1use crate::{
2 ActiveDiagnostic, BlockId, CURSORS_VISIBLE_FOR, ChunkRendererContext, ChunkReplacement,
3 CodeActionSource, ColumnarMode, ConflictsOurs, ConflictsOursMarker, ConflictsOuter,
4 ConflictsTheirs, ConflictsTheirsMarker, ContextMenuPlacement, CursorShape, CustomBlockId,
5 DisplayDiffHunk, DisplayPoint, DisplayRow, DocumentHighlightRead, DocumentHighlightWrite,
6 EditDisplayMode, EditPrediction, Editor, EditorMode, EditorSettings, EditorSnapshot,
7 EditorStyle, FILE_HEADER_HEIGHT, FocusedBlock, GutterDimensions, HalfPageDown, HalfPageUp,
8 HandleInput, HoveredCursor, InlayHintRefreshReason, JumpData, LineDown, LineHighlight, LineUp,
9 MAX_LINE_LEN, MINIMAP_FONT_SIZE, MULTI_BUFFER_EXCERPT_HEADER_HEIGHT, OpenExcerpts, PageDown,
10 PageUp, PhantomBreakpointIndicator, Point, RowExt, RowRangeExt, SelectPhase,
11 SelectedTextHighlight, Selection, SelectionDragState, SoftWrap, StickyHeaderExcerpt, ToPoint,
12 ToggleFold, ToggleFoldAll,
13 code_context_menus::{CodeActionsMenu, MENU_ASIDE_MAX_WIDTH, MENU_ASIDE_MIN_WIDTH, MENU_GAP},
14 display_map::{
15 Block, BlockContext, BlockStyle, ChunkRendererId, DisplaySnapshot, EditorMargins,
16 HighlightKey, HighlightedChunk, ToDisplayPoint,
17 },
18 editor_settings::{
19 CurrentLineHighlight, DocumentColorsRenderMode, DoubleClickInMultibuffer, Minimap,
20 MinimapThumb, MinimapThumbBorder, ScrollBeyondLastLine, ScrollbarAxes,
21 ScrollbarDiagnostics, ShowMinimap,
22 },
23 git::blame::{BlameRenderer, GitBlame, GlobalBlameRenderer},
24 hover_popover::{
25 self, HOVER_POPOVER_GAP, MIN_POPOVER_CHARACTER_WIDTH, MIN_POPOVER_LINE_HEIGHT,
26 POPOVER_RIGHT_OFFSET, hover_at,
27 },
28 inlay_hint_settings,
29 items::BufferSearchHighlights,
30 mouse_context_menu::{self, MenuPosition},
31 scroll::{
32 ActiveScrollbarState, ScrollOffset, ScrollPixelOffset, ScrollbarThumbState,
33 scroll_amount::ScrollAmount,
34 },
35};
36use buffer_diff::{DiffHunkStatus, DiffHunkStatusKind};
37use collections::{BTreeMap, HashMap};
38use file_icons::FileIcons;
39use git::{
40 Oid,
41 blame::{BlameEntry, ParsedCommitMessage},
42 status::FileStatus,
43};
44use gpui::{
45 Action, Along, AnyElement, App, AppContext, AvailableSpace, Axis as ScrollbarAxis, BorderStyle,
46 Bounds, ClickEvent, ClipboardItem, ContentMask, Context, Corner, Corners, CursorStyle,
47 DispatchPhase, Edges, Element, ElementInputHandler, Entity, Focusable as _, FontId,
48 GlobalElementId, Hitbox, HitboxBehavior, Hsla, InteractiveElement, IntoElement, IsZero,
49 KeybindingKeystroke, Length, Modifiers, ModifiersChangedEvent, MouseButton, MouseClickEvent,
50 MouseDownEvent, MouseMoveEvent, MouseUpEvent, PaintQuad, ParentElement, Pixels, ScrollDelta,
51 ScrollHandle, ScrollWheelEvent, ShapedLine, SharedString, Size, StatefulInteractiveElement,
52 Style, Styled, TextRun, TextStyleRefinement, WeakEntity, Window, anchored, deferred, div, fill,
53 linear_color_stop, linear_gradient, outline, point, px, quad, relative, size, solid_background,
54 transparent_black,
55};
56use itertools::Itertools;
57use language::{IndentGuideSettings, language_settings::ShowWhitespaceSetting};
58use markdown::Markdown;
59use multi_buffer::{
60 Anchor, ExcerptId, ExcerptInfo, ExpandExcerptDirection, ExpandInfo, MultiBufferPoint,
61 MultiBufferRow, RowInfo,
62};
63
64use project::{
65 Entry, ProjectPath,
66 debugger::breakpoint_store::{Breakpoint, BreakpointSessionState},
67 project_settings::ProjectSettings,
68};
69use settings::{
70 GitGutterSetting, GitHunkStyleSetting, IndentGuideBackgroundColoring, IndentGuideColoring,
71 Settings,
72};
73use smallvec::{SmallVec, smallvec};
74use std::{
75 any::TypeId,
76 borrow::Cow,
77 cmp::{self, Ordering},
78 fmt::{self, Write},
79 iter, mem,
80 ops::{Deref, Range},
81 path::{self, Path},
82 rc::Rc,
83 sync::Arc,
84 time::{Duration, Instant},
85};
86use sum_tree::Bias;
87use text::{BufferId, SelectionGoal};
88use theme::{ActiveTheme, Appearance, BufferLineHeight, PlayerColor};
89use ui::utils::ensure_minimum_contrast;
90use ui::{
91 ButtonLike, ContextMenu, Indicator, KeyBinding, POPOVER_Y_PADDING, Tooltip, h_flex, prelude::*,
92 right_click_menu, scrollbars::ShowScrollbar, text_for_keystroke,
93};
94use unicode_segmentation::UnicodeSegmentation;
95use util::post_inc;
96use util::{RangeExt, ResultExt, debug_panic};
97use workspace::{
98 CollaboratorId, ItemSettings, OpenInTerminal, OpenTerminal, RevealInProjectPanel, Workspace,
99 item::{Item, ItemBufferKind},
100 notifications::NotifyTaskExt,
101};
102
103/// Determines what kinds of highlights should be applied to a lines background.
104#[derive(Clone, Copy, Default)]
105struct LineHighlightSpec {
106 selection: bool,
107 breakpoint: bool,
108 _active_stack_frame: bool,
109}
110
111#[derive(Debug)]
112struct SelectionLayout {
113 head: DisplayPoint,
114 cursor_shape: CursorShape,
115 is_newest: bool,
116 is_local: bool,
117 range: Range<DisplayPoint>,
118 active_rows: Range<DisplayRow>,
119 user_name: Option<SharedString>,
120}
121
122struct InlineBlameLayout {
123 element: AnyElement,
124 bounds: Bounds<Pixels>,
125 buffer_id: BufferId,
126 entry: BlameEntry,
127}
128
129impl SelectionLayout {
130 fn new<T: ToPoint + ToDisplayPoint + Clone>(
131 selection: Selection<T>,
132 line_mode: bool,
133 cursor_shape: CursorShape,
134 map: &DisplaySnapshot,
135 is_newest: bool,
136 is_local: bool,
137 user_name: Option<SharedString>,
138 ) -> Self {
139 let point_selection = selection.map(|p| p.to_point(map.buffer_snapshot()));
140 let display_selection = point_selection.map(|p| p.to_display_point(map));
141 let mut range = display_selection.range();
142 let mut head = display_selection.head();
143 let mut active_rows = map.prev_line_boundary(point_selection.start).1.row()
144 ..map.next_line_boundary(point_selection.end).1.row();
145
146 // vim visual line mode
147 if line_mode {
148 let point_range = map.expand_to_line(point_selection.range());
149 range = point_range.start.to_display_point(map)..point_range.end.to_display_point(map);
150 }
151
152 // any vim visual mode (including line mode)
153 if (cursor_shape == CursorShape::Block || cursor_shape == CursorShape::Hollow)
154 && !range.is_empty()
155 && !selection.reversed
156 {
157 if head.column() > 0 {
158 head = map.clip_point(DisplayPoint::new(head.row(), head.column() - 1), Bias::Left)
159 } else if head.row().0 > 0 && head != map.max_point() {
160 head = map.clip_point(
161 DisplayPoint::new(
162 head.row().previous_row(),
163 map.line_len(head.row().previous_row()),
164 ),
165 Bias::Left,
166 );
167 // updating range.end is a no-op unless you're cursor is
168 // on the newline containing a multi-buffer divider
169 // in which case the clip_point may have moved the head up
170 // an additional row.
171 range.end = DisplayPoint::new(head.row().next_row(), 0);
172 active_rows.end = head.row();
173 }
174 }
175
176 Self {
177 head,
178 cursor_shape,
179 is_newest,
180 is_local,
181 range,
182 active_rows,
183 user_name,
184 }
185 }
186}
187
188pub struct EditorElement {
189 editor: Entity<Editor>,
190 style: EditorStyle,
191}
192
193type DisplayRowDelta = u32;
194
195impl EditorElement {
196 pub(crate) const SCROLLBAR_WIDTH: Pixels = px(15.);
197
198 pub fn new(editor: &Entity<Editor>, style: EditorStyle) -> Self {
199 Self {
200 editor: editor.clone(),
201 style,
202 }
203 }
204
205 fn register_actions(&self, window: &mut Window, cx: &mut App) {
206 let editor = &self.editor;
207 editor.update(cx, |editor, cx| {
208 for action in editor.editor_actions.borrow().values() {
209 (action)(editor, window, cx)
210 }
211 });
212
213 crate::rust_analyzer_ext::apply_related_actions(editor, window, cx);
214 crate::clangd_ext::apply_related_actions(editor, window, cx);
215
216 register_action(editor, window, Editor::open_context_menu);
217 register_action(editor, window, Editor::move_left);
218 register_action(editor, window, Editor::move_right);
219 register_action(editor, window, Editor::move_down);
220 register_action(editor, window, Editor::move_down_by_lines);
221 register_action(editor, window, Editor::select_down_by_lines);
222 register_action(editor, window, Editor::move_up);
223 register_action(editor, window, Editor::move_up_by_lines);
224 register_action(editor, window, Editor::select_up_by_lines);
225 register_action(editor, window, Editor::select_page_down);
226 register_action(editor, window, Editor::select_page_up);
227 register_action(editor, window, Editor::cancel);
228 register_action(editor, window, Editor::newline);
229 register_action(editor, window, Editor::newline_above);
230 register_action(editor, window, Editor::newline_below);
231 register_action(editor, window, Editor::backspace);
232 register_action(editor, window, Editor::blame_hover);
233 register_action(editor, window, Editor::delete);
234 register_action(editor, window, Editor::tab);
235 register_action(editor, window, Editor::backtab);
236 register_action(editor, window, Editor::indent);
237 register_action(editor, window, Editor::outdent);
238 register_action(editor, window, Editor::autoindent);
239 register_action(editor, window, Editor::delete_line);
240 register_action(editor, window, Editor::join_lines);
241 register_action(editor, window, Editor::sort_lines_by_length);
242 register_action(editor, window, Editor::sort_lines_case_sensitive);
243 register_action(editor, window, Editor::sort_lines_case_insensitive);
244 register_action(editor, window, Editor::reverse_lines);
245 register_action(editor, window, Editor::shuffle_lines);
246 register_action(editor, window, Editor::convert_indentation_to_spaces);
247 register_action(editor, window, Editor::convert_indentation_to_tabs);
248 register_action(editor, window, Editor::convert_to_upper_case);
249 register_action(editor, window, Editor::convert_to_lower_case);
250 register_action(editor, window, Editor::convert_to_title_case);
251 register_action(editor, window, Editor::convert_to_snake_case);
252 register_action(editor, window, Editor::convert_to_kebab_case);
253 register_action(editor, window, Editor::convert_to_upper_camel_case);
254 register_action(editor, window, Editor::convert_to_lower_camel_case);
255 register_action(editor, window, Editor::convert_to_opposite_case);
256 register_action(editor, window, Editor::convert_to_sentence_case);
257 register_action(editor, window, Editor::toggle_case);
258 register_action(editor, window, Editor::convert_to_rot13);
259 register_action(editor, window, Editor::convert_to_rot47);
260 register_action(editor, window, Editor::delete_to_previous_word_start);
261 register_action(editor, window, Editor::delete_to_previous_subword_start);
262 register_action(editor, window, Editor::delete_to_next_word_end);
263 register_action(editor, window, Editor::delete_to_next_subword_end);
264 register_action(editor, window, Editor::delete_to_beginning_of_line);
265 register_action(editor, window, Editor::delete_to_end_of_line);
266 register_action(editor, window, Editor::cut_to_end_of_line);
267 register_action(editor, window, Editor::duplicate_line_up);
268 register_action(editor, window, Editor::duplicate_line_down);
269 register_action(editor, window, Editor::duplicate_selection);
270 register_action(editor, window, Editor::move_line_up);
271 register_action(editor, window, Editor::move_line_down);
272 register_action(editor, window, Editor::transpose);
273 register_action(editor, window, Editor::rewrap);
274 register_action(editor, window, Editor::cut);
275 register_action(editor, window, Editor::kill_ring_cut);
276 register_action(editor, window, Editor::kill_ring_yank);
277 register_action(editor, window, Editor::copy);
278 register_action(editor, window, Editor::copy_and_trim);
279 register_action(editor, window, Editor::diff_clipboard_with_selection);
280 register_action(editor, window, Editor::paste);
281 register_action(editor, window, Editor::undo);
282 register_action(editor, window, Editor::redo);
283 register_action(editor, window, Editor::move_page_up);
284 register_action(editor, window, Editor::move_page_down);
285 register_action(editor, window, Editor::next_screen);
286 register_action(editor, window, Editor::scroll_cursor_top);
287 register_action(editor, window, Editor::scroll_cursor_center);
288 register_action(editor, window, Editor::scroll_cursor_bottom);
289 register_action(editor, window, Editor::scroll_cursor_center_top_bottom);
290 register_action(editor, window, |editor, _: &LineDown, window, cx| {
291 editor.scroll_screen(&ScrollAmount::Line(1.), window, cx)
292 });
293 register_action(editor, window, |editor, _: &LineUp, window, cx| {
294 editor.scroll_screen(&ScrollAmount::Line(-1.), window, cx)
295 });
296 register_action(editor, window, |editor, _: &HalfPageDown, window, cx| {
297 editor.scroll_screen(&ScrollAmount::Page(0.5), window, cx)
298 });
299 register_action(
300 editor,
301 window,
302 |editor, HandleInput(text): &HandleInput, window, cx| {
303 if text.is_empty() {
304 return;
305 }
306 editor.handle_input(text, window, cx);
307 },
308 );
309 register_action(editor, window, |editor, _: &HalfPageUp, window, cx| {
310 editor.scroll_screen(&ScrollAmount::Page(-0.5), window, cx)
311 });
312 register_action(editor, window, |editor, _: &PageDown, window, cx| {
313 editor.scroll_screen(&ScrollAmount::Page(1.), window, cx)
314 });
315 register_action(editor, window, |editor, _: &PageUp, window, cx| {
316 editor.scroll_screen(&ScrollAmount::Page(-1.), window, cx)
317 });
318 register_action(editor, window, Editor::move_to_previous_word_start);
319 register_action(editor, window, Editor::move_to_previous_subword_start);
320 register_action(editor, window, Editor::move_to_next_word_end);
321 register_action(editor, window, Editor::move_to_next_subword_end);
322 register_action(editor, window, Editor::move_to_beginning_of_line);
323 register_action(editor, window, Editor::move_to_end_of_line);
324 register_action(editor, window, Editor::move_to_start_of_paragraph);
325 register_action(editor, window, Editor::move_to_end_of_paragraph);
326 register_action(editor, window, Editor::move_to_beginning);
327 register_action(editor, window, Editor::move_to_end);
328 register_action(editor, window, Editor::move_to_start_of_excerpt);
329 register_action(editor, window, Editor::move_to_start_of_next_excerpt);
330 register_action(editor, window, Editor::move_to_end_of_excerpt);
331 register_action(editor, window, Editor::move_to_end_of_previous_excerpt);
332 register_action(editor, window, Editor::select_up);
333 register_action(editor, window, Editor::select_down);
334 register_action(editor, window, Editor::select_left);
335 register_action(editor, window, Editor::select_right);
336 register_action(editor, window, Editor::select_to_previous_word_start);
337 register_action(editor, window, Editor::select_to_previous_subword_start);
338 register_action(editor, window, Editor::select_to_next_word_end);
339 register_action(editor, window, Editor::select_to_next_subword_end);
340 register_action(editor, window, Editor::select_to_beginning_of_line);
341 register_action(editor, window, Editor::select_to_end_of_line);
342 register_action(editor, window, Editor::select_to_start_of_paragraph);
343 register_action(editor, window, Editor::select_to_end_of_paragraph);
344 register_action(editor, window, Editor::select_to_start_of_excerpt);
345 register_action(editor, window, Editor::select_to_start_of_next_excerpt);
346 register_action(editor, window, Editor::select_to_end_of_excerpt);
347 register_action(editor, window, Editor::select_to_end_of_previous_excerpt);
348 register_action(editor, window, Editor::select_to_beginning);
349 register_action(editor, window, Editor::select_to_end);
350 register_action(editor, window, Editor::select_all);
351 register_action(editor, window, |editor, action, window, cx| {
352 editor.select_all_matches(action, window, cx).log_err();
353 });
354 register_action(editor, window, Editor::select_line);
355 register_action(editor, window, Editor::split_selection_into_lines);
356 register_action(editor, window, Editor::add_selection_above);
357 register_action(editor, window, Editor::add_selection_below);
358 register_action(editor, window, |editor, action, window, cx| {
359 editor.select_next(action, window, cx).log_err();
360 });
361 register_action(editor, window, |editor, action, window, cx| {
362 editor.select_previous(action, window, cx).log_err();
363 });
364 register_action(editor, window, |editor, action, window, cx| {
365 editor.find_next_match(action, window, cx).log_err();
366 });
367 register_action(editor, window, |editor, action, window, cx| {
368 editor.find_previous_match(action, window, cx).log_err();
369 });
370 register_action(editor, window, Editor::toggle_comments);
371 register_action(editor, window, Editor::select_larger_syntax_node);
372 register_action(editor, window, Editor::select_smaller_syntax_node);
373 register_action(editor, window, Editor::select_next_syntax_node);
374 register_action(editor, window, Editor::select_prev_syntax_node);
375 register_action(editor, window, Editor::unwrap_syntax_node);
376 register_action(editor, window, Editor::select_enclosing_symbol);
377 register_action(editor, window, Editor::move_to_enclosing_bracket);
378 register_action(editor, window, Editor::undo_selection);
379 register_action(editor, window, Editor::redo_selection);
380 if editor.read(cx).buffer_kind(cx) == ItemBufferKind::Multibuffer {
381 register_action(editor, window, Editor::expand_excerpts);
382 register_action(editor, window, Editor::expand_excerpts_up);
383 register_action(editor, window, Editor::expand_excerpts_down);
384 }
385 register_action(editor, window, Editor::go_to_diagnostic);
386 register_action(editor, window, Editor::go_to_prev_diagnostic);
387 register_action(editor, window, Editor::go_to_next_hunk);
388 register_action(editor, window, Editor::go_to_prev_hunk);
389 register_action(editor, window, Editor::go_to_next_document_highlight);
390 register_action(editor, window, Editor::go_to_prev_document_highlight);
391 register_action(editor, window, |editor, action, window, cx| {
392 editor
393 .go_to_definition(action, window, cx)
394 .detach_and_log_err(cx);
395 });
396 register_action(editor, window, |editor, action, window, cx| {
397 editor
398 .go_to_definition_split(action, window, cx)
399 .detach_and_log_err(cx);
400 });
401 register_action(editor, window, |editor, action, window, cx| {
402 editor
403 .go_to_declaration(action, window, cx)
404 .detach_and_log_err(cx);
405 });
406 register_action(editor, window, |editor, action, window, cx| {
407 editor
408 .go_to_declaration_split(action, window, cx)
409 .detach_and_log_err(cx);
410 });
411 register_action(editor, window, |editor, action, window, cx| {
412 editor
413 .go_to_implementation(action, window, cx)
414 .detach_and_log_err(cx);
415 });
416 register_action(editor, window, |editor, action, window, cx| {
417 editor
418 .go_to_implementation_split(action, window, cx)
419 .detach_and_log_err(cx);
420 });
421 register_action(editor, window, |editor, action, window, cx| {
422 editor
423 .go_to_type_definition(action, window, cx)
424 .detach_and_log_err(cx);
425 });
426 register_action(editor, window, |editor, action, window, cx| {
427 editor
428 .go_to_type_definition_split(action, window, cx)
429 .detach_and_log_err(cx);
430 });
431 register_action(editor, window, Editor::open_url);
432 register_action(editor, window, Editor::open_selected_filename);
433 register_action(editor, window, Editor::fold);
434 register_action(editor, window, Editor::fold_at_level);
435 register_action(editor, window, Editor::fold_at_level_1);
436 register_action(editor, window, Editor::fold_at_level_2);
437 register_action(editor, window, Editor::fold_at_level_3);
438 register_action(editor, window, Editor::fold_at_level_4);
439 register_action(editor, window, Editor::fold_at_level_5);
440 register_action(editor, window, Editor::fold_at_level_6);
441 register_action(editor, window, Editor::fold_at_level_7);
442 register_action(editor, window, Editor::fold_at_level_8);
443 register_action(editor, window, Editor::fold_at_level_9);
444 register_action(editor, window, Editor::fold_all);
445 register_action(editor, window, Editor::fold_function_bodies);
446 register_action(editor, window, Editor::fold_recursive);
447 register_action(editor, window, Editor::toggle_fold);
448 register_action(editor, window, Editor::toggle_fold_recursive);
449 register_action(editor, window, Editor::toggle_fold_all);
450 register_action(editor, window, Editor::unfold_lines);
451 register_action(editor, window, Editor::unfold_recursive);
452 register_action(editor, window, Editor::unfold_all);
453 register_action(editor, window, Editor::fold_selected_ranges);
454 register_action(editor, window, Editor::set_mark);
455 register_action(editor, window, Editor::swap_selection_ends);
456 register_action(editor, window, Editor::show_completions);
457 register_action(editor, window, Editor::show_word_completions);
458 register_action(editor, window, Editor::toggle_code_actions);
459 register_action(editor, window, Editor::open_excerpts);
460 register_action(editor, window, Editor::open_excerpts_in_split);
461 register_action(editor, window, Editor::open_proposed_changes_editor);
462 register_action(editor, window, Editor::toggle_soft_wrap);
463 register_action(editor, window, Editor::toggle_tab_bar);
464 register_action(editor, window, Editor::toggle_line_numbers);
465 register_action(editor, window, Editor::toggle_relative_line_numbers);
466 register_action(editor, window, Editor::toggle_indent_guides);
467 register_action(editor, window, Editor::toggle_inlay_hints);
468 register_action(editor, window, Editor::toggle_edit_predictions);
469 if editor.read(cx).diagnostics_enabled() {
470 register_action(editor, window, Editor::toggle_diagnostics);
471 }
472 if editor.read(cx).inline_diagnostics_enabled() {
473 register_action(editor, window, Editor::toggle_inline_diagnostics);
474 }
475 if editor.read(cx).supports_minimap(cx) {
476 register_action(editor, window, Editor::toggle_minimap);
477 }
478 register_action(editor, window, hover_popover::hover);
479 register_action(editor, window, Editor::reveal_in_finder);
480 register_action(editor, window, Editor::copy_path);
481 register_action(editor, window, Editor::copy_relative_path);
482 register_action(editor, window, Editor::copy_file_name);
483 register_action(editor, window, Editor::copy_file_name_without_extension);
484 register_action(editor, window, Editor::copy_highlight_json);
485 register_action(editor, window, Editor::copy_permalink_to_line);
486 register_action(editor, window, Editor::open_permalink_to_line);
487 register_action(editor, window, Editor::copy_file_location);
488 register_action(editor, window, Editor::toggle_git_blame);
489 register_action(editor, window, Editor::toggle_git_blame_inline);
490 register_action(editor, window, Editor::open_git_blame_commit);
491 register_action(editor, window, Editor::toggle_selected_diff_hunks);
492 register_action(editor, window, Editor::toggle_staged_selected_diff_hunks);
493 register_action(editor, window, Editor::stage_and_next);
494 register_action(editor, window, Editor::unstage_and_next);
495 register_action(editor, window, Editor::expand_all_diff_hunks);
496 register_action(editor, window, Editor::go_to_previous_change);
497 register_action(editor, window, Editor::go_to_next_change);
498
499 register_action(editor, window, |editor, action, window, cx| {
500 if let Some(task) = editor.format(action, window, cx) {
501 task.detach_and_notify_err(window, cx);
502 } else {
503 cx.propagate();
504 }
505 });
506 register_action(editor, window, |editor, action, window, cx| {
507 if let Some(task) = editor.format_selections(action, window, cx) {
508 task.detach_and_notify_err(window, cx);
509 } else {
510 cx.propagate();
511 }
512 });
513 register_action(editor, window, |editor, action, window, cx| {
514 if let Some(task) = editor.organize_imports(action, window, cx) {
515 task.detach_and_notify_err(window, cx);
516 } else {
517 cx.propagate();
518 }
519 });
520 register_action(editor, window, Editor::restart_language_server);
521 register_action(editor, window, Editor::stop_language_server);
522 register_action(editor, window, Editor::show_character_palette);
523 register_action(editor, window, |editor, action, window, cx| {
524 if let Some(task) = editor.confirm_completion(action, window, cx) {
525 task.detach_and_notify_err(window, cx);
526 } else {
527 cx.propagate();
528 }
529 });
530 register_action(editor, window, |editor, action, window, cx| {
531 if let Some(task) = editor.confirm_completion_replace(action, window, cx) {
532 task.detach_and_notify_err(window, cx);
533 } else {
534 cx.propagate();
535 }
536 });
537 register_action(editor, window, |editor, action, window, cx| {
538 if let Some(task) = editor.confirm_completion_insert(action, window, cx) {
539 task.detach_and_notify_err(window, cx);
540 } else {
541 cx.propagate();
542 }
543 });
544 register_action(editor, window, |editor, action, window, cx| {
545 if let Some(task) = editor.compose_completion(action, window, cx) {
546 task.detach_and_notify_err(window, cx);
547 } else {
548 cx.propagate();
549 }
550 });
551 register_action(editor, window, |editor, action, window, cx| {
552 if let Some(task) = editor.confirm_code_action(action, window, cx) {
553 task.detach_and_notify_err(window, cx);
554 } else {
555 cx.propagate();
556 }
557 });
558 register_action(editor, window, |editor, action, window, cx| {
559 if let Some(task) = editor.rename(action, window, cx) {
560 task.detach_and_notify_err(window, cx);
561 } else {
562 cx.propagate();
563 }
564 });
565 register_action(editor, window, |editor, action, window, cx| {
566 if let Some(task) = editor.confirm_rename(action, window, cx) {
567 task.detach_and_notify_err(window, cx);
568 } else {
569 cx.propagate();
570 }
571 });
572 register_action(editor, window, |editor, action, window, cx| {
573 if let Some(task) = editor.find_all_references(action, window, cx) {
574 task.detach_and_log_err(cx);
575 } else {
576 cx.propagate();
577 }
578 });
579 register_action(editor, window, Editor::show_signature_help);
580 register_action(editor, window, Editor::signature_help_prev);
581 register_action(editor, window, Editor::signature_help_next);
582 register_action(editor, window, Editor::next_edit_prediction);
583 register_action(editor, window, Editor::previous_edit_prediction);
584 register_action(editor, window, Editor::show_edit_prediction);
585 register_action(editor, window, Editor::context_menu_first);
586 register_action(editor, window, Editor::context_menu_prev);
587 register_action(editor, window, Editor::context_menu_next);
588 register_action(editor, window, Editor::context_menu_last);
589 register_action(editor, window, Editor::display_cursor_names);
590 register_action(editor, window, Editor::unique_lines_case_insensitive);
591 register_action(editor, window, Editor::unique_lines_case_sensitive);
592 register_action(editor, window, Editor::accept_partial_edit_prediction);
593 register_action(editor, window, Editor::accept_edit_prediction);
594 register_action(editor, window, Editor::restore_file);
595 register_action(editor, window, Editor::git_restore);
596 register_action(editor, window, Editor::apply_all_diff_hunks);
597 register_action(editor, window, Editor::apply_selected_diff_hunks);
598 register_action(editor, window, Editor::open_active_item_in_terminal);
599 register_action(editor, window, Editor::reload_file);
600 register_action(editor, window, Editor::spawn_nearest_task);
601 register_action(editor, window, Editor::insert_uuid_v4);
602 register_action(editor, window, Editor::insert_uuid_v7);
603 register_action(editor, window, Editor::open_selections_in_multibuffer);
604 register_action(editor, window, Editor::toggle_breakpoint);
605 register_action(editor, window, Editor::edit_log_breakpoint);
606 register_action(editor, window, Editor::enable_breakpoint);
607 register_action(editor, window, Editor::disable_breakpoint);
608 if editor.read(cx).enable_wrap_selections_in_tag(cx) {
609 register_action(editor, window, Editor::wrap_selections_in_tag);
610 }
611 }
612
613 fn register_key_listeners(&self, window: &mut Window, _: &mut App, layout: &EditorLayout) {
614 let position_map = layout.position_map.clone();
615 window.on_key_event({
616 let editor = self.editor.clone();
617 move |event: &ModifiersChangedEvent, phase, window, cx| {
618 if phase != DispatchPhase::Bubble {
619 return;
620 }
621 editor.update(cx, |editor, cx| {
622 let inlay_hint_settings = inlay_hint_settings(
623 editor.selections.newest_anchor().head(),
624 &editor.buffer.read(cx).snapshot(cx),
625 cx,
626 );
627
628 if let Some(inlay_modifiers) = inlay_hint_settings
629 .toggle_on_modifiers_press
630 .as_ref()
631 .filter(|modifiers| modifiers.modified())
632 {
633 editor.refresh_inlay_hints(
634 InlayHintRefreshReason::ModifiersChanged(
635 inlay_modifiers == &event.modifiers,
636 ),
637 cx,
638 );
639 }
640
641 if editor.hover_state.focused(window, cx) {
642 return;
643 }
644
645 editor.handle_modifiers_changed(event.modifiers, &position_map, window, cx);
646 })
647 }
648 });
649 }
650
651 fn mouse_left_down(
652 editor: &mut Editor,
653 event: &MouseDownEvent,
654 position_map: &PositionMap,
655 line_numbers: &HashMap<MultiBufferRow, LineNumberLayout>,
656 window: &mut Window,
657 cx: &mut Context<Editor>,
658 ) {
659 if window.default_prevented() {
660 return;
661 }
662
663 let text_hitbox = &position_map.text_hitbox;
664 let gutter_hitbox = &position_map.gutter_hitbox;
665 let point_for_position = position_map.point_for_position(event.position);
666 let mut click_count = event.click_count;
667 let mut modifiers = event.modifiers;
668
669 if let Some(hovered_hunk) =
670 position_map
671 .display_hunks
672 .iter()
673 .find_map(|(hunk, hunk_hitbox)| match hunk {
674 DisplayDiffHunk::Folded { .. } => None,
675 DisplayDiffHunk::Unfolded {
676 multi_buffer_range, ..
677 } => hunk_hitbox
678 .as_ref()
679 .is_some_and(|hitbox| hitbox.is_hovered(window))
680 .then(|| multi_buffer_range.clone()),
681 })
682 {
683 editor.toggle_single_diff_hunk(hovered_hunk, cx);
684 cx.notify();
685 return;
686 } else if gutter_hitbox.is_hovered(window) {
687 click_count = 3; // Simulate triple-click when clicking the gutter to select lines
688 } else if !text_hitbox.is_hovered(window) {
689 return;
690 }
691
692 if EditorSettings::get_global(cx)
693 .drag_and_drop_selection
694 .enabled
695 && click_count == 1
696 && !modifiers.shift
697 {
698 let newest_anchor = editor.selections.newest_anchor();
699 let snapshot = editor.snapshot(window, cx);
700 let selection = newest_anchor.map(|anchor| anchor.to_display_point(&snapshot));
701 if point_for_position.intersects_selection(&selection) {
702 editor.selection_drag_state = SelectionDragState::ReadyToDrag {
703 selection: newest_anchor.clone(),
704 click_position: event.position,
705 mouse_down_time: Instant::now(),
706 };
707 cx.stop_propagation();
708 return;
709 }
710 }
711
712 let is_singleton = editor.buffer().read(cx).is_singleton();
713
714 if click_count == 2 && !is_singleton {
715 match EditorSettings::get_global(cx).double_click_in_multibuffer {
716 DoubleClickInMultibuffer::Select => {
717 // do nothing special on double click, all selection logic is below
718 }
719 DoubleClickInMultibuffer::Open => {
720 if modifiers.alt {
721 // if double click is made with alt, pretend it's a regular double click without opening and alt,
722 // and run the selection logic.
723 modifiers.alt = false;
724 } else {
725 let scroll_position_row = position_map.scroll_position.y;
726 let display_row = (((event.position - gutter_hitbox.bounds.origin).y
727 / position_map.line_height)
728 as f64
729 + position_map.scroll_position.y)
730 as u32;
731 let multi_buffer_row = position_map
732 .snapshot
733 .display_point_to_point(
734 DisplayPoint::new(DisplayRow(display_row), 0),
735 Bias::Right,
736 )
737 .row;
738 let line_offset_from_top = display_row - scroll_position_row as u32;
739 // if double click is made without alt, open the corresponding excerp
740 editor.open_excerpts_common(
741 Some(JumpData::MultiBufferRow {
742 row: MultiBufferRow(multi_buffer_row),
743 line_offset_from_top,
744 }),
745 false,
746 window,
747 cx,
748 );
749 return;
750 }
751 }
752 }
753 }
754
755 if !is_singleton {
756 let display_row = (ScrollPixelOffset::from(
757 (event.position - gutter_hitbox.bounds.origin).y / position_map.line_height,
758 ) + position_map.scroll_position.y) as u32;
759 let multi_buffer_row = position_map
760 .snapshot
761 .display_point_to_point(DisplayPoint::new(DisplayRow(display_row), 0), Bias::Right)
762 .row;
763 if line_numbers
764 .get(&MultiBufferRow(multi_buffer_row))
765 .and_then(|line_number| line_number.hitbox.as_ref())
766 .is_some_and(|hitbox| hitbox.contains(&event.position))
767 {
768 let line_offset_from_top = display_row - position_map.scroll_position.y as u32;
769
770 editor.open_excerpts_common(
771 Some(JumpData::MultiBufferRow {
772 row: MultiBufferRow(multi_buffer_row),
773 line_offset_from_top,
774 }),
775 modifiers.alt,
776 window,
777 cx,
778 );
779 cx.stop_propagation();
780 return;
781 }
782 }
783
784 let position = point_for_position.previous_valid;
785 if let Some(mode) = Editor::columnar_selection_mode(&modifiers, cx) {
786 editor.select(
787 SelectPhase::BeginColumnar {
788 position,
789 reset: match mode {
790 ColumnarMode::FromMouse => true,
791 ColumnarMode::FromSelection => false,
792 },
793 mode,
794 goal_column: point_for_position.exact_unclipped.column(),
795 },
796 window,
797 cx,
798 );
799 } else if modifiers.shift && !modifiers.control && !modifiers.alt && !modifiers.secondary()
800 {
801 editor.select(
802 SelectPhase::Extend {
803 position,
804 click_count,
805 },
806 window,
807 cx,
808 );
809 } else {
810 editor.select(
811 SelectPhase::Begin {
812 position,
813 add: Editor::multi_cursor_modifier(true, &modifiers, cx),
814 click_count,
815 },
816 window,
817 cx,
818 );
819 }
820 cx.stop_propagation();
821 }
822
823 fn mouse_right_down(
824 editor: &mut Editor,
825 event: &MouseDownEvent,
826 position_map: &PositionMap,
827 window: &mut Window,
828 cx: &mut Context<Editor>,
829 ) {
830 if position_map.gutter_hitbox.is_hovered(window) {
831 let gutter_right_padding = editor.gutter_dimensions.right_padding;
832 let hitbox = &position_map.gutter_hitbox;
833
834 if event.position.x <= hitbox.bounds.right() - gutter_right_padding {
835 let point_for_position = position_map.point_for_position(event.position);
836 editor.set_breakpoint_context_menu(
837 point_for_position.previous_valid.row(),
838 None,
839 event.position,
840 window,
841 cx,
842 );
843 }
844 return;
845 }
846
847 if !position_map.text_hitbox.is_hovered(window) {
848 return;
849 }
850
851 let point_for_position = position_map.point_for_position(event.position);
852 mouse_context_menu::deploy_context_menu(
853 editor,
854 Some(event.position),
855 point_for_position.previous_valid,
856 window,
857 cx,
858 );
859 cx.stop_propagation();
860 }
861
862 fn mouse_middle_down(
863 editor: &mut Editor,
864 event: &MouseDownEvent,
865 position_map: &PositionMap,
866 window: &mut Window,
867 cx: &mut Context<Editor>,
868 ) {
869 if !position_map.text_hitbox.is_hovered(window) || window.default_prevented() {
870 return;
871 }
872
873 let point_for_position = position_map.point_for_position(event.position);
874 let position = point_for_position.previous_valid;
875
876 editor.select(
877 SelectPhase::BeginColumnar {
878 position,
879 reset: true,
880 mode: ColumnarMode::FromMouse,
881 goal_column: point_for_position.exact_unclipped.column(),
882 },
883 window,
884 cx,
885 );
886 }
887
888 fn mouse_up(
889 editor: &mut Editor,
890 event: &MouseUpEvent,
891 position_map: &PositionMap,
892 window: &mut Window,
893 cx: &mut Context<Editor>,
894 ) {
895 let text_hitbox = &position_map.text_hitbox;
896 let end_selection = editor.has_pending_selection();
897 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
898 let point_for_position = position_map.point_for_position(event.position);
899
900 match editor.selection_drag_state {
901 SelectionDragState::ReadyToDrag {
902 selection: _,
903 ref click_position,
904 mouse_down_time: _,
905 } => {
906 if event.position == *click_position {
907 editor.select(
908 SelectPhase::Begin {
909 position: point_for_position.previous_valid,
910 add: false,
911 click_count: 1, // ready to drag state only occurs on click count 1
912 },
913 window,
914 cx,
915 );
916 editor.selection_drag_state = SelectionDragState::None;
917 cx.stop_propagation();
918 return;
919 } else {
920 debug_panic!("drag state can never be in ready state after drag")
921 }
922 }
923 SelectionDragState::Dragging { ref selection, .. } => {
924 let snapshot = editor.snapshot(window, cx);
925 let selection_display = selection.map(|anchor| anchor.to_display_point(&snapshot));
926 if !point_for_position.intersects_selection(&selection_display)
927 && text_hitbox.is_hovered(window)
928 {
929 let is_cut = !(cfg!(target_os = "macos") && event.modifiers.alt
930 || cfg!(not(target_os = "macos")) && event.modifiers.control);
931 editor.move_selection_on_drop(
932 &selection.clone(),
933 point_for_position.previous_valid,
934 is_cut,
935 window,
936 cx,
937 );
938 }
939 editor.selection_drag_state = SelectionDragState::None;
940 cx.stop_propagation();
941 cx.notify();
942 return;
943 }
944 _ => {}
945 }
946
947 if end_selection {
948 editor.select(SelectPhase::End, window, cx);
949 }
950
951 if end_selection && pending_nonempty_selections {
952 cx.stop_propagation();
953 } else if cfg!(any(target_os = "linux", target_os = "freebsd"))
954 && event.button == MouseButton::Middle
955 {
956 #[allow(
957 clippy::collapsible_if,
958 clippy::needless_return,
959 reason = "The cfg-block below makes this a false positive"
960 )]
961 if !text_hitbox.is_hovered(window) || editor.read_only(cx) {
962 return;
963 }
964
965 #[cfg(any(target_os = "linux", target_os = "freebsd"))]
966 if EditorSettings::get_global(cx).middle_click_paste {
967 if let Some(text) = cx.read_from_primary().and_then(|item| item.text()) {
968 let point_for_position = position_map.point_for_position(event.position);
969 let position = point_for_position.previous_valid;
970
971 editor.select(
972 SelectPhase::Begin {
973 position,
974 add: false,
975 click_count: 1,
976 },
977 window,
978 cx,
979 );
980 editor.insert(&text, window, cx);
981 }
982 cx.stop_propagation()
983 }
984 }
985 }
986
987 fn click(
988 editor: &mut Editor,
989 event: &ClickEvent,
990 position_map: &PositionMap,
991 window: &mut Window,
992 cx: &mut Context<Editor>,
993 ) {
994 let text_hitbox = &position_map.text_hitbox;
995 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
996
997 let hovered_link_modifier = Editor::multi_cursor_modifier(false, &event.modifiers(), cx);
998
999 if let Some(mouse_position) = event.mouse_position()
1000 && !pending_nonempty_selections
1001 && hovered_link_modifier
1002 && text_hitbox.is_hovered(window)
1003 {
1004 let point = position_map.point_for_position(mouse_position);
1005 editor.handle_click_hovered_link(point, event.modifiers(), window, cx);
1006 editor.selection_drag_state = SelectionDragState::None;
1007
1008 cx.stop_propagation();
1009 }
1010 }
1011
1012 fn mouse_dragged(
1013 editor: &mut Editor,
1014 event: &MouseMoveEvent,
1015 position_map: &PositionMap,
1016 window: &mut Window,
1017 cx: &mut Context<Editor>,
1018 ) {
1019 if !editor.has_pending_selection()
1020 && matches!(editor.selection_drag_state, SelectionDragState::None)
1021 {
1022 return;
1023 }
1024
1025 let point_for_position = position_map.point_for_position(event.position);
1026 let text_hitbox = &position_map.text_hitbox;
1027
1028 let scroll_delta = {
1029 let text_bounds = text_hitbox.bounds;
1030 let mut scroll_delta = gpui::Point::<f32>::default();
1031 let vertical_margin = position_map.line_height.min(text_bounds.size.height / 3.0);
1032 let top = text_bounds.origin.y + vertical_margin;
1033 let bottom = text_bounds.bottom_left().y - vertical_margin;
1034 if event.position.y < top {
1035 scroll_delta.y = -scale_vertical_mouse_autoscroll_delta(top - event.position.y);
1036 }
1037 if event.position.y > bottom {
1038 scroll_delta.y = scale_vertical_mouse_autoscroll_delta(event.position.y - bottom);
1039 }
1040
1041 // We need horizontal width of text
1042 let style = editor.style.clone().unwrap_or_default();
1043 let font_id = window.text_system().resolve_font(&style.text.font());
1044 let font_size = style.text.font_size.to_pixels(window.rem_size());
1045 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
1046
1047 let scroll_margin_x = EditorSettings::get_global(cx).horizontal_scroll_margin;
1048
1049 let scroll_space: Pixels = scroll_margin_x * em_width;
1050
1051 let left = text_bounds.origin.x + scroll_space;
1052 let right = text_bounds.top_right().x - scroll_space;
1053
1054 if event.position.x < left {
1055 scroll_delta.x = -scale_horizontal_mouse_autoscroll_delta(left - event.position.x);
1056 }
1057 if event.position.x > right {
1058 scroll_delta.x = scale_horizontal_mouse_autoscroll_delta(event.position.x - right);
1059 }
1060 scroll_delta
1061 };
1062
1063 if !editor.has_pending_selection() {
1064 let drop_anchor = position_map
1065 .snapshot
1066 .display_point_to_anchor(point_for_position.previous_valid, Bias::Left);
1067 match editor.selection_drag_state {
1068 SelectionDragState::Dragging {
1069 ref mut drop_cursor,
1070 ref mut hide_drop_cursor,
1071 ..
1072 } => {
1073 drop_cursor.start = drop_anchor;
1074 drop_cursor.end = drop_anchor;
1075 *hide_drop_cursor = !text_hitbox.is_hovered(window);
1076 editor.apply_scroll_delta(scroll_delta, window, cx);
1077 cx.notify();
1078 }
1079 SelectionDragState::ReadyToDrag {
1080 ref selection,
1081 ref click_position,
1082 ref mouse_down_time,
1083 } => {
1084 let drag_and_drop_delay = Duration::from_millis(
1085 EditorSettings::get_global(cx).drag_and_drop_selection.delay,
1086 );
1087 if mouse_down_time.elapsed() >= drag_and_drop_delay {
1088 let drop_cursor = Selection {
1089 id: post_inc(&mut editor.selections.next_selection_id()),
1090 start: drop_anchor,
1091 end: drop_anchor,
1092 reversed: false,
1093 goal: SelectionGoal::None,
1094 };
1095 editor.selection_drag_state = SelectionDragState::Dragging {
1096 selection: selection.clone(),
1097 drop_cursor,
1098 hide_drop_cursor: false,
1099 };
1100 editor.apply_scroll_delta(scroll_delta, window, cx);
1101 cx.notify();
1102 } else {
1103 let click_point = position_map.point_for_position(*click_position);
1104 editor.selection_drag_state = SelectionDragState::None;
1105 editor.select(
1106 SelectPhase::Begin {
1107 position: click_point.previous_valid,
1108 add: false,
1109 click_count: 1,
1110 },
1111 window,
1112 cx,
1113 );
1114 editor.select(
1115 SelectPhase::Update {
1116 position: point_for_position.previous_valid,
1117 goal_column: point_for_position.exact_unclipped.column(),
1118 scroll_delta,
1119 },
1120 window,
1121 cx,
1122 );
1123 }
1124 }
1125 _ => {}
1126 }
1127 } else {
1128 editor.select(
1129 SelectPhase::Update {
1130 position: point_for_position.previous_valid,
1131 goal_column: point_for_position.exact_unclipped.column(),
1132 scroll_delta,
1133 },
1134 window,
1135 cx,
1136 );
1137 }
1138 }
1139
1140 fn mouse_moved(
1141 editor: &mut Editor,
1142 event: &MouseMoveEvent,
1143 position_map: &PositionMap,
1144 window: &mut Window,
1145 cx: &mut Context<Editor>,
1146 ) {
1147 let text_hitbox = &position_map.text_hitbox;
1148 let gutter_hitbox = &position_map.gutter_hitbox;
1149 let modifiers = event.modifiers;
1150 let text_hovered = text_hitbox.is_hovered(window);
1151 let gutter_hovered = gutter_hitbox.is_hovered(window);
1152 editor.set_gutter_hovered(gutter_hovered, cx);
1153 editor.show_mouse_cursor(cx);
1154
1155 let point_for_position = position_map.point_for_position(event.position);
1156 let valid_point = point_for_position.previous_valid;
1157
1158 let hovered_diff_control = position_map
1159 .diff_hunk_control_bounds
1160 .iter()
1161 .find(|(_, bounds)| bounds.contains(&event.position))
1162 .map(|(row, _)| *row);
1163
1164 let hovered_diff_hunk_row = if let Some(control_row) = hovered_diff_control {
1165 Some(control_row)
1166 } else if text_hovered {
1167 let current_row = valid_point.row();
1168 position_map.display_hunks.iter().find_map(|(hunk, _)| {
1169 if let DisplayDiffHunk::Unfolded {
1170 display_row_range, ..
