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)
1074 .drag_and_drop_selection
1075 .delay
1076 .0,
1077 );
1078 if mouse_down_time.elapsed() >= drag_and_drop_delay {
1079 let drop_cursor = Selection {
1080 id: post_inc(&mut editor.selections.next_selection_id()),
1081 start: drop_anchor,
1082 end: drop_anchor,
1083 reversed: false,
1084 goal: SelectionGoal::None,
1085 };
1086 editor.selection_drag_state = SelectionDragState::Dragging {
1087 selection: selection.clone(),
1088 drop_cursor,
1089 hide_drop_cursor: false,
1090 };
1091 editor.apply_scroll_delta(scroll_delta, window, cx);
1092 cx.notify();
1093 } else {
1094 let click_point = position_map.point_for_position(*click_position);
1095 editor.selection_drag_state = SelectionDragState::None;
1096 editor.select(
1097 SelectPhase::Begin {
1098 position: click_point.previous_valid,
1099 add: false,
1100 click_count: 1,
1101 },
1102 window,
1103 cx,
1104 );
1105 editor.select(
1106 SelectPhase::Update {
1107 position: point_for_position.previous_valid,
1108 goal_column: point_for_position.exact_unclipped.column(),
1109 scroll_delta,
1110 },
1111 window,
1112 cx,
1113 );
1114 }
1115 }
1116 _ => {}
1117 }
1118 } else {
1119 editor.select(
1120 SelectPhase::Update {
1121 position: point_for_position.previous_valid,
1122 goal_column: point_for_position.exact_unclipped.column(),
1123 scroll_delta,
1124 },
1125 window,
1126 cx,
1127 );
1128 }
1129 }
1130
1131 fn mouse_moved(
1132 editor: &mut Editor,
1133 event: &MouseMoveEvent,
1134 position_map: &PositionMap,
1135 window: &mut Window,
1136 cx: &mut Context<Editor>,
1137 ) {
1138 let text_hitbox = &position_map.text_hitbox;
1139 let gutter_hitbox = &position_map.gutter_hitbox;
1140 let modifiers = event.modifiers;
1141 let text_hovered = text_hitbox.is_hovered(window);
1142 let gutter_hovered = gutter_hitbox.is_hovered(window);
1143 editor.set_gutter_hovered(gutter_hovered, cx);
1144 editor.show_mouse_cursor(cx);
1145
1146 let point_for_position = position_map.point_for_position(event.position);
1147 let valid_point = point_for_position.previous_valid;
1148
1149 let hovered_diff_control = position_map
1150 .diff_hunk_control_bounds
1151 .iter()
1152 .find(|(_, bounds)| bounds.contains(&event.position))
1153 .map(|(row, _)| *row);
1154
1155 let hovered_diff_hunk_row = if let Some(control_row) = hovered_diff_control {
1156 Some(control_row)
1157 } else if text_hovered {
1158 let current_row = valid_point.row();
1159 position_map.display_hunks.iter().find_map(|(hunk, _)| {
1160 if let DisplayDiffHunk::Unfolded {
1161 display_row_range, ..
1162 } = hunk
1163 {
1164 if display_row_range.contains(¤t_row) {
1165 Some(display_row_range.start)
1166 } else {
1167 None
1168 }
1169 } else {
1170 None
1171 }
1172 })
1173 } else {
1174 None
1175 };
1176
1177 if hovered_diff_hunk_row != editor.hovered_diff_hunk_row {
1178 editor.hovered_diff_hunk_row = hovered_diff_hunk_row;
1179 cx.notify();
1180 }
1181
1182 if let Some((bounds, buffer_id, blame_entry)) = &position_map.inline_blame_bounds {
1183 let mouse_over_inline_blame = bounds.contains(&event.position);
1184 let mouse_over_popover = editor
1185 .inline_blame_popover
1186 .as_ref()
1187 .and_then(|state| state.popover_bounds)
1188 .is_some_and(|bounds| bounds.contains(&event.position));
1189 let keyboard_grace = editor
1190 .inline_blame_popover
1191 .as_ref()
1192 .is_some_and(|state| state.keyboard_grace);
1193
1194 if mouse_over_inline_blame || mouse_over_popover {
1195 editor.show_blame_popover(*buffer_id, blame_entry, event.position, false, cx);
1196 } else if !keyboard_grace {
1197 editor.hide_blame_popover(cx);
1198 }
1199 } else {
1200 editor.hide_blame_popover(cx);
1201 }
1202
1203 let breakpoint_indicator = if gutter_hovered {
1204 let buffer_anchor = position_map
1205 .snapshot
1206 .display_point_to_anchor(valid_point, Bias::Left);
1207
1208 if let Some((buffer_snapshot, file)) = position_map
1209 .snapshot
1210 .buffer_snapshot()
1211 .buffer_for_excerpt(buffer_anchor.excerpt_id)
1212 .and_then(|buffer| buffer.file().map(|file| (buffer, file)))
1213 {
1214 let as_point = text::ToPoint::to_point(&buffer_anchor.text_anchor, buffer_snapshot);
1215
1216 let is_visible = editor
1217 .gutter_breakpoint_indicator
1218 .0
1219 .is_some_and(|indicator| indicator.is_active);
1220
1221 let has_existing_breakpoint =
1222 editor.breakpoint_store.as_ref().is_some_and(|store| {
1223 let Some(project) = &editor.project else {
1224 return false;
1225 };
1226 let Some(abs_path) = project.read(cx).absolute_path(
1227 &ProjectPath {
1228 path: file.path().clone(),
1229 worktree_id: file.worktree_id(cx),
1230 },
1231 cx,
1232 ) else {
1233 return false;
1234 };
1235 store
1236 .read(cx)
1237 .breakpoint_at_row(&abs_path, as_point.row, cx)
1238 .is_some()
1239 });
1240
1241 if !is_visible {
1242 editor.gutter_breakpoint_indicator.1.get_or_insert_with(|| {
1243 cx.spawn(async move |this, cx| {
1244 cx.background_executor()
1245 .timer(Duration::from_millis(200))
1246 .await;
1247
1248 this.update(cx, |this, cx| {
1249 if let Some(indicator) = this.gutter_breakpoint_indicator.0.as_mut()
1250 {
1251 indicator.is_active = true;
1252 cx.notify();
1253 }
1254 })
1255 .ok();
1256 })
1257 });
1258 }
1259
1260 Some(PhantomBreakpointIndicator {
1261 display_row: valid_point.row(),
1262 is_active: is_visible,
1263 collides_with_existing_breakpoint: has_existing_breakpoint,
1264 })
1265 } else {
1266 editor.gutter_breakpoint_indicator.1 = None;
1267 None
1268 }
1269 } else {
1270 editor.gutter_breakpoint_indicator.1 = None;
1271 None
1272 };
1273
1274 if &breakpoint_indicator != &editor.gutter_breakpoint_indicator.0 {
1275 editor.gutter_breakpoint_indicator.0 = breakpoint_indicator;
1276 cx.notify();
1277 }
1278
1279 // Don't trigger hover popover if mouse is hovering over context menu
1280 if text_hovered {
1281 editor.update_hovered_link(
1282 point_for_position,
1283 &position_map.snapshot,
1284 modifiers,
1285 window,
1286 cx,
1287 );
1288
1289 if let Some(point) = point_for_position.as_valid() {
1290 let anchor = position_map
1291 .snapshot
1292 .buffer_snapshot()
1293 .anchor_before(point.to_offset(&position_map.snapshot, Bias::Left));
1294 hover_at(editor, Some(anchor), window, cx);
1295 Self::update_visible_cursor(editor, point, position_map, window, cx);
1296 } else {
1297 hover_at(editor, None, window, cx);
1298 }
1299 } else {
1300 editor.hide_hovered_link(cx);
1301 hover_at(editor, None, window, cx);
1302 }
1303 }
1304
1305 fn update_visible_cursor(
1306 editor: &mut Editor,
1307 point: DisplayPoint,
1308 position_map: &PositionMap,
1309 window: &mut Window,
1310 cx: &mut Context<Editor>,
1311 ) {
1312 let snapshot = &position_map.snapshot;
1313 let Some(hub) = editor.collaboration_hub() else {
1314 return;
1315 };
1316 let start = snapshot.display_snapshot.clip_point(
1317 DisplayPoint::new(point.row(), point.column().saturating_sub(1)),
1318 Bias::Left,
1319 );
1320 let end = snapshot.display_snapshot.clip_point(
1321 DisplayPoint::new(
1322 point.row(),
1323 (point.column() + 1).min(snapshot.line_len(point.row())),
1324 ),
1325 Bias::Right,
1326 );
1327
1328 let range = snapshot
1329 .buffer_snapshot()
1330 .anchor_before(start.to_point(&snapshot.display_snapshot))
1331 ..snapshot
1332 .buffer_snapshot()
1333 .anchor_after(end.to_point(&snapshot.display_snapshot));
1334
1335 let Some(selection) = snapshot.remote_selections_in_range(&range, hub, cx).next() else {
1336 return;
1337 };
1338 let key = crate::HoveredCursor {
1339 replica_id: selection.replica_id,
1340 selection_id: selection.selection.id,
1341 };
1342 editor.hovered_cursors.insert(
1343 key.clone(),
1344 cx.spawn_in(window, async move |editor, cx| {
1345 cx.background_executor().timer(CURSORS_VISIBLE_FOR).await;
1346 editor
1347 .update(cx, |editor, cx| {
1348 editor.hovered_cursors.remove(&key);
1349 cx.notify();
1350 })
1351 .ok();
1352 }),
1353 );
1354 cx.notify()
1355 }
1356
1357 fn layout_selections(
1358 &self,
1359 start_anchor: Anchor,
1360 end_anchor: Anchor,
1361 local_selections: &[Selection<Point>],
1362 snapshot: &EditorSnapshot,
1363 start_row: DisplayRow,
1364 end_row: DisplayRow,
1365 window: &mut Window,
1366 cx: &mut App,
1367 ) -> (
1368 Vec<(PlayerColor, Vec<SelectionLayout>)>,
1369 BTreeMap<DisplayRow, LineHighlightSpec>,
1370 Option<DisplayPoint>,
1371 ) {
1372 let mut selections: Vec<(PlayerColor, Vec<SelectionLayout>)> = Vec::new();
1373 let mut active_rows = BTreeMap::new();
1374 let mut newest_selection_head = None;
1375
1376 let Some(editor_with_selections) = self.editor_with_selections(cx) else {
1377 return (selections, active_rows, newest_selection_head);
1378 };
1379
1380 editor_with_selections.update(cx, |editor, cx| {
1381 if editor.show_local_selections {
1382 let mut layouts = Vec::new();
1383 let newest = editor.selections.newest(&editor.display_snapshot(cx));
1384 for selection in local_selections.iter().cloned() {
1385 let is_empty = selection.start == selection.end;
1386 let is_newest = selection == newest;
1387
1388 let layout = SelectionLayout::new(
1389 selection,
1390 editor.selections.line_mode(),
1391 editor.cursor_shape,
1392 &snapshot.display_snapshot,
1393 is_newest,
1394 editor.leader_id.is_none(),
1395 None,
1396 );
1397 if is_newest {
1398 newest_selection_head = Some(layout.head);
1399 }
1400
1401 for row in cmp::max(layout.active_rows.start.0, start_row.0)
1402 ..=cmp::min(layout.active_rows.end.0, end_row.0)
1403 {
1404 let contains_non_empty_selection = active_rows
1405 .entry(DisplayRow(row))
1406 .or_insert_with(LineHighlightSpec::default);
1407 contains_non_empty_selection.selection |= !is_empty;
1408 }
1409 layouts.push(layout);
1410 }
1411
1412 let player = editor.current_user_player_color(cx);
1413 selections.push((player, layouts));
1414
1415 if let SelectionDragState::Dragging {
1416 ref selection,
1417 ref drop_cursor,
1418 ref hide_drop_cursor,
1419 } = editor.selection_drag_state
1420 && !hide_drop_cursor
1421 && (drop_cursor
1422 .start
1423 .cmp(&selection.start, &snapshot.buffer_snapshot())
1424 .eq(&Ordering::Less)
1425 || drop_cursor
1426 .end
1427 .cmp(&selection.end, &snapshot.buffer_snapshot())
1428 .eq(&Ordering::Greater))
1429 {
1430 let drag_cursor_layout = SelectionLayout::new(
1431 drop_cursor.clone(),
1432 false,
1433 CursorShape::Bar,
1434 &snapshot.display_snapshot,
1435 false,
1436 false,
1437 None,
1438 );
1439 let absent_color = cx.theme().players().absent();
1440 selections.push((absent_color, vec![drag_cursor_layout]));
1441 }
1442 }
1443
1444 if let Some(collaboration_hub) = &editor.collaboration_hub {
1445 // When following someone, render the local selections in their color.
1446 if let Some(leader_id) = editor.leader_id {
1447 match leader_id {
1448 CollaboratorId::PeerId(peer_id) => {
1449 if let Some(collaborator) =
1450 collaboration_hub.collaborators(cx).get(&peer_id)
1451 && let Some(participant_index) = collaboration_hub
1452 .user_participant_indices(cx)
1453 .get(&collaborator.user_id)
1454 && let Some((local_selection_style, _)) = selections.first_mut()
1455 {
1456 *local_selection_style = cx
1457 .theme()
1458 .players()
1459 .color_for_participant(participant_index.0);
1460 }
1461 }
1462 CollaboratorId::Agent => {
1463 if let Some((local_selection_style, _)) = selections.first_mut() {
1464 *local_selection_style = cx.theme().players().agent();
1465 }
1466 }
1467 }
1468 }
1469
1470 let mut remote_selections = HashMap::default();
1471 for selection in snapshot.remote_selections_in_range(
1472 &(start_anchor..end_anchor),
1473 collaboration_hub.as_ref(),
1474 cx,
1475 ) {
1476 // Don't re-render the leader's selections, since the local selections
1477 // match theirs.
1478 if Some(selection.collaborator_id) == editor.leader_id {
1479 continue;
1480 }
1481 let key = HoveredCursor {
1482 replica_id: selection.replica_id,
1483 selection_id: selection.selection.id,
1484 };
1485
1486 let is_shown =
1487 editor.show_cursor_names || editor.hovered_cursors.contains_key(&key);
1488
1489 remote_selections
1490 .entry(selection.replica_id)
1491 .or_insert((selection.color, Vec::new()))
1492 .1
1493 .push(SelectionLayout::new(
1494 selection.selection,
1495 selection.line_mode,
1496 selection.cursor_shape,
1497 &snapshot.display_snapshot,
1498 false,
1499 false,
1500 if is_shown { selection.user_name } else { None },
1501 ));
1502 }
1503
1504 selections.extend(remote_selections.into_values());
1505 } else if !editor.is_focused(window) && editor.show_cursor_when_unfocused {
1506 let layouts = snapshot
1507 .buffer_snapshot()
1508 .selections_in_range(&(start_anchor..end_anchor), true)
1509 .map(move |(_, line_mode, cursor_shape, selection)| {
1510 SelectionLayout::new(
1511 selection,
1512 line_mode,
1513 cursor_shape,
1514 &snapshot.display_snapshot,
1515 false,
1516 false,
1517 None,
1518 )
1519 })
1520 .collect::<Vec<_>>();
1521 let player = editor.current_user_player_color(cx);
1522 selections.push((player, layouts));
1523 }
1524 });
1525
1526 #[cfg(debug_assertions)]
1527 Self::layout_debug_ranges(
1528 &mut selections,
1529 start_anchor..end_anchor,
1530 &snapshot.display_snapshot,
1531 cx,
1532 );
1533
1534 (selections, active_rows, newest_selection_head)
1535 }
1536
1537 fn collect_cursors(
1538 &self,
1539 snapshot: &EditorSnapshot,
1540 cx: &mut App,
1541 ) -> Vec<(DisplayPoint, Hsla)> {
1542 let editor = self.editor.read(cx);
1543 let mut cursors = Vec::new();
1544 let mut skip_local = false;
1545 let mut add_cursor = |anchor: Anchor, color| {
1546 cursors.push((anchor.to_display_point(&snapshot.display_snapshot), color));
1547 };
1548 // Remote cursors
1549 if let Some(collaboration_hub) = &editor.collaboration_hub {
1550 for remote_selection in snapshot.remote_selections_in_range(
1551 &(Anchor::min()..Anchor::max()),
1552 collaboration_hub.deref(),
1553 cx,
1554 ) {
1555 add_cursor(
1556 remote_selection.selection.head(),
1557 remote_selection.color.cursor,
1558 );
1559 if Some(remote_selection.collaborator_id) == editor.leader_id {
1560 skip_local = true;
1561 }
1562 }
1563 }
1564 // Local cursors
1565 if !skip_local {
1566 let color = cx.theme().players().local().cursor;
1567 editor
1568 .selections
1569 .disjoint_anchors()
1570 .iter()
1571 .for_each(|selection| {
1572 add_cursor(selection.head(), color);
1573 });
1574 if let Some(ref selection) = editor.selections.pending_anchor() {
1575 add_cursor(selection.head(), color);
1576 }
1577 }
1578 cursors
1579 }
1580
1581 fn layout_visible_cursors(
1582 &self,
1583 snapshot: &EditorSnapshot,
1584 selections: &[(PlayerColor, Vec<SelectionLayout>)],
1585 row_block_types: &HashMap<DisplayRow, bool>,
1586 visible_display_row_range: Range<DisplayRow>,
1587 line_layouts: &[LineWithInvisibles],
1588 text_hitbox: &Hitbox,
1589 content_origin: gpui::Point<Pixels>,
1590 scroll_position: gpui::Point<ScrollOffset>,
1591 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
1592 line_height: Pixels,
1593 em_width: Pixels,
1594 em_advance: Pixels,
1595 autoscroll_containing_element: bool,
1596 window: &mut Window,
1597 cx: &mut App,
1598 ) -> Vec<CursorLayout> {
1599 let mut autoscroll_bounds = None;
1600 let cursor_layouts = self.editor.update(cx, |editor, cx| {
1601 let mut cursors = Vec::new();
1602
1603 let show_local_cursors = editor.show_local_cursors(window, cx);
1604
1605 for (player_color, selections) in selections {
1606 for selection in selections {
1607 let cursor_position = selection.head;
1608
1609 let in_range = visible_display_row_range.contains(&cursor_position.row());
1610 if (selection.is_local && !show_local_cursors)
1611 || !in_range
1612 || row_block_types.get(&cursor_position.row()) == Some(&true)
1613 {
1614 continue;
1615 }
1616
1617 let cursor_row_layout = &line_layouts
1618 [cursor_position.row().minus(visible_display_row_range.start) as usize];
1619 let cursor_column = cursor_position.column() as usize;
1620
1621 let cursor_character_x = cursor_row_layout.x_for_index(cursor_column);
1622 let mut block_width =
1623 cursor_row_layout.x_for_index(cursor_column + 1) - cursor_character_x;
1624 if block_width == Pixels::ZERO {
1625 block_width = em_advance;
1626 }
1627 let block_text = if let CursorShape::Block = selection.cursor_shape {
1628 snapshot
1629 .grapheme_at(cursor_position)
1630 .or_else(|| {
1631 if snapshot.is_empty() {
1632 snapshot.placeholder_text().and_then(|s| {
1633 s.graphemes(true).next().map(|s| s.to_string().into())
1634 })
1635 } else {
1636 None
1637 }
1638 })
1639 .map(|text| {
1640 let len = text.len();
1641
1642 let mut font = cursor_row_layout
1643 .font_id_for_index(cursor_column)
1644 .and_then(|cursor_font_id| {
1645 window.text_system().get_font_for_id(cursor_font_id)
1646 })
1647 .unwrap_or(self.style.text.font());
1648 font.features = self.style.text.font_features.clone();
1649
1650 // Invert the text color for the block cursor. Ensure that the text
1651 // color is opaque enough to be visible against the background color.
1652 //
1653 // 0.75 is an arbitrary threshold to determine if the background color is
1654 // opaque enough to use as a text color.
1655 //
1656 // TODO: In the future we should ensure themes have a `text_inverse` color.
1657 let color = if cx.theme().colors().editor_background.a < 0.75 {
1658 match cx.theme().appearance {
1659 Appearance::Dark => Hsla::black(),
1660 Appearance::Light => Hsla::white(),
1661 }
1662 } else {
1663 cx.theme().colors().editor_background
1664 };
1665
1666 window.text_system().shape_line(
1667 text,
1668 cursor_row_layout.font_size,
1669 &[TextRun {
1670 len,
1671 font,
1672 color,
1673 background_color: None,
1674 strikethrough: None,
1675 underline: None,
1676 }],
1677 None,
1678 )
1679 })
1680 } else {
1681 None
1682 };
1683
1684 let x = cursor_character_x - scroll_pixel_position.x.into();
1685 let y = ((cursor_position.row().as_f64() - scroll_position.y)
1686 * ScrollPixelOffset::from(line_height))
1687 .into();
1688 if selection.is_newest {
1689 editor.pixel_position_of_newest_cursor = Some(point(
1690 text_hitbox.origin.x + x + block_width / 2.,
1691 text_hitbox.origin.y + y + line_height / 2.,
1692 ));
1693
1694 if autoscroll_containing_element {
1695 let top = text_hitbox.origin.y
1696 + ((cursor_position.row().as_f64() - scroll_position.y - 3.)
1697 .max(0.)
1698 * ScrollPixelOffset::from(line_height))
1699 .into();
1700 let left = text_hitbox.origin.x
1701 + ((cursor_position.column() as ScrollOffset
1702 - scroll_position.x
1703 - 3.)
1704 .max(0.)
1705 * ScrollPixelOffset::from(em_width))
1706 .into();
1707
1708 let bottom = text_hitbox.origin.y
1709 + ((cursor_position.row().as_f64() - scroll_position.y + 4.)
1710 * ScrollPixelOffset::from(line_height))
1711 .into();
1712 let right = text_hitbox.origin.x
1713 + ((cursor_position.column() as ScrollOffset - scroll_position.x
1714 + 4.)
1715 * ScrollPixelOffset::from(em_width))
1716 .into();
1717
1718 autoscroll_bounds =
1719 Some(Bounds::from_corners(point(left, top), point(right, bottom)))
1720 }
1721 }
1722
1723 let mut cursor = CursorLayout {
1724 color: player_color.cursor,
1725 block_width,
1726 origin: point(x, y),
1727 line_height,
1728 shape: selection.cursor_shape,
1729 block_text,
1730 cursor_name: None,
1731 };
1732 let cursor_name = selection.user_name.clone().map(|name| CursorName {
1733 string: name,
1734 color: self.style.background,
1735 is_top_row: cursor_position.row().0 == 0,
1736 });
1737 cursor.layout(content_origin, cursor_name, window, cx);
1738 cursors.push(cursor);
1739 }
1740 }
1741
1742 cursors
1743 });
1744
1745 if let Some(bounds) = autoscroll_bounds {
1746 window.request_autoscroll(bounds);
1747 }
1748
1749 cursor_layouts
1750 }
1751
1752 fn layout_scrollbars(
1753 &self,
1754 snapshot: &EditorSnapshot,
1755 scrollbar_layout_information: &ScrollbarLayoutInformation,
1756 content_offset: gpui::Point<Pixels>,
1757 scroll_position: gpui::Point<ScrollOffset>,
1758 non_visible_cursors: bool,
1759 right_margin: Pixels,
1760 editor_width: Pixels,
1761 window: &mut Window,
1762 cx: &mut App,
1763 ) -> Option<EditorScrollbars> {
1764 let show_scrollbars = self.editor.read(cx).show_scrollbars;
1765 if (!show_scrollbars.horizontal && !show_scrollbars.vertical)
1766 || self.style.scrollbar_width.is_zero()
1767 {
1768 return None;
1769 }
1770
1771 // If a drag took place after we started dragging the scrollbar,
1772 // cancel the scrollbar drag.
1773 if cx.has_active_drag() {
1774 self.editor.update(cx, |editor, cx| {
1775 editor.scroll_manager.reset_scrollbar_state(cx)
1776 });
1777 }
1778
1779 let editor_settings = EditorSettings::get_global(cx);
1780 let scrollbar_settings = editor_settings.scrollbar;
1781 let show_scrollbars = match scrollbar_settings.show {
1782 ShowScrollbar::Auto => {
1783 let editor = self.editor.read(cx);
1784 let is_singleton = editor.buffer_kind(cx) == ItemBufferKind::Singleton;
1785 // Git
1786 (is_singleton && scrollbar_settings.git_diff && snapshot.buffer_snapshot().has_diff_hunks())
1787 ||
1788 // Buffer Search Results
1789 (is_singleton && scrollbar_settings.search_results && editor.has_background_highlights::<BufferSearchHighlights>())
1790 ||
1791 // Selected Text Occurrences
1792 (is_singleton && scrollbar_settings.selected_text && editor.has_background_highlights::<SelectedTextHighlight>())
1793 ||
1794 // Selected Symbol Occurrences
1795 (is_singleton && scrollbar_settings.selected_symbol && (editor.has_background_highlights::<DocumentHighlightRead>() || editor.has_background_highlights::<DocumentHighlightWrite>()))
1796 ||
1797 // Diagnostics
1798 (is_singleton && scrollbar_settings.diagnostics != ScrollbarDiagnostics::None && snapshot.buffer_snapshot().has_diagnostics())
1799 ||
1800 // Cursors out of sight
1801 non_visible_cursors
1802 ||
1803 // Scrollmanager
1804 editor.scroll_manager.scrollbars_visible()
1805 }
1806 ShowScrollbar::System => self.editor.read(cx).scroll_manager.scrollbars_visible(),
1807 ShowScrollbar::Always => true,
1808 ShowScrollbar::Never => return None,
1809 };
1810
1811 // The horizontal scrollbar is usually slightly offset to align nicely with
1812 // indent guides. However, this offset is not needed if indent guides are
1813 // disabled for the current editor.
1814 let content_offset = self
1815 .editor
1816 .read(cx)
1817 .show_indent_guides
1818 .is_none_or(|should_show| should_show)
1819 .then_some(content_offset)
1820 .unwrap_or_default();
1821
1822 Some(EditorScrollbars::from_scrollbar_axes(
1823 ScrollbarAxes {
1824 horizontal: scrollbar_settings.axes.horizontal
1825 && self.editor.read(cx).show_scrollbars.horizontal,
1826 vertical: scrollbar_settings.axes.vertical
1827 && self.editor.read(cx).show_scrollbars.vertical,
1828 },
1829 scrollbar_layout_information,
1830 content_offset,
1831 scroll_position,
1832 self.style.scrollbar_width,
1833 right_margin,
1834 editor_width,
1835 show_scrollbars,
1836 self.editor.read(cx).scroll_manager.active_scrollbar_state(),
1837 window,
1838 ))
1839 }
1840
1841 fn layout_minimap(
1842 &self,
1843 snapshot: &EditorSnapshot,
1844 minimap_width: Pixels,
1845 scroll_position: gpui::Point<f64>,
1846 scrollbar_layout_information: &ScrollbarLayoutInformation,
1847 scrollbar_layout: Option<&EditorScrollbars>,
1848 window: &mut Window,
1849 cx: &mut App,
1850 ) -> Option<MinimapLayout> {
1851 let minimap_editor = self.editor.read(cx).minimap().cloned()?;
1852
1853 let minimap_settings = EditorSettings::get_global(cx).minimap;
1854
1855 if minimap_settings.on_active_editor() {
1856 let active_editor = self.editor.read(cx).workspace().and_then(|ws| {
1857 ws.read(cx)
1858 .active_pane()
1859 .read(cx)
1860 .active_item()
1861 .and_then(|i| i.act_as::<Editor>(cx))
1862 });
1863 if active_editor.is_some_and(|e| e != self.editor) {
1864 return None;
1865 }
1866 }
1867
1868 if !snapshot.mode.is_full()
1869 || minimap_width.is_zero()
1870 || matches!(
1871 minimap_settings.show,
1872 ShowMinimap::Auto if scrollbar_layout.is_none_or(|layout| !layout.visible)
1873 )
1874 {
1875 return None;
1876 }
1877
1878 const MINIMAP_AXIS: ScrollbarAxis = ScrollbarAxis::Vertical;
1879
1880 let ScrollbarLayoutInformation {
1881 editor_bounds,
1882 scroll_range,
1883 glyph_grid_cell,
1884 } = scrollbar_layout_information;
1885
1886 let line_height = glyph_grid_cell.height;
1887 let scroll_position = scroll_position.along(MINIMAP_AXIS);
1888
1889 let top_right_anchor = scrollbar_layout
1890 .and_then(|layout| layout.vertical.as_ref())
1891 .map(|vertical_scrollbar| vertical_scrollbar.hitbox.origin)
1892 .unwrap_or_else(|| editor_bounds.top_right());
1893
1894 let thumb_state = self
1895 .editor
1896 .read_with(cx, |editor, _| editor.scroll_manager.minimap_thumb_state());
1897
1898 let show_thumb = match minimap_settings.thumb {
1899 MinimapThumb::Always => true,
1900 MinimapThumb::Hover => thumb_state.is_some(),
1901 };
1902
1903 let minimap_bounds = Bounds::from_corner_and_size(
1904 Corner::TopRight,
1905 top_right_anchor,
1906 size(minimap_width, editor_bounds.size.height),
1907 );
1908 let minimap_line_height = self.get_minimap_line_height(
1909 minimap_editor
1910 .read(cx)
1911 .text_style_refinement
1912 .as_ref()
1913 .and_then(|refinement| refinement.font_size)
1914 .unwrap_or(MINIMAP_FONT_SIZE),
1915 window,
1916 cx,
1917 );
1918 let minimap_height = minimap_bounds.size.height;
1919
1920 let visible_editor_lines = (editor_bounds.size.height / line_height) as f64;
1921 let total_editor_lines = (scroll_range.height / line_height) as f64;
1922 let minimap_lines = (minimap_height / minimap_line_height) as f64;
1923
1924 let minimap_scroll_top = MinimapLayout::calculate_minimap_top_offset(
1925 total_editor_lines,
1926 visible_editor_lines,
1927 minimap_lines,
1928 scroll_position,
1929 );
1930
1931 let layout = ScrollbarLayout::for_minimap(
1932 window.insert_hitbox(minimap_bounds, HitboxBehavior::Normal),
1933 visible_editor_lines,
1934 total_editor_lines,
1935 minimap_line_height,
1936 scroll_position,
1937 minimap_scroll_top,
1938 show_thumb,
1939 )
1940 .with_thumb_state(thumb_state);
1941
1942 minimap_editor.update(cx, |editor, cx| {
1943 editor.set_scroll_position(point(0., minimap_scroll_top), window, cx)
1944 });
1945
1946 // Required for the drop shadow to be visible
1947 const PADDING_OFFSET: Pixels = px(4.);
1948
1949 let mut minimap = div()
1950 .size_full()
1951 .shadow_xs()
1952 .px(PADDING_OFFSET)
1953 .child(minimap_editor)
1954 .into_any_element();
1955
1956 let extended_bounds = minimap_bounds.extend(Edges {
1957 right: PADDING_OFFSET,
1958 left: PADDING_OFFSET,
1959 ..Default::default()
1960 });
1961 minimap.layout_as_root(extended_bounds.size.into(), window, cx);
1962 window.with_absolute_element_offset(extended_bounds.origin, |window| {
1963 minimap.prepaint(window, cx)
1964 });
1965
1966 Some(MinimapLayout {
1967 minimap,
1968 thumb_layout: layout,
1969 thumb_border_style: minimap_settings.thumb_border,
1970 minimap_line_height,
1971 minimap_scroll_top,
1972 max_scroll_top: total_editor_lines,
1973 })
1974 }
1975
1976 fn get_minimap_line_height(
1977 &self,
1978 font_size: AbsoluteLength,
1979 window: &mut Window,
1980 cx: &mut App,
1981 ) -> Pixels {
1982 let rem_size = self.rem_size(cx).unwrap_or(window.rem_size());
1983 let mut text_style = self.style.text.clone();
1984 text_style.font_size = font_size;
1985 text_style.line_height_in_pixels(rem_size)
1986 }
1987
1988 fn get_minimap_width(
1989 &self,
1990 minimap_settings: &Minimap,
1991 scrollbars_shown: bool,
1992 text_width: Pixels,
1993 em_width: Pixels,
1994 font_size: Pixels,
1995 rem_size: Pixels,
1996 cx: &App,
1997 ) -> Option<Pixels> {
1998 if minimap_settings.show == ShowMinimap::Auto && !scrollbars_shown {
1999 return None;
2000 }
2001
2002 let minimap_font_size = self.editor.read_with(cx, |editor, cx| {
2003 editor.minimap().map(|minimap_editor| {
2004 minimap_editor
2005 .read(cx)
2006 .text_style_refinement
2007 .as_ref()
2008 .and_then(|refinement| refinement.font_size)
2009 .unwrap_or(MINIMAP_FONT_SIZE)
2010 })
2011 })?;
2012
2013 let minimap_em_width = em_width * (minimap_font_size.to_pixels(rem_size) / font_size);
2014
2015 let minimap_width = (text_width * MinimapLayout::MINIMAP_WIDTH_PCT)
2016 .min(minimap_em_width * minimap_settings.max_width_columns.get() as f32);
2017
2018 (minimap_width >= minimap_em_width * MinimapLayout::MINIMAP_MIN_WIDTH_COLUMNS)
2019 .then_some(minimap_width)
2020 }
2021
2022 fn prepaint_crease_toggles(
2023 &self,
2024 crease_toggles: &mut [Option<AnyElement>],
2025 line_height: Pixels,
2026 gutter_dimensions: &GutterDimensions,
2027 gutter_settings: crate::editor_settings::Gutter,
2028 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2029 gutter_hitbox: &Hitbox,
2030 window: &mut Window,
2031 cx: &mut App,
2032 ) {
2033 for (ix, crease_toggle) in crease_toggles.iter_mut().enumerate() {
2034 if let Some(crease_toggle) = crease_toggle {
2035 debug_assert!(gutter_settings.folds);
2036 let available_space = size(
2037 AvailableSpace::MinContent,
2038 AvailableSpace::Definite(line_height * 0.55),
2039 );
2040 let crease_toggle_size = crease_toggle.layout_as_root(available_space, window, cx);
2041
2042 let position = point(
2043 gutter_dimensions.width - gutter_dimensions.right_padding,
2044 ix as f32 * line_height
2045 - (scroll_pixel_position.y % ScrollPixelOffset::from(line_height)).into(),
2046 );
2047 let centering_offset = point(
2048 (gutter_dimensions.fold_area_width() - crease_toggle_size.width) / 2.,
2049 (line_height - crease_toggle_size.height) / 2.,
2050 );
2051 let origin = gutter_hitbox.origin + position + centering_offset;
2052 crease_toggle.prepaint_as_root(origin, available_space, window, cx);
2053 }
2054 }
2055 }
2056
2057 fn prepaint_expand_toggles(
2058 &self,
2059 expand_toggles: &mut [Option<(AnyElement, gpui::Point<Pixels>)>],
2060 window: &mut Window,
2061 cx: &mut App,
2062 ) {
2063 for (expand_toggle, origin) in expand_toggles.iter_mut().flatten() {
2064 let available_space = size(AvailableSpace::MinContent, AvailableSpace::MinContent);
2065 expand_toggle.layout_as_root(available_space, window, cx);
2066 expand_toggle.prepaint_as_root(*origin, available_space, window, cx);
2067 }
2068 }
2069
2070 fn prepaint_crease_trailers(
2071 &self,
2072 trailers: Vec<Option<AnyElement>>,
2073 lines: &[LineWithInvisibles],
2074 line_height: Pixels,
2075 content_origin: gpui::Point<Pixels>,
2076 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2077 em_width: Pixels,
2078 window: &mut Window,
2079 cx: &mut App,
2080 ) -> Vec<Option<CreaseTrailerLayout>> {
2081 trailers
2082 .into_iter()
2083 .enumerate()
2084 .map(|(ix, element)| {
2085 let mut element = element?;
2086 let available_space = size(
2087 AvailableSpace::MinContent,
2088 AvailableSpace::Definite(line_height),
2089 );
2090 let size = element.layout_as_root(available_space, window, cx);
2091
2092 let line = &lines[ix];
2093 let padding = if line.width == Pixels::ZERO {
2094 Pixels::ZERO
2095 } else {
2096 4. * em_width
2097 };
2098 let position = point(
2099 Pixels::from(scroll_pixel_position.x) + line.width + padding,
2100 ix as f32 * line_height
2101 - (scroll_pixel_position.y % ScrollPixelOffset::from(line_height)).into(),
2102 );
2103 let centering_offset = point(px(0.), (line_height - size.height) / 2.);
2104 let origin = content_origin + position + centering_offset;
2105 element.prepaint_as_root(origin, available_space, window, cx);
2106 Some(CreaseTrailerLayout {
2107 element,
2108 bounds: Bounds::new(origin, size),
2109 })
2110 })
2111 .collect()
2112 }
2113
2114 // Folds contained in a hunk are ignored apart from shrinking visual size
2115 // If a fold contains any hunks then that fold line is marked as modified
2116 fn layout_gutter_diff_hunks(
2117 &self,
2118 line_height: Pixels,
2119 gutter_hitbox: &Hitbox,
2120 display_rows: Range<DisplayRow>,
2121 snapshot: &EditorSnapshot,
2122 window: &mut Window,
2123 cx: &mut App,
2124 ) -> Vec<(DisplayDiffHunk, Option<Hitbox>)> {
2125 let folded_buffers = self.editor.read(cx).folded_buffers(cx);
2126 let mut display_hunks = snapshot
2127 .display_diff_hunks_for_rows(display_rows, folded_buffers)
2128 .map(|hunk| (hunk, None))
2129 .collect::<Vec<_>>();
2130 let git_gutter_setting = ProjectSettings::get_global(cx).git.git_gutter;
2131 if let GitGutterSetting::TrackedFiles = git_gutter_setting {
2132 for (hunk, hitbox) in &mut display_hunks {
2133 if matches!(hunk, DisplayDiffHunk::Unfolded { .. }) {
2134 let hunk_bounds =
2135 Self::diff_hunk_bounds(snapshot, line_height, gutter_hitbox.bounds, hunk);
2136 *hitbox = Some(window.insert_hitbox(hunk_bounds, HitboxBehavior::BlockMouse));
2137 }
2138 }
2139 }
2140
2141 display_hunks
2142 }
2143
2144 fn layout_inline_diagnostics(
2145 &self,
2146 line_layouts: &[LineWithInvisibles],
2147 crease_trailers: &[Option<CreaseTrailerLayout>],
2148 row_block_types: &HashMap<DisplayRow, bool>,
2149 content_origin: gpui::Point<Pixels>,
2150 scroll_position: gpui::Point<ScrollOffset>,
2151 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2152 edit_prediction_popover_origin: Option<gpui::Point<Pixels>>,
2153 start_row: DisplayRow,
2154 end_row: DisplayRow,
2155 line_height: Pixels,
2156 em_width: Pixels,
2157 style: &EditorStyle,
2158 window: &mut Window,
2159 cx: &mut App,
2160 ) -> HashMap<DisplayRow, AnyElement> {
2161 let max_severity = match self
2162 .editor
2163 .read(cx)
2164 .inline_diagnostics_enabled()
2165 .then(|| {
2166 ProjectSettings::get_global(cx)
2167 .diagnostics
2168 .inline
2169 .max_severity
2170 .unwrap_or_else(|| self.editor.read(cx).diagnostics_max_severity)
2171 .into_lsp()
2172 })
2173 .flatten()
2174 {
2175 Some(max_severity) => max_severity,
2176 None => return HashMap::default(),
2177 };
2178
2179 let active_diagnostics_group =
2180 if let ActiveDiagnostic::Group(group) = &self.editor.read(cx).active_diagnostics {
2181 Some(group.group_id)
2182 } else {
2183 None
2184 };
2185
2186 let diagnostics_by_rows = self.editor.update(cx, |editor, cx| {
2187 let snapshot = editor.snapshot(window, cx);
2188 editor
2189 .inline_diagnostics
2190 .iter()
2191 .filter(|(_, diagnostic)| diagnostic.severity <= max_severity)
2192 .filter(|(_, diagnostic)| match active_diagnostics_group {
2193 Some(active_diagnostics_group) => {
2194 // Active diagnostics are all shown in the editor already, no need to display them inline
2195 diagnostic.group_id != active_diagnostics_group
2196 }
2197 None => true,
2198 })
2199 .map(|(point, diag)| (point.to_display_point(&snapshot), diag.clone()))
2200 .skip_while(|(point, _)| point.row() < start_row)
2201 .take_while(|(point, _)| point.row() < end_row)
2202 .filter(|(point, _)| !row_block_types.contains_key(&point.row()))
2203 .fold(HashMap::default(), |mut acc, (point, diagnostic)| {
2204 acc.entry(point.row())
2205 .or_insert_with(Vec::new)
2206 .push(diagnostic);
2207 acc
2208 })
2209 });
2210
2211 if diagnostics_by_rows.is_empty() {
2212 return HashMap::default();
2213 }
2214
2215 let severity_to_color = |sev: &lsp::DiagnosticSeverity| match sev {
2216 &lsp::DiagnosticSeverity::ERROR => Color::Error,
2217 &lsp::DiagnosticSeverity::WARNING => Color::Warning,
2218 &lsp::DiagnosticSeverity::INFORMATION => Color::Info,
2219 &lsp::DiagnosticSeverity::HINT => Color::Hint,
2220 _ => Color::Error,
2221 };
2222
2223 let padding = ProjectSettings::get_global(cx).diagnostics.inline.padding as f32 * em_width;
2224 let min_x = self.column_pixels(
2225 ProjectSettings::get_global(cx)
2226 .diagnostics
2227 .inline
2228 .min_column as usize,
2229 window,
2230 );
2231
2232 let mut elements = HashMap::default();
2233 for (row, mut diagnostics) in diagnostics_by_rows {
2234 diagnostics.sort_by_key(|diagnostic| {
2235 (
2236 diagnostic.severity,
2237 std::cmp::Reverse(diagnostic.is_primary),
2238 diagnostic.start.row,
2239 diagnostic.start.column,
2240 )
2241 });
2242
2243 let Some(diagnostic_to_render) = diagnostics
2244 .iter()
2245 .find(|diagnostic| diagnostic.is_primary)
2246 .or_else(|| diagnostics.first())
2247 else {
2248 continue;
2249 };
2250
2251 let pos_y = content_origin.y + line_height * (row.0 as f64 - scroll_position.y) as f32;
2252
2253 let window_ix = row.0.saturating_sub(start_row.0) as usize;
2254 let pos_x = {
2255 let crease_trailer_layout = &crease_trailers[window_ix];
2256 let line_layout = &line_layouts[window_ix];
2257
2258 let line_end = if let Some(crease_trailer) = crease_trailer_layout {
2259 crease_trailer.bounds.right()
2260 } else {
2261 Pixels::from(
2262 ScrollPixelOffset::from(content_origin.x + line_layout.width)
2263 - scroll_pixel_position.x,
2264 )
2265 };
2266
2267 let padded_line = line_end + padding;
2268 let min_start = Pixels::from(
2269 ScrollPixelOffset::from(content_origin.x + min_x) - scroll_pixel_position.x,
2270 );
2271
2272 cmp::max(padded_line, min_start)
2273 };
2274
2275 let behind_edit_prediction_popover = edit_prediction_popover_origin
2276 .as_ref()
2277 .is_some_and(|edit_prediction_popover_origin| {
2278 (pos_y..pos_y + line_height).contains(&edit_prediction_popover_origin.y)
2279 });
2280 let opacity = if behind_edit_prediction_popover {
2281 0.5
2282 } else {
2283 1.0
2284 };
2285
2286 let mut element = h_flex()
2287 .id(("diagnostic", row.0))
2288 .h(line_height)
2289 .w_full()
2290 .px_1()
2291 .rounded_xs()
2292 .opacity(opacity)
2293 .bg(severity_to_color(&diagnostic_to_render.severity)
2294 .color(cx)
2295 .opacity(0.05))
2296 .text_color(severity_to_color(&diagnostic_to_render.severity).color(cx))
2297 .text_sm()
2298 .font_family(style.text.font().family)
2299 .child(diagnostic_to_render.message.clone())
2300 .into_any();
2301
2302 element.prepaint_as_root(point(pos_x, pos_y), AvailableSpace::min_size(), window, cx);
2303
2304 elements.insert(row, element);
2305 }
2306
2307 elements
2308 }
2309
2310 fn layout_inline_code_actions(
2311 &self,
2312 display_point: DisplayPoint,
2313 content_origin: gpui::Point<Pixels>,
2314 scroll_position: gpui::Point<ScrollOffset>,
2315 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2316 line_height: Pixels,
2317 snapshot: &EditorSnapshot,
2318 window: &mut Window,
2319 cx: &mut App,
2320 ) -> Option<AnyElement> {
2321 if !snapshot
2322 .show_code_actions
2323 .unwrap_or(EditorSettings::get_global(cx).inline_code_actions)
2324 {
2325 return None;
2326 }
2327
2328 let icon_size = ui::IconSize::XSmall;
2329 let mut button = self.editor.update(cx, |editor, cx| {
2330 editor.available_code_actions.as_ref()?;
2331 let active = editor
2332 .context_menu
2333 .borrow()
2334 .as_ref()
2335 .and_then(|menu| {
2336 if let crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2337 deployed_from,
2338 ..
