1use crate::{
2 ActiveDiagnostic, BlockId, CURSORS_VISIBLE_FOR, ChunkRendererContext, ChunkReplacement,
3 CodeActionSource, ColumnarMode, ConflictsOurs, ConflictsOursMarker, ConflictsOuter,
4 ConflictsTheirs, ConflictsTheirsMarker, ContextMenuPlacement, CursorShape, CustomBlockId,
5 DisplayDiffHunk, DisplayPoint, DisplayRow, DocumentHighlightRead, DocumentHighlightWrite,
6 EditDisplayMode, EditPrediction, Editor, EditorMode, EditorSettings, EditorSnapshot,
7 EditorStyle, FILE_HEADER_HEIGHT, FocusedBlock, GutterDimensions, HalfPageDown, HalfPageUp,
8 HandleInput, HoveredCursor, InlayHintRefreshReason, JumpData, LineDown, LineHighlight, LineUp,
9 MAX_LINE_LEN, MINIMAP_FONT_SIZE, MULTI_BUFFER_EXCERPT_HEADER_HEIGHT, OpenExcerpts, PageDown,
10 PageUp, PhantomBreakpointIndicator, Point, RowExt, RowRangeExt, SelectPhase,
11 SelectedTextHighlight, Selection, SelectionDragState, SoftWrap, StickyHeaderExcerpt, ToPoint,
12 ToggleFold, ToggleFoldAll,
13 code_context_menus::{CodeActionsMenu, MENU_ASIDE_MAX_WIDTH, MENU_ASIDE_MIN_WIDTH, MENU_GAP},
14 display_map::{
15 Block, BlockContext, BlockStyle, ChunkRendererId, DisplaySnapshot, EditorMargins,
16 HighlightKey, HighlightedChunk, ToDisplayPoint,
17 },
18 editor_settings::{
19 CurrentLineHighlight, DocumentColorsRenderMode, DoubleClickInMultibuffer, Minimap,
20 MinimapThumb, MinimapThumbBorder, ScrollBeyondLastLine, ScrollbarAxes,
21 ScrollbarDiagnostics, ShowMinimap,
22 },
23 git::blame::{BlameRenderer, GitBlame, GlobalBlameRenderer},
24 hover_popover::{
25 self, HOVER_POPOVER_GAP, MIN_POPOVER_CHARACTER_WIDTH, MIN_POPOVER_LINE_HEIGHT,
26 POPOVER_RIGHT_OFFSET, hover_at,
27 },
28 inlay_hint_settings,
29 items::BufferSearchHighlights,
30 mouse_context_menu::{self, MenuPosition},
31 scroll::{
32 ActiveScrollbarState, ScrollOffset, ScrollPixelOffset, ScrollbarThumbState,
33 scroll_amount::ScrollAmount,
34 },
35};
36use buffer_diff::{DiffHunkStatus, DiffHunkStatusKind};
37use collections::{BTreeMap, HashMap};
38use file_icons::FileIcons;
39use git::{
40 Oid,
41 blame::{BlameEntry, ParsedCommitMessage},
42 status::FileStatus,
43};
44use gpui::{
45 Action, Along, AnyElement, App, AppContext, AvailableSpace, Axis as ScrollbarAxis, BorderStyle,
46 Bounds, ClickEvent, ClipboardItem, ContentMask, Context, Corner, Corners, CursorStyle,
47 DispatchPhase, Edges, Element, ElementInputHandler, Entity, Focusable as _, FontId,
48 GlobalElementId, Hitbox, HitboxBehavior, Hsla, InteractiveElement, IntoElement, IsZero,
49 KeybindingKeystroke, Length, Modifiers, ModifiersChangedEvent, MouseButton, MouseClickEvent,
50 MouseDownEvent, MouseMoveEvent, MouseUpEvent, PaintQuad, ParentElement, Pixels, ScrollDelta,
51 ScrollHandle, ScrollWheelEvent, ShapedLine, SharedString, Size, StatefulInteractiveElement,
52 Style, Styled, TextRun, TextStyleRefinement, WeakEntity, Window, anchored, deferred, div, fill,
53 linear_color_stop, linear_gradient, outline, point, px, quad, relative, size, solid_background,
54 transparent_black,
55};
56use itertools::Itertools;
57use language::{IndentGuideSettings, language_settings::ShowWhitespaceSetting};
58use markdown::Markdown;
59use multi_buffer::{
60 Anchor, ExcerptId, ExcerptInfo, ExpandExcerptDirection, ExpandInfo, MultiBufferPoint,
61 MultiBufferRow, RowInfo,
62};
63
64use project::{
65 Entry, ProjectPath,
66 debugger::breakpoint_store::{Breakpoint, BreakpointSessionState},
67 project_settings::ProjectSettings,
68};
69use settings::{
70 GitGutterSetting, GitHunkStyleSetting, IndentGuideBackgroundColoring, IndentGuideColoring,
71 Settings,
72};
73use smallvec::{SmallVec, smallvec};
74use std::{
75 any::TypeId,
76 borrow::Cow,
77 cmp::{self, Ordering},
78 fmt::{self, Write},
79 iter, mem,
80 ops::{Deref, Range},
81 path::{self, Path},
82 rc::Rc,
83 sync::Arc,
84 time::{Duration, Instant},
85};
86use sum_tree::Bias;
87use text::{BufferId, SelectionGoal};
88use theme::{ActiveTheme, Appearance, BufferLineHeight, PlayerColor};
89use ui::utils::ensure_minimum_contrast;
90use ui::{
91 ButtonLike, ContextMenu, Indicator, KeyBinding, POPOVER_Y_PADDING, Tooltip, h_flex, prelude::*,
92 right_click_menu, scrollbars::ShowScrollbar, text_for_keystroke,
93};
94use unicode_segmentation::UnicodeSegmentation;
95use util::post_inc;
96use util::{RangeExt, ResultExt, debug_panic};
97use workspace::{
98 CollaboratorId, ItemSettings, OpenInTerminal, OpenTerminal, RevealInProjectPanel, Workspace,
99 item::{Item, ItemBufferKind},
100 notifications::NotifyTaskExt,
101};
102
103/// Determines what kinds of highlights should be applied to a lines background.
104#[derive(Clone, Copy, Default)]
105struct LineHighlightSpec {
106 selection: bool,
107 breakpoint: bool,
108 _active_stack_frame: bool,
109}
110
111#[derive(Debug)]
112struct SelectionLayout {
113 head: DisplayPoint,
114 cursor_shape: CursorShape,
115 is_newest: bool,
116 is_local: bool,
117 range: Range<DisplayPoint>,
118 active_rows: Range<DisplayRow>,
119 user_name: Option<SharedString>,
120}
121
122struct InlineBlameLayout {
123 element: AnyElement,
124 bounds: Bounds<Pixels>,
125 buffer_id: BufferId,
126 entry: BlameEntry,
127}
128
129impl SelectionLayout {
130 fn new<T: ToPoint + ToDisplayPoint + Clone>(
131 selection: Selection<T>,
132 line_mode: bool,
133 cursor_shape: CursorShape,
134 map: &DisplaySnapshot,
135 is_newest: bool,
136 is_local: bool,
137 user_name: Option<SharedString>,
138 ) -> Self {
139 let point_selection = selection.map(|p| p.to_point(map.buffer_snapshot()));
140 let display_selection = point_selection.map(|p| p.to_display_point(map));
141 let mut range = display_selection.range();
142 let mut head = display_selection.head();
143 let mut active_rows = map.prev_line_boundary(point_selection.start).1.row()
144 ..map.next_line_boundary(point_selection.end).1.row();
145
146 // vim visual line mode
147 if line_mode {
148 let point_range = map.expand_to_line(point_selection.range());
149 range = point_range.start.to_display_point(map)..point_range.end.to_display_point(map);
150 }
151
152 // any vim visual mode (including line mode)
153 if (cursor_shape == CursorShape::Block || cursor_shape == CursorShape::Hollow)
154 && !range.is_empty()
155 && !selection.reversed
156 {
157 if head.column() > 0 {
158 head = map.clip_point(DisplayPoint::new(head.row(), head.column() - 1), Bias::Left)
159 } else if head.row().0 > 0 && head != map.max_point() {
160 head = map.clip_point(
161 DisplayPoint::new(
162 head.row().previous_row(),
163 map.line_len(head.row().previous_row()),
164 ),
165 Bias::Left,
166 );
167 // updating range.end is a no-op unless you're cursor is
168 // on the newline containing a multi-buffer divider
169 // in which case the clip_point may have moved the head up
170 // an additional row.
171 range.end = DisplayPoint::new(head.row().next_row(), 0);
172 active_rows.end = head.row();
173 }
174 }
175
176 Self {
177 head,
178 cursor_shape,
179 is_newest,
180 is_local,
181 range,
182 active_rows,
183 user_name,
184 }
185 }
186}
187
188pub struct EditorElement {
189 editor: Entity<Editor>,
190 style: EditorStyle,
191}
192
193type DisplayRowDelta = u32;
194
195impl EditorElement {
196 pub(crate) const SCROLLBAR_WIDTH: Pixels = px(15.);
197
198 pub fn new(editor: &Entity<Editor>, style: EditorStyle) -> Self {
199 Self {
200 editor: editor.clone(),
201 style,
202 }
203 }
204
205 fn register_actions(&self, window: &mut Window, cx: &mut App) {
206 let editor = &self.editor;
207 editor.update(cx, |editor, cx| {
208 for action in editor.editor_actions.borrow().values() {
209 (action)(editor, window, cx)
210 }
211 });
212
213 crate::rust_analyzer_ext::apply_related_actions(editor, window, cx);
214 crate::clangd_ext::apply_related_actions(editor, window, cx);
215
216 register_action(editor, window, Editor::open_context_menu);
217 register_action(editor, window, Editor::move_left);
218 register_action(editor, window, Editor::move_right);
219 register_action(editor, window, Editor::move_down);
220 register_action(editor, window, Editor::move_down_by_lines);
221 register_action(editor, window, Editor::select_down_by_lines);
222 register_action(editor, window, Editor::move_up);
223 register_action(editor, window, Editor::move_up_by_lines);
224 register_action(editor, window, Editor::select_up_by_lines);
225 register_action(editor, window, Editor::select_page_down);
226 register_action(editor, window, Editor::select_page_up);
227 register_action(editor, window, Editor::cancel);
228 register_action(editor, window, Editor::newline);
229 register_action(editor, window, Editor::newline_above);
230 register_action(editor, window, Editor::newline_below);
231 register_action(editor, window, Editor::backspace);
232 register_action(editor, window, Editor::blame_hover);
233 register_action(editor, window, Editor::delete);
234 register_action(editor, window, Editor::tab);
235 register_action(editor, window, Editor::backtab);
236 register_action(editor, window, Editor::indent);
237 register_action(editor, window, Editor::outdent);
238 register_action(editor, window, Editor::autoindent);
239 register_action(editor, window, Editor::delete_line);
240 register_action(editor, window, Editor::join_lines);
241 register_action(editor, window, Editor::sort_lines_by_length);
242 register_action(editor, window, Editor::sort_lines_case_sensitive);
243 register_action(editor, window, Editor::sort_lines_case_insensitive);
244 register_action(editor, window, Editor::reverse_lines);
245 register_action(editor, window, Editor::shuffle_lines);
246 register_action(editor, window, Editor::convert_indentation_to_spaces);
247 register_action(editor, window, Editor::convert_indentation_to_tabs);
248 register_action(editor, window, Editor::convert_to_upper_case);
249 register_action(editor, window, Editor::convert_to_lower_case);
250 register_action(editor, window, Editor::convert_to_title_case);
251 register_action(editor, window, Editor::convert_to_snake_case);
252 register_action(editor, window, Editor::convert_to_kebab_case);
253 register_action(editor, window, Editor::convert_to_upper_camel_case);
254 register_action(editor, window, Editor::convert_to_lower_camel_case);
255 register_action(editor, window, Editor::convert_to_opposite_case);
256 register_action(editor, window, Editor::convert_to_sentence_case);
257 register_action(editor, window, Editor::toggle_case);
258 register_action(editor, window, Editor::convert_to_rot13);
259 register_action(editor, window, Editor::convert_to_rot47);
260 register_action(editor, window, Editor::delete_to_previous_word_start);
261 register_action(editor, window, Editor::delete_to_previous_subword_start);
262 register_action(editor, window, Editor::delete_to_next_word_end);
263 register_action(editor, window, Editor::delete_to_next_subword_end);
264 register_action(editor, window, Editor::delete_to_beginning_of_line);
265 register_action(editor, window, Editor::delete_to_end_of_line);
266 register_action(editor, window, Editor::cut_to_end_of_line);
267 register_action(editor, window, Editor::duplicate_line_up);
268 register_action(editor, window, Editor::duplicate_line_down);
269 register_action(editor, window, Editor::duplicate_selection);
270 register_action(editor, window, Editor::move_line_up);
271 register_action(editor, window, Editor::move_line_down);
272 register_action(editor, window, Editor::transpose);
273 register_action(editor, window, Editor::rewrap);
274 register_action(editor, window, Editor::cut);
275 register_action(editor, window, Editor::kill_ring_cut);
276 register_action(editor, window, Editor::kill_ring_yank);
277 register_action(editor, window, Editor::copy);
278 register_action(editor, window, Editor::copy_and_trim);
279 register_action(editor, window, Editor::diff_clipboard_with_selection);
280 register_action(editor, window, Editor::paste);
281 register_action(editor, window, Editor::undo);
282 register_action(editor, window, Editor::redo);
283 register_action(editor, window, Editor::move_page_up);
284 register_action(editor, window, Editor::move_page_down);
285 register_action(editor, window, Editor::next_screen);
286 register_action(editor, window, Editor::scroll_cursor_top);
287 register_action(editor, window, Editor::scroll_cursor_center);
288 register_action(editor, window, Editor::scroll_cursor_bottom);
289 register_action(editor, window, Editor::scroll_cursor_center_top_bottom);
290 register_action(editor, window, |editor, _: &LineDown, window, cx| {
291 editor.scroll_screen(&ScrollAmount::Line(1.), window, cx)
292 });
293 register_action(editor, window, |editor, _: &LineUp, window, cx| {
294 editor.scroll_screen(&ScrollAmount::Line(-1.), window, cx)
295 });
296 register_action(editor, window, |editor, _: &HalfPageDown, window, cx| {
297 editor.scroll_screen(&ScrollAmount::Page(0.5), window, cx)
298 });
299 register_action(
300 editor,
301 window,
302 |editor, HandleInput(text): &HandleInput, window, cx| {
303 if text.is_empty() {
304 return;
305 }
306 editor.handle_input(text, window, cx);
307 },
308 );
309 register_action(editor, window, |editor, _: &HalfPageUp, window, cx| {
310 editor.scroll_screen(&ScrollAmount::Page(-0.5), window, cx)
311 });
312 register_action(editor, window, |editor, _: &PageDown, window, cx| {
313 editor.scroll_screen(&ScrollAmount::Page(1.), window, cx)
314 });
315 register_action(editor, window, |editor, _: &PageUp, window, cx| {
316 editor.scroll_screen(&ScrollAmount::Page(-1.), window, cx)
317 });
318 register_action(editor, window, Editor::move_to_previous_word_start);
319 register_action(editor, window, Editor::move_to_previous_subword_start);
320 register_action(editor, window, Editor::move_to_next_word_end);
321 register_action(editor, window, Editor::move_to_next_subword_end);
322 register_action(editor, window, Editor::move_to_beginning_of_line);
323 register_action(editor, window, Editor::move_to_end_of_line);
324 register_action(editor, window, Editor::move_to_start_of_paragraph);
325 register_action(editor, window, Editor::move_to_end_of_paragraph);
326 register_action(editor, window, Editor::move_to_beginning);
327 register_action(editor, window, Editor::move_to_end);
328 register_action(editor, window, Editor::move_to_start_of_excerpt);
329 register_action(editor, window, Editor::move_to_start_of_next_excerpt);
330 register_action(editor, window, Editor::move_to_end_of_excerpt);
331 register_action(editor, window, Editor::move_to_end_of_previous_excerpt);
332 register_action(editor, window, Editor::select_up);
333 register_action(editor, window, Editor::select_down);
334 register_action(editor, window, Editor::select_left);
335 register_action(editor, window, Editor::select_right);
336 register_action(editor, window, Editor::select_to_previous_word_start);
337 register_action(editor, window, Editor::select_to_previous_subword_start);
338 register_action(editor, window, Editor::select_to_next_word_end);
339 register_action(editor, window, Editor::select_to_next_subword_end);
340 register_action(editor, window, Editor::select_to_beginning_of_line);
341 register_action(editor, window, Editor::select_to_end_of_line);
342 register_action(editor, window, Editor::select_to_start_of_paragraph);
343 register_action(editor, window, Editor::select_to_end_of_paragraph);
344 register_action(editor, window, Editor::select_to_start_of_excerpt);
345 register_action(editor, window, Editor::select_to_start_of_next_excerpt);
346 register_action(editor, window, Editor::select_to_end_of_excerpt);
347 register_action(editor, window, Editor::select_to_end_of_previous_excerpt);
348 register_action(editor, window, Editor::select_to_beginning);
349 register_action(editor, window, Editor::select_to_end);
350 register_action(editor, window, Editor::select_all);
351 register_action(editor, window, |editor, action, window, cx| {
352 editor.select_all_matches(action, window, cx).log_err();
353 });
354 register_action(editor, window, Editor::select_line);
355 register_action(editor, window, Editor::split_selection_into_lines);
356 register_action(editor, window, Editor::add_selection_above);
357 register_action(editor, window, Editor::add_selection_below);
358 register_action(editor, window, |editor, action, window, cx| {
359 editor.select_next(action, window, cx).log_err();
360 });
361 register_action(editor, window, |editor, action, window, cx| {
362 editor.select_previous(action, window, cx).log_err();
363 });
364 register_action(editor, window, |editor, action, window, cx| {
365 editor.find_next_match(action, window, cx).log_err();
366 });
367 register_action(editor, window, |editor, action, window, cx| {
368 editor.find_previous_match(action, window, cx).log_err();
369 });
370 register_action(editor, window, Editor::toggle_comments);
371 register_action(editor, window, Editor::select_larger_syntax_node);
372 register_action(editor, window, Editor::select_smaller_syntax_node);
373 register_action(editor, window, Editor::select_next_syntax_node);
374 register_action(editor, window, Editor::select_prev_syntax_node);
375 register_action(editor, window, Editor::unwrap_syntax_node);
376 register_action(editor, window, Editor::select_enclosing_symbol);
377 register_action(editor, window, Editor::move_to_enclosing_bracket);
378 register_action(editor, window, Editor::undo_selection);
379 register_action(editor, window, Editor::redo_selection);
380 if editor.read(cx).buffer_kind(cx) == ItemBufferKind::Multibuffer {
381 register_action(editor, window, Editor::expand_excerpts);
382 register_action(editor, window, Editor::expand_excerpts_up);
383 register_action(editor, window, Editor::expand_excerpts_down);
384 }
385 register_action(editor, window, Editor::go_to_diagnostic);
386 register_action(editor, window, Editor::go_to_prev_diagnostic);
387 register_action(editor, window, Editor::go_to_next_hunk);
388 register_action(editor, window, Editor::go_to_prev_hunk);
389 register_action(editor, window, Editor::go_to_next_document_highlight);
390 register_action(editor, window, Editor::go_to_prev_document_highlight);
391 register_action(editor, window, |editor, action, window, cx| {
392 editor
393 .go_to_definition(action, window, cx)
394 .detach_and_log_err(cx);
395 });
396 register_action(editor, window, |editor, action, window, cx| {
397 editor
398 .go_to_definition_split(action, window, cx)
399 .detach_and_log_err(cx);
400 });
401 register_action(editor, window, |editor, action, window, cx| {
402 editor
403 .go_to_declaration(action, window, cx)
404 .detach_and_log_err(cx);
405 });
406 register_action(editor, window, |editor, action, window, cx| {
407 editor
408 .go_to_declaration_split(action, window, cx)
409 .detach_and_log_err(cx);
410 });
411 register_action(editor, window, |editor, action, window, cx| {
412 editor
413 .go_to_implementation(action, window, cx)
414 .detach_and_log_err(cx);
415 });
416 register_action(editor, window, |editor, action, window, cx| {
417 editor
418 .go_to_implementation_split(action, window, cx)
419 .detach_and_log_err(cx);
420 });
421 register_action(editor, window, |editor, action, window, cx| {
422 editor
423 .go_to_type_definition(action, window, cx)
424 .detach_and_log_err(cx);
425 });
426 register_action(editor, window, |editor, action, window, cx| {
427 editor
428 .go_to_type_definition_split(action, window, cx)
429 .detach_and_log_err(cx);
430 });
431 register_action(editor, window, Editor::open_url);
432 register_action(editor, window, Editor::open_selected_filename);
433 register_action(editor, window, Editor::fold);
434 register_action(editor, window, Editor::fold_at_level);
435 register_action(editor, window, Editor::fold_at_level_1);
436 register_action(editor, window, Editor::fold_at_level_2);
437 register_action(editor, window, Editor::fold_at_level_3);
438 register_action(editor, window, Editor::fold_at_level_4);
439 register_action(editor, window, Editor::fold_at_level_5);
440 register_action(editor, window, Editor::fold_at_level_6);
441 register_action(editor, window, Editor::fold_at_level_7);
442 register_action(editor, window, Editor::fold_at_level_8);
443 register_action(editor, window, Editor::fold_at_level_9);
444 register_action(editor, window, Editor::fold_all);
445 register_action(editor, window, Editor::fold_function_bodies);
446 register_action(editor, window, Editor::fold_recursive);
447 register_action(editor, window, Editor::toggle_fold);
448 register_action(editor, window, Editor::toggle_fold_recursive);
449 register_action(editor, window, Editor::toggle_fold_all);
450 register_action(editor, window, Editor::unfold_lines);
451 register_action(editor, window, Editor::unfold_recursive);
452 register_action(editor, window, Editor::unfold_all);
453 register_action(editor, window, Editor::fold_selected_ranges);
454 register_action(editor, window, Editor::set_mark);
455 register_action(editor, window, Editor::swap_selection_ends);
456 register_action(editor, window, Editor::show_completions);
457 register_action(editor, window, Editor::show_word_completions);
458 register_action(editor, window, Editor::toggle_code_actions);
459 register_action(editor, window, Editor::open_excerpts);
460 register_action(editor, window, Editor::open_excerpts_in_split);
461 register_action(editor, window, Editor::open_proposed_changes_editor);
462 register_action(editor, window, Editor::toggle_soft_wrap);
463 register_action(editor, window, Editor::toggle_tab_bar);
464 register_action(editor, window, Editor::toggle_line_numbers);
465 register_action(editor, window, Editor::toggle_relative_line_numbers);
466 register_action(editor, window, Editor::toggle_indent_guides);
467 register_action(editor, window, Editor::toggle_inlay_hints);
468 register_action(editor, window, Editor::toggle_edit_predictions);
469 if editor.read(cx).diagnostics_enabled() {
470 register_action(editor, window, Editor::toggle_diagnostics);
471 }
472 if editor.read(cx).inline_diagnostics_enabled() {
473 register_action(editor, window, Editor::toggle_inline_diagnostics);
474 }
475 if editor.read(cx).supports_minimap(cx) {
476 register_action(editor, window, Editor::toggle_minimap);
477 }
478 register_action(editor, window, hover_popover::hover);
479 register_action(editor, window, Editor::reveal_in_finder);
480 register_action(editor, window, Editor::copy_path);
481 register_action(editor, window, Editor::copy_relative_path);
482 register_action(editor, window, Editor::copy_file_name);
483 register_action(editor, window, Editor::copy_file_name_without_extension);
484 register_action(editor, window, Editor::copy_highlight_json);
485 register_action(editor, window, Editor::copy_permalink_to_line);
486 register_action(editor, window, Editor::open_permalink_to_line);
487 register_action(editor, window, Editor::copy_file_location);
488 register_action(editor, window, Editor::toggle_git_blame);
489 register_action(editor, window, Editor::toggle_git_blame_inline);
490 register_action(editor, window, Editor::open_git_blame_commit);
491 register_action(editor, window, Editor::toggle_selected_diff_hunks);
492 register_action(editor, window, Editor::toggle_staged_selected_diff_hunks);
493 register_action(editor, window, Editor::stage_and_next);
494 register_action(editor, window, Editor::unstage_and_next);
495 register_action(editor, window, Editor::expand_all_diff_hunks);
496 register_action(editor, window, Editor::go_to_previous_change);
497 register_action(editor, window, Editor::go_to_next_change);
498
499 register_action(editor, window, |editor, action, window, cx| {
500 if let Some(task) = editor.format(action, window, cx) {
501 task.detach_and_notify_err(window, cx);
502 } else {
503 cx.propagate();
504 }
505 });
506 register_action(editor, window, |editor, action, window, cx| {
507 if let Some(task) = editor.format_selections(action, window, cx) {
508 task.detach_and_notify_err(window, cx);
509 } else {
510 cx.propagate();
511 }
512 });
513 register_action(editor, window, |editor, action, window, cx| {
514 if let Some(task) = editor.organize_imports(action, window, cx) {
515 task.detach_and_notify_err(window, cx);
516 } else {
517 cx.propagate();
518 }
519 });
520 register_action(editor, window, Editor::restart_language_server);
521 register_action(editor, window, Editor::stop_language_server);
522 register_action(editor, window, Editor::show_character_palette);
523 register_action(editor, window, |editor, action, window, cx| {
524 if let Some(task) = editor.confirm_completion(action, window, cx) {
525 task.detach_and_notify_err(window, cx);
526 } else {
527 cx.propagate();
528 }
529 });
530 register_action(editor, window, |editor, action, window, cx| {
531 if let Some(task) = editor.confirm_completion_replace(action, window, cx) {
532 task.detach_and_notify_err(window, cx);
533 } else {
534 cx.propagate();
535 }
536 });
537 register_action(editor, window, |editor, action, window, cx| {
538 if let Some(task) = editor.confirm_completion_insert(action, window, cx) {
539 task.detach_and_notify_err(window, cx);
540 } else {
541 cx.propagate();
542 }
543 });
544 register_action(editor, window, |editor, action, window, cx| {
545 if let Some(task) = editor.compose_completion(action, window, cx) {
546 task.detach_and_notify_err(window, cx);
547 } else {
548 cx.propagate();
549 }
550 });
551 register_action(editor, window, |editor, action, window, cx| {
552 if let Some(task) = editor.confirm_code_action(action, window, cx) {
553 task.detach_and_notify_err(window, cx);
554 } else {
555 cx.propagate();
556 }
557 });
558 register_action(editor, window, |editor, action, window, cx| {
559 if let Some(task) = editor.rename(action, window, cx) {
560 task.detach_and_notify_err(window, cx);
561 } else {
562 cx.propagate();
563 }
564 });
565 register_action(editor, window, |editor, action, window, cx| {
566 if let Some(task) = editor.confirm_rename(action, window, cx) {
567 task.detach_and_notify_err(window, cx);
568 } else {
569 cx.propagate();
570 }
571 });
572 register_action(editor, window, |editor, action, window, cx| {
573 if let Some(task) = editor.find_all_references(action, window, cx) {
574 task.detach_and_log_err(cx);
575 } else {
576 cx.propagate();
577 }
578 });
579 register_action(editor, window, Editor::show_signature_help);
580 register_action(editor, window, Editor::signature_help_prev);
581 register_action(editor, window, Editor::signature_help_next);
582 register_action(editor, window, Editor::next_edit_prediction);
583 register_action(editor, window, Editor::previous_edit_prediction);
584 register_action(editor, window, Editor::show_edit_prediction);
585 register_action(editor, window, Editor::context_menu_first);
586 register_action(editor, window, Editor::context_menu_prev);
587 register_action(editor, window, Editor::context_menu_next);
588 register_action(editor, window, Editor::context_menu_last);
589 register_action(editor, window, Editor::display_cursor_names);
590 register_action(editor, window, Editor::unique_lines_case_insensitive);
591 register_action(editor, window, Editor::unique_lines_case_sensitive);
592 register_action(editor, window, Editor::accept_partial_edit_prediction);
593 register_action(editor, window, Editor::accept_edit_prediction);
594 register_action(editor, window, Editor::restore_file);
595 register_action(editor, window, Editor::git_restore);
596 register_action(editor, window, Editor::apply_all_diff_hunks);
597 register_action(editor, window, Editor::apply_selected_diff_hunks);
598 register_action(editor, window, Editor::open_active_item_in_terminal);
599 register_action(editor, window, Editor::reload_file);
600 register_action(editor, window, Editor::spawn_nearest_task);
601 register_action(editor, window, Editor::insert_uuid_v4);
602 register_action(editor, window, Editor::insert_uuid_v7);
603 register_action(editor, window, Editor::open_selections_in_multibuffer);
604 register_action(editor, window, Editor::toggle_breakpoint);
605 register_action(editor, window, Editor::edit_log_breakpoint);
606 register_action(editor, window, Editor::enable_breakpoint);
607 register_action(editor, window, Editor::disable_breakpoint);
608 if editor.read(cx).enable_wrap_selections_in_tag(cx) {
609 register_action(editor, window, Editor::wrap_selections_in_tag);
610 }
611 }
612
613 fn register_key_listeners(&self, window: &mut Window, _: &mut App, layout: &EditorLayout) {
614 let position_map = layout.position_map.clone();
615 window.on_key_event({
616 let editor = self.editor.clone();
617 move |event: &ModifiersChangedEvent, phase, window, cx| {
618 if phase != DispatchPhase::Bubble {
619 return;
620 }
621 editor.update(cx, |editor, cx| {
622 let inlay_hint_settings = inlay_hint_settings(
623 editor.selections.newest_anchor().head(),
624 &editor.buffer.read(cx).snapshot(cx),
625 cx,
626 );
627
628 if let Some(inlay_modifiers) = inlay_hint_settings
629 .toggle_on_modifiers_press
630 .as_ref()
631 .filter(|modifiers| modifiers.modified())
632 {
633 editor.refresh_inlay_hints(
634 InlayHintRefreshReason::ModifiersChanged(
635 inlay_modifiers == &event.modifiers,
636 ),
637 cx,
638 );
639 }
640
641 if editor.hover_state.focused(window, cx) {
642 return;
643 }
644
645 editor.handle_modifiers_changed(event.modifiers, &position_map, window, cx);
646 })
647 }
648 });
649 }
650
651 fn mouse_left_down(
652 editor: &mut Editor,
653 event: &MouseDownEvent,
654 hovered_hunk: Option<Range<Anchor>>,
655 position_map: &PositionMap,
656 line_numbers: &HashMap<MultiBufferRow, LineNumberLayout>,
657 window: &mut Window,
658 cx: &mut Context<Editor>,
659 ) {
660 if window.default_prevented() {
661 return;
662 }
663
664 let text_hitbox = &position_map.text_hitbox;
665 let gutter_hitbox = &position_map.gutter_hitbox;
666 let point_for_position = position_map.point_for_position(event.position);
667 let mut click_count = event.click_count;
668 let mut modifiers = event.modifiers;
669
670 if let Some(hovered_hunk) = hovered_hunk {
671 editor.toggle_single_diff_hunk(hovered_hunk, cx);
672 cx.notify();
673 return;
674 } else if gutter_hitbox.is_hovered(window) {
675 click_count = 3; // Simulate triple-click when clicking the gutter to select lines
676 } else if !text_hitbox.is_hovered(window) {
677 return;
678 }
679
680 if EditorSettings::get_global(cx)
681 .drag_and_drop_selection
682 .enabled
683 && click_count == 1
684 {
685 let newest_anchor = editor.selections.newest_anchor();
686 let snapshot = editor.snapshot(window, cx);
687 let selection = newest_anchor.map(|anchor| anchor.to_display_point(&snapshot));
688 if point_for_position.intersects_selection(&selection) {
689 editor.selection_drag_state = SelectionDragState::ReadyToDrag {
690 selection: newest_anchor.clone(),
691 click_position: event.position,
692 mouse_down_time: Instant::now(),
693 };
694 cx.stop_propagation();
695 return;
696 }
697 }
698
699 let is_singleton = editor.buffer().read(cx).is_singleton();
700
701 if click_count == 2 && !is_singleton {
702 match EditorSettings::get_global(cx).double_click_in_multibuffer {
703 DoubleClickInMultibuffer::Select => {
704 // do nothing special on double click, all selection logic is below
705 }
706 DoubleClickInMultibuffer::Open => {
707 if modifiers.alt {
708 // if double click is made with alt, pretend it's a regular double click without opening and alt,
709 // and run the selection logic.
710 modifiers.alt = false;
711 } else {
712 let scroll_position_row = position_map.scroll_position.y;
713 let display_row = (((event.position - gutter_hitbox.bounds.origin).y
714 / position_map.line_height)
715 as f64
716 + position_map.scroll_position.y)
717 as u32;
718 let multi_buffer_row = position_map
719 .snapshot
720 .display_point_to_point(
721 DisplayPoint::new(DisplayRow(display_row), 0),
722 Bias::Right,
723 )
724 .row;
725 let line_offset_from_top = display_row - scroll_position_row as u32;
726 // if double click is made without alt, open the corresponding excerp
727 editor.open_excerpts_common(
728 Some(JumpData::MultiBufferRow {
729 row: MultiBufferRow(multi_buffer_row),
730 line_offset_from_top,
731 }),
732 false,
733 window,
734 cx,
735 );
736 return;
737 }
738 }
739 }
740 }
741
742 if !is_singleton {
743 let display_row = (ScrollPixelOffset::from(
744 (event.position - gutter_hitbox.bounds.origin).y / position_map.line_height,
745 ) + position_map.scroll_position.y) as u32;
746 let multi_buffer_row = position_map
747 .snapshot
748 .display_point_to_point(DisplayPoint::new(DisplayRow(display_row), 0), Bias::Right)
749 .row;
750 if line_numbers
751 .get(&MultiBufferRow(multi_buffer_row))
752 .and_then(|line_number| line_number.hitbox.as_ref())
753 .is_some_and(|hitbox| hitbox.contains(&event.position))
754 {
755 let line_offset_from_top = display_row - position_map.scroll_position.y as u32;
756
757 editor.open_excerpts_common(
758 Some(JumpData::MultiBufferRow {
759 row: MultiBufferRow(multi_buffer_row),
760 line_offset_from_top,
761 }),
762 modifiers.alt,
763 window,
764 cx,
765 );
766 cx.stop_propagation();
767 return;
768 }
769 }
770
771 let position = point_for_position.previous_valid;
772 if let Some(mode) = Editor::columnar_selection_mode(&modifiers, cx) {
773 editor.select(
774 SelectPhase::BeginColumnar {
775 position,
776 reset: match mode {
777 ColumnarMode::FromMouse => true,
778 ColumnarMode::FromSelection => false,
779 },
780 mode,
781 goal_column: point_for_position.exact_unclipped.column(),
782 },
783 window,
784 cx,
785 );
786 } else if modifiers.shift && !modifiers.control && !modifiers.alt && !modifiers.secondary()
787 {
788 editor.select(
789 SelectPhase::Extend {
790 position,
791 click_count,
792 },
793 window,
794 cx,
795 );
796 } else {
797 editor.select(
798 SelectPhase::Begin {
799 position,
800 add: Editor::multi_cursor_modifier(true, &modifiers, cx),
801 click_count,
802 },
803 window,
804 cx,
805 );
806 }
807 cx.stop_propagation();
808 }
809
810 fn mouse_right_down(
811 editor: &mut Editor,
812 event: &MouseDownEvent,
813 position_map: &PositionMap,
814 window: &mut Window,
815 cx: &mut Context<Editor>,
816 ) {
817 if position_map.gutter_hitbox.is_hovered(window) {
818 let gutter_right_padding = editor.gutter_dimensions.right_padding;
819 let hitbox = &position_map.gutter_hitbox;
820
821 if event.position.x <= hitbox.bounds.right() - gutter_right_padding {
822 let point_for_position = position_map.point_for_position(event.position);
823 editor.set_breakpoint_context_menu(
824 point_for_position.previous_valid.row(),
825 None,
826 event.position,
827 window,
828 cx,
829 );
830 }
831 return;
832 }
833
834 if !position_map.text_hitbox.is_hovered(window) {
835 return;
836 }
837
838 let point_for_position = position_map.point_for_position(event.position);
839 mouse_context_menu::deploy_context_menu(
840 editor,
841 Some(event.position),
842 point_for_position.previous_valid,
843 window,
844 cx,
845 );
846 cx.stop_propagation();
847 }
848
849 fn mouse_middle_down(
850 editor: &mut Editor,
851 event: &MouseDownEvent,
852 position_map: &PositionMap,
853 window: &mut Window,
854 cx: &mut Context<Editor>,
855 ) {
856 if !position_map.text_hitbox.is_hovered(window) || window.default_prevented() {
857 return;
858 }
859
860 let point_for_position = position_map.point_for_position(event.position);
861 let position = point_for_position.previous_valid;
862
863 editor.select(
864 SelectPhase::BeginColumnar {
865 position,
866 reset: true,
867 mode: ColumnarMode::FromMouse,
868 goal_column: point_for_position.exact_unclipped.column(),
869 },
870 window,
871 cx,
872 );
873 }
874
875 fn mouse_up(
876 editor: &mut Editor,
877 event: &MouseUpEvent,
878 position_map: &PositionMap,
879 window: &mut Window,
880 cx: &mut Context<Editor>,
881 ) {
882 let text_hitbox = &position_map.text_hitbox;
883 let end_selection = editor.has_pending_selection();
884 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
885 let point_for_position = position_map.point_for_position(event.position);
886
887 match editor.selection_drag_state {
888 SelectionDragState::ReadyToDrag {
889 selection: _,
890 ref click_position,
891 mouse_down_time: _,
892 } => {
893 if event.position == *click_position {
894 editor.select(
895 SelectPhase::Begin {
896 position: point_for_position.previous_valid,
897 add: false,
898 click_count: 1, // ready to drag state only occurs on click count 1
899 },
900 window,
901 cx,
902 );
903 editor.selection_drag_state = SelectionDragState::None;
904 cx.stop_propagation();
905 return;
906 } else {
907 debug_panic!("drag state can never be in ready state after drag")
908 }
909 }
910 SelectionDragState::Dragging { ref selection, .. } => {
911 let snapshot = editor.snapshot(window, cx);
912 let selection_display = selection.map(|anchor| anchor.to_display_point(&snapshot));
913 if !point_for_position.intersects_selection(&selection_display)
914 && text_hitbox.is_hovered(window)
915 {
916 let is_cut = !(cfg!(target_os = "macos") && event.modifiers.alt
917 || cfg!(not(target_os = "macos")) && event.modifiers.control);
918 editor.move_selection_on_drop(
919 &selection.clone(),
920 point_for_position.previous_valid,
921 is_cut,
922 window,
923 cx,
924 );
925 }
926 editor.selection_drag_state = SelectionDragState::None;
927 cx.stop_propagation();
928 cx.notify();
929 return;
930 }
931 _ => {}
932 }
933
934 if end_selection {
935 editor.select(SelectPhase::End, window, cx);
936 }
937
938 if end_selection && pending_nonempty_selections {
939 cx.stop_propagation();
940 } else if cfg!(any(target_os = "linux", target_os = "freebsd"))
941 && event.button == MouseButton::Middle
942 {
943 #[allow(
944 clippy::collapsible_if,
945 clippy::needless_return,
946 reason = "The cfg-block below makes this a false positive"
947 )]
948 if !text_hitbox.is_hovered(window) || editor.read_only(cx) {
949 return;
950 }
951
952 #[cfg(any(target_os = "linux", target_os = "freebsd"))]
953 if EditorSettings::get_global(cx).middle_click_paste {
954 if let Some(text) = cx.read_from_primary().and_then(|item| item.text()) {
955 let point_for_position = position_map.point_for_position(event.position);
956 let position = point_for_position.previous_valid;
957
958 editor.select(
959 SelectPhase::Begin {
960 position,
961 add: false,
962 click_count: 1,
963 },
964 window,
965 cx,
966 );
967 editor.insert(&text, window, cx);
968 }
969 cx.stop_propagation()
970 }
971 }
972 }
973
974 fn click(
975 editor: &mut Editor,
976 event: &ClickEvent,
977 position_map: &PositionMap,
978 window: &mut Window,
979 cx: &mut Context<Editor>,
980 ) {
981 let text_hitbox = &position_map.text_hitbox;
982 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
983
984 let hovered_link_modifier = Editor::multi_cursor_modifier(false, &event.modifiers(), cx);
985
986 if let Some(mouse_position) = event.mouse_position()
987 && !pending_nonempty_selections
988 && hovered_link_modifier
989 && text_hitbox.is_hovered(window)
990 {
991 let point = position_map.point_for_position(mouse_position);
992 editor.handle_click_hovered_link(point, event.modifiers(), window, cx);
993 editor.selection_drag_state = SelectionDragState::None;
994
995 cx.stop_propagation();
996 }
997 }
998
999 fn mouse_dragged(
1000 editor: &mut Editor,
1001 event: &MouseMoveEvent,
1002 position_map: &PositionMap,
1003 window: &mut Window,
1004 cx: &mut Context<Editor>,
1005 ) {
1006 if !editor.has_pending_selection()
1007 && matches!(editor.selection_drag_state, SelectionDragState::None)
1008 {
1009 return;
1010 }
1011
1012 let point_for_position = position_map.point_for_position(event.position);
1013 let text_hitbox = &position_map.text_hitbox;
1014
1015 let scroll_delta = {
1016 let text_bounds = text_hitbox.bounds;
1017 let mut scroll_delta = gpui::Point::<f32>::default();
1018 let vertical_margin = position_map.line_height.min(text_bounds.size.height / 3.0);
1019 let top = text_bounds.origin.y + vertical_margin;
1020 let bottom = text_bounds.bottom_left().y - vertical_margin;
1021 if event.position.y < top {
1022 scroll_delta.y = -scale_vertical_mouse_autoscroll_delta(top - event.position.y);
1023 }
1024 if event.position.y > bottom {
1025 scroll_delta.y = scale_vertical_mouse_autoscroll_delta(event.position.y - bottom);
1026 }
1027
1028 // We need horizontal width of text
1029 let style = editor.style.clone().unwrap_or_default();
1030 let font_id = window.text_system().resolve_font(&style.text.font());
1031 let font_size = style.text.font_size.to_pixels(window.rem_size());
1032 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
1033
1034 let scroll_margin_x = EditorSettings::get_global(cx).horizontal_scroll_margin;
1035
1036 let scroll_space: Pixels = scroll_margin_x * em_width;
1037
1038 let left = text_bounds.origin.x + scroll_space;
1039 let right = text_bounds.top_right().x - scroll_space;
1040
1041 if event.position.x < left {
1042 scroll_delta.x = -scale_horizontal_mouse_autoscroll_delta(left - event.position.x);
1043 }
1044 if event.position.x > right {
1045 scroll_delta.x = scale_horizontal_mouse_autoscroll_delta(event.position.x - right);
1046 }
1047 scroll_delta
1048 };
1049
1050 if !editor.has_pending_selection() {
1051 let drop_anchor = position_map
1052 .snapshot
1053 .display_point_to_anchor(point_for_position.previous_valid, Bias::Left);
1054 match editor.selection_drag_state {
1055 SelectionDragState::Dragging {
1056 ref mut drop_cursor,
1057 ref mut hide_drop_cursor,
1058 ..
1059 } => {
1060 drop_cursor.start = drop_anchor;
1061 drop_cursor.end = drop_anchor;
1062 *hide_drop_cursor = !text_hitbox.is_hovered(window);
1063 editor.apply_scroll_delta(scroll_delta, window, cx);
1064 cx.notify();
1065 }
1066 SelectionDragState::ReadyToDrag {
1067 ref selection,
1068 ref click_position,
1069 ref mouse_down_time,
1070 } => {
1071 let drag_and_drop_delay = Duration::from_millis(
1072 EditorSettings::get_global(cx).drag_and_drop_selection.delay,
1073 );
1074 if mouse_down_time.elapsed() >= drag_and_drop_delay {
1075 let drop_cursor = Selection {
1076 id: post_inc(&mut editor.selections.next_selection_id()),
1077 start: drop_anchor,
1078 end: drop_anchor,
1079 reversed: false,
1080 goal: SelectionGoal::None,
1081 };
1082 editor.selection_drag_state = SelectionDragState::Dragging {
1083 selection: selection.clone(),
1084 drop_cursor,
1085 hide_drop_cursor: false,
1086 };
1087 editor.apply_scroll_delta(scroll_delta, window, cx);
1088 cx.notify();
1089 } else {
1090 let click_point = position_map.point_for_position(*click_position);
1091 editor.selection_drag_state = SelectionDragState::None;
1092 editor.select(
1093 SelectPhase::Begin {
1094 position: click_point.previous_valid,
1095 add: false,
1096 click_count: 1,
1097 },
1098 window,
1099 cx,
1100 );
1101 editor.select(
1102 SelectPhase::Update {
1103 position: point_for_position.previous_valid,
1104 goal_column: point_for_position.exact_unclipped.column(),
1105 scroll_delta,
1106 },
1107 window,
1108 cx,
1109 );
1110 }
1111 }
1112 _ => {}
1113 }
1114 } else {
1115 editor.select(
1116 SelectPhase::Update {
1117 position: point_for_position.previous_valid,
1118 goal_column: point_for_position.exact_unclipped.column(),
1119 scroll_delta,
1120 },
1121 window,
1122 cx,
1123 );
1124 }
1125 }
1126
1127 fn mouse_moved(
1128 editor: &mut Editor,
1129 event: &MouseMoveEvent,
1130 position_map: &PositionMap,
1131 window: &mut Window,
1132 cx: &mut Context<Editor>,
1133 ) {
1134 let text_hitbox = &position_map.text_hitbox;
1135 let gutter_hitbox = &position_map.gutter_hitbox;
1136 let modifiers = event.modifiers;
1137 let text_hovered = text_hitbox.is_hovered(window);
1138 let gutter_hovered = gutter_hitbox.is_hovered(window);
1139 editor.set_gutter_hovered(gutter_hovered, cx);
1140 editor.show_mouse_cursor(cx);
1141
1142 let point_for_position = position_map.point_for_position(event.position);
1143 let valid_point = point_for_position.previous_valid;
1144
1145 let hovered_diff_control = position_map
1146 .diff_hunk_control_bounds
1147 .iter()
1148 .find(|(_, bounds)| bounds.contains(&event.position))
1149 .map(|(row, _)| *row);
1150
1151 let hovered_diff_hunk_row = if let Some(control_row) = hovered_diff_control {
1152 Some(control_row)
1153 } else if text_hovered {
1154 let current_row = valid_point.row();
1155 position_map.display_hunks.iter().find_map(|(hunk, _)| {
1156 if let DisplayDiffHunk::Unfolded {
1157 display_row_range, ..
