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::collapse_all_diff_hunks);
497 register_action(editor, window, Editor::go_to_previous_change);
498 register_action(editor, window, Editor::go_to_next_change);
499
500 register_action(editor, window, |editor, action, window, cx| {
501 if let Some(task) = editor.format(action, window, cx) {
502 task.detach_and_notify_err(window, cx);
503 } else {
504 cx.propagate();
505 }
506 });
507 register_action(editor, window, |editor, action, window, cx| {
508 if let Some(task) = editor.format_selections(action, window, cx) {
509 task.detach_and_notify_err(window, cx);
510 } else {
511 cx.propagate();
512 }
513 });
514 register_action(editor, window, |editor, action, window, cx| {
515 if let Some(task) = editor.organize_imports(action, window, cx) {
516 task.detach_and_notify_err(window, cx);
517 } else {
518 cx.propagate();
519 }
520 });
521 register_action(editor, window, Editor::restart_language_server);
522 register_action(editor, window, Editor::stop_language_server);
523 register_action(editor, window, Editor::show_character_palette);
524 register_action(editor, window, |editor, action, window, cx| {
525 if let Some(task) = editor.confirm_completion(action, window, cx) {
526 task.detach_and_notify_err(window, cx);
527 } else {
528 cx.propagate();
529 }
530 });
531 register_action(editor, window, |editor, action, window, cx| {
532 if let Some(task) = editor.confirm_completion_replace(action, window, cx) {
533 task.detach_and_notify_err(window, cx);
534 } else {
535 cx.propagate();
536 }
537 });
538 register_action(editor, window, |editor, action, window, cx| {
539 if let Some(task) = editor.confirm_completion_insert(action, window, cx) {
540 task.detach_and_notify_err(window, cx);
541 } else {
542 cx.propagate();
543 }
544 });
545 register_action(editor, window, |editor, action, window, cx| {
546 if let Some(task) = editor.compose_completion(action, window, cx) {
547 task.detach_and_notify_err(window, cx);
548 } else {
549 cx.propagate();
550 }
551 });
552 register_action(editor, window, |editor, action, window, cx| {
553 if let Some(task) = editor.confirm_code_action(action, window, cx) {
554 task.detach_and_notify_err(window, cx);
555 } else {
556 cx.propagate();
557 }
558 });
559 register_action(editor, window, |editor, action, window, cx| {
560 if let Some(task) = editor.rename(action, window, cx) {
561 task.detach_and_notify_err(window, cx);
562 } else {
563 cx.propagate();
564 }
565 });
566 register_action(editor, window, |editor, action, window, cx| {
567 if let Some(task) = editor.confirm_rename(action, window, cx) {
568 task.detach_and_notify_err(window, cx);
569 } else {
570 cx.propagate();
571 }
572 });
573 register_action(editor, window, |editor, action, window, cx| {
574 if let Some(task) = editor.find_all_references(action, window, cx) {
575 task.detach_and_log_err(cx);
576 } else {
577 cx.propagate();
578 }
579 });
580 register_action(editor, window, Editor::show_signature_help);
581 register_action(editor, window, Editor::signature_help_prev);
582 register_action(editor, window, Editor::signature_help_next);
583 register_action(editor, window, Editor::next_edit_prediction);
584 register_action(editor, window, Editor::previous_edit_prediction);
585 register_action(editor, window, Editor::show_edit_prediction);
586 register_action(editor, window, Editor::context_menu_first);
587 register_action(editor, window, Editor::context_menu_prev);
588 register_action(editor, window, Editor::context_menu_next);
589 register_action(editor, window, Editor::context_menu_last);
590 register_action(editor, window, Editor::display_cursor_names);
591 register_action(editor, window, Editor::unique_lines_case_insensitive);
592 register_action(editor, window, Editor::unique_lines_case_sensitive);
593 register_action(editor, window, Editor::accept_partial_edit_prediction);
594 register_action(editor, window, Editor::accept_edit_prediction);
595 register_action(editor, window, Editor::restore_file);
596 register_action(editor, window, Editor::git_restore);
597 register_action(editor, window, Editor::apply_all_diff_hunks);
598 register_action(editor, window, Editor::apply_selected_diff_hunks);
599 register_action(editor, window, Editor::open_active_item_in_terminal);
600 register_action(editor, window, Editor::reload_file);
601 register_action(editor, window, Editor::spawn_nearest_task);
602 register_action(editor, window, Editor::insert_uuid_v4);
603 register_action(editor, window, Editor::insert_uuid_v7);
604 register_action(editor, window, Editor::open_selections_in_multibuffer);
605 register_action(editor, window, Editor::toggle_breakpoint);
606 register_action(editor, window, Editor::edit_log_breakpoint);
607 register_action(editor, window, Editor::enable_breakpoint);
608 register_action(editor, window, Editor::disable_breakpoint);
609 if editor.read(cx).enable_wrap_selections_in_tag(cx) {
610 register_action(editor, window, Editor::wrap_selections_in_tag);
611 }
612 }
613
614 fn register_key_listeners(&self, window: &mut Window, _: &mut App, layout: &EditorLayout) {
615 let position_map = layout.position_map.clone();
616 window.on_key_event({
617 let editor = self.editor.clone();
618 move |event: &ModifiersChangedEvent, phase, window, cx| {
619 if phase != DispatchPhase::Bubble {
620 return;
621 }
622 editor.update(cx, |editor, cx| {
623 let inlay_hint_settings = inlay_hint_settings(
624 editor.selections.newest_anchor().head(),
625 &editor.buffer.read(cx).snapshot(cx),
626 cx,
627 );
628
629 if let Some(inlay_modifiers) = inlay_hint_settings
630 .toggle_on_modifiers_press
631 .as_ref()
632 .filter(|modifiers| modifiers.modified())
633 {
634 editor.refresh_inlay_hints(
635 InlayHintRefreshReason::ModifiersChanged(
636 inlay_modifiers == &event.modifiers,
637 ),
638 cx,
639 );
640 }
641
642 if editor.hover_state.focused(window, cx) {
643 return;
644 }
645
646 editor.handle_modifiers_changed(event.modifiers, &position_map, window, cx);
647 })
648 }
649 });
650 }
651
652 fn mouse_left_down(
653 editor: &mut Editor,
654 event: &MouseDownEvent,
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) =
671 position_map
672 .display_hunks
673 .iter()
674 .find_map(|(hunk, hunk_hitbox)| match hunk {
675 DisplayDiffHunk::Folded { .. } => None,
676 DisplayDiffHunk::Unfolded {
677 multi_buffer_range, ..
678 } => hunk_hitbox
679 .as_ref()
680 .is_some_and(|hitbox| hitbox.is_hovered(window))
681 .then(|| multi_buffer_range.clone()),
682 })
683 {
684 editor.toggle_single_diff_hunk(hovered_hunk, cx);
685 cx.notify();
686 return;
687 } else if gutter_hitbox.is_hovered(window) {
688 click_count = 3; // Simulate triple-click when clicking the gutter to select lines
689 } else if !text_hitbox.is_hovered(window) {
690 return;
691 }
692
693 if EditorSettings::get_global(cx)
694 .drag_and_drop_selection
695 .enabled
696 && click_count == 1
697 && !modifiers.shift
698 {
699 let newest_anchor = editor.selections.newest_anchor();
700 let snapshot = editor.snapshot(window, cx);
701 let selection = newest_anchor.map(|anchor| anchor.to_display_point(&snapshot));
702 if point_for_position.intersects_selection(&selection) {
703 editor.selection_drag_state = SelectionDragState::ReadyToDrag {
704 selection: newest_anchor.clone(),
705 click_position: event.position,
706 mouse_down_time: Instant::now(),
707 };
708 cx.stop_propagation();
709 return;
710 }
711 }
712
713 let is_singleton = editor.buffer().read(cx).is_singleton();
714
715 if click_count == 2 && !is_singleton {
716 match EditorSettings::get_global(cx).double_click_in_multibuffer {
717 DoubleClickInMultibuffer::Select => {
718 // do nothing special on double click, all selection logic is below
719 }
720 DoubleClickInMultibuffer::Open => {
721 if modifiers.alt {
722 // if double click is made with alt, pretend it's a regular double click without opening and alt,
723 // and run the selection logic.
724 modifiers.alt = false;
725 } else {
726 let scroll_position_row = position_map.scroll_position.y;
727 let display_row = (((event.position - gutter_hitbox.bounds.origin).y
728 / position_map.line_height)
729 as f64
730 + position_map.scroll_position.y)
731 as u32;
732 let multi_buffer_row = position_map
733 .snapshot
734 .display_point_to_point(
735 DisplayPoint::new(DisplayRow(display_row), 0),
736 Bias::Right,
737 )
738 .row;
739 let line_offset_from_top = display_row - scroll_position_row as u32;
740 // if double click is made without alt, open the corresponding excerp
741 editor.open_excerpts_common(
742 Some(JumpData::MultiBufferRow {
743 row: MultiBufferRow(multi_buffer_row),
744 line_offset_from_top,
745 }),
746 false,
747 window,
748 cx,
749 );
750 return;
751 }
752 }
753 }
754 }
755
756 if !is_singleton {
757 let display_row = (ScrollPixelOffset::from(
758 (event.position - gutter_hitbox.bounds.origin).y / position_map.line_height,
759 ) + position_map.scroll_position.y) as u32;
760 let multi_buffer_row = position_map
761 .snapshot
762 .display_point_to_point(DisplayPoint::new(DisplayRow(display_row), 0), Bias::Right)
763 .row;
764 if line_numbers
765 .get(&MultiBufferRow(multi_buffer_row))
766 .and_then(|line_number| line_number.hitbox.as_ref())
767 .is_some_and(|hitbox| hitbox.contains(&event.position))
768 {
769 let line_offset_from_top = display_row - position_map.scroll_position.y as u32;
770
771 editor.open_excerpts_common(
772 Some(JumpData::MultiBufferRow {
773 row: MultiBufferRow(multi_buffer_row),
774 line_offset_from_top,
775 }),
776 modifiers.alt,
777 window,
778 cx,
779 );
780 cx.stop_propagation();
781 return;
782 }
783 }
784
785 let position = point_for_position.previous_valid;
786 if let Some(mode) = Editor::columnar_selection_mode(&modifiers, cx) {
787 editor.select(
788 SelectPhase::BeginColumnar {
789 position,
790 reset: match mode {
791 ColumnarMode::FromMouse => true,
792 ColumnarMode::FromSelection => false,
793 },
794 mode,
795 goal_column: point_for_position.exact_unclipped.column(),
796 },
797 window,
798 cx,
799 );
800 } else if modifiers.shift && !modifiers.control && !modifiers.alt && !modifiers.secondary()
801 {
802 editor.select(
803 SelectPhase::Extend {
804 position,
805 click_count,
806 },
807 window,
808 cx,
809 );
810 } else {
811 editor.select(
812 SelectPhase::Begin {
813 position,
814 add: Editor::multi_cursor_modifier(true, &modifiers, cx),
815 click_count,
816 },
817 window,
818 cx,
819 );
820 }
821 cx.stop_propagation();
822 }
823
824 fn mouse_right_down(
825 editor: &mut Editor,
826 event: &MouseDownEvent,
827 position_map: &PositionMap,
828 window: &mut Window,
829 cx: &mut Context<Editor>,
830 ) {
831 if position_map.gutter_hitbox.is_hovered(window) {
832 let gutter_right_padding = editor.gutter_dimensions.right_padding;
833 let hitbox = &position_map.gutter_hitbox;
834
835 if event.position.x <= hitbox.bounds.right() - gutter_right_padding {
836 let point_for_position = position_map.point_for_position(event.position);
837 editor.set_breakpoint_context_menu(
838 point_for_position.previous_valid.row(),
839 None,
840 event.position,
841 window,
842 cx,
843 );
844 }
845 return;
846 }
847
848 if !position_map.text_hitbox.is_hovered(window) {
849 return;
850 }
851
852 let point_for_position = position_map.point_for_position(event.position);
853 mouse_context_menu::deploy_context_menu(
854 editor,
855 Some(event.position),
856 point_for_position.previous_valid,
857 window,
858 cx,
859 );
860 cx.stop_propagation();
861 }
862
863 fn mouse_middle_down(
864 editor: &mut Editor,
865 event: &MouseDownEvent,
866 position_map: &PositionMap,
867 window: &mut Window,
868 cx: &mut Context<Editor>,
869 ) {
870 if !position_map.text_hitbox.is_hovered(window) || window.default_prevented() {
871 return;
872 }
873
874 let point_for_position = position_map.point_for_position(event.position);
875 let position = point_for_position.previous_valid;
876
877 editor.select(
878 SelectPhase::BeginColumnar {
879 position,
880 reset: true,
881 mode: ColumnarMode::FromMouse,
882 goal_column: point_for_position.exact_unclipped.column(),
883 },
884 window,
885 cx,
886 );
887 }
888
889 fn mouse_up(
890 editor: &mut Editor,
891 event: &MouseUpEvent,
892 position_map: &PositionMap,
893 window: &mut Window,
894 cx: &mut Context<Editor>,
895 ) {
896 let text_hitbox = &position_map.text_hitbox;
897 let end_selection = editor.has_pending_selection();
898 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
899 let point_for_position = position_map.point_for_position(event.position);
900
901 match editor.selection_drag_state {
902 SelectionDragState::ReadyToDrag {
903 selection: _,
904 ref click_position,
905 mouse_down_time: _,
906 } => {
907 if event.position == *click_position {
908 editor.select(
909 SelectPhase::Begin {
910 position: point_for_position.previous_valid,
911 add: false,
912 click_count: 1, // ready to drag state only occurs on click count 1
913 },
914 window,
915 cx,
916 );
917 editor.selection_drag_state = SelectionDragState::None;
918 cx.stop_propagation();
919 return;
920 } else {
921 debug_panic!("drag state can never be in ready state after drag")
922 }
923 }
924 SelectionDragState::Dragging { ref selection, .. } => {
925 let snapshot = editor.snapshot(window, cx);
926 let selection_display = selection.map(|anchor| anchor.to_display_point(&snapshot));
927 if !point_for_position.intersects_selection(&selection_display)
928 && text_hitbox.is_hovered(window)
929 {
930 let is_cut = !(cfg!(target_os = "macos") && event.modifiers.alt
931 || cfg!(not(target_os = "macos")) && event.modifiers.control);
932 editor.move_selection_on_drop(
933 &selection.clone(),
934 point_for_position.previous_valid,
935 is_cut,
936 window,
937 cx,
938 );
939 }
940 editor.selection_drag_state = SelectionDragState::None;
941 cx.stop_propagation();
942 cx.notify();
943 return;
944 }
945 _ => {}
946 }
947
948 if end_selection {
949 editor.select(SelectPhase::End, window, cx);
950 }
951
952 if end_selection && pending_nonempty_selections {
953 cx.stop_propagation();
954 } else if cfg!(any(target_os = "linux", target_os = "freebsd"))
955 && event.button == MouseButton::Middle
956 {
957 #[allow(
958 clippy::collapsible_if,
959 clippy::needless_return,
960 reason = "The cfg-block below makes this a false positive"
961 )]
962 if !text_hitbox.is_hovered(window) || editor.read_only(cx) {
963 return;
964 }
965
966 #[cfg(any(target_os = "linux", target_os = "freebsd"))]
967 if EditorSettings::get_global(cx).middle_click_paste {
968 if let Some(text) = cx.read_from_primary().and_then(|item| item.text()) {
969 let point_for_position = position_map.point_for_position(event.position);
970 let position = point_for_position.previous_valid;
971
972 editor.select(
973 SelectPhase::Begin {
974 position,
975 add: false,
976 click_count: 1,
977 },
978 window,
979 cx,
980 );
981 editor.insert(&text, window, cx);
982 }
983 cx.stop_propagation()
984 }
985 }
986 }
987
988 fn click(
989 editor: &mut Editor,
990 event: &ClickEvent,
991 position_map: &PositionMap,
992 window: &mut Window,
993 cx: &mut Context<Editor>,
994 ) {
995 let text_hitbox = &position_map.text_hitbox;
996 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
997
998 let hovered_link_modifier = Editor::multi_cursor_modifier(false, &event.modifiers(), cx);
999
1000 if let Some(mouse_position) = event.mouse_position()
1001 && !pending_nonempty_selections
1002 && hovered_link_modifier
1003 && text_hitbox.is_hovered(window)
1004 {
1005 let point = position_map.point_for_position(mouse_position);
1006 editor.handle_click_hovered_link(point, event.modifiers(), window, cx);
1007 editor.selection_drag_state = SelectionDragState::None;
1008
1009 cx.stop_propagation();
1010 }
1011 }
1012
1013 fn mouse_dragged(
1014 editor: &mut Editor,
1015 event: &MouseMoveEvent,
1016 position_map: &PositionMap,
1017 window: &mut Window,
1018 cx: &mut Context<Editor>,
1019 ) {
1020 if !editor.has_pending_selection()
1021 && matches!(editor.selection_drag_state, SelectionDragState::None)
1022 {
1023 return;
1024 }
1025
1026 let point_for_position = position_map.point_for_position(event.position);
1027 let text_hitbox = &position_map.text_hitbox;
1028
1029 let scroll_delta = {
1030 let text_bounds = text_hitbox.bounds;
1031 let mut scroll_delta = gpui::Point::<f32>::default();
1032 let vertical_margin = position_map.line_height.min(text_bounds.size.height / 3.0);
1033 let top = text_bounds.origin.y + vertical_margin;
1034 let bottom = text_bounds.bottom_left().y - vertical_margin;
1035 if event.position.y < top {
1036 scroll_delta.y = -scale_vertical_mouse_autoscroll_delta(top - event.position.y);
1037 }
1038 if event.position.y > bottom {
1039 scroll_delta.y = scale_vertical_mouse_autoscroll_delta(event.position.y - bottom);
1040 }
1041
1042 // We need horizontal width of text
1043 let style = editor.style.clone().unwrap_or_default();
1044 let font_id = window.text_system().resolve_font(&style.text.font());
1045 let font_size = style.text.font_size.to_pixels(window.rem_size());
1046 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
1047
1048 let scroll_margin_x = EditorSettings::get_global(cx).horizontal_scroll_margin;
1049
1050 let scroll_space: Pixels = scroll_margin_x * em_width;
1051
1052 let left = text_bounds.origin.x + scroll_space;
1053 let right = text_bounds.top_right().x - scroll_space;
1054
1055 if event.position.x < left {
1056 scroll_delta.x = -scale_horizontal_mouse_autoscroll_delta(left - event.position.x);
1057 }
1058 if event.position.x > right {
1059 scroll_delta.x = scale_horizontal_mouse_autoscroll_delta(event.position.x - right);
1060 }
1061 scroll_delta
1062 };
1063
1064 if !editor.has_pending_selection() {
1065 let drop_anchor = position_map
1066 .snapshot
1067 .display_point_to_anchor(point_for_position.previous_valid, Bias::Left);
1068 match editor.selection_drag_state {
1069 SelectionDragState::Dragging {
1070 ref mut drop_cursor,
1071 ref mut hide_drop_cursor,
1072 ..
1073 } => {
1074 drop_cursor.start = drop_anchor;
1075 drop_cursor.end = drop_anchor;
1076 *hide_drop_cursor = !text_hitbox.is_hovered(window);
1077 editor.apply_scroll_delta(scroll_delta, window, cx);
1078 cx.notify();
1079 }
1080 SelectionDragState::ReadyToDrag {
1081 ref selection,
1082 ref click_position,
1083 ref mouse_down_time,
1084 } => {
1085 let drag_and_drop_delay = Duration::from_millis(
1086 EditorSettings::get_global(cx)
1087 .drag_and_drop_selection
1088 .delay
1089 .0,
1090 );
1091 if mouse_down_time.elapsed() >= drag_and_drop_delay {
1092 let drop_cursor = Selection {
1093 id: post_inc(&mut editor.selections.next_selection_id()),
1094 start: drop_anchor,
1095 end: drop_anchor,
1096 reversed: false,
1097 goal: SelectionGoal::None,
1098 };
1099 editor.selection_drag_state = SelectionDragState::Dragging {
1100 selection: selection.clone(),
1101 drop_cursor,
1102 hide_drop_cursor: false,
1103 };
1104 editor.apply_scroll_delta(scroll_delta, window, cx);
1105 cx.notify();
1106 } else {
1107 let click_point = position_map.point_for_position(*click_position);
1108 editor.selection_drag_state = SelectionDragState::None;
1109 editor.select(
1110 SelectPhase::Begin {
1111 position: click_point.previous_valid,
1112 add: false,
1113 click_count: 1,
1114 },
1115 window,
1116 cx,
1117 );
1118 editor.select(
1119 SelectPhase::Update {
1120 position: point_for_position.previous_valid,
1121 goal_column: point_for_position.exact_unclipped.column(),
1122 scroll_delta,
1123 },
1124 window,
1125 cx,
1126 );
1127 }
1128 }
1129 _ => {}
1130 }
1131 } else {
1132 editor.select(
1133 SelectPhase::Update {
1134 position: point_for_position.previous_valid,
1135 goal_column: point_for_position.exact_unclipped.column(),
1136 scroll_delta,
1137 },
1138 window,
1139 cx,
1140 );
1141 }
1142 }
1143
1144 fn mouse_moved(
1145 editor: &mut Editor,
1146 event: &MouseMoveEvent,
1147 position_map: &PositionMap,
1148 window: &mut Window,
1149 cx: &mut Context<Editor>,
1150 ) {
1151 let text_hitbox = &position_map.text_hitbox;
1152 let gutter_hitbox = &position_map.gutter_hitbox;
1153 let modifiers = event.modifiers;
1154 let text_hovered = text_hitbox.is_hovered(window);
1155 let gutter_hovered = gutter_hitbox.is_hovered(window);
1156 editor.set_gutter_hovered(gutter_hovered, cx);
1157 editor.show_mouse_cursor(cx);
1158
1159 let point_for_position = position_map.point_for_position(event.position);
1160 let valid_point = point_for_position.previous_valid;
1161
1162 let hovered_diff_control = position_map
1163 .diff_hunk_control_bounds
1164 .iter()
1165 .find(|(_, bounds)| bounds.contains(&event.position))
1166 .map(|(row, _)| *row);
1167
1168 let hovered_diff_hunk_row = if let Some(control_row) = hovered_diff_control {
1169 Some(control_row)
1170 } else if text_hovered {
1171 let current_row = valid_point.row();
1172 position_map.display_hunks.iter().find_map(|(hunk, _)| {
1173 if let DisplayDiffHunk::Unfolded {
1174 display_row_range, ..
1175 } = hunk
1176 {
1177 if display_row_range.contains(¤t_row) {
1178 Some(display_row_range.start)
1179 } else {
1180 None
1181 }
1182 } else {
1183 None
1184 }
1185 })
1186 } else {
1187 None
1188 };
1189
1190 if hovered_diff_hunk_row != editor.hovered_diff_hunk_row {
1191 editor.hovered_diff_hunk_row = hovered_diff_hunk_row;
1192 cx.notify();
1193 }
1194
1195 if let Some((bounds, buffer_id, blame_entry)) = &position_map.inline_blame_bounds {
1196 let mouse_over_inline_blame = bounds.contains(&event.position);
1197 let mouse_over_popover = editor
1198 .inline_blame_popover
1199 .as_ref()
1200 .and_then(|state| state.popover_bounds)
1201 .is_some_and(|bounds| bounds.contains(&event.position));
1202 let keyboard_grace = editor
1203 .inline_blame_popover
1204 .as_ref()
1205 .is_some_and(|state| state.keyboard_grace);
1206
1207 if mouse_over_inline_blame || mouse_over_popover {
1208 editor.show_blame_popover(*buffer_id, blame_entry, event.position, false, cx);
1209 } else if !keyboard_grace {
1210 editor.hide_blame_popover(cx);
1211 }
1212 } else {
1213 editor.hide_blame_popover(cx);
1214 }
1215
1216 let breakpoint_indicator = if gutter_hovered {
1217 let buffer_anchor = position_map
1218 .snapshot
1219 .display_point_to_anchor(valid_point, Bias::Left);
1220
1221 if let Some((buffer_snapshot, file)) = position_map
1222 .snapshot
1223 .buffer_snapshot()
1224 .buffer_for_excerpt(buffer_anchor.excerpt_id)
1225 .and_then(|buffer| buffer.file().map(|file| (buffer, file)))
1226 {
1227 let as_point = text::ToPoint::to_point(&buffer_anchor.text_anchor, buffer_snapshot);
1228
1229 let is_visible = editor
1230 .gutter_breakpoint_indicator
1231 .0
1232 .is_some_and(|indicator| indicator.is_active);
1233
1234 let has_existing_breakpoint =
1235 editor.breakpoint_store.as_ref().is_some_and(|store| {
1236 let Some(project) = &editor.project else {
1237 return false;
1238 };
1239 let Some(abs_path) = project.read(cx).absolute_path(
1240 &ProjectPath {
1241 path: file.path().clone(),
1242 worktree_id: file.worktree_id(cx),
1243 },
1244 cx,
1245 ) else {
1246 return false;
1247 };
1248 store
1249 .read(cx)
1250 .breakpoint_at_row(&abs_path, as_point.row, cx)
1251 .is_some()
1252 });
1253
1254 if !is_visible {
1255 editor.gutter_breakpoint_indicator.1.get_or_insert_with(|| {
1256 cx.spawn(async move |this, cx| {
1257 cx.background_executor()
1258 .timer(Duration::from_millis(200))
1259 .await;
1260
1261 this.update(cx, |this, cx| {
1262 if let Some(indicator) = this.gutter_breakpoint_indicator.0.as_mut()
1263 {
1264 indicator.is_active = true;
1265 cx.notify();
1266 }
1267 })
1268 .ok();
1269 })
1270 });
1271 }
1272
1273 Some(PhantomBreakpointIndicator {
1274 display_row: valid_point.row(),
1275 is_active: is_visible,
1276 collides_with_existing_breakpoint: has_existing_breakpoint,
1277 })
1278 } else {
1279 editor.gutter_breakpoint_indicator.1 = None;
1280 None
1281 }
1282 } else {
1283 editor.gutter_breakpoint_indicator.1 = None;
1284 None
1285 };
1286
1287 if &breakpoint_indicator != &editor.gutter_breakpoint_indicator.0 {
1288 editor.gutter_breakpoint_indicator.0 = breakpoint_indicator;
1289 cx.notify();
1290 }
1291
1292 // Don't trigger hover popover if mouse is hovering over context menu
1293 if text_hovered {
1294 editor.update_hovered_link(
1295 point_for_position,
1296 &position_map.snapshot,
1297 modifiers,
1298 window,
1299 cx,
1300 );
1301
1302 if let Some(point) = point_for_position.as_valid() {
1303 let anchor = position_map
1304 .snapshot
1305 .buffer_snapshot()
1306 .anchor_before(point.to_offset(&position_map.snapshot, Bias::Left));
1307 hover_at(editor, Some(anchor), window, cx);
1308 Self::update_visible_cursor(editor, point, position_map, window, cx);
1309 } else {
1310 hover_at(editor, None, window, cx);
1311 }
1312 } else {
1313 editor.hide_hovered_link(cx);
1314 hover_at(editor, None, window, cx);
1315 }
1316 }
1317
1318 fn update_visible_cursor(
1319 editor: &mut Editor,
1320 point: DisplayPoint,
1321 position_map: &PositionMap,
1322 window: &mut Window,
1323 cx: &mut Context<Editor>,
1324 ) {
1325 let snapshot = &position_map.snapshot;
1326 let Some(hub) = editor.collaboration_hub() else {
1327 return;
1328 };
1329 let start = snapshot.display_snapshot.clip_point(
1330 DisplayPoint::new(point.row(), point.column().saturating_sub(1)),
1331 Bias::Left,
1332 );
1333 let end = snapshot.display_snapshot.clip_point(
1334 DisplayPoint::new(
1335 point.row(),
1336 (point.column() + 1).min(snapshot.line_len(point.row())),
1337 ),
1338 Bias::Right,
1339 );
1340
1341 let range = snapshot
1342 .buffer_snapshot()
1343 .anchor_before(start.to_point(&snapshot.display_snapshot))
1344 ..snapshot
1345 .buffer_snapshot()
1346 .anchor_after(end.to_point(&snapshot.display_snapshot));
1347
1348 let Some(selection) = snapshot.remote_selections_in_range(&range, hub, cx).next() else {
1349 return;
1350 };
1351 let key = crate::HoveredCursor {
1352 replica_id: selection.replica_id,
1353 selection_id: selection.selection.id,
1354 };
1355 editor.hovered_cursors.insert(
1356 key.clone(),
1357 cx.spawn_in(window, async move |editor, cx| {
1358 cx.background_executor().timer(CURSORS_VISIBLE_FOR).await;
1359 editor
1360 .update(cx, |editor, cx| {
1361 editor.hovered_cursors.remove(&key);
1362 cx.notify();
1363 })
1364 .ok();
1365 }),
1366 );
1367 cx.notify()
1368 }
1369
1370 fn layout_selections(
1371 &self,
1372 start_anchor: Anchor,
1373 end_anchor: Anchor,
1374 local_selections: &[Selection<Point>],
1375 snapshot: &EditorSnapshot,
1376 start_row: DisplayRow,
1377 end_row: DisplayRow,
1378 window: &mut Window,
1379 cx: &mut App,
1380 ) -> (
1381 Vec<(PlayerColor, Vec<SelectionLayout>)>,
1382 BTreeMap<DisplayRow, LineHighlightSpec>,
1383 Option<DisplayPoint>,
1384 ) {
1385 let mut selections: Vec<(PlayerColor, Vec<SelectionLayout>)> = Vec::new();
1386 let mut active_rows = BTreeMap::new();
1387 let mut newest_selection_head = None;
1388
1389 let Some(editor_with_selections) = self.editor_with_selections(cx) else {
1390 return (selections, active_rows, newest_selection_head);
1391 };
1392
1393 editor_with_selections.update(cx, |editor, cx| {
1394 if editor.show_local_selections {
1395 let mut layouts = Vec::new();
1396 let newest = editor.selections.newest(&editor.display_snapshot(cx));
1397 for selection in local_selections.iter().cloned() {
1398 let is_empty = selection.start == selection.end;
1399 let is_newest = selection == newest;
1400
1401 let layout = SelectionLayout::new(
1402 selection,
1403 editor.selections.line_mode(),
1404 editor.cursor_shape,
1405 &snapshot.display_snapshot,
1406 is_newest,
1407 editor.leader_id.is_none(),
1408 None,
1409 );
1410 if is_newest {
1411 newest_selection_head = Some(layout.head);
1412 }
1413
1414 for row in cmp::max(layout.active_rows.start.0, start_row.0)
1415 ..=cmp::min(layout.active_rows.end.0, end_row.0)
1416 {
1417 let contains_non_empty_selection = active_rows
1418 .entry(DisplayRow(row))
1419 .or_insert_with(LineHighlightSpec::default);
1420 contains_non_empty_selection.selection |= !is_empty;
1421 }
1422 layouts.push(layout);
1423 }
1424
1425 let player = editor.current_user_player_color(cx);
1426 selections.push((player, layouts));
1427
1428 if let SelectionDragState::Dragging {
1429 ref selection,
1430 ref drop_cursor,
1431 ref hide_drop_cursor,
1432 } = editor.selection_drag_state
1433 && !hide_drop_cursor
1434 && (drop_cursor
1435 .start
1436 .cmp(&selection.start, &snapshot.buffer_snapshot())
1437 .eq(&Ordering::Less)
1438 || drop_cursor
1439 .end
1440 .cmp(&selection.end, &snapshot.buffer_snapshot())
1441 .eq(&Ordering::Greater))
1442 {
1443 let drag_cursor_layout = SelectionLayout::new(
1444 drop_cursor.clone(),
1445 false,
1446 CursorShape::Bar,
1447 &snapshot.display_snapshot,
1448 false,
1449 false,
1450 None,
1451 );
1452 let absent_color = cx.theme().players().absent();
1453 selections.push((absent_color, vec![drag_cursor_layout]));
1454 }
1455 }
1456
1457 if let Some(collaboration_hub) = &editor.collaboration_hub {
1458 // When following someone, render the local selections in their color.
1459 if let Some(leader_id) = editor.leader_id {
1460 match leader_id {
1461 CollaboratorId::PeerId(peer_id) => {
1462 if let Some(collaborator) =
1463 collaboration_hub.collaborators(cx).get(&peer_id)
1464 && let Some(participant_index) = collaboration_hub
1465 .user_participant_indices(cx)
1466 .get(&collaborator.user_id)
1467 && let Some((local_selection_style, _)) = selections.first_mut()
1468 {
1469 *local_selection_style = cx
1470 .theme()
1471 .players()
1472 .color_for_participant(participant_index.0);
1473 }
1474 }
1475 CollaboratorId::Agent => {
1476 if let Some((local_selection_style, _)) = selections.first_mut() {
1477 *local_selection_style = cx.theme().players().agent();
1478 }
1479 }
1480 }
1481 }
1482
1483 let mut remote_selections = HashMap::default();
1484 for selection in snapshot.remote_selections_in_range(
1485 &(start_anchor..end_anchor),
1486 collaboration_hub.as_ref(),
1487 cx,
1488 ) {
1489 // Don't re-render the leader's selections, since the local selections
1490 // match theirs.
1491 if Some(selection.collaborator_id) == editor.leader_id {
1492 continue;
1493 }
1494 let key = HoveredCursor {
1495 replica_id: selection.replica_id,
1496 selection_id: selection.selection.id,
1497 };
1498
1499 let is_shown =
1500 editor.show_cursor_names || editor.hovered_cursors.contains_key(&key);
1501
1502 remote_selections
1503 .entry(selection.replica_id)
1504 .or_insert((selection.color, Vec::new()))
1505 .1
1506 .push(SelectionLayout::new(
1507 selection.selection,
1508 selection.line_mode,
1509 selection.cursor_shape,
1510 &snapshot.display_snapshot,
1511 false,
1512 false,
1513 if is_shown { selection.user_name } else { None },
1514 ));
1515 }
1516
1517 selections.extend(remote_selections.into_values());
1518 } else if !editor.is_focused(window) && editor.show_cursor_when_unfocused {
1519 let layouts = snapshot
1520 .buffer_snapshot()
1521 .selections_in_range(&(start_anchor..end_anchor), true)
1522 .map(move |(_, line_mode, cursor_shape, selection)| {
1523 SelectionLayout::new(
1524 selection,
1525 line_mode,
1526 cursor_shape,
1527 &snapshot.display_snapshot,
1528 false,
1529 false,
1530 None,
1531 )
1532 })
1533 .collect::<Vec<_>>();
1534 let player = editor.current_user_player_color(cx);
1535 selections.push((player, layouts));
1536 }
1537 });
1538
1539 #[cfg(debug_assertions)]
1540 Self::layout_debug_ranges(
1541 &mut selections,
1542 start_anchor..end_anchor,
1543 &snapshot.display_snapshot,
1544 cx,
1545 );
1546
1547 (selections, active_rows, newest_selection_head)
1548 }
1549
1550 fn collect_cursors(
1551 &self,
1552 snapshot: &EditorSnapshot,
1553 cx: &mut App,
1554 ) -> Vec<(DisplayPoint, Hsla)> {
1555 let editor = self.editor.read(cx);
1556 let mut cursors = Vec::new();
1557 let mut skip_local = false;
1558 let mut add_cursor = |anchor: Anchor, color| {
1559 cursors.push((anchor.to_display_point(&snapshot.display_snapshot), color));
1560 };
1561 // Remote cursors
1562 if let Some(collaboration_hub) = &editor.collaboration_hub {
1563 for remote_selection in snapshot.remote_selections_in_range(
1564 &(Anchor::min()..Anchor::max()),
1565 collaboration_hub.deref(),
1566 cx,
1567 ) {
1568 add_cursor(
1569 remote_selection.selection.head(),
1570 remote_selection.color.cursor,
1571 );
1572 if Some(remote_selection.collaborator_id) == editor.leader_id {
1573 skip_local = true;
1574 }
1575 }
1576 }
1577 // Local cursors
1578 if !skip_local {
1579 let color = cx.theme().players().local().cursor;
1580 editor
1581 .selections
1582 .disjoint_anchors()
1583 .iter()
1584 .for_each(|selection| {
1585 add_cursor(selection.head(), color);
1586 });
1587 if let Some(ref selection) = editor.selections.pending_anchor() {
1588 add_cursor(selection.head(), color);
1589 }
1590 }
1591 cursors
1592 }
1593
1594 fn layout_visible_cursors(
1595 &self,
1596 snapshot: &EditorSnapshot,
1597 selections: &[(PlayerColor, Vec<SelectionLayout>)],
1598 row_block_types: &HashMap<DisplayRow, bool>,
1599 visible_display_row_range: Range<DisplayRow>,
1600 line_layouts: &[LineWithInvisibles],
1601 text_hitbox: &Hitbox,
1602 content_origin: gpui::Point<Pixels>,
1603 scroll_position: gpui::Point<ScrollOffset>,
1604 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
1605 line_height: Pixels,
1606 em_width: Pixels,
1607 em_advance: Pixels,
1608 autoscroll_containing_element: bool,
1609 window: &mut Window,
1610 cx: &mut App,
1611 ) -> Vec<CursorLayout> {
1612 let mut autoscroll_bounds = None;
1613 let cursor_layouts = self.editor.update(cx, |editor, cx| {
1614 let mut cursors = Vec::new();
1615
1616 let show_local_cursors = editor.show_local_cursors(window, cx);
1617
1618 for (player_color, selections) in selections {
1619 for selection in selections {
1620 let cursor_position = selection.head;
1621
1622 let in_range = visible_display_row_range.contains(&cursor_position.row());
1623 if (selection.is_local && !show_local_cursors)
1624 || !in_range
1625 || row_block_types.get(&cursor_position.row()) == Some(&true)
1626 {
1627 continue;
1628 }
1629
1630 let cursor_row_layout = &line_layouts
1631 [cursor_position.row().minus(visible_display_row_range.start) as usize];
1632 let cursor_column = cursor_position.column() as usize;
1633
1634 let cursor_character_x = cursor_row_layout.x_for_index(cursor_column);
1635 let mut block_width =
1636 cursor_row_layout.x_for_index(cursor_column + 1) - cursor_character_x;
1637 if block_width == Pixels::ZERO {
1638 block_width = em_advance;
1639 }
1640 let block_text = if let CursorShape::Block = selection.cursor_shape {
1641 snapshot
1642 .grapheme_at(cursor_position)
1643 .or_else(|| {
1644 if snapshot.is_empty() {
1645 snapshot.placeholder_text().and_then(|s| {
1646 s.graphemes(true).next().map(|s| s.to_string().into())
1647 })
1648 } else {
1649 None
1650 }
1651 })
1652 .map(|text| {
1653 let len = text.len();
1654
1655 let mut font = cursor_row_layout
1656 .font_id_for_index(cursor_column)
1657 .and_then(|cursor_font_id| {
1658 window.text_system().get_font_for_id(cursor_font_id)
1659 })
1660 .unwrap_or(self.style.text.font());
1661 font.features = self.style.text.font_features.clone();
1662
1663 // Invert the text color for the block cursor. Ensure that the text
1664 // color is opaque enough to be visible against the background color.
1665 //
1666 // 0.75 is an arbitrary threshold to determine if the background color is
1667 // opaque enough to use as a text color.
1668 //
1669 // TODO: In the future we should ensure themes have a `text_inverse` color.
1670 let color = if cx.theme().colors().editor_background.a < 0.75 {
1671 match cx.theme().appearance {
1672 Appearance::Dark => Hsla::black(),
1673 Appearance::Light => Hsla::white(),
1674 }
1675 } else {
1676 cx.theme().colors().editor_background
1677 };
1678
1679 window.text_system().shape_line(
1680 text,
1681 cursor_row_layout.font_size,
1682 &[TextRun {
1683 len,
1684 font,
1685 color,
1686 background_color: None,
1687 strikethrough: None,
1688 underline: None,
1689 }],
1690 None,
1691 )
1692 })
1693 } else {
1694 None
1695 };
1696
1697 let x = cursor_character_x - scroll_pixel_position.x.into();
1698 let y = ((cursor_position.row().as_f64() - scroll_position.y)
1699 * ScrollPixelOffset::from(line_height))
1700 .into();
1701 if selection.is_newest {
1702 editor.pixel_position_of_newest_cursor = Some(point(
1703 text_hitbox.origin.x + x + block_width / 2.,
1704 text_hitbox.origin.y + y + line_height / 2.,
1705 ));
1706
1707 if autoscroll_containing_element {
1708 let top = text_hitbox.origin.y
1709 + ((cursor_position.row().as_f64() - scroll_position.y - 3.)
1710 .max(0.)
1711 * ScrollPixelOffset::from(line_height))
1712 .into();
1713 let left = text_hitbox.origin.x
1714 + ((cursor_position.column() as ScrollOffset
1715 - scroll_position.x
1716 - 3.)
1717 .max(0.)
1718 * ScrollPixelOffset::from(em_width))
1719 .into();
1720
1721 let bottom = text_hitbox.origin.y
1722 + ((cursor_position.row().as_f64() - scroll_position.y + 4.)
1723 * ScrollPixelOffset::from(line_height))
1724 .into();
1725 let right = text_hitbox.origin.x
1726 + ((cursor_position.column() as ScrollOffset - scroll_position.x
1727 + 4.)
1728 * ScrollPixelOffset::from(em_width))
1729 .into();
1730
1731 autoscroll_bounds =
1732 Some(Bounds::from_corners(point(left, top), point(right, bottom)))
1733 }
1734 }
1735
1736 let mut cursor = CursorLayout {
1737 color: player_color.cursor,
1738 block_width,
1739 origin: point(x, y),
1740 line_height,
1741 shape: selection.cursor_shape,
1742 block_text,
1743 cursor_name: None,
1744 };
1745 let cursor_name = selection.user_name.clone().map(|name| CursorName {
1746 string: name,
1747 color: self.style.background,
1748 is_top_row: cursor_position.row().0 == 0,
1749 });
1750 cursor.layout(content_origin, cursor_name, window, cx);
1751 cursors.push(cursor);
1752 }
1753 }
1754
1755 cursors
1756 });
1757
1758 if let Some(bounds) = autoscroll_bounds {
1759 window.request_autoscroll(bounds);
1760 }
1761
1762 cursor_layouts
1763 }
1764
1765 fn layout_scrollbars(
1766 &self,
1767 snapshot: &EditorSnapshot,
1768 scrollbar_layout_information: &ScrollbarLayoutInformation,
1769 content_offset: gpui::Point<Pixels>,
1770 scroll_position: gpui::Point<ScrollOffset>,
1771 non_visible_cursors: bool,
1772 right_margin: Pixels,
1773 editor_width: Pixels,
1774 window: &mut Window,
1775 cx: &mut App,
1776 ) -> Option<EditorScrollbars> {
1777 let show_scrollbars = self.editor.read(cx).show_scrollbars;
1778 if (!show_scrollbars.horizontal && !show_scrollbars.vertical)
1779 || self.style.scrollbar_width.is_zero()
1780 {
1781 return None;
1782 }
1783
1784 // If a drag took place after we started dragging the scrollbar,
1785 // cancel the scrollbar drag.
1786 if cx.has_active_drag() {
1787 self.editor.update(cx, |editor, cx| {
1788 editor.scroll_manager.reset_scrollbar_state(cx)
1789 });
1790 }
1791
1792 let editor_settings = EditorSettings::get_global(cx);
1793 let scrollbar_settings = editor_settings.scrollbar;
1794 let show_scrollbars = match scrollbar_settings.show {
1795 ShowScrollbar::Auto => {
1796 let editor = self.editor.read(cx);
1797 let is_singleton = editor.buffer_kind(cx) == ItemBufferKind::Singleton;
1798 // Git
1799 (is_singleton && scrollbar_settings.git_diff && snapshot.buffer_snapshot().has_diff_hunks())
1800 ||
1801 // Buffer Search Results
1802 (is_singleton && scrollbar_settings.search_results && editor.has_background_highlights::<BufferSearchHighlights>())
1803 ||
1804 // Selected Text Occurrences
1805 (is_singleton && scrollbar_settings.selected_text && editor.has_background_highlights::<SelectedTextHighlight>())
1806 ||
1807 // Selected Symbol Occurrences
1808 (is_singleton && scrollbar_settings.selected_symbol && (editor.has_background_highlights::<DocumentHighlightRead>() || editor.has_background_highlights::<DocumentHighlightWrite>()))
1809 ||
1810 // Diagnostics
1811 (is_singleton && scrollbar_settings.diagnostics != ScrollbarDiagnostics::None && snapshot.buffer_snapshot().has_diagnostics())
1812 ||
1813 // Cursors out of sight
1814 non_visible_cursors
1815 ||
1816 // Scrollmanager
1817 editor.scroll_manager.scrollbars_visible()
1818 }
1819 ShowScrollbar::System => self.editor.read(cx).scroll_manager.scrollbars_visible(),
1820 ShowScrollbar::Always => true,
1821 ShowScrollbar::Never => return None,
1822 };
1823
1824 // The horizontal scrollbar is usually slightly offset to align nicely with
1825 // indent guides. However, this offset is not needed if indent guides are
1826 // disabled for the current editor.