2339 }) = menu
2340 {
2341 deployed_from.as_ref()
2342 } else {
2343 None
2344 }
2345 })
2346 .is_some_and(|source| matches!(source, CodeActionSource::Indicator(..)));
2347 Some(editor.render_inline_code_actions(icon_size, display_point.row(), active, cx))
2348 })?;
2349
2350 let buffer_point = display_point.to_point(&snapshot.display_snapshot);
2351
2352 // do not show code action for folded line
2353 if snapshot.is_line_folded(MultiBufferRow(buffer_point.row)) {
2354 return None;
2355 }
2356
2357 // do not show code action for blank line with cursor
2358 let line_indent = snapshot
2359 .display_snapshot
2360 .buffer_snapshot()
2361 .line_indent_for_row(MultiBufferRow(buffer_point.row));
2362 if line_indent.is_line_blank() {
2363 return None;
2364 }
2365
2366 const INLINE_SLOT_CHAR_LIMIT: u32 = 4;
2367 const MAX_ALTERNATE_DISTANCE: u32 = 8;
2368
2369 let excerpt_id = snapshot
2370 .display_snapshot
2371 .buffer_snapshot()
2372 .excerpt_containing(buffer_point..buffer_point)
2373 .map(|excerpt| excerpt.id());
2374
2375 let is_valid_row = |row_candidate: u32| -> bool {
2376 // move to other row if folded row
2377 if snapshot.is_line_folded(MultiBufferRow(row_candidate)) {
2378 return false;
2379 }
2380 if buffer_point.row == row_candidate {
2381 // move to other row if cursor is in slot
2382 if buffer_point.column < INLINE_SLOT_CHAR_LIMIT {
2383 return false;
2384 }
2385 } else {
2386 let candidate_point = MultiBufferPoint {
2387 row: row_candidate,
2388 column: 0,
2389 };
2390 let candidate_excerpt_id = snapshot
2391 .display_snapshot
2392 .buffer_snapshot()
2393 .excerpt_containing(candidate_point..candidate_point)
2394 .map(|excerpt| excerpt.id());
2395 // move to other row if different excerpt
2396 if excerpt_id != candidate_excerpt_id {
2397 return false;
2398 }
2399 }
2400 let line_indent = snapshot
2401 .display_snapshot
2402 .buffer_snapshot()
2403 .line_indent_for_row(MultiBufferRow(row_candidate));
2404 // use this row if it's blank
2405 if line_indent.is_line_blank() {
2406 true
2407 } else {
2408 // use this row if code starts after slot
2409 let indent_size = snapshot
2410 .display_snapshot
2411 .buffer_snapshot()
2412 .indent_size_for_line(MultiBufferRow(row_candidate));
2413 indent_size.len >= INLINE_SLOT_CHAR_LIMIT
2414 }
2415 };
2416
2417 let new_buffer_row = if is_valid_row(buffer_point.row) {
2418 Some(buffer_point.row)
2419 } else {
2420 let max_row = snapshot.display_snapshot.buffer_snapshot().max_point().row;
2421 (1..=MAX_ALTERNATE_DISTANCE).find_map(|offset| {
2422 let row_above = buffer_point.row.saturating_sub(offset);
2423 let row_below = buffer_point.row + offset;
2424 if row_above != buffer_point.row && is_valid_row(row_above) {
2425 Some(row_above)
2426 } else if row_below <= max_row && is_valid_row(row_below) {
2427 Some(row_below)
2428 } else {
2429 None
2430 }
2431 })
2432 }?;
2433
2434 let new_display_row = snapshot
2435 .display_snapshot
2436 .point_to_display_point(
2437 Point {
2438 row: new_buffer_row,
2439 column: buffer_point.column,
2440 },
2441 text::Bias::Left,
2442 )
2443 .row();
2444
2445 let start_y = content_origin.y
2446 + (((new_display_row.as_f64() - scroll_position.y) as f32) * line_height)
2447 + (line_height / 2.0)
2448 - (icon_size.square(window, cx) / 2.);
2449 let start_x = (ScrollPixelOffset::from(content_origin.x) - scroll_pixel_position.x
2450 + ScrollPixelOffset::from(window.rem_size() * 0.1))
2451 .into();
2452
2453 let absolute_offset = gpui::point(start_x, start_y);
2454 button.layout_as_root(gpui::AvailableSpace::min_size(), window, cx);
2455 button.prepaint_as_root(
2456 absolute_offset,
2457 gpui::AvailableSpace::min_size(),
2458 window,
2459 cx,
2460 );
2461 Some(button)
2462 }
2463
2464 fn layout_inline_blame(
2465 &self,
2466 display_row: DisplayRow,
2467 row_info: &RowInfo,
2468 line_layout: &LineWithInvisibles,
2469 crease_trailer: Option<&CreaseTrailerLayout>,
2470 em_width: Pixels,
2471 content_origin: gpui::Point<Pixels>,
2472 scroll_position: gpui::Point<ScrollOffset>,
2473 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2474 line_height: Pixels,
2475 text_hitbox: &Hitbox,
2476 window: &mut Window,
2477 cx: &mut App,
2478 ) -> Option<InlineBlameLayout> {
2479 if !self
2480 .editor
2481 .update(cx, |editor, cx| editor.render_git_blame_inline(window, cx))
2482 {
2483 return None;
2484 }
2485
2486 let editor = self.editor.read(cx);
2487 let blame = editor.blame.clone()?;
2488 let padding = {
2489 const INLINE_ACCEPT_SUGGESTION_EM_WIDTHS: f32 = 14.;
2490
2491 let mut padding = ProjectSettings::get_global(cx).git.inline_blame.padding as f32;
2492
2493 if let Some(edit_prediction) = editor.active_edit_prediction.as_ref()
2494 && let EditPrediction::Edit {
2495 display_mode: EditDisplayMode::TabAccept,
2496 ..
2497 } = &edit_prediction.completion
2498 {
2499 padding += INLINE_ACCEPT_SUGGESTION_EM_WIDTHS
2500 }
2501
2502 padding * em_width
2503 };
2504
2505 let (buffer_id, entry) = blame
2506 .update(cx, |blame, cx| {
2507 blame.blame_for_rows(&[*row_info], cx).next()
2508 })
2509 .flatten()?;
2510
2511 let mut element = render_inline_blame_entry(entry.clone(), &self.style, cx)?;
2512
2513 let start_y =
2514 content_origin.y + line_height * ((display_row.as_f64() - scroll_position.y) as f32);
2515
2516 let start_x = {
2517 let line_end = if let Some(crease_trailer) = crease_trailer {
2518 crease_trailer.bounds.right()
2519 } else {
2520 Pixels::from(
2521 ScrollPixelOffset::from(content_origin.x + line_layout.width)
2522 - scroll_pixel_position.x,
2523 )
2524 };
2525
2526 let padded_line_end = line_end + padding;
2527
2528 let min_column_in_pixels = self.column_pixels(
2529 ProjectSettings::get_global(cx).git.inline_blame.min_column as usize,
2530 window,
2531 );
2532 let min_start = Pixels::from(
2533 ScrollPixelOffset::from(content_origin.x + min_column_in_pixels)
2534 - scroll_pixel_position.x,
2535 );
2536
2537 cmp::max(padded_line_end, min_start)
2538 };
2539
2540 let absolute_offset = point(start_x, start_y);
2541 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2542 let bounds = Bounds::new(absolute_offset, size);
2543
2544 self.layout_blame_entry_popover(
2545 entry.clone(),
2546 blame,
2547 line_height,
2548 text_hitbox,
2549 row_info.buffer_id?,
2550 window,
2551 cx,
2552 );
2553
2554 element.prepaint_as_root(absolute_offset, AvailableSpace::min_size(), window, cx);
2555
2556 Some(InlineBlameLayout {
2557 element,
2558 bounds,
2559 buffer_id,
2560 entry,
2561 })
2562 }
2563
2564 fn layout_blame_entry_popover(
2565 &self,
2566 blame_entry: BlameEntry,
2567 blame: Entity<GitBlame>,
2568 line_height: Pixels,
2569 text_hitbox: &Hitbox,
2570 buffer: BufferId,
2571 window: &mut Window,
2572 cx: &mut App,
2573 ) {
2574 let Some((popover_state, target_point)) = self.editor.read_with(cx, |editor, _| {
2575 editor
2576 .inline_blame_popover
2577 .as_ref()
2578 .map(|state| (state.popover_state.clone(), state.position))
2579 }) else {
2580 return;
2581 };
2582
2583 let workspace = self
2584 .editor
2585 .read_with(cx, |editor, _| editor.workspace().map(|w| w.downgrade()));
2586
2587 let maybe_element = workspace.and_then(|workspace| {
2588 render_blame_entry_popover(
2589 blame_entry,
2590 popover_state.scroll_handle,
2591 popover_state.commit_message,
2592 popover_state.markdown,
2593 workspace,
2594 &blame,
2595 buffer,
2596 window,
2597 cx,
2598 )
2599 });
2600
2601 if let Some(mut element) = maybe_element {
2602 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2603 let overall_height = size.height + HOVER_POPOVER_GAP;
2604 let popover_origin = if target_point.y > overall_height {
2605 point(target_point.x, target_point.y - size.height)
2606 } else {
2607 point(
2608 target_point.x,
2609 target_point.y + line_height + HOVER_POPOVER_GAP,
2610 )
2611 };
2612
2613 let horizontal_offset = (text_hitbox.top_right().x
2614 - POPOVER_RIGHT_OFFSET
2615 - (popover_origin.x + size.width))
2616 .min(Pixels::ZERO);
2617
2618 let origin = point(popover_origin.x + horizontal_offset, popover_origin.y);
2619 let popover_bounds = Bounds::new(origin, size);
2620
2621 self.editor.update(cx, |editor, _| {
2622 if let Some(state) = &mut editor.inline_blame_popover {
2623 state.popover_bounds = Some(popover_bounds);
2624 }
2625 });
2626
2627 window.defer_draw(element, origin, 2);
2628 }
2629 }
2630
2631 fn layout_blame_entries(
2632 &self,
2633 buffer_rows: &[RowInfo],
2634 em_width: Pixels,
2635 scroll_position: gpui::Point<ScrollOffset>,
2636 line_height: Pixels,
2637 gutter_hitbox: &Hitbox,
2638 max_width: Option<Pixels>,
2639 window: &mut Window,
2640 cx: &mut App,
2641 ) -> Option<Vec<AnyElement>> {
2642 if !self
2643 .editor
2644 .update(cx, |editor, cx| editor.render_git_blame_gutter(cx))
2645 {
2646 return None;
2647 }
2648
2649 let blame = self.editor.read(cx).blame.clone()?;
2650 let workspace = self.editor.read(cx).workspace()?;
2651 let blamed_rows: Vec<_> = blame.update(cx, |blame, cx| {
2652 blame.blame_for_rows(buffer_rows, cx).collect()
2653 });
2654
2655 let width = if let Some(max_width) = max_width {
2656 AvailableSpace::Definite(max_width)
2657 } else {
2658 AvailableSpace::MaxContent
2659 };
2660 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
2661 let start_x = em_width;
2662
2663 let mut last_used_color: Option<(Hsla, Oid)> = None;
2664 let blame_renderer = cx.global::<GlobalBlameRenderer>().0.clone();
2665
2666 let shaped_lines = blamed_rows
2667 .into_iter()
2668 .enumerate()
2669 .flat_map(|(ix, blame_entry)| {
2670 let (buffer_id, blame_entry) = blame_entry?;
2671 let mut element = render_blame_entry(
2672 ix,
2673 &blame,
2674 blame_entry,
2675 &self.style,
2676 &mut last_used_color,
2677 self.editor.clone(),
2678 workspace.clone(),
2679 buffer_id,
2680 &*blame_renderer,
2681 window,
2682 cx,
2683 )?;
2684
2685 let start_y = ix as f32 * line_height
2686 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height));
2687 let absolute_offset = gutter_hitbox.origin + point(start_x, start_y);
2688
2689 element.prepaint_as_root(
2690 absolute_offset,
2691 size(width, AvailableSpace::MinContent),
2692 window,
2693 cx,
2694 );
2695
2696 Some(element)
2697 })
2698 .collect();
2699
2700 Some(shaped_lines)
2701 }
2702
2703 fn layout_indent_guides(
2704 &self,
2705 content_origin: gpui::Point<Pixels>,
2706 text_origin: gpui::Point<Pixels>,
2707 visible_buffer_range: Range<MultiBufferRow>,
2708 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2709 line_height: Pixels,
2710 snapshot: &DisplaySnapshot,
2711 window: &mut Window,
2712 cx: &mut App,
2713 ) -> Option<Vec<IndentGuideLayout>> {
2714 let indent_guides = self.editor.update(cx, |editor, cx| {
2715 editor.indent_guides(visible_buffer_range, snapshot, cx)
2716 })?;
2717
2718 let active_indent_guide_indices = self.editor.update(cx, |editor, cx| {
2719 editor
2720 .find_active_indent_guide_indices(&indent_guides, snapshot, window, cx)
2721 .unwrap_or_default()
2722 });
2723
2724 Some(
2725 indent_guides
2726 .into_iter()
2727 .enumerate()
2728 .filter_map(|(i, indent_guide)| {
2729 let single_indent_width =
2730 self.column_pixels(indent_guide.tab_size as usize, window);
2731 let total_width = single_indent_width * indent_guide.depth as f32;
2732 let start_x = Pixels::from(
2733 ScrollOffset::from(content_origin.x + total_width)
2734 - scroll_pixel_position.x,
2735 );
2736 if start_x >= text_origin.x {
2737 let (offset_y, length) = Self::calculate_indent_guide_bounds(
2738 indent_guide.start_row..indent_guide.end_row,
2739 line_height,
2740 snapshot,
2741 );
2742
2743 let start_y = Pixels::from(
2744 ScrollOffset::from(content_origin.y) + offset_y
2745 - scroll_pixel_position.y,
2746 );
2747
2748 Some(IndentGuideLayout {
2749 origin: point(start_x, start_y),
2750 length,
2751 single_indent_width,
2752 depth: indent_guide.depth,
2753 active: active_indent_guide_indices.contains(&i),
2754 settings: indent_guide.settings,
2755 })
2756 } else {
2757 None
2758 }
2759 })
2760 .collect(),
2761 )
2762 }
2763
2764 fn layout_wrap_guides(
2765 &self,
2766 em_advance: Pixels,
2767 scroll_position: gpui::Point<f64>,
2768 content_origin: gpui::Point<Pixels>,
2769 scrollbar_layout: Option<&EditorScrollbars>,
2770 vertical_scrollbar_width: Pixels,
2771 hitbox: &Hitbox,
2772 window: &Window,
2773 cx: &App,
2774 ) -> SmallVec<[(Pixels, bool); 2]> {
2775 let scroll_left = scroll_position.x as f32 * em_advance;
2776 let content_origin = content_origin.x;
2777 let horizontal_offset = content_origin - scroll_left;
2778 let vertical_scrollbar_width = scrollbar_layout
2779 .and_then(|layout| layout.visible.then_some(vertical_scrollbar_width))
2780 .unwrap_or_default();
2781
2782 self.editor
2783 .read(cx)
2784 .wrap_guides(cx)
2785 .into_iter()
2786 .flat_map(|(guide, active)| {
2787 let wrap_position = self.column_pixels(guide, window);
2788 let wrap_guide_x = wrap_position + horizontal_offset;
2789 let display_wrap_guide = wrap_guide_x >= content_origin
2790 && wrap_guide_x <= hitbox.bounds.right() - vertical_scrollbar_width;
2791
2792 display_wrap_guide.then_some((wrap_guide_x, active))
2793 })
2794 .collect()
2795 }
2796
2797 fn calculate_indent_guide_bounds(
2798 row_range: Range<MultiBufferRow>,
2799 line_height: Pixels,
2800 snapshot: &DisplaySnapshot,
2801 ) -> (f64, gpui::Pixels) {
2802 let start_point = Point::new(row_range.start.0, 0);
2803 let end_point = Point::new(row_range.end.0, 0);
2804
2805 let row_range = start_point.to_display_point(snapshot).row()
2806 ..end_point.to_display_point(snapshot).row();
2807
2808 let mut prev_line = start_point;
2809 prev_line.row = prev_line.row.saturating_sub(1);
2810 let prev_line = prev_line.to_display_point(snapshot).row();
2811
2812 let mut cons_line = end_point;
2813 cons_line.row += 1;
2814 let cons_line = cons_line.to_display_point(snapshot).row();
2815
2816 let mut offset_y = row_range.start.as_f64() * f64::from(line_height);
2817 let mut length = (cons_line.0.saturating_sub(row_range.start.0)) as f32 * line_height;
2818
2819 // If we are at the end of the buffer, ensure that the indent guide extends to the end of the line.
2820 if row_range.end == cons_line {
2821 length += line_height;
2822 }
2823
2824 // If there is a block (e.g. diagnostic) in between the start of the indent guide and the line above,
2825 // we want to extend the indent guide to the start of the block.
2826 let mut block_height = 0;
2827 let mut block_offset = 0;
2828 let mut found_excerpt_header = false;
2829 for (_, block) in snapshot.blocks_in_range(prev_line..row_range.start) {
2830 if matches!(
2831 block,
2832 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
2833 ) {
2834 found_excerpt_header = true;
2835 break;
2836 }
2837 block_offset += block.height();
2838 block_height += block.height();
2839 }
2840 if !found_excerpt_header {
2841 offset_y -= block_offset as f64 * f64::from(line_height);
2842 length += block_height as f32 * line_height;
2843 }
2844
2845 // If there is a block (e.g. diagnostic) at the end of an multibuffer excerpt,
2846 // we want to ensure that the indent guide stops before the excerpt header.
2847 let mut block_height = 0;
2848 let mut found_excerpt_header = false;
2849 for (_, block) in snapshot.blocks_in_range(row_range.end..cons_line) {
2850 if matches!(
2851 block,
2852 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
2853 ) {
2854 found_excerpt_header = true;
2855 }
2856 block_height += block.height();
2857 }
2858 if found_excerpt_header {
2859 length -= block_height as f32 * line_height;
2860 }
2861
2862 (offset_y, length)
2863 }
2864
2865 fn layout_breakpoints(
2866 &self,
2867 line_height: Pixels,
2868 range: Range<DisplayRow>,
2869 scroll_position: gpui::Point<ScrollOffset>,
2870 gutter_dimensions: &GutterDimensions,
2871 gutter_hitbox: &Hitbox,
2872 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2873 snapshot: &EditorSnapshot,
2874 breakpoints: HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2875 row_infos: &[RowInfo],
2876 window: &mut Window,
2877 cx: &mut App,
2878 ) -> Vec<AnyElement> {
2879 self.editor.update(cx, |editor, cx| {
2880 breakpoints
2881 .into_iter()
2882 .filter_map(|(display_row, (text_anchor, bp, state))| {
2883 if row_infos
2884 .get((display_row.0.saturating_sub(range.start.0)) as usize)
2885 .is_some_and(|row_info| {
2886 row_info.expand_info.is_some()
2887 || row_info
2888 .diff_status
2889 .is_some_and(|status| status.is_deleted())
2890 })
2891 {
2892 return None;
2893 }
2894
2895 if range.start > display_row || range.end < display_row {
2896 return None;
2897 }
2898
2899 let row =
2900 MultiBufferRow(DisplayPoint::new(display_row, 0).to_point(snapshot).row);
2901 if snapshot.is_line_folded(row) {
2902 return None;
2903 }
2904
2905 let button = editor.render_breakpoint(text_anchor, display_row, &bp, state, cx);
2906
2907 let button = prepaint_gutter_button(
2908 button,
2909 display_row,
2910 line_height,
2911 gutter_dimensions,
2912 scroll_position,
2913 gutter_hitbox,
2914 display_hunks,
2915 window,
2916 cx,
2917 );
2918 Some(button)
2919 })
2920 .collect_vec()
2921 })
2922 }
2923
2924 #[allow(clippy::too_many_arguments)]
2925 fn layout_run_indicators(
2926 &self,
2927 line_height: Pixels,
2928 range: Range<DisplayRow>,
2929 row_infos: &[RowInfo],
2930 scroll_position: gpui::Point<ScrollOffset>,
2931 gutter_dimensions: &GutterDimensions,
2932 gutter_hitbox: &Hitbox,
2933 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2934 snapshot: &EditorSnapshot,
2935 breakpoints: &mut HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2936 window: &mut Window,
2937 cx: &mut App,
2938 ) -> Vec<AnyElement> {
2939 self.editor.update(cx, |editor, cx| {
2940 let active_task_indicator_row =
2941 // TODO: add edit button on the right side of each row in the context menu
2942 if let Some(crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2943 deployed_from,
2944 actions,
2945 ..
2946 })) = editor.context_menu.borrow().as_ref()
2947 {
2948 actions
2949 .tasks()
2950 .map(|tasks| tasks.position.to_display_point(snapshot).row())
2951 .or_else(|| match deployed_from {
2952 Some(CodeActionSource::Indicator(row)) => Some(*row),
2953 _ => None,
2954 })
2955 } else {
2956 None
2957 };
2958
2959 let offset_range_start =
2960 snapshot.display_point_to_point(DisplayPoint::new(range.start, 0), Bias::Left);
2961
2962 let offset_range_end =
2963 snapshot.display_point_to_point(DisplayPoint::new(range.end, 0), Bias::Right);
2964
2965 editor
2966 .tasks
2967 .iter()
2968 .filter_map(|(_, tasks)| {
2969 let multibuffer_point = tasks.offset.to_point(&snapshot.buffer_snapshot());
2970 if multibuffer_point < offset_range_start
2971 || multibuffer_point > offset_range_end
2972 {
2973 return None;
2974 }
2975 let multibuffer_row = MultiBufferRow(multibuffer_point.row);
2976 let buffer_folded = snapshot
2977 .buffer_snapshot()
2978 .buffer_line_for_row(multibuffer_row)
2979 .map(|(buffer_snapshot, _)| buffer_snapshot.remote_id())
2980 .map(|buffer_id| editor.is_buffer_folded(buffer_id, cx))
2981 .unwrap_or(false);
2982 if buffer_folded {
2983 return None;
2984 }
2985
2986 if snapshot.is_line_folded(multibuffer_row) {
2987 // Skip folded indicators, unless it's the starting line of a fold.
2988 if multibuffer_row
2989 .0
2990 .checked_sub(1)
2991 .is_some_and(|previous_row| {
2992 snapshot.is_line_folded(MultiBufferRow(previous_row))
2993 })
2994 {
2995 return None;
2996 }
2997 }
2998
2999 let display_row = multibuffer_point.to_display_point(snapshot).row();
3000 if !range.contains(&display_row) {
3001 return None;
3002 }
3003 if row_infos
3004 .get((display_row - range.start).0 as usize)
3005 .is_some_and(|row_info| row_info.expand_info.is_some())
3006 {
3007 return None;
3008 }
3009
3010 let button = editor.render_run_indicator(
3011 &self.style,
3012 Some(display_row) == active_task_indicator_row,
3013 display_row,
3014 breakpoints.remove(&display_row),
3015 cx,
3016 );
3017
3018 let button = prepaint_gutter_button(
3019 button,
3020 display_row,
3021 line_height,
3022 gutter_dimensions,
3023 scroll_position,
3024 gutter_hitbox,
3025 display_hunks,
3026 window,
3027 cx,
3028 );
3029 Some(button)
3030 })
3031 .collect_vec()
3032 })
3033 }
3034
3035 fn layout_expand_toggles(
3036 &self,
3037 gutter_hitbox: &Hitbox,
3038 gutter_dimensions: GutterDimensions,
3039 em_width: Pixels,
3040 line_height: Pixels,
3041 scroll_position: gpui::Point<ScrollOffset>,
3042 buffer_rows: &[RowInfo],
3043 window: &mut Window,
3044 cx: &mut App,
3045 ) -> Vec<Option<(AnyElement, gpui::Point<Pixels>)>> {
3046 if self.editor.read(cx).disable_expand_excerpt_buttons {
3047 return vec![];
3048 }
3049
3050 let editor_font_size = self.style.text.font_size.to_pixels(window.rem_size()) * 1.2;
3051
3052 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
3053
3054 let max_line_number_length = self
3055 .editor
3056 .read(cx)
3057 .buffer()
3058 .read(cx)
3059 .snapshot(cx)
3060 .widest_line_number()
3061 .ilog10()
3062 + 1;
3063
3064 let git_gutter_width = Self::gutter_strip_width(line_height)
3065 + gutter_dimensions
3066 .git_blame_entries_width
3067 .unwrap_or_default();
3068 let available_width = gutter_dimensions.left_padding - git_gutter_width;
3069
3070 buffer_rows
3071 .iter()
3072 .enumerate()
3073 .map(|(ix, row_info)| {
3074 let ExpandInfo {
3075 excerpt_id,
3076 direction,
3077 } = row_info.expand_info?;
3078
3079 let icon_name = match direction {
3080 ExpandExcerptDirection::Up => IconName::ExpandUp,
3081 ExpandExcerptDirection::Down => IconName::ExpandDown,
3082 ExpandExcerptDirection::UpAndDown => IconName::ExpandVertical,
3083 };
3084
3085 let editor = self.editor.clone();
3086 let is_wide = max_line_number_length
3087 >= EditorSettings::get_global(cx).gutter.min_line_number_digits as u32
3088 && row_info
3089 .buffer_row
3090 .is_some_and(|row| (row + 1).ilog10() + 1 == max_line_number_length)
3091 || gutter_dimensions.right_padding == px(0.);
3092
3093 let width = if is_wide {
3094 available_width - px(2.)
3095 } else {
3096 available_width + em_width - px(2.)
3097 };
3098
3099 let toggle = IconButton::new(("expand", ix), icon_name)
3100 .icon_color(Color::Custom(cx.theme().colors().editor_line_number))
3101 .selected_icon_color(Color::Custom(cx.theme().colors().editor_foreground))
3102 .icon_size(IconSize::Custom(rems(editor_font_size / window.rem_size())))
3103 .width(width)
3104 .on_click(move |_, window, cx| {
3105 editor.update(cx, |editor, cx| {
3106 editor.expand_excerpt(excerpt_id, direction, window, cx);
3107 });
3108 })
3109 .tooltip(Tooltip::for_action_title(
3110 "Expand Excerpt",
3111 &crate::actions::ExpandExcerpts::default(),
3112 ))
3113 .into_any_element();
3114
3115 let position = point(
3116 git_gutter_width + px(1.),
3117 ix as f32 * line_height
3118 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height))
3119 + px(1.),
3120 );
3121 let origin = gutter_hitbox.origin + position;
3122
3123 Some((toggle, origin))
3124 })
3125 .collect()
3126 }
3127
3128 fn calculate_relative_line_numbers(
3129 &self,
3130 snapshot: &EditorSnapshot,
3131 rows: &Range<DisplayRow>,
3132 relative_to: Option<DisplayRow>,
3133 ) -> HashMap<DisplayRow, DisplayRowDelta> {
3134 let mut relative_rows: HashMap<DisplayRow, DisplayRowDelta> = Default::default();
3135 let Some(relative_to) = relative_to else {
3136 return relative_rows;
3137 };
3138
3139 let start = rows.start.min(relative_to);
3140 let end = rows.end.max(relative_to);
3141
3142 let buffer_rows = snapshot
3143 .row_infos(start)
3144 .take(1 + end.minus(start) as usize)
3145 .collect::<Vec<_>>();
3146
3147 let head_idx = relative_to.minus(start);
3148 let mut delta = 1;
3149 let mut i = head_idx + 1;
3150 while i < buffer_rows.len() as u32 {
3151 if buffer_rows[i as usize].buffer_row.is_some() {
3152 if rows.contains(&DisplayRow(i + start.0)) {
3153 relative_rows.insert(DisplayRow(i + start.0), delta);
3154 }
3155 delta += 1;
3156 }
3157 i += 1;
3158 }
3159 delta = 1;
3160 i = head_idx.min(buffer_rows.len() as u32 - 1);
3161 while i > 0 && buffer_rows[i as usize].buffer_row.is_none() {
3162 i -= 1;
3163 }
3164
3165 while i > 0 {
3166 i -= 1;
3167 if buffer_rows[i as usize].buffer_row.is_some() {
3168 if rows.contains(&DisplayRow(i + start.0)) {
3169 relative_rows.insert(DisplayRow(i + start.0), delta);
3170 }
3171 delta += 1;
3172 }
3173 }
3174
3175 relative_rows
3176 }
3177
3178 fn layout_line_numbers(
3179 &self,
3180 gutter_hitbox: Option<&Hitbox>,
3181 gutter_dimensions: GutterDimensions,
3182 line_height: Pixels,
3183 scroll_position: gpui::Point<ScrollOffset>,
3184 rows: Range<DisplayRow>,
3185 buffer_rows: &[RowInfo],
3186 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3187 newest_selection_head: Option<DisplayPoint>,
3188 snapshot: &EditorSnapshot,
3189 window: &mut Window,
3190 cx: &mut App,
3191 ) -> Arc<HashMap<MultiBufferRow, LineNumberLayout>> {
3192 let include_line_numbers = snapshot
3193 .show_line_numbers
3194 .unwrap_or_else(|| EditorSettings::get_global(cx).gutter.line_numbers);
3195 if !include_line_numbers {
3196 return Arc::default();
3197 }
3198
3199 let (newest_selection_head, is_relative) = self.editor.update(cx, |editor, cx| {
3200 let newest_selection_head = newest_selection_head.unwrap_or_else(|| {
3201 let newest = editor
3202 .selections
3203 .newest::<Point>(&editor.display_snapshot(cx));
3204 SelectionLayout::new(
3205 newest,
3206 editor.selections.line_mode(),
3207 editor.cursor_shape,
3208 &snapshot.display_snapshot,
3209 true,
3210 true,
3211 None,
3212 )
3213 .head
3214 });
3215 let is_relative = editor.should_use_relative_line_numbers(cx);
3216 (newest_selection_head, is_relative)
3217 });
3218
3219 let relative_to = if is_relative {
3220 Some(newest_selection_head.row())
3221 } else {
3222 None
3223 };
3224 let relative_rows = self.calculate_relative_line_numbers(snapshot, &rows, relative_to);
3225 let mut line_number = String::new();
3226 let line_numbers = buffer_rows
3227 .iter()
3228 .enumerate()
3229 .flat_map(|(ix, row_info)| {
3230 let display_row = DisplayRow(rows.start.0 + ix as u32);
3231 line_number.clear();
3232 let non_relative_number = row_info.buffer_row? + 1;
3233 let number = relative_rows
3234 .get(&display_row)
3235 .unwrap_or(&non_relative_number);
3236 write!(&mut line_number, "{number}").unwrap();
3237 if row_info
3238 .diff_status
3239 .is_some_and(|status| status.is_deleted())
3240 {
3241 return None;
3242 }
3243
3244 let color = active_rows
3245 .get(&display_row)
3246 .map(|spec| {
3247 if spec.breakpoint {
3248 cx.theme().colors().debugger_accent
3249 } else {
3250 cx.theme().colors().editor_active_line_number
3251 }
3252 })
3253 .unwrap_or_else(|| cx.theme().colors().editor_line_number);
3254 let shaped_line =
3255 self.shape_line_number(SharedString::from(&line_number), color, window);
3256 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
3257 let line_origin = gutter_hitbox.map(|hitbox| {
3258 hitbox.origin
3259 + point(
3260 hitbox.size.width - shaped_line.width - gutter_dimensions.right_padding,
3261 ix as f32 * line_height
3262 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height)),
3263 )
3264 });
3265
3266 #[cfg(not(test))]
3267 let hitbox = line_origin.map(|line_origin| {
3268 window.insert_hitbox(
3269 Bounds::new(line_origin, size(shaped_line.width, line_height)),
3270 HitboxBehavior::Normal,
3271 )
3272 });
3273 #[cfg(test)]
3274 let hitbox = {
3275 let _ = line_origin;
3276 None
3277 };
3278
3279 let multi_buffer_row = DisplayPoint::new(display_row, 0).to_point(snapshot).row;
3280 let multi_buffer_row = MultiBufferRow(multi_buffer_row);
3281 let line_number = LineNumberLayout {
3282 shaped_line,
3283 hitbox,
3284 };
3285 Some((multi_buffer_row, line_number))
3286 })
3287 .collect();
3288 Arc::new(line_numbers)
3289 }
3290
3291 fn layout_crease_toggles(
3292 &self,
3293 rows: Range<DisplayRow>,
3294 row_infos: &[RowInfo],
3295 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3296 snapshot: &EditorSnapshot,
3297 window: &mut Window,
3298 cx: &mut App,
3299 ) -> Vec<Option<AnyElement>> {
3300 let include_fold_statuses = EditorSettings::get_global(cx).gutter.folds
3301 && snapshot.mode.is_full()
3302 && self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
3303 if include_fold_statuses {
3304 row_infos
3305 .iter()
3306 .enumerate()
3307 .map(|(ix, info)| {
3308 if info.expand_info.is_some() {
3309 return None;
3310 }
3311 let row = info.multibuffer_row?;
3312 let display_row = DisplayRow(rows.start.0 + ix as u32);
3313 let active = active_rows.contains_key(&display_row);
3314
3315 snapshot.render_crease_toggle(row, active, self.editor.clone(), window, cx)
3316 })
3317 .collect()
3318 } else {
3319 Vec::new()
3320 }
3321 }
3322
3323 fn layout_crease_trailers(
3324 &self,
3325 buffer_rows: impl IntoIterator<Item = RowInfo>,
3326 snapshot: &EditorSnapshot,
3327 window: &mut Window,
3328 cx: &mut App,
3329 ) -> Vec<Option<AnyElement>> {
3330 buffer_rows
3331 .into_iter()
3332 .map(|row_info| {
3333 if row_info.expand_info.is_some() {
3334 return None;
3335 }
3336 if let Some(row) = row_info.multibuffer_row {
3337 snapshot.render_crease_trailer(row, window, cx)
3338 } else {
3339 None
3340 }
3341 })
3342 .collect()
3343 }
3344
3345 fn bg_segments_per_row(
3346 rows: Range<DisplayRow>,
3347 selections: &[(PlayerColor, Vec<SelectionLayout>)],
3348 highlight_ranges: &[(Range<DisplayPoint>, Hsla)],
3349 base_background: Hsla,
3350 ) -> Vec<Vec<(Range<DisplayPoint>, Hsla)>> {
3351 if rows.start >= rows.end {
3352 return Vec::new();
3353 }
3354 if !base_background.is_opaque() {
3355 // We don't actually know what color is behind this editor.
3356 return Vec::new();
3357 }
3358 let highlight_iter = highlight_ranges.iter().cloned();
3359 let selection_iter = selections.iter().flat_map(|(player_color, layouts)| {
3360 let color = player_color.selection;
3361 layouts.iter().filter_map(move |selection_layout| {
3362 if selection_layout.range.start != selection_layout.range.end {
3363 Some((selection_layout.range.clone(), color))
3364 } else {
3365 None
3366 }
3367 })
3368 });
3369 let mut per_row_map = vec![Vec::new(); rows.len()];
3370 for (range, color) in highlight_iter.chain(selection_iter) {
3371 let covered_rows = if range.end.column() == 0 {
3372 cmp::max(range.start.row(), rows.start)..cmp::min(range.end.row(), rows.end)
3373 } else {
3374 cmp::max(range.start.row(), rows.start)
3375 ..cmp::min(range.end.row().next_row(), rows.end)
3376 };
3377 for row in covered_rows.iter_rows() {
3378 let seg_start = if row == range.start.row() {
3379 range.start
3380 } else {
3381 DisplayPoint::new(row, 0)
3382 };
3383 let seg_end = if row == range.end.row() && range.end.column() != 0 {
3384 range.end
3385 } else {
3386 DisplayPoint::new(row, u32::MAX)
3387 };
3388 let ix = row.minus(rows.start) as usize;
3389 debug_assert!(row >= rows.start && row < rows.end);
3390 debug_assert!(ix < per_row_map.len());
3391 per_row_map[ix].push((seg_start..seg_end, color));
3392 }
3393 }
3394 for row_segments in per_row_map.iter_mut() {
3395 if row_segments.is_empty() {
3396 continue;
3397 }
3398 let segments = mem::take(row_segments);
3399 let merged = Self::merge_overlapping_ranges(segments, base_background);
3400 *row_segments = merged;
3401 }
3402 per_row_map
3403 }
3404
3405 /// Merge overlapping ranges by splitting at all range boundaries and blending colors where
3406 /// multiple ranges overlap. The result contains non-overlapping ranges ordered from left to right.
3407 ///
3408 /// Expects `start.row() == end.row()` for each range.
3409 fn merge_overlapping_ranges(
3410 ranges: Vec<(Range<DisplayPoint>, Hsla)>,
3411 base_background: Hsla,
3412 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
3413 struct Boundary {
3414 pos: DisplayPoint,
3415 is_start: bool,
3416 index: usize,
3417 color: Hsla,
3418 }
3419
3420 let mut boundaries: SmallVec<[Boundary; 16]> = SmallVec::with_capacity(ranges.len() * 2);
3421 for (index, (range, color)) in ranges.iter().enumerate() {
3422 debug_assert!(
3423 range.start.row() == range.end.row(),
3424 "expects single-row ranges"
3425 );
3426 if range.start < range.end {
3427 boundaries.push(Boundary {
3428 pos: range.start,
3429 is_start: true,
3430 index,
3431 color: *color,
3432 });
3433 boundaries.push(Boundary {
3434 pos: range.end,
3435 is_start: false,
3436 index,
3437 color: *color,
3438 });
3439 }
3440 }
3441
3442 if boundaries.is_empty() {
3443 return Vec::new();
3444 }
3445
3446 boundaries
3447 .sort_unstable_by(|a, b| a.pos.cmp(&b.pos).then_with(|| a.is_start.cmp(&b.is_start)));
3448
3449 let mut processed_ranges: Vec<(Range<DisplayPoint>, Hsla)> = Vec::new();
3450 let mut active_ranges: SmallVec<[(usize, Hsla); 8]> = SmallVec::new();
3451
3452 let mut i = 0;
3453 let mut start_pos = boundaries[0].pos;
3454
3455 let boundaries_len = boundaries.len();
3456 while i < boundaries_len {
3457 let current_boundary_pos = boundaries[i].pos;
3458 if start_pos < current_boundary_pos {
3459 if !active_ranges.is_empty() {
3460 let mut color = base_background;
3461 for &(_, c) in &active_ranges {
3462 color = Hsla::blend(color, c);
3463 }
3464 if let Some((last_range, last_color)) = processed_ranges.last_mut() {
3465 if *last_color == color && last_range.end == start_pos {
3466 last_range.end = current_boundary_pos;
3467 } else {
3468 processed_ranges.push((start_pos..current_boundary_pos, color));
3469 }
3470 } else {
3471 processed_ranges.push((start_pos..current_boundary_pos, color));
3472 }
3473 }
3474 }
3475 while i < boundaries_len && boundaries[i].pos == current_boundary_pos {
3476 let active_range = &boundaries[i];
3477 if active_range.is_start {
3478 let idx = active_range.index;
3479 let pos = active_ranges
3480 .binary_search_by_key(&idx, |(i, _)| *i)
3481 .unwrap_or_else(|p| p);
3482 active_ranges.insert(pos, (idx, active_range.color));
3483 } else {
3484 let idx = active_range.index;
3485 if let Ok(pos) = active_ranges.binary_search_by_key(&idx, |(i, _)| *i) {
3486 active_ranges.remove(pos);
3487 }
3488 }
3489 i += 1;
3490 }
3491 start_pos = current_boundary_pos;
3492 }
3493
3494 processed_ranges
3495 }
3496
3497 fn layout_lines(
3498 rows: Range<DisplayRow>,
3499 snapshot: &EditorSnapshot,
3500 style: &EditorStyle,
3501 editor_width: Pixels,
3502 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3503 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
3504 window: &mut Window,
3505 cx: &mut App,
3506 ) -> Vec<LineWithInvisibles> {
3507 if rows.start >= rows.end {
3508 return Vec::new();
3509 }
3510
3511 // Show the placeholder when the editor is empty
3512 if snapshot.is_empty() {
3513 let font_size = style.text.font_size.to_pixels(window.rem_size());
3514 let placeholder_color = cx.theme().colors().text_placeholder;
3515 let placeholder_text = snapshot.placeholder_text();
3516
3517 let placeholder_lines = placeholder_text
3518 .as_ref()
3519 .map_or(Vec::new(), |text| text.split('\n').collect::<Vec<_>>());
3520
3521 let placeholder_line_count = placeholder_lines.len();
3522
3523 placeholder_lines
3524 .into_iter()
3525 .skip(rows.start.0 as usize)
3526 .chain(iter::repeat(""))
3527 .take(cmp::max(rows.len(), placeholder_line_count))
3528 .map(move |line| {
3529 let run = TextRun {
3530 len: line.len(),
3531 font: style.text.font(),
3532 color: placeholder_color,
3533 background_color: None,
3534 underline: None,
3535 strikethrough: None,
3536 };
3537 let line = window.text_system().shape_line(
3538 line.to_string().into(),
3539 font_size,
3540 &[run],
3541 None,
3542 );
3543 LineWithInvisibles {
3544 width: line.width,
3545 len: line.len,
3546 fragments: smallvec![LineFragment::Text(line)],
3547 invisibles: Vec::new(),
3548 font_size,
3549 }
3550 })
3551 .collect()
3552 } else {
3553 let chunks = snapshot.highlighted_chunks(rows.clone(), true, style);
3554 LineWithInvisibles::from_chunks(
3555 chunks,
3556 style,
3557 MAX_LINE_LEN,
3558 rows.len(),
3559 &snapshot.mode,
3560 editor_width,
3561 is_row_soft_wrapped,
3562 bg_segments_per_row,
3563 window,
3564 cx,
3565 )
3566 }
3567 }
3568
3569 fn prepaint_lines(
3570 &self,
3571 start_row: DisplayRow,
3572 line_layouts: &mut [LineWithInvisibles],
3573 line_height: Pixels,
3574 scroll_position: gpui::Point<ScrollOffset>,
3575 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
3576 content_origin: gpui::Point<Pixels>,
3577 window: &mut Window,
3578 cx: &mut App,
3579 ) -> SmallVec<[AnyElement; 1]> {
3580 let mut line_elements = SmallVec::new();
3581 for (ix, line) in line_layouts.iter_mut().enumerate() {
3582 let row = start_row + DisplayRow(ix as u32);
3583 line.prepaint(
3584 line_height,
3585 scroll_position,
3586 scroll_pixel_position,
3587 row,
3588 content_origin,
3589 &mut line_elements,
3590 window,
3591 cx,
3592 );
3593 }
3594 line_elements
3595 }
3596
3597 fn render_block(
3598 &self,
3599 block: &Block,
3600 available_width: AvailableSpace,
3601 block_id: BlockId,
3602 block_row_start: DisplayRow,
3603 snapshot: &EditorSnapshot,
3604 text_x: Pixels,
3605 rows: &Range<DisplayRow>,
3606 line_layouts: &[LineWithInvisibles],
3607 editor_margins: &EditorMargins,
3608 line_height: Pixels,
3609 em_width: Pixels,
3610 text_hitbox: &Hitbox,
3611 editor_width: Pixels,
3612 scroll_width: &mut Pixels,
3613 resized_blocks: &mut HashMap<CustomBlockId, u32>,
3614 row_block_types: &mut HashMap<DisplayRow, bool>,
3615 selections: &[Selection<Point>],
3616 selected_buffer_ids: &Vec<BufferId>,
3617 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3618 sticky_header_excerpt_id: Option<ExcerptId>,
3619 window: &mut Window,
3620 cx: &mut App,
3621 ) -> Option<(AnyElement, Size<Pixels>, DisplayRow, Pixels)> {
3622 let mut x_position = None;
3623 let mut element = match block {
3624 Block::Custom(custom) => {
3625 let block_start = custom.start().to_point(&snapshot.buffer_snapshot());
3626 let block_end = custom.end().to_point(&snapshot.buffer_snapshot());
3627 if block.place_near() && snapshot.is_line_folded(MultiBufferRow(block_start.row)) {
3628 return None;
3629 }
3630 let align_to = block_start.to_display_point(snapshot);
3631 let x_and_width = |layout: &LineWithInvisibles| {
3632 Some((
3633 text_x + layout.x_for_index(align_to.column() as usize),
3634 text_x + layout.width,
3635 ))
3636 };
3637 let line_ix = align_to.row().0.checked_sub(rows.start.0);
3638 x_position =
3639 if let Some(layout) = line_ix.and_then(|ix| line_layouts.get(ix as usize)) {
3640 x_and_width(layout)
3641 } else {
3642 x_and_width(&layout_line(
3643 align_to.row(),
3644 snapshot,
3645 &self.style,
3646 editor_width,
3647 is_row_soft_wrapped,
3648 window,
3649 cx,
3650 ))
3651 };
3652
3653 let anchor_x = x_position.unwrap().0;
3654
3655 let selected = selections
3656 .binary_search_by(|selection| {
3657 if selection.end <= block_start {
3658 Ordering::Less
3659 } else if selection.start >= block_end {
3660 Ordering::Greater
3661 } else {
3662 Ordering::Equal
3663 }
3664 })
3665 .is_ok();
3666
3667 div()
3668 .size_full()
3669 .child(custom.render(&mut BlockContext {
3670 window,
3671 app: cx,
3672 anchor_x,
3673 margins: editor_margins,
3674 line_height,
3675 em_width,
3676 block_id,
3677 selected,
3678 max_width: text_hitbox.size.width.max(*scroll_width),
3679 editor_style: &self.style,
3680 }))
3681 .into_any()
3682 }
3683
3684 Block::FoldedBuffer {
3685 first_excerpt,
3686 height,
3687 ..