1158 } = hunk
1159 {
1160 if display_row_range.contains(¤t_row) {
1161 Some(display_row_range.start)
1162 } else {
1163 None
1164 }
1165 } else {
1166 None
1167 }
1168 })
1169 } else {
1170 None
1171 };
1172
1173 if hovered_diff_hunk_row != editor.hovered_diff_hunk_row {
1174 editor.hovered_diff_hunk_row = hovered_diff_hunk_row;
1175 cx.notify();
1176 }
1177
1178 if let Some((bounds, buffer_id, blame_entry)) = &position_map.inline_blame_bounds {
1179 let mouse_over_inline_blame = bounds.contains(&event.position);
1180 let mouse_over_popover = editor
1181 .inline_blame_popover
1182 .as_ref()
1183 .and_then(|state| state.popover_bounds)
1184 .is_some_and(|bounds| bounds.contains(&event.position));
1185 let keyboard_grace = editor
1186 .inline_blame_popover
1187 .as_ref()
1188 .is_some_and(|state| state.keyboard_grace);
1189
1190 if mouse_over_inline_blame || mouse_over_popover {
1191 editor.show_blame_popover(*buffer_id, blame_entry, event.position, false, cx);
1192 } else if !keyboard_grace {
1193 editor.hide_blame_popover(cx);
1194 }
1195 } else {
1196 editor.hide_blame_popover(cx);
1197 }
1198
1199 let breakpoint_indicator = if gutter_hovered {
1200 let buffer_anchor = position_map
1201 .snapshot
1202 .display_point_to_anchor(valid_point, Bias::Left);
1203
1204 if let Some((buffer_snapshot, file)) = position_map
1205 .snapshot
1206 .buffer_snapshot()
1207 .buffer_for_excerpt(buffer_anchor.excerpt_id)
1208 .and_then(|buffer| buffer.file().map(|file| (buffer, file)))
1209 {
1210 let as_point = text::ToPoint::to_point(&buffer_anchor.text_anchor, buffer_snapshot);
1211
1212 let is_visible = editor
1213 .gutter_breakpoint_indicator
1214 .0
1215 .is_some_and(|indicator| indicator.is_active);
1216
1217 let has_existing_breakpoint =
1218 editor.breakpoint_store.as_ref().is_some_and(|store| {
1219 let Some(project) = &editor.project else {
1220 return false;
1221 };
1222 let Some(abs_path) = project.read(cx).absolute_path(
1223 &ProjectPath {
1224 path: file.path().clone(),
1225 worktree_id: file.worktree_id(cx),
1226 },
1227 cx,
1228 ) else {
1229 return false;
1230 };
1231 store
1232 .read(cx)
1233 .breakpoint_at_row(&abs_path, as_point.row, cx)
1234 .is_some()
1235 });
1236
1237 if !is_visible {
1238 editor.gutter_breakpoint_indicator.1.get_or_insert_with(|| {
1239 cx.spawn(async move |this, cx| {
1240 cx.background_executor()
1241 .timer(Duration::from_millis(200))
1242 .await;
1243
1244 this.update(cx, |this, cx| {
1245 if let Some(indicator) = this.gutter_breakpoint_indicator.0.as_mut()
1246 {
1247 indicator.is_active = true;
1248 cx.notify();
1249 }
1250 })
1251 .ok();
1252 })
1253 });
1254 }
1255
1256 Some(PhantomBreakpointIndicator {
1257 display_row: valid_point.row(),
1258 is_active: is_visible,
1259 collides_with_existing_breakpoint: has_existing_breakpoint,
1260 })
1261 } else {
1262 editor.gutter_breakpoint_indicator.1 = None;
1263 None
1264 }
1265 } else {
1266 editor.gutter_breakpoint_indicator.1 = None;
1267 None
1268 };
1269
1270 if &breakpoint_indicator != &editor.gutter_breakpoint_indicator.0 {
1271 editor.gutter_breakpoint_indicator.0 = breakpoint_indicator;
1272 cx.notify();
1273 }
1274
1275 // Don't trigger hover popover if mouse is hovering over context menu
1276 if text_hovered {
1277 editor.update_hovered_link(
1278 point_for_position,
1279 &position_map.snapshot,
1280 modifiers,
1281 window,
1282 cx,
1283 );
1284
1285 if let Some(point) = point_for_position.as_valid() {
1286 let anchor = position_map
1287 .snapshot
1288 .buffer_snapshot()
1289 .anchor_before(point.to_offset(&position_map.snapshot, Bias::Left));
1290 hover_at(editor, Some(anchor), window, cx);
1291 Self::update_visible_cursor(editor, point, position_map, window, cx);
1292 } else {
1293 hover_at(editor, None, window, cx);
1294 }
1295 } else {
1296 editor.hide_hovered_link(cx);
1297 hover_at(editor, None, window, cx);
1298 }
1299 }
1300
1301 fn update_visible_cursor(
1302 editor: &mut Editor,
1303 point: DisplayPoint,
1304 position_map: &PositionMap,
1305 window: &mut Window,
1306 cx: &mut Context<Editor>,
1307 ) {
1308 let snapshot = &position_map.snapshot;
1309 let Some(hub) = editor.collaboration_hub() else {
1310 return;
1311 };
1312 let start = snapshot.display_snapshot.clip_point(
1313 DisplayPoint::new(point.row(), point.column().saturating_sub(1)),
1314 Bias::Left,
1315 );
1316 let end = snapshot.display_snapshot.clip_point(
1317 DisplayPoint::new(
1318 point.row(),
1319 (point.column() + 1).min(snapshot.line_len(point.row())),
1320 ),
1321 Bias::Right,
1322 );
1323
1324 let range = snapshot
1325 .buffer_snapshot()
1326 .anchor_before(start.to_point(&snapshot.display_snapshot))
1327 ..snapshot
1328 .buffer_snapshot()
1329 .anchor_after(end.to_point(&snapshot.display_snapshot));
1330
1331 let Some(selection) = snapshot.remote_selections_in_range(&range, hub, cx).next() else {
1332 return;
1333 };
1334 let key = crate::HoveredCursor {
1335 replica_id: selection.replica_id,
1336 selection_id: selection.selection.id,
1337 };
1338 editor.hovered_cursors.insert(
1339 key.clone(),
1340 cx.spawn_in(window, async move |editor, cx| {
1341 cx.background_executor().timer(CURSORS_VISIBLE_FOR).await;
1342 editor
1343 .update(cx, |editor, cx| {
1344 editor.hovered_cursors.remove(&key);
1345 cx.notify();
1346 })
1347 .ok();
1348 }),
1349 );
1350 cx.notify()
1351 }
1352
1353 fn layout_selections(
1354 &self,
1355 start_anchor: Anchor,
1356 end_anchor: Anchor,
1357 local_selections: &[Selection<Point>],
1358 snapshot: &EditorSnapshot,
1359 start_row: DisplayRow,
1360 end_row: DisplayRow,
1361 window: &mut Window,
1362 cx: &mut App,
1363 ) -> (
1364 Vec<(PlayerColor, Vec<SelectionLayout>)>,
1365 BTreeMap<DisplayRow, LineHighlightSpec>,
1366 Option<DisplayPoint>,
1367 ) {
1368 let mut selections: Vec<(PlayerColor, Vec<SelectionLayout>)> = Vec::new();
1369 let mut active_rows = BTreeMap::new();
1370 let mut newest_selection_head = None;
1371
1372 let Some(editor_with_selections) = self.editor_with_selections(cx) else {
1373 return (selections, active_rows, newest_selection_head);
1374 };
1375
1376 editor_with_selections.update(cx, |editor, cx| {
1377 if editor.show_local_selections {
1378 let mut layouts = Vec::new();
1379 let newest = editor.selections.newest(cx);
1380 for selection in local_selections.iter().cloned() {
1381 let is_empty = selection.start == selection.end;
1382 let is_newest = selection == newest;
1383
1384 let layout = SelectionLayout::new(
1385 selection,
1386 editor.selections.line_mode(),
1387 editor.cursor_shape,
1388 &snapshot.display_snapshot,
1389 is_newest,
1390 editor.leader_id.is_none(),
1391 None,
1392 );
1393 if is_newest {
1394 newest_selection_head = Some(layout.head);
1395 }
1396
1397 for row in cmp::max(layout.active_rows.start.0, start_row.0)
1398 ..=cmp::min(layout.active_rows.end.0, end_row.0)
1399 {
1400 let contains_non_empty_selection = active_rows
1401 .entry(DisplayRow(row))
1402 .or_insert_with(LineHighlightSpec::default);
1403 contains_non_empty_selection.selection |= !is_empty;
1404 }
1405 layouts.push(layout);
1406 }
1407
1408 let player = editor.current_user_player_color(cx);
1409 selections.push((player, layouts));
1410
1411 if let SelectionDragState::Dragging {
1412 ref selection,
1413 ref drop_cursor,
1414 ref hide_drop_cursor,
1415 } = editor.selection_drag_state
1416 && !hide_drop_cursor
1417 && (drop_cursor
1418 .start
1419 .cmp(&selection.start, &snapshot.buffer_snapshot())
1420 .eq(&Ordering::Less)
1421 || drop_cursor
1422 .end
1423 .cmp(&selection.end, &snapshot.buffer_snapshot())
1424 .eq(&Ordering::Greater))
1425 {
1426 let drag_cursor_layout = SelectionLayout::new(
1427 drop_cursor.clone(),
1428 false,
1429 CursorShape::Bar,
1430 &snapshot.display_snapshot,
1431 false,
1432 false,
1433 None,
1434 );
1435 let absent_color = cx.theme().players().absent();
1436 selections.push((absent_color, vec![drag_cursor_layout]));
1437 }
1438 }
1439
1440 if let Some(collaboration_hub) = &editor.collaboration_hub {
1441 // When following someone, render the local selections in their color.
1442 if let Some(leader_id) = editor.leader_id {
1443 match leader_id {
1444 CollaboratorId::PeerId(peer_id) => {
1445 if let Some(collaborator) =
1446 collaboration_hub.collaborators(cx).get(&peer_id)
1447 && let Some(participant_index) = collaboration_hub
1448 .user_participant_indices(cx)
1449 .get(&collaborator.user_id)
1450 && let Some((local_selection_style, _)) = selections.first_mut()
1451 {
1452 *local_selection_style = cx
1453 .theme()
1454 .players()
1455 .color_for_participant(participant_index.0);
1456 }
1457 }
1458 CollaboratorId::Agent => {
1459 if let Some((local_selection_style, _)) = selections.first_mut() {
1460 *local_selection_style = cx.theme().players().agent();
1461 }
1462 }
1463 }
1464 }
1465
1466 let mut remote_selections = HashMap::default();
1467 for selection in snapshot.remote_selections_in_range(
1468 &(start_anchor..end_anchor),
1469 collaboration_hub.as_ref(),
1470 cx,
1471 ) {
1472 // Don't re-render the leader's selections, since the local selections
1473 // match theirs.
1474 if Some(selection.collaborator_id) == editor.leader_id {
1475 continue;
1476 }
1477 let key = HoveredCursor {
1478 replica_id: selection.replica_id,
1479 selection_id: selection.selection.id,
1480 };
1481
1482 let is_shown =
1483 editor.show_cursor_names || editor.hovered_cursors.contains_key(&key);
1484
1485 remote_selections
1486 .entry(selection.replica_id)
1487 .or_insert((selection.color, Vec::new()))
1488 .1
1489 .push(SelectionLayout::new(
1490 selection.selection,
1491 selection.line_mode,
1492 selection.cursor_shape,
1493 &snapshot.display_snapshot,
1494 false,
1495 false,
1496 if is_shown { selection.user_name } else { None },
1497 ));
1498 }
1499
1500 selections.extend(remote_selections.into_values());
1501 } else if !editor.is_focused(window) && editor.show_cursor_when_unfocused {
1502 let layouts = snapshot
1503 .buffer_snapshot()
1504 .selections_in_range(&(start_anchor..end_anchor), true)
1505 .map(move |(_, line_mode, cursor_shape, selection)| {
1506 SelectionLayout::new(
1507 selection,
1508 line_mode,
1509 cursor_shape,
1510 &snapshot.display_snapshot,
1511 false,
1512 false,
1513 None,
1514 )
1515 })
1516 .collect::<Vec<_>>();
1517 let player = editor.current_user_player_color(cx);
1518 selections.push((player, layouts));
1519 }
1520 });
1521
1522 #[cfg(debug_assertions)]
1523 Self::layout_debug_ranges(
1524 &mut selections,
1525 start_anchor..end_anchor,
1526 &snapshot.display_snapshot,
1527 cx,
1528 );
1529
1530 (selections, active_rows, newest_selection_head)
1531 }
1532
1533 fn collect_cursors(
1534 &self,
1535 snapshot: &EditorSnapshot,
1536 cx: &mut App,
1537 ) -> Vec<(DisplayPoint, Hsla)> {
1538 let editor = self.editor.read(cx);
1539 let mut cursors = Vec::new();
1540 let mut skip_local = false;
1541 let mut add_cursor = |anchor: Anchor, color| {
1542 cursors.push((anchor.to_display_point(&snapshot.display_snapshot), color));
1543 };
1544 // Remote cursors
1545 if let Some(collaboration_hub) = &editor.collaboration_hub {
1546 for remote_selection in snapshot.remote_selections_in_range(
1547 &(Anchor::min()..Anchor::max()),
1548 collaboration_hub.deref(),
1549 cx,
1550 ) {
1551 add_cursor(
1552 remote_selection.selection.head(),
1553 remote_selection.color.cursor,
1554 );
1555 if Some(remote_selection.collaborator_id) == editor.leader_id {
1556 skip_local = true;
1557 }
1558 }
1559 }
1560 // Local cursors
1561 if !skip_local {
1562 let color = cx.theme().players().local().cursor;
1563 editor
1564 .selections
1565 .disjoint_anchors()
1566 .iter()
1567 .for_each(|selection| {
1568 add_cursor(selection.head(), color);
1569 });
1570 if let Some(ref selection) = editor.selections.pending_anchor() {
1571 add_cursor(selection.head(), color);
1572 }
1573 }
1574 cursors
1575 }
1576
1577 fn layout_visible_cursors(
1578 &self,
1579 snapshot: &EditorSnapshot,
1580 selections: &[(PlayerColor, Vec<SelectionLayout>)],
1581 row_block_types: &HashMap<DisplayRow, bool>,
1582 visible_display_row_range: Range<DisplayRow>,
1583 line_layouts: &[LineWithInvisibles],
1584 text_hitbox: &Hitbox,
1585 content_origin: gpui::Point<Pixels>,
1586 scroll_position: gpui::Point<ScrollOffset>,
1587 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
1588 line_height: Pixels,
1589 em_width: Pixels,
1590 em_advance: Pixels,
1591 autoscroll_containing_element: bool,
1592 window: &mut Window,
1593 cx: &mut App,
1594 ) -> Vec<CursorLayout> {
1595 let mut autoscroll_bounds = None;
1596 let cursor_layouts = self.editor.update(cx, |editor, cx| {
1597 let mut cursors = Vec::new();
1598
1599 let show_local_cursors = editor.show_local_cursors(window, cx);
1600
1601 for (player_color, selections) in selections {
1602 for selection in selections {
1603 let cursor_position = selection.head;
1604
1605 let in_range = visible_display_row_range.contains(&cursor_position.row());
1606 if (selection.is_local && !show_local_cursors)
1607 || !in_range
1608 || row_block_types.get(&cursor_position.row()) == Some(&true)
1609 {
1610 continue;
1611 }
1612
1613 let cursor_row_layout = &line_layouts
1614 [cursor_position.row().minus(visible_display_row_range.start) as usize];
1615 let cursor_column = cursor_position.column() as usize;
1616
1617 let cursor_character_x = cursor_row_layout.x_for_index(cursor_column);
1618 let mut block_width =
1619 cursor_row_layout.x_for_index(cursor_column + 1) - cursor_character_x;
1620 if block_width == Pixels::ZERO {
1621 block_width = em_advance;
1622 }
1623 let block_text = if let CursorShape::Block = selection.cursor_shape {
1624 snapshot
1625 .grapheme_at(cursor_position)
1626 .or_else(|| {
1627 if snapshot.is_empty() {
1628 snapshot.placeholder_text().and_then(|s| {
1629 s.graphemes(true).next().map(|s| s.to_string().into())
1630 })
1631 } else {
1632 None
1633 }
1634 })
1635 .map(|text| {
1636 let len = text.len();
1637
1638 let mut font = cursor_row_layout
1639 .font_id_for_index(cursor_column)
1640 .and_then(|cursor_font_id| {
1641 window.text_system().get_font_for_id(cursor_font_id)
1642 })
1643 .unwrap_or(self.style.text.font());
1644 font.features = self.style.text.font_features.clone();
1645
1646 // Invert the text color for the block cursor. Ensure that the text
1647 // color is opaque enough to be visible against the background color.
1648 //
1649 // 0.75 is an arbitrary threshold to determine if the background color is
1650 // opaque enough to use as a text color.
1651 //
1652 // TODO: In the future we should ensure themes have a `text_inverse` color.
1653 let color = if cx.theme().colors().editor_background.a < 0.75 {
1654 match cx.theme().appearance {
1655 Appearance::Dark => Hsla::black(),
1656 Appearance::Light => Hsla::white(),
1657 }
1658 } else {
1659 cx.theme().colors().editor_background
1660 };
1661
1662 window.text_system().shape_line(
1663 text,
1664 cursor_row_layout.font_size,
1665 &[TextRun {
1666 len,
1667 font,
1668 color,
1669 background_color: None,
1670 strikethrough: None,
1671 underline: None,
1672 }],
1673 None,
1674 )
1675 })
1676 } else {
1677 None
1678 };
1679
1680 let x = cursor_character_x - scroll_pixel_position.x.into();
1681 let y = ((cursor_position.row().as_f64() - scroll_position.y)
1682 * ScrollPixelOffset::from(line_height))
1683 .into();
1684 if selection.is_newest {
1685 editor.pixel_position_of_newest_cursor = Some(point(
1686 text_hitbox.origin.x + x + block_width / 2.,
1687 text_hitbox.origin.y + y + line_height / 2.,
1688 ));
1689
1690 if autoscroll_containing_element {
1691 let top = text_hitbox.origin.y
1692 + ((cursor_position.row().as_f64() - scroll_position.y - 3.)
1693 .max(0.)
1694 * ScrollPixelOffset::from(line_height))
1695 .into();
1696 let left = text_hitbox.origin.x
1697 + ((cursor_position.column() as ScrollOffset
1698 - scroll_position.x
1699 - 3.)
1700 .max(0.)
1701 * ScrollPixelOffset::from(em_width))
1702 .into();
1703
1704 let bottom = text_hitbox.origin.y
1705 + ((cursor_position.row().as_f64() - scroll_position.y + 4.)
1706 * ScrollPixelOffset::from(line_height))
1707 .into();
1708 let right = text_hitbox.origin.x
1709 + ((cursor_position.column() as ScrollOffset - scroll_position.x
1710 + 4.)
1711 * ScrollPixelOffset::from(em_width))
1712 .into();
1713
1714 autoscroll_bounds =
1715 Some(Bounds::from_corners(point(left, top), point(right, bottom)))
1716 }
1717 }
1718
1719 let mut cursor = CursorLayout {
1720 color: player_color.cursor,
1721 block_width,
1722 origin: point(x, y),
1723 line_height,
1724 shape: selection.cursor_shape,
1725 block_text,
1726 cursor_name: None,
1727 };
1728 let cursor_name = selection.user_name.clone().map(|name| CursorName {
1729 string: name,
1730 color: self.style.background,
1731 is_top_row: cursor_position.row().0 == 0,
1732 });
1733 cursor.layout(content_origin, cursor_name, window, cx);
1734 cursors.push(cursor);
1735 }
1736 }
1737
1738 cursors
1739 });
1740
1741 if let Some(bounds) = autoscroll_bounds {
1742 window.request_autoscroll(bounds);
1743 }
1744
1745 cursor_layouts
1746 }
1747
1748 fn layout_scrollbars(
1749 &self,
1750 snapshot: &EditorSnapshot,
1751 scrollbar_layout_information: &ScrollbarLayoutInformation,
1752 content_offset: gpui::Point<Pixels>,
1753 scroll_position: gpui::Point<ScrollOffset>,
1754 non_visible_cursors: bool,
1755 right_margin: Pixels,
1756 editor_width: Pixels,
1757 window: &mut Window,
1758 cx: &mut App,
1759 ) -> Option<EditorScrollbars> {
1760 let show_scrollbars = self.editor.read(cx).show_scrollbars;
1761 if (!show_scrollbars.horizontal && !show_scrollbars.vertical)
1762 || self.style.scrollbar_width.is_zero()
1763 {
1764 return None;
1765 }
1766
1767 // If a drag took place after we started dragging the scrollbar,
1768 // cancel the scrollbar drag.
1769 if cx.has_active_drag() {
1770 self.editor.update(cx, |editor, cx| {
1771 editor.scroll_manager.reset_scrollbar_state(cx)
1772 });
1773 }
1774
1775 let editor_settings = EditorSettings::get_global(cx);
1776 let scrollbar_settings = editor_settings.scrollbar;
1777 let show_scrollbars = match scrollbar_settings.show {
1778 ShowScrollbar::Auto => {
1779 let editor = self.editor.read(cx);
1780 let is_singleton = editor.buffer_kind(cx) == ItemBufferKind::Singleton;
1781 // Git
1782 (is_singleton && scrollbar_settings.git_diff && snapshot.buffer_snapshot().has_diff_hunks())
1783 ||
1784 // Buffer Search Results
1785 (is_singleton && scrollbar_settings.search_results && editor.has_background_highlights::<BufferSearchHighlights>())
1786 ||
1787 // Selected Text Occurrences
1788 (is_singleton && scrollbar_settings.selected_text && editor.has_background_highlights::<SelectedTextHighlight>())
1789 ||
1790 // Selected Symbol Occurrences
1791 (is_singleton && scrollbar_settings.selected_symbol && (editor.has_background_highlights::<DocumentHighlightRead>() || editor.has_background_highlights::<DocumentHighlightWrite>()))
1792 ||
1793 // Diagnostics
1794 (is_singleton && scrollbar_settings.diagnostics != ScrollbarDiagnostics::None && snapshot.buffer_snapshot().has_diagnostics())
1795 ||
1796 // Cursors out of sight
1797 non_visible_cursors
1798 ||
1799 // Scrollmanager
1800 editor.scroll_manager.scrollbars_visible()
1801 }
1802 ShowScrollbar::System => self.editor.read(cx).scroll_manager.scrollbars_visible(),
1803 ShowScrollbar::Always => true,
1804 ShowScrollbar::Never => return None,
1805 };
1806
1807 // The horizontal scrollbar is usually slightly offset to align nicely with
1808 // indent guides. However, this offset is not needed if indent guides are
1809 // disabled for the current editor.
1810 let content_offset = self
1811 .editor
1812 .read(cx)
1813 .show_indent_guides
1814 .is_none_or(|should_show| should_show)
1815 .then_some(content_offset)
1816 .unwrap_or_default();
1817
1818 Some(EditorScrollbars::from_scrollbar_axes(
1819 ScrollbarAxes {
1820 horizontal: scrollbar_settings.axes.horizontal
1821 && self.editor.read(cx).show_scrollbars.horizontal,
1822 vertical: scrollbar_settings.axes.vertical
1823 && self.editor.read(cx).show_scrollbars.vertical,
1824 },
1825 scrollbar_layout_information,
1826 content_offset,
1827 scroll_position,
1828 self.style.scrollbar_width,
1829 right_margin,
1830 editor_width,
1831 show_scrollbars,
1832 self.editor.read(cx).scroll_manager.active_scrollbar_state(),
1833 window,
1834 ))
1835 }
1836
1837 fn layout_minimap(
1838 &self,
1839 snapshot: &EditorSnapshot,
1840 minimap_width: Pixels,
1841 scroll_position: gpui::Point<f64>,
1842 scrollbar_layout_information: &ScrollbarLayoutInformation,
1843 scrollbar_layout: Option<&EditorScrollbars>,
1844 window: &mut Window,
1845 cx: &mut App,
1846 ) -> Option<MinimapLayout> {
1847 let minimap_editor = self.editor.read(cx).minimap().cloned()?;
1848
1849 let minimap_settings = EditorSettings::get_global(cx).minimap;
1850
1851 if minimap_settings.on_active_editor() {
1852 let active_editor = self.editor.read(cx).workspace().and_then(|ws| {
1853 ws.read(cx)
1854 .active_pane()
1855 .read(cx)
1856 .active_item()
1857 .and_then(|i| i.act_as::<Editor>(cx))
1858 });
1859 if active_editor.is_some_and(|e| e != self.editor) {
1860 return None;
1861 }
1862 }
1863
1864 if !snapshot.mode.is_full()
1865 || minimap_width.is_zero()
1866 || matches!(
1867 minimap_settings.show,
1868 ShowMinimap::Auto if scrollbar_layout.is_none_or(|layout| !layout.visible)
1869 )
1870 {
1871 return None;
1872 }
1873
1874 const MINIMAP_AXIS: ScrollbarAxis = ScrollbarAxis::Vertical;
1875
1876 let ScrollbarLayoutInformation {
1877 editor_bounds,
1878 scroll_range,
1879 glyph_grid_cell,
1880 } = scrollbar_layout_information;
1881
1882 let line_height = glyph_grid_cell.height;
1883 let scroll_position = scroll_position.along(MINIMAP_AXIS);
1884
1885 let top_right_anchor = scrollbar_layout
1886 .and_then(|layout| layout.vertical.as_ref())
1887 .map(|vertical_scrollbar| vertical_scrollbar.hitbox.origin)
1888 .unwrap_or_else(|| editor_bounds.top_right());
1889
1890 let thumb_state = self
1891 .editor
1892 .read_with(cx, |editor, _| editor.scroll_manager.minimap_thumb_state());
1893
1894 let show_thumb = match minimap_settings.thumb {
1895 MinimapThumb::Always => true,
1896 MinimapThumb::Hover => thumb_state.is_some(),
1897 };
1898
1899 let minimap_bounds = Bounds::from_corner_and_size(
1900 Corner::TopRight,
1901 top_right_anchor,
1902 size(minimap_width, editor_bounds.size.height),
1903 );
1904 let minimap_line_height = self.get_minimap_line_height(
1905 minimap_editor
1906 .read(cx)
1907 .text_style_refinement
1908 .as_ref()
1909 .and_then(|refinement| refinement.font_size)
1910 .unwrap_or(MINIMAP_FONT_SIZE),
1911 window,
1912 cx,
1913 );
1914 let minimap_height = minimap_bounds.size.height;
1915
1916 let visible_editor_lines = (editor_bounds.size.height / line_height) as f64;
1917 let total_editor_lines = (scroll_range.height / line_height) as f64;
1918 let minimap_lines = (minimap_height / minimap_line_height) as f64;
1919
1920 let minimap_scroll_top = MinimapLayout::calculate_minimap_top_offset(
1921 total_editor_lines,
1922 visible_editor_lines,
1923 minimap_lines,
1924 scroll_position,
1925 );
1926
1927 let layout = ScrollbarLayout::for_minimap(
1928 window.insert_hitbox(minimap_bounds, HitboxBehavior::Normal),
1929 visible_editor_lines,
1930 total_editor_lines,
1931 minimap_line_height,
1932 scroll_position,
1933 minimap_scroll_top,
1934 show_thumb,
1935 )
1936 .with_thumb_state(thumb_state);
1937
1938 minimap_editor.update(cx, |editor, cx| {
1939 editor.set_scroll_position(point(0., minimap_scroll_top), window, cx)
1940 });
1941
1942 // Required for the drop shadow to be visible
1943 const PADDING_OFFSET: Pixels = px(4.);
1944
1945 let mut minimap = div()
1946 .size_full()
1947 .shadow_xs()
1948 .px(PADDING_OFFSET)
1949 .child(minimap_editor)
1950 .into_any_element();
1951
1952 let extended_bounds = minimap_bounds.extend(Edges {
1953 right: PADDING_OFFSET,
1954 left: PADDING_OFFSET,
1955 ..Default::default()
1956 });
1957 minimap.layout_as_root(extended_bounds.size.into(), window, cx);
1958 window.with_absolute_element_offset(extended_bounds.origin, |window| {
1959 minimap.prepaint(window, cx)
1960 });
1961
1962 Some(MinimapLayout {
1963 minimap,
1964 thumb_layout: layout,
1965 thumb_border_style: minimap_settings.thumb_border,
1966 minimap_line_height,
1967 minimap_scroll_top,
1968 max_scroll_top: total_editor_lines,
1969 })
1970 }
1971
1972 fn get_minimap_line_height(
1973 &self,
1974 font_size: AbsoluteLength,
1975 window: &mut Window,
1976 cx: &mut App,
1977 ) -> Pixels {
1978 let rem_size = self.rem_size(cx).unwrap_or(window.rem_size());
1979 let mut text_style = self.style.text.clone();
1980 text_style.font_size = font_size;
1981 text_style.line_height_in_pixels(rem_size)
1982 }
1983
1984 fn get_minimap_width(
1985 &self,
1986 minimap_settings: &Minimap,
1987 scrollbars_shown: bool,
1988 text_width: Pixels,
1989 em_width: Pixels,
1990 font_size: Pixels,
1991 rem_size: Pixels,
1992 cx: &App,
1993 ) -> Option<Pixels> {
1994 if minimap_settings.show == ShowMinimap::Auto && !scrollbars_shown {
1995 return None;
1996 }
1997
1998 let minimap_font_size = self.editor.read_with(cx, |editor, cx| {
1999 editor.minimap().map(|minimap_editor| {
2000 minimap_editor
2001 .read(cx)
2002 .text_style_refinement
2003 .as_ref()
2004 .and_then(|refinement| refinement.font_size)
2005 .unwrap_or(MINIMAP_FONT_SIZE)
2006 })
2007 })?;
2008
2009 let minimap_em_width = em_width * (minimap_font_size.to_pixels(rem_size) / font_size);
2010
2011 let minimap_width = (text_width * MinimapLayout::MINIMAP_WIDTH_PCT)
2012 .min(minimap_em_width * minimap_settings.max_width_columns.get() as f32);
2013
2014 (minimap_width >= minimap_em_width * MinimapLayout::MINIMAP_MIN_WIDTH_COLUMNS)
2015 .then_some(minimap_width)
2016 }
2017
2018 fn prepaint_crease_toggles(
2019 &self,
2020 crease_toggles: &mut [Option<AnyElement>],
2021 line_height: Pixels,
2022 gutter_dimensions: &GutterDimensions,
2023 gutter_settings: crate::editor_settings::Gutter,
2024 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2025 gutter_hitbox: &Hitbox,
2026 window: &mut Window,
2027 cx: &mut App,
2028 ) {
2029 for (ix, crease_toggle) in crease_toggles.iter_mut().enumerate() {
2030 if let Some(crease_toggle) = crease_toggle {
2031 debug_assert!(gutter_settings.folds);
2032 let available_space = size(
2033 AvailableSpace::MinContent,
2034 AvailableSpace::Definite(line_height * 0.55),
2035 );
2036 let crease_toggle_size = crease_toggle.layout_as_root(available_space, window, cx);
2037
2038 let position = point(
2039 gutter_dimensions.width - gutter_dimensions.right_padding,
2040 ix as f32 * line_height
2041 - (scroll_pixel_position.y % ScrollPixelOffset::from(line_height)).into(),
2042 );
2043 let centering_offset = point(
2044 (gutter_dimensions.fold_area_width() - crease_toggle_size.width) / 2.,
2045 (line_height - crease_toggle_size.height) / 2.,
2046 );
2047 let origin = gutter_hitbox.origin + position + centering_offset;
2048 crease_toggle.prepaint_as_root(origin, available_space, window, cx);
2049 }
2050 }
2051 }
2052
2053 fn prepaint_expand_toggles(
2054 &self,
2055 expand_toggles: &mut [Option<(AnyElement, gpui::Point<Pixels>)>],
2056 window: &mut Window,
2057 cx: &mut App,
2058 ) {
2059 for (expand_toggle, origin) in expand_toggles.iter_mut().flatten() {
2060 let available_space = size(AvailableSpace::MinContent, AvailableSpace::MinContent);
2061 expand_toggle.layout_as_root(available_space, window, cx);
2062 expand_toggle.prepaint_as_root(*origin, available_space, window, cx);
2063 }
2064 }
2065
2066 fn prepaint_crease_trailers(
2067 &self,
2068 trailers: Vec<Option<AnyElement>>,
2069 lines: &[LineWithInvisibles],
2070 line_height: Pixels,
2071 content_origin: gpui::Point<Pixels>,
2072 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2073 em_width: Pixels,
2074 window: &mut Window,
2075 cx: &mut App,
2076 ) -> Vec<Option<CreaseTrailerLayout>> {
2077 trailers
2078 .into_iter()
2079 .enumerate()
2080 .map(|(ix, element)| {
2081 let mut element = element?;
2082 let available_space = size(
2083 AvailableSpace::MinContent,
2084 AvailableSpace::Definite(line_height),
2085 );
2086 let size = element.layout_as_root(available_space, window, cx);
2087
2088 let line = &lines[ix];
2089 let padding = if line.width == Pixels::ZERO {
2090 Pixels::ZERO
2091 } else {
2092 4. * em_width
2093 };
2094 let position = point(
2095 Pixels::from(scroll_pixel_position.x) + line.width + padding,
2096 ix as f32 * line_height
2097 - (scroll_pixel_position.y % ScrollPixelOffset::from(line_height)).into(),
2098 );
2099 let centering_offset = point(px(0.), (line_height - size.height) / 2.);
2100 let origin = content_origin + position + centering_offset;
2101 element.prepaint_as_root(origin, available_space, window, cx);
2102 Some(CreaseTrailerLayout {
2103 element,
2104 bounds: Bounds::new(origin, size),
2105 })
2106 })
2107 .collect()
2108 }
2109
2110 // Folds contained in a hunk are ignored apart from shrinking visual size
2111 // If a fold contains any hunks then that fold line is marked as modified
2112 fn layout_gutter_diff_hunks(
2113 &self,
2114 line_height: Pixels,
2115 gutter_hitbox: &Hitbox,
2116 display_rows: Range<DisplayRow>,
2117 snapshot: &EditorSnapshot,
2118 window: &mut Window,
2119 cx: &mut App,
2120 ) -> Vec<(DisplayDiffHunk, Option<Hitbox>)> {
2121 let folded_buffers = self.editor.read(cx).folded_buffers(cx);
2122 let mut display_hunks = snapshot
2123 .display_diff_hunks_for_rows(display_rows, folded_buffers)
2124 .map(|hunk| (hunk, None))
2125 .collect::<Vec<_>>();
2126 let git_gutter_setting = ProjectSettings::get_global(cx).git.git_gutter;
2127 if let GitGutterSetting::TrackedFiles = git_gutter_setting {
2128 for (hunk, hitbox) in &mut display_hunks {
2129 if matches!(hunk, DisplayDiffHunk::Unfolded { .. }) {
2130 let hunk_bounds =
2131 Self::diff_hunk_bounds(snapshot, line_height, gutter_hitbox.bounds, hunk);
2132 *hitbox = Some(window.insert_hitbox(hunk_bounds, HitboxBehavior::BlockMouse));
2133 }
2134 }
2135 }
2136
2137 display_hunks
2138 }
2139
2140 fn layout_inline_diagnostics(
2141 &self,
2142 line_layouts: &[LineWithInvisibles],
2143 crease_trailers: &[Option<CreaseTrailerLayout>],
2144 row_block_types: &HashMap<DisplayRow, bool>,
2145 content_origin: gpui::Point<Pixels>,
2146 scroll_position: gpui::Point<ScrollOffset>,
2147 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2148 edit_prediction_popover_origin: Option<gpui::Point<Pixels>>,
2149 start_row: DisplayRow,
2150 end_row: DisplayRow,
2151 line_height: Pixels,
2152 em_width: Pixels,
2153 style: &EditorStyle,
2154 window: &mut Window,
2155 cx: &mut App,
2156 ) -> HashMap<DisplayRow, AnyElement> {
2157 let max_severity = match self
2158 .editor
2159 .read(cx)
2160 .inline_diagnostics_enabled()
2161 .then(|| {
2162 ProjectSettings::get_global(cx)
2163 .diagnostics
2164 .inline
2165 .max_severity
2166 .unwrap_or_else(|| self.editor.read(cx).diagnostics_max_severity)
2167 .into_lsp()
2168 })
2169 .flatten()
2170 {
2171 Some(max_severity) => max_severity,
2172 None => return HashMap::default(),
2173 };
2174
2175 let active_diagnostics_group =
2176 if let ActiveDiagnostic::Group(group) = &self.editor.read(cx).active_diagnostics {
2177 Some(group.group_id)
2178 } else {
2179 None
2180 };
2181
2182 let diagnostics_by_rows = self.editor.update(cx, |editor, cx| {
2183 let snapshot = editor.snapshot(window, cx);
2184 editor
2185 .inline_diagnostics
2186 .iter()
2187 .filter(|(_, diagnostic)| diagnostic.severity <= max_severity)
2188 .filter(|(_, diagnostic)| match active_diagnostics_group {
2189 Some(active_diagnostics_group) => {
2190 // Active diagnostics are all shown in the editor already, no need to display them inline
2191 diagnostic.group_id != active_diagnostics_group
2192 }
2193 None => true,
2194 })
2195 .map(|(point, diag)| (point.to_display_point(&snapshot), diag.clone()))
2196 .skip_while(|(point, _)| point.row() < start_row)
2197 .take_while(|(point, _)| point.row() < end_row)
2198 .filter(|(point, _)| !row_block_types.contains_key(&point.row()))
2199 .fold(HashMap::default(), |mut acc, (point, diagnostic)| {
2200 acc.entry(point.row())
2201 .or_insert_with(Vec::new)
2202 .push(diagnostic);
2203 acc
2204 })
2205 });
2206
2207 if diagnostics_by_rows.is_empty() {
2208 return HashMap::default();
2209 }
2210
2211 let severity_to_color = |sev: &lsp::DiagnosticSeverity| match sev {
2212 &lsp::DiagnosticSeverity::ERROR => Color::Error,
2213 &lsp::DiagnosticSeverity::WARNING => Color::Warning,
2214 &lsp::DiagnosticSeverity::INFORMATION => Color::Info,
2215 &lsp::DiagnosticSeverity::HINT => Color::Hint,
2216 _ => Color::Error,
2217 };
2218
2219 let padding = ProjectSettings::get_global(cx).diagnostics.inline.padding as f32 * em_width;
2220 let min_x = self.column_pixels(
2221 ProjectSettings::get_global(cx)
2222 .diagnostics
2223 .inline
2224 .min_column as usize,
2225 window,
2226 );
2227
2228 let mut elements = HashMap::default();
2229 for (row, mut diagnostics) in diagnostics_by_rows {
2230 diagnostics.sort_by_key(|diagnostic| {
2231 (
2232 diagnostic.severity,
2233 std::cmp::Reverse(diagnostic.is_primary),
2234 diagnostic.start.row,
2235 diagnostic.start.column,
2236 )
2237 });
2238
2239 let Some(diagnostic_to_render) = diagnostics
2240 .iter()
2241 .find(|diagnostic| diagnostic.is_primary)
2242 .or_else(|| diagnostics.first())
2243 else {
2244 continue;
2245 };
2246
2247 let pos_y = content_origin.y + line_height * (row.0 as f64 - scroll_position.y) as f32;
2248
2249 let window_ix = row.0.saturating_sub(start_row.0) as usize;
2250 let pos_x = {
2251 let crease_trailer_layout = &crease_trailers[window_ix];
2252 let line_layout = &line_layouts[window_ix];
2253
2254 let line_end = if let Some(crease_trailer) = crease_trailer_layout {
2255 crease_trailer.bounds.right()
2256 } else {
2257 Pixels::from(
2258 ScrollPixelOffset::from(content_origin.x + line_layout.width)
2259 - scroll_pixel_position.x,
2260 )
2261 };
2262
2263 let padded_line = line_end + padding;
2264 let min_start = Pixels::from(
2265 ScrollPixelOffset::from(content_origin.x + min_x) - scroll_pixel_position.x,
2266 );
2267
2268 cmp::max(padded_line, min_start)
2269 };
2270
2271 let behind_edit_prediction_popover = edit_prediction_popover_origin
2272 .as_ref()
2273 .is_some_and(|edit_prediction_popover_origin| {
2274 (pos_y..pos_y + line_height).contains(&edit_prediction_popover_origin.y)
2275 });
2276 let opacity = if behind_edit_prediction_popover {
2277 0.5
2278 } else {
2279 1.0
2280 };
2281
2282 let mut element = h_flex()
2283 .id(("diagnostic", row.0))
2284 .h(line_height)
2285 .w_full()
2286 .px_1()
2287 .rounded_xs()
2288 .opacity(opacity)
2289 .bg(severity_to_color(&diagnostic_to_render.severity)
2290 .color(cx)
2291 .opacity(0.05))
2292 .text_color(severity_to_color(&diagnostic_to_render.severity).color(cx))
2293 .text_sm()
2294 .font_family(style.text.font().family)
2295 .child(diagnostic_to_render.message.clone())
2296 .into_any();
2297
2298 element.prepaint_as_root(point(pos_x, pos_y), AvailableSpace::min_size(), window, cx);
2299
2300 elements.insert(row, element);
2301 }
2302
2303 elements
2304 }
2305
2306 fn layout_inline_code_actions(
2307 &self,
2308 display_point: DisplayPoint,
2309 content_origin: gpui::Point<Pixels>,
2310 scroll_position: gpui::Point<ScrollOffset>,
2311 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2312 line_height: Pixels,
2313 snapshot: &EditorSnapshot,
2314 window: &mut Window,
2315 cx: &mut App,
2316 ) -> Option<AnyElement> {
2317 if !snapshot
2318 .show_code_actions
2319 .unwrap_or(EditorSettings::get_global(cx).inline_code_actions)
2320 {
2321 return None;
2322 }
2323
2324 let icon_size = ui::IconSize::XSmall;
2325 let mut button = self.editor.update(cx, |editor, cx| {
2326 editor.available_code_actions.as_ref()?;
2327 let active = editor
2328 .context_menu
2329 .borrow()
2330 .as_ref()
2331 .and_then(|menu| {
2332 if let crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2333 deployed_from,
2334 ..
2335 }) = menu
2336 {
2337 deployed_from.as_ref()
2338 } else {
2339 None
2340 }
2341 })
2342 .is_some_and(|source| matches!(source, CodeActionSource::Indicator(..)));
2343 Some(editor.render_inline_code_actions(icon_size, display_point.row(), active, cx))
2344 })?;
2345
2346 let buffer_point = display_point.to_point(&snapshot.display_snapshot);
2347
2348 // do not show code action for folded line
2349 if snapshot.is_line_folded(MultiBufferRow(buffer_point.row)) {
2350 return None;
2351 }
2352
2353 // do not show code action for blank line with cursor
2354 let line_indent = snapshot
2355 .display_snapshot
2356 .buffer_snapshot()
2357 .line_indent_for_row(MultiBufferRow(buffer_point.row));
2358 if line_indent.is_line_blank() {
2359 return None;
2360 }
2361
2362 const INLINE_SLOT_CHAR_LIMIT: u32 = 4;
2363 const MAX_ALTERNATE_DISTANCE: u32 = 8;
2364
2365 let excerpt_id = snapshot
2366 .display_snapshot
2367 .buffer_snapshot()
2368 .excerpt_containing(buffer_point..buffer_point)
2369 .map(|excerpt| excerpt.id());
2370
2371 let is_valid_row = |row_candidate: u32| -> bool {
2372 // move to other row if folded row
2373 if snapshot.is_line_folded(MultiBufferRow(row_candidate)) {
2374 return false;
2375 }
2376 if buffer_point.row == row_candidate {
2377 // move to other row if cursor is in slot
2378 if buffer_point.column < INLINE_SLOT_CHAR_LIMIT {
2379 return false;
2380 }
2381 } else {
2382 let candidate_point = MultiBufferPoint {
2383 row: row_candidate,
2384 column: 0,
2385 };
2386 let candidate_excerpt_id = snapshot
2387 .display_snapshot
2388 .buffer_snapshot()
2389 .excerpt_containing(candidate_point..candidate_point)
2390 .map(|excerpt| excerpt.id());
2391 // move to other row if different excerpt
2392 if excerpt_id != candidate_excerpt_id {
2393 return false;
2394 }
2395 }
2396 let line_indent = snapshot
2397 .display_snapshot
2398 .buffer_snapshot()
2399 .line_indent_for_row(MultiBufferRow(row_candidate));
2400 // use this row if it's blank
2401 if line_indent.is_line_blank() {
2402 true
2403 } else {
2404 // use this row if code starts after slot
2405 let indent_size = snapshot
2406 .display_snapshot
2407 .buffer_snapshot()
2408 .indent_size_for_line(MultiBufferRow(row_candidate));
2409 indent_size.len >= INLINE_SLOT_CHAR_LIMIT
2410 }
2411 };
2412
2413 let new_buffer_row = if is_valid_row(buffer_point.row) {
2414 Some(buffer_point.row)
2415 } else {
2416 let max_row = snapshot.display_snapshot.buffer_snapshot().max_point().row;
2417 (1..=MAX_ALTERNATE_DISTANCE).find_map(|offset| {
2418 let row_above = buffer_point.row.saturating_sub(offset);
2419 let row_below = buffer_point.row + offset;
2420 if row_above != buffer_point.row && is_valid_row(row_above) {
2421 Some(row_above)
2422 } else if row_below <= max_row && is_valid_row(row_below) {
2423 Some(row_below)
2424 } else {
2425 None
2426 }
2427 })
2428 }?;
2429
2430 let new_display_row = snapshot
2431 .display_snapshot
2432 .point_to_display_point(
2433 Point {
2434 row: new_buffer_row,
2435 column: buffer_point.column,
2436 },
2437 text::Bias::Left,
2438 )
2439 .row();
2440
2441 let start_y = content_origin.y
2442 + (((new_display_row.as_f64() - scroll_position.y) as f32) * line_height)
2443 + (line_height / 2.0)
2444 - (icon_size.square(window, cx) / 2.);
2445 let start_x = (ScrollPixelOffset::from(content_origin.x) - scroll_pixel_position.x
2446 + ScrollPixelOffset::from(window.rem_size() * 0.1))
2447 .into();
2448
2449 let absolute_offset = gpui::point(start_x, start_y);
2450 button.layout_as_root(gpui::AvailableSpace::min_size(), window, cx);
2451 button.prepaint_as_root(
2452 absolute_offset,
2453 gpui::AvailableSpace::min_size(),
2454 window,
2455 cx,
2456 );
2457 Some(button)
2458 }
2459
2460 fn layout_inline_blame(
2461 &self,
2462 display_row: DisplayRow,
2463 row_info: &RowInfo,
2464 line_layout: &LineWithInvisibles,
2465 crease_trailer: Option<&CreaseTrailerLayout>,
2466 em_width: Pixels,
2467 content_origin: gpui::Point<Pixels>,
2468 scroll_position: gpui::Point<ScrollOffset>,
2469 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2470 line_height: Pixels,
2471 text_hitbox: &Hitbox,
2472 window: &mut Window,
2473 cx: &mut App,
2474 ) -> Option<InlineBlameLayout> {
2475 if !self
2476 .editor
2477 .update(cx, |editor, cx| editor.render_git_blame_inline(window, cx))
2478 {
2479 return None;
2480 }
2481
2482 let editor = self.editor.read(cx);
2483 let blame = editor.blame.clone()?;
2484 let padding = {
2485 const INLINE_ACCEPT_SUGGESTION_EM_WIDTHS: f32 = 14.;
2486
2487 let mut padding = ProjectSettings::get_global(cx).git.inline_blame.padding as f32;
2488
2489 if let Some(edit_prediction) = editor.active_edit_prediction.as_ref()
2490 && let EditPrediction::Edit {
2491 display_mode: EditDisplayMode::TabAccept,
2492 ..
2493 } = &edit_prediction.completion
2494 {
2495 padding += INLINE_ACCEPT_SUGGESTION_EM_WIDTHS
2496 }
2497
2498 padding * em_width
2499 };
2500
2501 let (buffer_id, entry) = blame
2502 .update(cx, |blame, cx| {
2503 blame.blame_for_rows(&[*row_info], cx).next()
2504 })
2505 .flatten()?;
2506
2507 let mut element = render_inline_blame_entry(entry.clone(), &self.style, cx)?;
2508
2509 let start_y =
2510 content_origin.y + line_height * ((display_row.as_f64() - scroll_position.y) as f32);
2511
2512 let start_x = {
2513 let line_end = if let Some(crease_trailer) = crease_trailer {
2514 crease_trailer.bounds.right()
2515 } else {
2516 Pixels::from(
2517 ScrollPixelOffset::from(content_origin.x + line_layout.width)
2518 - scroll_pixel_position.x,
2519 )
2520 };
2521
2522 let padded_line_end = line_end + padding;
2523
2524 let min_column_in_pixels = self.column_pixels(
2525 ProjectSettings::get_global(cx).git.inline_blame.min_column as usize,
2526 window,
2527 );
2528 let min_start = Pixels::from(
2529 ScrollPixelOffset::from(content_origin.x + min_column_in_pixels)
2530 - scroll_pixel_position.x,
2531 );
2532
2533 cmp::max(padded_line_end, min_start)
2534 };
2535
2536 let absolute_offset = point(start_x, start_y);
2537 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2538 let bounds = Bounds::new(absolute_offset, size);
2539
2540 self.layout_blame_entry_popover(
2541 entry.clone(),
2542 blame,
2543 line_height,
2544 text_hitbox,
2545 row_info.buffer_id?,
2546 window,
2547 cx,
2548 );
2549
2550 element.prepaint_as_root(absolute_offset, AvailableSpace::min_size(), window, cx);
2551
2552 Some(InlineBlameLayout {
2553 element,
2554 bounds,
2555 buffer_id,
2556 entry,
2557 })
2558 }
2559
2560 fn layout_blame_entry_popover(
2561 &self,
2562 blame_entry: BlameEntry,
2563 blame: Entity<GitBlame>,
2564 line_height: Pixels,
2565 text_hitbox: &Hitbox,
2566 buffer: BufferId,
2567 window: &mut Window,
2568 cx: &mut App,
2569 ) {
2570 let Some((popover_state, target_point)) = self.editor.read_with(cx, |editor, _| {
2571 editor
2572 .inline_blame_popover
2573 .as_ref()
2574 .map(|state| (state.popover_state.clone(), state.position))
2575 }) else {
2576 return;
2577 };
2578
2579 let workspace = self
2580 .editor
2581 .read_with(cx, |editor, _| editor.workspace().map(|w| w.downgrade()));
2582
2583 let maybe_element = workspace.and_then(|workspace| {
2584 render_blame_entry_popover(
2585 blame_entry,
2586 popover_state.scroll_handle,
2587 popover_state.commit_message,
2588 popover_state.markdown,
2589 workspace,
2590 &blame,
2591 buffer,
2592 window,
2593 cx,
2594 )
2595 });
2596
2597 if let Some(mut element) = maybe_element {
2598 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2599 let overall_height = size.height + HOVER_POPOVER_GAP;
2600 let popover_origin = if target_point.y > overall_height {
2601 point(target_point.x, target_point.y - size.height)
2602 } else {
2603 point(
2604 target_point.x,
2605 target_point.y + line_height + HOVER_POPOVER_GAP,
2606 )
2607 };
2608
2609 let horizontal_offset = (text_hitbox.top_right().x
2610 - POPOVER_RIGHT_OFFSET
2611 - (popover_origin.x + size.width))
2612 .min(Pixels::ZERO);
2613
2614 let origin = point(popover_origin.x + horizontal_offset, popover_origin.y);
2615 let popover_bounds = Bounds::new(origin, size);
2616
2617 self.editor.update(cx, |editor, _| {
2618 if let Some(state) = &mut editor.inline_blame_popover {
2619 state.popover_bounds = Some(popover_bounds);
2620 }
2621 });
2622
2623 window.defer_draw(element, origin, 2);
2624 }
2625 }
2626
2627 fn layout_blame_entries(
2628 &self,
2629 buffer_rows: &[RowInfo],
2630 em_width: Pixels,
2631 scroll_position: gpui::Point<ScrollOffset>,
2632 line_height: Pixels,
2633 gutter_hitbox: &Hitbox,
2634 max_width: Option<Pixels>,
2635 window: &mut Window,
2636 cx: &mut App,
2637 ) -> Option<Vec<AnyElement>> {
2638 if !self
2639 .editor
2640 .update(cx, |editor, cx| editor.render_git_blame_gutter(cx))
2641 {
2642 return None;
2643 }
2644
2645 let blame = self.editor.read(cx).blame.clone()?;
2646 let workspace = self.editor.read(cx).workspace()?;
2647 let blamed_rows: Vec<_> = blame.update(cx, |blame, cx| {
2648 blame.blame_for_rows(buffer_rows, cx).collect()
2649 });
2650
2651 let width = if let Some(max_width) = max_width {
2652 AvailableSpace::Definite(max_width)
2653 } else {
2654 AvailableSpace::MaxContent
2655 };
2656 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
2657 let start_x = em_width;
2658
2659 let mut last_used_color: Option<(Hsla, Oid)> = None;
2660 let blame_renderer = cx.global::<GlobalBlameRenderer>().0.clone();
2661
2662 let shaped_lines = blamed_rows
2663 .into_iter()
2664 .enumerate()
2665 .flat_map(|(ix, blame_entry)| {
2666 let (buffer_id, blame_entry) = blame_entry?;
2667 let mut element = render_blame_entry(
2668 ix,
2669 &blame,
2670 blame_entry,
2671 &self.style,
2672 &mut last_used_color,
2673 self.editor.clone(),
2674 workspace.clone(),
2675 buffer_id,
2676 &*blame_renderer,
2677 window,
2678 cx,
2679 )?;
2680
2681 let start_y = ix as f32 * line_height
2682 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height));
2683 let absolute_offset = gutter_hitbox.origin + point(start_x, start_y);
2684
2685 element.prepaint_as_root(
2686 absolute_offset,
2687 size(width, AvailableSpace::MinContent),
2688 window,
2689 cx,
2690 );
2691
2692 Some(element)
2693 })
2694 .collect();
2695
2696 Some(shaped_lines)
2697 }
2698
2699 fn layout_indent_guides(
2700 &self,
2701 content_origin: gpui::Point<Pixels>,
2702 text_origin: gpui::Point<Pixels>,
2703 visible_buffer_range: Range<MultiBufferRow>,
2704 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2705 line_height: Pixels,
2706 snapshot: &DisplaySnapshot,
2707 window: &mut Window,
2708 cx: &mut App,
2709 ) -> Option<Vec<IndentGuideLayout>> {
2710 let indent_guides = self.editor.update(cx, |editor, cx| {
2711 editor.indent_guides(visible_buffer_range, snapshot, cx)
2712 })?;
2713
2714 let active_indent_guide_indices = self.editor.update(cx, |editor, cx| {
2715 editor
2716 .find_active_indent_guide_indices(&indent_guides, snapshot, window, cx)
2717 .unwrap_or_default()
2718 });
2719
2720 Some(
2721 indent_guides
2722 .into_iter()
2723 .enumerate()
2724 .filter_map(|(i, indent_guide)| {
2725 let single_indent_width =
2726 self.column_pixels(indent_guide.tab_size as usize, window);
2727 let total_width = single_indent_width * indent_guide.depth as f32;
2728 let start_x = Pixels::from(
2729 ScrollOffset::from(content_origin.x + total_width)
2730 - scroll_pixel_position.x,
2731 );
2732 if start_x >= text_origin.x {
2733 let (offset_y, length) = Self::calculate_indent_guide_bounds(
2734 indent_guide.start_row..indent_guide.end_row,
2735 line_height,
2736 snapshot,
2737 );
2738
2739 let start_y = Pixels::from(
2740 ScrollOffset::from(content_origin.y) + offset_y
2741 - scroll_pixel_position.y,
2742 );
2743
2744 Some(IndentGuideLayout {
2745 origin: point(start_x, start_y),
2746 length,
2747 single_indent_width,
2748 depth: indent_guide.depth,
2749 active: active_indent_guide_indices.contains(&i),
2750 settings: indent_guide.settings,
2751 })
2752 } else {
2753 None
2754 }
2755 })
2756 .collect(),
2757 )
2758 }
2759
2760 fn layout_wrap_guides(
2761 &self,
2762 em_advance: Pixels,
2763 scroll_position: gpui::Point<f64>,
2764 content_origin: gpui::Point<Pixels>,
2765 scrollbar_layout: Option<&EditorScrollbars>,
2766 vertical_scrollbar_width: Pixels,
2767 hitbox: &Hitbox,
2768 window: &Window,
2769 cx: &App,
2770 ) -> SmallVec<[(Pixels, bool); 2]> {
2771 let scroll_left = scroll_position.x as f32 * em_advance;
2772 let content_origin = content_origin.x;
2773 let horizontal_offset = content_origin - scroll_left;
2774 let vertical_scrollbar_width = scrollbar_layout
2775 .and_then(|layout| layout.visible.then_some(vertical_scrollbar_width))
2776 .unwrap_or_default();
2777
2778 self.editor
2779 .read(cx)
2780 .wrap_guides(cx)
2781 .into_iter()
2782 .flat_map(|(guide, active)| {
2783 let wrap_position = self.column_pixels(guide, window);
2784 let wrap_guide_x = wrap_position + horizontal_offset;
2785 let display_wrap_guide = wrap_guide_x >= content_origin
2786 && wrap_guide_x <= hitbox.bounds.right() - vertical_scrollbar_width;
2787
2788 display_wrap_guide.then_some((wrap_guide_x, active))
2789 })
2790 .collect()
2791 }
2792
2793 fn calculate_indent_guide_bounds(
2794 row_range: Range<MultiBufferRow>,
2795 line_height: Pixels,
2796 snapshot: &DisplaySnapshot,
2797 ) -> (f64, gpui::Pixels) {
2798 let start_point = Point::new(row_range.start.0, 0);
2799 let end_point = Point::new(row_range.end.0, 0);
2800
2801 let row_range = start_point.to_display_point(snapshot).row()
2802 ..end_point.to_display_point(snapshot).row();
2803
2804 let mut prev_line = start_point;
2805 prev_line.row = prev_line.row.saturating_sub(1);
2806 let prev_line = prev_line.to_display_point(snapshot).row();
2807
2808 let mut cons_line = end_point;
2809 cons_line.row += 1;
2810 let cons_line = cons_line.to_display_point(snapshot).row();
2811
2812 let mut offset_y = row_range.start.as_f64() * f64::from(line_height);
2813 let mut length = (cons_line.0.saturating_sub(row_range.start.0)) as f32 * line_height;
2814
2815 // If we are at the end of the buffer, ensure that the indent guide extends to the end of the line.
