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 Block::Spacer { height, .. } => v_flex()
3762 .id(block_id)
3763 .w_full()
3764 .child(
3765 div()
3766 .h(*height as f32 * window.line_height())
3767 .debug_bg_magenta(),
3768 )
3769 .into_any(),
3770 };
3771
3772 // Discover the element's content height, then round up to the nearest multiple of line height.
3773 let preliminary_size = element.layout_as_root(
3774 size(available_width, AvailableSpace::MinContent),
3775 window,
3776 cx,
3777 );
3778 let quantized_height = (preliminary_size.height / line_height).ceil() * line_height;
3779 let final_size = if preliminary_size.height == quantized_height {
3780 preliminary_size
3781 } else {
3782 element.layout_as_root(size(available_width, quantized_height.into()), window, cx)
3783 };
3784 let mut element_height_in_lines = ((final_size.height / line_height).ceil() as u32).max(1);
3785
3786 let mut row = block_row_start;
3787 let mut x_offset = px(0.);
3788 let mut is_block = true;
3789
3790 if let BlockId::Custom(custom_block_id) = block_id
3791 && block.has_height()
3792 {
3793 if block.place_near()
3794 && let Some((x_target, line_width)) = x_position
3795 {
3796 let margin = em_width * 2;
3797 if line_width + final_size.width + margin
3798 < editor_width + editor_margins.gutter.full_width()
3799 && !row_block_types.contains_key(&(row - 1))
3800 && element_height_in_lines == 1
3801 {
3802 x_offset = line_width + margin;
3803 row = row - 1;
3804 is_block = false;
3805 element_height_in_lines = 0;
3806 row_block_types.insert(row, is_block);
3807 } else {
3808 let max_offset =
3809 editor_width + editor_margins.gutter.full_width() - final_size.width;
3810 let min_offset = (x_target + em_width - final_size.width)
3811 .max(editor_margins.gutter.full_width());
3812 x_offset = x_target.min(max_offset).max(min_offset);
3813 }
3814 };
3815 if element_height_in_lines != block.height() {
3816 resized_blocks.insert(custom_block_id, element_height_in_lines);
3817 }
3818 }
3819 for i in 0..element_height_in_lines {
3820 row_block_types.insert(row + i, is_block);
3821 }
3822
3823 Some((element, final_size, row, x_offset))
3824 }
3825
3826 fn render_buffer_header(
3827 &self,
3828 for_excerpt: &ExcerptInfo,
3829 is_folded: bool,
3830 is_selected: bool,
3831 is_sticky: bool,
3832 jump_data: JumpData,
3833 window: &mut Window,
3834 cx: &mut App,
3835 ) -> impl IntoElement {
3836 let editor = self.editor.read(cx);
3837 let multi_buffer = editor.buffer.read(cx);
3838 let file_status = multi_buffer
3839 .all_diff_hunks_expanded()
3840 .then(|| editor.status_for_buffer_id(for_excerpt.buffer_id, cx))
3841 .flatten();
3842 let indicator = multi_buffer
3843 .buffer(for_excerpt.buffer_id)
3844 .and_then(|buffer| {
3845 let buffer = buffer.read(cx);
3846 let indicator_color = match (buffer.has_conflict(), buffer.is_dirty()) {
3847 (true, _) => Some(Color::Warning),
3848 (_, true) => Some(Color::Accent),
3849 (false, false) => None,
3850 };
3851 indicator_color.map(|indicator_color| Indicator::dot().color(indicator_color))
3852 });
3853
3854 let include_root = editor
3855 .project
3856 .as_ref()
3857 .map(|project| project.read(cx).visible_worktrees(cx).count() > 1)
3858 .unwrap_or_default();
3859 let file = for_excerpt.buffer.file();
3860 let can_open_excerpts = Editor::can_open_excerpts_in_file(file);
3861 let path_style = file.map(|file| file.path_style(cx));
3862 let relative_path = for_excerpt.buffer.resolve_file_path(include_root, cx);
3863 let (parent_path, filename) = if let Some(path) = &relative_path {
3864 if let Some(path_style) = path_style {
3865 let (dir, file_name) = path_style.split(path);
3866 (dir.map(|dir| dir.to_owned()), Some(file_name.to_owned()))
3867 } else {
3868 (None, Some(path.clone()))
3869 }
3870 } else {
3871 (None, None)
3872 };
3873 let focus_handle = editor.focus_handle(cx);
3874 let colors = cx.theme().colors();
3875
3876 let header = div()
3877 .p_1()
3878 .w_full()
3879 .h(FILE_HEADER_HEIGHT as f32 * window.line_height())
3880 .child(
3881 h_flex()
3882 .size_full()
3883 .gap_2()
3884 .flex_basis(Length::Definite(DefiniteLength::Fraction(0.667)))
3885 .pl_0p5()
3886 .pr_5()
3887 .rounded_sm()
3888 .when(is_sticky, |el| el.shadow_md())
3889 .border_1()
3890 .map(|div| {
3891 let border_color = if is_selected
3892 && is_folded
3893 && focus_handle.contains_focused(window, cx)
3894 {
3895 colors.border_focused
3896 } else {
3897 colors.border
3898 };
3899 div.border_color(border_color)
3900 })
3901 .bg(colors.editor_subheader_background)
3902 .hover(|style| style.bg(colors.element_hover))
3903 .map(|header| {
3904 let editor = self.editor.clone();
3905 let buffer_id = for_excerpt.buffer_id;
3906 let toggle_chevron_icon =
3907 FileIcons::get_chevron_icon(!is_folded, cx).map(Icon::from_path);
3908 header.child(
3909 div()
3910 .hover(|style| style.bg(colors.element_selected))
3911 .rounded_xs()
3912 .child(
3913 ButtonLike::new("toggle-buffer-fold")
3914 .style(ui::ButtonStyle::Transparent)
3915 .height(px(28.).into())
3916 .width(px(28.))
3917 .children(toggle_chevron_icon)
3918 .tooltip({
3919 let focus_handle = focus_handle.clone();
3920 move |_window, cx| {
3921 Tooltip::with_meta_in(
3922 "Toggle Excerpt Fold",
3923 Some(&ToggleFold),
3924 format!(
3925 "{} to toggle all",
3926 text_for_keystroke(
3927 &Modifiers::alt(),
3928 "click",
3929 cx
3930 )
3931 ),
3932 &focus_handle,
3933 cx,
3934 )
3935 }
3936 })
3937 .on_click(move |event, window, cx| {
3938 if event.modifiers().alt {
3939 // Alt+click toggles all buffers
3940 editor.update(cx, |editor, cx| {
3941 editor.toggle_fold_all(
3942 &ToggleFoldAll,
3943 window,
3944 cx,
3945 );
3946 });
3947 } else {
3948 // Regular click toggles single buffer
3949 if is_folded {
3950 editor.update(cx, |editor, cx| {
3951 editor.unfold_buffer(buffer_id, cx);
3952 });
3953 } else {
3954 editor.update(cx, |editor, cx| {
3955 editor.fold_buffer(buffer_id, cx);
3956 });
3957 }
3958 }
3959 }),
3960 ),
3961 )
3962 })
3963 .children(
3964 editor
3965 .addons
3966 .values()
3967 .filter_map(|addon| {
3968 addon.render_buffer_header_controls(for_excerpt, window, cx)
3969 })
3970 .take(1),
3971 )
3972 .child(h_flex().size(px(12.0)).justify_center().children(indicator))
3973 .child(
3974 h_flex()
3975 .cursor_pointer()
3976 .id("path header block")
3977 .size_full()
3978 .justify_between()
3979 .overflow_hidden()
3980 .child(
3981 h_flex()
3982 .gap_2()
3983 .map(|path_header| {
3984 let filename = filename
3985 .map(SharedString::from)
3986 .unwrap_or_else(|| "untitled".into());
3987
3988 path_header
3989 .when(ItemSettings::get_global(cx).file_icons, |el| {
3990 let path = path::Path::new(filename.as_str());
3991 let icon = FileIcons::get_icon(path, cx)
3992 .unwrap_or_default();
3993 let icon =
3994 Icon::from_path(icon).color(Color::Muted);
3995 el.child(icon)
3996 })
3997 .child(Label::new(filename).single_line().when_some(
3998 file_status,
3999 |el, status| {
4000 el.color(if status.is_conflicted() {
4001 Color::Conflict
4002 } else if status.is_modified() {
4003 Color::Modified
4004 } else if status.is_deleted() {
4005 Color::Disabled
4006 } else {
4007 Color::Created
4008 })
4009 .when(status.is_deleted(), |el| {
4010 el.strikethrough()
4011 })
4012 },
4013 ))
4014 })
4015 .when_some(parent_path, |then, path| {
4016 then.child(div().child(path).text_color(
4017 if file_status.is_some_and(FileStatus::is_deleted) {
4018 colors.text_disabled
4019 } else {
4020 colors.text_muted
4021 },
4022 ))
4023 }),
4024 )
4025 .when(
4026 can_open_excerpts && is_selected && relative_path.is_some(),
4027 |el| {
4028 el.child(
4029 h_flex()
4030 .id("jump-to-file-button")
4031 .gap_2p5()
4032 .child(Label::new("Jump To File"))
4033 .child(KeyBinding::for_action_in(
4034 &OpenExcerpts,
4035 &focus_handle,
4036 cx,
4037 )),
4038 )
4039 },
4040 )
4041 .on_mouse_down(MouseButton::Left, |_, _, cx| cx.stop_propagation())
4042 .on_click(window.listener_for(&self.editor, {
4043 move |editor, e: &ClickEvent, window, cx| {
4044 editor.open_excerpts_common(
4045 Some(jump_data.clone()),
4046 e.modifiers().secondary(),
4047 window,
4048 cx,
4049 );
4050 }
4051 })),
4052 ),
4053 );
4054
4055 let file = for_excerpt.buffer.file().cloned();
4056 let editor = self.editor.clone();
4057 right_click_menu("buffer-header-context-menu")
4058 .trigger(move |_, _, _| header)
4059 .menu(move |window, cx| {
4060 let menu_context = focus_handle.clone();
4061 let editor = editor.clone();
4062 let file = file.clone();
4063 ContextMenu::build(window, cx, move |mut menu, window, cx| {
4064 if let Some(file) = file
4065 && let Some(project) = editor.read(cx).project()
4066 && let Some(worktree) =
4067 project.read(cx).worktree_for_id(file.worktree_id(cx), cx)
4068 {
4069 let path_style = file.path_style(cx);
4070 let worktree = worktree.read(cx);
4071 let relative_path = file.path();
4072 let entry_for_path = worktree.entry_for_path(relative_path);
4073 let abs_path = entry_for_path.map(|e| {
4074 e.canonical_path.as_deref().map_or_else(
4075 || worktree.absolutize(relative_path),
4076 Path::to_path_buf,
4077 )
4078 });
4079 let has_relative_path = worktree.root_entry().is_some_and(Entry::is_dir);
4080
4081 let parent_abs_path = abs_path
4082 .as_ref()
4083 .and_then(|abs_path| Some(abs_path.parent()?.to_path_buf()));
4084 let relative_path = has_relative_path
4085 .then_some(relative_path)
4086 .map(ToOwned::to_owned);
4087
4088 let visible_in_project_panel =
4089 relative_path.is_some() && worktree.is_visible();
4090 let reveal_in_project_panel = entry_for_path
4091 .filter(|_| visible_in_project_panel)
4092 .map(|entry| entry.id);
4093 menu = menu
4094 .when_some(abs_path, |menu, abs_path| {
4095 menu.entry(
4096 "Copy Path",
4097 Some(Box::new(zed_actions::workspace::CopyPath)),
4098 window.handler_for(&editor, move |_, _, cx| {
4099 cx.write_to_clipboard(ClipboardItem::new_string(
4100 abs_path.to_string_lossy().into_owned(),
4101 ));
4102 }),
4103 )
4104 })
4105 .when_some(relative_path, |menu, relative_path| {
4106 menu.entry(
4107 "Copy Relative Path",
4108 Some(Box::new(zed_actions::workspace::CopyRelativePath)),
4109 window.handler_for(&editor, move |_, _, cx| {
4110 cx.write_to_clipboard(ClipboardItem::new_string(
4111 relative_path.display(path_style).to_string(),
4112 ));
4113 }),
4114 )
4115 })
4116 .when(
4117 reveal_in_project_panel.is_some() || parent_abs_path.is_some(),
4118 |menu| menu.separator(),
4119 )
4120 .when_some(reveal_in_project_panel, |menu, entry_id| {
4121 menu.entry(
4122 "Reveal In Project Panel",
4123 Some(Box::new(RevealInProjectPanel::default())),
4124 window.handler_for(&editor, move |editor, _, cx| {
4125 if let Some(project) = &mut editor.project {
4126 project.update(cx, |_, cx| {
4127 cx.emit(project::Event::RevealInProjectPanel(
4128 entry_id,
4129 ))
4130 });
4131 }
4132 }),
4133 )
4134 })
4135 .when_some(parent_abs_path, |menu, parent_abs_path| {
4136 menu.entry(
4137 "Open in Terminal",
4138 Some(Box::new(OpenInTerminal)),
4139 window.handler_for(&editor, move |_, window, cx| {
4140 window.dispatch_action(
4141 OpenTerminal {
4142 working_directory: parent_abs_path.clone(),
4143 }
4144 .boxed_clone(),
4145 cx,
4146 );
4147 }),
4148 )
4149 });
4150 }
4151
4152 menu.context(menu_context)
4153 })
4154 })
4155 }
4156
4157 fn render_blocks(
4158 &self,
4159 rows: Range<DisplayRow>,
4160 snapshot: &EditorSnapshot,
4161 hitbox: &Hitbox,
4162 text_hitbox: &Hitbox,
4163 editor_width: Pixels,
4164 scroll_width: &mut Pixels,
4165 editor_margins: &EditorMargins,
4166 em_width: Pixels,
4167 text_x: Pixels,
4168 line_height: Pixels,
4169 line_layouts: &mut [LineWithInvisibles],
4170 selections: &[Selection<Point>],
4171 selected_buffer_ids: &Vec<BufferId>,
4172 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
4173 sticky_header_excerpt_id: Option<ExcerptId>,
4174 window: &mut Window,
4175 cx: &mut App,
4176 ) -> Result<(Vec<BlockLayout>, HashMap<DisplayRow, bool>), HashMap<CustomBlockId, u32>> {
4177 let (fixed_blocks, non_fixed_blocks) = snapshot
4178 .blocks_in_range(rows.clone())
4179 .partition::<Vec<_>, _>(|(_, block)| block.style() == BlockStyle::Fixed);
4180
4181 let mut focused_block = self
4182 .editor
4183 .update(cx, |editor, _| editor.take_focused_block());
4184 let mut fixed_block_max_width = Pixels::ZERO;
4185 let mut blocks = Vec::new();
4186 let mut resized_blocks = HashMap::default();
4187 let mut row_block_types = HashMap::default();
4188
4189 for (row, block) in fixed_blocks {
4190 let block_id = block.id();
4191
4192 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4193 focused_block = None;
4194 }
4195
4196 if let Some((element, element_size, row, x_offset)) = self.render_block(
4197 block,
4198 AvailableSpace::MinContent,
4199 block_id,
4200 row,
4201 snapshot,
4202 text_x,
4203 &rows,
4204 line_layouts,
4205 editor_margins,
4206 line_height,
4207 em_width,
4208 text_hitbox,
4209 editor_width,
4210 scroll_width,
4211 &mut resized_blocks,
4212 &mut row_block_types,
4213 selections,
4214 selected_buffer_ids,
4215 is_row_soft_wrapped,
4216 sticky_header_excerpt_id,
4217 window,
4218 cx,
4219 ) {
4220 fixed_block_max_width = fixed_block_max_width.max(element_size.width + em_width);
4221 blocks.push(BlockLayout {
4222 id: block_id,
4223 x_offset,
4224 row: Some(row),
4225 element,
4226 available_space: size(AvailableSpace::MinContent, element_size.height.into()),
4227 style: BlockStyle::Fixed,
4228 overlaps_gutter: true,
4229 is_buffer_header: block.is_buffer_header(),
4230 });
4231 }
4232 }
4233
4234 for (row, block) in non_fixed_blocks {
4235 let style = block.style();
4236 let width = match (style, block.place_near()) {
4237 (_, true) => AvailableSpace::MinContent,
4238 (BlockStyle::Sticky, _) => hitbox.size.width.into(),
4239 (BlockStyle::Flex, _) => hitbox
4240 .size
4241 .width
4242 .max(fixed_block_max_width)
4243 .max(editor_margins.gutter.width + *scroll_width)
4244 .into(),
4245 (BlockStyle::Fixed, _) => unreachable!(),
4246 };
4247 let block_id = block.id();
4248
4249 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4250 focused_block = None;
4251 }
4252
4253 if let Some((element, element_size, row, x_offset)) = self.render_block(
4254 block,
4255 width,
4256 block_id,
4257 row,
4258 snapshot,
4259 text_x,
4260 &rows,
4261 line_layouts,
4262 editor_margins,
4263 line_height,
4264 em_width,
4265 text_hitbox,
4266 editor_width,
4267 scroll_width,
4268 &mut resized_blocks,
4269 &mut row_block_types,
4270 selections,
4271 selected_buffer_ids,
4272 is_row_soft_wrapped,
4273 sticky_header_excerpt_id,
4274 window,
4275 cx,
4276 ) {
4277 blocks.push(BlockLayout {
4278 id: block_id,
4279 x_offset,
4280 row: Some(row),
4281 element,
4282 available_space: size(width, element_size.height.into()),
4283 style,
4284 overlaps_gutter: !block.place_near(),
4285 is_buffer_header: block.is_buffer_header(),
4286 });
4287 }
4288 }
4289
4290 if let Some(focused_block) = focused_block
4291 && let Some(focus_handle) = focused_block.focus_handle.upgrade()
4292 && focus_handle.is_focused(window)
4293 && let Some(block) = snapshot.block_for_id(focused_block.id)
4294 {
4295 let style = block.style();
4296 let width = match style {
4297 BlockStyle::Fixed => AvailableSpace::MinContent,
4298 BlockStyle::Flex => AvailableSpace::Definite(
4299 hitbox
4300 .size
4301 .width
4302 .max(fixed_block_max_width)
4303 .max(editor_margins.gutter.width + *scroll_width),
4304 ),
4305 BlockStyle::Sticky => AvailableSpace::Definite(hitbox.size.width),
4306 };
4307
4308 if let Some((element, element_size, _, x_offset)) = self.render_block(
4309 &block,
4310 width,
4311 focused_block.id,
4312 rows.end,
4313 snapshot,
4314 text_x,
4315 &rows,
4316 line_layouts,
4317 editor_margins,
4318 line_height,
4319 em_width,
4320 text_hitbox,
4321 editor_width,
4322 scroll_width,
4323 &mut resized_blocks,
4324 &mut row_block_types,
4325 selections,
4326 selected_buffer_ids,
4327 is_row_soft_wrapped,
4328 sticky_header_excerpt_id,
4329 window,
4330 cx,
4331 ) {
4332 blocks.push(BlockLayout {
4333 id: block.id(),
4334 x_offset,
4335 row: None,
4336 element,
4337 available_space: size(width, element_size.height.into()),
4338 style,
4339 overlaps_gutter: true,
4340 is_buffer_header: block.is_buffer_header(),
4341 });
4342 }
4343 }
4344
4345 if resized_blocks.is_empty() {
4346 *scroll_width =
4347 (*scroll_width).max(fixed_block_max_width - editor_margins.gutter.width);
4348 Ok((blocks, row_block_types))
4349 } else {
4350 Err(resized_blocks)
4351 }
4352 }
4353
4354 fn layout_blocks(
4355 &self,
4356 blocks: &mut Vec<BlockLayout>,
4357 hitbox: &Hitbox,
4358 line_height: Pixels,
4359 scroll_position: gpui::Point<ScrollOffset>,
4360 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4361 window: &mut Window,
4362 cx: &mut App,
4363 ) {
4364 for block in blocks {
4365 let mut origin = if let Some(row) = block.row {
4366 hitbox.origin
4367 + point(
4368 block.x_offset,
4369 Pixels::from(
4370 (row.as_f64() - scroll_position.y)
4371 * ScrollPixelOffset::from(line_height),
4372 ),
4373 )
4374 } else {
4375 // Position the block outside the visible area
4376 hitbox.origin + point(Pixels::ZERO, hitbox.size.height)
4377 };
4378
4379 if !matches!(block.style, BlockStyle::Sticky) {
4380 origin += point(Pixels::from(-scroll_pixel_position.x), Pixels::ZERO);
4381 }
4382
4383 let focus_handle =
4384 block
4385 .element
4386 .prepaint_as_root(origin, block.available_space, window, cx);
4387
4388 if let Some(focus_handle) = focus_handle {
4389 self.editor.update(cx, |editor, _cx| {
4390 editor.set_focused_block(FocusedBlock {
4391 id: block.id,
4392 focus_handle: focus_handle.downgrade(),
4393 });
4394 });
4395 }
4396 }
4397 }
4398
4399 fn layout_sticky_buffer_header(
4400 &self,
4401 StickyHeaderExcerpt { excerpt }: StickyHeaderExcerpt<'_>,
4402 scroll_position: gpui::Point<ScrollOffset>,
4403 line_height: Pixels,
4404 right_margin: Pixels,
4405 snapshot: &EditorSnapshot,
4406 hitbox: &Hitbox,
4407 selected_buffer_ids: &Vec<BufferId>,
4408 blocks: &[BlockLayout],
4409 window: &mut Window,
4410 cx: &mut App,
4411 ) -> AnyElement {
4412 let jump_data = header_jump_data(
4413 snapshot,
4414 DisplayRow(scroll_position.y as u32),
4415 FILE_HEADER_HEIGHT + MULTI_BUFFER_EXCERPT_HEADER_HEIGHT,
4416 excerpt,
4417 );
4418
4419 let editor_bg_color = cx.theme().colors().editor_background;
4420
4421 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
4422
4423 let available_width = hitbox.bounds.size.width - right_margin;
4424
4425 let mut header = v_flex()
4426 .w_full()
4427 .relative()
4428 .child(
4429 div()
4430 .w(available_width)
4431 .h(FILE_HEADER_HEIGHT as f32 * line_height)
4432 .bg(linear_gradient(
4433 0.,
4434 linear_color_stop(editor_bg_color.opacity(0.), 0.),
4435 linear_color_stop(editor_bg_color, 0.6),
4436 ))
4437 .absolute()
4438 .top_0(),
4439 )
4440 .child(
4441 self.render_buffer_header(excerpt, false, selected, true, jump_data, window, cx)
4442 .into_any_element(),
4443 )
4444 .into_any_element();
4445
4446 let mut origin = hitbox.origin;
4447 // Move floating header up to avoid colliding with the next buffer header.
4448 for block in blocks.iter() {
4449 if !block.is_buffer_header {
4450 continue;
4451 }
4452
4453 let Some(display_row) = block.row.filter(|row| row.0 > scroll_position.y as u32) else {
4454 continue;
4455 };
4456
4457 let max_row = display_row.0.saturating_sub(FILE_HEADER_HEIGHT);
4458 let offset = scroll_position.y - max_row as f64;
4459
4460 if offset > 0.0 {
4461 origin.y -= Pixels::from(offset * ScrollPixelOffset::from(line_height));
4462 }
4463 break;
4464 }
4465
4466 let size = size(
4467 AvailableSpace::Definite(available_width),
4468 AvailableSpace::MinContent,
4469 );
4470
4471 header.prepaint_as_root(origin, size, window, cx);
4472
4473 header
4474 }
4475
4476 fn layout_cursor_popovers(
4477 &self,
4478 line_height: Pixels,
4479 text_hitbox: &Hitbox,
4480 content_origin: gpui::Point<Pixels>,
4481 right_margin: Pixels,
4482 start_row: DisplayRow,
4483 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4484 line_layouts: &[LineWithInvisibles],
4485 cursor: DisplayPoint,
4486 cursor_point: Point,
4487 style: &EditorStyle,
4488 window: &mut Window,
4489 cx: &mut App,
4490 ) -> Option<ContextMenuLayout> {
4491 let mut min_menu_height = Pixels::ZERO;
4492 let mut max_menu_height = Pixels::ZERO;
4493 let mut height_above_menu = Pixels::ZERO;
4494 let height_below_menu = Pixels::ZERO;
4495 let mut edit_prediction_popover_visible = false;
4496 let mut context_menu_visible = false;
4497 let context_menu_placement;
4498
4499 {
4500 let editor = self.editor.read(cx);
4501 if editor.edit_prediction_visible_in_cursor_popover(editor.has_active_edit_prediction())
4502 {
4503 height_above_menu +=
4504 editor.edit_prediction_cursor_popover_height() + POPOVER_Y_PADDING;
4505 edit_prediction_popover_visible = true;
4506 }
4507
4508 if editor.context_menu_visible()
4509 && let Some(crate::ContextMenuOrigin::Cursor) = editor.context_menu_origin()
4510 {
4511 let (min_height_in_lines, max_height_in_lines) = editor
4512 .context_menu_options
4513 .as_ref()
4514 .map_or((3, 12), |options| {
4515 (options.min_entries_visible, options.max_entries_visible)
4516 });
4517
4518 min_menu_height += line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4519 max_menu_height += line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4520 context_menu_visible = true;
4521 }
4522 context_menu_placement = editor
4523 .context_menu_options
4524 .as_ref()
4525 .and_then(|options| options.placement.clone());
4526 }
4527
4528 let visible = edit_prediction_popover_visible || context_menu_visible;
4529 if !visible {
4530 return None;
4531 }
4532
4533 let cursor_row_layout = &line_layouts[cursor.row().minus(start_row) as usize];
4534 let target_position = content_origin
4535 + gpui::Point {
4536 x: cmp::max(
4537 px(0.),
4538 Pixels::from(
4539 ScrollPixelOffset::from(
4540 cursor_row_layout.x_for_index(cursor.column() as usize),
4541 ) - scroll_pixel_position.x,
4542 ),
4543 ),
4544 y: cmp::max(
4545 px(0.),
4546 Pixels::from(
4547 cursor.row().next_row().as_f64() * ScrollPixelOffset::from(line_height)
4548 - scroll_pixel_position.y,
4549 ),
4550 ),
4551 };
4552
4553 let viewport_bounds =
4554 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4555 right: -right_margin - MENU_GAP,
4556 ..Default::default()
4557 });
4558
4559 let min_height = height_above_menu + min_menu_height + height_below_menu;
4560 let max_height = height_above_menu + max_menu_height + height_below_menu;
4561 let (laid_out_popovers, y_flipped) = self.layout_popovers_above_or_below_line(
4562 target_position,
4563 line_height,
4564 min_height,
4565 max_height,
4566 context_menu_placement,
4567 text_hitbox,
4568 viewport_bounds,
4569 window,
4570 cx,
4571 |height, max_width_for_stable_x, y_flipped, window, cx| {
4572 // First layout the menu to get its size - others can be at least this wide.
4573 let context_menu = if context_menu_visible {
4574 let menu_height = if y_flipped {
4575 height - height_below_menu
4576 } else {
4577 height - height_above_menu
4578 };
4579 let mut element = self
4580 .render_context_menu(line_height, menu_height, window, cx)
4581 .expect("Visible context menu should always render.");
4582 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4583 Some((CursorPopoverType::CodeContextMenu, element, size))
4584 } else {
4585 None
4586 };
4587 let min_width = context_menu
4588 .as_ref()
4589 .map_or(px(0.), |(_, _, size)| size.width);
4590 let max_width = max_width_for_stable_x.max(
4591 context_menu
4592 .as_ref()
4593 .map_or(px(0.), |(_, _, size)| size.width),
4594 );
4595
4596 let edit_prediction = if edit_prediction_popover_visible {
4597 self.editor.update(cx, move |editor, cx| {
4598 let accept_binding =
4599 editor.accept_edit_prediction_keybind(false, window, cx);
4600 let mut element = editor.render_edit_prediction_cursor_popover(
4601 min_width,
4602 max_width,
4603 cursor_point,
4604 style,
4605 accept_binding.keystroke(),
4606 window,
4607 cx,
4608 )?;
4609 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4610 Some((CursorPopoverType::EditPrediction, element, size))
4611 })
4612 } else {
4613 None
4614 };
4615 vec![edit_prediction, context_menu]
4616 .into_iter()
4617 .flatten()
4618 .collect::<Vec<_>>()
4619 },
4620 )?;
4621
4622 let (menu_ix, (_, menu_bounds)) = laid_out_popovers
4623 .iter()
4624 .find_position(|(x, _)| matches!(x, CursorPopoverType::CodeContextMenu))?;
4625 let last_ix = laid_out_popovers.len() - 1;
4626 let menu_is_last = menu_ix == last_ix;
4627 let first_popover_bounds = laid_out_popovers[0].1;
4628 let last_popover_bounds = laid_out_popovers[last_ix].1;
4629
4630 // Bounds to layout the aside around. When y_flipped, the aside goes either above or to the
4631 // right, and otherwise it goes below or to the right.
4632 let mut target_bounds = Bounds::from_corners(
4633 first_popover_bounds.origin,
4634 last_popover_bounds.bottom_right(),
4635 );
4636 target_bounds.size.width = menu_bounds.size.width;
4637
4638 // Like `target_bounds`, but with the max height it could occupy. Choosing an aside position
4639 // based on this is preferred for layout stability.
4640 let mut max_target_bounds = target_bounds;
4641 max_target_bounds.size.height = max_height;
4642 if y_flipped {
4643 max_target_bounds.origin.y -= max_height - target_bounds.size.height;
4644 }
4645
4646 // Add spacing around `target_bounds` and `max_target_bounds`.
4647 let mut extend_amount = Edges::all(MENU_GAP);
4648 if y_flipped {
4649 extend_amount.bottom = line_height;
4650 } else {
4651 extend_amount.top = line_height;
4652 }
4653 let target_bounds = target_bounds.extend(extend_amount);
4654 let max_target_bounds = max_target_bounds.extend(extend_amount);
4655
4656 let must_place_above_or_below =
4657 if y_flipped && !menu_is_last && menu_bounds.size.height < max_menu_height {
4658 laid_out_popovers[menu_ix + 1..]
4659 .iter()
4660 .any(|(_, popover_bounds)| popover_bounds.size.width > menu_bounds.size.width)
4661 } else {
4662 false
4663 };
4664
4665 let aside_bounds = self.layout_context_menu_aside(
4666 y_flipped,
4667 *menu_bounds,
4668 target_bounds,
4669 max_target_bounds,
4670 max_menu_height,
4671 must_place_above_or_below,
4672 text_hitbox,
4673 viewport_bounds,
4674 window,
4675 cx,
4676 );
4677
4678 if let Some(menu_bounds) = laid_out_popovers.iter().find_map(|(popover_type, bounds)| {
4679 if matches!(popover_type, CursorPopoverType::CodeContextMenu) {
4680 Some(*bounds)
4681 } else {
4682 None
4683 }
4684 }) {
4685 let bounds = if let Some(aside_bounds) = aside_bounds {
4686 menu_bounds.union(&aside_bounds)
4687 } else {
4688 menu_bounds
4689 };
4690 return Some(ContextMenuLayout { y_flipped, bounds });
4691 }
4692
4693 None
4694 }
4695
4696 fn layout_gutter_menu(
4697 &self,
4698 line_height: Pixels,
4699 text_hitbox: &Hitbox,
4700 content_origin: gpui::Point<Pixels>,
4701 right_margin: Pixels,
4702 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4703 gutter_overshoot: Pixels,
4704 window: &mut Window,
4705 cx: &mut App,
4706 ) {
4707 let editor = self.editor.read(cx);
4708 if !editor.context_menu_visible() {
4709 return;
4710 }
4711 let Some(crate::ContextMenuOrigin::GutterIndicator(gutter_row)) =
4712 editor.context_menu_origin()
4713 else {
4714 return;
4715 };
4716 // Context menu was spawned via a click on a gutter. Ensure it's a bit closer to the
4717 // indicator than just a plain first column of the text field.