1827 let content_offset = self
1828 .editor
1829 .read(cx)
1830 .show_indent_guides
1831 .is_none_or(|should_show| should_show)
1832 .then_some(content_offset)
1833 .unwrap_or_default();
1834
1835 Some(EditorScrollbars::from_scrollbar_axes(
1836 ScrollbarAxes {
1837 horizontal: scrollbar_settings.axes.horizontal
1838 && self.editor.read(cx).show_scrollbars.horizontal,
1839 vertical: scrollbar_settings.axes.vertical
1840 && self.editor.read(cx).show_scrollbars.vertical,
1841 },
1842 scrollbar_layout_information,
1843 content_offset,
1844 scroll_position,
1845 self.style.scrollbar_width,
1846 right_margin,
1847 editor_width,
1848 show_scrollbars,
1849 self.editor.read(cx).scroll_manager.active_scrollbar_state(),
1850 window,
1851 ))
1852 }
1853
1854 fn layout_minimap(
1855 &self,
1856 snapshot: &EditorSnapshot,
1857 minimap_width: Pixels,
1858 scroll_position: gpui::Point<f64>,
1859 scrollbar_layout_information: &ScrollbarLayoutInformation,
1860 scrollbar_layout: Option<&EditorScrollbars>,
1861 window: &mut Window,
1862 cx: &mut App,
1863 ) -> Option<MinimapLayout> {
1864 let minimap_editor = self.editor.read(cx).minimap().cloned()?;
1865
1866 let minimap_settings = EditorSettings::get_global(cx).minimap;
1867
1868 if minimap_settings.on_active_editor() {
1869 let active_editor = self.editor.read(cx).workspace().and_then(|ws| {
1870 ws.read(cx)
1871 .active_pane()
1872 .read(cx)
1873 .active_item()
1874 .and_then(|i| i.act_as::<Editor>(cx))
1875 });
1876 if active_editor.is_some_and(|e| e != self.editor) {
1877 return None;
1878 }
1879 }
1880
1881 if !snapshot.mode.is_full()
1882 || minimap_width.is_zero()
1883 || matches!(
1884 minimap_settings.show,
1885 ShowMinimap::Auto if scrollbar_layout.is_none_or(|layout| !layout.visible)
1886 )
1887 {
1888 return None;
1889 }
1890
1891 const MINIMAP_AXIS: ScrollbarAxis = ScrollbarAxis::Vertical;
1892
1893 let ScrollbarLayoutInformation {
1894 editor_bounds,
1895 scroll_range,
1896 glyph_grid_cell,
1897 } = scrollbar_layout_information;
1898
1899 let line_height = glyph_grid_cell.height;
1900 let scroll_position = scroll_position.along(MINIMAP_AXIS);
1901
1902 let top_right_anchor = scrollbar_layout
1903 .and_then(|layout| layout.vertical.as_ref())
1904 .map(|vertical_scrollbar| vertical_scrollbar.hitbox.origin)
1905 .unwrap_or_else(|| editor_bounds.top_right());
1906
1907 let thumb_state = self
1908 .editor
1909 .read_with(cx, |editor, _| editor.scroll_manager.minimap_thumb_state());
1910
1911 let show_thumb = match minimap_settings.thumb {
1912 MinimapThumb::Always => true,
1913 MinimapThumb::Hover => thumb_state.is_some(),
1914 };
1915
1916 let minimap_bounds = Bounds::from_corner_and_size(
1917 Corner::TopRight,
1918 top_right_anchor,
1919 size(minimap_width, editor_bounds.size.height),
1920 );
1921 let minimap_line_height = self.get_minimap_line_height(
1922 minimap_editor
1923 .read(cx)
1924 .text_style_refinement
1925 .as_ref()
1926 .and_then(|refinement| refinement.font_size)
1927 .unwrap_or(MINIMAP_FONT_SIZE),
1928 window,
1929 cx,
1930 );
1931 let minimap_height = minimap_bounds.size.height;
1932
1933 let visible_editor_lines = (editor_bounds.size.height / line_height) as f64;
1934 let total_editor_lines = (scroll_range.height / line_height) as f64;
1935 let minimap_lines = (minimap_height / minimap_line_height) as f64;
1936
1937 let minimap_scroll_top = MinimapLayout::calculate_minimap_top_offset(
1938 total_editor_lines,
1939 visible_editor_lines,
1940 minimap_lines,
1941 scroll_position,
1942 );
1943
1944 let layout = ScrollbarLayout::for_minimap(
1945 window.insert_hitbox(minimap_bounds, HitboxBehavior::Normal),
1946 visible_editor_lines,
1947 total_editor_lines,
1948 minimap_line_height,
1949 scroll_position,
1950 minimap_scroll_top,
1951 show_thumb,
1952 )
1953 .with_thumb_state(thumb_state);
1954
1955 minimap_editor.update(cx, |editor, cx| {
1956 editor.set_scroll_position(point(0., minimap_scroll_top), window, cx)
1957 });
1958
1959 // Required for the drop shadow to be visible
1960 const PADDING_OFFSET: Pixels = px(4.);
1961
1962 let mut minimap = div()
1963 .size_full()
1964 .shadow_xs()
1965 .px(PADDING_OFFSET)
1966 .child(minimap_editor)
1967 .into_any_element();
1968
1969 let extended_bounds = minimap_bounds.extend(Edges {
1970 right: PADDING_OFFSET,
1971 left: PADDING_OFFSET,
1972 ..Default::default()
1973 });
1974 minimap.layout_as_root(extended_bounds.size.into(), window, cx);
1975 window.with_absolute_element_offset(extended_bounds.origin, |window| {
1976 minimap.prepaint(window, cx)
1977 });
1978
1979 Some(MinimapLayout {
1980 minimap,
1981 thumb_layout: layout,
1982 thumb_border_style: minimap_settings.thumb_border,
1983 minimap_line_height,
1984 minimap_scroll_top,
1985 max_scroll_top: total_editor_lines,
1986 })
1987 }
1988
1989 fn get_minimap_line_height(
1990 &self,
1991 font_size: AbsoluteLength,
1992 window: &mut Window,
1993 cx: &mut App,
1994 ) -> Pixels {
1995 let rem_size = self.rem_size(cx).unwrap_or(window.rem_size());
1996 let mut text_style = self.style.text.clone();
1997 text_style.font_size = font_size;
1998 text_style.line_height_in_pixels(rem_size)
1999 }
2000
2001 fn get_minimap_width(
2002 &self,
2003 minimap_settings: &Minimap,
2004 scrollbars_shown: bool,
2005 text_width: Pixels,
2006 em_width: Pixels,
2007 font_size: Pixels,
2008 rem_size: Pixels,
2009 cx: &App,
2010 ) -> Option<Pixels> {
2011 if minimap_settings.show == ShowMinimap::Auto && !scrollbars_shown {
2012 return None;
2013 }
2014
2015 let minimap_font_size = self.editor.read_with(cx, |editor, cx| {
2016 editor.minimap().map(|minimap_editor| {
2017 minimap_editor
2018 .read(cx)
2019 .text_style_refinement
2020 .as_ref()
2021 .and_then(|refinement| refinement.font_size)
2022 .unwrap_or(MINIMAP_FONT_SIZE)
2023 })
2024 })?;
2025
2026 let minimap_em_width = em_width * (minimap_font_size.to_pixels(rem_size) / font_size);
2027
2028 let minimap_width = (text_width * MinimapLayout::MINIMAP_WIDTH_PCT)
2029 .min(minimap_em_width * minimap_settings.max_width_columns.get() as f32);
2030
2031 (minimap_width >= minimap_em_width * MinimapLayout::MINIMAP_MIN_WIDTH_COLUMNS)
2032 .then_some(minimap_width)
2033 }
2034
2035 fn prepaint_crease_toggles(
2036 &self,
2037 crease_toggles: &mut [Option<AnyElement>],
2038 line_height: Pixels,
2039 gutter_dimensions: &GutterDimensions,
2040 gutter_settings: crate::editor_settings::Gutter,
2041 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2042 gutter_hitbox: &Hitbox,
2043 window: &mut Window,
2044 cx: &mut App,
2045 ) {
2046 for (ix, crease_toggle) in crease_toggles.iter_mut().enumerate() {
2047 if let Some(crease_toggle) = crease_toggle {
2048 debug_assert!(gutter_settings.folds);
2049 let available_space = size(
2050 AvailableSpace::MinContent,
2051 AvailableSpace::Definite(line_height * 0.55),
2052 );
2053 let crease_toggle_size = crease_toggle.layout_as_root(available_space, window, cx);
2054
2055 let position = point(
2056 gutter_dimensions.width - gutter_dimensions.right_padding,
2057 ix as f32 * line_height
2058 - (scroll_pixel_position.y % ScrollPixelOffset::from(line_height)).into(),
2059 );
2060 let centering_offset = point(
2061 (gutter_dimensions.fold_area_width() - crease_toggle_size.width) / 2.,
2062 (line_height - crease_toggle_size.height) / 2.,
2063 );
2064 let origin = gutter_hitbox.origin + position + centering_offset;
2065 crease_toggle.prepaint_as_root(origin, available_space, window, cx);
2066 }
2067 }
2068 }
2069
2070 fn prepaint_expand_toggles(
2071 &self,
2072 expand_toggles: &mut [Option<(AnyElement, gpui::Point<Pixels>)>],
2073 window: &mut Window,
2074 cx: &mut App,
2075 ) {
2076 for (expand_toggle, origin) in expand_toggles.iter_mut().flatten() {
2077 let available_space = size(AvailableSpace::MinContent, AvailableSpace::MinContent);
2078 expand_toggle.layout_as_root(available_space, window, cx);
2079 expand_toggle.prepaint_as_root(*origin, available_space, window, cx);
2080 }
2081 }
2082
2083 fn prepaint_crease_trailers(
2084 &self,
2085 trailers: Vec<Option<AnyElement>>,
2086 lines: &[LineWithInvisibles],
2087 line_height: Pixels,
2088 content_origin: gpui::Point<Pixels>,
2089 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2090 em_width: Pixels,
2091 window: &mut Window,
2092 cx: &mut App,
2093 ) -> Vec<Option<CreaseTrailerLayout>> {
2094 trailers
2095 .into_iter()
2096 .enumerate()
2097 .map(|(ix, element)| {
2098 let mut element = element?;
2099 let available_space = size(
2100 AvailableSpace::MinContent,
2101 AvailableSpace::Definite(line_height),
2102 );
2103 let size = element.layout_as_root(available_space, window, cx);
2104
2105 let line = &lines[ix];
2106 let padding = if line.width == Pixels::ZERO {
2107 Pixels::ZERO
2108 } else {
2109 4. * em_width
2110 };
2111 let position = point(
2112 Pixels::from(scroll_pixel_position.x) + line.width + padding,
2113 ix as f32 * line_height
2114 - (scroll_pixel_position.y % ScrollPixelOffset::from(line_height)).into(),
2115 );
2116 let centering_offset = point(px(0.), (line_height - size.height) / 2.);
2117 let origin = content_origin + position + centering_offset;
2118 element.prepaint_as_root(origin, available_space, window, cx);
2119 Some(CreaseTrailerLayout {
2120 element,
2121 bounds: Bounds::new(origin, size),
2122 })
2123 })
2124 .collect()
2125 }
2126
2127 // Folds contained in a hunk are ignored apart from shrinking visual size
2128 // If a fold contains any hunks then that fold line is marked as modified
2129 fn layout_gutter_diff_hunks(
2130 &self,
2131 line_height: Pixels,
2132 gutter_hitbox: &Hitbox,
2133 display_rows: Range<DisplayRow>,
2134 snapshot: &EditorSnapshot,
2135 window: &mut Window,
2136 cx: &mut App,
2137 ) -> Vec<(DisplayDiffHunk, Option<Hitbox>)> {
2138 let folded_buffers = self.editor.read(cx).folded_buffers(cx);
2139 let mut display_hunks = snapshot
2140 .display_diff_hunks_for_rows(display_rows, folded_buffers)
2141 .map(|hunk| (hunk, None))
2142 .collect::<Vec<_>>();
2143 let git_gutter_setting = ProjectSettings::get_global(cx).git.git_gutter;
2144 if let GitGutterSetting::TrackedFiles = git_gutter_setting {
2145 for (hunk, hitbox) in &mut display_hunks {
2146 if matches!(hunk, DisplayDiffHunk::Unfolded { .. }) {
2147 let hunk_bounds =
2148 Self::diff_hunk_bounds(snapshot, line_height, gutter_hitbox.bounds, hunk);
2149 *hitbox = Some(window.insert_hitbox(hunk_bounds, HitboxBehavior::BlockMouse));
2150 }
2151 }
2152 }
2153
2154 display_hunks
2155 }
2156
2157 fn layout_inline_diagnostics(
2158 &self,
2159 line_layouts: &[LineWithInvisibles],
2160 crease_trailers: &[Option<CreaseTrailerLayout>],
2161 row_block_types: &HashMap<DisplayRow, bool>,
2162 content_origin: gpui::Point<Pixels>,
2163 scroll_position: gpui::Point<ScrollOffset>,
2164 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2165 edit_prediction_popover_origin: Option<gpui::Point<Pixels>>,
2166 start_row: DisplayRow,
2167 end_row: DisplayRow,
2168 line_height: Pixels,
2169 em_width: Pixels,
2170 style: &EditorStyle,
2171 window: &mut Window,
2172 cx: &mut App,
2173 ) -> HashMap<DisplayRow, AnyElement> {
2174 let max_severity = match self
2175 .editor
2176 .read(cx)
2177 .inline_diagnostics_enabled()
2178 .then(|| {
2179 ProjectSettings::get_global(cx)
2180 .diagnostics
2181 .inline
2182 .max_severity
2183 .unwrap_or_else(|| self.editor.read(cx).diagnostics_max_severity)
2184 .into_lsp()
2185 })
2186 .flatten()
2187 {
2188 Some(max_severity) => max_severity,
2189 None => return HashMap::default(),
2190 };
2191
2192 let active_diagnostics_group =
2193 if let ActiveDiagnostic::Group(group) = &self.editor.read(cx).active_diagnostics {
2194 Some(group.group_id)
2195 } else {
2196 None
2197 };
2198
2199 let diagnostics_by_rows = self.editor.update(cx, |editor, cx| {
2200 let snapshot = editor.snapshot(window, cx);
2201 editor
2202 .inline_diagnostics
2203 .iter()
2204 .filter(|(_, diagnostic)| diagnostic.severity <= max_severity)
2205 .filter(|(_, diagnostic)| match active_diagnostics_group {
2206 Some(active_diagnostics_group) => {
2207 // Active diagnostics are all shown in the editor already, no need to display them inline
2208 diagnostic.group_id != active_diagnostics_group
2209 }
2210 None => true,
2211 })
2212 .map(|(point, diag)| (point.to_display_point(&snapshot), diag.clone()))
2213 .skip_while(|(point, _)| point.row() < start_row)
2214 .take_while(|(point, _)| point.row() < end_row)
2215 .filter(|(point, _)| !row_block_types.contains_key(&point.row()))
2216 .fold(HashMap::default(), |mut acc, (point, diagnostic)| {
2217 acc.entry(point.row())
2218 .or_insert_with(Vec::new)
2219 .push(diagnostic);
2220 acc
2221 })
2222 });
2223
2224 if diagnostics_by_rows.is_empty() {
2225 return HashMap::default();
2226 }
2227
2228 let severity_to_color = |sev: &lsp::DiagnosticSeverity| match sev {
2229 &lsp::DiagnosticSeverity::ERROR => Color::Error,
2230 &lsp::DiagnosticSeverity::WARNING => Color::Warning,
2231 &lsp::DiagnosticSeverity::INFORMATION => Color::Info,
2232 &lsp::DiagnosticSeverity::HINT => Color::Hint,
2233 _ => Color::Error,
2234 };
2235
2236 let padding = ProjectSettings::get_global(cx).diagnostics.inline.padding as f32 * em_width;
2237 let min_x = self.column_pixels(
2238 ProjectSettings::get_global(cx)
2239 .diagnostics
2240 .inline
2241 .min_column as usize,
2242 window,
2243 );
2244
2245 let mut elements = HashMap::default();
2246 for (row, mut diagnostics) in diagnostics_by_rows {
2247 diagnostics.sort_by_key(|diagnostic| {
2248 (
2249 diagnostic.severity,
2250 std::cmp::Reverse(diagnostic.is_primary),
2251 diagnostic.start.row,
2252 diagnostic.start.column,
2253 )
2254 });
2255
2256 let Some(diagnostic_to_render) = diagnostics
2257 .iter()
2258 .find(|diagnostic| diagnostic.is_primary)
2259 .or_else(|| diagnostics.first())
2260 else {
2261 continue;
2262 };
2263
2264 let pos_y = content_origin.y + line_height * (row.0 as f64 - scroll_position.y) as f32;
2265
2266 let window_ix = row.0.saturating_sub(start_row.0) as usize;
2267 let pos_x = {
2268 let crease_trailer_layout = &crease_trailers[window_ix];
2269 let line_layout = &line_layouts[window_ix];
2270
2271 let line_end = if let Some(crease_trailer) = crease_trailer_layout {
2272 crease_trailer.bounds.right()
2273 } else {
2274 Pixels::from(
2275 ScrollPixelOffset::from(content_origin.x + line_layout.width)
2276 - scroll_pixel_position.x,
2277 )
2278 };
2279
2280 let padded_line = line_end + padding;
2281 let min_start = Pixels::from(
2282 ScrollPixelOffset::from(content_origin.x + min_x) - scroll_pixel_position.x,
2283 );
2284
2285 cmp::max(padded_line, min_start)
2286 };
2287
2288 let behind_edit_prediction_popover = edit_prediction_popover_origin
2289 .as_ref()
2290 .is_some_and(|edit_prediction_popover_origin| {
2291 (pos_y..pos_y + line_height).contains(&edit_prediction_popover_origin.y)
2292 });
2293 let opacity = if behind_edit_prediction_popover {
2294 0.5
2295 } else {
2296 1.0
2297 };
2298
2299 let mut element = h_flex()
2300 .id(("diagnostic", row.0))
2301 .h(line_height)
2302 .w_full()
2303 .px_1()
2304 .rounded_xs()
2305 .opacity(opacity)
2306 .bg(severity_to_color(&diagnostic_to_render.severity)
2307 .color(cx)
2308 .opacity(0.05))
2309 .text_color(severity_to_color(&diagnostic_to_render.severity).color(cx))
2310 .text_sm()
2311 .font_family(style.text.font().family)
2312 .child(diagnostic_to_render.message.clone())
2313 .into_any();
2314
2315 element.prepaint_as_root(point(pos_x, pos_y), AvailableSpace::min_size(), window, cx);
2316
2317 elements.insert(row, element);
2318 }
2319
2320 elements
2321 }
2322
2323 fn layout_inline_code_actions(
2324 &self,
2325 display_point: DisplayPoint,
2326 content_origin: gpui::Point<Pixels>,
2327 scroll_position: gpui::Point<ScrollOffset>,
2328 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2329 line_height: Pixels,
2330 snapshot: &EditorSnapshot,
2331 window: &mut Window,
2332 cx: &mut App,
2333 ) -> Option<AnyElement> {
2334 if !snapshot
2335 .show_code_actions
2336 .unwrap_or(EditorSettings::get_global(cx).inline_code_actions)
2337 {
2338 return None;
2339 }
2340
2341 let icon_size = ui::IconSize::XSmall;
2342 let mut button = self.editor.update(cx, |editor, cx| {
2343 editor.available_code_actions.as_ref()?;
2344 let active = editor
2345 .context_menu
2346 .borrow()
2347 .as_ref()
2348 .and_then(|menu| {
2349 if let crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2350 deployed_from,
2351 ..
2352 }) = menu
2353 {
2354 deployed_from.as_ref()
2355 } else {
2356 None
2357 }
2358 })
2359 .is_some_and(|source| matches!(source, CodeActionSource::Indicator(..)));
2360 Some(editor.render_inline_code_actions(icon_size, display_point.row(), active, cx))
2361 })?;
2362
2363 let buffer_point = display_point.to_point(&snapshot.display_snapshot);
2364
2365 // do not show code action for folded line
2366 if snapshot.is_line_folded(MultiBufferRow(buffer_point.row)) {
2367 return None;
2368 }
2369
2370 // do not show code action for blank line with cursor
2371 let line_indent = snapshot
2372 .display_snapshot
2373 .buffer_snapshot()
2374 .line_indent_for_row(MultiBufferRow(buffer_point.row));
2375 if line_indent.is_line_blank() {
2376 return None;
2377 }
2378
2379 const INLINE_SLOT_CHAR_LIMIT: u32 = 4;
2380 const MAX_ALTERNATE_DISTANCE: u32 = 8;
2381
2382 let excerpt_id = snapshot
2383 .display_snapshot
2384 .buffer_snapshot()
2385 .excerpt_containing(buffer_point..buffer_point)
2386 .map(|excerpt| excerpt.id());
2387
2388 let is_valid_row = |row_candidate: u32| -> bool {
2389 // move to other row if folded row
2390 if snapshot.is_line_folded(MultiBufferRow(row_candidate)) {
2391 return false;
2392 }
2393 if buffer_point.row == row_candidate {
2394 // move to other row if cursor is in slot
2395 if buffer_point.column < INLINE_SLOT_CHAR_LIMIT {
2396 return false;
2397 }
2398 } else {
2399 let candidate_point = MultiBufferPoint {
2400 row: row_candidate,
2401 column: 0,
2402 };
2403 let candidate_excerpt_id = snapshot
2404 .display_snapshot
2405 .buffer_snapshot()
2406 .excerpt_containing(candidate_point..candidate_point)
2407 .map(|excerpt| excerpt.id());
2408 // move to other row if different excerpt
2409 if excerpt_id != candidate_excerpt_id {
2410 return false;
2411 }
2412 }
2413 let line_indent = snapshot
2414 .display_snapshot
2415 .buffer_snapshot()
2416 .line_indent_for_row(MultiBufferRow(row_candidate));
2417 // use this row if it's blank
2418 if line_indent.is_line_blank() {
2419 true
2420 } else {
2421 // use this row if code starts after slot
2422 let indent_size = snapshot
2423 .display_snapshot
2424 .buffer_snapshot()
2425 .indent_size_for_line(MultiBufferRow(row_candidate));
2426 indent_size.len >= INLINE_SLOT_CHAR_LIMIT
2427 }
2428 };
2429
2430 let new_buffer_row = if is_valid_row(buffer_point.row) {
2431 Some(buffer_point.row)
2432 } else {
2433 let max_row = snapshot.display_snapshot.buffer_snapshot().max_point().row;
2434 (1..=MAX_ALTERNATE_DISTANCE).find_map(|offset| {
2435 let row_above = buffer_point.row.saturating_sub(offset);
2436 let row_below = buffer_point.row + offset;
2437 if row_above != buffer_point.row && is_valid_row(row_above) {
2438 Some(row_above)
2439 } else if row_below <= max_row && is_valid_row(row_below) {
2440 Some(row_below)
2441 } else {
2442 None
2443 }
2444 })
2445 }?;
2446
2447 let new_display_row = snapshot
2448 .display_snapshot
2449 .point_to_display_point(
2450 Point {
2451 row: new_buffer_row,
2452 column: buffer_point.column,
2453 },
2454 text::Bias::Left,
2455 )
2456 .row();
2457
2458 let start_y = content_origin.y
2459 + (((new_display_row.as_f64() - scroll_position.y) as f32) * line_height)
2460 + (line_height / 2.0)
2461 - (icon_size.square(window, cx) / 2.);
2462 let start_x = (ScrollPixelOffset::from(content_origin.x) - scroll_pixel_position.x
2463 + ScrollPixelOffset::from(window.rem_size() * 0.1))
2464 .into();
2465
2466 let absolute_offset = gpui::point(start_x, start_y);
2467 button.layout_as_root(gpui::AvailableSpace::min_size(), window, cx);
2468 button.prepaint_as_root(
2469 absolute_offset,
2470 gpui::AvailableSpace::min_size(),
2471 window,
2472 cx,
2473 );
2474 Some(button)
2475 }
2476
2477 fn layout_inline_blame(
2478 &self,
2479 display_row: DisplayRow,
2480 row_info: &RowInfo,
2481 line_layout: &LineWithInvisibles,
2482 crease_trailer: Option<&CreaseTrailerLayout>,
2483 em_width: Pixels,
2484 content_origin: gpui::Point<Pixels>,
2485 scroll_position: gpui::Point<ScrollOffset>,
2486 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2487 line_height: Pixels,
2488 text_hitbox: &Hitbox,
2489 window: &mut Window,
2490 cx: &mut App,
2491 ) -> Option<InlineBlameLayout> {
2492 if !self
2493 .editor
2494 .update(cx, |editor, cx| editor.render_git_blame_inline(window, cx))
2495 {
2496 return None;
2497 }
2498
2499 let editor = self.editor.read(cx);
2500 let blame = editor.blame.clone()?;
2501 let padding = {
2502 const INLINE_ACCEPT_SUGGESTION_EM_WIDTHS: f32 = 14.;
2503
2504 let mut padding = ProjectSettings::get_global(cx).git.inline_blame.padding as f32;
2505
2506 if let Some(edit_prediction) = editor.active_edit_prediction.as_ref()
2507 && let EditPrediction::Edit {
2508 display_mode: EditDisplayMode::TabAccept,
2509 ..
2510 } = &edit_prediction.completion
2511 {
2512 padding += INLINE_ACCEPT_SUGGESTION_EM_WIDTHS
2513 }
2514
2515 padding * em_width
2516 };
2517
2518 let (buffer_id, entry) = blame
2519 .update(cx, |blame, cx| {
2520 blame.blame_for_rows(&[*row_info], cx).next()
2521 })
2522 .flatten()?;
2523
2524 let mut element = render_inline_blame_entry(entry.clone(), &self.style, cx)?;
2525
2526 let start_y =
2527 content_origin.y + line_height * ((display_row.as_f64() - scroll_position.y) as f32);
2528
2529 let start_x = {
2530 let line_end = if let Some(crease_trailer) = crease_trailer {
2531 crease_trailer.bounds.right()
2532 } else {
2533 Pixels::from(
2534 ScrollPixelOffset::from(content_origin.x + line_layout.width)
2535 - scroll_pixel_position.x,
2536 )
2537 };
2538
2539 let padded_line_end = line_end + padding;
2540
2541 let min_column_in_pixels = self.column_pixels(
2542 ProjectSettings::get_global(cx).git.inline_blame.min_column as usize,
2543 window,
2544 );
2545 let min_start = Pixels::from(
2546 ScrollPixelOffset::from(content_origin.x + min_column_in_pixels)
2547 - scroll_pixel_position.x,
2548 );
2549
2550 cmp::max(padded_line_end, min_start)
2551 };
2552
2553 let absolute_offset = point(start_x, start_y);
2554 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2555 let bounds = Bounds::new(absolute_offset, size);
2556
2557 self.layout_blame_entry_popover(
2558 entry.clone(),
2559 blame,
2560 line_height,
2561 text_hitbox,
2562 row_info.buffer_id?,
2563 window,
2564 cx,
2565 );
2566
2567 element.prepaint_as_root(absolute_offset, AvailableSpace::min_size(), window, cx);
2568
2569 Some(InlineBlameLayout {
2570 element,
2571 bounds,
2572 buffer_id,
2573 entry,
2574 })
2575 }
2576
2577 fn layout_blame_entry_popover(
2578 &self,
2579 blame_entry: BlameEntry,
2580 blame: Entity<GitBlame>,
2581 line_height: Pixels,
2582 text_hitbox: &Hitbox,
2583 buffer: BufferId,
2584 window: &mut Window,
2585 cx: &mut App,
2586 ) {
2587 let Some((popover_state, target_point)) = self.editor.read_with(cx, |editor, _| {
2588 editor
2589 .inline_blame_popover
2590 .as_ref()
2591 .map(|state| (state.popover_state.clone(), state.position))
2592 }) else {
2593 return;
2594 };
2595
2596 let workspace = self
2597 .editor
2598 .read_with(cx, |editor, _| editor.workspace().map(|w| w.downgrade()));
2599
2600 let maybe_element = workspace.and_then(|workspace| {
2601 render_blame_entry_popover(
2602 blame_entry,
2603 popover_state.scroll_handle,
2604 popover_state.commit_message,
2605 popover_state.markdown,
2606 workspace,
2607 &blame,
2608 buffer,
2609 window,
2610 cx,
2611 )
2612 });
2613
2614 if let Some(mut element) = maybe_element {
2615 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2616 let overall_height = size.height + HOVER_POPOVER_GAP;
2617 let popover_origin = if target_point.y > overall_height {
2618 point(target_point.x, target_point.y - size.height)
2619 } else {
2620 point(
2621 target_point.x,
2622 target_point.y + line_height + HOVER_POPOVER_GAP,
2623 )
2624 };
2625
2626 let horizontal_offset = (text_hitbox.top_right().x
2627 - POPOVER_RIGHT_OFFSET
2628 - (popover_origin.x + size.width))
2629 .min(Pixels::ZERO);
2630
2631 let origin = point(popover_origin.x + horizontal_offset, popover_origin.y);
2632 let popover_bounds = Bounds::new(origin, size);
2633
2634 self.editor.update(cx, |editor, _| {
2635 if let Some(state) = &mut editor.inline_blame_popover {
2636 state.popover_bounds = Some(popover_bounds);
2637 }
2638 });
2639
2640 window.defer_draw(element, origin, 2);
2641 }
2642 }
2643
2644 fn layout_blame_entries(
2645 &self,
2646 buffer_rows: &[RowInfo],
2647 em_width: Pixels,
2648 scroll_position: gpui::Point<ScrollOffset>,
2649 line_height: Pixels,
2650 gutter_hitbox: &Hitbox,
2651 max_width: Option<Pixels>,
2652 window: &mut Window,
2653 cx: &mut App,
2654 ) -> Option<Vec<AnyElement>> {
2655 if !self
2656 .editor
2657 .update(cx, |editor, cx| editor.render_git_blame_gutter(cx))
2658 {
2659 return None;
2660 }
2661
2662 let blame = self.editor.read(cx).blame.clone()?;
2663 let workspace = self.editor.read(cx).workspace()?;
2664 let blamed_rows: Vec<_> = blame.update(cx, |blame, cx| {
2665 blame.blame_for_rows(buffer_rows, cx).collect()
2666 });
2667
2668 let width = if let Some(max_width) = max_width {
2669 AvailableSpace::Definite(max_width)
2670 } else {
2671 AvailableSpace::MaxContent
2672 };
2673 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
2674 let start_x = em_width;
2675
2676 let mut last_used_color: Option<(Hsla, Oid)> = None;
2677 let blame_renderer = cx.global::<GlobalBlameRenderer>().0.clone();
2678
2679 let shaped_lines = blamed_rows
2680 .into_iter()
2681 .enumerate()
2682 .flat_map(|(ix, blame_entry)| {
2683 let (buffer_id, blame_entry) = blame_entry?;
2684 let mut element = render_blame_entry(
2685 ix,
2686 &blame,
2687 blame_entry,
2688 &self.style,
2689 &mut last_used_color,
2690 self.editor.clone(),
2691 workspace.clone(),
2692 buffer_id,
2693 &*blame_renderer,
2694 window,
2695 cx,
2696 )?;
2697
2698 let start_y = ix as f32 * line_height
2699 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height));
2700 let absolute_offset = gutter_hitbox.origin + point(start_x, start_y);
2701
2702 element.prepaint_as_root(
2703 absolute_offset,
2704 size(width, AvailableSpace::MinContent),
2705 window,
2706 cx,
2707 );
2708
2709 Some(element)
2710 })
2711 .collect();
2712
2713 Some(shaped_lines)
2714 }
2715
2716 fn layout_indent_guides(
2717 &self,
2718 content_origin: gpui::Point<Pixels>,
2719 text_origin: gpui::Point<Pixels>,
2720 visible_buffer_range: Range<MultiBufferRow>,
2721 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2722 line_height: Pixels,
2723 snapshot: &DisplaySnapshot,
2724 window: &mut Window,
2725 cx: &mut App,
2726 ) -> Option<Vec<IndentGuideLayout>> {
2727 let indent_guides = self.editor.update(cx, |editor, cx| {
2728 editor.indent_guides(visible_buffer_range, snapshot, cx)
2729 })?;
2730
2731 let active_indent_guide_indices = self.editor.update(cx, |editor, cx| {
2732 editor
2733 .find_active_indent_guide_indices(&indent_guides, snapshot, window, cx)
2734 .unwrap_or_default()
2735 });
2736
2737 Some(
2738 indent_guides
2739 .into_iter()
2740 .enumerate()
2741 .filter_map(|(i, indent_guide)| {
2742 let single_indent_width =
2743 self.column_pixels(indent_guide.tab_size as usize, window);
2744 let total_width = single_indent_width * indent_guide.depth as f32;
2745 let start_x = Pixels::from(
2746 ScrollOffset::from(content_origin.x + total_width)
2747 - scroll_pixel_position.x,
2748 );
2749 if start_x >= text_origin.x {
2750 let (offset_y, length) = Self::calculate_indent_guide_bounds(
2751 indent_guide.start_row..indent_guide.end_row,
2752 line_height,
2753 snapshot,
2754 );
2755
2756 let start_y = Pixels::from(
2757 ScrollOffset::from(content_origin.y) + offset_y
2758 - scroll_pixel_position.y,
2759 );
2760
2761 Some(IndentGuideLayout {
2762 origin: point(start_x, start_y),
2763 length,
2764 single_indent_width,
2765 depth: indent_guide.depth,
2766 active: active_indent_guide_indices.contains(&i),
2767 settings: indent_guide.settings,
2768 })
2769 } else {
2770 None
2771 }
2772 })
2773 .collect(),
2774 )
2775 }
2776
2777 fn layout_wrap_guides(
2778 &self,
2779 em_advance: Pixels,
2780 scroll_position: gpui::Point<f64>,
2781 content_origin: gpui::Point<Pixels>,
2782 scrollbar_layout: Option<&EditorScrollbars>,
2783 vertical_scrollbar_width: Pixels,
2784 hitbox: &Hitbox,
2785 window: &Window,
2786 cx: &App,
2787 ) -> SmallVec<[(Pixels, bool); 2]> {
2788 let scroll_left = scroll_position.x as f32 * em_advance;
2789 let content_origin = content_origin.x;
2790 let horizontal_offset = content_origin - scroll_left;
2791 let vertical_scrollbar_width = scrollbar_layout
2792 .and_then(|layout| layout.visible.then_some(vertical_scrollbar_width))
2793 .unwrap_or_default();
2794
2795 self.editor
2796 .read(cx)
2797 .wrap_guides(cx)
2798 .into_iter()
2799 .flat_map(|(guide, active)| {
2800 let wrap_position = self.column_pixels(guide, window);
2801 let wrap_guide_x = wrap_position + horizontal_offset;
2802 let display_wrap_guide = wrap_guide_x >= content_origin
2803 && wrap_guide_x <= hitbox.bounds.right() - vertical_scrollbar_width;
2804
2805 display_wrap_guide.then_some((wrap_guide_x, active))
2806 })
2807 .collect()
2808 }
2809
2810 fn calculate_indent_guide_bounds(
2811 row_range: Range<MultiBufferRow>,
2812 line_height: Pixels,
2813 snapshot: &DisplaySnapshot,
2814 ) -> (f64, gpui::Pixels) {
2815 let start_point = Point::new(row_range.start.0, 0);
2816 let end_point = Point::new(row_range.end.0, 0);
2817
2818 let row_range = start_point.to_display_point(snapshot).row()
2819 ..end_point.to_display_point(snapshot).row();
2820
2821 let mut prev_line = start_point;
2822 prev_line.row = prev_line.row.saturating_sub(1);
2823 let prev_line = prev_line.to_display_point(snapshot).row();
2824
2825 let mut cons_line = end_point;
2826 cons_line.row += 1;
2827 let cons_line = cons_line.to_display_point(snapshot).row();
2828
2829 let mut offset_y = row_range.start.as_f64() * f64::from(line_height);
2830 let mut length = (cons_line.0.saturating_sub(row_range.start.0)) as f32 * line_height;
2831
2832 // If we are at the end of the buffer, ensure that the indent guide extends to the end of the line.
2833 if row_range.end == cons_line {
2834 length += line_height;
2835 }
2836
2837 // If there is a block (e.g. diagnostic) in between the start of the indent guide and the line above,
2838 // we want to extend the indent guide to the start of the block.
2839 let mut block_height = 0;
2840 let mut block_offset = 0;
2841 let mut found_excerpt_header = false;
2842 for (_, block) in snapshot.blocks_in_range(prev_line..row_range.start) {
2843 if matches!(
2844 block,
2845 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
2846 ) {
2847 found_excerpt_header = true;
2848 break;
2849 }
2850 block_offset += block.height();
2851 block_height += block.height();
2852 }
2853 if !found_excerpt_header {
2854 offset_y -= block_offset as f64 * f64::from(line_height);
2855 length += block_height as f32 * line_height;
2856 }
2857
2858 // If there is a block (e.g. diagnostic) at the end of an multibuffer excerpt,
2859 // we want to ensure that the indent guide stops before the excerpt header.
2860 let mut block_height = 0;
2861 let mut found_excerpt_header = false;
2862 for (_, block) in snapshot.blocks_in_range(row_range.end..cons_line) {
2863 if matches!(
2864 block,
2865 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
2866 ) {
2867 found_excerpt_header = true;
2868 }
2869 block_height += block.height();
2870 }
2871 if found_excerpt_header {
2872 length -= block_height as f32 * line_height;
2873 }
2874
2875 (offset_y, length)
2876 }
2877
2878 fn layout_breakpoints(
2879 &self,
2880 line_height: Pixels,
2881 range: Range<DisplayRow>,
2882 scroll_position: gpui::Point<ScrollOffset>,
2883 gutter_dimensions: &GutterDimensions,
2884 gutter_hitbox: &Hitbox,
2885 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2886 snapshot: &EditorSnapshot,
2887 breakpoints: HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2888 row_infos: &[RowInfo],
2889 window: &mut Window,
2890 cx: &mut App,
2891 ) -> Vec<AnyElement> {
2892 self.editor.update(cx, |editor, cx| {
2893 breakpoints
2894 .into_iter()
2895 .filter_map(|(display_row, (text_anchor, bp, state))| {
2896 if row_infos
2897 .get((display_row.0.saturating_sub(range.start.0)) as usize)
2898 .is_some_and(|row_info| {
2899 row_info.expand_info.is_some()
2900 || row_info
2901 .diff_status
2902 .is_some_and(|status| status.is_deleted())
2903 })
2904 {
2905 return None;
2906 }
2907
2908 if range.start > display_row || range.end < display_row {
2909 return None;
2910 }
2911
2912 let row =
2913 MultiBufferRow(DisplayPoint::new(display_row, 0).to_point(snapshot).row);
2914 if snapshot.is_line_folded(row) {
2915 return None;
2916 }
2917
2918 let button = editor.render_breakpoint(text_anchor, display_row, &bp, state, cx);
2919
2920 let button = prepaint_gutter_button(
2921 button,
2922 display_row,
2923 line_height,
2924 gutter_dimensions,
2925 scroll_position,
2926 gutter_hitbox,
2927 display_hunks,
2928 window,
2929 cx,
2930 );
2931 Some(button)
2932 })
2933 .collect_vec()
2934 })
2935 }
2936
2937 #[allow(clippy::too_many_arguments)]
2938 fn layout_run_indicators(
2939 &self,
2940 line_height: Pixels,
2941 range: Range<DisplayRow>,
2942 row_infos: &[RowInfo],
2943 scroll_position: gpui::Point<ScrollOffset>,
2944 gutter_dimensions: &GutterDimensions,
2945 gutter_hitbox: &Hitbox,
2946 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2947 snapshot: &EditorSnapshot,
2948 breakpoints: &mut HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2949 window: &mut Window,
2950 cx: &mut App,
2951 ) -> Vec<AnyElement> {
2952 self.editor.update(cx, |editor, cx| {
2953 let active_task_indicator_row =
2954 // TODO: add edit button on the right side of each row in the context menu
2955 if let Some(crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2956 deployed_from,
2957 actions,
2958 ..
2959 })) = editor.context_menu.borrow().as_ref()
2960 {
2961 actions
2962 .tasks()
2963 .map(|tasks| tasks.position.to_display_point(snapshot).row())
2964 .or_else(|| match deployed_from {
2965 Some(CodeActionSource::Indicator(row)) => Some(*row),
2966 _ => None,
2967 })
2968 } else {
2969 None
2970 };
2971
2972 let offset_range_start =
2973 snapshot.display_point_to_point(DisplayPoint::new(range.start, 0), Bias::Left);
2974
2975 let offset_range_end =
2976 snapshot.display_point_to_point(DisplayPoint::new(range.end, 0), Bias::Right);
2977
2978 editor
2979 .tasks
2980 .iter()
2981 .filter_map(|(_, tasks)| {
2982 let multibuffer_point = tasks.offset.to_point(&snapshot.buffer_snapshot());
2983 if multibuffer_point < offset_range_start
2984 || multibuffer_point > offset_range_end
2985 {
2986 return None;
2987 }
2988 let multibuffer_row = MultiBufferRow(multibuffer_point.row);
2989 let buffer_folded = snapshot
2990 .buffer_snapshot()
2991 .buffer_line_for_row(multibuffer_row)
2992 .map(|(buffer_snapshot, _)| buffer_snapshot.remote_id())
2993 .map(|buffer_id| editor.is_buffer_folded(buffer_id, cx))
2994 .unwrap_or(false);
2995 if buffer_folded {
2996 return None;
2997 }
2998
2999 if snapshot.is_line_folded(multibuffer_row) {
3000 // Skip folded indicators, unless it's the starting line of a fold.
3001 if multibuffer_row
3002 .0
3003 .checked_sub(1)
3004 .is_some_and(|previous_row| {
3005 snapshot.is_line_folded(MultiBufferRow(previous_row))
3006 })
3007 {
3008 return None;
3009 }
3010 }
3011
3012 let display_row = multibuffer_point.to_display_point(snapshot).row();
3013 if !range.contains(&display_row) {
3014 return None;
3015 }
3016 if row_infos
3017 .get((display_row - range.start).0 as usize)
3018 .is_some_and(|row_info| row_info.expand_info.is_some())
3019 {
3020 return None;
3021 }
3022
3023 let button = editor.render_run_indicator(
3024 &self.style,
3025 Some(display_row) == active_task_indicator_row,
3026 display_row,
3027 breakpoints.remove(&display_row),
3028 cx,
3029 );
3030
3031 let button = prepaint_gutter_button(
3032 button,
3033 display_row,
3034 line_height,
3035 gutter_dimensions,
3036 scroll_position,
3037 gutter_hitbox,
3038 display_hunks,
3039 window,
3040 cx,
3041 );
3042 Some(button)
3043 })
3044 .collect_vec()
3045 })
3046 }
3047
3048 fn layout_expand_toggles(
3049 &self,
3050 gutter_hitbox: &Hitbox,
3051 gutter_dimensions: GutterDimensions,
3052 em_width: Pixels,
3053 line_height: Pixels,
3054 scroll_position: gpui::Point<ScrollOffset>,
3055 buffer_rows: &[RowInfo],
3056 window: &mut Window,
3057 cx: &mut App,
3058 ) -> Vec<Option<(AnyElement, gpui::Point<Pixels>)>> {
3059 if self.editor.read(cx).disable_expand_excerpt_buttons {
3060 return vec![];
3061 }
3062
3063 let editor_font_size = self.style.text.font_size.to_pixels(window.rem_size()) * 1.2;
3064
3065 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
3066
3067 let max_line_number_length = self
3068 .editor
3069 .read(cx)
3070 .buffer()
3071 .read(cx)
3072 .snapshot(cx)
3073 .widest_line_number()
3074 .ilog10()
3075 + 1;
3076
3077 let git_gutter_width = Self::gutter_strip_width(line_height)
3078 + gutter_dimensions
3079 .git_blame_entries_width
3080 .unwrap_or_default();
3081 let available_width = gutter_dimensions.left_padding - git_gutter_width;
3082
3083 buffer_rows
3084 .iter()
3085 .enumerate()
3086 .map(|(ix, row_info)| {
3087 let ExpandInfo {
3088 excerpt_id,
3089 direction,
3090 } = row_info.expand_info?;
3091
3092 let icon_name = match direction {
3093 ExpandExcerptDirection::Up => IconName::ExpandUp,
3094 ExpandExcerptDirection::Down => IconName::ExpandDown,
3095 ExpandExcerptDirection::UpAndDown => IconName::ExpandVertical,
3096 };
3097
3098 let editor = self.editor.clone();
3099 let is_wide = max_line_number_length
3100 >= EditorSettings::get_global(cx).gutter.min_line_number_digits as u32
3101 && row_info
3102 .buffer_row
3103 .is_some_and(|row| (row + 1).ilog10() + 1 == max_line_number_length)
3104 || gutter_dimensions.right_padding == px(0.);
3105
3106 let width = if is_wide {
3107 available_width - px(2.)
3108 } else {
3109 available_width + em_width - px(2.)