2816 if row_range.end == cons_line {
2817 length += line_height;
2818 }
2819
2820 // If there is a block (e.g. diagnostic) in between the start of the indent guide and the line above,
2821 // we want to extend the indent guide to the start of the block.
2822 let mut block_height = 0;
2823 let mut block_offset = 0;
2824 let mut found_excerpt_header = false;
2825 for (_, block) in snapshot.blocks_in_range(prev_line..row_range.start) {
2826 if matches!(
2827 block,
2828 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
2829 ) {
2830 found_excerpt_header = true;
2831 break;
2832 }
2833 block_offset += block.height();
2834 block_height += block.height();
2835 }
2836 if !found_excerpt_header {
2837 offset_y -= block_offset as f64 * f64::from(line_height);
2838 length += block_height as f32 * line_height;
2839 }
2840
2841 // If there is a block (e.g. diagnostic) at the end of an multibuffer excerpt,
2842 // we want to ensure that the indent guide stops before the excerpt header.
2843 let mut block_height = 0;
2844 let mut found_excerpt_header = false;
2845 for (_, block) in snapshot.blocks_in_range(row_range.end..cons_line) {
2846 if matches!(
2847 block,
2848 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
2849 ) {
2850 found_excerpt_header = true;
2851 }
2852 block_height += block.height();
2853 }
2854 if found_excerpt_header {
2855 length -= block_height as f32 * line_height;
2856 }
2857
2858 (offset_y, length)
2859 }
2860
2861 fn layout_breakpoints(
2862 &self,
2863 line_height: Pixels,
2864 range: Range<DisplayRow>,
2865 scroll_position: gpui::Point<ScrollOffset>,
2866 gutter_dimensions: &GutterDimensions,
2867 gutter_hitbox: &Hitbox,
2868 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2869 snapshot: &EditorSnapshot,
2870 breakpoints: HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2871 row_infos: &[RowInfo],
2872 window: &mut Window,
2873 cx: &mut App,
2874 ) -> Vec<AnyElement> {
2875 self.editor.update(cx, |editor, cx| {
2876 breakpoints
2877 .into_iter()
2878 .filter_map(|(display_row, (text_anchor, bp, state))| {
2879 if row_infos
2880 .get((display_row.0.saturating_sub(range.start.0)) as usize)
2881 .is_some_and(|row_info| {
2882 row_info.expand_info.is_some()
2883 || row_info
2884 .diff_status
2885 .is_some_and(|status| status.is_deleted())
2886 })
2887 {
2888 return None;
2889 }
2890
2891 if range.start > display_row || range.end < display_row {
2892 return None;
2893 }
2894
2895 let row =
2896 MultiBufferRow(DisplayPoint::new(display_row, 0).to_point(snapshot).row);
2897 if snapshot.is_line_folded(row) {
2898 return None;
2899 }
2900
2901 let button = editor.render_breakpoint(text_anchor, display_row, &bp, state, cx);
2902
2903 let button = prepaint_gutter_button(
2904 button,
2905 display_row,
2906 line_height,
2907 gutter_dimensions,
2908 scroll_position,
2909 gutter_hitbox,
2910 display_hunks,
2911 window,
2912 cx,
2913 );
2914 Some(button)
2915 })
2916 .collect_vec()
2917 })
2918 }
2919
2920 #[allow(clippy::too_many_arguments)]
2921 fn layout_run_indicators(
2922 &self,
2923 line_height: Pixels,
2924 range: Range<DisplayRow>,
2925 row_infos: &[RowInfo],
2926 scroll_position: gpui::Point<ScrollOffset>,
2927 gutter_dimensions: &GutterDimensions,
2928 gutter_hitbox: &Hitbox,
2929 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2930 snapshot: &EditorSnapshot,
2931 breakpoints: &mut HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2932 window: &mut Window,
2933 cx: &mut App,
2934 ) -> Vec<AnyElement> {
2935 self.editor.update(cx, |editor, cx| {
2936 let active_task_indicator_row =
2937 // TODO: add edit button on the right side of each row in the context menu
2938 if let Some(crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2939 deployed_from,
2940 actions,
2941 ..
2942 })) = editor.context_menu.borrow().as_ref()
2943 {
2944 actions
2945 .tasks()
2946 .map(|tasks| tasks.position.to_display_point(snapshot).row())
2947 .or_else(|| match deployed_from {
2948 Some(CodeActionSource::Indicator(row)) => Some(*row),
2949 _ => None,
2950 })
2951 } else {
2952 None
2953 };
2954
2955 let offset_range_start =
2956 snapshot.display_point_to_point(DisplayPoint::new(range.start, 0), Bias::Left);
2957
2958 let offset_range_end =
2959 snapshot.display_point_to_point(DisplayPoint::new(range.end, 0), Bias::Right);
2960
2961 editor
2962 .tasks
2963 .iter()
2964 .filter_map(|(_, tasks)| {
2965 let multibuffer_point = tasks.offset.to_point(&snapshot.buffer_snapshot());
2966 if multibuffer_point < offset_range_start
2967 || multibuffer_point > offset_range_end
2968 {
2969 return None;
2970 }
2971 let multibuffer_row = MultiBufferRow(multibuffer_point.row);
2972 let buffer_folded = snapshot
2973 .buffer_snapshot()
2974 .buffer_line_for_row(multibuffer_row)
2975 .map(|(buffer_snapshot, _)| buffer_snapshot.remote_id())
2976 .map(|buffer_id| editor.is_buffer_folded(buffer_id, cx))
2977 .unwrap_or(false);
2978 if buffer_folded {
2979 return None;
2980 }
2981
2982 if snapshot.is_line_folded(multibuffer_row) {
2983 // Skip folded indicators, unless it's the starting line of a fold.
2984 if multibuffer_row
2985 .0
2986 .checked_sub(1)
2987 .is_some_and(|previous_row| {
2988 snapshot.is_line_folded(MultiBufferRow(previous_row))
2989 })
2990 {
2991 return None;
2992 }
2993 }
2994
2995 let display_row = multibuffer_point.to_display_point(snapshot).row();
2996 if !range.contains(&display_row) {
2997 return None;
2998 }
2999 if row_infos
3000 .get((display_row - range.start).0 as usize)
3001 .is_some_and(|row_info| row_info.expand_info.is_some())
3002 {
3003 return None;
3004 }
3005
3006 let button = editor.render_run_indicator(
3007 &self.style,
3008 Some(display_row) == active_task_indicator_row,
3009 display_row,
3010 breakpoints.remove(&display_row),
3011 cx,
3012 );
3013
3014 let button = prepaint_gutter_button(
3015 button,
3016 display_row,
3017 line_height,
3018 gutter_dimensions,
3019 scroll_position,
3020 gutter_hitbox,
3021 display_hunks,
3022 window,
3023 cx,
3024 );
3025 Some(button)
3026 })
3027 .collect_vec()
3028 })
3029 }
3030
3031 fn layout_expand_toggles(
3032 &self,
3033 gutter_hitbox: &Hitbox,
3034 gutter_dimensions: GutterDimensions,
3035 em_width: Pixels,
3036 line_height: Pixels,
3037 scroll_position: gpui::Point<ScrollOffset>,
3038 buffer_rows: &[RowInfo],
3039 window: &mut Window,
3040 cx: &mut App,
3041 ) -> Vec<Option<(AnyElement, gpui::Point<Pixels>)>> {
3042 if self.editor.read(cx).disable_expand_excerpt_buttons {
3043 return vec![];
3044 }
3045
3046 let editor_font_size = self.style.text.font_size.to_pixels(window.rem_size()) * 1.2;
3047
3048 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
3049
3050 let max_line_number_length = self
3051 .editor
3052 .read(cx)
3053 .buffer()
3054 .read(cx)
3055 .snapshot(cx)
3056 .widest_line_number()
3057 .ilog10()
3058 + 1;
3059
3060 let git_gutter_width = Self::gutter_strip_width(line_height)
3061 + gutter_dimensions
3062 .git_blame_entries_width
3063 .unwrap_or_default();
3064 let available_width = gutter_dimensions.left_padding - git_gutter_width;
3065
3066 buffer_rows
3067 .iter()
3068 .enumerate()
3069 .map(|(ix, row_info)| {
3070 let ExpandInfo {
3071 excerpt_id,
3072 direction,
3073 } = row_info.expand_info?;
3074
3075 let icon_name = match direction {
3076 ExpandExcerptDirection::Up => IconName::ExpandUp,
3077 ExpandExcerptDirection::Down => IconName::ExpandDown,
3078 ExpandExcerptDirection::UpAndDown => IconName::ExpandVertical,
3079 };
3080
3081 let editor = self.editor.clone();
3082 let is_wide = max_line_number_length
3083 >= EditorSettings::get_global(cx).gutter.min_line_number_digits as u32
3084 && row_info
3085 .buffer_row
3086 .is_some_and(|row| (row + 1).ilog10() + 1 == max_line_number_length)
3087 || gutter_dimensions.right_padding == px(0.);
3088
3089 let width = if is_wide {
3090 available_width - px(2.)
3091 } else {
3092 available_width + em_width - px(2.)
3093 };
3094
3095 let toggle = IconButton::new(("expand", ix), icon_name)
3096 .icon_color(Color::Custom(cx.theme().colors().editor_line_number))
3097 .selected_icon_color(Color::Custom(cx.theme().colors().editor_foreground))
3098 .icon_size(IconSize::Custom(rems(editor_font_size / window.rem_size())))
3099 .width(width)
3100 .on_click(move |_, window, cx| {
3101 editor.update(cx, |editor, cx| {
3102 editor.expand_excerpt(excerpt_id, direction, window, cx);
3103 });
3104 })
3105 .tooltip(Tooltip::for_action_title(
3106 "Expand Excerpt",
3107 &crate::actions::ExpandExcerpts::default(),
3108 ))
3109 .into_any_element();
3110
3111 let position = point(
3112 git_gutter_width + px(1.),
3113 ix as f32 * line_height
3114 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height))
3115 + px(1.),
3116 );
3117 let origin = gutter_hitbox.origin + position;
3118
3119 Some((toggle, origin))
3120 })
3121 .collect()
3122 }
3123
3124 fn calculate_relative_line_numbers(
3125 &self,
3126 snapshot: &EditorSnapshot,
3127 rows: &Range<DisplayRow>,
3128 relative_to: Option<DisplayRow>,
3129 ) -> HashMap<DisplayRow, DisplayRowDelta> {
3130 let mut relative_rows: HashMap<DisplayRow, DisplayRowDelta> = Default::default();
3131 let Some(relative_to) = relative_to else {
3132 return relative_rows;
3133 };
3134
3135 let start = rows.start.min(relative_to);
3136 let end = rows.end.max(relative_to);
3137
3138 let buffer_rows = snapshot
3139 .row_infos(start)
3140 .take(1 + end.minus(start) as usize)
3141 .collect::<Vec<_>>();
3142
3143 let head_idx = relative_to.minus(start);
3144 let mut delta = 1;
3145 let mut i = head_idx + 1;
3146 while i < buffer_rows.len() as u32 {
3147 if buffer_rows[i as usize].buffer_row.is_some() {
3148 if rows.contains(&DisplayRow(i + start.0)) {
3149 relative_rows.insert(DisplayRow(i + start.0), delta);
3150 }
3151 delta += 1;
3152 }
3153 i += 1;
3154 }
3155 delta = 1;
3156 i = head_idx.min(buffer_rows.len() as u32 - 1);
3157 while i > 0 && buffer_rows[i as usize].buffer_row.is_none() {
3158 i -= 1;
3159 }
3160
3161 while i > 0 {
3162 i -= 1;
3163 if buffer_rows[i as usize].buffer_row.is_some() {
3164 if rows.contains(&DisplayRow(i + start.0)) {
3165 relative_rows.insert(DisplayRow(i + start.0), delta);
3166 }
3167 delta += 1;
3168 }
3169 }
3170
3171 relative_rows
3172 }
3173
3174 fn layout_line_numbers(
3175 &self,
3176 gutter_hitbox: Option<&Hitbox>,
3177 gutter_dimensions: GutterDimensions,
3178 line_height: Pixels,
3179 scroll_position: gpui::Point<ScrollOffset>,
3180 rows: Range<DisplayRow>,
3181 buffer_rows: &[RowInfo],
3182 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3183 newest_selection_head: Option<DisplayPoint>,
3184 snapshot: &EditorSnapshot,
3185 window: &mut Window,
3186 cx: &mut App,
3187 ) -> Arc<HashMap<MultiBufferRow, LineNumberLayout>> {
3188 let include_line_numbers = snapshot
3189 .show_line_numbers
3190 .unwrap_or_else(|| EditorSettings::get_global(cx).gutter.line_numbers);
3191 if !include_line_numbers {
3192 return Arc::default();
3193 }
3194
3195 let (newest_selection_head, is_relative) = self.editor.update(cx, |editor, cx| {
3196 let newest_selection_head = newest_selection_head.unwrap_or_else(|| {
3197 let newest = editor.selections.newest::<Point>(cx);
3198 SelectionLayout::new(
3199 newest,
3200 editor.selections.line_mode(),
3201 editor.cursor_shape,
3202 &snapshot.display_snapshot,
3203 true,
3204 true,
3205 None,
3206 )
3207 .head
3208 });
3209 let is_relative = editor.should_use_relative_line_numbers(cx);
3210 (newest_selection_head, is_relative)
3211 });
3212
3213 let relative_to = if is_relative {
3214 Some(newest_selection_head.row())
3215 } else {
3216 None
3217 };
3218 let relative_rows = self.calculate_relative_line_numbers(snapshot, &rows, relative_to);
3219 let mut line_number = String::new();
3220 let line_numbers = buffer_rows
3221 .iter()
3222 .enumerate()
3223 .flat_map(|(ix, row_info)| {
3224 let display_row = DisplayRow(rows.start.0 + ix as u32);
3225 line_number.clear();
3226 let non_relative_number = row_info.buffer_row? + 1;
3227 let number = relative_rows
3228 .get(&display_row)
3229 .unwrap_or(&non_relative_number);
3230 write!(&mut line_number, "{number}").unwrap();
3231 if row_info
3232 .diff_status
3233 .is_some_and(|status| status.is_deleted())
3234 {
3235 return None;
3236 }
3237
3238 let color = active_rows
3239 .get(&display_row)
3240 .map(|spec| {
3241 if spec.breakpoint {
3242 cx.theme().colors().debugger_accent
3243 } else {
3244 cx.theme().colors().editor_active_line_number
3245 }
3246 })
3247 .unwrap_or_else(|| cx.theme().colors().editor_line_number);
3248 let shaped_line =
3249 self.shape_line_number(SharedString::from(&line_number), color, window);
3250 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
3251 let line_origin = gutter_hitbox.map(|hitbox| {
3252 hitbox.origin
3253 + point(
3254 hitbox.size.width - shaped_line.width - gutter_dimensions.right_padding,
3255 ix as f32 * line_height
3256 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height)),
3257 )
3258 });
3259
3260 #[cfg(not(test))]
3261 let hitbox = line_origin.map(|line_origin| {
3262 window.insert_hitbox(
3263 Bounds::new(line_origin, size(shaped_line.width, line_height)),
3264 HitboxBehavior::Normal,
3265 )
3266 });
3267 #[cfg(test)]
3268 let hitbox = {
3269 let _ = line_origin;
3270 None
3271 };
3272
3273 let multi_buffer_row = DisplayPoint::new(display_row, 0).to_point(snapshot).row;
3274 let multi_buffer_row = MultiBufferRow(multi_buffer_row);
3275 let line_number = LineNumberLayout {
3276 shaped_line,
3277 hitbox,
3278 };
3279 Some((multi_buffer_row, line_number))
3280 })
3281 .collect();
3282 Arc::new(line_numbers)
3283 }
3284
3285 fn layout_crease_toggles(
3286 &self,
3287 rows: Range<DisplayRow>,
3288 row_infos: &[RowInfo],
3289 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3290 snapshot: &EditorSnapshot,
3291 window: &mut Window,
3292 cx: &mut App,
3293 ) -> Vec<Option<AnyElement>> {
3294 let include_fold_statuses = EditorSettings::get_global(cx).gutter.folds
3295 && snapshot.mode.is_full()
3296 && self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
3297 if include_fold_statuses {
3298 row_infos
3299 .iter()
3300 .enumerate()
3301 .map(|(ix, info)| {
3302 if info.expand_info.is_some() {
3303 return None;
3304 }
3305 let row = info.multibuffer_row?;
3306 let display_row = DisplayRow(rows.start.0 + ix as u32);
3307 let active = active_rows.contains_key(&display_row);
3308
3309 snapshot.render_crease_toggle(row, active, self.editor.clone(), window, cx)
3310 })
3311 .collect()
3312 } else {
3313 Vec::new()
3314 }
3315 }
3316
3317 fn layout_crease_trailers(
3318 &self,
3319 buffer_rows: impl IntoIterator<Item = RowInfo>,
3320 snapshot: &EditorSnapshot,
3321 window: &mut Window,
3322 cx: &mut App,
3323 ) -> Vec<Option<AnyElement>> {
3324 buffer_rows
3325 .into_iter()
3326 .map(|row_info| {
3327 if row_info.expand_info.is_some() {
3328 return None;
3329 }
3330 if let Some(row) = row_info.multibuffer_row {
3331 snapshot.render_crease_trailer(row, window, cx)
3332 } else {
3333 None
3334 }
3335 })
3336 .collect()
3337 }
3338
3339 fn bg_segments_per_row(
3340 rows: Range<DisplayRow>,
3341 selections: &[(PlayerColor, Vec<SelectionLayout>)],
3342 highlight_ranges: &[(Range<DisplayPoint>, Hsla)],
3343 base_background: Hsla,
3344 ) -> Vec<Vec<(Range<DisplayPoint>, Hsla)>> {
3345 if rows.start >= rows.end {
3346 return Vec::new();
3347 }
3348 if !base_background.is_opaque() {
3349 // We don't actually know what color is behind this editor.
3350 return Vec::new();
3351 }
3352 let highlight_iter = highlight_ranges.iter().cloned();
3353 let selection_iter = selections.iter().flat_map(|(player_color, layouts)| {
3354 let color = player_color.selection;
3355 layouts.iter().filter_map(move |selection_layout| {
3356 if selection_layout.range.start != selection_layout.range.end {
3357 Some((selection_layout.range.clone(), color))
3358 } else {
3359 None
3360 }
3361 })
3362 });
3363 let mut per_row_map = vec![Vec::new(); rows.len()];
3364 for (range, color) in highlight_iter.chain(selection_iter) {
3365 let covered_rows = if range.end.column() == 0 {
3366 cmp::max(range.start.row(), rows.start)..cmp::min(range.end.row(), rows.end)
3367 } else {
3368 cmp::max(range.start.row(), rows.start)
3369 ..cmp::min(range.end.row().next_row(), rows.end)
3370 };
3371 for row in covered_rows.iter_rows() {
3372 let seg_start = if row == range.start.row() {
3373 range.start
3374 } else {
3375 DisplayPoint::new(row, 0)
3376 };
3377 let seg_end = if row == range.end.row() && range.end.column() != 0 {
3378 range.end
3379 } else {
3380 DisplayPoint::new(row, u32::MAX)
3381 };
3382 let ix = row.minus(rows.start) as usize;
3383 debug_assert!(row >= rows.start && row < rows.end);
3384 debug_assert!(ix < per_row_map.len());
3385 per_row_map[ix].push((seg_start..seg_end, color));
3386 }
3387 }
3388 for row_segments in per_row_map.iter_mut() {
3389 if row_segments.is_empty() {
3390 continue;
3391 }
3392 let segments = mem::take(row_segments);
3393 let merged = Self::merge_overlapping_ranges(segments, base_background);
3394 *row_segments = merged;
3395 }
3396 per_row_map
3397 }
3398
3399 /// Merge overlapping ranges by splitting at all range boundaries and blending colors where
3400 /// multiple ranges overlap. The result contains non-overlapping ranges ordered from left to right.
3401 ///
3402 /// Expects `start.row() == end.row()` for each range.
3403 fn merge_overlapping_ranges(
3404 ranges: Vec<(Range<DisplayPoint>, Hsla)>,
3405 base_background: Hsla,
3406 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
3407 struct Boundary {
3408 pos: DisplayPoint,
3409 is_start: bool,
3410 index: usize,
3411 color: Hsla,
3412 }
3413
3414 let mut boundaries: SmallVec<[Boundary; 16]> = SmallVec::with_capacity(ranges.len() * 2);
3415 for (index, (range, color)) in ranges.iter().enumerate() {
3416 debug_assert!(
3417 range.start.row() == range.end.row(),
3418 "expects single-row ranges"
3419 );
3420 if range.start < range.end {
3421 boundaries.push(Boundary {
3422 pos: range.start,
3423 is_start: true,
3424 index,
3425 color: *color,
3426 });
3427 boundaries.push(Boundary {
3428 pos: range.end,
3429 is_start: false,
3430 index,
3431 color: *color,
3432 });
3433 }
3434 }
3435
3436 if boundaries.is_empty() {
3437 return Vec::new();
3438 }
3439
3440 boundaries
3441 .sort_unstable_by(|a, b| a.pos.cmp(&b.pos).then_with(|| a.is_start.cmp(&b.is_start)));
3442
3443 let mut processed_ranges: Vec<(Range<DisplayPoint>, Hsla)> = Vec::new();
3444 let mut active_ranges: SmallVec<[(usize, Hsla); 8]> = SmallVec::new();
3445
3446 let mut i = 0;
3447 let mut start_pos = boundaries[0].pos;
3448
3449 let boundaries_len = boundaries.len();
3450 while i < boundaries_len {
3451 let current_boundary_pos = boundaries[i].pos;
3452 if start_pos < current_boundary_pos {
3453 if !active_ranges.is_empty() {
3454 let mut color = base_background;
3455 for &(_, c) in &active_ranges {
3456 color = Hsla::blend(color, c);
3457 }
3458 if let Some((last_range, last_color)) = processed_ranges.last_mut() {
3459 if *last_color == color && last_range.end == start_pos {
3460 last_range.end = current_boundary_pos;
3461 } else {
3462 processed_ranges.push((start_pos..current_boundary_pos, color));
3463 }
3464 } else {
3465 processed_ranges.push((start_pos..current_boundary_pos, color));
3466 }
3467 }
3468 }
3469 while i < boundaries_len && boundaries[i].pos == current_boundary_pos {
3470 let active_range = &boundaries[i];
3471 if active_range.is_start {
3472 let idx = active_range.index;
3473 let pos = active_ranges
3474 .binary_search_by_key(&idx, |(i, _)| *i)
3475 .unwrap_or_else(|p| p);
3476 active_ranges.insert(pos, (idx, active_range.color));
3477 } else {
3478 let idx = active_range.index;
3479 if let Ok(pos) = active_ranges.binary_search_by_key(&idx, |(i, _)| *i) {
3480 active_ranges.remove(pos);
3481 }
3482 }
3483 i += 1;
3484 }
3485 start_pos = current_boundary_pos;
3486 }
3487
3488 processed_ranges
3489 }
3490
3491 fn layout_lines(
3492 rows: Range<DisplayRow>,
3493 snapshot: &EditorSnapshot,
3494 style: &EditorStyle,
3495 editor_width: Pixels,
3496 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3497 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
3498 window: &mut Window,
3499 cx: &mut App,
3500 ) -> Vec<LineWithInvisibles> {
3501 if rows.start >= rows.end {
3502 return Vec::new();
3503 }
3504
3505 // Show the placeholder when the editor is empty
3506 if snapshot.is_empty() {
3507 let font_size = style.text.font_size.to_pixels(window.rem_size());
3508 let placeholder_color = cx.theme().colors().text_placeholder;
3509 let placeholder_text = snapshot.placeholder_text();
3510
3511 let placeholder_lines = placeholder_text
3512 .as_ref()
3513 .map_or(Vec::new(), |text| text.split('\n').collect::<Vec<_>>());
3514
3515 let placeholder_line_count = placeholder_lines.len();
3516
3517 placeholder_lines
3518 .into_iter()
3519 .skip(rows.start.0 as usize)
3520 .chain(iter::repeat(""))
3521 .take(cmp::max(rows.len(), placeholder_line_count))
3522 .map(move |line| {
3523 let run = TextRun {
3524 len: line.len(),
3525 font: style.text.font(),
3526 color: placeholder_color,
3527 background_color: None,
3528 underline: None,
3529 strikethrough: None,
3530 };
3531 let line = window.text_system().shape_line(
3532 line.to_string().into(),
3533 font_size,
3534 &[run],
3535 None,
3536 );
3537 LineWithInvisibles {
3538 width: line.width,
3539 len: line.len,
3540 fragments: smallvec![LineFragment::Text(line)],
3541 invisibles: Vec::new(),
3542 font_size,
3543 }
3544 })
3545 .collect()
3546 } else {
3547 let chunks = snapshot.highlighted_chunks(rows.clone(), true, style);
3548 LineWithInvisibles::from_chunks(
3549 chunks,
3550 style,
3551 MAX_LINE_LEN,
3552 rows.len(),
3553 &snapshot.mode,
3554 editor_width,
3555 is_row_soft_wrapped,
3556 bg_segments_per_row,
3557 window,
3558 cx,
3559 )
3560 }
3561 }
3562
3563 fn prepaint_lines(
3564 &self,
3565 start_row: DisplayRow,
3566 line_layouts: &mut [LineWithInvisibles],
3567 line_height: Pixels,
3568 scroll_position: gpui::Point<ScrollOffset>,
3569 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
3570 content_origin: gpui::Point<Pixels>,
3571 window: &mut Window,
3572 cx: &mut App,
3573 ) -> SmallVec<[AnyElement; 1]> {
3574 let mut line_elements = SmallVec::new();
3575 for (ix, line) in line_layouts.iter_mut().enumerate() {
3576 let row = start_row + DisplayRow(ix as u32);
3577 line.prepaint(
3578 line_height,
3579 scroll_position,
3580 scroll_pixel_position,
3581 row,
3582 content_origin,
3583 &mut line_elements,
3584 window,
3585 cx,
3586 );
3587 }
3588 line_elements
3589 }
3590
3591 fn render_block(
3592 &self,
3593 block: &Block,
3594 available_width: AvailableSpace,
3595 block_id: BlockId,
3596 block_row_start: DisplayRow,
3597 snapshot: &EditorSnapshot,
3598 text_x: Pixels,
3599 rows: &Range<DisplayRow>,
3600 line_layouts: &[LineWithInvisibles],
3601 editor_margins: &EditorMargins,
3602 line_height: Pixels,
3603 em_width: Pixels,
3604 text_hitbox: &Hitbox,
3605 editor_width: Pixels,
3606 scroll_width: &mut Pixels,
3607 resized_blocks: &mut HashMap<CustomBlockId, u32>,
3608 row_block_types: &mut HashMap<DisplayRow, bool>,
3609 selections: &[Selection<Point>],
3610 selected_buffer_ids: &Vec<BufferId>,
3611 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3612 sticky_header_excerpt_id: Option<ExcerptId>,
3613 window: &mut Window,
3614 cx: &mut App,
3615 ) -> Option<(AnyElement, Size<Pixels>, DisplayRow, Pixels)> {
3616 let mut x_position = None;
3617 let mut element = match block {
3618 Block::Custom(custom) => {
3619 let block_start = custom.start().to_point(&snapshot.buffer_snapshot());
3620 let block_end = custom.end().to_point(&snapshot.buffer_snapshot());
3621 if block.place_near() && snapshot.is_line_folded(MultiBufferRow(block_start.row)) {
3622 return None;
3623 }
3624 let align_to = block_start.to_display_point(snapshot);
3625 let x_and_width = |layout: &LineWithInvisibles| {
3626 Some((
3627 text_x + layout.x_for_index(align_to.column() as usize),
3628 text_x + layout.width,
3629 ))
3630 };
3631 let line_ix = align_to.row().0.checked_sub(rows.start.0);
3632 x_position =
3633 if let Some(layout) = line_ix.and_then(|ix| line_layouts.get(ix as usize)) {
3634 x_and_width(layout)
3635 } else {
3636 x_and_width(&layout_line(
3637 align_to.row(),
3638 snapshot,
3639 &self.style,
3640 editor_width,
3641 is_row_soft_wrapped,
3642 window,
3643 cx,
3644 ))
3645 };
3646
3647 let anchor_x = x_position.unwrap().0;
3648
3649 let selected = selections
3650 .binary_search_by(|selection| {
3651 if selection.end <= block_start {
3652 Ordering::Less
3653 } else if selection.start >= block_end {
3654 Ordering::Greater
3655 } else {
3656 Ordering::Equal
3657 }
3658 })
3659 .is_ok();
3660
3661 div()
3662 .size_full()
3663 .child(custom.render(&mut BlockContext {
3664 window,
3665 app: cx,
3666 anchor_x,
3667 margins: editor_margins,
3668 line_height,
3669 em_width,
3670 block_id,
3671 selected,
3672 max_width: text_hitbox.size.width.max(*scroll_width),
3673 editor_style: &self.style,
3674 }))
3675 .into_any()
3676 }
3677
3678 Block::FoldedBuffer {
3679 first_excerpt,
3680 height,
3681 ..
3682 } => {
3683 let selected = selected_buffer_ids.contains(&first_excerpt.buffer_id);
3684 let result = v_flex().id(block_id).w_full().pr(editor_margins.right);
3685
3686 let jump_data = header_jump_data(snapshot, block_row_start, *height, first_excerpt);
3687 result
3688 .child(self.render_buffer_header(
3689 first_excerpt,
3690 true,
3691 selected,
3692 false,
3693 jump_data,
3694 window,
3695 cx,
3696 ))
3697 .into_any_element()
3698 }
3699
3700 Block::ExcerptBoundary { .. } => {
3701 let color = cx.theme().colors().clone();
3702 let mut result = v_flex().id(block_id).w_full();
3703
3704 result = result.child(
3705 h_flex().relative().child(
3706 div()
3707 .top(line_height / 2.)
3708 .absolute()
3709 .w_full()
3710 .h_px()
3711 .bg(color.border_variant),
3712 ),
3713 );
3714
3715 result.into_any()
3716 }
3717
3718 Block::BufferHeader { excerpt, height } => {
3719 let mut result = v_flex().id(block_id).w_full();
3720
3721 let jump_data = header_jump_data(snapshot, block_row_start, *height, excerpt);
3722
3723 if sticky_header_excerpt_id != Some(excerpt.id) {
3724 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
3725
3726 result = result.child(div().pr(editor_margins.right).child(
3727 self.render_buffer_header(
3728 excerpt, false, selected, false, jump_data, window, cx,
3729 ),
3730 ));
3731 } else {
3732 result =
3733 result.child(div().h(FILE_HEADER_HEIGHT as f32 * window.line_height()));
3734 }
3735
3736 result.into_any()
3737 }
3738 };
3739
3740 // Discover the element's content height, then round up to the nearest multiple of line height.
3741 let preliminary_size = element.layout_as_root(
3742 size(available_width, AvailableSpace::MinContent),
3743 window,
3744 cx,
3745 );
3746 let quantized_height = (preliminary_size.height / line_height).ceil() * line_height;
3747 let final_size = if preliminary_size.height == quantized_height {
3748 preliminary_size
3749 } else {
3750 element.layout_as_root(size(available_width, quantized_height.into()), window, cx)
3751 };
3752 let mut element_height_in_lines = ((final_size.height / line_height).ceil() as u32).max(1);
3753
3754 let mut row = block_row_start;
3755 let mut x_offset = px(0.);
3756 let mut is_block = true;
3757
3758 if let BlockId::Custom(custom_block_id) = block_id
3759 && block.has_height()
3760 {
3761 if block.place_near()
3762 && let Some((x_target, line_width)) = x_position
3763 {
3764 let margin = em_width * 2;
3765 if line_width + final_size.width + margin
3766 < editor_width + editor_margins.gutter.full_width()
3767 && !row_block_types.contains_key(&(row - 1))
3768 && element_height_in_lines == 1
3769 {
3770 x_offset = line_width + margin;
3771 row = row - 1;
3772 is_block = false;
3773 element_height_in_lines = 0;
3774 row_block_types.insert(row, is_block);
3775 } else {
3776 let max_offset =
3777 editor_width + editor_margins.gutter.full_width() - final_size.width;
3778 let min_offset = (x_target + em_width - final_size.width)
3779 .max(editor_margins.gutter.full_width());
3780 x_offset = x_target.min(max_offset).max(min_offset);
3781 }
3782 };
3783 if element_height_in_lines != block.height() {
3784 resized_blocks.insert(custom_block_id, element_height_in_lines);
3785 }
3786 }
3787 for i in 0..element_height_in_lines {
3788 row_block_types.insert(row + i, is_block);
3789 }
3790
3791 Some((element, final_size, row, x_offset))
3792 }
3793
3794 fn render_buffer_header(
3795 &self,
3796 for_excerpt: &ExcerptInfo,
3797 is_folded: bool,
3798 is_selected: bool,
3799 is_sticky: bool,
3800 jump_data: JumpData,
3801 window: &mut Window,
3802 cx: &mut App,
3803 ) -> impl IntoElement {
3804 let editor = self.editor.read(cx);
3805 let multi_buffer = editor.buffer.read(cx);
3806 let file_status = multi_buffer
3807 .all_diff_hunks_expanded()
3808 .then(|| {
3809 editor
3810 .project
3811 .as_ref()?
3812 .read(cx)
3813 .status_for_buffer_id(for_excerpt.buffer_id, cx)
3814 })
3815 .flatten();
3816 let indicator = multi_buffer
3817 .buffer(for_excerpt.buffer_id)
3818 .and_then(|buffer| {
3819 let buffer = buffer.read(cx);
3820 let indicator_color = match (buffer.has_conflict(), buffer.is_dirty()) {
3821 (true, _) => Some(Color::Warning),
3822 (_, true) => Some(Color::Accent),
3823 (false, false) => None,
3824 };
3825 indicator_color.map(|indicator_color| Indicator::dot().color(indicator_color))
3826 });
3827
3828 let include_root = editor
3829 .project
3830 .as_ref()
3831 .map(|project| project.read(cx).visible_worktrees(cx).count() > 1)
3832 .unwrap_or_default();
3833 let file = for_excerpt.buffer.file();
3834 let can_open_excerpts = Editor::can_open_excerpts_in_file(file);
3835 let path_style = file.map(|file| file.path_style(cx));
3836 let relative_path = for_excerpt.buffer.resolve_file_path(include_root, cx);
3837 let (parent_path, filename) = if let Some(path) = &relative_path {
3838 if let Some(path_style) = path_style {
3839 let (dir, file_name) = path_style.split(path);
3840 (dir.map(|dir| dir.to_owned()), Some(file_name.to_owned()))
3841 } else {
3842 (None, Some(path.clone()))
3843 }
3844 } else {
3845 (None, None)
3846 };
3847 let focus_handle = editor.focus_handle(cx);
3848 let colors = cx.theme().colors();
3849
3850 let header = div()
3851 .p_1()
3852 .w_full()
3853 .h(FILE_HEADER_HEIGHT as f32 * window.line_height())
3854 .child(
3855 h_flex()
3856 .size_full()
3857 .gap_2()
3858 .flex_basis(Length::Definite(DefiniteLength::Fraction(0.667)))
3859 .pl_0p5()
3860 .pr_5()
3861 .rounded_sm()
3862 .when(is_sticky, |el| el.shadow_md())
3863 .border_1()
3864 .map(|div| {
3865 let border_color = if is_selected
3866 && is_folded
3867 && focus_handle.contains_focused(window, cx)
3868 {
3869 colors.border_focused
3870 } else {
3871 colors.border
3872 };
3873 div.border_color(border_color)
3874 })
3875 .bg(colors.editor_subheader_background)
3876 .hover(|style| style.bg(colors.element_hover))
3877 .map(|header| {
3878 let editor = self.editor.clone();
3879 let buffer_id = for_excerpt.buffer_id;
3880 let toggle_chevron_icon =
3881 FileIcons::get_chevron_icon(!is_folded, cx).map(Icon::from_path);
3882 header.child(
3883 div()
3884 .hover(|style| style.bg(colors.element_selected))
3885 .rounded_xs()
3886 .child(
3887 ButtonLike::new("toggle-buffer-fold")
3888 .style(ui::ButtonStyle::Transparent)
3889 .height(px(28.).into())
3890 .width(px(28.))
3891 .children(toggle_chevron_icon)
3892 .tooltip({
3893 let focus_handle = focus_handle.clone();
3894 move |window, cx| {
3895 Tooltip::with_meta_in(
3896 "Toggle Excerpt Fold",
3897 Some(&ToggleFold),
3898 format!(
3899 "{} to toggle all",
3900 text_for_keystroke(
3901 &Modifiers::alt(),
3902 "click",
3903 cx
3904 )
3905 ),
3906 &focus_handle,
3907 window,
3908 cx,
3909 )
3910 }
3911 })
3912 .on_click(move |event, window, cx| {
3913 if event.modifiers().alt {
3914 // Alt+click toggles all buffers
3915 editor.update(cx, |editor, cx| {
3916 editor.toggle_fold_all(
3917 &ToggleFoldAll,
3918 window,
3919 cx,
3920 );
3921 });
3922 } else {
3923 // Regular click toggles single buffer
3924 if is_folded {
3925 editor.update(cx, |editor, cx| {
3926 editor.unfold_buffer(buffer_id, cx);
3927 });
3928 } else {
3929 editor.update(cx, |editor, cx| {
3930 editor.fold_buffer(buffer_id, cx);
3931 });
3932 }
3933 }
3934 }),
3935 ),
3936 )
3937 })
3938 .children(
3939 editor
3940 .addons
3941 .values()
3942 .filter_map(|addon| {
3943 addon.render_buffer_header_controls(for_excerpt, window, cx)
3944 })
3945 .take(1),
3946 )
3947 .child(h_flex().size(px(12.0)).justify_center().children(indicator))
3948 .child(
3949 h_flex()
3950 .cursor_pointer()
3951 .id("path header block")
3952 .size_full()
3953 .justify_between()
3954 .overflow_hidden()
3955 .child(
3956 h_flex()
3957 .gap_2()
3958 .map(|path_header| {
3959 let filename = filename
3960 .map(SharedString::from)
3961 .unwrap_or_else(|| "untitled".into());
3962
3963 path_header
3964 .when(ItemSettings::get_global(cx).file_icons, |el| {
3965 let path = path::Path::new(filename.as_str());
3966 let icon = FileIcons::get_icon(path, cx)
3967 .unwrap_or_default();
3968 let icon =
3969 Icon::from_path(icon).color(Color::Muted);
3970 el.child(icon)
3971 })
3972 .child(Label::new(filename).single_line().when_some(
3973 file_status,
3974 |el, status| {
3975 el.color(if status.is_conflicted() {
3976 Color::Conflict
3977 } else if status.is_modified() {
3978 Color::Modified
3979 } else if status.is_deleted() {
3980 Color::Disabled
3981 } else {
3982 Color::Created
3983 })
3984 .when(status.is_deleted(), |el| {
3985 el.strikethrough()
3986 })
3987 },
3988 ))
3989 })
3990 .when_some(parent_path, |then, path| {
3991 then.child(div().child(path).text_color(
3992 if file_status.is_some_and(FileStatus::is_deleted) {
3993 colors.text_disabled
3994 } else {
3995 colors.text_muted
3996 },
3997 ))
3998 }),
3999 )
4000 .when(
4001 can_open_excerpts && is_selected && relative_path.is_some(),
4002 |el| {
4003 el.child(
4004 h_flex()
4005 .id("jump-to-file-button")
4006 .gap_2p5()
4007 .child(Label::new("Jump To File"))
4008 .children(
4009 KeyBinding::for_action_in(
4010 &OpenExcerpts,
4011 &focus_handle,
4012 window,
4013 cx,
4014 )
4015 .map(|binding| binding.into_any_element()),
4016 ),
4017 )
4018 },
4019 )
4020 .on_mouse_down(MouseButton::Left, |_, _, cx| cx.stop_propagation())
4021 .on_click(window.listener_for(&self.editor, {
4022 move |editor, e: &ClickEvent, window, cx| {
4023 editor.open_excerpts_common(
4024 Some(jump_data.clone()),
4025 e.modifiers().secondary(),
4026 window,
4027 cx,
4028 );
4029 }
4030 })),
4031 ),
4032 );
4033
4034 let file = for_excerpt.buffer.file().cloned();
4035 let editor = self.editor.clone();
4036 right_click_menu("buffer-header-context-menu")
4037 .trigger(move |_, _, _| header)
4038 .menu(move |window, cx| {
4039 let menu_context = focus_handle.clone();
4040 let editor = editor.clone();
4041 let file = file.clone();
4042 ContextMenu::build(window, cx, move |mut menu, window, cx| {
4043 if let Some(file) = file
4044 && let Some(project) = editor.read(cx).project()
4045 && let Some(worktree) =
4046 project.read(cx).worktree_for_id(file.worktree_id(cx), cx)
4047 {
4048 let path_style = file.path_style(cx);
4049 let worktree = worktree.read(cx);
4050 let relative_path = file.path();
4051 let entry_for_path = worktree.entry_for_path(relative_path);
4052 let abs_path = entry_for_path.map(|e| {
4053 e.canonical_path.as_deref().map_or_else(
4054 || worktree.absolutize(relative_path),
4055 Path::to_path_buf,
4056 )
4057 });
4058 let has_relative_path = worktree.root_entry().is_some_and(Entry::is_dir);
4059
4060 let parent_abs_path = abs_path
4061 .as_ref()
4062 .and_then(|abs_path| Some(abs_path.parent()?.to_path_buf()));
4063 let relative_path = has_relative_path
4064 .then_some(relative_path)
4065 .map(ToOwned::to_owned);
4066
4067 let visible_in_project_panel =
4068 relative_path.is_some() && worktree.is_visible();
4069 let reveal_in_project_panel = entry_for_path
4070 .filter(|_| visible_in_project_panel)
4071 .map(|entry| entry.id);
4072 menu = menu
4073 .when_some(abs_path, |menu, abs_path| {
4074 menu.entry(
4075 "Copy Path",
4076 Some(Box::new(zed_actions::workspace::CopyPath)),
4077 window.handler_for(&editor, move |_, _, cx| {
4078 cx.write_to_clipboard(ClipboardItem::new_string(
4079 abs_path.to_string_lossy().into_owned(),
4080 ));
4081 }),
4082 )
4083 })
4084 .when_some(relative_path, |menu, relative_path| {
4085 menu.entry(
4086 "Copy Relative Path",
4087 Some(Box::new(zed_actions::workspace::CopyRelativePath)),
4088 window.handler_for(&editor, move |_, _, cx| {
4089 cx.write_to_clipboard(ClipboardItem::new_string(
4090 relative_path.display(path_style).to_string(),
4091 ));
4092 }),
4093 )
4094 })
4095 .when(
4096 reveal_in_project_panel.is_some() || parent_abs_path.is_some(),
4097 |menu| menu.separator(),
4098 )
4099 .when_some(reveal_in_project_panel, |menu, entry_id| {
4100 menu.entry(
4101 "Reveal In Project Panel",
4102 Some(Box::new(RevealInProjectPanel::default())),
4103 window.handler_for(&editor, move |editor, _, cx| {
4104 if let Some(project) = &mut editor.project {
4105 project.update(cx, |_, cx| {
4106 cx.emit(project::Event::RevealInProjectPanel(
4107 entry_id,
4108 ))
4109 });
4110 }
4111 }),
4112 )
4113 })
4114 .when_some(parent_abs_path, |menu, parent_abs_path| {
4115 menu.entry(
4116 "Open in Terminal",
4117 Some(Box::new(OpenInTerminal)),
4118 window.handler_for(&editor, move |_, window, cx| {
4119 window.dispatch_action(
4120 OpenTerminal {
4121 working_directory: parent_abs_path.clone(),
4122 }
4123 .boxed_clone(),
4124 cx,
4125 );
4126 }),
4127 )
4128 });
4129 }
4130
4131 menu.context(menu_context)
4132 })
4133 })
4134 }
4135
4136 fn render_blocks(
4137 &self,
4138 rows: Range<DisplayRow>,
4139 snapshot: &EditorSnapshot,
4140 hitbox: &Hitbox,
4141 text_hitbox: &Hitbox,
4142 editor_width: Pixels,
4143 scroll_width: &mut Pixels,
4144 editor_margins: &EditorMargins,
4145 em_width: Pixels,
4146 text_x: Pixels,
4147 line_height: Pixels,
4148 line_layouts: &mut [LineWithInvisibles],
4149 selections: &[Selection<Point>],
4150 selected_buffer_ids: &Vec<BufferId>,
4151 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
4152 sticky_header_excerpt_id: Option<ExcerptId>,
4153 window: &mut Window,
4154 cx: &mut App,
4155 ) -> Result<(Vec<BlockLayout>, HashMap<DisplayRow, bool>), HashMap<CustomBlockId, u32>> {
4156 let (fixed_blocks, non_fixed_blocks) = snapshot
4157 .blocks_in_range(rows.clone())
4158 .partition::<Vec<_>, _>(|(_, block)| block.style() == BlockStyle::Fixed);
4159
4160 let mut focused_block = self
4161 .editor
4162 .update(cx, |editor, _| editor.take_focused_block());
4163 let mut fixed_block_max_width = Pixels::ZERO;
4164 let mut blocks = Vec::new();
4165 let mut resized_blocks = HashMap::default();
4166 let mut row_block_types = HashMap::default();
4167
4168 for (row, block) in fixed_blocks {
4169 let block_id = block.id();
4170
4171 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4172 focused_block = None;
4173 }
4174
4175 if let Some((element, element_size, row, x_offset)) = self.render_block(
4176 block,
4177 AvailableSpace::MinContent,
4178 block_id,
4179 row,
4180 snapshot,
4181 text_x,
4182 &rows,
4183 line_layouts,
4184 editor_margins,
4185 line_height,
4186 em_width,
4187 text_hitbox,
4188 editor_width,
4189 scroll_width,
4190 &mut resized_blocks,
4191 &mut row_block_types,
4192 selections,
4193 selected_buffer_ids,
4194 is_row_soft_wrapped,
4195 sticky_header_excerpt_id,
4196 window,
4197 cx,
4198 ) {
4199 fixed_block_max_width = fixed_block_max_width.max(element_size.width + em_width);
4200 blocks.push(BlockLayout {
4201 id: block_id,
4202 x_offset,
4203 row: Some(row),
4204 element,
4205 available_space: size(AvailableSpace::MinContent, element_size.height.into()),
4206 style: BlockStyle::Fixed,
4207 overlaps_gutter: true,
4208 is_buffer_header: block.is_buffer_header(),
4209 });
4210 }
4211 }
4212
4213 for (row, block) in non_fixed_blocks {
4214 let style = block.style();
4215 let width = match (style, block.place_near()) {
4216 (_, true) => AvailableSpace::MinContent,
4217 (BlockStyle::Sticky, _) => hitbox.size.width.into(),
4218 (BlockStyle::Flex, _) => hitbox
4219 .size
4220 .width
4221 .max(fixed_block_max_width)
4222 .max(editor_margins.gutter.width + *scroll_width)
4223 .into(),
4224 (BlockStyle::Fixed, _) => unreachable!(),
4225 };
4226 let block_id = block.id();
4227
4228 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4229 focused_block = None;
4230 }
4231
4232 if let Some((element, element_size, row, x_offset)) = self.render_block(
4233 block,
4234 width,
4235 block_id,
4236 row,
4237 snapshot,
4238 text_x,
4239 &rows,
4240 line_layouts,
4241 editor_margins,
4242 line_height,
4243 em_width,
4244 text_hitbox,
4245 editor_width,
4246 scroll_width,
4247 &mut resized_blocks,
4248 &mut row_block_types,
4249 selections,
4250 selected_buffer_ids,
4251 is_row_soft_wrapped,
4252 sticky_header_excerpt_id,
4253 window,
4254 cx,
4255 ) {
4256 blocks.push(BlockLayout {
4257 id: block_id,
4258 x_offset,
4259 row: Some(row),
4260 element,
4261 available_space: size(width, element_size.height.into()),
4262 style,
4263 overlaps_gutter: !block.place_near(),
4264 is_buffer_header: block.is_buffer_header(),
4265 });
4266 }
4267 }
4268
4269 if let Some(focused_block) = focused_block
4270 && let Some(focus_handle) = focused_block.focus_handle.upgrade()
4271 && focus_handle.is_focused(window)
4272 && let Some(block) = snapshot.block_for_id(focused_block.id)
4273 {
4274 let style = block.style();
4275 let width = match style {
4276 BlockStyle::Fixed => AvailableSpace::MinContent,
4277 BlockStyle::Flex => AvailableSpace::Definite(
4278 hitbox
4279 .size
4280 .width
4281 .max(fixed_block_max_width)
4282 .max(editor_margins.gutter.width + *scroll_width),
4283 ),
4284 BlockStyle::Sticky => AvailableSpace::Definite(hitbox.size.width),
4285 };
4286
4287 if let Some((element, element_size, _, x_offset)) = self.render_block(
4288 &block,
4289 width,
4290 focused_block.id,
4291 rows.end,
4292 snapshot,
4293 text_x,
4294 &rows,
4295 line_layouts,
4296 editor_margins,
4297 line_height,
4298 em_width,
4299 text_hitbox,
4300 editor_width,
4301 scroll_width,
4302 &mut resized_blocks,
4303 &mut row_block_types,
4304 selections,
4305 selected_buffer_ids,
4306 is_row_soft_wrapped,
4307 sticky_header_excerpt_id,
4308 window,
4309 cx,
4310 ) {
4311 blocks.push(BlockLayout {
4312 id: block.id(),
4313 x_offset,
4314 row: None,
4315 element,
4316 available_space: size(width, element_size.height.into()),
4317 style,
4318 overlaps_gutter: true,
4319 is_buffer_header: block.is_buffer_header(),
4320 });
4321 }
4322 }
4323
4324 if resized_blocks.is_empty() {
4325 *scroll_width =
4326 (*scroll_width).max(fixed_block_max_width - editor_margins.gutter.width);
4327 Ok((blocks, row_block_types))
4328 } else {
4329 Err(resized_blocks)
4330 }
4331 }
4332
4333 fn layout_blocks(
4334 &self,
4335 blocks: &mut Vec<BlockLayout>,
4336 hitbox: &Hitbox,
4337 line_height: Pixels,
4338 scroll_position: gpui::Point<ScrollOffset>,
4339 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4340 window: &mut Window,
4341 cx: &mut App,
4342 ) {
4343 for block in blocks {
4344 let mut origin = if let Some(row) = block.row {
4345 hitbox.origin
4346 + point(
4347 block.x_offset,
4348 Pixels::from(
4349 (row.as_f64() - scroll_position.y)
4350 * ScrollPixelOffset::from(line_height),
4351 ),
4352 )
4353 } else {
4354 // Position the block outside the visible area
4355 hitbox.origin + point(Pixels::ZERO, hitbox.size.height)
4356 };
4357
4358 if !matches!(block.style, BlockStyle::Sticky) {
4359 origin += point(Pixels::from(-scroll_pixel_position.x), Pixels::ZERO);
4360 }
4361
4362 let focus_handle =
4363 block
4364 .element
4365 .prepaint_as_root(origin, block.available_space, window, cx);
4366
4367 if let Some(focus_handle) = focus_handle {
4368 self.editor.update(cx, |editor, _cx| {
4369 editor.set_focused_block(FocusedBlock {
4370 id: block.id,
4371 focus_handle: focus_handle.downgrade(),
4372 });
4373 });
4374 }
4375 }
4376 }
4377
4378 fn layout_sticky_buffer_header(
4379 &self,
4380 StickyHeaderExcerpt { excerpt }: StickyHeaderExcerpt<'_>,
4381 scroll_position: gpui::Point<ScrollOffset>,
4382 line_height: Pixels,
4383 right_margin: Pixels,
4384 snapshot: &EditorSnapshot,
4385 hitbox: &Hitbox,
4386 selected_buffer_ids: &Vec<BufferId>,
4387 blocks: &[BlockLayout],
4388 window: &mut Window,
4389 cx: &mut App,
4390 ) -> AnyElement {
4391 let jump_data = header_jump_data(
4392 snapshot,
4393 DisplayRow(scroll_position.y as u32),
4394 FILE_HEADER_HEIGHT + MULTI_BUFFER_EXCERPT_HEADER_HEIGHT,
4395 excerpt,
4396 );
4397
4398 let editor_bg_color = cx.theme().colors().editor_background;
4399
4400 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
4401
4402 let available_width = hitbox.bounds.size.width - right_margin;
4403
4404 let mut header = v_flex()
4405 .w_full()
4406 .relative()
4407 .child(
4408 div()
4409 .w(available_width)
4410 .h(FILE_HEADER_HEIGHT as f32 * line_height)
4411 .bg(linear_gradient(
4412 0.,
4413 linear_color_stop(editor_bg_color.opacity(0.), 0.),
4414 linear_color_stop(editor_bg_color, 0.6),
4415 ))
4416 .absolute()
4417 .top_0(),
4418 )
4419 .child(
4420 self.render_buffer_header(excerpt, false, selected, true, jump_data, window, cx)
4421 .into_any_element(),
4422 )
4423 .into_any_element();
4424
4425 let mut origin = hitbox.origin;
4426 // Move floating header up to avoid colliding with the next buffer header.