1171 } = hunk
1172 {
1173 if display_row_range.contains(¤t_row) {
1174 Some(display_row_range.start)
1175 } else {
1176 None
1177 }
1178 } else {
1179 None
1180 }
1181 })
1182 } else {
1183 None
1184 };
1185
1186 if hovered_diff_hunk_row != editor.hovered_diff_hunk_row {
1187 editor.hovered_diff_hunk_row = hovered_diff_hunk_row;
1188 cx.notify();
1189 }
1190
1191 if let Some((bounds, buffer_id, blame_entry)) = &position_map.inline_blame_bounds {
1192 let mouse_over_inline_blame = bounds.contains(&event.position);
1193 let mouse_over_popover = editor
1194 .inline_blame_popover
1195 .as_ref()
1196 .and_then(|state| state.popover_bounds)
1197 .is_some_and(|bounds| bounds.contains(&event.position));
1198 let keyboard_grace = editor
1199 .inline_blame_popover
1200 .as_ref()
1201 .is_some_and(|state| state.keyboard_grace);
1202
1203 if mouse_over_inline_blame || mouse_over_popover {
1204 editor.show_blame_popover(*buffer_id, blame_entry, event.position, false, cx);
1205 } else if !keyboard_grace {
1206 editor.hide_blame_popover(cx);
1207 }
1208 } else {
1209 editor.hide_blame_popover(cx);
1210 }
1211
1212 let breakpoint_indicator = if gutter_hovered {
1213 let buffer_anchor = position_map
1214 .snapshot
1215 .display_point_to_anchor(valid_point, Bias::Left);
1216
1217 if let Some((buffer_snapshot, file)) = position_map
1218 .snapshot
1219 .buffer_snapshot()
1220 .buffer_for_excerpt(buffer_anchor.excerpt_id)
1221 .and_then(|buffer| buffer.file().map(|file| (buffer, file)))
1222 {
1223 let as_point = text::ToPoint::to_point(&buffer_anchor.text_anchor, buffer_snapshot);
1224
1225 let is_visible = editor
1226 .gutter_breakpoint_indicator
1227 .0
1228 .is_some_and(|indicator| indicator.is_active);
1229
1230 let has_existing_breakpoint =
1231 editor.breakpoint_store.as_ref().is_some_and(|store| {
1232 let Some(project) = &editor.project else {
1233 return false;
1234 };
1235 let Some(abs_path) = project.read(cx).absolute_path(
1236 &ProjectPath {
1237 path: file.path().clone(),
1238 worktree_id: file.worktree_id(cx),
1239 },
1240 cx,
1241 ) else {
1242 return false;
1243 };
1244 store
1245 .read(cx)
1246 .breakpoint_at_row(&abs_path, as_point.row, cx)
1247 .is_some()
1248 });
1249
1250 if !is_visible {
1251 editor.gutter_breakpoint_indicator.1.get_or_insert_with(|| {
1252 cx.spawn(async move |this, cx| {
1253 cx.background_executor()
1254 .timer(Duration::from_millis(200))
1255 .await;
1256
1257 this.update(cx, |this, cx| {
1258 if let Some(indicator) = this.gutter_breakpoint_indicator.0.as_mut()
1259 {
1260 indicator.is_active = true;
1261 cx.notify();
1262 }
1263 })
1264 .ok();
1265 })
1266 });
1267 }
1268
1269 Some(PhantomBreakpointIndicator {
1270 display_row: valid_point.row(),
1271 is_active: is_visible,
1272 collides_with_existing_breakpoint: has_existing_breakpoint,
1273 })
1274 } else {
1275 editor.gutter_breakpoint_indicator.1 = None;
1276 None
1277 }
1278 } else {
1279 editor.gutter_breakpoint_indicator.1 = None;
1280 None
1281 };
1282
1283 if &breakpoint_indicator != &editor.gutter_breakpoint_indicator.0 {
1284 editor.gutter_breakpoint_indicator.0 = breakpoint_indicator;
1285 cx.notify();
1286 }
1287
1288 // Don't trigger hover popover if mouse is hovering over context menu
1289 if text_hovered {
1290 editor.update_hovered_link(
1291 point_for_position,
1292 &position_map.snapshot,
1293 modifiers,
1294 window,
1295 cx,
1296 );
1297
1298 if let Some(point) = point_for_position.as_valid() {
1299 let anchor = position_map
1300 .snapshot
1301 .buffer_snapshot()
1302 .anchor_before(point.to_offset(&position_map.snapshot, Bias::Left));
1303 hover_at(editor, Some(anchor), window, cx);
1304 Self::update_visible_cursor(editor, point, position_map, window, cx);
1305 } else {
1306 hover_at(editor, None, window, cx);
1307 }
1308 } else {
1309 editor.hide_hovered_link(cx);
1310 hover_at(editor, None, window, cx);
1311 }
1312 }
1313
1314 fn update_visible_cursor(
1315 editor: &mut Editor,
1316 point: DisplayPoint,
1317 position_map: &PositionMap,
1318 window: &mut Window,
1319 cx: &mut Context<Editor>,
1320 ) {
1321 let snapshot = &position_map.snapshot;
1322 let Some(hub) = editor.collaboration_hub() else {
1323 return;
1324 };
1325 let start = snapshot.display_snapshot.clip_point(
1326 DisplayPoint::new(point.row(), point.column().saturating_sub(1)),
1327 Bias::Left,
1328 );
1329 let end = snapshot.display_snapshot.clip_point(
1330 DisplayPoint::new(
1331 point.row(),
1332 (point.column() + 1).min(snapshot.line_len(point.row())),
1333 ),
1334 Bias::Right,
1335 );
1336
1337 let range = snapshot
1338 .buffer_snapshot()
1339 .anchor_before(start.to_point(&snapshot.display_snapshot))
1340 ..snapshot
1341 .buffer_snapshot()
1342 .anchor_after(end.to_point(&snapshot.display_snapshot));
1343
1344 let Some(selection) = snapshot.remote_selections_in_range(&range, hub, cx).next() else {
1345 return;
1346 };
1347 let key = crate::HoveredCursor {
1348 replica_id: selection.replica_id,
1349 selection_id: selection.selection.id,
1350 };
1351 editor.hovered_cursors.insert(
1352 key.clone(),
1353 cx.spawn_in(window, async move |editor, cx| {
1354 cx.background_executor().timer(CURSORS_VISIBLE_FOR).await;
1355 editor
1356 .update(cx, |editor, cx| {
1357 editor.hovered_cursors.remove(&key);
1358 cx.notify();
1359 })
1360 .ok();
1361 }),
1362 );
1363 cx.notify()
1364 }
1365
1366 fn layout_selections(
1367 &self,
1368 start_anchor: Anchor,
1369 end_anchor: Anchor,
1370 local_selections: &[Selection<Point>],
1371 snapshot: &EditorSnapshot,
1372 start_row: DisplayRow,
1373 end_row: DisplayRow,
1374 window: &mut Window,
1375 cx: &mut App,
1376 ) -> (
1377 Vec<(PlayerColor, Vec<SelectionLayout>)>,
1378 BTreeMap<DisplayRow, LineHighlightSpec>,
1379 Option<DisplayPoint>,
1380 ) {
1381 let mut selections: Vec<(PlayerColor, Vec<SelectionLayout>)> = Vec::new();
1382 let mut active_rows = BTreeMap::new();
1383 let mut newest_selection_head = None;
1384
1385 let Some(editor_with_selections) = self.editor_with_selections(cx) else {
1386 return (selections, active_rows, newest_selection_head);
1387 };
1388
1389 editor_with_selections.update(cx, |editor, cx| {
1390 if editor.show_local_selections {
1391 let mut layouts = Vec::new();
1392 let newest = editor.selections.newest(cx);
1393 for selection in local_selections.iter().cloned() {
1394 let is_empty = selection.start == selection.end;
1395 let is_newest = selection == newest;
1396
1397 let layout = SelectionLayout::new(
1398 selection,
1399 editor.selections.line_mode(),
1400 editor.cursor_shape,
1401 &snapshot.display_snapshot,
1402 is_newest,
1403 editor.leader_id.is_none(),
1404 None,
1405 );
1406 if is_newest {
1407 newest_selection_head = Some(layout.head);
1408 }
1409
1410 for row in cmp::max(layout.active_rows.start.0, start_row.0)
1411 ..=cmp::min(layout.active_rows.end.0, end_row.0)
1412 {
1413 let contains_non_empty_selection = active_rows
1414 .entry(DisplayRow(row))
1415 .or_insert_with(LineHighlightSpec::default);
1416 contains_non_empty_selection.selection |= !is_empty;
1417 }
1418 layouts.push(layout);
1419 }
1420
1421 let player = editor.current_user_player_color(cx);
1422 selections.push((player, layouts));
1423
1424 if let SelectionDragState::Dragging {
1425 ref selection,
1426 ref drop_cursor,
1427 ref hide_drop_cursor,
1428 } = editor.selection_drag_state
1429 && !hide_drop_cursor
1430 && (drop_cursor
1431 .start
1432 .cmp(&selection.start, &snapshot.buffer_snapshot())
1433 .eq(&Ordering::Less)
1434 || drop_cursor
1435 .end
1436 .cmp(&selection.end, &snapshot.buffer_snapshot())
1437 .eq(&Ordering::Greater))
1438 {
1439 let drag_cursor_layout = SelectionLayout::new(
1440 drop_cursor.clone(),
1441 false,
1442 CursorShape::Bar,
1443 &snapshot.display_snapshot,
1444 false,
1445 false,
1446 None,
1447 );
1448 let absent_color = cx.theme().players().absent();
1449 selections.push((absent_color, vec![drag_cursor_layout]));
1450 }
1451 }
1452
1453 if let Some(collaboration_hub) = &editor.collaboration_hub {
1454 // When following someone, render the local selections in their color.
1455 if let Some(leader_id) = editor.leader_id {
1456 match leader_id {
1457 CollaboratorId::PeerId(peer_id) => {
1458 if let Some(collaborator) =
1459 collaboration_hub.collaborators(cx).get(&peer_id)
1460 && let Some(participant_index) = collaboration_hub
1461 .user_participant_indices(cx)
1462 .get(&collaborator.user_id)
1463 && let Some((local_selection_style, _)) = selections.first_mut()
1464 {
1465 *local_selection_style = cx
1466 .theme()
1467 .players()
1468 .color_for_participant(participant_index.0);
1469 }
1470 }
1471 CollaboratorId::Agent => {
1472 if let Some((local_selection_style, _)) = selections.first_mut() {
1473 *local_selection_style = cx.theme().players().agent();
1474 }
1475 }
1476 }
1477 }
1478
1479 let mut remote_selections = HashMap::default();
1480 for selection in snapshot.remote_selections_in_range(
1481 &(start_anchor..end_anchor),
1482 collaboration_hub.as_ref(),
1483 cx,
1484 ) {
1485 // Don't re-render the leader's selections, since the local selections
1486 // match theirs.
1487 if Some(selection.collaborator_id) == editor.leader_id {
1488 continue;
1489 }
1490 let key = HoveredCursor {
1491 replica_id: selection.replica_id,
1492 selection_id: selection.selection.id,
1493 };
1494
1495 let is_shown =
1496 editor.show_cursor_names || editor.hovered_cursors.contains_key(&key);
1497
1498 remote_selections
1499 .entry(selection.replica_id)
1500 .or_insert((selection.color, Vec::new()))
1501 .1
1502 .push(SelectionLayout::new(
1503 selection.selection,
1504 selection.line_mode,
1505 selection.cursor_shape,
1506 &snapshot.display_snapshot,
1507 false,
1508 false,
1509 if is_shown { selection.user_name } else { None },
1510 ));
1511 }
1512
1513 selections.extend(remote_selections.into_values());
1514 } else if !editor.is_focused(window) && editor.show_cursor_when_unfocused {
1515 let layouts = snapshot
1516 .buffer_snapshot()
1517 .selections_in_range(&(start_anchor..end_anchor), true)
1518 .map(move |(_, line_mode, cursor_shape, selection)| {
1519 SelectionLayout::new(
1520 selection,
1521 line_mode,
1522 cursor_shape,
1523 &snapshot.display_snapshot,
1524 false,
1525 false,
1526 None,
1527 )
1528 })
1529 .collect::<Vec<_>>();
1530 let player = editor.current_user_player_color(cx);
1531 selections.push((player, layouts));
1532 }
1533 });
1534
1535 #[cfg(debug_assertions)]
1536 Self::layout_debug_ranges(
1537 &mut selections,
1538 start_anchor..end_anchor,
1539 &snapshot.display_snapshot,
1540 cx,
1541 );
1542
1543 (selections, active_rows, newest_selection_head)
1544 }
1545
1546 fn collect_cursors(
1547 &self,
1548 snapshot: &EditorSnapshot,
1549 cx: &mut App,
1550 ) -> Vec<(DisplayPoint, Hsla)> {
1551 let editor = self.editor.read(cx);
1552 let mut cursors = Vec::new();
1553 let mut skip_local = false;
1554 let mut add_cursor = |anchor: Anchor, color| {
1555 cursors.push((anchor.to_display_point(&snapshot.display_snapshot), color));
1556 };
1557 // Remote cursors
1558 if let Some(collaboration_hub) = &editor.collaboration_hub {
1559 for remote_selection in snapshot.remote_selections_in_range(
1560 &(Anchor::min()..Anchor::max()),
1561 collaboration_hub.deref(),
1562 cx,
1563 ) {
1564 add_cursor(
1565 remote_selection.selection.head(),
1566 remote_selection.color.cursor,
1567 );
1568 if Some(remote_selection.collaborator_id) == editor.leader_id {
1569 skip_local = true;
1570 }
1571 }
1572 }
1573 // Local cursors
1574 if !skip_local {
1575 let color = cx.theme().players().local().cursor;
1576 editor
1577 .selections
1578 .disjoint_anchors()
1579 .iter()
1580 .for_each(|selection| {
1581 add_cursor(selection.head(), color);
1582 });
1583 if let Some(ref selection) = editor.selections.pending_anchor() {
1584 add_cursor(selection.head(), color);
1585 }
1586 }
1587 cursors
1588 }
1589
1590 fn layout_visible_cursors(
1591 &self,
1592 snapshot: &EditorSnapshot,
1593 selections: &[(PlayerColor, Vec<SelectionLayout>)],
1594 row_block_types: &HashMap<DisplayRow, bool>,
1595 visible_display_row_range: Range<DisplayRow>,
1596 line_layouts: &[LineWithInvisibles],
1597 text_hitbox: &Hitbox,
1598 content_origin: gpui::Point<Pixels>,
1599 scroll_position: gpui::Point<ScrollOffset>,
1600 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
1601 line_height: Pixels,
1602 em_width: Pixels,
1603 em_advance: Pixels,
1604 autoscroll_containing_element: bool,
1605 window: &mut Window,
1606 cx: &mut App,
1607 ) -> Vec<CursorLayout> {
1608 let mut autoscroll_bounds = None;
1609 let cursor_layouts = self.editor.update(cx, |editor, cx| {
1610 let mut cursors = Vec::new();
1611
1612 let show_local_cursors = editor.show_local_cursors(window, cx);
1613
1614 for (player_color, selections) in selections {
1615 for selection in selections {
1616 let cursor_position = selection.head;
1617
1618 let in_range = visible_display_row_range.contains(&cursor_position.row());
1619 if (selection.is_local && !show_local_cursors)
1620 || !in_range
1621 || row_block_types.get(&cursor_position.row()) == Some(&true)
1622 {
1623 continue;
1624 }
1625
1626 let cursor_row_layout = &line_layouts
1627 [cursor_position.row().minus(visible_display_row_range.start) as usize];
1628 let cursor_column = cursor_position.column() as usize;
1629
1630 let cursor_character_x = cursor_row_layout.x_for_index(cursor_column);
1631 let mut block_width =
1632 cursor_row_layout.x_for_index(cursor_column + 1) - cursor_character_x;
1633 if block_width == Pixels::ZERO {
1634 block_width = em_advance;
1635 }
1636 let block_text = if let CursorShape::Block = selection.cursor_shape {
1637 snapshot
1638 .grapheme_at(cursor_position)
1639 .or_else(|| {
1640 if snapshot.is_empty() {
1641 snapshot.placeholder_text().and_then(|s| {
1642 s.graphemes(true).next().map(|s| s.to_string().into())
1643 })
1644 } else {
1645 None
1646 }
1647 })
1648 .map(|text| {
1649 let len = text.len();
1650
1651 let mut font = cursor_row_layout
1652 .font_id_for_index(cursor_column)
1653 .and_then(|cursor_font_id| {
1654 window.text_system().get_font_for_id(cursor_font_id)
1655 })
1656 .unwrap_or(self.style.text.font());
1657 font.features = self.style.text.font_features.clone();
1658
1659 // Invert the text color for the block cursor. Ensure that the text
1660 // color is opaque enough to be visible against the background color.
1661 //
1662 // 0.75 is an arbitrary threshold to determine if the background color is
1663 // opaque enough to use as a text color.
1664 //
1665 // TODO: In the future we should ensure themes have a `text_inverse` color.
1666 let color = if cx.theme().colors().editor_background.a < 0.75 {
1667 match cx.theme().appearance {
1668 Appearance::Dark => Hsla::black(),
1669 Appearance::Light => Hsla::white(),
1670 }
1671 } else {
1672 cx.theme().colors().editor_background
1673 };
1674
1675 window.text_system().shape_line(
1676 text,
1677 cursor_row_layout.font_size,
1678 &[TextRun {
1679 len,
1680 font,
1681 color,
1682 background_color: None,
1683 strikethrough: None,
1684 underline: None,
1685 }],
1686 None,
1687 )
1688 })
1689 } else {
1690 None
1691 };
1692
1693 let x = cursor_character_x - scroll_pixel_position.x.into();
1694 let y = ((cursor_position.row().as_f64() - scroll_position.y)
1695 * ScrollPixelOffset::from(line_height))
1696 .into();
1697 if selection.is_newest {
1698 editor.pixel_position_of_newest_cursor = Some(point(
1699 text_hitbox.origin.x + x + block_width / 2.,
1700 text_hitbox.origin.y + y + line_height / 2.,
1701 ));
1702
1703 if autoscroll_containing_element {
1704 let top = text_hitbox.origin.y
1705 + ((cursor_position.row().as_f64() - scroll_position.y - 3.)
1706 .max(0.)
1707 * ScrollPixelOffset::from(line_height))
1708 .into();
1709 let left = text_hitbox.origin.x
1710 + ((cursor_position.column() as ScrollOffset
1711 - scroll_position.x
1712 - 3.)
1713 .max(0.)
1714 * ScrollPixelOffset::from(em_width))
1715 .into();
1716
1717 let bottom = text_hitbox.origin.y
1718 + ((cursor_position.row().as_f64() - scroll_position.y + 4.)
1719 * ScrollPixelOffset::from(line_height))
1720 .into();
1721 let right = text_hitbox.origin.x
1722 + ((cursor_position.column() as ScrollOffset - scroll_position.x
1723 + 4.)
1724 * ScrollPixelOffset::from(em_width))
1725 .into();
1726
1727 autoscroll_bounds =
1728 Some(Bounds::from_corners(point(left, top), point(right, bottom)))
1729 }
1730 }
1731
1732 let mut cursor = CursorLayout {
1733 color: player_color.cursor,
1734 block_width,
1735 origin: point(x, y),
1736 line_height,
1737 shape: selection.cursor_shape,
1738 block_text,
1739 cursor_name: None,
1740 };
1741 let cursor_name = selection.user_name.clone().map(|name| CursorName {
1742 string: name,
1743 color: self.style.background,
1744 is_top_row: cursor_position.row().0 == 0,
1745 });
1746 cursor.layout(content_origin, cursor_name, window, cx);
1747 cursors.push(cursor);
1748 }
1749 }
1750
1751 cursors
1752 });
1753
1754 if let Some(bounds) = autoscroll_bounds {
1755 window.request_autoscroll(bounds);
1756 }
1757
1758 cursor_layouts
1759 }
1760
1761 fn layout_scrollbars(
1762 &self,
1763 snapshot: &EditorSnapshot,
1764 scrollbar_layout_information: &ScrollbarLayoutInformation,
1765 content_offset: gpui::Point<Pixels>,
1766 scroll_position: gpui::Point<ScrollOffset>,
1767 non_visible_cursors: bool,
1768 right_margin: Pixels,
1769 editor_width: Pixels,
1770 window: &mut Window,
1771 cx: &mut App,
1772 ) -> Option<EditorScrollbars> {
1773 let show_scrollbars = self.editor.read(cx).show_scrollbars;
1774 if (!show_scrollbars.horizontal && !show_scrollbars.vertical)
1775 || self.style.scrollbar_width.is_zero()
1776 {
1777 return None;
1778 }
1779
1780 // If a drag took place after we started dragging the scrollbar,
1781 // cancel the scrollbar drag.
1782 if cx.has_active_drag() {
1783 self.editor.update(cx, |editor, cx| {
1784 editor.scroll_manager.reset_scrollbar_state(cx)
1785 });
1786 }
1787
1788 let editor_settings = EditorSettings::get_global(cx);
1789 let scrollbar_settings = editor_settings.scrollbar;
1790 let show_scrollbars = match scrollbar_settings.show {
1791 ShowScrollbar::Auto => {
1792 let editor = self.editor.read(cx);
1793 let is_singleton = editor.buffer_kind(cx) == ItemBufferKind::Singleton;
1794 // Git
1795 (is_singleton && scrollbar_settings.git_diff && snapshot.buffer_snapshot().has_diff_hunks())
1796 ||
1797 // Buffer Search Results
1798 (is_singleton && scrollbar_settings.search_results && editor.has_background_highlights::<BufferSearchHighlights>())
1799 ||
1800 // Selected Text Occurrences
1801 (is_singleton && scrollbar_settings.selected_text && editor.has_background_highlights::<SelectedTextHighlight>())
1802 ||
1803 // Selected Symbol Occurrences
1804 (is_singleton && scrollbar_settings.selected_symbol && (editor.has_background_highlights::<DocumentHighlightRead>() || editor.has_background_highlights::<DocumentHighlightWrite>()))
1805 ||
1806 // Diagnostics
1807 (is_singleton && scrollbar_settings.diagnostics != ScrollbarDiagnostics::None && snapshot.buffer_snapshot().has_diagnostics())
1808 ||
1809 // Cursors out of sight
1810 non_visible_cursors
1811 ||
1812 // Scrollmanager
1813 editor.scroll_manager.scrollbars_visible()
1814 }
1815 ShowScrollbar::System => self.editor.read(cx).scroll_manager.scrollbars_visible(),
1816 ShowScrollbar::Always => true,
1817 ShowScrollbar::Never => return None,
1818 };
1819
1820 // The horizontal scrollbar is usually slightly offset to align nicely with
1821 // indent guides. However, this offset is not needed if indent guides are
1822 // disabled for the current editor.
1823 let content_offset = self
1824 .editor
1825 .read(cx)
1826 .show_indent_guides
1827 .is_none_or(|should_show| should_show)
1828 .then_some(content_offset)
1829 .unwrap_or_default();
1830
1831 Some(EditorScrollbars::from_scrollbar_axes(
1832 ScrollbarAxes {
1833 horizontal: scrollbar_settings.axes.horizontal
1834 && self.editor.read(cx).show_scrollbars.horizontal,
1835 vertical: scrollbar_settings.axes.vertical
1836 && self.editor.read(cx).show_scrollbars.vertical,
1837 },
1838 scrollbar_layout_information,
1839 content_offset,
1840 scroll_position,
1841 self.style.scrollbar_width,
1842 right_margin,
1843 editor_width,
1844 show_scrollbars,
1845 self.editor.read(cx).scroll_manager.active_scrollbar_state(),
1846 window,
1847 ))
1848 }
1849
1850 fn layout_minimap(
1851 &self,
1852 snapshot: &EditorSnapshot,
1853 minimap_width: Pixels,
1854 scroll_position: gpui::Point<f64>,
1855 scrollbar_layout_information: &ScrollbarLayoutInformation,
1856 scrollbar_layout: Option<&EditorScrollbars>,
1857 window: &mut Window,
1858 cx: &mut App,
1859 ) -> Option<MinimapLayout> {
1860 let minimap_editor = self.editor.read(cx).minimap().cloned()?;
1861
1862 let minimap_settings = EditorSettings::get_global(cx).minimap;
1863
1864 if minimap_settings.on_active_editor() {
1865 let active_editor = self.editor.read(cx).workspace().and_then(|ws| {
1866 ws.read(cx)
1867 .active_pane()
1868 .read(cx)
1869 .active_item()
1870 .and_then(|i| i.act_as::<Editor>(cx))
1871 });
1872 if active_editor.is_some_and(|e| e != self.editor) {
1873 return None;
1874 }
1875 }
1876
1877 if !snapshot.mode.is_full()
1878 || minimap_width.is_zero()
1879 || matches!(
1880 minimap_settings.show,
1881 ShowMinimap::Auto if scrollbar_layout.is_none_or(|layout| !layout.visible)
1882 )
1883 {
1884 return None;
1885 }
1886
1887 const MINIMAP_AXIS: ScrollbarAxis = ScrollbarAxis::Vertical;
1888
1889 let ScrollbarLayoutInformation {
1890 editor_bounds,
1891 scroll_range,
1892 glyph_grid_cell,
1893 } = scrollbar_layout_information;
1894
1895 let line_height = glyph_grid_cell.height;
1896 let scroll_position = scroll_position.along(MINIMAP_AXIS);
1897
1898 let top_right_anchor = scrollbar_layout
1899 .and_then(|layout| layout.vertical.as_ref())
1900 .map(|vertical_scrollbar| vertical_scrollbar.hitbox.origin)
1901 .unwrap_or_else(|| editor_bounds.top_right());
1902
1903 let thumb_state = self
1904 .editor
1905 .read_with(cx, |editor, _| editor.scroll_manager.minimap_thumb_state());
1906
1907 let show_thumb = match minimap_settings.thumb {
1908 MinimapThumb::Always => true,
1909 MinimapThumb::Hover => thumb_state.is_some(),
1910 };
1911
1912 let minimap_bounds = Bounds::from_corner_and_size(
1913 Corner::TopRight,
1914 top_right_anchor,
1915 size(minimap_width, editor_bounds.size.height),
1916 );
1917 let minimap_line_height = self.get_minimap_line_height(
1918 minimap_editor
1919 .read(cx)
1920 .text_style_refinement
1921 .as_ref()
1922 .and_then(|refinement| refinement.font_size)
1923 .unwrap_or(MINIMAP_FONT_SIZE),
1924 window,
1925 cx,
1926 );
1927 let minimap_height = minimap_bounds.size.height;
1928
1929 let visible_editor_lines = (editor_bounds.size.height / line_height) as f64;
1930 let total_editor_lines = (scroll_range.height / line_height) as f64;
1931 let minimap_lines = (minimap_height / minimap_line_height) as f64;
1932
1933 let minimap_scroll_top = MinimapLayout::calculate_minimap_top_offset(
1934 total_editor_lines,
1935 visible_editor_lines,
1936 minimap_lines,
1937 scroll_position,
1938 );
1939
1940 let layout = ScrollbarLayout::for_minimap(
1941 window.insert_hitbox(minimap_bounds, HitboxBehavior::Normal),
1942 visible_editor_lines,
1943 total_editor_lines,
1944 minimap_line_height,
1945 scroll_position,
1946 minimap_scroll_top,
1947 show_thumb,
1948 )
1949 .with_thumb_state(thumb_state);
1950
1951 minimap_editor.update(cx, |editor, cx| {
1952 editor.set_scroll_position(point(0., minimap_scroll_top), window, cx)
1953 });
1954
1955 // Required for the drop shadow to be visible
1956 const PADDING_OFFSET: Pixels = px(4.);
1957
1958 let mut minimap = div()
1959 .size_full()
1960 .shadow_xs()
1961 .px(PADDING_OFFSET)
1962 .child(minimap_editor)
1963 .into_any_element();
1964
1965 let extended_bounds = minimap_bounds.extend(Edges {
1966 right: PADDING_OFFSET,
1967 left: PADDING_OFFSET,
1968 ..Default::default()
1969 });
1970 minimap.layout_as_root(extended_bounds.size.into(), window, cx);
1971 window.with_absolute_element_offset(extended_bounds.origin, |window| {
1972 minimap.prepaint(window, cx)
1973 });
1974
1975 Some(MinimapLayout {
1976 minimap,
1977 thumb_layout: layout,
1978 thumb_border_style: minimap_settings.thumb_border,
1979 minimap_line_height,
1980 minimap_scroll_top,
1981 max_scroll_top: total_editor_lines,
1982 })
1983 }
1984
1985 fn get_minimap_line_height(
1986 &self,
1987 font_size: AbsoluteLength,
1988 window: &mut Window,
1989 cx: &mut App,
1990 ) -> Pixels {
1991 let rem_size = self.rem_size(cx).unwrap_or(window.rem_size());
1992 let mut text_style = self.style.text.clone();
1993 text_style.font_size = font_size;
1994 text_style.line_height_in_pixels(rem_size)
1995 }
1996
1997 fn get_minimap_width(
1998 &self,
1999 minimap_settings: &Minimap,
2000 scrollbars_shown: bool,
2001 text_width: Pixels,
2002 em_width: Pixels,
2003 font_size: Pixels,
2004 rem_size: Pixels,
2005 cx: &App,
2006 ) -> Option<Pixels> {
2007 if minimap_settings.show == ShowMinimap::Auto && !scrollbars_shown {
2008 return None;
2009 }
2010
2011 let minimap_font_size = self.editor.read_with(cx, |editor, cx| {
2012 editor.minimap().map(|minimap_editor| {
2013 minimap_editor
2014 .read(cx)
2015 .text_style_refinement
2016 .as_ref()
2017 .and_then(|refinement| refinement.font_size)
2018 .unwrap_or(MINIMAP_FONT_SIZE)
2019 })
2020 })?;
2021
2022 let minimap_em_width = em_width * (minimap_font_size.to_pixels(rem_size) / font_size);
2023
2024 let minimap_width = (text_width * MinimapLayout::MINIMAP_WIDTH_PCT)
2025 .min(minimap_em_width * minimap_settings.max_width_columns.get() as f32);
2026
2027 (minimap_width >= minimap_em_width * MinimapLayout::MINIMAP_MIN_WIDTH_COLUMNS)
2028 .then_some(minimap_width)
2029 }
2030
2031 fn prepaint_crease_toggles(
2032 &self,
2033 crease_toggles: &mut [Option<AnyElement>],
2034 line_height: Pixels,
2035 gutter_dimensions: &GutterDimensions,
2036 gutter_settings: crate::editor_settings::Gutter,
2037 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2038 gutter_hitbox: &Hitbox,
2039 window: &mut Window,
2040 cx: &mut App,
2041 ) {
2042 for (ix, crease_toggle) in crease_toggles.iter_mut().enumerate() {
2043 if let Some(crease_toggle) = crease_toggle {
2044 debug_assert!(gutter_settings.folds);
2045 let available_space = size(
2046 AvailableSpace::MinContent,
2047 AvailableSpace::Definite(line_height * 0.55),
2048 );
2049 let crease_toggle_size = crease_toggle.layout_as_root(available_space, window, cx);
2050
2051 let position = point(
2052 gutter_dimensions.width - gutter_dimensions.right_padding,
2053 ix as f32 * line_height
2054 - (scroll_pixel_position.y % ScrollPixelOffset::from(line_height)).into(),
2055 );
2056 let centering_offset = point(
2057 (gutter_dimensions.fold_area_width() - crease_toggle_size.width) / 2.,
2058 (line_height - crease_toggle_size.height) / 2.,
2059 );
2060 let origin = gutter_hitbox.origin + position + centering_offset;
2061 crease_toggle.prepaint_as_root(origin, available_space, window, cx);
2062 }
2063 }
2064 }
2065
2066 fn prepaint_expand_toggles(
2067 &self,
2068 expand_toggles: &mut [Option<(AnyElement, gpui::Point<Pixels>)>],
2069 window: &mut Window,
2070 cx: &mut App,
2071 ) {
2072 for (expand_toggle, origin) in expand_toggles.iter_mut().flatten() {
2073 let available_space = size(AvailableSpace::MinContent, AvailableSpace::MinContent);
2074 expand_toggle.layout_as_root(available_space, window, cx);
2075 expand_toggle.prepaint_as_root(*origin, available_space, window, cx);
2076 }
2077 }
2078
2079 fn prepaint_crease_trailers(
2080 &self,
2081 trailers: Vec<Option<AnyElement>>,
2082 lines: &[LineWithInvisibles],
2083 line_height: Pixels,
2084 content_origin: gpui::Point<Pixels>,
2085 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2086 em_width: Pixels,
2087 window: &mut Window,
2088 cx: &mut App,
2089 ) -> Vec<Option<CreaseTrailerLayout>> {
2090 trailers
2091 .into_iter()
2092 .enumerate()
2093 .map(|(ix, element)| {
2094 let mut element = element?;
2095 let available_space = size(
2096 AvailableSpace::MinContent,
2097 AvailableSpace::Definite(line_height),
2098 );
2099 let size = element.layout_as_root(available_space, window, cx);
2100
2101 let line = &lines[ix];
2102 let padding = if line.width == Pixels::ZERO {
2103 Pixels::ZERO
2104 } else {
2105 4. * em_width
2106 };
2107 let position = point(
2108 Pixels::from(scroll_pixel_position.x) + line.width + padding,
2109 ix as f32 * line_height
2110 - (scroll_pixel_position.y % ScrollPixelOffset::from(line_height)).into(),
2111 );
2112 let centering_offset = point(px(0.), (line_height - size.height) / 2.);
2113 let origin = content_origin + position + centering_offset;
2114 element.prepaint_as_root(origin, available_space, window, cx);
2115 Some(CreaseTrailerLayout {
2116 element,
2117 bounds: Bounds::new(origin, size),
2118 })
2119 })
2120 .collect()
2121 }
2122
2123 // Folds contained in a hunk are ignored apart from shrinking visual size
2124 // If a fold contains any hunks then that fold line is marked as modified
2125 fn layout_gutter_diff_hunks(
2126 &self,
2127 line_height: Pixels,
2128 gutter_hitbox: &Hitbox,
2129 display_rows: Range<DisplayRow>,
2130 snapshot: &EditorSnapshot,
2131 window: &mut Window,
2132 cx: &mut App,
2133 ) -> Vec<(DisplayDiffHunk, Option<Hitbox>)> {
2134 let folded_buffers = self.editor.read(cx).folded_buffers(cx);
2135 let mut display_hunks = snapshot
2136 .display_diff_hunks_for_rows(display_rows, folded_buffers)
2137 .map(|hunk| (hunk, None))
2138 .collect::<Vec<_>>();
2139 let git_gutter_setting = ProjectSettings::get_global(cx).git.git_gutter;
2140 if let GitGutterSetting::TrackedFiles = git_gutter_setting {
2141 for (hunk, hitbox) in &mut display_hunks {
2142 if matches!(hunk, DisplayDiffHunk::Unfolded { .. }) {
2143 let hunk_bounds =
2144 Self::diff_hunk_bounds(snapshot, line_height, gutter_hitbox.bounds, hunk);
2145 *hitbox = Some(window.insert_hitbox(hunk_bounds, HitboxBehavior::BlockMouse));
2146 }
2147 }
2148 }
2149
2150 display_hunks
2151 }
2152
2153 fn layout_inline_diagnostics(
2154 &self,
2155 line_layouts: &[LineWithInvisibles],
2156 crease_trailers: &[Option<CreaseTrailerLayout>],
2157 row_block_types: &HashMap<DisplayRow, bool>,
2158 content_origin: gpui::Point<Pixels>,
2159 scroll_position: gpui::Point<ScrollOffset>,
2160 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2161 edit_prediction_popover_origin: Option<gpui::Point<Pixels>>,
2162 start_row: DisplayRow,
2163 end_row: DisplayRow,
2164 line_height: Pixels,
2165 em_width: Pixels,
2166 style: &EditorStyle,
2167 window: &mut Window,
2168 cx: &mut App,
2169 ) -> HashMap<DisplayRow, AnyElement> {
2170 let max_severity = match self
2171 .editor
2172 .read(cx)
2173 .inline_diagnostics_enabled()
2174 .then(|| {
2175 ProjectSettings::get_global(cx)
2176 .diagnostics
2177 .inline
2178 .max_severity
2179 .unwrap_or_else(|| self.editor.read(cx).diagnostics_max_severity)
2180 .into_lsp()
2181 })
2182 .flatten()
2183 {
2184 Some(max_severity) => max_severity,
2185 None => return HashMap::default(),
2186 };
2187
2188 let active_diagnostics_group =
2189 if let ActiveDiagnostic::Group(group) = &self.editor.read(cx).active_diagnostics {
2190 Some(group.group_id)
2191 } else {
2192 None
2193 };
2194
2195 let diagnostics_by_rows = self.editor.update(cx, |editor, cx| {
2196 let snapshot = editor.snapshot(window, cx);
2197 editor
2198 .inline_diagnostics
2199 .iter()
2200 .filter(|(_, diagnostic)| diagnostic.severity <= max_severity)
2201 .filter(|(_, diagnostic)| match active_diagnostics_group {
2202 Some(active_diagnostics_group) => {
2203 // Active diagnostics are all shown in the editor already, no need to display them inline
2204 diagnostic.group_id != active_diagnostics_group
2205 }
2206 None => true,
2207 })
2208 .map(|(point, diag)| (point.to_display_point(&snapshot), diag.clone()))
2209 .skip_while(|(point, _)| point.row() < start_row)
2210 .take_while(|(point, _)| point.row() < end_row)
2211 .filter(|(point, _)| !row_block_types.contains_key(&point.row()))
2212 .fold(HashMap::default(), |mut acc, (point, diagnostic)| {
2213 acc.entry(point.row())
2214 .or_insert_with(Vec::new)
2215 .push(diagnostic);
2216 acc
2217 })
2218 });
2219
2220 if diagnostics_by_rows.is_empty() {
2221 return HashMap::default();
2222 }
2223
2224 let severity_to_color = |sev: &lsp::DiagnosticSeverity| match sev {
2225 &lsp::DiagnosticSeverity::ERROR => Color::Error,
2226 &lsp::DiagnosticSeverity::WARNING => Color::Warning,
2227 &lsp::DiagnosticSeverity::INFORMATION => Color::Info,
2228 &lsp::DiagnosticSeverity::HINT => Color::Hint,
2229 _ => Color::Error,
2230 };
2231
2232 let padding = ProjectSettings::get_global(cx).diagnostics.inline.padding as f32 * em_width;
2233 let min_x = self.column_pixels(
2234 ProjectSettings::get_global(cx)
2235 .diagnostics
2236 .inline
2237 .min_column as usize,
2238 window,
2239 );
2240
2241 let mut elements = HashMap::default();
2242 for (row, mut diagnostics) in diagnostics_by_rows {
2243 diagnostics.sort_by_key(|diagnostic| {
2244 (
2245 diagnostic.severity,
2246 std::cmp::Reverse(diagnostic.is_primary),
2247 diagnostic.start.row,
2248 diagnostic.start.column,
2249 )
2250 });
2251
2252 let Some(diagnostic_to_render) = diagnostics
2253 .iter()
2254 .find(|diagnostic| diagnostic.is_primary)
2255 .or_else(|| diagnostics.first())
2256 else {
2257 continue;
2258 };
2259
2260 let pos_y = content_origin.y + line_height * (row.0 as f64 - scroll_position.y) as f32;
2261
2262 let window_ix = row.0.saturating_sub(start_row.0) as usize;
2263 let pos_x = {
2264 let crease_trailer_layout = &crease_trailers[window_ix];
2265 let line_layout = &line_layouts[window_ix];
2266
2267 let line_end = if let Some(crease_trailer) = crease_trailer_layout {
2268 crease_trailer.bounds.right()
2269 } else {
2270 Pixels::from(
2271 ScrollPixelOffset::from(content_origin.x + line_layout.width)
2272 - scroll_pixel_position.x,
2273 )
2274 };
2275
2276 let padded_line = line_end + padding;
2277 let min_start = Pixels::from(
2278 ScrollPixelOffset::from(content_origin.x + min_x) - scroll_pixel_position.x,
2279 );
2280
2281 cmp::max(padded_line, min_start)
2282 };
2283
2284 let behind_edit_prediction_popover = edit_prediction_popover_origin
2285 .as_ref()
2286 .is_some_and(|edit_prediction_popover_origin| {
2287 (pos_y..pos_y + line_height).contains(&edit_prediction_popover_origin.y)
2288 });
2289 let opacity = if behind_edit_prediction_popover {
2290 0.5
2291 } else {
2292 1.0
2293 };
2294
2295 let mut element = h_flex()
2296 .id(("diagnostic", row.0))
2297 .h(line_height)
2298 .w_full()
2299 .px_1()
2300 .rounded_xs()
2301 .opacity(opacity)
2302 .bg(severity_to_color(&diagnostic_to_render.severity)
2303 .color(cx)
2304 .opacity(0.05))
2305 .text_color(severity_to_color(&diagnostic_to_render.severity).color(cx))
2306 .text_sm()
2307 .font_family(style.text.font().family)
2308 .child(diagnostic_to_render.message.clone())
2309 .into_any();
2310
2311 element.prepaint_as_root(point(pos_x, pos_y), AvailableSpace::min_size(), window, cx);
2312
2313 elements.insert(row, element);
2314 }
2315
2316 elements
2317 }
2318
2319 fn layout_inline_code_actions(
2320 &self,
2321 display_point: DisplayPoint,
2322 content_origin: gpui::Point<Pixels>,
2323 scroll_position: gpui::Point<ScrollOffset>,
2324 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2325 line_height: Pixels,
2326 snapshot: &EditorSnapshot,
2327 window: &mut Window,
2328 cx: &mut App,
2329 ) -> Option<AnyElement> {
2330 if !snapshot
2331 .show_code_actions
2332 .unwrap_or(EditorSettings::get_global(cx).inline_code_actions)
2333 {
2334 return None;
2335 }
2336
2337 let icon_size = ui::IconSize::XSmall;
2338 let mut button = self.editor.update(cx, |editor, cx| {
2339 editor.available_code_actions.as_ref()?;
2340 let active = editor
2341 .context_menu
2342 .borrow()
2343 .as_ref()
2344 .and_then(|menu| {
2345 if let crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2346 deployed_from,
2347 ..
2348 }) = menu
2349 {
2350 deployed_from.as_ref()
2351 } else {
2352 None
2353 }
2354 })
2355 .is_some_and(|source| matches!(source, CodeActionSource::Indicator(..)));
2356 Some(editor.render_inline_code_actions(icon_size, display_point.row(), active, cx))
2357 })?;
2358
2359 let buffer_point = display_point.to_point(&snapshot.display_snapshot);
2360
2361 // do not show code action for folded line
2362 if snapshot.is_line_folded(MultiBufferRow(buffer_point.row)) {
2363 return None;
2364 }
2365
2366 // do not show code action for blank line with cursor
2367 let line_indent = snapshot
2368 .display_snapshot
2369 .buffer_snapshot()
2370 .line_indent_for_row(MultiBufferRow(buffer_point.row));
2371 if line_indent.is_line_blank() {
2372 return None;
2373 }
2374
2375 const INLINE_SLOT_CHAR_LIMIT: u32 = 4;
2376 const MAX_ALTERNATE_DISTANCE: u32 = 8;
2377
2378 let excerpt_id = snapshot
2379 .display_snapshot
2380 .buffer_snapshot()
2381 .excerpt_containing(buffer_point..buffer_point)
2382 .map(|excerpt| excerpt.id());
2383
2384 let is_valid_row = |row_candidate: u32| -> bool {
2385 // move to other row if folded row
2386 if snapshot.is_line_folded(MultiBufferRow(row_candidate)) {
2387 return false;
2388 }
2389 if buffer_point.row == row_candidate {
2390 // move to other row if cursor is in slot
2391 if buffer_point.column < INLINE_SLOT_CHAR_LIMIT {
2392 return false;
2393 }
2394 } else {
2395 let candidate_point = MultiBufferPoint {
2396 row: row_candidate,
2397 column: 0,
2398 };
2399 let candidate_excerpt_id = snapshot
2400 .display_snapshot
2401 .buffer_snapshot()
2402 .excerpt_containing(candidate_point..candidate_point)
2403 .map(|excerpt| excerpt.id());
2404 // move to other row if different excerpt
2405 if excerpt_id != candidate_excerpt_id {
2406 return false;
2407 }
2408 }
2409 let line_indent = snapshot
2410 .display_snapshot
2411 .buffer_snapshot()
2412 .line_indent_for_row(MultiBufferRow(row_candidate));
2413 // use this row if it's blank
2414 if line_indent.is_line_blank() {
2415 true
2416 } else {
2417 // use this row if code starts after slot
2418 let indent_size = snapshot
2419 .display_snapshot
2420 .buffer_snapshot()
2421 .indent_size_for_line(MultiBufferRow(row_candidate));
2422 indent_size.len >= INLINE_SLOT_CHAR_LIMIT
2423 }
2424 };
2425
2426 let new_buffer_row = if is_valid_row(buffer_point.row) {
2427 Some(buffer_point.row)
2428 } else {
2429 let max_row = snapshot.display_snapshot.buffer_snapshot().max_point().row;
2430 (1..=MAX_ALTERNATE_DISTANCE).find_map(|offset| {
2431 let row_above = buffer_point.row.saturating_sub(offset);
2432 let row_below = buffer_point.row + offset;
2433 if row_above != buffer_point.row && is_valid_row(row_above) {
2434 Some(row_above)
2435 } else if row_below <= max_row && is_valid_row(row_below) {
2436 Some(row_below)
2437 } else {
2438 None
2439 }
2440 })
2441 }?;
2442
2443 let new_display_row = snapshot
2444 .display_snapshot
2445 .point_to_display_point(
2446 Point {
2447 row: new_buffer_row,
2448 column: buffer_point.column,
2449 },
2450 text::Bias::Left,
2451 )
2452 .row();
2453
2454 let start_y = content_origin.y
2455 + (((new_display_row.as_f64() - scroll_position.y) as f32) * line_height)
2456 + (line_height / 2.0)
2457 - (icon_size.square(window, cx) / 2.);
2458 let start_x = (ScrollPixelOffset::from(content_origin.x) - scroll_pixel_position.x
2459 + ScrollPixelOffset::from(window.rem_size() * 0.1))
2460 .into();
2461
2462 let absolute_offset = gpui::point(start_x, start_y);
2463 button.layout_as_root(gpui::AvailableSpace::min_size(), window, cx);
2464 button.prepaint_as_root(
2465 absolute_offset,
2466 gpui::AvailableSpace::min_size(),
2467 window,
2468 cx,
2469 );
2470 Some(button)
2471 }
2472
2473 fn layout_inline_blame(
2474 &self,
2475 display_row: DisplayRow,
2476 row_info: &RowInfo,
2477 line_layout: &LineWithInvisibles,
2478 crease_trailer: Option<&CreaseTrailerLayout>,
2479 em_width: Pixels,
2480 content_origin: gpui::Point<Pixels>,
2481 scroll_position: gpui::Point<ScrollOffset>,
2482 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2483 line_height: Pixels,
2484 text_hitbox: &Hitbox,
2485 window: &mut Window,
2486 cx: &mut App,
2487 ) -> Option<InlineBlameLayout> {
2488 if !self
2489 .editor
2490 .update(cx, |editor, cx| editor.render_git_blame_inline(window, cx))
2491 {
2492 return None;
2493 }
2494
2495 let editor = self.editor.read(cx);
2496 let blame = editor.blame.clone()?;
2497 let padding = {
2498 const INLINE_ACCEPT_SUGGESTION_EM_WIDTHS: f32 = 14.;
2499
2500 let mut padding = ProjectSettings::get_global(cx).git.inline_blame.padding as f32;
2501
2502 if let Some(edit_prediction) = editor.active_edit_prediction.as_ref()
2503 && let EditPrediction::Edit {
2504 display_mode: EditDisplayMode::TabAccept,
2505 ..