3110 };
3111
3112 let toggle = IconButton::new(("expand", ix), icon_name)
3113 .icon_color(Color::Custom(cx.theme().colors().editor_line_number))
3114 .selected_icon_color(Color::Custom(cx.theme().colors().editor_foreground))
3115 .icon_size(IconSize::Custom(rems(editor_font_size / window.rem_size())))
3116 .width(width)
3117 .on_click(move |_, window, cx| {
3118 editor.update(cx, |editor, cx| {
3119 editor.expand_excerpt(excerpt_id, direction, window, cx);
3120 });
3121 })
3122 .tooltip(Tooltip::for_action_title(
3123 "Expand Excerpt",
3124 &crate::actions::ExpandExcerpts::default(),
3125 ))
3126 .into_any_element();
3127
3128 let position = point(
3129 git_gutter_width + px(1.),
3130 ix as f32 * line_height
3131 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height))
3132 + px(1.),
3133 );
3134 let origin = gutter_hitbox.origin + position;
3135
3136 Some((toggle, origin))
3137 })
3138 .collect()
3139 }
3140
3141 fn calculate_relative_line_numbers(
3142 &self,
3143 snapshot: &EditorSnapshot,
3144 rows: &Range<DisplayRow>,
3145 relative_to: Option<DisplayRow>,
3146 ) -> HashMap<DisplayRow, DisplayRowDelta> {
3147 let mut relative_rows: HashMap<DisplayRow, DisplayRowDelta> = Default::default();
3148 let Some(relative_to) = relative_to else {
3149 return relative_rows;
3150 };
3151
3152 let start = rows.start.min(relative_to);
3153 let end = rows.end.max(relative_to);
3154
3155 let buffer_rows = snapshot
3156 .row_infos(start)
3157 .take(1 + end.minus(start) as usize)
3158 .collect::<Vec<_>>();
3159
3160 let head_idx = relative_to.minus(start);
3161 let mut delta = 1;
3162 let mut i = head_idx + 1;
3163 while i < buffer_rows.len() as u32 {
3164 if buffer_rows[i as usize].buffer_row.is_some() {
3165 if rows.contains(&DisplayRow(i + start.0)) {
3166 relative_rows.insert(DisplayRow(i + start.0), delta);
3167 }
3168 delta += 1;
3169 }
3170 i += 1;
3171 }
3172 delta = 1;
3173 i = head_idx.min(buffer_rows.len() as u32 - 1);
3174 while i > 0 && buffer_rows[i as usize].buffer_row.is_none() {
3175 i -= 1;
3176 }
3177
3178 while i > 0 {
3179 i -= 1;
3180 if buffer_rows[i as usize].buffer_row.is_some() {
3181 if rows.contains(&DisplayRow(i + start.0)) {
3182 relative_rows.insert(DisplayRow(i + start.0), delta);
3183 }
3184 delta += 1;
3185 }
3186 }
3187
3188 relative_rows
3189 }
3190
3191 fn layout_line_numbers(
3192 &self,
3193 gutter_hitbox: Option<&Hitbox>,
3194 gutter_dimensions: GutterDimensions,
3195 line_height: Pixels,
3196 scroll_position: gpui::Point<ScrollOffset>,
3197 rows: Range<DisplayRow>,
3198 buffer_rows: &[RowInfo],
3199 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3200 newest_selection_head: Option<DisplayPoint>,
3201 snapshot: &EditorSnapshot,
3202 window: &mut Window,
3203 cx: &mut App,
3204 ) -> Arc<HashMap<MultiBufferRow, LineNumberLayout>> {
3205 let include_line_numbers = snapshot
3206 .show_line_numbers
3207 .unwrap_or_else(|| EditorSettings::get_global(cx).gutter.line_numbers);
3208 if !include_line_numbers {
3209 return Arc::default();
3210 }
3211
3212 let (newest_selection_head, is_relative) = self.editor.update(cx, |editor, cx| {
3213 let newest_selection_head = newest_selection_head.unwrap_or_else(|| {
3214 let newest = editor
3215 .selections
3216 .newest::<Point>(&editor.display_snapshot(cx));
3217 SelectionLayout::new(
3218 newest,
3219 editor.selections.line_mode(),
3220 editor.cursor_shape,
3221 &snapshot.display_snapshot,
3222 true,
3223 true,
3224 None,
3225 )
3226 .head
3227 });
3228 let is_relative = editor.should_use_relative_line_numbers(cx);
3229 (newest_selection_head, is_relative)
3230 });
3231
3232 let relative_to = if is_relative {
3233 Some(newest_selection_head.row())
3234 } else {
3235 None
3236 };
3237 let relative_rows = self.calculate_relative_line_numbers(snapshot, &rows, relative_to);
3238 let mut line_number = String::new();
3239 let line_numbers = buffer_rows
3240 .iter()
3241 .enumerate()
3242 .flat_map(|(ix, row_info)| {
3243 let display_row = DisplayRow(rows.start.0 + ix as u32);
3244 line_number.clear();
3245 let non_relative_number = row_info.buffer_row? + 1;
3246 let number = relative_rows
3247 .get(&display_row)
3248 .unwrap_or(&non_relative_number);
3249 write!(&mut line_number, "{number}").unwrap();
3250 if row_info
3251 .diff_status
3252 .is_some_and(|status| status.is_deleted())
3253 {
3254 return None;
3255 }
3256
3257 let color = active_rows
3258 .get(&display_row)
3259 .map(|spec| {
3260 if spec.breakpoint {
3261 cx.theme().colors().debugger_accent
3262 } else {
3263 cx.theme().colors().editor_active_line_number
3264 }
3265 })
3266 .unwrap_or_else(|| cx.theme().colors().editor_line_number);
3267 let shaped_line =
3268 self.shape_line_number(SharedString::from(&line_number), color, window);
3269 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
3270 let line_origin = gutter_hitbox.map(|hitbox| {
3271 hitbox.origin
3272 + point(
3273 hitbox.size.width - shaped_line.width - gutter_dimensions.right_padding,
3274 ix as f32 * line_height
3275 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height)),
3276 )
3277 });
3278
3279 #[cfg(not(test))]
3280 let hitbox = line_origin.map(|line_origin| {
3281 window.insert_hitbox(
3282 Bounds::new(line_origin, size(shaped_line.width, line_height)),
3283 HitboxBehavior::Normal,
3284 )
3285 });
3286 #[cfg(test)]
3287 let hitbox = {
3288 let _ = line_origin;
3289 None
3290 };
3291
3292 let multi_buffer_row = DisplayPoint::new(display_row, 0).to_point(snapshot).row;
3293 let multi_buffer_row = MultiBufferRow(multi_buffer_row);
3294 let line_number = LineNumberLayout {
3295 shaped_line,
3296 hitbox,
3297 };
3298 Some((multi_buffer_row, line_number))
3299 })
3300 .collect();
3301 Arc::new(line_numbers)
3302 }
3303
3304 fn layout_crease_toggles(
3305 &self,
3306 rows: Range<DisplayRow>,
3307 row_infos: &[RowInfo],
3308 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3309 snapshot: &EditorSnapshot,
3310 window: &mut Window,
3311 cx: &mut App,
3312 ) -> Vec<Option<AnyElement>> {
3313 let include_fold_statuses = EditorSettings::get_global(cx).gutter.folds
3314 && snapshot.mode.is_full()
3315 && self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
3316 if include_fold_statuses {
3317 row_infos
3318 .iter()
3319 .enumerate()
3320 .map(|(ix, info)| {
3321 if info.expand_info.is_some() {
3322 return None;
3323 }
3324 let row = info.multibuffer_row?;
3325 let display_row = DisplayRow(rows.start.0 + ix as u32);
3326 let active = active_rows.contains_key(&display_row);
3327
3328 snapshot.render_crease_toggle(row, active, self.editor.clone(), window, cx)
3329 })
3330 .collect()
3331 } else {
3332 Vec::new()
3333 }
3334 }
3335
3336 fn layout_crease_trailers(
3337 &self,
3338 buffer_rows: impl IntoIterator<Item = RowInfo>,
3339 snapshot: &EditorSnapshot,
3340 window: &mut Window,
3341 cx: &mut App,
3342 ) -> Vec<Option<AnyElement>> {
3343 buffer_rows
3344 .into_iter()
3345 .map(|row_info| {
3346 if row_info.expand_info.is_some() {
3347 return None;
3348 }
3349 if let Some(row) = row_info.multibuffer_row {
3350 snapshot.render_crease_trailer(row, window, cx)
3351 } else {
3352 None
3353 }
3354 })
3355 .collect()
3356 }
3357
3358 fn bg_segments_per_row(
3359 rows: Range<DisplayRow>,
3360 selections: &[(PlayerColor, Vec<SelectionLayout>)],
3361 highlight_ranges: &[(Range<DisplayPoint>, Hsla)],
3362 base_background: Hsla,
3363 ) -> Vec<Vec<(Range<DisplayPoint>, Hsla)>> {
3364 if rows.start >= rows.end {
3365 return Vec::new();
3366 }
3367 if !base_background.is_opaque() {
3368 // We don't actually know what color is behind this editor.
3369 return Vec::new();
3370 }
3371 let highlight_iter = highlight_ranges.iter().cloned();
3372 let selection_iter = selections.iter().flat_map(|(player_color, layouts)| {
3373 let color = player_color.selection;
3374 layouts.iter().filter_map(move |selection_layout| {
3375 if selection_layout.range.start != selection_layout.range.end {
3376 Some((selection_layout.range.clone(), color))
3377 } else {
3378 None
3379 }
3380 })
3381 });
3382 let mut per_row_map = vec![Vec::new(); rows.len()];
3383 for (range, color) in highlight_iter.chain(selection_iter) {
3384 let covered_rows = if range.end.column() == 0 {
3385 cmp::max(range.start.row(), rows.start)..cmp::min(range.end.row(), rows.end)
3386 } else {
3387 cmp::max(range.start.row(), rows.start)
3388 ..cmp::min(range.end.row().next_row(), rows.end)
3389 };
3390 for row in covered_rows.iter_rows() {
3391 let seg_start = if row == range.start.row() {
3392 range.start
3393 } else {
3394 DisplayPoint::new(row, 0)
3395 };
3396 let seg_end = if row == range.end.row() && range.end.column() != 0 {
3397 range.end
3398 } else {
3399 DisplayPoint::new(row, u32::MAX)
3400 };
3401 let ix = row.minus(rows.start) as usize;
3402 debug_assert!(row >= rows.start && row < rows.end);
3403 debug_assert!(ix < per_row_map.len());
3404 per_row_map[ix].push((seg_start..seg_end, color));
3405 }
3406 }
3407 for row_segments in per_row_map.iter_mut() {
3408 if row_segments.is_empty() {
3409 continue;
3410 }
3411 let segments = mem::take(row_segments);
3412 let merged = Self::merge_overlapping_ranges(segments, base_background);
3413 *row_segments = merged;
3414 }
3415 per_row_map
3416 }
3417
3418 /// Merge overlapping ranges by splitting at all range boundaries and blending colors where
3419 /// multiple ranges overlap. The result contains non-overlapping ranges ordered from left to right.
3420 ///
3421 /// Expects `start.row() == end.row()` for each range.
3422 fn merge_overlapping_ranges(
3423 ranges: Vec<(Range<DisplayPoint>, Hsla)>,
3424 base_background: Hsla,
3425 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
3426 struct Boundary {
3427 pos: DisplayPoint,
3428 is_start: bool,
3429 index: usize,
3430 color: Hsla,
3431 }
3432
3433 let mut boundaries: SmallVec<[Boundary; 16]> = SmallVec::with_capacity(ranges.len() * 2);
3434 for (index, (range, color)) in ranges.iter().enumerate() {
3435 debug_assert!(
3436 range.start.row() == range.end.row(),
3437 "expects single-row ranges"
3438 );
3439 if range.start < range.end {
3440 boundaries.push(Boundary {
3441 pos: range.start,
3442 is_start: true,
3443 index,
3444 color: *color,
3445 });
3446 boundaries.push(Boundary {
3447 pos: range.end,
3448 is_start: false,
3449 index,
3450 color: *color,
3451 });
3452 }
3453 }
3454
3455 if boundaries.is_empty() {
3456 return Vec::new();
3457 }
3458
3459 boundaries
3460 .sort_unstable_by(|a, b| a.pos.cmp(&b.pos).then_with(|| a.is_start.cmp(&b.is_start)));
3461
3462 let mut processed_ranges: Vec<(Range<DisplayPoint>, Hsla)> = Vec::new();
3463 let mut active_ranges: SmallVec<[(usize, Hsla); 8]> = SmallVec::new();
3464
3465 let mut i = 0;
3466 let mut start_pos = boundaries[0].pos;
3467
3468 let boundaries_len = boundaries.len();
3469 while i < boundaries_len {
3470 let current_boundary_pos = boundaries[i].pos;
3471 if start_pos < current_boundary_pos {
3472 if !active_ranges.is_empty() {
3473 let mut color = base_background;
3474 for &(_, c) in &active_ranges {
3475 color = Hsla::blend(color, c);
3476 }
3477 if let Some((last_range, last_color)) = processed_ranges.last_mut() {
3478 if *last_color == color && last_range.end == start_pos {
3479 last_range.end = current_boundary_pos;
3480 } else {
3481 processed_ranges.push((start_pos..current_boundary_pos, color));
3482 }
3483 } else {
3484 processed_ranges.push((start_pos..current_boundary_pos, color));
3485 }
3486 }
3487 }
3488 while i < boundaries_len && boundaries[i].pos == current_boundary_pos {
3489 let active_range = &boundaries[i];
3490 if active_range.is_start {
3491 let idx = active_range.index;
3492 let pos = active_ranges
3493 .binary_search_by_key(&idx, |(i, _)| *i)
3494 .unwrap_or_else(|p| p);
3495 active_ranges.insert(pos, (idx, active_range.color));
3496 } else {
3497 let idx = active_range.index;
3498 if let Ok(pos) = active_ranges.binary_search_by_key(&idx, |(i, _)| *i) {
3499 active_ranges.remove(pos);
3500 }
3501 }
3502 i += 1;
3503 }
3504 start_pos = current_boundary_pos;
3505 }
3506
3507 processed_ranges
3508 }
3509
3510 fn layout_lines(
3511 rows: Range<DisplayRow>,
3512 snapshot: &EditorSnapshot,
3513 style: &EditorStyle,
3514 editor_width: Pixels,
3515 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3516 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
3517 window: &mut Window,
3518 cx: &mut App,
3519 ) -> Vec<LineWithInvisibles> {
3520 if rows.start >= rows.end {
3521 return Vec::new();
3522 }
3523
3524 // Show the placeholder when the editor is empty
3525 if snapshot.is_empty() {
3526 let font_size = style.text.font_size.to_pixels(window.rem_size());
3527 let placeholder_color = cx.theme().colors().text_placeholder;
3528 let placeholder_text = snapshot.placeholder_text();
3529
3530 let placeholder_lines = placeholder_text
3531 .as_ref()
3532 .map_or(Vec::new(), |text| text.split('\n').collect::<Vec<_>>());
3533
3534 let placeholder_line_count = placeholder_lines.len();
3535
3536 placeholder_lines
3537 .into_iter()
3538 .skip(rows.start.0 as usize)
3539 .chain(iter::repeat(""))
3540 .take(cmp::max(rows.len(), placeholder_line_count))
3541 .map(move |line| {
3542 let run = TextRun {
3543 len: line.len(),
3544 font: style.text.font(),
3545 color: placeholder_color,
3546 background_color: None,
3547 underline: None,
3548 strikethrough: None,
3549 };
3550 let line = window.text_system().shape_line(
3551 line.to_string().into(),
3552 font_size,
3553 &[run],
3554 None,
3555 );
3556 LineWithInvisibles {
3557 width: line.width,
3558 len: line.len,
3559 fragments: smallvec![LineFragment::Text(line)],
3560 invisibles: Vec::new(),
3561 font_size,
3562 }
3563 })
3564 .collect()
3565 } else {
3566 let chunks = snapshot.highlighted_chunks(rows.clone(), true, style);
3567 LineWithInvisibles::from_chunks(
3568 chunks,
3569 style,
3570 MAX_LINE_LEN,
3571 rows.len(),
3572 &snapshot.mode,
3573 editor_width,
3574 is_row_soft_wrapped,
3575 bg_segments_per_row,
3576 window,
3577 cx,
3578 )
3579 }
3580 }
3581
3582 fn prepaint_lines(
3583 &self,
3584 start_row: DisplayRow,
3585 line_layouts: &mut [LineWithInvisibles],
3586 line_height: Pixels,
3587 scroll_position: gpui::Point<ScrollOffset>,
3588 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
3589 content_origin: gpui::Point<Pixels>,
3590 window: &mut Window,
3591 cx: &mut App,
3592 ) -> SmallVec<[AnyElement; 1]> {
3593 let mut line_elements = SmallVec::new();
3594 for (ix, line) in line_layouts.iter_mut().enumerate() {
3595 let row = start_row + DisplayRow(ix as u32);
3596 line.prepaint(
3597 line_height,
3598 scroll_position,
3599 scroll_pixel_position,
3600 row,
3601 content_origin,
3602 &mut line_elements,
3603 window,
3604 cx,
3605 );
3606 }
3607 line_elements
3608 }
3609
3610 fn render_block(
3611 &self,
3612 block: &Block,
3613 available_width: AvailableSpace,
3614 block_id: BlockId,
3615 block_row_start: DisplayRow,
3616 snapshot: &EditorSnapshot,
3617 text_x: Pixels,
3618 rows: &Range<DisplayRow>,
3619 line_layouts: &[LineWithInvisibles],
3620 editor_margins: &EditorMargins,
3621 line_height: Pixels,
3622 em_width: Pixels,
3623 text_hitbox: &Hitbox,
3624 editor_width: Pixels,
3625 scroll_width: &mut Pixels,
3626 resized_blocks: &mut HashMap<CustomBlockId, u32>,
3627 row_block_types: &mut HashMap<DisplayRow, bool>,
3628 selections: &[Selection<Point>],
3629 selected_buffer_ids: &Vec<BufferId>,
3630 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3631 sticky_header_excerpt_id: Option<ExcerptId>,
3632 window: &mut Window,
3633 cx: &mut App,
3634 ) -> Option<(AnyElement, Size<Pixels>, DisplayRow, Pixels)> {
3635 let mut x_position = None;
3636 let mut element = match block {
3637 Block::Custom(custom) => {
3638 let block_start = custom.start().to_point(&snapshot.buffer_snapshot());
3639 let block_end = custom.end().to_point(&snapshot.buffer_snapshot());
3640 if block.place_near() && snapshot.is_line_folded(MultiBufferRow(block_start.row)) {
3641 return None;
3642 }
3643 let align_to = block_start.to_display_point(snapshot);
3644 let x_and_width = |layout: &LineWithInvisibles| {
3645 Some((
3646 text_x + layout.x_for_index(align_to.column() as usize),
3647 text_x + layout.width,
3648 ))
3649 };
3650 let line_ix = align_to.row().0.checked_sub(rows.start.0);
3651 x_position =
3652 if let Some(layout) = line_ix.and_then(|ix| line_layouts.get(ix as usize)) {
3653 x_and_width(layout)
3654 } else {
3655 x_and_width(&layout_line(
3656 align_to.row(),
3657 snapshot,
3658 &self.style,
3659 editor_width,
3660 is_row_soft_wrapped,
3661 window,
3662 cx,
3663 ))
3664 };
3665
3666 let anchor_x = x_position.unwrap().0;
3667
3668 let selected = selections
3669 .binary_search_by(|selection| {
3670 if selection.end <= block_start {
3671 Ordering::Less
3672 } else if selection.start >= block_end {
3673 Ordering::Greater
3674 } else {
3675 Ordering::Equal
3676 }
3677 })
3678 .is_ok();
3679
3680 div()
3681 .size_full()
3682 .child(custom.render(&mut BlockContext {
3683 window,
3684 app: cx,
3685 anchor_x,
3686 margins: editor_margins,
3687 line_height,
3688 em_width,
3689 block_id,
3690 selected,
3691 max_width: text_hitbox.size.width.max(*scroll_width),
3692 editor_style: &self.style,
3693 }))
3694 .into_any()
3695 }
3696
3697 Block::FoldedBuffer {
3698 first_excerpt,
3699 height,
3700 ..
3701 } => {
3702 let selected = selected_buffer_ids.contains(&first_excerpt.buffer_id);
3703 let result = v_flex().id(block_id).w_full().pr(editor_margins.right);
3704
3705 let jump_data = header_jump_data(snapshot, block_row_start, *height, first_excerpt);
3706 result
3707 .child(self.render_buffer_header(
3708 first_excerpt,
3709 true,
3710 selected,
3711 false,
3712 jump_data,
3713 window,
3714 cx,
3715 ))
3716 .into_any_element()
3717 }
3718
3719 Block::ExcerptBoundary { .. } => {
3720 let color = cx.theme().colors().clone();
3721 let mut result = v_flex().id(block_id).w_full();
3722
3723 result = result.child(
3724 h_flex().relative().child(
3725 div()
3726 .top(line_height / 2.)
3727 .absolute()
3728 .w_full()
3729 .h_px()
3730 .bg(color.border_variant),
3731 ),
3732 );
3733
3734 result.into_any()
3735 }
3736
3737 Block::BufferHeader { excerpt, height } => {
3738 let mut result = v_flex().id(block_id).w_full();
3739
3740 let jump_data = header_jump_data(snapshot, block_row_start, *height, excerpt);
3741
3742 if sticky_header_excerpt_id != Some(excerpt.id) {
3743 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
3744
3745 result = result.child(div().pr(editor_margins.right).child(
3746 self.render_buffer_header(
3747 excerpt, false, selected, false, jump_data, window, cx,
3748 ),
3749 ));
3750 } else {
3751 result =
3752 result.child(div().h(FILE_HEADER_HEIGHT as f32 * window.line_height()));
3753 }
3754
3755 result.into_any()
3756 }
3757 };
3758
3759 // Discover the element's content height, then round up to the nearest multiple of line height.
3760 let preliminary_size = element.layout_as_root(
3761 size(available_width, AvailableSpace::MinContent),
3762 window,
3763 cx,
3764 );
3765 let quantized_height = (preliminary_size.height / line_height).ceil() * line_height;
3766 let final_size = if preliminary_size.height == quantized_height {
3767 preliminary_size
3768 } else {
3769 element.layout_as_root(size(available_width, quantized_height.into()), window, cx)
3770 };
3771 let mut element_height_in_lines = ((final_size.height / line_height).ceil() as u32).max(1);
3772
3773 let mut row = block_row_start;
3774 let mut x_offset = px(0.);
3775 let mut is_block = true;
3776
3777 if let BlockId::Custom(custom_block_id) = block_id
3778 && block.has_height()
3779 {
3780 if block.place_near()
3781 && let Some((x_target, line_width)) = x_position
3782 {
3783 let margin = em_width * 2;
3784 if line_width + final_size.width + margin
3785 < editor_width + editor_margins.gutter.full_width()
3786 && !row_block_types.contains_key(&(row - 1))
3787 && element_height_in_lines == 1
3788 {
3789 x_offset = line_width + margin;
3790 row = row - 1;
3791 is_block = false;
3792 element_height_in_lines = 0;
3793 row_block_types.insert(row, is_block);
3794 } else {
3795 let max_offset =
3796 editor_width + editor_margins.gutter.full_width() - final_size.width;
3797 let min_offset = (x_target + em_width - final_size.width)
3798 .max(editor_margins.gutter.full_width());
3799 x_offset = x_target.min(max_offset).max(min_offset);
3800 }
3801 };
3802 if element_height_in_lines != block.height() {
3803 resized_blocks.insert(custom_block_id, element_height_in_lines);
3804 }
3805 }
3806 for i in 0..element_height_in_lines {
3807 row_block_types.insert(row + i, is_block);
3808 }
3809
3810 Some((element, final_size, row, x_offset))
3811 }
3812
3813 fn render_buffer_header(
3814 &self,
3815 for_excerpt: &ExcerptInfo,
3816 is_folded: bool,
3817 is_selected: bool,
3818 is_sticky: bool,
3819 jump_data: JumpData,
3820 window: &mut Window,
3821 cx: &mut App,
3822 ) -> impl IntoElement {
3823 let editor = self.editor.read(cx);
3824 let multi_buffer = editor.buffer.read(cx);
3825 let file_status = multi_buffer
3826 .all_diff_hunks_expanded()
3827 .then(|| {
3828 editor
3829 .project
3830 .as_ref()?
3831 .read(cx)
3832 .status_for_buffer_id(for_excerpt.buffer_id, cx)
3833 })
3834 .flatten();
3835 let indicator = multi_buffer
3836 .buffer(for_excerpt.buffer_id)
3837 .and_then(|buffer| {
3838 let buffer = buffer.read(cx);
3839 let indicator_color = match (buffer.has_conflict(), buffer.is_dirty()) {
3840 (true, _) => Some(Color::Warning),
3841 (_, true) => Some(Color::Accent),
3842 (false, false) => None,
3843 };
3844 indicator_color.map(|indicator_color| Indicator::dot().color(indicator_color))
3845 });
3846
3847 let include_root = editor
3848 .project
3849 .as_ref()
3850 .map(|project| project.read(cx).visible_worktrees(cx).count() > 1)
3851 .unwrap_or_default();
3852 let file = for_excerpt.buffer.file();
3853 let can_open_excerpts = Editor::can_open_excerpts_in_file(file);
3854 let path_style = file.map(|file| file.path_style(cx));
3855 let relative_path = for_excerpt.buffer.resolve_file_path(include_root, cx);
3856 let (parent_path, filename) = if let Some(path) = &relative_path {
3857 if let Some(path_style) = path_style {
3858 let (dir, file_name) = path_style.split(path);
3859 (dir.map(|dir| dir.to_owned()), Some(file_name.to_owned()))
3860 } else {
3861 (None, Some(path.clone()))
3862 }
3863 } else {
3864 (None, None)
3865 };
3866 let focus_handle = editor.focus_handle(cx);
3867 let colors = cx.theme().colors();
3868
3869 let header = div()
3870 .p_1()
3871 .w_full()
3872 .h(FILE_HEADER_HEIGHT as f32 * window.line_height())
3873 .child(
3874 h_flex()
3875 .size_full()
3876 .gap_2()
3877 .flex_basis(Length::Definite(DefiniteLength::Fraction(0.667)))
3878 .pl_0p5()
3879 .pr_5()
3880 .rounded_sm()
3881 .when(is_sticky, |el| el.shadow_md())
3882 .border_1()
3883 .map(|div| {
3884 let border_color = if is_selected
3885 && is_folded
3886 && focus_handle.contains_focused(window, cx)
3887 {
3888 colors.border_focused
3889 } else {
3890 colors.border
3891 };
3892 div.border_color(border_color)
3893 })
3894 .bg(colors.editor_subheader_background)
3895 .hover(|style| style.bg(colors.element_hover))
3896 .map(|header| {
3897 let editor = self.editor.clone();
3898 let buffer_id = for_excerpt.buffer_id;
3899 let toggle_chevron_icon =
3900 FileIcons::get_chevron_icon(!is_folded, cx).map(Icon::from_path);
3901 header.child(
3902 div()
3903 .hover(|style| style.bg(colors.element_selected))
3904 .rounded_xs()
3905 .child(
3906 ButtonLike::new("toggle-buffer-fold")
3907 .style(ui::ButtonStyle::Transparent)
3908 .height(px(28.).into())
3909 .width(px(28.))
3910 .children(toggle_chevron_icon)
3911 .tooltip({
3912 let focus_handle = focus_handle.clone();
3913 move |window, cx| {
3914 Tooltip::with_meta_in(
3915 "Toggle Excerpt Fold",
3916 Some(&ToggleFold),
3917 format!(
3918 "{} to toggle all",
3919 text_for_keystroke(
3920 &Modifiers::alt(),
3921 "click",
3922 cx
3923 )
3924 ),
3925 &focus_handle,
3926 window,
3927 cx,
3928 )
3929 }
3930 })
3931 .on_click(move |event, window, cx| {
3932 if event.modifiers().alt {
3933 // Alt+click toggles all buffers
3934 editor.update(cx, |editor, cx| {
3935 editor.toggle_fold_all(
3936 &ToggleFoldAll,
3937 window,
3938 cx,
3939 );
3940 });
3941 } else {
3942 // Regular click toggles single buffer
3943 if is_folded {
3944 editor.update(cx, |editor, cx| {
3945 editor.unfold_buffer(buffer_id, cx);
3946 });
3947 } else {
3948 editor.update(cx, |editor, cx| {
3949 editor.fold_buffer(buffer_id, cx);
3950 });
3951 }
3952 }
3953 }),
3954 ),
3955 )
3956 })
3957 .children(
3958 editor
3959 .addons
3960 .values()
3961 .filter_map(|addon| {
3962 addon.render_buffer_header_controls(for_excerpt, window, cx)
3963 })
3964 .take(1),
3965 )
3966 .child(h_flex().size(px(12.0)).justify_center().children(indicator))
3967 .child(
3968 h_flex()
3969 .cursor_pointer()
3970 .id("path header block")
3971 .size_full()
3972 .justify_between()
3973 .overflow_hidden()
3974 .child(
3975 h_flex()
3976 .gap_2()
3977 .map(|path_header| {
3978 let filename = filename
3979 .map(SharedString::from)
3980 .unwrap_or_else(|| "untitled".into());
3981
3982 path_header
3983 .when(ItemSettings::get_global(cx).file_icons, |el| {
3984 let path = path::Path::new(filename.as_str());
3985 let icon = FileIcons::get_icon(path, cx)
3986 .unwrap_or_default();
3987 let icon =
3988 Icon::from_path(icon).color(Color::Muted);
3989 el.child(icon)
3990 })
3991 .child(Label::new(filename).single_line().when_some(
3992 file_status,
3993 |el, status| {
3994 el.color(if status.is_conflicted() {
3995 Color::Conflict
3996 } else if status.is_modified() {
3997 Color::Modified
3998 } else if status.is_deleted() {
3999 Color::Disabled
4000 } else {
4001 Color::Created
4002 })
4003 .when(status.is_deleted(), |el| {
4004 el.strikethrough()
4005 })
4006 },
4007 ))
4008 })
4009 .when_some(parent_path, |then, path| {
4010 then.child(div().child(path).text_color(
4011 if file_status.is_some_and(FileStatus::is_deleted) {
4012 colors.text_disabled
4013 } else {
4014 colors.text_muted
4015 },
4016 ))
4017 }),
4018 )
4019 .when(
4020 can_open_excerpts && is_selected && relative_path.is_some(),
4021 |el| {
4022 el.child(
4023 h_flex()
4024 .id("jump-to-file-button")
4025 .gap_2p5()
4026 .child(Label::new("Jump To File"))
4027 .children(
4028 KeyBinding::for_action_in(
4029 &OpenExcerpts,
4030 &focus_handle,
4031 window,
4032 cx,
4033 )
4034 .map(|binding| binding.into_any_element()),
4035 ),
4036 )
4037 },
4038 )
4039 .on_mouse_down(MouseButton::Left, |_, _, cx| cx.stop_propagation())
4040 .on_click(window.listener_for(&self.editor, {
4041 move |editor, e: &ClickEvent, window, cx| {
4042 editor.open_excerpts_common(
4043 Some(jump_data.clone()),
4044 e.modifiers().secondary(),
4045 window,
4046 cx,
4047 );
4048 }
4049 })),
4050 ),
4051 );
4052
4053 let file = for_excerpt.buffer.file().cloned();
4054 let editor = self.editor.clone();
4055 right_click_menu("buffer-header-context-menu")
4056 .trigger(move |_, _, _| header)
4057 .menu(move |window, cx| {
4058 let menu_context = focus_handle.clone();
4059 let editor = editor.clone();
4060 let file = file.clone();
4061 ContextMenu::build(window, cx, move |mut menu, window, cx| {
4062 if let Some(file) = file
4063 && let Some(project) = editor.read(cx).project()
4064 && let Some(worktree) =
4065 project.read(cx).worktree_for_id(file.worktree_id(cx), cx)
4066 {
4067 let path_style = file.path_style(cx);
4068 let worktree = worktree.read(cx);
4069 let relative_path = file.path();
4070 let entry_for_path = worktree.entry_for_path(relative_path);
4071 let abs_path = entry_for_path.map(|e| {
4072 e.canonical_path.as_deref().map_or_else(
4073 || worktree.absolutize(relative_path),
4074 Path::to_path_buf,
4075 )
4076 });
4077 let has_relative_path = worktree.root_entry().is_some_and(Entry::is_dir);
4078
4079 let parent_abs_path = abs_path
4080 .as_ref()
4081 .and_then(|abs_path| Some(abs_path.parent()?.to_path_buf()));
4082 let relative_path = has_relative_path
4083 .then_some(relative_path)
4084 .map(ToOwned::to_owned);
4085
4086 let visible_in_project_panel =
4087 relative_path.is_some() && worktree.is_visible();
4088 let reveal_in_project_panel = entry_for_path
4089 .filter(|_| visible_in_project_panel)
4090 .map(|entry| entry.id);
4091 menu = menu
4092 .when_some(abs_path, |menu, abs_path| {
4093 menu.entry(
4094 "Copy Path",
4095 Some(Box::new(zed_actions::workspace::CopyPath)),
4096 window.handler_for(&editor, move |_, _, cx| {
4097 cx.write_to_clipboard(ClipboardItem::new_string(
4098 abs_path.to_string_lossy().into_owned(),
4099 ));
4100 }),
4101 )
4102 })
4103 .when_some(relative_path, |menu, relative_path| {
4104 menu.entry(
4105 "Copy Relative Path",
4106 Some(Box::new(zed_actions::workspace::CopyRelativePath)),
4107 window.handler_for(&editor, move |_, _, cx| {
4108 cx.write_to_clipboard(ClipboardItem::new_string(
4109 relative_path.display(path_style).to_string(),
4110 ));
4111 }),
4112 )
4113 })
4114 .when(
4115 reveal_in_project_panel.is_some() || parent_abs_path.is_some(),
4116 |menu| menu.separator(),
4117 )
4118 .when_some(reveal_in_project_panel, |menu, entry_id| {
4119 menu.entry(
4120 "Reveal In Project Panel",
4121 Some(Box::new(RevealInProjectPanel::default())),
4122 window.handler_for(&editor, move |editor, _, cx| {
4123 if let Some(project) = &mut editor.project {
4124 project.update(cx, |_, cx| {
4125 cx.emit(project::Event::RevealInProjectPanel(
4126 entry_id,
4127 ))
4128 });
4129 }
4130 }),
4131 )
4132 })
4133 .when_some(parent_abs_path, |menu, parent_abs_path| {
4134 menu.entry(
4135 "Open in Terminal",
4136 Some(Box::new(OpenInTerminal)),
4137 window.handler_for(&editor, move |_, window, cx| {
4138 window.dispatch_action(
4139 OpenTerminal {
4140 working_directory: parent_abs_path.clone(),
4141 }
4142 .boxed_clone(),
4143 cx,
4144 );
4145 }),
4146 )
4147 });
4148 }
4149
4150 menu.context(menu_context)
4151 })
4152 })
4153 }
4154
4155 fn render_blocks(
4156 &self,
4157 rows: Range<DisplayRow>,
4158 snapshot: &EditorSnapshot,
4159 hitbox: &Hitbox,
4160 text_hitbox: &Hitbox,
4161 editor_width: Pixels,
4162 scroll_width: &mut Pixels,
4163 editor_margins: &EditorMargins,
4164 em_width: Pixels,
4165 text_x: Pixels,
4166 line_height: Pixels,
4167 line_layouts: &mut [LineWithInvisibles],
4168 selections: &[Selection<Point>],
4169 selected_buffer_ids: &Vec<BufferId>,
4170 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
4171 sticky_header_excerpt_id: Option<ExcerptId>,
4172 window: &mut Window,
4173 cx: &mut App,
4174 ) -> Result<(Vec<BlockLayout>, HashMap<DisplayRow, bool>), HashMap<CustomBlockId, u32>> {
4175 let (fixed_blocks, non_fixed_blocks) = snapshot
4176 .blocks_in_range(rows.clone())
4177 .partition::<Vec<_>, _>(|(_, block)| block.style() == BlockStyle::Fixed);
4178
4179 let mut focused_block = self
4180 .editor
4181 .update(cx, |editor, _| editor.take_focused_block());
4182 let mut fixed_block_max_width = Pixels::ZERO;
4183 let mut blocks = Vec::new();
4184 let mut resized_blocks = HashMap::default();
4185 let mut row_block_types = HashMap::default();
4186
4187 for (row, block) in fixed_blocks {
4188 let block_id = block.id();
4189
4190 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4191 focused_block = None;
4192 }
4193
4194 if let Some((element, element_size, row, x_offset)) = self.render_block(
4195 block,
4196 AvailableSpace::MinContent,
4197 block_id,
4198 row,
4199 snapshot,
4200 text_x,
4201 &rows,
4202 line_layouts,
4203 editor_margins,
4204 line_height,
4205 em_width,
4206 text_hitbox,
4207 editor_width,
4208 scroll_width,
4209 &mut resized_blocks,
4210 &mut row_block_types,
4211 selections,
4212 selected_buffer_ids,
4213 is_row_soft_wrapped,
4214 sticky_header_excerpt_id,
4215 window,
4216 cx,
4217 ) {
4218 fixed_block_max_width = fixed_block_max_width.max(element_size.width + em_width);
4219 blocks.push(BlockLayout {
4220 id: block_id,
4221 x_offset,
4222 row: Some(row),
4223 element,
4224 available_space: size(AvailableSpace::MinContent, element_size.height.into()),
4225 style: BlockStyle::Fixed,
4226 overlaps_gutter: true,
4227 is_buffer_header: block.is_buffer_header(),
4228 });
4229 }
4230 }
4231
4232 for (row, block) in non_fixed_blocks {
4233 let style = block.style();
4234 let width = match (style, block.place_near()) {
4235 (_, true) => AvailableSpace::MinContent,
4236 (BlockStyle::Sticky, _) => hitbox.size.width.into(),
4237 (BlockStyle::Flex, _) => hitbox
4238 .size
4239 .width
4240 .max(fixed_block_max_width)
4241 .max(editor_margins.gutter.width + *scroll_width)
4242 .into(),
4243 (BlockStyle::Fixed, _) => unreachable!(),
4244 };
4245 let block_id = block.id();
4246
4247 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4248 focused_block = None;
4249 }
4250
4251 if let Some((element, element_size, row, x_offset)) = self.render_block(
4252 block,
4253 width,
4254 block_id,
4255 row,
4256 snapshot,
4257 text_x,
4258 &rows,
4259 line_layouts,
4260 editor_margins,
4261 line_height,
4262 em_width,
4263 text_hitbox,
4264 editor_width,
4265 scroll_width,
4266 &mut resized_blocks,
4267 &mut row_block_types,
4268 selections,
4269 selected_buffer_ids,
4270 is_row_soft_wrapped,
4271 sticky_header_excerpt_id,
4272 window,
4273 cx,
4274 ) {
4275 blocks.push(BlockLayout {
4276 id: block_id,
4277 x_offset,
4278 row: Some(row),
4279 element,
4280 available_space: size(width, element_size.height.into()),
4281 style,
4282 overlaps_gutter: !block.place_near(),
4283 is_buffer_header: block.is_buffer_header(),
4284 });
4285 }
4286 }
4287
4288 if let Some(focused_block) = focused_block
4289 && let Some(focus_handle) = focused_block.focus_handle.upgrade()
4290 && focus_handle.is_focused(window)
4291 && let Some(block) = snapshot.block_for_id(focused_block.id)
4292 {
4293 let style = block.style();
4294 let width = match style {
4295 BlockStyle::Fixed => AvailableSpace::MinContent,
4296 BlockStyle::Flex => AvailableSpace::Definite(
4297 hitbox
4298 .size
4299 .width
4300 .max(fixed_block_max_width)
4301 .max(editor_margins.gutter.width + *scroll_width),
4302 ),
4303 BlockStyle::Sticky => AvailableSpace::Definite(hitbox.size.width),
4304 };
4305
4306 if let Some((element, element_size, _, x_offset)) = self.render_block(
4307 &block,
4308 width,
4309 focused_block.id,
4310 rows.end,
4311 snapshot,
4312 text_x,
4313 &rows,
4314 line_layouts,
4315 editor_margins,
4316 line_height,
4317 em_width,
4318 text_hitbox,
4319 editor_width,
4320 scroll_width,
4321 &mut resized_blocks,
4322 &mut row_block_types,
4323 selections,
4324 selected_buffer_ids,
4325 is_row_soft_wrapped,
4326 sticky_header_excerpt_id,
4327 window,
4328 cx,
4329 ) {
4330 blocks.push(BlockLayout {
4331 id: block.id(),
4332 x_offset,
4333 row: None,
4334 element,
4335 available_space: size(width, element_size.height.into()),
4336 style,
4337 overlaps_gutter: true,
4338 is_buffer_header: block.is_buffer_header(),
4339 });
4340 }
4341 }
4342
4343 if resized_blocks.is_empty() {
4344 *scroll_width =
4345 (*scroll_width).max(fixed_block_max_width - editor_margins.gutter.width);
4346 Ok((blocks, row_block_types))
4347 } else {
4348 Err(resized_blocks)
4349 }
4350 }
4351
4352 fn layout_blocks(
4353 &self,
4354 blocks: &mut Vec<BlockLayout>,
4355 hitbox: &Hitbox,
4356 line_height: Pixels,
4357 scroll_position: gpui::Point<ScrollOffset>,
4358 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4359 window: &mut Window,
4360 cx: &mut App,
4361 ) {
4362 for block in blocks {
4363 let mut origin = if let Some(row) = block.row {
4364 hitbox.origin
4365 + point(
4366 block.x_offset,
4367 Pixels::from(
4368 (row.as_f64() - scroll_position.y)
4369 * ScrollPixelOffset::from(line_height),
4370 ),
4371 )
4372 } else {
4373 // Position the block outside the visible area
4374 hitbox.origin + point(Pixels::ZERO, hitbox.size.height)
4375 };
4376
4377 if !matches!(block.style, BlockStyle::Sticky) {
4378 origin += point(Pixels::from(-scroll_pixel_position.x), Pixels::ZERO);
4379 }
4380
4381 let focus_handle =
4382 block
4383 .element
4384 .prepaint_as_root(origin, block.available_space, window, cx);
4385
4386 if let Some(focus_handle) = focus_handle {
4387 self.editor.update(cx, |editor, _cx| {
4388 editor.set_focused_block(FocusedBlock {
4389 id: block.id,
4390 focus_handle: focus_handle.downgrade(),
4391 });
4392 });
4393 }
4394 }
4395 }
4396
4397 fn layout_sticky_buffer_header(
4398 &self,
4399 StickyHeaderExcerpt { excerpt }: StickyHeaderExcerpt<'_>,
4400 scroll_position: gpui::Point<ScrollOffset>,
4401 line_height: Pixels,
4402 right_margin: Pixels,
4403 snapshot: &EditorSnapshot,
4404 hitbox: &Hitbox,
4405 selected_buffer_ids: &Vec<BufferId>,
4406 blocks: &[BlockLayout],
4407 window: &mut Window,
4408 cx: &mut App,
4409 ) -> AnyElement {
4410 let jump_data = header_jump_data(
4411 snapshot,
4412 DisplayRow(scroll_position.y as u32),
4413 FILE_HEADER_HEIGHT + MULTI_BUFFER_EXCERPT_HEADER_HEIGHT,
4414 excerpt,
4415 );
4416
4417 let editor_bg_color = cx.theme().colors().editor_background;
4418
4419 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
4420
4421 let available_width = hitbox.bounds.size.width - right_margin;
4422
4423 let mut header = v_flex()
4424 .w_full()
4425 .relative()
4426 .child(
4427 div()
4428 .w(available_width)
4429 .h(FILE_HEADER_HEIGHT as f32 * line_height)
4430 .bg(linear_gradient(
4431 0.,
4432 linear_color_stop(editor_bg_color.opacity(0.), 0.),
4433 linear_color_stop(editor_bg_color, 0.6),
4434 ))
4435 .absolute()
4436 .top_0(),
4437 )
4438 .child(
4439 self.render_buffer_header(excerpt, false, selected, true, jump_data, window, cx)
4440 .into_any_element(),
4441 )
4442 .into_any_element();
4443
4444 let mut origin = hitbox.origin;
4445 // Move floating header up to avoid colliding with the next buffer header.
4446 for block in blocks.iter() {
4447 if !block.is_buffer_header {
4448 continue;
4449 }
4450
4451 let Some(display_row) = block.row.filter(|row| row.0 > scroll_position.y as u32) else {
4452 continue;
4453 };
4454
4455 let max_row = display_row.0.saturating_sub(FILE_HEADER_HEIGHT);
4456 let offset = scroll_position.y - max_row as f64;
4457
4458 if offset > 0.0 {
4459 origin.y -= Pixels::from(offset * ScrollPixelOffset::from(line_height));
4460 }
4461 break;
4462 }
4463
4464 let size = size(
4465 AvailableSpace::Definite(available_width),
4466 AvailableSpace::MinContent,
4467 );
4468
4469 header.prepaint_as_root(origin, size, window, cx);
4470
4471 header
4472 }
4473
4474 fn layout_cursor_popovers(
4475 &self,
4476 line_height: Pixels,
4477 text_hitbox: &Hitbox,
4478 content_origin: gpui::Point<Pixels>,
4479 right_margin: Pixels,
4480 start_row: DisplayRow,
4481 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4482 line_layouts: &[LineWithInvisibles],
4483 cursor: DisplayPoint,
4484 cursor_point: Point,
4485 style: &EditorStyle,
4486 window: &mut Window,
4487 cx: &mut App,
4488 ) -> Option<ContextMenuLayout> {
4489 let mut min_menu_height = Pixels::ZERO;
4490 let mut max_menu_height = Pixels::ZERO;
4491 let mut height_above_menu = Pixels::ZERO;
4492 let height_below_menu = Pixels::ZERO;
4493 let mut edit_prediction_popover_visible = false;
4494 let mut context_menu_visible = false;
4495 let context_menu_placement;
4496
4497 {
4498 let editor = self.editor.read(cx);
4499 if editor.edit_prediction_visible_in_cursor_popover(editor.has_active_edit_prediction())
4500 {
4501 height_above_menu +=
4502 editor.edit_prediction_cursor_popover_height() + POPOVER_Y_PADDING;
4503 edit_prediction_popover_visible = true;
4504 }
4505
4506 if editor.context_menu_visible()
4507 && let Some(crate::ContextMenuOrigin::Cursor) = editor.context_menu_origin()
4508 {
4509 let (min_height_in_lines, max_height_in_lines) = editor
4510 .context_menu_options
4511 .as_ref()
4512 .map_or((3, 12), |options| {
4513 (options.min_entries_visible, options.max_entries_visible)
4514 });
4515
4516 min_menu_height += line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4517 max_menu_height += line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4518 context_menu_visible = true;
4519 }
4520 context_menu_placement = editor
4521 .context_menu_options
4522 .as_ref()
4523 .and_then(|options| options.placement.clone());
4524 }
4525
4526 let visible = edit_prediction_popover_visible || context_menu_visible;
4527 if !visible {
4528 return None;
4529 }
4530
4531 let cursor_row_layout = &line_layouts[cursor.row().minus(start_row) as usize];
4532 let target_position = content_origin
4533 + gpui::Point {
4534 x: cmp::max(
4535 px(0.),
4536 Pixels::from(
4537 ScrollPixelOffset::from(
4538 cursor_row_layout.x_for_index(cursor.column() as usize),
4539 ) - scroll_pixel_position.x,
4540 ),
4541 ),
4542 y: cmp::max(
4543 px(0.),
4544 Pixels::from(
4545 cursor.row().next_row().as_f64() * ScrollPixelOffset::from(line_height)
4546 - scroll_pixel_position.y,
4547 ),
4548 ),
4549 };
4550
4551 let viewport_bounds =
4552 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4553 right: -right_margin - MENU_GAP,
4554 ..Default::default()
4555 });
4556
4557 let min_height = height_above_menu + min_menu_height + height_below_menu;
4558 let max_height = height_above_menu + max_menu_height + height_below_menu;
4559 let (laid_out_popovers, y_flipped) = self.layout_popovers_above_or_below_line(
4560 target_position,
4561 line_height,
4562 min_height,
4563 max_height,
4564 context_menu_placement,
4565 text_hitbox,
4566 viewport_bounds,
4567 window,
4568 cx,
4569 |height, max_width_for_stable_x, y_flipped, window, cx| {
4570 // First layout the menu to get its size - others can be at least this wide.
4571 let context_menu = if context_menu_visible {
4572 let menu_height = if y_flipped {
4573 height - height_below_menu
4574 } else {
4575 height - height_above_menu
4576 };
4577 let mut element = self
4578 .render_context_menu(line_height, menu_height, window, cx)
4579 .expect("Visible context menu should always render.");
4580 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4581 Some((CursorPopoverType::CodeContextMenu, element, size))
4582 } else {
4583 None
4584 };
4585 let min_width = context_menu
4586 .as_ref()
4587 .map_or(px(0.), |(_, _, size)| size.width);
4588 let max_width = max_width_for_stable_x.max(
4589 context_menu
4590 .as_ref()
4591 .map_or(px(0.), |(_, _, size)| size.width),
4592 );
4593
4594 let edit_prediction = if edit_prediction_popover_visible {
4595 self.editor.update(cx, move |editor, cx| {
4596 let accept_binding =
4597 editor.accept_edit_prediction_keybind(false, window, cx);
4598 let mut element = editor.render_edit_prediction_cursor_popover(
4599 min_width,
4600 max_width,
4601 cursor_point,
4602 style,
4603 accept_binding.keystroke(),
4604 window,
4605 cx,
4606 )?;
4607 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4608 Some((CursorPopoverType::EditPrediction, element, size))
4609 })
4610 } else {
4611 None
4612 };
4613 vec![edit_prediction, context_menu]
4614 .into_iter()
4615 .flatten()
4616 .collect::<Vec<_>>()
4617 },
4618 )?;
4619
4620 let (menu_ix, (_, menu_bounds)) = laid_out_popovers
4621 .iter()
4622 .find_position(|(x, _)| matches!(x, CursorPopoverType::CodeContextMenu))?;
4623 let last_ix = laid_out_popovers.len() - 1;
4624 let menu_is_last = menu_ix == last_ix;
4625 let first_popover_bounds = laid_out_popovers[0].1;
4626 let last_popover_bounds = laid_out_popovers[last_ix].1;
4627
4628 // Bounds to layout the aside around. When y_flipped, the aside goes either above or to the
4629 // right, and otherwise it goes below or to the right.
4630 let mut target_bounds = Bounds::from_corners(
4631 first_popover_bounds.origin,
4632 last_popover_bounds.bottom_right(),
4633 );
4634 target_bounds.size.width = menu_bounds.size.width;
4635
4636 // Like `target_bounds`, but with the max height it could occupy. Choosing an aside position
4637 // based on this is preferred for layout stability.
