1use crate::{
2 ActiveDiagnostic, BlockId, CURSORS_VISIBLE_FOR, ChunkRendererContext, ChunkReplacement,
3 CodeActionSource, ColumnarMode, ConflictsOurs, ConflictsOursMarker, ConflictsOuter,
4 ConflictsTheirs, ConflictsTheirsMarker, ContextMenuPlacement, CursorShape, CustomBlockId,
5 DisplayDiffHunk, DisplayPoint, DisplayRow, DocumentHighlightRead, DocumentHighlightWrite,
6 EditDisplayMode, EditPrediction, Editor, EditorMode, EditorSettings, EditorSnapshot,
7 EditorStyle, FILE_HEADER_HEIGHT, FocusedBlock, GutterDimensions, HalfPageDown, HalfPageUp,
8 HandleInput, HoveredCursor, InlayHintRefreshReason, JumpData, LineDown, LineHighlight, LineUp,
9 MAX_LINE_LEN, MINIMAP_FONT_SIZE, MULTI_BUFFER_EXCERPT_HEADER_HEIGHT, OpenExcerpts, PageDown,
10 PageUp, PhantomBreakpointIndicator, Point, RowExt, RowRangeExt, SelectPhase,
11 SelectedTextHighlight, Selection, SelectionDragState, SoftWrap, StickyHeaderExcerpt, ToPoint,
12 ToggleFold, ToggleFoldAll,
13 code_context_menus::{CodeActionsMenu, MENU_ASIDE_MAX_WIDTH, MENU_ASIDE_MIN_WIDTH, MENU_GAP},
14 display_map::{
15 Block, BlockContext, BlockStyle, ChunkRendererId, DisplaySnapshot, EditorMargins,
16 HighlightKey, HighlightedChunk, ToDisplayPoint,
17 },
18 editor_settings::{
19 CurrentLineHighlight, DocumentColorsRenderMode, DoubleClickInMultibuffer, Minimap,
20 MinimapThumb, MinimapThumbBorder, ScrollBeyondLastLine, ScrollbarAxes,
21 ScrollbarDiagnostics, ShowMinimap,
22 },
23 git::blame::{BlameRenderer, GitBlame, GlobalBlameRenderer},
24 hover_popover::{
25 self, HOVER_POPOVER_GAP, MIN_POPOVER_CHARACTER_WIDTH, MIN_POPOVER_LINE_HEIGHT,
26 POPOVER_RIGHT_OFFSET, hover_at,
27 },
28 inlay_hint_settings,
29 items::BufferSearchHighlights,
30 mouse_context_menu::{self, MenuPosition},
31 scroll::{
32 ActiveScrollbarState, ScrollOffset, ScrollPixelOffset, ScrollbarThumbState,
33 scroll_amount::ScrollAmount,
34 },
35};
36use buffer_diff::{DiffHunkStatus, DiffHunkStatusKind};
37use collections::{BTreeMap, HashMap};
38use file_icons::FileIcons;
39use git::{
40 Oid,
41 blame::{BlameEntry, ParsedCommitMessage},
42 status::FileStatus,
43};
44use gpui::{
45 Action, Along, AnyElement, App, AppContext, AvailableSpace, Axis as ScrollbarAxis, BorderStyle,
46 Bounds, ClickEvent, ClipboardItem, ContentMask, Context, Corner, Corners, CursorStyle,
47 DispatchPhase, Edges, Element, ElementInputHandler, Entity, Focusable as _, FontId,
48 GlobalElementId, Hitbox, HitboxBehavior, Hsla, InteractiveElement, IntoElement, IsZero,
49 KeybindingKeystroke, Length, Modifiers, ModifiersChangedEvent, MouseButton, MouseClickEvent,
50 MouseDownEvent, MouseMoveEvent, MouseUpEvent, PaintQuad, ParentElement, Pixels, ScrollDelta,
51 ScrollHandle, ScrollWheelEvent, ShapedLine, SharedString, Size, StatefulInteractiveElement,
52 Style, Styled, TextRun, TextStyleRefinement, WeakEntity, Window, anchored, deferred, div, fill,
53 linear_color_stop, linear_gradient, outline, point, px, quad, relative, size, solid_background,
54 transparent_black,
55};
56use itertools::Itertools;
57use language::{IndentGuideSettings, language_settings::ShowWhitespaceSetting};
58use markdown::Markdown;
59use multi_buffer::{
60 Anchor, ExcerptId, ExcerptInfo, ExpandExcerptDirection, ExpandInfo, MultiBufferPoint,
61 MultiBufferRow, RowInfo,
62};
63
64use project::{
65 Entry, ProjectPath,
66 debugger::breakpoint_store::{Breakpoint, BreakpointSessionState},
67 project_settings::ProjectSettings,
68};
69use settings::{
70 GitGutterSetting, GitHunkStyleSetting, IndentGuideBackgroundColoring, IndentGuideColoring,
71 Settings,
72};
73use smallvec::{SmallVec, smallvec};
74use std::{
75 any::TypeId,
76 borrow::Cow,
77 cmp::{self, Ordering},
78 fmt::{self, Write},
79 iter, mem,
80 ops::{Deref, Range},
81 path::{self, Path},
82 rc::Rc,
83 sync::Arc,
84 time::{Duration, Instant},
85};
86use sum_tree::Bias;
87use text::{BufferId, SelectionGoal};
88use theme::{ActiveTheme, Appearance, BufferLineHeight, PlayerColor};
89use ui::utils::ensure_minimum_contrast;
90use ui::{
91 ButtonLike, ContextMenu, Indicator, KeyBinding, POPOVER_Y_PADDING, Tooltip, h_flex, prelude::*,
92 right_click_menu, scrollbars::ShowScrollbar, text_for_keystroke,
93};
94use unicode_segmentation::UnicodeSegmentation;
95use util::post_inc;
96use util::{RangeExt, ResultExt, debug_panic};
97use workspace::{
98 CollaboratorId, ItemSettings, OpenInTerminal, OpenTerminal, RevealInProjectPanel, Workspace,
99 item::{Item, ItemBufferKind},
100 notifications::NotifyTaskExt,
101};
102
103/// Determines what kinds of highlights should be applied to a lines background.
104#[derive(Clone, Copy, Default)]
105struct LineHighlightSpec {
106 selection: bool,
107 breakpoint: bool,
108 _active_stack_frame: bool,
109}
110
111#[derive(Debug)]
112struct SelectionLayout {
113 head: DisplayPoint,
114 cursor_shape: CursorShape,
115 is_newest: bool,
116 is_local: bool,
117 range: Range<DisplayPoint>,
118 active_rows: Range<DisplayRow>,
119 user_name: Option<SharedString>,
120}
121
122struct InlineBlameLayout {
123 element: AnyElement,
124 bounds: Bounds<Pixels>,
125 buffer_id: BufferId,
126 entry: BlameEntry,
127}
128
129impl SelectionLayout {
130 fn new<T: ToPoint + ToDisplayPoint + Clone>(
131 selection: Selection<T>,
132 line_mode: bool,
133 cursor_shape: CursorShape,
134 map: &DisplaySnapshot,
135 is_newest: bool,
136 is_local: bool,
137 user_name: Option<SharedString>,
138 ) -> Self {
139 let point_selection = selection.map(|p| p.to_point(map.buffer_snapshot()));
140 let display_selection = point_selection.map(|p| p.to_display_point(map));
141 let mut range = display_selection.range();
142 let mut head = display_selection.head();
143 let mut active_rows = map.prev_line_boundary(point_selection.start).1.row()
144 ..map.next_line_boundary(point_selection.end).1.row();
145
146 // vim visual line mode
147 if line_mode {
148 let point_range = map.expand_to_line(point_selection.range());
149 range = point_range.start.to_display_point(map)..point_range.end.to_display_point(map);
150 }
151
152 // any vim visual mode (including line mode)
153 if (cursor_shape == CursorShape::Block || cursor_shape == CursorShape::Hollow)
154 && !range.is_empty()
155 && !selection.reversed
156 {
157 if head.column() > 0 {
158 head = map.clip_point(DisplayPoint::new(head.row(), head.column() - 1), Bias::Left)
159 } else if head.row().0 > 0 && head != map.max_point() {
160 head = map.clip_point(
161 DisplayPoint::new(
162 head.row().previous_row(),
163 map.line_len(head.row().previous_row()),
164 ),
165 Bias::Left,
166 );
167 // updating range.end is a no-op unless you're cursor is
168 // on the newline containing a multi-buffer divider
169 // in which case the clip_point may have moved the head up
170 // an additional row.
171 range.end = DisplayPoint::new(head.row().next_row(), 0);
172 active_rows.end = head.row();
173 }
174 }
175
176 Self {
177 head,
178 cursor_shape,
179 is_newest,
180 is_local,
181 range,
182 active_rows,
183 user_name,
184 }
185 }
186}
187
188pub struct EditorElement {
189 editor: Entity<Editor>,
190 style: EditorStyle,
191}
192
193type DisplayRowDelta = u32;
194
195impl EditorElement {
196 pub(crate) const SCROLLBAR_WIDTH: Pixels = px(15.);
197
198 pub fn new(editor: &Entity<Editor>, style: EditorStyle) -> Self {
199 Self {
200 editor: editor.clone(),
201 style,
202 }
203 }
204
205 fn register_actions(&self, window: &mut Window, cx: &mut App) {
206 let editor = &self.editor;
207 editor.update(cx, |editor, cx| {
208 for action in editor.editor_actions.borrow().values() {
209 (action)(editor, window, cx)
210 }
211 });
212
213 crate::rust_analyzer_ext::apply_related_actions(editor, window, cx);
214 crate::clangd_ext::apply_related_actions(editor, window, cx);
215
216 register_action(editor, window, Editor::open_context_menu);
217 register_action(editor, window, Editor::move_left);
218 register_action(editor, window, Editor::move_right);
219 register_action(editor, window, Editor::move_down);
220 register_action(editor, window, Editor::move_down_by_lines);
221 register_action(editor, window, Editor::select_down_by_lines);
222 register_action(editor, window, Editor::move_up);
223 register_action(editor, window, Editor::move_up_by_lines);
224 register_action(editor, window, Editor::select_up_by_lines);
225 register_action(editor, window, Editor::select_page_down);
226 register_action(editor, window, Editor::select_page_up);
227 register_action(editor, window, Editor::cancel);
228 register_action(editor, window, Editor::newline);
229 register_action(editor, window, Editor::newline_above);
230 register_action(editor, window, Editor::newline_below);
231 register_action(editor, window, Editor::backspace);
232 register_action(editor, window, Editor::blame_hover);
233 register_action(editor, window, Editor::delete);
234 register_action(editor, window, Editor::tab);
235 register_action(editor, window, Editor::backtab);
236 register_action(editor, window, Editor::indent);
237 register_action(editor, window, Editor::outdent);
238 register_action(editor, window, Editor::autoindent);
239 register_action(editor, window, Editor::delete_line);
240 register_action(editor, window, Editor::join_lines);
241 register_action(editor, window, Editor::sort_lines_by_length);
242 register_action(editor, window, Editor::sort_lines_case_sensitive);
243 register_action(editor, window, Editor::sort_lines_case_insensitive);
244 register_action(editor, window, Editor::reverse_lines);
245 register_action(editor, window, Editor::shuffle_lines);
246 register_action(editor, window, Editor::convert_indentation_to_spaces);
247 register_action(editor, window, Editor::convert_indentation_to_tabs);
248 register_action(editor, window, Editor::convert_to_upper_case);
249 register_action(editor, window, Editor::convert_to_lower_case);
250 register_action(editor, window, Editor::convert_to_title_case);
251 register_action(editor, window, Editor::convert_to_snake_case);
252 register_action(editor, window, Editor::convert_to_kebab_case);
253 register_action(editor, window, Editor::convert_to_upper_camel_case);
254 register_action(editor, window, Editor::convert_to_lower_camel_case);
255 register_action(editor, window, Editor::convert_to_opposite_case);
256 register_action(editor, window, Editor::convert_to_sentence_case);
257 register_action(editor, window, Editor::toggle_case);
258 register_action(editor, window, Editor::convert_to_rot13);
259 register_action(editor, window, Editor::convert_to_rot47);
260 register_action(editor, window, Editor::delete_to_previous_word_start);
261 register_action(editor, window, Editor::delete_to_previous_subword_start);
262 register_action(editor, window, Editor::delete_to_next_word_end);
263 register_action(editor, window, Editor::delete_to_next_subword_end);
264 register_action(editor, window, Editor::delete_to_beginning_of_line);
265 register_action(editor, window, Editor::delete_to_end_of_line);
266 register_action(editor, window, Editor::cut_to_end_of_line);
267 register_action(editor, window, Editor::duplicate_line_up);
268 register_action(editor, window, Editor::duplicate_line_down);
269 register_action(editor, window, Editor::duplicate_selection);
270 register_action(editor, window, Editor::move_line_up);
271 register_action(editor, window, Editor::move_line_down);
272 register_action(editor, window, Editor::transpose);
273 register_action(editor, window, Editor::rewrap);
274 register_action(editor, window, Editor::cut);
275 register_action(editor, window, Editor::kill_ring_cut);
276 register_action(editor, window, Editor::kill_ring_yank);
277 register_action(editor, window, Editor::copy);
278 register_action(editor, window, Editor::copy_and_trim);
279 register_action(editor, window, Editor::diff_clipboard_with_selection);
280 register_action(editor, window, Editor::paste);
281 register_action(editor, window, Editor::undo);
282 register_action(editor, window, Editor::redo);
283 register_action(editor, window, Editor::move_page_up);
284 register_action(editor, window, Editor::move_page_down);
285 register_action(editor, window, Editor::next_screen);
286 register_action(editor, window, Editor::scroll_cursor_top);
287 register_action(editor, window, Editor::scroll_cursor_center);
288 register_action(editor, window, Editor::scroll_cursor_bottom);
289 register_action(editor, window, Editor::scroll_cursor_center_top_bottom);
290 register_action(editor, window, |editor, _: &LineDown, window, cx| {
291 editor.scroll_screen(&ScrollAmount::Line(1.), window, cx)
292 });
293 register_action(editor, window, |editor, _: &LineUp, window, cx| {
294 editor.scroll_screen(&ScrollAmount::Line(-1.), window, cx)
295 });
296 register_action(editor, window, |editor, _: &HalfPageDown, window, cx| {
297 editor.scroll_screen(&ScrollAmount::Page(0.5), window, cx)
298 });
299 register_action(
300 editor,
301 window,
302 |editor, HandleInput(text): &HandleInput, window, cx| {
303 if text.is_empty() {
304 return;
305 }
306 editor.handle_input(text, window, cx);
307 },
308 );
309 register_action(editor, window, |editor, _: &HalfPageUp, window, cx| {
310 editor.scroll_screen(&ScrollAmount::Page(-0.5), window, cx)
311 });
312 register_action(editor, window, |editor, _: &PageDown, window, cx| {
313 editor.scroll_screen(&ScrollAmount::Page(1.), window, cx)
314 });
315 register_action(editor, window, |editor, _: &PageUp, window, cx| {
316 editor.scroll_screen(&ScrollAmount::Page(-1.), window, cx)
317 });
318 register_action(editor, window, Editor::move_to_previous_word_start);
319 register_action(editor, window, Editor::move_to_previous_subword_start);
320 register_action(editor, window, Editor::move_to_next_word_end);
321 register_action(editor, window, Editor::move_to_next_subword_end);
322 register_action(editor, window, Editor::move_to_beginning_of_line);
323 register_action(editor, window, Editor::move_to_end_of_line);
324 register_action(editor, window, Editor::move_to_start_of_paragraph);
325 register_action(editor, window, Editor::move_to_end_of_paragraph);
326 register_action(editor, window, Editor::move_to_beginning);
327 register_action(editor, window, Editor::move_to_end);
328 register_action(editor, window, Editor::move_to_start_of_excerpt);
329 register_action(editor, window, Editor::move_to_start_of_next_excerpt);
330 register_action(editor, window, Editor::move_to_end_of_excerpt);
331 register_action(editor, window, Editor::move_to_end_of_previous_excerpt);
332 register_action(editor, window, Editor::select_up);
333 register_action(editor, window, Editor::select_down);
334 register_action(editor, window, Editor::select_left);
335 register_action(editor, window, Editor::select_right);
336 register_action(editor, window, Editor::select_to_previous_word_start);
337 register_action(editor, window, Editor::select_to_previous_subword_start);
338 register_action(editor, window, Editor::select_to_next_word_end);
339 register_action(editor, window, Editor::select_to_next_subword_end);
340 register_action(editor, window, Editor::select_to_beginning_of_line);
341 register_action(editor, window, Editor::select_to_end_of_line);
342 register_action(editor, window, Editor::select_to_start_of_paragraph);
343 register_action(editor, window, Editor::select_to_end_of_paragraph);
344 register_action(editor, window, Editor::select_to_start_of_excerpt);
345 register_action(editor, window, Editor::select_to_start_of_next_excerpt);
346 register_action(editor, window, Editor::select_to_end_of_excerpt);
347 register_action(editor, window, Editor::select_to_end_of_previous_excerpt);
348 register_action(editor, window, Editor::select_to_beginning);
349 register_action(editor, window, Editor::select_to_end);
350 register_action(editor, window, Editor::select_all);
351 register_action(editor, window, |editor, action, window, cx| {
352 editor.select_all_matches(action, window, cx).log_err();
353 });
354 register_action(editor, window, Editor::select_line);
355 register_action(editor, window, Editor::split_selection_into_lines);
356 register_action(editor, window, Editor::add_selection_above);
357 register_action(editor, window, Editor::add_selection_below);
358 register_action(editor, window, |editor, action, window, cx| {
359 editor.select_next(action, window, cx).log_err();
360 });
361 register_action(editor, window, |editor, action, window, cx| {
362 editor.select_previous(action, window, cx).log_err();
363 });
364 register_action(editor, window, |editor, action, window, cx| {
365 editor.find_next_match(action, window, cx).log_err();
366 });
367 register_action(editor, window, |editor, action, window, cx| {
368 editor.find_previous_match(action, window, cx).log_err();
369 });
370 register_action(editor, window, Editor::toggle_comments);
371 register_action(editor, window, Editor::select_larger_syntax_node);
372 register_action(editor, window, Editor::select_smaller_syntax_node);
373 register_action(editor, window, Editor::select_next_syntax_node);
374 register_action(editor, window, Editor::select_prev_syntax_node);
375 register_action(editor, window, Editor::unwrap_syntax_node);
376 register_action(editor, window, Editor::select_enclosing_symbol);
377 register_action(editor, window, Editor::move_to_enclosing_bracket);
378 register_action(editor, window, Editor::undo_selection);
379 register_action(editor, window, Editor::redo_selection);
380 if editor.read(cx).buffer_kind(cx) == ItemBufferKind::Multibuffer {
381 register_action(editor, window, Editor::expand_excerpts);
382 register_action(editor, window, Editor::expand_excerpts_up);
383 register_action(editor, window, Editor::expand_excerpts_down);
384 }
385 register_action(editor, window, Editor::go_to_diagnostic);
386 register_action(editor, window, Editor::go_to_prev_diagnostic);
387 register_action(editor, window, Editor::go_to_next_hunk);
388 register_action(editor, window, Editor::go_to_prev_hunk);
389 register_action(editor, window, Editor::go_to_next_document_highlight);
390 register_action(editor, window, Editor::go_to_prev_document_highlight);
391 register_action(editor, window, |editor, action, window, cx| {
392 editor
393 .go_to_definition(action, window, cx)
394 .detach_and_log_err(cx);
395 });
396 register_action(editor, window, |editor, action, window, cx| {
397 editor
398 .go_to_definition_split(action, window, cx)
399 .detach_and_log_err(cx);
400 });
401 register_action(editor, window, |editor, action, window, cx| {
402 editor
403 .go_to_declaration(action, window, cx)
404 .detach_and_log_err(cx);
405 });
406 register_action(editor, window, |editor, action, window, cx| {
407 editor
408 .go_to_declaration_split(action, window, cx)
409 .detach_and_log_err(cx);
410 });
411 register_action(editor, window, |editor, action, window, cx| {
412 editor
413 .go_to_implementation(action, window, cx)
414 .detach_and_log_err(cx);
415 });
416 register_action(editor, window, |editor, action, window, cx| {
417 editor
418 .go_to_implementation_split(action, window, cx)
419 .detach_and_log_err(cx);
420 });
421 register_action(editor, window, |editor, action, window, cx| {
422 editor
423 .go_to_type_definition(action, window, cx)
424 .detach_and_log_err(cx);
425 });
426 register_action(editor, window, |editor, action, window, cx| {
427 editor
428 .go_to_type_definition_split(action, window, cx)
429 .detach_and_log_err(cx);
430 });
431 register_action(editor, window, Editor::open_url);
432 register_action(editor, window, Editor::open_selected_filename);
433 register_action(editor, window, Editor::fold);
434 register_action(editor, window, Editor::fold_at_level);
435 register_action(editor, window, Editor::fold_at_level_1);
436 register_action(editor, window, Editor::fold_at_level_2);
437 register_action(editor, window, Editor::fold_at_level_3);
438 register_action(editor, window, Editor::fold_at_level_4);
439 register_action(editor, window, Editor::fold_at_level_5);
440 register_action(editor, window, Editor::fold_at_level_6);
441 register_action(editor, window, Editor::fold_at_level_7);
442 register_action(editor, window, Editor::fold_at_level_8);
443 register_action(editor, window, Editor::fold_at_level_9);
444 register_action(editor, window, Editor::fold_all);
445 register_action(editor, window, Editor::fold_function_bodies);
446 register_action(editor, window, Editor::fold_recursive);
447 register_action(editor, window, Editor::toggle_fold);
448 register_action(editor, window, Editor::toggle_fold_recursive);
449 register_action(editor, window, Editor::toggle_fold_all);
450 register_action(editor, window, Editor::unfold_lines);
451 register_action(editor, window, Editor::unfold_recursive);
452 register_action(editor, window, Editor::unfold_all);
453 register_action(editor, window, Editor::fold_selected_ranges);
454 register_action(editor, window, Editor::set_mark);
455 register_action(editor, window, Editor::swap_selection_ends);
456 register_action(editor, window, Editor::show_completions);
457 register_action(editor, window, Editor::show_word_completions);
458 register_action(editor, window, Editor::toggle_code_actions);
459 register_action(editor, window, Editor::open_excerpts);
460 register_action(editor, window, Editor::open_excerpts_in_split);
461 register_action(editor, window, Editor::open_proposed_changes_editor);
462 register_action(editor, window, Editor::toggle_soft_wrap);
463 register_action(editor, window, Editor::toggle_tab_bar);
464 register_action(editor, window, Editor::toggle_line_numbers);
465 register_action(editor, window, Editor::toggle_relative_line_numbers);
466 register_action(editor, window, Editor::toggle_indent_guides);
467 register_action(editor, window, Editor::toggle_inlay_hints);
468 register_action(editor, window, Editor::toggle_edit_predictions);
469 if editor.read(cx).diagnostics_enabled() {
470 register_action(editor, window, Editor::toggle_diagnostics);
471 }
472 if editor.read(cx).inline_diagnostics_enabled() {
473 register_action(editor, window, Editor::toggle_inline_diagnostics);
474 }
475 if editor.read(cx).supports_minimap(cx) {
476 register_action(editor, window, Editor::toggle_minimap);
477 }
478 register_action(editor, window, hover_popover::hover);
479 register_action(editor, window, Editor::reveal_in_finder);
480 register_action(editor, window, Editor::copy_path);
481 register_action(editor, window, Editor::copy_relative_path);
482 register_action(editor, window, Editor::copy_file_name);
483 register_action(editor, window, Editor::copy_file_name_without_extension);
484 register_action(editor, window, Editor::copy_highlight_json);
485 register_action(editor, window, Editor::copy_permalink_to_line);
486 register_action(editor, window, Editor::open_permalink_to_line);
487 register_action(editor, window, Editor::copy_file_location);
488 register_action(editor, window, Editor::toggle_git_blame);
489 register_action(editor, window, Editor::toggle_git_blame_inline);
490 register_action(editor, window, Editor::open_git_blame_commit);
491 register_action(editor, window, Editor::toggle_selected_diff_hunks);
492 register_action(editor, window, Editor::toggle_staged_selected_diff_hunks);
493 register_action(editor, window, Editor::stage_and_next);
494 register_action(editor, window, Editor::unstage_and_next);
495 register_action(editor, window, Editor::expand_all_diff_hunks);
496 register_action(editor, window, Editor::go_to_previous_change);
497 register_action(editor, window, Editor::go_to_next_change);
498
499 register_action(editor, window, |editor, action, window, cx| {
500 if let Some(task) = editor.format(action, window, cx) {
501 task.detach_and_notify_err(window, cx);
502 } else {
503 cx.propagate();
504 }
505 });
506 register_action(editor, window, |editor, action, window, cx| {
507 if let Some(task) = editor.format_selections(action, window, cx) {
508 task.detach_and_notify_err(window, cx);
509 } else {
510 cx.propagate();
511 }
512 });
513 register_action(editor, window, |editor, action, window, cx| {
514 if let Some(task) = editor.organize_imports(action, window, cx) {
515 task.detach_and_notify_err(window, cx);
516 } else {
517 cx.propagate();
518 }
519 });
520 register_action(editor, window, Editor::restart_language_server);
521 register_action(editor, window, Editor::stop_language_server);
522 register_action(editor, window, Editor::show_character_palette);
523 register_action(editor, window, |editor, action, window, cx| {
524 if let Some(task) = editor.confirm_completion(action, window, cx) {
525 task.detach_and_notify_err(window, cx);
526 } else {
527 cx.propagate();
528 }
529 });
530 register_action(editor, window, |editor, action, window, cx| {
531 if let Some(task) = editor.confirm_completion_replace(action, window, cx) {
532 task.detach_and_notify_err(window, cx);
533 } else {
534 cx.propagate();
535 }
536 });
537 register_action(editor, window, |editor, action, window, cx| {
538 if let Some(task) = editor.confirm_completion_insert(action, window, cx) {
539 task.detach_and_notify_err(window, cx);
540 } else {
541 cx.propagate();
542 }
543 });
544 register_action(editor, window, |editor, action, window, cx| {
545 if let Some(task) = editor.compose_completion(action, window, cx) {
546 task.detach_and_notify_err(window, cx);
547 } else {
548 cx.propagate();
549 }
550 });
551 register_action(editor, window, |editor, action, window, cx| {
552 if let Some(task) = editor.confirm_code_action(action, window, cx) {
553 task.detach_and_notify_err(window, cx);
554 } else {
555 cx.propagate();
556 }
557 });
558 register_action(editor, window, |editor, action, window, cx| {
559 if let Some(task) = editor.rename(action, window, cx) {
560 task.detach_and_notify_err(window, cx);
561 } else {
562 cx.propagate();
563 }
564 });
565 register_action(editor, window, |editor, action, window, cx| {
566 if let Some(task) = editor.confirm_rename(action, window, cx) {
567 task.detach_and_notify_err(window, cx);
568 } else {
569 cx.propagate();
570 }
571 });
572 register_action(editor, window, |editor, action, window, cx| {
573 if let Some(task) = editor.find_all_references(action, window, cx) {
574 task.detach_and_log_err(cx);
575 } else {
576 cx.propagate();
577 }
578 });
579 register_action(editor, window, Editor::show_signature_help);
580 register_action(editor, window, Editor::signature_help_prev);
581 register_action(editor, window, Editor::signature_help_next);
582 register_action(editor, window, Editor::next_edit_prediction);
583 register_action(editor, window, Editor::previous_edit_prediction);
584 register_action(editor, window, Editor::show_edit_prediction);
585 register_action(editor, window, Editor::context_menu_first);
586 register_action(editor, window, Editor::context_menu_prev);
587 register_action(editor, window, Editor::context_menu_next);
588 register_action(editor, window, Editor::context_menu_last);
589 register_action(editor, window, Editor::display_cursor_names);
590 register_action(editor, window, Editor::unique_lines_case_insensitive);
591 register_action(editor, window, Editor::unique_lines_case_sensitive);
592 register_action(editor, window, Editor::accept_partial_edit_prediction);
593 register_action(editor, window, Editor::accept_edit_prediction);
594 register_action(editor, window, Editor::restore_file);
595 register_action(editor, window, Editor::git_restore);
596 register_action(editor, window, Editor::apply_all_diff_hunks);
597 register_action(editor, window, Editor::apply_selected_diff_hunks);
598 register_action(editor, window, Editor::open_active_item_in_terminal);
599 register_action(editor, window, Editor::reload_file);
600 register_action(editor, window, Editor::spawn_nearest_task);
601 register_action(editor, window, Editor::insert_uuid_v4);
602 register_action(editor, window, Editor::insert_uuid_v7);
603 register_action(editor, window, Editor::open_selections_in_multibuffer);
604 register_action(editor, window, Editor::toggle_breakpoint);
605 register_action(editor, window, Editor::edit_log_breakpoint);
606 register_action(editor, window, Editor::enable_breakpoint);
607 register_action(editor, window, Editor::disable_breakpoint);
608 if editor.read(cx).enable_wrap_selections_in_tag(cx) {
609 register_action(editor, window, Editor::wrap_selections_in_tag);
610 }
611 }
612
613 fn register_key_listeners(&self, window: &mut Window, _: &mut App, layout: &EditorLayout) {
614 let position_map = layout.position_map.clone();
615 window.on_key_event({
616 let editor = self.editor.clone();
617 move |event: &ModifiersChangedEvent, phase, window, cx| {
618 if phase != DispatchPhase::Bubble {
619 return;
620 }
621 editor.update(cx, |editor, cx| {
622 let inlay_hint_settings = inlay_hint_settings(
623 editor.selections.newest_anchor().head(),
624 &editor.buffer.read(cx).snapshot(cx),
625 cx,
626 );
627
628 if let Some(inlay_modifiers) = inlay_hint_settings
629 .toggle_on_modifiers_press
630 .as_ref()
631 .filter(|modifiers| modifiers.modified())
632 {
633 editor.refresh_inlay_hints(
634 InlayHintRefreshReason::ModifiersChanged(
635 inlay_modifiers == &event.modifiers,
636 ),
637 cx,
638 );
639 }
640
641 if editor.hover_state.focused(window, cx) {
642 return;
643 }
644
645 editor.handle_modifiers_changed(event.modifiers, &position_map, window, cx);
646 })
647 }
648 });
649 }
650
651 fn mouse_left_down(
652 editor: &mut Editor,
653 event: &MouseDownEvent,
654 hovered_hunk: Option<Range<Anchor>>,
655 position_map: &PositionMap,
656 line_numbers: &HashMap<MultiBufferRow, LineNumberLayout>,
657 window: &mut Window,
658 cx: &mut Context<Editor>,
659 ) {
660 if window.default_prevented() {
661 return;
662 }
663
664 let text_hitbox = &position_map.text_hitbox;
665 let gutter_hitbox = &position_map.gutter_hitbox;
666 let point_for_position = position_map.point_for_position(event.position);
667 let mut click_count = event.click_count;
668 let mut modifiers = event.modifiers;
669
670 if let Some(hovered_hunk) = hovered_hunk {
671 editor.toggle_single_diff_hunk(hovered_hunk, cx);
672 cx.notify();
673 return;
674 } else if gutter_hitbox.is_hovered(window) {
675 click_count = 3; // Simulate triple-click when clicking the gutter to select lines
676 } else if !text_hitbox.is_hovered(window) {
677 return;
678 }
679
680 if EditorSettings::get_global(cx)
681 .drag_and_drop_selection
682 .enabled
683 && click_count == 1
684 {
685 let newest_anchor = editor.selections.newest_anchor();
686 let snapshot = editor.snapshot(window, cx);
687 let selection = newest_anchor.map(|anchor| anchor.to_display_point(&snapshot));
688 if point_for_position.intersects_selection(&selection) {
689 editor.selection_drag_state = SelectionDragState::ReadyToDrag {
690 selection: newest_anchor.clone(),
691 click_position: event.position,
692 mouse_down_time: Instant::now(),
693 };
694 cx.stop_propagation();
695 return;
696 }
697 }
698
699 let is_singleton = editor.buffer().read(cx).is_singleton();
700
701 if click_count == 2 && !is_singleton {
702 match EditorSettings::get_global(cx).double_click_in_multibuffer {
703 DoubleClickInMultibuffer::Select => {
704 // do nothing special on double click, all selection logic is below
705 }
706 DoubleClickInMultibuffer::Open => {
707 if modifiers.alt {
708 // if double click is made with alt, pretend it's a regular double click without opening and alt,
709 // and run the selection logic.
710 modifiers.alt = false;
711 } else {
712 let scroll_position_row = position_map.scroll_position.y;
713 let display_row = (((event.position - gutter_hitbox.bounds.origin).y
714 / position_map.line_height)
715 as f64
716 + position_map.scroll_position.y)
717 as u32;
718 let multi_buffer_row = position_map
719 .snapshot
720 .display_point_to_point(
721 DisplayPoint::new(DisplayRow(display_row), 0),
722 Bias::Right,
723 )
724 .row;
725 let line_offset_from_top = display_row - scroll_position_row as u32;
726 // if double click is made without alt, open the corresponding excerp
727 editor.open_excerpts_common(
728 Some(JumpData::MultiBufferRow {
729 row: MultiBufferRow(multi_buffer_row),
730 line_offset_from_top,
731 }),
732 false,
733 window,
734 cx,
735 );
736 return;
737 }
738 }
739 }
740 }
741
742 let position = point_for_position.previous_valid;
743 if let Some(mode) = Editor::columnar_selection_mode(&modifiers, cx) {
744 editor.select(
745 SelectPhase::BeginColumnar {
746 position,
747 reset: match mode {
748 ColumnarMode::FromMouse => true,
749 ColumnarMode::FromSelection => false,
750 },
751 mode,
752 goal_column: point_for_position.exact_unclipped.column(),
753 },
754 window,
755 cx,
756 );
757 } else if modifiers.shift && !modifiers.control && !modifiers.alt && !modifiers.secondary()
758 {
759 editor.select(
760 SelectPhase::Extend {
761 position,
762 click_count,
763 },
764 window,
765 cx,
766 );
767 } else {
768 editor.select(
769 SelectPhase::Begin {
770 position,
771 add: Editor::multi_cursor_modifier(true, &modifiers, cx),
772 click_count,
773 },
774 window,
775 cx,
776 );
777 }
778 cx.stop_propagation();
779
780 if !is_singleton {
781 let display_row = (ScrollPixelOffset::from(
782 (event.position - gutter_hitbox.bounds.origin).y / position_map.line_height,
783 ) + position_map.scroll_position.y) as u32;
784 let multi_buffer_row = position_map
785 .snapshot
786 .display_point_to_point(DisplayPoint::new(DisplayRow(display_row), 0), Bias::Right)
787 .row;
788 if line_numbers
789 .get(&MultiBufferRow(multi_buffer_row))
790 .and_then(|line_number| line_number.hitbox.as_ref())
791 .is_some_and(|hitbox| hitbox.contains(&event.position))
792 {
793 let line_offset_from_top = display_row - position_map.scroll_position.y as u32;
794
795 editor.open_excerpts_common(
796 Some(JumpData::MultiBufferRow {
797 row: MultiBufferRow(multi_buffer_row),
798 line_offset_from_top,
799 }),
800 modifiers.alt,
801 window,
802 cx,
803 );
804 cx.stop_propagation();
805 }
806 }
807 }
808
809 fn mouse_right_down(
810 editor: &mut Editor,
811 event: &MouseDownEvent,
812 position_map: &PositionMap,
813 window: &mut Window,
814 cx: &mut Context<Editor>,
815 ) {
816 if position_map.gutter_hitbox.is_hovered(window) {
817 let gutter_right_padding = editor.gutter_dimensions.right_padding;
818 let hitbox = &position_map.gutter_hitbox;
819
820 if event.position.x <= hitbox.bounds.right() - gutter_right_padding {
821 let point_for_position = position_map.point_for_position(event.position);
822 editor.set_breakpoint_context_menu(
823 point_for_position.previous_valid.row(),
824 None,
825 event.position,
826 window,
827 cx,
828 );
829 }
830 return;
831 }
832
833 if !position_map.text_hitbox.is_hovered(window) {
834 return;
835 }
836
837 let point_for_position = position_map.point_for_position(event.position);
838 mouse_context_menu::deploy_context_menu(
839 editor,
840 Some(event.position),
841 point_for_position.previous_valid,
842 window,
843 cx,
844 );
845 cx.stop_propagation();
846 }
847
848 fn mouse_middle_down(
849 editor: &mut Editor,
850 event: &MouseDownEvent,
851 position_map: &PositionMap,
852 window: &mut Window,
853 cx: &mut Context<Editor>,
854 ) {
855 if !position_map.text_hitbox.is_hovered(window) || window.default_prevented() {
856 return;
857 }
858
859 let point_for_position = position_map.point_for_position(event.position);
860 let position = point_for_position.previous_valid;
861
862 editor.select(
863 SelectPhase::BeginColumnar {
864 position,
865 reset: true,
866 mode: ColumnarMode::FromMouse,
867 goal_column: point_for_position.exact_unclipped.column(),
868 },
869 window,
870 cx,
871 );
872 }
873
874 fn mouse_up(
875 editor: &mut Editor,
876 event: &MouseUpEvent,
877 position_map: &PositionMap,
878 window: &mut Window,
879 cx: &mut Context<Editor>,
880 ) {
881 let text_hitbox = &position_map.text_hitbox;
882 let end_selection = editor.has_pending_selection();
883 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
884 let point_for_position = position_map.point_for_position(event.position);
885
886 match editor.selection_drag_state {
887 SelectionDragState::ReadyToDrag {
888 selection: _,
889 ref click_position,
890 mouse_down_time: _,
891 } => {
892 if event.position == *click_position {
893 editor.select(
894 SelectPhase::Begin {
895 position: point_for_position.previous_valid,
896 add: false,
897 click_count: 1, // ready to drag state only occurs on click count 1
898 },
899 window,
900 cx,
901 );
902 editor.selection_drag_state = SelectionDragState::None;
903 cx.stop_propagation();
904 return;
905 } else {
906 debug_panic!("drag state can never be in ready state after drag")
907 }
908 }
909 SelectionDragState::Dragging { ref selection, .. } => {
910 let snapshot = editor.snapshot(window, cx);
911 let selection_display = selection.map(|anchor| anchor.to_display_point(&snapshot));
912 if !point_for_position.intersects_selection(&selection_display)
913 && text_hitbox.is_hovered(window)
914 {
915 let is_cut = !(cfg!(target_os = "macos") && event.modifiers.alt
916 || cfg!(not(target_os = "macos")) && event.modifiers.control);
917 editor.move_selection_on_drop(
918 &selection.clone(),
919 point_for_position.previous_valid,
920 is_cut,
921 window,
922 cx,
923 );
924 }
925 editor.selection_drag_state = SelectionDragState::None;
926 cx.stop_propagation();
927 cx.notify();
928 return;
929 }
930 _ => {}
931 }
932
933 if end_selection {
934 editor.select(SelectPhase::End, window, cx);
935 }
936
937 if end_selection && pending_nonempty_selections {
938 cx.stop_propagation();
939 } else if cfg!(any(target_os = "linux", target_os = "freebsd"))
940 && event.button == MouseButton::Middle
941 {
942 #[allow(
943 clippy::collapsible_if,
944 clippy::needless_return,
945 reason = "The cfg-block below makes this a false positive"
946 )]
947 if !text_hitbox.is_hovered(window) || editor.read_only(cx) {
948 return;
949 }
950
951 #[cfg(any(target_os = "linux", target_os = "freebsd"))]
952 if EditorSettings::get_global(cx).middle_click_paste {
953 if let Some(text) = cx.read_from_primary().and_then(|item| item.text()) {
954 let point_for_position = position_map.point_for_position(event.position);
955 let position = point_for_position.previous_valid;
956
957 editor.select(
958 SelectPhase::Begin {
959 position,
960 add: false,
961 click_count: 1,
962 },
963 window,
964 cx,
965 );
966 editor.insert(&text, window, cx);
967 }
968 cx.stop_propagation()
969 }
970 }
971 }
972
973 fn click(
974 editor: &mut Editor,
975 event: &ClickEvent,
976 position_map: &PositionMap,
977 window: &mut Window,
978 cx: &mut Context<Editor>,
979 ) {
980 let text_hitbox = &position_map.text_hitbox;
981 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
982
983 let hovered_link_modifier = Editor::multi_cursor_modifier(false, &event.modifiers(), cx);
984
985 if let Some(mouse_position) = event.mouse_position()
986 && !pending_nonempty_selections
987 && hovered_link_modifier
988 && text_hitbox.is_hovered(window)
989 {
990 let point = position_map.point_for_position(mouse_position);
991 editor.handle_click_hovered_link(point, event.modifiers(), window, cx);
992 editor.selection_drag_state = SelectionDragState::None;
993
994 cx.stop_propagation();
995 }
996 }
997
998 fn mouse_dragged(
999 editor: &mut Editor,
1000 event: &MouseMoveEvent,
1001 position_map: &PositionMap,
1002 window: &mut Window,
1003 cx: &mut Context<Editor>,
1004 ) {
1005 if !editor.has_pending_selection()
1006 && matches!(editor.selection_drag_state, SelectionDragState::None)
1007 {
1008 return;
1009 }
1010
1011 let point_for_position = position_map.point_for_position(event.position);
1012 let text_hitbox = &position_map.text_hitbox;
1013
1014 let scroll_delta = {
1015 let text_bounds = text_hitbox.bounds;
1016 let mut scroll_delta = gpui::Point::<f32>::default();
1017 let vertical_margin = position_map.line_height.min(text_bounds.size.height / 3.0);
1018 let top = text_bounds.origin.y + vertical_margin;
1019 let bottom = text_bounds.bottom_left().y - vertical_margin;
1020 if event.position.y < top {
1021 scroll_delta.y = -scale_vertical_mouse_autoscroll_delta(top - event.position.y);
1022 }
1023 if event.position.y > bottom {
1024 scroll_delta.y = scale_vertical_mouse_autoscroll_delta(event.position.y - bottom);
1025 }
1026
1027 // We need horizontal width of text
1028 let style = editor.style.clone().unwrap_or_default();
1029 let font_id = window.text_system().resolve_font(&style.text.font());
1030 let font_size = style.text.font_size.to_pixels(window.rem_size());
1031 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
1032
1033 let scroll_margin_x = EditorSettings::get_global(cx).horizontal_scroll_margin;
1034
1035 let scroll_space: Pixels = scroll_margin_x * em_width;
1036
1037 let left = text_bounds.origin.x + scroll_space;
1038 let right = text_bounds.top_right().x - scroll_space;
1039
1040 if event.position.x < left {
1041 scroll_delta.x = -scale_horizontal_mouse_autoscroll_delta(left - event.position.x);
1042 }
1043 if event.position.x > right {
1044 scroll_delta.x = scale_horizontal_mouse_autoscroll_delta(event.position.x - right);
1045 }
1046 scroll_delta
1047 };
1048
1049 if !editor.has_pending_selection() {
1050 let drop_anchor = position_map
1051 .snapshot
1052 .display_point_to_anchor(point_for_position.previous_valid, Bias::Left);
1053 match editor.selection_drag_state {
1054 SelectionDragState::Dragging {
1055 ref mut drop_cursor,
1056 ref mut hide_drop_cursor,
1057 ..
1058 } => {
1059 drop_cursor.start = drop_anchor;
1060 drop_cursor.end = drop_anchor;
1061 *hide_drop_cursor = !text_hitbox.is_hovered(window);
1062 editor.apply_scroll_delta(scroll_delta, window, cx);
1063 cx.notify();
1064 }
1065 SelectionDragState::ReadyToDrag {
1066 ref selection,
1067 ref click_position,
1068 ref mouse_down_time,
1069 } => {
1070 let drag_and_drop_delay = Duration::from_millis(
1071 EditorSettings::get_global(cx).drag_and_drop_selection.delay,
1072 );
1073 if mouse_down_time.elapsed() >= drag_and_drop_delay {
1074 let drop_cursor = Selection {
1075 id: post_inc(&mut editor.selections.next_selection_id()),
1076 start: drop_anchor,
1077 end: drop_anchor,
1078 reversed: false,
1079 goal: SelectionGoal::None,
1080 };
1081 editor.selection_drag_state = SelectionDragState::Dragging {
1082 selection: selection.clone(),
1083 drop_cursor,
1084 hide_drop_cursor: false,
1085 };
1086 editor.apply_scroll_delta(scroll_delta, window, cx);
1087 cx.notify();
1088 } else {
1089 let click_point = position_map.point_for_position(*click_position);
1090 editor.selection_drag_state = SelectionDragState::None;
1091 editor.select(
1092 SelectPhase::Begin {
1093 position: click_point.previous_valid,
1094 add: false,
1095 click_count: 1,
1096 },
1097 window,
1098 cx,
1099 );
1100 editor.select(
1101 SelectPhase::Update {
1102 position: point_for_position.previous_valid,
1103 goal_column: point_for_position.exact_unclipped.column(),
1104 scroll_delta,
1105 },
1106 window,
1107 cx,
1108 );
1109 }
1110 }
1111 _ => {}
1112 }
1113 } else {
1114 editor.select(
1115 SelectPhase::Update {
1116 position: point_for_position.previous_valid,
1117 goal_column: point_for_position.exact_unclipped.column(),
1118 scroll_delta,
1119 },
1120 window,
1121 cx,
1122 );
1123 }
1124 }
1125
1126 fn mouse_moved(
1127 editor: &mut Editor,
1128 event: &MouseMoveEvent,
1129 position_map: &PositionMap,
1130 window: &mut Window,
1131 cx: &mut Context<Editor>,
1132 ) {
1133 let text_hitbox = &position_map.text_hitbox;
1134 let gutter_hitbox = &position_map.gutter_hitbox;
1135 let modifiers = event.modifiers;
1136 let text_hovered = text_hitbox.is_hovered(window);
1137 let gutter_hovered = gutter_hitbox.is_hovered(window);
1138 editor.set_gutter_hovered(gutter_hovered, cx);
1139 editor.show_mouse_cursor(cx);
1140
1141 let point_for_position = position_map.point_for_position(event.position);
1142 let valid_point = point_for_position.previous_valid;
1143
1144 let hovered_diff_control = position_map
1145 .diff_hunk_control_bounds
1146 .iter()
1147 .find(|(_, bounds)| bounds.contains(&event.position))
1148 .map(|(row, _)| *row);
1149
1150 let hovered_diff_hunk_row = if let Some(control_row) = hovered_diff_control {
1151 Some(control_row)
1152 } else if text_hovered {
1153 let current_row = valid_point.row();
1154 position_map.display_hunks.iter().find_map(|(hunk, _)| {
1155 if let DisplayDiffHunk::Unfolded {
1156 display_row_range, ..