3688 } => {
3689 let selected = selected_buffer_ids.contains(&first_excerpt.buffer_id);
3690 let result = v_flex().id(block_id).w_full().pr(editor_margins.right);
3691
3692 let jump_data = header_jump_data(snapshot, block_row_start, *height, first_excerpt);
3693 result
3694 .child(self.render_buffer_header(
3695 first_excerpt,
3696 true,
3697 selected,
3698 false,
3699 jump_data,
3700 window,
3701 cx,
3702 ))
3703 .into_any_element()
3704 }
3705
3706 Block::ExcerptBoundary { .. } => {
3707 let color = cx.theme().colors().clone();
3708 let mut result = v_flex().id(block_id).w_full();
3709
3710 result = result.child(
3711 h_flex().relative().child(
3712 div()
3713 .top(line_height / 2.)
3714 .absolute()
3715 .w_full()
3716 .h_px()
3717 .bg(color.border_variant),
3718 ),
3719 );
3720
3721 result.into_any()
3722 }
3723
3724 Block::BufferHeader { excerpt, height } => {
3725 let mut result = v_flex().id(block_id).w_full();
3726
3727 let jump_data = header_jump_data(snapshot, block_row_start, *height, excerpt);
3728
3729 if sticky_header_excerpt_id != Some(excerpt.id) {
3730 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
3731
3732 result = result.child(div().pr(editor_margins.right).child(
3733 self.render_buffer_header(
3734 excerpt, false, selected, false, jump_data, window, cx,
3735 ),
3736 ));
3737 } else {
3738 result =
3739 result.child(div().h(FILE_HEADER_HEIGHT as f32 * window.line_height()));
3740 }
3741
3742 result.into_any()
3743 }
3744 };
3745
3746 // Discover the element's content height, then round up to the nearest multiple of line height.
3747 let preliminary_size = element.layout_as_root(
3748 size(available_width, AvailableSpace::MinContent),
3749 window,
3750 cx,
3751 );
3752 let quantized_height = (preliminary_size.height / line_height).ceil() * line_height;
3753 let final_size = if preliminary_size.height == quantized_height {
3754 preliminary_size
3755 } else {
3756 element.layout_as_root(size(available_width, quantized_height.into()), window, cx)
3757 };
3758 let mut element_height_in_lines = ((final_size.height / line_height).ceil() as u32).max(1);
3759
3760 let mut row = block_row_start;
3761 let mut x_offset = px(0.);
3762 let mut is_block = true;
3763
3764 if let BlockId::Custom(custom_block_id) = block_id
3765 && block.has_height()
3766 {
3767 if block.place_near()
3768 && let Some((x_target, line_width)) = x_position
3769 {
3770 let margin = em_width * 2;
3771 if line_width + final_size.width + margin
3772 < editor_width + editor_margins.gutter.full_width()
3773 && !row_block_types.contains_key(&(row - 1))
3774 && element_height_in_lines == 1
3775 {
3776 x_offset = line_width + margin;
3777 row = row - 1;
3778 is_block = false;
3779 element_height_in_lines = 0;
3780 row_block_types.insert(row, is_block);
3781 } else {
3782 let max_offset =
3783 editor_width + editor_margins.gutter.full_width() - final_size.width;
3784 let min_offset = (x_target + em_width - final_size.width)
3785 .max(editor_margins.gutter.full_width());
3786 x_offset = x_target.min(max_offset).max(min_offset);
3787 }
3788 };
3789 if element_height_in_lines != block.height() {
3790 resized_blocks.insert(custom_block_id, element_height_in_lines);
3791 }
3792 }
3793 for i in 0..element_height_in_lines {
3794 row_block_types.insert(row + i, is_block);
3795 }
3796
3797 Some((element, final_size, row, x_offset))
3798 }
3799
3800 fn render_buffer_header(
3801 &self,
3802 for_excerpt: &ExcerptInfo,
3803 is_folded: bool,
3804 is_selected: bool,
3805 is_sticky: bool,
3806 jump_data: JumpData,
3807 window: &mut Window,
3808 cx: &mut App,
3809 ) -> impl IntoElement {
3810 let editor = self.editor.read(cx);
3811 let multi_buffer = editor.buffer.read(cx);
3812 let file_status = multi_buffer
3813 .all_diff_hunks_expanded()
3814 .then(|| {
3815 editor
3816 .project
3817 .as_ref()?
3818 .read(cx)
3819 .status_for_buffer_id(for_excerpt.buffer_id, cx)
3820 })
3821 .flatten();
3822 let indicator = multi_buffer
3823 .buffer(for_excerpt.buffer_id)
3824 .and_then(|buffer| {
3825 let buffer = buffer.read(cx);
3826 let indicator_color = match (buffer.has_conflict(), buffer.is_dirty()) {
3827 (true, _) => Some(Color::Warning),
3828 (_, true) => Some(Color::Accent),
3829 (false, false) => None,
3830 };
3831 indicator_color.map(|indicator_color| Indicator::dot().color(indicator_color))
3832 });
3833
3834 let include_root = editor
3835 .project
3836 .as_ref()
3837 .map(|project| project.read(cx).visible_worktrees(cx).count() > 1)
3838 .unwrap_or_default();
3839 let file = for_excerpt.buffer.file();
3840 let can_open_excerpts = Editor::can_open_excerpts_in_file(file);
3841 let path_style = file.map(|file| file.path_style(cx));
3842 let relative_path = for_excerpt.buffer.resolve_file_path(include_root, cx);
3843 let (parent_path, filename) = if let Some(path) = &relative_path {
3844 if let Some(path_style) = path_style {
3845 let (dir, file_name) = path_style.split(path);
3846 (dir.map(|dir| dir.to_owned()), Some(file_name.to_owned()))
3847 } else {
3848 (None, Some(path.clone()))
3849 }
3850 } else {
3851 (None, None)
3852 };
3853 let focus_handle = editor.focus_handle(cx);
3854 let colors = cx.theme().colors();
3855
3856 let header = div()
3857 .p_1()
3858 .w_full()
3859 .h(FILE_HEADER_HEIGHT as f32 * window.line_height())
3860 .child(
3861 h_flex()
3862 .size_full()
3863 .gap_2()
3864 .flex_basis(Length::Definite(DefiniteLength::Fraction(0.667)))
3865 .pl_0p5()
3866 .pr_5()
3867 .rounded_sm()
3868 .when(is_sticky, |el| el.shadow_md())
3869 .border_1()
3870 .map(|div| {
3871 let border_color = if is_selected
3872 && is_folded
3873 && focus_handle.contains_focused(window, cx)
3874 {
3875 colors.border_focused
3876 } else {
3877 colors.border
3878 };
3879 div.border_color(border_color)
3880 })
3881 .bg(colors.editor_subheader_background)
3882 .hover(|style| style.bg(colors.element_hover))
3883 .map(|header| {
3884 let editor = self.editor.clone();
3885 let buffer_id = for_excerpt.buffer_id;
3886 let toggle_chevron_icon =
3887 FileIcons::get_chevron_icon(!is_folded, cx).map(Icon::from_path);
3888 header.child(
3889 div()
3890 .hover(|style| style.bg(colors.element_selected))
3891 .rounded_xs()
3892 .child(
3893 ButtonLike::new("toggle-buffer-fold")
3894 .style(ui::ButtonStyle::Transparent)
3895 .height(px(28.).into())
3896 .width(px(28.))
3897 .children(toggle_chevron_icon)
3898 .tooltip({
3899 let focus_handle = focus_handle.clone();
3900 move |window, cx| {
3901 Tooltip::with_meta_in(
3902 "Toggle Excerpt Fold",
3903 Some(&ToggleFold),
3904 format!(
3905 "{} to toggle all",
3906 text_for_keystroke(
3907 &Modifiers::alt(),
3908 "click",
3909 cx
3910 )
3911 ),
3912 &focus_handle,
3913 window,
3914 cx,
3915 )
3916 }
3917 })
3918 .on_click(move |event, window, cx| {
3919 if event.modifiers().alt {
3920 // Alt+click toggles all buffers
3921 editor.update(cx, |editor, cx| {
3922 editor.toggle_fold_all(
3923 &ToggleFoldAll,
3924 window,
3925 cx,
3926 );
3927 });
3928 } else {
3929 // Regular click toggles single buffer
3930 if is_folded {
3931 editor.update(cx, |editor, cx| {
3932 editor.unfold_buffer(buffer_id, cx);
3933 });
3934 } else {
3935 editor.update(cx, |editor, cx| {
3936 editor.fold_buffer(buffer_id, cx);
3937 });
3938 }
3939 }
3940 }),
3941 ),
3942 )
3943 })
3944 .children(
3945 editor
3946 .addons
3947 .values()
3948 .filter_map(|addon| {
3949 addon.render_buffer_header_controls(for_excerpt, window, cx)
3950 })
3951 .take(1),
3952 )
3953 .child(h_flex().size(px(12.0)).justify_center().children(indicator))
3954 .child(
3955 h_flex()
3956 .cursor_pointer()
3957 .id("path header block")
3958 .size_full()
3959 .justify_between()
3960 .overflow_hidden()
3961 .child(
3962 h_flex()
3963 .gap_2()
3964 .map(|path_header| {
3965 let filename = filename
3966 .map(SharedString::from)
3967 .unwrap_or_else(|| "untitled".into());
3968
3969 path_header
3970 .when(ItemSettings::get_global(cx).file_icons, |el| {
3971 let path = path::Path::new(filename.as_str());
3972 let icon = FileIcons::get_icon(path, cx)
3973 .unwrap_or_default();
3974 let icon =
3975 Icon::from_path(icon).color(Color::Muted);
3976 el.child(icon)
3977 })
3978 .child(Label::new(filename).single_line().when_some(
3979 file_status,
3980 |el, status| {
3981 el.color(if status.is_conflicted() {
3982 Color::Conflict
3983 } else if status.is_modified() {
3984 Color::Modified
3985 } else if status.is_deleted() {
3986 Color::Disabled
3987 } else {
3988 Color::Created
3989 })
3990 .when(status.is_deleted(), |el| {
3991 el.strikethrough()
3992 })
3993 },
3994 ))
3995 })
3996 .when_some(parent_path, |then, path| {
3997 then.child(div().child(path).text_color(
3998 if file_status.is_some_and(FileStatus::is_deleted) {
3999 colors.text_disabled
4000 } else {
4001 colors.text_muted
4002 },
4003 ))
4004 }),
4005 )
4006 .when(
4007 can_open_excerpts && is_selected && relative_path.is_some(),
4008 |el| {
4009 el.child(
4010 h_flex()
4011 .id("jump-to-file-button")
4012 .gap_2p5()
4013 .child(Label::new("Jump To File"))
4014 .children(
4015 KeyBinding::for_action_in(
4016 &OpenExcerpts,
4017 &focus_handle,
4018 window,
4019 cx,
4020 )
4021 .map(|binding| binding.into_any_element()),
4022 ),
4023 )
4024 },
4025 )
4026 .on_mouse_down(MouseButton::Left, |_, _, cx| cx.stop_propagation())
4027 .on_click(window.listener_for(&self.editor, {
4028 move |editor, e: &ClickEvent, window, cx| {
4029 editor.open_excerpts_common(
4030 Some(jump_data.clone()),
4031 e.modifiers().secondary(),
4032 window,
4033 cx,
4034 );
4035 }
4036 })),
4037 ),
4038 );
4039
4040 let file = for_excerpt.buffer.file().cloned();
4041 let editor = self.editor.clone();
4042 right_click_menu("buffer-header-context-menu")
4043 .trigger(move |_, _, _| header)
4044 .menu(move |window, cx| {
4045 let menu_context = focus_handle.clone();
4046 let editor = editor.clone();
4047 let file = file.clone();
4048 ContextMenu::build(window, cx, move |mut menu, window, cx| {
4049 if let Some(file) = file
4050 && let Some(project) = editor.read(cx).project()
4051 && let Some(worktree) =
4052 project.read(cx).worktree_for_id(file.worktree_id(cx), cx)
4053 {
4054 let path_style = file.path_style(cx);
4055 let worktree = worktree.read(cx);
4056 let relative_path = file.path();
4057 let entry_for_path = worktree.entry_for_path(relative_path);
4058 let abs_path = entry_for_path.map(|e| {
4059 e.canonical_path.as_deref().map_or_else(
4060 || worktree.absolutize(relative_path),
4061 Path::to_path_buf,
4062 )
4063 });
4064 let has_relative_path = worktree.root_entry().is_some_and(Entry::is_dir);
4065
4066 let parent_abs_path = abs_path
4067 .as_ref()
4068 .and_then(|abs_path| Some(abs_path.parent()?.to_path_buf()));
4069 let relative_path = has_relative_path
4070 .then_some(relative_path)
4071 .map(ToOwned::to_owned);
4072
4073 let visible_in_project_panel =
4074 relative_path.is_some() && worktree.is_visible();
4075 let reveal_in_project_panel = entry_for_path
4076 .filter(|_| visible_in_project_panel)
4077 .map(|entry| entry.id);
4078 menu = menu
4079 .when_some(abs_path, |menu, abs_path| {
4080 menu.entry(
4081 "Copy Path",
4082 Some(Box::new(zed_actions::workspace::CopyPath)),
4083 window.handler_for(&editor, move |_, _, cx| {
4084 cx.write_to_clipboard(ClipboardItem::new_string(
4085 abs_path.to_string_lossy().into_owned(),
4086 ));
4087 }),
4088 )
4089 })
4090 .when_some(relative_path, |menu, relative_path| {
4091 menu.entry(
4092 "Copy Relative Path",
4093 Some(Box::new(zed_actions::workspace::CopyRelativePath)),
4094 window.handler_for(&editor, move |_, _, cx| {
4095 cx.write_to_clipboard(ClipboardItem::new_string(
4096 relative_path.display(path_style).to_string(),
4097 ));
4098 }),
4099 )
4100 })
4101 .when(
4102 reveal_in_project_panel.is_some() || parent_abs_path.is_some(),
4103 |menu| menu.separator(),
4104 )
4105 .when_some(reveal_in_project_panel, |menu, entry_id| {
4106 menu.entry(
4107 "Reveal In Project Panel",
4108 Some(Box::new(RevealInProjectPanel::default())),
4109 window.handler_for(&editor, move |editor, _, cx| {
4110 if let Some(project) = &mut editor.project {
4111 project.update(cx, |_, cx| {
4112 cx.emit(project::Event::RevealInProjectPanel(
4113 entry_id,
4114 ))
4115 });
4116 }
4117 }),
4118 )
4119 })
4120 .when_some(parent_abs_path, |menu, parent_abs_path| {
4121 menu.entry(
4122 "Open in Terminal",
4123 Some(Box::new(OpenInTerminal)),
4124 window.handler_for(&editor, move |_, window, cx| {
4125 window.dispatch_action(
4126 OpenTerminal {
4127 working_directory: parent_abs_path.clone(),
4128 }
4129 .boxed_clone(),
4130 cx,
4131 );
4132 }),
4133 )
4134 });
4135 }
4136
4137 menu.context(menu_context)
4138 })
4139 })
4140 }
4141
4142 fn render_blocks(
4143 &self,
4144 rows: Range<DisplayRow>,
4145 snapshot: &EditorSnapshot,
4146 hitbox: &Hitbox,
4147 text_hitbox: &Hitbox,
4148 editor_width: Pixels,
4149 scroll_width: &mut Pixels,
4150 editor_margins: &EditorMargins,
4151 em_width: Pixels,
4152 text_x: Pixels,
4153 line_height: Pixels,
4154 line_layouts: &mut [LineWithInvisibles],
4155 selections: &[Selection<Point>],
4156 selected_buffer_ids: &Vec<BufferId>,
4157 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
4158 sticky_header_excerpt_id: Option<ExcerptId>,
4159 window: &mut Window,
4160 cx: &mut App,
4161 ) -> Result<(Vec<BlockLayout>, HashMap<DisplayRow, bool>), HashMap<CustomBlockId, u32>> {
4162 let (fixed_blocks, non_fixed_blocks) = snapshot
4163 .blocks_in_range(rows.clone())
4164 .partition::<Vec<_>, _>(|(_, block)| block.style() == BlockStyle::Fixed);
4165
4166 let mut focused_block = self
4167 .editor
4168 .update(cx, |editor, _| editor.take_focused_block());
4169 let mut fixed_block_max_width = Pixels::ZERO;
4170 let mut blocks = Vec::new();
4171 let mut resized_blocks = HashMap::default();
4172 let mut row_block_types = HashMap::default();
4173
4174 for (row, block) in fixed_blocks {
4175 let block_id = block.id();
4176
4177 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4178 focused_block = None;
4179 }
4180
4181 if let Some((element, element_size, row, x_offset)) = self.render_block(
4182 block,
4183 AvailableSpace::MinContent,
4184 block_id,
4185 row,
4186 snapshot,
4187 text_x,
4188 &rows,
4189 line_layouts,
4190 editor_margins,
4191 line_height,
4192 em_width,
4193 text_hitbox,
4194 editor_width,
4195 scroll_width,
4196 &mut resized_blocks,
4197 &mut row_block_types,
4198 selections,
4199 selected_buffer_ids,
4200 is_row_soft_wrapped,
4201 sticky_header_excerpt_id,
4202 window,
4203 cx,
4204 ) {
4205 fixed_block_max_width = fixed_block_max_width.max(element_size.width + em_width);
4206 blocks.push(BlockLayout {
4207 id: block_id,
4208 x_offset,
4209 row: Some(row),
4210 element,
4211 available_space: size(AvailableSpace::MinContent, element_size.height.into()),
4212 style: BlockStyle::Fixed,
4213 overlaps_gutter: true,
4214 is_buffer_header: block.is_buffer_header(),
4215 });
4216 }
4217 }
4218
4219 for (row, block) in non_fixed_blocks {
4220 let style = block.style();
4221 let width = match (style, block.place_near()) {
4222 (_, true) => AvailableSpace::MinContent,
4223 (BlockStyle::Sticky, _) => hitbox.size.width.into(),
4224 (BlockStyle::Flex, _) => hitbox
4225 .size
4226 .width
4227 .max(fixed_block_max_width)
4228 .max(editor_margins.gutter.width + *scroll_width)
4229 .into(),
4230 (BlockStyle::Fixed, _) => unreachable!(),
4231 };
4232 let block_id = block.id();
4233
4234 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4235 focused_block = None;
4236 }
4237
4238 if let Some((element, element_size, row, x_offset)) = self.render_block(
4239 block,
4240 width,
4241 block_id,
4242 row,
4243 snapshot,
4244 text_x,
4245 &rows,
4246 line_layouts,
4247 editor_margins,
4248 line_height,
4249 em_width,
4250 text_hitbox,
4251 editor_width,
4252 scroll_width,
4253 &mut resized_blocks,
4254 &mut row_block_types,
4255 selections,
4256 selected_buffer_ids,
4257 is_row_soft_wrapped,
4258 sticky_header_excerpt_id,
4259 window,
4260 cx,
4261 ) {
4262 blocks.push(BlockLayout {
4263 id: block_id,
4264 x_offset,
4265 row: Some(row),
4266 element,
4267 available_space: size(width, element_size.height.into()),
4268 style,
4269 overlaps_gutter: !block.place_near(),
4270 is_buffer_header: block.is_buffer_header(),
4271 });
4272 }
4273 }
4274
4275 if let Some(focused_block) = focused_block
4276 && let Some(focus_handle) = focused_block.focus_handle.upgrade()
4277 && focus_handle.is_focused(window)
4278 && let Some(block) = snapshot.block_for_id(focused_block.id)
4279 {
4280 let style = block.style();
4281 let width = match style {
4282 BlockStyle::Fixed => AvailableSpace::MinContent,
4283 BlockStyle::Flex => AvailableSpace::Definite(
4284 hitbox
4285 .size
4286 .width
4287 .max(fixed_block_max_width)
4288 .max(editor_margins.gutter.width + *scroll_width),
4289 ),
4290 BlockStyle::Sticky => AvailableSpace::Definite(hitbox.size.width),
4291 };
4292
4293 if let Some((element, element_size, _, x_offset)) = self.render_block(
4294 &block,
4295 width,
4296 focused_block.id,
4297 rows.end,
4298 snapshot,
4299 text_x,
4300 &rows,
4301 line_layouts,
4302 editor_margins,
4303 line_height,
4304 em_width,
4305 text_hitbox,
4306 editor_width,
4307 scroll_width,
4308 &mut resized_blocks,
4309 &mut row_block_types,
4310 selections,
4311 selected_buffer_ids,
4312 is_row_soft_wrapped,
4313 sticky_header_excerpt_id,
4314 window,
4315 cx,
4316 ) {
4317 blocks.push(BlockLayout {
4318 id: block.id(),
4319 x_offset,
4320 row: None,
4321 element,
4322 available_space: size(width, element_size.height.into()),
4323 style,
4324 overlaps_gutter: true,
4325 is_buffer_header: block.is_buffer_header(),
4326 });
4327 }
4328 }
4329
4330 if resized_blocks.is_empty() {
4331 *scroll_width =
4332 (*scroll_width).max(fixed_block_max_width - editor_margins.gutter.width);
4333 Ok((blocks, row_block_types))
4334 } else {
4335 Err(resized_blocks)
4336 }
4337 }
4338
4339 fn layout_blocks(
4340 &self,
4341 blocks: &mut Vec<BlockLayout>,
4342 hitbox: &Hitbox,
4343 line_height: Pixels,
4344 scroll_position: gpui::Point<ScrollOffset>,
4345 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4346 window: &mut Window,
4347 cx: &mut App,
4348 ) {
4349 for block in blocks {
4350 let mut origin = if let Some(row) = block.row {
4351 hitbox.origin
4352 + point(
4353 block.x_offset,
4354 Pixels::from(
4355 (row.as_f64() - scroll_position.y)
4356 * ScrollPixelOffset::from(line_height),
4357 ),
4358 )
4359 } else {
4360 // Position the block outside the visible area
4361 hitbox.origin + point(Pixels::ZERO, hitbox.size.height)
4362 };
4363
4364 if !matches!(block.style, BlockStyle::Sticky) {
4365 origin += point(Pixels::from(-scroll_pixel_position.x), Pixels::ZERO);
4366 }
4367
4368 let focus_handle =
4369 block
4370 .element
4371 .prepaint_as_root(origin, block.available_space, window, cx);
4372
4373 if let Some(focus_handle) = focus_handle {
4374 self.editor.update(cx, |editor, _cx| {
4375 editor.set_focused_block(FocusedBlock {
4376 id: block.id,
4377 focus_handle: focus_handle.downgrade(),
4378 });
4379 });
4380 }
4381 }
4382 }
4383
4384 fn layout_sticky_buffer_header(
4385 &self,
4386 StickyHeaderExcerpt { excerpt }: StickyHeaderExcerpt<'_>,
4387 scroll_position: gpui::Point<ScrollOffset>,
4388 line_height: Pixels,
4389 right_margin: Pixels,
4390 snapshot: &EditorSnapshot,
4391 hitbox: &Hitbox,
4392 selected_buffer_ids: &Vec<BufferId>,
4393 blocks: &[BlockLayout],
4394 window: &mut Window,
4395 cx: &mut App,
4396 ) -> AnyElement {
4397 let jump_data = header_jump_data(
4398 snapshot,
4399 DisplayRow(scroll_position.y as u32),
4400 FILE_HEADER_HEIGHT + MULTI_BUFFER_EXCERPT_HEADER_HEIGHT,
4401 excerpt,
4402 );
4403
4404 let editor_bg_color = cx.theme().colors().editor_background;
4405
4406 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
4407
4408 let available_width = hitbox.bounds.size.width - right_margin;
4409
4410 let mut header = v_flex()
4411 .w_full()
4412 .relative()
4413 .child(
4414 div()
4415 .w(available_width)
4416 .h(FILE_HEADER_HEIGHT as f32 * line_height)
4417 .bg(linear_gradient(
4418 0.,
4419 linear_color_stop(editor_bg_color.opacity(0.), 0.),
4420 linear_color_stop(editor_bg_color, 0.6),
4421 ))
4422 .absolute()
4423 .top_0(),
4424 )
4425 .child(
4426 self.render_buffer_header(excerpt, false, selected, true, jump_data, window, cx)
4427 .into_any_element(),
4428 )
4429 .into_any_element();
4430
4431 let mut origin = hitbox.origin;
4432 // Move floating header up to avoid colliding with the next buffer header.
4433 for block in blocks.iter() {
4434 if !block.is_buffer_header {
4435 continue;
4436 }
4437
4438 let Some(display_row) = block.row.filter(|row| row.0 > scroll_position.y as u32) else {
4439 continue;
4440 };
4441
4442 let max_row = display_row.0.saturating_sub(FILE_HEADER_HEIGHT);
4443 let offset = scroll_position.y - max_row as f64;
4444
4445 if offset > 0.0 {
4446 origin.y -= Pixels::from(offset * ScrollPixelOffset::from(line_height));
4447 }
4448 break;
4449 }
4450
4451 let size = size(
4452 AvailableSpace::Definite(available_width),
4453 AvailableSpace::MinContent,
4454 );
4455
4456 header.prepaint_as_root(origin, size, window, cx);
4457
4458 header
4459 }
4460
4461 fn layout_cursor_popovers(
4462 &self,
4463 line_height: Pixels,
4464 text_hitbox: &Hitbox,
4465 content_origin: gpui::Point<Pixels>,
4466 right_margin: Pixels,
4467 start_row: DisplayRow,
4468 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4469 line_layouts: &[LineWithInvisibles],
4470 cursor: DisplayPoint,
4471 cursor_point: Point,
4472 style: &EditorStyle,
4473 window: &mut Window,
4474 cx: &mut App,
4475 ) -> Option<ContextMenuLayout> {
4476 let mut min_menu_height = Pixels::ZERO;
4477 let mut max_menu_height = Pixels::ZERO;
4478 let mut height_above_menu = Pixels::ZERO;
4479 let height_below_menu = Pixels::ZERO;
4480 let mut edit_prediction_popover_visible = false;
4481 let mut context_menu_visible = false;
4482 let context_menu_placement;
4483
4484 {
4485 let editor = self.editor.read(cx);
4486 if editor.edit_prediction_visible_in_cursor_popover(editor.has_active_edit_prediction())
4487 {
4488 height_above_menu +=
4489 editor.edit_prediction_cursor_popover_height() + POPOVER_Y_PADDING;
4490 edit_prediction_popover_visible = true;
4491 }
4492
4493 if editor.context_menu_visible()
4494 && let Some(crate::ContextMenuOrigin::Cursor) = editor.context_menu_origin()
4495 {
4496 let (min_height_in_lines, max_height_in_lines) = editor
4497 .context_menu_options
4498 .as_ref()
4499 .map_or((3, 12), |options| {
4500 (options.min_entries_visible, options.max_entries_visible)
4501 });
4502
4503 min_menu_height += line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4504 max_menu_height += line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4505 context_menu_visible = true;
4506 }
4507 context_menu_placement = editor
4508 .context_menu_options
4509 .as_ref()
4510 .and_then(|options| options.placement.clone());
4511 }
4512
4513 let visible = edit_prediction_popover_visible || context_menu_visible;
4514 if !visible {
4515 return None;
4516 }
4517
4518 let cursor_row_layout = &line_layouts[cursor.row().minus(start_row) as usize];
4519 let target_position = content_origin
4520 + gpui::Point {
4521 x: cmp::max(
4522 px(0.),
4523 Pixels::from(
4524 ScrollPixelOffset::from(
4525 cursor_row_layout.x_for_index(cursor.column() as usize),
4526 ) - scroll_pixel_position.x,
4527 ),
4528 ),
4529 y: cmp::max(
4530 px(0.),
4531 Pixels::from(
4532 cursor.row().next_row().as_f64() * ScrollPixelOffset::from(line_height)
4533 - scroll_pixel_position.y,
4534 ),
4535 ),
4536 };
4537
4538 let viewport_bounds =
4539 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4540 right: -right_margin - MENU_GAP,
4541 ..Default::default()
4542 });
4543
4544 let min_height = height_above_menu + min_menu_height + height_below_menu;
4545 let max_height = height_above_menu + max_menu_height + height_below_menu;
4546 let (laid_out_popovers, y_flipped) = self.layout_popovers_above_or_below_line(
4547 target_position,
4548 line_height,
4549 min_height,
4550 max_height,
4551 context_menu_placement,
4552 text_hitbox,
4553 viewport_bounds,
4554 window,
4555 cx,
4556 |height, max_width_for_stable_x, y_flipped, window, cx| {
4557 // First layout the menu to get its size - others can be at least this wide.
4558 let context_menu = if context_menu_visible {
4559 let menu_height = if y_flipped {
4560 height - height_below_menu
4561 } else {
4562 height - height_above_menu
4563 };
4564 let mut element = self
4565 .render_context_menu(line_height, menu_height, window, cx)
4566 .expect("Visible context menu should always render.");
4567 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4568 Some((CursorPopoverType::CodeContextMenu, element, size))
4569 } else {
4570 None
4571 };
4572 let min_width = context_menu
4573 .as_ref()
4574 .map_or(px(0.), |(_, _, size)| size.width);
4575 let max_width = max_width_for_stable_x.max(
4576 context_menu
4577 .as_ref()
4578 .map_or(px(0.), |(_, _, size)| size.width),
4579 );
4580
4581 let edit_prediction = if edit_prediction_popover_visible {
4582 self.editor.update(cx, move |editor, cx| {
4583 let accept_binding =
4584 editor.accept_edit_prediction_keybind(false, window, cx);
4585 let mut element = editor.render_edit_prediction_cursor_popover(
4586 min_width,
4587 max_width,
4588 cursor_point,
4589 style,
4590 accept_binding.keystroke(),
4591 window,
4592 cx,
4593 )?;
4594 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4595 Some((CursorPopoverType::EditPrediction, element, size))
4596 })
4597 } else {
4598 None
4599 };
4600 vec![edit_prediction, context_menu]
4601 .into_iter()
4602 .flatten()
4603 .collect::<Vec<_>>()
4604 },
4605 )?;
4606
4607 let (menu_ix, (_, menu_bounds)) = laid_out_popovers
4608 .iter()
4609 .find_position(|(x, _)| matches!(x, CursorPopoverType::CodeContextMenu))?;
4610 let last_ix = laid_out_popovers.len() - 1;
4611 let menu_is_last = menu_ix == last_ix;
4612 let first_popover_bounds = laid_out_popovers[0].1;
4613 let last_popover_bounds = laid_out_popovers[last_ix].1;
4614
4615 // Bounds to layout the aside around. When y_flipped, the aside goes either above or to the
4616 // right, and otherwise it goes below or to the right.
4617 let mut target_bounds = Bounds::from_corners(
4618 first_popover_bounds.origin,
4619 last_popover_bounds.bottom_right(),
4620 );
4621 target_bounds.size.width = menu_bounds.size.width;
4622
4623 // Like `target_bounds`, but with the max height it could occupy. Choosing an aside position
4624 // based on this is preferred for layout stability.
4625 let mut max_target_bounds = target_bounds;
4626 max_target_bounds.size.height = max_height;
4627 if y_flipped {
4628 max_target_bounds.origin.y -= max_height - target_bounds.size.height;
4629 }
4630
4631 // Add spacing around `target_bounds` and `max_target_bounds`.
4632 let mut extend_amount = Edges::all(MENU_GAP);
4633 if y_flipped {
4634 extend_amount.bottom = line_height;
4635 } else {
4636 extend_amount.top = line_height;
4637 }
4638 let target_bounds = target_bounds.extend(extend_amount);
4639 let max_target_bounds = max_target_bounds.extend(extend_amount);
4640
4641 let must_place_above_or_below =
4642 if y_flipped && !menu_is_last && menu_bounds.size.height < max_menu_height {
4643 laid_out_popovers[menu_ix + 1..]
4644 .iter()
4645 .any(|(_, popover_bounds)| popover_bounds.size.width > menu_bounds.size.width)
4646 } else {
4647 false
4648 };
4649
4650 let aside_bounds = self.layout_context_menu_aside(
4651 y_flipped,
4652 *menu_bounds,
4653 target_bounds,
4654 max_target_bounds,
4655 max_menu_height,
4656 must_place_above_or_below,
4657 text_hitbox,
4658 viewport_bounds,
4659 window,
4660 cx,
4661 );
4662
4663 if let Some(menu_bounds) = laid_out_popovers.iter().find_map(|(popover_type, bounds)| {
4664 if matches!(popover_type, CursorPopoverType::CodeContextMenu) {
4665 Some(*bounds)
4666 } else {
4667 None
4668 }
4669 }) {
4670 let bounds = if let Some(aside_bounds) = aside_bounds {
4671 menu_bounds.union(&aside_bounds)
4672 } else {
4673 menu_bounds
4674 };
4675 return Some(ContextMenuLayout { y_flipped, bounds });
4676 }
4677
4678 None
4679 }
4680
4681 fn layout_gutter_menu(
4682 &self,
4683 line_height: Pixels,
4684 text_hitbox: &Hitbox,
4685 content_origin: gpui::Point<Pixels>,
4686 right_margin: Pixels,
4687 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4688 gutter_overshoot: Pixels,
4689 window: &mut Window,
4690 cx: &mut App,
4691 ) {
4692 let editor = self.editor.read(cx);
4693 if !editor.context_menu_visible() {
4694 return;
4695 }
4696 let Some(crate::ContextMenuOrigin::GutterIndicator(gutter_row)) =
4697 editor.context_menu_origin()
4698 else {
4699 return;
4700 };
4701 // Context menu was spawned via a click on a gutter. Ensure it's a bit closer to the
4702 // indicator than just a plain first column of the text field.
4703 let target_position = content_origin
4704 + gpui::Point {
4705 x: -gutter_overshoot,
4706 y: Pixels::from(
4707 gutter_row.next_row().as_f64() * ScrollPixelOffset::from(line_height)
4708 - scroll_pixel_position.y,
4709 ),
4710 };
4711
4712 let (min_height_in_lines, max_height_in_lines) = editor
4713 .context_menu_options
4714 .as_ref()
4715 .map_or((3, 12), |options| {
4716 (options.min_entries_visible, options.max_entries_visible)
4717 });
4718
4719 let min_height = line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4720 let max_height = line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4721 let viewport_bounds =
4722 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4723 right: -right_margin - MENU_GAP,
4724 ..Default::default()
4725 });
4726 self.layout_popovers_above_or_below_line(
4727 target_position,
4728 line_height,
4729 min_height,
4730 max_height,
4731 editor
4732 .context_menu_options
4733 .as_ref()
4734 .and_then(|options| options.placement.clone()),
4735 text_hitbox,
4736 viewport_bounds,
4737 window,
4738 cx,
4739 move |height, _max_width_for_stable_x, _, window, cx| {
4740 let mut element = self
4741 .render_context_menu(line_height, height, window, cx)
4742 .expect("Visible context menu should always render.");
4743 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4744 vec![(CursorPopoverType::CodeContextMenu, element, size)]
4745 },
4746 );
4747 }
4748
4749 fn layout_popovers_above_or_below_line(
4750 &self,
4751 target_position: gpui::Point<Pixels>,
4752 line_height: Pixels,
4753 min_height: Pixels,
4754 max_height: Pixels,
4755 placement: Option<ContextMenuPlacement>,
4756 text_hitbox: &Hitbox,
4757 viewport_bounds: Bounds<Pixels>,
4758 window: &mut Window,
4759 cx: &mut App,
4760 make_sized_popovers: impl FnOnce(
4761 Pixels,
4762 Pixels,
4763 bool,
4764 &mut Window,
4765 &mut App,
4766 ) -> Vec<(CursorPopoverType, AnyElement, Size<Pixels>)>,
4767 ) -> Option<(Vec<(CursorPopoverType, Bounds<Pixels>)>, bool)> {
4768 let text_style = TextStyleRefinement {
4769 line_height: Some(DefiniteLength::Fraction(
4770 BufferLineHeight::Comfortable.value(),
4771 )),
4772 ..Default::default()
4773 };
4774 window.with_text_style(Some(text_style), |window| {
4775 // If the max height won't fit below and there is more space above, put it above the line.
4776 let bottom_y_when_flipped = target_position.y - line_height;
4777 let available_above = bottom_y_when_flipped - text_hitbox.top();
4778 let available_below = text_hitbox.bottom() - target_position.y;
4779 let y_overflows_below = max_height > available_below;
4780 let mut y_flipped = match placement {
4781 Some(ContextMenuPlacement::Above) => true,
4782 Some(ContextMenuPlacement::Below) => false,
4783 None => y_overflows_below && available_above > available_below,
4784 };
4785 let mut height = cmp::min(
4786 max_height,
4787 if y_flipped {
4788 available_above
4789 } else {
4790 available_below
4791 },
4792 );
4793
4794 // If the min height doesn't fit within text bounds, instead fit within the window.
4795 if height < min_height {
4796 let available_above = bottom_y_when_flipped;
4797 let available_below = viewport_bounds.bottom() - target_position.y;
4798 let (y_flipped_override, height_override) = match placement {
4799 Some(ContextMenuPlacement::Above) => {
4800 (true, cmp::min(available_above, min_height))
4801 }
4802 Some(ContextMenuPlacement::Below) => {
4803 (false, cmp::min(available_below, min_height))
4804 }
4805 None => {
4806 if available_below > min_height {
4807 (false, min_height)
4808 } else if available_above > min_height {
4809 (true, min_height)
4810 } else if available_above > available_below {
4811 (true, available_above)
4812 } else {
4813 (false, available_below)
4814 }
4815 }
4816 };
4817 y_flipped = y_flipped_override;
4818 height = height_override;
4819 }
4820
4821 let max_width_for_stable_x = viewport_bounds.right() - target_position.x;
4822
4823 // TODO: Use viewport_bounds.width as a max width so that it doesn't get clipped on the left
4824 // for very narrow windows.
4825 let popovers =
4826 make_sized_popovers(height, max_width_for_stable_x, y_flipped, window, cx);
4827 if popovers.is_empty() {
4828 return None;
4829 }
4830
4831 let max_width = popovers
4832 .iter()
4833 .map(|(_, _, size)| size.width)
4834 .max()
4835 .unwrap_or_default();
4836
4837 let mut current_position = gpui::Point {
4838 // Snap the right edge of the list to the right edge of the window if its horizontal bounds
4839 // overflow. Include space for the scrollbar.
4840 x: target_position
4841 .x
4842 .min((viewport_bounds.right() - max_width).max(Pixels::ZERO)),
4843 y: if y_flipped {
4844 bottom_y_when_flipped
4845 } else {
4846 target_position.y
4847 },
4848 };
4849
4850 let mut laid_out_popovers = popovers
4851 .into_iter()
4852 .map(|(popover_type, element, size)| {
4853 if y_flipped {
4854 current_position.y -= size.height;
4855 }
4856 let position = current_position;
4857 window.defer_draw(element, current_position, 1);
4858 if !y_flipped {
4859 current_position.y += size.height + MENU_GAP;
4860 } else {
4861 current_position.y -= MENU_GAP;
4862 }
4863 (popover_type, Bounds::new(position, size))
4864 })
4865 .collect::<Vec<_>>();
4866
4867 if y_flipped {
4868 laid_out_popovers.reverse();
4869 }
4870
4871 Some((laid_out_popovers, y_flipped))
4872 })
4873 }
4874
4875 fn layout_context_menu_aside(
4876 &self,
4877 y_flipped: bool,
4878 menu_bounds: Bounds<Pixels>,
4879 target_bounds: Bounds<Pixels>,
4880 max_target_bounds: Bounds<Pixels>,
4881 max_height: Pixels,
4882 must_place_above_or_below: bool,
4883 text_hitbox: &Hitbox,
4884 viewport_bounds: Bounds<Pixels>,
4885 window: &mut Window,
4886 cx: &mut App,
4887 ) -> Option<Bounds<Pixels>> {
4888 let available_within_viewport = target_bounds.space_within(&viewport_bounds);
4889 let positioned_aside = if available_within_viewport.right >= MENU_ASIDE_MIN_WIDTH
4890 && !must_place_above_or_below
4891 {
4892 let max_width = cmp::min(
4893 available_within_viewport.right - px(1.),
4894 MENU_ASIDE_MAX_WIDTH,
4895 );
4896 let mut aside = self.render_context_menu_aside(
4897 size(max_width, max_height - POPOVER_Y_PADDING),
4898 window,
4899 cx,
4900 )?;
4901 let size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4902 let right_position = point(target_bounds.right(), menu_bounds.origin.y);
4903 Some((aside, right_position, size))
4904 } else {
4905 let max_size = size(
4906 // TODO(mgsloan): Once the menu is bounded by viewport width the bound on viewport
4907 // won't be needed here.
4908 cmp::min(
4909 cmp::max(menu_bounds.size.width - px(2.), MENU_ASIDE_MIN_WIDTH),
4910 viewport_bounds.right(),
4911 ),
4912 cmp::min(
4913 max_height,
4914 cmp::max(
4915 available_within_viewport.top,
4916 available_within_viewport.bottom,
4917 ),
4918 ) - POPOVER_Y_PADDING,
4919 );
4920 let mut aside = self.render_context_menu_aside(max_size, window, cx)?;
4921 let actual_size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4922
4923 let top_position = point(
4924 menu_bounds.origin.x,
4925 target_bounds.top() - actual_size.height,
4926 );
4927 let bottom_position = point(menu_bounds.origin.x, target_bounds.bottom());
4928
4929 let fit_within = |available: Edges<Pixels>, wanted: Size<Pixels>| {
4930 // Prefer to fit on the same side of the line as the menu, then on the other side of
4931 // the line.
4932 if !y_flipped && wanted.height < available.bottom {
4933 Some(bottom_position)
4934 } else if !y_flipped && wanted.height < available.top {
4935 Some(top_position)
4936 } else if y_flipped && wanted.height < available.top {
4937 Some(top_position)
4938 } else if y_flipped && wanted.height < available.bottom {
4939 Some(bottom_position)
4940 } else {
4941 None
4942 }
4943 };
4944
4945 // Prefer choosing a direction using max sizes rather than actual size for stability.
4946 let available_within_text = max_target_bounds.space_within(&text_hitbox.bounds);
4947 let wanted = size(MENU_ASIDE_MAX_WIDTH, max_height);
4948 let aside_position = fit_within(available_within_text, wanted)
4949 // Fallback: fit max size in window.
4950 .or_else(|| fit_within(max_target_bounds.space_within(&viewport_bounds), wanted))
4951 // Fallback: fit actual size in window.
4952 .or_else(|| fit_within(available_within_viewport, actual_size));
4953
4954 aside_position.map(|position| (aside, position, actual_size))
4955 };
4956
4957 // Skip drawing if it doesn't fit anywhere.