4638 let mut max_target_bounds = target_bounds;
4639 max_target_bounds.size.height = max_height;
4640 if y_flipped {
4641 max_target_bounds.origin.y -= max_height - target_bounds.size.height;
4642 }
4643
4644 // Add spacing around `target_bounds` and `max_target_bounds`.
4645 let mut extend_amount = Edges::all(MENU_GAP);
4646 if y_flipped {
4647 extend_amount.bottom = line_height;
4648 } else {
4649 extend_amount.top = line_height;
4650 }
4651 let target_bounds = target_bounds.extend(extend_amount);
4652 let max_target_bounds = max_target_bounds.extend(extend_amount);
4653
4654 let must_place_above_or_below =
4655 if y_flipped && !menu_is_last && menu_bounds.size.height < max_menu_height {
4656 laid_out_popovers[menu_ix + 1..]
4657 .iter()
4658 .any(|(_, popover_bounds)| popover_bounds.size.width > menu_bounds.size.width)
4659 } else {
4660 false
4661 };
4662
4663 let aside_bounds = self.layout_context_menu_aside(
4664 y_flipped,
4665 *menu_bounds,
4666 target_bounds,
4667 max_target_bounds,
4668 max_menu_height,
4669 must_place_above_or_below,
4670 text_hitbox,
4671 viewport_bounds,
4672 window,
4673 cx,
4674 );
4675
4676 if let Some(menu_bounds) = laid_out_popovers.iter().find_map(|(popover_type, bounds)| {
4677 if matches!(popover_type, CursorPopoverType::CodeContextMenu) {
4678 Some(*bounds)
4679 } else {
4680 None
4681 }
4682 }) {
4683 let bounds = if let Some(aside_bounds) = aside_bounds {
4684 menu_bounds.union(&aside_bounds)
4685 } else {
4686 menu_bounds
4687 };
4688 return Some(ContextMenuLayout { y_flipped, bounds });
4689 }
4690
4691 None
4692 }
4693
4694 fn layout_gutter_menu(
4695 &self,
4696 line_height: Pixels,
4697 text_hitbox: &Hitbox,
4698 content_origin: gpui::Point<Pixels>,
4699 right_margin: Pixels,
4700 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4701 gutter_overshoot: Pixels,
4702 window: &mut Window,
4703 cx: &mut App,
4704 ) {
4705 let editor = self.editor.read(cx);
4706 if !editor.context_menu_visible() {
4707 return;
4708 }
4709 let Some(crate::ContextMenuOrigin::GutterIndicator(gutter_row)) =
4710 editor.context_menu_origin()
4711 else {
4712 return;
4713 };
4714 // Context menu was spawned via a click on a gutter. Ensure it's a bit closer to the
4715 // indicator than just a plain first column of the text field.
4716 let target_position = content_origin
4717 + gpui::Point {
4718 x: -gutter_overshoot,
4719 y: Pixels::from(
4720 gutter_row.next_row().as_f64() * ScrollPixelOffset::from(line_height)
4721 - scroll_pixel_position.y,
4722 ),
4723 };
4724
4725 let (min_height_in_lines, max_height_in_lines) = editor
4726 .context_menu_options
4727 .as_ref()
4728 .map_or((3, 12), |options| {
4729 (options.min_entries_visible, options.max_entries_visible)
4730 });
4731
4732 let min_height = line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4733 let max_height = line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4734 let viewport_bounds =
4735 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4736 right: -right_margin - MENU_GAP,
4737 ..Default::default()
4738 });
4739 self.layout_popovers_above_or_below_line(
4740 target_position,
4741 line_height,
4742 min_height,
4743 max_height,
4744 editor
4745 .context_menu_options
4746 .as_ref()
4747 .and_then(|options| options.placement.clone()),
4748 text_hitbox,
4749 viewport_bounds,
4750 window,
4751 cx,
4752 move |height, _max_width_for_stable_x, _, window, cx| {
4753 let mut element = self
4754 .render_context_menu(line_height, height, window, cx)
4755 .expect("Visible context menu should always render.");
4756 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4757 vec![(CursorPopoverType::CodeContextMenu, element, size)]
4758 },
4759 );
4760 }
4761
4762 fn layout_popovers_above_or_below_line(
4763 &self,
4764 target_position: gpui::Point<Pixels>,
4765 line_height: Pixels,
4766 min_height: Pixels,
4767 max_height: Pixels,
4768 placement: Option<ContextMenuPlacement>,
4769 text_hitbox: &Hitbox,
4770 viewport_bounds: Bounds<Pixels>,
4771 window: &mut Window,
4772 cx: &mut App,
4773 make_sized_popovers: impl FnOnce(
4774 Pixels,
4775 Pixels,
4776 bool,
4777 &mut Window,
4778 &mut App,
4779 ) -> Vec<(CursorPopoverType, AnyElement, Size<Pixels>)>,
4780 ) -> Option<(Vec<(CursorPopoverType, Bounds<Pixels>)>, bool)> {
4781 let text_style = TextStyleRefinement {
4782 line_height: Some(DefiniteLength::Fraction(
4783 BufferLineHeight::Comfortable.value(),
4784 )),
4785 ..Default::default()
4786 };
4787 window.with_text_style(Some(text_style), |window| {
4788 // If the max height won't fit below and there is more space above, put it above the line.
4789 let bottom_y_when_flipped = target_position.y - line_height;
4790 let available_above = bottom_y_when_flipped - text_hitbox.top();
4791 let available_below = text_hitbox.bottom() - target_position.y;
4792 let y_overflows_below = max_height > available_below;
4793 let mut y_flipped = match placement {
4794 Some(ContextMenuPlacement::Above) => true,
4795 Some(ContextMenuPlacement::Below) => false,
4796 None => y_overflows_below && available_above > available_below,
4797 };
4798 let mut height = cmp::min(
4799 max_height,
4800 if y_flipped {
4801 available_above
4802 } else {
4803 available_below
4804 },
4805 );
4806
4807 // If the min height doesn't fit within text bounds, instead fit within the window.
4808 if height < min_height {
4809 let available_above = bottom_y_when_flipped;
4810 let available_below = viewport_bounds.bottom() - target_position.y;
4811 let (y_flipped_override, height_override) = match placement {
4812 Some(ContextMenuPlacement::Above) => {
4813 (true, cmp::min(available_above, min_height))
4814 }
4815 Some(ContextMenuPlacement::Below) => {
4816 (false, cmp::min(available_below, min_height))
4817 }
4818 None => {
4819 if available_below > min_height {
4820 (false, min_height)
4821 } else if available_above > min_height {
4822 (true, min_height)
4823 } else if available_above > available_below {
4824 (true, available_above)
4825 } else {
4826 (false, available_below)
4827 }
4828 }
4829 };
4830 y_flipped = y_flipped_override;
4831 height = height_override;
4832 }
4833
4834 let max_width_for_stable_x = viewport_bounds.right() - target_position.x;
4835
4836 // TODO: Use viewport_bounds.width as a max width so that it doesn't get clipped on the left
4837 // for very narrow windows.
4838 let popovers =
4839 make_sized_popovers(height, max_width_for_stable_x, y_flipped, window, cx);
4840 if popovers.is_empty() {
4841 return None;
4842 }
4843
4844 let max_width = popovers
4845 .iter()
4846 .map(|(_, _, size)| size.width)
4847 .max()
4848 .unwrap_or_default();
4849
4850 let mut current_position = gpui::Point {
4851 // Snap the right edge of the list to the right edge of the window if its horizontal bounds
4852 // overflow. Include space for the scrollbar.
4853 x: target_position
4854 .x
4855 .min((viewport_bounds.right() - max_width).max(Pixels::ZERO)),
4856 y: if y_flipped {
4857 bottom_y_when_flipped
4858 } else {
4859 target_position.y
4860 },
4861 };
4862
4863 let mut laid_out_popovers = popovers
4864 .into_iter()
4865 .map(|(popover_type, element, size)| {
4866 if y_flipped {
4867 current_position.y -= size.height;
4868 }
4869 let position = current_position;
4870 window.defer_draw(element, current_position, 1);
4871 if !y_flipped {
4872 current_position.y += size.height + MENU_GAP;
4873 } else {
4874 current_position.y -= MENU_GAP;
4875 }
4876 (popover_type, Bounds::new(position, size))
4877 })
4878 .collect::<Vec<_>>();
4879
4880 if y_flipped {
4881 laid_out_popovers.reverse();
4882 }
4883
4884 Some((laid_out_popovers, y_flipped))
4885 })
4886 }
4887
4888 fn layout_context_menu_aside(
4889 &self,
4890 y_flipped: bool,
4891 menu_bounds: Bounds<Pixels>,
4892 target_bounds: Bounds<Pixels>,
4893 max_target_bounds: Bounds<Pixels>,
4894 max_height: Pixels,
4895 must_place_above_or_below: bool,
4896 text_hitbox: &Hitbox,
4897 viewport_bounds: Bounds<Pixels>,
4898 window: &mut Window,
4899 cx: &mut App,
4900 ) -> Option<Bounds<Pixels>> {
4901 let available_within_viewport = target_bounds.space_within(&viewport_bounds);
4902 let positioned_aside = if available_within_viewport.right >= MENU_ASIDE_MIN_WIDTH
4903 && !must_place_above_or_below
4904 {
4905 let max_width = cmp::min(
4906 available_within_viewport.right - px(1.),
4907 MENU_ASIDE_MAX_WIDTH,
4908 );
4909 let mut aside = self.render_context_menu_aside(
4910 size(max_width, max_height - POPOVER_Y_PADDING),
4911 window,
4912 cx,
4913 )?;
4914 let size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4915 let right_position = point(target_bounds.right(), menu_bounds.origin.y);
4916 Some((aside, right_position, size))
4917 } else {
4918 let max_size = size(
4919 // TODO(mgsloan): Once the menu is bounded by viewport width the bound on viewport
4920 // won't be needed here.
4921 cmp::min(
4922 cmp::max(menu_bounds.size.width - px(2.), MENU_ASIDE_MIN_WIDTH),
4923 viewport_bounds.right(),
4924 ),
4925 cmp::min(
4926 max_height,
4927 cmp::max(
4928 available_within_viewport.top,
4929 available_within_viewport.bottom,
4930 ),
4931 ) - POPOVER_Y_PADDING,
4932 );
4933 let mut aside = self.render_context_menu_aside(max_size, window, cx)?;
4934 let actual_size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4935
4936 let top_position = point(
4937 menu_bounds.origin.x,
4938 target_bounds.top() - actual_size.height,
4939 );
4940 let bottom_position = point(menu_bounds.origin.x, target_bounds.bottom());
4941
4942 let fit_within = |available: Edges<Pixels>, wanted: Size<Pixels>| {
4943 // Prefer to fit on the same side of the line as the menu, then on the other side of
4944 // the line.
4945 if !y_flipped && wanted.height < available.bottom {
4946 Some(bottom_position)
4947 } else if !y_flipped && wanted.height < available.top {
4948 Some(top_position)
4949 } else if y_flipped && wanted.height < available.top {
4950 Some(top_position)
4951 } else if y_flipped && wanted.height < available.bottom {
4952 Some(bottom_position)
4953 } else {
4954 None
4955 }
4956 };
4957
4958 // Prefer choosing a direction using max sizes rather than actual size for stability.
4959 let available_within_text = max_target_bounds.space_within(&text_hitbox.bounds);
4960 let wanted = size(MENU_ASIDE_MAX_WIDTH, max_height);
4961 let aside_position = fit_within(available_within_text, wanted)
4962 // Fallback: fit max size in window.
4963 .or_else(|| fit_within(max_target_bounds.space_within(&viewport_bounds), wanted))
4964 // Fallback: fit actual size in window.
4965 .or_else(|| fit_within(available_within_viewport, actual_size));
4966
4967 aside_position.map(|position| (aside, position, actual_size))
4968 };
4969
4970 // Skip drawing if it doesn't fit anywhere.
4971 if let Some((aside, position, size)) = positioned_aside {
4972 let aside_bounds = Bounds::new(position, size);
4973 window.defer_draw(aside, position, 2);
4974 return Some(aside_bounds);
4975 }
4976
4977 None
4978 }
4979
4980 fn render_context_menu(
4981 &self,
4982 line_height: Pixels,
4983 height: Pixels,
4984 window: &mut Window,
4985 cx: &mut App,
4986 ) -> Option<AnyElement> {
4987 let max_height_in_lines = ((height - POPOVER_Y_PADDING) / line_height).floor() as u32;
4988 self.editor.update(cx, |editor, cx| {
4989 editor.render_context_menu(&self.style, max_height_in_lines, window, cx)
4990 })
4991 }
4992
4993 fn render_context_menu_aside(
4994 &self,
4995 max_size: Size<Pixels>,
4996 window: &mut Window,
4997 cx: &mut App,
4998 ) -> Option<AnyElement> {
4999 if max_size.width < px(100.) || max_size.height < px(12.) {
5000 None
5001 } else {
5002 self.editor.update(cx, |editor, cx| {
5003 editor.render_context_menu_aside(max_size, window, cx)
5004 })
5005 }
5006 }
5007
5008 fn layout_mouse_context_menu(
5009 &self,
5010 editor_snapshot: &EditorSnapshot,
5011 visible_range: Range<DisplayRow>,
5012 content_origin: gpui::Point<Pixels>,
5013 window: &mut Window,
5014 cx: &mut App,
5015 ) -> Option<AnyElement> {
5016 let position = self.editor.update(cx, |editor, _cx| {
5017 let visible_start_point = editor.display_to_pixel_point(
5018 DisplayPoint::new(visible_range.start, 0),
5019 editor_snapshot,
5020 window,
5021 )?;
5022 let visible_end_point = editor.display_to_pixel_point(
5023 DisplayPoint::new(visible_range.end, 0),
5024 editor_snapshot,
5025 window,
5026 )?;
5027
5028 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
5029 let (source_display_point, position) = match mouse_context_menu.position {
5030 MenuPosition::PinnedToScreen(point) => (None, point),
5031 MenuPosition::PinnedToEditor { source, offset } => {
5032 let source_display_point = source.to_display_point(editor_snapshot);
5033 let source_point = editor.to_pixel_point(source, editor_snapshot, window)?;
5034 let position = content_origin + source_point + offset;
5035 (Some(source_display_point), position)
5036 }
5037 };
5038
5039 let source_included = source_display_point.is_none_or(|source_display_point| {
5040 visible_range
5041 .to_inclusive()
5042 .contains(&source_display_point.row())
5043 });
5044 let position_included =
5045 visible_start_point.y <= position.y && position.y <= visible_end_point.y;
5046 if !source_included && !position_included {
5047 None
5048 } else {
5049 Some(position)
5050 }
5051 })?;
5052
5053 let text_style = TextStyleRefinement {
5054 line_height: Some(DefiniteLength::Fraction(
5055 BufferLineHeight::Comfortable.value(),
5056 )),
5057 ..Default::default()
5058 };
5059 window.with_text_style(Some(text_style), |window| {
5060 let mut element = self.editor.read_with(cx, |editor, _| {
5061 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
5062 let context_menu = mouse_context_menu.context_menu.clone();
5063
5064 Some(
5065 deferred(
5066 anchored()
5067 .position(position)
5068 .child(context_menu)
5069 .anchor(Corner::TopLeft)
5070 .snap_to_window_with_margin(px(8.)),
5071 )
5072 .with_priority(1)
5073 .into_any(),
5074 )
5075 })?;
5076
5077 element.prepaint_as_root(position, AvailableSpace::min_size(), window, cx);
5078 Some(element)
5079 })
5080 }
5081
5082 fn layout_hover_popovers(
5083 &self,
5084 snapshot: &EditorSnapshot,
5085 hitbox: &Hitbox,
5086 visible_display_row_range: Range<DisplayRow>,
5087 content_origin: gpui::Point<Pixels>,
5088 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5089 line_layouts: &[LineWithInvisibles],
5090 line_height: Pixels,
5091 em_width: Pixels,
5092 context_menu_layout: Option<ContextMenuLayout>,
5093 window: &mut Window,
5094 cx: &mut App,
5095 ) {
5096 struct MeasuredHoverPopover {
5097 element: AnyElement,
5098 size: Size<Pixels>,
5099 horizontal_offset: Pixels,
5100 }
5101
5102 let max_size = size(
5103 (120. * em_width) // Default size
5104 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5105 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5106 (16. * line_height) // Default size
5107 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5108 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5109 );
5110
5111 let hover_popovers = self.editor.update(cx, |editor, cx| {
5112 editor.hover_state.render(
5113 snapshot,
5114 visible_display_row_range.clone(),
5115 max_size,
5116 window,
5117 cx,
5118 )
5119 });
5120 let Some((position, hover_popovers)) = hover_popovers else {
5121 return;
5122 };
5123
5124 // This is safe because we check on layout whether the required row is available
5125 let hovered_row_layout =
5126 &line_layouts[position.row().minus(visible_display_row_range.start) as usize];
5127
5128 // Compute Hovered Point
5129 let x = hovered_row_layout.x_for_index(position.column() as usize)
5130 - Pixels::from(scroll_pixel_position.x);
5131 let y = Pixels::from(
5132 position.row().as_f64() * ScrollPixelOffset::from(line_height)
5133 - scroll_pixel_position.y,
5134 );
5135 let hovered_point = content_origin + point(x, y);
5136
5137 let mut overall_height = Pixels::ZERO;
5138 let mut measured_hover_popovers = Vec::new();
5139 for (position, mut hover_popover) in hover_popovers.into_iter().with_position() {
5140 let size = hover_popover.layout_as_root(AvailableSpace::min_size(), window, cx);
5141 let horizontal_offset =
5142 (hitbox.top_right().x - POPOVER_RIGHT_OFFSET - (hovered_point.x + size.width))
5143 .min(Pixels::ZERO);
5144 match position {
5145 itertools::Position::Middle | itertools::Position::Last => {
5146 overall_height += HOVER_POPOVER_GAP
5147 }
5148 _ => {}
5149 }
5150 overall_height += size.height;
5151 measured_hover_popovers.push(MeasuredHoverPopover {
5152 element: hover_popover,
5153 size,
5154 horizontal_offset,
5155 });
5156 }
5157
5158 fn draw_occluder(
5159 width: Pixels,
5160 origin: gpui::Point<Pixels>,
5161 window: &mut Window,
5162 cx: &mut App,
5163 ) {
5164 let mut occlusion = div()
5165 .size_full()
5166 .occlude()
5167 .on_mouse_move(|_, _, cx| cx.stop_propagation())
5168 .into_any_element();
5169 occlusion.layout_as_root(size(width, HOVER_POPOVER_GAP).into(), window, cx);
5170 window.defer_draw(occlusion, origin, 2);
5171 }
5172
5173 fn place_popovers_above(
5174 hovered_point: gpui::Point<Pixels>,
5175 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5176 window: &mut Window,
5177 cx: &mut App,
5178 ) {
5179 let mut current_y = hovered_point.y;
5180 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5181 let size = popover.size;
5182 let popover_origin = point(
5183 hovered_point.x + popover.horizontal_offset,
5184 current_y - size.height,
5185 );
5186
5187 window.defer_draw(popover.element, popover_origin, 2);
5188 if position != itertools::Position::Last {
5189 let origin = point(popover_origin.x, popover_origin.y - HOVER_POPOVER_GAP);
5190 draw_occluder(size.width, origin, window, cx);
5191 }
5192
5193 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5194 }
5195 }
5196
5197 fn place_popovers_below(
5198 hovered_point: gpui::Point<Pixels>,
5199 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5200 line_height: Pixels,
5201 window: &mut Window,
5202 cx: &mut App,
5203 ) {
5204 let mut current_y = hovered_point.y + line_height;
5205 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5206 let size = popover.size;
5207 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5208
5209 window.defer_draw(popover.element, popover_origin, 2);
5210 if position != itertools::Position::Last {
5211 let origin = point(popover_origin.x, popover_origin.y + size.height);
5212 draw_occluder(size.width, origin, window, cx);
5213 }
5214
5215 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5216 }
5217 }
5218
5219 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5220 context_menu_layout
5221 .as_ref()
5222 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5223 };
5224
5225 let can_place_above = {
5226 let mut bounds_above = Vec::new();
5227 let mut current_y = hovered_point.y;
5228 for popover in &measured_hover_popovers {
5229 let size = popover.size;
5230 let popover_origin = point(
5231 hovered_point.x + popover.horizontal_offset,
5232 current_y - size.height,
5233 );
5234 bounds_above.push(Bounds::new(popover_origin, size));
5235 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5236 }
5237 bounds_above
5238 .iter()
5239 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5240 };
5241
5242 let can_place_below = || {
5243 let mut bounds_below = Vec::new();
5244 let mut current_y = hovered_point.y + line_height;
5245 for popover in &measured_hover_popovers {
5246 let size = popover.size;
5247 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5248 bounds_below.push(Bounds::new(popover_origin, size));
5249 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5250 }
5251 bounds_below
5252 .iter()
5253 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5254 };
5255
5256 if can_place_above {
5257 // try placing above hovered point
5258 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5259 } else if can_place_below() {
5260 // try placing below hovered point
5261 place_popovers_below(
5262 hovered_point,
5263 measured_hover_popovers,
5264 line_height,
5265 window,
5266 cx,
5267 );
5268 } else {
5269 // try to place popovers around the context menu
5270 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5271 let total_width = measured_hover_popovers
5272 .iter()
5273 .map(|p| p.size.width)
5274 .max()
5275 .unwrap_or(Pixels::ZERO);
5276 let y_for_horizontal_positioning = if menu.y_flipped {
5277 menu.bounds.bottom() - overall_height
5278 } else {
5279 menu.bounds.top()
5280 };
5281 let possible_origins = vec![
5282 // left of context menu
5283 point(
5284 menu.bounds.left() - total_width - HOVER_POPOVER_GAP,
5285 y_for_horizontal_positioning,
5286 ),
5287 // right of context menu
5288 point(
5289 menu.bounds.right() + HOVER_POPOVER_GAP,
5290 y_for_horizontal_positioning,
5291 ),
5292 // top of context menu
5293 point(
5294 menu.bounds.left(),
5295 menu.bounds.top() - overall_height - HOVER_POPOVER_GAP,
5296 ),
5297 // bottom of context menu
5298 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5299 ];
5300 possible_origins.into_iter().find(|&origin| {
5301 Bounds::new(origin, size(total_width, overall_height))
5302 .is_contained_within(hitbox)
5303 })
5304 });
5305 if let Some(origin) = origin_surrounding_menu {
5306 let mut current_y = origin.y;
5307 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5308 let size = popover.size;
5309 let popover_origin = point(origin.x, current_y);
5310
5311 window.defer_draw(popover.element, popover_origin, 2);
5312 if position != itertools::Position::Last {
5313 let origin = point(popover_origin.x, popover_origin.y + size.height);
5314 draw_occluder(size.width, origin, window, cx);
5315 }
5316
5317 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5318 }
5319 } else {
5320 // fallback to existing above/below cursor logic
5321 // this might overlap menu or overflow in rare case
5322 if can_place_above {
5323 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5324 } else {
5325 place_popovers_below(
5326 hovered_point,
5327 measured_hover_popovers,
5328 line_height,
5329 window,
5330 cx,
5331 );
5332 }
5333 }
5334 }
5335 }
5336
5337 fn layout_diff_hunk_controls(
5338 &self,
5339 row_range: Range<DisplayRow>,
5340 row_infos: &[RowInfo],
5341 text_hitbox: &Hitbox,
5342 newest_cursor_position: Option<DisplayPoint>,
5343 line_height: Pixels,
5344 right_margin: Pixels,
5345 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5346 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
5347 highlighted_rows: &BTreeMap<DisplayRow, LineHighlight>,
5348 editor: Entity<Editor>,
5349 window: &mut Window,
5350 cx: &mut App,
5351 ) -> (Vec<AnyElement>, Vec<(DisplayRow, Bounds<Pixels>)>) {
5352 let render_diff_hunk_controls = editor.read(cx).render_diff_hunk_controls.clone();
5353 let hovered_diff_hunk_row = editor.read(cx).hovered_diff_hunk_row;
5354
5355 let mut controls = vec![];
5356 let mut control_bounds = vec![];
5357
5358 let active_positions = [
5359 hovered_diff_hunk_row.map(|row| DisplayPoint::new(row, 0)),
5360 newest_cursor_position,
5361 ];
5362
5363 for (hunk, _) in display_hunks {
5364 if let DisplayDiffHunk::Unfolded {
5365 display_row_range,
5366 multi_buffer_range,
5367 status,
5368 is_created_file,
5369 ..
5370 } = &hunk
5371 {
5372 if display_row_range.start < row_range.start
5373 || display_row_range.start >= row_range.end
5374 {
5375 continue;
5376 }
5377 if highlighted_rows
5378 .get(&display_row_range.start)
5379 .and_then(|highlight| highlight.type_id)
5380 .is_some_and(|type_id| {
5381 [
5382 TypeId::of::<ConflictsOuter>(),
5383 TypeId::of::<ConflictsOursMarker>(),
5384 TypeId::of::<ConflictsOurs>(),
5385 TypeId::of::<ConflictsTheirs>(),
5386 TypeId::of::<ConflictsTheirsMarker>(),
5387 ]
5388 .contains(&type_id)
5389 })
5390 {
5391 continue;
5392 }
5393 let row_ix = (display_row_range.start - row_range.start).0 as usize;
5394 if row_infos[row_ix].diff_status.is_none() {
5395 continue;
5396 }
5397 if row_infos[row_ix]
5398 .diff_status
5399 .is_some_and(|status| status.is_added())
5400 && !status.is_added()
5401 {
5402 continue;
5403 }
5404
5405 if active_positions
5406 .iter()
5407 .any(|p| p.is_some_and(|p| display_row_range.contains(&p.row())))
5408 {
5409 let y = (display_row_range.start.as_f64()
5410 * ScrollPixelOffset::from(line_height)
5411 + ScrollPixelOffset::from(text_hitbox.bounds.top())
5412 - scroll_pixel_position.y)
5413 .into();
5414
5415 let mut element = render_diff_hunk_controls(
5416 display_row_range.start.0,
5417 status,
5418 multi_buffer_range.clone(),
5419 *is_created_file,
5420 line_height,
5421 &editor,
5422 window,
5423 cx,
5424 );
5425 let size =
5426 element.layout_as_root(size(px(100.0), line_height).into(), window, cx);
5427
5428 let x = text_hitbox.bounds.right() - right_margin - px(10.) - size.width;
5429
5430 let bounds = Bounds::new(gpui::Point::new(x, y), size);
5431 control_bounds.push((display_row_range.start, bounds));
5432
5433 window.with_absolute_element_offset(gpui::Point::new(x, y), |window| {
5434 element.prepaint(window, cx)
5435 });
5436 controls.push(element);
5437 }
5438 }
5439 }
5440
5441 (controls, control_bounds)
5442 }
5443
5444 fn layout_signature_help(
5445 &self,
5446 hitbox: &Hitbox,
5447 content_origin: gpui::Point<Pixels>,
5448 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5449 newest_selection_head: Option<DisplayPoint>,
5450 start_row: DisplayRow,
5451 line_layouts: &[LineWithInvisibles],
5452 line_height: Pixels,
5453 em_width: Pixels,
5454 context_menu_layout: Option<ContextMenuLayout>,
5455 window: &mut Window,
5456 cx: &mut App,
5457 ) {
5458 if !self.editor.focus_handle(cx).is_focused(window) {
5459 return;
5460 }
5461 let Some(newest_selection_head) = newest_selection_head else {
5462 return;
5463 };
5464
5465 let max_size = size(
5466 (120. * em_width) // Default size
5467 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5468 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5469 (16. * line_height) // Default size
5470 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5471 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5472 );
5473
5474 let maybe_element = self.editor.update(cx, |editor, cx| {
5475 if let Some(popover) = editor.signature_help_state.popover_mut() {
5476 let element = popover.render(max_size, window, cx);
5477 Some(element)
5478 } else {
5479 None
5480 }
5481 });
5482 let Some(mut element) = maybe_element else {
5483 return;
5484 };
5485
5486 let selection_row = newest_selection_head.row();
5487 let Some(cursor_row_layout) = (selection_row >= start_row)
5488 .then(|| line_layouts.get(selection_row.minus(start_row) as usize))
5489 .flatten()
5490 else {
5491 return;
5492 };
5493
5494 let target_x = cursor_row_layout.x_for_index(newest_selection_head.column() as usize)
5495 - Pixels::from(scroll_pixel_position.x);
5496 let target_y = Pixels::from(
5497 selection_row.as_f64() * ScrollPixelOffset::from(line_height) - scroll_pixel_position.y,
5498 );
5499 let target_point = content_origin + point(target_x, target_y);
5500
5501 let actual_size = element.layout_as_root(Size::<AvailableSpace>::default(), window, cx);
5502
5503 let (popover_bounds_above, popover_bounds_below) = {
5504 let horizontal_offset = (hitbox.top_right().x
5505 - POPOVER_RIGHT_OFFSET
5506 - (target_point.x + actual_size.width))
5507 .min(Pixels::ZERO);
5508 let initial_x = target_point.x + horizontal_offset;
5509 (
5510 Bounds::new(
5511 point(initial_x, target_point.y - actual_size.height),
5512 actual_size,
5513 ),
5514 Bounds::new(
5515 point(initial_x, target_point.y + line_height + HOVER_POPOVER_GAP),
5516 actual_size,
5517 ),
5518 )
5519 };
5520
5521 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5522 context_menu_layout
5523 .as_ref()
5524 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5525 };
5526
5527 let final_origin = if popover_bounds_above.is_contained_within(hitbox)
5528 && !intersects_menu(popover_bounds_above)
5529 {
5530 // try placing above cursor
5531 popover_bounds_above.origin
5532 } else if popover_bounds_below.is_contained_within(hitbox)
5533 && !intersects_menu(popover_bounds_below)
5534 {
5535 // try placing below cursor
5536 popover_bounds_below.origin
5537 } else {
5538 // try surrounding context menu if exists
5539 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5540 let y_for_horizontal_positioning = if menu.y_flipped {
5541 menu.bounds.bottom() - actual_size.height
5542 } else {
5543 menu.bounds.top()
5544 };
5545 let possible_origins = vec![
5546 // left of context menu
5547 point(
5548 menu.bounds.left() - actual_size.width - HOVER_POPOVER_GAP,
5549 y_for_horizontal_positioning,
5550 ),
5551 // right of context menu
5552 point(
5553 menu.bounds.right() + HOVER_POPOVER_GAP,
5554 y_for_horizontal_positioning,
5555 ),
5556 // top of context menu
5557 point(
5558 menu.bounds.left(),
5559 menu.bounds.top() - actual_size.height - HOVER_POPOVER_GAP,
5560 ),
5561 // bottom of context menu
5562 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5563 ];
5564 possible_origins
5565 .into_iter()
5566 .find(|&origin| Bounds::new(origin, actual_size).is_contained_within(hitbox))
5567 });
5568 origin_surrounding_menu.unwrap_or_else(|| {
5569 // fallback to existing above/below cursor logic
5570 // this might overlap menu or overflow in rare case
5571 if popover_bounds_above.is_contained_within(hitbox) {
5572 popover_bounds_above.origin
5573 } else {
5574 popover_bounds_below.origin
5575 }
5576 })
5577 };
5578
5579 window.defer_draw(element, final_origin, 2);
5580 }
5581
5582 fn paint_background(&self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
5583 window.paint_layer(layout.hitbox.bounds, |window| {
5584 let scroll_top = layout.position_map.snapshot.scroll_position().y;
5585 let gutter_bg = cx.theme().colors().editor_gutter_background;
5586 window.paint_quad(fill(layout.gutter_hitbox.bounds, gutter_bg));
5587 window.paint_quad(fill(
5588 layout.position_map.text_hitbox.bounds,
5589 self.style.background,
5590 ));
5591
5592 if matches!(
5593 layout.mode,
5594 EditorMode::Full { .. } | EditorMode::Minimap { .. }
5595 ) {
5596 let show_active_line_background = match layout.mode {
5597 EditorMode::Full {
5598 show_active_line_background,
5599 ..
5600 } => show_active_line_background,
5601 EditorMode::Minimap { .. } => true,
5602 _ => false,
5603 };
5604 let mut active_rows = layout.active_rows.iter().peekable();
5605 while let Some((start_row, contains_non_empty_selection)) = active_rows.next() {
5606 let mut end_row = start_row.0;
5607 while active_rows
5608 .peek()
5609 .is_some_and(|(active_row, has_selection)| {
5610 active_row.0 == end_row + 1
5611 && has_selection.selection == contains_non_empty_selection.selection
5612 })
5613 {
5614 active_rows.next().unwrap();
5615 end_row += 1;
5616 }
5617
5618 if show_active_line_background && !contains_non_empty_selection.selection {
5619 let highlight_h_range =
5620 match layout.position_map.snapshot.current_line_highlight {
5621 CurrentLineHighlight::Gutter => Some(Range {
5622 start: layout.hitbox.left(),
5623 end: layout.gutter_hitbox.right(),
5624 }),
5625 CurrentLineHighlight::Line => Some(Range {
5626 start: layout.position_map.text_hitbox.bounds.left(),
5627 end: layout.position_map.text_hitbox.bounds.right(),
5628 }),
5629 CurrentLineHighlight::All => Some(Range {
5630 start: layout.hitbox.left(),
5631 end: layout.hitbox.right(),
5632 }),
5633 CurrentLineHighlight::None => None,
5634 };
5635 if let Some(range) = highlight_h_range {
5636 let active_line_bg = cx.theme().colors().editor_active_line_background;
5637 let bounds = Bounds {
5638 origin: point(
5639 range.start,
5640 layout.hitbox.origin.y
5641 + Pixels::from(
5642 (start_row.as_f64() - scroll_top)
5643 * ScrollPixelOffset::from(
5644 layout.position_map.line_height,
5645 ),
5646 ),
5647 ),
5648 size: size(
5649 range.end - range.start,
5650 layout.position_map.line_height
5651 * (end_row - start_row.0 + 1) as f32,
5652 ),
5653 };
5654 window.paint_quad(fill(bounds, active_line_bg));
5655 }
5656 }
5657 }
5658
5659 let mut paint_highlight = |highlight_row_start: DisplayRow,
5660 highlight_row_end: DisplayRow,
5661 highlight: crate::LineHighlight,
5662 edges| {
5663 let mut origin_x = layout.hitbox.left();
5664 let mut width = layout.hitbox.size.width;
5665 if !highlight.include_gutter {
5666 origin_x += layout.gutter_hitbox.size.width;
5667 width -= layout.gutter_hitbox.size.width;
5668 }
5669
5670 let origin = point(
5671 origin_x,
5672 layout.hitbox.origin.y
5673 + Pixels::from(
5674 (highlight_row_start.as_f64() - scroll_top)
5675 * ScrollPixelOffset::from(layout.position_map.line_height),
5676 ),
5677 );
5678 let size = size(
5679 width,
5680 layout.position_map.line_height
5681 * highlight_row_end.next_row().minus(highlight_row_start) as f32,
5682 );
5683 let mut quad = fill(Bounds { origin, size }, highlight.background);
5684 if let Some(border_color) = highlight.border {
5685 quad.border_color = border_color;
5686 quad.border_widths = edges
5687 }
5688 window.paint_quad(quad);
5689 };
5690
5691 let mut current_paint: Option<(LineHighlight, Range<DisplayRow>, Edges<Pixels>)> =
5692 None;
5693 for (&new_row, &new_background) in &layout.highlighted_rows {
5694 match &mut current_paint {
5695 &mut Some((current_background, ref mut current_range, mut edges)) => {
5696 let new_range_started = current_background != new_background
5697 || current_range.end.next_row() != new_row;
5698 if new_range_started {
5699 if current_range.end.next_row() == new_row {
5700 edges.bottom = px(0.);
5701 };
5702 paint_highlight(
5703 current_range.start,
5704 current_range.end,
5705 current_background,
5706 edges,
5707 );
5708 let edges = Edges {
5709 top: if current_range.end.next_row() != new_row {
5710 px(1.)
5711 } else {
5712 px(0.)
5713 },
5714 bottom: px(1.),
5715 ..Default::default()
5716 };
5717 current_paint = Some((new_background, new_row..new_row, edges));
5718 continue;
5719 } else {
5720 current_range.end = current_range.end.next_row();
5721 }
5722 }
5723 None => {
5724 let edges = Edges {
5725 top: px(1.),
5726 bottom: px(1.),
5727 ..Default::default()
5728 };
5729 current_paint = Some((new_background, new_row..new_row, edges))
5730 }
5731 };
5732 }
5733 if let Some((color, range, edges)) = current_paint {
5734 paint_highlight(range.start, range.end, color, edges);
5735 }
5736
5737 for (guide_x, active) in layout.wrap_guides.iter() {
5738 let color = if *active {
5739 cx.theme().colors().editor_active_wrap_guide
5740 } else {
5741 cx.theme().colors().editor_wrap_guide
5742 };
5743 window.paint_quad(fill(
5744 Bounds {
5745 origin: point(*guide_x, layout.position_map.text_hitbox.origin.y),
5746 size: size(px(1.), layout.position_map.text_hitbox.size.height),
5747 },
5748 color,
5749 ));
5750 }
5751 }
5752 })
5753 }
5754
5755 fn paint_indent_guides(
5756 &mut self,
5757 layout: &mut EditorLayout,
5758 window: &mut Window,
5759 cx: &mut App,
5760 ) {
5761 let Some(indent_guides) = &layout.indent_guides else {
5762 return;
5763 };
5764
5765 let faded_color = |color: Hsla, alpha: f32| {
5766 let mut faded = color;
5767 faded.a = alpha;
5768 faded
5769 };
5770
5771 for indent_guide in indent_guides {
5772 let indent_accent_colors = cx.theme().accents().color_for_index(indent_guide.depth);
5773 let settings = &indent_guide.settings;
5774
5775 // TODO fixed for now, expose them through themes later
5776 const INDENT_AWARE_ALPHA: f32 = 0.2;
5777 const INDENT_AWARE_ACTIVE_ALPHA: f32 = 0.4;
5778 const INDENT_AWARE_BACKGROUND_ALPHA: f32 = 0.1;
5779 const INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA: f32 = 0.2;
5780
5781 let line_color = match (settings.coloring, indent_guide.active) {
5782 (IndentGuideColoring::Disabled, _) => None,
5783 (IndentGuideColoring::Fixed, false) => {
5784 Some(cx.theme().colors().editor_indent_guide)
5785 }
5786 (IndentGuideColoring::Fixed, true) => {
5787 Some(cx.theme().colors().editor_indent_guide_active)
5788 }
5789 (IndentGuideColoring::IndentAware, false) => {
5790 Some(faded_color(indent_accent_colors, INDENT_AWARE_ALPHA))
5791 }
5792 (IndentGuideColoring::IndentAware, true) => {
5793 Some(faded_color(indent_accent_colors, INDENT_AWARE_ACTIVE_ALPHA))
5794 }
5795 };
5796
5797 let background_color = match (settings.background_coloring, indent_guide.active) {
5798 (IndentGuideBackgroundColoring::Disabled, _) => None,
5799 (IndentGuideBackgroundColoring::IndentAware, false) => Some(faded_color(
5800 indent_accent_colors,
5801 INDENT_AWARE_BACKGROUND_ALPHA,
5802 )),
5803 (IndentGuideBackgroundColoring::IndentAware, true) => Some(faded_color(
5804 indent_accent_colors,
5805 INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA,
5806 )),
5807 };
5808
5809 let requested_line_width = if indent_guide.active {
5810 settings.active_line_width
5811 } else {
5812 settings.line_width
5813 }
5814 .clamp(1, 10);
5815 let mut line_indicator_width = 0.;
5816 if let Some(color) = line_color {
5817 window.paint_quad(fill(
5818 Bounds {
5819 origin: indent_guide.origin,
5820 size: size(px(requested_line_width as f32), indent_guide.length),
5821 },
5822 color,
5823 ));
5824 line_indicator_width = requested_line_width as f32;
5825 }
5826
5827 if let Some(color) = background_color {
5828 let width = indent_guide.single_indent_width - px(line_indicator_width);
5829 window.paint_quad(fill(
5830 Bounds {
5831 origin: point(
5832 indent_guide.origin.x + px(line_indicator_width),
5833 indent_guide.origin.y,
5834 ),
5835 size: size(width, indent_guide.length),
5836 },
5837 color,
5838 ));
5839 }
5840 }
5841 }
5842
5843 fn paint_line_numbers(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5844 let is_singleton = self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
5845
5846 let line_height = layout.position_map.line_height;
5847 window.set_cursor_style(CursorStyle::Arrow, &layout.gutter_hitbox);
5848
5849 for LineNumberLayout {
5850 shaped_line,
5851 hitbox,
5852 } in layout.line_numbers.values()
5853 {
5854 let Some(hitbox) = hitbox else {
5855 continue;
5856 };
5857
5858 let Some(()) = (if !is_singleton && hitbox.is_hovered(window) {
5859 let color = cx.theme().colors().editor_hover_line_number;
5860
5861 let line = self.shape_line_number(shaped_line.text.clone(), color, window);
5862 line.paint(hitbox.origin, line_height, window, cx).log_err()
5863 } else {
5864 shaped_line
5865 .paint(hitbox.origin, line_height, window, cx)
5866 .log_err()
5867 }) else {
5868 continue;
5869 };
5870
5871 // In singleton buffers, we select corresponding lines on the line number click, so use | -like cursor.
5872 // In multi buffers, we open file at the line number clicked, so use a pointing hand cursor.
5873 if is_singleton {
5874 window.set_cursor_style(CursorStyle::IBeam, hitbox);
5875 } else {
5876 window.set_cursor_style(CursorStyle::PointingHand, hitbox);
5877 }
5878 }
5879 }
5880
5881 fn paint_gutter_diff_hunks(layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5882 if layout.display_hunks.is_empty() {
5883 return;
5884 }
5885
5886 let line_height = layout.position_map.line_height;
5887 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5888 for (hunk, hitbox) in &layout.display_hunks {
5889 let hunk_to_paint = match hunk {
5890 DisplayDiffHunk::Folded { .. } => {
5891 let hunk_bounds = Self::diff_hunk_bounds(
5892 &layout.position_map.snapshot,
5893 line_height,
5894 layout.gutter_hitbox.bounds,
5895 hunk,
5896 );
5897 Some((
5898 hunk_bounds,
5899 cx.theme().colors().version_control_modified,
5900 Corners::all(px(0.)),
5901 DiffHunkStatus::modified_none(),
5902 ))
5903 }
5904 DisplayDiffHunk::Unfolded {
5905 status,
5906 display_row_range,
5907 ..
5908 } => hitbox.as_ref().map(|hunk_hitbox| match status.kind {
5909 DiffHunkStatusKind::Added => (
5910 hunk_hitbox.bounds,
5911 cx.theme().colors().version_control_added,
5912 Corners::all(px(0.)),
5913 *status,
5914 ),
5915 DiffHunkStatusKind::Modified => (
5916 hunk_hitbox.bounds,
5917 cx.theme().colors().version_control_modified,
5918 Corners::all(px(0.)),
5919 *status,
5920 ),
5921 DiffHunkStatusKind::Deleted if !display_row_range.is_empty() => (
5922 hunk_hitbox.bounds,
5923 cx.theme().colors().version_control_deleted,
5924 Corners::all(px(0.)),
5925 *status,
5926 ),
5927 DiffHunkStatusKind::Deleted => (
5928 Bounds::new(
5929 point(
5930 hunk_hitbox.origin.x - hunk_hitbox.size.width,
5931 hunk_hitbox.origin.y,
5932 ),
5933 size(hunk_hitbox.size.width * 2., hunk_hitbox.size.height),
5934 ),
5935 cx.theme().colors().version_control_deleted,
5936 Corners::all(1. * line_height),
5937 *status,
5938 ),
5939 }),
5940 };
5941
5942 if let Some((hunk_bounds, background_color, corner_radii, status)) = hunk_to_paint {
5943 // Flatten the background color with the editor color to prevent
5944 // elements below transparent hunks from showing through
5945 let flattened_background_color = cx
5946 .theme()
5947 .colors()
5948 .editor_background
5949 .blend(background_color);
5950
5951 if !Self::diff_hunk_hollow(status, cx) {
5952 window.paint_quad(quad(
5953 hunk_bounds,
5954 corner_radii,
5955 flattened_background_color,
5956 Edges::default(),
5957 transparent_black(),
5958 BorderStyle::default(),
5959 ));
5960 } else {
5961 let flattened_unstaged_background_color = cx
5962 .theme()
5963 .colors()
5964 .editor_background
5965 .blend(background_color.opacity(0.3));
5966
5967 window.paint_quad(quad(
5968 hunk_bounds,
5969 corner_radii,
5970 flattened_unstaged_background_color,
5971 Edges::all(px(1.0)),
5972 flattened_background_color,
5973 BorderStyle::Solid,
5974 ));
5975 }
5976 }
5977 }
5978 });
5979 }
5980
5981 fn gutter_strip_width(line_height: Pixels) -> Pixels {
5982 (0.275 * line_height).floor()
5983 }
5984
5985 fn diff_hunk_bounds(
5986 snapshot: &EditorSnapshot,
5987 line_height: Pixels,
5988 gutter_bounds: Bounds<Pixels>,
5989 hunk: &DisplayDiffHunk,
5990 ) -> Bounds<Pixels> {
5991 let scroll_position = snapshot.scroll_position();
5992 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
5993 let gutter_strip_width = Self::gutter_strip_width(line_height);
5994
5995 match hunk {
5996 DisplayDiffHunk::Folded { display_row, .. } => {
5997 let start_y = (display_row.as_f64() * ScrollPixelOffset::from(line_height)
5998 - scroll_top)
5999 .into();
6000 let end_y = start_y + line_height;
6001 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6002 let highlight_size = size(gutter_strip_width, end_y - start_y);
6003 Bounds::new(highlight_origin, highlight_size)
6004 }
6005 DisplayDiffHunk::Unfolded {
6006 display_row_range,
6007 status,
6008 ..
6009 } => {
6010 if status.is_deleted() && display_row_range.is_empty() {
6011 let row = display_row_range.start;
6012
6013 let offset = ScrollPixelOffset::from(line_height / 2.);
6014 let start_y =
6015 (row.as_f64() * ScrollPixelOffset::from(line_height) - offset - scroll_top)
6016 .into();
6017 let end_y = start_y + line_height;
6018
6019 let width = (0.35 * line_height).floor();
6020 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6021 let highlight_size = size(width, end_y - start_y);
6022 Bounds::new(highlight_origin, highlight_size)
6023 } else {
6024 let start_row = display_row_range.start;
6025 let end_row = display_row_range.end;
6026 // If we're in a multibuffer, row range span might include an
6027 // excerpt header, so if we were to draw the marker straight away,
6028 // the hunk might include the rows of that header.
6029 // Making the range inclusive doesn't quite cut it, as we rely on the exclusivity for the soft wrap.
6030 // Instead, we simply check whether the range we're dealing with includes
6031 // any excerpt headers and if so, we stop painting the diff hunk on the first row of that header.