4427 for block in blocks.iter() {
4428 if !block.is_buffer_header {
4429 continue;
4430 }
4431
4432 let Some(display_row) = block.row.filter(|row| row.0 > scroll_position.y as u32) else {
4433 continue;
4434 };
4435
4436 let max_row = display_row.0.saturating_sub(FILE_HEADER_HEIGHT);
4437 let offset = scroll_position.y - max_row as f64;
4438
4439 if offset > 0.0 {
4440 origin.y -= Pixels::from(offset * ScrollPixelOffset::from(line_height));
4441 }
4442 break;
4443 }
4444
4445 let size = size(
4446 AvailableSpace::Definite(available_width),
4447 AvailableSpace::MinContent,
4448 );
4449
4450 header.prepaint_as_root(origin, size, window, cx);
4451
4452 header
4453 }
4454
4455 fn layout_cursor_popovers(
4456 &self,
4457 line_height: Pixels,
4458 text_hitbox: &Hitbox,
4459 content_origin: gpui::Point<Pixels>,
4460 right_margin: Pixels,
4461 start_row: DisplayRow,
4462 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4463 line_layouts: &[LineWithInvisibles],
4464 cursor: DisplayPoint,
4465 cursor_point: Point,
4466 style: &EditorStyle,
4467 window: &mut Window,
4468 cx: &mut App,
4469 ) -> Option<ContextMenuLayout> {
4470 let mut min_menu_height = Pixels::ZERO;
4471 let mut max_menu_height = Pixels::ZERO;
4472 let mut height_above_menu = Pixels::ZERO;
4473 let height_below_menu = Pixels::ZERO;
4474 let mut edit_prediction_popover_visible = false;
4475 let mut context_menu_visible = false;
4476 let context_menu_placement;
4477
4478 {
4479 let editor = self.editor.read(cx);
4480 if editor.edit_prediction_visible_in_cursor_popover(editor.has_active_edit_prediction())
4481 {
4482 height_above_menu +=
4483 editor.edit_prediction_cursor_popover_height() + POPOVER_Y_PADDING;
4484 edit_prediction_popover_visible = true;
4485 }
4486
4487 if editor.context_menu_visible()
4488 && let Some(crate::ContextMenuOrigin::Cursor) = editor.context_menu_origin()
4489 {
4490 let (min_height_in_lines, max_height_in_lines) = editor
4491 .context_menu_options
4492 .as_ref()
4493 .map_or((3, 12), |options| {
4494 (options.min_entries_visible, options.max_entries_visible)
4495 });
4496
4497 min_menu_height += line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4498 max_menu_height += line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4499 context_menu_visible = true;
4500 }
4501 context_menu_placement = editor
4502 .context_menu_options
4503 .as_ref()
4504 .and_then(|options| options.placement.clone());
4505 }
4506
4507 let visible = edit_prediction_popover_visible || context_menu_visible;
4508 if !visible {
4509 return None;
4510 }
4511
4512 let cursor_row_layout = &line_layouts[cursor.row().minus(start_row) as usize];
4513 let target_position = content_origin
4514 + gpui::Point {
4515 x: cmp::max(
4516 px(0.),
4517 Pixels::from(
4518 ScrollPixelOffset::from(
4519 cursor_row_layout.x_for_index(cursor.column() as usize),
4520 ) - scroll_pixel_position.x,
4521 ),
4522 ),
4523 y: cmp::max(
4524 px(0.),
4525 Pixels::from(
4526 cursor.row().next_row().as_f64() * ScrollPixelOffset::from(line_height)
4527 - scroll_pixel_position.y,
4528 ),
4529 ),
4530 };
4531
4532 let viewport_bounds =
4533 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4534 right: -right_margin - MENU_GAP,
4535 ..Default::default()
4536 });
4537
4538 let min_height = height_above_menu + min_menu_height + height_below_menu;
4539 let max_height = height_above_menu + max_menu_height + height_below_menu;
4540 let (laid_out_popovers, y_flipped) = self.layout_popovers_above_or_below_line(
4541 target_position,
4542 line_height,
4543 min_height,
4544 max_height,
4545 context_menu_placement,
4546 text_hitbox,
4547 viewport_bounds,
4548 window,
4549 cx,
4550 |height, max_width_for_stable_x, y_flipped, window, cx| {
4551 // First layout the menu to get its size - others can be at least this wide.
4552 let context_menu = if context_menu_visible {
4553 let menu_height = if y_flipped {
4554 height - height_below_menu
4555 } else {
4556 height - height_above_menu
4557 };
4558 let mut element = self
4559 .render_context_menu(line_height, menu_height, window, cx)
4560 .expect("Visible context menu should always render.");
4561 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4562 Some((CursorPopoverType::CodeContextMenu, element, size))
4563 } else {
4564 None
4565 };
4566 let min_width = context_menu
4567 .as_ref()
4568 .map_or(px(0.), |(_, _, size)| size.width);
4569 let max_width = max_width_for_stable_x.max(
4570 context_menu
4571 .as_ref()
4572 .map_or(px(0.), |(_, _, size)| size.width),
4573 );
4574
4575 let edit_prediction = if edit_prediction_popover_visible {
4576 self.editor.update(cx, move |editor, cx| {
4577 let accept_binding =
4578 editor.accept_edit_prediction_keybind(false, window, cx);
4579 let mut element = editor.render_edit_prediction_cursor_popover(
4580 min_width,
4581 max_width,
4582 cursor_point,
4583 style,
4584 accept_binding.keystroke(),
4585 window,
4586 cx,
4587 )?;
4588 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4589 Some((CursorPopoverType::EditPrediction, element, size))
4590 })
4591 } else {
4592 None
4593 };
4594 vec![edit_prediction, context_menu]
4595 .into_iter()
4596 .flatten()
4597 .collect::<Vec<_>>()
4598 },
4599 )?;
4600
4601 let (menu_ix, (_, menu_bounds)) = laid_out_popovers
4602 .iter()
4603 .find_position(|(x, _)| matches!(x, CursorPopoverType::CodeContextMenu))?;
4604 let last_ix = laid_out_popovers.len() - 1;
4605 let menu_is_last = menu_ix == last_ix;
4606 let first_popover_bounds = laid_out_popovers[0].1;
4607 let last_popover_bounds = laid_out_popovers[last_ix].1;
4608
4609 // Bounds to layout the aside around. When y_flipped, the aside goes either above or to the
4610 // right, and otherwise it goes below or to the right.
4611 let mut target_bounds = Bounds::from_corners(
4612 first_popover_bounds.origin,
4613 last_popover_bounds.bottom_right(),
4614 );
4615 target_bounds.size.width = menu_bounds.size.width;
4616
4617 // Like `target_bounds`, but with the max height it could occupy. Choosing an aside position
4618 // based on this is preferred for layout stability.
4619 let mut max_target_bounds = target_bounds;
4620 max_target_bounds.size.height = max_height;
4621 if y_flipped {
4622 max_target_bounds.origin.y -= max_height - target_bounds.size.height;
4623 }
4624
4625 // Add spacing around `target_bounds` and `max_target_bounds`.
4626 let mut extend_amount = Edges::all(MENU_GAP);
4627 if y_flipped {
4628 extend_amount.bottom = line_height;
4629 } else {
4630 extend_amount.top = line_height;
4631 }
4632 let target_bounds = target_bounds.extend(extend_amount);
4633 let max_target_bounds = max_target_bounds.extend(extend_amount);
4634
4635 let must_place_above_or_below =
4636 if y_flipped && !menu_is_last && menu_bounds.size.height < max_menu_height {
4637 laid_out_popovers[menu_ix + 1..]
4638 .iter()
4639 .any(|(_, popover_bounds)| popover_bounds.size.width > menu_bounds.size.width)
4640 } else {
4641 false
4642 };
4643
4644 let aside_bounds = self.layout_context_menu_aside(
4645 y_flipped,
4646 *menu_bounds,
4647 target_bounds,
4648 max_target_bounds,
4649 max_menu_height,
4650 must_place_above_or_below,
4651 text_hitbox,
4652 viewport_bounds,
4653 window,
4654 cx,
4655 );
4656
4657 if let Some(menu_bounds) = laid_out_popovers.iter().find_map(|(popover_type, bounds)| {
4658 if matches!(popover_type, CursorPopoverType::CodeContextMenu) {
4659 Some(*bounds)
4660 } else {
4661 None
4662 }
4663 }) {
4664 let bounds = if let Some(aside_bounds) = aside_bounds {
4665 menu_bounds.union(&aside_bounds)
4666 } else {
4667 menu_bounds
4668 };
4669 return Some(ContextMenuLayout { y_flipped, bounds });
4670 }
4671
4672 None
4673 }
4674
4675 fn layout_gutter_menu(
4676 &self,
4677 line_height: Pixels,
4678 text_hitbox: &Hitbox,
4679 content_origin: gpui::Point<Pixels>,
4680 right_margin: Pixels,
4681 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4682 gutter_overshoot: Pixels,
4683 window: &mut Window,
4684 cx: &mut App,
4685 ) {
4686 let editor = self.editor.read(cx);
4687 if !editor.context_menu_visible() {
4688 return;
4689 }
4690 let Some(crate::ContextMenuOrigin::GutterIndicator(gutter_row)) =
4691 editor.context_menu_origin()
4692 else {
4693 return;
4694 };
4695 // Context menu was spawned via a click on a gutter. Ensure it's a bit closer to the
4696 // indicator than just a plain first column of the text field.
4697 let target_position = content_origin
4698 + gpui::Point {
4699 x: -gutter_overshoot,
4700 y: Pixels::from(
4701 gutter_row.next_row().as_f64() * ScrollPixelOffset::from(line_height)
4702 - scroll_pixel_position.y,
4703 ),
4704 };
4705
4706 let (min_height_in_lines, max_height_in_lines) = editor
4707 .context_menu_options
4708 .as_ref()
4709 .map_or((3, 12), |options| {
4710 (options.min_entries_visible, options.max_entries_visible)
4711 });
4712
4713 let min_height = line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4714 let max_height = line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4715 let viewport_bounds =
4716 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4717 right: -right_margin - MENU_GAP,
4718 ..Default::default()
4719 });
4720 self.layout_popovers_above_or_below_line(
4721 target_position,
4722 line_height,
4723 min_height,
4724 max_height,
4725 editor
4726 .context_menu_options
4727 .as_ref()
4728 .and_then(|options| options.placement.clone()),
4729 text_hitbox,
4730 viewport_bounds,
4731 window,
4732 cx,
4733 move |height, _max_width_for_stable_x, _, window, cx| {
4734 let mut element = self
4735 .render_context_menu(line_height, height, window, cx)
4736 .expect("Visible context menu should always render.");
4737 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4738 vec![(CursorPopoverType::CodeContextMenu, element, size)]
4739 },
4740 );
4741 }
4742
4743 fn layout_popovers_above_or_below_line(
4744 &self,
4745 target_position: gpui::Point<Pixels>,
4746 line_height: Pixels,
4747 min_height: Pixels,
4748 max_height: Pixels,
4749 placement: Option<ContextMenuPlacement>,
4750 text_hitbox: &Hitbox,
4751 viewport_bounds: Bounds<Pixels>,
4752 window: &mut Window,
4753 cx: &mut App,
4754 make_sized_popovers: impl FnOnce(
4755 Pixels,
4756 Pixels,
4757 bool,
4758 &mut Window,
4759 &mut App,
4760 ) -> Vec<(CursorPopoverType, AnyElement, Size<Pixels>)>,
4761 ) -> Option<(Vec<(CursorPopoverType, Bounds<Pixels>)>, bool)> {
4762 let text_style = TextStyleRefinement {
4763 line_height: Some(DefiniteLength::Fraction(
4764 BufferLineHeight::Comfortable.value(),
4765 )),
4766 ..Default::default()
4767 };
4768 window.with_text_style(Some(text_style), |window| {
4769 // If the max height won't fit below and there is more space above, put it above the line.
4770 let bottom_y_when_flipped = target_position.y - line_height;
4771 let available_above = bottom_y_when_flipped - text_hitbox.top();
4772 let available_below = text_hitbox.bottom() - target_position.y;
4773 let y_overflows_below = max_height > available_below;
4774 let mut y_flipped = match placement {
4775 Some(ContextMenuPlacement::Above) => true,
4776 Some(ContextMenuPlacement::Below) => false,
4777 None => y_overflows_below && available_above > available_below,
4778 };
4779 let mut height = cmp::min(
4780 max_height,
4781 if y_flipped {
4782 available_above
4783 } else {
4784 available_below
4785 },
4786 );
4787
4788 // If the min height doesn't fit within text bounds, instead fit within the window.
4789 if height < min_height {
4790 let available_above = bottom_y_when_flipped;
4791 let available_below = viewport_bounds.bottom() - target_position.y;
4792 let (y_flipped_override, height_override) = match placement {
4793 Some(ContextMenuPlacement::Above) => {
4794 (true, cmp::min(available_above, min_height))
4795 }
4796 Some(ContextMenuPlacement::Below) => {
4797 (false, cmp::min(available_below, min_height))
4798 }
4799 None => {
4800 if available_below > min_height {
4801 (false, min_height)
4802 } else if available_above > min_height {
4803 (true, min_height)
4804 } else if available_above > available_below {
4805 (true, available_above)
4806 } else {
4807 (false, available_below)
4808 }
4809 }
4810 };
4811 y_flipped = y_flipped_override;
4812 height = height_override;
4813 }
4814
4815 let max_width_for_stable_x = viewport_bounds.right() - target_position.x;
4816
4817 // TODO: Use viewport_bounds.width as a max width so that it doesn't get clipped on the left
4818 // for very narrow windows.
4819 let popovers =
4820 make_sized_popovers(height, max_width_for_stable_x, y_flipped, window, cx);
4821 if popovers.is_empty() {
4822 return None;
4823 }
4824
4825 let max_width = popovers
4826 .iter()
4827 .map(|(_, _, size)| size.width)
4828 .max()
4829 .unwrap_or_default();
4830
4831 let mut current_position = gpui::Point {
4832 // Snap the right edge of the list to the right edge of the window if its horizontal bounds
4833 // overflow. Include space for the scrollbar.
4834 x: target_position
4835 .x
4836 .min((viewport_bounds.right() - max_width).max(Pixels::ZERO)),
4837 y: if y_flipped {
4838 bottom_y_when_flipped
4839 } else {
4840 target_position.y
4841 },
4842 };
4843
4844 let mut laid_out_popovers = popovers
4845 .into_iter()
4846 .map(|(popover_type, element, size)| {
4847 if y_flipped {
4848 current_position.y -= size.height;
4849 }
4850 let position = current_position;
4851 window.defer_draw(element, current_position, 1);
4852 if !y_flipped {
4853 current_position.y += size.height + MENU_GAP;
4854 } else {
4855 current_position.y -= MENU_GAP;
4856 }
4857 (popover_type, Bounds::new(position, size))
4858 })
4859 .collect::<Vec<_>>();
4860
4861 if y_flipped {
4862 laid_out_popovers.reverse();
4863 }
4864
4865 Some((laid_out_popovers, y_flipped))
4866 })
4867 }
4868
4869 fn layout_context_menu_aside(
4870 &self,
4871 y_flipped: bool,
4872 menu_bounds: Bounds<Pixels>,
4873 target_bounds: Bounds<Pixels>,
4874 max_target_bounds: Bounds<Pixels>,
4875 max_height: Pixels,
4876 must_place_above_or_below: bool,
4877 text_hitbox: &Hitbox,
4878 viewport_bounds: Bounds<Pixels>,
4879 window: &mut Window,
4880 cx: &mut App,
4881 ) -> Option<Bounds<Pixels>> {
4882 let available_within_viewport = target_bounds.space_within(&viewport_bounds);
4883 let positioned_aside = if available_within_viewport.right >= MENU_ASIDE_MIN_WIDTH
4884 && !must_place_above_or_below
4885 {
4886 let max_width = cmp::min(
4887 available_within_viewport.right - px(1.),
4888 MENU_ASIDE_MAX_WIDTH,
4889 );
4890 let mut aside = self.render_context_menu_aside(
4891 size(max_width, max_height - POPOVER_Y_PADDING),
4892 window,
4893 cx,
4894 )?;
4895 let size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4896 let right_position = point(target_bounds.right(), menu_bounds.origin.y);
4897 Some((aside, right_position, size))
4898 } else {
4899 let max_size = size(
4900 // TODO(mgsloan): Once the menu is bounded by viewport width the bound on viewport
4901 // won't be needed here.
4902 cmp::min(
4903 cmp::max(menu_bounds.size.width - px(2.), MENU_ASIDE_MIN_WIDTH),
4904 viewport_bounds.right(),
4905 ),
4906 cmp::min(
4907 max_height,
4908 cmp::max(
4909 available_within_viewport.top,
4910 available_within_viewport.bottom,
4911 ),
4912 ) - POPOVER_Y_PADDING,
4913 );
4914 let mut aside = self.render_context_menu_aside(max_size, window, cx)?;
4915 let actual_size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4916
4917 let top_position = point(
4918 menu_bounds.origin.x,
4919 target_bounds.top() - actual_size.height,
4920 );
4921 let bottom_position = point(menu_bounds.origin.x, target_bounds.bottom());
4922
4923 let fit_within = |available: Edges<Pixels>, wanted: Size<Pixels>| {
4924 // Prefer to fit on the same side of the line as the menu, then on the other side of
4925 // the line.
4926 if !y_flipped && wanted.height < available.bottom {
4927 Some(bottom_position)
4928 } else if !y_flipped && wanted.height < available.top {
4929 Some(top_position)
4930 } else if y_flipped && wanted.height < available.top {
4931 Some(top_position)
4932 } else if y_flipped && wanted.height < available.bottom {
4933 Some(bottom_position)
4934 } else {
4935 None
4936 }
4937 };
4938
4939 // Prefer choosing a direction using max sizes rather than actual size for stability.
4940 let available_within_text = max_target_bounds.space_within(&text_hitbox.bounds);
4941 let wanted = size(MENU_ASIDE_MAX_WIDTH, max_height);
4942 let aside_position = fit_within(available_within_text, wanted)
4943 // Fallback: fit max size in window.
4944 .or_else(|| fit_within(max_target_bounds.space_within(&viewport_bounds), wanted))
4945 // Fallback: fit actual size in window.
4946 .or_else(|| fit_within(available_within_viewport, actual_size));
4947
4948 aside_position.map(|position| (aside, position, actual_size))
4949 };
4950
4951 // Skip drawing if it doesn't fit anywhere.
4952 if let Some((aside, position, size)) = positioned_aside {
4953 let aside_bounds = Bounds::new(position, size);
4954 window.defer_draw(aside, position, 2);
4955 return Some(aside_bounds);
4956 }
4957
4958 None
4959 }
4960
4961 fn render_context_menu(
4962 &self,
4963 line_height: Pixels,
4964 height: Pixels,
4965 window: &mut Window,
4966 cx: &mut App,
4967 ) -> Option<AnyElement> {
4968 let max_height_in_lines = ((height - POPOVER_Y_PADDING) / line_height).floor() as u32;
4969 self.editor.update(cx, |editor, cx| {
4970 editor.render_context_menu(&self.style, max_height_in_lines, window, cx)
4971 })
4972 }
4973
4974 fn render_context_menu_aside(
4975 &self,
4976 max_size: Size<Pixels>,
4977 window: &mut Window,
4978 cx: &mut App,
4979 ) -> Option<AnyElement> {
4980 if max_size.width < px(100.) || max_size.height < px(12.) {
4981 None
4982 } else {
4983 self.editor.update(cx, |editor, cx| {
4984 editor.render_context_menu_aside(max_size, window, cx)
4985 })
4986 }
4987 }
4988
4989 fn layout_mouse_context_menu(
4990 &self,
4991 editor_snapshot: &EditorSnapshot,
4992 visible_range: Range<DisplayRow>,
4993 content_origin: gpui::Point<Pixels>,
4994 window: &mut Window,
4995 cx: &mut App,
4996 ) -> Option<AnyElement> {
4997 let position = self.editor.update(cx, |editor, _cx| {
4998 let visible_start_point = editor.display_to_pixel_point(
4999 DisplayPoint::new(visible_range.start, 0),
5000 editor_snapshot,
5001 window,
5002 )?;
5003 let visible_end_point = editor.display_to_pixel_point(
5004 DisplayPoint::new(visible_range.end, 0),
5005 editor_snapshot,
5006 window,
5007 )?;
5008
5009 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
5010 let (source_display_point, position) = match mouse_context_menu.position {
5011 MenuPosition::PinnedToScreen(point) => (None, point),
5012 MenuPosition::PinnedToEditor { source, offset } => {
5013 let source_display_point = source.to_display_point(editor_snapshot);
5014 let source_point = editor.to_pixel_point(source, editor_snapshot, window)?;
5015 let position = content_origin + source_point + offset;
5016 (Some(source_display_point), position)
5017 }
5018 };
5019
5020 let source_included = source_display_point.is_none_or(|source_display_point| {
5021 visible_range
5022 .to_inclusive()
5023 .contains(&source_display_point.row())
5024 });
5025 let position_included =
5026 visible_start_point.y <= position.y && position.y <= visible_end_point.y;
5027 if !source_included && !position_included {
5028 None
5029 } else {
5030 Some(position)
5031 }
5032 })?;
5033
5034 let text_style = TextStyleRefinement {
5035 line_height: Some(DefiniteLength::Fraction(
5036 BufferLineHeight::Comfortable.value(),
5037 )),
5038 ..Default::default()
5039 };
5040 window.with_text_style(Some(text_style), |window| {
5041 let mut element = self.editor.read_with(cx, |editor, _| {
5042 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
5043 let context_menu = mouse_context_menu.context_menu.clone();
5044
5045 Some(
5046 deferred(
5047 anchored()
5048 .position(position)
5049 .child(context_menu)
5050 .anchor(Corner::TopLeft)
5051 .snap_to_window_with_margin(px(8.)),
5052 )
5053 .with_priority(1)
5054 .into_any(),
5055 )
5056 })?;
5057
5058 element.prepaint_as_root(position, AvailableSpace::min_size(), window, cx);
5059 Some(element)
5060 })
5061 }
5062
5063 fn layout_hover_popovers(
5064 &self,
5065 snapshot: &EditorSnapshot,
5066 hitbox: &Hitbox,
5067 visible_display_row_range: Range<DisplayRow>,
5068 content_origin: gpui::Point<Pixels>,
5069 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5070 line_layouts: &[LineWithInvisibles],
5071 line_height: Pixels,
5072 em_width: Pixels,
5073 context_menu_layout: Option<ContextMenuLayout>,
5074 window: &mut Window,
5075 cx: &mut App,
5076 ) {
5077 struct MeasuredHoverPopover {
5078 element: AnyElement,
5079 size: Size<Pixels>,
5080 horizontal_offset: Pixels,
5081 }
5082
5083 let max_size = size(
5084 (120. * em_width) // Default size
5085 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5086 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5087 (16. * line_height) // Default size
5088 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5089 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5090 );
5091
5092 let hover_popovers = self.editor.update(cx, |editor, cx| {
5093 editor.hover_state.render(
5094 snapshot,
5095 visible_display_row_range.clone(),
5096 max_size,
5097 window,
5098 cx,
5099 )
5100 });
5101 let Some((position, hover_popovers)) = hover_popovers else {
5102 return;
5103 };
5104
5105 // This is safe because we check on layout whether the required row is available
5106 let hovered_row_layout =
5107 &line_layouts[position.row().minus(visible_display_row_range.start) as usize];
5108
5109 // Compute Hovered Point
5110 let x = hovered_row_layout.x_for_index(position.column() as usize)
5111 - Pixels::from(scroll_pixel_position.x);
5112 let y = Pixels::from(
5113 position.row().as_f64() * ScrollPixelOffset::from(line_height)
5114 - scroll_pixel_position.y,
5115 );
5116 let hovered_point = content_origin + point(x, y);
5117
5118 let mut overall_height = Pixels::ZERO;
5119 let mut measured_hover_popovers = Vec::new();
5120 for (position, mut hover_popover) in hover_popovers.into_iter().with_position() {
5121 let size = hover_popover.layout_as_root(AvailableSpace::min_size(), window, cx);
5122 let horizontal_offset =
5123 (hitbox.top_right().x - POPOVER_RIGHT_OFFSET - (hovered_point.x + size.width))
5124 .min(Pixels::ZERO);
5125 match position {
5126 itertools::Position::Middle | itertools::Position::Last => {
5127 overall_height += HOVER_POPOVER_GAP
5128 }
5129 _ => {}
5130 }
5131 overall_height += size.height;
5132 measured_hover_popovers.push(MeasuredHoverPopover {
5133 element: hover_popover,
5134 size,
5135 horizontal_offset,
5136 });
5137 }
5138
5139 fn draw_occluder(
5140 width: Pixels,
5141 origin: gpui::Point<Pixels>,
5142 window: &mut Window,
5143 cx: &mut App,
5144 ) {
5145 let mut occlusion = div()
5146 .size_full()
5147 .occlude()
5148 .on_mouse_move(|_, _, cx| cx.stop_propagation())
5149 .into_any_element();
5150 occlusion.layout_as_root(size(width, HOVER_POPOVER_GAP).into(), window, cx);
5151 window.defer_draw(occlusion, origin, 2);
5152 }
5153
5154 fn place_popovers_above(
5155 hovered_point: gpui::Point<Pixels>,
5156 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5157 window: &mut Window,
5158 cx: &mut App,
5159 ) {
5160 let mut current_y = hovered_point.y;
5161 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5162 let size = popover.size;
5163 let popover_origin = point(
5164 hovered_point.x + popover.horizontal_offset,
5165 current_y - size.height,
5166 );
5167
5168 window.defer_draw(popover.element, popover_origin, 2);
5169 if position != itertools::Position::Last {
5170 let origin = point(popover_origin.x, popover_origin.y - HOVER_POPOVER_GAP);
5171 draw_occluder(size.width, origin, window, cx);
5172 }
5173
5174 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5175 }
5176 }
5177
5178 fn place_popovers_below(
5179 hovered_point: gpui::Point<Pixels>,
5180 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5181 line_height: Pixels,
5182 window: &mut Window,
5183 cx: &mut App,
5184 ) {
5185 let mut current_y = hovered_point.y + line_height;
5186 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5187 let size = popover.size;
5188 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5189
5190 window.defer_draw(popover.element, popover_origin, 2);
5191 if position != itertools::Position::Last {
5192 let origin = point(popover_origin.x, popover_origin.y + size.height);
5193 draw_occluder(size.width, origin, window, cx);
5194 }
5195
5196 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5197 }
5198 }
5199
5200 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5201 context_menu_layout
5202 .as_ref()
5203 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5204 };
5205
5206 let can_place_above = {
5207 let mut bounds_above = Vec::new();
5208 let mut current_y = hovered_point.y;
5209 for popover in &measured_hover_popovers {
5210 let size = popover.size;
5211 let popover_origin = point(
5212 hovered_point.x + popover.horizontal_offset,
5213 current_y - size.height,
5214 );
5215 bounds_above.push(Bounds::new(popover_origin, size));
5216 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5217 }
5218 bounds_above
5219 .iter()
5220 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5221 };
5222
5223 let can_place_below = || {
5224 let mut bounds_below = Vec::new();
5225 let mut current_y = hovered_point.y + line_height;
5226 for popover in &measured_hover_popovers {
5227 let size = popover.size;
5228 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5229 bounds_below.push(Bounds::new(popover_origin, size));
5230 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5231 }
5232 bounds_below
5233 .iter()
5234 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5235 };
5236
5237 if can_place_above {
5238 // try placing above hovered point
5239 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5240 } else if can_place_below() {
5241 // try placing below hovered point
5242 place_popovers_below(
5243 hovered_point,
5244 measured_hover_popovers,
5245 line_height,
5246 window,
5247 cx,
5248 );
5249 } else {
5250 // try to place popovers around the context menu
5251 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5252 let total_width = measured_hover_popovers
5253 .iter()
5254 .map(|p| p.size.width)
5255 .max()
5256 .unwrap_or(Pixels::ZERO);
5257 let y_for_horizontal_positioning = if menu.y_flipped {
5258 menu.bounds.bottom() - overall_height
5259 } else {
5260 menu.bounds.top()
5261 };
5262 let possible_origins = vec![
5263 // left of context menu
5264 point(
5265 menu.bounds.left() - total_width - HOVER_POPOVER_GAP,
5266 y_for_horizontal_positioning,
5267 ),
5268 // right of context menu
5269 point(
5270 menu.bounds.right() + HOVER_POPOVER_GAP,
5271 y_for_horizontal_positioning,
5272 ),
5273 // top of context menu
5274 point(
5275 menu.bounds.left(),
5276 menu.bounds.top() - overall_height - HOVER_POPOVER_GAP,
5277 ),
5278 // bottom of context menu
5279 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5280 ];
5281 possible_origins.into_iter().find(|&origin| {
5282 Bounds::new(origin, size(total_width, overall_height))
5283 .is_contained_within(hitbox)
5284 })
5285 });
5286 if let Some(origin) = origin_surrounding_menu {
5287 let mut current_y = origin.y;
5288 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5289 let size = popover.size;
5290 let popover_origin = point(origin.x, current_y);
5291
5292 window.defer_draw(popover.element, popover_origin, 2);
5293 if position != itertools::Position::Last {
5294 let origin = point(popover_origin.x, popover_origin.y + size.height);
5295 draw_occluder(size.width, origin, window, cx);
5296 }
5297
5298 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5299 }
5300 } else {
5301 // fallback to existing above/below cursor logic
5302 // this might overlap menu or overflow in rare case
5303 if can_place_above {
5304 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5305 } else {
5306 place_popovers_below(
5307 hovered_point,
5308 measured_hover_popovers,
5309 line_height,
5310 window,
5311 cx,
5312 );
5313 }
5314 }
5315 }
5316 }
5317
5318 fn layout_diff_hunk_controls(
5319 &self,
5320 row_range: Range<DisplayRow>,
5321 row_infos: &[RowInfo],
5322 text_hitbox: &Hitbox,
5323 newest_cursor_position: Option<DisplayPoint>,
5324 line_height: Pixels,
5325 right_margin: Pixels,
5326 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5327 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
5328 highlighted_rows: &BTreeMap<DisplayRow, LineHighlight>,
5329 editor: Entity<Editor>,
5330 window: &mut Window,
5331 cx: &mut App,
5332 ) -> (Vec<AnyElement>, Vec<(DisplayRow, Bounds<Pixels>)>) {
5333 let render_diff_hunk_controls = editor.read(cx).render_diff_hunk_controls.clone();
5334 let hovered_diff_hunk_row = editor.read(cx).hovered_diff_hunk_row;
5335
5336 let mut controls = vec![];
5337 let mut control_bounds = vec![];
5338
5339 let active_positions = [
5340 hovered_diff_hunk_row.map(|row| DisplayPoint::new(row, 0)),
5341 newest_cursor_position,
5342 ];
5343
5344 for (hunk, _) in display_hunks {
5345 if let DisplayDiffHunk::Unfolded {
5346 display_row_range,
5347 multi_buffer_range,
5348 status,
5349 is_created_file,
5350 ..
5351 } = &hunk
5352 {
5353 if display_row_range.start < row_range.start
5354 || display_row_range.start >= row_range.end
5355 {
5356 continue;
5357 }
5358 if highlighted_rows
5359 .get(&display_row_range.start)
5360 .and_then(|highlight| highlight.type_id)
5361 .is_some_and(|type_id| {
5362 [
5363 TypeId::of::<ConflictsOuter>(),
5364 TypeId::of::<ConflictsOursMarker>(),
5365 TypeId::of::<ConflictsOurs>(),
5366 TypeId::of::<ConflictsTheirs>(),
5367 TypeId::of::<ConflictsTheirsMarker>(),
5368 ]
5369 .contains(&type_id)
5370 })
5371 {
5372 continue;
5373 }
5374 let row_ix = (display_row_range.start - row_range.start).0 as usize;
5375 if row_infos[row_ix].diff_status.is_none() {
5376 continue;
5377 }
5378 if row_infos[row_ix]
5379 .diff_status
5380 .is_some_and(|status| status.is_added())
5381 && !status.is_added()
5382 {
5383 continue;
5384 }
5385
5386 if active_positions
5387 .iter()
5388 .any(|p| p.is_some_and(|p| display_row_range.contains(&p.row())))
5389 {
5390 let y = (display_row_range.start.as_f64()
5391 * ScrollPixelOffset::from(line_height)
5392 + ScrollPixelOffset::from(text_hitbox.bounds.top())
5393 - scroll_pixel_position.y)
5394 .into();
5395
5396 let mut element = render_diff_hunk_controls(
5397 display_row_range.start.0,
5398 status,
5399 multi_buffer_range.clone(),
5400 *is_created_file,
5401 line_height,
5402 &editor,
5403 window,
5404 cx,
5405 );
5406 let size =
5407 element.layout_as_root(size(px(100.0), line_height).into(), window, cx);
5408
5409 let x = text_hitbox.bounds.right() - right_margin - px(10.) - size.width;
5410
5411 let bounds = Bounds::new(gpui::Point::new(x, y), size);
5412 control_bounds.push((display_row_range.start, bounds));
5413
5414 window.with_absolute_element_offset(gpui::Point::new(x, y), |window| {
5415 element.prepaint(window, cx)
5416 });
5417 controls.push(element);
5418 }
5419 }
5420 }
5421
5422 (controls, control_bounds)
5423 }
5424
5425 fn layout_signature_help(
5426 &self,
5427 hitbox: &Hitbox,
5428 content_origin: gpui::Point<Pixels>,
5429 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5430 newest_selection_head: Option<DisplayPoint>,
5431 start_row: DisplayRow,
5432 line_layouts: &[LineWithInvisibles],
5433 line_height: Pixels,
5434 em_width: Pixels,
5435 context_menu_layout: Option<ContextMenuLayout>,
5436 window: &mut Window,
5437 cx: &mut App,
5438 ) {
5439 if !self.editor.focus_handle(cx).is_focused(window) {
5440 return;
5441 }
5442 let Some(newest_selection_head) = newest_selection_head else {
5443 return;
5444 };
5445
5446 let max_size = size(
5447 (120. * em_width) // Default size
5448 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5449 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5450 (16. * line_height) // Default size
5451 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5452 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5453 );
5454
5455 let maybe_element = self.editor.update(cx, |editor, cx| {
5456 if let Some(popover) = editor.signature_help_state.popover_mut() {
5457 let element = popover.render(max_size, window, cx);
5458 Some(element)
5459 } else {
5460 None
5461 }
5462 });
5463 let Some(mut element) = maybe_element else {
5464 return;
5465 };
5466
5467 let selection_row = newest_selection_head.row();
5468 let Some(cursor_row_layout) = (selection_row >= start_row)
5469 .then(|| line_layouts.get(selection_row.minus(start_row) as usize))
5470 .flatten()
5471 else {
5472 return;
5473 };
5474
5475 let target_x = cursor_row_layout.x_for_index(newest_selection_head.column() as usize)
5476 - Pixels::from(scroll_pixel_position.x);
5477 let target_y = Pixels::from(
5478 selection_row.as_f64() * ScrollPixelOffset::from(line_height) - scroll_pixel_position.y,
5479 );
5480 let target_point = content_origin + point(target_x, target_y);
5481
5482 let actual_size = element.layout_as_root(Size::<AvailableSpace>::default(), window, cx);
5483
5484 let (popover_bounds_above, popover_bounds_below) = {
5485 let horizontal_offset = (hitbox.top_right().x
5486 - POPOVER_RIGHT_OFFSET
5487 - (target_point.x + actual_size.width))
5488 .min(Pixels::ZERO);
5489 let initial_x = target_point.x + horizontal_offset;
5490 (
5491 Bounds::new(
5492 point(initial_x, target_point.y - actual_size.height),
5493 actual_size,
5494 ),
5495 Bounds::new(
5496 point(initial_x, target_point.y + line_height + HOVER_POPOVER_GAP),
5497 actual_size,
5498 ),
5499 )
5500 };
5501
5502 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5503 context_menu_layout
5504 .as_ref()
5505 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5506 };
5507
5508 let final_origin = if popover_bounds_above.is_contained_within(hitbox)
5509 && !intersects_menu(popover_bounds_above)
5510 {
5511 // try placing above cursor
5512 popover_bounds_above.origin
5513 } else if popover_bounds_below.is_contained_within(hitbox)
5514 && !intersects_menu(popover_bounds_below)
5515 {
5516 // try placing below cursor
5517 popover_bounds_below.origin
5518 } else {
5519 // try surrounding context menu if exists
5520 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5521 let y_for_horizontal_positioning = if menu.y_flipped {
5522 menu.bounds.bottom() - actual_size.height
5523 } else {
5524 menu.bounds.top()
5525 };
5526 let possible_origins = vec![
5527 // left of context menu
5528 point(
5529 menu.bounds.left() - actual_size.width - HOVER_POPOVER_GAP,
5530 y_for_horizontal_positioning,
5531 ),
5532 // right of context menu
5533 point(
5534 menu.bounds.right() + HOVER_POPOVER_GAP,
5535 y_for_horizontal_positioning,
5536 ),
5537 // top of context menu
5538 point(
5539 menu.bounds.left(),
5540 menu.bounds.top() - actual_size.height - HOVER_POPOVER_GAP,
5541 ),
5542 // bottom of context menu
5543 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5544 ];
5545 possible_origins
5546 .into_iter()
5547 .find(|&origin| Bounds::new(origin, actual_size).is_contained_within(hitbox))
5548 });
5549 origin_surrounding_menu.unwrap_or_else(|| {
5550 // fallback to existing above/below cursor logic
5551 // this might overlap menu or overflow in rare case
5552 if popover_bounds_above.is_contained_within(hitbox) {
5553 popover_bounds_above.origin
5554 } else {
5555 popover_bounds_below.origin
5556 }
5557 })
5558 };
5559
5560 window.defer_draw(element, final_origin, 2);
5561 }
5562
5563 fn paint_background(&self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
5564 window.paint_layer(layout.hitbox.bounds, |window| {
5565 let scroll_top = layout.position_map.snapshot.scroll_position().y;
5566 let gutter_bg = cx.theme().colors().editor_gutter_background;
5567 window.paint_quad(fill(layout.gutter_hitbox.bounds, gutter_bg));
5568 window.paint_quad(fill(
5569 layout.position_map.text_hitbox.bounds,
5570 self.style.background,
5571 ));
5572
5573 if matches!(
5574 layout.mode,
5575 EditorMode::Full { .. } | EditorMode::Minimap { .. }
5576 ) {
5577 let show_active_line_background = match layout.mode {
5578 EditorMode::Full {
5579 show_active_line_background,
5580 ..
5581 } => show_active_line_background,
5582 EditorMode::Minimap { .. } => true,
5583 _ => false,
5584 };
5585 let mut active_rows = layout.active_rows.iter().peekable();
5586 while let Some((start_row, contains_non_empty_selection)) = active_rows.next() {
5587 let mut end_row = start_row.0;
5588 while active_rows
5589 .peek()
5590 .is_some_and(|(active_row, has_selection)| {
5591 active_row.0 == end_row + 1
5592 && has_selection.selection == contains_non_empty_selection.selection
5593 })
5594 {
5595 active_rows.next().unwrap();
5596 end_row += 1;
5597 }
5598
5599 if show_active_line_background && !contains_non_empty_selection.selection {
5600 let highlight_h_range =
5601 match layout.position_map.snapshot.current_line_highlight {
5602 CurrentLineHighlight::Gutter => Some(Range {
5603 start: layout.hitbox.left(),
5604 end: layout.gutter_hitbox.right(),
5605 }),
5606 CurrentLineHighlight::Line => Some(Range {
5607 start: layout.position_map.text_hitbox.bounds.left(),
5608 end: layout.position_map.text_hitbox.bounds.right(),
5609 }),
5610 CurrentLineHighlight::All => Some(Range {
5611 start: layout.hitbox.left(),
5612 end: layout.hitbox.right(),
5613 }),
5614 CurrentLineHighlight::None => None,
5615 };
5616 if let Some(range) = highlight_h_range {
5617 let active_line_bg = cx.theme().colors().editor_active_line_background;
5618 let bounds = Bounds {
5619 origin: point(
5620 range.start,
5621 layout.hitbox.origin.y
5622 + Pixels::from(
5623 (start_row.as_f64() - scroll_top)
5624 * ScrollPixelOffset::from(
5625 layout.position_map.line_height,
5626 ),
5627 ),
5628 ),
5629 size: size(
5630 range.end - range.start,
5631 layout.position_map.line_height
5632 * (end_row - start_row.0 + 1) as f32,
5633 ),
5634 };
5635 window.paint_quad(fill(bounds, active_line_bg));
5636 }
5637 }
5638 }
5639
5640 let mut paint_highlight = |highlight_row_start: DisplayRow,
5641 highlight_row_end: DisplayRow,
5642 highlight: crate::LineHighlight,
5643 edges| {
5644 let mut origin_x = layout.hitbox.left();
5645 let mut width = layout.hitbox.size.width;
5646 if !highlight.include_gutter {
5647 origin_x += layout.gutter_hitbox.size.width;
5648 width -= layout.gutter_hitbox.size.width;
5649 }
5650
5651 let origin = point(
5652 origin_x,
5653 layout.hitbox.origin.y
5654 + Pixels::from(
5655 (highlight_row_start.as_f64() - scroll_top)
5656 * ScrollPixelOffset::from(layout.position_map.line_height),
5657 ),
5658 );
5659 let size = size(
5660 width,
5661 layout.position_map.line_height
5662 * highlight_row_end.next_row().minus(highlight_row_start) as f32,
5663 );
5664 let mut quad = fill(Bounds { origin, size }, highlight.background);
5665 if let Some(border_color) = highlight.border {
5666 quad.border_color = border_color;
5667 quad.border_widths = edges
5668 }
5669 window.paint_quad(quad);
5670 };
5671
5672 let mut current_paint: Option<(LineHighlight, Range<DisplayRow>, Edges<Pixels>)> =
5673 None;
5674 for (&new_row, &new_background) in &layout.highlighted_rows {
5675 match &mut current_paint {
5676 &mut Some((current_background, ref mut current_range, mut edges)) => {
5677 let new_range_started = current_background != new_background
5678 || current_range.end.next_row() != new_row;
5679 if new_range_started {
5680 if current_range.end.next_row() == new_row {
5681 edges.bottom = px(0.);
5682 };
5683 paint_highlight(
5684 current_range.start,
5685 current_range.end,
5686 current_background,
5687 edges,
5688 );
5689 let edges = Edges {
5690 top: if current_range.end.next_row() != new_row {
5691 px(1.)
