1use crate::{
2 ActiveDiagnostic, BUFFER_HEADER_PADDING, BlockId, CURSORS_VISIBLE_FOR, ChunkRendererContext,
3 ChunkReplacement, CodeActionSource, ColumnarMode, ConflictsOurs, ConflictsOursMarker,
4 ConflictsOuter, ConflictsTheirs, ConflictsTheirsMarker, ContextMenuPlacement, CursorShape,
5 CustomBlockId, DisplayDiffHunk, DisplayPoint, DisplayRow, EditDisplayMode, EditPrediction,
6 Editor, EditorMode, EditorSettings, EditorSnapshot, EditorStyle, FILE_HEADER_HEIGHT,
7 FocusedBlock, GutterDimensions, HalfPageDown, HalfPageUp, HandleInput, HoveredCursor,
8 InlayHintRefreshReason, JumpData, LineDown, LineHighlight, LineUp, MAX_LINE_LEN,
9 MINIMAP_FONT_SIZE, MULTI_BUFFER_EXCERPT_HEADER_HEIGHT, OpenExcerpts, PageDown, PageUp,
10 PhantomBreakpointIndicator, PhantomDiffReviewIndicator, Point, RowExt, RowRangeExt,
11 SelectPhase, Selection, SelectionDragState, SelectionEffects, SizingBehavior, SoftWrap,
12 StickyHeaderExcerpt, ToPoint, ToggleFold, ToggleFoldAll,
13 code_context_menus::{CodeActionsMenu, MENU_ASIDE_MAX_WIDTH, MENU_ASIDE_MIN_WIDTH, MENU_GAP},
14 column_pixels,
15 display_map::{
16 Block, BlockContext, BlockStyle, ChunkRendererId, DisplaySnapshot, EditorMargins,
17 HighlightKey, HighlightedChunk, ToDisplayPoint,
18 },
19 editor_settings::{
20 CurrentLineHighlight, DocumentColorsRenderMode, DoubleClickInMultibuffer, Minimap,
21 MinimapThumb, MinimapThumbBorder, ScrollBeyondLastLine, ScrollbarAxes,
22 ScrollbarDiagnostics, ShowMinimap,
23 },
24 git::blame::{BlameRenderer, GitBlame, GlobalBlameRenderer},
25 hover_popover::{
26 self, HOVER_POPOVER_GAP, MIN_POPOVER_CHARACTER_WIDTH, MIN_POPOVER_LINE_HEIGHT,
27 POPOVER_RIGHT_OFFSET, hover_at,
28 },
29 inlay_hint_settings,
30 mouse_context_menu::{self, MenuPosition},
31 scroll::{
32 ActiveScrollbarState, Autoscroll, ScrollOffset, ScrollPixelOffset, ScrollbarThumbState,
33 scroll_amount::ScrollAmount,
34 },
35};
36use buffer_diff::{DiffHunkStatus, DiffHunkStatusKind};
37use collections::{BTreeMap, HashMap};
38use feature_flags::{DiffReviewFeatureFlag, FeatureFlagAppExt as _};
39use file_icons::FileIcons;
40use git::{Oid, blame::BlameEntry, commit::ParsedCommitMessage, status::FileStatus};
41use gpui::{
42 Action, Along, AnyElement, App, AppContext, AvailableSpace, Axis as ScrollbarAxis, BorderStyle,
43 Bounds, ClickEvent, ClipboardItem, ContentMask, Context, Corner, Corners, CursorStyle,
44 DispatchPhase, Edges, Element, ElementInputHandler, Entity, Focusable as _, Font, FontId,
45 FontWeight, GlobalElementId, Hitbox, HitboxBehavior, Hsla, InteractiveElement, IntoElement,
46 IsZero, KeybindingKeystroke, Length, Modifiers, ModifiersChangedEvent, MouseButton,
47 MouseClickEvent, MouseDownEvent, MouseMoveEvent, MousePressureEvent, MouseUpEvent, PaintQuad,
48 ParentElement, Pixels, PressureStage, ScrollDelta, ScrollHandle, ScrollWheelEvent, ShapedLine,
49 SharedString, Size, StatefulInteractiveElement, Style, Styled, StyledText, TextAlign, TextRun,
50 TextStyleRefinement, WeakEntity, Window, anchored, deferred, div, fill, linear_color_stop,
51 linear_gradient, outline, pattern_slash, point, px, quad, relative, size, solid_background,
52 transparent_black,
53};
54use itertools::Itertools;
55use language::{HighlightedText, IndentGuideSettings, language_settings::ShowWhitespaceSetting};
56use markdown::Markdown;
57use multi_buffer::{
58 Anchor, ExcerptId, ExcerptInfo, ExpandExcerptDirection, ExpandInfo, MultiBufferPoint,
59 MultiBufferRow, RowInfo,
60};
61
62use edit_prediction_types::EditPredictionGranularity;
63
64use project::{
65 DisableAiSettings, Entry, ProjectPath,
66 debugger::breakpoint_store::{Breakpoint, BreakpointSessionState},
67 project_settings::ProjectSettings,
68};
69use settings::{
70 GitGutterSetting, GitHunkStyleSetting, IndentGuideBackgroundColoring, IndentGuideColoring,
71 RelativeLineNumbers, Settings,
72};
73use smallvec::{SmallVec, smallvec};
74use std::{
75 any::TypeId,
76 borrow::Cow,
77 cell::Cell,
78 cmp::{self, Ordering},
79 fmt::{self, Write},
80 iter, mem,
81 ops::{Deref, Range},
82 path::{self, Path},
83 rc::Rc,
84 sync::Arc,
85 time::{Duration, Instant},
86};
87use sum_tree::Bias;
88use text::{BufferId, SelectionGoal};
89use theme::{ActiveTheme, Appearance, BufferLineHeight, PlayerColor};
90use ui::utils::ensure_minimum_contrast;
91use ui::{
92 ButtonLike, ContextMenu, Indicator, KeyBinding, POPOVER_Y_PADDING, Tooltip, prelude::*,
93 right_click_menu, scrollbars::ShowScrollbar, text_for_keystroke,
94};
95use unicode_segmentation::UnicodeSegmentation;
96use util::post_inc;
97use util::{RangeExt, ResultExt, debug_panic};
98use workspace::{
99 CollaboratorId, ItemHandle, ItemSettings, OpenInTerminal, OpenTerminal, RevealInProjectPanel,
100 Workspace,
101 item::{Item, ItemBufferKind},
102};
103
104/// Determines what kinds of highlights should be applied to a lines background.
105#[derive(Clone, Copy, Default)]
106struct LineHighlightSpec {
107 selection: bool,
108 breakpoint: bool,
109 _active_stack_frame: bool,
110}
111
112#[derive(Debug)]
113struct SelectionLayout {
114 head: DisplayPoint,
115 cursor_shape: CursorShape,
116 is_newest: bool,
117 is_local: bool,
118 range: Range<DisplayPoint>,
119 active_rows: Range<DisplayRow>,
120 user_name: Option<SharedString>,
121}
122
123struct InlineBlameLayout {
124 element: AnyElement,
125 bounds: Bounds<Pixels>,
126 buffer_id: BufferId,
127 entry: BlameEntry,
128}
129
130impl SelectionLayout {
131 fn new<T: ToPoint + ToDisplayPoint + Clone>(
132 selection: Selection<T>,
133 line_mode: bool,
134 cursor_offset: bool,
135 cursor_shape: CursorShape,
136 map: &DisplaySnapshot,
137 is_newest: bool,
138 is_local: bool,
139 user_name: Option<SharedString>,
140 ) -> Self {
141 let point_selection = selection.map(|p| p.to_point(map.buffer_snapshot()));
142 let display_selection = point_selection.map(|p| p.to_display_point(map));
143 let mut range = display_selection.range();
144 let mut head = display_selection.head();
145 let mut active_rows = map.prev_line_boundary(point_selection.start).1.row()
146 ..map.next_line_boundary(point_selection.end).1.row();
147
148 // vim visual line mode
149 if line_mode {
150 let point_range = map.expand_to_line(point_selection.range());
151 range = point_range.start.to_display_point(map)..point_range.end.to_display_point(map);
152 }
153
154 // any vim visual mode (including line mode)
155 if cursor_offset && !range.is_empty() && !selection.reversed {
156 if head.column() > 0 {
157 head = map.clip_point(DisplayPoint::new(head.row(), head.column() - 1), Bias::Left);
158 } else if head.row().0 > 0 && head != map.max_point() {
159 head = map.clip_point(
160 DisplayPoint::new(
161 head.row().previous_row(),
162 map.line_len(head.row().previous_row()),
163 ),
164 Bias::Left,
165 );
166 // updating range.end is a no-op unless you're cursor is
167 // on the newline containing a multi-buffer divider
168 // in which case the clip_point may have moved the head up
169 // an additional row.