6032 let end_row_in_current_excerpt = snapshot
6033 .blocks_in_range(start_row..end_row)
6034 .find_map(|(start_row, block)| {
6035 if matches!(
6036 block,
6037 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
6038 ) {
6039 Some(start_row)
6040 } else {
6041 None
6042 }
6043 })
6044 .unwrap_or(end_row);
6045
6046 let start_y = (start_row.as_f64() * ScrollPixelOffset::from(line_height)
6047 - scroll_top)
6048 .into();
6049 let end_y = Pixels::from(
6050 end_row_in_current_excerpt.as_f64() * ScrollPixelOffset::from(line_height)
6051 - scroll_top,
6052 );
6053
6054 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6055 let highlight_size = size(gutter_strip_width, end_y - start_y);
6056 Bounds::new(highlight_origin, highlight_size)
6057 }
6058 }
6059 }
6060 }
6061
6062 fn paint_gutter_indicators(
6063 &self,
6064 layout: &mut EditorLayout,
6065 window: &mut Window,
6066 cx: &mut App,
6067 ) {
6068 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6069 window.with_element_namespace("crease_toggles", |window| {
6070 for crease_toggle in layout.crease_toggles.iter_mut().flatten() {
6071 crease_toggle.paint(window, cx);
6072 }
6073 });
6074
6075 window.with_element_namespace("expand_toggles", |window| {
6076 for (expand_toggle, _) in layout.expand_toggles.iter_mut().flatten() {
6077 expand_toggle.paint(window, cx);
6078 }
6079 });
6080
6081 for breakpoint in layout.breakpoints.iter_mut() {
6082 breakpoint.paint(window, cx);
6083 }
6084
6085 for test_indicator in layout.test_indicators.iter_mut() {
6086 test_indicator.paint(window, cx);
6087 }
6088 });
6089 }
6090
6091 fn paint_gutter_highlights(
6092 &self,
6093 layout: &mut EditorLayout,
6094 window: &mut Window,
6095 cx: &mut App,
6096 ) {
6097 for (_, hunk_hitbox) in &layout.display_hunks {
6098 if let Some(hunk_hitbox) = hunk_hitbox
6099 && !self
6100 .editor
6101 .read(cx)
6102 .buffer()
6103 .read(cx)
6104 .all_diff_hunks_expanded()
6105 {
6106 window.set_cursor_style(CursorStyle::PointingHand, hunk_hitbox);
6107 }
6108 }
6109
6110 let show_git_gutter = layout
6111 .position_map
6112 .snapshot
6113 .show_git_diff_gutter
6114 .unwrap_or_else(|| {
6115 matches!(
6116 ProjectSettings::get_global(cx).git.git_gutter,
6117 GitGutterSetting::TrackedFiles
6118 )
6119 });
6120 if show_git_gutter {
6121 Self::paint_gutter_diff_hunks(layout, window, cx)
6122 }
6123
6124 let highlight_width = 0.275 * layout.position_map.line_height;
6125 let highlight_corner_radii = Corners::all(0.05 * layout.position_map.line_height);
6126 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6127 for (range, color) in &layout.highlighted_gutter_ranges {
6128 let start_row = if range.start.row() < layout.visible_display_row_range.start {
6129 layout.visible_display_row_range.start - DisplayRow(1)
6130 } else {
6131 range.start.row()
6132 };
6133 let end_row = if range.end.row() > layout.visible_display_row_range.end {
6134 layout.visible_display_row_range.end + DisplayRow(1)
6135 } else {
6136 range.end.row()
6137 };
6138
6139 let start_y = layout.gutter_hitbox.top()
6140 + Pixels::from(
6141 start_row.0 as f64
6142 * ScrollPixelOffset::from(layout.position_map.line_height)
6143 - layout.position_map.scroll_pixel_position.y,
6144 );
6145 let end_y = layout.gutter_hitbox.top()
6146 + Pixels::from(
6147 (end_row.0 + 1) as f64
6148 * ScrollPixelOffset::from(layout.position_map.line_height)
6149 - layout.position_map.scroll_pixel_position.y,
6150 );
6151 let bounds = Bounds::from_corners(
6152 point(layout.gutter_hitbox.left(), start_y),
6153 point(layout.gutter_hitbox.left() + highlight_width, end_y),
6154 );
6155 window.paint_quad(fill(bounds, *color).corner_radii(highlight_corner_radii));
6156 }
6157 });
6158 }
6159
6160 fn paint_blamed_display_rows(
6161 &self,
6162 layout: &mut EditorLayout,
6163 window: &mut Window,
6164 cx: &mut App,
6165 ) {
6166 let Some(blamed_display_rows) = layout.blamed_display_rows.take() else {
6167 return;
6168 };
6169
6170 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6171 for mut blame_element in blamed_display_rows.into_iter() {
6172 blame_element.paint(window, cx);
6173 }
6174 })
6175 }
6176
6177 fn paint_text(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6178 window.with_content_mask(
6179 Some(ContentMask {
6180 bounds: layout.position_map.text_hitbox.bounds,
6181 }),
6182 |window| {
6183 let editor = self.editor.read(cx);
6184 if editor.mouse_cursor_hidden {
6185 window.set_window_cursor_style(CursorStyle::None);
6186 } else if let SelectionDragState::ReadyToDrag {
6187 mouse_down_time, ..
6188 } = &editor.selection_drag_state
6189 {
6190 let drag_and_drop_delay = Duration::from_millis(
6191 EditorSettings::get_global(cx)
6192 .drag_and_drop_selection
6193 .delay
6194 .0,
6195 );
6196 if mouse_down_time.elapsed() >= drag_and_drop_delay {
6197 window.set_cursor_style(
6198 CursorStyle::DragCopy,
6199 &layout.position_map.text_hitbox,
6200 );
6201 }
6202 } else if matches!(
6203 editor.selection_drag_state,
6204 SelectionDragState::Dragging { .. }
6205 ) {
6206 window
6207 .set_cursor_style(CursorStyle::DragCopy, &layout.position_map.text_hitbox);
6208 } else if editor
6209 .hovered_link_state
6210 .as_ref()
6211 .is_some_and(|hovered_link_state| !hovered_link_state.links.is_empty())
6212 {
6213 window.set_cursor_style(
6214 CursorStyle::PointingHand,
6215 &layout.position_map.text_hitbox,
6216 );
6217 } else {
6218 window.set_cursor_style(CursorStyle::IBeam, &layout.position_map.text_hitbox);
6219 };
6220
6221 self.paint_lines_background(layout, window, cx);
6222 let invisible_display_ranges = self.paint_highlights(layout, window, cx);
6223 self.paint_document_colors(layout, window);
6224 self.paint_lines(&invisible_display_ranges, layout, window, cx);
6225 self.paint_redactions(layout, window);
6226 self.paint_cursors(layout, window, cx);
6227 self.paint_inline_diagnostics(layout, window, cx);
6228 self.paint_inline_blame(layout, window, cx);
6229 self.paint_inline_code_actions(layout, window, cx);
6230 self.paint_diff_hunk_controls(layout, window, cx);
6231 window.with_element_namespace("crease_trailers", |window| {
6232 for trailer in layout.crease_trailers.iter_mut().flatten() {
6233 trailer.element.paint(window, cx);
6234 }
6235 });
6236 },
6237 )
6238 }
6239
6240 fn paint_highlights(
6241 &mut self,
6242 layout: &mut EditorLayout,
6243 window: &mut Window,
6244 cx: &mut App,
6245 ) -> SmallVec<[Range<DisplayPoint>; 32]> {
6246 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6247 let mut invisible_display_ranges = SmallVec::<[Range<DisplayPoint>; 32]>::new();
6248 let line_end_overshoot = 0.15 * layout.position_map.line_height;
6249 for (range, color) in &layout.highlighted_ranges {
6250 self.paint_highlighted_range(
6251 range.clone(),
6252 true,
6253 *color,
6254 Pixels::ZERO,
6255 line_end_overshoot,
6256 layout,
6257 window,
6258 );
6259 }
6260
6261 let corner_radius = if EditorSettings::get_global(cx).rounded_selection {
6262 0.15 * layout.position_map.line_height
6263 } else {
6264 Pixels::ZERO
6265 };
6266
6267 for (player_color, selections) in &layout.selections {
6268 for selection in selections.iter() {
6269 self.paint_highlighted_range(
6270 selection.range.clone(),
6271 true,
6272 player_color.selection,
6273 corner_radius,
6274 corner_radius * 2.,
6275 layout,
6276 window,
6277 );
6278
6279 if selection.is_local && !selection.range.is_empty() {
6280 invisible_display_ranges.push(selection.range.clone());
6281 }
6282 }
6283 }
6284 invisible_display_ranges
6285 })
6286 }
6287
6288 fn paint_lines(
6289 &mut self,
6290 invisible_display_ranges: &[Range<DisplayPoint>],
6291 layout: &mut EditorLayout,
6292 window: &mut Window,
6293 cx: &mut App,
6294 ) {
6295 let whitespace_setting = self
6296 .editor
6297 .read(cx)
6298 .buffer
6299 .read(cx)
6300 .language_settings(cx)
6301 .show_whitespaces;
6302
6303 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6304 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6305 line_with_invisibles.draw(
6306 layout,
6307 row,
6308 layout.content_origin,
6309 whitespace_setting,
6310 invisible_display_ranges,
6311 window,
6312 cx,
6313 )
6314 }
6315
6316 for line_element in &mut layout.line_elements {
6317 line_element.paint(window, cx);
6318 }
6319 }
6320
6321 fn paint_lines_background(
6322 &mut self,
6323 layout: &mut EditorLayout,
6324 window: &mut Window,
6325 cx: &mut App,
6326 ) {
6327 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6328 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6329 line_with_invisibles.draw_background(layout, row, layout.content_origin, window, cx);
6330 }
6331 }
6332
6333 fn paint_redactions(&mut self, layout: &EditorLayout, window: &mut Window) {
6334 if layout.redacted_ranges.is_empty() {
6335 return;
6336 }
6337
6338 let line_end_overshoot = layout.line_end_overshoot();
6339
6340 // A softer than perfect black
6341 let redaction_color = gpui::rgb(0x0e1111);
6342
6343 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6344 for range in layout.redacted_ranges.iter() {
6345 self.paint_highlighted_range(
6346 range.clone(),
6347 true,
6348 redaction_color.into(),
6349 Pixels::ZERO,
6350 line_end_overshoot,
6351 layout,
6352 window,
6353 );
6354 }
6355 });
6356 }
6357
6358 fn paint_document_colors(&self, layout: &mut EditorLayout, window: &mut Window) {
6359 let Some((colors_render_mode, image_colors)) = &layout.document_colors else {
6360 return;
6361 };
6362 if image_colors.is_empty()
6363 || colors_render_mode == &DocumentColorsRenderMode::None
6364 || colors_render_mode == &DocumentColorsRenderMode::Inlay
6365 {
6366 return;
6367 }
6368
6369 let line_end_overshoot = layout.line_end_overshoot();
6370
6371 for (range, color) in image_colors {
6372 match colors_render_mode {
6373 DocumentColorsRenderMode::Inlay | DocumentColorsRenderMode::None => return,
6374 DocumentColorsRenderMode::Background => {
6375 self.paint_highlighted_range(
6376 range.clone(),
6377 true,
6378 *color,
6379 Pixels::ZERO,
6380 line_end_overshoot,
6381 layout,
6382 window,
6383 );
6384 }
6385 DocumentColorsRenderMode::Border => {
6386 self.paint_highlighted_range(
6387 range.clone(),
6388 false,
6389 *color,
6390 Pixels::ZERO,
6391 line_end_overshoot,
6392 layout,
6393 window,
6394 );
6395 }
6396 }
6397 }
6398 }
6399
6400 fn paint_cursors(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6401 for cursor in &mut layout.visible_cursors {
6402 cursor.paint(layout.content_origin, window, cx);
6403 }
6404 }
6405
6406 fn paint_scrollbars(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6407 let Some(scrollbars_layout) = layout.scrollbars_layout.take() else {
6408 return;
6409 };
6410 let any_scrollbar_dragged = self.editor.read(cx).scroll_manager.any_scrollbar_dragged();
6411
6412 for (scrollbar_layout, axis) in scrollbars_layout.iter_scrollbars() {
6413 let hitbox = &scrollbar_layout.hitbox;
6414 if scrollbars_layout.visible {
6415 let scrollbar_edges = match axis {
6416 ScrollbarAxis::Horizontal => Edges {
6417 top: Pixels::ZERO,
6418 right: Pixels::ZERO,
6419 bottom: Pixels::ZERO,
6420 left: Pixels::ZERO,
6421 },
6422 ScrollbarAxis::Vertical => Edges {
6423 top: Pixels::ZERO,
6424 right: Pixels::ZERO,
6425 bottom: Pixels::ZERO,
6426 left: ScrollbarLayout::BORDER_WIDTH,
6427 },
6428 };
6429
6430 window.paint_layer(hitbox.bounds, |window| {
6431 window.paint_quad(quad(
6432 hitbox.bounds,
6433 Corners::default(),
6434 cx.theme().colors().scrollbar_track_background,
6435 scrollbar_edges,
6436 cx.theme().colors().scrollbar_track_border,
6437 BorderStyle::Solid,
6438 ));
6439
6440 if axis == ScrollbarAxis::Vertical {
6441 let fast_markers =
6442 self.collect_fast_scrollbar_markers(layout, scrollbar_layout, cx);
6443 // Refresh slow scrollbar markers in the background. Below, we
6444 // paint whatever markers have already been computed.
6445 self.refresh_slow_scrollbar_markers(layout, scrollbar_layout, window, cx);
6446
6447 let markers = self.editor.read(cx).scrollbar_marker_state.markers.clone();
6448 for marker in markers.iter().chain(&fast_markers) {
6449 let mut marker = marker.clone();
6450 marker.bounds.origin += hitbox.origin;
6451 window.paint_quad(marker);
6452 }
6453 }
6454
6455 if let Some(thumb_bounds) = scrollbar_layout.thumb_bounds {
6456 let scrollbar_thumb_color = match scrollbar_layout.thumb_state {
6457 ScrollbarThumbState::Dragging => {
6458 cx.theme().colors().scrollbar_thumb_active_background
6459 }
6460 ScrollbarThumbState::Hovered => {
6461 cx.theme().colors().scrollbar_thumb_hover_background
6462 }
6463 ScrollbarThumbState::Idle => {
6464 cx.theme().colors().scrollbar_thumb_background
6465 }
6466 };
6467 window.paint_quad(quad(
6468 thumb_bounds,
6469 Corners::default(),
6470 scrollbar_thumb_color,
6471 scrollbar_edges,
6472 cx.theme().colors().scrollbar_thumb_border,
6473 BorderStyle::Solid,
6474 ));
6475
6476 if any_scrollbar_dragged {
6477 window.set_window_cursor_style(CursorStyle::Arrow);
6478 } else {
6479 window.set_cursor_style(CursorStyle::Arrow, hitbox);
6480 }
6481 }
6482 })
6483 }
6484 }
6485
6486 window.on_mouse_event({
6487 let editor = self.editor.clone();
6488 let scrollbars_layout = scrollbars_layout.clone();
6489
6490 let mut mouse_position = window.mouse_position();
6491 move |event: &MouseMoveEvent, phase, window, cx| {
6492 if phase == DispatchPhase::Capture {
6493 return;
6494 }
6495
6496 editor.update(cx, |editor, cx| {
6497 if let Some((scrollbar_layout, axis)) = event
6498 .pressed_button
6499 .filter(|button| *button == MouseButton::Left)
6500 .and(editor.scroll_manager.dragging_scrollbar_axis())
6501 .and_then(|axis| {
6502 scrollbars_layout
6503 .iter_scrollbars()
6504 .find(|(_, a)| *a == axis)
6505 })
6506 {
6507 let ScrollbarLayout {
6508 hitbox,
6509 text_unit_size,
6510 ..
6511 } = scrollbar_layout;
6512
6513 let old_position = mouse_position.along(axis);
6514 let new_position = event.position.along(axis);
6515 if (hitbox.origin.along(axis)..hitbox.bottom_right().along(axis))
6516 .contains(&old_position)
6517 {
6518 let position = editor.scroll_position(cx).apply_along(axis, |p| {
6519 (p + ScrollOffset::from(
6520 (new_position - old_position) / *text_unit_size,
6521 ))
6522 .max(0.)
6523 });
6524 editor.set_scroll_position(position, window, cx);
6525 }
6526
6527 editor.scroll_manager.show_scrollbars(window, cx);
6528 cx.stop_propagation();
6529 } else if let Some((layout, axis)) = scrollbars_layout
6530 .get_hovered_axis(window)
6531 .filter(|_| !event.dragging())
6532 {
6533 if layout.thumb_hovered(&event.position) {
6534 editor
6535 .scroll_manager
6536 .set_hovered_scroll_thumb_axis(axis, cx);
6537 } else {
6538 editor.scroll_manager.reset_scrollbar_state(cx);
6539 }
6540
6541 editor.scroll_manager.show_scrollbars(window, cx);
6542 } else {
6543 editor.scroll_manager.reset_scrollbar_state(cx);
6544 }
6545
6546 mouse_position = event.position;
6547 })
6548 }
6549 });
6550
6551 if any_scrollbar_dragged {
6552 window.on_mouse_event({
6553 let editor = self.editor.clone();
6554 move |_: &MouseUpEvent, phase, window, cx| {
6555 if phase == DispatchPhase::Capture {
6556 return;
6557 }
6558
6559 editor.update(cx, |editor, cx| {
6560 if let Some((_, axis)) = scrollbars_layout.get_hovered_axis(window) {
6561 editor
6562 .scroll_manager
6563 .set_hovered_scroll_thumb_axis(axis, cx);
6564 } else {
6565 editor.scroll_manager.reset_scrollbar_state(cx);
6566 }
6567 cx.stop_propagation();
6568 });
6569 }
6570 });
6571 } else {
6572 window.on_mouse_event({
6573 let editor = self.editor.clone();
6574
6575 move |event: &MouseDownEvent, phase, window, cx| {
6576 if phase == DispatchPhase::Capture {
6577 return;
6578 }
6579 let Some((scrollbar_layout, axis)) = scrollbars_layout.get_hovered_axis(window)
6580 else {
6581 return;
6582 };
6583
6584 let ScrollbarLayout {
6585 hitbox,
6586 visible_range,
6587 text_unit_size,
6588 thumb_bounds,
6589 ..
6590 } = scrollbar_layout;
6591
6592 let Some(thumb_bounds) = thumb_bounds else {
6593 return;
6594 };
6595
6596 editor.update(cx, |editor, cx| {
6597 editor
6598 .scroll_manager
6599 .set_dragged_scroll_thumb_axis(axis, cx);
6600
6601 let event_position = event.position.along(axis);
6602
6603 if event_position < thumb_bounds.origin.along(axis)
6604 || thumb_bounds.bottom_right().along(axis) < event_position
6605 {
6606 let center_position = ((event_position - hitbox.origin.along(axis))
6607 / *text_unit_size)
6608 .round() as u32;
6609 let start_position = center_position.saturating_sub(
6610 (visible_range.end - visible_range.start) as u32 / 2,
6611 );
6612
6613 let position = editor
6614 .scroll_position(cx)
6615 .apply_along(axis, |_| start_position as ScrollOffset);
6616
6617 editor.set_scroll_position(position, window, cx);
6618 } else {
6619 editor.scroll_manager.show_scrollbars(window, cx);
6620 }
6621
6622 cx.stop_propagation();
6623 });
6624 }
6625 });
6626 }
6627 }
6628
6629 fn collect_fast_scrollbar_markers(
6630 &self,
6631 layout: &EditorLayout,
6632 scrollbar_layout: &ScrollbarLayout,
6633 cx: &mut App,
6634 ) -> Vec<PaintQuad> {
6635 const LIMIT: usize = 100;
6636 if !EditorSettings::get_global(cx).scrollbar.cursors || layout.cursors.len() > LIMIT {
6637 return vec![];
6638 }
6639 let cursor_ranges = layout
6640 .cursors
6641 .iter()
6642 .map(|(point, color)| ColoredRange {
6643 start: point.row(),
6644 end: point.row(),
6645 color: *color,
6646 })
6647 .collect_vec();
6648 scrollbar_layout.marker_quads_for_ranges(cursor_ranges, None)
6649 }
6650
6651 fn refresh_slow_scrollbar_markers(
6652 &self,
6653 layout: &EditorLayout,
6654 scrollbar_layout: &ScrollbarLayout,
6655 window: &mut Window,
6656 cx: &mut App,
6657 ) {
6658 self.editor.update(cx, |editor, cx| {
6659 if editor.buffer_kind(cx) != ItemBufferKind::Singleton
6660 || !editor
6661 .scrollbar_marker_state
6662 .should_refresh(scrollbar_layout.hitbox.size)
6663 {
6664 return;
6665 }
6666
6667 let scrollbar_layout = scrollbar_layout.clone();
6668 let background_highlights = editor.background_highlights.clone();
6669 let snapshot = layout.position_map.snapshot.clone();
6670 let theme = cx.theme().clone();
6671 let scrollbar_settings = EditorSettings::get_global(cx).scrollbar;
6672
6673 editor.scrollbar_marker_state.dirty = false;
6674 editor.scrollbar_marker_state.pending_refresh =
6675 Some(cx.spawn_in(window, async move |editor, cx| {
6676 let scrollbar_size = scrollbar_layout.hitbox.size;
6677 let scrollbar_markers = cx
6678 .background_spawn(async move {
6679 let max_point = snapshot.display_snapshot.buffer_snapshot().max_point();
6680 let mut marker_quads = Vec::new();
6681 if scrollbar_settings.git_diff {
6682 let marker_row_ranges =
6683 snapshot.buffer_snapshot().diff_hunks().map(|hunk| {
6684 let start_display_row =
6685 MultiBufferPoint::new(hunk.row_range.start.0, 0)
6686 .to_display_point(&snapshot.display_snapshot)
6687 .row();
6688 let mut end_display_row =
6689 MultiBufferPoint::new(hunk.row_range.end.0, 0)
6690 .to_display_point(&snapshot.display_snapshot)
6691 .row();
6692 if end_display_row != start_display_row {
6693 end_display_row.0 -= 1;
6694 }
6695 let color = match &hunk.status().kind {
6696 DiffHunkStatusKind::Added => {
6697 theme.colors().version_control_added
6698 }
6699 DiffHunkStatusKind::Modified => {
6700 theme.colors().version_control_modified
6701 }
6702 DiffHunkStatusKind::Deleted => {
6703 theme.colors().version_control_deleted
6704 }
6705 };
6706 ColoredRange {
6707 start: start_display_row,
6708 end: end_display_row,
6709 color,
6710 }
6711 });
6712
6713 marker_quads.extend(
6714 scrollbar_layout
6715 .marker_quads_for_ranges(marker_row_ranges, Some(0)),
6716 );
6717 }
6718
6719 for (background_highlight_id, (_, background_ranges)) in
6720 background_highlights.iter()
6721 {
6722 let is_search_highlights = *background_highlight_id
6723 == HighlightKey::Type(TypeId::of::<BufferSearchHighlights>());
6724 let is_text_highlights = *background_highlight_id
6725 == HighlightKey::Type(TypeId::of::<SelectedTextHighlight>());
6726 let is_symbol_occurrences = *background_highlight_id
6727 == HighlightKey::Type(TypeId::of::<DocumentHighlightRead>())
6728 || *background_highlight_id
6729 == HighlightKey::Type(
6730 TypeId::of::<DocumentHighlightWrite>(),
6731 );
6732 if (is_search_highlights && scrollbar_settings.search_results)
6733 || (is_text_highlights && scrollbar_settings.selected_text)
6734 || (is_symbol_occurrences && scrollbar_settings.selected_symbol)
6735 {
6736 let mut color = theme.status().info;
6737 if is_symbol_occurrences {
6738 color.fade_out(0.5);
6739 }
6740 let marker_row_ranges = background_ranges.iter().map(|range| {
6741 let display_start = range
6742 .start
6743 .to_display_point(&snapshot.display_snapshot);
6744 let display_end =
6745 range.end.to_display_point(&snapshot.display_snapshot);
6746 ColoredRange {
6747 start: display_start.row(),
6748 end: display_end.row(),
6749 color,
6750 }
6751 });
6752 marker_quads.extend(
6753 scrollbar_layout
6754 .marker_quads_for_ranges(marker_row_ranges, Some(1)),
6755 );
6756 }
6757 }
6758
6759 if scrollbar_settings.diagnostics != ScrollbarDiagnostics::None {
6760 let diagnostics = snapshot
6761 .buffer_snapshot()
6762 .diagnostics_in_range::<Point>(Point::zero()..max_point)
6763 // Don't show diagnostics the user doesn't care about
6764 .filter(|diagnostic| {
6765 match (
6766 scrollbar_settings.diagnostics,
6767 diagnostic.diagnostic.severity,
6768 ) {
6769 (ScrollbarDiagnostics::All, _) => true,
6770 (
6771 ScrollbarDiagnostics::Error,
6772 lsp::DiagnosticSeverity::ERROR,
6773 ) => true,
6774 (
6775 ScrollbarDiagnostics::Warning,
6776 lsp::DiagnosticSeverity::ERROR
6777 | lsp::DiagnosticSeverity::WARNING,
6778 ) => true,
6779 (
6780 ScrollbarDiagnostics::Information,
6781 lsp::DiagnosticSeverity::ERROR
6782 | lsp::DiagnosticSeverity::WARNING
6783 | lsp::DiagnosticSeverity::INFORMATION,
6784 ) => true,
6785 (_, _) => false,
6786 }
6787 })
6788 // We want to sort by severity, in order to paint the most severe diagnostics last.
6789 .sorted_by_key(|diagnostic| {
6790 std::cmp::Reverse(diagnostic.diagnostic.severity)
6791 });
6792
6793 let marker_row_ranges = diagnostics.into_iter().map(|diagnostic| {
6794 let start_display = diagnostic
6795 .range
6796 .start
6797 .to_display_point(&snapshot.display_snapshot);
6798 let end_display = diagnostic
6799 .range
6800 .end
6801 .to_display_point(&snapshot.display_snapshot);
6802 let color = match diagnostic.diagnostic.severity {
6803 lsp::DiagnosticSeverity::ERROR => theme.status().error,
6804 lsp::DiagnosticSeverity::WARNING => theme.status().warning,
6805 lsp::DiagnosticSeverity::INFORMATION => theme.status().info,
6806 _ => theme.status().hint,
6807 };
6808 ColoredRange {
6809 start: start_display.row(),
6810 end: end_display.row(),
6811 color,
6812 }
6813 });
6814 marker_quads.extend(
6815 scrollbar_layout
6816 .marker_quads_for_ranges(marker_row_ranges, Some(2)),
6817 );
6818 }
6819
6820 Arc::from(marker_quads)
6821 })
6822 .await;
6823
6824 editor.update(cx, |editor, cx| {
6825 editor.scrollbar_marker_state.markers = scrollbar_markers;
6826 editor.scrollbar_marker_state.scrollbar_size = scrollbar_size;
6827 editor.scrollbar_marker_state.pending_refresh = None;
6828 cx.notify();
6829 })?;
6830
6831 Ok(())
6832 }));
6833 });
6834 }
6835
6836 fn paint_highlighted_range(
6837 &self,
6838 range: Range<DisplayPoint>,
6839 fill: bool,
6840 color: Hsla,
6841 corner_radius: Pixels,
6842 line_end_overshoot: Pixels,
6843 layout: &EditorLayout,
6844 window: &mut Window,
6845 ) {
6846 let start_row = layout.visible_display_row_range.start;
6847 let end_row = layout.visible_display_row_range.end;
6848 if range.start != range.end {
6849 let row_range = if range.end.column() == 0 {
6850 cmp::max(range.start.row(), start_row)..cmp::min(range.end.row(), end_row)
6851 } else {
6852 cmp::max(range.start.row(), start_row)
6853 ..cmp::min(range.end.row().next_row(), end_row)
6854 };
6855
6856 let highlighted_range = HighlightedRange {
6857 color,
6858 line_height: layout.position_map.line_height,
6859 corner_radius,
6860 start_y: layout.content_origin.y
6861 + Pixels::from(
6862 (row_range.start.as_f64() - layout.position_map.scroll_position.y)
6863 * ScrollOffset::from(layout.position_map.line_height),
6864 ),
6865 lines: row_range
6866 .iter_rows()
6867 .map(|row| {
6868 let line_layout =
6869 &layout.position_map.line_layouts[row.minus(start_row) as usize];
6870 HighlightedRangeLine {
6871 start_x: if row == range.start.row() {
6872 layout.content_origin.x
6873 + Pixels::from(
6874 ScrollPixelOffset::from(
6875 line_layout.x_for_index(range.start.column() as usize),
6876 ) - layout.position_map.scroll_pixel_position.x,
6877 )
6878 } else {
6879 layout.content_origin.x
6880 - Pixels::from(layout.position_map.scroll_pixel_position.x)
6881 },
6882 end_x: if row == range.end.row() {
6883 layout.content_origin.x
6884 + Pixels::from(
6885 ScrollPixelOffset::from(
6886 line_layout.x_for_index(range.end.column() as usize),
6887 ) - layout.position_map.scroll_pixel_position.x,
6888 )
6889 } else {
6890 Pixels::from(
6891 ScrollPixelOffset::from(
6892 layout.content_origin.x
6893 + line_layout.width
6894 + line_end_overshoot,
6895 ) - layout.position_map.scroll_pixel_position.x,
6896 )
6897 },
6898 }
6899 })
6900 .collect(),
6901 };
6902
6903 highlighted_range.paint(fill, layout.position_map.text_hitbox.bounds, window);
6904 }
6905 }
6906
6907 fn paint_inline_diagnostics(
6908 &mut self,
6909 layout: &mut EditorLayout,
6910 window: &mut Window,
6911 cx: &mut App,
6912 ) {
6913 for mut inline_diagnostic in layout.inline_diagnostics.drain() {
6914 inline_diagnostic.1.paint(window, cx);
6915 }
6916 }
6917
6918 fn paint_inline_blame(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6919 if let Some(mut blame_layout) = layout.inline_blame_layout.take() {
6920 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6921 blame_layout.element.paint(window, cx);
6922 })
6923 }
6924 }
6925
6926 fn paint_inline_code_actions(
6927 &mut self,
6928 layout: &mut EditorLayout,
6929 window: &mut Window,
6930 cx: &mut App,
6931 ) {
6932 if let Some(mut inline_code_actions) = layout.inline_code_actions.take() {
6933 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6934 inline_code_actions.paint(window, cx);
6935 })
6936 }
6937 }
6938
6939 fn paint_diff_hunk_controls(
6940 &mut self,
6941 layout: &mut EditorLayout,
6942 window: &mut Window,
6943 cx: &mut App,
6944 ) {
6945 for mut diff_hunk_control in layout.diff_hunk_controls.drain(..) {
6946 diff_hunk_control.paint(window, cx);
6947 }
6948 }
6949
6950 fn paint_minimap(&self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6951 if let Some(mut layout) = layout.minimap.take() {
6952 let minimap_hitbox = layout.thumb_layout.hitbox.clone();
6953 let dragging_minimap = self.editor.read(cx).scroll_manager.is_dragging_minimap();
6954
6955 window.paint_layer(layout.thumb_layout.hitbox.bounds, |window| {
6956 window.with_element_namespace("minimap", |window| {
6957 layout.minimap.paint(window, cx);
6958 if let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds {
6959 let minimap_thumb_color = match layout.thumb_layout.thumb_state {
6960 ScrollbarThumbState::Idle => {
6961 cx.theme().colors().minimap_thumb_background
6962 }
6963 ScrollbarThumbState::Hovered => {
6964 cx.theme().colors().minimap_thumb_hover_background
6965 }
6966 ScrollbarThumbState::Dragging => {
6967 cx.theme().colors().minimap_thumb_active_background
6968 }
6969 };
6970 let minimap_thumb_border = match layout.thumb_border_style {
6971 MinimapThumbBorder::Full => Edges::all(ScrollbarLayout::BORDER_WIDTH),
6972 MinimapThumbBorder::LeftOnly => Edges {
6973 left: ScrollbarLayout::BORDER_WIDTH,
6974 ..Default::default()
6975 },
6976 MinimapThumbBorder::LeftOpen => Edges {
6977 right: ScrollbarLayout::BORDER_WIDTH,
6978 top: ScrollbarLayout::BORDER_WIDTH,
6979 bottom: ScrollbarLayout::BORDER_WIDTH,
6980 ..Default::default()
6981 },
6982 MinimapThumbBorder::RightOpen => Edges {
6983 left: ScrollbarLayout::BORDER_WIDTH,
6984 top: ScrollbarLayout::BORDER_WIDTH,
6985 bottom: ScrollbarLayout::BORDER_WIDTH,
6986 ..Default::default()
6987 },
6988 MinimapThumbBorder::None => Default::default(),
6989 };
6990
6991 window.paint_layer(minimap_hitbox.bounds, |window| {
6992 window.paint_quad(quad(
6993 thumb_bounds,
6994 Corners::default(),
6995 minimap_thumb_color,
6996 minimap_thumb_border,
6997 cx.theme().colors().minimap_thumb_border,
6998 BorderStyle::Solid,
6999 ));
7000 });
7001 }
7002 });
7003 });
7004
7005 if dragging_minimap {
7006 window.set_window_cursor_style(CursorStyle::Arrow);
7007 } else {
7008 window.set_cursor_style(CursorStyle::Arrow, &minimap_hitbox);
7009 }
7010
7011 let minimap_axis = ScrollbarAxis::Vertical;
7012 let pixels_per_line = Pixels::from(
7013 ScrollPixelOffset::from(minimap_hitbox.size.height) / layout.max_scroll_top,
7014 )
7015 .min(layout.minimap_line_height);
7016
7017 let mut mouse_position = window.mouse_position();
7018
7019 window.on_mouse_event({
7020 let editor = self.editor.clone();
7021
7022 let minimap_hitbox = minimap_hitbox.clone();
7023
7024 move |event: &MouseMoveEvent, phase, window, cx| {
7025 if phase == DispatchPhase::Capture {
7026 return;
7027 }
7028
7029 editor.update(cx, |editor, cx| {
7030 if event.pressed_button == Some(MouseButton::Left)
7031 && editor.scroll_manager.is_dragging_minimap()
7032 {
7033 let old_position = mouse_position.along(minimap_axis);
7034 let new_position = event.position.along(minimap_axis);
7035 if (minimap_hitbox.origin.along(minimap_axis)
7036 ..minimap_hitbox.bottom_right().along(minimap_axis))
7037 .contains(&old_position)
7038 {
7039 let position =
7040 editor.scroll_position(cx).apply_along(minimap_axis, |p| {
7041 (p + ScrollPixelOffset::from(
7042 (new_position - old_position) / pixels_per_line,
7043 ))
7044 .max(0.)
7045 });
7046
7047 editor.set_scroll_position(position, window, cx);
7048 }
7049 cx.stop_propagation();
7050 } else if minimap_hitbox.is_hovered(window) {
7051 editor.scroll_manager.set_is_hovering_minimap_thumb(
7052 !event.dragging()
7053 && layout
7054 .thumb_layout
7055 .thumb_bounds
7056 .is_some_and(|bounds| bounds.contains(&event.position)),
7057 cx,
7058 );
7059
7060 // Stop hover events from propagating to the
7061 // underlying editor if the minimap hitbox is hovered
7062 if !event.dragging() {
7063 cx.stop_propagation();
7064 }
7065 } else {
7066 editor.scroll_manager.hide_minimap_thumb(cx);
7067 }
7068 mouse_position = event.position;
7069 });
7070 }
7071 });
7072
7073 if dragging_minimap {
7074 window.on_mouse_event({
7075 let editor = self.editor.clone();
7076 move |event: &MouseUpEvent, phase, window, cx| {
7077 if phase == DispatchPhase::Capture {
7078 return;
7079 }
7080
7081 editor.update(cx, |editor, cx| {
7082 if minimap_hitbox.is_hovered(window) {
7083 editor.scroll_manager.set_is_hovering_minimap_thumb(
7084 layout
7085 .thumb_layout
7086 .thumb_bounds
7087 .is_some_and(|bounds| bounds.contains(&event.position)),
7088 cx,
7089 );
7090 } else {
7091 editor.scroll_manager.hide_minimap_thumb(cx);
7092 }
7093 cx.stop_propagation();
7094 });
7095 }
7096 });
7097 } else {
7098 window.on_mouse_event({
7099 let editor = self.editor.clone();
7100
7101 move |event: &MouseDownEvent, phase, window, cx| {
7102 if phase == DispatchPhase::Capture || !minimap_hitbox.is_hovered(window) {
7103 return;
7104 }
7105
7106 let event_position = event.position;
7107
7108 let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds else {
7109 return;
7110 };
7111
7112 editor.update(cx, |editor, cx| {
7113 if !thumb_bounds.contains(&event_position) {
7114 let click_position =
7115 event_position.relative_to(&minimap_hitbox.origin).y;
7116
7117 let top_position = (click_position
7118 - thumb_bounds.size.along(minimap_axis) / 2.0)
7119 .max(Pixels::ZERO);
7120
7121 let scroll_offset = (layout.minimap_scroll_top
7122 + ScrollPixelOffset::from(
7123 top_position / layout.minimap_line_height,
7124 ))
7125 .min(layout.max_scroll_top);
7126
7127 let scroll_position = editor
7128 .scroll_position(cx)
7129 .apply_along(minimap_axis, |_| scroll_offset);
7130 editor.set_scroll_position(scroll_position, window, cx);
7131 }
7132
7133 editor.scroll_manager.set_is_dragging_minimap(cx);
7134 cx.stop_propagation();
7135 });
7136 }
7137 });
7138 }
7139 }
7140 }
7141
7142 fn paint_blocks(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
7143 for mut block in layout.blocks.drain(..) {
7144 if block.overlaps_gutter {
7145 block.element.paint(window, cx);
7146 } else {
7147 let mut bounds = layout.hitbox.bounds;
7148 bounds.origin.x += layout.gutter_hitbox.bounds.size.width;
7149 window.with_content_mask(Some(ContentMask { bounds }), |window| {
7150 block.element.paint(window, cx);
7151 })
7152 }
7153 }
7154 }
7155
7156 fn paint_edit_prediction_popover(
7157 &mut self,
7158 layout: &mut EditorLayout,
7159 window: &mut Window,
7160 cx: &mut App,
7161 ) {
7162 if let Some(edit_prediction_popover) = layout.edit_prediction_popover.as_mut() {
7163 edit_prediction_popover.paint(window, cx);
7164 }
7165 }
7166
7167 fn paint_mouse_context_menu(
7168 &mut self,
7169 layout: &mut EditorLayout,
7170 window: &mut Window,
7171 cx: &mut App,
7172 ) {
7173 if let Some(mouse_context_menu) = layout.mouse_context_menu.as_mut() {
7174 mouse_context_menu.paint(window, cx);
7175 }
7176 }
7177
7178 fn paint_scroll_wheel_listener(
7179 &mut self,
7180 layout: &EditorLayout,
7181 window: &mut Window,
7182 cx: &mut App,
7183 ) {
7184 window.on_mouse_event({
7185 let position_map = layout.position_map.clone();
7186 let editor = self.editor.clone();
7187 let hitbox = layout.hitbox.clone();
7188 let mut delta = ScrollDelta::default();
7189
7190 // Set a minimum scroll_sensitivity of 0.01 to make sure the user doesn't
7191 // accidentally turn off their scrolling.
7192 let base_scroll_sensitivity =
7193 EditorSettings::get_global(cx).scroll_sensitivity.max(0.01);
7194
7195 // Use a minimum fast_scroll_sensitivity for same reason above
7196 let fast_scroll_sensitivity = EditorSettings::get_global(cx)
7197 .fast_scroll_sensitivity
7198 .max(0.01);
7199
7200 move |event: &ScrollWheelEvent, phase, window, cx| {
7201 let scroll_sensitivity = {
7202 if event.modifiers.alt {
7203 fast_scroll_sensitivity
7204 } else {
7205 base_scroll_sensitivity
7206 }
7207 };
7208
7209 if phase == DispatchPhase::Bubble && hitbox.should_handle_scroll(window) {
7210 delta = delta.coalesce(event.delta);
7211 editor.update(cx, |editor, cx| {
7212 let position_map: &PositionMap = &position_map;
7213
7214 let line_height = position_map.line_height;
7215 let max_glyph_advance = position_map.em_advance;
7216 let (delta, axis) = match delta {
7217 gpui::ScrollDelta::Pixels(mut pixels) => {
7218 //Trackpad
7219 let axis = position_map.snapshot.ongoing_scroll.filter(&mut pixels);
7220 (pixels, axis)
7221 }
7222
7223 gpui::ScrollDelta::Lines(lines) => {
7224 //Not trackpad
7225 let pixels =
7226 point(lines.x * max_glyph_advance, lines.y * line_height);
7227 (pixels, None)
7228 }
7229 };
7230
7231 let current_scroll_position = position_map.snapshot.scroll_position();
7232 let x = (current_scroll_position.x
7233 * ScrollPixelOffset::from(max_glyph_advance)
7234 - ScrollPixelOffset::from(delta.x * scroll_sensitivity))
7235 / ScrollPixelOffset::from(max_glyph_advance);
7236
7237 let scale_factor = window.scale_factor();
7238 let y = (current_scroll_position.y
7239 * ScrollPixelOffset::from(line_height)
7240 * ScrollPixelOffset::from(scale_factor)
7241 - ScrollPixelOffset::from(delta.y * scroll_sensitivity))
7242 .round()
7243 / ScrollPixelOffset::from(line_height)
7244 / ScrollPixelOffset::from(scale_factor);
7245
7246 let mut scroll_position =
7247 point(x, y).clamp(&point(0., 0.), &position_map.scroll_max);
7248 let forbid_vertical_scroll = editor.scroll_manager.forbid_vertical_scroll();
7249 if forbid_vertical_scroll {
7250 scroll_position.y = current_scroll_position.y;
7251 }
7252
7253 if scroll_position != current_scroll_position {
7254 editor.scroll(scroll_position, axis, window, cx);
7255 cx.stop_propagation();
7256 } else if y < 0. {
7257 // Due to clamping, we may fail to detect cases of overscroll to the top;
7258 // We want the scroll manager to get an update in such cases and detect the change of direction
7259 // on the next frame.
7260 cx.notify();
7261 }
7262 });
7263 }
7264 }
7265 });
7266 }
7267
7268 fn paint_mouse_listeners(&mut self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
7269 if layout.mode.is_minimap() {
7270 return;
7271 }
7272
7273 self.paint_scroll_wheel_listener(layout, window, cx);
7274
7275 window.on_mouse_event({
7276 let position_map = layout.position_map.clone();
7277 let editor = self.editor.clone();
7278 let line_numbers = layout.line_numbers.clone();
7279
7280 move |event: &MouseDownEvent, phase, window, cx| {
7281 if phase == DispatchPhase::Bubble {
7282 match event.button {
7283 MouseButton::Left => editor.update(cx, |editor, cx| {
7284 let pending_mouse_down = editor
7285 .pending_mouse_down
7286 .get_or_insert_with(Default::default)
7287 .clone();
7288
7289 *pending_mouse_down.borrow_mut() = Some(event.clone());
7290
7291 Self::mouse_left_down(
7292 editor,
7293 event,
7294 &position_map,
7295 line_numbers.as_ref(),
7296 window,
7297 cx,
7298 );
7299 }),
7300 MouseButton::Right => editor.update(cx, |editor, cx| {
7301 Self::mouse_right_down(editor, event, &position_map, window, cx);
7302 }),
7303 MouseButton::Middle => editor.update(cx, |editor, cx| {
7304 Self::mouse_middle_down(editor, event, &position_map, window, cx);
7305 }),
7306 _ => {}
7307 };
7308 }
7309 }
7310 });
7311
7312 window.on_mouse_event({
7313 let editor = self.editor.clone();
7314 let position_map = layout.position_map.clone();
7315
7316 move |event: &MouseUpEvent, phase, window, cx| {
7317 if phase == DispatchPhase::Bubble {
7318 editor.update(cx, |editor, cx| {
7319 Self::mouse_up(editor, event, &position_map, window, cx)
7320 });
7321 }
7322 }
7323 });
7324
7325 window.on_mouse_event({
7326 let editor = self.editor.clone();
7327 let position_map = layout.position_map.clone();
7328 let mut captured_mouse_down = None;
7329
7330 move |event: &MouseUpEvent, phase, window, cx| match phase {
7331 // Clear the pending mouse down during the capture phase,
7332 // so that it happens even if another event handler stops
7333 // propagation.
7334 DispatchPhase::Capture => editor.update(cx, |editor, _cx| {
7335 let pending_mouse_down = editor
7336 .pending_mouse_down
7337 .get_or_insert_with(Default::default)
7338 .clone();
7339
7340 let mut pending_mouse_down = pending_mouse_down.borrow_mut();
7341 if pending_mouse_down.is_some() && position_map.text_hitbox.is_hovered(window) {
7342 captured_mouse_down = pending_mouse_down.take();
7343 window.refresh();
7344 }
7345 }),
7346 // Fire click handlers during the bubble phase.