4718 let target_position = content_origin
4719 + gpui::Point {
4720 x: -gutter_overshoot,
4721 y: Pixels::from(
4722 gutter_row.next_row().as_f64() * ScrollPixelOffset::from(line_height)
4723 - scroll_pixel_position.y,
4724 ),
4725 };
4726
4727 let (min_height_in_lines, max_height_in_lines) = editor
4728 .context_menu_options
4729 .as_ref()
4730 .map_or((3, 12), |options| {
4731 (options.min_entries_visible, options.max_entries_visible)
4732 });
4733
4734 let min_height = line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4735 let max_height = line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4736 let viewport_bounds =
4737 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4738 right: -right_margin - MENU_GAP,
4739 ..Default::default()
4740 });
4741 self.layout_popovers_above_or_below_line(
4742 target_position,
4743 line_height,
4744 min_height,
4745 max_height,
4746 editor
4747 .context_menu_options
4748 .as_ref()
4749 .and_then(|options| options.placement.clone()),
4750 text_hitbox,
4751 viewport_bounds,
4752 window,
4753 cx,
4754 move |height, _max_width_for_stable_x, _, window, cx| {
4755 let mut element = self
4756 .render_context_menu(line_height, height, window, cx)
4757 .expect("Visible context menu should always render.");
4758 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4759 vec![(CursorPopoverType::CodeContextMenu, element, size)]
4760 },
4761 );
4762 }
4763
4764 fn layout_popovers_above_or_below_line(
4765 &self,
4766 target_position: gpui::Point<Pixels>,
4767 line_height: Pixels,
4768 min_height: Pixels,
4769 max_height: Pixels,
4770 placement: Option<ContextMenuPlacement>,
4771 text_hitbox: &Hitbox,
4772 viewport_bounds: Bounds<Pixels>,
4773 window: &mut Window,
4774 cx: &mut App,
4775 make_sized_popovers: impl FnOnce(
4776 Pixels,
4777 Pixels,
4778 bool,
4779 &mut Window,
4780 &mut App,
4781 ) -> Vec<(CursorPopoverType, AnyElement, Size<Pixels>)>,
4782 ) -> Option<(Vec<(CursorPopoverType, Bounds<Pixels>)>, bool)> {
4783 let text_style = TextStyleRefinement {
4784 line_height: Some(DefiniteLength::Fraction(
4785 BufferLineHeight::Comfortable.value(),
4786 )),
4787 ..Default::default()
4788 };
4789 window.with_text_style(Some(text_style), |window| {
4790 // If the max height won't fit below and there is more space above, put it above the line.
4791 let bottom_y_when_flipped = target_position.y - line_height;
4792 let available_above = bottom_y_when_flipped - text_hitbox.top();
4793 let available_below = text_hitbox.bottom() - target_position.y;
4794 let y_overflows_below = max_height > available_below;
4795 let mut y_flipped = match placement {
4796 Some(ContextMenuPlacement::Above) => true,
4797 Some(ContextMenuPlacement::Below) => false,
4798 None => y_overflows_below && available_above > available_below,
4799 };
4800 let mut height = cmp::min(
4801 max_height,
4802 if y_flipped {
4803 available_above
4804 } else {
4805 available_below
4806 },
4807 );
4808
4809 // If the min height doesn't fit within text bounds, instead fit within the window.
4810 if height < min_height {
4811 let available_above = bottom_y_when_flipped;
4812 let available_below = viewport_bounds.bottom() - target_position.y;
4813 let (y_flipped_override, height_override) = match placement {
4814 Some(ContextMenuPlacement::Above) => {
4815 (true, cmp::min(available_above, min_height))
4816 }
4817 Some(ContextMenuPlacement::Below) => {
4818 (false, cmp::min(available_below, min_height))
4819 }
4820 None => {
4821 if available_below > min_height {
4822 (false, min_height)
4823 } else if available_above > min_height {
4824 (true, min_height)
4825 } else if available_above > available_below {
4826 (true, available_above)
4827 } else {
4828 (false, available_below)
4829 }
4830 }
4831 };
4832 y_flipped = y_flipped_override;
4833 height = height_override;
4834 }
4835
4836 let max_width_for_stable_x = viewport_bounds.right() - target_position.x;
4837
4838 // TODO: Use viewport_bounds.width as a max width so that it doesn't get clipped on the left
4839 // for very narrow windows.
4840 let popovers =
4841 make_sized_popovers(height, max_width_for_stable_x, y_flipped, window, cx);
4842 if popovers.is_empty() {
4843 return None;
4844 }
4845
4846 let max_width = popovers
4847 .iter()
4848 .map(|(_, _, size)| size.width)
4849 .max()
4850 .unwrap_or_default();
4851
4852 let mut current_position = gpui::Point {
4853 // Snap the right edge of the list to the right edge of the window if its horizontal bounds
4854 // overflow. Include space for the scrollbar.
4855 x: target_position
4856 .x
4857 .min((viewport_bounds.right() - max_width).max(Pixels::ZERO)),
4858 y: if y_flipped {
4859 bottom_y_when_flipped
4860 } else {
4861 target_position.y
4862 },
4863 };
4864
4865 let mut laid_out_popovers = popovers
4866 .into_iter()
4867 .map(|(popover_type, element, size)| {
4868 if y_flipped {
4869 current_position.y -= size.height;
4870 }
4871 let position = current_position;
4872 window.defer_draw(element, current_position, 1);
4873 if !y_flipped {
4874 current_position.y += size.height + MENU_GAP;
4875 } else {
4876 current_position.y -= MENU_GAP;
4877 }
4878 (popover_type, Bounds::new(position, size))
4879 })
4880 .collect::<Vec<_>>();
4881
4882 if y_flipped {
4883 laid_out_popovers.reverse();
4884 }
4885
4886 Some((laid_out_popovers, y_flipped))
4887 })
4888 }
4889
4890 fn layout_context_menu_aside(
4891 &self,
4892 y_flipped: bool,
4893 menu_bounds: Bounds<Pixels>,
4894 target_bounds: Bounds<Pixels>,
4895 max_target_bounds: Bounds<Pixels>,
4896 max_height: Pixels,
4897 must_place_above_or_below: bool,
4898 text_hitbox: &Hitbox,
4899 viewport_bounds: Bounds<Pixels>,
4900 window: &mut Window,
4901 cx: &mut App,
4902 ) -> Option<Bounds<Pixels>> {
4903 let available_within_viewport = target_bounds.space_within(&viewport_bounds);
4904 let positioned_aside = if available_within_viewport.right >= MENU_ASIDE_MIN_WIDTH
4905 && !must_place_above_or_below
4906 {
4907 let max_width = cmp::min(
4908 available_within_viewport.right - px(1.),
4909 MENU_ASIDE_MAX_WIDTH,
4910 );
4911 let mut aside = self.render_context_menu_aside(
4912 size(max_width, max_height - POPOVER_Y_PADDING),
4913 window,
4914 cx,
4915 )?;
4916 let size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4917 let right_position = point(target_bounds.right(), menu_bounds.origin.y);
4918 Some((aside, right_position, size))
4919 } else {
4920 let max_size = size(
4921 // TODO(mgsloan): Once the menu is bounded by viewport width the bound on viewport
4922 // won't be needed here.
4923 cmp::min(
4924 cmp::max(menu_bounds.size.width - px(2.), MENU_ASIDE_MIN_WIDTH),
4925 viewport_bounds.right(),
4926 ),
4927 cmp::min(
4928 max_height,
4929 cmp::max(
4930 available_within_viewport.top,
4931 available_within_viewport.bottom,
4932 ),
4933 ) - POPOVER_Y_PADDING,
4934 );
4935 let mut aside = self.render_context_menu_aside(max_size, window, cx)?;
4936 let actual_size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4937
4938 let top_position = point(
4939 menu_bounds.origin.x,
4940 target_bounds.top() - actual_size.height,
4941 );
4942 let bottom_position = point(menu_bounds.origin.x, target_bounds.bottom());
4943
4944 let fit_within = |available: Edges<Pixels>, wanted: Size<Pixels>| {
4945 // Prefer to fit on the same side of the line as the menu, then on the other side of
4946 // the line.
4947 if !y_flipped && wanted.height < available.bottom {
4948 Some(bottom_position)
4949 } else if !y_flipped && wanted.height < available.top {
4950 Some(top_position)
4951 } else if y_flipped && wanted.height < available.top {
4952 Some(top_position)
4953 } else if y_flipped && wanted.height < available.bottom {
4954 Some(bottom_position)
4955 } else {
4956 None
4957 }
4958 };
4959
4960 // Prefer choosing a direction using max sizes rather than actual size for stability.
4961 let available_within_text = max_target_bounds.space_within(&text_hitbox.bounds);
4962 let wanted = size(MENU_ASIDE_MAX_WIDTH, max_height);
4963 let aside_position = fit_within(available_within_text, wanted)
4964 // Fallback: fit max size in window.
4965 .or_else(|| fit_within(max_target_bounds.space_within(&viewport_bounds), wanted))
4966 // Fallback: fit actual size in window.
4967 .or_else(|| fit_within(available_within_viewport, actual_size));
4968
4969 aside_position.map(|position| (aside, position, actual_size))
4970 };
4971
4972 // Skip drawing if it doesn't fit anywhere.
4973 if let Some((aside, position, size)) = positioned_aside {
4974 let aside_bounds = Bounds::new(position, size);
4975 window.defer_draw(aside, position, 2);
4976 return Some(aside_bounds);
4977 }
4978
4979 None
4980 }
4981
4982 fn render_context_menu(
4983 &self,
4984 line_height: Pixels,
4985 height: Pixels,
4986 window: &mut Window,
4987 cx: &mut App,
4988 ) -> Option<AnyElement> {
4989 let max_height_in_lines = ((height - POPOVER_Y_PADDING) / line_height).floor() as u32;
4990 self.editor.update(cx, |editor, cx| {
4991 editor.render_context_menu(&self.style, max_height_in_lines, window, cx)
4992 })
4993 }
4994
4995 fn render_context_menu_aside(
4996 &self,
4997 max_size: Size<Pixels>,
4998 window: &mut Window,
4999 cx: &mut App,
5000 ) -> Option<AnyElement> {
5001 if max_size.width < px(100.) || max_size.height < px(12.) {
5002 None
5003 } else {
5004 self.editor.update(cx, |editor, cx| {
5005 editor.render_context_menu_aside(max_size, window, cx)
5006 })
5007 }
5008 }
5009
5010 fn layout_mouse_context_menu(
5011 &self,
5012 editor_snapshot: &EditorSnapshot,
5013 visible_range: Range<DisplayRow>,
5014 content_origin: gpui::Point<Pixels>,
5015 window: &mut Window,
5016 cx: &mut App,
5017 ) -> Option<AnyElement> {
5018 let position = self.editor.update(cx, |editor, _cx| {
5019 let visible_start_point = editor.display_to_pixel_point(
5020 DisplayPoint::new(visible_range.start, 0),
5021 editor_snapshot,
5022 window,
5023 )?;
5024 let visible_end_point = editor.display_to_pixel_point(
5025 DisplayPoint::new(visible_range.end, 0),
5026 editor_snapshot,
5027 window,
5028 )?;
5029
5030 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
5031 let (source_display_point, position) = match mouse_context_menu.position {
5032 MenuPosition::PinnedToScreen(point) => (None, point),
5033 MenuPosition::PinnedToEditor { source, offset } => {
5034 let source_display_point = source.to_display_point(editor_snapshot);
5035 let source_point = editor.to_pixel_point(source, editor_snapshot, window)?;
5036 let position = content_origin + source_point + offset;
5037 (Some(source_display_point), position)
5038 }
5039 };
5040
5041 let source_included = source_display_point.is_none_or(|source_display_point| {
5042 visible_range
5043 .to_inclusive()
5044 .contains(&source_display_point.row())
5045 });
5046 let position_included =
5047 visible_start_point.y <= position.y && position.y <= visible_end_point.y;
5048 if !source_included && !position_included {
5049 None
5050 } else {
5051 Some(position)
5052 }
5053 })?;
5054
5055 let text_style = TextStyleRefinement {
5056 line_height: Some(DefiniteLength::Fraction(
5057 BufferLineHeight::Comfortable.value(),
5058 )),
5059 ..Default::default()
5060 };
5061 window.with_text_style(Some(text_style), |window| {
5062 let mut element = self.editor.read_with(cx, |editor, _| {
5063 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
5064 let context_menu = mouse_context_menu.context_menu.clone();
5065
5066 Some(
5067 deferred(
5068 anchored()
5069 .position(position)
5070 .child(context_menu)
5071 .anchor(Corner::TopLeft)
5072 .snap_to_window_with_margin(px(8.)),
5073 )
5074 .with_priority(1)
5075 .into_any(),
5076 )
5077 })?;
5078
5079 element.prepaint_as_root(position, AvailableSpace::min_size(), window, cx);
5080 Some(element)
5081 })
5082 }
5083
5084 fn layout_hover_popovers(
5085 &self,
5086 snapshot: &EditorSnapshot,
5087 hitbox: &Hitbox,
5088 visible_display_row_range: Range<DisplayRow>,
5089 content_origin: gpui::Point<Pixels>,
5090 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5091 line_layouts: &[LineWithInvisibles],
5092 line_height: Pixels,
5093 em_width: Pixels,
5094 context_menu_layout: Option<ContextMenuLayout>,
5095 window: &mut Window,
5096 cx: &mut App,
5097 ) {
5098 struct MeasuredHoverPopover {
5099 element: AnyElement,
5100 size: Size<Pixels>,
5101 horizontal_offset: Pixels,
5102 }
5103
5104 let max_size = size(
5105 (120. * em_width) // Default size
5106 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5107 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5108 (16. * line_height) // Default size
5109 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5110 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5111 );
5112
5113 let hover_popovers = self.editor.update(cx, |editor, cx| {
5114 editor.hover_state.render(
5115 snapshot,
5116 visible_display_row_range.clone(),
5117 max_size,
5118 window,
5119 cx,
5120 )
5121 });
5122 let Some((position, hover_popovers)) = hover_popovers else {
5123 return;
5124 };
5125
5126 // This is safe because we check on layout whether the required row is available
5127 let hovered_row_layout =
5128 &line_layouts[position.row().minus(visible_display_row_range.start) as usize];
5129
5130 // Compute Hovered Point
5131 let x = hovered_row_layout.x_for_index(position.column() as usize)
5132 - Pixels::from(scroll_pixel_position.x);
5133 let y = Pixels::from(
5134 position.row().as_f64() * ScrollPixelOffset::from(line_height)
5135 - scroll_pixel_position.y,
5136 );
5137 let hovered_point = content_origin + point(x, y);
5138
5139 let mut overall_height = Pixels::ZERO;
5140 let mut measured_hover_popovers = Vec::new();
5141 for (position, mut hover_popover) in hover_popovers.into_iter().with_position() {
5142 let size = hover_popover.layout_as_root(AvailableSpace::min_size(), window, cx);
5143 let horizontal_offset =
5144 (hitbox.top_right().x - POPOVER_RIGHT_OFFSET - (hovered_point.x + size.width))
5145 .min(Pixels::ZERO);
5146 match position {
5147 itertools::Position::Middle | itertools::Position::Last => {
5148 overall_height += HOVER_POPOVER_GAP
5149 }
5150 _ => {}
5151 }
5152 overall_height += size.height;
5153 measured_hover_popovers.push(MeasuredHoverPopover {
5154 element: hover_popover,
5155 size,
5156 horizontal_offset,
5157 });
5158 }
5159
5160 fn draw_occluder(
5161 width: Pixels,
5162 origin: gpui::Point<Pixels>,
5163 window: &mut Window,
5164 cx: &mut App,
5165 ) {
5166 let mut occlusion = div()
5167 .size_full()
5168 .occlude()
5169 .on_mouse_move(|_, _, cx| cx.stop_propagation())
5170 .into_any_element();
5171 occlusion.layout_as_root(size(width, HOVER_POPOVER_GAP).into(), window, cx);
5172 window.defer_draw(occlusion, origin, 2);
5173 }
5174
5175 fn place_popovers_above(
5176 hovered_point: gpui::Point<Pixels>,
5177 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5178 window: &mut Window,
5179 cx: &mut App,
5180 ) {
5181 let mut current_y = hovered_point.y;
5182 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5183 let size = popover.size;
5184 let popover_origin = point(
5185 hovered_point.x + popover.horizontal_offset,
5186 current_y - size.height,
5187 );
5188
5189 window.defer_draw(popover.element, popover_origin, 2);
5190 if position != itertools::Position::Last {
5191 let origin = point(popover_origin.x, popover_origin.y - HOVER_POPOVER_GAP);
5192 draw_occluder(size.width, origin, window, cx);
5193 }
5194
5195 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5196 }
5197 }
5198
5199 fn place_popovers_below(
5200 hovered_point: gpui::Point<Pixels>,
5201 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5202 line_height: Pixels,
5203 window: &mut Window,
5204 cx: &mut App,
5205 ) {
5206 let mut current_y = hovered_point.y + line_height;
5207 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5208 let size = popover.size;
5209 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5210
5211 window.defer_draw(popover.element, popover_origin, 2);
5212 if position != itertools::Position::Last {
5213 let origin = point(popover_origin.x, popover_origin.y + size.height);
5214 draw_occluder(size.width, origin, window, cx);
5215 }
5216
5217 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5218 }
5219 }
5220
5221 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5222 context_menu_layout
5223 .as_ref()
5224 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5225 };
5226
5227 let can_place_above = {
5228 let mut bounds_above = Vec::new();
5229 let mut current_y = hovered_point.y;
5230 for popover in &measured_hover_popovers {
5231 let size = popover.size;
5232 let popover_origin = point(
5233 hovered_point.x + popover.horizontal_offset,
5234 current_y - size.height,
5235 );
5236 bounds_above.push(Bounds::new(popover_origin, size));
5237 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5238 }
5239 bounds_above
5240 .iter()
5241 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5242 };
5243
5244 let can_place_below = || {
5245 let mut bounds_below = Vec::new();
5246 let mut current_y = hovered_point.y + line_height;
5247 for popover in &measured_hover_popovers {
5248 let size = popover.size;
5249 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5250 bounds_below.push(Bounds::new(popover_origin, size));
5251 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5252 }
5253 bounds_below
5254 .iter()
5255 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5256 };
5257
5258 if can_place_above {
5259 // try placing above hovered point
5260 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5261 } else if can_place_below() {
5262 // try placing below hovered point
5263 place_popovers_below(
5264 hovered_point,
5265 measured_hover_popovers,
5266 line_height,
5267 window,
5268 cx,
5269 );
5270 } else {
5271 // try to place popovers around the context menu
5272 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5273 let total_width = measured_hover_popovers
5274 .iter()
5275 .map(|p| p.size.width)
5276 .max()
5277 .unwrap_or(Pixels::ZERO);
5278 let y_for_horizontal_positioning = if menu.y_flipped {
5279 menu.bounds.bottom() - overall_height
5280 } else {
5281 menu.bounds.top()
5282 };
5283 let possible_origins = vec![
5284 // left of context menu
5285 point(
5286 menu.bounds.left() - total_width - HOVER_POPOVER_GAP,
5287 y_for_horizontal_positioning,
5288 ),
5289 // right of context menu
5290 point(
5291 menu.bounds.right() + HOVER_POPOVER_GAP,
5292 y_for_horizontal_positioning,
5293 ),
5294 // top of context menu
5295 point(
5296 menu.bounds.left(),
5297 menu.bounds.top() - overall_height - HOVER_POPOVER_GAP,
5298 ),
5299 // bottom of context menu
5300 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5301 ];
5302 possible_origins.into_iter().find(|&origin| {
5303 Bounds::new(origin, size(total_width, overall_height))
5304 .is_contained_within(hitbox)
5305 })
5306 });
5307 if let Some(origin) = origin_surrounding_menu {
5308 let mut current_y = origin.y;
5309 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5310 let size = popover.size;
5311 let popover_origin = point(origin.x, current_y);
5312
5313 window.defer_draw(popover.element, popover_origin, 2);
5314 if position != itertools::Position::Last {
5315 let origin = point(popover_origin.x, popover_origin.y + size.height);
5316 draw_occluder(size.width, origin, window, cx);
5317 }
5318
5319 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5320 }
5321 } else {
5322 // fallback to existing above/below cursor logic
5323 // this might overlap menu or overflow in rare case
5324 if can_place_above {
5325 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5326 } else {
5327 place_popovers_below(
5328 hovered_point,
5329 measured_hover_popovers,
5330 line_height,
5331 window,
5332 cx,
5333 );
5334 }
5335 }
5336 }
5337 }
5338
5339 fn layout_diff_hunk_controls(
5340 &self,
5341 row_range: Range<DisplayRow>,
5342 row_infos: &[RowInfo],
5343 text_hitbox: &Hitbox,
5344 newest_cursor_position: Option<DisplayPoint>,
5345 line_height: Pixels,
5346 right_margin: Pixels,
5347 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5348 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
5349 highlighted_rows: &BTreeMap<DisplayRow, LineHighlight>,
5350 editor: Entity<Editor>,
5351 window: &mut Window,
5352 cx: &mut App,
5353 ) -> (Vec<AnyElement>, Vec<(DisplayRow, Bounds<Pixels>)>) {
5354 let render_diff_hunk_controls = editor.read(cx).render_diff_hunk_controls.clone();
5355 let hovered_diff_hunk_row = editor.read(cx).hovered_diff_hunk_row;
5356
5357 let mut controls = vec![];
5358 let mut control_bounds = vec![];
5359
5360 let active_positions = [
5361 hovered_diff_hunk_row.map(|row| DisplayPoint::new(row, 0)),
5362 newest_cursor_position,
5363 ];
5364
5365 for (hunk, _) in display_hunks {
5366 if let DisplayDiffHunk::Unfolded {
5367 display_row_range,
5368 multi_buffer_range,
5369 status,
5370 is_created_file,
5371 ..
5372 } = &hunk
5373 {
5374 if display_row_range.start < row_range.start
5375 || display_row_range.start >= row_range.end
5376 {
5377 continue;
5378 }
5379 if highlighted_rows
5380 .get(&display_row_range.start)
5381 .and_then(|highlight| highlight.type_id)
5382 .is_some_and(|type_id| {
5383 [
5384 TypeId::of::<ConflictsOuter>(),
5385 TypeId::of::<ConflictsOursMarker>(),
5386 TypeId::of::<ConflictsOurs>(),
5387 TypeId::of::<ConflictsTheirs>(),
5388 TypeId::of::<ConflictsTheirsMarker>(),
5389 ]
5390 .contains(&type_id)
5391 })
5392 {
5393 continue;
5394 }
5395 let row_ix = (display_row_range.start - row_range.start).0 as usize;
5396 if row_infos[row_ix].diff_status.is_none() {
5397 continue;
5398 }
5399 if row_infos[row_ix]
5400 .diff_status
5401 .is_some_and(|status| status.is_added())
5402 && !status.is_added()
5403 {
5404 continue;
5405 }
5406
5407 if active_positions
5408 .iter()
5409 .any(|p| p.is_some_and(|p| display_row_range.contains(&p.row())))
5410 {
5411 let y = (display_row_range.start.as_f64()
5412 * ScrollPixelOffset::from(line_height)
5413 + ScrollPixelOffset::from(text_hitbox.bounds.top())
5414 - scroll_pixel_position.y)
5415 .into();
5416
5417 let mut element = render_diff_hunk_controls(
5418 display_row_range.start.0,
5419 status,
5420 multi_buffer_range.clone(),
5421 *is_created_file,
5422 line_height,
5423 &editor,
5424 window,
5425 cx,
5426 );
5427 let size =
5428 element.layout_as_root(size(px(100.0), line_height).into(), window, cx);
5429
5430 let x = text_hitbox.bounds.right() - right_margin - px(10.) - size.width;
5431
5432 let bounds = Bounds::new(gpui::Point::new(x, y), size);
5433 control_bounds.push((display_row_range.start, bounds));
5434
5435 window.with_absolute_element_offset(gpui::Point::new(x, y), |window| {
5436 element.prepaint(window, cx)
5437 });
5438 controls.push(element);
5439 }
5440 }
5441 }
5442
5443 (controls, control_bounds)
5444 }
5445
5446 fn layout_signature_help(
5447 &self,
5448 hitbox: &Hitbox,
5449 content_origin: gpui::Point<Pixels>,
5450 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5451 newest_selection_head: Option<DisplayPoint>,
5452 start_row: DisplayRow,
5453 line_layouts: &[LineWithInvisibles],
5454 line_height: Pixels,
5455 em_width: Pixels,
5456 context_menu_layout: Option<ContextMenuLayout>,
5457 window: &mut Window,
5458 cx: &mut App,
5459 ) {
5460 if !self.editor.focus_handle(cx).is_focused(window) {
5461 return;
5462 }
5463 let Some(newest_selection_head) = newest_selection_head else {
5464 return;
5465 };
5466
5467 let max_size = size(
5468 (120. * em_width) // Default size
5469 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5470 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5471 (16. * line_height) // Default size
5472 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5473 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5474 );
5475
5476 let maybe_element = self.editor.update(cx, |editor, cx| {
5477 if let Some(popover) = editor.signature_help_state.popover_mut() {
5478 let element = popover.render(max_size, window, cx);
5479 Some(element)
5480 } else {
5481 None
5482 }
5483 });
5484 let Some(mut element) = maybe_element else {
5485 return;
5486 };
5487
5488 let selection_row = newest_selection_head.row();
5489 let Some(cursor_row_layout) = (selection_row >= start_row)
5490 .then(|| line_layouts.get(selection_row.minus(start_row) as usize))
5491 .flatten()
5492 else {
5493 return;
5494 };
5495
5496 let target_x = cursor_row_layout.x_for_index(newest_selection_head.column() as usize)
5497 - Pixels::from(scroll_pixel_position.x);
5498 let target_y = Pixels::from(
5499 selection_row.as_f64() * ScrollPixelOffset::from(line_height) - scroll_pixel_position.y,
5500 );
5501 let target_point = content_origin + point(target_x, target_y);
5502
5503 let actual_size = element.layout_as_root(Size::<AvailableSpace>::default(), window, cx);
5504
5505 let (popover_bounds_above, popover_bounds_below) = {
5506 let horizontal_offset = (hitbox.top_right().x
5507 - POPOVER_RIGHT_OFFSET
5508 - (target_point.x + actual_size.width))
5509 .min(Pixels::ZERO);
5510 let initial_x = target_point.x + horizontal_offset;
5511 (
5512 Bounds::new(
5513 point(initial_x, target_point.y - actual_size.height),
5514 actual_size,
5515 ),
5516 Bounds::new(
5517 point(initial_x, target_point.y + line_height + HOVER_POPOVER_GAP),
5518 actual_size,
5519 ),
5520 )
5521 };
5522
5523 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5524 context_menu_layout
5525 .as_ref()
5526 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5527 };
5528
5529 let final_origin = if popover_bounds_above.is_contained_within(hitbox)
5530 && !intersects_menu(popover_bounds_above)
5531 {
5532 // try placing above cursor
5533 popover_bounds_above.origin
5534 } else if popover_bounds_below.is_contained_within(hitbox)
5535 && !intersects_menu(popover_bounds_below)
5536 {
5537 // try placing below cursor
5538 popover_bounds_below.origin
5539 } else {
5540 // try surrounding context menu if exists
5541 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5542 let y_for_horizontal_positioning = if menu.y_flipped {
5543 menu.bounds.bottom() - actual_size.height
5544 } else {
5545 menu.bounds.top()
5546 };
5547 let possible_origins = vec![
5548 // left of context menu
5549 point(
5550 menu.bounds.left() - actual_size.width - HOVER_POPOVER_GAP,
5551 y_for_horizontal_positioning,
5552 ),
5553 // right of context menu
5554 point(
5555 menu.bounds.right() + HOVER_POPOVER_GAP,
5556 y_for_horizontal_positioning,
5557 ),
5558 // top of context menu
5559 point(
5560 menu.bounds.left(),
5561 menu.bounds.top() - actual_size.height - HOVER_POPOVER_GAP,
5562 ),
5563 // bottom of context menu
5564 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5565 ];
5566 possible_origins
5567 .into_iter()
5568 .find(|&origin| Bounds::new(origin, actual_size).is_contained_within(hitbox))
5569 });
5570 origin_surrounding_menu.unwrap_or_else(|| {
5571 // fallback to existing above/below cursor logic
5572 // this might overlap menu or overflow in rare case
5573 if popover_bounds_above.is_contained_within(hitbox) {
5574 popover_bounds_above.origin
5575 } else {
5576 popover_bounds_below.origin
5577 }
5578 })
5579 };
5580
5581 window.defer_draw(element, final_origin, 2);
5582 }
5583
5584 fn paint_background(&self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
5585 window.paint_layer(layout.hitbox.bounds, |window| {
5586 let scroll_top = layout.position_map.snapshot.scroll_position().y;
5587 let gutter_bg = cx.theme().colors().editor_gutter_background;
5588 window.paint_quad(fill(layout.gutter_hitbox.bounds, gutter_bg));
5589 window.paint_quad(fill(
5590 layout.position_map.text_hitbox.bounds,
5591 self.style.background,
5592 ));
5593
5594 if matches!(
5595 layout.mode,
5596 EditorMode::Full { .. } | EditorMode::Minimap { .. }
5597 ) {
5598 let show_active_line_background = match layout.mode {
5599 EditorMode::Full {
5600 show_active_line_background,
5601 ..
5602 } => show_active_line_background,
5603 EditorMode::Minimap { .. } => true,
5604 _ => false,
5605 };
5606 let mut active_rows = layout.active_rows.iter().peekable();
5607 while let Some((start_row, contains_non_empty_selection)) = active_rows.next() {
5608 let mut end_row = start_row.0;
5609 while active_rows
5610 .peek()
5611 .is_some_and(|(active_row, has_selection)| {
5612 active_row.0 == end_row + 1
5613 && has_selection.selection == contains_non_empty_selection.selection
5614 })
5615 {
5616 active_rows.next().unwrap();
5617 end_row += 1;
5618 }
5619
5620 if show_active_line_background && !contains_non_empty_selection.selection {
5621 let highlight_h_range =
5622 match layout.position_map.snapshot.current_line_highlight {
5623 CurrentLineHighlight::Gutter => Some(Range {
5624 start: layout.hitbox.left(),
5625 end: layout.gutter_hitbox.right(),
5626 }),
5627 CurrentLineHighlight::Line => Some(Range {
5628 start: layout.position_map.text_hitbox.bounds.left(),
5629 end: layout.position_map.text_hitbox.bounds.right(),
5630 }),
5631 CurrentLineHighlight::All => Some(Range {
5632 start: layout.hitbox.left(),
5633 end: layout.hitbox.right(),
5634 }),
5635 CurrentLineHighlight::None => None,
5636 };
5637 if let Some(range) = highlight_h_range {
5638 let active_line_bg = cx.theme().colors().editor_active_line_background;
5639 let bounds = Bounds {
5640 origin: point(
5641 range.start,
5642 layout.hitbox.origin.y
5643 + Pixels::from(
5644 (start_row.as_f64() - scroll_top)
5645 * ScrollPixelOffset::from(
5646 layout.position_map.line_height,
5647 ),
5648 ),
5649 ),
5650 size: size(
5651 range.end - range.start,
5652 layout.position_map.line_height
5653 * (end_row - start_row.0 + 1) as f32,
5654 ),
5655 };
5656 window.paint_quad(fill(bounds, active_line_bg));
5657 }
5658 }
5659 }
5660
5661 let mut paint_highlight = |highlight_row_start: DisplayRow,
5662 highlight_row_end: DisplayRow,
5663 highlight: crate::LineHighlight,
5664 edges| {
5665 let mut origin_x = layout.hitbox.left();
5666 let mut width = layout.hitbox.size.width;
5667 if !highlight.include_gutter {
5668 origin_x += layout.gutter_hitbox.size.width;
5669 width -= layout.gutter_hitbox.size.width;
5670 }
5671
5672 let origin = point(
5673 origin_x,
5674 layout.hitbox.origin.y
5675 + Pixels::from(
5676 (highlight_row_start.as_f64() - scroll_top)
5677 * ScrollPixelOffset::from(layout.position_map.line_height),
5678 ),
5679 );
5680 let size = size(
5681 width,
5682 layout.position_map.line_height
5683 * highlight_row_end.next_row().minus(highlight_row_start) as f32,
5684 );
5685 let mut quad = fill(Bounds { origin, size }, highlight.background);
5686 if let Some(border_color) = highlight.border {
5687 quad.border_color = border_color;
5688 quad.border_widths = edges
5689 }
5690 window.paint_quad(quad);
5691 };
5692
5693 let mut current_paint: Option<(LineHighlight, Range<DisplayRow>, Edges<Pixels>)> =
5694 None;
5695 for (&new_row, &new_background) in &layout.highlighted_rows {
5696 match &mut current_paint {
5697 &mut Some((current_background, ref mut current_range, mut edges)) => {
5698 let new_range_started = current_background != new_background
5699 || current_range.end.next_row() != new_row;
5700 if new_range_started {
5701 if current_range.end.next_row() == new_row {
5702 edges.bottom = px(0.);
5703 };
5704 paint_highlight(
5705 current_range.start,
5706 current_range.end,
5707 current_background,
5708 edges,
5709 );
5710 let edges = Edges {
5711 top: if current_range.end.next_row() != new_row {
5712 px(1.)
5713 } else {
5714 px(0.)