2506 } = &edit_prediction.completion
2507 {
2508 padding += INLINE_ACCEPT_SUGGESTION_EM_WIDTHS
2509 }
2510
2511 padding * em_width
2512 };
2513
2514 let (buffer_id, entry) = blame
2515 .update(cx, |blame, cx| {
2516 blame.blame_for_rows(&[*row_info], cx).next()
2517 })
2518 .flatten()?;
2519
2520 let mut element = render_inline_blame_entry(entry.clone(), &self.style, cx)?;
2521
2522 let start_y =
2523 content_origin.y + line_height * ((display_row.as_f64() - scroll_position.y) as f32);
2524
2525 let start_x = {
2526 let line_end = if let Some(crease_trailer) = crease_trailer {
2527 crease_trailer.bounds.right()
2528 } else {
2529 Pixels::from(
2530 ScrollPixelOffset::from(content_origin.x + line_layout.width)
2531 - scroll_pixel_position.x,
2532 )
2533 };
2534
2535 let padded_line_end = line_end + padding;
2536
2537 let min_column_in_pixels = self.column_pixels(
2538 ProjectSettings::get_global(cx).git.inline_blame.min_column as usize,
2539 window,
2540 );
2541 let min_start = Pixels::from(
2542 ScrollPixelOffset::from(content_origin.x + min_column_in_pixels)
2543 - scroll_pixel_position.x,
2544 );
2545
2546 cmp::max(padded_line_end, min_start)
2547 };
2548
2549 let absolute_offset = point(start_x, start_y);
2550 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2551 let bounds = Bounds::new(absolute_offset, size);
2552
2553 self.layout_blame_entry_popover(
2554 entry.clone(),
2555 blame,
2556 line_height,
2557 text_hitbox,
2558 row_info.buffer_id?,
2559 window,
2560 cx,
2561 );
2562
2563 element.prepaint_as_root(absolute_offset, AvailableSpace::min_size(), window, cx);
2564
2565 Some(InlineBlameLayout {
2566 element,
2567 bounds,
2568 buffer_id,
2569 entry,
2570 })
2571 }
2572
2573 fn layout_blame_entry_popover(
2574 &self,
2575 blame_entry: BlameEntry,
2576 blame: Entity<GitBlame>,
2577 line_height: Pixels,
2578 text_hitbox: &Hitbox,
2579 buffer: BufferId,
2580 window: &mut Window,
2581 cx: &mut App,
2582 ) {
2583 let Some((popover_state, target_point)) = self.editor.read_with(cx, |editor, _| {
2584 editor
2585 .inline_blame_popover
2586 .as_ref()
2587 .map(|state| (state.popover_state.clone(), state.position))
2588 }) else {
2589 return;
2590 };
2591
2592 let workspace = self
2593 .editor
2594 .read_with(cx, |editor, _| editor.workspace().map(|w| w.downgrade()));
2595
2596 let maybe_element = workspace.and_then(|workspace| {
2597 render_blame_entry_popover(
2598 blame_entry,
2599 popover_state.scroll_handle,
2600 popover_state.commit_message,
2601 popover_state.markdown,
2602 workspace,
2603 &blame,
2604 buffer,
2605 window,
2606 cx,
2607 )
2608 });
2609
2610 if let Some(mut element) = maybe_element {
2611 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2612 let overall_height = size.height + HOVER_POPOVER_GAP;
2613 let popover_origin = if target_point.y > overall_height {
2614 point(target_point.x, target_point.y - size.height)
2615 } else {
2616 point(
2617 target_point.x,
2618 target_point.y + line_height + HOVER_POPOVER_GAP,
2619 )
2620 };
2621
2622 let horizontal_offset = (text_hitbox.top_right().x
2623 - POPOVER_RIGHT_OFFSET
2624 - (popover_origin.x + size.width))
2625 .min(Pixels::ZERO);
2626
2627 let origin = point(popover_origin.x + horizontal_offset, popover_origin.y);
2628 let popover_bounds = Bounds::new(origin, size);
2629
2630 self.editor.update(cx, |editor, _| {
2631 if let Some(state) = &mut editor.inline_blame_popover {
2632 state.popover_bounds = Some(popover_bounds);
2633 }
2634 });
2635
2636 window.defer_draw(element, origin, 2);
2637 }
2638 }
2639
2640 fn layout_blame_entries(
2641 &self,
2642 buffer_rows: &[RowInfo],
2643 em_width: Pixels,
2644 scroll_position: gpui::Point<ScrollOffset>,
2645 line_height: Pixels,
2646 gutter_hitbox: &Hitbox,
2647 max_width: Option<Pixels>,
2648 window: &mut Window,
2649 cx: &mut App,
2650 ) -> Option<Vec<AnyElement>> {
2651 if !self
2652 .editor
2653 .update(cx, |editor, cx| editor.render_git_blame_gutter(cx))
2654 {
2655 return None;
2656 }
2657
2658 let blame = self.editor.read(cx).blame.clone()?;
2659 let workspace = self.editor.read(cx).workspace()?;
2660 let blamed_rows: Vec<_> = blame.update(cx, |blame, cx| {
2661 blame.blame_for_rows(buffer_rows, cx).collect()
2662 });
2663
2664 let width = if let Some(max_width) = max_width {
2665 AvailableSpace::Definite(max_width)
2666 } else {
2667 AvailableSpace::MaxContent
2668 };
2669 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
2670 let start_x = em_width;
2671
2672 let mut last_used_color: Option<(Hsla, Oid)> = None;
2673 let blame_renderer = cx.global::<GlobalBlameRenderer>().0.clone();
2674
2675 let shaped_lines = blamed_rows
2676 .into_iter()
2677 .enumerate()
2678 .flat_map(|(ix, blame_entry)| {
2679 let (buffer_id, blame_entry) = blame_entry?;
2680 let mut element = render_blame_entry(
2681 ix,
2682 &blame,
2683 blame_entry,
2684 &self.style,
2685 &mut last_used_color,
2686 self.editor.clone(),
2687 workspace.clone(),
2688 buffer_id,
2689 &*blame_renderer,
2690 window,
2691 cx,
2692 )?;
2693
2694 let start_y = ix as f32 * line_height
2695 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height));
2696 let absolute_offset = gutter_hitbox.origin + point(start_x, start_y);
2697
2698 element.prepaint_as_root(
2699 absolute_offset,
2700 size(width, AvailableSpace::MinContent),
2701 window,
2702 cx,
2703 );
2704
2705 Some(element)
2706 })
2707 .collect();
2708
2709 Some(shaped_lines)
2710 }
2711
2712 fn layout_indent_guides(
2713 &self,
2714 content_origin: gpui::Point<Pixels>,
2715 text_origin: gpui::Point<Pixels>,
2716 visible_buffer_range: Range<MultiBufferRow>,
2717 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2718 line_height: Pixels,
2719 snapshot: &DisplaySnapshot,
2720 window: &mut Window,
2721 cx: &mut App,
2722 ) -> Option<Vec<IndentGuideLayout>> {
2723 let indent_guides = self.editor.update(cx, |editor, cx| {
2724 editor.indent_guides(visible_buffer_range, snapshot, cx)
2725 })?;
2726
2727 let active_indent_guide_indices = self.editor.update(cx, |editor, cx| {
2728 editor
2729 .find_active_indent_guide_indices(&indent_guides, snapshot, window, cx)
2730 .unwrap_or_default()
2731 });
2732
2733 Some(
2734 indent_guides
2735 .into_iter()
2736 .enumerate()
2737 .filter_map(|(i, indent_guide)| {
2738 let single_indent_width =
2739 self.column_pixels(indent_guide.tab_size as usize, window);
2740 let total_width = single_indent_width * indent_guide.depth as f32;
2741 let start_x = Pixels::from(
2742 ScrollOffset::from(content_origin.x + total_width)
2743 - scroll_pixel_position.x,
2744 );
2745 if start_x >= text_origin.x {
2746 let (offset_y, length) = Self::calculate_indent_guide_bounds(
2747 indent_guide.start_row..indent_guide.end_row,
2748 line_height,
2749 snapshot,
2750 );
2751
2752 let start_y = Pixels::from(
2753 ScrollOffset::from(content_origin.y) + offset_y
2754 - scroll_pixel_position.y,
2755 );
2756
2757 Some(IndentGuideLayout {
2758 origin: point(start_x, start_y),
2759 length,
2760 single_indent_width,
2761 depth: indent_guide.depth,
2762 active: active_indent_guide_indices.contains(&i),
2763 settings: indent_guide.settings,
2764 })
2765 } else {
2766 None
2767 }
2768 })
2769 .collect(),
2770 )
2771 }
2772
2773 fn layout_wrap_guides(
2774 &self,
2775 em_advance: Pixels,
2776 scroll_position: gpui::Point<f64>,
2777 content_origin: gpui::Point<Pixels>,
2778 scrollbar_layout: Option<&EditorScrollbars>,
2779 vertical_scrollbar_width: Pixels,
2780 hitbox: &Hitbox,
2781 window: &Window,
2782 cx: &App,
2783 ) -> SmallVec<[(Pixels, bool); 2]> {
2784 let scroll_left = scroll_position.x as f32 * em_advance;
2785 let content_origin = content_origin.x;
2786 let horizontal_offset = content_origin - scroll_left;
2787 let vertical_scrollbar_width = scrollbar_layout
2788 .and_then(|layout| layout.visible.then_some(vertical_scrollbar_width))
2789 .unwrap_or_default();
2790
2791 self.editor
2792 .read(cx)
2793 .wrap_guides(cx)
2794 .into_iter()
2795 .flat_map(|(guide, active)| {
2796 let wrap_position = self.column_pixels(guide, window);
2797 let wrap_guide_x = wrap_position + horizontal_offset;
2798 let display_wrap_guide = wrap_guide_x >= content_origin
2799 && wrap_guide_x <= hitbox.bounds.right() - vertical_scrollbar_width;
2800
2801 display_wrap_guide.then_some((wrap_guide_x, active))
2802 })
2803 .collect()
2804 }
2805
2806 fn calculate_indent_guide_bounds(
2807 row_range: Range<MultiBufferRow>,
2808 line_height: Pixels,
2809 snapshot: &DisplaySnapshot,
2810 ) -> (f64, gpui::Pixels) {
2811 let start_point = Point::new(row_range.start.0, 0);
2812 let end_point = Point::new(row_range.end.0, 0);
2813
2814 let row_range = start_point.to_display_point(snapshot).row()
2815 ..end_point.to_display_point(snapshot).row();
2816
2817 let mut prev_line = start_point;
2818 prev_line.row = prev_line.row.saturating_sub(1);
2819 let prev_line = prev_line.to_display_point(snapshot).row();
2820
2821 let mut cons_line = end_point;
2822 cons_line.row += 1;
2823 let cons_line = cons_line.to_display_point(snapshot).row();
2824
2825 let mut offset_y = row_range.start.as_f64() * f64::from(line_height);
2826 let mut length = (cons_line.0.saturating_sub(row_range.start.0)) as f32 * line_height;
2827
2828 // If we are at the end of the buffer, ensure that the indent guide extends to the end of the line.
2829 if row_range.end == cons_line {
2830 length += line_height;
2831 }
2832
2833 // If there is a block (e.g. diagnostic) in between the start of the indent guide and the line above,
2834 // we want to extend the indent guide to the start of the block.
2835 let mut block_height = 0;
2836 let mut block_offset = 0;
2837 let mut found_excerpt_header = false;
2838 for (_, block) in snapshot.blocks_in_range(prev_line..row_range.start) {
2839 if matches!(
2840 block,
2841 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
2842 ) {
2843 found_excerpt_header = true;
2844 break;
2845 }
2846 block_offset += block.height();
2847 block_height += block.height();
2848 }
2849 if !found_excerpt_header {
2850 offset_y -= block_offset as f64 * f64::from(line_height);
2851 length += block_height as f32 * line_height;
2852 }
2853
2854 // If there is a block (e.g. diagnostic) at the end of an multibuffer excerpt,
2855 // we want to ensure that the indent guide stops before the excerpt header.
2856 let mut block_height = 0;
2857 let mut found_excerpt_header = false;
2858 for (_, block) in snapshot.blocks_in_range(row_range.end..cons_line) {
2859 if matches!(
2860 block,
2861 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
2862 ) {
2863 found_excerpt_header = true;
2864 }
2865 block_height += block.height();
2866 }
2867 if found_excerpt_header {
2868 length -= block_height as f32 * line_height;
2869 }
2870
2871 (offset_y, length)
2872 }
2873
2874 fn layout_breakpoints(
2875 &self,
2876 line_height: Pixels,
2877 range: Range<DisplayRow>,
2878 scroll_position: gpui::Point<ScrollOffset>,
2879 gutter_dimensions: &GutterDimensions,
2880 gutter_hitbox: &Hitbox,
2881 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2882 snapshot: &EditorSnapshot,
2883 breakpoints: HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2884 row_infos: &[RowInfo],
2885 window: &mut Window,
2886 cx: &mut App,
2887 ) -> Vec<AnyElement> {
2888 self.editor.update(cx, |editor, cx| {
2889 breakpoints
2890 .into_iter()
2891 .filter_map(|(display_row, (text_anchor, bp, state))| {
2892 if row_infos
2893 .get((display_row.0.saturating_sub(range.start.0)) as usize)
2894 .is_some_and(|row_info| {
2895 row_info.expand_info.is_some()
2896 || row_info
2897 .diff_status
2898 .is_some_and(|status| status.is_deleted())
2899 })
2900 {
2901 return None;
2902 }
2903
2904 if range.start > display_row || range.end < display_row {
2905 return None;
2906 }
2907
2908 let row =
2909 MultiBufferRow(DisplayPoint::new(display_row, 0).to_point(snapshot).row);
2910 if snapshot.is_line_folded(row) {
2911 return None;
2912 }
2913
2914 let button = editor.render_breakpoint(text_anchor, display_row, &bp, state, cx);
2915
2916 let button = prepaint_gutter_button(
2917 button,
2918 display_row,
2919 line_height,
2920 gutter_dimensions,
2921 scroll_position,
2922 gutter_hitbox,
2923 display_hunks,
2924 window,
2925 cx,
2926 );
2927 Some(button)
2928 })
2929 .collect_vec()
2930 })
2931 }
2932
2933 #[allow(clippy::too_many_arguments)]
2934 fn layout_run_indicators(
2935 &self,
2936 line_height: Pixels,
2937 range: Range<DisplayRow>,
2938 row_infos: &[RowInfo],
2939 scroll_position: gpui::Point<ScrollOffset>,
2940 gutter_dimensions: &GutterDimensions,
2941 gutter_hitbox: &Hitbox,
2942 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2943 snapshot: &EditorSnapshot,
2944 breakpoints: &mut HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2945 window: &mut Window,
2946 cx: &mut App,
2947 ) -> Vec<AnyElement> {
2948 self.editor.update(cx, |editor, cx| {
2949 let active_task_indicator_row =
2950 // TODO: add edit button on the right side of each row in the context menu
2951 if let Some(crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2952 deployed_from,
2953 actions,
2954 ..
2955 })) = editor.context_menu.borrow().as_ref()
2956 {
2957 actions
2958 .tasks()
2959 .map(|tasks| tasks.position.to_display_point(snapshot).row())
2960 .or_else(|| match deployed_from {
2961 Some(CodeActionSource::Indicator(row)) => Some(*row),
2962 _ => None,
2963 })
2964 } else {
2965 None
2966 };
2967
2968 let offset_range_start =
2969 snapshot.display_point_to_point(DisplayPoint::new(range.start, 0), Bias::Left);
2970
2971 let offset_range_end =
2972 snapshot.display_point_to_point(DisplayPoint::new(range.end, 0), Bias::Right);
2973
2974 editor
2975 .tasks
2976 .iter()
2977 .filter_map(|(_, tasks)| {
2978 let multibuffer_point = tasks.offset.to_point(&snapshot.buffer_snapshot());
2979 if multibuffer_point < offset_range_start
2980 || multibuffer_point > offset_range_end
2981 {
2982 return None;
2983 }
2984 let multibuffer_row = MultiBufferRow(multibuffer_point.row);
2985 let buffer_folded = snapshot
2986 .buffer_snapshot()
2987 .buffer_line_for_row(multibuffer_row)
2988 .map(|(buffer_snapshot, _)| buffer_snapshot.remote_id())
2989 .map(|buffer_id| editor.is_buffer_folded(buffer_id, cx))
2990 .unwrap_or(false);
2991 if buffer_folded {
2992 return None;
2993 }
2994
2995 if snapshot.is_line_folded(multibuffer_row) {
2996 // Skip folded indicators, unless it's the starting line of a fold.
2997 if multibuffer_row
2998 .0
2999 .checked_sub(1)
3000 .is_some_and(|previous_row| {
3001 snapshot.is_line_folded(MultiBufferRow(previous_row))
3002 })
3003 {
3004 return None;
3005 }
3006 }
3007
3008 let display_row = multibuffer_point.to_display_point(snapshot).row();
3009 if !range.contains(&display_row) {
3010 return None;
3011 }
3012 if row_infos
3013 .get((display_row - range.start).0 as usize)
3014 .is_some_and(|row_info| row_info.expand_info.is_some())
3015 {
3016 return None;
3017 }
3018
3019 let button = editor.render_run_indicator(
3020 &self.style,
3021 Some(display_row) == active_task_indicator_row,
3022 display_row,
3023 breakpoints.remove(&display_row),
3024 cx,
3025 );
3026
3027 let button = prepaint_gutter_button(
3028 button,
3029 display_row,
3030 line_height,
3031 gutter_dimensions,
3032 scroll_position,
3033 gutter_hitbox,
3034 display_hunks,
3035 window,
3036 cx,
3037 );
3038 Some(button)
3039 })
3040 .collect_vec()
3041 })
3042 }
3043
3044 fn layout_expand_toggles(
3045 &self,
3046 gutter_hitbox: &Hitbox,
3047 gutter_dimensions: GutterDimensions,
3048 em_width: Pixels,
3049 line_height: Pixels,
3050 scroll_position: gpui::Point<ScrollOffset>,
3051 buffer_rows: &[RowInfo],
3052 window: &mut Window,
3053 cx: &mut App,
3054 ) -> Vec<Option<(AnyElement, gpui::Point<Pixels>)>> {
3055 if self.editor.read(cx).disable_expand_excerpt_buttons {
3056 return vec![];
3057 }
3058
3059 let editor_font_size = self.style.text.font_size.to_pixels(window.rem_size()) * 1.2;
3060
3061 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
3062
3063 let max_line_number_length = self
3064 .editor
3065 .read(cx)
3066 .buffer()
3067 .read(cx)
3068 .snapshot(cx)
3069 .widest_line_number()
3070 .ilog10()
3071 + 1;
3072
3073 let git_gutter_width = Self::gutter_strip_width(line_height)
3074 + gutter_dimensions
3075 .git_blame_entries_width
3076 .unwrap_or_default();
3077 let available_width = gutter_dimensions.left_padding - git_gutter_width;
3078
3079 buffer_rows
3080 .iter()
3081 .enumerate()
3082 .map(|(ix, row_info)| {
3083 let ExpandInfo {
3084 excerpt_id,
3085 direction,
3086 } = row_info.expand_info?;
3087
3088 let icon_name = match direction {
3089 ExpandExcerptDirection::Up => IconName::ExpandUp,
3090 ExpandExcerptDirection::Down => IconName::ExpandDown,
3091 ExpandExcerptDirection::UpAndDown => IconName::ExpandVertical,
3092 };
3093
3094 let editor = self.editor.clone();
3095 let is_wide = max_line_number_length
3096 >= EditorSettings::get_global(cx).gutter.min_line_number_digits as u32
3097 && row_info
3098 .buffer_row
3099 .is_some_and(|row| (row + 1).ilog10() + 1 == max_line_number_length)
3100 || gutter_dimensions.right_padding == px(0.);
3101
3102 let width = if is_wide {
3103 available_width - px(2.)
3104 } else {
3105 available_width + em_width - px(2.)
3106 };
3107
3108 let toggle = IconButton::new(("expand", ix), icon_name)
3109 .icon_color(Color::Custom(cx.theme().colors().editor_line_number))
3110 .selected_icon_color(Color::Custom(cx.theme().colors().editor_foreground))
3111 .icon_size(IconSize::Custom(rems(editor_font_size / window.rem_size())))
3112 .width(width)
3113 .on_click(move |_, window, cx| {
3114 editor.update(cx, |editor, cx| {
3115 editor.expand_excerpt(excerpt_id, direction, window, cx);
3116 });
3117 })
3118 .tooltip(Tooltip::for_action_title(
3119 "Expand Excerpt",
3120 &crate::actions::ExpandExcerpts::default(),
3121 ))
3122 .into_any_element();
3123
3124 let position = point(
3125 git_gutter_width + px(1.),
3126 ix as f32 * line_height
3127 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height))
3128 + px(1.),
3129 );
3130 let origin = gutter_hitbox.origin + position;
3131
3132 Some((toggle, origin))
3133 })
3134 .collect()
3135 }
3136
3137 fn calculate_relative_line_numbers(
3138 &self,
3139 snapshot: &EditorSnapshot,
3140 rows: &Range<DisplayRow>,
3141 relative_to: Option<DisplayRow>,
3142 ) -> HashMap<DisplayRow, DisplayRowDelta> {
3143 let mut relative_rows: HashMap<DisplayRow, DisplayRowDelta> = Default::default();
3144 let Some(relative_to) = relative_to else {
3145 return relative_rows;
3146 };
3147
3148 let start = rows.start.min(relative_to);
3149 let end = rows.end.max(relative_to);
3150
3151 let buffer_rows = snapshot
3152 .row_infos(start)
3153 .take(1 + end.minus(start) as usize)
3154 .collect::<Vec<_>>();
3155
3156 let head_idx = relative_to.minus(start);
3157 let mut delta = 1;
3158 let mut i = head_idx + 1;
3159 while i < buffer_rows.len() as u32 {
3160 if buffer_rows[i as usize].buffer_row.is_some() {
3161 if rows.contains(&DisplayRow(i + start.0)) {
3162 relative_rows.insert(DisplayRow(i + start.0), delta);
3163 }
3164 delta += 1;
3165 }
3166 i += 1;
3167 }
3168 delta = 1;
3169 i = head_idx.min(buffer_rows.len() as u32 - 1);
3170 while i > 0 && buffer_rows[i as usize].buffer_row.is_none() {
3171 i -= 1;
3172 }
3173
3174 while i > 0 {
3175 i -= 1;
3176 if buffer_rows[i as usize].buffer_row.is_some() {
3177 if rows.contains(&DisplayRow(i + start.0)) {
3178 relative_rows.insert(DisplayRow(i + start.0), delta);
3179 }
3180 delta += 1;
3181 }
3182 }
3183
3184 relative_rows
3185 }
3186
3187 fn layout_line_numbers(
3188 &self,
3189 gutter_hitbox: Option<&Hitbox>,
3190 gutter_dimensions: GutterDimensions,
3191 line_height: Pixels,
3192 scroll_position: gpui::Point<ScrollOffset>,
3193 rows: Range<DisplayRow>,
3194 buffer_rows: &[RowInfo],
3195 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3196 newest_selection_head: Option<DisplayPoint>,
3197 snapshot: &EditorSnapshot,
3198 window: &mut Window,
3199 cx: &mut App,
3200 ) -> Arc<HashMap<MultiBufferRow, LineNumberLayout>> {
3201 let include_line_numbers = snapshot
3202 .show_line_numbers
3203 .unwrap_or_else(|| EditorSettings::get_global(cx).gutter.line_numbers);
3204 if !include_line_numbers {
3205 return Arc::default();
3206 }
3207
3208 let (newest_selection_head, is_relative) = self.editor.update(cx, |editor, cx| {
3209 let newest_selection_head = newest_selection_head.unwrap_or_else(|| {
3210 let newest = editor.selections.newest::<Point>(cx);
3211 SelectionLayout::new(
3212 newest,
3213 editor.selections.line_mode(),
3214 editor.cursor_shape,
3215 &snapshot.display_snapshot,
3216 true,
3217 true,
3218 None,
3219 )
3220 .head
3221 });
3222 let is_relative = editor.should_use_relative_line_numbers(cx);
3223 (newest_selection_head, is_relative)
3224 });
3225
3226 let relative_to = if is_relative {
3227 Some(newest_selection_head.row())
3228 } else {
3229 None
3230 };
3231 let relative_rows = self.calculate_relative_line_numbers(snapshot, &rows, relative_to);
3232 let mut line_number = String::new();
3233 let line_numbers = buffer_rows
3234 .iter()
3235 .enumerate()
3236 .flat_map(|(ix, row_info)| {
3237 let display_row = DisplayRow(rows.start.0 + ix as u32);
3238 line_number.clear();
3239 let non_relative_number = row_info.buffer_row? + 1;
3240 let number = relative_rows
3241 .get(&display_row)
3242 .unwrap_or(&non_relative_number);
3243 write!(&mut line_number, "{number}").unwrap();
3244 if row_info
3245 .diff_status
3246 .is_some_and(|status| status.is_deleted())
3247 {
3248 return None;
3249 }
3250
3251 let color = active_rows
3252 .get(&display_row)
3253 .map(|spec| {
3254 if spec.breakpoint {
3255 cx.theme().colors().debugger_accent
3256 } else {
3257 cx.theme().colors().editor_active_line_number
3258 }
3259 })
3260 .unwrap_or_else(|| cx.theme().colors().editor_line_number);
3261 let shaped_line =
3262 self.shape_line_number(SharedString::from(&line_number), color, window);
3263 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
3264 let line_origin = gutter_hitbox.map(|hitbox| {
3265 hitbox.origin
3266 + point(
3267 hitbox.size.width - shaped_line.width - gutter_dimensions.right_padding,
3268 ix as f32 * line_height
3269 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height)),
3270 )
3271 });
3272
3273 #[cfg(not(test))]
3274 let hitbox = line_origin.map(|line_origin| {
3275 window.insert_hitbox(
3276 Bounds::new(line_origin, size(shaped_line.width, line_height)),
3277 HitboxBehavior::Normal,
3278 )
3279 });
3280 #[cfg(test)]
3281 let hitbox = {
3282 let _ = line_origin;
3283 None
3284 };
3285
3286 let multi_buffer_row = DisplayPoint::new(display_row, 0).to_point(snapshot).row;
3287 let multi_buffer_row = MultiBufferRow(multi_buffer_row);
3288 let line_number = LineNumberLayout {
3289 shaped_line,
3290 hitbox,
3291 };
3292 Some((multi_buffer_row, line_number))
3293 })
3294 .collect();
3295 Arc::new(line_numbers)
3296 }
3297
3298 fn layout_crease_toggles(
3299 &self,
3300 rows: Range<DisplayRow>,
3301 row_infos: &[RowInfo],
3302 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3303 snapshot: &EditorSnapshot,
3304 window: &mut Window,
3305 cx: &mut App,
3306 ) -> Vec<Option<AnyElement>> {
3307 let include_fold_statuses = EditorSettings::get_global(cx).gutter.folds
3308 && snapshot.mode.is_full()
3309 && self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
3310 if include_fold_statuses {
3311 row_infos
3312 .iter()
3313 .enumerate()
3314 .map(|(ix, info)| {
3315 if info.expand_info.is_some() {
3316 return None;
3317 }
3318 let row = info.multibuffer_row?;
3319 let display_row = DisplayRow(rows.start.0 + ix as u32);
3320 let active = active_rows.contains_key(&display_row);
3321
3322 snapshot.render_crease_toggle(row, active, self.editor.clone(), window, cx)
3323 })
3324 .collect()
3325 } else {
3326 Vec::new()
3327 }
3328 }
3329
3330 fn layout_crease_trailers(
3331 &self,
3332 buffer_rows: impl IntoIterator<Item = RowInfo>,
3333 snapshot: &EditorSnapshot,
3334 window: &mut Window,
3335 cx: &mut App,
3336 ) -> Vec<Option<AnyElement>> {
3337 buffer_rows
3338 .into_iter()
3339 .map(|row_info| {
3340 if row_info.expand_info.is_some() {
3341 return None;
3342 }
3343 if let Some(row) = row_info.multibuffer_row {
3344 snapshot.render_crease_trailer(row, window, cx)
3345 } else {
3346 None
3347 }
3348 })
3349 .collect()
3350 }
3351
3352 fn bg_segments_per_row(
3353 rows: Range<DisplayRow>,
3354 selections: &[(PlayerColor, Vec<SelectionLayout>)],
3355 highlight_ranges: &[(Range<DisplayPoint>, Hsla)],
3356 base_background: Hsla,
3357 ) -> Vec<Vec<(Range<DisplayPoint>, Hsla)>> {
3358 if rows.start >= rows.end {
3359 return Vec::new();
3360 }
3361 if !base_background.is_opaque() {
3362 // We don't actually know what color is behind this editor.
3363 return Vec::new();
3364 }
3365 let highlight_iter = highlight_ranges.iter().cloned();
3366 let selection_iter = selections.iter().flat_map(|(player_color, layouts)| {
3367 let color = player_color.selection;
3368 layouts.iter().filter_map(move |selection_layout| {
3369 if selection_layout.range.start != selection_layout.range.end {
3370 Some((selection_layout.range.clone(), color))
3371 } else {
3372 None
3373 }
3374 })
3375 });
3376 let mut per_row_map = vec![Vec::new(); rows.len()];
3377 for (range, color) in highlight_iter.chain(selection_iter) {
3378 let covered_rows = if range.end.column() == 0 {
3379 cmp::max(range.start.row(), rows.start)..cmp::min(range.end.row(), rows.end)
3380 } else {
3381 cmp::max(range.start.row(), rows.start)
3382 ..cmp::min(range.end.row().next_row(), rows.end)
3383 };
3384 for row in covered_rows.iter_rows() {
3385 let seg_start = if row == range.start.row() {
3386 range.start
3387 } else {
3388 DisplayPoint::new(row, 0)
3389 };
3390 let seg_end = if row == range.end.row() && range.end.column() != 0 {
3391 range.end
3392 } else {
3393 DisplayPoint::new(row, u32::MAX)
3394 };
3395 let ix = row.minus(rows.start) as usize;
3396 debug_assert!(row >= rows.start && row < rows.end);
3397 debug_assert!(ix < per_row_map.len());
3398 per_row_map[ix].push((seg_start..seg_end, color));
3399 }
3400 }
3401 for row_segments in per_row_map.iter_mut() {
3402 if row_segments.is_empty() {
3403 continue;
3404 }
3405 let segments = mem::take(row_segments);
3406 let merged = Self::merge_overlapping_ranges(segments, base_background);
3407 *row_segments = merged;
3408 }
3409 per_row_map
3410 }
3411
3412 /// Merge overlapping ranges by splitting at all range boundaries and blending colors where
3413 /// multiple ranges overlap. The result contains non-overlapping ranges ordered from left to right.
3414 ///
3415 /// Expects `start.row() == end.row()` for each range.
3416 fn merge_overlapping_ranges(
3417 ranges: Vec<(Range<DisplayPoint>, Hsla)>,
3418 base_background: Hsla,
3419 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
3420 struct Boundary {
3421 pos: DisplayPoint,
3422 is_start: bool,
3423 index: usize,
3424 color: Hsla,
3425 }
3426
3427 let mut boundaries: SmallVec<[Boundary; 16]> = SmallVec::with_capacity(ranges.len() * 2);
3428 for (index, (range, color)) in ranges.iter().enumerate() {
3429 debug_assert!(
3430 range.start.row() == range.end.row(),
3431 "expects single-row ranges"
3432 );
3433 if range.start < range.end {
3434 boundaries.push(Boundary {
3435 pos: range.start,
3436 is_start: true,
3437 index,
3438 color: *color,
3439 });
3440 boundaries.push(Boundary {
3441 pos: range.end,
3442 is_start: false,
3443 index,
3444 color: *color,
3445 });
3446 }
3447 }
3448
3449 if boundaries.is_empty() {
3450 return Vec::new();
3451 }
3452
3453 boundaries
3454 .sort_unstable_by(|a, b| a.pos.cmp(&b.pos).then_with(|| a.is_start.cmp(&b.is_start)));
3455
3456 let mut processed_ranges: Vec<(Range<DisplayPoint>, Hsla)> = Vec::new();
3457 let mut active_ranges: SmallVec<[(usize, Hsla); 8]> = SmallVec::new();
3458
3459 let mut i = 0;
3460 let mut start_pos = boundaries[0].pos;
3461
3462 let boundaries_len = boundaries.len();
3463 while i < boundaries_len {
3464 let current_boundary_pos = boundaries[i].pos;
3465 if start_pos < current_boundary_pos {
3466 if !active_ranges.is_empty() {
3467 let mut color = base_background;
3468 for &(_, c) in &active_ranges {
3469 color = Hsla::blend(color, c);
3470 }
3471 if let Some((last_range, last_color)) = processed_ranges.last_mut() {
3472 if *last_color == color && last_range.end == start_pos {
3473 last_range.end = current_boundary_pos;
3474 } else {
3475 processed_ranges.push((start_pos..current_boundary_pos, color));
3476 }
3477 } else {
3478 processed_ranges.push((start_pos..current_boundary_pos, color));
3479 }
3480 }
3481 }
3482 while i < boundaries_len && boundaries[i].pos == current_boundary_pos {
3483 let active_range = &boundaries[i];
3484 if active_range.is_start {
3485 let idx = active_range.index;
3486 let pos = active_ranges
3487 .binary_search_by_key(&idx, |(i, _)| *i)
3488 .unwrap_or_else(|p| p);
3489 active_ranges.insert(pos, (idx, active_range.color));
3490 } else {
3491 let idx = active_range.index;
3492 if let Ok(pos) = active_ranges.binary_search_by_key(&idx, |(i, _)| *i) {
3493 active_ranges.remove(pos);
3494 }
3495 }
3496 i += 1;
3497 }
3498 start_pos = current_boundary_pos;
3499 }
3500
3501 processed_ranges
3502 }
3503
3504 fn layout_lines(
3505 rows: Range<DisplayRow>,
3506 snapshot: &EditorSnapshot,
3507 style: &EditorStyle,
3508 editor_width: Pixels,
3509 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3510 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
3511 window: &mut Window,
3512 cx: &mut App,
3513 ) -> Vec<LineWithInvisibles> {
3514 if rows.start >= rows.end {
3515 return Vec::new();
3516 }
3517
3518 // Show the placeholder when the editor is empty
3519 if snapshot.is_empty() {
3520 let font_size = style.text.font_size.to_pixels(window.rem_size());
3521 let placeholder_color = cx.theme().colors().text_placeholder;
3522 let placeholder_text = snapshot.placeholder_text();
3523
3524 let placeholder_lines = placeholder_text
3525 .as_ref()
3526 .map_or(Vec::new(), |text| text.split('\n').collect::<Vec<_>>());
3527
3528 let placeholder_line_count = placeholder_lines.len();
3529
3530 placeholder_lines
3531 .into_iter()
3532 .skip(rows.start.0 as usize)
3533 .chain(iter::repeat(""))
3534 .take(cmp::max(rows.len(), placeholder_line_count))
3535 .map(move |line| {
3536 let run = TextRun {
3537 len: line.len(),
3538 font: style.text.font(),
3539 color: placeholder_color,
3540 background_color: None,
3541 underline: None,
3542 strikethrough: None,
3543 };
3544 let line = window.text_system().shape_line(
3545 line.to_string().into(),
3546 font_size,
3547 &[run],
3548 None,
3549 );
3550 LineWithInvisibles {
3551 width: line.width,
3552 len: line.len,
3553 fragments: smallvec![LineFragment::Text(line)],
3554 invisibles: Vec::new(),
3555 font_size,
3556 }
3557 })
3558 .collect()
3559 } else {
3560 let chunks = snapshot.highlighted_chunks(rows.clone(), true, style);
3561 LineWithInvisibles::from_chunks(
3562 chunks,
3563 style,
3564 MAX_LINE_LEN,
3565 rows.len(),
3566 &snapshot.mode,
3567 editor_width,
3568 is_row_soft_wrapped,
3569 bg_segments_per_row,
3570 window,
3571 cx,
3572 )
3573 }
3574 }
3575
3576 fn prepaint_lines(
3577 &self,
3578 start_row: DisplayRow,
3579 line_layouts: &mut [LineWithInvisibles],
3580 line_height: Pixels,
3581 scroll_position: gpui::Point<ScrollOffset>,
3582 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
3583 content_origin: gpui::Point<Pixels>,
3584 window: &mut Window,
3585 cx: &mut App,
3586 ) -> SmallVec<[AnyElement; 1]> {
3587 let mut line_elements = SmallVec::new();
3588 for (ix, line) in line_layouts.iter_mut().enumerate() {
3589 let row = start_row + DisplayRow(ix as u32);
3590 line.prepaint(
3591 line_height,
3592 scroll_position,
3593 scroll_pixel_position,
3594 row,
3595 content_origin,
3596 &mut line_elements,
3597 window,
3598 cx,
3599 );
3600 }
3601 line_elements
3602 }
3603
3604 fn render_block(
3605 &self,
3606 block: &Block,
3607 available_width: AvailableSpace,
3608 block_id: BlockId,
3609 block_row_start: DisplayRow,
3610 snapshot: &EditorSnapshot,
3611 text_x: Pixels,
3612 rows: &Range<DisplayRow>,
3613 line_layouts: &[LineWithInvisibles],
3614 editor_margins: &EditorMargins,
3615 line_height: Pixels,
3616 em_width: Pixels,
3617 text_hitbox: &Hitbox,
3618 editor_width: Pixels,
3619 scroll_width: &mut Pixels,
3620 resized_blocks: &mut HashMap<CustomBlockId, u32>,
3621 row_block_types: &mut HashMap<DisplayRow, bool>,
3622 selections: &[Selection<Point>],
3623 selected_buffer_ids: &Vec<BufferId>,
3624 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3625 sticky_header_excerpt_id: Option<ExcerptId>,
3626 window: &mut Window,
3627 cx: &mut App,
3628 ) -> Option<(AnyElement, Size<Pixels>, DisplayRow, Pixels)> {
3629 let mut x_position = None;
3630 let mut element = match block {
3631 Block::Custom(custom) => {
3632 let block_start = custom.start().to_point(&snapshot.buffer_snapshot());
3633 let block_end = custom.end().to_point(&snapshot.buffer_snapshot());
3634 if block.place_near() && snapshot.is_line_folded(MultiBufferRow(block_start.row)) {
3635 return None;
3636 }
3637 let align_to = block_start.to_display_point(snapshot);
3638 let x_and_width = |layout: &LineWithInvisibles| {
3639 Some((
3640 text_x + layout.x_for_index(align_to.column() as usize),
3641 text_x + layout.width,
3642 ))
3643 };
3644 let line_ix = align_to.row().0.checked_sub(rows.start.0);
3645 x_position =
3646 if let Some(layout) = line_ix.and_then(|ix| line_layouts.get(ix as usize)) {
3647 x_and_width(layout)
3648 } else {
3649 x_and_width(&layout_line(
3650 align_to.row(),
3651 snapshot,
3652 &self.style,
3653 editor_width,
3654 is_row_soft_wrapped,
3655 window,
3656 cx,
3657 ))
3658 };
3659
3660 let anchor_x = x_position.unwrap().0;
3661
3662 let selected = selections
3663 .binary_search_by(|selection| {
3664 if selection.end <= block_start {
3665 Ordering::Less
3666 } else if selection.start >= block_end {
3667 Ordering::Greater
3668 } else {
3669 Ordering::Equal
3670 }
3671 })
3672 .is_ok();
3673
3674 div()
3675 .size_full()
3676 .child(custom.render(&mut BlockContext {
3677 window,
3678 app: cx,
3679 anchor_x,
3680 margins: editor_margins,
3681 line_height,
3682 em_width,
3683 block_id,
3684 selected,
3685 max_width: text_hitbox.size.width.max(*scroll_width),
3686 editor_style: &self.style,
3687 }))
3688 .into_any()
3689 }
3690
3691 Block::FoldedBuffer {
3692 first_excerpt,
3693 height,
3694 ..
3695 } => {
3696 let selected = selected_buffer_ids.contains(&first_excerpt.buffer_id);
3697 let result = v_flex().id(block_id).w_full().pr(editor_margins.right);
3698
3699 let jump_data = header_jump_data(snapshot, block_row_start, *height, first_excerpt);
3700 result
3701 .child(self.render_buffer_header(
3702 first_excerpt,
3703 true,
3704 selected,
3705 false,
3706 jump_data,
3707 window,
3708 cx,
3709 ))
3710 .into_any_element()
3711 }
3712
3713 Block::ExcerptBoundary { .. } => {
3714 let color = cx.theme().colors().clone();
3715 let mut result = v_flex().id(block_id).w_full();
3716
3717 result = result.child(
3718 h_flex().relative().child(
3719 div()
3720 .top(line_height / 2.)
3721 .absolute()
3722 .w_full()
3723 .h_px()
3724 .bg(color.border_variant),
3725 ),
3726 );
3727
3728 result.into_any()
3729 }
3730
3731 Block::BufferHeader { excerpt, height } => {
3732 let mut result = v_flex().id(block_id).w_full();
3733
3734 let jump_data = header_jump_data(snapshot, block_row_start, *height, excerpt);
3735
3736 if sticky_header_excerpt_id != Some(excerpt.id) {
3737 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
3738
3739 result = result.child(div().pr(editor_margins.right).child(
3740 self.render_buffer_header(
3741 excerpt, false, selected, false, jump_data, window, cx,
3742 ),
3743 ));
3744 } else {
3745 result =
3746 result.child(div().h(FILE_HEADER_HEIGHT as f32 * window.line_height()));
3747 }
3748
3749 result.into_any()
3750 }
3751 };
3752
3753 // Discover the element's content height, then round up to the nearest multiple of line height.
3754 let preliminary_size = element.layout_as_root(
3755 size(available_width, AvailableSpace::MinContent),
3756 window,
3757 cx,
3758 );
3759 let quantized_height = (preliminary_size.height / line_height).ceil() * line_height;
3760 let final_size = if preliminary_size.height == quantized_height {
3761 preliminary_size
3762 } else {
3763 element.layout_as_root(size(available_width, quantized_height.into()), window, cx)
3764 };
3765 let mut element_height_in_lines = ((final_size.height / line_height).ceil() as u32).max(1);
3766
3767 let mut row = block_row_start;
3768 let mut x_offset = px(0.);
3769 let mut is_block = true;
3770
3771 if let BlockId::Custom(custom_block_id) = block_id
3772 && block.has_height()
3773 {
3774 if block.place_near()
3775 && let Some((x_target, line_width)) = x_position
3776 {
3777 let margin = em_width * 2;
3778 if line_width + final_size.width + margin
3779 < editor_width + editor_margins.gutter.full_width()
3780 && !row_block_types.contains_key(&(row - 1))
3781 && element_height_in_lines == 1
3782 {
3783 x_offset = line_width + margin;
3784 row = row - 1;
3785 is_block = false;
3786 element_height_in_lines = 0;
3787 row_block_types.insert(row, is_block);
3788 } else {
3789 let max_offset =
3790 editor_width + editor_margins.gutter.full_width() - final_size.width;
3791 let min_offset = (x_target + em_width - final_size.width)
3792 .max(editor_margins.gutter.full_width());
3793 x_offset = x_target.min(max_offset).max(min_offset);
3794 }
3795 };
3796 if element_height_in_lines != block.height() {
3797 resized_blocks.insert(custom_block_id, element_height_in_lines);
3798 }
3799 }
3800 for i in 0..element_height_in_lines {
3801 row_block_types.insert(row + i, is_block);
3802 }
3803
3804 Some((element, final_size, row, x_offset))
3805 }
3806
3807 fn render_buffer_header(
3808 &self,
3809 for_excerpt: &ExcerptInfo,
3810 is_folded: bool,
3811 is_selected: bool,
3812 is_sticky: bool,
3813 jump_data: JumpData,
3814 window: &mut Window,
3815 cx: &mut App,
3816 ) -> impl IntoElement {
3817 let editor = self.editor.read(cx);
3818 let multi_buffer = editor.buffer.read(cx);
3819 let file_status = multi_buffer
3820 .all_diff_hunks_expanded()
3821 .then(|| {
3822 editor
3823 .project
3824 .as_ref()?
3825 .read(cx)
3826 .status_for_buffer_id(for_excerpt.buffer_id, cx)
3827 })
3828 .flatten();
3829 let indicator = multi_buffer
3830 .buffer(for_excerpt.buffer_id)
3831 .and_then(|buffer| {
3832 let buffer = buffer.read(cx);
3833 let indicator_color = match (buffer.has_conflict(), buffer.is_dirty()) {
3834 (true, _) => Some(Color::Warning),
3835 (_, true) => Some(Color::Accent),
3836 (false, false) => None,
3837 };
3838 indicator_color.map(|indicator_color| Indicator::dot().color(indicator_color))
3839 });
3840
3841 let include_root = editor
3842 .project
3843 .as_ref()
3844 .map(|project| project.read(cx).visible_worktrees(cx).count() > 1)
3845 .unwrap_or_default();
3846 let file = for_excerpt.buffer.file();
3847 let can_open_excerpts = Editor::can_open_excerpts_in_file(file);
3848 let path_style = file.map(|file| file.path_style(cx));
3849 let relative_path = for_excerpt.buffer.resolve_file_path(include_root, cx);
3850 let (parent_path, filename) = if let Some(path) = &relative_path {
3851 if let Some(path_style) = path_style {
3852 let (dir, file_name) = path_style.split(path);
3853 (dir.map(|dir| dir.to_owned()), Some(file_name.to_owned()))
3854 } else {
3855 (None, Some(path.clone()))
3856 }
3857 } else {
3858 (None, None)
3859 };
3860 let focus_handle = editor.focus_handle(cx);
3861 let colors = cx.theme().colors();
3862
3863 let header = div()
3864 .p_1()
3865 .w_full()
3866 .h(FILE_HEADER_HEIGHT as f32 * window.line_height())
3867 .child(
3868 h_flex()
3869 .size_full()
3870 .gap_2()
3871 .flex_basis(Length::Definite(DefiniteLength::Fraction(0.667)))
3872 .pl_0p5()
3873 .pr_5()
3874 .rounded_sm()
3875 .when(is_sticky, |el| el.shadow_md())
3876 .border_1()
3877 .map(|div| {
3878 let border_color = if is_selected
3879 && is_folded
3880 && focus_handle.contains_focused(window, cx)
3881 {
3882 colors.border_focused
3883 } else {
3884 colors.border
3885 };
3886 div.border_color(border_color)
3887 })
3888 .bg(colors.editor_subheader_background)
3889 .hover(|style| style.bg(colors.element_hover))
3890 .map(|header| {
3891 let editor = self.editor.clone();
3892 let buffer_id = for_excerpt.buffer_id;
3893 let toggle_chevron_icon =
3894 FileIcons::get_chevron_icon(!is_folded, cx).map(Icon::from_path);
3895 header.child(
3896 div()
3897 .hover(|style| style.bg(colors.element_selected))
3898 .rounded_xs()
3899 .child(
3900 ButtonLike::new("toggle-buffer-fold")
3901 .style(ui::ButtonStyle::Transparent)
3902 .height(px(28.).into())
3903 .width(px(28.))
