from_excerpt_start)
7510 .saturating_sub(
7511 snapshot
7512 .scroll_anchor
7513 .scroll_position(&snapshot.display_snapshot)
7514 .y as u32,
7515 );
7516
7517 JumpData::MultiBufferPoint {
7518 excerpt_id: for_excerpt.id,
7519 anchor: jump_anchor,
7520 position: jump_position,
7521 line_offset_from_top,
7522 }
7523}
7524
7525pub struct AcceptEditPredictionBinding(pub(crate) Option<gpui::KeyBinding>);
7526
7527impl AcceptEditPredictionBinding {
7528 pub fn keystroke(&self) -> Option<&KeybindingKeystroke> {
7529 if let Some(binding) = self.0.as_ref() {
7530 match &binding.keystrokes() {
7531 [keystroke, ..] => Some(keystroke),
7532 _ => None,
7533 }
7534 } else {
7535 None
7536 }
7537 }
7538}
7539
7540fn prepaint_gutter_button(
7541 button: IconButton,
7542 row: DisplayRow,
7543 line_height: Pixels,
7544 gutter_dimensions: &GutterDimensions,
7545 scroll_position: gpui::Point<ScrollOffset>,
7546 gutter_hitbox: &Hitbox,
7547 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
7548 window: &mut Window,
7549 cx: &mut App,
7550) -> AnyElement {
7551 let mut button = button.into_any_element();
7552
7553 let available_space = size(
7554 AvailableSpace::MinContent,
7555 AvailableSpace::Definite(line_height),
7556 );
7557 let indicator_size = button.layout_as_root(available_space, window, cx);
7558
7559 let blame_width = gutter_dimensions.git_blame_entries_width;
7560 let gutter_width = display_hunks
7561 .binary_search_by(|(hunk, _)| match hunk {
7562 DisplayDiffHunk::Folded { display_row } => display_row.cmp(&row),
7563 DisplayDiffHunk::Unfolded {
7564 display_row_range, ..
7565 } => {
7566 if display_row_range.end <= row {
7567 Ordering::Less
7568 } else if display_row_range.start > row {
7569 Ordering::Greater
7570 } else {
7571 Ordering::Equal
7572 }
7573 }
7574 })
7575 .ok()
7576 .and_then(|ix| Some(display_hunks[ix].1.as_ref()?.size.width));
7577 let left_offset = blame_width.max(gutter_width).unwrap_or_default();
7578
7579 let mut x = left_offset;
7580 let available_width = gutter_dimensions.margin + gutter_dimensions.left_padding
7581 - indicator_size.width
7582 - left_offset;
7583 x += available_width / 2.;
7584
7585 let mut y =
7586 Pixels::from((row.as_f64() - scroll_position.y) * ScrollPixelOffset::from(line_height));
7587 y += (line_height - indicator_size.height) / 2.;
7588
7589 button.prepaint_as_root(
7590 gutter_hitbox.origin + point(x, y),
7591 available_space,
7592 window,
7593 cx,
7594 );
7595 button
7596}
7597
7598fn render_inline_blame_entry(
7599 blame_entry: BlameEntry,
7600 style: &EditorStyle,
7601 cx: &mut App,
7602) -> Option<AnyElement> {
7603 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7604 renderer.render_inline_blame_entry(&style.text, blame_entry, cx)
7605}
7606
7607fn render_blame_entry_popover(
7608 blame_entry: BlameEntry,
7609 scroll_handle: ScrollHandle,
7610 commit_message: Option<ParsedCommitMessage>,
7611 markdown: Entity<Markdown>,
7612 workspace: WeakEntity<Workspace>,
7613 blame: &Entity<GitBlame>,
7614 buffer: BufferId,
7615 window: &mut Window,
7616 cx: &mut App,
7617) -> Option<AnyElement> {
7618 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7619 let blame = blame.read(cx);
7620 let repository = blame.repository(cx, buffer)?;
7621 renderer.render_blame_entry_popover(
7622 blame_entry,
7623 scroll_handle,
7624 commit_message,
7625 markdown,
7626 repository,
7627 workspace,
7628 window,
7629 cx,
7630 )
7631}
7632
7633fn render_blame_entry(
7634 ix: usize,
7635 blame: &Entity<GitBlame>,
7636 blame_entry: BlameEntry,
7637 style: &EditorStyle,
7638 last_used_color: &mut Option<(Hsla, Oid)>,
7639 editor: Entity<Editor>,
7640 workspace: Entity<Workspace>,
7641 buffer: BufferId,
7642 renderer: &dyn BlameRenderer,
7643 window: &mut Window,
7644 cx: &mut App,
7645) -> Option<AnyElement> {
7646 let index: u32 = blame_entry.sha.into();
7647 let mut sha_color = cx.theme().players().color_for_participant(index).cursor;
7648
7649 // If the last color we used is the same as the one we get for this line, but
7650 // the commit SHAs are different, then we try again to get a different color.
7651 if let Some((color, sha)) = *last_used_color
7652 && sha != blame_entry.sha
7653 && color == sha_color
7654 {
7655 sha_color = cx.theme().players().color_for_participant(index + 1).cursor;
7656 }
7657 last_used_color.replace((sha_color, blame_entry.sha));
7658
7659 let blame = blame.read(cx);
7660 let details = blame.details_for_entry(buffer, &blame_entry);
7661 let repository = blame.repository(cx, buffer)?;
7662 renderer.render_blame_entry(
7663 &style.text,
7664 blame_entry,
7665 details,
7666 repository,
7667 workspace.downgrade(),
7668 editor,
7669 ix,
7670 sha_color,
7671 window,
7672 cx,
7673 )
7674}
7675
7676#[derive(Debug)]
7677pub(crate) struct LineWithInvisibles {
7678 fragments: SmallVec<[LineFragment; 1]>,
7679 invisibles: Vec<Invisible>,
7680 len: usize,
7681 pub(crate) width: Pixels,
7682 font_size: Pixels,
7683}
7684
7685enum LineFragment {
7686 Text(ShapedLine),
7687 Element {
7688 id: ChunkRendererId,
7689 element: Option<AnyElement>,
7690 size: Size<Pixels>,
7691 len: usize,
7692 },
7693}
7694
7695impl fmt::Debug for LineFragment {
7696 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
7697 match self {
7698 LineFragment::Text(shaped_line) => f.debug_tuple("Text").field(shaped_line).finish(),
7699 LineFragment::Element { size, len, .. } => f
7700 .debug_struct("Element")
7701 .field("size", size)
7702 .field("len", len)
7703 .finish(),
7704 }
7705 }
7706}
7707
7708impl LineWithInvisibles {
7709 fn from_chunks<'a>(
7710 chunks: impl Iterator<Item = HighlightedChunk<'a>>,
7711 editor_style: &EditorStyle,
7712 max_line_len: usize,
7713 max_line_count: usize,
7714 editor_mode: &EditorMode,
7715 text_width: Pixels,
7716 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
7717 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
7718 window: &mut Window,
7719 cx: &mut App,
7720 ) -> Vec<Self> {
7721 let text_style = &editor_style.text;
7722 let mut layouts = Vec::with_capacity(max_line_count);
7723 let mut fragments: SmallVec<[LineFragment; 1]> = SmallVec::new();
7724 let mut line = String::new();
7725 let mut invisibles = Vec::new();
7726 let mut width = Pixels::ZERO;
7727 let mut len = 0;
7728 let mut styles = Vec::new();
7729 let mut non_whitespace_added = false;
7730 let mut row = 0;
7731 let mut line_exceeded_max_len = false;
7732 let font_size = text_style.font_size.to_pixels(window.rem_size());
7733 let min_contrast = EditorSettings::get_global(cx).minimum_contrast_for_highlights;
7734
7735 let ellipsis = SharedString::from("β―");
7736
7737 for highlighted_chunk in chunks.chain([HighlightedChunk {
7738 text: "\n",
7739 style: None,
7740 is_tab: false,
7741 is_inlay: false,
7742 replacement: None,
7743 }]) {
7744 if let Some(replacement) = highlighted_chunk.replacement {
7745 if !line.is_empty() {
7746 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7747 let text_runs: &[TextRun] = if segments.is_empty() {
7748 &styles
7749 } else {
7750 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
7751 };
7752 let shaped_line = window.text_system().shape_line(
7753 line.clone().into(),
7754 font_size,
7755 text_runs,
7756 None,
7757 );
7758 width += shaped_line.width;
7759 len += shaped_line.len;
7760 fragments.push(LineFragment::Text(shaped_line));
7761 line.clear();
7762 styles.clear();
7763 }
7764
7765 match replacement {
7766 ChunkReplacement::Renderer(renderer) => {
7767 let available_width = if renderer.constrain_width {
7768 let chunk = if highlighted_chunk.text == ellipsis.as_ref() {
7769 ellipsis.clone()
7770 } else {
7771 SharedString::from(Arc::from(highlighted_chunk.text))
7772 };
7773 let shaped_line = window.text_system().shape_line(
7774 chunk,
7775 font_size,
7776 &[text_style.to_run(highlighted_chunk.text.len())],
7777 None,
7778 );
7779 AvailableSpace::Definite(shaped_line.width)
7780 } else {
7781 AvailableSpace::MinContent
7782 };
7783
7784 let mut element = (renderer.render)(&mut ChunkRendererContext {
7785 context: cx,
7786 window,
7787 max_width: text_width,
7788 });
7789 let line_height = text_style.line_height_in_pixels(window.rem_size());
7790 let size = element.layout_as_root(
7791 size(available_width, AvailableSpace::Definite(line_height)),
7792 window,
7793 cx,
7794 );
7795
7796 width += size.width;
7797 len += highlighted_chunk.text.len();
7798 fragments.push(LineFragment::Element {
7799 id: renderer.id,
7800 element: Some(element),
7801 size,
7802 len: highlighted_chunk.text.len(),
7803 });
7804 }
7805 ChunkReplacement::Str(x) => {
7806 let text_style = if let Some(style) = highlighted_chunk.style {
7807 Cow::Owned(text_style.clone().highlight(style))
7808 } else {
7809 Cow::Borrowed(text_style)
7810 };
7811
7812 let run = TextRun {
7813 len: x.len(),
7814 font: text_style.font(),
7815 color: text_style.color,
7816 background_color: text_style.background_color,
7817 underline: text_style.underline,
7818 strikethrough: text_style.strikethrough,
7819 };
7820 let line_layout = window
7821 .text_system()
7822 .shape_line(x, font_size, &[run], None)
7823 .with_len(highlighted_chunk.text.len());
7824
7825 width += line_layout.width;
7826 len += highlighted_chunk.text.len();
7827 fragments.push(LineFragment::Text(line_layout))
7828 }
7829 }
7830 } else {
7831 for (ix, mut line_chunk) in highlighted_chunk.text.split('\n').enumerate() {
7832 if ix > 0 {
7833 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7834 let text_runs = if segments.is_empty() {
7835 &styles
7836 } else {
7837 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
7838 };
7839 let shaped_line = window.text_system().shape_line(
7840 line.clone().into(),
7841 font_size,
7842 text_runs,
7843 None,
7844 );
7845 width += shaped_line.width;
7846 len += shaped_line.len;
7847 fragments.push(LineFragment::Text(shaped_line));
7848 layouts.push(Self {
7849 width: mem::take(&mut width),
7850 len: mem::take(&mut len),
7851 fragments: mem::take(&mut fragments),
7852 invisibles: std::mem::take(&mut invisibles),
7853 font_size,
7854 });
7855
7856 line.clear();
7857 styles.clear();
7858 row += 1;
7859 line_exceeded_max_len = false;
7860 non_whitespace_added = false;
7861 if row == max_line_count {
7862 return layouts;
7863 }
7864 }
7865
7866 if !line_chunk.is_empty() && !line_exceeded_max_len {
7867 let text_style = if let Some(style) = highlighted_chunk.style {
7868 Cow::Owned(text_style.clone().highlight(style))
7869 } else {
7870 Cow::Borrowed(text_style)
7871 };
7872
7873 if line.len() + line_chunk.len() > max_line_len {
7874 let mut chunk_len = max_line_len - line.len();
7875 while !line_chunk.is_char_boundary(chunk_len) {
7876 chunk_len -= 1;
7877 }
7878 line_chunk = &line_chunk[..chunk_len];
7879 line_exceeded_max_len = true;
7880 }
7881
7882 styles.push(TextRun {
7883 len: line_chunk.len(),
7884 font: text_style.font(),
7885 color: text_style.color,
7886 background_color: text_style.background_color,
7887 underline: text_style.underline,
7888 strikethrough: text_style.strikethrough,
7889 });
7890
7891 if editor_mode.is_full() && !highlighted_chunk.is_inlay {
7892 // Line wrap pads its contents with fake whitespaces,
7893 // avoid printing them
7894 let is_soft_wrapped = is_row_soft_wrapped(row);
7895 if highlighted_chunk.is_tab {
7896 if non_whitespace_added || !is_soft_wrapped {
7897 invisibles.push(Invisible::Tab {
7898 line_start_offset: line.len(),
7899 line_end_offset: line.len() + line_chunk.len(),
7900 });
7901 }
7902 } else {
7903 invisibles.extend(line_chunk.char_indices().filter_map(
7904 |(index, c)| {
7905 let is_whitespace = c.is_whitespace();
7906 non_whitespace_added |= !is_whitespace;
7907 if is_whitespace
7908 && (non_whitespace_added || !is_soft_wrapped)
7909 {
7910 Some(Invisible::Whitespace {
7911 line_offset: line.len() + index,
7912 })
7913 } else {
7914 None
7915 }
7916 },
7917 ))
7918 }
7919 }
7920
7921 line.push_str(line_chunk);
7922 }
7923 }
7924 }
7925 }
7926
7927 layouts
7928 }
7929
7930 /// Takes text runs and non-overlapping left-to-right background ranges with color.
7931 /// Returns new text runs with adjusted contrast as per background ranges.
7932 fn split_runs_by_bg_segments(
7933 text_runs: &[TextRun],
7934 bg_segments: &[(Range<DisplayPoint>, Hsla)],
7935 min_contrast: f32,
7936 start_col_offset: usize,
7937 ) -> Vec<TextRun> {
7938 let mut output_runs: Vec<TextRun> = Vec::with_capacity(text_runs.len());
7939 let mut line_col = start_col_offset;
7940 let mut segment_ix = 0usize;
7941
7942 for text_run in text_runs.iter() {
7943 let run_start_col = line_col;
7944 let run_end_col = run_start_col + text_run.len;
7945 while segment_ix < bg_segments.len()
7946 && (bg_segments[segment_ix].0.end.column() as usize) <= run_start_col
7947 {
7948 segment_ix += 1;
7949 }
7950 let mut cursor_col = run_start_col;
7951 let mut local_segment_ix = segment_ix;
7952 while local_segment_ix < bg_segments.len() {
7953 let (range, segment_color) = &bg_segments[local_segment_ix];
7954 let segment_start_col = range.start.column() as usize;
7955 let segment_end_col = range.end.column() as usize;
7956 if segment_start_col >= run_end_col {
7957 break;
7958 }
7959 if segment_start_col > cursor_col {
7960 let span_len = segment_start_col - cursor_col;
7961 output_runs.push(TextRun {
7962 len: span_len,
7963 font: text_run.font.clone(),
7964 color: text_run.color,
7965 background_color: text_run.background_color,
7966 underline: text_run.underline,
7967 strikethrough: text_run.strikethrough,
7968 });
7969 cursor_col = segment_start_col;
7970 }
7971 let segment_slice_end_col = segment_end_col.min(run_end_col);
7972 if segment_slice_end_col > cursor_col {
7973 let new_text_color =
7974 ensure_minimum_contrast(text_run.color, *segment_color, min_contrast);
7975 output_runs.push(TextRun {
7976 len: segment_slice_end_col - cursor_col,
7977 font: text_run.font.clone(),
7978 color: new_text_color,
7979 background_color: text_run.background_color,
7980 underline: text_run.underline,
7981 strikethrough: text_run.strikethrough,
7982 });
7983 cursor_col = segment_slice_end_col;
7984 }
7985 if segment_end_col >= run_end_col {
7986 break;
7987 }
7988 local_segment_ix += 1;
7989 }
7990 if cursor_col < run_end_col {
7991 output_runs.push(TextRun {
7992 len: run_end_col - cursor_col,
7993 font: text_run.font.clone(),
7994 color: text_run.color,
7995 background_color: text_run.background_color,
7996 underline: text_run.underline,
7997 strikethrough: text_run.strikethrough,
7998 });
7999 }
8000 line_col = run_end_col;
8001 segment_ix = local_segment_ix;
8002 }
8003 output_runs
8004 }
8005
8006 fn prepaint(
8007 &mut self,
8008 line_height: Pixels,
8009 scroll_position: gpui::Point<ScrollOffset>,
8010 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
8011 row: DisplayRow,
8012 content_origin: gpui::Point<Pixels>,
8013 line_elements: &mut SmallVec<[AnyElement; 1]>,
8014 window: &mut Window,
8015 cx: &mut App,
8016 ) {
8017 let line_y = f32::from(line_height) * Pixels::from(row.as_f64() - scroll_position.y);
8018 let mut fragment_origin =
8019 content_origin + gpui::point(Pixels::from(-scroll_pixel_position.x), line_y);
8020 for fragment in &mut self.fragments {
8021 match fragment {
8022 LineFragment::Text(line) => {
8023 fragment_origin.x += line.width;
8024 }
8025 LineFragment::Element { element, size, .. } => {
8026 let mut element = element
8027 .take()
8028 .expect("you can't prepaint LineWithInvisibles twice");
8029
8030 // Center the element vertically within the line.