170 range.end = DisplayPoint::new(head.row().next_row(), 0);
171 active_rows.end = head.row();
172 }
173 }
174
175 Self {
176 head,
177 cursor_shape,
178 is_newest,
179 is_local,
180 range,
181 active_rows,
182 user_name,
183 }
184 }
185}
186
187#[derive(Default)]
188struct RenderBlocksOutput {
189 // We store spacer blocks separately because they paint in a different order
190 // (spacers -> indent guides -> non-spacers)
191 non_spacer_blocks: Vec<BlockLayout>,
192 spacer_blocks: Vec<BlockLayout>,
193 row_block_types: HashMap<DisplayRow, bool>,
194 resized_blocks: Option<HashMap<CustomBlockId, u32>>,
195}
196
197pub struct EditorElement {
198 editor: Entity<Editor>,
199 style: EditorStyle,
200 split_side: Option<SplitSide>,
201}
202
203#[derive(Debug, Clone, Copy, PartialEq, Eq)]
204pub enum SplitSide {
205 Left,
206 Right,
207}
208
209impl EditorElement {
210 pub(crate) const SCROLLBAR_WIDTH: Pixels = px(15.);
211
212 pub fn new(editor: &Entity<Editor>, style: EditorStyle) -> Self {
213 Self {
214 editor: editor.clone(),
215 style,
216 split_side: None,
217 }
218 }
219
220 pub fn set_split_side(&mut self, side: SplitSide) {
221 self.split_side = Some(side);
222 }
223
224 fn should_show_buffer_headers(&self) -> bool {
225 self.split_side.is_none()
226 }
227
228 fn register_actions(&self, window: &mut Window, cx: &mut App) {
229 let editor = &self.editor;
230 editor.update(cx, |editor, cx| {
231 for action in editor.editor_actions.borrow().values() {
232 (action)(editor, window, cx)
233 }
234 });
235
236 crate::rust_analyzer_ext::apply_related_actions(editor, window, cx);
237 crate::clangd_ext::apply_related_actions(editor, window, cx);
238
239 register_action(editor, window, Editor::open_context_menu);
240 register_action(editor, window, Editor::move_left);
241 register_action(editor, window, Editor::move_right);
242 register_action(editor, window, Editor::move_down);
243 register_action(editor, window, Editor::move_down_by_lines);
244 register_action(editor, window, Editor::select_down_by_lines);
245 register_action(editor, window, Editor::move_up);
246 register_action(editor, window, Editor::move_up_by_lines);
247 register_action(editor, window, Editor::select_up_by_lines);
248 register_action(editor, window, Editor::select_page_down);
249 register_action(editor, window, Editor::select_page_up);
250 register_action(editor, window, Editor::cancel);
251 register_action(editor, window, Editor::newline);
252 register_action(editor, window, Editor::newline_above);
253 register_action(editor, window, Editor::newline_below);
254 register_action(editor, window, Editor::backspace);
255 register_action(editor, window, Editor::blame_hover);
256 register_action(editor, window, Editor::delete);
257 register_action(editor, window, Editor::tab);
258 register_action(editor, window, Editor::next_snippet_tabstop);
259 register_action(editor, window, Editor::previous_snippet_tabstop);
260 register_action(editor, window, Editor::backtab);
261 register_action(editor, window, Editor::indent);
262 register_action(editor, window, Editor::outdent);
263 register_action(editor, window, Editor::autoindent);
264 register_action(editor, window, Editor::delete_line);
265 register_action(editor, window, Editor::join_lines);
266 register_action(editor, window, Editor::sort_lines_by_length);
267 register_action(editor, window, Editor::sort_lines_case_sensitive);
268 register_action(editor, window, Editor::sort_lines_case_insensitive);
269 register_action(editor, window, Editor::reverse_lines);
270 register_action(editor, window, Editor::shuffle_lines);
271 register_action(editor, window, Editor::rotate_selections_forward);
272 register_action(editor, window, Editor::rotate_selections_backward);
273 register_action(editor, window, Editor::convert_indentation_to_spaces);
274 register_action(editor, window, Editor::convert_indentation_to_tabs);
275 register_action(editor, window, Editor::convert_to_upper_case);
276 register_action(editor, window, Editor::convert_to_lower_case);
277 register_action(editor, window, Editor::convert_to_title_case);
278 register_action(editor, window, Editor::convert_to_snake_case);
279 register_action(editor, window, Editor::convert_to_kebab_case);
280 register_action(editor, window, Editor::convert_to_upper_camel_case);
281 register_action(editor, window, Editor::convert_to_lower_camel_case);
282 register_action(editor, window, Editor::convert_to_opposite_case);
283 register_action(editor, window, Editor::convert_to_sentence_case);
284 register_action(editor, window, Editor::toggle_case);
285 register_action(editor, window, Editor::convert_to_rot13);
286 register_action(editor, window, Editor::convert_to_rot47);
287 register_action(editor, window, Editor::delete_to_previous_word_start);
288 register_action(editor, window, Editor::delete_to_previous_subword_start);
289 register_action(editor, window, Editor::delete_to_next_word_end);
290 register_action(editor, window, Editor::delete_to_next_subword_end);
291 register_action(editor, window, Editor::delete_to_beginning_of_line);
292 register_action(editor, window, Editor::delete_to_end_of_line);
293 register_action(editor, window, Editor::cut_to_end_of_line);
294 register_action(editor, window, Editor::duplicate_line_up);
295 register_action(editor, window, Editor::duplicate_line_down);
296 register_action(editor, window, Editor::duplicate_selection);
297 register_action(editor, window, Editor::move_line_up);
298 register_action(editor, window, Editor::move_line_down);
299 register_action(editor, window, Editor::transpose);
300 register_action(editor, window, Editor::rewrap);
301 register_action(editor, window, Editor::cut);
302 register_action(editor, window, Editor::kill_ring_cut);
303 register_action(editor, window, Editor::kill_ring_yank);
304 register_action(editor, window, Editor::copy);
305 register_action(editor, window, Editor::copy_and_trim);
306 register_action(editor, window, Editor::diff_clipboard_with_selection);
307 register_action(editor, window, Editor::paste);
308 register_action(editor, window, Editor::undo);
309 register_action(editor, window, Editor::redo);
310 register_action(editor, window, Editor::move_page_up);
311 register_action(editor, window, Editor::move_page_down);
312 register_action(editor, window, Editor::next_screen);
313 register_action(editor, window, Editor::scroll_cursor_top);
314 register_action(editor, window, Editor::scroll_cursor_center);
315 register_action(editor, window, Editor::scroll_cursor_bottom);
316 register_action(editor, window, Editor::scroll_cursor_center_top_bottom);
317 register_action(editor, window, |editor, _: &LineDown, window, cx| {
318 editor.scroll_screen(&ScrollAmount::Line(1.), window, cx)
319 });
320 register_action(editor, window, |editor, _: &LineUp, window, cx| {
321 editor.scroll_screen(&ScrollAmount::Line(-1.), window, cx)
322 });
323 register_action(editor, window, |editor, _: &HalfPageDown, window, cx| {
324 editor.scroll_screen(&ScrollAmount::Page(0.5), window, cx)
325 });
326 register_action(
327 editor,
328 window,
329 |editor, HandleInput(text): &HandleInput, window, cx| {
330 if text.is_empty() {
331 return;
332 }
333 editor.handle_input(text, window, cx);
334 },
335 );
336 register_action(editor, window, |editor, _: &HalfPageUp, window, cx| {
337 editor.scroll_screen(&ScrollAmount::Page(-0.5), window, cx)
338 });
339 register_action(editor, window, |editor, _: &PageDown, window, cx| {
340 editor.scroll_screen(&ScrollAmount::Page(1.), window, cx)
341 });
342 register_action(editor, window, |editor, _: &PageUp, window, cx| {
343 editor.scroll_screen(&ScrollAmount::Page(-1.), window, cx)
344 });
345 register_action(editor, window, Editor::move_to_previous_word_start);
346 register_action(editor, window, Editor::move_to_previous_subword_start);
347 register_action(editor, window, Editor::move_to_next_word_end);
348 register_action(editor, window, Editor::move_to_next_subword_end);
349 register_action(editor, window, Editor::move_to_beginning_of_line);
350 register_action(editor, window, Editor::move_to_end_of_line);
351 register_action(editor, window, Editor::move_to_start_of_paragraph);
352 register_action(editor, window, Editor::move_to_end_of_paragraph);
353 register_action(editor, window, Editor::move_to_beginning);
354 register_action(editor, window, Editor::move_to_end);
355 register_action(editor, window, Editor::move_to_start_of_excerpt);
356 register_action(editor, window, Editor::move_to_start_of_next_excerpt);
357 register_action(editor, window, Editor::move_to_end_of_excerpt);
358 register_action(editor, window, Editor::move_to_end_of_previous_excerpt);
359 register_action(editor, window, Editor::select_up);
360 register_action(editor, window, Editor::select_down);
361 register_action(editor, window, Editor::select_left);
362 register_action(editor, window, Editor::select_right);
363 register_action(editor, window, Editor::select_to_previous_word_start);
364 register_action(editor, window, Editor::select_to_previous_subword_start);
365 register_action(editor, window, Editor::select_to_next_word_end);
366 register_action(editor, window, Editor::select_to_next_subword_end);
367 register_action(editor, window, Editor::select_to_beginning_of_line);
368 register_action(editor, window, Editor::select_to_end_of_line);
369 register_action(editor, window, Editor::select_to_start_of_paragraph);
370 register_action(editor, window, Editor::select_to_end_of_paragraph);
371 register_action(editor, window, Editor::select_to_start_of_excerpt);
372 register_action(editor, window, Editor::select_to_start_of_next_excerpt);
373 register_action(editor, window, Editor::select_to_end_of_excerpt);
374 register_action(editor, window, Editor::select_to_end_of_previous_excerpt);
375 register_action(editor, window, Editor::select_to_beginning);
376 register_action(editor, window, Editor::select_to_end);
377 register_action(editor, window, Editor::select_all);
378 register_action(editor, window, |editor, action, window, cx| {
379 editor.select_all_matches(action, window, cx).log_err();
380 });
381 register_action(editor, window, Editor::select_line);
382 register_action(editor, window, Editor::split_selection_into_lines);
383 register_action(editor, window, Editor::add_selection_above);
384 register_action(editor, window, Editor::add_selection_below);
385 register_action(editor, window, Editor::insert_snippet_at_selections);
386 register_action(editor, window, |editor, action, window, cx| {
387 editor.select_next(action, window, cx).log_err();
388 });
389 register_action(editor, window, |editor, action, window, cx| {
390 editor.select_previous(action, window, cx).log_err();
391 });
392 register_action(editor, window, |editor, action, window, cx| {
393 editor.find_next_match(action, window, cx).log_err();
394 });
395 register_action(editor, window, |editor, action, window, cx| {
396 editor.find_previous_match(action, window, cx).log_err();
397 });
398 register_action(editor, window, Editor::toggle_comments);
399 register_action(editor, window, Editor::select_larger_syntax_node);
400 register_action(editor, window, Editor::select_smaller_syntax_node);
401 register_action(editor, window, Editor::select_next_syntax_node);
402 register_action(editor, window, Editor::select_prev_syntax_node);
403 register_action(
404 editor,
405 window,
406 Editor::select_to_start_of_larger_syntax_node,
407 );
408 register_action(editor, window, Editor::select_to_end_of_larger_syntax_node);
409 register_action(editor, window, Editor::unwrap_syntax_node);
410 register_action(editor, window, Editor::move_to_start_of_larger_syntax_node);
411 register_action(editor, window, Editor::move_to_end_of_larger_syntax_node);
412 register_action(editor, window, Editor::select_enclosing_symbol);
413 register_action(editor, window, Editor::move_to_enclosing_bracket);
414 register_action(editor, window, Editor::undo_selection);
415 register_action(editor, window, Editor::redo_selection);
416 if editor.read(cx).buffer_kind(cx) == ItemBufferKind::Multibuffer {
417 register_action(editor, window, Editor::expand_excerpts);
418 register_action(editor, window, Editor::expand_excerpts_up);
419 register_action(editor, window, Editor::expand_excerpts_down);
420 }
421 register_action(editor, window, Editor::go_to_diagnostic);
422 register_action(editor, window, Editor::go_to_prev_diagnostic);
423 register_action(editor, window, Editor::go_to_next_hunk);
424 register_action(editor, window, Editor::go_to_prev_hunk);
425 register_action(editor, window, Editor::go_to_next_document_highlight);
426 register_action(editor, window, Editor::go_to_prev_document_highlight);
427 register_action(editor, window, |editor, action, window, cx| {
428 editor
429 .go_to_definition(action, window, cx)