5715 },
5716 bottom: px(1.),
5717 ..Default::default()
5718 };
5719 current_paint = Some((new_background, new_row..new_row, edges));
5720 continue;
5721 } else {
5722 current_range.end = current_range.end.next_row();
5723 }
5724 }
5725 None => {
5726 let edges = Edges {
5727 top: px(1.),
5728 bottom: px(1.),
5729 ..Default::default()
5730 };
5731 current_paint = Some((new_background, new_row..new_row, edges))
5732 }
5733 };
5734 }
5735 if let Some((color, range, edges)) = current_paint {
5736 paint_highlight(range.start, range.end, color, edges);
5737 }
5738
5739 for (guide_x, active) in layout.wrap_guides.iter() {
5740 let color = if *active {
5741 cx.theme().colors().editor_active_wrap_guide
5742 } else {
5743 cx.theme().colors().editor_wrap_guide
5744 };
5745 window.paint_quad(fill(
5746 Bounds {
5747 origin: point(*guide_x, layout.position_map.text_hitbox.origin.y),
5748 size: size(px(1.), layout.position_map.text_hitbox.size.height),
5749 },
5750 color,
5751 ));
5752 }
5753 }
5754 })
5755 }
5756
5757 fn paint_indent_guides(
5758 &mut self,
5759 layout: &mut EditorLayout,
5760 window: &mut Window,
5761 cx: &mut App,
5762 ) {
5763 let Some(indent_guides) = &layout.indent_guides else {
5764 return;
5765 };
5766
5767 let faded_color = |color: Hsla, alpha: f32| {
5768 let mut faded = color;
5769 faded.a = alpha;
5770 faded
5771 };
5772
5773 for indent_guide in indent_guides {
5774 let indent_accent_colors = cx.theme().accents().color_for_index(indent_guide.depth);
5775 let settings = &indent_guide.settings;
5776
5777 // TODO fixed for now, expose them through themes later
5778 const INDENT_AWARE_ALPHA: f32 = 0.2;
5779 const INDENT_AWARE_ACTIVE_ALPHA: f32 = 0.4;
5780 const INDENT_AWARE_BACKGROUND_ALPHA: f32 = 0.1;
5781 const INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA: f32 = 0.2;
5782
5783 let line_color = match (settings.coloring, indent_guide.active) {
5784 (IndentGuideColoring::Disabled, _) => None,
5785 (IndentGuideColoring::Fixed, false) => {
5786 Some(cx.theme().colors().editor_indent_guide)
5787 }
5788 (IndentGuideColoring::Fixed, true) => {
5789 Some(cx.theme().colors().editor_indent_guide_active)
5790 }
5791 (IndentGuideColoring::IndentAware, false) => {
5792 Some(faded_color(indent_accent_colors, INDENT_AWARE_ALPHA))
5793 }
5794 (IndentGuideColoring::IndentAware, true) => {
5795 Some(faded_color(indent_accent_colors, INDENT_AWARE_ACTIVE_ALPHA))
5796 }
5797 };
5798
5799 let background_color = match (settings.background_coloring, indent_guide.active) {
5800 (IndentGuideBackgroundColoring::Disabled, _) => None,
5801 (IndentGuideBackgroundColoring::IndentAware, false) => Some(faded_color(
5802 indent_accent_colors,
5803 INDENT_AWARE_BACKGROUND_ALPHA,
5804 )),
5805 (IndentGuideBackgroundColoring::IndentAware, true) => Some(faded_color(
5806 indent_accent_colors,
5807 INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA,
5808 )),
5809 };
5810
5811 let requested_line_width = if indent_guide.active {
5812 settings.active_line_width
5813 } else {
5814 settings.line_width
5815 }
5816 .clamp(1, 10);
5817 let mut line_indicator_width = 0.;
5818 if let Some(color) = line_color {
5819 window.paint_quad(fill(
5820 Bounds {
5821 origin: indent_guide.origin,
5822 size: size(px(requested_line_width as f32), indent_guide.length),
5823 },
5824 color,
5825 ));
5826 line_indicator_width = requested_line_width as f32;
5827 }
5828
5829 if let Some(color) = background_color {
5830 let width = indent_guide.single_indent_width - px(line_indicator_width);
5831 window.paint_quad(fill(
5832 Bounds {
5833 origin: point(
5834 indent_guide.origin.x + px(line_indicator_width),
5835 indent_guide.origin.y,
5836 ),
5837 size: size(width, indent_guide.length),
5838 },
5839 color,
5840 ));
5841 }
5842 }
5843 }
5844
5845 fn paint_line_numbers(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5846 let is_singleton = self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
5847
5848 let line_height = layout.position_map.line_height;
5849 window.set_cursor_style(CursorStyle::Arrow, &layout.gutter_hitbox);
5850
5851 for LineNumberLayout {
5852 shaped_line,
5853 hitbox,
5854 } in layout.line_numbers.values()
5855 {
5856 let Some(hitbox) = hitbox else {
5857 continue;
5858 };
5859
5860 let Some(()) = (if !is_singleton && hitbox.is_hovered(window) {
5861 let color = cx.theme().colors().editor_hover_line_number;
5862
5863 let line = self.shape_line_number(shaped_line.text.clone(), color, window);
5864 line.paint(hitbox.origin, line_height, window, cx).log_err()
5865 } else {
5866 shaped_line
5867 .paint(hitbox.origin, line_height, window, cx)
5868 .log_err()
5869 }) else {
5870 continue;
5871 };
5872
5873 // In singleton buffers, we select corresponding lines on the line number click, so use | -like cursor.
5874 // In multi buffers, we open file at the line number clicked, so use a pointing hand cursor.
5875 if is_singleton {
5876 window.set_cursor_style(CursorStyle::IBeam, hitbox);
5877 } else {
5878 window.set_cursor_style(CursorStyle::PointingHand, hitbox);
5879 }
5880 }
5881 }
5882
5883 fn paint_gutter_diff_hunks(layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5884 if layout.display_hunks.is_empty() {
5885 return;
5886 }
5887
5888 let line_height = layout.position_map.line_height;
5889 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5890 for (hunk, hitbox) in &layout.display_hunks {
5891 let hunk_to_paint = match hunk {
5892 DisplayDiffHunk::Folded { .. } => {
5893 let hunk_bounds = Self::diff_hunk_bounds(
5894 &layout.position_map.snapshot,
5895 line_height,
5896 layout.gutter_hitbox.bounds,
5897 hunk,
5898 );
5899 Some((
5900 hunk_bounds,
5901 cx.theme().colors().version_control_modified,
5902 Corners::all(px(0.)),
5903 DiffHunkStatus::modified_none(),
5904 ))
5905 }
5906 DisplayDiffHunk::Unfolded {
5907 status,
5908 display_row_range,
5909 ..
5910 } => hitbox.as_ref().map(|hunk_hitbox| match status.kind {
5911 DiffHunkStatusKind::Added => (
5912 hunk_hitbox.bounds,
5913 cx.theme().colors().version_control_added,
5914 Corners::all(px(0.)),
5915 *status,
5916 ),
5917 DiffHunkStatusKind::Modified => (
5918 hunk_hitbox.bounds,
5919 cx.theme().colors().version_control_modified,
5920 Corners::all(px(0.)),
5921 *status,
5922 ),
5923 DiffHunkStatusKind::Deleted if !display_row_range.is_empty() => (
5924 hunk_hitbox.bounds,
5925 cx.theme().colors().version_control_deleted,
5926 Corners::all(px(0.)),
5927 *status,
5928 ),
5929 DiffHunkStatusKind::Deleted => (
5930 Bounds::new(
5931 point(
5932 hunk_hitbox.origin.x - hunk_hitbox.size.width,
5933 hunk_hitbox.origin.y,
5934 ),
5935 size(hunk_hitbox.size.width * 2., hunk_hitbox.size.height),
5936 ),
5937 cx.theme().colors().version_control_deleted,
5938 Corners::all(1. * line_height),
5939 *status,
5940 ),
5941 }),
5942 };
5943
5944 if let Some((hunk_bounds, background_color, corner_radii, status)) = hunk_to_paint {
5945 // Flatten the background color with the editor color to prevent
5946 // elements below transparent hunks from showing through
5947 let flattened_background_color = cx
5948 .theme()
5949 .colors()
5950 .editor_background
5951 .blend(background_color);
5952
5953 if !Self::diff_hunk_hollow(status, cx) {
5954 window.paint_quad(quad(
5955 hunk_bounds,
5956 corner_radii,
5957 flattened_background_color,
5958 Edges::default(),
5959 transparent_black(),
5960 BorderStyle::default(),
5961 ));
5962 } else {
5963 let flattened_unstaged_background_color = cx
5964 .theme()
5965 .colors()
5966 .editor_background
5967 .blend(background_color.opacity(0.3));
5968
5969 window.paint_quad(quad(
5970 hunk_bounds,
5971 corner_radii,
5972 flattened_unstaged_background_color,
5973 Edges::all(px(1.0)),
5974 flattened_background_color,
5975 BorderStyle::Solid,
5976 ));
5977 }
5978 }
5979 }
5980 });
5981 }
5982
5983 fn gutter_strip_width(line_height: Pixels) -> Pixels {
5984 (0.275 * line_height).floor()
5985 }
5986
5987 fn diff_hunk_bounds(
5988 snapshot: &EditorSnapshot,
5989 line_height: Pixels,
5990 gutter_bounds: Bounds<Pixels>,
5991 hunk: &DisplayDiffHunk,
5992 ) -> Bounds<Pixels> {
5993 let scroll_position = snapshot.scroll_position();
5994 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
5995 let gutter_strip_width = Self::gutter_strip_width(line_height);
5996
5997 match hunk {
5998 DisplayDiffHunk::Folded { display_row, .. } => {
5999 let start_y = (display_row.as_f64() * ScrollPixelOffset::from(line_height)
6000 - scroll_top)
6001 .into();
6002 let end_y = start_y + line_height;
6003 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6004 let highlight_size = size(gutter_strip_width, end_y - start_y);
6005 Bounds::new(highlight_origin, highlight_size)
6006 }
6007 DisplayDiffHunk::Unfolded {
6008 display_row_range,
6009 status,
6010 ..
6011 } => {
6012 if status.is_deleted() && display_row_range.is_empty() {
6013 let row = display_row_range.start;
6014
6015 let offset = ScrollPixelOffset::from(line_height / 2.);
6016 let start_y =
6017 (row.as_f64() * ScrollPixelOffset::from(line_height) - offset - scroll_top)
6018 .into();
6019 let end_y = start_y + line_height;
6020
6021 let width = (0.35 * line_height).floor();
6022 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6023 let highlight_size = size(width, end_y - start_y);
6024 Bounds::new(highlight_origin, highlight_size)
6025 } else {
6026 let start_row = display_row_range.start;
6027 let end_row = display_row_range.end;
6028 // If we're in a multibuffer, row range span might include an
6029 // excerpt header, so if we were to draw the marker straight away,
6030 // the hunk might include the rows of that header.
6031 // Making the range inclusive doesn't quite cut it, as we rely on the exclusivity for the soft wrap.
6032 // Instead, we simply check whether the range we're dealing with includes
6033 // any excerpt headers and if so, we stop painting the diff hunk on the first row of that header.
6034 let end_row_in_current_excerpt = snapshot
6035 .blocks_in_range(start_row..end_row)
6036 .find_map(|(start_row, block)| {
6037 if matches!(
6038 block,
6039 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
6040 ) {
6041 Some(start_row)
6042 } else {
6043 None
6044 }
6045 })
6046 .unwrap_or(end_row);
6047
6048 let start_y = (start_row.as_f64() * ScrollPixelOffset::from(line_height)
6049 - scroll_top)
6050 .into();
6051 let end_y = Pixels::from(
6052 end_row_in_current_excerpt.as_f64() * ScrollPixelOffset::from(line_height)
6053 - scroll_top,
6054 );
6055
6056 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6057 let highlight_size = size(gutter_strip_width, end_y - start_y);
6058 Bounds::new(highlight_origin, highlight_size)
6059 }
6060 }
6061 }
6062 }
6063
6064 fn paint_gutter_indicators(
6065 &self,
6066 layout: &mut EditorLayout,
6067 window: &mut Window,
6068 cx: &mut App,
6069 ) {
6070 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6071 window.with_element_namespace("crease_toggles", |window| {
6072 for crease_toggle in layout.crease_toggles.iter_mut().flatten() {
6073 crease_toggle.paint(window, cx);
6074 }
6075 });
6076
6077 window.with_element_namespace("expand_toggles", |window| {
6078 for (expand_toggle, _) in layout.expand_toggles.iter_mut().flatten() {
6079 expand_toggle.paint(window, cx);
6080 }
6081 });
6082
6083 for breakpoint in layout.breakpoints.iter_mut() {
6084 breakpoint.paint(window, cx);
6085 }
6086
6087 for test_indicator in layout.test_indicators.iter_mut() {
6088 test_indicator.paint(window, cx);
6089 }
6090 });
6091 }
6092
6093 fn paint_gutter_highlights(
6094 &self,
6095 layout: &mut EditorLayout,
6096 window: &mut Window,
6097 cx: &mut App,
6098 ) {
6099 for (_, hunk_hitbox) in &layout.display_hunks {
6100 if let Some(hunk_hitbox) = hunk_hitbox
6101 && !self
6102 .editor
6103 .read(cx)
6104 .buffer()
6105 .read(cx)
6106 .all_diff_hunks_expanded()
6107 {
6108 window.set_cursor_style(CursorStyle::PointingHand, hunk_hitbox);
6109 }
6110 }
6111
6112 let show_git_gutter = layout
6113 .position_map
6114 .snapshot
6115 .show_git_diff_gutter
6116 .unwrap_or_else(|| {
6117 matches!(
6118 ProjectSettings::get_global(cx).git.git_gutter,
6119 GitGutterSetting::TrackedFiles
6120 )
6121 });
6122 if show_git_gutter {
6123 Self::paint_gutter_diff_hunks(layout, window, cx)
6124 }
6125
6126 let highlight_width = 0.275 * layout.position_map.line_height;
6127 let highlight_corner_radii = Corners::all(0.05 * layout.position_map.line_height);
6128 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6129 for (range, color) in &layout.highlighted_gutter_ranges {
6130 let start_row = if range.start.row() < layout.visible_display_row_range.start {
6131 layout.visible_display_row_range.start - DisplayRow(1)
6132 } else {
6133 range.start.row()
6134 };
6135 let end_row = if range.end.row() > layout.visible_display_row_range.end {
6136 layout.visible_display_row_range.end + DisplayRow(1)
6137 } else {
6138 range.end.row()
6139 };
6140
6141 let start_y = layout.gutter_hitbox.top()
6142 + Pixels::from(
6143 start_row.0 as f64
6144 * ScrollPixelOffset::from(layout.position_map.line_height)
6145 - layout.position_map.scroll_pixel_position.y,
6146 );
6147 let end_y = layout.gutter_hitbox.top()
6148 + Pixels::from(
6149 (end_row.0 + 1) as f64
6150 * ScrollPixelOffset::from(layout.position_map.line_height)
6151 - layout.position_map.scroll_pixel_position.y,
6152 );
6153 let bounds = Bounds::from_corners(
6154 point(layout.gutter_hitbox.left(), start_y),
6155 point(layout.gutter_hitbox.left() + highlight_width, end_y),
6156 );
6157 window.paint_quad(fill(bounds, *color).corner_radii(highlight_corner_radii));
6158 }
6159 });
6160 }
6161
6162 fn paint_blamed_display_rows(
6163 &self,
6164 layout: &mut EditorLayout,
6165 window: &mut Window,
6166 cx: &mut App,
6167 ) {
6168 let Some(blamed_display_rows) = layout.blamed_display_rows.take() else {
6169 return;
6170 };
6171
6172 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6173 for mut blame_element in blamed_display_rows.into_iter() {
6174 blame_element.paint(window, cx);
6175 }
6176 })
6177 }
6178
6179 fn paint_text(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6180 window.with_content_mask(
6181 Some(ContentMask {
6182 bounds: layout.position_map.text_hitbox.bounds,
6183 }),
6184 |window| {
6185 let editor = self.editor.read(cx);
6186 if editor.mouse_cursor_hidden {
6187 window.set_window_cursor_style(CursorStyle::None);
6188 } else if let SelectionDragState::ReadyToDrag {
6189 mouse_down_time, ..
6190 } = &editor.selection_drag_state
6191 {
6192 let drag_and_drop_delay = Duration::from_millis(
6193 EditorSettings::get_global(cx)
6194 .drag_and_drop_selection
6195 .delay
6196 .0,
6197 );
6198 if mouse_down_time.elapsed() >= drag_and_drop_delay {
6199 window.set_cursor_style(
6200 CursorStyle::DragCopy,
6201 &layout.position_map.text_hitbox,
6202 );
6203 }
6204 } else if matches!(
6205 editor.selection_drag_state,
6206 SelectionDragState::Dragging { .. }
6207 ) {
6208 window
6209 .set_cursor_style(CursorStyle::DragCopy, &layout.position_map.text_hitbox);
6210 } else if editor
6211 .hovered_link_state
6212 .as_ref()
6213 .is_some_and(|hovered_link_state| !hovered_link_state.links.is_empty())
6214 {
6215 window.set_cursor_style(
6216 CursorStyle::PointingHand,
6217 &layout.position_map.text_hitbox,
6218 );
6219 } else {
6220 window.set_cursor_style(CursorStyle::IBeam, &layout.position_map.text_hitbox);
6221 };
6222
6223 self.paint_lines_background(layout, window, cx);
6224 let invisible_display_ranges = self.paint_highlights(layout, window, cx);
6225 self.paint_document_colors(layout, window);
6226 self.paint_lines(&invisible_display_ranges, layout, window, cx);
6227 self.paint_redactions(layout, window);
6228 self.paint_cursors(layout, window, cx);
6229 self.paint_inline_diagnostics(layout, window, cx);
6230 self.paint_inline_blame(layout, window, cx);
6231 self.paint_inline_code_actions(layout, window, cx);
6232 self.paint_diff_hunk_controls(layout, window, cx);
6233 window.with_element_namespace("crease_trailers", |window| {
6234 for trailer in layout.crease_trailers.iter_mut().flatten() {
6235 trailer.element.paint(window, cx);
6236 }
6237 });
6238 },
6239 )
6240 }
6241
6242 fn paint_highlights(
6243 &mut self,
6244 layout: &mut EditorLayout,
6245 window: &mut Window,
6246 cx: &mut App,
6247 ) -> SmallVec<[Range<DisplayPoint>; 32]> {
6248 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6249 let mut invisible_display_ranges = SmallVec::<[Range<DisplayPoint>; 32]>::new();
6250 let line_end_overshoot = 0.15 * layout.position_map.line_height;
6251 for (range, color) in &layout.highlighted_ranges {
6252 self.paint_highlighted_range(
6253 range.clone(),
6254 true,
6255 *color,
6256 Pixels::ZERO,
6257 line_end_overshoot,
6258 layout,
6259 window,
6260 );
6261 }
6262
6263 let corner_radius = if EditorSettings::get_global(cx).rounded_selection {
6264 0.15 * layout.position_map.line_height
6265 } else {
6266 Pixels::ZERO
6267 };
6268
6269 for (player_color, selections) in &layout.selections {
6270 for selection in selections.iter() {
6271 self.paint_highlighted_range(
6272 selection.range.clone(),
6273 true,
6274 player_color.selection,
6275 corner_radius,
6276 corner_radius * 2.,
6277 layout,
6278 window,
6279 );
6280
6281 if selection.is_local && !selection.range.is_empty() {
6282 invisible_display_ranges.push(selection.range.clone());
6283 }
6284 }
6285 }
6286 invisible_display_ranges
6287 })
6288 }
6289
6290 fn paint_lines(
6291 &mut self,
6292 invisible_display_ranges: &[Range<DisplayPoint>],
6293 layout: &mut EditorLayout,
6294 window: &mut Window,
6295 cx: &mut App,
6296 ) {
6297 let whitespace_setting = self
6298 .editor
6299 .read(cx)
6300 .buffer
6301 .read(cx)
6302 .language_settings(cx)
6303 .show_whitespaces;
6304
6305 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6306 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6307 line_with_invisibles.draw(
6308 layout,
6309 row,
6310 layout.content_origin,
6311 whitespace_setting,
6312 invisible_display_ranges,
6313 window,
6314 cx,
6315 )
6316 }
6317
6318 for line_element in &mut layout.line_elements {
6319 line_element.paint(window, cx);
6320 }
6321 }
6322
6323 fn paint_lines_background(
6324 &mut self,
6325 layout: &mut EditorLayout,
6326 window: &mut Window,
6327 cx: &mut App,
6328 ) {
6329 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6330 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6331 line_with_invisibles.draw_background(layout, row, layout.content_origin, window, cx);
6332 }
6333 }
6334
6335 fn paint_redactions(&mut self, layout: &EditorLayout, window: &mut Window) {
6336 if layout.redacted_ranges.is_empty() {
6337 return;
6338 }
6339
6340 let line_end_overshoot = layout.line_end_overshoot();
6341
6342 // A softer than perfect black
6343 let redaction_color = gpui::rgb(0x0e1111);
6344
6345 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6346 for range in layout.redacted_ranges.iter() {
6347 self.paint_highlighted_range(
6348 range.clone(),
6349 true,
6350 redaction_color.into(),
6351 Pixels::ZERO,
6352 line_end_overshoot,
6353 layout,
6354 window,
6355 );
6356 }
6357 });
6358 }
6359
6360 fn paint_document_colors(&self, layout: &mut EditorLayout, window: &mut Window) {
6361 let Some((colors_render_mode, image_colors)) = &layout.document_colors else {
6362 return;
6363 };
6364 if image_colors.is_empty()
6365 || colors_render_mode == &DocumentColorsRenderMode::None
6366 || colors_render_mode == &DocumentColorsRenderMode::Inlay
6367 {
6368 return;
6369 }
6370
6371 let line_end_overshoot = layout.line_end_overshoot();
6372
6373 for (range, color) in image_colors {
6374 match colors_render_mode {
6375 DocumentColorsRenderMode::Inlay | DocumentColorsRenderMode::None => return,
6376 DocumentColorsRenderMode::Background => {
6377 self.paint_highlighted_range(
6378 range.clone(),
6379 true,
6380 *color,
6381 Pixels::ZERO,
6382 line_end_overshoot,
6383 layout,
6384 window,
6385 );
6386 }
6387 DocumentColorsRenderMode::Border => {
6388 self.paint_highlighted_range(
6389 range.clone(),
6390 false,
6391 *color,
6392 Pixels::ZERO,
6393 line_end_overshoot,
6394 layout,
6395 window,
6396 );
6397 }
6398 }
6399 }
6400 }
6401
6402 fn paint_cursors(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6403 for cursor in &mut layout.visible_cursors {
6404 cursor.paint(layout.content_origin, window, cx);
6405 }
6406 }
6407
6408 fn paint_scrollbars(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6409 let Some(scrollbars_layout) = layout.scrollbars_layout.take() else {
6410 return;
6411 };
6412 let any_scrollbar_dragged = self.editor.read(cx).scroll_manager.any_scrollbar_dragged();
6413
6414 for (scrollbar_layout, axis) in scrollbars_layout.iter_scrollbars() {
6415 let hitbox = &scrollbar_layout.hitbox;
6416 if scrollbars_layout.visible {
6417 let scrollbar_edges = match axis {
6418 ScrollbarAxis::Horizontal => Edges {
6419 top: Pixels::ZERO,
6420 right: Pixels::ZERO,
6421 bottom: Pixels::ZERO,
6422 left: Pixels::ZERO,
6423 },
6424 ScrollbarAxis::Vertical => Edges {
6425 top: Pixels::ZERO,
6426 right: Pixels::ZERO,
6427 bottom: Pixels::ZERO,
6428 left: ScrollbarLayout::BORDER_WIDTH,
6429 },
6430 };
6431
6432 window.paint_layer(hitbox.bounds, |window| {
6433 window.paint_quad(quad(
6434 hitbox.bounds,
6435 Corners::default(),
6436 cx.theme().colors().scrollbar_track_background,
6437 scrollbar_edges,
6438 cx.theme().colors().scrollbar_track_border,
6439 BorderStyle::Solid,
6440 ));
6441
6442 if axis == ScrollbarAxis::Vertical {
6443 let fast_markers =
6444 self.collect_fast_scrollbar_markers(layout, scrollbar_layout, cx);
6445 // Refresh slow scrollbar markers in the background. Below, we
6446 // paint whatever markers have already been computed.
6447 self.refresh_slow_scrollbar_markers(layout, scrollbar_layout, window, cx);
6448
6449 let markers = self.editor.read(cx).scrollbar_marker_state.markers.clone();
6450 for marker in markers.iter().chain(&fast_markers) {
6451 let mut marker = marker.clone();
6452 marker.bounds.origin += hitbox.origin;
6453 window.paint_quad(marker);
6454 }
6455 }
6456
6457 if let Some(thumb_bounds) = scrollbar_layout.thumb_bounds {
6458 let scrollbar_thumb_color = match scrollbar_layout.thumb_state {
6459 ScrollbarThumbState::Dragging => {
6460 cx.theme().colors().scrollbar_thumb_active_background
6461 }
6462 ScrollbarThumbState::Hovered => {
6463 cx.theme().colors().scrollbar_thumb_hover_background
6464 }
6465 ScrollbarThumbState::Idle => {
6466 cx.theme().colors().scrollbar_thumb_background
6467 }
6468 };
6469 window.paint_quad(quad(
6470 thumb_bounds,
6471 Corners::default(),
6472 scrollbar_thumb_color,
6473 scrollbar_edges,
6474 cx.theme().colors().scrollbar_thumb_border,
6475 BorderStyle::Solid,
6476 ));
6477
6478 if any_scrollbar_dragged {
6479 window.set_window_cursor_style(CursorStyle::Arrow);
6480 } else {
6481 window.set_cursor_style(CursorStyle::Arrow, hitbox);
6482 }
6483 }
6484 })
6485 }
6486 }
6487
6488 window.on_mouse_event({
6489 let editor = self.editor.clone();
6490 let scrollbars_layout = scrollbars_layout.clone();
6491
6492 let mut mouse_position = window.mouse_position();
6493 move |event: &MouseMoveEvent, phase, window, cx| {
6494 if phase == DispatchPhase::Capture {
6495 return;
6496 }
6497
6498 editor.update(cx, |editor, cx| {
6499 if let Some((scrollbar_layout, axis)) = event
6500 .pressed_button
6501 .filter(|button| *button == MouseButton::Left)
6502 .and(editor.scroll_manager.dragging_scrollbar_axis())
6503 .and_then(|axis| {
6504 scrollbars_layout
6505 .iter_scrollbars()
6506 .find(|(_, a)| *a == axis)
6507 })
6508 {
6509 let ScrollbarLayout {
6510 hitbox,
6511 text_unit_size,
6512 ..
6513 } = scrollbar_layout;
6514
6515 let old_position = mouse_position.along(axis);
6516 let new_position = event.position.along(axis);
6517 if (hitbox.origin.along(axis)..hitbox.bottom_right().along(axis))
6518 .contains(&old_position)
6519 {
6520 let position = editor.scroll_position(cx).apply_along(axis, |p| {
6521 (p + ScrollOffset::from(
6522 (new_position - old_position) / *text_unit_size,
6523 ))
6524 .max(0.)
6525 });
6526 editor.set_scroll_position(position, window, cx);
6527 }
6528
6529 editor.scroll_manager.show_scrollbars(window, cx);
6530 cx.stop_propagation();
6531 } else if let Some((layout, axis)) = scrollbars_layout
6532 .get_hovered_axis(window)
6533 .filter(|_| !event.dragging())
6534 {
6535 if layout.thumb_hovered(&event.position) {
6536 editor
6537 .scroll_manager
6538 .set_hovered_scroll_thumb_axis(axis, cx);
6539 } else {
6540 editor.scroll_manager.reset_scrollbar_state(cx);
6541 }
6542
6543 editor.scroll_manager.show_scrollbars(window, cx);
6544 } else {
6545 editor.scroll_manager.reset_scrollbar_state(cx);
6546 }
6547
6548 mouse_position = event.position;
6549 })
6550 }
6551 });
6552
6553 if any_scrollbar_dragged {
6554 window.on_mouse_event({
6555 let editor = self.editor.clone();
6556 move |_: &MouseUpEvent, phase, window, cx| {
6557 if phase == DispatchPhase::Capture {
6558 return;
6559 }
6560
6561 editor.update(cx, |editor, cx| {
6562 if let Some((_, axis)) = scrollbars_layout.get_hovered_axis(window) {
6563 editor
6564 .scroll_manager
6565 .set_hovered_scroll_thumb_axis(axis, cx);
6566 } else {
6567 editor.scroll_manager.reset_scrollbar_state(cx);
6568 }
6569 cx.stop_propagation();
6570 });
6571 }
6572 });
6573 } else {
6574 window.on_mouse_event({
6575 let editor = self.editor.clone();
6576
6577 move |event: &MouseDownEvent, phase, window, cx| {
6578 if phase == DispatchPhase::Capture {
6579 return;
6580 }
6581 let Some((scrollbar_layout, axis)) = scrollbars_layout.get_hovered_axis(window)
6582 else {
6583 return;
6584 };
6585
6586 let ScrollbarLayout {
6587 hitbox,
6588 visible_range,
6589 text_unit_size,
6590 thumb_bounds,
6591 ..
6592 } = scrollbar_layout;
6593
6594 let Some(thumb_bounds) = thumb_bounds else {
6595 return;
6596 };
6597
6598 editor.update(cx, |editor, cx| {
6599 editor
6600 .scroll_manager
6601 .set_dragged_scroll_thumb_axis(axis, cx);
6602
6603 let event_position = event.position.along(axis);
6604
6605 if event_position < thumb_bounds.origin.along(axis)
6606 || thumb_bounds.bottom_right().along(axis) < event_position
6607 {
6608 let center_position = ((event_position - hitbox.origin.along(axis))
6609 / *text_unit_size)
6610 .round() as u32;
6611 let start_position = center_position.saturating_sub(
6612 (visible_range.end - visible_range.start) as u32 / 2,
6613 );
6614
6615 let position = editor
6616 .scroll_position(cx)
6617 .apply_along(axis, |_| start_position as ScrollOffset);
6618
6619 editor.set_scroll_position(position, window, cx);
6620 } else {
6621 editor.scroll_manager.show_scrollbars(window, cx);
6622 }
6623
6624 cx.stop_propagation();
6625 });
6626 }
6627 });
6628 }
6629 }
6630
6631 fn collect_fast_scrollbar_markers(
6632 &self,
6633 layout: &EditorLayout,
6634 scrollbar_layout: &ScrollbarLayout,
6635 cx: &mut App,
6636 ) -> Vec<PaintQuad> {
6637 const LIMIT: usize = 100;
6638 if !EditorSettings::get_global(cx).scrollbar.cursors || layout.cursors.len() > LIMIT {
6639 return vec![];
6640 }
6641 let cursor_ranges = layout
6642 .cursors
6643 .iter()
6644 .map(|(point, color)| ColoredRange {
6645 start: point.row(),
6646 end: point.row(),
6647 color: *color,
6648 })
6649 .collect_vec();
6650 scrollbar_layout.marker_quads_for_ranges(cursor_ranges, None)
6651 }
6652
6653 fn refresh_slow_scrollbar_markers(
6654 &self,
6655 layout: &EditorLayout,
6656 scrollbar_layout: &ScrollbarLayout,
6657 window: &mut Window,
6658 cx: &mut App,
6659 ) {
6660 self.editor.update(cx, |editor, cx| {
6661 if editor.buffer_kind(cx) != ItemBufferKind::Singleton
6662 || !editor
6663 .scrollbar_marker_state
6664 .should_refresh(scrollbar_layout.hitbox.size)
6665 {
6666 return;
6667 }
6668
6669 let scrollbar_layout = scrollbar_layout.clone();
6670 let background_highlights = editor.background_highlights.clone();
6671 let snapshot = layout.position_map.snapshot.clone();
6672 let theme = cx.theme().clone();
6673 let scrollbar_settings = EditorSettings::get_global(cx).scrollbar;
6674
6675 editor.scrollbar_marker_state.dirty = false;
6676 editor.scrollbar_marker_state.pending_refresh =
6677 Some(cx.spawn_in(window, async move |editor, cx| {
6678 let scrollbar_size = scrollbar_layout.hitbox.size;
6679 let scrollbar_markers = cx
6680 .background_spawn(async move {
6681 let max_point = snapshot.display_snapshot.buffer_snapshot().max_point();
6682 let mut marker_quads = Vec::new();
6683 if scrollbar_settings.git_diff {
6684 let marker_row_ranges =
6685 snapshot.buffer_snapshot().diff_hunks().map(|hunk| {
6686 let start_display_row =
6687 MultiBufferPoint::new(hunk.row_range.start.0, 0)
6688 .to_display_point(&snapshot.display_snapshot)
6689 .row();
6690 let mut end_display_row =
6691 MultiBufferPoint::new(hunk.row_range.end.0, 0)
6692 .to_display_point(&snapshot.display_snapshot)
6693 .row();
6694 if end_display_row != start_display_row {
6695 end_display_row.0 -= 1;
6696 }
6697 let color = match &hunk.status().kind {
6698 DiffHunkStatusKind::Added => {
6699 theme.colors().version_control_added
6700 }
6701 DiffHunkStatusKind::Modified => {
6702 theme.colors().version_control_modified
6703 }
6704 DiffHunkStatusKind::Deleted => {
6705 theme.colors().version_control_deleted
6706 }
6707 };
6708 ColoredRange {
6709 start: start_display_row,
6710 end: end_display_row,
6711 color,
6712 }
6713 });
6714
6715 marker_quads.extend(
6716 scrollbar_layout
6717 .marker_quads_for_ranges(marker_row_ranges, Some(0)),
6718 );
6719 }
6720
6721 for (background_highlight_id, (_, background_ranges)) in
6722 background_highlights.iter()
6723 {
6724 let is_search_highlights = *background_highlight_id
6725 == HighlightKey::Type(TypeId::of::<BufferSearchHighlights>());
6726 let is_text_highlights = *background_highlight_id
6727 == HighlightKey::Type(TypeId::of::<SelectedTextHighlight>());
6728 let is_symbol_occurrences = *background_highlight_id
6729 == HighlightKey::Type(TypeId::of::<DocumentHighlightRead>())
6730 || *background_highlight_id
6731 == HighlightKey::Type(
6732 TypeId::of::<DocumentHighlightWrite>(),
6733 );
6734 if (is_search_highlights && scrollbar_settings.search_results)
6735 || (is_text_highlights && scrollbar_settings.selected_text)
6736 || (is_symbol_occurrences && scrollbar_settings.selected_symbol)
6737 {
6738 let mut color = theme.status().info;
6739 if is_symbol_occurrences {
6740 color.fade_out(0.5);
6741 }
6742 let marker_row_ranges = background_ranges.iter().map(|range| {
6743 let display_start = range
6744 .start
6745 .to_display_point(&snapshot.display_snapshot);
6746 let display_end =
6747 range.end.to_display_point(&snapshot.display_snapshot);
6748 ColoredRange {
6749 start: display_start.row(),
6750 end: display_end.row(),
6751 color,
6752 }
6753 });
6754 marker_quads.extend(
6755 scrollbar_layout
6756 .marker_quads_for_ranges(marker_row_ranges, Some(1)),
6757 );
6758 }
6759 }
6760
6761 if scrollbar_settings.diagnostics != ScrollbarDiagnostics::None {
6762 let diagnostics = snapshot
6763 .buffer_snapshot()
6764 .diagnostics_in_range::<Point>(Point::zero()..max_point)
6765 // Don't show diagnostics the user doesn't care about
6766 .filter(|diagnostic| {
6767 match (
6768 scrollbar_settings.diagnostics,
6769 diagnostic.diagnostic.severity,
6770 ) {
6771 (ScrollbarDiagnostics::All, _) => true,
6772 (
6773 ScrollbarDiagnostics::Error,
6774 lsp::DiagnosticSeverity::ERROR,
6775 ) => true,
6776 (
6777 ScrollbarDiagnostics::Warning,
6778 lsp::DiagnosticSeverity::ERROR
6779 | lsp::DiagnosticSeverity::WARNING,
6780 ) => true,
6781 (
6782 ScrollbarDiagnostics::Information,
6783 lsp::DiagnosticSeverity::ERROR
6784 | lsp::DiagnosticSeverity::WARNING
6785 | lsp::DiagnosticSeverity::INFORMATION,
6786 ) => true,
6787 (_, _) => false,
6788 }
6789 })
6790 // We want to sort by severity, in order to paint the most severe diagnostics last.