8031 let mut element_origin = fragment_origin;
8032 element_origin.y += (line_height - size.height) / 2.;
8033 element.prepaint_at(element_origin, window, cx);
8034 line_elements.push(element);
8035
8036 fragment_origin.x += size.width;
8037 }
8038 }
8039 }
8040 }
8041
8042 fn draw(
8043 &self,
8044 layout: &EditorLayout,
8045 row: DisplayRow,
8046 content_origin: gpui::Point<Pixels>,
8047 whitespace_setting: ShowWhitespaceSetting,
8048 selection_ranges: &[Range<DisplayPoint>],
8049 window: &mut Window,
8050 cx: &mut App,
8051 ) {
8052 let line_height = layout.position_map.line_height;
8053 let line_y = line_height * (row.as_f64() - layout.position_map.scroll_position.y) as f32;
8054
8055 let mut fragment_origin = content_origin
8056 + gpui::point(
8057 Pixels::from(-layout.position_map.scroll_pixel_position.x),
8058 line_y,
8059 );
8060
8061 for fragment in &self.fragments {
8062 match fragment {
8063 LineFragment::Text(line) => {
8064 line.paint(fragment_origin, line_height, window, cx)
8065 .log_err();
8066 fragment_origin.x += line.width;
8067 }
8068 LineFragment::Element { size, .. } => {
8069 fragment_origin.x += size.width;
8070 }
8071 }
8072 }
8073
8074 self.draw_invisibles(
8075 selection_ranges,
8076 layout,
8077 content_origin,
8078 line_y,
8079 row,
8080 line_height,
8081 whitespace_setting,
8082 window,
8083 cx,
8084 );
8085 }
8086
8087 fn draw_background(
8088 &self,
8089 layout: &EditorLayout,
8090 row: DisplayRow,
8091 content_origin: gpui::Point<Pixels>,
8092 window: &mut Window,
8093 cx: &mut App,
8094 ) {
8095 let line_height = layout.position_map.line_height;
8096 let line_y = line_height * (row.as_f64() - layout.position_map.scroll_position.y) as f32;
8097
8098 let mut fragment_origin = content_origin
8099 + gpui::point(
8100 Pixels::from(-layout.position_map.scroll_pixel_position.x),
8101 line_y,
8102 );
8103
8104 for fragment in &self.fragments {
8105 match fragment {
8106 LineFragment::Text(line) => {
8107 line.paint_background(fragment_origin, line_height, window, cx)
8108 .log_err();
8109 fragment_origin.x += line.width;
8110 }
8111 LineFragment::Element { size, .. } => {
8112 fragment_origin.x += size.width;
8113 }
8114 }
8115 }
8116 }
8117
8118 fn draw_invisibles(
8119 &self,
8120 selection_ranges: &[Range<DisplayPoint>],
8121 layout: &EditorLayout,
8122 content_origin: gpui::Point<Pixels>,
8123 line_y: Pixels,
8124 row: DisplayRow,
8125 line_height: Pixels,
8126 whitespace_setting: ShowWhitespaceSetting,
8127 window: &mut Window,
8128 cx: &mut App,
8129 ) {
8130 let extract_whitespace_info = |invisible: &Invisible| {
8131 let (token_offset, token_end_offset, invisible_symbol) = match invisible {
8132 Invisible::Tab {
8133 line_start_offset,
8134 line_end_offset,
8135 } => (*line_start_offset, *line_end_offset, &layout.tab_invisible),
8136 Invisible::Whitespace { line_offset } => {
8137 (*line_offset, line_offset + 1, &layout.space_invisible)
8138 }
8139 };
8140
8141 let x_offset: ScrollPixelOffset = self.x_for_index(token_offset).into();
8142 let invisible_offset: ScrollPixelOffset =
8143 ((layout.position_map.em_width - invisible_symbol.width).max(Pixels::ZERO) / 2.0)
8144 .into();
8145 let origin = content_origin
8146 + gpui::point(
8147 Pixels::from(
8148 x_offset + invisible_offset - layout.position_map.scroll_pixel_position.x,
8149 ),
8150 line_y,
8151 );
8152
8153 (
8154 [token_offset, token_end_offset],
8155 Box::new(move |window: &mut Window, cx: &mut App| {
8156 invisible_symbol
8157 .paint(origin, line_height, window, cx)
8158 .log_err();
8159 }),
8160 )
8161 };
8162
8163 let invisible_iter = self.invisibles.iter().map(extract_whitespace_info);
8164 match whitespace_setting {
8165 ShowWhitespaceSetting::None => (),
8166 ShowWhitespaceSetting::All => invisible_iter.for_each(|(_, paint)| paint(window, cx)),
8167 ShowWhitespaceSetting::Selection => invisible_iter.for_each(|([start, _], paint)| {
8168 let invisible_point = DisplayPoint::new(row, start as u32);
8169 if !selection_ranges
8170 .iter()
8171 .any(|region| region.start <= invisible_point && invisible_point < region.end)
8172 {
8173 return;
8174 }
8175
8176 paint(window, cx);
8177 }),
8178
8179 ShowWhitespaceSetting::Trailing => {
8180 let mut previous_start = self.len;
8181 for ([start, end], paint) in invisible_iter.rev() {
8182 if previous_start != end {
8183 break;
8184 }
8185 previous_start = start;
8186 paint(window, cx);
8187 }
8188 }
8189
8190 // For a whitespace to be on a boundary, any of the following conditions need to be met:
8191 // - It is a tab
8192 // - It is adjacent to an edge (start or end)
8193 // - It is adjacent to a whitespace (left or right)
8194 ShowWhitespaceSetting::Boundary => {
8195 // 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
8196 // the above cases.
8197 // Note: We zip in the original `invisibles` to check for tab equality
8198 let mut last_seen: Option<(bool, usize, Box<dyn Fn(&mut Window, &mut App)>)> = None;
8199 for (([start, end], paint), invisible) in
8200 invisible_iter.zip_eq(self.invisibles.iter())
8201 {
8202 let should_render = match (&last_seen, invisible) {
8203 (_, Invisible::Tab { .. }) => true,
8204 (Some((_, last_end, _)), _) => *last_end == start,
8205 _ => false,
8206 };
8207
8208 if should_render || start == 0 || end == self.len {
8209 paint(window, cx);
8210
8211 // Since we are scanning from the left, we will skip over the first available whitespace that is part
8212 // of a boundary between non-whitespace segments, so we correct by manually redrawing it if needed.
8213 if let Some((should_render_last, last_end, paint_last)) = last_seen {
8214 // Note that we need to make sure that the last one is actually adjacent
8215 if !should_render_last && last_end == start {
8216 paint_last(window, cx);
8217 }
8218 }
8219 }
8220
8221 // Manually render anything within a selection
8222 let invisible_point = DisplayPoint::new(row, start as u32);
8223 if selection_ranges.iter().any(|region| {
8224 region.start <= invisible_point && invisible_point < region.end
8225 }) {
8226 paint(window, cx);
8227 }
8228
8229 last_seen = Some((should_render, end, paint));
8230 }
8231 }
8232 }
8233 }
8234
8235 pub fn x_for_index(&self, index: usize) -> Pixels {
8236 let mut fragment_start_x = Pixels::ZERO;
8237 let mut fragment_start_index = 0;
8238
8239 for fragment in &self.fragments {
8240 match fragment {
8241 LineFragment::Text(shaped_line) => {
8242 let fragment_end_index = fragment_start_index + shaped_line.len;
8243 if index < fragment_end_index {
8244 return fragment_start_x
8245 + shaped_line.x_for_index(index - fragment_start_index);
8246 }
8247 fragment_start_x += shaped_line.width;
8248 fragment_start_index = fragment_end_index;
8249 }
8250 LineFragment::Element { len, size, .. } => {
8251 let fragment_end_index = fragment_start_index + len;
8252 if index < fragment_end_index {
8253 return fragment_start_x;
8254 }
8255 fragment_start_x += size.width;
8256 fragment_start_index = fragment_end_index;
8257 }
8258 }
8259 }
8260
8261 fragment_start_x
8262 }
8263
8264 pub fn index_for_x(&self, x: Pixels) -> Option<usize> {
8265 let mut fragment_start_x = Pixels::ZERO;
8266 let mut fragment_start_index = 0;
8267
8268 for fragment in &self.fragments {
8269 match fragment {
8270 LineFragment::Text(shaped_line) => {
8271 let fragment_end_x = fragment_start_x + shaped_line.width;
8272 if x < fragment_end_x {
8273 return Some(
8274 fragment_start_index + shaped_line.index_for_x(x - fragment_start_x)?,
8275 );
8276 }
8277 fragment_start_x = fragment_end_x;
8278 fragment_start_index += shaped_line.len;
8279 }
8280 LineFragment::Element { len, size, .. } => {
8281 let fragment_end_x = fragment_start_x + size.width;
8282 if x < fragment_end_x {
8283 return Some(fragment_start_index);
8284 }
8285 fragment_start_index += len;
8286 fragment_start_x = fragment_end_x;
8287 }
8288 }
8289 }
8290
8291 None
8292 }
8293
8294 pub fn font_id_for_index(&self, index: usize) -> Option<FontId> {
8295 let mut fragment_start_index = 0;
8296
8297 for fragment in &self.fragments {
8298 match fragment {
8299 LineFragment::Text(shaped_line) => {
8300 let fragment_end_index = fragment_start_index + shaped_line.len;
8301 if index < fragment_end_index {
8302 return shaped_line.font_id_for_index(index - fragment_start_index);
8303 }
8304 fragment_start_index = fragment_end_index;
8305 }
8306 LineFragment::Element { len, .. } => {
8307 let fragment_end_index = fragment_start_index + len;
8308 if index < fragment_end_index {
8309 return None;
8310 }
8311 fragment_start_index = fragment_end_index;
8312 }
8313 }
8314 }
8315
8316 None
8317 }
8318}
8319
8320#[derive(Debug, Clone, Copy, PartialEq, Eq)]
8321enum Invisible {
8322 /// A tab character
8323 ///
8324 /// A tab character is internally represented by spaces (configured by the user's tab width)
8325 /// aligned to the nearest column, so it's necessary to store the start and end offset for
8326 /// adjacency checks.
8327 Tab {
8328 line_start_offset: usize,
8329 line_end_offset: usize,
8330 },
8331 Whitespace {
8332 line_offset: usize,
8333 },
8334}
8335
8336impl EditorElement {
8337 /// Returns the rem size to use when rendering the [`EditorElement`].
8338 ///
8339 /// This allows UI elements to scale based on the `buffer_font_size`.
8340 fn rem_size(&self, cx: &mut App) -> Option<Pixels> {
8341 match self.editor.read(cx).mode {
8342 EditorMode::Full {
8343 scale_ui_elements_with_buffer_font_size: true,
8344 ..
8345 }
8346 | EditorMode::Minimap { .. } => {
8347 let buffer_font_size = self.style.text.font_size;
8348 match buffer_font_size {
8349 AbsoluteLength::Pixels(pixels) => {
8350 let rem_size_scale = {
8351 // Our default UI font size is 14px on a 16px base scale.
8352 // This means the default UI font size is 0.875rems.
8353 let default_font_size_scale = 14. / ui::BASE_REM_SIZE_IN_PX;
8354
8355 // We then determine the delta between a single rem and the default font
8356 // size scale.
8357 let default_font_size_delta = 1. - default_font_size_scale;
8358
8359 // Finally, we add this delta to 1rem to get the scale factor that
8360 // should be used to scale up the UI.
8361 1. + default_font_size_delta
8362 };
8363
8364 Some(pixels * rem_size_scale)
8365 }
8366 AbsoluteLength::Rems(rems) => {
8367 Some(rems.to_pixels(ui::BASE_REM_SIZE_IN_PX.into()))
8368 }
8369 }
8370 }
8371 // We currently use single-line and auto-height editors in UI contexts,
8372 // so we don't want to scale everything with the buffer font size, as it
8373 // ends up looking off.
8374 _ => None,
8375 }
8376 }
8377
8378 fn editor_with_selections(&self, cx: &App) -> Option<Entity<Editor>> {
8379 if let EditorMode::Minimap { parent } = self.editor.read(cx).mode() {
8380 parent.upgrade()
8381 } else {
8382 Some(self.editor.clone())
8383 }
8384 }
8385}
8386
8387impl Element for EditorElement {
8388 type RequestLayoutState = ();
8389 type PrepaintState = EditorLayout;
8390
8391 fn id(&self) -> Option<ElementId> {
8392 None
8393 }
8394
8395 fn source_location(&self) -> Option<&'static core::panic::Location<'static>> {
8396 None
8397 }
8398
8399 fn request_layout(
8400 &mut self,
8401 _: Option<&GlobalElementId>,
8402 _inspector_id: Option<&gpui::InspectorElementId>,
8403 window: &mut Window,
8404 cx: &mut App,
8405 ) -> (gpui::LayoutId, ()) {
8406 let rem_size = self.rem_size(cx);
8407 window.with_rem_size(rem_size, |window| {
8408 self.editor.update(cx, |editor, cx| {
8409 editor.set_style(self.style.clone(), window, cx);
8410
8411 let layout_id = match editor.mode {
8412 EditorMode::SingleLine => {
8413 let rem_size = window.rem_size();
8414 let height = self.style.text.line_height_in_pixels(rem_size);
8415 let mut style = Style::default();
8416 style.size.height = height.into();
8417 style.size.width = relative(1.).into();
8418 window.request_layout(style, None, cx)
8419 }
8420 EditorMode::AutoHeight {
8421 min_lines,
8422 max_lines,
8423 } => {
8424 let editor_handle = cx.entity();
8425 let max_line_number_width =
8426 self.max_line_number_width(&editor.snapshot(window, cx), window);
8427 window.request_measured_layout(
8428 Style::default(),
8429 move |known_dimensions, available_space, window, cx| {
8430 editor_handle
8431 .update(cx, |editor, cx| {
8432 compute_auto_height_layout(
8433 editor,
8434 min_lines,
8435 max_lines,
8436 max_line_number_width,
8437 known_dimensions,
8438 available_space.width,
8439 window,
8440 cx,
8441 )
8442 })
8443 .unwrap_or_default()
8444 },
8445 )
8446 }
8447 EditorMode::Minimap { .. } => {
8448 let mut style = Style::default();
8449 style.size.width = relative(1.).into();
8450 style.size.height = relative(1.).into();
8451 window.request_layout(style, None, cx)
8452 }
8453 EditorMode::Full {
8454 sized_by_content, ..