3904 .children(toggle_chevron_icon)
3905 .tooltip({
3906 let focus_handle = focus_handle.clone();
3907 move |window, cx| {
3908 Tooltip::with_meta_in(
3909 "Toggle Excerpt Fold",
3910 Some(&ToggleFold),
3911 format!(
3912 "{} to toggle all",
3913 text_for_keystroke(
3914 &Modifiers::alt(),
3915 "click",
3916 cx
3917 )
3918 ),
3919 &focus_handle,
3920 window,
3921 cx,
3922 )
3923 }
3924 })
3925 .on_click(move |event, window, cx| {
3926 if event.modifiers().alt {
3927 // Alt+click toggles all buffers
3928 editor.update(cx, |editor, cx| {
3929 editor.toggle_fold_all(
3930 &ToggleFoldAll,
3931 window,
3932 cx,
3933 );
3934 });
3935 } else {
3936 // Regular click toggles single buffer
3937 if is_folded {
3938 editor.update(cx, |editor, cx| {
3939 editor.unfold_buffer(buffer_id, cx);
3940 });
3941 } else {
3942 editor.update(cx, |editor, cx| {
3943 editor.fold_buffer(buffer_id, cx);
3944 });
3945 }
3946 }
3947 }),
3948 ),
3949 )
3950 })
3951 .children(
3952 editor
3953 .addons
3954 .values()
3955 .filter_map(|addon| {
3956 addon.render_buffer_header_controls(for_excerpt, window, cx)
3957 })
3958 .take(1),
3959 )
3960 .child(h_flex().size(px(12.0)).justify_center().children(indicator))
3961 .child(
3962 h_flex()
3963 .cursor_pointer()
3964 .id("path header block")
3965 .size_full()
3966 .justify_between()
3967 .overflow_hidden()
3968 .child(
3969 h_flex()
3970 .gap_2()
3971 .map(|path_header| {
3972 let filename = filename
3973 .map(SharedString::from)
3974 .unwrap_or_else(|| "untitled".into());
3975
3976 path_header
3977 .when(ItemSettings::get_global(cx).file_icons, |el| {
3978 let path = path::Path::new(filename.as_str());
3979 let icon = FileIcons::get_icon(path, cx)
3980 .unwrap_or_default();
3981 let icon =
3982 Icon::from_path(icon).color(Color::Muted);
3983 el.child(icon)
3984 })
3985 .child(Label::new(filename).single_line().when_some(
3986 file_status,
3987 |el, status| {
3988 el.color(if status.is_conflicted() {
3989 Color::Conflict
3990 } else if status.is_modified() {
3991 Color::Modified
3992 } else if status.is_deleted() {
3993 Color::Disabled
3994 } else {
3995 Color::Created
3996 })
3997 .when(status.is_deleted(), |el| {
3998 el.strikethrough()
3999 })
4000 },
4001 ))
4002 })
4003 .when_some(parent_path, |then, path| {
4004 then.child(div().child(path).text_color(
4005 if file_status.is_some_and(FileStatus::is_deleted) {
4006 colors.text_disabled
4007 } else {
4008 colors.text_muted
4009 },
4010 ))
4011 }),
4012 )
4013 .when(
4014 can_open_excerpts && is_selected && relative_path.is_some(),
4015 |el| {
4016 el.child(
4017 h_flex()
4018 .id("jump-to-file-button")
4019 .gap_2p5()
4020 .child(Label::new("Jump To File"))
4021 .children(
4022 KeyBinding::for_action_in(
4023 &OpenExcerpts,
4024 &focus_handle,
4025 window,
4026 cx,
4027 )
4028 .map(|binding| binding.into_any_element()),
4029 ),
4030 )
4031 },
4032 )
4033 .on_mouse_down(MouseButton::Left, |_, _, cx| cx.stop_propagation())
4034 .on_click(window.listener_for(&self.editor, {
4035 move |editor, e: &ClickEvent, window, cx| {
4036 editor.open_excerpts_common(
4037 Some(jump_data.clone()),
4038 e.modifiers().secondary(),
4039 window,
4040 cx,
4041 );
4042 }
4043 })),
4044 ),
4045 );
4046
4047 let file = for_excerpt.buffer.file().cloned();
4048 let editor = self.editor.clone();
4049 right_click_menu("buffer-header-context-menu")
4050 .trigger(move |_, _, _| header)
4051 .menu(move |window, cx| {
4052 let menu_context = focus_handle.clone();
4053 let editor = editor.clone();
4054 let file = file.clone();
4055 ContextMenu::build(window, cx, move |mut menu, window, cx| {
4056 if let Some(file) = file
4057 && let Some(project) = editor.read(cx).project()
4058 && let Some(worktree) =
4059 project.read(cx).worktree_for_id(file.worktree_id(cx), cx)
4060 {
4061 let path_style = file.path_style(cx);
4062 let worktree = worktree.read(cx);
4063 let relative_path = file.path();
4064 let entry_for_path = worktree.entry_for_path(relative_path);
4065 let abs_path = entry_for_path.map(|e| {
4066 e.canonical_path.as_deref().map_or_else(
4067 || worktree.absolutize(relative_path),
4068 Path::to_path_buf,
4069 )
4070 });
4071 let has_relative_path = worktree.root_entry().is_some_and(Entry::is_dir);
4072
4073 let parent_abs_path = abs_path
4074 .as_ref()
4075 .and_then(|abs_path| Some(abs_path.parent()?.to_path_buf()));
4076 let relative_path = has_relative_path
4077 .then_some(relative_path)
4078 .map(ToOwned::to_owned);
4079
4080 let visible_in_project_panel =
4081 relative_path.is_some() && worktree.is_visible();
4082 let reveal_in_project_panel = entry_for_path
4083 .filter(|_| visible_in_project_panel)
4084 .map(|entry| entry.id);
4085 menu = menu
4086 .when_some(abs_path, |menu, abs_path| {
4087 menu.entry(
4088 "Copy Path",
4089 Some(Box::new(zed_actions::workspace::CopyPath)),
4090 window.handler_for(&editor, move |_, _, cx| {
4091 cx.write_to_clipboard(ClipboardItem::new_string(
4092 abs_path.to_string_lossy().into_owned(),
4093 ));
4094 }),
4095 )
4096 })
4097 .when_some(relative_path, |menu, relative_path| {
4098 menu.entry(
4099 "Copy Relative Path",
4100 Some(Box::new(zed_actions::workspace::CopyRelativePath)),
4101 window.handler_for(&editor, move |_, _, cx| {
4102 cx.write_to_clipboard(ClipboardItem::new_string(
4103 relative_path.display(path_style).to_string(),
4104 ));
4105 }),
4106 )
4107 })
4108 .when(
4109 reveal_in_project_panel.is_some() || parent_abs_path.is_some(),
4110 |menu| menu.separator(),
4111 )
4112 .when_some(reveal_in_project_panel, |menu, entry_id| {
4113 menu.entry(
4114 "Reveal In Project Panel",
4115 Some(Box::new(RevealInProjectPanel::default())),
4116 window.handler_for(&editor, move |editor, _, cx| {
4117 if let Some(project) = &mut editor.project {
4118 project.update(cx, |_, cx| {
4119 cx.emit(project::Event::RevealInProjectPanel(
4120 entry_id,
4121 ))
4122 });
4123 }
4124 }),
4125 )
4126 })
4127 .when_some(parent_abs_path, |menu, parent_abs_path| {
4128 menu.entry(
4129 "Open in Terminal",
4130 Some(Box::new(OpenInTerminal)),
4131 window.handler_for(&editor, move |_, window, cx| {
4132 window.dispatch_action(
4133 OpenTerminal {
4134 working_directory: parent_abs_path.clone(),
4135 }
4136 .boxed_clone(),
4137 cx,
4138 );
4139 }),
4140 )
4141 });
4142 }
4143
4144 menu.context(menu_context)
4145 })
4146 })
4147 }
4148
4149 fn render_blocks(
4150 &self,
4151 rows: Range<DisplayRow>,
4152 snapshot: &EditorSnapshot,
4153 hitbox: &Hitbox,
4154 text_hitbox: &Hitbox,
4155 editor_width: Pixels,
4156 scroll_width: &mut Pixels,
4157 editor_margins: &EditorMargins,
4158 em_width: Pixels,
4159 text_x: Pixels,
4160 line_height: Pixels,
4161 line_layouts: &mut [LineWithInvisibles],
4162 selections: &[Selection<Point>],
4163 selected_buffer_ids: &Vec<BufferId>,
4164 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
4165 sticky_header_excerpt_id: Option<ExcerptId>,
4166 window: &mut Window,
4167 cx: &mut App,
4168 ) -> Result<(Vec<BlockLayout>, HashMap<DisplayRow, bool>), HashMap<CustomBlockId, u32>> {
4169 let (fixed_blocks, non_fixed_blocks) = snapshot
4170 .blocks_in_range(rows.clone())
4171 .partition::<Vec<_>, _>(|(_, block)| block.style() == BlockStyle::Fixed);
4172
4173 let mut focused_block = self
4174 .editor
4175 .update(cx, |editor, _| editor.take_focused_block());
4176 let mut fixed_block_max_width = Pixels::ZERO;
4177 let mut blocks = Vec::new();
4178 let mut resized_blocks = HashMap::default();
4179 let mut row_block_types = HashMap::default();
4180
4181 for (row, block) in fixed_blocks {
4182 let block_id = block.id();
4183
4184 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4185 focused_block = None;
4186 }
4187
4188 if let Some((element, element_size, row, x_offset)) = self.render_block(
4189 block,
4190 AvailableSpace::MinContent,
4191 block_id,
4192 row,
4193 snapshot,
4194 text_x,
4195 &rows,
4196 line_layouts,
4197 editor_margins,
4198 line_height,
4199 em_width,
4200 text_hitbox,
4201 editor_width,
4202 scroll_width,
4203 &mut resized_blocks,
4204 &mut row_block_types,
4205 selections,
4206 selected_buffer_ids,
4207 is_row_soft_wrapped,
4208 sticky_header_excerpt_id,
4209 window,
4210 cx,
4211 ) {
4212 fixed_block_max_width = fixed_block_max_width.max(element_size.width + em_width);
4213 blocks.push(BlockLayout {
4214 id: block_id,
4215 x_offset,
4216 row: Some(row),
4217 element,
4218 available_space: size(AvailableSpace::MinContent, element_size.height.into()),
4219 style: BlockStyle::Fixed,
4220 overlaps_gutter: true,
4221 is_buffer_header: block.is_buffer_header(),
4222 });
4223 }
4224 }
4225
4226 for (row, block) in non_fixed_blocks {
4227 let style = block.style();
4228 let width = match (style, block.place_near()) {
4229 (_, true) => AvailableSpace::MinContent,
4230 (BlockStyle::Sticky, _) => hitbox.size.width.into(),
4231 (BlockStyle::Flex, _) => hitbox
4232 .size
4233 .width
4234 .max(fixed_block_max_width)
4235 .max(editor_margins.gutter.width + *scroll_width)
4236 .into(),
4237 (BlockStyle::Fixed, _) => unreachable!(),
4238 };
4239 let block_id = block.id();
4240
4241 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4242 focused_block = None;
4243 }
4244
4245 if let Some((element, element_size, row, x_offset)) = self.render_block(
4246 block,
4247 width,
4248 block_id,
4249 row,
4250 snapshot,
4251 text_x,
4252 &rows,
4253 line_layouts,
4254 editor_margins,
4255 line_height,
4256 em_width,
4257 text_hitbox,
4258 editor_width,
4259 scroll_width,
4260 &mut resized_blocks,
4261 &mut row_block_types,
4262 selections,
4263 selected_buffer_ids,
4264 is_row_soft_wrapped,
4265 sticky_header_excerpt_id,
4266 window,
4267 cx,
4268 ) {
4269 blocks.push(BlockLayout {
4270 id: block_id,
4271 x_offset,
4272 row: Some(row),
4273 element,
4274 available_space: size(width, element_size.height.into()),
4275 style,
4276 overlaps_gutter: !block.place_near(),
4277 is_buffer_header: block.is_buffer_header(),
4278 });
4279 }
4280 }
4281
4282 if let Some(focused_block) = focused_block
4283 && let Some(focus_handle) = focused_block.focus_handle.upgrade()
4284 && focus_handle.is_focused(window)
4285 && let Some(block) = snapshot.block_for_id(focused_block.id)
4286 {
4287 let style = block.style();
4288 let width = match style {
4289 BlockStyle::Fixed => AvailableSpace::MinContent,
4290 BlockStyle::Flex => AvailableSpace::Definite(
4291 hitbox
4292 .size
4293 .width
4294 .max(fixed_block_max_width)
4295 .max(editor_margins.gutter.width + *scroll_width),
4296 ),
4297 BlockStyle::Sticky => AvailableSpace::Definite(hitbox.size.width),
4298 };
4299
4300 if let Some((element, element_size, _, x_offset)) = self.render_block(
4301 &block,
4302 width,
4303 focused_block.id,
4304 rows.end,
4305 snapshot,
4306 text_x,
4307 &rows,
4308 line_layouts,
4309 editor_margins,
4310 line_height,
4311 em_width,
4312 text_hitbox,
4313 editor_width,
4314 scroll_width,
4315 &mut resized_blocks,
4316 &mut row_block_types,
4317 selections,
4318 selected_buffer_ids,
4319 is_row_soft_wrapped,
4320 sticky_header_excerpt_id,
4321 window,
4322 cx,
4323 ) {
4324 blocks.push(BlockLayout {
4325 id: block.id(),
4326 x_offset,
4327 row: None,
4328 element,
4329 available_space: size(width, element_size.height.into()),
4330 style,
4331 overlaps_gutter: true,
4332 is_buffer_header: block.is_buffer_header(),
4333 });
4334 }
4335 }
4336
4337 if resized_blocks.is_empty() {
4338 *scroll_width =
4339 (*scroll_width).max(fixed_block_max_width - editor_margins.gutter.width);
4340 Ok((blocks, row_block_types))
4341 } else {
4342 Err(resized_blocks)
4343 }
4344 }
4345
4346 fn layout_blocks(
4347 &self,
4348 blocks: &mut Vec<BlockLayout>,
4349 hitbox: &Hitbox,
4350 line_height: Pixels,
4351 scroll_position: gpui::Point<ScrollOffset>,
4352 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4353 window: &mut Window,
4354 cx: &mut App,
4355 ) {
4356 for block in blocks {
4357 let mut origin = if let Some(row) = block.row {
4358 hitbox.origin
4359 + point(
4360 block.x_offset,
4361 Pixels::from(
4362 (row.as_f64() - scroll_position.y)
4363 * ScrollPixelOffset::from(line_height),
4364 ),
4365 )
4366 } else {
4367 // Position the block outside the visible area
4368 hitbox.origin + point(Pixels::ZERO, hitbox.size.height)
4369 };
4370
4371 if !matches!(block.style, BlockStyle::Sticky) {
4372 origin += point(Pixels::from(-scroll_pixel_position.x), Pixels::ZERO);
4373 }
4374
4375 let focus_handle =
4376 block
4377 .element
4378 .prepaint_as_root(origin, block.available_space, window, cx);
4379
4380 if let Some(focus_handle) = focus_handle {
4381 self.editor.update(cx, |editor, _cx| {
4382 editor.set_focused_block(FocusedBlock {
4383 id: block.id,
4384 focus_handle: focus_handle.downgrade(),
4385 });
4386 });
4387 }
4388 }
4389 }
4390
4391 fn layout_sticky_buffer_header(
4392 &self,
4393 StickyHeaderExcerpt { excerpt }: StickyHeaderExcerpt<'_>,
4394 scroll_position: gpui::Point<ScrollOffset>,
4395 line_height: Pixels,
4396 right_margin: Pixels,
4397 snapshot: &EditorSnapshot,
4398 hitbox: &Hitbox,
4399 selected_buffer_ids: &Vec<BufferId>,
4400 blocks: &[BlockLayout],
4401 window: &mut Window,
4402 cx: &mut App,
4403 ) -> AnyElement {
4404 let jump_data = header_jump_data(
4405 snapshot,
4406 DisplayRow(scroll_position.y as u32),
4407 FILE_HEADER_HEIGHT + MULTI_BUFFER_EXCERPT_HEADER_HEIGHT,
4408 excerpt,
4409 );
4410
4411 let editor_bg_color = cx.theme().colors().editor_background;
4412
4413 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
4414
4415 let available_width = hitbox.bounds.size.width - right_margin;
4416
4417 let mut header = v_flex()
4418 .w_full()
4419 .relative()
4420 .child(
4421 div()
4422 .w(available_width)
4423 .h(FILE_HEADER_HEIGHT as f32 * line_height)
4424 .bg(linear_gradient(
4425 0.,
4426 linear_color_stop(editor_bg_color.opacity(0.), 0.),
4427 linear_color_stop(editor_bg_color, 0.6),
4428 ))
4429 .absolute()
4430 .top_0(),
4431 )
4432 .child(
4433 self.render_buffer_header(excerpt, false, selected, true, jump_data, window, cx)
4434 .into_any_element(),
4435 )
4436 .into_any_element();
4437
4438 let mut origin = hitbox.origin;
4439 // Move floating header up to avoid colliding with the next buffer header.
4440 for block in blocks.iter() {
4441 if !block.is_buffer_header {
4442 continue;
4443 }
4444
4445 let Some(display_row) = block.row.filter(|row| row.0 > scroll_position.y as u32) else {
4446 continue;
4447 };
4448
4449 let max_row = display_row.0.saturating_sub(FILE_HEADER_HEIGHT);
4450 let offset = scroll_position.y - max_row as f64;
4451
4452 if offset > 0.0 {
4453 origin.y -= Pixels::from(offset * ScrollPixelOffset::from(line_height));
4454 }
4455 break;
4456 }
4457
4458 let size = size(
4459 AvailableSpace::Definite(available_width),
4460 AvailableSpace::MinContent,
4461 );
4462
4463 header.prepaint_as_root(origin, size, window, cx);
4464
4465 header
4466 }
4467
4468 fn layout_cursor_popovers(
4469 &self,
4470 line_height: Pixels,
4471 text_hitbox: &Hitbox,
4472 content_origin: gpui::Point<Pixels>,
4473 right_margin: Pixels,
4474 start_row: DisplayRow,
4475 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4476 line_layouts: &[LineWithInvisibles],
4477 cursor: DisplayPoint,
4478 cursor_point: Point,
4479 style: &EditorStyle,
4480 window: &mut Window,
4481 cx: &mut App,
4482 ) -> Option<ContextMenuLayout> {
4483 let mut min_menu_height = Pixels::ZERO;
4484 let mut max_menu_height = Pixels::ZERO;
4485 let mut height_above_menu = Pixels::ZERO;
4486 let height_below_menu = Pixels::ZERO;
4487 let mut edit_prediction_popover_visible = false;
4488 let mut context_menu_visible = false;
4489 let context_menu_placement;
4490
4491 {
4492 let editor = self.editor.read(cx);
4493 if editor.edit_prediction_visible_in_cursor_popover(editor.has_active_edit_prediction())
4494 {
4495 height_above_menu +=
4496 editor.edit_prediction_cursor_popover_height() + POPOVER_Y_PADDING;
4497 edit_prediction_popover_visible = true;
4498 }
4499
4500 if editor.context_menu_visible()
4501 && let Some(crate::ContextMenuOrigin::Cursor) = editor.context_menu_origin()
4502 {
4503 let (min_height_in_lines, max_height_in_lines) = editor
4504 .context_menu_options
4505 .as_ref()
4506 .map_or((3, 12), |options| {
4507 (options.min_entries_visible, options.max_entries_visible)
4508 });
4509
4510 min_menu_height += line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4511 max_menu_height += line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4512 context_menu_visible = true;
4513 }
4514 context_menu_placement = editor
4515 .context_menu_options
4516 .as_ref()
4517 .and_then(|options| options.placement.clone());
4518 }
4519
4520 let visible = edit_prediction_popover_visible || context_menu_visible;
4521 if !visible {
4522 return None;
4523 }
4524
4525 let cursor_row_layout = &line_layouts[cursor.row().minus(start_row) as usize];
4526 let target_position = content_origin
4527 + gpui::Point {
4528 x: cmp::max(
4529 px(0.),
4530 Pixels::from(
4531 ScrollPixelOffset::from(
4532 cursor_row_layout.x_for_index(cursor.column() as usize),
4533 ) - scroll_pixel_position.x,
4534 ),
4535 ),
4536 y: cmp::max(
4537 px(0.),
4538 Pixels::from(
4539 cursor.row().next_row().as_f64() * ScrollPixelOffset::from(line_height)
4540 - scroll_pixel_position.y,
4541 ),
4542 ),
4543 };
4544
4545 let viewport_bounds =
4546 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4547 right: -right_margin - MENU_GAP,
4548 ..Default::default()
4549 });
4550
4551 let min_height = height_above_menu + min_menu_height + height_below_menu;
4552 let max_height = height_above_menu + max_menu_height + height_below_menu;
4553 let (laid_out_popovers, y_flipped) = self.layout_popovers_above_or_below_line(
4554 target_position,
4555 line_height,
4556 min_height,
4557 max_height,
4558 context_menu_placement,
4559 text_hitbox,
4560 viewport_bounds,
4561 window,
4562 cx,
4563 |height, max_width_for_stable_x, y_flipped, window, cx| {
4564 // First layout the menu to get its size - others can be at least this wide.
4565 let context_menu = if context_menu_visible {
4566 let menu_height = if y_flipped {
4567 height - height_below_menu
4568 } else {
4569 height - height_above_menu
4570 };
4571 let mut element = self
4572 .render_context_menu(line_height, menu_height, window, cx)
4573 .expect("Visible context menu should always render.");
4574 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4575 Some((CursorPopoverType::CodeContextMenu, element, size))
4576 } else {
4577 None
4578 };
4579 let min_width = context_menu
4580 .as_ref()
4581 .map_or(px(0.), |(_, _, size)| size.width);
4582 let max_width = max_width_for_stable_x.max(
4583 context_menu
4584 .as_ref()
4585 .map_or(px(0.), |(_, _, size)| size.width),
4586 );
4587
4588 let edit_prediction = if edit_prediction_popover_visible {
4589 self.editor.update(cx, move |editor, cx| {
4590 let accept_binding =
4591 editor.accept_edit_prediction_keybind(false, window, cx);
4592 let mut element = editor.render_edit_prediction_cursor_popover(
4593 min_width,
4594 max_width,
4595 cursor_point,
4596 style,
4597 accept_binding.keystroke(),
4598 window,
4599 cx,
4600 )?;
4601 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4602 Some((CursorPopoverType::EditPrediction, element, size))
4603 })
4604 } else {
4605 None
4606 };
4607 vec![edit_prediction, context_menu]
4608 .into_iter()
4609 .flatten()
4610 .collect::<Vec<_>>()
4611 },
4612 )?;
4613
4614 let (menu_ix, (_, menu_bounds)) = laid_out_popovers
4615 .iter()
4616 .find_position(|(x, _)| matches!(x, CursorPopoverType::CodeContextMenu))?;
4617 let last_ix = laid_out_popovers.len() - 1;
4618 let menu_is_last = menu_ix == last_ix;
4619 let first_popover_bounds = laid_out_popovers[0].1;
4620 let last_popover_bounds = laid_out_popovers[last_ix].1;
4621
4622 // Bounds to layout the aside around. When y_flipped, the aside goes either above or to the
4623 // right, and otherwise it goes below or to the right.
4624 let mut target_bounds = Bounds::from_corners(
4625 first_popover_bounds.origin,
4626 last_popover_bounds.bottom_right(),
4627 );
4628 target_bounds.size.width = menu_bounds.size.width;
4629
4630 // Like `target_bounds`, but with the max height it could occupy. Choosing an aside position
4631 // based on this is preferred for layout stability.
4632 let mut max_target_bounds = target_bounds;
4633 max_target_bounds.size.height = max_height;
4634 if y_flipped {
4635 max_target_bounds.origin.y -= max_height - target_bounds.size.height;
4636 }
4637
4638 // Add spacing around `target_bounds` and `max_target_bounds`.
4639 let mut extend_amount = Edges::all(MENU_GAP);
4640 if y_flipped {
4641 extend_amount.bottom = line_height;
4642 } else {
4643 extend_amount.top = line_height;
4644 }
4645 let target_bounds = target_bounds.extend(extend_amount);
4646 let max_target_bounds = max_target_bounds.extend(extend_amount);
4647
4648 let must_place_above_or_below =
4649 if y_flipped && !menu_is_last && menu_bounds.size.height < max_menu_height {
4650 laid_out_popovers[menu_ix + 1..]
4651 .iter()
4652 .any(|(_, popover_bounds)| popover_bounds.size.width > menu_bounds.size.width)
4653 } else {
4654 false
4655 };
4656
4657 let aside_bounds = self.layout_context_menu_aside(
4658 y_flipped,
4659 *menu_bounds,
4660 target_bounds,
4661 max_target_bounds,
4662 max_menu_height,
4663 must_place_above_or_below,
4664 text_hitbox,
4665 viewport_bounds,
4666 window,
4667 cx,
4668 );
4669
4670 if let Some(menu_bounds) = laid_out_popovers.iter().find_map(|(popover_type, bounds)| {
4671 if matches!(popover_type, CursorPopoverType::CodeContextMenu) {
4672 Some(*bounds)
4673 } else {
4674 None
4675 }
4676 }) {
4677 let bounds = if let Some(aside_bounds) = aside_bounds {
4678 menu_bounds.union(&aside_bounds)
4679 } else {
4680 menu_bounds
4681 };
4682 return Some(ContextMenuLayout { y_flipped, bounds });
4683 }
4684
4685 None
4686 }
4687
4688 fn layout_gutter_menu(
4689 &self,
4690 line_height: Pixels,
4691 text_hitbox: &Hitbox,
4692 content_origin: gpui::Point<Pixels>,
4693 right_margin: Pixels,
4694 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4695 gutter_overshoot: Pixels,
4696 window: &mut Window,
4697 cx: &mut App,
4698 ) {
4699 let editor = self.editor.read(cx);
4700 if !editor.context_menu_visible() {
4701 return;
4702 }
4703 let Some(crate::ContextMenuOrigin::GutterIndicator(gutter_row)) =
4704 editor.context_menu_origin()
4705 else {
4706 return;
4707 };
4708 // Context menu was spawned via a click on a gutter. Ensure it's a bit closer to the
4709 // indicator than just a plain first column of the text field.
4710 let target_position = content_origin
4711 + gpui::Point {
4712 x: -gutter_overshoot,
4713 y: Pixels::from(
4714 gutter_row.next_row().as_f64() * ScrollPixelOffset::from(line_height)
4715 - scroll_pixel_position.y,
4716 ),
4717 };
4718
4719 let (min_height_in_lines, max_height_in_lines) = editor
4720 .context_menu_options
4721 .as_ref()
4722 .map_or((3, 12), |options| {
4723 (options.min_entries_visible, options.max_entries_visible)
4724 });
4725
4726 let min_height = line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4727 let max_height = line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4728 let viewport_bounds =
4729 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4730 right: -right_margin - MENU_GAP,
4731 ..Default::default()
4732 });
4733 self.layout_popovers_above_or_below_line(
4734 target_position,
4735 line_height,
4736 min_height,
4737 max_height,
4738 editor
4739 .context_menu_options
4740 .as_ref()
4741 .and_then(|options| options.placement.clone()),
4742 text_hitbox,
4743 viewport_bounds,
4744 window,
4745 cx,
4746 move |height, _max_width_for_stable_x, _, window, cx| {
4747 let mut element = self
4748 .render_context_menu(line_height, height, window, cx)
4749 .expect("Visible context menu should always render.");
4750 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4751 vec![(CursorPopoverType::CodeContextMenu, element, size)]
4752 },
4753 );
4754 }
4755
4756 fn layout_popovers_above_or_below_line(
4757 &self,
4758 target_position: gpui::Point<Pixels>,
4759 line_height: Pixels,
4760 min_height: Pixels,
4761 max_height: Pixels,
4762 placement: Option<ContextMenuPlacement>,
4763 text_hitbox: &Hitbox,
4764 viewport_bounds: Bounds<Pixels>,
4765 window: &mut Window,
4766 cx: &mut App,
4767 make_sized_popovers: impl FnOnce(
4768 Pixels,
4769 Pixels,
4770 bool,
4771 &mut Window,
4772 &mut App,
4773 ) -> Vec<(CursorPopoverType, AnyElement, Size<Pixels>)>,
4774 ) -> Option<(Vec<(CursorPopoverType, Bounds<Pixels>)>, bool)> {
4775 let text_style = TextStyleRefinement {
4776 line_height: Some(DefiniteLength::Fraction(
4777 BufferLineHeight::Comfortable.value(),
4778 )),
4779 ..Default::default()
4780 };
4781 window.with_text_style(Some(text_style), |window| {
4782 // If the max height won't fit below and there is more space above, put it above the line.
4783 let bottom_y_when_flipped = target_position.y - line_height;
4784 let available_above = bottom_y_when_flipped - text_hitbox.top();
4785 let available_below = text_hitbox.bottom() - target_position.y;
4786 let y_overflows_below = max_height > available_below;
4787 let mut y_flipped = match placement {
4788 Some(ContextMenuPlacement::Above) => true,
4789 Some(ContextMenuPlacement::Below) => false,
4790 None => y_overflows_below && available_above > available_below,
4791 };
4792 let mut height = cmp::min(
4793 max_height,
4794 if y_flipped {
4795 available_above
4796 } else {
4797 available_below
4798 },
4799 );
4800
4801 // If the min height doesn't fit within text bounds, instead fit within the window.
4802 if height < min_height {
4803 let available_above = bottom_y_when_flipped;
4804 let available_below = viewport_bounds.bottom() - target_position.y;
4805 let (y_flipped_override, height_override) = match placement {
4806 Some(ContextMenuPlacement::Above) => {
4807 (true, cmp::min(available_above, min_height))
4808 }
4809 Some(ContextMenuPlacement::Below) => {
4810 (false, cmp::min(available_below, min_height))
4811 }
4812 None => {
4813 if available_below > min_height {
4814 (false, min_height)
4815 } else if available_above > min_height {
4816 (true, min_height)
4817 } else if available_above > available_below {
4818 (true, available_above)
4819 } else {
4820 (false, available_below)
4821 }
4822 }
4823 };
4824 y_flipped = y_flipped_override;
4825 height = height_override;
4826 }
4827
4828 let max_width_for_stable_x = viewport_bounds.right() - target_position.x;
4829
4830 // TODO: Use viewport_bounds.width as a max width so that it doesn't get clipped on the left
4831 // for very narrow windows.
4832 let popovers =
4833 make_sized_popovers(height, max_width_for_stable_x, y_flipped, window, cx);
4834 if popovers.is_empty() {
4835 return None;
4836 }
4837
4838 let max_width = popovers
4839 .iter()
4840 .map(|(_, _, size)| size.width)
4841 .max()
4842 .unwrap_or_default();
4843
4844 let mut current_position = gpui::Point {
4845 // Snap the right edge of the list to the right edge of the window if its horizontal bounds
4846 // overflow. Include space for the scrollbar.
4847 x: target_position
4848 .x
4849 .min((viewport_bounds.right() - max_width).max(Pixels::ZERO)),
4850 y: if y_flipped {
4851 bottom_y_when_flipped
4852 } else {
4853 target_position.y
4854 },
4855 };
4856
4857 let mut laid_out_popovers = popovers
4858 .into_iter()
4859 .map(|(popover_type, element, size)| {
4860 if y_flipped {
4861 current_position.y -= size.height;
4862 }
4863 let position = current_position;
4864 window.defer_draw(element, current_position, 1);
4865 if !y_flipped {
4866 current_position.y += size.height + MENU_GAP;
4867 } else {
4868 current_position.y -= MENU_GAP;
4869 }
4870 (popover_type, Bounds::new(position, size))
4871 })
4872 .collect::<Vec<_>>();
4873
4874 if y_flipped {
4875 laid_out_popovers.reverse();
4876 }
4877
4878 Some((laid_out_popovers, y_flipped))
4879 })
4880 }
4881
4882 fn layout_context_menu_aside(
4883 &self,
4884 y_flipped: bool,
4885 menu_bounds: Bounds<Pixels>,
4886 target_bounds: Bounds<Pixels>,
4887 max_target_bounds: Bounds<Pixels>,
4888 max_height: Pixels,
4889 must_place_above_or_below: bool,
4890 text_hitbox: &Hitbox,
4891 viewport_bounds: Bounds<Pixels>,
4892 window: &mut Window,
4893 cx: &mut App,
4894 ) -> Option<Bounds<Pixels>> {
4895 let available_within_viewport = target_bounds.space_within(&viewport_bounds);
4896 let positioned_aside = if available_within_viewport.right >= MENU_ASIDE_MIN_WIDTH
4897 && !must_place_above_or_below
4898 {
4899 let max_width = cmp::min(
4900 available_within_viewport.right - px(1.),
4901 MENU_ASIDE_MAX_WIDTH,
4902 );
4903 let mut aside = self.render_context_menu_aside(
4904 size(max_width, max_height - POPOVER_Y_PADDING),
4905 window,
4906 cx,
4907 )?;
4908 let size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4909 let right_position = point(target_bounds.right(), menu_bounds.origin.y);
4910 Some((aside, right_position, size))
4911 } else {
4912 let max_size = size(
4913 // TODO(mgsloan): Once the menu is bounded by viewport width the bound on viewport
4914 // won't be needed here.
4915 cmp::min(
4916 cmp::max(menu_bounds.size.width - px(2.), MENU_ASIDE_MIN_WIDTH),
4917 viewport_bounds.right(),
4918 ),
4919 cmp::min(
4920 max_height,
4921 cmp::max(
4922 available_within_viewport.top,
4923 available_within_viewport.bottom,
4924 ),
4925 ) - POPOVER_Y_PADDING,
4926 );
4927 let mut aside = self.render_context_menu_aside(max_size, window, cx)?;
4928 let actual_size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4929
4930 let top_position = point(
4931 menu_bounds.origin.x,
4932 target_bounds.top() - actual_size.height,
4933 );
4934 let bottom_position = point(menu_bounds.origin.x, target_bounds.bottom());
4935
4936 let fit_within = |available: Edges<Pixels>, wanted: Size<Pixels>| {
4937 // Prefer to fit on the same side of the line as the menu, then on the other side of
4938 // the line.
4939 if !y_flipped && wanted.height < available.bottom {
4940 Some(bottom_position)
4941 } else if !y_flipped && wanted.height < available.top {
4942 Some(top_position)
4943 } else if y_flipped && wanted.height < available.top {
4944 Some(top_position)
4945 } else if y_flipped && wanted.height < available.bottom {
4946 Some(bottom_position)
4947 } else {
4948 None
4949 }
4950 };
4951
4952 // Prefer choosing a direction using max sizes rather than actual size for stability.
4953 let available_within_text = max_target_bounds.space_within(&text_hitbox.bounds);
4954 let wanted = size(MENU_ASIDE_MAX_WIDTH, max_height);
4955 let aside_position = fit_within(available_within_text, wanted)
4956 // Fallback: fit max size in window.
4957 .or_else(|| fit_within(max_target_bounds.space_within(&viewport_bounds), wanted))
4958 // Fallback: fit actual size in window.
4959 .or_else(|| fit_within(available_within_viewport, actual_size));
4960
4961 aside_position.map(|position| (aside, position, actual_size))
4962 };
4963
4964 // Skip drawing if it doesn't fit anywhere.
4965 if let Some((aside, position, size)) = positioned_aside {
4966 let aside_bounds = Bounds::new(position, size);
4967 window.defer_draw(aside, position, 2);
4968 return Some(aside_bounds);
4969 }
4970
4971 None
4972 }
4973
4974 fn render_context_menu(
4975 &self,
4976 line_height: Pixels,
4977 height: Pixels,
4978 window: &mut Window,
4979 cx: &mut App,
4980 ) -> Option<AnyElement> {
4981 let max_height_in_lines = ((height - POPOVER_Y_PADDING) / line_height).floor() as u32;
4982 self.editor.update(cx, |editor, cx| {
4983 editor.render_context_menu(&self.style, max_height_in_lines, window, cx)
4984 })
4985 }
4986
4987 fn render_context_menu_aside(
4988 &self,
4989 max_size: Size<Pixels>,
4990 window: &mut Window,
4991 cx: &mut App,
4992 ) -> Option<AnyElement> {
4993 if max_size.width < px(100.) || max_size.height < px(12.) {
4994 None
4995 } else {
4996 self.editor.update(cx, |editor, cx| {
4997 editor.render_context_menu_aside(max_size, window, cx)
4998 })
4999 }
5000 }
5001
5002 fn layout_mouse_context_menu(
5003 &self,
5004 editor_snapshot: &EditorSnapshot,
5005 visible_range: Range<DisplayRow>,
5006 content_origin: gpui::Point<Pixels>,
5007 window: &mut Window,
5008 cx: &mut App,
5009 ) -> Option<AnyElement> {
5010 let position = self.editor.update(cx, |editor, _cx| {
5011 let visible_start_point = editor.display_to_pixel_point(
5012 DisplayPoint::new(visible_range.start, 0),
5013 editor_snapshot,
5014 window,
5015 )?;
5016 let visible_end_point = editor.display_to_pixel_point(
5017 DisplayPoint::new(visible_range.end, 0),
5018 editor_snapshot,
5019 window,
5020 )?;
5021
5022 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
5023 let (source_display_point, position) = match mouse_context_menu.position {
5024 MenuPosition::PinnedToScreen(point) => (None, point),
5025 MenuPosition::PinnedToEditor { source, offset } => {
5026 let source_display_point = source.to_display_point(editor_snapshot);
5027 let source_point = editor.to_pixel_point(source, editor_snapshot, window)?;
5028 let position = content_origin + source_point + offset;
5029 (Some(source_display_point), position)
5030 }
5031 };
5032
5033 let source_included = source_display_point.is_none_or(|source_display_point| {
5034 visible_range
5035 .to_inclusive()
5036 .contains(&source_display_point.row())
5037 });
5038 let position_included =
5039 visible_start_point.y <= position.y && position.y <= visible_end_point.y;
5040 if !source_included && !position_included {
5041 None
5042 } else {
5043 Some(position)
5044 }
5045 })?;
5046
5047 let text_style = TextStyleRefinement {
5048 line_height: Some(DefiniteLength::Fraction(
5049 BufferLineHeight::Comfortable.value(),
5050 )),
5051 ..Default::default()
5052 };
5053 window.with_text_style(Some(text_style), |window| {
5054 let mut element = self.editor.read_with(cx, |editor, _| {
5055 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
5056 let context_menu = mouse_context_menu.context_menu.clone();
5057
5058 Some(
5059 deferred(
5060 anchored()
5061 .position(position)
5062 .child(context_menu)
5063 .anchor(Corner::TopLeft)
5064 .snap_to_window_with_margin(px(8.)),
5065 )
5066 .with_priority(1)
5067 .into_any(),
5068 )
5069 })?;
5070
5071 element.prepaint_as_root(position, AvailableSpace::min_size(), window, cx);
5072 Some(element)
5073 })
5074 }
5075
5076 fn layout_hover_popovers(
5077 &self,
5078 snapshot: &EditorSnapshot,
5079 hitbox: &Hitbox,
5080 visible_display_row_range: Range<DisplayRow>,
5081 content_origin: gpui::Point<Pixels>,
5082 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5083 line_layouts: &[LineWithInvisibles],
5084 line_height: Pixels,
5085 em_width: Pixels,
5086 context_menu_layout: Option<ContextMenuLayout>,
5087 window: &mut Window,
5088 cx: &mut App,
5089 ) {
5090 struct MeasuredHoverPopover {
5091 element: AnyElement,
5092 size: Size<Pixels>,
5093 horizontal_offset: Pixels,
5094 }
5095
5096 let max_size = size(
5097 (120. * em_width) // Default size
5098 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5099 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5100 (16. * line_height) // Default size
5101 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5102 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5103 );
5104
5105 let hover_popovers = self.editor.update(cx, |editor, cx| {
5106 editor.hover_state.render(
5107 snapshot,
5108 visible_display_row_range.clone(),
5109 max_size,
5110 window,
5111 cx,
5112 )
5113 });
5114 let Some((position, hover_popovers)) = hover_popovers else {
5115 return;
5116 };
5117
5118 // This is safe because we check on layout whether the required row is available
5119 let hovered_row_layout =
5120 &line_layouts[position.row().minus(visible_display_row_range.start) as usize];
5121
5122 // Compute Hovered Point
5123 let x = hovered_row_layout.x_for_index(position.column() as usize)
5124 - Pixels::from(scroll_pixel_position.x);
5125 let y = Pixels::from(
5126 position.row().as_f64() * ScrollPixelOffset::from(line_height)
5127 - scroll_pixel_position.y,
5128 );
5129 let hovered_point = content_origin + point(x, y);
5130
5131 let mut overall_height = Pixels::ZERO;
5132 let mut measured_hover_popovers = Vec::new();
5133 for (position, mut hover_popover) in hover_popovers.into_iter().with_position() {
5134 let size = hover_popover.layout_as_root(AvailableSpace::min_size(), window, cx);
5135 let horizontal_offset =
5136 (hitbox.top_right().x - POPOVER_RIGHT_OFFSET - (hovered_point.x + size.width))
5137 .min(Pixels::ZERO);
5138 match position {
5139 itertools::Position::Middle | itertools::Position::Last => {
5140 overall_height += HOVER_POPOVER_GAP
5141 }
5142 _ => {}
5143 }
5144 overall_height += size.height;
5145 measured_hover_popovers.push(MeasuredHoverPopover {
5146 element: hover_popover,
5147 size,
5148 horizontal_offset,
5149 });
5150 }
5151
5152 fn draw_occluder(
5153 width: Pixels,
5154 origin: gpui::Point<Pixels>,
5155 window: &mut Window,
5156 cx: &mut App,
5157 ) {
5158 let mut occlusion = div()
5159 .size_full()
5160 .occlude()
5161 .on_mouse_move(|_, _, cx| cx.stop_propagation())
5162 .into_any_element();
5163 occlusion.layout_as_root(size(width, HOVER_POPOVER_GAP).into(), window, cx);
5164 window.defer_draw(occlusion, origin, 2);
5165 }
5166
5167 fn place_popovers_above(
5168 hovered_point: gpui::Point<Pixels>,
5169 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5170 window: &mut Window,
5171 cx: &mut App,
5172 ) {
5173 let mut current_y = hovered_point.y;
5174 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5175 let size = popover.size;
5176 let popover_origin = point(
5177 hovered_point.x + popover.horizontal_offset,
5178 current_y - size.height,
5179 );
5180
5181 window.defer_draw(popover.element, popover_origin, 2);
5182 if position != itertools::Position::Last {
5183 let origin = point(popover_origin.x, popover_origin.y - HOVER_POPOVER_GAP);
5184 draw_occluder(size.width, origin, window, cx);
5185 }
5186
5187 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5188 }
5189 }
5190
5191 fn place_popovers_below(
5192 hovered_point: gpui::Point<Pixels>,
5193 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5194 line_height: Pixels,
5195 window: &mut Window,
5196 cx: &mut App,
5197 ) {
5198 let mut current_y = hovered_point.y + line_height;
5199 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5200 let size = popover.size;
5201 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5202
5203 window.defer_draw(popover.element, popover_origin, 2);
5204 if position != itertools::Position::Last {
5205 let origin = point(popover_origin.x, popover_origin.y + size.height);
5206 draw_occluder(size.width, origin, window, cx);
5207 }
5208
5209 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5210 }
5211 }
5212
5213 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5214 context_menu_layout
5215 .as_ref()
5216 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5217 };
5218
5219 let can_place_above = {
5220 let mut bounds_above = Vec::new();
5221 let mut current_y = hovered_point.y;
5222 for popover in &measured_hover_popovers {
5223 let size = popover.size;
5224 let popover_origin = point(
5225 hovered_point.x + popover.horizontal_offset,
5226 current_y - size.height,
5227 );
5228 bounds_above.push(Bounds::new(popover_origin, size));
5229 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5230 }
5231 bounds_above
5232 .iter()
5233 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5234 };
5235
5236 let can_place_below = || {
5237 let mut bounds_below = Vec::new();
5238 let mut current_y = hovered_point.y + line_height;
5239 for popover in &measured_hover_popovers {
5240 let size = popover.size;
5241 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5242 bounds_below.push(Bounds::new(popover_origin, size));
5243 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5244 }
5245 bounds_below
5246 .iter()
5247 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5248 };
5249
5250 if can_place_above {
5251 // try placing above hovered point
5252 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5253 } else if can_place_below() {
5254 // try placing below hovered point
5255 place_popovers_below(
5256 hovered_point,
5257 measured_hover_popovers,
5258 line_height,
5259 window,
5260 cx,
5261 );
5262 } else {
5263 // try to place popovers around the context menu
5264 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5265 let total_width = measured_hover_popovers
5266 .iter()
5267 .map(|p| p.size.width)
5268 .max()
5269 .unwrap_or(Pixels::ZERO);
5270 let y_for_horizontal_positioning = if menu.y_flipped {
5271 menu.bounds.bottom() - overall_height
5272 } else {
5273 menu.bounds.top()
5274 };
5275 let possible_origins = vec![
5276 // left of context menu
5277 point(
5278 menu.bounds.left() - total_width - HOVER_POPOVER_GAP,
5279 y_for_horizontal_positioning,
5280 ),
5281 // right of context menu
5282 point(
5283 menu.bounds.right() + HOVER_POPOVER_GAP,
5284 y_for_horizontal_positioning,
5285 ),
5286 // top of context menu
5287 point(
5288 menu.bounds.left(),
5289 menu.bounds.top() - overall_height - HOVER_POPOVER_GAP,
5290 ),
5291 // bottom of context menu
5292 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5293 ];
5294 possible_origins.into_iter().find(|&origin| {
5295 Bounds::new(origin, size(total_width, overall_height))
5296 .is_contained_within(hitbox)
5297 })
5298 });
5299 if let Some(origin) = origin_surrounding_menu {
5300 let mut current_y = origin.y;
5301 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5302 let size = popover.size;
5303 let popover_origin = point(origin.x, current_y);
5304
5305 window.defer_draw(popover.element, popover_origin, 2);
5306 if position != itertools::Position::Last {
5307 let origin = point(popover_origin.x, popover_origin.y + size.height);
5308 draw_occluder(size.width, origin, window, cx);
5309 }
5310
5311 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5312 }
5313 } else {
5314 // fallback to existing above/below cursor logic
5315 // this might overlap menu or overflow in rare case
5316 if can_place_above {
5317 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5318 } else {
5319 place_popovers_below(
5320 hovered_point,
5321 measured_hover_popovers,
5322 line_height,
5323 window,
5324 cx,
5325 );
5326 }
5327 }
5328 }
5329 }
5330
5331 fn layout_diff_hunk_controls(
5332 &self,
5333 row_range: Range<DisplayRow>,
5334 row_infos: &[RowInfo],
5335 text_hitbox: &Hitbox,
5336 newest_cursor_position: Option<DisplayPoint>,
5337 line_height: Pixels,
5338 right_margin: Pixels,
5339 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5340 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
5341 highlighted_rows: &BTreeMap<DisplayRow, LineHighlight>,
5342 editor: Entity<Editor>,
5343 window: &mut Window,
5344 cx: &mut App,
5345 ) -> (Vec<AnyElement>, Vec<(DisplayRow, Bounds<Pixels>)>) {
5346 let render_diff_hunk_controls = editor.read(cx).render_diff_hunk_controls.clone();
5347 let hovered_diff_hunk_row = editor.read(cx).hovered_diff_hunk_row;
5348
5349 let mut controls = vec![];
5350 let mut control_bounds = vec![];
5351
5352 let active_positions = [
5353 hovered_diff_hunk_row.map(|row| DisplayPoint::new(row, 0)),
5354 newest_cursor_position,
5355 ];
5356
5357 for (hunk, _) in display_hunks {
5358 if let DisplayDiffHunk::Unfolded {
5359 display_row_range,
5360 multi_buffer_range,
5361 status,
5362 is_created_file,
5363 ..
5364 } = &hunk
5365 {
5366 if display_row_range.start < row_range.start
5367 || display_row_range.start >= row_range.end
5368 {
5369 continue;
5370 }
5371 if highlighted_rows
5372 .get(&display_row_range.start)
5373 .and_then(|highlight| highlight.type_id)
5374 .is_some_and(|type_id| {
5375 [
5376 TypeId::of::<ConflictsOuter>(),
5377 TypeId::of::<ConflictsOursMarker>(),
5378 TypeId::of::<ConflictsOurs>(),
5379 TypeId::of::<ConflictsTheirs>(),
5380 TypeId::of::<ConflictsTheirsMarker>(),
5381 ]
5382 .contains(&type_id)
5383 })
5384 {
5385 continue;
5386 }
5387 let row_ix = (display_row_range.start - row_range.start).0 as usize;
5388 if row_infos[row_ix].diff_status.is_none() {
5389 continue;
5390 }
5391 if row_infos[row_ix]
5392 .diff_status
5393 .is_some_and(|status| status.is_added())
5394 && !status.is_added()
5395 {
5396 continue;
5397 }
5398
5399 if active_positions
5400 .iter()
5401 .any(|p| p.is_some_and(|p| display_row_range.contains(&p.row())))
5402 {
5403 let y = (display_row_range.start.as_f64()
5404 * ScrollPixelOffset::from(line_height)
5405 + ScrollPixelOffset::from(text_hitbox.bounds.top())
5406 - scroll_pixel_position.y)
5407 .into();
5408
5409 let mut element = render_diff_hunk_controls(
5410 display_row_range.start.0,
5411 status,
5412 multi_buffer_range.clone(),
5413 *is_created_file,
5414 line_height,
5415 &editor,
5416 window,
5417 cx,
5418 );
5419 let size =
5420 element.layout_as_root(size(px(100.0), line_height).into(), window, cx);
5421
5422 let x = text_hitbox.bounds.right() - right_margin - px(10.) - size.width;
5423
5424 let bounds = Bounds::new(gpui::Point::new(x, y), size);
5425 control_bounds.push((display_row_range.start, bounds));
5426
5427 window.with_absolute_element_offset(gpui::Point::new(x, y), |window| {
5428 element.prepaint(window, cx)
5429 });
5430 controls.push(element);
5431 }
5432 }
5433 }
5434
5435 (controls, control_bounds)
5436 }
5437
5438 fn layout_signature_help(
5439 &self,
5440 hitbox: &Hitbox,
5441 content_origin: gpui::Point<Pixels>,
5442 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5443 newest_selection_head: Option<DisplayPoint>,
5444 start_row: DisplayRow,
5445 line_layouts: &[LineWithInvisibles],
5446 line_height: Pixels,
5447 em_width: Pixels,
5448 context_menu_layout: Option<ContextMenuLayout>,
5449 window: &mut Window,
5450 cx: &mut App,
5451 ) {
5452 if !self.editor.focus_handle(cx).is_focused(window) {
5453 return;
5454 }
5455 let Some(newest_selection_head) = newest_selection_head else {
5456 return;
5457 };
5458
5459 let max_size = size(
5460 (120. * em_width) // Default size
5461 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5462 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5463 (16. * line_height) // Default size
5464 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5465 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5466 );
5467
5468 let maybe_element = self.editor.update(cx, |editor, cx| {
5469 if let Some(popover) = editor.signature_help_state.popover_mut() {
5470 let element = popover.render(max_size, window, cx);
5471 Some(element)
5472 } else {
5473 None
5474 }
5475 });
5476 let Some(mut element) = maybe_element else {
5477 return;
5478 };
5479
5480 let selection_row = newest_selection_head.row();
5481 let Some(cursor_row_layout) = (selection_row >= start_row)
5482 .then(|| line_layouts.get(selection_row.minus(start_row) as usize))
5483 .flatten()
5484 else {
5485 return;
5486 };
5487
5488 let target_x = cursor_row_layout.x_for_index(newest_selection_head.column() as usize)
5489 - Pixels::from(scroll_pixel_position.x);
5490 let target_y = Pixels::from(
5491 selection_row.as_f64() * ScrollPixelOffset::from(line_height) - scroll_pixel_position.y,
5492 );
5493 let target_point = content_origin + point(target_x, target_y);
5494
5495 let actual_size = element.layout_as_root(Size::<AvailableSpace>::default(), window, cx);
5496
5497 let (popover_bounds_above, popover_bounds_below) = {
5498 let horizontal_offset = (hitbox.top_right().x
5499 - POPOVER_RIGHT_OFFSET
5500 - (target_point.x + actual_size.width))
5501 .min(Pixels::ZERO);
5502 let initial_x = target_point.x + horizontal_offset;
5503 (
5504 Bounds::new(
5505 point(initial_x, target_point.y - actual_size.height),
5506 actual_size,
5507 ),
5508 Bounds::new(
5509 point(initial_x, target_point.y + line_height + HOVER_POPOVER_GAP),
5510 actual_size,
5511 ),
5512 )
5513 };
5514
5515 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5516 context_menu_layout
5517 .as_ref()
5518 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5519 };
5520
5521 let final_origin = if popover_bounds_above.is_contained_within(hitbox)
5522 && !intersects_menu(popover_bounds_above)
5523 {
5524 // try placing above cursor
5525 popover_bounds_above.origin
5526 } else if popover_bounds_below.is_contained_within(hitbox)
5527 && !intersects_menu(popover_bounds_below)
5528 {
5529 // try placing below cursor
5530 popover_bounds_below.origin
5531 } else {
5532 // try surrounding context menu if exists
5533 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5534 let y_for_horizontal_positioning = if menu.y_flipped {
5535 menu.bounds.bottom() - actual_size.height
5536 } else {
5537 menu.bounds.top()
5538 };
5539 let possible_origins = vec![
5540 // left of context menu
5541 point(
5542 menu.bounds.left() - actual_size.width - HOVER_POPOVER_GAP,
5543 y_for_horizontal_positioning,
5544 ),
5545 // right of context menu
5546 point(
5547 menu.bounds.right() + HOVER_POPOVER_GAP,
5548 y_for_horizontal_positioning,
5549 ),
5550 // top of context menu
5551 point(
5552 menu.bounds.left(),
5553 menu.bounds.top() - actual_size.height - HOVER_POPOVER_GAP,
5554 ),
5555 // bottom of context menu
5556 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5557 ];
5558 possible_origins
5559 .into_iter()
5560 .find(|&origin| Bounds::new(origin, actual_size).is_contained_within(hitbox))
5561 });
5562 origin_surrounding_menu.unwrap_or_else(|| {
5563 // fallback to existing above/below cursor logic
5564 // this might overlap menu or overflow in rare case
5565 if popover_bounds_above.is_contained_within(hitbox) {
5566 popover_bounds_above.origin
5567 } else {
5568 popover_bounds_below.origin
5569 }
5570 })
5571 };
5572
5573 window.defer_draw(element, final_origin, 2);
5574 }
5575
5576 fn paint_background(&self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
5577 window.paint_layer(layout.hitbox.bounds, |window| {
5578 let scroll_top = layout.position_map.snapshot.scroll_position().y;
5579 let gutter_bg = cx.theme().colors().editor_gutter_background;
5580 window.paint_quad(fill(layout.gutter_hitbox.bounds, gutter_bg));
5581 window.paint_quad(fill(
5582 layout.position_map.text_hitbox.bounds,
5583 self.style.background,
5584 ));
5585
5586 if matches!(
5587 layout.mode,
5588 EditorMode::Full { .. } | EditorMode::Minimap { .. }
5589 ) {
5590 let show_active_line_background = match layout.mode {
5591 EditorMode::Full {
5592 show_active_line_background,
5593 ..
5594 } => show_active_line_background,
5595 EditorMode::Minimap { .. } => true,
5596 _ => false,
5597 };
5598 let mut active_rows = layout.active_rows.iter().peekable();
5599 while let Some((start_row, contains_non_empty_selection)) = active_rows.next() {
5600 let mut end_row = start_row.0;
5601 while active_rows
5602 .peek()
5603 .is_some_and(|(active_row, has_selection)| {
5604 active_row.0 == end_row + 1
5605 && has_selection.selection == contains_non_empty_selection.selection
5606 })
5607 {
5608 active_rows.next().unwrap();
5609 end_row += 1;
5610 }
5611
5612 if show_active_line_background && !contains_non_empty_selection.selection {
5613 let highlight_h_range =
5614 match layout.position_map.snapshot.current_line_highlight {
5615 CurrentLineHighlight::Gutter => Some(Range {
5616 start: layout.hitbox.left(),
5617 end: layout.gutter_hitbox.right(),
5618 }),
5619 CurrentLineHighlight::Line => Some(Range {
5620 start: layout.position_map.text_hitbox.bounds.left(),
5621 end: layout.position_map.text_hitbox.bounds.right(),
5622 }),
5623 CurrentLineHighlight::All => Some(Range {
5624 start: layout.hitbox.left(),
5625 end: layout.hitbox.right(),
5626 }),
5627 CurrentLineHighlight::None => None,
5628 };
5629 if let Some(range) = highlight_h_range {
5630 let active_line_bg = cx.theme().colors().editor_active_line_background;
5631 let bounds = Bounds {
5632 origin: point(
5633 range.start,
5634 layout.hitbox.origin.y
5635 + Pixels::from(
5636 (start_row.as_f64() - scroll_top)
5637 * ScrollPixelOffset::from(
5638 layout.position_map.line_height,
5639 ),
5640 ),
5641 ),
5642 size: size(
5643 range.end - range.start,
5644 layout.position_map.line_height
5645 * (end_row - start_row.0 + 1) as f32,
5646 ),
5647 };
5648 window.paint_quad(fill(bounds, active_line_bg));
5649 }
5650 }
5651 }
5652
5653 let mut paint_highlight = |highlight_row_start: DisplayRow,
5654 highlight_row_end: DisplayRow,
5655 highlight: crate::LineHighlight,
5656 edges| {
5657 let mut origin_x = layout.hitbox.left();
5658 let mut width = layout.hitbox.size.width;
5659 if !highlight.include_gutter {
5660 origin_x += layout.gutter_hitbox.size.width;
5661 width -= layout.gutter_hitbox.size.width;
5662 }
5663
5664 let origin = point(
5665 origin_x,
5666 layout.hitbox.origin.y
5667 + Pixels::from(
5668 (highlight_row_start.as_f64() - scroll_top)
5669 * ScrollPixelOffset::from(layout.position_map.line_height),
5670 ),
5671 );
5672 let size = size(
5673 width,
5674 layout.position_map.line_height
5675 * highlight_row_end.next_row().minus(highlight_row_start) as f32,
5676 );
5677 let mut quad = fill(Bounds { origin, size }, highlight.background);
5678 if let Some(border_color) = highlight.border {
5679 quad.border_color = border_color;
5680 quad.border_widths = edges
5681 }
5682 window.paint_quad(quad);
5683 };
5684
5685 let mut current_paint: Option<(LineHighlight, Range<DisplayRow>, Edges<Pixels>)> =
5686 None;
5687 for (&new_row, &new_background) in &layout.highlighted_rows {
5688 match &mut current_paint {
5689 &mut Some((current_background, ref mut current_range, mut edges)) => {
5690 let new_range_started = current_background != new_background
5691 || current_range.end.next_row() != new_row;
5692 if new_range_started {
5693 if current_range.end.next_row() == new_row {
5694 edges.bottom = px(0.);
5695 };
5696 paint_highlight(
5697 current_range.start,
5698 current_range.end,
5699 current_background,
5700 edges,
5701 );
5702 let edges = Edges {
5703 top: if current_range.end.next_row() != new_row {
5704 px(1.)
