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 && !modifiers.shift
685 {
686 let newest_anchor = editor.selections.newest_anchor();
687 let snapshot = editor.snapshot(window, cx);
688 let selection = newest_anchor.map(|anchor| anchor.to_display_point(&snapshot));
689 if point_for_position.intersects_selection(&selection) {
690 editor.selection_drag_state = SelectionDragState::ReadyToDrag {
691 selection: newest_anchor.clone(),
692 click_position: event.position,
693 mouse_down_time: Instant::now(),
694 };
695 cx.stop_propagation();
696 return;
697 }
698 }
699
700 let is_singleton = editor.buffer().read(cx).is_singleton();
701
702 if click_count == 2 && !is_singleton {
703 match EditorSettings::get_global(cx).double_click_in_multibuffer {
704 DoubleClickInMultibuffer::Select => {
705 // do nothing special on double click, all selection logic is below
706 }
707 DoubleClickInMultibuffer::Open => {
708 if modifiers.alt {
709 // if double click is made with alt, pretend it's a regular double click without opening and alt,
710 // and run the selection logic.
711 modifiers.alt = false;
712 } else {
713 let scroll_position_row = position_map.scroll_position.y;
714 let display_row = (((event.position - gutter_hitbox.bounds.origin).y
715 / position_map.line_height)
716 as f64
717 + position_map.scroll_position.y)
718 as u32;
719 let multi_buffer_row = position_map
720 .snapshot
721 .display_point_to_point(
722 DisplayPoint::new(DisplayRow(display_row), 0),
723 Bias::Right,
724 )
725 .row;
726 let line_offset_from_top = display_row - scroll_position_row as u32;
727 // if double click is made without alt, open the corresponding excerp
728 editor.open_excerpts_common(
729 Some(JumpData::MultiBufferRow {
730 row: MultiBufferRow(multi_buffer_row),
731 line_offset_from_top,
732 }),
733 false,
734 window,
735 cx,
736 );
737 return;
738 }
739 }
740 }
741 }
742
743 if !is_singleton {
744 let display_row = (ScrollPixelOffset::from(
745 (event.position - gutter_hitbox.bounds.origin).y / position_map.line_height,
746 ) + position_map.scroll_position.y) as u32;
747 let multi_buffer_row = position_map
748 .snapshot
749 .display_point_to_point(DisplayPoint::new(DisplayRow(display_row), 0), Bias::Right)
750 .row;
751 if line_numbers
752 .get(&MultiBufferRow(multi_buffer_row))
753 .and_then(|line_number| line_number.hitbox.as_ref())
754 .is_some_and(|hitbox| hitbox.contains(&event.position))
755 {
756 let line_offset_from_top = display_row - position_map.scroll_position.y as u32;
757
758 editor.open_excerpts_common(
759 Some(JumpData::MultiBufferRow {
760 row: MultiBufferRow(multi_buffer_row),
761 line_offset_from_top,
762 }),
763 modifiers.alt,
764 window,
765 cx,
766 );
767 cx.stop_propagation();
768 return;
769 }
770 }
771
772 let position = point_for_position.previous_valid;
773 if let Some(mode) = Editor::columnar_selection_mode(&modifiers, cx) {
774 editor.select(
775 SelectPhase::BeginColumnar {
776 position,
777 reset: match mode {
778 ColumnarMode::FromMouse => true,
779 ColumnarMode::FromSelection => false,
780 },
781 mode,
782 goal_column: point_for_position.exact_unclipped.column(),
783 },
784 window,
785 cx,
786 );
787 } else if modifiers.shift && !modifiers.control && !modifiers.alt && !modifiers.secondary()
788 {
789 editor.select(
790 SelectPhase::Extend {
791 position,
792 click_count,
793 },
794 window,
795 cx,
796 );
797 } else {
798 editor.select(
799 SelectPhase::Begin {
800 position,
801 add: Editor::multi_cursor_modifier(true, &modifiers, cx),
802 click_count,
803 },
804 window,
805 cx,
806 );
807 }
808 cx.stop_propagation();
809 }
810
811 fn mouse_right_down(
812 editor: &mut Editor,
813 event: &MouseDownEvent,
814 position_map: &PositionMap,
815 window: &mut Window,
816 cx: &mut Context<Editor>,
817 ) {
818 if position_map.gutter_hitbox.is_hovered(window) {
819 let gutter_right_padding = editor.gutter_dimensions.right_padding;
820 let hitbox = &position_map.gutter_hitbox;
821
822 if event.position.x <= hitbox.bounds.right() - gutter_right_padding {
823 let point_for_position = position_map.point_for_position(event.position);
824 editor.set_breakpoint_context_menu(
825 point_for_position.previous_valid.row(),
826 None,
827 event.position,
828 window,
829 cx,
830 );
831 }
832 return;
833 }
834
835 if !position_map.text_hitbox.is_hovered(window) {
836 return;
837 }
838
839 let point_for_position = position_map.point_for_position(event.position);
840 mouse_context_menu::deploy_context_menu(
841 editor,
842 Some(event.position),
843 point_for_position.previous_valid,
844 window,
845 cx,
846 );
847 cx.stop_propagation();
848 }
849
850 fn mouse_middle_down(
851 editor: &mut Editor,
852 event: &MouseDownEvent,
853 position_map: &PositionMap,
854 window: &mut Window,
855 cx: &mut Context<Editor>,
856 ) {
857 if !position_map.text_hitbox.is_hovered(window) || window.default_prevented() {
858 return;
859 }
860
861 let point_for_position = position_map.point_for_position(event.position);
862 let position = point_for_position.previous_valid;
863
864 editor.select(
865 SelectPhase::BeginColumnar {
866 position,
867 reset: true,
868 mode: ColumnarMode::FromMouse,
869 goal_column: point_for_position.exact_unclipped.column(),
870 },
871 window,
872 cx,
873 );
874 }
875
876 fn mouse_up(
877 editor: &mut Editor,
878 event: &MouseUpEvent,
879 position_map: &PositionMap,
880 window: &mut Window,
881 cx: &mut Context<Editor>,
882 ) {
883 let text_hitbox = &position_map.text_hitbox;
884 let end_selection = editor.has_pending_selection();
885 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
886 let point_for_position = position_map.point_for_position(event.position);
887
888 match editor.selection_drag_state {
889 SelectionDragState::ReadyToDrag {
890 selection: _,
891 ref click_position,
892 mouse_down_time: _,
893 } => {
894 if event.position == *click_position {
895 editor.select(
896 SelectPhase::Begin {
897 position: point_for_position.previous_valid,
898 add: false,
899 click_count: 1, // ready to drag state only occurs on click count 1
900 },
901 window,
902 cx,
903 );
904 editor.selection_drag_state = SelectionDragState::None;
905 cx.stop_propagation();
906 return;
907 } else {
908 debug_panic!("drag state can never be in ready state after drag")
909 }
910 }
911 SelectionDragState::Dragging { ref selection, .. } => {
912 let snapshot = editor.snapshot(window, cx);
913 let selection_display = selection.map(|anchor| anchor.to_display_point(&snapshot));
914 if !point_for_position.intersects_selection(&selection_display)
915 && text_hitbox.is_hovered(window)
916 {
917 let is_cut = !(cfg!(target_os = "macos") && event.modifiers.alt
918 || cfg!(not(target_os = "macos")) && event.modifiers.control);
919 editor.move_selection_on_drop(
920 &selection.clone(),
921 point_for_position.previous_valid,
922 is_cut,
923 window,
924 cx,
925 );
926 }
927 editor.selection_drag_state = SelectionDragState::None;
928 cx.stop_propagation();
929 cx.notify();
930 return;
931 }
932 _ => {}
933 }
934
935 if end_selection {
936 editor.select(SelectPhase::End, window, cx);
937 }
938
939 if end_selection && pending_nonempty_selections {
940 cx.stop_propagation();
941 } else if cfg!(any(target_os = "linux", target_os = "freebsd"))
942 && event.button == MouseButton::Middle
943 {
944 #[allow(
945 clippy::collapsible_if,
946 clippy::needless_return,
947 reason = "The cfg-block below makes this a false positive"
948 )]
949 if !text_hitbox.is_hovered(window) || editor.read_only(cx) {
950 return;
951 }
952
953 #[cfg(any(target_os = "linux", target_os = "freebsd"))]
954 if EditorSettings::get_global(cx).middle_click_paste {
955 if let Some(text) = cx.read_from_primary().and_then(|item| item.text()) {
956 let point_for_position = position_map.point_for_position(event.position);
957 let position = point_for_position.previous_valid;
958
959 editor.select(
960 SelectPhase::Begin {
961 position,
962 add: false,
963 click_count: 1,
964 },
965 window,
966 cx,
967 );
968 editor.insert(&text, window, cx);
969 }
970 cx.stop_propagation()
971 }
972 }
973 }
974
975 fn click(
976 editor: &mut Editor,
977 event: &ClickEvent,
978 position_map: &PositionMap,
979 window: &mut Window,
980 cx: &mut Context<Editor>,
981 ) {
982 let text_hitbox = &position_map.text_hitbox;
983 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
984
985 let hovered_link_modifier = Editor::multi_cursor_modifier(false, &event.modifiers(), cx);
986
987 if let Some(mouse_position) = event.mouse_position()
988 && !pending_nonempty_selections
989 && hovered_link_modifier
990 && text_hitbox.is_hovered(window)
991 {
992 let point = position_map.point_for_position(mouse_position);
993 editor.handle_click_hovered_link(point, event.modifiers(), window, cx);
994 editor.selection_drag_state = SelectionDragState::None;
995
996 cx.stop_propagation();
997 }
998 }
999
1000 fn mouse_dragged(
1001 editor: &mut Editor,
1002 event: &MouseMoveEvent,
1003 position_map: &PositionMap,
1004 window: &mut Window,
1005 cx: &mut Context<Editor>,
1006 ) {
1007 if !editor.has_pending_selection()
1008 && matches!(editor.selection_drag_state, SelectionDragState::None)
1009 {
1010 return;
1011 }
1012
1013 let point_for_position = position_map.point_for_position(event.position);
1014 let text_hitbox = &position_map.text_hitbox;
1015
1016 let scroll_delta = {
1017 let text_bounds = text_hitbox.bounds;
1018 let mut scroll_delta = gpui::Point::<f32>::default();
1019 let vertical_margin = position_map.line_height.min(text_bounds.size.height / 3.0);
1020 let top = text_bounds.origin.y + vertical_margin;
1021 let bottom = text_bounds.bottom_left().y - vertical_margin;
1022 if event.position.y < top {
1023 scroll_delta.y = -scale_vertical_mouse_autoscroll_delta(top - event.position.y);
1024 }
1025 if event.position.y > bottom {
1026 scroll_delta.y = scale_vertical_mouse_autoscroll_delta(event.position.y - bottom);
1027 }
1028
1029 // We need horizontal width of text
1030 let style = editor.style.clone().unwrap_or_default();
1031 let font_id = window.text_system().resolve_font(&style.text.font());
1032 let font_size = style.text.font_size.to_pixels(window.rem_size());
1033 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
1034
1035 let scroll_margin_x = EditorSettings::get_global(cx).horizontal_scroll_margin;
1036
1037 let scroll_space: Pixels = scroll_margin_x * em_width;
1038
1039 let left = text_bounds.origin.x + scroll_space;
1040 let right = text_bounds.top_right().x - scroll_space;
1041
1042 if event.position.x < left {
1043 scroll_delta.x = -scale_horizontal_mouse_autoscroll_delta(left - event.position.x);
1044 }
1045 if event.position.x > right {
1046 scroll_delta.x = scale_horizontal_mouse_autoscroll_delta(event.position.x - right);
1047 }
1048 scroll_delta
1049 };
1050
1051 if !editor.has_pending_selection() {
1052 let drop_anchor = position_map
1053 .snapshot
1054 .display_point_to_anchor(point_for_position.previous_valid, Bias::Left);
1055 match editor.selection_drag_state {
1056 SelectionDragState::Dragging {
1057 ref mut drop_cursor,
1058 ref mut hide_drop_cursor,
1059 ..
1060 } => {
1061 drop_cursor.start = drop_anchor;
1062 drop_cursor.end = drop_anchor;
1063 *hide_drop_cursor = !text_hitbox.is_hovered(window);
1064 editor.apply_scroll_delta(scroll_delta, window, cx);
1065 cx.notify();
1066 }
1067 SelectionDragState::ReadyToDrag {
1068 ref selection,
1069 ref click_position,
1070 ref mouse_down_time,
1071 } => {
1072 let drag_and_drop_delay = Duration::from_millis(
1073 EditorSettings::get_global(cx).drag_and_drop_selection.delay,
1074 );
1075 if mouse_down_time.elapsed() >= drag_and_drop_delay {
1076 let drop_cursor = Selection {
1077 id: post_inc(&mut editor.selections.next_selection_id()),
1078 start: drop_anchor,
1079 end: drop_anchor,
1080 reversed: false,
1081 goal: SelectionGoal::None,
1082 };
1083 editor.selection_drag_state = SelectionDragState::Dragging {
1084 selection: selection.clone(),
1085 drop_cursor,
1086 hide_drop_cursor: false,
1087 };
1088 editor.apply_scroll_delta(scroll_delta, window, cx);
1089 cx.notify();
1090 } else {
1091 let click_point = position_map.point_for_position(*click_position);
1092 editor.selection_drag_state = SelectionDragState::None;
1093 editor.select(
1094 SelectPhase::Begin {
1095 position: click_point.previous_valid,
1096 add: false,
1097 click_count: 1,
1098 },
1099 window,
1100 cx,
1101 );
1102 editor.select(
1103 SelectPhase::Update {
1104 position: point_for_position.previous_valid,
1105 goal_column: point_for_position.exact_unclipped.column(),
1106 scroll_delta,
1107 },
1108 window,
1109 cx,
1110 );
1111 }
1112 }
1113 _ => {}
1114 }
1115 } else {
1116 editor.select(
1117 SelectPhase::Update {
1118 position: point_for_position.previous_valid,
1119 goal_column: point_for_position.exact_unclipped.column(),
1120 scroll_delta,
1121 },
1122 window,
1123 cx,
1124 );
1125 }
1126 }
1127
1128 fn mouse_moved(
1129 editor: &mut Editor,
1130 event: &MouseMoveEvent,
1131 position_map: &PositionMap,
1132 window: &mut Window,
1133 cx: &mut Context<Editor>,
1134 ) {
1135 let text_hitbox = &position_map.text_hitbox;
1136 let gutter_hitbox = &position_map.gutter_hitbox;
1137 let modifiers = event.modifiers;
1138 let text_hovered = text_hitbox.is_hovered(window);
1139 let gutter_hovered = gutter_hitbox.is_hovered(window);
1140 editor.set_gutter_hovered(gutter_hovered, cx);
1141 editor.show_mouse_cursor(cx);
1142
1143 let point_for_position = position_map.point_for_position(event.position);
1144 let valid_point = point_for_position.previous_valid;
1145
1146 let hovered_diff_control = position_map
1147 .diff_hunk_control_bounds
1148 .iter()
1149 .find(|(_, bounds)| bounds.contains(&event.position))
1150 .map(|(row, _)| *row);
1151
1152 let hovered_diff_hunk_row = if let Some(control_row) = hovered_diff_control {
1153 Some(control_row)
1154 } else if text_hovered {
1155 let current_row = valid_point.row();
1156 position_map.display_hunks.iter().find_map(|(hunk, _)| {
1157 if let DisplayDiffHunk::Unfolded {
1158 display_row_range, ..
1159 } = hunk
1160 {
1161 if display_row_range.contains(¤t_row) {
1162 Some(display_row_range.start)
1163 } else {
1164 None
1165 }
1166 } else {
1167 None
1168 }
1169 })
1170 } else {
1171 None
1172 };
1173
1174 if hovered_diff_hunk_row != editor.hovered_diff_hunk_row {
1175 editor.hovered_diff_hunk_row = hovered_diff_hunk_row;
1176 cx.notify();
1177 }
1178
1179 if let Some((bounds, buffer_id, blame_entry)) = &position_map.inline_blame_bounds {
1180 let mouse_over_inline_blame = bounds.contains(&event.position);
1181 let mouse_over_popover = editor
1182 .inline_blame_popover
1183 .as_ref()
1184 .and_then(|state| state.popover_bounds)
1185 .is_some_and(|bounds| bounds.contains(&event.position));
1186 let keyboard_grace = editor
1187 .inline_blame_popover
1188 .as_ref()
1189 .is_some_and(|state| state.keyboard_grace);
1190
1191 if mouse_over_inline_blame || mouse_over_popover {
1192 editor.show_blame_popover(*buffer_id, blame_entry, event.position, false, cx);
1193 } else if !keyboard_grace {
1194 editor.hide_blame_popover(cx);
1195 }
1196 } else {
1197 editor.hide_blame_popover(cx);
1198 }
1199
1200 let breakpoint_indicator = if gutter_hovered {
1201 let buffer_anchor = position_map
1202 .snapshot
1203 .display_point_to_anchor(valid_point, Bias::Left);
1204
1205 if let Some((buffer_snapshot, file)) = position_map
1206 .snapshot
1207 .buffer_snapshot()
1208 .buffer_for_excerpt(buffer_anchor.excerpt_id)
1209 .and_then(|buffer| buffer.file().map(|file| (buffer, file)))
1210 {
1211 let as_point = text::ToPoint::to_point(&buffer_anchor.text_anchor, buffer_snapshot);
1212
1213 let is_visible = editor
1214 .gutter_breakpoint_indicator
1215 .0
1216 .is_some_and(|indicator| indicator.is_active);
1217
1218 let has_existing_breakpoint =
1219 editor.breakpoint_store.as_ref().is_some_and(|store| {
1220 let Some(project) = &editor.project else {
1221 return false;
1222 };
1223 let Some(abs_path) = project.read(cx).absolute_path(
1224 &ProjectPath {
1225 path: file.path().clone(),
1226 worktree_id: file.worktree_id(cx),
1227 },
1228 cx,
1229 ) else {
1230 return false;
1231 };
1232 store
1233 .read(cx)
1234 .breakpoint_at_row(&abs_path, as_point.row, cx)
1235 .is_some()
1236 });
1237
1238 if !is_visible {
1239 editor.gutter_breakpoint_indicator.1.get_or_insert_with(|| {
1240 cx.spawn(async move |this, cx| {
1241 cx.background_executor()
1242 .timer(Duration::from_millis(200))
1243 .await;
1244
1245 this.update(cx, |this, cx| {
1246 if let Some(indicator) = this.gutter_breakpoint_indicator.0.as_mut()
1247 {
1248 indicator.is_active = true;
1249 cx.notify();
1250 }
1251 })
1252 .ok();
1253 })
1254 });
1255 }
1256
1257 Some(PhantomBreakpointIndicator {
1258 display_row: valid_point.row(),
1259 is_active: is_visible,
1260 collides_with_existing_breakpoint: has_existing_breakpoint,
1261 })
1262 } else {
1263 editor.gutter_breakpoint_indicator.1 = None;
1264 None
1265 }
1266 } else {
1267 editor.gutter_breakpoint_indicator.1 = None;
1268 None
1269 };
1270
1271 if &breakpoint_indicator != &editor.gutter_breakpoint_indicator.0 {
1272 editor.gutter_breakpoint_indicator.0 = breakpoint_indicator;
1273 cx.notify();
1274 }
1275
1276 // Don't trigger hover popover if mouse is hovering over context menu
1277 if text_hovered {
1278 editor.update_hovered_link(
1279 point_for_position,
1280 &position_map.snapshot,
1281 modifiers,
1282 window,
1283 cx,
1284 );
1285
1286 if let Some(point) = point_for_position.as_valid() {
1287 let anchor = position_map
1288 .snapshot
1289 .buffer_snapshot()
1290 .anchor_before(point.to_offset(&position_map.snapshot, Bias::Left));
1291 hover_at(editor, Some(anchor), window, cx);
1292 Self::update_visible_cursor(editor, point, position_map, window, cx);
1293 } else {
1294 hover_at(editor, None, window, cx);
1295 }
1296 } else {
1297 editor.hide_hovered_link(cx);
1298 hover_at(editor, None, window, cx);
1299 }
1300 }
1301
1302 fn update_visible_cursor(
1303 editor: &mut Editor,
1304 point: DisplayPoint,
1305 position_map: &PositionMap,
1306 window: &mut Window,
1307 cx: &mut Context<Editor>,
1308 ) {
1309 let snapshot = &position_map.snapshot;
1310 let Some(hub) = editor.collaboration_hub() else {
1311 return;
1312 };
1313 let start = snapshot.display_snapshot.clip_point(
1314 DisplayPoint::new(point.row(), point.column().saturating_sub(1)),
1315 Bias::Left,
1316 );
1317 let end = snapshot.display_snapshot.clip_point(
1318 DisplayPoint::new(
1319 point.row(),
1320 (point.column() + 1).min(snapshot.line_len(point.row())),
1321 ),
1322 Bias::Right,
1323 );
1324
1325 let range = snapshot
1326 .buffer_snapshot()
1327 .anchor_before(start.to_point(&snapshot.display_snapshot))
1328 ..snapshot
1329 .buffer_snapshot()
1330 .anchor_after(end.to_point(&snapshot.display_snapshot));
1331
1332 let Some(selection) = snapshot.remote_selections_in_range(&range, hub, cx).next() else {
1333 return;
1334 };
1335 let key = crate::HoveredCursor {
1336 replica_id: selection.replica_id,
1337 selection_id: selection.selection.id,
1338 };
1339 editor.hovered_cursors.insert(
1340 key.clone(),
1341 cx.spawn_in(window, async move |editor, cx| {
1342 cx.background_executor().timer(CURSORS_VISIBLE_FOR).await;
1343 editor
1344 .update(cx, |editor, cx| {
1345 editor.hovered_cursors.remove(&key);
1346 cx.notify();
1347 })
1348 .ok();
1349 }),
1350 );
1351 cx.notify()
1352 }
1353
1354 fn layout_selections(
1355 &self,
1356 start_anchor: Anchor,
1357 end_anchor: Anchor,
1358 local_selections: &[Selection<Point>],
1359 snapshot: &EditorSnapshot,
1360 start_row: DisplayRow,
1361 end_row: DisplayRow,
1362 window: &mut Window,
1363 cx: &mut App,
1364 ) -> (
1365 Vec<(PlayerColor, Vec<SelectionLayout>)>,
1366 BTreeMap<DisplayRow, LineHighlightSpec>,
1367 Option<DisplayPoint>,
1368 ) {
1369 let mut selections: Vec<(PlayerColor, Vec<SelectionLayout>)> = Vec::new();
1370 let mut active_rows = BTreeMap::new();
1371 let mut newest_selection_head = None;
1372
1373 let Some(editor_with_selections) = self.editor_with_selections(cx) else {
1374 return (selections, active_rows, newest_selection_head);
1375 };
1376
1377 editor_with_selections.update(cx, |editor, cx| {
1378 if editor.show_local_selections {
1379 let mut layouts = Vec::new();
1380 let newest = editor.selections.newest(cx);
1381 for selection in local_selections.iter().cloned() {
1382 let is_empty = selection.start == selection.end;
1383 let is_newest = selection == newest;
1384
1385 let layout = SelectionLayout::new(
1386 selection,
1387 editor.selections.line_mode(),
1388 editor.cursor_shape,
1389 &snapshot.display_snapshot,
1390 is_newest,
1391 editor.leader_id.is_none(),
1392 None,
1393 );
1394 if is_newest {
1395 newest_selection_head = Some(layout.head);
1396 }
1397
1398 for row in cmp::max(layout.active_rows.start.0, start_row.0)
1399 ..=cmp::min(layout.active_rows.end.0, end_row.0)
1400 {
1401 let contains_non_empty_selection = active_rows
1402 .entry(DisplayRow(row))
1403 .or_insert_with(LineHighlightSpec::default);
1404 contains_non_empty_selection.selection |= !is_empty;
1405 }
1406 layouts.push(layout);
1407 }
1408
1409 let player = editor.current_user_player_color(cx);
1410 selections.push((player, layouts));
1411
1412 if let SelectionDragState::Dragging {
1413 ref selection,
1414 ref drop_cursor,
1415 ref hide_drop_cursor,
1416 } = editor.selection_drag_state
1417 && !hide_drop_cursor
1418 && (drop_cursor
1419 .start
1420 .cmp(&selection.start, &snapshot.buffer_snapshot())
1421 .eq(&Ordering::Less)
1422 || drop_cursor
1423 .end
1424 .cmp(&selection.end, &snapshot.buffer_snapshot())
1425 .eq(&Ordering::Greater))
1426 {
1427 let drag_cursor_layout = SelectionLayout::new(
1428 drop_cursor.clone(),
1429 false,
1430 CursorShape::Bar,
1431 &snapshot.display_snapshot,
1432 false,
1433 false,
1434 None,
1435 );
1436 let absent_color = cx.theme().players().absent();
1437 selections.push((absent_color, vec![drag_cursor_layout]));
1438 }
1439 }
1440
1441 if let Some(collaboration_hub) = &editor.collaboration_hub {
1442 // When following someone, render the local selections in their color.
1443 if let Some(leader_id) = editor.leader_id {
1444 match leader_id {
1445 CollaboratorId::PeerId(peer_id) => {
1446 if let Some(collaborator) =
1447 collaboration_hub.collaborators(cx).get(&peer_id)
1448 && let Some(participant_index) = collaboration_hub
1449 .user_participant_indices(cx)
1450 .get(&collaborator.user_id)
1451 && let Some((local_selection_style, _)) = selections.first_mut()
1452 {
1453 *local_selection_style = cx
1454 .theme()
1455 .players()
1456 .color_for_participant(participant_index.0);
1457 }
1458 }
1459 CollaboratorId::Agent => {
1460 if let Some((local_selection_style, _)) = selections.first_mut() {
1461 *local_selection_style = cx.theme().players().agent();
1462 }
1463 }
1464 }
1465 }
1466
1467 let mut remote_selections = HashMap::default();
1468 for selection in snapshot.remote_selections_in_range(
1469 &(start_anchor..end_anchor),
1470 collaboration_hub.as_ref(),
1471 cx,
1472 ) {
1473 // Don't re-render the leader's selections, since the local selections
1474 // match theirs.
1475 if Some(selection.collaborator_id) == editor.leader_id {
1476 continue;
1477 }
1478 let key = HoveredCursor {
1479 replica_id: selection.replica_id,
1480 selection_id: selection.selection.id,
1481 };
1482
1483 let is_shown =
1484 editor.show_cursor_names || editor.hovered_cursors.contains_key(&key);
1485
1486 remote_selections
1487 .entry(selection.replica_id)
1488 .or_insert((selection.color, Vec::new()))
1489 .1
1490 .push(SelectionLayout::new(
1491 selection.selection,
1492 selection.line_mode,
1493 selection.cursor_shape,
1494 &snapshot.display_snapshot,
1495 false,
1496 false,
1497 if is_shown { selection.user_name } else { None },
1498 ));
1499 }
1500
1501 selections.extend(remote_selections.into_values());
1502 } else if !editor.is_focused(window) && editor.show_cursor_when_unfocused {
1503 let layouts = snapshot
1504 .buffer_snapshot()
1505 .selections_in_range(&(start_anchor..end_anchor), true)
1506 .map(move |(_, line_mode, cursor_shape, selection)| {
1507 SelectionLayout::new(
1508 selection,
1509 line_mode,
1510 cursor_shape,
1511 &snapshot.display_snapshot,
1512 false,
1513 false,
1514 None,
1515 )
1516 })
1517 .collect::<Vec<_>>();
1518 let player = editor.current_user_player_color(cx);
1519 selections.push((player, layouts));
1520 }
1521 });
1522
1523 #[cfg(debug_assertions)]
1524 Self::layout_debug_ranges(
1525 &mut selections,
1526 start_anchor..end_anchor,
1527 &snapshot.display_snapshot,
1528 cx,
1529 );
1530
1531 (selections, active_rows, newest_selection_head)
1532 }
1533
1534 fn collect_cursors(
1535 &self,
1536 snapshot: &EditorSnapshot,
1537 cx: &mut App,
1538 ) -> Vec<(DisplayPoint, Hsla)> {
1539 let editor = self.editor.read(cx);
1540 let mut cursors = Vec::new();
1541 let mut skip_local = false;
1542 let mut add_cursor = |anchor: Anchor, color| {
1543 cursors.push((anchor.to_display_point(&snapshot.display_snapshot), color));
1544 };
1545 // Remote cursors
1546 if let Some(collaboration_hub) = &editor.collaboration_hub {
1547 for remote_selection in snapshot.remote_selections_in_range(
1548 &(Anchor::min()..Anchor::max()),
1549 collaboration_hub.deref(),
1550 cx,
1551 ) {
1552 add_cursor(
1553 remote_selection.selection.head(),
1554 remote_selection.color.cursor,
1555 );
1556 if Some(remote_selection.collaborator_id) == editor.leader_id {
1557 skip_local = true;
1558 }
1559 }
1560 }
1561 // Local cursors
1562 if !skip_local {
1563 let color = cx.theme().players().local().cursor;
1564 editor
1565 .selections
1566 .disjoint_anchors()
1567 .iter()
1568 .for_each(|selection| {
1569 add_cursor(selection.head(), color);
1570 });
1571 if let Some(ref selection) = editor.selections.pending_anchor() {
1572 add_cursor(selection.head(), color);
1573 }
1574 }
1575 cursors
1576 }
1577
1578 fn layout_visible_cursors(
1579 &self,
1580 snapshot: &EditorSnapshot,
1581 selections: &[(PlayerColor, Vec<SelectionLayout>)],
1582 row_block_types: &HashMap<DisplayRow, bool>,
1583 visible_display_row_range: Range<DisplayRow>,
1584 line_layouts: &[LineWithInvisibles],
1585 text_hitbox: &Hitbox,
1586 content_origin: gpui::Point<Pixels>,
1587 scroll_position: gpui::Point<ScrollOffset>,
1588 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
1589 line_height: Pixels,
1590 em_width: Pixels,
1591 em_advance: Pixels,
1592 autoscroll_containing_element: bool,
1593 window: &mut Window,
1594 cx: &mut App,
1595 ) -> Vec<CursorLayout> {
1596 let mut autoscroll_bounds = None;
1597 let cursor_layouts = self.editor.update(cx, |editor, cx| {
1598 let mut cursors = Vec::new();
1599
1600 let show_local_cursors = editor.show_local_cursors(window, cx);
1601
1602 for (player_color, selections) in selections {
1603 for selection in selections {
1604 let cursor_position = selection.head;
1605
1606 let in_range = visible_display_row_range.contains(&cursor_position.row());
1607 if (selection.is_local && !show_local_cursors)
1608 || !in_range
1609 || row_block_types.get(&cursor_position.row()) == Some(&true)
1610 {
1611 continue;
1612 }
1613
1614 let cursor_row_layout = &line_layouts
1615 [cursor_position.row().minus(visible_display_row_range.start) as usize];
1616 let cursor_column = cursor_position.column() as usize;
1617
1618 let cursor_character_x = cursor_row_layout.x_for_index(cursor_column);
1619 let mut block_width =
1620 cursor_row_layout.x_for_index(cursor_column + 1) - cursor_character_x;
1621 if block_width == Pixels::ZERO {
1622 block_width = em_advance;
1623 }
1624 let block_text = if let CursorShape::Block = selection.cursor_shape {
1625 snapshot
1626 .grapheme_at(cursor_position)
1627 .or_else(|| {
1628 if snapshot.is_empty() {
1629 snapshot.placeholder_text().and_then(|s| {
1630 s.graphemes(true).next().map(|s| s.to_string().into())
1631 })
1632 } else {
1633 None
1634 }
1635 })
1636 .map(|text| {
1637 let len = text.len();
1638
1639 let mut font = cursor_row_layout
1640 .font_id_for_index(cursor_column)
1641 .and_then(|cursor_font_id| {
1642 window.text_system().get_font_for_id(cursor_font_id)
1643 })
1644 .unwrap_or(self.style.text.font());
1645 font.features = self.style.text.font_features.clone();
1646
1647 // Invert the text color for the block cursor. Ensure that the text
1648 // color is opaque enough to be visible against the background color.
1649 //
1650 // 0.75 is an arbitrary threshold to determine if the background color is
1651 // opaque enough to use as a text color.
1652 //
1653 // TODO: In the future we should ensure themes have a `text_inverse` color.
1654 let color = if cx.theme().colors().editor_background.a < 0.75 {
1655 match cx.theme().appearance {
1656 Appearance::Dark => Hsla::black(),
1657 Appearance::Light => Hsla::white(),
1658 }
1659 } else {
1660 cx.theme().colors().editor_background
1661 };
1662
1663 window.text_system().shape_line(
1664 text,
1665 cursor_row_layout.font_size,
1666 &[TextRun {
1667 len,
1668 font,
1669 color,
1670 background_color: None,
1671 strikethrough: None,
1672 underline: None,
1673 }],
1674 None,
1675 )
1676 })
1677 } else {
1678 None
1679 };
1680
1681 let x = cursor_character_x - scroll_pixel_position.x.into();
1682 let y = ((cursor_position.row().as_f64() - scroll_position.y)
1683 * ScrollPixelOffset::from(line_height))
1684 .into();
1685 if selection.is_newest {
1686 editor.pixel_position_of_newest_cursor = Some(point(
1687 text_hitbox.origin.x + x + block_width / 2.,
1688 text_hitbox.origin.y + y + line_height / 2.,
1689 ));
1690
1691 if autoscroll_containing_element {
1692 let top = text_hitbox.origin.y
1693 + ((cursor_position.row().as_f64() - scroll_position.y - 3.)
1694 .max(0.)
1695 * ScrollPixelOffset::from(line_height))
1696 .into();
1697 let left = text_hitbox.origin.x
1698 + ((cursor_position.column() as ScrollOffset
1699 - scroll_position.x
1700 - 3.)
1701 .max(0.)
1702 * ScrollPixelOffset::from(em_width))
1703 .into();
1704
1705 let bottom = text_hitbox.origin.y
1706 + ((cursor_position.row().as_f64() - scroll_position.y + 4.)
1707 * ScrollPixelOffset::from(line_height))
1708 .into();
1709 let right = text_hitbox.origin.x
1710 + ((cursor_position.column() as ScrollOffset - scroll_position.x
1711 + 4.)
1712 * ScrollPixelOffset::from(em_width))
1713 .into();
1714
1715 autoscroll_bounds =
1716 Some(Bounds::from_corners(point(left, top), point(right, bottom)))
1717 }
1718 }
1719
1720 let mut cursor = CursorLayout {
1721 color: player_color.cursor,
1722 block_width,
1723 origin: point(x, y),
1724 line_height,
1725 shape: selection.cursor_shape,
1726 block_text,
1727 cursor_name: None,
1728 };
1729 let cursor_name = selection.user_name.clone().map(|name| CursorName {
1730 string: name,
1731 color: self.style.background,
1732 is_top_row: cursor_position.row().0 == 0,
1733 });
1734 cursor.layout(content_origin, cursor_name, window, cx);
1735 cursors.push(cursor);
1736 }
1737 }
1738
1739 cursors
1740 });
1741
1742 if let Some(bounds) = autoscroll_bounds {
1743 window.request_autoscroll(bounds);
1744 }
1745
1746 cursor_layouts
1747 }
1748
1749 fn layout_scrollbars(
1750 &self,
1751 snapshot: &EditorSnapshot,
1752 scrollbar_layout_information: &ScrollbarLayoutInformation,
1753 content_offset: gpui::Point<Pixels>,
1754 scroll_position: gpui::Point<ScrollOffset>,
1755 non_visible_cursors: bool,
1756 right_margin: Pixels,
1757 editor_width: Pixels,
1758 window: &mut Window,
1759 cx: &mut App,
1760 ) -> Option<EditorScrollbars> {
1761 let show_scrollbars = self.editor.read(cx).show_scrollbars;
1762 if (!show_scrollbars.horizontal && !show_scrollbars.vertical)
1763 || self.style.scrollbar_width.is_zero()
1764 {
1765 return None;
1766 }
1767
1768 // If a drag took place after we started dragging the scrollbar,
1769 // cancel the scrollbar drag.
1770 if cx.has_active_drag() {
1771 self.editor.update(cx, |editor, cx| {
1772 editor.scroll_manager.reset_scrollbar_state(cx)
1773 });
1774 }
1775
1776 let editor_settings = EditorSettings::get_global(cx);
1777 let scrollbar_settings = editor_settings.scrollbar;
1778 let show_scrollbars = match scrollbar_settings.show {
1779 ShowScrollbar::Auto => {
1780 let editor = self.editor.read(cx);
1781 let is_singleton = editor.buffer_kind(cx) == ItemBufferKind::Singleton;
1782 // Git
1783 (is_singleton && scrollbar_settings.git_diff && snapshot.buffer_snapshot().has_diff_hunks())
1784 ||
1785 // Buffer Search Results
1786 (is_singleton && scrollbar_settings.search_results && editor.has_background_highlights::<BufferSearchHighlights>())
1787 ||
1788 // Selected Text Occurrences
1789 (is_singleton && scrollbar_settings.selected_text && editor.has_background_highlights::<SelectedTextHighlight>())
1790 ||
1791 // Selected Symbol Occurrences
1792 (is_singleton && scrollbar_settings.selected_symbol && (editor.has_background_highlights::<DocumentHighlightRead>() || editor.has_background_highlights::<DocumentHighlightWrite>()))
1793 ||
1794 // Diagnostics
1795 (is_singleton && scrollbar_settings.diagnostics != ScrollbarDiagnostics::None && snapshot.buffer_snapshot().has_diagnostics())
1796 ||
1797 // Cursors out of sight
1798 non_visible_cursors
1799 ||
1800 // Scrollmanager
1801 editor.scroll_manager.scrollbars_visible()
1802 }
1803 ShowScrollbar::System => self.editor.read(cx).scroll_manager.scrollbars_visible(),
1804 ShowScrollbar::Always => true,
1805 ShowScrollbar::Never => return None,
1806 };
1807
1808 // The horizontal scrollbar is usually slightly offset to align nicely with
1809 // indent guides. However, this offset is not needed if indent guides are
1810 // disabled for the current editor.