5692 } else {
5693 px(0.)
5694 },
5695 bottom: px(1.),
5696 ..Default::default()
5697 };
5698 current_paint = Some((new_background, new_row..new_row, edges));
5699 continue;
5700 } else {
5701 current_range.end = current_range.end.next_row();
5702 }
5703 }
5704 None => {
5705 let edges = Edges {
5706 top: px(1.),
5707 bottom: px(1.),
5708 ..Default::default()
5709 };
5710 current_paint = Some((new_background, new_row..new_row, edges))
5711 }
5712 };
5713 }
5714 if let Some((color, range, edges)) = current_paint {
5715 paint_highlight(range.start, range.end, color, edges);
5716 }
5717
5718 for (guide_x, active) in layout.wrap_guides.iter() {
5719 let color = if *active {
5720 cx.theme().colors().editor_active_wrap_guide
5721 } else {
5722 cx.theme().colors().editor_wrap_guide
5723 };
5724 window.paint_quad(fill(
5725 Bounds {
5726 origin: point(*guide_x, layout.position_map.text_hitbox.origin.y),
5727 size: size(px(1.), layout.position_map.text_hitbox.size.height),
5728 },
5729 color,
5730 ));
5731 }
5732 }
5733 })
5734 }
5735
5736 fn paint_indent_guides(
5737 &mut self,
5738 layout: &mut EditorLayout,
5739 window: &mut Window,
5740 cx: &mut App,
5741 ) {
5742 let Some(indent_guides) = &layout.indent_guides else {
5743 return;
5744 };
5745
5746 let faded_color = |color: Hsla, alpha: f32| {
5747 let mut faded = color;
5748 faded.a = alpha;
5749 faded
5750 };
5751
5752 for indent_guide in indent_guides {
5753 let indent_accent_colors = cx.theme().accents().color_for_index(indent_guide.depth);
5754 let settings = &indent_guide.settings;
5755
5756 // TODO fixed for now, expose them through themes later
5757 const INDENT_AWARE_ALPHA: f32 = 0.2;
5758 const INDENT_AWARE_ACTIVE_ALPHA: f32 = 0.4;
5759 const INDENT_AWARE_BACKGROUND_ALPHA: f32 = 0.1;
5760 const INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA: f32 = 0.2;
5761
5762 let line_color = match (settings.coloring, indent_guide.active) {
5763 (IndentGuideColoring::Disabled, _) => None,
5764 (IndentGuideColoring::Fixed, false) => {
5765 Some(cx.theme().colors().editor_indent_guide)
5766 }
5767 (IndentGuideColoring::Fixed, true) => {
5768 Some(cx.theme().colors().editor_indent_guide_active)
5769 }
5770 (IndentGuideColoring::IndentAware, false) => {
5771 Some(faded_color(indent_accent_colors, INDENT_AWARE_ALPHA))
5772 }
5773 (IndentGuideColoring::IndentAware, true) => {
5774 Some(faded_color(indent_accent_colors, INDENT_AWARE_ACTIVE_ALPHA))
5775 }
5776 };
5777
5778 let background_color = match (settings.background_coloring, indent_guide.active) {
5779 (IndentGuideBackgroundColoring::Disabled, _) => None,
5780 (IndentGuideBackgroundColoring::IndentAware, false) => Some(faded_color(
5781 indent_accent_colors,
5782 INDENT_AWARE_BACKGROUND_ALPHA,
5783 )),
5784 (IndentGuideBackgroundColoring::IndentAware, true) => Some(faded_color(
5785 indent_accent_colors,
5786 INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA,
5787 )),
5788 };
5789
5790 let requested_line_width = if indent_guide.active {
5791 settings.active_line_width
5792 } else {
5793 settings.line_width
5794 }
5795 .clamp(1, 10);
5796 let mut line_indicator_width = 0.;
5797 if let Some(color) = line_color {
5798 window.paint_quad(fill(
5799 Bounds {
5800 origin: indent_guide.origin,
5801 size: size(px(requested_line_width as f32), indent_guide.length),
5802 },
5803 color,
5804 ));
5805 line_indicator_width = requested_line_width as f32;
5806 }
5807
5808 if let Some(color) = background_color {
5809 let width = indent_guide.single_indent_width - px(line_indicator_width);
5810 window.paint_quad(fill(
5811 Bounds {
5812 origin: point(
5813 indent_guide.origin.x + px(line_indicator_width),
5814 indent_guide.origin.y,
5815 ),
5816 size: size(width, indent_guide.length),
5817 },
5818 color,
5819 ));
5820 }
5821 }
5822 }
5823
5824 fn paint_line_numbers(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5825 let is_singleton = self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
5826
5827 let line_height = layout.position_map.line_height;
5828 window.set_cursor_style(CursorStyle::Arrow, &layout.gutter_hitbox);
5829
5830 for LineNumberLayout {
5831 shaped_line,
5832 hitbox,
5833 } in layout.line_numbers.values()
5834 {
5835 let Some(hitbox) = hitbox else {
5836 continue;
5837 };
5838
5839 let Some(()) = (if !is_singleton && hitbox.is_hovered(window) {
5840 let color = cx.theme().colors().editor_hover_line_number;
5841
5842 let line = self.shape_line_number(shaped_line.text.clone(), color, window);
5843 line.paint(hitbox.origin, line_height, window, cx).log_err()
5844 } else {
5845 shaped_line
5846 .paint(hitbox.origin, line_height, window, cx)
5847 .log_err()
5848 }) else {
5849 continue;
5850 };
5851
5852 // In singleton buffers, we select corresponding lines on the line number click, so use | -like cursor.
5853 // In multi buffers, we open file at the line number clicked, so use a pointing hand cursor.
5854 if is_singleton {
5855 window.set_cursor_style(CursorStyle::IBeam, hitbox);
5856 } else {
5857 window.set_cursor_style(CursorStyle::PointingHand, hitbox);
5858 }
5859 }
5860 }
5861
5862 fn paint_gutter_diff_hunks(layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5863 if layout.display_hunks.is_empty() {
5864 return;
5865 }
5866
5867 let line_height = layout.position_map.line_height;
5868 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5869 for (hunk, hitbox) in &layout.display_hunks {
5870 let hunk_to_paint = match hunk {
5871 DisplayDiffHunk::Folded { .. } => {
5872 let hunk_bounds = Self::diff_hunk_bounds(
5873 &layout.position_map.snapshot,
5874 line_height,
5875 layout.gutter_hitbox.bounds,
5876 hunk,
5877 );
5878 Some((
5879 hunk_bounds,
5880 cx.theme().colors().version_control_modified,
5881 Corners::all(px(0.)),
5882 DiffHunkStatus::modified_none(),
5883 ))
5884 }
5885 DisplayDiffHunk::Unfolded {
5886 status,
5887 display_row_range,
5888 ..
5889 } => hitbox.as_ref().map(|hunk_hitbox| match status.kind {
5890 DiffHunkStatusKind::Added => (
5891 hunk_hitbox.bounds,
5892 cx.theme().colors().version_control_added,
5893 Corners::all(px(0.)),
5894 *status,
5895 ),
5896 DiffHunkStatusKind::Modified => (
5897 hunk_hitbox.bounds,
5898 cx.theme().colors().version_control_modified,
5899 Corners::all(px(0.)),
5900 *status,
5901 ),
5902 DiffHunkStatusKind::Deleted if !display_row_range.is_empty() => (
5903 hunk_hitbox.bounds,
5904 cx.theme().colors().version_control_deleted,
5905 Corners::all(px(0.)),
5906 *status,
5907 ),
5908 DiffHunkStatusKind::Deleted => (
5909 Bounds::new(
5910 point(
5911 hunk_hitbox.origin.x - hunk_hitbox.size.width,
5912 hunk_hitbox.origin.y,
5913 ),
5914 size(hunk_hitbox.size.width * 2., hunk_hitbox.size.height),
5915 ),
5916 cx.theme().colors().version_control_deleted,
5917 Corners::all(1. * line_height),
5918 *status,
5919 ),
5920 }),
5921 };
5922
5923 if let Some((hunk_bounds, background_color, corner_radii, status)) = hunk_to_paint {
5924 // Flatten the background color with the editor color to prevent
5925 // elements below transparent hunks from showing through
5926 let flattened_background_color = cx
5927 .theme()
5928 .colors()
5929 .editor_background
5930 .blend(background_color);
5931
5932 if !Self::diff_hunk_hollow(status, cx) {
5933 window.paint_quad(quad(
5934 hunk_bounds,
5935 corner_radii,
5936 flattened_background_color,
5937 Edges::default(),
5938 transparent_black(),
5939 BorderStyle::default(),
5940 ));
5941 } else {
5942 let flattened_unstaged_background_color = cx
5943 .theme()
5944 .colors()
5945 .editor_background
5946 .blend(background_color.opacity(0.3));
5947
5948 window.paint_quad(quad(
5949 hunk_bounds,
5950 corner_radii,
5951 flattened_unstaged_background_color,
5952 Edges::all(px(1.0)),
5953 flattened_background_color,
5954 BorderStyle::Solid,
5955 ));
5956 }
5957 }
5958 }
5959 });
5960 }
5961
5962 fn gutter_strip_width(line_height: Pixels) -> Pixels {
5963 (0.275 * line_height).floor()
5964 }
5965
5966 fn diff_hunk_bounds(
5967 snapshot: &EditorSnapshot,
5968 line_height: Pixels,
5969 gutter_bounds: Bounds<Pixels>,
5970 hunk: &DisplayDiffHunk,
5971 ) -> Bounds<Pixels> {
5972 let scroll_position = snapshot.scroll_position();
5973 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
5974 let gutter_strip_width = Self::gutter_strip_width(line_height);
5975
5976 match hunk {
5977 DisplayDiffHunk::Folded { display_row, .. } => {
5978 let start_y = (display_row.as_f64() * ScrollPixelOffset::from(line_height)
5979 - scroll_top)
5980 .into();
5981 let end_y = start_y + line_height;
5982 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
5983 let highlight_size = size(gutter_strip_width, end_y - start_y);
5984 Bounds::new(highlight_origin, highlight_size)
5985 }
5986 DisplayDiffHunk::Unfolded {
5987 display_row_range,
5988 status,
5989 ..
5990 } => {
5991 if status.is_deleted() && display_row_range.is_empty() {
5992 let row = display_row_range.start;
5993
5994 let offset = ScrollPixelOffset::from(line_height / 2.);
5995 let start_y =
5996 (row.as_f64() * ScrollPixelOffset::from(line_height) - offset - scroll_top)
5997 .into();
5998 let end_y = start_y + line_height;
5999
6000 let width = (0.35 * line_height).floor();
6001 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6002 let highlight_size = size(width, end_y - start_y);
6003 Bounds::new(highlight_origin, highlight_size)
6004 } else {
6005 let start_row = display_row_range.start;
6006 let end_row = display_row_range.end;
6007 // If we're in a multibuffer, row range span might include an
6008 // excerpt header, so if we were to draw the marker straight away,
6009 // the hunk might include the rows of that header.
6010 // Making the range inclusive doesn't quite cut it, as we rely on the exclusivity for the soft wrap.
6011 // Instead, we simply check whether the range we're dealing with includes
6012 // any excerpt headers and if so, we stop painting the diff hunk on the first row of that header.
6013 let end_row_in_current_excerpt = snapshot
6014 .blocks_in_range(start_row..end_row)
6015 .find_map(|(start_row, block)| {
6016 if matches!(
6017 block,
6018 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
6019 ) {
6020 Some(start_row)
6021 } else {
6022 None
6023 }
6024 })
6025 .unwrap_or(end_row);
6026
6027 let start_y = (start_row.as_f64() * ScrollPixelOffset::from(line_height)
6028 - scroll_top)
6029 .into();
6030 let end_y = Pixels::from(
6031 end_row_in_current_excerpt.as_f64() * ScrollPixelOffset::from(line_height)
6032 - scroll_top,
6033 );
6034
6035 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6036 let highlight_size = size(gutter_strip_width, end_y - start_y);
6037 Bounds::new(highlight_origin, highlight_size)
6038 }
6039 }
6040 }
6041 }
6042
6043 fn paint_gutter_indicators(
6044 &self,
6045 layout: &mut EditorLayout,
6046 window: &mut Window,
6047 cx: &mut App,
6048 ) {
6049 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6050 window.with_element_namespace("crease_toggles", |window| {
6051 for crease_toggle in layout.crease_toggles.iter_mut().flatten() {
6052 crease_toggle.paint(window, cx);
6053 }
6054 });
6055
6056 window.with_element_namespace("expand_toggles", |window| {
6057 for (expand_toggle, _) in layout.expand_toggles.iter_mut().flatten() {
6058 expand_toggle.paint(window, cx);
6059 }
6060 });
6061
6062 for breakpoint in layout.breakpoints.iter_mut() {
6063 breakpoint.paint(window, cx);
6064 }
6065
6066 for test_indicator in layout.test_indicators.iter_mut() {
6067 test_indicator.paint(window, cx);
6068 }
6069 });
6070 }
6071
6072 fn paint_gutter_highlights(
6073 &self,
6074 layout: &mut EditorLayout,
6075 window: &mut Window,
6076 cx: &mut App,
6077 ) {
6078 for (_, hunk_hitbox) in &layout.display_hunks {
6079 if let Some(hunk_hitbox) = hunk_hitbox
6080 && !self
6081 .editor
6082 .read(cx)
6083 .buffer()
6084 .read(cx)
6085 .all_diff_hunks_expanded()
6086 {
6087 window.set_cursor_style(CursorStyle::PointingHand, hunk_hitbox);
6088 }
6089 }
6090
6091 let show_git_gutter = layout
6092 .position_map
6093 .snapshot
6094 .show_git_diff_gutter
6095 .unwrap_or_else(|| {
6096 matches!(
6097 ProjectSettings::get_global(cx).git.git_gutter,
6098 GitGutterSetting::TrackedFiles
6099 )
6100 });
6101 if show_git_gutter {
6102 Self::paint_gutter_diff_hunks(layout, window, cx)
6103 }
6104
6105 let highlight_width = 0.275 * layout.position_map.line_height;
6106 let highlight_corner_radii = Corners::all(0.05 * layout.position_map.line_height);
6107 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6108 for (range, color) in &layout.highlighted_gutter_ranges {
6109 let start_row = if range.start.row() < layout.visible_display_row_range.start {
6110 layout.visible_display_row_range.start - DisplayRow(1)
6111 } else {
6112 range.start.row()
6113 };
6114 let end_row = if range.end.row() > layout.visible_display_row_range.end {
6115 layout.visible_display_row_range.end + DisplayRow(1)
6116 } else {
6117 range.end.row()
6118 };
6119
6120 let start_y = layout.gutter_hitbox.top()
6121 + Pixels::from(
6122 start_row.0 as f64
6123 * ScrollPixelOffset::from(layout.position_map.line_height)
6124 - layout.position_map.scroll_pixel_position.y,
6125 );
6126 let end_y = layout.gutter_hitbox.top()
6127 + Pixels::from(
6128 (end_row.0 + 1) as f64
6129 * ScrollPixelOffset::from(layout.position_map.line_height)
6130 - layout.position_map.scroll_pixel_position.y,
6131 );
6132 let bounds = Bounds::from_corners(
6133 point(layout.gutter_hitbox.left(), start_y),
6134 point(layout.gutter_hitbox.left() + highlight_width, end_y),
6135 );
6136 window.paint_quad(fill(bounds, *color).corner_radii(highlight_corner_radii));
6137 }
6138 });
6139 }
6140
6141 fn paint_blamed_display_rows(
6142 &self,
6143 layout: &mut EditorLayout,
6144 window: &mut Window,
6145 cx: &mut App,
6146 ) {
6147 let Some(blamed_display_rows) = layout.blamed_display_rows.take() else {
6148 return;
6149 };
6150
6151 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6152 for mut blame_element in blamed_display_rows.into_iter() {
6153 blame_element.paint(window, cx);
6154 }
6155 })
6156 }
6157
6158 fn paint_text(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6159 window.with_content_mask(
6160 Some(ContentMask {
6161 bounds: layout.position_map.text_hitbox.bounds,
6162 }),
6163 |window| {
6164 let editor = self.editor.read(cx);
6165 if editor.mouse_cursor_hidden {
6166 window.set_window_cursor_style(CursorStyle::None);
6167 } else if let SelectionDragState::ReadyToDrag {
6168 mouse_down_time, ..
6169 } = &editor.selection_drag_state
6170 {
6171 let drag_and_drop_delay = Duration::from_millis(
6172 EditorSettings::get_global(cx).drag_and_drop_selection.delay,
6173 );
6174 if mouse_down_time.elapsed() >= drag_and_drop_delay {
6175 window.set_cursor_style(
6176 CursorStyle::DragCopy,
6177 &layout.position_map.text_hitbox,
6178 );
6179 }
6180 } else if matches!(
6181 editor.selection_drag_state,
6182 SelectionDragState::Dragging { .. }
6183 ) {
6184 window
6185 .set_cursor_style(CursorStyle::DragCopy, &layout.position_map.text_hitbox);
6186 } else if editor
6187 .hovered_link_state
6188 .as_ref()
6189 .is_some_and(|hovered_link_state| !hovered_link_state.links.is_empty())
6190 {
6191 window.set_cursor_style(
6192 CursorStyle::PointingHand,
6193 &layout.position_map.text_hitbox,
6194 );
6195 } else {
6196 window.set_cursor_style(CursorStyle::IBeam, &layout.position_map.text_hitbox);
6197 };
6198
6199 self.paint_lines_background(layout, window, cx);
6200 let invisible_display_ranges = self.paint_highlights(layout, window, cx);
6201 self.paint_document_colors(layout, window);
6202 self.paint_lines(&invisible_display_ranges, layout, window, cx);
6203 self.paint_redactions(layout, window);
6204 self.paint_cursors(layout, window, cx);
6205 self.paint_inline_diagnostics(layout, window, cx);
6206 self.paint_inline_blame(layout, window, cx);
6207 self.paint_inline_code_actions(layout, window, cx);
6208 self.paint_diff_hunk_controls(layout, window, cx);
6209 window.with_element_namespace("crease_trailers", |window| {
6210 for trailer in layout.crease_trailers.iter_mut().flatten() {
6211 trailer.element.paint(window, cx);
6212 }
6213 });
6214 },
6215 )
6216 }
6217
6218 fn paint_highlights(
6219 &mut self,
6220 layout: &mut EditorLayout,
6221 window: &mut Window,
6222 cx: &mut App,
6223 ) -> SmallVec<[Range<DisplayPoint>; 32]> {
6224 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6225 let mut invisible_display_ranges = SmallVec::<[Range<DisplayPoint>; 32]>::new();
6226 let line_end_overshoot = 0.15 * layout.position_map.line_height;
6227 for (range, color) in &layout.highlighted_ranges {
6228 self.paint_highlighted_range(
6229 range.clone(),
6230 true,
6231 *color,
6232 Pixels::ZERO,
6233 line_end_overshoot,
6234 layout,
6235 window,
6236 );
6237 }
6238
6239 let corner_radius = if EditorSettings::get_global(cx).rounded_selection {
6240 0.15 * layout.position_map.line_height
6241 } else {
6242 Pixels::ZERO
6243 };
6244
6245 for (player_color, selections) in &layout.selections {
6246 for selection in selections.iter() {
6247 self.paint_highlighted_range(
6248 selection.range.clone(),
6249 true,
6250 player_color.selection,
6251 corner_radius,
6252 corner_radius * 2.,
6253 layout,
6254 window,
6255 );
6256
6257 if selection.is_local && !selection.range.is_empty() {
6258 invisible_display_ranges.push(selection.range.clone());
6259 }
6260 }
6261 }
6262 invisible_display_ranges
6263 })
6264 }
6265
6266 fn paint_lines(
6267 &mut self,
6268 invisible_display_ranges: &[Range<DisplayPoint>],
6269 layout: &mut EditorLayout,
6270 window: &mut Window,
6271 cx: &mut App,
6272 ) {
6273 let whitespace_setting = self
6274 .editor
6275 .read(cx)
6276 .buffer
6277 .read(cx)
6278 .language_settings(cx)
6279 .show_whitespaces;
6280
6281 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6282 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6283 line_with_invisibles.draw(
6284 layout,
6285 row,
6286 layout.content_origin,
6287 whitespace_setting,
6288 invisible_display_ranges,
6289 window,
6290 cx,
6291 )
6292 }
6293
6294 for line_element in &mut layout.line_elements {
6295 line_element.paint(window, cx);
6296 }
6297 }
6298
6299 fn paint_lines_background(
6300 &mut self,
6301 layout: &mut EditorLayout,
6302 window: &mut Window,
6303 cx: &mut App,
6304 ) {
6305 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6306 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6307 line_with_invisibles.draw_background(layout, row, layout.content_origin, window, cx);
6308 }
6309 }
6310
6311 fn paint_redactions(&mut self, layout: &EditorLayout, window: &mut Window) {
6312 if layout.redacted_ranges.is_empty() {
6313 return;
6314 }
6315
6316 let line_end_overshoot = layout.line_end_overshoot();
6317
6318 // A softer than perfect black
6319 let redaction_color = gpui::rgb(0x0e1111);
6320
6321 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6322 for range in layout.redacted_ranges.iter() {
6323 self.paint_highlighted_range(
6324 range.clone(),
6325 true,
6326 redaction_color.into(),
6327 Pixels::ZERO,
6328 line_end_overshoot,
6329 layout,
6330 window,
6331 );
6332 }
6333 });
6334 }
6335
6336 fn paint_document_colors(&self, layout: &mut EditorLayout, window: &mut Window) {
6337 let Some((colors_render_mode, image_colors)) = &layout.document_colors else {
6338 return;
6339 };
6340 if image_colors.is_empty()
6341 || colors_render_mode == &DocumentColorsRenderMode::None
6342 || colors_render_mode == &DocumentColorsRenderMode::Inlay
6343 {
6344 return;
6345 }
6346
6347 let line_end_overshoot = layout.line_end_overshoot();
6348
6349 for (range, color) in image_colors {
6350 match colors_render_mode {
6351 DocumentColorsRenderMode::Inlay | DocumentColorsRenderMode::None => return,
6352 DocumentColorsRenderMode::Background => {
6353 self.paint_highlighted_range(
6354 range.clone(),
6355 true,
6356 *color,
6357 Pixels::ZERO,
6358 line_end_overshoot,
6359 layout,
6360 window,
6361 );
6362 }
6363 DocumentColorsRenderMode::Border => {
6364 self.paint_highlighted_range(
6365 range.clone(),
6366 false,
6367 *color,
6368 Pixels::ZERO,
6369 line_end_overshoot,
6370 layout,
6371 window,
6372 );
6373 }
6374 }
6375 }
6376 }
6377
6378 fn paint_cursors(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6379 for cursor in &mut layout.visible_cursors {
6380 cursor.paint(layout.content_origin, window, cx);
6381 }
6382 }
6383
6384 fn paint_scrollbars(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6385 let Some(scrollbars_layout) = layout.scrollbars_layout.take() else {
6386 return;
6387 };
6388 let any_scrollbar_dragged = self.editor.read(cx).scroll_manager.any_scrollbar_dragged();
6389
6390 for (scrollbar_layout, axis) in scrollbars_layout.iter_scrollbars() {
6391 let hitbox = &scrollbar_layout.hitbox;
6392 if scrollbars_layout.visible {
6393 let scrollbar_edges = match axis {
6394 ScrollbarAxis::Horizontal => Edges {
6395 top: Pixels::ZERO,
6396 right: Pixels::ZERO,
6397 bottom: Pixels::ZERO,
6398 left: Pixels::ZERO,
6399 },
6400 ScrollbarAxis::Vertical => Edges {
6401 top: Pixels::ZERO,
6402 right: Pixels::ZERO,
6403 bottom: Pixels::ZERO,
6404 left: ScrollbarLayout::BORDER_WIDTH,
6405 },
6406 };
6407
6408 window.paint_layer(hitbox.bounds, |window| {
6409 window.paint_quad(quad(
6410 hitbox.bounds,
6411 Corners::default(),
6412 cx.theme().colors().scrollbar_track_background,
6413 scrollbar_edges,
6414 cx.theme().colors().scrollbar_track_border,
6415 BorderStyle::Solid,
6416 ));
6417
6418 if axis == ScrollbarAxis::Vertical {
6419 let fast_markers =
6420 self.collect_fast_scrollbar_markers(layout, scrollbar_layout, cx);
6421 // Refresh slow scrollbar markers in the background. Below, we
6422 // paint whatever markers have already been computed.
6423 self.refresh_slow_scrollbar_markers(layout, scrollbar_layout, window, cx);
6424
6425 let markers = self.editor.read(cx).scrollbar_marker_state.markers.clone();
6426 for marker in markers.iter().chain(&fast_markers) {
6427 let mut marker = marker.clone();
6428 marker.bounds.origin += hitbox.origin;
6429 window.paint_quad(marker);
6430 }
6431 }
6432
6433 if let Some(thumb_bounds) = scrollbar_layout.thumb_bounds {
6434 let scrollbar_thumb_color = match scrollbar_layout.thumb_state {
6435 ScrollbarThumbState::Dragging => {
6436 cx.theme().colors().scrollbar_thumb_active_background
6437 }
6438 ScrollbarThumbState::Hovered => {
6439 cx.theme().colors().scrollbar_thumb_hover_background
6440 }
6441 ScrollbarThumbState::Idle => {
6442 cx.theme().colors().scrollbar_thumb_background
6443 }
6444 };
6445 window.paint_quad(quad(
6446 thumb_bounds,
6447 Corners::default(),
6448 scrollbar_thumb_color,
6449 scrollbar_edges,
6450 cx.theme().colors().scrollbar_thumb_border,
6451 BorderStyle::Solid,
6452 ));
6453
6454 if any_scrollbar_dragged {
6455 window.set_window_cursor_style(CursorStyle::Arrow);
6456 } else {
6457 window.set_cursor_style(CursorStyle::Arrow, hitbox);
6458 }
6459 }
6460 })
6461 }
6462 }
6463
6464 window.on_mouse_event({
6465 let editor = self.editor.clone();
6466 let scrollbars_layout = scrollbars_layout.clone();
6467
6468 let mut mouse_position = window.mouse_position();
6469 move |event: &MouseMoveEvent, phase, window, cx| {
6470 if phase == DispatchPhase::Capture {
6471 return;
6472 }
6473
6474 editor.update(cx, |editor, cx| {
6475 if let Some((scrollbar_layout, axis)) = event
6476 .pressed_button
6477 .filter(|button| *button == MouseButton::Left)
6478 .and(editor.scroll_manager.dragging_scrollbar_axis())
6479 .and_then(|axis| {
6480 scrollbars_layout
6481 .iter_scrollbars()
6482 .find(|(_, a)| *a == axis)
6483 })
6484 {
6485 let ScrollbarLayout {
6486 hitbox,
6487 text_unit_size,
6488 ..
6489 } = scrollbar_layout;
6490
6491 let old_position = mouse_position.along(axis);
6492 let new_position = event.position.along(axis);
6493 if (hitbox.origin.along(axis)..hitbox.bottom_right().along(axis))
6494 .contains(&old_position)
6495 {
6496 let position = editor.scroll_position(cx).apply_along(axis, |p| {
6497 (p + ScrollOffset::from(
6498 (new_position - old_position) / *text_unit_size,
6499 ))
6500 .max(0.)
6501 });
6502 editor.set_scroll_position(position, window, cx);
6503 }
6504
6505 editor.scroll_manager.show_scrollbars(window, cx);
6506 cx.stop_propagation();
6507 } else if let Some((layout, axis)) = scrollbars_layout
6508 .get_hovered_axis(window)
6509 .filter(|_| !event.dragging())
6510 {
6511 if layout.thumb_hovered(&event.position) {
6512 editor
6513 .scroll_manager
6514 .set_hovered_scroll_thumb_axis(axis, cx);
6515 } else {
6516 editor.scroll_manager.reset_scrollbar_state(cx);
6517 }
6518
6519 editor.scroll_manager.show_scrollbars(window, cx);
6520 } else {
6521 editor.scroll_manager.reset_scrollbar_state(cx);
6522 }
6523
6524 mouse_position = event.position;
6525 })
6526 }
6527 });
6528
6529 if any_scrollbar_dragged {
6530 window.on_mouse_event({
6531 let editor = self.editor.clone();
6532 move |_: &MouseUpEvent, phase, window, cx| {
6533 if phase == DispatchPhase::Capture {
6534 return;
6535 }
6536
6537 editor.update(cx, |editor, cx| {
6538 if let Some((_, axis)) = scrollbars_layout.get_hovered_axis(window) {
6539 editor
6540 .scroll_manager
6541 .set_hovered_scroll_thumb_axis(axis, cx);
6542 } else {
6543 editor.scroll_manager.reset_scrollbar_state(cx);
6544 }
6545 cx.stop_propagation();
6546 });
6547 }
6548 });
6549 } else {
6550 window.on_mouse_event({
6551 let editor = self.editor.clone();
6552
6553 move |event: &MouseDownEvent, phase, window, cx| {
6554 if phase == DispatchPhase::Capture {
6555 return;
6556 }
6557 let Some((scrollbar_layout, axis)) = scrollbars_layout.get_hovered_axis(window)
6558 else {
6559 return;
6560 };
6561
6562 let ScrollbarLayout {
6563 hitbox,
6564 visible_range,
6565 text_unit_size,
6566 thumb_bounds,
6567 ..
6568 } = scrollbar_layout;
6569
6570 let Some(thumb_bounds) = thumb_bounds else {
6571 return;
6572 };
6573
6574 editor.update(cx, |editor, cx| {
6575 editor
6576 .scroll_manager
6577 .set_dragged_scroll_thumb_axis(axis, cx);
6578
6579 let event_position = event.position.along(axis);
6580
6581 if event_position < thumb_bounds.origin.along(axis)
6582 || thumb_bounds.bottom_right().along(axis) < event_position
6583 {
6584 let center_position = ((event_position - hitbox.origin.along(axis))
6585 / *text_unit_size)
6586 .round() as u32;
6587 let start_position = center_position.saturating_sub(
6588 (visible_range.end - visible_range.start) as u32 / 2,
6589 );
6590
6591 let position = editor
6592 .scroll_position(cx)
6593 .apply_along(axis, |_| start_position as ScrollOffset);
6594
6595 editor.set_scroll_position(position, window, cx);
6596 } else {
6597 editor.scroll_manager.show_scrollbars(window, cx);
6598 }
6599
6600 cx.stop_propagation();
6601 });
6602 }
6603 });
6604 }
6605 }
6606
6607 fn collect_fast_scrollbar_markers(
6608 &self,
6609 layout: &EditorLayout,
6610 scrollbar_layout: &ScrollbarLayout,
6611 cx: &mut App,
6612 ) -> Vec<PaintQuad> {
6613 const LIMIT: usize = 100;
6614 if !EditorSettings::get_global(cx).scrollbar.cursors || layout.cursors.len() > LIMIT {
6615 return vec![];
6616 }
6617 let cursor_ranges = layout
6618 .cursors
6619 .iter()
6620 .map(|(point, color)| ColoredRange {
6621 start: point.row(),
6622 end: point.row(),
6623 color: *color,
6624 })
6625 .collect_vec();
6626 scrollbar_layout.marker_quads_for_ranges(cursor_ranges, None)
6627 }
6628
6629 fn refresh_slow_scrollbar_markers(
6630 &self,
6631 layout: &EditorLayout,
6632 scrollbar_layout: &ScrollbarLayout,
6633 window: &mut Window,
6634 cx: &mut App,
6635 ) {
6636 self.editor.update(cx, |editor, cx| {
6637 if editor.buffer_kind(cx) != ItemBufferKind::Singleton
6638 || !editor
6639 .scrollbar_marker_state
6640 .should_refresh(scrollbar_layout.hitbox.size)
6641 {
6642 return;
6643 }
6644
6645 let scrollbar_layout = scrollbar_layout.clone();
6646 let background_highlights = editor.background_highlights.clone();
6647 let snapshot = layout.position_map.snapshot.clone();
6648 let theme = cx.theme().clone();
6649 let scrollbar_settings = EditorSettings::get_global(cx).scrollbar;
6650
6651 editor.scrollbar_marker_state.dirty = false;
6652 editor.scrollbar_marker_state.pending_refresh =
6653 Some(cx.spawn_in(window, async move |editor, cx| {
6654 let scrollbar_size = scrollbar_layout.hitbox.size;
6655 let scrollbar_markers = cx
6656 .background_spawn(async move {
6657 let max_point = snapshot.display_snapshot.buffer_snapshot().max_point();
6658 let mut marker_quads = Vec::new();
6659 if scrollbar_settings.git_diff {
6660 let marker_row_ranges =
6661 snapshot.buffer_snapshot().diff_hunks().map(|hunk| {
6662 let start_display_row =
6663 MultiBufferPoint::new(hunk.row_range.start.0, 0)
6664 .to_display_point(&snapshot.display_snapshot)
6665 .row();
6666 let mut end_display_row =
6667 MultiBufferPoint::new(hunk.row_range.end.0, 0)
6668 .to_display_point(&snapshot.display_snapshot)
6669 .row();
6670 if end_display_row != start_display_row {
6671 end_display_row.0 -= 1;
6672 }
6673 let color = match &hunk.status().kind {
6674 DiffHunkStatusKind::Added => {
6675 theme.colors().version_control_added
6676 }
6677 DiffHunkStatusKind::Modified => {
6678 theme.colors().version_control_modified
6679 }
6680 DiffHunkStatusKind::Deleted => {
6681 theme.colors().version_control_deleted
6682 }
6683 };
6684 ColoredRange {
6685 start: start_display_row,
6686 end: end_display_row,
6687 color,
6688 }
6689 });
6690
6691 marker_quads.extend(
6692 scrollbar_layout
6693 .marker_quads_for_ranges(marker_row_ranges, Some(0)),
6694 );
6695 }
6696
6697 for (background_highlight_id, (_, background_ranges)) in
6698 background_highlights.iter()
6699 {
6700 let is_search_highlights = *background_highlight_id
6701 == HighlightKey::Type(TypeId::of::<BufferSearchHighlights>());
6702 let is_text_highlights = *background_highlight_id
6703 == HighlightKey::Type(TypeId::of::<SelectedTextHighlight>());
6704 let is_symbol_occurrences = *background_highlight_id
6705 == HighlightKey::Type(TypeId::of::<DocumentHighlightRead>())
6706 || *background_highlight_id
6707 == HighlightKey::Type(
6708 TypeId::of::<DocumentHighlightWrite>(),
6709 );
6710 if (is_search_highlights && scrollbar_settings.search_results)
6711 || (is_text_highlights && scrollbar_settings.selected_text)
6712 || (is_symbol_occurrences && scrollbar_settings.selected_symbol)
6713 {
6714 let mut color = theme.status().info;
6715 if is_symbol_occurrences {
6716 color.fade_out(0.5);
6717 }
6718 let marker_row_ranges = background_ranges.iter().map(|range| {
6719 let display_start = range
6720 .start
6721 .to_display_point(&snapshot.display_snapshot);
6722 let display_end =
6723 range.end.to_display_point(&snapshot.display_snapshot);
6724 ColoredRange {
6725 start: display_start.row(),
6726 end: display_end.row(),
6727 color,
6728 }
6729 });
6730 marker_quads.extend(
6731 scrollbar_layout
6732 .marker_quads_for_ranges(marker_row_ranges, Some(1)),
6733 );
6734 }
6735 }
6736
6737 if scrollbar_settings.diagnostics != ScrollbarDiagnostics::None {
6738 let diagnostics = snapshot
6739 .buffer_snapshot()
6740 .diagnostics_in_range::<Point>(Point::zero()..max_point)
6741 // Don't show diagnostics the user doesn't care about
6742 .filter(|diagnostic| {
6743 match (
6744 scrollbar_settings.diagnostics,
6745 diagnostic.diagnostic.severity,
6746 ) {
6747 (ScrollbarDiagnostics::All, _) => true,
6748 (
6749 ScrollbarDiagnostics::Error,
6750 lsp::DiagnosticSeverity::ERROR,
6751 ) => true,
6752 (
6753 ScrollbarDiagnostics::Warning,
6754 lsp::DiagnosticSeverity::ERROR
6755 | lsp::DiagnosticSeverity::WARNING,
6756 ) => true,
6757 (
6758 ScrollbarDiagnostics::Information,
6759 lsp::DiagnosticSeverity::ERROR
6760 | lsp::DiagnosticSeverity::WARNING
6761 | lsp::DiagnosticSeverity::INFORMATION,
6762 ) => true,
6763 (_, _) => false,
6764 }
6765 })
6766 // We want to sort by severity, in order to paint the most severe diagnostics last.
6767 .sorted_by_key(|diagnostic| {
6768 std::cmp::Reverse(diagnostic.diagnostic.severity)
6769 });
6770
6771 let marker_row_ranges = diagnostics.into_iter().map(|diagnostic| {
6772 let start_display = diagnostic
6773 .range
6774 .start
6775 .to_display_point(&snapshot.display_snapshot);
6776 let end_display = diagnostic
6777 .range
6778 .end
6779 .to_display_point(&snapshot.display_snapshot);
6780 let color = match diagnostic.diagnostic.severity {
6781 lsp::DiagnosticSeverity::ERROR => theme.status().error,
6782 lsp::DiagnosticSeverity::WARNING => theme.status().warning,
6783 lsp::DiagnosticSeverity::INFORMATION => theme.status().info,
6784 _ => theme.status().hint,
6785 };
6786 ColoredRange {
6787 start: start_display.row(),
6788 end: end_display.row(),
6789 color,
6790 }
6791 });
6792 marker_quads.extend(
6793 scrollbar_layout
6794 .marker_quads_for_ranges(marker_row_ranges, Some(2)),
6795 );
6796 }
6797
6798 Arc::from(marker_quads)
6799 })
6800 .await;
6801
6802 editor.update(cx, |editor, cx| {
6803 editor.scrollbar_marker_state.markers = scrollbar_markers;
6804 editor.scrollbar_marker_state.scrollbar_size = scrollbar_size;
6805 editor.scrollbar_marker_state.pending_refresh = None;
6806 cx.notify();
6807 })?;
6808
6809 Ok(())
6810 }));
6811 });
6812 }
6813
6814 fn paint_highlighted_range(
6815 &self,
6816 range: Range<DisplayPoint>,
6817 fill: bool,
6818 color: Hsla,
6819 corner_radius: Pixels,
6820 line_end_overshoot: Pixels,
6821 layout: &EditorLayout,
6822 window: &mut Window,
6823 ) {
6824 let start_row = layout.visible_display_row_range.start;
6825 let end_row = layout.visible_display_row_range.end;
6826 if range.start != range.end {
6827 let row_range = if range.end.column() == 0 {
6828 cmp::max(range.start.row(), start_row)..cmp::min(range.end.row(), end_row)
6829 } else {
6830 cmp::max(range.start.row(), start_row)
6831 ..cmp::min(range.end.row().next_row(), end_row)
6832 };
6833
6834 let highlighted_range = HighlightedRange {
6835 color,
6836 line_height: layout.position_map.line_height,
6837 corner_radius,
6838 start_y: layout.content_origin.y
6839 + Pixels::from(
6840 (row_range.start.as_f64() - layout.position_map.scroll_position.y)
6841 * ScrollOffset::from(layout.position_map.line_height),
6842 ),
6843 lines: row_range
6844 .iter_rows()
6845 .map(|row| {
6846 let line_layout =
6847 &layout.position_map.line_layouts[row.minus(start_row) as usize];
6848 HighlightedRangeLine {
6849 start_x: if row == range.start.row() {
6850 layout.content_origin.x
6851 + Pixels::from(
6852 ScrollPixelOffset::from(
6853 line_layout.x_for_index(range.start.column() as usize),
6854 ) - layout.position_map.scroll_pixel_position.x,
6855 )
6856 } else {
6857 layout.content_origin.x
6858 - Pixels::from(layout.position_map.scroll_pixel_position.x)
6859 },
6860 end_x: if row == range.end.row() {
6861 layout.content_origin.x
6862 + Pixels::from(
6863 ScrollPixelOffset::from(
6864 line_layout.x_for_index(range.end.column() as usize),
6865 ) - layout.position_map.scroll_pixel_position.x,
6866 )
6867 } else {
6868 Pixels::from(
6869 ScrollPixelOffset::from(
6870 layout.content_origin.x
6871 + line_layout.width
6872 + line_end_overshoot,
6873 ) - layout.position_map.scroll_pixel_position.x,
6874 )
6875 },
6876 }
6877 })
6878 .collect(),
6879 };
6880
6881 highlighted_range.paint(fill, layout.position_map.text_hitbox.bounds, window);
6882 }
6883 }
6884
6885 fn paint_inline_diagnostics(
6886 &mut self,
6887 layout: &mut EditorLayout,
6888 window: &mut Window,
6889 cx: &mut App,
6890 ) {
6891 for mut inline_diagnostic in layout.inline_diagnostics.drain() {
6892 inline_diagnostic.1.paint(window, cx);
6893 }
6894 }
6895
6896 fn paint_inline_blame(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6897 if let Some(mut blame_layout) = layout.inline_blame_layout.take() {
6898 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6899 blame_layout.element.paint(window, cx);
6900 })
6901 }
6902 }
6903
6904 fn paint_inline_code_actions(
6905 &mut self,
6906 layout: &mut EditorLayout,
6907 window: &mut Window,
6908 cx: &mut App,
6909 ) {
6910 if let Some(mut inline_code_actions) = layout.inline_code_actions.take() {
6911 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6912 inline_code_actions.paint(window, cx);
6913 })
6914 }
6915 }
6916
6917 fn paint_diff_hunk_controls(
6918 &mut self,
6919 layout: &mut EditorLayout,
6920 window: &mut Window,
6921 cx: &mut App,
6922 ) {
6923 for mut diff_hunk_control in layout.diff_hunk_controls.drain(..) {
6924 diff_hunk_control.paint(window, cx);
6925 }
6926 }
6927
6928 fn paint_minimap(&self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6929 if let Some(mut layout) = layout.minimap.take() {
6930 let minimap_hitbox = layout.thumb_layout.hitbox.clone();
6931 let dragging_minimap = self.editor.read(cx).scroll_manager.is_dragging_minimap();
6932
6933 window.paint_layer(layout.thumb_layout.hitbox.bounds, |window| {
6934 window.with_element_namespace("minimap", |window| {
6935 layout.minimap.paint(window, cx);
6936 if let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds {
6937 let minimap_thumb_color = match layout.thumb_layout.thumb_state {
6938 ScrollbarThumbState::Idle => {
6939 cx.theme().colors().minimap_thumb_background
6940 }
6941 ScrollbarThumbState::Hovered => {
6942 cx.theme().colors().minimap_thumb_hover_background
6943 }
6944 ScrollbarThumbState::Dragging => {
6945 cx.theme().colors().minimap_thumb_active_background
6946 }
6947 };
6948 let minimap_thumb_border = match layout.thumb_border_style {
6949 MinimapThumbBorder::Full => Edges::all(ScrollbarLayout::BORDER_WIDTH),
6950 MinimapThumbBorder::LeftOnly => Edges {
6951 left: ScrollbarLayout::BORDER_WIDTH,
6952 ..Default::default()
6953 },
6954 MinimapThumbBorder::LeftOpen => Edges {
6955 right: ScrollbarLayout::BORDER_WIDTH,
6956 top: ScrollbarLayout::BORDER_WIDTH,
6957 bottom: ScrollbarLayout::BORDER_WIDTH,
6958 ..Default::default()
6959 },
6960 MinimapThumbBorder::RightOpen => Edges {
6961 left: ScrollbarLayout::BORDER_WIDTH,
6962 top: ScrollbarLayout::BORDER_WIDTH,
6963 bottom: ScrollbarLayout::BORDER_WIDTH,
6964 ..Default::default()
6965 },
6966 MinimapThumbBorder::None => Default::default(),
6967 };
6968
6969 window.paint_layer(minimap_hitbox.bounds, |window| {
6970 window.paint_quad(quad(
6971 thumb_bounds,
6972 Corners::default(),
6973 minimap_thumb_color,
6974 minimap_thumb_border,
6975 cx.theme().colors().minimap_thumb_border,
6976 BorderStyle::Solid,
6977 ));
6978 });
6979 }
6980 });
6981 });
6982
6983 if dragging_minimap {
6984 window.set_window_cursor_style(CursorStyle::Arrow);
6985 } else {
6986 window.set_cursor_style(CursorStyle::Arrow, &minimap_hitbox);
6987 }
6988
6989 let minimap_axis = ScrollbarAxis::Vertical;
6990 let pixels_per_line = Pixels::from(
6991 ScrollPixelOffset::from(minimap_hitbox.size.height) / layout.max_scroll_top,
6992 )
6993 .min(layout.minimap_line_height);
6994
6995 let mut mouse_position = window.mouse_position();
6996
6997 window.on_mouse_event({
6998 let editor = self.editor.clone();
6999
7000 let minimap_hitbox = minimap_hitbox.clone();
7001
7002 move |event: &MouseMoveEvent, phase, window, cx| {
7003 if phase == DispatchPhase::Capture {
7004 return;
7005 }
7006
7007 editor.update(cx, |editor, cx| {
7008 if event.pressed_button == Some(MouseButton::Left)
7009 && editor.scroll_manager.is_dragging_minimap()
7010 {
7011 let old_position = mouse_position.along(minimap_axis);
7012 let new_position = event.position.along(minimap_axis);
7013 if (minimap_hitbox.origin.along(minimap_axis)
7014 ..minimap_hitbox.bottom_right().along(minimap_axis))
7015 .contains(&old_position)
7016 {
7017 let position =
7018 editor.scroll_position(cx).apply_along(minimap_axis, |p| {
7019 (p + ScrollPixelOffset::from(
7020 (new_position - old_position) / pixels_per_line,
7021 ))
7022 .max(0.)
7023 });
7024
7025 editor.set_scroll_position(position, window, cx);
7026 }
7027 cx.stop_propagation();
7028 } else if minimap_hitbox.is_hovered(window) {
7029 editor.scroll_manager.set_is_hovering_minimap_thumb(
7030 !event.dragging()
7031 && layout
7032 .thumb_layout
7033 .thumb_bounds
7034 .is_some_and(|bounds| bounds.contains(&event.position)),
7035 cx,
7036 );
7037
7038 // Stop hover events from propagating to the
7039 // underlying editor if the minimap hitbox is hovered
7040 if !event.dragging() {
7041 cx.stop_propagation();
7042 }
7043 } else {
7044 editor.scroll_manager.hide_minimap_thumb(cx);
7045 }
7046 mouse_position = event.position;
7047 });
7048 }
7049 });
7050
7051 if dragging_minimap {
7052 window.on_mouse_event({
7053 let editor = self.editor.clone();
7054 move |event: &MouseUpEvent, phase, window, cx| {
7055 if phase == DispatchPhase::Capture {
7056 return;
7057 }
7058
7059 editor.update(cx, |editor, cx| {
7060 if minimap_hitbox.is_hovered(window) {
7061 editor.scroll_manager.set_is_hovering_minimap_thumb(
7062 layout
7063 .thumb_layout
7064 .thumb_bounds
7065 .is_some_and(|bounds| bounds.contains(&event.position)),
7066 cx,
7067 );
7068 } else {
7069 editor.scroll_manager.hide_minimap_thumb(cx);
7070 }
7071 cx.stop_propagation();
7072 });
7073 }
7074 });
7075 } else {
7076 window.on_mouse_event({
7077 let editor = self.editor.clone();
7078
7079 move |event: &MouseDownEvent, phase, window, cx| {
7080 if phase == DispatchPhase::Capture || !minimap_hitbox.is_hovered(window) {
7081 return;
7082 }
7083
7084 let event_position = event.position;
7085
7086 let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds else {
7087 return;
7088 };
7089
7090 editor.update(cx, |editor, cx| {
7091 if !thumb_bounds.contains(&event_position) {
7092 let click_position =
7093 event_position.relative_to(&minimap_hitbox.origin).y;
7094
7095 let top_position = (click_position
7096 - thumb_bounds.size.along(minimap_axis) / 2.0)
7097 .max(Pixels::ZERO);
7098
7099 let scroll_offset = (layout.minimap_scroll_top
7100 + ScrollPixelOffset::from(
7101 top_position / layout.minimap_line_height,
7102 ))
7103 .min(layout.max_scroll_top);
7104
7105 let scroll_position = editor
7106 .scroll_position(cx)
7107 .apply_along(minimap_axis, |_| scroll_offset);
7108 editor.set_scroll_position(scroll_position, window, cx);
7109 }
7110
7111 editor.scroll_manager.set_is_dragging_minimap(cx);
7112 cx.stop_propagation();
7113 });
7114 }
7115 });
7116 }
7117 }
7118 }
7119
7120 fn paint_blocks(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
7121 for mut block in layout.blocks.drain(..) {
7122 if block.overlaps_gutter {
7123 block.element.paint(window, cx);
7124 } else {
7125 let mut bounds = layout.hitbox.bounds;
7126 bounds.origin.x += layout.gutter_hitbox.bounds.size.width;
7127 window.with_content_mask(Some(ContentMask { bounds }), |window| {
7128 block.element.paint(window, cx);
7129 })
7130 }
7131 }
7132 }
7133
7134 fn paint_edit_prediction_popover(
7135 &mut self,
7136 layout: &mut EditorLayout,
7137 window: &mut Window,
7138 cx: &mut App,
7139 ) {
7140 if let Some(edit_prediction_popover) = layout.edit_prediction_popover.as_mut() {
7141 edit_prediction_popover.paint(window, cx);
7142 }
7143 }
7144
7145 fn paint_mouse_context_menu(
7146 &mut self,
7147 layout: &mut EditorLayout,
7148 window: &mut Window,
7149 cx: &mut App,
7150 ) {
7151 if let Some(mouse_context_menu) = layout.mouse_context_menu.as_mut() {
7152 mouse_context_menu.paint(window, cx);
7153 }
7154 }
7155
7156 fn paint_scroll_wheel_listener(
7157 &mut self,
7158 layout: &EditorLayout,
7159 window: &mut Window,
7160 cx: &mut App,
7161 ) {
7162 window.on_mouse_event({
7163 let position_map = layout.position_map.clone();
7164 let editor = self.editor.clone();
7165 let hitbox = layout.hitbox.clone();
7166 let mut delta = ScrollDelta::default();
7167
7168 // Set a minimum scroll_sensitivity of 0.01 to make sure the user doesn't
7169 // accidentally turn off their scrolling.