1157 } = hunk
1158 {
1159 if display_row_range.contains(¤t_row) {
1160 Some(display_row_range.start)
1161 } else {
1162 None
1163 }
1164 } else {
1165 None
1166 }
1167 })
1168 } else {
1169 None
1170 };
1171
1172 if hovered_diff_hunk_row != editor.hovered_diff_hunk_row {
1173 editor.hovered_diff_hunk_row = hovered_diff_hunk_row;
1174 cx.notify();
1175 }
1176
1177 if let Some((bounds, buffer_id, blame_entry)) = &position_map.inline_blame_bounds {
1178 let mouse_over_inline_blame = bounds.contains(&event.position);
1179 let mouse_over_popover = editor
1180 .inline_blame_popover
1181 .as_ref()
1182 .and_then(|state| state.popover_bounds)
1183 .is_some_and(|bounds| bounds.contains(&event.position));
1184 let keyboard_grace = editor
1185 .inline_blame_popover
1186 .as_ref()
1187 .is_some_and(|state| state.keyboard_grace);
1188
1189 if mouse_over_inline_blame || mouse_over_popover {
1190 editor.show_blame_popover(*buffer_id, blame_entry, event.position, false, cx);
1191 } else if !keyboard_grace {
1192 editor.hide_blame_popover(cx);
1193 }
1194 } else {
1195 editor.hide_blame_popover(cx);
1196 }
1197
1198 let breakpoint_indicator = if gutter_hovered {
1199 let buffer_anchor = position_map
1200 .snapshot
1201 .display_point_to_anchor(valid_point, Bias::Left);
1202
1203 if let Some((buffer_snapshot, file)) = position_map
1204 .snapshot
1205 .buffer_snapshot()
1206 .buffer_for_excerpt(buffer_anchor.excerpt_id)
1207 .and_then(|buffer| buffer.file().map(|file| (buffer, file)))
1208 {
1209 let as_point = text::ToPoint::to_point(&buffer_anchor.text_anchor, buffer_snapshot);
1210
1211 let is_visible = editor
1212 .gutter_breakpoint_indicator
1213 .0
1214 .is_some_and(|indicator| indicator.is_active);
1215
1216 let has_existing_breakpoint =
1217 editor.breakpoint_store.as_ref().is_some_and(|store| {
1218 let Some(project) = &editor.project else {
1219 return false;
1220 };
1221 let Some(abs_path) = project.read(cx).absolute_path(
1222 &ProjectPath {
1223 path: file.path().clone(),
1224 worktree_id: file.worktree_id(cx),
1225 },
1226 cx,
1227 ) else {
1228 return false;
1229 };
1230 store
1231 .read(cx)
1232 .breakpoint_at_row(&abs_path, as_point.row, cx)
1233 .is_some()
1234 });
1235
1236 if !is_visible {
1237 editor.gutter_breakpoint_indicator.1.get_or_insert_with(|| {
1238 cx.spawn(async move |this, cx| {
1239 cx.background_executor()
1240 .timer(Duration::from_millis(200))
1241 .await;
1242
1243 this.update(cx, |this, cx| {
1244 if let Some(indicator) = this.gutter_breakpoint_indicator.0.as_mut()
1245 {
1246 indicator.is_active = true;
1247 cx.notify();
1248 }
1249 })
1250 .ok();
1251 })
1252 });
1253 }
1254
1255 Some(PhantomBreakpointIndicator {
1256 display_row: valid_point.row(),
1257 is_active: is_visible,
1258 collides_with_existing_breakpoint: has_existing_breakpoint,
1259 })
1260 } else {
1261 editor.gutter_breakpoint_indicator.1 = None;
1262 None
1263 }
1264 } else {
1265 editor.gutter_breakpoint_indicator.1 = None;
1266 None
1267 };
1268
1269 if &breakpoint_indicator != &editor.gutter_breakpoint_indicator.0 {
1270 editor.gutter_breakpoint_indicator.0 = breakpoint_indicator;
1271 cx.notify();
1272 }
1273
1274 // Don't trigger hover popover if mouse is hovering over context menu
1275 if text_hovered {
1276 editor.update_hovered_link(
1277 point_for_position,
1278 &position_map.snapshot,
1279 modifiers,
1280 window,
1281 cx,
1282 );
1283
1284 if let Some(point) = point_for_position.as_valid() {
1285 let anchor = position_map
1286 .snapshot
1287 .buffer_snapshot()
1288 .anchor_before(point.to_offset(&position_map.snapshot, Bias::Left));
1289 hover_at(editor, Some(anchor), window, cx);
1290 Self::update_visible_cursor(editor, point, position_map, window, cx);
1291 } else {
1292 hover_at(editor, None, window, cx);
1293 }
1294 } else {
1295 editor.hide_hovered_link(cx);
1296 hover_at(editor, None, window, cx);
1297 }
1298 }
1299
1300 fn update_visible_cursor(
1301 editor: &mut Editor,
1302 point: DisplayPoint,
1303 position_map: &PositionMap,
1304 window: &mut Window,
1305 cx: &mut Context<Editor>,
1306 ) {
1307 let snapshot = &position_map.snapshot;
1308 let Some(hub) = editor.collaboration_hub() else {
1309 return;
1310 };
1311 let start = snapshot.display_snapshot.clip_point(
1312 DisplayPoint::new(point.row(), point.column().saturating_sub(1)),
1313 Bias::Left,
1314 );
1315 let end = snapshot.display_snapshot.clip_point(
1316 DisplayPoint::new(
1317 point.row(),
1318 (point.column() + 1).min(snapshot.line_len(point.row())),
1319 ),
1320 Bias::Right,
1321 );
1322
1323 let range = snapshot
1324 .buffer_snapshot()
1325 .anchor_before(start.to_point(&snapshot.display_snapshot))
1326 ..snapshot
1327 .buffer_snapshot()
1328 .anchor_after(end.to_point(&snapshot.display_snapshot));
1329
1330 let Some(selection) = snapshot.remote_selections_in_range(&range, hub, cx).next() else {
1331 return;
1332 };
1333 let key = crate::HoveredCursor {
1334 replica_id: selection.replica_id,
1335 selection_id: selection.selection.id,
1336 };
1337 editor.hovered_cursors.insert(
1338 key.clone(),
1339 cx.spawn_in(window, async move |editor, cx| {
1340 cx.background_executor().timer(CURSORS_VISIBLE_FOR).await;
1341 editor
1342 .update(cx, |editor, cx| {
1343 editor.hovered_cursors.remove(&key);
1344 cx.notify();
1345 })
1346 .ok();
1347 }),
1348 );
1349 cx.notify()
1350 }
1351
1352 fn layout_selections(
1353 &self,
1354 start_anchor: Anchor,
1355 end_anchor: Anchor,
1356 local_selections: &[Selection<Point>],
1357 snapshot: &EditorSnapshot,
1358 start_row: DisplayRow,
1359 end_row: DisplayRow,
1360 window: &mut Window,
1361 cx: &mut App,
1362 ) -> (
1363 Vec<(PlayerColor, Vec<SelectionLayout>)>,
1364 BTreeMap<DisplayRow, LineHighlightSpec>,
1365 Option<DisplayPoint>,
1366 ) {
1367 let mut selections: Vec<(PlayerColor, Vec<SelectionLayout>)> = Vec::new();
1368 let mut active_rows = BTreeMap::new();
1369 let mut newest_selection_head = None;
1370
1371 let Some(editor_with_selections) = self.editor_with_selections(cx) else {
1372 return (selections, active_rows, newest_selection_head);
1373 };
1374
1375 editor_with_selections.update(cx, |editor, cx| {
1376 if editor.show_local_selections {
1377 let mut layouts = Vec::new();
1378 let newest = editor.selections.newest(cx);
1379 for selection in local_selections.iter().cloned() {
1380 let is_empty = selection.start == selection.end;
1381 let is_newest = selection == newest;
1382
1383 let layout = SelectionLayout::new(
1384 selection,
1385 editor.selections.line_mode(),
1386 editor.cursor_shape,
1387 &snapshot.display_snapshot,
1388 is_newest,
1389 editor.leader_id.is_none(),
1390 None,
1391 );
1392 if is_newest {
1393 newest_selection_head = Some(layout.head);
1394 }
1395
1396 for row in cmp::max(layout.active_rows.start.0, start_row.0)
1397 ..=cmp::min(layout.active_rows.end.0, end_row.0)
1398 {
1399 let contains_non_empty_selection = active_rows
1400 .entry(DisplayRow(row))
1401 .or_insert_with(LineHighlightSpec::default);
1402 contains_non_empty_selection.selection |= !is_empty;
1403 }
1404 layouts.push(layout);
1405 }
1406
1407 let player = editor.current_user_player_color(cx);
1408 selections.push((player, layouts));
1409
1410 if let SelectionDragState::Dragging {
1411 ref selection,
1412 ref drop_cursor,
1413 ref hide_drop_cursor,
1414 } = editor.selection_drag_state
1415 && !hide_drop_cursor
1416 && (drop_cursor
1417 .start
1418 .cmp(&selection.start, &snapshot.buffer_snapshot())
1419 .eq(&Ordering::Less)
1420 || drop_cursor
1421 .end
1422 .cmp(&selection.end, &snapshot.buffer_snapshot())
1423 .eq(&Ordering::Greater))
1424 {
1425 let drag_cursor_layout = SelectionLayout::new(
1426 drop_cursor.clone(),
1427 false,
1428 CursorShape::Bar,
1429 &snapshot.display_snapshot,
1430 false,
1431 false,
1432 None,
1433 );
1434 let absent_color = cx.theme().players().absent();
1435 selections.push((absent_color, vec![drag_cursor_layout]));
1436 }
1437 }
1438
1439 if let Some(collaboration_hub) = &editor.collaboration_hub {
1440 // When following someone, render the local selections in their color.
1441 if let Some(leader_id) = editor.leader_id {
1442 match leader_id {
1443 CollaboratorId::PeerId(peer_id) => {
1444 if let Some(collaborator) =
1445 collaboration_hub.collaborators(cx).get(&peer_id)
1446 && let Some(participant_index) = collaboration_hub
1447 .user_participant_indices(cx)
1448 .get(&collaborator.user_id)
1449 && let Some((local_selection_style, _)) = selections.first_mut()
1450 {
1451 *local_selection_style = cx
1452 .theme()
1453 .players()
1454 .color_for_participant(participant_index.0);
1455 }
1456 }
1457 CollaboratorId::Agent => {
1458 if let Some((local_selection_style, _)) = selections.first_mut() {
1459 *local_selection_style = cx.theme().players().agent();
1460 }
1461 }
1462 }
1463 }
1464
1465 let mut remote_selections = HashMap::default();
1466 for selection in snapshot.remote_selections_in_range(
1467 &(start_anchor..end_anchor),
1468 collaboration_hub.as_ref(),
1469 cx,
1470 ) {
1471 // Don't re-render the leader's selections, since the local selections
1472 // match theirs.
1473 if Some(selection.collaborator_id) == editor.leader_id {
1474 continue;
1475 }
1476 let key = HoveredCursor {
1477 replica_id: selection.replica_id,
1478 selection_id: selection.selection.id,
1479 };
1480
1481 let is_shown =
1482 editor.show_cursor_names || editor.hovered_cursors.contains_key(&key);
1483
1484 remote_selections
1485 .entry(selection.replica_id)
1486 .or_insert((selection.color, Vec::new()))
1487 .1
1488 .push(SelectionLayout::new(
1489 selection.selection,
1490 selection.line_mode,
1491 selection.cursor_shape,
1492 &snapshot.display_snapshot,
1493 false,
1494 false,
1495 if is_shown { selection.user_name } else { None },
1496 ));
1497 }
1498
1499 selections.extend(remote_selections.into_values());
1500 } else if !editor.is_focused(window) && editor.show_cursor_when_unfocused {
1501 let layouts = snapshot
1502 .buffer_snapshot()
1503 .selections_in_range(&(start_anchor..end_anchor), true)
1504 .map(move |(_, line_mode, cursor_shape, selection)| {
1505 SelectionLayout::new(
1506 selection,
1507 line_mode,
1508 cursor_shape,
1509 &snapshot.display_snapshot,
1510 false,
1511 false,
1512 None,
1513 )
1514 })
1515 .collect::<Vec<_>>();
1516 let player = editor.current_user_player_color(cx);
1517 selections.push((player, layouts));
1518 }
1519 });
1520
1521 #[cfg(debug_assertions)]
1522 Self::layout_debug_ranges(
1523 &mut selections,
1524 start_anchor..end_anchor,
1525 &snapshot.display_snapshot,
1526 cx,
1527 );
1528
1529 (selections, active_rows, newest_selection_head)
1530 }
1531
1532 fn collect_cursors(
1533 &self,
1534 snapshot: &EditorSnapshot,
1535 cx: &mut App,
1536 ) -> Vec<(DisplayPoint, Hsla)> {
1537 let editor = self.editor.read(cx);
1538 let mut cursors = Vec::new();
1539 let mut skip_local = false;
1540 let mut add_cursor = |anchor: Anchor, color| {
1541 cursors.push((anchor.to_display_point(&snapshot.display_snapshot), color));
1542 };
1543 // Remote cursors
1544 if let Some(collaboration_hub) = &editor.collaboration_hub {
1545 for remote_selection in snapshot.remote_selections_in_range(
1546 &(Anchor::min()..Anchor::max()),
1547 collaboration_hub.deref(),
1548 cx,
1549 ) {
1550 add_cursor(
1551 remote_selection.selection.head(),
1552 remote_selection.color.cursor,
1553 );
1554 if Some(remote_selection.collaborator_id) == editor.leader_id {
1555 skip_local = true;
1556 }
1557 }
1558 }
1559 // Local cursors
1560 if !skip_local {
1561 let color = cx.theme().players().local().cursor;
1562 editor
1563 .selections
1564 .disjoint_anchors()
1565 .iter()
1566 .for_each(|selection| {
1567 add_cursor(selection.head(), color);
1568 });
1569 if let Some(ref selection) = editor.selections.pending_anchor() {
1570 add_cursor(selection.head(), color);
1571 }
1572 }
1573 cursors
1574 }
1575
1576 fn layout_visible_cursors(
1577 &self,
1578 snapshot: &EditorSnapshot,
1579 selections: &[(PlayerColor, Vec<SelectionLayout>)],
1580 row_block_types: &HashMap<DisplayRow, bool>,
1581 visible_display_row_range: Range<DisplayRow>,
1582 line_layouts: &[LineWithInvisibles],
1583 text_hitbox: &Hitbox,
1584 content_origin: gpui::Point<Pixels>,
1585 scroll_position: gpui::Point<ScrollOffset>,
1586 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
1587 line_height: Pixels,
1588 em_width: Pixels,
1589 em_advance: Pixels,
1590 autoscroll_containing_element: bool,
1591 window: &mut Window,
1592 cx: &mut App,
1593 ) -> Vec<CursorLayout> {
1594 let mut autoscroll_bounds = None;
1595 let cursor_layouts = self.editor.update(cx, |editor, cx| {
1596 let mut cursors = Vec::new();
1597
1598 let show_local_cursors = editor.show_local_cursors(window, cx);
1599
1600 for (player_color, selections) in selections {
1601 for selection in selections {
1602 let cursor_position = selection.head;
1603
1604 let in_range = visible_display_row_range.contains(&cursor_position.row());
1605 if (selection.is_local && !show_local_cursors)
1606 || !in_range
1607 || row_block_types.get(&cursor_position.row()) == Some(&true)
1608 {
1609 continue;
1610 }
1611
1612 let cursor_row_layout = &line_layouts
1613 [cursor_position.row().minus(visible_display_row_range.start) as usize];
1614 let cursor_column = cursor_position.column() as usize;
1615
1616 let cursor_character_x = cursor_row_layout.x_for_index(cursor_column);
1617 let mut block_width =
1618 cursor_row_layout.x_for_index(cursor_column + 1) - cursor_character_x;
1619 if block_width == Pixels::ZERO {
1620 block_width = em_advance;
1621 }
1622 let block_text = if let CursorShape::Block = selection.cursor_shape {
1623 snapshot
1624 .grapheme_at(cursor_position)
1625 .or_else(|| {
1626 if snapshot.is_empty() {
1627 snapshot.placeholder_text().and_then(|s| {
1628 s.graphemes(true).next().map(|s| s.to_string().into())
1629 })
1630 } else {
1631 None
1632 }
1633 })
1634 .map(|text| {
1635 let len = text.len();
1636
1637 let mut font = cursor_row_layout
1638 .font_id_for_index(cursor_column)
1639 .and_then(|cursor_font_id| {
1640 window.text_system().get_font_for_id(cursor_font_id)
1641 })
1642 .unwrap_or(self.style.text.font());
1643 font.features = self.style.text.font_features.clone();
1644
1645 // Invert the text color for the block cursor. Ensure that the text
1646 // color is opaque enough to be visible against the background color.
1647 //
1648 // 0.75 is an arbitrary threshold to determine if the background color is
1649 // opaque enough to use as a text color.
1650 //
1651 // TODO: In the future we should ensure themes have a `text_inverse` color.
1652 let color = if cx.theme().colors().editor_background.a < 0.75 {
1653 match cx.theme().appearance {
1654 Appearance::Dark => Hsla::black(),
1655 Appearance::Light => Hsla::white(),
1656 }
1657 } else {
1658 cx.theme().colors().editor_background
1659 };
1660
1661 window.text_system().shape_line(
1662 text,
1663 cursor_row_layout.font_size,
1664 &[TextRun {
1665 len,
1666 font,
1667 color,
1668 background_color: None,
1669 strikethrough: None,
1670 underline: None,
1671 }],
1672 None,
1673 )
1674 })
1675 } else {
1676 None
1677 };
1678
1679 let x = cursor_character_x - scroll_pixel_position.x.into();
1680 let y = ((cursor_position.row().as_f64() - scroll_position.y)
1681 * ScrollPixelOffset::from(line_height))
1682 .into();
1683 if selection.is_newest {
1684 editor.pixel_position_of_newest_cursor = Some(point(
1685 text_hitbox.origin.x + x + block_width / 2.,
1686 text_hitbox.origin.y + y + line_height / 2.,
1687 ));
1688
1689 if autoscroll_containing_element {
1690 let top = text_hitbox.origin.y
1691 + ((cursor_position.row().as_f64() - scroll_position.y - 3.)
1692 .max(0.)
1693 * ScrollPixelOffset::from(line_height))
1694 .into();
1695 let left = text_hitbox.origin.x
1696 + ((cursor_position.column() as ScrollOffset
1697 - scroll_position.x
1698 - 3.)
1699 .max(0.)
1700 * ScrollPixelOffset::from(em_width))
1701 .into();
1702
1703 let bottom = text_hitbox.origin.y
1704 + ((cursor_position.row().as_f64() - scroll_position.y + 4.)
1705 * ScrollPixelOffset::from(line_height))
1706 .into();
1707 let right = text_hitbox.origin.x
1708 + ((cursor_position.column() as ScrollOffset - scroll_position.x
1709 + 4.)
1710 * ScrollPixelOffset::from(em_width))
1711 .into();
1712
1713 autoscroll_bounds =
1714 Some(Bounds::from_corners(point(left, top), point(right, bottom)))
1715 }
1716 }
1717
1718 let mut cursor = CursorLayout {
1719 color: player_color.cursor,
1720 block_width,
1721 origin: point(x, y),
1722 line_height,
1723 shape: selection.cursor_shape,
1724 block_text,
1725 cursor_name: None,
1726 };
1727 let cursor_name = selection.user_name.clone().map(|name| CursorName {
1728 string: name,
1729 color: self.style.background,
1730 is_top_row: cursor_position.row().0 == 0,
1731 });
1732 cursor.layout(content_origin, cursor_name, window, cx);
1733 cursors.push(cursor);
1734 }
1735 }
1736
1737 cursors
1738 });
1739
1740 if let Some(bounds) = autoscroll_bounds {
1741 window.request_autoscroll(bounds);
1742 }
1743
1744 cursor_layouts
1745 }
1746
1747 fn layout_scrollbars(
1748 &self,
1749 snapshot: &EditorSnapshot,
1750 scrollbar_layout_information: &ScrollbarLayoutInformation,
1751 content_offset: gpui::Point<Pixels>,
1752 scroll_position: gpui::Point<ScrollOffset>,
1753 non_visible_cursors: bool,
1754 right_margin: Pixels,
1755 editor_width: Pixels,
1756 window: &mut Window,
1757 cx: &mut App,
1758 ) -> Option<EditorScrollbars> {
1759 let show_scrollbars = self.editor.read(cx).show_scrollbars;
1760 if (!show_scrollbars.horizontal && !show_scrollbars.vertical)
1761 || self.style.scrollbar_width.is_zero()
1762 {
1763 return None;
1764 }
1765
1766 // If a drag took place after we started dragging the scrollbar,
1767 // cancel the scrollbar drag.
1768 if cx.has_active_drag() {
1769 self.editor.update(cx, |editor, cx| {
1770 editor.scroll_manager.reset_scrollbar_state(cx)
1771 });
1772 }
1773
1774 let editor_settings = EditorSettings::get_global(cx);
1775 let scrollbar_settings = editor_settings.scrollbar;
1776 let show_scrollbars = match scrollbar_settings.show {
1777 ShowScrollbar::Auto => {
1778 let editor = self.editor.read(cx);
1779 let is_singleton = editor.buffer_kind(cx) == ItemBufferKind::Singleton;
1780 // Git
1781 (is_singleton && scrollbar_settings.git_diff && snapshot.buffer_snapshot().has_diff_hunks())
1782 ||
1783 // Buffer Search Results
1784 (is_singleton && scrollbar_settings.search_results && editor.has_background_highlights::<BufferSearchHighlights>())
1785 ||
1786 // Selected Text Occurrences
1787 (is_singleton && scrollbar_settings.selected_text && editor.has_background_highlights::<SelectedTextHighlight>())
1788 ||
1789 // Selected Symbol Occurrences
1790 (is_singleton && scrollbar_settings.selected_symbol && (editor.has_background_highlights::<DocumentHighlightRead>() || editor.has_background_highlights::<DocumentHighlightWrite>()))
1791 ||
1792 // Diagnostics
1793 (is_singleton && scrollbar_settings.diagnostics != ScrollbarDiagnostics::None && snapshot.buffer_snapshot().has_diagnostics())
1794 ||
1795 // Cursors out of sight
1796 non_visible_cursors
1797 ||
1798 // Scrollmanager
1799 editor.scroll_manager.scrollbars_visible()
1800 }
1801 ShowScrollbar::System => self.editor.read(cx).scroll_manager.scrollbars_visible(),
1802 ShowScrollbar::Always => true,
1803 ShowScrollbar::Never => return None,
1804 };
1805
1806 // The horizontal scrollbar is usually slightly offset to align nicely with
1807 // indent guides. However, this offset is not needed if indent guides are
1808 // disabled for the current editor.
1809 let content_offset = self
1810 .editor
1811 .read(cx)
1812 .show_indent_guides
1813 .is_none_or(|should_show| should_show)
1814 .then_some(content_offset)
1815 .unwrap_or_default();
1816
1817 Some(EditorScrollbars::from_scrollbar_axes(
1818 ScrollbarAxes {
1819 horizontal: scrollbar_settings.axes.horizontal
1820 && self.editor.read(cx).show_scrollbars.horizontal,
1821 vertical: scrollbar_settings.axes.vertical
1822 && self.editor.read(cx).show_scrollbars.vertical,
1823 },
1824 scrollbar_layout_information,
1825 content_offset,
1826 scroll_position,
1827 self.style.scrollbar_width,
1828 right_margin,
1829 editor_width,
1830 show_scrollbars,
1831 self.editor.read(cx).scroll_manager.active_scrollbar_state(),
1832 window,
1833 ))
1834 }
1835
1836 fn layout_minimap(
1837 &self,
1838 snapshot: &EditorSnapshot,
1839 minimap_width: Pixels,
1840 scroll_position: gpui::Point<f64>,
1841 scrollbar_layout_information: &ScrollbarLayoutInformation,
1842 scrollbar_layout: Option<&EditorScrollbars>,
1843 window: &mut Window,
1844 cx: &mut App,
1845 ) -> Option<MinimapLayout> {
1846 let minimap_editor = self.editor.read(cx).minimap().cloned()?;
1847
1848 let minimap_settings = EditorSettings::get_global(cx).minimap;
1849
1850 if minimap_settings.on_active_editor() {
1851 let active_editor = self.editor.read(cx).workspace().and_then(|ws| {
1852 ws.read(cx)
1853 .active_pane()
1854 .read(cx)
1855 .active_item()
1856 .and_then(|i| i.act_as::<Editor>(cx))
1857 });
1858 if active_editor.is_some_and(|e| e != self.editor) {
1859 return None;
1860 }
1861 }
1862
1863 if !snapshot.mode.is_full()
1864 || minimap_width.is_zero()
1865 || matches!(
1866 minimap_settings.show,
1867 ShowMinimap::Auto if scrollbar_layout.is_none_or(|layout| !layout.visible)
1868 )
1869 {
1870 return None;
1871 }
1872
1873 const MINIMAP_AXIS: ScrollbarAxis = ScrollbarAxis::Vertical;
1874
1875 let ScrollbarLayoutInformation {
1876 editor_bounds,
1877 scroll_range,
1878 glyph_grid_cell,
1879 } = scrollbar_layout_information;
1880
1881 let line_height = glyph_grid_cell.height;
1882 let scroll_position = scroll_position.along(MINIMAP_AXIS);
1883
1884 let top_right_anchor = scrollbar_layout
1885 .and_then(|layout| layout.vertical.as_ref())
1886 .map(|vertical_scrollbar| vertical_scrollbar.hitbox.origin)
1887 .unwrap_or_else(|| editor_bounds.top_right());
1888
1889 let thumb_state = self
1890 .editor
1891 .read_with(cx, |editor, _| editor.scroll_manager.minimap_thumb_state());
1892
1893 let show_thumb = match minimap_settings.thumb {
1894 MinimapThumb::Always => true,
1895 MinimapThumb::Hover => thumb_state.is_some(),
1896 };
1897
1898 let minimap_bounds = Bounds::from_corner_and_size(
1899 Corner::TopRight,
1900 top_right_anchor,
1901 size(minimap_width, editor_bounds.size.height),
1902 );
1903 let minimap_line_height = self.get_minimap_line_height(
1904 minimap_editor
1905 .read(cx)
1906 .text_style_refinement
1907 .as_ref()
1908 .and_then(|refinement| refinement.font_size)
1909 .unwrap_or(MINIMAP_FONT_SIZE),
1910 window,
1911 cx,
1912 );
1913 let minimap_height = minimap_bounds.size.height;
1914
1915 let visible_editor_lines = (editor_bounds.size.height / line_height) as f64;
1916 let total_editor_lines = (scroll_range.height / line_height) as f64;
1917 let minimap_lines = (minimap_height / minimap_line_height) as f64;
1918
1919 let minimap_scroll_top = MinimapLayout::calculate_minimap_top_offset(
1920 total_editor_lines,
1921 visible_editor_lines,
1922 minimap_lines,
1923 scroll_position,
1924 );
1925
1926 let layout = ScrollbarLayout::for_minimap(
1927 window.insert_hitbox(minimap_bounds, HitboxBehavior::Normal),
1928 visible_editor_lines,
1929 total_editor_lines,
1930 minimap_line_height,
1931 scroll_position,
1932 minimap_scroll_top,
1933 show_thumb,
1934 )
1935 .with_thumb_state(thumb_state);
1936
1937 minimap_editor.update(cx, |editor, cx| {
1938 editor.set_scroll_position(point(0., minimap_scroll_top), window, cx)
1939 });
1940
1941 // Required for the drop shadow to be visible
1942 const PADDING_OFFSET: Pixels = px(4.);
1943
1944 let mut minimap = div()
1945 .size_full()
1946 .shadow_xs()
1947 .px(PADDING_OFFSET)
1948 .child(minimap_editor)
1949 .into_any_element();
1950
1951 let extended_bounds = minimap_bounds.extend(Edges {
1952 right: PADDING_OFFSET,
1953 left: PADDING_OFFSET,
1954 ..Default::default()
1955 });
1956 minimap.layout_as_root(extended_bounds.size.into(), window, cx);
1957 window.with_absolute_element_offset(extended_bounds.origin, |window| {
1958 minimap.prepaint(window, cx)
1959 });
1960
1961 Some(MinimapLayout {
1962 minimap,
1963 thumb_layout: layout,
1964 thumb_border_style: minimap_settings.thumb_border,
1965 minimap_line_height,
1966 minimap_scroll_top,
1967 max_scroll_top: total_editor_lines,
1968 })
1969 }
1970
1971 fn get_minimap_line_height(
1972 &self,
1973 font_size: AbsoluteLength,
1974 window: &mut Window,
1975 cx: &mut App,
1976 ) -> Pixels {
1977 let rem_size = self.rem_size(cx).unwrap_or(window.rem_size());
1978 let mut text_style = self.style.text.clone();
1979 text_style.font_size = font_size;
1980 text_style.line_height_in_pixels(rem_size)
1981 }
1982
1983 fn get_minimap_width(
1984 &self,
1985 minimap_settings: &Minimap,
1986 scrollbars_shown: bool,
1987 text_width: Pixels,
1988 em_width: Pixels,
1989 font_size: Pixels,
1990 rem_size: Pixels,
1991 cx: &App,
1992 ) -> Option<Pixels> {
1993 if minimap_settings.show == ShowMinimap::Auto && !scrollbars_shown {
1994 return None;
1995 }
1996
1997 let minimap_font_size = self.editor.read_with(cx, |editor, cx| {
1998 editor.minimap().map(|minimap_editor| {
1999 minimap_editor
2000 .read(cx)
2001 .text_style_refinement
2002 .as_ref()
2003 .and_then(|refinement| refinement.font_size)
2004 .unwrap_or(MINIMAP_FONT_SIZE)
2005 })
2006 })?;
2007
2008 let minimap_em_width = em_width * (minimap_font_size.to_pixels(rem_size) / font_size);
2009
2010 let minimap_width = (text_width * MinimapLayout::MINIMAP_WIDTH_PCT)
2011 .min(minimap_em_width * minimap_settings.max_width_columns.get() as f32);
2012
2013 (minimap_width >= minimap_em_width * MinimapLayout::MINIMAP_MIN_WIDTH_COLUMNS)
2014 .then_some(minimap_width)
2015 }
2016
2017 fn prepaint_crease_toggles(
2018 &self,
2019 crease_toggles: &mut [Option<AnyElement>],
2020 line_height: Pixels,
2021 gutter_dimensions: &GutterDimensions,
2022 gutter_settings: crate::editor_settings::Gutter,
2023 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2024 gutter_hitbox: &Hitbox,
2025 window: &mut Window,
2026 cx: &mut App,
2027 ) {
2028 for (ix, crease_toggle) in crease_toggles.iter_mut().enumerate() {
2029 if let Some(crease_toggle) = crease_toggle {
2030 debug_assert!(gutter_settings.folds);
2031 let available_space = size(
2032 AvailableSpace::MinContent,
2033 AvailableSpace::Definite(line_height * 0.55),
2034 );
2035 let crease_toggle_size = crease_toggle.layout_as_root(available_space, window, cx);
2036
2037 let position = point(
2038 gutter_dimensions.width - gutter_dimensions.right_padding,
2039 ix as f32 * line_height
2040 - (scroll_pixel_position.y % ScrollPixelOffset::from(line_height)).into(),
2041 );
2042 let centering_offset = point(
2043 (gutter_dimensions.fold_area_width() - crease_toggle_size.width) / 2.,
2044 (line_height - crease_toggle_size.height) / 2.,
2045 );
2046 let origin = gutter_hitbox.origin + position + centering_offset;
2047 crease_toggle.prepaint_as_root(origin, available_space, window, cx);
2048 }
2049 }
2050 }
2051
2052 fn prepaint_expand_toggles(
2053 &self,
2054 expand_toggles: &mut [Option<(AnyElement, gpui::Point<Pixels>)>],
2055 window: &mut Window,
2056 cx: &mut App,
2057 ) {
2058 for (expand_toggle, origin) in expand_toggles.iter_mut().flatten() {
2059 let available_space = size(AvailableSpace::MinContent, AvailableSpace::MinContent);
2060 expand_toggle.layout_as_root(available_space, window, cx);
2061 expand_toggle.prepaint_as_root(*origin, available_space, window, cx);
2062 }
2063 }
2064
2065 fn prepaint_crease_trailers(
2066 &self,
2067 trailers: Vec<Option<AnyElement>>,
2068 lines: &[LineWithInvisibles],
2069 line_height: Pixels,
2070 content_origin: gpui::Point<Pixels>,
2071 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2072 em_width: Pixels,
2073 window: &mut Window,
2074 cx: &mut App,
2075 ) -> Vec<Option<CreaseTrailerLayout>> {
2076 trailers
2077 .into_iter()
2078 .enumerate()
2079 .map(|(ix, element)| {
2080 let mut element = element?;
2081 let available_space = size(
2082 AvailableSpace::MinContent,
2083 AvailableSpace::Definite(line_height),
2084 );
2085 let size = element.layout_as_root(available_space, window, cx);
2086
2087 let line = &lines[ix];
2088 let padding = if line.width == Pixels::ZERO {
2089 Pixels::ZERO
2090 } else {
2091 4. * em_width
2092 };
2093 let position = point(
2094 Pixels::from(scroll_pixel_position.x) + line.width + padding,
2095 ix as f32 * line_height
2096 - (scroll_pixel_position.y % ScrollPixelOffset::from(line_height)).into(),
2097 );
2098 let centering_offset = point(px(0.), (line_height - size.height) / 2.);
2099 let origin = content_origin + position + centering_offset;
2100 element.prepaint_as_root(origin, available_space, window, cx);
2101 Some(CreaseTrailerLayout {
2102 element,
2103 bounds: Bounds::new(origin, size),
2104 })
2105 })
2106 .collect()
2107 }
2108
2109 // Folds contained in a hunk are ignored apart from shrinking visual size
2110 // If a fold contains any hunks then that fold line is marked as modified
2111 fn layout_gutter_diff_hunks(
2112 &self,
2113 line_height: Pixels,
2114 gutter_hitbox: &Hitbox,
2115 display_rows: Range<DisplayRow>,
2116 snapshot: &EditorSnapshot,
2117 window: &mut Window,
2118 cx: &mut App,
2119 ) -> Vec<(DisplayDiffHunk, Option<Hitbox>)> {
2120 let folded_buffers = self.editor.read(cx).folded_buffers(cx);
2121 let mut display_hunks = snapshot
2122 .display_diff_hunks_for_rows(display_rows, folded_buffers)
2123 .map(|hunk| (hunk, None))
2124 .collect::<Vec<_>>();
2125 let git_gutter_setting = ProjectSettings::get_global(cx).git.git_gutter;
2126 if let GitGutterSetting::TrackedFiles = git_gutter_setting {
2127 for (hunk, hitbox) in &mut display_hunks {
2128 if matches!(hunk, DisplayDiffHunk::Unfolded { .. }) {
2129 let hunk_bounds =
2130 Self::diff_hunk_bounds(snapshot, line_height, gutter_hitbox.bounds, hunk);
2131 *hitbox = Some(window.insert_hitbox(hunk_bounds, HitboxBehavior::BlockMouse));
2132 }
2133 }
2134 }
2135
2136 display_hunks
2137 }
2138
2139 fn layout_inline_diagnostics(
2140 &self,
2141 line_layouts: &[LineWithInvisibles],
2142 crease_trailers: &[Option<CreaseTrailerLayout>],
2143 row_block_types: &HashMap<DisplayRow, bool>,
2144 content_origin: gpui::Point<Pixels>,
2145 scroll_position: gpui::Point<ScrollOffset>,
2146 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2147 edit_prediction_popover_origin: Option<gpui::Point<Pixels>>,
2148 start_row: DisplayRow,
2149 end_row: DisplayRow,
2150 line_height: Pixels,
2151 em_width: Pixels,
2152 style: &EditorStyle,
2153 window: &mut Window,
2154 cx: &mut App,
2155 ) -> HashMap<DisplayRow, AnyElement> {
2156 let max_severity = match self
2157 .editor
2158 .read(cx)
2159 .inline_diagnostics_enabled()
2160 .then(|| {
2161 ProjectSettings::get_global(cx)
2162 .diagnostics
2163 .inline
2164 .max_severity
2165 .unwrap_or_else(|| self.editor.read(cx).diagnostics_max_severity)
2166 .into_lsp()
2167 })
2168 .flatten()
2169 {
2170 Some(max_severity) => max_severity,
2171 None => return HashMap::default(),
2172 };
2173
2174 let active_diagnostics_group =
2175 if let ActiveDiagnostic::Group(group) = &self.editor.read(cx).active_diagnostics {
2176 Some(group.group_id)
2177 } else {
2178 None
2179 };
2180
2181 let diagnostics_by_rows = self.editor.update(cx, |editor, cx| {
2182 let snapshot = editor.snapshot(window, cx);
2183 editor
2184 .inline_diagnostics
2185 .iter()
2186 .filter(|(_, diagnostic)| diagnostic.severity <= max_severity)
2187 .filter(|(_, diagnostic)| match active_diagnostics_group {
2188 Some(active_diagnostics_group) => {
2189 // Active diagnostics are all shown in the editor already, no need to display them inline
2190 diagnostic.group_id != active_diagnostics_group
2191 }
2192 None => true,
2193 })
2194 .map(|(point, diag)| (point.to_display_point(&snapshot), diag.clone()))
2195 .skip_while(|(point, _)| point.row() < start_row)
2196 .take_while(|(point, _)| point.row() < end_row)
2197 .filter(|(point, _)| !row_block_types.contains_key(&point.row()))
2198 .fold(HashMap::default(), |mut acc, (point, diagnostic)| {
2199 acc.entry(point.row())
2200 .or_insert_with(Vec::new)
2201 .push(diagnostic);
2202 acc
2203 })
2204 });
2205
2206 if diagnostics_by_rows.is_empty() {
2207 return HashMap::default();
2208 }
2209
2210 let severity_to_color = |sev: &lsp::DiagnosticSeverity| match sev {
2211 &lsp::DiagnosticSeverity::ERROR => Color::Error,
2212 &lsp::DiagnosticSeverity::WARNING => Color::Warning,
2213 &lsp::DiagnosticSeverity::INFORMATION => Color::Info,
2214 &lsp::DiagnosticSeverity::HINT => Color::Hint,
2215 _ => Color::Error,
2216 };
2217
2218 let padding = ProjectSettings::get_global(cx).diagnostics.inline.padding as f32 * em_width;
2219 let min_x = self.column_pixels(
2220 ProjectSettings::get_global(cx)
2221 .diagnostics
2222 .inline
2223 .min_column as usize,
2224 window,
2225 );
2226
2227 let mut elements = HashMap::default();
2228 for (row, mut diagnostics) in diagnostics_by_rows {
2229 diagnostics.sort_by_key(|diagnostic| {
2230 (
2231 diagnostic.severity,
2232 std::cmp::Reverse(diagnostic.is_primary),
2233 diagnostic.start.row,
2234 diagnostic.start.column,
2235 )
2236 });
2237
2238 let Some(diagnostic_to_render) = diagnostics
2239 .iter()
2240 .find(|diagnostic| diagnostic.is_primary)
2241 .or_else(|| diagnostics.first())
2242 else {
2243 continue;
2244 };
2245
2246 let pos_y = content_origin.y + line_height * (row.0 as f64 - scroll_position.y) as f32;
2247
2248 let window_ix = row.0.saturating_sub(start_row.0) as usize;
2249 let pos_x = {
2250 let crease_trailer_layout = &crease_trailers[window_ix];
2251 let line_layout = &line_layouts[window_ix];
2252
2253 let line_end = if let Some(crease_trailer) = crease_trailer_layout {
2254 crease_trailer.bounds.right()
2255 } else {
2256 Pixels::from(
2257 ScrollPixelOffset::from(content_origin.x + line_layout.width)
2258 - scroll_pixel_position.x,
2259 )
2260 };
2261
2262 let padded_line = line_end + padding;
2263 let min_start = Pixels::from(
2264 ScrollPixelOffset::from(content_origin.x + min_x) - scroll_pixel_position.x,
2265 );
2266
2267 cmp::max(padded_line, min_start)
2268 };
2269
2270 let behind_edit_prediction_popover = edit_prediction_popover_origin
2271 .as_ref()
2272 .is_some_and(|edit_prediction_popover_origin| {
2273 (pos_y..pos_y + line_height).contains(&edit_prediction_popover_origin.y)
2274 });
2275 let opacity = if behind_edit_prediction_popover {
2276 0.5
2277 } else {
2278 1.0
2279 };
2280
2281 let mut element = h_flex()
2282 .id(("diagnostic", row.0))
2283 .h(line_height)
2284 .w_full()
2285 .px_1()
2286 .rounded_xs()
2287 .opacity(opacity)
2288 .bg(severity_to_color(&diagnostic_to_render.severity)
2289 .color(cx)
2290 .opacity(0.05))
2291 .text_color(severity_to_color(&diagnostic_to_render.severity).color(cx))
2292 .text_sm()
2293 .font_family(style.text.font().family)
2294 .child(diagnostic_to_render.message.clone())
2295 .into_any();
2296
2297 element.prepaint_as_root(point(pos_x, pos_y), AvailableSpace::min_size(), window, cx);
2298
2299 elements.insert(row, element);
2300 }
2301
2302 elements
2303 }
2304
2305 fn layout_inline_code_actions(
2306 &self,
2307 display_point: DisplayPoint,
2308 content_origin: gpui::Point<Pixels>,
2309 scroll_position: gpui::Point<ScrollOffset>,
2310 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2311 line_height: Pixels,
2312 snapshot: &EditorSnapshot,
2313 window: &mut Window,
2314 cx: &mut App,
2315 ) -> Option<AnyElement> {
2316 if !snapshot
2317 .show_code_actions
2318 .unwrap_or(EditorSettings::get_global(cx).inline_code_actions)
2319 {
2320 return None;
2321 }
2322
2323 let icon_size = ui::IconSize::XSmall;
2324 let mut button = self.editor.update(cx, |editor, cx| {
2325 editor.available_code_actions.as_ref()?;
2326 let active = editor
2327 .context_menu
2328 .borrow()
2329 .as_ref()
2330 .and_then(|menu| {
2331 if let crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2332 deployed_from,
2333 ..
2334 }) = menu
2335 {
2336 deployed_from.as_ref()
2337 } else {
2338 None
2339 }
2340 })
2341 .is_some_and(|source| matches!(source, CodeActionSource::Indicator(..)));
2342 Some(editor.render_inline_code_actions(icon_size, display_point.row(), active, cx))
2343 })?;
2344
2345 let buffer_point = display_point.to_point(&snapshot.display_snapshot);
2346
2347 // do not show code action for folded line
2348 if snapshot.is_line_folded(MultiBufferRow(buffer_point.row)) {
2349 return None;
2350 }
2351
2352 // do not show code action for blank line with cursor
2353 let line_indent = snapshot
2354 .display_snapshot
2355 .buffer_snapshot()
2356 .line_indent_for_row(MultiBufferRow(buffer_point.row));
2357 if line_indent.is_line_blank() {
2358 return None;
2359 }
2360
2361 const INLINE_SLOT_CHAR_LIMIT: u32 = 4;
2362 const MAX_ALTERNATE_DISTANCE: u32 = 8;
2363
2364 let excerpt_id = snapshot
2365 .display_snapshot
2366 .buffer_snapshot()
2367 .excerpt_containing(buffer_point..buffer_point)
2368 .map(|excerpt| excerpt.id());
2369
2370 let is_valid_row = |row_candidate: u32| -> bool {
2371 // move to other row if folded row
2372 if snapshot.is_line_folded(MultiBufferRow(row_candidate)) {
2373 return false;
2374 }
2375 if buffer_point.row == row_candidate {
2376 // move to other row if cursor is in slot
2377 if buffer_point.column < INLINE_SLOT_CHAR_LIMIT {
2378 return false;
2379 }
2380 } else {
2381 let candidate_point = MultiBufferPoint {
2382 row: row_candidate,
2383 column: 0,
2384 };
2385 let candidate_excerpt_id = snapshot
2386 .display_snapshot
2387 .buffer_snapshot()
2388 .excerpt_containing(candidate_point..candidate_point)
2389 .map(|excerpt| excerpt.id());
2390 // move to other row if different excerpt
2391 if excerpt_id != candidate_excerpt_id {
2392 return false;
2393 }
2394 }
2395 let line_indent = snapshot
2396 .display_snapshot
2397 .buffer_snapshot()
2398 .line_indent_for_row(MultiBufferRow(row_candidate));
2399 // use this row if it's blank
2400 if line_indent.is_line_blank() {
2401 true
2402 } else {
2403 // use this row if code starts after slot
2404 let indent_size = snapshot
2405 .display_snapshot
2406 .buffer_snapshot()
2407 .indent_size_for_line(MultiBufferRow(row_candidate));
2408 indent_size.len >= INLINE_SLOT_CHAR_LIMIT
2409 }
2410 };
2411
2412 let new_buffer_row = if is_valid_row(buffer_point.row) {
2413 Some(buffer_point.row)
2414 } else {
2415 let max_row = snapshot.display_snapshot.buffer_snapshot().max_point().row;
2416 (1..=MAX_ALTERNATE_DISTANCE).find_map(|offset| {
2417 let row_above = buffer_point.row.saturating_sub(offset);
2418 let row_below = buffer_point.row + offset;
2419 if row_above != buffer_point.row && is_valid_row(row_above) {
2420 Some(row_above)
2421 } else if row_below <= max_row && is_valid_row(row_below) {
2422 Some(row_below)
2423 } else {
2424 None
2425 }
2426 })
2427 }?;
2428
2429 let new_display_row = snapshot
2430 .display_snapshot
2431 .point_to_display_point(
2432 Point {
2433 row: new_buffer_row,
2434 column: buffer_point.column,
2435 },
2436 text::Bias::Left,
2437 )
2438 .row();
2439
2440 let start_y = content_origin.y
2441 + (((new_display_row.as_f64() - scroll_position.y) as f32) * line_height)
2442 + (line_height / 2.0)
2443 - (icon_size.square(window, cx) / 2.);
2444 let start_x = (ScrollPixelOffset::from(content_origin.x) - scroll_pixel_position.x
2445 + ScrollPixelOffset::from(window.rem_size() * 0.1))
2446 .into();
2447
2448 let absolute_offset = gpui::point(start_x, start_y);
2449 button.layout_as_root(gpui::AvailableSpace::min_size(), window, cx);
2450 button.prepaint_as_root(
2451 absolute_offset,
2452 gpui::AvailableSpace::min_size(),
2453 window,
2454 cx,
2455 );
2456 Some(button)
2457 }
2458
2459 fn layout_inline_blame(
2460 &self,
2461 display_row: DisplayRow,
2462 row_info: &RowInfo,
2463 line_layout: &LineWithInvisibles,
2464 crease_trailer: Option<&CreaseTrailerLayout>,
2465 em_width: Pixels,
2466 content_origin: gpui::Point<Pixels>,
2467 scroll_position: gpui::Point<ScrollOffset>,
2468 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2469 line_height: Pixels,
2470 text_hitbox: &Hitbox,
2471 window: &mut Window,
2472 cx: &mut App,
2473 ) -> Option<InlineBlameLayout> {
2474 if !self
2475 .editor
2476 .update(cx, |editor, cx| editor.render_git_blame_inline(window, cx))
2477 {
2478 return None;
2479 }
2480
2481 let editor = self.editor.read(cx);
2482 let blame = editor.blame.clone()?;
2483 let padding = {
2484 const INLINE_ACCEPT_SUGGESTION_EM_WIDTHS: f32 = 14.;
2485
2486 let mut padding = ProjectSettings::get_global(cx).git.inline_blame.padding as f32;
2487
2488 if let Some(edit_prediction) = editor.active_edit_prediction.as_ref()
2489 && let EditPrediction::Edit {
2490 display_mode: EditDisplayMode::TabAccept,
2491 ..
2492 } = &edit_prediction.completion
2493 {
2494 padding += INLINE_ACCEPT_SUGGESTION_EM_WIDTHS
2495 }
2496
2497 padding * em_width
2498 };
2499
2500 let (buffer_id, entry) = blame
2501 .update(cx, |blame, cx| {
2502 blame.blame_for_rows(&[*row_info], cx).next()
2503 })
2504 .flatten()?;
2505
2506 let mut element = render_inline_blame_entry(entry.clone(), &self.style, cx)?;
2507
2508 let start_y =
2509 content_origin.y + line_height * ((display_row.as_f64() - scroll_position.y) as f32);
2510
2511 let start_x = {
2512 let line_end = if let Some(crease_trailer) = crease_trailer {
2513 crease_trailer.bounds.right()
2514 } else {
2515 Pixels::from(
2516 ScrollPixelOffset::from(content_origin.x + line_layout.width)
2517 - scroll_pixel_position.x,
2518 )
2519 };
2520
2521 let padded_line_end = line_end + padding;
2522
2523 let min_column_in_pixels = self.column_pixels(
2524 ProjectSettings::get_global(cx).git.inline_blame.min_column as usize,
2525 window,
2526 );
2527 let min_start = Pixels::from(
2528 ScrollPixelOffset::from(content_origin.x + min_column_in_pixels)
2529 - scroll_pixel_position.x,
2530 );
2531
2532 cmp::max(padded_line_end, min_start)
2533 };
2534
2535 let absolute_offset = point(start_x, start_y);
2536 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2537 let bounds = Bounds::new(absolute_offset, size);
2538
2539 self.layout_blame_entry_popover(
2540 entry.clone(),
2541 blame,
2542 line_height,
2543 text_hitbox,
2544 row_info.buffer_id?,
2545 window,
2546 cx,
2547 );
2548
2549 element.prepaint_as_root(absolute_offset, AvailableSpace::min_size(), window, cx);
2550
2551 Some(InlineBlameLayout {
2552 element,
2553 bounds,
2554 buffer_id,
2555 entry,
2556 })
2557 }
2558
2559 fn layout_blame_entry_popover(
2560 &self,
2561 blame_entry: BlameEntry,
2562 blame: Entity<GitBlame>,
2563 line_height: Pixels,
2564 text_hitbox: &Hitbox,
2565 buffer: BufferId,
2566 window: &mut Window,
2567 cx: &mut App,
2568 ) {
2569 let Some((popover_state, target_point)) = self.editor.read_with(cx, |editor, _| {
2570 editor
2571 .inline_blame_popover
2572 .as_ref()
2573 .map(|state| (state.popover_state.clone(), state.position))
2574 }) else {
2575 return;
2576 };
2577
2578 let workspace = self
2579 .editor
2580 .read_with(cx, |editor, _| editor.workspace().map(|w| w.downgrade()));
2581
2582 let maybe_element = workspace.and_then(|workspace| {
2583 render_blame_entry_popover(
2584 blame_entry,
2585 popover_state.scroll_handle,
2586 popover_state.commit_message,
2587 popover_state.markdown,
2588 workspace,
2589 &blame,
2590 buffer,
2591 window,
2592 cx,
2593 )
2594 });
2595
2596 if let Some(mut element) = maybe_element {
2597 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2598 let overall_height = size.height + HOVER_POPOVER_GAP;
2599 let popover_origin = if target_point.y > overall_height {
2600 point(target_point.x, target_point.y - size.height)
2601 } else {
2602 point(
2603 target_point.x,
2604 target_point.y + line_height + HOVER_POPOVER_GAP,
2605 )
2606 };
2607
2608 let horizontal_offset = (text_hitbox.top_right().x
2609 - POPOVER_RIGHT_OFFSET
2610 - (popover_origin.x + size.width))
2611 .min(Pixels::ZERO);
2612
2613 let origin = point(popover_origin.x + horizontal_offset, popover_origin.y);
2614 let popover_bounds = Bounds::new(origin, size);
2615
2616 self.editor.update(cx, |editor, _| {
2617 if let Some(state) = &mut editor.inline_blame_popover {
2618 state.popover_bounds = Some(popover_bounds);
2619 }
2620 });
2621
2622 window.defer_draw(element, origin, 2);
2623 }
2624 }
2625
2626 fn layout_blame_entries(
2627 &self,
2628 buffer_rows: &[RowInfo],
2629 em_width: Pixels,
2630 scroll_position: gpui::Point<ScrollOffset>,
2631 line_height: Pixels,
2632 gutter_hitbox: &Hitbox,
2633 max_width: Option<Pixels>,
2634 window: &mut Window,
2635 cx: &mut App,
2636 ) -> Option<Vec<AnyElement>> {
2637 if !self
2638 .editor
2639 .update(cx, |editor, cx| editor.render_git_blame_gutter(cx))
2640 {
2641 return None;
2642 }
2643
2644 let blame = self.editor.read(cx).blame.clone()?;
2645 let workspace = self.editor.read(cx).workspace()?;
2646 let blamed_rows: Vec<_> = blame.update(cx, |blame, cx| {
2647 blame.blame_for_rows(buffer_rows, cx).collect()
2648 });
2649
2650 let width = if let Some(max_width) = max_width {
2651 AvailableSpace::Definite(max_width)
2652 } else {
2653 AvailableSpace::MaxContent
2654 };
2655 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
2656 let start_x = em_width;
2657
2658 let mut last_used_color: Option<(Hsla, Oid)> = None;
2659 let blame_renderer = cx.global::<GlobalBlameRenderer>().0.clone();
2660
2661 let shaped_lines = blamed_rows
2662 .into_iter()
2663 .enumerate()
2664 .flat_map(|(ix, blame_entry)| {
2665 let (buffer_id, blame_entry) = blame_entry?;
2666 let mut element = render_blame_entry(
2667 ix,
2668 &blame,
2669 blame_entry,
2670 &self.style,
2671 &mut last_used_color,
2672 self.editor.clone(),
2673 workspace.clone(),
2674 buffer_id,
2675 &*blame_renderer,
2676 window,
2677 cx,
2678 )?;
2679
2680 let start_y = ix as f32 * line_height
2681 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height));
2682 let absolute_offset = gutter_hitbox.origin + point(start_x, start_y);
2683
2684 element.prepaint_as_root(
2685 absolute_offset,
2686 size(width, AvailableSpace::MinContent),
2687 window,
2688 cx,
2689 );
2690
2691 Some(element)
2692 })
2693 .collect();
2694
2695 Some(shaped_lines)
2696 }
2697
2698 fn layout_indent_guides(
2699 &self,
2700 content_origin: gpui::Point<Pixels>,
2701 text_origin: gpui::Point<Pixels>,
2702 visible_buffer_range: Range<MultiBufferRow>,
2703 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2704 line_height: Pixels,
2705 snapshot: &DisplaySnapshot,
2706 window: &mut Window,
2707 cx: &mut App,
2708 ) -> Option<Vec<IndentGuideLayout>> {
2709 let indent_guides = self.editor.update(cx, |editor, cx| {
2710 editor.indent_guides(visible_buffer_range, snapshot, cx)
2711 })?;
2712
2713 let active_indent_guide_indices = self.editor.update(cx, |editor, cx| {
2714 editor
2715 .find_active_indent_guide_indices(&indent_guides, snapshot, window, cx)
2716 .unwrap_or_default()
2717 });
2718
2719 Some(
2720 indent_guides
2721 .into_iter()
2722 .enumerate()
2723 .filter_map(|(i, indent_guide)| {
2724 let single_indent_width =
2725 self.column_pixels(indent_guide.tab_size as usize, window);
2726 let total_width = single_indent_width * indent_guide.depth as f32;
2727 let start_x = Pixels::from(
2728 ScrollOffset::from(content_origin.x + total_width)
2729 - scroll_pixel_position.x,
2730 );
2731 if start_x >= text_origin.x {
2732 let (offset_y, length) = Self::calculate_indent_guide_bounds(
2733 indent_guide.start_row..indent_guide.end_row,
2734 line_height,
2735 snapshot,
2736 );
2737
2738 let start_y = Pixels::from(
2739 ScrollOffset::from(content_origin.y) + offset_y
2740 - scroll_pixel_position.y,
2741 );
2742
2743 Some(IndentGuideLayout {
2744 origin: point(start_x, start_y),
2745 length,
2746 single_indent_width,
2747 depth: indent_guide.depth,
2748 active: active_indent_guide_indices.contains(&i),
2749 settings: indent_guide.settings,
2750 })
2751 } else {
2752 None
2753 }
2754 })
2755 .collect(),
2756 )
2757 }
2758
2759 fn layout_wrap_guides(
2760 &self,
2761 em_advance: Pixels,
2762 scroll_position: gpui::Point<f64>,
2763 content_origin: gpui::Point<Pixels>,
2764 scrollbar_layout: Option<&EditorScrollbars>,
2765 vertical_scrollbar_width: Pixels,
2766 hitbox: &Hitbox,
2767 window: &Window,
2768 cx: &App,
2769 ) -> SmallVec<[(Pixels, bool); 2]> {
2770 let scroll_left = scroll_position.x as f32 * em_advance;
2771 let content_origin = content_origin.x;
2772 let horizontal_offset = content_origin - scroll_left;
2773 let vertical_scrollbar_width = scrollbar_layout
2774 .and_then(|layout| layout.visible.then_some(vertical_scrollbar_width))
2775 .unwrap_or_default();
2776
2777 self.editor
2778 .read(cx)
2779 .wrap_guides(cx)
2780 .into_iter()
2781 .flat_map(|(guide, active)| {
2782 let wrap_position = self.column_pixels(guide, window);
2783 let wrap_guide_x = wrap_position + horizontal_offset;
2784 let display_wrap_guide = wrap_guide_x >= content_origin
2785 && wrap_guide_x <= hitbox.bounds.right() - vertical_scrollbar_width;
2786
2787 display_wrap_guide.then_some((wrap_guide_x, active))
2788 })
2789 .collect()
2790 }
2791
2792 fn calculate_indent_guide_bounds(
2793 row_range: Range<MultiBufferRow>,
2794 line_height: Pixels,
2795 snapshot: &DisplaySnapshot,
2796 ) -> (f64, gpui::Pixels) {
2797 let start_point = Point::new(row_range.start.0, 0);
2798 let end_point = Point::new(row_range.end.0, 0);
2799
2800 let row_range = start_point.to_display_point(snapshot).row()
2801 ..end_point.to_display_point(snapshot).row();
2802
2803 let mut prev_line = start_point;
2804 prev_line.row = prev_line.row.saturating_sub(1);
2805 let prev_line = prev_line.to_display_point(snapshot).row();
2806
2807 let mut cons_line = end_point;
2808 cons_line.row += 1;
2809 let cons_line = cons_line.to_display_point(snapshot).row();
2810
2811 let mut offset_y = row_range.start.as_f64() * f64::from(line_height);
2812 let mut length = (cons_line.0.saturating_sub(row_range.start.0)) as f32 * line_height;
2813
2814 // If we are at the end of the buffer, ensure that the indent guide extends to the end of the line.