1811 let content_offset = self
1812 .editor
1813 .read(cx)
1814 .show_indent_guides
1815 .is_none_or(|should_show| should_show)
1816 .then_some(content_offset)
1817 .unwrap_or_default();
1818
1819 Some(EditorScrollbars::from_scrollbar_axes(
1820 ScrollbarAxes {
1821 horizontal: scrollbar_settings.axes.horizontal
1822 && self.editor.read(cx).show_scrollbars.horizontal,
1823 vertical: scrollbar_settings.axes.vertical
1824 && self.editor.read(cx).show_scrollbars.vertical,
1825 },
1826 scrollbar_layout_information,
1827 content_offset,
1828 scroll_position,
1829 self.style.scrollbar_width,
1830 right_margin,
1831 editor_width,
1832 show_scrollbars,
1833 self.editor.read(cx).scroll_manager.active_scrollbar_state(),
1834 window,
1835 ))
1836 }
1837
1838 fn layout_minimap(
1839 &self,
1840 snapshot: &EditorSnapshot,
1841 minimap_width: Pixels,
1842 scroll_position: gpui::Point<f64>,
1843 scrollbar_layout_information: &ScrollbarLayoutInformation,
1844 scrollbar_layout: Option<&EditorScrollbars>,
1845 window: &mut Window,
1846 cx: &mut App,
1847 ) -> Option<MinimapLayout> {
1848 let minimap_editor = self.editor.read(cx).minimap().cloned()?;
1849
1850 let minimap_settings = EditorSettings::get_global(cx).minimap;
1851
1852 if minimap_settings.on_active_editor() {
1853 let active_editor = self.editor.read(cx).workspace().and_then(|ws| {
1854 ws.read(cx)
1855 .active_pane()
1856 .read(cx)
1857 .active_item()
1858 .and_then(|i| i.act_as::<Editor>(cx))
1859 });
1860 if active_editor.is_some_and(|e| e != self.editor) {
1861 return None;
1862 }
1863 }
1864
1865 if !snapshot.mode.is_full()
1866 || minimap_width.is_zero()
1867 || matches!(
1868 minimap_settings.show,
1869 ShowMinimap::Auto if scrollbar_layout.is_none_or(|layout| !layout.visible)
1870 )
1871 {
1872 return None;
1873 }
1874
1875 const MINIMAP_AXIS: ScrollbarAxis = ScrollbarAxis::Vertical;
1876
1877 let ScrollbarLayoutInformation {
1878 editor_bounds,
1879 scroll_range,
1880 glyph_grid_cell,
1881 } = scrollbar_layout_information;
1882
1883 let line_height = glyph_grid_cell.height;
1884 let scroll_position = scroll_position.along(MINIMAP_AXIS);
1885
1886 let top_right_anchor = scrollbar_layout
1887 .and_then(|layout| layout.vertical.as_ref())
1888 .map(|vertical_scrollbar| vertical_scrollbar.hitbox.origin)
1889 .unwrap_or_else(|| editor_bounds.top_right());
1890
1891 let thumb_state = self
1892 .editor
1893 .read_with(cx, |editor, _| editor.scroll_manager.minimap_thumb_state());
1894
1895 let show_thumb = match minimap_settings.thumb {
1896 MinimapThumb::Always => true,
1897 MinimapThumb::Hover => thumb_state.is_some(),
1898 };
1899
1900 let minimap_bounds = Bounds::from_corner_and_size(
1901 Corner::TopRight,
1902 top_right_anchor,
1903 size(minimap_width, editor_bounds.size.height),
1904 );
1905 let minimap_line_height = self.get_minimap_line_height(
1906 minimap_editor
1907 .read(cx)
1908 .text_style_refinement
1909 .as_ref()
1910 .and_then(|refinement| refinement.font_size)
1911 .unwrap_or(MINIMAP_FONT_SIZE),
1912 window,
1913 cx,
1914 );
1915 let minimap_height = minimap_bounds.size.height;
1916
1917 let visible_editor_lines = (editor_bounds.size.height / line_height) as f64;
1918 let total_editor_lines = (scroll_range.height / line_height) as f64;
1919 let minimap_lines = (minimap_height / minimap_line_height) as f64;
1920
1921 let minimap_scroll_top = MinimapLayout::calculate_minimap_top_offset(
1922 total_editor_lines,
1923 visible_editor_lines,
1924 minimap_lines,
1925 scroll_position,
1926 );
1927
1928 let layout = ScrollbarLayout::for_minimap(
1929 window.insert_hitbox(minimap_bounds, HitboxBehavior::Normal),
1930 visible_editor_lines,
1931 total_editor_lines,
1932 minimap_line_height,
1933 scroll_position,
1934 minimap_scroll_top,
1935 show_thumb,
1936 )
1937 .with_thumb_state(thumb_state);
1938
1939 minimap_editor.update(cx, |editor, cx| {
1940 editor.set_scroll_position(point(0., minimap_scroll_top), window, cx)
1941 });
1942
1943 // Required for the drop shadow to be visible
1944 const PADDING_OFFSET: Pixels = px(4.);
1945
1946 let mut minimap = div()
1947 .size_full()
1948 .shadow_xs()
1949 .px(PADDING_OFFSET)
1950 .child(minimap_editor)
1951 .into_any_element();
1952
1953 let extended_bounds = minimap_bounds.extend(Edges {
1954 right: PADDING_OFFSET,
1955 left: PADDING_OFFSET,
1956 ..Default::default()
1957 });
1958 minimap.layout_as_root(extended_bounds.size.into(), window, cx);
1959 window.with_absolute_element_offset(extended_bounds.origin, |window| {
1960 minimap.prepaint(window, cx)
1961 });
1962
1963 Some(MinimapLayout {
1964 minimap,
1965 thumb_layout: layout,
1966 thumb_border_style: minimap_settings.thumb_border,
1967 minimap_line_height,
1968 minimap_scroll_top,
1969 max_scroll_top: total_editor_lines,
1970 })
1971 }
1972
1973 fn get_minimap_line_height(
1974 &self,
1975 font_size: AbsoluteLength,
1976 window: &mut Window,
1977 cx: &mut App,
1978 ) -> Pixels {
1979 let rem_size = self.rem_size(cx).unwrap_or(window.rem_size());
1980 let mut text_style = self.style.text.clone();
1981 text_style.font_size = font_size;
1982 text_style.line_height_in_pixels(rem_size)
1983 }
1984
1985 fn get_minimap_width(
1986 &self,
1987 minimap_settings: &Minimap,
1988 scrollbars_shown: bool,
1989 text_width: Pixels,
1990 em_width: Pixels,
1991 font_size: Pixels,
1992 rem_size: Pixels,
1993 cx: &App,
1994 ) -> Option<Pixels> {
1995 if minimap_settings.show == ShowMinimap::Auto && !scrollbars_shown {
1996 return None;
1997 }
1998
1999 let minimap_font_size = self.editor.read_with(cx, |editor, cx| {
2000 editor.minimap().map(|minimap_editor| {
2001 minimap_editor
2002 .read(cx)
2003 .text_style_refinement
2004 .as_ref()
2005 .and_then(|refinement| refinement.font_size)
2006 .unwrap_or(MINIMAP_FONT_SIZE)
2007 })
2008 })?;
2009
2010 let minimap_em_width = em_width * (minimap_font_size.to_pixels(rem_size) / font_size);
2011
2012 let minimap_width = (text_width * MinimapLayout::MINIMAP_WIDTH_PCT)
2013 .min(minimap_em_width * minimap_settings.max_width_columns.get() as f32);
2014
2015 (minimap_width >= minimap_em_width * MinimapLayout::MINIMAP_MIN_WIDTH_COLUMNS)
2016 .then_some(minimap_width)
2017 }
2018
2019 fn prepaint_crease_toggles(
2020 &self,
2021 crease_toggles: &mut [Option<AnyElement>],
2022 line_height: Pixels,
2023 gutter_dimensions: &GutterDimensions,
2024 gutter_settings: crate::editor_settings::Gutter,
2025 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2026 gutter_hitbox: &Hitbox,
2027 window: &mut Window,
2028 cx: &mut App,
2029 ) {
2030 for (ix, crease_toggle) in crease_toggles.iter_mut().enumerate() {
2031 if let Some(crease_toggle) = crease_toggle {
2032 debug_assert!(gutter_settings.folds);
2033 let available_space = size(
2034 AvailableSpace::MinContent,
2035 AvailableSpace::Definite(line_height * 0.55),
2036 );
2037 let crease_toggle_size = crease_toggle.layout_as_root(available_space, window, cx);
2038
2039 let position = point(
2040 gutter_dimensions.width - gutter_dimensions.right_padding,
2041 ix as f32 * line_height
2042 - (scroll_pixel_position.y % ScrollPixelOffset::from(line_height)).into(),
2043 );
2044 let centering_offset = point(
2045 (gutter_dimensions.fold_area_width() - crease_toggle_size.width) / 2.,
2046 (line_height - crease_toggle_size.height) / 2.,
2047 );
2048 let origin = gutter_hitbox.origin + position + centering_offset;
2049 crease_toggle.prepaint_as_root(origin, available_space, window, cx);
2050 }
2051 }
2052 }
2053
2054 fn prepaint_expand_toggles(
2055 &self,
2056 expand_toggles: &mut [Option<(AnyElement, gpui::Point<Pixels>)>],
2057 window: &mut Window,
2058 cx: &mut App,
2059 ) {
2060 for (expand_toggle, origin) in expand_toggles.iter_mut().flatten() {
2061 let available_space = size(AvailableSpace::MinContent, AvailableSpace::MinContent);
2062 expand_toggle.layout_as_root(available_space, window, cx);
2063 expand_toggle.prepaint_as_root(*origin, available_space, window, cx);
2064 }
2065 }
2066
2067 fn prepaint_crease_trailers(
2068 &self,
2069 trailers: Vec<Option<AnyElement>>,
2070 lines: &[LineWithInvisibles],
2071 line_height: Pixels,
2072 content_origin: gpui::Point<Pixels>,
2073 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2074 em_width: Pixels,
2075 window: &mut Window,
2076 cx: &mut App,
2077 ) -> Vec<Option<CreaseTrailerLayout>> {
2078 trailers
2079 .into_iter()
2080 .enumerate()
2081 .map(|(ix, element)| {
2082 let mut element = element?;
2083 let available_space = size(
2084 AvailableSpace::MinContent,
2085 AvailableSpace::Definite(line_height),
2086 );
2087 let size = element.layout_as_root(available_space, window, cx);
2088
2089 let line = &lines[ix];
2090 let padding = if line.width == Pixels::ZERO {
2091 Pixels::ZERO
2092 } else {
2093 4. * em_width
2094 };
2095 let position = point(
2096 Pixels::from(scroll_pixel_position.x) + line.width + padding,
2097 ix as f32 * line_height
2098 - (scroll_pixel_position.y % ScrollPixelOffset::from(line_height)).into(),
2099 );
2100 let centering_offset = point(px(0.), (line_height - size.height) / 2.);
2101 let origin = content_origin + position + centering_offset;
2102 element.prepaint_as_root(origin, available_space, window, cx);
2103 Some(CreaseTrailerLayout {
2104 element,
2105 bounds: Bounds::new(origin, size),
2106 })
2107 })
2108 .collect()
2109 }
2110
2111 // Folds contained in a hunk are ignored apart from shrinking visual size
2112 // If a fold contains any hunks then that fold line is marked as modified
2113 fn layout_gutter_diff_hunks(
2114 &self,
2115 line_height: Pixels,
2116 gutter_hitbox: &Hitbox,
2117 display_rows: Range<DisplayRow>,
2118 snapshot: &EditorSnapshot,
2119 window: &mut Window,
2120 cx: &mut App,
2121 ) -> Vec<(DisplayDiffHunk, Option<Hitbox>)> {
2122 let folded_buffers = self.editor.read(cx).folded_buffers(cx);
2123 let mut display_hunks = snapshot
2124 .display_diff_hunks_for_rows(display_rows, folded_buffers)
2125 .map(|hunk| (hunk, None))
2126 .collect::<Vec<_>>();
2127 let git_gutter_setting = ProjectSettings::get_global(cx).git.git_gutter;
2128 if let GitGutterSetting::TrackedFiles = git_gutter_setting {
2129 for (hunk, hitbox) in &mut display_hunks {
2130 if matches!(hunk, DisplayDiffHunk::Unfolded { .. }) {
2131 let hunk_bounds =
2132 Self::diff_hunk_bounds(snapshot, line_height, gutter_hitbox.bounds, hunk);
2133 *hitbox = Some(window.insert_hitbox(hunk_bounds, HitboxBehavior::BlockMouse));
2134 }
2135 }
2136 }
2137
2138 display_hunks
2139 }
2140
2141 fn layout_inline_diagnostics(
2142 &self,
2143 line_layouts: &[LineWithInvisibles],
2144 crease_trailers: &[Option<CreaseTrailerLayout>],
2145 row_block_types: &HashMap<DisplayRow, bool>,
2146 content_origin: gpui::Point<Pixels>,
2147 scroll_position: gpui::Point<ScrollOffset>,
2148 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2149 edit_prediction_popover_origin: Option<gpui::Point<Pixels>>,
2150 start_row: DisplayRow,
2151 end_row: DisplayRow,
2152 line_height: Pixels,
2153 em_width: Pixels,
2154 style: &EditorStyle,
2155 window: &mut Window,
2156 cx: &mut App,
2157 ) -> HashMap<DisplayRow, AnyElement> {
2158 let max_severity = match self
2159 .editor
2160 .read(cx)
2161 .inline_diagnostics_enabled()
2162 .then(|| {
2163 ProjectSettings::get_global(cx)
2164 .diagnostics
2165 .inline
2166 .max_severity
2167 .unwrap_or_else(|| self.editor.read(cx).diagnostics_max_severity)
2168 .into_lsp()
2169 })
2170 .flatten()
2171 {
2172 Some(max_severity) => max_severity,
2173 None => return HashMap::default(),
2174 };
2175
2176 let active_diagnostics_group =
2177 if let ActiveDiagnostic::Group(group) = &self.editor.read(cx).active_diagnostics {
2178 Some(group.group_id)
2179 } else {
2180 None
2181 };
2182
2183 let diagnostics_by_rows = self.editor.update(cx, |editor, cx| {
2184 let snapshot = editor.snapshot(window, cx);
2185 editor
2186 .inline_diagnostics
2187 .iter()
2188 .filter(|(_, diagnostic)| diagnostic.severity <= max_severity)
2189 .filter(|(_, diagnostic)| match active_diagnostics_group {
2190 Some(active_diagnostics_group) => {
2191 // Active diagnostics are all shown in the editor already, no need to display them inline
2192 diagnostic.group_id != active_diagnostics_group
2193 }
2194 None => true,
2195 })
2196 .map(|(point, diag)| (point.to_display_point(&snapshot), diag.clone()))
2197 .skip_while(|(point, _)| point.row() < start_row)
2198 .take_while(|(point, _)| point.row() < end_row)
2199 .filter(|(point, _)| !row_block_types.contains_key(&point.row()))
2200 .fold(HashMap::default(), |mut acc, (point, diagnostic)| {
2201 acc.entry(point.row())
2202 .or_insert_with(Vec::new)
2203 .push(diagnostic);
2204 acc
2205 })
2206 });
2207
2208 if diagnostics_by_rows.is_empty() {
2209 return HashMap::default();
2210 }
2211
2212 let severity_to_color = |sev: &lsp::DiagnosticSeverity| match sev {
2213 &lsp::DiagnosticSeverity::ERROR => Color::Error,
2214 &lsp::DiagnosticSeverity::WARNING => Color::Warning,
2215 &lsp::DiagnosticSeverity::INFORMATION => Color::Info,
2216 &lsp::DiagnosticSeverity::HINT => Color::Hint,
2217 _ => Color::Error,
2218 };
2219
2220 let padding = ProjectSettings::get_global(cx).diagnostics.inline.padding as f32 * em_width;
2221 let min_x = self.column_pixels(
2222 ProjectSettings::get_global(cx)
2223 .diagnostics
2224 .inline
2225 .min_column as usize,
2226 window,
2227 );
2228
2229 let mut elements = HashMap::default();
2230 for (row, mut diagnostics) in diagnostics_by_rows {
2231 diagnostics.sort_by_key(|diagnostic| {
2232 (
2233 diagnostic.severity,
2234 std::cmp::Reverse(diagnostic.is_primary),
2235 diagnostic.start.row,
2236 diagnostic.start.column,
2237 )
2238 });
2239
2240 let Some(diagnostic_to_render) = diagnostics
2241 .iter()
2242 .find(|diagnostic| diagnostic.is_primary)
2243 .or_else(|| diagnostics.first())
2244 else {
2245 continue;
2246 };
2247
2248 let pos_y = content_origin.y + line_height * (row.0 as f64 - scroll_position.y) as f32;
2249
2250 let window_ix = row.0.saturating_sub(start_row.0) as usize;
2251 let pos_x = {
2252 let crease_trailer_layout = &crease_trailers[window_ix];
2253 let line_layout = &line_layouts[window_ix];
2254
2255 let line_end = if let Some(crease_trailer) = crease_trailer_layout {
2256 crease_trailer.bounds.right()
2257 } else {
2258 Pixels::from(
2259 ScrollPixelOffset::from(content_origin.x + line_layout.width)
2260 - scroll_pixel_position.x,
2261 )
2262 };
2263
2264 let padded_line = line_end + padding;
2265 let min_start = Pixels::from(
2266 ScrollPixelOffset::from(content_origin.x + min_x) - scroll_pixel_position.x,
2267 );
2268
2269 cmp::max(padded_line, min_start)
2270 };
2271
2272 let behind_edit_prediction_popover = edit_prediction_popover_origin
2273 .as_ref()
2274 .is_some_and(|edit_prediction_popover_origin| {
2275 (pos_y..pos_y + line_height).contains(&edit_prediction_popover_origin.y)
2276 });
2277 let opacity = if behind_edit_prediction_popover {
2278 0.5
2279 } else {
2280 1.0
2281 };
2282
2283 let mut element = h_flex()
2284 .id(("diagnostic", row.0))
2285 .h(line_height)
2286 .w_full()
2287 .px_1()
2288 .rounded_xs()
2289 .opacity(opacity)
2290 .bg(severity_to_color(&diagnostic_to_render.severity)
2291 .color(cx)
2292 .opacity(0.05))
2293 .text_color(severity_to_color(&diagnostic_to_render.severity).color(cx))
2294 .text_sm()
2295 .font_family(style.text.font().family)
2296 .child(diagnostic_to_render.message.clone())
2297 .into_any();
2298
2299 element.prepaint_as_root(point(pos_x, pos_y), AvailableSpace::min_size(), window, cx);
2300
2301 elements.insert(row, element);
2302 }
2303
2304 elements
2305 }
2306
2307 fn layout_inline_code_actions(
2308 &self,
2309 display_point: DisplayPoint,
2310 content_origin: gpui::Point<Pixels>,
2311 scroll_position: gpui::Point<ScrollOffset>,
2312 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2313 line_height: Pixels,
2314 snapshot: &EditorSnapshot,
2315 window: &mut Window,
2316 cx: &mut App,
2317 ) -> Option<AnyElement> {
2318 if !snapshot
2319 .show_code_actions
2320 .unwrap_or(EditorSettings::get_global(cx).inline_code_actions)
2321 {
2322 return None;
2323 }
2324
2325 let icon_size = ui::IconSize::XSmall;
2326 let mut button = self.editor.update(cx, |editor, cx| {
2327 editor.available_code_actions.as_ref()?;
2328 let active = editor
2329 .context_menu
2330 .borrow()
2331 .as_ref()
2332 .and_then(|menu| {
2333 if let crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2334 deployed_from,
2335 ..
2336 }) = menu
2337 {
2338 deployed_from.as_ref()
2339 } else {
2340 None
2341 }
2342 })
2343 .is_some_and(|source| matches!(source, CodeActionSource::Indicator(..)));
2344 Some(editor.render_inline_code_actions(icon_size, display_point.row(), active, cx))
2345 })?;
2346
2347 let buffer_point = display_point.to_point(&snapshot.display_snapshot);
2348
2349 // do not show code action for folded line
2350 if snapshot.is_line_folded(MultiBufferRow(buffer_point.row)) {
2351 return None;
2352 }
2353
2354 // do not show code action for blank line with cursor
2355 let line_indent = snapshot
2356 .display_snapshot
2357 .buffer_snapshot()
2358 .line_indent_for_row(MultiBufferRow(buffer_point.row));
2359 if line_indent.is_line_blank() {
2360 return None;
2361 }
2362
2363 const INLINE_SLOT_CHAR_LIMIT: u32 = 4;
2364 const MAX_ALTERNATE_DISTANCE: u32 = 8;
2365
2366 let excerpt_id = snapshot
2367 .display_snapshot
2368 .buffer_snapshot()
2369 .excerpt_containing(buffer_point..buffer_point)
2370 .map(|excerpt| excerpt.id());
2371
2372 let is_valid_row = |row_candidate: u32| -> bool {
2373 // move to other row if folded row
2374 if snapshot.is_line_folded(MultiBufferRow(row_candidate)) {
2375 return false;
2376 }
2377 if buffer_point.row == row_candidate {
2378 // move to other row if cursor is in slot
2379 if buffer_point.column < INLINE_SLOT_CHAR_LIMIT {
2380 return false;
2381 }
2382 } else {
2383 let candidate_point = MultiBufferPoint {
2384 row: row_candidate,
2385 column: 0,
2386 };
2387 let candidate_excerpt_id = snapshot
2388 .display_snapshot
2389 .buffer_snapshot()
2390 .excerpt_containing(candidate_point..candidate_point)
2391 .map(|excerpt| excerpt.id());
2392 // move to other row if different excerpt
2393 if excerpt_id != candidate_excerpt_id {
2394 return false;
2395 }
2396 }
2397 let line_indent = snapshot
2398 .display_snapshot
2399 .buffer_snapshot()
2400 .line_indent_for_row(MultiBufferRow(row_candidate));
2401 // use this row if it's blank
2402 if line_indent.is_line_blank() {
2403 true
2404 } else {
2405 // use this row if code starts after slot
2406 let indent_size = snapshot
2407 .display_snapshot
2408 .buffer_snapshot()
2409 .indent_size_for_line(MultiBufferRow(row_candidate));
2410 indent_size.len >= INLINE_SLOT_CHAR_LIMIT
2411 }
2412 };
2413
2414 let new_buffer_row = if is_valid_row(buffer_point.row) {
2415 Some(buffer_point.row)
2416 } else {
2417 let max_row = snapshot.display_snapshot.buffer_snapshot().max_point().row;
2418 (1..=MAX_ALTERNATE_DISTANCE).find_map(|offset| {
2419 let row_above = buffer_point.row.saturating_sub(offset);
2420 let row_below = buffer_point.row + offset;
2421 if row_above != buffer_point.row && is_valid_row(row_above) {
2422 Some(row_above)
2423 } else if row_below <= max_row && is_valid_row(row_below) {
2424 Some(row_below)
2425 } else {
2426 None
2427 }
2428 })
2429 }?;
2430
2431 let new_display_row = snapshot
2432 .display_snapshot
2433 .point_to_display_point(
2434 Point {
2435 row: new_buffer_row,
2436 column: buffer_point.column,
2437 },
2438 text::Bias::Left,
2439 )
2440 .row();
2441
2442 let start_y = content_origin.y
2443 + (((new_display_row.as_f64() - scroll_position.y) as f32) * line_height)
2444 + (line_height / 2.0)
2445 - (icon_size.square(window, cx) / 2.);
2446 let start_x = (ScrollPixelOffset::from(content_origin.x) - scroll_pixel_position.x
2447 + ScrollPixelOffset::from(window.rem_size() * 0.1))
2448 .into();
2449
2450 let absolute_offset = gpui::point(start_x, start_y);
2451 button.layout_as_root(gpui::AvailableSpace::min_size(), window, cx);
2452 button.prepaint_as_root(
2453 absolute_offset,
2454 gpui::AvailableSpace::min_size(),
2455 window,
2456 cx,
2457 );
2458 Some(button)
2459 }
2460
2461 fn layout_inline_blame(
2462 &self,
2463 display_row: DisplayRow,
2464 row_info: &RowInfo,
2465 line_layout: &LineWithInvisibles,
2466 crease_trailer: Option<&CreaseTrailerLayout>,
2467 em_width: Pixels,
2468 content_origin: gpui::Point<Pixels>,
2469 scroll_position: gpui::Point<ScrollOffset>,
2470 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2471 line_height: Pixels,
2472 text_hitbox: &Hitbox,
2473 window: &mut Window,
2474 cx: &mut App,
2475 ) -> Option<InlineBlameLayout> {
2476 if !self
2477 .editor
2478 .update(cx, |editor, cx| editor.render_git_blame_inline(window, cx))
2479 {
2480 return None;
2481 }
2482
2483 let editor = self.editor.read(cx);
2484 let blame = editor.blame.clone()?;
2485 let padding = {
2486 const INLINE_ACCEPT_SUGGESTION_EM_WIDTHS: f32 = 14.;
2487
2488 let mut padding = ProjectSettings::get_global(cx).git.inline_blame.padding as f32;
2489
2490 if let Some(edit_prediction) = editor.active_edit_prediction.as_ref()
2491 && let EditPrediction::Edit {
2492 display_mode: EditDisplayMode::TabAccept,
2493 ..
2494 } = &edit_prediction.completion
2495 {
2496 padding += INLINE_ACCEPT_SUGGESTION_EM_WIDTHS
2497 }
2498
2499 padding * em_width
2500 };
2501
2502 let (buffer_id, entry) = blame
2503 .update(cx, |blame, cx| {
2504 blame.blame_for_rows(&[*row_info], cx).next()
2505 })
2506 .flatten()?;
2507
2508 let mut element = render_inline_blame_entry(entry.clone(), &self.style, cx)?;
2509
2510 let start_y =
2511 content_origin.y + line_height * ((display_row.as_f64() - scroll_position.y) as f32);
2512
2513 let start_x = {
2514 let line_end = if let Some(crease_trailer) = crease_trailer {
2515 crease_trailer.bounds.right()
2516 } else {
2517 Pixels::from(
2518 ScrollPixelOffset::from(content_origin.x + line_layout.width)
2519 - scroll_pixel_position.x,
2520 )
2521 };
2522
2523 let padded_line_end = line_end + padding;
2524
2525 let min_column_in_pixels = self.column_pixels(
2526 ProjectSettings::get_global(cx).git.inline_blame.min_column as usize,
2527 window,
2528 );
2529 let min_start = Pixels::from(
2530 ScrollPixelOffset::from(content_origin.x + min_column_in_pixels)
2531 - scroll_pixel_position.x,
2532 );
2533
2534 cmp::max(padded_line_end, min_start)
2535 };
2536
2537 let absolute_offset = point(start_x, start_y);
2538 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2539 let bounds = Bounds::new(absolute_offset, size);
2540
2541 self.layout_blame_entry_popover(
2542 entry.clone(),
2543 blame,
2544 line_height,
2545 text_hitbox,
2546 row_info.buffer_id?,
2547 window,
2548 cx,
2549 );
2550
2551 element.prepaint_as_root(absolute_offset, AvailableSpace::min_size(), window, cx);
2552
2553 Some(InlineBlameLayout {
2554 element,
2555 bounds,
2556 buffer_id,
2557 entry,
2558 })
2559 }
2560
2561 fn layout_blame_entry_popover(
2562 &self,
2563 blame_entry: BlameEntry,
2564 blame: Entity<GitBlame>,
2565 line_height: Pixels,
2566 text_hitbox: &Hitbox,
2567 buffer: BufferId,
2568 window: &mut Window,
2569 cx: &mut App,
2570 ) {
2571 let Some((popover_state, target_point)) = self.editor.read_with(cx, |editor, _| {
2572 editor
2573 .inline_blame_popover
2574 .as_ref()
2575 .map(|state| (state.popover_state.clone(), state.position))
2576 }) else {
2577 return;
2578 };
2579
2580 let workspace = self
2581 .editor
2582 .read_with(cx, |editor, _| editor.workspace().map(|w| w.downgrade()));
2583
2584 let maybe_element = workspace.and_then(|workspace| {
2585 render_blame_entry_popover(
2586 blame_entry,
2587 popover_state.scroll_handle,
2588 popover_state.commit_message,
2589 popover_state.markdown,
2590 workspace,
2591 &blame,
2592 buffer,
2593 window,
2594 cx,
2595 )
2596 });
2597
2598 if let Some(mut element) = maybe_element {
2599 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2600 let overall_height = size.height + HOVER_POPOVER_GAP;
2601 let popover_origin = if target_point.y > overall_height {
2602 point(target_point.x, target_point.y - size.height)
2603 } else {
2604 point(
2605 target_point.x,
2606 target_point.y + line_height + HOVER_POPOVER_GAP,
2607 )
2608 };
2609
2610 let horizontal_offset = (text_hitbox.top_right().x
2611 - POPOVER_RIGHT_OFFSET
2612 - (popover_origin.x + size.width))
2613 .min(Pixels::ZERO);
2614
2615 let origin = point(popover_origin.x + horizontal_offset, popover_origin.y);
2616 let popover_bounds = Bounds::new(origin, size);
2617
2618 self.editor.update(cx, |editor, _| {
2619 if let Some(state) = &mut editor.inline_blame_popover {
2620 state.popover_bounds = Some(popover_bounds);
2621 }
2622 });
2623
2624 window.defer_draw(element, origin, 2);
2625 }
2626 }
2627
2628 fn layout_blame_entries(
2629 &self,
2630 buffer_rows: &[RowInfo],
2631 em_width: Pixels,
2632 scroll_position: gpui::Point<ScrollOffset>,
2633 line_height: Pixels,
2634 gutter_hitbox: &Hitbox,
2635 max_width: Option<Pixels>,
2636 window: &mut Window,
2637 cx: &mut App,
2638 ) -> Option<Vec<AnyElement>> {
2639 if !self
2640 .editor
2641 .update(cx, |editor, cx| editor.render_git_blame_gutter(cx))
2642 {
2643 return None;
2644 }
2645
2646 let blame = self.editor.read(cx).blame.clone()?;
2647 let workspace = self.editor.read(cx).workspace()?;
2648 let blamed_rows: Vec<_> = blame.update(cx, |blame, cx| {
2649 blame.blame_for_rows(buffer_rows, cx).collect()
2650 });
2651
2652 let width = if let Some(max_width) = max_width {
2653 AvailableSpace::Definite(max_width)
2654 } else {
2655 AvailableSpace::MaxContent
2656 };
2657 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
2658 let start_x = em_width;
2659
2660 let mut last_used_color: Option<(Hsla, Oid)> = None;
2661 let blame_renderer = cx.global::<GlobalBlameRenderer>().0.clone();
2662
2663 let shaped_lines = blamed_rows
2664 .into_iter()
2665 .enumerate()
2666 .flat_map(|(ix, blame_entry)| {
2667 let (buffer_id, blame_entry) = blame_entry?;
2668 let mut element = render_blame_entry(
2669 ix,
2670 &blame,
2671 blame_entry,
2672 &self.style,
2673 &mut last_used_color,
2674 self.editor.clone(),
2675 workspace.clone(),
2676 buffer_id,
2677 &*blame_renderer,
2678 window,
2679 cx,
2680 )?;
2681
2682 let start_y = ix as f32 * line_height
2683 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height));
2684 let absolute_offset = gutter_hitbox.origin + point(start_x, start_y);
2685
2686 element.prepaint_as_root(
2687 absolute_offset,
2688 size(width, AvailableSpace::MinContent),
2689 window,
2690 cx,
2691 );
2692
2693 Some(element)
2694 })
2695 .collect();
2696
2697 Some(shaped_lines)
2698 }
2699
2700 fn layout_indent_guides(
2701 &self,
2702 content_origin: gpui::Point<Pixels>,
2703 text_origin: gpui::Point<Pixels>,
2704 visible_buffer_range: Range<MultiBufferRow>,
2705 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2706 line_height: Pixels,
2707 snapshot: &DisplaySnapshot,
2708 window: &mut Window,
2709 cx: &mut App,
2710 ) -> Option<Vec<IndentGuideLayout>> {
2711 let indent_guides = self.editor.update(cx, |editor, cx| {
2712 editor.indent_guides(visible_buffer_range, snapshot, cx)
2713 })?;
2714
2715 let active_indent_guide_indices = self.editor.update(cx, |editor, cx| {
2716 editor
2717 .find_active_indent_guide_indices(&indent_guides, snapshot, window, cx)
2718 .unwrap_or_default()
2719 });
2720
2721 Some(
2722 indent_guides
2723 .into_iter()
2724 .enumerate()
2725 .filter_map(|(i, indent_guide)| {
2726 let single_indent_width =
2727 self.column_pixels(indent_guide.tab_size as usize, window);
2728 let total_width = single_indent_width * indent_guide.depth as f32;
2729 let start_x = Pixels::from(
2730 ScrollOffset::from(content_origin.x + total_width)
2731 - scroll_pixel_position.x,
2732 );
2733 if start_x >= text_origin.x {
2734 let (offset_y, length) = Self::calculate_indent_guide_bounds(
2735 indent_guide.start_row..indent_guide.end_row,
2736 line_height,
2737 snapshot,
2738 );
2739
2740 let start_y = Pixels::from(
2741 ScrollOffset::from(content_origin.y) + offset_y
2742 - scroll_pixel_position.y,
2743 );
2744
2745 Some(IndentGuideLayout {
2746 origin: point(start_x, start_y),
2747 length,
2748 single_indent_width,
2749 depth: indent_guide.depth,
2750 active: active_indent_guide_indices.contains(&i),
2751 settings: indent_guide.settings,
2752 })
2753 } else {
2754 None
2755 }
2756 })
2757 .collect(),
2758 )
2759 }
2760
2761 fn layout_wrap_guides(
2762 &self,
2763 em_advance: Pixels,
2764 scroll_position: gpui::Point<f64>,
2765 content_origin: gpui::Point<Pixels>,
2766 scrollbar_layout: Option<&EditorScrollbars>,
2767 vertical_scrollbar_width: Pixels,
2768 hitbox: &Hitbox,
2769 window: &Window,
2770 cx: &App,
2771 ) -> SmallVec<[(Pixels, bool); 2]> {
2772 let scroll_left = scroll_position.x as f32 * em_advance;
2773 let content_origin = content_origin.x;
2774 let horizontal_offset = content_origin - scroll_left;
2775 let vertical_scrollbar_width = scrollbar_layout
2776 .and_then(|layout| layout.visible.then_some(vertical_scrollbar_width))
2777 .unwrap_or_default();
2778
2779 self.editor
2780 .read(cx)
2781 .wrap_guides(cx)
2782 .into_iter()
2783 .flat_map(|(guide, active)| {
2784 let wrap_position = self.column_pixels(guide, window);
2785 let wrap_guide_x = wrap_position + horizontal_offset;
2786 let display_wrap_guide = wrap_guide_x >= content_origin
2787 && wrap_guide_x <= hitbox.bounds.right() - vertical_scrollbar_width;
2788
2789 display_wrap_guide.then_some((wrap_guide_x, active))
2790 })
2791 .collect()
2792 }
2793
2794 fn calculate_indent_guide_bounds(
2795 row_range: Range<MultiBufferRow>,
2796 line_height: Pixels,
2797 snapshot: &DisplaySnapshot,
2798 ) -> (f64, gpui::Pixels) {
2799 let start_point = Point::new(row_range.start.0, 0);
2800 let end_point = Point::new(row_range.end.0, 0);
2801
2802 let row_range = start_point.to_display_point(snapshot).row()
2803 ..end_point.to_display_point(snapshot).row();
2804
2805 let mut prev_line = start_point;
2806 prev_line.row = prev_line.row.saturating_sub(1);
2807 let prev_line = prev_line.to_display_point(snapshot).row();
2808
2809 let mut cons_line = end_point;
2810 cons_line.row += 1;
2811 let cons_line = cons_line.to_display_point(snapshot).row();
2812
2813 let mut offset_y = row_range.start.as_f64() * f64::from(line_height);
2814 let mut length = (cons_line.0.saturating_sub(row_range.start.0)) as f32 * line_height;
2815
2816 // If we are at the end of the buffer, ensure that the indent guide extends to the end of the line.
2817 if row_range.end == cons_line {
2818 length += line_height;
2819 }
2820
2821 // If there is a block (e.g. diagnostic) in between the start of the indent guide and the line above,
2822 // we want to extend the indent guide to the start of the block.
2823 let mut block_height = 0;
2824 let mut block_offset = 0;
2825 let mut found_excerpt_header = false;
2826 for (_, block) in snapshot.blocks_in_range(prev_line..row_range.start) {
2827 if matches!(
2828 block,
2829 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
2830 ) {
2831 found_excerpt_header = true;
2832 break;
2833 }
2834 block_offset += block.height();
2835 block_height += block.height();
2836 }
2837 if !found_excerpt_header {
2838 offset_y -= block_offset as f64 * f64::from(line_height);
2839 length += block_height as f32 * line_height;
2840 }
2841
2842 // If there is a block (e.g. diagnostic) at the end of an multibuffer excerpt,
2843 // we want to ensure that the indent guide stops before the excerpt header.
2844 let mut block_height = 0;
2845 let mut found_excerpt_header = false;
2846 for (_, block) in snapshot.blocks_in_range(row_range.end..cons_line) {
2847 if matches!(
2848 block,
2849 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
2850 ) {
2851 found_excerpt_header = true;
2852 }
2853 block_height += block.height();
2854 }
2855 if found_excerpt_header {
2856 length -= block_height as f32 * line_height;
2857 }
2858
2859 (offset_y, length)
2860 }
2861
2862 fn layout_breakpoints(
2863 &self,
2864 line_height: Pixels,
2865 range: Range<DisplayRow>,
2866 scroll_position: gpui::Point<ScrollOffset>,
2867 gutter_dimensions: &GutterDimensions,
2868 gutter_hitbox: &Hitbox,
2869 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2870 snapshot: &EditorSnapshot,
2871 breakpoints: HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2872 row_infos: &[RowInfo],
2873 window: &mut Window,
2874 cx: &mut App,
2875 ) -> Vec<AnyElement> {
2876 self.editor.update(cx, |editor, cx| {
2877 breakpoints
2878 .into_iter()
2879 .filter_map(|(display_row, (text_anchor, bp, state))| {
2880 if row_infos
2881 .get((display_row.0.saturating_sub(range.start.0)) as usize)
2882 .is_some_and(|row_info| {
2883 row_info.expand_info.is_some()
2884 || row_info
2885 .diff_status
2886 .is_some_and(|status| status.is_deleted())
2887 })
2888 {
2889 return None;
2890 }
2891
2892 if range.start > display_row || range.end < display_row {
2893 return None;
2894 }
2895
2896 let row =
2897 MultiBufferRow(DisplayPoint::new(display_row, 0).to_point(snapshot).row);
2898 if snapshot.is_line_folded(row) {
2899 return None;
2900 }
2901
2902 let button = editor.render_breakpoint(text_anchor, display_row, &bp, state, cx);
2903
2904 let button = prepaint_gutter_button(
2905 button,
2906 display_row,
2907 line_height,
2908 gutter_dimensions,
2909 scroll_position,
2910 gutter_hitbox,
2911 display_hunks,
2912 window,
2913 cx,
2914 );
2915 Some(button)
2916 })
2917 .collect_vec()
2918 })
2919 }
2920
2921 #[allow(clippy::too_many_arguments)]
2922 fn layout_run_indicators(
2923 &self,
2924 line_height: Pixels,
2925 range: Range<DisplayRow>,
2926 row_infos: &[RowInfo],
2927 scroll_position: gpui::Point<ScrollOffset>,
2928 gutter_dimensions: &GutterDimensions,
2929 gutter_hitbox: &Hitbox,
2930 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2931 snapshot: &EditorSnapshot,
2932 breakpoints: &mut HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2933 window: &mut Window,
2934 cx: &mut App,
2935 ) -> Vec<AnyElement> {
2936 self.editor.update(cx, |editor, cx| {
2937 let active_task_indicator_row =
2938 // TODO: add edit button on the right side of each row in the context menu
2939 if let Some(crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2940 deployed_from,
2941 actions,
2942 ..
2943 })) = editor.context_menu.borrow().as_ref()
2944 {
2945 actions
2946 .tasks()
2947 .map(|tasks| tasks.position.to_display_point(snapshot).row())
2948 .or_else(|| match deployed_from {
2949 Some(CodeActionSource::Indicator(row)) => Some(*row),
2950 _ => None,
2951 })
2952 } else {
2953 None
2954 };
2955
2956 let offset_range_start =
2957 snapshot.display_point_to_point(DisplayPoint::new(range.start, 0), Bias::Left);
2958
2959 let offset_range_end =
2960 snapshot.display_point_to_point(DisplayPoint::new(range.end, 0), Bias::Right);
2961
2962 editor
2963 .tasks
2964 .iter()
2965 .filter_map(|(_, tasks)| {
2966 let multibuffer_point = tasks.offset.to_point(&snapshot.buffer_snapshot());
2967 if multibuffer_point < offset_range_start
2968 || multibuffer_point > offset_range_end
2969 {
2970 return None;
2971 }
2972 let multibuffer_row = MultiBufferRow(multibuffer_point.row);
2973 let buffer_folded = snapshot
2974 .buffer_snapshot()
2975 .buffer_line_for_row(multibuffer_row)
2976 .map(|(buffer_snapshot, _)| buffer_snapshot.remote_id())
2977 .map(|buffer_id| editor.is_buffer_folded(buffer_id, cx))
2978 .unwrap_or(false);
2979 if buffer_folded {
2980 return None;
2981 }
2982
2983 if snapshot.is_line_folded(multibuffer_row) {
2984 // Skip folded indicators, unless it's the starting line of a fold.
2985 if multibuffer_row
2986 .0
2987 .checked_sub(1)
2988 .is_some_and(|previous_row| {
2989 snapshot.is_line_folded(MultiBufferRow(previous_row))
2990 })
2991 {
2992 return None;
2993 }
2994 }
2995
2996 let display_row = multibuffer_point.to_display_point(snapshot).row();
2997 if !range.contains(&display_row) {
2998 return None;
2999 }
3000 if row_infos
3001 .get((display_row - range.start).0 as usize)
3002 .is_some_and(|row_info| row_info.expand_info.is_some())
3003 {
3004 return None;
3005 }
3006
3007 let button = editor.render_run_indicator(
3008 &self.style,
3009 Some(display_row) == active_task_indicator_row,
3010 display_row,
3011 breakpoints.remove(&display_row),
3012 cx,
3013 );
3014
3015 let button = prepaint_gutter_button(
3016 button,
3017 display_row,
3018 line_height,
3019 gutter_dimensions,
3020 scroll_position,
3021 gutter_hitbox,
3022 display_hunks,
3023 window,
3024 cx,
3025 );
3026 Some(button)
3027 })
3028 .collect_vec()
3029 })
3030 }
3031
3032 fn layout_expand_toggles(
3033 &self,
3034 gutter_hitbox: &Hitbox,
3035 gutter_dimensions: GutterDimensions,
3036 em_width: Pixels,
3037 line_height: Pixels,
3038 scroll_position: gpui::Point<ScrollOffset>,
3039 buffer_rows: &[RowInfo],
3040 window: &mut Window,
3041 cx: &mut App,
3042 ) -> Vec<Option<(AnyElement, gpui::Point<Pixels>)>> {
3043 if self.editor.read(cx).disable_expand_excerpt_buttons {
3044 return vec![];
3045 }
3046
3047 let editor_font_size = self.style.text.font_size.to_pixels(window.rem_size()) * 1.2;
3048
3049 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
3050
3051 let max_line_number_length = self
3052 .editor
3053 .read(cx)
3054 .buffer()
3055 .read(cx)
3056 .snapshot(cx)
3057 .widest_line_number()
3058 .ilog10()
3059 + 1;
3060
3061 let git_gutter_width = Self::gutter_strip_width(line_height)
3062 + gutter_dimensions
3063 .git_blame_entries_width
3064 .unwrap_or_default();
3065 let available_width = gutter_dimensions.left_padding - git_gutter_width;
3066
3067 buffer_rows
3068 .iter()
3069 .enumerate()
3070 .map(|(ix, row_info)| {
3071 let ExpandInfo {
3072 excerpt_id,
3073 direction,
3074 } = row_info.expand_info?;
3075
3076 let icon_name = match direction {
3077 ExpandExcerptDirection::Up => IconName::ExpandUp,
3078 ExpandExcerptDirection::Down => IconName::ExpandDown,
3079 ExpandExcerptDirection::UpAndDown => IconName::ExpandVertical,
3080 };
3081
3082 let editor = self.editor.clone();
3083 let is_wide = max_line_number_length
3084 >= EditorSettings::get_global(cx).gutter.min_line_number_digits as u32
3085 && row_info
3086 .buffer_row
3087 .is_some_and(|row| (row + 1).ilog10() + 1 == max_line_number_length)
3088 || gutter_dimensions.right_padding == px(0.);
3089
3090 let width = if is_wide {
3091 available_width - px(2.)
3092 } else {
3093 available_width + em_width - px(2.)
3094 };
3095
3096 let toggle = IconButton::new(("expand", ix), icon_name)
3097 .icon_color(Color::Custom(cx.theme().colors().editor_line_number))
3098 .selected_icon_color(Color::Custom(cx.theme().colors().editor_foreground))
3099 .icon_size(IconSize::Custom(rems(editor_font_size / window.rem_size())))
3100 .width(width)
3101 .on_click(move |_, window, cx| {
3102 editor.update(cx, |editor, cx| {
3103 editor.expand_excerpt(excerpt_id, direction, window, cx);
3104 });
3105 })
3106 .tooltip(Tooltip::for_action_title(
3107 "Expand Excerpt",
3108 &crate::actions::ExpandExcerpts::default(),
3109 ))
3110 .into_any_element();
3111
3112 let position = point(
3113 git_gutter_width + px(1.),
3114 ix as f32 * line_height
3115 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height))
3116 + px(1.),
3117 );
3118 let origin = gutter_hitbox.origin + position;
3119
3120 Some((toggle, origin))
3121 })
3122 .collect()
3123 }
3124
3125 fn calculate_relative_line_numbers(
3126 &self,
3127 snapshot: &EditorSnapshot,
3128 rows: &Range<DisplayRow>,
3129 relative_to: Option<DisplayRow>,
3130 ) -> HashMap<DisplayRow, DisplayRowDelta> {
3131 let mut relative_rows: HashMap<DisplayRow, DisplayRowDelta> = Default::default();
3132 let Some(relative_to) = relative_to else {
3133 return relative_rows;
3134 };
3135
3136 let start = rows.start.min(relative_to);
3137 let end = rows.end.max(relative_to);
3138
3139 let buffer_rows = snapshot
3140 .row_infos(start)
3141 .take(1 + end.minus(start) as usize)
3142 .collect::<Vec<_>>();
3143
3144 let head_idx = relative_to.minus(start);
3145 let mut delta = 1;
3146 let mut i = head_idx + 1;
3147 while i < buffer_rows.len() as u32 {
3148 if buffer_rows[i as usize].buffer_row.is_some() {
3149 if rows.contains(&DisplayRow(i + start.0)) {
3150 relative_rows.insert(DisplayRow(i + start.0), delta);
3151 }
3152 delta += 1;
3153 }
3154 i += 1;
3155 }
3156 delta = 1;
3157 i = head_idx.min(buffer_rows.len() as u32 - 1);
3158 while i > 0 && buffer_rows[i as usize].buffer_row.is_none() {
3159 i -= 1;
3160 }
3161
3162 while i > 0 {
3163 i -= 1;
3164 if buffer_rows[i as usize].buffer_row.is_some() {
3165 if rows.contains(&DisplayRow(i + start.0)) {
3166 relative_rows.insert(DisplayRow(i + start.0), delta);
3167 }
3168 delta += 1;
3169 }
3170 }
3171
3172 relative_rows
3173 }
3174
3175 fn layout_line_numbers(
3176 &self,
3177 gutter_hitbox: Option<&Hitbox>,
3178 gutter_dimensions: GutterDimensions,
3179 line_height: Pixels,
3180 scroll_position: gpui::Point<ScrollOffset>,
3181 rows: Range<DisplayRow>,
3182 buffer_rows: &[RowInfo],
3183 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3184 newest_selection_head: Option<DisplayPoint>,
3185 snapshot: &EditorSnapshot,
3186 window: &mut Window,
3187 cx: &mut App,
3188 ) -> Arc<HashMap<MultiBufferRow, LineNumberLayout>> {
3189 let include_line_numbers = snapshot
3190 .show_line_numbers
3191 .unwrap_or_else(|| EditorSettings::get_global(cx).gutter.line_numbers);
3192 if !include_line_numbers {
3193 return Arc::default();
3194 }
3195
3196 let (newest_selection_head, is_relative) = self.editor.update(cx, |editor, cx| {
3197 let newest_selection_head = newest_selection_head.unwrap_or_else(|| {
3198 let newest = editor.selections.newest::<Point>(cx);
3199 SelectionLayout::new(
3200 newest,
3201 editor.selections.line_mode(),
3202 editor.cursor_shape,
3203 &snapshot.display_snapshot,
3204 true,
3205 true,
3206 None,
3207 )
3208 .head
3209 });
3210 let is_relative = editor.should_use_relative_line_numbers(cx);
3211 (newest_selection_head, is_relative)
3212 });
3213
3214 let relative_to = if is_relative {
3215 Some(newest_selection_head.row())
3216 } else {
3217 None
3218 };
3219 let relative_rows = self.calculate_relative_line_numbers(snapshot, &rows, relative_to);
3220 let mut line_number = String::new();
3221 let line_numbers = buffer_rows
3222 .iter()
3223 .enumerate()
3224 .flat_map(|(ix, row_info)| {
3225 let display_row = DisplayRow(rows.start.0 + ix as u32);
3226 line_number.clear();
3227 let non_relative_number = row_info.buffer_row? + 1;
3228 let number = relative_rows
3229 .get(&display_row)
3230 .unwrap_or(&non_relative_number);
3231 write!(&mut line_number, "{number}").unwrap();
3232 if row_info
3233 .diff_status
3234 .is_some_and(|status| status.is_deleted())
3235 {
3236 return None;
3237 }
3238
3239 let color = active_rows
3240 .get(&display_row)
3241 .map(|spec| {
3242 if spec.breakpoint {
3243 cx.theme().colors().debugger_accent
3244 } else {
3245 cx.theme().colors().editor_active_line_number
3246 }
3247 })
3248 .unwrap_or_else(|| cx.theme().colors().editor_line_number);
3249 let shaped_line =
3250 self.shape_line_number(SharedString::from(&line_number), color, window);
3251 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
3252 let line_origin = gutter_hitbox.map(|hitbox| {
3253 hitbox.origin
3254 + point(
3255 hitbox.size.width - shaped_line.width - gutter_dimensions.right_padding,
3256 ix as f32 * line_height
3257 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height)),
3258 )
3259 });
3260
3261 #[cfg(not(test))]
3262 let hitbox = line_origin.map(|line_origin| {
3263 window.insert_hitbox(
3264 Bounds::new(line_origin, size(shaped_line.width, line_height)),
3265 HitboxBehavior::Normal,
3266 )
3267 });
3268 #[cfg(test)]
3269 let hitbox = {
3270 let _ = line_origin;
3271 None
3272 };
3273
3274 let multi_buffer_row = DisplayPoint::new(display_row, 0).to_point(snapshot).row;
3275 let multi_buffer_row = MultiBufferRow(multi_buffer_row);
3276 let line_number = LineNumberLayout {
3277 shaped_line,
3278 hitbox,
3279 };
3280 Some((multi_buffer_row, line_number))
3281 })
3282 .collect();
3283 Arc::new(line_numbers)
3284 }
3285
3286 fn layout_crease_toggles(
3287 &self,
3288 rows: Range<DisplayRow>,
3289 row_infos: &[RowInfo],
3290 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3291 snapshot: &EditorSnapshot,
3292 window: &mut Window,
3293 cx: &mut App,
3294 ) -> Vec<Option<AnyElement>> {
3295 let include_fold_statuses = EditorSettings::get_global(cx).gutter.folds
3296 && snapshot.mode.is_full()
3297 && self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
3298 if include_fold_statuses {
3299 row_infos
3300 .iter()
3301 .enumerate()
3302 .map(|(ix, info)| {
3303 if info.expand_info.is_some() {
3304 return None;
3305 }
3306 let row = info.multibuffer_row?;
3307 let display_row = DisplayRow(rows.start.0 + ix as u32);
3308 let active = active_rows.contains_key(&display_row);
3309
3310 snapshot.render_crease_toggle(row, active, self.editor.clone(), window, cx)
3311 })
3312 .collect()
3313 } else {
3314 Vec::new()
3315 }
3316 }
3317
3318 fn layout_crease_trailers(
3319 &self,
3320 buffer_rows: impl IntoIterator<Item = RowInfo>,
3321 snapshot: &EditorSnapshot,
3322 window: &mut Window,
3323 cx: &mut App,
3324 ) -> Vec<Option<AnyElement>> {
3325 buffer_rows
3326 .into_iter()
3327 .map(|row_info| {
3328 if row_info.expand_info.is_some() {
3329 return None;
3330 }
3331 if let Some(row) = row_info.multibuffer_row {
3332 snapshot.render_crease_trailer(row, window, cx)
3333 } else {
3334 None
3335 }
3336 })
3337 .collect()
3338 }
3339
3340 fn bg_segments_per_row(
3341 rows: Range<DisplayRow>,
3342 selections: &[(PlayerColor, Vec<SelectionLayout>)],
3343 highlight_ranges: &[(Range<DisplayPoint>, Hsla)],
3344 base_background: Hsla,
3345 ) -> Vec<Vec<(Range<DisplayPoint>, Hsla)>> {
3346 if rows.start >= rows.end {
3347 return Vec::new();
3348 }
3349 if !base_background.is_opaque() {
3350 // We don't actually know what color is behind this editor.