7347 DispatchPhase::Bubble => editor.update(cx, |editor, cx| {
7348 if let Some(mouse_down) = captured_mouse_down.take() {
7349 let event = ClickEvent::Mouse(MouseClickEvent {
7350 down: mouse_down,
7351 up: event.clone(),
7352 });
7353 Self::click(editor, &event, &position_map, window, cx);
7354 }
7355 }),
7356 }
7357 });
7358
7359 window.on_mouse_event({
7360 let position_map = layout.position_map.clone();
7361 let editor = self.editor.clone();
7362
7363 move |event: &MouseMoveEvent, phase, window, cx| {
7364 if phase == DispatchPhase::Bubble {
7365 editor.update(cx, |editor, cx| {
7366 if editor.hover_state.focused(window, cx) {
7367 return;
7368 }
7369 if event.pressed_button == Some(MouseButton::Left)
7370 || event.pressed_button == Some(MouseButton::Middle)
7371 {
7372 Self::mouse_dragged(editor, event, &position_map, window, cx)
7373 }
7374
7375 Self::mouse_moved(editor, event, &position_map, window, cx)
7376 });
7377 }
7378 }
7379 });
7380 }
7381
7382 fn column_pixels(&self, column: usize, window: &Window) -> Pixels {
7383 let style = &self.style;
7384 let font_size = style.text.font_size.to_pixels(window.rem_size());
7385 let layout = window.text_system().shape_line(
7386 SharedString::from(" ".repeat(column)),
7387 font_size,
7388 &[TextRun {
7389 len: column,
7390 font: style.text.font(),
7391 color: Hsla::default(),
7392 background_color: None,
7393 underline: None,
7394 strikethrough: None,
7395 }],
7396 None,
7397 );
7398
7399 layout.width
7400 }
7401
7402 fn max_line_number_width(&self, snapshot: &EditorSnapshot, window: &mut Window) -> Pixels {
7403 let digit_count = snapshot.widest_line_number().ilog10() + 1;
7404 self.column_pixels(digit_count as usize, window)
7405 }
7406
7407 fn shape_line_number(
7408 &self,
7409 text: SharedString,
7410 color: Hsla,
7411 window: &mut Window,
7412 ) -> ShapedLine {
7413 let run = TextRun {
7414 len: text.len(),
7415 font: self.style.text.font(),
7416 color,
7417 background_color: None,
7418 underline: None,
7419 strikethrough: None,
7420 };
7421 window.text_system().shape_line(
7422 text,
7423 self.style.text.font_size.to_pixels(window.rem_size()),
7424 &[run],
7425 None,
7426 )
7427 }
7428
7429 fn diff_hunk_hollow(status: DiffHunkStatus, cx: &mut App) -> bool {
7430 let unstaged = status.has_secondary_hunk();
7431 let unstaged_hollow = matches!(
7432 ProjectSettings::get_global(cx).git.hunk_style,
7433 GitHunkStyleSetting::UnstagedHollow
7434 );
7435
7436 unstaged == unstaged_hollow
7437 }
7438
7439 #[cfg(debug_assertions)]
7440 fn layout_debug_ranges(
7441 selections: &mut Vec<(PlayerColor, Vec<SelectionLayout>)>,
7442 anchor_range: Range<Anchor>,
7443 display_snapshot: &DisplaySnapshot,
7444 cx: &App,
7445 ) {
7446 let theme = cx.theme();
7447 text::debug::GlobalDebugRanges::with_locked(|debug_ranges| {
7448 if debug_ranges.ranges.is_empty() {
7449 return;
7450 }
7451 let buffer_snapshot = &display_snapshot.buffer_snapshot();
7452 for (buffer, buffer_range, excerpt_id) in
7453 buffer_snapshot.range_to_buffer_ranges(anchor_range)
7454 {
7455 let buffer_range =
7456 buffer.anchor_after(buffer_range.start)..buffer.anchor_before(buffer_range.end);
7457 selections.extend(debug_ranges.ranges.iter().flat_map(|debug_range| {
7458 let player_color = theme
7459 .players()
7460 .color_for_participant(debug_range.occurrence_index as u32 + 1);
7461 debug_range.ranges.iter().filter_map(move |range| {
7462 if range.start.buffer_id != Some(buffer.remote_id()) {
7463 return None;
7464 }
7465 let clipped_start = range.start.max(&buffer_range.start, buffer);
7466 let clipped_end = range.end.min(&buffer_range.end, buffer);
7467 let range = buffer_snapshot
7468 .anchor_range_in_excerpt(excerpt_id, *clipped_start..*clipped_end)?;
7469 let start = range.start.to_display_point(display_snapshot);
7470 let end = range.end.to_display_point(display_snapshot);
7471 let selection_layout = SelectionLayout {
7472 head: start,
7473 range: start..end,
7474 cursor_shape: CursorShape::Bar,
7475 is_newest: false,
7476 is_local: false,
7477 active_rows: start.row()..end.row(),
7478 user_name: Some(SharedString::new(debug_range.value.clone())),
7479 };
7480 Some((player_color, vec![selection_layout]))
7481 })
7482 }));
7483 }
7484 });
7485 }
7486}
7487
7488fn header_jump_data(
7489 snapshot: &EditorSnapshot,
7490 block_row_start: DisplayRow,
7491 height: u32,
7492 for_excerpt: &ExcerptInfo,
7493) -> JumpData {
7494 let range = &for_excerpt.range;
7495 let buffer = &for_excerpt.buffer;
7496 let jump_anchor = range.primary.start;
7497
7498 let excerpt_start = range.context.start;
7499 let jump_position = language::ToPoint::to_point(&jump_anchor, buffer);
7500 let rows_from_excerpt_start = if jump_anchor == excerpt_start {
7501 0
7502 } else {
7503 let excerpt_start_point = language::ToPoint::to_point(&excerpt_start, buffer);
7504 jump_position.row.saturating_sub(excerpt_start_point.row)
7505 };
7506
7507 let line_offset_from_top = (block_row_start.0 + height + rows_from_excerpt_start)
7508 .saturating_sub(
7509 snapshot
7510 .scroll_anchor
7511 .scroll_position(&snapshot.display_snapshot)
7512 .y as u32,
7513 );
7514
7515 JumpData::MultiBufferPoint {
7516 excerpt_id: for_excerpt.id,
7517 anchor: jump_anchor,
7518 position: jump_position,
7519 line_offset_from_top,
7520 }
7521}
7522
7523pub struct AcceptEditPredictionBinding(pub(crate) Option<gpui::KeyBinding>);
7524
7525impl AcceptEditPredictionBinding {
7526 pub fn keystroke(&self) -> Option<&KeybindingKeystroke> {
7527 if let Some(binding) = self.0.as_ref() {
7528 match &binding.keystrokes() {
7529 [keystroke, ..] => Some(keystroke),
7530 _ => None,
7531 }
7532 } else {
7533 None
7534 }
7535 }
7536}
7537
7538fn prepaint_gutter_button(
7539 button: IconButton,
7540 row: DisplayRow,
7541 line_height: Pixels,
7542 gutter_dimensions: &GutterDimensions,
7543 scroll_position: gpui::Point<ScrollOffset>,
7544 gutter_hitbox: &Hitbox,
7545 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
7546 window: &mut Window,
7547 cx: &mut App,
7548) -> AnyElement {
7549 let mut button = button.into_any_element();
7550
7551 let available_space = size(
7552 AvailableSpace::MinContent,
7553 AvailableSpace::Definite(line_height),
7554 );
7555 let indicator_size = button.layout_as_root(available_space, window, cx);
7556
7557 let blame_width = gutter_dimensions.git_blame_entries_width;
7558 let gutter_width = display_hunks
7559 .binary_search_by(|(hunk, _)| match hunk {
7560 DisplayDiffHunk::Folded { display_row } => display_row.cmp(&row),
7561 DisplayDiffHunk::Unfolded {
7562 display_row_range, ..
7563 } => {
7564 if display_row_range.end <= row {
7565 Ordering::Less
7566 } else if display_row_range.start > row {
7567 Ordering::Greater
7568 } else {
7569 Ordering::Equal
7570 }
7571 }
7572 })
7573 .ok()
7574 .and_then(|ix| Some(display_hunks[ix].1.as_ref()?.size.width));
7575 let left_offset = blame_width.max(gutter_width).unwrap_or_default();
7576
7577 let mut x = left_offset;
7578 let available_width = gutter_dimensions.margin + gutter_dimensions.left_padding
7579 - indicator_size.width
7580 - left_offset;
7581 x += available_width / 2.;
7582
7583 let mut y =
7584 Pixels::from((row.as_f64() - scroll_position.y) * ScrollPixelOffset::from(line_height));
7585 y += (line_height - indicator_size.height) / 2.;
7586
7587 button.prepaint_as_root(
7588 gutter_hitbox.origin + point(x, y),
7589 available_space,
7590 window,
7591 cx,
7592 );
7593 button
7594}
7595
7596fn render_inline_blame_entry(
7597 blame_entry: BlameEntry,
7598 style: &EditorStyle,
7599 cx: &mut App,
7600) -> Option<AnyElement> {
7601 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7602 renderer.render_inline_blame_entry(&style.text, blame_entry, cx)
7603}
7604
7605fn render_blame_entry_popover(
7606 blame_entry: BlameEntry,
7607 scroll_handle: ScrollHandle,
7608 commit_message: Option<ParsedCommitMessage>,
7609 markdown: Entity<Markdown>,
7610 workspace: WeakEntity<Workspace>,
7611 blame: &Entity<GitBlame>,
7612 buffer: BufferId,
7613 window: &mut Window,
7614 cx: &mut App,
7615) -> Option<AnyElement> {
7616 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7617 let blame = blame.read(cx);
7618 let repository = blame.repository(cx, buffer)?;
7619 renderer.render_blame_entry_popover(
7620 blame_entry,
7621 scroll_handle,
7622 commit_message,
7623 markdown,
7624 repository,
7625 workspace,
7626 window,
7627 cx,
7628 )
7629}
7630
7631fn render_blame_entry(
7632 ix: usize,
7633 blame: &Entity<GitBlame>,
7634 blame_entry: BlameEntry,
7635 style: &EditorStyle,
7636 last_used_color: &mut Option<(Hsla, Oid)>,
7637 editor: Entity<Editor>,
7638 workspace: Entity<Workspace>,
7639 buffer: BufferId,
7640 renderer: &dyn BlameRenderer,
7641 window: &mut Window,
7642 cx: &mut App,
7643) -> Option<AnyElement> {
7644 let index: u32 = blame_entry.sha.into();
7645 let mut sha_color = cx.theme().players().color_for_participant(index).cursor;
7646
7647 // If the last color we used is the same as the one we get for this line, but
7648 // the commit SHAs are different, then we try again to get a different color.
7649 if let Some((color, sha)) = *last_used_color
7650 && sha != blame_entry.sha
7651 && color == sha_color
7652 {
7653 sha_color = cx.theme().players().color_for_participant(index + 1).cursor;
7654 }
7655 last_used_color.replace((sha_color, blame_entry.sha));
7656
7657 let blame = blame.read(cx);
7658 let details = blame.details_for_entry(buffer, &blame_entry);
7659 let repository = blame.repository(cx, buffer)?;
7660 renderer.render_blame_entry(
7661 &style.text,
7662 blame_entry,
7663 details,
7664 repository,
7665 workspace.downgrade(),
7666 editor,
7667 ix,
7668 sha_color,
7669 window,
7670 cx,
7671 )
7672}
7673
7674#[derive(Debug)]
7675pub(crate) struct LineWithInvisibles {
7676 fragments: SmallVec<[LineFragment; 1]>,
7677 invisibles: Vec<Invisible>,
7678 len: usize,
7679 pub(crate) width: Pixels,
7680 font_size: Pixels,
7681}
7682
7683enum LineFragment {
7684 Text(ShapedLine),
7685 Element {
7686 id: ChunkRendererId,
7687 element: Option<AnyElement>,
7688 size: Size<Pixels>,
7689 len: usize,
7690 },
7691}
7692
7693impl fmt::Debug for LineFragment {
7694 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
7695 match self {
7696 LineFragment::Text(shaped_line) => f.debug_tuple("Text").field(shaped_line).finish(),
7697 LineFragment::Element { size, len, .. } => f
7698 .debug_struct("Element")
7699 .field("size", size)
7700 .field("len", len)
7701 .finish(),
7702 }
7703 }
7704}
7705
7706impl LineWithInvisibles {
7707 fn from_chunks<'a>(
7708 chunks: impl Iterator<Item = HighlightedChunk<'a>>,
7709 editor_style: &EditorStyle,
7710 max_line_len: usize,
7711 max_line_count: usize,
7712 editor_mode: &EditorMode,
7713 text_width: Pixels,
7714 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
7715 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
7716 window: &mut Window,
7717 cx: &mut App,
7718 ) -> Vec<Self> {
7719 let text_style = &editor_style.text;
7720 let mut layouts = Vec::with_capacity(max_line_count);
7721 let mut fragments: SmallVec<[LineFragment; 1]> = SmallVec::new();
7722 let mut line = String::new();
7723 let mut invisibles = Vec::new();
7724 let mut width = Pixels::ZERO;
7725 let mut len = 0;
7726 let mut styles = Vec::new();
7727 let mut non_whitespace_added = false;
7728 let mut row = 0;
7729 let mut line_exceeded_max_len = false;
7730 let font_size = text_style.font_size.to_pixels(window.rem_size());
7731 let min_contrast = EditorSettings::get_global(cx).minimum_contrast_for_highlights;
7732
7733 let ellipsis = SharedString::from("β―");
7734
7735 for highlighted_chunk in chunks.chain([HighlightedChunk {
7736 text: "\n",
7737 style: None,
7738 is_tab: false,
7739 is_inlay: false,
7740 replacement: None,
7741 }]) {
7742 if let Some(replacement) = highlighted_chunk.replacement {
7743 if !line.is_empty() {
7744 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7745 let text_runs: &[TextRun] = if segments.is_empty() {
7746 &styles
7747 } else {
7748 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
7749 };
7750 let shaped_line = window.text_system().shape_line(
7751 line.clone().into(),
7752 font_size,
7753 text_runs,
7754 None,
7755 );
7756 width += shaped_line.width;
7757 len += shaped_line.len;
7758 fragments.push(LineFragment::Text(shaped_line));
7759 line.clear();
7760 styles.clear();
7761 }
7762
7763 match replacement {
7764 ChunkReplacement::Renderer(renderer) => {
7765 let available_width = if renderer.constrain_width {
7766 let chunk = if highlighted_chunk.text == ellipsis.as_ref() {
7767 ellipsis.clone()
7768 } else {
7769 SharedString::from(Arc::from(highlighted_chunk.text))
7770 };
7771 let shaped_line = window.text_system().shape_line(
7772 chunk,
7773 font_size,
7774 &[text_style.to_run(highlighted_chunk.text.len())],
7775 None,
7776 );
7777 AvailableSpace::Definite(shaped_line.width)
7778 } else {
7779 AvailableSpace::MinContent
7780 };
7781
7782 let mut element = (renderer.render)(&mut ChunkRendererContext {
7783 context: cx,
7784 window,
7785 max_width: text_width,
7786 });
7787 let line_height = text_style.line_height_in_pixels(window.rem_size());
7788 let size = element.layout_as_root(
7789 size(available_width, AvailableSpace::Definite(line_height)),
7790 window,
7791 cx,
7792 );
7793
7794 width += size.width;
7795 len += highlighted_chunk.text.len();
7796 fragments.push(LineFragment::Element {
7797 id: renderer.id,
7798 element: Some(element),
7799 size,
7800 len: highlighted_chunk.text.len(),
7801 });
7802 }
7803 ChunkReplacement::Str(x) => {
7804 let text_style = if let Some(style) = highlighted_chunk.style {
7805 Cow::Owned(text_style.clone().highlight(style))
7806 } else {
7807 Cow::Borrowed(text_style)
7808 };
7809
7810 let run = TextRun {
7811 len: x.len(),
7812 font: text_style.font(),
7813 color: text_style.color,
7814 background_color: text_style.background_color,
7815 underline: text_style.underline,
7816 strikethrough: text_style.strikethrough,
7817 };
7818 let line_layout = window
7819 .text_system()
7820 .shape_line(x, font_size, &[run], None)
7821 .with_len(highlighted_chunk.text.len());
7822
7823 width += line_layout.width;
7824 len += highlighted_chunk.text.len();
7825 fragments.push(LineFragment::Text(line_layout))
7826 }
7827 }
7828 } else {
7829 for (ix, mut line_chunk) in highlighted_chunk.text.split('\n').enumerate() {
7830 if ix > 0 {
7831 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7832 let text_runs = if segments.is_empty() {
7833 &styles
7834 } else {
7835 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
7836 };
7837 let shaped_line = window.text_system().shape_line(
7838 line.clone().into(),
7839 font_size,
7840 text_runs,
7841 None,
7842 );
7843 width += shaped_line.width;
7844 len += shaped_line.len;
7845 fragments.push(LineFragment::Text(shaped_line));
7846 layouts.push(Self {
7847 width: mem::take(&mut width),
7848 len: mem::take(&mut len),
7849 fragments: mem::take(&mut fragments),
7850 invisibles: std::mem::take(&mut invisibles),
7851 font_size,
7852 });
7853
7854 line.clear();
7855 styles.clear();
7856 row += 1;
7857 line_exceeded_max_len = false;
7858 non_whitespace_added = false;
7859 if row == max_line_count {
7860 return layouts;
7861 }
7862 }
7863
7864 if !line_chunk.is_empty() && !line_exceeded_max_len {
7865 let text_style = if let Some(style) = highlighted_chunk.style {
7866 Cow::Owned(text_style.clone().highlight(style))
7867 } else {
7868 Cow::Borrowed(text_style)
7869 };
7870
7871 if line.len() + line_chunk.len() > max_line_len {
7872 let mut chunk_len = max_line_len - line.len();
7873 while !line_chunk.is_char_boundary(chunk_len) {
7874 chunk_len -= 1;
7875 }
7876 line_chunk = &line_chunk[..chunk_len];
7877 line_exceeded_max_len = true;
7878 }
7879
7880 styles.push(TextRun {
7881 len: line_chunk.len(),
7882 font: text_style.font(),
7883 color: text_style.color,
7884 background_color: text_style.background_color,
7885 underline: text_style.underline,
7886 strikethrough: text_style.strikethrough,
7887 });
7888
7889 if editor_mode.is_full() && !highlighted_chunk.is_inlay {
7890 // Line wrap pads its contents with fake whitespaces,
7891 // avoid printing them
7892 let is_soft_wrapped = is_row_soft_wrapped(row);
7893 if highlighted_chunk.is_tab {
7894 if non_whitespace_added || !is_soft_wrapped {
7895 invisibles.push(Invisible::Tab {
7896 line_start_offset: line.len(),
7897 line_end_offset: line.len() + line_chunk.len(),
7898 });
7899 }
7900 } else {
7901 invisibles.extend(line_chunk.char_indices().filter_map(
7902 |(index, c)| {
7903 let is_whitespace = c.is_whitespace();
7904 non_whitespace_added |= !is_whitespace;
7905 if is_whitespace
7906 && (non_whitespace_added || !is_soft_wrapped)
7907 {
7908 Some(Invisible::Whitespace {
7909 line_offset: line.len() + index,
7910 })
7911 } else {
7912 None
7913 }
7914 },
7915 ))
7916 }
7917 }
7918
7919 line.push_str(line_chunk);
7920 }
7921 }
7922 }
7923 }
7924
7925 layouts
7926 }
7927
7928 /// Takes text runs and non-overlapping left-to-right background ranges with color.
7929 /// Returns new text runs with adjusted contrast as per background ranges.
7930 fn split_runs_by_bg_segments(
7931 text_runs: &[TextRun],
7932 bg_segments: &[(Range<DisplayPoint>, Hsla)],
7933 min_contrast: f32,
7934 start_col_offset: usize,
7935 ) -> Vec<TextRun> {
7936 let mut output_runs: Vec<TextRun> = Vec::with_capacity(text_runs.len());
7937 let mut line_col = start_col_offset;
7938 let mut segment_ix = 0usize;
7939
7940 for text_run in text_runs.iter() {
7941 let run_start_col = line_col;
7942 let run_end_col = run_start_col + text_run.len;
7943 while segment_ix < bg_segments.len()
7944 && (bg_segments[segment_ix].0.end.column() as usize) <= run_start_col
7945 {
7946 segment_ix += 1;
7947 }
7948 let mut cursor_col = run_start_col;
7949 let mut local_segment_ix = segment_ix;
7950 while local_segment_ix < bg_segments.len() {
7951 let (range, segment_color) = &bg_segments[local_segment_ix];
7952 let segment_start_col = range.start.column() as usize;
7953 let segment_end_col = range.end.column() as usize;
7954 if segment_start_col >= run_end_col {
7955 break;
7956 }
7957 if segment_start_col > cursor_col {
7958 let span_len = segment_start_col - cursor_col;
7959 output_runs.push(TextRun {
7960 len: span_len,
7961 font: text_run.font.clone(),
7962 color: text_run.color,
7963 background_color: text_run.background_color,
7964 underline: text_run.underline,
7965 strikethrough: text_run.strikethrough,
7966 });
7967 cursor_col = segment_start_col;
7968 }
7969 let segment_slice_end_col = segment_end_col.min(run_end_col);
7970 if segment_slice_end_col > cursor_col {
7971 let new_text_color =
7972 ensure_minimum_contrast(text_run.color, *segment_color, min_contrast);
7973 output_runs.push(TextRun {
7974 len: segment_slice_end_col - cursor_col,
7975 font: text_run.font.clone(),
7976 color: new_text_color,
7977 background_color: text_run.background_color,
7978 underline: text_run.underline,
7979 strikethrough: text_run.strikethrough,
7980 });
7981 cursor_col = segment_slice_end_col;
7982 }
7983 if segment_end_col >= run_end_col {
7984 break;
7985 }
7986 local_segment_ix += 1;
7987 }
7988 if cursor_col < run_end_col {
7989 output_runs.push(TextRun {
7990 len: run_end_col - cursor_col,
7991 font: text_run.font.clone(),
7992 color: text_run.color,
7993 background_color: text_run.background_color,
7994 underline: text_run.underline,
7995 strikethrough: text_run.strikethrough,
7996 });
7997 }
7998 line_col = run_end_col;
7999 segment_ix = local_segment_ix;
8000 }
8001 output_runs
8002 }
8003
8004 fn prepaint(
8005 &mut self,
8006 line_height: Pixels,
8007 scroll_position: gpui::Point<ScrollOffset>,
8008 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
8009 row: DisplayRow,
8010 content_origin: gpui::Point<Pixels>,
8011 line_elements: &mut SmallVec<[AnyElement; 1]>,
8012 window: &mut Window,
8013 cx: &mut App,
8014 ) {
8015 let line_y = f32::from(line_height) * Pixels::from(row.as_f64() - scroll_position.y);
8016 let mut fragment_origin =
8017 content_origin + gpui::point(Pixels::from(-scroll_pixel_position.x), line_y);
8018 for fragment in &mut self.fragments {
8019 match fragment {
8020 LineFragment::Text(line) => {
8021 fragment_origin.x += line.width;
8022 }
8023 LineFragment::Element { element, size, .. } => {
8024 let mut element = element
8025 .take()
8026 .expect("you can't prepaint LineWithInvisibles twice");
8027
8028 // Center the element vertically within the line.
8029 let mut element_origin = fragment_origin;
8030 element_origin.y += (line_height - size.height) / 2.;
8031 element.prepaint_at(element_origin, window, cx);
8032 line_elements.push(element);
8033
8034 fragment_origin.x += size.width;
8035 }
8036 }
8037 }
8038 }
8039
8040 fn draw(
8041 &self,
8042 layout: &EditorLayout,
8043 row: DisplayRow,
8044 content_origin: gpui::Point<Pixels>,
8045 whitespace_setting: ShowWhitespaceSetting,
8046 selection_ranges: &[Range<DisplayPoint>],
8047 window: &mut Window,
8048 cx: &mut App,
8049 ) {
8050 let line_height = layout.position_map.line_height;
8051 let line_y = line_height * (row.as_f64() - layout.position_map.scroll_position.y) as f32;
8052
8053 let mut fragment_origin = content_origin
8054 + gpui::point(
8055 Pixels::from(-layout.position_map.scroll_pixel_position.x),
8056 line_y,
8057 );
8058
8059 for fragment in &self.fragments {
8060 match fragment {
8061 LineFragment::Text(line) => {
8062 line.paint(fragment_origin, line_height, window, cx)
8063 .log_err();
8064 fragment_origin.x += line.width;
8065 }
8066 LineFragment::Element { size, .. } => {
8067 fragment_origin.x += size.width;
8068 }
8069 }
8070 }
8071
8072 self.draw_invisibles(
8073 selection_ranges,
8074 layout,
8075 content_origin,
8076 line_y,
8077 row,
8078 line_height,
8079 whitespace_setting,
8080 window,
8081 cx,
8082 );
8083 }
8084
8085 fn draw_background(
8086 &self,
8087 layout: &EditorLayout,
8088 row: DisplayRow,
8089 content_origin: gpui::Point<Pixels>,
8090 window: &mut Window,
8091 cx: &mut App,
8092 ) {
8093 let line_height = layout.position_map.line_height;
8094 let line_y = line_height * (row.as_f64() - layout.position_map.scroll_position.y) as f32;
8095
8096 let mut fragment_origin = content_origin
8097 + gpui::point(
8098 Pixels::from(-layout.position_map.scroll_pixel_position.x),
8099 line_y,
8100 );
8101
8102 for fragment in &self.fragments {
8103 match fragment {
8104 LineFragment::Text(line) => {
8105 line.paint_background(fragment_origin, line_height, window, cx)
8106 .log_err();
8107 fragment_origin.x += line.width;
8108 }
8109 LineFragment::Element { size, .. } => {
8110 fragment_origin.x += size.width;
8111 }
8112 }
8113 }
8114 }
8115
8116 fn draw_invisibles(
8117 &self,
8118 selection_ranges: &[Range<DisplayPoint>],
8119 layout: &EditorLayout,
8120 content_origin: gpui::Point<Pixels>,
8121 line_y: Pixels,
8122 row: DisplayRow,
8123 line_height: Pixels,
8124 whitespace_setting: ShowWhitespaceSetting,
8125 window: &mut Window,
8126 cx: &mut App,
8127 ) {
8128 let extract_whitespace_info = |invisible: &Invisible| {
8129 let (token_offset, token_end_offset, invisible_symbol) = match invisible {
8130 Invisible::Tab {
8131 line_start_offset,
8132 line_end_offset,
8133 } => (*line_start_offset, *line_end_offset, &layout.tab_invisible),
8134 Invisible::Whitespace { line_offset } => {
8135 (*line_offset, line_offset + 1, &layout.space_invisible)
8136 }
8137 };
8138
8139 let x_offset: ScrollPixelOffset = self.x_for_index(token_offset).into();
8140 let invisible_offset: ScrollPixelOffset =
8141 ((layout.position_map.em_width - invisible_symbol.width).max(Pixels::ZERO) / 2.0)
8142 .into();
8143 let origin = content_origin
8144 + gpui::point(
8145 Pixels::from(
8146 x_offset + invisible_offset - layout.position_map.scroll_pixel_position.x,
8147 ),
8148 line_y,
8149 );
8150
8151 (
8152 [token_offset, token_end_offset],
8153 Box::new(move |window: &mut Window, cx: &mut App| {
8154 invisible_symbol
8155 .paint(origin, line_height, window, cx)
8156 .log_err();
8157 }),
8158 )
8159 };
8160
8161 let invisible_iter = self.invisibles.iter().map(extract_whitespace_info);
8162 match whitespace_setting {
8163 ShowWhitespaceSetting::None => (),
8164 ShowWhitespaceSetting::All => invisible_iter.for_each(|(_, paint)| paint(window, cx)),
8165 ShowWhitespaceSetting::Selection => invisible_iter.for_each(|([start, _], paint)| {
8166 let invisible_point = DisplayPoint::new(row, start as u32);
8167 if !selection_ranges
8168 .iter()
8169 .any(|region| region.start <= invisible_point && invisible_point < region.end)
8170 {
8171 return;
8172 }
8173
8174 paint(window, cx);
8175 }),
8176
8177 ShowWhitespaceSetting::Trailing => {
8178 let mut previous_start = self.len;
8179 for ([start, end], paint) in invisible_iter.rev() {
8180 if previous_start != end {
8181 break;
8182 }
8183 previous_start = start;
8184 paint(window, cx);
8185 }
8186 }
8187
8188 // For a whitespace to be on a boundary, any of the following conditions need to be met:
8189 // - It is a tab
8190 // - It is adjacent to an edge (start or end)
8191 // - It is adjacent to a whitespace (left or right)
8192 ShowWhitespaceSetting::Boundary => {
8193 // 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
8194 // the above cases.
8195 // Note: We zip in the original `invisibles` to check for tab equality
8196 let mut last_seen: Option<(bool, usize, Box<dyn Fn(&mut Window, &mut App)>)> = None;
8197 for (([start, end], paint), invisible) in
8198 invisible_iter.zip_eq(self.invisibles.iter())
8199 {
8200 let should_render = match (&last_seen, invisible) {
8201 (_, Invisible::Tab { .. }) => true,
8202 (Some((_, last_end, _)), _) => *last_end == start,
8203 _ => false,
8204 };
8205
8206 if should_render || start == 0 || end == self.len {
8207 paint(window, cx);
8208
8209 // Since we are scanning from the left, we will skip over the first available whitespace that is part
8210 // of a boundary between non-whitespace segments, so we correct by manually redrawing it if needed.
8211 if let Some((should_render_last, last_end, paint_last)) = last_seen {
8212 // Note that we need to make sure that the last one is actually adjacent
8213 if !should_render_last && last_end == start {
8214 paint_last(window, cx);
8215 }
8216 }
8217 }
8218
8219 // Manually render anything within a selection
8220 let invisible_point = DisplayPoint::new(row, start as u32);
8221 if selection_ranges.iter().any(|region| {
8222 region.start <= invisible_point && invisible_point < region.end
8223 }) {
8224 paint(window, cx);
8225 }
8226
8227 last_seen = Some((should_render, end, paint));
8228 }
8229 }
8230 }
8231 }
8232
8233 pub fn x_for_index(&self, index: usize) -> Pixels {
8234 let mut fragment_start_x = Pixels::ZERO;
8235 let mut fragment_start_index = 0;
8236
8237 for fragment in &self.fragments {
8238 match fragment {
8239 LineFragment::Text(shaped_line) => {
8240 let fragment_end_index = fragment_start_index + shaped_line.len;
8241 if index < fragment_end_index {
8242 return fragment_start_x
8243 + shaped_line.x_for_index(index - fragment_start_index);
8244 }
8245 fragment_start_x += shaped_line.width;
8246 fragment_start_index = fragment_end_index;
8247 }
8248 LineFragment::Element { len, size, .. } => {
8249 let fragment_end_index = fragment_start_index + len;
8250 if index < fragment_end_index {
8251 return fragment_start_x;
8252 }
8253 fragment_start_x += size.width;
8254 fragment_start_index = fragment_end_index;
8255 }
8256 }
8257 }
8258
8259 fragment_start_x
8260 }
8261
8262 pub fn index_for_x(&self, x: Pixels) -> Option<usize> {
8263 let mut fragment_start_x = Pixels::ZERO;
8264 let mut fragment_start_index = 0;
8265
8266 for fragment in &self.fragments {
8267 match fragment {
8268 LineFragment::Text(shaped_line) => {
8269 let fragment_end_x = fragment_start_x + shaped_line.width;
8270 if x < fragment_end_x {
8271 return Some(
8272 fragment_start_index + shaped_line.index_for_x(x - fragment_start_x)?,
8273 );
8274 }
8275 fragment_start_x = fragment_end_x;
8276 fragment_start_index += shaped_line.len;
8277 }
8278 LineFragment::Element { len, size, .. } => {
8279 let fragment_end_x = fragment_start_x + size.width;
8280 if x < fragment_end_x {
8281 return Some(fragment_start_index);
8282 }
8283 fragment_start_index += len;
8284 fragment_start_x = fragment_end_x;
8285 }
8286 }
8287 }
8288
8289 None
8290 }
8291
8292 pub fn font_id_for_index(&self, index: usize) -> Option<FontId> {
8293 let mut fragment_start_index = 0;
8294
8295 for fragment in &self.fragments {
8296 match fragment {
8297 LineFragment::Text(shaped_line) => {
8298 let fragment_end_index = fragment_start_index + shaped_line.len;
8299 if index < fragment_end_index {
8300 return shaped_line.font_id_for_index(index - fragment_start_index);
8301 }
8302 fragment_start_index = fragment_end_index;
8303 }
8304 LineFragment::Element { len, .. } => {
8305 let fragment_end_index = fragment_start_index + len;
8306 if index < fragment_end_index {
8307 return None;
8308 }
8309 fragment_start_index = fragment_end_index;
8310 }
8311 }
8312 }
8313
8314 None
8315 }
8316}
8317
8318#[derive(Debug, Clone, Copy, PartialEq, Eq)]
8319enum Invisible {
8320 /// A tab character
8321 ///
8322 /// A tab character is internally represented by spaces (configured by the user's tab width)
8323 /// aligned to the nearest column, so it's necessary to store the start and end offset for
8324 /// adjacency checks.
8325 Tab {
8326 line_start_offset: usize,
8327 line_end_offset: usize,
8328 },
8329 Whitespace {
8330 line_offset: usize,
8331 },
8332}
8333
8334impl EditorElement {
8335 /// Returns the rem size to use when rendering the [`EditorElement`].
8336 ///
8337 /// This allows UI elements to scale based on the `buffer_font_size`.
8338 fn rem_size(&self, cx: &mut App) -> Option<Pixels> {
8339 match self.editor.read(cx).mode {
8340 EditorMode::Full {
8341 scale_ui_elements_with_buffer_font_size: true,
8342 ..
8343 }
8344 | EditorMode::Minimap { .. } => {
8345 let buffer_font_size = self.style.text.font_size;
8346 match buffer_font_size {
8347 AbsoluteLength::Pixels(pixels) => {
8348 let rem_size_scale = {
8349 // Our default UI font size is 14px on a 16px base scale.
8350 // This means the default UI font size is 0.875rems.
8351 let default_font_size_scale = 14. / ui::BASE_REM_SIZE_IN_PX;
8352
8353 // We then determine the delta between a single rem and the default font
8354 // size scale.
8355 let default_font_size_delta = 1. - default_font_size_scale;
8356
8357 // Finally, we add this delta to 1rem to get the scale factor that
8358 // should be used to scale up the UI.
8359 1. + default_font_size_delta
8360 };
8361
8362 Some(pixels * rem_size_scale)
8363 }
8364 AbsoluteLength::Rems(rems) => {
8365 Some(rems.to_pixels(ui::BASE_REM_SIZE_IN_PX.into()))
8366 }
8367 }
8368 }
8369 // We currently use single-line and auto-height editors in UI contexts,
8370 // so we don't want to scale everything with the buffer font size, as it
8371 // ends up looking off.
8372 _ => None,
8373 }
8374 }
8375
8376 fn editor_with_selections(&self, cx: &App) -> Option<Entity<Editor>> {
8377 if let EditorMode::Minimap { parent } = self.editor.read(cx).mode() {
8378 parent.upgrade()
8379 } else {
8380 Some(self.editor.clone())
8381 }
8382 }
8383}
8384
8385impl Element for EditorElement {
8386 type RequestLayoutState = ();
8387 type PrepaintState = EditorLayout;
8388
8389 fn id(&self) -> Option<ElementId> {
8390 None
8391 }
8392
8393 fn source_location(&self) -> Option<&'static core::panic::Location<'static>> {
8394 None
8395 }
8396
8397 fn request_layout(
8398 &mut self,
8399 _: Option<&GlobalElementId>,
8400 _inspector_id: Option<&gpui::InspectorElementId>,
8401 window: &mut Window,
8402 cx: &mut App,
8403 ) -> (gpui::LayoutId, ()) {
8404 let rem_size = self.rem_size(cx);
8405 window.with_rem_size(rem_size, |window| {
8406 self.editor.update(cx, |editor, cx| {
8407 editor.set_style(self.style.clone(), window, cx);
8408
8409 let layout_id = match editor.mode {
8410 EditorMode::SingleLine => {
8411 let rem_size = window.rem_size();
8412 let height = self.style.text.line_height_in_pixels(rem_size);
8413 let mut style = Style::default();
8414 style.size.height = height.into();
8415 style.size.width = relative(1.).into();
8416 window.request_layout(style, None, cx)
8417 }
8418 EditorMode::AutoHeight {
8419 min_lines,
8420 max_lines,
8421 } => {
8422 let editor_handle = cx.entity();
8423 let max_line_number_width =
8424 self.max_line_number_width(&editor.snapshot(window, cx), window);
8425 window.request_measured_layout(
8426 Style::default(),
8427 move |known_dimensions, available_space, window, cx| {
8428 editor_handle
8429 .update(cx, |editor, cx| {
8430 compute_auto_height_layout(
8431 editor,
8432 min_lines,
8433 max_lines,
8434 max_line_number_width,
8435 known_dimensions,
8436 available_space.width,
8437 window,
8438 cx,
8439 )
8440 })
8441 .unwrap_or_default()
8442 },
8443 )
8444 }
8445 EditorMode::Minimap { .. } => {
8446 let mut style = Style::default();
8447 style.size.width = relative(1.).into();
8448 style.size.height = relative(1.).into();
8449 window.request_layout(style, None, cx)
8450 }
8451 EditorMode::Full {
8452 sized_by_content, ..
8453 } => {
8454 let mut style = Style::default();
8455 style.size.width = relative(1.).into();
8456 if sized_by_content {
8457 let snapshot = editor.snapshot(window, cx);
8458 let line_height =
8459 self.style.text.line_height_in_pixels(window.rem_size());
8460 let scroll_height =
8461 (snapshot.max_point().row().next_row().0 as f32) * line_height;
8462 style.size.height = scroll_height.into();
8463 } else {
8464 style.size.height = relative(1.).into();
8465 }
8466 window.request_layout(style, None, cx)
8467 }
8468 };
8469
8470 (layout_id, ())
8471 })
8472 })
8473 }
8474
8475 fn prepaint(
8476 &mut self,
8477 _: Option<&GlobalElementId>,
8478 _inspector_id: Option<&gpui::InspectorElementId>,
8479 bounds: Bounds<Pixels>,
8480 _: &mut Self::RequestLayoutState,
8481 window: &mut Window,
8482 cx: &mut App,
8483 ) -> Self::PrepaintState {
8484 let text_style = TextStyleRefinement {
8485 font_size: Some(self.style.text.font_size),
8486 line_height: Some(self.style.text.line_height),
8487 ..Default::default()
8488 };
8489
8490 let is_minimap = self.editor.read(cx).mode.is_minimap();
8491
8492 if !is_minimap {
8493 let focus_handle = self.editor.focus_handle(cx);
8494 window.set_view_id(self.editor.entity_id());
8495 window.set_focus_handle(&focus_handle, cx);
8496 }
8497
8498 let rem_size = self.rem_size(cx);
8499 window.with_rem_size(rem_size, |window| {
8500 window.with_text_style(Some(text_style), |window| {
8501 window.with_content_mask(Some(ContentMask { bounds }), |window| {
8502 let (mut snapshot, is_read_only) = self.editor.update(cx, |editor, cx| {
8503 (editor.snapshot(window, cx), editor.read_only(cx))
8504 });
8505 let style = &self.style;
8506
8507 let rem_size = window.rem_size();
8508 let font_id = window.text_system().resolve_font(&style.text.font());
8509 let font_size = style.text.font_size.to_pixels(rem_size);
8510 let line_height = style.text.line_height_in_pixels(rem_size);
8511 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
8512 let em_advance = window.text_system().em_advance(font_id, font_size).unwrap();
8513 let glyph_grid_cell = size(em_advance, line_height);
8514
8515 let gutter_dimensions = snapshot
8516 .gutter_dimensions(
8517 font_id,
8518 font_size,
8519 self.max_line_number_width(&snapshot, window),
8520 cx,
8521 )
8522 .or_else(|| {
8523 self.editor.read(cx).offset_content.then(|| {
8524 GutterDimensions::default_with_margin(font_id, font_size, cx)
8525 })
8526 })
8527 .unwrap_or_default();
8528 let text_width = bounds.size.width - gutter_dimensions.width;
8529
8530 let settings = EditorSettings::get_global(cx);
8531 let scrollbars_shown = settings.scrollbar.show != ShowScrollbar::Never;
8532 let vertical_scrollbar_width = (scrollbars_shown
8533 && settings.scrollbar.axes.vertical
8534 && self.editor.read(cx).show_scrollbars.vertical)
8535 .then_some(style.scrollbar_width)
8536 .unwrap_or_default();
8537 let minimap_width = self
8538 .get_minimap_width(
8539 &settings.minimap,
8540 scrollbars_shown,
8541 text_width,
8542 em_width,
8543 font_size,
8544 rem_size,
8545 cx,
8546 )
8547 .unwrap_or_default();
8548
8549 let right_margin = minimap_width + vertical_scrollbar_width;
8550
8551 let editor_width =
8552 text_width - gutter_dimensions.margin - 2 * em_width - right_margin;
8553 let editor_margins = EditorMargins {
8554 gutter: gutter_dimensions,
8555 right: right_margin,
8556 };
8557
8558 snapshot = self.editor.update(cx, |editor, cx| {
8559 editor.last_bounds = Some(bounds);
8560 editor.gutter_dimensions = gutter_dimensions;
8561 editor.set_visible_line_count(
8562 (bounds.size.height / line_height) as f64,
8563 window,
8564 cx,
8565 );
8566 editor.set_visible_column_count(f64::from(editor_width / em_advance));
8567
8568 if matches!(
8569 editor.mode,
8570 EditorMode::AutoHeight { .. } | EditorMode::Minimap { .. }
8571 ) {
8572 snapshot
8573 } else {
8574 let wrap_width_for = |column: u32| (column as f32 * em_advance).ceil();
8575 let wrap_width = match editor.soft_wrap_mode(cx) {
8576 SoftWrap::GitDiff => None,
8577 SoftWrap::None => Some(wrap_width_for(MAX_LINE_LEN as u32 / 2)),
8578 SoftWrap::EditorWidth => Some(editor_width),
8579 SoftWrap::Column(column) => Some(wrap_width_for(column)),
8580 SoftWrap::Bounded(column) => {
8581 Some(editor_width.min(wrap_width_for(column)))
8582 }
8583 };
8584
8585 if editor.set_wrap_width(wrap_width, cx) {
8586 editor.snapshot(window, cx)
8587 } else {
8588 snapshot
8589 }
8590 }
8591 });
8592
8593 let hitbox = window.insert_hitbox(bounds, HitboxBehavior::Normal);
8594 let gutter_hitbox = window.insert_hitbox(
8595 gutter_bounds(bounds, gutter_dimensions),
8596 HitboxBehavior::Normal,
8597 );
8598 let text_hitbox = window.insert_hitbox(
8599 Bounds {
8600 origin: gutter_hitbox.top_right(),
8601 size: size(text_width, bounds.size.height),
8602 },
8603 HitboxBehavior::Normal,
8604 );
8605
8606 // Offset the content_bounds from the text_bounds by the gutter margin (which
8607 // is roughly half a character wide) to make hit testing work more like how we want.
8608 let content_offset = point(editor_margins.gutter.margin, Pixels::ZERO);
8609 let content_origin = text_hitbox.origin + content_offset;
8610
8611 let height_in_lines = f64::from(bounds.size.height / line_height);
8612 let max_row = snapshot.max_point().row().as_f64();
8613
8614 // The max scroll position for the top of the window
8615 let max_scroll_top = if matches!(
8616 snapshot.mode,
8617 EditorMode::SingleLine
8618 | EditorMode::AutoHeight { .. }
8619 | EditorMode::Full {
8620 sized_by_content: true,
8621 ..
8622 }
8623 ) {
8624 (max_row - height_in_lines + 1.).max(0.)
8625 } else {
8626 let settings = EditorSettings::get_global(cx);
8627 match settings.scroll_beyond_last_line {
8628 ScrollBeyondLastLine::OnePage => max_row,
8629 ScrollBeyondLastLine::Off => (max_row - height_in_lines + 1.).max(0.),
8630 ScrollBeyondLastLine::VerticalScrollMargin => {
8631 (max_row - height_in_lines + 1. + settings.vertical_scroll_margin)
8632 .max(0.)
8633 }
8634 }
8635 };
8636
8637 let (
8638 autoscroll_request,
8639 autoscroll_containing_element,
8640 needs_horizontal_autoscroll,
8641 ) = self.editor.update(cx, |editor, cx| {
8642 let autoscroll_request = editor.scroll_manager.take_autoscroll_request();
8643
8644 let autoscroll_containing_element =
8645 autoscroll_request.is_some() || editor.has_pending_selection();
8646
8647 let (needs_horizontal_autoscroll, was_scrolled) = editor
8648 .autoscroll_vertically(
8649 bounds,
8650 line_height,
8651 max_scroll_top,
8652 autoscroll_request,
8653 window,
8654 cx,
8655 );
8656 if was_scrolled.0 {
8657 snapshot = editor.snapshot(window, cx);
8658 }
8659 (
8660 autoscroll_request,
8661 autoscroll_containing_element,
8662 needs_horizontal_autoscroll,
8663 )
8664 });
8665
8666 let mut scroll_position = snapshot.scroll_position();
8667 // The scroll position is a fractional point, the whole number of which represents
8668 // the top of the window in terms of display rows.
8669 let start_row = DisplayRow(scroll_position.y as u32);
8670 let max_row = snapshot.max_point().row();
8671 let end_row = cmp::min(
8672 (scroll_position.y + height_in_lines).ceil() as u32,
8673 max_row.next_row().0,
8674 );
8675 let end_row = DisplayRow(end_row);
8676
8677 let row_infos = snapshot
8678 .row_infos(start_row)
8679 .take((start_row..end_row).len())
8680 .collect::<Vec<RowInfo>>();
8681 let is_row_soft_wrapped = |row: usize| {
8682 row_infos
8683 .get(row)
8684 .is_none_or(|info| info.buffer_row.is_none())
8685 };
8686
8687 let start_anchor = if start_row == Default::default() {
8688 Anchor::min()
8689 } else {
8690 snapshot.buffer_snapshot().anchor_before(
8691 DisplayPoint::new(start_row, 0).to_offset(&snapshot, Bias::Left),
8692 )
8693 };
8694 let end_anchor = if end_row > max_row {
8695 Anchor::max()
8696 } else {
8697 snapshot.buffer_snapshot().anchor_before(
8698 DisplayPoint::new(end_row, 0).to_offset(&snapshot, Bias::Right),
8699 )
8700 };
8701
8702 let mut highlighted_rows = self
8703 .editor
8704 .update(cx, |editor, cx| editor.highlighted_display_rows(window, cx));
8705
8706 let is_light = cx.theme().appearance().is_light();
8707
8708 for (ix, row_info) in row_infos.iter().enumerate() {
8709 let Some(diff_status) = row_info.diff_status else {
8710 continue;
8711 };
8712
8713 let background_color = match diff_status.kind {
8714 DiffHunkStatusKind::Added => cx.theme().colors().version_control_added,
8715 DiffHunkStatusKind::Deleted => {
8716 cx.theme().colors().version_control_deleted
8717 }
8718 DiffHunkStatusKind::Modified => {
8719 debug_panic!("modified diff status for row info");
8720 continue;
8721 }
8722 };
8723
8724 let hunk_opacity = if is_light { 0.16 } else { 0.12 };
8725
8726 let hollow_highlight = LineHighlight {
8727 background: (background_color.opacity(if is_light {
8728 0.08
8729 } else {
8730 0.06
8731 }))
8732 .into(),
8733 border: Some(if is_light {
8734 background_color.opacity(0.48)
8735 } else {
8736 background_color.opacity(0.36)
8737 }),
8738 include_gutter: true,
8739 type_id: None,
8740 };
8741
8742 let filled_highlight = LineHighlight {
8743 background: solid_background(background_color.opacity(hunk_opacity)),
8744 border: None,
8745 include_gutter: true,
8746 type_id: None,
8747 };
8748
8749 let background = if Self::diff_hunk_hollow(diff_status, cx) {
8750 hollow_highlight
8751 } else {
8752 filled_highlight
8753 };
8754
8755 highlighted_rows
8756 .entry(start_row + DisplayRow(ix as u32))
8757 .or_insert(background);
8758 }
8759
8760 let highlighted_ranges = self
8761 .editor_with_selections(cx)
8762 .map(|editor| {
8763 editor.read(cx).background_highlights_in_range(
8764 start_anchor..end_anchor,
8765 &snapshot.display_snapshot,
8766 cx.theme(),
8767 )
8768 })
8769 .unwrap_or_default();
8770 let highlighted_gutter_ranges =
8771 self.editor.read(cx).gutter_highlights_in_range(
8772 start_anchor..end_anchor,
8773 &snapshot.display_snapshot,
8774 cx,
8775 );
8776
8777 let document_colors = self
8778 .editor
8779 .read(cx)
8780 .colors
8781 .as_ref()
8782 .map(|colors| colors.editor_display_highlights(&snapshot));
8783 let redacted_ranges = self.editor.read(cx).redacted_ranges(
8784 start_anchor..end_anchor,
8785 &snapshot.display_snapshot,
8786 cx,
8787 );
8788
8789 let (local_selections, selected_buffer_ids): (
8790 Vec<Selection<Point>>,
8791 Vec<BufferId>,
8792 ) = self
8793 .editor_with_selections(cx)
8794 .map(|editor| {
8795 editor.update(cx, |editor, cx| {
8796 let all_selections =
8797 editor.selections.all::<Point>(&snapshot.display_snapshot);
8798 let selected_buffer_ids =
8799 if editor.buffer_kind(cx) == ItemBufferKind::Singleton {
8800 Vec::new()
8801 } else {
8802 let mut selected_buffer_ids =
8803 Vec::with_capacity(all_selections.len());
8804
8805 for selection in all_selections {
8806 for buffer_id in snapshot
8807 .buffer_snapshot()
8808 .buffer_ids_for_range(selection.range())
8809 {
8810 if selected_buffer_ids.last() != Some(&buffer_id) {
8811 selected_buffer_ids.push(buffer_id);
8812 }
8813 }
8814 }
8815
8816 selected_buffer_ids
8817 };
8818
8819 let mut selections = editor.selections.disjoint_in_range(
8820 start_anchor..end_anchor,
8821 &snapshot.display_snapshot,
8822 );
8823 selections
8824 .extend(editor.selections.pending(&snapshot.display_snapshot));
8825
8826 (selections, selected_buffer_ids)
8827 })
8828 })
8829 .unwrap_or_default();
8830
8831 let (selections, mut active_rows, newest_selection_head) = self
8832 .layout_selections(
8833 start_anchor,
8834 end_anchor,
8835 &local_selections,
8836 &snapshot,
8837 start_row,
8838 end_row,
8839 window,
8840 cx,
8841 );
8842 let mut breakpoint_rows = self.editor.update(cx, |editor, cx| {
8843 editor.active_breakpoints(start_row..end_row, window, cx)
8844 });
8845 for (display_row, (_, bp, state)) in &breakpoint_rows {
8846 if bp.is_enabled() && state.is_none_or(|s| s.verified) {
8847 active_rows.entry(*display_row).or_default().breakpoint = true;
8848 }
8849 }
8850
8851 let line_numbers = self.layout_line_numbers(
8852 Some(&gutter_hitbox),
8853 gutter_dimensions,
8854 line_height,
8855 scroll_position,
8856 start_row..end_row,
8857 &row_infos,
8858 &active_rows,
8859 newest_selection_head,
8860 &snapshot,
8861 window,
8862 cx,
8863 );
8864
8865 // We add the gutter breakpoint indicator to breakpoint_rows after painting
8866 // line numbers so we don't paint a line number debug accent color if a user
8867 // has their mouse over that line when a breakpoint isn't there
8868 self.editor.update(cx, |editor, _| {
8869 if let Some(phantom_breakpoint) = &mut editor
8870 .gutter_breakpoint_indicator
8871 .0
8872 .filter(|phantom_breakpoint| phantom_breakpoint.is_active)
8873 {
8874 // Is there a non-phantom breakpoint on this line?