2815 if row_range.end == cons_line {
2816 length += line_height;
2817 }
2818
2819 // If there is a block (e.g. diagnostic) in between the start of the indent guide and the line above,
2820 // we want to extend the indent guide to the start of the block.
2821 let mut block_height = 0;
2822 let mut block_offset = 0;
2823 let mut found_excerpt_header = false;
2824 for (_, block) in snapshot.blocks_in_range(prev_line..row_range.start) {
2825 if matches!(
2826 block,
2827 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
2828 ) {
2829 found_excerpt_header = true;
2830 break;
2831 }
2832 block_offset += block.height();
2833 block_height += block.height();
2834 }
2835 if !found_excerpt_header {
2836 offset_y -= block_offset as f64 * f64::from(line_height);
2837 length += block_height as f32 * line_height;
2838 }
2839
2840 // If there is a block (e.g. diagnostic) at the end of an multibuffer excerpt,
2841 // we want to ensure that the indent guide stops before the excerpt header.
2842 let mut block_height = 0;
2843 let mut found_excerpt_header = false;
2844 for (_, block) in snapshot.blocks_in_range(row_range.end..cons_line) {
2845 if matches!(
2846 block,
2847 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
2848 ) {
2849 found_excerpt_header = true;
2850 }
2851 block_height += block.height();
2852 }
2853 if found_excerpt_header {
2854 length -= block_height as f32 * line_height;
2855 }
2856
2857 (offset_y, length)
2858 }
2859
2860 fn layout_breakpoints(
2861 &self,
2862 line_height: Pixels,
2863 range: Range<DisplayRow>,
2864 scroll_position: gpui::Point<ScrollOffset>,
2865 gutter_dimensions: &GutterDimensions,
2866 gutter_hitbox: &Hitbox,
2867 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2868 snapshot: &EditorSnapshot,
2869 breakpoints: HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2870 row_infos: &[RowInfo],
2871 window: &mut Window,
2872 cx: &mut App,
2873 ) -> Vec<AnyElement> {
2874 self.editor.update(cx, |editor, cx| {
2875 breakpoints
2876 .into_iter()
2877 .filter_map(|(display_row, (text_anchor, bp, state))| {
2878 if row_infos
2879 .get((display_row.0.saturating_sub(range.start.0)) as usize)
2880 .is_some_and(|row_info| {
2881 row_info.expand_info.is_some()
2882 || row_info
2883 .diff_status
2884 .is_some_and(|status| status.is_deleted())
2885 })
2886 {
2887 return None;
2888 }
2889
2890 if range.start > display_row || range.end < display_row {
2891 return None;
2892 }
2893
2894 let row =
2895 MultiBufferRow(DisplayPoint::new(display_row, 0).to_point(snapshot).row);
2896 if snapshot.is_line_folded(row) {
2897 return None;
2898 }
2899
2900 let button = editor.render_breakpoint(text_anchor, display_row, &bp, state, cx);
2901
2902 let button = prepaint_gutter_button(
2903 button,
2904 display_row,
2905 line_height,
2906 gutter_dimensions,
2907 scroll_position,
2908 gutter_hitbox,
2909 display_hunks,
2910 window,
2911 cx,
2912 );
2913 Some(button)
2914 })
2915 .collect_vec()
2916 })
2917 }
2918
2919 #[allow(clippy::too_many_arguments)]
2920 fn layout_run_indicators(
2921 &self,
2922 line_height: Pixels,
2923 range: Range<DisplayRow>,
2924 row_infos: &[RowInfo],
2925 scroll_position: gpui::Point<ScrollOffset>,
2926 gutter_dimensions: &GutterDimensions,
2927 gutter_hitbox: &Hitbox,
2928 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2929 snapshot: &EditorSnapshot,
2930 breakpoints: &mut HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2931 window: &mut Window,
2932 cx: &mut App,
2933 ) -> Vec<AnyElement> {
2934 self.editor.update(cx, |editor, cx| {
2935 let active_task_indicator_row =
2936 // TODO: add edit button on the right side of each row in the context menu
2937 if let Some(crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2938 deployed_from,
2939 actions,
2940 ..
2941 })) = editor.context_menu.borrow().as_ref()
2942 {
2943 actions
2944 .tasks()
2945 .map(|tasks| tasks.position.to_display_point(snapshot).row())
2946 .or_else(|| match deployed_from {
2947 Some(CodeActionSource::Indicator(row)) => Some(*row),
2948 _ => None,
2949 })
2950 } else {
2951 None
2952 };
2953
2954 let offset_range_start =
2955 snapshot.display_point_to_point(DisplayPoint::new(range.start, 0), Bias::Left);
2956
2957 let offset_range_end =
2958 snapshot.display_point_to_point(DisplayPoint::new(range.end, 0), Bias::Right);
2959
2960 editor
2961 .tasks
2962 .iter()
2963 .filter_map(|(_, tasks)| {
2964 let multibuffer_point = tasks.offset.to_point(&snapshot.buffer_snapshot());
2965 if multibuffer_point < offset_range_start
2966 || multibuffer_point > offset_range_end
2967 {
2968 return None;
2969 }
2970 let multibuffer_row = MultiBufferRow(multibuffer_point.row);
2971 let buffer_folded = snapshot
2972 .buffer_snapshot()
2973 .buffer_line_for_row(multibuffer_row)
2974 .map(|(buffer_snapshot, _)| buffer_snapshot.remote_id())
2975 .map(|buffer_id| editor.is_buffer_folded(buffer_id, cx))
2976 .unwrap_or(false);
2977 if buffer_folded {
2978 return None;
2979 }
2980
2981 if snapshot.is_line_folded(multibuffer_row) {
2982 // Skip folded indicators, unless it's the starting line of a fold.
2983 if multibuffer_row
2984 .0
2985 .checked_sub(1)
2986 .is_some_and(|previous_row| {
2987 snapshot.is_line_folded(MultiBufferRow(previous_row))
2988 })
2989 {
2990 return None;
2991 }
2992 }
2993
2994 let display_row = multibuffer_point.to_display_point(snapshot).row();
2995 if !range.contains(&display_row) {
2996 return None;
2997 }
2998 if row_infos
2999 .get((display_row - range.start).0 as usize)
3000 .is_some_and(|row_info| row_info.expand_info.is_some())
3001 {
3002 return None;
3003 }
3004
3005 let button = editor.render_run_indicator(
3006 &self.style,
3007 Some(display_row) == active_task_indicator_row,
3008 display_row,
3009 breakpoints.remove(&display_row),
3010 cx,
3011 );
3012
3013 let button = prepaint_gutter_button(
3014 button,
3015 display_row,
3016 line_height,
3017 gutter_dimensions,
3018 scroll_position,
3019 gutter_hitbox,
3020 display_hunks,
3021 window,
3022 cx,
3023 );
3024 Some(button)
3025 })
3026 .collect_vec()
3027 })
3028 }
3029
3030 fn layout_expand_toggles(
3031 &self,
3032 gutter_hitbox: &Hitbox,
3033 gutter_dimensions: GutterDimensions,
3034 em_width: Pixels,
3035 line_height: Pixels,
3036 scroll_position: gpui::Point<ScrollOffset>,
3037 buffer_rows: &[RowInfo],
3038 window: &mut Window,
3039 cx: &mut App,
3040 ) -> Vec<Option<(AnyElement, gpui::Point<Pixels>)>> {
3041 if self.editor.read(cx).disable_expand_excerpt_buttons {
3042 return vec![];
3043 }
3044
3045 let editor_font_size = self.style.text.font_size.to_pixels(window.rem_size()) * 1.2;
3046
3047 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
3048
3049 let max_line_number_length = self
3050 .editor
3051 .read(cx)
3052 .buffer()
3053 .read(cx)
3054 .snapshot(cx)
3055 .widest_line_number()
3056 .ilog10()
3057 + 1;
3058
3059 let git_gutter_width = Self::gutter_strip_width(line_height)
3060 + gutter_dimensions
3061 .git_blame_entries_width
3062 .unwrap_or_default();
3063 let available_width = gutter_dimensions.left_padding - git_gutter_width;
3064
3065 buffer_rows
3066 .iter()
3067 .enumerate()
3068 .map(|(ix, row_info)| {
3069 let ExpandInfo {
3070 excerpt_id,
3071 direction,
3072 } = row_info.expand_info?;
3073
3074 let icon_name = match direction {
3075 ExpandExcerptDirection::Up => IconName::ExpandUp,
3076 ExpandExcerptDirection::Down => IconName::ExpandDown,
3077 ExpandExcerptDirection::UpAndDown => IconName::ExpandVertical,
3078 };
3079
3080 let editor = self.editor.clone();
3081 let is_wide = max_line_number_length
3082 >= EditorSettings::get_global(cx).gutter.min_line_number_digits as u32
3083 && row_info
3084 .buffer_row
3085 .is_some_and(|row| (row + 1).ilog10() + 1 == max_line_number_length)
3086 || gutter_dimensions.right_padding == px(0.);
3087
3088 let width = if is_wide {
3089 available_width - px(2.)
3090 } else {
3091 available_width + em_width - px(2.)
3092 };
3093
3094 let toggle = IconButton::new(("expand", ix), icon_name)
3095 .icon_color(Color::Custom(cx.theme().colors().editor_line_number))
3096 .selected_icon_color(Color::Custom(cx.theme().colors().editor_foreground))
3097 .icon_size(IconSize::Custom(rems(editor_font_size / window.rem_size())))
3098 .width(width)
3099 .on_click(move |_, window, cx| {
3100 editor.update(cx, |editor, cx| {
3101 editor.expand_excerpt(excerpt_id, direction, window, cx);
3102 });
3103 })
3104 .tooltip(Tooltip::for_action_title(
3105 "Expand Excerpt",
3106 &crate::actions::ExpandExcerpts::default(),
3107 ))
3108 .into_any_element();
3109
3110 let position = point(
3111 git_gutter_width + px(1.),
3112 ix as f32 * line_height
3113 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height))
3114 + px(1.),
3115 );
3116 let origin = gutter_hitbox.origin + position;
3117
3118 Some((toggle, origin))
3119 })
3120 .collect()
3121 }
3122
3123 fn calculate_relative_line_numbers(
3124 &self,
3125 snapshot: &EditorSnapshot,
3126 rows: &Range<DisplayRow>,
3127 relative_to: Option<DisplayRow>,
3128 ) -> HashMap<DisplayRow, DisplayRowDelta> {
3129 let mut relative_rows: HashMap<DisplayRow, DisplayRowDelta> = Default::default();
3130 let Some(relative_to) = relative_to else {
3131 return relative_rows;
3132 };
3133
3134 let start = rows.start.min(relative_to);
3135 let end = rows.end.max(relative_to);
3136
3137 let buffer_rows = snapshot
3138 .row_infos(start)
3139 .take(1 + end.minus(start) as usize)
3140 .collect::<Vec<_>>();
3141
3142 let head_idx = relative_to.minus(start);
3143 let mut delta = 1;
3144 let mut i = head_idx + 1;
3145 while i < buffer_rows.len() as u32 {
3146 if buffer_rows[i as usize].buffer_row.is_some() {
3147 if rows.contains(&DisplayRow(i + start.0)) {
3148 relative_rows.insert(DisplayRow(i + start.0), delta);
3149 }
3150 delta += 1;
3151 }
3152 i += 1;
3153 }
3154 delta = 1;
3155 i = head_idx.min(buffer_rows.len() as u32 - 1);
3156 while i > 0 && buffer_rows[i as usize].buffer_row.is_none() {
3157 i -= 1;
3158 }
3159
3160 while i > 0 {
3161 i -= 1;
3162 if buffer_rows[i as usize].buffer_row.is_some() {
3163 if rows.contains(&DisplayRow(i + start.0)) {
3164 relative_rows.insert(DisplayRow(i + start.0), delta);
3165 }
3166 delta += 1;
3167 }
3168 }
3169
3170 relative_rows
3171 }
3172
3173 fn layout_line_numbers(
3174 &self,
3175 gutter_hitbox: Option<&Hitbox>,
3176 gutter_dimensions: GutterDimensions,
3177 line_height: Pixels,
3178 scroll_position: gpui::Point<ScrollOffset>,
3179 rows: Range<DisplayRow>,
3180 buffer_rows: &[RowInfo],
3181 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3182 newest_selection_head: Option<DisplayPoint>,
3183 snapshot: &EditorSnapshot,
3184 window: &mut Window,
3185 cx: &mut App,
3186 ) -> Arc<HashMap<MultiBufferRow, LineNumberLayout>> {
3187 let include_line_numbers = snapshot
3188 .show_line_numbers
3189 .unwrap_or_else(|| EditorSettings::get_global(cx).gutter.line_numbers);
3190 if !include_line_numbers {
3191 return Arc::default();
3192 }
3193
3194 let (newest_selection_head, is_relative) = self.editor.update(cx, |editor, cx| {
3195 let newest_selection_head = newest_selection_head.unwrap_or_else(|| {
3196 let newest = editor.selections.newest::<Point>(cx);
3197 SelectionLayout::new(
3198 newest,
3199 editor.selections.line_mode(),
3200 editor.cursor_shape,
3201 &snapshot.display_snapshot,
3202 true,
3203 true,
3204 None,
3205 )
3206 .head
3207 });
3208 let is_relative = editor.should_use_relative_line_numbers(cx);
3209 (newest_selection_head, is_relative)
3210 });
3211
3212 let relative_to = if is_relative {
3213 Some(newest_selection_head.row())
3214 } else {
3215 None
3216 };
3217 let relative_rows = self.calculate_relative_line_numbers(snapshot, &rows, relative_to);
3218 let mut line_number = String::new();
3219 let line_numbers = buffer_rows
3220 .iter()
3221 .enumerate()
3222 .flat_map(|(ix, row_info)| {
3223 let display_row = DisplayRow(rows.start.0 + ix as u32);
3224 line_number.clear();
3225 let non_relative_number = row_info.buffer_row? + 1;
3226 let number = relative_rows
3227 .get(&display_row)
3228 .unwrap_or(&non_relative_number);
3229 write!(&mut line_number, "{number}").unwrap();
3230 if row_info
3231 .diff_status
3232 .is_some_and(|status| status.is_deleted())
3233 {
3234 return None;
3235 }
3236
3237 let color = active_rows
3238 .get(&display_row)
3239 .map(|spec| {
3240 if spec.breakpoint {
3241 cx.theme().colors().debugger_accent
3242 } else {
3243 cx.theme().colors().editor_active_line_number
3244 }
3245 })
3246 .unwrap_or_else(|| cx.theme().colors().editor_line_number);
3247 let shaped_line =
3248 self.shape_line_number(SharedString::from(&line_number), color, window);
3249 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
3250 let line_origin = gutter_hitbox.map(|hitbox| {
3251 hitbox.origin
3252 + point(
3253 hitbox.size.width - shaped_line.width - gutter_dimensions.right_padding,
3254 ix as f32 * line_height
3255 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height)),
3256 )
3257 });
3258
3259 #[cfg(not(test))]
3260 let hitbox = line_origin.map(|line_origin| {
3261 window.insert_hitbox(
3262 Bounds::new(line_origin, size(shaped_line.width, line_height)),
3263 HitboxBehavior::Normal,
3264 )
3265 });
3266 #[cfg(test)]
3267 let hitbox = {
3268 let _ = line_origin;
3269 None
3270 };
3271
3272 let multi_buffer_row = DisplayPoint::new(display_row, 0).to_point(snapshot).row;
3273 let multi_buffer_row = MultiBufferRow(multi_buffer_row);
3274 let line_number = LineNumberLayout {
3275 shaped_line,
3276 hitbox,
3277 };
3278 Some((multi_buffer_row, line_number))
3279 })
3280 .collect();
3281 Arc::new(line_numbers)
3282 }
3283
3284 fn layout_crease_toggles(
3285 &self,
3286 rows: Range<DisplayRow>,
3287 row_infos: &[RowInfo],
3288 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3289 snapshot: &EditorSnapshot,
3290 window: &mut Window,
3291 cx: &mut App,
3292 ) -> Vec<Option<AnyElement>> {
3293 let include_fold_statuses = EditorSettings::get_global(cx).gutter.folds
3294 && snapshot.mode.is_full()
3295 && self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
3296 if include_fold_statuses {
3297 row_infos
3298 .iter()
3299 .enumerate()
3300 .map(|(ix, info)| {
3301 if info.expand_info.is_some() {
3302 return None;
3303 }
3304 let row = info.multibuffer_row?;
3305 let display_row = DisplayRow(rows.start.0 + ix as u32);
3306 let active = active_rows.contains_key(&display_row);
3307
3308 snapshot.render_crease_toggle(row, active, self.editor.clone(), window, cx)
3309 })
3310 .collect()
3311 } else {
3312 Vec::new()
3313 }
3314 }
3315
3316 fn layout_crease_trailers(
3317 &self,
3318 buffer_rows: impl IntoIterator<Item = RowInfo>,
3319 snapshot: &EditorSnapshot,
3320 window: &mut Window,
3321 cx: &mut App,
3322 ) -> Vec<Option<AnyElement>> {
3323 buffer_rows
3324 .into_iter()
3325 .map(|row_info| {
3326 if row_info.expand_info.is_some() {
3327 return None;
3328 }
3329 if let Some(row) = row_info.multibuffer_row {
3330 snapshot.render_crease_trailer(row, window, cx)
3331 } else {
3332 None
3333 }
3334 })
3335 .collect()
3336 }
3337
3338 fn bg_segments_per_row(
3339 rows: Range<DisplayRow>,
3340 selections: &[(PlayerColor, Vec<SelectionLayout>)],
3341 highlight_ranges: &[(Range<DisplayPoint>, Hsla)],
3342 base_background: Hsla,
3343 ) -> Vec<Vec<(Range<DisplayPoint>, Hsla)>> {
3344 if rows.start >= rows.end {
3345 return Vec::new();
3346 }
3347 if !base_background.is_opaque() {
3348 // We don't actually know what color is behind this editor.
3349 return Vec::new();
3350 }
3351 let highlight_iter = highlight_ranges.iter().cloned();
3352 let selection_iter = selections.iter().flat_map(|(player_color, layouts)| {
3353 let color = player_color.selection;
3354 layouts.iter().filter_map(move |selection_layout| {
3355 if selection_layout.range.start != selection_layout.range.end {
3356 Some((selection_layout.range.clone(), color))
3357 } else {
3358 None
3359 }
3360 })
3361 });
3362 let mut per_row_map = vec![Vec::new(); rows.len()];
3363 for (range, color) in highlight_iter.chain(selection_iter) {
3364 let covered_rows = if range.end.column() == 0 {
3365 cmp::max(range.start.row(), rows.start)..cmp::min(range.end.row(), rows.end)
3366 } else {
3367 cmp::max(range.start.row(), rows.start)
3368 ..cmp::min(range.end.row().next_row(), rows.end)
3369 };
3370 for row in covered_rows.iter_rows() {
3371 let seg_start = if row == range.start.row() {
3372 range.start
3373 } else {
3374 DisplayPoint::new(row, 0)
3375 };
3376 let seg_end = if row == range.end.row() && range.end.column() != 0 {
3377 range.end
3378 } else {
3379 DisplayPoint::new(row, u32::MAX)
3380 };
3381 let ix = row.minus(rows.start) as usize;
3382 debug_assert!(row >= rows.start && row < rows.end);
3383 debug_assert!(ix < per_row_map.len());
3384 per_row_map[ix].push((seg_start..seg_end, color));
3385 }
3386 }
3387 for row_segments in per_row_map.iter_mut() {
3388 if row_segments.is_empty() {
3389 continue;
3390 }
3391 let segments = mem::take(row_segments);
3392 let merged = Self::merge_overlapping_ranges(segments, base_background);
3393 *row_segments = merged;
3394 }
3395 per_row_map
3396 }
3397
3398 /// Merge overlapping ranges by splitting at all range boundaries and blending colors where
3399 /// multiple ranges overlap. The result contains non-overlapping ranges ordered from left to right.
3400 ///
3401 /// Expects `start.row() == end.row()` for each range.
3402 fn merge_overlapping_ranges(
3403 ranges: Vec<(Range<DisplayPoint>, Hsla)>,
3404 base_background: Hsla,
3405 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
3406 struct Boundary {
3407 pos: DisplayPoint,
3408 is_start: bool,
3409 index: usize,
3410 color: Hsla,
3411 }
3412
3413 let mut boundaries: SmallVec<[Boundary; 16]> = SmallVec::with_capacity(ranges.len() * 2);
3414 for (index, (range, color)) in ranges.iter().enumerate() {
3415 debug_assert!(
3416 range.start.row() == range.end.row(),
3417 "expects single-row ranges"
3418 );
3419 if range.start < range.end {
3420 boundaries.push(Boundary {
3421 pos: range.start,
3422 is_start: true,
3423 index,
3424 color: *color,
3425 });
3426 boundaries.push(Boundary {
3427 pos: range.end,
3428 is_start: false,
3429 index,
3430 color: *color,
3431 });
3432 }
3433 }
3434
3435 if boundaries.is_empty() {
3436 return Vec::new();
3437 }
3438
3439 boundaries
3440 .sort_unstable_by(|a, b| a.pos.cmp(&b.pos).then_with(|| a.is_start.cmp(&b.is_start)));
3441
3442 let mut processed_ranges: Vec<(Range<DisplayPoint>, Hsla)> = Vec::new();
3443 let mut active_ranges: SmallVec<[(usize, Hsla); 8]> = SmallVec::new();
3444
3445 let mut i = 0;
3446 let mut start_pos = boundaries[0].pos;
3447
3448 let boundaries_len = boundaries.len();
3449 while i < boundaries_len {
3450 let current_boundary_pos = boundaries[i].pos;
3451 if start_pos < current_boundary_pos {
3452 if !active_ranges.is_empty() {
3453 let mut color = base_background;
3454 for &(_, c) in &active_ranges {
3455 color = Hsla::blend(color, c);
3456 }
3457 if let Some((last_range, last_color)) = processed_ranges.last_mut() {
3458 if *last_color == color && last_range.end == start_pos {
3459 last_range.end = current_boundary_pos;
3460 } else {
3461 processed_ranges.push((start_pos..current_boundary_pos, color));
3462 }
3463 } else {
3464 processed_ranges.push((start_pos..current_boundary_pos, color));
3465 }
3466 }
3467 }
3468 while i < boundaries_len && boundaries[i].pos == current_boundary_pos {
3469 let active_range = &boundaries[i];
3470 if active_range.is_start {
3471 let idx = active_range.index;
3472 let pos = active_ranges
3473 .binary_search_by_key(&idx, |(i, _)| *i)
3474 .unwrap_or_else(|p| p);
3475 active_ranges.insert(pos, (idx, active_range.color));
3476 } else {
3477 let idx = active_range.index;
3478 if let Ok(pos) = active_ranges.binary_search_by_key(&idx, |(i, _)| *i) {
3479 active_ranges.remove(pos);
3480 }
3481 }
3482 i += 1;
3483 }
3484 start_pos = current_boundary_pos;
3485 }
3486
3487 processed_ranges
3488 }
3489
3490 fn layout_lines(
3491 rows: Range<DisplayRow>,
3492 snapshot: &EditorSnapshot,
3493 style: &EditorStyle,
3494 editor_width: Pixels,
3495 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3496 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
3497 window: &mut Window,
3498 cx: &mut App,
3499 ) -> Vec<LineWithInvisibles> {
3500 if rows.start >= rows.end {
3501 return Vec::new();
3502 }
3503
3504 // Show the placeholder when the editor is empty
3505 if snapshot.is_empty() {
3506 let font_size = style.text.font_size.to_pixels(window.rem_size());
3507 let placeholder_color = cx.theme().colors().text_placeholder;
3508 let placeholder_text = snapshot.placeholder_text();
3509
3510 let placeholder_lines = placeholder_text
3511 .as_ref()
3512 .map_or(Vec::new(), |text| text.split('\n').collect::<Vec<_>>());
3513
3514 let placeholder_line_count = placeholder_lines.len();
3515
3516 placeholder_lines
3517 .into_iter()
3518 .skip(rows.start.0 as usize)
3519 .chain(iter::repeat(""))
3520 .take(cmp::max(rows.len(), placeholder_line_count))
3521 .map(move |line| {
3522 let run = TextRun {
3523 len: line.len(),
3524 font: style.text.font(),
3525 color: placeholder_color,
3526 background_color: None,
3527 underline: None,
3528 strikethrough: None,
3529 };
3530 let line = window.text_system().shape_line(
3531 line.to_string().into(),
3532 font_size,
3533 &[run],
3534 None,
3535 );
3536 LineWithInvisibles {
3537 width: line.width,
3538 len: line.len,
3539 fragments: smallvec![LineFragment::Text(line)],
3540 invisibles: Vec::new(),
3541 font_size,
3542 }
3543 })
3544 .collect()
3545 } else {
3546 let chunks = snapshot.highlighted_chunks(rows.clone(), true, style);
3547 LineWithInvisibles::from_chunks(
3548 chunks,
3549 style,
3550 MAX_LINE_LEN,
3551 rows.len(),
3552 &snapshot.mode,
3553 editor_width,
3554 is_row_soft_wrapped,
3555 bg_segments_per_row,
3556 window,
3557 cx,
3558 )
3559 }
3560 }
3561
3562 fn prepaint_lines(
3563 &self,
3564 start_row: DisplayRow,
3565 line_layouts: &mut [LineWithInvisibles],
3566 line_height: Pixels,
3567 scroll_position: gpui::Point<ScrollOffset>,
3568 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
3569 content_origin: gpui::Point<Pixels>,
3570 window: &mut Window,
3571 cx: &mut App,
3572 ) -> SmallVec<[AnyElement; 1]> {
3573 let mut line_elements = SmallVec::new();
3574 for (ix, line) in line_layouts.iter_mut().enumerate() {
3575 let row = start_row + DisplayRow(ix as u32);
3576 line.prepaint(
3577 line_height,
3578 scroll_position,
3579 scroll_pixel_position,
3580 row,
3581 content_origin,
3582 &mut line_elements,
3583 window,
3584 cx,
3585 );
3586 }
3587 line_elements
3588 }
3589
3590 fn render_block(
3591 &self,
3592 block: &Block,
3593 available_width: AvailableSpace,
3594 block_id: BlockId,
3595 block_row_start: DisplayRow,
3596 snapshot: &EditorSnapshot,
3597 text_x: Pixels,
3598 rows: &Range<DisplayRow>,
3599 line_layouts: &[LineWithInvisibles],
3600 editor_margins: &EditorMargins,
3601 line_height: Pixels,
3602 em_width: Pixels,
3603 text_hitbox: &Hitbox,
3604 editor_width: Pixels,
3605 scroll_width: &mut Pixels,
3606 resized_blocks: &mut HashMap<CustomBlockId, u32>,
3607 row_block_types: &mut HashMap<DisplayRow, bool>,
3608 selections: &[Selection<Point>],
3609 selected_buffer_ids: &Vec<BufferId>,
3610 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3611 sticky_header_excerpt_id: Option<ExcerptId>,
3612 window: &mut Window,
3613 cx: &mut App,
3614 ) -> Option<(AnyElement, Size<Pixels>, DisplayRow, Pixels)> {
3615 let mut x_position = None;
3616 let mut element = match block {
3617 Block::Custom(custom) => {
3618 let block_start = custom.start().to_point(&snapshot.buffer_snapshot());
3619 let block_end = custom.end().to_point(&snapshot.buffer_snapshot());
3620 if block.place_near() && snapshot.is_line_folded(MultiBufferRow(block_start.row)) {
3621 return None;
3622 }
3623 let align_to = block_start.to_display_point(snapshot);
3624 let x_and_width = |layout: &LineWithInvisibles| {
3625 Some((
3626 text_x + layout.x_for_index(align_to.column() as usize),
3627 text_x + layout.width,
3628 ))
3629 };
3630 let line_ix = align_to.row().0.checked_sub(rows.start.0);
3631 x_position =
3632 if let Some(layout) = line_ix.and_then(|ix| line_layouts.get(ix as usize)) {
3633 x_and_width(layout)
3634 } else {
3635 x_and_width(&layout_line(
3636 align_to.row(),
3637 snapshot,
3638 &self.style,
3639 editor_width,
3640 is_row_soft_wrapped,
3641 window,
3642 cx,
3643 ))
3644 };
3645
3646 let anchor_x = x_position.unwrap().0;
3647
3648 let selected = selections
3649 .binary_search_by(|selection| {
3650 if selection.end <= block_start {
3651 Ordering::Less
3652 } else if selection.start >= block_end {
3653 Ordering::Greater
3654 } else {
3655 Ordering::Equal
3656 }
3657 })
3658 .is_ok();
3659
3660 div()
3661 .size_full()
3662 .child(custom.render(&mut BlockContext {
3663 window,
3664 app: cx,
3665 anchor_x,
3666 margins: editor_margins,
3667 line_height,
3668 em_width,
3669 block_id,
3670 selected,
3671 max_width: text_hitbox.size.width.max(*scroll_width),
3672 editor_style: &self.style,
3673 }))
3674 .into_any()
3675 }
3676
3677 Block::FoldedBuffer {
3678 first_excerpt,
3679 height,
3680 ..
3681 } => {
3682 let selected = selected_buffer_ids.contains(&first_excerpt.buffer_id);
3683 let result = v_flex().id(block_id).w_full().pr(editor_margins.right);
3684
3685 let jump_data = header_jump_data(snapshot, block_row_start, *height, first_excerpt);
3686 result
3687 .child(self.render_buffer_header(
3688 first_excerpt,
3689 true,
3690 selected,
3691 false,
3692 jump_data,
3693 window,
3694 cx,
3695 ))
3696 .into_any_element()
3697 }
3698
3699 Block::ExcerptBoundary { .. } => {
3700 let color = cx.theme().colors().clone();
3701 let mut result = v_flex().id(block_id).w_full();
3702
3703 result = result.child(
3704 h_flex().relative().child(
3705 div()
3706 .top(line_height / 2.)
3707 .absolute()
3708 .w_full()
3709 .h_px()
3710 .bg(color.border_variant),
3711 ),
3712 );
3713
3714 result.into_any()
3715 }
3716
3717 Block::BufferHeader { excerpt, height } => {
3718 let mut result = v_flex().id(block_id).w_full();
3719
3720 let jump_data = header_jump_data(snapshot, block_row_start, *height, excerpt);
3721
3722 if sticky_header_excerpt_id != Some(excerpt.id) {
3723 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
3724
3725 result = result.child(div().pr(editor_margins.right).child(
3726 self.render_buffer_header(
3727 excerpt, false, selected, false, jump_data, window, cx,
3728 ),
3729 ));
3730 } else {
3731 result =
3732 result.child(div().h(FILE_HEADER_HEIGHT as f32 * window.line_height()));
3733 }
3734
3735 result.into_any()
3736 }
3737 };
3738
3739 // Discover the element's content height, then round up to the nearest multiple of line height.
3740 let preliminary_size = element.layout_as_root(
3741 size(available_width, AvailableSpace::MinContent),
3742 window,
3743 cx,
3744 );
3745 let quantized_height = (preliminary_size.height / line_height).ceil() * line_height;
3746 let final_size = if preliminary_size.height == quantized_height {
3747 preliminary_size
3748 } else {
3749 element.layout_as_root(size(available_width, quantized_height.into()), window, cx)
3750 };
3751 let mut element_height_in_lines = ((final_size.height / line_height).ceil() as u32).max(1);
3752
3753 let mut row = block_row_start;
3754 let mut x_offset = px(0.);
3755 let mut is_block = true;
3756
3757 if let BlockId::Custom(custom_block_id) = block_id
3758 && block.has_height()
3759 {
3760 if block.place_near()
3761 && let Some((x_target, line_width)) = x_position
3762 {
3763 let margin = em_width * 2;
3764 if line_width + final_size.width + margin
3765 < editor_width + editor_margins.gutter.full_width()
3766 && !row_block_types.contains_key(&(row - 1))
3767 && element_height_in_lines == 1
3768 {
3769 x_offset = line_width + margin;
3770 row = row - 1;
3771 is_block = false;
3772 element_height_in_lines = 0;
3773 row_block_types.insert(row, is_block);
3774 } else {
3775 let max_offset =
3776 editor_width + editor_margins.gutter.full_width() - final_size.width;
3777 let min_offset = (x_target + em_width - final_size.width)
3778 .max(editor_margins.gutter.full_width());
3779 x_offset = x_target.min(max_offset).max(min_offset);
3780 }
3781 };
3782 if element_height_in_lines != block.height() {
3783 resized_blocks.insert(custom_block_id, element_height_in_lines);
3784 }
3785 }
3786 for i in 0..element_height_in_lines {
3787 row_block_types.insert(row + i, is_block);
3788 }
3789
3790 Some((element, final_size, row, x_offset))
3791 }
3792
3793 fn render_buffer_header(
3794 &self,
3795 for_excerpt: &ExcerptInfo,
3796 is_folded: bool,
3797 is_selected: bool,
3798 is_sticky: bool,
3799 jump_data: JumpData,
3800 window: &mut Window,
3801 cx: &mut App,
3802 ) -> impl IntoElement {
3803 let editor = self.editor.read(cx);
3804 let multi_buffer = editor.buffer.read(cx);
3805 let file_status = multi_buffer
3806 .all_diff_hunks_expanded()
3807 .then(|| {
3808 editor
3809 .project
3810 .as_ref()?
3811 .read(cx)
3812 .status_for_buffer_id(for_excerpt.buffer_id, cx)
3813 })
3814 .flatten();
3815 let indicator = multi_buffer
3816 .buffer(for_excerpt.buffer_id)
3817 .and_then(|buffer| {
3818 let buffer = buffer.read(cx);
3819 let indicator_color = match (buffer.has_conflict(), buffer.is_dirty()) {
3820 (true, _) => Some(Color::Warning),
3821 (_, true) => Some(Color::Accent),
3822 (false, false) => None,
3823 };
3824 indicator_color.map(|indicator_color| Indicator::dot().color(indicator_color))
3825 });
3826
3827 let include_root = editor
3828 .project
3829 .as_ref()
3830 .map(|project| project.read(cx).visible_worktrees(cx).count() > 1)
3831 .unwrap_or_default();
3832 let file = for_excerpt.buffer.file();
3833 let can_open_excerpts = Editor::can_open_excerpts_in_file(file);
3834 let path_style = file.map(|file| file.path_style(cx));
3835 let relative_path = for_excerpt.buffer.resolve_file_path(include_root, cx);
3836 let (parent_path, filename) = if let Some(path) = &relative_path {
3837 if let Some(path_style) = path_style {
3838 let (dir, file_name) = path_style.split(path);
3839 (dir.map(|dir| dir.to_owned()), Some(file_name.to_owned()))
3840 } else {
3841 (None, Some(path.clone()))
3842 }
3843 } else {
3844 (None, None)
3845 };
3846 let focus_handle = editor.focus_handle(cx);
3847 let colors = cx.theme().colors();
3848
3849 let header = div()
3850 .p_1()
3851 .w_full()
3852 .h(FILE_HEADER_HEIGHT as f32 * window.line_height())
3853 .child(
3854 h_flex()
3855 .size_full()
3856 .gap_2()
3857 .flex_basis(Length::Definite(DefiniteLength::Fraction(0.667)))
3858 .pl_0p5()
3859 .pr_5()
3860 .rounded_sm()
3861 .when(is_sticky, |el| el.shadow_md())
3862 .border_1()
3863 .map(|div| {
3864 let border_color = if is_selected
3865 && is_folded
3866 && focus_handle.contains_focused(window, cx)
3867 {
3868 colors.border_focused
3869 } else {
3870 colors.border
3871 };
3872 div.border_color(border_color)
3873 })
3874 .bg(colors.editor_subheader_background)
3875 .hover(|style| style.bg(colors.element_hover))
3876 .map(|header| {
3877 let editor = self.editor.clone();
3878 let buffer_id = for_excerpt.buffer_id;
3879 let toggle_chevron_icon =
3880 FileIcons::get_chevron_icon(!is_folded, cx).map(Icon::from_path);
3881 header.child(
3882 div()
3883 .hover(|style| style.bg(colors.element_selected))
3884 .rounded_xs()
3885 .child(
3886 ButtonLike::new("toggle-buffer-fold")
3887 .style(ui::ButtonStyle::Transparent)
3888 .height(px(28.).into())
3889 .width(px(28.))
3890 .children(toggle_chevron_icon)
3891 .tooltip({
3892 let focus_handle = focus_handle.clone();
3893 move |window, cx| {
3894 Tooltip::with_meta_in(
3895 "Toggle Excerpt Fold",
3896 Some(&ToggleFold),
3897 format!(
3898 "{} to toggle all",
3899 text_for_keystroke(
3900 &Modifiers::alt(),
3901 "click",
3902 cx
3903 )
3904 ),
3905 &focus_handle,
3906 window,
3907 cx,
3908 )
3909 }
3910 })
3911 .on_click(move |event, window, cx| {
3912 if event.modifiers().alt {
3913 // Alt+click toggles all buffers
3914 editor.update(cx, |editor, cx| {
3915 editor.toggle_fold_all(
3916 &ToggleFoldAll,
3917 window,
3918 cx,
3919 );
3920 });
3921 } else {
3922 // Regular click toggles single buffer
3923 if is_folded {
3924 editor.update(cx, |editor, cx| {
3925 editor.unfold_buffer(buffer_id, cx);
3926 });
3927 } else {
3928 editor.update(cx, |editor, cx| {
3929 editor.fold_buffer(buffer_id, cx);
3930 });
3931 }
3932 }
3933 }),
3934 ),
3935 )
3936 })
3937 .children(
3938 editor
3939 .addons
3940 .values()
3941 .filter_map(|addon| {
3942 addon.render_buffer_header_controls(for_excerpt, window, cx)
3943 })
3944 .take(1),
3945 )
3946 .child(h_flex().size(px(12.0)).justify_center().children(indicator))
3947 .child(
3948 h_flex()
3949 .cursor_pointer()
3950 .id("path header block")
3951 .size_full()
3952 .justify_between()
3953 .overflow_hidden()
3954 .child(
3955 h_flex()
3956 .gap_2()
3957 .map(|path_header| {
3958 let filename = filename
3959 .map(SharedString::from)
3960 .unwrap_or_else(|| "untitled".into());
3961
3962 path_header
3963 .when(ItemSettings::get_global(cx).file_icons, |el| {
3964 let path = path::Path::new(filename.as_str());
3965 let icon = FileIcons::get_icon(path, cx)
3966 .unwrap_or_default();
3967 let icon =
3968 Icon::from_path(icon).color(Color::Muted);
3969 el.child(icon)
3970 })
3971 .child(Label::new(filename).single_line().when_some(
3972 file_status,
3973 |el, status| {
3974 el.color(if status.is_conflicted() {
3975 Color::Conflict
3976 } else if status.is_modified() {
3977 Color::Modified
3978 } else if status.is_deleted() {
3979 Color::Disabled
3980 } else {
3981 Color::Created
3982 })
3983 .when(status.is_deleted(), |el| {
3984 el.strikethrough()
3985 })
3986 },
3987 ))
3988 })
3989 .when_some(parent_path, |then, path| {
3990 then.child(div().child(path).text_color(
3991 if file_status.is_some_and(FileStatus::is_deleted) {
3992 colors.text_disabled
3993 } else {
3994 colors.text_muted
3995 },
3996 ))
3997 }),
3998 )
3999 .when(
4000 can_open_excerpts && is_selected && relative_path.is_some(),
4001 |el| {
4002 el.child(
4003 h_flex()
4004 .id("jump-to-file-button")
4005 .gap_2p5()
4006 .child(Label::new("Jump To File"))
4007 .children(
4008 KeyBinding::for_action_in(
4009 &OpenExcerpts,
4010 &focus_handle,
4011 window,
4012 cx,
4013 )
4014 .map(|binding| binding.into_any_element()),
4015 ),
4016 )
4017 },
4018 )
4019 .on_mouse_down(MouseButton::Left, |_, _, cx| cx.stop_propagation())
4020 .on_click(window.listener_for(&self.editor, {
4021 move |editor, e: &ClickEvent, window, cx| {
4022 editor.open_excerpts_common(
4023 Some(jump_data.clone()),
4024 e.modifiers().secondary(),
4025 window,
4026 cx,
4027 );
4028 }
4029 })),
4030 ),
4031 );
4032
4033 let file = for_excerpt.buffer.file().cloned();
4034 let editor = self.editor.clone();
4035 right_click_menu("buffer-header-context-menu")
4036 .trigger(move |_, _, _| header)
4037 .menu(move |window, cx| {
4038 let menu_context = focus_handle.clone();
4039 let editor = editor.clone();
4040 let file = file.clone();
4041 ContextMenu::build(window, cx, move |mut menu, window, cx| {
4042 if let Some(file) = file
4043 && let Some(project) = editor.read(cx).project()
4044 && let Some(worktree) =
4045 project.read(cx).worktree_for_id(file.worktree_id(cx), cx)
4046 {
4047 let path_style = file.path_style(cx);
4048 let worktree = worktree.read(cx);
4049 let relative_path = file.path();
4050 let entry_for_path = worktree.entry_for_path(relative_path);
4051 let abs_path = entry_for_path.map(|e| {
4052 e.canonical_path.as_deref().map_or_else(
4053 || worktree.absolutize(relative_path),
4054 Path::to_path_buf,
4055 )
4056 });
4057 let has_relative_path = worktree.root_entry().is_some_and(Entry::is_dir);
4058
4059 let parent_abs_path = abs_path
4060 .as_ref()
4061 .and_then(|abs_path| Some(abs_path.parent()?.to_path_buf()));
4062 let relative_path = has_relative_path
4063 .then_some(relative_path)
4064 .map(ToOwned::to_owned);
4065
4066 let visible_in_project_panel =
4067 relative_path.is_some() && worktree.is_visible();
4068 let reveal_in_project_panel = entry_for_path
4069 .filter(|_| visible_in_project_panel)
4070 .map(|entry| entry.id);
4071 menu = menu
4072 .when_some(abs_path, |menu, abs_path| {
4073 menu.entry(
4074 "Copy Path",
4075 Some(Box::new(zed_actions::workspace::CopyPath)),
4076 window.handler_for(&editor, move |_, _, cx| {
4077 cx.write_to_clipboard(ClipboardItem::new_string(
4078 abs_path.to_string_lossy().into_owned(),
4079 ));
4080 }),
4081 )
4082 })
4083 .when_some(relative_path, |menu, relative_path| {
4084 menu.entry(
4085 "Copy Relative Path",
4086 Some(Box::new(zed_actions::workspace::CopyRelativePath)),
4087 window.handler_for(&editor, move |_, _, cx| {
4088 cx.write_to_clipboard(ClipboardItem::new_string(
4089 relative_path.display(path_style).to_string(),
4090 ));
4091 }),
4092 )
4093 })
4094 .when(
4095 reveal_in_project_panel.is_some() || parent_abs_path.is_some(),
4096 |menu| menu.separator(),
4097 )
4098 .when_some(reveal_in_project_panel, |menu, entry_id| {
4099 menu.entry(
4100 "Reveal In Project Panel",
4101 Some(Box::new(RevealInProjectPanel::default())),
4102 window.handler_for(&editor, move |editor, _, cx| {
4103 if let Some(project) = &mut editor.project {
4104 project.update(cx, |_, cx| {
4105 cx.emit(project::Event::RevealInProjectPanel(
4106 entry_id,
4107 ))
4108 });
4109 }
4110 }),
4111 )
4112 })
4113 .when_some(parent_abs_path, |menu, parent_abs_path| {
4114 menu.entry(
4115 "Open in Terminal",
4116 Some(Box::new(OpenInTerminal)),
4117 window.handler_for(&editor, move |_, window, cx| {
4118 window.dispatch_action(
4119 OpenTerminal {
4120 working_directory: parent_abs_path.clone(),
4121 }
4122 .boxed_clone(),
4123 cx,
4124 );
4125 }),
4126 )
4127 });
4128 }
4129
4130 menu.context(menu_context)
4131 })
4132 })
4133 }
4134
4135 fn render_blocks(
4136 &self,
4137 rows: Range<DisplayRow>,
4138 snapshot: &EditorSnapshot,
4139 hitbox: &Hitbox,
4140 text_hitbox: &Hitbox,
4141 editor_width: Pixels,
4142 scroll_width: &mut Pixels,
4143 editor_margins: &EditorMargins,
4144 em_width: Pixels,
4145 text_x: Pixels,
4146 line_height: Pixels,
4147 line_layouts: &mut [LineWithInvisibles],
4148 selections: &[Selection<Point>],
4149 selected_buffer_ids: &Vec<BufferId>,
4150 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
4151 sticky_header_excerpt_id: Option<ExcerptId>,
4152 window: &mut Window,
4153 cx: &mut App,
4154 ) -> Result<(Vec<BlockLayout>, HashMap<DisplayRow, bool>), HashMap<CustomBlockId, u32>> {
4155 let (fixed_blocks, non_fixed_blocks) = snapshot
4156 .blocks_in_range(rows.clone())
4157 .partition::<Vec<_>, _>(|(_, block)| block.style() == BlockStyle::Fixed);
4158
4159 let mut focused_block = self
4160 .editor
4161 .update(cx, |editor, _| editor.take_focused_block());
4162 let mut fixed_block_max_width = Pixels::ZERO;
4163 let mut blocks = Vec::new();
4164 let mut resized_blocks = HashMap::default();
4165 let mut row_block_types = HashMap::default();
4166
4167 for (row, block) in fixed_blocks {
4168 let block_id = block.id();
4169
4170 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4171 focused_block = None;
4172 }
4173
4174 if let Some((element, element_size, row, x_offset)) = self.render_block(
4175 block,
4176 AvailableSpace::MinContent,
4177 block_id,
4178 row,
4179 snapshot,
4180 text_x,
4181 &rows,
4182 line_layouts,
4183 editor_margins,
4184 line_height,
4185 em_width,
4186 text_hitbox,
4187 editor_width,
4188 scroll_width,
4189 &mut resized_blocks,
4190 &mut row_block_types,
4191 selections,
4192 selected_buffer_ids,
4193 is_row_soft_wrapped,
4194 sticky_header_excerpt_id,
4195 window,
4196 cx,
4197 ) {
4198 fixed_block_max_width = fixed_block_max_width.max(element_size.width + em_width);
4199 blocks.push(BlockLayout {
4200 id: block_id,
4201 x_offset,
4202 row: Some(row),
4203 element,
4204 available_space: size(AvailableSpace::MinContent, element_size.height.into()),
4205 style: BlockStyle::Fixed,
4206 overlaps_gutter: true,
4207 is_buffer_header: block.is_buffer_header(),
4208 });
4209 }
4210 }
4211
4212 for (row, block) in non_fixed_blocks {
4213 let style = block.style();
4214 let width = match (style, block.place_near()) {
4215 (_, true) => AvailableSpace::MinContent,
4216 (BlockStyle::Sticky, _) => hitbox.size.width.into(),
4217 (BlockStyle::Flex, _) => hitbox
4218 .size
4219 .width
4220 .max(fixed_block_max_width)
4221 .max(editor_margins.gutter.width + *scroll_width)
4222 .into(),
4223 (BlockStyle::Fixed, _) => unreachable!(),
4224 };
4225 let block_id = block.id();
4226
4227 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4228 focused_block = None;
4229 }
4230
4231 if let Some((element, element_size, row, x_offset)) = self.render_block(
4232 block,
4233 width,
4234 block_id,
4235 row,
4236 snapshot,
4237 text_x,
4238 &rows,
4239 line_layouts,
4240 editor_margins,
4241 line_height,
4242 em_width,
4243 text_hitbox,
4244 editor_width,
4245 scroll_width,
4246 &mut resized_blocks,
4247 &mut row_block_types,
4248 selections,
4249 selected_buffer_ids,
4250 is_row_soft_wrapped,
4251 sticky_header_excerpt_id,
4252 window,
4253 cx,
4254 ) {
4255 blocks.push(BlockLayout {
4256 id: block_id,
4257 x_offset,
4258 row: Some(row),
4259 element,
4260 available_space: size(width, element_size.height.into()),
4261 style,
4262 overlaps_gutter: !block.place_near(),
4263 is_buffer_header: block.is_buffer_header(),
4264 });
4265 }
4266 }
4267
4268 if let Some(focused_block) = focused_block
4269 && let Some(focus_handle) = focused_block.focus_handle.upgrade()
4270 && focus_handle.is_focused(window)
4271 && let Some(block) = snapshot.block_for_id(focused_block.id)
4272 {
4273 let style = block.style();
4274 let width = match style {
4275 BlockStyle::Fixed => AvailableSpace::MinContent,
4276 BlockStyle::Flex => AvailableSpace::Definite(
4277 hitbox
4278 .size
4279 .width
4280 .max(fixed_block_max_width)
4281 .max(editor_margins.gutter.width + *scroll_width),
4282 ),
4283 BlockStyle::Sticky => AvailableSpace::Definite(hitbox.size.width),
4284 };
4285
4286 if let Some((element, element_size, _, x_offset)) = self.render_block(
4287 &block,
4288 width,
4289 focused_block.id,
4290 rows.end,
4291 snapshot,
4292 text_x,
4293 &rows,
4294 line_layouts,
4295 editor_margins,
4296 line_height,
4297 em_width,
4298 text_hitbox,
4299 editor_width,
4300 scroll_width,
4301 &mut resized_blocks,
4302 &mut row_block_types,
4303 selections,
4304 selected_buffer_ids,
4305 is_row_soft_wrapped,
4306 sticky_header_excerpt_id,
4307 window,
4308 cx,
4309 ) {
4310 blocks.push(BlockLayout {
4311 id: block.id(),
4312 x_offset,
4313 row: None,
4314 element,
4315 available_space: size(width, element_size.height.into()),
4316 style,
4317 overlaps_gutter: true,
4318 is_buffer_header: block.is_buffer_header(),
4319 });
4320 }
4321 }
4322
4323 if resized_blocks.is_empty() {
4324 *scroll_width =
4325 (*scroll_width).max(fixed_block_max_width - editor_margins.gutter.width);
4326 Ok((blocks, row_block_types))
4327 } else {
4328 Err(resized_blocks)
4329 }
4330 }
4331
4332 fn layout_blocks(
4333 &self,
4334 blocks: &mut Vec<BlockLayout>,
4335 hitbox: &Hitbox,
4336 line_height: Pixels,
4337 scroll_position: gpui::Point<ScrollOffset>,
4338 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4339 window: &mut Window,
4340 cx: &mut App,
4341 ) {
4342 for block in blocks {
4343 let mut origin = if let Some(row) = block.row {
4344 hitbox.origin
4345 + point(
4346 block.x_offset,
4347 Pixels::from(
4348 (row.as_f64() - scroll_position.y)
4349 * ScrollPixelOffset::from(line_height),
4350 ),
4351 )
4352 } else {
4353 // Position the block outside the visible area
4354 hitbox.origin + point(Pixels::ZERO, hitbox.size.height)
4355 };
4356
4357 if !matches!(block.style, BlockStyle::Sticky) {
4358 origin += point(Pixels::from(-scroll_pixel_position.x), Pixels::ZERO);
4359 }
4360
4361 let focus_handle =
4362 block
4363 .element
4364 .prepaint_as_root(origin, block.available_space, window, cx);
4365
4366 if let Some(focus_handle) = focus_handle {
4367 self.editor.update(cx, |editor, _cx| {
4368 editor.set_focused_block(FocusedBlock {
4369 id: block.id,
4370 focus_handle: focus_handle.downgrade(),
4371 });
4372 });
4373 }
4374 }
4375 }
4376
4377 fn layout_sticky_buffer_header(
4378 &self,
4379 StickyHeaderExcerpt { excerpt }: StickyHeaderExcerpt<'_>,
4380 scroll_position: gpui::Point<ScrollOffset>,
4381 line_height: Pixels,
4382 right_margin: Pixels,
4383 snapshot: &EditorSnapshot,
4384 hitbox: &Hitbox,
4385 selected_buffer_ids: &Vec<BufferId>,
4386 blocks: &[BlockLayout],
4387 window: &mut Window,
4388 cx: &mut App,
4389 ) -> AnyElement {
4390 let jump_data = header_jump_data(
4391 snapshot,
4392 DisplayRow(scroll_position.y as u32),
4393 FILE_HEADER_HEIGHT + MULTI_BUFFER_EXCERPT_HEADER_HEIGHT,
4394 excerpt,
4395 );
4396
4397 let editor_bg_color = cx.theme().colors().editor_background;
4398
4399 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
4400
4401 let available_width = hitbox.bounds.size.width - right_margin;
4402
4403 let mut header = v_flex()
4404 .w_full()
4405 .relative()
4406 .child(
4407 div()
4408 .w(available_width)
4409 .h(FILE_HEADER_HEIGHT as f32 * line_height)
4410 .bg(linear_gradient(
4411 0.,
4412 linear_color_stop(editor_bg_color.opacity(0.), 0.),
4413 linear_color_stop(editor_bg_color, 0.6),
4414 ))
4415 .absolute()
4416 .top_0(),
4417 )
4418 .child(
4419 self.render_buffer_header(excerpt, false, selected, true, jump_data, window, cx)
4420 .into_any_element(),
4421 )
4422 .into_any_element();
4423
4424 let mut origin = hitbox.origin;
4425 // Move floating header up to avoid colliding with the next buffer header.