3351 return Vec::new();
3352 }
3353 let highlight_iter = highlight_ranges.iter().cloned();
3354 let selection_iter = selections.iter().flat_map(|(player_color, layouts)| {
3355 let color = player_color.selection;
3356 layouts.iter().filter_map(move |selection_layout| {
3357 if selection_layout.range.start != selection_layout.range.end {
3358 Some((selection_layout.range.clone(), color))
3359 } else {
3360 None
3361 }
3362 })
3363 });
3364 let mut per_row_map = vec![Vec::new(); rows.len()];
3365 for (range, color) in highlight_iter.chain(selection_iter) {
3366 let covered_rows = if range.end.column() == 0 {
3367 cmp::max(range.start.row(), rows.start)..cmp::min(range.end.row(), rows.end)
3368 } else {
3369 cmp::max(range.start.row(), rows.start)
3370 ..cmp::min(range.end.row().next_row(), rows.end)
3371 };
3372 for row in covered_rows.iter_rows() {
3373 let seg_start = if row == range.start.row() {
3374 range.start
3375 } else {
3376 DisplayPoint::new(row, 0)
3377 };
3378 let seg_end = if row == range.end.row() && range.end.column() != 0 {
3379 range.end
3380 } else {
3381 DisplayPoint::new(row, u32::MAX)
3382 };
3383 let ix = row.minus(rows.start) as usize;
3384 debug_assert!(row >= rows.start && row < rows.end);
3385 debug_assert!(ix < per_row_map.len());
3386 per_row_map[ix].push((seg_start..seg_end, color));
3387 }
3388 }
3389 for row_segments in per_row_map.iter_mut() {
3390 if row_segments.is_empty() {
3391 continue;
3392 }
3393 let segments = mem::take(row_segments);
3394 let merged = Self::merge_overlapping_ranges(segments, base_background);
3395 *row_segments = merged;
3396 }
3397 per_row_map
3398 }
3399
3400 /// Merge overlapping ranges by splitting at all range boundaries and blending colors where
3401 /// multiple ranges overlap. The result contains non-overlapping ranges ordered from left to right.
3402 ///
3403 /// Expects `start.row() == end.row()` for each range.
3404 fn merge_overlapping_ranges(
3405 ranges: Vec<(Range<DisplayPoint>, Hsla)>,
3406 base_background: Hsla,
3407 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
3408 struct Boundary {
3409 pos: DisplayPoint,
3410 is_start: bool,
3411 index: usize,
3412 color: Hsla,
3413 }
3414
3415 let mut boundaries: SmallVec<[Boundary; 16]> = SmallVec::with_capacity(ranges.len() * 2);
3416 for (index, (range, color)) in ranges.iter().enumerate() {
3417 debug_assert!(
3418 range.start.row() == range.end.row(),
3419 "expects single-row ranges"
3420 );
3421 if range.start < range.end {
3422 boundaries.push(Boundary {
3423 pos: range.start,
3424 is_start: true,
3425 index,
3426 color: *color,
3427 });
3428 boundaries.push(Boundary {
3429 pos: range.end,
3430 is_start: false,
3431 index,
3432 color: *color,
3433 });
3434 }
3435 }
3436
3437 if boundaries.is_empty() {
3438 return Vec::new();
3439 }
3440
3441 boundaries
3442 .sort_unstable_by(|a, b| a.pos.cmp(&b.pos).then_with(|| a.is_start.cmp(&b.is_start)));
3443
3444 let mut processed_ranges: Vec<(Range<DisplayPoint>, Hsla)> = Vec::new();
3445 let mut active_ranges: SmallVec<[(usize, Hsla); 8]> = SmallVec::new();
3446
3447 let mut i = 0;
3448 let mut start_pos = boundaries[0].pos;
3449
3450 let boundaries_len = boundaries.len();
3451 while i < boundaries_len {
3452 let current_boundary_pos = boundaries[i].pos;
3453 if start_pos < current_boundary_pos {
3454 if !active_ranges.is_empty() {
3455 let mut color = base_background;
3456 for &(_, c) in &active_ranges {
3457 color = Hsla::blend(color, c);
3458 }
3459 if let Some((last_range, last_color)) = processed_ranges.last_mut() {
3460 if *last_color == color && last_range.end == start_pos {
3461 last_range.end = current_boundary_pos;
3462 } else {
3463 processed_ranges.push((start_pos..current_boundary_pos, color));
3464 }
3465 } else {
3466 processed_ranges.push((start_pos..current_boundary_pos, color));
3467 }
3468 }
3469 }
3470 while i < boundaries_len && boundaries[i].pos == current_boundary_pos {
3471 let active_range = &boundaries[i];
3472 if active_range.is_start {
3473 let idx = active_range.index;
3474 let pos = active_ranges
3475 .binary_search_by_key(&idx, |(i, _)| *i)
3476 .unwrap_or_else(|p| p);
3477 active_ranges.insert(pos, (idx, active_range.color));
3478 } else {
3479 let idx = active_range.index;
3480 if let Ok(pos) = active_ranges.binary_search_by_key(&idx, |(i, _)| *i) {
3481 active_ranges.remove(pos);
3482 }
3483 }
3484 i += 1;
3485 }
3486 start_pos = current_boundary_pos;
3487 }
3488
3489 processed_ranges
3490 }
3491
3492 fn layout_lines(
3493 rows: Range<DisplayRow>,
3494 snapshot: &EditorSnapshot,
3495 style: &EditorStyle,
3496 editor_width: Pixels,
3497 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3498 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
3499 window: &mut Window,
3500 cx: &mut App,
3501 ) -> Vec<LineWithInvisibles> {
3502 if rows.start >= rows.end {
3503 return Vec::new();
3504 }
3505
3506 // Show the placeholder when the editor is empty
3507 if snapshot.is_empty() {
3508 let font_size = style.text.font_size.to_pixels(window.rem_size());
3509 let placeholder_color = cx.theme().colors().text_placeholder;
3510 let placeholder_text = snapshot.placeholder_text();
3511
3512 let placeholder_lines = placeholder_text
3513 .as_ref()
3514 .map_or(Vec::new(), |text| text.split('\n').collect::<Vec<_>>());
3515
3516 let placeholder_line_count = placeholder_lines.len();
3517
3518 placeholder_lines
3519 .into_iter()
3520 .skip(rows.start.0 as usize)
3521 .chain(iter::repeat(""))
3522 .take(cmp::max(rows.len(), placeholder_line_count))
3523 .map(move |line| {
3524 let run = TextRun {
3525 len: line.len(),
3526 font: style.text.font(),
3527 color: placeholder_color,
3528 background_color: None,
3529 underline: None,
3530 strikethrough: None,
3531 };
3532 let line = window.text_system().shape_line(
3533 line.to_string().into(),
3534 font_size,
3535 &[run],
3536 None,
3537 );
3538 LineWithInvisibles {
3539 width: line.width,
3540 len: line.len,
3541 fragments: smallvec![LineFragment::Text(line)],
3542 invisibles: Vec::new(),
3543 font_size,
3544 }
3545 })
3546 .collect()
3547 } else {
3548 let chunks = snapshot.highlighted_chunks(rows.clone(), true, style);
3549 LineWithInvisibles::from_chunks(
3550 chunks,
3551 style,
3552 MAX_LINE_LEN,
3553 rows.len(),
3554 &snapshot.mode,
3555 editor_width,
3556 is_row_soft_wrapped,
3557 bg_segments_per_row,
3558 window,
3559 cx,
3560 )
3561 }
3562 }
3563
3564 fn prepaint_lines(
3565 &self,
3566 start_row: DisplayRow,
3567 line_layouts: &mut [LineWithInvisibles],
3568 line_height: Pixels,
3569 scroll_position: gpui::Point<ScrollOffset>,
3570 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
3571 content_origin: gpui::Point<Pixels>,
3572 window: &mut Window,
3573 cx: &mut App,
3574 ) -> SmallVec<[AnyElement; 1]> {
3575 let mut line_elements = SmallVec::new();
3576 for (ix, line) in line_layouts.iter_mut().enumerate() {
3577 let row = start_row + DisplayRow(ix as u32);
3578 line.prepaint(
3579 line_height,
3580 scroll_position,
3581 scroll_pixel_position,
3582 row,
3583 content_origin,
3584 &mut line_elements,
3585 window,
3586 cx,
3587 );
3588 }
3589 line_elements
3590 }
3591
3592 fn render_block(
3593 &self,
3594 block: &Block,
3595 available_width: AvailableSpace,
3596 block_id: BlockId,
3597 block_row_start: DisplayRow,
3598 snapshot: &EditorSnapshot,
3599 text_x: Pixels,
3600 rows: &Range<DisplayRow>,
3601 line_layouts: &[LineWithInvisibles],
3602 editor_margins: &EditorMargins,
3603 line_height: Pixels,
3604 em_width: Pixels,
3605 text_hitbox: &Hitbox,
3606 editor_width: Pixels,
3607 scroll_width: &mut Pixels,
3608 resized_blocks: &mut HashMap<CustomBlockId, u32>,
3609 row_block_types: &mut HashMap<DisplayRow, bool>,
3610 selections: &[Selection<Point>],
3611 selected_buffer_ids: &Vec<BufferId>,
3612 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3613 sticky_header_excerpt_id: Option<ExcerptId>,
3614 window: &mut Window,
3615 cx: &mut App,
3616 ) -> Option<(AnyElement, Size<Pixels>, DisplayRow, Pixels)> {
3617 let mut x_position = None;
3618 let mut element = match block {
3619 Block::Custom(custom) => {
3620 let block_start = custom.start().to_point(&snapshot.buffer_snapshot());
3621 let block_end = custom.end().to_point(&snapshot.buffer_snapshot());
3622 if block.place_near() && snapshot.is_line_folded(MultiBufferRow(block_start.row)) {
3623 return None;
3624 }
3625 let align_to = block_start.to_display_point(snapshot);
3626 let x_and_width = |layout: &LineWithInvisibles| {
3627 Some((
3628 text_x + layout.x_for_index(align_to.column() as usize),
3629 text_x + layout.width,
3630 ))
3631 };
3632 let line_ix = align_to.row().0.checked_sub(rows.start.0);
3633 x_position =
3634 if let Some(layout) = line_ix.and_then(|ix| line_layouts.get(ix as usize)) {
3635 x_and_width(layout)
3636 } else {
3637 x_and_width(&layout_line(
3638 align_to.row(),
3639 snapshot,
3640 &self.style,
3641 editor_width,
3642 is_row_soft_wrapped,
3643 window,
3644 cx,
3645 ))
3646 };
3647
3648 let anchor_x = x_position.unwrap().0;
3649
3650 let selected = selections
3651 .binary_search_by(|selection| {
3652 if selection.end <= block_start {
3653 Ordering::Less
3654 } else if selection.start >= block_end {
3655 Ordering::Greater
3656 } else {
3657 Ordering::Equal
3658 }
3659 })
3660 .is_ok();
3661
3662 div()
3663 .size_full()
3664 .child(custom.render(&mut BlockContext {
3665 window,
3666 app: cx,
3667 anchor_x,
3668 margins: editor_margins,
3669 line_height,
3670 em_width,
3671 block_id,
3672 selected,
3673 max_width: text_hitbox.size.width.max(*scroll_width),
3674 editor_style: &self.style,
3675 }))
3676 .into_any()
3677 }
3678
3679 Block::FoldedBuffer {
3680 first_excerpt,
3681 height,
3682 ..
3683 } => {
3684 let selected = selected_buffer_ids.contains(&first_excerpt.buffer_id);
3685 let result = v_flex().id(block_id).w_full().pr(editor_margins.right);
3686
3687 let jump_data = header_jump_data(snapshot, block_row_start, *height, first_excerpt);
3688 result
3689 .child(self.render_buffer_header(
3690 first_excerpt,
3691 true,
3692 selected,
3693 false,
3694 jump_data,
3695 window,
3696 cx,
3697 ))
3698 .into_any_element()
3699 }
3700
3701 Block::ExcerptBoundary { .. } => {
3702 let color = cx.theme().colors().clone();
3703 let mut result = v_flex().id(block_id).w_full();
3704
3705 result = result.child(
3706 h_flex().relative().child(
3707 div()
3708 .top(line_height / 2.)
3709 .absolute()
3710 .w_full()
3711 .h_px()
3712 .bg(color.border_variant),
3713 ),
3714 );
3715
3716 result.into_any()
3717 }
3718
3719 Block::BufferHeader { excerpt, height } => {
3720 let mut result = v_flex().id(block_id).w_full();
3721
3722 let jump_data = header_jump_data(snapshot, block_row_start, *height, excerpt);
3723
3724 if sticky_header_excerpt_id != Some(excerpt.id) {
3725 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
3726
3727 result = result.child(div().pr(editor_margins.right).child(
3728 self.render_buffer_header(
3729 excerpt, false, selected, false, jump_data, window, cx,
3730 ),
3731 ));
3732 } else {
3733 result =
3734 result.child(div().h(FILE_HEADER_HEIGHT as f32 * window.line_height()));
3735 }
3736
3737 result.into_any()
3738 }
3739 };
3740
3741 // Discover the element's content height, then round up to the nearest multiple of line height.
3742 let preliminary_size = element.layout_as_root(
3743 size(available_width, AvailableSpace::MinContent),
3744 window,
3745 cx,
3746 );
3747 let quantized_height = (preliminary_size.height / line_height).ceil() * line_height;
3748 let final_size = if preliminary_size.height == quantized_height {
3749 preliminary_size
3750 } else {
3751 element.layout_as_root(size(available_width, quantized_height.into()), window, cx)
3752 };
3753 let mut element_height_in_lines = ((final_size.height / line_height).ceil() as u32).max(1);
3754
3755 let mut row = block_row_start;
3756 let mut x_offset = px(0.);
3757 let mut is_block = true;
3758
3759 if let BlockId::Custom(custom_block_id) = block_id
3760 && block.has_height()
3761 {
3762 if block.place_near()
3763 && let Some((x_target, line_width)) = x_position
3764 {
3765 let margin = em_width * 2;
3766 if line_width + final_size.width + margin
3767 < editor_width + editor_margins.gutter.full_width()
3768 && !row_block_types.contains_key(&(row - 1))
3769 && element_height_in_lines == 1
3770 {
3771 x_offset = line_width + margin;
3772 row = row - 1;
3773 is_block = false;
3774 element_height_in_lines = 0;
3775 row_block_types.insert(row, is_block);
3776 } else {
3777 let max_offset =
3778 editor_width + editor_margins.gutter.full_width() - final_size.width;
3779 let min_offset = (x_target + em_width - final_size.width)
3780 .max(editor_margins.gutter.full_width());
3781 x_offset = x_target.min(max_offset).max(min_offset);
3782 }
3783 };
3784 if element_height_in_lines != block.height() {
3785 resized_blocks.insert(custom_block_id, element_height_in_lines);
3786 }
3787 }
3788 for i in 0..element_height_in_lines {
3789 row_block_types.insert(row + i, is_block);
3790 }
3791
3792 Some((element, final_size, row, x_offset))
3793 }
3794
3795 fn render_buffer_header(
3796 &self,
3797 for_excerpt: &ExcerptInfo,
3798 is_folded: bool,
3799 is_selected: bool,
3800 is_sticky: bool,
3801 jump_data: JumpData,
3802 window: &mut Window,
3803 cx: &mut App,
3804 ) -> impl IntoElement {
3805 let editor = self.editor.read(cx);
3806 let multi_buffer = editor.buffer.read(cx);
3807 let file_status = multi_buffer
3808 .all_diff_hunks_expanded()
3809 .then(|| {
3810 editor
3811 .project
3812 .as_ref()?
3813 .read(cx)
3814 .status_for_buffer_id(for_excerpt.buffer_id, cx)
3815 })
3816 .flatten();
3817 let indicator = multi_buffer
3818 .buffer(for_excerpt.buffer_id)
3819 .and_then(|buffer| {
3820 let buffer = buffer.read(cx);
3821 let indicator_color = match (buffer.has_conflict(), buffer.is_dirty()) {
3822 (true, _) => Some(Color::Warning),
3823 (_, true) => Some(Color::Accent),
3824 (false, false) => None,
3825 };
3826 indicator_color.map(|indicator_color| Indicator::dot().color(indicator_color))
3827 });
3828
3829 let include_root = editor
3830 .project
3831 .as_ref()
3832 .map(|project| project.read(cx).visible_worktrees(cx).count() > 1)
3833 .unwrap_or_default();
3834 let file = for_excerpt.buffer.file();
3835 let can_open_excerpts = Editor::can_open_excerpts_in_file(file);
3836 let path_style = file.map(|file| file.path_style(cx));
3837 let relative_path = for_excerpt.buffer.resolve_file_path(include_root, cx);
3838 let (parent_path, filename) = if let Some(path) = &relative_path {
3839 if let Some(path_style) = path_style {
3840 let (dir, file_name) = path_style.split(path);
3841 (dir.map(|dir| dir.to_owned()), Some(file_name.to_owned()))
3842 } else {
3843 (None, Some(path.clone()))
3844 }
3845 } else {
3846 (None, None)
3847 };
3848 let focus_handle = editor.focus_handle(cx);
3849 let colors = cx.theme().colors();
3850
3851 let header = div()
3852 .p_1()
3853 .w_full()
3854 .h(FILE_HEADER_HEIGHT as f32 * window.line_height())
3855 .child(
3856 h_flex()
3857 .size_full()
3858 .gap_2()
3859 .flex_basis(Length::Definite(DefiniteLength::Fraction(0.667)))
3860 .pl_0p5()
3861 .pr_5()
3862 .rounded_sm()
3863 .when(is_sticky, |el| el.shadow_md())
3864 .border_1()
3865 .map(|div| {
3866 let border_color = if is_selected
3867 && is_folded
3868 && focus_handle.contains_focused(window, cx)
3869 {
3870 colors.border_focused
3871 } else {
3872 colors.border
3873 };
3874 div.border_color(border_color)
3875 })
3876 .bg(colors.editor_subheader_background)
3877 .hover(|style| style.bg(colors.element_hover))
3878 .map(|header| {
3879 let editor = self.editor.clone();
3880 let buffer_id = for_excerpt.buffer_id;
3881 let toggle_chevron_icon =
3882 FileIcons::get_chevron_icon(!is_folded, cx).map(Icon::from_path);
3883 header.child(
3884 div()
3885 .hover(|style| style.bg(colors.element_selected))
3886 .rounded_xs()
3887 .child(
3888 ButtonLike::new("toggle-buffer-fold")
3889 .style(ui::ButtonStyle::Transparent)
3890 .height(px(28.).into())
3891 .width(px(28.))
3892 .children(toggle_chevron_icon)
3893 .tooltip({
3894 let focus_handle = focus_handle.clone();
3895 move |window, cx| {
3896 Tooltip::with_meta_in(
3897 "Toggle Excerpt Fold",
3898 Some(&ToggleFold),
3899 format!(
3900 "{} to toggle all",
3901 text_for_keystroke(
3902 &Modifiers::alt(),
3903 "click",
3904 cx
3905 )
3906 ),
3907 &focus_handle,
3908 window,
3909 cx,
3910 )
3911 }
3912 })
3913 .on_click(move |event, window, cx| {
3914 if event.modifiers().alt {
3915 // Alt+click toggles all buffers
3916 editor.update(cx, |editor, cx| {
3917 editor.toggle_fold_all(
3918 &ToggleFoldAll,
3919 window,
3920 cx,
3921 );
3922 });
3923 } else {
3924 // Regular click toggles single buffer
3925 if is_folded {
3926 editor.update(cx, |editor, cx| {
3927 editor.unfold_buffer(buffer_id, cx);
3928 });
3929 } else {
3930 editor.update(cx, |editor, cx| {
3931 editor.fold_buffer(buffer_id, cx);
3932 });
3933 }
3934 }
3935 }),
3936 ),
3937 )
3938 })
3939 .children(
3940 editor
3941 .addons
3942 .values()
3943 .filter_map(|addon| {
3944 addon.render_buffer_header_controls(for_excerpt, window, cx)
3945 })
3946 .take(1),
3947 )
3948 .child(h_flex().size(px(12.0)).justify_center().children(indicator))
3949 .child(
3950 h_flex()
3951 .cursor_pointer()
3952 .id("path header block")
3953 .size_full()
3954 .justify_between()
3955 .overflow_hidden()
3956 .child(
3957 h_flex()
3958 .gap_2()
3959 .map(|path_header| {
3960 let filename = filename
3961 .map(SharedString::from)
3962 .unwrap_or_else(|| "untitled".into());
3963
3964 path_header
3965 .when(ItemSettings::get_global(cx).file_icons, |el| {
3966 let path = path::Path::new(filename.as_str());
3967 let icon = FileIcons::get_icon(path, cx)
3968 .unwrap_or_default();
3969 let icon =
3970 Icon::from_path(icon).color(Color::Muted);
3971 el.child(icon)
3972 })
3973 .child(Label::new(filename).single_line().when_some(
3974 file_status,
3975 |el, status| {
3976 el.color(if status.is_conflicted() {
3977 Color::Conflict
3978 } else if status.is_modified() {
3979 Color::Modified
3980 } else if status.is_deleted() {
3981 Color::Disabled
3982 } else {
3983 Color::Created
3984 })
3985 .when(status.is_deleted(), |el| {
3986 el.strikethrough()
3987 })
3988 },
3989 ))
3990 })
3991 .when_some(parent_path, |then, path| {
3992 then.child(div().child(path).text_color(
3993 if file_status.is_some_and(FileStatus::is_deleted) {
3994 colors.text_disabled
3995 } else {
3996 colors.text_muted
3997 },
3998 ))
3999 }),
4000 )
4001 .when(
4002 can_open_excerpts && is_selected && relative_path.is_some(),
4003 |el| {
4004 el.child(
4005 h_flex()
4006 .id("jump-to-file-button")
4007 .gap_2p5()
4008 .child(Label::new("Jump To File"))
4009 .children(
4010 KeyBinding::for_action_in(
4011 &OpenExcerpts,
4012 &focus_handle,
4013 window,
4014 cx,
4015 )
4016 .map(|binding| binding.into_any_element()),
4017 ),
4018 )
4019 },
4020 )
4021 .on_mouse_down(MouseButton::Left, |_, _, cx| cx.stop_propagation())
4022 .on_click(window.listener_for(&self.editor, {
4023 move |editor, e: &ClickEvent, window, cx| {
4024 editor.open_excerpts_common(
4025 Some(jump_data.clone()),
4026 e.modifiers().secondary(),
4027 window,
4028 cx,
4029 );
4030 }
4031 })),
4032 ),
4033 );
4034
4035 let file = for_excerpt.buffer.file().cloned();
4036 let editor = self.editor.clone();
4037 right_click_menu("buffer-header-context-menu")
4038 .trigger(move |_, _, _| header)
4039 .menu(move |window, cx| {
4040 let menu_context = focus_handle.clone();
4041 let editor = editor.clone();
4042 let file = file.clone();
4043 ContextMenu::build(window, cx, move |mut menu, window, cx| {
4044 if let Some(file) = file
4045 && let Some(project) = editor.read(cx).project()
4046 && let Some(worktree) =
4047 project.read(cx).worktree_for_id(file.worktree_id(cx), cx)
4048 {
4049 let path_style = file.path_style(cx);
4050 let worktree = worktree.read(cx);
4051 let relative_path = file.path();
4052 let entry_for_path = worktree.entry_for_path(relative_path);
4053 let abs_path = entry_for_path.map(|e| {
4054 e.canonical_path.as_deref().map_or_else(
4055 || worktree.absolutize(relative_path),
4056 Path::to_path_buf,
4057 )
4058 });
4059 let has_relative_path = worktree.root_entry().is_some_and(Entry::is_dir);
4060
4061 let parent_abs_path = abs_path
4062 .as_ref()
4063 .and_then(|abs_path| Some(abs_path.parent()?.to_path_buf()));
4064 let relative_path = has_relative_path
4065 .then_some(relative_path)
4066 .map(ToOwned::to_owned);
4067
4068 let visible_in_project_panel =
4069 relative_path.is_some() && worktree.is_visible();
4070 let reveal_in_project_panel = entry_for_path
4071 .filter(|_| visible_in_project_panel)
4072 .map(|entry| entry.id);
4073 menu = menu
4074 .when_some(abs_path, |menu, abs_path| {
4075 menu.entry(
4076 "Copy Path",
4077 Some(Box::new(zed_actions::workspace::CopyPath)),
4078 window.handler_for(&editor, move |_, _, cx| {
4079 cx.write_to_clipboard(ClipboardItem::new_string(
4080 abs_path.to_string_lossy().into_owned(),
4081 ));
4082 }),
4083 )
4084 })
4085 .when_some(relative_path, |menu, relative_path| {
4086 menu.entry(
4087 "Copy Relative Path",
4088 Some(Box::new(zed_actions::workspace::CopyRelativePath)),
4089 window.handler_for(&editor, move |_, _, cx| {
4090 cx.write_to_clipboard(ClipboardItem::new_string(
4091 relative_path.display(path_style).to_string(),
4092 ));
4093 }),
4094 )
4095 })
4096 .when(
4097 reveal_in_project_panel.is_some() || parent_abs_path.is_some(),
4098 |menu| menu.separator(),
4099 )
4100 .when_some(reveal_in_project_panel, |menu, entry_id| {
4101 menu.entry(
4102 "Reveal In Project Panel",
4103 Some(Box::new(RevealInProjectPanel::default())),
4104 window.handler_for(&editor, move |editor, _, cx| {
4105 if let Some(project) = &mut editor.project {
4106 project.update(cx, |_, cx| {
4107 cx.emit(project::Event::RevealInProjectPanel(
4108 entry_id,
4109 ))
4110 });
4111 }
4112 }),
4113 )
4114 })
4115 .when_some(parent_abs_path, |menu, parent_abs_path| {
4116 menu.entry(
4117 "Open in Terminal",
4118 Some(Box::new(OpenInTerminal)),
4119 window.handler_for(&editor, move |_, window, cx| {
4120 window.dispatch_action(
4121 OpenTerminal {
4122 working_directory: parent_abs_path.clone(),
4123 }
4124 .boxed_clone(),
4125 cx,
4126 );
4127 }),
4128 )
4129 });
4130 }
4131
4132 menu.context(menu_context)
4133 })
4134 })
4135 }
4136
4137 fn render_blocks(
4138 &self,
4139 rows: Range<DisplayRow>,
4140 snapshot: &EditorSnapshot,
4141 hitbox: &Hitbox,
4142 text_hitbox: &Hitbox,
4143 editor_width: Pixels,
4144 scroll_width: &mut Pixels,
4145 editor_margins: &EditorMargins,
4146 em_width: Pixels,
4147 text_x: Pixels,
4148 line_height: Pixels,
4149 line_layouts: &mut [LineWithInvisibles],
4150 selections: &[Selection<Point>],
4151 selected_buffer_ids: &Vec<BufferId>,
4152 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
4153 sticky_header_excerpt_id: Option<ExcerptId>,
4154 window: &mut Window,
4155 cx: &mut App,
4156 ) -> Result<(Vec<BlockLayout>, HashMap<DisplayRow, bool>), HashMap<CustomBlockId, u32>> {
4157 let (fixed_blocks, non_fixed_blocks) = snapshot
4158 .blocks_in_range(rows.clone())
4159 .partition::<Vec<_>, _>(|(_, block)| block.style() == BlockStyle::Fixed);
4160
4161 let mut focused_block = self
4162 .editor
4163 .update(cx, |editor, _| editor.take_focused_block());
4164 let mut fixed_block_max_width = Pixels::ZERO;
4165 let mut blocks = Vec::new();
4166 let mut resized_blocks = HashMap::default();
4167 let mut row_block_types = HashMap::default();
4168
4169 for (row, block) in fixed_blocks {
4170 let block_id = block.id();
4171
4172 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4173 focused_block = None;
4174 }
4175
4176 if let Some((element, element_size, row, x_offset)) = self.render_block(
4177 block,
4178 AvailableSpace::MinContent,
4179 block_id,
4180 row,
4181 snapshot,
4182 text_x,
4183 &rows,
4184 line_layouts,
4185 editor_margins,
4186 line_height,
4187 em_width,
4188 text_hitbox,
4189 editor_width,
4190 scroll_width,
4191 &mut resized_blocks,
4192 &mut row_block_types,
4193 selections,
4194 selected_buffer_ids,
4195 is_row_soft_wrapped,
4196 sticky_header_excerpt_id,
4197 window,
4198 cx,
4199 ) {
4200 fixed_block_max_width = fixed_block_max_width.max(element_size.width + em_width);
4201 blocks.push(BlockLayout {
4202 id: block_id,
4203 x_offset,
4204 row: Some(row),
4205 element,
4206 available_space: size(AvailableSpace::MinContent, element_size.height.into()),
4207 style: BlockStyle::Fixed,
4208 overlaps_gutter: true,
4209 is_buffer_header: block.is_buffer_header(),
4210 });
4211 }
4212 }
4213
4214 for (row, block) in non_fixed_blocks {
4215 let style = block.style();
4216 let width = match (style, block.place_near()) {
4217 (_, true) => AvailableSpace::MinContent,
4218 (BlockStyle::Sticky, _) => hitbox.size.width.into(),
4219 (BlockStyle::Flex, _) => hitbox
4220 .size
4221 .width
4222 .max(fixed_block_max_width)
4223 .max(editor_margins.gutter.width + *scroll_width)
4224 .into(),
4225 (BlockStyle::Fixed, _) => unreachable!(),
4226 };
4227 let block_id = block.id();
4228
4229 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4230 focused_block = None;
4231 }
4232
4233 if let Some((element, element_size, row, x_offset)) = self.render_block(
4234 block,
4235 width,
4236 block_id,
4237 row,
4238 snapshot,
4239 text_x,
4240 &rows,
4241 line_layouts,
4242 editor_margins,
4243 line_height,
4244 em_width,
4245 text_hitbox,
4246 editor_width,
4247 scroll_width,
4248 &mut resized_blocks,
4249 &mut row_block_types,
4250 selections,
4251 selected_buffer_ids,
4252 is_row_soft_wrapped,
4253 sticky_header_excerpt_id,
4254 window,
4255 cx,
4256 ) {
4257 blocks.push(BlockLayout {
4258 id: block_id,
4259 x_offset,
4260 row: Some(row),
4261 element,
4262 available_space: size(width, element_size.height.into()),
4263 style,
4264 overlaps_gutter: !block.place_near(),
4265 is_buffer_header: block.is_buffer_header(),
4266 });
4267 }
4268 }
4269
4270 if let Some(focused_block) = focused_block
4271 && let Some(focus_handle) = focused_block.focus_handle.upgrade()
4272 && focus_handle.is_focused(window)
4273 && let Some(block) = snapshot.block_for_id(focused_block.id)
4274 {
4275 let style = block.style();
4276 let width = match style {
4277 BlockStyle::Fixed => AvailableSpace::MinContent,
4278 BlockStyle::Flex => AvailableSpace::Definite(
4279 hitbox
4280 .size
4281 .width
4282 .max(fixed_block_max_width)
4283 .max(editor_margins.gutter.width + *scroll_width),
4284 ),
4285 BlockStyle::Sticky => AvailableSpace::Definite(hitbox.size.width),
4286 };
4287
4288 if let Some((element, element_size, _, x_offset)) = self.render_block(
4289 &block,
4290 width,
4291 focused_block.id,
4292 rows.end,
4293 snapshot,
4294 text_x,
4295 &rows,
4296 line_layouts,
4297 editor_margins,
4298 line_height,
4299 em_width,
4300 text_hitbox,
4301 editor_width,
4302 scroll_width,
4303 &mut resized_blocks,
4304 &mut row_block_types,
4305 selections,
4306 selected_buffer_ids,
4307 is_row_soft_wrapped,
4308 sticky_header_excerpt_id,
4309 window,
4310 cx,
4311 ) {
4312 blocks.push(BlockLayout {
4313 id: block.id(),
4314 x_offset,
4315 row: None,
4316 element,
4317 available_space: size(width, element_size.height.into()),
4318 style,
4319 overlaps_gutter: true,
4320 is_buffer_header: block.is_buffer_header(),
4321 });
4322 }
4323 }
4324
4325 if resized_blocks.is_empty() {
4326 *scroll_width =
4327 (*scroll_width).max(fixed_block_max_width - editor_margins.gutter.width);
4328 Ok((blocks, row_block_types))
4329 } else {
4330 Err(resized_blocks)
4331 }
4332 }
4333
4334 fn layout_blocks(
4335 &self,
4336 blocks: &mut Vec<BlockLayout>,
4337 hitbox: &Hitbox,
4338 line_height: Pixels,
4339 scroll_position: gpui::Point<ScrollOffset>,
4340 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4341 window: &mut Window,
4342 cx: &mut App,
4343 ) {
4344 for block in blocks {
4345 let mut origin = if let Some(row) = block.row {
4346 hitbox.origin
4347 + point(
4348 block.x_offset,
4349 Pixels::from(
4350 (row.as_f64() - scroll_position.y)
4351 * ScrollPixelOffset::from(line_height),
4352 ),
4353 )
4354 } else {
4355 // Position the block outside the visible area
4356 hitbox.origin + point(Pixels::ZERO, hitbox.size.height)
4357 };
4358
4359 if !matches!(block.style, BlockStyle::Sticky) {
4360 origin += point(Pixels::from(-scroll_pixel_position.x), Pixels::ZERO);
4361 }
4362
4363 let focus_handle =
4364 block
4365 .element
4366 .prepaint_as_root(origin, block.available_space, window, cx);
4367
4368 if let Some(focus_handle) = focus_handle {
4369 self.editor.update(cx, |editor, _cx| {
4370 editor.set_focused_block(FocusedBlock {
4371 id: block.id,
4372 focus_handle: focus_handle.downgrade(),
4373 });
4374 });
4375 }
4376 }
4377 }
4378
4379 fn layout_sticky_buffer_header(
4380 &self,
4381 StickyHeaderExcerpt { excerpt }: StickyHeaderExcerpt<'_>,
4382 scroll_position: gpui::Point<ScrollOffset>,
4383 line_height: Pixels,
4384 right_margin: Pixels,
4385 snapshot: &EditorSnapshot,
4386 hitbox: &Hitbox,
4387 selected_buffer_ids: &Vec<BufferId>,
4388 blocks: &[BlockLayout],
4389 window: &mut Window,
4390 cx: &mut App,
4391 ) -> AnyElement {
4392 let jump_data = header_jump_data(
4393 snapshot,
4394 DisplayRow(scroll_position.y as u32),
4395 FILE_HEADER_HEIGHT + MULTI_BUFFER_EXCERPT_HEADER_HEIGHT,
4396 excerpt,
4397 );
4398
4399 let editor_bg_color = cx.theme().colors().editor_background;
4400
4401 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
4402
4403 let available_width = hitbox.bounds.size.width - right_margin;
4404
4405 let mut header = v_flex()
4406 .w_full()
4407 .relative()
4408 .child(
4409 div()
4410 .w(available_width)
4411 .h(FILE_HEADER_HEIGHT as f32 * line_height)
4412 .bg(linear_gradient(
4413 0.,
4414 linear_color_stop(editor_bg_color.opacity(0.), 0.),
4415 linear_color_stop(editor_bg_color, 0.6),
4416 ))
4417 .absolute()
4418 .top_0(),
4419 )
4420 .child(
4421 self.render_buffer_header(excerpt, false, selected, true, jump_data, window, cx)
4422 .into_any_element(),
4423 )
4424 .into_any_element();
4425
4426 let mut origin = hitbox.origin;
4427 // Move floating header up to avoid colliding with the next buffer header.
4428 for block in blocks.iter() {
4429 if !block.is_buffer_header {
4430 continue;
4431 }
4432
4433 let Some(display_row) = block.row.filter(|row| row.0 > scroll_position.y as u32) else {
4434 continue;
4435 };
4436
4437 let max_row = display_row.0.saturating_sub(FILE_HEADER_HEIGHT);
4438 let offset = scroll_position.y - max_row as f64;
4439
4440 if offset > 0.0 {
4441 origin.y -= Pixels::from(offset * ScrollPixelOffset::from(line_height));
4442 }
4443 break;
4444 }
4445
4446 let size = size(
4447 AvailableSpace::Definite(available_width),
4448 AvailableSpace::MinContent,
4449 );
4450
4451 header.prepaint_as_root(origin, size, window, cx);
4452
4453 header
4454 }
4455
4456 fn layout_cursor_popovers(
4457 &self,
4458 line_height: Pixels,
4459 text_hitbox: &Hitbox,
4460 content_origin: gpui::Point<Pixels>,
4461 right_margin: Pixels,
4462 start_row: DisplayRow,
4463 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4464 line_layouts: &[LineWithInvisibles],
4465 cursor: DisplayPoint,
4466 cursor_point: Point,
4467 style: &EditorStyle,
4468 window: &mut Window,
4469 cx: &mut App,
4470 ) -> Option<ContextMenuLayout> {
4471 let mut min_menu_height = Pixels::ZERO;
4472 let mut max_menu_height = Pixels::ZERO;
4473 let mut height_above_menu = Pixels::ZERO;
4474 let height_below_menu = Pixels::ZERO;
4475 let mut edit_prediction_popover_visible = false;
4476 let mut context_menu_visible = false;
4477 let context_menu_placement;
4478
4479 {
4480 let editor = self.editor.read(cx);
4481 if editor.edit_prediction_visible_in_cursor_popover(editor.has_active_edit_prediction())
4482 {
4483 height_above_menu +=
4484 editor.edit_prediction_cursor_popover_height() + POPOVER_Y_PADDING;
4485 edit_prediction_popover_visible = true;
4486 }
4487
4488 if editor.context_menu_visible()
4489 && let Some(crate::ContextMenuOrigin::Cursor) = editor.context_menu_origin()
4490 {
4491 let (min_height_in_lines, max_height_in_lines) = editor
4492 .context_menu_options
4493 .as_ref()
4494 .map_or((3, 12), |options| {
4495 (options.min_entries_visible, options.max_entries_visible)
4496 });
4497
4498 min_menu_height += line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4499 max_menu_height += line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4500 context_menu_visible = true;
4501 }
4502 context_menu_placement = editor
4503 .context_menu_options
4504 .as_ref()
4505 .and_then(|options| options.placement.clone());
4506 }
4507
4508 let visible = edit_prediction_popover_visible || context_menu_visible;
4509 if !visible {
4510 return None;
4511 }
4512
4513 let cursor_row_layout = &line_layouts[cursor.row().minus(start_row) as usize];
4514 let target_position = content_origin
4515 + gpui::Point {
4516 x: cmp::max(
4517 px(0.),
4518 Pixels::from(
4519 ScrollPixelOffset::from(
4520 cursor_row_layout.x_for_index(cursor.column() as usize),
4521 ) - scroll_pixel_position.x,
4522 ),
4523 ),
4524 y: cmp::max(
4525 px(0.),
4526 Pixels::from(
4527 cursor.row().next_row().as_f64() * ScrollPixelOffset::from(line_height)
4528 - scroll_pixel_position.y,
4529 ),
4530 ),
4531 };
4532
4533 let viewport_bounds =
4534 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4535 right: -right_margin - MENU_GAP,
4536 ..Default::default()
4537 });
4538
4539 let min_height = height_above_menu + min_menu_height + height_below_menu;
4540 let max_height = height_above_menu + max_menu_height + height_below_menu;
4541 let (laid_out_popovers, y_flipped) = self.layout_popovers_above_or_below_line(
4542 target_position,
4543 line_height,
4544 min_height,
4545 max_height,
4546 context_menu_placement,
4547 text_hitbox,
4548 viewport_bounds,
4549 window,
4550 cx,
4551 |height, max_width_for_stable_x, y_flipped, window, cx| {
4552 // First layout the menu to get its size - others can be at least this wide.
4553 let context_menu = if context_menu_visible {
4554 let menu_height = if y_flipped {
4555 height - height_below_menu
4556 } else {
4557 height - height_above_menu
4558 };
4559 let mut element = self
4560 .render_context_menu(line_height, menu_height, window, cx)
4561 .expect("Visible context menu should always render.");
4562 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4563 Some((CursorPopoverType::CodeContextMenu, element, size))
4564 } else {
4565 None
4566 };
4567 let min_width = context_menu
4568 .as_ref()
4569 .map_or(px(0.), |(_, _, size)| size.width);
4570 let max_width = max_width_for_stable_x.max(
4571 context_menu
4572 .as_ref()
4573 .map_or(px(0.), |(_, _, size)| size.width),
4574 );
4575
4576 let edit_prediction = if edit_prediction_popover_visible {
4577 self.editor.update(cx, move |editor, cx| {
4578 let accept_binding =
4579 editor.accept_edit_prediction_keybind(false, window, cx);
4580 let mut element = editor.render_edit_prediction_cursor_popover(
4581 min_width,
4582 max_width,
4583 cursor_point,
4584 style,
4585 accept_binding.keystroke(),
4586 window,
4587 cx,
4588 )?;
4589 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4590 Some((CursorPopoverType::EditPrediction, element, size))
4591 })
4592 } else {
4593 None
4594 };
4595 vec![edit_prediction, context_menu]
4596 .into_iter()
4597 .flatten()
4598 .collect::<Vec<_>>()
4599 },
4600 )?;
4601
4602 let (menu_ix, (_, menu_bounds)) = laid_out_popovers
4603 .iter()
4604 .find_position(|(x, _)| matches!(x, CursorPopoverType::CodeContextMenu))?;
4605 let last_ix = laid_out_popovers.len() - 1;
4606 let menu_is_last = menu_ix == last_ix;
4607 let first_popover_bounds = laid_out_popovers[0].1;
4608 let last_popover_bounds = laid_out_popovers[last_ix].1;
4609
4610 // Bounds to layout the aside around. When y_flipped, the aside goes either above or to the
4611 // right, and otherwise it goes below or to the right.
4612 let mut target_bounds = Bounds::from_corners(
4613 first_popover_bounds.origin,
4614 last_popover_bounds.bottom_right(),
4615 );
4616 target_bounds.size.width = menu_bounds.size.width;
4617
4618 // Like `target_bounds`, but with the max height it could occupy. Choosing an aside position
4619 // based on this is preferred for layout stability.
4620 let mut max_target_bounds = target_bounds;
4621 max_target_bounds.size.height = max_height;
4622 if y_flipped {
4623 max_target_bounds.origin.y -= max_height - target_bounds.size.height;
4624 }
4625
4626 // Add spacing around `target_bounds` and `max_target_bounds`.
4627 let mut extend_amount = Edges::all(MENU_GAP);
4628 if y_flipped {
4629 extend_amount.bottom = line_height;
4630 } else {
4631 extend_amount.top = line_height;
4632 }
4633 let target_bounds = target_bounds.extend(extend_amount);
4634 let max_target_bounds = max_target_bounds.extend(extend_amount);
4635
4636 let must_place_above_or_below =
4637 if y_flipped && !menu_is_last && menu_bounds.size.height < max_menu_height {
4638 laid_out_popovers[menu_ix + 1..]
4639 .iter()
4640 .any(|(_, popover_bounds)| popover_bounds.size.width > menu_bounds.size.width)
4641 } else {
4642 false
4643 };
4644
4645 let aside_bounds = self.layout_context_menu_aside(
4646 y_flipped,
4647 *menu_bounds,
4648 target_bounds,
4649 max_target_bounds,
4650 max_menu_height,
4651 must_place_above_or_below,
4652 text_hitbox,
4653 viewport_bounds,
4654 window,
4655 cx,
4656 );
4657
4658 if let Some(menu_bounds) = laid_out_popovers.iter().find_map(|(popover_type, bounds)| {
4659 if matches!(popover_type, CursorPopoverType::CodeContextMenu) {
4660 Some(*bounds)
4661 } else {
4662 None
4663 }
4664 }) {
4665 let bounds = if let Some(aside_bounds) = aside_bounds {
4666 menu_bounds.union(&aside_bounds)
4667 } else {
4668 menu_bounds
4669 };
4670 return Some(ContextMenuLayout { y_flipped, bounds });
4671 }
4672
4673 None
4674 }
4675
4676 fn layout_gutter_menu(
4677 &self,
4678 line_height: Pixels,
4679 text_hitbox: &Hitbox,
4680 content_origin: gpui::Point<Pixels>,
4681 right_margin: Pixels,
4682 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4683 gutter_overshoot: Pixels,
4684 window: &mut Window,
4685 cx: &mut App,
4686 ) {
4687 let editor = self.editor.read(cx);
4688 if !editor.context_menu_visible() {
4689 return;
4690 }
4691 let Some(crate::ContextMenuOrigin::GutterIndicator(gutter_row)) =
4692 editor.context_menu_origin()
4693 else {
4694 return;
4695 };
4696 // Context menu was spawned via a click on a gutter. Ensure it's a bit closer to the
4697 // indicator than just a plain first column of the text field.
4698 let target_position = content_origin
4699 + gpui::Point {
4700 x: -gutter_overshoot,
4701 y: Pixels::from(
4702 gutter_row.next_row().as_f64() * ScrollPixelOffset::from(line_height)
4703 - scroll_pixel_position.y,
4704 ),
4705 };
4706
4707 let (min_height_in_lines, max_height_in_lines) = editor
4708 .context_menu_options
4709 .as_ref()
4710 .map_or((3, 12), |options| {
4711 (options.min_entries_visible, options.max_entries_visible)
4712 });
4713
4714 let min_height = line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4715 let max_height = line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4716 let viewport_bounds =
4717 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4718 right: -right_margin - MENU_GAP,
4719 ..Default::default()
4720 });
4721 self.layout_popovers_above_or_below_line(
4722 target_position,
4723 line_height,
4724 min_height,
4725 max_height,
4726 editor
4727 .context_menu_options
4728 .as_ref()
4729 .and_then(|options| options.placement.clone()),
4730 text_hitbox,
4731 viewport_bounds,
4732 window,
4733 cx,
4734 move |height, _max_width_for_stable_x, _, window, cx| {
4735 let mut element = self
4736 .render_context_menu(line_height, height, window, cx)
4737 .expect("Visible context menu should always render.");
4738 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4739 vec![(CursorPopoverType::CodeContextMenu, element, size)]
4740 },
4741 );
4742 }
4743
4744 fn layout_popovers_above_or_below_line(
4745 &self,
4746 target_position: gpui::Point<Pixels>,
4747 line_height: Pixels,
4748 min_height: Pixels,
4749 max_height: Pixels,
4750 placement: Option<ContextMenuPlacement>,
4751 text_hitbox: &Hitbox,
4752 viewport_bounds: Bounds<Pixels>,
4753 window: &mut Window,
4754 cx: &mut App,
4755 make_sized_popovers: impl FnOnce(
4756 Pixels,
4757 Pixels,
4758 bool,
4759 &mut Window,
4760 &mut App,
4761 ) -> Vec<(CursorPopoverType, AnyElement, Size<Pixels>)>,
4762 ) -> Option<(Vec<(CursorPopoverType, Bounds<Pixels>)>, bool)> {
4763 let text_style = TextStyleRefinement {
4764 line_height: Some(DefiniteLength::Fraction(
4765 BufferLineHeight::Comfortable.value(),
4766 )),
4767 ..Default::default()
4768 };
4769 window.with_text_style(Some(text_style), |window| {
4770 // If the max height won't fit below and there is more space above, put it above the line.