6791 .sorted_by_key(|diagnostic| {
6792 std::cmp::Reverse(diagnostic.diagnostic.severity)
6793 });
6794
6795 let marker_row_ranges = diagnostics.into_iter().map(|diagnostic| {
6796 let start_display = diagnostic
6797 .range
6798 .start
6799 .to_display_point(&snapshot.display_snapshot);
6800 let end_display = diagnostic
6801 .range
6802 .end
6803 .to_display_point(&snapshot.display_snapshot);
6804 let color = match diagnostic.diagnostic.severity {
6805 lsp::DiagnosticSeverity::ERROR => theme.status().error,
6806 lsp::DiagnosticSeverity::WARNING => theme.status().warning,
6807 lsp::DiagnosticSeverity::INFORMATION => theme.status().info,
6808 _ => theme.status().hint,
6809 };
6810 ColoredRange {
6811 start: start_display.row(),
6812 end: end_display.row(),
6813 color,
6814 }
6815 });
6816 marker_quads.extend(
6817 scrollbar_layout
6818 .marker_quads_for_ranges(marker_row_ranges, Some(2)),
6819 );
6820 }
6821
6822 Arc::from(marker_quads)
6823 })
6824 .await;
6825
6826 editor.update(cx, |editor, cx| {
6827 editor.scrollbar_marker_state.markers = scrollbar_markers;
6828 editor.scrollbar_marker_state.scrollbar_size = scrollbar_size;
6829 editor.scrollbar_marker_state.pending_refresh = None;
6830 cx.notify();
6831 })?;
6832
6833 Ok(())
6834 }));
6835 });
6836 }
6837
6838 fn paint_highlighted_range(
6839 &self,
6840 range: Range<DisplayPoint>,
6841 fill: bool,
6842 color: Hsla,
6843 corner_radius: Pixels,
6844 line_end_overshoot: Pixels,
6845 layout: &EditorLayout,
6846 window: &mut Window,
6847 ) {
6848 let start_row = layout.visible_display_row_range.start;
6849 let end_row = layout.visible_display_row_range.end;
6850 if range.start != range.end {
6851 let row_range = if range.end.column() == 0 {
6852 cmp::max(range.start.row(), start_row)..cmp::min(range.end.row(), end_row)
6853 } else {
6854 cmp::max(range.start.row(), start_row)
6855 ..cmp::min(range.end.row().next_row(), end_row)
6856 };
6857
6858 let highlighted_range = HighlightedRange {
6859 color,
6860 line_height: layout.position_map.line_height,
6861 corner_radius,
6862 start_y: layout.content_origin.y
6863 + Pixels::from(
6864 (row_range.start.as_f64() - layout.position_map.scroll_position.y)
6865 * ScrollOffset::from(layout.position_map.line_height),
6866 ),
6867 lines: row_range
6868 .iter_rows()
6869 .map(|row| {
6870 let line_layout =
6871 &layout.position_map.line_layouts[row.minus(start_row) as usize];
6872 HighlightedRangeLine {
6873 start_x: if row == range.start.row() {
6874 layout.content_origin.x
6875 + Pixels::from(
6876 ScrollPixelOffset::from(
6877 line_layout.x_for_index(range.start.column() as usize),
6878 ) - layout.position_map.scroll_pixel_position.x,
6879 )
6880 } else {
6881 layout.content_origin.x
6882 - Pixels::from(layout.position_map.scroll_pixel_position.x)
6883 },
6884 end_x: if row == range.end.row() {
6885 layout.content_origin.x
6886 + Pixels::from(
6887 ScrollPixelOffset::from(
6888 line_layout.x_for_index(range.end.column() as usize),
6889 ) - layout.position_map.scroll_pixel_position.x,
6890 )
6891 } else {
6892 Pixels::from(
6893 ScrollPixelOffset::from(
6894 layout.content_origin.x
6895 + line_layout.width
6896 + line_end_overshoot,
6897 ) - layout.position_map.scroll_pixel_position.x,
6898 )
6899 },
6900 }
6901 })
6902 .collect(),
6903 };
6904
6905 highlighted_range.paint(fill, layout.position_map.text_hitbox.bounds, window);
6906 }
6907 }
6908
6909 fn paint_inline_diagnostics(
6910 &mut self,
6911 layout: &mut EditorLayout,
6912 window: &mut Window,
6913 cx: &mut App,
6914 ) {
6915 for mut inline_diagnostic in layout.inline_diagnostics.drain() {
6916 inline_diagnostic.1.paint(window, cx);
6917 }
6918 }
6919
6920 fn paint_inline_blame(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6921 if let Some(mut blame_layout) = layout.inline_blame_layout.take() {
6922 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6923 blame_layout.element.paint(window, cx);
6924 })
6925 }
6926 }
6927
6928 fn paint_inline_code_actions(
6929 &mut self,
6930 layout: &mut EditorLayout,
6931 window: &mut Window,
6932 cx: &mut App,
6933 ) {
6934 if let Some(mut inline_code_actions) = layout.inline_code_actions.take() {
6935 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6936 inline_code_actions.paint(window, cx);
6937 })
6938 }
6939 }
6940
6941 fn paint_diff_hunk_controls(
6942 &mut self,
6943 layout: &mut EditorLayout,
6944 window: &mut Window,
6945 cx: &mut App,
6946 ) {
6947 for mut diff_hunk_control in layout.diff_hunk_controls.drain(..) {
6948 diff_hunk_control.paint(window, cx);
6949 }
6950 }
6951
6952 fn paint_minimap(&self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6953 if let Some(mut layout) = layout.minimap.take() {
6954 let minimap_hitbox = layout.thumb_layout.hitbox.clone();
6955 let dragging_minimap = self.editor.read(cx).scroll_manager.is_dragging_minimap();
6956
6957 window.paint_layer(layout.thumb_layout.hitbox.bounds, |window| {
6958 window.with_element_namespace("minimap", |window| {
6959 layout.minimap.paint(window, cx);
6960 if let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds {
6961 let minimap_thumb_color = match layout.thumb_layout.thumb_state {
6962 ScrollbarThumbState::Idle => {
6963 cx.theme().colors().minimap_thumb_background
6964 }
6965 ScrollbarThumbState::Hovered => {
6966 cx.theme().colors().minimap_thumb_hover_background
6967 }
6968 ScrollbarThumbState::Dragging => {
6969 cx.theme().colors().minimap_thumb_active_background
6970 }
6971 };
6972 let minimap_thumb_border = match layout.thumb_border_style {
6973 MinimapThumbBorder::Full => Edges::all(ScrollbarLayout::BORDER_WIDTH),
6974 MinimapThumbBorder::LeftOnly => Edges {
6975 left: ScrollbarLayout::BORDER_WIDTH,
6976 ..Default::default()
6977 },
6978 MinimapThumbBorder::LeftOpen => Edges {
6979 right: ScrollbarLayout::BORDER_WIDTH,
6980 top: ScrollbarLayout::BORDER_WIDTH,
6981 bottom: ScrollbarLayout::BORDER_WIDTH,
6982 ..Default::default()
6983 },
6984 MinimapThumbBorder::RightOpen => Edges {
6985 left: ScrollbarLayout::BORDER_WIDTH,
6986 top: ScrollbarLayout::BORDER_WIDTH,
6987 bottom: ScrollbarLayout::BORDER_WIDTH,
6988 ..Default::default()
6989 },
6990 MinimapThumbBorder::None => Default::default(),
6991 };
6992
6993 window.paint_layer(minimap_hitbox.bounds, |window| {
6994 window.paint_quad(quad(
6995 thumb_bounds,
6996 Corners::default(),
6997 minimap_thumb_color,
6998 minimap_thumb_border,
6999 cx.theme().colors().minimap_thumb_border,
7000 BorderStyle::Solid,
7001 ));
7002 });
7003 }
7004 });
7005 });
7006
7007 if dragging_minimap {
7008 window.set_window_cursor_style(CursorStyle::Arrow);
7009 } else {
7010 window.set_cursor_style(CursorStyle::Arrow, &minimap_hitbox);
7011 }
7012
7013 let minimap_axis = ScrollbarAxis::Vertical;
7014 let pixels_per_line = Pixels::from(
7015 ScrollPixelOffset::from(minimap_hitbox.size.height) / layout.max_scroll_top,
7016 )
7017 .min(layout.minimap_line_height);
7018
7019 let mut mouse_position = window.mouse_position();
7020
7021 window.on_mouse_event({
7022 let editor = self.editor.clone();
7023
7024 let minimap_hitbox = minimap_hitbox.clone();
7025
7026 move |event: &MouseMoveEvent, phase, window, cx| {
7027 if phase == DispatchPhase::Capture {
7028 return;
7029 }
7030
7031 editor.update(cx, |editor, cx| {
7032 if event.pressed_button == Some(MouseButton::Left)
7033 && editor.scroll_manager.is_dragging_minimap()
7034 {
7035 let old_position = mouse_position.along(minimap_axis);
7036 let new_position = event.position.along(minimap_axis);
7037 if (minimap_hitbox.origin.along(minimap_axis)
7038 ..minimap_hitbox.bottom_right().along(minimap_axis))
7039 .contains(&old_position)
7040 {
7041 let position =
7042 editor.scroll_position(cx).apply_along(minimap_axis, |p| {
7043 (p + ScrollPixelOffset::from(
7044 (new_position - old_position) / pixels_per_line,
7045 ))
7046 .max(0.)
7047 });
7048
7049 editor.set_scroll_position(position, window, cx);
7050 }
7051 cx.stop_propagation();
7052 } else if minimap_hitbox.is_hovered(window) {
7053 editor.scroll_manager.set_is_hovering_minimap_thumb(
7054 !event.dragging()
7055 && layout
7056 .thumb_layout
7057 .thumb_bounds
7058 .is_some_and(|bounds| bounds.contains(&event.position)),
7059 cx,
7060 );
7061
7062 // Stop hover events from propagating to the
7063 // underlying editor if the minimap hitbox is hovered
7064 if !event.dragging() {
7065 cx.stop_propagation();
7066 }
7067 } else {
7068 editor.scroll_manager.hide_minimap_thumb(cx);
7069 }
7070 mouse_position = event.position;
7071 });
7072 }
7073 });
7074
7075 if dragging_minimap {
7076 window.on_mouse_event({
7077 let editor = self.editor.clone();
7078 move |event: &MouseUpEvent, phase, window, cx| {
7079 if phase == DispatchPhase::Capture {
7080 return;
7081 }
7082
7083 editor.update(cx, |editor, cx| {
7084 if minimap_hitbox.is_hovered(window) {
7085 editor.scroll_manager.set_is_hovering_minimap_thumb(
7086 layout
7087 .thumb_layout
7088 .thumb_bounds
7089 .is_some_and(|bounds| bounds.contains(&event.position)),
7090 cx,
7091 );
7092 } else {
7093 editor.scroll_manager.hide_minimap_thumb(cx);
7094 }
7095 cx.stop_propagation();
7096 });
7097 }
7098 });
7099 } else {
7100 window.on_mouse_event({
7101 let editor = self.editor.clone();
7102
7103 move |event: &MouseDownEvent, phase, window, cx| {
7104 if phase == DispatchPhase::Capture || !minimap_hitbox.is_hovered(window) {
7105 return;
7106 }
7107
7108 let event_position = event.position;
7109
7110 let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds else {
7111 return;
7112 };
7113
7114 editor.update(cx, |editor, cx| {
7115 if !thumb_bounds.contains(&event_position) {
7116 let click_position =
7117 event_position.relative_to(&minimap_hitbox.origin).y;
7118
7119 let top_position = (click_position
7120 - thumb_bounds.size.along(minimap_axis) / 2.0)
7121 .max(Pixels::ZERO);
7122
7123 let scroll_offset = (layout.minimap_scroll_top
7124 + ScrollPixelOffset::from(
7125 top_position / layout.minimap_line_height,
7126 ))
7127 .min(layout.max_scroll_top);
7128
7129 let scroll_position = editor
7130 .scroll_position(cx)
7131 .apply_along(minimap_axis, |_| scroll_offset);
7132 editor.set_scroll_position(scroll_position, window, cx);
7133 }
7134
7135 editor.scroll_manager.set_is_dragging_minimap(cx);
7136 cx.stop_propagation();
7137 });
7138 }
7139 });
7140 }
7141 }
7142 }
7143
7144 fn paint_blocks(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
7145 for mut block in layout.blocks.drain(..) {
7146 if block.overlaps_gutter {
7147 block.element.paint(window, cx);
7148 } else {
7149 let mut bounds = layout.hitbox.bounds;
7150 bounds.origin.x += layout.gutter_hitbox.bounds.size.width;
7151 window.with_content_mask(Some(ContentMask { bounds }), |window| {
7152 block.element.paint(window, cx);
7153 })
7154 }
7155 }
7156 }
7157
7158 fn paint_edit_prediction_popover(
7159 &mut self,
7160 layout: &mut EditorLayout,
7161 window: &mut Window,
7162 cx: &mut App,
7163 ) {
7164 if let Some(edit_prediction_popover) = layout.edit_prediction_popover.as_mut() {
7165 edit_prediction_popover.paint(window, cx);
7166 }
7167 }
7168
7169 fn paint_mouse_context_menu(
7170 &mut self,
7171 layout: &mut EditorLayout,
7172 window: &mut Window,
7173 cx: &mut App,
7174 ) {
7175 if let Some(mouse_context_menu) = layout.mouse_context_menu.as_mut() {
7176 mouse_context_menu.paint(window, cx);
7177 }
7178 }
7179
7180 fn paint_scroll_wheel_listener(
7181 &mut self,
7182 layout: &EditorLayout,
7183 window: &mut Window,
7184 cx: &mut App,
7185 ) {
7186 window.on_mouse_event({
7187 let position_map = layout.position_map.clone();
7188 let editor = self.editor.clone();
7189 let hitbox = layout.hitbox.clone();
7190 let mut delta = ScrollDelta::default();
7191
7192 // Set a minimum scroll_sensitivity of 0.01 to make sure the user doesn't
7193 // accidentally turn off their scrolling.
7194 let base_scroll_sensitivity =
7195 EditorSettings::get_global(cx).scroll_sensitivity.max(0.01);
7196
7197 // Use a minimum fast_scroll_sensitivity for same reason above
7198 let fast_scroll_sensitivity = EditorSettings::get_global(cx)
7199 .fast_scroll_sensitivity
7200 .max(0.01);
7201
7202 move |event: &ScrollWheelEvent, phase, window, cx| {
7203 let scroll_sensitivity = {
7204 if event.modifiers.alt {
7205 fast_scroll_sensitivity
7206 } else {
7207 base_scroll_sensitivity
7208 }
7209 };
7210
7211 if phase == DispatchPhase::Bubble && hitbox.should_handle_scroll(window) {
7212 delta = delta.coalesce(event.delta);
7213 editor.update(cx, |editor, cx| {
7214 let position_map: &PositionMap = &position_map;
7215
7216 let line_height = position_map.line_height;
7217 let max_glyph_advance = position_map.em_advance;
7218 let (delta, axis) = match delta {
7219 gpui::ScrollDelta::Pixels(mut pixels) => {
7220 //Trackpad
7221 let axis = position_map.snapshot.ongoing_scroll.filter(&mut pixels);
7222 (pixels, axis)
7223 }
7224
7225 gpui::ScrollDelta::Lines(lines) => {
7226 //Not trackpad
7227 let pixels =
7228 point(lines.x * max_glyph_advance, lines.y * line_height);
7229 (pixels, None)
7230 }
7231 };
7232
7233 let current_scroll_position = position_map.snapshot.scroll_position();
7234 let x = (current_scroll_position.x
7235 * ScrollPixelOffset::from(max_glyph_advance)
7236 - ScrollPixelOffset::from(delta.x * scroll_sensitivity))
7237 / ScrollPixelOffset::from(max_glyph_advance);
7238 let y = (current_scroll_position.y * ScrollPixelOffset::from(line_height)
7239 - ScrollPixelOffset::from(delta.y * scroll_sensitivity))
7240 / ScrollPixelOffset::from(line_height);
7241 let mut scroll_position =
7242 point(x, y).clamp(&point(0., 0.), &position_map.scroll_max);
7243 let forbid_vertical_scroll = editor.scroll_manager.forbid_vertical_scroll();
7244 if forbid_vertical_scroll {
7245 scroll_position.y = current_scroll_position.y;
7246 }
7247
7248 if scroll_position != current_scroll_position {
7249 editor.scroll(scroll_position, axis, window, cx);
7250 cx.stop_propagation();
7251 } else if y < 0. {
7252 // Due to clamping, we may fail to detect cases of overscroll to the top;
7253 // We want the scroll manager to get an update in such cases and detect the change of direction
7254 // on the next frame.
7255 cx.notify();
7256 }
7257 });
7258 }
7259 }
7260 });
7261 }
7262
7263 fn paint_mouse_listeners(&mut self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
7264 if layout.mode.is_minimap() {
7265 return;
7266 }
7267
7268 self.paint_scroll_wheel_listener(layout, window, cx);
7269
7270 window.on_mouse_event({
7271 let position_map = layout.position_map.clone();
7272 let editor = self.editor.clone();
7273 let line_numbers = layout.line_numbers.clone();
7274
7275 move |event: &MouseDownEvent, phase, window, cx| {
7276 if phase == DispatchPhase::Bubble {
7277 match event.button {
7278 MouseButton::Left => editor.update(cx, |editor, cx| {
7279 let pending_mouse_down = editor
7280 .pending_mouse_down
7281 .get_or_insert_with(Default::default)
7282 .clone();
7283
7284 *pending_mouse_down.borrow_mut() = Some(event.clone());
7285
7286 Self::mouse_left_down(
7287 editor,
7288 event,
7289 &position_map,
7290 line_numbers.as_ref(),
7291 window,
7292 cx,
7293 );
7294 }),
7295 MouseButton::Right => editor.update(cx, |editor, cx| {
7296 Self::mouse_right_down(editor, event, &position_map, window, cx);
7297 }),
7298 MouseButton::Middle => editor.update(cx, |editor, cx| {
7299 Self::mouse_middle_down(editor, event, &position_map, window, cx);
7300 }),
7301 _ => {}
7302 };
7303 }
7304 }
7305 });
7306
7307 window.on_mouse_event({
7308 let editor = self.editor.clone();
7309 let position_map = layout.position_map.clone();
7310
7311 move |event: &MouseUpEvent, phase, window, cx| {
7312 if phase == DispatchPhase::Bubble {
7313 editor.update(cx, |editor, cx| {
7314 Self::mouse_up(editor, event, &position_map, window, cx)
7315 });
7316 }
7317 }
7318 });
7319
7320 window.on_mouse_event({
7321 let editor = self.editor.clone();
7322 let position_map = layout.position_map.clone();
7323 let mut captured_mouse_down = None;
7324
7325 move |event: &MouseUpEvent, phase, window, cx| match phase {
7326 // Clear the pending mouse down during the capture phase,
7327 // so that it happens even if another event handler stops
7328 // propagation.
7329 DispatchPhase::Capture => editor.update(cx, |editor, _cx| {
7330 let pending_mouse_down = editor
7331 .pending_mouse_down
7332 .get_or_insert_with(Default::default)
7333 .clone();
7334
7335 let mut pending_mouse_down = pending_mouse_down.borrow_mut();
7336 if pending_mouse_down.is_some() && position_map.text_hitbox.is_hovered(window) {
7337 captured_mouse_down = pending_mouse_down.take();
7338 window.refresh();
7339 }
7340 }),
7341 // Fire click handlers during the bubble phase.
7342 DispatchPhase::Bubble => editor.update(cx, |editor, cx| {
7343 if let Some(mouse_down) = captured_mouse_down.take() {
7344 let event = ClickEvent::Mouse(MouseClickEvent {
7345 down: mouse_down,
7346 up: event.clone(),
7347 });
7348 Self::click(editor, &event, &position_map, window, cx);
7349 }
7350 }),
7351 }
7352 });
7353
7354 window.on_mouse_event({
7355 let position_map = layout.position_map.clone();
7356 let editor = self.editor.clone();
7357
7358 move |event: &MouseMoveEvent, phase, window, cx| {
7359 if phase == DispatchPhase::Bubble {
7360 editor.update(cx, |editor, cx| {
7361 if editor.hover_state.focused(window, cx) {
7362 return;
7363 }
7364 if event.pressed_button == Some(MouseButton::Left)
7365 || event.pressed_button == Some(MouseButton::Middle)
7366 {
7367 Self::mouse_dragged(editor, event, &position_map, window, cx)
7368 }
7369
7370 Self::mouse_moved(editor, event, &position_map, window, cx)
7371 });
7372 }
7373 }
7374 });
7375 }
7376
7377 fn column_pixels(&self, column: usize, window: &Window) -> Pixels {
7378 let style = &self.style;
7379 let font_size = style.text.font_size.to_pixels(window.rem_size());
7380 let layout = window.text_system().shape_line(
7381 SharedString::from(" ".repeat(column)),
7382 font_size,
7383 &[TextRun {
7384 len: column,
7385 font: style.text.font(),
7386 color: Hsla::default(),
7387 background_color: None,
7388 underline: None,
7389 strikethrough: None,
7390 }],
7391 None,
7392 );
7393
7394 layout.width
7395 }
7396
7397 fn max_line_number_width(&self, snapshot: &EditorSnapshot, window: &mut Window) -> Pixels {
7398 let digit_count = snapshot.widest_line_number().ilog10() + 1;
7399 self.column_pixels(digit_count as usize, window)
7400 }
7401
7402 fn shape_line_number(
7403 &self,
7404 text: SharedString,
7405 color: Hsla,
7406 window: &mut Window,
7407 ) -> ShapedLine {
7408 let run = TextRun {
7409 len: text.len(),
7410 font: self.style.text.font(),
7411 color,
7412 background_color: None,
7413 underline: None,
7414 strikethrough: None,
7415 };
7416 window.text_system().shape_line(
7417 text,
7418 self.style.text.font_size.to_pixels(window.rem_size()),
7419 &[run],
7420 None,
7421 )
7422 }
7423
7424 fn diff_hunk_hollow(status: DiffHunkStatus, cx: &mut App) -> bool {
7425 let unstaged = status.has_secondary_hunk();
7426 let unstaged_hollow = matches!(
7427 ProjectSettings::get_global(cx).git.hunk_style,
7428 GitHunkStyleSetting::UnstagedHollow
7429 );
7430
7431 unstaged == unstaged_hollow
7432 }
7433
7434 #[cfg(debug_assertions)]
7435 fn layout_debug_ranges(
7436 selections: &mut Vec<(PlayerColor, Vec<SelectionLayout>)>,
7437 anchor_range: Range<Anchor>,
7438 display_snapshot: &DisplaySnapshot,
7439 cx: &App,
7440 ) {
7441 let theme = cx.theme();
7442 text::debug::GlobalDebugRanges::with_locked(|debug_ranges| {
7443 if debug_ranges.ranges.is_empty() {
7444 return;
7445 }
7446 let buffer_snapshot = &display_snapshot.buffer_snapshot();
7447 for (buffer, buffer_range, excerpt_id) in
7448 buffer_snapshot.range_to_buffer_ranges(anchor_range)
7449 {
7450 let buffer_range =
7451 buffer.anchor_after(buffer_range.start)..buffer.anchor_before(buffer_range.end);
7452 selections.extend(debug_ranges.ranges.iter().flat_map(|debug_range| {
7453 let player_color = theme
7454 .players()
7455 .color_for_participant(debug_range.occurrence_index as u32 + 1);
7456 debug_range.ranges.iter().filter_map(move |range| {
7457 if range.start.buffer_id != Some(buffer.remote_id()) {
7458 return None;
7459 }
7460 let clipped_start = range.start.max(&buffer_range.start, buffer);
7461 let clipped_end = range.end.min(&buffer_range.end, buffer);
7462 let range = buffer_snapshot
7463 .anchor_range_in_excerpt(excerpt_id, *clipped_start..*clipped_end)?;
7464 let start = range.start.to_display_point(display_snapshot);
7465 let end = range.end.to_display_point(display_snapshot);
7466 let selection_layout = SelectionLayout {
7467 head: start,
7468 range: start..end,
7469 cursor_shape: CursorShape::Bar,
7470 is_newest: false,
7471 is_local: false,
7472 active_rows: start.row()..end.row(),
7473 user_name: Some(SharedString::new(debug_range.value.clone())),
7474 };
7475 Some((player_color, vec![selection_layout]))
7476 })
7477 }));
7478 }
7479 });
7480 }
7481}
7482
7483fn header_jump_data(
7484 snapshot: &EditorSnapshot,
7485 block_row_start: DisplayRow,
7486 height: u32,
7487 for_excerpt: &ExcerptInfo,
7488) -> JumpData {
7489 let range = &for_excerpt.range;
7490 let buffer = &for_excerpt.buffer;
7491 let jump_anchor = range.primary.start;
7492
7493 let excerpt_start = range.context.start;
7494 let jump_position = language::ToPoint::to_point(&jump_anchor, buffer);
7495 let rows_from_excerpt_start = if jump_anchor == excerpt_start {
7496 0
7497 } else {
7498 let excerpt_start_point = language::ToPoint::to_point(&excerpt_start, buffer);
7499 jump_position.row.saturating_sub(excerpt_start_point.row)
7500 };
7501
7502 let line_offset_from_top = (block_row_start.0 + height + rows_from_excerpt_start)
7503 .saturating_sub(
7504 snapshot
7505 .scroll_anchor
7506 .scroll_position(&snapshot.display_snapshot)
7507 .y as u32,
7508 );
7509
7510 JumpData::MultiBufferPoint {
7511 excerpt_id: for_excerpt.id,
7512 anchor: jump_anchor,
7513 position: jump_position,
7514 line_offset_from_top,
7515 }
7516}
7517
7518pub struct AcceptEditPredictionBinding(pub(crate) Option<gpui::KeyBinding>);
7519
7520impl AcceptEditPredictionBinding {
7521 pub fn keystroke(&self) -> Option<&KeybindingKeystroke> {
7522 if let Some(binding) = self.0.as_ref() {
7523 match &binding.keystrokes() {
7524 [keystroke, ..] => Some(keystroke),
7525 _ => None,
7526 }
7527 } else {
7528 None
7529 }
7530 }
7531}
7532
7533fn prepaint_gutter_button(
7534 button: IconButton,
7535 row: DisplayRow,
7536 line_height: Pixels,
7537 gutter_dimensions: &GutterDimensions,
7538 scroll_position: gpui::Point<ScrollOffset>,
7539 gutter_hitbox: &Hitbox,
7540 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
7541 window: &mut Window,
7542 cx: &mut App,
7543) -> AnyElement {
7544 let mut button = button.into_any_element();
7545
7546 let available_space = size(
7547 AvailableSpace::MinContent,
7548 AvailableSpace::Definite(line_height),
7549 );
7550 let indicator_size = button.layout_as_root(available_space, window, cx);
7551
7552 let blame_width = gutter_dimensions.git_blame_entries_width;
7553 let gutter_width = display_hunks
7554 .binary_search_by(|(hunk, _)| match hunk {
7555 DisplayDiffHunk::Folded { display_row } => display_row.cmp(&row),
7556 DisplayDiffHunk::Unfolded {
7557 display_row_range, ..
7558 } => {
7559 if display_row_range.end <= row {
7560 Ordering::Less
7561 } else if display_row_range.start > row {
7562 Ordering::Greater
7563 } else {
7564 Ordering::Equal
7565 }
7566 }
7567 })
7568 .ok()
7569 .and_then(|ix| Some(display_hunks[ix].1.as_ref()?.size.width));
7570 let left_offset = blame_width.max(gutter_width).unwrap_or_default();
7571
7572 let mut x = left_offset;
7573 let available_width = gutter_dimensions.margin + gutter_dimensions.left_padding
7574 - indicator_size.width
7575 - left_offset;
7576 x += available_width / 2.;
7577
7578 let mut y =
7579 Pixels::from((row.as_f64() - scroll_position.y) * ScrollPixelOffset::from(line_height));
7580 y += (line_height - indicator_size.height) / 2.;
7581
7582 button.prepaint_as_root(
7583 gutter_hitbox.origin + point(x, y),
7584 available_space,
7585 window,
7586 cx,
7587 );
7588 button
7589}
7590
7591fn render_inline_blame_entry(
7592 blame_entry: BlameEntry,
7593 style: &EditorStyle,
7594 cx: &mut App,
7595) -> Option<AnyElement> {
7596 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7597 renderer.render_inline_blame_entry(&style.text, blame_entry, cx)
7598}
7599
7600fn render_blame_entry_popover(
7601 blame_entry: BlameEntry,
7602 scroll_handle: ScrollHandle,
7603 commit_message: Option<ParsedCommitMessage>,
7604 markdown: Entity<Markdown>,
7605 workspace: WeakEntity<Workspace>,
7606 blame: &Entity<GitBlame>,
7607 buffer: BufferId,
7608 window: &mut Window,
7609 cx: &mut App,
7610) -> Option<AnyElement> {
7611 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7612 let blame = blame.read(cx);
7613 let repository = blame.repository(cx, buffer)?;
7614 renderer.render_blame_entry_popover(
7615 blame_entry,
7616 scroll_handle,
7617 commit_message,
7618 markdown,
7619 repository,
7620 workspace,
7621 window,
7622 cx,
7623 )
7624}
7625
7626fn render_blame_entry(
7627 ix: usize,
7628 blame: &Entity<GitBlame>,
7629 blame_entry: BlameEntry,
7630 style: &EditorStyle,
7631 last_used_color: &mut Option<(Hsla, Oid)>,
7632 editor: Entity<Editor>,
7633 workspace: Entity<Workspace>,
7634 buffer: BufferId,
7635 renderer: &dyn BlameRenderer,
7636 window: &mut Window,
7637 cx: &mut App,
7638) -> Option<AnyElement> {
7639 let index: u32 = blame_entry.sha.into();
7640 let mut sha_color = cx.theme().players().color_for_participant(index).cursor;
7641
7642 // If the last color we used is the same as the one we get for this line, but
7643 // the commit SHAs are different, then we try again to get a different color.