8455 } => {
8456 let mut style = Style::default();
8457 style.size.width = relative(1.).into();
8458 if sized_by_content {
8459 let snapshot = editor.snapshot(window, cx);
8460 let line_height =
8461 self.style.text.line_height_in_pixels(window.rem_size());
8462 let scroll_height =
8463 (snapshot.max_point().row().next_row().0 as f32) * line_height;
8464 style.size.height = scroll_height.into();
8465 } else {
8466 style.size.height = relative(1.).into();
8467 }
8468 window.request_layout(style, None, cx)
8469 }
8470 };
8471
8472 (layout_id, ())
8473 })
8474 })
8475 }
8476
8477 fn prepaint(
8478 &mut self,
8479 _: Option<&GlobalElementId>,
8480 _inspector_id: Option<&gpui::InspectorElementId>,
8481 bounds: Bounds<Pixels>,
8482 _: &mut Self::RequestLayoutState,
8483 window: &mut Window,
8484 cx: &mut App,
8485 ) -> Self::PrepaintState {
8486 let text_style = TextStyleRefinement {
8487 font_size: Some(self.style.text.font_size),
8488 line_height: Some(self.style.text.line_height),
8489 ..Default::default()
8490 };
8491
8492 let is_minimap = self.editor.read(cx).mode.is_minimap();
8493
8494 if !is_minimap {
8495 let focus_handle = self.editor.focus_handle(cx);
8496 window.set_view_id(self.editor.entity_id());
8497 window.set_focus_handle(&focus_handle, cx);
8498 }
8499
8500 let rem_size = self.rem_size(cx);
8501 window.with_rem_size(rem_size, |window| {
8502 window.with_text_style(Some(text_style), |window| {
8503 window.with_content_mask(Some(ContentMask { bounds }), |window| {
8504 let (mut snapshot, is_read_only) = self.editor.update(cx, |editor, cx| {
8505 (editor.snapshot(window, cx), editor.read_only(cx))
8506 });
8507 let style = &self.style;
8508
8509 let rem_size = window.rem_size();
8510 let font_id = window.text_system().resolve_font(&style.text.font());
8511 let font_size = style.text.font_size.to_pixels(rem_size);
8512 let line_height = style.text.line_height_in_pixels(rem_size);
8513 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
8514 let em_advance = window.text_system().em_advance(font_id, font_size).unwrap();
8515 let glyph_grid_cell = size(em_advance, line_height);
8516
8517 let gutter_dimensions = snapshot
8518 .gutter_dimensions(
8519 font_id,
8520 font_size,
8521 self.max_line_number_width(&snapshot, window),
8522 cx,
8523 )
8524 .or_else(|| {
8525 self.editor.read(cx).offset_content.then(|| {
8526 GutterDimensions::default_with_margin(font_id, font_size, cx)
8527 })
8528 })
8529 .unwrap_or_default();
8530 let text_width = bounds.size.width - gutter_dimensions.width;
8531
8532 let settings = EditorSettings::get_global(cx);
8533 let scrollbars_shown = settings.scrollbar.show != ShowScrollbar::Never;
8534 let vertical_scrollbar_width = (scrollbars_shown
8535 && settings.scrollbar.axes.vertical
8536 && self.editor.read(cx).show_scrollbars.vertical)
8537 .then_some(style.scrollbar_width)
8538 .unwrap_or_default();
8539 let minimap_width = self
8540 .get_minimap_width(
8541 &settings.minimap,
8542 scrollbars_shown,
8543 text_width,
8544 em_width,
8545 font_size,
8546 rem_size,
8547 cx,
8548 )
8549 .unwrap_or_default();
8550
8551 let right_margin = minimap_width + vertical_scrollbar_width;
8552
8553 let editor_width =
8554 text_width - gutter_dimensions.margin - 2 * em_width - right_margin;
8555 let editor_margins = EditorMargins {
8556 gutter: gutter_dimensions,
8557 right: right_margin,
8558 };
8559
8560 snapshot = self.editor.update(cx, |editor, cx| {
8561 editor.last_bounds = Some(bounds);
8562 editor.gutter_dimensions = gutter_dimensions;
8563 editor.set_visible_line_count(
8564 (bounds.size.height / line_height) as f64,
8565 window,
8566 cx,
8567 );
8568 editor.set_visible_column_count(f64::from(editor_width / em_advance));
8569
8570 if matches!(
8571 editor.mode,
8572 EditorMode::AutoHeight { .. } | EditorMode::Minimap { .. }
8573 ) {
8574 snapshot
8575 } else {
8576 let wrap_width_for = |column: u32| (column as f32 * em_advance).ceil();
8577 let wrap_width = match editor.soft_wrap_mode(cx) {
8578 SoftWrap::GitDiff => None,
8579 SoftWrap::None => Some(wrap_width_for(MAX_LINE_LEN as u32 / 2)),
8580 SoftWrap::EditorWidth => Some(editor_width),
8581 SoftWrap::Column(column) => Some(wrap_width_for(column)),
8582 SoftWrap::Bounded(column) => {
8583 Some(editor_width.min(wrap_width_for(column)))
8584 }
8585 };
8586
8587 if editor.set_wrap_width(wrap_width, cx) {
8588 editor.snapshot(window, cx)
8589 } else {
8590 snapshot
8591 }
8592 }
8593 });
8594
8595 let hitbox = window.insert_hitbox(bounds, HitboxBehavior::Normal);
8596 let gutter_hitbox = window.insert_hitbox(
8597 gutter_bounds(bounds, gutter_dimensions),
8598 HitboxBehavior::Normal,
8599 );
8600 let text_hitbox = window.insert_hitbox(
8601 Bounds {
8602 origin: gutter_hitbox.top_right(),
8603 size: size(text_width, bounds.size.height),
8604 },
8605 HitboxBehavior::Normal,
8606 );
8607
8608 // Offset the content_bounds from the text_bounds by the gutter margin (which
8609 // is roughly half a character wide) to make hit testing work more like how we want.
8610 let content_offset = point(editor_margins.gutter.margin, Pixels::ZERO);
8611 let content_origin = text_hitbox.origin + content_offset;
8612
8613 let height_in_lines = f64::from(bounds.size.height / line_height);
8614 let max_row = snapshot.max_point().row().as_f64();
8615
8616 // The max scroll position for the top of the window
8617 let max_scroll_top = if matches!(
8618 snapshot.mode,
8619 EditorMode::SingleLine
8620 | EditorMode::AutoHeight { .. }
8621 | EditorMode::Full {
8622 sized_by_content: true,
8623 ..
8624 }
8625 ) {
8626 (max_row - height_in_lines + 1.).max(0.)
8627 } else {
8628 let settings = EditorSettings::get_global(cx);
8629 match settings.scroll_beyond_last_line {
8630 ScrollBeyondLastLine::OnePage => max_row,
8631 ScrollBeyondLastLine::Off => (max_row - height_in_lines + 1.).max(0.),
8632 ScrollBeyondLastLine::VerticalScrollMargin => {
8633 (max_row - height_in_lines + 1. + settings.vertical_scroll_margin)
8634 .max(0.)
8635 }
8636 }
8637 };
8638
8639 let (
8640 autoscroll_request,
8641 autoscroll_containing_element,
8642 needs_horizontal_autoscroll,
8643 ) = self.editor.update(cx, |editor, cx| {
8644 let autoscroll_request = editor.scroll_manager.take_autoscroll_request();
8645
8646 let autoscroll_containing_element =
8647 autoscroll_request.is_some() || editor.has_pending_selection();
8648
8649 let (needs_horizontal_autoscroll, was_scrolled) = editor
8650 .autoscroll_vertically(
8651 bounds,
8652 line_height,
8653 max_scroll_top,
8654 autoscroll_request,
8655 window,
8656 cx,
8657 );
8658 if was_scrolled.0 {
8659 snapshot = editor.snapshot(window, cx);
8660 }
8661 (
8662 autoscroll_request,
8663 autoscroll_containing_element,
8664 needs_horizontal_autoscroll,
8665 )
8666 });
8667
8668 let mut scroll_position = snapshot.scroll_position();
8669 // The scroll position is a fractional point, the whole number of which represents
8670 // the top of the window in terms of display rows.
8671 let start_row = DisplayRow(scroll_position.y as u32);
8672 let max_row = snapshot.max_point().row();
8673 let end_row = cmp::min(
8674 (scroll_position.y + height_in_lines).ceil() as u32,
8675 max_row.next_row().0,
8676 );
8677 let end_row = DisplayRow(end_row);
8678
8679 let row_infos = snapshot
8680 .row_infos(start_row)
8681 .take((start_row..end_row).len())
8682 .collect::<Vec<RowInfo>>();
8683 let is_row_soft_wrapped = |row: usize| {
8684 row_infos
8685 .get(row)
8686 .is_none_or(|info| info.buffer_row.is_none())
8687 };
8688
8689 let start_anchor = if start_row == Default::default() {
8690 Anchor::min()
8691 } else {
8692 snapshot.buffer_snapshot().anchor_before(
8693 DisplayPoint::new(start_row, 0).to_offset(&snapshot, Bias::Left),
8694 )
8695 };
8696 let end_anchor = if end_row > max_row {
8697 Anchor::max()
8698 } else {
8699 snapshot.buffer_snapshot().anchor_before(
8700 DisplayPoint::new(end_row, 0).to_offset(&snapshot, Bias::Right),
8701 )
8702 };
8703
8704 let mut highlighted_rows = self
8705 .editor
8706 .update(cx, |editor, cx| editor.highlighted_display_rows(window, cx));
8707
8708 let is_light = cx.theme().appearance().is_light();
8709
8710 for (ix, row_info) in row_infos.iter().enumerate() {
8711 let Some(diff_status) = row_info.diff_status else {
8712 continue;
8713 };
8714
8715 let background_color = match diff_status.kind {
8716 DiffHunkStatusKind::Added => cx.theme().colors().version_control_added,
8717 DiffHunkStatusKind::Deleted => {
8718 cx.theme().colors().version_control_deleted
8719 }
8720 DiffHunkStatusKind::Modified => {
8721 debug_panic!("modified diff status for row info");
8722 continue;
8723 }
8724 };
8725
8726 let hunk_opacity = if is_light { 0.16 } else { 0.12 };
8727
8728 let hollow_highlight = LineHighlight {
8729 background: (background_color.opacity(if is_light {
8730 0.08
8731 } else {
8732 0.06
8733 }))
8734 .into(),
8735 border: Some(if is_light {
8736 background_color.opacity(0.48)
8737 } else {
8738 background_color.opacity(0.36)
8739 }),
8740 include_gutter: true,
8741 type_id: None,
8742 };
8743
8744 let filled_highlight = LineHighlight {
8745 background: solid_background(background_color.opacity(hunk_opacity)),
8746 border: None,
8747 include_gutter: true,
8748 type_id: None,
8749 };
8750
8751 let background = if Self::diff_hunk_hollow(diff_status, cx) {
8752 hollow_highlight
8753 } else {
8754 filled_highlight
8755 };
8756
8757 highlighted_rows
8758 .entry(start_row + DisplayRow(ix as u32))
8759 .or_insert(background);
8760 }
8761
8762 let highlighted_ranges = self
8763 .editor_with_selections(cx)
8764 .map(|editor| {
8765 editor.read(cx).background_highlights_in_range(
8766 start_anchor..end_anchor,
8767 &snapshot.display_snapshot,
8768 cx.theme(),
8769 )
8770 })
8771 .unwrap_or_default();
8772 let highlighted_gutter_ranges =
8773 self.editor.read(cx).gutter_highlights_in_range(
8774 start_anchor..end_anchor,
8775 &snapshot.display_snapshot,
8776 cx,
8777 );
8778
8779 let document_colors = self
8780 .editor
8781 .read(cx)
8782 .colors
8783 .as_ref()
8784 .map(|colors| colors.editor_display_highlights(&snapshot));
8785 let redacted_ranges = self.editor.read(cx).redacted_ranges(
8786 start_anchor..end_anchor,
8787 &snapshot.display_snapshot,
8788 cx,
8789 );
8790
8791 let (local_selections, selected_buffer_ids): (
8792 Vec<Selection<Point>>,
8793 Vec<BufferId>,
8794 ) = self
8795 .editor_with_selections(cx)
8796 .map(|editor| {
8797 editor.update(cx, |editor, cx| {
8798 let all_selections =
8799 editor.selections.all::<Point>(&snapshot.display_snapshot);
8800 let selected_buffer_ids =
8801 if editor.buffer_kind(cx) == ItemBufferKind::Singleton {
8802 Vec::new()
8803 } else {
8804 let mut selected_buffer_ids =
8805 Vec::with_capacity(all_selections.len());
8806
8807 for selection in all_selections {
8808 for buffer_id in snapshot
8809 .buffer_snapshot()
8810 .buffer_ids_for_range(selection.range())
8811 {
8812 if selected_buffer_ids.last() != Some(&buffer_id) {
8813 selected_buffer_ids.push(buffer_id);
8814 }
8815 }
8816 }
8817
8818 selected_buffer_ids
8819 };
8820
8821 let mut selections = editor.selections.disjoint_in_range(
8822 start_anchor..end_anchor,
8823 &snapshot.display_snapshot,
8824 );
8825 selections
8826 .extend(editor.selections.pending(&snapshot.display_snapshot));
8827
8828 (selections, selected_buffer_ids)
8829 })
8830 })
8831 .unwrap_or_default();
8832
8833 let (selections, mut active_rows, newest_selection_head) = self
8834 .layout_selections(
8835 start_anchor,
8836 end_anchor,
8837 &local_selections,
8838 &snapshot,
8839 start_row,
8840 end_row,
8841 window,
8842 cx,
8843 );
8844 let mut breakpoint_rows = self.editor.update(cx, |editor, cx| {
8845 editor.active_breakpoints(start_row..end_row, window, cx)
8846 });
8847 for (display_row, (_, bp, state)) in &breakpoint_rows {
8848 if bp.is_enabled() && state.is_none_or(|s| s.verified) {
8849 active_rows.entry(*display_row).or_default().breakpoint = true;
8850 }
8851 }
8852
8853 let line_numbers = self.layout_line_numbers(
8854 Some(&gutter_hitbox),
8855 gutter_dimensions,
8856 line_height,
8857 scroll_position,
8858 start_row..end_row,
8859 &row_infos,
8860 &active_rows,
8861 newest_selection_head,
8862 &snapshot,
8863 window,
8864 cx,
8865 );
8866
8867 // We add the gutter breakpoint indicator to breakpoint_rows after painting
8868 // line numbers so we don't paint a line number debug accent color if a user
8869 // has their mouse over that line when a breakpoint isn't there
8870 self.editor.update(cx, |editor, _| {
8871 if let Some(phantom_breakpoint) = &mut editor
8872 .gutter_breakpoint_indicator
8873 .0
8874 .filter(|phantom_breakpoint| phantom_breakpoint.is_active)
8875 {
8876 // Is there a non-phantom breakpoint on this line?
8877 phantom_breakpoint.collides_with_existing_breakpoint = true;
8878 breakpoint_rows
8879 .entry(phantom_breakpoint.display_row)
8880 .or_insert_with(|| {
8881 let position = snapshot.display_point_to_anchor(
8882 DisplayPoint::new(phantom_breakpoint.display_row, 0),
8883 Bias::Right,
8884 );
8885 let breakpoint = Breakpoint::new_standard();
8886 phantom_breakpoint.collides_with_existing_breakpoint = false;
8887 (position, breakpoint, None)
8888 });
8889 }
8890 });
8891
8892 let mut expand_toggles =
8893 window.with_element_namespace("expand_toggles", |window| {
8894 self.layout_expand_toggles(
8895 &gutter_hitbox,
8896 gutter_dimensions,
8897 em_width,
8898 line_height,
8899 scroll_position,
8900 &row_infos,
8901 window,
8902 cx,
8903 )
8904 });
8905
8906 let mut crease_toggles =
8907 window.with_element_namespace("crease_toggles", |window| {
8908 self.layout_crease_toggles(
8909 start_row..end_row,
8910 &row_infos,
8911 &active_rows,
8912 &snapshot,
8913 window,
8914 cx,
8915 )
8916 });
8917 let crease_trailers =
8918 window.with_element_namespace("crease_trailers", |window| {
8919 self.layout_crease_trailers(
8920 row_infos.iter().copied(),
8921 &snapshot,
8922 window,
8923 cx,
8924 )
8925 });
8926
8927 let display_hunks = self.layout_gutter_diff_hunks(
8928 line_height,
8929 &gutter_hitbox,
8930 start_row..end_row,
8931 &snapshot,
8932 window,
8933 cx,
8934 );
8935
8936 let bg_segments_per_row = Self::bg_segments_per_row(
8937 start_row..end_row,
8938 &selections,
8939 &highlighted_ranges,
8940 self.style.background,
8941 );
8942
8943 let mut line_layouts = Self::layout_lines(
8944 start_row..end_row,
8945 &snapshot,
8946 &self.style,
8947 editor_width,
8948 is_row_soft_wrapped,
8949 &bg_segments_per_row,
8950 window,
8951 cx,
8952 );
8953 let new_renderer_widths = (!is_minimap).then(|| {
8954 line_layouts
8955 .iter()
8956 .flat_map(|layout| &layout.fragments)
8957 .filter_map(|fragment| {
8958 if let LineFragment::Element { id, size, .. } = fragment {
8959 Some((*id, size.width))
8960 } else {
8961 None
8962 }
8963 })
8964 });
8965 if new_renderer_widths.is_some_and(|new_renderer_widths| {
8966 self.editor.update(cx, |editor, cx| {
8967 editor.update_renderer_widths(new_renderer_widths, cx)
8968 })
8969 }) {
8970 // If the fold widths have changed, we need to prepaint
8971 // the element again to account for any changes in
8972 // wrapping.