4771 let bottom_y_when_flipped = target_position.y - line_height;
4772 let available_above = bottom_y_when_flipped - text_hitbox.top();
4773 let available_below = text_hitbox.bottom() - target_position.y;
4774 let y_overflows_below = max_height > available_below;
4775 let mut y_flipped = match placement {
4776 Some(ContextMenuPlacement::Above) => true,
4777 Some(ContextMenuPlacement::Below) => false,
4778 None => y_overflows_below && available_above > available_below,
4779 };
4780 let mut height = cmp::min(
4781 max_height,
4782 if y_flipped {
4783 available_above
4784 } else {
4785 available_below
4786 },
4787 );
4788
4789 // If the min height doesn't fit within text bounds, instead fit within the window.
4790 if height < min_height {
4791 let available_above = bottom_y_when_flipped;
4792 let available_below = viewport_bounds.bottom() - target_position.y;
4793 let (y_flipped_override, height_override) = match placement {
4794 Some(ContextMenuPlacement::Above) => {
4795 (true, cmp::min(available_above, min_height))
4796 }
4797 Some(ContextMenuPlacement::Below) => {
4798 (false, cmp::min(available_below, min_height))
4799 }
4800 None => {
4801 if available_below > min_height {
4802 (false, min_height)
4803 } else if available_above > min_height {
4804 (true, min_height)
4805 } else if available_above > available_below {
4806 (true, available_above)
4807 } else {
4808 (false, available_below)
4809 }
4810 }
4811 };
4812 y_flipped = y_flipped_override;
4813 height = height_override;
4814 }
4815
4816 let max_width_for_stable_x = viewport_bounds.right() - target_position.x;
4817
4818 // TODO: Use viewport_bounds.width as a max width so that it doesn't get clipped on the left
4819 // for very narrow windows.
4820 let popovers =
4821 make_sized_popovers(height, max_width_for_stable_x, y_flipped, window, cx);
4822 if popovers.is_empty() {
4823 return None;
4824 }
4825
4826 let max_width = popovers
4827 .iter()
4828 .map(|(_, _, size)| size.width)
4829 .max()
4830 .unwrap_or_default();
4831
4832 let mut current_position = gpui::Point {
4833 // Snap the right edge of the list to the right edge of the window if its horizontal bounds
4834 // overflow. Include space for the scrollbar.
4835 x: target_position
4836 .x
4837 .min((viewport_bounds.right() - max_width).max(Pixels::ZERO)),
4838 y: if y_flipped {
4839 bottom_y_when_flipped
4840 } else {
4841 target_position.y
4842 },
4843 };
4844
4845 let mut laid_out_popovers = popovers
4846 .into_iter()
4847 .map(|(popover_type, element, size)| {
4848 if y_flipped {
4849 current_position.y -= size.height;
4850 }
4851 let position = current_position;
4852 window.defer_draw(element, current_position, 1);
4853 if !y_flipped {
4854 current_position.y += size.height + MENU_GAP;
4855 } else {
4856 current_position.y -= MENU_GAP;
4857 }
4858 (popover_type, Bounds::new(position, size))
4859 })
4860 .collect::<Vec<_>>();
4861
4862 if y_flipped {
4863 laid_out_popovers.reverse();
4864 }
4865
4866 Some((laid_out_popovers, y_flipped))
4867 })
4868 }
4869
4870 fn layout_context_menu_aside(
4871 &self,
4872 y_flipped: bool,
4873 menu_bounds: Bounds<Pixels>,
4874 target_bounds: Bounds<Pixels>,
4875 max_target_bounds: Bounds<Pixels>,
4876 max_height: Pixels,
4877 must_place_above_or_below: bool,
4878 text_hitbox: &Hitbox,
4879 viewport_bounds: Bounds<Pixels>,
4880 window: &mut Window,
4881 cx: &mut App,
4882 ) -> Option<Bounds<Pixels>> {
4883 let available_within_viewport = target_bounds.space_within(&viewport_bounds);
4884 let positioned_aside = if available_within_viewport.right >= MENU_ASIDE_MIN_WIDTH
4885 && !must_place_above_or_below
4886 {
4887 let max_width = cmp::min(
4888 available_within_viewport.right - px(1.),
4889 MENU_ASIDE_MAX_WIDTH,
4890 );
4891 let mut aside = self.render_context_menu_aside(
4892 size(max_width, max_height - POPOVER_Y_PADDING),
4893 window,
4894 cx,
4895 )?;
4896 let size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4897 let right_position = point(target_bounds.right(), menu_bounds.origin.y);
4898 Some((aside, right_position, size))
4899 } else {
4900 let max_size = size(
4901 // TODO(mgsloan): Once the menu is bounded by viewport width the bound on viewport
4902 // won't be needed here.
4903 cmp::min(
4904 cmp::max(menu_bounds.size.width - px(2.), MENU_ASIDE_MIN_WIDTH),
4905 viewport_bounds.right(),
4906 ),
4907 cmp::min(
4908 max_height,
4909 cmp::max(
4910 available_within_viewport.top,
4911 available_within_viewport.bottom,
4912 ),
4913 ) - POPOVER_Y_PADDING,
4914 );
4915 let mut aside = self.render_context_menu_aside(max_size, window, cx)?;
4916 let actual_size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4917
4918 let top_position = point(
4919 menu_bounds.origin.x,
4920 target_bounds.top() - actual_size.height,
4921 );
4922 let bottom_position = point(menu_bounds.origin.x, target_bounds.bottom());
4923
4924 let fit_within = |available: Edges<Pixels>, wanted: Size<Pixels>| {
4925 // Prefer to fit on the same side of the line as the menu, then on the other side of
4926 // the line.
4927 if !y_flipped && wanted.height < available.bottom {
4928 Some(bottom_position)
4929 } else if !y_flipped && wanted.height < available.top {
4930 Some(top_position)
4931 } else if y_flipped && wanted.height < available.top {
4932 Some(top_position)
4933 } else if y_flipped && wanted.height < available.bottom {
4934 Some(bottom_position)
4935 } else {
4936 None
4937 }
4938 };
4939
4940 // Prefer choosing a direction using max sizes rather than actual size for stability.
4941 let available_within_text = max_target_bounds.space_within(&text_hitbox.bounds);
4942 let wanted = size(MENU_ASIDE_MAX_WIDTH, max_height);
4943 let aside_position = fit_within(available_within_text, wanted)
4944 // Fallback: fit max size in window.
4945 .or_else(|| fit_within(max_target_bounds.space_within(&viewport_bounds), wanted))
4946 // Fallback: fit actual size in window.
4947 .or_else(|| fit_within(available_within_viewport, actual_size));
4948
4949 aside_position.map(|position| (aside, position, actual_size))
4950 };
4951
4952 // Skip drawing if it doesn't fit anywhere.
4953 if let Some((aside, position, size)) = positioned_aside {
4954 let aside_bounds = Bounds::new(position, size);
4955 window.defer_draw(aside, position, 2);
4956 return Some(aside_bounds);
4957 }
4958
4959 None
4960 }
4961
4962 fn render_context_menu(
4963 &self,
4964 line_height: Pixels,
4965 height: Pixels,
4966 window: &mut Window,
4967 cx: &mut App,
4968 ) -> Option<AnyElement> {
4969 let max_height_in_lines = ((height - POPOVER_Y_PADDING) / line_height).floor() as u32;
4970 self.editor.update(cx, |editor, cx| {
4971 editor.render_context_menu(&self.style, max_height_in_lines, window, cx)
4972 })
4973 }
4974
4975 fn render_context_menu_aside(
4976 &self,
4977 max_size: Size<Pixels>,
4978 window: &mut Window,
4979 cx: &mut App,
4980 ) -> Option<AnyElement> {
4981 if max_size.width < px(100.) || max_size.height < px(12.) {
4982 None
4983 } else {
4984 self.editor.update(cx, |editor, cx| {
4985 editor.render_context_menu_aside(max_size, window, cx)
4986 })
4987 }
4988 }
4989
4990 fn layout_mouse_context_menu(
4991 &self,
4992 editor_snapshot: &EditorSnapshot,
4993 visible_range: Range<DisplayRow>,
4994 content_origin: gpui::Point<Pixels>,
4995 window: &mut Window,
4996 cx: &mut App,
4997 ) -> Option<AnyElement> {
4998 let position = self.editor.update(cx, |editor, _cx| {
4999 let visible_start_point = editor.display_to_pixel_point(
5000 DisplayPoint::new(visible_range.start, 0),
5001 editor_snapshot,
5002 window,
5003 )?;
5004 let visible_end_point = editor.display_to_pixel_point(
5005 DisplayPoint::new(visible_range.end, 0),
5006 editor_snapshot,
5007 window,
5008 )?;
5009
5010 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
5011 let (source_display_point, position) = match mouse_context_menu.position {
5012 MenuPosition::PinnedToScreen(point) => (None, point),
5013 MenuPosition::PinnedToEditor { source, offset } => {
5014 let source_display_point = source.to_display_point(editor_snapshot);
5015 let source_point = editor.to_pixel_point(source, editor_snapshot, window)?;
5016 let position = content_origin + source_point + offset;
5017 (Some(source_display_point), position)
5018 }
5019 };
5020
5021 let source_included = source_display_point.is_none_or(|source_display_point| {
5022 visible_range
5023 .to_inclusive()
5024 .contains(&source_display_point.row())
5025 });
5026 let position_included =
5027 visible_start_point.y <= position.y && position.y <= visible_end_point.y;
5028 if !source_included && !position_included {
5029 None
5030 } else {
5031 Some(position)
5032 }
5033 })?;
5034
5035 let text_style = TextStyleRefinement {
5036 line_height: Some(DefiniteLength::Fraction(
5037 BufferLineHeight::Comfortable.value(),
5038 )),
5039 ..Default::default()
5040 };
5041 window.with_text_style(Some(text_style), |window| {
5042 let mut element = self.editor.read_with(cx, |editor, _| {
5043 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
5044 let context_menu = mouse_context_menu.context_menu.clone();
5045
5046 Some(
5047 deferred(
5048 anchored()
5049 .position(position)
5050 .child(context_menu)
5051 .anchor(Corner::TopLeft)
5052 .snap_to_window_with_margin(px(8.)),
5053 )
5054 .with_priority(1)
5055 .into_any(),
5056 )
5057 })?;
5058
5059 element.prepaint_as_root(position, AvailableSpace::min_size(), window, cx);
5060 Some(element)
5061 })
5062 }
5063
5064 fn layout_hover_popovers(
5065 &self,
5066 snapshot: &EditorSnapshot,
5067 hitbox: &Hitbox,
5068 visible_display_row_range: Range<DisplayRow>,
5069 content_origin: gpui::Point<Pixels>,
5070 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5071 line_layouts: &[LineWithInvisibles],
5072 line_height: Pixels,
5073 em_width: Pixels,
5074 context_menu_layout: Option<ContextMenuLayout>,
5075 window: &mut Window,
5076 cx: &mut App,
5077 ) {
5078 struct MeasuredHoverPopover {
5079 element: AnyElement,
5080 size: Size<Pixels>,
5081 horizontal_offset: Pixels,
5082 }
5083
5084 let max_size = size(
5085 (120. * em_width) // Default size
5086 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5087 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5088 (16. * line_height) // Default size
5089 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5090 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5091 );
5092
5093 let hover_popovers = self.editor.update(cx, |editor, cx| {
5094 editor.hover_state.render(
5095 snapshot,
5096 visible_display_row_range.clone(),
5097 max_size,
5098 window,
5099 cx,
5100 )
5101 });
5102 let Some((position, hover_popovers)) = hover_popovers else {
5103 return;
5104 };
5105
5106 // This is safe because we check on layout whether the required row is available
5107 let hovered_row_layout =
5108 &line_layouts[position.row().minus(visible_display_row_range.start) as usize];
5109
5110 // Compute Hovered Point
5111 let x = hovered_row_layout.x_for_index(position.column() as usize)
5112 - Pixels::from(scroll_pixel_position.x);
5113 let y = Pixels::from(
5114 position.row().as_f64() * ScrollPixelOffset::from(line_height)
5115 - scroll_pixel_position.y,
5116 );
5117 let hovered_point = content_origin + point(x, y);
5118
5119 let mut overall_height = Pixels::ZERO;
5120 let mut measured_hover_popovers = Vec::new();
5121 for (position, mut hover_popover) in hover_popovers.into_iter().with_position() {
5122 let size = hover_popover.layout_as_root(AvailableSpace::min_size(), window, cx);
5123 let horizontal_offset =
5124 (hitbox.top_right().x - POPOVER_RIGHT_OFFSET - (hovered_point.x + size.width))
5125 .min(Pixels::ZERO);
5126 match position {
5127 itertools::Position::Middle | itertools::Position::Last => {
5128 overall_height += HOVER_POPOVER_GAP
5129 }
5130 _ => {}
5131 }
5132 overall_height += size.height;
5133 measured_hover_popovers.push(MeasuredHoverPopover {
5134 element: hover_popover,
5135 size,
5136 horizontal_offset,
5137 });
5138 }
5139
5140 fn draw_occluder(
5141 width: Pixels,
5142 origin: gpui::Point<Pixels>,
5143 window: &mut Window,
5144 cx: &mut App,
5145 ) {
5146 let mut occlusion = div()
5147 .size_full()
5148 .occlude()
5149 .on_mouse_move(|_, _, cx| cx.stop_propagation())
5150 .into_any_element();
5151 occlusion.layout_as_root(size(width, HOVER_POPOVER_GAP).into(), window, cx);
5152 window.defer_draw(occlusion, origin, 2);
5153 }
5154
5155 fn place_popovers_above(
5156 hovered_point: gpui::Point<Pixels>,
5157 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5158 window: &mut Window,
5159 cx: &mut App,
5160 ) {
5161 let mut current_y = hovered_point.y;
5162 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5163 let size = popover.size;
5164 let popover_origin = point(
5165 hovered_point.x + popover.horizontal_offset,
5166 current_y - size.height,
5167 );
5168
5169 window.defer_draw(popover.element, popover_origin, 2);
5170 if position != itertools::Position::Last {
5171 let origin = point(popover_origin.x, popover_origin.y - HOVER_POPOVER_GAP);
5172 draw_occluder(size.width, origin, window, cx);
5173 }
5174
5175 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5176 }
5177 }
5178
5179 fn place_popovers_below(
5180 hovered_point: gpui::Point<Pixels>,
5181 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5182 line_height: Pixels,
5183 window: &mut Window,
5184 cx: &mut App,
5185 ) {
5186 let mut current_y = hovered_point.y + line_height;
5187 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5188 let size = popover.size;
5189 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5190
5191 window.defer_draw(popover.element, popover_origin, 2);
5192 if position != itertools::Position::Last {
5193 let origin = point(popover_origin.x, popover_origin.y + size.height);
5194 draw_occluder(size.width, origin, window, cx);
5195 }
5196
5197 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5198 }
5199 }
5200
5201 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5202 context_menu_layout
5203 .as_ref()
5204 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5205 };
5206
5207 let can_place_above = {
5208 let mut bounds_above = Vec::new();
5209 let mut current_y = hovered_point.y;
5210 for popover in &measured_hover_popovers {
5211 let size = popover.size;
5212 let popover_origin = point(
5213 hovered_point.x + popover.horizontal_offset,
5214 current_y - size.height,
5215 );
5216 bounds_above.push(Bounds::new(popover_origin, size));
5217 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5218 }
5219 bounds_above
5220 .iter()
5221 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5222 };
5223
5224 let can_place_below = || {
5225 let mut bounds_below = Vec::new();
5226 let mut current_y = hovered_point.y + line_height;
5227 for popover in &measured_hover_popovers {
5228 let size = popover.size;
5229 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5230 bounds_below.push(Bounds::new(popover_origin, size));
5231 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5232 }
5233 bounds_below
5234 .iter()
5235 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5236 };
5237
5238 if can_place_above {
5239 // try placing above hovered point
5240 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5241 } else if can_place_below() {
5242 // try placing below hovered point
5243 place_popovers_below(
5244 hovered_point,
5245 measured_hover_popovers,
5246 line_height,
5247 window,
5248 cx,
5249 );
5250 } else {
5251 // try to place popovers around the context menu
5252 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5253 let total_width = measured_hover_popovers
5254 .iter()
5255 .map(|p| p.size.width)
5256 .max()
5257 .unwrap_or(Pixels::ZERO);
5258 let y_for_horizontal_positioning = if menu.y_flipped {
5259 menu.bounds.bottom() - overall_height
5260 } else {
5261 menu.bounds.top()
5262 };
5263 let possible_origins = vec![
5264 // left of context menu
5265 point(
5266 menu.bounds.left() - total_width - HOVER_POPOVER_GAP,
5267 y_for_horizontal_positioning,
5268 ),
5269 // right of context menu
5270 point(
5271 menu.bounds.right() + HOVER_POPOVER_GAP,
5272 y_for_horizontal_positioning,
5273 ),
5274 // top of context menu
5275 point(
5276 menu.bounds.left(),
5277 menu.bounds.top() - overall_height - HOVER_POPOVER_GAP,
5278 ),
5279 // bottom of context menu
5280 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5281 ];
5282 possible_origins.into_iter().find(|&origin| {
5283 Bounds::new(origin, size(total_width, overall_height))
5284 .is_contained_within(hitbox)
5285 })
5286 });
5287 if let Some(origin) = origin_surrounding_menu {
5288 let mut current_y = origin.y;
5289 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5290 let size = popover.size;
5291 let popover_origin = point(origin.x, current_y);
5292
5293 window.defer_draw(popover.element, popover_origin, 2);
5294 if position != itertools::Position::Last {
5295 let origin = point(popover_origin.x, popover_origin.y + size.height);
5296 draw_occluder(size.width, origin, window, cx);
5297 }
5298
5299 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5300 }
5301 } else {
5302 // fallback to existing above/below cursor logic
5303 // this might overlap menu or overflow in rare case
5304 if can_place_above {
5305 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5306 } else {
5307 place_popovers_below(
5308 hovered_point,
5309 measured_hover_popovers,
5310 line_height,
5311 window,
5312 cx,
5313 );
5314 }
5315 }
5316 }
5317 }
5318
5319 fn layout_diff_hunk_controls(
5320 &self,
5321 row_range: Range<DisplayRow>,
5322 row_infos: &[RowInfo],
5323 text_hitbox: &Hitbox,
5324 newest_cursor_position: Option<DisplayPoint>,
5325 line_height: Pixels,
5326 right_margin: Pixels,
5327 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5328 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
5329 highlighted_rows: &BTreeMap<DisplayRow, LineHighlight>,
5330 editor: Entity<Editor>,
5331 window: &mut Window,
5332 cx: &mut App,
5333 ) -> (Vec<AnyElement>, Vec<(DisplayRow, Bounds<Pixels>)>) {
5334 let render_diff_hunk_controls = editor.read(cx).render_diff_hunk_controls.clone();
5335 let hovered_diff_hunk_row = editor.read(cx).hovered_diff_hunk_row;
5336
5337 let mut controls = vec![];
5338 let mut control_bounds = vec![];
5339
5340 let active_positions = [
5341 hovered_diff_hunk_row.map(|row| DisplayPoint::new(row, 0)),
5342 newest_cursor_position,
5343 ];
5344
5345 for (hunk, _) in display_hunks {
5346 if let DisplayDiffHunk::Unfolded {
5347 display_row_range,
5348 multi_buffer_range,
5349 status,
5350 is_created_file,
5351 ..
5352 } = &hunk
5353 {
5354 if display_row_range.start < row_range.start
5355 || display_row_range.start >= row_range.end
5356 {
5357 continue;
5358 }
5359 if highlighted_rows
5360 .get(&display_row_range.start)
5361 .and_then(|highlight| highlight.type_id)
5362 .is_some_and(|type_id| {
5363 [
5364 TypeId::of::<ConflictsOuter>(),
5365 TypeId::of::<ConflictsOursMarker>(),
5366 TypeId::of::<ConflictsOurs>(),
5367 TypeId::of::<ConflictsTheirs>(),
5368 TypeId::of::<ConflictsTheirsMarker>(),
5369 ]
5370 .contains(&type_id)
5371 })
5372 {
5373 continue;
5374 }
5375 let row_ix = (display_row_range.start - row_range.start).0 as usize;
5376 if row_infos[row_ix].diff_status.is_none() {
5377 continue;
5378 }
5379 if row_infos[row_ix]
5380 .diff_status
5381 .is_some_and(|status| status.is_added())
5382 && !status.is_added()
5383 {
5384 continue;
5385 }
5386
5387 if active_positions
5388 .iter()
5389 .any(|p| p.is_some_and(|p| display_row_range.contains(&p.row())))
5390 {
5391 let y = (display_row_range.start.as_f64()
5392 * ScrollPixelOffset::from(line_height)
5393 + ScrollPixelOffset::from(text_hitbox.bounds.top())
5394 - scroll_pixel_position.y)
5395 .into();
5396
5397 let mut element = render_diff_hunk_controls(
5398 display_row_range.start.0,
5399 status,
5400 multi_buffer_range.clone(),
5401 *is_created_file,
5402 line_height,
5403 &editor,
5404 window,
5405 cx,
5406 );
5407 let size =
5408 element.layout_as_root(size(px(100.0), line_height).into(), window, cx);
5409
5410 let x = text_hitbox.bounds.right() - right_margin - px(10.) - size.width;
5411
5412 let bounds = Bounds::new(gpui::Point::new(x, y), size);
5413 control_bounds.push((display_row_range.start, bounds));
5414
5415 window.with_absolute_element_offset(gpui::Point::new(x, y), |window| {
5416 element.prepaint(window, cx)
5417 });
5418 controls.push(element);
5419 }
5420 }
5421 }
5422
5423 (controls, control_bounds)
5424 }
5425
5426 fn layout_signature_help(
5427 &self,
5428 hitbox: &Hitbox,
5429 content_origin: gpui::Point<Pixels>,
5430 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5431 newest_selection_head: Option<DisplayPoint>,
5432 start_row: DisplayRow,
5433 line_layouts: &[LineWithInvisibles],
5434 line_height: Pixels,
5435 em_width: Pixels,
5436 context_menu_layout: Option<ContextMenuLayout>,
5437 window: &mut Window,
5438 cx: &mut App,
5439 ) {
5440 if !self.editor.focus_handle(cx).is_focused(window) {
5441 return;
5442 }
5443 let Some(newest_selection_head) = newest_selection_head else {
5444 return;
5445 };
5446
5447 let max_size = size(
5448 (120. * em_width) // Default size
5449 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5450 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5451 (16. * line_height) // Default size
5452 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5453 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5454 );
5455
5456 let maybe_element = self.editor.update(cx, |editor, cx| {
5457 if let Some(popover) = editor.signature_help_state.popover_mut() {
5458 let element = popover.render(max_size, window, cx);
5459 Some(element)
5460 } else {
5461 None
5462 }
5463 });
5464 let Some(mut element) = maybe_element else {
5465 return;
5466 };
5467
5468 let selection_row = newest_selection_head.row();
5469 let Some(cursor_row_layout) = (selection_row >= start_row)
5470 .then(|| line_layouts.get(selection_row.minus(start_row) as usize))
5471 .flatten()
5472 else {
5473 return;
5474 };
5475
5476 let target_x = cursor_row_layout.x_for_index(newest_selection_head.column() as usize)
5477 - Pixels::from(scroll_pixel_position.x);
5478 let target_y = Pixels::from(
5479 selection_row.as_f64() * ScrollPixelOffset::from(line_height) - scroll_pixel_position.y,
5480 );
5481 let target_point = content_origin + point(target_x, target_y);
5482
5483 let actual_size = element.layout_as_root(Size::<AvailableSpace>::default(), window, cx);
5484
5485 let (popover_bounds_above, popover_bounds_below) = {
5486 let horizontal_offset = (hitbox.top_right().x
5487 - POPOVER_RIGHT_OFFSET
5488 - (target_point.x + actual_size.width))
5489 .min(Pixels::ZERO);
5490 let initial_x = target_point.x + horizontal_offset;
5491 (
5492 Bounds::new(
5493 point(initial_x, target_point.y - actual_size.height),
5494 actual_size,
5495 ),
5496 Bounds::new(
5497 point(initial_x, target_point.y + line_height + HOVER_POPOVER_GAP),
5498 actual_size,
5499 ),
5500 )
5501 };
5502
5503 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5504 context_menu_layout
5505 .as_ref()
5506 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5507 };
5508
5509 let final_origin = if popover_bounds_above.is_contained_within(hitbox)
5510 && !intersects_menu(popover_bounds_above)
5511 {
5512 // try placing above cursor
5513 popover_bounds_above.origin
5514 } else if popover_bounds_below.is_contained_within(hitbox)
5515 && !intersects_menu(popover_bounds_below)
5516 {
5517 // try placing below cursor
5518 popover_bounds_below.origin
5519 } else {
5520 // try surrounding context menu if exists
5521 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5522 let y_for_horizontal_positioning = if menu.y_flipped {
5523 menu.bounds.bottom() - actual_size.height
5524 } else {
5525 menu.bounds.top()
5526 };
5527 let possible_origins = vec![
5528 // left of context menu
5529 point(
5530 menu.bounds.left() - actual_size.width - HOVER_POPOVER_GAP,
5531 y_for_horizontal_positioning,
5532 ),
5533 // right of context menu
5534 point(
5535 menu.bounds.right() + HOVER_POPOVER_GAP,
5536 y_for_horizontal_positioning,
5537 ),
5538 // top of context menu
5539 point(
5540 menu.bounds.left(),
5541 menu.bounds.top() - actual_size.height - HOVER_POPOVER_GAP,
5542 ),
5543 // bottom of context menu
5544 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5545 ];
5546 possible_origins
5547 .into_iter()
5548 .find(|&origin| Bounds::new(origin, actual_size).is_contained_within(hitbox))
5549 });
5550 origin_surrounding_menu.unwrap_or_else(|| {
5551 // fallback to existing above/below cursor logic
5552 // this might overlap menu or overflow in rare case
5553 if popover_bounds_above.is_contained_within(hitbox) {
5554 popover_bounds_above.origin
5555 } else {
5556 popover_bounds_below.origin
5557 }
5558 })
5559 };
5560
5561 window.defer_draw(element, final_origin, 2);
5562 }
5563
5564 fn paint_background(&self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
5565 window.paint_layer(layout.hitbox.bounds, |window| {
5566 let scroll_top = layout.position_map.snapshot.scroll_position().y;
5567 let gutter_bg = cx.theme().colors().editor_gutter_background;
5568 window.paint_quad(fill(layout.gutter_hitbox.bounds, gutter_bg));
5569 window.paint_quad(fill(
5570 layout.position_map.text_hitbox.bounds,
5571 self.style.background,
5572 ));
5573
5574 if matches!(
5575 layout.mode,
5576 EditorMode::Full { .. } | EditorMode::Minimap { .. }
5577 ) {
5578 let show_active_line_background = match layout.mode {
5579 EditorMode::Full {
5580 show_active_line_background,
5581 ..
5582 } => show_active_line_background,
5583 EditorMode::Minimap { .. } => true,
5584 _ => false,
5585 };
5586 let mut active_rows = layout.active_rows.iter().peekable();
5587 while let Some((start_row, contains_non_empty_selection)) = active_rows.next() {
5588 let mut end_row = start_row.0;
5589 while active_rows
5590 .peek()
5591 .is_some_and(|(active_row, has_selection)| {
5592 active_row.0 == end_row + 1
5593 && has_selection.selection == contains_non_empty_selection.selection
5594 })
5595 {
5596 active_rows.next().unwrap();
5597 end_row += 1;
5598 }
5599
5600 if show_active_line_background && !contains_non_empty_selection.selection {
5601 let highlight_h_range =
5602 match layout.position_map.snapshot.current_line_highlight {
5603 CurrentLineHighlight::Gutter => Some(Range {
5604 start: layout.hitbox.left(),
5605 end: layout.gutter_hitbox.right(),
5606 }),
5607 CurrentLineHighlight::Line => Some(Range {
5608 start: layout.position_map.text_hitbox.bounds.left(),
5609 end: layout.position_map.text_hitbox.bounds.right(),
5610 }),
5611 CurrentLineHighlight::All => Some(Range {
5612 start: layout.hitbox.left(),
5613 end: layout.hitbox.right(),
5614 }),
5615 CurrentLineHighlight::None => None,
5616 };
5617 if let Some(range) = highlight_h_range {
5618 let active_line_bg = cx.theme().colors().editor_active_line_background;
5619 let bounds = Bounds {
5620 origin: point(
5621 range.start,
5622 layout.hitbox.origin.y
5623 + Pixels::from(
5624 (start_row.as_f64() - scroll_top)
5625 * ScrollPixelOffset::from(
5626 layout.position_map.line_height,
5627 ),
5628 ),
5629 ),
5630 size: size(
5631 range.end - range.start,
5632 layout.position_map.line_height
5633 * (end_row - start_row.0 + 1) as f32,
5634 ),
5635 };
5636 window.paint_quad(fill(bounds, active_line_bg));
5637 }
5638 }
5639 }
5640
5641 let mut paint_highlight = |highlight_row_start: DisplayRow,
5642 highlight_row_end: DisplayRow,
5643 highlight: crate::LineHighlight,
5644 edges| {
5645 let mut origin_x = layout.hitbox.left();
5646 let mut width = layout.hitbox.size.width;
5647 if !highlight.include_gutter {
5648 origin_x += layout.gutter_hitbox.size.width;
5649 width -= layout.gutter_hitbox.size.width;
5650 }
5651
5652 let origin = point(
5653 origin_x,
5654 layout.hitbox.origin.y
5655 + Pixels::from(
5656 (highlight_row_start.as_f64() - scroll_top)
5657 * ScrollPixelOffset::from(layout.position_map.line_height),
5658 ),
5659 );
5660 let size = size(
5661 width,
5662 layout.position_map.line_height
5663 * highlight_row_end.next_row().minus(highlight_row_start) as f32,
5664 );
5665 let mut quad = fill(Bounds { origin, size }, highlight.background);
5666 if let Some(border_color) = highlight.border {
5667 quad.border_color = border_color;
5668 quad.border_widths = edges
5669 }
5670 window.paint_quad(quad);
5671 };
5672
5673 let mut current_paint: Option<(LineHighlight, Range<DisplayRow>, Edges<Pixels>)> =
5674 None;
5675 for (&new_row, &new_background) in &layout.highlighted_rows {
5676 match &mut current_paint {
5677 &mut Some((current_background, ref mut current_range, mut edges)) => {
5678 let new_range_started = current_background != new_background
5679 || current_range.end.next_row() != new_row;
5680 if new_range_started {
5681 if current_range.end.next_row() == new_row {
5682 edges.bottom = px(0.);
5683 };
5684 paint_highlight(
5685 current_range.start,
5686 current_range.end,
5687 current_background,
5688 edges,
5689 );
5690 let edges = Edges {
5691 top: if current_range.end.next_row() != new_row {
5692 px(1.)
5693 } else {
5694 px(0.)
5695 },
5696 bottom: px(1.),
5697 ..Default::default()
5698 };
5699 current_paint = Some((new_background, new_row..new_row, edges));
5700 continue;
5701 } else {
5702 current_range.end = current_range.end.next_row();
5703 }
5704 }
5705 None => {
5706 let edges = Edges {
5707 top: px(1.),
5708 bottom: px(1.),
5709 ..Default::default()
5710 };
5711 current_paint = Some((new_background, new_row..new_row, edges))
5712 }
5713 };
5714 }
5715 if let Some((color, range, edges)) = current_paint {
5716 paint_highlight(range.start, range.end, color, edges);
5717 }
5718
5719 for (guide_x, active) in layout.wrap_guides.iter() {
5720 let color = if *active {
5721 cx.theme().colors().editor_active_wrap_guide
5722 } else {
5723 cx.theme().colors().editor_wrap_guide
5724 };
5725 window.paint_quad(fill(
5726 Bounds {
5727 origin: point(*guide_x, layout.position_map.text_hitbox.origin.y),
5728 size: size(px(1.), layout.position_map.text_hitbox.size.height),
5729 },
5730 color,
5731 ));
5732 }
5733 }
5734 })
5735 }
5736
5737 fn paint_indent_guides(
5738 &mut self,
5739 layout: &mut EditorLayout,
5740 window: &mut Window,
5741 cx: &mut App,
5742 ) {
5743 let Some(indent_guides) = &layout.indent_guides else {
5744 return;
5745 };
5746
5747 let faded_color = |color: Hsla, alpha: f32| {
5748 let mut faded = color;
5749 faded.a = alpha;
5750 faded
5751 };
5752
5753 for indent_guide in indent_guides {
5754 let indent_accent_colors = cx.theme().accents().color_for_index(indent_guide.depth);
5755 let settings = &indent_guide.settings;
5756
5757 // TODO fixed for now, expose them through themes later
5758 const INDENT_AWARE_ALPHA: f32 = 0.2;
5759 const INDENT_AWARE_ACTIVE_ALPHA: f32 = 0.4;
5760 const INDENT_AWARE_BACKGROUND_ALPHA: f32 = 0.1;
5761 const INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA: f32 = 0.2;
5762
5763 let line_color = match (settings.coloring, indent_guide.active) {
5764 (IndentGuideColoring::Disabled, _) => None,
5765 (IndentGuideColoring::Fixed, false) => {
5766 Some(cx.theme().colors().editor_indent_guide)
5767 }
5768 (IndentGuideColoring::Fixed, true) => {
5769 Some(cx.theme().colors().editor_indent_guide_active)
5770 }
5771 (IndentGuideColoring::IndentAware, false) => {
5772 Some(faded_color(indent_accent_colors, INDENT_AWARE_ALPHA))
5773 }
5774 (IndentGuideColoring::IndentAware, true) => {
5775 Some(faded_color(indent_accent_colors, INDENT_AWARE_ACTIVE_ALPHA))
5776 }
5777 };
5778
5779 let background_color = match (settings.background_coloring, indent_guide.active) {
5780 (IndentGuideBackgroundColoring::Disabled, _) => None,
5781 (IndentGuideBackgroundColoring::IndentAware, false) => Some(faded_color(
5782 indent_accent_colors,
5783 INDENT_AWARE_BACKGROUND_ALPHA,
5784 )),
5785 (IndentGuideBackgroundColoring::IndentAware, true) => Some(faded_color(
5786 indent_accent_colors,
5787 INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA,
5788 )),
5789 };
5790
5791 let requested_line_width = if indent_guide.active {
5792 settings.active_line_width
5793 } else {
5794 settings.line_width
5795 }
5796 .clamp(1, 10);
5797 let mut line_indicator_width = 0.;
5798 if let Some(color) = line_color {
5799 window.paint_quad(fill(
5800 Bounds {
5801 origin: indent_guide.origin,
5802 size: size(px(requested_line_width as f32), indent_guide.length),
5803 },
5804 color,
5805 ));
5806 line_indicator_width = requested_line_width as f32;
5807 }
5808
5809 if let Some(color) = background_color {
5810 let width = indent_guide.single_indent_width - px(line_indicator_width);
5811 window.paint_quad(fill(
5812 Bounds {
5813 origin: point(
5814 indent_guide.origin.x + px(line_indicator_width),
5815 indent_guide.origin.y,
5816 ),
5817 size: size(width, indent_guide.length),
5818 },
5819 color,
5820 ));
5821 }
5822 }
5823 }
5824
5825 fn paint_line_numbers(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5826 let is_singleton = self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
5827
5828 let line_height = layout.position_map.line_height;
5829 window.set_cursor_style(CursorStyle::Arrow, &layout.gutter_hitbox);
5830
5831 for LineNumberLayout {
5832 shaped_line,
5833 hitbox,
5834 } in layout.line_numbers.values()
5835 {
5836 let Some(hitbox) = hitbox else {
5837 continue;
5838 };
5839
5840 let Some(()) = (if !is_singleton && hitbox.is_hovered(window) {
5841 let color = cx.theme().colors().editor_hover_line_number;
5842
5843 let line = self.shape_line_number(shaped_line.text.clone(), color, window);
5844 line.paint(hitbox.origin, line_height, window, cx).log_err()
5845 } else {
5846 shaped_line
5847 .paint(hitbox.origin, line_height, window, cx)
5848 .log_err()
5849 }) else {
5850 continue;
5851 };
5852
5853 // In singleton buffers, we select corresponding lines on the line number click, so use | -like cursor.
5854 // In multi buffers, we open file at the line number clicked, so use a pointing hand cursor.
5855 if is_singleton {
5856 window.set_cursor_style(CursorStyle::IBeam, hitbox);
5857 } else {
5858 window.set_cursor_style(CursorStyle::PointingHand, hitbox);
5859 }
5860 }
5861 }
5862
5863 fn paint_gutter_diff_hunks(layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5864 if layout.display_hunks.is_empty() {
5865 return;
5866 }
5867
5868 let line_height = layout.position_map.line_height;
5869 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5870 for (hunk, hitbox) in &layout.display_hunks {
5871 let hunk_to_paint = match hunk {
5872 DisplayDiffHunk::Folded { .. } => {
5873 let hunk_bounds = Self::diff_hunk_bounds(
5874 &layout.position_map.snapshot,
5875 line_height,
5876 layout.gutter_hitbox.bounds,
5877 hunk,
5878 );
5879 Some((
5880 hunk_bounds,
5881 cx.theme().colors().version_control_modified,
5882 Corners::all(px(0.)),
5883 DiffHunkStatus::modified_none(),
5884 ))
5885 }
5886 DisplayDiffHunk::Unfolded {
5887 status,
5888 display_row_range,
5889 ..
5890 } => hitbox.as_ref().map(|hunk_hitbox| match status.kind {
5891 DiffHunkStatusKind::Added => (
5892 hunk_hitbox.bounds,
5893 cx.theme().colors().version_control_added,
5894 Corners::all(px(0.)),
5895 *status,
5896 ),
5897 DiffHunkStatusKind::Modified => (
5898 hunk_hitbox.bounds,
5899 cx.theme().colors().version_control_modified,
5900 Corners::all(px(0.)),
5901 *status,
5902 ),
5903 DiffHunkStatusKind::Deleted if !display_row_range.is_empty() => (
5904 hunk_hitbox.bounds,
5905 cx.theme().colors().version_control_deleted,
5906 Corners::all(px(0.)),
5907 *status,
5908 ),
5909 DiffHunkStatusKind::Deleted => (
5910 Bounds::new(
5911 point(
5912 hunk_hitbox.origin.x - hunk_hitbox.size.width,
5913 hunk_hitbox.origin.y,
5914 ),
5915 size(hunk_hitbox.size.width * 2., hunk_hitbox.size.height),
5916 ),
5917 cx.theme().colors().version_control_deleted,
5918 Corners::all(1. * line_height),
5919 *status,
5920 ),
5921 }),
5922 };
5923
5924 if let Some((hunk_bounds, background_color, corner_radii, status)) = hunk_to_paint {
5925 // Flatten the background color with the editor color to prevent
5926 // elements below transparent hunks from showing through
5927 let flattened_background_color = cx
5928 .theme()
5929 .colors()
5930 .editor_background
5931 .blend(background_color);
5932
5933 if !Self::diff_hunk_hollow(status, cx) {
5934 window.paint_quad(quad(
5935 hunk_bounds,
5936 corner_radii,
5937 flattened_background_color,
5938 Edges::default(),
5939 transparent_black(),
5940 BorderStyle::default(),
5941 ));
5942 } else {
5943 let flattened_unstaged_background_color = cx
5944 .theme()
5945 .colors()
5946 .editor_background
5947 .blend(background_color.opacity(0.3));
5948
5949 window.paint_quad(quad(
5950 hunk_bounds,
5951 corner_radii,
5952 flattened_unstaged_background_color,
5953 Edges::all(px(1.0)),
5954 flattened_background_color,
5955 BorderStyle::Solid,
5956 ));
5957 }
5958 }
5959 }
5960 });
5961 }
5962
5963 fn gutter_strip_width(line_height: Pixels) -> Pixels {
5964 (0.275 * line_height).floor()
5965 }
5966
5967 fn diff_hunk_bounds(
5968 snapshot: &EditorSnapshot,
5969 line_height: Pixels,
5970 gutter_bounds: Bounds<Pixels>,
5971 hunk: &DisplayDiffHunk,
5972 ) -> Bounds<Pixels> {
5973 let scroll_position = snapshot.scroll_position();
5974 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
5975 let gutter_strip_width = Self::gutter_strip_width(line_height);
5976
5977 match hunk {
5978 DisplayDiffHunk::Folded { display_row, .. } => {
5979 let start_y = (display_row.as_f64() * ScrollPixelOffset::from(line_height)
5980 - scroll_top)
5981 .into();
5982 let end_y = start_y + line_height;
5983 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
5984 let highlight_size = size(gutter_strip_width, end_y - start_y);
5985 Bounds::new(highlight_origin, highlight_size)
5986 }
5987 DisplayDiffHunk::Unfolded {
5988 display_row_range,
5989 status,
5990 ..
5991 } => {
5992 if status.is_deleted() && display_row_range.is_empty() {
5993 let row = display_row_range.start;
5994
5995 let offset = ScrollPixelOffset::from(line_height / 2.);
5996 let start_y =
5997 (row.as_f64() * ScrollPixelOffset::from(line_height) - offset - scroll_top)
5998 .into();
5999 let end_y = start_y + line_height;
6000
6001 let width = (0.35 * line_height).floor();
6002 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6003 let highlight_size = size(width, end_y - start_y);
6004 Bounds::new(highlight_origin, highlight_size)
6005 } else {
6006 let start_row = display_row_range.start;
6007 let end_row = display_row_range.end;
6008 // If we're in a multibuffer, row range span might include an
6009 // excerpt header, so if we were to draw the marker straight away,
6010 // the hunk might include the rows of that header.
6011 // Making the range inclusive doesn't quite cut it, as we rely on the exclusivity for the soft wrap.
6012 // Instead, we simply check whether the range we're dealing with includes
6013 // any excerpt headers and if so, we stop painting the diff hunk on the first row of that header.
6014 let end_row_in_current_excerpt = snapshot
6015 .blocks_in_range(start_row..end_row)
6016 .find_map(|(start_row, block)| {
6017 if matches!(
6018 block,
6019 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
6020 ) {
6021 Some(start_row)
6022 } else {
6023 None
6024 }
6025 })
6026 .unwrap_or(end_row);
6027
6028 let start_y = (start_row.as_f64() * ScrollPixelOffset::from(line_height)
6029 - scroll_top)
6030 .into();
6031 let end_y = Pixels::from(
6032 end_row_in_current_excerpt.as_f64() * ScrollPixelOffset::from(line_height)
6033 - scroll_top,
6034 );
6035
6036 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6037 let highlight_size = size(gutter_strip_width, end_y - start_y);
6038 Bounds::new(highlight_origin, highlight_size)
6039 }
6040 }
6041 }
6042 }
6043
6044 fn paint_gutter_indicators(
6045 &self,
6046 layout: &mut EditorLayout,
6047 window: &mut Window,
6048 cx: &mut App,
6049 ) {
6050 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6051 window.with_element_namespace("crease_toggles", |window| {
6052 for crease_toggle in layout.crease_toggles.iter_mut().flatten() {
6053 crease_toggle.paint(window, cx);
6054 }
6055 });
6056
6057 window.with_element_namespace("expand_toggles", |window| {
6058 for (expand_toggle, _) in layout.expand_toggles.iter_mut().flatten() {
6059 expand_toggle.paint(window, cx);
6060 }
6061 });
6062
6063 for breakpoint in layout.breakpoints.iter_mut() {
6064 breakpoint.paint(window, cx);
6065 }
6066
6067 for test_indicator in layout.test_indicators.iter_mut() {
6068 test_indicator.paint(window, cx);
6069 }
6070 });
6071 }
6072
6073 fn paint_gutter_highlights(
6074 &self,
6075 layout: &mut EditorLayout,
6076 window: &mut Window,
6077 cx: &mut App,
6078 ) {
6079 for (_, hunk_hitbox) in &layout.display_hunks {
6080 if let Some(hunk_hitbox) = hunk_hitbox
6081 && !self
6082 .editor
6083 .read(cx)
6084 .buffer()
6085 .read(cx)
6086 .all_diff_hunks_expanded()
6087 {
6088 window.set_cursor_style(CursorStyle::PointingHand, hunk_hitbox);
6089 }
6090 }
6091
6092 let show_git_gutter = layout
6093 .position_map
6094 .snapshot
6095 .show_git_diff_gutter
6096 .unwrap_or_else(|| {
6097 matches!(
6098 ProjectSettings::get_global(cx).git.git_gutter,
6099 GitGutterSetting::TrackedFiles
6100 )
6101 });
6102 if show_git_gutter {
6103 Self::paint_gutter_diff_hunks(layout, window, cx)
6104 }
6105
6106 let highlight_width = 0.275 * layout.position_map.line_height;
6107 let highlight_corner_radii = Corners::all(0.05 * layout.position_map.line_height);
6108 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6109 for (range, color) in &layout.highlighted_gutter_ranges {
6110 let start_row = if range.start.row() < layout.visible_display_row_range.start {
6111 layout.visible_display_row_range.start - DisplayRow(1)
6112 } else {
6113 range.start.row()
6114 };
6115 let end_row = if range.end.row() > layout.visible_display_row_range.end {
6116 layout.visible_display_row_range.end + DisplayRow(1)
6117 } else {
6118 range.end.row()
6119 };
6120
6121 let start_y = layout.gutter_hitbox.top()
6122 + Pixels::from(
6123 start_row.0 as f64
6124 * ScrollPixelOffset::from(layout.position_map.line_height)
6125 - layout.position_map.scroll_pixel_position.y,
6126 );
6127 let end_y = layout.gutter_hitbox.top()
6128 + Pixels::from(
6129 (end_row.0 + 1) as f64
6130 * ScrollPixelOffset::from(layout.position_map.line_height)
6131 - layout.position_map.scroll_pixel_position.y,
6132 );
6133 let bounds = Bounds::from_corners(
6134 point(layout.gutter_hitbox.left(), start_y),
6135 point(layout.gutter_hitbox.left() + highlight_width, end_y),
6136 );
6137 window.paint_quad(fill(bounds, *color).corner_radii(highlight_corner_radii));
6138 }
6139 });
6140 }
6141
6142 fn paint_blamed_display_rows(
6143 &self,
6144 layout: &mut EditorLayout,
6145 window: &mut Window,
6146 cx: &mut App,
6147 ) {
6148 let Some(blamed_display_rows) = layout.blamed_display_rows.take() else {
6149 return;
6150 };
6151
6152 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6153 for mut blame_element in blamed_display_rows.into_iter() {
6154 blame_element.paint(window, cx);
6155 }
6156 })
6157 }
6158
6159 fn paint_text(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6160 window.with_content_mask(
6161 Some(ContentMask {
6162 bounds: layout.position_map.text_hitbox.bounds,
6163 }),
6164 |window| {
6165 let editor = self.editor.read(cx);
6166 if editor.mouse_cursor_hidden {
6167 window.set_window_cursor_style(CursorStyle::None);
6168 } else if let SelectionDragState::ReadyToDrag {
6169 mouse_down_time, ..
