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