8973 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
8974 }
8975
8976 let longest_line_blame_width = self
8977 .editor
8978 .update(cx, |editor, cx| {
8979 if !editor.show_git_blame_inline {
8980 return None;
8981 }
8982 let blame = editor.blame.as_ref()?;
8983 let (_, blame_entry) = blame
8984 .update(cx, |blame, cx| {
8985 let row_infos =
8986 snapshot.row_infos(snapshot.longest_row()).next()?;
8987 blame.blame_for_rows(&[row_infos], cx).next()
8988 })
8989 .flatten()?;
8990 let mut element = render_inline_blame_entry(blame_entry, style, cx)?;
8991 let inline_blame_padding =
8992 ProjectSettings::get_global(cx).git.inline_blame.padding as f32
8993 * em_advance;
8994 Some(
8995 element
8996 .layout_as_root(AvailableSpace::min_size(), window, cx)
8997 .width
8998 + inline_blame_padding,
8999 )
9000 })
9001 .unwrap_or(Pixels::ZERO);
9002
9003 let longest_line_width = layout_line(
9004 snapshot.longest_row(),
9005 &snapshot,
9006 style,
9007 editor_width,
9008 is_row_soft_wrapped,
9009 window,
9010 cx,
9011 )
9012 .width;
9013
9014 let scrollbar_layout_information = ScrollbarLayoutInformation::new(
9015 text_hitbox.bounds,
9016 glyph_grid_cell,
9017 size(
9018 longest_line_width,
9019 Pixels::from(max_row.as_f64() * f64::from(line_height)),
9020 ),
9021 longest_line_blame_width,
9022 EditorSettings::get_global(cx),
9023 );
9024
9025 let mut scroll_width = scrollbar_layout_information.scroll_range.width;
9026
9027 let sticky_header_excerpt = if snapshot.buffer_snapshot().show_headers() {
9028 snapshot.sticky_header_excerpt(scroll_position.y)
9029 } else {
9030 None
9031 };
9032 let sticky_header_excerpt_id =
9033 sticky_header_excerpt.as_ref().map(|top| top.excerpt.id);
9034
9035 let blocks = (!is_minimap)
9036 .then(|| {
9037 window.with_element_namespace("blocks", |window| {
9038 self.render_blocks(
9039 start_row..end_row,
9040 &snapshot,
9041 &hitbox,
9042 &text_hitbox,
9043 editor_width,
9044 &mut scroll_width,
9045 &editor_margins,
9046 em_width,
9047 gutter_dimensions.full_width(),
9048 line_height,
9049 &mut line_layouts,
9050 &local_selections,
9051 &selected_buffer_ids,
9052 is_row_soft_wrapped,
9053 sticky_header_excerpt_id,
9054 window,
9055 cx,
9056 )
9057 })
9058 })
9059 .unwrap_or_else(|| Ok((Vec::default(), HashMap::default())));
9060 let (mut blocks, row_block_types) = match blocks {
9061 Ok(blocks) => blocks,
9062 Err(resized_blocks) => {
9063 self.editor.update(cx, |editor, cx| {
9064 editor.resize_blocks(
9065 resized_blocks,
9066 autoscroll_request.map(|(autoscroll, _)| autoscroll),
9067 cx,
9068 )
9069 });
9070 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
9071 }
9072 };
9073
9074 let sticky_buffer_header = sticky_header_excerpt.map(|sticky_header_excerpt| {
9075 window.with_element_namespace("blocks", |window| {
9076 self.layout_sticky_buffer_header(
9077 sticky_header_excerpt,
9078 scroll_position,
9079 line_height,
9080 right_margin,
9081 &snapshot,
9082 &hitbox,
9083 &selected_buffer_ids,
9084 &blocks,
9085 window,
9086 cx,
9087 )
9088 })
9089 });
9090
9091 let start_buffer_row =
9092 MultiBufferRow(start_anchor.to_point(&snapshot.buffer_snapshot()).row);
9093 let end_buffer_row =
9094 MultiBufferRow(end_anchor.to_point(&snapshot.buffer_snapshot()).row);
9095
9096 let scroll_max: gpui::Point<ScrollPixelOffset> = point(
9097 ScrollPixelOffset::from(
9098 ((scroll_width - editor_width) / em_advance).max(0.0),
9099 ),
9100 max_scroll_top,
9101 );
9102
9103 self.editor.update(cx, |editor, cx| {
9104 if editor.scroll_manager.clamp_scroll_left(scroll_max.x) {
9105 scroll_position.x = scroll_position.x.min(scroll_max.x);
9106 }
9107
9108 if needs_horizontal_autoscroll.0
9109 && let Some(new_scroll_position) = editor.autoscroll_horizontally(
9110 start_row,
9111 editor_width,
9112 scroll_width,
9113 em_advance,
9114 &line_layouts,
9115 autoscroll_request,
9116 window,
9117 cx,
9118 )
9119 {
9120 scroll_position = new_scroll_position;
9121 }
9122 });
9123
9124 let scroll_pixel_position = point(
9125 scroll_position.x * f64::from(em_advance),
9126 scroll_position.y * f64::from(line_height),
9127 );
9128 let indent_guides = self.layout_indent_guides(
9129 content_origin,
9130 text_hitbox.origin,
9131 start_buffer_row..end_buffer_row,
9132 scroll_pixel_position,
9133 line_height,
9134 &snapshot,
9135 window,
9136 cx,
9137 );
9138
9139 let crease_trailers =
9140 window.with_element_namespace("crease_trailers", |window| {
9141 self.prepaint_crease_trailers(
9142 crease_trailers,
9143 &line_layouts,
9144 line_height,
9145 content_origin,
9146 scroll_pixel_position,
9147 em_width,
9148 window,
9149 cx,
9150 )
9151 });
9152
9153 let (edit_prediction_popover, edit_prediction_popover_origin) = self
9154 .editor
9155 .update(cx, |editor, cx| {
9156 editor.render_edit_prediction_popover(
9157 &text_hitbox.bounds,
9158 content_origin,
9159 right_margin,
9160 &snapshot,
9161 start_row..end_row,
9162 scroll_position.y,
9163 scroll_position.y + height_in_lines,
9164 &line_layouts,
9165 line_height,
9166 scroll_position,
9167 scroll_pixel_position,
9168 newest_selection_head,
9169 editor_width,
9170 style,
9171 window,
9172 cx,
9173 )
9174 })
9175 .unzip();
9176
9177 let mut inline_diagnostics = self.layout_inline_diagnostics(
9178 &line_layouts,
9179 &crease_trailers,
9180 &row_block_types,
9181 content_origin,
9182 scroll_position,
9183 scroll_pixel_position,
9184 edit_prediction_popover_origin,
9185 start_row,
9186 end_row,
9187 line_height,
9188 em_width,
9189 style,
9190 window,
9191 cx,
9192 );
9193
9194 let mut inline_blame_layout = None;
9195 let mut inline_code_actions = None;
9196 if let Some(newest_selection_head) = newest_selection_head {
9197 let display_row = newest_selection_head.row();
9198 if (start_row..end_row).contains(&display_row)
9199 && !row_block_types.contains_key(&display_row)
9200 {
9201 inline_code_actions = self.layout_inline_code_actions(
9202 newest_selection_head,
9203 content_origin,
9204 scroll_position,
9205 scroll_pixel_position,
9206 line_height,
9207 &snapshot,
9208 window,
9209 cx,
9210 );
9211
9212 let line_ix = display_row.minus(start_row) as usize;
9213 if let (Some(row_info), Some(line_layout), Some(crease_trailer)) = (
9214 row_infos.get(line_ix),
9215 line_layouts.get(line_ix),
9216 crease_trailers.get(line_ix),
9217 ) {
9218 let crease_trailer_layout = crease_trailer.as_ref();
9219 if let Some(layout) = self.layout_inline_blame(
9220 display_row,
9221 row_info,
9222 line_layout,
9223 crease_trailer_layout,
9224 em_width,
9225 content_origin,
9226 scroll_position,
9227 scroll_pixel_position,
9228 line_height,
9229 &text_hitbox,
9230 window,
9231 cx,
9232 ) {
9233 inline_blame_layout = Some(layout);
9234 // Blame overrides inline diagnostics
9235 inline_diagnostics.remove(&display_row);
9236 }
9237 } else {
9238 log::error!(
9239 "bug: line_ix {} is out of bounds - row_infos.len(): {}, \
9240 line_layouts.len(): {}, \
9241 crease_trailers.len(): {}",
9242 line_ix,
9243 row_infos.len(),
9244 line_layouts.len(),
9245 crease_trailers.len(),
9246 );
9247 }
9248 }
9249 }
9250
9251 let blamed_display_rows = self.layout_blame_entries(
9252 &row_infos,
9253 em_width,
9254 scroll_position,
9255 line_height,
9256 &gutter_hitbox,
9257 gutter_dimensions.git_blame_entries_width,
9258 window,
9259 cx,
9260 );
9261
9262 let line_elements = self.prepaint_lines(
9263 start_row,
9264 &mut line_layouts,
9265 line_height,
9266 scroll_position,
9267 scroll_pixel_position,
9268 content_origin,
9269 window,
9270 cx,
9271 );
9272
9273 window.with_element_namespace("blocks", |window| {
9274 self.layout_blocks(
9275 &mut blocks,
9276 &hitbox,
9277 line_height,
9278 scroll_position,
9279 scroll_pixel_position,
9280 window,
9281 cx,
9282 );
9283 });
9284
9285 let cursors = self.collect_cursors(&snapshot, cx);
9286 let visible_row_range = start_row..end_row;
9287 let non_visible_cursors = cursors
9288 .iter()
9289 .any(|c| !visible_row_range.contains(&c.0.row()));
9290
9291 let visible_cursors = self.layout_visible_cursors(
9292 &snapshot,
9293 &selections,
9294 &row_block_types,
9295 start_row..end_row,
9296 &line_layouts,
9297 &text_hitbox,
9298 content_origin,
9299 scroll_position,
9300 scroll_pixel_position,
9301 line_height,
9302 em_width,
9303 em_advance,
9304 autoscroll_containing_element,
9305 window,
9306 cx,
9307 );
9308
9309 let scrollbars_layout = self.layout_scrollbars(
9310 &snapshot,
9311 &scrollbar_layout_information,
9312 content_offset,
9313 scroll_position,
9314 non_visible_cursors,
9315 right_margin,
9316 editor_width,
9317 window,
9318 cx,
9319 );
9320
9321 let gutter_settings = EditorSettings::get_global(cx).gutter;
9322
9323 let context_menu_layout =
9324 if let Some(newest_selection_head) = newest_selection_head {
9325 let newest_selection_point =
9326 newest_selection_head.to_point(&snapshot.display_snapshot);
9327 if (start_row..end_row).contains(&newest_selection_head.row()) {
9328 self.layout_cursor_popovers(
9329 line_height,
9330 &text_hitbox,
9331 content_origin,
9332 right_margin,
9333 start_row,
9334 scroll_pixel_position,
9335 &line_layouts,
9336 newest_selection_head,
9337 newest_selection_point,
9338 style,
9339 window,
9340 cx,
9341 )
9342 } else {
9343 None
9344 }
9345 } else {
9346 None
9347 };
9348
9349 self.layout_gutter_menu(
9350 line_height,
9351 &text_hitbox,
9352 content_origin,
9353 right_margin,
9354 scroll_pixel_position,
9355 gutter_dimensions.width - gutter_dimensions.left_padding,
9356 window,
9357 cx,
9358 );
9359
9360 let test_indicators = if gutter_settings.runnables {
9361 self.layout_run_indicators(
9362 line_height,
9363 start_row..end_row,
9364 &row_infos,
9365 scroll_position,
9366 &gutter_dimensions,
9367 &gutter_hitbox,
9368 &display_hunks,
9369 &snapshot,
9370 &mut breakpoint_rows,
9371 window,
9372 cx,
9373 )
9374 } else {
9375 Vec::new()
9376 };
9377
9378 let show_breakpoints = snapshot
9379 .show_breakpoints
9380 .unwrap_or(gutter_settings.breakpoints);
9381 let breakpoints = if show_breakpoints {
9382 self.layout_breakpoints(
9383 line_height,
9384 start_row..end_row,
9385 scroll_position,
9386 &gutter_dimensions,
9387 &gutter_hitbox,
9388 &display_hunks,
9389 &snapshot,
9390 breakpoint_rows,
9391 &row_infos,
9392 window,
9393 cx,
9394 )
9395 } else {
9396 Vec::new()
9397 };
9398
9399 self.layout_signature_help(
9400 &hitbox,
9401 content_origin,
9402 scroll_pixel_position,
9403 newest_selection_head,
9404 start_row,
9405 &line_layouts,
9406 line_height,
9407 em_width,
9408 context_menu_layout,
9409 window,
9410 cx,
9411 );
9412
9413 if !cx.has_active_drag() {
9414 self.layout_hover_popovers(
9415 &snapshot,
9416 &hitbox,
9417 start_row..end_row,
9418 content_origin,
9419 scroll_pixel_position,
9420 &line_layouts,
9421 line_height,
9422 em_width,
9423 context_menu_layout,
9424 window,
9425 cx,
9426 );
9427 }
9428
9429 let mouse_context_menu = self.layout_mouse_context_menu(
9430 &snapshot,
9431 start_row..end_row,
9432 content_origin,
9433 window,
9434 cx,
9435 );
9436
9437 window.with_element_namespace("crease_toggles", |window| {
9438 self.prepaint_crease_toggles(
9439 &mut crease_toggles,
9440 line_height,
9441 &gutter_dimensions,
9442 gutter_settings,
9443 scroll_pixel_position,
9444 &gutter_hitbox,
9445 window,
9446 cx,
9447 )
9448 });
9449
9450 window.with_element_namespace("expand_toggles", |window| {
9451 self.prepaint_expand_toggles(&mut expand_toggles, window, cx)
9452 });
9453
9454 let wrap_guides = self.layout_wrap_guides(
9455 em_advance,
9456 scroll_position,
9457 content_origin,
9458 scrollbars_layout.as_ref(),
9459 vertical_scrollbar_width,
9460 &hitbox,
9461 window,
9462 cx,
9463 );
9464
9465 let minimap = window.with_element_namespace("minimap", |window| {
9466 self.layout_minimap(
9467 &snapshot,
9468 minimap_width,
9469 scroll_position,
9470 &scrollbar_layout_information,
9471 scrollbars_layout.as_ref(),
9472 window,
9473 cx,
9474 )
9475 });
9476
9477 let invisible_symbol_font_size = font_size / 2.;
9478 let whitespace_map = &self
9479 .editor
9480 .read(cx)
9481 .buffer
9482 .read(cx)
9483 .language_settings(cx)
9484 .whitespace_map;
9485
9486 let tab_char = whitespace_map.tab.clone();
9487 let tab_len = tab_char.len();
9488 let tab_invisible = window.text_system().shape_line(
9489 tab_char,
9490 invisible_symbol_font_size,
9491 &[TextRun {
9492 len: tab_len,
9493 font: self.style.text.font(),
9494 color: cx.theme().colors().editor_invisible,
9495 background_color: None,
9496 underline: None,
9497 strikethrough: None,
9498 }],
9499 None,
9500 );
9501
9502 let space_char = whitespace_map.space.clone();
9503 let space_len = space_char.len();
9504 let space_invisible = window.text_system().shape_line(
9505 space_char,
9506 invisible_symbol_font_size,
9507 &[TextRun {
9508 len: space_len,
9509 font: self.style.text.font(),
9510 color: cx.theme().colors().editor_invisible,
9511 background_color: None,
9512 underline: None,
9513 strikethrough: None,
9514 }],
9515 None,
9516 );
9517
9518 let mode = snapshot.mode.clone();
9519
9520 let (diff_hunk_controls, diff_hunk_control_bounds) = if is_read_only {
9521 (vec![], vec![])
9522 } else {
9523 self.layout_diff_hunk_controls(
9524 start_row..end_row,
9525 &row_infos,
9526 &text_hitbox,
9527 newest_selection_head,
9528 line_height,
9529 right_margin,
9530 scroll_pixel_position,
9531 &display_hunks,
9532 &highlighted_rows,
9533 self.editor.clone(),
9534 window,
9535 cx,
9536 )
9537 };
9538
9539 let position_map = Rc::new(PositionMap {
9540 size: bounds.size,
9541 visible_row_range,
9542 scroll_position,
9543 scroll_pixel_position,
9544 scroll_max,
9545 line_layouts,
9546 line_height,
9547 em_width,
9548 em_advance,
9549 snapshot,
9550 gutter_hitbox: gutter_hitbox.clone(),
9551 text_hitbox: text_hitbox.clone(),
9552 inline_blame_bounds: inline_blame_layout
9553 .as_ref()
9554 .map(|layout| (layout.bounds, layout.buffer_id, layout.entry.clone())),
9555 display_hunks: display_hunks.clone(),
9556 diff_hunk_control_bounds,
9557 });
9558
9559 self.editor.update(cx, |editor, _| {
9560 editor.last_position_map = Some(position_map.clone())
9561 });
9562
9563 EditorLayout {
9564 mode,
9565 position_map,
9566 visible_display_row_range: start_row..end_row,
9567 wrap_guides,
9568 indent_guides,
9569 hitbox,
9570 gutter_hitbox,
9571 display_hunks,
9572 content_origin,
9573 scrollbars_layout,
9574 minimap,
9575 active_rows,
9576 highlighted_rows,
9577 highlighted_ranges,
9578 highlighted_gutter_ranges,
9579 redacted_ranges,
9580 document_colors,
9581 line_elements,
9582 line_numbers,
9583 blamed_display_rows,
9584 inline_diagnostics,
9585 inline_blame_layout,
9586 inline_code_actions,
9587 blocks,
9588 cursors,
9589 visible_cursors,
9590 selections,
9591 edit_prediction_popover,
9592 diff_hunk_controls,
9593 mouse_context_menu,
9594 test_indicators,
9595 breakpoints,
9596 crease_toggles,
9597 crease_trailers,
9598 tab_invisible,
9599 space_invisible,
9600 sticky_buffer_header,
9601 expand_toggles,
9602 }
9603 })
9604 })
9605 })
9606 }
9607
9608 fn paint(
9609 &mut self,
9610 _: Option<&GlobalElementId>,
9611 _inspector_id: Option<&gpui::InspectorElementId>,
9612 bounds: Bounds<gpui::Pixels>,
9613 _: &mut Self::RequestLayoutState,
9614 layout: &mut Self::PrepaintState,
9615 window: &mut Window,
9616 cx: &mut App,
9617 ) {
9618 if !layout.mode.is_minimap() {
9619 let focus_handle = self.editor.focus_handle(cx);
9620 let key_context = self
9621 .editor
9622 .update(cx, |editor, cx| editor.key_context(window, cx));
9623
9624 window.set_key_context(key_context);
9625 window.handle_input(
9626 &focus_handle,
9627 ElementInputHandler::new(bounds, self.editor.clone()),
9628 cx,
9629 );
9630 self.register_actions(window, cx);
9631 self.register_key_listeners(window, cx, layout);
9632 }
9633
9634 let text_style = TextStyleRefinement {
9635 font_size: Some(self.style.text.font_size),
9636 line_height: Some(self.style.text.line_height),
9637 ..Default::default()
9638 };
9639 let rem_size = self.rem_size(cx);
9640 window.with_rem_size(rem_size, |window| {
9641 window.with_text_style(Some(text_style), |window| {
9642 window.with_content_mask(Some(ContentMask { bounds }), |window| {
9643 self.paint_mouse_listeners(layout, window, cx);
9644 self.paint_background(layout, window, cx);
9645 self.paint_indent_guides(layout, window, cx);
9646
9647 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9648 self.paint_blamed_display_rows(layout, window, cx);
9649 self.paint_line_numbers(layout, window, cx);
9650 }
9651
9652 self.paint_text(layout, window, cx);
9653
9654 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9655 self.paint_gutter_highlights(layout, window, cx);
9656 self.paint_gutter_indicators(layout, window, cx);
9657 }
9658
9659 if !layout.blocks.is_empty() {
9660 window.with_element_namespace("blocks", |window| {
9661 self.paint_blocks(layout, window, cx);
9662 });
9663 }
9664
9665 window.with_element_namespace("blocks", |window| {
9666 if let Some(mut sticky_header) = layout.sticky_buffer_header.take() {
9667 sticky_header.paint(window, cx)
9668 }
9669 });
9670
9671 self.paint_minimap(layout, window, cx);
9672 self.paint_scrollbars(layout, window, cx);
9673 self.paint_edit_prediction_popover(layout, window, cx);
9674 self.paint_mouse_context_menu(layout, window, cx);
9675 });
9676 })
9677 })
9678 }
9679}
9680
9681pub(super) fn gutter_bounds(
9682 editor_bounds: Bounds<Pixels>,
9683 gutter_dimensions: GutterDimensions,
9684) -> Bounds<Pixels> {
9685 Bounds {
9686 origin: editor_bounds.origin,
9687 size: size(gutter_dimensions.width, editor_bounds.size.height),
9688 }
9689}
9690
9691#[derive(Clone, Copy)]
9692struct ContextMenuLayout {
9693 y_flipped: bool,
9694 bounds: Bounds<Pixels>,
9695}
9696
9697/// Holds information required for layouting the editor scrollbars.