430 .detach_and_log_err(cx);
431 });
432 register_action(editor, window, |editor, action, window, cx| {
433 editor
434 .go_to_definition_split(action, window, cx)
435 .detach_and_log_err(cx);
436 });
437 register_action(editor, window, |editor, action, window, cx| {
438 editor
439 .go_to_declaration(action, window, cx)
440 .detach_and_log_err(cx);
441 });
442 register_action(editor, window, |editor, action, window, cx| {
443 editor
444 .go_to_declaration_split(action, window, cx)
445 .detach_and_log_err(cx);
446 });
447 register_action(editor, window, |editor, action, window, cx| {
448 editor
449 .go_to_implementation(action, window, cx)
450 .detach_and_log_err(cx);
451 });
452 register_action(editor, window, |editor, action, window, cx| {
453 editor
454 .go_to_implementation_split(action, window, cx)
455 .detach_and_log_err(cx);
456 });
457 register_action(editor, window, |editor, action, window, cx| {
458 editor
459 .go_to_type_definition(action, window, cx)
460 .detach_and_log_err(cx);
461 });
462 register_action(editor, window, |editor, action, window, cx| {
463 editor
464 .go_to_type_definition_split(action, window, cx)
465 .detach_and_log_err(cx);
466 });
467 register_action(editor, window, Editor::open_url);
468 register_action(editor, window, Editor::open_selected_filename);
469 register_action(editor, window, Editor::fold);
470 register_action(editor, window, Editor::fold_at_level);
471 register_action(editor, window, Editor::fold_at_level_1);
472 register_action(editor, window, Editor::fold_at_level_2);
473 register_action(editor, window, Editor::fold_at_level_3);
474 register_action(editor, window, Editor::fold_at_level_4);
475 register_action(editor, window, Editor::fold_at_level_5);
476 register_action(editor, window, Editor::fold_at_level_6);
477 register_action(editor, window, Editor::fold_at_level_7);
478 register_action(editor, window, Editor::fold_at_level_8);
479 register_action(editor, window, Editor::fold_at_level_9);
480 register_action(editor, window, Editor::fold_all);
481 register_action(editor, window, Editor::fold_function_bodies);
482 register_action(editor, window, Editor::fold_recursive);
483 register_action(editor, window, Editor::toggle_fold);
484 register_action(editor, window, Editor::toggle_fold_recursive);
485 register_action(editor, window, Editor::toggle_fold_all);
486 register_action(editor, window, Editor::unfold_lines);
487 register_action(editor, window, Editor::unfold_recursive);
488 register_action(editor, window, Editor::unfold_all);
489 register_action(editor, window, Editor::fold_selected_ranges);
490 register_action(editor, window, Editor::set_mark);
491 register_action(editor, window, Editor::swap_selection_ends);
492 register_action(editor, window, Editor::show_completions);
493 register_action(editor, window, Editor::show_word_completions);
494 register_action(editor, window, Editor::toggle_code_actions);
495 register_action(editor, window, Editor::open_excerpts);
496 register_action(editor, window, Editor::open_excerpts_in_split);
497 register_action(editor, window, Editor::toggle_soft_wrap);
498 register_action(editor, window, Editor::toggle_tab_bar);
499 register_action(editor, window, Editor::toggle_line_numbers);
500 register_action(editor, window, Editor::toggle_relative_line_numbers);
501 register_action(editor, window, Editor::toggle_indent_guides);
502 register_action(editor, window, Editor::toggle_inlay_hints);
503 register_action(editor, window, Editor::toggle_semantic_highlights);
504 register_action(editor, window, Editor::toggle_edit_predictions);
505 if editor.read(cx).diagnostics_enabled() {
506 register_action(editor, window, Editor::toggle_diagnostics);
507 }
508 if editor.read(cx).inline_diagnostics_enabled() {
509 register_action(editor, window, Editor::toggle_inline_diagnostics);
510 }
511 if editor.read(cx).supports_minimap(cx) {
512 register_action(editor, window, Editor::toggle_minimap);
513 }
514 register_action(editor, window, hover_popover::hover);
515 register_action(editor, window, Editor::reveal_in_finder);
516 register_action(editor, window, Editor::copy_path);
517 register_action(editor, window, Editor::copy_relative_path);
518 register_action(editor, window, Editor::copy_file_name);
519 register_action(editor, window, Editor::copy_file_name_without_extension);
520 register_action(editor, window, Editor::copy_highlight_json);
521 register_action(editor, window, Editor::copy_permalink_to_line);
522 register_action(editor, window, Editor::open_permalink_to_line);
523 register_action(editor, window, Editor::copy_file_location);
524 register_action(editor, window, Editor::toggle_git_blame);
525 register_action(editor, window, Editor::toggle_git_blame_inline);
526 register_action(editor, window, Editor::open_git_blame_commit);
527 register_action(editor, window, Editor::toggle_selected_diff_hunks);
528 register_action(editor, window, Editor::toggle_staged_selected_diff_hunks);
529 register_action(editor, window, Editor::stage_and_next);
530 register_action(editor, window, Editor::unstage_and_next);
531 register_action(editor, window, Editor::expand_all_diff_hunks);
532 register_action(editor, window, Editor::collapse_all_diff_hunks);
533 register_action(editor, window, Editor::toggle_review_comments_expanded);
534 register_action(editor, window, Editor::submit_diff_review_comment_action);
535 register_action(editor, window, Editor::edit_review_comment);
536 register_action(editor, window, Editor::delete_review_comment);
537 register_action(editor, window, Editor::confirm_edit_review_comment_action);
538 register_action(editor, window, Editor::cancel_edit_review_comment_action);
539 register_action(editor, window, Editor::go_to_previous_change);
540 register_action(editor, window, Editor::go_to_next_change);
541 register_action(editor, window, Editor::go_to_prev_reference);
542 register_action(editor, window, Editor::go_to_next_reference);
543 register_action(editor, window, Editor::go_to_previous_symbol);
544 register_action(editor, window, Editor::go_to_next_symbol);
545
546 register_action(editor, window, |editor, action, window, cx| {
547 if let Some(task) = editor.format(action, window, cx) {
548 editor.detach_and_notify_err(task, window, cx);
549 } else {
550 cx.propagate();
551 }
552 });
553 register_action(editor, window, |editor, action, window, cx| {
554 if let Some(task) = editor.format_selections(action, window, cx) {
555 editor.detach_and_notify_err(task, window, cx);
556 } else {
557 cx.propagate();
558 }
559 });
560 register_action(editor, window, |editor, action, window, cx| {
561 if let Some(task) = editor.organize_imports(action, window, cx) {
562 editor.detach_and_notify_err(task, window, cx);
563 } else {
564 cx.propagate();
565 }
566 });
567 register_action(editor, window, Editor::restart_language_server);
568 register_action(editor, window, Editor::stop_language_server);
569 register_action(editor, window, Editor::show_character_palette);
570 register_action(editor, window, |editor, action, window, cx| {
571 if let Some(task) = editor.confirm_completion(action, window, cx) {
572 editor.detach_and_notify_err(task, window, cx);
573 } else {
574 cx.propagate();
575 }
576 });
577 register_action(editor, window, |editor, action, window, cx| {
578 if let Some(task) = editor.confirm_completion_replace(action, window, cx) {
579 editor.detach_and_notify_err(task, window, cx);
580 } else {
581 cx.propagate();
582 }
583 });
584 register_action(editor, window, |editor, action, window, cx| {
585 if let Some(task) = editor.confirm_completion_insert(action, window, cx) {
586 editor.detach_and_notify_err(task, window, cx);
587 } else {
588 cx.propagate();
589 }
590 });
591 register_action(editor, window, |editor, action, window, cx| {
592 if let Some(task) = editor.compose_completion(action, window, cx) {
593 editor.detach_and_notify_err(task, window, cx);
594 } else {
595 cx.propagate();
596 }
597 });
598 register_action(editor, window, |editor, action, window, cx| {
599 if let Some(task) = editor.confirm_code_action(action, window, cx) {
600 editor.detach_and_notify_err(task, window, cx);
601 } else {
602 cx.propagate();
603 }
604 });
605 register_action(editor, window, |editor, action, window, cx| {
606 if let Some(task) = editor.rename(action, window, cx) {
607 editor.detach_and_notify_err(task, window, cx);
608 } else {
609 cx.propagate();
610 }
611 });
612 register_action(editor, window, |editor, action, window, cx| {
613 if let Some(task) = editor.confirm_rename(action, window, cx) {
614 editor.detach_and_notify_err(task, window, cx);
615 } else {
616 cx.propagate();
617 }
618 });
619 register_action(editor, window, |editor, action, window, cx| {
620 if let Some(task) = editor.find_all_references(action, window, cx) {
621 task.detach_and_log_err(cx);
622 } else {
623 cx.propagate();
624 }
625 });
626 register_action(editor, window, Editor::show_signature_help);
627 register_action(editor, window, Editor::signature_help_prev);
628 register_action(editor, window, Editor::signature_help_next);
629 register_action(editor, window, Editor::show_edit_prediction);
630 register_action(editor, window, Editor::context_menu_first);
631 register_action(editor, window, Editor::context_menu_prev);
632 register_action(editor, window, Editor::context_menu_next);
633 register_action(editor, window, Editor::context_menu_last);
634 register_action(editor, window, Editor::display_cursor_names);
635 register_action(editor, window, Editor::unique_lines_case_insensitive);
636 register_action(editor, window, Editor::unique_lines_case_sensitive);
637 register_action(editor, window, Editor::accept_next_word_edit_prediction);
638 register_action(editor, window, Editor::accept_next_line_edit_prediction);
639 register_action(editor, window, Editor::accept_edit_prediction);
640 register_action(editor, window, Editor::restore_file);
641 register_action(editor, window, Editor::git_restore);
642 register_action(editor, window, Editor::restore_and_next);
643 register_action(editor, window, Editor::apply_all_diff_hunks);
644 register_action(editor, window, Editor::apply_selected_diff_hunks);
645 register_action(editor, window, Editor::open_active_item_in_terminal);
646 register_action(editor, window, Editor::reload_file);
647 register_action(editor, window, Editor::spawn_nearest_task);
648 register_action(editor, window, Editor::insert_uuid_v4);
649 register_action(editor, window, Editor::insert_uuid_v7);
650 register_action(editor, window, Editor::open_selections_in_multibuffer);
651 register_action(editor, window, Editor::toggle_breakpoint);
652 register_action(editor, window, Editor::edit_log_breakpoint);
653 register_action(editor, window, Editor::enable_breakpoint);
654 register_action(editor, window, Editor::disable_breakpoint);
655 register_action(editor, window, Editor::toggle_read_only);
656 if editor.read(cx).enable_wrap_selections_in_tag(cx) {
657 register_action(editor, window, Editor::wrap_selections_in_tag);
658 }
659 }
660
661 fn register_key_listeners(&self, window: &mut Window, _: &mut App, layout: &EditorLayout) {
662 let position_map = layout.position_map.clone();
663 window.on_key_event({
664 let editor = self.editor.clone();
665 move |event: &ModifiersChangedEvent, phase, window, cx| {
666 if phase != DispatchPhase::Bubble {
667 return;
668 }
669 editor.update(cx, |editor, cx| {
670 let inlay_hint_settings = inlay_hint_settings(
671 editor.selections.newest_anchor().head(),
672 &editor.buffer.read(cx).snapshot(cx),
673 cx,
674 );
675
676 if let Some(inlay_modifiers) = inlay_hint_settings
677 .toggle_on_modifiers_press
678 .as_ref()
679 .filter(|modifiers| modifiers.modified())
680 {
681 editor.refresh_inlay_hints(
682 InlayHintRefreshReason::ModifiersChanged(
683 inlay_modifiers == &event.modifiers,
684 ),
685 cx,
686 );
687 }
688
689 if editor.hover_state.focused(window, cx) {
690 return;
691 }
692
693 editor.handle_modifiers_changed(event.modifiers, &position_map, window, cx);
694 })
695 }
696 });
697 }
698
699 fn mouse_left_down(
700 editor: &mut Editor,
701 event: &MouseDownEvent,
702 position_map: &PositionMap,
703 line_numbers: &HashMap<MultiBufferRow, LineNumberLayout>,
704 window: &mut Window,
705 cx: &mut Context<Editor>,
706 ) {
707 if window.default_prevented() {
708 return;
709 }
710
711 let text_hitbox = &position_map.text_hitbox;
712 let gutter_hitbox = &position_map.gutter_hitbox;
713 let point_for_position = position_map.point_for_position(event.position);
714 let mut click_count = event.click_count;
715 let mut modifiers = event.modifiers;
716
717 if let Some(hovered_hunk) =
718 position_map
719 .display_hunks
720 .iter()
721 .find_map(|(hunk, hunk_hitbox)| match hunk {
722 DisplayDiffHunk::Folded { .. } => None,
723 DisplayDiffHunk::Unfolded {
724 multi_buffer_range, ..