7170 let base_scroll_sensitivity =
7171 EditorSettings::get_global(cx).scroll_sensitivity.max(0.01);
7172
7173 // Use a minimum fast_scroll_sensitivity for same reason above
7174 let fast_scroll_sensitivity = EditorSettings::get_global(cx)
7175 .fast_scroll_sensitivity
7176 .max(0.01);
7177
7178 move |event: &ScrollWheelEvent, phase, window, cx| {
7179 let scroll_sensitivity = {
7180 if event.modifiers.alt {
7181 fast_scroll_sensitivity
7182 } else {
7183 base_scroll_sensitivity
7184 }
7185 };
7186
7187 if phase == DispatchPhase::Bubble && hitbox.should_handle_scroll(window) {
7188 delta = delta.coalesce(event.delta);
7189 editor.update(cx, |editor, cx| {
7190 let position_map: &PositionMap = &position_map;
7191
7192 let line_height = position_map.line_height;
7193 let max_glyph_advance = position_map.em_advance;
7194 let (delta, axis) = match delta {
7195 gpui::ScrollDelta::Pixels(mut pixels) => {
7196 //Trackpad
7197 let axis = position_map.snapshot.ongoing_scroll.filter(&mut pixels);
7198 (pixels, axis)
7199 }
7200
7201 gpui::ScrollDelta::Lines(lines) => {
7202 //Not trackpad
7203 let pixels =
7204 point(lines.x * max_glyph_advance, lines.y * line_height);
7205 (pixels, None)
7206 }
7207 };
7208
7209 let current_scroll_position = position_map.snapshot.scroll_position();
7210 let x = (current_scroll_position.x
7211 * ScrollPixelOffset::from(max_glyph_advance)
7212 - ScrollPixelOffset::from(delta.x * scroll_sensitivity))
7213 / ScrollPixelOffset::from(max_glyph_advance);
7214 let y = (current_scroll_position.y * ScrollPixelOffset::from(line_height)
7215 - ScrollPixelOffset::from(delta.y * scroll_sensitivity))
7216 / ScrollPixelOffset::from(line_height);
7217 let mut scroll_position =
7218 point(x, y).clamp(&point(0., 0.), &position_map.scroll_max);
7219 let forbid_vertical_scroll = editor.scroll_manager.forbid_vertical_scroll();
7220 if forbid_vertical_scroll {
7221 scroll_position.y = current_scroll_position.y;
7222 }
7223
7224 if scroll_position != current_scroll_position {
7225 editor.scroll(scroll_position, axis, window, cx);
7226 cx.stop_propagation();
7227 } else if y < 0. {
7228 // Due to clamping, we may fail to detect cases of overscroll to the top;
7229 // We want the scroll manager to get an update in such cases and detect the change of direction
7230 // on the next frame.
7231 cx.notify();
7232 }
7233 });
7234 }
7235 }
7236 });
7237 }
7238
7239 fn paint_mouse_listeners(&mut self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
7240 if layout.mode.is_minimap() {
7241 return;
7242 }
7243
7244 self.paint_scroll_wheel_listener(layout, window, cx);
7245
7246 window.on_mouse_event({
7247 let position_map = layout.position_map.clone();
7248 let editor = self.editor.clone();
7249 let diff_hunk_range =
7250 layout
7251 .display_hunks
7252 .iter()
7253 .find_map(|(hunk, hunk_hitbox)| match hunk {
7254 DisplayDiffHunk::Folded { .. } => None,
7255 DisplayDiffHunk::Unfolded {
7256 multi_buffer_range, ..
7257 } => {
7258 if hunk_hitbox
7259 .as_ref()
7260 .map(|hitbox| hitbox.is_hovered(window))
7261 .unwrap_or(false)
7262 {
7263 Some(multi_buffer_range.clone())
7264 } else {
7265 None
7266 }
7267 }
7268 });
7269 let line_numbers = layout.line_numbers.clone();
7270
7271 move |event: &MouseDownEvent, phase, window, cx| {
7272 if phase == DispatchPhase::Bubble {
7273 match event.button {
7274 MouseButton::Left => editor.update(cx, |editor, cx| {
7275 let pending_mouse_down = editor
7276 .pending_mouse_down
7277 .get_or_insert_with(Default::default)
7278 .clone();
7279
7280 *pending_mouse_down.borrow_mut() = Some(event.clone());
7281
7282 Self::mouse_left_down(
7283 editor,
7284 event,
7285 diff_hunk_range.clone(),
7286 &position_map,
7287 line_numbers.as_ref(),
7288 window,
7289 cx,
7290 );
7291 }),
7292 MouseButton::Right => editor.update(cx, |editor, cx| {
7293 Self::mouse_right_down(editor, event, &position_map, window, cx);
7294 }),
7295 MouseButton::Middle => editor.update(cx, |editor, cx| {
7296 Self::mouse_middle_down(editor, event, &position_map, window, cx);
7297 }),
7298 _ => {}
7299 };
7300 }
7301 }
7302 });
7303
7304 window.on_mouse_event({
7305 let editor = self.editor.clone();
7306 let position_map = layout.position_map.clone();
7307
7308 move |event: &MouseUpEvent, phase, window, cx| {
7309 if phase == DispatchPhase::Bubble {
7310 editor.update(cx, |editor, cx| {
7311 Self::mouse_up(editor, event, &position_map, window, cx)
7312 });
7313 }
7314 }
7315 });
7316
7317 window.on_mouse_event({
7318 let editor = self.editor.clone();
7319 let position_map = layout.position_map.clone();
7320 let mut captured_mouse_down = None;
7321
7322 move |event: &MouseUpEvent, phase, window, cx| match phase {
7323 // Clear the pending mouse down during the capture phase,
7324 // so that it happens even if another event handler stops
7325 // propagation.
7326 DispatchPhase::Capture => editor.update(cx, |editor, _cx| {
7327 let pending_mouse_down = editor
7328 .pending_mouse_down
7329 .get_or_insert_with(Default::default)
7330 .clone();
7331
7332 let mut pending_mouse_down = pending_mouse_down.borrow_mut();
7333 if pending_mouse_down.is_some() && position_map.text_hitbox.is_hovered(window) {
7334 captured_mouse_down = pending_mouse_down.take();
7335 window.refresh();
7336 }
7337 }),
7338 // Fire click handlers during the bubble phase.
7339 DispatchPhase::Bubble => editor.update(cx, |editor, cx| {
7340 if let Some(mouse_down) = captured_mouse_down.take() {
7341 let event = ClickEvent::Mouse(MouseClickEvent {
7342 down: mouse_down,
7343 up: event.clone(),
7344 });
7345 Self::click(editor, &event, &position_map, window, cx);
7346 }
7347 }),
7348 }
7349 });
7350
7351 window.on_mouse_event({
7352 let position_map = layout.position_map.clone();
7353 let editor = self.editor.clone();
7354
7355 move |event: &MouseMoveEvent, phase, window, cx| {
7356 if phase == DispatchPhase::Bubble {
7357 editor.update(cx, |editor, cx| {
7358 if editor.hover_state.focused(window, cx) {
7359 return;
7360 }
7361 if event.pressed_button == Some(MouseButton::Left)
7362 || event.pressed_button == Some(MouseButton::Middle)
7363 {
7364 Self::mouse_dragged(editor, event, &position_map, window, cx)
7365 }
7366
7367 Self::mouse_moved(editor, event, &position_map, window, cx)
7368 });
7369 }
7370 }
7371 });
7372 }
7373
7374 fn column_pixels(&self, column: usize, window: &Window) -> Pixels {
7375 let style = &self.style;
7376 let font_size = style.text.font_size.to_pixels(window.rem_size());
7377 let layout = window.text_system().shape_line(
7378 SharedString::from(" ".repeat(column)),
7379 font_size,
7380 &[TextRun {
7381 len: column,
7382 font: style.text.font(),
7383 color: Hsla::default(),
7384 background_color: None,
7385 underline: None,
7386 strikethrough: None,
7387 }],
7388 None,
7389 );
7390
7391 layout.width
7392 }
7393
7394 fn max_line_number_width(&self, snapshot: &EditorSnapshot, window: &mut Window) -> Pixels {
7395 let digit_count = snapshot.widest_line_number().ilog10() + 1;
7396 self.column_pixels(digit_count as usize, window)
7397 }
7398
7399 fn shape_line_number(
7400 &self,
7401 text: SharedString,
7402 color: Hsla,
7403 window: &mut Window,
7404 ) -> ShapedLine {
7405 let run = TextRun {
7406 len: text.len(),
7407 font: self.style.text.font(),
7408 color,
7409 background_color: None,
7410 underline: None,
7411 strikethrough: None,
7412 };
7413 window.text_system().shape_line(
7414 text,
7415 self.style.text.font_size.to_pixels(window.rem_size()),
7416 &[run],
7417 None,
7418 )
7419 }
7420
7421 fn diff_hunk_hollow(status: DiffHunkStatus, cx: &mut App) -> bool {
7422 let unstaged = status.has_secondary_hunk();
7423 let unstaged_hollow = matches!(
7424 ProjectSettings::get_global(cx).git.hunk_style,
7425 GitHunkStyleSetting::UnstagedHollow
7426 );
7427
7428 unstaged == unstaged_hollow
7429 }
7430
7431 #[cfg(debug_assertions)]
7432 fn layout_debug_ranges(
7433 selections: &mut Vec<(PlayerColor, Vec<SelectionLayout>)>,
7434 anchor_range: Range<Anchor>,
7435 display_snapshot: &DisplaySnapshot,
7436 cx: &App,
7437 ) {
7438 let theme = cx.theme();
7439 text::debug::GlobalDebugRanges::with_locked(|debug_ranges| {
7440 if debug_ranges.ranges.is_empty() {
7441 return;
7442 }
7443 let buffer_snapshot = &display_snapshot.buffer_snapshot();
7444 for (buffer, buffer_range, excerpt_id) in
7445 buffer_snapshot.range_to_buffer_ranges(anchor_range)
7446 {
7447 let buffer_range =
7448 buffer.anchor_after(buffer_range.start)..buffer.anchor_before(buffer_range.end);
7449 selections.extend(debug_ranges.ranges.iter().flat_map(|debug_range| {
7450 let player_color = theme
7451 .players()
7452 .color_for_participant(debug_range.occurrence_index as u32 + 1);
7453 debug_range.ranges.iter().filter_map(move |range| {
7454 if range.start.buffer_id != Some(buffer.remote_id()) {
7455 return None;
7456 }
7457 let clipped_start = range.start.max(&buffer_range.start, buffer);
7458 let clipped_end = range.end.min(&buffer_range.end, buffer);
7459 let range = buffer_snapshot.anchor_in_excerpt(excerpt_id, clipped_start)?
7460 ..buffer_snapshot.anchor_in_excerpt(excerpt_id, clipped_end)?;
7461 let start = range.start.to_display_point(display_snapshot);
7462 let end = range.end.to_display_point(display_snapshot);
7463 let selection_layout = SelectionLayout {
7464 head: start,
7465 range: start..end,
7466 cursor_shape: CursorShape::Bar,
7467 is_newest: false,
7468 is_local: false,
7469 active_rows: start.row()..end.row(),
7470 user_name: Some(SharedString::new(debug_range.value.clone())),
7471 };
7472 Some((player_color, vec![selection_layout]))
7473 })
7474 }));
7475 }
7476 });
7477 }
7478}
7479
7480fn header_jump_data(
7481 snapshot: &EditorSnapshot,
7482 block_row_start: DisplayRow,
7483 height: u32,
7484 for_excerpt: &ExcerptInfo,
7485) -> JumpData {
7486 let range = &for_excerpt.range;
7487 let buffer = &for_excerpt.buffer;
7488 let jump_anchor = range.primary.start;
7489
7490 let excerpt_start = range.context.start;
7491 let jump_position = language::ToPoint::to_point(&jump_anchor, buffer);
7492 let rows_from_excerpt_start = if jump_anchor == excerpt_start {
7493 0
7494 } else {
7495 let excerpt_start_point = language::ToPoint::to_point(&excerpt_start, buffer);
7496 jump_position.row.saturating_sub(excerpt_start_point.row)
7497 };
7498
7499 let line_offset_from_top = (block_row_start.0 + height + rows_from_excerpt_start)
7500 .saturating_sub(
7501 snapshot
7502 .scroll_anchor
7503 .scroll_position(&snapshot.display_snapshot)
7504 .y as u32,
7505 );
7506
7507 JumpData::MultiBufferPoint {
7508 excerpt_id: for_excerpt.id,
7509 anchor: jump_anchor,
7510 position: jump_position,
7511 line_offset_from_top,
7512 }
7513}
7514
7515pub struct AcceptEditPredictionBinding(pub(crate) Option<gpui::KeyBinding>);
7516
7517impl AcceptEditPredictionBinding {
7518 pub fn keystroke(&self) -> Option<&KeybindingKeystroke> {
7519 if let Some(binding) = self.0.as_ref() {
7520 match &binding.keystrokes() {
7521 [keystroke, ..] => Some(keystroke),
7522 _ => None,
7523 }
7524 } else {
7525 None
7526 }
7527 }
7528}
7529
7530fn prepaint_gutter_button(
7531 button: IconButton,
7532 row: DisplayRow,
7533 line_height: Pixels,
7534 gutter_dimensions: &GutterDimensions,
7535 scroll_position: gpui::Point<ScrollOffset>,
7536 gutter_hitbox: &Hitbox,
7537 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
7538 window: &mut Window,
7539 cx: &mut App,
7540) -> AnyElement {
7541 let mut button = button.into_any_element();
7542
7543 let available_space = size(
7544 AvailableSpace::MinContent,
7545 AvailableSpace::Definite(line_height),
7546 );
7547 let indicator_size = button.layout_as_root(available_space, window, cx);
7548
7549 let blame_width = gutter_dimensions.git_blame_entries_width;
7550 let gutter_width = display_hunks
7551 .binary_search_by(|(hunk, _)| match hunk {
7552 DisplayDiffHunk::Folded { display_row } => display_row.cmp(&row),
7553 DisplayDiffHunk::Unfolded {
7554 display_row_range, ..
7555 } => {
7556 if display_row_range.end <= row {
7557 Ordering::Less
7558 } else if display_row_range.start > row {
7559 Ordering::Greater
7560 } else {
7561 Ordering::Equal
7562 }
7563 }
7564 })
7565 .ok()
7566 .and_then(|ix| Some(display_hunks[ix].1.as_ref()?.size.width));
7567 let left_offset = blame_width.max(gutter_width).unwrap_or_default();
7568
7569 let mut x = left_offset;
7570 let available_width = gutter_dimensions.margin + gutter_dimensions.left_padding
7571 - indicator_size.width
7572 - left_offset;
7573 x += available_width / 2.;
7574
7575 let mut y =
7576 Pixels::from((row.as_f64() - scroll_position.y) * ScrollPixelOffset::from(line_height));
7577 y += (line_height - indicator_size.height) / 2.;
7578
7579 button.prepaint_as_root(
7580 gutter_hitbox.origin + point(x, y),
7581 available_space,
7582 window,
7583 cx,
7584 );
7585 button
7586}
7587
7588fn render_inline_blame_entry(
7589 blame_entry: BlameEntry,
7590 style: &EditorStyle,
7591 cx: &mut App,
7592) -> Option<AnyElement> {
7593 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7594 renderer.render_inline_blame_entry(&style.text, blame_entry, cx)
7595}
7596
7597fn render_blame_entry_popover(
7598 blame_entry: BlameEntry,
7599 scroll_handle: ScrollHandle,
7600 commit_message: Option<ParsedCommitMessage>,
7601 markdown: Entity<Markdown>,
7602 workspace: WeakEntity<Workspace>,
7603 blame: &Entity<GitBlame>,
7604 buffer: BufferId,
7605 window: &mut Window,
7606 cx: &mut App,
7607) -> Option<AnyElement> {
7608 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7609 let blame = blame.read(cx);
7610 let repository = blame.repository(cx, buffer)?;
7611 renderer.render_blame_entry_popover(
7612 blame_entry,
7613 scroll_handle,
7614 commit_message,
7615 markdown,
7616 repository,
7617 workspace,
7618 window,
7619 cx,
7620 )
7621}
7622
7623fn render_blame_entry(
7624 ix: usize,
7625 blame: &Entity<GitBlame>,
7626 blame_entry: BlameEntry,
7627 style: &EditorStyle,
7628 last_used_color: &mut Option<(Hsla, Oid)>,
7629 editor: Entity<Editor>,
7630 workspace: Entity<Workspace>,
7631 buffer: BufferId,
7632 renderer: &dyn BlameRenderer,
7633 window: &mut Window,
7634 cx: &mut App,
7635) -> Option<AnyElement> {
7636 let index: u32 = blame_entry.sha.into();
7637 let mut sha_color = cx.theme().players().color_for_participant(index).cursor;
7638
7639 // If the last color we used is the same as the one we get for this line, but
7640 // the commit SHAs are different, then we try again to get a different color.
7641 if let Some((color, sha)) = *last_used_color
7642 && sha != blame_entry.sha
7643 && color == sha_color
7644 {
7645 sha_color = cx.theme().players().color_for_participant(index + 1).cursor;
7646 }
7647 last_used_color.replace((sha_color, blame_entry.sha));
7648
7649 let blame = blame.read(cx);
7650 let details = blame.details_for_entry(buffer, &blame_entry);
7651 let repository = blame.repository(cx, buffer)?;
7652 renderer.render_blame_entry(
7653 &style.text,
7654 blame_entry,
7655 details,
7656 repository,
7657 workspace.downgrade(),
7658 editor,
7659 ix,
7660 sha_color,
7661 window,
7662 cx,
7663 )
7664}
7665
7666#[derive(Debug)]
7667pub(crate) struct LineWithInvisibles {
7668 fragments: SmallVec<[LineFragment; 1]>,
7669 invisibles: Vec<Invisible>,
7670 len: usize,
7671 pub(crate) width: Pixels,
7672 font_size: Pixels,
7673}
7674
7675enum LineFragment {
7676 Text(ShapedLine),
7677 Element {
7678 id: ChunkRendererId,
7679 element: Option<AnyElement>,
7680 size: Size<Pixels>,
7681 len: usize,
7682 },
7683}
7684
7685impl fmt::Debug for LineFragment {
7686 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
7687 match self {
7688 LineFragment::Text(shaped_line) => f.debug_tuple("Text").field(shaped_line).finish(),
7689 LineFragment::Element { size, len, .. } => f
7690 .debug_struct("Element")
7691 .field("size", size)
7692 .field("len", len)
7693 .finish(),
7694 }
7695 }
7696}
7697
7698impl LineWithInvisibles {
7699 fn from_chunks<'a>(
7700 chunks: impl Iterator<Item = HighlightedChunk<'a>>,
7701 editor_style: &EditorStyle,
7702 max_line_len: usize,
7703 max_line_count: usize,
7704 editor_mode: &EditorMode,
7705 text_width: Pixels,
7706 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
7707 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
7708 window: &mut Window,
7709 cx: &mut App,
7710 ) -> Vec<Self> {
7711 let text_style = &editor_style.text;
7712 let mut layouts = Vec::with_capacity(max_line_count);
7713 let mut fragments: SmallVec<[LineFragment; 1]> = SmallVec::new();
7714 let mut line = String::new();
7715 let mut invisibles = Vec::new();
7716 let mut width = Pixels::ZERO;
7717 let mut len = 0;
7718 let mut styles = Vec::new();
7719 let mut non_whitespace_added = false;
7720 let mut row = 0;
7721 let mut line_exceeded_max_len = false;
7722 let font_size = text_style.font_size.to_pixels(window.rem_size());
7723 let min_contrast = EditorSettings::get_global(cx).minimum_contrast_for_highlights;
7724
7725 let ellipsis = SharedString::from("β―");
7726
7727 for highlighted_chunk in chunks.chain([HighlightedChunk {
7728 text: "\n",
7729 style: None,
7730 is_tab: false,
7731 is_inlay: false,
7732 replacement: None,
7733 }]) {
7734 if let Some(replacement) = highlighted_chunk.replacement {
7735 if !line.is_empty() {
7736 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7737 let text_runs: &[TextRun] = if segments.is_empty() {
7738 &styles
7739 } else {
7740 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
7741 };
7742 let shaped_line = window.text_system().shape_line(
7743 line.clone().into(),
7744 font_size,
7745 text_runs,
7746 None,
7747 );
7748 width += shaped_line.width;
7749 len += shaped_line.len;
7750 fragments.push(LineFragment::Text(shaped_line));
7751 line.clear();
7752 styles.clear();
7753 }
7754
7755 match replacement {
7756 ChunkReplacement::Renderer(renderer) => {
7757 let available_width = if renderer.constrain_width {
7758 let chunk = if highlighted_chunk.text == ellipsis.as_ref() {
7759 ellipsis.clone()
7760 } else {
7761 SharedString::from(Arc::from(highlighted_chunk.text))
7762 };
7763 let shaped_line = window.text_system().shape_line(
7764 chunk,
7765 font_size,
7766 &[text_style.to_run(highlighted_chunk.text.len())],
7767 None,
7768 );
7769 AvailableSpace::Definite(shaped_line.width)
7770 } else {
7771 AvailableSpace::MinContent
7772 };
7773
7774 let mut element = (renderer.render)(&mut ChunkRendererContext {
7775 context: cx,
7776 window,
7777 max_width: text_width,
7778 });
7779 let line_height = text_style.line_height_in_pixels(window.rem_size());
7780 let size = element.layout_as_root(
7781 size(available_width, AvailableSpace::Definite(line_height)),
7782 window,
7783 cx,
7784 );
7785
7786 width += size.width;
7787 len += highlighted_chunk.text.len();
7788 fragments.push(LineFragment::Element {
7789 id: renderer.id,
7790 element: Some(element),
7791 size,
7792 len: highlighted_chunk.text.len(),
7793 });
7794 }
7795 ChunkReplacement::Str(x) => {
7796 let text_style = if let Some(style) = highlighted_chunk.style {
7797 Cow::Owned(text_style.clone().highlight(style))
7798 } else {
7799 Cow::Borrowed(text_style)
7800 };
7801
7802 let run = TextRun {
7803 len: x.len(),
7804 font: text_style.font(),
7805 color: text_style.color,
7806 background_color: text_style.background_color,
7807 underline: text_style.underline,
7808 strikethrough: text_style.strikethrough,
7809 };
7810 let line_layout = window
7811 .text_system()
7812 .shape_line(x, font_size, &[run], None)
7813 .with_len(highlighted_chunk.text.len());
7814
7815 width += line_layout.width;
7816 len += highlighted_chunk.text.len();
7817 fragments.push(LineFragment::Text(line_layout))
7818 }
7819 }
7820 } else {
7821 for (ix, mut line_chunk) in highlighted_chunk.text.split('\n').enumerate() {
7822 if ix > 0 {
7823 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7824 let text_runs = if segments.is_empty() {
7825 &styles
7826 } else {
7827 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
7828 };
7829 let shaped_line = window.text_system().shape_line(
7830 line.clone().into(),
7831 font_size,
7832 text_runs,
7833 None,
7834 );
7835 width += shaped_line.width;
7836 len += shaped_line.len;
7837 fragments.push(LineFragment::Text(shaped_line));
7838 layouts.push(Self {
7839 width: mem::take(&mut width),
7840 len: mem::take(&mut len),
7841 fragments: mem::take(&mut fragments),
7842 invisibles: std::mem::take(&mut invisibles),
7843 font_size,
7844 });
7845
7846 line.clear();
7847 styles.clear();
7848 row += 1;
7849 line_exceeded_max_len = false;
7850 non_whitespace_added = false;
7851 if row == max_line_count {
7852 return layouts;
7853 }
7854 }
7855
7856 if !line_chunk.is_empty() && !line_exceeded_max_len {
7857 let text_style = if let Some(style) = highlighted_chunk.style {
7858 Cow::Owned(text_style.clone().highlight(style))
7859 } else {
7860 Cow::Borrowed(text_style)
7861 };
7862
7863 if line.len() + line_chunk.len() > max_line_len {
7864 let mut chunk_len = max_line_len - line.len();
7865 while !line_chunk.is_char_boundary(chunk_len) {
7866 chunk_len -= 1;
7867 }
7868 line_chunk = &line_chunk[..chunk_len];
7869 line_exceeded_max_len = true;
7870 }
7871
7872 styles.push(TextRun {
7873 len: line_chunk.len(),
7874 font: text_style.font(),
7875 color: text_style.color,
7876 background_color: text_style.background_color,
7877 underline: text_style.underline,
7878 strikethrough: text_style.strikethrough,
7879 });
7880
7881 if editor_mode.is_full() && !highlighted_chunk.is_inlay {
7882 // Line wrap pads its contents with fake whitespaces,
7883 // avoid printing them
7884 let is_soft_wrapped = is_row_soft_wrapped(row);
7885 if highlighted_chunk.is_tab {
7886 if non_whitespace_added || !is_soft_wrapped {
7887 invisibles.push(Invisible::Tab {
7888 line_start_offset: line.len(),
7889 line_end_offset: line.len() + line_chunk.len(),
7890 });
7891 }
7892 } else {
7893 invisibles.extend(line_chunk.char_indices().filter_map(
7894 |(index, c)| {
7895 let is_whitespace = c.is_whitespace();
7896 non_whitespace_added |= !is_whitespace;
7897 if is_whitespace
7898 && (non_whitespace_added || !is_soft_wrapped)
7899 {
7900 Some(Invisible::Whitespace {
7901 line_offset: line.len() + index,
7902 })
7903 } else {
7904 None
7905 }
7906 },
7907 ))
7908 }
7909 }
7910
7911 line.push_str(line_chunk);
7912 }
7913 }
7914 }
7915 }
7916
7917 layouts
7918 }
7919
7920 /// Takes text runs and non-overlapping left-to-right background ranges with color.
7921 /// Returns new text runs with adjusted contrast as per background ranges.
7922 fn split_runs_by_bg_segments(
7923 text_runs: &[TextRun],
7924 bg_segments: &[(Range<DisplayPoint>, Hsla)],
7925 min_contrast: f32,
7926 start_col_offset: usize,
7927 ) -> Vec<TextRun> {
7928 let mut output_runs: Vec<TextRun> = Vec::with_capacity(text_runs.len());
7929 let mut line_col = start_col_offset;
7930 let mut segment_ix = 0usize;
7931
7932 for text_run in text_runs.iter() {
7933 let run_start_col = line_col;
7934 let run_end_col = run_start_col + text_run.len;
7935 while segment_ix < bg_segments.len()
7936 && (bg_segments[segment_ix].0.end.column() as usize) <= run_start_col
7937 {
7938 segment_ix += 1;
7939 }
7940 let mut cursor_col = run_start_col;
7941 let mut local_segment_ix = segment_ix;
7942 while local_segment_ix < bg_segments.len() {
7943 let (range, segment_color) = &bg_segments[local_segment_ix];
7944 let segment_start_col = range.start.column() as usize;
7945 let segment_end_col = range.end.column() as usize;
7946 if segment_start_col >= run_end_col {
7947 break;
7948 }
7949 if segment_start_col > cursor_col {
7950 let span_len = segment_start_col - cursor_col;
7951 output_runs.push(TextRun {
7952 len: span_len,
7953 font: text_run.font.clone(),
7954 color: text_run.color,
7955 background_color: text_run.background_color,
7956 underline: text_run.underline,
7957 strikethrough: text_run.strikethrough,
7958 });
7959 cursor_col = segment_start_col;
7960 }
7961 let segment_slice_end_col = segment_end_col.min(run_end_col);
7962 if segment_slice_end_col > cursor_col {
7963 let new_text_color =
7964 ensure_minimum_contrast(text_run.color, *segment_color, min_contrast);
7965 output_runs.push(TextRun {
7966 len: segment_slice_end_col - cursor_col,
7967 font: text_run.font.clone(),
7968 color: new_text_color,
7969 background_color: text_run.background_color,
7970 underline: text_run.underline,
7971 strikethrough: text_run.strikethrough,
7972 });
7973 cursor_col = segment_slice_end_col;
7974 }
7975 if segment_end_col >= run_end_col {
7976 break;
7977 }
7978 local_segment_ix += 1;
7979 }
7980 if cursor_col < run_end_col {
7981 output_runs.push(TextRun {
7982 len: run_end_col - cursor_col,
7983 font: text_run.font.clone(),
7984 color: text_run.color,
7985 background_color: text_run.background_color,
7986 underline: text_run.underline,
7987 strikethrough: text_run.strikethrough,
7988 });
7989 }
7990 line_col = run_end_col;
7991 segment_ix = local_segment_ix;
7992 }
7993 output_runs
7994 }
7995
7996 fn prepaint(
7997 &mut self,
7998 line_height: Pixels,
7999 scroll_position: gpui::Point<ScrollOffset>,
8000 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
8001 row: DisplayRow,
8002 content_origin: gpui::Point<Pixels>,
8003 line_elements: &mut SmallVec<[AnyElement; 1]>,
8004 window: &mut Window,
8005 cx: &mut App,
8006 ) {
8007 let line_y = f32::from(line_height) * Pixels::from(row.as_f64() - scroll_position.y);
8008 let mut fragment_origin =
8009 content_origin + gpui::point(Pixels::from(-scroll_pixel_position.x), line_y);
8010 for fragment in &mut self.fragments {
8011 match fragment {
8012 LineFragment::Text(line) => {
8013 fragment_origin.x += line.width;
8014 }
8015 LineFragment::Element { element, size, .. } => {
8016 let mut element = element
8017 .take()
8018 .expect("you can't prepaint LineWithInvisibles twice");
8019
8020 // Center the element vertically within the line.
8021 let mut element_origin = fragment_origin;
8022 element_origin.y += (line_height - size.height) / 2.;
8023 element.prepaint_at(element_origin, window, cx);
8024 line_elements.push(element);
8025
8026 fragment_origin.x += size.width;
8027 }
8028 }
8029 }
8030 }
8031
8032 fn draw(
8033 &self,
8034 layout: &EditorLayout,
8035 row: DisplayRow,
8036 content_origin: gpui::Point<Pixels>,
8037 whitespace_setting: ShowWhitespaceSetting,
8038 selection_ranges: &[Range<DisplayPoint>],
8039 window: &mut Window,
8040 cx: &mut App,
8041 ) {
8042 let line_height = layout.position_map.line_height;
8043 let line_y = line_height * (row.as_f64() - layout.position_map.scroll_position.y) as f32;
8044
8045 let mut fragment_origin = content_origin
8046 + gpui::point(
8047 Pixels::from(-layout.position_map.scroll_pixel_position.x),
8048 line_y,
8049 );
8050
8051 for fragment in &self.fragments {
8052 match fragment {
8053 LineFragment::Text(line) => {
8054 line.paint(fragment_origin, line_height, window, cx)
8055 .log_err();
8056 fragment_origin.x += line.width;
8057 }
8058 LineFragment::Element { size, .. } => {
8059 fragment_origin.x += size.width;
8060 }
8061 }
8062 }
8063
8064 self.draw_invisibles(
8065 selection_ranges,
8066 layout,
8067 content_origin,
8068 line_y,
8069 row,
8070 line_height,
8071 whitespace_setting,
8072 window,
8073 cx,
8074 );
8075 }
8076
8077 fn draw_background(
8078 &self,
8079 layout: &EditorLayout,
8080 row: DisplayRow,
8081 content_origin: gpui::Point<Pixels>,
8082 window: &mut Window,
8083 cx: &mut App,
8084 ) {
8085 let line_height = layout.position_map.line_height;
8086 let line_y = line_height * (row.as_f64() - layout.position_map.scroll_position.y) as f32;
8087
8088 let mut fragment_origin = content_origin
8089 + gpui::point(
8090 Pixels::from(-layout.position_map.scroll_pixel_position.x),
8091 line_y,
8092 );
8093
8094 for fragment in &self.fragments {
8095 match fragment {
8096 LineFragment::Text(line) => {
8097 line.paint_background(fragment_origin, line_height, window, cx)
8098 .log_err();
8099 fragment_origin.x += line.width;
8100 }
8101 LineFragment::Element { size, .. } => {
8102 fragment_origin.x += size.width;
8103 }
8104 }
8105 }
8106 }
8107
8108 fn draw_invisibles(
8109 &self,
8110 selection_ranges: &[Range<DisplayPoint>],
8111 layout: &EditorLayout,
8112 content_origin: gpui::Point<Pixels>,
8113 line_y: Pixels,
8114 row: DisplayRow,
8115 line_height: Pixels,
8116 whitespace_setting: ShowWhitespaceSetting,
8117 window: &mut Window,
8118 cx: &mut App,
8119 ) {
8120 let extract_whitespace_info = |invisible: &Invisible| {
8121 let (token_offset, token_end_offset, invisible_symbol) = match invisible {
8122 Invisible::Tab {
8123 line_start_offset,
8124 line_end_offset,
8125 } => (*line_start_offset, *line_end_offset, &layout.tab_invisible),
8126 Invisible::Whitespace { line_offset } => {
8127 (*line_offset, line_offset + 1, &layout.space_invisible)
8128 }
8129 };
8130
8131 let x_offset: ScrollPixelOffset = self.x_for_index(token_offset).into();
8132 let invisible_offset: ScrollPixelOffset =
8133 ((layout.position_map.em_width - invisible_symbol.width).max(Pixels::ZERO) / 2.0)
8134 .into();
8135 let origin = content_origin
8136 + gpui::point(
8137 Pixels::from(
8138 x_offset + invisible_offset - layout.position_map.scroll_pixel_position.x,
8139 ),
8140 line_y,
8141 );
8142
8143 (
8144 [token_offset, token_end_offset],
8145 Box::new(move |window: &mut Window, cx: &mut App| {
8146 invisible_symbol
8147 .paint(origin, line_height, window, cx)
8148 .log_err();
8149 }),
8150 )
8151 };
8152
8153 let invisible_iter = self.invisibles.iter().map(extract_whitespace_info);
8154 match whitespace_setting {
8155 ShowWhitespaceSetting::None => (),
8156 ShowWhitespaceSetting::All => invisible_iter.for_each(|(_, paint)| paint(window, cx)),
8157 ShowWhitespaceSetting::Selection => invisible_iter.for_each(|([start, _], paint)| {
8158 let invisible_point = DisplayPoint::new(row, start as u32);
8159 if !selection_ranges
8160 .iter()
8161 .any(|region| region.start <= invisible_point && invisible_point < region.end)
8162 {
8163 return;
8164 }
8165
8166 paint(window, cx);
8167 }),
8168
8169 ShowWhitespaceSetting::Trailing => {
8170 let mut previous_start = self.len;
8171 for ([start, end], paint) in invisible_iter.rev() {
8172 if previous_start != end {
8173 break;
8174 }
8175 previous_start = start;
8176 paint(window, cx);
8177 }
8178 }
8179
8180 // For a whitespace to be on a boundary, any of the following conditions need to be met:
8181 // - It is a tab
8182 // - It is adjacent to an edge (start or end)
8183 // - It is adjacent to a whitespace (left or right)
8184 ShowWhitespaceSetting::Boundary => {
8185 // 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
8186 // the above cases.
8187 // Note: We zip in the original `invisibles` to check for tab equality
8188 let mut last_seen: Option<(bool, usize, Box<dyn Fn(&mut Window, &mut App)>)> = None;
8189 for (([start, end], paint), invisible) in
8190 invisible_iter.zip_eq(self.invisibles.iter())
8191 {
8192 let should_render = match (&last_seen, invisible) {
8193 (_, Invisible::Tab { .. }) => true,
8194 (Some((_, last_end, _)), _) => *last_end == start,
8195 _ => false,
8196 };
8197
8198 if should_render || start == 0 || end == self.len {
8199 paint(window, cx);
8200
8201 // Since we are scanning from the left, we will skip over the first available whitespace that is part
8202 // of a boundary between non-whitespace segments, so we correct by manually redrawing it if needed.
8203 if let Some((should_render_last, last_end, paint_last)) = last_seen {
8204 // Note that we need to make sure that the last one is actually adjacent
8205 if !should_render_last && last_end == start {
8206 paint_last(window, cx);
8207 }
8208 }
8209 }
8210
8211 // Manually render anything within a selection
8212 let invisible_point = DisplayPoint::new(row, start as u32);
8213 if selection_ranges.iter().any(|region| {
8214 region.start <= invisible_point && invisible_point < region.end
8215 }) {
8216 paint(window, cx);
8217 }
8218
8219 last_seen = Some((should_render, end, paint));
8220 }
8221 }
8222 }
8223 }
8224
8225 pub fn x_for_index(&self, index: usize) -> Pixels {
8226 let mut fragment_start_x = Pixels::ZERO;
8227 let mut fragment_start_index = 0;
8228
8229 for fragment in &self.fragments {
8230 match fragment {
8231 LineFragment::Text(shaped_line) => {
8232 let fragment_end_index = fragment_start_index + shaped_line.len;
8233 if index < fragment_end_index {
8234 return fragment_start_x
8235 + shaped_line.x_for_index(index - fragment_start_index);
8236 }
8237 fragment_start_x += shaped_line.width;
8238 fragment_start_index = fragment_end_index;
8239 }
8240 LineFragment::Element { len, size, .. } => {
8241 let fragment_end_index = fragment_start_index + len;
8242 if index < fragment_end_index {
8243 return fragment_start_x;
8244 }
8245 fragment_start_x += size.width;
8246 fragment_start_index = fragment_end_index;
8247 }
8248 }
8249 }
8250
8251 fragment_start_x
8252 }
8253
8254 pub fn index_for_x(&self, x: Pixels) -> Option<usize> {
8255 let mut fragment_start_x = Pixels::ZERO;
8256 let mut fragment_start_index = 0;
8257
8258 for fragment in &self.fragments {
8259 match fragment {
8260 LineFragment::Text(shaped_line) => {
8261 let fragment_end_x = fragment_start_x + shaped_line.width;
8262 if x < fragment_end_x {
8263 return Some(
8264 fragment_start_index + shaped_line.index_for_x(x - fragment_start_x)?,
8265 );
8266 }
8267 fragment_start_x = fragment_end_x;
8268 fragment_start_index += shaped_line.len;
8269 }
8270 LineFragment::Element { len, size, .. } => {
8271 let fragment_end_x = fragment_start_x + size.width;
8272 if x < fragment_end_x {
8273 return Some(fragment_start_index);
8274 }
8275 fragment_start_index += len;
8276 fragment_start_x = fragment_end_x;
8277 }
8278 }
8279 }
8280
8281 None
8282 }
8283
8284 pub fn font_id_for_index(&self, index: usize) -> Option<FontId> {
8285 let mut fragment_start_index = 0;
8286
8287 for fragment in &self.fragments {
8288 match fragment {
8289 LineFragment::Text(shaped_line) => {
8290 let fragment_end_index = fragment_start_index + shaped_line.len;
8291 if index < fragment_end_index {
8292 return shaped_line.font_id_for_index(index - fragment_start_index);
8293 }
8294 fragment_start_index = fragment_end_index;
8295 }
8296 LineFragment::Element { len, .. } => {
8297 let fragment_end_index = fragment_start_index + len;
8298 if index < fragment_end_index {
8299 return None;
8300 }
8301 fragment_start_index = fragment_end_index;
8302 }
8303 }
8304 }
8305
8306 None
8307 }
8308}
8309
8310#[derive(Debug, Clone, Copy, PartialEq, Eq)]
8311enum Invisible {
8312 /// A tab character
8313 ///
8314 /// A tab character is internally represented by spaces (configured by the user's tab width)
8315 /// aligned to the nearest column, so it's necessary to store the start and end offset for
8316 /// adjacency checks.
8317 Tab {
8318 line_start_offset: usize,
8319 line_end_offset: usize,
8320 },
8321 Whitespace {
8322 line_offset: usize,
8323 },
8324}
8325
8326impl EditorElement {
8327 /// Returns the rem size to use when rendering the [`EditorElement`].
8328 ///
8329 /// This allows UI elements to scale based on the `buffer_font_size`.
8330 fn rem_size(&self, cx: &mut App) -> Option<Pixels> {
8331 match self.editor.read(cx).mode {
8332 EditorMode::Full {
8333 scale_ui_elements_with_buffer_font_size: true,
8334 ..
8335 }
8336 | EditorMode::Minimap { .. } => {
8337 let buffer_font_size = self.style.text.font_size;
8338 match buffer_font_size {
8339 AbsoluteLength::Pixels(pixels) => {
8340 let rem_size_scale = {
8341 // Our default UI font size is 14px on a 16px base scale.
8342 // This means the default UI font size is 0.875rems.
8343 let default_font_size_scale = 14. / ui::BASE_REM_SIZE_IN_PX;
8344
8345 // We then determine the delta between a single rem and the default font
8346 // size scale.
8347 let default_font_size_delta = 1. - default_font_size_scale;
8348
8349 // Finally, we add this delta to 1rem to get the scale factor that
8350 // should be used to scale up the UI.
8351 1. + default_font_size_delta
8352 };
8353
8354 Some(pixels * rem_size_scale)
8355 }
8356 AbsoluteLength::Rems(rems) => {
8357 Some(rems.to_pixels(ui::BASE_REM_SIZE_IN_PX.into()))
8358 }
8359 }
8360 }
8361 // We currently use single-line and auto-height editors in UI contexts,
8362 // so we don't want to scale everything with the buffer font size, as it
8363 // ends up looking off.
8364 _ => None,
8365 }
8366 }
8367
8368 fn editor_with_selections(&self, cx: &App) -> Option<Entity<Editor>> {
8369 if let EditorMode::Minimap { parent } = self.editor.read(cx).mode() {
8370 parent.upgrade()
8371 } else {
8372 Some(self.editor.clone())
8373 }
8374 }
8375}
8376
8377impl Element for EditorElement {
8378 type RequestLayoutState = ();
8379 type PrepaintState = EditorLayout;
8380
8381 fn id(&self) -> Option<ElementId> {
8382 None
8383 }
8384
8385 fn source_location(&self) -> Option<&'static core::panic::Location<'static>> {
8386 None
8387 }
8388
8389 fn request_layout(
8390 &mut self,
8391 _: Option<&GlobalElementId>,
8392 _inspector_id: Option<&gpui::InspectorElementId>,
8393 window: &mut Window,
8394 cx: &mut App,
8395 ) -> (gpui::LayoutId, ()) {
8396 let rem_size = self.rem_size(cx);
8397 window.with_rem_size(rem_size, |window| {
8398 self.editor.update(cx, |editor, cx| {
8399 editor.set_style(self.style.clone(), window, cx);
8400
8401 let layout_id = match editor.mode {
8402 EditorMode::SingleLine => {
8403 let rem_size = window.rem_size();
8404 let height = self.style.text.line_height_in_pixels(rem_size);
8405 let mut style = Style::default();
8406 style.size.height = height.into();
8407 style.size.width = relative(1.).into();
8408 window.request_layout(style, None, cx)
8409 }
8410 EditorMode::AutoHeight {
8411 min_lines,
8412 max_lines,
8413 } => {
8414 let editor_handle = cx.entity();
8415 let max_line_number_width =
8416 self.max_line_number_width(&editor.snapshot(window, cx), window);
8417 window.request_measured_layout(
8418 Style::default(),
8419 move |known_dimensions, available_space, window, cx| {
8420 editor_handle
8421 .update(cx, |editor, cx| {
8422 compute_auto_height_layout(
8423 editor,
8424 min_lines,
8425 max_lines,
8426 max_line_number_width,
8427 known_dimensions,
8428 available_space.width,
8429 window,
8430 cx,
8431 )
8432 })
8433 .unwrap_or_default()
8434 },
8435 )
8436 }
8437 EditorMode::Minimap { .. } => {
8438 let mut style = Style::default();
8439 style.size.width = relative(1.).into();
8440 style.size.height = relative(1.).into();
8441 window.request_layout(style, None, cx)
8442 }
8443 EditorMode::Full {
8444 sized_by_content, ..
8445 } => {
8446 let mut style = Style::default();
8447 style.size.width = relative(1.).into();
8448 if sized_by_content {
8449 let snapshot = editor.snapshot(window, cx);
8450 let line_height =
8451 self.style.text.line_height_in_pixels(window.rem_size());
8452 let scroll_height =
8453 (snapshot.max_point().row().next_row().0 as f32) * line_height;
8454 style.size.height = scroll_height.into();
8455 } else {
8456 style.size.height = relative(1.).into();
8457 }
8458 window.request_layout(style, None, cx)
8459 }
8460 };
8461
8462 (layout_id, ())
8463 })
8464 })
8465 }
8466
8467 fn prepaint(
8468 &mut self,
8469 _: Option<&GlobalElementId>,
8470 _inspector_id: Option<&gpui::InspectorElementId>,
8471 bounds: Bounds<Pixels>,
8472 _: &mut Self::RequestLayoutState,
8473 window: &mut Window,
8474 cx: &mut App,
8475 ) -> Self::PrepaintState {
8476 let text_style = TextStyleRefinement {
8477 font_size: Some(self.style.text.font_size),
8478 line_height: Some(self.style.text.line_height),
8479 ..Default::default()
8480 };
8481
8482 let is_minimap = self.editor.read(cx).mode.is_minimap();
8483
8484 if !is_minimap {
8485 let focus_handle = self.editor.focus_handle(cx);
8486 window.set_view_id(self.editor.entity_id());
8487 window.set_focus_handle(&focus_handle, cx);
8488 }
8489
8490 let rem_size = self.rem_size(cx);
8491 window.with_rem_size(rem_size, |window| {
8492 window.with_text_style(Some(text_style), |window| {
8493 window.with_content_mask(Some(ContentMask { bounds }), |window| {
8494 let (mut snapshot, is_read_only) = self.editor.update(cx, |editor, cx| {
8495 (editor.snapshot(window, cx), editor.read_only(cx))
8496 });
8497 let style = &self.style;
8498
8499 let rem_size = window.rem_size();
8500 let font_id = window.text_system().resolve_font(&style.text.font());
8501 let font_size = style.text.font_size.to_pixels(rem_size);
8502 let line_height = style.text.line_height_in_pixels(rem_size);
8503 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
8504 let em_advance = window.text_system().em_advance(font_id, font_size).unwrap();
8505 let glyph_grid_cell = size(em_advance, line_height);
8506
8507 let gutter_dimensions = snapshot
8508 .gutter_dimensions(
8509 font_id,
8510 font_size,
8511 self.max_line_number_width(&snapshot, window),
8512 cx,
8513 )
8514 .or_else(|| {
8515 self.editor.read(cx).offset_content.then(|| {
8516 GutterDimensions::default_with_margin(font_id, font_size, cx)
8517 })
8518 })
8519 .unwrap_or_default();
8520 let text_width = bounds.size.width - gutter_dimensions.width;
8521
8522 let settings = EditorSettings::get_global(cx);
8523 let scrollbars_shown = settings.scrollbar.show != ShowScrollbar::Never;
8524 let vertical_scrollbar_width = (scrollbars_shown
8525 && settings.scrollbar.axes.vertical
8526 && self.editor.read(cx).show_scrollbars.vertical)
8527 .then_some(style.scrollbar_width)
8528 .unwrap_or_default();
8529 let minimap_width = self
8530 .get_minimap_width(
8531 &settings.minimap,
8532 scrollbars_shown,
8533 text_width,
8534 em_width,
8535 font_size,
8536 rem_size,
8537 cx,
8538 )
8539 .unwrap_or_default();
8540
8541 let right_margin = minimap_width + vertical_scrollbar_width;
8542
8543 let editor_width =
8544 text_width - gutter_dimensions.margin - 2 * em_width - right_margin;
8545 let editor_margins = EditorMargins {
8546 gutter: gutter_dimensions,
8547 right: right_margin,
8548 };
8549
8550 snapshot = self.editor.update(cx, |editor, cx| {
8551 editor.last_bounds = Some(bounds);
8552 editor.gutter_dimensions = gutter_dimensions;
8553 editor.set_visible_line_count(
8554 (bounds.size.height / line_height) as f64,
8555 window,
8556 cx,
8557 );
8558 editor.set_visible_column_count(f64::from(editor_width / em_advance));
8559
8560 if matches!(
8561 editor.mode,
8562 EditorMode::AutoHeight { .. } | EditorMode::Minimap { .. }
8563 ) {
8564 snapshot
8565 } else {
8566 let wrap_width_for = |column: u32| (column as f32 * em_advance).ceil();
8567 let wrap_width = match editor.soft_wrap_mode(cx) {
8568 SoftWrap::GitDiff => None,
8569 SoftWrap::None => Some(wrap_width_for(MAX_LINE_LEN as u32 / 2)),
8570 SoftWrap::EditorWidth => Some(editor_width),
8571 SoftWrap::Column(column) => Some(wrap_width_for(column)),
8572 SoftWrap::Bounded(column) => {
8573 Some(editor_width.min(wrap_width_for(column)))
8574 }
8575 };
8576
8577 if editor.set_wrap_width(wrap_width, cx) {
8578 editor.snapshot(window, cx)
8579 } else {
8580 snapshot
8581 }
8582 }
8583 });
8584
8585 let hitbox = window.insert_hitbox(bounds, HitboxBehavior::Normal);
8586 let gutter_hitbox = window.insert_hitbox(
8587 gutter_bounds(bounds, gutter_dimensions),
8588 HitboxBehavior::Normal,
8589 );
8590 let text_hitbox = window.insert_hitbox(
8591 Bounds {
8592 origin: gutter_hitbox.top_right(),
8593 size: size(text_width, bounds.size.height),
8594 },
8595 HitboxBehavior::Normal,
8596 );
8597
8598 // Offset the content_bounds from the text_bounds by the gutter margin (which
8599 // is roughly half a character wide) to make hit testing work more like how we want.