7644 if let Some((color, sha)) = *last_used_color
7645 && sha != blame_entry.sha
7646 && color == sha_color
7647 {
7648 sha_color = cx.theme().players().color_for_participant(index + 1).cursor;
7649 }
7650 last_used_color.replace((sha_color, blame_entry.sha));
7651
7652 let blame = blame.read(cx);
7653 let details = blame.details_for_entry(buffer, &blame_entry);
7654 let repository = blame.repository(cx, buffer)?;
7655 renderer.render_blame_entry(
7656 &style.text,
7657 blame_entry,
7658 details,
7659 repository,
7660 workspace.downgrade(),
7661 editor,
7662 ix,
7663 sha_color,
7664 window,
7665 cx,
7666 )
7667}
7668
7669#[derive(Debug)]
7670pub(crate) struct LineWithInvisibles {
7671 fragments: SmallVec<[LineFragment; 1]>,
7672 invisibles: Vec<Invisible>,
7673 len: usize,
7674 pub(crate) width: Pixels,
7675 font_size: Pixels,
7676}
7677
7678enum LineFragment {
7679 Text(ShapedLine),
7680 Element {
7681 id: ChunkRendererId,
7682 element: Option<AnyElement>,
7683 size: Size<Pixels>,
7684 len: usize,
7685 },
7686}
7687
7688impl fmt::Debug for LineFragment {
7689 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
7690 match self {
7691 LineFragment::Text(shaped_line) => f.debug_tuple("Text").field(shaped_line).finish(),
7692 LineFragment::Element { size, len, .. } => f
7693 .debug_struct("Element")
7694 .field("size", size)
7695 .field("len", len)
7696 .finish(),
7697 }
7698 }
7699}
7700
7701impl LineWithInvisibles {
7702 fn from_chunks<'a>(
7703 chunks: impl Iterator<Item = HighlightedChunk<'a>>,
7704 editor_style: &EditorStyle,
7705 max_line_len: usize,
7706 max_line_count: usize,
7707 editor_mode: &EditorMode,
7708 text_width: Pixels,
7709 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
7710 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
7711 window: &mut Window,
7712 cx: &mut App,
7713 ) -> Vec<Self> {
7714 let text_style = &editor_style.text;
7715 let mut layouts = Vec::with_capacity(max_line_count);
7716 let mut fragments: SmallVec<[LineFragment; 1]> = SmallVec::new();
7717 let mut line = String::new();
7718 let mut invisibles = Vec::new();
7719 let mut width = Pixels::ZERO;
7720 let mut len = 0;
7721 let mut styles = Vec::new();
7722 let mut non_whitespace_added = false;
7723 let mut row = 0;
7724 let mut line_exceeded_max_len = false;
7725 let font_size = text_style.font_size.to_pixels(window.rem_size());
7726 let min_contrast = EditorSettings::get_global(cx).minimum_contrast_for_highlights;
7727
7728 let ellipsis = SharedString::from("β―");
7729
7730 for highlighted_chunk in chunks.chain([HighlightedChunk {
7731 text: "\n",
7732 style: None,
7733 is_tab: false,
7734 is_inlay: false,
7735 replacement: None,
7736 }]) {
7737 if let Some(replacement) = highlighted_chunk.replacement {
7738 if !line.is_empty() {
7739 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7740 let text_runs: &[TextRun] = if segments.is_empty() {
7741 &styles
7742 } else {
7743 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
7744 };
7745 let shaped_line = window.text_system().shape_line(
7746 line.clone().into(),
7747 font_size,
7748 text_runs,
7749 None,
7750 );
7751 width += shaped_line.width;
7752 len += shaped_line.len;
7753 fragments.push(LineFragment::Text(shaped_line));
7754 line.clear();
7755 styles.clear();
7756 }
7757
7758 match replacement {
7759 ChunkReplacement::Renderer(renderer) => {
7760 let available_width = if renderer.constrain_width {
7761 let chunk = if highlighted_chunk.text == ellipsis.as_ref() {
7762 ellipsis.clone()
7763 } else {
7764 SharedString::from(Arc::from(highlighted_chunk.text))
7765 };
7766 let shaped_line = window.text_system().shape_line(
7767 chunk,
7768 font_size,
7769 &[text_style.to_run(highlighted_chunk.text.len())],
7770 None,
7771 );
7772 AvailableSpace::Definite(shaped_line.width)
7773 } else {
7774 AvailableSpace::MinContent
7775 };
7776
7777 let mut element = (renderer.render)(&mut ChunkRendererContext {
7778 context: cx,
7779 window,
7780 max_width: text_width,
7781 });
7782 let line_height = text_style.line_height_in_pixels(window.rem_size());
7783 let size = element.layout_as_root(
7784 size(available_width, AvailableSpace::Definite(line_height)),
7785 window,
7786 cx,
7787 );
7788
7789 width += size.width;
7790 len += highlighted_chunk.text.len();
7791 fragments.push(LineFragment::Element {
7792 id: renderer.id,
7793 element: Some(element),
7794 size,
7795 len: highlighted_chunk.text.len(),
7796 });
7797 }
7798 ChunkReplacement::Str(x) => {
7799 let text_style = if let Some(style) = highlighted_chunk.style {
7800 Cow::Owned(text_style.clone().highlight(style))
7801 } else {
7802 Cow::Borrowed(text_style)
7803 };
7804
7805 let run = TextRun {
7806 len: x.len(),
7807 font: text_style.font(),
7808 color: text_style.color,
7809 background_color: text_style.background_color,
7810 underline: text_style.underline,
7811 strikethrough: text_style.strikethrough,
7812 };
7813 let line_layout = window
7814 .text_system()
7815 .shape_line(x, font_size, &[run], None)
7816 .with_len(highlighted_chunk.text.len());
7817
7818 width += line_layout.width;
7819 len += highlighted_chunk.text.len();
7820 fragments.push(LineFragment::Text(line_layout))
7821 }
7822 }
7823 } else {
7824 for (ix, mut line_chunk) in highlighted_chunk.text.split('\n').enumerate() {
7825 if ix > 0 {
7826 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7827 let text_runs = if segments.is_empty() {
7828 &styles
7829 } else {
7830 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
7831 };
7832 let shaped_line = window.text_system().shape_line(
7833 line.clone().into(),
7834 font_size,
7835 text_runs,
7836 None,
7837 );
7838 width += shaped_line.width;
7839 len += shaped_line.len;
7840 fragments.push(LineFragment::Text(shaped_line));
7841 layouts.push(Self {
7842 width: mem::take(&mut width),
7843 len: mem::take(&mut len),
7844 fragments: mem::take(&mut fragments),
7845 invisibles: std::mem::take(&mut invisibles),
7846 font_size,
7847 });
7848
7849 line.clear();
7850 styles.clear();
7851 row += 1;
7852 line_exceeded_max_len = false;
7853 non_whitespace_added = false;
7854 if row == max_line_count {
7855 return layouts;
7856 }
7857 }
7858
7859 if !line_chunk.is_empty() && !line_exceeded_max_len {
7860 let text_style = if let Some(style) = highlighted_chunk.style {
7861 Cow::Owned(text_style.clone().highlight(style))
7862 } else {
7863 Cow::Borrowed(text_style)
7864 };
7865
7866 if line.len() + line_chunk.len() > max_line_len {
7867 let mut chunk_len = max_line_len - line.len();
7868 while !line_chunk.is_char_boundary(chunk_len) {
7869 chunk_len -= 1;
7870 }
7871 line_chunk = &line_chunk[..chunk_len];
7872 line_exceeded_max_len = true;
7873 }
7874
7875 styles.push(TextRun {
7876 len: line_chunk.len(),
7877 font: text_style.font(),
7878 color: text_style.color,
7879 background_color: text_style.background_color,
7880 underline: text_style.underline,
7881 strikethrough: text_style.strikethrough,
7882 });
7883
7884 if editor_mode.is_full() && !highlighted_chunk.is_inlay {
7885 // Line wrap pads its contents with fake whitespaces,
7886 // avoid printing them
7887 let is_soft_wrapped = is_row_soft_wrapped(row);
7888 if highlighted_chunk.is_tab {
7889 if non_whitespace_added || !is_soft_wrapped {
7890 invisibles.push(Invisible::Tab {
7891 line_start_offset: line.len(),
7892 line_end_offset: line.len() + line_chunk.len(),
7893 });
7894 }
7895 } else {
7896 invisibles.extend(line_chunk.char_indices().filter_map(
7897 |(index, c)| {
7898 let is_whitespace = c.is_whitespace();
7899 non_whitespace_added |= !is_whitespace;
7900 if is_whitespace
7901 && (non_whitespace_added || !is_soft_wrapped)
7902 {
7903 Some(Invisible::Whitespace {
7904 line_offset: line.len() + index,
7905 })
7906 } else {
7907 None
7908 }
7909 },
7910 ))
7911 }
7912 }
7913
7914 line.push_str(line_chunk);
7915 }
7916 }
7917 }
7918 }
7919
7920 layouts
7921 }
7922
7923 /// Takes text runs and non-overlapping left-to-right background ranges with color.
7924 /// Returns new text runs with adjusted contrast as per background ranges.
7925 fn split_runs_by_bg_segments(
7926 text_runs: &[TextRun],
7927 bg_segments: &[(Range<DisplayPoint>, Hsla)],
7928 min_contrast: f32,
7929 start_col_offset: usize,
7930 ) -> Vec<TextRun> {
7931 let mut output_runs: Vec<TextRun> = Vec::with_capacity(text_runs.len());
7932 let mut line_col = start_col_offset;
7933 let mut segment_ix = 0usize;
7934
7935 for text_run in text_runs.iter() {
7936 let run_start_col = line_col;
7937 let run_end_col = run_start_col + text_run.len;
7938 while segment_ix < bg_segments.len()
7939 && (bg_segments[segment_ix].0.end.column() as usize) <= run_start_col
7940 {
7941 segment_ix += 1;
7942 }
7943 let mut cursor_col = run_start_col;
7944 let mut local_segment_ix = segment_ix;
7945 while local_segment_ix < bg_segments.len() {
7946 let (range, segment_color) = &bg_segments[local_segment_ix];
7947 let segment_start_col = range.start.column() as usize;
7948 let segment_end_col = range.end.column() as usize;
7949 if segment_start_col >= run_end_col {
7950 break;
7951 }
7952 if segment_start_col > cursor_col {
7953 let span_len = segment_start_col - cursor_col;
7954 output_runs.push(TextRun {
7955 len: span_len,
7956 font: text_run.font.clone(),
7957 color: text_run.color,
7958 background_color: text_run.background_color,
7959 underline: text_run.underline,
7960 strikethrough: text_run.strikethrough,
7961 });
7962 cursor_col = segment_start_col;
7963 }
7964 let segment_slice_end_col = segment_end_col.min(run_end_col);
7965 if segment_slice_end_col > cursor_col {
7966 let new_text_color =
7967 ensure_minimum_contrast(text_run.color, *segment_color, min_contrast);
7968 output_runs.push(TextRun {
7969 len: segment_slice_end_col - cursor_col,
7970 font: text_run.font.clone(),
7971 color: new_text_color,
7972 background_color: text_run.background_color,
7973 underline: text_run.underline,
7974 strikethrough: text_run.strikethrough,
7975 });
7976 cursor_col = segment_slice_end_col;
7977 }
7978 if segment_end_col >= run_end_col {
7979 break;
7980 }
7981 local_segment_ix += 1;
7982 }
7983 if cursor_col < run_end_col {
7984 output_runs.push(TextRun {
7985 len: run_end_col - cursor_col,
7986 font: text_run.font.clone(),
7987 color: text_run.color,
7988 background_color: text_run.background_color,
7989 underline: text_run.underline,
7990 strikethrough: text_run.strikethrough,
7991 });
7992 }
7993 line_col = run_end_col;
7994 segment_ix = local_segment_ix;
7995 }
7996 output_runs
7997 }
7998
7999 fn prepaint(
8000 &mut self,
8001 line_height: Pixels,
8002 scroll_position: gpui::Point<ScrollOffset>,
8003 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
8004 row: DisplayRow,
8005 content_origin: gpui::Point<Pixels>,
8006 line_elements: &mut SmallVec<[AnyElement; 1]>,
8007 window: &mut Window,
8008 cx: &mut App,
8009 ) {
8010 let line_y = f32::from(line_height) * Pixels::from(row.as_f64() - scroll_position.y);
8011 let mut fragment_origin =
8012 content_origin + gpui::point(Pixels::from(-scroll_pixel_position.x), line_y);
8013 for fragment in &mut self.fragments {
8014 match fragment {
8015 LineFragment::Text(line) => {
8016 fragment_origin.x += line.width;
8017 }
8018 LineFragment::Element { element, size, .. } => {
8019 let mut element = element
8020 .take()
8021 .expect("you can't prepaint LineWithInvisibles twice");
8022
8023 // Center the element vertically within the line.
8024 let mut element_origin = fragment_origin;
8025 element_origin.y += (line_height - size.height) / 2.;
8026 element.prepaint_at(element_origin, window, cx);
8027 line_elements.push(element);
8028
8029 fragment_origin.x += size.width;
8030 }
8031 }
8032 }
8033 }
8034
8035 fn draw(
8036 &self,
8037 layout: &EditorLayout,
8038 row: DisplayRow,
8039 content_origin: gpui::Point<Pixels>,
8040 whitespace_setting: ShowWhitespaceSetting,
8041 selection_ranges: &[Range<DisplayPoint>],
8042 window: &mut Window,
8043 cx: &mut App,
8044 ) {
8045 let line_height = layout.position_map.line_height;
8046 let line_y = line_height * (row.as_f64() - layout.position_map.scroll_position.y) as f32;
8047
8048 let mut fragment_origin = content_origin
8049 + gpui::point(
8050 Pixels::from(-layout.position_map.scroll_pixel_position.x),
8051 line_y,
8052 );
8053
8054 for fragment in &self.fragments {
8055 match fragment {
8056 LineFragment::Text(line) => {
8057 line.paint(fragment_origin, line_height, window, cx)
8058 .log_err();
8059 fragment_origin.x += line.width;
8060 }
8061 LineFragment::Element { size, .. } => {
8062 fragment_origin.x += size.width;
8063 }
8064 }
8065 }
8066
8067 self.draw_invisibles(
8068 selection_ranges,
8069 layout,
8070 content_origin,
8071 line_y,
8072 row,
8073 line_height,
8074 whitespace_setting,
8075 window,
8076 cx,
8077 );
8078 }
8079
8080 fn draw_background(
8081 &self,
8082 layout: &EditorLayout,
8083 row: DisplayRow,
8084 content_origin: gpui::Point<Pixels>,
8085 window: &mut Window,
8086 cx: &mut App,
8087 ) {
8088 let line_height = layout.position_map.line_height;
8089 let line_y = line_height * (row.as_f64() - layout.position_map.scroll_position.y) as f32;
8090
8091 let mut fragment_origin = content_origin
8092 + gpui::point(
8093 Pixels::from(-layout.position_map.scroll_pixel_position.x),
8094 line_y,
8095 );
8096
8097 for fragment in &self.fragments {
8098 match fragment {
8099 LineFragment::Text(line) => {
8100 line.paint_background(fragment_origin, line_height, window, cx)
8101 .log_err();
8102 fragment_origin.x += line.width;
8103 }
8104 LineFragment::Element { size, .. } => {
8105 fragment_origin.x += size.width;
8106 }
8107 }
8108 }
8109 }
8110
8111 fn draw_invisibles(
8112 &self,
8113 selection_ranges: &[Range<DisplayPoint>],
8114 layout: &EditorLayout,
8115 content_origin: gpui::Point<Pixels>,
8116 line_y: Pixels,
8117 row: DisplayRow,
8118 line_height: Pixels,
8119 whitespace_setting: ShowWhitespaceSetting,
8120 window: &mut Window,
8121 cx: &mut App,
8122 ) {
8123 let extract_whitespace_info = |invisible: &Invisible| {
8124 let (token_offset, token_end_offset, invisible_symbol) = match invisible {
8125 Invisible::Tab {
8126 line_start_offset,
8127 line_end_offset,
8128 } => (*line_start_offset, *line_end_offset, &layout.tab_invisible),
8129 Invisible::Whitespace { line_offset } => {
8130 (*line_offset, line_offset + 1, &layout.space_invisible)
8131 }
8132 };
8133
8134 let x_offset: ScrollPixelOffset = self.x_for_index(token_offset).into();
8135 let invisible_offset: ScrollPixelOffset =
8136 ((layout.position_map.em_width - invisible_symbol.width).max(Pixels::ZERO) / 2.0)
8137 .into();
8138 let origin = content_origin
8139 + gpui::point(
8140 Pixels::from(
8141 x_offset + invisible_offset - layout.position_map.scroll_pixel_position.x,
8142 ),
8143 line_y,
8144 );
8145
8146 (
8147 [token_offset, token_end_offset],
8148 Box::new(move |window: &mut Window, cx: &mut App| {
8149 invisible_symbol
8150 .paint(origin, line_height, window, cx)
8151 .log_err();
8152 }),
8153 )
8154 };
8155
8156 let invisible_iter = self.invisibles.iter().map(extract_whitespace_info);
8157 match whitespace_setting {
8158 ShowWhitespaceSetting::None => (),
8159 ShowWhitespaceSetting::All => invisible_iter.for_each(|(_, paint)| paint(window, cx)),
8160 ShowWhitespaceSetting::Selection => invisible_iter.for_each(|([start, _], paint)| {
8161 let invisible_point = DisplayPoint::new(row, start as u32);
8162 if !selection_ranges
8163 .iter()
8164 .any(|region| region.start <= invisible_point && invisible_point < region.end)
8165 {
8166 return;
8167 }
8168
8169 paint(window, cx);
8170 }),
8171
8172 ShowWhitespaceSetting::Trailing => {
8173 let mut previous_start = self.len;
8174 for ([start, end], paint) in invisible_iter.rev() {
8175 if previous_start != end {
8176 break;
8177 }
8178 previous_start = start;
8179 paint(window, cx);
8180 }
8181 }
8182
8183 // For a whitespace to be on a boundary, any of the following conditions need to be met:
8184 // - It is a tab
8185 // - It is adjacent to an edge (start or end)
8186 // - It is adjacent to a whitespace (left or right)
8187 ShowWhitespaceSetting::Boundary => {
8188 // 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
8189 // the above cases.
8190 // Note: We zip in the original `invisibles` to check for tab equality
8191 let mut last_seen: Option<(bool, usize, Box<dyn Fn(&mut Window, &mut App)>)> = None;
8192 for (([start, end], paint), invisible) in
8193 invisible_iter.zip_eq(self.invisibles.iter())
8194 {
8195 let should_render = match (&last_seen, invisible) {
8196 (_, Invisible::Tab { .. }) => true,
8197 (Some((_, last_end, _)), _) => *last_end == start,
8198 _ => false,
8199 };
8200
8201 if should_render || start == 0 || end == self.len {
8202 paint(window, cx);
8203
8204 // Since we are scanning from the left, we will skip over the first available whitespace that is part
8205 // of a boundary between non-whitespace segments, so we correct by manually redrawing it if needed.
8206 if let Some((should_render_last, last_end, paint_last)) = last_seen {
8207 // Note that we need to make sure that the last one is actually adjacent
8208 if !should_render_last && last_end == start {
8209 paint_last(window, cx);
8210 }
8211 }
8212 }
8213
8214 // Manually render anything within a selection
8215 let invisible_point = DisplayPoint::new(row, start as u32);
8216 if selection_ranges.iter().any(|region| {
8217 region.start <= invisible_point && invisible_point < region.end
8218 }) {
8219 paint(window, cx);
8220 }
8221
8222 last_seen = Some((should_render, end, paint));
8223 }
8224 }
8225 }
8226 }
8227
8228 pub fn x_for_index(&self, index: usize) -> Pixels {
8229 let mut fragment_start_x = Pixels::ZERO;
8230 let mut fragment_start_index = 0;
8231
8232 for fragment in &self.fragments {
8233 match fragment {
8234 LineFragment::Text(shaped_line) => {
8235 let fragment_end_index = fragment_start_index + shaped_line.len;
8236 if index < fragment_end_index {
8237 return fragment_start_x
8238 + shaped_line.x_for_index(index - fragment_start_index);
8239 }
8240 fragment_start_x += shaped_line.width;
8241 fragment_start_index = fragment_end_index;
8242 }
8243 LineFragment::Element { len, size, .. } => {
8244 let fragment_end_index = fragment_start_index + len;
8245 if index < fragment_end_index {
8246 return fragment_start_x;
8247 }
8248 fragment_start_x += size.width;
8249 fragment_start_index = fragment_end_index;
8250 }
8251 }
8252 }
8253
8254 fragment_start_x
8255 }
8256
8257 pub fn index_for_x(&self, x: Pixels) -> Option<usize> {
8258 let mut fragment_start_x = Pixels::ZERO;
8259 let mut fragment_start_index = 0;
8260
8261 for fragment in &self.fragments {
8262 match fragment {
8263 LineFragment::Text(shaped_line) => {
8264 let fragment_end_x = fragment_start_x + shaped_line.width;
8265 if x < fragment_end_x {
8266 return Some(
8267 fragment_start_index + shaped_line.index_for_x(x - fragment_start_x)?,
8268 );
8269 }
8270 fragment_start_x = fragment_end_x;
8271 fragment_start_index += shaped_line.len;
8272 }
8273 LineFragment::Element { len, size, .. } => {
8274 let fragment_end_x = fragment_start_x + size.width;
8275 if x < fragment_end_x {
8276 return Some(fragment_start_index);
8277 }
8278 fragment_start_index += len;
8279 fragment_start_x = fragment_end_x;
8280 }
8281 }
8282 }
8283
8284 None
8285 }
8286
8287 pub fn font_id_for_index(&self, index: usize) -> Option<FontId> {
8288 let mut fragment_start_index = 0;
8289
8290 for fragment in &self.fragments {
8291 match fragment {
8292 LineFragment::Text(shaped_line) => {
8293 let fragment_end_index = fragment_start_index + shaped_line.len;
8294 if index < fragment_end_index {
8295 return shaped_line.font_id_for_index(index - fragment_start_index);
8296 }
8297 fragment_start_index = fragment_end_index;
8298 }
8299 LineFragment::Element { len, .. } => {
8300 let fragment_end_index = fragment_start_index + len;
8301 if index < fragment_end_index {
8302 return None;
8303 }
8304 fragment_start_index = fragment_end_index;
8305 }
8306 }
8307 }
8308
8309 None
8310 }
8311}
8312
8313#[derive(Debug, Clone, Copy, PartialEq, Eq)]
8314enum Invisible {
8315 /// A tab character
8316 ///
8317 /// A tab character is internally represented by spaces (configured by the user's tab width)
8318 /// aligned to the nearest column, so it's necessary to store the start and end offset for
8319 /// adjacency checks.
8320 Tab {
8321 line_start_offset: usize,
8322 line_end_offset: usize,
8323 },
8324 Whitespace {
8325 line_offset: usize,
8326 },
8327}
8328
8329impl EditorElement {
8330 /// Returns the rem size to use when rendering the [`EditorElement`].
8331 ///
8332 /// This allows UI elements to scale based on the `buffer_font_size`.
8333 fn rem_size(&self, cx: &mut App) -> Option<Pixels> {
8334 match self.editor.read(cx).mode {
8335 EditorMode::Full {
8336 scale_ui_elements_with_buffer_font_size: true,
8337 ..
8338 }
8339 | EditorMode::Minimap { .. } => {
8340 let buffer_font_size = self.style.text.font_size;
8341 match buffer_font_size {
8342 AbsoluteLength::Pixels(pixels) => {
8343 let rem_size_scale = {
8344 // Our default UI font size is 14px on a 16px base scale.
8345 // This means the default UI font size is 0.875rems.
8346 let default_font_size_scale = 14. / ui::BASE_REM_SIZE_IN_PX;
8347
8348 // We then determine the delta between a single rem and the default font
8349 // size scale.
8350 let default_font_size_delta = 1. - default_font_size_scale;
8351
8352 // Finally, we add this delta to 1rem to get the scale factor that
8353 // should be used to scale up the UI.
8354 1. + default_font_size_delta
8355 };
8356
8357 Some(pixels * rem_size_scale)
8358 }
8359 AbsoluteLength::Rems(rems) => {
8360 Some(rems.to_pixels(ui::BASE_REM_SIZE_IN_PX.into()))
8361 }
8362 }
8363 }
8364 // We currently use single-line and auto-height editors in UI contexts,
8365 // so we don't want to scale everything with the buffer font size, as it
8366 // ends up looking off.
8367 _ => None,
8368 }
8369 }
8370
8371 fn editor_with_selections(&self, cx: &App) -> Option<Entity<Editor>> {
8372 if let EditorMode::Minimap { parent } = self.editor.read(cx).mode() {
8373 parent.upgrade()
8374 } else {
8375 Some(self.editor.clone())
8376 }
8377 }
8378}
8379
8380impl Element for EditorElement {
8381 type RequestLayoutState = ();
8382 type PrepaintState = EditorLayout;
8383
8384 fn id(&self) -> Option<ElementId> {
8385 None
8386 }
8387
8388 fn source_location(&self) -> Option<&'static core::panic::Location<'static>> {
8389 None
8390 }
8391
8392 fn request_layout(
8393 &mut self,
8394 _: Option<&GlobalElementId>,
8395 _inspector_id: Option<&gpui::InspectorElementId>,
8396 window: &mut Window,
8397 cx: &mut App,
8398 ) -> (gpui::LayoutId, ()) {
8399 let rem_size = self.rem_size(cx);
8400 window.with_rem_size(rem_size, |window| {
8401 self.editor.update(cx, |editor, cx| {
8402 editor.set_style(self.style.clone(), window, cx);
8403
8404 let layout_id = match editor.mode {
8405 EditorMode::SingleLine => {
8406 let rem_size = window.rem_size();
8407 let height = self.style.text.line_height_in_pixels(rem_size);
8408 let mut style = Style::default();
8409 style.size.height = height.into();
8410 style.size.width = relative(1.).into();
8411 window.request_layout(style, None, cx)
8412 }
8413 EditorMode::AutoHeight {
8414 min_lines,
8415 max_lines,
8416 } => {
8417 let editor_handle = cx.entity();
8418 let max_line_number_width =
8419 self.max_line_number_width(&editor.snapshot(window, cx), window);
8420 window.request_measured_layout(
8421 Style::default(),
8422 move |known_dimensions, available_space, window, cx| {
8423 editor_handle
8424 .update(cx, |editor, cx| {
8425 compute_auto_height_layout(
8426 editor,
8427 min_lines,
8428 max_lines,
8429 max_line_number_width,
8430 known_dimensions,
8431 available_space.width,
8432 window,
8433 cx,
8434 )
8435 })
8436 .unwrap_or_default()
8437 },
8438 )
8439 }
8440 EditorMode::Minimap { .. } => {
8441 let mut style = Style::default();
8442 style.size.width = relative(1.).into();
8443 style.size.height = relative(1.).into();
8444 window.request_layout(style, None, cx)
8445 }
8446 EditorMode::Full {
8447 sized_by_content, ..
8448 } => {
8449 let mut style = Style::default();
8450 style.size.width = relative(1.).into();
8451 if sized_by_content {
8452 let snapshot = editor.snapshot(window, cx);
8453 let line_height =
8454 self.style.text.line_height_in_pixels(window.rem_size());
8455 let scroll_height =
8456 (snapshot.max_point().row().next_row().0 as f32) * line_height;
8457 style.size.height = scroll_height.into();
8458 } else {
8459 style.size.height = relative(1.).into();
8460 }
8461 window.request_layout(style, None, cx)
8462 }
8463 };
8464
8465 (layout_id, ())
8466 })
8467 })
8468 }
8469
8470 fn prepaint(
8471 &mut self,
8472 _: Option<&GlobalElementId>,
8473 _inspector_id: Option<&gpui::InspectorElementId>,
8474 bounds: Bounds<Pixels>,
8475 _: &mut Self::RequestLayoutState,
8476 window: &mut Window,
8477 cx: &mut App,
8478 ) -> Self::PrepaintState {
8479 let text_style = TextStyleRefinement {
8480 font_size: Some(self.style.text.font_size),
8481 line_height: Some(self.style.text.line_height),
8482 ..Default::default()
8483 };
8484
8485 let is_minimap = self.editor.read(cx).mode.is_minimap();
8486
8487 if !is_minimap {
8488 let focus_handle = self.editor.focus_handle(cx);
8489 window.set_view_id(self.editor.entity_id());
8490 window.set_focus_handle(&focus_handle, cx);
8491 }
8492
8493 let rem_size = self.rem_size(cx);
8494 window.with_rem_size(rem_size, |window| {
8495 window.with_text_style(Some(text_style), |window| {
8496 window.with_content_mask(Some(ContentMask { bounds }), |window| {
8497 let (mut snapshot, is_read_only) = self.editor.update(cx, |editor, cx| {
8498 (editor.snapshot(window, cx), editor.read_only(cx))
8499 });
8500 let style = &self.style;
8501
8502 let rem_size = window.rem_size();
8503 let font_id = window.text_system().resolve_font(&style.text.font());
8504 let font_size = style.text.font_size.to_pixels(rem_size);
8505 let line_height = style.text.line_height_in_pixels(rem_size);
8506 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
8507 let em_advance = window.text_system().em_advance(font_id, font_size).unwrap();
8508 let glyph_grid_cell = size(em_advance, line_height);
8509
8510 let gutter_dimensions = snapshot
8511 .gutter_dimensions(
8512 font_id,
8513 font_size,
8514 self.max_line_number_width(&snapshot, window),
8515 cx,
8516 )
8517 .or_else(|| {
8518 self.editor.read(cx).offset_content.then(|| {
8519 GutterDimensions::default_with_margin(font_id, font_size, cx)
8520 })
8521 })
8522 .unwrap_or_default();
8523 let text_width = bounds.size.width - gutter_dimensions.width;
8524
8525 let settings = EditorSettings::get_global(cx);
8526 let scrollbars_shown = settings.scrollbar.show != ShowScrollbar::Never;
8527 let vertical_scrollbar_width = (scrollbars_shown
8528 && settings.scrollbar.axes.vertical
8529 && self.editor.read(cx).show_scrollbars.vertical)
8530 .then_some(style.scrollbar_width)
8531 .unwrap_or_default();
8532 let minimap_width = self
8533 .get_minimap_width(
8534 &settings.minimap,
8535 scrollbars_shown,
8536 text_width,
8537 em_width,
8538 font_size,
8539 rem_size,
8540 cx,
8541 )
8542 .unwrap_or_default();
8543
8544 let right_margin = minimap_width + vertical_scrollbar_width;
8545
8546 let editor_width =
8547 text_width - gutter_dimensions.margin - 2 * em_width - right_margin;
8548 let editor_margins = EditorMargins {
8549 gutter: gutter_dimensions,
8550 right: right_margin,
8551 };
8552
8553 snapshot = self.editor.update(cx, |editor, cx| {
8554 editor.last_bounds = Some(bounds);
8555 editor.gutter_dimensions = gutter_dimensions;
8556 editor.set_visible_line_count(
8557 (bounds.size.height / line_height) as f64,
8558 window,
8559 cx,
8560 );
8561 editor.set_visible_column_count(f64::from(editor_width / em_advance));
8562
8563 if matches!(
8564 editor.mode,
8565 EditorMode::AutoHeight { .. } | EditorMode::Minimap { .. }
8566 ) {
8567 snapshot
8568 } else {
8569 let wrap_width_for = |column: u32| (column as f32 * em_advance).ceil();
8570 let wrap_width = match editor.soft_wrap_mode(cx) {
8571 SoftWrap::GitDiff => None,
8572 SoftWrap::None => Some(wrap_width_for(MAX_LINE_LEN as u32 / 2)),
8573 SoftWrap::EditorWidth => Some(editor_width),
8574 SoftWrap::Column(column) => Some(wrap_width_for(column)),
8575 SoftWrap::Bounded(column) => {
8576 Some(editor_width.min(wrap_width_for(column)))
8577 }
8578 };
8579
8580 if editor.set_wrap_width(wrap_width, cx) {
8581 editor.snapshot(window, cx)
8582 } else {
8583 snapshot
8584 }
8585 }
8586 });
8587
8588 let hitbox = window.insert_hitbox(bounds, HitboxBehavior::Normal);
8589 let gutter_hitbox = window.insert_hitbox(
8590 gutter_bounds(bounds, gutter_dimensions),
8591 HitboxBehavior::Normal,
8592 );
8593 let text_hitbox = window.insert_hitbox(
8594 Bounds {
8595 origin: gutter_hitbox.top_right(),
8596 size: size(text_width, bounds.size.height),
8597 },
8598 HitboxBehavior::Normal,
8599 );
8600
8601 // Offset the content_bounds from the text_bounds by the gutter margin (which
8602 // is roughly half a character wide) to make hit testing work more like how we want.
8603 let content_offset = point(editor_margins.gutter.margin, Pixels::ZERO);
8604 let content_origin = text_hitbox.origin + content_offset;
8605
8606 let height_in_lines = f64::from(bounds.size.height / line_height);
8607 let max_row = snapshot.max_point().row().as_f64();
8608
8609 // The max scroll position for the top of the window
8610 let max_scroll_top = if matches!(
8611 snapshot.mode,
8612 EditorMode::SingleLine
8613 | EditorMode::AutoHeight { .. }
8614 | EditorMode::Full {
8615 sized_by_content: true,
8616 ..
8617 }
8618 ) {
8619 (max_row - height_in_lines + 1.).max(0.)
8620 } else {
8621 let settings = EditorSettings::get_global(cx);
8622 match settings.scroll_beyond_last_line {
8623 ScrollBeyondLastLine::OnePage => max_row,
8624 ScrollBeyondLastLine::Off => (max_row - height_in_lines + 1.).max(0.),
8625 ScrollBeyondLastLine::VerticalScrollMargin => {
8626 (max_row - height_in_lines + 1. + settings.vertical_scroll_margin)
8627 .max(0.)