725 } => hunk_hitbox
726 .as_ref()
727 .is_some_and(|hitbox| hitbox.is_hovered(window))
728 .then(|| multi_buffer_range.clone()),
729 })
730 {
731 editor.toggle_single_diff_hunk(hovered_hunk, cx);
732 cx.notify();
733 return;
734 } else if gutter_hitbox.is_hovered(window) {
735 click_count = 3; // Simulate triple-click when clicking the gutter to select lines
736 } else if !text_hitbox.is_hovered(window) {
737 return;
738 }
739
740 if EditorSettings::get_global(cx)
741 .drag_and_drop_selection
742 .enabled
743 && click_count == 1
744 && !modifiers.shift
745 {
746 let newest_anchor = editor.selections.newest_anchor();
747 let snapshot = editor.snapshot(window, cx);
748 let selection = newest_anchor.map(|anchor| anchor.to_display_point(&snapshot));
749 if point_for_position.intersects_selection(&selection) {
750 editor.selection_drag_state = SelectionDragState::ReadyToDrag {
751 selection: newest_anchor.clone(),
752 click_position: event.position,
753 mouse_down_time: Instant::now(),
754 };
755 cx.stop_propagation();
756 return;
757 }
758 }
759
760 let is_singleton = editor.buffer().read(cx).is_singleton();
761
762 if click_count == 2 && !is_singleton {
763 match EditorSettings::get_global(cx).double_click_in_multibuffer {
764 DoubleClickInMultibuffer::Select => {
765 // do nothing special on double click, all selection logic is below
766 }
767 DoubleClickInMultibuffer::Open => {
768 if modifiers.alt {
769 // if double click is made with alt, pretend it's a regular double click without opening and alt,
770 // and run the selection logic.
771 modifiers.alt = false;
772 } else {
773 let scroll_position_row = position_map.scroll_position.y;
774 let display_row = (((event.position - gutter_hitbox.bounds.origin).y
775 / position_map.line_height)
776 as f64
777 + position_map.scroll_position.y)
778 as u32;
779 let multi_buffer_row = position_map
780 .snapshot
781 .display_point_to_point(
782 DisplayPoint::new(DisplayRow(display_row), 0),
783 Bias::Right,
784 )
785 .row;
786 let line_offset_from_top = display_row - scroll_position_row as u32;
787 // if double click is made without alt, open the corresponding excerp
788 editor.open_excerpts_common(
789 Some(JumpData::MultiBufferRow {
790 row: MultiBufferRow(multi_buffer_row),
791 line_offset_from_top,
792 }),
793 false,
794 window,
795 cx,
796 );
797 return;
798 }
799 }
800 }
801 }
802
803 if !is_singleton {
804 let display_row = (ScrollPixelOffset::from(
805 (event.position - gutter_hitbox.bounds.origin).y / position_map.line_height,
806 ) + position_map.scroll_position.y) as u32;
807 let multi_buffer_row = position_map
808 .snapshot
809 .display_point_to_point(DisplayPoint::new(DisplayRow(display_row), 0), Bias::Right)
810 .row;
811 if line_numbers
812 .get(&MultiBufferRow(multi_buffer_row))
813 .is_some_and(|line_layout| {
814 line_layout.segments.iter().any(|segment| {
815 segment
816 .hitbox
817 .as_ref()
818 .is_some_and(|hitbox| hitbox.contains(&event.position))
819 })
820 })
821 {
822 let line_offset_from_top = display_row - position_map.scroll_position.y as u32;
823
824 editor.open_excerpts_common(
825 Some(JumpData::MultiBufferRow {
826 row: MultiBufferRow(multi_buffer_row),
827 line_offset_from_top,
828 }),
829 modifiers.alt,
830 window,
831 cx,
832 );
833 cx.stop_propagation();
834 return;
835 }
836 }
837
838 let position = point_for_position.previous_valid;
839 if let Some(mode) = Editor::columnar_selection_mode(&modifiers, cx) {
840 editor.select(
841 SelectPhase::BeginColumnar {
842 position,
843 reset: match mode {
844 ColumnarMode::FromMouse => true,
845 ColumnarMode::FromSelection => false,
846 },
847 mode,
848 goal_column: point_for_position.exact_unclipped.column(),
849 },
850 window,
851 cx,
852 );
853 } else if modifiers.shift && !modifiers.control && !modifiers.alt && !modifiers.secondary()
854 {
855 editor.select(
856 SelectPhase::Extend {
857 position,
858 click_count,
859 },
860 window,
861 cx,
862 );
863 } else {
864 editor.select(
865 SelectPhase::Begin {
866 position,
867 add: Editor::is_alt_pressed(&modifiers, cx),
868 click_count,
869 },
870 window,
871 cx,
872 );
873 }
874 cx.stop_propagation();
875 }
876
877 fn mouse_right_down(
878 editor: &mut Editor,
879 event: &MouseDownEvent,
880 position_map: &PositionMap,
881 window: &mut Window,
882 cx: &mut Context<Editor>,
883 ) {
884 if position_map.gutter_hitbox.is_hovered(window) {
885 let gutter_right_padding = editor.gutter_dimensions.right_padding;
886 let hitbox = &position_map.gutter_hitbox;
887
888 if event.position.x <= hitbox.bounds.right() - gutter_right_padding {
889 let point_for_position = position_map.point_for_position(event.position);
890 editor.set_breakpoint_context_menu(
891 point_for_position.previous_valid.row(),
892 None,
893 event.position,
894 window,
895 cx,
896 );
897 }
898 return;
899 }
900
901 if !position_map.text_hitbox.is_hovered(window) {
902 return;
903 }
904
905 let point_for_position = position_map.point_for_position(event.position);
906 mouse_context_menu::deploy_context_menu(
907 editor,
908 Some(event.position),
909 point_for_position.previous_valid,
910 window,
911 cx,
912 );
913 cx.stop_propagation();
914 }
915
916 fn mouse_middle_down(
917 editor: &mut Editor,
918 event: &MouseDownEvent,
919 position_map: &PositionMap,
920 window: &mut Window,
921 cx: &mut Context<Editor>,
922 ) {
923 if !position_map.text_hitbox.is_hovered(window) || window.default_prevented() {
924 return;
925 }
926
927 let point_for_position = position_map.point_for_position(event.position);
928 let position = point_for_position.previous_valid;
929
930 editor.select(
931 SelectPhase::BeginColumnar {
932 position,
933 reset: true,
934 mode: ColumnarMode::FromMouse,
935 goal_column: point_for_position.exact_unclipped.column(),
936 },
937 window,
938 cx,
939 );
940 }
941
942 fn mouse_up(
943 editor: &mut Editor,
944 event: &MouseUpEvent,
945 position_map: &PositionMap,
946 window: &mut Window,
947 cx: &mut Context<Editor>,
948 ) {
949 // Handle diff review drag completion
950 if editor.diff_review_drag_state.is_some() {
951 editor.end_diff_review_drag(window, cx);
952 cx.stop_propagation();
953 return;
954 }
955
956 let text_hitbox = &position_map.text_hitbox;
957 let end_selection = editor.has_pending_selection();
958 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
959 let point_for_position = position_map.point_for_position(event.position);
960
961 match editor.selection_drag_state {
962 SelectionDragState::ReadyToDrag {
963 selection: _,
964 ref click_position,
965 mouse_down_time: _,
966 } => {
967 if event.position == *click_position {
968 editor.select(
969 SelectPhase::Begin {
970 position: point_for_position.previous_valid,
971 add: false,
972 click_count: 1, // ready to drag state only occurs on click count 1
973 },
974 window,
975 cx,
976 );
977 editor.selection_drag_state = SelectionDragState::None;
978 cx.stop_propagation();
979 return;
980 } else {
981 debug_panic!("drag state can never be in ready state after drag")
982 }
983 }
984 SelectionDragState::Dragging { ref selection, .. } => {
985 let snapshot = editor.snapshot(window, cx);
986 let selection_display = selection.map(|anchor| anchor.to_display_point(&snapshot));
987 if !point_for_position.intersects_selection(&selection_display)
988 && text_hitbox.is_hovered(window)
989 {
990 let is_cut = !(cfg!(target_os = "macos") && event.modifiers.alt
991 || cfg!(not(target_os = "macos")) && event.modifiers.control);
992 editor.move_selection_on_drop(
993 &selection.clone(),
994 point_for_position.previous_valid,
995 is_cut,
996 window,
997 cx,
998 );
999 }
1000 editor.selection_drag_state = SelectionDragState::None;
1001 cx.stop_propagation();
1002 cx.notify();
1003 return;
1004 }
1005 _ => {}
1006 }
1007
1008 if end_selection {
1009 editor.select(SelectPhase::End, window, cx);
1010 }
1011
1012 if end_selection && pending_nonempty_selections {
1013 cx.stop_propagation();
1014 } else if cfg!(any(target_os = "linux", target_os = "freebsd"))
1015 && event.button == MouseButton::Middle
1016 {
1017 #[allow(
1018 clippy::collapsible_if,