4958 if let Some((aside, position, size)) = positioned_aside {
4959 let aside_bounds = Bounds::new(position, size);
4960 window.defer_draw(aside, position, 2);
4961 return Some(aside_bounds);
4962 }
4963
4964 None
4965 }
4966
4967 fn render_context_menu(
4968 &self,
4969 line_height: Pixels,
4970 height: Pixels,
4971 window: &mut Window,
4972 cx: &mut App,
4973 ) -> Option<AnyElement> {
4974 let max_height_in_lines = ((height - POPOVER_Y_PADDING) / line_height).floor() as u32;
4975 self.editor.update(cx, |editor, cx| {
4976 editor.render_context_menu(&self.style, max_height_in_lines, window, cx)
4977 })
4978 }
4979
4980 fn render_context_menu_aside(
4981 &self,
4982 max_size: Size<Pixels>,
4983 window: &mut Window,
4984 cx: &mut App,
4985 ) -> Option<AnyElement> {
4986 if max_size.width < px(100.) || max_size.height < px(12.) {
4987 None
4988 } else {
4989 self.editor.update(cx, |editor, cx| {
4990 editor.render_context_menu_aside(max_size, window, cx)
4991 })
4992 }
4993 }
4994
4995 fn layout_mouse_context_menu(
4996 &self,
4997 editor_snapshot: &EditorSnapshot,
4998 visible_range: Range<DisplayRow>,
4999 content_origin: gpui::Point<Pixels>,
5000 window: &mut Window,
5001 cx: &mut App,
5002 ) -> Option<AnyElement> {
5003 let position = self.editor.update(cx, |editor, _cx| {
5004 let visible_start_point = editor.display_to_pixel_point(
5005 DisplayPoint::new(visible_range.start, 0),
5006 editor_snapshot,
5007 window,
5008 )?;
5009 let visible_end_point = editor.display_to_pixel_point(
5010 DisplayPoint::new(visible_range.end, 0),
5011 editor_snapshot,
5012 window,
5013 )?;
5014
5015 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
5016 let (source_display_point, position) = match mouse_context_menu.position {
5017 MenuPosition::PinnedToScreen(point) => (None, point),
5018 MenuPosition::PinnedToEditor { source, offset } => {
5019 let source_display_point = source.to_display_point(editor_snapshot);
5020 let source_point = editor.to_pixel_point(source, editor_snapshot, window)?;
5021 let position = content_origin + source_point + offset;
5022 (Some(source_display_point), position)
5023 }
5024 };
5025
5026 let source_included = source_display_point.is_none_or(|source_display_point| {
5027 visible_range
5028 .to_inclusive()
5029 .contains(&source_display_point.row())
5030 });
5031 let position_included =
5032 visible_start_point.y <= position.y && position.y <= visible_end_point.y;
5033 if !source_included && !position_included {
5034 None
5035 } else {
5036 Some(position)
5037 }
5038 })?;
5039
5040 let text_style = TextStyleRefinement {
5041 line_height: Some(DefiniteLength::Fraction(
5042 BufferLineHeight::Comfortable.value(),
5043 )),
5044 ..Default::default()
5045 };
5046 window.with_text_style(Some(text_style), |window| {
5047 let mut element = self.editor.read_with(cx, |editor, _| {
5048 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
5049 let context_menu = mouse_context_menu.context_menu.clone();
5050
5051 Some(
5052 deferred(
5053 anchored()
5054 .position(position)
5055 .child(context_menu)
5056 .anchor(Corner::TopLeft)
5057 .snap_to_window_with_margin(px(8.)),
5058 )
5059 .with_priority(1)
5060 .into_any(),
5061 )
5062 })?;
5063
5064 element.prepaint_as_root(position, AvailableSpace::min_size(), window, cx);
5065 Some(element)
5066 })
5067 }
5068
5069 fn layout_hover_popovers(
5070 &self,
5071 snapshot: &EditorSnapshot,
5072 hitbox: &Hitbox,
5073 visible_display_row_range: Range<DisplayRow>,
5074 content_origin: gpui::Point<Pixels>,
5075 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5076 line_layouts: &[LineWithInvisibles],
5077 line_height: Pixels,
5078 em_width: Pixels,
5079 context_menu_layout: Option<ContextMenuLayout>,
5080 window: &mut Window,
5081 cx: &mut App,
5082 ) {
5083 struct MeasuredHoverPopover {
5084 element: AnyElement,
5085 size: Size<Pixels>,
5086 horizontal_offset: Pixels,
5087 }
5088
5089 let max_size = size(
5090 (120. * em_width) // Default size
5091 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5092 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5093 (16. * line_height) // Default size
5094 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5095 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5096 );
5097
5098 let hover_popovers = self.editor.update(cx, |editor, cx| {
5099 editor.hover_state.render(
5100 snapshot,
5101 visible_display_row_range.clone(),
5102 max_size,
5103 window,
5104 cx,
5105 )
5106 });
5107 let Some((position, hover_popovers)) = hover_popovers else {
5108 return;
5109 };
5110
5111 // This is safe because we check on layout whether the required row is available
5112 let hovered_row_layout =
5113 &line_layouts[position.row().minus(visible_display_row_range.start) as usize];
5114
5115 // Compute Hovered Point
5116 let x = hovered_row_layout.x_for_index(position.column() as usize)
5117 - Pixels::from(scroll_pixel_position.x);
5118 let y = Pixels::from(
5119 position.row().as_f64() * ScrollPixelOffset::from(line_height)
5120 - scroll_pixel_position.y,
5121 );
5122 let hovered_point = content_origin + point(x, y);
5123
5124 let mut overall_height = Pixels::ZERO;
5125 let mut measured_hover_popovers = Vec::new();
5126 for (position, mut hover_popover) in hover_popovers.into_iter().with_position() {
5127 let size = hover_popover.layout_as_root(AvailableSpace::min_size(), window, cx);
5128 let horizontal_offset =
5129 (hitbox.top_right().x - POPOVER_RIGHT_OFFSET - (hovered_point.x + size.width))
5130 .min(Pixels::ZERO);
5131 match position {
5132 itertools::Position::Middle | itertools::Position::Last => {
5133 overall_height += HOVER_POPOVER_GAP
5134 }
5135 _ => {}
5136 }
5137 overall_height += size.height;
5138 measured_hover_popovers.push(MeasuredHoverPopover {
5139 element: hover_popover,
5140 size,
5141 horizontal_offset,
5142 });
5143 }
5144
5145 fn draw_occluder(
5146 width: Pixels,
5147 origin: gpui::Point<Pixels>,
5148 window: &mut Window,
5149 cx: &mut App,
5150 ) {
5151 let mut occlusion = div()
5152 .size_full()
5153 .occlude()
5154 .on_mouse_move(|_, _, cx| cx.stop_propagation())
5155 .into_any_element();
5156 occlusion.layout_as_root(size(width, HOVER_POPOVER_GAP).into(), window, cx);
5157 window.defer_draw(occlusion, origin, 2);
5158 }
5159
5160 fn place_popovers_above(
5161 hovered_point: gpui::Point<Pixels>,
5162 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5163 window: &mut Window,
5164 cx: &mut App,
5165 ) {
5166 let mut current_y = hovered_point.y;
5167 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5168 let size = popover.size;
5169 let popover_origin = point(
5170 hovered_point.x + popover.horizontal_offset,
5171 current_y - size.height,
5172 );
5173
5174 window.defer_draw(popover.element, popover_origin, 2);
5175 if position != itertools::Position::Last {
5176 let origin = point(popover_origin.x, popover_origin.y - HOVER_POPOVER_GAP);
5177 draw_occluder(size.width, origin, window, cx);
5178 }
5179
5180 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5181 }
5182 }
5183
5184 fn place_popovers_below(
5185 hovered_point: gpui::Point<Pixels>,
5186 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5187 line_height: Pixels,
5188 window: &mut Window,
5189 cx: &mut App,
5190 ) {
5191 let mut current_y = hovered_point.y + line_height;
5192 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5193 let size = popover.size;
5194 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5195
5196 window.defer_draw(popover.element, popover_origin, 2);
5197 if position != itertools::Position::Last {
5198 let origin = point(popover_origin.x, popover_origin.y + size.height);
5199 draw_occluder(size.width, origin, window, cx);
5200 }
5201
5202 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5203 }
5204 }
5205
5206 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5207 context_menu_layout
5208 .as_ref()
5209 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5210 };
5211
5212 let can_place_above = {
5213 let mut bounds_above = Vec::new();
5214 let mut current_y = hovered_point.y;
5215 for popover in &measured_hover_popovers {
5216 let size = popover.size;
5217 let popover_origin = point(
5218 hovered_point.x + popover.horizontal_offset,
5219 current_y - size.height,
5220 );
5221 bounds_above.push(Bounds::new(popover_origin, size));
5222 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5223 }
5224 bounds_above
5225 .iter()
5226 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5227 };
5228
5229 let can_place_below = || {
5230 let mut bounds_below = Vec::new();
5231 let mut current_y = hovered_point.y + line_height;
5232 for popover in &measured_hover_popovers {
5233 let size = popover.size;
5234 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5235 bounds_below.push(Bounds::new(popover_origin, size));
5236 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5237 }
5238 bounds_below
5239 .iter()
5240 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5241 };
5242
5243 if can_place_above {
5244 // try placing above hovered point
5245 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5246 } else if can_place_below() {
5247 // try placing below hovered point
5248 place_popovers_below(
5249 hovered_point,
5250 measured_hover_popovers,
5251 line_height,
5252 window,
5253 cx,
5254 );
5255 } else {
5256 // try to place popovers around the context menu
5257 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5258 let total_width = measured_hover_popovers
5259 .iter()
5260 .map(|p| p.size.width)
5261 .max()
5262 .unwrap_or(Pixels::ZERO);
5263 let y_for_horizontal_positioning = if menu.y_flipped {
5264 menu.bounds.bottom() - overall_height
5265 } else {
5266 menu.bounds.top()
5267 };
5268 let possible_origins = vec![
5269 // left of context menu
5270 point(
5271 menu.bounds.left() - total_width - HOVER_POPOVER_GAP,
5272 y_for_horizontal_positioning,
5273 ),
5274 // right of context menu
5275 point(
5276 menu.bounds.right() + HOVER_POPOVER_GAP,
5277 y_for_horizontal_positioning,
5278 ),
5279 // top of context menu
5280 point(
5281 menu.bounds.left(),
5282 menu.bounds.top() - overall_height - HOVER_POPOVER_GAP,
5283 ),
5284 // bottom of context menu
5285 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5286 ];
5287 possible_origins.into_iter().find(|&origin| {
5288 Bounds::new(origin, size(total_width, overall_height))
5289 .is_contained_within(hitbox)
5290 })
5291 });
5292 if let Some(origin) = origin_surrounding_menu {
5293 let mut current_y = origin.y;
5294 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5295 let size = popover.size;
5296 let popover_origin = point(origin.x, current_y);
5297
5298 window.defer_draw(popover.element, popover_origin, 2);
5299 if position != itertools::Position::Last {
5300 let origin = point(popover_origin.x, popover_origin.y + size.height);
5301 draw_occluder(size.width, origin, window, cx);
5302 }
5303
5304 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5305 }
5306 } else {
5307 // fallback to existing above/below cursor logic
5308 // this might overlap menu or overflow in rare case
5309 if can_place_above {
5310 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5311 } else {
5312 place_popovers_below(
5313 hovered_point,
5314 measured_hover_popovers,
5315 line_height,
5316 window,
5317 cx,
5318 );
5319 }
5320 }
5321 }
5322 }
5323
5324 fn layout_diff_hunk_controls(
5325 &self,
5326 row_range: Range<DisplayRow>,
5327 row_infos: &[RowInfo],
5328 text_hitbox: &Hitbox,
5329 newest_cursor_position: Option<DisplayPoint>,
5330 line_height: Pixels,
5331 right_margin: Pixels,
5332 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5333 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
5334 highlighted_rows: &BTreeMap<DisplayRow, LineHighlight>,
5335 editor: Entity<Editor>,
5336 window: &mut Window,
5337 cx: &mut App,
5338 ) -> (Vec<AnyElement>, Vec<(DisplayRow, Bounds<Pixels>)>) {
5339 let render_diff_hunk_controls = editor.read(cx).render_diff_hunk_controls.clone();
5340 let hovered_diff_hunk_row = editor.read(cx).hovered_diff_hunk_row;
5341
5342 let mut controls = vec![];
5343 let mut control_bounds = vec![];
5344
5345 let active_positions = [
5346 hovered_diff_hunk_row.map(|row| DisplayPoint::new(row, 0)),
5347 newest_cursor_position,
5348 ];
5349
5350 for (hunk, _) in display_hunks {
5351 if let DisplayDiffHunk::Unfolded {
5352 display_row_range,
5353 multi_buffer_range,
5354 status,
5355 is_created_file,
5356 ..
5357 } = &hunk
5358 {
5359 if display_row_range.start < row_range.start
5360 || display_row_range.start >= row_range.end
5361 {
5362 continue;
5363 }
5364 if highlighted_rows
5365 .get(&display_row_range.start)
5366 .and_then(|highlight| highlight.type_id)
5367 .is_some_and(|type_id| {
5368 [
5369 TypeId::of::<ConflictsOuter>(),
5370 TypeId::of::<ConflictsOursMarker>(),
5371 TypeId::of::<ConflictsOurs>(),
5372 TypeId::of::<ConflictsTheirs>(),
5373 TypeId::of::<ConflictsTheirsMarker>(),
5374 ]
5375 .contains(&type_id)
5376 })
5377 {
5378 continue;
5379 }
5380 let row_ix = (display_row_range.start - row_range.start).0 as usize;
5381 if row_infos[row_ix].diff_status.is_none() {
5382 continue;
5383 }
5384 if row_infos[row_ix]
5385 .diff_status
5386 .is_some_and(|status| status.is_added())
5387 && !status.is_added()
5388 {
5389 continue;
5390 }
5391
5392 if active_positions
5393 .iter()
5394 .any(|p| p.is_some_and(|p| display_row_range.contains(&p.row())))
5395 {
5396 let y = (display_row_range.start.as_f64()
5397 * ScrollPixelOffset::from(line_height)
5398 + ScrollPixelOffset::from(text_hitbox.bounds.top())
5399 - scroll_pixel_position.y)
5400 .into();
5401
5402 let mut element = render_diff_hunk_controls(
5403 display_row_range.start.0,
5404 status,
5405 multi_buffer_range.clone(),
5406 *is_created_file,
5407 line_height,
5408 &editor,
5409 window,
5410 cx,
5411 );
5412 let size =
5413 element.layout_as_root(size(px(100.0), line_height).into(), window, cx);
5414
5415 let x = text_hitbox.bounds.right() - right_margin - px(10.) - size.width;
5416
5417 let bounds = Bounds::new(gpui::Point::new(x, y), size);
5418 control_bounds.push((display_row_range.start, bounds));
5419
5420 window.with_absolute_element_offset(gpui::Point::new(x, y), |window| {
5421 element.prepaint(window, cx)
5422 });
5423 controls.push(element);
5424 }
5425 }
5426 }
5427
5428 (controls, control_bounds)
5429 }
5430
5431 fn layout_signature_help(
5432 &self,
5433 hitbox: &Hitbox,
5434 content_origin: gpui::Point<Pixels>,
5435 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5436 newest_selection_head: Option<DisplayPoint>,
5437 start_row: DisplayRow,
5438 line_layouts: &[LineWithInvisibles],
5439 line_height: Pixels,
5440 em_width: Pixels,
5441 context_menu_layout: Option<ContextMenuLayout>,
5442 window: &mut Window,
5443 cx: &mut App,
5444 ) {
5445 if !self.editor.focus_handle(cx).is_focused(window) {
5446 return;
5447 }
5448 let Some(newest_selection_head) = newest_selection_head else {
5449 return;
5450 };
5451
5452 let max_size = size(
5453 (120. * em_width) // Default size
5454 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5455 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5456 (16. * line_height) // Default size
5457 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5458 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5459 );
5460
5461 let maybe_element = self.editor.update(cx, |editor, cx| {
5462 if let Some(popover) = editor.signature_help_state.popover_mut() {
5463 let element = popover.render(max_size, window, cx);
5464 Some(element)
5465 } else {
5466 None
5467 }
5468 });
5469 let Some(mut element) = maybe_element else {
5470 return;
5471 };
5472
5473 let selection_row = newest_selection_head.row();
5474 let Some(cursor_row_layout) = (selection_row >= start_row)
5475 .then(|| line_layouts.get(selection_row.minus(start_row) as usize))
5476 .flatten()
5477 else {
5478 return;
5479 };
5480
5481 let target_x = cursor_row_layout.x_for_index(newest_selection_head.column() as usize)
5482 - Pixels::from(scroll_pixel_position.x);
5483 let target_y = Pixels::from(
5484 selection_row.as_f64() * ScrollPixelOffset::from(line_height) - scroll_pixel_position.y,
5485 );
5486 let target_point = content_origin + point(target_x, target_y);
5487
5488 let actual_size = element.layout_as_root(Size::<AvailableSpace>::default(), window, cx);
5489
5490 let (popover_bounds_above, popover_bounds_below) = {
5491 let horizontal_offset = (hitbox.top_right().x
5492 - POPOVER_RIGHT_OFFSET
5493 - (target_point.x + actual_size.width))
5494 .min(Pixels::ZERO);
5495 let initial_x = target_point.x + horizontal_offset;
5496 (
5497 Bounds::new(
5498 point(initial_x, target_point.y - actual_size.height),
5499 actual_size,
5500 ),
5501 Bounds::new(
5502 point(initial_x, target_point.y + line_height + HOVER_POPOVER_GAP),
5503 actual_size,
5504 ),
5505 )
5506 };
5507
5508 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5509 context_menu_layout
5510 .as_ref()
5511 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5512 };
5513
5514 let final_origin = if popover_bounds_above.is_contained_within(hitbox)
5515 && !intersects_menu(popover_bounds_above)
5516 {
5517 // try placing above cursor
5518 popover_bounds_above.origin
5519 } else if popover_bounds_below.is_contained_within(hitbox)
5520 && !intersects_menu(popover_bounds_below)
5521 {
5522 // try placing below cursor
5523 popover_bounds_below.origin
5524 } else {
5525 // try surrounding context menu if exists
5526 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5527 let y_for_horizontal_positioning = if menu.y_flipped {
5528 menu.bounds.bottom() - actual_size.height
5529 } else {
5530 menu.bounds.top()
5531 };
5532 let possible_origins = vec![
5533 // left of context menu
5534 point(
5535 menu.bounds.left() - actual_size.width - HOVER_POPOVER_GAP,
5536 y_for_horizontal_positioning,
5537 ),
5538 // right of context menu
5539 point(
5540 menu.bounds.right() + HOVER_POPOVER_GAP,
5541 y_for_horizontal_positioning,
5542 ),
5543 // top of context menu
5544 point(
5545 menu.bounds.left(),
5546 menu.bounds.top() - actual_size.height - HOVER_POPOVER_GAP,
5547 ),
5548 // bottom of context menu
5549 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5550 ];
5551 possible_origins
5552 .into_iter()
5553 .find(|&origin| Bounds::new(origin, actual_size).is_contained_within(hitbox))
5554 });
5555 origin_surrounding_menu.unwrap_or_else(|| {
5556 // fallback to existing above/below cursor logic
5557 // this might overlap menu or overflow in rare case
5558 if popover_bounds_above.is_contained_within(hitbox) {
5559 popover_bounds_above.origin
5560 } else {
5561 popover_bounds_below.origin
5562 }
5563 })
5564 };
5565
5566 window.defer_draw(element, final_origin, 2);
5567 }
5568
5569 fn paint_background(&self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
5570 window.paint_layer(layout.hitbox.bounds, |window| {
5571 let scroll_top = layout.position_map.snapshot.scroll_position().y;
5572 let gutter_bg = cx.theme().colors().editor_gutter_background;
5573 window.paint_quad(fill(layout.gutter_hitbox.bounds, gutter_bg));
5574 window.paint_quad(fill(
5575 layout.position_map.text_hitbox.bounds,
5576 self.style.background,
5577 ));
5578
5579 if matches!(
5580 layout.mode,
5581 EditorMode::Full { .. } | EditorMode::Minimap { .. }
5582 ) {
5583 let show_active_line_background = match layout.mode {
5584 EditorMode::Full {
5585 show_active_line_background,
5586 ..
5587 } => show_active_line_background,
5588 EditorMode::Minimap { .. } => true,
5589 _ => false,
5590 };
5591 let mut active_rows = layout.active_rows.iter().peekable();
5592 while let Some((start_row, contains_non_empty_selection)) = active_rows.next() {
5593 let mut end_row = start_row.0;
5594 while active_rows
5595 .peek()
5596 .is_some_and(|(active_row, has_selection)| {
5597 active_row.0 == end_row + 1
5598 && has_selection.selection == contains_non_empty_selection.selection
5599 })
5600 {
5601 active_rows.next().unwrap();
5602 end_row += 1;
5603 }
5604
5605 if show_active_line_background && !contains_non_empty_selection.selection {
5606 let highlight_h_range =
5607 match layout.position_map.snapshot.current_line_highlight {
5608 CurrentLineHighlight::Gutter => Some(Range {
5609 start: layout.hitbox.left(),
5610 end: layout.gutter_hitbox.right(),
5611 }),
5612 CurrentLineHighlight::Line => Some(Range {
5613 start: layout.position_map.text_hitbox.bounds.left(),
5614 end: layout.position_map.text_hitbox.bounds.right(),
5615 }),
5616 CurrentLineHighlight::All => Some(Range {
5617 start: layout.hitbox.left(),
5618 end: layout.hitbox.right(),
5619 }),
5620 CurrentLineHighlight::None => None,
5621 };
5622 if let Some(range) = highlight_h_range {
5623 let active_line_bg = cx.theme().colors().editor_active_line_background;
5624 let bounds = Bounds {
5625 origin: point(
5626 range.start,
5627 layout.hitbox.origin.y
5628 + Pixels::from(
5629 (start_row.as_f64() - scroll_top)
5630 * ScrollPixelOffset::from(
5631 layout.position_map.line_height,
5632 ),
5633 ),
5634 ),
5635 size: size(
5636 range.end - range.start,
5637 layout.position_map.line_height
5638 * (end_row - start_row.0 + 1) as f32,
5639 ),
5640 };
5641 window.paint_quad(fill(bounds, active_line_bg));
5642 }
5643 }
5644 }
5645
5646 let mut paint_highlight = |highlight_row_start: DisplayRow,
5647 highlight_row_end: DisplayRow,
5648 highlight: crate::LineHighlight,
5649 edges| {
5650 let mut origin_x = layout.hitbox.left();
5651 let mut width = layout.hitbox.size.width;
5652 if !highlight.include_gutter {
5653 origin_x += layout.gutter_hitbox.size.width;
5654 width -= layout.gutter_hitbox.size.width;
5655 }
5656
5657 let origin = point(
5658 origin_x,
5659 layout.hitbox.origin.y
5660 + Pixels::from(
5661 (highlight_row_start.as_f64() - scroll_top)
5662 * ScrollPixelOffset::from(layout.position_map.line_height),
5663 ),
5664 );
5665 let size = size(
5666 width,
5667 layout.position_map.line_height
5668 * highlight_row_end.next_row().minus(highlight_row_start) as f32,
5669 );
5670 let mut quad = fill(Bounds { origin, size }, highlight.background);
5671 if let Some(border_color) = highlight.border {
5672 quad.border_color = border_color;
5673 quad.border_widths = edges
5674 }
5675 window.paint_quad(quad);
5676 };
5677
5678 let mut current_paint: Option<(LineHighlight, Range<DisplayRow>, Edges<Pixels>)> =
5679 None;
5680 for (&new_row, &new_background) in &layout.highlighted_rows {
5681 match &mut current_paint {
5682 &mut Some((current_background, ref mut current_range, mut edges)) => {
5683 let new_range_started = current_background != new_background
5684 || current_range.end.next_row() != new_row;
5685 if new_range_started {
5686 if current_range.end.next_row() == new_row {
5687 edges.bottom = px(0.);
5688 };
5689 paint_highlight(
5690 current_range.start,
5691 current_range.end,
5692 current_background,
5693 edges,
5694 );
5695 let edges = Edges {
5696 top: if current_range.end.next_row() != new_row {
5697 px(1.)
5698 } else {
5699 px(0.)
5700 },
5701 bottom: px(1.),
5702 ..Default::default()
5703 };
5704 current_paint = Some((new_background, new_row..new_row, edges));
5705 continue;
5706 } else {
5707 current_range.end = current_range.end.next_row();
5708 }
5709 }
5710 None => {
5711 let edges = Edges {
5712 top: px(1.),
5713 bottom: px(1.),
5714 ..Default::default()
5715 };
5716 current_paint = Some((new_background, new_row..new_row, edges))
5717 }
5718 };
5719 }
5720 if let Some((color, range, edges)) = current_paint {
5721 paint_highlight(range.start, range.end, color, edges);
5722 }
5723
5724 for (guide_x, active) in layout.wrap_guides.iter() {
5725 let color = if *active {
5726 cx.theme().colors().editor_active_wrap_guide
5727 } else {
5728 cx.theme().colors().editor_wrap_guide
5729 };
5730 window.paint_quad(fill(
5731 Bounds {
5732 origin: point(*guide_x, layout.position_map.text_hitbox.origin.y),
5733 size: size(px(1.), layout.position_map.text_hitbox.size.height),
5734 },
5735 color,
5736 ));
5737 }
5738 }
5739 })
5740 }
5741
5742 fn paint_indent_guides(
5743 &mut self,
5744 layout: &mut EditorLayout,
5745 window: &mut Window,
5746 cx: &mut App,
5747 ) {
5748 let Some(indent_guides) = &layout.indent_guides else {
5749 return;
5750 };
5751
5752 let faded_color = |color: Hsla, alpha: f32| {
5753 let mut faded = color;
5754 faded.a = alpha;
5755 faded
5756 };
5757
5758 for indent_guide in indent_guides {
5759 let indent_accent_colors = cx.theme().accents().color_for_index(indent_guide.depth);
5760 let settings = &indent_guide.settings;
5761
5762 // TODO fixed for now, expose them through themes later
5763 const INDENT_AWARE_ALPHA: f32 = 0.2;
5764 const INDENT_AWARE_ACTIVE_ALPHA: f32 = 0.4;
5765 const INDENT_AWARE_BACKGROUND_ALPHA: f32 = 0.1;
5766 const INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA: f32 = 0.2;
5767
5768 let line_color = match (settings.coloring, indent_guide.active) {
5769 (IndentGuideColoring::Disabled, _) => None,
5770 (IndentGuideColoring::Fixed, false) => {
5771 Some(cx.theme().colors().editor_indent_guide)
5772 }
5773 (IndentGuideColoring::Fixed, true) => {
5774 Some(cx.theme().colors().editor_indent_guide_active)
5775 }
5776 (IndentGuideColoring::IndentAware, false) => {
5777 Some(faded_color(indent_accent_colors, INDENT_AWARE_ALPHA))
5778 }
5779 (IndentGuideColoring::IndentAware, true) => {
5780 Some(faded_color(indent_accent_colors, INDENT_AWARE_ACTIVE_ALPHA))
5781 }
5782 };
5783
5784 let background_color = match (settings.background_coloring, indent_guide.active) {
5785 (IndentGuideBackgroundColoring::Disabled, _) => None,
5786 (IndentGuideBackgroundColoring::IndentAware, false) => Some(faded_color(
5787 indent_accent_colors,
5788 INDENT_AWARE_BACKGROUND_ALPHA,
5789 )),
5790 (IndentGuideBackgroundColoring::IndentAware, true) => Some(faded_color(
5791 indent_accent_colors,
5792 INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA,
5793 )),
5794 };
5795
5796 let requested_line_width = if indent_guide.active {
5797 settings.active_line_width
5798 } else {
5799 settings.line_width
5800 }
5801 .clamp(1, 10);
5802 let mut line_indicator_width = 0.;
5803 if let Some(color) = line_color {
5804 window.paint_quad(fill(
5805 Bounds {
5806 origin: indent_guide.origin,
5807 size: size(px(requested_line_width as f32), indent_guide.length),
5808 },
5809 color,
5810 ));
5811 line_indicator_width = requested_line_width as f32;
5812 }
5813
5814 if let Some(color) = background_color {
5815 let width = indent_guide.single_indent_width - px(line_indicator_width);
5816 window.paint_quad(fill(
5817 Bounds {
5818 origin: point(
5819 indent_guide.origin.x + px(line_indicator_width),
5820 indent_guide.origin.y,
5821 ),
5822 size: size(width, indent_guide.length),
5823 },
5824 color,
5825 ));
5826 }
5827 }
5828 }
5829
5830 fn paint_line_numbers(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5831 let is_singleton = self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
5832
5833 let line_height = layout.position_map.line_height;
5834 window.set_cursor_style(CursorStyle::Arrow, &layout.gutter_hitbox);
5835
5836 for LineNumberLayout {
5837 shaped_line,
5838 hitbox,
5839 } in layout.line_numbers.values()
5840 {
5841 let Some(hitbox) = hitbox else {
5842 continue;
5843 };
5844
5845 let Some(()) = (if !is_singleton && hitbox.is_hovered(window) {
5846 let color = cx.theme().colors().editor_hover_line_number;
5847
5848 let line = self.shape_line_number(shaped_line.text.clone(), color, window);
5849 line.paint(hitbox.origin, line_height, window, cx).log_err()
5850 } else {
5851 shaped_line
5852 .paint(hitbox.origin, line_height, window, cx)
5853 .log_err()
5854 }) else {
5855 continue;
5856 };
5857
5858 // In singleton buffers, we select corresponding lines on the line number click, so use | -like cursor.
5859 // In multi buffers, we open file at the line number clicked, so use a pointing hand cursor.
5860 if is_singleton {
5861 window.set_cursor_style(CursorStyle::IBeam, hitbox);
5862 } else {
5863 window.set_cursor_style(CursorStyle::PointingHand, hitbox);
5864 }
5865 }
5866 }
5867
5868 fn paint_gutter_diff_hunks(layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5869 if layout.display_hunks.is_empty() {
5870 return;
5871 }
5872
5873 let line_height = layout.position_map.line_height;
5874 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5875 for (hunk, hitbox) in &layout.display_hunks {
5876 let hunk_to_paint = match hunk {
5877 DisplayDiffHunk::Folded { .. } => {
5878 let hunk_bounds = Self::diff_hunk_bounds(
5879 &layout.position_map.snapshot,
5880 line_height,
5881 layout.gutter_hitbox.bounds,
5882 hunk,
5883 );
5884 Some((
5885 hunk_bounds,
5886 cx.theme().colors().version_control_modified,
5887 Corners::all(px(0.)),
5888 DiffHunkStatus::modified_none(),
5889 ))
5890 }
5891 DisplayDiffHunk::Unfolded {
5892 status,
5893 display_row_range,
5894 ..
5895 } => hitbox.as_ref().map(|hunk_hitbox| match status.kind {
5896 DiffHunkStatusKind::Added => (
5897 hunk_hitbox.bounds,
5898 cx.theme().colors().version_control_added,
5899 Corners::all(px(0.)),
5900 *status,
5901 ),
5902 DiffHunkStatusKind::Modified => (
5903 hunk_hitbox.bounds,
5904 cx.theme().colors().version_control_modified,
5905 Corners::all(px(0.)),
5906 *status,
5907 ),
5908 DiffHunkStatusKind::Deleted if !display_row_range.is_empty() => (
5909 hunk_hitbox.bounds,
5910 cx.theme().colors().version_control_deleted,
5911 Corners::all(px(0.)),
5912 *status,
5913 ),
5914 DiffHunkStatusKind::Deleted => (
5915 Bounds::new(
5916 point(
5917 hunk_hitbox.origin.x - hunk_hitbox.size.width,
5918 hunk_hitbox.origin.y,
5919 ),
5920 size(hunk_hitbox.size.width * 2., hunk_hitbox.size.height),
5921 ),
5922 cx.theme().colors().version_control_deleted,
5923 Corners::all(1. * line_height),
5924 *status,
5925 ),
5926 }),
5927 };
5928
5929 if let Some((hunk_bounds, background_color, corner_radii, status)) = hunk_to_paint {
5930 // Flatten the background color with the editor color to prevent
5931 // elements below transparent hunks from showing through
5932 let flattened_background_color = cx
5933 .theme()
5934 .colors()
5935 .editor_background
5936 .blend(background_color);
5937
5938 if !Self::diff_hunk_hollow(status, cx) {
5939 window.paint_quad(quad(
5940 hunk_bounds,
5941 corner_radii,
5942 flattened_background_color,
5943 Edges::default(),
5944 transparent_black(),
5945 BorderStyle::default(),
5946 ));
5947 } else {
5948 let flattened_unstaged_background_color = cx
5949 .theme()
5950 .colors()
5951 .editor_background
5952 .blend(background_color.opacity(0.3));
5953
5954 window.paint_quad(quad(
5955 hunk_bounds,
5956 corner_radii,
5957 flattened_unstaged_background_color,
5958 Edges::all(px(1.0)),
5959 flattened_background_color,
5960 BorderStyle::Solid,
5961 ));
5962 }
5963 }
5964 }
5965 });
5966 }
5967
5968 fn gutter_strip_width(line_height: Pixels) -> Pixels {
5969 (0.275 * line_height).floor()
5970 }
5971
5972 fn diff_hunk_bounds(
5973 snapshot: &EditorSnapshot,
5974 line_height: Pixels,
5975 gutter_bounds: Bounds<Pixels>,
5976 hunk: &DisplayDiffHunk,
5977 ) -> Bounds<Pixels> {
5978 let scroll_position = snapshot.scroll_position();
5979 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
5980 let gutter_strip_width = Self::gutter_strip_width(line_height);
5981
5982 match hunk {
5983 DisplayDiffHunk::Folded { display_row, .. } => {
5984 let start_y = (display_row.as_f64() * ScrollPixelOffset::from(line_height)
5985 - scroll_top)
5986 .into();
5987 let end_y = start_y + line_height;
5988 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
5989 let highlight_size = size(gutter_strip_width, end_y - start_y);
5990 Bounds::new(highlight_origin, highlight_size)
5991 }
5992 DisplayDiffHunk::Unfolded {
5993 display_row_range,
5994 status,
5995 ..
5996 } => {
5997 if status.is_deleted() && display_row_range.is_empty() {
5998 let row = display_row_range.start;
5999
6000 let offset = ScrollPixelOffset::from(line_height / 2.);
6001 let start_y =
6002 (row.as_f64() * ScrollPixelOffset::from(line_height) - offset - scroll_top)
6003 .into();
6004 let end_y = start_y + line_height;
6005
6006 let width = (0.35 * line_height).floor();
6007 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6008 let highlight_size = size(width, end_y - start_y);
6009 Bounds::new(highlight_origin, highlight_size)
6010 } else {
6011 let start_row = display_row_range.start;
6012 let end_row = display_row_range.end;
6013 // If we're in a multibuffer, row range span might include an
6014 // excerpt header, so if we were to draw the marker straight away,
6015 // the hunk might include the rows of that header.
6016 // Making the range inclusive doesn't quite cut it, as we rely on the exclusivity for the soft wrap.
6017 // Instead, we simply check whether the range we're dealing with includes
6018 // any excerpt headers and if so, we stop painting the diff hunk on the first row of that header.
6019 let end_row_in_current_excerpt = snapshot
6020 .blocks_in_range(start_row..end_row)
6021 .find_map(|(start_row, block)| {
6022 if matches!(
6023 block,
6024 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
6025 ) {
6026 Some(start_row)
6027 } else {
6028 None
6029 }
6030 })
6031 .unwrap_or(end_row);
6032
6033 let start_y = (start_row.as_f64() * ScrollPixelOffset::from(line_height)
6034 - scroll_top)
6035 .into();
6036 let end_y = Pixels::from(
6037 end_row_in_current_excerpt.as_f64() * ScrollPixelOffset::from(line_height)
6038 - scroll_top,
6039 );
6040
6041 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6042 let highlight_size = size(gutter_strip_width, end_y - start_y);
6043 Bounds::new(highlight_origin, highlight_size)
6044 }
6045 }
6046 }
6047 }
6048
6049 fn paint_gutter_indicators(
6050 &self,
6051 layout: &mut EditorLayout,
6052 window: &mut Window,
6053 cx: &mut App,
6054 ) {
6055 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6056 window.with_element_namespace("crease_toggles", |window| {
6057 for crease_toggle in layout.crease_toggles.iter_mut().flatten() {
6058 crease_toggle.paint(window, cx);
6059 }
6060 });
6061
6062 window.with_element_namespace("expand_toggles", |window| {
6063 for (expand_toggle, _) in layout.expand_toggles.iter_mut().flatten() {
6064 expand_toggle.paint(window, cx);
6065 }
6066 });
6067
6068 for breakpoint in layout.breakpoints.iter_mut() {
6069 breakpoint.paint(window, cx);
6070 }
6071
6072 for test_indicator in layout.test_indicators.iter_mut() {
6073 test_indicator.paint(window, cx);
6074 }
6075 });
6076 }
6077
6078 fn paint_gutter_highlights(
6079 &self,
6080 layout: &mut EditorLayout,
6081 window: &mut Window,
6082 cx: &mut App,
6083 ) {
6084 for (_, hunk_hitbox) in &layout.display_hunks {
6085 if let Some(hunk_hitbox) = hunk_hitbox
6086 && !self
6087 .editor
6088 .read(cx)
6089 .buffer()
6090 .read(cx)
6091 .all_diff_hunks_expanded()
6092 {
6093 window.set_cursor_style(CursorStyle::PointingHand, hunk_hitbox);
6094 }
6095 }
6096
6097 let show_git_gutter = layout
6098 .position_map
6099 .snapshot
6100 .show_git_diff_gutter
6101 .unwrap_or_else(|| {
6102 matches!(
6103 ProjectSettings::get_global(cx).git.git_gutter,
6104 GitGutterSetting::TrackedFiles
6105 )
6106 });
6107 if show_git_gutter {
6108 Self::paint_gutter_diff_hunks(layout, window, cx)
6109 }
6110
6111 let highlight_width = 0.275 * layout.position_map.line_height;
6112 let highlight_corner_radii = Corners::all(0.05 * layout.position_map.line_height);
6113 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6114 for (range, color) in &layout.highlighted_gutter_ranges {
6115 let start_row = if range.start.row() < layout.visible_display_row_range.start {
6116 layout.visible_display_row_range.start - DisplayRow(1)
6117 } else {
6118 range.start.row()
6119 };
6120 let end_row = if range.end.row() > layout.visible_display_row_range.end {
6121 layout.visible_display_row_range.end + DisplayRow(1)
6122 } else {
6123 range.end.row()
6124 };
6125
6126 let start_y = layout.gutter_hitbox.top()
6127 + Pixels::from(
6128 start_row.0 as f64
6129 * ScrollPixelOffset::from(layout.position_map.line_height)
6130 - layout.position_map.scroll_pixel_position.y,
6131 );
6132 let end_y = layout.gutter_hitbox.top()
6133 + Pixels::from(
6134 (end_row.0 + 1) as f64
6135 * ScrollPixelOffset::from(layout.position_map.line_height)
6136 - layout.position_map.scroll_pixel_position.y,
6137 );
6138 let bounds = Bounds::from_corners(
6139 point(layout.gutter_hitbox.left(), start_y),
6140 point(layout.gutter_hitbox.left() + highlight_width, end_y),
6141 );
6142 window.paint_quad(fill(bounds, *color).corner_radii(highlight_corner_radii));
6143 }
6144 });
6145 }
6146
6147 fn paint_blamed_display_rows(
6148 &self,
6149 layout: &mut EditorLayout,
6150 window: &mut Window,
6151 cx: &mut App,
6152 ) {
6153 let Some(blamed_display_rows) = layout.blamed_display_rows.take() else {
6154 return;
6155 };
6156
6157 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6158 for mut blame_element in blamed_display_rows.into_iter() {
6159 blame_element.paint(window, cx);
6160 }
6161 })
6162 }
6163
6164 fn paint_text(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6165 window.with_content_mask(
6166 Some(ContentMask {
6167 bounds: layout.position_map.text_hitbox.bounds,
6168 }),
6169 |window| {
6170 let editor = self.editor.read(cx);
6171 if editor.mouse_cursor_hidden {
6172 window.set_window_cursor_style(CursorStyle::None);
6173 } else if let SelectionDragState::ReadyToDrag {
6174 mouse_down_time, ..
6175 } = &editor.selection_drag_state
6176 {
6177 let drag_and_drop_delay = Duration::from_millis(
6178 EditorSettings::get_global(cx)
6179 .drag_and_drop_selection
6180 .delay
6181 .0,
6182 );
6183 if mouse_down_time.elapsed() >= drag_and_drop_delay {
6184 window.set_cursor_style(
6185 CursorStyle::DragCopy,
6186 &layout.position_map.text_hitbox,
6187 );
6188 }
6189 } else if matches!(
6190 editor.selection_drag_state,
6191 SelectionDragState::Dragging { .. }
6192 ) {
6193 window
6194 .set_cursor_style(CursorStyle::DragCopy, &layout.position_map.text_hitbox);
6195 } else if editor
6196 .hovered_link_state
6197 .as_ref()
6198 .is_some_and(|hovered_link_state| !hovered_link_state.links.is_empty())
6199 {
6200 window.set_cursor_style(
6201 CursorStyle::PointingHand,
6202 &layout.position_map.text_hitbox,
6203 );
6204 } else {
6205 window.set_cursor_style(CursorStyle::IBeam, &layout.position_map.text_hitbox);
6206 };
6207
6208 self.paint_lines_background(layout, window, cx);
6209 let invisible_display_ranges = self.paint_highlights(layout, window, cx);
6210 self.paint_document_colors(layout, window);
6211 self.paint_lines(&invisible_display_ranges, layout, window, cx);
6212 self.paint_redactions(layout, window);
6213 self.paint_cursors(layout, window, cx);
6214 self.paint_inline_diagnostics(layout, window, cx);
6215 self.paint_inline_blame(layout, window, cx);
6216 self.paint_inline_code_actions(layout, window, cx);
6217 self.paint_diff_hunk_controls(layout, window, cx);
6218 window.with_element_namespace("crease_trailers", |window| {
6219 for trailer in layout.crease_trailers.iter_mut().flatten() {
6220 trailer.element.paint(window, cx);
6221 }
6222 });
6223 },
6224 )
6225 }
6226
6227 fn paint_highlights(
6228 &mut self,
6229 layout: &mut EditorLayout,
6230 window: &mut Window,
6231 cx: &mut App,
6232 ) -> SmallVec<[Range<DisplayPoint>; 32]> {
6233 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6234 let mut invisible_display_ranges = SmallVec::<[Range<DisplayPoint>; 32]>::new();
6235 let line_end_overshoot = 0.15 * layout.position_map.line_height;
6236 for (range, color) in &layout.highlighted_ranges {
6237 self.paint_highlighted_range(
6238 range.clone(),
6239 true,
6240 *color,
6241 Pixels::ZERO,
6242 line_end_overshoot,
6243 layout,
6244 window,
6245 );
6246 }
6247
6248 let corner_radius = if EditorSettings::get_global(cx).rounded_selection {
6249 0.15 * layout.position_map.line_height
6250 } else {
6251 Pixels::ZERO
6252 };
6253
6254 for (player_color, selections) in &layout.selections {
6255 for selection in selections.iter() {
6256 self.paint_highlighted_range(
6257 selection.range.clone(),
6258 true,
6259 player_color.selection,
6260 corner_radius,
6261 corner_radius * 2.,
6262 layout,
6263 window,
6264 );
6265
6266 if selection.is_local && !selection.range.is_empty() {
6267 invisible_display_ranges.push(selection.range.clone());
6268 }
6269 }
6270 }
6271 invisible_display_ranges
6272 })
6273 }
6274
6275 fn paint_lines(
6276 &mut self,
6277 invisible_display_ranges: &[Range<DisplayPoint>],
6278 layout: &mut EditorLayout,
6279 window: &mut Window,
6280 cx: &mut App,
6281 ) {
6282 let whitespace_setting = self
6283 .editor
6284 .read(cx)
6285 .buffer
6286 .read(cx)
6287 .language_settings(cx)
6288 .show_whitespaces;
6289
6290 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6291 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6292 line_with_invisibles.draw(
6293 layout,
6294 row,
6295 layout.content_origin,
6296 whitespace_setting,
6297 invisible_display_ranges,
6298 window,
6299 cx,
6300 )
6301 }
6302
6303 for line_element in &mut layout.line_elements {
6304 line_element.paint(window, cx);
6305 }
6306 }
6307
6308 fn paint_lines_background(
6309 &mut self,
6310 layout: &mut EditorLayout,
6311 window: &mut Window,
6312 cx: &mut App,
6313 ) {
6314 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6315 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6316 line_with_invisibles.draw_background(layout, row, layout.content_origin, window, cx);
6317 }
6318 }
6319
6320 fn paint_redactions(&mut self, layout: &EditorLayout, window: &mut Window) {
6321 if layout.redacted_ranges.is_empty() {
6322 return;
6323 }
6324
6325 let line_end_overshoot = layout.line_end_overshoot();
6326
6327 // A softer than perfect black
6328 let redaction_color = gpui::rgb(0x0e1111);
6329
6330 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6331 for range in layout.redacted_ranges.iter() {
6332 self.paint_highlighted_range(
6333 range.clone(),
6334 true,
6335 redaction_color.into(),
6336 Pixels::ZERO,
6337 line_end_overshoot,
6338 layout,
6339 window,
6340 );
6341 }
6342 });
6343 }
6344
6345 fn paint_document_colors(&self, layout: &mut EditorLayout, window: &mut Window) {
6346 let Some((colors_render_mode, image_colors)) = &layout.document_colors else {
6347 return;
6348 };
6349 if image_colors.is_empty()
6350 || colors_render_mode == &DocumentColorsRenderMode::None
6351 || colors_render_mode == &DocumentColorsRenderMode::Inlay
6352 {
6353 return;
6354 }
6355
6356 let line_end_overshoot = layout.line_end_overshoot();
6357
6358 for (range, color) in image_colors {
6359 match colors_render_mode {
6360 DocumentColorsRenderMode::Inlay | DocumentColorsRenderMode::None => return,
6361 DocumentColorsRenderMode::Background => {
6362 self.paint_highlighted_range(
6363 range.clone(),
6364 true,
6365 *color,
6366 Pixels::ZERO,
6367 line_end_overshoot,
6368 layout,
6369 window,
6370 );
6371 }
6372 DocumentColorsRenderMode::Border => {
6373 self.paint_highlighted_range(
6374 range.clone(),
6375 false,
6376 *color,
6377 Pixels::ZERO,
6378 line_end_overshoot,
6379 layout,
6380 window,
6381 );
6382 }
6383 }
6384 }
6385 }
6386
6387 fn paint_cursors(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6388 for cursor in &mut layout.visible_cursors {
6389 cursor.paint(layout.content_origin, window, cx);
6390 }
6391 }
6392
6393 fn paint_scrollbars(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6394 let Some(scrollbars_layout) = layout.scrollbars_layout.take() else {
6395 return;
6396 };
6397 let any_scrollbar_dragged = self.editor.read(cx).scroll_manager.any_scrollbar_dragged();
6398
6399 for (scrollbar_layout, axis) in scrollbars_layout.iter_scrollbars() {
6400 let hitbox = &scrollbar_layout.hitbox;
6401 if scrollbars_layout.visible {
6402 let scrollbar_edges = match axis {
6403 ScrollbarAxis::Horizontal => Edges {
6404 top: Pixels::ZERO,
6405 right: Pixels::ZERO,
6406 bottom: Pixels::ZERO,
6407 left: Pixels::ZERO,
6408 },
6409 ScrollbarAxis::Vertical => Edges {
6410 top: Pixels::ZERO,
6411 right: Pixels::ZERO,
6412 bottom: Pixels::ZERO,
6413 left: ScrollbarLayout::BORDER_WIDTH,
6414 },
6415 };
6416
6417 window.paint_layer(hitbox.bounds, |window| {
6418 window.paint_quad(quad(
6419 hitbox.bounds,
6420 Corners::default(),
6421 cx.theme().colors().scrollbar_track_background,
6422 scrollbar_edges,
6423 cx.theme().colors().scrollbar_track_border,
6424 BorderStyle::Solid,
6425 ));
6426
6427 if axis == ScrollbarAxis::Vertical {
6428 let fast_markers =
6429 self.collect_fast_scrollbar_markers(layout, scrollbar_layout, cx);
6430 // Refresh slow scrollbar markers in the background. Below, we
6431 // paint whatever markers have already been computed.