6170 } = &editor.selection_drag_state
6171 {
6172 let drag_and_drop_delay = Duration::from_millis(
6173 EditorSettings::get_global(cx).drag_and_drop_selection.delay,
6174 );
6175 if mouse_down_time.elapsed() >= drag_and_drop_delay {
6176 window.set_cursor_style(
6177 CursorStyle::DragCopy,
6178 &layout.position_map.text_hitbox,
6179 );
6180 }
6181 } else if matches!(
6182 editor.selection_drag_state,
6183 SelectionDragState::Dragging { .. }
6184 ) {
6185 window
6186 .set_cursor_style(CursorStyle::DragCopy, &layout.position_map.text_hitbox);
6187 } else if editor
6188 .hovered_link_state
6189 .as_ref()
6190 .is_some_and(|hovered_link_state| !hovered_link_state.links.is_empty())
6191 {
6192 window.set_cursor_style(
6193 CursorStyle::PointingHand,
6194 &layout.position_map.text_hitbox,
6195 );
6196 } else {
6197 window.set_cursor_style(CursorStyle::IBeam, &layout.position_map.text_hitbox);
6198 };
6199
6200 self.paint_lines_background(layout, window, cx);
6201 let invisible_display_ranges = self.paint_highlights(layout, window, cx);
6202 self.paint_document_colors(layout, window);
6203 self.paint_lines(&invisible_display_ranges, layout, window, cx);
6204 self.paint_redactions(layout, window);
6205 self.paint_cursors(layout, window, cx);
6206 self.paint_inline_diagnostics(layout, window, cx);
6207 self.paint_inline_blame(layout, window, cx);
6208 self.paint_inline_code_actions(layout, window, cx);
6209 self.paint_diff_hunk_controls(layout, window, cx);
6210 window.with_element_namespace("crease_trailers", |window| {
6211 for trailer in layout.crease_trailers.iter_mut().flatten() {
6212 trailer.element.paint(window, cx);
6213 }
6214 });
6215 },
6216 )
6217 }
6218
6219 fn paint_highlights(
6220 &mut self,
6221 layout: &mut EditorLayout,
6222 window: &mut Window,
6223 cx: &mut App,
6224 ) -> SmallVec<[Range<DisplayPoint>; 32]> {
6225 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6226 let mut invisible_display_ranges = SmallVec::<[Range<DisplayPoint>; 32]>::new();
6227 let line_end_overshoot = 0.15 * layout.position_map.line_height;
6228 for (range, color) in &layout.highlighted_ranges {
6229 self.paint_highlighted_range(
6230 range.clone(),
6231 true,
6232 *color,
6233 Pixels::ZERO,
6234 line_end_overshoot,
6235 layout,
6236 window,
6237 );
6238 }
6239
6240 let corner_radius = if EditorSettings::get_global(cx).rounded_selection {
6241 0.15 * layout.position_map.line_height
6242 } else {
6243 Pixels::ZERO
6244 };
6245
6246 for (player_color, selections) in &layout.selections {
6247 for selection in selections.iter() {
6248 self.paint_highlighted_range(
6249 selection.range.clone(),
6250 true,
6251 player_color.selection,
6252 corner_radius,
6253 corner_radius * 2.,
6254 layout,
6255 window,
6256 );
6257
6258 if selection.is_local && !selection.range.is_empty() {
6259 invisible_display_ranges.push(selection.range.clone());
6260 }
6261 }
6262 }
6263 invisible_display_ranges
6264 })
6265 }
6266
6267 fn paint_lines(
6268 &mut self,
6269 invisible_display_ranges: &[Range<DisplayPoint>],
6270 layout: &mut EditorLayout,
6271 window: &mut Window,
6272 cx: &mut App,
6273 ) {
6274 let whitespace_setting = self
6275 .editor
6276 .read(cx)
6277 .buffer
6278 .read(cx)
6279 .language_settings(cx)
6280 .show_whitespaces;
6281
6282 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6283 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6284 line_with_invisibles.draw(
6285 layout,
6286 row,
6287 layout.content_origin,
6288 whitespace_setting,
6289 invisible_display_ranges,
6290 window,
6291 cx,
6292 )
6293 }
6294
6295 for line_element in &mut layout.line_elements {
6296 line_element.paint(window, cx);
6297 }
6298 }
6299
6300 fn paint_lines_background(
6301 &mut self,
6302 layout: &mut EditorLayout,
6303 window: &mut Window,
6304 cx: &mut App,
6305 ) {
6306 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6307 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6308 line_with_invisibles.draw_background(layout, row, layout.content_origin, window, cx);
6309 }
6310 }
6311
6312 fn paint_redactions(&mut self, layout: &EditorLayout, window: &mut Window) {
6313 if layout.redacted_ranges.is_empty() {
6314 return;
6315 }
6316
6317 let line_end_overshoot = layout.line_end_overshoot();
6318
6319 // A softer than perfect black
6320 let redaction_color = gpui::rgb(0x0e1111);
6321
6322 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6323 for range in layout.redacted_ranges.iter() {
6324 self.paint_highlighted_range(
6325 range.clone(),
6326 true,
6327 redaction_color.into(),
6328 Pixels::ZERO,
6329 line_end_overshoot,
6330 layout,
6331 window,
6332 );
6333 }
6334 });
6335 }
6336
6337 fn paint_document_colors(&self, layout: &mut EditorLayout, window: &mut Window) {
6338 let Some((colors_render_mode, image_colors)) = &layout.document_colors else {
6339 return;
6340 };
6341 if image_colors.is_empty()
6342 || colors_render_mode == &DocumentColorsRenderMode::None
6343 || colors_render_mode == &DocumentColorsRenderMode::Inlay
6344 {
6345 return;
6346 }
6347
6348 let line_end_overshoot = layout.line_end_overshoot();
6349
6350 for (range, color) in image_colors {
6351 match colors_render_mode {
6352 DocumentColorsRenderMode::Inlay | DocumentColorsRenderMode::None => return,
6353 DocumentColorsRenderMode::Background => {
6354 self.paint_highlighted_range(
6355 range.clone(),
6356 true,
6357 *color,
6358 Pixels::ZERO,
6359 line_end_overshoot,
6360 layout,
6361 window,
6362 );
6363 }
6364 DocumentColorsRenderMode::Border => {
6365 self.paint_highlighted_range(
6366 range.clone(),
6367 false,
6368 *color,
6369 Pixels::ZERO,
6370 line_end_overshoot,
6371 layout,
6372 window,
6373 );
6374 }
6375 }
6376 }
6377 }
6378
6379 fn paint_cursors(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6380 for cursor in &mut layout.visible_cursors {
6381 cursor.paint(layout.content_origin, window, cx);
6382 }
6383 }
6384
6385 fn paint_scrollbars(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6386 let Some(scrollbars_layout) = layout.scrollbars_layout.take() else {
6387 return;
6388 };
6389 let any_scrollbar_dragged = self.editor.read(cx).scroll_manager.any_scrollbar_dragged();
6390
6391 for (scrollbar_layout, axis) in scrollbars_layout.iter_scrollbars() {
6392 let hitbox = &scrollbar_layout.hitbox;
6393 if scrollbars_layout.visible {
6394 let scrollbar_edges = match axis {
6395 ScrollbarAxis::Horizontal => Edges {
6396 top: Pixels::ZERO,
6397 right: Pixels::ZERO,
6398 bottom: Pixels::ZERO,
6399 left: Pixels::ZERO,
6400 },
6401 ScrollbarAxis::Vertical => Edges {
6402 top: Pixels::ZERO,
6403 right: Pixels::ZERO,
6404 bottom: Pixels::ZERO,
6405 left: ScrollbarLayout::BORDER_WIDTH,
6406 },
6407 };
6408
6409 window.paint_layer(hitbox.bounds, |window| {
6410 window.paint_quad(quad(
6411 hitbox.bounds,
6412 Corners::default(),
6413 cx.theme().colors().scrollbar_track_background,
6414 scrollbar_edges,
6415 cx.theme().colors().scrollbar_track_border,
6416 BorderStyle::Solid,
6417 ));
6418
6419 if axis == ScrollbarAxis::Vertical {
6420 let fast_markers =
6421 self.collect_fast_scrollbar_markers(layout, scrollbar_layout, cx);
6422 // Refresh slow scrollbar markers in the background. Below, we
6423 // paint whatever markers have already been computed.
6424 self.refresh_slow_scrollbar_markers(layout, scrollbar_layout, window, cx);
6425
6426 let markers = self.editor.read(cx).scrollbar_marker_state.markers.clone();
6427 for marker in markers.iter().chain(&fast_markers) {
6428 let mut marker = marker.clone();
6429 marker.bounds.origin += hitbox.origin;
6430 window.paint_quad(marker);
6431 }
6432 }
6433
6434 if let Some(thumb_bounds) = scrollbar_layout.thumb_bounds {
6435 let scrollbar_thumb_color = match scrollbar_layout.thumb_state {
6436 ScrollbarThumbState::Dragging => {
6437 cx.theme().colors().scrollbar_thumb_active_background
6438 }
6439 ScrollbarThumbState::Hovered => {
6440 cx.theme().colors().scrollbar_thumb_hover_background
6441 }
6442 ScrollbarThumbState::Idle => {
6443 cx.theme().colors().scrollbar_thumb_background
6444 }
6445 };
6446 window.paint_quad(quad(
6447 thumb_bounds,
6448 Corners::default(),
6449 scrollbar_thumb_color,
6450 scrollbar_edges,
6451 cx.theme().colors().scrollbar_thumb_border,
6452 BorderStyle::Solid,
6453 ));
6454
6455 if any_scrollbar_dragged {
6456 window.set_window_cursor_style(CursorStyle::Arrow);
6457 } else {
6458 window.set_cursor_style(CursorStyle::Arrow, hitbox);
6459 }
6460 }
6461 })
6462 }
6463 }
6464
6465 window.on_mouse_event({
6466 let editor = self.editor.clone();
6467 let scrollbars_layout = scrollbars_layout.clone();
6468
6469 let mut mouse_position = window.mouse_position();
6470 move |event: &MouseMoveEvent, phase, window, cx| {
6471 if phase == DispatchPhase::Capture {
6472 return;
6473 }
6474
6475 editor.update(cx, |editor, cx| {
6476 if let Some((scrollbar_layout, axis)) = event
6477 .pressed_button
6478 .filter(|button| *button == MouseButton::Left)
6479 .and(editor.scroll_manager.dragging_scrollbar_axis())
6480 .and_then(|axis| {
6481 scrollbars_layout
6482 .iter_scrollbars()
6483 .find(|(_, a)| *a == axis)
6484 })
6485 {
6486 let ScrollbarLayout {
6487 hitbox,
6488 text_unit_size,
6489 ..
6490 } = scrollbar_layout;
6491
6492 let old_position = mouse_position.along(axis);
6493 let new_position = event.position.along(axis);
6494 if (hitbox.origin.along(axis)..hitbox.bottom_right().along(axis))
6495 .contains(&old_position)
6496 {
6497 let position = editor.scroll_position(cx).apply_along(axis, |p| {
6498 (p + ScrollOffset::from(
6499 (new_position - old_position) / *text_unit_size,
6500 ))
6501 .max(0.)
6502 });
6503 editor.set_scroll_position(position, window, cx);
6504 }
6505
6506 editor.scroll_manager.show_scrollbars(window, cx);
6507 cx.stop_propagation();
6508 } else if let Some((layout, axis)) = scrollbars_layout
6509 .get_hovered_axis(window)
6510 .filter(|_| !event.dragging())
6511 {
6512 if layout.thumb_hovered(&event.position) {
6513 editor
6514 .scroll_manager
6515 .set_hovered_scroll_thumb_axis(axis, cx);
6516 } else {
6517 editor.scroll_manager.reset_scrollbar_state(cx);
6518 }
6519
6520 editor.scroll_manager.show_scrollbars(window, cx);
6521 } else {
6522 editor.scroll_manager.reset_scrollbar_state(cx);
6523 }
6524
6525 mouse_position = event.position;
6526 })
6527 }
6528 });
6529
6530 if any_scrollbar_dragged {
6531 window.on_mouse_event({
6532 let editor = self.editor.clone();
6533 move |_: &MouseUpEvent, phase, window, cx| {
6534 if phase == DispatchPhase::Capture {
6535 return;
6536 }
6537
6538 editor.update(cx, |editor, cx| {
6539 if let Some((_, axis)) = scrollbars_layout.get_hovered_axis(window) {
6540 editor
6541 .scroll_manager
6542 .set_hovered_scroll_thumb_axis(axis, cx);
6543 } else {
6544 editor.scroll_manager.reset_scrollbar_state(cx);
6545 }
6546 cx.stop_propagation();
6547 });
6548 }
6549 });
6550 } else {
6551 window.on_mouse_event({
6552 let editor = self.editor.clone();
6553
6554 move |event: &MouseDownEvent, phase, window, cx| {
6555 if phase == DispatchPhase::Capture {
6556 return;
6557 }
6558 let Some((scrollbar_layout, axis)) = scrollbars_layout.get_hovered_axis(window)
6559 else {
6560 return;
6561 };
6562
6563 let ScrollbarLayout {
6564 hitbox,
6565 visible_range,
6566 text_unit_size,
6567 thumb_bounds,
6568 ..
6569 } = scrollbar_layout;
6570
6571 let Some(thumb_bounds) = thumb_bounds else {
6572 return;
6573 };
6574
6575 editor.update(cx, |editor, cx| {
6576 editor
6577 .scroll_manager
6578 .set_dragged_scroll_thumb_axis(axis, cx);
6579
6580 let event_position = event.position.along(axis);
6581
6582 if event_position < thumb_bounds.origin.along(axis)
6583 || thumb_bounds.bottom_right().along(axis) < event_position
6584 {
6585 let center_position = ((event_position - hitbox.origin.along(axis))
6586 / *text_unit_size)
6587 .round() as u32;
6588 let start_position = center_position.saturating_sub(
6589 (visible_range.end - visible_range.start) as u32 / 2,
6590 );
6591
6592 let position = editor
6593 .scroll_position(cx)
6594 .apply_along(axis, |_| start_position as ScrollOffset);
6595
6596 editor.set_scroll_position(position, window, cx);
6597 } else {
6598 editor.scroll_manager.show_scrollbars(window, cx);
6599 }
6600
6601 cx.stop_propagation();
6602 });
6603 }
6604 });
6605 }
6606 }
6607
6608 fn collect_fast_scrollbar_markers(
6609 &self,
6610 layout: &EditorLayout,
6611 scrollbar_layout: &ScrollbarLayout,
6612 cx: &mut App,
6613 ) -> Vec<PaintQuad> {
6614 const LIMIT: usize = 100;
6615 if !EditorSettings::get_global(cx).scrollbar.cursors || layout.cursors.len() > LIMIT {
6616 return vec![];
6617 }
6618 let cursor_ranges = layout
6619 .cursors
6620 .iter()
6621 .map(|(point, color)| ColoredRange {
6622 start: point.row(),
6623 end: point.row(),
6624 color: *color,
6625 })
6626 .collect_vec();
6627 scrollbar_layout.marker_quads_for_ranges(cursor_ranges, None)
6628 }
6629
6630 fn refresh_slow_scrollbar_markers(
6631 &self,
6632 layout: &EditorLayout,
6633 scrollbar_layout: &ScrollbarLayout,
6634 window: &mut Window,
6635 cx: &mut App,
6636 ) {
6637 self.editor.update(cx, |editor, cx| {
6638 if editor.buffer_kind(cx) != ItemBufferKind::Singleton
6639 || !editor
6640 .scrollbar_marker_state
6641 .should_refresh(scrollbar_layout.hitbox.size)
6642 {
6643 return;
6644 }
6645
6646 let scrollbar_layout = scrollbar_layout.clone();
6647 let background_highlights = editor.background_highlights.clone();
6648 let snapshot = layout.position_map.snapshot.clone();
6649 let theme = cx.theme().clone();
6650 let scrollbar_settings = EditorSettings::get_global(cx).scrollbar;
6651
6652 editor.scrollbar_marker_state.dirty = false;
6653 editor.scrollbar_marker_state.pending_refresh =
6654 Some(cx.spawn_in(window, async move |editor, cx| {
6655 let scrollbar_size = scrollbar_layout.hitbox.size;
6656 let scrollbar_markers = cx
6657 .background_spawn(async move {
6658 let max_point = snapshot.display_snapshot.buffer_snapshot().max_point();
6659 let mut marker_quads = Vec::new();
6660 if scrollbar_settings.git_diff {
6661 let marker_row_ranges =
6662 snapshot.buffer_snapshot().diff_hunks().map(|hunk| {
6663 let start_display_row =
6664 MultiBufferPoint::new(hunk.row_range.start.0, 0)
6665 .to_display_point(&snapshot.display_snapshot)
6666 .row();
6667 let mut end_display_row =
6668 MultiBufferPoint::new(hunk.row_range.end.0, 0)
6669 .to_display_point(&snapshot.display_snapshot)
6670 .row();
6671 if end_display_row != start_display_row {
6672 end_display_row.0 -= 1;
6673 }
6674 let color = match &hunk.status().kind {
6675 DiffHunkStatusKind::Added => {
6676 theme.colors().version_control_added
6677 }
6678 DiffHunkStatusKind::Modified => {
6679 theme.colors().version_control_modified
6680 }
6681 DiffHunkStatusKind::Deleted => {
6682 theme.colors().version_control_deleted
6683 }
6684 };
6685 ColoredRange {
6686 start: start_display_row,
6687 end: end_display_row,
6688 color,
6689 }
6690 });
6691
6692 marker_quads.extend(
6693 scrollbar_layout
6694 .marker_quads_for_ranges(marker_row_ranges, Some(0)),
6695 );
6696 }
6697
6698 for (background_highlight_id, (_, background_ranges)) in
6699 background_highlights.iter()
6700 {
6701 let is_search_highlights = *background_highlight_id
6702 == HighlightKey::Type(TypeId::of::<BufferSearchHighlights>());
6703 let is_text_highlights = *background_highlight_id
6704 == HighlightKey::Type(TypeId::of::<SelectedTextHighlight>());
6705 let is_symbol_occurrences = *background_highlight_id
6706 == HighlightKey::Type(TypeId::of::<DocumentHighlightRead>())
6707 || *background_highlight_id
6708 == HighlightKey::Type(
6709 TypeId::of::<DocumentHighlightWrite>(),
6710 );
6711 if (is_search_highlights && scrollbar_settings.search_results)
6712 || (is_text_highlights && scrollbar_settings.selected_text)
6713 || (is_symbol_occurrences && scrollbar_settings.selected_symbol)
6714 {
6715 let mut color = theme.status().info;
6716 if is_symbol_occurrences {
6717 color.fade_out(0.5);
6718 }
6719 let marker_row_ranges = background_ranges.iter().map(|range| {
6720 let display_start = range
6721 .start
6722 .to_display_point(&snapshot.display_snapshot);
6723 let display_end =
6724 range.end.to_display_point(&snapshot.display_snapshot);
6725 ColoredRange {
6726 start: display_start.row(),
6727 end: display_end.row(),
6728 color,
6729 }
6730 });
6731 marker_quads.extend(
6732 scrollbar_layout
6733 .marker_quads_for_ranges(marker_row_ranges, Some(1)),
6734 );
6735 }
6736 }
6737
6738 if scrollbar_settings.diagnostics != ScrollbarDiagnostics::None {
6739 let diagnostics = snapshot
6740 .buffer_snapshot()
6741 .diagnostics_in_range::<Point>(Point::zero()..max_point)
6742 // Don't show diagnostics the user doesn't care about
6743 .filter(|diagnostic| {
6744 match (
6745 scrollbar_settings.diagnostics,
6746 diagnostic.diagnostic.severity,
6747 ) {
6748 (ScrollbarDiagnostics::All, _) => true,
6749 (
6750 ScrollbarDiagnostics::Error,
6751 lsp::DiagnosticSeverity::ERROR,
6752 ) => true,
6753 (
6754 ScrollbarDiagnostics::Warning,
6755 lsp::DiagnosticSeverity::ERROR
6756 | lsp::DiagnosticSeverity::WARNING,
6757 ) => true,
6758 (
6759 ScrollbarDiagnostics::Information,
6760 lsp::DiagnosticSeverity::ERROR
6761 | lsp::DiagnosticSeverity::WARNING
6762 | lsp::DiagnosticSeverity::INFORMATION,
6763 ) => true,
6764 (_, _) => false,
6765 }
6766 })
6767 // We want to sort by severity, in order to paint the most severe diagnostics last.
6768 .sorted_by_key(|diagnostic| {
6769 std::cmp::Reverse(diagnostic.diagnostic.severity)
6770 });
6771
6772 let marker_row_ranges = diagnostics.into_iter().map(|diagnostic| {
6773 let start_display = diagnostic
6774 .range
6775 .start
6776 .to_display_point(&snapshot.display_snapshot);
6777 let end_display = diagnostic
6778 .range
6779 .end
6780 .to_display_point(&snapshot.display_snapshot);
6781 let color = match diagnostic.diagnostic.severity {
6782 lsp::DiagnosticSeverity::ERROR => theme.status().error,
6783 lsp::DiagnosticSeverity::WARNING => theme.status().warning,
6784 lsp::DiagnosticSeverity::INFORMATION => theme.status().info,
6785 _ => theme.status().hint,
6786 };
6787 ColoredRange {
6788 start: start_display.row(),
6789 end: end_display.row(),
6790 color,
6791 }
6792 });
6793 marker_quads.extend(
6794 scrollbar_layout
6795 .marker_quads_for_ranges(marker_row_ranges, Some(2)),
6796 );
6797 }
6798
6799 Arc::from(marker_quads)
6800 })
6801 .await;
6802
6803 editor.update(cx, |editor, cx| {
6804 editor.scrollbar_marker_state.markers = scrollbar_markers;
6805 editor.scrollbar_marker_state.scrollbar_size = scrollbar_size;
6806 editor.scrollbar_marker_state.pending_refresh = None;
6807 cx.notify();
6808 })?;
6809
6810 Ok(())
6811 }));
6812 });
6813 }
6814
6815 fn paint_highlighted_range(
6816 &self,
6817 range: Range<DisplayPoint>,
6818 fill: bool,
6819 color: Hsla,
6820 corner_radius: Pixels,
6821 line_end_overshoot: Pixels,
6822 layout: &EditorLayout,
6823 window: &mut Window,
6824 ) {
6825 let start_row = layout.visible_display_row_range.start;
6826 let end_row = layout.visible_display_row_range.end;
6827 if range.start != range.end {
6828 let row_range = if range.end.column() == 0 {
6829 cmp::max(range.start.row(), start_row)..cmp::min(range.end.row(), end_row)
6830 } else {
6831 cmp::max(range.start.row(), start_row)
6832 ..cmp::min(range.end.row().next_row(), end_row)
6833 };
6834
6835 let highlighted_range = HighlightedRange {
6836 color,
6837 line_height: layout.position_map.line_height,
6838 corner_radius,
6839 start_y: layout.content_origin.y
6840 + Pixels::from(
6841 (row_range.start.as_f64() - layout.position_map.scroll_position.y)
6842 * ScrollOffset::from(layout.position_map.line_height),
6843 ),
6844 lines: row_range
6845 .iter_rows()
6846 .map(|row| {
6847 let line_layout =
6848 &layout.position_map.line_layouts[row.minus(start_row) as usize];
6849 HighlightedRangeLine {
6850 start_x: if row == range.start.row() {
6851 layout.content_origin.x
6852 + Pixels::from(
6853 ScrollPixelOffset::from(
6854 line_layout.x_for_index(range.start.column() as usize),
6855 ) - layout.position_map.scroll_pixel_position.x,
6856 )
6857 } else {
6858 layout.content_origin.x
6859 - Pixels::from(layout.position_map.scroll_pixel_position.x)
6860 },
6861 end_x: if row == range.end.row() {
6862 layout.content_origin.x
6863 + Pixels::from(
6864 ScrollPixelOffset::from(
6865 line_layout.x_for_index(range.end.column() as usize),
6866 ) - layout.position_map.scroll_pixel_position.x,
6867 )
6868 } else {
6869 Pixels::from(
6870 ScrollPixelOffset::from(
6871 layout.content_origin.x
6872 + line_layout.width
6873 + line_end_overshoot,
6874 ) - layout.position_map.scroll_pixel_position.x,
6875 )
6876 },
6877 }
6878 })
6879 .collect(),
6880 };
6881
6882 highlighted_range.paint(fill, layout.position_map.text_hitbox.bounds, window);
6883 }
6884 }
6885
6886 fn paint_inline_diagnostics(
6887 &mut self,
6888 layout: &mut EditorLayout,
6889 window: &mut Window,
6890 cx: &mut App,
6891 ) {
6892 for mut inline_diagnostic in layout.inline_diagnostics.drain() {
6893 inline_diagnostic.1.paint(window, cx);
6894 }
6895 }
6896
6897 fn paint_inline_blame(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6898 if let Some(mut blame_layout) = layout.inline_blame_layout.take() {
6899 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6900 blame_layout.element.paint(window, cx);
6901 })
6902 }
6903 }
6904
6905 fn paint_inline_code_actions(
6906 &mut self,
6907 layout: &mut EditorLayout,
6908 window: &mut Window,
6909 cx: &mut App,
6910 ) {
6911 if let Some(mut inline_code_actions) = layout.inline_code_actions.take() {
6912 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6913 inline_code_actions.paint(window, cx);
6914 })
6915 }
6916 }
6917
6918 fn paint_diff_hunk_controls(
6919 &mut self,
6920 layout: &mut EditorLayout,
6921 window: &mut Window,
6922 cx: &mut App,
6923 ) {
6924 for mut diff_hunk_control in layout.diff_hunk_controls.drain(..) {
6925 diff_hunk_control.paint(window, cx);
6926 }
6927 }
6928
6929 fn paint_minimap(&self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6930 if let Some(mut layout) = layout.minimap.take() {
6931 let minimap_hitbox = layout.thumb_layout.hitbox.clone();
6932 let dragging_minimap = self.editor.read(cx).scroll_manager.is_dragging_minimap();
6933
6934 window.paint_layer(layout.thumb_layout.hitbox.bounds, |window| {
6935 window.with_element_namespace("minimap", |window| {
6936 layout.minimap.paint(window, cx);
6937 if let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds {
6938 let minimap_thumb_color = match layout.thumb_layout.thumb_state {
6939 ScrollbarThumbState::Idle => {
6940 cx.theme().colors().minimap_thumb_background
6941 }
6942 ScrollbarThumbState::Hovered => {
6943 cx.theme().colors().minimap_thumb_hover_background
6944 }
6945 ScrollbarThumbState::Dragging => {
6946 cx.theme().colors().minimap_thumb_active_background
6947 }
6948 };
6949 let minimap_thumb_border = match layout.thumb_border_style {
6950 MinimapThumbBorder::Full => Edges::all(ScrollbarLayout::BORDER_WIDTH),
6951 MinimapThumbBorder::LeftOnly => Edges {
6952 left: ScrollbarLayout::BORDER_WIDTH,
6953 ..Default::default()
6954 },
6955 MinimapThumbBorder::LeftOpen => Edges {
6956 right: ScrollbarLayout::BORDER_WIDTH,
6957 top: ScrollbarLayout::BORDER_WIDTH,
6958 bottom: ScrollbarLayout::BORDER_WIDTH,
6959 ..Default::default()
6960 },
6961 MinimapThumbBorder::RightOpen => Edges {
6962 left: ScrollbarLayout::BORDER_WIDTH,
6963 top: ScrollbarLayout::BORDER_WIDTH,
6964 bottom: ScrollbarLayout::BORDER_WIDTH,
6965 ..Default::default()
6966 },
6967 MinimapThumbBorder::None => Default::default(),
6968 };
6969
6970 window.paint_layer(minimap_hitbox.bounds, |window| {
6971 window.paint_quad(quad(
6972 thumb_bounds,
6973 Corners::default(),
6974 minimap_thumb_color,
6975 minimap_thumb_border,
6976 cx.theme().colors().minimap_thumb_border,
6977 BorderStyle::Solid,
6978 ));
6979 });
6980 }
6981 });
6982 });
6983
6984 if dragging_minimap {
6985 window.set_window_cursor_style(CursorStyle::Arrow);
6986 } else {
6987 window.set_cursor_style(CursorStyle::Arrow, &minimap_hitbox);
6988 }
6989
6990 let minimap_axis = ScrollbarAxis::Vertical;
6991 let pixels_per_line = Pixels::from(
6992 ScrollPixelOffset::from(minimap_hitbox.size.height) / layout.max_scroll_top,
6993 )
6994 .min(layout.minimap_line_height);
6995
6996 let mut mouse_position = window.mouse_position();
6997
6998 window.on_mouse_event({
6999 let editor = self.editor.clone();
7000
7001 let minimap_hitbox = minimap_hitbox.clone();
7002
7003 move |event: &MouseMoveEvent, phase, window, cx| {
7004 if phase == DispatchPhase::Capture {
7005 return;
7006 }
7007
7008 editor.update(cx, |editor, cx| {
7009 if event.pressed_button == Some(MouseButton::Left)
7010 && editor.scroll_manager.is_dragging_minimap()
7011 {
7012 let old_position = mouse_position.along(minimap_axis);
7013 let new_position = event.position.along(minimap_axis);
7014 if (minimap_hitbox.origin.along(minimap_axis)
7015 ..minimap_hitbox.bottom_right().along(minimap_axis))
7016 .contains(&old_position)
7017 {
7018 let position =
7019 editor.scroll_position(cx).apply_along(minimap_axis, |p| {
7020 (p + ScrollPixelOffset::from(
7021 (new_position - old_position) / pixels_per_line,
7022 ))
7023 .max(0.)
7024 });
7025
7026 editor.set_scroll_position(position, window, cx);
7027 }
7028 cx.stop_propagation();
7029 } else if minimap_hitbox.is_hovered(window) {
7030 editor.scroll_manager.set_is_hovering_minimap_thumb(
7031 !event.dragging()
7032 && layout
7033 .thumb_layout
7034 .thumb_bounds
7035 .is_some_and(|bounds| bounds.contains(&event.position)),
7036 cx,
7037 );
7038
7039 // Stop hover events from propagating to the
7040 // underlying editor if the minimap hitbox is hovered
7041 if !event.dragging() {
7042 cx.stop_propagation();
7043 }
7044 } else {
7045 editor.scroll_manager.hide_minimap_thumb(cx);
7046 }
7047 mouse_position = event.position;
7048 });
7049 }
7050 });
7051
7052 if dragging_minimap {
7053 window.on_mouse_event({
7054 let editor = self.editor.clone();
7055 move |event: &MouseUpEvent, phase, window, cx| {
7056 if phase == DispatchPhase::Capture {
7057 return;
7058 }
7059
7060 editor.update(cx, |editor, cx| {
7061 if minimap_hitbox.is_hovered(window) {
7062 editor.scroll_manager.set_is_hovering_minimap_thumb(
7063 layout
7064 .thumb_layout
7065 .thumb_bounds
7066 .is_some_and(|bounds| bounds.contains(&event.position)),
7067 cx,
7068 );
7069 } else {
7070 editor.scroll_manager.hide_minimap_thumb(cx);
7071 }
7072 cx.stop_propagation();
7073 });
7074 }
7075 });
7076 } else {
7077 window.on_mouse_event({
7078 let editor = self.editor.clone();
7079
7080 move |event: &MouseDownEvent, phase, window, cx| {
7081 if phase == DispatchPhase::Capture || !minimap_hitbox.is_hovered(window) {
7082 return;
7083 }
7084
7085 let event_position = event.position;
7086
7087 let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds else {
7088 return;
7089 };
7090
7091 editor.update(cx, |editor, cx| {
7092 if !thumb_bounds.contains(&event_position) {
7093 let click_position =
7094 event_position.relative_to(&minimap_hitbox.origin).y;
7095
7096 let top_position = (click_position
7097 - thumb_bounds.size.along(minimap_axis) / 2.0)
7098 .max(Pixels::ZERO);
7099
7100 let scroll_offset = (layout.minimap_scroll_top
7101 + ScrollPixelOffset::from(
7102 top_position / layout.minimap_line_height,
7103 ))
7104 .min(layout.max_scroll_top);
7105
7106 let scroll_position = editor
7107 .scroll_position(cx)
7108 .apply_along(minimap_axis, |_| scroll_offset);
7109 editor.set_scroll_position(scroll_position, window, cx);
7110 }
7111
7112 editor.scroll_manager.set_is_dragging_minimap(cx);
7113 cx.stop_propagation();
7114 });
7115 }
7116 });
7117 }
7118 }
7119 }
7120
7121 fn paint_blocks(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
7122 for mut block in layout.blocks.drain(..) {
7123 if block.overlaps_gutter {
7124 block.element.paint(window, cx);
7125 } else {
7126 let mut bounds = layout.hitbox.bounds;
7127 bounds.origin.x += layout.gutter_hitbox.bounds.size.width;
7128 window.with_content_mask(Some(ContentMask { bounds }), |window| {
7129 block.element.paint(window, cx);
7130 })
7131 }
7132 }
7133 }
7134
7135 fn paint_edit_prediction_popover(
7136 &mut self,
7137 layout: &mut EditorLayout,
7138 window: &mut Window,
7139 cx: &mut App,
7140 ) {
7141 if let Some(edit_prediction_popover) = layout.edit_prediction_popover.as_mut() {
7142 edit_prediction_popover.paint(window, cx);
7143 }
7144 }
7145
7146 fn paint_mouse_context_menu(
7147 &mut self,
7148 layout: &mut EditorLayout,
7149 window: &mut Window,
7150 cx: &mut App,
7151 ) {
7152 if let Some(mouse_context_menu) = layout.mouse_context_menu.as_mut() {
7153 mouse_context_menu.paint(window, cx);
7154 }
7155 }
7156
7157 fn paint_scroll_wheel_listener(
7158 &mut self,
7159 layout: &EditorLayout,
7160 window: &mut Window,
7161 cx: &mut App,
7162 ) {
7163 window.on_mouse_event({
7164 let position_map = layout.position_map.clone();
7165 let editor = self.editor.clone();
7166 let hitbox = layout.hitbox.clone();
7167 let mut delta = ScrollDelta::default();
7168
7169 // Set a minimum scroll_sensitivity of 0.01 to make sure the user doesn't
7170 // accidentally turn off their scrolling.
7171 let base_scroll_sensitivity =
7172 EditorSettings::get_global(cx).scroll_sensitivity.max(0.01);
7173
7174 // Use a minimum fast_scroll_sensitivity for same reason above
7175 let fast_scroll_sensitivity = EditorSettings::get_global(cx)
7176 .fast_scroll_sensitivity
7177 .max(0.01);
7178
7179 move |event: &ScrollWheelEvent, phase, window, cx| {
7180 let scroll_sensitivity = {
7181 if event.modifiers.alt {
7182 fast_scroll_sensitivity
7183 } else {
7184 base_scroll_sensitivity
7185 }
7186 };
7187
7188 if phase == DispatchPhase::Bubble && hitbox.should_handle_scroll(window) {
7189 delta = delta.coalesce(event.delta);
7190 editor.update(cx, |editor, cx| {
7191 let position_map: &PositionMap = &position_map;
7192
7193 let line_height = position_map.line_height;
7194 let max_glyph_advance = position_map.em_advance;
7195 let (delta, axis) = match delta {
7196 gpui::ScrollDelta::Pixels(mut pixels) => {
7197 //Trackpad
7198 let axis = position_map.snapshot.ongoing_scroll.filter(&mut pixels);
7199 (pixels, axis)
7200 }
7201
7202 gpui::ScrollDelta::Lines(lines) => {
7203 //Not trackpad
7204 let pixels =
7205 point(lines.x * max_glyph_advance, lines.y * line_height);
7206 (pixels, None)
7207 }
7208 };
7209
7210 let current_scroll_position = position_map.snapshot.scroll_position();
7211 let x = (current_scroll_position.x
7212 * ScrollPixelOffset::from(max_glyph_advance)
7213 - ScrollPixelOffset::from(delta.x * scroll_sensitivity))
7214 / ScrollPixelOffset::from(max_glyph_advance);
7215 let y = (current_scroll_position.y * ScrollPixelOffset::from(line_height)
7216 - ScrollPixelOffset::from(delta.y * scroll_sensitivity))
7217 / ScrollPixelOffset::from(line_height);
7218 let mut scroll_position =
7219 point(x, y).clamp(&point(0., 0.), &position_map.scroll_max);
7220 let forbid_vertical_scroll = editor.scroll_manager.forbid_vertical_scroll();
7221 if forbid_vertical_scroll {
7222 scroll_position.y = current_scroll_position.y;
7223 }
7224
7225 if scroll_position != current_scroll_position {
7226 editor.scroll(scroll_position, axis, window, cx);
7227 cx.stop_propagation();
7228 } else if y < 0. {
7229 // Due to clamping, we may fail to detect cases of overscroll to the top;
7230 // We want the scroll manager to get an update in such cases and detect the change of direction
7231 // on the next frame.
7232 cx.notify();
7233 }
7234 });
7235 }
7236 }
7237 });
7238 }
7239
7240 fn paint_mouse_listeners(&mut self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
7241 if layout.mode.is_minimap() {
7242 return;
7243 }
7244
7245 self.paint_scroll_wheel_listener(layout, window, cx);
7246
7247 window.on_mouse_event({
7248 let position_map = layout.position_map.clone();
7249 let editor = self.editor.clone();
7250 let diff_hunk_range =
7251 layout
7252 .display_hunks
7253 .iter()
7254 .find_map(|(hunk, hunk_hitbox)| match hunk {
7255 DisplayDiffHunk::Folded { .. } => None,
7256 DisplayDiffHunk::Unfolded {
7257 multi_buffer_range, ..
7258 } => {
7259 if hunk_hitbox
7260 .as_ref()
7261 .map(|hitbox| hitbox.is_hovered(window))
7262 .unwrap_or(false)
7263 {
7264 Some(multi_buffer_range.clone())
7265 } else {
7266 None
7267 }
7268 }
7269 });
7270 let line_numbers = layout.line_numbers.clone();
7271
7272 move |event: &MouseDownEvent, phase, window, cx| {
7273 if phase == DispatchPhase::Bubble {
7274 match event.button {
7275 MouseButton::Left => editor.update(cx, |editor, cx| {
7276 let pending_mouse_down = editor
7277 .pending_mouse_down
7278 .get_or_insert_with(Default::default)
7279 .clone();
7280
7281 *pending_mouse_down.borrow_mut() = Some(event.clone());
7282
7283 Self::mouse_left_down(
7284 editor,
7285 event,
7286 diff_hunk_range.clone(),
7287 &position_map,
7288 line_numbers.as_ref(),
7289 window,
7290 cx,
7291 );
7292 }),
7293 MouseButton::Right => editor.update(cx, |editor, cx| {
7294 Self::mouse_right_down(editor, event, &position_map, window, cx);
7295 }),
7296 MouseButton::Middle => editor.update(cx, |editor, cx| {
7297 Self::mouse_middle_down(editor, event, &position_map, window, cx);
7298 }),
7299 _ => {}
7300 };
7301 }
7302 }
7303 });
7304
7305 window.on_mouse_event({
7306 let editor = self.editor.clone();
7307 let position_map = layout.position_map.clone();
7308
7309 move |event: &MouseUpEvent, phase, window, cx| {
7310 if phase == DispatchPhase::Bubble {
7311 editor.update(cx, |editor, cx| {
7312 Self::mouse_up(editor, event, &position_map, window, cx)
7313 });
7314 }
7315 }
7316 });
7317
7318 window.on_mouse_event({
7319 let editor = self.editor.clone();
7320 let position_map = layout.position_map.clone();
7321 let mut captured_mouse_down = None;
7322
7323 move |event: &MouseUpEvent, phase, window, cx| match phase {
7324 // Clear the pending mouse down during the capture phase,
7325 // so that it happens even if another event handler stops
7326 // propagation.
7327 DispatchPhase::Capture => editor.update(cx, |editor, _cx| {
7328 let pending_mouse_down = editor
7329 .pending_mouse_down
7330 .get_or_insert_with(Default::default)
7331 .clone();
7332
7333 let mut pending_mouse_down = pending_mouse_down.borrow_mut();
7334 if pending_mouse_down.is_some() && position_map.text_hitbox.is_hovered(window) {
7335 captured_mouse_down = pending_mouse_down.take();
7336 window.refresh();
7337 }
7338 }),
7339 // Fire click handlers during the bubble phase.
7340 DispatchPhase::Bubble => editor.update(cx, |editor, cx| {
7341 if let Some(mouse_down) = captured_mouse_down.take() {
7342 let event = ClickEvent::Mouse(MouseClickEvent {
7343 down: mouse_down,
7344 up: event.clone(),
7345 });
7346 Self::click(editor, &event, &position_map, window, cx);
7347 }
7348 }),
7349 }
7350 });
7351
7352 window.on_mouse_event({
7353 let position_map = layout.position_map.clone();
7354 let editor = self.editor.clone();
7355
7356 move |event: &MouseMoveEvent, phase, window, cx| {
7357 if phase == DispatchPhase::Bubble {
7358 editor.update(cx, |editor, cx| {
7359 if editor.hover_state.focused(window, cx) {
7360 return;
7361 }
7362 if event.pressed_button == Some(MouseButton::Left)
7363 || event.pressed_button == Some(MouseButton::Middle)
7364 {
7365 Self::mouse_dragged(editor, event, &position_map, window, cx)
7366 }
7367
7368 Self::mouse_moved(editor, event, &position_map, window, cx)
7369 });
7370 }
7371 }
7372 });
7373 }
7374
7375 fn column_pixels(&self, column: usize, window: &Window) -> Pixels {
7376 let style = &self.style;
7377 let font_size = style.text.font_size.to_pixels(window.rem_size());
7378 let layout = window.text_system().shape_line(
7379 SharedString::from(" ".repeat(column)),
7380 font_size,
7381 &[TextRun {
7382 len: column,
7383 font: style.text.font(),
7384 color: Hsla::default(),
7385 background_color: None,
7386 underline: None,
7387 strikethrough: None,
7388 }],
7389 None,
7390 );
7391
7392 layout.width
7393 }
7394
7395 fn max_line_number_width(&self, snapshot: &EditorSnapshot, window: &mut Window) -> Pixels {
7396 let digit_count = snapshot.widest_line_number().ilog10() + 1;
7397 self.column_pixels(digit_count as usize, window)
7398 }
7399
7400 fn shape_line_number(
7401 &self,
7402 text: SharedString,
7403 color: Hsla,
7404 window: &mut Window,
7405 ) -> ShapedLine {
7406 let run = TextRun {
7407 len: text.len(),
7408 font: self.style.text.font(),
7409 color,
7410 background_color: None,
7411 underline: None,
7412 strikethrough: None,
7413 };
7414 window.text_system().shape_line(
7415 text,
7416 self.style.text.font_size.to_pixels(window.rem_size()),
7417 &[run],
7418 None,
7419 )
7420 }
7421
7422 fn diff_hunk_hollow(status: DiffHunkStatus, cx: &mut App) -> bool {
7423 let unstaged = status.has_secondary_hunk();
7424 let unstaged_hollow = matches!(
7425 ProjectSettings::get_global(cx).git.hunk_style,
7426 GitHunkStyleSetting::UnstagedHollow
7427 );
7428
7429 unstaged == unstaged_hollow
7430 }
7431
7432 #[cfg(debug_assertions)]
7433 fn layout_debug_ranges(
7434 selections: &mut Vec<(PlayerColor, Vec<SelectionLayout>)>,
7435 anchor_range: Range<Anchor>,
7436 display_snapshot: &DisplaySnapshot,
7437 cx: &App,
7438 ) {
7439 let theme = cx.theme();
7440 text::debug::GlobalDebugRanges::with_locked(|debug_ranges| {
7441 if debug_ranges.ranges.is_empty() {
7442 return;
7443 }
7444 let buffer_snapshot = &display_snapshot.buffer_snapshot();
7445 for (buffer, buffer_range, excerpt_id) in
7446 buffer_snapshot.range_to_buffer_ranges(anchor_range)
7447 {
7448 let buffer_range =
7449 buffer.anchor_after(buffer_range.start)..buffer.anchor_before(buffer_range.end);
7450 selections.extend(debug_ranges.ranges.iter().flat_map(|debug_range| {
7451 let player_color = theme
7452 .players()
7453 .color_for_participant(debug_range.occurrence_index as u32 + 1);
7454 debug_range.ranges.iter().filter_map(move |range| {
7455 if range.start.buffer_id != Some(buffer.remote_id()) {
7456 return None;
7457 }
7458 let clipped_start = range.start.max(&buffer_range.start, buffer);
7459 let clipped_end = range.end.min(&buffer_range.end, buffer);
7460 let range = buffer_snapshot.anchor_in_excerpt(excerpt_id, clipped_start)?