9698struct ScrollbarLayoutInformation {
9699 /// The bounds of the editor area (excluding the content offset).
9700 editor_bounds: Bounds<Pixels>,
9701 /// The available range to scroll within the document.
9702 scroll_range: Size<Pixels>,
9703 /// The space available for one glyph in the editor.
9704 glyph_grid_cell: Size<Pixels>,
9705}
9706
9707impl ScrollbarLayoutInformation {
9708 pub fn new(
9709 editor_bounds: Bounds<Pixels>,
9710 glyph_grid_cell: Size<Pixels>,
9711 document_size: Size<Pixels>,
9712 longest_line_blame_width: Pixels,
9713 settings: &EditorSettings,
9714 ) -> Self {
9715 let vertical_overscroll = match settings.scroll_beyond_last_line {
9716 ScrollBeyondLastLine::OnePage => editor_bounds.size.height,
9717 ScrollBeyondLastLine::Off => glyph_grid_cell.height,
9718 ScrollBeyondLastLine::VerticalScrollMargin => {
9719 (1.0 + settings.vertical_scroll_margin) as f32 * glyph_grid_cell.height
9720 }
9721 };
9722
9723 let overscroll = size(longest_line_blame_width, vertical_overscroll);
9724
9725 ScrollbarLayoutInformation {
9726 editor_bounds,
9727 scroll_range: document_size + overscroll,
9728 glyph_grid_cell,
9729 }
9730 }
9731}
9732
9733impl IntoElement for EditorElement {
9734 type Element = Self;
9735
9736 fn into_element(self) -> Self::Element {
9737 self
9738 }
9739}
9740
9741pub struct EditorLayout {
9742 position_map: Rc<PositionMap>,
9743 hitbox: Hitbox,
9744 gutter_hitbox: Hitbox,
9745 content_origin: gpui::Point<Pixels>,
9746 scrollbars_layout: Option<EditorScrollbars>,
9747 minimap: Option<MinimapLayout>,
9748 mode: EditorMode,
9749 wrap_guides: SmallVec<[(Pixels, bool); 2]>,
9750 indent_guides: Option<Vec<IndentGuideLayout>>,
9751 visible_display_row_range: Range<DisplayRow>,
9752 active_rows: BTreeMap<DisplayRow, LineHighlightSpec>,
9753 highlighted_rows: BTreeMap<DisplayRow, LineHighlight>,
9754 line_elements: SmallVec<[AnyElement; 1]>,
9755 line_numbers: Arc<HashMap<MultiBufferRow, LineNumberLayout>>,
9756 display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
9757 blamed_display_rows: Option<Vec<AnyElement>>,
9758 inline_diagnostics: HashMap<DisplayRow, AnyElement>,
9759 inline_blame_layout: Option<InlineBlameLayout>,
9760 inline_code_actions: Option<AnyElement>,
9761 blocks: Vec<BlockLayout>,
9762 highlighted_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9763 highlighted_gutter_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9764 redacted_ranges: Vec<Range<DisplayPoint>>,
9765 cursors: Vec<(DisplayPoint, Hsla)>,
9766 visible_cursors: Vec<CursorLayout>,
9767 selections: Vec<(PlayerColor, Vec<SelectionLayout>)>,
9768 test_indicators: Vec<AnyElement>,
9769 breakpoints: Vec<AnyElement>,
9770 crease_toggles: Vec<Option<AnyElement>>,
9771 expand_toggles: Vec<Option<(AnyElement, gpui::Point<Pixels>)>>,
9772 diff_hunk_controls: Vec<AnyElement>,
9773 crease_trailers: Vec<Option<CreaseTrailerLayout>>,
9774 edit_prediction_popover: Option<AnyElement>,
9775 mouse_context_menu: Option<AnyElement>,
9776 tab_invisible: ShapedLine,
9777 space_invisible: ShapedLine,
9778 sticky_buffer_header: Option<AnyElement>,
9779 document_colors: Option<(DocumentColorsRenderMode, Vec<(Range<DisplayPoint>, Hsla)>)>,
9780}
9781
9782impl EditorLayout {
9783 fn line_end_overshoot(&self) -> Pixels {
9784 0.15 * self.position_map.line_height
9785 }
9786}
9787
9788struct LineNumberLayout {
9789 shaped_line: ShapedLine,
9790 hitbox: Option<Hitbox>,
9791}
9792
9793struct ColoredRange<T> {
9794 start: T,
9795 end: T,
9796 color: Hsla,
9797}
9798
9799impl Along for ScrollbarAxes {
9800 type Unit = bool;
9801
9802 fn along(&self, axis: ScrollbarAxis) -> Self::Unit {
9803 match axis {
9804 ScrollbarAxis::Horizontal => self.horizontal,
9805 ScrollbarAxis::Vertical => self.vertical,
9806 }
9807 }
9808
9809 fn apply_along(&self, axis: ScrollbarAxis, f: impl FnOnce(Self::Unit) -> Self::Unit) -> Self {
9810 match axis {
9811 ScrollbarAxis::Horizontal => ScrollbarAxes {
9812 horizontal: f(self.horizontal),
9813 vertical: self.vertical,
9814 },
9815 ScrollbarAxis::Vertical => ScrollbarAxes {
9816 horizontal: self.horizontal,
9817 vertical: f(self.vertical),
9818 },
9819 }
9820 }
9821}
9822
9823#[derive(Clone)]
9824struct EditorScrollbars {
9825 pub vertical: Option<ScrollbarLayout>,
9826 pub horizontal: Option<ScrollbarLayout>,
9827 pub visible: bool,
9828}
9829
9830impl EditorScrollbars {
9831 pub fn from_scrollbar_axes(
9832 show_scrollbar: ScrollbarAxes,
9833 layout_information: &ScrollbarLayoutInformation,
9834 content_offset: gpui::Point<Pixels>,
9835 scroll_position: gpui::Point<f64>,
9836 scrollbar_width: Pixels,
9837 right_margin: Pixels,
9838 editor_width: Pixels,
9839 show_scrollbars: bool,
9840 scrollbar_state: Option<&ActiveScrollbarState>,
9841 window: &mut Window,
9842 ) -> Self {
9843 let ScrollbarLayoutInformation {
9844 editor_bounds,
9845 scroll_range,
9846 glyph_grid_cell,
9847 } = layout_information;
9848
9849 let viewport_size = size(editor_width, editor_bounds.size.height);
9850
9851 let scrollbar_bounds_for = |axis: ScrollbarAxis| match axis {
9852 ScrollbarAxis::Horizontal => Bounds::from_corner_and_size(
9853 Corner::BottomLeft,
9854 editor_bounds.bottom_left(),
9855 size(
9856 // The horizontal viewport size differs from the space available for the
9857 // horizontal scrollbar, so we have to manually stitch it together here.
9858 editor_bounds.size.width - right_margin,
9859 scrollbar_width,
9860 ),
9861 ),
9862 ScrollbarAxis::Vertical => Bounds::from_corner_and_size(
9863 Corner::TopRight,
9864 editor_bounds.top_right(),
9865 size(scrollbar_width, viewport_size.height),
9866 ),
9867 };
9868
9869 let mut create_scrollbar_layout = |axis| {
9870 let viewport_size = viewport_size.along(axis);
9871 let scroll_range = scroll_range.along(axis);
9872
9873 // We always want a vertical scrollbar track for scrollbar diagnostic visibility.
9874 (show_scrollbar.along(axis)
9875 && (axis == ScrollbarAxis::Vertical || scroll_range > viewport_size))
9876 .then(|| {
9877 ScrollbarLayout::new(
9878 window.insert_hitbox(scrollbar_bounds_for(axis), HitboxBehavior::Normal),
9879 viewport_size,
9880 scroll_range,
9881 glyph_grid_cell.along(axis),
9882 content_offset.along(axis),
9883 scroll_position.along(axis),
9884 show_scrollbars,
9885 axis,
9886 )
9887 .with_thumb_state(
9888 scrollbar_state.and_then(|state| state.thumb_state_for_axis(axis)),
9889 )
9890 })
9891 };
9892
9893 Self {
9894 vertical: create_scrollbar_layout(ScrollbarAxis::Vertical),
9895 horizontal: create_scrollbar_layout(ScrollbarAxis::Horizontal),
9896 visible: show_scrollbars,
9897 }
9898 }
9899
9900 pub fn iter_scrollbars(&self) -> impl Iterator<Item = (&ScrollbarLayout, ScrollbarAxis)> + '_ {
9901 [
9902 (&self.vertical, ScrollbarAxis::Vertical),
9903 (&self.horizontal, ScrollbarAxis::Horizontal),
9904 ]
9905 .into_iter()
9906 .filter_map(|(scrollbar, axis)| scrollbar.as_ref().map(|s| (s, axis)))
9907 }
9908
9909 /// Returns the currently hovered scrollbar axis, if any.
9910 pub fn get_hovered_axis(&self, window: &Window) -> Option<(&ScrollbarLayout, ScrollbarAxis)> {
9911 self.iter_scrollbars()
9912 .find(|s| s.0.hitbox.is_hovered(window))
9913 }
9914}
9915
9916#[derive(Clone)]
9917struct ScrollbarLayout {
9918 hitbox: Hitbox,
9919 visible_range: Range<ScrollOffset>,
9920 text_unit_size: Pixels,
9921 thumb_bounds: Option<Bounds<Pixels>>,
9922 thumb_state: ScrollbarThumbState,
9923}
9924
9925impl ScrollbarLayout {
9926 const BORDER_WIDTH: Pixels = px(1.0);
9927 const LINE_MARKER_HEIGHT: Pixels = px(2.0);
9928 const MIN_MARKER_HEIGHT: Pixels = px(5.0);
9929 const MIN_THUMB_SIZE: Pixels = px(25.0);
9930
9931 fn new(
9932 scrollbar_track_hitbox: Hitbox,
9933 viewport_size: Pixels,
9934 scroll_range: Pixels,
9935 glyph_space: Pixels,
9936 content_offset: Pixels,
9937 scroll_position: ScrollOffset,
9938 show_thumb: bool,
9939 axis: ScrollbarAxis,
9940 ) -> Self {
9941 let track_bounds = scrollbar_track_hitbox.bounds;
9942 // The length of the track available to the scrollbar thumb. We deliberately
9943 // exclude the content size here so that the thumb aligns with the content.
9944 let track_length = track_bounds.size.along(axis) - content_offset;
9945
9946 Self::new_with_hitbox_and_track_length(
9947 scrollbar_track_hitbox,
9948 track_length,
9949 viewport_size,
9950 scroll_range.into(),
9951 glyph_space,
9952 content_offset.into(),
9953 scroll_position,
9954 show_thumb,
9955 axis,
9956 )
9957 }
9958
9959 fn for_minimap(
9960 minimap_track_hitbox: Hitbox,
9961 visible_lines: f64,
9962 total_editor_lines: f64,
9963 minimap_line_height: Pixels,
9964 scroll_position: ScrollOffset,
9965 minimap_scroll_top: ScrollOffset,
9966 show_thumb: bool,
9967 ) -> Self {
9968 // The scrollbar thumb size is calculated as
9969 // (visible_content/total_content) Γ scrollbar_track_length.
9970 //
9971 // For the minimap's thumb layout, we leverage this by setting the
9972 // scrollbar track length to the entire document size (using minimap line
9973 // height). This creates a thumb that exactly represents the editor
9974 // viewport scaled to minimap proportions.
9975 //
9976 // We adjust the thumb position relative to `minimap_scroll_top` to
9977 // accommodate for the deliberately oversized track.
9978 //
9979 // This approach ensures that the minimap thumb accurately reflects the
9980 // editor's current scroll position whilst nicely synchronizing the minimap
9981 // thumb and scrollbar thumb.
9982 let scroll_range = total_editor_lines * f64::from(minimap_line_height);
9983 let viewport_size = visible_lines * f64::from(minimap_line_height);
9984
9985 let track_top_offset = -minimap_scroll_top * f64::from(minimap_line_height);
9986
9987 Self::new_with_hitbox_and_track_length(
9988 minimap_track_hitbox,
9989 Pixels::from(scroll_range),
9990 Pixels::from(viewport_size),
9991 scroll_range,
9992 minimap_line_height,
9993 track_top_offset,
9994 scroll_position,
9995 show_thumb,
9996 ScrollbarAxis::Vertical,
9997 )
9998 }
9999
10000 fn new_with_hitbox_and_track_length(
10001 scrollbar_track_hitbox: Hitbox,
10002 track_length: Pixels,
10003 viewport_size: Pixels,
10004 scroll_range: f64,
10005 glyph_space: Pixels,
10006 content_offset: ScrollOffset,
10007 scroll_position: ScrollOffset,
10008 show_thumb: bool,
10009 axis: ScrollbarAxis,
10010 ) -> Self {
10011 let text_units_per_page = f64::from(viewport_size / glyph_space);
10012 let visible_range = scroll_position..scroll_position + text_units_per_page;
10013 let total_text_units = scroll_range / f64::from(glyph_space);
10014
10015 let thumb_percentage = text_units_per_page / total_text_units;
10016 let thumb_size = Pixels::from(ScrollOffset::from(track_length) * thumb_percentage)
10017 .max(ScrollbarLayout::MIN_THUMB_SIZE)
10018 .min(track_length);
10019
10020 let text_unit_divisor = (total_text_units - text_units_per_page).max(0.);
10021
10022 let content_larger_than_viewport = text_unit_divisor > 0.;
10023
10024 let text_unit_size = if content_larger_than_viewport {
10025 Pixels::from(ScrollOffset::from(track_length - thumb_size) / text_unit_divisor)
10026 } else {
10027 glyph_space
10028 };
10029
10030 let thumb_bounds = (show_thumb && content_larger_than_viewport).then(|| {
10031 Self::thumb_bounds(
10032 &scrollbar_track_hitbox,
10033 content_offset,
10034 visible_range.start,
10035 text_unit_size,
10036 thumb_size,
10037 axis,
10038 )
10039 });
10040
10041 ScrollbarLayout {
10042 hitbox: scrollbar_track_hitbox,
10043 visible_range,
10044 text_unit_size,
10045 thumb_bounds,
10046 thumb_state: Default::default(),
10047 }
10048 }
10049
10050 fn with_thumb_state(self, thumb_state: Option<ScrollbarThumbState>) -> Self {
10051 if let Some(thumb_state) = thumb_state {
10052 Self {
10053 thumb_state,
10054 ..self
10055 }
10056 } else {
10057 self
10058 }
10059 }
10060
10061 fn thumb_bounds(
10062 scrollbar_track: &Hitbox,
10063 content_offset: f64,
10064 visible_range_start: f64,
10065 text_unit_size: Pixels,
10066 thumb_size: Pixels,
10067 axis: ScrollbarAxis,
10068 ) -> Bounds<Pixels> {
10069 let thumb_origin = scrollbar_track.origin.apply_along(axis, |origin| {
10070 origin
10071 + Pixels::from(
10072 content_offset + visible_range_start * ScrollOffset::from(text_unit_size),
10073 )
10074 });
10075 Bounds::new(
10076 thumb_origin,
10077 scrollbar_track.size.apply_along(axis, |_| thumb_size),
10078 )
10079 }
10080
10081 fn thumb_hovered(&self, position: &gpui::Point<Pixels>) -> bool {
10082 self.thumb_bounds
10083 .is_some_and(|bounds| bounds.contains(position))
10084 }
10085
10086 fn marker_quads_for_ranges(
10087 &self,
10088 row_ranges: impl IntoIterator<Item = ColoredRange<DisplayRow>>,
10089 column: Option<usize>,
10090 ) -> Vec<PaintQuad> {
10091 struct MinMax {
10092 min: Pixels,
10093 max: Pixels,
10094 }
10095 let (x_range, height_limit) = if let Some(column) = column {
10096 let column_width = ((self.hitbox.size.width - Self::BORDER_WIDTH) / 3.0).floor();
10097 let start = Self::BORDER_WIDTH + (column as f32 * column_width);
10098 let end = start + column_width;
10099 (
10100 Range { start, end },
10101 MinMax {
10102 min: Self::MIN_MARKER_HEIGHT,
10103 max: px(f32::MAX),
10104 },
10105 )
10106 } else {
10107 (
10108 Range {
10109 start: Self::BORDER_WIDTH,
10110 end: self.hitbox.size.width,
10111 },
10112 MinMax {
10113 min: Self::LINE_MARKER_HEIGHT,
10114 max: Self::LINE_MARKER_HEIGHT,
10115 },
10116 )
10117 };
10118
10119 let row_to_y = |row: DisplayRow| row.as_f64() as f32 * self.text_unit_size;
10120 let mut pixel_ranges = row_ranges
10121 .into_iter()
10122 .map(|range| {
10123 let start_y = row_to_y(range.start);
10124 let end_y = row_to_y(range.end)
10125 + self
10126 .text_unit_size
10127 .max(height_limit.min)
10128 .min(height_limit.max);
10129 ColoredRange {
10130 start: start_y,
10131 end: end_y,
10132 color: range.color,
10133 }
10134 })
10135 .peekable();
10136
10137 let mut quads = Vec::new();
10138 while let Some(mut pixel_range) = pixel_ranges.next() {
10139 while let Some(next_pixel_range) = pixel_ranges.peek() {
10140 if pixel_range.end >= next_pixel_range.start - px(1.0)
10141 && pixel_range.color == next_pixel_range.color
10142 {
10143 pixel_range.end = next_pixel_range.end.max(pixel_range.end);
10144 pixel_ranges.next();
10145 } else {
10146 break;
10147 }
10148 }
10149
10150 let bounds = Bounds::from_corners(
10151 point(x_range.start, pixel_range.start),
10152 point(x_range.end, pixel_range.end),
10153 );
10154 quads.push(quad(
10155 bounds,
10156 Corners::default(),
10157 pixel_range.color,
10158 Edges::default(),
10159 Hsla::transparent_black(),
10160 BorderStyle::default(),
10161 ));
10162 }
10163
10164 quads
10165 }
10166}
10167
10168struct MinimapLayout {
10169 pub minimap: AnyElement,
10170 pub thumb_layout: ScrollbarLayout,
10171 pub minimap_scroll_top: ScrollOffset,
10172 pub minimap_line_height: Pixels,
10173 pub thumb_border_style: MinimapThumbBorder,
10174 pub max_scroll_top: ScrollOffset,
10175}
10176
10177impl MinimapLayout {
10178 /// The minimum width of the minimap in columns. If the minimap is smaller than this, it will be hidden.