6432 self.refresh_slow_scrollbar_markers(layout, scrollbar_layout, window, cx);
6433
6434 let markers = self.editor.read(cx).scrollbar_marker_state.markers.clone();
6435 for marker in markers.iter().chain(&fast_markers) {
6436 let mut marker = marker.clone();
6437 marker.bounds.origin += hitbox.origin;
6438 window.paint_quad(marker);
6439 }
6440 }
6441
6442 if let Some(thumb_bounds) = scrollbar_layout.thumb_bounds {
6443 let scrollbar_thumb_color = match scrollbar_layout.thumb_state {
6444 ScrollbarThumbState::Dragging => {
6445 cx.theme().colors().scrollbar_thumb_active_background
6446 }
6447 ScrollbarThumbState::Hovered => {
6448 cx.theme().colors().scrollbar_thumb_hover_background
6449 }
6450 ScrollbarThumbState::Idle => {
6451 cx.theme().colors().scrollbar_thumb_background
6452 }
6453 };
6454 window.paint_quad(quad(
6455 thumb_bounds,
6456 Corners::default(),
6457 scrollbar_thumb_color,
6458 scrollbar_edges,
6459 cx.theme().colors().scrollbar_thumb_border,
6460 BorderStyle::Solid,
6461 ));
6462
6463 if any_scrollbar_dragged {
6464 window.set_window_cursor_style(CursorStyle::Arrow);
6465 } else {
6466 window.set_cursor_style(CursorStyle::Arrow, hitbox);
6467 }
6468 }
6469 })
6470 }
6471 }
6472
6473 window.on_mouse_event({
6474 let editor = self.editor.clone();
6475 let scrollbars_layout = scrollbars_layout.clone();
6476
6477 let mut mouse_position = window.mouse_position();
6478 move |event: &MouseMoveEvent, phase, window, cx| {
6479 if phase == DispatchPhase::Capture {
6480 return;
6481 }
6482
6483 editor.update(cx, |editor, cx| {
6484 if let Some((scrollbar_layout, axis)) = event
6485 .pressed_button
6486 .filter(|button| *button == MouseButton::Left)
6487 .and(editor.scroll_manager.dragging_scrollbar_axis())
6488 .and_then(|axis| {
6489 scrollbars_layout
6490 .iter_scrollbars()
6491 .find(|(_, a)| *a == axis)
6492 })
6493 {
6494 let ScrollbarLayout {
6495 hitbox,
6496 text_unit_size,
6497 ..
6498 } = scrollbar_layout;
6499
6500 let old_position = mouse_position.along(axis);
6501 let new_position = event.position.along(axis);
6502 if (hitbox.origin.along(axis)..hitbox.bottom_right().along(axis))
6503 .contains(&old_position)
6504 {
6505 let position = editor.scroll_position(cx).apply_along(axis, |p| {
6506 (p + ScrollOffset::from(
6507 (new_position - old_position) / *text_unit_size,
6508 ))
6509 .max(0.)
6510 });
6511 editor.set_scroll_position(position, window, cx);
6512 }
6513
6514 editor.scroll_manager.show_scrollbars(window, cx);
6515 cx.stop_propagation();
6516 } else if let Some((layout, axis)) = scrollbars_layout
6517 .get_hovered_axis(window)
6518 .filter(|_| !event.dragging())
6519 {
6520 if layout.thumb_hovered(&event.position) {
6521 editor
6522 .scroll_manager
6523 .set_hovered_scroll_thumb_axis(axis, cx);
6524 } else {
6525 editor.scroll_manager.reset_scrollbar_state(cx);
6526 }
6527
6528 editor.scroll_manager.show_scrollbars(window, cx);
6529 } else {
6530 editor.scroll_manager.reset_scrollbar_state(cx);
6531 }
6532
6533 mouse_position = event.position;
6534 })
6535 }
6536 });
6537
6538 if any_scrollbar_dragged {
6539 window.on_mouse_event({
6540 let editor = self.editor.clone();
6541 move |_: &MouseUpEvent, phase, window, cx| {
6542 if phase == DispatchPhase::Capture {
6543 return;
6544 }
6545
6546 editor.update(cx, |editor, cx| {
6547 if let Some((_, axis)) = scrollbars_layout.get_hovered_axis(window) {
6548 editor
6549 .scroll_manager
6550 .set_hovered_scroll_thumb_axis(axis, cx);
6551 } else {
6552 editor.scroll_manager.reset_scrollbar_state(cx);
6553 }
6554 cx.stop_propagation();
6555 });
6556 }
6557 });
6558 } else {
6559 window.on_mouse_event({
6560 let editor = self.editor.clone();
6561
6562 move |event: &MouseDownEvent, phase, window, cx| {
6563 if phase == DispatchPhase::Capture {
6564 return;
6565 }
6566 let Some((scrollbar_layout, axis)) = scrollbars_layout.get_hovered_axis(window)
6567 else {
6568 return;
6569 };
6570
6571 let ScrollbarLayout {
6572 hitbox,
6573 visible_range,
6574 text_unit_size,
6575 thumb_bounds,
6576 ..
6577 } = scrollbar_layout;
6578
6579 let Some(thumb_bounds) = thumb_bounds else {
6580 return;
6581 };
6582
6583 editor.update(cx, |editor, cx| {
6584 editor
6585 .scroll_manager
6586 .set_dragged_scroll_thumb_axis(axis, cx);
6587
6588 let event_position = event.position.along(axis);
6589
6590 if event_position < thumb_bounds.origin.along(axis)
6591 || thumb_bounds.bottom_right().along(axis) < event_position
6592 {
6593 let center_position = ((event_position - hitbox.origin.along(axis))
6594 / *text_unit_size)
6595 .round() as u32;
6596 let start_position = center_position.saturating_sub(
6597 (visible_range.end - visible_range.start) as u32 / 2,
6598 );
6599
6600 let position = editor
6601 .scroll_position(cx)
6602 .apply_along(axis, |_| start_position as ScrollOffset);
6603
6604 editor.set_scroll_position(position, window, cx);
6605 } else {
6606 editor.scroll_manager.show_scrollbars(window, cx);
6607 }
6608
6609 cx.stop_propagation();
6610 });
6611 }
6612 });
6613 }
6614 }
6615
6616 fn collect_fast_scrollbar_markers(
6617 &self,
6618 layout: &EditorLayout,
6619 scrollbar_layout: &ScrollbarLayout,
6620 cx: &mut App,
6621 ) -> Vec<PaintQuad> {
6622 const LIMIT: usize = 100;
6623 if !EditorSettings::get_global(cx).scrollbar.cursors || layout.cursors.len() > LIMIT {
6624 return vec![];
6625 }
6626 let cursor_ranges = layout
6627 .cursors
6628 .iter()
6629 .map(|(point, color)| ColoredRange {
6630 start: point.row(),
6631 end: point.row(),
6632 color: *color,
6633 })
6634 .collect_vec();
6635 scrollbar_layout.marker_quads_for_ranges(cursor_ranges, None)
6636 }
6637
6638 fn refresh_slow_scrollbar_markers(
6639 &self,
6640 layout: &EditorLayout,
6641 scrollbar_layout: &ScrollbarLayout,
6642 window: &mut Window,
6643 cx: &mut App,
6644 ) {
6645 self.editor.update(cx, |editor, cx| {
6646 if editor.buffer_kind(cx) != ItemBufferKind::Singleton
6647 || !editor
6648 .scrollbar_marker_state
6649 .should_refresh(scrollbar_layout.hitbox.size)
6650 {
6651 return;
6652 }
6653
6654 let scrollbar_layout = scrollbar_layout.clone();
6655 let background_highlights = editor.background_highlights.clone();
6656 let snapshot = layout.position_map.snapshot.clone();
6657 let theme = cx.theme().clone();
6658 let scrollbar_settings = EditorSettings::get_global(cx).scrollbar;
6659
6660 editor.scrollbar_marker_state.dirty = false;
6661 editor.scrollbar_marker_state.pending_refresh =
6662 Some(cx.spawn_in(window, async move |editor, cx| {
6663 let scrollbar_size = scrollbar_layout.hitbox.size;
6664 let scrollbar_markers = cx
6665 .background_spawn(async move {
6666 let max_point = snapshot.display_snapshot.buffer_snapshot().max_point();
6667 let mut marker_quads = Vec::new();
6668 if scrollbar_settings.git_diff {
6669 let marker_row_ranges =
6670 snapshot.buffer_snapshot().diff_hunks().map(|hunk| {
6671 let start_display_row =
6672 MultiBufferPoint::new(hunk.row_range.start.0, 0)
6673 .to_display_point(&snapshot.display_snapshot)
6674 .row();
6675 let mut end_display_row =
6676 MultiBufferPoint::new(hunk.row_range.end.0, 0)
6677 .to_display_point(&snapshot.display_snapshot)
6678 .row();
6679 if end_display_row != start_display_row {
6680 end_display_row.0 -= 1;
6681 }
6682 let color = match &hunk.status().kind {
6683 DiffHunkStatusKind::Added => {
6684 theme.colors().version_control_added
6685 }
6686 DiffHunkStatusKind::Modified => {
6687 theme.colors().version_control_modified
6688 }
6689 DiffHunkStatusKind::Deleted => {
6690 theme.colors().version_control_deleted
6691 }
6692 };
6693 ColoredRange {
6694 start: start_display_row,
6695 end: end_display_row,
6696 color,
6697 }
6698 });
6699
6700 marker_quads.extend(
6701 scrollbar_layout
6702 .marker_quads_for_ranges(marker_row_ranges, Some(0)),
6703 );
6704 }
6705
6706 for (background_highlight_id, (_, background_ranges)) in
6707 background_highlights.iter()
6708 {
6709 let is_search_highlights = *background_highlight_id
6710 == HighlightKey::Type(TypeId::of::<BufferSearchHighlights>());
6711 let is_text_highlights = *background_highlight_id
6712 == HighlightKey::Type(TypeId::of::<SelectedTextHighlight>());
6713 let is_symbol_occurrences = *background_highlight_id
6714 == HighlightKey::Type(TypeId::of::<DocumentHighlightRead>())
6715 || *background_highlight_id
6716 == HighlightKey::Type(
6717 TypeId::of::<DocumentHighlightWrite>(),
6718 );
6719 if (is_search_highlights && scrollbar_settings.search_results)
6720 || (is_text_highlights && scrollbar_settings.selected_text)
6721 || (is_symbol_occurrences && scrollbar_settings.selected_symbol)
6722 {
6723 let mut color = theme.status().info;
6724 if is_symbol_occurrences {
6725 color.fade_out(0.5);
6726 }
6727 let marker_row_ranges = background_ranges.iter().map(|range| {
6728 let display_start = range
6729 .start
6730 .to_display_point(&snapshot.display_snapshot);
6731 let display_end =
6732 range.end.to_display_point(&snapshot.display_snapshot);
6733 ColoredRange {
6734 start: display_start.row(),
6735 end: display_end.row(),
6736 color,
6737 }
6738 });
6739 marker_quads.extend(
6740 scrollbar_layout
6741 .marker_quads_for_ranges(marker_row_ranges, Some(1)),
6742 );
6743 }
6744 }
6745
6746 if scrollbar_settings.diagnostics != ScrollbarDiagnostics::None {
6747 let diagnostics = snapshot
6748 .buffer_snapshot()
6749 .diagnostics_in_range::<Point>(Point::zero()..max_point)
6750 // Don't show diagnostics the user doesn't care about
6751 .filter(|diagnostic| {
6752 match (
6753 scrollbar_settings.diagnostics,
6754 diagnostic.diagnostic.severity,
6755 ) {
6756 (ScrollbarDiagnostics::All, _) => true,
6757 (
6758 ScrollbarDiagnostics::Error,
6759 lsp::DiagnosticSeverity::ERROR,
6760 ) => true,
6761 (
6762 ScrollbarDiagnostics::Warning,
6763 lsp::DiagnosticSeverity::ERROR
6764 | lsp::DiagnosticSeverity::WARNING,
6765 ) => true,
6766 (
6767 ScrollbarDiagnostics::Information,
6768 lsp::DiagnosticSeverity::ERROR
6769 | lsp::DiagnosticSeverity::WARNING
6770 | lsp::DiagnosticSeverity::INFORMATION,
6771 ) => true,
6772 (_, _) => false,
6773 }
6774 })
6775 // We want to sort by severity, in order to paint the most severe diagnostics last.
6776 .sorted_by_key(|diagnostic| {
6777 std::cmp::Reverse(diagnostic.diagnostic.severity)
6778 });
6779
6780 let marker_row_ranges = diagnostics.into_iter().map(|diagnostic| {
6781 let start_display = diagnostic
6782 .range
6783 .start
6784 .to_display_point(&snapshot.display_snapshot);
6785 let end_display = diagnostic
6786 .range
6787 .end
6788 .to_display_point(&snapshot.display_snapshot);
6789 let color = match diagnostic.diagnostic.severity {
6790 lsp::DiagnosticSeverity::ERROR => theme.status().error,
6791 lsp::DiagnosticSeverity::WARNING => theme.status().warning,
6792 lsp::DiagnosticSeverity::INFORMATION => theme.status().info,
6793 _ => theme.status().hint,
6794 };
6795 ColoredRange {
6796 start: start_display.row(),
6797 end: end_display.row(),
6798 color,
6799 }
6800 });
6801 marker_quads.extend(
6802 scrollbar_layout
6803 .marker_quads_for_ranges(marker_row_ranges, Some(2)),
6804 );
6805 }
6806
6807 Arc::from(marker_quads)
6808 })
6809 .await;
6810
6811 editor.update(cx, |editor, cx| {
6812 editor.scrollbar_marker_state.markers = scrollbar_markers;
6813 editor.scrollbar_marker_state.scrollbar_size = scrollbar_size;
6814 editor.scrollbar_marker_state.pending_refresh = None;
6815 cx.notify();
6816 })?;
6817
6818 Ok(())
6819 }));
6820 });
6821 }
6822
6823 fn paint_highlighted_range(
6824 &self,
6825 range: Range<DisplayPoint>,
6826 fill: bool,
6827 color: Hsla,
6828 corner_radius: Pixels,
6829 line_end_overshoot: Pixels,
6830 layout: &EditorLayout,
6831 window: &mut Window,
6832 ) {
6833 let start_row = layout.visible_display_row_range.start;
6834 let end_row = layout.visible_display_row_range.end;
6835 if range.start != range.end {
6836 let row_range = if range.end.column() == 0 {
6837 cmp::max(range.start.row(), start_row)..cmp::min(range.end.row(), end_row)
6838 } else {
6839 cmp::max(range.start.row(), start_row)
6840 ..cmp::min(range.end.row().next_row(), end_row)
6841 };
6842
6843 let highlighted_range = HighlightedRange {
6844 color,
6845 line_height: layout.position_map.line_height,
6846 corner_radius,
6847 start_y: layout.content_origin.y
6848 + Pixels::from(
6849 (row_range.start.as_f64() - layout.position_map.scroll_position.y)
6850 * ScrollOffset::from(layout.position_map.line_height),
6851 ),
6852 lines: row_range
6853 .iter_rows()
6854 .map(|row| {
6855 let line_layout =
6856 &layout.position_map.line_layouts[row.minus(start_row) as usize];
6857 HighlightedRangeLine {
6858 start_x: if row == range.start.row() {
6859 layout.content_origin.x
6860 + Pixels::from(
6861 ScrollPixelOffset::from(
6862 line_layout.x_for_index(range.start.column() as usize),
6863 ) - layout.position_map.scroll_pixel_position.x,
6864 )
6865 } else {
6866 layout.content_origin.x
6867 - Pixels::from(layout.position_map.scroll_pixel_position.x)
6868 },
6869 end_x: if row == range.end.row() {
6870 layout.content_origin.x
6871 + Pixels::from(
6872 ScrollPixelOffset::from(
6873 line_layout.x_for_index(range.end.column() as usize),
6874 ) - layout.position_map.scroll_pixel_position.x,
6875 )
6876 } else {
6877 Pixels::from(
6878 ScrollPixelOffset::from(
6879 layout.content_origin.x
6880 + line_layout.width
6881 + line_end_overshoot,
6882 ) - layout.position_map.scroll_pixel_position.x,
6883 )
6884 },
6885 }
6886 })
6887 .collect(),
6888 };
6889
6890 highlighted_range.paint(fill, layout.position_map.text_hitbox.bounds, window);
6891 }
6892 }
6893
6894 fn paint_inline_diagnostics(
6895 &mut self,
6896 layout: &mut EditorLayout,
6897 window: &mut Window,
6898 cx: &mut App,
6899 ) {
6900 for mut inline_diagnostic in layout.inline_diagnostics.drain() {
6901 inline_diagnostic.1.paint(window, cx);
6902 }
6903 }
6904
6905 fn paint_inline_blame(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6906 if let Some(mut blame_layout) = layout.inline_blame_layout.take() {
6907 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6908 blame_layout.element.paint(window, cx);
6909 })
6910 }
6911 }
6912
6913 fn paint_inline_code_actions(
6914 &mut self,
6915 layout: &mut EditorLayout,
6916 window: &mut Window,
6917 cx: &mut App,
6918 ) {
6919 if let Some(mut inline_code_actions) = layout.inline_code_actions.take() {
6920 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6921 inline_code_actions.paint(window, cx);
6922 })
6923 }
6924 }
6925
6926 fn paint_diff_hunk_controls(
6927 &mut self,
6928 layout: &mut EditorLayout,
6929 window: &mut Window,
6930 cx: &mut App,
6931 ) {
6932 for mut diff_hunk_control in layout.diff_hunk_controls.drain(..) {
6933 diff_hunk_control.paint(window, cx);
6934 }
6935 }
6936
6937 fn paint_minimap(&self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6938 if let Some(mut layout) = layout.minimap.take() {
6939 let minimap_hitbox = layout.thumb_layout.hitbox.clone();
6940 let dragging_minimap = self.editor.read(cx).scroll_manager.is_dragging_minimap();
6941
6942 window.paint_layer(layout.thumb_layout.hitbox.bounds, |window| {
6943 window.with_element_namespace("minimap", |window| {
6944 layout.minimap.paint(window, cx);
6945 if let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds {
6946 let minimap_thumb_color = match layout.thumb_layout.thumb_state {
6947 ScrollbarThumbState::Idle => {
6948 cx.theme().colors().minimap_thumb_background
6949 }
6950 ScrollbarThumbState::Hovered => {
6951 cx.theme().colors().minimap_thumb_hover_background
6952 }
6953 ScrollbarThumbState::Dragging => {
6954 cx.theme().colors().minimap_thumb_active_background
6955 }
6956 };
6957 let minimap_thumb_border = match layout.thumb_border_style {
6958 MinimapThumbBorder::Full => Edges::all(ScrollbarLayout::BORDER_WIDTH),
6959 MinimapThumbBorder::LeftOnly => Edges {
6960 left: ScrollbarLayout::BORDER_WIDTH,
6961 ..Default::default()
6962 },
6963 MinimapThumbBorder::LeftOpen => Edges {
6964 right: ScrollbarLayout::BORDER_WIDTH,
6965 top: ScrollbarLayout::BORDER_WIDTH,
6966 bottom: ScrollbarLayout::BORDER_WIDTH,
6967 ..Default::default()
6968 },
6969 MinimapThumbBorder::RightOpen => Edges {
6970 left: ScrollbarLayout::BORDER_WIDTH,
6971 top: ScrollbarLayout::BORDER_WIDTH,
6972 bottom: ScrollbarLayout::BORDER_WIDTH,
6973 ..Default::default()
6974 },
6975 MinimapThumbBorder::None => Default::default(),
6976 };
6977
6978 window.paint_layer(minimap_hitbox.bounds, |window| {
6979 window.paint_quad(quad(
6980 thumb_bounds,
6981 Corners::default(),
6982 minimap_thumb_color,
6983 minimap_thumb_border,
6984 cx.theme().colors().minimap_thumb_border,
6985 BorderStyle::Solid,
6986 ));
6987 });
6988 }
6989 });
6990 });
6991
6992 if dragging_minimap {
6993 window.set_window_cursor_style(CursorStyle::Arrow);
6994 } else {
6995 window.set_cursor_style(CursorStyle::Arrow, &minimap_hitbox);
6996 }
6997
6998 let minimap_axis = ScrollbarAxis::Vertical;
6999 let pixels_per_line = Pixels::from(
7000 ScrollPixelOffset::from(minimap_hitbox.size.height) / layout.max_scroll_top,
7001 )
7002 .min(layout.minimap_line_height);
7003
7004 let mut mouse_position = window.mouse_position();
7005
7006 window.on_mouse_event({
7007 let editor = self.editor.clone();
7008
7009 let minimap_hitbox = minimap_hitbox.clone();
7010
7011 move |event: &MouseMoveEvent, phase, window, cx| {
7012 if phase == DispatchPhase::Capture {
7013 return;
7014 }
7015
7016 editor.update(cx, |editor, cx| {
7017 if event.pressed_button == Some(MouseButton::Left)
7018 && editor.scroll_manager.is_dragging_minimap()
7019 {
7020 let old_position = mouse_position.along(minimap_axis);
7021 let new_position = event.position.along(minimap_axis);
7022 if (minimap_hitbox.origin.along(minimap_axis)
7023 ..minimap_hitbox.bottom_right().along(minimap_axis))
7024 .contains(&old_position)
7025 {
7026 let position =
7027 editor.scroll_position(cx).apply_along(minimap_axis, |p| {
7028 (p + ScrollPixelOffset::from(
7029 (new_position - old_position) / pixels_per_line,
7030 ))
7031 .max(0.)
7032 });
7033
7034 editor.set_scroll_position(position, window, cx);
7035 }
7036 cx.stop_propagation();
7037 } else if minimap_hitbox.is_hovered(window) {
7038 editor.scroll_manager.set_is_hovering_minimap_thumb(
7039 !event.dragging()
7040 && layout
7041 .thumb_layout
7042 .thumb_bounds
7043 .is_some_and(|bounds| bounds.contains(&event.position)),
7044 cx,
7045 );
7046
7047 // Stop hover events from propagating to the
7048 // underlying editor if the minimap hitbox is hovered
7049 if !event.dragging() {
7050 cx.stop_propagation();
7051 }
7052 } else {
7053 editor.scroll_manager.hide_minimap_thumb(cx);
7054 }
7055 mouse_position = event.position;
7056 });
7057 }
7058 });
7059
7060 if dragging_minimap {
7061 window.on_mouse_event({
7062 let editor = self.editor.clone();
7063 move |event: &MouseUpEvent, phase, window, cx| {
7064 if phase == DispatchPhase::Capture {
7065 return;
7066 }
7067
7068 editor.update(cx, |editor, cx| {
7069 if minimap_hitbox.is_hovered(window) {
7070 editor.scroll_manager.set_is_hovering_minimap_thumb(
7071 layout
7072 .thumb_layout
7073 .thumb_bounds
7074 .is_some_and(|bounds| bounds.contains(&event.position)),
7075 cx,
7076 );
7077 } else {
7078 editor.scroll_manager.hide_minimap_thumb(cx);
7079 }
7080 cx.stop_propagation();
7081 });
7082 }
7083 });
7084 } else {
7085 window.on_mouse_event({
7086 let editor = self.editor.clone();
7087
7088 move |event: &MouseDownEvent, phase, window, cx| {
7089 if phase == DispatchPhase::Capture || !minimap_hitbox.is_hovered(window) {
7090 return;
7091 }
7092
7093 let event_position = event.position;
7094
7095 let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds else {
7096 return;
7097 };
7098
7099 editor.update(cx, |editor, cx| {
7100 if !thumb_bounds.contains(&event_position) {
7101 let click_position =
7102 event_position.relative_to(&minimap_hitbox.origin).y;
7103
7104 let top_position = (click_position
7105 - thumb_bounds.size.along(minimap_axis) / 2.0)
7106 .max(Pixels::ZERO);
7107
7108 let scroll_offset = (layout.minimap_scroll_top
7109 + ScrollPixelOffset::from(
7110 top_position / layout.minimap_line_height,
7111 ))
7112 .min(layout.max_scroll_top);
7113
7114 let scroll_position = editor
7115 .scroll_position(cx)
7116 .apply_along(minimap_axis, |_| scroll_offset);
7117 editor.set_scroll_position(scroll_position, window, cx);
7118 }
7119
7120 editor.scroll_manager.set_is_dragging_minimap(cx);
7121 cx.stop_propagation();
7122 });
7123 }
7124 });
7125 }
7126 }
7127 }
7128
7129 fn paint_blocks(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
7130 for mut block in layout.blocks.drain(..) {
7131 if block.overlaps_gutter {
7132 block.element.paint(window, cx);
7133 } else {
7134 let mut bounds = layout.hitbox.bounds;
7135 bounds.origin.x += layout.gutter_hitbox.bounds.size.width;
7136 window.with_content_mask(Some(ContentMask { bounds }), |window| {
7137 block.element.paint(window, cx);
7138 })
7139 }
7140 }
7141 }
7142
7143 fn paint_edit_prediction_popover(
7144 &mut self,
7145 layout: &mut EditorLayout,
7146 window: &mut Window,
7147 cx: &mut App,
7148 ) {
7149 if let Some(edit_prediction_popover) = layout.edit_prediction_popover.as_mut() {
7150 edit_prediction_popover.paint(window, cx);
7151 }
7152 }
7153
7154 fn paint_mouse_context_menu(
7155 &mut self,
7156 layout: &mut EditorLayout,
7157 window: &mut Window,
7158 cx: &mut App,
7159 ) {
7160 if let Some(mouse_context_menu) = layout.mouse_context_menu.as_mut() {
7161 mouse_context_menu.paint(window, cx);
7162 }
7163 }
7164
7165 fn paint_scroll_wheel_listener(
7166 &mut self,
7167 layout: &EditorLayout,
7168 window: &mut Window,
7169 cx: &mut App,
7170 ) {
7171 window.on_mouse_event({
7172 let position_map = layout.position_map.clone();
7173 let editor = self.editor.clone();
7174 let hitbox = layout.hitbox.clone();
7175 let mut delta = ScrollDelta::default();
7176
7177 // Set a minimum scroll_sensitivity of 0.01 to make sure the user doesn't
7178 // accidentally turn off their scrolling.
7179 let base_scroll_sensitivity =
7180 EditorSettings::get_global(cx).scroll_sensitivity.max(0.01);
7181
7182 // Use a minimum fast_scroll_sensitivity for same reason above
7183 let fast_scroll_sensitivity = EditorSettings::get_global(cx)
7184 .fast_scroll_sensitivity
7185 .max(0.01);
7186
7187 move |event: &ScrollWheelEvent, phase, window, cx| {
7188 let scroll_sensitivity = {
7189 if event.modifiers.alt {
7190 fast_scroll_sensitivity
7191 } else {
7192 base_scroll_sensitivity
7193 }
7194 };
7195
7196 if phase == DispatchPhase::Bubble && hitbox.should_handle_scroll(window) {
7197 delta = delta.coalesce(event.delta);
7198 editor.update(cx, |editor, cx| {
7199 let position_map: &PositionMap = &position_map;
7200
7201 let line_height = position_map.line_height;
7202 let max_glyph_advance = position_map.em_advance;
7203 let (delta, axis) = match delta {
7204 gpui::ScrollDelta::Pixels(mut pixels) => {
7205 //Trackpad
7206 let axis = position_map.snapshot.ongoing_scroll.filter(&mut pixels);
7207 (pixels, axis)
7208 }
7209
7210 gpui::ScrollDelta::Lines(lines) => {
7211 //Not trackpad
7212 let pixels =
7213 point(lines.x * max_glyph_advance, lines.y * line_height);
7214 (pixels, None)
7215 }
7216 };
7217
7218 let current_scroll_position = position_map.snapshot.scroll_position();
7219 let x = (current_scroll_position.x
7220 * ScrollPixelOffset::from(max_glyph_advance)
7221 - ScrollPixelOffset::from(delta.x * scroll_sensitivity))
7222 / ScrollPixelOffset::from(max_glyph_advance);
7223
7224 let scale_factor = window.scale_factor();
7225 let y = (current_scroll_position.y
7226 * ScrollPixelOffset::from(line_height)
7227 * ScrollPixelOffset::from(scale_factor)
7228 - ScrollPixelOffset::from(delta.y * scroll_sensitivity))
7229 .round()
7230 / ScrollPixelOffset::from(line_height)
7231 / ScrollPixelOffset::from(scale_factor);
7232
7233 let mut scroll_position =
7234 point(x, y).clamp(&point(0., 0.), &position_map.scroll_max);
7235 let forbid_vertical_scroll = editor.scroll_manager.forbid_vertical_scroll();
7236 if forbid_vertical_scroll {
7237 scroll_position.y = current_scroll_position.y;
7238 }
7239
7240 if scroll_position != current_scroll_position {
7241 editor.scroll(scroll_position, axis, window, cx);
7242 cx.stop_propagation();
7243 } else if y < 0. {
7244 // Due to clamping, we may fail to detect cases of overscroll to the top;
7245 // We want the scroll manager to get an update in such cases and detect the change of direction
7246 // on the next frame.
7247 cx.notify();
7248 }
7249 });
7250 }
7251 }
7252 });
7253 }
7254
7255 fn paint_mouse_listeners(&mut self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
7256 if layout.mode.is_minimap() {
7257 return;
7258 }
7259
7260 self.paint_scroll_wheel_listener(layout, window, cx);
7261
7262 window.on_mouse_event({
7263 let position_map = layout.position_map.clone();
7264 let editor = self.editor.clone();
7265 let diff_hunk_range =
7266 layout
7267 .display_hunks
7268 .iter()
7269 .find_map(|(hunk, hunk_hitbox)| match hunk {
7270 DisplayDiffHunk::Folded { .. } => None,
7271 DisplayDiffHunk::Unfolded {
7272 multi_buffer_range, ..
7273 } => {
7274 if hunk_hitbox
7275 .as_ref()
7276 .map(|hitbox| hitbox.is_hovered(window))
7277 .unwrap_or(false)
7278 {
7279 Some(multi_buffer_range.clone())
7280 } else {
7281 None
7282 }
7283 }
7284 });
7285 let line_numbers = layout.line_numbers.clone();
7286
7287 move |event: &MouseDownEvent, phase, window, cx| {
7288 if phase == DispatchPhase::Bubble {
7289 match event.button {
7290 MouseButton::Left => editor.update(cx, |editor, cx| {
7291 let pending_mouse_down = editor
7292 .pending_mouse_down
7293 .get_or_insert_with(Default::default)
7294 .clone();
7295
7296 *pending_mouse_down.borrow_mut() = Some(event.clone());
7297
7298 Self::mouse_left_down(
7299 editor,
7300 event,
7301 diff_hunk_range.clone(),
7302 &position_map,
7303 line_numbers.as_ref(),
7304 window,
7305 cx,
7306 );
7307 }),
7308 MouseButton::Right => editor.update(cx, |editor, cx| {
7309 Self::mouse_right_down(editor, event, &position_map, window, cx);
7310 }),
7311 MouseButton::Middle => editor.update(cx, |editor, cx| {
7312 Self::mouse_middle_down(editor, event, &position_map, window, cx);
7313 }),
7314 _ => {}
7315 };
7316 }
7317 }
7318 });
7319
7320 window.on_mouse_event({
7321 let editor = self.editor.clone();
7322 let position_map = layout.position_map.clone();
7323
7324 move |event: &MouseUpEvent, phase, window, cx| {
7325 if phase == DispatchPhase::Bubble {
7326 editor.update(cx, |editor, cx| {
7327 Self::mouse_up(editor, event, &position_map, window, cx)
7328 });
7329 }
7330 }
7331 });
7332
7333 window.on_mouse_event({
7334 let editor = self.editor.clone();
7335 let position_map = layout.position_map.clone();
7336 let mut captured_mouse_down = None;
7337
7338 move |event: &MouseUpEvent, phase, window, cx| match phase {
7339 // Clear the pending mouse down during the capture phase,
7340 // so that it happens even if another event handler stops
7341 // propagation.
7342 DispatchPhase::Capture => editor.update(cx, |editor, _cx| {
7343 let pending_mouse_down = editor
7344 .pending_mouse_down
7345 .get_or_insert_with(Default::default)
7346 .clone();
7347
7348 let mut pending_mouse_down = pending_mouse_down.borrow_mut();
7349 if pending_mouse_down.is_some() && position_map.text_hitbox.is_hovered(window) {
7350 captured_mouse_down = pending_mouse_down.take();
7351 window.refresh();
7352 }
7353 }),
7354 // Fire click handlers during the bubble phase.
7355 DispatchPhase::Bubble => editor.update(cx, |editor, cx| {
7356 if let Some(mouse_down) = captured_mouse_down.take() {
7357 let event = ClickEvent::Mouse(MouseClickEvent {
7358 down: mouse_down,
7359 up: event.clone(),
7360 });
7361 Self::click(editor, &event, &position_map, window, cx);
7362 }
7363 }),
7364 }
7365 });
7366
7367 window.on_mouse_event({
7368 let position_map = layout.position_map.clone();
7369 let editor = self.editor.clone();
7370
7371 move |event: &MouseMoveEvent, phase, window, cx| {
7372 if phase == DispatchPhase::Bubble {
7373 editor.update(cx, |editor, cx| {
7374 if editor.hover_state.focused(window, cx) {
7375 return;
7376 }
7377 if event.pressed_button == Some(MouseButton::Left)
7378 || event.pressed_button == Some(MouseButton::Middle)
7379 {
7380 Self::mouse_dragged(editor, event, &position_map, window, cx)
7381 }
7382
7383 Self::mouse_moved(editor, event, &position_map, window, cx)
7384 });
7385 }
7386 }
7387 });
7388 }
7389
7390 fn column_pixels(&self, column: usize, window: &Window) -> Pixels {
7391 let style = &self.style;
7392 let font_size = style.text.font_size.to_pixels(window.rem_size());
7393 let layout = window.text_system().shape_line(
7394 SharedString::from(" ".repeat(column)),
7395 font_size,
7396 &[TextRun {
7397 len: column,
7398 font: style.text.font(),
7399 color: Hsla::default(),
7400 background_color: None,
7401 underline: None,
7402 strikethrough: None,
7403 }],
7404 None,
7405 );
7406
7407 layout.width
7408 }
7409
7410 fn max_line_number_width(&self, snapshot: &EditorSnapshot, window: &mut Window) -> Pixels {
7411 let digit_count = snapshot.widest_line_number().ilog10() + 1;
7412 self.column_pixels(digit_count as usize, window)
7413 }
7414
7415 fn shape_line_number(
7416 &self,
7417 text: SharedString,
7418 color: Hsla,
7419 window: &mut Window,
7420 ) -> ShapedLine {
7421 let run = TextRun {
7422 len: text.len(),
7423 font: self.style.text.font(),
7424 color,
7425 background_color: None,
7426 underline: None,
7427 strikethrough: None,
7428 };
7429 window.text_system().shape_line(
7430 text,
7431 self.style.text.font_size.to_pixels(window.rem_size()),
7432 &[run],
7433 None,
7434 )
7435 }
7436
7437 fn diff_hunk_hollow(status: DiffHunkStatus, cx: &mut App) -> bool {
7438 let unstaged = status.has_secondary_hunk();
7439 let unstaged_hollow = matches!(
7440 ProjectSettings::get_global(cx).git.hunk_style,
7441 GitHunkStyleSetting::UnstagedHollow
7442 );
7443
7444 unstaged == unstaged_hollow
7445 }
7446
7447 #[cfg(debug_assertions)]
7448 fn layout_debug_ranges(
7449 selections: &mut Vec<(PlayerColor, Vec<SelectionLayout>)>,
7450 anchor_range: Range<Anchor>,
7451 display_snapshot: &DisplaySnapshot,
7452 cx: &App,
7453 ) {
7454 let theme = cx.theme();
7455 text::debug::GlobalDebugRanges::with_locked(|debug_ranges| {
7456 if debug_ranges.ranges.is_empty() {
7457 return;
7458 }
7459 let buffer_snapshot = &display_snapshot.buffer_snapshot();
7460 for (buffer, buffer_range, excerpt_id) in
7461 buffer_snapshot.range_to_buffer_ranges(anchor_range)
7462 {
7463 let buffer_range =
7464 buffer.anchor_after(buffer_range.start)..buffer.anchor_before(buffer_range.end);
7465 selections.extend(debug_ranges.ranges.iter().flat_map(|debug_range| {
7466 let player_color = theme
7467 .players()
7468 .color_for_participant(debug_range.occurrence_index as u32 + 1);
7469 debug_range.ranges.iter().filter_map(move |range| {
7470 if range.start.buffer_id != Some(buffer.remote_id()) {
7471 return None;
7472 }
7473 let clipped_start = range.start.max(&buffer_range.start, buffer);
7474 let clipped_end = range.end.min(&buffer_range.end, buffer);
7475 let range = buffer_snapshot
7476 .anchor_range_in_excerpt(excerpt_id, *clipped_start..*clipped_end)?;
7477 let start = range.start.to_display_point(display_snapshot);
7478 let end = range.end.to_display_point(display_snapshot);
7479 let selection_layout = SelectionLayout {
7480 head: start,
7481 range: start..end,
7482 cursor_shape: CursorShape::Bar,
7483 is_newest: false,
7484 is_local: false,
7485 active_rows: start.row()..end.row(),
7486 user_name: Some(SharedString::new(debug_range.value.clone())),
7487 };
7488 Some((player_color, vec![selection_layout]))
7489 })
7490 }));
7491 }
7492 });
7493 }
7494}
7495
7496fn header_jump_data(
7497 snapshot: &EditorSnapshot,
7498 block_row_start: DisplayRow,
7499 height: u32,
7500 for_excerpt: &ExcerptInfo,
7501) -> JumpData {
7502 let range = &for_excerpt.range;
7503 let buffer = &for_excerpt.buffer;
7504 let jump_anchor = range.primary.start;
7505
7506 let excerpt_start = range.context.start;
7507 let jump_position = language::ToPoint::to_point(&jump_anchor, buffer);
7508 let rows_from_excerpt_start = if jump_anchor == excerpt_start {
7509 0
7510 } else {
7511 let excerpt_start_point = language::ToPoint::to_point(&excerpt_start, buffer);
7512 jump_position.row.saturating_sub(excerpt_start_point.row)
7513 };
7514
7515 let line_offset_from_top = (block_row_start.0 + height + rows_from_excerpt_start)
7516 .saturating_sub(
7517 snapshot
7518 .scroll_anchor
7519 .scroll_position(&snapshot.display_snapshot)
7520 .y as u32,
7521 );
7522
7523 JumpData::MultiBufferPoint {
7524 excerpt_id: for_excerpt.id,
7525 anchor: jump_anchor,
7526 position: jump_position,
7527 line_offset_from_top,
7528 }
7529}
7530
7531pub struct AcceptEditPredictionBinding(pub(crate) Option<gpui::KeyBinding>);
7532
7533impl AcceptEditPredictionBinding {
7534 pub fn keystroke(&self) -> Option<&KeybindingKeystroke> {
7535 if let Some(binding) = self.0.as_ref() {
7536 match &binding.keystrokes() {
7537 [keystroke, ..] => Some(keystroke),
7538 _ => None,
7539 }
7540 } else {
7541 None
7542 }
7543 }
7544}
7545
7546fn prepaint_gutter_button(
7547 button: IconButton,
7548 row: DisplayRow,
7549 line_height: Pixels,
7550 gutter_dimensions: &GutterDimensions,
7551 scroll_position: gpui::Point<ScrollOffset>,
7552 gutter_hitbox: &Hitbox,
7553 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
7554 window: &mut Window,
7555 cx: &mut App,
7556) -> AnyElement {
7557 let mut button = button.into_any_element();
7558
7559 let available_space = size(
7560 AvailableSpace::MinContent,
7561 AvailableSpace::Definite(line_height),
7562 );
7563 let indicator_size = button.layout_as_root(available_space, window, cx);
7564
7565 let blame_width = gutter_dimensions.git_blame_entries_width;
7566 let gutter_width = display_hunks
7567 .binary_search_by(|(hunk, _)| match hunk {
7568 DisplayDiffHunk::Folded { display_row } => display_row.cmp(&row),
7569 DisplayDiffHunk::Unfolded {
7570 display_row_range, ..