1019 clippy::needless_return,
1020 reason = "The cfg-block below makes this a false positive"
1021 )]
1022 if !text_hitbox.is_hovered(window) || editor.read_only(cx) {
1023 return;
1024 }
1025
1026 #[cfg(any(target_os = "linux", target_os = "freebsd"))]
1027 if EditorSettings::get_global(cx).middle_click_paste {
1028 if let Some(text) = cx.read_from_primary().and_then(|item| item.text()) {
1029 let point_for_position = position_map.point_for_position(event.position);
1030 let position = point_for_position.previous_valid;
1031
1032 editor.select(
1033 SelectPhase::Begin {
1034 position,
1035 add: false,
1036 click_count: 1,
1037 },
1038 window,
1039 cx,
1040 );
1041 editor.insert(&text, window, cx);
1042 }
1043 cx.stop_propagation()
1044 }
1045 }
1046 }
1047
1048 fn click(
1049 editor: &mut Editor,
1050 event: &ClickEvent,
1051 position_map: &PositionMap,
1052 window: &mut Window,
1053 cx: &mut Context<Editor>,
1054 ) {
1055 let text_hitbox = &position_map.text_hitbox;
1056 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
1057
1058 let hovered_link_modifier = Editor::is_cmd_or_ctrl_pressed(&event.modifiers(), cx);
1059 let mouse_down_hovered_link_modifier = if let ClickEvent::Mouse(mouse_event) = event {
1060 Editor::is_cmd_or_ctrl_pressed(&mouse_event.down.modifiers, cx)
1061 } else {
1062 true
1063 };
1064
1065 if let Some(mouse_position) = event.mouse_position()
1066 && !pending_nonempty_selections
1067 && hovered_link_modifier
1068 && mouse_down_hovered_link_modifier
1069 && text_hitbox.is_hovered(window)
1070 && !matches!(
1071 editor.selection_drag_state,
1072 SelectionDragState::Dragging { .. }
1073 )
1074 {
1075 let point = position_map.point_for_position(mouse_position);
1076 editor.handle_click_hovered_link(point, event.modifiers(), window, cx);
1077 editor.selection_drag_state = SelectionDragState::None;
1078
1079 cx.stop_propagation();
1080 }
1081 }
1082
1083 fn pressure_click(
1084 editor: &mut Editor,
1085 event: &MousePressureEvent,
1086 position_map: &PositionMap,
1087 window: &mut Window,
1088 cx: &mut Context<Editor>,
1089 ) {
1090 let text_hitbox = &position_map.text_hitbox;
1091 let force_click_possible =
1092 matches!(editor.prev_pressure_stage, Some(PressureStage::Normal))
1093 && event.stage == PressureStage::Force;
1094
1095 editor.prev_pressure_stage = Some(event.stage);
1096
1097 if force_click_possible && text_hitbox.is_hovered(window) {
1098 let point = position_map.point_for_position(event.position);
1099 editor.handle_click_hovered_link(point, event.modifiers, window, cx);
1100 editor.selection_drag_state = SelectionDragState::None;
1101 cx.stop_propagation();
1102 }
1103 }
1104
1105 fn mouse_dragged(
1106 editor: &mut Editor,
1107 event: &MouseMoveEvent,
1108 position_map: &PositionMap,
1109 window: &mut Window,
1110 cx: &mut Context<Editor>,
1111 ) {
1112 if !editor.has_pending_selection()
1113 && matches!(editor.selection_drag_state, SelectionDragState::None)
1114 {
1115 return;
1116 }
1117
1118 let point_for_position = position_map.point_for_position(event.position);
1119 let text_hitbox = &position_map.text_hitbox;
1120
1121 let scroll_delta = {
1122 let text_bounds = text_hitbox.bounds;
1123 let mut scroll_delta = gpui::Point::<f32>::default();
1124 let vertical_margin = position_map.line_height.min(text_bounds.size.height / 3.0);
1125 let top = text_bounds.origin.y + vertical_margin;
1126 let bottom = text_bounds.bottom_left().y - vertical_margin;
1127 if event.position.y < top {
1128 scroll_delta.y = -scale_vertical_mouse_autoscroll_delta(top - event.position.y);
1129 }
1130 if event.position.y > bottom {
1131 scroll_delta.y = scale_vertical_mouse_autoscroll_delta(event.position.y - bottom);
1132 }
1133
1134 // We need horizontal width of text
1135 let style = editor.style.clone().unwrap_or_default();
1136 let font_id = window.text_system().resolve_font(&style.text.font());
1137 let font_size = style.text.font_size.to_pixels(window.rem_size());
1138 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
1139
1140 let scroll_margin_x = EditorSettings::get_global(cx).horizontal_scroll_margin;
1141
1142 let scroll_space: Pixels = scroll_margin_x * em_width;
1143
1144 let left = text_bounds.origin.x + scroll_space;
1145 let right = text_bounds.top_right().x - scroll_space;
1146
1147 if event.position.x < left {
1148 scroll_delta.x = -scale_horizontal_mouse_autoscroll_delta(left - event.position.x);
1149 }
1150 if event.position.x > right {
1151 scroll_delta.x = scale_horizontal_mouse_autoscroll_delta(event.position.x - right);
1152 }
1153 scroll_delta
1154 };
1155
1156 if !editor.has_pending_selection() {
1157 let drop_anchor = position_map
1158 .snapshot
1159 .display_point_to_anchor(point_for_position.previous_valid, Bias::Left);
1160 match editor.selection_drag_state {
1161 SelectionDragState::Dragging {
1162 ref mut drop_cursor,
1163 ref mut hide_drop_cursor,
1164 ..
1165 } => {
1166 drop_cursor.start = drop_anchor;
1167 drop_cursor.end = drop_anchor;
1168 *hide_drop_cursor = !text_hitbox.is_hovered(window);
1169 editor.apply_scroll_delta(scroll_delta, window, cx);
1170 cx.notify();
1171 }
1172 SelectionDragState::ReadyToDrag {
1173 ref selection,
1174 ref click_position,
1175 ref mouse_down_time,
1176 } => {
1177 let drag_and_drop_delay = Duration::from_millis(
1178 EditorSettings::get_global(cx)
1179 .drag_and_drop_selection
1180 .delay
1181 .0,
1182 );
1183 if mouse_down_time.elapsed() >= drag_and_drop_delay {
1184 let drop_cursor = Selection {
1185 id: post_inc(&mut editor.selections.next_selection_id()),
1186 start: drop_anchor,
1187 end: drop_anchor,
1188 reversed: false,
1189 goal: SelectionGoal::None,
1190 };
1191 editor.selection_drag_state = SelectionDragState::Dragging {
1192 selection: selection.clone(),
1193 drop_cursor,
1194 hide_drop_cursor: false,
1195 };
1196 editor.apply_scroll_delta(scroll_delta, window, cx);
1197 cx.notify();
1198 } else {
1199 let click_point = position_map.point_for_position(*click_position);
1200 editor.selection_drag_state = SelectionDragState::None;
1201 editor.select(
1202 SelectPhase::Begin {
1203 position: click_point.previous_valid,
1204 add: false,
1205 click_count: 1,
1206 },
1207 window,
1208 cx,
1209 );
1210 editor.select(
1211 SelectPhase::Update {
1212 position: point_for_position.previous_valid,
1213 goal_column: point_for_position.exact_unclipped.column(),
1214 scroll_delta,
1215 },
1216 window,
1217 cx,
1218 );
1219 }
1220 }
1221 _ => {}
1222 }
1223 } else {
1224 editor.select(
1225 SelectPhase::Update {
1226 position: point_for_position.previous_valid,
1227 goal_column: point_for_position.exact_unclipped.column(),
1228 scroll_delta,
1229 },
1230 window,
1231 cx,
1232 );
1233 }
1234 }
1235
1236 pub(crate) fn mouse_moved(
1237 editor: &mut Editor,
1238 event: &MouseMoveEvent,
1239 position_map: &PositionMap,
1240 split_side: Option<SplitSide>,
1241 window: &mut Window,
1242 cx: &mut Context<Editor>,
1243 ) {
1244 let text_hitbox = &position_map.text_hitbox;
1245 let gutter_hitbox = &position_map.gutter_hitbox;
1246 let modifiers = event.modifiers;
1247 let text_hovered = text_hitbox.is_hovered(window);
1248 let gutter_hovered = gutter_hitbox.is_hovered(window);
1249 editor.set_gutter_hovered(gutter_hovered, cx);
1250 editor.show_mouse_cursor(cx);
1251
1252 let point_for_position = position_map.point_for_position(event.position);
1253 let valid_point = point_for_position.previous_valid;
1254
1255 // Update diff review drag state if we're dragging
1256 if editor.diff_review_drag_state.is_some() {
1257 editor.update_diff_review_drag(valid_point.row(), window, cx);
1258 }
1259
1260 let hovered_diff_control = position_map
1261 .diff_hunk_control_bounds
1262 .iter()
1263 .find(|(_, bounds)| bounds.contains(&event.position))
1264 .map(|(row, _)| *row);
1265
1266 let hovered_diff_hunk_row = if let Some(control_row) = hovered_diff_control {
1267 Some(control_row)
1268 } else if text_hovered {
1269 let current_row = valid_point.row();
1270 position_map.display_hunks.iter().find_map(|(hunk, _)| {
1271 if let DisplayDiffHunk::Unfolded {
1272 display_row_range, ..