7461 ..buffer_snapshot.anchor_in_excerpt(excerpt_id, clipped_end)?;
7462 let start = range.start.to_display_point(display_snapshot);
7463 let end = range.end.to_display_point(display_snapshot);
7464 let selection_layout = SelectionLayout {
7465 head: start,
7466 range: start..end,
7467 cursor_shape: CursorShape::Bar,
7468 is_newest: false,
7469 is_local: false,
7470 active_rows: start.row()..end.row(),
7471 user_name: Some(SharedString::new(debug_range.value.clone())),
7472 };
7473 Some((player_color, vec![selection_layout]))
7474 })
7475 }));
7476 }
7477 });
7478 }
7479}
7480
7481fn header_jump_data(
7482 snapshot: &EditorSnapshot,
7483 block_row_start: DisplayRow,
7484 height: u32,
7485 for_excerpt: &ExcerptInfo,
7486) -> JumpData {
7487 let range = &for_excerpt.range;
7488 let buffer = &for_excerpt.buffer;
7489 let jump_anchor = range.primary.start;
7490
7491 let excerpt_start = range.context.start;
7492 let jump_position = language::ToPoint::to_point(&jump_anchor, buffer);
7493 let rows_from_excerpt_start = if jump_anchor == excerpt_start {
7494 0
7495 } else {
7496 let excerpt_start_point = language::ToPoint::to_point(&excerpt_start, buffer);
7497 jump_position.row.saturating_sub(excerpt_start_point.row)
7498 };
7499
7500 let line_offset_from_top = (block_row_start.0 + height + rows_from_excerpt_start)
7501 .saturating_sub(
7502 snapshot
7503 .scroll_anchor
7504 .scroll_position(&snapshot.display_snapshot)
7505 .y as u32,
7506 );
7507
7508 JumpData::MultiBufferPoint {
7509 excerpt_id: for_excerpt.id,
7510 anchor: jump_anchor,
7511 position: jump_position,
7512 line_offset_from_top,
7513 }
7514}
7515
7516pub struct AcceptEditPredictionBinding(pub(crate) Option<gpui::KeyBinding>);
7517
7518impl AcceptEditPredictionBinding {
7519 pub fn keystroke(&self) -> Option<&KeybindingKeystroke> {
7520 if let Some(binding) = self.0.as_ref() {
7521 match &binding.keystrokes() {
7522 [keystroke, ..] => Some(keystroke),
7523 _ => None,
7524 }
7525 } else {
7526 None
7527 }
7528 }
7529}
7530
7531fn prepaint_gutter_button(
7532 button: IconButton,
7533 row: DisplayRow,
7534 line_height: Pixels,
7535 gutter_dimensions: &GutterDimensions,
7536 scroll_position: gpui::Point<ScrollOffset>,
7537 gutter_hitbox: &Hitbox,
7538 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
7539 window: &mut Window,
7540 cx: &mut App,
7541) -> AnyElement {
7542 let mut button = button.into_any_element();
7543
7544 let available_space = size(
7545 AvailableSpace::MinContent,
7546 AvailableSpace::Definite(line_height),
7547 );
7548 let indicator_size = button.layout_as_root(available_space, window, cx);
7549
7550 let blame_width = gutter_dimensions.git_blame_entries_width;
7551 let gutter_width = display_hunks
7552 .binary_search_by(|(hunk, _)| match hunk {
7553 DisplayDiffHunk::Folded { display_row } => display_row.cmp(&row),
7554 DisplayDiffHunk::Unfolded {
7555 display_row_range, ..
7556 } => {
7557 if display_row_range.end <= row {
7558 Ordering::Less
7559 } else if display_row_range.start > row {
7560 Ordering::Greater
7561 } else {
7562 Ordering::Equal
7563 }
7564 }
7565 })
7566 .ok()
7567 .and_then(|ix| Some(display_hunks[ix].1.as_ref()?.size.width));
7568 let left_offset = blame_width.max(gutter_width).unwrap_or_default();
7569
7570 let mut x = left_offset;
7571 let available_width = gutter_dimensions.margin + gutter_dimensions.left_padding
7572 - indicator_size.width
7573 - left_offset;
7574 x += available_width / 2.;
7575
7576 let mut y =
7577 Pixels::from((row.as_f64() - scroll_position.y) * ScrollPixelOffset::from(line_height));
7578 y += (line_height - indicator_size.height) / 2.;
7579
7580 button.prepaint_as_root(
7581 gutter_hitbox.origin + point(x, y),
7582 available_space,
7583 window,
7584 cx,
7585 );
7586 button
7587}
7588
7589fn render_inline_blame_entry(
7590 blame_entry: BlameEntry,
7591 style: &EditorStyle,
7592 cx: &mut App,
7593) -> Option<AnyElement> {
7594 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7595 renderer.render_inline_blame_entry(&style.text, blame_entry, cx)
7596}
7597
7598fn render_blame_entry_popover(
7599 blame_entry: BlameEntry,
7600 scroll_handle: ScrollHandle,
7601 commit_message: Option<ParsedCommitMessage>,
7602 markdown: Entity<Markdown>,
7603 workspace: WeakEntity<Workspace>,
7604 blame: &Entity<GitBlame>,
7605 buffer: BufferId,
7606 window: &mut Window,
7607 cx: &mut App,
7608) -> Option<AnyElement> {
7609 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7610 let blame = blame.read(cx);
7611 let repository = blame.repository(cx, buffer)?;
7612 renderer.render_blame_entry_popover(
7613 blame_entry,
7614 scroll_handle,
7615 commit_message,
7616 markdown,
7617 repository,
7618 workspace,
7619 window,
7620 cx,
7621 )
7622}
7623
7624fn render_blame_entry(
7625 ix: usize,
7626 blame: &Entity<GitBlame>,
7627 blame_entry: BlameEntry,
7628 style: &EditorStyle,
7629 last_used_color: &mut Option<(Hsla, Oid)>,
7630 editor: Entity<Editor>,
7631 workspace: Entity<Workspace>,
7632 buffer: BufferId,
7633 renderer: &dyn BlameRenderer,
7634 window: &mut Window,
7635 cx: &mut App,
7636) -> Option<AnyElement> {
7637 let index: u32 = blame_entry.sha.into();
7638 let mut sha_color = cx.theme().players().color_for_participant(index).cursor;
7639
7640 // If the last color we used is the same as the one we get for this line, but
7641 // the commit SHAs are different, then we try again to get a different color.
7642 if let Some((color, sha)) = *last_used_color
7643 && sha != blame_entry.sha
7644 && color == sha_color
7645 {
7646 sha_color = cx.theme().players().color_for_participant(index + 1).cursor;
7647 }
7648 last_used_color.replace((sha_color, blame_entry.sha));
7649
7650 let blame = blame.read(cx);
7651 let details = blame.details_for_entry(buffer, &blame_entry);
7652 let repository = blame.repository(cx, buffer)?;
7653 renderer.render_blame_entry(
7654 &style.text,
7655 blame_entry,
7656 details,
7657 repository,
7658 workspace.downgrade(),
7659 editor,
7660 ix,
7661 sha_color,
7662 window,
7663 cx,
7664 )
7665}
7666
7667#[derive(Debug)]
7668pub(crate) struct LineWithInvisibles {
7669 fragments: SmallVec<[LineFragment; 1]>,
7670 invisibles: Vec<Invisible>,
7671 len: usize,
7672 pub(crate) width: Pixels,
7673 font_size: Pixels,
7674}
7675
7676enum LineFragment {
7677 Text(ShapedLine),
7678 Element {
7679 id: ChunkRendererId,
7680 element: Option<AnyElement>,
7681 size: Size<Pixels>,
7682 len: usize,
7683 },
7684}
7685
7686impl fmt::Debug for LineFragment {
7687 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
7688 match self {
7689 LineFragment::Text(shaped_line) => f.debug_tuple("Text").field(shaped_line).finish(),
7690 LineFragment::Element { size, len, .. } => f
7691 .debug_struct("Element")
7692 .field("size", size)
7693 .field("len", len)
7694 .finish(),
7695 }
7696 }
7697}
7698
7699impl LineWithInvisibles {
7700 fn from_chunks<'a>(
7701 chunks: impl Iterator<Item = HighlightedChunk<'a>>,
7702 editor_style: &EditorStyle,
7703 max_line_len: usize,
7704 max_line_count: usize,
7705 editor_mode: &EditorMode,
7706 text_width: Pixels,
7707 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
7708 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
7709 window: &mut Window,
7710 cx: &mut App,
7711 ) -> Vec<Self> {
7712 let text_style = &editor_style.text;
7713 let mut layouts = Vec::with_capacity(max_line_count);
7714 let mut fragments: SmallVec<[LineFragment; 1]> = SmallVec::new();
7715 let mut line = String::new();
7716 let mut invisibles = Vec::new();
7717 let mut width = Pixels::ZERO;
7718 let mut len = 0;
7719 let mut styles = Vec::new();
7720 let mut non_whitespace_added = false;
7721 let mut row = 0;
7722 let mut line_exceeded_max_len = false;
7723 let font_size = text_style.font_size.to_pixels(window.rem_size());
7724 let min_contrast = EditorSettings::get_global(cx).minimum_contrast_for_highlights;
7725
7726 let ellipsis = SharedString::from("β―");
7727
7728 for highlighted_chunk in chunks.chain([HighlightedChunk {
7729 text: "\n",
7730 style: None,
7731 is_tab: false,
7732 is_inlay: false,
7733 replacement: None,
7734 }]) {
7735 if let Some(replacement) = highlighted_chunk.replacement {
7736 if !line.is_empty() {
7737 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7738 let text_runs: &[TextRun] = if segments.is_empty() {
7739 &styles
7740 } else {
7741 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
7742 };
7743 let shaped_line = window.text_system().shape_line(
7744 line.clone().into(),
7745 font_size,
7746 text_runs,
7747 None,
7748 );
7749 width += shaped_line.width;
7750 len += shaped_line.len;
7751 fragments.push(LineFragment::Text(shaped_line));
7752 line.clear();
7753 styles.clear();
7754 }
7755
7756 match replacement {
7757 ChunkReplacement::Renderer(renderer) => {
7758 let available_width = if renderer.constrain_width {
7759 let chunk = if highlighted_chunk.text == ellipsis.as_ref() {
7760 ellipsis.clone()
7761 } else {
7762 SharedString::from(Arc::from(highlighted_chunk.text))
7763 };
7764 let shaped_line = window.text_system().shape_line(
7765 chunk,
7766 font_size,
7767 &[text_style.to_run(highlighted_chunk.text.len())],
7768 None,
7769 );
7770 AvailableSpace::Definite(shaped_line.width)
7771 } else {
7772 AvailableSpace::MinContent
7773 };
7774
7775 let mut element = (renderer.render)(&mut ChunkRendererContext {
7776 context: cx,
7777 window,
7778 max_width: text_width,
7779 });
7780 let line_height = text_style.line_height_in_pixels(window.rem_size());
7781 let size = element.layout_as_root(
7782 size(available_width, AvailableSpace::Definite(line_height)),
7783 window,
7784 cx,
7785 );
7786
7787 width += size.width;
7788 len += highlighted_chunk.text.len();
7789 fragments.push(LineFragment::Element {
7790 id: renderer.id,
7791 element: Some(element),
7792 size,
7793 len: highlighted_chunk.text.len(),
7794 });
7795 }
7796 ChunkReplacement::Str(x) => {
7797 let text_style = if let Some(style) = highlighted_chunk.style {
7798 Cow::Owned(text_style.clone().highlight(style))
7799 } else {
7800 Cow::Borrowed(text_style)
7801 };
7802
7803 let run = TextRun {
7804 len: x.len(),
7805 font: text_style.font(),
7806 color: text_style.color,
7807 background_color: text_style.background_color,
7808 underline: text_style.underline,
7809 strikethrough: text_style.strikethrough,
7810 };
7811 let line_layout = window
7812 .text_system()
7813 .shape_line(x, font_size, &[run], None)
7814 .with_len(highlighted_chunk.text.len());
7815
7816 width += line_layout.width;
7817 len += highlighted_chunk.text.len();
7818 fragments.push(LineFragment::Text(line_layout))
7819 }
7820 }
7821 } else {
7822 for (ix, mut line_chunk) in highlighted_chunk.text.split('\n').enumerate() {
7823 if ix > 0 {
7824 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7825 let text_runs = if segments.is_empty() {
7826 &styles
7827 } else {
7828 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
7829 };
7830 let shaped_line = window.text_system().shape_line(
7831 line.clone().into(),
7832 font_size,
7833 text_runs,
7834 None,
7835 );
7836 width += shaped_line.width;
7837 len += shaped_line.len;
7838 fragments.push(LineFragment::Text(shaped_line));
7839 layouts.push(Self {
7840 width: mem::take(&mut width),
7841 len: mem::take(&mut len),
7842 fragments: mem::take(&mut fragments),
7843 invisibles: std::mem::take(&mut invisibles),
7844 font_size,
7845 });
7846
7847 line.clear();
7848 styles.clear();
7849 row += 1;
7850 line_exceeded_max_len = false;
7851 non_whitespace_added = false;
7852 if row == max_line_count {
7853 return layouts;
7854 }
7855 }
7856
7857 if !line_chunk.is_empty() && !line_exceeded_max_len {
7858 let text_style = if let Some(style) = highlighted_chunk.style {
7859 Cow::Owned(text_style.clone().highlight(style))
7860 } else {
7861 Cow::Borrowed(text_style)
7862 };
7863
7864 if line.len() + line_chunk.len() > max_line_len {
7865 let mut chunk_len = max_line_len - line.len();
7866 while !line_chunk.is_char_boundary(chunk_len) {
7867 chunk_len -= 1;
7868 }
7869 line_chunk = &line_chunk[..chunk_len];
7870 line_exceeded_max_len = true;
7871 }
7872
7873 styles.push(TextRun {
7874 len: line_chunk.len(),
7875 font: text_style.font(),
7876 color: text_style.color,
7877 background_color: text_style.background_color,
7878 underline: text_style.underline,
7879 strikethrough: text_style.strikethrough,
7880 });
7881
7882 if editor_mode.is_full() && !highlighted_chunk.is_inlay {
7883 // Line wrap pads its contents with fake whitespaces,
7884 // avoid printing them
7885 let is_soft_wrapped = is_row_soft_wrapped(row);
7886 if highlighted_chunk.is_tab {
7887 if non_whitespace_added || !is_soft_wrapped {
7888 invisibles.push(Invisible::Tab {
7889 line_start_offset: line.len(),
7890 line_end_offset: line.len() + line_chunk.len(),
7891 });
7892 }
7893 } else {
7894 invisibles.extend(line_chunk.char_indices().filter_map(
7895 |(index, c)| {
7896 let is_whitespace = c.is_whitespace();
7897 non_whitespace_added |= !is_whitespace;
7898 if is_whitespace
7899 && (non_whitespace_added || !is_soft_wrapped)
7900 {
7901 Some(Invisible::Whitespace {
7902 line_offset: line.len() + index,
7903 })
7904 } else {
7905 None
7906 }
7907 },
7908 ))
7909 }
7910 }
7911
7912 line.push_str(line_chunk);
7913 }
7914 }
7915 }
7916 }
7917
7918 layouts
7919 }
7920
7921 /// Takes text runs and non-overlapping left-to-right background ranges with color.
7922 /// Returns new text runs with adjusted contrast as per background ranges.
7923 fn split_runs_by_bg_segments(
7924 text_runs: &[TextRun],
7925 bg_segments: &[(Range<DisplayPoint>, Hsla)],
7926 min_contrast: f32,
7927 start_col_offset: usize,
7928 ) -> Vec<TextRun> {
7929 let mut output_runs: Vec<TextRun> = Vec::with_capacity(text_runs.len());
7930 let mut line_col = start_col_offset;
7931 let mut segment_ix = 0usize;
7932
7933 for text_run in text_runs.iter() {
7934 let run_start_col = line_col;
7935 let run_end_col = run_start_col + text_run.len;
7936 while segment_ix < bg_segments.len()
7937 && (bg_segments[segment_ix].0.end.column() as usize) <= run_start_col
7938 {
7939 segment_ix += 1;
7940 }
7941 let mut cursor_col = run_start_col;
7942 let mut local_segment_ix = segment_ix;
7943 while local_segment_ix < bg_segments.len() {
7944 let (range, segment_color) = &bg_segments[local_segment_ix];
7945 let segment_start_col = range.start.column() as usize;
7946 let segment_end_col = range.end.column() as usize;
7947 if segment_start_col >= run_end_col {
7948 break;
7949 }
7950 if segment_start_col > cursor_col {
7951 let span_len = segment_start_col - cursor_col;
7952 output_runs.push(TextRun {
7953 len: span_len,
7954 font: text_run.font.clone(),
7955 color: text_run.color,
7956 background_color: text_run.background_color,
7957 underline: text_run.underline,
7958 strikethrough: text_run.strikethrough,
7959 });
7960 cursor_col = segment_start_col;
7961 }
7962 let segment_slice_end_col = segment_end_col.min(run_end_col);
7963 if segment_slice_end_col > cursor_col {
7964 let new_text_color =
7965 ensure_minimum_contrast(text_run.color, *segment_color, min_contrast);
7966 output_runs.push(TextRun {
7967 len: segment_slice_end_col - cursor_col,
7968 font: text_run.font.clone(),
7969 color: new_text_color,
7970 background_color: text_run.background_color,
7971 underline: text_run.underline,
7972 strikethrough: text_run.strikethrough,
7973 });
7974 cursor_col = segment_slice_end_col;
7975 }
7976 if segment_end_col >= run_end_col {
7977 break;
7978 }
7979 local_segment_ix += 1;
7980 }
7981 if cursor_col < run_end_col {
7982 output_runs.push(TextRun {
7983 len: run_end_col - cursor_col,
7984 font: text_run.font.clone(),
7985 color: text_run.color,
7986 background_color: text_run.background_color,
7987 underline: text_run.underline,
7988 strikethrough: text_run.strikethrough,
7989 });
7990 }
7991 line_col = run_end_col;
7992 segment_ix = local_segment_ix;
7993 }
7994 output_runs
7995 }
7996
7997 fn prepaint(
7998 &mut self,
7999 line_height: Pixels,
8000 scroll_position: gpui::Point<ScrollOffset>,
8001 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
8002 row: DisplayRow,
8003 content_origin: gpui::Point<Pixels>,
8004 line_elements: &mut SmallVec<[AnyElement; 1]>,
8005 window: &mut Window,
8006 cx: &mut App,
8007 ) {
8008 let line_y = f32::from(line_height) * Pixels::from(row.as_f64() - scroll_position.y);
8009 let mut fragment_origin =
8010 content_origin + gpui::point(Pixels::from(-scroll_pixel_position.x), line_y);
8011 for fragment in &mut self.fragments {
8012 match fragment {
8013 LineFragment::Text(line) => {
8014 fragment_origin.x += line.width;
8015 }
8016 LineFragment::Element { element, size, .. } => {
8017 let mut element = element
8018 .take()
8019 .expect("you can't prepaint LineWithInvisibles twice");
8020
8021 // Center the element vertically within the line.
8022 let mut element_origin = fragment_origin;
8023 element_origin.y += (line_height - size.height) / 2.;
8024 element.prepaint_at(element_origin, window, cx);
8025 line_elements.push(element);
8026
8027 fragment_origin.x += size.width;
8028 }
8029 }
8030 }
8031 }
8032
8033 fn draw(
8034 &self,
8035 layout: &EditorLayout,
8036 row: DisplayRow,
8037 content_origin: gpui::Point<Pixels>,
8038 whitespace_setting: ShowWhitespaceSetting,
8039 selection_ranges: &[Range<DisplayPoint>],
8040 window: &mut Window,
8041 cx: &mut App,
8042 ) {
8043 let line_height = layout.position_map.line_height;
8044 let line_y = line_height * (row.as_f64() - layout.position_map.scroll_position.y) as f32;
8045
8046 let mut fragment_origin = content_origin
8047 + gpui::point(
8048 Pixels::from(-layout.position_map.scroll_pixel_position.x),
8049 line_y,
8050 );
8051
8052 for fragment in &self.fragments {
8053 match fragment {
8054 LineFragment::Text(line) => {
8055 line.paint(fragment_origin, line_height, window, cx)
8056 .log_err();
8057 fragment_origin.x += line.width;
8058 }
8059 LineFragment::Element { size, .. } => {
8060 fragment_origin.x += size.width;
8061 }
8062 }
8063 }
8064
8065 self.draw_invisibles(
8066 selection_ranges,
8067 layout,
8068 content_origin,
8069 line_y,
8070 row,
8071 line_height,
8072 whitespace_setting,
8073 window,
8074 cx,
8075 );
8076 }
8077
8078 fn draw_background(
8079 &self,
8080 layout: &EditorLayout,
8081 row: DisplayRow,
8082 content_origin: gpui::Point<Pixels>,
8083 window: &mut Window,
8084 cx: &mut App,
8085 ) {
8086 let line_height = layout.position_map.line_height;
8087 let line_y = line_height * (row.as_f64() - layout.position_map.scroll_position.y) as f32;
8088
8089 let mut fragment_origin = content_origin
8090 + gpui::point(
8091 Pixels::from(-layout.position_map.scroll_pixel_position.x),
8092 line_y,
8093 );
8094
8095 for fragment in &self.fragments {
8096 match fragment {
8097 LineFragment::Text(line) => {
8098 line.paint_background(fragment_origin, line_height, window, cx)
8099 .log_err();
8100 fragment_origin.x += line.width;
8101 }
8102 LineFragment::Element { size, .. } => {
8103 fragment_origin.x += size.width;
8104 }
8105 }
8106 }
8107 }
8108
8109 fn draw_invisibles(
8110 &self,
8111 selection_ranges: &[Range<DisplayPoint>],
8112 layout: &EditorLayout,
8113 content_origin: gpui::Point<Pixels>,
8114 line_y: Pixels,
8115 row: DisplayRow,
8116 line_height: Pixels,
8117 whitespace_setting: ShowWhitespaceSetting,
8118 window: &mut Window,
8119 cx: &mut App,
8120 ) {
8121 let extract_whitespace_info = |invisible: &Invisible| {
8122 let (token_offset, token_end_offset, invisible_symbol) = match invisible {
8123 Invisible::Tab {
8124 line_start_offset,
8125 line_end_offset,
8126 } => (*line_start_offset, *line_end_offset, &layout.tab_invisible),
8127 Invisible::Whitespace { line_offset } => {
8128 (*line_offset, line_offset + 1, &layout.space_invisible)
8129 }
8130 };
8131
8132 let x_offset: ScrollPixelOffset = self.x_for_index(token_offset).into();
8133 let invisible_offset: ScrollPixelOffset =
8134 ((layout.position_map.em_width - invisible_symbol.width).max(Pixels::ZERO) / 2.0)
8135 .into();
8136 let origin = content_origin
8137 + gpui::point(
8138 Pixels::from(
8139 x_offset + invisible_offset - layout.position_map.scroll_pixel_position.x,
8140 ),
8141 line_y,
8142 );
8143
8144 (
8145 [token_offset, token_end_offset],
8146 Box::new(move |window: &mut Window, cx: &mut App| {
8147 invisible_symbol
8148 .paint(origin, line_height, window, cx)
8149 .log_err();
8150 }),
8151 )
8152 };
8153
8154 let invisible_iter = self.invisibles.iter().map(extract_whitespace_info);
8155 match whitespace_setting {
8156 ShowWhitespaceSetting::None => (),
8157 ShowWhitespaceSetting::All => invisible_iter.for_each(|(_, paint)| paint(window, cx)),
8158 ShowWhitespaceSetting::Selection => invisible_iter.for_each(|([start, _], paint)| {
8159 let invisible_point = DisplayPoint::new(row, start as u32);
8160 if !selection_ranges
8161 .iter()
8162 .any(|region| region.start <= invisible_point && invisible_point < region.end)
8163 {
8164 return;
8165 }
8166
8167 paint(window, cx);
8168 }),
8169
8170 ShowWhitespaceSetting::Trailing => {
8171 let mut previous_start = self.len;
8172 for ([start, end], paint) in invisible_iter.rev() {
8173 if previous_start != end {
8174 break;
8175 }
8176 previous_start = start;
8177 paint(window, cx);
8178 }
8179 }
8180
8181 // For a whitespace to be on a boundary, any of the following conditions need to be met:
8182 // - It is a tab
8183 // - It is adjacent to an edge (start or end)
8184 // - It is adjacent to a whitespace (left or right)
8185 ShowWhitespaceSetting::Boundary => {
8186 // 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
8187 // the above cases.
8188 // Note: We zip in the original `invisibles` to check for tab equality
8189 let mut last_seen: Option<(bool, usize, Box<dyn Fn(&mut Window, &mut App)>)> = None;
8190 for (([start, end], paint), invisible) in
8191 invisible_iter.zip_eq(self.invisibles.iter())
8192 {
8193 let should_render = match (&last_seen, invisible) {
8194 (_, Invisible::Tab { .. }) => true,
8195 (Some((_, last_end, _)), _) => *last_end == start,
8196 _ => false,
8197 };
8198
8199 if should_render || start == 0 || end == self.len {
8200 paint(window, cx);
8201
8202 // Since we are scanning from the left, we will skip over the first available whitespace that is part
8203 // of a boundary between non-whitespace segments, so we correct by manually redrawing it if needed.
8204 if let Some((should_render_last, last_end, paint_last)) = last_seen {
8205 // Note that we need to make sure that the last one is actually adjacent
8206 if !should_render_last && last_end == start {
8207 paint_last(window, cx);
8208 }
8209 }
8210 }
8211
8212 // Manually render anything within a selection
8213 let invisible_point = DisplayPoint::new(row, start as u32);
8214 if selection_ranges.iter().any(|region| {
8215 region.start <= invisible_point && invisible_point < region.end
8216 }) {
8217 paint(window, cx);
8218 }
8219
8220 last_seen = Some((should_render, end, paint));
8221 }
8222 }
8223 }
8224 }
8225
8226 pub fn x_for_index(&self, index: usize) -> Pixels {
8227 let mut fragment_start_x = Pixels::ZERO;
8228 let mut fragment_start_index = 0;
8229
8230 for fragment in &self.fragments {
8231 match fragment {
8232 LineFragment::Text(shaped_line) => {
8233 let fragment_end_index = fragment_start_index + shaped_line.len;
8234 if index < fragment_end_index {
8235 return fragment_start_x
8236 + shaped_line.x_for_index(index - fragment_start_index);
8237 }
8238 fragment_start_x += shaped_line.width;
8239 fragment_start_index = fragment_end_index;
8240 }
8241 LineFragment::Element { len, size, .. } => {
8242 let fragment_end_index = fragment_start_index + len;
8243 if index < fragment_end_index {
8244 return fragment_start_x;
8245 }
8246 fragment_start_x += size.width;
8247 fragment_start_index = fragment_end_index;
8248 }
8249 }
8250 }
8251
8252 fragment_start_x
8253 }
8254
8255 pub fn index_for_x(&self, x: Pixels) -> Option<usize> {
8256 let mut fragment_start_x = Pixels::ZERO;
8257 let mut fragment_start_index = 0;
8258
8259 for fragment in &self.fragments {
8260 match fragment {
8261 LineFragment::Text(shaped_line) => {
8262 let fragment_end_x = fragment_start_x + shaped_line.width;
8263 if x < fragment_end_x {
8264 return Some(
8265 fragment_start_index + shaped_line.index_for_x(x - fragment_start_x)?,
8266 );
8267 }
8268 fragment_start_x = fragment_end_x;
8269 fragment_start_index += shaped_line.len;
8270 }
8271 LineFragment::Element { len, size, .. } => {
8272 let fragment_end_x = fragment_start_x + size.width;
8273 if x < fragment_end_x {
8274 return Some(fragment_start_index);
8275 }
8276 fragment_start_index += len;
8277 fragment_start_x = fragment_end_x;
8278 }
8279 }
8280 }
8281
8282 None
8283 }
8284
8285 pub fn font_id_for_index(&self, index: usize) -> Option<FontId> {
8286 let mut fragment_start_index = 0;
8287
8288 for fragment in &self.fragments {
8289 match fragment {
8290 LineFragment::Text(shaped_line) => {
8291 let fragment_end_index = fragment_start_index + shaped_line.len;
8292 if index < fragment_end_index {
8293 return shaped_line.font_id_for_index(index - fragment_start_index);
8294 }
8295 fragment_start_index = fragment_end_index;
8296 }
8297 LineFragment::Element { len, .. } => {
8298 let fragment_end_index = fragment_start_index + len;
8299 if index < fragment_end_index {
8300 return None;
8301 }
8302 fragment_start_index = fragment_end_index;
8303 }
8304 }
8305 }
8306
8307 None
8308 }
8309}
8310
8311#[derive(Debug, Clone, Copy, PartialEq, Eq)]
8312enum Invisible {
8313 /// A tab character
8314 ///
8315 /// A tab character is internally represented by spaces (configured by the user's tab width)
8316 /// aligned to the nearest column, so it's necessary to store the start and end offset for
8317 /// adjacency checks.
8318 Tab {
8319 line_start_offset: usize,
8320 line_end_offset: usize,
8321 },
8322 Whitespace {
8323 line_offset: usize,
8324 },
8325}
8326
8327impl EditorElement {
8328 /// Returns the rem size to use when rendering the [`EditorElement`].
8329 ///
8330 /// This allows UI elements to scale based on the `buffer_font_size`.
8331 fn rem_size(&self, cx: &mut App) -> Option<Pixels> {
8332 match self.editor.read(cx).mode {
8333 EditorMode::Full {
8334 scale_ui_elements_with_buffer_font_size: true,
8335 ..
8336 }
8337 | EditorMode::Minimap { .. } => {
8338 let buffer_font_size = self.style.text.font_size;
8339 match buffer_font_size {
8340 AbsoluteLength::Pixels(pixels) => {
8341 let rem_size_scale = {
8342 // Our default UI font size is 14px on a 16px base scale.
8343 // This means the default UI font size is 0.875rems.
8344 let default_font_size_scale = 14. / ui::BASE_REM_SIZE_IN_PX;
8345
8346 // We then determine the delta between a single rem and the default font
8347 // size scale.
8348 let default_font_size_delta = 1. - default_font_size_scale;
8349
8350 // Finally, we add this delta to 1rem to get the scale factor that
8351 // should be used to scale up the UI.
8352 1. + default_font_size_delta
8353 };
8354
8355 Some(pixels * rem_size_scale)
8356 }
8357 AbsoluteLength::Rems(rems) => {
8358 Some(rems.to_pixels(ui::BASE_REM_SIZE_IN_PX.into()))
8359 }
8360 }
8361 }
8362 // We currently use single-line and auto-height editors in UI contexts,
8363 // so we don't want to scale everything with the buffer font size, as it
8364 // ends up looking off.
8365 _ => None,
8366 }
8367 }
8368
8369 fn editor_with_selections(&self, cx: &App) -> Option<Entity<Editor>> {
8370 if let EditorMode::Minimap { parent } = self.editor.read(cx).mode() {
8371 parent.upgrade()
8372 } else {
8373 Some(self.editor.clone())
8374 }
8375 }
8376}
8377
8378impl Element for EditorElement {
8379 type RequestLayoutState = ();
8380 type PrepaintState = EditorLayout;
8381
8382 fn id(&self) -> Option<ElementId> {
8383 None
8384 }
8385
8386 fn source_location(&self) -> Option<&'static core::panic::Location<'static>> {
8387 None
8388 }
8389
8390 fn request_layout(
8391 &mut self,
8392 _: Option<&GlobalElementId>,
8393 _inspector_id: Option<&gpui::InspectorElementId>,
8394 window: &mut Window,
8395 cx: &mut App,
8396 ) -> (gpui::LayoutId, ()) {
8397 let rem_size = self.rem_size(cx);
8398 window.with_rem_size(rem_size, |window| {
8399 self.editor.update(cx, |editor, cx| {
8400 editor.set_style(self.style.clone(), window, cx);
8401
8402 let layout_id = match editor.mode {
8403 EditorMode::SingleLine => {
8404 let rem_size = window.rem_size();
8405 let height = self.style.text.line_height_in_pixels(rem_size);
8406 let mut style = Style::default();
8407 style.size.height = height.into();
8408 style.size.width = relative(1.).into();
8409 window.request_layout(style, None, cx)
8410 }
8411 EditorMode::AutoHeight {
8412 min_lines,
8413 max_lines,
8414 } => {
8415 let editor_handle = cx.entity();
8416 let max_line_number_width =
8417 self.max_line_number_width(&editor.snapshot(window, cx), window);
8418 window.request_measured_layout(
8419 Style::default(),
8420 move |known_dimensions, available_space, window, cx| {
8421 editor_handle
8422 .update(cx, |editor, cx| {
8423 compute_auto_height_layout(
8424 editor,
8425 min_lines,
8426 max_lines,
8427 max_line_number_width,
8428 known_dimensions,
8429 available_space.width,
8430 window,
8431 cx,
8432 )
8433 })
8434 .unwrap_or_default()
8435 },
8436 )
8437 }
8438 EditorMode::Minimap { .. } => {
8439 let mut style = Style::default();
8440 style.size.width = relative(1.).into();
8441 style.size.height = relative(1.).into();
8442 window.request_layout(style, None, cx)
8443 }
8444 EditorMode::Full {
8445 sized_by_content, ..
8446 } => {
8447 let mut style = Style::default();
8448 style.size.width = relative(1.).into();
8449 if sized_by_content {
8450 let snapshot = editor.snapshot(window, cx);
8451 let line_height =
8452 self.style.text.line_height_in_pixels(window.rem_size());
8453 let scroll_height =
8454 (snapshot.max_point().row().next_row().0 as f32) * line_height;
8455 style.size.height = scroll_height.into();
8456 } else {
8457 style.size.height = relative(1.).into();
8458 }
8459 window.request_layout(style, None, cx)
8460 }
8461 };
8462
8463 (layout_id, ())
8464 })
8465 })
8466 }
8467
8468 fn prepaint(
8469 &mut self,
8470 _: Option<&GlobalElementId>,
8471 _inspector_id: Option<&gpui::InspectorElementId>,
8472 bounds: Bounds<Pixels>,
8473 _: &mut Self::RequestLayoutState,
8474 window: &mut Window,
8475 cx: &mut App,
8476 ) -> Self::PrepaintState {
8477 let text_style = TextStyleRefinement {
8478 font_size: Some(self.style.text.font_size),
8479 line_height: Some(self.style.text.line_height),
8480 ..Default::default()
8481 };
8482
8483 let is_minimap = self.editor.read(cx).mode.is_minimap();
8484
8485 if !is_minimap {
8486 let focus_handle = self.editor.focus_handle(cx);
8487 window.set_view_id(self.editor.entity_id());
8488 window.set_focus_handle(&focus_handle, cx);
8489 }
8490
8491 let rem_size = self.rem_size(cx);
8492 window.with_rem_size(rem_size, |window| {
8493 window.with_text_style(Some(text_style), |window| {
8494 window.with_content_mask(Some(ContentMask { bounds }), |window| {
8495 let (mut snapshot, is_read_only) = self.editor.update(cx, |editor, cx| {
8496 (editor.snapshot(window, cx), editor.read_only(cx))
8497 });
8498 let style = &self.style;
8499
8500 let rem_size = window.rem_size();
8501 let font_id = window.text_system().resolve_font(&style.text.font());
8502 let font_size = style.text.font_size.to_pixels(rem_size);
8503 let line_height = style.text.line_height_in_pixels(rem_size);
8504 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
8505 let em_advance = window.text_system().em_advance(font_id, font_size).unwrap();
8506 let glyph_grid_cell = size(em_advance, line_height);
8507
8508 let gutter_dimensions = snapshot
8509 .gutter_dimensions(
8510 font_id,
8511 font_size,
8512 self.max_line_number_width(&snapshot, window),
8513 cx,
8514 )
8515 .or_else(|| {
8516 self.editor.read(cx).offset_content.then(|| {
8517 GutterDimensions::default_with_margin(font_id, font_size, cx)
8518 })
8519 })
8520 .unwrap_or_default();
8521 let text_width = bounds.size.width - gutter_dimensions.width;
8522
8523 let settings = EditorSettings::get_global(cx);
8524 let scrollbars_shown = settings.scrollbar.show != ShowScrollbar::Never;
8525 let vertical_scrollbar_width = (scrollbars_shown
8526 && settings.scrollbar.axes.vertical
8527 && self.editor.read(cx).show_scrollbars.vertical)
8528 .then_some(style.scrollbar_width)
8529 .unwrap_or_default();
8530 let minimap_width = self
8531 .get_minimap_width(
8532 &settings.minimap,
8533 scrollbars_shown,
8534 text_width,
8535 em_width,
8536 font_size,
8537 rem_size,
8538 cx,
8539 )
8540 .unwrap_or_default();
8541
8542 let right_margin = minimap_width + vertical_scrollbar_width;
8543
8544 let editor_width =
8545 text_width - gutter_dimensions.margin - 2 * em_width - right_margin;
8546 let editor_margins = EditorMargins {
8547 gutter: gutter_dimensions,
8548 right: right_margin,
8549 };
8550
8551 snapshot = self.editor.update(cx, |editor, cx| {
8552 editor.last_bounds = Some(bounds);
8553 editor.gutter_dimensions = gutter_dimensions;
8554 editor.set_visible_line_count(
8555 (bounds.size.height / line_height) as f64,
8556 window,
8557 cx,
8558 );
8559 editor.set_visible_column_count(f64::from(editor_width / em_advance));
8560
8561 if matches!(
8562 editor.mode,
8563 EditorMode::AutoHeight { .. } | EditorMode::Minimap { .. }
8564 ) {
8565 snapshot
8566 } else {
8567 let wrap_width_for = |column: u32| (column as f32 * em_advance).ceil();
8568 let wrap_width = match editor.soft_wrap_mode(cx) {
8569 SoftWrap::GitDiff => None,
8570 SoftWrap::None => Some(wrap_width_for(MAX_LINE_LEN as u32 / 2)),
8571 SoftWrap::EditorWidth => Some(editor_width),
8572 SoftWrap::Column(column) => Some(wrap_width_for(column)),
8573 SoftWrap::Bounded(column) => {
8574 Some(editor_width.min(wrap_width_for(column)))
8575 }
8576 };
8577
8578 if editor.set_wrap_width(wrap_width, cx) {
8579 editor.snapshot(window, cx)
8580 } else {
8581 snapshot
8582 }
8583 }
8584 });
8585
8586 let hitbox = window.insert_hitbox(bounds, HitboxBehavior::Normal);
8587 let gutter_hitbox = window.insert_hitbox(
8588 gutter_bounds(bounds, gutter_dimensions),
8589 HitboxBehavior::Normal,
8590 );
8591 let text_hitbox = window.insert_hitbox(
8592 Bounds {
8593 origin: gutter_hitbox.top_right(),
8594 size: size(text_width, bounds.size.height),
8595 },
8596 HitboxBehavior::Normal,
8597 );
8598
8599 // Offset the content_bounds from the text_bounds by the gutter margin (which
8600 // is roughly half a character wide) to make hit testing work more like how we want.
8601 let content_offset = point(editor_margins.gutter.margin, Pixels::ZERO);
8602 let content_origin = text_hitbox.origin + content_offset;
8603
8604 let height_in_lines = f64::from(bounds.size.height / line_height);
8605 let max_row = snapshot.max_point().row().as_f64();
8606
8607 // The max scroll position for the top of the window
8608 let max_scroll_top = if matches!(
8609 snapshot.mode,
8610 EditorMode::SingleLine
8611 | EditorMode::AutoHeight { .. }
8612 | EditorMode::Full {
8613 sized_by_content: true,
8614 ..
8615 }
8616 ) {
8617 (max_row - height_in_lines + 1.).max(0.)
8618 } else {
8619 let settings = EditorSettings::get_global(cx);
8620 match settings.scroll_beyond_last_line {
8621 ScrollBeyondLastLine::OnePage => max_row,
8622 ScrollBeyondLastLine::Off => (max_row - height_in_lines + 1.).max(0.),
8623 ScrollBeyondLastLine::VerticalScrollMargin => {
8624 (max_row - height_in_lines + 1. + settings.vertical_scroll_margin)
8625 .max(0.)
8626 }
8627 }
8628 };
8629
8630 let (
8631 autoscroll_request,
8632 autoscroll_containing_element,
8633 needs_horizontal_autoscroll,
8634 ) = self.editor.update(cx, |editor, cx| {
8635 let autoscroll_request = editor.scroll_manager.take_autoscroll_request();
8636
8637 let autoscroll_containing_element =
8638 autoscroll_request.is_some() || editor.has_pending_selection();
8639
8640 let (needs_horizontal_autoscroll, was_scrolled) = editor
8641 .autoscroll_vertically(
8642 bounds,
8643 line_height,
8644 max_scroll_top,
8645 autoscroll_request,
8646 window,
8647 cx,
8648 );
8649 if was_scrolled.0 {
8650 snapshot = editor.snapshot(window, cx);
8651 }
8652 (
8653 autoscroll_request,
8654 autoscroll_containing_element,
8655 needs_horizontal_autoscroll,
8656 )
8657 });
8658
8659 let mut scroll_position = snapshot.scroll_position();
8660 // The scroll position is a fractional point, the whole number of which represents
8661 // the top of the window in terms of display rows.
8662 let start_row = DisplayRow(scroll_position.y as u32);
8663 let max_row = snapshot.max_point().row();
8664 let end_row = cmp::min(
8665 (scroll_position.y + height_in_lines).ceil() as u32,
8666 max_row.next_row().0,
8667 );
8668 let end_row = DisplayRow(end_row);
8669
8670 let row_infos = snapshot
8671 .row_infos(start_row)
8672 .take((start_row..end_row).len())
8673 .collect::<Vec<RowInfo>>();
8674 let is_row_soft_wrapped = |row: usize| {
8675 row_infos
8676 .get(row)
8677 .is_none_or(|info| info.buffer_row.is_none())
8678 };
8679
8680 let start_anchor = if start_row == Default::default() {
8681 Anchor::min()
8682 } else {
8683 snapshot.buffer_snapshot().anchor_before(
8684 DisplayPoint::new(start_row, 0).to_offset(&snapshot, Bias::Left),
8685 )
8686 };
8687 let end_anchor = if end_row > max_row {
8688 Anchor::max()
8689 } else {
8690 snapshot.buffer_snapshot().anchor_before(
8691 DisplayPoint::new(end_row, 0).to_offset(&snapshot, Bias::Right),
8692 )
8693 };
8694
8695 let mut highlighted_rows = self
8696 .editor
8697 .update(cx, |editor, cx| editor.highlighted_display_rows(window, cx));
8698
8699 let is_light = cx.theme().appearance().is_light();
8700
8701 for (ix, row_info) in row_infos.iter().enumerate() {
8702 let Some(diff_status) = row_info.diff_status else {
8703 continue;
8704 };
8705
8706 let background_color = match diff_status.kind {
8707 DiffHunkStatusKind::Added => cx.theme().colors().version_control_added,
8708 DiffHunkStatusKind::Deleted => {
8709 cx.theme().colors().version_control_deleted
8710 }
8711 DiffHunkStatusKind::Modified => {
8712 debug_panic!("modified diff status for row info");
8713 continue;
8714 }
8715 };
8716
8717 let hunk_opacity = if is_light { 0.16 } else { 0.12 };
8718
8719 let hollow_highlight = LineHighlight {
8720 background: (background_color.opacity(if is_light {
8721 0.08
8722 } else {
8723 0.06
8724 }))
8725 .into(),
8726 border: Some(if is_light {
8727 background_color.opacity(0.48)
8728 } else {
8729 background_color.opacity(0.36)
8730 }),
8731 include_gutter: true,
8732 type_id: None,
8733 };
8734
8735 let filled_highlight = LineHighlight {
8736 background: solid_background(background_color.opacity(hunk_opacity)),
8737 border: None,
8738 include_gutter: true,
8739 type_id: None,
8740 };
8741
8742 let background = if Self::diff_hunk_hollow(diff_status, cx) {
8743 hollow_highlight
8744 } else {
8745 filled_highlight
8746 };
8747
8748 highlighted_rows
8749 .entry(start_row + DisplayRow(ix as u32))
8750 .or_insert(background);
8751 }
8752
8753 let highlighted_ranges = self
8754 .editor_with_selections(cx)
8755 .map(|editor| {
8756 editor.read(cx).background_highlights_in_range(
8757 start_anchor..end_anchor,
8758 &snapshot.display_snapshot,
8759 cx.theme(),
8760 )
8761 })
8762 .unwrap_or_default();
8763 let highlighted_gutter_ranges =
8764 self.editor.read(cx).gutter_highlights_in_range(
8765 start_anchor..end_anchor,
8766 &snapshot.display_snapshot,
8767 cx,
8768 );
8769
8770 let document_colors = self
8771 .editor
8772 .read(cx)
8773 .colors
8774 .as_ref()
8775 .map(|colors| colors.editor_display_highlights(&snapshot));
8776 let redacted_ranges = self.editor.read(cx).redacted_ranges(
8777 start_anchor..end_anchor,
8778 &snapshot.display_snapshot,
8779 cx,
8780 );
8781
8782 let (local_selections, selected_buffer_ids): (
8783 Vec<Selection<Point>>,
8784 Vec<BufferId>,
8785 ) = self
8786 .editor_with_selections(cx)
8787 .map(|editor| {
8788 editor.update(cx, |editor, cx| {
8789 let all_selections = editor.selections.all::<Point>(cx);
8790 let selected_buffer_ids =
8791 if editor.buffer_kind(cx) == ItemBufferKind::Singleton {
8792 Vec::new()
8793 } else {
8794 let mut selected_buffer_ids =
8795 Vec::with_capacity(all_selections.len());
8796
8797 for selection in all_selections {
8798 for buffer_id in snapshot
8799 .buffer_snapshot()
8800 .buffer_ids_for_range(selection.range())
8801 {
8802 if selected_buffer_ids.last() != Some(&buffer_id) {
8803 selected_buffer_ids.push(buffer_id);
8804 }
8805 }
8806 }
8807
8808 selected_buffer_ids
8809 };
8810
8811 let mut selections = editor
8812 .selections
8813 .disjoint_in_range(start_anchor..end_anchor, cx);
8814 selections.extend(editor.selections.pending(cx));
8815
8816 (selections, selected_buffer_ids)
8817 })
8818 })
8819 .unwrap_or_default();
8820
8821 let (selections, mut active_rows, newest_selection_head) = self
8822 .layout_selections(
8823 start_anchor,
8824 end_anchor,
8825 &local_selections,
8826 &snapshot,
8827 start_row,
8828 end_row,
8829 window,
8830 cx,
8831 );
8832 let mut breakpoint_rows = self.editor.update(cx, |editor, cx| {
8833 editor.active_breakpoints(start_row..end_row, window, cx)
8834 });
8835 for (display_row, (_, bp, state)) in &breakpoint_rows {
8836 if bp.is_enabled() && state.is_none_or(|s| s.verified) {
8837 active_rows.entry(*display_row).or_default().breakpoint = true;
8838 }
8839 }
8840
8841 let line_numbers = self.layout_line_numbers(
8842 Some(&gutter_hitbox),
8843 gutter_dimensions,
8844 line_height,
8845 scroll_position,
8846 start_row..end_row,
8847 &row_infos,
8848 &active_rows,
8849 newest_selection_head,
8850 &snapshot,
8851 window,
8852 cx,
8853 );
8854
8855 // We add the gutter breakpoint indicator to breakpoint_rows after painting
8856 // line numbers so we don't paint a line number debug accent color if a user
8857 // has their mouse over that line when a breakpoint isn't there
8858 self.editor.update(cx, |editor, _| {
8859 if let Some(phantom_breakpoint) = &mut editor
8860 .gutter_breakpoint_indicator
8861 .0
8862 .filter(|phantom_breakpoint| phantom_breakpoint.is_active)
8863 {
8864 // Is there a non-phantom breakpoint on this line?