7571 } => {
7572 if display_row_range.end <= row {
7573 Ordering::Less
7574 } else if display_row_range.start > row {
7575 Ordering::Greater
7576 } else {
7577 Ordering::Equal
7578 }
7579 }
7580 })
7581 .ok()
7582 .and_then(|ix| Some(display_hunks[ix].1.as_ref()?.size.width));
7583 let left_offset = blame_width.max(gutter_width).unwrap_or_default();
7584
7585 let mut x = left_offset;
7586 let available_width = gutter_dimensions.margin + gutter_dimensions.left_padding
7587 - indicator_size.width
7588 - left_offset;
7589 x += available_width / 2.;
7590
7591 let mut y =
7592 Pixels::from((row.as_f64() - scroll_position.y) * ScrollPixelOffset::from(line_height));
7593 y += (line_height - indicator_size.height) / 2.;
7594
7595 button.prepaint_as_root(
7596 gutter_hitbox.origin + point(x, y),
7597 available_space,
7598 window,
7599 cx,
7600 );
7601 button
7602}
7603
7604fn render_inline_blame_entry(
7605 blame_entry: BlameEntry,
7606 style: &EditorStyle,
7607 cx: &mut App,
7608) -> Option<AnyElement> {
7609 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7610 renderer.render_inline_blame_entry(&style.text, blame_entry, cx)
7611}
7612
7613fn render_blame_entry_popover(
7614 blame_entry: BlameEntry,
7615 scroll_handle: ScrollHandle,
7616 commit_message: Option<ParsedCommitMessage>,
7617 markdown: Entity<Markdown>,
7618 workspace: WeakEntity<Workspace>,
7619 blame: &Entity<GitBlame>,
7620 buffer: BufferId,
7621 window: &mut Window,
7622 cx: &mut App,
7623) -> Option<AnyElement> {
7624 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7625 let blame = blame.read(cx);
7626 let repository = blame.repository(cx, buffer)?;
7627 renderer.render_blame_entry_popover(
7628 blame_entry,
7629 scroll_handle,
7630 commit_message,
7631 markdown,
7632 repository,
7633 workspace,
7634 window,
7635 cx,
7636 )
7637}
7638
7639fn render_blame_entry(
7640 ix: usize,
7641 blame: &Entity<GitBlame>,
7642 blame_entry: BlameEntry,
7643 style: &EditorStyle,
7644 last_used_color: &mut Option<(Hsla, Oid)>,
7645 editor: Entity<Editor>,
7646 workspace: Entity<Workspace>,
7647 buffer: BufferId,
7648 renderer: &dyn BlameRenderer,
7649 window: &mut Window,
7650 cx: &mut App,
7651) -> Option<AnyElement> {
7652 let index: u32 = blame_entry.sha.into();
7653 let mut sha_color = cx.theme().players().color_for_participant(index).cursor;
7654
7655 // If the last color we used is the same as the one we get for this line, but
7656 // the commit SHAs are different, then we try again to get a different color.
7657 if let Some((color, sha)) = *last_used_color
7658 && sha != blame_entry.sha
7659 && color == sha_color
7660 {
7661 sha_color = cx.theme().players().color_for_participant(index + 1).cursor;
7662 }
7663 last_used_color.replace((sha_color, blame_entry.sha));
7664
7665 let blame = blame.read(cx);
7666 let details = blame.details_for_entry(buffer, &blame_entry);
7667 let repository = blame.repository(cx, buffer)?;
7668 renderer.render_blame_entry(
7669 &style.text,
7670 blame_entry,
7671 details,
7672 repository,
7673 workspace.downgrade(),
7674 editor,
7675 ix,
7676 sha_color,
7677 window,
7678 cx,
7679 )
7680}
7681
7682#[derive(Debug)]
7683pub(crate) struct LineWithInvisibles {
7684 fragments: SmallVec<[LineFragment; 1]>,
7685 invisibles: Vec<Invisible>,
7686 len: usize,
7687 pub(crate) width: Pixels,
7688 font_size: Pixels,
7689}
7690
7691enum LineFragment {
7692 Text(ShapedLine),
7693 Element {
7694 id: ChunkRendererId,
7695 element: Option<AnyElement>,
7696 size: Size<Pixels>,
7697 len: usize,
7698 },
7699}
7700
7701impl fmt::Debug for LineFragment {
7702 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
7703 match self {
7704 LineFragment::Text(shaped_line) => f.debug_tuple("Text").field(shaped_line).finish(),
7705 LineFragment::Element { size, len, .. } => f
7706 .debug_struct("Element")
7707 .field("size", size)
7708 .field("len", len)
7709 .finish(),
7710 }
7711 }
7712}
7713
7714impl LineWithInvisibles {
7715 fn from_chunks<'a>(
7716 chunks: impl Iterator<Item = HighlightedChunk<'a>>,
7717 editor_style: &EditorStyle,
7718 max_line_len: usize,
7719 max_line_count: usize,
7720 editor_mode: &EditorMode,
7721 text_width: Pixels,
7722 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
7723 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
7724 window: &mut Window,
7725 cx: &mut App,
7726 ) -> Vec<Self> {
7727 let text_style = &editor_style.text;
7728 let mut layouts = Vec::with_capacity(max_line_count);
7729 let mut fragments: SmallVec<[LineFragment; 1]> = SmallVec::new();
7730 let mut line = String::new();
7731 let mut invisibles = Vec::new();
7732 let mut width = Pixels::ZERO;
7733 let mut len = 0;
7734 let mut styles = Vec::new();
7735 let mut non_whitespace_added = false;
7736 let mut row = 0;
7737 let mut line_exceeded_max_len = false;
7738 let font_size = text_style.font_size.to_pixels(window.rem_size());
7739 let min_contrast = EditorSettings::get_global(cx).minimum_contrast_for_highlights;
7740
7741 let ellipsis = SharedString::from("β―");
7742
7743 for highlighted_chunk in chunks.chain([HighlightedChunk {
7744 text: "\n",
7745 style: None,
7746 is_tab: false,
7747 is_inlay: false,
7748 replacement: None,
7749 }]) {
7750 if let Some(replacement) = highlighted_chunk.replacement {
7751 if !line.is_empty() {
7752 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7753 let text_runs: &[TextRun] = if segments.is_empty() {
7754 &styles
7755 } else {
7756 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
7757 };
7758 let shaped_line = window.text_system().shape_line(
7759 line.clone().into(),
7760 font_size,
7761 text_runs,
7762 None,
7763 );
7764 width += shaped_line.width;
7765 len += shaped_line.len;
7766 fragments.push(LineFragment::Text(shaped_line));
7767 line.clear();
7768 styles.clear();
7769 }
7770
7771 match replacement {
7772 ChunkReplacement::Renderer(renderer) => {
7773 let available_width = if renderer.constrain_width {
7774 let chunk = if highlighted_chunk.text == ellipsis.as_ref() {
7775 ellipsis.clone()
7776 } else {
7777 SharedString::from(Arc::from(highlighted_chunk.text))
7778 };
7779 let shaped_line = window.text_system().shape_line(
7780 chunk,
7781 font_size,
7782 &[text_style.to_run(highlighted_chunk.text.len())],
7783 None,
7784 );
7785 AvailableSpace::Definite(shaped_line.width)
7786 } else {
7787 AvailableSpace::MinContent
7788 };
7789
7790 let mut element = (renderer.render)(&mut ChunkRendererContext {
7791 context: cx,
7792 window,
7793 max_width: text_width,
7794 });
7795 let line_height = text_style.line_height_in_pixels(window.rem_size());
7796 let size = element.layout_as_root(
7797 size(available_width, AvailableSpace::Definite(line_height)),
7798 window,
7799 cx,
7800 );
7801
7802 width += size.width;
7803 len += highlighted_chunk.text.len();
7804 fragments.push(LineFragment::Element {
7805 id: renderer.id,
7806 element: Some(element),
7807 size,
7808 len: highlighted_chunk.text.len(),
7809 });
7810 }
7811 ChunkReplacement::Str(x) => {
7812 let text_style = if let Some(style) = highlighted_chunk.style {
7813 Cow::Owned(text_style.clone().highlight(style))
7814 } else {
7815 Cow::Borrowed(text_style)
7816 };
7817
7818 let run = TextRun {
7819 len: x.len(),
7820 font: text_style.font(),
7821 color: text_style.color,
7822 background_color: text_style.background_color,
7823 underline: text_style.underline,
7824 strikethrough: text_style.strikethrough,
7825 };
7826 let line_layout = window
7827 .text_system()
7828 .shape_line(x, font_size, &[run], None)
7829 .with_len(highlighted_chunk.text.len());
7830
7831 width += line_layout.width;
7832 len += highlighted_chunk.text.len();
7833 fragments.push(LineFragment::Text(line_layout))
7834 }
7835 }
7836 } else {
7837 for (ix, mut line_chunk) in highlighted_chunk.text.split('\n').enumerate() {
7838 if ix > 0 {
7839 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7840 let text_runs = if segments.is_empty() {
7841 &styles
7842 } else {
7843 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
7844 };
7845 let shaped_line = window.text_system().shape_line(
7846 line.clone().into(),
7847 font_size,
7848 text_runs,
7849 None,
7850 );
7851 width += shaped_line.width;
7852 len += shaped_line.len;
7853 fragments.push(LineFragment::Text(shaped_line));
7854 layouts.push(Self {
7855 width: mem::take(&mut width),
7856 len: mem::take(&mut len),
7857 fragments: mem::take(&mut fragments),
7858 invisibles: std::mem::take(&mut invisibles),
7859 font_size,
7860 });
7861
7862 line.clear();
7863 styles.clear();
7864 row += 1;
7865 line_exceeded_max_len = false;
7866 non_whitespace_added = false;
7867 if row == max_line_count {
7868 return layouts;
7869 }
7870 }
7871
7872 if !line_chunk.is_empty() && !line_exceeded_max_len {
7873 let text_style = if let Some(style) = highlighted_chunk.style {
7874 Cow::Owned(text_style.clone().highlight(style))
7875 } else {
7876 Cow::Borrowed(text_style)
7877 };
7878
7879 if line.len() + line_chunk.len() > max_line_len {
7880 let mut chunk_len = max_line_len - line.len();
7881 while !line_chunk.is_char_boundary(chunk_len) {
7882 chunk_len -= 1;
7883 }
7884 line_chunk = &line_chunk[..chunk_len];
7885 line_exceeded_max_len = true;
7886 }
7887
7888 styles.push(TextRun {
7889 len: line_chunk.len(),
7890 font: text_style.font(),
7891 color: text_style.color,
7892 background_color: text_style.background_color,
7893 underline: text_style.underline,
7894 strikethrough: text_style.strikethrough,
7895 });
7896
7897 if editor_mode.is_full() && !highlighted_chunk.is_inlay {
7898 // Line wrap pads its contents with fake whitespaces,
7899 // avoid printing them
7900 let is_soft_wrapped = is_row_soft_wrapped(row);
7901 if highlighted_chunk.is_tab {
7902 if non_whitespace_added || !is_soft_wrapped {
7903 invisibles.push(Invisible::Tab {
7904 line_start_offset: line.len(),
7905 line_end_offset: line.len() + line_chunk.len(),
7906 });
7907 }
7908 } else {
7909 invisibles.extend(line_chunk.char_indices().filter_map(
7910 |(index, c)| {
7911 let is_whitespace = c.is_whitespace();
7912 non_whitespace_added |= !is_whitespace;
7913 if is_whitespace
7914 && (non_whitespace_added || !is_soft_wrapped)
7915 {
7916 Some(Invisible::Whitespace {
7917 line_offset: line.len() + index,
7918 })
7919 } else {
7920 None
7921 }
7922 },
7923 ))
7924 }
7925 }
7926
7927 line.push_str(line_chunk);
7928 }
7929 }
7930 }
7931 }
7932
7933 layouts
7934 }
7935
7936 /// Takes text runs and non-overlapping left-to-right background ranges with color.
7937 /// Returns new text runs with adjusted contrast as per background ranges.
7938 fn split_runs_by_bg_segments(
7939 text_runs: &[TextRun],
7940 bg_segments: &[(Range<DisplayPoint>, Hsla)],
7941 min_contrast: f32,
7942 start_col_offset: usize,
7943 ) -> Vec<TextRun> {
7944 let mut output_runs: Vec<TextRun> = Vec::with_capacity(text_runs.len());
7945 let mut line_col = start_col_offset;
7946 let mut segment_ix = 0usize;
7947
7948 for text_run in text_runs.iter() {
7949 let run_start_col = line_col;
7950 let run_end_col = run_start_col + text_run.len;
7951 while segment_ix < bg_segments.len()
7952 && (bg_segments[segment_ix].0.end.column() as usize) <= run_start_col
7953 {
7954 segment_ix += 1;
7955 }
7956 let mut cursor_col = run_start_col;
7957 let mut local_segment_ix = segment_ix;
7958 while local_segment_ix < bg_segments.len() {
7959 let (range, segment_color) = &bg_segments[local_segment_ix];
7960 let segment_start_col = range.start.column() as usize;
7961 let segment_end_col = range.end.column() as usize;
7962 if segment_start_col >= run_end_col {
7963 break;
7964 }
7965 if segment_start_col > cursor_col {
7966 let span_len = segment_start_col - cursor_col;
7967 output_runs.push(TextRun {
7968 len: span_len,
7969 font: text_run.font.clone(),
7970 color: text_run.color,
7971 background_color: text_run.background_color,
7972 underline: text_run.underline,
7973 strikethrough: text_run.strikethrough,
7974 });
7975 cursor_col = segment_start_col;
7976 }
7977 let segment_slice_end_col = segment_end_col.min(run_end_col);
7978 if segment_slice_end_col > cursor_col {
7979 let new_text_color =
7980 ensure_minimum_contrast(text_run.color, *segment_color, min_contrast);
7981 output_runs.push(TextRun {
7982 len: segment_slice_end_col - cursor_col,
7983 font: text_run.font.clone(),
7984 color: new_text_color,
7985 background_color: text_run.background_color,
7986 underline: text_run.underline,
7987 strikethrough: text_run.strikethrough,
7988 });
7989 cursor_col = segment_slice_end_col;
7990 }
7991 if segment_end_col >= run_end_col {
7992 break;
7993 }
7994 local_segment_ix += 1;
7995 }
7996 if cursor_col < run_end_col {
7997 output_runs.push(TextRun {
7998 len: run_end_col - cursor_col,
7999 font: text_run.font.clone(),
8000 color: text_run.color,
8001 background_color: text_run.background_color,
8002 underline: text_run.underline,
8003 strikethrough: text_run.strikethrough,
8004 });
8005 }
8006 line_col = run_end_col;
8007 segment_ix = local_segment_ix;
8008 }
8009 output_runs
8010 }
8011
8012 fn prepaint(
8013 &mut self,
8014 line_height: Pixels,
8015 scroll_position: gpui::Point<ScrollOffset>,
8016 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
8017 row: DisplayRow,
8018 content_origin: gpui::Point<Pixels>,
8019 line_elements: &mut SmallVec<[AnyElement; 1]>,
8020 window: &mut Window,
8021 cx: &mut App,
8022 ) {
8023 let line_y = f32::from(line_height) * Pixels::from(row.as_f64() - scroll_position.y);
8024 let mut fragment_origin =
8025 content_origin + gpui::point(Pixels::from(-scroll_pixel_position.x), line_y);
8026 for fragment in &mut self.fragments {
8027 match fragment {
8028 LineFragment::Text(line) => {
8029 fragment_origin.x += line.width;
8030 }
8031 LineFragment::Element { element, size, .. } => {
8032 let mut element = element
8033 .take()
8034 .expect("you can't prepaint LineWithInvisibles twice");
8035
8036 // Center the element vertically within the line.
8037 let mut element_origin = fragment_origin;
8038 element_origin.y += (line_height - size.height) / 2.;
8039 element.prepaint_at(element_origin, window, cx);
8040 line_elements.push(element);
8041
8042 fragment_origin.x += size.width;
8043 }
8044 }
8045 }
8046 }
8047
8048 fn draw(
8049 &self,
8050 layout: &EditorLayout,
8051 row: DisplayRow,
8052 content_origin: gpui::Point<Pixels>,
8053 whitespace_setting: ShowWhitespaceSetting,
8054 selection_ranges: &[Range<DisplayPoint>],
8055 window: &mut Window,
8056 cx: &mut App,
8057 ) {
8058 let line_height = layout.position_map.line_height;
8059 let line_y = line_height * (row.as_f64() - layout.position_map.scroll_position.y) as f32;
8060
8061 let mut fragment_origin = content_origin
8062 + gpui::point(
8063 Pixels::from(-layout.position_map.scroll_pixel_position.x),
8064 line_y,
8065 );
8066
8067 for fragment in &self.fragments {
8068 match fragment {
8069 LineFragment::Text(line) => {
8070 line.paint(fragment_origin, line_height, window, cx)
8071 .log_err();
8072 fragment_origin.x += line.width;
8073 }
8074 LineFragment::Element { size, .. } => {
8075 fragment_origin.x += size.width;
8076 }
8077 }
8078 }
8079
8080 self.draw_invisibles(
8081 selection_ranges,
8082 layout,
8083 content_origin,
8084 line_y,
8085 row,
8086 line_height,
8087 whitespace_setting,
8088 window,
8089 cx,
8090 );
8091 }
8092
8093 fn draw_background(
8094 &self,
8095 layout: &EditorLayout,
8096 row: DisplayRow,
8097 content_origin: gpui::Point<Pixels>,
8098 window: &mut Window,
8099 cx: &mut App,
8100 ) {
8101 let line_height = layout.position_map.line_height;
8102 let line_y = line_height * (row.as_f64() - layout.position_map.scroll_position.y) as f32;
8103
8104 let mut fragment_origin = content_origin
8105 + gpui::point(
8106 Pixels::from(-layout.position_map.scroll_pixel_position.x),
8107 line_y,
8108 );
8109
8110 for fragment in &self.fragments {
8111 match fragment {
8112 LineFragment::Text(line) => {
8113 line.paint_background(fragment_origin, line_height, window, cx)
8114 .log_err();
8115 fragment_origin.x += line.width;
8116 }
8117 LineFragment::Element { size, .. } => {
8118 fragment_origin.x += size.width;
8119 }
8120 }
8121 }
8122 }
8123
8124 fn draw_invisibles(
8125 &self,
8126 selection_ranges: &[Range<DisplayPoint>],
8127 layout: &EditorLayout,
8128 content_origin: gpui::Point<Pixels>,
8129 line_y: Pixels,
8130 row: DisplayRow,
8131 line_height: Pixels,
8132 whitespace_setting: ShowWhitespaceSetting,
8133 window: &mut Window,
8134 cx: &mut App,
8135 ) {
8136 let extract_whitespace_info = |invisible: &Invisible| {
8137 let (token_offset, token_end_offset, invisible_symbol) = match invisible {
8138 Invisible::Tab {
8139 line_start_offset,
8140 line_end_offset,
8141 } => (*line_start_offset, *line_end_offset, &layout.tab_invisible),
8142 Invisible::Whitespace { line_offset } => {
8143 (*line_offset, line_offset + 1, &layout.space_invisible)
8144 }
8145 };
8146
8147 let x_offset: ScrollPixelOffset = self.x_for_index(token_offset).into();
8148 let invisible_offset: ScrollPixelOffset =
8149 ((layout.position_map.em_width - invisible_symbol.width).max(Pixels::ZERO) / 2.0)
8150 .into();
8151 let origin = content_origin
8152 + gpui::point(
8153 Pixels::from(
8154 x_offset + invisible_offset - layout.position_map.scroll_pixel_position.x,
8155 ),
8156 line_y,
8157 );
8158
8159 (
8160 [token_offset, token_end_offset],
8161 Box::new(move |window: &mut Window, cx: &mut App| {
8162 invisible_symbol
8163 .paint(origin, line_height, window, cx)
8164 .log_err();
8165 }),
8166 )
8167 };
8168
8169 let invisible_iter = self.invisibles.iter().map(extract_whitespace_info);
8170 match whitespace_setting {
8171 ShowWhitespaceSetting::None => (),
8172 ShowWhitespaceSetting::All => invisible_iter.for_each(|(_, paint)| paint(window, cx)),
8173 ShowWhitespaceSetting::Selection => invisible_iter.for_each(|([start, _], paint)| {
8174 let invisible_point = DisplayPoint::new(row, start as u32);
8175 if !selection_ranges
8176 .iter()
8177 .any(|region| region.start <= invisible_point && invisible_point < region.end)
8178 {
8179 return;
8180 }
8181
8182 paint(window, cx);
8183 }),
8184
8185 ShowWhitespaceSetting::Trailing => {
8186 let mut previous_start = self.len;
8187 for ([start, end], paint) in invisible_iter.rev() {
8188 if previous_start != end {
8189 break;
8190 }
8191 previous_start = start;
8192 paint(window, cx);
8193 }
8194 }
8195
8196 // For a whitespace to be on a boundary, any of the following conditions need to be met:
8197 // - It is a tab
8198 // - It is adjacent to an edge (start or end)
8199 // - It is adjacent to a whitespace (left or right)
8200 ShowWhitespaceSetting::Boundary => {
8201 // 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
8202 // the above cases.
8203 // Note: We zip in the original `invisibles` to check for tab equality
8204 let mut last_seen: Option<(bool, usize, Box<dyn Fn(&mut Window, &mut App)>)> = None;
8205 for (([start, end], paint), invisible) in
8206 invisible_iter.zip_eq(self.invisibles.iter())
8207 {
8208 let should_render = match (&last_seen, invisible) {
8209 (_, Invisible::Tab { .. }) => true,
8210 (Some((_, last_end, _)), _) => *last_end == start,
8211 _ => false,
8212 };
8213
8214 if should_render || start == 0 || end == self.len {
8215 paint(window, cx);
8216
8217 // Since we are scanning from the left, we will skip over the first available whitespace that is part
8218 // of a boundary between non-whitespace segments, so we correct by manually redrawing it if needed.
8219 if let Some((should_render_last, last_end, paint_last)) = last_seen {
8220 // Note that we need to make sure that the last one is actually adjacent
8221 if !should_render_last && last_end == start {
8222 paint_last(window, cx);
8223 }
8224 }
8225 }
8226
8227 // Manually render anything within a selection
8228 let invisible_point = DisplayPoint::new(row, start as u32);
8229 if selection_ranges.iter().any(|region| {
8230 region.start <= invisible_point && invisible_point < region.end
8231 }) {
8232 paint(window, cx);
8233 }
8234
8235 last_seen = Some((should_render, end, paint));
8236 }
8237 }
8238 }
8239 }
8240
8241 pub fn x_for_index(&self, index: usize) -> Pixels {
8242 let mut fragment_start_x = Pixels::ZERO;
8243 let mut fragment_start_index = 0;
8244
8245 for fragment in &self.fragments {
8246 match fragment {
8247 LineFragment::Text(shaped_line) => {
8248 let fragment_end_index = fragment_start_index + shaped_line.len;
8249 if index < fragment_end_index {
8250 return fragment_start_x
8251 + shaped_line.x_for_index(index - fragment_start_index);
8252 }
8253 fragment_start_x += shaped_line.width;
8254 fragment_start_index = fragment_end_index;
8255 }
8256 LineFragment::Element { len, size, .. } => {
8257 let fragment_end_index = fragment_start_index + len;
8258 if index < fragment_end_index {
8259 return fragment_start_x;
8260 }
8261 fragment_start_x += size.width;
8262 fragment_start_index = fragment_end_index;
8263 }
8264 }
8265 }
8266
8267 fragment_start_x
8268 }
8269
8270 pub fn index_for_x(&self, x: Pixels) -> Option<usize> {
8271 let mut fragment_start_x = Pixels::ZERO;
8272 let mut fragment_start_index = 0;
8273
8274 for fragment in &self.fragments {
8275 match fragment {
8276 LineFragment::Text(shaped_line) => {
8277 let fragment_end_x = fragment_start_x + shaped_line.width;
8278 if x < fragment_end_x {
8279 return Some(
8280 fragment_start_index + shaped_line.index_for_x(x - fragment_start_x)?,
8281 );
8282 }
8283 fragment_start_x = fragment_end_x;
8284 fragment_start_index += shaped_line.len;
8285 }
8286 LineFragment::Element { len, size, .. } => {
8287 let fragment_end_x = fragment_start_x + size.width;
8288 if x < fragment_end_x {
8289 return Some(fragment_start_index);
8290 }
8291 fragment_start_index += len;
8292 fragment_start_x = fragment_end_x;
8293 }
8294 }
8295 }
8296
8297 None
8298 }
8299
8300 pub fn font_id_for_index(&self, index: usize) -> Option<FontId> {
8301 let mut fragment_start_index = 0;
8302
8303 for fragment in &self.fragments {
8304 match fragment {
8305 LineFragment::Text(shaped_line) => {
8306 let fragment_end_index = fragment_start_index + shaped_line.len;
8307 if index < fragment_end_index {
8308 return shaped_line.font_id_for_index(index - fragment_start_index);
8309 }
8310 fragment_start_index = fragment_end_index;
8311 }
8312 LineFragment::Element { len, .. } => {
8313 let fragment_end_index = fragment_start_index + len;
8314 if index < fragment_end_index {
8315 return None;
8316 }
8317 fragment_start_index = fragment_end_index;
8318 }
8319 }
8320 }
8321
8322 None
8323 }
8324}
8325
8326#[derive(Debug, Clone, Copy, PartialEq, Eq)]
8327enum Invisible {
8328 /// A tab character
8329 ///
8330 /// A tab character is internally represented by spaces (configured by the user's tab width)
8331 /// aligned to the nearest column, so it's necessary to store the start and end offset for
8332 /// adjacency checks.
8333 Tab {
8334 line_start_offset: usize,
8335 line_end_offset: usize,
8336 },
8337 Whitespace {
8338 line_offset: usize,
8339 },
8340}
8341
8342impl EditorElement {
8343 /// Returns the rem size to use when rendering the [`EditorElement`].
8344 ///
8345 /// This allows UI elements to scale based on the `buffer_font_size`.
8346 fn rem_size(&self, cx: &mut App) -> Option<Pixels> {
8347 match self.editor.read(cx).mode {
8348 EditorMode::Full {
8349 scale_ui_elements_with_buffer_font_size: true,
8350 ..
8351 }
8352 | EditorMode::Minimap { .. } => {
8353 let buffer_font_size = self.style.text.font_size;
8354 match buffer_font_size {
8355 AbsoluteLength::Pixels(pixels) => {
8356 let rem_size_scale = {
8357 // Our default UI font size is 14px on a 16px base scale.
8358 // This means the default UI font size is 0.875rems.
8359 let default_font_size_scale = 14. / ui::BASE_REM_SIZE_IN_PX;
8360
8361 // We then determine the delta between a single rem and the default font
8362 // size scale.
8363 let default_font_size_delta = 1. - default_font_size_scale;
8364
8365 // Finally, we add this delta to 1rem to get the scale factor that
8366 // should be used to scale up the UI.
8367 1. + default_font_size_delta
8368 };
8369
8370 Some(pixels * rem_size_scale)
8371 }
8372 AbsoluteLength::Rems(rems) => {
8373 Some(rems.to_pixels(ui::BASE_REM_SIZE_IN_PX.into()))
8374 }
8375 }
8376 }
8377 // We currently use single-line and auto-height editors in UI contexts,
8378 // so we don't want to scale everything with the buffer font size, as it
8379 // ends up looking off.
8380 _ => None,
8381 }
8382 }
8383
8384 fn editor_with_selections(&self, cx: &App) -> Option<Entity<Editor>> {
8385 if let EditorMode::Minimap { parent } = self.editor.read(cx).mode() {
8386 parent.upgrade()
8387 } else {
8388 Some(self.editor.clone())
8389 }
8390 }
8391}
8392
8393impl Element for EditorElement {
8394 type RequestLayoutState = ();
8395 type PrepaintState = EditorLayout;
8396
8397 fn id(&self) -> Option<ElementId> {
8398 None
8399 }
8400
8401 fn source_location(&self) -> Option<&'static core::panic::Location<'static>> {
8402 None
8403 }
8404
8405 fn request_layout(
8406 &mut self,
8407 _: Option<&GlobalElementId>,
8408 _inspector_id: Option<&gpui::InspectorElementId>,
8409 window: &mut Window,
8410 cx: &mut App,
8411 ) -> (gpui::LayoutId, ()) {
8412 let rem_size = self.rem_size(cx);
8413 window.with_rem_size(rem_size, |window| {
8414 self.editor.update(cx, |editor, cx| {
8415 editor.set_style(self.style.clone(), window, cx);
8416
8417 let layout_id = match editor.mode {
8418 EditorMode::SingleLine => {
8419 let rem_size = window.rem_size();
8420 let height = self.style.text.line_height_in_pixels(rem_size);
8421 let mut style = Style::default();
8422 style.size.height = height.into();
8423 style.size.width = relative(1.).into();
8424 window.request_layout(style, None, cx)
8425 }
8426 EditorMode::AutoHeight {
8427 min_lines,
8428 max_lines,
8429 } => {
8430 let editor_handle = cx.entity();
8431 let max_line_number_width =
8432 self.max_line_number_width(&editor.snapshot(window, cx), window);
8433 window.request_measured_layout(
8434 Style::default(),
8435 move |known_dimensions, available_space, window, cx| {
8436 editor_handle
8437 .update(cx, |editor, cx| {
8438 compute_auto_height_layout(
8439 editor,
8440 min_lines,
8441 max_lines,
8442 max_line_number_width,
8443 known_dimensions,
8444 available_space.width,
8445 window,
8446 cx,
8447 )
8448 })
8449 .unwrap_or_default()
8450 },
8451 )
8452 }
8453 EditorMode::Minimap { .. } => {
8454 let mut style = Style::default();
8455 style.size.width = relative(1.).into();
8456 style.size.height = relative(1.).into();
8457 window.request_layout(style, None, cx)
8458 }
8459 EditorMode::Full {
8460 sized_by_content, ..
8461 } => {
8462 let mut style = Style::default();
8463 style.size.width = relative(1.).into();
8464 if sized_by_content {
8465 let snapshot = editor.snapshot(window, cx);
8466 let line_height =
8467 self.style.text.line_height_in_pixels(window.rem_size());
8468 let scroll_height =
8469 (snapshot.max_point().row().next_row().0 as f32) * line_height;
8470 style.size.height = scroll_height.into();
8471 } else {
8472 style.size.height = relative(1.).into();
8473 }
8474 window.request_layout(style, None, cx)
8475 }
8476 };
8477
8478 (layout_id, ())
8479 })
8480 })
8481 }
8482
8483 fn prepaint(
8484 &mut self,
8485 _: Option<&GlobalElementId>,
8486 _inspector_id: Option<&gpui::InspectorElementId>,
8487 bounds: Bounds<Pixels>,
8488 _: &mut Self::RequestLayoutState,
8489 window: &mut Window,
8490 cx: &mut App,
8491 ) -> Self::PrepaintState {
8492 let text_style = TextStyleRefinement {
8493 font_size: Some(self.style.text.font_size),
8494 line_height: Some(self.style.text.line_height),
8495 ..Default::default()
8496 };
8497
8498 let is_minimap = self.editor.read(cx).mode.is_minimap();
8499
8500 if !is_minimap {
8501 let focus_handle = self.editor.focus_handle(cx);
8502 window.set_view_id(self.editor.entity_id());
8503 window.set_focus_handle(&focus_handle, cx);
8504 }
8505
8506 let rem_size = self.rem_size(cx);
8507 window.with_rem_size(rem_size, |window| {
8508 window.with_text_style(Some(text_style), |window| {
8509 window.with_content_mask(Some(ContentMask { bounds }), |window| {
8510 let (mut snapshot, is_read_only) = self.editor.update(cx, |editor, cx| {
8511 (editor.snapshot(window, cx), editor.read_only(cx))
8512 });
8513 let style = &self.style;
8514
8515 let rem_size = window.rem_size();
8516 let font_id = window.text_system().resolve_font(&style.text.font());
8517 let font_size = style.text.font_size.to_pixels(rem_size);
8518 let line_height = style.text.line_height_in_pixels(rem_size);
8519 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
8520 let em_advance = window.text_system().em_advance(font_id, font_size).unwrap();
8521 let glyph_grid_cell = size(em_advance, line_height);
8522
8523 let gutter_dimensions = snapshot
8524 .gutter_dimensions(
8525 font_id,
8526 font_size,
8527 self.max_line_number_width(&snapshot, window),
8528 cx,
8529 )
8530 .or_else(|| {
8531 self.editor.read(cx).offset_content.then(|| {
8532 GutterDimensions::default_with_margin(font_id, font_size, cx)
8533 })
8534 })
8535 .unwrap_or_default();
8536 let text_width = bounds.size.width - gutter_dimensions.width;
8537
8538 let settings = EditorSettings::get_global(cx);
8539 let scrollbars_shown = settings.scrollbar.show != ShowScrollbar::Never;
8540 let vertical_scrollbar_width = (scrollbars_shown
8541 && settings.scrollbar.axes.vertical
8542 && self.editor.read(cx).show_scrollbars.vertical)
8543 .then_some(style.scrollbar_width)
8544 .unwrap_or_default();
8545 let minimap_width = self
8546 .get_minimap_width(
8547 &settings.minimap,
8548 scrollbars_shown,
8549 text_width,
8550 em_width,
8551 font_size,
8552 rem_size,
8553 cx,
8554 )
8555 .unwrap_or_default();
8556
8557 let right_margin = minimap_width + vertical_scrollbar_width;
8558
8559 let editor_width =
8560 text_width - gutter_dimensions.margin - 2 * em_width - right_margin;
8561 let editor_margins = EditorMargins {
8562 gutter: gutter_dimensions,
8563 right: right_margin,
8564 };
8565
8566 snapshot = self.editor.update(cx, |editor, cx| {
8567 editor.last_bounds = Some(bounds);
8568 editor.gutter_dimensions = gutter_dimensions;
8569 editor.set_visible_line_count(
8570 (bounds.size.height / line_height) as f64,
8571 window,
8572 cx,
8573 );
8574 editor.set_visible_column_count(f64::from(editor_width / em_advance));
8575
8576 if matches!(
8577 editor.mode,
8578 EditorMode::AutoHeight { .. } | EditorMode::Minimap { .. }
8579 ) {
8580 snapshot
8581 } else {
8582 let wrap_width_for = |column: u32| (column as f32 * em_advance).ceil();
8583 let wrap_width = match editor.soft_wrap_mode(cx) {
8584 SoftWrap::GitDiff => None,
8585 SoftWrap::None => Some(wrap_width_for(MAX_LINE_LEN as u32 / 2)),
8586 SoftWrap::EditorWidth => Some(editor_width),
8587 SoftWrap::Column(column) => Some(wrap_width_for(column)),
8588 SoftWrap::Bounded(column) => {
8589 Some(editor_width.min(wrap_width_for(column)))
8590 }
8591 };
8592
8593 if editor.set_wrap_width(wrap_width, cx) {
8594 editor.snapshot(window, cx)
8595 } else {
8596 snapshot
8597 }
8598 }
8599 });
8600
8601 let hitbox = window.insert_hitbox(bounds, HitboxBehavior::Normal);
8602 let gutter_hitbox = window.insert_hitbox(
8603 gutter_bounds(bounds, gutter_dimensions),
8604 HitboxBehavior::Normal,
8605 );
8606 let text_hitbox = window.insert_hitbox(
8607 Bounds {
8608 origin: gutter_hitbox.top_right(),
8609 size: size(text_width, bounds.size.height),
8610 },
8611 HitboxBehavior::Normal,
8612 );
8613
8614 // Offset the content_bounds from the text_bounds by the gutter margin (which
8615 // is roughly half a character wide) to make hit testing work more like how we want.
8616 let content_offset = point(editor_margins.gutter.margin, Pixels::ZERO);
8617 let content_origin = text_hitbox.origin + content_offset;
8618
8619 let height_in_lines = f64::from(bounds.size.height / line_height);
8620 let max_row = snapshot.max_point().row().as_f64();
8621
8622 // The max scroll position for the top of the window
8623 let max_scroll_top = if matches!(
8624 snapshot.mode,
8625 EditorMode::SingleLine
8626 | EditorMode::AutoHeight { .. }
8627 | EditorMode::Full {
8628 sized_by_content: true,
8629 ..
8630 }
8631 ) {
8632 (max_row - height_in_lines + 1.).max(0.)
8633 } else {
8634 let settings = EditorSettings::get_global(cx);
8635 match settings.scroll_beyond_last_line {
8636 ScrollBeyondLastLine::OnePage => max_row,
8637 ScrollBeyondLastLine::Off => (max_row - height_in_lines + 1.).max(0.),
8638 ScrollBeyondLastLine::VerticalScrollMargin => {
8639 (max_row - height_in_lines + 1. + settings.vertical_scroll_margin)
8640 .max(0.)
8641 }
8642 }
8643 };
8644
8645 let (
8646 autoscroll_request,
8647 autoscroll_containing_element,
8648 needs_horizontal_autoscroll,
8649 ) = self.editor.update(cx, |editor, cx| {
8650 let autoscroll_request = editor.scroll_manager.take_autoscroll_request();
8651
8652 let autoscroll_containing_element =
8653 autoscroll_request.is_some() || editor.has_pending_selection();
8654
8655 let (needs_horizontal_autoscroll, was_scrolled) = editor
8656 .autoscroll_vertically(
8657 bounds,
8658 line_height,
8659 max_scroll_top,
8660 autoscroll_request,
8661 window,
8662 cx,
8663 );
8664 if was_scrolled.0 {
8665 snapshot = editor.snapshot(window, cx);
8666 }
8667 (
8668 autoscroll_request,
8669 autoscroll_containing_element,
8670 needs_horizontal_autoscroll,
8671 )
8672 });
8673
8674 let mut scroll_position = snapshot.scroll_position();
8675 // The scroll position is a fractional point, the whole number of which represents
8676 // the top of the window in terms of display rows.
8677 let start_row = DisplayRow(scroll_position.y as u32);
8678 let max_row = snapshot.max_point().row();
8679 let end_row = cmp::min(
8680 (scroll_position.y + height_in_lines).ceil() as u32,
8681 max_row.next_row().0,
8682 );
8683 let end_row = DisplayRow(end_row);
8684
8685 let row_infos = snapshot
8686 .row_infos(start_row)
8687 .take((start_row..end_row).len())
8688 .collect::<Vec<RowInfo>>();
8689 let is_row_soft_wrapped = |row: usize| {
8690 row_infos
8691 .get(row)
8692 .is_none_or(|info| info.buffer_row.is_none())
8693 };
8694
8695 let start_anchor = if start_row == Default::default() {
8696 Anchor::min()
8697 } else {
8698 snapshot.buffer_snapshot().anchor_before(
8699 DisplayPoint::new(start_row, 0).to_offset(&snapshot, Bias::Left),
8700 )
8701 };
8702 let end_anchor = if end_row > max_row {
8703 Anchor::max()
8704 } else {
8705 snapshot.buffer_snapshot().anchor_before(
8706 DisplayPoint::new(end_row, 0).to_offset(&snapshot, Bias::Right),
8707 )
8708 };
8709
8710 let mut highlighted_rows = self
8711 .editor
8712 .update(cx, |editor, cx| editor.highlighted_display_rows(window, cx));
8713
8714 let is_light = cx.theme().appearance().is_light();
8715
8716 for (ix, row_info) in row_infos.iter().enumerate() {
8717 let Some(diff_status) = row_info.diff_status else {
8718 continue;
8719 };
8720
8721 let background_color = match diff_status.kind {
8722 DiffHunkStatusKind::Added => cx.theme().colors().version_control_added,
8723 DiffHunkStatusKind::Deleted => {
8724 cx.theme().colors().version_control_deleted
8725 }
8726 DiffHunkStatusKind::Modified => {
8727 debug_panic!("modified diff status for row info");
8728 continue;
8729 }
8730 };
8731
8732 let hunk_opacity = if is_light { 0.16 } else { 0.12 };
8733
8734 let hollow_highlight = LineHighlight {
8735 background: (background_color.opacity(if is_light {
8736 0.08
8737 } else {
8738 0.06
8739 }))
8740 .into(),
8741 border: Some(if is_light {
8742 background_color.opacity(0.48)
8743 } else {
8744 background_color.opacity(0.36)
8745 }),
8746 include_gutter: true,
8747 type_id: None,
8748 };
8749
8750 let filled_highlight = LineHighlight {
8751 background: solid_background(background_color.opacity(hunk_opacity)),
8752 border: None,
8753 include_gutter: true,
8754 type_id: None,
8755 };
8756
8757 let background = if Self::diff_hunk_hollow(diff_status, cx) {
8758 hollow_highlight
8759 } else {
8760 filled_highlight
8761 };
8762
8763 highlighted_rows
8764 .entry(start_row + DisplayRow(ix as u32))
8765 .or_insert(background);
8766 }
8767
8768 let highlighted_ranges = self
8769 .editor_with_selections(cx)
8770 .map(|editor| {
8771 editor.read(cx).background_highlights_in_range(
8772 start_anchor..end_anchor,
8773 &snapshot.display_snapshot,
8774 cx.theme(),
8775 )
8776 })
8777 .unwrap_or_default();
8778 let highlighted_gutter_ranges =
8779 self.editor.read(cx).gutter_highlights_in_range(
8780 start_anchor..end_anchor,
8781 &snapshot.display_snapshot,
8782 cx,
8783 );
8784
8785 let document_colors = self
8786 .editor
8787 .read(cx)
8788 .colors
8789 .as_ref()
8790 .map(|colors| colors.editor_display_highlights(&snapshot));
8791 let redacted_ranges = self.editor.read(cx).redacted_ranges(
8792 start_anchor..end_anchor,
8793 &snapshot.display_snapshot,
8794 cx,
8795 );
8796
8797 let (local_selections, selected_buffer_ids): (
8798 Vec<Selection<Point>>,
8799 Vec<BufferId>,
8800 ) = self
8801 .editor_with_selections(cx)
8802 .map(|editor| {
8803 editor.update(cx, |editor, cx| {
8804 let all_selections =
8805 editor.selections.all::<Point>(&snapshot.display_snapshot);
8806 let selected_buffer_ids =
8807 if editor.buffer_kind(cx) == ItemBufferKind::Singleton {
8808 Vec::new()
8809 } else {
8810 let mut selected_buffer_ids =
8811 Vec::with_capacity(all_selections.len());
8812
8813 for selection in all_selections {
8814 for buffer_id in snapshot
8815 .buffer_snapshot()
8816 .buffer_ids_for_range(selection.range())
8817 {
8818 if selected_buffer_ids.last() != Some(&buffer_id) {
8819 selected_buffer_ids.push(buffer_id);
8820 }
8821 }
8822 }
8823
8824 selected_buffer_ids
8825 };
8826
8827 let mut selections = editor.selections.disjoint_in_range(
8828 start_anchor..end_anchor,
8829 &snapshot.display_snapshot,
8830 );
8831 selections
8832 .extend(editor.selections.pending(&snapshot.display_snapshot));
8833
8834 (selections, selected_buffer_ids)
8835 })
8836 })
8837 .unwrap_or_default();
8838
8839 let (selections, mut active_rows, newest_selection_head) = self
8840 .layout_selections(
8841 start_anchor,
8842 end_anchor,
8843 &local_selections,
8844 &snapshot,
8845 start_row,
8846 end_row,
8847 window,
8848 cx,
8849 );
8850 let mut breakpoint_rows = self.editor.update(cx, |editor, cx| {
8851 editor.active_breakpoints(start_row..end_row, window, cx)
8852 });
8853 for (display_row, (_, bp, state)) in &breakpoint_rows {
8854 if bp.is_enabled() && state.is_none_or(|s| s.verified) {
8855 active_rows.entry(*display_row).or_default().breakpoint = true;
8856 }
8857 }
8858
8859 let line_numbers = self.layout_line_numbers(
8860 Some(&gutter_hitbox),
8861 gutter_dimensions,
8862 line_height,
8863 scroll_position,
8864 start_row..end_row,
8865 &row_infos,
8866 &active_rows,
8867 newest_selection_head,
8868 &snapshot,
8869 window,
8870 cx,
8871 );
8872
8873 // We add the gutter breakpoint indicator to breakpoint_rows after painting
8874 // line numbers so we don't paint a line number debug accent color if a user
8875 // has their mouse over that line when a breakpoint isn't there
8876 self.editor.update(cx, |editor, _| {
8877 if let Some(phantom_breakpoint) = &mut editor
8878 .gutter_breakpoint_indicator
8879 .0
8880 .filter(|phantom_breakpoint| phantom_breakpoint.is_active)
8881 {
8882 // Is there a non-phantom breakpoint on this line?