4426 for block in blocks.iter() {
4427 if !block.is_buffer_header {
4428 continue;
4429 }
4430
4431 let Some(display_row) = block.row.filter(|row| row.0 > scroll_position.y as u32) else {
4432 continue;
4433 };
4434
4435 let max_row = display_row.0.saturating_sub(FILE_HEADER_HEIGHT);
4436 let offset = scroll_position.y - max_row as f64;
4437
4438 if offset > 0.0 {
4439 origin.y -= Pixels::from(offset * ScrollPixelOffset::from(line_height));
4440 }
4441 break;
4442 }
4443
4444 let size = size(
4445 AvailableSpace::Definite(available_width),
4446 AvailableSpace::MinContent,
4447 );
4448
4449 header.prepaint_as_root(origin, size, window, cx);
4450
4451 header
4452 }
4453
4454 fn layout_cursor_popovers(
4455 &self,
4456 line_height: Pixels,
4457 text_hitbox: &Hitbox,
4458 content_origin: gpui::Point<Pixels>,
4459 right_margin: Pixels,
4460 start_row: DisplayRow,
4461 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4462 line_layouts: &[LineWithInvisibles],
4463 cursor: DisplayPoint,
4464 cursor_point: Point,
4465 style: &EditorStyle,
4466 window: &mut Window,
4467 cx: &mut App,
4468 ) -> Option<ContextMenuLayout> {
4469 let mut min_menu_height = Pixels::ZERO;
4470 let mut max_menu_height = Pixels::ZERO;
4471 let mut height_above_menu = Pixels::ZERO;
4472 let height_below_menu = Pixels::ZERO;
4473 let mut edit_prediction_popover_visible = false;
4474 let mut context_menu_visible = false;
4475 let context_menu_placement;
4476
4477 {
4478 let editor = self.editor.read(cx);
4479 if editor.edit_prediction_visible_in_cursor_popover(editor.has_active_edit_prediction())
4480 {
4481 height_above_menu +=
4482 editor.edit_prediction_cursor_popover_height() + POPOVER_Y_PADDING;
4483 edit_prediction_popover_visible = true;
4484 }
4485
4486 if editor.context_menu_visible()
4487 && let Some(crate::ContextMenuOrigin::Cursor) = editor.context_menu_origin()
4488 {
4489 let (min_height_in_lines, max_height_in_lines) = editor
4490 .context_menu_options
4491 .as_ref()
4492 .map_or((3, 12), |options| {
4493 (options.min_entries_visible, options.max_entries_visible)
4494 });
4495
4496 min_menu_height += line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4497 max_menu_height += line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4498 context_menu_visible = true;
4499 }
4500 context_menu_placement = editor
4501 .context_menu_options
4502 .as_ref()
4503 .and_then(|options| options.placement.clone());
4504 }
4505
4506 let visible = edit_prediction_popover_visible || context_menu_visible;
4507 if !visible {
4508 return None;
4509 }
4510
4511 let cursor_row_layout = &line_layouts[cursor.row().minus(start_row) as usize];
4512 let target_position = content_origin
4513 + gpui::Point {
4514 x: cmp::max(
4515 px(0.),
4516 Pixels::from(
4517 ScrollPixelOffset::from(
4518 cursor_row_layout.x_for_index(cursor.column() as usize),
4519 ) - scroll_pixel_position.x,
4520 ),
4521 ),
4522 y: cmp::max(
4523 px(0.),
4524 Pixels::from(
4525 cursor.row().next_row().as_f64() * ScrollPixelOffset::from(line_height)
4526 - scroll_pixel_position.y,
4527 ),
4528 ),
4529 };
4530
4531 let viewport_bounds =
4532 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4533 right: -right_margin - MENU_GAP,
4534 ..Default::default()
4535 });
4536
4537 let min_height = height_above_menu + min_menu_height + height_below_menu;
4538 let max_height = height_above_menu + max_menu_height + height_below_menu;
4539 let (laid_out_popovers, y_flipped) = self.layout_popovers_above_or_below_line(
4540 target_position,
4541 line_height,
4542 min_height,
4543 max_height,
4544 context_menu_placement,
4545 text_hitbox,
4546 viewport_bounds,
4547 window,
4548 cx,
4549 |height, max_width_for_stable_x, y_flipped, window, cx| {
4550 // First layout the menu to get its size - others can be at least this wide.
4551 let context_menu = if context_menu_visible {
4552 let menu_height = if y_flipped {
4553 height - height_below_menu
4554 } else {
4555 height - height_above_menu
4556 };
4557 let mut element = self
4558 .render_context_menu(line_height, menu_height, window, cx)
4559 .expect("Visible context menu should always render.");
4560 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4561 Some((CursorPopoverType::CodeContextMenu, element, size))
4562 } else {
4563 None
4564 };
4565 let min_width = context_menu
4566 .as_ref()
4567 .map_or(px(0.), |(_, _, size)| size.width);
4568 let max_width = max_width_for_stable_x.max(
4569 context_menu
4570 .as_ref()
4571 .map_or(px(0.), |(_, _, size)| size.width),
4572 );
4573
4574 let edit_prediction = if edit_prediction_popover_visible {
4575 self.editor.update(cx, move |editor, cx| {
4576 let accept_binding =
4577 editor.accept_edit_prediction_keybind(false, window, cx);
4578 let mut element = editor.render_edit_prediction_cursor_popover(
4579 min_width,
4580 max_width,
4581 cursor_point,
4582 style,
4583 accept_binding.keystroke(),
4584 window,
4585 cx,
4586 )?;
4587 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4588 Some((CursorPopoverType::EditPrediction, element, size))
4589 })
4590 } else {
4591 None
4592 };
4593 vec![edit_prediction, context_menu]
4594 .into_iter()
4595 .flatten()
4596 .collect::<Vec<_>>()
4597 },
4598 )?;
4599
4600 let (menu_ix, (_, menu_bounds)) = laid_out_popovers
4601 .iter()
4602 .find_position(|(x, _)| matches!(x, CursorPopoverType::CodeContextMenu))?;
4603 let last_ix = laid_out_popovers.len() - 1;
4604 let menu_is_last = menu_ix == last_ix;
4605 let first_popover_bounds = laid_out_popovers[0].1;
4606 let last_popover_bounds = laid_out_popovers[last_ix].1;
4607
4608 // Bounds to layout the aside around. When y_flipped, the aside goes either above or to the
4609 // right, and otherwise it goes below or to the right.
4610 let mut target_bounds = Bounds::from_corners(
4611 first_popover_bounds.origin,
4612 last_popover_bounds.bottom_right(),
4613 );
4614 target_bounds.size.width = menu_bounds.size.width;
4615
4616 // Like `target_bounds`, but with the max height it could occupy. Choosing an aside position
4617 // based on this is preferred for layout stability.
4618 let mut max_target_bounds = target_bounds;
4619 max_target_bounds.size.height = max_height;
4620 if y_flipped {
4621 max_target_bounds.origin.y -= max_height - target_bounds.size.height;
4622 }
4623
4624 // Add spacing around `target_bounds` and `max_target_bounds`.
4625 let mut extend_amount = Edges::all(MENU_GAP);
4626 if y_flipped {
4627 extend_amount.bottom = line_height;
4628 } else {
4629 extend_amount.top = line_height;
4630 }
4631 let target_bounds = target_bounds.extend(extend_amount);
4632 let max_target_bounds = max_target_bounds.extend(extend_amount);
4633
4634 let must_place_above_or_below =
4635 if y_flipped && !menu_is_last && menu_bounds.size.height < max_menu_height {
4636 laid_out_popovers[menu_ix + 1..]
4637 .iter()
4638 .any(|(_, popover_bounds)| popover_bounds.size.width > menu_bounds.size.width)
4639 } else {
4640 false
4641 };
4642
4643 let aside_bounds = self.layout_context_menu_aside(
4644 y_flipped,
4645 *menu_bounds,
4646 target_bounds,
4647 max_target_bounds,
4648 max_menu_height,
4649 must_place_above_or_below,
4650 text_hitbox,
4651 viewport_bounds,
4652 window,
4653 cx,
4654 );
4655
4656 if let Some(menu_bounds) = laid_out_popovers.iter().find_map(|(popover_type, bounds)| {
4657 if matches!(popover_type, CursorPopoverType::CodeContextMenu) {
4658 Some(*bounds)
4659 } else {
4660 None
4661 }
4662 }) {
4663 let bounds = if let Some(aside_bounds) = aside_bounds {
4664 menu_bounds.union(&aside_bounds)
4665 } else {
4666 menu_bounds
4667 };
4668 return Some(ContextMenuLayout { y_flipped, bounds });
4669 }
4670
4671 None
4672 }
4673
4674 fn layout_gutter_menu(
4675 &self,
4676 line_height: Pixels,
4677 text_hitbox: &Hitbox,
4678 content_origin: gpui::Point<Pixels>,
4679 right_margin: Pixels,
4680 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4681 gutter_overshoot: Pixels,
4682 window: &mut Window,
4683 cx: &mut App,
4684 ) {
4685 let editor = self.editor.read(cx);
4686 if !editor.context_menu_visible() {
4687 return;
4688 }
4689 let Some(crate::ContextMenuOrigin::GutterIndicator(gutter_row)) =
4690 editor.context_menu_origin()
4691 else {
4692 return;
4693 };
4694 // Context menu was spawned via a click on a gutter. Ensure it's a bit closer to the
4695 // indicator than just a plain first column of the text field.
4696 let target_position = content_origin
4697 + gpui::Point {
4698 x: -gutter_overshoot,
4699 y: Pixels::from(
4700 gutter_row.next_row().as_f64() * ScrollPixelOffset::from(line_height)
4701 - scroll_pixel_position.y,
4702 ),
4703 };
4704
4705 let (min_height_in_lines, max_height_in_lines) = editor
4706 .context_menu_options
4707 .as_ref()
4708 .map_or((3, 12), |options| {
4709 (options.min_entries_visible, options.max_entries_visible)
4710 });
4711
4712 let min_height = line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4713 let max_height = line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4714 let viewport_bounds =
4715 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4716 right: -right_margin - MENU_GAP,
4717 ..Default::default()
4718 });
4719 self.layout_popovers_above_or_below_line(
4720 target_position,
4721 line_height,
4722 min_height,
4723 max_height,
4724 editor
4725 .context_menu_options
4726 .as_ref()
4727 .and_then(|options| options.placement.clone()),
4728 text_hitbox,
4729 viewport_bounds,
4730 window,
4731 cx,
4732 move |height, _max_width_for_stable_x, _, window, cx| {
4733 let mut element = self
4734 .render_context_menu(line_height, height, window, cx)
4735 .expect("Visible context menu should always render.");
4736 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4737 vec![(CursorPopoverType::CodeContextMenu, element, size)]
4738 },
4739 );
4740 }
4741
4742 fn layout_popovers_above_or_below_line(
4743 &self,
4744 target_position: gpui::Point<Pixels>,
4745 line_height: Pixels,
4746 min_height: Pixels,
4747 max_height: Pixels,
4748 placement: Option<ContextMenuPlacement>,
4749 text_hitbox: &Hitbox,
4750 viewport_bounds: Bounds<Pixels>,
4751 window: &mut Window,
4752 cx: &mut App,
4753 make_sized_popovers: impl FnOnce(
4754 Pixels,
4755 Pixels,
4756 bool,
4757 &mut Window,
4758 &mut App,
4759 ) -> Vec<(CursorPopoverType, AnyElement, Size<Pixels>)>,
4760 ) -> Option<(Vec<(CursorPopoverType, Bounds<Pixels>)>, bool)> {
4761 let text_style = TextStyleRefinement {
4762 line_height: Some(DefiniteLength::Fraction(
4763 BufferLineHeight::Comfortable.value(),
4764 )),
4765 ..Default::default()
4766 };
4767 window.with_text_style(Some(text_style), |window| {
4768 // If the max height won't fit below and there is more space above, put it above the line.
4769 let bottom_y_when_flipped = target_position.y - line_height;
4770 let available_above = bottom_y_when_flipped - text_hitbox.top();
4771 let available_below = text_hitbox.bottom() - target_position.y;
4772 let y_overflows_below = max_height > available_below;
4773 let mut y_flipped = match placement {
4774 Some(ContextMenuPlacement::Above) => true,
4775 Some(ContextMenuPlacement::Below) => false,
4776 None => y_overflows_below && available_above > available_below,
4777 };
4778 let mut height = cmp::min(
4779 max_height,
4780 if y_flipped {
4781 available_above
4782 } else {
4783 available_below
4784 },
4785 );
4786
4787 // If the min height doesn't fit within text bounds, instead fit within the window.
4788 if height < min_height {
4789 let available_above = bottom_y_when_flipped;
4790 let available_below = viewport_bounds.bottom() - target_position.y;
4791 let (y_flipped_override, height_override) = match placement {
4792 Some(ContextMenuPlacement::Above) => {
4793 (true, cmp::min(available_above, min_height))
4794 }
4795 Some(ContextMenuPlacement::Below) => {
4796 (false, cmp::min(available_below, min_height))
4797 }
4798 None => {
4799 if available_below > min_height {
4800 (false, min_height)
4801 } else if available_above > min_height {
4802 (true, min_height)
4803 } else if available_above > available_below {
4804 (true, available_above)
4805 } else {
4806 (false, available_below)
4807 }
4808 }
4809 };
4810 y_flipped = y_flipped_override;
4811 height = height_override;
4812 }
4813
4814 let max_width_for_stable_x = viewport_bounds.right() - target_position.x;
4815
4816 // TODO: Use viewport_bounds.width as a max width so that it doesn't get clipped on the left
4817 // for very narrow windows.
4818 let popovers =
4819 make_sized_popovers(height, max_width_for_stable_x, y_flipped, window, cx);
4820 if popovers.is_empty() {
4821 return None;
4822 }
4823
4824 let max_width = popovers
4825 .iter()
4826 .map(|(_, _, size)| size.width)
4827 .max()
4828 .unwrap_or_default();
4829
4830 let mut current_position = gpui::Point {
4831 // Snap the right edge of the list to the right edge of the window if its horizontal bounds
4832 // overflow. Include space for the scrollbar.
4833 x: target_position
4834 .x
4835 .min((viewport_bounds.right() - max_width).max(Pixels::ZERO)),
4836 y: if y_flipped {
4837 bottom_y_when_flipped
4838 } else {
4839 target_position.y
4840 },
4841 };
4842
4843 let mut laid_out_popovers = popovers
4844 .into_iter()
4845 .map(|(popover_type, element, size)| {
4846 if y_flipped {
4847 current_position.y -= size.height;
4848 }
4849 let position = current_position;
4850 window.defer_draw(element, current_position, 1);
4851 if !y_flipped {
4852 current_position.y += size.height + MENU_GAP;
4853 } else {
4854 current_position.y -= MENU_GAP;
4855 }
4856 (popover_type, Bounds::new(position, size))
4857 })
4858 .collect::<Vec<_>>();
4859
4860 if y_flipped {
4861 laid_out_popovers.reverse();
4862 }
4863
4864 Some((laid_out_popovers, y_flipped))
4865 })
4866 }
4867
4868 fn layout_context_menu_aside(
4869 &self,
4870 y_flipped: bool,
4871 menu_bounds: Bounds<Pixels>,
4872 target_bounds: Bounds<Pixels>,
4873 max_target_bounds: Bounds<Pixels>,
4874 max_height: Pixels,
4875 must_place_above_or_below: bool,
4876 text_hitbox: &Hitbox,
4877 viewport_bounds: Bounds<Pixels>,
4878 window: &mut Window,
4879 cx: &mut App,
4880 ) -> Option<Bounds<Pixels>> {
4881 let available_within_viewport = target_bounds.space_within(&viewport_bounds);
4882 let positioned_aside = if available_within_viewport.right >= MENU_ASIDE_MIN_WIDTH
4883 && !must_place_above_or_below
4884 {
4885 let max_width = cmp::min(
4886 available_within_viewport.right - px(1.),
4887 MENU_ASIDE_MAX_WIDTH,
4888 );
4889 let mut aside = self.render_context_menu_aside(
4890 size(max_width, max_height - POPOVER_Y_PADDING),
4891 window,
4892 cx,
4893 )?;
4894 let size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4895 let right_position = point(target_bounds.right(), menu_bounds.origin.y);
4896 Some((aside, right_position, size))
4897 } else {
4898 let max_size = size(
4899 // TODO(mgsloan): Once the menu is bounded by viewport width the bound on viewport
4900 // won't be needed here.
4901 cmp::min(
4902 cmp::max(menu_bounds.size.width - px(2.), MENU_ASIDE_MIN_WIDTH),
4903 viewport_bounds.right(),
4904 ),
4905 cmp::min(
4906 max_height,
4907 cmp::max(
4908 available_within_viewport.top,
4909 available_within_viewport.bottom,
4910 ),
4911 ) - POPOVER_Y_PADDING,
4912 );
4913 let mut aside = self.render_context_menu_aside(max_size, window, cx)?;
4914 let actual_size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4915
4916 let top_position = point(
4917 menu_bounds.origin.x,
4918 target_bounds.top() - actual_size.height,
4919 );
4920 let bottom_position = point(menu_bounds.origin.x, target_bounds.bottom());
4921
4922 let fit_within = |available: Edges<Pixels>, wanted: Size<Pixels>| {
4923 // Prefer to fit on the same side of the line as the menu, then on the other side of
4924 // the line.
4925 if !y_flipped && wanted.height < available.bottom {
4926 Some(bottom_position)
4927 } else if !y_flipped && wanted.height < available.top {
4928 Some(top_position)
4929 } else if y_flipped && wanted.height < available.top {
4930 Some(top_position)
4931 } else if y_flipped && wanted.height < available.bottom {
4932 Some(bottom_position)
4933 } else {
4934 None
4935 }
4936 };
4937
4938 // Prefer choosing a direction using max sizes rather than actual size for stability.
4939 let available_within_text = max_target_bounds.space_within(&text_hitbox.bounds);
4940 let wanted = size(MENU_ASIDE_MAX_WIDTH, max_height);
4941 let aside_position = fit_within(available_within_text, wanted)
4942 // Fallback: fit max size in window.
4943 .or_else(|| fit_within(max_target_bounds.space_within(&viewport_bounds), wanted))
4944 // Fallback: fit actual size in window.
4945 .or_else(|| fit_within(available_within_viewport, actual_size));
4946
4947 aside_position.map(|position| (aside, position, actual_size))
4948 };
4949
4950 // Skip drawing if it doesn't fit anywhere.
4951 if let Some((aside, position, size)) = positioned_aside {
4952 let aside_bounds = Bounds::new(position, size);
4953 window.defer_draw(aside, position, 2);
4954 return Some(aside_bounds);
4955 }
4956
4957 None
4958 }
4959
4960 fn render_context_menu(
4961 &self,
4962 line_height: Pixels,
4963 height: Pixels,
4964 window: &mut Window,
4965 cx: &mut App,
4966 ) -> Option<AnyElement> {
4967 let max_height_in_lines = ((height - POPOVER_Y_PADDING) / line_height).floor() as u32;
4968 self.editor.update(cx, |editor, cx| {
4969 editor.render_context_menu(&self.style, max_height_in_lines, window, cx)
4970 })
4971 }
4972
4973 fn render_context_menu_aside(
4974 &self,
4975 max_size: Size<Pixels>,
4976 window: &mut Window,
4977 cx: &mut App,
4978 ) -> Option<AnyElement> {
4979 if max_size.width < px(100.) || max_size.height < px(12.) {
4980 None
4981 } else {
4982 self.editor.update(cx, |editor, cx| {
4983 editor.render_context_menu_aside(max_size, window, cx)
4984 })
4985 }
4986 }
4987
4988 fn layout_mouse_context_menu(
4989 &self,
4990 editor_snapshot: &EditorSnapshot,
4991 visible_range: Range<DisplayRow>,
4992 content_origin: gpui::Point<Pixels>,
4993 window: &mut Window,
4994 cx: &mut App,
4995 ) -> Option<AnyElement> {
4996 let position = self.editor.update(cx, |editor, _cx| {
4997 let visible_start_point = editor.display_to_pixel_point(
4998 DisplayPoint::new(visible_range.start, 0),
4999 editor_snapshot,
5000 window,
5001 )?;
5002 let visible_end_point = editor.display_to_pixel_point(
5003 DisplayPoint::new(visible_range.end, 0),
5004 editor_snapshot,
5005 window,
5006 )?;
5007
5008 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
5009 let (source_display_point, position) = match mouse_context_menu.position {
5010 MenuPosition::PinnedToScreen(point) => (None, point),
5011 MenuPosition::PinnedToEditor { source, offset } => {
5012 let source_display_point = source.to_display_point(editor_snapshot);
5013 let source_point = editor.to_pixel_point(source, editor_snapshot, window)?;
5014 let position = content_origin + source_point + offset;
5015 (Some(source_display_point), position)
5016 }
5017 };
5018
5019 let source_included = source_display_point.is_none_or(|source_display_point| {
5020 visible_range
5021 .to_inclusive()
5022 .contains(&source_display_point.row())
5023 });
5024 let position_included =
5025 visible_start_point.y <= position.y && position.y <= visible_end_point.y;
5026 if !source_included && !position_included {
5027 None
5028 } else {
5029 Some(position)
5030 }
5031 })?;
5032
5033 let text_style = TextStyleRefinement {
5034 line_height: Some(DefiniteLength::Fraction(
5035 BufferLineHeight::Comfortable.value(),
5036 )),
5037 ..Default::default()
5038 };
5039 window.with_text_style(Some(text_style), |window| {
5040 let mut element = self.editor.read_with(cx, |editor, _| {
5041 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
5042 let context_menu = mouse_context_menu.context_menu.clone();
5043
5044 Some(
5045 deferred(
5046 anchored()
5047 .position(position)
5048 .child(context_menu)
5049 .anchor(Corner::TopLeft)
5050 .snap_to_window_with_margin(px(8.)),
5051 )
5052 .with_priority(1)
5053 .into_any(),
5054 )
5055 })?;
5056
5057 element.prepaint_as_root(position, AvailableSpace::min_size(), window, cx);
5058 Some(element)
5059 })
5060 }
5061
5062 fn layout_hover_popovers(
5063 &self,
5064 snapshot: &EditorSnapshot,
5065 hitbox: &Hitbox,
5066 visible_display_row_range: Range<DisplayRow>,
5067 content_origin: gpui::Point<Pixels>,
5068 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5069 line_layouts: &[LineWithInvisibles],
5070 line_height: Pixels,
5071 em_width: Pixels,
5072 context_menu_layout: Option<ContextMenuLayout>,
5073 window: &mut Window,
5074 cx: &mut App,
5075 ) {
5076 struct MeasuredHoverPopover {
5077 element: AnyElement,
5078 size: Size<Pixels>,
5079 horizontal_offset: Pixels,
5080 }
5081
5082 let max_size = size(
5083 (120. * em_width) // Default size
5084 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5085 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5086 (16. * line_height) // Default size
5087 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5088 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5089 );
5090
5091 let hover_popovers = self.editor.update(cx, |editor, cx| {
5092 editor.hover_state.render(
5093 snapshot,
5094 visible_display_row_range.clone(),
5095 max_size,
5096 window,
5097 cx,
5098 )
5099 });
5100 let Some((position, hover_popovers)) = hover_popovers else {
5101 return;
5102 };
5103
5104 // This is safe because we check on layout whether the required row is available
5105 let hovered_row_layout =
5106 &line_layouts[position.row().minus(visible_display_row_range.start) as usize];
5107
5108 // Compute Hovered Point
5109 let x = hovered_row_layout.x_for_index(position.column() as usize)
5110 - Pixels::from(scroll_pixel_position.x);
5111 let y = Pixels::from(
5112 position.row().as_f64() * ScrollPixelOffset::from(line_height)
5113 - scroll_pixel_position.y,
5114 );
5115 let hovered_point = content_origin + point(x, y);
5116
5117 let mut overall_height = Pixels::ZERO;
5118 let mut measured_hover_popovers = Vec::new();
5119 for (position, mut hover_popover) in hover_popovers.into_iter().with_position() {
5120 let size = hover_popover.layout_as_root(AvailableSpace::min_size(), window, cx);
5121 let horizontal_offset =
5122 (hitbox.top_right().x - POPOVER_RIGHT_OFFSET - (hovered_point.x + size.width))
5123 .min(Pixels::ZERO);
5124 match position {
5125 itertools::Position::Middle | itertools::Position::Last => {
5126 overall_height += HOVER_POPOVER_GAP
5127 }
5128 _ => {}
5129 }
5130 overall_height += size.height;
5131 measured_hover_popovers.push(MeasuredHoverPopover {
5132 element: hover_popover,
5133 size,
5134 horizontal_offset,
5135 });
5136 }
5137
5138 fn draw_occluder(
5139 width: Pixels,
5140 origin: gpui::Point<Pixels>,
5141 window: &mut Window,
5142 cx: &mut App,
5143 ) {
5144 let mut occlusion = div()
5145 .size_full()
5146 .occlude()
5147 .on_mouse_move(|_, _, cx| cx.stop_propagation())
5148 .into_any_element();
5149 occlusion.layout_as_root(size(width, HOVER_POPOVER_GAP).into(), window, cx);
5150 window.defer_draw(occlusion, origin, 2);
5151 }
5152
5153 fn place_popovers_above(
5154 hovered_point: gpui::Point<Pixels>,
5155 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5156 window: &mut Window,
5157 cx: &mut App,
5158 ) {
5159 let mut current_y = hovered_point.y;
5160 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5161 let size = popover.size;
5162 let popover_origin = point(
5163 hovered_point.x + popover.horizontal_offset,
5164 current_y - size.height,
5165 );
5166
5167 window.defer_draw(popover.element, popover_origin, 2);
5168 if position != itertools::Position::Last {
5169 let origin = point(popover_origin.x, popover_origin.y - HOVER_POPOVER_GAP);
5170 draw_occluder(size.width, origin, window, cx);
5171 }
5172
5173 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5174 }
5175 }
5176
5177 fn place_popovers_below(
5178 hovered_point: gpui::Point<Pixels>,
5179 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5180 line_height: Pixels,
5181 window: &mut Window,
5182 cx: &mut App,
5183 ) {
5184 let mut current_y = hovered_point.y + line_height;
5185 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5186 let size = popover.size;
5187 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
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 + size.height);
5192 draw_occluder(size.width, origin, window, cx);
5193 }
5194
5195 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5196 }
5197 }
5198
5199 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5200 context_menu_layout
5201 .as_ref()
5202 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5203 };
5204
5205 let can_place_above = {
5206 let mut bounds_above = Vec::new();
5207 let mut current_y = hovered_point.y;
5208 for popover in &measured_hover_popovers {
5209 let size = popover.size;
5210 let popover_origin = point(
5211 hovered_point.x + popover.horizontal_offset,
5212 current_y - size.height,
5213 );
5214 bounds_above.push(Bounds::new(popover_origin, size));
5215 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5216 }
5217 bounds_above
5218 .iter()
5219 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5220 };
5221
5222 let can_place_below = || {
5223 let mut bounds_below = Vec::new();
5224 let mut current_y = hovered_point.y + line_height;
5225 for popover in &measured_hover_popovers {
5226 let size = popover.size;
5227 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5228 bounds_below.push(Bounds::new(popover_origin, size));
5229 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5230 }
5231 bounds_below
5232 .iter()
5233 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5234 };
5235
5236 if can_place_above {
5237 // try placing above hovered point
5238 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5239 } else if can_place_below() {
5240 // try placing below hovered point
5241 place_popovers_below(
5242 hovered_point,
5243 measured_hover_popovers,
5244 line_height,
5245 window,
5246 cx,
5247 );
5248 } else {
5249 // try to place popovers around the context menu
5250 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5251 let total_width = measured_hover_popovers
5252 .iter()
5253 .map(|p| p.size.width)
5254 .max()
5255 .unwrap_or(Pixels::ZERO);
5256 let y_for_horizontal_positioning = if menu.y_flipped {
5257 menu.bounds.bottom() - overall_height
5258 } else {
5259 menu.bounds.top()
5260 };
5261 let possible_origins = vec![
5262 // left of context menu
5263 point(
5264 menu.bounds.left() - total_width - HOVER_POPOVER_GAP,
5265 y_for_horizontal_positioning,
5266 ),
5267 // right of context menu
5268 point(
5269 menu.bounds.right() + HOVER_POPOVER_GAP,
5270 y_for_horizontal_positioning,
5271 ),
5272 // top of context menu
5273 point(
5274 menu.bounds.left(),
5275 menu.bounds.top() - overall_height - HOVER_POPOVER_GAP,
5276 ),
5277 // bottom of context menu
5278 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5279 ];
5280 possible_origins.into_iter().find(|&origin| {
5281 Bounds::new(origin, size(total_width, overall_height))
5282 .is_contained_within(hitbox)
5283 })
5284 });
5285 if let Some(origin) = origin_surrounding_menu {
5286 let mut current_y = origin.y;
5287 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5288 let size = popover.size;
5289 let popover_origin = point(origin.x, current_y);
5290
5291 window.defer_draw(popover.element, popover_origin, 2);
5292 if position != itertools::Position::Last {
5293 let origin = point(popover_origin.x, popover_origin.y + size.height);
5294 draw_occluder(size.width, origin, window, cx);
5295 }
5296
5297 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5298 }
5299 } else {
5300 // fallback to existing above/below cursor logic
5301 // this might overlap menu or overflow in rare case
5302 if can_place_above {
5303 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5304 } else {
5305 place_popovers_below(
5306 hovered_point,
5307 measured_hover_popovers,
5308 line_height,
5309 window,
5310 cx,
5311 );
5312 }
5313 }
5314 }
5315 }
5316
5317 fn layout_diff_hunk_controls(
5318 &self,
5319 row_range: Range<DisplayRow>,
5320 row_infos: &[RowInfo],
5321 text_hitbox: &Hitbox,
5322 newest_cursor_position: Option<DisplayPoint>,
5323 line_height: Pixels,
5324 right_margin: Pixels,
5325 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5326 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
5327 highlighted_rows: &BTreeMap<DisplayRow, LineHighlight>,
5328 editor: Entity<Editor>,
5329 window: &mut Window,
5330 cx: &mut App,
5331 ) -> (Vec<AnyElement>, Vec<(DisplayRow, Bounds<Pixels>)>) {
5332 let render_diff_hunk_controls = editor.read(cx).render_diff_hunk_controls.clone();
5333 let hovered_diff_hunk_row = editor.read(cx).hovered_diff_hunk_row;
5334
5335 let mut controls = vec![];
5336 let mut control_bounds = vec![];
5337
5338 let active_positions = [
5339 hovered_diff_hunk_row.map(|row| DisplayPoint::new(row, 0)),
5340 newest_cursor_position,
5341 ];
5342
5343 for (hunk, _) in display_hunks {
5344 if let DisplayDiffHunk::Unfolded {
5345 display_row_range,
5346 multi_buffer_range,
5347 status,
5348 is_created_file,
5349 ..
5350 } = &hunk
5351 {
5352 if display_row_range.start < row_range.start
5353 || display_row_range.start >= row_range.end
5354 {
5355 continue;
5356 }
5357 if highlighted_rows
5358 .get(&display_row_range.start)
5359 .and_then(|highlight| highlight.type_id)
5360 .is_some_and(|type_id| {
5361 [
5362 TypeId::of::<ConflictsOuter>(),
5363 TypeId::of::<ConflictsOursMarker>(),
5364 TypeId::of::<ConflictsOurs>(),
5365 TypeId::of::<ConflictsTheirs>(),
5366 TypeId::of::<ConflictsTheirsMarker>(),
5367 ]
5368 .contains(&type_id)
5369 })
5370 {
5371 continue;
5372 }
5373 let row_ix = (display_row_range.start - row_range.start).0 as usize;
5374 if row_infos[row_ix].diff_status.is_none() {
5375 continue;
5376 }
5377 if row_infos[row_ix]
5378 .diff_status
5379 .is_some_and(|status| status.is_added())
5380 && !status.is_added()
5381 {
5382 continue;
5383 }
5384
5385 if active_positions
5386 .iter()
5387 .any(|p| p.is_some_and(|p| display_row_range.contains(&p.row())))
5388 {
5389 let y = (display_row_range.start.as_f64()
5390 * ScrollPixelOffset::from(line_height)
5391 + ScrollPixelOffset::from(text_hitbox.bounds.top())
5392 - scroll_pixel_position.y)
5393 .into();
5394
5395 let mut element = render_diff_hunk_controls(
5396 display_row_range.start.0,
5397 status,
5398 multi_buffer_range.clone(),
5399 *is_created_file,
5400 line_height,
5401 &editor,
5402 window,
5403 cx,
5404 );
5405 let size =
5406 element.layout_as_root(size(px(100.0), line_height).into(), window, cx);
5407
5408 let x = text_hitbox.bounds.right() - right_margin - px(10.) - size.width;
5409
5410 let bounds = Bounds::new(gpui::Point::new(x, y), size);
5411 control_bounds.push((display_row_range.start, bounds));
5412
5413 window.with_absolute_element_offset(gpui::Point::new(x, y), |window| {
5414 element.prepaint(window, cx)
5415 });
5416 controls.push(element);
5417 }
5418 }
5419 }
5420
5421 (controls, control_bounds)
5422 }
5423
5424 fn layout_signature_help(
5425 &self,
5426 hitbox: &Hitbox,
5427 content_origin: gpui::Point<Pixels>,
5428 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5429 newest_selection_head: Option<DisplayPoint>,
5430 start_row: DisplayRow,
5431 line_layouts: &[LineWithInvisibles],
5432 line_height: Pixels,
5433 em_width: Pixels,
5434 context_menu_layout: Option<ContextMenuLayout>,
5435 window: &mut Window,
5436 cx: &mut App,
5437 ) {
5438 if !self.editor.focus_handle(cx).is_focused(window) {
5439 return;
5440 }
5441 let Some(newest_selection_head) = newest_selection_head else {
5442 return;
5443 };
5444
5445 let max_size = size(
5446 (120. * em_width) // Default size
5447 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5448 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5449 (16. * line_height) // Default size
5450 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5451 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5452 );
5453
5454 let maybe_element = self.editor.update(cx, |editor, cx| {
5455 if let Some(popover) = editor.signature_help_state.popover_mut() {
5456 let element = popover.render(max_size, window, cx);
5457 Some(element)
5458 } else {
5459 None
5460 }
5461 });
5462 let Some(mut element) = maybe_element else {
5463 return;
5464 };
5465
5466 let selection_row = newest_selection_head.row();
5467 let Some(cursor_row_layout) = (selection_row >= start_row)
5468 .then(|| line_layouts.get(selection_row.minus(start_row) as usize))
5469 .flatten()
5470 else {
5471 return;
5472 };
5473
5474 let target_x = cursor_row_layout.x_for_index(newest_selection_head.column() as usize)
5475 - Pixels::from(scroll_pixel_position.x);
5476 let target_y = Pixels::from(
5477 selection_row.as_f64() * ScrollPixelOffset::from(line_height) - scroll_pixel_position.y,
5478 );
5479 let target_point = content_origin + point(target_x, target_y);
5480
5481 let actual_size = element.layout_as_root(Size::<AvailableSpace>::default(), window, cx);
5482
5483 let (popover_bounds_above, popover_bounds_below) = {
5484 let horizontal_offset = (hitbox.top_right().x
5485 - POPOVER_RIGHT_OFFSET
5486 - (target_point.x + actual_size.width))
5487 .min(Pixels::ZERO);
5488 let initial_x = target_point.x + horizontal_offset;
5489 (
5490 Bounds::new(
5491 point(initial_x, target_point.y - actual_size.height),
5492 actual_size,
5493 ),
5494 Bounds::new(
5495 point(initial_x, target_point.y + line_height + HOVER_POPOVER_GAP),
5496 actual_size,
5497 ),
5498 )
5499 };
5500
5501 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5502 context_menu_layout
5503 .as_ref()
5504 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5505 };
5506
5507 let final_origin = if popover_bounds_above.is_contained_within(hitbox)
5508 && !intersects_menu(popover_bounds_above)
5509 {
5510 // try placing above cursor
5511 popover_bounds_above.origin
5512 } else if popover_bounds_below.is_contained_within(hitbox)
5513 && !intersects_menu(popover_bounds_below)
5514 {
5515 // try placing below cursor
5516 popover_bounds_below.origin
5517 } else {
5518 // try surrounding context menu if exists
5519 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5520 let y_for_horizontal_positioning = if menu.y_flipped {
5521 menu.bounds.bottom() - actual_size.height
5522 } else {
5523 menu.bounds.top()
5524 };
5525 let possible_origins = vec![
5526 // left of context menu
5527 point(
5528 menu.bounds.left() - actual_size.width - HOVER_POPOVER_GAP,
5529 y_for_horizontal_positioning,
5530 ),
5531 // right of context menu
5532 point(
5533 menu.bounds.right() + HOVER_POPOVER_GAP,
5534 y_for_horizontal_positioning,
5535 ),
5536 // top of context menu
5537 point(
5538 menu.bounds.left(),
5539 menu.bounds.top() - actual_size.height - HOVER_POPOVER_GAP,
5540 ),
5541 // bottom of context menu
5542 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5543 ];
5544 possible_origins
5545 .into_iter()
5546 .find(|&origin| Bounds::new(origin, actual_size).is_contained_within(hitbox))
5547 });
5548 origin_surrounding_menu.unwrap_or_else(|| {
5549 // fallback to existing above/below cursor logic
5550 // this might overlap menu or overflow in rare case
5551 if popover_bounds_above.is_contained_within(hitbox) {
5552 popover_bounds_above.origin
5553 } else {
5554 popover_bounds_below.origin
5555 }
5556 })
5557 };
5558
5559 window.defer_draw(element, final_origin, 2);
5560 }
5561
5562 fn paint_background(&self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
5563 window.paint_layer(layout.hitbox.bounds, |window| {
5564 let scroll_top = layout.position_map.snapshot.scroll_position().y;
5565 let gutter_bg = cx.theme().colors().editor_gutter_background;
5566 window.paint_quad(fill(layout.gutter_hitbox.bounds, gutter_bg));
5567 window.paint_quad(fill(
5568 layout.position_map.text_hitbox.bounds,
5569 self.style.background,
5570 ));
5571
5572 if matches!(
5573 layout.mode,
5574 EditorMode::Full { .. } | EditorMode::Minimap { .. }
5575 ) {
5576 let show_active_line_background = match layout.mode {
5577 EditorMode::Full {
5578 show_active_line_background,
5579 ..
5580 } => show_active_line_background,
5581 EditorMode::Minimap { .. } => true,
5582 _ => false,
5583 };
5584 let mut active_rows = layout.active_rows.iter().peekable();
5585 while let Some((start_row, contains_non_empty_selection)) = active_rows.next() {
5586 let mut end_row = start_row.0;
5587 while active_rows
5588 .peek()
5589 .is_some_and(|(active_row, has_selection)| {
5590 active_row.0 == end_row + 1
5591 && has_selection.selection == contains_non_empty_selection.selection
5592 })
5593 {
5594 active_rows.next().unwrap();
5595 end_row += 1;
5596 }
5597
5598 if show_active_line_background && !contains_non_empty_selection.selection {
5599 let highlight_h_range =
5600 match layout.position_map.snapshot.current_line_highlight {
5601 CurrentLineHighlight::Gutter => Some(Range {
5602 start: layout.hitbox.left(),
5603 end: layout.gutter_hitbox.right(),
5604 }),
5605 CurrentLineHighlight::Line => Some(Range {
5606 start: layout.position_map.text_hitbox.bounds.left(),
5607 end: layout.position_map.text_hitbox.bounds.right(),
5608 }),
5609 CurrentLineHighlight::All => Some(Range {
5610 start: layout.hitbox.left(),
5611 end: layout.hitbox.right(),
5612 }),
5613 CurrentLineHighlight::None => None,
5614 };
5615 if let Some(range) = highlight_h_range {
5616 let active_line_bg = cx.theme().colors().editor_active_line_background;
5617 let bounds = Bounds {
5618 origin: point(
5619 range.start,
5620 layout.hitbox.origin.y
5621 + Pixels::from(
5622 (start_row.as_f64() - scroll_top)
5623 * ScrollPixelOffset::from(
5624 layout.position_map.line_height,
5625 ),
5626 ),
5627 ),
5628 size: size(
5629 range.end - range.start,
5630 layout.position_map.line_height
5631 * (end_row - start_row.0 + 1) as f32,
5632 ),
5633 };
5634 window.paint_quad(fill(bounds, active_line_bg));
5635 }
5636 }
5637 }
5638
5639 let mut paint_highlight = |highlight_row_start: DisplayRow,
5640 highlight_row_end: DisplayRow,
5641 highlight: crate::LineHighlight,
5642 edges| {
5643 let mut origin_x = layout.hitbox.left();
5644 let mut width = layout.hitbox.size.width;
5645 if !highlight.include_gutter {
5646 origin_x += layout.gutter_hitbox.size.width;
5647 width -= layout.gutter_hitbox.size.width;
5648 }
5649
5650 let origin = point(
5651 origin_x,
5652 layout.hitbox.origin.y
5653 + Pixels::from(
5654 (highlight_row_start.as_f64() - scroll_top)
5655 * ScrollPixelOffset::from(layout.position_map.line_height),
5656 ),
5657 );
5658 let size = size(
5659 width,
5660 layout.position_map.line_height
5661 * highlight_row_end.next_row().minus(highlight_row_start) as f32,
5662 );
5663 let mut quad = fill(Bounds { origin, size }, highlight.background);
5664 if let Some(border_color) = highlight.border {
5665 quad.border_color = border_color;
5666 quad.border_widths = edges
5667 }
5668 window.paint_quad(quad);
5669 };
5670
5671 let mut current_paint: Option<(LineHighlight, Range<DisplayRow>, Edges<Pixels>)> =
5672 None;
5673 for (&new_row, &new_background) in &layout.highlighted_rows {
5674 match &mut current_paint {
5675 &mut Some((current_background, ref mut current_range, mut edges)) => {
5676 let new_range_started = current_background != new_background
5677 || current_range.end.next_row() != new_row;
5678 if new_range_started {
5679 if current_range.end.next_row() == new_row {
5680 edges.bottom = px(0.);
5681 };
5682 paint_highlight(
5683 current_range.start,
5684 current_range.end,
5685 current_background,
5686 edges,
5687 );
5688 let edges = Edges {
5689 top: if current_range.end.next_row() != new_row {
5690 px(1.)