1273 } = hunk
1274 {
1275 if display_row_range.contains(¤t_row) {
1276 Some(display_row_range.start)
1277 } else {
1278 None
1279 }
1280 } else {
1281 None
1282 }
1283 })
1284 } else {
1285 None
1286 };
1287
1288 if hovered_diff_hunk_row != editor.hovered_diff_hunk_row {
1289 editor.hovered_diff_hunk_row = hovered_diff_hunk_row;
1290 cx.notify();
1291 }
1292
1293 if let Some((bounds, buffer_id, blame_entry)) = &position_map.inline_blame_bounds {
1294 let mouse_over_inline_blame = bounds.contains(&event.position);
1295 let mouse_over_popover = editor
1296 .inline_blame_popover
1297 .as_ref()
1298 .and_then(|state| state.popover_bounds)
1299 .is_some_and(|bounds| bounds.contains(&event.position));
1300 let keyboard_grace = editor
1301 .inline_blame_popover
1302 .as_ref()
1303 .is_some_and(|state| state.keyboard_grace);
1304
1305 if mouse_over_inline_blame || mouse_over_popover {
1306 editor.show_blame_popover(*buffer_id, blame_entry, event.position, false, cx);
1307 } else if !keyboard_grace {
1308 editor.hide_blame_popover(false, cx);
1309 }
1310 } else {
1311 let keyboard_grace = editor
1312 .inline_blame_popover
1313 .as_ref()
1314 .is_some_and(|state| state.keyboard_grace);
1315 if !keyboard_grace {
1316 editor.hide_blame_popover(false, cx);
1317 }
1318 }
1319
1320 // Handle diff review indicator when gutter is hovered in diff mode with AI enabled
1321 let show_diff_review = editor.show_diff_review_button()
1322 && cx.has_flag::<DiffReviewFeatureFlag>()
1323 && !DisableAiSettings::is_ai_disabled_for_buffer(
1324 editor.buffer.read(cx).as_singleton().as_ref(),
1325 cx,
1326 );
1327
1328 let diff_review_indicator = if gutter_hovered && show_diff_review {
1329 let is_visible = editor
1330 .gutter_diff_review_indicator
1331 .0
1332 .is_some_and(|indicator| indicator.is_active);
1333
1334 if !is_visible {
1335 editor
1336 .gutter_diff_review_indicator
1337 .1
1338 .get_or_insert_with(|| {
1339 cx.spawn(async move |this, cx| {
1340 cx.background_executor()
1341 .timer(Duration::from_millis(200))
1342 .await;
1343
1344 this.update(cx, |this, cx| {
1345 if let Some(indicator) =
1346 this.gutter_diff_review_indicator.0.as_mut()
1347 {
1348 indicator.is_active = true;
1349 cx.notify();
1350 }
1351 })
1352 .ok();
1353 })
1354 });
1355 }
1356
1357 let anchor = position_map
1358 .snapshot
1359 .display_point_to_anchor(valid_point, Bias::Left);
1360 Some(PhantomDiffReviewIndicator {
1361 start: anchor,
1362 end: anchor,
1363 is_active: is_visible,
1364 })
1365 } else {
1366 editor.gutter_diff_review_indicator.1 = None;
1367 None
1368 };
1369
1370 if diff_review_indicator != editor.gutter_diff_review_indicator.0 {
1371 editor.gutter_diff_review_indicator.0 = diff_review_indicator;
1372 cx.notify();
1373 }
1374
1375 // Don't show breakpoint indicator when diff review indicator is active on this row
1376 let is_on_diff_review_button_row = diff_review_indicator.is_some_and(|indicator| {
1377 let start_row = indicator
1378 .start
1379 .to_display_point(&position_map.snapshot.display_snapshot)
1380 .row();
1381 indicator.is_active && start_row == valid_point.row()
1382 });
1383
1384 let breakpoint_indicator = if gutter_hovered
1385 && !is_on_diff_review_button_row
1386 && split_side != Some(SplitSide::Left)
1387 {
1388 let buffer_anchor = position_map
1389 .snapshot
1390 .display_point_to_anchor(valid_point, Bias::Left);
1391
1392 if let Some((buffer_snapshot, file)) = position_map
1393 .snapshot
1394 .buffer_snapshot()
1395 .buffer_for_excerpt(buffer_anchor.excerpt_id)
1396 .and_then(|buffer| buffer.file().map(|file| (buffer, file)))
1397 {
1398 let as_point = text::ToPoint::to_point(&buffer_anchor.text_anchor, buffer_snapshot);
1399
1400 let is_visible = editor
1401 .gutter_breakpoint_indicator
1402 .0
1403 .is_some_and(|indicator| indicator.is_active);
1404
1405 let has_existing_breakpoint =
1406 editor.breakpoint_store.as_ref().is_some_and(|store| {
1407 let Some(project) = &editor.project else {
1408 return false;
1409 };
1410 let Some(abs_path) = project.read(cx).absolute_path(
1411 &ProjectPath {
1412 path: file.path().clone(),
1413 worktree_id: file.worktree_id(cx),
1414 },
1415 cx,
1416 ) else {
1417 return false;
1418 };
1419 store
1420 .read(cx)
1421 .breakpoint_at_row(&abs_path, as_point.row, cx)
1422 .is_some()
1423 });
1424
1425 if !is_visible {
1426 editor.gutter_breakpoint_indicator.1.get_or_insert_with(|| {
1427 cx.spawn(async move |this, cx| {
1428 cx.background_executor()
1429 .timer(Duration::from_millis(200))
1430 .await;
1431
1432 this.update(cx, |this, cx| {
1433 if let Some(indicator) = this.gutter_breakpoint_indicator.0.as_mut()
1434 {
1435 indicator.is_active = true;
1436 cx.notify();
1437 }
1438 })
1439 .ok();
1440 })
1441 });
1442 }
1443
1444 Some(PhantomBreakpointIndicator {
1445 display_row: valid_point.row(),
1446 is_active: is_visible,
1447 collides_with_existing_breakpoint: has_existing_breakpoint,
1448 })
1449 } else {
1450 editor.gutter_breakpoint_indicator.1 = None;
1451 None
1452 }
1453 } else {
1454 editor.gutter_breakpoint_indicator.1 = None;
1455 None
1456 };
1457
1458 if &breakpoint_indicator != &editor.gutter_breakpoint_indicator.0 {
1459 editor.gutter_breakpoint_indicator.0 = breakpoint_indicator;
1460 cx.notify();
1461 }
1462
1463 // Don't trigger hover popover if mouse is hovering over context menu
1464 if text_hovered {
1465 editor.update_hovered_link(
1466 point_for_position,
1467 Some(event.position),
1468 &position_map.snapshot,
1469 modifiers,
1470 window,
1471 cx,
1472 );
1473
1474 if let Some(point) = point_for_position.as_valid() {
1475 let anchor = position_map
1476 .snapshot
1477 .buffer_snapshot()
1478 .anchor_before(point.to_offset(&position_map.snapshot, Bias::Left));
1479 hover_at(editor, Some(anchor), Some(event.position), window, cx);
1480 Self::update_visible_cursor(editor, point, position_map, window, cx);
1481 } else {
1482 editor.update_inlay_link_and_hover_points(
1483 &position_map.snapshot,
1484 point_for_position,
1485 Some(event.position),
1486 modifiers.secondary(),
1487 modifiers.shift,
1488 window,
1489 cx,
1490 );
1491 }
1492 } else {
1493 editor.hide_hovered_link(cx);
1494 hover_at(editor, None, Some(event.position), window, cx);
1495 }
1496 }
1497
1498 fn update_visible_cursor(
1499 editor: &mut Editor,
1500 point: DisplayPoint,
1501 position_map: &PositionMap,
1502 window: &mut Window,
1503 cx: &mut Context<Editor>,
1504 ) {
1505 let snapshot = &position_map.snapshot;
1506 let Some(hub) = editor.collaboration_hub() else {
1507 return;
1508 };
1509 let start = snapshot.display_snapshot.clip_point(
1510 DisplayPoint::new(point.row(), point.column().saturating_sub(1)),
1511 Bias::Left,
1512 );
1513 let end = snapshot.display_snapshot.clip_point(
1514 DisplayPoint::new(
1515 point.row(),
1516 (point.column() + 1).min(snapshot.line_len(point.row())),
1517 ),
1518 Bias::Right,
1519 );
1520
1521 let range = snapshot
1522 .buffer_snapshot()
1523 .anchor_before(start.to_point(&snapshot.display_snapshot))
1524 ..snapshot
1525 .buffer_snapshot()
1526 .anchor_after(end.to_point(&snapshot.display_snapshot));
1527
1528 let Some(selection) = snapshot.remote_selections_in_range(&range, hub, cx).next() else {
1529 return;
1530 };
1531 let key = crate::HoveredCursor {
1532 replica_id: selection.replica_id,
1533 selection_id: selection.selection.id,
1534 };
1535 editor.hovered_cursors.insert(
1536 key.clone(),
1537 cx.spawn_in(window, async move |editor, cx| {
1538 cx.background_executor().timer(CURSORS_VISIBLE_FOR).await;
1539 editor
1540 .update(cx, |editor, cx| {
1541 editor.hovered_cursors.remove(&key);
1542 cx.notify();
1543 })
1544 .ok();
1545 }),
1546 );
1547 cx.notify()
1548 }
1549
1550 fn layout_selections(
1551 &self,
1552 start_anchor: Anchor,
1553 end_anchor: Anchor,
1554 local_selections: &[Selection<Point>],
1555 snapshot: &EditorSnapshot,
1556 start_row: DisplayRow,
1557 end_row: DisplayRow,
1558 window: &mut Window,
1559 cx: &mut App,
1560 ) -> (
1561 Vec<(PlayerColor, Vec<SelectionLayout>)>,
1562 BTreeMap<DisplayRow, LineHighlightSpec>,
1563 Option<DisplayPoint>,
1564 ) {
1565 let mut selections: Vec<(PlayerColor, Vec<SelectionLayout>)> = Vec::new();
1566 let mut active_rows = BTreeMap::new();
1567 let mut newest_selection_head = None;
1568
1569 let Some(editor_with_selections) = self.editor_with_selections(cx) else {
1570 return (selections, active_rows, newest_selection_head);
1571 };
1572
1573 editor_with_selections.update(cx, |editor, cx| {
1574 if editor.show_local_selections {
1575 let mut layouts = Vec::new();
1576 let newest = editor.selections.newest(&editor.display_snapshot(cx));
1577 for selection in local_selections.iter().cloned() {
1578 let is_empty = selection.start == selection.end;
1579 let is_newest = selection == newest;
1580
1581 let layout = SelectionLayout::new(
1582 selection,
1583 editor.selections.line_mode(),
1584 editor.cursor_offset_on_selection,
1585 editor.cursor_shape,
1586 &snapshot.display_snapshot,
1587 is_newest,
1588 editor.leader_id.is_none(),
1589 None,
1590 );
1591 if is_newest {
1592 newest_selection_head = Some(layout.head);
1593 }
1594
1595 for row in cmp::max(layout.active_rows.start.0, start_row.0)
1596 ..=cmp::min(layout.active_rows.end.0, end_row.0)
1597 {
1598 let contains_non_empty_selection = active_rows
1599 .entry(DisplayRow(row))
1600 .or_insert_with(LineHighlightSpec::default);
1601 contains_non_empty_selection.selection |= !is_empty;
1602 }
1603 layouts.push(layout);
1604 }
1605
1606 let mut player = editor.current_user_player_color(cx);
1607 if !editor.is_focused(window) {
1608 const UNFOCUS_EDITOR_SELECTION_OPACITY: f32 = 0.5;
1609 player.selection = player.selection.opacity(UNFOCUS_EDITOR_SELECTION_OPACITY);
1610 }
1611 selections.push((player, layouts));
1612
1613 if let SelectionDragState::Dragging {
1614 ref selection,
1615 ref drop_cursor,
1616 ref hide_drop_cursor,
1617 } = editor.selection_drag_state
1618 && !hide_drop_cursor
1619 && (drop_cursor
1620 .start
1621 .cmp(&selection.start, &snapshot.buffer_snapshot())
1622 .eq(&Ordering::Less)
1623 || drop_cursor
1624 .end
1625 .cmp(&selection.end, &snapshot.buffer_snapshot())
1626 .eq(&Ordering::Greater))
1627 {
1628 let drag_cursor_layout = SelectionLayout::new(
1629 drop_cursor.clone(),
1630 false,
1631 editor.cursor_offset_on_selection,
1632 CursorShape::Bar,
1633 &snapshot.display_snapshot,
1634 false,
1635 false,
1636 None,
1637 );
1638 let absent_color = cx.theme().players().absent();
1639 selections.push((absent_color, vec![drag_cursor_layout]));
1640 }
1641 }
1642
1643 if let Some(collaboration_hub) = &editor.collaboration_hub {
1644 // When following someone, render the local selections in their color.