5705 } else {
5706 px(0.)
5707 },
5708 bottom: px(1.),
5709 ..Default::default()
5710 };
5711 current_paint = Some((new_background, new_row..new_row, edges));
5712 continue;
5713 } else {
5714 current_range.end = current_range.end.next_row();
5715 }
5716 }
5717 None => {
5718 let edges = Edges {
5719 top: px(1.),
5720 bottom: px(1.),
5721 ..Default::default()
5722 };
5723 current_paint = Some((new_background, new_row..new_row, edges))
5724 }
5725 };
5726 }
5727 if let Some((color, range, edges)) = current_paint {
5728 paint_highlight(range.start, range.end, color, edges);
5729 }
5730
5731 for (guide_x, active) in layout.wrap_guides.iter() {
5732 let color = if *active {
5733 cx.theme().colors().editor_active_wrap_guide
5734 } else {
5735 cx.theme().colors().editor_wrap_guide
5736 };
5737 window.paint_quad(fill(
5738 Bounds {
5739 origin: point(*guide_x, layout.position_map.text_hitbox.origin.y),
5740 size: size(px(1.), layout.position_map.text_hitbox.size.height),
5741 },
5742 color,
5743 ));
5744 }
5745 }
5746 })
5747 }
5748
5749 fn paint_indent_guides(
5750 &mut self,
5751 layout: &mut EditorLayout,
5752 window: &mut Window,
5753 cx: &mut App,
5754 ) {
5755 let Some(indent_guides) = &layout.indent_guides else {
5756 return;
5757 };
5758
5759 let faded_color = |color: Hsla, alpha: f32| {
5760 let mut faded = color;
5761 faded.a = alpha;
5762 faded
5763 };
5764
5765 for indent_guide in indent_guides {
5766 let indent_accent_colors = cx.theme().accents().color_for_index(indent_guide.depth);
5767 let settings = &indent_guide.settings;
5768
5769 // TODO fixed for now, expose them through themes later
5770 const INDENT_AWARE_ALPHA: f32 = 0.2;
5771 const INDENT_AWARE_ACTIVE_ALPHA: f32 = 0.4;
5772 const INDENT_AWARE_BACKGROUND_ALPHA: f32 = 0.1;
5773 const INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA: f32 = 0.2;
5774
5775 let line_color = match (settings.coloring, indent_guide.active) {
5776 (IndentGuideColoring::Disabled, _) => None,
5777 (IndentGuideColoring::Fixed, false) => {
5778 Some(cx.theme().colors().editor_indent_guide)
5779 }
5780 (IndentGuideColoring::Fixed, true) => {
5781 Some(cx.theme().colors().editor_indent_guide_active)
5782 }
5783 (IndentGuideColoring::IndentAware, false) => {
5784 Some(faded_color(indent_accent_colors, INDENT_AWARE_ALPHA))
5785 }
5786 (IndentGuideColoring::IndentAware, true) => {
5787 Some(faded_color(indent_accent_colors, INDENT_AWARE_ACTIVE_ALPHA))
5788 }
5789 };
5790
5791 let background_color = match (settings.background_coloring, indent_guide.active) {
5792 (IndentGuideBackgroundColoring::Disabled, _) => None,
5793 (IndentGuideBackgroundColoring::IndentAware, false) => Some(faded_color(
5794 indent_accent_colors,
5795 INDENT_AWARE_BACKGROUND_ALPHA,
5796 )),
5797 (IndentGuideBackgroundColoring::IndentAware, true) => Some(faded_color(
5798 indent_accent_colors,
5799 INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA,
5800 )),
5801 };
5802
5803 let requested_line_width = if indent_guide.active {
5804 settings.active_line_width
5805 } else {
5806 settings.line_width
5807 }
5808 .clamp(1, 10);
5809 let mut line_indicator_width = 0.;
5810 if let Some(color) = line_color {
5811 window.paint_quad(fill(
5812 Bounds {
5813 origin: indent_guide.origin,
5814 size: size(px(requested_line_width as f32), indent_guide.length),
5815 },
5816 color,
5817 ));
5818 line_indicator_width = requested_line_width as f32;
5819 }
5820
5821 if let Some(color) = background_color {
5822 let width = indent_guide.single_indent_width - px(line_indicator_width);
5823 window.paint_quad(fill(
5824 Bounds {
5825 origin: point(
5826 indent_guide.origin.x + px(line_indicator_width),
5827 indent_guide.origin.y,
5828 ),
5829 size: size(width, indent_guide.length),
5830 },
5831 color,
5832 ));
5833 }
5834 }
5835 }
5836
5837 fn paint_line_numbers(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5838 let is_singleton = self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
5839
5840 let line_height = layout.position_map.line_height;
5841 window.set_cursor_style(CursorStyle::Arrow, &layout.gutter_hitbox);
5842
5843 for LineNumberLayout {
5844 shaped_line,
5845 hitbox,
5846 } in layout.line_numbers.values()
5847 {
5848 let Some(hitbox) = hitbox else {
5849 continue;
5850 };
5851
5852 let Some(()) = (if !is_singleton && hitbox.is_hovered(window) {
5853 let color = cx.theme().colors().editor_hover_line_number;
5854
5855 let line = self.shape_line_number(shaped_line.text.clone(), color, window);
5856 line.paint(hitbox.origin, line_height, window, cx).log_err()
5857 } else {
5858 shaped_line
5859 .paint(hitbox.origin, line_height, window, cx)
5860 .log_err()
5861 }) else {
5862 continue;
5863 };
5864
5865 // In singleton buffers, we select corresponding lines on the line number click, so use | -like cursor.
5866 // In multi buffers, we open file at the line number clicked, so use a pointing hand cursor.
5867 if is_singleton {
5868 window.set_cursor_style(CursorStyle::IBeam, hitbox);
5869 } else {
5870 window.set_cursor_style(CursorStyle::PointingHand, hitbox);
5871 }
5872 }
5873 }
5874
5875 fn paint_gutter_diff_hunks(layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5876 if layout.display_hunks.is_empty() {
5877 return;
5878 }
5879
5880 let line_height = layout.position_map.line_height;
5881 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5882 for (hunk, hitbox) in &layout.display_hunks {
5883 let hunk_to_paint = match hunk {
5884 DisplayDiffHunk::Folded { .. } => {
5885 let hunk_bounds = Self::diff_hunk_bounds(
5886 &layout.position_map.snapshot,
5887 line_height,
5888 layout.gutter_hitbox.bounds,
5889 hunk,
5890 );
5891 Some((
5892 hunk_bounds,
5893 cx.theme().colors().version_control_modified,
5894 Corners::all(px(0.)),
5895 DiffHunkStatus::modified_none(),
5896 ))
5897 }
5898 DisplayDiffHunk::Unfolded {
5899 status,
5900 display_row_range,
5901 ..
5902 } => hitbox.as_ref().map(|hunk_hitbox| match status.kind {
5903 DiffHunkStatusKind::Added => (
5904 hunk_hitbox.bounds,
5905 cx.theme().colors().version_control_added,
5906 Corners::all(px(0.)),
5907 *status,
5908 ),
5909 DiffHunkStatusKind::Modified => (
5910 hunk_hitbox.bounds,
5911 cx.theme().colors().version_control_modified,
5912 Corners::all(px(0.)),
5913 *status,
5914 ),
5915 DiffHunkStatusKind::Deleted if !display_row_range.is_empty() => (
5916 hunk_hitbox.bounds,
5917 cx.theme().colors().version_control_deleted,
5918 Corners::all(px(0.)),
5919 *status,
5920 ),
5921 DiffHunkStatusKind::Deleted => (
5922 Bounds::new(
5923 point(
5924 hunk_hitbox.origin.x - hunk_hitbox.size.width,
5925 hunk_hitbox.origin.y,
5926 ),
5927 size(hunk_hitbox.size.width * 2., hunk_hitbox.size.height),
5928 ),
5929 cx.theme().colors().version_control_deleted,
5930 Corners::all(1. * line_height),
5931 *status,
5932 ),
5933 }),
5934 };
5935
5936 if let Some((hunk_bounds, background_color, corner_radii, status)) = hunk_to_paint {
5937 // Flatten the background color with the editor color to prevent
5938 // elements below transparent hunks from showing through
5939 let flattened_background_color = cx
5940 .theme()
5941 .colors()
5942 .editor_background
5943 .blend(background_color);
5944
5945 if !Self::diff_hunk_hollow(status, cx) {
5946 window.paint_quad(quad(
5947 hunk_bounds,
5948 corner_radii,
5949 flattened_background_color,
5950 Edges::default(),
5951 transparent_black(),
5952 BorderStyle::default(),
5953 ));
5954 } else {
5955 let flattened_unstaged_background_color = cx
5956 .theme()
5957 .colors()
5958 .editor_background
5959 .blend(background_color.opacity(0.3));
5960
5961 window.paint_quad(quad(
5962 hunk_bounds,
5963 corner_radii,
5964 flattened_unstaged_background_color,
5965 Edges::all(px(1.0)),
5966 flattened_background_color,
5967 BorderStyle::Solid,
5968 ));
5969 }
5970 }
5971 }
5972 });
5973 }
5974
5975 fn gutter_strip_width(line_height: Pixels) -> Pixels {
5976 (0.275 * line_height).floor()
5977 }
5978
5979 fn diff_hunk_bounds(
5980 snapshot: &EditorSnapshot,
5981 line_height: Pixels,
5982 gutter_bounds: Bounds<Pixels>,
5983 hunk: &DisplayDiffHunk,
5984 ) -> Bounds<Pixels> {
5985 let scroll_position = snapshot.scroll_position();
5986 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
5987 let gutter_strip_width = Self::gutter_strip_width(line_height);
5988
5989 match hunk {
5990 DisplayDiffHunk::Folded { display_row, .. } => {
5991 let start_y = (display_row.as_f64() * ScrollPixelOffset::from(line_height)
5992 - scroll_top)
5993 .into();
5994 let end_y = start_y + line_height;
5995 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
5996 let highlight_size = size(gutter_strip_width, end_y - start_y);
5997 Bounds::new(highlight_origin, highlight_size)
5998 }
5999 DisplayDiffHunk::Unfolded {
6000 display_row_range,
6001 status,
6002 ..
6003 } => {
6004 if status.is_deleted() && display_row_range.is_empty() {
6005 let row = display_row_range.start;
6006
6007 let offset = ScrollPixelOffset::from(line_height / 2.);
6008 let start_y =
6009 (row.as_f64() * ScrollPixelOffset::from(line_height) - offset - scroll_top)
6010 .into();
6011 let end_y = start_y + line_height;
6012
6013 let width = (0.35 * line_height).floor();
6014 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6015 let highlight_size = size(width, end_y - start_y);
6016 Bounds::new(highlight_origin, highlight_size)
6017 } else {
6018 let start_row = display_row_range.start;
6019 let end_row = display_row_range.end;
6020 // If we're in a multibuffer, row range span might include an
6021 // excerpt header, so if we were to draw the marker straight away,
6022 // the hunk might include the rows of that header.
6023 // Making the range inclusive doesn't quite cut it, as we rely on the exclusivity for the soft wrap.
6024 // Instead, we simply check whether the range we're dealing with includes
6025 // any excerpt headers and if so, we stop painting the diff hunk on the first row of that header.
6026 let end_row_in_current_excerpt = snapshot
6027 .blocks_in_range(start_row..end_row)
6028 .find_map(|(start_row, block)| {
6029 if matches!(
6030 block,
6031 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
6032 ) {
6033 Some(start_row)
6034 } else {
6035 None
6036 }
6037 })
6038 .unwrap_or(end_row);
6039
6040 let start_y = (start_row.as_f64() * ScrollPixelOffset::from(line_height)
6041 - scroll_top)
6042 .into();
6043 let end_y = Pixels::from(
6044 end_row_in_current_excerpt.as_f64() * ScrollPixelOffset::from(line_height)
6045 - scroll_top,
6046 );
6047
6048 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6049 let highlight_size = size(gutter_strip_width, end_y - start_y);
6050 Bounds::new(highlight_origin, highlight_size)
6051 }
6052 }
6053 }
6054 }
6055
6056 fn paint_gutter_indicators(
6057 &self,
6058 layout: &mut EditorLayout,
6059 window: &mut Window,
6060 cx: &mut App,
6061 ) {
6062 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6063 window.with_element_namespace("crease_toggles", |window| {
6064 for crease_toggle in layout.crease_toggles.iter_mut().flatten() {
6065 crease_toggle.paint(window, cx);
6066 }
6067 });
6068
6069 window.with_element_namespace("expand_toggles", |window| {
6070 for (expand_toggle, _) in layout.expand_toggles.iter_mut().flatten() {
6071 expand_toggle.paint(window, cx);
6072 }
6073 });
6074
6075 for breakpoint in layout.breakpoints.iter_mut() {
6076 breakpoint.paint(window, cx);
6077 }
6078
6079 for test_indicator in layout.test_indicators.iter_mut() {
6080 test_indicator.paint(window, cx);
6081 }
6082 });
6083 }
6084
6085 fn paint_gutter_highlights(
6086 &self,
6087 layout: &mut EditorLayout,
6088 window: &mut Window,
6089 cx: &mut App,
6090 ) {
6091 for (_, hunk_hitbox) in &layout.display_hunks {
6092 if let Some(hunk_hitbox) = hunk_hitbox
6093 && !self
6094 .editor
6095 .read(cx)
6096 .buffer()
6097 .read(cx)
6098 .all_diff_hunks_expanded()
6099 {
6100 window.set_cursor_style(CursorStyle::PointingHand, hunk_hitbox);
6101 }
6102 }
6103
6104 let show_git_gutter = layout
6105 .position_map
6106 .snapshot
6107 .show_git_diff_gutter
6108 .unwrap_or_else(|| {
6109 matches!(
6110 ProjectSettings::get_global(cx).git.git_gutter,
6111 GitGutterSetting::TrackedFiles
6112 )
6113 });
6114 if show_git_gutter {
6115 Self::paint_gutter_diff_hunks(layout, window, cx)
6116 }
6117
6118 let highlight_width = 0.275 * layout.position_map.line_height;
6119 let highlight_corner_radii = Corners::all(0.05 * layout.position_map.line_height);
6120 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6121 for (range, color) in &layout.highlighted_gutter_ranges {
6122 let start_row = if range.start.row() < layout.visible_display_row_range.start {
6123 layout.visible_display_row_range.start - DisplayRow(1)
6124 } else {
6125 range.start.row()
6126 };
6127 let end_row = if range.end.row() > layout.visible_display_row_range.end {
6128 layout.visible_display_row_range.end + DisplayRow(1)
6129 } else {
6130 range.end.row()
6131 };
6132
6133 let start_y = layout.gutter_hitbox.top()
6134 + Pixels::from(
6135 start_row.0 as f64
6136 * ScrollPixelOffset::from(layout.position_map.line_height)
6137 - layout.position_map.scroll_pixel_position.y,
6138 );
6139 let end_y = layout.gutter_hitbox.top()
6140 + Pixels::from(
6141 (end_row.0 + 1) as f64
6142 * ScrollPixelOffset::from(layout.position_map.line_height)
6143 - layout.position_map.scroll_pixel_position.y,
6144 );
6145 let bounds = Bounds::from_corners(
6146 point(layout.gutter_hitbox.left(), start_y),
6147 point(layout.gutter_hitbox.left() + highlight_width, end_y),
6148 );
6149 window.paint_quad(fill(bounds, *color).corner_radii(highlight_corner_radii));
6150 }
6151 });
6152 }
6153
6154 fn paint_blamed_display_rows(
6155 &self,
6156 layout: &mut EditorLayout,
6157 window: &mut Window,
6158 cx: &mut App,
6159 ) {
6160 let Some(blamed_display_rows) = layout.blamed_display_rows.take() else {
6161 return;
6162 };
6163
6164 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6165 for mut blame_element in blamed_display_rows.into_iter() {
6166 blame_element.paint(window, cx);
6167 }
6168 })
6169 }
6170
6171 fn paint_text(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6172 window.with_content_mask(
6173 Some(ContentMask {
6174 bounds: layout.position_map.text_hitbox.bounds,
6175 }),
6176 |window| {
6177 let editor = self.editor.read(cx);
6178 if editor.mouse_cursor_hidden {
6179 window.set_window_cursor_style(CursorStyle::None);
6180 } else if let SelectionDragState::ReadyToDrag {
6181 mouse_down_time, ..
6182 } = &editor.selection_drag_state
6183 {
6184 let drag_and_drop_delay = Duration::from_millis(
6185 EditorSettings::get_global(cx).drag_and_drop_selection.delay,
6186 );
6187 if mouse_down_time.elapsed() >= drag_and_drop_delay {
6188 window.set_cursor_style(
6189 CursorStyle::DragCopy,
6190 &layout.position_map.text_hitbox,
6191 );
6192 }
6193 } else if matches!(
6194 editor.selection_drag_state,
6195 SelectionDragState::Dragging { .. }
6196 ) {
6197 window
6198 .set_cursor_style(CursorStyle::DragCopy, &layout.position_map.text_hitbox);
6199 } else if editor
6200 .hovered_link_state
6201 .as_ref()
6202 .is_some_and(|hovered_link_state| !hovered_link_state.links.is_empty())
6203 {
6204 window.set_cursor_style(
6205 CursorStyle::PointingHand,
6206 &layout.position_map.text_hitbox,
6207 );
6208 } else {
6209 window.set_cursor_style(CursorStyle::IBeam, &layout.position_map.text_hitbox);
6210 };
6211
6212 self.paint_lines_background(layout, window, cx);
6213 let invisible_display_ranges = self.paint_highlights(layout, window, cx);
6214 self.paint_document_colors(layout, window);
6215 self.paint_lines(&invisible_display_ranges, layout, window, cx);
6216 self.paint_redactions(layout, window);
6217 self.paint_cursors(layout, window, cx);
6218 self.paint_inline_diagnostics(layout, window, cx);
6219 self.paint_inline_blame(layout, window, cx);
6220 self.paint_inline_code_actions(layout, window, cx);
6221 self.paint_diff_hunk_controls(layout, window, cx);
6222 window.with_element_namespace("crease_trailers", |window| {
6223 for trailer in layout.crease_trailers.iter_mut().flatten() {
6224 trailer.element.paint(window, cx);
6225 }
6226 });
6227 },
6228 )
6229 }
6230
6231 fn paint_highlights(
6232 &mut self,
6233 layout: &mut EditorLayout,
6234 window: &mut Window,
6235 cx: &mut App,
6236 ) -> SmallVec<[Range<DisplayPoint>; 32]> {
6237 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6238 let mut invisible_display_ranges = SmallVec::<[Range<DisplayPoint>; 32]>::new();
6239 let line_end_overshoot = 0.15 * layout.position_map.line_height;
6240 for (range, color) in &layout.highlighted_ranges {
6241 self.paint_highlighted_range(
6242 range.clone(),
6243 true,
6244 *color,
6245 Pixels::ZERO,
6246 line_end_overshoot,
6247 layout,
6248 window,
6249 );
6250 }
6251
6252 let corner_radius = if EditorSettings::get_global(cx).rounded_selection {
6253 0.15 * layout.position_map.line_height
6254 } else {
6255 Pixels::ZERO
6256 };
6257
6258 for (player_color, selections) in &layout.selections {
6259 for selection in selections.iter() {
6260 self.paint_highlighted_range(
6261 selection.range.clone(),
6262 true,
6263 player_color.selection,
6264 corner_radius,
6265 corner_radius * 2.,
6266 layout,
6267 window,
6268 );
6269
6270 if selection.is_local && !selection.range.is_empty() {
6271 invisible_display_ranges.push(selection.range.clone());
6272 }
6273 }
6274 }
6275 invisible_display_ranges
6276 })
6277 }
6278
6279 fn paint_lines(
6280 &mut self,
6281 invisible_display_ranges: &[Range<DisplayPoint>],
6282 layout: &mut EditorLayout,
6283 window: &mut Window,
6284 cx: &mut App,
6285 ) {
6286 let whitespace_setting = self
6287 .editor
6288 .read(cx)
6289 .buffer
6290 .read(cx)
6291 .language_settings(cx)
6292 .show_whitespaces;
6293
6294 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6295 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6296 line_with_invisibles.draw(
6297 layout,
6298 row,
6299 layout.content_origin,
6300 whitespace_setting,
6301 invisible_display_ranges,
6302 window,
6303 cx,
6304 )
6305 }
6306
6307 for line_element in &mut layout.line_elements {
6308 line_element.paint(window, cx);
6309 }
6310 }
6311
6312 fn paint_lines_background(
6313 &mut self,
6314 layout: &mut EditorLayout,
6315 window: &mut Window,
6316 cx: &mut App,
6317 ) {
6318 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6319 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6320 line_with_invisibles.draw_background(layout, row, layout.content_origin, window, cx);
6321 }
6322 }
6323
6324 fn paint_redactions(&mut self, layout: &EditorLayout, window: &mut Window) {
6325 if layout.redacted_ranges.is_empty() {
6326 return;
6327 }
6328
6329 let line_end_overshoot = layout.line_end_overshoot();
6330
6331 // A softer than perfect black
6332 let redaction_color = gpui::rgb(0x0e1111);
6333
6334 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6335 for range in layout.redacted_ranges.iter() {
6336 self.paint_highlighted_range(
6337 range.clone(),
6338 true,
6339 redaction_color.into(),
6340 Pixels::ZERO,
6341 line_end_overshoot,
6342 layout,
6343 window,
6344 );
6345 }
6346 });
6347 }
6348
6349 fn paint_document_colors(&self, layout: &mut EditorLayout, window: &mut Window) {
6350 let Some((colors_render_mode, image_colors)) = &layout.document_colors else {
6351 return;
6352 };
6353 if image_colors.is_empty()
6354 || colors_render_mode == &DocumentColorsRenderMode::None
6355 || colors_render_mode == &DocumentColorsRenderMode::Inlay
6356 {
6357 return;
6358 }
6359
6360 let line_end_overshoot = layout.line_end_overshoot();
6361
6362 for (range, color) in image_colors {
6363 match colors_render_mode {
6364 DocumentColorsRenderMode::Inlay | DocumentColorsRenderMode::None => return,
6365 DocumentColorsRenderMode::Background => {
6366 self.paint_highlighted_range(
6367 range.clone(),
6368 true,
6369 *color,
6370 Pixels::ZERO,
6371 line_end_overshoot,
6372 layout,
6373 window,
6374 );
6375 }
6376 DocumentColorsRenderMode::Border => {
6377 self.paint_highlighted_range(
6378 range.clone(),
6379 false,
6380 *color,
6381 Pixels::ZERO,
6382 line_end_overshoot,
6383 layout,
6384 window,
6385 );
6386 }
6387 }
6388 }
6389 }
6390
6391 fn paint_cursors(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6392 for cursor in &mut layout.visible_cursors {
6393 cursor.paint(layout.content_origin, window, cx);
6394 }
6395 }
6396
6397 fn paint_scrollbars(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6398 let Some(scrollbars_layout) = layout.scrollbars_layout.take() else {
6399 return;
6400 };
6401 let any_scrollbar_dragged = self.editor.read(cx).scroll_manager.any_scrollbar_dragged();
6402
6403 for (scrollbar_layout, axis) in scrollbars_layout.iter_scrollbars() {
6404 let hitbox = &scrollbar_layout.hitbox;
6405 if scrollbars_layout.visible {
6406 let scrollbar_edges = match axis {
6407 ScrollbarAxis::Horizontal => Edges {
6408 top: Pixels::ZERO,
6409 right: Pixels::ZERO,
6410 bottom: Pixels::ZERO,
6411 left: Pixels::ZERO,
6412 },
6413 ScrollbarAxis::Vertical => Edges {
6414 top: Pixels::ZERO,
6415 right: Pixels::ZERO,
6416 bottom: Pixels::ZERO,
6417 left: ScrollbarLayout::BORDER_WIDTH,
6418 },
6419 };
6420
6421 window.paint_layer(hitbox.bounds, |window| {
6422 window.paint_quad(quad(
6423 hitbox.bounds,
6424 Corners::default(),
6425 cx.theme().colors().scrollbar_track_background,
6426 scrollbar_edges,
6427 cx.theme().colors().scrollbar_track_border,
6428 BorderStyle::Solid,
6429 ));
6430
6431 if axis == ScrollbarAxis::Vertical {
6432 let fast_markers =
6433 self.collect_fast_scrollbar_markers(layout, scrollbar_layout, cx);
6434 // Refresh slow scrollbar markers in the background. Below, we
6435 // paint whatever markers have already been computed.
6436 self.refresh_slow_scrollbar_markers(layout, scrollbar_layout, window, cx);
6437
6438 let markers = self.editor.read(cx).scrollbar_marker_state.markers.clone();
6439 for marker in markers.iter().chain(&fast_markers) {
6440 let mut marker = marker.clone();
6441 marker.bounds.origin += hitbox.origin;
6442 window.paint_quad(marker);
6443 }
6444 }
6445
6446 if let Some(thumb_bounds) = scrollbar_layout.thumb_bounds {
6447 let scrollbar_thumb_color = match scrollbar_layout.thumb_state {
6448 ScrollbarThumbState::Dragging => {
6449 cx.theme().colors().scrollbar_thumb_active_background
6450 }
6451 ScrollbarThumbState::Hovered => {
6452 cx.theme().colors().scrollbar_thumb_hover_background
6453 }
6454 ScrollbarThumbState::Idle => {
6455 cx.theme().colors().scrollbar_thumb_background
6456 }
6457 };
6458 window.paint_quad(quad(
6459 thumb_bounds,
6460 Corners::default(),
6461 scrollbar_thumb_color,
6462 scrollbar_edges,
6463 cx.theme().colors().scrollbar_thumb_border,
6464 BorderStyle::Solid,
6465 ));
6466
6467 if any_scrollbar_dragged {
6468 window.set_window_cursor_style(CursorStyle::Arrow);
6469 } else {
6470 window.set_cursor_style(CursorStyle::Arrow, hitbox);
6471 }
6472 }
6473 })
6474 }
6475 }
6476
6477 window.on_mouse_event({
6478 let editor = self.editor.clone();
6479 let scrollbars_layout = scrollbars_layout.clone();
6480
6481 let mut mouse_position = window.mouse_position();
6482 move |event: &MouseMoveEvent, phase, window, cx| {
6483 if phase == DispatchPhase::Capture {
6484 return;
6485 }
6486
6487 editor.update(cx, |editor, cx| {
6488 if let Some((scrollbar_layout, axis)) = event
6489 .pressed_button
6490 .filter(|button| *button == MouseButton::Left)
6491 .and(editor.scroll_manager.dragging_scrollbar_axis())
6492 .and_then(|axis| {
6493 scrollbars_layout
6494 .iter_scrollbars()
6495 .find(|(_, a)| *a == axis)
6496 })
6497 {
6498 let ScrollbarLayout {
6499 hitbox,
6500 text_unit_size,
6501 ..
6502 } = scrollbar_layout;
6503
6504 let old_position = mouse_position.along(axis);
6505 let new_position = event.position.along(axis);
6506 if (hitbox.origin.along(axis)..hitbox.bottom_right().along(axis))
6507 .contains(&old_position)
6508 {
6509 let position = editor.scroll_position(cx).apply_along(axis, |p| {
6510 (p + ScrollOffset::from(
6511 (new_position - old_position) / *text_unit_size,
6512 ))
6513 .max(0.)
6514 });
6515 editor.set_scroll_position(position, window, cx);
6516 }
6517
6518 editor.scroll_manager.show_scrollbars(window, cx);
6519 cx.stop_propagation();
6520 } else if let Some((layout, axis)) = scrollbars_layout
6521 .get_hovered_axis(window)
6522 .filter(|_| !event.dragging())
6523 {
6524 if layout.thumb_hovered(&event.position) {
6525 editor
6526 .scroll_manager
6527 .set_hovered_scroll_thumb_axis(axis, cx);
6528 } else {
6529 editor.scroll_manager.reset_scrollbar_state(cx);
6530 }
6531
6532 editor.scroll_manager.show_scrollbars(window, cx);
6533 } else {
6534 editor.scroll_manager.reset_scrollbar_state(cx);
6535 }
6536
6537 mouse_position = event.position;
6538 })
6539 }
6540 });
6541
6542 if any_scrollbar_dragged {
6543 window.on_mouse_event({
6544 let editor = self.editor.clone();
6545 move |_: &MouseUpEvent, phase, window, cx| {
6546 if phase == DispatchPhase::Capture {
6547 return;
6548 }
6549
6550 editor.update(cx, |editor, cx| {
6551 if let Some((_, axis)) = scrollbars_layout.get_hovered_axis(window) {
6552 editor
6553 .scroll_manager
6554 .set_hovered_scroll_thumb_axis(axis, cx);
6555 } else {
6556 editor.scroll_manager.reset_scrollbar_state(cx);
6557 }
6558 cx.stop_propagation();
6559 });
6560 }
6561 });
6562 } else {
6563 window.on_mouse_event({
6564 let editor = self.editor.clone();
6565
6566 move |event: &MouseDownEvent, phase, window, cx| {
6567 if phase == DispatchPhase::Capture {
6568 return;
6569 }
6570 let Some((scrollbar_layout, axis)) = scrollbars_layout.get_hovered_axis(window)
6571 else {
6572 return;
6573 };
6574
6575 let ScrollbarLayout {
6576 hitbox,
6577 visible_range,
6578 text_unit_size,
6579 thumb_bounds,
6580 ..
6581 } = scrollbar_layout;
6582
6583 let Some(thumb_bounds) = thumb_bounds else {
6584 return;
6585 };
6586
6587 editor.update(cx, |editor, cx| {
6588 editor
6589 .scroll_manager
6590 .set_dragged_scroll_thumb_axis(axis, cx);
6591
6592 let event_position = event.position.along(axis);
6593
6594 if event_position < thumb_bounds.origin.along(axis)
6595 || thumb_bounds.bottom_right().along(axis) < event_position
6596 {
6597 let center_position = ((event_position - hitbox.origin.along(axis))
6598 / *text_unit_size)
6599 .round() as u32;
6600 let start_position = center_position.saturating_sub(
6601 (visible_range.end - visible_range.start) as u32 / 2,
6602 );
6603
6604 let position = editor
6605 .scroll_position(cx)
6606 .apply_along(axis, |_| start_position as ScrollOffset);
6607
6608 editor.set_scroll_position(position, window, cx);
6609 } else {
6610 editor.scroll_manager.show_scrollbars(window, cx);
6611 }
6612
6613 cx.stop_propagation();
6614 });
6615 }
6616 });
6617 }
6618 }
6619
6620 fn collect_fast_scrollbar_markers(
6621 &self,
6622 layout: &EditorLayout,
6623 scrollbar_layout: &ScrollbarLayout,
6624 cx: &mut App,
6625 ) -> Vec<PaintQuad> {
6626 const LIMIT: usize = 100;
6627 if !EditorSettings::get_global(cx).scrollbar.cursors || layout.cursors.len() > LIMIT {
6628 return vec![];
6629 }
6630 let cursor_ranges = layout
6631 .cursors
6632 .iter()
6633 .map(|(point, color)| ColoredRange {
6634 start: point.row(),
6635 end: point.row(),
6636 color: *color,
6637 })
6638 .collect_vec();
6639 scrollbar_layout.marker_quads_for_ranges(cursor_ranges, None)
6640 }
6641
6642 fn refresh_slow_scrollbar_markers(
6643 &self,
6644 layout: &EditorLayout,
6645 scrollbar_layout: &ScrollbarLayout,
6646 window: &mut Window,
6647 cx: &mut App,
6648 ) {
6649 self.editor.update(cx, |editor, cx| {
6650 if editor.buffer_kind(cx) != ItemBufferKind::Singleton
6651 || !editor
6652 .scrollbar_marker_state
6653 .should_refresh(scrollbar_layout.hitbox.size)
6654 {
6655 return;
6656 }
6657
6658 let scrollbar_layout = scrollbar_layout.clone();
6659 let background_highlights = editor.background_highlights.clone();
6660 let snapshot = layout.position_map.snapshot.clone();
6661 let theme = cx.theme().clone();
6662 let scrollbar_settings = EditorSettings::get_global(cx).scrollbar;
6663
6664 editor.scrollbar_marker_state.dirty = false;
6665 editor.scrollbar_marker_state.pending_refresh =
6666 Some(cx.spawn_in(window, async move |editor, cx| {
6667 let scrollbar_size = scrollbar_layout.hitbox.size;
6668 let scrollbar_markers = cx
6669 .background_spawn(async move {
6670 let max_point = snapshot.display_snapshot.buffer_snapshot().max_point();
6671 let mut marker_quads = Vec::new();
6672 if scrollbar_settings.git_diff {
6673 let marker_row_ranges =
6674 snapshot.buffer_snapshot().diff_hunks().map(|hunk| {
6675 let start_display_row =
6676 MultiBufferPoint::new(hunk.row_range.start.0, 0)
6677 .to_display_point(&snapshot.display_snapshot)
6678 .row();
6679 let mut end_display_row =
6680 MultiBufferPoint::new(hunk.row_range.end.0, 0)
6681 .to_display_point(&snapshot.display_snapshot)
6682 .row();
6683 if end_display_row != start_display_row {
6684 end_display_row.0 -= 1;
6685 }
6686 let color = match &hunk.status().kind {
6687 DiffHunkStatusKind::Added => {
6688 theme.colors().version_control_added
6689 }
6690 DiffHunkStatusKind::Modified => {
6691 theme.colors().version_control_modified
6692 }
6693 DiffHunkStatusKind::Deleted => {
6694 theme.colors().version_control_deleted
6695 }
6696 };
6697 ColoredRange {
6698 start: start_display_row,
6699 end: end_display_row,
6700 color,
6701 }
6702 });
6703
6704 marker_quads.extend(
6705 scrollbar_layout
6706 .marker_quads_for_ranges(marker_row_ranges, Some(0)),
6707 );
6708 }
6709
6710 for (background_highlight_id, (_, background_ranges)) in
6711 background_highlights.iter()
6712 {
6713 let is_search_highlights = *background_highlight_id
6714 == HighlightKey::Type(TypeId::of::<BufferSearchHighlights>());
6715 let is_text_highlights = *background_highlight_id
6716 == HighlightKey::Type(TypeId::of::<SelectedTextHighlight>());
6717 let is_symbol_occurrences = *background_highlight_id
6718 == HighlightKey::Type(TypeId::of::<DocumentHighlightRead>())
6719 || *background_highlight_id
6720 == HighlightKey::Type(
6721 TypeId::of::<DocumentHighlightWrite>(),
6722 );
6723 if (is_search_highlights && scrollbar_settings.search_results)
6724 || (is_text_highlights && scrollbar_settings.selected_text)
6725 || (is_symbol_occurrences && scrollbar_settings.selected_symbol)
6726 {
6727 let mut color = theme.status().info;
6728 if is_symbol_occurrences {
6729 color.fade_out(0.5);
6730 }
6731 let marker_row_ranges = background_ranges.iter().map(|range| {
6732 let display_start = range
6733 .start
6734 .to_display_point(&snapshot.display_snapshot);
6735 let display_end =
6736 range.end.to_display_point(&snapshot.display_snapshot);
6737 ColoredRange {
6738 start: display_start.row(),
6739 end: display_end.row(),
6740 color,
6741 }
6742 });
6743 marker_quads.extend(
6744 scrollbar_layout
6745 .marker_quads_for_ranges(marker_row_ranges, Some(1)),
6746 );
6747 }
6748 }
6749
6750 if scrollbar_settings.diagnostics != ScrollbarDiagnostics::None {
6751 let diagnostics = snapshot
6752 .buffer_snapshot()
6753 .diagnostics_in_range::<Point>(Point::zero()..max_point)
6754 // Don't show diagnostics the user doesn't care about
6755 .filter(|diagnostic| {
6756 match (
6757 scrollbar_settings.diagnostics,
6758 diagnostic.diagnostic.severity,
6759 ) {
6760 (ScrollbarDiagnostics::All, _) => true,
6761 (
6762 ScrollbarDiagnostics::Error,
6763 lsp::DiagnosticSeverity::ERROR,
6764 ) => true,
6765 (
6766 ScrollbarDiagnostics::Warning,
6767 lsp::DiagnosticSeverity::ERROR
6768 | lsp::DiagnosticSeverity::WARNING,
6769 ) => true,
6770 (
6771 ScrollbarDiagnostics::Information,
6772 lsp::DiagnosticSeverity::ERROR
6773 | lsp::DiagnosticSeverity::WARNING
6774 | lsp::DiagnosticSeverity::INFORMATION,
6775 ) => true,
6776 (_, _) => false,
6777 }
6778 })
6779 // We want to sort by severity, in order to paint the most severe diagnostics last.
6780 .sorted_by_key(|diagnostic| {
6781 std::cmp::Reverse(diagnostic.diagnostic.severity)
6782 });
6783
6784 let marker_row_ranges = diagnostics.into_iter().map(|diagnostic| {
6785 let start_display = diagnostic
6786 .range
6787 .start
6788 .to_display_point(&snapshot.display_snapshot);
6789 let end_display = diagnostic
6790 .range
6791 .end
6792 .to_display_point(&snapshot.display_snapshot);
6793 let color = match diagnostic.diagnostic.severity {
6794 lsp::DiagnosticSeverity::ERROR => theme.status().error,
6795 lsp::DiagnosticSeverity::WARNING => theme.status().warning,
6796 lsp::DiagnosticSeverity::INFORMATION => theme.status().info,
6797 _ => theme.status().hint,
6798 };
6799 ColoredRange {
6800 start: start_display.row(),
6801 end: end_display.row(),
6802 color,
6803 }
6804 });
6805 marker_quads.extend(
6806 scrollbar_layout
6807 .marker_quads_for_ranges(marker_row_ranges, Some(2)),
6808 );
6809 }
6810
6811 Arc::from(marker_quads)
6812 })
6813 .await;
6814
6815 editor.update(cx, |editor, cx| {
6816 editor.scrollbar_marker_state.markers = scrollbar_markers;
6817 editor.scrollbar_marker_state.scrollbar_size = scrollbar_size;
6818 editor.scrollbar_marker_state.pending_refresh = None;
6819 cx.notify();
6820 })?;
6821
6822 Ok(())
6823 }));
6824 });
6825 }
6826
6827 fn paint_highlighted_range(
6828 &self,
6829 range: Range<DisplayPoint>,
6830 fill: bool,
6831 color: Hsla,
6832 corner_radius: Pixels,
6833 line_end_overshoot: Pixels,
6834 layout: &EditorLayout,
6835 window: &mut Window,
6836 ) {
6837 let start_row = layout.visible_display_row_range.start;
6838 let end_row = layout.visible_display_row_range.end;
6839 if range.start != range.end {
6840 let row_range = if range.end.column() == 0 {
6841 cmp::max(range.start.row(), start_row)..cmp::min(range.end.row(), end_row)
6842 } else {
6843 cmp::max(range.start.row(), start_row)
6844 ..cmp::min(range.end.row().next_row(), end_row)
6845 };
6846
6847 let highlighted_range = HighlightedRange {
6848 color,
6849 line_height: layout.position_map.line_height,
6850 corner_radius,
6851 start_y: layout.content_origin.y
6852 + Pixels::from(
6853 (row_range.start.as_f64() - layout.position_map.scroll_position.y)
6854 * ScrollOffset::from(layout.position_map.line_height),
6855 ),
6856 lines: row_range
6857 .iter_rows()
6858 .map(|row| {
6859 let line_layout =
6860 &layout.position_map.line_layouts[row.minus(start_row) as usize];
6861 HighlightedRangeLine {
6862 start_x: if row == range.start.row() {
6863 layout.content_origin.x
6864 + Pixels::from(
6865 ScrollPixelOffset::from(
6866 line_layout.x_for_index(range.start.column() as usize),
6867 ) - layout.position_map.scroll_pixel_position.x,
6868 )
6869 } else {
6870 layout.content_origin.x
6871 - Pixels::from(layout.position_map.scroll_pixel_position.x)
6872 },
6873 end_x: if row == range.end.row() {
6874 layout.content_origin.x
6875 + Pixels::from(
6876 ScrollPixelOffset::from(
6877 line_layout.x_for_index(range.end.column() as usize),
6878 ) - layout.position_map.scroll_pixel_position.x,
6879 )
6880 } else {
6881 Pixels::from(
6882 ScrollPixelOffset::from(
6883 layout.content_origin.x
6884 + line_layout.width
6885 + line_end_overshoot,
6886 ) - layout.position_map.scroll_pixel_position.x,
6887 )
6888 },
6889 }
6890 })
6891 .collect(),
6892 };
6893
6894 highlighted_range.paint(fill, layout.position_map.text_hitbox.bounds, window);
6895 }
6896 }
6897
6898 fn paint_inline_diagnostics(
6899 &mut self,
6900 layout: &mut EditorLayout,
6901 window: &mut Window,
6902 cx: &mut App,
6903 ) {
6904 for mut inline_diagnostic in layout.inline_diagnostics.drain() {
6905 inline_diagnostic.1.paint(window, cx);
6906 }
6907 }
6908
6909 fn paint_inline_blame(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6910 if let Some(mut blame_layout) = layout.inline_blame_layout.take() {
6911 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6912 blame_layout.element.paint(window, cx);
6913 })
6914 }
6915 }
6916
6917 fn paint_inline_code_actions(
6918 &mut self,
6919 layout: &mut EditorLayout,
6920 window: &mut Window,
6921 cx: &mut App,
6922 ) {
6923 if let Some(mut inline_code_actions) = layout.inline_code_actions.take() {
6924 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6925 inline_code_actions.paint(window, cx);
6926 })
6927 }
6928 }
6929
6930 fn paint_diff_hunk_controls(
6931 &mut self,
6932 layout: &mut EditorLayout,
6933 window: &mut Window,
6934 cx: &mut App,
6935 ) {
6936 for mut diff_hunk_control in layout.diff_hunk_controls.drain(..) {
6937 diff_hunk_control.paint(window, cx);
6938 }
6939 }
6940
6941 fn paint_minimap(&self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6942 if let Some(mut layout) = layout.minimap.take() {
6943 let minimap_hitbox = layout.thumb_layout.hitbox.clone();
6944 let dragging_minimap = self.editor.read(cx).scroll_manager.is_dragging_minimap();
6945
6946 window.paint_layer(layout.thumb_layout.hitbox.bounds, |window| {
6947 window.with_element_namespace("minimap", |window| {
6948 layout.minimap.paint(window, cx);
6949 if let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds {
6950 let minimap_thumb_color = match layout.thumb_layout.thumb_state {
6951 ScrollbarThumbState::Idle => {
6952 cx.theme().colors().minimap_thumb_background
6953 }
6954 ScrollbarThumbState::Hovered => {
6955 cx.theme().colors().minimap_thumb_hover_background
6956 }
6957 ScrollbarThumbState::Dragging => {
6958 cx.theme().colors().minimap_thumb_active_background
6959 }
6960 };
6961 let minimap_thumb_border = match layout.thumb_border_style {
6962 MinimapThumbBorder::Full => Edges::all(ScrollbarLayout::BORDER_WIDTH),
6963 MinimapThumbBorder::LeftOnly => Edges {
6964 left: ScrollbarLayout::BORDER_WIDTH,
6965 ..Default::default()
6966 },
6967 MinimapThumbBorder::LeftOpen => Edges {
6968 right: ScrollbarLayout::BORDER_WIDTH,
6969 top: ScrollbarLayout::BORDER_WIDTH,
6970 bottom: ScrollbarLayout::BORDER_WIDTH,
6971 ..Default::default()
6972 },
6973 MinimapThumbBorder::RightOpen => Edges {
6974 left: ScrollbarLayout::BORDER_WIDTH,
6975 top: ScrollbarLayout::BORDER_WIDTH,
6976 bottom: ScrollbarLayout::BORDER_WIDTH,
6977 ..Default::default()
6978 },
6979 MinimapThumbBorder::None => Default::default(),
6980 };
6981
6982 window.paint_layer(minimap_hitbox.bounds, |window| {
6983 window.paint_quad(quad(
6984 thumb_bounds,
6985 Corners::default(),
6986 minimap_thumb_color,
6987 minimap_thumb_border,
6988 cx.theme().colors().minimap_thumb_border,
6989 BorderStyle::Solid,
6990 ));
6991 });
6992 }
6993 });
6994 });
6995
6996 if dragging_minimap {
6997 window.set_window_cursor_style(CursorStyle::Arrow);
6998 } else {
6999 window.set_cursor_style(CursorStyle::Arrow, &minimap_hitbox);
7000 }
7001
7002 let minimap_axis = ScrollbarAxis::Vertical;
7003 let pixels_per_line = Pixels::from(
7004 ScrollPixelOffset::from(minimap_hitbox.size.height) / layout.max_scroll_top,
7005 )
7006 .min(layout.minimap_line_height);
7007
7008 let mut mouse_position = window.mouse_position();
7009
7010 window.on_mouse_event({
7011 let editor = self.editor.clone();
7012
7013 let minimap_hitbox = minimap_hitbox.clone();
7014
7015 move |event: &MouseMoveEvent, phase, window, cx| {
7016 if phase == DispatchPhase::Capture {
7017 return;
7018 }
7019
7020 editor.update(cx, |editor, cx| {
7021 if event.pressed_button == Some(MouseButton::Left)
7022 && editor.scroll_manager.is_dragging_minimap()
7023 {
7024 let old_position = mouse_position.along(minimap_axis);
7025 let new_position = event.position.along(minimap_axis);
7026 if (minimap_hitbox.origin.along(minimap_axis)
7027 ..minimap_hitbox.bottom_right().along(minimap_axis))
7028 .contains(&old_position)
7029 {
7030 let position =
7031 editor.scroll_position(cx).apply_along(minimap_axis, |p| {
7032 (p + ScrollPixelOffset::from(
7033 (new_position - old_position) / pixels_per_line,
7034 ))
7035 .max(0.)
7036 });
7037
7038 editor.set_scroll_position(position, window, cx);
7039 }
7040 cx.stop_propagation();
7041 } else if minimap_hitbox.is_hovered(window) {
7042 editor.scroll_manager.set_is_hovering_minimap_thumb(
7043 !event.dragging()
7044 && layout
7045 .thumb_layout
7046 .thumb_bounds
7047 .is_some_and(|bounds| bounds.contains(&event.position)),
7048 cx,
7049 );
7050
7051 // Stop hover events from propagating to the
7052 // underlying editor if the minimap hitbox is hovered
7053 if !event.dragging() {
7054 cx.stop_propagation();
7055 }
7056 } else {
7057 editor.scroll_manager.hide_minimap_thumb(cx);
7058 }
7059 mouse_position = event.position;
7060 });
7061 }
7062 });
7063
7064 if dragging_minimap {
7065 window.on_mouse_event({
7066 let editor = self.editor.clone();
7067 move |event: &MouseUpEvent, phase, window, cx| {
7068 if phase == DispatchPhase::Capture {
7069 return;
7070 }
7071
7072 editor.update(cx, |editor, cx| {
7073 if minimap_hitbox.is_hovered(window) {
7074 editor.scroll_manager.set_is_hovering_minimap_thumb(
7075 layout
7076 .thumb_layout
7077 .thumb_bounds
7078 .is_some_and(|bounds| bounds.contains(&event.position)),
7079 cx,
7080 );
7081 } else {
7082 editor.scroll_manager.hide_minimap_thumb(cx);
7083 }
7084 cx.stop_propagation();
7085 });
7086 }
7087 });
7088 } else {
7089 window.on_mouse_event({
7090 let editor = self.editor.clone();
7091
7092 move |event: &MouseDownEvent, phase, window, cx| {
7093 if phase == DispatchPhase::Capture || !minimap_hitbox.is_hovered(window) {
7094 return;
7095 }
7096
7097 let event_position = event.position;
7098
7099 let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds else {
7100 return;
7101 };
7102
7103 editor.update(cx, |editor, cx| {
7104 if !thumb_bounds.contains(&event_position) {
7105 let click_position =
7106 event_position.relative_to(&minimap_hitbox.origin).y;
7107
7108 let top_position = (click_position
7109 - thumb_bounds.size.along(minimap_axis) / 2.0)
7110 .max(Pixels::ZERO);
7111
7112 let scroll_offset = (layout.minimap_scroll_top
7113 + ScrollPixelOffset::from(
7114 top_position / layout.minimap_line_height,
7115 ))
7116 .min(layout.max_scroll_top);
7117
7118 let scroll_position = editor
7119 .scroll_position(cx)
7120 .apply_along(minimap_axis, |_| scroll_offset);
7121 editor.set_scroll_position(scroll_position, window, cx);
7122 }
7123
7124 editor.scroll_manager.set_is_dragging_minimap(cx);
7125 cx.stop_propagation();
7126 });
7127 }
7128 });
7129 }
7130 }
7131 }
7132
7133 fn paint_blocks(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
7134 for mut block in layout.blocks.drain(..) {
7135 if block.overlaps_gutter {
7136 block.element.paint(window, cx);
7137 } else {
7138 let mut bounds = layout.hitbox.bounds;
7139 bounds.origin.x += layout.gutter_hitbox.bounds.size.width;
7140 window.with_content_mask(Some(ContentMask { bounds }), |window| {
7141 block.element.paint(window, cx);
7142 })
7143 }
7144 }
7145 }
7146
7147 fn paint_edit_prediction_popover(
7148 &mut self,
7149 layout: &mut EditorLayout,
7150 window: &mut Window,
7151 cx: &mut App,
7152 ) {
7153 if let Some(edit_prediction_popover) = layout.edit_prediction_popover.as_mut() {
7154 edit_prediction_popover.paint(window, cx);
7155 }
7156 }
7157
7158 fn paint_mouse_context_menu(
7159 &mut self,
7160 layout: &mut EditorLayout,
7161 window: &mut Window,
7162 cx: &mut App,
7163 ) {
7164 if let Some(mouse_context_menu) = layout.mouse_context_menu.as_mut() {
7165 mouse_context_menu.paint(window, cx);
7166 }
7167 }
7168
7169 fn paint_scroll_wheel_listener(
7170 &mut self,
7171 layout: &EditorLayout,
7172 window: &mut Window,
7173 cx: &mut App,
7174 ) {
7175 window.on_mouse_event({
7176 let position_map = layout.position_map.clone();
7177 let editor = self.editor.clone();
7178 let hitbox = layout.hitbox.clone();
7179 let mut delta = ScrollDelta::default();
7180
7181 // Set a minimum scroll_sensitivity of 0.01 to make sure the user doesn't
7182 // accidentally turn off their scrolling.