5691 } else {
5692 px(0.)
5693 },
5694 bottom: px(1.),
5695 ..Default::default()
5696 };
5697 current_paint = Some((new_background, new_row..new_row, edges));
5698 continue;
5699 } else {
5700 current_range.end = current_range.end.next_row();
5701 }
5702 }
5703 None => {
5704 let edges = Edges {
5705 top: px(1.),
5706 bottom: px(1.),
5707 ..Default::default()
5708 };
5709 current_paint = Some((new_background, new_row..new_row, edges))
5710 }
5711 };
5712 }
5713 if let Some((color, range, edges)) = current_paint {
5714 paint_highlight(range.start, range.end, color, edges);
5715 }
5716
5717 for (guide_x, active) in layout.wrap_guides.iter() {
5718 let color = if *active {
5719 cx.theme().colors().editor_active_wrap_guide
5720 } else {
5721 cx.theme().colors().editor_wrap_guide
5722 };
5723 window.paint_quad(fill(
5724 Bounds {
5725 origin: point(*guide_x, layout.position_map.text_hitbox.origin.y),
5726 size: size(px(1.), layout.position_map.text_hitbox.size.height),
5727 },
5728 color,
5729 ));
5730 }
5731 }
5732 })
5733 }
5734
5735 fn paint_indent_guides(
5736 &mut self,
5737 layout: &mut EditorLayout,
5738 window: &mut Window,
5739 cx: &mut App,
5740 ) {
5741 let Some(indent_guides) = &layout.indent_guides else {
5742 return;
5743 };
5744
5745 let faded_color = |color: Hsla, alpha: f32| {
5746 let mut faded = color;
5747 faded.a = alpha;
5748 faded
5749 };
5750
5751 for indent_guide in indent_guides {
5752 let indent_accent_colors = cx.theme().accents().color_for_index(indent_guide.depth);
5753 let settings = &indent_guide.settings;
5754
5755 // TODO fixed for now, expose them through themes later
5756 const INDENT_AWARE_ALPHA: f32 = 0.2;
5757 const INDENT_AWARE_ACTIVE_ALPHA: f32 = 0.4;
5758 const INDENT_AWARE_BACKGROUND_ALPHA: f32 = 0.1;
5759 const INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA: f32 = 0.2;
5760
5761 let line_color = match (settings.coloring, indent_guide.active) {
5762 (IndentGuideColoring::Disabled, _) => None,
5763 (IndentGuideColoring::Fixed, false) => {
5764 Some(cx.theme().colors().editor_indent_guide)
5765 }
5766 (IndentGuideColoring::Fixed, true) => {
5767 Some(cx.theme().colors().editor_indent_guide_active)
5768 }
5769 (IndentGuideColoring::IndentAware, false) => {
5770 Some(faded_color(indent_accent_colors, INDENT_AWARE_ALPHA))
5771 }
5772 (IndentGuideColoring::IndentAware, true) => {
5773 Some(faded_color(indent_accent_colors, INDENT_AWARE_ACTIVE_ALPHA))
5774 }
5775 };
5776
5777 let background_color = match (settings.background_coloring, indent_guide.active) {
5778 (IndentGuideBackgroundColoring::Disabled, _) => None,
5779 (IndentGuideBackgroundColoring::IndentAware, false) => Some(faded_color(
5780 indent_accent_colors,
5781 INDENT_AWARE_BACKGROUND_ALPHA,
5782 )),
5783 (IndentGuideBackgroundColoring::IndentAware, true) => Some(faded_color(
5784 indent_accent_colors,
5785 INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA,
5786 )),
5787 };
5788
5789 let requested_line_width = if indent_guide.active {
5790 settings.active_line_width
5791 } else {
5792 settings.line_width
5793 }
5794 .clamp(1, 10);
5795 let mut line_indicator_width = 0.;
5796 if let Some(color) = line_color {
5797 window.paint_quad(fill(
5798 Bounds {
5799 origin: indent_guide.origin,
5800 size: size(px(requested_line_width as f32), indent_guide.length),
5801 },
5802 color,
5803 ));
5804 line_indicator_width = requested_line_width as f32;
5805 }
5806
5807 if let Some(color) = background_color {
5808 let width = indent_guide.single_indent_width - px(line_indicator_width);
5809 window.paint_quad(fill(
5810 Bounds {
5811 origin: point(
5812 indent_guide.origin.x + px(line_indicator_width),
5813 indent_guide.origin.y,
5814 ),
5815 size: size(width, indent_guide.length),
5816 },
5817 color,
5818 ));
5819 }
5820 }
5821 }
5822
5823 fn paint_line_numbers(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5824 let is_singleton = self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
5825
5826 let line_height = layout.position_map.line_height;
5827 window.set_cursor_style(CursorStyle::Arrow, &layout.gutter_hitbox);
5828
5829 for LineNumberLayout {
5830 shaped_line,
5831 hitbox,
5832 } in layout.line_numbers.values()
5833 {
5834 let Some(hitbox) = hitbox else {
5835 continue;
5836 };
5837
5838 let Some(()) = (if !is_singleton && hitbox.is_hovered(window) {
5839 let color = cx.theme().colors().editor_hover_line_number;
5840
5841 let line = self.shape_line_number(shaped_line.text.clone(), color, window);
5842 line.paint(hitbox.origin, line_height, window, cx).log_err()
5843 } else {
5844 shaped_line
5845 .paint(hitbox.origin, line_height, window, cx)
5846 .log_err()
5847 }) else {
5848 continue;
5849 };
5850
5851 // In singleton buffers, we select corresponding lines on the line number click, so use | -like cursor.
5852 // In multi buffers, we open file at the line number clicked, so use a pointing hand cursor.
5853 if is_singleton {
5854 window.set_cursor_style(CursorStyle::IBeam, hitbox);
5855 } else {
5856 window.set_cursor_style(CursorStyle::PointingHand, hitbox);
5857 }
5858 }
5859 }
5860
5861 fn paint_gutter_diff_hunks(layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5862 if layout.display_hunks.is_empty() {
5863 return;
5864 }
5865
5866 let line_height = layout.position_map.line_height;
5867 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5868 for (hunk, hitbox) in &layout.display_hunks {
5869 let hunk_to_paint = match hunk {
5870 DisplayDiffHunk::Folded { .. } => {
5871 let hunk_bounds = Self::diff_hunk_bounds(
5872 &layout.position_map.snapshot,
5873 line_height,
5874 layout.gutter_hitbox.bounds,
5875 hunk,
5876 );
5877 Some((
5878 hunk_bounds,
5879 cx.theme().colors().version_control_modified,
5880 Corners::all(px(0.)),
5881 DiffHunkStatus::modified_none(),
5882 ))
5883 }
5884 DisplayDiffHunk::Unfolded {
5885 status,
5886 display_row_range,
5887 ..
5888 } => hitbox.as_ref().map(|hunk_hitbox| match status.kind {
5889 DiffHunkStatusKind::Added => (
5890 hunk_hitbox.bounds,
5891 cx.theme().colors().version_control_added,
5892 Corners::all(px(0.)),
5893 *status,
5894 ),
5895 DiffHunkStatusKind::Modified => (
5896 hunk_hitbox.bounds,
5897 cx.theme().colors().version_control_modified,
5898 Corners::all(px(0.)),
5899 *status,
5900 ),
5901 DiffHunkStatusKind::Deleted if !display_row_range.is_empty() => (
5902 hunk_hitbox.bounds,
5903 cx.theme().colors().version_control_deleted,
5904 Corners::all(px(0.)),
5905 *status,
5906 ),
5907 DiffHunkStatusKind::Deleted => (
5908 Bounds::new(
5909 point(
5910 hunk_hitbox.origin.x - hunk_hitbox.size.width,
5911 hunk_hitbox.origin.y,
5912 ),
5913 size(hunk_hitbox.size.width * 2., hunk_hitbox.size.height),
5914 ),
5915 cx.theme().colors().version_control_deleted,
5916 Corners::all(1. * line_height),
5917 *status,
5918 ),
5919 }),
5920 };
5921
5922 if let Some((hunk_bounds, background_color, corner_radii, status)) = hunk_to_paint {
5923 // Flatten the background color with the editor color to prevent
5924 // elements below transparent hunks from showing through
5925 let flattened_background_color = cx
5926 .theme()
5927 .colors()
5928 .editor_background
5929 .blend(background_color);
5930
5931 if !Self::diff_hunk_hollow(status, cx) {
5932 window.paint_quad(quad(
5933 hunk_bounds,
5934 corner_radii,
5935 flattened_background_color,
5936 Edges::default(),
5937 transparent_black(),
5938 BorderStyle::default(),
5939 ));
5940 } else {
5941 let flattened_unstaged_background_color = cx
5942 .theme()
5943 .colors()
5944 .editor_background
5945 .blend(background_color.opacity(0.3));
5946
5947 window.paint_quad(quad(
5948 hunk_bounds,
5949 corner_radii,
5950 flattened_unstaged_background_color,
5951 Edges::all(px(1.0)),
5952 flattened_background_color,
5953 BorderStyle::Solid,
5954 ));
5955 }
5956 }
5957 }
5958 });
5959 }
5960
5961 fn gutter_strip_width(line_height: Pixels) -> Pixels {
5962 (0.275 * line_height).floor()
5963 }
5964
5965 fn diff_hunk_bounds(
5966 snapshot: &EditorSnapshot,
5967 line_height: Pixels,
5968 gutter_bounds: Bounds<Pixels>,
5969 hunk: &DisplayDiffHunk,
5970 ) -> Bounds<Pixels> {
5971 let scroll_position = snapshot.scroll_position();
5972 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
5973 let gutter_strip_width = Self::gutter_strip_width(line_height);
5974
5975 match hunk {
5976 DisplayDiffHunk::Folded { display_row, .. } => {
5977 let start_y = (display_row.as_f64() * ScrollPixelOffset::from(line_height)
5978 - scroll_top)
5979 .into();
5980 let end_y = start_y + line_height;
5981 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
5982 let highlight_size = size(gutter_strip_width, end_y - start_y);
5983 Bounds::new(highlight_origin, highlight_size)
5984 }
5985 DisplayDiffHunk::Unfolded {
5986 display_row_range,
5987 status,
5988 ..
5989 } => {
5990 if status.is_deleted() && display_row_range.is_empty() {
5991 let row = display_row_range.start;
5992
5993 let offset = ScrollPixelOffset::from(line_height / 2.);
5994 let start_y =
5995 (row.as_f64() * ScrollPixelOffset::from(line_height) - offset - scroll_top)
5996 .into();
5997 let end_y = start_y + line_height;
5998
5999 let width = (0.35 * line_height).floor();
6000 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6001 let highlight_size = size(width, end_y - start_y);
6002 Bounds::new(highlight_origin, highlight_size)
6003 } else {
6004 let start_row = display_row_range.start;
6005 let end_row = display_row_range.end;
6006 // If we're in a multibuffer, row range span might include an
6007 // excerpt header, so if we were to draw the marker straight away,
6008 // the hunk might include the rows of that header.
6009 // Making the range inclusive doesn't quite cut it, as we rely on the exclusivity for the soft wrap.
6010 // Instead, we simply check whether the range we're dealing with includes
6011 // any excerpt headers and if so, we stop painting the diff hunk on the first row of that header.
6012 let end_row_in_current_excerpt = snapshot
6013 .blocks_in_range(start_row..end_row)
6014 .find_map(|(start_row, block)| {
6015 if matches!(
6016 block,
6017 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
6018 ) {
6019 Some(start_row)
6020 } else {
6021 None
6022 }
6023 })
6024 .unwrap_or(end_row);
6025
6026 let start_y = (start_row.as_f64() * ScrollPixelOffset::from(line_height)
6027 - scroll_top)
6028 .into();
6029 let end_y = Pixels::from(
6030 end_row_in_current_excerpt.as_f64() * ScrollPixelOffset::from(line_height)
6031 - scroll_top,
6032 );
6033
6034 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6035 let highlight_size = size(gutter_strip_width, end_y - start_y);
6036 Bounds::new(highlight_origin, highlight_size)
6037 }
6038 }
6039 }
6040 }
6041
6042 fn paint_gutter_indicators(
6043 &self,
6044 layout: &mut EditorLayout,
6045 window: &mut Window,
6046 cx: &mut App,
6047 ) {
6048 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6049 window.with_element_namespace("crease_toggles", |window| {
6050 for crease_toggle in layout.crease_toggles.iter_mut().flatten() {
6051 crease_toggle.paint(window, cx);
6052 }
6053 });
6054
6055 window.with_element_namespace("expand_toggles", |window| {
6056 for (expand_toggle, _) in layout.expand_toggles.iter_mut().flatten() {
6057 expand_toggle.paint(window, cx);
6058 }
6059 });
6060
6061 for breakpoint in layout.breakpoints.iter_mut() {
6062 breakpoint.paint(window, cx);
6063 }
6064
6065 for test_indicator in layout.test_indicators.iter_mut() {
6066 test_indicator.paint(window, cx);
6067 }
6068 });
6069 }
6070
6071 fn paint_gutter_highlights(
6072 &self,
6073 layout: &mut EditorLayout,
6074 window: &mut Window,
6075 cx: &mut App,
6076 ) {
6077 for (_, hunk_hitbox) in &layout.display_hunks {
6078 if let Some(hunk_hitbox) = hunk_hitbox
6079 && !self
6080 .editor
6081 .read(cx)
6082 .buffer()
6083 .read(cx)
6084 .all_diff_hunks_expanded()
6085 {
6086 window.set_cursor_style(CursorStyle::PointingHand, hunk_hitbox);
6087 }
6088 }
6089
6090 let show_git_gutter = layout
6091 .position_map
6092 .snapshot
6093 .show_git_diff_gutter
6094 .unwrap_or_else(|| {
6095 matches!(
6096 ProjectSettings::get_global(cx).git.git_gutter,
6097 GitGutterSetting::TrackedFiles
6098 )
6099 });
6100 if show_git_gutter {
6101 Self::paint_gutter_diff_hunks(layout, window, cx)
6102 }
6103
6104 let highlight_width = 0.275 * layout.position_map.line_height;
6105 let highlight_corner_radii = Corners::all(0.05 * layout.position_map.line_height);
6106 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6107 for (range, color) in &layout.highlighted_gutter_ranges {
6108 let start_row = if range.start.row() < layout.visible_display_row_range.start {
6109 layout.visible_display_row_range.start - DisplayRow(1)
6110 } else {
6111 range.start.row()
6112 };
6113 let end_row = if range.end.row() > layout.visible_display_row_range.end {
6114 layout.visible_display_row_range.end + DisplayRow(1)
6115 } else {
6116 range.end.row()
6117 };
6118
6119 let start_y = layout.gutter_hitbox.top()
6120 + Pixels::from(
6121 start_row.0 as f64
6122 * ScrollPixelOffset::from(layout.position_map.line_height)
6123 - layout.position_map.scroll_pixel_position.y,
6124 );
6125 let end_y = layout.gutter_hitbox.top()
6126 + Pixels::from(
6127 (end_row.0 + 1) as f64
6128 * ScrollPixelOffset::from(layout.position_map.line_height)
6129 - layout.position_map.scroll_pixel_position.y,
6130 );
6131 let bounds = Bounds::from_corners(
6132 point(layout.gutter_hitbox.left(), start_y),
6133 point(layout.gutter_hitbox.left() + highlight_width, end_y),
6134 );
6135 window.paint_quad(fill(bounds, *color).corner_radii(highlight_corner_radii));
6136 }
6137 });
6138 }
6139
6140 fn paint_blamed_display_rows(
6141 &self,
6142 layout: &mut EditorLayout,
6143 window: &mut Window,
6144 cx: &mut App,
6145 ) {
6146 let Some(blamed_display_rows) = layout.blamed_display_rows.take() else {
6147 return;
6148 };
6149
6150 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6151 for mut blame_element in blamed_display_rows.into_iter() {
6152 blame_element.paint(window, cx);
6153 }
6154 })
6155 }
6156
6157 fn paint_text(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6158 window.with_content_mask(
6159 Some(ContentMask {
6160 bounds: layout.position_map.text_hitbox.bounds,
6161 }),
6162 |window| {
6163 let editor = self.editor.read(cx);
6164 if editor.mouse_cursor_hidden {
6165 window.set_window_cursor_style(CursorStyle::None);
6166 } else if let SelectionDragState::ReadyToDrag {
6167 mouse_down_time, ..
6168 } = &editor.selection_drag_state
6169 {
6170 let drag_and_drop_delay = Duration::from_millis(
6171 EditorSettings::get_global(cx).drag_and_drop_selection.delay,
6172 );
6173 if mouse_down_time.elapsed() >= drag_and_drop_delay {
6174 window.set_cursor_style(
6175 CursorStyle::DragCopy,
6176 &layout.position_map.text_hitbox,
6177 );
6178 }
6179 } else if matches!(
6180 editor.selection_drag_state,
6181 SelectionDragState::Dragging { .. }
6182 ) {
6183 window
6184 .set_cursor_style(CursorStyle::DragCopy, &layout.position_map.text_hitbox);
6185 } else if editor
6186 .hovered_link_state
6187 .as_ref()
6188 .is_some_and(|hovered_link_state| !hovered_link_state.links.is_empty())
6189 {
6190 window.set_cursor_style(
6191 CursorStyle::PointingHand,
6192 &layout.position_map.text_hitbox,
6193 );
6194 } else {
6195 window.set_cursor_style(CursorStyle::IBeam, &layout.position_map.text_hitbox);
6196 };
6197
6198 self.paint_lines_background(layout, window, cx);
6199 let invisible_display_ranges = self.paint_highlights(layout, window, cx);
6200 self.paint_document_colors(layout, window);
6201 self.paint_lines(&invisible_display_ranges, layout, window, cx);
6202 self.paint_redactions(layout, window);
6203 self.paint_cursors(layout, window, cx);
6204 self.paint_inline_diagnostics(layout, window, cx);
6205 self.paint_inline_blame(layout, window, cx);
6206 self.paint_inline_code_actions(layout, window, cx);
6207 self.paint_diff_hunk_controls(layout, window, cx);
6208 window.with_element_namespace("crease_trailers", |window| {
6209 for trailer in layout.crease_trailers.iter_mut().flatten() {
6210 trailer.element.paint(window, cx);
6211 }
6212 });
6213 },
6214 )
6215 }
6216
6217 fn paint_highlights(
6218 &mut self,
6219 layout: &mut EditorLayout,
6220 window: &mut Window,
6221 cx: &mut App,
6222 ) -> SmallVec<[Range<DisplayPoint>; 32]> {
6223 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6224 let mut invisible_display_ranges = SmallVec::<[Range<DisplayPoint>; 32]>::new();
6225 let line_end_overshoot = 0.15 * layout.position_map.line_height;
6226 for (range, color) in &layout.highlighted_ranges {
6227 self.paint_highlighted_range(
6228 range.clone(),
6229 true,
6230 *color,
6231 Pixels::ZERO,
6232 line_end_overshoot,
6233 layout,
6234 window,
6235 );
6236 }
6237
6238 let corner_radius = if EditorSettings::get_global(cx).rounded_selection {
6239 0.15 * layout.position_map.line_height
6240 } else {
6241 Pixels::ZERO
6242 };
6243
6244 for (player_color, selections) in &layout.selections {
6245 for selection in selections.iter() {
6246 self.paint_highlighted_range(
6247 selection.range.clone(),
6248 true,
6249 player_color.selection,
6250 corner_radius,
6251 corner_radius * 2.,
6252 layout,
6253 window,
6254 );
6255
6256 if selection.is_local && !selection.range.is_empty() {
6257 invisible_display_ranges.push(selection.range.clone());
6258 }
6259 }
6260 }
6261 invisible_display_ranges
6262 })
6263 }
6264
6265 fn paint_lines(
6266 &mut self,
6267 invisible_display_ranges: &[Range<DisplayPoint>],
6268 layout: &mut EditorLayout,
6269 window: &mut Window,
6270 cx: &mut App,
6271 ) {
6272 let whitespace_setting = self
6273 .editor
6274 .read(cx)
6275 .buffer
6276 .read(cx)
6277 .language_settings(cx)
6278 .show_whitespaces;
6279
6280 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6281 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6282 line_with_invisibles.draw(
6283 layout,
6284 row,
6285 layout.content_origin,
6286 whitespace_setting,
6287 invisible_display_ranges,
6288 window,
6289 cx,
6290 )
6291 }
6292
6293 for line_element in &mut layout.line_elements {
6294 line_element.paint(window, cx);
6295 }
6296 }
6297
6298 fn paint_lines_background(
6299 &mut self,
6300 layout: &mut EditorLayout,
6301 window: &mut Window,
6302 cx: &mut App,
6303 ) {
6304 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6305 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6306 line_with_invisibles.draw_background(layout, row, layout.content_origin, window, cx);
6307 }
6308 }
6309
6310 fn paint_redactions(&mut self, layout: &EditorLayout, window: &mut Window) {
6311 if layout.redacted_ranges.is_empty() {
6312 return;
6313 }
6314
6315 let line_end_overshoot = layout.line_end_overshoot();
6316
6317 // A softer than perfect black
6318 let redaction_color = gpui::rgb(0x0e1111);
6319
6320 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6321 for range in layout.redacted_ranges.iter() {
6322 self.paint_highlighted_range(
6323 range.clone(),
6324 true,
6325 redaction_color.into(),
6326 Pixels::ZERO,
6327 line_end_overshoot,
6328 layout,
6329 window,
6330 );
6331 }
6332 });
6333 }
6334
6335 fn paint_document_colors(&self, layout: &mut EditorLayout, window: &mut Window) {
6336 let Some((colors_render_mode, image_colors)) = &layout.document_colors else {
6337 return;
6338 };
6339 if image_colors.is_empty()
6340 || colors_render_mode == &DocumentColorsRenderMode::None
6341 || colors_render_mode == &DocumentColorsRenderMode::Inlay
6342 {
6343 return;
6344 }
6345
6346 let line_end_overshoot = layout.line_end_overshoot();
6347
6348 for (range, color) in image_colors {
6349 match colors_render_mode {
6350 DocumentColorsRenderMode::Inlay | DocumentColorsRenderMode::None => return,
6351 DocumentColorsRenderMode::Background => {
6352 self.paint_highlighted_range(
6353 range.clone(),
6354 true,
6355 *color,
6356 Pixels::ZERO,
6357 line_end_overshoot,
6358 layout,
6359 window,
6360 );
6361 }
6362 DocumentColorsRenderMode::Border => {
6363 self.paint_highlighted_range(
6364 range.clone(),
6365 false,
6366 *color,
6367 Pixels::ZERO,
6368 line_end_overshoot,
6369 layout,
6370 window,
6371 );
6372 }
6373 }
6374 }
6375 }
6376
6377 fn paint_cursors(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6378 for cursor in &mut layout.visible_cursors {
6379 cursor.paint(layout.content_origin, window, cx);
6380 }
6381 }
6382
6383 fn paint_scrollbars(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6384 let Some(scrollbars_layout) = layout.scrollbars_layout.take() else {
6385 return;
6386 };
6387 let any_scrollbar_dragged = self.editor.read(cx).scroll_manager.any_scrollbar_dragged();
6388
6389 for (scrollbar_layout, axis) in scrollbars_layout.iter_scrollbars() {
6390 let hitbox = &scrollbar_layout.hitbox;
6391 if scrollbars_layout.visible {
6392 let scrollbar_edges = match axis {
6393 ScrollbarAxis::Horizontal => Edges {
6394 top: Pixels::ZERO,
6395 right: Pixels::ZERO,
6396 bottom: Pixels::ZERO,
6397 left: Pixels::ZERO,
6398 },
6399 ScrollbarAxis::Vertical => Edges {
6400 top: Pixels::ZERO,
6401 right: Pixels::ZERO,
6402 bottom: Pixels::ZERO,
6403 left: ScrollbarLayout::BORDER_WIDTH,
6404 },
6405 };
6406
6407 window.paint_layer(hitbox.bounds, |window| {
6408 window.paint_quad(quad(
6409 hitbox.bounds,
6410 Corners::default(),
6411 cx.theme().colors().scrollbar_track_background,
6412 scrollbar_edges,
6413 cx.theme().colors().scrollbar_track_border,
6414 BorderStyle::Solid,
6415 ));
6416
6417 if axis == ScrollbarAxis::Vertical {
6418 let fast_markers =
6419 self.collect_fast_scrollbar_markers(layout, scrollbar_layout, cx);
6420 // Refresh slow scrollbar markers in the background. Below, we
6421 // paint whatever markers have already been computed.
6422 self.refresh_slow_scrollbar_markers(layout, scrollbar_layout, window, cx);
6423
6424 let markers = self.editor.read(cx).scrollbar_marker_state.markers.clone();
6425 for marker in markers.iter().chain(&fast_markers) {
6426 let mut marker = marker.clone();
6427 marker.bounds.origin += hitbox.origin;
6428 window.paint_quad(marker);
6429 }
6430 }
6431
6432 if let Some(thumb_bounds) = scrollbar_layout.thumb_bounds {
6433 let scrollbar_thumb_color = match scrollbar_layout.thumb_state {
6434 ScrollbarThumbState::Dragging => {
6435 cx.theme().colors().scrollbar_thumb_active_background
6436 }
6437 ScrollbarThumbState::Hovered => {
6438 cx.theme().colors().scrollbar_thumb_hover_background
6439 }
6440 ScrollbarThumbState::Idle => {
6441 cx.theme().colors().scrollbar_thumb_background
6442 }
6443 };
6444 window.paint_quad(quad(
6445 thumb_bounds,
6446 Corners::default(),
6447 scrollbar_thumb_color,
6448 scrollbar_edges,
6449 cx.theme().colors().scrollbar_thumb_border,
6450 BorderStyle::Solid,
6451 ));
6452
6453 if any_scrollbar_dragged {
6454 window.set_window_cursor_style(CursorStyle::Arrow);
6455 } else {
6456 window.set_cursor_style(CursorStyle::Arrow, hitbox);
6457 }
6458 }
6459 })
6460 }
6461 }
6462
6463 window.on_mouse_event({
6464 let editor = self.editor.clone();
6465 let scrollbars_layout = scrollbars_layout.clone();
6466
6467 let mut mouse_position = window.mouse_position();
6468 move |event: &MouseMoveEvent, phase, window, cx| {
6469 if phase == DispatchPhase::Capture {
6470 return;
6471 }
6472
6473 editor.update(cx, |editor, cx| {
6474 if let Some((scrollbar_layout, axis)) = event
6475 .pressed_button
6476 .filter(|button| *button == MouseButton::Left)
6477 .and(editor.scroll_manager.dragging_scrollbar_axis())
6478 .and_then(|axis| {
6479 scrollbars_layout
6480 .iter_scrollbars()
6481 .find(|(_, a)| *a == axis)
6482 })
6483 {
6484 let ScrollbarLayout {
6485 hitbox,
6486 text_unit_size,
6487 ..
6488 } = scrollbar_layout;
6489
6490 let old_position = mouse_position.along(axis);
6491 let new_position = event.position.along(axis);
6492 if (hitbox.origin.along(axis)..hitbox.bottom_right().along(axis))
6493 .contains(&old_position)
6494 {
6495 let position = editor.scroll_position(cx).apply_along(axis, |p| {
6496 (p + ScrollOffset::from(
6497 (new_position - old_position) / *text_unit_size,
6498 ))
6499 .max(0.)
6500 });
6501 editor.set_scroll_position(position, window, cx);
6502 }
6503
6504 editor.scroll_manager.show_scrollbars(window, cx);
6505 cx.stop_propagation();
6506 } else if let Some((layout, axis)) = scrollbars_layout
6507 .get_hovered_axis(window)
6508 .filter(|_| !event.dragging())
6509 {
6510 if layout.thumb_hovered(&event.position) {
6511 editor
6512 .scroll_manager
6513 .set_hovered_scroll_thumb_axis(axis, cx);
6514 } else {
6515 editor.scroll_manager.reset_scrollbar_state(cx);
6516 }
6517
6518 editor.scroll_manager.show_scrollbars(window, cx);
6519 } else {
6520 editor.scroll_manager.reset_scrollbar_state(cx);
6521 }
6522
6523 mouse_position = event.position;
6524 })
6525 }
6526 });
6527
6528 if any_scrollbar_dragged {
6529 window.on_mouse_event({
6530 let editor = self.editor.clone();
6531 move |_: &MouseUpEvent, phase, window, cx| {
6532 if phase == DispatchPhase::Capture {
6533 return;
6534 }
6535
6536 editor.update(cx, |editor, cx| {
6537 if let Some((_, axis)) = scrollbars_layout.get_hovered_axis(window) {
6538 editor
6539 .scroll_manager
6540 .set_hovered_scroll_thumb_axis(axis, cx);
6541 } else {
6542 editor.scroll_manager.reset_scrollbar_state(cx);
6543 }
6544 cx.stop_propagation();
6545 });
6546 }
6547 });
6548 } else {
6549 window.on_mouse_event({
6550 let editor = self.editor.clone();
6551
6552 move |event: &MouseDownEvent, phase, window, cx| {
6553 if phase == DispatchPhase::Capture {
6554 return;
6555 }
6556 let Some((scrollbar_layout, axis)) = scrollbars_layout.get_hovered_axis(window)
6557 else {
6558 return;
6559 };
6560
6561 let ScrollbarLayout {
6562 hitbox,
6563 visible_range,
6564 text_unit_size,
6565 thumb_bounds,
6566 ..
6567 } = scrollbar_layout;
6568
6569 let Some(thumb_bounds) = thumb_bounds else {
6570 return;
6571 };
6572
6573 editor.update(cx, |editor, cx| {
6574 editor
6575 .scroll_manager
6576 .set_dragged_scroll_thumb_axis(axis, cx);
6577
6578 let event_position = event.position.along(axis);
6579
6580 if event_position < thumb_bounds.origin.along(axis)
6581 || thumb_bounds.bottom_right().along(axis) < event_position
6582 {
6583 let center_position = ((event_position - hitbox.origin.along(axis))
6584 / *text_unit_size)
6585 .round() as u32;
6586 let start_position = center_position.saturating_sub(
6587 (visible_range.end - visible_range.start) as u32 / 2,
6588 );
6589
6590 let position = editor
6591 .scroll_position(cx)
6592 .apply_along(axis, |_| start_position as ScrollOffset);
6593
6594 editor.set_scroll_position(position, window, cx);
6595 } else {
6596 editor.scroll_manager.show_scrollbars(window, cx);
6597 }
6598
6599 cx.stop_propagation();
6600 });
6601 }
6602 });
6603 }
6604 }
6605
6606 fn collect_fast_scrollbar_markers(
6607 &self,
6608 layout: &EditorLayout,
6609 scrollbar_layout: &ScrollbarLayout,
6610 cx: &mut App,
6611 ) -> Vec<PaintQuad> {
6612 const LIMIT: usize = 100;
6613 if !EditorSettings::get_global(cx).scrollbar.cursors || layout.cursors.len() > LIMIT {
6614 return vec![];
6615 }
6616 let cursor_ranges = layout
6617 .cursors
6618 .iter()
6619 .map(|(point, color)| ColoredRange {
6620 start: point.row(),
6621 end: point.row(),
6622 color: *color,
6623 })
6624 .collect_vec();
6625 scrollbar_layout.marker_quads_for_ranges(cursor_ranges, None)
6626 }
6627
6628 fn refresh_slow_scrollbar_markers(
6629 &self,
6630 layout: &EditorLayout,
6631 scrollbar_layout: &ScrollbarLayout,
6632 window: &mut Window,
6633 cx: &mut App,
6634 ) {
6635 self.editor.update(cx, |editor, cx| {
6636 if editor.buffer_kind(cx) != ItemBufferKind::Singleton
6637 || !editor
6638 .scrollbar_marker_state
6639 .should_refresh(scrollbar_layout.hitbox.size)
6640 {
6641 return;
6642 }
6643
6644 let scrollbar_layout = scrollbar_layout.clone();
6645 let background_highlights = editor.background_highlights.clone();
6646 let snapshot = layout.position_map.snapshot.clone();
6647 let theme = cx.theme().clone();
6648 let scrollbar_settings = EditorSettings::get_global(cx).scrollbar;
6649
6650 editor.scrollbar_marker_state.dirty = false;
6651 editor.scrollbar_marker_state.pending_refresh =
6652 Some(cx.spawn_in(window, async move |editor, cx| {
6653 let scrollbar_size = scrollbar_layout.hitbox.size;
6654 let scrollbar_markers = cx
6655 .background_spawn(async move {
6656 let max_point = snapshot.display_snapshot.buffer_snapshot().max_point();
6657 let mut marker_quads = Vec::new();
6658 if scrollbar_settings.git_diff {
6659 let marker_row_ranges =
6660 snapshot.buffer_snapshot().diff_hunks().map(|hunk| {
6661 let start_display_row =
6662 MultiBufferPoint::new(hunk.row_range.start.0, 0)
6663 .to_display_point(&snapshot.display_snapshot)
6664 .row();
6665 let mut end_display_row =
6666 MultiBufferPoint::new(hunk.row_range.end.0, 0)
6667 .to_display_point(&snapshot.display_snapshot)
6668 .row();
6669 if end_display_row != start_display_row {
6670 end_display_row.0 -= 1;
6671 }
6672 let color = match &hunk.status().kind {
6673 DiffHunkStatusKind::Added => {
6674 theme.colors().version_control_added
6675 }
6676 DiffHunkStatusKind::Modified => {
6677 theme.colors().version_control_modified
6678 }
6679 DiffHunkStatusKind::Deleted => {
6680 theme.colors().version_control_deleted
6681 }
6682 };
6683 ColoredRange {
6684 start: start_display_row,
6685 end: end_display_row,
6686 color,
6687 }
6688 });
6689
6690 marker_quads.extend(
6691 scrollbar_layout
6692 .marker_quads_for_ranges(marker_row_ranges, Some(0)),
6693 );
6694 }
6695
6696 for (background_highlight_id, (_, background_ranges)) in
6697 background_highlights.iter()
6698 {
6699 let is_search_highlights = *background_highlight_id
6700 == HighlightKey::Type(TypeId::of::<BufferSearchHighlights>());
6701 let is_text_highlights = *background_highlight_id
6702 == HighlightKey::Type(TypeId::of::<SelectedTextHighlight>());
6703 let is_symbol_occurrences = *background_highlight_id
6704 == HighlightKey::Type(TypeId::of::<DocumentHighlightRead>())
6705 || *background_highlight_id
6706 == HighlightKey::Type(
6707 TypeId::of::<DocumentHighlightWrite>(),
6708 );
6709 if (is_search_highlights && scrollbar_settings.search_results)
6710 || (is_text_highlights && scrollbar_settings.selected_text)
6711 || (is_symbol_occurrences && scrollbar_settings.selected_symbol)
6712 {
6713 let mut color = theme.status().info;
6714 if is_symbol_occurrences {
6715 color.fade_out(0.5);
6716 }
6717 let marker_row_ranges = background_ranges.iter().map(|range| {
6718 let display_start = range
6719 .start
6720 .to_display_point(&snapshot.display_snapshot);
6721 let display_end =
6722 range.end.to_display_point(&snapshot.display_snapshot);
6723 ColoredRange {
6724 start: display_start.row(),
6725 end: display_end.row(),
6726 color,
6727 }
6728 });
6729 marker_quads.extend(
6730 scrollbar_layout
6731 .marker_quads_for_ranges(marker_row_ranges, Some(1)),
6732 );
6733 }
6734 }
6735
6736 if scrollbar_settings.diagnostics != ScrollbarDiagnostics::None {
6737 let diagnostics = snapshot
6738 .buffer_snapshot()
6739 .diagnostics_in_range::<Point>(Point::zero()..max_point)
6740 // Don't show diagnostics the user doesn't care about
6741 .filter(|diagnostic| {
6742 match (
6743 scrollbar_settings.diagnostics,
6744 diagnostic.diagnostic.severity,
6745 ) {
6746 (ScrollbarDiagnostics::All, _) => true,
6747 (
6748 ScrollbarDiagnostics::Error,
6749 lsp::DiagnosticSeverity::ERROR,
6750 ) => true,
6751 (
6752 ScrollbarDiagnostics::Warning,
6753 lsp::DiagnosticSeverity::ERROR
6754 | lsp::DiagnosticSeverity::WARNING,
6755 ) => true,
6756 (
6757 ScrollbarDiagnostics::Information,
6758 lsp::DiagnosticSeverity::ERROR
6759 | lsp::DiagnosticSeverity::WARNING
6760 | lsp::DiagnosticSeverity::INFORMATION,
6761 ) => true,
6762 (_, _) => false,
6763 }
6764 })
6765 // We want to sort by severity, in order to paint the most severe diagnostics last.
6766 .sorted_by_key(|diagnostic| {
6767 std::cmp::Reverse(diagnostic.diagnostic.severity)
6768 });
6769
6770 let marker_row_ranges = diagnostics.into_iter().map(|diagnostic| {
6771 let start_display = diagnostic
6772 .range
6773 .start
6774 .to_display_point(&snapshot.display_snapshot);
6775 let end_display = diagnostic
6776 .range
6777 .end
6778 .to_display_point(&snapshot.display_snapshot);
6779 let color = match diagnostic.diagnostic.severity {
6780 lsp::DiagnosticSeverity::ERROR => theme.status().error,
6781 lsp::DiagnosticSeverity::WARNING => theme.status().warning,
6782 lsp::DiagnosticSeverity::INFORMATION => theme.status().info,
6783 _ => theme.status().hint,
6784 };
6785 ColoredRange {
6786 start: start_display.row(),
6787 end: end_display.row(),
6788 color,
6789 }
6790 });
6791 marker_quads.extend(
6792 scrollbar_layout
6793 .marker_quads_for_ranges(marker_row_ranges, Some(2)),
6794 );
6795 }
6796
6797 Arc::from(marker_quads)
6798 })
6799 .await;
6800
6801 editor.update(cx, |editor, cx| {
6802 editor.scrollbar_marker_state.markers = scrollbar_markers;
6803 editor.scrollbar_marker_state.scrollbar_size = scrollbar_size;
6804 editor.scrollbar_marker_state.pending_refresh = None;
6805 cx.notify();
6806 })?;
6807
6808 Ok(())
6809 }));
6810 });
6811 }
6812
6813 fn paint_highlighted_range(
6814 &self,
6815 range: Range<DisplayPoint>,
6816 fill: bool,
6817 color: Hsla,
6818 corner_radius: Pixels,
6819 line_end_overshoot: Pixels,
6820 layout: &EditorLayout,
6821 window: &mut Window,
6822 ) {
6823 let start_row = layout.visible_display_row_range.start;
6824 let end_row = layout.visible_display_row_range.end;
6825 if range.start != range.end {
6826 let row_range = if range.end.column() == 0 {
6827 cmp::max(range.start.row(), start_row)..cmp::min(range.end.row(), end_row)
6828 } else {
6829 cmp::max(range.start.row(), start_row)
6830 ..cmp::min(range.end.row().next_row(), end_row)
6831 };
6832
6833 let highlighted_range = HighlightedRange {
6834 color,
6835 line_height: layout.position_map.line_height,
6836 corner_radius,
6837 start_y: layout.content_origin.y
6838 + Pixels::from(
6839 (row_range.start.as_f64() - layout.position_map.scroll_position.y)
6840 * ScrollOffset::from(layout.position_map.line_height),
6841 ),
6842 lines: row_range
6843 .iter_rows()
6844 .map(|row| {
6845 let line_layout =
6846 &layout.position_map.line_layouts[row.minus(start_row) as usize];
6847 HighlightedRangeLine {
6848 start_x: if row == range.start.row() {
6849 layout.content_origin.x
6850 + Pixels::from(
6851 ScrollPixelOffset::from(
6852 line_layout.x_for_index(range.start.column() as usize),
6853 ) - layout.position_map.scroll_pixel_position.x,
6854 )
6855 } else {
6856 layout.content_origin.x
6857 - Pixels::from(layout.position_map.scroll_pixel_position.x)
6858 },
6859 end_x: if row == range.end.row() {
6860 layout.content_origin.x
6861 + Pixels::from(
6862 ScrollPixelOffset::from(
6863 line_layout.x_for_index(range.end.column() as usize),
6864 ) - layout.position_map.scroll_pixel_position.x,
6865 )
6866 } else {
6867 Pixels::from(
6868 ScrollPixelOffset::from(
6869 layout.content_origin.x
6870 + line_layout.width
6871 + line_end_overshoot,
6872 ) - layout.position_map.scroll_pixel_position.x,
6873 )
6874 },
6875 }
6876 })
6877 .collect(),
6878 };
6879
6880 highlighted_range.paint(fill, layout.position_map.text_hitbox.bounds, window);
6881 }
6882 }
6883
6884 fn paint_inline_diagnostics(
6885 &mut self,
6886 layout: &mut EditorLayout,
6887 window: &mut Window,
6888 cx: &mut App,
6889 ) {
6890 for mut inline_diagnostic in layout.inline_diagnostics.drain() {
6891 inline_diagnostic.1.paint(window, cx);
6892 }
6893 }
6894
6895 fn paint_inline_blame(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6896 if let Some(mut blame_layout) = layout.inline_blame_layout.take() {
6897 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6898 blame_layout.element.paint(window, cx);
6899 })
6900 }
6901 }
6902
6903 fn paint_inline_code_actions(
6904 &mut self,
6905 layout: &mut EditorLayout,
6906 window: &mut Window,
6907 cx: &mut App,
6908 ) {
6909 if let Some(mut inline_code_actions) = layout.inline_code_actions.take() {
6910 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6911 inline_code_actions.paint(window, cx);
6912 })
6913 }
6914 }
6915
6916 fn paint_diff_hunk_controls(
6917 &mut self,
6918 layout: &mut EditorLayout,
6919 window: &mut Window,
6920 cx: &mut App,
6921 ) {
6922 for mut diff_hunk_control in layout.diff_hunk_controls.drain(..) {
6923 diff_hunk_control.paint(window, cx);
6924 }
6925 }
6926
6927 fn paint_minimap(&self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6928 if let Some(mut layout) = layout.minimap.take() {
6929 let minimap_hitbox = layout.thumb_layout.hitbox.clone();
6930 let dragging_minimap = self.editor.read(cx).scroll_manager.is_dragging_minimap();
6931
6932 window.paint_layer(layout.thumb_layout.hitbox.bounds, |window| {
6933 window.with_element_namespace("minimap", |window| {
6934 layout.minimap.paint(window, cx);
6935 if let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds {
6936 let minimap_thumb_color = match layout.thumb_layout.thumb_state {
6937 ScrollbarThumbState::Idle => {
6938 cx.theme().colors().minimap_thumb_background
6939 }
6940 ScrollbarThumbState::Hovered => {
6941 cx.theme().colors().minimap_thumb_hover_background
6942 }
6943 ScrollbarThumbState::Dragging => {
6944 cx.theme().colors().minimap_thumb_active_background
6945 }
6946 };
6947 let minimap_thumb_border = match layout.thumb_border_style {
6948 MinimapThumbBorder::Full => Edges::all(ScrollbarLayout::BORDER_WIDTH),
6949 MinimapThumbBorder::LeftOnly => Edges {
6950 left: ScrollbarLayout::BORDER_WIDTH,
6951 ..Default::default()
6952 },
6953 MinimapThumbBorder::LeftOpen => Edges {
6954 right: ScrollbarLayout::BORDER_WIDTH,
6955 top: ScrollbarLayout::BORDER_WIDTH,
6956 bottom: ScrollbarLayout::BORDER_WIDTH,
6957 ..Default::default()
6958 },
6959 MinimapThumbBorder::RightOpen => Edges {
6960 left: ScrollbarLayout::BORDER_WIDTH,
6961 top: ScrollbarLayout::BORDER_WIDTH,
6962 bottom: ScrollbarLayout::BORDER_WIDTH,
6963 ..Default::default()
6964 },
6965 MinimapThumbBorder::None => Default::default(),
6966 };
6967
6968 window.paint_layer(minimap_hitbox.bounds, |window| {
6969 window.paint_quad(quad(
6970 thumb_bounds,
6971 Corners::default(),
6972 minimap_thumb_color,
6973 minimap_thumb_border,
6974 cx.theme().colors().minimap_thumb_border,
6975 BorderStyle::Solid,
6976 ));
6977 });
6978 }
6979 });
6980 });
6981
6982 if dragging_minimap {
6983 window.set_window_cursor_style(CursorStyle::Arrow);
6984 } else {
6985 window.set_cursor_style(CursorStyle::Arrow, &minimap_hitbox);
6986 }
6987
6988 let minimap_axis = ScrollbarAxis::Vertical;
6989 let pixels_per_line = Pixels::from(
6990 ScrollPixelOffset::from(minimap_hitbox.size.height) / layout.max_scroll_top,
6991 )
6992 .min(layout.minimap_line_height);
6993
6994 let mut mouse_position = window.mouse_position();
6995
6996 window.on_mouse_event({
6997 let editor = self.editor.clone();
6998
6999 let minimap_hitbox = minimap_hitbox.clone();
7000
7001 move |event: &MouseMoveEvent, phase, window, cx| {
7002 if phase == DispatchPhase::Capture {
7003 return;
7004 }
7005
7006 editor.update(cx, |editor, cx| {
7007 if event.pressed_button == Some(MouseButton::Left)
7008 && editor.scroll_manager.is_dragging_minimap()
7009 {
7010 let old_position = mouse_position.along(minimap_axis);
7011 let new_position = event.position.along(minimap_axis);
7012 if (minimap_hitbox.origin.along(minimap_axis)
7013 ..minimap_hitbox.bottom_right().along(minimap_axis))
7014 .contains(&old_position)
7015 {
7016 let position =
7017 editor.scroll_position(cx).apply_along(minimap_axis, |p| {
7018 (p + ScrollPixelOffset::from(
7019 (new_position - old_position) / pixels_per_line,
7020 ))
7021 .max(0.)
7022 });
7023
7024 editor.set_scroll_position(position, window, cx);
7025 }
7026 cx.stop_propagation();
7027 } else if minimap_hitbox.is_hovered(window) {
7028 editor.scroll_manager.set_is_hovering_minimap_thumb(
7029 !event.dragging()
7030 && layout
7031 .thumb_layout
7032 .thumb_bounds
7033 .is_some_and(|bounds| bounds.contains(&event.position)),
7034 cx,
7035 );
7036
7037 // Stop hover events from propagating to the
7038 // underlying editor if the minimap hitbox is hovered
7039 if !event.dragging() {
7040 cx.stop_propagation();
7041 }
7042 } else {
7043 editor.scroll_manager.hide_minimap_thumb(cx);
7044 }
7045 mouse_position = event.position;
7046 });
7047 }
7048 });
7049
7050 if dragging_minimap {
7051 window.on_mouse_event({
7052 let editor = self.editor.clone();
7053 move |event: &MouseUpEvent, phase, window, cx| {
7054 if phase == DispatchPhase::Capture {
7055 return;
7056 }
7057
7058 editor.update(cx, |editor, cx| {
7059 if minimap_hitbox.is_hovered(window) {
7060 editor.scroll_manager.set_is_hovering_minimap_thumb(
7061 layout
7062 .thumb_layout
7063 .thumb_bounds
7064 .is_some_and(|bounds| bounds.contains(&event.position)),
7065 cx,
7066 );
7067 } else {
7068 editor.scroll_manager.hide_minimap_thumb(cx);
7069 }
7070 cx.stop_propagation();
7071 });
7072 }
7073 });
7074 } else {
7075 window.on_mouse_event({
7076 let editor = self.editor.clone();
7077
7078 move |event: &MouseDownEvent, phase, window, cx| {
7079 if phase == DispatchPhase::Capture || !minimap_hitbox.is_hovered(window) {
7080 return;
7081 }
7082
7083 let event_position = event.position;
7084
7085 let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds else {
7086 return;
7087 };
7088
7089 editor.update(cx, |editor, cx| {
7090 if !thumb_bounds.contains(&event_position) {
7091 let click_position =
7092 event_position.relative_to(&minimap_hitbox.origin).y;
7093
7094 let top_position = (click_position
7095 - thumb_bounds.size.along(minimap_axis) / 2.0)
7096 .max(Pixels::ZERO);
7097
7098 let scroll_offset = (layout.minimap_scroll_top
7099 + ScrollPixelOffset::from(
7100 top_position / layout.minimap_line_height,
7101 ))
7102 .min(layout.max_scroll_top);
7103
7104 let scroll_position = editor
7105 .scroll_position(cx)
7106 .apply_along(minimap_axis, |_| scroll_offset);
7107 editor.set_scroll_position(scroll_position, window, cx);
7108 }
7109
7110 editor.scroll_manager.set_is_dragging_minimap(cx);
7111 cx.stop_propagation();
7112 });
7113 }
7114 });
7115 }
7116 }
7117 }
7118
7119 fn paint_blocks(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
7120 for mut block in layout.blocks.drain(..) {
7121 if block.overlaps_gutter {
7122 block.element.paint(window, cx);
7123 } else {
7124 let mut bounds = layout.hitbox.bounds;
7125 bounds.origin.x += layout.gutter_hitbox.bounds.size.width;
7126 window.with_content_mask(Some(ContentMask { bounds }), |window| {
7127 block.element.paint(window, cx);
7128 })
7129 }
7130 }
7131 }
7132
7133 fn paint_edit_prediction_popover(
7134 &mut self,
7135 layout: &mut EditorLayout,
7136 window: &mut Window,
7137 cx: &mut App,
7138 ) {
7139 if let Some(edit_prediction_popover) = layout.edit_prediction_popover.as_mut() {
7140 edit_prediction_popover.paint(window, cx);
7141 }
7142 }
7143
7144 fn paint_mouse_context_menu(
7145 &mut self,
7146 layout: &mut EditorLayout,
7147 window: &mut Window,
7148 cx: &mut App,
7149 ) {
7150 if let Some(mouse_context_menu) = layout.mouse_context_menu.as_mut() {
7151 mouse_context_menu.paint(window, cx);
7152 }
7153 }
7154
7155 fn paint_scroll_wheel_listener(
7156 &mut self,
7157 layout: &EditorLayout,
7158 window: &mut Window,
7159 cx: &mut App,
7160 ) {
7161 window.on_mouse_event({
7162 let position_map = layout.position_map.clone();
7163 let editor = self.editor.clone();
7164 let hitbox = layout.hitbox.clone();
7165 let mut delta = ScrollDelta::default();
7166
7167 // Set a minimum scroll_sensitivity of 0.01 to make sure the user doesn't
7168 // accidentally turn off their scrolling.