1645 if let Some(leader_id) = editor.leader_id {
1646 match leader_id {
1647 CollaboratorId::PeerId(peer_id) => {
1648 if let Some(collaborator) =
1649 collaboration_hub.collaborators(cx).get(&peer_id)
1650 && let Some(participant_index) = collaboration_hub
1651 .user_participant_indices(cx)
1652 .get(&collaborator.user_id)
1653 && let Some((local_selection_style, _)) = selections.first_mut()
1654 {
1655 *local_selection_style = cx
1656 .theme()
1657 .players()
1658 .color_for_participant(participant_index.0);
1659 }
1660 }
1661 CollaboratorId::Agent => {
1662 if let Some((local_selection_style, _)) = selections.first_mut() {
1663 *local_selection_style = cx.theme().players().agent();
1664 }
1665 }
1666 }
1667 }
1668
1669 let mut remote_selections = HashMap::default();
1670 for selection in snapshot.remote_selections_in_range(
1671 &(start_anchor..end_anchor),
1672 collaboration_hub.as_ref(),
1673 cx,
1674 ) {
1675 // Don't re-render the leader's selections, since the local selections
1676 // match theirs.
1677 if Some(selection.collaborator_id) == editor.leader_id {
1678 continue;
1679 }
1680 let key = HoveredCursor {
1681 replica_id: selection.replica_id,
1682 selection_id: selection.selection.id,
1683 };
1684
1685 let is_shown =
1686 editor.show_cursor_names || editor.hovered_cursors.contains_key(&key);
1687
1688 remote_selections
1689 .entry(selection.replica_id)
1690 .or_insert((selection.color, Vec::new()))
1691 .1
1692 .push(SelectionLayout::new(
1693 selection.selection,
1694 selection.line_mode,
1695 editor.cursor_offset_on_selection,
1696 selection.cursor_shape,
1697 &snapshot.display_snapshot,
1698 false,
1699 false,
1700 if is_shown { selection.user_name } else { None },
1701 ));
1702 }
1703
1704 selections.extend(remote_selections.into_values());
1705 } else if !editor.is_focused(window) && editor.show_cursor_when_unfocused {
1706 let cursor_offset_on_selection = editor.cursor_offset_on_selection;
1707
1708 let layouts = snapshot
1709 .buffer_snapshot()
1710 .selections_in_range(&(start_anchor..end_anchor), true)
1711 .map(move |(_, line_mode, cursor_shape, selection)| {
1712 SelectionLayout::new(
1713 selection,
1714 line_mode,
1715 cursor_offset_on_selection,
1716 cursor_shape,
1717 &snapshot.display_snapshot,
1718 false,
1719 false,
1720 None,
1721 )
1722 })
1723 .collect::<Vec<_>>();
1724 let player = editor.current_user_player_color(cx);
1725 selections.push((player, layouts));
1726 }
1727 });
1728
1729 #[cfg(debug_assertions)]
1730 Self::layout_debug_ranges(
1731 &mut selections,
1732 start_anchor..end_anchor,
1733 &snapshot.display_snapshot,
1734 cx,
1735 );
1736
1737 (selections, active_rows, newest_selection_head)
1738 }
1739
1740 fn collect_cursors(
1741 &self,
1742 snapshot: &EditorSnapshot,
1743 cx: &mut App,
1744 ) -> Vec<(DisplayPoint, Hsla)> {
1745 let editor = self.editor.read(cx);
1746 let mut cursors = Vec::new();
1747 let mut skip_local = false;
1748 let mut add_cursor = |anchor: Anchor, color| {
1749 cursors.push((anchor.to_display_point(&snapshot.display_snapshot), color));
1750 };
1751 // Remote cursors
1752 if let Some(collaboration_hub) = &editor.collaboration_hub {
1753 for remote_selection in snapshot.remote_selections_in_range(
1754 &(Anchor::min()..Anchor::max()),
1755 collaboration_hub.deref(),
1756 cx,
1757 ) {
1758 add_cursor(
1759 remote_selection.selection.head(),
1760 remote_selection.color.cursor,
1761 );
1762 if Some(remote_selection.collaborator_id) == editor.leader_id {
1763 skip_local = true;
1764 }
1765 }
1766 }
1767 // Local cursors
1768 if !skip_local {
1769 let color = cx.theme().players().local().cursor;
1770 editor
1771 .selections
1772 .disjoint_anchors()
1773 .iter()
1774 .for_each(|selection| {
1775 add_cursor(selection.head(), color);
1776 });
1777 if let Some(ref selection) = editor.selections.pending_anchor() {
1778 add_cursor(selection.head(), color);
1779 }
1780 }
1781 cursors
1782 }
1783
1784 fn layout_visible_cursors(
1785 &self,
1786 snapshot: &EditorSnapshot,
1787 selections: &[(PlayerColor, Vec<SelectionLayout>)],
1788 row_block_types: &HashMap<DisplayRow, bool>,
1789 visible_display_row_range: Range<DisplayRow>,
1790 line_layouts: &[LineWithInvisibles],
1791 text_hitbox: &Hitbox,
1792 content_origin: gpui::Point<Pixels>,
1793 scroll_position: gpui::Point<ScrollOffset>,
1794 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
1795 line_height: Pixels,
1796 em_width: Pixels,
1797 em_advance: Pixels,
1798 autoscroll_containing_element: bool,
1799 redacted_ranges: &[Range<DisplayPoint>],
1800 window: &mut Window,
1801 cx: &mut App,
1802 ) -> Vec<CursorLayout> {
1803 let mut autoscroll_bounds = None;
1804 let cursor_layouts = self.editor.update(cx, |editor, cx| {
1805 let mut cursors = Vec::new();
1806
1807 let show_local_cursors = editor.show_local_cursors(window, cx);
1808
1809 for (player_color, selections) in selections {
1810 for selection in selections {
1811 let cursor_position = selection.head;
1812
1813 let in_range = visible_display_row_range.contains(&cursor_position.row());
1814 if (selection.is_local && !show_local_cursors)
1815 || !in_range
1816 || row_block_types.get(&cursor_position.row()) == Some(&true)
1817 {
1818 continue;
1819 }
1820
1821 let cursor_row_layout = &line_layouts
1822 [cursor_position.row().minus(visible_display_row_range.start) as usize];
1823 let cursor_column = cursor_position.column() as usize;
1824
1825 let cursor_character_x = cursor_row_layout.x_for_index(cursor_column)
1826 + cursor_row_layout
1827 .alignment_offset(self.style.text.text_align, text_hitbox.size.width);
1828 let cursor_next_x = cursor_row_layout.x_for_index(cursor_column + 1)
1829 + cursor_row_layout
1830 .alignment_offset(self.style.text.text_align, text_hitbox.size.width);
1831 let mut cell_width = cursor_next_x - cursor_character_x;
1832 if cell_width == Pixels::ZERO {
1833 cell_width = em_advance;
1834 }
1835
1836 let mut block_width = cell_width;
1837 let mut block_text = None;
1838
1839 let is_cursor_in_redacted_range = redacted_ranges
1840 .iter()
1841 .any(|range| range.start <= cursor_position && cursor_position < range.end);
1842
1843 if selection.cursor_shape == CursorShape::Block && !is_cursor_in_redacted_range
1844 {
1845 if let Some(text) = snapshot.grapheme_at(cursor_position).or_else(|| {
1846 if snapshot.is_empty() {
1847 snapshot.placeholder_text().and_then(|s| {
1848 s.graphemes(true).next().map(|s| s.to_string().into())
1849 })
1850 } else {
1851 None
1852 }
1853 }) {
1854 let is_ascii_whitespace_only =
1855 text.as_ref().chars().all(|c| c.is_ascii_whitespace());
1856 let len = text.len();
1857
1858 let mut font = cursor_row_layout
1859 .font_id_for_index(cursor_column)
1860 .and_then(|cursor_font_id| {
1861 window.text_system().get_font_for_id(cursor_font_id)
1862 })
1863 .unwrap_or(self.style.text.font());
1864 font.features = self.style.text.font_features.clone();
1865
1866 // Invert the text color for the block cursor. Ensure that the text
1867 // color is opaque enough to be visible against the background color.