8628 }
8629 }
8630 };
8631
8632 let (
8633 autoscroll_request,
8634 autoscroll_containing_element,
8635 needs_horizontal_autoscroll,
8636 ) = self.editor.update(cx, |editor, cx| {
8637 let autoscroll_request = editor.scroll_manager.take_autoscroll_request();
8638
8639 let autoscroll_containing_element =
8640 autoscroll_request.is_some() || editor.has_pending_selection();
8641
8642 let (needs_horizontal_autoscroll, was_scrolled) = editor
8643 .autoscroll_vertically(
8644 bounds,
8645 line_height,
8646 max_scroll_top,
8647 autoscroll_request,
8648 window,
8649 cx,
8650 );
8651 if was_scrolled.0 {
8652 snapshot = editor.snapshot(window, cx);
8653 }
8654 (
8655 autoscroll_request,
8656 autoscroll_containing_element,
8657 needs_horizontal_autoscroll,
8658 )
8659 });
8660
8661 let mut scroll_position = snapshot.scroll_position();
8662 // The scroll position is a fractional point, the whole number of which represents
8663 // the top of the window in terms of display rows.
8664 let start_row = DisplayRow(scroll_position.y as u32);
8665 let max_row = snapshot.max_point().row();
8666 let end_row = cmp::min(
8667 (scroll_position.y + height_in_lines).ceil() as u32,
8668 max_row.next_row().0,
8669 );
8670 let end_row = DisplayRow(end_row);
8671
8672 let row_infos = snapshot
8673 .row_infos(start_row)
8674 .take((start_row..end_row).len())
8675 .collect::<Vec<RowInfo>>();
8676 let is_row_soft_wrapped = |row: usize| {
8677 row_infos
8678 .get(row)
8679 .is_none_or(|info| info.buffer_row.is_none())
8680 };
8681
8682 let start_anchor = if start_row == Default::default() {
8683 Anchor::min()
8684 } else {
8685 snapshot.buffer_snapshot().anchor_before(
8686 DisplayPoint::new(start_row, 0).to_offset(&snapshot, Bias::Left),
8687 )
8688 };
8689 let end_anchor = if end_row > max_row {
8690 Anchor::max()
8691 } else {
8692 snapshot.buffer_snapshot().anchor_before(
8693 DisplayPoint::new(end_row, 0).to_offset(&snapshot, Bias::Right),
8694 )
8695 };
8696
8697 let mut highlighted_rows = self
8698 .editor
8699 .update(cx, |editor, cx| editor.highlighted_display_rows(window, cx));
8700
8701 let is_light = cx.theme().appearance().is_light();
8702
8703 for (ix, row_info) in row_infos.iter().enumerate() {
8704 let Some(diff_status) = row_info.diff_status else {
8705 continue;
8706 };
8707
8708 let background_color = match diff_status.kind {
8709 DiffHunkStatusKind::Added => cx.theme().colors().version_control_added,
8710 DiffHunkStatusKind::Deleted => {
8711 cx.theme().colors().version_control_deleted
8712 }
8713 DiffHunkStatusKind::Modified => {
8714 debug_panic!("modified diff status for row info");
8715 continue;
8716 }
8717 };
8718
8719 let hunk_opacity = if is_light { 0.16 } else { 0.12 };
8720
8721 let hollow_highlight = LineHighlight {
8722 background: (background_color.opacity(if is_light {
8723 0.08
8724 } else {
8725 0.06
8726 }))
8727 .into(),
8728 border: Some(if is_light {
8729 background_color.opacity(0.48)
8730 } else {
8731 background_color.opacity(0.36)
8732 }),
8733 include_gutter: true,
8734 type_id: None,
8735 };
8736
8737 let filled_highlight = LineHighlight {
8738 background: solid_background(background_color.opacity(hunk_opacity)),
8739 border: None,
8740 include_gutter: true,
8741 type_id: None,
8742 };
8743
8744 let background = if Self::diff_hunk_hollow(diff_status, cx) {
8745 hollow_highlight
8746 } else {
8747 filled_highlight
8748 };
8749
8750 highlighted_rows
8751 .entry(start_row + DisplayRow(ix as u32))
8752 .or_insert(background);
8753 }
8754
8755 let highlighted_ranges = self
8756 .editor_with_selections(cx)
8757 .map(|editor| {
8758 editor.read(cx).background_highlights_in_range(
8759 start_anchor..end_anchor,
8760 &snapshot.display_snapshot,
8761 cx.theme(),
8762 )
8763 })
8764 .unwrap_or_default();
8765 let highlighted_gutter_ranges =
8766 self.editor.read(cx).gutter_highlights_in_range(
8767 start_anchor..end_anchor,
8768 &snapshot.display_snapshot,
8769 cx,
8770 );
8771
8772 let document_colors = self
8773 .editor
8774 .read(cx)
8775 .colors
8776 .as_ref()
8777 .map(|colors| colors.editor_display_highlights(&snapshot));
8778 let redacted_ranges = self.editor.read(cx).redacted_ranges(
8779 start_anchor..end_anchor,
8780 &snapshot.display_snapshot,
8781 cx,
8782 );
8783
8784 let (local_selections, selected_buffer_ids): (
8785 Vec<Selection<Point>>,
8786 Vec<BufferId>,
8787 ) = self
8788 .editor_with_selections(cx)
8789 .map(|editor| {
8790 editor.update(cx, |editor, cx| {
8791 let all_selections =
8792 editor.selections.all::<Point>(&snapshot.display_snapshot);
8793 let selected_buffer_ids =
8794 if editor.buffer_kind(cx) == ItemBufferKind::Singleton {
8795 Vec::new()
8796 } else {
8797 let mut selected_buffer_ids =
8798 Vec::with_capacity(all_selections.len());
8799
8800 for selection in all_selections {
8801 for buffer_id in snapshot
8802 .buffer_snapshot()
8803 .buffer_ids_for_range(selection.range())
8804 {
8805 if selected_buffer_ids.last() != Some(&buffer_id) {
8806 selected_buffer_ids.push(buffer_id);
8807 }
8808 }
8809 }
8810
8811 selected_buffer_ids
8812 };
8813
8814 let mut selections = editor.selections.disjoint_in_range(
8815 start_anchor..end_anchor,
8816 &snapshot.display_snapshot,
8817 );
8818 selections
8819 .extend(editor.selections.pending(&snapshot.display_snapshot));
8820
8821 (selections, selected_buffer_ids)
8822 })
8823 })
8824 .unwrap_or_default();
8825
8826 let (selections, mut active_rows, newest_selection_head) = self
8827 .layout_selections(
8828 start_anchor,
8829 end_anchor,
8830 &local_selections,
8831 &snapshot,
8832 start_row,
8833 end_row,
8834 window,
8835 cx,
8836 );
8837 let mut breakpoint_rows = self.editor.update(cx, |editor, cx| {
8838 editor.active_breakpoints(start_row..end_row, window, cx)
8839 });
8840 for (display_row, (_, bp, state)) in &breakpoint_rows {
8841 if bp.is_enabled() && state.is_none_or(|s| s.verified) {
8842 active_rows.entry(*display_row).or_default().breakpoint = true;
8843 }
8844 }
8845
8846 let line_numbers = self.layout_line_numbers(
8847 Some(&gutter_hitbox),
8848 gutter_dimensions,
8849 line_height,
8850 scroll_position,
8851 start_row..end_row,
8852 &row_infos,
8853 &active_rows,
8854 newest_selection_head,
8855 &snapshot,
8856 window,
8857 cx,
8858 );
8859
8860 // We add the gutter breakpoint indicator to breakpoint_rows after painting
8861 // line numbers so we don't paint a line number debug accent color if a user
8862 // has their mouse over that line when a breakpoint isn't there
8863 self.editor.update(cx, |editor, _| {
8864 if let Some(phantom_breakpoint) = &mut editor
8865 .gutter_breakpoint_indicator
8866 .0
8867 .filter(|phantom_breakpoint| phantom_breakpoint.is_active)
8868 {
8869 // Is there a non-phantom breakpoint on this line?
8870 phantom_breakpoint.collides_with_existing_breakpoint = true;
8871 breakpoint_rows
8872 .entry(phantom_breakpoint.display_row)
8873 .or_insert_with(|| {
8874 let position = snapshot.display_point_to_anchor(
8875 DisplayPoint::new(phantom_breakpoint.display_row, 0),
8876 Bias::Right,
8877 );
8878 let breakpoint = Breakpoint::new_standard();
8879 phantom_breakpoint.collides_with_existing_breakpoint = false;
8880 (position, breakpoint, None)
8881 });
8882 }
8883 });
8884
8885 let mut expand_toggles =
8886 window.with_element_namespace("expand_toggles", |window| {
8887 self.layout_expand_toggles(
8888 &gutter_hitbox,
8889 gutter_dimensions,
8890 em_width,
8891 line_height,
8892 scroll_position,
8893 &row_infos,
8894 window,
8895 cx,
8896 )
8897 });
8898
8899 let mut crease_toggles =
8900 window.with_element_namespace("crease_toggles", |window| {
8901 self.layout_crease_toggles(
8902 start_row..end_row,
8903 &row_infos,
8904 &active_rows,
8905 &snapshot,
8906 window,
8907 cx,
8908 )
8909 });
8910 let crease_trailers =
8911 window.with_element_namespace("crease_trailers", |window| {
8912 self.layout_crease_trailers(
8913 row_infos.iter().copied(),
8914 &snapshot,
8915 window,
8916 cx,
8917 )
8918 });
8919
8920 let display_hunks = self.layout_gutter_diff_hunks(
8921 line_height,
8922 &gutter_hitbox,
8923 start_row..end_row,
8924 &snapshot,
8925 window,
8926 cx,
8927 );
8928
8929 let merged_highlighted_ranges =
8930 if let Some((_, colors)) = document_colors.as_ref() {
8931 &highlighted_ranges
8932 .clone()
8933 .into_iter()
8934 .chain(colors.clone())
8935 .collect()
8936 } else {
8937 &highlighted_ranges
8938 };
8939 let bg_segments_per_row = Self::bg_segments_per_row(
8940 start_row..end_row,
8941 &selections,
8942 &merged_highlighted_ranges,
8943 self.style.background,
8944 );
8945
8946 let mut line_layouts = Self::layout_lines(
8947 start_row..end_row,
8948 &snapshot,
8949 &self.style,
8950 editor_width,
8951 is_row_soft_wrapped,
8952 &bg_segments_per_row,
8953 window,
8954 cx,
8955 );
8956 let new_renderer_widths = (!is_minimap).then(|| {
8957 line_layouts
8958 .iter()
8959 .flat_map(|layout| &layout.fragments)
8960 .filter_map(|fragment| {
8961 if let LineFragment::Element { id, size, .. } = fragment {
8962 Some((*id, size.width))
8963 } else {
8964 None
8965 }
8966 })
8967 });
8968 if new_renderer_widths.is_some_and(|new_renderer_widths| {
8969 self.editor.update(cx, |editor, cx| {
8970 editor.update_renderer_widths(new_renderer_widths, cx)
8971 })
8972 }) {
8973 // If the fold widths have changed, we need to prepaint
8974 // the element again to account for any changes in
8975 // wrapping.
8976 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
8977 }
8978
8979 let longest_line_blame_width = self
8980 .editor
8981 .update(cx, |editor, cx| {
8982 if !editor.show_git_blame_inline {
8983 return None;
8984 }
8985 let blame = editor.blame.as_ref()?;
8986 let (_, blame_entry) = blame
8987 .update(cx, |blame, cx| {
8988 let row_infos =
8989 snapshot.row_infos(snapshot.longest_row()).next()?;
8990 blame.blame_for_rows(&[row_infos], cx).next()
8991 })
8992 .flatten()?;
8993 let mut element = render_inline_blame_entry(blame_entry, style, cx)?;
8994 let inline_blame_padding =
8995 ProjectSettings::get_global(cx).git.inline_blame.padding as f32
8996 * em_advance;
8997 Some(
8998 element
8999 .layout_as_root(AvailableSpace::min_size(), window, cx)
9000 .width
9001 + inline_blame_padding,
9002 )
9003 })
9004 .unwrap_or(Pixels::ZERO);
9005
9006 let longest_line_width = layout_line(
9007 snapshot.longest_row(),
9008 &snapshot,
9009 style,
9010 editor_width,
9011 is_row_soft_wrapped,
9012 window,
9013 cx,
9014 )
9015 .width;
9016
9017 let scrollbar_layout_information = ScrollbarLayoutInformation::new(
9018 text_hitbox.bounds,
9019 glyph_grid_cell,
9020 size(
9021 longest_line_width,
9022 Pixels::from(max_row.as_f64() * f64::from(line_height)),
9023 ),
9024 longest_line_blame_width,
9025 EditorSettings::get_global(cx),
9026 );
9027
9028 let mut scroll_width = scrollbar_layout_information.scroll_range.width;
9029
9030 let sticky_header_excerpt = if snapshot.buffer_snapshot().show_headers() {
9031 snapshot.sticky_header_excerpt(scroll_position.y)
9032 } else {
9033 None
9034 };
9035 let sticky_header_excerpt_id =
9036 sticky_header_excerpt.as_ref().map(|top| top.excerpt.id);
9037
9038 let blocks = (!is_minimap)
9039 .then(|| {
9040 window.with_element_namespace("blocks", |window| {
9041 self.render_blocks(
9042 start_row..end_row,
9043 &snapshot,
9044 &hitbox,
9045 &text_hitbox,
9046 editor_width,
9047 &mut scroll_width,
9048 &editor_margins,
9049 em_width,
9050 gutter_dimensions.full_width(),
9051 line_height,
9052 &mut line_layouts,
9053 &local_selections,
9054 &selected_buffer_ids,
9055 is_row_soft_wrapped,
9056 sticky_header_excerpt_id,
9057 window,
9058 cx,
9059 )
9060 })
9061 })
9062 .unwrap_or_else(|| Ok((Vec::default(), HashMap::default())));
9063 let (mut blocks, row_block_types) = match blocks {
9064 Ok(blocks) => blocks,
9065 Err(resized_blocks) => {
9066 self.editor.update(cx, |editor, cx| {
9067 editor.resize_blocks(
9068 resized_blocks,
9069 autoscroll_request.map(|(autoscroll, _)| autoscroll),
9070 cx,
9071 )
9072 });
9073 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
9074 }
9075 };
9076
9077 let sticky_buffer_header = sticky_header_excerpt.map(|sticky_header_excerpt| {
9078 window.with_element_namespace("blocks", |window| {
9079 self.layout_sticky_buffer_header(
9080 sticky_header_excerpt,
9081 scroll_position,
9082 line_height,
9083 right_margin,
9084 &snapshot,
9085 &hitbox,
9086 &selected_buffer_ids,
9087 &blocks,
9088 window,
9089 cx,
9090 )
9091 })
9092 });
9093
9094 let start_buffer_row =
9095 MultiBufferRow(start_anchor.to_point(&snapshot.buffer_snapshot()).row);
9096 let end_buffer_row =
9097 MultiBufferRow(end_anchor.to_point(&snapshot.buffer_snapshot()).row);
9098
9099 let scroll_max: gpui::Point<ScrollPixelOffset> = point(
9100 ScrollPixelOffset::from(
9101 ((scroll_width - editor_width) / em_advance).max(0.0),
9102 ),
9103 max_scroll_top,
9104 );
9105
9106 self.editor.update(cx, |editor, cx| {
9107 if editor.scroll_manager.clamp_scroll_left(scroll_max.x) {
9108 scroll_position.x = scroll_position.x.min(scroll_max.x);
9109 }
9110
9111 if needs_horizontal_autoscroll.0
9112 && let Some(new_scroll_position) = editor.autoscroll_horizontally(
9113 start_row,
9114 editor_width,
9115 scroll_width,
9116 em_advance,
9117 &line_layouts,
9118 autoscroll_request,
9119 window,
9120 cx,
9121 )
9122 {
9123 scroll_position = new_scroll_position;
9124 }
9125 });
9126
9127 let scroll_pixel_position = point(
9128 scroll_position.x * f64::from(em_advance),
9129 scroll_position.y * f64::from(line_height),
9130 );
9131 let indent_guides = self.layout_indent_guides(
9132 content_origin,
9133 text_hitbox.origin,
9134 start_buffer_row..end_buffer_row,
9135 scroll_pixel_position,
9136 line_height,
9137 &snapshot,
9138 window,
9139 cx,
9140 );
9141
9142 let crease_trailers =
9143 window.with_element_namespace("crease_trailers", |window| {
9144 self.prepaint_crease_trailers(
9145 crease_trailers,
9146 &line_layouts,
9147 line_height,
9148 content_origin,
9149 scroll_pixel_position,
9150 em_width,
9151 window,
9152 cx,
9153 )
9154 });
9155
9156 let (edit_prediction_popover, edit_prediction_popover_origin) = self
9157 .editor
9158 .update(cx, |editor, cx| {
9159 editor.render_edit_prediction_popover(
9160 &text_hitbox.bounds,
9161 content_origin,
9162 right_margin,
9163 &snapshot,
9164 start_row..end_row,
9165 scroll_position.y,
9166 scroll_position.y + height_in_lines,
9167 &line_layouts,
9168 line_height,
9169 scroll_position,
9170 scroll_pixel_position,
9171 newest_selection_head,
9172 editor_width,
9173 style,
9174 window,
9175 cx,
9176 )
9177 })
9178 .unzip();
9179
9180 let mut inline_diagnostics = self.layout_inline_diagnostics(
9181 &line_layouts,
9182 &crease_trailers,
9183 &row_block_types,
9184 content_origin,
9185 scroll_position,
9186 scroll_pixel_position,
9187 edit_prediction_popover_origin,
9188 start_row,
9189 end_row,
9190 line_height,
9191 em_width,
9192 style,
9193 window,
9194 cx,
9195 );
9196
9197 let mut inline_blame_layout = None;
9198 let mut inline_code_actions = None;
9199 if let Some(newest_selection_head) = newest_selection_head {
9200 let display_row = newest_selection_head.row();
9201 if (start_row..end_row).contains(&display_row)
9202 && !row_block_types.contains_key(&display_row)
9203 {
9204 inline_code_actions = self.layout_inline_code_actions(
9205 newest_selection_head,
9206 content_origin,
9207 scroll_position,
9208 scroll_pixel_position,
9209 line_height,
9210 &snapshot,
9211 window,
9212 cx,
9213 );
9214
9215 let line_ix = display_row.minus(start_row) as usize;
9216 if let (Some(row_info), Some(line_layout), Some(crease_trailer)) = (
9217 row_infos.get(line_ix),
9218 line_layouts.get(line_ix),
9219 crease_trailers.get(line_ix),
9220 ) {
9221 let crease_trailer_layout = crease_trailer.as_ref();
9222 if let Some(layout) = self.layout_inline_blame(
9223 display_row,
9224 row_info,
9225 line_layout,
9226 crease_trailer_layout,
9227 em_width,
9228 content_origin,
9229 scroll_position,
9230 scroll_pixel_position,
9231 line_height,
9232 &text_hitbox,
9233 window,
9234 cx,
9235 ) {
9236 inline_blame_layout = Some(layout);
9237 // Blame overrides inline diagnostics
9238 inline_diagnostics.remove(&display_row);
9239 }
9240 } else {
9241 log::error!(
9242 "bug: line_ix {} is out of bounds - row_infos.len(): {}, \
9243 line_layouts.len(): {}, \
9244 crease_trailers.len(): {}",
9245 line_ix,
9246 row_infos.len(),
9247 line_layouts.len(),
9248 crease_trailers.len(),
9249 );
9250 }
9251 }
9252 }
9253
9254 let blamed_display_rows = self.layout_blame_entries(
9255 &row_infos,
9256 em_width,
9257 scroll_position,
9258 line_height,
9259 &gutter_hitbox,
9260 gutter_dimensions.git_blame_entries_width,
9261 window,
9262 cx,
9263 );
9264
9265 let line_elements = self.prepaint_lines(
9266 start_row,
9267 &mut line_layouts,
9268 line_height,
9269 scroll_position,
9270 scroll_pixel_position,
9271 content_origin,
9272 window,
9273 cx,
9274 );
9275
9276 window.with_element_namespace("blocks", |window| {
9277 self.layout_blocks(
9278 &mut blocks,
9279 &hitbox,
9280 line_height,
9281 scroll_position,
9282 scroll_pixel_position,
9283 window,
9284 cx,
9285 );
9286 });
9287
9288 let cursors = self.collect_cursors(&snapshot, cx);
9289 let visible_row_range = start_row..end_row;
9290 let non_visible_cursors = cursors
9291 .iter()
9292 .any(|c| !visible_row_range.contains(&c.0.row()));
9293
9294 let visible_cursors = self.layout_visible_cursors(
9295 &snapshot,
9296 &selections,
9297 &row_block_types,
9298 start_row..end_row,
9299 &line_layouts,
9300 &text_hitbox,
9301 content_origin,
9302 scroll_position,
9303 scroll_pixel_position,
9304 line_height,
9305 em_width,
9306 em_advance,
9307 autoscroll_containing_element,
9308 window,
9309 cx,
9310 );
9311
9312 let scrollbars_layout = self.layout_scrollbars(
9313 &snapshot,
9314 &scrollbar_layout_information,
9315 content_offset,
9316 scroll_position,
9317 non_visible_cursors,
9318 right_margin,
9319 editor_width,
9320 window,
9321 cx,
9322 );
9323
9324 let gutter_settings = EditorSettings::get_global(cx).gutter;
9325
9326 let context_menu_layout =
9327 if let Some(newest_selection_head) = newest_selection_head {
9328 let newest_selection_point =
9329 newest_selection_head.to_point(&snapshot.display_snapshot);
9330 if (start_row..end_row).contains(&newest_selection_head.row()) {
9331 self.layout_cursor_popovers(
9332 line_height,
9333 &text_hitbox,
9334 content_origin,
9335 right_margin,
9336 start_row,
9337 scroll_pixel_position,
9338 &line_layouts,
9339 newest_selection_head,
9340 newest_selection_point,
9341 style,
9342 window,
9343 cx,
9344 )
9345 } else {
9346 None
9347 }
9348 } else {
9349 None
9350 };
9351
9352 self.layout_gutter_menu(
9353 line_height,
9354 &text_hitbox,
9355 content_origin,
9356 right_margin,
9357 scroll_pixel_position,
9358 gutter_dimensions.width - gutter_dimensions.left_padding,
9359 window,
9360 cx,
9361 );
9362
9363 let test_indicators = if gutter_settings.runnables {
9364 self.layout_run_indicators(
9365 line_height,
9366 start_row..end_row,
9367 &row_infos,
9368 scroll_position,
9369 &gutter_dimensions,
9370 &gutter_hitbox,
9371 &display_hunks,
9372 &snapshot,
9373 &mut breakpoint_rows,
9374 window,
9375 cx,
9376 )
9377 } else {
9378 Vec::new()
9379 };
9380
9381 let show_breakpoints = snapshot
9382 .show_breakpoints
9383 .unwrap_or(gutter_settings.breakpoints);
9384 let breakpoints = if show_breakpoints {
9385 self.layout_breakpoints(
9386 line_height,
9387 start_row..end_row,
9388 scroll_position,
9389 &gutter_dimensions,
9390 &gutter_hitbox,
9391 &display_hunks,
9392 &snapshot,
9393 breakpoint_rows,
9394 &row_infos,
9395 window,
9396 cx,
9397 )
9398 } else {
9399 Vec::new()
9400 };
9401
9402 self.layout_signature_help(
9403 &hitbox,
9404 content_origin,
9405 scroll_pixel_position,
9406 newest_selection_head,
9407 start_row,
9408 &line_layouts,
9409 line_height,
9410 em_width,
9411 context_menu_layout,
9412 window,
9413 cx,
9414 );
9415
9416 if !cx.has_active_drag() {
9417 self.layout_hover_popovers(
9418 &snapshot,
9419 &hitbox,
9420 start_row..end_row,
9421 content_origin,
9422 scroll_pixel_position,
9423 &line_layouts,
9424 line_height,
9425 em_width,
9426 context_menu_layout,
9427 window,
9428 cx,
9429 );
9430 }
9431
9432 let mouse_context_menu = self.layout_mouse_context_menu(
9433 &snapshot,
9434 start_row..end_row,
9435 content_origin,
9436 window,
9437 cx,
9438 );
9439
9440 window.with_element_namespace("crease_toggles", |window| {
9441 self.prepaint_crease_toggles(
9442 &mut crease_toggles,
9443 line_height,
9444 &gutter_dimensions,
9445 gutter_settings,
9446 scroll_pixel_position,
9447 &gutter_hitbox,
9448 window,
9449 cx,
9450 )
9451 });
9452
9453 window.with_element_namespace("expand_toggles", |window| {
9454 self.prepaint_expand_toggles(&mut expand_toggles, window, cx)
9455 });
9456
9457 let wrap_guides = self.layout_wrap_guides(
9458 em_advance,
9459 scroll_position,
9460 content_origin,
9461 scrollbars_layout.as_ref(),
9462 vertical_scrollbar_width,
9463 &hitbox,
9464 window,
9465 cx,
9466 );
9467
9468 let minimap = window.with_element_namespace("minimap", |window| {
9469 self.layout_minimap(
9470 &snapshot,
9471 minimap_width,
9472 scroll_position,
9473 &scrollbar_layout_information,
9474 scrollbars_layout.as_ref(),
9475 window,
9476 cx,
9477 )
9478 });
9479
9480 let invisible_symbol_font_size = font_size / 2.;
9481 let whitespace_map = &self
9482 .editor
9483 .read(cx)
9484 .buffer
9485 .read(cx)
9486 .language_settings(cx)
9487 .whitespace_map;
9488
9489 let tab_char = whitespace_map.tab.clone();
9490 let tab_len = tab_char.len();
9491 let tab_invisible = window.text_system().shape_line(
9492 tab_char,
9493 invisible_symbol_font_size,
9494 &[TextRun {
9495 len: tab_len,
9496 font: self.style.text.font(),
9497 color: cx.theme().colors().editor_invisible,
9498 background_color: None,
9499 underline: None,
9500 strikethrough: None,
9501 }],
9502 None,
9503 );
9504
9505 let space_char = whitespace_map.space.clone();
9506 let space_len = space_char.len();
9507 let space_invisible = window.text_system().shape_line(
9508 space_char,
9509 invisible_symbol_font_size,
9510 &[TextRun {
9511 len: space_len,
9512 font: self.style.text.font(),
9513 color: cx.theme().colors().editor_invisible,
9514 background_color: None,
9515 underline: None,
9516 strikethrough: None,
9517 }],
9518 None,
9519 );
9520
9521 let mode = snapshot.mode.clone();
9522
9523 let (diff_hunk_controls, diff_hunk_control_bounds) = if is_read_only {
9524 (vec![], vec![])
9525 } else {
9526 self.layout_diff_hunk_controls(
9527 start_row..end_row,
9528 &row_infos,
9529 &text_hitbox,
9530 newest_selection_head,
9531 line_height,
9532 right_margin,
9533 scroll_pixel_position,
9534 &display_hunks,
9535 &highlighted_rows,
9536 self.editor.clone(),
9537 window,
9538 cx,
9539 )
9540 };
9541
9542 let position_map = Rc::new(PositionMap {
9543 size: bounds.size,
9544 visible_row_range,
9545 scroll_position,
9546 scroll_pixel_position,
9547 scroll_max,
9548 line_layouts,
9549 line_height,
9550 em_width,
9551 em_advance,
9552 snapshot,
9553 gutter_hitbox: gutter_hitbox.clone(),
9554 text_hitbox: text_hitbox.clone(),
9555 inline_blame_bounds: inline_blame_layout
9556 .as_ref()
9557 .map(|layout| (layout.bounds, layout.buffer_id, layout.entry.clone())),
9558 display_hunks: display_hunks.clone(),
9559 diff_hunk_control_bounds,
9560 });
9561
9562 self.editor.update(cx, |editor, _| {
9563 editor.last_position_map = Some(position_map.clone())
9564 });
9565
9566 EditorLayout {
9567 mode,
9568 position_map,
9569 visible_display_row_range: start_row..end_row,
9570 wrap_guides,
9571 indent_guides,
9572 hitbox,
9573 gutter_hitbox,
9574 display_hunks,
9575 content_origin,
9576 scrollbars_layout,
9577 minimap,
9578 active_rows,
9579 highlighted_rows,
9580 highlighted_ranges,
9581 highlighted_gutter_ranges,
9582 redacted_ranges,
9583 document_colors,
9584 line_elements,
9585 line_numbers,
9586 blamed_display_rows,
9587 inline_diagnostics,
9588 inline_blame_layout,
9589 inline_code_actions,
9590 blocks,
9591 cursors,
9592 visible_cursors,
9593 selections,
9594 edit_prediction_popover,
9595 diff_hunk_controls,
9596 mouse_context_menu,
9597 test_indicators,
9598 breakpoints,
9599 crease_toggles,
9600 crease_trailers,
9601 tab_invisible,
9602 space_invisible,
9603 sticky_buffer_header,
9604 expand_toggles,
9605 }
9606 })
9607 })
9608 })
9609 }
9610
9611 fn paint(
9612 &mut self,
9613 _: Option<&GlobalElementId>,
9614 _inspector_id: Option<&gpui::InspectorElementId>,
9615 bounds: Bounds<gpui::Pixels>,
9616 _: &mut Self::RequestLayoutState,
9617 layout: &mut Self::PrepaintState,
9618 window: &mut Window,
9619 cx: &mut App,
9620 ) {
9621 if !layout.mode.is_minimap() {
9622 let focus_handle = self.editor.focus_handle(cx);
9623 let key_context = self
9624 .editor
9625 .update(cx, |editor, cx| editor.key_context(window, cx));
9626
9627 window.set_key_context(key_context);
9628 window.handle_input(
9629 &focus_handle,
9630 ElementInputHandler::new(bounds, self.editor.clone()),
9631 cx,
9632 );
9633 self.register_actions(window, cx);
9634 self.register_key_listeners(window, cx, layout);
9635 }
9636
9637 let text_style = TextStyleRefinement {
9638 font_size: Some(self.style.text.font_size),
9639 line_height: Some(self.style.text.line_height),
9640 ..Default::default()
9641 };
9642 let rem_size = self.rem_size(cx);
9643 window.with_rem_size(rem_size, |window| {
9644 window.with_text_style(Some(text_style), |window| {
9645 window.with_content_mask(Some(ContentMask { bounds }), |window| {
9646 self.paint_mouse_listeners(layout, window, cx);
9647 self.paint_background(layout, window, cx);
9648 self.paint_indent_guides(layout, window, cx);
9649
9650 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9651 self.paint_blamed_display_rows(layout, window, cx);
9652 self.paint_line_numbers(layout, window, cx);
9653 }
9654
9655 self.paint_text(layout, window, cx);
9656
9657 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9658 self.paint_gutter_highlights(layout, window, cx);
9659 self.paint_gutter_indicators(layout, window, cx);
9660 }
9661
9662 if !layout.blocks.is_empty() {
9663 window.with_element_namespace("blocks", |window| {
9664 self.paint_blocks(layout, window, cx);
9665 });
9666 }
9667
9668 window.with_element_namespace("blocks", |window| {
9669 if let Some(mut sticky_header) = layout.sticky_buffer_header.take() {
9670 sticky_header.paint(window, cx)
9671 }
9672 });
9673
9674 self.paint_minimap(layout, window, cx);
9675 self.paint_scrollbars(layout, window, cx);
9676 self.paint_edit_prediction_popover(layout, window, cx);
9677 self.paint_mouse_context_menu(layout, window, cx);
9678 });
9679 })
9680 })
9681 }
9682}
9683
9684pub(super) fn gutter_bounds(
9685 editor_bounds: Bounds<Pixels>,
9686 gutter_dimensions: GutterDimensions,
9687) -> Bounds<Pixels> {
9688 Bounds {
9689 origin: editor_bounds.origin,
9690 size: size(gutter_dimensions.width, editor_bounds.size.height),
9691 }
9692}
9693
9694#[derive(Clone, Copy)]
9695struct ContextMenuLayout {
9696 y_flipped: bool,
9697 bounds: Bounds<Pixels>,
9698}
9699
9700/// Holds information required for layouting the editor scrollbars.
9701struct ScrollbarLayoutInformation {
9702 /// The bounds of the editor area (excluding the content offset).
9703 editor_bounds: Bounds<Pixels>,
9704 /// The available range to scroll within the document.
9705 scroll_range: Size<Pixels>,
9706 /// The space available for one glyph in the editor.