7169 let base_scroll_sensitivity =
7170 EditorSettings::get_global(cx).scroll_sensitivity.max(0.01);
7171
7172 // Use a minimum fast_scroll_sensitivity for same reason above
7173 let fast_scroll_sensitivity = EditorSettings::get_global(cx)
7174 .fast_scroll_sensitivity
7175 .max(0.01);
7176
7177 move |event: &ScrollWheelEvent, phase, window, cx| {
7178 let scroll_sensitivity = {
7179 if event.modifiers.alt {
7180 fast_scroll_sensitivity
7181 } else {
7182 base_scroll_sensitivity
7183 }
7184 };
7185
7186 if phase == DispatchPhase::Bubble && hitbox.should_handle_scroll(window) {
7187 delta = delta.coalesce(event.delta);
7188 editor.update(cx, |editor, cx| {
7189 let position_map: &PositionMap = &position_map;
7190
7191 let line_height = position_map.line_height;
7192 let max_glyph_advance = position_map.em_advance;
7193 let (delta, axis) = match delta {
7194 gpui::ScrollDelta::Pixels(mut pixels) => {
7195 //Trackpad
7196 let axis = position_map.snapshot.ongoing_scroll.filter(&mut pixels);
7197 (pixels, axis)
7198 }
7199
7200 gpui::ScrollDelta::Lines(lines) => {
7201 //Not trackpad
7202 let pixels =
7203 point(lines.x * max_glyph_advance, lines.y * line_height);
7204 (pixels, None)
7205 }
7206 };
7207
7208 let current_scroll_position = position_map.snapshot.scroll_position();
7209 let x = (current_scroll_position.x
7210 * ScrollPixelOffset::from(max_glyph_advance)
7211 - ScrollPixelOffset::from(delta.x * scroll_sensitivity))
7212 / ScrollPixelOffset::from(max_glyph_advance);
7213 let y = (current_scroll_position.y * ScrollPixelOffset::from(line_height)
7214 - ScrollPixelOffset::from(delta.y * scroll_sensitivity))
7215 / ScrollPixelOffset::from(line_height);
7216 let mut scroll_position =
7217 point(x, y).clamp(&point(0., 0.), &position_map.scroll_max);
7218 let forbid_vertical_scroll = editor.scroll_manager.forbid_vertical_scroll();
7219 if forbid_vertical_scroll {
7220 scroll_position.y = current_scroll_position.y;
7221 }
7222
7223 if scroll_position != current_scroll_position {
7224 editor.scroll(scroll_position, axis, window, cx);
7225 cx.stop_propagation();
7226 } else if y < 0. {
7227 // Due to clamping, we may fail to detect cases of overscroll to the top;
7228 // We want the scroll manager to get an update in such cases and detect the change of direction
7229 // on the next frame.
7230 cx.notify();
7231 }
7232 });
7233 }
7234 }
7235 });
7236 }
7237
7238 fn paint_mouse_listeners(&mut self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
7239 if layout.mode.is_minimap() {
7240 return;
7241 }
7242
7243 self.paint_scroll_wheel_listener(layout, window, cx);
7244
7245 window.on_mouse_event({
7246 let position_map = layout.position_map.clone();
7247 let editor = self.editor.clone();
7248 let diff_hunk_range =
7249 layout
7250 .display_hunks
7251 .iter()
7252 .find_map(|(hunk, hunk_hitbox)| match hunk {
7253 DisplayDiffHunk::Folded { .. } => None,
7254 DisplayDiffHunk::Unfolded {
7255 multi_buffer_range, ..
7256 } => {
7257 if hunk_hitbox
7258 .as_ref()
7259 .map(|hitbox| hitbox.is_hovered(window))
7260 .unwrap_or(false)
7261 {
7262 Some(multi_buffer_range.clone())
7263 } else {
7264 None
7265 }
7266 }
7267 });
7268 let line_numbers = layout.line_numbers.clone();
7269
7270 move |event: &MouseDownEvent, phase, window, cx| {
7271 if phase == DispatchPhase::Bubble {
7272 match event.button {
7273 MouseButton::Left => editor.update(cx, |editor, cx| {
7274 let pending_mouse_down = editor
7275 .pending_mouse_down
7276 .get_or_insert_with(Default::default)
7277 .clone();
7278
7279 *pending_mouse_down.borrow_mut() = Some(event.clone());
7280
7281 Self::mouse_left_down(
7282 editor,
7283 event,
7284 diff_hunk_range.clone(),
7285 &position_map,
7286 line_numbers.as_ref(),
7287 window,
7288 cx,
7289 );
7290 }),
7291 MouseButton::Right => editor.update(cx, |editor, cx| {
7292 Self::mouse_right_down(editor, event, &position_map, window, cx);
7293 }),
7294 MouseButton::Middle => editor.update(cx, |editor, cx| {
7295 Self::mouse_middle_down(editor, event, &position_map, window, cx);
7296 }),
7297 _ => {}
7298 };
7299 }
7300 }
7301 });
7302
7303 window.on_mouse_event({
7304 let editor = self.editor.clone();
7305 let position_map = layout.position_map.clone();
7306
7307 move |event: &MouseUpEvent, phase, window, cx| {
7308 if phase == DispatchPhase::Bubble {
7309 editor.update(cx, |editor, cx| {
7310 Self::mouse_up(editor, event, &position_map, window, cx)
7311 });
7312 }
7313 }
7314 });
7315
7316 window.on_mouse_event({
7317 let editor = self.editor.clone();
7318 let position_map = layout.position_map.clone();
7319 let mut captured_mouse_down = None;
7320
7321 move |event: &MouseUpEvent, phase, window, cx| match phase {
7322 // Clear the pending mouse down during the capture phase,
7323 // so that it happens even if another event handler stops
7324 // propagation.
7325 DispatchPhase::Capture => editor.update(cx, |editor, _cx| {
7326 let pending_mouse_down = editor
7327 .pending_mouse_down
7328 .get_or_insert_with(Default::default)
7329 .clone();
7330
7331 let mut pending_mouse_down = pending_mouse_down.borrow_mut();
7332 if pending_mouse_down.is_some() && position_map.text_hitbox.is_hovered(window) {
7333 captured_mouse_down = pending_mouse_down.take();
7334 window.refresh();
7335 }
7336 }),
7337 // Fire click handlers during the bubble phase.
7338 DispatchPhase::Bubble => editor.update(cx, |editor, cx| {
7339 if let Some(mouse_down) = captured_mouse_down.take() {
7340 let event = ClickEvent::Mouse(MouseClickEvent {
7341 down: mouse_down,
7342 up: event.clone(),
7343 });
7344 Self::click(editor, &event, &position_map, window, cx);
7345 }
7346 }),
7347 }
7348 });
7349
7350 window.on_mouse_event({
7351 let position_map = layout.position_map.clone();
7352 let editor = self.editor.clone();
7353
7354 move |event: &MouseMoveEvent, phase, window, cx| {
7355 if phase == DispatchPhase::Bubble {
7356 editor.update(cx, |editor, cx| {
7357 if editor.hover_state.focused(window, cx) {
7358 return;
7359 }
7360 if event.pressed_button == Some(MouseButton::Left)
7361 || event.pressed_button == Some(MouseButton::Middle)
7362 {
7363 Self::mouse_dragged(editor, event, &position_map, window, cx)
7364 }
7365
7366 Self::mouse_moved(editor, event, &position_map, window, cx)
7367 });
7368 }
7369 }
7370 });
7371 }
7372
7373 fn column_pixels(&self, column: usize, window: &Window) -> Pixels {
7374 let style = &self.style;
7375 let font_size = style.text.font_size.to_pixels(window.rem_size());
7376 let layout = window.text_system().shape_line(
7377 SharedString::from(" ".repeat(column)),
7378 font_size,
7379 &[TextRun {
7380 len: column,
7381 font: style.text.font(),
7382 color: Hsla::default(),
7383 background_color: None,
7384 underline: None,
7385 strikethrough: None,
7386 }],
7387 None,
7388 );
7389
7390 layout.width
7391 }
7392
7393 fn max_line_number_width(&self, snapshot: &EditorSnapshot, window: &mut Window) -> Pixels {
7394 let digit_count = snapshot.widest_line_number().ilog10() + 1;
7395 self.column_pixels(digit_count as usize, window)
7396 }
7397
7398 fn shape_line_number(
7399 &self,
7400 text: SharedString,
7401 color: Hsla,
7402 window: &mut Window,
7403 ) -> ShapedLine {
7404 let run = TextRun {
7405 len: text.len(),
7406 font: self.style.text.font(),
7407 color,
7408 background_color: None,
7409 underline: None,
7410 strikethrough: None,
7411 };
7412 window.text_system().shape_line(
7413 text,
7414 self.style.text.font_size.to_pixels(window.rem_size()),
7415 &[run],
7416 None,
7417 )
7418 }
7419
7420 fn diff_hunk_hollow(status: DiffHunkStatus, cx: &mut App) -> bool {
7421 let unstaged = status.has_secondary_hunk();
7422 let unstaged_hollow = matches!(
7423 ProjectSettings::get_global(cx).git.hunk_style,
7424 GitHunkStyleSetting::UnstagedHollow
7425 );
7426
7427 unstaged == unstaged_hollow
7428 }
7429
7430 #[cfg(debug_assertions)]
7431 fn layout_debug_ranges(
7432 selections: &mut Vec<(PlayerColor, Vec<SelectionLayout>)>,
7433 anchor_range: Range<Anchor>,
7434 display_snapshot: &DisplaySnapshot,
7435 cx: &App,
7436 ) {
7437 let theme = cx.theme();
7438 text::debug::GlobalDebugRanges::with_locked(|debug_ranges| {
7439 if debug_ranges.ranges.is_empty() {
7440 return;
7441 }
7442 let buffer_snapshot = &display_snapshot.buffer_snapshot();
7443 for (buffer, buffer_range, excerpt_id) in
7444 buffer_snapshot.range_to_buffer_ranges(anchor_range)
7445 {
7446 let buffer_range =
7447 buffer.anchor_after(buffer_range.start)..buffer.anchor_before(buffer_range.end);
7448 selections.extend(debug_ranges.ranges.iter().flat_map(|debug_range| {
7449 let player_color = theme
7450 .players()
7451 .color_for_participant(debug_range.occurrence_index as u32 + 1);
7452 debug_range.ranges.iter().filter_map(move |range| {
7453 if range.start.buffer_id != Some(buffer.remote_id()) {
7454 return None;
7455 }
7456 let clipped_start = range.start.max(&buffer_range.start, buffer);
7457 let clipped_end = range.end.min(&buffer_range.end, buffer);
7458 let range = buffer_snapshot.anchor_in_excerpt(excerpt_id, clipped_start)?
7459 ..buffer_snapshot.anchor_in_excerpt(excerpt_id, clipped_end)?;
7460 let start = range.start.to_display_point(display_snapshot);
7461 let end = range.end.to_display_point(display_snapshot);
7462 let selection_layout = SelectionLayout {
7463 head: start,
7464 range: start..end,
7465 cursor_shape: CursorShape::Bar,
7466 is_newest: false,
7467 is_local: false,
7468 active_rows: start.row()..end.row(),
7469 user_name: Some(SharedString::new(debug_range.value.clone())),
7470 };
7471 Some((player_color, vec![selection_layout]))
7472 })
7473 }));
7474 }
7475 });
7476 }
7477}
7478
7479fn header_jump_data(
7480 snapshot: &EditorSnapshot,
7481 block_row_start: DisplayRow,
7482 height: u32,
7483 for_excerpt: &ExcerptInfo,
7484) -> JumpData {
7485 let range = &for_excerpt.range;
7486 let buffer = &for_excerpt.buffer;
7487 let jump_anchor = range.primary.start;
7488
7489 let excerpt_start = range.context.start;
7490 let jump_position = language::ToPoint::to_point(&jump_anchor, buffer);
7491 let rows_from_excerpt_start = if jump_anchor == excerpt_start {
7492 0
7493 } else {
7494 let excerpt_start_point = language::ToPoint::to_point(&excerpt_start, buffer);
7495 jump_position.row.saturating_sub(excerpt_start_point.row)
7496 };
7497
7498 let line_offset_from_top = (block_row_start.0 + height + rows_from_excerpt_start)
7499 .saturating_sub(
7500 snapshot
7501 .scroll_anchor
7502 .scroll_position(&snapshot.display_snapshot)
7503 .y as u32,
7504 );
7505
7506 JumpData::MultiBufferPoint {
7507 excerpt_id: for_excerpt.id,
7508 anchor: jump_anchor,
7509 position: jump_position,
7510 line_offset_from_top,
7511 }
7512}
7513
7514pub struct AcceptEditPredictionBinding(pub(crate) Option<gpui::KeyBinding>);
7515
7516impl AcceptEditPredictionBinding {
7517 pub fn keystroke(&self) -> Option<&KeybindingKeystroke> {
7518 if let Some(binding) = self.0.as_ref() {
7519 match &binding.keystrokes() {
7520 [keystroke, ..] => Some(keystroke),
7521 _ => None,
7522 }
7523 } else {
7524 None
7525 }
7526 }
7527}
7528
7529fn prepaint_gutter_button(
7530 button: IconButton,
7531 row: DisplayRow,
7532 line_height: Pixels,
7533 gutter_dimensions: &GutterDimensions,
7534 scroll_position: gpui::Point<ScrollOffset>,
7535 gutter_hitbox: &Hitbox,
7536 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
7537 window: &mut Window,
7538 cx: &mut App,
7539) -> AnyElement {
7540 let mut button = button.into_any_element();
7541
7542 let available_space = size(
7543 AvailableSpace::MinContent,
7544 AvailableSpace::Definite(line_height),
7545 );
7546 let indicator_size = button.layout_as_root(available_space, window, cx);
7547
7548 let blame_width = gutter_dimensions.git_blame_entries_width;
7549 let gutter_width = display_hunks
7550 .binary_search_by(|(hunk, _)| match hunk {
7551 DisplayDiffHunk::Folded { display_row } => display_row.cmp(&row),
7552 DisplayDiffHunk::Unfolded {
7553 display_row_range, ..
7554 } => {
7555 if display_row_range.end <= row {
7556 Ordering::Less
7557 } else if display_row_range.start > row {
7558 Ordering::Greater
7559 } else {
7560 Ordering::Equal
7561 }
7562 }
7563 })
7564 .ok()
7565 .and_then(|ix| Some(display_hunks[ix].1.as_ref()?.size.width));
7566 let left_offset = blame_width.max(gutter_width).unwrap_or_default();
7567
7568 let mut x = left_offset;
7569 let available_width = gutter_dimensions.margin + gutter_dimensions.left_padding
7570 - indicator_size.width
7571 - left_offset;
7572 x += available_width / 2.;
7573
7574 let mut y =
7575 Pixels::from((row.as_f64() - scroll_position.y) * ScrollPixelOffset::from(line_height));
7576 y += (line_height - indicator_size.height) / 2.;
7577
7578 button.prepaint_as_root(
7579 gutter_hitbox.origin + point(x, y),
7580 available_space,
7581 window,
7582 cx,
7583 );
7584 button
7585}
7586
7587fn render_inline_blame_entry(
7588 blame_entry: BlameEntry,
7589 style: &EditorStyle,
7590 cx: &mut App,
7591) -> Option<AnyElement> {
7592 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7593 renderer.render_inline_blame_entry(&style.text, blame_entry, cx)
7594}
7595
7596fn render_blame_entry_popover(
7597 blame_entry: BlameEntry,
7598 scroll_handle: ScrollHandle,
7599 commit_message: Option<ParsedCommitMessage>,
7600 markdown: Entity<Markdown>,
7601 workspace: WeakEntity<Workspace>,
7602 blame: &Entity<GitBlame>,
7603 buffer: BufferId,
7604 window: &mut Window,
7605 cx: &mut App,
7606) -> Option<AnyElement> {
7607 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7608 let blame = blame.read(cx);
7609 let repository = blame.repository(cx, buffer)?;
7610 renderer.render_blame_entry_popover(
7611 blame_entry,
7612 scroll_handle,
7613 commit_message,
7614 markdown,
7615 repository,
7616 workspace,
7617 window,
7618 cx,
7619 )
7620}
7621
7622fn render_blame_entry(
7623 ix: usize,
7624 blame: &Entity<GitBlame>,
7625 blame_entry: BlameEntry,
7626 style: &EditorStyle,
7627 last_used_color: &mut Option<(Hsla, Oid)>,
7628 editor: Entity<Editor>,
7629 workspace: Entity<Workspace>,
7630 buffer: BufferId,
7631 renderer: &dyn BlameRenderer,
7632 window: &mut Window,
7633 cx: &mut App,
7634) -> Option<AnyElement> {
7635 let index: u32 = blame_entry.sha.into();
7636 let mut sha_color = cx.theme().players().color_for_participant(index).cursor;
7637
7638 // If the last color we used is the same as the one we get for this line, but
7639 // the commit SHAs are different, then we try again to get a different color.
7640 if let Some((color, sha)) = *last_used_color
7641 && sha != blame_entry.sha
7642 && color == sha_color
7643 {
7644 sha_color = cx.theme().players().color_for_participant(index + 1).cursor;
7645 }
7646 last_used_color.replace((sha_color, blame_entry.sha));
7647
7648 let blame = blame.read(cx);
7649 let details = blame.details_for_entry(buffer, &blame_entry);
7650 let repository = blame.repository(cx, buffer)?;
7651 renderer.render_blame_entry(
7652 &style.text,
7653 blame_entry,
7654 details,
7655 repository,
7656 workspace.downgrade(),
7657 editor,
7658 ix,
7659 sha_color,
7660 window,
7661 cx,
7662 )
7663}
7664
7665#[derive(Debug)]
7666pub(crate) struct LineWithInvisibles {
7667 fragments: SmallVec<[LineFragment; 1]>,
7668 invisibles: Vec<Invisible>,
7669 len: usize,
7670 pub(crate) width: Pixels,
7671 font_size: Pixels,
7672}
7673
7674enum LineFragment {
7675 Text(ShapedLine),
7676 Element {
7677 id: ChunkRendererId,
7678 element: Option<AnyElement>,
7679 size: Size<Pixels>,
7680 len: usize,
7681 },
7682}
7683
7684impl fmt::Debug for LineFragment {
7685 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
7686 match self {
7687 LineFragment::Text(shaped_line) => f.debug_tuple("Text").field(shaped_line).finish(),
7688 LineFragment::Element { size, len, .. } => f
7689 .debug_struct("Element")
7690 .field("size", size)
7691 .field("len", len)
7692 .finish(),
7693 }
7694 }
7695}
7696
7697impl LineWithInvisibles {
7698 fn from_chunks<'a>(
7699 chunks: impl Iterator<Item = HighlightedChunk<'a>>,
7700 editor_style: &EditorStyle,
7701 max_line_len: usize,
7702 max_line_count: usize,
7703 editor_mode: &EditorMode,
7704 text_width: Pixels,
7705 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
7706 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
7707 window: &mut Window,
7708 cx: &mut App,
7709 ) -> Vec<Self> {
7710 let text_style = &editor_style.text;
7711 let mut layouts = Vec::with_capacity(max_line_count);
7712 let mut fragments: SmallVec<[LineFragment; 1]> = SmallVec::new();
7713 let mut line = String::new();
7714 let mut invisibles = Vec::new();
7715 let mut width = Pixels::ZERO;
7716 let mut len = 0;
7717 let mut styles = Vec::new();
7718 let mut non_whitespace_added = false;
7719 let mut row = 0;
7720 let mut line_exceeded_max_len = false;
7721 let font_size = text_style.font_size.to_pixels(window.rem_size());
7722 let min_contrast = EditorSettings::get_global(cx).minimum_contrast_for_highlights;
7723
7724 let ellipsis = SharedString::from("β―");
7725
7726 for highlighted_chunk in chunks.chain([HighlightedChunk {
7727 text: "\n",
7728 style: None,
7729 is_tab: false,
7730 is_inlay: false,
7731 replacement: None,
7732 }]) {
7733 if let Some(replacement) = highlighted_chunk.replacement {
7734 if !line.is_empty() {
7735 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7736 let text_runs: &[TextRun] = if segments.is_empty() {
7737 &styles
7738 } else {
7739 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
7740 };
7741 let shaped_line = window.text_system().shape_line(
7742 line.clone().into(),
7743 font_size,
7744 text_runs,
7745 None,
7746 );
7747 width += shaped_line.width;
7748 len += shaped_line.len;
7749 fragments.push(LineFragment::Text(shaped_line));
7750 line.clear();
7751 styles.clear();
7752 }
7753
7754 match replacement {
7755 ChunkReplacement::Renderer(renderer) => {
7756 let available_width = if renderer.constrain_width {
7757 let chunk = if highlighted_chunk.text == ellipsis.as_ref() {
7758 ellipsis.clone()
7759 } else {
7760 SharedString::from(Arc::from(highlighted_chunk.text))
7761 };
7762 let shaped_line = window.text_system().shape_line(
7763 chunk,
7764 font_size,
7765 &[text_style.to_run(highlighted_chunk.text.len())],
7766 None,
7767 );
7768 AvailableSpace::Definite(shaped_line.width)
7769 } else {
7770 AvailableSpace::MinContent
7771 };
7772
7773 let mut element = (renderer.render)(&mut ChunkRendererContext {
7774 context: cx,
7775 window,
7776 max_width: text_width,
7777 });
7778 let line_height = text_style.line_height_in_pixels(window.rem_size());
7779 let size = element.layout_as_root(
7780 size(available_width, AvailableSpace::Definite(line_height)),
7781 window,
7782 cx,
7783 );
7784
7785 width += size.width;
7786 len += highlighted_chunk.text.len();
7787 fragments.push(LineFragment::Element {
7788 id: renderer.id,
7789 element: Some(element),
7790 size,
7791 len: highlighted_chunk.text.len(),
7792 });
7793 }
7794 ChunkReplacement::Str(x) => {
7795 let text_style = if let Some(style) = highlighted_chunk.style {
7796 Cow::Owned(text_style.clone().highlight(style))
7797 } else {
7798 Cow::Borrowed(text_style)
7799 };
7800
7801 let run = TextRun {
7802 len: x.len(),
7803 font: text_style.font(),
7804 color: text_style.color,
7805 background_color: text_style.background_color,
7806 underline: text_style.underline,
7807 strikethrough: text_style.strikethrough,
7808 };
7809 let line_layout = window
7810 .text_system()
7811 .shape_line(x, font_size, &[run], None)
7812 .with_len(highlighted_chunk.text.len());
7813
7814 width += line_layout.width;
7815 len += highlighted_chunk.text.len();
7816 fragments.push(LineFragment::Text(line_layout))
7817 }
7818 }
7819 } else {
7820 for (ix, mut line_chunk) in highlighted_chunk.text.split('\n').enumerate() {
7821 if ix > 0 {
7822 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7823 let text_runs = if segments.is_empty() {
7824 &styles
7825 } else {
7826 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
7827 };
7828 let shaped_line = window.text_system().shape_line(
7829 line.clone().into(),
7830 font_size,
7831 text_runs,
7832 None,
7833 );
7834 width += shaped_line.width;
7835 len += shaped_line.len;
7836 fragments.push(LineFragment::Text(shaped_line));
7837 layouts.push(Self {
7838 width: mem::take(&mut width),
7839 len: mem::take(&mut len),
7840 fragments: mem::take(&mut fragments),
7841 invisibles: std::mem::take(&mut invisibles),
7842 font_size,
7843 });
7844
7845 line.clear();
7846 styles.clear();
7847 row += 1;
7848 line_exceeded_max_len = false;
7849 non_whitespace_added = false;
7850 if row == max_line_count {
7851 return layouts;
7852 }
7853 }
7854
7855 if !line_chunk.is_empty() && !line_exceeded_max_len {
7856 let text_style = if let Some(style) = highlighted_chunk.style {
7857 Cow::Owned(text_style.clone().highlight(style))
7858 } else {
7859 Cow::Borrowed(text_style)
7860 };
7861
7862 if line.len() + line_chunk.len() > max_line_len {
7863 let mut chunk_len = max_line_len - line.len();
7864 while !line_chunk.is_char_boundary(chunk_len) {
7865 chunk_len -= 1;
7866 }
7867 line_chunk = &line_chunk[..chunk_len];
7868 line_exceeded_max_len = true;
7869 }
7870
7871 styles.push(TextRun {
7872 len: line_chunk.len(),
7873 font: text_style.font(),
7874 color: text_style.color,
7875 background_color: text_style.background_color,
7876 underline: text_style.underline,
7877 strikethrough: text_style.strikethrough,
7878 });
7879
7880 if editor_mode.is_full() && !highlighted_chunk.is_inlay {
7881 // Line wrap pads its contents with fake whitespaces,
7882 // avoid printing them
7883 let is_soft_wrapped = is_row_soft_wrapped(row);
7884 if highlighted_chunk.is_tab {
7885 if non_whitespace_added || !is_soft_wrapped {
7886 invisibles.push(Invisible::Tab {
7887 line_start_offset: line.len(),
7888 line_end_offset: line.len() + line_chunk.len(),
7889 });
7890 }
7891 } else {
7892 invisibles.extend(line_chunk.char_indices().filter_map(
7893 |(index, c)| {
7894 let is_whitespace = c.is_whitespace();
7895 non_whitespace_added |= !is_whitespace;
7896 if is_whitespace
7897 && (non_whitespace_added || !is_soft_wrapped)
7898 {
7899 Some(Invisible::Whitespace {
7900 line_offset: line.len() + index,
7901 })
7902 } else {
7903 None
7904 }
7905 },
7906 ))
7907 }
7908 }
7909
7910 line.push_str(line_chunk);
7911 }
7912 }
7913 }
7914 }
7915
7916 layouts
7917 }
7918
7919 /// Takes text runs and non-overlapping left-to-right background ranges with color.
7920 /// Returns new text runs with adjusted contrast as per background ranges.
7921 fn split_runs_by_bg_segments(
7922 text_runs: &[TextRun],
7923 bg_segments: &[(Range<DisplayPoint>, Hsla)],
7924 min_contrast: f32,
7925 start_col_offset: usize,
7926 ) -> Vec<TextRun> {
7927 let mut output_runs: Vec<TextRun> = Vec::with_capacity(text_runs.len());
7928 let mut line_col = start_col_offset;
7929 let mut segment_ix = 0usize;
7930
7931 for text_run in text_runs.iter() {
7932 let run_start_col = line_col;
7933 let run_end_col = run_start_col + text_run.len;
7934 while segment_ix < bg_segments.len()
7935 && (bg_segments[segment_ix].0.end.column() as usize) <= run_start_col
7936 {
7937 segment_ix += 1;
7938 }
7939 let mut cursor_col = run_start_col;
7940 let mut local_segment_ix = segment_ix;
7941 while local_segment_ix < bg_segments.len() {
7942 let (range, segment_color) = &bg_segments[local_segment_ix];
7943 let segment_start_col = range.start.column() as usize;
7944 let segment_end_col = range.end.column() as usize;
7945 if segment_start_col >= run_end_col {
7946 break;
7947 }
7948 if segment_start_col > cursor_col {
7949 let span_len = segment_start_col - cursor_col;
7950 output_runs.push(TextRun {
7951 len: span_len,
7952 font: text_run.font.clone(),
7953 color: text_run.color,
7954 background_color: text_run.background_color,
7955 underline: text_run.underline,
7956 strikethrough: text_run.strikethrough,
7957 });
7958 cursor_col = segment_start_col;
7959 }
7960 let segment_slice_end_col = segment_end_col.min(run_end_col);
7961 if segment_slice_end_col > cursor_col {
7962 let new_text_color =
7963 ensure_minimum_contrast(text_run.color, *segment_color, min_contrast);
7964 output_runs.push(TextRun {
7965 len: segment_slice_end_col - cursor_col,
7966 font: text_run.font.clone(),
7967 color: new_text_color,
7968 background_color: text_run.background_color,
7969 underline: text_run.underline,
7970 strikethrough: text_run.strikethrough,
7971 });
7972 cursor_col = segment_slice_end_col;
7973 }
7974 if segment_end_col >= run_end_col {
7975 break;
7976 }
7977 local_segment_ix += 1;
7978 }
7979 if cursor_col < run_end_col {
7980 output_runs.push(TextRun {
7981 len: run_end_col - cursor_col,
7982 font: text_run.font.clone(),
7983 color: text_run.color,
7984 background_color: text_run.background_color,
7985 underline: text_run.underline,
7986 strikethrough: text_run.strikethrough,
7987 });
7988 }
7989 line_col = run_end_col;
7990 segment_ix = local_segment_ix;
7991 }
7992 output_runs
7993 }
7994
7995 fn prepaint(
7996 &mut self,
7997 line_height: Pixels,
7998 scroll_position: gpui::Point<ScrollOffset>,
7999 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
8000 row: DisplayRow,
8001 content_origin: gpui::Point<Pixels>,
8002 line_elements: &mut SmallVec<[AnyElement; 1]>,
8003 window: &mut Window,
8004 cx: &mut App,
8005 ) {
8006 let line_y = f32::from(line_height) * Pixels::from(row.as_f64() - scroll_position.y);
8007 let mut fragment_origin =
8008 content_origin + gpui::point(Pixels::from(-scroll_pixel_position.x), line_y);
8009 for fragment in &mut self.fragments {
8010 match fragment {
8011 LineFragment::Text(line) => {
8012 fragment_origin.x += line.width;
8013 }
8014 LineFragment::Element { element, size, .. } => {
8015 let mut element = element
8016 .take()
8017 .expect("you can't prepaint LineWithInvisibles twice");
8018
8019 // Center the element vertically within the line.
8020 let mut element_origin = fragment_origin;
8021 element_origin.y += (line_height - size.height) / 2.;
8022 element.prepaint_at(element_origin, window, cx);
8023 line_elements.push(element);
8024
8025 fragment_origin.x += size.width;
8026 }
8027 }
8028 }
8029 }
8030
8031 fn draw(
8032 &self,
8033 layout: &EditorLayout,
8034 row: DisplayRow,
8035 content_origin: gpui::Point<Pixels>,
8036 whitespace_setting: ShowWhitespaceSetting,
8037 selection_ranges: &[Range<DisplayPoint>],
8038 window: &mut Window,
8039 cx: &mut App,
8040 ) {
8041 let line_height = layout.position_map.line_height;
8042 let line_y = line_height * (row.as_f64() - layout.position_map.scroll_position.y) as f32;
8043
8044 let mut fragment_origin = content_origin
8045 + gpui::point(
8046 Pixels::from(-layout.position_map.scroll_pixel_position.x),
8047 line_y,
8048 );
8049
8050 for fragment in &self.fragments {
8051 match fragment {
8052 LineFragment::Text(line) => {
8053 line.paint(fragment_origin, line_height, window, cx)
8054 .log_err();
8055 fragment_origin.x += line.width;
8056 }
8057 LineFragment::Element { size, .. } => {
8058 fragment_origin.x += size.width;
8059 }
8060 }
8061 }
8062
8063 self.draw_invisibles(
8064 selection_ranges,
8065 layout,
8066 content_origin,
8067 line_y,
8068 row,
8069 line_height,
8070 whitespace_setting,
8071 window,
8072 cx,
8073 );
8074 }
8075
8076 fn draw_background(
8077 &self,
8078 layout: &EditorLayout,
8079 row: DisplayRow,
8080 content_origin: gpui::Point<Pixels>,
8081 window: &mut Window,
8082 cx: &mut App,
8083 ) {
8084 let line_height = layout.position_map.line_height;
8085 let line_y = line_height * (row.as_f64() - layout.position_map.scroll_position.y) as f32;
8086
8087 let mut fragment_origin = content_origin
8088 + gpui::point(
8089 Pixels::from(-layout.position_map.scroll_pixel_position.x),
8090 line_y,
8091 );
8092
8093 for fragment in &self.fragments {
8094 match fragment {
8095 LineFragment::Text(line) => {
8096 line.paint_background(fragment_origin, line_height, window, cx)
8097 .log_err();
8098 fragment_origin.x += line.width;
8099 }
8100 LineFragment::Element { size, .. } => {
8101 fragment_origin.x += size.width;
8102 }
8103 }
8104 }
8105 }
8106
8107 fn draw_invisibles(
8108 &self,
8109 selection_ranges: &[Range<DisplayPoint>],
8110 layout: &EditorLayout,
8111 content_origin: gpui::Point<Pixels>,
8112 line_y: Pixels,
8113 row: DisplayRow,
8114 line_height: Pixels,
8115 whitespace_setting: ShowWhitespaceSetting,
8116 window: &mut Window,
8117 cx: &mut App,
8118 ) {
8119 let extract_whitespace_info = |invisible: &Invisible| {
8120 let (token_offset, token_end_offset, invisible_symbol) = match invisible {
8121 Invisible::Tab {
8122 line_start_offset,
8123 line_end_offset,
8124 } => (*line_start_offset, *line_end_offset, &layout.tab_invisible),
8125 Invisible::Whitespace { line_offset } => {
8126 (*line_offset, line_offset + 1, &layout.space_invisible)
8127 }
8128 };
8129
8130 let x_offset: ScrollPixelOffset = self.x_for_index(token_offset).into();
8131 let invisible_offset: ScrollPixelOffset =
8132 ((layout.position_map.em_width - invisible_symbol.width).max(Pixels::ZERO) / 2.0)
8133 .into();
8134 let origin = content_origin
8135 + gpui::point(
8136 Pixels::from(
8137 x_offset + invisible_offset - layout.position_map.scroll_pixel_position.x,
8138 ),
8139 line_y,
8140 );
8141
8142 (
8143 [token_offset, token_end_offset],
8144 Box::new(move |window: &mut Window, cx: &mut App| {
8145 invisible_symbol
8146 .paint(origin, line_height, window, cx)
8147 .log_err();
8148 }),
8149 )
8150 };
8151
8152 let invisible_iter = self.invisibles.iter().map(extract_whitespace_info);
8153 match whitespace_setting {
8154 ShowWhitespaceSetting::None => (),
8155 ShowWhitespaceSetting::All => invisible_iter.for_each(|(_, paint)| paint(window, cx)),
8156 ShowWhitespaceSetting::Selection => invisible_iter.for_each(|([start, _], paint)| {
8157 let invisible_point = DisplayPoint::new(row, start as u32);
8158 if !selection_ranges
8159 .iter()
8160 .any(|region| region.start <= invisible_point && invisible_point < region.end)
8161 {
8162 return;
8163 }
8164
8165 paint(window, cx);
8166 }),
8167
8168 ShowWhitespaceSetting::Trailing => {
8169 let mut previous_start = self.len;
8170 for ([start, end], paint) in invisible_iter.rev() {
8171 if previous_start != end {
8172 break;
8173 }
8174 previous_start = start;
8175 paint(window, cx);
8176 }
8177 }
8178
8179 // For a whitespace to be on a boundary, any of the following conditions need to be met:
8180 // - It is a tab
8181 // - It is adjacent to an edge (start or end)
8182 // - It is adjacent to a whitespace (left or right)
8183 ShowWhitespaceSetting::Boundary => {
8184 // 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
8185 // the above cases.
8186 // Note: We zip in the original `invisibles` to check for tab equality
8187 let mut last_seen: Option<(bool, usize, Box<dyn Fn(&mut Window, &mut App)>)> = None;
8188 for (([start, end], paint), invisible) in
8189 invisible_iter.zip_eq(self.invisibles.iter())
8190 {
8191 let should_render = match (&last_seen, invisible) {
8192 (_, Invisible::Tab { .. }) => true,
8193 (Some((_, last_end, _)), _) => *last_end == start,
8194 _ => false,
8195 };
8196
8197 if should_render || start == 0 || end == self.len {
8198 paint(window, cx);
8199
8200 // Since we are scanning from the left, we will skip over the first available whitespace that is part
8201 // of a boundary between non-whitespace segments, so we correct by manually redrawing it if needed.
8202 if let Some((should_render_last, last_end, paint_last)) = last_seen {
8203 // Note that we need to make sure that the last one is actually adjacent
8204 if !should_render_last && last_end == start {
8205 paint_last(window, cx);
8206 }
8207 }
8208 }
8209
8210 // Manually render anything within a selection
8211 let invisible_point = DisplayPoint::new(row, start as u32);
8212 if selection_ranges.iter().any(|region| {
8213 region.start <= invisible_point && invisible_point < region.end
8214 }) {
8215 paint(window, cx);
8216 }
8217
8218 last_seen = Some((should_render, end, paint));
8219 }
8220 }
8221 }
8222 }
8223
8224 pub fn x_for_index(&self, index: usize) -> Pixels {
8225 let mut fragment_start_x = Pixels::ZERO;
8226 let mut fragment_start_index = 0;
8227
8228 for fragment in &self.fragments {
8229 match fragment {
8230 LineFragment::Text(shaped_line) => {
8231 let fragment_end_index = fragment_start_index + shaped_line.len;
8232 if index < fragment_end_index {
8233 return fragment_start_x
8234 + shaped_line.x_for_index(index - fragment_start_index);
8235 }
8236 fragment_start_x += shaped_line.width;
8237 fragment_start_index = fragment_end_index;
8238 }
8239 LineFragment::Element { len, size, .. } => {
8240 let fragment_end_index = fragment_start_index + len;
8241 if index < fragment_end_index {
8242 return fragment_start_x;
8243 }
8244 fragment_start_x += size.width;
8245 fragment_start_index = fragment_end_index;
8246 }
8247 }
8248 }
8249
8250 fragment_start_x
8251 }
8252
8253 pub fn index_for_x(&self, x: Pixels) -> Option<usize> {
8254 let mut fragment_start_x = Pixels::ZERO;
8255 let mut fragment_start_index = 0;
8256
8257 for fragment in &self.fragments {
8258 match fragment {
8259 LineFragment::Text(shaped_line) => {
8260 let fragment_end_x = fragment_start_x + shaped_line.width;
8261 if x < fragment_end_x {
8262 return Some(
8263 fragment_start_index + shaped_line.index_for_x(x - fragment_start_x)?,
8264 );
8265 }
8266 fragment_start_x = fragment_end_x;
8267 fragment_start_index += shaped_line.len;
8268 }
8269 LineFragment::Element { len, size, .. } => {
8270 let fragment_end_x = fragment_start_x + size.width;
8271 if x < fragment_end_x {
8272 return Some(fragment_start_index);
8273 }
8274 fragment_start_index += len;
8275 fragment_start_x = fragment_end_x;
8276 }
8277 }
8278 }
8279
8280 None
8281 }
8282
8283 pub fn font_id_for_index(&self, index: usize) -> Option<FontId> {
8284 let mut fragment_start_index = 0;
8285
8286 for fragment in &self.fragments {
8287 match fragment {
8288 LineFragment::Text(shaped_line) => {
8289 let fragment_end_index = fragment_start_index + shaped_line.len;
8290 if index < fragment_end_index {
8291 return shaped_line.font_id_for_index(index - fragment_start_index);
8292 }
8293 fragment_start_index = fragment_end_index;
8294 }
8295 LineFragment::Element { len, .. } => {
8296 let fragment_end_index = fragment_start_index + len;
8297 if index < fragment_end_index {
8298 return None;
8299 }
8300 fragment_start_index = fragment_end_index;
8301 }
8302 }
8303 }
8304
8305 None
8306 }
8307}
8308
8309#[derive(Debug, Clone, Copy, PartialEq, Eq)]
8310enum Invisible {
8311 /// A tab character
8312 ///
8313 /// A tab character is internally represented by spaces (configured by the user's tab width)
8314 /// aligned to the nearest column, so it's necessary to store the start and end offset for
8315 /// adjacency checks.
8316 Tab {
8317 line_start_offset: usize,
8318 line_end_offset: usize,
8319 },
8320 Whitespace {
8321 line_offset: usize,
8322 },
8323}
8324
8325impl EditorElement {
8326 /// Returns the rem size to use when rendering the [`EditorElement`].
8327 ///
8328 /// This allows UI elements to scale based on the `buffer_font_size`.
8329 fn rem_size(&self, cx: &mut App) -> Option<Pixels> {
8330 match self.editor.read(cx).mode {
8331 EditorMode::Full {
8332 scale_ui_elements_with_buffer_font_size: true,
8333 ..
8334 }
8335 | EditorMode::Minimap { .. } => {
8336 let buffer_font_size = self.style.text.font_size;
8337 match buffer_font_size {
8338 AbsoluteLength::Pixels(pixels) => {
8339 let rem_size_scale = {
8340 // Our default UI font size is 14px on a 16px base scale.
8341 // This means the default UI font size is 0.875rems.
8342 let default_font_size_scale = 14. / ui::BASE_REM_SIZE_IN_PX;
8343
8344 // We then determine the delta between a single rem and the default font
8345 // size scale.
8346 let default_font_size_delta = 1. - default_font_size_scale;
8347
8348 // Finally, we add this delta to 1rem to get the scale factor that
8349 // should be used to scale up the UI.
8350 1. + default_font_size_delta
8351 };
8352
8353 Some(pixels * rem_size_scale)
8354 }
8355 AbsoluteLength::Rems(rems) => {
8356 Some(rems.to_pixels(ui::BASE_REM_SIZE_IN_PX.into()))
8357 }
8358 }
8359 }
8360 // We currently use single-line and auto-height editors in UI contexts,
8361 // so we don't want to scale everything with the buffer font size, as it
8362 // ends up looking off.
8363 _ => None,
8364 }
8365 }
8366
8367 fn editor_with_selections(&self, cx: &App) -> Option<Entity<Editor>> {
8368 if let EditorMode::Minimap { parent } = self.editor.read(cx).mode() {
8369 parent.upgrade()
8370 } else {
8371 Some(self.editor.clone())
8372 }
8373 }
8374}
8375
8376impl Element for EditorElement {
8377 type RequestLayoutState = ();
8378 type PrepaintState = EditorLayout;
8379
8380 fn id(&self) -> Option<ElementId> {
8381 None
8382 }
8383
8384 fn source_location(&self) -> Option<&'static core::panic::Location<'static>> {
8385 None
8386 }
8387
8388 fn request_layout(
8389 &mut self,
8390 _: Option<&GlobalElementId>,
8391 _inspector_id: Option<&gpui::InspectorElementId>,
8392 window: &mut Window,
8393 cx: &mut App,
8394 ) -> (gpui::LayoutId, ()) {
8395 let rem_size = self.rem_size(cx);
8396 window.with_rem_size(rem_size, |window| {
8397 self.editor.update(cx, |editor, cx| {
8398 editor.set_style(self.style.clone(), window, cx);
8399
8400 let layout_id = match editor.mode {
8401 EditorMode::SingleLine => {
8402 let rem_size = window.rem_size();
8403 let height = self.style.text.line_height_in_pixels(rem_size);
8404 let mut style = Style::default();
8405 style.size.height = height.into();
8406 style.size.width = relative(1.).into();
8407 window.request_layout(style, None, cx)
8408 }
8409 EditorMode::AutoHeight {
8410 min_lines,
8411 max_lines,
8412 } => {
8413 let editor_handle = cx.entity();
8414 let max_line_number_width =
8415 self.max_line_number_width(&editor.snapshot(window, cx), window);
8416 window.request_measured_layout(
8417 Style::default(),
8418 move |known_dimensions, available_space, window, cx| {
8419 editor_handle
8420 .update(cx, |editor, cx| {
8421 compute_auto_height_layout(
8422 editor,
8423 min_lines,
8424 max_lines,
8425 max_line_number_width,
8426 known_dimensions,
8427 available_space.width,
8428 window,
8429 cx,
8430 )
8431 })
8432 .unwrap_or_default()
8433 },
8434 )
8435 }
8436 EditorMode::Minimap { .. } => {
8437 let mut style = Style::default();
8438 style.size.width = relative(1.).into();
8439 style.size.height = relative(1.).into();
8440 window.request_layout(style, None, cx)
8441 }
8442 EditorMode::Full {
8443 sized_by_content, ..
8444 } => {
8445 let mut style = Style::default();
8446 style.size.width = relative(1.).into();
8447 if sized_by_content {
8448 let snapshot = editor.snapshot(window, cx);
8449 let line_height =
8450 self.style.text.line_height_in_pixels(window.rem_size());
8451 let scroll_height =
8452 (snapshot.max_point().row().next_row().0 as f32) * line_height;
8453 style.size.height = scroll_height.into();
8454 } else {
8455 style.size.height = relative(1.).into();
8456 }
8457 window.request_layout(style, None, cx)
8458 }
8459 };
8460
8461 (layout_id, ())
8462 })
8463 })
8464 }
8465
8466 fn prepaint(
8467 &mut self,
8468 _: Option<&GlobalElementId>,
8469 _inspector_id: Option<&gpui::InspectorElementId>,
8470 bounds: Bounds<Pixels>,
8471 _: &mut Self::RequestLayoutState,
8472 window: &mut Window,
8473 cx: &mut App,
8474 ) -> Self::PrepaintState {
8475 let text_style = TextStyleRefinement {
8476 font_size: Some(self.style.text.font_size),
8477 line_height: Some(self.style.text.line_height),
8478 ..Default::default()
8479 };
8480
8481 let is_minimap = self.editor.read(cx).mode.is_minimap();
8482
8483 if !is_minimap {
8484 let focus_handle = self.editor.focus_handle(cx);
8485 window.set_view_id(self.editor.entity_id());
8486 window.set_focus_handle(&focus_handle, cx);
8487 }
8488
8489 let rem_size = self.rem_size(cx);
8490 window.with_rem_size(rem_size, |window| {
8491 window.with_text_style(Some(text_style), |window| {
8492 window.with_content_mask(Some(ContentMask { bounds }), |window| {
8493 let (mut snapshot, is_read_only) = self.editor.update(cx, |editor, cx| {
8494 (editor.snapshot(window, cx), editor.read_only(cx))
8495 });
8496 let style = &self.style;
8497
8498 let rem_size = window.rem_size();
8499 let font_id = window.text_system().resolve_font(&style.text.font());
8500 let font_size = style.text.font_size.to_pixels(rem_size);
8501 let line_height = style.text.line_height_in_pixels(rem_size);
8502 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
8503 let em_advance = window.text_system().em_advance(font_id, font_size).unwrap();
8504 let glyph_grid_cell = size(em_advance, line_height);
8505
8506 let gutter_dimensions = snapshot
8507 .gutter_dimensions(
8508 font_id,
8509 font_size,
8510 self.max_line_number_width(&snapshot, window),
8511 cx,
8512 )
8513 .or_else(|| {
8514 self.editor.read(cx).offset_content.then(|| {
8515 GutterDimensions::default_with_margin(font_id, font_size, cx)
8516 })
8517 })
8518 .unwrap_or_default();
8519 let text_width = bounds.size.width - gutter_dimensions.width;
8520
8521 let settings = EditorSettings::get_global(cx);
8522 let scrollbars_shown = settings.scrollbar.show != ShowScrollbar::Never;
8523 let vertical_scrollbar_width = (scrollbars_shown
8524 && settings.scrollbar.axes.vertical
8525 && self.editor.read(cx).show_scrollbars.vertical)
8526 .then_some(style.scrollbar_width)
8527 .unwrap_or_default();
8528 let minimap_width = self
8529 .get_minimap_width(
8530 &settings.minimap,
8531 scrollbars_shown,
8532 text_width,
8533 em_width,
8534 font_size,
8535 rem_size,
8536 cx,
8537 )
8538 .unwrap_or_default();
8539
8540 let right_margin = minimap_width + vertical_scrollbar_width;
8541
8542 let editor_width =
8543 text_width - gutter_dimensions.margin - 2 * em_width - right_margin;
8544 let editor_margins = EditorMargins {
8545 gutter: gutter_dimensions,
8546 right: right_margin,
8547 };
8548
8549 snapshot = self.editor.update(cx, |editor, cx| {
8550 editor.last_bounds = Some(bounds);
8551 editor.gutter_dimensions = gutter_dimensions;
8552 editor.set_visible_line_count(
8553 (bounds.size.height / line_height) as f64,
8554 window,
8555 cx,
8556 );
8557 editor.set_visible_column_count(f64::from(editor_width / em_advance));
8558
8559 if matches!(
8560 editor.mode,
8561 EditorMode::AutoHeight { .. } | EditorMode::Minimap { .. }
8562 ) {
8563 snapshot
8564 } else {
8565 let wrap_width_for = |column: u32| (column as f32 * em_advance).ceil();
8566 let wrap_width = match editor.soft_wrap_mode(cx) {
8567 SoftWrap::GitDiff => None,
8568 SoftWrap::None => Some(wrap_width_for(MAX_LINE_LEN as u32 / 2)),
8569 SoftWrap::EditorWidth => Some(editor_width),
8570 SoftWrap::Column(column) => Some(wrap_width_for(column)),
8571 SoftWrap::Bounded(column) => {
8572 Some(editor_width.min(wrap_width_for(column)))
8573 }
8574 };
8575
8576 if editor.set_wrap_width(wrap_width, cx) {
8577 editor.snapshot(window, cx)
8578 } else {
8579 snapshot
8580 }
8581 }
8582 });
8583
8584 let hitbox = window.insert_hitbox(bounds, HitboxBehavior::Normal);
8585 let gutter_hitbox = window.insert_hitbox(
8586 gutter_bounds(bounds, gutter_dimensions),
8587 HitboxBehavior::Normal,
8588 );
8589 let text_hitbox = window.insert_hitbox(
8590 Bounds {
8591 origin: gutter_hitbox.top_right(),
8592 size: size(text_width, bounds.size.height),
8593 },
8594 HitboxBehavior::Normal,
8595 );
8596
8597 // Offset the content_bounds from the text_bounds by the gutter margin (which
8598 // is roughly half a character wide) to make hit testing work more like how we want.