8600 let content_offset = point(editor_margins.gutter.margin, Pixels::ZERO);
8601 let content_origin = text_hitbox.origin + content_offset;
8602
8603 let height_in_lines = f64::from(bounds.size.height / line_height);
8604 let max_row = snapshot.max_point().row().as_f64();
8605
8606 // The max scroll position for the top of the window
8607 let max_scroll_top = if matches!(
8608 snapshot.mode,
8609 EditorMode::SingleLine
8610 | EditorMode::AutoHeight { .. }
8611 | EditorMode::Full {
8612 sized_by_content: true,
8613 ..
8614 }
8615 ) {
8616 (max_row - height_in_lines + 1.).max(0.)
8617 } else {
8618 let settings = EditorSettings::get_global(cx);
8619 match settings.scroll_beyond_last_line {
8620 ScrollBeyondLastLine::OnePage => max_row,
8621 ScrollBeyondLastLine::Off => (max_row - height_in_lines + 1.).max(0.),
8622 ScrollBeyondLastLine::VerticalScrollMargin => {
8623 (max_row - height_in_lines + 1. + settings.vertical_scroll_margin)
8624 .max(0.)
8625 }
8626 }
8627 };
8628
8629 let (
8630 autoscroll_request,
8631 autoscroll_containing_element,
8632 needs_horizontal_autoscroll,
8633 ) = self.editor.update(cx, |editor, cx| {
8634 let autoscroll_request = editor.scroll_manager.take_autoscroll_request();
8635
8636 let autoscroll_containing_element =
8637 autoscroll_request.is_some() || editor.has_pending_selection();
8638
8639 let (needs_horizontal_autoscroll, was_scrolled) = editor
8640 .autoscroll_vertically(
8641 bounds,
8642 line_height,
8643 max_scroll_top,
8644 autoscroll_request,
8645 window,
8646 cx,
8647 );
8648 if was_scrolled.0 {
8649 snapshot = editor.snapshot(window, cx);
8650 }
8651 (
8652 autoscroll_request,
8653 autoscroll_containing_element,
8654 needs_horizontal_autoscroll,
8655 )
8656 });
8657
8658 let mut scroll_position = snapshot.scroll_position();
8659 // The scroll position is a fractional point, the whole number of which represents
8660 // the top of the window in terms of display rows.
8661 let start_row = DisplayRow(scroll_position.y as u32);
8662 let max_row = snapshot.max_point().row();
8663 let end_row = cmp::min(
8664 (scroll_position.y + height_in_lines).ceil() as u32,
8665 max_row.next_row().0,
8666 );
8667 let end_row = DisplayRow(end_row);
8668
8669 let row_infos = snapshot
8670 .row_infos(start_row)
8671 .take((start_row..end_row).len())
8672 .collect::<Vec<RowInfo>>();
8673 let is_row_soft_wrapped = |row: usize| {
8674 row_infos
8675 .get(row)
8676 .is_none_or(|info| info.buffer_row.is_none())
8677 };
8678
8679 let start_anchor = if start_row == Default::default() {
8680 Anchor::min()
8681 } else {
8682 snapshot.buffer_snapshot().anchor_before(
8683 DisplayPoint::new(start_row, 0).to_offset(&snapshot, Bias::Left),
8684 )
8685 };
8686 let end_anchor = if end_row > max_row {
8687 Anchor::max()
8688 } else {
8689 snapshot.buffer_snapshot().anchor_before(
8690 DisplayPoint::new(end_row, 0).to_offset(&snapshot, Bias::Right),
8691 )
8692 };
8693
8694 let mut highlighted_rows = self
8695 .editor
8696 .update(cx, |editor, cx| editor.highlighted_display_rows(window, cx));
8697
8698 let is_light = cx.theme().appearance().is_light();
8699
8700 for (ix, row_info) in row_infos.iter().enumerate() {
8701 let Some(diff_status) = row_info.diff_status else {
8702 continue;
8703 };
8704
8705 let background_color = match diff_status.kind {
8706 DiffHunkStatusKind::Added => cx.theme().colors().version_control_added,
8707 DiffHunkStatusKind::Deleted => {
8708 cx.theme().colors().version_control_deleted
8709 }
8710 DiffHunkStatusKind::Modified => {
8711 debug_panic!("modified diff status for row info");
8712 continue;
8713 }
8714 };
8715
8716 let hunk_opacity = if is_light { 0.16 } else { 0.12 };
8717
8718 let hollow_highlight = LineHighlight {
8719 background: (background_color.opacity(if is_light {
8720 0.08
8721 } else {
8722 0.06
8723 }))
8724 .into(),
8725 border: Some(if is_light {
8726 background_color.opacity(0.48)
8727 } else {
8728 background_color.opacity(0.36)
8729 }),
8730 include_gutter: true,
8731 type_id: None,
8732 };
8733
8734 let filled_highlight = LineHighlight {
8735 background: solid_background(background_color.opacity(hunk_opacity)),
8736 border: None,
8737 include_gutter: true,
8738 type_id: None,
8739 };
8740
8741 let background = if Self::diff_hunk_hollow(diff_status, cx) {
8742 hollow_highlight
8743 } else {
8744 filled_highlight
8745 };
8746
8747 highlighted_rows
8748 .entry(start_row + DisplayRow(ix as u32))
8749 .or_insert(background);
8750 }
8751
8752 let highlighted_ranges = self
8753 .editor_with_selections(cx)
8754 .map(|editor| {
8755 editor.read(cx).background_highlights_in_range(
8756 start_anchor..end_anchor,
8757 &snapshot.display_snapshot,
8758 cx.theme(),
8759 )
8760 })
8761 .unwrap_or_default();
8762 let highlighted_gutter_ranges =
8763 self.editor.read(cx).gutter_highlights_in_range(
8764 start_anchor..end_anchor,
8765 &snapshot.display_snapshot,
8766 cx,
8767 );
8768
8769 let document_colors = self
8770 .editor
8771 .read(cx)
8772 .colors
8773 .as_ref()
8774 .map(|colors| colors.editor_display_highlights(&snapshot));
8775 let redacted_ranges = self.editor.read(cx).redacted_ranges(
8776 start_anchor..end_anchor,
8777 &snapshot.display_snapshot,
8778 cx,
8779 );
8780
8781 let (local_selections, selected_buffer_ids): (
8782 Vec<Selection<Point>>,
8783 Vec<BufferId>,
8784 ) = self
8785 .editor_with_selections(cx)
8786 .map(|editor| {
8787 editor.update(cx, |editor, cx| {
8788 let all_selections = editor.selections.all::<Point>(cx);
8789 let selected_buffer_ids =
8790 if editor.buffer_kind(cx) == ItemBufferKind::Singleton {
8791 Vec::new()
8792 } else {
8793 let mut selected_buffer_ids =
8794 Vec::with_capacity(all_selections.len());
8795
8796 for selection in all_selections {
8797 for buffer_id in snapshot
8798 .buffer_snapshot()
8799 .buffer_ids_for_range(selection.range())
8800 {
8801 if selected_buffer_ids.last() != Some(&buffer_id) {
8802 selected_buffer_ids.push(buffer_id);
8803 }
8804 }
8805 }
8806
8807 selected_buffer_ids
8808 };
8809
8810 let mut selections = editor
8811 .selections
8812 .disjoint_in_range(start_anchor..end_anchor, cx);
8813 selections.extend(editor.selections.pending(cx));
8814
8815 (selections, selected_buffer_ids)
8816 })
8817 })
8818 .unwrap_or_default();
8819
8820 let (selections, mut active_rows, newest_selection_head) = self
8821 .layout_selections(
8822 start_anchor,
8823 end_anchor,
8824 &local_selections,
8825 &snapshot,
8826 start_row,
8827 end_row,
8828 window,
8829 cx,
8830 );
8831 let mut breakpoint_rows = self.editor.update(cx, |editor, cx| {
8832 editor.active_breakpoints(start_row..end_row, window, cx)
8833 });
8834 for (display_row, (_, bp, state)) in &breakpoint_rows {
8835 if bp.is_enabled() && state.is_none_or(|s| s.verified) {
8836 active_rows.entry(*display_row).or_default().breakpoint = true;
8837 }
8838 }
8839
8840 let line_numbers = self.layout_line_numbers(
8841 Some(&gutter_hitbox),
8842 gutter_dimensions,
8843 line_height,
8844 scroll_position,
8845 start_row..end_row,
8846 &row_infos,
8847 &active_rows,
8848 newest_selection_head,
8849 &snapshot,
8850 window,
8851 cx,
8852 );
8853
8854 // We add the gutter breakpoint indicator to breakpoint_rows after painting
8855 // line numbers so we don't paint a line number debug accent color if a user
8856 // has their mouse over that line when a breakpoint isn't there
8857 self.editor.update(cx, |editor, _| {
8858 if let Some(phantom_breakpoint) = &mut editor
8859 .gutter_breakpoint_indicator
8860 .0
8861 .filter(|phantom_breakpoint| phantom_breakpoint.is_active)
8862 {
8863 // Is there a non-phantom breakpoint on this line?
8864 phantom_breakpoint.collides_with_existing_breakpoint = true;
8865 breakpoint_rows
8866 .entry(phantom_breakpoint.display_row)
8867 .or_insert_with(|| {
8868 let position = snapshot.display_point_to_anchor(
8869 DisplayPoint::new(phantom_breakpoint.display_row, 0),
8870 Bias::Right,
8871 );
8872 let breakpoint = Breakpoint::new_standard();
8873 phantom_breakpoint.collides_with_existing_breakpoint = false;
8874 (position, breakpoint, None)
8875 });
8876 }
8877 });
8878
8879 let mut expand_toggles =
8880 window.with_element_namespace("expand_toggles", |window| {
8881 self.layout_expand_toggles(
8882 &gutter_hitbox,
8883 gutter_dimensions,
8884 em_width,
8885 line_height,
8886 scroll_position,
8887 &row_infos,
8888 window,
8889 cx,
8890 )
8891 });
8892
8893 let mut crease_toggles =
8894 window.with_element_namespace("crease_toggles", |window| {
8895 self.layout_crease_toggles(
8896 start_row..end_row,
8897 &row_infos,
8898 &active_rows,
8899 &snapshot,
8900 window,
8901 cx,
8902 )
8903 });
8904 let crease_trailers =
8905 window.with_element_namespace("crease_trailers", |window| {
8906 self.layout_crease_trailers(
8907 row_infos.iter().copied(),
8908 &snapshot,
8909 window,
8910 cx,
8911 )
8912 });
8913
8914 let display_hunks = self.layout_gutter_diff_hunks(
8915 line_height,
8916 &gutter_hitbox,
8917 start_row..end_row,
8918 &snapshot,
8919 window,
8920 cx,
8921 );
8922
8923 let bg_segments_per_row = Self::bg_segments_per_row(
8924 start_row..end_row,
8925 &selections,
8926 &highlighted_ranges,
8927 self.style.background,
8928 );
8929
8930 let mut line_layouts = Self::layout_lines(
8931 start_row..end_row,
8932 &snapshot,
8933 &self.style,
8934 editor_width,
8935 is_row_soft_wrapped,
8936 &bg_segments_per_row,
8937 window,
8938 cx,
8939 );
8940 let new_renderer_widths = (!is_minimap).then(|| {
8941 line_layouts
8942 .iter()
8943 .flat_map(|layout| &layout.fragments)
8944 .filter_map(|fragment| {
8945 if let LineFragment::Element { id, size, .. } = fragment {
8946 Some((*id, size.width))
8947 } else {
8948 None
8949 }
8950 })
8951 });
8952 if new_renderer_widths.is_some_and(|new_renderer_widths| {
8953 self.editor.update(cx, |editor, cx| {
8954 editor.update_renderer_widths(new_renderer_widths, cx)
8955 })
8956 }) {
8957 // If the fold widths have changed, we need to prepaint
8958 // the element again to account for any changes in
8959 // wrapping.
8960 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
8961 }
8962
8963 let longest_line_blame_width = self
8964 .editor
8965 .update(cx, |editor, cx| {
8966 if !editor.show_git_blame_inline {
8967 return None;
8968 }
8969 let blame = editor.blame.as_ref()?;
8970 let (_, blame_entry) = blame
8971 .update(cx, |blame, cx| {
8972 let row_infos =
8973 snapshot.row_infos(snapshot.longest_row()).next()?;
8974 blame.blame_for_rows(&[row_infos], cx).next()
8975 })
8976 .flatten()?;
8977 let mut element = render_inline_blame_entry(blame_entry, style, cx)?;
8978 let inline_blame_padding =
8979 ProjectSettings::get_global(cx).git.inline_blame.padding as f32
8980 * em_advance;
8981 Some(
8982 element
8983 .layout_as_root(AvailableSpace::min_size(), window, cx)
8984 .width
8985 + inline_blame_padding,
8986 )
8987 })
8988 .unwrap_or(Pixels::ZERO);
8989
8990 let longest_line_width = layout_line(
8991 snapshot.longest_row(),
8992 &snapshot,
8993 style,
8994 editor_width,
8995 is_row_soft_wrapped,
8996 window,
8997 cx,
8998 )
8999 .width;
9000
9001 let scrollbar_layout_information = ScrollbarLayoutInformation::new(
9002 text_hitbox.bounds,
9003 glyph_grid_cell,
9004 size(
9005 longest_line_width,
9006 Pixels::from(max_row.as_f64() * f64::from(line_height)),
9007 ),
9008 longest_line_blame_width,
9009 EditorSettings::get_global(cx),
9010 );
9011
9012 let mut scroll_width = scrollbar_layout_information.scroll_range.width;
9013
9014 let sticky_header_excerpt = if snapshot.buffer_snapshot().show_headers() {
9015 snapshot.sticky_header_excerpt(scroll_position.y)
9016 } else {
9017 None
9018 };
9019 let sticky_header_excerpt_id =
9020 sticky_header_excerpt.as_ref().map(|top| top.excerpt.id);
9021
9022 let blocks = (!is_minimap)
9023 .then(|| {
9024 window.with_element_namespace("blocks", |window| {
9025 self.render_blocks(
9026 start_row..end_row,
9027 &snapshot,
9028 &hitbox,
9029 &text_hitbox,
9030 editor_width,
9031 &mut scroll_width,
9032 &editor_margins,
9033 em_width,
9034 gutter_dimensions.full_width(),
9035 line_height,
9036 &mut line_layouts,
9037 &local_selections,
9038 &selected_buffer_ids,
9039 is_row_soft_wrapped,
9040 sticky_header_excerpt_id,
9041 window,
9042 cx,
9043 )
9044 })
9045 })
9046 .unwrap_or_else(|| Ok((Vec::default(), HashMap::default())));
9047 let (mut blocks, row_block_types) = match blocks {
9048 Ok(blocks) => blocks,
9049 Err(resized_blocks) => {
9050 self.editor.update(cx, |editor, cx| {
9051 editor.resize_blocks(
9052 resized_blocks,
9053 autoscroll_request.map(|(autoscroll, _)| autoscroll),
9054 cx,
9055 )
9056 });
9057 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
9058 }
9059 };
9060
9061 let sticky_buffer_header = sticky_header_excerpt.map(|sticky_header_excerpt| {
9062 window.with_element_namespace("blocks", |window| {
9063 self.layout_sticky_buffer_header(
9064 sticky_header_excerpt,
9065 scroll_position,
9066 line_height,
9067 right_margin,
9068 &snapshot,
9069 &hitbox,
9070 &selected_buffer_ids,
9071 &blocks,
9072 window,
9073 cx,
9074 )
9075 })
9076 });
9077
9078 let start_buffer_row =
9079 MultiBufferRow(start_anchor.to_point(&snapshot.buffer_snapshot()).row);
9080 let end_buffer_row =
9081 MultiBufferRow(end_anchor.to_point(&snapshot.buffer_snapshot()).row);
9082
9083 let scroll_max: gpui::Point<ScrollPixelOffset> = point(
9084 ScrollPixelOffset::from(
9085 ((scroll_width - editor_width) / em_advance).max(0.0),
9086 ),
9087 max_scroll_top,
9088 );
9089
9090 self.editor.update(cx, |editor, cx| {
9091 if editor.scroll_manager.clamp_scroll_left(scroll_max.x) {
9092 scroll_position.x = scroll_position.x.min(scroll_max.x);
9093 }
9094
9095 if needs_horizontal_autoscroll.0
9096 && let Some(new_scroll_position) = editor.autoscroll_horizontally(
9097 start_row,
9098 editor_width,
9099 scroll_width,
9100 em_advance,
9101 &line_layouts,
9102 autoscroll_request,
9103 window,
9104 cx,
9105 )
9106 {
9107 scroll_position = new_scroll_position;
9108 }
9109 });
9110
9111 let scroll_pixel_position = point(
9112 scroll_position.x * f64::from(em_advance),
9113 scroll_position.y * f64::from(line_height),
9114 );
9115 let indent_guides = self.layout_indent_guides(
9116 content_origin,
9117 text_hitbox.origin,
9118 start_buffer_row..end_buffer_row,
9119 scroll_pixel_position,
9120 line_height,
9121 &snapshot,
9122 window,
9123 cx,
9124 );
9125
9126 let crease_trailers =
9127 window.with_element_namespace("crease_trailers", |window| {
9128 self.prepaint_crease_trailers(
9129 crease_trailers,
9130 &line_layouts,
9131 line_height,
9132 content_origin,
9133 scroll_pixel_position,
9134 em_width,
9135 window,
9136 cx,
9137 )
9138 });
9139
9140 let (edit_prediction_popover, edit_prediction_popover_origin) = self
9141 .editor
9142 .update(cx, |editor, cx| {
9143 editor.render_edit_prediction_popover(
9144 &text_hitbox.bounds,
9145 content_origin,
9146 right_margin,
9147 &snapshot,
9148 start_row..end_row,
9149 scroll_position.y,
9150 scroll_position.y + height_in_lines,
9151 &line_layouts,
9152 line_height,
9153 scroll_position,
9154 scroll_pixel_position,
9155 newest_selection_head,
9156 editor_width,
9157 style,
9158 window,
9159 cx,
9160 )
9161 })
9162 .unzip();
9163
9164 let mut inline_diagnostics = self.layout_inline_diagnostics(
9165 &line_layouts,
9166 &crease_trailers,
9167 &row_block_types,
9168 content_origin,
9169 scroll_position,
9170 scroll_pixel_position,
9171 edit_prediction_popover_origin,
9172 start_row,
9173 end_row,
9174 line_height,
9175 em_width,
9176 style,
9177 window,
9178 cx,
9179 );
9180
9181 let mut inline_blame_layout = None;
9182 let mut inline_code_actions = None;
9183 if let Some(newest_selection_head) = newest_selection_head {
9184 let display_row = newest_selection_head.row();
9185 if (start_row..end_row).contains(&display_row)
9186 && !row_block_types.contains_key(&display_row)
9187 {
9188 inline_code_actions = self.layout_inline_code_actions(
9189 newest_selection_head,
9190 content_origin,
9191 scroll_position,
9192 scroll_pixel_position,
9193 line_height,
9194 &snapshot,
9195 window,
9196 cx,
9197 );
9198
9199 let line_ix = display_row.minus(start_row) as usize;
9200 if let (Some(row_info), Some(line_layout), Some(crease_trailer)) = (
9201 row_infos.get(line_ix),
9202 line_layouts.get(line_ix),
9203 crease_trailers.get(line_ix),
9204 ) {
9205 let crease_trailer_layout = crease_trailer.as_ref();
9206 if let Some(layout) = self.layout_inline_blame(
9207 display_row,
9208 row_info,
9209 line_layout,
9210 crease_trailer_layout,
9211 em_width,
9212 content_origin,
9213 scroll_position,
9214 scroll_pixel_position,
9215 line_height,
9216 &text_hitbox,
9217 window,
9218 cx,
9219 ) {
9220 inline_blame_layout = Some(layout);
9221 // Blame overrides inline diagnostics
9222 inline_diagnostics.remove(&display_row);
9223 }
9224 } else {
9225 log::error!(
9226 "bug: line_ix {} is out of bounds - row_infos.len(): {}, \
9227 line_layouts.len(): {}, \
9228 crease_trailers.len(): {}",
9229 line_ix,
9230 row_infos.len(),
9231 line_layouts.len(),
9232 crease_trailers.len(),
9233 );
9234 }
9235 }
9236 }
9237
9238 let blamed_display_rows = self.layout_blame_entries(
9239 &row_infos,
9240 em_width,
9241 scroll_position,
9242 line_height,
9243 &gutter_hitbox,
9244 gutter_dimensions.git_blame_entries_width,
9245 window,
9246 cx,
9247 );
9248
9249 let line_elements = self.prepaint_lines(
9250 start_row,
9251 &mut line_layouts,
9252 line_height,
9253 scroll_position,
9254 scroll_pixel_position,
9255 content_origin,
9256 window,
9257 cx,
9258 );
9259
9260 window.with_element_namespace("blocks", |window| {
9261 self.layout_blocks(
9262 &mut blocks,
9263 &hitbox,
9264 line_height,
9265 scroll_position,
9266 scroll_pixel_position,
9267 window,
9268 cx,
9269 );
9270 });
9271
9272 let cursors = self.collect_cursors(&snapshot, cx);
9273 let visible_row_range = start_row..end_row;
9274 let non_visible_cursors = cursors
9275 .iter()
9276 .any(|c| !visible_row_range.contains(&c.0.row()));
9277
9278 let visible_cursors = self.layout_visible_cursors(
9279 &snapshot,
9280 &selections,
9281 &row_block_types,
9282 start_row..end_row,
9283 &line_layouts,
9284 &text_hitbox,
9285 content_origin,
9286 scroll_position,
9287 scroll_pixel_position,
9288 line_height,
9289 em_width,
9290 em_advance,
9291 autoscroll_containing_element,
9292 window,
9293 cx,
9294 );
9295
9296 let scrollbars_layout = self.layout_scrollbars(
9297 &snapshot,
9298 &scrollbar_layout_information,
9299 content_offset,
9300 scroll_position,
9301 non_visible_cursors,
9302 right_margin,
9303 editor_width,
9304 window,
9305 cx,
9306 );
9307
9308 let gutter_settings = EditorSettings::get_global(cx).gutter;
9309
9310 let context_menu_layout =
9311 if let Some(newest_selection_head) = newest_selection_head {
9312 let newest_selection_point =
9313 newest_selection_head.to_point(&snapshot.display_snapshot);
9314 if (start_row..end_row).contains(&newest_selection_head.row()) {
9315 self.layout_cursor_popovers(
9316 line_height,
9317 &text_hitbox,
9318 content_origin,
9319 right_margin,
9320 start_row,
9321 scroll_pixel_position,
9322 &line_layouts,
9323 newest_selection_head,
9324 newest_selection_point,
9325 style,
9326 window,
9327 cx,
9328 )
9329 } else {
9330 None
9331 }
9332 } else {
9333 None
9334 };
9335
9336 self.layout_gutter_menu(
9337 line_height,
9338 &text_hitbox,
9339 content_origin,
9340 right_margin,
9341 scroll_pixel_position,
9342 gutter_dimensions.width - gutter_dimensions.left_padding,
9343 window,
9344 cx,
9345 );
9346
9347 let test_indicators = if gutter_settings.runnables {
9348 self.layout_run_indicators(
9349 line_height,
9350 start_row..end_row,
9351 &row_infos,
9352 scroll_position,
9353 &gutter_dimensions,
9354 &gutter_hitbox,
9355 &display_hunks,
9356 &snapshot,
9357 &mut breakpoint_rows,
9358 window,
9359 cx,
9360 )
9361 } else {
9362 Vec::new()
9363 };
9364
9365 let show_breakpoints = snapshot
9366 .show_breakpoints
9367 .unwrap_or(gutter_settings.breakpoints);
9368 let breakpoints = if show_breakpoints {
9369 self.layout_breakpoints(
9370 line_height,
9371 start_row..end_row,
9372 scroll_position,
9373 &gutter_dimensions,
9374 &gutter_hitbox,
9375 &display_hunks,
9376 &snapshot,
9377 breakpoint_rows,
9378 &row_infos,
9379 window,
9380 cx,
9381 )
9382 } else {
9383 Vec::new()
9384 };
9385
9386 self.layout_signature_help(
9387 &hitbox,
9388 content_origin,
9389 scroll_pixel_position,
9390 newest_selection_head,
9391 start_row,
9392 &line_layouts,
9393 line_height,
9394 em_width,
9395 context_menu_layout,
9396 window,
9397 cx,
9398 );
9399
9400 if !cx.has_active_drag() {
9401 self.layout_hover_popovers(
9402 &snapshot,
9403 &hitbox,
9404 start_row..end_row,
9405 content_origin,
9406 scroll_pixel_position,
9407 &line_layouts,
9408 line_height,
9409 em_width,
9410 context_menu_layout,
9411 window,
9412 cx,
9413 );
9414 }
9415
9416 let mouse_context_menu = self.layout_mouse_context_menu(
9417 &snapshot,
9418 start_row..end_row,
9419 content_origin,
9420 window,
9421 cx,
9422 );
9423
9424 window.with_element_namespace("crease_toggles", |window| {
9425 self.prepaint_crease_toggles(
9426 &mut crease_toggles,
9427 line_height,
9428 &gutter_dimensions,
9429 gutter_settings,
9430 scroll_pixel_position,
9431 &gutter_hitbox,
9432 window,
9433 cx,
9434 )
9435 });
9436
9437 window.with_element_namespace("expand_toggles", |window| {
9438 self.prepaint_expand_toggles(&mut expand_toggles, window, cx)
9439 });
9440
9441 let wrap_guides = self.layout_wrap_guides(
9442 em_advance,
9443 scroll_position,
9444 content_origin,
9445 scrollbars_layout.as_ref(),
9446 vertical_scrollbar_width,
9447 &hitbox,
9448 window,
9449 cx,
9450 );
9451
9452 let minimap = window.with_element_namespace("minimap", |window| {
9453 self.layout_minimap(
9454 &snapshot,
9455 minimap_width,
9456 scroll_position,
9457 &scrollbar_layout_information,
9458 scrollbars_layout.as_ref(),
9459 window,
9460 cx,
9461 )
9462 });
9463
9464 let invisible_symbol_font_size = font_size / 2.;
9465 let whitespace_map = &self
9466 .editor
9467 .read(cx)
9468 .buffer
9469 .read(cx)
9470 .language_settings(cx)
9471 .whitespace_map;
9472
9473 let tab_char = whitespace_map.tab.clone();
9474 let tab_len = tab_char.len();
9475 let tab_invisible = window.text_system().shape_line(
9476 tab_char,
9477 invisible_symbol_font_size,
9478 &[TextRun {
9479 len: tab_len,
9480 font: self.style.text.font(),
9481 color: cx.theme().colors().editor_invisible,
9482 background_color: None,
9483 underline: None,
9484 strikethrough: None,
9485 }],
9486 None,
9487 );
9488
9489 let space_char = whitespace_map.space.clone();
9490 let space_len = space_char.len();
9491 let space_invisible = window.text_system().shape_line(
9492 space_char,
9493 invisible_symbol_font_size,
9494 &[TextRun {
9495 len: space_len,
9496 font: self.style.text.font(),
9497 color: cx.theme().colors().editor_invisible,
9498 background_color: None,
9499 underline: None,
9500 strikethrough: None,
9501 }],
9502 None,
9503 );
9504
9505 let mode = snapshot.mode.clone();
9506
9507 let (diff_hunk_controls, diff_hunk_control_bounds) = if is_read_only {
9508 (vec![], vec![])
9509 } else {
9510 self.layout_diff_hunk_controls(
9511 start_row..end_row,
9512 &row_infos,
9513 &text_hitbox,
9514 newest_selection_head,
9515 line_height,
9516 right_margin,
9517 scroll_pixel_position,
9518 &display_hunks,
9519 &highlighted_rows,
9520 self.editor.clone(),
9521 window,
9522 cx,
9523 )
9524 };
9525
9526 let position_map = Rc::new(PositionMap {
9527 size: bounds.size,
9528 visible_row_range,
9529 scroll_position,
9530 scroll_pixel_position,
9531 scroll_max,
9532 line_layouts,
9533 line_height,
9534 em_width,
9535 em_advance,
9536 snapshot,
9537 gutter_hitbox: gutter_hitbox.clone(),
9538 text_hitbox: text_hitbox.clone(),
9539 inline_blame_bounds: inline_blame_layout
9540 .as_ref()
9541 .map(|layout| (layout.bounds, layout.buffer_id, layout.entry.clone())),
9542 display_hunks: display_hunks.clone(),
9543 diff_hunk_control_bounds,
9544 });
9545
9546 self.editor.update(cx, |editor, _| {
9547 editor.last_position_map = Some(position_map.clone())
9548 });
9549
9550 EditorLayout {
9551 mode,
9552 position_map,
9553 visible_display_row_range: start_row..end_row,
9554 wrap_guides,
9555 indent_guides,
9556 hitbox,
9557 gutter_hitbox,
9558 display_hunks,
9559 content_origin,
9560 scrollbars_layout,
9561 minimap,
9562 active_rows,
9563 highlighted_rows,
9564 highlighted_ranges,
9565 highlighted_gutter_ranges,
9566 redacted_ranges,
9567 document_colors,
9568 line_elements,
9569 line_numbers,
9570 blamed_display_rows,
9571 inline_diagnostics,
9572 inline_blame_layout,
9573 inline_code_actions,
9574 blocks,
9575 cursors,
9576 visible_cursors,
9577 selections,
9578 edit_prediction_popover,
9579 diff_hunk_controls,
9580 mouse_context_menu,
9581 test_indicators,
9582 breakpoints,
9583 crease_toggles,
9584 crease_trailers,
9585 tab_invisible,
9586 space_invisible,
9587 sticky_buffer_header,
9588 expand_toggles,
9589 }
9590 })
9591 })
9592 })
9593 }
9594
9595 fn paint(
9596 &mut self,
9597 _: Option<&GlobalElementId>,
9598 _inspector_id: Option<&gpui::InspectorElementId>,
9599 bounds: Bounds<gpui::Pixels>,
9600 _: &mut Self::RequestLayoutState,
9601 layout: &mut Self::PrepaintState,
9602 window: &mut Window,
9603 cx: &mut App,
9604 ) {
9605 if !layout.mode.is_minimap() {
9606 let focus_handle = self.editor.focus_handle(cx);
9607 let key_context = self
9608 .editor
9609 .update(cx, |editor, cx| editor.key_context(window, cx));
9610
9611 window.set_key_context(key_context);
9612 window.handle_input(
9613 &focus_handle,
9614 ElementInputHandler::new(bounds, self.editor.clone()),
9615 cx,
9616 );
9617 self.register_actions(window, cx);
9618 self.register_key_listeners(window, cx, layout);
9619 }
9620
9621 let text_style = TextStyleRefinement {
9622 font_size: Some(self.style.text.font_size),
9623 line_height: Some(self.style.text.line_height),
9624 ..Default::default()
9625 };
9626 let rem_size = self.rem_size(cx);
9627 window.with_rem_size(rem_size, |window| {
9628 window.with_text_style(Some(text_style), |window| {
9629 window.with_content_mask(Some(ContentMask { bounds }), |window| {
9630 self.paint_mouse_listeners(layout, window, cx);
9631 self.paint_background(layout, window, cx);
9632 self.paint_indent_guides(layout, window, cx);
9633
9634 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9635 self.paint_blamed_display_rows(layout, window, cx);
9636 self.paint_line_numbers(layout, window, cx);
9637 }
9638
9639 self.paint_text(layout, window, cx);
9640
9641 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9642 self.paint_gutter_highlights(layout, window, cx);
9643 self.paint_gutter_indicators(layout, window, cx);
9644 }
9645
9646 if !layout.blocks.is_empty() {
9647 window.with_element_namespace("blocks", |window| {
9648 self.paint_blocks(layout, window, cx);
9649 });
9650 }
9651
9652 window.with_element_namespace("blocks", |window| {
9653 if let Some(mut sticky_header) = layout.sticky_buffer_header.take() {
9654 sticky_header.paint(window, cx)
9655 }
9656 });
9657
9658 self.paint_minimap(layout, window, cx);
9659 self.paint_scrollbars(layout, window, cx);
9660 self.paint_edit_prediction_popover(layout, window, cx);
9661 self.paint_mouse_context_menu(layout, window, cx);
9662 });
9663 })
9664 })
9665 }
9666}
9667
9668pub(super) fn gutter_bounds(
9669 editor_bounds: Bounds<Pixels>,
9670 gutter_dimensions: GutterDimensions,
9671) -> Bounds<Pixels> {
9672 Bounds {
9673 origin: editor_bounds.origin,
9674 size: size(gutter_dimensions.width, editor_bounds.size.height),
9675 }
9676}
9677
9678#[derive(Clone, Copy)]
9679struct ContextMenuLayout {
9680 y_flipped: bool,
9681 bounds: Bounds<Pixels>,
9682}
9683
9684/// Holds information required for layouting the editor scrollbars.
9685struct ScrollbarLayoutInformation {
9686 /// The bounds of the editor area (excluding the content offset).
9687 editor_bounds: Bounds<Pixels>,
9688 /// The available range to scroll within the document.
9689 scroll_range: Size<Pixels>,
9690 /// The space available for one glyph in the editor.
9691 glyph_grid_cell: Size<Pixels>,
9692}
9693
9694impl ScrollbarLayoutInformation {
9695 pub fn new(
9696 editor_bounds: Bounds<Pixels>,
9697 glyph_grid_cell: Size<Pixels>,
9698 document_size: Size<Pixels>,
9699 longest_line_blame_width: Pixels,
9700 settings: &EditorSettings,
9701 ) -> Self {
9702 let vertical_overscroll = match settings.scroll_beyond_last_line {
9703 ScrollBeyondLastLine::OnePage => editor_bounds.size.height,
9704 ScrollBeyondLastLine::Off => glyph_grid_cell.height,
9705 ScrollBeyondLastLine::VerticalScrollMargin => {
9706 (1.0 + settings.vertical_scroll_margin) as f32 * glyph_grid_cell.height
9707 }
9708 };
9709
9710 let overscroll = size(longest_line_blame_width, vertical_overscroll);
9711
9712 ScrollbarLayoutInformation {
9713 editor_bounds,
9714 scroll_range: document_size + overscroll,
9715 glyph_grid_cell,
9716 }
9717 }
9718}
9719
9720impl IntoElement for EditorElement {
9721 type Element = Self;
9722
9723 fn into_element(self) -> Self::Element {
9724 self
9725 }
9726}
9727
9728pub struct EditorLayout {
9729 position_map: Rc<PositionMap>,
9730 hitbox: Hitbox,
9731 gutter_hitbox: Hitbox,
9732 content_origin: gpui::Point<Pixels>,
9733 scrollbars_layout: Option<EditorScrollbars>,
9734 minimap: Option<MinimapLayout>,
9735 mode: EditorMode,
9736 wrap_guides: SmallVec<[(Pixels, bool); 2]>,
9737 indent_guides: Option<Vec<IndentGuideLayout>>,
9738 visible_display_row_range: Range<DisplayRow>,
9739 active_rows: BTreeMap<DisplayRow, LineHighlightSpec>,
9740 highlighted_rows: BTreeMap<DisplayRow, LineHighlight>,
9741 line_elements: SmallVec<[AnyElement; 1]>,
9742 line_numbers: Arc<HashMap<MultiBufferRow, LineNumberLayout>>,
9743 display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
9744 blamed_display_rows: Option<Vec<AnyElement>>,
9745 inline_diagnostics: HashMap<DisplayRow, AnyElement>,
9746 inline_blame_layout: Option<InlineBlameLayout>,
9747 inline_code_actions: Option<AnyElement>,
9748 blocks: Vec<BlockLayout>,
9749 highlighted_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9750 highlighted_gutter_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9751 redacted_ranges: Vec<Range<DisplayPoint>>,
9752 cursors: Vec<(DisplayPoint, Hsla)>,
9753 visible_cursors: Vec<CursorLayout>,
9754 selections: Vec<(PlayerColor, Vec<SelectionLayout>)>,
9755 test_indicators: Vec<AnyElement>,
9756 breakpoints: Vec<AnyElement>,
9757 crease_toggles: Vec<Option<AnyElement>>,
9758 expand_toggles: Vec<Option<(AnyElement, gpui::Point<Pixels>)>>,
9759 diff_hunk_controls: Vec<AnyElement>,
9760 crease_trailers: Vec<Option<CreaseTrailerLayout>>,
9761 edit_prediction_popover: Option<AnyElement>,
9762 mouse_context_menu: Option<AnyElement>,
9763 tab_invisible: ShapedLine,
9764 space_invisible: ShapedLine,
9765 sticky_buffer_header: Option<AnyElement>,
9766 document_colors: Option<(DocumentColorsRenderMode, Vec<(Range<DisplayPoint>, Hsla)>)>,
9767}
9768
9769impl EditorLayout {
9770 fn line_end_overshoot(&self) -> Pixels {
9771 0.15 * self.position_map.line_height
9772 }
9773}
9774
9775struct LineNumberLayout {
9776 shaped_line: ShapedLine,
9777 hitbox: Option<Hitbox>,
9778}
9779
9780struct ColoredRange<T> {
9781 start: T,
9782 end: T,
9783 color: Hsla,
9784}
9785
9786impl Along for ScrollbarAxes {
9787 type Unit = bool;
9788
9789 fn along(&self, axis: ScrollbarAxis) -> Self::Unit {
9790 match axis {
9791 ScrollbarAxis::Horizontal => self.horizontal,
9792 ScrollbarAxis::Vertical => self.vertical,
9793 }
9794 }
9795
9796 fn apply_along(&self, axis: ScrollbarAxis, f: impl FnOnce(Self::Unit) -> Self::Unit) -> Self {
9797 match axis {
9798 ScrollbarAxis::Horizontal => ScrollbarAxes {
9799 horizontal: f(self.horizontal),
9800 vertical: self.vertical,
9801 },
9802 ScrollbarAxis::Vertical => ScrollbarAxes {
9803 horizontal: self.horizontal,
9804 vertical: f(self.vertical),
9805 },
9806 }
9807 }
9808}
9809
9810#[derive(Clone)]
9811struct EditorScrollbars {
9812 pub vertical: Option<ScrollbarLayout>,
9813 pub horizontal: Option<ScrollbarLayout>,
9814 pub visible: bool,
9815}
9816
9817impl EditorScrollbars {
9818 pub fn from_scrollbar_axes(
9819 show_scrollbar: ScrollbarAxes,
9820 layout_information: &ScrollbarLayoutInformation,
9821 content_offset: gpui::Point<Pixels>,
9822 scroll_position: gpui::Point<f64>,
9823 scrollbar_width: Pixels,
9824 right_margin: Pixels,
9825 editor_width: Pixels,
9826 show_scrollbars: bool,
9827 scrollbar_state: Option<&ActiveScrollbarState>,
9828 window: &mut Window,
9829 ) -> Self {
9830 let ScrollbarLayoutInformation {
9831 editor_bounds,
9832 scroll_range,
9833 glyph_grid_cell,
9834 } = layout_information;
9835
9836 let viewport_size = size(editor_width, editor_bounds.size.height);
9837
9838 let scrollbar_bounds_for = |axis: ScrollbarAxis| match axis {
9839 ScrollbarAxis::Horizontal => Bounds::from_corner_and_size(
9840 Corner::BottomLeft,
9841 editor_bounds.bottom_left(),
9842 size(
9843 // The horizontal viewport size differs from the space available for the
9844 // horizontal scrollbar, so we have to manually stitch it together here.
9845 editor_bounds.size.width - right_margin,
9846 scrollbar_width,
9847 ),
9848 ),
9849 ScrollbarAxis::Vertical => Bounds::from_corner_and_size(
9850 Corner::TopRight,
9851 editor_bounds.top_right(),
9852 size(scrollbar_width, viewport_size.height),
9853 ),
9854 };
9855
9856 let mut create_scrollbar_layout = |axis| {
9857 let viewport_size = viewport_size.along(axis);
9858 let scroll_range = scroll_range.along(axis);
9859
9860 // We always want a vertical scrollbar track for scrollbar diagnostic visibility.
9861 (show_scrollbar.along(axis)
9862 && (axis == ScrollbarAxis::Vertical || scroll_range > viewport_size))
9863 .then(|| {
9864 ScrollbarLayout::new(
9865 window.insert_hitbox(scrollbar_bounds_for(axis), HitboxBehavior::Normal),
9866 viewport_size,
9867 scroll_range,
9868 glyph_grid_cell.along(axis),
9869 content_offset.along(axis),
9870 scroll_position.along(axis),
9871 show_scrollbars,
9872 axis,
9873 )
9874 .with_thumb_state(
9875 scrollbar_state.and_then(|state| state.thumb_state_for_axis(axis)),
9876 )
9877 })
9878 };
9879
9880 Self {
9881 vertical: create_scrollbar_layout(ScrollbarAxis::Vertical),
9882 horizontal: create_scrollbar_layout(ScrollbarAxis::Horizontal),
9883 visible: show_scrollbars,
9884 }
9885 }
9886
9887 pub fn iter_scrollbars(&self) -> impl Iterator<Item = (&ScrollbarLayout, ScrollbarAxis)> + '_ {
9888 [
9889 (&self.vertical, ScrollbarAxis::Vertical),
9890 (&self.horizontal, ScrollbarAxis::Horizontal),
9891 ]
9892 .into_iter()
9893 .filter_map(|(scrollbar, axis)| scrollbar.as_ref().map(|s| (s, axis)))
9894 }
9895
9896 /// Returns the currently hovered scrollbar axis, if any.
9897 pub fn get_hovered_axis(&self, window: &Window) -> Option<(&ScrollbarLayout, ScrollbarAxis)> {
9898 self.iter_scrollbars()
9899 .find(|s| s.0.hitbox.is_hovered(window))
9900 }
9901}
9902
9903#[derive(Clone)]
9904struct ScrollbarLayout {
9905 hitbox: Hitbox,
9906 visible_range: Range<ScrollOffset>,
9907 text_unit_size: Pixels,
9908 thumb_bounds: Option<Bounds<Pixels>>,
9909 thumb_state: ScrollbarThumbState,
9910}
9911
9912impl ScrollbarLayout {
9913 const BORDER_WIDTH: Pixels = px(1.0);
9914 const LINE_MARKER_HEIGHT: Pixels = px(2.0);
9915 const MIN_MARKER_HEIGHT: Pixels = px(5.0);
9916 const MIN_THUMB_SIZE: Pixels = px(25.0);
9917
9918 fn new(
9919 scrollbar_track_hitbox: Hitbox,
9920 viewport_size: Pixels,
9921 scroll_range: Pixels,
9922 glyph_space: Pixels,
9923 content_offset: Pixels,
9924 scroll_position: ScrollOffset,
9925 show_thumb: bool,
9926 axis: ScrollbarAxis,
9927 ) -> Self {
9928 let track_bounds = scrollbar_track_hitbox.bounds;
9929 // The length of the track available to the scrollbar thumb. We deliberately
9930 // exclude the content size here so that the thumb aligns with the content.
9931 let track_length = track_bounds.size.along(axis) - content_offset;
9932
9933 Self::new_with_hitbox_and_track_length(
9934 scrollbar_track_hitbox,
9935 track_length,
9936 viewport_size,
9937 scroll_range.into(),
9938 glyph_space,
9939 content_offset.into(),
9940 scroll_position,
9941 show_thumb,
9942 axis,
9943 )
9944 }
9945
9946 fn for_minimap(
9947 minimap_track_hitbox: Hitbox,
9948 visible_lines: f64,
9949 total_editor_lines: f64,
9950 minimap_line_height: Pixels,
9951 scroll_position: ScrollOffset,
9952 minimap_scroll_top: ScrollOffset,
9953 show_thumb: bool,
9954 ) -> Self {
9955 // The scrollbar thumb size is calculated as
9956 // (visible_content/total_content) Γ scrollbar_track_length.
9957 //
9958 // For the minimap's thumb layout, we leverage this by setting the
9959 // scrollbar track length to the entire document size (using minimap line
9960 // height). This creates a thumb that exactly represents the editor
9961 // viewport scaled to minimap proportions.
9962 //
9963 // We adjust the thumb position relative to `minimap_scroll_top` to
9964 // accommodate for the deliberately oversized track.
9965 //
9966 // This approach ensures that the minimap thumb accurately reflects the
9967 // editor's current scroll position whilst nicely synchronizing the minimap
9968 // thumb and scrollbar thumb.
9969 let scroll_range = total_editor_lines * f64::from(minimap_line_height);
9970 let viewport_size = visible_lines * f64::from(minimap_line_height);
9971
9972 let track_top_offset = -minimap_scroll_top * f64::from(minimap_line_height);
9973
9974 Self::new_with_hitbox_and_track_length(
9975 minimap_track_hitbox,
9976 Pixels::from(scroll_range),
9977 Pixels::from(viewport_size),
9978 scroll_range,
9979 minimap_line_height,
9980 track_top_offset,
9981 scroll_position,
9982 show_thumb,
9983 ScrollbarAxis::Vertical,
9984 )
9985 }
9986
9987 fn new_with_hitbox_and_track_length(
9988 scrollbar_track_hitbox: Hitbox,
9989 track_length: Pixels,
9990 viewport_size: Pixels,
9991 scroll_range: f64,
9992 glyph_space: Pixels,
9993 content_offset: ScrollOffset,
9994 scroll_position: ScrollOffset,
9995 show_thumb: bool,
9996 axis: ScrollbarAxis,
9997 ) -> Self {
9998 let text_units_per_page = f64::from(viewport_size / glyph_space);
9999 let visible_range = scroll_position..scroll_position + text_units_per_page;
10000 let total_text_units = scroll_range / f64::from(glyph_space);
10001
10002 let thumb_percentage = text_units_per_page / total_text_units;
10003 let thumb_size = Pixels::from(ScrollOffset::from(track_length) * thumb_percentage)
10004 .max(ScrollbarLayout::MIN_THUMB_SIZE)
10005 .min(track_length);
10006
10007 let text_unit_divisor = (total_text_units - text_units_per_page).max(0.);
10008
10009 let content_larger_than_viewport = text_unit_divisor > 0.;
10010
10011 let text_unit_size = if content_larger_than_viewport {
10012 Pixels::from(ScrollOffset::from(track_length - thumb_size) / text_unit_divisor)
10013 } else {
10014 glyph_space
10015 };
10016
10017 let thumb_bounds = (show_thumb && content_larger_than_viewport).then(|| {
10018 Self::thumb_bounds(
10019 &scrollbar_track_hitbox,
10020 content_offset,
10021 visible_range.start,
10022 text_unit_size,
10023 thumb_size,
10024 axis,
10025 )
10026 });
10027
10028 ScrollbarLayout {
10029 hitbox: scrollbar_track_hitbox,
10030 visible_range,
10031 text_unit_size,
10032 thumb_bounds,
10033 thumb_state: Default::default(),
10034 }
10035 }
10036
10037 fn with_thumb_state(self, thumb_state: Option<ScrollbarThumbState>) -> Self {
10038 if let Some(thumb_state) = thumb_state {
10039 Self {
10040 thumb_state,
10041 ..self
10042 }
10043 } else {
10044 self
10045 }
10046 }
10047
10048 fn thumb_bounds(
10049 scrollbar_track: &Hitbox,
10050 content_offset: f64,
10051 visible_range_start: f64,
10052 text_unit_size: Pixels,
10053 thumb_size: Pixels,
10054 axis: ScrollbarAxis,
10055 ) -> Bounds<Pixels> {
10056 let thumb_origin = scrollbar_track.origin.apply_along(axis, |origin| {
10057 origin
10058 + Pixels::from(
10059 content_offset + visible_range_start * ScrollOffset::from(text_unit_size),
10060 )
10061 });
10062 Bounds::new(
10063 thumb_origin,
10064 scrollbar_track.size.apply_along(axis, |_| thumb_size),
10065 )
10066 }
10067
10068 fn thumb_hovered(&self, position: &gpui::Point<Pixels>) -> bool {
10069 self.thumb_bounds
10070 .is_some_and(|bounds| bounds.contains(position))
10071 }
10072
10073 fn marker_quads_for_ranges(
10074 &self,
10075 row_ranges: impl IntoIterator<Item = ColoredRange<DisplayRow>>,
10076 column: Option<usize>,
10077 ) -> Vec<PaintQuad> {
10078 struct MinMax {
10079 min: Pixels,
10080 max: Pixels,
10081 }
10082 let (x_range, height_limit) = if let Some(column) = column {
10083 let column_width = ((self.hitbox.size.width - Self::BORDER_WIDTH) / 3.0).floor();
10084 let start = Self::BORDER_WIDTH + (column as f32 * column_width);
10085 let end = start + column_width;
10086 (
10087 Range { start, end },
10088 MinMax {
10089 min: Self::MIN_MARKER_HEIGHT,
10090 max: px(f32::MAX),
10091 },
10092 )
10093 } else {
10094 (
10095 Range {
10096 start: Self::BORDER_WIDTH,
10097 end: self.hitbox.size.width,
10098 },
10099 MinMax {
10100 min: Self::LINE_MARKER_HEIGHT,
10101 max: Self::LINE_MARKER_HEIGHT,
10102 },
10103 )
10104 };
10105
10106 let row_to_y = |row: DisplayRow| row.as_f64() as f32 * self.text_unit_size;
10107 let mut pixel_ranges = row_ranges
10108 .into_iter()
10109 .map(|range| {
10110 let start_y = row_to_y(range.start);
10111 let end_y = row_to_y(range.end)
10112 + self
10113 .text_unit_size
10114 .max(height_limit.min)
10115 .min(height_limit.max);
10116 ColoredRange {
10117 start: start_y,
10118 end: end_y,
10119 color: range.color,
10120 }
10121 })
10122 .peekable();
10123
10124 let mut quads = Vec::new();
10125 while let Some(mut pixel_range) = pixel_ranges.next() {
10126 while let Some(next_pixel_range) = pixel_ranges.peek() {
10127 if pixel_range.end >= next_pixel_range.start - px(1.0)
10128 && pixel_range.color == next_pixel_range.color
10129 {
10130 pixel_range.end = next_pixel_range.end.max(pixel_range.end);
10131 pixel_ranges.next();
10132 } else {
10133 break;
10134 }
10135 }
10136
10137 let bounds = Bounds::from_corners(
10138 point(x_range.start, pixel_range.start),
10139 point(x_range.end, pixel_range.end),
10140 );
10141 quads.push(quad(
10142 bounds,
10143 Corners::default(),
10144 pixel_range.color,
10145 Edges::default(),
10146 Hsla::transparent_black(),
10147 BorderStyle::default(),
10148 ));
10149 }
10150
10151 quads
10152 }
10153}
10154
10155struct MinimapLayout {
10156 pub minimap: AnyElement,
10157 pub thumb_layout: ScrollbarLayout,
10158 pub minimap_scroll_top: ScrollOffset,
10159 pub minimap_line_height: Pixels,
10160 pub thumb_border_style: MinimapThumbBorder,
10161 pub max_scroll_top: ScrollOffset,
10162}
10163
10164impl MinimapLayout {
10165 /// The minimum width of the minimap in columns. If the minimap is smaller than this, it will be hidden.