10179 const MINIMAP_MIN_WIDTH_COLUMNS: f32 = 20.;
10180 /// The minimap width as a percentage of the editor width.
10181 const MINIMAP_WIDTH_PCT: f32 = 0.15;
10182 /// Calculates the scroll top offset the minimap editor has to have based on the
10183 /// current scroll progress.
10184 fn calculate_minimap_top_offset(
10185 document_lines: f64,
10186 visible_editor_lines: f64,
10187 visible_minimap_lines: f64,
10188 scroll_position: f64,
10189 ) -> ScrollOffset {
10190 let non_visible_document_lines = (document_lines - visible_editor_lines).max(0.);
10191 if non_visible_document_lines == 0. {
10192 0.
10193 } else {
10194 let scroll_percentage = (scroll_position / non_visible_document_lines).clamp(0., 1.);
10195 scroll_percentage * (document_lines - visible_minimap_lines).max(0.)
10196 }
10197 }
10198}
10199
10200struct CreaseTrailerLayout {
10201 element: AnyElement,
10202 bounds: Bounds<Pixels>,
10203}
10204
10205pub(crate) struct PositionMap {
10206 pub size: Size<Pixels>,
10207 pub line_height: Pixels,
10208 pub scroll_position: gpui::Point<ScrollOffset>,
10209 pub scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
10210 pub scroll_max: gpui::Point<ScrollOffset>,
10211 pub em_width: Pixels,
10212 pub em_advance: Pixels,
10213 pub visible_row_range: Range<DisplayRow>,
10214 pub line_layouts: Vec<LineWithInvisibles>,
10215 pub snapshot: EditorSnapshot,
10216 pub text_hitbox: Hitbox,
10217 pub gutter_hitbox: Hitbox,
10218 pub inline_blame_bounds: Option<(Bounds<Pixels>, BufferId, BlameEntry)>,
10219 pub display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
10220 pub diff_hunk_control_bounds: Vec<(DisplayRow, Bounds<Pixels>)>,
10221}
10222
10223#[derive(Debug, Copy, Clone)]
10224pub struct PointForPosition {
10225 pub previous_valid: DisplayPoint,
10226 pub next_valid: DisplayPoint,
10227 pub exact_unclipped: DisplayPoint,
10228 pub column_overshoot_after_line_end: u32,
10229}
10230
10231impl PointForPosition {
10232 pub fn as_valid(&self) -> Option<DisplayPoint> {
10233 if self.previous_valid == self.exact_unclipped && self.next_valid == self.exact_unclipped {
10234 Some(self.previous_valid)
10235 } else {
10236 None
10237 }
10238 }
10239
10240 pub fn intersects_selection(&self, selection: &Selection<DisplayPoint>) -> bool {
10241 let Some(valid_point) = self.as_valid() else {
10242 return false;
10243 };
10244 let range = selection.range();
10245
10246 let candidate_row = valid_point.row();
10247 let candidate_col = valid_point.column();
10248
10249 let start_row = range.start.row();
10250 let start_col = range.start.column();
10251 let end_row = range.end.row();
10252 let end_col = range.end.column();
10253
10254 if candidate_row < start_row || candidate_row > end_row {
10255 false
10256 } else if start_row == end_row {
10257 candidate_col >= start_col && candidate_col < end_col
10258 } else if candidate_row == start_row {
10259 candidate_col >= start_col
10260 } else if candidate_row == end_row {
10261 candidate_col < end_col
10262 } else {
10263 true
10264 }
10265 }
10266}
10267
10268impl PositionMap {
10269 pub(crate) fn point_for_position(&self, position: gpui::Point<Pixels>) -> PointForPosition {
10270 let text_bounds = self.text_hitbox.bounds;
10271 let scroll_position = self.snapshot.scroll_position();
10272 let position = position - text_bounds.origin;
10273 let y = position.y.max(px(0.)).min(self.size.height);
10274 let x = position.x + (scroll_position.x as f32 * self.em_advance);
10275 let row = ((y / self.line_height) as f64 + scroll_position.y) as u32;
10276
10277 let (column, x_overshoot_after_line_end) = if let Some(line) = self
10278 .line_layouts
10279 .get(row as usize - scroll_position.y as usize)
10280 {
10281 if let Some(ix) = line.index_for_x(x) {
10282 (ix as u32, px(0.))
10283 } else {
10284 (line.len as u32, px(0.).max(x - line.width))
10285 }
10286 } else {
10287 (0, x)
10288 };
10289
10290 let mut exact_unclipped = DisplayPoint::new(DisplayRow(row), column);
10291 let previous_valid = self.snapshot.clip_point(exact_unclipped, Bias::Left);
10292 let next_valid = self.snapshot.clip_point(exact_unclipped, Bias::Right);
10293
10294 let column_overshoot_after_line_end = (x_overshoot_after_line_end / self.em_advance) as u32;
10295 *exact_unclipped.column_mut() += column_overshoot_after_line_end;
10296 PointForPosition {
10297 previous_valid,
10298 next_valid,
10299 exact_unclipped,
10300 column_overshoot_after_line_end,
10301 }
10302 }
10303}
10304
10305struct BlockLayout {
10306 id: BlockId,
10307 x_offset: Pixels,
10308 row: Option<DisplayRow>,
10309 element: AnyElement,
10310 available_space: Size<AvailableSpace>,
10311 style: BlockStyle,
10312 overlaps_gutter: bool,
10313 is_buffer_header: bool,
10314}
10315
10316pub fn layout_line(
10317 row: DisplayRow,
10318 snapshot: &EditorSnapshot,
10319 style: &EditorStyle,
10320 text_width: Pixels,
10321 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
10322 window: &mut Window,
10323 cx: &mut App,
10324) -> LineWithInvisibles {
10325 let chunks = snapshot.highlighted_chunks(row..row + DisplayRow(1), true, style);
10326 LineWithInvisibles::from_chunks(
10327 chunks,
10328 style,
10329 MAX_LINE_LEN,
10330 1,
10331 &snapshot.mode,
10332 text_width,
10333 is_row_soft_wrapped,
10334 &[],
10335 window,
10336 cx,
10337 )
10338 .pop()
10339 .unwrap()
10340}
10341
10342#[derive(Debug)]
10343pub struct IndentGuideLayout {
10344 origin: gpui::Point<Pixels>,
10345 length: Pixels,
10346 single_indent_width: Pixels,
10347 depth: u32,
10348 active: bool,
10349 settings: IndentGuideSettings,
10350}
10351
10352pub struct CursorLayout {
10353 origin: gpui::Point<Pixels>,
10354 block_width: Pixels,
10355 line_height: Pixels,
10356 color: Hsla,
10357 shape: CursorShape,
10358 block_text: Option<ShapedLine>,
10359 cursor_name: Option<AnyElement>,
10360}
10361
10362#[derive(Debug)]
10363pub struct CursorName {
10364 string: SharedString,
10365 color: Hsla,
10366 is_top_row: bool,
10367}
10368
10369impl CursorLayout {
10370 pub fn new(
10371 origin: gpui::Point<Pixels>,
10372 block_width: Pixels,
10373 line_height: Pixels,
10374 color: Hsla,
10375 shape: CursorShape,
10376 block_text: Option<ShapedLine>,
10377 ) -> CursorLayout {
10378 CursorLayout {
10379 origin,
10380 block_width,
10381 line_height,
10382 color,
10383 shape,
10384 block_text,
10385 cursor_name: None,
10386 }
10387 }
10388
10389 pub fn bounding_rect(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10390 Bounds {
10391 origin: self.origin + origin,
10392 size: size(self.block_width, self.line_height),
10393 }
10394 }
10395
10396 fn bounds(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10397 match self.shape {
10398 CursorShape::Bar => Bounds {
10399 origin: self.origin + origin,
10400 size: size(px(2.0), self.line_height),
10401 },
10402 CursorShape::Block | CursorShape::Hollow => Bounds {
10403 origin: self.origin + origin,
10404 size: size(self.block_width, self.line_height),
10405 },
10406 CursorShape::Underline => Bounds {
10407 origin: self.origin
10408 + origin
10409 + gpui::Point::new(Pixels::ZERO, self.line_height - px(2.0)),
10410 size: size(self.block_width, px(2.0)),
10411 },
10412 }
10413 }
10414
10415 pub fn layout(
10416 &mut self,
10417 origin: gpui::Point<Pixels>,
10418 cursor_name: Option<CursorName>,
10419 window: &mut Window,
10420 cx: &mut App,
10421 ) {
10422 if let Some(cursor_name) = cursor_name {
10423 let bounds = self.bounds(origin);
10424 let text_size = self.line_height / 1.5;
10425
10426 let name_origin = if cursor_name.is_top_row {
10427 point(bounds.right() - px(1.), bounds.top())
10428 } else {
10429 match self.shape {
10430 CursorShape::Bar => point(
10431 bounds.right() - px(2.),
10432 bounds.top() - text_size / 2. - px(1.),
10433 ),
10434 _ => point(
10435 bounds.right() - px(1.),
10436 bounds.top() - text_size / 2. - px(1.),
10437 ),
10438 }
10439 };
10440 let mut name_element = div()
10441 .bg(self.color)
10442 .text_size(text_size)
10443 .px_0p5()
10444 .line_height(text_size + px(2.))
10445 .text_color(cursor_name.color)
10446 .child(cursor_name.string)
10447 .into_any_element();
10448
10449 name_element.prepaint_as_root(name_origin, AvailableSpace::min_size(), window, cx);
10450
10451 self.cursor_name = Some(name_element);
10452 }
10453 }
10454
10455 pub fn paint(&mut self, origin: gpui::Point<Pixels>, window: &mut Window, cx: &mut App) {
10456 let bounds = self.bounds(origin);
10457
10458 //Draw background or border quad
10459 let cursor = if matches!(self.shape, CursorShape::Hollow) {
10460 outline(bounds, self.color, BorderStyle::Solid)
10461 } else {
10462 fill(bounds, self.color)
10463 };
10464
10465 if let Some(name) = &mut self.cursor_name {
10466 name.paint(window, cx);
10467 }
10468
10469 window.paint_quad(cursor);
10470
10471 if let Some(block_text) = &self.block_text {
10472 block_text
10473 .paint(self.origin + origin, self.line_height, window, cx)
10474 .log_err();
10475 }
10476 }
10477
10478 pub fn shape(&self) -> CursorShape {
10479 self.shape
10480 }
10481}
10482
10483#[derive(Debug)]
10484pub struct HighlightedRange {
10485 pub start_y: Pixels,
10486 pub line_height: Pixels,
10487 pub lines: Vec<HighlightedRangeLine>,
10488 pub color: Hsla,
10489 pub corner_radius: Pixels,
10490}
10491
10492#[derive(Debug)]
10493pub struct HighlightedRangeLine {
10494 pub start_x: Pixels,
10495 pub end_x: Pixels,
10496}
10497
10498impl HighlightedRange {
10499 pub fn paint(&self, fill: bool, bounds: Bounds<Pixels>, window: &mut Window) {
10500 if self.lines.len() >= 2 && self.lines[0].start_x > self.lines[1].end_x {
10501 self.paint_lines(self.start_y, &self.lines[0..1], fill, bounds, window);
10502 self.paint_lines(
10503 self.start_y + self.line_height,
10504 &self.lines[1..],
10505 fill,
10506 bounds,
10507 window,
10508 );
10509 } else {
10510 self.paint_lines(self.start_y, &self.lines, fill, bounds, window);
10511 }
10512 }
10513
10514 fn paint_lines(
10515 &self,
10516 start_y: Pixels,
10517 lines: &[HighlightedRangeLine],
10518 fill: bool,
10519 _bounds: Bounds<Pixels>,
10520 window: &mut Window,
10521 ) {
10522 if lines.is_empty() {
10523 return;
10524 }
10525
10526 let first_line = lines.first().unwrap();
10527 let last_line = lines.last().unwrap();
10528
10529 let first_top_left = point(first_line.start_x, start_y);
10530 let first_top_right = point(first_line.end_x, start_y);
10531
10532 let curve_height = point(Pixels::ZERO, self.corner_radius);
10533 let curve_width = |start_x: Pixels, end_x: Pixels| {
10534 let max = (end_x - start_x) / 2.;
10535 let width = if max < self.corner_radius {
10536 max
10537 } else {
10538 self.corner_radius
10539 };
10540
10541 point(width, Pixels::ZERO)
10542 };
10543
10544 let top_curve_width = curve_width(first_line.start_x, first_line.end_x);
10545 let mut builder = if fill {
10546 gpui::PathBuilder::fill()
10547 } else {
10548 gpui::PathBuilder::stroke(px(1.))