7183 let base_scroll_sensitivity =
7184 EditorSettings::get_global(cx).scroll_sensitivity.max(0.01);
7185
7186 // Use a minimum fast_scroll_sensitivity for same reason above
7187 let fast_scroll_sensitivity = EditorSettings::get_global(cx)
7188 .fast_scroll_sensitivity
7189 .max(0.01);
7190
7191 move |event: &ScrollWheelEvent, phase, window, cx| {
7192 let scroll_sensitivity = {
7193 if event.modifiers.alt {
7194 fast_scroll_sensitivity
7195 } else {
7196 base_scroll_sensitivity
7197 }
7198 };
7199
7200 if phase == DispatchPhase::Bubble && hitbox.should_handle_scroll(window) {
7201 delta = delta.coalesce(event.delta);
7202 editor.update(cx, |editor, cx| {
7203 let position_map: &PositionMap = &position_map;
7204
7205 let line_height = position_map.line_height;
7206 let max_glyph_advance = position_map.em_advance;
7207 let (delta, axis) = match delta {
7208 gpui::ScrollDelta::Pixels(mut pixels) => {
7209 //Trackpad
7210 let axis = position_map.snapshot.ongoing_scroll.filter(&mut pixels);
7211 (pixels, axis)
7212 }
7213
7214 gpui::ScrollDelta::Lines(lines) => {
7215 //Not trackpad
7216 let pixels =
7217 point(lines.x * max_glyph_advance, lines.y * line_height);
7218 (pixels, None)
7219 }
7220 };
7221
7222 let current_scroll_position = position_map.snapshot.scroll_position();
7223 let x = (current_scroll_position.x
7224 * ScrollPixelOffset::from(max_glyph_advance)
7225 - ScrollPixelOffset::from(delta.x * scroll_sensitivity))
7226 / ScrollPixelOffset::from(max_glyph_advance);
7227 let y = (current_scroll_position.y * ScrollPixelOffset::from(line_height)
7228 - ScrollPixelOffset::from(delta.y * scroll_sensitivity))
7229 / ScrollPixelOffset::from(line_height);
7230 let mut scroll_position =
7231 point(x, y).clamp(&point(0., 0.), &position_map.scroll_max);
7232 let forbid_vertical_scroll = editor.scroll_manager.forbid_vertical_scroll();
7233 if forbid_vertical_scroll {
7234 scroll_position.y = current_scroll_position.y;
7235 }
7236
7237 if scroll_position != current_scroll_position {
7238 editor.scroll(scroll_position, axis, window, cx);
7239 cx.stop_propagation();
7240 } else if y < 0. {
7241 // Due to clamping, we may fail to detect cases of overscroll to the top;
7242 // We want the scroll manager to get an update in such cases and detect the change of direction
7243 // on the next frame.
7244 cx.notify();
7245 }
7246 });
7247 }
7248 }
7249 });
7250 }
7251
7252 fn paint_mouse_listeners(&mut self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
7253 if layout.mode.is_minimap() {
7254 return;
7255 }
7256
7257 self.paint_scroll_wheel_listener(layout, window, cx);
7258
7259 window.on_mouse_event({
7260 let position_map = layout.position_map.clone();
7261 let editor = self.editor.clone();
7262 let line_numbers = layout.line_numbers.clone();
7263
7264 move |event: &MouseDownEvent, phase, window, cx| {
7265 if phase == DispatchPhase::Bubble {
7266 match event.button {
7267 MouseButton::Left => editor.update(cx, |editor, cx| {
7268 let pending_mouse_down = editor
7269 .pending_mouse_down
7270 .get_or_insert_with(Default::default)
7271 .clone();
7272
7273 *pending_mouse_down.borrow_mut() = Some(event.clone());
7274
7275 Self::mouse_left_down(
7276 editor,
7277 event,
7278 &position_map,
7279 line_numbers.as_ref(),
7280 window,
7281 cx,
7282 );
7283 }),
7284 MouseButton::Right => editor.update(cx, |editor, cx| {
7285 Self::mouse_right_down(editor, event, &position_map, window, cx);
7286 }),
7287 MouseButton::Middle => editor.update(cx, |editor, cx| {
7288 Self::mouse_middle_down(editor, event, &position_map, window, cx);
7289 }),
7290 _ => {}
7291 };
7292 }
7293 }
7294 });
7295
7296 window.on_mouse_event({
7297 let editor = self.editor.clone();
7298 let position_map = layout.position_map.clone();
7299
7300 move |event: &MouseUpEvent, phase, window, cx| {
7301 if phase == DispatchPhase::Bubble {
7302 editor.update(cx, |editor, cx| {
7303 Self::mouse_up(editor, event, &position_map, window, cx)
7304 });
7305 }
7306 }
7307 });
7308
7309 window.on_mouse_event({
7310 let editor = self.editor.clone();
7311 let position_map = layout.position_map.clone();
7312 let mut captured_mouse_down = None;
7313
7314 move |event: &MouseUpEvent, phase, window, cx| match phase {
7315 // Clear the pending mouse down during the capture phase,
7316 // so that it happens even if another event handler stops
7317 // propagation.
7318 DispatchPhase::Capture => editor.update(cx, |editor, _cx| {
7319 let pending_mouse_down = editor
7320 .pending_mouse_down
7321 .get_or_insert_with(Default::default)
7322 .clone();
7323
7324 let mut pending_mouse_down = pending_mouse_down.borrow_mut();
7325 if pending_mouse_down.is_some() && position_map.text_hitbox.is_hovered(window) {
7326 captured_mouse_down = pending_mouse_down.take();
7327 window.refresh();
7328 }
7329 }),
7330 // Fire click handlers during the bubble phase.
7331 DispatchPhase::Bubble => editor.update(cx, |editor, cx| {
7332 if let Some(mouse_down) = captured_mouse_down.take() {
7333 let event = ClickEvent::Mouse(MouseClickEvent {
7334 down: mouse_down,
7335 up: event.clone(),
7336 });
7337 Self::click(editor, &event, &position_map, window, cx);
7338 }
7339 }),
7340 }
7341 });
7342
7343 window.on_mouse_event({
7344 let position_map = layout.position_map.clone();
7345 let editor = self.editor.clone();
7346
7347 move |event: &MouseMoveEvent, phase, window, cx| {
7348 if phase == DispatchPhase::Bubble {
7349 editor.update(cx, |editor, cx| {
7350 if editor.hover_state.focused(window, cx) {
7351 return;
7352 }
7353 if event.pressed_button == Some(MouseButton::Left)
7354 || event.pressed_button == Some(MouseButton::Middle)
7355 {
7356 Self::mouse_dragged(editor, event, &position_map, window, cx)
7357 }
7358
7359 Self::mouse_moved(editor, event, &position_map, window, cx)
7360 });
7361 }
7362 }
7363 });
7364 }
7365
7366 fn column_pixels(&self, column: usize, window: &Window) -> Pixels {
7367 let style = &self.style;
7368 let font_size = style.text.font_size.to_pixels(window.rem_size());
7369 let layout = window.text_system().shape_line(
7370 SharedString::from(" ".repeat(column)),
7371 font_size,
7372 &[TextRun {
7373 len: column,
7374 font: style.text.font(),
7375 color: Hsla::default(),
7376 background_color: None,
7377 underline: None,
7378 strikethrough: None,
7379 }],
7380 None,
7381 );
7382
7383 layout.width
7384 }
7385
7386 fn max_line_number_width(&self, snapshot: &EditorSnapshot, window: &mut Window) -> Pixels {
7387 let digit_count = snapshot.widest_line_number().ilog10() + 1;
7388 self.column_pixels(digit_count as usize, window)
7389 }
7390
7391 fn shape_line_number(
7392 &self,
7393 text: SharedString,
7394 color: Hsla,
7395 window: &mut Window,
7396 ) -> ShapedLine {
7397 let run = TextRun {
7398 len: text.len(),
7399 font: self.style.text.font(),
7400 color,
7401 background_color: None,
7402 underline: None,
7403 strikethrough: None,
7404 };
7405 window.text_system().shape_line(
7406 text,
7407 self.style.text.font_size.to_pixels(window.rem_size()),
7408 &[run],
7409 None,
7410 )
7411 }
7412
7413 fn diff_hunk_hollow(status: DiffHunkStatus, cx: &mut App) -> bool {
7414 let unstaged = status.has_secondary_hunk();
7415 let unstaged_hollow = matches!(
7416 ProjectSettings::get_global(cx).git.hunk_style,
7417 GitHunkStyleSetting::UnstagedHollow
7418 );
7419
7420 unstaged == unstaged_hollow
7421 }
7422
7423 #[cfg(debug_assertions)]
7424 fn layout_debug_ranges(
7425 selections: &mut Vec<(PlayerColor, Vec<SelectionLayout>)>,
7426 anchor_range: Range<Anchor>,
7427 display_snapshot: &DisplaySnapshot,
7428 cx: &App,
7429 ) {
7430 let theme = cx.theme();
7431 text::debug::GlobalDebugRanges::with_locked(|debug_ranges| {
7432 if debug_ranges.ranges.is_empty() {
7433 return;
7434 }
7435 let buffer_snapshot = &display_snapshot.buffer_snapshot();
7436 for (buffer, buffer_range, excerpt_id) in
7437 buffer_snapshot.range_to_buffer_ranges(anchor_range)
7438 {
7439 let buffer_range =
7440 buffer.anchor_after(buffer_range.start)..buffer.anchor_before(buffer_range.end);
7441 selections.extend(debug_ranges.ranges.iter().flat_map(|debug_range| {
7442 let player_color = theme
7443 .players()
7444 .color_for_participant(debug_range.occurrence_index as u32 + 1);
7445 debug_range.ranges.iter().filter_map(move |range| {
7446 if range.start.buffer_id != Some(buffer.remote_id()) {
7447 return None;
7448 }
7449 let clipped_start = range.start.max(&buffer_range.start, buffer);
7450 let clipped_end = range.end.min(&buffer_range.end, buffer);
7451 let range = buffer_snapshot.anchor_in_excerpt(excerpt_id, clipped_start)?
7452 ..buffer_snapshot.anchor_in_excerpt(excerpt_id, clipped_end)?;
7453 let start = range.start.to_display_point(display_snapshot);
7454 let end = range.end.to_display_point(display_snapshot);
7455 let selection_layout = SelectionLayout {
7456 head: start,
7457 range: start..end,
7458 cursor_shape: CursorShape::Bar,
7459 is_newest: false,
7460 is_local: false,
7461 active_rows: start.row()..end.row(),
7462 user_name: Some(SharedString::new(debug_range.value.clone())),
7463 };
7464 Some((player_color, vec![selection_layout]))
7465 })
7466 }));
7467 }
7468 });
7469 }
7470}
7471
7472fn header_jump_data(
7473 snapshot: &EditorSnapshot,
7474 block_row_start: DisplayRow,
7475 height: u32,
7476 for_excerpt: &ExcerptInfo,
7477) -> JumpData {
7478 let range = &for_excerpt.range;
7479 let buffer = &for_excerpt.buffer;
7480 let jump_anchor = range.primary.start;
7481
7482 let excerpt_start = range.context.start;
7483 let jump_position = language::ToPoint::to_point(&jump_anchor, buffer);
7484 let rows_from_excerpt_start = if jump_anchor == excerpt_start {
7485 0
7486 } else {
7487 let excerpt_start_point = language::ToPoint::to_point(&excerpt_start, buffer);
7488 jump_position.row.saturating_sub(excerpt_start_point.row)
7489 };
7490
7491 let line_offset_from_top = (block_row_start.0 + height + rows_from_excerpt_start)
7492 .saturating_sub(
7493 snapshot
7494 .scroll_anchor
7495 .scroll_position(&snapshot.display_snapshot)
7496 .y as u32,
7497 );
7498
7499 JumpData::MultiBufferPoint {
7500 excerpt_id: for_excerpt.id,
7501 anchor: jump_anchor,
7502 position: jump_position,
7503 line_offset_from_top,
7504 }
7505}
7506
7507pub struct AcceptEditPredictionBinding(pub(crate) Option<gpui::KeyBinding>);
7508
7509impl AcceptEditPredictionBinding {
7510 pub fn keystroke(&self) -> Option<&KeybindingKeystroke> {
7511 if let Some(binding) = self.0.as_ref() {
7512 match &binding.keystrokes() {
7513 [keystroke, ..] => Some(keystroke),
7514 _ => None,
7515 }
7516 } else {
7517 None
7518 }
7519 }
7520}
7521
7522fn prepaint_gutter_button(
7523 button: IconButton,
7524 row: DisplayRow,
7525 line_height: Pixels,
7526 gutter_dimensions: &GutterDimensions,
7527 scroll_position: gpui::Point<ScrollOffset>,
7528 gutter_hitbox: &Hitbox,
7529 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
7530 window: &mut Window,
7531 cx: &mut App,
7532) -> AnyElement {
7533 let mut button = button.into_any_element();
7534
7535 let available_space = size(
7536 AvailableSpace::MinContent,
7537 AvailableSpace::Definite(line_height),
7538 );
7539 let indicator_size = button.layout_as_root(available_space, window, cx);
7540
7541 let blame_width = gutter_dimensions.git_blame_entries_width;
7542 let gutter_width = display_hunks
7543 .binary_search_by(|(hunk, _)| match hunk {
7544 DisplayDiffHunk::Folded { display_row } => display_row.cmp(&row),
7545 DisplayDiffHunk::Unfolded {
7546 display_row_range, ..
7547 } => {
7548 if display_row_range.end <= row {
7549 Ordering::Less
7550 } else if display_row_range.start > row {
7551 Ordering::Greater
7552 } else {
7553 Ordering::Equal
7554 }
7555 }
7556 })
7557 .ok()
7558 .and_then(|ix| Some(display_hunks[ix].1.as_ref()?.size.width));
7559 let left_offset = blame_width.max(gutter_width).unwrap_or_default();
7560
7561 let mut x = left_offset;
7562 let available_width = gutter_dimensions.margin + gutter_dimensions.left_padding
7563 - indicator_size.width
7564 - left_offset;
7565 x += available_width / 2.;
7566
7567 let mut y =
7568 Pixels::from((row.as_f64() - scroll_position.y) * ScrollPixelOffset::from(line_height));
7569 y += (line_height - indicator_size.height) / 2.;
7570
7571 button.prepaint_as_root(
7572 gutter_hitbox.origin + point(x, y),
7573 available_space,
7574 window,
7575 cx,
7576 );
7577 button
7578}
7579
7580fn render_inline_blame_entry(
7581 blame_entry: BlameEntry,
7582 style: &EditorStyle,
7583 cx: &mut App,
7584) -> Option<AnyElement> {
7585 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7586 renderer.render_inline_blame_entry(&style.text, blame_entry, cx)
7587}
7588
7589fn render_blame_entry_popover(
7590 blame_entry: BlameEntry,
7591 scroll_handle: ScrollHandle,
7592 commit_message: Option<ParsedCommitMessage>,
7593 markdown: Entity<Markdown>,
7594 workspace: WeakEntity<Workspace>,
7595 blame: &Entity<GitBlame>,
7596 buffer: BufferId,
7597 window: &mut Window,
7598 cx: &mut App,
7599) -> Option<AnyElement> {
7600 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7601 let blame = blame.read(cx);
7602 let repository = blame.repository(cx, buffer)?;
7603 renderer.render_blame_entry_popover(
7604 blame_entry,
7605 scroll_handle,
7606 commit_message,
7607 markdown,
7608 repository,
7609 workspace,
7610 window,
7611 cx,
7612 )
7613}
7614
7615fn render_blame_entry(
7616 ix: usize,
7617 blame: &Entity<GitBlame>,
7618 blame_entry: BlameEntry,
7619 style: &EditorStyle,
7620 last_used_color: &mut Option<(Hsla, Oid)>,
7621 editor: Entity<Editor>,
7622 workspace: Entity<Workspace>,
7623 buffer: BufferId,
7624 renderer: &dyn BlameRenderer,
7625 window: &mut Window,
7626 cx: &mut App,
7627) -> Option<AnyElement> {
7628 let index: u32 = blame_entry.sha.into();
7629 let mut sha_color = cx.theme().players().color_for_participant(index).cursor;
7630
7631 // If the last color we used is the same as the one we get for this line, but
7632 // the commit SHAs are different, then we try again to get a different color.
7633 if let Some((color, sha)) = *last_used_color
7634 && sha != blame_entry.sha
7635 && color == sha_color
7636 {
7637 sha_color = cx.theme().players().color_for_participant(index + 1).cursor;
7638 }
7639 last_used_color.replace((sha_color, blame_entry.sha));
7640
7641 let blame = blame.read(cx);
7642 let details = blame.details_for_entry(buffer, &blame_entry);
7643 let repository = blame.repository(cx, buffer)?;
7644 renderer.render_blame_entry(
7645 &style.text,
7646 blame_entry,
7647 details,
7648 repository,
7649 workspace.downgrade(),
7650 editor,
7651 ix,
7652 sha_color,
7653 window,
7654 cx,
7655 )
7656}
7657
7658#[derive(Debug)]
7659pub(crate) struct LineWithInvisibles {
7660 fragments: SmallVec<[LineFragment; 1]>,
7661 invisibles: Vec<Invisible>,
7662 len: usize,
7663 pub(crate) width: Pixels,
7664 font_size: Pixels,
7665}
7666
7667enum LineFragment {
7668 Text(ShapedLine),
7669 Element {
7670 id: ChunkRendererId,
7671 element: Option<AnyElement>,
7672 size: Size<Pixels>,
7673 len: usize,
7674 },
7675}
7676
7677impl fmt::Debug for LineFragment {
7678 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
7679 match self {
7680 LineFragment::Text(shaped_line) => f.debug_tuple("Text").field(shaped_line).finish(),
7681 LineFragment::Element { size, len, .. } => f
7682 .debug_struct("Element")
7683 .field("size", size)
7684 .field("len", len)
7685 .finish(),
7686 }
7687 }
7688}
7689
7690impl LineWithInvisibles {
7691 fn from_chunks<'a>(
7692 chunks: impl Iterator<Item = HighlightedChunk<'a>>,
7693 editor_style: &EditorStyle,
7694 max_line_len: usize,
7695 max_line_count: usize,
7696 editor_mode: &EditorMode,
7697 text_width: Pixels,
7698 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
7699 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
7700 window: &mut Window,
7701 cx: &mut App,
7702 ) -> Vec<Self> {
7703 let text_style = &editor_style.text;
7704 let mut layouts = Vec::with_capacity(max_line_count);
7705 let mut fragments: SmallVec<[LineFragment; 1]> = SmallVec::new();
7706 let mut line = String::new();
7707 let mut invisibles = Vec::new();
7708 let mut width = Pixels::ZERO;
7709 let mut len = 0;
7710 let mut styles = Vec::new();
7711 let mut non_whitespace_added = false;
7712 let mut row = 0;
7713 let mut line_exceeded_max_len = false;
7714 let font_size = text_style.font_size.to_pixels(window.rem_size());
7715 let min_contrast = EditorSettings::get_global(cx).minimum_contrast_for_highlights;
7716
7717 let ellipsis = SharedString::from("β―");
7718
7719 for highlighted_chunk in chunks.chain([HighlightedChunk {
7720 text: "\n",
7721 style: None,
7722 is_tab: false,
7723 is_inlay: false,
7724 replacement: None,
7725 }]) {
7726 if let Some(replacement) = highlighted_chunk.replacement {
7727 if !line.is_empty() {
7728 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7729 let text_runs: &[TextRun] = if segments.is_empty() {
7730 &styles
7731 } else {
7732 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
7733 };
7734 let shaped_line = window.text_system().shape_line(
7735 line.clone().into(),
7736 font_size,
7737 text_runs,
7738 None,
7739 );
7740 width += shaped_line.width;
7741 len += shaped_line.len;
7742 fragments.push(LineFragment::Text(shaped_line));
7743 line.clear();
7744 styles.clear();
7745 }
7746
7747 match replacement {
7748 ChunkReplacement::Renderer(renderer) => {
7749 let available_width = if renderer.constrain_width {
7750 let chunk = if highlighted_chunk.text == ellipsis.as_ref() {
7751 ellipsis.clone()
7752 } else {
7753 SharedString::from(Arc::from(highlighted_chunk.text))
7754 };
7755 let shaped_line = window.text_system().shape_line(
7756 chunk,
7757 font_size,
7758 &[text_style.to_run(highlighted_chunk.text.len())],
7759 None,
7760 );
7761 AvailableSpace::Definite(shaped_line.width)
7762 } else {
7763 AvailableSpace::MinContent
7764 };
7765
7766 let mut element = (renderer.render)(&mut ChunkRendererContext {
7767 context: cx,
7768 window,
7769 max_width: text_width,
7770 });
7771 let line_height = text_style.line_height_in_pixels(window.rem_size());
7772 let size = element.layout_as_root(
7773 size(available_width, AvailableSpace::Definite(line_height)),
7774 window,
7775 cx,
7776 );
7777
7778 width += size.width;
7779 len += highlighted_chunk.text.len();
7780 fragments.push(LineFragment::Element {
7781 id: renderer.id,
7782 element: Some(element),
7783 size,
7784 len: highlighted_chunk.text.len(),
7785 });
7786 }
7787 ChunkReplacement::Str(x) => {
7788 let text_style = if let Some(style) = highlighted_chunk.style {
7789 Cow::Owned(text_style.clone().highlight(style))
7790 } else {
7791 Cow::Borrowed(text_style)
7792 };
7793
7794 let run = TextRun {
7795 len: x.len(),
7796 font: text_style.font(),
7797 color: text_style.color,
7798 background_color: text_style.background_color,
7799 underline: text_style.underline,
7800 strikethrough: text_style.strikethrough,
7801 };
7802 let line_layout = window
7803 .text_system()
7804 .shape_line(x, font_size, &[run], None)
7805 .with_len(highlighted_chunk.text.len());
7806
7807 width += line_layout.width;
7808 len += highlighted_chunk.text.len();
7809 fragments.push(LineFragment::Text(line_layout))
7810 }
7811 }
7812 } else {
7813 for (ix, mut line_chunk) in highlighted_chunk.text.split('\n').enumerate() {
7814 if ix > 0 {
7815 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7816 let text_runs = if segments.is_empty() {
7817 &styles
7818 } else {
7819 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
7820 };
7821 let shaped_line = window.text_system().shape_line(
7822 line.clone().into(),
7823 font_size,
7824 text_runs,
7825 None,
7826 );
7827 width += shaped_line.width;
7828 len += shaped_line.len;
7829 fragments.push(LineFragment::Text(shaped_line));
7830 layouts.push(Self {
7831 width: mem::take(&mut width),
7832 len: mem::take(&mut len),
7833 fragments: mem::take(&mut fragments),
7834 invisibles: std::mem::take(&mut invisibles),
7835 font_size,
7836 });
7837
7838 line.clear();
7839 styles.clear();
7840 row += 1;
7841 line_exceeded_max_len = false;
7842 non_whitespace_added = false;
7843 if row == max_line_count {
7844 return layouts;
7845 }
7846 }
7847
7848 if !line_chunk.is_empty() && !line_exceeded_max_len {
7849 let text_style = if let Some(style) = highlighted_chunk.style {
7850 Cow::Owned(text_style.clone().highlight(style))
7851 } else {
7852 Cow::Borrowed(text_style)
7853 };
7854
7855 if line.len() + line_chunk.len() > max_line_len {
7856 let mut chunk_len = max_line_len - line.len();
7857 while !line_chunk.is_char_boundary(chunk_len) {
7858 chunk_len -= 1;
7859 }
7860 line_chunk = &line_chunk[..chunk_len];
7861 line_exceeded_max_len = true;
7862 }
7863
7864 styles.push(TextRun {
7865 len: line_chunk.len(),
7866 font: text_style.font(),
7867 color: text_style.color,
7868 background_color: text_style.background_color,
7869 underline: text_style.underline,
7870 strikethrough: text_style.strikethrough,
7871 });
7872
7873 if editor_mode.is_full() && !highlighted_chunk.is_inlay {
7874 // Line wrap pads its contents with fake whitespaces,
7875 // avoid printing them
7876 let is_soft_wrapped = is_row_soft_wrapped(row);
7877 if highlighted_chunk.is_tab {
7878 if non_whitespace_added || !is_soft_wrapped {
7879 invisibles.push(Invisible::Tab {
7880 line_start_offset: line.len(),
7881 line_end_offset: line.len() + line_chunk.len(),
7882 });
7883 }
7884 } else {
7885 invisibles.extend(line_chunk.char_indices().filter_map(
7886 |(index, c)| {
7887 let is_whitespace = c.is_whitespace();
7888 non_whitespace_added |= !is_whitespace;
7889 if is_whitespace
7890 && (non_whitespace_added || !is_soft_wrapped)
7891 {
7892 Some(Invisible::Whitespace {
7893 line_offset: line.len() + index,
7894 })
7895 } else {
7896 None
7897 }
7898 },
7899 ))
7900 }
7901 }
7902
7903 line.push_str(line_chunk);
7904 }
7905 }
7906 }
7907 }
7908
7909 layouts
7910 }
7911
7912 /// Takes text runs and non-overlapping left-to-right background ranges with color.
7913 /// Returns new text runs with adjusted contrast as per background ranges.
7914 fn split_runs_by_bg_segments(
7915 text_runs: &[TextRun],
7916 bg_segments: &[(Range<DisplayPoint>, Hsla)],
7917 min_contrast: f32,
7918 start_col_offset: usize,
7919 ) -> Vec<TextRun> {
7920 let mut output_runs: Vec<TextRun> = Vec::with_capacity(text_runs.len());
7921 let mut line_col = start_col_offset;
7922 let mut segment_ix = 0usize;
7923
7924 for text_run in text_runs.iter() {
7925 let run_start_col = line_col;
7926 let run_end_col = run_start_col + text_run.len;
7927 while segment_ix < bg_segments.len()
7928 && (bg_segments[segment_ix].0.end.column() as usize) <= run_start_col
7929 {
7930 segment_ix += 1;
7931 }
7932 let mut cursor_col = run_start_col;
7933 let mut local_segment_ix = segment_ix;
7934 while local_segment_ix < bg_segments.len() {
7935 let (range, segment_color) = &bg_segments[local_segment_ix];
7936 let segment_start_col = range.start.column() as usize;
7937 let segment_end_col = range.end.column() as usize;
7938 if segment_start_col >= run_end_col {
7939 break;
7940 }
7941 if segment_start_col > cursor_col {
7942 let span_len = segment_start_col - cursor_col;
7943 output_runs.push(TextRun {
7944 len: span_len,
7945 font: text_run.font.clone(),
7946 color: text_run.color,
7947 background_color: text_run.background_color,
7948 underline: text_run.underline,
7949 strikethrough: text_run.strikethrough,
7950 });
7951 cursor_col = segment_start_col;
7952 }
7953 let segment_slice_end_col = segment_end_col.min(run_end_col);
7954 if segment_slice_end_col > cursor_col {
7955 let new_text_color =
7956 ensure_minimum_contrast(text_run.color, *segment_color, min_contrast);
7957 output_runs.push(TextRun {
7958 len: segment_slice_end_col - cursor_col,
7959 font: text_run.font.clone(),
7960 color: new_text_color,
7961 background_color: text_run.background_color,
7962 underline: text_run.underline,
7963 strikethrough: text_run.strikethrough,
7964 });
7965 cursor_col = segment_slice_end_col;
7966 }
7967 if segment_end_col >= run_end_col {
7968 break;
7969 }
7970 local_segment_ix += 1;
7971 }
7972 if cursor_col < run_end_col {
7973 output_runs.push(TextRun {
7974 len: run_end_col - cursor_col,
7975 font: text_run.font.clone(),
7976 color: text_run.color,
7977 background_color: text_run.background_color,
7978 underline: text_run.underline,
7979 strikethrough: text_run.strikethrough,
7980 });
7981 }
7982 line_col = run_end_col;
7983 segment_ix = local_segment_ix;
7984 }
7985 output_runs
7986 }
7987
7988 fn prepaint(
7989 &mut self,
7990 line_height: Pixels,
7991 scroll_position: gpui::Point<ScrollOffset>,
7992 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
7993 row: DisplayRow,
7994 content_origin: gpui::Point<Pixels>,
7995 line_elements: &mut SmallVec<[AnyElement; 1]>,
7996 window: &mut Window,
7997 cx: &mut App,
7998 ) {
7999 let line_y = f32::from(line_height) * Pixels::from(row.as_f64() - scroll_position.y);
8000 let mut fragment_origin =
8001 content_origin + gpui::point(Pixels::from(-scroll_pixel_position.x), line_y);
8002 for fragment in &mut self.fragments {
8003 match fragment {
8004 LineFragment::Text(line) => {
8005 fragment_origin.x += line.width;
8006 }
8007 LineFragment::Element { element, size, .. } => {
8008 let mut element = element
8009 .take()
8010 .expect("you can't prepaint LineWithInvisibles twice");
8011
8012 // Center the element vertically within the line.
8013 let mut element_origin = fragment_origin;
8014 element_origin.y += (line_height - size.height) / 2.;
8015 element.prepaint_at(element_origin, window, cx);
8016 line_elements.push(element);
8017
8018 fragment_origin.x += size.width;
8019 }
8020 }
8021 }
8022 }
8023
8024 fn draw(
8025 &self,
8026 layout: &EditorLayout,
8027 row: DisplayRow,
8028 content_origin: gpui::Point<Pixels>,
8029 whitespace_setting: ShowWhitespaceSetting,
8030 selection_ranges: &[Range<DisplayPoint>],
8031 window: &mut Window,
8032 cx: &mut App,
8033 ) {
8034 let line_height = layout.position_map.line_height;
8035 let line_y = line_height * (row.as_f64() - layout.position_map.scroll_position.y) as f32;
8036
8037 let mut fragment_origin = content_origin
8038 + gpui::point(
8039 Pixels::from(-layout.position_map.scroll_pixel_position.x),
8040 line_y,
8041 );
8042
8043 for fragment in &self.fragments {
8044 match fragment {
8045 LineFragment::Text(line) => {
8046 line.paint(fragment_origin, line_height, window, cx)
8047 .log_err();
8048 fragment_origin.x += line.width;
8049 }
8050 LineFragment::Element { size, .. } => {
8051 fragment_origin.x += size.width;
8052 }
8053 }
8054 }
8055
8056 self.draw_invisibles(
8057 selection_ranges,
8058 layout,
8059 content_origin,
8060 line_y,
8061 row,
8062 line_height,
8063 whitespace_setting,
8064 window,
8065 cx,
8066 );
8067 }
8068
8069 fn draw_background(
8070 &self,
8071 layout: &EditorLayout,
8072 row: DisplayRow,
8073 content_origin: gpui::Point<Pixels>,
8074 window: &mut Window,
8075 cx: &mut App,
8076 ) {
8077 let line_height = layout.position_map.line_height;
8078 let line_y = line_height * (row.as_f64() - layout.position_map.scroll_position.y) as f32;
8079
8080 let mut fragment_origin = content_origin
8081 + gpui::point(
8082 Pixels::from(-layout.position_map.scroll_pixel_position.x),
8083 line_y,
8084 );
8085
8086 for fragment in &self.fragments {
8087 match fragment {
8088 LineFragment::Text(line) => {
8089 line.paint_background(fragment_origin, line_height, window, cx)
8090 .log_err();
8091 fragment_origin.x += line.width;
8092 }
8093 LineFragment::Element { size, .. } => {
8094 fragment_origin.x += size.width;
8095 }
8096 }
8097 }
8098 }
8099
8100 fn draw_invisibles(
8101 &self,
8102 selection_ranges: &[Range<DisplayPoint>],
8103 layout: &EditorLayout,
8104 content_origin: gpui::Point<Pixels>,
8105 line_y: Pixels,
8106 row: DisplayRow,
8107 line_height: Pixels,
8108 whitespace_setting: ShowWhitespaceSetting,
8109 window: &mut Window,
8110 cx: &mut App,
8111 ) {
8112 let extract_whitespace_info = |invisible: &Invisible| {
8113 let (token_offset, token_end_offset, invisible_symbol) = match invisible {
8114 Invisible::Tab {
8115 line_start_offset,
8116 line_end_offset,
8117 } => (*line_start_offset, *line_end_offset, &layout.tab_invisible),
8118 Invisible::Whitespace { line_offset } => {
8119 (*line_offset, line_offset + 1, &layout.space_invisible)
8120 }
8121 };
8122
8123 let x_offset: ScrollPixelOffset = self.x_for_index(token_offset).into();
8124 let invisible_offset: ScrollPixelOffset =
8125 ((layout.position_map.em_width - invisible_symbol.width).max(Pixels::ZERO) / 2.0)
8126 .into();
8127 let origin = content_origin
8128 + gpui::point(
8129 Pixels::from(
8130 x_offset + invisible_offset - layout.position_map.scroll_pixel_position.x,
8131 ),
8132 line_y,
8133 );
8134
8135 (
8136 [token_offset, token_end_offset],
8137 Box::new(move |window: &mut Window, cx: &mut App| {
8138 invisible_symbol
8139 .paint(origin, line_height, window, cx)
8140 .log_err();
8141 }),
8142 )
8143 };
8144
8145 let invisible_iter = self.invisibles.iter().map(extract_whitespace_info);
8146 match whitespace_setting {
8147 ShowWhitespaceSetting::None => (),
8148 ShowWhitespaceSetting::All => invisible_iter.for_each(|(_, paint)| paint(window, cx)),
8149 ShowWhitespaceSetting::Selection => invisible_iter.for_each(|([start, _], paint)| {
8150 let invisible_point = DisplayPoint::new(row, start as u32);
8151 if !selection_ranges
8152 .iter()
8153 .any(|region| region.start <= invisible_point && invisible_point < region.end)
8154 {
8155 return;
8156 }
8157
8158 paint(window, cx);
8159 }),
8160
8161 ShowWhitespaceSetting::Trailing => {
8162 let mut previous_start = self.len;
8163 for ([start, end], paint) in invisible_iter.rev() {
8164 if previous_start != end {
8165 break;
8166 }
8167 previous_start = start;
8168 paint(window, cx);
8169 }
8170 }
8171
8172 // For a whitespace to be on a boundary, any of the following conditions need to be met:
8173 // - It is a tab
8174 // - It is adjacent to an edge (start or end)
8175 // - It is adjacent to a whitespace (left or right)
8176 ShowWhitespaceSetting::Boundary => {
8177 // 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
8178 // the above cases.
8179 // Note: We zip in the original `invisibles` to check for tab equality
8180 let mut last_seen: Option<(bool, usize, Box<dyn Fn(&mut Window, &mut App)>)> = None;
8181 for (([start, end], paint), invisible) in
8182 invisible_iter.zip_eq(self.invisibles.iter())
8183 {
8184 let should_render = match (&last_seen, invisible) {
8185 (_, Invisible::Tab { .. }) => true,
8186 (Some((_, last_end, _)), _) => *last_end == start,
8187 _ => false,
8188 };
8189
8190 if should_render || start == 0 || end == self.len {
8191 paint(window, cx);
8192
8193 // Since we are scanning from the left, we will skip over the first available whitespace that is part
8194 // of a boundary between non-whitespace segments, so we correct by manually redrawing it if needed.
8195 if let Some((should_render_last, last_end, paint_last)) = last_seen {
8196 // Note that we need to make sure that the last one is actually adjacent
8197 if !should_render_last && last_end == start {
8198 paint_last(window, cx);
8199 }
8200 }
8201 }
8202
8203 // Manually render anything within a selection
8204 let invisible_point = DisplayPoint::new(row, start as u32);
8205 if selection_ranges.iter().any(|region| {
8206 region.start <= invisible_point && invisible_point < region.end
8207 }) {
8208 paint(window, cx);
8209 }
8210
8211 last_seen = Some((should_render, end, paint));
8212 }
8213 }
8214 }
8215 }
8216
8217 pub fn x_for_index(&self, index: usize) -> Pixels {
8218 let mut fragment_start_x = Pixels::ZERO;
8219 let mut fragment_start_index = 0;
8220
8221 for fragment in &self.fragments {
8222 match fragment {
8223 LineFragment::Text(shaped_line) => {
8224 let fragment_end_index = fragment_start_index + shaped_line.len;
8225 if index < fragment_end_index {
8226 return fragment_start_x
8227 + shaped_line.x_for_index(index - fragment_start_index);
8228 }
8229 fragment_start_x += shaped_line.width;
8230 fragment_start_index = fragment_end_index;
8231 }
8232 LineFragment::Element { len, size, .. } => {
8233 let fragment_end_index = fragment_start_index + len;
8234 if index < fragment_end_index {
8235 return fragment_start_x;
8236 }
8237 fragment_start_x += size.width;
8238 fragment_start_index = fragment_end_index;
8239 }
8240 }
8241 }
8242
8243 fragment_start_x
8244 }
8245
8246 pub fn index_for_x(&self, x: Pixels) -> Option<usize> {
8247 let mut fragment_start_x = Pixels::ZERO;
8248 let mut fragment_start_index = 0;
8249
8250 for fragment in &self.fragments {
8251 match fragment {
8252 LineFragment::Text(shaped_line) => {
8253 let fragment_end_x = fragment_start_x + shaped_line.width;
8254 if x < fragment_end_x {
8255 return Some(
8256 fragment_start_index + shaped_line.index_for_x(x - fragment_start_x)?,
8257 );
8258 }
8259 fragment_start_x = fragment_end_x;
8260 fragment_start_index += shaped_line.len;
8261 }
8262 LineFragment::Element { len, size, .. } => {
8263 let fragment_end_x = fragment_start_x + size.width;
8264 if x < fragment_end_x {
8265 return Some(fragment_start_index);
8266 }
8267 fragment_start_index += len;
8268 fragment_start_x = fragment_end_x;
8269 }
8270 }
8271 }
8272
8273 None
8274 }
8275
8276 pub fn font_id_for_index(&self, index: usize) -> Option<FontId> {
8277 let mut fragment_start_index = 0;
8278
8279 for fragment in &self.fragments {
8280 match fragment {
8281 LineFragment::Text(shaped_line) => {
8282 let fragment_end_index = fragment_start_index + shaped_line.len;
8283 if index < fragment_end_index {
8284 return shaped_line.font_id_for_index(index - fragment_start_index);
8285 }
8286 fragment_start_index = fragment_end_index;
8287 }
8288 LineFragment::Element { len, .. } => {
8289 let fragment_end_index = fragment_start_index + len;
8290 if index < fragment_end_index {
8291 return None;
8292 }
8293 fragment_start_index = fragment_end_index;
8294 }
8295 }
8296 }
8297
8298 None
8299 }
8300}
8301
8302#[derive(Debug, Clone, Copy, PartialEq, Eq)]
8303enum Invisible {
8304 /// A tab character
8305 ///
8306 /// A tab character is internally represented by spaces (configured by the user's tab width)
8307 /// aligned to the nearest column, so it's necessary to store the start and end offset for
8308 /// adjacency checks.
8309 Tab {
8310 line_start_offset: usize,
8311 line_end_offset: usize,
8312 },
8313 Whitespace {
8314 line_offset: usize,
8315 },
8316}
8317
8318impl EditorElement {
8319 /// Returns the rem size to use when rendering the [`EditorElement`].
8320 ///
8321 /// This allows UI elements to scale based on the `buffer_font_size`.
8322 fn rem_size(&self, cx: &mut App) -> Option<Pixels> {
8323 match self.editor.read(cx).mode {
8324 EditorMode::Full {
8325 scale_ui_elements_with_buffer_font_size: true,
8326 ..
8327 }
8328 | EditorMode::Minimap { .. } => {
8329 let buffer_font_size = self.style.text.font_size;
8330 match buffer_font_size {
8331 AbsoluteLength::Pixels(pixels) => {
8332 let rem_size_scale = {
8333 // Our default UI font size is 14px on a 16px base scale.
8334 // This means the default UI font size is 0.875rems.
8335 let default_font_size_scale = 14. / ui::BASE_REM_SIZE_IN_PX;
8336
8337 // We then determine the delta between a single rem and the default font
8338 // size scale.
8339 let default_font_size_delta = 1. - default_font_size_scale;
8340
8341 // Finally, we add this delta to 1rem to get the scale factor that
8342 // should be used to scale up the UI.
8343 1. + default_font_size_delta
8344 };
8345
8346 Some(pixels * rem_size_scale)
8347 }
8348 AbsoluteLength::Rems(rems) => {
8349 Some(rems.to_pixels(ui::BASE_REM_SIZE_IN_PX.into()))
8350 }
8351 }
8352 }
8353 // We currently use single-line and auto-height editors in UI contexts,
8354 // so we don't want to scale everything with the buffer font size, as it
8355 // ends up looking off.
8356 _ => None,
8357 }
8358 }
8359
8360 fn editor_with_selections(&self, cx: &App) -> Option<Entity<Editor>> {
8361 if let EditorMode::Minimap { parent } = self.editor.read(cx).mode() {
8362 parent.upgrade()
8363 } else {
8364 Some(self.editor.clone())
8365 }
8366 }
8367}
8368
8369impl Element for EditorElement {
8370 type RequestLayoutState = ();
8371 type PrepaintState = EditorLayout;
8372
8373 fn id(&self) -> Option<ElementId> {
8374 None
8375 }
8376
8377 fn source_location(&self) -> Option<&'static core::panic::Location<'static>> {
8378 None
8379 }
8380
8381 fn request_layout(
8382 &mut self,
8383 _: Option<&GlobalElementId>,
8384 _inspector_id: Option<&gpui::InspectorElementId>,
8385 window: &mut Window,
8386 cx: &mut App,
8387 ) -> (gpui::LayoutId, ()) {
8388 let rem_size = self.rem_size(cx);
8389 window.with_rem_size(rem_size, |window| {
8390 self.editor.update(cx, |editor, cx| {
8391 editor.set_style(self.style.clone(), window, cx);
8392
8393 let layout_id = match editor.mode {
8394 EditorMode::SingleLine => {
8395 let rem_size = window.rem_size();
8396 let height = self.style.text.line_height_in_pixels(rem_size);
8397 let mut style = Style::default();
8398 style.size.height = height.into();
8399 style.size.width = relative(1.).into();
8400 window.request_layout(style, None, cx)
8401 }
8402 EditorMode::AutoHeight {
8403 min_lines,
8404 max_lines,
8405 } => {
8406 let editor_handle = cx.entity();
8407 let max_line_number_width =
8408 self.max_line_number_width(&editor.snapshot(window, cx), window);
8409 window.request_measured_layout(
8410 Style::default(),
8411 move |known_dimensions, available_space, window, cx| {
8412 editor_handle
8413 .update(cx, |editor, cx| {
8414 compute_auto_height_layout(
8415 editor,
8416 min_lines,
8417 max_lines,
8418 max_line_number_width,
8419 known_dimensions,
8420 available_space.width,
8421 window,
8422 cx,
8423 )
8424 })
8425 .unwrap_or_default()
8426 },
8427 )
8428 }
8429 EditorMode::Minimap { .. } => {
8430 let mut style = Style::default();
8431 style.size.width = relative(1.).into();
8432 style.size.height = relative(1.).into();
8433 window.request_layout(style, None, cx)
8434 }
8435 EditorMode::Full {
8436 sized_by_content, ..
8437 } => {
8438 let mut style = Style::default();
8439 style.size.width = relative(1.).into();
8440 if sized_by_content {
8441 let snapshot = editor.snapshot(window, cx);
8442 let line_height =
8443 self.style.text.line_height_in_pixels(window.rem_size());
8444 let scroll_height =
8445 (snapshot.max_point().row().next_row().0 as f32) * line_height;
8446 style.size.height = scroll_height.into();
8447 } else {
8448 style.size.height = relative(1.).into();
8449 }
8450 window.request_layout(style, None, cx)
8451 }
8452 };
8453
8454 (layout_id, ())
8455 })
8456 })
8457 }
8458
8459 fn prepaint(
8460 &mut self,
8461 _: Option<&GlobalElementId>,
8462 _inspector_id: Option<&gpui::InspectorElementId>,
8463 bounds: Bounds<Pixels>,
8464 _: &mut Self::RequestLayoutState,
8465 window: &mut Window,
8466 cx: &mut App,
8467 ) -> Self::PrepaintState {
8468 let text_style = TextStyleRefinement {
8469 font_size: Some(self.style.text.font_size),
8470 line_height: Some(self.style.text.line_height),
8471 ..Default::default()
8472 };
8473
8474 let is_minimap = self.editor.read(cx).mode.is_minimap();
8475
8476 if !is_minimap {
8477 let focus_handle = self.editor.focus_handle(cx);
8478 window.set_view_id(self.editor.entity_id());
8479 window.set_focus_handle(&focus_handle, cx);
8480 }
8481
8482 let rem_size = self.rem_size(cx);
8483 window.with_rem_size(rem_size, |window| {
8484 window.with_text_style(Some(text_style), |window| {
8485 window.with_content_mask(Some(ContentMask { bounds }), |window| {
8486 let (mut snapshot, is_read_only) = self.editor.update(cx, |editor, cx| {
8487 (editor.snapshot(window, cx), editor.read_only(cx))
8488 });
8489 let style = &self.style;
8490
8491 let rem_size = window.rem_size();
8492 let font_id = window.text_system().resolve_font(&style.text.font());
8493 let font_size = style.text.font_size.to_pixels(rem_size);
8494 let line_height = style.text.line_height_in_pixels(rem_size);
8495 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
8496 let em_advance = window.text_system().em_advance(font_id, font_size).unwrap();
8497 let glyph_grid_cell = size(em_advance, line_height);
8498
8499 let gutter_dimensions = snapshot
8500 .gutter_dimensions(
8501 font_id,
8502 font_size,
8503 self.max_line_number_width(&snapshot, window),
8504 cx,
8505 )
8506 .or_else(|| {
8507 self.editor.read(cx).offset_content.then(|| {
8508 GutterDimensions::default_with_margin(font_id, font_size, cx)
8509 })
8510 })
8511 .unwrap_or_default();
8512 let text_width = bounds.size.width - gutter_dimensions.width;
8513
8514 let settings = EditorSettings::get_global(cx);
8515 let scrollbars_shown = settings.scrollbar.show != ShowScrollbar::Never;
8516 let vertical_scrollbar_width = (scrollbars_shown
8517 && settings.scrollbar.axes.vertical
8518 && self.editor.read(cx).show_scrollbars.vertical)
8519 .then_some(style.scrollbar_width)
8520 .unwrap_or_default();
8521 let minimap_width = self
8522 .get_minimap_width(
8523 &settings.minimap,
8524 scrollbars_shown,
8525 text_width,
8526 em_width,
8527 font_size,
8528 rem_size,
8529 cx,
8530 )
8531 .unwrap_or_default();
8532
8533 let right_margin = minimap_width + vertical_scrollbar_width;
8534
8535 let editor_width =
8536 text_width - gutter_dimensions.margin - 2 * em_width - right_margin;
8537 let editor_margins = EditorMargins {
8538 gutter: gutter_dimensions,
8539 right: right_margin,
8540 };
8541
8542 snapshot = self.editor.update(cx, |editor, cx| {
8543 editor.last_bounds = Some(bounds);
8544 editor.gutter_dimensions = gutter_dimensions;
8545 editor.set_visible_line_count(
8546 (bounds.size.height / line_height) as f64,
8547 window,
8548 cx,
8549 );
8550 editor.set_visible_column_count(f64::from(editor_width / em_advance));
8551
8552 if matches!(
8553 editor.mode,
8554 EditorMode::AutoHeight { .. } | EditorMode::Minimap { .. }
8555 ) {
8556 snapshot
8557 } else {
8558 let wrap_width_for = |column: u32| (column as f32 * em_advance).ceil();
8559 let wrap_width = match editor.soft_wrap_mode(cx) {
8560 SoftWrap::GitDiff => None,
8561 SoftWrap::None => Some(wrap_width_for(MAX_LINE_LEN as u32 / 2)),
8562 SoftWrap::EditorWidth => Some(editor_width),
8563 SoftWrap::Column(column) => Some(wrap_width_for(column)),
8564 SoftWrap::Bounded(column) => {
8565 Some(editor_width.min(wrap_width_for(column)))
8566 }
8567 };
8568
8569 if editor.set_wrap_width(wrap_width, cx) {
8570 editor.snapshot(window, cx)
8571 } else {
8572 snapshot
8573 }
8574 }
8575 });
8576
8577 let hitbox = window.insert_hitbox(bounds, HitboxBehavior::Normal);
8578 let gutter_hitbox = window.insert_hitbox(
8579 gutter_bounds(bounds, gutter_dimensions),
8580 HitboxBehavior::Normal,
8581 );
8582 let text_hitbox = window.insert_hitbox(
8583 Bounds {
8584 origin: gutter_hitbox.top_right(),
8585 size: size(text_width, bounds.size.height),
8586 },
8587 HitboxBehavior::Normal,
8588 );
8589
8590 // Offset the content_bounds from the text_bounds by the gutter margin (which
8591 // is roughly half a character wide) to make hit testing work more like how we want.