10166 const MINIMAP_MIN_WIDTH_COLUMNS: f32 = 20.;
10167 /// The minimap width as a percentage of the editor width.
10168 const MINIMAP_WIDTH_PCT: f32 = 0.15;
10169 /// Calculates the scroll top offset the minimap editor has to have based on the
10170 /// current scroll progress.
10171 fn calculate_minimap_top_offset(
10172 document_lines: f64,
10173 visible_editor_lines: f64,
10174 visible_minimap_lines: f64,
10175 scroll_position: f64,
10176 ) -> ScrollOffset {
10177 let non_visible_document_lines = (document_lines - visible_editor_lines).max(0.);
10178 if non_visible_document_lines == 0. {
10179 0.
10180 } else {
10181 let scroll_percentage = (scroll_position / non_visible_document_lines).clamp(0., 1.);
10182 scroll_percentage * (document_lines - visible_minimap_lines).max(0.)
10183 }
10184 }
10185}
10186
10187struct CreaseTrailerLayout {
10188 element: AnyElement,
10189 bounds: Bounds<Pixels>,
10190}
10191
10192pub(crate) struct PositionMap {
10193 pub size: Size<Pixels>,
10194 pub line_height: Pixels,
10195 pub scroll_position: gpui::Point<ScrollOffset>,
10196 pub scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
10197 pub scroll_max: gpui::Point<ScrollOffset>,
10198 pub em_width: Pixels,
10199 pub em_advance: Pixels,
10200 pub visible_row_range: Range<DisplayRow>,
10201 pub line_layouts: Vec<LineWithInvisibles>,
10202 pub snapshot: EditorSnapshot,
10203 pub text_hitbox: Hitbox,
10204 pub gutter_hitbox: Hitbox,
10205 pub inline_blame_bounds: Option<(Bounds<Pixels>, BufferId, BlameEntry)>,
10206 pub display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
10207 pub diff_hunk_control_bounds: Vec<(DisplayRow, Bounds<Pixels>)>,
10208}
10209
10210#[derive(Debug, Copy, Clone)]
10211pub struct PointForPosition {
10212 pub previous_valid: DisplayPoint,
10213 pub next_valid: DisplayPoint,
10214 pub exact_unclipped: DisplayPoint,
10215 pub column_overshoot_after_line_end: u32,
10216}
10217
10218impl PointForPosition {
10219 pub fn as_valid(&self) -> Option<DisplayPoint> {
10220 if self.previous_valid == self.exact_unclipped && self.next_valid == self.exact_unclipped {
10221 Some(self.previous_valid)
10222 } else {
10223 None
10224 }
10225 }
10226
10227 pub fn intersects_selection(&self, selection: &Selection<DisplayPoint>) -> bool {
10228 let Some(valid_point) = self.as_valid() else {
10229 return false;
10230 };
10231 let range = selection.range();
10232
10233 let candidate_row = valid_point.row();
10234 let candidate_col = valid_point.column();
10235
10236 let start_row = range.start.row();
10237 let start_col = range.start.column();
10238 let end_row = range.end.row();
10239 let end_col = range.end.column();
10240
10241 if candidate_row < start_row || candidate_row > end_row {
10242 false
10243 } else if start_row == end_row {
10244 candidate_col >= start_col && candidate_col < end_col
10245 } else if candidate_row == start_row {
10246 candidate_col >= start_col
10247 } else if candidate_row == end_row {
10248 candidate_col < end_col
10249 } else {
10250 true
10251 }
10252 }
10253}
10254
10255impl PositionMap {
10256 pub(crate) fn point_for_position(&self, position: gpui::Point<Pixels>) -> PointForPosition {
10257 let text_bounds = self.text_hitbox.bounds;
10258 let scroll_position = self.snapshot.scroll_position();
10259 let position = position - text_bounds.origin;
10260 let y = position.y.max(px(0.)).min(self.size.height);
10261 let x = position.x + (scroll_position.x as f32 * self.em_advance);
10262 let row = ((y / self.line_height) as f64 + scroll_position.y) as u32;
10263
10264 let (column, x_overshoot_after_line_end) = if let Some(line) = self
10265 .line_layouts
10266 .get(row as usize - scroll_position.y as usize)
10267 {
10268 if let Some(ix) = line.index_for_x(x) {
10269 (ix as u32, px(0.))
10270 } else {
10271 (line.len as u32, px(0.).max(x - line.width))
10272 }
10273 } else {
10274 (0, x)
10275 };
10276
10277 let mut exact_unclipped = DisplayPoint::new(DisplayRow(row), column);
10278 let previous_valid = self.snapshot.clip_point(exact_unclipped, Bias::Left);
10279 let next_valid = self.snapshot.clip_point(exact_unclipped, Bias::Right);
10280
10281 let column_overshoot_after_line_end = (x_overshoot_after_line_end / self.em_advance) as u32;
10282 *exact_unclipped.column_mut() += column_overshoot_after_line_end;
10283 PointForPosition {
10284 previous_valid,
10285 next_valid,
10286 exact_unclipped,
10287 column_overshoot_after_line_end,
10288 }
10289 }
10290}
10291
10292struct BlockLayout {
10293 id: BlockId,
10294 x_offset: Pixels,
10295 row: Option<DisplayRow>,
10296 element: AnyElement,
10297 available_space: Size<AvailableSpace>,
10298 style: BlockStyle,
10299 overlaps_gutter: bool,
10300 is_buffer_header: bool,
10301}
10302
10303pub fn layout_line(
10304 row: DisplayRow,
10305 snapshot: &EditorSnapshot,
10306 style: &EditorStyle,
10307 text_width: Pixels,
10308 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
10309 window: &mut Window,
10310 cx: &mut App,
10311) -> LineWithInvisibles {
10312 let chunks = snapshot.highlighted_chunks(row..row + DisplayRow(1), true, style);
10313 LineWithInvisibles::from_chunks(
10314 chunks,
10315 style,
10316 MAX_LINE_LEN,
10317 1,
10318 &snapshot.mode,
10319 text_width,
10320 is_row_soft_wrapped,
10321 &[],
10322 window,
10323 cx,
10324 )
10325 .pop()
10326 .unwrap()
10327}
10328
10329#[derive(Debug)]
10330pub struct IndentGuideLayout {
10331 origin: gpui::Point<Pixels>,
10332 length: Pixels,
10333 single_indent_width: Pixels,
10334 depth: u32,
10335 active: bool,
10336 settings: IndentGuideSettings,
10337}
10338
10339pub struct CursorLayout {
10340 origin: gpui::Point<Pixels>,
10341 block_width: Pixels,
10342 line_height: Pixels,
10343 color: Hsla,
10344 shape: CursorShape,
10345 block_text: Option<ShapedLine>,
10346 cursor_name: Option<AnyElement>,
10347}
10348
10349#[derive(Debug)]
10350pub struct CursorName {
10351 string: SharedString,
10352 color: Hsla,
10353 is_top_row: bool,
10354}
10355
10356impl CursorLayout {
10357 pub fn new(
10358 origin: gpui::Point<Pixels>,
10359 block_width: Pixels,
10360 line_height: Pixels,
10361 color: Hsla,
10362 shape: CursorShape,
10363 block_text: Option<ShapedLine>,
10364 ) -> CursorLayout {
10365 CursorLayout {
10366 origin,
10367 block_width,
10368 line_height,
10369 color,
10370 shape,
10371 block_text,
10372 cursor_name: None,
10373 }
10374 }
10375
10376 pub fn bounding_rect(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10377 Bounds {
10378 origin: self.origin + origin,
10379 size: size(self.block_width, self.line_height),
10380 }
10381 }
10382
10383 fn bounds(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10384 match self.shape {
10385 CursorShape::Bar => Bounds {
10386 origin: self.origin + origin,
10387 size: size(px(2.0), self.line_height),
10388 },
10389 CursorShape::Block | CursorShape::Hollow => Bounds {
10390 origin: self.origin + origin,
10391 size: size(self.block_width, self.line_height),
10392 },
10393 CursorShape::Underline => Bounds {
10394 origin: self.origin
10395 + origin
10396 + gpui::Point::new(Pixels::ZERO, self.line_height - px(2.0)),
10397 size: size(self.block_width, px(2.0)),
10398 },
10399 }
10400 }
10401
10402 pub fn layout(
10403 &mut self,
10404 origin: gpui::Point<Pixels>,
10405 cursor_name: Option<CursorName>,
10406 window: &mut Window,
10407 cx: &mut App,
10408 ) {
10409 if let Some(cursor_name) = cursor_name {
10410 let bounds = self.bounds(origin);
10411 let text_size = self.line_height / 1.5;
10412
10413 let name_origin = if cursor_name.is_top_row {
10414 point(bounds.right() - px(1.), bounds.top())
10415 } else {
10416 match self.shape {
10417 CursorShape::Bar => point(
10418 bounds.right() - px(2.),
10419 bounds.top() - text_size / 2. - px(1.),
10420 ),
10421 _ => point(
10422 bounds.right() - px(1.),
10423 bounds.top() - text_size / 2. - px(1.),
10424 ),
10425 }
10426 };
10427 let mut name_element = div()
10428 .bg(self.color)
10429 .text_size(text_size)
10430 .px_0p5()
10431 .line_height(text_size + px(2.))
10432 .text_color(cursor_name.color)
10433 .child(cursor_name.string)
10434 .into_any_element();
10435
10436 name_element.prepaint_as_root(name_origin, AvailableSpace::min_size(), window, cx);
10437
10438 self.cursor_name = Some(name_element);
10439 }
10440 }
10441
10442 pub fn paint(&mut self, origin: gpui::Point<Pixels>, window: &mut Window, cx: &mut App) {
10443 let bounds = self.bounds(origin);
10444
10445 //Draw background or border quad
10446 let cursor = if matches!(self.shape, CursorShape::Hollow) {
10447 outline(bounds, self.color, BorderStyle::Solid)
10448 } else {
10449 fill(bounds, self.color)
10450 };
10451
10452 if let Some(name) = &mut self.cursor_name {
10453 name.paint(window, cx);
10454 }
10455
10456 window.paint_quad(cursor);
10457
10458 if let Some(block_text) = &self.block_text {
10459 block_text
10460 .paint(self.origin + origin, self.line_height, window, cx)
10461 .log_err();
10462 }
10463 }
10464
10465 pub fn shape(&self) -> CursorShape {
10466 self.shape
10467 }
10468}
10469
10470#[derive(Debug)]
10471pub struct HighlightedRange {
10472 pub start_y: Pixels,
10473 pub line_height: Pixels,
10474 pub lines: Vec<HighlightedRangeLine>,
10475 pub color: Hsla,
10476 pub corner_radius: Pixels,
10477}
10478
10479#[derive(Debug)]
10480pub struct HighlightedRangeLine {
10481 pub start_x: Pixels,
10482 pub end_x: Pixels,
10483}
10484
10485impl HighlightedRange {
10486 pub fn paint(&self, fill: bool, bounds: Bounds<Pixels>, window: &mut Window) {
10487 if self.lines.len() >= 2 && self.lines[0].start_x > self.lines[1].end_x {
10488 self.paint_lines(self.start_y, &self.lines[0..1], fill, bounds, window);
10489 self.paint_lines(
10490 self.start_y + self.line_height,
10491 &self.lines[1..],
10492 fill,
10493 bounds,
10494 window,
10495 );
10496 } else {
10497 self.paint_lines(self.start_y, &self.lines, fill, bounds, window);
10498 }
10499 }
10500
10501 fn paint_lines(
10502 &self,
10503 start_y: Pixels,
10504 lines: &[HighlightedRangeLine],
10505 fill: bool,
10506 _bounds: Bounds<Pixels>,
10507 window: &mut Window,
10508 ) {
10509 if lines.is_empty() {
10510 return;
10511 }
10512
10513 let first_line = lines.first().unwrap();
10514 let last_line = lines.last().unwrap();
10515
10516 let first_top_left = point(first_line.start_x, start_y);
10517 let first_top_right = point(first_line.end_x, start_y);
10518
10519 let curve_height = point(Pixels::ZERO, self.corner_radius);
10520 let curve_width = |start_x: Pixels, end_x: Pixels| {
10521 let max = (end_x - start_x) / 2.;
10522 let width = if max < self.corner_radius {
10523 max
10524 } else {
10525 self.corner_radius
10526 };
10527
10528 point(width, Pixels::ZERO)
10529 };
10530
10531 let top_curve_width = curve_width(first_line.start_x, first_line.end_x);
10532 let mut builder = if fill {
10533 gpui::PathBuilder::fill()
10534 } else {
10535 gpui::PathBuilder::stroke(px(1.))
10536 };
10537 builder.move_to(first_top_right - top_curve_width);
10538 builder.curve_to(first_top_right + curve_height, first_top_right);
10539
10540 let mut iter = lines.iter().enumerate().peekable();
10541 while let Some((ix, line)) = iter.next() {
10542 let bottom_right = point(line.end_x, start_y + (ix + 1) as f32 * self.line_height);
10543
10544 if let Some((_, next_line)) = iter.peek() {
10545 let next_top_right = point(next_line.end_x, bottom_right.y);
10546
10547 match next_top_right.x.partial_cmp(&bottom_right.x).unwrap() {
10548 Ordering::Equal => {
10549 builder.line_to(bottom_right);
10550 }
10551 Ordering::Less => {
10552 let curve_width = curve_width(next_top_right.x, bottom_right.x);
10553 builder.line_to(bottom_right - curve_height);
10554 if self.corner_radius > Pixels::ZERO {
10555 builder.curve_to(bottom_right - curve_width, bottom_right);
10556 }
10557 builder.line_to(next_top_right + curve_width);
10558 if self.corner_radius > Pixels::ZERO {
10559 builder.curve_to(next_top_right + curve_height, next_top_right);
10560 }
10561 }
10562 Ordering::Greater => {
10563 let curve_width = curve_width(bottom_right.x, next_top_right.x);
10564 builder.line_to(bottom_right - curve_height);
10565 if self.corner_radius > Pixels::ZERO {
10566 builder.curve_to(bottom_right + curve_width, bottom_right);
10567 }
10568 builder.line_to(next_top_right - curve_width);
10569 if self.corner_radius > Pixels::ZERO {
10570 builder.curve_to(next_top_right + curve_height, next_top_right);
10571 }
10572 }
10573 }
10574 } else {
10575 let curve_width = curve_width(line.start_x, line.end_x);
10576 builder.line_to(bottom_right - curve_height);
10577 if self.corner_radius > Pixels::ZERO {
10578 builder.curve_to(bottom_right - curve_width, bottom_right);
10579 }
10580
10581 let bottom_left = point(line.start_x, bottom_right.y);
10582 builder.line_to(bottom_left + curve_width);
10583 if self.corner_radius > Pixels::ZERO {
10584 builder.curve_to(bottom_left - curve_height, bottom_left);
10585 }
10586 }
10587 }
10588
10589 if first_line.start_x > last_line.start_x {
10590 let curve_width = curve_width(last_line.start_x, first_line.start_x);
10591 let second_top_left = point(last_line.start_x, start_y + self.line_height);
10592 builder.line_to(second_top_left + curve_height);
10593 if self.corner_radius > Pixels::ZERO {
10594 builder.curve_to(second_top_left + curve_width, second_top_left);
10595 }
10596 let first_bottom_left = point(first_line.start_x, second_top_left.y);
10597 builder.line_to(first_bottom_left - curve_width);
10598 if self.corner_radius > Pixels::ZERO {
10599 builder.curve_to(first_bottom_left - curve_height, first_bottom_left);
10600 }
10601 }
10602
10603 builder.line_to(first_top_left + curve_height);
10604 if self.corner_radius > Pixels::ZERO {
10605 builder.curve_to(first_top_left + top_curve_width, first_top_left);
10606 }
10607 builder.line_to(first_top_right - top_curve_width);
10608
10609 if let Ok(path) = builder.build() {
10610 window.paint_path(path, self.color);
10611 }
10612 }
10613}
10614
10615enum CursorPopoverType {
10616 CodeContextMenu,
10617 EditPrediction,
10618}
10619
10620pub fn scale_vertical_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10621 (delta.pow(1.2) / 100.0).min(px(3.0)).into()
10622}
10623
10624fn scale_horizontal_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10625 (delta.pow(1.2) / 300.0).into()
10626}
10627
10628pub fn register_action<T: Action>(
10629 editor: &Entity<Editor>,
10630 window: &mut Window,
10631 listener: impl Fn(&mut Editor, &T, &mut Window, &mut Context<Editor>) + 'static,
10632) {
10633 let editor = editor.clone();
10634 window.on_action(TypeId::of::<T>(), move |action, phase, window, cx| {
10635 let action = action.downcast_ref().unwrap();
10636 if phase == DispatchPhase::Bubble {
10637 editor.update(cx, |editor, cx| {
10638 listener(editor, action, window, cx);
10639 })
10640 }
10641 })
10642}
10643
10644fn compute_auto_height_layout(
10645 editor: &mut Editor,
10646 min_lines: usize,
10647 max_lines: Option<usize>,
10648 max_line_number_width: Pixels,
10649 known_dimensions: Size<Option<Pixels>>,
10650 available_width: AvailableSpace,
10651 window: &mut Window,
10652 cx: &mut Context<Editor>,
10653) -> Option<Size<Pixels>> {
10654 let width = known_dimensions.width.or({
10655 if let AvailableSpace::Definite(available_width) = available_width {
10656 Some(available_width)
10657 } else {
10658 None
10659 }
10660 })?;
10661 if let Some(height) = known_dimensions.height {
10662 return Some(size(width, height));
10663 }
10664
10665 let style = editor.style.as_ref().unwrap();
10666 let font_id = window.text_system().resolve_font(&style.text.font());
10667 let font_size = style.text.font_size.to_pixels(window.rem_size());
10668 let line_height = style.text.line_height_in_pixels(window.rem_size());
10669 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
10670
10671 let mut snapshot = editor.snapshot(window, cx);
10672 let gutter_dimensions = snapshot
10673 .gutter_dimensions(font_id, font_size, max_line_number_width, cx)
10674 .or_else(|| {
10675 editor
10676 .offset_content
10677 .then(|| GutterDimensions::default_with_margin(font_id, font_size, cx))
10678 })
10679 .unwrap_or_default();
10680
10681 editor.gutter_dimensions = gutter_dimensions;
10682 let text_width = width - gutter_dimensions.width;
10683 let overscroll = size(em_width, px(0.));
10684
10685 let editor_width = text_width - gutter_dimensions.margin - overscroll.width - em_width;
10686 if !matches!(editor.soft_wrap_mode(cx), SoftWrap::None)
10687 && editor.set_wrap_width(Some(editor_width), cx)
10688 {
10689 snapshot = editor.snapshot(window, cx);
10690 }
10691
10692 let scroll_height = (snapshot.max_point().row().next_row().0 as f32) * line_height;
10693
10694 let min_height = line_height * min_lines as f32;
10695 let content_height = scroll_height.max(min_height);
10696
10697 let final_height = if let Some(max_lines) = max_lines {
10698 let max_height = line_height * max_lines as f32;
10699 content_height.min(max_height)
10700 } else {
10701 content_height
10702 };
10703
10704 Some(size(width, final_height))
10705}
10706
10707#[cfg(test)]
10708mod tests {
10709 use super::*;
10710 use crate::{
10711 Editor, MultiBuffer, SelectionEffects,
10712 display_map::{BlockPlacement, BlockProperties},
10713 editor_tests::{init_test, update_test_language_settings},
10714 };
10715 use gpui::{TestAppContext, VisualTestContext};
10716 use language::language_settings;
10717 use log::info;
10718 use std::num::NonZeroU32;
10719 use util::test::sample_text;
10720
10721 #[gpui::test]
10722 async fn test_soft_wrap_editor_width_auto_height_editor(cx: &mut TestAppContext) {
10723 init_test(cx, |_| {});
10724
10725 let window = cx.add_window(|window, cx| {
10726 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10727 let mut editor = Editor::new(
10728 EditorMode::AutoHeight {
10729 min_lines: 1,
10730 max_lines: None,
10731 },
10732 buffer,
10733 None,
10734 window,
10735 cx,
10736 );
10737 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10738 editor
10739 });
10740 let cx = &mut VisualTestContext::from_window(*window, cx);
10741 let editor = window.root(cx).unwrap();
10742 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10743
10744 for x in 1..=100 {
10745 let (_, state) = cx.draw(
10746 Default::default(),
10747 size(px(200. + 0.13 * x as f32), px(500.)),
10748 |_, _| EditorElement::new(&editor, style.clone()),
10749 );
10750
10751 assert!(
10752 state.position_map.scroll_max.x == 0.,
10753 "Soft wrapped editor should have no horizontal scrolling!"
10754 );
10755 }
10756 }
10757
10758 #[gpui::test]
10759 async fn test_soft_wrap_editor_width_full_editor(cx: &mut TestAppContext) {
10760 init_test(cx, |_| {});
10761
10762 let window = cx.add_window(|window, cx| {
10763 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10764 let mut editor = Editor::new(EditorMode::full(), buffer, None, window, cx);
10765 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10766 editor
10767 });
10768 let cx = &mut VisualTestContext::from_window(*window, cx);
10769 let editor = window.root(cx).unwrap();
10770 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10771
10772 for x in 1..=100 {
10773 let (_, state) = cx.draw(
10774 Default::default(),
10775 size(px(200. + 0.13 * x as f32), px(500.)),
10776 |_, _| EditorElement::new(&editor, style.clone()),
10777 );
10778
10779 assert!(
10780 state.position_map.scroll_max.x == 0.,
10781 "Soft wrapped editor should have no horizontal scrolling!"
10782 );
10783 }
10784 }
10785
10786 #[gpui::test]
10787 fn test_shape_line_numbers(cx: &mut TestAppContext) {
10788 init_test(cx, |_| {});
10789 let window = cx.add_window(|window, cx| {
10790 let buffer = MultiBuffer::build_simple(&sample_text(6, 6, 'a'), cx);
10791 Editor::new(EditorMode::full(), buffer, None, window, cx)
10792 });
10793
10794 let editor = window.root(cx).unwrap();
10795 let style = cx.update(|cx| editor.read(cx).style().unwrap().clone());
10796 let line_height = window
10797 .update(cx, |_, window, _| {
10798 style.text.line_height_in_pixels(window.rem_size())
10799 })
10800 .unwrap();
10801 let element = EditorElement::new(&editor, style);
10802 let snapshot = window
10803 .update(cx, |editor, window, cx| editor.snapshot(window, cx))
10804 .unwrap();
10805
10806 let layouts = cx
10807 .update_window(*window, |_, window, cx| {
10808 element.layout_line_numbers(
10809 None,
10810 GutterDimensions {
10811 left_padding: Pixels::ZERO,
10812 right_padding: Pixels::ZERO,
10813 width: px(30.0),
10814 margin: Pixels::ZERO,
10815 git_blame_entries_width: None,
10816 },
10817 line_height,
10818 gpui::Point::default(),
10819 DisplayRow(0)..DisplayRow(6),
10820 &(0..6)
10821 .map(|row| RowInfo {
10822 buffer_row: Some(row),
10823 ..Default::default()
10824 })
10825 .collect::<Vec<_>>(),
10826 &BTreeMap::default(),
10827 Some(DisplayPoint::new(DisplayRow(0), 0)),
10828 &snapshot,
10829 window,
10830 cx,
10831 )
10832 })
10833 .unwrap();
10834 assert_eq!(layouts.len(), 6);
10835
10836 let relative_rows = window
10837 .update(cx, |editor, window, cx| {
10838 let snapshot = editor.snapshot(window, cx);
10839 element.calculate_relative_line_numbers(
10840 &snapshot,
10841 &(DisplayRow(0)..DisplayRow(6)),
10842 Some(DisplayRow(3)),
10843 )
10844 })
10845 .unwrap();
10846 assert_eq!(relative_rows[&DisplayRow(0)], 3);
10847 assert_eq!(relative_rows[&DisplayRow(1)], 2);
10848 assert_eq!(relative_rows[&DisplayRow(2)], 1);
10849 // current line has no relative number
10850 assert_eq!(relative_rows[&DisplayRow(4)], 1);
10851 assert_eq!(relative_rows[&DisplayRow(5)], 2);
10852
10853 // works if cursor is before screen
10854 let relative_rows = window
10855 .update(cx, |editor, window, cx| {
10856 let snapshot = editor.snapshot(window, cx);
10857 element.calculate_relative_line_numbers(
10858 &snapshot,
10859 &(DisplayRow(3)..DisplayRow(6)),
10860 Some(DisplayRow(1)),
10861 )
10862 })
10863 .unwrap();
10864 assert_eq!(relative_rows.len(), 3);
10865 assert_eq!(relative_rows[&DisplayRow(3)], 2);
10866 assert_eq!(relative_rows[&DisplayRow(4)], 3);
10867 assert_eq!(relative_rows[&DisplayRow(5)], 4);
10868
10869 // works if cursor is after screen
10870 let relative_rows = window
10871 .update(cx, |editor, window, cx| {
10872 let snapshot = editor.snapshot(window, cx);
10873 element.calculate_relative_line_numbers(
10874 &snapshot,
10875 &(DisplayRow(0)..DisplayRow(3)),
10876 Some(DisplayRow(6)),
10877 )
10878 })
10879 .unwrap();
10880 assert_eq!(relative_rows.len(), 3);
10881 assert_eq!(relative_rows[&DisplayRow(0)], 5);
10882 assert_eq!(relative_rows[&DisplayRow(1)], 4);
10883 assert_eq!(relative_rows[&DisplayRow(2)], 3);
10884 }
10885
10886 #[gpui::test]
10887 async fn test_vim_visual_selections(cx: &mut TestAppContext) {
10888 init_test(cx, |_| {});
10889
10890 let window = cx.add_window(|window, cx| {
10891 let buffer = MultiBuffer::build_simple(&(sample_text(6, 6, 'a') + "\n"), cx);
10892 Editor::new(EditorMode::full(), buffer, None, window, cx)
10893 });
10894 let cx = &mut VisualTestContext::from_window(*window, cx);
10895 let editor = window.root(cx).unwrap();
10896 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10897
10898 window
10899 .update(cx, |editor, window, cx| {
10900 editor.cursor_shape = CursorShape::Block;
10901 editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
10902 s.select_ranges([
10903 Point::new(0, 0)..Point::new(1, 0),
10904 Point::new(3, 2)..Point::new(3, 3),
10905 Point::new(5, 6)..Point::new(6, 0),
10906 ]);
10907 });
10908 })
10909 .unwrap();
10910
10911 let (_, state) = cx.draw(
10912 point(px(500.), px(500.)),
10913 size(px(500.), px(500.)),
10914 |_, _| EditorElement::new(&editor, style),
10915 );
10916
10917 assert_eq!(state.selections.len(), 1);
10918 let local_selections = &state.selections[0].1;
10919 assert_eq!(local_selections.len(), 3);
10920 // moves cursor back one line
10921 assert_eq!(
10922 local_selections[0].head,
10923 DisplayPoint::new(DisplayRow(0), 6)
10924 );
10925 assert_eq!(
10926 local_selections[0].range,
10927 DisplayPoint::new(DisplayRow(0), 0)..DisplayPoint::new(DisplayRow(1), 0)
10928 );
10929
10930 // moves cursor back one column
10931 assert_eq!(
10932 local_selections[1].range,
10933 DisplayPoint::new(DisplayRow(3), 2)..DisplayPoint::new(DisplayRow(3), 3)
10934 );
10935 assert_eq!(
10936 local_selections[1].head,
10937 DisplayPoint::new(DisplayRow(3), 2)
10938 );
10939
10940 // leaves cursor on the max point
10941 assert_eq!(
10942 local_selections[2].range,
10943 DisplayPoint::new(DisplayRow(5), 6)..DisplayPoint::new(DisplayRow(6), 0)
10944 );
10945 assert_eq!(
10946 local_selections[2].head,
10947 DisplayPoint::new(DisplayRow(6), 0)
10948 );
10949
10950 // active lines does not include 1 (even though the range of the selection does)
10951 assert_eq!(
10952 state.active_rows.keys().cloned().collect::<Vec<_>>(),
10953 vec![DisplayRow(0), DisplayRow(3), DisplayRow(5), DisplayRow(6)]
10954 );
10955 }
10956
10957 #[gpui::test]
10958 fn test_layout_with_placeholder_text_and_blocks(cx: &mut TestAppContext) {
10959 init_test(cx, |_| {});
10960
10961 let window = cx.add_window(|window, cx| {
10962 let buffer = MultiBuffer::build_simple("", cx);
10963 Editor::new(EditorMode::full(), buffer, None, window, cx)
10964 });
10965 let cx = &mut VisualTestContext::from_window(*window, cx);
10966 let editor = window.root(cx).unwrap();
10967 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10968 window
10969 .update(cx, |editor, window, cx| {
10970 editor.set_placeholder_text("hello", window, cx);
10971 editor.insert_blocks(
10972 [BlockProperties {
10973 style: BlockStyle::Fixed,
10974 placement: BlockPlacement::Above(Anchor::min()),
10975 height: Some(3),
10976 render: Arc::new(|cx| div().h(3. * cx.window.line_height()).into_any()),
10977 priority: 0,
10978 }],
10979 None,
10980 cx,
10981 );
10982
10983 // Blur the editor so that it displays placeholder text.
10984 window.blur();
10985 })
10986 .unwrap();
10987
10988 let (_, state) = cx.draw(
10989 point(px(500.), px(500.)),
10990 size(px(500.), px(500.)),
10991 |_, _| EditorElement::new(&editor, style),
10992 );
10993 assert_eq!(state.position_map.line_layouts.len(), 4);
10994 assert_eq!(state.line_numbers.len(), 1);
10995 assert_eq!(
10996 state
10997 .line_numbers
10998 .get(&MultiBufferRow(0))
10999 .map(|line_number| line_number.shaped_line.text.as_ref()),
11000 Some("1")
11001 );
11002 }
11003
11004 #[gpui::test]
11005 fn test_all_invisibles_drawing(cx: &mut TestAppContext) {
11006 const TAB_SIZE: u32 = 4;
11007
11008 let input_text = "\t \t|\t| a b";
11009 let expected_invisibles = vec![
11010 Invisible::Tab {
11011 line_start_offset: 0,
11012 line_end_offset: TAB_SIZE as usize,
11013 },
11014 Invisible::Whitespace {
11015 line_offset: TAB_SIZE as usize,
11016 },
11017 Invisible::Tab {
11018 line_start_offset: TAB_SIZE as usize + 1,
11019 line_end_offset: TAB_SIZE as usize * 2,
11020 },
11021 Invisible::Tab {
11022 line_start_offset: TAB_SIZE as usize * 2 + 1,
11023 line_end_offset: TAB_SIZE as usize * 3,
11024 },
11025 Invisible::Whitespace {
11026 line_offset: TAB_SIZE as usize * 3 + 1,
11027 },
11028 Invisible::Whitespace {
11029 line_offset: TAB_SIZE as usize * 3 + 3,
11030 },
11031 ];
11032 assert_eq!(
11033 expected_invisibles.len(),
11034 input_text
11035 .chars()
11036 .filter(|initial_char| initial_char.is_whitespace())
11037 .count(),
11038 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
11039 );
11040
11041 for show_line_numbers in [true, false] {
11042 init_test(cx, |s| {
11043 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11044 s.defaults.tab_size = NonZeroU32::new(TAB_SIZE);
11045 });
11046
11047 let actual_invisibles = collect_invisibles_from_new_editor(
11048 cx,
11049 EditorMode::full(),
11050 input_text,
11051 px(500.0),
11052 show_line_numbers,
11053 );
11054
11055 assert_eq!(expected_invisibles, actual_invisibles);
11056 }
11057 }
11058
11059 #[gpui::test]
11060 fn test_invisibles_dont_appear_in_certain_editors(cx: &mut TestAppContext) {
11061 init_test(cx, |s| {
11062 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11063 s.defaults.tab_size = NonZeroU32::new(4);
11064 });
11065
11066 for editor_mode_without_invisibles in [
11067 EditorMode::SingleLine,
11068 EditorMode::AutoHeight {
11069 min_lines: 1,
11070 max_lines: Some(100),
11071 },
11072 ] {
11073 for show_line_numbers in [true, false] {
11074 let invisibles = collect_invisibles_from_new_editor(
11075 cx,
11076 editor_mode_without_invisibles.clone(),
11077 "\t\t\t| | a b",
11078 px(500.0),
11079 show_line_numbers,
11080 );
11081 assert!(
11082 invisibles.is_empty(),
11083 "For editor mode {editor_mode_without_invisibles:?} no invisibles was expected but got {invisibles:?}"
11084 );
11085 }
11086 }
11087 }
11088
11089 #[gpui::test]
11090 fn test_wrapped_invisibles_drawing(cx: &mut TestAppContext) {
11091 let tab_size = 4;
11092 let input_text = "a\tbcd ".repeat(9);
11093 let repeated_invisibles = [
11094 Invisible::Tab {
11095 line_start_offset: 1,
11096 line_end_offset: tab_size as usize,
11097 },
11098 Invisible::Whitespace {
11099 line_offset: tab_size as usize + 3,
11100 },
11101 Invisible::Whitespace {
11102 line_offset: tab_size as usize + 4,
11103 },
11104 Invisible::Whitespace {
11105 line_offset: tab_size as usize + 5,
11106 },
11107 Invisible::Whitespace {
11108 line_offset: tab_size as usize + 6,
11109 },
11110 Invisible::Whitespace {
11111 line_offset: tab_size as usize + 7,
11112 },
11113 ];
11114 let expected_invisibles = std::iter::once(repeated_invisibles)
11115 .cycle()
11116 .take(9)
11117 .flatten()
11118 .collect::<Vec<_>>();
11119 assert_eq!(
11120 expected_invisibles.len(),
11121 input_text
11122 .chars()
11123 .filter(|initial_char| initial_char.is_whitespace())
11124 .count(),
11125 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
11126 );
11127 info!("Expected invisibles: {expected_invisibles:?}");
11128
11129 init_test(cx, |_| {});
11130
11131 // Put the same string with repeating whitespace pattern into editors of various size,
11132 // take deliberately small steps during resizing, to put all whitespace kinds near the wrap point.
11133 let resize_step = 10.0;
11134 let mut editor_width = 200.0;
11135 while editor_width <= 1000.0 {
11136 for show_line_numbers in [true, false] {
11137 update_test_language_settings(cx, |s| {
11138 s.defaults.tab_size = NonZeroU32::new(tab_size);
11139 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11140 s.defaults.preferred_line_length = Some(editor_width as u32);
11141 s.defaults.soft_wrap = Some(language_settings::SoftWrap::PreferredLineLength);
11142 });
11143
11144 let actual_invisibles = collect_invisibles_from_new_editor(
11145 cx,
11146 EditorMode::full(),
11147 &input_text,
11148 px(editor_width),
11149 show_line_numbers,
11150 );
11151
11152 // Whatever the editor size is, ensure it has the same invisible kinds in the same order
11153 // (no good guarantees about the offsets: wrapping could trigger padding and its tests should check the offsets).
11154 let mut i = 0;
11155 for (actual_index, actual_invisible) in actual_invisibles.iter().enumerate() {
11156 i = actual_index;
11157 match expected_invisibles.get(i) {
11158 Some(expected_invisible) => match (expected_invisible, actual_invisible) {
11159 (Invisible::Whitespace { .. }, Invisible::Whitespace { .. })
11160 | (Invisible::Tab { .. }, Invisible::Tab { .. }) => {}
11161 _ => {
11162 panic!(
11163 "At index {i}, expected invisible {expected_invisible:?} does not match actual {actual_invisible:?} by kind. Actual invisibles: {actual_invisibles:?}"
11164 )
11165 }
11166 },
11167 None => {
11168 panic!("Unexpected extra invisible {actual_invisible:?} at index {i}")
11169 }
11170 }
11171 }
11172 let missing_expected_invisibles = &expected_invisibles[i + 1..];
11173 assert!(
11174 missing_expected_invisibles.is_empty(),
11175 "Missing expected invisibles after index {i}: {missing_expected_invisibles:?}"
11176 );
11177
11178 editor_width += resize_step;
11179 }
11180 }
11181 }
11182
11183 fn collect_invisibles_from_new_editor(
11184 cx: &mut TestAppContext,
11185 editor_mode: EditorMode,
11186 input_text: &str,
11187 editor_width: Pixels,
11188 show_line_numbers: bool,
11189 ) -> Vec<Invisible> {
11190 info!(
11191 "Creating editor with mode {editor_mode:?}, width {}px and text '{input_text}'",
11192 f32::from(editor_width)
11193 );
11194 let window = cx.add_window(|window, cx| {
11195 let buffer = MultiBuffer::build_simple(input_text, cx);
11196 Editor::new(editor_mode, buffer, None, window, cx)
11197 });
11198 let cx = &mut VisualTestContext::from_window(*window, cx);
11199 let editor = window.root(cx).unwrap();
11200
11201 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
11202 window
11203 .update(cx, |editor, _, cx| {
11204 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
11205 editor.set_wrap_width(Some(editor_width), cx);
11206 editor.set_show_line_numbers(show_line_numbers, cx);
11207 })
11208 .unwrap();
11209 let (_, state) = cx.draw(
11210 point(px(500.), px(500.)),
11211 size(px(500.), px(500.)),
11212 |_, _| EditorElement::new(&editor, style),
11213 );
11214 state
11215 .position_map
11216 .line_layouts
11217 .iter()
11218 .flat_map(|line_with_invisibles| &line_with_invisibles.invisibles)
11219 .cloned()
11220 .collect()
11221 }
11222
11223 #[gpui::test]
11224 fn test_merge_overlapping_ranges() {
11225 let base_bg = Hsla::white();
11226 let color1 = Hsla {
11227 h: 0.0,
11228 s: 0.5,
11229 l: 0.5,
11230 a: 0.5,
11231 };
11232 let color2 = Hsla {
11233 h: 120.0,
11234 s: 0.5,
11235 l: 0.5,
11236 a: 0.5,
11237 };
11238
11239 let display_point = |col| DisplayPoint::new(DisplayRow(0), col);
11240 let cols = |v: &Vec<(Range<DisplayPoint>, Hsla)>| -> Vec<(u32, u32)> {
11241 v.iter()
11242 .map(|(r, _)| (r.start.column(), r.end.column()))
11243 .collect()
11244 };
11245
11246 // Test overlapping ranges blend colors
11247 let overlapping = vec![
11248 (display_point(5)..display_point(15), color1),
11249 (display_point(10)..display_point(20), color2),
11250 ];
11251 let result = EditorElement::merge_overlapping_ranges(overlapping, base_bg);
11252 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11253
11254 // Test middle segment should have blended color
11255 let blended = Hsla::blend(Hsla::blend(base_bg, color1), color2);
11256 assert_eq!(result[1].1, blended);
11257
11258 // Test adjacent same-color ranges merge
11259 let adjacent_same = vec![
11260 (display_point(5)..display_point(10), color1),
11261 (display_point(10)..display_point(15), color1),
11262 ];
11263 let result = EditorElement::merge_overlapping_ranges(adjacent_same, base_bg);
11264 assert_eq!(cols(&result), vec![(5, 15)]);
11265
11266 // Test contained range splits
11267 let contained = vec![
11268 (display_point(5)..display_point(20), color1),
11269 (display_point(10)..display_point(15), color2),
11270 ];
11271 let result = EditorElement::merge_overlapping_ranges(contained, base_bg);
11272 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11273
11274 // Test multiple overlaps split at every boundary
11275 let color3 = Hsla {
11276 h: 240.0,
11277 s: 0.5,
11278 l: 0.5,
11279 a: 0.5,
11280 };
11281 let complex = vec![
11282 (display_point(5)..display_point(12), color1),
11283 (display_point(8)..display_point(16), color2),
11284 (display_point(10)..display_point(14), color3),
11285 ];
11286 let result = EditorElement::merge_overlapping_ranges(complex, base_bg);
11287 assert_eq!(
11288 cols(&result),
11289 vec![(5, 8), (8, 10), (10, 12), (12, 14), (14, 16)]
11290 );
11291 }
11292
11293 #[gpui::test]
11294 fn test_bg_segments_per_row() {
11295 let base_bg = Hsla::white();
11296
11297 // Case A: selection spans three display rows: row 1 [5, end), full row 2, row 3 [0, 7)
11298 {
11299 let selection_color = Hsla {
11300 h: 200.0,
11301 s: 0.5,
11302 l: 0.5,
11303 a: 0.5,
11304 };
11305 let player_color = PlayerColor {
11306 cursor: selection_color,
11307 background: selection_color,
11308 selection: selection_color,
11309 };
11310
11311 let spanning_selection = SelectionLayout {
11312 head: DisplayPoint::new(DisplayRow(3), 7),
11313 cursor_shape: CursorShape::Bar,
11314 is_newest: true,
11315 is_local: true,
11316 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 7),
11317 active_rows: DisplayRow(1)..DisplayRow(4),
11318 user_name: None,
11319 };
11320
11321 let selections = vec![(player_color, vec![spanning_selection])];
11322 let result = EditorElement::bg_segments_per_row(
11323 DisplayRow(0)..DisplayRow(5),
11324 &selections,
11325 &[],
11326 base_bg,
11327 );
11328
11329 assert_eq!(result.len(), 5);
11330 assert!(result[0].is_empty());
11331 assert_eq!(result[1].len(), 1);
11332 assert_eq!(result[2].len(), 1);
11333 assert_eq!(result[3].len(), 1);
11334 assert!(result[4].is_empty());
11335
11336 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11337 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11338 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11339 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11340 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11341 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11342 assert_eq!(result[3][0].0.start, DisplayPoint::new(DisplayRow(3), 0));
11343 assert_eq!(result[3][0].0.end, DisplayPoint::new(DisplayRow(3), 7));
11344 }
11345
11346 // Case B: selection ends exactly at the start of row 3, excluding row 3
11347 {
11348 let selection_color = Hsla {
11349 h: 120.0,
11350 s: 0.5,
11351 l: 0.5,
11352 a: 0.5,
11353 };
11354 let player_color = PlayerColor {
11355 cursor: selection_color,
11356 background: selection_color,
11357 selection: selection_color,
11358 };
11359
11360 let selection = SelectionLayout {
11361 head: DisplayPoint::new(DisplayRow(2), 0),
11362 cursor_shape: CursorShape::Bar,
11363 is_newest: true,
11364 is_local: true,
11365 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 0),
11366 active_rows: DisplayRow(1)..DisplayRow(3),
11367 user_name: None,
11368 };
11369
11370 let selections = vec![(player_color, vec![selection])];
11371 let result = EditorElement::bg_segments_per_row(
11372 DisplayRow(0)..DisplayRow(4),
11373 &selections,
11374 &[],
11375 base_bg,
11376 );
11377
11378 assert_eq!(result.len(), 4);
11379 assert!(result[0].is_empty());
11380 assert_eq!(result[1].len(), 1);
11381 assert_eq!(result[2].len(), 1);
11382 assert!(result[3].is_empty());
11383
11384 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11385 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11386 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11387 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11388 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11389 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11390 }
11391 }
11392
11393 #[cfg(test)]
11394 fn generate_test_run(len: usize, color: Hsla) -> TextRun {
11395 TextRun {
11396 len,
11397 font: gpui::font(".SystemUIFont"),
11398 color,
11399 background_color: None,
11400 underline: None,
11401 strikethrough: None,
11402 }
11403 }
11404
11405 #[gpui::test]
11406 fn test_split_runs_by_bg_segments(cx: &mut gpui::TestAppContext) {
11407 init_test(cx, |_| {});
11408
11409 let dx = |start: u32, end: u32| {
11410 DisplayPoint::new(DisplayRow(0), start)..DisplayPoint::new(DisplayRow(0), end)
11411 };
11412
11413 let text_color = Hsla {
11414 h: 210.0,
11415 s: 0.1,
11416 l: 0.4,
11417 a: 1.0,
11418 };
11419 let bg_1 = Hsla {
11420 h: 30.0,
11421 s: 0.6,
11422 l: 0.8,
11423 a: 1.0,
11424 };
11425 let bg_2 = Hsla {
11426 h: 200.0,
11427 s: 0.6,
11428 l: 0.2,
11429 a: 1.0,
11430 };
11431 let min_contrast = 45.0;
11432 let adjusted_bg1 = ensure_minimum_contrast(text_color, bg_1, min_contrast);
11433 let adjusted_bg2 = ensure_minimum_contrast(text_color, bg_2, min_contrast);
11434
11435 // Case A: single run; disjoint segments inside the run
11436 {
11437 let runs = vec![generate_test_run(20, text_color)];
11438 let segs = vec![(dx(5, 10), bg_1), (dx(12, 16), bg_2)];
11439 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11440 // Expected slices: [0,5) [5,10) [10,12) [12,16) [16,20)
11441 assert_eq!(
11442 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11443 vec![5, 5, 2, 4, 4]
11444 );
11445 assert_eq!(out[0].color, text_color);
11446 assert_eq!(out[1].color, adjusted_bg1);
11447 assert_eq!(out[2].color, text_color);
11448 assert_eq!(out[3].color, adjusted_bg2);
11449 assert_eq!(out[4].color, text_color);
11450 }
11451
11452 // Case B: multiple runs; segment extends to end of line (u32::MAX)
11453 {
11454 let runs = vec![
11455 generate_test_run(8, text_color),
11456 generate_test_run(7, text_color),
11457 ];
11458 let segs = vec![(dx(6, u32::MAX), bg_1)];
11459 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11460 // Expected slices across runs: [0,6) [6,8) | [0,7)
11461 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![6, 2, 7]);
11462 assert_eq!(out[0].color, text_color);
11463 assert_eq!(out[1].color, adjusted_bg1);
11464 assert_eq!(out[2].color, adjusted_bg1);
11465 }
11466
11467 // Case C: multi-byte characters
11468 {
11469 // for text: "Hello π δΈη!"
11470 let runs = vec![
11471 generate_test_run(5, text_color), // "Hello"
11472 generate_test_run(6, text_color), // " π "
11473 generate_test_run(6, text_color), // "δΈη"
11474 generate_test_run(1, text_color), // "!"
11475 ];
11476 // selecting "π δΈ"
11477 let segs = vec![(dx(6, 14), bg_1)];
11478 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11479 // "Hello" | " " | "π " | "δΈ" | "η" | "!"
11480 assert_eq!(
11481 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11482 vec![5, 1, 5, 3, 3, 1]
11483 );
11484 assert_eq!(out[0].color, text_color); // "Hello"
11485 assert_eq!(out[2].color, adjusted_bg1); // "π "
11486 assert_eq!(out[3].color, adjusted_bg1); // "δΈ"
11487 assert_eq!(out[4].color, text_color); // "η"
11488 assert_eq!(out[5].color, text_color); // "!"
11489 }
11490
11491 // Case D: split multiple consecutive text runs with segments
11492 {
11493 let segs = vec![
11494 (dx(2, 4), bg_1), // selecting "cd"
11495 (dx(4, 8), bg_2), // selecting "efgh"
11496 (dx(9, 11), bg_1), // selecting "jk"
11497 (dx(12, 16), bg_2), // selecting "mnop"
11498 (dx(18, 19), bg_1), // selecting "s"
11499 ];
11500
11501 // for text: "abcdef"
11502 let runs = vec![
11503 generate_test_run(2, text_color), // ab
11504 generate_test_run(4, text_color), // cdef
11505 ];
11506 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11507 // new splits "ab", "cd", "ef"
11508 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![2, 2, 2]);
11509 assert_eq!(out[0].color, text_color);
11510 assert_eq!(out[1].color, adjusted_bg1);
11511 assert_eq!(out[2].color, adjusted_bg2);
11512
11513 // for text: "ghijklmn"
11514 let runs = vec![
11515 generate_test_run(3, text_color), // ghi
11516 generate_test_run(2, text_color), // jk
11517 generate_test_run(3, text_color), // lmn
11518 ];
11519 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 6); // 2 + 4 from first run
11520 // new splits "gh", "i", "jk", "l", "mn"
11521 assert_eq!(
11522 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11523 vec![2, 1, 2, 1, 2]
11524 );
11525 assert_eq!(out[0].color, adjusted_bg2);
11526 assert_eq!(out[1].color, text_color);
11527 assert_eq!(out[2].color, adjusted_bg1);
11528 assert_eq!(out[3].color, text_color);
11529 assert_eq!(out[4].color, adjusted_bg2);
11530
11531 // for text: "opqrs"
11532 let runs = vec![
11533 generate_test_run(1, text_color), // o
11534 generate_test_run(4, text_color), // pqrs
11535 ];
11536 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 14); // 6 + 3 + 2 + 3 from first two runs
11537 // new splits "o", "p", "qr", "s"
11538 assert_eq!(
11539 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11540 vec![1, 1, 2, 1]
11541 );
11542 assert_eq!(out[0].color, adjusted_bg2);
11543 assert_eq!(out[1].color, adjusted_bg2);
11544 assert_eq!(out[2].color, text_color);
11545 assert_eq!(out[3].color, adjusted_bg1);
11546 }
11547 }
11548}