8865 phantom_breakpoint.collides_with_existing_breakpoint = true;
8866 breakpoint_rows
8867 .entry(phantom_breakpoint.display_row)
8868 .or_insert_with(|| {
8869 let position = snapshot.display_point_to_anchor(
8870 DisplayPoint::new(phantom_breakpoint.display_row, 0),
8871 Bias::Right,
8872 );
8873 let breakpoint = Breakpoint::new_standard();
8874 phantom_breakpoint.collides_with_existing_breakpoint = false;
8875 (position, breakpoint, None)
8876 });
8877 }
8878 });
8879
8880 let mut expand_toggles =
8881 window.with_element_namespace("expand_toggles", |window| {
8882 self.layout_expand_toggles(
8883 &gutter_hitbox,
8884 gutter_dimensions,
8885 em_width,
8886 line_height,
8887 scroll_position,
8888 &row_infos,
8889 window,
8890 cx,
8891 )
8892 });
8893
8894 let mut crease_toggles =
8895 window.with_element_namespace("crease_toggles", |window| {
8896 self.layout_crease_toggles(
8897 start_row..end_row,
8898 &row_infos,
8899 &active_rows,
8900 &snapshot,
8901 window,
8902 cx,
8903 )
8904 });
8905 let crease_trailers =
8906 window.with_element_namespace("crease_trailers", |window| {
8907 self.layout_crease_trailers(
8908 row_infos.iter().copied(),
8909 &snapshot,
8910 window,
8911 cx,
8912 )
8913 });
8914
8915 let display_hunks = self.layout_gutter_diff_hunks(
8916 line_height,
8917 &gutter_hitbox,
8918 start_row..end_row,
8919 &snapshot,
8920 window,
8921 cx,
8922 );
8923
8924 let bg_segments_per_row = Self::bg_segments_per_row(
8925 start_row..end_row,
8926 &selections,
8927 &highlighted_ranges,
8928 self.style.background,
8929 );
8930
8931 let mut line_layouts = Self::layout_lines(
8932 start_row..end_row,
8933 &snapshot,
8934 &self.style,
8935 editor_width,
8936 is_row_soft_wrapped,
8937 &bg_segments_per_row,
8938 window,
8939 cx,
8940 );
8941 let new_renderer_widths = (!is_minimap).then(|| {
8942 line_layouts
8943 .iter()
8944 .flat_map(|layout| &layout.fragments)
8945 .filter_map(|fragment| {
8946 if let LineFragment::Element { id, size, .. } = fragment {
8947 Some((*id, size.width))
8948 } else {
8949 None
8950 }
8951 })
8952 });
8953 if new_renderer_widths.is_some_and(|new_renderer_widths| {
8954 self.editor.update(cx, |editor, cx| {
8955 editor.update_renderer_widths(new_renderer_widths, cx)
8956 })
8957 }) {
8958 // If the fold widths have changed, we need to prepaint
8959 // the element again to account for any changes in
8960 // wrapping.
8961 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
8962 }
8963
8964 let longest_line_blame_width = self
8965 .editor
8966 .update(cx, |editor, cx| {
8967 if !editor.show_git_blame_inline {
8968 return None;
8969 }
8970 let blame = editor.blame.as_ref()?;
8971 let (_, blame_entry) = blame
8972 .update(cx, |blame, cx| {
8973 let row_infos =
8974 snapshot.row_infos(snapshot.longest_row()).next()?;
8975 blame.blame_for_rows(&[row_infos], cx).next()
8976 })
8977 .flatten()?;
8978 let mut element = render_inline_blame_entry(blame_entry, style, cx)?;
8979 let inline_blame_padding =
8980 ProjectSettings::get_global(cx).git.inline_blame.padding as f32
8981 * em_advance;
8982 Some(
8983 element
8984 .layout_as_root(AvailableSpace::min_size(), window, cx)
8985 .width
8986 + inline_blame_padding,
8987 )
8988 })
8989 .unwrap_or(Pixels::ZERO);
8990
8991 let longest_line_width = layout_line(
8992 snapshot.longest_row(),
8993 &snapshot,
8994 style,
8995 editor_width,
8996 is_row_soft_wrapped,
8997 window,
8998 cx,
8999 )
9000 .width;
9001
9002 let scrollbar_layout_information = ScrollbarLayoutInformation::new(
9003 text_hitbox.bounds,
9004 glyph_grid_cell,
9005 size(
9006 longest_line_width,
9007 Pixels::from(max_row.as_f64() * f64::from(line_height)),
9008 ),
9009 longest_line_blame_width,
9010 EditorSettings::get_global(cx),
9011 );
9012
9013 let mut scroll_width = scrollbar_layout_information.scroll_range.width;
9014
9015 let sticky_header_excerpt = if snapshot.buffer_snapshot().show_headers() {
9016 snapshot.sticky_header_excerpt(scroll_position.y)
9017 } else {
9018 None
9019 };
9020 let sticky_header_excerpt_id =
9021 sticky_header_excerpt.as_ref().map(|top| top.excerpt.id);
9022
9023 let blocks = (!is_minimap)
9024 .then(|| {
9025 window.with_element_namespace("blocks", |window| {
9026 self.render_blocks(
9027 start_row..end_row,
9028 &snapshot,
9029 &hitbox,
9030 &text_hitbox,
9031 editor_width,
9032 &mut scroll_width,
9033 &editor_margins,
9034 em_width,
9035 gutter_dimensions.full_width(),
9036 line_height,
9037 &mut line_layouts,
9038 &local_selections,
9039 &selected_buffer_ids,
9040 is_row_soft_wrapped,
9041 sticky_header_excerpt_id,
9042 window,
9043 cx,
9044 )
9045 })
9046 })
9047 .unwrap_or_else(|| Ok((Vec::default(), HashMap::default())));
9048 let (mut blocks, row_block_types) = match blocks {
9049 Ok(blocks) => blocks,
9050 Err(resized_blocks) => {
9051 self.editor.update(cx, |editor, cx| {
9052 editor.resize_blocks(
9053 resized_blocks,
9054 autoscroll_request.map(|(autoscroll, _)| autoscroll),
9055 cx,
9056 )
9057 });
9058 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
9059 }
9060 };
9061
9062 let sticky_buffer_header = sticky_header_excerpt.map(|sticky_header_excerpt| {
9063 window.with_element_namespace("blocks", |window| {
9064 self.layout_sticky_buffer_header(
9065 sticky_header_excerpt,
9066 scroll_position,
9067 line_height,
9068 right_margin,
9069 &snapshot,
9070 &hitbox,
9071 &selected_buffer_ids,
9072 &blocks,
9073 window,
9074 cx,
9075 )
9076 })
9077 });
9078
9079 let start_buffer_row =
9080 MultiBufferRow(start_anchor.to_point(&snapshot.buffer_snapshot()).row);
9081 let end_buffer_row =
9082 MultiBufferRow(end_anchor.to_point(&snapshot.buffer_snapshot()).row);
9083
9084 let scroll_max: gpui::Point<ScrollPixelOffset> = point(
9085 ScrollPixelOffset::from(
9086 ((scroll_width - editor_width) / em_advance).max(0.0),
9087 ),
9088 max_scroll_top,
9089 );
9090
9091 self.editor.update(cx, |editor, cx| {
9092 if editor.scroll_manager.clamp_scroll_left(scroll_max.x) {
9093 scroll_position.x = scroll_position.x.min(scroll_max.x);
9094 }
9095
9096 if needs_horizontal_autoscroll.0
9097 && let Some(new_scroll_position) = editor.autoscroll_horizontally(
9098 start_row,
9099 editor_width,
9100 scroll_width,
9101 em_advance,
9102 &line_layouts,
9103 autoscroll_request,
9104 window,
9105 cx,
9106 )
9107 {
9108 scroll_position = new_scroll_position;
9109 }
9110 });
9111
9112 let scroll_pixel_position = point(
9113 scroll_position.x * f64::from(em_advance),
9114 scroll_position.y * f64::from(line_height),
9115 );
9116 let indent_guides = self.layout_indent_guides(
9117 content_origin,
9118 text_hitbox.origin,
9119 start_buffer_row..end_buffer_row,
9120 scroll_pixel_position,
9121 line_height,
9122 &snapshot,
9123 window,
9124 cx,
9125 );
9126
9127 let crease_trailers =
9128 window.with_element_namespace("crease_trailers", |window| {
9129 self.prepaint_crease_trailers(
9130 crease_trailers,
9131 &line_layouts,
9132 line_height,
9133 content_origin,
9134 scroll_pixel_position,
9135 em_width,
9136 window,
9137 cx,
9138 )
9139 });
9140
9141 let (edit_prediction_popover, edit_prediction_popover_origin) = self
9142 .editor
9143 .update(cx, |editor, cx| {
9144 editor.render_edit_prediction_popover(
9145 &text_hitbox.bounds,
9146 content_origin,
9147 right_margin,
9148 &snapshot,
9149 start_row..end_row,
9150 scroll_position.y,
9151 scroll_position.y + height_in_lines,
9152 &line_layouts,
9153 line_height,
9154 scroll_position,
9155 scroll_pixel_position,
9156 newest_selection_head,
9157 editor_width,
9158 style,
9159 window,
9160 cx,
9161 )
9162 })
9163 .unzip();
9164
9165 let mut inline_diagnostics = self.layout_inline_diagnostics(
9166 &line_layouts,
9167 &crease_trailers,
9168 &row_block_types,
9169 content_origin,
9170 scroll_position,
9171 scroll_pixel_position,
9172 edit_prediction_popover_origin,
9173 start_row,
9174 end_row,
9175 line_height,
9176 em_width,
9177 style,
9178 window,
9179 cx,
9180 );
9181
9182 let mut inline_blame_layout = None;
9183 let mut inline_code_actions = None;
9184 if let Some(newest_selection_head) = newest_selection_head {
9185 let display_row = newest_selection_head.row();
9186 if (start_row..end_row).contains(&display_row)
9187 && !row_block_types.contains_key(&display_row)
9188 {
9189 inline_code_actions = self.layout_inline_code_actions(
9190 newest_selection_head,
9191 content_origin,
9192 scroll_position,
9193 scroll_pixel_position,
9194 line_height,
9195 &snapshot,
9196 window,
9197 cx,
9198 );
9199
9200 let line_ix = display_row.minus(start_row) as usize;
9201 if let (Some(row_info), Some(line_layout), Some(crease_trailer)) = (
9202 row_infos.get(line_ix),
9203 line_layouts.get(line_ix),
9204 crease_trailers.get(line_ix),
9205 ) {
9206 let crease_trailer_layout = crease_trailer.as_ref();
9207 if let Some(layout) = self.layout_inline_blame(
9208 display_row,
9209 row_info,
9210 line_layout,
9211 crease_trailer_layout,
9212 em_width,
9213 content_origin,
9214 scroll_position,
9215 scroll_pixel_position,
9216 line_height,
9217 &text_hitbox,
9218 window,
9219 cx,
9220 ) {
9221 inline_blame_layout = Some(layout);
9222 // Blame overrides inline diagnostics
9223 inline_diagnostics.remove(&display_row);
9224 }
9225 } else {
9226 log::error!(
9227 "bug: line_ix {} is out of bounds - row_infos.len(): {}, \
9228 line_layouts.len(): {}, \
9229 crease_trailers.len(): {}",
9230 line_ix,
9231 row_infos.len(),
9232 line_layouts.len(),
9233 crease_trailers.len(),
9234 );
9235 }
9236 }
9237 }
9238
9239 let blamed_display_rows = self.layout_blame_entries(
9240 &row_infos,
9241 em_width,
9242 scroll_position,
9243 line_height,
9244 &gutter_hitbox,
9245 gutter_dimensions.git_blame_entries_width,
9246 window,
9247 cx,
9248 );
9249
9250 let line_elements = self.prepaint_lines(
9251 start_row,
9252 &mut line_layouts,
9253 line_height,
9254 scroll_position,
9255 scroll_pixel_position,
9256 content_origin,
9257 window,
9258 cx,
9259 );
9260
9261 window.with_element_namespace("blocks", |window| {
9262 self.layout_blocks(
9263 &mut blocks,
9264 &hitbox,
9265 line_height,
9266 scroll_position,
9267 scroll_pixel_position,
9268 window,
9269 cx,
9270 );
9271 });
9272
9273 let cursors = self.collect_cursors(&snapshot, cx);
9274 let visible_row_range = start_row..end_row;
9275 let non_visible_cursors = cursors
9276 .iter()
9277 .any(|c| !visible_row_range.contains(&c.0.row()));
9278
9279 let visible_cursors = self.layout_visible_cursors(
9280 &snapshot,
9281 &selections,
9282 &row_block_types,
9283 start_row..end_row,
9284 &line_layouts,
9285 &text_hitbox,
9286 content_origin,
9287 scroll_position,
9288 scroll_pixel_position,
9289 line_height,
9290 em_width,
9291 em_advance,
9292 autoscroll_containing_element,
9293 window,
9294 cx,
9295 );
9296
9297 let scrollbars_layout = self.layout_scrollbars(
9298 &snapshot,
9299 &scrollbar_layout_information,
9300 content_offset,
9301 scroll_position,
9302 non_visible_cursors,
9303 right_margin,
9304 editor_width,
9305 window,
9306 cx,
9307 );
9308
9309 let gutter_settings = EditorSettings::get_global(cx).gutter;
9310
9311 let context_menu_layout =
9312 if let Some(newest_selection_head) = newest_selection_head {
9313 let newest_selection_point =
9314 newest_selection_head.to_point(&snapshot.display_snapshot);
9315 if (start_row..end_row).contains(&newest_selection_head.row()) {
9316 self.layout_cursor_popovers(
9317 line_height,
9318 &text_hitbox,
9319 content_origin,
9320 right_margin,
9321 start_row,
9322 scroll_pixel_position,
9323 &line_layouts,
9324 newest_selection_head,
9325 newest_selection_point,
9326 style,
9327 window,
9328 cx,
9329 )
9330 } else {
9331 None
9332 }
9333 } else {
9334 None
9335 };
9336
9337 self.layout_gutter_menu(
9338 line_height,
9339 &text_hitbox,
9340 content_origin,
9341 right_margin,
9342 scroll_pixel_position,
9343 gutter_dimensions.width - gutter_dimensions.left_padding,
9344 window,
9345 cx,
9346 );
9347
9348 let test_indicators = if gutter_settings.runnables {
9349 self.layout_run_indicators(
9350 line_height,
9351 start_row..end_row,
9352 &row_infos,
9353 scroll_position,
9354 &gutter_dimensions,
9355 &gutter_hitbox,
9356 &display_hunks,
9357 &snapshot,
9358 &mut breakpoint_rows,
9359 window,
9360 cx,
9361 )
9362 } else {
9363 Vec::new()
9364 };
9365
9366 let show_breakpoints = snapshot
9367 .show_breakpoints
9368 .unwrap_or(gutter_settings.breakpoints);
9369 let breakpoints = if show_breakpoints {
9370 self.layout_breakpoints(
9371 line_height,
9372 start_row..end_row,
9373 scroll_position,
9374 &gutter_dimensions,
9375 &gutter_hitbox,
9376 &display_hunks,
9377 &snapshot,
9378 breakpoint_rows,
9379 &row_infos,
9380 window,
9381 cx,
9382 )
9383 } else {
9384 Vec::new()
9385 };
9386
9387 self.layout_signature_help(
9388 &hitbox,
9389 content_origin,
9390 scroll_pixel_position,
9391 newest_selection_head,
9392 start_row,
9393 &line_layouts,
9394 line_height,
9395 em_width,
9396 context_menu_layout,
9397 window,
9398 cx,
9399 );
9400
9401 if !cx.has_active_drag() {
9402 self.layout_hover_popovers(
9403 &snapshot,
9404 &hitbox,
9405 start_row..end_row,
9406 content_origin,
9407 scroll_pixel_position,
9408 &line_layouts,
9409 line_height,
9410 em_width,
9411 context_menu_layout,
9412 window,
9413 cx,
9414 );
9415 }
9416
9417 let mouse_context_menu = self.layout_mouse_context_menu(
9418 &snapshot,
9419 start_row..end_row,
9420 content_origin,
9421 window,
9422 cx,
9423 );
9424
9425 window.with_element_namespace("crease_toggles", |window| {
9426 self.prepaint_crease_toggles(
9427 &mut crease_toggles,
9428 line_height,
9429 &gutter_dimensions,
9430 gutter_settings,
9431 scroll_pixel_position,
9432 &gutter_hitbox,
9433 window,
9434 cx,
9435 )
9436 });
9437
9438 window.with_element_namespace("expand_toggles", |window| {
9439 self.prepaint_expand_toggles(&mut expand_toggles, window, cx)
9440 });
9441
9442 let wrap_guides = self.layout_wrap_guides(
9443 em_advance,
9444 scroll_position,
9445 content_origin,
9446 scrollbars_layout.as_ref(),
9447 vertical_scrollbar_width,
9448 &hitbox,
9449 window,
9450 cx,
9451 );
9452
9453 let minimap = window.with_element_namespace("minimap", |window| {
9454 self.layout_minimap(
9455 &snapshot,
9456 minimap_width,
9457 scroll_position,
9458 &scrollbar_layout_information,
9459 scrollbars_layout.as_ref(),
9460 window,
9461 cx,
9462 )
9463 });
9464
9465 let invisible_symbol_font_size = font_size / 2.;
9466 let whitespace_map = &self
9467 .editor
9468 .read(cx)
9469 .buffer
9470 .read(cx)
9471 .language_settings(cx)
9472 .whitespace_map;
9473
9474 let tab_char = whitespace_map.tab.clone();
9475 let tab_len = tab_char.len();
9476 let tab_invisible = window.text_system().shape_line(
9477 tab_char,
9478 invisible_symbol_font_size,
9479 &[TextRun {
9480 len: tab_len,
9481 font: self.style.text.font(),
9482 color: cx.theme().colors().editor_invisible,
9483 background_color: None,
9484 underline: None,
9485 strikethrough: None,
9486 }],
9487 None,
9488 );
9489
9490 let space_char = whitespace_map.space.clone();
9491 let space_len = space_char.len();
9492 let space_invisible = window.text_system().shape_line(
9493 space_char,
9494 invisible_symbol_font_size,
9495 &[TextRun {
9496 len: space_len,
9497 font: self.style.text.font(),
9498 color: cx.theme().colors().editor_invisible,
9499 background_color: None,
9500 underline: None,
9501 strikethrough: None,
9502 }],
9503 None,
9504 );
9505
9506 let mode = snapshot.mode.clone();
9507
9508 let (diff_hunk_controls, diff_hunk_control_bounds) = if is_read_only {
9509 (vec![], vec![])
9510 } else {
9511 self.layout_diff_hunk_controls(
9512 start_row..end_row,
9513 &row_infos,
9514 &text_hitbox,
9515 newest_selection_head,
9516 line_height,
9517 right_margin,
9518 scroll_pixel_position,
9519 &display_hunks,
9520 &highlighted_rows,
9521 self.editor.clone(),
9522 window,
9523 cx,
9524 )
9525 };
9526
9527 let position_map = Rc::new(PositionMap {
9528 size: bounds.size,
9529 visible_row_range,
9530 scroll_position,
9531 scroll_pixel_position,
9532 scroll_max,
9533 line_layouts,
9534 line_height,
9535 em_width,
9536 em_advance,
9537 snapshot,
9538 gutter_hitbox: gutter_hitbox.clone(),
9539 text_hitbox: text_hitbox.clone(),
9540 inline_blame_bounds: inline_blame_layout
9541 .as_ref()
9542 .map(|layout| (layout.bounds, layout.buffer_id, layout.entry.clone())),
9543 display_hunks: display_hunks.clone(),
9544 diff_hunk_control_bounds,
9545 });
9546
9547 self.editor.update(cx, |editor, _| {
9548 editor.last_position_map = Some(position_map.clone())
9549 });
9550
9551 EditorLayout {
9552 mode,
9553 position_map,
9554 visible_display_row_range: start_row..end_row,
9555 wrap_guides,
9556 indent_guides,
9557 hitbox,
9558 gutter_hitbox,
9559 display_hunks,
9560 content_origin,
9561 scrollbars_layout,
9562 minimap,
9563 active_rows,
9564 highlighted_rows,
9565 highlighted_ranges,
9566 highlighted_gutter_ranges,
9567 redacted_ranges,
9568 document_colors,
9569 line_elements,
9570 line_numbers,
9571 blamed_display_rows,
9572 inline_diagnostics,
9573 inline_blame_layout,
9574 inline_code_actions,
9575 blocks,
9576 cursors,
9577 visible_cursors,
9578 selections,
9579 edit_prediction_popover,
9580 diff_hunk_controls,
9581 mouse_context_menu,
9582 test_indicators,
9583 breakpoints,
9584 crease_toggles,
9585 crease_trailers,
9586 tab_invisible,
9587 space_invisible,
9588 sticky_buffer_header,
9589 expand_toggles,
9590 }
9591 })
9592 })
9593 })
9594 }
9595
9596 fn paint(
9597 &mut self,
9598 _: Option<&GlobalElementId>,
9599 _inspector_id: Option<&gpui::InspectorElementId>,
9600 bounds: Bounds<gpui::Pixels>,
9601 _: &mut Self::RequestLayoutState,
9602 layout: &mut Self::PrepaintState,
9603 window: &mut Window,
9604 cx: &mut App,
9605 ) {
9606 if !layout.mode.is_minimap() {
9607 let focus_handle = self.editor.focus_handle(cx);
9608 let key_context = self
9609 .editor
9610 .update(cx, |editor, cx| editor.key_context(window, cx));
9611
9612 window.set_key_context(key_context);
9613 window.handle_input(
9614 &focus_handle,
9615 ElementInputHandler::new(bounds, self.editor.clone()),
9616 cx,
9617 );
9618 self.register_actions(window, cx);
9619 self.register_key_listeners(window, cx, layout);
9620 }
9621
9622 let text_style = TextStyleRefinement {
9623 font_size: Some(self.style.text.font_size),
9624 line_height: Some(self.style.text.line_height),
9625 ..Default::default()
9626 };
9627 let rem_size = self.rem_size(cx);
9628 window.with_rem_size(rem_size, |window| {
9629 window.with_text_style(Some(text_style), |window| {
9630 window.with_content_mask(Some(ContentMask { bounds }), |window| {
9631 self.paint_mouse_listeners(layout, window, cx);
9632 self.paint_background(layout, window, cx);
9633 self.paint_indent_guides(layout, window, cx);
9634
9635 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9636 self.paint_blamed_display_rows(layout, window, cx);
9637 self.paint_line_numbers(layout, window, cx);
9638 }
9639
9640 self.paint_text(layout, window, cx);
9641
9642 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9643 self.paint_gutter_highlights(layout, window, cx);
9644 self.paint_gutter_indicators(layout, window, cx);
9645 }
9646
9647 if !layout.blocks.is_empty() {
9648 window.with_element_namespace("blocks", |window| {
9649 self.paint_blocks(layout, window, cx);
9650 });
9651 }
9652
9653 window.with_element_namespace("blocks", |window| {
9654 if let Some(mut sticky_header) = layout.sticky_buffer_header.take() {
9655 sticky_header.paint(window, cx)
9656 }
9657 });
9658
9659 self.paint_minimap(layout, window, cx);
9660 self.paint_scrollbars(layout, window, cx);
9661 self.paint_edit_prediction_popover(layout, window, cx);
9662 self.paint_mouse_context_menu(layout, window, cx);
9663 });
9664 })
9665 })
9666 }
9667}
9668
9669pub(super) fn gutter_bounds(
9670 editor_bounds: Bounds<Pixels>,
9671 gutter_dimensions: GutterDimensions,
9672) -> Bounds<Pixels> {
9673 Bounds {
9674 origin: editor_bounds.origin,
9675 size: size(gutter_dimensions.width, editor_bounds.size.height),
9676 }
9677}
9678
9679#[derive(Clone, Copy)]
9680struct ContextMenuLayout {
9681 y_flipped: bool,
9682 bounds: Bounds<Pixels>,
9683}
9684
9685/// Holds information required for layouting the editor scrollbars.
9686struct ScrollbarLayoutInformation {
9687 /// The bounds of the editor area (excluding the content offset).
9688 editor_bounds: Bounds<Pixels>,
9689 /// The available range to scroll within the document.
9690 scroll_range: Size<Pixels>,
9691 /// The space available for one glyph in the editor.
9692 glyph_grid_cell: Size<Pixels>,
9693}
9694
9695impl ScrollbarLayoutInformation {
9696 pub fn new(
9697 editor_bounds: Bounds<Pixels>,
9698 glyph_grid_cell: Size<Pixels>,
9699 document_size: Size<Pixels>,
9700 longest_line_blame_width: Pixels,
9701 settings: &EditorSettings,
9702 ) -> Self {
9703 let vertical_overscroll = match settings.scroll_beyond_last_line {
9704 ScrollBeyondLastLine::OnePage => editor_bounds.size.height,
9705 ScrollBeyondLastLine::Off => glyph_grid_cell.height,
9706 ScrollBeyondLastLine::VerticalScrollMargin => {
9707 (1.0 + settings.vertical_scroll_margin) as f32 * glyph_grid_cell.height
9708 }
9709 };
9710
9711 let overscroll = size(longest_line_blame_width, vertical_overscroll);
9712
9713 ScrollbarLayoutInformation {
9714 editor_bounds,
9715 scroll_range: document_size + overscroll,
9716 glyph_grid_cell,
9717 }
9718 }
9719}
9720
9721impl IntoElement for EditorElement {
9722 type Element = Self;
9723
9724 fn into_element(self) -> Self::Element {
9725 self
9726 }
9727}
9728
9729pub struct EditorLayout {
9730 position_map: Rc<PositionMap>,
9731 hitbox: Hitbox,
9732 gutter_hitbox: Hitbox,
9733 content_origin: gpui::Point<Pixels>,
9734 scrollbars_layout: Option<EditorScrollbars>,
9735 minimap: Option<MinimapLayout>,
9736 mode: EditorMode,
9737 wrap_guides: SmallVec<[(Pixels, bool); 2]>,
9738 indent_guides: Option<Vec<IndentGuideLayout>>,
9739 visible_display_row_range: Range<DisplayRow>,
9740 active_rows: BTreeMap<DisplayRow, LineHighlightSpec>,
9741 highlighted_rows: BTreeMap<DisplayRow, LineHighlight>,
9742 line_elements: SmallVec<[AnyElement; 1]>,
9743 line_numbers: Arc<HashMap<MultiBufferRow, LineNumberLayout>>,
9744 display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
9745 blamed_display_rows: Option<Vec<AnyElement>>,
9746 inline_diagnostics: HashMap<DisplayRow, AnyElement>,
9747 inline_blame_layout: Option<InlineBlameLayout>,
9748 inline_code_actions: Option<AnyElement>,
9749 blocks: Vec<BlockLayout>,
9750 highlighted_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9751 highlighted_gutter_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9752 redacted_ranges: Vec<Range<DisplayPoint>>,
9753 cursors: Vec<(DisplayPoint, Hsla)>,
9754 visible_cursors: Vec<CursorLayout>,
9755 selections: Vec<(PlayerColor, Vec<SelectionLayout>)>,
9756 test_indicators: Vec<AnyElement>,
9757 breakpoints: Vec<AnyElement>,
9758 crease_toggles: Vec<Option<AnyElement>>,
9759 expand_toggles: Vec<Option<(AnyElement, gpui::Point<Pixels>)>>,
9760 diff_hunk_controls: Vec<AnyElement>,
9761 crease_trailers: Vec<Option<CreaseTrailerLayout>>,
9762 edit_prediction_popover: Option<AnyElement>,
9763 mouse_context_menu: Option<AnyElement>,
9764 tab_invisible: ShapedLine,
9765 space_invisible: ShapedLine,
9766 sticky_buffer_header: Option<AnyElement>,
9767 document_colors: Option<(DocumentColorsRenderMode, Vec<(Range<DisplayPoint>, Hsla)>)>,
9768}
9769
9770impl EditorLayout {
9771 fn line_end_overshoot(&self) -> Pixels {
9772 0.15 * self.position_map.line_height
9773 }
9774}
9775
9776struct LineNumberLayout {
9777 shaped_line: ShapedLine,
9778 hitbox: Option<Hitbox>,
9779}
9780
9781struct ColoredRange<T> {
9782 start: T,
9783 end: T,
9784 color: Hsla,
9785}
9786
9787impl Along for ScrollbarAxes {
9788 type Unit = bool;
9789
9790 fn along(&self, axis: ScrollbarAxis) -> Self::Unit {
9791 match axis {
9792 ScrollbarAxis::Horizontal => self.horizontal,
9793 ScrollbarAxis::Vertical => self.vertical,
9794 }
9795 }
9796
9797 fn apply_along(&self, axis: ScrollbarAxis, f: impl FnOnce(Self::Unit) -> Self::Unit) -> Self {
9798 match axis {
9799 ScrollbarAxis::Horizontal => ScrollbarAxes {
9800 horizontal: f(self.horizontal),
9801 vertical: self.vertical,
9802 },
9803 ScrollbarAxis::Vertical => ScrollbarAxes {
9804 horizontal: self.horizontal,
9805 vertical: f(self.vertical),
9806 },
9807 }
9808 }
9809}
9810
9811#[derive(Clone)]
9812struct EditorScrollbars {
9813 pub vertical: Option<ScrollbarLayout>,
9814 pub horizontal: Option<ScrollbarLayout>,
9815 pub visible: bool,
9816}
9817
9818impl EditorScrollbars {
9819 pub fn from_scrollbar_axes(
9820 show_scrollbar: ScrollbarAxes,
9821 layout_information: &ScrollbarLayoutInformation,
9822 content_offset: gpui::Point<Pixels>,
9823 scroll_position: gpui::Point<f64>,
9824 scrollbar_width: Pixels,
9825 right_margin: Pixels,
9826 editor_width: Pixels,
9827 show_scrollbars: bool,
9828 scrollbar_state: Option<&ActiveScrollbarState>,
9829 window: &mut Window,
9830 ) -> Self {
9831 let ScrollbarLayoutInformation {
9832 editor_bounds,
9833 scroll_range,
9834 glyph_grid_cell,
9835 } = layout_information;
9836
9837 let viewport_size = size(editor_width, editor_bounds.size.height);
9838
9839 let scrollbar_bounds_for = |axis: ScrollbarAxis| match axis {
9840 ScrollbarAxis::Horizontal => Bounds::from_corner_and_size(
9841 Corner::BottomLeft,
9842 editor_bounds.bottom_left(),
9843 size(
9844 // The horizontal viewport size differs from the space available for the
9845 // horizontal scrollbar, so we have to manually stitch it together here.
9846 editor_bounds.size.width - right_margin,
9847 scrollbar_width,
9848 ),
9849 ),
9850 ScrollbarAxis::Vertical => Bounds::from_corner_and_size(
9851 Corner::TopRight,
9852 editor_bounds.top_right(),
9853 size(scrollbar_width, viewport_size.height),
9854 ),
9855 };
9856
9857 let mut create_scrollbar_layout = |axis| {
9858 let viewport_size = viewport_size.along(axis);
9859 let scroll_range = scroll_range.along(axis);
9860
9861 // We always want a vertical scrollbar track for scrollbar diagnostic visibility.
9862 (show_scrollbar.along(axis)
9863 && (axis == ScrollbarAxis::Vertical || scroll_range > viewport_size))
9864 .then(|| {
9865 ScrollbarLayout::new(
9866 window.insert_hitbox(scrollbar_bounds_for(axis), HitboxBehavior::Normal),
9867 viewport_size,
9868 scroll_range,
9869 glyph_grid_cell.along(axis),
9870 content_offset.along(axis),
9871 scroll_position.along(axis),
9872 show_scrollbars,
9873 axis,
9874 )
9875 .with_thumb_state(
9876 scrollbar_state.and_then(|state| state.thumb_state_for_axis(axis)),
9877 )
9878 })
9879 };
9880
9881 Self {
9882 vertical: create_scrollbar_layout(ScrollbarAxis::Vertical),
9883 horizontal: create_scrollbar_layout(ScrollbarAxis::Horizontal),
9884 visible: show_scrollbars,
9885 }
9886 }
9887
9888 pub fn iter_scrollbars(&self) -> impl Iterator<Item = (&ScrollbarLayout, ScrollbarAxis)> + '_ {
9889 [
9890 (&self.vertical, ScrollbarAxis::Vertical),
9891 (&self.horizontal, ScrollbarAxis::Horizontal),
9892 ]
9893 .into_iter()
9894 .filter_map(|(scrollbar, axis)| scrollbar.as_ref().map(|s| (s, axis)))
9895 }
9896
9897 /// Returns the currently hovered scrollbar axis, if any.
9898 pub fn get_hovered_axis(&self, window: &Window) -> Option<(&ScrollbarLayout, ScrollbarAxis)> {
9899 self.iter_scrollbars()
9900 .find(|s| s.0.hitbox.is_hovered(window))
9901 }
9902}
9903
9904#[derive(Clone)]
9905struct ScrollbarLayout {
9906 hitbox: Hitbox,
9907 visible_range: Range<ScrollOffset>,
9908 text_unit_size: Pixels,
9909 thumb_bounds: Option<Bounds<Pixels>>,
9910 thumb_state: ScrollbarThumbState,
9911}
9912
9913impl ScrollbarLayout {
9914 const BORDER_WIDTH: Pixels = px(1.0);
9915 const LINE_MARKER_HEIGHT: Pixels = px(2.0);
9916 const MIN_MARKER_HEIGHT: Pixels = px(5.0);
9917 const MIN_THUMB_SIZE: Pixels = px(25.0);
9918
9919 fn new(
9920 scrollbar_track_hitbox: Hitbox,
9921 viewport_size: Pixels,
9922 scroll_range: Pixels,
9923 glyph_space: Pixels,
9924 content_offset: Pixels,
9925 scroll_position: ScrollOffset,
9926 show_thumb: bool,
9927 axis: ScrollbarAxis,
9928 ) -> Self {
9929 let track_bounds = scrollbar_track_hitbox.bounds;
9930 // The length of the track available to the scrollbar thumb. We deliberately
9931 // exclude the content size here so that the thumb aligns with the content.
9932 let track_length = track_bounds.size.along(axis) - content_offset;
9933
9934 Self::new_with_hitbox_and_track_length(
9935 scrollbar_track_hitbox,
9936 track_length,
9937 viewport_size,
9938 scroll_range.into(),
9939 glyph_space,
9940 content_offset.into(),
9941 scroll_position,
9942 show_thumb,
9943 axis,
9944 )
9945 }
9946
9947 fn for_minimap(
9948 minimap_track_hitbox: Hitbox,
9949 visible_lines: f64,
9950 total_editor_lines: f64,
9951 minimap_line_height: Pixels,
9952 scroll_position: ScrollOffset,
9953 minimap_scroll_top: ScrollOffset,
9954 show_thumb: bool,
9955 ) -> Self {
9956 // The scrollbar thumb size is calculated as
9957 // (visible_content/total_content) Γ scrollbar_track_length.
9958 //
9959 // For the minimap's thumb layout, we leverage this by setting the
9960 // scrollbar track length to the entire document size (using minimap line
9961 // height). This creates a thumb that exactly represents the editor
9962 // viewport scaled to minimap proportions.
9963 //
9964 // We adjust the thumb position relative to `minimap_scroll_top` to
9965 // accommodate for the deliberately oversized track.
9966 //
9967 // This approach ensures that the minimap thumb accurately reflects the
9968 // editor's current scroll position whilst nicely synchronizing the minimap
9969 // thumb and scrollbar thumb.
9970 let scroll_range = total_editor_lines * f64::from(minimap_line_height);
9971 let viewport_size = visible_lines * f64::from(minimap_line_height);
9972
9973 let track_top_offset = -minimap_scroll_top * f64::from(minimap_line_height);
9974
9975 Self::new_with_hitbox_and_track_length(
9976 minimap_track_hitbox,
9977 Pixels::from(scroll_range),
9978 Pixels::from(viewport_size),
9979 scroll_range,
9980 minimap_line_height,
9981 track_top_offset,
9982 scroll_position,
9983 show_thumb,
9984 ScrollbarAxis::Vertical,
9985 )
9986 }
9987
9988 fn new_with_hitbox_and_track_length(
9989 scrollbar_track_hitbox: Hitbox,
9990 track_length: Pixels,
9991 viewport_size: Pixels,
9992 scroll_range: f64,
9993 glyph_space: Pixels,
9994 content_offset: ScrollOffset,
9995 scroll_position: ScrollOffset,
9996 show_thumb: bool,
9997 axis: ScrollbarAxis,
9998 ) -> Self {
9999 let text_units_per_page = f64::from(viewport_size / glyph_space);
10000 let visible_range = scroll_position..scroll_position + text_units_per_page;
10001 let total_text_units = scroll_range / f64::from(glyph_space);
10002
10003 let thumb_percentage = text_units_per_page / total_text_units;
10004 let thumb_size = Pixels::from(ScrollOffset::from(track_length) * thumb_percentage)
10005 .max(ScrollbarLayout::MIN_THUMB_SIZE)
10006 .min(track_length);
10007
10008 let text_unit_divisor = (total_text_units - text_units_per_page).max(0.);
10009
10010 let content_larger_than_viewport = text_unit_divisor > 0.;
10011
10012 let text_unit_size = if content_larger_than_viewport {
10013 Pixels::from(ScrollOffset::from(track_length - thumb_size) / text_unit_divisor)
10014 } else {
10015 glyph_space
10016 };
10017
10018 let thumb_bounds = (show_thumb && content_larger_than_viewport).then(|| {
10019 Self::thumb_bounds(
10020 &scrollbar_track_hitbox,
10021 content_offset,
10022 visible_range.start,
10023 text_unit_size,
10024 thumb_size,
10025 axis,
10026 )
10027 });
10028
10029 ScrollbarLayout {
10030 hitbox: scrollbar_track_hitbox,
10031 visible_range,
10032 text_unit_size,
10033 thumb_bounds,
10034 thumb_state: Default::default(),
10035 }
10036 }
10037
10038 fn with_thumb_state(self, thumb_state: Option<ScrollbarThumbState>) -> Self {
10039 if let Some(thumb_state) = thumb_state {
10040 Self {
10041 thumb_state,
10042 ..self
10043 }
10044 } else {
10045 self
10046 }
10047 }
10048
10049 fn thumb_bounds(
10050 scrollbar_track: &Hitbox,
10051 content_offset: f64,
10052 visible_range_start: f64,
10053 text_unit_size: Pixels,
10054 thumb_size: Pixels,
10055 axis: ScrollbarAxis,
10056 ) -> Bounds<Pixels> {
10057 let thumb_origin = scrollbar_track.origin.apply_along(axis, |origin| {
10058 origin
10059 + Pixels::from(
10060 content_offset + visible_range_start * ScrollOffset::from(text_unit_size),
10061 )
10062 });
10063 Bounds::new(
10064 thumb_origin,
10065 scrollbar_track.size.apply_along(axis, |_| thumb_size),
10066 )
10067 }
10068
10069 fn thumb_hovered(&self, position: &gpui::Point<Pixels>) -> bool {
10070 self.thumb_bounds
10071 .is_some_and(|bounds| bounds.contains(position))
10072 }
10073
10074 fn marker_quads_for_ranges(
10075 &self,
10076 row_ranges: impl IntoIterator<Item = ColoredRange<DisplayRow>>,
10077 column: Option<usize>,
10078 ) -> Vec<PaintQuad> {
10079 struct MinMax {
10080 min: Pixels,
10081 max: Pixels,
10082 }
10083 let (x_range, height_limit) = if let Some(column) = column {
10084 let column_width = ((self.hitbox.size.width - Self::BORDER_WIDTH) / 3.0).floor();
10085 let start = Self::BORDER_WIDTH + (column as f32 * column_width);
10086 let end = start + column_width;
10087 (
10088 Range { start, end },
10089 MinMax {
10090 min: Self::MIN_MARKER_HEIGHT,
10091 max: px(f32::MAX),
10092 },
10093 )
10094 } else {
10095 (
10096 Range {
10097 start: Self::BORDER_WIDTH,
10098 end: self.hitbox.size.width,
10099 },
10100 MinMax {
10101 min: Self::LINE_MARKER_HEIGHT,
10102 max: Self::LINE_MARKER_HEIGHT,
10103 },
10104 )
10105 };
10106
10107 let row_to_y = |row: DisplayRow| row.as_f64() as f32 * self.text_unit_size;
10108 let mut pixel_ranges = row_ranges
10109 .into_iter()
10110 .map(|range| {
10111 let start_y = row_to_y(range.start);
10112 let end_y = row_to_y(range.end)
10113 + self
10114 .text_unit_size
10115 .max(height_limit.min)
10116 .min(height_limit.max);
10117 ColoredRange {
10118 start: start_y,
10119 end: end_y,
10120 color: range.color,
10121 }
10122 })
10123 .peekable();
10124
10125 let mut quads = Vec::new();
10126 while let Some(mut pixel_range) = pixel_ranges.next() {
10127 while let Some(next_pixel_range) = pixel_ranges.peek() {
10128 if pixel_range.end >= next_pixel_range.start - px(1.0)
10129 && pixel_range.color == next_pixel_range.color
10130 {
10131 pixel_range.end = next_pixel_range.end.max(pixel_range.end);
10132 pixel_ranges.next();
10133 } else {
10134 break;
10135 }
10136 }
10137
10138 let bounds = Bounds::from_corners(
10139 point(x_range.start, pixel_range.start),
10140 point(x_range.end, pixel_range.end),
10141 );
10142 quads.push(quad(
10143 bounds,
10144 Corners::default(),
10145 pixel_range.color,
10146 Edges::default(),
10147 Hsla::transparent_black(),
10148 BorderStyle::default(),
10149 ));
10150 }
10151
10152 quads
10153 }
10154}
10155
10156struct MinimapLayout {
10157 pub minimap: AnyElement,
10158 pub thumb_layout: ScrollbarLayout,
10159 pub minimap_scroll_top: ScrollOffset,
10160 pub minimap_line_height: Pixels,
10161 pub thumb_border_style: MinimapThumbBorder,
10162 pub max_scroll_top: ScrollOffset,
10163}
10164
10165impl MinimapLayout {
10166 /// The minimum width of the minimap in columns. If the minimap is smaller than this, it will be hidden.
10167 const MINIMAP_MIN_WIDTH_COLUMNS: f32 = 20.;
10168 /// The minimap width as a percentage of the editor width.
10169 const MINIMAP_WIDTH_PCT: f32 = 0.15;
10170 /// Calculates the scroll top offset the minimap editor has to have based on the
10171 /// current scroll progress.
10172 fn calculate_minimap_top_offset(
10173 document_lines: f64,
10174 visible_editor_lines: f64,
10175 visible_minimap_lines: f64,
10176 scroll_position: f64,
10177 ) -> ScrollOffset {
10178 let non_visible_document_lines = (document_lines - visible_editor_lines).max(0.);
10179 if non_visible_document_lines == 0. {
10180 0.
10181 } else {
10182 let scroll_percentage = (scroll_position / non_visible_document_lines).clamp(0., 1.);
10183 scroll_percentage * (document_lines - visible_minimap_lines).max(0.)
10184 }
10185 }
10186}
10187
10188struct CreaseTrailerLayout {
10189 element: AnyElement,
10190 bounds: Bounds<Pixels>,
10191}
10192
10193pub(crate) struct PositionMap {
10194 pub size: Size<Pixels>,
10195 pub line_height: Pixels,
10196 pub scroll_position: gpui::Point<ScrollOffset>,
10197 pub scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
10198 pub scroll_max: gpui::Point<ScrollOffset>,
10199 pub em_width: Pixels,
10200 pub em_advance: Pixels,
10201 pub visible_row_range: Range<DisplayRow>,
10202 pub line_layouts: Vec<LineWithInvisibles>,
10203 pub snapshot: EditorSnapshot,
10204 pub text_hitbox: Hitbox,
10205 pub gutter_hitbox: Hitbox,
10206 pub inline_blame_bounds: Option<(Bounds<Pixels>, BufferId, BlameEntry)>,
10207 pub display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
10208 pub diff_hunk_control_bounds: Vec<(DisplayRow, Bounds<Pixels>)>,
10209}
10210
10211#[derive(Debug, Copy, Clone)]
10212pub struct PointForPosition {
10213 pub previous_valid: DisplayPoint,
10214 pub next_valid: DisplayPoint,
10215 pub exact_unclipped: DisplayPoint,
10216 pub column_overshoot_after_line_end: u32,
10217}
10218
10219impl PointForPosition {
10220 pub fn as_valid(&self) -> Option<DisplayPoint> {
10221 if self.previous_valid == self.exact_unclipped && self.next_valid == self.exact_unclipped {
10222 Some(self.previous_valid)
10223 } else {
10224 None
10225 }
10226 }
10227
10228 pub fn intersects_selection(&self, selection: &Selection<DisplayPoint>) -> bool {
10229 let Some(valid_point) = self.as_valid() else {
10230 return false;
10231 };
10232 let range = selection.range();
10233
10234 let candidate_row = valid_point.row();
10235 let candidate_col = valid_point.column();
10236
10237 let start_row = range.start.row();
10238 let start_col = range.start.column();
10239 let end_row = range.end.row();
10240 let end_col = range.end.column();
10241
10242 if candidate_row < start_row || candidate_row > end_row {
10243 false
10244 } else if start_row == end_row {
10245 candidate_col >= start_col && candidate_col < end_col
10246 } else if candidate_row == start_row {
10247 candidate_col >= start_col
10248 } else if candidate_row == end_row {
10249 candidate_col < end_col
10250 } else {
10251 true
10252 }
10253 }
10254}
10255
10256impl PositionMap {
10257 pub(crate) fn point_for_position(&self, position: gpui::Point<Pixels>) -> PointForPosition {
10258 let text_bounds = self.text_hitbox.bounds;
10259 let scroll_position = self.snapshot.scroll_position();
10260 let position = position - text_bounds.origin;
10261 let y = position.y.max(px(0.)).min(self.size.height);
10262 let x = position.x + (scroll_position.x as f32 * self.em_advance);
10263 let row = ((y / self.line_height) as f64 + scroll_position.y) as u32;
10264
10265 let (column, x_overshoot_after_line_end) = if let Some(line) = self
10266 .line_layouts
10267 .get(row as usize - scroll_position.y as usize)
10268 {
10269 if let Some(ix) = line.index_for_x(x) {
10270 (ix as u32, px(0.))