9707 glyph_grid_cell: Size<Pixels>,
9708}
9709
9710impl ScrollbarLayoutInformation {
9711 pub fn new(
9712 editor_bounds: Bounds<Pixels>,
9713 glyph_grid_cell: Size<Pixels>,
9714 document_size: Size<Pixels>,
9715 longest_line_blame_width: Pixels,
9716 settings: &EditorSettings,
9717 ) -> Self {
9718 let vertical_overscroll = match settings.scroll_beyond_last_line {
9719 ScrollBeyondLastLine::OnePage => editor_bounds.size.height,
9720 ScrollBeyondLastLine::Off => glyph_grid_cell.height,
9721 ScrollBeyondLastLine::VerticalScrollMargin => {
9722 (1.0 + settings.vertical_scroll_margin) as f32 * glyph_grid_cell.height
9723 }
9724 };
9725
9726 let overscroll = size(longest_line_blame_width, vertical_overscroll);
9727
9728 ScrollbarLayoutInformation {
9729 editor_bounds,
9730 scroll_range: document_size + overscroll,
9731 glyph_grid_cell,
9732 }
9733 }
9734}
9735
9736impl IntoElement for EditorElement {
9737 type Element = Self;
9738
9739 fn into_element(self) -> Self::Element {
9740 self
9741 }
9742}
9743
9744pub struct EditorLayout {
9745 position_map: Rc<PositionMap>,
9746 hitbox: Hitbox,
9747 gutter_hitbox: Hitbox,
9748 content_origin: gpui::Point<Pixels>,
9749 scrollbars_layout: Option<EditorScrollbars>,
9750 minimap: Option<MinimapLayout>,
9751 mode: EditorMode,
9752 wrap_guides: SmallVec<[(Pixels, bool); 2]>,
9753 indent_guides: Option<Vec<IndentGuideLayout>>,
9754 visible_display_row_range: Range<DisplayRow>,
9755 active_rows: BTreeMap<DisplayRow, LineHighlightSpec>,
9756 highlighted_rows: BTreeMap<DisplayRow, LineHighlight>,
9757 line_elements: SmallVec<[AnyElement; 1]>,
9758 line_numbers: Arc<HashMap<MultiBufferRow, LineNumberLayout>>,
9759 display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
9760 blamed_display_rows: Option<Vec<AnyElement>>,
9761 inline_diagnostics: HashMap<DisplayRow, AnyElement>,
9762 inline_blame_layout: Option<InlineBlameLayout>,
9763 inline_code_actions: Option<AnyElement>,
9764 blocks: Vec<BlockLayout>,
9765 highlighted_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9766 highlighted_gutter_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9767 redacted_ranges: Vec<Range<DisplayPoint>>,
9768 cursors: Vec<(DisplayPoint, Hsla)>,
9769 visible_cursors: Vec<CursorLayout>,
9770 selections: Vec<(PlayerColor, Vec<SelectionLayout>)>,
9771 test_indicators: Vec<AnyElement>,
9772 breakpoints: Vec<AnyElement>,
9773 crease_toggles: Vec<Option<AnyElement>>,
9774 expand_toggles: Vec<Option<(AnyElement, gpui::Point<Pixels>)>>,
9775 diff_hunk_controls: Vec<AnyElement>,
9776 crease_trailers: Vec<Option<CreaseTrailerLayout>>,
9777 edit_prediction_popover: Option<AnyElement>,
9778 mouse_context_menu: Option<AnyElement>,
9779 tab_invisible: ShapedLine,
9780 space_invisible: ShapedLine,
9781 sticky_buffer_header: Option<AnyElement>,
9782 document_colors: Option<(DocumentColorsRenderMode, Vec<(Range<DisplayPoint>, Hsla)>)>,
9783}
9784
9785impl EditorLayout {
9786 fn line_end_overshoot(&self) -> Pixels {
9787 0.15 * self.position_map.line_height
9788 }
9789}
9790
9791struct LineNumberLayout {
9792 shaped_line: ShapedLine,
9793 hitbox: Option<Hitbox>,
9794}
9795
9796struct ColoredRange<T> {
9797 start: T,
9798 end: T,
9799 color: Hsla,
9800}
9801
9802impl Along for ScrollbarAxes {
9803 type Unit = bool;
9804
9805 fn along(&self, axis: ScrollbarAxis) -> Self::Unit {
9806 match axis {
9807 ScrollbarAxis::Horizontal => self.horizontal,
9808 ScrollbarAxis::Vertical => self.vertical,
9809 }
9810 }
9811
9812 fn apply_along(&self, axis: ScrollbarAxis, f: impl FnOnce(Self::Unit) -> Self::Unit) -> Self {
9813 match axis {
9814 ScrollbarAxis::Horizontal => ScrollbarAxes {
9815 horizontal: f(self.horizontal),
9816 vertical: self.vertical,
9817 },
9818 ScrollbarAxis::Vertical => ScrollbarAxes {
9819 horizontal: self.horizontal,
9820 vertical: f(self.vertical),
9821 },
9822 }
9823 }
9824}
9825
9826#[derive(Clone)]
9827struct EditorScrollbars {
9828 pub vertical: Option<ScrollbarLayout>,
9829 pub horizontal: Option<ScrollbarLayout>,
9830 pub visible: bool,
9831}
9832
9833impl EditorScrollbars {
9834 pub fn from_scrollbar_axes(
9835 show_scrollbar: ScrollbarAxes,
9836 layout_information: &ScrollbarLayoutInformation,
9837 content_offset: gpui::Point<Pixels>,
9838 scroll_position: gpui::Point<f64>,
9839 scrollbar_width: Pixels,
9840 right_margin: Pixels,
9841 editor_width: Pixels,
9842 show_scrollbars: bool,
9843 scrollbar_state: Option<&ActiveScrollbarState>,
9844 window: &mut Window,
9845 ) -> Self {
9846 let ScrollbarLayoutInformation {
9847 editor_bounds,
9848 scroll_range,
9849 glyph_grid_cell,
9850 } = layout_information;
9851
9852 let viewport_size = size(editor_width, editor_bounds.size.height);
9853
9854 let scrollbar_bounds_for = |axis: ScrollbarAxis| match axis {
9855 ScrollbarAxis::Horizontal => Bounds::from_corner_and_size(
9856 Corner::BottomLeft,
9857 editor_bounds.bottom_left(),
9858 size(
9859 // The horizontal viewport size differs from the space available for the
9860 // horizontal scrollbar, so we have to manually stitch it together here.
9861 editor_bounds.size.width - right_margin,
9862 scrollbar_width,
9863 ),
9864 ),
9865 ScrollbarAxis::Vertical => Bounds::from_corner_and_size(
9866 Corner::TopRight,
9867 editor_bounds.top_right(),
9868 size(scrollbar_width, viewport_size.height),
9869 ),
9870 };
9871
9872 let mut create_scrollbar_layout = |axis| {
9873 let viewport_size = viewport_size.along(axis);
9874 let scroll_range = scroll_range.along(axis);
9875
9876 // We always want a vertical scrollbar track for scrollbar diagnostic visibility.
9877 (show_scrollbar.along(axis)
9878 && (axis == ScrollbarAxis::Vertical || scroll_range > viewport_size))
9879 .then(|| {
9880 ScrollbarLayout::new(
9881 window.insert_hitbox(scrollbar_bounds_for(axis), HitboxBehavior::Normal),
9882 viewport_size,
9883 scroll_range,
9884 glyph_grid_cell.along(axis),
9885 content_offset.along(axis),
9886 scroll_position.along(axis),
9887 show_scrollbars,
9888 axis,
9889 )
9890 .with_thumb_state(
9891 scrollbar_state.and_then(|state| state.thumb_state_for_axis(axis)),
9892 )
9893 })
9894 };
9895
9896 Self {
9897 vertical: create_scrollbar_layout(ScrollbarAxis::Vertical),
9898 horizontal: create_scrollbar_layout(ScrollbarAxis::Horizontal),
9899 visible: show_scrollbars,
9900 }
9901 }
9902
9903 pub fn iter_scrollbars(&self) -> impl Iterator<Item = (&ScrollbarLayout, ScrollbarAxis)> + '_ {
9904 [
9905 (&self.vertical, ScrollbarAxis::Vertical),
9906 (&self.horizontal, ScrollbarAxis::Horizontal),
9907 ]
9908 .into_iter()
9909 .filter_map(|(scrollbar, axis)| scrollbar.as_ref().map(|s| (s, axis)))
9910 }
9911
9912 /// Returns the currently hovered scrollbar axis, if any.
9913 pub fn get_hovered_axis(&self, window: &Window) -> Option<(&ScrollbarLayout, ScrollbarAxis)> {
9914 self.iter_scrollbars()
9915 .find(|s| s.0.hitbox.is_hovered(window))
9916 }
9917}
9918
9919#[derive(Clone)]
9920struct ScrollbarLayout {
9921 hitbox: Hitbox,
9922 visible_range: Range<ScrollOffset>,
9923 text_unit_size: Pixels,
9924 thumb_bounds: Option<Bounds<Pixels>>,
9925 thumb_state: ScrollbarThumbState,
9926}
9927
9928impl ScrollbarLayout {
9929 const BORDER_WIDTH: Pixels = px(1.0);
9930 const LINE_MARKER_HEIGHT: Pixels = px(2.0);
9931 const MIN_MARKER_HEIGHT: Pixels = px(5.0);
9932 const MIN_THUMB_SIZE: Pixels = px(25.0);
9933
9934 fn new(
9935 scrollbar_track_hitbox: Hitbox,
9936 viewport_size: Pixels,
9937 scroll_range: Pixels,
9938 glyph_space: Pixels,
9939 content_offset: Pixels,
9940 scroll_position: ScrollOffset,
9941 show_thumb: bool,
9942 axis: ScrollbarAxis,
9943 ) -> Self {
9944 let track_bounds = scrollbar_track_hitbox.bounds;
9945 // The length of the track available to the scrollbar thumb. We deliberately
9946 // exclude the content size here so that the thumb aligns with the content.
9947 let track_length = track_bounds.size.along(axis) - content_offset;
9948
9949 Self::new_with_hitbox_and_track_length(
9950 scrollbar_track_hitbox,
9951 track_length,
9952 viewport_size,
9953 scroll_range.into(),
9954 glyph_space,
9955 content_offset.into(),
9956 scroll_position,
9957 show_thumb,
9958 axis,
9959 )
9960 }
9961
9962 fn for_minimap(
9963 minimap_track_hitbox: Hitbox,
9964 visible_lines: f64,
9965 total_editor_lines: f64,
9966 minimap_line_height: Pixels,
9967 scroll_position: ScrollOffset,
9968 minimap_scroll_top: ScrollOffset,
9969 show_thumb: bool,
9970 ) -> Self {
9971 // The scrollbar thumb size is calculated as
9972 // (visible_content/total_content) Γ scrollbar_track_length.
9973 //
9974 // For the minimap's thumb layout, we leverage this by setting the
9975 // scrollbar track length to the entire document size (using minimap line
9976 // height). This creates a thumb that exactly represents the editor
9977 // viewport scaled to minimap proportions.
9978 //
9979 // We adjust the thumb position relative to `minimap_scroll_top` to
9980 // accommodate for the deliberately oversized track.
9981 //
9982 // This approach ensures that the minimap thumb accurately reflects the
9983 // editor's current scroll position whilst nicely synchronizing the minimap
9984 // thumb and scrollbar thumb.
9985 let scroll_range = total_editor_lines * f64::from(minimap_line_height);
9986 let viewport_size = visible_lines * f64::from(minimap_line_height);
9987
9988 let track_top_offset = -minimap_scroll_top * f64::from(minimap_line_height);
9989
9990 Self::new_with_hitbox_and_track_length(
9991 minimap_track_hitbox,
9992 Pixels::from(scroll_range),
9993 Pixels::from(viewport_size),
9994 scroll_range,
9995 minimap_line_height,
9996 track_top_offset,
9997 scroll_position,
9998 show_thumb,
9999 ScrollbarAxis::Vertical,
10000 )
10001 }
10002
10003 fn new_with_hitbox_and_track_length(
10004 scrollbar_track_hitbox: Hitbox,
10005 track_length: Pixels,
10006 viewport_size: Pixels,
10007 scroll_range: f64,
10008 glyph_space: Pixels,
10009 content_offset: ScrollOffset,
10010 scroll_position: ScrollOffset,
10011 show_thumb: bool,
10012 axis: ScrollbarAxis,
10013 ) -> Self {
10014 let text_units_per_page = f64::from(viewport_size / glyph_space);
10015 let visible_range = scroll_position..scroll_position + text_units_per_page;
10016 let total_text_units = scroll_range / f64::from(glyph_space);
10017
10018 let thumb_percentage = text_units_per_page / total_text_units;
10019 let thumb_size = Pixels::from(ScrollOffset::from(track_length) * thumb_percentage)
10020 .max(ScrollbarLayout::MIN_THUMB_SIZE)
10021 .min(track_length);
10022
10023 let text_unit_divisor = (total_text_units - text_units_per_page).max(0.);
10024
10025 let content_larger_than_viewport = text_unit_divisor > 0.;
10026
10027 let text_unit_size = if content_larger_than_viewport {
10028 Pixels::from(ScrollOffset::from(track_length - thumb_size) / text_unit_divisor)
10029 } else {
10030 glyph_space
10031 };
10032
10033 let thumb_bounds = (show_thumb && content_larger_than_viewport).then(|| {
10034 Self::thumb_bounds(
10035 &scrollbar_track_hitbox,
10036 content_offset,
10037 visible_range.start,
10038 text_unit_size,
10039 thumb_size,
10040 axis,
10041 )
10042 });
10043
10044 ScrollbarLayout {
10045 hitbox: scrollbar_track_hitbox,
10046 visible_range,
10047 text_unit_size,
10048 thumb_bounds,
10049 thumb_state: Default::default(),
10050 }
10051 }
10052
10053 fn with_thumb_state(self, thumb_state: Option<ScrollbarThumbState>) -> Self {
10054 if let Some(thumb_state) = thumb_state {
10055 Self {
10056 thumb_state,
10057 ..self
10058 }
10059 } else {
10060 self
10061 }
10062 }
10063
10064 fn thumb_bounds(
10065 scrollbar_track: &Hitbox,
10066 content_offset: f64,
10067 visible_range_start: f64,
10068 text_unit_size: Pixels,
10069 thumb_size: Pixels,
10070 axis: ScrollbarAxis,
10071 ) -> Bounds<Pixels> {
10072 let thumb_origin = scrollbar_track.origin.apply_along(axis, |origin| {
10073 origin
10074 + Pixels::from(
10075 content_offset + visible_range_start * ScrollOffset::from(text_unit_size),
10076 )
10077 });
10078 Bounds::new(
10079 thumb_origin,
10080 scrollbar_track.size.apply_along(axis, |_| thumb_size),
10081 )
10082 }
10083
10084 fn thumb_hovered(&self, position: &gpui::Point<Pixels>) -> bool {
10085 self.thumb_bounds
10086 .is_some_and(|bounds| bounds.contains(position))
10087 }
10088
10089 fn marker_quads_for_ranges(
10090 &self,
10091 row_ranges: impl IntoIterator<Item = ColoredRange<DisplayRow>>,
10092 column: Option<usize>,
10093 ) -> Vec<PaintQuad> {
10094 struct MinMax {
10095 min: Pixels,
10096 max: Pixels,
10097 }
10098 let (x_range, height_limit) = if let Some(column) = column {
10099 let column_width = ((self.hitbox.size.width - Self::BORDER_WIDTH) / 3.0).floor();
10100 let start = Self::BORDER_WIDTH + (column as f32 * column_width);
10101 let end = start + column_width;
10102 (
10103 Range { start, end },
10104 MinMax {
10105 min: Self::MIN_MARKER_HEIGHT,
10106 max: px(f32::MAX),
10107 },
10108 )
10109 } else {
10110 (
10111 Range {
10112 start: Self::BORDER_WIDTH,
10113 end: self.hitbox.size.width,
10114 },
10115 MinMax {
10116 min: Self::LINE_MARKER_HEIGHT,
10117 max: Self::LINE_MARKER_HEIGHT,
10118 },
10119 )
10120 };
10121
10122 let row_to_y = |row: DisplayRow| row.as_f64() as f32 * self.text_unit_size;
10123 let mut pixel_ranges = row_ranges
10124 .into_iter()
10125 .map(|range| {
10126 let start_y = row_to_y(range.start);
10127 let end_y = row_to_y(range.end)
10128 + self
10129 .text_unit_size
10130 .max(height_limit.min)
10131 .min(height_limit.max);
10132 ColoredRange {
10133 start: start_y,
10134 end: end_y,
10135 color: range.color,
10136 }
10137 })
10138 .peekable();
10139
10140 let mut quads = Vec::new();
10141 while let Some(mut pixel_range) = pixel_ranges.next() {
10142 while let Some(next_pixel_range) = pixel_ranges.peek() {
10143 if pixel_range.end >= next_pixel_range.start - px(1.0)
10144 && pixel_range.color == next_pixel_range.color
10145 {
10146 pixel_range.end = next_pixel_range.end.max(pixel_range.end);
10147 pixel_ranges.next();
10148 } else {
10149 break;
10150 }
10151 }
10152
10153 let bounds = Bounds::from_corners(
10154 point(x_range.start, pixel_range.start),
10155 point(x_range.end, pixel_range.end),
10156 );
10157 quads.push(quad(
10158 bounds,
10159 Corners::default(),
10160 pixel_range.color,
10161 Edges::default(),
10162 Hsla::transparent_black(),
10163 BorderStyle::default(),
10164 ));
10165 }
10166
10167 quads
10168 }
10169}
10170
10171struct MinimapLayout {
10172 pub minimap: AnyElement,
10173 pub thumb_layout: ScrollbarLayout,
10174 pub minimap_scroll_top: ScrollOffset,
10175 pub minimap_line_height: Pixels,
10176 pub thumb_border_style: MinimapThumbBorder,
10177 pub max_scroll_top: ScrollOffset,
10178}
10179
10180impl MinimapLayout {
10181 /// The minimum width of the minimap in columns. If the minimap is smaller than this, it will be hidden.
10182 const MINIMAP_MIN_WIDTH_COLUMNS: f32 = 20.;
10183 /// The minimap width as a percentage of the editor width.
10184 const MINIMAP_WIDTH_PCT: f32 = 0.15;
10185 /// Calculates the scroll top offset the minimap editor has to have based on the
10186 /// current scroll progress.
10187 fn calculate_minimap_top_offset(
10188 document_lines: f64,
10189 visible_editor_lines: f64,
10190 visible_minimap_lines: f64,
10191 scroll_position: f64,
10192 ) -> ScrollOffset {
10193 let non_visible_document_lines = (document_lines - visible_editor_lines).max(0.);
10194 if non_visible_document_lines == 0. {
10195 0.
10196 } else {
10197 let scroll_percentage = (scroll_position / non_visible_document_lines).clamp(0., 1.);
10198 scroll_percentage * (document_lines - visible_minimap_lines).max(0.)
10199 }
10200 }
10201}
10202
10203struct CreaseTrailerLayout {
10204 element: AnyElement,
10205 bounds: Bounds<Pixels>,
10206}
10207
10208pub(crate) struct PositionMap {
10209 pub size: Size<Pixels>,
10210 pub line_height: Pixels,
10211 pub scroll_position: gpui::Point<ScrollOffset>,
10212 pub scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
10213 pub scroll_max: gpui::Point<ScrollOffset>,
10214 pub em_width: Pixels,
10215 pub em_advance: Pixels,
10216 pub visible_row_range: Range<DisplayRow>,
10217 pub line_layouts: Vec<LineWithInvisibles>,
10218 pub snapshot: EditorSnapshot,
10219 pub text_hitbox: Hitbox,
10220 pub gutter_hitbox: Hitbox,
10221 pub inline_blame_bounds: Option<(Bounds<Pixels>, BufferId, BlameEntry)>,
10222 pub display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
10223 pub diff_hunk_control_bounds: Vec<(DisplayRow, Bounds<Pixels>)>,
10224}
10225
10226#[derive(Debug, Copy, Clone)]
10227pub struct PointForPosition {
10228 pub previous_valid: DisplayPoint,
10229 pub next_valid: DisplayPoint,
10230 pub exact_unclipped: DisplayPoint,
10231 pub column_overshoot_after_line_end: u32,
10232}
10233
10234impl PointForPosition {
10235 pub fn as_valid(&self) -> Option<DisplayPoint> {
10236 if self.previous_valid == self.exact_unclipped && self.next_valid == self.exact_unclipped {
10237 Some(self.previous_valid)
10238 } else {
10239 None
10240 }
10241 }
10242
10243 pub fn intersects_selection(&self, selection: &Selection<DisplayPoint>) -> bool {
10244 let Some(valid_point) = self.as_valid() else {
10245 return false;
10246 };
10247 let range = selection.range();
10248
10249 let candidate_row = valid_point.row();
10250 let candidate_col = valid_point.column();
10251
10252 let start_row = range.start.row();
10253 let start_col = range.start.column();
10254 let end_row = range.end.row();
10255 let end_col = range.end.column();
10256
10257 if candidate_row < start_row || candidate_row > end_row {
10258 false
10259 } else if start_row == end_row {
10260 candidate_col >= start_col && candidate_col < end_col
10261 } else if candidate_row == start_row {
10262 candidate_col >= start_col
10263 } else if candidate_row == end_row {
10264 candidate_col < end_col
10265 } else {
10266 true
10267 }
10268 }
10269}
10270
10271impl PositionMap {
10272 pub(crate) fn point_for_position(&self, position: gpui::Point<Pixels>) -> PointForPosition {
10273 let text_bounds = self.text_hitbox.bounds;
10274 let scroll_position = self.snapshot.scroll_position();
10275 let position = position - text_bounds.origin;
10276 let y = position.y.max(px(0.)).min(self.size.height);
10277 let x = position.x + (scroll_position.x as f32 * self.em_advance);
10278 let row = ((y / self.line_height) as f64 + scroll_position.y) as u32;
10279
10280 let (column, x_overshoot_after_line_end) = if let Some(line) = self
10281 .line_layouts
10282 .get(row as usize - scroll_position.y as usize)
10283 {
10284 if let Some(ix) = line.index_for_x(x) {
10285 (ix as u32, px(0.))
10286 } else {
10287 (line.len as u32, px(0.).max(x - line.width))
10288 }
10289 } else {
10290 (0, x)
10291 };
10292
10293 let mut exact_unclipped = DisplayPoint::new(DisplayRow(row), column);
10294 let previous_valid = self.snapshot.clip_point(exact_unclipped, Bias::Left);
10295 let next_valid = self.snapshot.clip_point(exact_unclipped, Bias::Right);
10296
10297 let column_overshoot_after_line_end = (x_overshoot_after_line_end / self.em_advance) as u32;
10298 *exact_unclipped.column_mut() += column_overshoot_after_line_end;
10299 PointForPosition {
10300 previous_valid,
10301 next_valid,
10302 exact_unclipped,
10303 column_overshoot_after_line_end,
10304 }
10305 }
10306}
10307
10308struct BlockLayout {
10309 id: BlockId,
10310 x_offset: Pixels,
10311 row: Option<DisplayRow>,
10312 element: AnyElement,
10313 available_space: Size<AvailableSpace>,
10314 style: BlockStyle,
10315 overlaps_gutter: bool,
10316 is_buffer_header: bool,
10317}
10318
10319pub fn layout_line(
10320 row: DisplayRow,
10321 snapshot: &EditorSnapshot,
10322 style: &EditorStyle,
10323 text_width: Pixels,
10324 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
10325 window: &mut Window,
10326 cx: &mut App,
10327) -> LineWithInvisibles {
10328 let chunks = snapshot.highlighted_chunks(row..row + DisplayRow(1), true, style);
10329 LineWithInvisibles::from_chunks(
10330 chunks,
10331 style,
10332 MAX_LINE_LEN,
10333 1,
10334 &snapshot.mode,
10335 text_width,
10336 is_row_soft_wrapped,
10337 &[],
10338 window,
10339 cx,
10340 )
10341 .pop()
10342 .unwrap()
10343}
10344
10345#[derive(Debug)]
10346pub struct IndentGuideLayout {
10347 origin: gpui::Point<Pixels>,
10348 length: Pixels,
10349 single_indent_width: Pixels,
10350 depth: u32,
10351 active: bool,
10352 settings: IndentGuideSettings,
10353}
10354
10355pub struct CursorLayout {
10356 origin: gpui::Point<Pixels>,
10357 block_width: Pixels,
10358 line_height: Pixels,
10359 color: Hsla,
10360 shape: CursorShape,
10361 block_text: Option<ShapedLine>,
10362 cursor_name: Option<AnyElement>,
10363}
10364
10365#[derive(Debug)]
10366pub struct CursorName {
10367 string: SharedString,
10368 color: Hsla,
10369 is_top_row: bool,
10370}
10371
10372impl CursorLayout {
10373 pub fn new(
10374 origin: gpui::Point<Pixels>,
10375 block_width: Pixels,
10376 line_height: Pixels,
10377 color: Hsla,
10378 shape: CursorShape,
10379 block_text: Option<ShapedLine>,
10380 ) -> CursorLayout {
10381 CursorLayout {
10382 origin,
10383 block_width,
10384 line_height,
10385 color,
10386 shape,
10387 block_text,
10388 cursor_name: None,
10389 }
10390 }
10391
10392 pub fn bounding_rect(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10393 Bounds {
10394 origin: self.origin + origin,
10395 size: size(self.block_width, self.line_height),
10396 }
10397 }
10398
10399 fn bounds(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10400 match self.shape {
10401 CursorShape::Bar => Bounds {
10402 origin: self.origin + origin,
10403 size: size(px(2.0), self.line_height),
10404 },
10405 CursorShape::Block | CursorShape::Hollow => Bounds {
10406 origin: self.origin + origin,
10407 size: size(self.block_width, self.line_height),
10408 },
10409 CursorShape::Underline => Bounds {
10410 origin: self.origin
10411 + origin
10412 + gpui::Point::new(Pixels::ZERO, self.line_height - px(2.0)),
10413 size: size(self.block_width, px(2.0)),
10414 },
10415 }
10416 }
10417
10418 pub fn layout(
10419 &mut self,
10420 origin: gpui::Point<Pixels>,
10421 cursor_name: Option<CursorName>,
10422 window: &mut Window,
10423 cx: &mut App,
10424 ) {
10425 if let Some(cursor_name) = cursor_name {
10426 let bounds = self.bounds(origin);
10427 let text_size = self.line_height / 1.5;
10428
10429 let name_origin = if cursor_name.is_top_row {
10430 point(bounds.right() - px(1.), bounds.top())
10431 } else {
10432 match self.shape {
10433 CursorShape::Bar => point(
10434 bounds.right() - px(2.),
10435 bounds.top() - text_size / 2. - px(1.),
10436 ),
10437 _ => point(
10438 bounds.right() - px(1.),
10439 bounds.top() - text_size / 2. - px(1.),
10440 ),
10441 }
10442 };
10443 let mut name_element = div()
10444 .bg(self.color)
10445 .text_size(text_size)
10446 .px_0p5()
10447 .line_height(text_size + px(2.))
10448 .text_color(cursor_name.color)
10449 .child(cursor_name.string)
10450 .into_any_element();
10451
10452 name_element.prepaint_as_root(name_origin, AvailableSpace::min_size(), window, cx);
10453
10454 self.cursor_name = Some(name_element);
10455 }
10456 }
10457
10458 pub fn paint(&mut self, origin: gpui::Point<Pixels>, window: &mut Window, cx: &mut App) {
10459 let bounds = self.bounds(origin);
10460
10461 //Draw background or border quad
10462 let cursor = if matches!(self.shape, CursorShape::Hollow) {
10463 outline(bounds, self.color, BorderStyle::Solid)
10464 } else {
10465 fill(bounds, self.color)
10466 };
10467
10468 if let Some(name) = &mut self.cursor_name {
10469 name.paint(window, cx);
10470 }
10471
10472 window.paint_quad(cursor);
10473
10474 if let Some(block_text) = &self.block_text {
10475 block_text
10476 .paint(self.origin + origin, self.line_height, window, cx)
10477 .log_err();
10478 }
10479 }
10480
10481 pub fn shape(&self) -> CursorShape {
10482 self.shape
10483 }
10484}
10485
10486#[derive(Debug)]
10487pub struct HighlightedRange {
10488 pub start_y: Pixels,
10489 pub line_height: Pixels,
10490 pub lines: Vec<HighlightedRangeLine>,
10491 pub color: Hsla,
10492 pub corner_radius: Pixels,
10493}
10494
10495#[derive(Debug)]
10496pub struct HighlightedRangeLine {
10497 pub start_x: Pixels,
10498 pub end_x: Pixels,
10499}
10500
10501impl HighlightedRange {
10502 pub fn paint(&self, fill: bool, bounds: Bounds<Pixels>, window: &mut Window) {
10503 if self.lines.len() >= 2 && self.lines[0].start_x > self.lines[1].end_x {
10504 self.paint_lines(self.start_y, &self.lines[0..1], fill, bounds, window);
10505 self.paint_lines(
10506 self.start_y + self.line_height,
10507 &self.lines[1..],
10508 fill,
10509 bounds,
10510 window,
10511 );
10512 } else {
10513 self.paint_lines(self.start_y, &self.lines, fill, bounds, window);
10514 }
10515 }
10516
10517 fn paint_lines(
10518 &self,
10519 start_y: Pixels,
10520 lines: &[HighlightedRangeLine],
10521 fill: bool,
10522 _bounds: Bounds<Pixels>,
10523 window: &mut Window,
10524 ) {
10525 if lines.is_empty() {
10526 return;
10527 }
10528
10529 let first_line = lines.first().unwrap();
10530 let last_line = lines.last().unwrap();
10531
10532 let first_top_left = point(first_line.start_x, start_y);
10533 let first_top_right = point(first_line.end_x, start_y);
10534
10535 let curve_height = point(Pixels::ZERO, self.corner_radius);
10536 let curve_width = |start_x: Pixels, end_x: Pixels| {
10537 let max = (end_x - start_x) / 2.;
10538 let width = if max < self.corner_radius {
10539 max
10540 } else {
10541 self.corner_radius
10542 };
10543
10544 point(width, Pixels::ZERO)
10545 };
10546
10547 let top_curve_width = curve_width(first_line.start_x, first_line.end_x);
10548 let mut builder = if fill {
10549 gpui::PathBuilder::fill()
10550 } else {
10551 gpui::PathBuilder::stroke(px(1.))