8599 let content_offset = point(editor_margins.gutter.margin, Pixels::ZERO);
8600 let content_origin = text_hitbox.origin + content_offset;
8601
8602 let height_in_lines = f64::from(bounds.size.height / line_height);
8603 let max_row = snapshot.max_point().row().as_f64();
8604
8605 // The max scroll position for the top of the window
8606 let max_scroll_top = if matches!(
8607 snapshot.mode,
8608 EditorMode::SingleLine
8609 | EditorMode::AutoHeight { .. }
8610 | EditorMode::Full {
8611 sized_by_content: true,
8612 ..
8613 }
8614 ) {
8615 (max_row - height_in_lines + 1.).max(0.)
8616 } else {
8617 let settings = EditorSettings::get_global(cx);
8618 match settings.scroll_beyond_last_line {
8619 ScrollBeyondLastLine::OnePage => max_row,
8620 ScrollBeyondLastLine::Off => (max_row - height_in_lines + 1.).max(0.),
8621 ScrollBeyondLastLine::VerticalScrollMargin => {
8622 (max_row - height_in_lines + 1. + settings.vertical_scroll_margin)
8623 .max(0.)
8624 }
8625 }
8626 };
8627
8628 let (
8629 autoscroll_request,
8630 autoscroll_containing_element,
8631 needs_horizontal_autoscroll,
8632 ) = self.editor.update(cx, |editor, cx| {
8633 let autoscroll_request = editor.scroll_manager.take_autoscroll_request();
8634
8635 let autoscroll_containing_element =
8636 autoscroll_request.is_some() || editor.has_pending_selection();
8637
8638 let (needs_horizontal_autoscroll, was_scrolled) = editor
8639 .autoscroll_vertically(
8640 bounds,
8641 line_height,
8642 max_scroll_top,
8643 autoscroll_request,
8644 window,
8645 cx,
8646 );
8647 if was_scrolled.0 {
8648 snapshot = editor.snapshot(window, cx);
8649 }
8650 (
8651 autoscroll_request,
8652 autoscroll_containing_element,
8653 needs_horizontal_autoscroll,
8654 )
8655 });
8656
8657 let mut scroll_position = snapshot.scroll_position();
8658 // The scroll position is a fractional point, the whole number of which represents
8659 // the top of the window in terms of display rows.
8660 let start_row = DisplayRow(scroll_position.y as u32);
8661 let max_row = snapshot.max_point().row();
8662 let end_row = cmp::min(
8663 (scroll_position.y + height_in_lines).ceil() as u32,
8664 max_row.next_row().0,
8665 );
8666 let end_row = DisplayRow(end_row);
8667
8668 let row_infos = snapshot
8669 .row_infos(start_row)
8670 .take((start_row..end_row).len())
8671 .collect::<Vec<RowInfo>>();
8672 let is_row_soft_wrapped = |row: usize| {
8673 row_infos
8674 .get(row)
8675 .is_none_or(|info| info.buffer_row.is_none())
8676 };
8677
8678 let start_anchor = if start_row == Default::default() {
8679 Anchor::min()
8680 } else {
8681 snapshot.buffer_snapshot().anchor_before(
8682 DisplayPoint::new(start_row, 0).to_offset(&snapshot, Bias::Left),
8683 )
8684 };
8685 let end_anchor = if end_row > max_row {
8686 Anchor::max()
8687 } else {
8688 snapshot.buffer_snapshot().anchor_before(
8689 DisplayPoint::new(end_row, 0).to_offset(&snapshot, Bias::Right),
8690 )
8691 };
8692
8693 let mut highlighted_rows = self
8694 .editor
8695 .update(cx, |editor, cx| editor.highlighted_display_rows(window, cx));
8696
8697 let is_light = cx.theme().appearance().is_light();
8698
8699 for (ix, row_info) in row_infos.iter().enumerate() {
8700 let Some(diff_status) = row_info.diff_status else {
8701 continue;
8702 };
8703
8704 let background_color = match diff_status.kind {
8705 DiffHunkStatusKind::Added => cx.theme().colors().version_control_added,
8706 DiffHunkStatusKind::Deleted => {
8707 cx.theme().colors().version_control_deleted
8708 }
8709 DiffHunkStatusKind::Modified => {
8710 debug_panic!("modified diff status for row info");
8711 continue;
8712 }
8713 };
8714
8715 let hunk_opacity = if is_light { 0.16 } else { 0.12 };
8716
8717 let hollow_highlight = LineHighlight {
8718 background: (background_color.opacity(if is_light {
8719 0.08
8720 } else {
8721 0.06
8722 }))
8723 .into(),
8724 border: Some(if is_light {
8725 background_color.opacity(0.48)
8726 } else {
8727 background_color.opacity(0.36)
8728 }),
8729 include_gutter: true,
8730 type_id: None,
8731 };
8732
8733 let filled_highlight = LineHighlight {
8734 background: solid_background(background_color.opacity(hunk_opacity)),
8735 border: None,
8736 include_gutter: true,
8737 type_id: None,
8738 };
8739
8740 let background = if Self::diff_hunk_hollow(diff_status, cx) {
8741 hollow_highlight
8742 } else {
8743 filled_highlight
8744 };
8745
8746 highlighted_rows
8747 .entry(start_row + DisplayRow(ix as u32))
8748 .or_insert(background);
8749 }
8750
8751 let highlighted_ranges = self
8752 .editor_with_selections(cx)
8753 .map(|editor| {
8754 editor.read(cx).background_highlights_in_range(
8755 start_anchor..end_anchor,
8756 &snapshot.display_snapshot,
8757 cx.theme(),
8758 )
8759 })
8760 .unwrap_or_default();
8761 let highlighted_gutter_ranges =
8762 self.editor.read(cx).gutter_highlights_in_range(
8763 start_anchor..end_anchor,
8764 &snapshot.display_snapshot,
8765 cx,
8766 );
8767
8768 let document_colors = self
8769 .editor
8770 .read(cx)
8771 .colors
8772 .as_ref()
8773 .map(|colors| colors.editor_display_highlights(&snapshot));
8774 let redacted_ranges = self.editor.read(cx).redacted_ranges(
8775 start_anchor..end_anchor,
8776 &snapshot.display_snapshot,
8777 cx,
8778 );
8779
8780 let (local_selections, selected_buffer_ids): (
8781 Vec<Selection<Point>>,
8782 Vec<BufferId>,
8783 ) = self
8784 .editor_with_selections(cx)
8785 .map(|editor| {
8786 editor.update(cx, |editor, cx| {
8787 let all_selections = editor.selections.all::<Point>(cx);
8788 let selected_buffer_ids =
8789 if editor.buffer_kind(cx) == ItemBufferKind::Singleton {
8790 Vec::new()
8791 } else {
8792 let mut selected_buffer_ids =
8793 Vec::with_capacity(all_selections.len());
8794
8795 for selection in all_selections {
8796 for buffer_id in snapshot
8797 .buffer_snapshot()
8798 .buffer_ids_for_range(selection.range())
8799 {
8800 if selected_buffer_ids.last() != Some(&buffer_id) {
8801 selected_buffer_ids.push(buffer_id);
8802 }
8803 }
8804 }
8805
8806 selected_buffer_ids
8807 };
8808
8809 let mut selections = editor
8810 .selections
8811 .disjoint_in_range(start_anchor..end_anchor, cx);
8812 selections.extend(editor.selections.pending(cx));
8813
8814 (selections, selected_buffer_ids)
8815 })
8816 })
8817 .unwrap_or_default();
8818
8819 let (selections, mut active_rows, newest_selection_head) = self
8820 .layout_selections(
8821 start_anchor,
8822 end_anchor,
8823 &local_selections,
8824 &snapshot,
8825 start_row,
8826 end_row,
8827 window,
8828 cx,
8829 );
8830 let mut breakpoint_rows = self.editor.update(cx, |editor, cx| {
8831 editor.active_breakpoints(start_row..end_row, window, cx)
8832 });
8833 for (display_row, (_, bp, state)) in &breakpoint_rows {
8834 if bp.is_enabled() && state.is_none_or(|s| s.verified) {
8835 active_rows.entry(*display_row).or_default().breakpoint = true;
8836 }
8837 }
8838
8839 let line_numbers = self.layout_line_numbers(
8840 Some(&gutter_hitbox),
8841 gutter_dimensions,
8842 line_height,
8843 scroll_position,
8844 start_row..end_row,
8845 &row_infos,
8846 &active_rows,
8847 newest_selection_head,
8848 &snapshot,
8849 window,
8850 cx,
8851 );
8852
8853 // We add the gutter breakpoint indicator to breakpoint_rows after painting
8854 // line numbers so we don't paint a line number debug accent color if a user
8855 // has their mouse over that line when a breakpoint isn't there
8856 self.editor.update(cx, |editor, _| {
8857 if let Some(phantom_breakpoint) = &mut editor
8858 .gutter_breakpoint_indicator
8859 .0
8860 .filter(|phantom_breakpoint| phantom_breakpoint.is_active)
8861 {
8862 // Is there a non-phantom breakpoint on this line?
8863 phantom_breakpoint.collides_with_existing_breakpoint = true;
8864 breakpoint_rows
8865 .entry(phantom_breakpoint.display_row)
8866 .or_insert_with(|| {
8867 let position = snapshot.display_point_to_anchor(
8868 DisplayPoint::new(phantom_breakpoint.display_row, 0),
8869 Bias::Right,
8870 );
8871 let breakpoint = Breakpoint::new_standard();
8872 phantom_breakpoint.collides_with_existing_breakpoint = false;
8873 (position, breakpoint, None)
8874 });
8875 }
8876 });
8877
8878 let mut expand_toggles =
8879 window.with_element_namespace("expand_toggles", |window| {
8880 self.layout_expand_toggles(
8881 &gutter_hitbox,
8882 gutter_dimensions,
8883 em_width,
8884 line_height,
8885 scroll_position,
8886 &row_infos,
8887 window,
8888 cx,
8889 )
8890 });
8891
8892 let mut crease_toggles =
8893 window.with_element_namespace("crease_toggles", |window| {
8894 self.layout_crease_toggles(
8895 start_row..end_row,
8896 &row_infos,
8897 &active_rows,
8898 &snapshot,
8899 window,
8900 cx,
8901 )
8902 });
8903 let crease_trailers =
8904 window.with_element_namespace("crease_trailers", |window| {
8905 self.layout_crease_trailers(
8906 row_infos.iter().copied(),
8907 &snapshot,
8908 window,
8909 cx,
8910 )
8911 });
8912
8913 let display_hunks = self.layout_gutter_diff_hunks(
8914 line_height,
8915 &gutter_hitbox,
8916 start_row..end_row,
8917 &snapshot,
8918 window,
8919 cx,
8920 );
8921
8922 let bg_segments_per_row = Self::bg_segments_per_row(
8923 start_row..end_row,
8924 &selections,
8925 &highlighted_ranges,
8926 self.style.background,
8927 );
8928
8929 let mut line_layouts = Self::layout_lines(
8930 start_row..end_row,
8931 &snapshot,
8932 &self.style,
8933 editor_width,
8934 is_row_soft_wrapped,
8935 &bg_segments_per_row,
8936 window,
8937 cx,
8938 );
8939 let new_renderer_widths = (!is_minimap).then(|| {
8940 line_layouts
8941 .iter()
8942 .flat_map(|layout| &layout.fragments)
8943 .filter_map(|fragment| {
8944 if let LineFragment::Element { id, size, .. } = fragment {
8945 Some((*id, size.width))
8946 } else {
8947 None
8948 }
8949 })
8950 });
8951 if new_renderer_widths.is_some_and(|new_renderer_widths| {
8952 self.editor.update(cx, |editor, cx| {
8953 editor.update_renderer_widths(new_renderer_widths, cx)
8954 })
8955 }) {
8956 // If the fold widths have changed, we need to prepaint
8957 // the element again to account for any changes in
8958 // wrapping.
8959 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
8960 }
8961
8962 let longest_line_blame_width = self
8963 .editor
8964 .update(cx, |editor, cx| {
8965 if !editor.show_git_blame_inline {
8966 return None;
8967 }
8968 let blame = editor.blame.as_ref()?;
8969 let (_, blame_entry) = blame
8970 .update(cx, |blame, cx| {
8971 let row_infos =
8972 snapshot.row_infos(snapshot.longest_row()).next()?;
8973 blame.blame_for_rows(&[row_infos], cx).next()
8974 })
8975 .flatten()?;
8976 let mut element = render_inline_blame_entry(blame_entry, style, cx)?;
8977 let inline_blame_padding =
8978 ProjectSettings::get_global(cx).git.inline_blame.padding as f32
8979 * em_advance;
8980 Some(
8981 element
8982 .layout_as_root(AvailableSpace::min_size(), window, cx)
8983 .width
8984 + inline_blame_padding,
8985 )
8986 })
8987 .unwrap_or(Pixels::ZERO);
8988
8989 let longest_line_width = layout_line(
8990 snapshot.longest_row(),
8991 &snapshot,
8992 style,
8993 editor_width,
8994 is_row_soft_wrapped,
8995 window,
8996 cx,
8997 )
8998 .width;
8999
9000 let scrollbar_layout_information = ScrollbarLayoutInformation::new(
9001 text_hitbox.bounds,
9002 glyph_grid_cell,
9003 size(
9004 longest_line_width,
9005 Pixels::from(max_row.as_f64() * f64::from(line_height)),
9006 ),
9007 longest_line_blame_width,
9008 EditorSettings::get_global(cx),
9009 );
9010
9011 let mut scroll_width = scrollbar_layout_information.scroll_range.width;
9012
9013 let sticky_header_excerpt = if snapshot.buffer_snapshot().show_headers() {
9014 snapshot.sticky_header_excerpt(scroll_position.y)
9015 } else {
9016 None
9017 };
9018 let sticky_header_excerpt_id =
9019 sticky_header_excerpt.as_ref().map(|top| top.excerpt.id);
9020
9021 let blocks = (!is_minimap)
9022 .then(|| {
9023 window.with_element_namespace("blocks", |window| {
9024 self.render_blocks(
9025 start_row..end_row,
9026 &snapshot,
9027 &hitbox,
9028 &text_hitbox,
9029 editor_width,
9030 &mut scroll_width,
9031 &editor_margins,
9032 em_width,
9033 gutter_dimensions.full_width(),
9034 line_height,
9035 &mut line_layouts,
9036 &local_selections,
9037 &selected_buffer_ids,
9038 is_row_soft_wrapped,
9039 sticky_header_excerpt_id,
9040 window,
9041 cx,
9042 )
9043 })
9044 })
9045 .unwrap_or_else(|| Ok((Vec::default(), HashMap::default())));
9046 let (mut blocks, row_block_types) = match blocks {
9047 Ok(blocks) => blocks,
9048 Err(resized_blocks) => {
9049 self.editor.update(cx, |editor, cx| {
9050 editor.resize_blocks(
9051 resized_blocks,
9052 autoscroll_request.map(|(autoscroll, _)| autoscroll),
9053 cx,
9054 )
9055 });
9056 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
9057 }
9058 };
9059
9060 let sticky_buffer_header = sticky_header_excerpt.map(|sticky_header_excerpt| {
9061 window.with_element_namespace("blocks", |window| {
9062 self.layout_sticky_buffer_header(
9063 sticky_header_excerpt,
9064 scroll_position,
9065 line_height,
9066 right_margin,
9067 &snapshot,
9068 &hitbox,
9069 &selected_buffer_ids,
9070 &blocks,
9071 window,
9072 cx,
9073 )
9074 })
9075 });
9076
9077 let start_buffer_row =
9078 MultiBufferRow(start_anchor.to_point(&snapshot.buffer_snapshot()).row);
9079 let end_buffer_row =
9080 MultiBufferRow(end_anchor.to_point(&snapshot.buffer_snapshot()).row);
9081
9082 let scroll_max: gpui::Point<ScrollPixelOffset> = point(
9083 ScrollPixelOffset::from(
9084 ((scroll_width - editor_width) / em_advance).max(0.0),
9085 ),
9086 max_scroll_top,
9087 );
9088
9089 self.editor.update(cx, |editor, cx| {
9090 if editor.scroll_manager.clamp_scroll_left(scroll_max.x) {
9091 scroll_position.x = scroll_position.x.min(scroll_max.x);
9092 }
9093
9094 if needs_horizontal_autoscroll.0
9095 && let Some(new_scroll_position) = editor.autoscroll_horizontally(
9096 start_row,
9097 editor_width,
9098 scroll_width,
9099 em_advance,
9100 &line_layouts,
9101 autoscroll_request,
9102 window,
9103 cx,
9104 )
9105 {
9106 scroll_position = new_scroll_position;
9107 }
9108 });
9109
9110 let scroll_pixel_position = point(
9111 scroll_position.x * f64::from(em_advance),
9112 scroll_position.y * f64::from(line_height),
9113 );
9114 let indent_guides = self.layout_indent_guides(
9115 content_origin,
9116 text_hitbox.origin,
9117 start_buffer_row..end_buffer_row,
9118 scroll_pixel_position,
9119 line_height,
9120 &snapshot,
9121 window,
9122 cx,
9123 );
9124
9125 let crease_trailers =
9126 window.with_element_namespace("crease_trailers", |window| {
9127 self.prepaint_crease_trailers(
9128 crease_trailers,
9129 &line_layouts,
9130 line_height,
9131 content_origin,
9132 scroll_pixel_position,
9133 em_width,
9134 window,
9135 cx,
9136 )
9137 });
9138
9139 let (edit_prediction_popover, edit_prediction_popover_origin) = self
9140 .editor
9141 .update(cx, |editor, cx| {
9142 editor.render_edit_prediction_popover(
9143 &text_hitbox.bounds,
9144 content_origin,
9145 right_margin,
9146 &snapshot,
9147 start_row..end_row,
9148 scroll_position.y,
9149 scroll_position.y + height_in_lines,
9150 &line_layouts,
9151 line_height,
9152 scroll_position,
9153 scroll_pixel_position,
9154 newest_selection_head,
9155 editor_width,
9156 style,
9157 window,
9158 cx,
9159 )
9160 })
9161 .unzip();
9162
9163 let mut inline_diagnostics = self.layout_inline_diagnostics(
9164 &line_layouts,
9165 &crease_trailers,
9166 &row_block_types,
9167 content_origin,
9168 scroll_position,
9169 scroll_pixel_position,
9170 edit_prediction_popover_origin,
9171 start_row,
9172 end_row,
9173 line_height,
9174 em_width,
9175 style,
9176 window,
9177 cx,
9178 );
9179
9180 let mut inline_blame_layout = None;
9181 let mut inline_code_actions = None;
9182 if let Some(newest_selection_head) = newest_selection_head {
9183 let display_row = newest_selection_head.row();
9184 if (start_row..end_row).contains(&display_row)
9185 && !row_block_types.contains_key(&display_row)
9186 {
9187 inline_code_actions = self.layout_inline_code_actions(
9188 newest_selection_head,
9189 content_origin,
9190 scroll_position,
9191 scroll_pixel_position,
9192 line_height,
9193 &snapshot,
9194 window,
9195 cx,
9196 );
9197
9198 let line_ix = display_row.minus(start_row) as usize;
9199 if let (Some(row_info), Some(line_layout), Some(crease_trailer)) = (
9200 row_infos.get(line_ix),
9201 line_layouts.get(line_ix),
9202 crease_trailers.get(line_ix),
9203 ) {
9204 let crease_trailer_layout = crease_trailer.as_ref();
9205 if let Some(layout) = self.layout_inline_blame(
9206 display_row,
9207 row_info,
9208 line_layout,
9209 crease_trailer_layout,
9210 em_width,
9211 content_origin,
9212 scroll_position,
9213 scroll_pixel_position,
9214 line_height,
9215 &text_hitbox,
9216 window,
9217 cx,
9218 ) {
9219 inline_blame_layout = Some(layout);
9220 // Blame overrides inline diagnostics
9221 inline_diagnostics.remove(&display_row);
9222 }
9223 } else {
9224 log::error!(
9225 "bug: line_ix {} is out of bounds - row_infos.len(): {}, \
9226 line_layouts.len(): {}, \
9227 crease_trailers.len(): {}",
9228 line_ix,
9229 row_infos.len(),
9230 line_layouts.len(),
9231 crease_trailers.len(),
9232 );
9233 }
9234 }
9235 }
9236
9237 let blamed_display_rows = self.layout_blame_entries(
9238 &row_infos,
9239 em_width,
9240 scroll_position,
9241 line_height,
9242 &gutter_hitbox,
9243 gutter_dimensions.git_blame_entries_width,
9244 window,
9245 cx,
9246 );
9247
9248 let line_elements = self.prepaint_lines(
9249 start_row,
9250 &mut line_layouts,
9251 line_height,
9252 scroll_position,
9253 scroll_pixel_position,
9254 content_origin,
9255 window,
9256 cx,
9257 );
9258
9259 window.with_element_namespace("blocks", |window| {
9260 self.layout_blocks(
9261 &mut blocks,
9262 &hitbox,
9263 line_height,
9264 scroll_position,
9265 scroll_pixel_position,
9266 window,
9267 cx,
9268 );
9269 });
9270
9271 let cursors = self.collect_cursors(&snapshot, cx);
9272 let visible_row_range = start_row..end_row;
9273 let non_visible_cursors = cursors
9274 .iter()
9275 .any(|c| !visible_row_range.contains(&c.0.row()));
9276
9277 let visible_cursors = self.layout_visible_cursors(
9278 &snapshot,
9279 &selections,
9280 &row_block_types,
9281 start_row..end_row,
9282 &line_layouts,
9283 &text_hitbox,
9284 content_origin,
9285 scroll_position,
9286 scroll_pixel_position,
9287 line_height,
9288 em_width,
9289 em_advance,
9290 autoscroll_containing_element,
9291 window,
9292 cx,
9293 );
9294
9295 let scrollbars_layout = self.layout_scrollbars(
9296 &snapshot,
9297 &scrollbar_layout_information,
9298 content_offset,
9299 scroll_position,
9300 non_visible_cursors,
9301 right_margin,
9302 editor_width,
9303 window,
9304 cx,
9305 );
9306
9307 let gutter_settings = EditorSettings::get_global(cx).gutter;
9308
9309 let context_menu_layout =
9310 if let Some(newest_selection_head) = newest_selection_head {
9311 let newest_selection_point =
9312 newest_selection_head.to_point(&snapshot.display_snapshot);
9313 if (start_row..end_row).contains(&newest_selection_head.row()) {
9314 self.layout_cursor_popovers(
9315 line_height,
9316 &text_hitbox,
9317 content_origin,
9318 right_margin,
9319 start_row,
9320 scroll_pixel_position,
9321 &line_layouts,
9322 newest_selection_head,
9323 newest_selection_point,
9324 style,
9325 window,
9326 cx,
9327 )
9328 } else {
9329 None
9330 }
9331 } else {
9332 None
9333 };
9334
9335 self.layout_gutter_menu(
9336 line_height,
9337 &text_hitbox,
9338 content_origin,
9339 right_margin,
9340 scroll_pixel_position,
9341 gutter_dimensions.width - gutter_dimensions.left_padding,
9342 window,
9343 cx,
9344 );
9345
9346 let test_indicators = if gutter_settings.runnables {
9347 self.layout_run_indicators(
9348 line_height,
9349 start_row..end_row,
9350 &row_infos,
9351 scroll_position,
9352 &gutter_dimensions,
9353 &gutter_hitbox,
9354 &display_hunks,
9355 &snapshot,
9356 &mut breakpoint_rows,
9357 window,
9358 cx,
9359 )
9360 } else {
9361 Vec::new()
9362 };
9363
9364 let show_breakpoints = snapshot
9365 .show_breakpoints
9366 .unwrap_or(gutter_settings.breakpoints);
9367 let breakpoints = if show_breakpoints {
9368 self.layout_breakpoints(
9369 line_height,
9370 start_row..end_row,
9371 scroll_position,
9372 &gutter_dimensions,
9373 &gutter_hitbox,
9374 &display_hunks,
9375 &snapshot,
9376 breakpoint_rows,
9377 &row_infos,
9378 window,
9379 cx,
9380 )
9381 } else {
9382 Vec::new()
9383 };
9384
9385 self.layout_signature_help(
9386 &hitbox,
9387 content_origin,
9388 scroll_pixel_position,
9389 newest_selection_head,
9390 start_row,
9391 &line_layouts,
9392 line_height,
9393 em_width,
9394 context_menu_layout,
9395 window,
9396 cx,
9397 );
9398
9399 if !cx.has_active_drag() {
9400 self.layout_hover_popovers(
9401 &snapshot,
9402 &hitbox,
9403 start_row..end_row,
9404 content_origin,
9405 scroll_pixel_position,
9406 &line_layouts,
9407 line_height,
9408 em_width,
9409 context_menu_layout,
9410 window,
9411 cx,
9412 );
9413 }
9414
9415 let mouse_context_menu = self.layout_mouse_context_menu(
9416 &snapshot,
9417 start_row..end_row,
9418 content_origin,
9419 window,
9420 cx,
9421 );
9422
9423 window.with_element_namespace("crease_toggles", |window| {
9424 self.prepaint_crease_toggles(
9425 &mut crease_toggles,
9426 line_height,
9427 &gutter_dimensions,
9428 gutter_settings,
9429 scroll_pixel_position,
9430 &gutter_hitbox,
9431 window,
9432 cx,
9433 )
9434 });
9435
9436 window.with_element_namespace("expand_toggles", |window| {
9437 self.prepaint_expand_toggles(&mut expand_toggles, window, cx)
9438 });
9439
9440 let wrap_guides = self.layout_wrap_guides(
9441 em_advance,
9442 scroll_position,
9443 content_origin,
9444 scrollbars_layout.as_ref(),
9445 vertical_scrollbar_width,
9446 &hitbox,
9447 window,
9448 cx,
9449 );
9450
9451 let minimap = window.with_element_namespace("minimap", |window| {
9452 self.layout_minimap(
9453 &snapshot,
9454 minimap_width,
9455 scroll_position,
9456 &scrollbar_layout_information,
9457 scrollbars_layout.as_ref(),
9458 window,
9459 cx,
9460 )
9461 });
9462
9463 let invisible_symbol_font_size = font_size / 2.;
9464 let whitespace_map = &self
9465 .editor
9466 .read(cx)
9467 .buffer
9468 .read(cx)
9469 .language_settings(cx)
9470 .whitespace_map;
9471
9472 let tab_char = whitespace_map.tab.clone();
9473 let tab_len = tab_char.len();
9474 let tab_invisible = window.text_system().shape_line(
9475 tab_char,
9476 invisible_symbol_font_size,
9477 &[TextRun {
9478 len: tab_len,
9479 font: self.style.text.font(),
9480 color: cx.theme().colors().editor_invisible,
9481 background_color: None,
9482 underline: None,
9483 strikethrough: None,
9484 }],
9485 None,
9486 );
9487
9488 let space_char = whitespace_map.space.clone();
9489 let space_len = space_char.len();
9490 let space_invisible = window.text_system().shape_line(
9491 space_char,
9492 invisible_symbol_font_size,
9493 &[TextRun {
9494 len: space_len,
9495 font: self.style.text.font(),
9496 color: cx.theme().colors().editor_invisible,
9497 background_color: None,
9498 underline: None,
9499 strikethrough: None,
9500 }],
9501 None,
9502 );
9503
9504 let mode = snapshot.mode.clone();
9505
9506 let (diff_hunk_controls, diff_hunk_control_bounds) = if is_read_only {
9507 (vec![], vec![])
9508 } else {
9509 self.layout_diff_hunk_controls(
9510 start_row..end_row,
9511 &row_infos,
9512 &text_hitbox,
9513 newest_selection_head,
9514 line_height,
9515 right_margin,
9516 scroll_pixel_position,
9517 &display_hunks,
9518 &highlighted_rows,
9519 self.editor.clone(),
9520 window,
9521 cx,
9522 )
9523 };
9524
9525 let position_map = Rc::new(PositionMap {
9526 size: bounds.size,
9527 visible_row_range,
9528 scroll_position,
9529 scroll_pixel_position,
9530 scroll_max,
9531 line_layouts,
9532 line_height,
9533 em_width,
9534 em_advance,
9535 snapshot,
9536 gutter_hitbox: gutter_hitbox.clone(),
9537 text_hitbox: text_hitbox.clone(),
9538 inline_blame_bounds: inline_blame_layout
9539 .as_ref()
9540 .map(|layout| (layout.bounds, layout.buffer_id, layout.entry.clone())),
9541 display_hunks: display_hunks.clone(),
9542 diff_hunk_control_bounds,
9543 });
9544
9545 self.editor.update(cx, |editor, _| {
9546 editor.last_position_map = Some(position_map.clone())
9547 });
9548
9549 EditorLayout {
9550 mode,
9551 position_map,
9552 visible_display_row_range: start_row..end_row,
9553 wrap_guides,
9554 indent_guides,
9555 hitbox,
9556 gutter_hitbox,
9557 display_hunks,
9558 content_origin,
9559 scrollbars_layout,
9560 minimap,
9561 active_rows,
9562 highlighted_rows,
9563 highlighted_ranges,
9564 highlighted_gutter_ranges,
9565 redacted_ranges,
9566 document_colors,
9567 line_elements,
9568 line_numbers,
9569 blamed_display_rows,
9570 inline_diagnostics,
9571 inline_blame_layout,
9572 inline_code_actions,
9573 blocks,
9574 cursors,
9575 visible_cursors,
9576 selections,
9577 edit_prediction_popover,
9578 diff_hunk_controls,
9579 mouse_context_menu,
9580 test_indicators,
9581 breakpoints,
9582 crease_toggles,
9583 crease_trailers,
9584 tab_invisible,
9585 space_invisible,
9586 sticky_buffer_header,
9587 expand_toggles,
9588 }
9589 })
9590 })
9591 })
9592 }
9593
9594 fn paint(
9595 &mut self,
9596 _: Option<&GlobalElementId>,
9597 _inspector_id: Option<&gpui::InspectorElementId>,
9598 bounds: Bounds<gpui::Pixels>,
9599 _: &mut Self::RequestLayoutState,
9600 layout: &mut Self::PrepaintState,
9601 window: &mut Window,
9602 cx: &mut App,
9603 ) {
9604 if !layout.mode.is_minimap() {
9605 let focus_handle = self.editor.focus_handle(cx);
9606 let key_context = self
9607 .editor
9608 .update(cx, |editor, cx| editor.key_context(window, cx));
9609
9610 window.set_key_context(key_context);
9611 window.handle_input(
9612 &focus_handle,
9613 ElementInputHandler::new(bounds, self.editor.clone()),
9614 cx,
9615 );
9616 self.register_actions(window, cx);
9617 self.register_key_listeners(window, cx, layout);
9618 }
9619
9620 let text_style = TextStyleRefinement {
9621 font_size: Some(self.style.text.font_size),
9622 line_height: Some(self.style.text.line_height),
9623 ..Default::default()
9624 };
9625 let rem_size = self.rem_size(cx);
9626 window.with_rem_size(rem_size, |window| {
9627 window.with_text_style(Some(text_style), |window| {
9628 window.with_content_mask(Some(ContentMask { bounds }), |window| {
9629 self.paint_mouse_listeners(layout, window, cx);
9630 self.paint_background(layout, window, cx);
9631 self.paint_indent_guides(layout, window, cx);
9632
9633 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9634 self.paint_blamed_display_rows(layout, window, cx);
9635 self.paint_line_numbers(layout, window, cx);
9636 }
9637
9638 self.paint_text(layout, window, cx);
9639
9640 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9641 self.paint_gutter_highlights(layout, window, cx);
9642 self.paint_gutter_indicators(layout, window, cx);
9643 }
9644
9645 if !layout.blocks.is_empty() {
9646 window.with_element_namespace("blocks", |window| {
9647 self.paint_blocks(layout, window, cx);
9648 });
9649 }
9650
9651 window.with_element_namespace("blocks", |window| {
9652 if let Some(mut sticky_header) = layout.sticky_buffer_header.take() {
9653 sticky_header.paint(window, cx)
9654 }
9655 });
9656
9657 self.paint_minimap(layout, window, cx);
9658 self.paint_scrollbars(layout, window, cx);
9659 self.paint_edit_prediction_popover(layout, window, cx);
9660 self.paint_mouse_context_menu(layout, window, cx);
9661 });
9662 })
9663 })
9664 }
9665}
9666
9667pub(super) fn gutter_bounds(
9668 editor_bounds: Bounds<Pixels>,
9669 gutter_dimensions: GutterDimensions,
9670) -> Bounds<Pixels> {
9671 Bounds {
9672 origin: editor_bounds.origin,
9673 size: size(gutter_dimensions.width, editor_bounds.size.height),
9674 }
9675}
9676
9677#[derive(Clone, Copy)]
9678struct ContextMenuLayout {
9679 y_flipped: bool,
9680 bounds: Bounds<Pixels>,
9681}
9682
9683/// Holds information required for layouting the editor scrollbars.
9684struct ScrollbarLayoutInformation {
9685 /// The bounds of the editor area (excluding the content offset).
9686 editor_bounds: Bounds<Pixels>,
9687 /// The available range to scroll within the document.
9688 scroll_range: Size<Pixels>,
9689 /// The space available for one glyph in the editor.
9690 glyph_grid_cell: Size<Pixels>,
9691}
9692
9693impl ScrollbarLayoutInformation {
9694 pub fn new(
9695 editor_bounds: Bounds<Pixels>,
9696 glyph_grid_cell: Size<Pixels>,
9697 document_size: Size<Pixels>,
9698 longest_line_blame_width: Pixels,
9699 settings: &EditorSettings,
9700 ) -> Self {
9701 let vertical_overscroll = match settings.scroll_beyond_last_line {
9702 ScrollBeyondLastLine::OnePage => editor_bounds.size.height,
9703 ScrollBeyondLastLine::Off => glyph_grid_cell.height,
9704 ScrollBeyondLastLine::VerticalScrollMargin => {
9705 (1.0 + settings.vertical_scroll_margin) as f32 * glyph_grid_cell.height
9706 }
9707 };
9708
9709 let overscroll = size(longest_line_blame_width, vertical_overscroll);
9710
9711 ScrollbarLayoutInformation {
9712 editor_bounds,
9713 scroll_range: document_size + overscroll,
9714 glyph_grid_cell,
9715 }
9716 }
9717}
9718
9719impl IntoElement for EditorElement {
9720 type Element = Self;
9721
9722 fn into_element(self) -> Self::Element {
9723 self
9724 }
9725}
9726
9727pub struct EditorLayout {
9728 position_map: Rc<PositionMap>,
9729 hitbox: Hitbox,
9730 gutter_hitbox: Hitbox,
9731 content_origin: gpui::Point<Pixels>,
9732 scrollbars_layout: Option<EditorScrollbars>,
9733 minimap: Option<MinimapLayout>,
9734 mode: EditorMode,
9735 wrap_guides: SmallVec<[(Pixels, bool); 2]>,
9736 indent_guides: Option<Vec<IndentGuideLayout>>,
9737 visible_display_row_range: Range<DisplayRow>,
9738 active_rows: BTreeMap<DisplayRow, LineHighlightSpec>,
9739 highlighted_rows: BTreeMap<DisplayRow, LineHighlight>,
9740 line_elements: SmallVec<[AnyElement; 1]>,
9741 line_numbers: Arc<HashMap<MultiBufferRow, LineNumberLayout>>,
9742 display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
9743 blamed_display_rows: Option<Vec<AnyElement>>,
9744 inline_diagnostics: HashMap<DisplayRow, AnyElement>,
9745 inline_blame_layout: Option<InlineBlameLayout>,
9746 inline_code_actions: Option<AnyElement>,
9747 blocks: Vec<BlockLayout>,
9748 highlighted_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9749 highlighted_gutter_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9750 redacted_ranges: Vec<Range<DisplayPoint>>,
9751 cursors: Vec<(DisplayPoint, Hsla)>,
9752 visible_cursors: Vec<CursorLayout>,
9753 selections: Vec<(PlayerColor, Vec<SelectionLayout>)>,
9754 test_indicators: Vec<AnyElement>,
9755 breakpoints: Vec<AnyElement>,
9756 crease_toggles: Vec<Option<AnyElement>>,
9757 expand_toggles: Vec<Option<(AnyElement, gpui::Point<Pixels>)>>,
9758 diff_hunk_controls: Vec<AnyElement>,
9759 crease_trailers: Vec<Option<CreaseTrailerLayout>>,
9760 edit_prediction_popover: Option<AnyElement>,
9761 mouse_context_menu: Option<AnyElement>,
9762 tab_invisible: ShapedLine,
9763 space_invisible: ShapedLine,
9764 sticky_buffer_header: Option<AnyElement>,
9765 document_colors: Option<(DocumentColorsRenderMode, Vec<(Range<DisplayPoint>, Hsla)>)>,
9766}
9767
9768impl EditorLayout {
9769 fn line_end_overshoot(&self) -> Pixels {
9770 0.15 * self.position_map.line_height
9771 }
9772}
9773
9774struct LineNumberLayout {
9775 shaped_line: ShapedLine,
9776 hitbox: Option<Hitbox>,
9777}
9778
9779struct ColoredRange<T> {
9780 start: T,
9781 end: T,
9782 color: Hsla,
9783}
9784
9785impl Along for ScrollbarAxes {
9786 type Unit = bool;
9787
9788 fn along(&self, axis: ScrollbarAxis) -> Self::Unit {
9789 match axis {
9790 ScrollbarAxis::Horizontal => self.horizontal,
9791 ScrollbarAxis::Vertical => self.vertical,
9792 }
9793 }
9794
9795 fn apply_along(&self, axis: ScrollbarAxis, f: impl FnOnce(Self::Unit) -> Self::Unit) -> Self {
9796 match axis {
9797 ScrollbarAxis::Horizontal => ScrollbarAxes {
9798 horizontal: f(self.horizontal),
9799 vertical: self.vertical,
9800 },
9801 ScrollbarAxis::Vertical => ScrollbarAxes {
9802 horizontal: self.horizontal,
9803 vertical: f(self.vertical),
9804 },
9805 }
9806 }
9807}
9808
9809#[derive(Clone)]
9810struct EditorScrollbars {
9811 pub vertical: Option<ScrollbarLayout>,
9812 pub horizontal: Option<ScrollbarLayout>,
9813 pub visible: bool,
9814}
9815
9816impl EditorScrollbars {
9817 pub fn from_scrollbar_axes(
9818 show_scrollbar: ScrollbarAxes,
9819 layout_information: &ScrollbarLayoutInformation,
9820 content_offset: gpui::Point<Pixels>,
9821 scroll_position: gpui::Point<f64>,
9822 scrollbar_width: Pixels,
9823 right_margin: Pixels,
9824 editor_width: Pixels,
9825 show_scrollbars: bool,
9826 scrollbar_state: Option<&ActiveScrollbarState>,
9827 window: &mut Window,
9828 ) -> Self {
9829 let ScrollbarLayoutInformation {
9830 editor_bounds,
9831 scroll_range,
9832 glyph_grid_cell,
9833 } = layout_information;
9834
9835 let viewport_size = size(editor_width, editor_bounds.size.height);
9836
9837 let scrollbar_bounds_for = |axis: ScrollbarAxis| match axis {
9838 ScrollbarAxis::Horizontal => Bounds::from_corner_and_size(
9839 Corner::BottomLeft,
9840 editor_bounds.bottom_left(),
9841 size(
9842 // The horizontal viewport size differs from the space available for the
9843 // horizontal scrollbar, so we have to manually stitch it together here.
9844 editor_bounds.size.width - right_margin,
9845 scrollbar_width,
9846 ),
9847 ),
9848 ScrollbarAxis::Vertical => Bounds::from_corner_and_size(
9849 Corner::TopRight,
9850 editor_bounds.top_right(),
9851 size(scrollbar_width, viewport_size.height),
9852 ),
9853 };
9854
9855 let mut create_scrollbar_layout = |axis| {
9856 let viewport_size = viewport_size.along(axis);
9857 let scroll_range = scroll_range.along(axis);
9858
9859 // We always want a vertical scrollbar track for scrollbar diagnostic visibility.
9860 (show_scrollbar.along(axis)
9861 && (axis == ScrollbarAxis::Vertical || scroll_range > viewport_size))
9862 .then(|| {
9863 ScrollbarLayout::new(
9864 window.insert_hitbox(scrollbar_bounds_for(axis), HitboxBehavior::Normal),
9865 viewport_size,
9866 scroll_range,
9867 glyph_grid_cell.along(axis),
9868 content_offset.along(axis),
9869 scroll_position.along(axis),
9870 show_scrollbars,
9871 axis,
9872 )
9873 .with_thumb_state(
9874 scrollbar_state.and_then(|state| state.thumb_state_for_axis(axis)),
9875 )
9876 })
9877 };
9878
9879 Self {
9880 vertical: create_scrollbar_layout(ScrollbarAxis::Vertical),
9881 horizontal: create_scrollbar_layout(ScrollbarAxis::Horizontal),
9882 visible: show_scrollbars,
9883 }
9884 }
9885
9886 pub fn iter_scrollbars(&self) -> impl Iterator<Item = (&ScrollbarLayout, ScrollbarAxis)> + '_ {
9887 [
9888 (&self.vertical, ScrollbarAxis::Vertical),
9889 (&self.horizontal, ScrollbarAxis::Horizontal),
9890 ]
9891 .into_iter()
9892 .filter_map(|(scrollbar, axis)| scrollbar.as_ref().map(|s| (s, axis)))
9893 }
9894
9895 /// Returns the currently hovered scrollbar axis, if any.
9896 pub fn get_hovered_axis(&self, window: &Window) -> Option<(&ScrollbarLayout, ScrollbarAxis)> {
9897 self.iter_scrollbars()
9898 .find(|s| s.0.hitbox.is_hovered(window))
9899 }
9900}
9901
9902#[derive(Clone)]
9903struct ScrollbarLayout {
9904 hitbox: Hitbox,
9905 visible_range: Range<ScrollOffset>,
9906 text_unit_size: Pixels,
9907 thumb_bounds: Option<Bounds<Pixels>>,
9908 thumb_state: ScrollbarThumbState,
9909}
9910
9911impl ScrollbarLayout {
9912 const BORDER_WIDTH: Pixels = px(1.0);
9913 const LINE_MARKER_HEIGHT: Pixels = px(2.0);
9914 const MIN_MARKER_HEIGHT: Pixels = px(5.0);
9915 const MIN_THUMB_SIZE: Pixels = px(25.0);
9916
9917 fn new(
9918 scrollbar_track_hitbox: Hitbox,
9919 viewport_size: Pixels,
9920 scroll_range: Pixels,
9921 glyph_space: Pixels,
9922 content_offset: Pixels,
9923 scroll_position: ScrollOffset,
9924 show_thumb: bool,
9925 axis: ScrollbarAxis,
9926 ) -> Self {
9927 let track_bounds = scrollbar_track_hitbox.bounds;
9928 // The length of the track available to the scrollbar thumb. We deliberately
9929 // exclude the content size here so that the thumb aligns with the content.
9930 let track_length = track_bounds.size.along(axis) - content_offset;
9931
9932 Self::new_with_hitbox_and_track_length(
9933 scrollbar_track_hitbox,
9934 track_length,
9935 viewport_size,
9936 scroll_range.into(),
9937 glyph_space,
9938 content_offset.into(),
9939 scroll_position,
9940 show_thumb,
9941 axis,
9942 )
9943 }
9944
9945 fn for_minimap(
9946 minimap_track_hitbox: Hitbox,
9947 visible_lines: f64,
9948 total_editor_lines: f64,
9949 minimap_line_height: Pixels,
9950 scroll_position: ScrollOffset,
9951 minimap_scroll_top: ScrollOffset,
9952 show_thumb: bool,
9953 ) -> Self {
9954 // The scrollbar thumb size is calculated as
9955 // (visible_content/total_content) Γ scrollbar_track_length.
9956 //
9957 // For the minimap's thumb layout, we leverage this by setting the
9958 // scrollbar track length to the entire document size (using minimap line
9959 // height). This creates a thumb that exactly represents the editor
9960 // viewport scaled to minimap proportions.
9961 //
9962 // We adjust the thumb position relative to `minimap_scroll_top` to
9963 // accommodate for the deliberately oversized track.
9964 //
9965 // This approach ensures that the minimap thumb accurately reflects the
9966 // editor's current scroll position whilst nicely synchronizing the minimap
9967 // thumb and scrollbar thumb.
9968 let scroll_range = total_editor_lines * f64::from(minimap_line_height);
9969 let viewport_size = visible_lines * f64::from(minimap_line_height);
9970
9971 let track_top_offset = -minimap_scroll_top * f64::from(minimap_line_height);
9972
9973 Self::new_with_hitbox_and_track_length(
9974 minimap_track_hitbox,
9975 Pixels::from(scroll_range),
9976 Pixels::from(viewport_size),
9977 scroll_range,
9978 minimap_line_height,
9979 track_top_offset,
9980 scroll_position,
9981 show_thumb,
9982 ScrollbarAxis::Vertical,
9983 )
9984 }
9985
9986 fn new_with_hitbox_and_track_length(
9987 scrollbar_track_hitbox: Hitbox,
9988 track_length: Pixels,
9989 viewport_size: Pixels,
9990 scroll_range: f64,
9991 glyph_space: Pixels,
9992 content_offset: ScrollOffset,
9993 scroll_position: ScrollOffset,
9994 show_thumb: bool,
9995 axis: ScrollbarAxis,
9996 ) -> Self {
9997 let text_units_per_page = f64::from(viewport_size / glyph_space);
9998 let visible_range = scroll_position..scroll_position + text_units_per_page;
9999 let total_text_units = scroll_range / f64::from(glyph_space);
10000
10001 let thumb_percentage = text_units_per_page / total_text_units;
10002 let thumb_size = Pixels::from(ScrollOffset::from(track_length) * thumb_percentage)
10003 .max(ScrollbarLayout::MIN_THUMB_SIZE)
10004 .min(track_length);
10005
10006 let text_unit_divisor = (total_text_units - text_units_per_page).max(0.);
10007
10008 let content_larger_than_viewport = text_unit_divisor > 0.;
10009
10010 let text_unit_size = if content_larger_than_viewport {
10011 Pixels::from(ScrollOffset::from(track_length - thumb_size) / text_unit_divisor)
10012 } else {
10013 glyph_space
10014 };
10015
10016 let thumb_bounds = (show_thumb && content_larger_than_viewport).then(|| {
10017 Self::thumb_bounds(
10018 &scrollbar_track_hitbox,
10019 content_offset,
10020 visible_range.start,
10021 text_unit_size,
10022 thumb_size,
10023 axis,
10024 )
10025 });
10026
10027 ScrollbarLayout {
10028 hitbox: scrollbar_track_hitbox,
10029 visible_range,
10030 text_unit_size,
10031 thumb_bounds,
10032 thumb_state: Default::default(),
10033 }
10034 }
10035
10036 fn with_thumb_state(self, thumb_state: Option<ScrollbarThumbState>) -> Self {
10037 if let Some(thumb_state) = thumb_state {
10038 Self {
10039 thumb_state,
10040 ..self
10041 }
10042 } else {
10043 self
10044 }
10045 }
10046
10047 fn thumb_bounds(
10048 scrollbar_track: &Hitbox,
10049 content_offset: f64,
10050 visible_range_start: f64,
10051 text_unit_size: Pixels,
10052 thumb_size: Pixels,
10053 axis: ScrollbarAxis,
10054 ) -> Bounds<Pixels> {
10055 let thumb_origin = scrollbar_track.origin.apply_along(axis, |origin| {
10056 origin
10057 + Pixels::from(
10058 content_offset + visible_range_start * ScrollOffset::from(text_unit_size),
10059 )
10060 });
10061 Bounds::new(
10062 thumb_origin,
10063 scrollbar_track.size.apply_along(axis, |_| thumb_size),
10064 )
10065 }
10066
10067 fn thumb_hovered(&self, position: &gpui::Point<Pixels>) -> bool {
10068 self.thumb_bounds
10069 .is_some_and(|bounds| bounds.contains(position))
10070 }
10071
10072 fn marker_quads_for_ranges(
10073 &self,
10074 row_ranges: impl IntoIterator<Item = ColoredRange<DisplayRow>>,
10075 column: Option<usize>,
10076 ) -> Vec<PaintQuad> {
10077 struct MinMax {
10078 min: Pixels,
10079 max: Pixels,
10080 }
10081 let (x_range, height_limit) = if let Some(column) = column {
10082 let column_width = ((self.hitbox.size.width - Self::BORDER_WIDTH) / 3.0).floor();
10083 let start = Self::BORDER_WIDTH + (column as f32 * column_width);
10084 let end = start + column_width;
10085 (
10086 Range { start, end },
10087 MinMax {
10088 min: Self::MIN_MARKER_HEIGHT,
10089 max: px(f32::MAX),
10090 },
10091 )
10092 } else {
10093 (
10094 Range {
10095 start: Self::BORDER_WIDTH,
10096 end: self.hitbox.size.width,
10097 },
10098 MinMax {
10099 min: Self::LINE_MARKER_HEIGHT,
10100 max: Self::LINE_MARKER_HEIGHT,
10101 },
10102 )
10103 };
10104
10105 let row_to_y = |row: DisplayRow| row.as_f64() as f32 * self.text_unit_size;
10106 let mut pixel_ranges = row_ranges
10107 .into_iter()
10108 .map(|range| {
10109 let start_y = row_to_y(range.start);
10110 let end_y = row_to_y(range.end)
10111 + self
10112 .text_unit_size
10113 .max(height_limit.min)
10114 .min(height_limit.max);
10115 ColoredRange {
10116 start: start_y,
10117 end: end_y,
10118 color: range.color,
10119 }
10120 })
10121 .peekable();
10122
10123 let mut quads = Vec::new();
10124 while let Some(mut pixel_range) = pixel_ranges.next() {
10125 while let Some(next_pixel_range) = pixel_ranges.peek() {
10126 if pixel_range.end >= next_pixel_range.start - px(1.0)
10127 && pixel_range.color == next_pixel_range.color
10128 {
10129 pixel_range.end = next_pixel_range.end.max(pixel_range.end);
10130 pixel_ranges.next();
10131 } else {
10132 break;
10133 }
10134 }
10135
10136 let bounds = Bounds::from_corners(
10137 point(x_range.start, pixel_range.start),
10138 point(x_range.end, pixel_range.end),
10139 );
10140 quads.push(quad(
10141 bounds,
10142 Corners::default(),
10143 pixel_range.color,
10144 Edges::default(),
10145 Hsla::transparent_black(),
10146 BorderStyle::default(),
10147 ));
10148 }
10149
10150 quads
10151 }
10152}
10153
10154struct MinimapLayout {
10155 pub minimap: AnyElement,
10156 pub thumb_layout: ScrollbarLayout,
10157 pub minimap_scroll_top: ScrollOffset,
10158 pub minimap_line_height: Pixels,
10159 pub thumb_border_style: MinimapThumbBorder,
10160 pub max_scroll_top: ScrollOffset,
10161}
10162
10163impl MinimapLayout {
10164 /// The minimum width of the minimap in columns. If the minimap is smaller than this, it will be hidden.