8592 let content_offset = point(editor_margins.gutter.margin, Pixels::ZERO);
8593 let content_origin = text_hitbox.origin + content_offset;
8594
8595 let height_in_lines = f64::from(bounds.size.height / line_height);
8596 let max_row = snapshot.max_point().row().as_f64();
8597
8598 // The max scroll position for the top of the window
8599 let max_scroll_top = if matches!(
8600 snapshot.mode,
8601 EditorMode::SingleLine
8602 | EditorMode::AutoHeight { .. }
8603 | EditorMode::Full {
8604 sized_by_content: true,
8605 ..
8606 }
8607 ) {
8608 (max_row - height_in_lines + 1.).max(0.)
8609 } else {
8610 let settings = EditorSettings::get_global(cx);
8611 match settings.scroll_beyond_last_line {
8612 ScrollBeyondLastLine::OnePage => max_row,
8613 ScrollBeyondLastLine::Off => (max_row - height_in_lines + 1.).max(0.),
8614 ScrollBeyondLastLine::VerticalScrollMargin => {
8615 (max_row - height_in_lines + 1. + settings.vertical_scroll_margin)
8616 .max(0.)
8617 }
8618 }
8619 };
8620
8621 let (
8622 autoscroll_request,
8623 autoscroll_containing_element,
8624 needs_horizontal_autoscroll,
8625 ) = self.editor.update(cx, |editor, cx| {
8626 let autoscroll_request = editor.scroll_manager.take_autoscroll_request();
8627
8628 let autoscroll_containing_element =
8629 autoscroll_request.is_some() || editor.has_pending_selection();
8630
8631 let (needs_horizontal_autoscroll, was_scrolled) = editor
8632 .autoscroll_vertically(
8633 bounds,
8634 line_height,
8635 max_scroll_top,
8636 autoscroll_request,
8637 window,
8638 cx,
8639 );
8640 if was_scrolled.0 {
8641 snapshot = editor.snapshot(window, cx);
8642 }
8643 (
8644 autoscroll_request,
8645 autoscroll_containing_element,
8646 needs_horizontal_autoscroll,
8647 )
8648 });
8649
8650 let mut scroll_position = snapshot.scroll_position();
8651 // The scroll position is a fractional point, the whole number of which represents
8652 // the top of the window in terms of display rows.
8653 let start_row = DisplayRow(scroll_position.y as u32);
8654 let max_row = snapshot.max_point().row();
8655 let end_row = cmp::min(
8656 (scroll_position.y + height_in_lines).ceil() as u32,
8657 max_row.next_row().0,
8658 );
8659 let end_row = DisplayRow(end_row);
8660
8661 let row_infos = snapshot
8662 .row_infos(start_row)
8663 .take((start_row..end_row).len())
8664 .collect::<Vec<RowInfo>>();
8665 let is_row_soft_wrapped = |row: usize| {
8666 row_infos
8667 .get(row)
8668 .is_none_or(|info| info.buffer_row.is_none())
8669 };
8670
8671 let start_anchor = if start_row == Default::default() {
8672 Anchor::min()
8673 } else {
8674 snapshot.buffer_snapshot().anchor_before(
8675 DisplayPoint::new(start_row, 0).to_offset(&snapshot, Bias::Left),
8676 )
8677 };
8678 let end_anchor = if end_row > max_row {
8679 Anchor::max()
8680 } else {
8681 snapshot.buffer_snapshot().anchor_before(
8682 DisplayPoint::new(end_row, 0).to_offset(&snapshot, Bias::Right),
8683 )
8684 };
8685
8686 let mut highlighted_rows = self
8687 .editor
8688 .update(cx, |editor, cx| editor.highlighted_display_rows(window, cx));
8689
8690 let is_light = cx.theme().appearance().is_light();
8691
8692 for (ix, row_info) in row_infos.iter().enumerate() {
8693 let Some(diff_status) = row_info.diff_status else {
8694 continue;
8695 };
8696
8697 let background_color = match diff_status.kind {
8698 DiffHunkStatusKind::Added => cx.theme().colors().version_control_added,
8699 DiffHunkStatusKind::Deleted => {
8700 cx.theme().colors().version_control_deleted
8701 }
8702 DiffHunkStatusKind::Modified => {
8703 debug_panic!("modified diff status for row info");
8704 continue;
8705 }
8706 };
8707
8708 let hunk_opacity = if is_light { 0.16 } else { 0.12 };
8709
8710 let hollow_highlight = LineHighlight {
8711 background: (background_color.opacity(if is_light {
8712 0.08
8713 } else {
8714 0.06
8715 }))
8716 .into(),
8717 border: Some(if is_light {
8718 background_color.opacity(0.48)
8719 } else {
8720 background_color.opacity(0.36)
8721 }),
8722 include_gutter: true,
8723 type_id: None,
8724 };
8725
8726 let filled_highlight = LineHighlight {
8727 background: solid_background(background_color.opacity(hunk_opacity)),
8728 border: None,
8729 include_gutter: true,
8730 type_id: None,
8731 };
8732
8733 let background = if Self::diff_hunk_hollow(diff_status, cx) {
8734 hollow_highlight
8735 } else {
8736 filled_highlight
8737 };
8738
8739 highlighted_rows
8740 .entry(start_row + DisplayRow(ix as u32))
8741 .or_insert(background);
8742 }
8743
8744 let highlighted_ranges = self
8745 .editor_with_selections(cx)
8746 .map(|editor| {
8747 editor.read(cx).background_highlights_in_range(
8748 start_anchor..end_anchor,
8749 &snapshot.display_snapshot,
8750 cx.theme(),
8751 )
8752 })
8753 .unwrap_or_default();
8754 let highlighted_gutter_ranges =
8755 self.editor.read(cx).gutter_highlights_in_range(
8756 start_anchor..end_anchor,
8757 &snapshot.display_snapshot,
8758 cx,
8759 );
8760
8761 let document_colors = self
8762 .editor
8763 .read(cx)
8764 .colors
8765 .as_ref()
8766 .map(|colors| colors.editor_display_highlights(&snapshot));
8767 let redacted_ranges = self.editor.read(cx).redacted_ranges(
8768 start_anchor..end_anchor,
8769 &snapshot.display_snapshot,
8770 cx,
8771 );
8772
8773 let (local_selections, selected_buffer_ids): (
8774 Vec<Selection<Point>>,
8775 Vec<BufferId>,
8776 ) = self
8777 .editor_with_selections(cx)
8778 .map(|editor| {
8779 editor.update(cx, |editor, cx| {
8780 let all_selections = editor.selections.all::<Point>(cx);
8781 let selected_buffer_ids =
8782 if editor.buffer_kind(cx) == ItemBufferKind::Singleton {
8783 Vec::new()
8784 } else {
8785 let mut selected_buffer_ids =
8786 Vec::with_capacity(all_selections.len());
8787
8788 for selection in all_selections {
8789 for buffer_id in snapshot
8790 .buffer_snapshot()
8791 .buffer_ids_for_range(selection.range())
8792 {
8793 if selected_buffer_ids.last() != Some(&buffer_id) {
8794 selected_buffer_ids.push(buffer_id);
8795 }
8796 }
8797 }
8798
8799 selected_buffer_ids
8800 };
8801
8802 let mut selections = editor
8803 .selections
8804 .disjoint_in_range(start_anchor..end_anchor, cx);
8805 selections.extend(editor.selections.pending(cx));
8806
8807 (selections, selected_buffer_ids)
8808 })
8809 })
8810 .unwrap_or_default();
8811
8812 let (selections, mut active_rows, newest_selection_head) = self
8813 .layout_selections(
8814 start_anchor,
8815 end_anchor,
8816 &local_selections,
8817 &snapshot,
8818 start_row,
8819 end_row,
8820 window,
8821 cx,
8822 );
8823 let mut breakpoint_rows = self.editor.update(cx, |editor, cx| {
8824 editor.active_breakpoints(start_row..end_row, window, cx)
8825 });
8826 for (display_row, (_, bp, state)) in &breakpoint_rows {
8827 if bp.is_enabled() && state.is_none_or(|s| s.verified) {
8828 active_rows.entry(*display_row).or_default().breakpoint = true;
8829 }
8830 }
8831
8832 let line_numbers = self.layout_line_numbers(
8833 Some(&gutter_hitbox),
8834 gutter_dimensions,
8835 line_height,
8836 scroll_position,
8837 start_row..end_row,
8838 &row_infos,
8839 &active_rows,
8840 newest_selection_head,
8841 &snapshot,
8842 window,
8843 cx,
8844 );
8845
8846 // We add the gutter breakpoint indicator to breakpoint_rows after painting
8847 // line numbers so we don't paint a line number debug accent color if a user
8848 // has their mouse over that line when a breakpoint isn't there
8849 self.editor.update(cx, |editor, _| {
8850 if let Some(phantom_breakpoint) = &mut editor
8851 .gutter_breakpoint_indicator
8852 .0
8853 .filter(|phantom_breakpoint| phantom_breakpoint.is_active)
8854 {
8855 // Is there a non-phantom breakpoint on this line?
8856 phantom_breakpoint.collides_with_existing_breakpoint = true;
8857 breakpoint_rows
8858 .entry(phantom_breakpoint.display_row)
8859 .or_insert_with(|| {
8860 let position = snapshot.display_point_to_anchor(
8861 DisplayPoint::new(phantom_breakpoint.display_row, 0),
8862 Bias::Right,
8863 );
8864 let breakpoint = Breakpoint::new_standard();
8865 phantom_breakpoint.collides_with_existing_breakpoint = false;
8866 (position, breakpoint, None)
8867 });
8868 }
8869 });
8870
8871 let mut expand_toggles =
8872 window.with_element_namespace("expand_toggles", |window| {
8873 self.layout_expand_toggles(
8874 &gutter_hitbox,
8875 gutter_dimensions,
8876 em_width,
8877 line_height,
8878 scroll_position,
8879 &row_infos,
8880 window,
8881 cx,
8882 )
8883 });
8884
8885 let mut crease_toggles =
8886 window.with_element_namespace("crease_toggles", |window| {
8887 self.layout_crease_toggles(
8888 start_row..end_row,
8889 &row_infos,
8890 &active_rows,
8891 &snapshot,
8892 window,
8893 cx,
8894 )
8895 });
8896 let crease_trailers =
8897 window.with_element_namespace("crease_trailers", |window| {
8898 self.layout_crease_trailers(
8899 row_infos.iter().copied(),
8900 &snapshot,
8901 window,
8902 cx,
8903 )
8904 });
8905
8906 let display_hunks = self.layout_gutter_diff_hunks(
8907 line_height,
8908 &gutter_hitbox,
8909 start_row..end_row,
8910 &snapshot,
8911 window,
8912 cx,
8913 );
8914
8915 let bg_segments_per_row = Self::bg_segments_per_row(
8916 start_row..end_row,
8917 &selections,
8918 &highlighted_ranges,
8919 self.style.background,
8920 );
8921
8922 let mut line_layouts = Self::layout_lines(
8923 start_row..end_row,
8924 &snapshot,
8925 &self.style,
8926 editor_width,
8927 is_row_soft_wrapped,
8928 &bg_segments_per_row,
8929 window,
8930 cx,
8931 );
8932 let new_renderer_widths = (!is_minimap).then(|| {
8933 line_layouts
8934 .iter()
8935 .flat_map(|layout| &layout.fragments)
8936 .filter_map(|fragment| {
8937 if let LineFragment::Element { id, size, .. } = fragment {
8938 Some((*id, size.width))
8939 } else {
8940 None
8941 }
8942 })
8943 });
8944 if new_renderer_widths.is_some_and(|new_renderer_widths| {
8945 self.editor.update(cx, |editor, cx| {
8946 editor.update_renderer_widths(new_renderer_widths, cx)
8947 })
8948 }) {
8949 // If the fold widths have changed, we need to prepaint
8950 // the element again to account for any changes in
8951 // wrapping.
8952 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
8953 }
8954
8955 let longest_line_blame_width = self
8956 .editor
8957 .update(cx, |editor, cx| {
8958 if !editor.show_git_blame_inline {
8959 return None;
8960 }
8961 let blame = editor.blame.as_ref()?;
8962 let (_, blame_entry) = blame
8963 .update(cx, |blame, cx| {
8964 let row_infos =
8965 snapshot.row_infos(snapshot.longest_row()).next()?;
8966 blame.blame_for_rows(&[row_infos], cx).next()
8967 })
8968 .flatten()?;
8969 let mut element = render_inline_blame_entry(blame_entry, style, cx)?;
8970 let inline_blame_padding =
8971 ProjectSettings::get_global(cx).git.inline_blame.padding as f32
8972 * em_advance;
8973 Some(
8974 element
8975 .layout_as_root(AvailableSpace::min_size(), window, cx)
8976 .width
8977 + inline_blame_padding,
8978 )
8979 })
8980 .unwrap_or(Pixels::ZERO);
8981
8982 let longest_line_width = layout_line(
8983 snapshot.longest_row(),
8984 &snapshot,
8985 style,
8986 editor_width,
8987 is_row_soft_wrapped,
8988 window,
8989 cx,
8990 )
8991 .width;
8992
8993 let scrollbar_layout_information = ScrollbarLayoutInformation::new(
8994 text_hitbox.bounds,
8995 glyph_grid_cell,
8996 size(
8997 longest_line_width,
8998 Pixels::from(max_row.as_f64() * f64::from(line_height)),
8999 ),
9000 longest_line_blame_width,
9001 EditorSettings::get_global(cx),
9002 );
9003
9004 let mut scroll_width = scrollbar_layout_information.scroll_range.width;
9005
9006 let sticky_header_excerpt = if snapshot.buffer_snapshot().show_headers() {
9007 snapshot.sticky_header_excerpt(scroll_position.y)
9008 } else {
9009 None
9010 };
9011 let sticky_header_excerpt_id =
9012 sticky_header_excerpt.as_ref().map(|top| top.excerpt.id);
9013
9014 let blocks = (!is_minimap)
9015 .then(|| {
9016 window.with_element_namespace("blocks", |window| {
9017 self.render_blocks(
9018 start_row..end_row,
9019 &snapshot,
9020 &hitbox,
9021 &text_hitbox,
9022 editor_width,
9023 &mut scroll_width,
9024 &editor_margins,
9025 em_width,
9026 gutter_dimensions.full_width(),
9027 line_height,
9028 &mut line_layouts,
9029 &local_selections,
9030 &selected_buffer_ids,
9031 is_row_soft_wrapped,
9032 sticky_header_excerpt_id,
9033 window,
9034 cx,
9035 )
9036 })
9037 })
9038 .unwrap_or_else(|| Ok((Vec::default(), HashMap::default())));
9039 let (mut blocks, row_block_types) = match blocks {
9040 Ok(blocks) => blocks,
9041 Err(resized_blocks) => {
9042 self.editor.update(cx, |editor, cx| {
9043 editor.resize_blocks(
9044 resized_blocks,
9045 autoscroll_request.map(|(autoscroll, _)| autoscroll),
9046 cx,
9047 )
9048 });
9049 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
9050 }
9051 };
9052
9053 let sticky_buffer_header = sticky_header_excerpt.map(|sticky_header_excerpt| {
9054 window.with_element_namespace("blocks", |window| {
9055 self.layout_sticky_buffer_header(
9056 sticky_header_excerpt,
9057 scroll_position,
9058 line_height,
9059 right_margin,
9060 &snapshot,
9061 &hitbox,
9062 &selected_buffer_ids,
9063 &blocks,
9064 window,
9065 cx,
9066 )
9067 })
9068 });
9069
9070 let start_buffer_row =
9071 MultiBufferRow(start_anchor.to_point(&snapshot.buffer_snapshot()).row);
9072 let end_buffer_row =
9073 MultiBufferRow(end_anchor.to_point(&snapshot.buffer_snapshot()).row);
9074
9075 let scroll_max: gpui::Point<ScrollPixelOffset> = point(
9076 ScrollPixelOffset::from(
9077 ((scroll_width - editor_width) / em_advance).max(0.0),
9078 ),
9079 max_scroll_top,
9080 );
9081
9082 self.editor.update(cx, |editor, cx| {
9083 if editor.scroll_manager.clamp_scroll_left(scroll_max.x) {
9084 scroll_position.x = scroll_position.x.min(scroll_max.x);
9085 }
9086
9087 if needs_horizontal_autoscroll.0
9088 && let Some(new_scroll_position) = editor.autoscroll_horizontally(
9089 start_row,
9090 editor_width,
9091 scroll_width,
9092 em_advance,
9093 &line_layouts,
9094 autoscroll_request,
9095 window,
9096 cx,
9097 )
9098 {
9099 scroll_position = new_scroll_position;
9100 }
9101 });
9102
9103 let scroll_pixel_position = point(
9104 scroll_position.x * f64::from(em_advance),
9105 scroll_position.y * f64::from(line_height),
9106 );
9107 let indent_guides = self.layout_indent_guides(
9108 content_origin,
9109 text_hitbox.origin,
9110 start_buffer_row..end_buffer_row,
9111 scroll_pixel_position,
9112 line_height,
9113 &snapshot,
9114 window,
9115 cx,
9116 );
9117
9118 let crease_trailers =
9119 window.with_element_namespace("crease_trailers", |window| {
9120 self.prepaint_crease_trailers(
9121 crease_trailers,
9122 &line_layouts,
9123 line_height,
9124 content_origin,
9125 scroll_pixel_position,
9126 em_width,
9127 window,
9128 cx,
9129 )
9130 });
9131
9132 let (edit_prediction_popover, edit_prediction_popover_origin) = self
9133 .editor
9134 .update(cx, |editor, cx| {
9135 editor.render_edit_prediction_popover(
9136 &text_hitbox.bounds,
9137 content_origin,
9138 right_margin,
9139 &snapshot,
9140 start_row..end_row,
9141 scroll_position.y,
9142 scroll_position.y + height_in_lines,
9143 &line_layouts,
9144 line_height,
9145 scroll_position,
9146 scroll_pixel_position,
9147 newest_selection_head,
9148 editor_width,
9149 style,
9150 window,
9151 cx,
9152 )
9153 })
9154 .unzip();
9155
9156 let mut inline_diagnostics = self.layout_inline_diagnostics(
9157 &line_layouts,
9158 &crease_trailers,
9159 &row_block_types,
9160 content_origin,
9161 scroll_position,
9162 scroll_pixel_position,
9163 edit_prediction_popover_origin,
9164 start_row,
9165 end_row,
9166 line_height,
9167 em_width,
9168 style,
9169 window,
9170 cx,
9171 );
9172
9173 let mut inline_blame_layout = None;
9174 let mut inline_code_actions = None;
9175 if let Some(newest_selection_head) = newest_selection_head {
9176 let display_row = newest_selection_head.row();
9177 if (start_row..end_row).contains(&display_row)
9178 && !row_block_types.contains_key(&display_row)
9179 {
9180 inline_code_actions = self.layout_inline_code_actions(
9181 newest_selection_head,
9182 content_origin,
9183 scroll_position,
9184 scroll_pixel_position,
9185 line_height,
9186 &snapshot,
9187 window,
9188 cx,
9189 );
9190
9191 let line_ix = display_row.minus(start_row) as usize;
9192 if let (Some(row_info), Some(line_layout), Some(crease_trailer)) = (
9193 row_infos.get(line_ix),
9194 line_layouts.get(line_ix),
9195 crease_trailers.get(line_ix),
9196 ) {
9197 let crease_trailer_layout = crease_trailer.as_ref();
9198 if let Some(layout) = self.layout_inline_blame(
9199 display_row,
9200 row_info,
9201 line_layout,
9202 crease_trailer_layout,
9203 em_width,
9204 content_origin,
9205 scroll_position,
9206 scroll_pixel_position,
9207 line_height,
9208 &text_hitbox,
9209 window,
9210 cx,
9211 ) {
9212 inline_blame_layout = Some(layout);
9213 // Blame overrides inline diagnostics
9214 inline_diagnostics.remove(&display_row);
9215 }
9216 } else {
9217 log::error!(
9218 "bug: line_ix {} is out of bounds - row_infos.len(): {}, \
9219 line_layouts.len(): {}, \
9220 crease_trailers.len(): {}",
9221 line_ix,
9222 row_infos.len(),
9223 line_layouts.len(),
9224 crease_trailers.len(),
9225 );
9226 }
9227 }
9228 }
9229
9230 let blamed_display_rows = self.layout_blame_entries(
9231 &row_infos,
9232 em_width,
9233 scroll_position,
9234 line_height,
9235 &gutter_hitbox,
9236 gutter_dimensions.git_blame_entries_width,
9237 window,
9238 cx,
9239 );
9240
9241 let line_elements = self.prepaint_lines(
9242 start_row,
9243 &mut line_layouts,
9244 line_height,
9245 scroll_position,
9246 scroll_pixel_position,
9247 content_origin,
9248 window,
9249 cx,
9250 );
9251
9252 window.with_element_namespace("blocks", |window| {
9253 self.layout_blocks(
9254 &mut blocks,
9255 &hitbox,
9256 line_height,
9257 scroll_position,
9258 scroll_pixel_position,
9259 window,
9260 cx,
9261 );
9262 });
9263
9264 let cursors = self.collect_cursors(&snapshot, cx);
9265 let visible_row_range = start_row..end_row;
9266 let non_visible_cursors = cursors
9267 .iter()
9268 .any(|c| !visible_row_range.contains(&c.0.row()));
9269
9270 let visible_cursors = self.layout_visible_cursors(
9271 &snapshot,
9272 &selections,
9273 &row_block_types,
9274 start_row..end_row,
9275 &line_layouts,
9276 &text_hitbox,
9277 content_origin,
9278 scroll_position,
9279 scroll_pixel_position,
9280 line_height,
9281 em_width,
9282 em_advance,
9283 autoscroll_containing_element,
9284 window,
9285 cx,
9286 );
9287
9288 let scrollbars_layout = self.layout_scrollbars(
9289 &snapshot,
9290 &scrollbar_layout_information,
9291 content_offset,
9292 scroll_position,
9293 non_visible_cursors,
9294 right_margin,
9295 editor_width,
9296 window,
9297 cx,
9298 );
9299
9300 let gutter_settings = EditorSettings::get_global(cx).gutter;
9301
9302 let context_menu_layout =
9303 if let Some(newest_selection_head) = newest_selection_head {
9304 let newest_selection_point =
9305 newest_selection_head.to_point(&snapshot.display_snapshot);
9306 if (start_row..end_row).contains(&newest_selection_head.row()) {
9307 self.layout_cursor_popovers(
9308 line_height,
9309 &text_hitbox,
9310 content_origin,
9311 right_margin,
9312 start_row,
9313 scroll_pixel_position,
9314 &line_layouts,
9315 newest_selection_head,
9316 newest_selection_point,
9317 style,
9318 window,
9319 cx,
9320 )
9321 } else {
9322 None
9323 }
9324 } else {
9325 None
9326 };
9327
9328 self.layout_gutter_menu(
9329 line_height,
9330 &text_hitbox,
9331 content_origin,
9332 right_margin,
9333 scroll_pixel_position,
9334 gutter_dimensions.width - gutter_dimensions.left_padding,
9335 window,
9336 cx,
9337 );
9338
9339 let test_indicators = if gutter_settings.runnables {
9340 self.layout_run_indicators(
9341 line_height,
9342 start_row..end_row,
9343 &row_infos,
9344 scroll_position,
9345 &gutter_dimensions,
9346 &gutter_hitbox,
9347 &display_hunks,
9348 &snapshot,
9349 &mut breakpoint_rows,
9350 window,
9351 cx,
9352 )
9353 } else {
9354 Vec::new()
9355 };
9356
9357 let show_breakpoints = snapshot
9358 .show_breakpoints
9359 .unwrap_or(gutter_settings.breakpoints);
9360 let breakpoints = if show_breakpoints {
9361 self.layout_breakpoints(
9362 line_height,
9363 start_row..end_row,
9364 scroll_position,
9365 &gutter_dimensions,
9366 &gutter_hitbox,
9367 &display_hunks,
9368 &snapshot,
9369 breakpoint_rows,
9370 &row_infos,
9371 window,
9372 cx,
9373 )
9374 } else {
9375 Vec::new()
9376 };
9377
9378 self.layout_signature_help(
9379 &hitbox,
9380 content_origin,
9381 scroll_pixel_position,
9382 newest_selection_head,
9383 start_row,
9384 &line_layouts,
9385 line_height,
9386 em_width,
9387 context_menu_layout,
9388 window,
9389 cx,
9390 );
9391
9392 if !cx.has_active_drag() {
9393 self.layout_hover_popovers(
9394 &snapshot,
9395 &hitbox,
9396 start_row..end_row,
9397 content_origin,
9398 scroll_pixel_position,
9399 &line_layouts,
9400 line_height,
9401 em_width,
9402 context_menu_layout,
9403 window,
9404 cx,
9405 );
9406 }
9407
9408 let mouse_context_menu = self.layout_mouse_context_menu(
9409 &snapshot,
9410 start_row..end_row,
9411 content_origin,
9412 window,
9413 cx,
9414 );
9415
9416 window.with_element_namespace("crease_toggles", |window| {
9417 self.prepaint_crease_toggles(
9418 &mut crease_toggles,
9419 line_height,
9420 &gutter_dimensions,
9421 gutter_settings,
9422 scroll_pixel_position,
9423 &gutter_hitbox,
9424 window,
9425 cx,
9426 )
9427 });
9428
9429 window.with_element_namespace("expand_toggles", |window| {
9430 self.prepaint_expand_toggles(&mut expand_toggles, window, cx)
9431 });
9432
9433 let wrap_guides = self.layout_wrap_guides(
9434 em_advance,
9435 scroll_position,
9436 content_origin,
9437 scrollbars_layout.as_ref(),
9438 vertical_scrollbar_width,
9439 &hitbox,
9440 window,
9441 cx,
9442 );
9443
9444 let minimap = window.with_element_namespace("minimap", |window| {
9445 self.layout_minimap(
9446 &snapshot,
9447 minimap_width,
9448 scroll_position,
9449 &scrollbar_layout_information,
9450 scrollbars_layout.as_ref(),
9451 window,
9452 cx,
9453 )
9454 });
9455
9456 let invisible_symbol_font_size = font_size / 2.;
9457 let whitespace_map = &self
9458 .editor
9459 .read(cx)
9460 .buffer
9461 .read(cx)
9462 .language_settings(cx)
9463 .whitespace_map;
9464
9465 let tab_char = whitespace_map.tab.clone();
9466 let tab_len = tab_char.len();
9467 let tab_invisible = window.text_system().shape_line(
9468 tab_char,
9469 invisible_symbol_font_size,
9470 &[TextRun {
9471 len: tab_len,
9472 font: self.style.text.font(),
9473 color: cx.theme().colors().editor_invisible,
9474 background_color: None,
9475 underline: None,
9476 strikethrough: None,
9477 }],
9478 None,
9479 );
9480
9481 let space_char = whitespace_map.space.clone();
9482 let space_len = space_char.len();
9483 let space_invisible = window.text_system().shape_line(
9484 space_char,
9485 invisible_symbol_font_size,
9486 &[TextRun {
9487 len: space_len,
9488 font: self.style.text.font(),
9489 color: cx.theme().colors().editor_invisible,
9490 background_color: None,
9491 underline: None,
9492 strikethrough: None,
9493 }],
9494 None,
9495 );
9496
9497 let mode = snapshot.mode.clone();
9498
9499 let (diff_hunk_controls, diff_hunk_control_bounds) = if is_read_only {
9500 (vec![], vec![])
9501 } else {
9502 self.layout_diff_hunk_controls(
9503 start_row..end_row,
9504 &row_infos,
9505 &text_hitbox,
9506 newest_selection_head,
9507 line_height,
9508 right_margin,
9509 scroll_pixel_position,
9510 &display_hunks,
9511 &highlighted_rows,
9512 self.editor.clone(),
9513 window,
9514 cx,
9515 )
9516 };
9517
9518 let position_map = Rc::new(PositionMap {
9519 size: bounds.size,
9520 visible_row_range,
9521 scroll_position,
9522 scroll_pixel_position,
9523 scroll_max,
9524 line_layouts,
9525 line_height,
9526 em_width,
9527 em_advance,
9528 snapshot,
9529 gutter_hitbox: gutter_hitbox.clone(),
9530 text_hitbox: text_hitbox.clone(),
9531 inline_blame_bounds: inline_blame_layout
9532 .as_ref()
9533 .map(|layout| (layout.bounds, layout.buffer_id, layout.entry.clone())),
9534 display_hunks: display_hunks.clone(),
9535 diff_hunk_control_bounds,
9536 });
9537
9538 self.editor.update(cx, |editor, _| {
9539 editor.last_position_map = Some(position_map.clone())
9540 });
9541
9542 EditorLayout {
9543 mode,
9544 position_map,
9545 visible_display_row_range: start_row..end_row,
9546 wrap_guides,
9547 indent_guides,
9548 hitbox,
9549 gutter_hitbox,
9550 display_hunks,
9551 content_origin,
9552 scrollbars_layout,
9553 minimap,
9554 active_rows,
9555 highlighted_rows,
9556 highlighted_ranges,
9557 highlighted_gutter_ranges,
9558 redacted_ranges,
9559 document_colors,
9560 line_elements,
9561 line_numbers,
9562 blamed_display_rows,
9563 inline_diagnostics,
9564 inline_blame_layout,
9565 inline_code_actions,
9566 blocks,
9567 cursors,
9568 visible_cursors,
9569 selections,
9570 edit_prediction_popover,
9571 diff_hunk_controls,
9572 mouse_context_menu,
9573 test_indicators,
9574 breakpoints,
9575 crease_toggles,
9576 crease_trailers,
9577 tab_invisible,
9578 space_invisible,
9579 sticky_buffer_header,
9580 expand_toggles,
9581 }
9582 })
9583 })
9584 })
9585 }
9586
9587 fn paint(
9588 &mut self,
9589 _: Option<&GlobalElementId>,
9590 _inspector_id: Option<&gpui::InspectorElementId>,
9591 bounds: Bounds<gpui::Pixels>,
9592 _: &mut Self::RequestLayoutState,
9593 layout: &mut Self::PrepaintState,
9594 window: &mut Window,
9595 cx: &mut App,
9596 ) {
9597 if !layout.mode.is_minimap() {
9598 let focus_handle = self.editor.focus_handle(cx);
9599 let key_context = self
9600 .editor
9601 .update(cx, |editor, cx| editor.key_context(window, cx));
9602
9603 window.set_key_context(key_context);
9604 window.handle_input(
9605 &focus_handle,
9606 ElementInputHandler::new(bounds, self.editor.clone()),
9607 cx,
9608 );
9609 self.register_actions(window, cx);
9610 self.register_key_listeners(window, cx, layout);
9611 }
9612
9613 let text_style = TextStyleRefinement {
9614 font_size: Some(self.style.text.font_size),
9615 line_height: Some(self.style.text.line_height),
9616 ..Default::default()
9617 };
9618 let rem_size = self.rem_size(cx);
9619 window.with_rem_size(rem_size, |window| {
9620 window.with_text_style(Some(text_style), |window| {
9621 window.with_content_mask(Some(ContentMask { bounds }), |window| {
9622 self.paint_mouse_listeners(layout, window, cx);
9623 self.paint_background(layout, window, cx);
9624 self.paint_indent_guides(layout, window, cx);
9625
9626 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9627 self.paint_blamed_display_rows(layout, window, cx);
9628 self.paint_line_numbers(layout, window, cx);
9629 }
9630
9631 self.paint_text(layout, window, cx);
9632
9633 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9634 self.paint_gutter_highlights(layout, window, cx);
9635 self.paint_gutter_indicators(layout, window, cx);
9636 }
9637
9638 if !layout.blocks.is_empty() {
9639 window.with_element_namespace("blocks", |window| {
9640 self.paint_blocks(layout, window, cx);
9641 });
9642 }
9643
9644 window.with_element_namespace("blocks", |window| {
9645 if let Some(mut sticky_header) = layout.sticky_buffer_header.take() {
9646 sticky_header.paint(window, cx)
9647 }
9648 });
9649
9650 self.paint_minimap(layout, window, cx);
9651 self.paint_scrollbars(layout, window, cx);
9652 self.paint_edit_prediction_popover(layout, window, cx);
9653 self.paint_mouse_context_menu(layout, window, cx);
9654 });
9655 })
9656 })
9657 }
9658}
9659
9660pub(super) fn gutter_bounds(
9661 editor_bounds: Bounds<Pixels>,
9662 gutter_dimensions: GutterDimensions,
9663) -> Bounds<Pixels> {
9664 Bounds {
9665 origin: editor_bounds.origin,
9666 size: size(gutter_dimensions.width, editor_bounds.size.height),
9667 }
9668}
9669
9670#[derive(Clone, Copy)]
9671struct ContextMenuLayout {
9672 y_flipped: bool,
9673 bounds: Bounds<Pixels>,
9674}
9675
9676/// Holds information required for layouting the editor scrollbars.
9677struct ScrollbarLayoutInformation {
9678 /// The bounds of the editor area (excluding the content offset).
9679 editor_bounds: Bounds<Pixels>,
9680 /// The available range to scroll within the document.
9681 scroll_range: Size<Pixels>,
9682 /// The space available for one glyph in the editor.
9683 glyph_grid_cell: Size<Pixels>,
9684}
9685
9686impl ScrollbarLayoutInformation {
9687 pub fn new(
9688 editor_bounds: Bounds<Pixels>,
9689 glyph_grid_cell: Size<Pixels>,
9690 document_size: Size<Pixels>,
9691 longest_line_blame_width: Pixels,
9692 settings: &EditorSettings,
9693 ) -> Self {
9694 let vertical_overscroll = match settings.scroll_beyond_last_line {
9695 ScrollBeyondLastLine::OnePage => editor_bounds.size.height,
9696 ScrollBeyondLastLine::Off => glyph_grid_cell.height,
9697 ScrollBeyondLastLine::VerticalScrollMargin => {
9698 (1.0 + settings.vertical_scroll_margin) as f32 * glyph_grid_cell.height
9699 }
9700 };
9701
9702 let overscroll = size(longest_line_blame_width, vertical_overscroll);
9703
9704 ScrollbarLayoutInformation {
9705 editor_bounds,
9706 scroll_range: document_size + overscroll,
9707 glyph_grid_cell,
9708 }
9709 }
9710}
9711
9712impl IntoElement for EditorElement {
9713 type Element = Self;
9714
9715 fn into_element(self) -> Self::Element {
9716 self
9717 }
9718}
9719
9720pub struct EditorLayout {
9721 position_map: Rc<PositionMap>,
9722 hitbox: Hitbox,
9723 gutter_hitbox: Hitbox,
9724 content_origin: gpui::Point<Pixels>,
9725 scrollbars_layout: Option<EditorScrollbars>,
9726 minimap: Option<MinimapLayout>,
9727 mode: EditorMode,
9728 wrap_guides: SmallVec<[(Pixels, bool); 2]>,
9729 indent_guides: Option<Vec<IndentGuideLayout>>,
9730 visible_display_row_range: Range<DisplayRow>,
9731 active_rows: BTreeMap<DisplayRow, LineHighlightSpec>,
9732 highlighted_rows: BTreeMap<DisplayRow, LineHighlight>,
9733 line_elements: SmallVec<[AnyElement; 1]>,
9734 line_numbers: Arc<HashMap<MultiBufferRow, LineNumberLayout>>,
9735 display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
9736 blamed_display_rows: Option<Vec<AnyElement>>,
9737 inline_diagnostics: HashMap<DisplayRow, AnyElement>,
9738 inline_blame_layout: Option<InlineBlameLayout>,
9739 inline_code_actions: Option<AnyElement>,
9740 blocks: Vec<BlockLayout>,
9741 highlighted_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9742 highlighted_gutter_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9743 redacted_ranges: Vec<Range<DisplayPoint>>,
9744 cursors: Vec<(DisplayPoint, Hsla)>,
9745 visible_cursors: Vec<CursorLayout>,
9746 selections: Vec<(PlayerColor, Vec<SelectionLayout>)>,
9747 test_indicators: Vec<AnyElement>,
9748 breakpoints: Vec<AnyElement>,
9749 crease_toggles: Vec<Option<AnyElement>>,
9750 expand_toggles: Vec<Option<(AnyElement, gpui::Point<Pixels>)>>,
9751 diff_hunk_controls: Vec<AnyElement>,
9752 crease_trailers: Vec<Option<CreaseTrailerLayout>>,
9753 edit_prediction_popover: Option<AnyElement>,
9754 mouse_context_menu: Option<AnyElement>,
9755 tab_invisible: ShapedLine,
9756 space_invisible: ShapedLine,
9757 sticky_buffer_header: Option<AnyElement>,
9758 document_colors: Option<(DocumentColorsRenderMode, Vec<(Range<DisplayPoint>, Hsla)>)>,
9759}
9760
9761impl EditorLayout {
9762 fn line_end_overshoot(&self) -> Pixels {
9763 0.15 * self.position_map.line_height
9764 }
9765}
9766
9767struct LineNumberLayout {
9768 shaped_line: ShapedLine,
9769 hitbox: Option<Hitbox>,
9770}
9771
9772struct ColoredRange<T> {
9773 start: T,
9774 end: T,
9775 color: Hsla,
9776}
9777
9778impl Along for ScrollbarAxes {
9779 type Unit = bool;
9780
9781 fn along(&self, axis: ScrollbarAxis) -> Self::Unit {
9782 match axis {
9783 ScrollbarAxis::Horizontal => self.horizontal,
9784 ScrollbarAxis::Vertical => self.vertical,
9785 }
9786 }
9787
9788 fn apply_along(&self, axis: ScrollbarAxis, f: impl FnOnce(Self::Unit) -> Self::Unit) -> Self {
9789 match axis {
9790 ScrollbarAxis::Horizontal => ScrollbarAxes {
9791 horizontal: f(self.horizontal),
9792 vertical: self.vertical,
9793 },
9794 ScrollbarAxis::Vertical => ScrollbarAxes {
9795 horizontal: self.horizontal,
9796 vertical: f(self.vertical),
9797 },
9798 }
9799 }
9800}
9801
9802#[derive(Clone)]
9803struct EditorScrollbars {
9804 pub vertical: Option<ScrollbarLayout>,
9805 pub horizontal: Option<ScrollbarLayout>,
9806 pub visible: bool,
9807}
9808
9809impl EditorScrollbars {
9810 pub fn from_scrollbar_axes(
9811 show_scrollbar: ScrollbarAxes,
9812 layout_information: &ScrollbarLayoutInformation,
9813 content_offset: gpui::Point<Pixels>,
9814 scroll_position: gpui::Point<f64>,
9815 scrollbar_width: Pixels,
9816 right_margin: Pixels,
9817 editor_width: Pixels,
9818 show_scrollbars: bool,
9819 scrollbar_state: Option<&ActiveScrollbarState>,
9820 window: &mut Window,
9821 ) -> Self {
9822 let ScrollbarLayoutInformation {
9823 editor_bounds,
9824 scroll_range,
9825 glyph_grid_cell,
9826 } = layout_information;
9827
9828 let viewport_size = size(editor_width, editor_bounds.size.height);
9829
9830 let scrollbar_bounds_for = |axis: ScrollbarAxis| match axis {
9831 ScrollbarAxis::Horizontal => Bounds::from_corner_and_size(
9832 Corner::BottomLeft,
9833 editor_bounds.bottom_left(),
9834 size(
9835 // The horizontal viewport size differs from the space available for the
9836 // horizontal scrollbar, so we have to manually stitch it together here.
9837 editor_bounds.size.width - right_margin,
9838 scrollbar_width,
9839 ),
9840 ),
9841 ScrollbarAxis::Vertical => Bounds::from_corner_and_size(
9842 Corner::TopRight,
9843 editor_bounds.top_right(),
9844 size(scrollbar_width, viewport_size.height),
9845 ),
9846 };
9847
9848 let mut create_scrollbar_layout = |axis| {
9849 let viewport_size = viewport_size.along(axis);
9850 let scroll_range = scroll_range.along(axis);
9851
9852 // We always want a vertical scrollbar track for scrollbar diagnostic visibility.
9853 (show_scrollbar.along(axis)
9854 && (axis == ScrollbarAxis::Vertical || scroll_range > viewport_size))
9855 .then(|| {
9856 ScrollbarLayout::new(
9857 window.insert_hitbox(scrollbar_bounds_for(axis), HitboxBehavior::Normal),
9858 viewport_size,
9859 scroll_range,
9860 glyph_grid_cell.along(axis),
9861 content_offset.along(axis),
9862 scroll_position.along(axis),
9863 show_scrollbars,
9864 axis,
9865 )
9866 .with_thumb_state(
9867 scrollbar_state.and_then(|state| state.thumb_state_for_axis(axis)),
9868 )
9869 })
9870 };
9871
9872 Self {
9873 vertical: create_scrollbar_layout(ScrollbarAxis::Vertical),
9874 horizontal: create_scrollbar_layout(ScrollbarAxis::Horizontal),
9875 visible: show_scrollbars,
9876 }
9877 }
9878
9879 pub fn iter_scrollbars(&self) -> impl Iterator<Item = (&ScrollbarLayout, ScrollbarAxis)> + '_ {
9880 [
9881 (&self.vertical, ScrollbarAxis::Vertical),
9882 (&self.horizontal, ScrollbarAxis::Horizontal),
9883 ]
9884 .into_iter()
9885 .filter_map(|(scrollbar, axis)| scrollbar.as_ref().map(|s| (s, axis)))
9886 }
9887
9888 /// Returns the currently hovered scrollbar axis, if any.
9889 pub fn get_hovered_axis(&self, window: &Window) -> Option<(&ScrollbarLayout, ScrollbarAxis)> {
9890 self.iter_scrollbars()
9891 .find(|s| s.0.hitbox.is_hovered(window))
9892 }
9893}
9894
9895#[derive(Clone)]
9896struct ScrollbarLayout {
9897 hitbox: Hitbox,
9898 visible_range: Range<ScrollOffset>,
9899 text_unit_size: Pixels,
9900 thumb_bounds: Option<Bounds<Pixels>>,
9901 thumb_state: ScrollbarThumbState,
9902}
9903
9904impl ScrollbarLayout {
9905 const BORDER_WIDTH: Pixels = px(1.0);
9906 const LINE_MARKER_HEIGHT: Pixels = px(2.0);
9907 const MIN_MARKER_HEIGHT: Pixels = px(5.0);
9908 const MIN_THUMB_SIZE: Pixels = px(25.0);
9909
9910 fn new(
9911 scrollbar_track_hitbox: Hitbox,
9912 viewport_size: Pixels,
9913 scroll_range: Pixels,
9914 glyph_space: Pixels,
9915 content_offset: Pixels,
9916 scroll_position: ScrollOffset,
9917 show_thumb: bool,
9918 axis: ScrollbarAxis,
9919 ) -> Self {
9920 let track_bounds = scrollbar_track_hitbox.bounds;
9921 // The length of the track available to the scrollbar thumb. We deliberately
9922 // exclude the content size here so that the thumb aligns with the content.
9923 let track_length = track_bounds.size.along(axis) - content_offset;
9924
9925 Self::new_with_hitbox_and_track_length(
9926 scrollbar_track_hitbox,
9927 track_length,
9928 viewport_size,
9929 scroll_range.into(),
9930 glyph_space,
9931 content_offset.into(),
9932 scroll_position,
9933 show_thumb,
9934 axis,
9935 )
9936 }
9937
9938 fn for_minimap(
9939 minimap_track_hitbox: Hitbox,
9940 visible_lines: f64,
9941 total_editor_lines: f64,
9942 minimap_line_height: Pixels,
9943 scroll_position: ScrollOffset,
9944 minimap_scroll_top: ScrollOffset,
9945 show_thumb: bool,
9946 ) -> Self {
9947 // The scrollbar thumb size is calculated as
9948 // (visible_content/total_content) Γ scrollbar_track_length.
9949 //
9950 // For the minimap's thumb layout, we leverage this by setting the
9951 // scrollbar track length to the entire document size (using minimap line
9952 // height). This creates a thumb that exactly represents the editor
9953 // viewport scaled to minimap proportions.
9954 //
9955 // We adjust the thumb position relative to `minimap_scroll_top` to
9956 // accommodate for the deliberately oversized track.
9957 //
9958 // This approach ensures that the minimap thumb accurately reflects the
9959 // editor's current scroll position whilst nicely synchronizing the minimap
9960 // thumb and scrollbar thumb.
9961 let scroll_range = total_editor_lines * f64::from(minimap_line_height);
9962 let viewport_size = visible_lines * f64::from(minimap_line_height);
9963
9964 let track_top_offset = -minimap_scroll_top * f64::from(minimap_line_height);
9965
9966 Self::new_with_hitbox_and_track_length(
9967 minimap_track_hitbox,
9968 Pixels::from(scroll_range),
9969 Pixels::from(viewport_size),
9970 scroll_range,
9971 minimap_line_height,
9972 track_top_offset,
9973 scroll_position,
9974 show_thumb,
9975 ScrollbarAxis::Vertical,
9976 )
9977 }
9978
9979 fn new_with_hitbox_and_track_length(
9980 scrollbar_track_hitbox: Hitbox,
9981 track_length: Pixels,
9982 viewport_size: Pixels,
9983 scroll_range: f64,
9984 glyph_space: Pixels,
9985 content_offset: ScrollOffset,
9986 scroll_position: ScrollOffset,
9987 show_thumb: bool,
9988 axis: ScrollbarAxis,
9989 ) -> Self {
9990 let text_units_per_page = f64::from(viewport_size / glyph_space);
9991 let visible_range = scroll_position..scroll_position + text_units_per_page;
9992 let total_text_units = scroll_range / f64::from(glyph_space);
9993
9994 let thumb_percentage = text_units_per_page / total_text_units;
9995 let thumb_size = Pixels::from(ScrollOffset::from(track_length) * thumb_percentage)
9996 .max(ScrollbarLayout::MIN_THUMB_SIZE)
9997 .min(track_length);
9998
9999 let text_unit_divisor = (total_text_units - text_units_per_page).max(0.);
10000
10001 let content_larger_than_viewport = text_unit_divisor > 0.;
10002
10003 let text_unit_size = if content_larger_than_viewport {
10004 Pixels::from(ScrollOffset::from(track_length - thumb_size) / text_unit_divisor)
10005 } else {
10006 glyph_space
10007 };
10008
10009 let thumb_bounds = (show_thumb && content_larger_than_viewport).then(|| {
10010 Self::thumb_bounds(
10011 &scrollbar_track_hitbox,
10012 content_offset,
10013 visible_range.start,
10014 text_unit_size,
10015 thumb_size,
10016 axis,
10017 )
10018 });
10019
10020 ScrollbarLayout {
10021 hitbox: scrollbar_track_hitbox,
10022 visible_range,
10023 text_unit_size,
10024 thumb_bounds,
10025 thumb_state: Default::default(),
10026 }
10027 }
10028
10029 fn with_thumb_state(self, thumb_state: Option<ScrollbarThumbState>) -> Self {
10030 if let Some(thumb_state) = thumb_state {
10031 Self {
10032 thumb_state,
10033 ..self
10034 }
10035 } else {
10036 self
10037 }
10038 }
10039
10040 fn thumb_bounds(
10041 scrollbar_track: &Hitbox,
10042 content_offset: f64,
10043 visible_range_start: f64,
10044 text_unit_size: Pixels,
10045 thumb_size: Pixels,
10046 axis: ScrollbarAxis,
10047 ) -> Bounds<Pixels> {
10048 let thumb_origin = scrollbar_track.origin.apply_along(axis, |origin| {
10049 origin
10050 + Pixels::from(
10051 content_offset + visible_range_start * ScrollOffset::from(text_unit_size),
10052 )
10053 });
10054 Bounds::new(
10055 thumb_origin,
10056 scrollbar_track.size.apply_along(axis, |_| thumb_size),
10057 )
10058 }
10059
10060 fn thumb_hovered(&self, position: &gpui::Point<Pixels>) -> bool {
10061 self.thumb_bounds
10062 .is_some_and(|bounds| bounds.contains(position))
10063 }
10064
10065 fn marker_quads_for_ranges(
10066 &self,
10067 row_ranges: impl IntoIterator<Item = ColoredRange<DisplayRow>>,
10068 column: Option<usize>,
10069 ) -> Vec<PaintQuad> {
10070 struct MinMax {
10071 min: Pixels,
10072 max: Pixels,
10073 }
10074 let (x_range, height_limit) = if let Some(column) = column {
10075 let column_width = ((self.hitbox.size.width - Self::BORDER_WIDTH) / 3.0).floor();
10076 let start = Self::BORDER_WIDTH + (column as f32 * column_width);
10077 let end = start + column_width;
10078 (
10079 Range { start, end },
10080 MinMax {
10081 min: Self::MIN_MARKER_HEIGHT,
10082 max: px(f32::MAX),
10083 },
10084 )
10085 } else {
10086 (
10087 Range {
10088 start: Self::BORDER_WIDTH,
10089 end: self.hitbox.size.width,
10090 },
10091 MinMax {
10092 min: Self::LINE_MARKER_HEIGHT,
10093 max: Self::LINE_MARKER_HEIGHT,
10094 },
10095 )
10096 };
10097
10098 let row_to_y = |row: DisplayRow| row.as_f64() as f32 * self.text_unit_size;
10099 let mut pixel_ranges = row_ranges
10100 .into_iter()
10101 .map(|range| {
10102 let start_y = row_to_y(range.start);
10103 let end_y = row_to_y(range.end)
10104 + self
10105 .text_unit_size
10106 .max(height_limit.min)
10107 .min(height_limit.max);
10108 ColoredRange {
10109 start: start_y,
10110 end: end_y,
10111 color: range.color,
10112 }
10113 })
10114 .peekable();
10115
10116 let mut quads = Vec::new();
10117 while let Some(mut pixel_range) = pixel_ranges.next() {
10118 while let Some(next_pixel_range) = pixel_ranges.peek() {
10119 if pixel_range.end >= next_pixel_range.start - px(1.0)
10120 && pixel_range.color == next_pixel_range.color
10121 {
10122 pixel_range.end = next_pixel_range.end.max(pixel_range.end);
10123 pixel_ranges.next();
10124 } else {
10125 break;
10126 }
10127 }
10128
10129 let bounds = Bounds::from_corners(
10130 point(x_range.start, pixel_range.start),
10131 point(x_range.end, pixel_range.end),
10132 );
10133 quads.push(quad(
10134 bounds,
10135 Corners::default(),
10136 pixel_range.color,
10137 Edges::default(),
10138 Hsla::transparent_black(),
10139 BorderStyle::default(),
10140 ));
10141 }
10142
10143 quads
10144 }
10145}
10146
10147struct MinimapLayout {
10148 pub minimap: AnyElement,
10149 pub thumb_layout: ScrollbarLayout,
10150 pub minimap_scroll_top: ScrollOffset,
10151 pub minimap_line_height: Pixels,
10152 pub thumb_border_style: MinimapThumbBorder,
10153 pub max_scroll_top: ScrollOffset,
10154}
10155
10156impl MinimapLayout {
10157 /// The minimum width of the minimap in columns. If the minimap is smaller than this, it will be hidden.