10549 };
10550 builder.move_to(first_top_right - top_curve_width);
10551 builder.curve_to(first_top_right + curve_height, first_top_right);
10552
10553 let mut iter = lines.iter().enumerate().peekable();
10554 while let Some((ix, line)) = iter.next() {
10555 let bottom_right = point(line.end_x, start_y + (ix + 1) as f32 * self.line_height);
10556
10557 if let Some((_, next_line)) = iter.peek() {
10558 let next_top_right = point(next_line.end_x, bottom_right.y);
10559
10560 match next_top_right.x.partial_cmp(&bottom_right.x).unwrap() {
10561 Ordering::Equal => {
10562 builder.line_to(bottom_right);
10563 }
10564 Ordering::Less => {
10565 let curve_width = curve_width(next_top_right.x, bottom_right.x);
10566 builder.line_to(bottom_right - curve_height);
10567 if self.corner_radius > Pixels::ZERO {
10568 builder.curve_to(bottom_right - curve_width, bottom_right);
10569 }
10570 builder.line_to(next_top_right + curve_width);
10571 if self.corner_radius > Pixels::ZERO {
10572 builder.curve_to(next_top_right + curve_height, next_top_right);
10573 }
10574 }
10575 Ordering::Greater => {
10576 let curve_width = curve_width(bottom_right.x, next_top_right.x);
10577 builder.line_to(bottom_right - curve_height);
10578 if self.corner_radius > Pixels::ZERO {
10579 builder.curve_to(bottom_right + curve_width, bottom_right);
10580 }
10581 builder.line_to(next_top_right - curve_width);
10582 if self.corner_radius > Pixels::ZERO {
10583 builder.curve_to(next_top_right + curve_height, next_top_right);
10584 }
10585 }
10586 }
10587 } else {
10588 let curve_width = curve_width(line.start_x, line.end_x);
10589 builder.line_to(bottom_right - curve_height);
10590 if self.corner_radius > Pixels::ZERO {
10591 builder.curve_to(bottom_right - curve_width, bottom_right);
10592 }
10593
10594 let bottom_left = point(line.start_x, bottom_right.y);
10595 builder.line_to(bottom_left + curve_width);
10596 if self.corner_radius > Pixels::ZERO {
10597 builder.curve_to(bottom_left - curve_height, bottom_left);
10598 }
10599 }
10600 }
10601
10602 if first_line.start_x > last_line.start_x {
10603 let curve_width = curve_width(last_line.start_x, first_line.start_x);
10604 let second_top_left = point(last_line.start_x, start_y + self.line_height);
10605 builder.line_to(second_top_left + curve_height);
10606 if self.corner_radius > Pixels::ZERO {
10607 builder.curve_to(second_top_left + curve_width, second_top_left);
10608 }
10609 let first_bottom_left = point(first_line.start_x, second_top_left.y);
10610 builder.line_to(first_bottom_left - curve_width);
10611 if self.corner_radius > Pixels::ZERO {
10612 builder.curve_to(first_bottom_left - curve_height, first_bottom_left);
10613 }
10614 }
10615
10616 builder.line_to(first_top_left + curve_height);
10617 if self.corner_radius > Pixels::ZERO {
10618 builder.curve_to(first_top_left + top_curve_width, first_top_left);
10619 }
10620 builder.line_to(first_top_right - top_curve_width);
10621
10622 if let Ok(path) = builder.build() {
10623 window.paint_path(path, self.color);
10624 }
10625 }
10626}
10627
10628enum CursorPopoverType {
10629 CodeContextMenu,
10630 EditPrediction,
10631}
10632
10633pub fn scale_vertical_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10634 (delta.pow(1.2) / 100.0).min(px(3.0)).into()
10635}
10636
10637fn scale_horizontal_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10638 (delta.pow(1.2) / 300.0).into()
10639}
10640
10641pub fn register_action<T: Action>(
10642 editor: &Entity<Editor>,
10643 window: &mut Window,
10644 listener: impl Fn(&mut Editor, &T, &mut Window, &mut Context<Editor>) + 'static,
10645) {
10646 let editor = editor.clone();
10647 window.on_action(TypeId::of::<T>(), move |action, phase, window, cx| {
10648 let action = action.downcast_ref().unwrap();
10649 if phase == DispatchPhase::Bubble {
10650 editor.update(cx, |editor, cx| {
10651 listener(editor, action, window, cx);
10652 })
10653 }
10654 })
10655}
10656
10657fn compute_auto_height_layout(
10658 editor: &mut Editor,
10659 min_lines: usize,
10660 max_lines: Option<usize>,
10661 max_line_number_width: Pixels,
10662 known_dimensions: Size<Option<Pixels>>,
10663 available_width: AvailableSpace,
10664 window: &mut Window,
10665 cx: &mut Context<Editor>,
10666) -> Option<Size<Pixels>> {
10667 let width = known_dimensions.width.or({
10668 if let AvailableSpace::Definite(available_width) = available_width {
10669 Some(available_width)
10670 } else {
10671 None
10672 }
10673 })?;
10674 if let Some(height) = known_dimensions.height {
10675 return Some(size(width, height));
10676 }
10677
10678 let style = editor.style.as_ref().unwrap();
10679 let font_id = window.text_system().resolve_font(&style.text.font());
10680 let font_size = style.text.font_size.to_pixels(window.rem_size());
10681 let line_height = style.text.line_height_in_pixels(window.rem_size());
10682 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
10683
10684 let mut snapshot = editor.snapshot(window, cx);
10685 let gutter_dimensions = snapshot
10686 .gutter_dimensions(font_id, font_size, max_line_number_width, cx)
10687 .or_else(|| {
10688 editor
10689 .offset_content
10690 .then(|| GutterDimensions::default_with_margin(font_id, font_size, cx))
10691 })
10692 .unwrap_or_default();
10693
10694 editor.gutter_dimensions = gutter_dimensions;
10695 let text_width = width - gutter_dimensions.width;
10696 let overscroll = size(em_width, px(0.));
10697
10698 let editor_width = text_width - gutter_dimensions.margin - overscroll.width - em_width;
10699 if !matches!(editor.soft_wrap_mode(cx), SoftWrap::None)
10700 && editor.set_wrap_width(Some(editor_width), cx)
10701 {
10702 snapshot = editor.snapshot(window, cx);
10703 }
10704
10705 let scroll_height = (snapshot.max_point().row().next_row().0 as f32) * line_height;
10706
10707 let min_height = line_height * min_lines as f32;
10708 let content_height = scroll_height.max(min_height);
10709
10710 let final_height = if let Some(max_lines) = max_lines {
10711 let max_height = line_height * max_lines as f32;
10712 content_height.min(max_height)
10713 } else {
10714 content_height
10715 };
10716
10717 Some(size(width, final_height))
10718}
10719
10720#[cfg(test)]
10721mod tests {
10722 use super::*;
10723 use crate::{
10724 Editor, MultiBuffer, SelectionEffects,
10725 display_map::{BlockPlacement, BlockProperties},
10726 editor_tests::{init_test, update_test_language_settings},
10727 };
10728 use gpui::{TestAppContext, VisualTestContext};
10729 use language::language_settings;
10730 use log::info;
10731 use std::num::NonZeroU32;
10732 use util::test::sample_text;
10733
10734 #[gpui::test]
10735 async fn test_soft_wrap_editor_width_auto_height_editor(cx: &mut TestAppContext) {
10736 init_test(cx, |_| {});
10737
10738 let window = cx.add_window(|window, cx| {
10739 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10740 let mut editor = Editor::new(
10741 EditorMode::AutoHeight {
10742 min_lines: 1,
10743 max_lines: None,
10744 },
10745 buffer,
10746 None,
10747 window,
10748 cx,
10749 );
10750 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10751 editor
10752 });
10753 let cx = &mut VisualTestContext::from_window(*window, cx);
10754 let editor = window.root(cx).unwrap();
10755 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10756
10757 for x in 1..=100 {
10758 let (_, state) = cx.draw(
10759 Default::default(),
10760 size(px(200. + 0.13 * x as f32), px(500.)),
10761 |_, _| EditorElement::new(&editor, style.clone()),
10762 );
10763
10764 assert!(
10765 state.position_map.scroll_max.x == 0.,
10766 "Soft wrapped editor should have no horizontal scrolling!"
10767 );
10768 }
10769 }
10770
10771 #[gpui::test]
10772 async fn test_soft_wrap_editor_width_full_editor(cx: &mut TestAppContext) {
10773 init_test(cx, |_| {});
10774
10775 let window = cx.add_window(|window, cx| {
10776 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10777 let mut editor = Editor::new(EditorMode::full(), buffer, None, window, cx);
10778 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10779 editor
10780 });
10781 let cx = &mut VisualTestContext::from_window(*window, cx);
10782 let editor = window.root(cx).unwrap();
10783 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10784
10785 for x in 1..=100 {
10786 let (_, state) = cx.draw(
10787 Default::default(),
10788 size(px(200. + 0.13 * x as f32), px(500.)),
10789 |_, _| EditorElement::new(&editor, style.clone()),
10790 );
10791
10792 assert!(
10793 state.position_map.scroll_max.x == 0.,
10794 "Soft wrapped editor should have no horizontal scrolling!"
10795 );
10796 }
10797 }
10798
10799 #[gpui::test]
10800 fn test_shape_line_numbers(cx: &mut TestAppContext) {
10801 init_test(cx, |_| {});
10802 let window = cx.add_window(|window, cx| {
10803 let buffer = MultiBuffer::build_simple(&sample_text(6, 6, 'a'), cx);
10804 Editor::new(EditorMode::full(), buffer, None, window, cx)
10805 });
10806
10807 let editor = window.root(cx).unwrap();
10808 let style = cx.update(|cx| editor.read(cx).style().unwrap().clone());
10809 let line_height = window
10810 .update(cx, |_, window, _| {
10811 style.text.line_height_in_pixels(window.rem_size())
10812 })
10813 .unwrap();
10814 let element = EditorElement::new(&editor, style);
10815 let snapshot = window
10816 .update(cx, |editor, window, cx| editor.snapshot(window, cx))
10817 .unwrap();
10818
10819 let layouts = cx
10820 .update_window(*window, |_, window, cx| {
10821 element.layout_line_numbers(
10822 None,
10823 GutterDimensions {
10824 left_padding: Pixels::ZERO,
10825 right_padding: Pixels::ZERO,
10826 width: px(30.0),
10827 margin: Pixels::ZERO,
10828 git_blame_entries_width: None,
10829 },
10830 line_height,
10831 gpui::Point::default(),
10832 DisplayRow(0)..DisplayRow(6),
10833 &(0..6)
10834 .map(|row| RowInfo {
10835 buffer_row: Some(row),
10836 ..Default::default()
10837 })
10838 .collect::<Vec<_>>(),
10839 &BTreeMap::default(),
10840 Some(DisplayPoint::new(DisplayRow(0), 0)),
10841 &snapshot,
10842 window,
10843 cx,
10844 )
10845 })
10846 .unwrap();
10847 assert_eq!(layouts.len(), 6);
10848
10849 let relative_rows = window
10850 .update(cx, |editor, window, cx| {
10851 let snapshot = editor.snapshot(window, cx);
10852 element.calculate_relative_line_numbers(
10853 &snapshot,
10854 &(DisplayRow(0)..DisplayRow(6)),
10855 Some(DisplayRow(3)),
10856 )
10857 })
10858 .unwrap();
10859 assert_eq!(relative_rows[&DisplayRow(0)], 3);
10860 assert_eq!(relative_rows[&DisplayRow(1)], 2);
10861 assert_eq!(relative_rows[&DisplayRow(2)], 1);
10862 // current line has no relative number
10863 assert_eq!(relative_rows[&DisplayRow(4)], 1);
10864 assert_eq!(relative_rows[&DisplayRow(5)], 2);
10865
10866 // works if cursor is before screen
10867 let relative_rows = window
10868 .update(cx, |editor, window, cx| {
10869 let snapshot = editor.snapshot(window, cx);
10870 element.calculate_relative_line_numbers(
10871 &snapshot,
10872 &(DisplayRow(3)..DisplayRow(6)),
10873 Some(DisplayRow(1)),
10874 )
10875 })
10876 .unwrap();
10877 assert_eq!(relative_rows.len(), 3);
10878 assert_eq!(relative_rows[&DisplayRow(3)], 2);
10879 assert_eq!(relative_rows[&DisplayRow(4)], 3);
10880 assert_eq!(relative_rows[&DisplayRow(5)], 4);
10881
10882 // works if cursor is after screen
10883 let relative_rows = window
10884 .update(cx, |editor, window, cx| {
10885 let snapshot = editor.snapshot(window, cx);
10886 element.calculate_relative_line_numbers(
10887 &snapshot,
10888 &(DisplayRow(0)..DisplayRow(3)),
10889 Some(DisplayRow(6)),
10890 )
10891 })
10892 .unwrap();
10893 assert_eq!(relative_rows.len(), 3);
10894 assert_eq!(relative_rows[&DisplayRow(0)], 5);
10895 assert_eq!(relative_rows[&DisplayRow(1)], 4);
10896 assert_eq!(relative_rows[&DisplayRow(2)], 3);
10897 }
10898
10899 #[gpui::test]
10900 async fn test_vim_visual_selections(cx: &mut TestAppContext) {
10901 init_test(cx, |_| {});
10902
10903 let window = cx.add_window(|window, cx| {
10904 let buffer = MultiBuffer::build_simple(&(sample_text(6, 6, 'a') + "\n"), cx);
10905 Editor::new(EditorMode::full(), buffer, None, window, cx)
10906 });
10907 let cx = &mut VisualTestContext::from_window(*window, cx);
10908 let editor = window.root(cx).unwrap();
10909 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10910
10911 window
10912 .update(cx, |editor, window, cx| {
10913 editor.cursor_shape = CursorShape::Block;
10914 editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
10915 s.select_ranges([
10916 Point::new(0, 0)..Point::new(1, 0),
10917 Point::new(3, 2)..Point::new(3, 3),
10918 Point::new(5, 6)..Point::new(6, 0),
10919 ]);
10920 });
10921 })
10922 .unwrap();
10923
10924 let (_, state) = cx.draw(
10925 point(px(500.), px(500.)),
10926 size(px(500.), px(500.)),
10927 |_, _| EditorElement::new(&editor, style),
10928 );
10929
10930 assert_eq!(state.selections.len(), 1);
10931 let local_selections = &state.selections[0].1;
10932 assert_eq!(local_selections.len(), 3);
10933 // moves cursor back one line
10934 assert_eq!(
10935 local_selections[0].head,
10936 DisplayPoint::new(DisplayRow(0), 6)
10937 );
10938 assert_eq!(
10939 local_selections[0].range,
10940 DisplayPoint::new(DisplayRow(0), 0)..DisplayPoint::new(DisplayRow(1), 0)
10941 );
10942
10943 // moves cursor back one column
10944 assert_eq!(
10945 local_selections[1].range,
10946 DisplayPoint::new(DisplayRow(3), 2)..DisplayPoint::new(DisplayRow(3), 3)
10947 );
10948 assert_eq!(
10949 local_selections[1].head,
10950 DisplayPoint::new(DisplayRow(3), 2)
10951 );
10952
10953 // leaves cursor on the max point
10954 assert_eq!(
10955 local_selections[2].range,
10956 DisplayPoint::new(DisplayRow(5), 6)..DisplayPoint::new(DisplayRow(6), 0)
10957 );
10958 assert_eq!(
10959 local_selections[2].head,
10960 DisplayPoint::new(DisplayRow(6), 0)
10961 );
10962
10963 // active lines does not include 1 (even though the range of the selection does)
10964 assert_eq!(
10965 state.active_rows.keys().cloned().collect::<Vec<_>>(),
10966 vec![DisplayRow(0), DisplayRow(3), DisplayRow(5), DisplayRow(6)]
10967 );
10968 }
10969
10970 #[gpui::test]
10971 fn test_layout_with_placeholder_text_and_blocks(cx: &mut TestAppContext) {
10972 init_test(cx, |_| {});
10973
10974 let window = cx.add_window(|window, cx| {
10975 let buffer = MultiBuffer::build_simple("", cx);
10976 Editor::new(EditorMode::full(), buffer, None, window, cx)
10977 });
10978 let cx = &mut VisualTestContext::from_window(*window, cx);
10979 let editor = window.root(cx).unwrap();
10980 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10981 window
10982 .update(cx, |editor, window, cx| {
10983 editor.set_placeholder_text("hello", window, cx);
10984 editor.insert_blocks(
10985 [BlockProperties {
10986 style: BlockStyle::Fixed,
10987 placement: BlockPlacement::Above(Anchor::min()),
10988 height: Some(3),
10989 render: Arc::new(|cx| div().h(3. * cx.window.line_height()).into_any()),
10990 priority: 0,
10991 }],
10992 None,
10993 cx,
10994 );
10995
10996 // Blur the editor so that it displays placeholder text.
10997 window.blur();
10998 })
10999 .unwrap();
11000
11001 let (_, state) = cx.draw(
11002 point(px(500.), px(500.)),
11003 size(px(500.), px(500.)),
11004 |_, _| EditorElement::new(&editor, style),
11005 );
11006 assert_eq!(state.position_map.line_layouts.len(), 4);
11007 assert_eq!(state.line_numbers.len(), 1);
11008 assert_eq!(
11009 state
11010 .line_numbers
11011 .get(&MultiBufferRow(0))
11012 .map(|line_number| line_number.shaped_line.text.as_ref()),
11013 Some("1")
11014 );
11015 }
11016
11017 #[gpui::test]
11018 fn test_all_invisibles_drawing(cx: &mut TestAppContext) {
11019 const TAB_SIZE: u32 = 4;
11020
11021 let input_text = "\t \t|\t| a b";
11022 let expected_invisibles = vec![
11023 Invisible::Tab {
11024 line_start_offset: 0,
11025 line_end_offset: TAB_SIZE as usize,
11026 },
11027 Invisible::Whitespace {
11028 line_offset: TAB_SIZE as usize,
11029 },
11030 Invisible::Tab {
11031 line_start_offset: TAB_SIZE as usize + 1,
11032 line_end_offset: TAB_SIZE as usize * 2,
11033 },
11034 Invisible::Tab {
11035 line_start_offset: TAB_SIZE as usize * 2 + 1,
11036 line_end_offset: TAB_SIZE as usize * 3,
11037 },
11038 Invisible::Whitespace {
11039 line_offset: TAB_SIZE as usize * 3 + 1,
11040 },
11041 Invisible::Whitespace {
11042 line_offset: TAB_SIZE as usize * 3 + 3,
11043 },
11044 ];
11045 assert_eq!(
11046 expected_invisibles.len(),
11047 input_text
11048 .chars()
11049 .filter(|initial_char| initial_char.is_whitespace())
11050 .count(),
11051 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
11052 );
11053
11054 for show_line_numbers in [true, false] {
11055 init_test(cx, |s| {
11056 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11057 s.defaults.tab_size = NonZeroU32::new(TAB_SIZE);
11058 });
11059
11060 let actual_invisibles = collect_invisibles_from_new_editor(
11061 cx,
11062 EditorMode::full(),
11063 input_text,
11064 px(500.0),
11065 show_line_numbers,
11066 );
11067
11068 assert_eq!(expected_invisibles, actual_invisibles);
11069 }
11070 }
11071
11072 #[gpui::test]
11073 fn test_invisibles_dont_appear_in_certain_editors(cx: &mut TestAppContext) {
11074 init_test(cx, |s| {
11075 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11076 s.defaults.tab_size = NonZeroU32::new(4);
11077 });
11078
11079 for editor_mode_without_invisibles in [
11080 EditorMode::SingleLine,
11081 EditorMode::AutoHeight {
11082 min_lines: 1,
11083 max_lines: Some(100),
11084 },
11085 ] {
11086 for show_line_numbers in [true, false] {
11087 let invisibles = collect_invisibles_from_new_editor(
11088 cx,
11089 editor_mode_without_invisibles.clone(),
11090 "\t\t\t| | a b",
11091 px(500.0),
11092 show_line_numbers,
11093 );
11094 assert!(
11095 invisibles.is_empty(),
11096 "For editor mode {editor_mode_without_invisibles:?} no invisibles was expected but got {invisibles:?}"
11097 );
11098 }
11099 }
11100 }
11101
11102 #[gpui::test]
11103 fn test_wrapped_invisibles_drawing(cx: &mut TestAppContext) {
11104 let tab_size = 4;
11105 let input_text = "a\tbcd ".repeat(9);
11106 let repeated_invisibles = [
11107 Invisible::Tab {
11108 line_start_offset: 1,
11109 line_end_offset: tab_size as usize,
11110 },
11111 Invisible::Whitespace {
11112 line_offset: tab_size as usize + 3,
11113 },
11114 Invisible::Whitespace {
11115 line_offset: tab_size as usize + 4,
11116 },
11117 Invisible::Whitespace {
11118 line_offset: tab_size as usize + 5,
11119 },
11120 Invisible::Whitespace {
11121 line_offset: tab_size as usize + 6,
11122 },
11123 Invisible::Whitespace {
11124 line_offset: tab_size as usize + 7,
11125 },
11126 ];
11127 let expected_invisibles = std::iter::once(repeated_invisibles)
11128 .cycle()
11129 .take(9)
11130 .flatten()
11131 .collect::<Vec<_>>();
11132 assert_eq!(
11133 expected_invisibles.len(),
11134 input_text
11135 .chars()
11136 .filter(|initial_char| initial_char.is_whitespace())
11137 .count(),
11138 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
11139 );
11140 info!("Expected invisibles: {expected_invisibles:?}");
11141
11142 init_test(cx, |_| {});
11143
11144 // Put the same string with repeating whitespace pattern into editors of various size,
11145 // take deliberately small steps during resizing, to put all whitespace kinds near the wrap point.