10165 const MINIMAP_MIN_WIDTH_COLUMNS: f32 = 20.;
10166 /// The minimap width as a percentage of the editor width.
10167 const MINIMAP_WIDTH_PCT: f32 = 0.15;
10168 /// Calculates the scroll top offset the minimap editor has to have based on the
10169 /// current scroll progress.
10170 fn calculate_minimap_top_offset(
10171 document_lines: f64,
10172 visible_editor_lines: f64,
10173 visible_minimap_lines: f64,
10174 scroll_position: f64,
10175 ) -> ScrollOffset {
10176 let non_visible_document_lines = (document_lines - visible_editor_lines).max(0.);
10177 if non_visible_document_lines == 0. {
10178 0.
10179 } else {
10180 let scroll_percentage = (scroll_position / non_visible_document_lines).clamp(0., 1.);
10181 scroll_percentage * (document_lines - visible_minimap_lines).max(0.)
10182 }
10183 }
10184}
10185
10186struct CreaseTrailerLayout {
10187 element: AnyElement,
10188 bounds: Bounds<Pixels>,
10189}
10190
10191pub(crate) struct PositionMap {
10192 pub size: Size<Pixels>,
10193 pub line_height: Pixels,
10194 pub scroll_position: gpui::Point<ScrollOffset>,
10195 pub scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
10196 pub scroll_max: gpui::Point<ScrollOffset>,
10197 pub em_width: Pixels,
10198 pub em_advance: Pixels,
10199 pub visible_row_range: Range<DisplayRow>,
10200 pub line_layouts: Vec<LineWithInvisibles>,
10201 pub snapshot: EditorSnapshot,
10202 pub text_hitbox: Hitbox,
10203 pub gutter_hitbox: Hitbox,
10204 pub inline_blame_bounds: Option<(Bounds<Pixels>, BufferId, BlameEntry)>,
10205 pub display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
10206 pub diff_hunk_control_bounds: Vec<(DisplayRow, Bounds<Pixels>)>,
10207}
10208
10209#[derive(Debug, Copy, Clone)]
10210pub struct PointForPosition {
10211 pub previous_valid: DisplayPoint,
10212 pub next_valid: DisplayPoint,
10213 pub exact_unclipped: DisplayPoint,
10214 pub column_overshoot_after_line_end: u32,
10215}
10216
10217impl PointForPosition {
10218 pub fn as_valid(&self) -> Option<DisplayPoint> {
10219 if self.previous_valid == self.exact_unclipped && self.next_valid == self.exact_unclipped {
10220 Some(self.previous_valid)
10221 } else {
10222 None
10223 }
10224 }
10225
10226 pub fn intersects_selection(&self, selection: &Selection<DisplayPoint>) -> bool {
10227 let Some(valid_point) = self.as_valid() else {
10228 return false;
10229 };
10230 let range = selection.range();
10231
10232 let candidate_row = valid_point.row();
10233 let candidate_col = valid_point.column();
10234
10235 let start_row = range.start.row();
10236 let start_col = range.start.column();
10237 let end_row = range.end.row();
10238 let end_col = range.end.column();
10239
10240 if candidate_row < start_row || candidate_row > end_row {
10241 false
10242 } else if start_row == end_row {
10243 candidate_col >= start_col && candidate_col < end_col
10244 } else if candidate_row == start_row {
10245 candidate_col >= start_col
10246 } else if candidate_row == end_row {
10247 candidate_col < end_col
10248 } else {
10249 true
10250 }
10251 }
10252}
10253
10254impl PositionMap {
10255 pub(crate) fn point_for_position(&self, position: gpui::Point<Pixels>) -> PointForPosition {
10256 let text_bounds = self.text_hitbox.bounds;
10257 let scroll_position = self.snapshot.scroll_position();
10258 let position = position - text_bounds.origin;
10259 let y = position.y.max(px(0.)).min(self.size.height);
10260 let x = position.x + (scroll_position.x as f32 * self.em_advance);
10261 let row = ((y / self.line_height) as f64 + scroll_position.y) as u32;
10262
10263 let (column, x_overshoot_after_line_end) = if let Some(line) = self
10264 .line_layouts
10265 .get(row as usize - scroll_position.y as usize)
10266 {
10267 if let Some(ix) = line.index_for_x(x) {
10268 (ix as u32, px(0.))
10269 } else {
10270 (line.len as u32, px(0.).max(x - line.width))
10271 }
10272 } else {
10273 (0, x)
10274 };
10275
10276 let mut exact_unclipped = DisplayPoint::new(DisplayRow(row), column);
10277 let previous_valid = self.snapshot.clip_point(exact_unclipped, Bias::Left);
10278 let next_valid = self.snapshot.clip_point(exact_unclipped, Bias::Right);
10279
10280 let column_overshoot_after_line_end = (x_overshoot_after_line_end / self.em_advance) as u32;
10281 *exact_unclipped.column_mut() += column_overshoot_after_line_end;
10282 PointForPosition {
10283 previous_valid,
10284 next_valid,
10285 exact_unclipped,
10286 column_overshoot_after_line_end,
10287 }
10288 }
10289}
10290
10291struct BlockLayout {
10292 id: BlockId,
10293 x_offset: Pixels,
10294 row: Option<DisplayRow>,
10295 element: AnyElement,
10296 available_space: Size<AvailableSpace>,
10297 style: BlockStyle,
10298 overlaps_gutter: bool,
10299 is_buffer_header: bool,
10300}
10301
10302pub fn layout_line(
10303 row: DisplayRow,
10304 snapshot: &EditorSnapshot,
10305 style: &EditorStyle,
10306 text_width: Pixels,
10307 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
10308 window: &mut Window,
10309 cx: &mut App,
10310) -> LineWithInvisibles {
10311 let chunks = snapshot.highlighted_chunks(row..row + DisplayRow(1), true, style);
10312 LineWithInvisibles::from_chunks(
10313 chunks,
10314 style,
10315 MAX_LINE_LEN,
10316 1,
10317 &snapshot.mode,
10318 text_width,
10319 is_row_soft_wrapped,
10320 &[],
10321 window,
10322 cx,
10323 )
10324 .pop()
10325 .unwrap()
10326}
10327
10328#[derive(Debug)]
10329pub struct IndentGuideLayout {
10330 origin: gpui::Point<Pixels>,
10331 length: Pixels,
10332 single_indent_width: Pixels,
10333 depth: u32,
10334 active: bool,
10335 settings: IndentGuideSettings,
10336}
10337
10338pub struct CursorLayout {
10339 origin: gpui::Point<Pixels>,
10340 block_width: Pixels,
10341 line_height: Pixels,
10342 color: Hsla,
10343 shape: CursorShape,
10344 block_text: Option<ShapedLine>,
10345 cursor_name: Option<AnyElement>,
10346}
10347
10348#[derive(Debug)]
10349pub struct CursorName {
10350 string: SharedString,
10351 color: Hsla,
10352 is_top_row: bool,
10353}
10354
10355impl CursorLayout {
10356 pub fn new(
10357 origin: gpui::Point<Pixels>,
10358 block_width: Pixels,
10359 line_height: Pixels,
10360 color: Hsla,
10361 shape: CursorShape,
10362 block_text: Option<ShapedLine>,
10363 ) -> CursorLayout {
10364 CursorLayout {
10365 origin,
10366 block_width,
10367 line_height,
10368 color,
10369 shape,
10370 block_text,
10371 cursor_name: None,
10372 }
10373 }
10374
10375 pub fn bounding_rect(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10376 Bounds {
10377 origin: self.origin + origin,
10378 size: size(self.block_width, self.line_height),
10379 }
10380 }
10381
10382 fn bounds(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10383 match self.shape {
10384 CursorShape::Bar => Bounds {
10385 origin: self.origin + origin,
10386 size: size(px(2.0), self.line_height),
10387 },
10388 CursorShape::Block | CursorShape::Hollow => Bounds {
10389 origin: self.origin + origin,
10390 size: size(self.block_width, self.line_height),
10391 },
10392 CursorShape::Underline => Bounds {
10393 origin: self.origin
10394 + origin
10395 + gpui::Point::new(Pixels::ZERO, self.line_height - px(2.0)),
10396 size: size(self.block_width, px(2.0)),
10397 },
10398 }
10399 }
10400
10401 pub fn layout(
10402 &mut self,
10403 origin: gpui::Point<Pixels>,
10404 cursor_name: Option<CursorName>,
10405 window: &mut Window,
10406 cx: &mut App,
10407 ) {
10408 if let Some(cursor_name) = cursor_name {
10409 let bounds = self.bounds(origin);
10410 let text_size = self.line_height / 1.5;
10411
10412 let name_origin = if cursor_name.is_top_row {
10413 point(bounds.right() - px(1.), bounds.top())
10414 } else {
10415 match self.shape {
10416 CursorShape::Bar => point(
10417 bounds.right() - px(2.),
10418 bounds.top() - text_size / 2. - px(1.),
10419 ),
10420 _ => point(
10421 bounds.right() - px(1.),
10422 bounds.top() - text_size / 2. - px(1.),
10423 ),
10424 }
10425 };
10426 let mut name_element = div()
10427 .bg(self.color)
10428 .text_size(text_size)
10429 .px_0p5()
10430 .line_height(text_size + px(2.))
10431 .text_color(cursor_name.color)
10432 .child(cursor_name.string)
10433 .into_any_element();
10434
10435 name_element.prepaint_as_root(name_origin, AvailableSpace::min_size(), window, cx);
10436
10437 self.cursor_name = Some(name_element);
10438 }
10439 }
10440
10441 pub fn paint(&mut self, origin: gpui::Point<Pixels>, window: &mut Window, cx: &mut App) {
10442 let bounds = self.bounds(origin);
10443
10444 //Draw background or border quad
10445 let cursor = if matches!(self.shape, CursorShape::Hollow) {
10446 outline(bounds, self.color, BorderStyle::Solid)
10447 } else {
10448 fill(bounds, self.color)
10449 };
10450
10451 if let Some(name) = &mut self.cursor_name {
10452 name.paint(window, cx);
10453 }
10454
10455 window.paint_quad(cursor);
10456
10457 if let Some(block_text) = &self.block_text {
10458 block_text
10459 .paint(self.origin + origin, self.line_height, window, cx)
10460 .log_err();
10461 }
10462 }
10463
10464 pub fn shape(&self) -> CursorShape {
10465 self.shape
10466 }
10467}
10468
10469#[derive(Debug)]
10470pub struct HighlightedRange {
10471 pub start_y: Pixels,
10472 pub line_height: Pixels,
10473 pub lines: Vec<HighlightedRangeLine>,
10474 pub color: Hsla,
10475 pub corner_radius: Pixels,
10476}
10477
10478#[derive(Debug)]
10479pub struct HighlightedRangeLine {
10480 pub start_x: Pixels,
10481 pub end_x: Pixels,
10482}
10483
10484impl HighlightedRange {
10485 pub fn paint(&self, fill: bool, bounds: Bounds<Pixels>, window: &mut Window) {
10486 if self.lines.len() >= 2 && self.lines[0].start_x > self.lines[1].end_x {
10487 self.paint_lines(self.start_y, &self.lines[0..1], fill, bounds, window);
10488 self.paint_lines(
10489 self.start_y + self.line_height,
10490 &self.lines[1..],
10491 fill,
10492 bounds,
10493 window,
10494 );
10495 } else {
10496 self.paint_lines(self.start_y, &self.lines, fill, bounds, window);
10497 }
10498 }
10499
10500 fn paint_lines(
10501 &self,
10502 start_y: Pixels,
10503 lines: &[HighlightedRangeLine],
10504 fill: bool,
10505 _bounds: Bounds<Pixels>,
10506 window: &mut Window,
10507 ) {
10508 if lines.is_empty() {
10509 return;
10510 }
10511
10512 let first_line = lines.first().unwrap();
10513 let last_line = lines.last().unwrap();
10514
10515 let first_top_left = point(first_line.start_x, start_y);
10516 let first_top_right = point(first_line.end_x, start_y);
10517
10518 let curve_height = point(Pixels::ZERO, self.corner_radius);
10519 let curve_width = |start_x: Pixels, end_x: Pixels| {
10520 let max = (end_x - start_x) / 2.;
10521 let width = if max < self.corner_radius {
10522 max
10523 } else {
10524 self.corner_radius
10525 };
10526
10527 point(width, Pixels::ZERO)
10528 };
10529
10530 let top_curve_width = curve_width(first_line.start_x, first_line.end_x);
10531 let mut builder = if fill {
10532 gpui::PathBuilder::fill()
10533 } else {
10534 gpui::PathBuilder::stroke(px(1.))
10535 };
10536 builder.move_to(first_top_right - top_curve_width);
10537 builder.curve_to(first_top_right + curve_height, first_top_right);
10538
10539 let mut iter = lines.iter().enumerate().peekable();
10540 while let Some((ix, line)) = iter.next() {
10541 let bottom_right = point(line.end_x, start_y + (ix + 1) as f32 * self.line_height);
10542
10543 if let Some((_, next_line)) = iter.peek() {
10544 let next_top_right = point(next_line.end_x, bottom_right.y);
10545
10546 match next_top_right.x.partial_cmp(&bottom_right.x).unwrap() {
10547 Ordering::Equal => {
10548 builder.line_to(bottom_right);
10549 }
10550 Ordering::Less => {
10551 let curve_width = curve_width(next_top_right.x, bottom_right.x);
10552 builder.line_to(bottom_right - curve_height);
10553 if self.corner_radius > Pixels::ZERO {
10554 builder.curve_to(bottom_right - curve_width, bottom_right);
10555 }
10556 builder.line_to(next_top_right + curve_width);
10557 if self.corner_radius > Pixels::ZERO {
10558 builder.curve_to(next_top_right + curve_height, next_top_right);
10559 }
10560 }
10561 Ordering::Greater => {
10562 let curve_width = curve_width(bottom_right.x, next_top_right.x);
10563 builder.line_to(bottom_right - curve_height);
10564 if self.corner_radius > Pixels::ZERO {
10565 builder.curve_to(bottom_right + curve_width, bottom_right);
10566 }
10567 builder.line_to(next_top_right - curve_width);
10568 if self.corner_radius > Pixels::ZERO {
10569 builder.curve_to(next_top_right + curve_height, next_top_right);
10570 }
10571 }
10572 }
10573 } else {
10574 let curve_width = curve_width(line.start_x, line.end_x);
10575 builder.line_to(bottom_right - curve_height);
10576 if self.corner_radius > Pixels::ZERO {
10577 builder.curve_to(bottom_right - curve_width, bottom_right);
10578 }
10579
10580 let bottom_left = point(line.start_x, bottom_right.y);
10581 builder.line_to(bottom_left + curve_width);
10582 if self.corner_radius > Pixels::ZERO {
10583 builder.curve_to(bottom_left - curve_height, bottom_left);
10584 }
10585 }
10586 }
10587
10588 if first_line.start_x > last_line.start_x {
10589 let curve_width = curve_width(last_line.start_x, first_line.start_x);
10590 let second_top_left = point(last_line.start_x, start_y + self.line_height);
10591 builder.line_to(second_top_left + curve_height);
10592 if self.corner_radius > Pixels::ZERO {
10593 builder.curve_to(second_top_left + curve_width, second_top_left);
10594 }
10595 let first_bottom_left = point(first_line.start_x, second_top_left.y);
10596 builder.line_to(first_bottom_left - curve_width);
10597 if self.corner_radius > Pixels::ZERO {
10598 builder.curve_to(first_bottom_left - curve_height, first_bottom_left);
10599 }
10600 }
10601
10602 builder.line_to(first_top_left + curve_height);
10603 if self.corner_radius > Pixels::ZERO {
10604 builder.curve_to(first_top_left + top_curve_width, first_top_left);
10605 }
10606 builder.line_to(first_top_right - top_curve_width);
10607
10608 if let Ok(path) = builder.build() {
10609 window.paint_path(path, self.color);
10610 }
10611 }
10612}
10613
10614enum CursorPopoverType {
10615 CodeContextMenu,
10616 EditPrediction,
10617}
10618
10619pub fn scale_vertical_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10620 (delta.pow(1.2) / 100.0).min(px(3.0)).into()
10621}
10622
10623fn scale_horizontal_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10624 (delta.pow(1.2) / 300.0).into()
10625}
10626
10627pub fn register_action<T: Action>(
10628 editor: &Entity<Editor>,
10629 window: &mut Window,
10630 listener: impl Fn(&mut Editor, &T, &mut Window, &mut Context<Editor>) + 'static,
10631) {
10632 let editor = editor.clone();
10633 window.on_action(TypeId::of::<T>(), move |action, phase, window, cx| {
10634 let action = action.downcast_ref().unwrap();
10635 if phase == DispatchPhase::Bubble {
10636 editor.update(cx, |editor, cx| {
10637 listener(editor, action, window, cx);
10638 })
10639 }
10640 })
10641}
10642
10643fn compute_auto_height_layout(
10644 editor: &mut Editor,
10645 min_lines: usize,
10646 max_lines: Option<usize>,
10647 max_line_number_width: Pixels,
10648 known_dimensions: Size<Option<Pixels>>,
10649 available_width: AvailableSpace,
10650 window: &mut Window,
10651 cx: &mut Context<Editor>,
10652) -> Option<Size<Pixels>> {
10653 let width = known_dimensions.width.or({
10654 if let AvailableSpace::Definite(available_width) = available_width {
10655 Some(available_width)
10656 } else {
10657 None
10658 }
10659 })?;
10660 if let Some(height) = known_dimensions.height {
10661 return Some(size(width, height));
10662 }
10663
10664 let style = editor.style.as_ref().unwrap();
10665 let font_id = window.text_system().resolve_font(&style.text.font());
10666 let font_size = style.text.font_size.to_pixels(window.rem_size());
10667 let line_height = style.text.line_height_in_pixels(window.rem_size());
10668 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
10669
10670 let mut snapshot = editor.snapshot(window, cx);
10671 let gutter_dimensions = snapshot
10672 .gutter_dimensions(font_id, font_size, max_line_number_width, cx)
10673 .or_else(|| {
10674 editor
10675 .offset_content
10676 .then(|| GutterDimensions::default_with_margin(font_id, font_size, cx))
10677 })
10678 .unwrap_or_default();
10679
10680 editor.gutter_dimensions = gutter_dimensions;
10681 let text_width = width - gutter_dimensions.width;
10682 let overscroll = size(em_width, px(0.));
10683
10684 let editor_width = text_width - gutter_dimensions.margin - overscroll.width - em_width;
10685 if !matches!(editor.soft_wrap_mode(cx), SoftWrap::None)
10686 && editor.set_wrap_width(Some(editor_width), cx)
10687 {
10688 snapshot = editor.snapshot(window, cx);
10689 }
10690
10691 let scroll_height = (snapshot.max_point().row().next_row().0 as f32) * line_height;
10692
10693 let min_height = line_height * min_lines as f32;
10694 let content_height = scroll_height.max(min_height);
10695
10696 let final_height = if let Some(max_lines) = max_lines {
10697 let max_height = line_height * max_lines as f32;
10698 content_height.min(max_height)
10699 } else {
10700 content_height
10701 };
10702
10703 Some(size(width, final_height))
10704}
10705
10706#[cfg(test)]
10707mod tests {
10708 use super::*;
10709 use crate::{
10710 Editor, MultiBuffer, SelectionEffects,
10711 display_map::{BlockPlacement, BlockProperties},
10712 editor_tests::{init_test, update_test_language_settings},
10713 };
10714 use gpui::{TestAppContext, VisualTestContext};
10715 use language::language_settings;
10716 use log::info;
10717 use std::num::NonZeroU32;
10718 use util::test::sample_text;
10719
10720 #[gpui::test]
10721 async fn test_soft_wrap_editor_width_auto_height_editor(cx: &mut TestAppContext) {
10722 init_test(cx, |_| {});
10723
10724 let window = cx.add_window(|window, cx| {
10725 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10726 let mut editor = Editor::new(
10727 EditorMode::AutoHeight {
10728 min_lines: 1,
10729 max_lines: None,
10730 },
10731 buffer,
10732 None,
10733 window,
10734 cx,
10735 );
10736 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10737 editor
10738 });
10739 let cx = &mut VisualTestContext::from_window(*window, cx);
10740 let editor = window.root(cx).unwrap();
10741 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10742
10743 for x in 1..=100 {
10744 let (_, state) = cx.draw(
10745 Default::default(),
10746 size(px(200. + 0.13 * x as f32), px(500.)),
10747 |_, _| EditorElement::new(&editor, style.clone()),
10748 );
10749
10750 assert!(
10751 state.position_map.scroll_max.x == 0.,
10752 "Soft wrapped editor should have no horizontal scrolling!"
10753 );
10754 }
10755 }
10756
10757 #[gpui::test]
10758 async fn test_soft_wrap_editor_width_full_editor(cx: &mut TestAppContext) {
10759 init_test(cx, |_| {});
10760
10761 let window = cx.add_window(|window, cx| {
10762 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10763 let mut editor = Editor::new(EditorMode::full(), buffer, None, window, cx);
10764 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10765 editor
10766 });
10767 let cx = &mut VisualTestContext::from_window(*window, cx);
10768 let editor = window.root(cx).unwrap();
10769 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10770
10771 for x in 1..=100 {
10772 let (_, state) = cx.draw(
10773 Default::default(),
10774 size(px(200. + 0.13 * x as f32), px(500.)),
10775 |_, _| EditorElement::new(&editor, style.clone()),
10776 );
10777
10778 assert!(
10779 state.position_map.scroll_max.x == 0.,
10780 "Soft wrapped editor should have no horizontal scrolling!"
10781 );
10782 }
10783 }
10784
10785 #[gpui::test]
10786 fn test_shape_line_numbers(cx: &mut TestAppContext) {
10787 init_test(cx, |_| {});
10788 let window = cx.add_window(|window, cx| {
10789 let buffer = MultiBuffer::build_simple(&sample_text(6, 6, 'a'), cx);
10790 Editor::new(EditorMode::full(), buffer, None, window, cx)
10791 });
10792
10793 let editor = window.root(cx).unwrap();
10794 let style = cx.update(|cx| editor.read(cx).style().unwrap().clone());
10795 let line_height = window
10796 .update(cx, |_, window, _| {
10797 style.text.line_height_in_pixels(window.rem_size())
10798 })
10799 .unwrap();
10800 let element = EditorElement::new(&editor, style);
10801 let snapshot = window
10802 .update(cx, |editor, window, cx| editor.snapshot(window, cx))
10803 .unwrap();
10804
10805 let layouts = cx
10806 .update_window(*window, |_, window, cx| {
10807 element.layout_line_numbers(
10808 None,
10809 GutterDimensions {
10810 left_padding: Pixels::ZERO,
10811 right_padding: Pixels::ZERO,
10812 width: px(30.0),
10813 margin: Pixels::ZERO,
10814 git_blame_entries_width: None,
10815 },
10816 line_height,
10817 gpui::Point::default(),
10818 DisplayRow(0)..DisplayRow(6),
10819 &(0..6)
10820 .map(|row| RowInfo {
10821 buffer_row: Some(row),
10822 ..Default::default()
10823 })
10824 .collect::<Vec<_>>(),
10825 &BTreeMap::default(),
10826 Some(DisplayPoint::new(DisplayRow(0), 0)),
10827 &snapshot,
10828 window,
10829 cx,
10830 )
10831 })
10832 .unwrap();
10833 assert_eq!(layouts.len(), 6);
10834
10835 let relative_rows = window
10836 .update(cx, |editor, window, cx| {
10837 let snapshot = editor.snapshot(window, cx);
10838 element.calculate_relative_line_numbers(
10839 &snapshot,
10840 &(DisplayRow(0)..DisplayRow(6)),
10841 Some(DisplayRow(3)),
10842 )
10843 })
10844 .unwrap();
10845 assert_eq!(relative_rows[&DisplayRow(0)], 3);
10846 assert_eq!(relative_rows[&DisplayRow(1)], 2);
10847 assert_eq!(relative_rows[&DisplayRow(2)], 1);
10848 // current line has no relative number
10849 assert_eq!(relative_rows[&DisplayRow(4)], 1);
10850 assert_eq!(relative_rows[&DisplayRow(5)], 2);
10851
10852 // works if cursor is before screen
10853 let relative_rows = window
10854 .update(cx, |editor, window, cx| {
10855 let snapshot = editor.snapshot(window, cx);
10856 element.calculate_relative_line_numbers(
10857 &snapshot,
10858 &(DisplayRow(3)..DisplayRow(6)),
10859 Some(DisplayRow(1)),
10860 )
10861 })
10862 .unwrap();
10863 assert_eq!(relative_rows.len(), 3);
10864 assert_eq!(relative_rows[&DisplayRow(3)], 2);
10865 assert_eq!(relative_rows[&DisplayRow(4)], 3);
10866 assert_eq!(relative_rows[&DisplayRow(5)], 4);
10867
10868 // works if cursor is after screen
10869 let relative_rows = window
10870 .update(cx, |editor, window, cx| {
10871 let snapshot = editor.snapshot(window, cx);
10872 element.calculate_relative_line_numbers(
10873 &snapshot,
10874 &(DisplayRow(0)..DisplayRow(3)),
10875 Some(DisplayRow(6)),
10876 )
10877 })
10878 .unwrap();
10879 assert_eq!(relative_rows.len(), 3);
10880 assert_eq!(relative_rows[&DisplayRow(0)], 5);
10881 assert_eq!(relative_rows[&DisplayRow(1)], 4);
10882 assert_eq!(relative_rows[&DisplayRow(2)], 3);
10883 }
10884
10885 #[gpui::test]
10886 async fn test_vim_visual_selections(cx: &mut TestAppContext) {
10887 init_test(cx, |_| {});
10888
10889 let window = cx.add_window(|window, cx| {
10890 let buffer = MultiBuffer::build_simple(&(sample_text(6, 6, 'a') + "\n"), cx);
10891 Editor::new(EditorMode::full(), buffer, None, window, cx)
10892 });
10893 let cx = &mut VisualTestContext::from_window(*window, cx);
10894 let editor = window.root(cx).unwrap();
10895 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10896
10897 window
10898 .update(cx, |editor, window, cx| {
10899 editor.cursor_shape = CursorShape::Block;
10900 editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
10901 s.select_ranges([
10902 Point::new(0, 0)..Point::new(1, 0),
10903 Point::new(3, 2)..Point::new(3, 3),
10904 Point::new(5, 6)..Point::new(6, 0),
10905 ]);
10906 });
10907 })
10908 .unwrap();
10909
10910 let (_, state) = cx.draw(
10911 point(px(500.), px(500.)),
10912 size(px(500.), px(500.)),
10913 |_, _| EditorElement::new(&editor, style),
10914 );
10915
10916 assert_eq!(state.selections.len(), 1);
10917 let local_selections = &state.selections[0].1;
10918 assert_eq!(local_selections.len(), 3);
10919 // moves cursor back one line
10920 assert_eq!(
10921 local_selections[0].head,
10922 DisplayPoint::new(DisplayRow(0), 6)
10923 );
10924 assert_eq!(
10925 local_selections[0].range,
10926 DisplayPoint::new(DisplayRow(0), 0)..DisplayPoint::new(DisplayRow(1), 0)
10927 );
10928
10929 // moves cursor back one column
10930 assert_eq!(
10931 local_selections[1].range,
10932 DisplayPoint::new(DisplayRow(3), 2)..DisplayPoint::new(DisplayRow(3), 3)
10933 );
10934 assert_eq!(
10935 local_selections[1].head,
10936 DisplayPoint::new(DisplayRow(3), 2)
10937 );
10938
10939 // leaves cursor on the max point
10940 assert_eq!(
10941 local_selections[2].range,
10942 DisplayPoint::new(DisplayRow(5), 6)..DisplayPoint::new(DisplayRow(6), 0)
10943 );
10944 assert_eq!(
10945 local_selections[2].head,
10946 DisplayPoint::new(DisplayRow(6), 0)
10947 );
10948
10949 // active lines does not include 1 (even though the range of the selection does)
10950 assert_eq!(
10951 state.active_rows.keys().cloned().collect::<Vec<_>>(),
10952 vec![DisplayRow(0), DisplayRow(3), DisplayRow(5), DisplayRow(6)]
10953 );
10954 }
10955
10956 #[gpui::test]
10957 fn test_layout_with_placeholder_text_and_blocks(cx: &mut TestAppContext) {
10958 init_test(cx, |_| {});
10959
10960 let window = cx.add_window(|window, cx| {
10961 let buffer = MultiBuffer::build_simple("", cx);
10962 Editor::new(EditorMode::full(), buffer, None, window, cx)
10963 });
10964 let cx = &mut VisualTestContext::from_window(*window, cx);
10965 let editor = window.root(cx).unwrap();
10966 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10967 window
10968 .update(cx, |editor, window, cx| {
10969 editor.set_placeholder_text("hello", window, cx);
10970 editor.insert_blocks(
10971 [BlockProperties {
10972 style: BlockStyle::Fixed,
10973 placement: BlockPlacement::Above(Anchor::min()),
10974 height: Some(3),
10975 render: Arc::new(|cx| div().h(3. * cx.window.line_height()).into_any()),
10976 priority: 0,
10977 }],
10978 None,
10979 cx,
10980 );
10981
10982 // Blur the editor so that it displays placeholder text.
10983 window.blur();
10984 })
10985 .unwrap();
10986
10987 let (_, state) = cx.draw(
10988 point(px(500.), px(500.)),
10989 size(px(500.), px(500.)),
10990 |_, _| EditorElement::new(&editor, style),
10991 );
10992 assert_eq!(state.position_map.line_layouts.len(), 4);
10993 assert_eq!(state.line_numbers.len(), 1);
10994 assert_eq!(
10995 state
10996 .line_numbers
10997 .get(&MultiBufferRow(0))
10998 .map(|line_number| line_number.shaped_line.text.as_ref()),
10999 Some("1")
11000 );
11001 }
11002
11003 #[gpui::test]
11004 fn test_all_invisibles_drawing(cx: &mut TestAppContext) {
11005 const TAB_SIZE: u32 = 4;
11006
11007 let input_text = "\t \t|\t| a b";
11008 let expected_invisibles = vec![
11009 Invisible::Tab {
11010 line_start_offset: 0,
11011 line_end_offset: TAB_SIZE as usize,
11012 },
11013 Invisible::Whitespace {
11014 line_offset: TAB_SIZE as usize,
11015 },
11016 Invisible::Tab {
11017 line_start_offset: TAB_SIZE as usize + 1,
11018 line_end_offset: TAB_SIZE as usize * 2,
11019 },
11020 Invisible::Tab {
11021 line_start_offset: TAB_SIZE as usize * 2 + 1,
11022 line_end_offset: TAB_SIZE as usize * 3,
11023 },
11024 Invisible::Whitespace {
11025 line_offset: TAB_SIZE as usize * 3 + 1,
11026 },
11027 Invisible::Whitespace {
11028 line_offset: TAB_SIZE as usize * 3 + 3,
11029 },
11030 ];
11031 assert_eq!(
11032 expected_invisibles.len(),
11033 input_text
11034 .chars()
11035 .filter(|initial_char| initial_char.is_whitespace())
11036 .count(),
11037 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
11038 );
11039
11040 for show_line_numbers in [true, false] {
11041 init_test(cx, |s| {
11042 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11043 s.defaults.tab_size = NonZeroU32::new(TAB_SIZE);
11044 });
11045
11046 let actual_invisibles = collect_invisibles_from_new_editor(
11047 cx,
11048 EditorMode::full(),
11049 input_text,
11050 px(500.0),
11051 show_line_numbers,
11052 );
11053
11054 assert_eq!(expected_invisibles, actual_invisibles);
11055 }
11056 }
11057
11058 #[gpui::test]
11059 fn test_invisibles_dont_appear_in_certain_editors(cx: &mut TestAppContext) {
11060 init_test(cx, |s| {
11061 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11062 s.defaults.tab_size = NonZeroU32::new(4);
11063 });
11064
11065 for editor_mode_without_invisibles in [
11066 EditorMode::SingleLine,
11067 EditorMode::AutoHeight {
11068 min_lines: 1,
11069 max_lines: Some(100),
11070 },
11071 ] {
11072 for show_line_numbers in [true, false] {
11073 let invisibles = collect_invisibles_from_new_editor(
11074 cx,
11075 editor_mode_without_invisibles.clone(),
11076 "\t\t\t| | a b",
11077 px(500.0),
11078 show_line_numbers,
11079 );
11080 assert!(
11081 invisibles.is_empty(),
11082 "For editor mode {editor_mode_without_invisibles:?} no invisibles was expected but got {invisibles:?}"
11083 );
11084 }
11085 }
11086 }
11087
11088 #[gpui::test]
11089 fn test_wrapped_invisibles_drawing(cx: &mut TestAppContext) {
11090 let tab_size = 4;
11091 let input_text = "a\tbcd ".repeat(9);
11092 let repeated_invisibles = [
11093 Invisible::Tab {
11094 line_start_offset: 1,
11095 line_end_offset: tab_size as usize,
11096 },
11097 Invisible::Whitespace {
11098 line_offset: tab_size as usize + 3,
11099 },
11100 Invisible::Whitespace {
11101 line_offset: tab_size as usize + 4,
11102 },
11103 Invisible::Whitespace {
11104 line_offset: tab_size as usize + 5,
11105 },
11106 Invisible::Whitespace {
11107 line_offset: tab_size as usize + 6,
11108 },
11109 Invisible::Whitespace {
11110 line_offset: tab_size as usize + 7,
11111 },
11112 ];
11113 let expected_invisibles = std::iter::once(repeated_invisibles)
11114 .cycle()
11115 .take(9)
11116 .flatten()
11117 .collect::<Vec<_>>();
11118 assert_eq!(
11119 expected_invisibles.len(),
11120 input_text
11121 .chars()
11122 .filter(|initial_char| initial_char.is_whitespace())
11123 .count(),
11124 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
11125 );
11126 info!("Expected invisibles: {expected_invisibles:?}");
11127
11128 init_test(cx, |_| {});
11129
11130 // Put the same string with repeating whitespace pattern into editors of various size,
11131 // take deliberately small steps during resizing, to put all whitespace kinds near the wrap point.
11132 let resize_step = 10.0;
11133 let mut editor_width = 200.0;
11134 while editor_width <= 1000.0 {
11135 for show_line_numbers in [true, false] {
11136 update_test_language_settings(cx, |s| {
11137 s.defaults.tab_size = NonZeroU32::new(tab_size);
11138 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11139 s.defaults.preferred_line_length = Some(editor_width as u32);
11140 s.defaults.soft_wrap = Some(language_settings::SoftWrap::PreferredLineLength);
11141 });
11142
11143 let actual_invisibles = collect_invisibles_from_new_editor(
11144 cx,
11145 EditorMode::full(),
11146 &input_text,
11147 px(editor_width),
11148 show_line_numbers,
11149 );
11150
11151 // Whatever the editor size is, ensure it has the same invisible kinds in the same order
11152 // (no good guarantees about the offsets: wrapping could trigger padding and its tests should check the offsets).
11153 let mut i = 0;
11154 for (actual_index, actual_invisible) in actual_invisibles.iter().enumerate() {
11155 i = actual_index;
11156 match expected_invisibles.get(i) {
11157 Some(expected_invisible) => match (expected_invisible, actual_invisible) {
11158 (Invisible::Whitespace { .. }, Invisible::Whitespace { .. })
11159 | (Invisible::Tab { .. }, Invisible::Tab { .. }) => {}
11160 _ => {
11161 panic!(
11162 "At index {i}, expected invisible {expected_invisible:?} does not match actual {actual_invisible:?} by kind. Actual invisibles: {actual_invisibles:?}"
11163 )
11164 }
11165 },
11166 None => {
11167 panic!("Unexpected extra invisible {actual_invisible:?} at index {i}")
11168 }
11169 }
11170 }
11171 let missing_expected_invisibles = &expected_invisibles[i + 1..];
11172 assert!(
11173 missing_expected_invisibles.is_empty(),
11174 "Missing expected invisibles after index {i}: {missing_expected_invisibles:?}"
11175 );
11176
11177 editor_width += resize_step;
11178 }
11179 }
11180 }
11181
11182 fn collect_invisibles_from_new_editor(
11183 cx: &mut TestAppContext,
11184 editor_mode: EditorMode,
11185 input_text: &str,
11186 editor_width: Pixels,
11187 show_line_numbers: bool,
11188 ) -> Vec<Invisible> {
11189 info!(
11190 "Creating editor with mode {editor_mode:?}, width {}px and text '{input_text}'",
11191 f32::from(editor_width)
11192 );
11193 let window = cx.add_window(|window, cx| {
11194 let buffer = MultiBuffer::build_simple(input_text, cx);
11195 Editor::new(editor_mode, buffer, None, window, cx)
11196 });
11197 let cx = &mut VisualTestContext::from_window(*window, cx);
11198 let editor = window.root(cx).unwrap();
11199
11200 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
11201 window
11202 .update(cx, |editor, _, cx| {
11203 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
11204 editor.set_wrap_width(Some(editor_width), cx);
11205 editor.set_show_line_numbers(show_line_numbers, cx);
11206 })
11207 .unwrap();
11208 let (_, state) = cx.draw(
11209 point(px(500.), px(500.)),
11210 size(px(500.), px(500.)),
11211 |_, _| EditorElement::new(&editor, style),
11212 );
11213 state
11214 .position_map
11215 .line_layouts
11216 .iter()
11217 .flat_map(|line_with_invisibles| &line_with_invisibles.invisibles)
11218 .cloned()
11219 .collect()
11220 }
11221
11222 #[gpui::test]
11223 fn test_merge_overlapping_ranges() {
11224 let base_bg = Hsla::white();
11225 let color1 = Hsla {
11226 h: 0.0,
11227 s: 0.5,
11228 l: 0.5,
11229 a: 0.5,
11230 };
11231 let color2 = Hsla {
11232 h: 120.0,
11233 s: 0.5,
11234 l: 0.5,
11235 a: 0.5,
11236 };
11237
11238 let display_point = |col| DisplayPoint::new(DisplayRow(0), col);
11239 let cols = |v: &Vec<(Range<DisplayPoint>, Hsla)>| -> Vec<(u32, u32)> {
11240 v.iter()
11241 .map(|(r, _)| (r.start.column(), r.end.column()))
11242 .collect()
11243 };
11244
11245 // Test overlapping ranges blend colors
11246 let overlapping = vec![
11247 (display_point(5)..display_point(15), color1),
11248 (display_point(10)..display_point(20), color2),
11249 ];
11250 let result = EditorElement::merge_overlapping_ranges(overlapping, base_bg);
11251 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11252
11253 // Test middle segment should have blended color
11254 let blended = Hsla::blend(Hsla::blend(base_bg, color1), color2);
11255 assert_eq!(result[1].1, blended);
11256
11257 // Test adjacent same-color ranges merge
11258 let adjacent_same = vec![
11259 (display_point(5)..display_point(10), color1),
11260 (display_point(10)..display_point(15), color1),
11261 ];
11262 let result = EditorElement::merge_overlapping_ranges(adjacent_same, base_bg);
11263 assert_eq!(cols(&result), vec![(5, 15)]);
11264
11265 // Test contained range splits
11266 let contained = vec![
11267 (display_point(5)..display_point(20), color1),
11268 (display_point(10)..display_point(15), color2),
11269 ];
11270 let result = EditorElement::merge_overlapping_ranges(contained, base_bg);
11271 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11272
11273 // Test multiple overlaps split at every boundary
11274 let color3 = Hsla {
11275 h: 240.0,
11276 s: 0.5,
11277 l: 0.5,
11278 a: 0.5,
11279 };
11280 let complex = vec![
11281 (display_point(5)..display_point(12), color1),
11282 (display_point(8)..display_point(16), color2),
11283 (display_point(10)..display_point(14), color3),
11284 ];
11285 let result = EditorElement::merge_overlapping_ranges(complex, base_bg);
11286 assert_eq!(
11287 cols(&result),
11288 vec![(5, 8), (8, 10), (10, 12), (12, 14), (14, 16)]
11289 );
11290 }
11291
11292 #[gpui::test]
11293 fn test_bg_segments_per_row() {
11294 let base_bg = Hsla::white();
11295
11296 // Case A: selection spans three display rows: row 1 [5, end), full row 2, row 3 [0, 7)
11297 {
11298 let selection_color = Hsla {
11299 h: 200.0,
11300 s: 0.5,
11301 l: 0.5,
11302 a: 0.5,
11303 };
11304 let player_color = PlayerColor {
11305 cursor: selection_color,
11306 background: selection_color,
11307 selection: selection_color,
11308 };
11309
11310 let spanning_selection = SelectionLayout {
11311 head: DisplayPoint::new(DisplayRow(3), 7),
11312 cursor_shape: CursorShape::Bar,
11313 is_newest: true,
11314 is_local: true,
11315 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 7),
11316 active_rows: DisplayRow(1)..DisplayRow(4),
11317 user_name: None,
11318 };
11319
11320 let selections = vec![(player_color, vec![spanning_selection])];
11321 let result = EditorElement::bg_segments_per_row(
11322 DisplayRow(0)..DisplayRow(5),
11323 &selections,
11324 &[],
11325 base_bg,
11326 );
11327
11328 assert_eq!(result.len(), 5);
11329 assert!(result[0].is_empty());
11330 assert_eq!(result[1].len(), 1);
11331 assert_eq!(result[2].len(), 1);
11332 assert_eq!(result[3].len(), 1);
11333 assert!(result[4].is_empty());
11334
11335 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11336 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11337 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11338 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11339 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11340 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11341 assert_eq!(result[3][0].0.start, DisplayPoint::new(DisplayRow(3), 0));
11342 assert_eq!(result[3][0].0.end, DisplayPoint::new(DisplayRow(3), 7));
11343 }
11344
11345 // Case B: selection ends exactly at the start of row 3, excluding row 3
11346 {
11347 let selection_color = Hsla {
11348 h: 120.0,
11349 s: 0.5,
11350 l: 0.5,
11351 a: 0.5,
11352 };
11353 let player_color = PlayerColor {
11354 cursor: selection_color,
11355 background: selection_color,
11356 selection: selection_color,
11357 };
11358
11359 let selection = SelectionLayout {
11360 head: DisplayPoint::new(DisplayRow(2), 0),
11361 cursor_shape: CursorShape::Bar,
11362 is_newest: true,
11363 is_local: true,
11364 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 0),
11365 active_rows: DisplayRow(1)..DisplayRow(3),
11366 user_name: None,
11367 };
11368
11369 let selections = vec![(player_color, vec![selection])];
11370 let result = EditorElement::bg_segments_per_row(
11371 DisplayRow(0)..DisplayRow(4),
11372 &selections,
11373 &[],
11374 base_bg,
11375 );
11376
11377 assert_eq!(result.len(), 4);
11378 assert!(result[0].is_empty());
11379 assert_eq!(result[1].len(), 1);
11380 assert_eq!(result[2].len(), 1);
11381 assert!(result[3].is_empty());
11382
11383 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11384 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11385 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11386 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11387 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11388 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11389 }
11390 }
11391
11392 #[cfg(test)]
11393 fn generate_test_run(len: usize, color: Hsla) -> TextRun {
11394 TextRun {
11395 len,
11396 font: gpui::font(".SystemUIFont"),
11397 color,
11398 background_color: None,
11399 underline: None,
11400 strikethrough: None,
11401 }
11402 }
11403
11404 #[gpui::test]
11405 fn test_split_runs_by_bg_segments(cx: &mut gpui::TestAppContext) {
11406 init_test(cx, |_| {});
11407
11408 let dx = |start: u32, end: u32| {
11409 DisplayPoint::new(DisplayRow(0), start)..DisplayPoint::new(DisplayRow(0), end)
11410 };
11411
11412 let text_color = Hsla {
11413 h: 210.0,
11414 s: 0.1,
11415 l: 0.4,
11416 a: 1.0,
11417 };
11418 let bg_1 = Hsla {
11419 h: 30.0,
11420 s: 0.6,
11421 l: 0.8,
11422 a: 1.0,
11423 };
11424 let bg_2 = Hsla {
11425 h: 200.0,
11426 s: 0.6,
11427 l: 0.2,
11428 a: 1.0,
11429 };
11430 let min_contrast = 45.0;
11431 let adjusted_bg1 = ensure_minimum_contrast(text_color, bg_1, min_contrast);
11432 let adjusted_bg2 = ensure_minimum_contrast(text_color, bg_2, min_contrast);
11433
11434 // Case A: single run; disjoint segments inside the run
11435 {
11436 let runs = vec![generate_test_run(20, text_color)];
11437 let segs = vec![(dx(5, 10), bg_1), (dx(12, 16), bg_2)];
11438 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11439 // Expected slices: [0,5) [5,10) [10,12) [12,16) [16,20)
11440 assert_eq!(
11441 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11442 vec![5, 5, 2, 4, 4]
11443 );
11444 assert_eq!(out[0].color, text_color);
11445 assert_eq!(out[1].color, adjusted_bg1);
11446 assert_eq!(out[2].color, text_color);
11447 assert_eq!(out[3].color, adjusted_bg2);
11448 assert_eq!(out[4].color, text_color);
11449 }
11450
11451 // Case B: multiple runs; segment extends to end of line (u32::MAX)
11452 {
11453 let runs = vec![
11454 generate_test_run(8, text_color),
11455 generate_test_run(7, text_color),
11456 ];
11457 let segs = vec![(dx(6, u32::MAX), bg_1)];
11458 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11459 // Expected slices across runs: [0,6) [6,8) | [0,7)
11460 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![6, 2, 7]);
11461 assert_eq!(out[0].color, text_color);
11462 assert_eq!(out[1].color, adjusted_bg1);
11463 assert_eq!(out[2].color, adjusted_bg1);
11464 }
11465
11466 // Case C: multi-byte characters
11467 {
11468 // for text: "Hello π δΈη!"
11469 let runs = vec![
11470 generate_test_run(5, text_color), // "Hello"
11471 generate_test_run(6, text_color), // " π "
11472 generate_test_run(6, text_color), // "δΈη"
11473 generate_test_run(1, text_color), // "!"
11474 ];
11475 // selecting "π δΈ"
11476 let segs = vec![(dx(6, 14), bg_1)];
11477 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11478 // "Hello" | " " | "π " | "δΈ" | "η" | "!"
11479 assert_eq!(
11480 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11481 vec![5, 1, 5, 3, 3, 1]
11482 );
11483 assert_eq!(out[0].color, text_color); // "Hello"
11484 assert_eq!(out[2].color, adjusted_bg1); // "π "
11485 assert_eq!(out[3].color, adjusted_bg1); // "δΈ"
11486 assert_eq!(out[4].color, text_color); // "η"
11487 assert_eq!(out[5].color, text_color); // "!"
11488 }
11489
11490 // Case D: split multiple consecutive text runs with segments
11491 {
11492 let segs = vec![
11493 (dx(2, 4), bg_1), // selecting "cd"
11494 (dx(4, 8), bg_2), // selecting "efgh"
11495 (dx(9, 11), bg_1), // selecting "jk"
11496 (dx(12, 16), bg_2), // selecting "mnop"
11497 (dx(18, 19), bg_1), // selecting "s"
11498 ];
11499
11500 // for text: "abcdef"
11501 let runs = vec![
11502 generate_test_run(2, text_color), // ab
11503 generate_test_run(4, text_color), // cdef
11504 ];
11505 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11506 // new splits "ab", "cd", "ef"
11507 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![2, 2, 2]);
11508 assert_eq!(out[0].color, text_color);
11509 assert_eq!(out[1].color, adjusted_bg1);
11510 assert_eq!(out[2].color, adjusted_bg2);
11511
11512 // for text: "ghijklmn"
11513 let runs = vec![
11514 generate_test_run(3, text_color), // ghi
11515 generate_test_run(2, text_color), // jk
11516 generate_test_run(3, text_color), // lmn
11517 ];
11518 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 6); // 2 + 4 from first run
11519 // new splits "gh", "i", "jk", "l", "mn"
11520 assert_eq!(
11521 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11522 vec![2, 1, 2, 1, 2]
11523 );
11524 assert_eq!(out[0].color, adjusted_bg2);
11525 assert_eq!(out[1].color, text_color);
11526 assert_eq!(out[2].color, adjusted_bg1);
11527 assert_eq!(out[3].color, text_color);
11528 assert_eq!(out[4].color, adjusted_bg2);
11529
11530 // for text: "opqrs"
11531 let runs = vec![
11532 generate_test_run(1, text_color), // o
11533 generate_test_run(4, text_color), // pqrs
11534 ];
11535 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 14); // 6 + 3 + 2 + 3 from first two runs
11536 // new splits "o", "p", "qr", "s"
11537 assert_eq!(
11538 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11539 vec![1, 1, 2, 1]
11540 );
11541 assert_eq!(out[0].color, adjusted_bg2);
11542 assert_eq!(out[1].color, adjusted_bg2);
11543 assert_eq!(out[2].color, text_color);
11544 assert_eq!(out[3].color, adjusted_bg1);
11545 }
11546 }
11547}