10271 } else {
10272 (line.len as u32, px(0.).max(x - line.width))
10273 }
10274 } else {
10275 (0, x)
10276 };
10277
10278 let mut exact_unclipped = DisplayPoint::new(DisplayRow(row), column);
10279 let previous_valid = self.snapshot.clip_point(exact_unclipped, Bias::Left);
10280 let next_valid = self.snapshot.clip_point(exact_unclipped, Bias::Right);
10281
10282 let column_overshoot_after_line_end = (x_overshoot_after_line_end / self.em_advance) as u32;
10283 *exact_unclipped.column_mut() += column_overshoot_after_line_end;
10284 PointForPosition {
10285 previous_valid,
10286 next_valid,
10287 exact_unclipped,
10288 column_overshoot_after_line_end,
10289 }
10290 }
10291}
10292
10293struct BlockLayout {
10294 id: BlockId,
10295 x_offset: Pixels,
10296 row: Option<DisplayRow>,
10297 element: AnyElement,
10298 available_space: Size<AvailableSpace>,
10299 style: BlockStyle,
10300 overlaps_gutter: bool,
10301 is_buffer_header: bool,
10302}
10303
10304pub fn layout_line(
10305 row: DisplayRow,
10306 snapshot: &EditorSnapshot,
10307 style: &EditorStyle,
10308 text_width: Pixels,
10309 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
10310 window: &mut Window,
10311 cx: &mut App,
10312) -> LineWithInvisibles {
10313 let chunks = snapshot.highlighted_chunks(row..row + DisplayRow(1), true, style);
10314 LineWithInvisibles::from_chunks(
10315 chunks,
10316 style,
10317 MAX_LINE_LEN,
10318 1,
10319 &snapshot.mode,
10320 text_width,
10321 is_row_soft_wrapped,
10322 &[],
10323 window,
10324 cx,
10325 )
10326 .pop()
10327 .unwrap()
10328}
10329
10330#[derive(Debug)]
10331pub struct IndentGuideLayout {
10332 origin: gpui::Point<Pixels>,
10333 length: Pixels,
10334 single_indent_width: Pixels,
10335 depth: u32,
10336 active: bool,
10337 settings: IndentGuideSettings,
10338}
10339
10340pub struct CursorLayout {
10341 origin: gpui::Point<Pixels>,
10342 block_width: Pixels,
10343 line_height: Pixels,
10344 color: Hsla,
10345 shape: CursorShape,
10346 block_text: Option<ShapedLine>,
10347 cursor_name: Option<AnyElement>,
10348}
10349
10350#[derive(Debug)]
10351pub struct CursorName {
10352 string: SharedString,
10353 color: Hsla,
10354 is_top_row: bool,
10355}
10356
10357impl CursorLayout {
10358 pub fn new(
10359 origin: gpui::Point<Pixels>,
10360 block_width: Pixels,
10361 line_height: Pixels,
10362 color: Hsla,
10363 shape: CursorShape,
10364 block_text: Option<ShapedLine>,
10365 ) -> CursorLayout {
10366 CursorLayout {
10367 origin,
10368 block_width,
10369 line_height,
10370 color,
10371 shape,
10372 block_text,
10373 cursor_name: None,
10374 }
10375 }
10376
10377 pub fn bounding_rect(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10378 Bounds {
10379 origin: self.origin + origin,
10380 size: size(self.block_width, self.line_height),
10381 }
10382 }
10383
10384 fn bounds(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10385 match self.shape {
10386 CursorShape::Bar => Bounds {
10387 origin: self.origin + origin,
10388 size: size(px(2.0), self.line_height),
10389 },
10390 CursorShape::Block | CursorShape::Hollow => Bounds {
10391 origin: self.origin + origin,
10392 size: size(self.block_width, self.line_height),
10393 },
10394 CursorShape::Underline => Bounds {
10395 origin: self.origin
10396 + origin
10397 + gpui::Point::new(Pixels::ZERO, self.line_height - px(2.0)),
10398 size: size(self.block_width, px(2.0)),
10399 },
10400 }
10401 }
10402
10403 pub fn layout(
10404 &mut self,
10405 origin: gpui::Point<Pixels>,
10406 cursor_name: Option<CursorName>,
10407 window: &mut Window,
10408 cx: &mut App,
10409 ) {
10410 if let Some(cursor_name) = cursor_name {
10411 let bounds = self.bounds(origin);
10412 let text_size = self.line_height / 1.5;
10413
10414 let name_origin = if cursor_name.is_top_row {
10415 point(bounds.right() - px(1.), bounds.top())
10416 } else {
10417 match self.shape {
10418 CursorShape::Bar => point(
10419 bounds.right() - px(2.),
10420 bounds.top() - text_size / 2. - px(1.),
10421 ),
10422 _ => point(
10423 bounds.right() - px(1.),
10424 bounds.top() - text_size / 2. - px(1.),
10425 ),
10426 }
10427 };
10428 let mut name_element = div()
10429 .bg(self.color)
10430 .text_size(text_size)
10431 .px_0p5()
10432 .line_height(text_size + px(2.))
10433 .text_color(cursor_name.color)
10434 .child(cursor_name.string)
10435 .into_any_element();
10436
10437 name_element.prepaint_as_root(name_origin, AvailableSpace::min_size(), window, cx);
10438
10439 self.cursor_name = Some(name_element);
10440 }
10441 }
10442
10443 pub fn paint(&mut self, origin: gpui::Point<Pixels>, window: &mut Window, cx: &mut App) {
10444 let bounds = self.bounds(origin);
10445
10446 //Draw background or border quad
10447 let cursor = if matches!(self.shape, CursorShape::Hollow) {
10448 outline(bounds, self.color, BorderStyle::Solid)
10449 } else {
10450 fill(bounds, self.color)
10451 };
10452
10453 if let Some(name) = &mut self.cursor_name {
10454 name.paint(window, cx);
10455 }
10456
10457 window.paint_quad(cursor);
10458
10459 if let Some(block_text) = &self.block_text {
10460 block_text
10461 .paint(self.origin + origin, self.line_height, window, cx)
10462 .log_err();
10463 }
10464 }
10465
10466 pub fn shape(&self) -> CursorShape {
10467 self.shape
10468 }
10469}
10470
10471#[derive(Debug)]
10472pub struct HighlightedRange {
10473 pub start_y: Pixels,
10474 pub line_height: Pixels,
10475 pub lines: Vec<HighlightedRangeLine>,
10476 pub color: Hsla,
10477 pub corner_radius: Pixels,
10478}
10479
10480#[derive(Debug)]
10481pub struct HighlightedRangeLine {
10482 pub start_x: Pixels,
10483 pub end_x: Pixels,
10484}
10485
10486impl HighlightedRange {
10487 pub fn paint(&self, fill: bool, bounds: Bounds<Pixels>, window: &mut Window) {
10488 if self.lines.len() >= 2 && self.lines[0].start_x > self.lines[1].end_x {
10489 self.paint_lines(self.start_y, &self.lines[0..1], fill, bounds, window);
10490 self.paint_lines(
10491 self.start_y + self.line_height,
10492 &self.lines[1..],
10493 fill,
10494 bounds,
10495 window,
10496 );
10497 } else {
10498 self.paint_lines(self.start_y, &self.lines, fill, bounds, window);
10499 }
10500 }
10501
10502 fn paint_lines(
10503 &self,
10504 start_y: Pixels,
10505 lines: &[HighlightedRangeLine],
10506 fill: bool,
10507 _bounds: Bounds<Pixels>,
10508 window: &mut Window,
10509 ) {
10510 if lines.is_empty() {
10511 return;
10512 }
10513
10514 let first_line = lines.first().unwrap();
10515 let last_line = lines.last().unwrap();
10516
10517 let first_top_left = point(first_line.start_x, start_y);
10518 let first_top_right = point(first_line.end_x, start_y);
10519
10520 let curve_height = point(Pixels::ZERO, self.corner_radius);
10521 let curve_width = |start_x: Pixels, end_x: Pixels| {
10522 let max = (end_x - start_x) / 2.;
10523 let width = if max < self.corner_radius {
10524 max
10525 } else {
10526 self.corner_radius
10527 };
10528
10529 point(width, Pixels::ZERO)
10530 };
10531
10532 let top_curve_width = curve_width(first_line.start_x, first_line.end_x);
10533 let mut builder = if fill {
10534 gpui::PathBuilder::fill()
10535 } else {
10536 gpui::PathBuilder::stroke(px(1.))
10537 };
10538 builder.move_to(first_top_right - top_curve_width);
10539 builder.curve_to(first_top_right + curve_height, first_top_right);
10540
10541 let mut iter = lines.iter().enumerate().peekable();
10542 while let Some((ix, line)) = iter.next() {
10543 let bottom_right = point(line.end_x, start_y + (ix + 1) as f32 * self.line_height);
10544
10545 if let Some((_, next_line)) = iter.peek() {
10546 let next_top_right = point(next_line.end_x, bottom_right.y);
10547
10548 match next_top_right.x.partial_cmp(&bottom_right.x).unwrap() {
10549 Ordering::Equal => {
10550 builder.line_to(bottom_right);
10551 }
10552 Ordering::Less => {
10553 let curve_width = curve_width(next_top_right.x, bottom_right.x);
10554 builder.line_to(bottom_right - curve_height);
10555 if self.corner_radius > Pixels::ZERO {
10556 builder.curve_to(bottom_right - curve_width, bottom_right);
10557 }
10558 builder.line_to(next_top_right + curve_width);
10559 if self.corner_radius > Pixels::ZERO {
10560 builder.curve_to(next_top_right + curve_height, next_top_right);
10561 }
10562 }
10563 Ordering::Greater => {
10564 let curve_width = curve_width(bottom_right.x, next_top_right.x);
10565 builder.line_to(bottom_right - curve_height);
10566 if self.corner_radius > Pixels::ZERO {
10567 builder.curve_to(bottom_right + curve_width, bottom_right);
10568 }
10569 builder.line_to(next_top_right - curve_width);
10570 if self.corner_radius > Pixels::ZERO {
10571 builder.curve_to(next_top_right + curve_height, next_top_right);
10572 }
10573 }
10574 }
10575 } else {
10576 let curve_width = curve_width(line.start_x, line.end_x);
10577 builder.line_to(bottom_right - curve_height);
10578 if self.corner_radius > Pixels::ZERO {
10579 builder.curve_to(bottom_right - curve_width, bottom_right);
10580 }
10581
10582 let bottom_left = point(line.start_x, bottom_right.y);
10583 builder.line_to(bottom_left + curve_width);
10584 if self.corner_radius > Pixels::ZERO {
10585 builder.curve_to(bottom_left - curve_height, bottom_left);
10586 }
10587 }
10588 }
10589
10590 if first_line.start_x > last_line.start_x {
10591 let curve_width = curve_width(last_line.start_x, first_line.start_x);
10592 let second_top_left = point(last_line.start_x, start_y + self.line_height);
10593 builder.line_to(second_top_left + curve_height);
10594 if self.corner_radius > Pixels::ZERO {
10595 builder.curve_to(second_top_left + curve_width, second_top_left);
10596 }
10597 let first_bottom_left = point(first_line.start_x, second_top_left.y);
10598 builder.line_to(first_bottom_left - curve_width);
10599 if self.corner_radius > Pixels::ZERO {
10600 builder.curve_to(first_bottom_left - curve_height, first_bottom_left);
10601 }
10602 }
10603
10604 builder.line_to(first_top_left + curve_height);
10605 if self.corner_radius > Pixels::ZERO {
10606 builder.curve_to(first_top_left + top_curve_width, first_top_left);
10607 }
10608 builder.line_to(first_top_right - top_curve_width);
10609
10610 if let Ok(path) = builder.build() {
10611 window.paint_path(path, self.color);
10612 }
10613 }
10614}
10615
10616enum CursorPopoverType {
10617 CodeContextMenu,
10618 EditPrediction,
10619}
10620
10621pub fn scale_vertical_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10622 (delta.pow(1.2) / 100.0).min(px(3.0)).into()
10623}
10624
10625fn scale_horizontal_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10626 (delta.pow(1.2) / 300.0).into()
10627}
10628
10629pub fn register_action<T: Action>(
10630 editor: &Entity<Editor>,
10631 window: &mut Window,
10632 listener: impl Fn(&mut Editor, &T, &mut Window, &mut Context<Editor>) + 'static,
10633) {
10634 let editor = editor.clone();
10635 window.on_action(TypeId::of::<T>(), move |action, phase, window, cx| {
10636 let action = action.downcast_ref().unwrap();
10637 if phase == DispatchPhase::Bubble {
10638 editor.update(cx, |editor, cx| {
10639 listener(editor, action, window, cx);
10640 })
10641 }
10642 })
10643}
10644
10645fn compute_auto_height_layout(
10646 editor: &mut Editor,
10647 min_lines: usize,
10648 max_lines: Option<usize>,
10649 max_line_number_width: Pixels,
10650 known_dimensions: Size<Option<Pixels>>,
10651 available_width: AvailableSpace,
10652 window: &mut Window,
10653 cx: &mut Context<Editor>,
10654) -> Option<Size<Pixels>> {
10655 let width = known_dimensions.width.or({
10656 if let AvailableSpace::Definite(available_width) = available_width {
10657 Some(available_width)
10658 } else {
10659 None
10660 }
10661 })?;
10662 if let Some(height) = known_dimensions.height {
10663 return Some(size(width, height));
10664 }
10665
10666 let style = editor.style.as_ref().unwrap();
10667 let font_id = window.text_system().resolve_font(&style.text.font());
10668 let font_size = style.text.font_size.to_pixels(window.rem_size());
10669 let line_height = style.text.line_height_in_pixels(window.rem_size());
10670 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
10671
10672 let mut snapshot = editor.snapshot(window, cx);
10673 let gutter_dimensions = snapshot
10674 .gutter_dimensions(font_id, font_size, max_line_number_width, cx)
10675 .or_else(|| {
10676 editor
10677 .offset_content
10678 .then(|| GutterDimensions::default_with_margin(font_id, font_size, cx))
10679 })
10680 .unwrap_or_default();
10681
10682 editor.gutter_dimensions = gutter_dimensions;
10683 let text_width = width - gutter_dimensions.width;
10684 let overscroll = size(em_width, px(0.));
10685
10686 let editor_width = text_width - gutter_dimensions.margin - overscroll.width - em_width;
10687 if !matches!(editor.soft_wrap_mode(cx), SoftWrap::None)
10688 && editor.set_wrap_width(Some(editor_width), cx)
10689 {
10690 snapshot = editor.snapshot(window, cx);
10691 }
10692
10693 let scroll_height = (snapshot.max_point().row().next_row().0 as f32) * line_height;
10694
10695 let min_height = line_height * min_lines as f32;
10696 let content_height = scroll_height.max(min_height);
10697
10698 let final_height = if let Some(max_lines) = max_lines {
10699 let max_height = line_height * max_lines as f32;
10700 content_height.min(max_height)
10701 } else {
10702 content_height
10703 };
10704
10705 Some(size(width, final_height))
10706}
10707
10708#[cfg(test)]
10709mod tests {
10710 use super::*;
10711 use crate::{
10712 Editor, MultiBuffer, SelectionEffects,
10713 display_map::{BlockPlacement, BlockProperties},
10714 editor_tests::{init_test, update_test_language_settings},
10715 };
10716 use gpui::{TestAppContext, VisualTestContext};
10717 use language::language_settings;
10718 use log::info;
10719 use std::num::NonZeroU32;
10720 use util::test::sample_text;
10721
10722 #[gpui::test]
10723 async fn test_soft_wrap_editor_width_auto_height_editor(cx: &mut TestAppContext) {
10724 init_test(cx, |_| {});
10725
10726 let window = cx.add_window(|window, cx| {
10727 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10728 let mut editor = Editor::new(
10729 EditorMode::AutoHeight {
10730 min_lines: 1,
10731 max_lines: None,
10732 },
10733 buffer,
10734 None,
10735 window,
10736 cx,
10737 );
10738 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10739 editor
10740 });
10741 let cx = &mut VisualTestContext::from_window(*window, cx);
10742 let editor = window.root(cx).unwrap();
10743 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10744
10745 for x in 1..=100 {
10746 let (_, state) = cx.draw(
10747 Default::default(),
10748 size(px(200. + 0.13 * x as f32), px(500.)),
10749 |_, _| EditorElement::new(&editor, style.clone()),
10750 );
10751
10752 assert!(
10753 state.position_map.scroll_max.x == 0.,
10754 "Soft wrapped editor should have no horizontal scrolling!"
10755 );
10756 }
10757 }
10758
10759 #[gpui::test]
10760 async fn test_soft_wrap_editor_width_full_editor(cx: &mut TestAppContext) {
10761 init_test(cx, |_| {});
10762
10763 let window = cx.add_window(|window, cx| {
10764 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10765 let mut editor = Editor::new(EditorMode::full(), buffer, None, window, cx);
10766 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10767 editor
10768 });
10769 let cx = &mut VisualTestContext::from_window(*window, cx);
10770 let editor = window.root(cx).unwrap();
10771 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10772
10773 for x in 1..=100 {
10774 let (_, state) = cx.draw(
10775 Default::default(),
10776 size(px(200. + 0.13 * x as f32), px(500.)),
10777 |_, _| EditorElement::new(&editor, style.clone()),
10778 );
10779
10780 assert!(
10781 state.position_map.scroll_max.x == 0.,
10782 "Soft wrapped editor should have no horizontal scrolling!"
10783 );
10784 }
10785 }
10786
10787 #[gpui::test]
10788 fn test_shape_line_numbers(cx: &mut TestAppContext) {
10789 init_test(cx, |_| {});
10790 let window = cx.add_window(|window, cx| {
10791 let buffer = MultiBuffer::build_simple(&sample_text(6, 6, 'a'), cx);
10792 Editor::new(EditorMode::full(), buffer, None, window, cx)
10793 });
10794
10795 let editor = window.root(cx).unwrap();
10796 let style = cx.update(|cx| editor.read(cx).style().unwrap().clone());
10797 let line_height = window
10798 .update(cx, |_, window, _| {
10799 style.text.line_height_in_pixels(window.rem_size())
10800 })
10801 .unwrap();
10802 let element = EditorElement::new(&editor, style);
10803 let snapshot = window
10804 .update(cx, |editor, window, cx| editor.snapshot(window, cx))
10805 .unwrap();
10806
10807 let layouts = cx
10808 .update_window(*window, |_, window, cx| {
10809 element.layout_line_numbers(
10810 None,
10811 GutterDimensions {
10812 left_padding: Pixels::ZERO,
10813 right_padding: Pixels::ZERO,
10814 width: px(30.0),
10815 margin: Pixels::ZERO,
10816 git_blame_entries_width: None,
10817 },
10818 line_height,
10819 gpui::Point::default(),
10820 DisplayRow(0)..DisplayRow(6),
10821 &(0..6)
10822 .map(|row| RowInfo {
10823 buffer_row: Some(row),
10824 ..Default::default()
10825 })
10826 .collect::<Vec<_>>(),
10827 &BTreeMap::default(),
10828 Some(DisplayPoint::new(DisplayRow(0), 0)),
10829 &snapshot,
10830 window,
10831 cx,
10832 )
10833 })
10834 .unwrap();
10835 assert_eq!(layouts.len(), 6);
10836
10837 let relative_rows = window
10838 .update(cx, |editor, window, cx| {
10839 let snapshot = editor.snapshot(window, cx);
10840 element.calculate_relative_line_numbers(
10841 &snapshot,
10842 &(DisplayRow(0)..DisplayRow(6)),
10843 Some(DisplayRow(3)),
10844 )
10845 })
10846 .unwrap();
10847 assert_eq!(relative_rows[&DisplayRow(0)], 3);
10848 assert_eq!(relative_rows[&DisplayRow(1)], 2);
10849 assert_eq!(relative_rows[&DisplayRow(2)], 1);
10850 // current line has no relative number
10851 assert_eq!(relative_rows[&DisplayRow(4)], 1);
10852 assert_eq!(relative_rows[&DisplayRow(5)], 2);
10853
10854 // works if cursor is before screen
10855 let relative_rows = window
10856 .update(cx, |editor, window, cx| {
10857 let snapshot = editor.snapshot(window, cx);
10858 element.calculate_relative_line_numbers(
10859 &snapshot,
10860 &(DisplayRow(3)..DisplayRow(6)),
10861 Some(DisplayRow(1)),
10862 )
10863 })
10864 .unwrap();
10865 assert_eq!(relative_rows.len(), 3);
10866 assert_eq!(relative_rows[&DisplayRow(3)], 2);
10867 assert_eq!(relative_rows[&DisplayRow(4)], 3);
10868 assert_eq!(relative_rows[&DisplayRow(5)], 4);
10869
10870 // works if cursor is after screen
10871 let relative_rows = window
10872 .update(cx, |editor, window, cx| {
10873 let snapshot = editor.snapshot(window, cx);
10874 element.calculate_relative_line_numbers(
10875 &snapshot,
10876 &(DisplayRow(0)..DisplayRow(3)),
10877 Some(DisplayRow(6)),
10878 )
10879 })
10880 .unwrap();
10881 assert_eq!(relative_rows.len(), 3);
10882 assert_eq!(relative_rows[&DisplayRow(0)], 5);
10883 assert_eq!(relative_rows[&DisplayRow(1)], 4);
10884 assert_eq!(relative_rows[&DisplayRow(2)], 3);
10885 }
10886
10887 #[gpui::test]
10888 async fn test_vim_visual_selections(cx: &mut TestAppContext) {
10889 init_test(cx, |_| {});
10890
10891 let window = cx.add_window(|window, cx| {
10892 let buffer = MultiBuffer::build_simple(&(sample_text(6, 6, 'a') + "\n"), cx);
10893 Editor::new(EditorMode::full(), buffer, None, window, cx)
10894 });
10895 let cx = &mut VisualTestContext::from_window(*window, cx);
10896 let editor = window.root(cx).unwrap();
10897 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10898
10899 window
10900 .update(cx, |editor, window, cx| {
10901 editor.cursor_shape = CursorShape::Block;
10902 editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
10903 s.select_ranges([
10904 Point::new(0, 0)..Point::new(1, 0),
10905 Point::new(3, 2)..Point::new(3, 3),
10906 Point::new(5, 6)..Point::new(6, 0),
10907 ]);
10908 });
10909 })
10910 .unwrap();
10911
10912 let (_, state) = cx.draw(
10913 point(px(500.), px(500.)),
10914 size(px(500.), px(500.)),
10915 |_, _| EditorElement::new(&editor, style),
10916 );
10917
10918 assert_eq!(state.selections.len(), 1);
10919 let local_selections = &state.selections[0].1;
10920 assert_eq!(local_selections.len(), 3);
10921 // moves cursor back one line
10922 assert_eq!(
10923 local_selections[0].head,
10924 DisplayPoint::new(DisplayRow(0), 6)
10925 );
10926 assert_eq!(
10927 local_selections[0].range,
10928 DisplayPoint::new(DisplayRow(0), 0)..DisplayPoint::new(DisplayRow(1), 0)
10929 );
10930
10931 // moves cursor back one column
10932 assert_eq!(
10933 local_selections[1].range,
10934 DisplayPoint::new(DisplayRow(3), 2)..DisplayPoint::new(DisplayRow(3), 3)
10935 );
10936 assert_eq!(
10937 local_selections[1].head,
10938 DisplayPoint::new(DisplayRow(3), 2)
10939 );
10940
10941 // leaves cursor on the max point
10942 assert_eq!(
10943 local_selections[2].range,
10944 DisplayPoint::new(DisplayRow(5), 6)..DisplayPoint::new(DisplayRow(6), 0)
10945 );
10946 assert_eq!(
10947 local_selections[2].head,
10948 DisplayPoint::new(DisplayRow(6), 0)
10949 );
10950
10951 // active lines does not include 1 (even though the range of the selection does)
10952 assert_eq!(
10953 state.active_rows.keys().cloned().collect::<Vec<_>>(),
10954 vec![DisplayRow(0), DisplayRow(3), DisplayRow(5), DisplayRow(6)]
10955 );
10956 }
10957
10958 #[gpui::test]
10959 fn test_layout_with_placeholder_text_and_blocks(cx: &mut TestAppContext) {
10960 init_test(cx, |_| {});
10961
10962 let window = cx.add_window(|window, cx| {
10963 let buffer = MultiBuffer::build_simple("", cx);
10964 Editor::new(EditorMode::full(), buffer, None, window, cx)
10965 });
10966 let cx = &mut VisualTestContext::from_window(*window, cx);
10967 let editor = window.root(cx).unwrap();
10968 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10969 window
10970 .update(cx, |editor, window, cx| {
10971 editor.set_placeholder_text("hello", window, cx);
10972 editor.insert_blocks(
10973 [BlockProperties {
10974 style: BlockStyle::Fixed,
10975 placement: BlockPlacement::Above(Anchor::min()),
10976 height: Some(3),
10977 render: Arc::new(|cx| div().h(3. * cx.window.line_height()).into_any()),
10978 priority: 0,
10979 }],
10980 None,
10981 cx,
10982 );
10983
10984 // Blur the editor so that it displays placeholder text.
10985 window.blur();
10986 })
10987 .unwrap();
10988
10989 let (_, state) = cx.draw(
10990 point(px(500.), px(500.)),
10991 size(px(500.), px(500.)),
10992 |_, _| EditorElement::new(&editor, style),
10993 );
10994 assert_eq!(state.position_map.line_layouts.len(), 4);
10995 assert_eq!(state.line_numbers.len(), 1);
10996 assert_eq!(
10997 state
10998 .line_numbers
10999 .get(&MultiBufferRow(0))
11000 .map(|line_number| line_number.shaped_line.text.as_ref()),
11001 Some("1")
11002 );
11003 }
11004
11005 #[gpui::test]
11006 fn test_all_invisibles_drawing(cx: &mut TestAppContext) {
11007 const TAB_SIZE: u32 = 4;
11008
11009 let input_text = "\t \t|\t| a b";
11010 let expected_invisibles = vec![
11011 Invisible::Tab {
11012 line_start_offset: 0,
11013 line_end_offset: TAB_SIZE as usize,
11014 },
11015 Invisible::Whitespace {
11016 line_offset: TAB_SIZE as usize,
11017 },
11018 Invisible::Tab {
11019 line_start_offset: TAB_SIZE as usize + 1,
11020 line_end_offset: TAB_SIZE as usize * 2,
11021 },
11022 Invisible::Tab {
11023 line_start_offset: TAB_SIZE as usize * 2 + 1,
11024 line_end_offset: TAB_SIZE as usize * 3,
11025 },
11026 Invisible::Whitespace {
11027 line_offset: TAB_SIZE as usize * 3 + 1,
11028 },
11029 Invisible::Whitespace {
11030 line_offset: TAB_SIZE as usize * 3 + 3,
11031 },
11032 ];
11033 assert_eq!(
11034 expected_invisibles.len(),
11035 input_text
11036 .chars()
11037 .filter(|initial_char| initial_char.is_whitespace())
11038 .count(),
11039 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
11040 );
11041
11042 for show_line_numbers in [true, false] {
11043 init_test(cx, |s| {
11044 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11045 s.defaults.tab_size = NonZeroU32::new(TAB_SIZE);
11046 });
11047
11048 let actual_invisibles = collect_invisibles_from_new_editor(
11049 cx,
11050 EditorMode::full(),
11051 input_text,
11052 px(500.0),
11053 show_line_numbers,
11054 );
11055
11056 assert_eq!(expected_invisibles, actual_invisibles);
11057 }
11058 }
11059
11060 #[gpui::test]
11061 fn test_invisibles_dont_appear_in_certain_editors(cx: &mut TestAppContext) {
11062 init_test(cx, |s| {
11063 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11064 s.defaults.tab_size = NonZeroU32::new(4);
11065 });
11066
11067 for editor_mode_without_invisibles in [
11068 EditorMode::SingleLine,
11069 EditorMode::AutoHeight {
11070 min_lines: 1,
11071 max_lines: Some(100),
11072 },
11073 ] {
11074 for show_line_numbers in [true, false] {
11075 let invisibles = collect_invisibles_from_new_editor(
11076 cx,
11077 editor_mode_without_invisibles.clone(),
11078 "\t\t\t| | a b",
11079 px(500.0),
11080 show_line_numbers,
11081 );
11082 assert!(
11083 invisibles.is_empty(),
11084 "For editor mode {editor_mode_without_invisibles:?} no invisibles was expected but got {invisibles:?}"
11085 );
11086 }
11087 }
11088 }
11089
11090 #[gpui::test]
11091 fn test_wrapped_invisibles_drawing(cx: &mut TestAppContext) {
11092 let tab_size = 4;
11093 let input_text = "a\tbcd ".repeat(9);
11094 let repeated_invisibles = [
11095 Invisible::Tab {
11096 line_start_offset: 1,
11097 line_end_offset: tab_size as usize,
11098 },
11099 Invisible::Whitespace {
11100 line_offset: tab_size as usize + 3,
11101 },
11102 Invisible::Whitespace {
11103 line_offset: tab_size as usize + 4,
11104 },
11105 Invisible::Whitespace {
11106 line_offset: tab_size as usize + 5,
11107 },
11108 Invisible::Whitespace {
11109 line_offset: tab_size as usize + 6,
11110 },
11111 Invisible::Whitespace {
11112 line_offset: tab_size as usize + 7,
11113 },
11114 ];
11115 let expected_invisibles = std::iter::once(repeated_invisibles)
11116 .cycle()
11117 .take(9)
11118 .flatten()
11119 .collect::<Vec<_>>();
11120 assert_eq!(
11121 expected_invisibles.len(),
11122 input_text
11123 .chars()
11124 .filter(|initial_char| initial_char.is_whitespace())
11125 .count(),
11126 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
11127 );
11128 info!("Expected invisibles: {expected_invisibles:?}");
11129
11130 init_test(cx, |_| {});
11131
11132 // Put the same string with repeating whitespace pattern into editors of various size,
11133 // take deliberately small steps during resizing, to put all whitespace kinds near the wrap point.
11134 let resize_step = 10.0;
11135 let mut editor_width = 200.0;
11136 while editor_width <= 1000.0 {
11137 for show_line_numbers in [true, false] {
11138 update_test_language_settings(cx, |s| {
11139 s.defaults.tab_size = NonZeroU32::new(tab_size);
11140 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11141 s.defaults.preferred_line_length = Some(editor_width as u32);
11142 s.defaults.soft_wrap = Some(language_settings::SoftWrap::PreferredLineLength);
11143 });
11144
11145 let actual_invisibles = collect_invisibles_from_new_editor(
11146 cx,
11147 EditorMode::full(),
11148 &input_text,
11149 px(editor_width),
11150 show_line_numbers,
11151 );
11152
11153 // Whatever the editor size is, ensure it has the same invisible kinds in the same order
11154 // (no good guarantees about the offsets: wrapping could trigger padding and its tests should check the offsets).
11155 let mut i = 0;
11156 for (actual_index, actual_invisible) in actual_invisibles.iter().enumerate() {
11157 i = actual_index;
11158 match expected_invisibles.get(i) {
11159 Some(expected_invisible) => match (expected_invisible, actual_invisible) {
11160 (Invisible::Whitespace { .. }, Invisible::Whitespace { .. })
11161 | (Invisible::Tab { .. }, Invisible::Tab { .. }) => {}
11162 _ => {
11163 panic!(
11164 "At index {i}, expected invisible {expected_invisible:?} does not match actual {actual_invisible:?} by kind. Actual invisibles: {actual_invisibles:?}"
11165 )
11166 }
11167 },
11168 None => {
11169 panic!("Unexpected extra invisible {actual_invisible:?} at index {i}")
11170 }
11171 }
11172 }
11173 let missing_expected_invisibles = &expected_invisibles[i + 1..];
11174 assert!(
11175 missing_expected_invisibles.is_empty(),
11176 "Missing expected invisibles after index {i}: {missing_expected_invisibles:?}"
11177 );
11178
11179 editor_width += resize_step;
11180 }
11181 }
11182 }
11183
11184 fn collect_invisibles_from_new_editor(
11185 cx: &mut TestAppContext,
11186 editor_mode: EditorMode,
11187 input_text: &str,
11188 editor_width: Pixels,
11189 show_line_numbers: bool,
11190 ) -> Vec<Invisible> {
11191 info!(
11192 "Creating editor with mode {editor_mode:?}, width {}px and text '{input_text}'",
11193 f32::from(editor_width)
11194 );
11195 let window = cx.add_window(|window, cx| {
11196 let buffer = MultiBuffer::build_simple(input_text, cx);
11197 Editor::new(editor_mode, buffer, None, window, cx)
11198 });
11199 let cx = &mut VisualTestContext::from_window(*window, cx);
11200 let editor = window.root(cx).unwrap();
11201
11202 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
11203 window
11204 .update(cx, |editor, _, cx| {
11205 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
11206 editor.set_wrap_width(Some(editor_width), cx);
11207 editor.set_show_line_numbers(show_line_numbers, cx);
11208 })
11209 .unwrap();
11210 let (_, state) = cx.draw(
11211 point(px(500.), px(500.)),
11212 size(px(500.), px(500.)),
11213 |_, _| EditorElement::new(&editor, style),
11214 );
11215 state
11216 .position_map
11217 .line_layouts
11218 .iter()
11219 .flat_map(|line_with_invisibles| &line_with_invisibles.invisibles)
11220 .cloned()
11221 .collect()
11222 }
11223
11224 #[gpui::test]
11225 fn test_merge_overlapping_ranges() {
11226 let base_bg = Hsla::white();
11227 let color1 = Hsla {
11228 h: 0.0,
11229 s: 0.5,
11230 l: 0.5,
11231 a: 0.5,
11232 };
11233 let color2 = Hsla {
11234 h: 120.0,
11235 s: 0.5,
11236 l: 0.5,
11237 a: 0.5,
11238 };
11239
11240 let display_point = |col| DisplayPoint::new(DisplayRow(0), col);
11241 let cols = |v: &Vec<(Range<DisplayPoint>, Hsla)>| -> Vec<(u32, u32)> {
11242 v.iter()
11243 .map(|(r, _)| (r.start.column(), r.end.column()))
11244 .collect()
11245 };
11246
11247 // Test overlapping ranges blend colors
11248 let overlapping = vec![
11249 (display_point(5)..display_point(15), color1),
11250 (display_point(10)..display_point(20), color2),
11251 ];
11252 let result = EditorElement::merge_overlapping_ranges(overlapping, base_bg);
11253 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11254
11255 // Test middle segment should have blended color
11256 let blended = Hsla::blend(Hsla::blend(base_bg, color1), color2);
11257 assert_eq!(result[1].1, blended);
11258
11259 // Test adjacent same-color ranges merge
11260 let adjacent_same = vec![
11261 (display_point(5)..display_point(10), color1),
11262 (display_point(10)..display_point(15), color1),
11263 ];
11264 let result = EditorElement::merge_overlapping_ranges(adjacent_same, base_bg);
11265 assert_eq!(cols(&result), vec![(5, 15)]);
11266
11267 // Test contained range splits
11268 let contained = vec![
11269 (display_point(5)..display_point(20), color1),
11270 (display_point(10)..display_point(15), color2),
11271 ];
11272 let result = EditorElement::merge_overlapping_ranges(contained, base_bg);
11273 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11274
11275 // Test multiple overlaps split at every boundary
11276 let color3 = Hsla {
11277 h: 240.0,
11278 s: 0.5,
11279 l: 0.5,
11280 a: 0.5,
11281 };
11282 let complex = vec![
11283 (display_point(5)..display_point(12), color1),
11284 (display_point(8)..display_point(16), color2),
11285 (display_point(10)..display_point(14), color3),
11286 ];
11287 let result = EditorElement::merge_overlapping_ranges(complex, base_bg);
11288 assert_eq!(
11289 cols(&result),
11290 vec![(5, 8), (8, 10), (10, 12), (12, 14), (14, 16)]
11291 );
11292 }
11293
11294 #[gpui::test]
11295 fn test_bg_segments_per_row() {
11296 let base_bg = Hsla::white();
11297
11298 // Case A: selection spans three display rows: row 1 [5, end), full row 2, row 3 [0, 7)
11299 {
11300 let selection_color = Hsla {
11301 h: 200.0,
11302 s: 0.5,
11303 l: 0.5,
11304 a: 0.5,
11305 };
11306 let player_color = PlayerColor {
11307 cursor: selection_color,
11308 background: selection_color,
11309 selection: selection_color,
11310 };
11311
11312 let spanning_selection = SelectionLayout {
11313 head: DisplayPoint::new(DisplayRow(3), 7),
11314 cursor_shape: CursorShape::Bar,
11315 is_newest: true,
11316 is_local: true,
11317 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 7),
11318 active_rows: DisplayRow(1)..DisplayRow(4),
11319 user_name: None,
11320 };
11321
11322 let selections = vec![(player_color, vec![spanning_selection])];
11323 let result = EditorElement::bg_segments_per_row(
11324 DisplayRow(0)..DisplayRow(5),
11325 &selections,
11326 &[],
11327 base_bg,
11328 );
11329
11330 assert_eq!(result.len(), 5);
11331 assert!(result[0].is_empty());
11332 assert_eq!(result[1].len(), 1);
11333 assert_eq!(result[2].len(), 1);
11334 assert_eq!(result[3].len(), 1);
11335 assert!(result[4].is_empty());
11336
11337 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11338 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11339 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11340 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11341 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11342 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11343 assert_eq!(result[3][0].0.start, DisplayPoint::new(DisplayRow(3), 0));
11344 assert_eq!(result[3][0].0.end, DisplayPoint::new(DisplayRow(3), 7));
11345 }
11346
11347 // Case B: selection ends exactly at the start of row 3, excluding row 3
11348 {
11349 let selection_color = Hsla {
11350 h: 120.0,
11351 s: 0.5,
11352 l: 0.5,
11353 a: 0.5,
11354 };
11355 let player_color = PlayerColor {
11356 cursor: selection_color,
11357 background: selection_color,
11358 selection: selection_color,
11359 };
11360
11361 let selection = SelectionLayout {
11362 head: DisplayPoint::new(DisplayRow(2), 0),
11363 cursor_shape: CursorShape::Bar,
11364 is_newest: true,
11365 is_local: true,
11366 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 0),
11367 active_rows: DisplayRow(1)..DisplayRow(3),
11368 user_name: None,
11369 };
11370
11371 let selections = vec![(player_color, vec![selection])];
11372 let result = EditorElement::bg_segments_per_row(
11373 DisplayRow(0)..DisplayRow(4),
11374 &selections,
11375 &[],
11376 base_bg,
11377 );
11378
11379 assert_eq!(result.len(), 4);
11380 assert!(result[0].is_empty());
11381 assert_eq!(result[1].len(), 1);
11382 assert_eq!(result[2].len(), 1);
11383 assert!(result[3].is_empty());
11384
11385 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11386 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11387 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11388 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11389 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11390 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11391 }
11392 }
11393
11394 #[cfg(test)]
11395 fn generate_test_run(len: usize, color: Hsla) -> TextRun {
11396 TextRun {
11397 len,
11398 font: gpui::font(".SystemUIFont"),
11399 color,
11400 background_color: None,
11401 underline: None,
11402 strikethrough: None,
11403 }
11404 }
11405
11406 #[gpui::test]
11407 fn test_split_runs_by_bg_segments(cx: &mut gpui::TestAppContext) {
11408 init_test(cx, |_| {});
11409
11410 let dx = |start: u32, end: u32| {
11411 DisplayPoint::new(DisplayRow(0), start)..DisplayPoint::new(DisplayRow(0), end)
11412 };
11413
11414 let text_color = Hsla {
11415 h: 210.0,
11416 s: 0.1,
11417 l: 0.4,
11418 a: 1.0,
11419 };
11420 let bg_1 = Hsla {
11421 h: 30.0,
11422 s: 0.6,
11423 l: 0.8,
11424 a: 1.0,
11425 };
11426 let bg_2 = Hsla {
11427 h: 200.0,
11428 s: 0.6,
11429 l: 0.2,
11430 a: 1.0,
11431 };
11432 let min_contrast = 45.0;
11433 let adjusted_bg1 = ensure_minimum_contrast(text_color, bg_1, min_contrast);
11434 let adjusted_bg2 = ensure_minimum_contrast(text_color, bg_2, min_contrast);
11435
11436 // Case A: single run; disjoint segments inside the run
11437 {
11438 let runs = vec![generate_test_run(20, text_color)];
11439 let segs = vec![(dx(5, 10), bg_1), (dx(12, 16), bg_2)];
11440 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11441 // Expected slices: [0,5) [5,10) [10,12) [12,16) [16,20)
11442 assert_eq!(
11443 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11444 vec![5, 5, 2, 4, 4]
11445 );
11446 assert_eq!(out[0].color, text_color);
11447 assert_eq!(out[1].color, adjusted_bg1);
11448 assert_eq!(out[2].color, text_color);
11449 assert_eq!(out[3].color, adjusted_bg2);
11450 assert_eq!(out[4].color, text_color);
11451 }
11452
11453 // Case B: multiple runs; segment extends to end of line (u32::MAX)
11454 {
11455 let runs = vec![
11456 generate_test_run(8, text_color),
11457 generate_test_run(7, text_color),
11458 ];
11459 let segs = vec![(dx(6, u32::MAX), bg_1)];
11460 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11461 // Expected slices across runs: [0,6) [6,8) | [0,7)
11462 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![6, 2, 7]);
11463 assert_eq!(out[0].color, text_color);
11464 assert_eq!(out[1].color, adjusted_bg1);
11465 assert_eq!(out[2].color, adjusted_bg1);
11466 }
11467
11468 // Case C: multi-byte characters
11469 {
11470 // for text: "Hello π δΈη!"
11471 let runs = vec![
11472 generate_test_run(5, text_color), // "Hello"
11473 generate_test_run(6, text_color), // " π "
11474 generate_test_run(6, text_color), // "δΈη"
11475 generate_test_run(1, text_color), // "!"
11476 ];
11477 // selecting "π δΈ"
11478 let segs = vec![(dx(6, 14), bg_1)];
11479 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11480 // "Hello" | " " | "π " | "δΈ" | "η" | "!"
11481 assert_eq!(
11482 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11483 vec![5, 1, 5, 3, 3, 1]
11484 );
11485 assert_eq!(out[0].color, text_color); // "Hello"
11486 assert_eq!(out[2].color, adjusted_bg1); // "π "
11487 assert_eq!(out[3].color, adjusted_bg1); // "δΈ"
11488 assert_eq!(out[4].color, text_color); // "η"
11489 assert_eq!(out[5].color, text_color); // "!"
11490 }
11491
11492 // Case D: split multiple consecutive text runs with segments
11493 {
11494 let segs = vec![
11495 (dx(2, 4), bg_1), // selecting "cd"
11496 (dx(4, 8), bg_2), // selecting "efgh"
11497 (dx(9, 11), bg_1), // selecting "jk"
11498 (dx(12, 16), bg_2), // selecting "mnop"
11499 (dx(18, 19), bg_1), // selecting "s"
11500 ];
11501
11502 // for text: "abcdef"
11503 let runs = vec![
11504 generate_test_run(2, text_color), // ab
11505 generate_test_run(4, text_color), // cdef
11506 ];
11507 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11508 // new splits "ab", "cd", "ef"
11509 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![2, 2, 2]);
11510 assert_eq!(out[0].color, text_color);
11511 assert_eq!(out[1].color, adjusted_bg1);
11512 assert_eq!(out[2].color, adjusted_bg2);
11513
11514 // for text: "ghijklmn"
11515 let runs = vec![
11516 generate_test_run(3, text_color), // ghi
11517 generate_test_run(2, text_color), // jk
11518 generate_test_run(3, text_color), // lmn
11519 ];
11520 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 6); // 2 + 4 from first run
11521 // new splits "gh", "i", "jk", "l", "mn"
11522 assert_eq!(
11523 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11524 vec![2, 1, 2, 1, 2]
11525 );
11526 assert_eq!(out[0].color, adjusted_bg2);
11527 assert_eq!(out[1].color, text_color);
11528 assert_eq!(out[2].color, adjusted_bg1);
11529 assert_eq!(out[3].color, text_color);
11530 assert_eq!(out[4].color, adjusted_bg2);
11531
11532 // for text: "opqrs"
11533 let runs = vec![
11534 generate_test_run(1, text_color), // o
11535 generate_test_run(4, text_color), // pqrs
11536 ];
11537 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 14); // 6 + 3 + 2 + 3 from first two runs
11538 // new splits "o", "p", "qr", "s"
11539 assert_eq!(
11540 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11541 vec![1, 1, 2, 1]
11542 );
11543 assert_eq!(out[0].color, adjusted_bg2);
11544 assert_eq!(out[1].color, adjusted_bg2);
11545 assert_eq!(out[2].color, text_color);
11546 assert_eq!(out[3].color, adjusted_bg1);
11547 }
11548 }
11549}