11146 let resize_step = 10.0;
11147 let mut editor_width = 200.0;
11148 while editor_width <= 1000.0 {
11149 for show_line_numbers in [true, false] {
11150 update_test_language_settings(cx, |s| {
11151 s.defaults.tab_size = NonZeroU32::new(tab_size);
11152 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11153 s.defaults.preferred_line_length = Some(editor_width as u32);
11154 s.defaults.soft_wrap = Some(language_settings::SoftWrap::PreferredLineLength);
11155 });
11156
11157 let actual_invisibles = collect_invisibles_from_new_editor(
11158 cx,
11159 EditorMode::full(),
11160 &input_text,
11161 px(editor_width),
11162 show_line_numbers,
11163 );
11164
11165 // Whatever the editor size is, ensure it has the same invisible kinds in the same order
11166 // (no good guarantees about the offsets: wrapping could trigger padding and its tests should check the offsets).
11167 let mut i = 0;
11168 for (actual_index, actual_invisible) in actual_invisibles.iter().enumerate() {
11169 i = actual_index;
11170 match expected_invisibles.get(i) {
11171 Some(expected_invisible) => match (expected_invisible, actual_invisible) {
11172 (Invisible::Whitespace { .. }, Invisible::Whitespace { .. })
11173 | (Invisible::Tab { .. }, Invisible::Tab { .. }) => {}
11174 _ => {
11175 panic!(
11176 "At index {i}, expected invisible {expected_invisible:?} does not match actual {actual_invisible:?} by kind. Actual invisibles: {actual_invisibles:?}"
11177 )
11178 }
11179 },
11180 None => {
11181 panic!("Unexpected extra invisible {actual_invisible:?} at index {i}")
11182 }
11183 }
11184 }
11185 let missing_expected_invisibles = &expected_invisibles[i + 1..];
11186 assert!(
11187 missing_expected_invisibles.is_empty(),
11188 "Missing expected invisibles after index {i}: {missing_expected_invisibles:?}"
11189 );
11190
11191 editor_width += resize_step;
11192 }
11193 }
11194 }
11195
11196 fn collect_invisibles_from_new_editor(
11197 cx: &mut TestAppContext,
11198 editor_mode: EditorMode,
11199 input_text: &str,
11200 editor_width: Pixels,
11201 show_line_numbers: bool,
11202 ) -> Vec<Invisible> {
11203 info!(
11204 "Creating editor with mode {editor_mode:?}, width {}px and text '{input_text}'",
11205 f32::from(editor_width)
11206 );
11207 let window = cx.add_window(|window, cx| {
11208 let buffer = MultiBuffer::build_simple(input_text, cx);
11209 Editor::new(editor_mode, buffer, None, window, cx)
11210 });
11211 let cx = &mut VisualTestContext::from_window(*window, cx);
11212 let editor = window.root(cx).unwrap();
11213
11214 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
11215 window
11216 .update(cx, |editor, _, cx| {
11217 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
11218 editor.set_wrap_width(Some(editor_width), cx);
11219 editor.set_show_line_numbers(show_line_numbers, cx);
11220 })
11221 .unwrap();
11222 let (_, state) = cx.draw(
11223 point(px(500.), px(500.)),
11224 size(px(500.), px(500.)),
11225 |_, _| EditorElement::new(&editor, style),
11226 );
11227 state
11228 .position_map
11229 .line_layouts
11230 .iter()
11231 .flat_map(|line_with_invisibles| &line_with_invisibles.invisibles)
11232 .cloned()
11233 .collect()
11234 }
11235
11236 #[gpui::test]
11237 fn test_merge_overlapping_ranges() {
11238 let base_bg = Hsla::white();
11239 let color1 = Hsla {
11240 h: 0.0,
11241 s: 0.5,
11242 l: 0.5,
11243 a: 0.5,
11244 };
11245 let color2 = Hsla {
11246 h: 120.0,
11247 s: 0.5,
11248 l: 0.5,
11249 a: 0.5,
11250 };
11251
11252 let display_point = |col| DisplayPoint::new(DisplayRow(0), col);
11253 let cols = |v: &Vec<(Range<DisplayPoint>, Hsla)>| -> Vec<(u32, u32)> {
11254 v.iter()
11255 .map(|(r, _)| (r.start.column(), r.end.column()))
11256 .collect()
11257 };
11258
11259 // Test overlapping ranges blend colors
11260 let overlapping = vec![
11261 (display_point(5)..display_point(15), color1),
11262 (display_point(10)..display_point(20), color2),
11263 ];
11264 let result = EditorElement::merge_overlapping_ranges(overlapping, base_bg);
11265 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11266
11267 // Test middle segment should have blended color
11268 let blended = Hsla::blend(Hsla::blend(base_bg, color1), color2);
11269 assert_eq!(result[1].1, blended);
11270
11271 // Test adjacent same-color ranges merge
11272 let adjacent_same = vec![
11273 (display_point(5)..display_point(10), color1),
11274 (display_point(10)..display_point(15), color1),
11275 ];
11276 let result = EditorElement::merge_overlapping_ranges(adjacent_same, base_bg);
11277 assert_eq!(cols(&result), vec![(5, 15)]);
11278
11279 // Test contained range splits
11280 let contained = vec![
11281 (display_point(5)..display_point(20), color1),
11282 (display_point(10)..display_point(15), color2),
11283 ];
11284 let result = EditorElement::merge_overlapping_ranges(contained, base_bg);
11285 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11286
11287 // Test multiple overlaps split at every boundary
11288 let color3 = Hsla {
11289 h: 240.0,
11290 s: 0.5,
11291 l: 0.5,
11292 a: 0.5,
11293 };
11294 let complex = vec![
11295 (display_point(5)..display_point(12), color1),
11296 (display_point(8)..display_point(16), color2),
11297 (display_point(10)..display_point(14), color3),
11298 ];
11299 let result = EditorElement::merge_overlapping_ranges(complex, base_bg);
11300 assert_eq!(
11301 cols(&result),
11302 vec![(5, 8), (8, 10), (10, 12), (12, 14), (14, 16)]
11303 );
11304 }
11305
11306 #[gpui::test]
11307 fn test_bg_segments_per_row() {
11308 let base_bg = Hsla::white();
11309
11310 // Case A: selection spans three display rows: row 1 [5, end), full row 2, row 3 [0, 7)
11311 {
11312 let selection_color = Hsla {
11313 h: 200.0,
11314 s: 0.5,
11315 l: 0.5,
11316 a: 0.5,
11317 };
11318 let player_color = PlayerColor {
11319 cursor: selection_color,
11320 background: selection_color,
11321 selection: selection_color,
11322 };
11323
11324 let spanning_selection = SelectionLayout {
11325 head: DisplayPoint::new(DisplayRow(3), 7),
11326 cursor_shape: CursorShape::Bar,
11327 is_newest: true,
11328 is_local: true,
11329 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 7),
11330 active_rows: DisplayRow(1)..DisplayRow(4),
11331 user_name: None,
11332 };
11333
11334 let selections = vec![(player_color, vec![spanning_selection])];
11335 let result = EditorElement::bg_segments_per_row(
11336 DisplayRow(0)..DisplayRow(5),
11337 &selections,
11338 &[],
11339 base_bg,
11340 );
11341
11342 assert_eq!(result.len(), 5);
11343 assert!(result[0].is_empty());
11344 assert_eq!(result[1].len(), 1);
11345 assert_eq!(result[2].len(), 1);
11346 assert_eq!(result[3].len(), 1);
11347 assert!(result[4].is_empty());
11348
11349 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11350 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11351 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11352 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11353 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11354 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11355 assert_eq!(result[3][0].0.start, DisplayPoint::new(DisplayRow(3), 0));
11356 assert_eq!(result[3][0].0.end, DisplayPoint::new(DisplayRow(3), 7));
11357 }
11358
11359 // Case B: selection ends exactly at the start of row 3, excluding row 3
11360 {
11361 let selection_color = Hsla {
11362 h: 120.0,
11363 s: 0.5,
11364 l: 0.5,
11365 a: 0.5,
11366 };
11367 let player_color = PlayerColor {
11368 cursor: selection_color,
11369 background: selection_color,
11370 selection: selection_color,
11371 };
11372
11373 let selection = SelectionLayout {
11374 head: DisplayPoint::new(DisplayRow(2), 0),
11375 cursor_shape: CursorShape::Bar,
11376 is_newest: true,
11377 is_local: true,
11378 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 0),
11379 active_rows: DisplayRow(1)..DisplayRow(3),
11380 user_name: None,
11381 };
11382
11383 let selections = vec![(player_color, vec![selection])];
11384 let result = EditorElement::bg_segments_per_row(
11385 DisplayRow(0)..DisplayRow(4),
11386 &selections,
11387 &[],
11388 base_bg,
11389 );
11390
11391 assert_eq!(result.len(), 4);
11392 assert!(result[0].is_empty());
11393 assert_eq!(result[1].len(), 1);
11394 assert_eq!(result[2].len(), 1);
11395 assert!(result[3].is_empty());
11396
11397 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11398 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11399 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11400 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11401 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11402 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11403 }
11404 }
11405
11406 #[cfg(test)]
11407 fn generate_test_run(len: usize, color: Hsla) -> TextRun {
11408 TextRun {
11409 len,
11410 font: gpui::font(".SystemUIFont"),
11411 color,
11412 background_color: None,
11413 underline: None,
11414 strikethrough: None,
11415 }
11416 }
11417
11418 #[gpui::test]
11419 fn test_split_runs_by_bg_segments(cx: &mut gpui::TestAppContext) {
11420 init_test(cx, |_| {});
11421
11422 let dx = |start: u32, end: u32| {
11423 DisplayPoint::new(DisplayRow(0), start)..DisplayPoint::new(DisplayRow(0), end)
11424 };
11425
11426 let text_color = Hsla {
11427 h: 210.0,
11428 s: 0.1,
11429 l: 0.4,
11430 a: 1.0,
11431 };
11432 let bg_1 = Hsla {
11433 h: 30.0,
11434 s: 0.6,
11435 l: 0.8,
11436 a: 1.0,
11437 };
11438 let bg_2 = Hsla {
11439 h: 200.0,
11440 s: 0.6,
11441 l: 0.2,
11442 a: 1.0,
11443 };
11444 let min_contrast = 45.0;
11445 let adjusted_bg1 = ensure_minimum_contrast(text_color, bg_1, min_contrast);
11446 let adjusted_bg2 = ensure_minimum_contrast(text_color, bg_2, min_contrast);
11447
11448 // Case A: single run; disjoint segments inside the run
11449 {
11450 let runs = vec![generate_test_run(20, text_color)];
11451 let segs = vec![(dx(5, 10), bg_1), (dx(12, 16), bg_2)];
11452 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11453 // Expected slices: [0,5) [5,10) [10,12) [12,16) [16,20)
11454 assert_eq!(
11455 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11456 vec![5, 5, 2, 4, 4]
11457 );
11458 assert_eq!(out[0].color, text_color);
11459 assert_eq!(out[1].color, adjusted_bg1);
11460 assert_eq!(out[2].color, text_color);
11461 assert_eq!(out[3].color, adjusted_bg2);
11462 assert_eq!(out[4].color, text_color);
11463 }
11464
11465 // Case B: multiple runs; segment extends to end of line (u32::MAX)
11466 {
11467 let runs = vec![
11468 generate_test_run(8, text_color),
11469 generate_test_run(7, text_color),
11470 ];
11471 let segs = vec![(dx(6, u32::MAX), bg_1)];
11472 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11473 // Expected slices across runs: [0,6) [6,8) | [0,7)
11474 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![6, 2, 7]);
11475 assert_eq!(out[0].color, text_color);
11476 assert_eq!(out[1].color, adjusted_bg1);
11477 assert_eq!(out[2].color, adjusted_bg1);
11478 }
11479
11480 // Case C: multi-byte characters
11481 {
11482 // for text: "Hello π δΈη!"
11483 let runs = vec![
11484 generate_test_run(5, text_color), // "Hello"
11485 generate_test_run(6, text_color), // " π "
11486 generate_test_run(6, text_color), // "δΈη"
11487 generate_test_run(1, text_color), // "!"
11488 ];
11489 // selecting "π δΈ"
11490 let segs = vec![(dx(6, 14), bg_1)];
11491 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11492 // "Hello" | " " | "π " | "δΈ" | "η" | "!"
11493 assert_eq!(
11494 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11495 vec![5, 1, 5, 3, 3, 1]
11496 );
11497 assert_eq!(out[0].color, text_color); // "Hello"
11498 assert_eq!(out[2].color, adjusted_bg1); // "π "
11499 assert_eq!(out[3].color, adjusted_bg1); // "δΈ"
11500 assert_eq!(out[4].color, text_color); // "η"
11501 assert_eq!(out[5].color, text_color); // "!"
11502 }
11503
11504 // Case D: split multiple consecutive text runs with segments
11505 {
11506 let segs = vec![
11507 (dx(2, 4), bg_1), // selecting "cd"
11508 (dx(4, 8), bg_2), // selecting "efgh"
11509 (dx(9, 11), bg_1), // selecting "jk"
11510 (dx(12, 16), bg_2), // selecting "mnop"
11511 (dx(18, 19), bg_1), // selecting "s"
11512 ];
11513
11514 // for text: "abcdef"
11515 let runs = vec![
11516 generate_test_run(2, text_color), // ab
11517 generate_test_run(4, text_color), // cdef
11518 ];
11519 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11520 // new splits "ab", "cd", "ef"
11521 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![2, 2, 2]);
11522 assert_eq!(out[0].color, text_color);
11523 assert_eq!(out[1].color, adjusted_bg1);
11524 assert_eq!(out[2].color, adjusted_bg2);
11525
11526 // for text: "ghijklmn"
11527 let runs = vec![
11528 generate_test_run(3, text_color), // ghi
11529 generate_test_run(2, text_color), // jk
11530 generate_test_run(3, text_color), // lmn
11531 ];
11532 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 6); // 2 + 4 from first run
11533 // new splits "gh", "i", "jk", "l", "mn"
11534 assert_eq!(
11535 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11536 vec![2, 1, 2, 1, 2]
11537 );
11538 assert_eq!(out[0].color, adjusted_bg2);
11539 assert_eq!(out[1].color, text_color);
11540 assert_eq!(out[2].color, adjusted_bg1);
11541 assert_eq!(out[3].color, text_color);
11542 assert_eq!(out[4].color, adjusted_bg2);
11543
11544 // for text: "opqrs"
11545 let runs = vec![
11546 generate_test_run(1, text_color), // o
11547 generate_test_run(4, text_color), // pqrs
11548 ];
11549 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 14); // 6 + 3 + 2 + 3 from first two runs
11550 // new splits "o", "p", "qr", "s"
11551 assert_eq!(
11552 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11553 vec![1, 1, 2, 1]
11554 );
11555 assert_eq!(out[0].color, adjusted_bg2);
11556 assert_eq!(out[1].color, adjusted_bg2);
11557 assert_eq!(out[2].color, text_color);
11558 assert_eq!(out[3].color, adjusted_bg1);
11559 }
11560 }
11561}