8875 phantom_breakpoint.collides_with_existing_breakpoint = true;
8876 breakpoint_rows
8877 .entry(phantom_breakpoint.display_row)
8878 .or_insert_with(|| {
8879 let position = snapshot.display_point_to_anchor(
8880 DisplayPoint::new(phantom_breakpoint.display_row, 0),
8881 Bias::Right,
8882 );
8883 let breakpoint = Breakpoint::new_standard();
8884 phantom_breakpoint.collides_with_existing_breakpoint = false;
8885 (position, breakpoint, None)
8886 });
8887 }
8888 });
8889
8890 let mut expand_toggles =
8891 window.with_element_namespace("expand_toggles", |window| {
8892 self.layout_expand_toggles(
8893 &gutter_hitbox,
8894 gutter_dimensions,
8895 em_width,
8896 line_height,
8897 scroll_position,
8898 &row_infos,
8899 window,
8900 cx,
8901 )
8902 });
8903
8904 let mut crease_toggles =
8905 window.with_element_namespace("crease_toggles", |window| {
8906 self.layout_crease_toggles(
8907 start_row..end_row,
8908 &row_infos,
8909 &active_rows,
8910 &snapshot,
8911 window,
8912 cx,
8913 )
8914 });
8915 let crease_trailers =
8916 window.with_element_namespace("crease_trailers", |window| {
8917 self.layout_crease_trailers(
8918 row_infos.iter().copied(),
8919 &snapshot,
8920 window,
8921 cx,
8922 )
8923 });
8924
8925 let display_hunks = self.layout_gutter_diff_hunks(
8926 line_height,
8927 &gutter_hitbox,
8928 start_row..end_row,
8929 &snapshot,
8930 window,
8931 cx,
8932 );
8933
8934 let bg_segments_per_row = Self::bg_segments_per_row(
8935 start_row..end_row,
8936 &selections,
8937 &highlighted_ranges,
8938 self.style.background,
8939 );
8940
8941 let mut line_layouts = Self::layout_lines(
8942 start_row..end_row,
8943 &snapshot,
8944 &self.style,
8945 editor_width,
8946 is_row_soft_wrapped,
8947 &bg_segments_per_row,
8948 window,
8949 cx,
8950 );
8951 let new_renderer_widths = (!is_minimap).then(|| {
8952 line_layouts
8953 .iter()
8954 .flat_map(|layout| &layout.fragments)
8955 .filter_map(|fragment| {
8956 if let LineFragment::Element { id, size, .. } = fragment {
8957 Some((*id, size.width))
8958 } else {
8959 None
8960 }
8961 })
8962 });
8963 if new_renderer_widths.is_some_and(|new_renderer_widths| {
8964 self.editor.update(cx, |editor, cx| {
8965 editor.update_renderer_widths(new_renderer_widths, cx)
8966 })
8967 }) {
8968 // If the fold widths have changed, we need to prepaint
8969 // the element again to account for any changes in
8970 // wrapping.
8971 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
8972 }
8973
8974 let longest_line_blame_width = self
8975 .editor
8976 .update(cx, |editor, cx| {
8977 if !editor.show_git_blame_inline {
8978 return None;
8979 }
8980 let blame = editor.blame.as_ref()?;
8981 let (_, blame_entry) = blame
8982 .update(cx, |blame, cx| {
8983 let row_infos =
8984 snapshot.row_infos(snapshot.longest_row()).next()?;
8985 blame.blame_for_rows(&[row_infos], cx).next()
8986 })
8987 .flatten()?;
8988 let mut element = render_inline_blame_entry(blame_entry, style, cx)?;
8989 let inline_blame_padding =
8990 ProjectSettings::get_global(cx).git.inline_blame.padding as f32
8991 * em_advance;
8992 Some(
8993 element
8994 .layout_as_root(AvailableSpace::min_size(), window, cx)
8995 .width
8996 + inline_blame_padding,
8997 )
8998 })
8999 .unwrap_or(Pixels::ZERO);
9000
9001 let longest_line_width = layout_line(
9002 snapshot.longest_row(),
9003 &snapshot,
9004 style,
9005 editor_width,
9006 is_row_soft_wrapped,
9007 window,
9008 cx,
9009 )
9010 .width;
9011
9012 let scrollbar_layout_information = ScrollbarLayoutInformation::new(
9013 text_hitbox.bounds,
9014 glyph_grid_cell,
9015 size(
9016 longest_line_width,
9017 Pixels::from(max_row.as_f64() * f64::from(line_height)),
9018 ),
9019 longest_line_blame_width,
9020 EditorSettings::get_global(cx),
9021 );
9022
9023 let mut scroll_width = scrollbar_layout_information.scroll_range.width;
9024
9025 let sticky_header_excerpt = if snapshot.buffer_snapshot().show_headers() {
9026 snapshot.sticky_header_excerpt(scroll_position.y)
9027 } else {
9028 None
9029 };
9030 let sticky_header_excerpt_id =
9031 sticky_header_excerpt.as_ref().map(|top| top.excerpt.id);
9032
9033 let blocks = (!is_minimap)
9034 .then(|| {
9035 window.with_element_namespace("blocks", |window| {
9036 self.render_blocks(
9037 start_row..end_row,
9038 &snapshot,
9039 &hitbox,
9040 &text_hitbox,
9041 editor_width,
9042 &mut scroll_width,
9043 &editor_margins,
9044 em_width,
9045 gutter_dimensions.full_width(),
9046 line_height,
9047 &mut line_layouts,
9048 &local_selections,
9049 &selected_buffer_ids,
9050 is_row_soft_wrapped,
9051 sticky_header_excerpt_id,
9052 window,
9053 cx,
9054 )
9055 })
9056 })
9057 .unwrap_or_else(|| Ok((Vec::default(), HashMap::default())));
9058 let (mut blocks, row_block_types) = match blocks {
9059 Ok(blocks) => blocks,
9060 Err(resized_blocks) => {
9061 self.editor.update(cx, |editor, cx| {
9062 editor.resize_blocks(
9063 resized_blocks,
9064 autoscroll_request.map(|(autoscroll, _)| autoscroll),
9065 cx,
9066 )
9067 });
9068 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
9069 }
9070 };
9071
9072 let sticky_buffer_header = sticky_header_excerpt.map(|sticky_header_excerpt| {
9073 window.with_element_namespace("blocks", |window| {
9074 self.layout_sticky_buffer_header(
9075 sticky_header_excerpt,
9076 scroll_position,
9077 line_height,
9078 right_margin,
9079 &snapshot,
9080 &hitbox,
9081 &selected_buffer_ids,
9082 &blocks,
9083 window,
9084 cx,
9085 )
9086 })
9087 });
9088
9089 let start_buffer_row =
9090 MultiBufferRow(start_anchor.to_point(&snapshot.buffer_snapshot()).row);
9091 let end_buffer_row =
9092 MultiBufferRow(end_anchor.to_point(&snapshot.buffer_snapshot()).row);
9093
9094 let scroll_max: gpui::Point<ScrollPixelOffset> = point(
9095 ScrollPixelOffset::from(
9096 ((scroll_width - editor_width) / em_advance).max(0.0),
9097 ),
9098 max_scroll_top,
9099 );
9100
9101 self.editor.update(cx, |editor, cx| {
9102 if editor.scroll_manager.clamp_scroll_left(scroll_max.x) {
9103 scroll_position.x = scroll_position.x.min(scroll_max.x);
9104 }
9105
9106 if needs_horizontal_autoscroll.0
9107 && let Some(new_scroll_position) = editor.autoscroll_horizontally(
9108 start_row,
9109 editor_width,
9110 scroll_width,
9111 em_advance,
9112 &line_layouts,
9113 autoscroll_request,
9114 window,
9115 cx,
9116 )
9117 {
9118 scroll_position = new_scroll_position;
9119 }
9120 });
9121
9122 let scroll_pixel_position = point(
9123 scroll_position.x * f64::from(em_advance),
9124 scroll_position.y * f64::from(line_height),
9125 );
9126 let indent_guides = self.layout_indent_guides(
9127 content_origin,
9128 text_hitbox.origin,
9129 start_buffer_row..end_buffer_row,
9130 scroll_pixel_position,
9131 line_height,
9132 &snapshot,
9133 window,
9134 cx,
9135 );
9136
9137 let crease_trailers =
9138 window.with_element_namespace("crease_trailers", |window| {
9139 self.prepaint_crease_trailers(
9140 crease_trailers,
9141 &line_layouts,
9142 line_height,
9143 content_origin,
9144 scroll_pixel_position,
9145 em_width,
9146 window,
9147 cx,
9148 )
9149 });
9150
9151 let (edit_prediction_popover, edit_prediction_popover_origin) = self
9152 .editor
9153 .update(cx, |editor, cx| {
9154 editor.render_edit_prediction_popover(
9155 &text_hitbox.bounds,
9156 content_origin,
9157 right_margin,
9158 &snapshot,
9159 start_row..end_row,
9160 scroll_position.y,
9161 scroll_position.y + height_in_lines,
9162 &line_layouts,
9163 line_height,
9164 scroll_position,
9165 scroll_pixel_position,
9166 newest_selection_head,
9167 editor_width,
9168 style,
9169 window,
9170 cx,
9171 )
9172 })
9173 .unzip();
9174
9175 let mut inline_diagnostics = self.layout_inline_diagnostics(
9176 &line_layouts,
9177 &crease_trailers,
9178 &row_block_types,
9179 content_origin,
9180 scroll_position,
9181 scroll_pixel_position,
9182 edit_prediction_popover_origin,
9183 start_row,
9184 end_row,
9185 line_height,
9186 em_width,
9187 style,
9188 window,
9189 cx,
9190 );
9191
9192 let mut inline_blame_layout = None;
9193 let mut inline_code_actions = None;
9194 if let Some(newest_selection_head) = newest_selection_head {
9195 let display_row = newest_selection_head.row();
9196 if (start_row..end_row).contains(&display_row)
9197 && !row_block_types.contains_key(&display_row)
9198 {
9199 inline_code_actions = self.layout_inline_code_actions(
9200 newest_selection_head,
9201 content_origin,
9202 scroll_position,
9203 scroll_pixel_position,
9204 line_height,
9205 &snapshot,
9206 window,
9207 cx,
9208 );
9209
9210 let line_ix = display_row.minus(start_row) as usize;
9211 if let (Some(row_info), Some(line_layout), Some(crease_trailer)) = (
9212 row_infos.get(line_ix),
9213 line_layouts.get(line_ix),
9214 crease_trailers.get(line_ix),
9215 ) {
9216 let crease_trailer_layout = crease_trailer.as_ref();
9217 if let Some(layout) = self.layout_inline_blame(
9218 display_row,
9219 row_info,
9220 line_layout,
9221 crease_trailer_layout,
9222 em_width,
9223 content_origin,
9224 scroll_position,
9225 scroll_pixel_position,
9226 line_height,
9227 &text_hitbox,
9228 window,
9229 cx,
9230 ) {
9231 inline_blame_layout = Some(layout);
9232 // Blame overrides inline diagnostics
9233 inline_diagnostics.remove(&display_row);
9234 }
9235 } else {
9236 log::error!(
9237 "bug: line_ix {} is out of bounds - row_infos.len(): {}, \
9238 line_layouts.len(): {}, \
9239 crease_trailers.len(): {}",
9240 line_ix,
9241 row_infos.len(),
9242 line_layouts.len(),
9243 crease_trailers.len(),
9244 );
9245 }
9246 }
9247 }
9248
9249 let blamed_display_rows = self.layout_blame_entries(
9250 &row_infos,
9251 em_width,
9252 scroll_position,
9253 line_height,
9254 &gutter_hitbox,
9255 gutter_dimensions.git_blame_entries_width,
9256 window,
9257 cx,
9258 );
9259
9260 let line_elements = self.prepaint_lines(
9261 start_row,
9262 &mut line_layouts,
9263 line_height,
9264 scroll_position,
9265 scroll_pixel_position,
9266 content_origin,
9267 window,
9268 cx,
9269 );
9270
9271 window.with_element_namespace("blocks", |window| {
9272 self.layout_blocks(
9273 &mut blocks,
9274 &hitbox,
9275 line_height,
9276 scroll_position,
9277 scroll_pixel_position,
9278 window,
9279 cx,
9280 );
9281 });
9282
9283 let cursors = self.collect_cursors(&snapshot, cx);
9284 let visible_row_range = start_row..end_row;
9285 let non_visible_cursors = cursors
9286 .iter()
9287 .any(|c| !visible_row_range.contains(&c.0.row()));
9288
9289 let visible_cursors = self.layout_visible_cursors(
9290 &snapshot,
9291 &selections,
9292 &row_block_types,
9293 start_row..end_row,
9294 &line_layouts,
9295 &text_hitbox,
9296 content_origin,
9297 scroll_position,
9298 scroll_pixel_position,
9299 line_height,
9300 em_width,
9301 em_advance,
9302 autoscroll_containing_element,
9303 window,
9304 cx,
9305 );
9306
9307 let scrollbars_layout = self.layout_scrollbars(
9308 &snapshot,
9309 &scrollbar_layout_information,
9310 content_offset,
9311 scroll_position,
9312 non_visible_cursors,
9313 right_margin,
9314 editor_width,
9315 window,
9316 cx,
9317 );
9318
9319 let gutter_settings = EditorSettings::get_global(cx).gutter;
9320
9321 let context_menu_layout =
9322 if let Some(newest_selection_head) = newest_selection_head {
9323 let newest_selection_point =
9324 newest_selection_head.to_point(&snapshot.display_snapshot);
9325 if (start_row..end_row).contains(&newest_selection_head.row()) {
9326 self.layout_cursor_popovers(
9327 line_height,
9328 &text_hitbox,
9329 content_origin,
9330 right_margin,
9331 start_row,
9332 scroll_pixel_position,
9333 &line_layouts,
9334 newest_selection_head,
9335 newest_selection_point,
9336 style,
9337 window,
9338 cx,
9339 )
9340 } else {
9341 None
9342 }
9343 } else {
9344 None
9345 };
9346
9347 self.layout_gutter_menu(
9348 line_height,
9349 &text_hitbox,
9350 content_origin,
9351 right_margin,
9352 scroll_pixel_position,
9353 gutter_dimensions.width - gutter_dimensions.left_padding,
9354 window,
9355 cx,
9356 );
9357
9358 let test_indicators = if gutter_settings.runnables {
9359 self.layout_run_indicators(
9360 line_height,
9361 start_row..end_row,
9362 &row_infos,
9363 scroll_position,
9364 &gutter_dimensions,
9365 &gutter_hitbox,
9366 &display_hunks,
9367 &snapshot,
9368 &mut breakpoint_rows,
9369 window,
9370 cx,
9371 )
9372 } else {
9373 Vec::new()
9374 };
9375
9376 let show_breakpoints = snapshot
9377 .show_breakpoints
9378 .unwrap_or(gutter_settings.breakpoints);
9379 let breakpoints = if show_breakpoints {
9380 self.layout_breakpoints(
9381 line_height,
9382 start_row..end_row,
9383 scroll_position,
9384 &gutter_dimensions,
9385 &gutter_hitbox,
9386 &display_hunks,
9387 &snapshot,
9388 breakpoint_rows,
9389 &row_infos,
9390 window,
9391 cx,
9392 )
9393 } else {
9394 Vec::new()
9395 };
9396
9397 self.layout_signature_help(
9398 &hitbox,
9399 content_origin,
9400 scroll_pixel_position,
9401 newest_selection_head,
9402 start_row,
9403 &line_layouts,
9404 line_height,
9405 em_width,
9406 context_menu_layout,
9407 window,
9408 cx,
9409 );
9410
9411 if !cx.has_active_drag() {
9412 self.layout_hover_popovers(
9413 &snapshot,
9414 &hitbox,
9415 start_row..end_row,
9416 content_origin,
9417 scroll_pixel_position,
9418 &line_layouts,
9419 line_height,
9420 em_width,
9421 context_menu_layout,
9422 window,
9423 cx,
9424 );
9425 }
9426
9427 let mouse_context_menu = self.layout_mouse_context_menu(
9428 &snapshot,
9429 start_row..end_row,
9430 content_origin,
9431 window,
9432 cx,
9433 );
9434
9435 window.with_element_namespace("crease_toggles", |window| {
9436 self.prepaint_crease_toggles(
9437 &mut crease_toggles,
9438 line_height,
9439 &gutter_dimensions,
9440 gutter_settings,
9441 scroll_pixel_position,
9442 &gutter_hitbox,
9443 window,
9444 cx,
9445 )
9446 });
9447
9448 window.with_element_namespace("expand_toggles", |window| {
9449 self.prepaint_expand_toggles(&mut expand_toggles, window, cx)
9450 });
9451
9452 let wrap_guides = self.layout_wrap_guides(
9453 em_advance,
9454 scroll_position,
9455 content_origin,
9456 scrollbars_layout.as_ref(),
9457 vertical_scrollbar_width,
9458 &hitbox,
9459 window,
9460 cx,
9461 );
9462
9463 let minimap = window.with_element_namespace("minimap", |window| {
9464 self.layout_minimap(
9465 &snapshot,
9466 minimap_width,
9467 scroll_position,
9468 &scrollbar_layout_information,
9469 scrollbars_layout.as_ref(),
9470 window,
9471 cx,
9472 )
9473 });
9474
9475 let invisible_symbol_font_size = font_size / 2.;
9476 let whitespace_map = &self
9477 .editor
9478 .read(cx)
9479 .buffer
9480 .read(cx)
9481 .language_settings(cx)
9482 .whitespace_map;
9483
9484 let tab_char = whitespace_map.tab.clone();
9485 let tab_len = tab_char.len();
9486 let tab_invisible = window.text_system().shape_line(
9487 tab_char,
9488 invisible_symbol_font_size,
9489 &[TextRun {
9490 len: tab_len,
9491 font: self.style.text.font(),
9492 color: cx.theme().colors().editor_invisible,
9493 background_color: None,
9494 underline: None,
9495 strikethrough: None,
9496 }],
9497 None,
9498 );
9499
9500 let space_char = whitespace_map.space.clone();
9501 let space_len = space_char.len();
9502 let space_invisible = window.text_system().shape_line(
9503 space_char,
9504 invisible_symbol_font_size,
9505 &[TextRun {
9506 len: space_len,
9507 font: self.style.text.font(),
9508 color: cx.theme().colors().editor_invisible,
9509 background_color: None,
9510 underline: None,
9511 strikethrough: None,
9512 }],
9513 None,
9514 );
9515
9516 let mode = snapshot.mode.clone();
9517
9518 let (diff_hunk_controls, diff_hunk_control_bounds) = if is_read_only {
9519 (vec![], vec![])
9520 } else {
9521 self.layout_diff_hunk_controls(
9522 start_row..end_row,
9523 &row_infos,
9524 &text_hitbox,
9525 newest_selection_head,
9526 line_height,
9527 right_margin,
9528 scroll_pixel_position,
9529 &display_hunks,
9530 &highlighted_rows,
9531 self.editor.clone(),
9532 window,
9533 cx,
9534 )
9535 };
9536
9537 let position_map = Rc::new(PositionMap {
9538 size: bounds.size,
9539 visible_row_range,
9540 scroll_position,
9541 scroll_pixel_position,
9542 scroll_max,
9543 line_layouts,
9544 line_height,
9545 em_width,
9546 em_advance,
9547 snapshot,
9548 gutter_hitbox: gutter_hitbox.clone(),
9549 text_hitbox: text_hitbox.clone(),
9550 inline_blame_bounds: inline_blame_layout
9551 .as_ref()
9552 .map(|layout| (layout.bounds, layout.buffer_id, layout.entry.clone())),
9553 display_hunks: display_hunks.clone(),
9554 diff_hunk_control_bounds,
9555 });
9556
9557 self.editor.update(cx, |editor, _| {
9558 editor.last_position_map = Some(position_map.clone())
9559 });
9560
9561 EditorLayout {
9562 mode,
9563 position_map,
9564 visible_display_row_range: start_row..end_row,
9565 wrap_guides,
9566 indent_guides,
9567 hitbox,
9568 gutter_hitbox,
9569 display_hunks,
9570 content_origin,
9571 scrollbars_layout,
9572 minimap,
9573 active_rows,
9574 highlighted_rows,
9575 highlighted_ranges,
9576 highlighted_gutter_ranges,
9577 redacted_ranges,
9578 document_colors,
9579 line_elements,
9580 line_numbers,
9581 blamed_display_rows,
9582 inline_diagnostics,
9583 inline_blame_layout,
9584 inline_code_actions,
9585 blocks,
9586 cursors,
9587 visible_cursors,
9588 selections,
9589 edit_prediction_popover,
9590 diff_hunk_controls,
9591 mouse_context_menu,
9592 test_indicators,
9593 breakpoints,
9594 crease_toggles,
9595 crease_trailers,
9596 tab_invisible,
9597 space_invisible,
9598 sticky_buffer_header,
9599 expand_toggles,
9600 }
9601 })
9602 })
9603 })
9604 }
9605
9606 fn paint(
9607 &mut self,
9608 _: Option<&GlobalElementId>,
9609 _inspector_id: Option<&gpui::InspectorElementId>,
9610 bounds: Bounds<gpui::Pixels>,
9611 _: &mut Self::RequestLayoutState,
9612 layout: &mut Self::PrepaintState,
9613 window: &mut Window,
9614 cx: &mut App,
9615 ) {
9616 if !layout.mode.is_minimap() {
9617 let focus_handle = self.editor.focus_handle(cx);
9618 let key_context = self
9619 .editor
9620 .update(cx, |editor, cx| editor.key_context(window, cx));
9621
9622 window.set_key_context(key_context);
9623 window.handle_input(
9624 &focus_handle,
9625 ElementInputHandler::new(bounds, self.editor.clone()),
9626 cx,
9627 );
9628 self.register_actions(window, cx);
9629 self.register_key_listeners(window, cx, layout);
9630 }
9631
9632 let text_style = TextStyleRefinement {
9633 font_size: Some(self.style.text.font_size),
9634 line_height: Some(self.style.text.line_height),
9635 ..Default::default()
9636 };
9637 let rem_size = self.rem_size(cx);
9638 window.with_rem_size(rem_size, |window| {
9639 window.with_text_style(Some(text_style), |window| {
9640 window.with_content_mask(Some(ContentMask { bounds }), |window| {
9641 self.paint_mouse_listeners(layout, window, cx);
9642 self.paint_background(layout, window, cx);
9643 self.paint_indent_guides(layout, window, cx);
9644
9645 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9646 self.paint_blamed_display_rows(layout, window, cx);
9647 self.paint_line_numbers(layout, window, cx);
9648 }
9649
9650 self.paint_text(layout, window, cx);
9651
9652 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9653 self.paint_gutter_highlights(layout, window, cx);
9654 self.paint_gutter_indicators(layout, window, cx);
9655 }
9656
9657 if !layout.blocks.is_empty() {
9658 window.with_element_namespace("blocks", |window| {
9659 self.paint_blocks(layout, window, cx);
9660 });
9661 }
9662
9663 window.with_element_namespace("blocks", |window| {
9664 if let Some(mut sticky_header) = layout.sticky_buffer_header.take() {
9665 sticky_header.paint(window, cx)
9666 }
9667 });
9668
9669 self.paint_minimap(layout, window, cx);
9670 self.paint_scrollbars(layout, window, cx);
9671 self.paint_edit_prediction_popover(layout, window, cx);
9672 self.paint_mouse_context_menu(layout, window, cx);
9673 });
9674 })
9675 })
9676 }
9677}
9678
9679pub(super) fn gutter_bounds(
9680 editor_bounds: Bounds<Pixels>,
9681 gutter_dimensions: GutterDimensions,
9682) -> Bounds<Pixels> {
9683 Bounds {
9684 origin: editor_bounds.origin,
9685 size: size(gutter_dimensions.width, editor_bounds.size.height),
9686 }
9687}
9688
9689#[derive(Clone, Copy)]
9690struct ContextMenuLayout {
9691 y_flipped: bool,
9692 bounds: Bounds<Pixels>,
9693}
9694
9695/// Holds information required for layouting the editor scrollbars.
9696struct ScrollbarLayoutInformation {
9697 /// The bounds of the editor area (excluding the content offset).
9698 editor_bounds: Bounds<Pixels>,
9699 /// The available range to scroll within the document.
9700 scroll_range: Size<Pixels>,
9701 /// The space available for one glyph in the editor.
9702 glyph_grid_cell: Size<Pixels>,
9703}
9704
9705impl ScrollbarLayoutInformation {
9706 pub fn new(
9707 editor_bounds: Bounds<Pixels>,
9708 glyph_grid_cell: Size<Pixels>,
9709 document_size: Size<Pixels>,
9710 longest_line_blame_width: Pixels,
9711 settings: &EditorSettings,
9712 ) -> Self {
9713 let vertical_overscroll = match settings.scroll_beyond_last_line {
9714 ScrollBeyondLastLine::OnePage => editor_bounds.size.height,
9715 ScrollBeyondLastLine::Off => glyph_grid_cell.height,
9716 ScrollBeyondLastLine::VerticalScrollMargin => {
9717 (1.0 + settings.vertical_scroll_margin) as f32 * glyph_grid_cell.height
9718 }
9719 };
9720
9721 let overscroll = size(longest_line_blame_width, vertical_overscroll);
9722
9723 ScrollbarLayoutInformation {
9724 editor_bounds,
9725 scroll_range: document_size + overscroll,
9726 glyph_grid_cell,
9727 }
9728 }
9729}
9730
9731impl IntoElement for EditorElement {
9732 type Element = Self;
9733
9734 fn into_element(self) -> Self::Element {
9735 self
9736 }
9737}
9738
9739pub struct EditorLayout {
9740 position_map: Rc<PositionMap>,
9741 hitbox: Hitbox,
9742 gutter_hitbox: Hitbox,
9743 content_origin: gpui::Point<Pixels>,
9744 scrollbars_layout: Option<EditorScrollbars>,
9745 minimap: Option<MinimapLayout>,
9746 mode: EditorMode,
9747 wrap_guides: SmallVec<[(Pixels, bool); 2]>,
9748 indent_guides: Option<Vec<IndentGuideLayout>>,
9749 visible_display_row_range: Range<DisplayRow>,
9750 active_rows: BTreeMap<DisplayRow, LineHighlightSpec>,
9751 highlighted_rows: BTreeMap<DisplayRow, LineHighlight>,
9752 line_elements: SmallVec<[AnyElement; 1]>,
9753 line_numbers: Arc<HashMap<MultiBufferRow, LineNumberLayout>>,
9754 display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
9755 blamed_display_rows: Option<Vec<AnyElement>>,
9756 inline_diagnostics: HashMap<DisplayRow, AnyElement>,
9757 inline_blame_layout: Option<InlineBlameLayout>,
9758 inline_code_actions: Option<AnyElement>,
9759 blocks: Vec<BlockLayout>,
9760 highlighted_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9761 highlighted_gutter_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9762 redacted_ranges: Vec<Range<DisplayPoint>>,
9763 cursors: Vec<(DisplayPoint, Hsla)>,
9764 visible_cursors: Vec<CursorLayout>,
9765 selections: Vec<(PlayerColor, Vec<SelectionLayout>)>,
9766 test_indicators: Vec<AnyElement>,
9767 breakpoints: Vec<AnyElement>,
9768 crease_toggles: Vec<Option<AnyElement>>,
9769 expand_toggles: Vec<Option<(AnyElement, gpui::Point<Pixels>)>>,
9770 diff_hunk_controls: Vec<AnyElement>,
9771 crease_trailers: Vec<Option<CreaseTrailerLayout>>,
9772 edit_prediction_popover: Option<AnyElement>,
9773 mouse_context_menu: Option<AnyElement>,
9774 tab_invisible: ShapedLine,
9775 space_invisible: ShapedLine,
9776 sticky_buffer_header: Option<AnyElement>,
9777 document_colors: Option<(DocumentColorsRenderMode, Vec<(Range<DisplayPoint>, Hsla)>)>,
9778}
9779
9780impl EditorLayout {
9781 fn line_end_overshoot(&self) -> Pixels {
9782 0.15 * self.position_map.line_height
9783 }
9784}
9785
9786struct LineNumberLayout {
9787 shaped_line: ShapedLine,
9788 hitbox: Option<Hitbox>,
9789}
9790
9791struct ColoredRange<T> {
9792 start: T,
9793 end: T,
9794 color: Hsla,
9795}
9796
9797impl Along for ScrollbarAxes {
9798 type Unit = bool;
9799
9800 fn along(&self, axis: ScrollbarAxis) -> Self::Unit {
9801 match axis {
9802 ScrollbarAxis::Horizontal => self.horizontal,
9803 ScrollbarAxis::Vertical => self.vertical,
9804 }
9805 }
9806
9807 fn apply_along(&self, axis: ScrollbarAxis, f: impl FnOnce(Self::Unit) -> Self::Unit) -> Self {
9808 match axis {
9809 ScrollbarAxis::Horizontal => ScrollbarAxes {
9810 horizontal: f(self.horizontal),
9811 vertical: self.vertical,
9812 },
9813 ScrollbarAxis::Vertical => ScrollbarAxes {
9814 horizontal: self.horizontal,
9815 vertical: f(self.vertical),
9816 },
9817 }
9818 }
9819}
9820
9821#[derive(Clone)]
9822struct EditorScrollbars {
9823 pub vertical: Option<ScrollbarLayout>,
9824 pub horizontal: Option<ScrollbarLayout>,
9825 pub visible: bool,
9826}
9827
9828impl EditorScrollbars {
9829 pub fn from_scrollbar_axes(
9830 show_scrollbar: ScrollbarAxes,
9831 layout_information: &ScrollbarLayoutInformation,
9832 content_offset: gpui::Point<Pixels>,
9833 scroll_position: gpui::Point<f64>,
9834 scrollbar_width: Pixels,
9835 right_margin: Pixels,
9836 editor_width: Pixels,
9837 show_scrollbars: bool,
9838 scrollbar_state: Option<&ActiveScrollbarState>,
9839 window: &mut Window,
9840 ) -> Self {
9841 let ScrollbarLayoutInformation {
9842 editor_bounds,
9843 scroll_range,
9844 glyph_grid_cell,
9845 } = layout_information;
9846
9847 let viewport_size = size(editor_width, editor_bounds.size.height);
9848
9849 let scrollbar_bounds_for = |axis: ScrollbarAxis| match axis {
9850 ScrollbarAxis::Horizontal => Bounds::from_corner_and_size(
9851 Corner::BottomLeft,
9852 editor_bounds.bottom_left(),
9853 size(
9854 // The horizontal viewport size differs from the space available for the
9855 // horizontal scrollbar, so we have to manually stitch it together here.
9856 editor_bounds.size.width - right_margin,
9857 scrollbar_width,
9858 ),
9859 ),
9860 ScrollbarAxis::Vertical => Bounds::from_corner_and_size(
9861 Corner::TopRight,
9862 editor_bounds.top_right(),
9863 size(scrollbar_width, viewport_size.height),
9864 ),
9865 };
9866
9867 let mut create_scrollbar_layout = |axis| {
9868 let viewport_size = viewport_size.along(axis);
9869 let scroll_range = scroll_range.along(axis);
9870
9871 // We always want a vertical scrollbar track for scrollbar diagnostic visibility.
9872 (show_scrollbar.along(axis)
9873 && (axis == ScrollbarAxis::Vertical || scroll_range > viewport_size))
9874 .then(|| {
9875 ScrollbarLayout::new(
9876 window.insert_hitbox(scrollbar_bounds_for(axis), HitboxBehavior::Normal),
9877 viewport_size,
9878 scroll_range,
9879 glyph_grid_cell.along(axis),
9880 content_offset.along(axis),
9881 scroll_position.along(axis),
9882 show_scrollbars,
9883 axis,
9884 )
9885 .with_thumb_state(
9886 scrollbar_state.and_then(|state| state.thumb_state_for_axis(axis)),
9887 )
9888 })
9889 };
9890
9891 Self {
9892 vertical: create_scrollbar_layout(ScrollbarAxis::Vertical),
9893 horizontal: create_scrollbar_layout(ScrollbarAxis::Horizontal),
9894 visible: show_scrollbars,
9895 }
9896 }
9897
9898 pub fn iter_scrollbars(&self) -> impl Iterator<Item = (&ScrollbarLayout, ScrollbarAxis)> + '_ {
9899 [
9900 (&self.vertical, ScrollbarAxis::Vertical),
9901 (&self.horizontal, ScrollbarAxis::Horizontal),
9902 ]
9903 .into_iter()
9904 .filter_map(|(scrollbar, axis)| scrollbar.as_ref().map(|s| (s, axis)))
9905 }
9906
9907 /// Returns the currently hovered scrollbar axis, if any.
9908 pub fn get_hovered_axis(&self, window: &Window) -> Option<(&ScrollbarLayout, ScrollbarAxis)> {
9909 self.iter_scrollbars()
9910 .find(|s| s.0.hitbox.is_hovered(window))
9911 }
9912}
9913
9914#[derive(Clone)]
9915struct ScrollbarLayout {
9916 hitbox: Hitbox,
9917 visible_range: Range<ScrollOffset>,
9918 text_unit_size: Pixels,
9919 thumb_bounds: Option<Bounds<Pixels>>,
9920 thumb_state: ScrollbarThumbState,
9921}
9922
9923impl ScrollbarLayout {
9924 const BORDER_WIDTH: Pixels = px(1.0);
9925 const LINE_MARKER_HEIGHT: Pixels = px(2.0);
9926 const MIN_MARKER_HEIGHT: Pixels = px(5.0);
9927 const MIN_THUMB_SIZE: Pixels = px(25.0);
9928
9929 fn new(
9930 scrollbar_track_hitbox: Hitbox,
9931 viewport_size: Pixels,
9932 scroll_range: Pixels,
9933 glyph_space: Pixels,
9934 content_offset: Pixels,
9935 scroll_position: ScrollOffset,
9936 show_thumb: bool,
9937 axis: ScrollbarAxis,
9938 ) -> Self {
9939 let track_bounds = scrollbar_track_hitbox.bounds;
9940 // The length of the track available to the scrollbar thumb. We deliberately
9941 // exclude the content size here so that the thumb aligns with the content.
9942 let track_length = track_bounds.size.along(axis) - content_offset;
9943
9944 Self::new_with_hitbox_and_track_length(
9945 scrollbar_track_hitbox,
9946 track_length,
9947 viewport_size,
9948 scroll_range.into(),
9949 glyph_space,
9950 content_offset.into(),
9951 scroll_position,
9952 show_thumb,
9953 axis,
9954 )
9955 }
9956
9957 fn for_minimap(
9958 minimap_track_hitbox: Hitbox,
9959 visible_lines: f64,
9960 total_editor_lines: f64,
9961 minimap_line_height: Pixels,
9962 scroll_position: ScrollOffset,
9963 minimap_scroll_top: ScrollOffset,
9964 show_thumb: bool,
9965 ) -> Self {
9966 // The scrollbar thumb size is calculated as
9967 // (visible_content/total_content) Γ scrollbar_track_length.
9968 //
9969 // For the minimap's thumb layout, we leverage this by setting the
9970 // scrollbar track length to the entire document size (using minimap line
9971 // height). This creates a thumb that exactly represents the editor
9972 // viewport scaled to minimap proportions.
9973 //
9974 // We adjust the thumb position relative to `minimap_scroll_top` to
9975 // accommodate for the deliberately oversized track.
9976 //
9977 // This approach ensures that the minimap thumb accurately reflects the
9978 // editor's current scroll position whilst nicely synchronizing the minimap
9979 // thumb and scrollbar thumb.
9980 let scroll_range = total_editor_lines * f64::from(minimap_line_height);
9981 let viewport_size = visible_lines * f64::from(minimap_line_height);
9982
9983 let track_top_offset = -minimap_scroll_top * f64::from(minimap_line_height);
9984
9985 Self::new_with_hitbox_and_track_length(
9986 minimap_track_hitbox,
9987 Pixels::from(scroll_range),
9988 Pixels::from(viewport_size),
9989 scroll_range,
9990 minimap_line_height,
9991 track_top_offset,
9992 scroll_position,
9993 show_thumb,
9994 ScrollbarAxis::Vertical,
9995 )
9996 }
9997
9998 fn new_with_hitbox_and_track_length(
9999 scrollbar_track_hitbox: Hitbox,
10000 track_length: Pixels,
10001 viewport_size: Pixels,
10002 scroll_range: f64,
10003 glyph_space: Pixels,
10004 content_offset: ScrollOffset,
10005 scroll_position: ScrollOffset,
10006 show_thumb: bool,
10007 axis: ScrollbarAxis,
10008 ) -> Self {
10009 let text_units_per_page = f64::from(viewport_size / glyph_space);
10010 let visible_range = scroll_position..scroll_position + text_units_per_page;
10011 let total_text_units = scroll_range / f64::from(glyph_space);
10012
10013 let thumb_percentage = text_units_per_page / total_text_units;
10014 let thumb_size = Pixels::from(ScrollOffset::from(track_length) * thumb_percentage)
10015 .max(ScrollbarLayout::MIN_THUMB_SIZE)
10016 .min(track_length);
10017
10018 let text_unit_divisor = (total_text_units - text_units_per_page).max(0.);
10019
10020 let content_larger_than_viewport = text_unit_divisor > 0.;
10021
10022 let text_unit_size = if content_larger_than_viewport {
10023 Pixels::from(ScrollOffset::from(track_length - thumb_size) / text_unit_divisor)
10024 } else {
10025 glyph_space
10026 };
10027
10028 let thumb_bounds = (show_thumb && content_larger_than_viewport).then(|| {
10029 Self::thumb_bounds(
10030 &scrollbar_track_hitbox,
10031 content_offset,
10032 visible_range.start,
10033 text_unit_size,
10034 thumb_size,
10035 axis,
10036 )
10037 });
10038
10039 ScrollbarLayout {
10040 hitbox: scrollbar_track_hitbox,
10041 visible_range,
10042 text_unit_size,
10043 thumb_bounds,
10044 thumb_state: Default::default(),
10045 }
10046 }
10047
10048 fn with_thumb_state(self, thumb_state: Option<ScrollbarThumbState>) -> Self {
10049 if let Some(thumb_state) = thumb_state {
10050 Self {
10051 thumb_state,
10052 ..self
10053 }
10054 } else {
10055 self
10056 }
10057 }
10058
10059 fn thumb_bounds(
10060 scrollbar_track: &Hitbox,
10061 content_offset: f64,
10062 visible_range_start: f64,
10063 text_unit_size: Pixels,
10064 thumb_size: Pixels,
10065 axis: ScrollbarAxis,
10066 ) -> Bounds<Pixels> {
10067 let thumb_origin = scrollbar_track.origin.apply_along(axis, |origin| {
10068 origin
10069 + Pixels::from(
10070 content_offset + visible_range_start * ScrollOffset::from(text_unit_size),
10071 )
10072 });
10073 Bounds::new(
10074 thumb_origin,
10075 scrollbar_track.size.apply_along(axis, |_| thumb_size),
10076 )
10077 }
10078
10079 fn thumb_hovered(&self, position: &gpui::Point<Pixels>) -> bool {
10080 self.thumb_bounds
10081 .is_some_and(|bounds| bounds.contains(position))
10082 }
10083
10084 fn marker_quads_for_ranges(
10085 &self,
10086 row_ranges: impl IntoIterator<Item = ColoredRange<DisplayRow>>,
10087 column: Option<usize>,
10088 ) -> Vec<PaintQuad> {
10089 struct MinMax {
10090 min: Pixels,
10091 max: Pixels,
10092 }
10093 let (x_range, height_limit) = if let Some(column) = column {
10094 let column_width = ((self.hitbox.size.width - Self::BORDER_WIDTH) / 3.0).floor();
10095 let start = Self::BORDER_WIDTH + (column as f32 * column_width);
10096 let end = start + column_width;
10097 (
10098 Range { start, end },
10099 MinMax {
10100 min: Self::MIN_MARKER_HEIGHT,
10101 max: px(f32::MAX),
10102 },
10103 )
10104 } else {
10105 (
10106 Range {
10107 start: Self::BORDER_WIDTH,
10108 end: self.hitbox.size.width,
10109 },
10110 MinMax {
10111 min: Self::LINE_MARKER_HEIGHT,
10112 max: Self::LINE_MARKER_HEIGHT,
10113 },
10114 )
10115 };
10116
10117 let row_to_y = |row: DisplayRow| row.as_f64() as f32 * self.text_unit_size;
10118 let mut pixel_ranges = row_ranges
10119 .into_iter()
10120 .map(|range| {
10121 let start_y = row_to_y(range.start);
10122 let end_y = row_to_y(range.end)
10123 + self
10124 .text_unit_size
10125 .max(height_limit.min)
10126 .min(height_limit.max);
10127 ColoredRange {
10128 start: start_y,
10129 end: end_y,
10130 color: range.color,
10131 }
10132 })
10133 .peekable();
10134
10135 let mut quads = Vec::new();
10136 while let Some(mut pixel_range) = pixel_ranges.next() {
10137 while let Some(next_pixel_range) = pixel_ranges.peek() {
10138 if pixel_range.end >= next_pixel_range.start - px(1.0)
10139 && pixel_range.color == next_pixel_range.color
10140 {
10141 pixel_range.end = next_pixel_range.end.max(pixel_range.end);
10142 pixel_ranges.next();
10143 } else {
10144 break;
10145 }
10146 }
10147
10148 let bounds = Bounds::from_corners(
10149 point(x_range.start, pixel_range.start),
10150 point(x_range.end, pixel_range.end),
10151 );
10152 quads.push(quad(
10153 bounds,
10154 Corners::default(),
10155 pixel_range.color,
10156 Edges::default(),
10157 Hsla::transparent_black(),
10158 BorderStyle::default(),
10159 ));
10160 }
10161
10162 quads
10163 }
10164}
10165
10166struct MinimapLayout {
10167 pub minimap: AnyElement,
10168 pub thumb_layout: ScrollbarLayout,
10169 pub minimap_scroll_top: ScrollOffset,
10170 pub minimap_line_height: Pixels,
10171 pub thumb_border_style: MinimapThumbBorder,
10172 pub max_scroll_top: ScrollOffset,
10173}
10174
10175impl MinimapLayout {
10176 /// The minimum width of the minimap in columns. If the minimap is smaller than this, it will be hidden.
10177 const MINIMAP_MIN_WIDTH_COLUMNS: f32 = 20.;
10178 /// The minimap width as a percentage of the editor width.
10179 const MINIMAP_WIDTH_PCT: f32 = 0.15;
10180 /// Calculates the scroll top offset the minimap editor has to have based on the
10181 /// current scroll progress.
10182 fn calculate_minimap_top_offset(
10183 document_lines: f64,
10184 visible_editor_lines: f64,
10185 visible_minimap_lines: f64,
10186 scroll_position: f64,
10187 ) -> ScrollOffset {
10188 let non_visible_document_lines = (document_lines - visible_editor_lines).max(0.);
10189 if non_visible_document_lines == 0. {
10190 0.
10191 } else {
10192 let scroll_percentage = (scroll_position / non_visible_document_lines).clamp(0., 1.);
10193 scroll_percentage * (document_lines - visible_minimap_lines).max(0.)