8883 phantom_breakpoint.collides_with_existing_breakpoint = true;
8884 breakpoint_rows
8885 .entry(phantom_breakpoint.display_row)
8886 .or_insert_with(|| {
8887 let position = snapshot.display_point_to_anchor(
8888 DisplayPoint::new(phantom_breakpoint.display_row, 0),
8889 Bias::Right,
8890 );
8891 let breakpoint = Breakpoint::new_standard();
8892 phantom_breakpoint.collides_with_existing_breakpoint = false;
8893 (position, breakpoint, None)
8894 });
8895 }
8896 });
8897
8898 let mut expand_toggles =
8899 window.with_element_namespace("expand_toggles", |window| {
8900 self.layout_expand_toggles(
8901 &gutter_hitbox,
8902 gutter_dimensions,
8903 em_width,
8904 line_height,
8905 scroll_position,
8906 &row_infos,
8907 window,
8908 cx,
8909 )
8910 });
8911
8912 let mut crease_toggles =
8913 window.with_element_namespace("crease_toggles", |window| {
8914 self.layout_crease_toggles(
8915 start_row..end_row,
8916 &row_infos,
8917 &active_rows,
8918 &snapshot,
8919 window,
8920 cx,
8921 )
8922 });
8923 let crease_trailers =
8924 window.with_element_namespace("crease_trailers", |window| {
8925 self.layout_crease_trailers(
8926 row_infos.iter().copied(),
8927 &snapshot,
8928 window,
8929 cx,
8930 )
8931 });
8932
8933 let display_hunks = self.layout_gutter_diff_hunks(
8934 line_height,
8935 &gutter_hitbox,
8936 start_row..end_row,
8937 &snapshot,
8938 window,
8939 cx,
8940 );
8941
8942 let bg_segments_per_row = Self::bg_segments_per_row(
8943 start_row..end_row,
8944 &selections,
8945 &highlighted_ranges,
8946 self.style.background,
8947 );
8948
8949 let mut line_layouts = Self::layout_lines(
8950 start_row..end_row,
8951 &snapshot,
8952 &self.style,
8953 editor_width,
8954 is_row_soft_wrapped,
8955 &bg_segments_per_row,
8956 window,
8957 cx,
8958 );
8959 let new_renderer_widths = (!is_minimap).then(|| {
8960 line_layouts
8961 .iter()
8962 .flat_map(|layout| &layout.fragments)
8963 .filter_map(|fragment| {
8964 if let LineFragment::Element { id, size, .. } = fragment {
8965 Some((*id, size.width))
8966 } else {
8967 None
8968 }
8969 })
8970 });
8971 if new_renderer_widths.is_some_and(|new_renderer_widths| {
8972 self.editor.update(cx, |editor, cx| {
8973 editor.update_renderer_widths(new_renderer_widths, cx)
8974 })
8975 }) {
8976 // If the fold widths have changed, we need to prepaint
8977 // the element again to account for any changes in
8978 // wrapping.
8979 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
8980 }
8981
8982 let longest_line_blame_width = self
8983 .editor
8984 .update(cx, |editor, cx| {
8985 if !editor.show_git_blame_inline {
8986 return None;
8987 }
8988 let blame = editor.blame.as_ref()?;
8989 let (_, blame_entry) = blame
8990 .update(cx, |blame, cx| {
8991 let row_infos =
8992 snapshot.row_infos(snapshot.longest_row()).next()?;
8993 blame.blame_for_rows(&[row_infos], cx).next()
8994 })
8995 .flatten()?;
8996 let mut element = render_inline_blame_entry(blame_entry, style, cx)?;
8997 let inline_blame_padding =
8998 ProjectSettings::get_global(cx).git.inline_blame.padding as f32
8999 * em_advance;
9000 Some(
9001 element
9002 .layout_as_root(AvailableSpace::min_size(), window, cx)
9003 .width
9004 + inline_blame_padding,
9005 )
9006 })
9007 .unwrap_or(Pixels::ZERO);
9008
9009 let longest_line_width = layout_line(
9010 snapshot.longest_row(),
9011 &snapshot,
9012 style,
9013 editor_width,
9014 is_row_soft_wrapped,
9015 window,
9016 cx,
9017 )
9018 .width;
9019
9020 let scrollbar_layout_information = ScrollbarLayoutInformation::new(
9021 text_hitbox.bounds,
9022 glyph_grid_cell,
9023 size(
9024 longest_line_width,
9025 Pixels::from(max_row.as_f64() * f64::from(line_height)),
9026 ),
9027 longest_line_blame_width,
9028 EditorSettings::get_global(cx),
9029 );
9030
9031 let mut scroll_width = scrollbar_layout_information.scroll_range.width;
9032
9033 let sticky_header_excerpt = if snapshot.buffer_snapshot().show_headers() {
9034 snapshot.sticky_header_excerpt(scroll_position.y)
9035 } else {
9036 None
9037 };
9038 let sticky_header_excerpt_id =
9039 sticky_header_excerpt.as_ref().map(|top| top.excerpt.id);
9040
9041 let blocks = (!is_minimap)
9042 .then(|| {
9043 window.with_element_namespace("blocks", |window| {
9044 self.render_blocks(
9045 start_row..end_row,
9046 &snapshot,
9047 &hitbox,
9048 &text_hitbox,
9049 editor_width,
9050 &mut scroll_width,
9051 &editor_margins,
9052 em_width,
9053 gutter_dimensions.full_width(),
9054 line_height,
9055 &mut line_layouts,
9056 &local_selections,
9057 &selected_buffer_ids,
9058 is_row_soft_wrapped,
9059 sticky_header_excerpt_id,
9060 window,
9061 cx,
9062 )
9063 })
9064 })
9065 .unwrap_or_else(|| Ok((Vec::default(), HashMap::default())));
9066 let (mut blocks, row_block_types) = match blocks {
9067 Ok(blocks) => blocks,
9068 Err(resized_blocks) => {
9069 self.editor.update(cx, |editor, cx| {
9070 editor.resize_blocks(
9071 resized_blocks,
9072 autoscroll_request.map(|(autoscroll, _)| autoscroll),
9073 cx,
9074 )
9075 });
9076 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
9077 }
9078 };
9079
9080 let sticky_buffer_header = sticky_header_excerpt.map(|sticky_header_excerpt| {
9081 window.with_element_namespace("blocks", |window| {
9082 self.layout_sticky_buffer_header(
9083 sticky_header_excerpt,
9084 scroll_position,
9085 line_height,
9086 right_margin,
9087 &snapshot,
9088 &hitbox,
9089 &selected_buffer_ids,
9090 &blocks,
9091 window,
9092 cx,
9093 )
9094 })
9095 });
9096
9097 let start_buffer_row =
9098 MultiBufferRow(start_anchor.to_point(&snapshot.buffer_snapshot()).row);
9099 let end_buffer_row =
9100 MultiBufferRow(end_anchor.to_point(&snapshot.buffer_snapshot()).row);
9101
9102 let scroll_max: gpui::Point<ScrollPixelOffset> = point(
9103 ScrollPixelOffset::from(
9104 ((scroll_width - editor_width) / em_advance).max(0.0),
9105 ),
9106 max_scroll_top,
9107 );
9108
9109 self.editor.update(cx, |editor, cx| {
9110 if editor.scroll_manager.clamp_scroll_left(scroll_max.x) {
9111 scroll_position.x = scroll_position.x.min(scroll_max.x);
9112 }
9113
9114 if needs_horizontal_autoscroll.0
9115 && let Some(new_scroll_position) = editor.autoscroll_horizontally(
9116 start_row,
9117 editor_width,
9118 scroll_width,
9119 em_advance,
9120 &line_layouts,
9121 autoscroll_request,
9122 window,
9123 cx,
9124 )
9125 {
9126 scroll_position = new_scroll_position;
9127 }
9128 });
9129
9130 let scroll_pixel_position = point(
9131 scroll_position.x * f64::from(em_advance),
9132 scroll_position.y * f64::from(line_height),
9133 );
9134 let indent_guides = self.layout_indent_guides(
9135 content_origin,
9136 text_hitbox.origin,
9137 start_buffer_row..end_buffer_row,
9138 scroll_pixel_position,
9139 line_height,
9140 &snapshot,
9141 window,
9142 cx,
9143 );
9144
9145 let crease_trailers =
9146 window.with_element_namespace("crease_trailers", |window| {
9147 self.prepaint_crease_trailers(
9148 crease_trailers,
9149 &line_layouts,
9150 line_height,
9151 content_origin,
9152 scroll_pixel_position,
9153 em_width,
9154 window,
9155 cx,
9156 )
9157 });
9158
9159 let (edit_prediction_popover, edit_prediction_popover_origin) = self
9160 .editor
9161 .update(cx, |editor, cx| {
9162 editor.render_edit_prediction_popover(
9163 &text_hitbox.bounds,
9164 content_origin,
9165 right_margin,
9166 &snapshot,
9167 start_row..end_row,
9168 scroll_position.y,
9169 scroll_position.y + height_in_lines,
9170 &line_layouts,
9171 line_height,
9172 scroll_position,
9173 scroll_pixel_position,
9174 newest_selection_head,
9175 editor_width,
9176 style,
9177 window,
9178 cx,
9179 )
9180 })
9181 .unzip();
9182
9183 let mut inline_diagnostics = self.layout_inline_diagnostics(
9184 &line_layouts,
9185 &crease_trailers,
9186 &row_block_types,
9187 content_origin,
9188 scroll_position,
9189 scroll_pixel_position,
9190 edit_prediction_popover_origin,
9191 start_row,
9192 end_row,
9193 line_height,
9194 em_width,
9195 style,
9196 window,
9197 cx,
9198 );
9199
9200 let mut inline_blame_layout = None;
9201 let mut inline_code_actions = None;
9202 if let Some(newest_selection_head) = newest_selection_head {
9203 let display_row = newest_selection_head.row();
9204 if (start_row..end_row).contains(&display_row)
9205 && !row_block_types.contains_key(&display_row)
9206 {
9207 inline_code_actions = self.layout_inline_code_actions(
9208 newest_selection_head,
9209 content_origin,
9210 scroll_position,
9211 scroll_pixel_position,
9212 line_height,
9213 &snapshot,
9214 window,
9215 cx,
9216 );
9217
9218 let line_ix = display_row.minus(start_row) as usize;
9219 if let (Some(row_info), Some(line_layout), Some(crease_trailer)) = (
9220 row_infos.get(line_ix),
9221 line_layouts.get(line_ix),
9222 crease_trailers.get(line_ix),
9223 ) {
9224 let crease_trailer_layout = crease_trailer.as_ref();
9225 if let Some(layout) = self.layout_inline_blame(
9226 display_row,
9227 row_info,
9228 line_layout,
9229 crease_trailer_layout,
9230 em_width,
9231 content_origin,
9232 scroll_position,
9233 scroll_pixel_position,
9234 line_height,
9235 &text_hitbox,
9236 window,
9237 cx,
9238 ) {
9239 inline_blame_layout = Some(layout);
9240 // Blame overrides inline diagnostics
9241 inline_diagnostics.remove(&display_row);
9242 }
9243 } else {
9244 log::error!(
9245 "bug: line_ix {} is out of bounds - row_infos.len(): {}, \
9246 line_layouts.len(): {}, \
9247 crease_trailers.len(): {}",
9248 line_ix,
9249 row_infos.len(),
9250 line_layouts.len(),
9251 crease_trailers.len(),
9252 );
9253 }
9254 }
9255 }
9256
9257 let blamed_display_rows = self.layout_blame_entries(
9258 &row_infos,
9259 em_width,
9260 scroll_position,
9261 line_height,
9262 &gutter_hitbox,
9263 gutter_dimensions.git_blame_entries_width,
9264 window,
9265 cx,
9266 );
9267
9268 let line_elements = self.prepaint_lines(
9269 start_row,
9270 &mut line_layouts,
9271 line_height,
9272 scroll_position,
9273 scroll_pixel_position,
9274 content_origin,
9275 window,
9276 cx,
9277 );
9278
9279 window.with_element_namespace("blocks", |window| {
9280 self.layout_blocks(
9281 &mut blocks,
9282 &hitbox,
9283 line_height,
9284 scroll_position,
9285 scroll_pixel_position,
9286 window,
9287 cx,
9288 );
9289 });
9290
9291 let cursors = self.collect_cursors(&snapshot, cx);
9292 let visible_row_range = start_row..end_row;
9293 let non_visible_cursors = cursors
9294 .iter()
9295 .any(|c| !visible_row_range.contains(&c.0.row()));
9296
9297 let visible_cursors = self.layout_visible_cursors(
9298 &snapshot,
9299 &selections,
9300 &row_block_types,
9301 start_row..end_row,
9302 &line_layouts,
9303 &text_hitbox,
9304 content_origin,
9305 scroll_position,
9306 scroll_pixel_position,
9307 line_height,
9308 em_width,
9309 em_advance,
9310 autoscroll_containing_element,
9311 window,
9312 cx,
9313 );
9314
9315 let scrollbars_layout = self.layout_scrollbars(
9316 &snapshot,
9317 &scrollbar_layout_information,
9318 content_offset,
9319 scroll_position,
9320 non_visible_cursors,
9321 right_margin,
9322 editor_width,
9323 window,
9324 cx,
9325 );
9326
9327 let gutter_settings = EditorSettings::get_global(cx).gutter;
9328
9329 let context_menu_layout =
9330 if let Some(newest_selection_head) = newest_selection_head {
9331 let newest_selection_point =
9332 newest_selection_head.to_point(&snapshot.display_snapshot);
9333 if (start_row..end_row).contains(&newest_selection_head.row()) {
9334 self.layout_cursor_popovers(
9335 line_height,
9336 &text_hitbox,
9337 content_origin,
9338 right_margin,
9339 start_row,
9340 scroll_pixel_position,
9341 &line_layouts,
9342 newest_selection_head,
9343 newest_selection_point,
9344 style,
9345 window,
9346 cx,
9347 )
9348 } else {
9349 None
9350 }
9351 } else {
9352 None
9353 };
9354
9355 self.layout_gutter_menu(
9356 line_height,
9357 &text_hitbox,
9358 content_origin,
9359 right_margin,
9360 scroll_pixel_position,
9361 gutter_dimensions.width - gutter_dimensions.left_padding,
9362 window,
9363 cx,
9364 );
9365
9366 let test_indicators = if gutter_settings.runnables {
9367 self.layout_run_indicators(
9368 line_height,
9369 start_row..end_row,
9370 &row_infos,
9371 scroll_position,
9372 &gutter_dimensions,
9373 &gutter_hitbox,
9374 &display_hunks,
9375 &snapshot,
9376 &mut breakpoint_rows,
9377 window,
9378 cx,
9379 )
9380 } else {
9381 Vec::new()
9382 };
9383
9384 let show_breakpoints = snapshot
9385 .show_breakpoints
9386 .unwrap_or(gutter_settings.breakpoints);
9387 let breakpoints = if show_breakpoints {
9388 self.layout_breakpoints(
9389 line_height,
9390 start_row..end_row,
9391 scroll_position,
9392 &gutter_dimensions,
9393 &gutter_hitbox,
9394 &display_hunks,
9395 &snapshot,
9396 breakpoint_rows,
9397 &row_infos,
9398 window,
9399 cx,
9400 )
9401 } else {
9402 Vec::new()
9403 };
9404
9405 self.layout_signature_help(
9406 &hitbox,
9407 content_origin,
9408 scroll_pixel_position,
9409 newest_selection_head,
9410 start_row,
9411 &line_layouts,
9412 line_height,
9413 em_width,
9414 context_menu_layout,
9415 window,
9416 cx,
9417 );
9418
9419 if !cx.has_active_drag() {
9420 self.layout_hover_popovers(
9421 &snapshot,
9422 &hitbox,
9423 start_row..end_row,
9424 content_origin,
9425 scroll_pixel_position,
9426 &line_layouts,
9427 line_height,
9428 em_width,
9429 context_menu_layout,
9430 window,
9431 cx,
9432 );
9433 }
9434
9435 let mouse_context_menu = self.layout_mouse_context_menu(
9436 &snapshot,
9437 start_row..end_row,
9438 content_origin,
9439 window,
9440 cx,
9441 );
9442
9443 window.with_element_namespace("crease_toggles", |window| {
9444 self.prepaint_crease_toggles(
9445 &mut crease_toggles,
9446 line_height,
9447 &gutter_dimensions,
9448 gutter_settings,
9449 scroll_pixel_position,
9450 &gutter_hitbox,
9451 window,
9452 cx,
9453 )
9454 });
9455
9456 window.with_element_namespace("expand_toggles", |window| {
9457 self.prepaint_expand_toggles(&mut expand_toggles, window, cx)
9458 });
9459
9460 let wrap_guides = self.layout_wrap_guides(
9461 em_advance,
9462 scroll_position,
9463 content_origin,
9464 scrollbars_layout.as_ref(),
9465 vertical_scrollbar_width,
9466 &hitbox,
9467 window,
9468 cx,
9469 );
9470
9471 let minimap = window.with_element_namespace("minimap", |window| {
9472 self.layout_minimap(
9473 &snapshot,
9474 minimap_width,
9475 scroll_position,
9476 &scrollbar_layout_information,
9477 scrollbars_layout.as_ref(),
9478 window,
9479 cx,
9480 )
9481 });
9482
9483 let invisible_symbol_font_size = font_size / 2.;
9484 let whitespace_map = &self
9485 .editor
9486 .read(cx)
9487 .buffer
9488 .read(cx)
9489 .language_settings(cx)
9490 .whitespace_map;
9491
9492 let tab_char = whitespace_map.tab.clone();
9493 let tab_len = tab_char.len();
9494 let tab_invisible = window.text_system().shape_line(
9495 tab_char,
9496 invisible_symbol_font_size,
9497 &[TextRun {
9498 len: tab_len,
9499 font: self.style.text.font(),
9500 color: cx.theme().colors().editor_invisible,
9501 background_color: None,
9502 underline: None,
9503 strikethrough: None,
9504 }],
9505 None,
9506 );
9507
9508 let space_char = whitespace_map.space.clone();
9509 let space_len = space_char.len();
9510 let space_invisible = window.text_system().shape_line(
9511 space_char,
9512 invisible_symbol_font_size,
9513 &[TextRun {
9514 len: space_len,
9515 font: self.style.text.font(),
9516 color: cx.theme().colors().editor_invisible,
9517 background_color: None,
9518 underline: None,
9519 strikethrough: None,
9520 }],
9521 None,
9522 );
9523
9524 let mode = snapshot.mode.clone();
9525
9526 let (diff_hunk_controls, diff_hunk_control_bounds) = if is_read_only {
9527 (vec![], vec![])
9528 } else {
9529 self.layout_diff_hunk_controls(
9530 start_row..end_row,
9531 &row_infos,
9532 &text_hitbox,
9533 newest_selection_head,
9534 line_height,
9535 right_margin,
9536 scroll_pixel_position,
9537 &display_hunks,
9538 &highlighted_rows,
9539 self.editor.clone(),
9540 window,
9541 cx,
9542 )
9543 };
9544
9545 let position_map = Rc::new(PositionMap {
9546 size: bounds.size,
9547 visible_row_range,
9548 scroll_position,
9549 scroll_pixel_position,
9550 scroll_max,
9551 line_layouts,
9552 line_height,
9553 em_width,
9554 em_advance,
9555 snapshot,
9556 gutter_hitbox: gutter_hitbox.clone(),
9557 text_hitbox: text_hitbox.clone(),
9558 inline_blame_bounds: inline_blame_layout
9559 .as_ref()
9560 .map(|layout| (layout.bounds, layout.buffer_id, layout.entry.clone())),
9561 display_hunks: display_hunks.clone(),
9562 diff_hunk_control_bounds,
9563 });
9564
9565 self.editor.update(cx, |editor, _| {
9566 editor.last_position_map = Some(position_map.clone())
9567 });
9568
9569 EditorLayout {
9570 mode,
9571 position_map,
9572 visible_display_row_range: start_row..end_row,
9573 wrap_guides,
9574 indent_guides,
9575 hitbox,
9576 gutter_hitbox,
9577 display_hunks,
9578 content_origin,
9579 scrollbars_layout,
9580 minimap,
9581 active_rows,
9582 highlighted_rows,
9583 highlighted_ranges,
9584 highlighted_gutter_ranges,
9585 redacted_ranges,
9586 document_colors,
9587 line_elements,
9588 line_numbers,
9589 blamed_display_rows,
9590 inline_diagnostics,
9591 inline_blame_layout,
9592 inline_code_actions,
9593 blocks,
9594 cursors,
9595 visible_cursors,
9596 selections,
9597 edit_prediction_popover,
9598 diff_hunk_controls,
9599 mouse_context_menu,
9600 test_indicators,
9601 breakpoints,
9602 crease_toggles,
9603 crease_trailers,
9604 tab_invisible,
9605 space_invisible,
9606 sticky_buffer_header,
9607 expand_toggles,
9608 }
9609 })
9610 })
9611 })
9612 }
9613
9614 fn paint(
9615 &mut self,
9616 _: Option<&GlobalElementId>,
9617 _inspector_id: Option<&gpui::InspectorElementId>,
9618 bounds: Bounds<gpui::Pixels>,
9619 _: &mut Self::RequestLayoutState,
9620 layout: &mut Self::PrepaintState,
9621 window: &mut Window,
9622 cx: &mut App,
9623 ) {
9624 if !layout.mode.is_minimap() {
9625 let focus_handle = self.editor.focus_handle(cx);
9626 let key_context = self
9627 .editor
9628 .update(cx, |editor, cx| editor.key_context(window, cx));
9629
9630 window.set_key_context(key_context);
9631 window.handle_input(
9632 &focus_handle,
9633 ElementInputHandler::new(bounds, self.editor.clone()),
9634 cx,
9635 );
9636 self.register_actions(window, cx);
9637 self.register_key_listeners(window, cx, layout);
9638 }
9639
9640 let text_style = TextStyleRefinement {
9641 font_size: Some(self.style.text.font_size),
9642 line_height: Some(self.style.text.line_height),
9643 ..Default::default()
9644 };
9645 let rem_size = self.rem_size(cx);
9646 window.with_rem_size(rem_size, |window| {
9647 window.with_text_style(Some(text_style), |window| {
9648 window.with_content_mask(Some(ContentMask { bounds }), |window| {
9649 self.paint_mouse_listeners(layout, window, cx);
9650 self.paint_background(layout, window, cx);
9651 self.paint_indent_guides(layout, window, cx);
9652
9653 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9654 self.paint_blamed_display_rows(layout, window, cx);
9655 self.paint_line_numbers(layout, window, cx);
9656 }
9657
9658 self.paint_text(layout, window, cx);
9659
9660 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9661 self.paint_gutter_highlights(layout, window, cx);
9662 self.paint_gutter_indicators(layout, window, cx);
9663 }
9664
9665 if !layout.blocks.is_empty() {
9666 window.with_element_namespace("blocks", |window| {
9667 self.paint_blocks(layout, window, cx);
9668 });
9669 }
9670
9671 window.with_element_namespace("blocks", |window| {
9672 if let Some(mut sticky_header) = layout.sticky_buffer_header.take() {
9673 sticky_header.paint(window, cx)
9674 }
9675 });
9676
9677 self.paint_minimap(layout, window, cx);
9678 self.paint_scrollbars(layout, window, cx);
9679 self.paint_edit_prediction_popover(layout, window, cx);
9680 self.paint_mouse_context_menu(layout, window, cx);
9681 });
9682 })
9683 })
9684 }
9685}
9686
9687pub(super) fn gutter_bounds(
9688 editor_bounds: Bounds<Pixels>,
9689 gutter_dimensions: GutterDimensions,
9690) -> Bounds<Pixels> {
9691 Bounds {
9692 origin: editor_bounds.origin,
9693 size: size(gutter_dimensions.width, editor_bounds.size.height),
9694 }
9695}
9696
9697#[derive(Clone, Copy)]
9698struct ContextMenuLayout {
9699 y_flipped: bool,
9700 bounds: Bounds<Pixels>,
9701}
9702
9703/// Holds information required for layouting the editor scrollbars.
9704struct ScrollbarLayoutInformation {
9705 /// The bounds of the editor area (excluding the content offset).
9706 editor_bounds: Bounds<Pixels>,
9707 /// The available range to scroll within the document.
9708 scroll_range: Size<Pixels>,
9709 /// The space available for one glyph in the editor.
9710 glyph_grid_cell: Size<Pixels>,
9711}
9712
9713impl ScrollbarLayoutInformation {
9714 pub fn new(
9715 editor_bounds: Bounds<Pixels>,
9716 glyph_grid_cell: Size<Pixels>,
9717 document_size: Size<Pixels>,
9718 longest_line_blame_width: Pixels,
9719 settings: &EditorSettings,
9720 ) -> Self {
9721 let vertical_overscroll = match settings.scroll_beyond_last_line {
9722 ScrollBeyondLastLine::OnePage => editor_bounds.size.height,
9723 ScrollBeyondLastLine::Off => glyph_grid_cell.height,
9724 ScrollBeyondLastLine::VerticalScrollMargin => {
9725 (1.0 + settings.vertical_scroll_margin) as f32 * glyph_grid_cell.height
9726 }
9727 };
9728
9729 let overscroll = size(longest_line_blame_width, vertical_overscroll);
9730
9731 ScrollbarLayoutInformation {
9732 editor_bounds,
9733 scroll_range: document_size + overscroll,
9734 glyph_grid_cell,
9735 }
9736 }
9737}
9738
9739impl IntoElement for EditorElement {
9740 type Element = Self;
9741
9742 fn into_element(self) -> Self::Element {
9743 self
9744 }
9745}
9746
9747pub struct EditorLayout {
9748 position_map: Rc<PositionMap>,
9749 hitbox: Hitbox,
9750 gutter_hitbox: Hitbox,
9751 content_origin: gpui::Point<Pixels>,
9752 scrollbars_layout: Option<EditorScrollbars>,
9753 minimap: Option<MinimapLayout>,
9754 mode: EditorMode,
9755 wrap_guides: SmallVec<[(Pixels, bool); 2]>,
9756 indent_guides: Option<Vec<IndentGuideLayout>>,
9757 visible_display_row_range: Range<DisplayRow>,
9758 active_rows: BTreeMap<DisplayRow, LineHighlightSpec>,
9759 highlighted_rows: BTreeMap<DisplayRow, LineHighlight>,
9760 line_elements: SmallVec<[AnyElement; 1]>,
9761 line_numbers: Arc<HashMap<MultiBufferRow, LineNumberLayout>>,
9762 display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
9763 blamed_display_rows: Option<Vec<AnyElement>>,
9764 inline_diagnostics: HashMap<DisplayRow, AnyElement>,
9765 inline_blame_layout: Option<InlineBlameLayout>,
9766 inline_code_actions: Option<AnyElement>,
9767 blocks: Vec<BlockLayout>,
9768 highlighted_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9769 highlighted_gutter_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9770 redacted_ranges: Vec<Range<DisplayPoint>>,
9771 cursors: Vec<(DisplayPoint, Hsla)>,
9772 visible_cursors: Vec<CursorLayout>,
9773 selections: Vec<(PlayerColor, Vec<SelectionLayout>)>,
9774 test_indicators: Vec<AnyElement>,
9775 breakpoints: Vec<AnyElement>,
9776 crease_toggles: Vec<Option<AnyElement>>,
9777 expand_toggles: Vec<Option<(AnyElement, gpui::Point<Pixels>)>>,
9778 diff_hunk_controls: Vec<AnyElement>,
9779 crease_trailers: Vec<Option<CreaseTrailerLayout>>,
9780 edit_prediction_popover: Option<AnyElement>,
9781 mouse_context_menu: Option<AnyElement>,
9782 tab_invisible: ShapedLine,
9783 space_invisible: ShapedLine,
9784 sticky_buffer_header: Option<AnyElement>,
9785 document_colors: Option<(DocumentColorsRenderMode, Vec<(Range<DisplayPoint>, Hsla)>)>,
9786}
9787
9788impl EditorLayout {
9789 fn line_end_overshoot(&self) -> Pixels {
9790 0.15 * self.position_map.line_height
9791 }
9792}
9793
9794struct LineNumberLayout {
9795 shaped_line: ShapedLine,
9796 hitbox: Option<Hitbox>,
9797}
9798
9799struct ColoredRange<T> {
9800 start: T,
9801 end: T,
9802 color: Hsla,
9803}
9804
9805impl Along for ScrollbarAxes {
9806 type Unit = bool;
9807
9808 fn along(&self, axis: ScrollbarAxis) -> Self::Unit {
9809 match axis {
9810 ScrollbarAxis::Horizontal => self.horizontal,
9811 ScrollbarAxis::Vertical => self.vertical,
9812 }
9813 }
9814
9815 fn apply_along(&self, axis: ScrollbarAxis, f: impl FnOnce(Self::Unit) -> Self::Unit) -> Self {
9816 match axis {
9817 ScrollbarAxis::Horizontal => ScrollbarAxes {
9818 horizontal: f(self.horizontal),
9819 vertical: self.vertical,
9820 },
9821 ScrollbarAxis::Vertical => ScrollbarAxes {
9822 horizontal: self.horizontal,
9823 vertical: f(self.vertical),
9824 },
9825 }
9826 }
9827}
9828
9829#[derive(Clone)]
9830struct EditorScrollbars {
9831 pub vertical: Option<ScrollbarLayout>,
9832 pub horizontal: Option<ScrollbarLayout>,
9833 pub visible: bool,
9834}
9835
9836impl EditorScrollbars {
9837 pub fn from_scrollbar_axes(
9838 show_scrollbar: ScrollbarAxes,
9839 layout_information: &ScrollbarLayoutInformation,
9840 content_offset: gpui::Point<Pixels>,
9841 scroll_position: gpui::Point<f64>,
9842 scrollbar_width: Pixels,
9843 right_margin: Pixels,
9844 editor_width: Pixels,
9845 show_scrollbars: bool,
9846 scrollbar_state: Option<&ActiveScrollbarState>,
9847 window: &mut Window,
9848 ) -> Self {
9849 let ScrollbarLayoutInformation {
9850 editor_bounds,
9851 scroll_range,
9852 glyph_grid_cell,
9853 } = layout_information;
9854
9855 let viewport_size = size(editor_width, editor_bounds.size.height);
9856
9857 let scrollbar_bounds_for = |axis: ScrollbarAxis| match axis {
9858 ScrollbarAxis::Horizontal => Bounds::from_corner_and_size(
9859 Corner::BottomLeft,
9860 editor_bounds.bottom_left(),
9861 size(
9862 // The horizontal viewport size differs from the space available for the
9863 // horizontal scrollbar, so we have to manually stitch it together here.
9864 editor_bounds.size.width - right_margin,
9865 scrollbar_width,
9866 ),
9867 ),
9868 ScrollbarAxis::Vertical => Bounds::from_corner_and_size(
9869 Corner::TopRight,
9870 editor_bounds.top_right(),
9871 size(scrollbar_width, viewport_size.height),
9872 ),
9873 };
9874
9875 let mut create_scrollbar_layout = |axis| {
9876 let viewport_size = viewport_size.along(axis);
9877 let scroll_range = scroll_range.along(axis);
9878
9879 // We always want a vertical scrollbar track for scrollbar diagnostic visibility.
9880 (show_scrollbar.along(axis)
9881 && (axis == ScrollbarAxis::Vertical || scroll_range > viewport_size))
9882 .then(|| {
9883 ScrollbarLayout::new(
9884 window.insert_hitbox(scrollbar_bounds_for(axis), HitboxBehavior::Normal),
9885 viewport_size,
9886 scroll_range,
9887 glyph_grid_cell.along(axis),
9888 content_offset.along(axis),
9889 scroll_position.along(axis),
9890 show_scrollbars,
9891 axis,
9892 )
9893 .with_thumb_state(
9894 scrollbar_state.and_then(|state| state.thumb_state_for_axis(axis)),
9895 )
9896 })
9897 };
9898
9899 Self {
9900 vertical: create_scrollbar_layout(ScrollbarAxis::Vertical),
9901 horizontal: create_scrollbar_layout(ScrollbarAxis::Horizontal),
9902 visible: show_scrollbars,
9903 }
9904 }
9905
9906 pub fn iter_scrollbars(&self) -> impl Iterator<Item = (&ScrollbarLayout, ScrollbarAxis)> + '_ {
9907 [
9908 (&self.vertical, ScrollbarAxis::Vertical),
9909 (&self.horizontal, ScrollbarAxis::Horizontal),
9910 ]
9911 .into_iter()
9912 .filter_map(|(scrollbar, axis)| scrollbar.as_ref().map(|s| (s, axis)))
9913 }
9914
9915 /// Returns the currently hovered scrollbar axis, if any.
9916 pub fn get_hovered_axis(&self, window: &Window) -> Option<(&ScrollbarLayout, ScrollbarAxis)> {
9917 self.iter_scrollbars()
9918 .find(|s| s.0.hitbox.is_hovered(window))
9919 }
9920}
9921
9922#[derive(Clone)]
9923struct ScrollbarLayout {
9924 hitbox: Hitbox,
9925 visible_range: Range<ScrollOffset>,
9926 text_unit_size: Pixels,
9927 thumb_bounds: Option<Bounds<Pixels>>,
9928 thumb_state: ScrollbarThumbState,
9929}
9930
9931impl ScrollbarLayout {
9932 const BORDER_WIDTH: Pixels = px(1.0);
9933 const LINE_MARKER_HEIGHT: Pixels = px(2.0);
9934 const MIN_MARKER_HEIGHT: Pixels = px(5.0);
9935 const MIN_THUMB_SIZE: Pixels = px(25.0);
9936
9937 fn new(
9938 scrollbar_track_hitbox: Hitbox,
9939 viewport_size: Pixels,
9940 scroll_range: Pixels,
9941 glyph_space: Pixels,
9942 content_offset: Pixels,
9943 scroll_position: ScrollOffset,
9944 show_thumb: bool,
9945 axis: ScrollbarAxis,
9946 ) -> Self {
9947 let track_bounds = scrollbar_track_hitbox.bounds;
9948 // The length of the track available to the scrollbar thumb. We deliberately
9949 // exclude the content size here so that the thumb aligns with the content.
9950 let track_length = track_bounds.size.along(axis) - content_offset;
9951
9952 Self::new_with_hitbox_and_track_length(
9953 scrollbar_track_hitbox,
9954 track_length,
9955 viewport_size,
9956 scroll_range.into(),
9957 glyph_space,
9958 content_offset.into(),
9959 scroll_position,
9960 show_thumb,
9961 axis,
9962 )
9963 }
9964
9965 fn for_minimap(
9966 minimap_track_hitbox: Hitbox,
9967 visible_lines: f64,
9968 total_editor_lines: f64,
9969 minimap_line_height: Pixels,
9970 scroll_position: ScrollOffset,
9971 minimap_scroll_top: ScrollOffset,
9972 show_thumb: bool,
9973 ) -> Self {
9974 // The scrollbar thumb size is calculated as
9975 // (visible_content/total_content) Γ scrollbar_track_length.
9976 //
9977 // For the minimap's thumb layout, we leverage this by setting the
9978 // scrollbar track length to the entire document size (using minimap line
9979 // height). This creates a thumb that exactly represents the editor
9980 // viewport scaled to minimap proportions.
9981 //
9982 // We adjust the thumb position relative to `minimap_scroll_top` to
9983 // accommodate for the deliberately oversized track.
9984 //
9985 // This approach ensures that the minimap thumb accurately reflects the
9986 // editor's current scroll position whilst nicely synchronizing the minimap
9987 // thumb and scrollbar thumb.
9988 let scroll_range = total_editor_lines * f64::from(minimap_line_height);
9989 let viewport_size = visible_lines * f64::from(minimap_line_height);
9990
9991 let track_top_offset = -minimap_scroll_top * f64::from(minimap_line_height);
9992
9993 Self::new_with_hitbox_and_track_length(
9994 minimap_track_hitbox,
9995 Pixels::from(scroll_range),
9996 Pixels::from(viewport_size),
9997 scroll_range,
9998 minimap_line_height,
9999 track_top_offset,
10000 scroll_position,
10001 show_thumb,
10002 ScrollbarAxis::Vertical,
10003 )
10004 }
10005
10006 fn new_with_hitbox_and_track_length(
10007 scrollbar_track_hitbox: Hitbox,
10008 track_length: Pixels,
10009 viewport_size: Pixels,
10010 scroll_range: f64,
10011 glyph_space: Pixels,
10012 content_offset: ScrollOffset,
10013 scroll_position: ScrollOffset,
10014 show_thumb: bool,
10015 axis: ScrollbarAxis,
10016 ) -> Self {
10017 let text_units_per_page = f64::from(viewport_size / glyph_space);
10018 let visible_range = scroll_position..scroll_position + text_units_per_page;
10019 let total_text_units = scroll_range / f64::from(glyph_space);
10020
10021 let thumb_percentage = text_units_per_page / total_text_units;
10022 let thumb_size = Pixels::from(ScrollOffset::from(track_length) * thumb_percentage)
10023 .max(ScrollbarLayout::MIN_THUMB_SIZE)
10024 .min(track_length);
10025
10026 let text_unit_divisor = (total_text_units - text_units_per_page).max(0.);
10027
10028 let content_larger_than_viewport = text_unit_divisor > 0.;
10029
10030 let text_unit_size = if content_larger_than_viewport {
10031 Pixels::from(ScrollOffset::from(track_length - thumb_size) / text_unit_divisor)
10032 } else {
10033 glyph_space
10034 };
10035
10036 let thumb_bounds = (show_thumb && content_larger_than_viewport).then(|| {
10037 Self::thumb_bounds(
10038 &scrollbar_track_hitbox,
10039 content_offset,
10040 visible_range.start,
10041 text_unit_size,
10042 thumb_size,
10043 axis,
10044 )
10045 });
10046
10047 ScrollbarLayout {
10048 hitbox: scrollbar_track_hitbox,
10049 visible_range,
10050 text_unit_size,
10051 thumb_bounds,
10052 thumb_state: Default::default(),
10053 }
10054 }
10055
10056 fn with_thumb_state(self, thumb_state: Option<ScrollbarThumbState>) -> Self {
10057 if let Some(thumb_state) = thumb_state {
10058 Self {
10059 thumb_state,
10060 ..self
10061 }
10062 } else {
10063 self
10064 }
10065 }
10066
10067 fn thumb_bounds(
10068 scrollbar_track: &Hitbox,
10069 content_offset: f64,
10070 visible_range_start: f64,
10071 text_unit_size: Pixels,
10072 thumb_size: Pixels,
10073 axis: ScrollbarAxis,
10074 ) -> Bounds<Pixels> {
10075 let thumb_origin = scrollbar_track.origin.apply_along(axis, |origin| {
10076 origin
10077 + Pixels::from(
10078 content_offset + visible_range_start * ScrollOffset::from(text_unit_size),
10079 )
10080 });
10081 Bounds::new(
10082 thumb_origin,
10083 scrollbar_track.size.apply_along(axis, |_| thumb_size),
10084 )
10085 }
10086
10087 fn thumb_hovered(&self, position: &gpui::Point<Pixels>) -> bool {
10088 self.thumb_bounds
10089 .is_some_and(|bounds| bounds.contains(position))
10090 }
10091
10092 fn marker_quads_for_ranges(
10093 &self,
10094 row_ranges: impl IntoIterator<Item = ColoredRange<DisplayRow>>,
10095 column: Option<usize>,
10096 ) -> Vec<PaintQuad> {
10097 struct MinMax {
10098 min: Pixels,
10099 max: Pixels,
10100 }
10101 let (x_range, height_limit) = if let Some(column) = column {
10102 let column_width = ((self.hitbox.size.width - Self::BORDER_WIDTH) / 3.0).floor();
10103 let start = Self::BORDER_WIDTH + (column as f32 * column_width);
10104 let end = start + column_width;
10105 (
10106 Range { start, end },
10107 MinMax {
10108 min: Self::MIN_MARKER_HEIGHT,
10109 max: px(f32::MAX),
10110 },
10111 )
10112 } else {
10113 (
10114 Range {
10115 start: Self::BORDER_WIDTH,
10116 end: self.hitbox.size.width,
10117 },
10118 MinMax {
10119 min: Self::LINE_MARKER_HEIGHT,
10120 max: Self::LINE_MARKER_HEIGHT,
10121 },
10122 )
10123 };
10124
10125 let row_to_y = |row: DisplayRow| row.as_f64() as f32 * self.text_unit_size;
10126 let mut pixel_ranges = row_ranges
10127 .into_iter()
10128 .map(|range| {
10129 let start_y = row_to_y(range.start);
10130 let end_y = row_to_y(range.end)
10131 + self
10132 .text_unit_size
10133 .max(height_limit.min)
10134 .min(height_limit.max);
10135 ColoredRange {
10136 start: start_y,
10137 end: end_y,
10138 color: range.color,
10139 }
10140 })
10141 .peekable();
10142
10143 let mut quads = Vec::new();
10144 while let Some(mut pixel_range) = pixel_ranges.next() {
10145 while let Some(next_pixel_range) = pixel_ranges.peek() {
10146 if pixel_range.end >= next_pixel_range.start - px(1.0)
10147 && pixel_range.color == next_pixel_range.color
10148 {
10149 pixel_range.end = next_pixel_range.end.max(pixel_range.end);
10150 pixel_ranges.next();
10151 } else {
10152 break;
10153 }
10154 }
10155
10156 let bounds = Bounds::from_corners(
10157 point(x_range.start, pixel_range.start),
10158 point(x_range.end, pixel_range.end),
10159 );
10160 quads.push(quad(
10161 bounds,
10162 Corners::default(),
10163 pixel_range.color,
10164 Edges::default(),
10165 Hsla::transparent_black(),
10166 BorderStyle::default(),
10167 ));
10168 }
10169
10170 quads
10171 }
10172}
10173
10174struct MinimapLayout {
10175 pub minimap: AnyElement,
10176 pub thumb_layout: ScrollbarLayout,
10177 pub minimap_scroll_top: ScrollOffset,
10178 pub minimap_line_height: Pixels,
10179 pub thumb_border_style: MinimapThumbBorder,
10180 pub max_scroll_top: ScrollOffset,
10181}
10182
10183impl MinimapLayout {
10184 /// The minimum width of the minimap in columns. If the minimap is smaller than this, it will be hidden.
10185 const MINIMAP_MIN_WIDTH_COLUMNS: f32 = 20.;
10186 /// The minimap width as a percentage of the editor width.
10187 const MINIMAP_WIDTH_PCT: f32 = 0.15;
10188 /// Calculates the scroll top offset the minimap editor has to have based on the
10189 /// current scroll progress.
10190 fn calculate_minimap_top_offset(
10191 document_lines: f64,
10192 visible_editor_lines: f64,
10193 visible_minimap_lines: f64,
10194 scroll_position: f64,
10195 ) -> ScrollOffset {
10196 let non_visible_document_lines = (document_lines - visible_editor_lines).max(0.);
10197 if non_visible_document_lines == 0. {
10198 0.
10199 } else {
10200 let scroll_percentage = (scroll_position / non_visible_document_lines).clamp(0., 1.);
10201 scroll_percentage * (document_lines - visible_minimap_lines).max(0.)
10202 }
10203 }
10204}
10205
10206struct CreaseTrailerLayout {
10207 element: AnyElement,
10208 bounds: Bounds<Pixels>,
10209}
10210
10211pub(crate) struct PositionMap {
10212 pub size: Size<Pixels>,
10213 pub line_height: Pixels,
10214 pub scroll_position: gpui::Point<ScrollOffset>,
10215 pub scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
10216 pub scroll_max: gpui::Point<ScrollOffset>,
10217 pub em_width: Pixels,
10218 pub em_advance: Pixels,
10219 pub visible_row_range: Range<DisplayRow>,
10220 pub line_layouts: Vec<LineWithInvisibles>,
10221 pub snapshot: EditorSnapshot,
10222 pub text_hitbox: Hitbox,
10223 pub gutter_hitbox: Hitbox,
10224 pub inline_blame_bounds: Option<(Bounds<Pixels>, BufferId, BlameEntry)>,
10225 pub display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
10226 pub diff_hunk_control_bounds: Vec<(DisplayRow, Bounds<Pixels>)>,
10227}
10228
10229#[derive(Debug, Copy, Clone)]
10230pub struct PointForPosition {
10231 pub previous_valid: DisplayPoint,
10232 pub next_valid: DisplayPoint,
10233 pub exact_unclipped: DisplayPoint,
10234 pub column_overshoot_after_line_end: u32,
10235}
10236
10237impl PointForPosition {
10238 pub fn as_valid(&self) -> Option<DisplayPoint> {
10239 if self.previous_valid == self.exact_unclipped && self.next_valid == self.exact_unclipped {
10240 Some(self.previous_valid)
10241 } else {
10242 None
10243 }
10244 }
10245
10246 pub fn intersects_selection(&self, selection: &Selection<DisplayPoint>) -> bool {
10247 let Some(valid_point) = self.as_valid() else {
10248 return false;
10249 };
10250 let range = selection.range();
10251
10252 let candidate_row = valid_point.row();
10253 let candidate_col = valid_point.column();
10254
10255 let start_row = range.start.row();
10256 let start_col = range.start.column();
10257 let end_row = range.end.row();
10258 let end_col = range.end.column();
10259
10260 if candidate_row < start_row || candidate_row > end_row {
10261 false
10262 } else if start_row == end_row {
10263 candidate_col >= start_col && candidate_col < end_col
10264 } else if candidate_row == start_row {
10265 candidate_col >= start_col
10266 } else if candidate_row == end_row {
10267 candidate_col < end_col
10268 } else {
10269 true
10270 }
10271 }
10272}
10273
10274impl PositionMap {
10275 pub(crate) fn point_for_position(&self, position: gpui::Point<Pixels>) -> PointForPosition {
10276 let text_bounds = self.text_hitbox.bounds;
10277 let scroll_position = self.snapshot.scroll_position();
10278 let position = position - text_bounds.origin;
10279 let y = position.y.max(px(0.)).min(self.size.height);
10280 let x = position.x + (scroll_position.x as f32 * self.em_advance);
10281 let row = ((y / self.line_height) as f64 + scroll_position.y) as u32;
10282
10283 let (column, x_overshoot_after_line_end) = if let Some(line) = self
10284 .line_layouts
10285 .get(row as usize - scroll_position.y as usize)
10286 {
10287 if let Some(ix) = line.index_for_x(x) {
10288 (ix as u32, px(0.))