10552 };
10553 builder.move_to(first_top_right - top_curve_width);
10554 builder.curve_to(first_top_right + curve_height, first_top_right);
10555
10556 let mut iter = lines.iter().enumerate().peekable();
10557 while let Some((ix, line)) = iter.next() {
10558 let bottom_right = point(line.end_x, start_y + (ix + 1) as f32 * self.line_height);
10559
10560 if let Some((_, next_line)) = iter.peek() {
10561 let next_top_right = point(next_line.end_x, bottom_right.y);
10562
10563 match next_top_right.x.partial_cmp(&bottom_right.x).unwrap() {
10564 Ordering::Equal => {
10565 builder.line_to(bottom_right);
10566 }
10567 Ordering::Less => {
10568 let curve_width = curve_width(next_top_right.x, bottom_right.x);
10569 builder.line_to(bottom_right - curve_height);
10570 if self.corner_radius > Pixels::ZERO {
10571 builder.curve_to(bottom_right - curve_width, bottom_right);
10572 }
10573 builder.line_to(next_top_right + curve_width);
10574 if self.corner_radius > Pixels::ZERO {
10575 builder.curve_to(next_top_right + curve_height, next_top_right);
10576 }
10577 }
10578 Ordering::Greater => {
10579 let curve_width = curve_width(bottom_right.x, next_top_right.x);
10580 builder.line_to(bottom_right - curve_height);
10581 if self.corner_radius > Pixels::ZERO {
10582 builder.curve_to(bottom_right + curve_width, bottom_right);
10583 }
10584 builder.line_to(next_top_right - curve_width);
10585 if self.corner_radius > Pixels::ZERO {
10586 builder.curve_to(next_top_right + curve_height, next_top_right);
10587 }
10588 }
10589 }
10590 } else {
10591 let curve_width = curve_width(line.start_x, line.end_x);
10592 builder.line_to(bottom_right - curve_height);
10593 if self.corner_radius > Pixels::ZERO {
10594 builder.curve_to(bottom_right - curve_width, bottom_right);
10595 }
10596
10597 let bottom_left = point(line.start_x, bottom_right.y);
10598 builder.line_to(bottom_left + curve_width);
10599 if self.corner_radius > Pixels::ZERO {
10600 builder.curve_to(bottom_left - curve_height, bottom_left);
10601 }
10602 }
10603 }
10604
10605 if first_line.start_x > last_line.start_x {
10606 let curve_width = curve_width(last_line.start_x, first_line.start_x);
10607 let second_top_left = point(last_line.start_x, start_y + self.line_height);
10608 builder.line_to(second_top_left + curve_height);
10609 if self.corner_radius > Pixels::ZERO {
10610 builder.curve_to(second_top_left + curve_width, second_top_left);
10611 }
10612 let first_bottom_left = point(first_line.start_x, second_top_left.y);
10613 builder.line_to(first_bottom_left - curve_width);
10614 if self.corner_radius > Pixels::ZERO {
10615 builder.curve_to(first_bottom_left - curve_height, first_bottom_left);
10616 }
10617 }
10618
10619 builder.line_to(first_top_left + curve_height);
10620 if self.corner_radius > Pixels::ZERO {
10621 builder.curve_to(first_top_left + top_curve_width, first_top_left);
10622 }
10623 builder.line_to(first_top_right - top_curve_width);
10624
10625 if let Ok(path) = builder.build() {
10626 window.paint_path(path, self.color);
10627 }
10628 }
10629}
10630
10631enum CursorPopoverType {
10632 CodeContextMenu,
10633 EditPrediction,
10634}
10635
10636pub fn scale_vertical_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10637 (delta.pow(1.2) / 100.0).min(px(3.0)).into()
10638}
10639
10640fn scale_horizontal_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10641 (delta.pow(1.2) / 300.0).into()
10642}
10643
10644pub fn register_action<T: Action>(
10645 editor: &Entity<Editor>,
10646 window: &mut Window,
10647 listener: impl Fn(&mut Editor, &T, &mut Window, &mut Context<Editor>) + 'static,
10648) {
10649 let editor = editor.clone();
10650 window.on_action(TypeId::of::<T>(), move |action, phase, window, cx| {
10651 let action = action.downcast_ref().unwrap();
10652 if phase == DispatchPhase::Bubble {
10653 editor.update(cx, |editor, cx| {
10654 listener(editor, action, window, cx);
10655 })
10656 }
10657 })
10658}
10659
10660fn compute_auto_height_layout(
10661 editor: &mut Editor,
10662 min_lines: usize,
10663 max_lines: Option<usize>,
10664 max_line_number_width: Pixels,
10665 known_dimensions: Size<Option<Pixels>>,
10666 available_width: AvailableSpace,
10667 window: &mut Window,
10668 cx: &mut Context<Editor>,
10669) -> Option<Size<Pixels>> {
10670 let width = known_dimensions.width.or({
10671 if let AvailableSpace::Definite(available_width) = available_width {
10672 Some(available_width)
10673 } else {
10674 None
10675 }
10676 })?;
10677 if let Some(height) = known_dimensions.height {
10678 return Some(size(width, height));
10679 }
10680
10681 let style = editor.style.as_ref().unwrap();
10682 let font_id = window.text_system().resolve_font(&style.text.font());
10683 let font_size = style.text.font_size.to_pixels(window.rem_size());
10684 let line_height = style.text.line_height_in_pixels(window.rem_size());
10685 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
10686
10687 let mut snapshot = editor.snapshot(window, cx);
10688 let gutter_dimensions = snapshot
10689 .gutter_dimensions(font_id, font_size, max_line_number_width, cx)
10690 .or_else(|| {
10691 editor
10692 .offset_content
10693 .then(|| GutterDimensions::default_with_margin(font_id, font_size, cx))
10694 })
10695 .unwrap_or_default();
10696
10697 editor.gutter_dimensions = gutter_dimensions;
10698 let text_width = width - gutter_dimensions.width;
10699 let overscroll = size(em_width, px(0.));
10700
10701 let editor_width = text_width - gutter_dimensions.margin - overscroll.width - em_width;
10702 if !matches!(editor.soft_wrap_mode(cx), SoftWrap::None)
10703 && editor.set_wrap_width(Some(editor_width), cx)
10704 {
10705 snapshot = editor.snapshot(window, cx);
10706 }
10707
10708 let scroll_height = (snapshot.max_point().row().next_row().0 as f32) * line_height;
10709
10710 let min_height = line_height * min_lines as f32;
10711 let content_height = scroll_height.max(min_height);
10712
10713 let final_height = if let Some(max_lines) = max_lines {
10714 let max_height = line_height * max_lines as f32;
10715 content_height.min(max_height)
10716 } else {
10717 content_height
10718 };
10719
10720 Some(size(width, final_height))
10721}
10722
10723#[cfg(test)]
10724mod tests {
10725 use super::*;
10726 use crate::{
10727 Editor, MultiBuffer, SelectionEffects,
10728 display_map::{BlockPlacement, BlockProperties},
10729 editor_tests::{init_test, update_test_language_settings},
10730 };
10731 use gpui::{TestAppContext, VisualTestContext};
10732 use language::language_settings;
10733 use log::info;
10734 use std::num::NonZeroU32;
10735 use util::test::sample_text;
10736
10737 #[gpui::test]
10738 async fn test_soft_wrap_editor_width_auto_height_editor(cx: &mut TestAppContext) {
10739 init_test(cx, |_| {});
10740
10741 let window = cx.add_window(|window, cx| {
10742 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10743 let mut editor = Editor::new(
10744 EditorMode::AutoHeight {
10745 min_lines: 1,
10746 max_lines: None,
10747 },
10748 buffer,
10749 None,
10750 window,
10751 cx,
10752 );
10753 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10754 editor
10755 });
10756 let cx = &mut VisualTestContext::from_window(*window, cx);
10757 let editor = window.root(cx).unwrap();
10758 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10759
10760 for x in 1..=100 {
10761 let (_, state) = cx.draw(
10762 Default::default(),
10763 size(px(200. + 0.13 * x as f32), px(500.)),
10764 |_, _| EditorElement::new(&editor, style.clone()),
10765 );
10766
10767 assert!(
10768 state.position_map.scroll_max.x == 0.,
10769 "Soft wrapped editor should have no horizontal scrolling!"
10770 );
10771 }
10772 }
10773
10774 #[gpui::test]
10775 async fn test_soft_wrap_editor_width_full_editor(cx: &mut TestAppContext) {
10776 init_test(cx, |_| {});
10777
10778 let window = cx.add_window(|window, cx| {
10779 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10780 let mut editor = Editor::new(EditorMode::full(), buffer, None, window, cx);
10781 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10782 editor
10783 });
10784 let cx = &mut VisualTestContext::from_window(*window, cx);
10785 let editor = window.root(cx).unwrap();
10786 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10787
10788 for x in 1..=100 {
10789 let (_, state) = cx.draw(
10790 Default::default(),
10791 size(px(200. + 0.13 * x as f32), px(500.)),
10792 |_, _| EditorElement::new(&editor, style.clone()),
10793 );
10794
10795 assert!(
10796 state.position_map.scroll_max.x == 0.,
10797 "Soft wrapped editor should have no horizontal scrolling!"
10798 );
10799 }
10800 }
10801
10802 #[gpui::test]
10803 fn test_shape_line_numbers(cx: &mut TestAppContext) {
10804 init_test(cx, |_| {});
10805 let window = cx.add_window(|window, cx| {
10806 let buffer = MultiBuffer::build_simple(&sample_text(6, 6, 'a'), cx);
10807 Editor::new(EditorMode::full(), buffer, None, window, cx)
10808 });
10809
10810 let editor = window.root(cx).unwrap();
10811 let style = cx.update(|cx| editor.read(cx).style().unwrap().clone());
10812 let line_height = window
10813 .update(cx, |_, window, _| {
10814 style.text.line_height_in_pixels(window.rem_size())
10815 })
10816 .unwrap();
10817 let element = EditorElement::new(&editor, style);
10818 let snapshot = window
10819 .update(cx, |editor, window, cx| editor.snapshot(window, cx))
10820 .unwrap();
10821
10822 let layouts = cx
10823 .update_window(*window, |_, window, cx| {
10824 element.layout_line_numbers(
10825 None,
10826 GutterDimensions {
10827 left_padding: Pixels::ZERO,
10828 right_padding: Pixels::ZERO,
10829 width: px(30.0),
10830 margin: Pixels::ZERO,
10831 git_blame_entries_width: None,
10832 },
10833 line_height,
10834 gpui::Point::default(),
10835 DisplayRow(0)..DisplayRow(6),
10836 &(0..6)
10837 .map(|row| RowInfo {
10838 buffer_row: Some(row),
10839 ..Default::default()
10840 })
10841 .collect::<Vec<_>>(),
10842 &BTreeMap::default(),
10843 Some(DisplayPoint::new(DisplayRow(0), 0)),
10844 &snapshot,
10845 window,
10846 cx,
10847 )
10848 })
10849 .unwrap();
10850 assert_eq!(layouts.len(), 6);
10851
10852 let relative_rows = window
10853 .update(cx, |editor, window, cx| {
10854 let snapshot = editor.snapshot(window, cx);
10855 element.calculate_relative_line_numbers(
10856 &snapshot,
10857 &(DisplayRow(0)..DisplayRow(6)),
10858 Some(DisplayRow(3)),
10859 )
10860 })
10861 .unwrap();
10862 assert_eq!(relative_rows[&DisplayRow(0)], 3);
10863 assert_eq!(relative_rows[&DisplayRow(1)], 2);
10864 assert_eq!(relative_rows[&DisplayRow(2)], 1);
10865 // current line has no relative number
10866 assert_eq!(relative_rows[&DisplayRow(4)], 1);
10867 assert_eq!(relative_rows[&DisplayRow(5)], 2);
10868
10869 // works if cursor is before screen
10870 let relative_rows = window
10871 .update(cx, |editor, window, cx| {
10872 let snapshot = editor.snapshot(window, cx);
10873 element.calculate_relative_line_numbers(
10874 &snapshot,
10875 &(DisplayRow(3)..DisplayRow(6)),
10876 Some(DisplayRow(1)),
10877 )
10878 })
10879 .unwrap();
10880 assert_eq!(relative_rows.len(), 3);
10881 assert_eq!(relative_rows[&DisplayRow(3)], 2);
10882 assert_eq!(relative_rows[&DisplayRow(4)], 3);
10883 assert_eq!(relative_rows[&DisplayRow(5)], 4);
10884
10885 // works if cursor is after screen
10886 let relative_rows = window
10887 .update(cx, |editor, window, cx| {
10888 let snapshot = editor.snapshot(window, cx);
10889 element.calculate_relative_line_numbers(
10890 &snapshot,
10891 &(DisplayRow(0)..DisplayRow(3)),
10892 Some(DisplayRow(6)),
10893 )
10894 })
10895 .unwrap();
10896 assert_eq!(relative_rows.len(), 3);
10897 assert_eq!(relative_rows[&DisplayRow(0)], 5);
10898 assert_eq!(relative_rows[&DisplayRow(1)], 4);
10899 assert_eq!(relative_rows[&DisplayRow(2)], 3);
10900 }
10901
10902 #[gpui::test]
10903 async fn test_vim_visual_selections(cx: &mut TestAppContext) {
10904 init_test(cx, |_| {});
10905
10906 let window = cx.add_window(|window, cx| {
10907 let buffer = MultiBuffer::build_simple(&(sample_text(6, 6, 'a') + "\n"), cx);
10908 Editor::new(EditorMode::full(), buffer, None, window, cx)
10909 });
10910 let cx = &mut VisualTestContext::from_window(*window, cx);
10911 let editor = window.root(cx).unwrap();
10912 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10913
10914 window
10915 .update(cx, |editor, window, cx| {
10916 editor.cursor_shape = CursorShape::Block;
10917 editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
10918 s.select_ranges([
10919 Point::new(0, 0)..Point::new(1, 0),
10920 Point::new(3, 2)..Point::new(3, 3),
10921 Point::new(5, 6)..Point::new(6, 0),
10922 ]);
10923 });
10924 })
10925 .unwrap();
10926
10927 let (_, state) = cx.draw(
10928 point(px(500.), px(500.)),
10929 size(px(500.), px(500.)),
10930 |_, _| EditorElement::new(&editor, style),
10931 );
10932
10933 assert_eq!(state.selections.len(), 1);
10934 let local_selections = &state.selections[0].1;
10935 assert_eq!(local_selections.len(), 3);
10936 // moves cursor back one line
10937 assert_eq!(
10938 local_selections[0].head,
10939 DisplayPoint::new(DisplayRow(0), 6)
10940 );
10941 assert_eq!(
10942 local_selections[0].range,
10943 DisplayPoint::new(DisplayRow(0), 0)..DisplayPoint::new(DisplayRow(1), 0)
10944 );
10945
10946 // moves cursor back one column
10947 assert_eq!(
10948 local_selections[1].range,
10949 DisplayPoint::new(DisplayRow(3), 2)..DisplayPoint::new(DisplayRow(3), 3)
10950 );
10951 assert_eq!(
10952 local_selections[1].head,
10953 DisplayPoint::new(DisplayRow(3), 2)
10954 );
10955
10956 // leaves cursor on the max point
10957 assert_eq!(
10958 local_selections[2].range,
10959 DisplayPoint::new(DisplayRow(5), 6)..DisplayPoint::new(DisplayRow(6), 0)
10960 );
10961 assert_eq!(
10962 local_selections[2].head,
10963 DisplayPoint::new(DisplayRow(6), 0)
10964 );
10965
10966 // active lines does not include 1 (even though the range of the selection does)
10967 assert_eq!(
10968 state.active_rows.keys().cloned().collect::<Vec<_>>(),
10969 vec![DisplayRow(0), DisplayRow(3), DisplayRow(5), DisplayRow(6)]
10970 );
10971 }
10972
10973 #[gpui::test]
10974 fn test_layout_with_placeholder_text_and_blocks(cx: &mut TestAppContext) {
10975 init_test(cx, |_| {});
10976
10977 let window = cx.add_window(|window, cx| {
10978 let buffer = MultiBuffer::build_simple("", cx);
10979 Editor::new(EditorMode::full(), buffer, None, window, cx)
10980 });
10981 let cx = &mut VisualTestContext::from_window(*window, cx);
10982 let editor = window.root(cx).unwrap();
10983 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10984 window
10985 .update(cx, |editor, window, cx| {
10986 editor.set_placeholder_text("hello", window, cx);
10987 editor.insert_blocks(
10988 [BlockProperties {
10989 style: BlockStyle::Fixed,
10990 placement: BlockPlacement::Above(Anchor::min()),
10991 height: Some(3),
10992 render: Arc::new(|cx| div().h(3. * cx.window.line_height()).into_any()),
10993 priority: 0,
10994 }],
10995 None,
10996 cx,
10997 );
10998
10999 // Blur the editor so that it displays placeholder text.
11000 window.blur();
11001 })
11002 .unwrap();
11003
11004 let (_, state) = cx.draw(
11005 point(px(500.), px(500.)),
11006 size(px(500.), px(500.)),
11007 |_, _| EditorElement::new(&editor, style),
11008 );
11009 assert_eq!(state.position_map.line_layouts.len(), 4);
11010 assert_eq!(state.line_numbers.len(), 1);
11011 assert_eq!(
11012 state
11013 .line_numbers
11014 .get(&MultiBufferRow(0))
11015 .map(|line_number| line_number.shaped_line.text.as_ref()),
11016 Some("1")
11017 );
11018 }
11019
11020 #[gpui::test]
11021 fn test_all_invisibles_drawing(cx: &mut TestAppContext) {
11022 const TAB_SIZE: u32 = 4;
11023
11024 let input_text = "\t \t|\t| a b";
11025 let expected_invisibles = vec![
11026 Invisible::Tab {
11027 line_start_offset: 0,
11028 line_end_offset: TAB_SIZE as usize,
11029 },
11030 Invisible::Whitespace {
11031 line_offset: TAB_SIZE as usize,
11032 },
11033 Invisible::Tab {
11034 line_start_offset: TAB_SIZE as usize + 1,
11035 line_end_offset: TAB_SIZE as usize * 2,
11036 },
11037 Invisible::Tab {
11038 line_start_offset: TAB_SIZE as usize * 2 + 1,
11039 line_end_offset: TAB_SIZE as usize * 3,
11040 },
11041 Invisible::Whitespace {
11042 line_offset: TAB_SIZE as usize * 3 + 1,
11043 },
11044 Invisible::Whitespace {
11045 line_offset: TAB_SIZE as usize * 3 + 3,
11046 },
11047 ];
11048 assert_eq!(
11049 expected_invisibles.len(),
11050 input_text
11051 .chars()
11052 .filter(|initial_char| initial_char.is_whitespace())
11053 .count(),
11054 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
11055 );
11056
11057 for show_line_numbers in [true, false] {
11058 init_test(cx, |s| {
11059 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11060 s.defaults.tab_size = NonZeroU32::new(TAB_SIZE);
11061 });
11062
11063 let actual_invisibles = collect_invisibles_from_new_editor(
11064 cx,
11065 EditorMode::full(),
11066 input_text,
11067 px(500.0),
11068 show_line_numbers,
11069 );
11070
11071 assert_eq!(expected_invisibles, actual_invisibles);
11072 }
11073 }
11074
11075 #[gpui::test]
11076 fn test_invisibles_dont_appear_in_certain_editors(cx: &mut TestAppContext) {
11077 init_test(cx, |s| {
11078 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11079 s.defaults.tab_size = NonZeroU32::new(4);
11080 });
11081
11082 for editor_mode_without_invisibles in [
11083 EditorMode::SingleLine,
11084 EditorMode::AutoHeight {
11085 min_lines: 1,
11086 max_lines: Some(100),
11087 },
11088 ] {
11089 for show_line_numbers in [true, false] {
11090 let invisibles = collect_invisibles_from_new_editor(
11091 cx,
11092 editor_mode_without_invisibles.clone(),
11093 "\t\t\t| | a b",
11094 px(500.0),
11095 show_line_numbers,
11096 );
11097 assert!(
11098 invisibles.is_empty(),
11099 "For editor mode {editor_mode_without_invisibles:?} no invisibles was expected but got {invisibles:?}"
11100 );
11101 }
11102 }
11103 }
11104
11105 #[gpui::test]
11106 fn test_wrapped_invisibles_drawing(cx: &mut TestAppContext) {
11107 let tab_size = 4;
11108 let input_text = "a\tbcd ".repeat(9);
11109 let repeated_invisibles = [
11110 Invisible::Tab {
11111 line_start_offset: 1,
11112 line_end_offset: tab_size as usize,
11113 },
11114 Invisible::Whitespace {
11115 line_offset: tab_size as usize + 3,
11116 },
11117 Invisible::Whitespace {
11118 line_offset: tab_size as usize + 4,
11119 },
11120 Invisible::Whitespace {
11121 line_offset: tab_size as usize + 5,
11122 },
11123 Invisible::Whitespace {
11124 line_offset: tab_size as usize + 6,
11125 },
11126 Invisible::Whitespace {
11127 line_offset: tab_size as usize + 7,
11128 },
11129 ];
11130 let expected_invisibles = std::iter::once(repeated_invisibles)
11131 .cycle()
11132 .take(9)
11133 .flatten()
11134 .collect::<Vec<_>>();
11135 assert_eq!(
11136 expected_invisibles.len(),
11137 input_text
11138 .chars()
11139 .filter(|initial_char| initial_char.is_whitespace())
11140 .count(),
11141 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
11142 );
11143 info!("Expected invisibles: {expected_invisibles:?}");
11144
11145 init_test(cx, |_| {});
11146
11147 // Put the same string with repeating whitespace pattern into editors of various size,
11148 // take deliberately small steps during resizing, to put all whitespace kinds near the wrap point.
11149 let resize_step = 10.0;
11150 let mut editor_width = 200.0;
11151 while editor_width <= 1000.0 {
11152 for show_line_numbers in [true, false] {
11153 update_test_language_settings(cx, |s| {
11154 s.defaults.tab_size = NonZeroU32::new(tab_size);
11155 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11156 s.defaults.preferred_line_length = Some(editor_width as u32);
11157 s.defaults.soft_wrap = Some(language_settings::SoftWrap::PreferredLineLength);
11158 });
11159
11160 let actual_invisibles = collect_invisibles_from_new_editor(
11161 cx,
11162 EditorMode::full(),
11163 &input_text,
11164 px(editor_width),
11165 show_line_numbers,
11166 );
11167
11168 // Whatever the editor size is, ensure it has the same invisible kinds in the same order
11169 // (no good guarantees about the offsets: wrapping could trigger padding and its tests should check the offsets).
11170 let mut i = 0;
11171 for (actual_index, actual_invisible) in actual_invisibles.iter().enumerate() {
11172 i = actual_index;
11173 match expected_invisibles.get(i) {
11174 Some(expected_invisible) => match (expected_invisible, actual_invisible) {
11175 (Invisible::Whitespace { .. }, Invisible::Whitespace { .. })
11176 | (Invisible::Tab { .. }, Invisible::Tab { .. }) => {}
11177 _ => {
11178 panic!(
11179 "At index {i}, expected invisible {expected_invisible:?} does not match actual {actual_invisible:?} by kind. Actual invisibles: {actual_invisibles:?}"
11180 )
11181 }
11182 },
11183 None => {
11184 panic!("Unexpected extra invisible {actual_invisible:?} at index {i}")
11185 }
11186 }
11187 }
11188 let missing_expected_invisibles = &expected_invisibles[i + 1..];
11189 assert!(
11190 missing_expected_invisibles.is_empty(),
11191 "Missing expected invisibles after index {i}: {missing_expected_invisibles:?}"
11192 );
11193
11194 editor_width += resize_step;
11195 }
11196 }
11197 }
11198
11199 fn collect_invisibles_from_new_editor(
11200 cx: &mut TestAppContext,
11201 editor_mode: EditorMode,
11202 input_text: &str,
11203 editor_width: Pixels,
11204 show_line_numbers: bool,
11205 ) -> Vec<Invisible> {
11206 info!(
11207 "Creating editor with mode {editor_mode:?}, width {}px and text '{input_text}'",
11208 f32::from(editor_width)
11209 );
11210 let window = cx.add_window(|window, cx| {
11211 let buffer = MultiBuffer::build_simple(input_text, cx);
11212 Editor::new(editor_mode, buffer, None, window, cx)
11213 });
11214 let cx = &mut VisualTestContext::from_window(*window, cx);
11215 let editor = window.root(cx).unwrap();
11216
11217 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
11218 window
11219 .update(cx, |editor, _, cx| {
11220 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
11221 editor.set_wrap_width(Some(editor_width), cx);
11222 editor.set_show_line_numbers(show_line_numbers, cx);
11223 })
11224 .unwrap();
11225 let (_, state) = cx.draw(
11226 point(px(500.), px(500.)),
11227 size(px(500.), px(500.)),
11228 |_, _| EditorElement::new(&editor, style),
11229 );
11230 state
11231 .position_map
11232 .line_layouts
11233 .iter()
11234 .flat_map(|line_with_invisibles| &line_with_invisibles.invisibles)
11235 .cloned()
11236 .collect()
11237 }
11238
11239 #[gpui::test]
11240 fn test_merge_overlapping_ranges() {
11241 let base_bg = Hsla::white();
11242 let color1 = Hsla {
11243 h: 0.0,
11244 s: 0.5,
11245 l: 0.5,
11246 a: 0.5,
11247 };
11248 let color2 = Hsla {
11249 h: 120.0,
11250 s: 0.5,
11251 l: 0.5,
11252 a: 0.5,
11253 };
11254
11255 let display_point = |col| DisplayPoint::new(DisplayRow(0), col);
11256 let cols = |v: &Vec<(Range<DisplayPoint>, Hsla)>| -> Vec<(u32, u32)> {
11257 v.iter()
11258 .map(|(r, _)| (r.start.column(), r.end.column()))
11259 .collect()
11260 };
11261
11262 // Test overlapping ranges blend colors
11263 let overlapping = vec![
11264 (display_point(5)..display_point(15), color1),
11265 (display_point(10)..display_point(20), color2),
11266 ];
11267 let result = EditorElement::merge_overlapping_ranges(overlapping, base_bg);
11268 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11269
11270 // Test middle segment should have blended color
11271 let blended = Hsla::blend(Hsla::blend(base_bg, color1), color2);
11272 assert_eq!(result[1].1, blended);
11273
11274 // Test adjacent same-color ranges merge
11275 let adjacent_same = vec![
11276 (display_point(5)..display_point(10), color1),
11277 (display_point(10)..display_point(15), color1),
11278 ];
11279 let result = EditorElement::merge_overlapping_ranges(adjacent_same, base_bg);
11280 assert_eq!(cols(&result), vec![(5, 15)]);
11281
11282 // Test contained range splits
11283 let contained = vec![
11284 (display_point(5)..display_point(20), color1),
11285 (display_point(10)..display_point(15), color2),
11286 ];
11287 let result = EditorElement::merge_overlapping_ranges(contained, base_bg);
11288 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11289
11290 // Test multiple overlaps split at every boundary
11291 let color3 = Hsla {
11292 h: 240.0,
11293 s: 0.5,
11294 l: 0.5,
11295 a: 0.5,
11296 };
11297 let complex = vec![
11298 (display_point(5)..display_point(12), color1),
11299 (display_point(8)..display_point(16), color2),
11300 (display_point(10)..display_point(14), color3),
11301 ];
11302 let result = EditorElement::merge_overlapping_ranges(complex, base_bg);
11303 assert_eq!(
11304 cols(&result),
11305 vec![(5, 8), (8, 10), (10, 12), (12, 14), (14, 16)]
11306 );
11307 }
11308
11309 #[gpui::test]
11310 fn test_bg_segments_per_row() {
11311 let base_bg = Hsla::white();
11312
11313 // Case A: selection spans three display rows: row 1 [5, end), full row 2, row 3 [0, 7)
11314 {
11315 let selection_color = Hsla {
11316 h: 200.0,
11317 s: 0.5,
11318 l: 0.5,
11319 a: 0.5,
11320 };
11321 let player_color = PlayerColor {
11322 cursor: selection_color,
11323 background: selection_color,
11324 selection: selection_color,
11325 };
11326
11327 let spanning_selection = SelectionLayout {
11328 head: DisplayPoint::new(DisplayRow(3), 7),
11329 cursor_shape: CursorShape::Bar,
11330 is_newest: true,
11331 is_local: true,
11332 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 7),
11333 active_rows: DisplayRow(1)..DisplayRow(4),
11334 user_name: None,
11335 };
11336
11337 let selections = vec![(player_color, vec![spanning_selection])];
11338 let result = EditorElement::bg_segments_per_row(
11339 DisplayRow(0)..DisplayRow(5),
11340 &selections,
11341 &[],
11342 base_bg,
11343 );
11344
11345 assert_eq!(result.len(), 5);
11346 assert!(result[0].is_empty());
11347 assert_eq!(result[1].len(), 1);
11348 assert_eq!(result[2].len(), 1);
11349 assert_eq!(result[3].len(), 1);
11350 assert!(result[4].is_empty());
11351
11352 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11353 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11354 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11355 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11356 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11357 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11358 assert_eq!(result[3][0].0.start, DisplayPoint::new(DisplayRow(3), 0));
11359 assert_eq!(result[3][0].0.end, DisplayPoint::new(DisplayRow(3), 7));
11360 }
11361
11362 // Case B: selection ends exactly at the start of row 3, excluding row 3
11363 {
11364 let selection_color = Hsla {
11365 h: 120.0,
11366 s: 0.5,
11367 l: 0.5,
11368 a: 0.5,
11369 };
11370 let player_color = PlayerColor {
11371 cursor: selection_color,
11372 background: selection_color,
11373 selection: selection_color,
11374 };
11375
11376 let selection = SelectionLayout {
11377 head: DisplayPoint::new(DisplayRow(2), 0),
11378 cursor_shape: CursorShape::Bar,
11379 is_newest: true,
11380 is_local: true,
11381 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 0),
11382 active_rows: DisplayRow(1)..DisplayRow(3),
11383 user_name: None,
11384 };
11385
11386 let selections = vec![(player_color, vec![selection])];
11387 let result = EditorElement::bg_segments_per_row(
11388 DisplayRow(0)..DisplayRow(4),
11389 &selections,
11390 &[],
11391 base_bg,
11392 );
11393
11394 assert_eq!(result.len(), 4);
11395 assert!(result[0].is_empty());
11396 assert_eq!(result[1].len(), 1);
11397 assert_eq!(result[2].len(), 1);
11398 assert!(result[3].is_empty());
11399
11400 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11401 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11402 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11403 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11404 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11405 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11406 }
11407 }
11408
11409 #[cfg(test)]
11410 fn generate_test_run(len: usize, color: Hsla) -> TextRun {
11411 TextRun {
11412 len,
11413 font: gpui::font(".SystemUIFont"),
11414 color,
11415 background_color: None,
11416 underline: None,
11417 strikethrough: None,
11418 }
11419 }
11420
11421 #[gpui::test]
11422 fn test_split_runs_by_bg_segments(cx: &mut gpui::TestAppContext) {
11423 init_test(cx, |_| {});
11424
11425 let dx = |start: u32, end: u32| {
11426 DisplayPoint::new(DisplayRow(0), start)..DisplayPoint::new(DisplayRow(0), end)
11427 };
11428
11429 let text_color = Hsla {
11430 h: 210.0,
11431 s: 0.1,
11432 l: 0.4,
11433 a: 1.0,
11434 };
11435 let bg_1 = Hsla {
11436 h: 30.0,
11437 s: 0.6,
11438 l: 0.8,
11439 a: 1.0,
11440 };
11441 let bg_2 = Hsla {
11442 h: 200.0,
11443 s: 0.6,
11444 l: 0.2,
11445 a: 1.0,
11446 };
11447 let min_contrast = 45.0;
11448 let adjusted_bg1 = ensure_minimum_contrast(text_color, bg_1, min_contrast);
11449 let adjusted_bg2 = ensure_minimum_contrast(text_color, bg_2, min_contrast);
11450
11451 // Case A: single run; disjoint segments inside the run
11452 {
11453 let runs = vec![generate_test_run(20, text_color)];
11454 let segs = vec![(dx(5, 10), bg_1), (dx(12, 16), bg_2)];
11455 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11456 // Expected slices: [0,5) [5,10) [10,12) [12,16) [16,20)
11457 assert_eq!(
11458 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11459 vec![5, 5, 2, 4, 4]
11460 );
11461 assert_eq!(out[0].color, text_color);
11462 assert_eq!(out[1].color, adjusted_bg1);
11463 assert_eq!(out[2].color, text_color);
11464 assert_eq!(out[3].color, adjusted_bg2);
11465 assert_eq!(out[4].color, text_color);
11466 }
11467
11468 // Case B: multiple runs; segment extends to end of line (u32::MAX)
11469 {
11470 let runs = vec![
11471 generate_test_run(8, text_color),
11472 generate_test_run(7, text_color),
11473 ];
11474 let segs = vec![(dx(6, u32::MAX), bg_1)];
11475 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11476 // Expected slices across runs: [0,6) [6,8) | [0,7)
11477 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![6, 2, 7]);
11478 assert_eq!(out[0].color, text_color);
11479 assert_eq!(out[1].color, adjusted_bg1);
11480 assert_eq!(out[2].color, adjusted_bg1);
11481 }
11482
11483 // Case C: multi-byte characters
11484 {
11485 // for text: "Hello π δΈη!"
11486 let runs = vec![
11487 generate_test_run(5, text_color), // "Hello"
11488 generate_test_run(6, text_color), // " π "
11489 generate_test_run(6, text_color), // "δΈη"
11490 generate_test_run(1, text_color), // "!"
11491 ];
11492 // selecting "π δΈ"
11493 let segs = vec![(dx(6, 14), bg_1)];
11494 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11495 // "Hello" | " " | "π " | "δΈ" | "η" | "!"
11496 assert_eq!(
11497 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11498 vec![5, 1, 5, 3, 3, 1]
11499 );
11500 assert_eq!(out[0].color, text_color); // "Hello"
11501 assert_eq!(out[2].color, adjusted_bg1); // "π "
11502 assert_eq!(out[3].color, adjusted_bg1); // "δΈ"
11503 assert_eq!(out[4].color, text_color); // "η"
11504 assert_eq!(out[5].color, text_color); // "!"
11505 }
11506
11507 // Case D: split multiple consecutive text runs with segments
11508 {
11509 let segs = vec![
11510 (dx(2, 4), bg_1), // selecting "cd"
11511 (dx(4, 8), bg_2), // selecting "efgh"
11512 (dx(9, 11), bg_1), // selecting "jk"
11513 (dx(12, 16), bg_2), // selecting "mnop"
11514 (dx(18, 19), bg_1), // selecting "s"
11515 ];
11516
11517 // for text: "abcdef"
11518 let runs = vec![
11519 generate_test_run(2, text_color), // ab
11520 generate_test_run(4, text_color), // cdef
11521 ];
11522 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11523 // new splits "ab", "cd", "ef"
11524 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![2, 2, 2]);
11525 assert_eq!(out[0].color, text_color);
11526 assert_eq!(out[1].color, adjusted_bg1);
11527 assert_eq!(out[2].color, adjusted_bg2);
11528
11529 // for text: "ghijklmn"
11530 let runs = vec![
11531 generate_test_run(3, text_color), // ghi
11532 generate_test_run(2, text_color), // jk
11533 generate_test_run(3, text_color), // lmn
11534 ];
11535 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 6); // 2 + 4 from first run
11536 // new splits "gh", "i", "jk", "l", "mn"
11537 assert_eq!(
11538 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11539 vec![2, 1, 2, 1, 2]
11540 );
11541 assert_eq!(out[0].color, adjusted_bg2);
11542 assert_eq!(out[1].color, text_color);
11543 assert_eq!(out[2].color, adjusted_bg1);
11544 assert_eq!(out[3].color, text_color);
11545 assert_eq!(out[4].color, adjusted_bg2);
11546
11547 // for text: "opqrs"
11548 let runs = vec![
11549 generate_test_run(1, text_color), // o
11550 generate_test_run(4, text_color), // pqrs
11551 ];
11552 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 14); // 6 + 3 + 2 + 3 from first two runs
11553 // new splits "o", "p", "qr", "s"
11554 assert_eq!(
11555 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11556 vec![1, 1, 2, 1]
11557 );
11558 assert_eq!(out[0].color, adjusted_bg2);
11559 assert_eq!(out[1].color, adjusted_bg2);
11560 assert_eq!(out[2].color, text_color);
11561 assert_eq!(out[3].color, adjusted_bg1);
11562 }
11563 }
11564}