10158 const MINIMAP_MIN_WIDTH_COLUMNS: f32 = 20.;
10159 /// The minimap width as a percentage of the editor width.
10160 const MINIMAP_WIDTH_PCT: f32 = 0.15;
10161 /// Calculates the scroll top offset the minimap editor has to have based on the
10162 /// current scroll progress.
10163 fn calculate_minimap_top_offset(
10164 document_lines: f64,
10165 visible_editor_lines: f64,
10166 visible_minimap_lines: f64,
10167 scroll_position: f64,
10168 ) -> ScrollOffset {
10169 let non_visible_document_lines = (document_lines - visible_editor_lines).max(0.);
10170 if non_visible_document_lines == 0. {
10171 0.
10172 } else {
10173 let scroll_percentage = (scroll_position / non_visible_document_lines).clamp(0., 1.);
10174 scroll_percentage * (document_lines - visible_minimap_lines).max(0.)
10175 }
10176 }
10177}
10178
10179struct CreaseTrailerLayout {
10180 element: AnyElement,
10181 bounds: Bounds<Pixels>,
10182}
10183
10184pub(crate) struct PositionMap {
10185 pub size: Size<Pixels>,
10186 pub line_height: Pixels,
10187 pub scroll_position: gpui::Point<ScrollOffset>,
10188 pub scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
10189 pub scroll_max: gpui::Point<ScrollOffset>,
10190 pub em_width: Pixels,
10191 pub em_advance: Pixels,
10192 pub visible_row_range: Range<DisplayRow>,
10193 pub line_layouts: Vec<LineWithInvisibles>,
10194 pub snapshot: EditorSnapshot,
10195 pub text_hitbox: Hitbox,
10196 pub gutter_hitbox: Hitbox,
10197 pub inline_blame_bounds: Option<(Bounds<Pixels>, BufferId, BlameEntry)>,
10198 pub display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
10199 pub diff_hunk_control_bounds: Vec<(DisplayRow, Bounds<Pixels>)>,
10200}
10201
10202#[derive(Debug, Copy, Clone)]
10203pub struct PointForPosition {
10204 pub previous_valid: DisplayPoint,
10205 pub next_valid: DisplayPoint,
10206 pub exact_unclipped: DisplayPoint,
10207 pub column_overshoot_after_line_end: u32,
10208}
10209
10210impl PointForPosition {
10211 pub fn as_valid(&self) -> Option<DisplayPoint> {
10212 if self.previous_valid == self.exact_unclipped && self.next_valid == self.exact_unclipped {
10213 Some(self.previous_valid)
10214 } else {
10215 None
10216 }
10217 }
10218
10219 pub fn intersects_selection(&self, selection: &Selection<DisplayPoint>) -> bool {
10220 let Some(valid_point) = self.as_valid() else {
10221 return false;
10222 };
10223 let range = selection.range();
10224
10225 let candidate_row = valid_point.row();
10226 let candidate_col = valid_point.column();
10227
10228 let start_row = range.start.row();
10229 let start_col = range.start.column();
10230 let end_row = range.end.row();
10231 let end_col = range.end.column();
10232
10233 if candidate_row < start_row || candidate_row > end_row {
10234 false
10235 } else if start_row == end_row {
10236 candidate_col >= start_col && candidate_col < end_col
10237 } else if candidate_row == start_row {
10238 candidate_col >= start_col
10239 } else if candidate_row == end_row {
10240 candidate_col < end_col
10241 } else {
10242 true
10243 }
10244 }
10245}
10246
10247impl PositionMap {
10248 pub(crate) fn point_for_position(&self, position: gpui::Point<Pixels>) -> PointForPosition {
10249 let text_bounds = self.text_hitbox.bounds;
10250 let scroll_position = self.snapshot.scroll_position();
10251 let position = position - text_bounds.origin;
10252 let y = position.y.max(px(0.)).min(self.size.height);
10253 let x = position.x + (scroll_position.x as f32 * self.em_advance);
10254 let row = ((y / self.line_height) as f64 + scroll_position.y) as u32;
10255
10256 let (column, x_overshoot_after_line_end) = if let Some(line) = self
10257 .line_layouts
10258 .get(row as usize - scroll_position.y as usize)
10259 {
10260 if let Some(ix) = line.index_for_x(x) {
10261 (ix as u32, px(0.))
10262 } else {
10263 (line.len as u32, px(0.).max(x - line.width))
10264 }
10265 } else {
10266 (0, x)
10267 };
10268
10269 let mut exact_unclipped = DisplayPoint::new(DisplayRow(row), column);
10270 let previous_valid = self.snapshot.clip_point(exact_unclipped, Bias::Left);
10271 let next_valid = self.snapshot.clip_point(exact_unclipped, Bias::Right);
10272
10273 let column_overshoot_after_line_end = (x_overshoot_after_line_end / self.em_advance) as u32;
10274 *exact_unclipped.column_mut() += column_overshoot_after_line_end;
10275 PointForPosition {
10276 previous_valid,
10277 next_valid,
10278 exact_unclipped,
10279 column_overshoot_after_line_end,
10280 }
10281 }
10282}
10283
10284struct BlockLayout {
10285 id: BlockId,
10286 x_offset: Pixels,
10287 row: Option<DisplayRow>,
10288 element: AnyElement,
10289 available_space: Size<AvailableSpace>,
10290 style: BlockStyle,
10291 overlaps_gutter: bool,
10292 is_buffer_header: bool,
10293}
10294
10295pub fn layout_line(
10296 row: DisplayRow,
10297 snapshot: &EditorSnapshot,
10298 style: &EditorStyle,
10299 text_width: Pixels,
10300 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
10301 window: &mut Window,
10302 cx: &mut App,
10303) -> LineWithInvisibles {
10304 let chunks = snapshot.highlighted_chunks(row..row + DisplayRow(1), true, style);
10305 LineWithInvisibles::from_chunks(
10306 chunks,
10307 style,
10308 MAX_LINE_LEN,
10309 1,
10310 &snapshot.mode,
10311 text_width,
10312 is_row_soft_wrapped,
10313 &[],
10314 window,
10315 cx,
10316 )
10317 .pop()
10318 .unwrap()
10319}
10320
10321#[derive(Debug)]
10322pub struct IndentGuideLayout {
10323 origin: gpui::Point<Pixels>,
10324 length: Pixels,
10325 single_indent_width: Pixels,
10326 depth: u32,
10327 active: bool,
10328 settings: IndentGuideSettings,
10329}
10330
10331pub struct CursorLayout {
10332 origin: gpui::Point<Pixels>,
10333 block_width: Pixels,
10334 line_height: Pixels,
10335 color: Hsla,
10336 shape: CursorShape,
10337 block_text: Option<ShapedLine>,
10338 cursor_name: Option<AnyElement>,
10339}
10340
10341#[derive(Debug)]
10342pub struct CursorName {
10343 string: SharedString,
10344 color: Hsla,
10345 is_top_row: bool,
10346}
10347
10348impl CursorLayout {
10349 pub fn new(
10350 origin: gpui::Point<Pixels>,
10351 block_width: Pixels,
10352 line_height: Pixels,
10353 color: Hsla,
10354 shape: CursorShape,
10355 block_text: Option<ShapedLine>,
10356 ) -> CursorLayout {
10357 CursorLayout {
10358 origin,
10359 block_width,
10360 line_height,
10361 color,
10362 shape,
10363 block_text,
10364 cursor_name: None,
10365 }
10366 }
10367
10368 pub fn bounding_rect(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10369 Bounds {
10370 origin: self.origin + origin,
10371 size: size(self.block_width, self.line_height),
10372 }
10373 }
10374
10375 fn bounds(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10376 match self.shape {
10377 CursorShape::Bar => Bounds {
10378 origin: self.origin + origin,
10379 size: size(px(2.0), self.line_height),
10380 },
10381 CursorShape::Block | CursorShape::Hollow => Bounds {
10382 origin: self.origin + origin,
10383 size: size(self.block_width, self.line_height),
10384 },
10385 CursorShape::Underline => Bounds {
10386 origin: self.origin
10387 + origin
10388 + gpui::Point::new(Pixels::ZERO, self.line_height - px(2.0)),
10389 size: size(self.block_width, px(2.0)),
10390 },
10391 }
10392 }
10393
10394 pub fn layout(
10395 &mut self,
10396 origin: gpui::Point<Pixels>,
10397 cursor_name: Option<CursorName>,
10398 window: &mut Window,
10399 cx: &mut App,
10400 ) {
10401 if let Some(cursor_name) = cursor_name {
10402 let bounds = self.bounds(origin);
10403 let text_size = self.line_height / 1.5;
10404
10405 let name_origin = if cursor_name.is_top_row {
10406 point(bounds.right() - px(1.), bounds.top())
10407 } else {
10408 match self.shape {
10409 CursorShape::Bar => point(
10410 bounds.right() - px(2.),
10411 bounds.top() - text_size / 2. - px(1.),
10412 ),
10413 _ => point(
10414 bounds.right() - px(1.),
10415 bounds.top() - text_size / 2. - px(1.),
10416 ),
10417 }
10418 };
10419 let mut name_element = div()
10420 .bg(self.color)
10421 .text_size(text_size)
10422 .px_0p5()
10423 .line_height(text_size + px(2.))
10424 .text_color(cursor_name.color)
10425 .child(cursor_name.string)
10426 .into_any_element();
10427
10428 name_element.prepaint_as_root(name_origin, AvailableSpace::min_size(), window, cx);
10429
10430 self.cursor_name = Some(name_element);
10431 }
10432 }
10433
10434 pub fn paint(&mut self, origin: gpui::Point<Pixels>, window: &mut Window, cx: &mut App) {
10435 let bounds = self.bounds(origin);
10436
10437 //Draw background or border quad
10438 let cursor = if matches!(self.shape, CursorShape::Hollow) {
10439 outline(bounds, self.color, BorderStyle::Solid)
10440 } else {
10441 fill(bounds, self.color)
10442 };
10443
10444 if let Some(name) = &mut self.cursor_name {
10445 name.paint(window, cx);
10446 }
10447
10448 window.paint_quad(cursor);
10449
10450 if let Some(block_text) = &self.block_text {
10451 block_text
10452 .paint(self.origin + origin, self.line_height, window, cx)
10453 .log_err();
10454 }
10455 }
10456
10457 pub fn shape(&self) -> CursorShape {
10458 self.shape
10459 }
10460}
10461
10462#[derive(Debug)]
10463pub struct HighlightedRange {
10464 pub start_y: Pixels,
10465 pub line_height: Pixels,
10466 pub lines: Vec<HighlightedRangeLine>,
10467 pub color: Hsla,
10468 pub corner_radius: Pixels,
10469}
10470
10471#[derive(Debug)]
10472pub struct HighlightedRangeLine {
10473 pub start_x: Pixels,
10474 pub end_x: Pixels,
10475}
10476
10477impl HighlightedRange {
10478 pub fn paint(&self, fill: bool, bounds: Bounds<Pixels>, window: &mut Window) {
10479 if self.lines.len() >= 2 && self.lines[0].start_x > self.lines[1].end_x {
10480 self.paint_lines(self.start_y, &self.lines[0..1], fill, bounds, window);
10481 self.paint_lines(
10482 self.start_y + self.line_height,
10483 &self.lines[1..],
10484 fill,
10485 bounds,
10486 window,
10487 );
10488 } else {
10489 self.paint_lines(self.start_y, &self.lines, fill, bounds, window);
10490 }
10491 }
10492
10493 fn paint_lines(
10494 &self,
10495 start_y: Pixels,
10496 lines: &[HighlightedRangeLine],
10497 fill: bool,
10498 _bounds: Bounds<Pixels>,
10499 window: &mut Window,
10500 ) {
10501 if lines.is_empty() {
10502 return;
10503 }
10504
10505 let first_line = lines.first().unwrap();
10506 let last_line = lines.last().unwrap();
10507
10508 let first_top_left = point(first_line.start_x, start_y);
10509 let first_top_right = point(first_line.end_x, start_y);
10510
10511 let curve_height = point(Pixels::ZERO, self.corner_radius);
10512 let curve_width = |start_x: Pixels, end_x: Pixels| {
10513 let max = (end_x - start_x) / 2.;
10514 let width = if max < self.corner_radius {
10515 max
10516 } else {
10517 self.corner_radius
10518 };
10519
10520 point(width, Pixels::ZERO)
10521 };
10522
10523 let top_curve_width = curve_width(first_line.start_x, first_line.end_x);
10524 let mut builder = if fill {
10525 gpui::PathBuilder::fill()
10526 } else {
10527 gpui::PathBuilder::stroke(px(1.))
10528 };
10529 builder.move_to(first_top_right - top_curve_width);
10530 builder.curve_to(first_top_right + curve_height, first_top_right);
10531
10532 let mut iter = lines.iter().enumerate().peekable();
10533 while let Some((ix, line)) = iter.next() {
10534 let bottom_right = point(line.end_x, start_y + (ix + 1) as f32 * self.line_height);
10535
10536 if let Some((_, next_line)) = iter.peek() {
10537 let next_top_right = point(next_line.end_x, bottom_right.y);
10538
10539 match next_top_right.x.partial_cmp(&bottom_right.x).unwrap() {
10540 Ordering::Equal => {
10541 builder.line_to(bottom_right);
10542 }
10543 Ordering::Less => {
10544 let curve_width = curve_width(next_top_right.x, bottom_right.x);
10545 builder.line_to(bottom_right - curve_height);
10546 if self.corner_radius > Pixels::ZERO {
10547 builder.curve_to(bottom_right - curve_width, bottom_right);
10548 }
10549 builder.line_to(next_top_right + curve_width);
10550 if self.corner_radius > Pixels::ZERO {
10551 builder.curve_to(next_top_right + curve_height, next_top_right);
10552 }
10553 }
10554 Ordering::Greater => {
10555 let curve_width = curve_width(bottom_right.x, next_top_right.x);
10556 builder.line_to(bottom_right - curve_height);
10557 if self.corner_radius > Pixels::ZERO {
10558 builder.curve_to(bottom_right + curve_width, bottom_right);
10559 }
10560 builder.line_to(next_top_right - curve_width);
10561 if self.corner_radius > Pixels::ZERO {
10562 builder.curve_to(next_top_right + curve_height, next_top_right);
10563 }
10564 }
10565 }
10566 } else {
10567 let curve_width = curve_width(line.start_x, line.end_x);
10568 builder.line_to(bottom_right - curve_height);
10569 if self.corner_radius > Pixels::ZERO {
10570 builder.curve_to(bottom_right - curve_width, bottom_right);
10571 }
10572
10573 let bottom_left = point(line.start_x, bottom_right.y);
10574 builder.line_to(bottom_left + curve_width);
10575 if self.corner_radius > Pixels::ZERO {
10576 builder.curve_to(bottom_left - curve_height, bottom_left);
10577 }
10578 }
10579 }
10580
10581 if first_line.start_x > last_line.start_x {
10582 let curve_width = curve_width(last_line.start_x, first_line.start_x);
10583 let second_top_left = point(last_line.start_x, start_y + self.line_height);
10584 builder.line_to(second_top_left + curve_height);
10585 if self.corner_radius > Pixels::ZERO {
10586 builder.curve_to(second_top_left + curve_width, second_top_left);
10587 }
10588 let first_bottom_left = point(first_line.start_x, second_top_left.y);
10589 builder.line_to(first_bottom_left - curve_width);
10590 if self.corner_radius > Pixels::ZERO {
10591 builder.curve_to(first_bottom_left - curve_height, first_bottom_left);
10592 }
10593 }
10594
10595 builder.line_to(first_top_left + curve_height);
10596 if self.corner_radius > Pixels::ZERO {
10597 builder.curve_to(first_top_left + top_curve_width, first_top_left);
10598 }
10599 builder.line_to(first_top_right - top_curve_width);
10600
10601 if let Ok(path) = builder.build() {
10602 window.paint_path(path, self.color);
10603 }
10604 }
10605}
10606
10607enum CursorPopoverType {
10608 CodeContextMenu,
10609 EditPrediction,
10610}
10611
10612pub fn scale_vertical_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10613 (delta.pow(1.2) / 100.0).min(px(3.0)).into()
10614}
10615
10616fn scale_horizontal_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10617 (delta.pow(1.2) / 300.0).into()
10618}
10619
10620pub fn register_action<T: Action>(
10621 editor: &Entity<Editor>,
10622 window: &mut Window,
10623 listener: impl Fn(&mut Editor, &T, &mut Window, &mut Context<Editor>) + 'static,
10624) {
10625 let editor = editor.clone();
10626 window.on_action(TypeId::of::<T>(), move |action, phase, window, cx| {
10627 let action = action.downcast_ref().unwrap();
10628 if phase == DispatchPhase::Bubble {
10629 editor.update(cx, |editor, cx| {
10630 listener(editor, action, window, cx);
10631 })
10632 }
10633 })
10634}
10635
10636fn compute_auto_height_layout(
10637 editor: &mut Editor,
10638 min_lines: usize,
10639 max_lines: Option<usize>,
10640 max_line_number_width: Pixels,
10641 known_dimensions: Size<Option<Pixels>>,
10642 available_width: AvailableSpace,
10643 window: &mut Window,
10644 cx: &mut Context<Editor>,
10645) -> Option<Size<Pixels>> {
10646 let width = known_dimensions.width.or({
10647 if let AvailableSpace::Definite(available_width) = available_width {
10648 Some(available_width)
10649 } else {
10650 None
10651 }
10652 })?;
10653 if let Some(height) = known_dimensions.height {
10654 return Some(size(width, height));
10655 }
10656
10657 let style = editor.style.as_ref().unwrap();
10658 let font_id = window.text_system().resolve_font(&style.text.font());
10659 let font_size = style.text.font_size.to_pixels(window.rem_size());
10660 let line_height = style.text.line_height_in_pixels(window.rem_size());
10661 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
10662
10663 let mut snapshot = editor.snapshot(window, cx);
10664 let gutter_dimensions = snapshot
10665 .gutter_dimensions(font_id, font_size, max_line_number_width, cx)
10666 .or_else(|| {
10667 editor
10668 .offset_content
10669 .then(|| GutterDimensions::default_with_margin(font_id, font_size, cx))
10670 })
10671 .unwrap_or_default();
10672
10673 editor.gutter_dimensions = gutter_dimensions;
10674 let text_width = width - gutter_dimensions.width;
10675 let overscroll = size(em_width, px(0.));
10676
10677 let editor_width = text_width - gutter_dimensions.margin - overscroll.width - em_width;
10678 if !matches!(editor.soft_wrap_mode(cx), SoftWrap::None)
10679 && editor.set_wrap_width(Some(editor_width), cx)
10680 {
10681 snapshot = editor.snapshot(window, cx);
10682 }
10683
10684 let scroll_height = (snapshot.max_point().row().next_row().0 as f32) * line_height;
10685
10686 let min_height = line_height * min_lines as f32;
10687 let content_height = scroll_height.max(min_height);
10688
10689 let final_height = if let Some(max_lines) = max_lines {
10690 let max_height = line_height * max_lines as f32;
10691 content_height.min(max_height)
10692 } else {
10693 content_height
10694 };
10695
10696 Some(size(width, final_height))
10697}
10698
10699#[cfg(test)]
10700mod tests {
10701 use super::*;
10702 use crate::{
10703 Editor, MultiBuffer, SelectionEffects,
10704 display_map::{BlockPlacement, BlockProperties},
10705 editor_tests::{init_test, update_test_language_settings},
10706 };
10707 use gpui::{TestAppContext, VisualTestContext};
10708 use language::language_settings;
10709 use log::info;
10710 use std::num::NonZeroU32;
10711 use util::test::sample_text;
10712
10713 #[gpui::test]
10714 async fn test_soft_wrap_editor_width_auto_height_editor(cx: &mut TestAppContext) {
10715 init_test(cx, |_| {});
10716
10717 let window = cx.add_window(|window, cx| {
10718 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10719 let mut editor = Editor::new(
10720 EditorMode::AutoHeight {
10721 min_lines: 1,
10722 max_lines: None,
10723 },
10724 buffer,
10725 None,
10726 window,
10727 cx,
10728 );
10729 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10730 editor
10731 });
10732 let cx = &mut VisualTestContext::from_window(*window, cx);
10733 let editor = window.root(cx).unwrap();
10734 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10735
10736 for x in 1..=100 {
10737 let (_, state) = cx.draw(
10738 Default::default(),
10739 size(px(200. + 0.13 * x as f32), px(500.)),
10740 |_, _| EditorElement::new(&editor, style.clone()),
10741 );
10742
10743 assert!(
10744 state.position_map.scroll_max.x == 0.,
10745 "Soft wrapped editor should have no horizontal scrolling!"
10746 );
10747 }
10748 }
10749
10750 #[gpui::test]
10751 async fn test_soft_wrap_editor_width_full_editor(cx: &mut TestAppContext) {
10752 init_test(cx, |_| {});
10753
10754 let window = cx.add_window(|window, cx| {
10755 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10756 let mut editor = Editor::new(EditorMode::full(), buffer, None, window, cx);
10757 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10758 editor
10759 });
10760 let cx = &mut VisualTestContext::from_window(*window, cx);
10761 let editor = window.root(cx).unwrap();
10762 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10763
10764 for x in 1..=100 {
10765 let (_, state) = cx.draw(
10766 Default::default(),
10767 size(px(200. + 0.13 * x as f32), px(500.)),
10768 |_, _| EditorElement::new(&editor, style.clone()),
10769 );
10770
10771 assert!(
10772 state.position_map.scroll_max.x == 0.,
10773 "Soft wrapped editor should have no horizontal scrolling!"
10774 );
10775 }
10776 }
10777
10778 #[gpui::test]
10779 fn test_shape_line_numbers(cx: &mut TestAppContext) {
10780 init_test(cx, |_| {});
10781 let window = cx.add_window(|window, cx| {
10782 let buffer = MultiBuffer::build_simple(&sample_text(6, 6, 'a'), cx);
10783 Editor::new(EditorMode::full(), buffer, None, window, cx)
10784 });
10785
10786 let editor = window.root(cx).unwrap();
10787 let style = cx.update(|cx| editor.read(cx).style().unwrap().clone());
10788 let line_height = window
10789 .update(cx, |_, window, _| {
10790 style.text.line_height_in_pixels(window.rem_size())
10791 })
10792 .unwrap();
10793 let element = EditorElement::new(&editor, style);
10794 let snapshot = window
10795 .update(cx, |editor, window, cx| editor.snapshot(window, cx))
10796 .unwrap();
10797
10798 let layouts = cx
10799 .update_window(*window, |_, window, cx| {
10800 element.layout_line_numbers(
10801 None,
10802 GutterDimensions {
10803 left_padding: Pixels::ZERO,
10804 right_padding: Pixels::ZERO,
10805 width: px(30.0),
10806 margin: Pixels::ZERO,
10807 git_blame_entries_width: None,
10808 },
10809 line_height,
10810 gpui::Point::default(),
10811 DisplayRow(0)..DisplayRow(6),
10812 &(0..6)
10813 .map(|row| RowInfo {
10814 buffer_row: Some(row),
10815 ..Default::default()
10816 })
10817 .collect::<Vec<_>>(),
10818 &BTreeMap::default(),
10819 Some(DisplayPoint::new(DisplayRow(0), 0)),
10820 &snapshot,
10821 window,
10822 cx,
10823 )
10824 })
10825 .unwrap();
10826 assert_eq!(layouts.len(), 6);
10827
10828 let relative_rows = window
10829 .update(cx, |editor, window, cx| {
10830 let snapshot = editor.snapshot(window, cx);
10831 element.calculate_relative_line_numbers(
10832 &snapshot,
10833 &(DisplayRow(0)..DisplayRow(6)),
10834 Some(DisplayRow(3)),
10835 )
10836 })
10837 .unwrap();
10838 assert_eq!(relative_rows[&DisplayRow(0)], 3);
10839 assert_eq!(relative_rows[&DisplayRow(1)], 2);
10840 assert_eq!(relative_rows[&DisplayRow(2)], 1);
10841 // current line has no relative number
10842 assert_eq!(relative_rows[&DisplayRow(4)], 1);
10843 assert_eq!(relative_rows[&DisplayRow(5)], 2);
10844
10845 // works if cursor is before screen
10846 let relative_rows = window
10847 .update(cx, |editor, window, cx| {
10848 let snapshot = editor.snapshot(window, cx);
10849 element.calculate_relative_line_numbers(
10850 &snapshot,
10851 &(DisplayRow(3)..DisplayRow(6)),
10852 Some(DisplayRow(1)),
10853 )
10854 })
10855 .unwrap();
10856 assert_eq!(relative_rows.len(), 3);
10857 assert_eq!(relative_rows[&DisplayRow(3)], 2);
10858 assert_eq!(relative_rows[&DisplayRow(4)], 3);
10859 assert_eq!(relative_rows[&DisplayRow(5)], 4);
10860
10861 // works if cursor is after screen
10862 let relative_rows = window
10863 .update(cx, |editor, window, cx| {
10864 let snapshot = editor.snapshot(window, cx);
10865 element.calculate_relative_line_numbers(
10866 &snapshot,
10867 &(DisplayRow(0)..DisplayRow(3)),
10868 Some(DisplayRow(6)),
10869 )
10870 })
10871 .unwrap();
10872 assert_eq!(relative_rows.len(), 3);
10873 assert_eq!(relative_rows[&DisplayRow(0)], 5);
10874 assert_eq!(relative_rows[&DisplayRow(1)], 4);
10875 assert_eq!(relative_rows[&DisplayRow(2)], 3);
10876 }
10877
10878 #[gpui::test]
10879 async fn test_vim_visual_selections(cx: &mut TestAppContext) {
10880 init_test(cx, |_| {});
10881
10882 let window = cx.add_window(|window, cx| {
10883 let buffer = MultiBuffer::build_simple(&(sample_text(6, 6, 'a') + "\n"), cx);
10884 Editor::new(EditorMode::full(), buffer, None, window, cx)
10885 });
10886 let cx = &mut VisualTestContext::from_window(*window, cx);
10887 let editor = window.root(cx).unwrap();
10888 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10889
10890 window
10891 .update(cx, |editor, window, cx| {
10892 editor.cursor_shape = CursorShape::Block;
10893 editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
10894 s.select_ranges([
10895 Point::new(0, 0)..Point::new(1, 0),
10896 Point::new(3, 2)..Point::new(3, 3),
10897 Point::new(5, 6)..Point::new(6, 0),
10898 ]);
10899 });
10900 })
10901 .unwrap();
10902
10903 let (_, state) = cx.draw(
10904 point(px(500.), px(500.)),
10905 size(px(500.), px(500.)),
10906 |_, _| EditorElement::new(&editor, style),
10907 );
10908
10909 assert_eq!(state.selections.len(), 1);
10910 let local_selections = &state.selections[0].1;
10911 assert_eq!(local_selections.len(), 3);
10912 // moves cursor back one line
10913 assert_eq!(
10914 local_selections[0].head,
10915 DisplayPoint::new(DisplayRow(0), 6)
10916 );
10917 assert_eq!(
10918 local_selections[0].range,
10919 DisplayPoint::new(DisplayRow(0), 0)..DisplayPoint::new(DisplayRow(1), 0)
10920 );
10921
10922 // moves cursor back one column
10923 assert_eq!(
10924 local_selections[1].range,
10925 DisplayPoint::new(DisplayRow(3), 2)..DisplayPoint::new(DisplayRow(3), 3)
10926 );
10927 assert_eq!(
10928 local_selections[1].head,
10929 DisplayPoint::new(DisplayRow(3), 2)
10930 );
10931
10932 // leaves cursor on the max point
10933 assert_eq!(
10934 local_selections[2].range,
10935 DisplayPoint::new(DisplayRow(5), 6)..DisplayPoint::new(DisplayRow(6), 0)
10936 );
10937 assert_eq!(
10938 local_selections[2].head,
10939 DisplayPoint::new(DisplayRow(6), 0)
10940 );
10941
10942 // active lines does not include 1 (even though the range of the selection does)
10943 assert_eq!(
10944 state.active_rows.keys().cloned().collect::<Vec<_>>(),
10945 vec![DisplayRow(0), DisplayRow(3), DisplayRow(5), DisplayRow(6)]
10946 );
10947 }
10948
10949 #[gpui::test]
10950 fn test_layout_with_placeholder_text_and_blocks(cx: &mut TestAppContext) {
10951 init_test(cx, |_| {});
10952
10953 let window = cx.add_window(|window, cx| {
10954 let buffer = MultiBuffer::build_simple("", cx);
10955 Editor::new(EditorMode::full(), buffer, None, window, cx)
10956 });
10957 let cx = &mut VisualTestContext::from_window(*window, cx);
10958 let editor = window.root(cx).unwrap();
10959 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10960 window
10961 .update(cx, |editor, window, cx| {
10962 editor.set_placeholder_text("hello", window, cx);
10963 editor.insert_blocks(
10964 [BlockProperties {
10965 style: BlockStyle::Fixed,
10966 placement: BlockPlacement::Above(Anchor::min()),
10967 height: Some(3),
10968 render: Arc::new(|cx| div().h(3. * cx.window.line_height()).into_any()),
10969 priority: 0,
10970 }],
10971 None,
10972 cx,
10973 );
10974
10975 // Blur the editor so that it displays placeholder text.
10976 window.blur();
10977 })
10978 .unwrap();
10979
10980 let (_, state) = cx.draw(
10981 point(px(500.), px(500.)),
10982 size(px(500.), px(500.)),
10983 |_, _| EditorElement::new(&editor, style),
10984 );
10985 assert_eq!(state.position_map.line_layouts.len(), 4);
10986 assert_eq!(state.line_numbers.len(), 1);
10987 assert_eq!(
10988 state
10989 .line_numbers
10990 .get(&MultiBufferRow(0))
10991 .map(|line_number| line_number.shaped_line.text.as_ref()),
10992 Some("1")
10993 );
10994 }
10995
10996 #[gpui::test]
10997 fn test_all_invisibles_drawing(cx: &mut TestAppContext) {
10998 const TAB_SIZE: u32 = 4;
10999
11000 let input_text = "\t \t|\t| a b";
11001 let expected_invisibles = vec![
11002 Invisible::Tab {
11003 line_start_offset: 0,
11004 line_end_offset: TAB_SIZE as usize,
11005 },
11006 Invisible::Whitespace {
11007 line_offset: TAB_SIZE as usize,
11008 },
11009 Invisible::Tab {
11010 line_start_offset: TAB_SIZE as usize + 1,
11011 line_end_offset: TAB_SIZE as usize * 2,
11012 },
11013 Invisible::Tab {
11014 line_start_offset: TAB_SIZE as usize * 2 + 1,
11015 line_end_offset: TAB_SIZE as usize * 3,
11016 },
11017 Invisible::Whitespace {
11018 line_offset: TAB_SIZE as usize * 3 + 1,
11019 },
11020 Invisible::Whitespace {
11021 line_offset: TAB_SIZE as usize * 3 + 3,
11022 },
11023 ];
11024 assert_eq!(
11025 expected_invisibles.len(),
11026 input_text
11027 .chars()
11028 .filter(|initial_char| initial_char.is_whitespace())
11029 .count(),
11030 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
11031 );
11032
11033 for show_line_numbers in [true, false] {
11034 init_test(cx, |s| {
11035 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11036 s.defaults.tab_size = NonZeroU32::new(TAB_SIZE);
11037 });
11038
11039 let actual_invisibles = collect_invisibles_from_new_editor(
11040 cx,
11041 EditorMode::full(),
11042 input_text,
11043 px(500.0),
11044 show_line_numbers,
11045 );
11046
11047 assert_eq!(expected_invisibles, actual_invisibles);
11048 }
11049 }
11050
11051 #[gpui::test]
11052 fn test_invisibles_dont_appear_in_certain_editors(cx: &mut TestAppContext) {
11053 init_test(cx, |s| {
11054 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11055 s.defaults.tab_size = NonZeroU32::new(4);
11056 });
11057
11058 for editor_mode_without_invisibles in [
11059 EditorMode::SingleLine,
11060 EditorMode::AutoHeight {
11061 min_lines: 1,
11062 max_lines: Some(100),
11063 },
11064 ] {
11065 for show_line_numbers in [true, false] {
11066 let invisibles = collect_invisibles_from_new_editor(
11067 cx,
11068 editor_mode_without_invisibles.clone(),
11069 "\t\t\t| | a b",
11070 px(500.0),
11071 show_line_numbers,
11072 );
11073 assert!(
11074 invisibles.is_empty(),
11075 "For editor mode {editor_mode_without_invisibles:?} no invisibles was expected but got {invisibles:?}"
11076 );
11077 }
11078 }
11079 }
11080
11081 #[gpui::test]
11082 fn test_wrapped_invisibles_drawing(cx: &mut TestAppContext) {
11083 let tab_size = 4;
11084 let input_text = "a\tbcd ".repeat(9);
11085 let repeated_invisibles = [
11086 Invisible::Tab {
11087 line_start_offset: 1,
11088 line_end_offset: tab_size as usize,
11089 },
11090 Invisible::Whitespace {
11091 line_offset: tab_size as usize + 3,
11092 },
11093 Invisible::Whitespace {
11094 line_offset: tab_size as usize + 4,
11095 },
11096 Invisible::Whitespace {
11097 line_offset: tab_size as usize + 5,
11098 },
11099 Invisible::Whitespace {
11100 line_offset: tab_size as usize + 6,
11101 },
11102 Invisible::Whitespace {
11103 line_offset: tab_size as usize + 7,
11104 },
11105 ];
11106 let expected_invisibles = std::iter::once(repeated_invisibles)
11107 .cycle()
11108 .take(9)
11109 .flatten()
11110 .collect::<Vec<_>>();
11111 assert_eq!(
11112 expected_invisibles.len(),
11113 input_text
11114 .chars()
11115 .filter(|initial_char| initial_char.is_whitespace())
11116 .count(),
11117 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
11118 );
11119 info!("Expected invisibles: {expected_invisibles:?}");
11120
11121 init_test(cx, |_| {});
11122
11123 // Put the same string with repeating whitespace pattern into editors of various size,
11124 // take deliberately small steps during resizing, to put all whitespace kinds near the wrap point.
11125 let resize_step = 10.0;
11126 let mut editor_width = 200.0;
11127 while editor_width <= 1000.0 {
11128 for show_line_numbers in [true, false] {
11129 update_test_language_settings(cx, |s| {
11130 s.defaults.tab_size = NonZeroU32::new(tab_size);
11131 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11132 s.defaults.preferred_line_length = Some(editor_width as u32);
11133 s.defaults.soft_wrap = Some(language_settings::SoftWrap::PreferredLineLength);
11134 });
11135
11136 let actual_invisibles = collect_invisibles_from_new_editor(
11137 cx,
11138 EditorMode::full(),
11139 &input_text,
11140 px(editor_width),
11141 show_line_numbers,
11142 );
11143
11144 // Whatever the editor size is, ensure it has the same invisible kinds in the same order
11145 // (no good guarantees about the offsets: wrapping could trigger padding and its tests should check the offsets).
11146 let mut i = 0;
11147 for (actual_index, actual_invisible) in actual_invisibles.iter().enumerate() {
11148 i = actual_index;
11149 match expected_invisibles.get(i) {
11150 Some(expected_invisible) => match (expected_invisible, actual_invisible) {
11151 (Invisible::Whitespace { .. }, Invisible::Whitespace { .. })
11152 | (Invisible::Tab { .. }, Invisible::Tab { .. }) => {}
11153 _ => {
11154 panic!(
11155 "At index {i}, expected invisible {expected_invisible:?} does not match actual {actual_invisible:?} by kind. Actual invisibles: {actual_invisibles:?}"
11156 )
11157 }
11158 },
11159 None => {
11160 panic!("Unexpected extra invisible {actual_invisible:?} at index {i}")
11161 }
11162 }
11163 }
11164 let missing_expected_invisibles = &expected_invisibles[i + 1..];
11165 assert!(
11166 missing_expected_invisibles.is_empty(),
11167 "Missing expected invisibles after index {i}: {missing_expected_invisibles:?}"
11168 );
11169
11170 editor_width += resize_step;
11171 }
11172 }
11173 }
11174
11175 fn collect_invisibles_from_new_editor(
11176 cx: &mut TestAppContext,
11177 editor_mode: EditorMode,
11178 input_text: &str,
11179 editor_width: Pixels,
11180 show_line_numbers: bool,
11181 ) -> Vec<Invisible> {
11182 info!(
11183 "Creating editor with mode {editor_mode:?}, width {}px and text '{input_text}'",
11184 f32::from(editor_width)
11185 );
11186 let window = cx.add_window(|window, cx| {
11187 let buffer = MultiBuffer::build_simple(input_text, cx);
11188 Editor::new(editor_mode, buffer, None, window, cx)
11189 });
11190 let cx = &mut VisualTestContext::from_window(*window, cx);
11191 let editor = window.root(cx).unwrap();
11192
11193 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
11194 window
11195 .update(cx, |editor, _, cx| {
11196 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
11197 editor.set_wrap_width(Some(editor_width), cx);
11198 editor.set_show_line_numbers(show_line_numbers, cx);
11199 })
11200 .unwrap();
11201 let (_, state) = cx.draw(
11202 point(px(500.), px(500.)),
11203 size(px(500.), px(500.)),
11204 |_, _| EditorElement::new(&editor, style),
11205 );
11206 state
11207 .position_map
11208 .line_layouts
11209 .iter()
11210 .flat_map(|line_with_invisibles| &line_with_invisibles.invisibles)
11211 .cloned()
11212 .collect()
11213 }
11214
11215 #[gpui::test]
11216 fn test_merge_overlapping_ranges() {
11217 let base_bg = Hsla::white();
11218 let color1 = Hsla {
11219 h: 0.0,
11220 s: 0.5,
11221 l: 0.5,
11222 a: 0.5,
11223 };
11224 let color2 = Hsla {
11225 h: 120.0,
11226 s: 0.5,
11227 l: 0.5,
11228 a: 0.5,
11229 };
11230
11231 let display_point = |col| DisplayPoint::new(DisplayRow(0), col);
11232 let cols = |v: &Vec<(Range<DisplayPoint>, Hsla)>| -> Vec<(u32, u32)> {
11233 v.iter()
11234 .map(|(r, _)| (r.start.column(), r.end.column()))
11235 .collect()
11236 };
11237
11238 // Test overlapping ranges blend colors
11239 let overlapping = vec![
11240 (display_point(5)..display_point(15), color1),
11241 (display_point(10)..display_point(20), color2),
11242 ];
11243 let result = EditorElement::merge_overlapping_ranges(overlapping, base_bg);
11244 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11245
11246 // Test middle segment should have blended color
11247 let blended = Hsla::blend(Hsla::blend(base_bg, color1), color2);
11248 assert_eq!(result[1].1, blended);
11249
11250 // Test adjacent same-color ranges merge
11251 let adjacent_same = vec![
11252 (display_point(5)..display_point(10), color1),
11253 (display_point(10)..display_point(15), color1),
11254 ];
11255 let result = EditorElement::merge_overlapping_ranges(adjacent_same, base_bg);
11256 assert_eq!(cols(&result), vec![(5, 15)]);
11257
11258 // Test contained range splits
11259 let contained = vec![
11260 (display_point(5)..display_point(20), color1),
11261 (display_point(10)..display_point(15), color2),
11262 ];
11263 let result = EditorElement::merge_overlapping_ranges(contained, base_bg);
11264 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11265
11266 // Test multiple overlaps split at every boundary
11267 let color3 = Hsla {
11268 h: 240.0,
11269 s: 0.5,
11270 l: 0.5,
11271 a: 0.5,
11272 };
11273 let complex = vec![
11274 (display_point(5)..display_point(12), color1),
11275 (display_point(8)..display_point(16), color2),
11276 (display_point(10)..display_point(14), color3),
11277 ];
11278 let result = EditorElement::merge_overlapping_ranges(complex, base_bg);
11279 assert_eq!(
11280 cols(&result),
11281 vec![(5, 8), (8, 10), (10, 12), (12, 14), (14, 16)]
11282 );
11283 }
11284
11285 #[gpui::test]
11286 fn test_bg_segments_per_row() {
11287 let base_bg = Hsla::white();
11288
11289 // Case A: selection spans three display rows: row 1 [5, end), full row 2, row 3 [0, 7)
11290 {
11291 let selection_color = Hsla {
11292 h: 200.0,
11293 s: 0.5,
11294 l: 0.5,
11295 a: 0.5,
11296 };
11297 let player_color = PlayerColor {
11298 cursor: selection_color,
11299 background: selection_color,
11300 selection: selection_color,
11301 };
11302
11303 let spanning_selection = SelectionLayout {
11304 head: DisplayPoint::new(DisplayRow(3), 7),
11305 cursor_shape: CursorShape::Bar,
11306 is_newest: true,
11307 is_local: true,
11308 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 7),
11309 active_rows: DisplayRow(1)..DisplayRow(4),
11310 user_name: None,
11311 };
11312
11313 let selections = vec![(player_color, vec![spanning_selection])];
11314 let result = EditorElement::bg_segments_per_row(
11315 DisplayRow(0)..DisplayRow(5),
11316 &selections,
11317 &[],
11318 base_bg,
11319 );
11320
11321 assert_eq!(result.len(), 5);
11322 assert!(result[0].is_empty());
11323 assert_eq!(result[1].len(), 1);
11324 assert_eq!(result[2].len(), 1);
11325 assert_eq!(result[3].len(), 1);
11326 assert!(result[4].is_empty());
11327
11328 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11329 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11330 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11331 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11332 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11333 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11334 assert_eq!(result[3][0].0.start, DisplayPoint::new(DisplayRow(3), 0));
11335 assert_eq!(result[3][0].0.end, DisplayPoint::new(DisplayRow(3), 7));
11336 }
11337
11338 // Case B: selection ends exactly at the start of row 3, excluding row 3
11339 {
11340 let selection_color = Hsla {
11341 h: 120.0,
11342 s: 0.5,
11343 l: 0.5,
11344 a: 0.5,
11345 };
11346 let player_color = PlayerColor {
11347 cursor: selection_color,
11348 background: selection_color,
11349 selection: selection_color,
11350 };
11351
11352 let selection = SelectionLayout {
11353 head: DisplayPoint::new(DisplayRow(2), 0),
11354 cursor_shape: CursorShape::Bar,
11355 is_newest: true,
11356 is_local: true,
11357 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 0),
11358 active_rows: DisplayRow(1)..DisplayRow(3),
11359 user_name: None,
11360 };
11361
11362 let selections = vec![(player_color, vec![selection])];
11363 let result = EditorElement::bg_segments_per_row(
11364 DisplayRow(0)..DisplayRow(4),
11365 &selections,
11366 &[],
11367 base_bg,
11368 );
11369
11370 assert_eq!(result.len(), 4);
11371 assert!(result[0].is_empty());
11372 assert_eq!(result[1].len(), 1);
11373 assert_eq!(result[2].len(), 1);
11374 assert!(result[3].is_empty());
11375
11376 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11377 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11378 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11379 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11380 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11381 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11382 }
11383 }
11384
11385 #[cfg(test)]
11386 fn generate_test_run(len: usize, color: Hsla) -> TextRun {
11387 TextRun {
11388 len,
11389 font: gpui::font(".SystemUIFont"),
11390 color,
11391 background_color: None,
11392 underline: None,
11393 strikethrough: None,
11394 }
11395 }
11396
11397 #[gpui::test]
11398 fn test_split_runs_by_bg_segments(cx: &mut gpui::TestAppContext) {
11399 init_test(cx, |_| {});
11400
11401 let dx = |start: u32, end: u32| {
11402 DisplayPoint::new(DisplayRow(0), start)..DisplayPoint::new(DisplayRow(0), end)
11403 };
11404
11405 let text_color = Hsla {
11406 h: 210.0,
11407 s: 0.1,
11408 l: 0.4,
11409 a: 1.0,
11410 };
11411 let bg_1 = Hsla {
11412 h: 30.0,
11413 s: 0.6,
11414 l: 0.8,
11415 a: 1.0,
11416 };
11417 let bg_2 = Hsla {
11418 h: 200.0,
11419 s: 0.6,
11420 l: 0.2,
11421 a: 1.0,
11422 };
11423 let min_contrast = 45.0;
11424 let adjusted_bg1 = ensure_minimum_contrast(text_color, bg_1, min_contrast);
11425 let adjusted_bg2 = ensure_minimum_contrast(text_color, bg_2, min_contrast);
11426
11427 // Case A: single run; disjoint segments inside the run
11428 {
11429 let runs = vec![generate_test_run(20, text_color)];
11430 let segs = vec![(dx(5, 10), bg_1), (dx(12, 16), bg_2)];
11431 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11432 // Expected slices: [0,5) [5,10) [10,12) [12,16) [16,20)
11433 assert_eq!(
11434 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11435 vec![5, 5, 2, 4, 4]
11436 );
11437 assert_eq!(out[0].color, text_color);
11438 assert_eq!(out[1].color, adjusted_bg1);
11439 assert_eq!(out[2].color, text_color);
11440 assert_eq!(out[3].color, adjusted_bg2);
11441 assert_eq!(out[4].color, text_color);
11442 }
11443
11444 // Case B: multiple runs; segment extends to end of line (u32::MAX)
11445 {
11446 let runs = vec![
11447 generate_test_run(8, text_color),
11448 generate_test_run(7, text_color),
11449 ];
11450 let segs = vec![(dx(6, u32::MAX), bg_1)];
11451 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11452 // Expected slices across runs: [0,6) [6,8) | [0,7)
11453 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![6, 2, 7]);
11454 assert_eq!(out[0].color, text_color);
11455 assert_eq!(out[1].color, adjusted_bg1);
11456 assert_eq!(out[2].color, adjusted_bg1);
11457 }
11458
11459 // Case C: multi-byte characters
11460 {
11461 // for text: "Hello π δΈη!"
11462 let runs = vec![
11463 generate_test_run(5, text_color), // "Hello"
11464 generate_test_run(6, text_color), // " π "
11465 generate_test_run(6, text_color), // "δΈη"
11466 generate_test_run(1, text_color), // "!"
11467 ];
11468 // selecting "π δΈ"
11469 let segs = vec![(dx(6, 14), bg_1)];
11470 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11471 // "Hello" | " " | "π " | "δΈ" | "η" | "!"
11472 assert_eq!(
11473 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11474 vec![5, 1, 5, 3, 3, 1]
11475 );
11476 assert_eq!(out[0].color, text_color); // "Hello"
11477 assert_eq!(out[2].color, adjusted_bg1); // "π "
11478 assert_eq!(out[3].color, adjusted_bg1); // "δΈ"
11479 assert_eq!(out[4].color, text_color); // "η"
11480 assert_eq!(out[5].color, text_color); // "!"
11481 }
11482
11483 // Case D: split multiple consecutive text runs with segments
11484 {
11485 let segs = vec![
11486 (dx(2, 4), bg_1), // selecting "cd"
11487 (dx(4, 8), bg_2), // selecting "efgh"
11488 (dx(9, 11), bg_1), // selecting "jk"
11489 (dx(12, 16), bg_2), // selecting "mnop"
11490 (dx(18, 19), bg_1), // selecting "s"
11491 ];
11492
11493 // for text: "abcdef"
11494 let runs = vec![
11495 generate_test_run(2, text_color), // ab
11496 generate_test_run(4, text_color), // cdef
11497 ];
11498 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11499 // new splits "ab", "cd", "ef"
11500 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![2, 2, 2]);
11501 assert_eq!(out[0].color, text_color);
11502 assert_eq!(out[1].color, adjusted_bg1);
11503 assert_eq!(out[2].color, adjusted_bg2);
11504
11505 // for text: "ghijklmn"
11506 let runs = vec![
11507 generate_test_run(3, text_color), // ghi
11508 generate_test_run(2, text_color), // jk
11509 generate_test_run(3, text_color), // lmn
11510 ];
11511 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 6); // 2 + 4 from first run
11512 // new splits "gh", "i", "jk", "l", "mn"
11513 assert_eq!(
11514 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11515 vec![2, 1, 2, 1, 2]
11516 );
11517 assert_eq!(out[0].color, adjusted_bg2);
11518 assert_eq!(out[1].color, text_color);
11519 assert_eq!(out[2].color, adjusted_bg1);
11520 assert_eq!(out[3].color, text_color);
11521 assert_eq!(out[4].color, adjusted_bg2);
11522
11523 // for text: "opqrs"
11524 let runs = vec![
11525 generate_test_run(1, text_color), // o
11526 generate_test_run(4, text_color), // pqrs
11527 ];
11528 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 14); // 6 + 3 + 2 + 3 from first two runs
11529 // new splits "o", "p", "qr", "s"
11530 assert_eq!(
11531 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11532 vec![1, 1, 2, 1]
11533 );
11534 assert_eq!(out[0].color, adjusted_bg2);
11535 assert_eq!(out[1].color, adjusted_bg2);
11536 assert_eq!(out[2].color, text_color);
11537 assert_eq!(out[3].color, adjusted_bg1);
11538 }
11539 }
11540}