10289 } else {
10290 (line.len as u32, px(0.).max(x - line.width))
10291 }
10292 } else {
10293 (0, x)
10294 };
10295
10296 let mut exact_unclipped = DisplayPoint::new(DisplayRow(row), column);
10297 let previous_valid = self.snapshot.clip_point(exact_unclipped, Bias::Left);
10298 let next_valid = self.snapshot.clip_point(exact_unclipped, Bias::Right);
10299
10300 let column_overshoot_after_line_end = (x_overshoot_after_line_end / self.em_advance) as u32;
10301 *exact_unclipped.column_mut() += column_overshoot_after_line_end;
10302 PointForPosition {
10303 previous_valid,
10304 next_valid,
10305 exact_unclipped,
10306 column_overshoot_after_line_end,
10307 }
10308 }
10309}
10310
10311struct BlockLayout {
10312 id: BlockId,
10313 x_offset: Pixels,
10314 row: Option<DisplayRow>,
10315 element: AnyElement,
10316 available_space: Size<AvailableSpace>,
10317 style: BlockStyle,
10318 overlaps_gutter: bool,
10319 is_buffer_header: bool,
10320}
10321
10322pub fn layout_line(
10323 row: DisplayRow,
10324 snapshot: &EditorSnapshot,
10325 style: &EditorStyle,
10326 text_width: Pixels,
10327 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
10328 window: &mut Window,
10329 cx: &mut App,
10330) -> LineWithInvisibles {
10331 let chunks = snapshot.highlighted_chunks(row..row + DisplayRow(1), true, style);
10332 LineWithInvisibles::from_chunks(
10333 chunks,
10334 style,
10335 MAX_LINE_LEN,
10336 1,
10337 &snapshot.mode,
10338 text_width,
10339 is_row_soft_wrapped,
10340 &[],
10341 window,
10342 cx,
10343 )
10344 .pop()
10345 .unwrap()
10346}
10347
10348#[derive(Debug)]
10349pub struct IndentGuideLayout {
10350 origin: gpui::Point<Pixels>,
10351 length: Pixels,
10352 single_indent_width: Pixels,
10353 depth: u32,
10354 active: bool,
10355 settings: IndentGuideSettings,
10356}
10357
10358pub struct CursorLayout {
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 cursor_name: Option<AnyElement>,
10366}
10367
10368#[derive(Debug)]
10369pub struct CursorName {
10370 string: SharedString,
10371 color: Hsla,
10372 is_top_row: bool,
10373}
10374
10375impl CursorLayout {
10376 pub fn new(
10377 origin: gpui::Point<Pixels>,
10378 block_width: Pixels,
10379 line_height: Pixels,
10380 color: Hsla,
10381 shape: CursorShape,
10382 block_text: Option<ShapedLine>,
10383 ) -> CursorLayout {
10384 CursorLayout {
10385 origin,
10386 block_width,
10387 line_height,
10388 color,
10389 shape,
10390 block_text,
10391 cursor_name: None,
10392 }
10393 }
10394
10395 pub fn bounding_rect(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10396 Bounds {
10397 origin: self.origin + origin,
10398 size: size(self.block_width, self.line_height),
10399 }
10400 }
10401
10402 fn bounds(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10403 match self.shape {
10404 CursorShape::Bar => Bounds {
10405 origin: self.origin + origin,
10406 size: size(px(2.0), self.line_height),
10407 },
10408 CursorShape::Block | CursorShape::Hollow => Bounds {
10409 origin: self.origin + origin,
10410 size: size(self.block_width, self.line_height),
10411 },
10412 CursorShape::Underline => Bounds {
10413 origin: self.origin
10414 + origin
10415 + gpui::Point::new(Pixels::ZERO, self.line_height - px(2.0)),
10416 size: size(self.block_width, px(2.0)),
10417 },
10418 }
10419 }
10420
10421 pub fn layout(
10422 &mut self,
10423 origin: gpui::Point<Pixels>,
10424 cursor_name: Option<CursorName>,
10425 window: &mut Window,
10426 cx: &mut App,
10427 ) {
10428 if let Some(cursor_name) = cursor_name {
10429 let bounds = self.bounds(origin);
10430 let text_size = self.line_height / 1.5;
10431
10432 let name_origin = if cursor_name.is_top_row {
10433 point(bounds.right() - px(1.), bounds.top())
10434 } else {
10435 match self.shape {
10436 CursorShape::Bar => point(
10437 bounds.right() - px(2.),
10438 bounds.top() - text_size / 2. - px(1.),
10439 ),
10440 _ => point(
10441 bounds.right() - px(1.),
10442 bounds.top() - text_size / 2. - px(1.),
10443 ),
10444 }
10445 };
10446 let mut name_element = div()
10447 .bg(self.color)
10448 .text_size(text_size)
10449 .px_0p5()
10450 .line_height(text_size + px(2.))
10451 .text_color(cursor_name.color)
10452 .child(cursor_name.string)
10453 .into_any_element();
10454
10455 name_element.prepaint_as_root(name_origin, AvailableSpace::min_size(), window, cx);
10456
10457 self.cursor_name = Some(name_element);
10458 }
10459 }
10460
10461 pub fn paint(&mut self, origin: gpui::Point<Pixels>, window: &mut Window, cx: &mut App) {
10462 let bounds = self.bounds(origin);
10463
10464 //Draw background or border quad
10465 let cursor = if matches!(self.shape, CursorShape::Hollow) {
10466 outline(bounds, self.color, BorderStyle::Solid)
10467 } else {
10468 fill(bounds, self.color)
10469 };
10470
10471 if let Some(name) = &mut self.cursor_name {
10472 name.paint(window, cx);
10473 }
10474
10475 window.paint_quad(cursor);
10476
10477 if let Some(block_text) = &self.block_text {
10478 block_text
10479 .paint(self.origin + origin, self.line_height, window, cx)
10480 .log_err();
10481 }
10482 }
10483
10484 pub fn shape(&self) -> CursorShape {
10485 self.shape
10486 }
10487}
10488
10489#[derive(Debug)]
10490pub struct HighlightedRange {
10491 pub start_y: Pixels,
10492 pub line_height: Pixels,
10493 pub lines: Vec<HighlightedRangeLine>,
10494 pub color: Hsla,
10495 pub corner_radius: Pixels,
10496}
10497
10498#[derive(Debug)]
10499pub struct HighlightedRangeLine {
10500 pub start_x: Pixels,
10501 pub end_x: Pixels,
10502}
10503
10504impl HighlightedRange {
10505 pub fn paint(&self, fill: bool, bounds: Bounds<Pixels>, window: &mut Window) {
10506 if self.lines.len() >= 2 && self.lines[0].start_x > self.lines[1].end_x {
10507 self.paint_lines(self.start_y, &self.lines[0..1], fill, bounds, window);
10508 self.paint_lines(
10509 self.start_y + self.line_height,
10510 &self.lines[1..],
10511 fill,
10512 bounds,
10513 window,
10514 );
10515 } else {
10516 self.paint_lines(self.start_y, &self.lines, fill, bounds, window);
10517 }
10518 }
10519
10520 fn paint_lines(
10521 &self,
10522 start_y: Pixels,
10523 lines: &[HighlightedRangeLine],
10524 fill: bool,
10525 _bounds: Bounds<Pixels>,
10526 window: &mut Window,
10527 ) {
10528 if lines.is_empty() {
10529 return;
10530 }
10531
10532 let first_line = lines.first().unwrap();
10533 let last_line = lines.last().unwrap();
10534
10535 let first_top_left = point(first_line.start_x, start_y);
10536 let first_top_right = point(first_line.end_x, start_y);
10537
10538 let curve_height = point(Pixels::ZERO, self.corner_radius);
10539 let curve_width = |start_x: Pixels, end_x: Pixels| {
10540 let max = (end_x - start_x) / 2.;
10541 let width = if max < self.corner_radius {
10542 max
10543 } else {
10544 self.corner_radius
10545 };
10546
10547 point(width, Pixels::ZERO)
10548 };
10549
10550 let top_curve_width = curve_width(first_line.start_x, first_line.end_x);
10551 let mut builder = if fill {
10552 gpui::PathBuilder::fill()
10553 } else {
10554 gpui::PathBuilder::stroke(px(1.))
10555 };
10556 builder.move_to(first_top_right - top_curve_width);
10557 builder.curve_to(first_top_right + curve_height, first_top_right);
10558
10559 let mut iter = lines.iter().enumerate().peekable();
10560 while let Some((ix, line)) = iter.next() {
10561 let bottom_right = point(line.end_x, start_y + (ix + 1) as f32 * self.line_height);
10562
10563 if let Some((_, next_line)) = iter.peek() {
10564 let next_top_right = point(next_line.end_x, bottom_right.y);
10565
10566 match next_top_right.x.partial_cmp(&bottom_right.x).unwrap() {
10567 Ordering::Equal => {
10568 builder.line_to(bottom_right);
10569 }
10570 Ordering::Less => {
10571 let curve_width = curve_width(next_top_right.x, bottom_right.x);
10572 builder.line_to(bottom_right - curve_height);
10573 if self.corner_radius > Pixels::ZERO {
10574 builder.curve_to(bottom_right - curve_width, bottom_right);
10575 }
10576 builder.line_to(next_top_right + curve_width);
10577 if self.corner_radius > Pixels::ZERO {
10578 builder.curve_to(next_top_right + curve_height, next_top_right);
10579 }
10580 }
10581 Ordering::Greater => {
10582 let curve_width = curve_width(bottom_right.x, next_top_right.x);
10583 builder.line_to(bottom_right - curve_height);
10584 if self.corner_radius > Pixels::ZERO {
10585 builder.curve_to(bottom_right + curve_width, bottom_right);
10586 }
10587 builder.line_to(next_top_right - curve_width);
10588 if self.corner_radius > Pixels::ZERO {
10589 builder.curve_to(next_top_right + curve_height, next_top_right);
10590 }
10591 }
10592 }
10593 } else {
10594 let curve_width = curve_width(line.start_x, line.end_x);
10595 builder.line_to(bottom_right - curve_height);
10596 if self.corner_radius > Pixels::ZERO {
10597 builder.curve_to(bottom_right - curve_width, bottom_right);
10598 }
10599
10600 let bottom_left = point(line.start_x, bottom_right.y);
10601 builder.line_to(bottom_left + curve_width);
10602 if self.corner_radius > Pixels::ZERO {
10603 builder.curve_to(bottom_left - curve_height, bottom_left);
10604 }
10605 }
10606 }
10607
10608 if first_line.start_x > last_line.start_x {
10609 let curve_width = curve_width(last_line.start_x, first_line.start_x);
10610 let second_top_left = point(last_line.start_x, start_y + self.line_height);
10611 builder.line_to(second_top_left + curve_height);
10612 if self.corner_radius > Pixels::ZERO {
10613 builder.curve_to(second_top_left + curve_width, second_top_left);
10614 }
10615 let first_bottom_left = point(first_line.start_x, second_top_left.y);
10616 builder.line_to(first_bottom_left - curve_width);
10617 if self.corner_radius > Pixels::ZERO {
10618 builder.curve_to(first_bottom_left - curve_height, first_bottom_left);
10619 }
10620 }
10621
10622 builder.line_to(first_top_left + curve_height);
10623 if self.corner_radius > Pixels::ZERO {
10624 builder.curve_to(first_top_left + top_curve_width, first_top_left);
10625 }
10626 builder.line_to(first_top_right - top_curve_width);
10627
10628 if let Ok(path) = builder.build() {
10629 window.paint_path(path, self.color);
10630 }
10631 }
10632}
10633
10634enum CursorPopoverType {
10635 CodeContextMenu,
10636 EditPrediction,
10637}
10638
10639pub fn scale_vertical_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10640 (delta.pow(1.2) / 100.0).min(px(3.0)).into()
10641}
10642
10643fn scale_horizontal_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10644 (delta.pow(1.2) / 300.0).into()
10645}
10646
10647pub fn register_action<T: Action>(
10648 editor: &Entity<Editor>,
10649 window: &mut Window,
10650 listener: impl Fn(&mut Editor, &T, &mut Window, &mut Context<Editor>) + 'static,
10651) {
10652 let editor = editor.clone();
10653 window.on_action(TypeId::of::<T>(), move |action, phase, window, cx| {
10654 let action = action.downcast_ref().unwrap();
10655 if phase == DispatchPhase::Bubble {
10656 editor.update(cx, |editor, cx| {
10657 listener(editor, action, window, cx);
10658 })
10659 }
10660 })
10661}
10662
10663fn compute_auto_height_layout(
10664 editor: &mut Editor,
10665 min_lines: usize,
10666 max_lines: Option<usize>,
10667 max_line_number_width: Pixels,
10668 known_dimensions: Size<Option<Pixels>>,
10669 available_width: AvailableSpace,
10670 window: &mut Window,
10671 cx: &mut Context<Editor>,
10672) -> Option<Size<Pixels>> {
10673 let width = known_dimensions.width.or({
10674 if let AvailableSpace::Definite(available_width) = available_width {
10675 Some(available_width)
10676 } else {
10677 None
10678 }
10679 })?;
10680 if let Some(height) = known_dimensions.height {
10681 return Some(size(width, height));
10682 }
10683
10684 let style = editor.style.as_ref().unwrap();
10685 let font_id = window.text_system().resolve_font(&style.text.font());
10686 let font_size = style.text.font_size.to_pixels(window.rem_size());
10687 let line_height = style.text.line_height_in_pixels(window.rem_size());
10688 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
10689
10690 let mut snapshot = editor.snapshot(window, cx);
10691 let gutter_dimensions = snapshot
10692 .gutter_dimensions(font_id, font_size, max_line_number_width, cx)
10693 .or_else(|| {
10694 editor
10695 .offset_content
10696 .then(|| GutterDimensions::default_with_margin(font_id, font_size, cx))
10697 })
10698 .unwrap_or_default();
10699
10700 editor.gutter_dimensions = gutter_dimensions;
10701 let text_width = width - gutter_dimensions.width;
10702 let overscroll = size(em_width, px(0.));
10703
10704 let editor_width = text_width - gutter_dimensions.margin - overscroll.width - em_width;
10705 if !matches!(editor.soft_wrap_mode(cx), SoftWrap::None)
10706 && editor.set_wrap_width(Some(editor_width), cx)
10707 {
10708 snapshot = editor.snapshot(window, cx);
10709 }
10710
10711 let scroll_height = (snapshot.max_point().row().next_row().0 as f32) * line_height;
10712
10713 let min_height = line_height * min_lines as f32;
10714 let content_height = scroll_height.max(min_height);
10715
10716 let final_height = if let Some(max_lines) = max_lines {
10717 let max_height = line_height * max_lines as f32;
10718 content_height.min(max_height)
10719 } else {
10720 content_height
10721 };
10722
10723 Some(size(width, final_height))
10724}
10725
10726#[cfg(test)]
10727mod tests {
10728 use super::*;
10729 use crate::{
10730 Editor, MultiBuffer, SelectionEffects,
10731 display_map::{BlockPlacement, BlockProperties},
10732 editor_tests::{init_test, update_test_language_settings},
10733 };
10734 use gpui::{TestAppContext, VisualTestContext};
10735 use language::language_settings;
10736 use log::info;
10737 use std::num::NonZeroU32;
10738 use util::test::sample_text;
10739
10740 #[gpui::test]
10741 async fn test_soft_wrap_editor_width_auto_height_editor(cx: &mut TestAppContext) {
10742 init_test(cx, |_| {});
10743
10744 let window = cx.add_window(|window, cx| {
10745 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10746 let mut editor = Editor::new(
10747 EditorMode::AutoHeight {
10748 min_lines: 1,
10749 max_lines: None,
10750 },
10751 buffer,
10752 None,
10753 window,
10754 cx,
10755 );
10756 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10757 editor
10758 });
10759 let cx = &mut VisualTestContext::from_window(*window, cx);
10760 let editor = window.root(cx).unwrap();
10761 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10762
10763 for x in 1..=100 {
10764 let (_, state) = cx.draw(
10765 Default::default(),
10766 size(px(200. + 0.13 * x as f32), px(500.)),
10767 |_, _| EditorElement::new(&editor, style.clone()),
10768 );
10769
10770 assert!(
10771 state.position_map.scroll_max.x == 0.,
10772 "Soft wrapped editor should have no horizontal scrolling!"
10773 );
10774 }
10775 }
10776
10777 #[gpui::test]
10778 async fn test_soft_wrap_editor_width_full_editor(cx: &mut TestAppContext) {
10779 init_test(cx, |_| {});
10780
10781 let window = cx.add_window(|window, cx| {
10782 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10783 let mut editor = Editor::new(EditorMode::full(), buffer, None, window, cx);
10784 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10785 editor
10786 });
10787 let cx = &mut VisualTestContext::from_window(*window, cx);
10788 let editor = window.root(cx).unwrap();
10789 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10790
10791 for x in 1..=100 {
10792 let (_, state) = cx.draw(
10793 Default::default(),
10794 size(px(200. + 0.13 * x as f32), px(500.)),
10795 |_, _| EditorElement::new(&editor, style.clone()),
10796 );
10797
10798 assert!(
10799 state.position_map.scroll_max.x == 0.,
10800 "Soft wrapped editor should have no horizontal scrolling!"
10801 );
10802 }
10803 }
10804
10805 #[gpui::test]
10806 fn test_shape_line_numbers(cx: &mut TestAppContext) {
10807 init_test(cx, |_| {});
10808 let window = cx.add_window(|window, cx| {
10809 let buffer = MultiBuffer::build_simple(&sample_text(6, 6, 'a'), cx);
10810 Editor::new(EditorMode::full(), buffer, None, window, cx)
10811 });
10812
10813 let editor = window.root(cx).unwrap();
10814 let style = cx.update(|cx| editor.read(cx).style().unwrap().clone());
10815 let line_height = window
10816 .update(cx, |_, window, _| {
10817 style.text.line_height_in_pixels(window.rem_size())
10818 })
10819 .unwrap();
10820 let element = EditorElement::new(&editor, style);
10821 let snapshot = window
10822 .update(cx, |editor, window, cx| editor.snapshot(window, cx))
10823 .unwrap();
10824
10825 let layouts = cx
10826 .update_window(*window, |_, window, cx| {
10827 element.layout_line_numbers(
10828 None,
10829 GutterDimensions {
10830 left_padding: Pixels::ZERO,
10831 right_padding: Pixels::ZERO,
10832 width: px(30.0),
10833 margin: Pixels::ZERO,
10834 git_blame_entries_width: None,
10835 },
10836 line_height,
10837 gpui::Point::default(),
10838 DisplayRow(0)..DisplayRow(6),
10839 &(0..6)
10840 .map(|row| RowInfo {
10841 buffer_row: Some(row),
10842 ..Default::default()
10843 })
10844 .collect::<Vec<_>>(),
10845 &BTreeMap::default(),
10846 Some(DisplayPoint::new(DisplayRow(0), 0)),
10847 &snapshot,
10848 window,
10849 cx,
10850 )
10851 })
10852 .unwrap();
10853 assert_eq!(layouts.len(), 6);
10854
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(0)..DisplayRow(6)),
10861 Some(DisplayRow(3)),
10862 )
10863 })
10864 .unwrap();
10865 assert_eq!(relative_rows[&DisplayRow(0)], 3);
10866 assert_eq!(relative_rows[&DisplayRow(1)], 2);
10867 assert_eq!(relative_rows[&DisplayRow(2)], 1);
10868 // current line has no relative number
10869 assert_eq!(relative_rows[&DisplayRow(4)], 1);
10870 assert_eq!(relative_rows[&DisplayRow(5)], 2);
10871
10872 // works if cursor is before screen
10873 let relative_rows = window
10874 .update(cx, |editor, window, cx| {
10875 let snapshot = editor.snapshot(window, cx);
10876 element.calculate_relative_line_numbers(
10877 &snapshot,
10878 &(DisplayRow(3)..DisplayRow(6)),
10879 Some(DisplayRow(1)),
10880 )
10881 })
10882 .unwrap();
10883 assert_eq!(relative_rows.len(), 3);
10884 assert_eq!(relative_rows[&DisplayRow(3)], 2);
10885 assert_eq!(relative_rows[&DisplayRow(4)], 3);
10886 assert_eq!(relative_rows[&DisplayRow(5)], 4);
10887
10888 // works if cursor is after screen
10889 let relative_rows = window
10890 .update(cx, |editor, window, cx| {
10891 let snapshot = editor.snapshot(window, cx);
10892 element.calculate_relative_line_numbers(
10893 &snapshot,
10894 &(DisplayRow(0)..DisplayRow(3)),
10895 Some(DisplayRow(6)),
10896 )
10897 })
10898 .unwrap();
10899 assert_eq!(relative_rows.len(), 3);
10900 assert_eq!(relative_rows[&DisplayRow(0)], 5);
10901 assert_eq!(relative_rows[&DisplayRow(1)], 4);
10902 assert_eq!(relative_rows[&DisplayRow(2)], 3);
10903 }
10904
10905 #[gpui::test]
10906 async fn test_vim_visual_selections(cx: &mut TestAppContext) {
10907 init_test(cx, |_| {});
10908
10909 let window = cx.add_window(|window, cx| {
10910 let buffer = MultiBuffer::build_simple(&(sample_text(6, 6, 'a') + "\n"), cx);
10911 Editor::new(EditorMode::full(), buffer, None, window, cx)
10912 });
10913 let cx = &mut VisualTestContext::from_window(*window, cx);
10914 let editor = window.root(cx).unwrap();
10915 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10916
10917 window
10918 .update(cx, |editor, window, cx| {
10919 editor.cursor_shape = CursorShape::Block;
10920 editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
10921 s.select_ranges([
10922 Point::new(0, 0)..Point::new(1, 0),
10923 Point::new(3, 2)..Point::new(3, 3),
10924 Point::new(5, 6)..Point::new(6, 0),
10925 ]);
10926 });
10927 })
10928 .unwrap();
10929
10930 let (_, state) = cx.draw(
10931 point(px(500.), px(500.)),
10932 size(px(500.), px(500.)),
10933 |_, _| EditorElement::new(&editor, style),
10934 );
10935
10936 assert_eq!(state.selections.len(), 1);
10937 let local_selections = &state.selections[0].1;
10938 assert_eq!(local_selections.len(), 3);
10939 // moves cursor back one line
10940 assert_eq!(
10941 local_selections[0].head,
10942 DisplayPoint::new(DisplayRow(0), 6)
10943 );
10944 assert_eq!(
10945 local_selections[0].range,
10946 DisplayPoint::new(DisplayRow(0), 0)..DisplayPoint::new(DisplayRow(1), 0)
10947 );
10948
10949 // moves cursor back one column
10950 assert_eq!(
10951 local_selections[1].range,
10952 DisplayPoint::new(DisplayRow(3), 2)..DisplayPoint::new(DisplayRow(3), 3)
10953 );
10954 assert_eq!(
10955 local_selections[1].head,
10956 DisplayPoint::new(DisplayRow(3), 2)
10957 );
10958
10959 // leaves cursor on the max point
10960 assert_eq!(
10961 local_selections[2].range,
10962 DisplayPoint::new(DisplayRow(5), 6)..DisplayPoint::new(DisplayRow(6), 0)
10963 );
10964 assert_eq!(
10965 local_selections[2].head,
10966 DisplayPoint::new(DisplayRow(6), 0)
10967 );
10968
10969 // active lines does not include 1 (even though the range of the selection does)
10970 assert_eq!(
10971 state.active_rows.keys().cloned().collect::<Vec<_>>(),
10972 vec![DisplayRow(0), DisplayRow(3), DisplayRow(5), DisplayRow(6)]
10973 );
10974 }
10975
10976 #[gpui::test]
10977 fn test_layout_with_placeholder_text_and_blocks(cx: &mut TestAppContext) {
10978 init_test(cx, |_| {});
10979
10980 let window = cx.add_window(|window, cx| {
10981 let buffer = MultiBuffer::build_simple("", cx);
10982 Editor::new(EditorMode::full(), buffer, None, window, cx)
10983 });
10984 let cx = &mut VisualTestContext::from_window(*window, cx);
10985 let editor = window.root(cx).unwrap();
10986 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10987 window
10988 .update(cx, |editor, window, cx| {
10989 editor.set_placeholder_text("hello", window, cx);
10990 editor.insert_blocks(
10991 [BlockProperties {
10992 style: BlockStyle::Fixed,
10993 placement: BlockPlacement::Above(Anchor::min()),
10994 height: Some(3),
10995 render: Arc::new(|cx| div().h(3. * cx.window.line_height()).into_any()),
10996 priority: 0,
10997 }],
10998 None,
10999 cx,
11000 );
11001
11002 // Blur the editor so that it displays placeholder text.
11003 window.blur();
11004 })
11005 .unwrap();
11006
11007 let (_, state) = cx.draw(
11008 point(px(500.), px(500.)),
11009 size(px(500.), px(500.)),
11010 |_, _| EditorElement::new(&editor, style),
11011 );
11012 assert_eq!(state.position_map.line_layouts.len(), 4);
11013 assert_eq!(state.line_numbers.len(), 1);
11014 assert_eq!(
11015 state
11016 .line_numbers
11017 .get(&MultiBufferRow(0))
11018 .map(|line_number| line_number.shaped_line.text.as_ref()),
11019 Some("1")
11020 );
11021 }
11022
11023 #[gpui::test]
11024 fn test_all_invisibles_drawing(cx: &mut TestAppContext) {
11025 const TAB_SIZE: u32 = 4;
11026
11027 let input_text = "\t \t|\t| a b";
11028 let expected_invisibles = vec![
11029 Invisible::Tab {
11030 line_start_offset: 0,
11031 line_end_offset: TAB_SIZE as usize,
11032 },
11033 Invisible::Whitespace {
11034 line_offset: TAB_SIZE as usize,
11035 },
11036 Invisible::Tab {
11037 line_start_offset: TAB_SIZE as usize + 1,
11038 line_end_offset: TAB_SIZE as usize * 2,
11039 },
11040 Invisible::Tab {
11041 line_start_offset: TAB_SIZE as usize * 2 + 1,
11042 line_end_offset: TAB_SIZE as usize * 3,
11043 },
11044 Invisible::Whitespace {
11045 line_offset: TAB_SIZE as usize * 3 + 1,
11046 },
11047 Invisible::Whitespace {
11048 line_offset: TAB_SIZE as usize * 3 + 3,
11049 },
11050 ];
11051 assert_eq!(
11052 expected_invisibles.len(),
11053 input_text
11054 .chars()
11055 .filter(|initial_char| initial_char.is_whitespace())
11056 .count(),
11057 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
11058 );
11059
11060 for show_line_numbers in [true, false] {
11061 init_test(cx, |s| {
11062 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11063 s.defaults.tab_size = NonZeroU32::new(TAB_SIZE);
11064 });
11065
11066 let actual_invisibles = collect_invisibles_from_new_editor(
11067 cx,
11068 EditorMode::full(),
11069 input_text,
11070 px(500.0),
11071 show_line_numbers,
11072 );
11073
11074 assert_eq!(expected_invisibles, actual_invisibles);
11075 }
11076 }
11077
11078 #[gpui::test]
11079 fn test_invisibles_dont_appear_in_certain_editors(cx: &mut TestAppContext) {
11080 init_test(cx, |s| {
11081 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11082 s.defaults.tab_size = NonZeroU32::new(4);
11083 });
11084
11085 for editor_mode_without_invisibles in [
11086 EditorMode::SingleLine,
11087 EditorMode::AutoHeight {
11088 min_lines: 1,
11089 max_lines: Some(100),
11090 },
11091 ] {
11092 for show_line_numbers in [true, false] {
11093 let invisibles = collect_invisibles_from_new_editor(
11094 cx,
11095 editor_mode_without_invisibles.clone(),
11096 "\t\t\t| | a b",
11097 px(500.0),
11098 show_line_numbers,
11099 );
11100 assert!(
11101 invisibles.is_empty(),
11102 "For editor mode {editor_mode_without_invisibles:?} no invisibles was expected but got {invisibles:?}"
11103 );
11104 }
11105 }
11106 }
11107
11108 #[gpui::test]
11109 fn test_wrapped_invisibles_drawing(cx: &mut TestAppContext) {
11110 let tab_size = 4;
11111 let input_text = "a\tbcd ".repeat(9);
11112 let repeated_invisibles = [
11113 Invisible::Tab {
11114 line_start_offset: 1,
11115 line_end_offset: tab_size as usize,
11116 },
11117 Invisible::Whitespace {
11118 line_offset: tab_size as usize + 3,
11119 },
11120 Invisible::Whitespace {
11121 line_offset: tab_size as usize + 4,
11122 },
11123 Invisible::Whitespace {
11124 line_offset: tab_size as usize + 5,
11125 },
11126 Invisible::Whitespace {
11127 line_offset: tab_size as usize + 6,
11128 },
11129 Invisible::Whitespace {
11130 line_offset: tab_size as usize + 7,
11131 },
11132 ];
11133 let expected_invisibles = std::iter::once(repeated_invisibles)
11134 .cycle()
11135 .take(9)
11136 .flatten()
11137 .collect::<Vec<_>>();
11138 assert_eq!(
11139 expected_invisibles.len(),
11140 input_text
11141 .chars()
11142 .filter(|initial_char| initial_char.is_whitespace())
11143 .count(),
11144 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
11145 );
11146 info!("Expected invisibles: {expected_invisibles:?}");
11147
11148 init_test(cx, |_| {});
11149
11150 // Put the same string with repeating whitespace pattern into editors of various size,
11151 // take deliberately small steps during resizing, to put all whitespace kinds near the wrap point.
11152 let resize_step = 10.0;
11153 let mut editor_width = 200.0;
11154 while editor_width <= 1000.0 {
11155 for show_line_numbers in [true, false] {
11156 update_test_language_settings(cx, |s| {
11157 s.defaults.tab_size = NonZeroU32::new(tab_size);
11158 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11159 s.defaults.preferred_line_length = Some(editor_width as u32);
11160 s.defaults.soft_wrap = Some(language_settings::SoftWrap::PreferredLineLength);
11161 });
11162
11163 let actual_invisibles = collect_invisibles_from_new_editor(
11164 cx,
11165 EditorMode::full(),
11166 &input_text,
11167 px(editor_width),
11168 show_line_numbers,
11169 );
11170
11171 // Whatever the editor size is, ensure it has the same invisible kinds in the same order
11172 // (no good guarantees about the offsets: wrapping could trigger padding and its tests should check the offsets).
11173 let mut i = 0;
11174 for (actual_index, actual_invisible) in actual_invisibles.iter().enumerate() {
11175 i = actual_index;
11176 match expected_invisibles.get(i) {
11177 Some(expected_invisible) => match (expected_invisible, actual_invisible) {
11178 (Invisible::Whitespace { .. }, Invisible::Whitespace { .. })
11179 | (Invisible::Tab { .. }, Invisible::Tab { .. }) => {}
11180 _ => {
11181 panic!(
11182 "At index {i}, expected invisible {expected_invisible:?} does not match actual {actual_invisible:?} by kind. Actual invisibles: {actual_invisibles:?}"
11183 )
11184 }
11185 },
11186 None => {
11187 panic!("Unexpected extra invisible {actual_invisible:?} at index {i}")
11188 }
11189 }
11190 }
11191 let missing_expected_invisibles = &expected_invisibles[i + 1..];
11192 assert!(
11193 missing_expected_invisibles.is_empty(),
11194 "Missing expected invisibles after index {i}: {missing_expected_invisibles:?}"
11195 );
11196
11197 editor_width += resize_step;
11198 }
11199 }
11200 }
11201
11202 fn collect_invisibles_from_new_editor(
11203 cx: &mut TestAppContext,
11204 editor_mode: EditorMode,
11205 input_text: &str,
11206 editor_width: Pixels,
11207 show_line_numbers: bool,
11208 ) -> Vec<Invisible> {
11209 info!(
11210 "Creating editor with mode {editor_mode:?}, width {}px and text '{input_text}'",
11211 f32::from(editor_width)
11212 );
11213 let window = cx.add_window(|window, cx| {
11214 let buffer = MultiBuffer::build_simple(input_text, cx);
11215 Editor::new(editor_mode, buffer, None, window, cx)
11216 });
11217 let cx = &mut VisualTestContext::from_window(*window, cx);
11218 let editor = window.root(cx).unwrap();
11219
11220 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
11221 window
11222 .update(cx, |editor, _, cx| {
11223 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
11224 editor.set_wrap_width(Some(editor_width), cx);
11225 editor.set_show_line_numbers(show_line_numbers, cx);
11226 })
11227 .unwrap();
11228 let (_, state) = cx.draw(
11229 point(px(500.), px(500.)),
11230 size(px(500.), px(500.)),
11231 |_, _| EditorElement::new(&editor, style),
11232 );
11233 state
11234 .position_map
11235 .line_layouts
11236 .iter()
11237 .flat_map(|line_with_invisibles| &line_with_invisibles.invisibles)
11238 .cloned()
11239 .collect()
11240 }
11241
11242 #[gpui::test]
11243 fn test_merge_overlapping_ranges() {
11244 let base_bg = Hsla::white();
11245 let color1 = Hsla {
11246 h: 0.0,
11247 s: 0.5,
11248 l: 0.5,
11249 a: 0.5,
11250 };
11251 let color2 = Hsla {
11252 h: 120.0,
11253 s: 0.5,
11254 l: 0.5,
11255 a: 0.5,
11256 };
11257
11258 let display_point = |col| DisplayPoint::new(DisplayRow(0), col);
11259 let cols = |v: &Vec<(Range<DisplayPoint>, Hsla)>| -> Vec<(u32, u32)> {
11260 v.iter()
11261 .map(|(r, _)| (r.start.column(), r.end.column()))
11262 .collect()
11263 };
11264
11265 // Test overlapping ranges blend colors
11266 let overlapping = vec![
11267 (display_point(5)..display_point(15), color1),
11268 (display_point(10)..display_point(20), color2),
11269 ];
11270 let result = EditorElement::merge_overlapping_ranges(overlapping, base_bg);
11271 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11272
11273 // Test middle segment should have blended color
11274 let blended = Hsla::blend(Hsla::blend(base_bg, color1), color2);
11275 assert_eq!(result[1].1, blended);
11276
11277 // Test adjacent same-color ranges merge
11278 let adjacent_same = vec![
11279 (display_point(5)..display_point(10), color1),
11280 (display_point(10)..display_point(15), color1),
11281 ];
11282 let result = EditorElement::merge_overlapping_ranges(adjacent_same, base_bg);
11283 assert_eq!(cols(&result), vec![(5, 15)]);
11284
11285 // Test contained range splits
11286 let contained = vec![
11287 (display_point(5)..display_point(20), color1),
11288 (display_point(10)..display_point(15), color2),
11289 ];
11290 let result = EditorElement::merge_overlapping_ranges(contained, base_bg);
11291 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11292
11293 // Test multiple overlaps split at every boundary
11294 let color3 = Hsla {
11295 h: 240.0,
11296 s: 0.5,
11297 l: 0.5,
11298 a: 0.5,
11299 };
11300 let complex = vec![
11301 (display_point(5)..display_point(12), color1),
11302 (display_point(8)..display_point(16), color2),
11303 (display_point(10)..display_point(14), color3),
11304 ];
11305 let result = EditorElement::merge_overlapping_ranges(complex, base_bg);
11306 assert_eq!(
11307 cols(&result),
11308 vec![(5, 8), (8, 10), (10, 12), (12, 14), (14, 16)]
11309 );
11310 }
11311
11312 #[gpui::test]
11313 fn test_bg_segments_per_row() {
11314 let base_bg = Hsla::white();
11315
11316 // Case A: selection spans three display rows: row 1 [5, end), full row 2, row 3 [0, 7)
11317 {
11318 let selection_color = Hsla {
11319 h: 200.0,
11320 s: 0.5,
11321 l: 0.5,
11322 a: 0.5,
11323 };
11324 let player_color = PlayerColor {
11325 cursor: selection_color,
11326 background: selection_color,
11327 selection: selection_color,
11328 };
11329
11330 let spanning_selection = SelectionLayout {
11331 head: DisplayPoint::new(DisplayRow(3), 7),
11332 cursor_shape: CursorShape::Bar,
11333 is_newest: true,
11334 is_local: true,
11335 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 7),
11336 active_rows: DisplayRow(1)..DisplayRow(4),
11337 user_name: None,
11338 };
11339
11340 let selections = vec![(player_color, vec![spanning_selection])];
11341 let result = EditorElement::bg_segments_per_row(
11342 DisplayRow(0)..DisplayRow(5),
11343 &selections,
11344 &[],
11345 base_bg,
11346 );
11347
11348 assert_eq!(result.len(), 5);
11349 assert!(result[0].is_empty());
11350 assert_eq!(result[1].len(), 1);
11351 assert_eq!(result[2].len(), 1);
11352 assert_eq!(result[3].len(), 1);
11353 assert!(result[4].is_empty());
11354
11355 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11356 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11357 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11358 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11359 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11360 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11361 assert_eq!(result[3][0].0.start, DisplayPoint::new(DisplayRow(3), 0));
11362 assert_eq!(result[3][0].0.end, DisplayPoint::new(DisplayRow(3), 7));
11363 }
11364
11365 // Case B: selection ends exactly at the start of row 3, excluding row 3
11366 {
11367 let selection_color = Hsla {
11368 h: 120.0,
11369 s: 0.5,
11370 l: 0.5,
11371 a: 0.5,
11372 };
11373 let player_color = PlayerColor {
11374 cursor: selection_color,
11375 background: selection_color,
11376 selection: selection_color,
11377 };
11378
11379 let selection = SelectionLayout {
11380 head: DisplayPoint::new(DisplayRow(2), 0),
11381 cursor_shape: CursorShape::Bar,
11382 is_newest: true,
11383 is_local: true,
11384 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 0),
11385 active_rows: DisplayRow(1)..DisplayRow(3),
11386 user_name: None,
11387 };
11388
11389 let selections = vec![(player_color, vec![selection])];
11390 let result = EditorElement::bg_segments_per_row(
11391 DisplayRow(0)..DisplayRow(4),
11392 &selections,
11393 &[],
11394 base_bg,
11395 );
11396
11397 assert_eq!(result.len(), 4);
11398 assert!(result[0].is_empty());
11399 assert_eq!(result[1].len(), 1);
11400 assert_eq!(result[2].len(), 1);
11401 assert!(result[3].is_empty());
11402
11403 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11404 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11405 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11406 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11407 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11408 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11409 }
11410 }
11411
11412 #[cfg(test)]
11413 fn generate_test_run(len: usize, color: Hsla) -> TextRun {
11414 TextRun {
11415 len,
11416 font: gpui::font(".SystemUIFont"),
11417 color,
11418 background_color: None,
11419 underline: None,
11420 strikethrough: None,
11421 }
11422 }
11423
11424 #[gpui::test]
11425 fn test_split_runs_by_bg_segments(cx: &mut gpui::TestAppContext) {
11426 init_test(cx, |_| {});
11427
11428 let dx = |start: u32, end: u32| {
11429 DisplayPoint::new(DisplayRow(0), start)..DisplayPoint::new(DisplayRow(0), end)
11430 };
11431
11432 let text_color = Hsla {
11433 h: 210.0,
11434 s: 0.1,
11435 l: 0.4,
11436 a: 1.0,
11437 };
11438 let bg_1 = Hsla {
11439 h: 30.0,
11440 s: 0.6,
11441 l: 0.8,
11442 a: 1.0,
11443 };
11444 let bg_2 = Hsla {
11445 h: 200.0,
11446 s: 0.6,
11447 l: 0.2,
11448 a: 1.0,
11449 };
11450 let min_contrast = 45.0;
11451 let adjusted_bg1 = ensure_minimum_contrast(text_color, bg_1, min_contrast);
11452 let adjusted_bg2 = ensure_minimum_contrast(text_color, bg_2, min_contrast);
11453
11454 // Case A: single run; disjoint segments inside the run
11455 {
11456 let runs = vec![generate_test_run(20, text_color)];
11457 let segs = vec![(dx(5, 10), bg_1), (dx(12, 16), bg_2)];
11458 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11459 // Expected slices: [0,5) [5,10) [10,12) [12,16) [16,20)
11460 assert_eq!(
11461 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11462 vec![5, 5, 2, 4, 4]
11463 );
11464 assert_eq!(out[0].color, text_color);
11465 assert_eq!(out[1].color, adjusted_bg1);
11466 assert_eq!(out[2].color, text_color);
11467 assert_eq!(out[3].color, adjusted_bg2);
11468 assert_eq!(out[4].color, text_color);
11469 }
11470
11471 // Case B: multiple runs; segment extends to end of line (u32::MAX)
11472 {
11473 let runs = vec![
11474 generate_test_run(8, text_color),
11475 generate_test_run(7, text_color),
11476 ];
11477 let segs = vec![(dx(6, u32::MAX), bg_1)];
11478 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11479 // Expected slices across runs: [0,6) [6,8) | [0,7)
11480 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![6, 2, 7]);
11481 assert_eq!(out[0].color, text_color);
11482 assert_eq!(out[1].color, adjusted_bg1);
11483 assert_eq!(out[2].color, adjusted_bg1);
11484 }
11485
11486 // Case C: multi-byte characters
11487 {
11488 // for text: "Hello π δΈη!"
11489 let runs = vec![
11490 generate_test_run(5, text_color), // "Hello"
11491 generate_test_run(6, text_color), // " π "
11492 generate_test_run(6, text_color), // "δΈη"
11493 generate_test_run(1, text_color), // "!"
11494 ];
11495 // selecting "π δΈ"
11496 let segs = vec![(dx(6, 14), bg_1)];
11497 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11498 // "Hello" | " " | "π " | "δΈ" | "η" | "!"
11499 assert_eq!(
11500 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11501 vec![5, 1, 5, 3, 3, 1]
11502 );
11503 assert_eq!(out[0].color, text_color); // "Hello"
11504 assert_eq!(out[2].color, adjusted_bg1); // "π "
11505 assert_eq!(out[3].color, adjusted_bg1); // "δΈ"
11506 assert_eq!(out[4].color, text_color); // "η"
11507 assert_eq!(out[5].color, text_color); // "!"
11508 }
11509
11510 // Case D: split multiple consecutive text runs with segments
11511 {
11512 let segs = vec![
11513 (dx(2, 4), bg_1), // selecting "cd"
11514 (dx(4, 8), bg_2), // selecting "efgh"
11515 (dx(9, 11), bg_1), // selecting "jk"
11516 (dx(12, 16), bg_2), // selecting "mnop"
11517 (dx(18, 19), bg_1), // selecting "s"
11518 ];
11519
11520 // for text: "abcdef"
11521 let runs = vec![
11522 generate_test_run(2, text_color), // ab
11523 generate_test_run(4, text_color), // cdef
11524 ];
11525 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11526 // new splits "ab", "cd", "ef"
11527 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![2, 2, 2]);
11528 assert_eq!(out[0].color, text_color);
11529 assert_eq!(out[1].color, adjusted_bg1);
11530 assert_eq!(out[2].color, adjusted_bg2);
11531
11532 // for text: "ghijklmn"
11533 let runs = vec![
11534 generate_test_run(3, text_color), // ghi
11535 generate_test_run(2, text_color), // jk
11536 generate_test_run(3, text_color), // lmn
11537 ];
11538 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 6); // 2 + 4 from first run
11539 // new splits "gh", "i", "jk", "l", "mn"
11540 assert_eq!(
11541 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11542 vec![2, 1, 2, 1, 2]
11543 );
11544 assert_eq!(out[0].color, adjusted_bg2);
11545 assert_eq!(out[1].color, text_color);
11546 assert_eq!(out[2].color, adjusted_bg1);
11547 assert_eq!(out[3].color, text_color);
11548 assert_eq!(out[4].color, adjusted_bg2);
11549
11550 // for text: "opqrs"
11551 let runs = vec![
11552 generate_test_run(1, text_color), // o
11553 generate_test_run(4, text_color), // pqrs
11554 ];
11555 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 14); // 6 + 3 + 2 + 3 from first two runs
11556 // new splits "o", "p", "qr", "s"
11557 assert_eq!(
11558 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11559 vec![1, 1, 2, 1]
11560 );
11561 assert_eq!(out[0].color, adjusted_bg2);
11562 assert_eq!(out[1].color, adjusted_bg2);
11563 assert_eq!(out[2].color, text_color);
11564 assert_eq!(out[3].color, adjusted_bg1);
11565 }
11566 }
11567}