10194 }
10195 }
10196}
10197
10198struct CreaseTrailerLayout {
10199 element: AnyElement,
10200 bounds: Bounds<Pixels>,
10201}
10202
10203pub(crate) struct PositionMap {
10204 pub size: Size<Pixels>,
10205 pub line_height: Pixels,
10206 pub scroll_position: gpui::Point<ScrollOffset>,
10207 pub scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
10208 pub scroll_max: gpui::Point<ScrollOffset>,
10209 pub em_width: Pixels,
10210 pub em_advance: Pixels,
10211 pub visible_row_range: Range<DisplayRow>,
10212 pub line_layouts: Vec<LineWithInvisibles>,
10213 pub snapshot: EditorSnapshot,
10214 pub text_hitbox: Hitbox,
10215 pub gutter_hitbox: Hitbox,
10216 pub inline_blame_bounds: Option<(Bounds<Pixels>, BufferId, BlameEntry)>,
10217 pub display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
10218 pub diff_hunk_control_bounds: Vec<(DisplayRow, Bounds<Pixels>)>,
10219}
10220
10221#[derive(Debug, Copy, Clone)]
10222pub struct PointForPosition {
10223 pub previous_valid: DisplayPoint,
10224 pub next_valid: DisplayPoint,
10225 pub exact_unclipped: DisplayPoint,
10226 pub column_overshoot_after_line_end: u32,
10227}
10228
10229impl PointForPosition {
10230 pub fn as_valid(&self) -> Option<DisplayPoint> {
10231 if self.previous_valid == self.exact_unclipped && self.next_valid == self.exact_unclipped {
10232 Some(self.previous_valid)
10233 } else {
10234 None
10235 }
10236 }
10237
10238 pub fn intersects_selection(&self, selection: &Selection<DisplayPoint>) -> bool {
10239 let Some(valid_point) = self.as_valid() else {
10240 return false;
10241 };
10242 let range = selection.range();
10243
10244 let candidate_row = valid_point.row();
10245 let candidate_col = valid_point.column();
10246
10247 let start_row = range.start.row();
10248 let start_col = range.start.column();
10249 let end_row = range.end.row();
10250 let end_col = range.end.column();
10251
10252 if candidate_row < start_row || candidate_row > end_row {
10253 false
10254 } else if start_row == end_row {
10255 candidate_col >= start_col && candidate_col < end_col
10256 } else if candidate_row == start_row {
10257 candidate_col >= start_col
10258 } else if candidate_row == end_row {
10259 candidate_col < end_col
10260 } else {
10261 true
10262 }
10263 }
10264}
10265
10266impl PositionMap {
10267 pub(crate) fn point_for_position(&self, position: gpui::Point<Pixels>) -> PointForPosition {
10268 let text_bounds = self.text_hitbox.bounds;
10269 let scroll_position = self.snapshot.scroll_position();
10270 let position = position - text_bounds.origin;
10271 let y = position.y.max(px(0.)).min(self.size.height);
10272 let x = position.x + (scroll_position.x as f32 * self.em_advance);
10273 let row = ((y / self.line_height) as f64 + scroll_position.y) as u32;
10274
10275 let (column, x_overshoot_after_line_end) = if let Some(line) = self
10276 .line_layouts
10277 .get(row as usize - scroll_position.y as usize)
10278 {
10279 if let Some(ix) = line.index_for_x(x) {
10280 (ix as u32, px(0.))
10281 } else {
10282 (line.len as u32, px(0.).max(x - line.width))
10283 }
10284 } else {
10285 (0, x)
10286 };
10287
10288 let mut exact_unclipped = DisplayPoint::new(DisplayRow(row), column);
10289 let previous_valid = self.snapshot.clip_point(exact_unclipped, Bias::Left);
10290 let next_valid = self.snapshot.clip_point(exact_unclipped, Bias::Right);
10291
10292 let column_overshoot_after_line_end = (x_overshoot_after_line_end / self.em_advance) as u32;
10293 *exact_unclipped.column_mut() += column_overshoot_after_line_end;
10294 PointForPosition {
10295 previous_valid,
10296 next_valid,
10297 exact_unclipped,
10298 column_overshoot_after_line_end,
10299 }
10300 }
10301}
10302
10303struct BlockLayout {
10304 id: BlockId,
10305 x_offset: Pixels,
10306 row: Option<DisplayRow>,
10307 element: AnyElement,
10308 available_space: Size<AvailableSpace>,
10309 style: BlockStyle,
10310 overlaps_gutter: bool,
10311 is_buffer_header: bool,
10312}
10313
10314pub fn layout_line(
10315 row: DisplayRow,
10316 snapshot: &EditorSnapshot,
10317 style: &EditorStyle,
10318 text_width: Pixels,
10319 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
10320 window: &mut Window,
10321 cx: &mut App,
10322) -> LineWithInvisibles {
10323 let chunks = snapshot.highlighted_chunks(row..row + DisplayRow(1), true, style);
10324 LineWithInvisibles::from_chunks(
10325 chunks,
10326 style,
10327 MAX_LINE_LEN,
10328 1,
10329 &snapshot.mode,
10330 text_width,
10331 is_row_soft_wrapped,
10332 &[],
10333 window,
10334 cx,
10335 )
10336 .pop()
10337 .unwrap()
10338}
10339
10340#[derive(Debug)]
10341pub struct IndentGuideLayout {
10342 origin: gpui::Point<Pixels>,
10343 length: Pixels,
10344 single_indent_width: Pixels,
10345 depth: u32,
10346 active: bool,
10347 settings: IndentGuideSettings,
10348}
10349
10350pub struct CursorLayout {
10351 origin: gpui::Point<Pixels>,
10352 block_width: Pixels,
10353 line_height: Pixels,
10354 color: Hsla,
10355 shape: CursorShape,
10356 block_text: Option<ShapedLine>,
10357 cursor_name: Option<AnyElement>,
10358}
10359
10360#[derive(Debug)]
10361pub struct CursorName {
10362 string: SharedString,
10363 color: Hsla,
10364 is_top_row: bool,
10365}
10366
10367impl CursorLayout {
10368 pub fn new(
10369 origin: gpui::Point<Pixels>,
10370 block_width: Pixels,
10371 line_height: Pixels,
10372 color: Hsla,
10373 shape: CursorShape,
10374 block_text: Option<ShapedLine>,
10375 ) -> CursorLayout {
10376 CursorLayout {
10377 origin,
10378 block_width,
10379 line_height,
10380 color,
10381 shape,
10382 block_text,
10383 cursor_name: None,
10384 }
10385 }
10386
10387 pub fn bounding_rect(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10388 Bounds {
10389 origin: self.origin + origin,
10390 size: size(self.block_width, self.line_height),
10391 }
10392 }
10393
10394 fn bounds(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10395 match self.shape {
10396 CursorShape::Bar => Bounds {
10397 origin: self.origin + origin,
10398 size: size(px(2.0), self.line_height),
10399 },
10400 CursorShape::Block | CursorShape::Hollow => Bounds {
10401 origin: self.origin + origin,
10402 size: size(self.block_width, self.line_height),
10403 },
10404 CursorShape::Underline => Bounds {
10405 origin: self.origin
10406 + origin
10407 + gpui::Point::new(Pixels::ZERO, self.line_height - px(2.0)),
10408 size: size(self.block_width, px(2.0)),
10409 },
10410 }
10411 }
10412
10413 pub fn layout(
10414 &mut self,
10415 origin: gpui::Point<Pixels>,
10416 cursor_name: Option<CursorName>,
10417 window: &mut Window,
10418 cx: &mut App,
10419 ) {
10420 if let Some(cursor_name) = cursor_name {
10421 let bounds = self.bounds(origin);
10422 let text_size = self.line_height / 1.5;
10423
10424 let name_origin = if cursor_name.is_top_row {
10425 point(bounds.right() - px(1.), bounds.top())
10426 } else {
10427 match self.shape {
10428 CursorShape::Bar => point(
10429 bounds.right() - px(2.),
10430 bounds.top() - text_size / 2. - px(1.),
10431 ),
10432 _ => point(
10433 bounds.right() - px(1.),
10434 bounds.top() - text_size / 2. - px(1.),
10435 ),
10436 }
10437 };
10438 let mut name_element = div()
10439 .bg(self.color)
10440 .text_size(text_size)
10441 .px_0p5()
10442 .line_height(text_size + px(2.))
10443 .text_color(cursor_name.color)
10444 .child(cursor_name.string)
10445 .into_any_element();
10446
10447 name_element.prepaint_as_root(name_origin, AvailableSpace::min_size(), window, cx);
10448
10449 self.cursor_name = Some(name_element);
10450 }
10451 }
10452
10453 pub fn paint(&mut self, origin: gpui::Point<Pixels>, window: &mut Window, cx: &mut App) {
10454 let bounds = self.bounds(origin);
10455
10456 //Draw background or border quad
10457 let cursor = if matches!(self.shape, CursorShape::Hollow) {
10458 outline(bounds, self.color, BorderStyle::Solid)
10459 } else {
10460 fill(bounds, self.color)
10461 };
10462
10463 if let Some(name) = &mut self.cursor_name {
10464 name.paint(window, cx);
10465 }
10466
10467 window.paint_quad(cursor);
10468
10469 if let Some(block_text) = &self.block_text {
10470 block_text
10471 .paint(self.origin + origin, self.line_height, window, cx)
10472 .log_err();
10473 }
10474 }
10475
10476 pub fn shape(&self) -> CursorShape {
10477 self.shape
10478 }
10479}
10480
10481#[derive(Debug)]
10482pub struct HighlightedRange {
10483 pub start_y: Pixels,
10484 pub line_height: Pixels,
10485 pub lines: Vec<HighlightedRangeLine>,
10486 pub color: Hsla,
10487 pub corner_radius: Pixels,
10488}
10489
10490#[derive(Debug)]
10491pub struct HighlightedRangeLine {
10492 pub start_x: Pixels,
10493 pub end_x: Pixels,
10494}
10495
10496impl HighlightedRange {
10497 pub fn paint(&self, fill: bool, bounds: Bounds<Pixels>, window: &mut Window) {
10498 if self.lines.len() >= 2 && self.lines[0].start_x > self.lines[1].end_x {
10499 self.paint_lines(self.start_y, &self.lines[0..1], fill, bounds, window);
10500 self.paint_lines(
10501 self.start_y + self.line_height,
10502 &self.lines[1..],
10503 fill,
10504 bounds,
10505 window,
10506 );
10507 } else {
10508 self.paint_lines(self.start_y, &self.lines, fill, bounds, window);
10509 }
10510 }
10511
10512 fn paint_lines(
10513 &self,
10514 start_y: Pixels,
10515 lines: &[HighlightedRangeLine],
10516 fill: bool,
10517 _bounds: Bounds<Pixels>,
10518 window: &mut Window,
10519 ) {
10520 if lines.is_empty() {
10521 return;
10522 }
10523
10524 let first_line = lines.first().unwrap();
10525 let last_line = lines.last().unwrap();
10526
10527 let first_top_left = point(first_line.start_x, start_y);
10528 let first_top_right = point(first_line.end_x, start_y);
10529
10530 let curve_height = point(Pixels::ZERO, self.corner_radius);
10531 let curve_width = |start_x: Pixels, end_x: Pixels| {
10532 let max = (end_x - start_x) / 2.;
10533 let width = if max < self.corner_radius {
10534 max
10535 } else {
10536 self.corner_radius
10537 };
10538
10539 point(width, Pixels::ZERO)
10540 };
10541
10542 let top_curve_width = curve_width(first_line.start_x, first_line.end_x);
10543 let mut builder = if fill {
10544 gpui::PathBuilder::fill()
10545 } else {
10546 gpui::PathBuilder::stroke(px(1.))
10547 };
10548 builder.move_to(first_top_right - top_curve_width);
10549 builder.curve_to(first_top_right + curve_height, first_top_right);
10550
10551 let mut iter = lines.iter().enumerate().peekable();
10552 while let Some((ix, line)) = iter.next() {
10553 let bottom_right = point(line.end_x, start_y + (ix + 1) as f32 * self.line_height);
10554
10555 if let Some((_, next_line)) = iter.peek() {
10556 let next_top_right = point(next_line.end_x, bottom_right.y);
10557
10558 match next_top_right.x.partial_cmp(&bottom_right.x).unwrap() {
10559 Ordering::Equal => {
10560 builder.line_to(bottom_right);
10561 }
10562 Ordering::Less => {
10563 let curve_width = curve_width(next_top_right.x, bottom_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 Ordering::Greater => {
10574 let curve_width = curve_width(bottom_right.x, next_top_right.x);
10575 builder.line_to(bottom_right - curve_height);
10576 if self.corner_radius > Pixels::ZERO {
10577 builder.curve_to(bottom_right + curve_width, bottom_right);
10578 }
10579 builder.line_to(next_top_right - curve_width);
10580 if self.corner_radius > Pixels::ZERO {
10581 builder.curve_to(next_top_right + curve_height, next_top_right);
10582 }
10583 }
10584 }
10585 } else {
10586 let curve_width = curve_width(line.start_x, line.end_x);
10587 builder.line_to(bottom_right - curve_height);
10588 if self.corner_radius > Pixels::ZERO {
10589 builder.curve_to(bottom_right - curve_width, bottom_right);
10590 }
10591
10592 let bottom_left = point(line.start_x, bottom_right.y);
10593 builder.line_to(bottom_left + curve_width);
10594 if self.corner_radius > Pixels::ZERO {
10595 builder.curve_to(bottom_left - curve_height, bottom_left);
10596 }
10597 }
10598 }
10599
10600 if first_line.start_x > last_line.start_x {
10601 let curve_width = curve_width(last_line.start_x, first_line.start_x);
10602 let second_top_left = point(last_line.start_x, start_y + self.line_height);
10603 builder.line_to(second_top_left + curve_height);
10604 if self.corner_radius > Pixels::ZERO {
10605 builder.curve_to(second_top_left + curve_width, second_top_left);
10606 }
10607 let first_bottom_left = point(first_line.start_x, second_top_left.y);
10608 builder.line_to(first_bottom_left - curve_width);
10609 if self.corner_radius > Pixels::ZERO {
10610 builder.curve_to(first_bottom_left - curve_height, first_bottom_left);
10611 }
10612 }
10613
10614 builder.line_to(first_top_left + curve_height);
10615 if self.corner_radius > Pixels::ZERO {
10616 builder.curve_to(first_top_left + top_curve_width, first_top_left);
10617 }
10618 builder.line_to(first_top_right - top_curve_width);
10619
10620 if let Ok(path) = builder.build() {
10621 window.paint_path(path, self.color);
10622 }
10623 }
10624}
10625
10626enum CursorPopoverType {
10627 CodeContextMenu,
10628 EditPrediction,
10629}
10630
10631pub fn scale_vertical_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10632 (delta.pow(1.2) / 100.0).min(px(3.0)).into()
10633}
10634
10635fn scale_horizontal_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10636 (delta.pow(1.2) / 300.0).into()
10637}
10638
10639pub fn register_action<T: Action>(
10640 editor: &Entity<Editor>,
10641 window: &mut Window,
10642 listener: impl Fn(&mut Editor, &T, &mut Window, &mut Context<Editor>) + 'static,
10643) {
10644 let editor = editor.clone();
10645 window.on_action(TypeId::of::<T>(), move |action, phase, window, cx| {
10646 let action = action.downcast_ref().unwrap();
10647 if phase == DispatchPhase::Bubble {
10648 editor.update(cx, |editor, cx| {
10649 listener(editor, action, window, cx);
10650 })
10651 }
10652 })
10653}
10654
10655fn compute_auto_height_layout(
10656 editor: &mut Editor,
10657 min_lines: usize,
10658 max_lines: Option<usize>,
10659 max_line_number_width: Pixels,
10660 known_dimensions: Size<Option<Pixels>>,
10661 available_width: AvailableSpace,
10662 window: &mut Window,
10663 cx: &mut Context<Editor>,
10664) -> Option<Size<Pixels>> {
10665 let width = known_dimensions.width.or({
10666 if let AvailableSpace::Definite(available_width) = available_width {
10667 Some(available_width)
10668 } else {
10669 None
10670 }
10671 })?;
10672 if let Some(height) = known_dimensions.height {
10673 return Some(size(width, height));
10674 }
10675
10676 let style = editor.style.as_ref().unwrap();
10677 let font_id = window.text_system().resolve_font(&style.text.font());
10678 let font_size = style.text.font_size.to_pixels(window.rem_size());
10679 let line_height = style.text.line_height_in_pixels(window.rem_size());
10680 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
10681
10682 let mut snapshot = editor.snapshot(window, cx);
10683 let gutter_dimensions = snapshot
10684 .gutter_dimensions(font_id, font_size, max_line_number_width, cx)
10685 .or_else(|| {
10686 editor
10687 .offset_content
10688 .then(|| GutterDimensions::default_with_margin(font_id, font_size, cx))
10689 })
10690 .unwrap_or_default();
10691
10692 editor.gutter_dimensions = gutter_dimensions;
10693 let text_width = width - gutter_dimensions.width;
10694 let overscroll = size(em_width, px(0.));
10695
10696 let editor_width = text_width - gutter_dimensions.margin - overscroll.width - em_width;
10697 if !matches!(editor.soft_wrap_mode(cx), SoftWrap::None)
10698 && editor.set_wrap_width(Some(editor_width), cx)
10699 {
10700 snapshot = editor.snapshot(window, cx);
10701 }
10702
10703 let scroll_height = (snapshot.max_point().row().next_row().0 as f32) * line_height;
10704
10705 let min_height = line_height * min_lines as f32;
10706 let content_height = scroll_height.max(min_height);
10707
10708 let final_height = if let Some(max_lines) = max_lines {
10709 let max_height = line_height * max_lines as f32;
10710 content_height.min(max_height)
10711 } else {
10712 content_height
10713 };
10714
10715 Some(size(width, final_height))
10716}
10717
10718#[cfg(test)]
10719mod tests {
10720 use super::*;
10721 use crate::{
10722 Editor, MultiBuffer, SelectionEffects,
10723 display_map::{BlockPlacement, BlockProperties},
10724 editor_tests::{init_test, update_test_language_settings},
10725 };
10726 use gpui::{TestAppContext, VisualTestContext};
10727 use language::language_settings;
10728 use log::info;
10729 use std::num::NonZeroU32;
10730 use util::test::sample_text;
10731
10732 #[gpui::test]
10733 async fn test_soft_wrap_editor_width_auto_height_editor(cx: &mut TestAppContext) {
10734 init_test(cx, |_| {});
10735
10736 let window = cx.add_window(|window, cx| {
10737 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10738 let mut editor = Editor::new(
10739 EditorMode::AutoHeight {
10740 min_lines: 1,
10741 max_lines: None,
10742 },
10743 buffer,
10744 None,
10745 window,
10746 cx,
10747 );
10748 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10749 editor
10750 });
10751 let cx = &mut VisualTestContext::from_window(*window, cx);
10752 let editor = window.root(cx).unwrap();
10753 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10754
10755 for x in 1..=100 {
10756 let (_, state) = cx.draw(
10757 Default::default(),
10758 size(px(200. + 0.13 * x as f32), px(500.)),
10759 |_, _| EditorElement::new(&editor, style.clone()),
10760 );
10761
10762 assert!(
10763 state.position_map.scroll_max.x == 0.,
10764 "Soft wrapped editor should have no horizontal scrolling!"
10765 );
10766 }
10767 }
10768
10769 #[gpui::test]
10770 async fn test_soft_wrap_editor_width_full_editor(cx: &mut TestAppContext) {
10771 init_test(cx, |_| {});
10772
10773 let window = cx.add_window(|window, cx| {
10774 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10775 let mut editor = Editor::new(EditorMode::full(), buffer, None, window, cx);
10776 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10777 editor
10778 });
10779 let cx = &mut VisualTestContext::from_window(*window, cx);
10780 let editor = window.root(cx).unwrap();
10781 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10782
10783 for x in 1..=100 {
10784 let (_, state) = cx.draw(
10785 Default::default(),
10786 size(px(200. + 0.13 * x as f32), px(500.)),
10787 |_, _| EditorElement::new(&editor, style.clone()),
10788 );
10789
10790 assert!(
10791 state.position_map.scroll_max.x == 0.,
10792 "Soft wrapped editor should have no horizontal scrolling!"
10793 );
10794 }
10795 }
10796
10797 #[gpui::test]
10798 fn test_shape_line_numbers(cx: &mut TestAppContext) {
10799 init_test(cx, |_| {});
10800 let window = cx.add_window(|window, cx| {
10801 let buffer = MultiBuffer::build_simple(&sample_text(6, 6, 'a'), cx);
10802 Editor::new(EditorMode::full(), buffer, None, window, cx)
10803 });
10804
10805 let editor = window.root(cx).unwrap();
10806 let style = cx.update(|cx| editor.read(cx).style().unwrap().clone());
10807 let line_height = window
10808 .update(cx, |_, window, _| {
10809 style.text.line_height_in_pixels(window.rem_size())
10810 })
10811 .unwrap();
10812 let element = EditorElement::new(&editor, style);
10813 let snapshot = window
10814 .update(cx, |editor, window, cx| editor.snapshot(window, cx))
10815 .unwrap();
10816
10817 let layouts = cx
10818 .update_window(*window, |_, window, cx| {
10819 element.layout_line_numbers(
10820 None,
10821 GutterDimensions {
10822 left_padding: Pixels::ZERO,
10823 right_padding: Pixels::ZERO,
10824 width: px(30.0),
10825 margin: Pixels::ZERO,
10826 git_blame_entries_width: None,
10827 },
10828 line_height,
10829 gpui::Point::default(),
10830 DisplayRow(0)..DisplayRow(6),
10831 &(0..6)
10832 .map(|row| RowInfo {
10833 buffer_row: Some(row),
10834 ..Default::default()
10835 })
10836 .collect::<Vec<_>>(),
10837 &BTreeMap::default(),
10838 Some(DisplayPoint::new(DisplayRow(0), 0)),
10839 &snapshot,
10840 window,
10841 cx,
10842 )
10843 })
10844 .unwrap();
10845 assert_eq!(layouts.len(), 6);
10846
10847 let relative_rows = window
10848 .update(cx, |editor, window, cx| {
10849 let snapshot = editor.snapshot(window, cx);
10850 element.calculate_relative_line_numbers(
10851 &snapshot,
10852 &(DisplayRow(0)..DisplayRow(6)),
10853 Some(DisplayRow(3)),
10854 )
10855 })
10856 .unwrap();
10857 assert_eq!(relative_rows[&DisplayRow(0)], 3);
10858 assert_eq!(relative_rows[&DisplayRow(1)], 2);
10859 assert_eq!(relative_rows[&DisplayRow(2)], 1);
10860 // current line has no relative number
10861 assert_eq!(relative_rows[&DisplayRow(4)], 1);
10862 assert_eq!(relative_rows[&DisplayRow(5)], 2);
10863
10864 // works if cursor is before screen
10865 let relative_rows = window
10866 .update(cx, |editor, window, cx| {
10867 let snapshot = editor.snapshot(window, cx);
10868 element.calculate_relative_line_numbers(
10869 &snapshot,
10870 &(DisplayRow(3)..DisplayRow(6)),
10871 Some(DisplayRow(1)),
10872 )
10873 })
10874 .unwrap();
10875 assert_eq!(relative_rows.len(), 3);
10876 assert_eq!(relative_rows[&DisplayRow(3)], 2);
10877 assert_eq!(relative_rows[&DisplayRow(4)], 3);
10878 assert_eq!(relative_rows[&DisplayRow(5)], 4);
10879
10880 // works if cursor is after screen
10881 let relative_rows = window
10882 .update(cx, |editor, window, cx| {
10883 let snapshot = editor.snapshot(window, cx);
10884 element.calculate_relative_line_numbers(
10885 &snapshot,
10886 &(DisplayRow(0)..DisplayRow(3)),
10887 Some(DisplayRow(6)),
10888 )
10889 })
10890 .unwrap();
10891 assert_eq!(relative_rows.len(), 3);
10892 assert_eq!(relative_rows[&DisplayRow(0)], 5);
10893 assert_eq!(relative_rows[&DisplayRow(1)], 4);
10894 assert_eq!(relative_rows[&DisplayRow(2)], 3);
10895 }
10896
10897 #[gpui::test]
10898 async fn test_vim_visual_selections(cx: &mut TestAppContext) {
10899 init_test(cx, |_| {});
10900
10901 let window = cx.add_window(|window, cx| {
10902 let buffer = MultiBuffer::build_simple(&(sample_text(6, 6, 'a') + "\n"), cx);
10903 Editor::new(EditorMode::full(), buffer, None, window, cx)
10904 });
10905 let cx = &mut VisualTestContext::from_window(*window, cx);
10906 let editor = window.root(cx).unwrap();
10907 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10908
10909 window
10910 .update(cx, |editor, window, cx| {
10911 editor.cursor_shape = CursorShape::Block;
10912 editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
10913 s.select_ranges([
10914 Point::new(0, 0)..Point::new(1, 0),
10915 Point::new(3, 2)..Point::new(3, 3),
10916 Point::new(5, 6)..Point::new(6, 0),
10917 ]);
10918 });
10919 })
10920 .unwrap();
10921
10922 let (_, state) = cx.draw(
10923 point(px(500.), px(500.)),
10924 size(px(500.), px(500.)),
10925 |_, _| EditorElement::new(&editor, style),
10926 );
10927
10928 assert_eq!(state.selections.len(), 1);
10929 let local_selections = &state.selections[0].1;
10930 assert_eq!(local_selections.len(), 3);
10931 // moves cursor back one line
10932 assert_eq!(
10933 local_selections[0].head,
10934 DisplayPoint::new(DisplayRow(0), 6)
10935 );
10936 assert_eq!(
10937 local_selections[0].range,
10938 DisplayPoint::new(DisplayRow(0), 0)..DisplayPoint::new(DisplayRow(1), 0)
10939 );
10940
10941 // moves cursor back one column
10942 assert_eq!(
10943 local_selections[1].range,
10944 DisplayPoint::new(DisplayRow(3), 2)..DisplayPoint::new(DisplayRow(3), 3)
10945 );
10946 assert_eq!(
10947 local_selections[1].head,
10948 DisplayPoint::new(DisplayRow(3), 2)
10949 );
10950
10951 // leaves cursor on the max point
10952 assert_eq!(
10953 local_selections[2].range,
10954 DisplayPoint::new(DisplayRow(5), 6)..DisplayPoint::new(DisplayRow(6), 0)
10955 );
10956 assert_eq!(
10957 local_selections[2].head,
10958 DisplayPoint::new(DisplayRow(6), 0)
10959 );
10960
10961 // active lines does not include 1 (even though the range of the selection does)
10962 assert_eq!(
10963 state.active_rows.keys().cloned().collect::<Vec<_>>(),
10964 vec![DisplayRow(0), DisplayRow(3), DisplayRow(5), DisplayRow(6)]
10965 );
10966 }
10967
10968 #[gpui::test]
10969 fn test_layout_with_placeholder_text_and_blocks(cx: &mut TestAppContext) {
10970 init_test(cx, |_| {});
10971
10972 let window = cx.add_window(|window, cx| {
10973 let buffer = MultiBuffer::build_simple("", cx);
10974 Editor::new(EditorMode::full(), buffer, None, window, cx)
10975 });
10976 let cx = &mut VisualTestContext::from_window(*window, cx);
10977 let editor = window.root(cx).unwrap();
10978 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10979 window
10980 .update(cx, |editor, window, cx| {
10981 editor.set_placeholder_text("hello", window, cx);
10982 editor.insert_blocks(
10983 [BlockProperties {
10984 style: BlockStyle::Fixed,
10985 placement: BlockPlacement::Above(Anchor::min()),
10986 height: Some(3),
10987 render: Arc::new(|cx| div().h(3. * cx.window.line_height()).into_any()),
10988 priority: 0,
10989 }],
10990 None,
10991 cx,
10992 );
10993
10994 // Blur the editor so that it displays placeholder text.
10995 window.blur();
10996 })
10997 .unwrap();
10998
10999 let (_, state) = cx.draw(
11000 point(px(500.), px(500.)),
11001 size(px(500.), px(500.)),
11002 |_, _| EditorElement::new(&editor, style),
11003 );
11004 assert_eq!(state.position_map.line_layouts.len(), 4);
11005 assert_eq!(state.line_numbers.len(), 1);
11006 assert_eq!(
11007 state
11008 .line_numbers
11009 .get(&MultiBufferRow(0))
11010 .map(|line_number| line_number.shaped_line.text.as_ref()),
11011 Some("1")
11012 );
11013 }
11014
11015 #[gpui::test]
11016 fn test_all_invisibles_drawing(cx: &mut TestAppContext) {
11017 const TAB_SIZE: u32 = 4;
11018
11019 let input_text = "\t \t|\t| a b";
11020 let expected_invisibles = vec![
11021 Invisible::Tab {
11022 line_start_offset: 0,
11023 line_end_offset: TAB_SIZE as usize,
11024 },
11025 Invisible::Whitespace {
11026 line_offset: TAB_SIZE as usize,
11027 },
11028 Invisible::Tab {
11029 line_start_offset: TAB_SIZE as usize + 1,
11030 line_end_offset: TAB_SIZE as usize * 2,
11031 },
11032 Invisible::Tab {
11033 line_start_offset: TAB_SIZE as usize * 2 + 1,
11034 line_end_offset: TAB_SIZE as usize * 3,
11035 },
11036 Invisible::Whitespace {
11037 line_offset: TAB_SIZE as usize * 3 + 1,
11038 },
11039 Invisible::Whitespace {
11040 line_offset: TAB_SIZE as usize * 3 + 3,
11041 },
11042 ];
11043 assert_eq!(
11044 expected_invisibles.len(),
11045 input_text
11046 .chars()
11047 .filter(|initial_char| initial_char.is_whitespace())
11048 .count(),
11049 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
11050 );
11051
11052 for show_line_numbers in [true, false] {
11053 init_test(cx, |s| {
11054 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11055 s.defaults.tab_size = NonZeroU32::new(TAB_SIZE);
11056 });
11057
11058 let actual_invisibles = collect_invisibles_from_new_editor(
11059 cx,
11060 EditorMode::full(),
11061 input_text,
11062 px(500.0),
11063 show_line_numbers,
11064 );
11065
11066 assert_eq!(expected_invisibles, actual_invisibles);
11067 }
11068 }
11069
11070 #[gpui::test]
11071 fn test_invisibles_dont_appear_in_certain_editors(cx: &mut TestAppContext) {
11072 init_test(cx, |s| {
11073 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11074 s.defaults.tab_size = NonZeroU32::new(4);
11075 });
11076
11077 for editor_mode_without_invisibles in [
11078 EditorMode::SingleLine,
11079 EditorMode::AutoHeight {
11080 min_lines: 1,
11081 max_lines: Some(100),
11082 },
11083 ] {
11084 for show_line_numbers in [true, false] {
11085 let invisibles = collect_invisibles_from_new_editor(
11086 cx,
11087 editor_mode_without_invisibles.clone(),
11088 "\t\t\t| | a b",
11089 px(500.0),
11090 show_line_numbers,
11091 );
11092 assert!(
11093 invisibles.is_empty(),
11094 "For editor mode {editor_mode_without_invisibles:?} no invisibles was expected but got {invisibles:?}"
11095 );
11096 }
11097 }
11098 }
11099
11100 #[gpui::test]
11101 fn test_wrapped_invisibles_drawing(cx: &mut TestAppContext) {
11102 let tab_size = 4;
11103 let input_text = "a\tbcd ".repeat(9);
11104 let repeated_invisibles = [
11105 Invisible::Tab {
11106 line_start_offset: 1,
11107 line_end_offset: tab_size as usize,
11108 },
11109 Invisible::Whitespace {
11110 line_offset: tab_size as usize + 3,
11111 },
11112 Invisible::Whitespace {
11113 line_offset: tab_size as usize + 4,
11114 },
11115 Invisible::Whitespace {
11116 line_offset: tab_size as usize + 5,
11117 },
11118 Invisible::Whitespace {
11119 line_offset: tab_size as usize + 6,
11120 },
11121 Invisible::Whitespace {
11122 line_offset: tab_size as usize + 7,
11123 },
11124 ];
11125 let expected_invisibles = std::iter::once(repeated_invisibles)
11126 .cycle()
11127 .take(9)
11128 .flatten()
11129 .collect::<Vec<_>>();
11130 assert_eq!(
11131 expected_invisibles.len(),
11132 input_text
11133 .chars()
11134 .filter(|initial_char| initial_char.is_whitespace())
11135 .count(),
11136 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
11137 );
11138 info!("Expected invisibles: {expected_invisibles:?}");
11139
11140 init_test(cx, |_| {});
11141
11142 // Put the same string with repeating whitespace pattern into editors of various size,
11143 // take deliberately small steps during resizing, to put all whitespace kinds near the wrap point.
11144 let resize_step = 10.0;
11145 let mut editor_width = 200.0;
11146 while editor_width <= 1000.0 {
11147 for show_line_numbers in [true, false] {
11148 update_test_language_settings(cx, |s| {
11149 s.defaults.tab_size = NonZeroU32::new(tab_size);
11150 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11151 s.defaults.preferred_line_length = Some(editor_width as u32);
11152 s.defaults.soft_wrap = Some(language_settings::SoftWrap::PreferredLineLength);
11153 });
11154
11155 let actual_invisibles = collect_invisibles_from_new_editor(
11156 cx,
11157 EditorMode::full(),
11158 &input_text,
11159 px(editor_width),
11160 show_line_numbers,
11161 );
11162
11163 // Whatever the editor size is, ensure it has the same invisible kinds in the same order
11164 // (no good guarantees about the offsets: wrapping could trigger padding and its tests should check the offsets).
11165 let mut i = 0;
11166 for (actual_index, actual_invisible) in actual_invisibles.iter().enumerate() {
11167 i = actual_index;
11168 match expected_invisibles.get(i) {
11169 Some(expected_invisible) => match (expected_invisible, actual_invisible) {
11170 (Invisible::Whitespace { .. }, Invisible::Whitespace { .. })
11171 | (Invisible::Tab { .. }, Invisible::Tab { .. }) => {}
11172 _ => {
11173 panic!(
11174 "At index {i}, expected invisible {expected_invisible:?} does not match actual {actual_invisible:?} by kind. Actual invisibles: {actual_invisibles:?}"
11175 )
11176 }
11177 },
11178 None => {
11179 panic!("Unexpected extra invisible {actual_invisible:?} at index {i}")
11180 }
11181 }
11182 }
11183 let missing_expected_invisibles = &expected_invisibles[i + 1..];
11184 assert!(
11185 missing_expected_invisibles.is_empty(),
11186 "Missing expected invisibles after index {i}: {missing_expected_invisibles:?}"
11187 );
11188
11189 editor_width += resize_step;
11190 }
11191 }
11192 }
11193
11194 fn collect_invisibles_from_new_editor(
11195 cx: &mut TestAppContext,
11196 editor_mode: EditorMode,
11197 input_text: &str,
11198 editor_width: Pixels,
11199 show_line_numbers: bool,
11200 ) -> Vec<Invisible> {
11201 info!(
11202 "Creating editor with mode {editor_mode:?}, width {}px and text '{input_text}'",
11203 f32::from(editor_width)
11204 );
11205 let window = cx.add_window(|window, cx| {
11206 let buffer = MultiBuffer::build_simple(input_text, cx);
11207 Editor::new(editor_mode, buffer, None, window, cx)
11208 });
11209 let cx = &mut VisualTestContext::from_window(*window, cx);
11210 let editor = window.root(cx).unwrap();
11211
11212 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
11213 window
11214 .update(cx, |editor, _, cx| {
11215 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
11216 editor.set_wrap_width(Some(editor_width), cx);
11217 editor.set_show_line_numbers(show_line_numbers, cx);
11218 })
11219 .unwrap();
11220 let (_, state) = cx.draw(
11221 point(px(500.), px(500.)),
11222 size(px(500.), px(500.)),
11223 |_, _| EditorElement::new(&editor, style),
11224 );
11225 state
11226 .position_map
11227 .line_layouts
11228 .iter()
11229 .flat_map(|line_with_invisibles| &line_with_invisibles.invisibles)
11230 .cloned()
11231 .collect()
11232 }
11233
11234 #[gpui::test]
11235 fn test_merge_overlapping_ranges() {
11236 let base_bg = Hsla::white();
11237 let color1 = Hsla {
11238 h: 0.0,
11239 s: 0.5,
11240 l: 0.5,
11241 a: 0.5,
11242 };
11243 let color2 = Hsla {
11244 h: 120.0,
11245 s: 0.5,
11246 l: 0.5,
11247 a: 0.5,
11248 };
11249
11250 let display_point = |col| DisplayPoint::new(DisplayRow(0), col);
11251 let cols = |v: &Vec<(Range<DisplayPoint>, Hsla)>| -> Vec<(u32, u32)> {
11252 v.iter()
11253 .map(|(r, _)| (r.start.column(), r.end.column()))
11254 .collect()
11255 };
11256
11257 // Test overlapping ranges blend colors
11258 let overlapping = vec![
11259 (display_point(5)..display_point(15), color1),
11260 (display_point(10)..display_point(20), color2),
11261 ];
11262 let result = EditorElement::merge_overlapping_ranges(overlapping, base_bg);
11263 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11264
11265 // Test middle segment should have blended color
11266 let blended = Hsla::blend(Hsla::blend(base_bg, color1), color2);
11267 assert_eq!(result[1].1, blended);
11268
11269 // Test adjacent same-color ranges merge
11270 let adjacent_same = vec![
11271 (display_point(5)..display_point(10), color1),
11272 (display_point(10)..display_point(15), color1),
11273 ];
11274 let result = EditorElement::merge_overlapping_ranges(adjacent_same, base_bg);
11275 assert_eq!(cols(&result), vec![(5, 15)]);
11276
11277 // Test contained range splits
11278 let contained = vec![
11279 (display_point(5)..display_point(20), color1),
11280 (display_point(10)..display_point(15), color2),
11281 ];
11282 let result = EditorElement::merge_overlapping_ranges(contained, base_bg);
11283 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11284
11285 // Test multiple overlaps split at every boundary
11286 let color3 = Hsla {
11287 h: 240.0,
11288 s: 0.5,
11289 l: 0.5,
11290 a: 0.5,
11291 };
11292 let complex = vec![
11293 (display_point(5)..display_point(12), color1),
11294 (display_point(8)..display_point(16), color2),
11295 (display_point(10)..display_point(14), color3),
11296 ];
11297 let result = EditorElement::merge_overlapping_ranges(complex, base_bg);
11298 assert_eq!(
11299 cols(&result),
11300 vec![(5, 8), (8, 10), (10, 12), (12, 14), (14, 16)]
11301 );
11302 }
11303
11304 #[gpui::test]
11305 fn test_bg_segments_per_row() {
11306 let base_bg = Hsla::white();
11307
11308 // Case A: selection spans three display rows: row 1 [5, end), full row 2, row 3 [0, 7)
11309 {
11310 let selection_color = Hsla {
11311 h: 200.0,
11312 s: 0.5,
11313 l: 0.5,
11314 a: 0.5,
11315 };
11316 let player_color = PlayerColor {
11317 cursor: selection_color,
11318 background: selection_color,
11319 selection: selection_color,
11320 };
11321
11322 let spanning_selection = SelectionLayout {
11323 head: DisplayPoint::new(DisplayRow(3), 7),
11324 cursor_shape: CursorShape::Bar,
11325 is_newest: true,
11326 is_local: true,
11327 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 7),
11328 active_rows: DisplayRow(1)..DisplayRow(4),
11329 user_name: None,
11330 };
11331
11332 let selections = vec![(player_color, vec![spanning_selection])];
11333 let result = EditorElement::bg_segments_per_row(
11334 DisplayRow(0)..DisplayRow(5),
11335 &selections,
11336 &[],
11337 base_bg,
11338 );
11339
11340 assert_eq!(result.len(), 5);
11341 assert!(result[0].is_empty());
11342 assert_eq!(result[1].len(), 1);
11343 assert_eq!(result[2].len(), 1);
11344 assert_eq!(result[3].len(), 1);
11345 assert!(result[4].is_empty());
11346
11347 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11348 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11349 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11350 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11351 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11352 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11353 assert_eq!(result[3][0].0.start, DisplayPoint::new(DisplayRow(3), 0));
11354 assert_eq!(result[3][0].0.end, DisplayPoint::new(DisplayRow(3), 7));
11355 }
11356
11357 // Case B: selection ends exactly at the start of row 3, excluding row 3
11358 {
11359 let selection_color = Hsla {
11360 h: 120.0,
11361 s: 0.5,
11362 l: 0.5,
11363 a: 0.5,
11364 };
11365 let player_color = PlayerColor {
11366 cursor: selection_color,
11367 background: selection_color,
11368 selection: selection_color,
11369 };
11370
11371 let selection = SelectionLayout {
11372 head: DisplayPoint::new(DisplayRow(2), 0),
11373 cursor_shape: CursorShape::Bar,
11374 is_newest: true,
11375 is_local: true,
11376 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 0),
11377 active_rows: DisplayRow(1)..DisplayRow(3),
11378 user_name: None,
11379 };
11380
11381 let selections = vec![(player_color, vec![selection])];
11382 let result = EditorElement::bg_segments_per_row(
11383 DisplayRow(0)..DisplayRow(4),
11384 &selections,
11385 &[],
11386 base_bg,
11387 );
11388
11389 assert_eq!(result.len(), 4);
11390 assert!(result[0].is_empty());
11391 assert_eq!(result[1].len(), 1);
11392 assert_eq!(result[2].len(), 1);
11393 assert!(result[3].is_empty());
11394
11395 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11396 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11397 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11398 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11399 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11400 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11401 }
11402 }
11403
11404 #[cfg(test)]
11405 fn generate_test_run(len: usize, color: Hsla) -> TextRun {
11406 TextRun {
11407 len,
11408 font: gpui::font(".SystemUIFont"),
11409 color,
11410 background_color: None,
11411 underline: None,
11412 strikethrough: None,
11413 }
11414 }
11415
11416 #[gpui::test]
11417 fn test_split_runs_by_bg_segments(cx: &mut gpui::TestAppContext) {
11418 init_test(cx, |_| {});
11419
11420 let dx = |start: u32, end: u32| {
11421 DisplayPoint::new(DisplayRow(0), start)..DisplayPoint::new(DisplayRow(0), end)
11422 };
11423
11424 let text_color = Hsla {
11425 h: 210.0,
11426 s: 0.1,
11427 l: 0.4,
11428 a: 1.0,
11429 };
11430 let bg_1 = Hsla {
11431 h: 30.0,
11432 s: 0.6,
11433 l: 0.8,
11434 a: 1.0,
11435 };
11436 let bg_2 = Hsla {
11437 h: 200.0,
11438 s: 0.6,
11439 l: 0.2,
11440 a: 1.0,
11441 };
11442 let min_contrast = 45.0;
11443 let adjusted_bg1 = ensure_minimum_contrast(text_color, bg_1, min_contrast);
11444 let adjusted_bg2 = ensure_minimum_contrast(text_color, bg_2, min_contrast);
11445
11446 // Case A: single run; disjoint segments inside the run
11447 {
11448 let runs = vec![generate_test_run(20, text_color)];
11449 let segs = vec![(dx(5, 10), bg_1), (dx(12, 16), bg_2)];
11450 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11451 // Expected slices: [0,5) [5,10) [10,12) [12,16) [16,20)
11452 assert_eq!(
11453 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11454 vec![5, 5, 2, 4, 4]
11455 );
11456 assert_eq!(out[0].color, text_color);
11457 assert_eq!(out[1].color, adjusted_bg1);
11458 assert_eq!(out[2].color, text_color);
11459 assert_eq!(out[3].color, adjusted_bg2);
11460 assert_eq!(out[4].color, text_color);
11461 }
11462
11463 // Case B: multiple runs; segment extends to end of line (u32::MAX)
11464 {
11465 let runs = vec![
11466 generate_test_run(8, text_color),
11467 generate_test_run(7, text_color),
11468 ];
11469 let segs = vec![(dx(6, u32::MAX), bg_1)];
11470 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11471 // Expected slices across runs: [0,6) [6,8) | [0,7)
11472 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![6, 2, 7]);
11473 assert_eq!(out[0].color, text_color);
11474 assert_eq!(out[1].color, adjusted_bg1);
11475 assert_eq!(out[2].color, adjusted_bg1);
11476 }
11477
11478 // Case C: multi-byte characters
11479 {
11480 // for text: "Hello π δΈη!"
11481 let runs = vec![
11482 generate_test_run(5, text_color), // "Hello"
11483 generate_test_run(6, text_color), // " π "
11484 generate_test_run(6, text_color), // "δΈη"
11485 generate_test_run(1, text_color), // "!"
11486 ];
11487 // selecting "π δΈ"
11488 let segs = vec![(dx(6, 14), bg_1)];
11489 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11490 // "Hello" | " " | "π " | "δΈ" | "η" | "!"
11491 assert_eq!(
11492 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11493 vec![5, 1, 5, 3, 3, 1]
11494 );
11495 assert_eq!(out[0].color, text_color); // "Hello"
11496 assert_eq!(out[2].color, adjusted_bg1); // "π "
11497 assert_eq!(out[3].color, adjusted_bg1); // "δΈ"
11498 assert_eq!(out[4].color, text_color); // "η"
11499 assert_eq!(out[5].color, text_color); // "!"
11500 }
11501
11502 // Case D: split multiple consecutive text runs with segments
11503 {
11504 let segs = vec![
11505 (dx(2, 4), bg_1), // selecting "cd"
11506 (dx(4, 8), bg_2), // selecting "efgh"
11507 (dx(9, 11), bg_1), // selecting "jk"
11508 (dx(12, 16), bg_2), // selecting "mnop"
11509 (dx(18, 19), bg_1), // selecting "s"
11510 ];
11511
11512 // for text: "abcdef"
11513 let runs = vec![
11514 generate_test_run(2, text_color), // ab
11515 generate_test_run(4, text_color), // cdef
11516 ];
11517 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11518 // new splits "ab", "cd", "ef"
11519 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![2, 2, 2]);
11520 assert_eq!(out[0].color, text_color);
11521 assert_eq!(out[1].color, adjusted_bg1);
11522 assert_eq!(out[2].color, adjusted_bg2);
11523
11524 // for text: "ghijklmn"
11525 let runs = vec![
11526 generate_test_run(3, text_color), // ghi
11527 generate_test_run(2, text_color), // jk
11528 generate_test_run(3, text_color), // lmn
11529 ];
11530 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 6); // 2 + 4 from first run
11531 // new splits "gh", "i", "jk", "l", "mn"
11532 assert_eq!(
11533 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11534 vec![2, 1, 2, 1, 2]
11535 );
11536 assert_eq!(out[0].color, adjusted_bg2);
11537 assert_eq!(out[1].color, text_color);
11538 assert_eq!(out[2].color, adjusted_bg1);
11539 assert_eq!(out[3].color, text_color);
11540 assert_eq!(out[4].color, adjusted_bg2);
11541
11542 // for text: "opqrs"
11543 let runs = vec![
11544 generate_test_run(1, text_color), // o
11545 generate_test_run(4, text_color), // pqrs
11546 ];
11547 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 14); // 6 + 3 + 2 + 3 from first two runs
11548 // new splits "o", "p", "qr", "s"
11549 assert_eq!(
11550 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11551 vec![1, 1, 2, 1]
11552 );
11553 assert_eq!(out[0].color, adjusted_bg2);
11554 assert_eq!(out[1].color, adjusted_bg2);
11555 assert_eq!(out[2].color, text_color);
11556 assert_eq!(out[3].color, adjusted_bg1);
11557 }
11558 }
11559}