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