1868 //
1869 // 0.75 is an arbitrary threshold to determine if the background color is
1870 // opaque enough to use as a text color.
1871 //
1872 // TODO: In the future we should ensure themes have a `text_inverse` color.
1873 let color = if cx.theme().colors().editor_background.a < 0.75 {
1874 match cx.theme().appearance {
1875 Appearance::Dark => Hsla::black(),
1876 Appearance::Light => Hsla::white(),
1877 }
1878 } else {
1879 cx.theme().colors().editor_background
1880 };
1881
1882 let shaped = window.text_system().shape_line(
1883 text,
1884 cursor_row_layout.font_size,
1885 &[TextRun {
1886 len,
1887 font,
1888 color,
1889 ..Default::default()
1890 }],
1891 None,
1892 );
1893 if !is_ascii_whitespace_only {
1894 block_width = block_width.max(shaped.width);
1895 }
1896 block_text = Some(shaped);
1897 }
1898 }
1899
1900 let x = cursor_character_x - scroll_pixel_position.x.into();
1901 let y = ((cursor_position.row().as_f64() - scroll_position.y)
1902 * ScrollPixelOffset::from(line_height))
1903 .into();
1904 if selection.is_newest {
1905 editor.pixel_position_of_newest_cursor = Some(point(
1906 text_hitbox.origin.x + x + block_width / 2.,
1907 text_hitbox.origin.y + y + line_height / 2.,
1908 ));
1909
1910 if autoscroll_containing_element {
1911 let top = text_hitbox.origin.y
1912 + ((cursor_position.row().as_f64() - scroll_position.y - 3.)
1913 .max(0.)
1914 * ScrollPixelOffset::from(line_height))
1915 .into();
1916 let left = text_hitbox.origin.x
1917 + ((cursor_position.column() as ScrollOffset
1918 - scroll_position.x
1919 - 3.)
1920 .max(0.)
1921 * ScrollPixelOffset::from(em_width))
1922 .into();
1923
1924 let bottom = text_hitbox.origin.y
1925 + ((cursor_position.row().as_f64() - scroll_position.y + 4.)
1926 * ScrollPixelOffset::from(line_height))
1927 .into();
1928 let right = text_hitbox.origin.x
1929 + ((cursor_position.column() as ScrollOffset - scroll_position.x
1930 + 4.)
1931 * ScrollPixelOffset::from(em_width))
1932 .into();
1933
1934 autoscroll_bounds =
1935 Some(Bounds::from_corners(point(left, top), point(right, bottom)))
1936 }
1937 }
1938
1939 let mut cursor = CursorLayout {
1940 color: player_color.cursor,
1941 block_width,
1942 origin: point(x, y),
1943 line_height,
1944 shape: selection.cursor_shape,
1945 block_text,
1946 cursor_name: None,
1947 };
1948 let cursor_name = selection.user_name.clone().map(|name| CursorName {
1949 string: name,
1950 color: self.style.background,
1951 is_top_row: cursor_position.row().0 == 0,
1952 });
1953 cursor.layout(content_origin, cursor_name, window, cx);
1954 cursors.push(cursor);
1955 }
1956 }
1957
1958 cursors
1959 });
1960
1961 if let Some(bounds) = autoscroll_bounds {
1962 window.request_autoscroll(bounds);
1963 }
1964
1965 cursor_layouts
1966 }
1967
1968 fn layout_scrollbars(
1969 &self,
1970 snapshot: &EditorSnapshot,
1971 scrollbar_layout_information: &ScrollbarLayoutInformation,
1972 content_offset: gpui::Point<Pixels>,
1973 scroll_position: gpui::Point<ScrollOffset>,
1974 non_visible_cursors: bool,
1975 right_margin: Pixels,
1976 editor_width: Pixels,
1977 window: &mut Window,
1978 cx: &mut App,
1979 ) -> Option<EditorScrollbars> {
1980 let show_scrollbars = self.editor.read(cx).show_scrollbars;
1981 if (!show_scrollbars.horizontal && !show_scrollbars.vertical)
1982 || self.style.scrollbar_width.is_zero()
1983 {
1984 return None;
1985 }
1986
1987 // If a drag took place after we started dragging the scrollbar,
1988 // cancel the scrollbar drag.
1989 if cx.has_active_drag() {
1990 self.editor.update(cx, |editor, cx| {
1991 editor.scroll_manager.reset_scrollbar_state(cx)
1992 });
1993 }
1994
1995 let editor_settings = EditorSettings::get_global(cx);
1996 let scrollbar_settings = editor_settings.scrollbar;
1997 let show_scrollbars = match scrollbar_settings.show {
1998 ShowScrollbar::Auto => {
1999 let editor = self.editor.read(cx);
2000 let is_singleton = editor.buffer_kind(cx) == ItemBufferKind::Singleton;
2001 // Git
2002 (is_singleton && scrollbar_settings.git_diff && snapshot.buffer_snapshot().has_diff_hunks())
2003 ||
2004 // Buffer Search Results
2005 (is_singleton && scrollbar_settings.search_results && editor.has_background_highlights(HighlightKey::BufferSearchHighlights))
2006 ||
2007 // Selected Text Occurrences
2008 (is_singleton && scrollbar_settings.selected_text && editor.has_background_highlights(HighlightKey::SelectedTextHighlight))
2009 ||
2010 // Selected Symbol Occurrences
2011 (is_singleton && scrollbar_settings.selected_symbol && (editor.has_background_highlights(HighlightKey::DocumentHighlightRead) || editor.has_background_highlights(HighlightKey::DocumentHighlightWrite)))
2012 ||
2013 // Diagnostics
2014 (is_singleton && scrollbar_settings.diagnostics != ScrollbarDiagnostics::None && snapshot.buffer_snapshot().has_diagnostics())
2015 ||
2016 // Cursors out of sight
2017 non_visible_cursors
2018 ||
2019 // Scrollmanager
2020 editor.scroll_manager.scrollbars_visible()
2021 }
2022 ShowScrollbar::System => self.editor.read(cx).scroll_manager.scrollbars_visible(),
2023 ShowScrollbar::Always => true,
2024 ShowScrollbar::Never => return None,
2025 };
2026
2027 // The horizontal scrollbar is usually slightly offset to align nicely with
2028 // indent guides. However, this offset is not needed if indent guides are
2029 // disabled for the current editor.
2030 let content_offset = self
2031 .editor
2032 .read(cx)
2033 .show_indent_guides
2034 .is_none_or(|should_show| should_show)
2035 .then_some(content_offset)
2036 .unwrap_or_default();
2037
2038 Some(EditorScrollbars::from_scrollbar_axes(
2039 ScrollbarAxes {
2040 horizontal: scrollbar_settings.axes.horizontal
2041 && self.editor.read(cx).show_scrollbars.horizontal,
2042 vertical: scrollbar_settings.axes.vertical
2043 && self.editor.read(cx).show_scrollbars.vertical,
2044 },
2045 scrollbar_layout_information,
2046 content_offset,
2047 scroll_position,
2048 self.style.scrollbar_width,
2049 right_margin,
2050 editor_width,
2051 show_scrollbars,
2052 self.editor.read(cx).scroll_manager.active_scrollbar_state(),
2053 window,
2054 ))
2055 }
2056
2057 fn layout_minimap(
2058 &self,
2059 snapshot: &EditorSnapshot,
2060 minimap_width: Pixels,
2061 scroll_position: gpui::Point<f64>,
2062 scrollbar_layout_information: &ScrollbarLayoutInformation,
2063 scrollbar_layout: Option<&EditorScrollbars>,
2064 window: &mut Window,
2065 cx: &mut App,
2066 ) -> Option<MinimapLayout> {
2067 let minimap_editor = self.editor.read(cx).minimap().cloned()?;
2068
2069 let minimap_settings = EditorSettings::get_global(cx).minimap;
2070
2071 if minimap_settings.on_active_editor() {
2072 let active_editor = self.editor.read(cx).workspace().and_then(|ws| {
2073 ws.read(cx)
2074 .active_pane()
2075 .read(cx)
2076 .active_item()
2077 .and_then(|i| i.act_as::<Editor>(cx))
2078 });
2079 if active_editor.is_some_and(|e| e != self.editor) {
2080 return None;
2081 }
2082 }
2083
2084 if !snapshot.mode.is_full()
2085 || minimap_width.is_zero()
2086 || matches!(
2087 minimap_settings.show,
2088 ShowMinimap::Auto if scrollbar_layout.is_none_or(|layout| !layout.visible)
2089 )
2090 {
2091 return None;
2092 }
2093
2094 const MINIMAP_AXIS: ScrollbarAxis = ScrollbarAxis::Vertical;
2095
2096 let ScrollbarLayoutInformation {
2097 editor_bounds,
2098 scroll_range,
2099 glyph_grid_cell,
2100 } = scrollbar_layout_information;
2101
2102 let line_height = glyph_grid_cell.height;
2103 let scroll_position = scroll_position.along(MINIMAP_AXIS);
2104
2105 let top_right_anchor = scrollbar_layout
2106 .and_then(|layout| layout.vertical.as_ref())
2107 .map(|vertical_scrollbar| vertical_scrollbar.hitbox.origin)
2108 .unwrap_or_else(|| editor_bounds.top_right());
2109
2110 let thumb_state = self
2111 .editor
2112 .read_with(cx, |editor, _| editor.scroll_manager.minimap_thumb_state());
2113
2114 let show_thumb = match minimap_settings.thumb {
2115 MinimapThumb::Always => true,
2116 MinimapThumb::Hover => thumb_state.is_some(),
2117 };
2118
2119 let minimap_bounds = Bounds::from_corner_and_size(
2120 Corner::TopRight,
2121 top_right_anchor,
2122 size(minimap_width, editor_bounds.size.height),
2123 );
2124 let minimap_line_height = self.get_minimap_line_height(
2125 minimap_editor
2126 .read(cx)
2127 .text_style_refinement
2128 .as_ref()
2129 .and_then(|refinement| refinement.font_size)
2130 .unwrap_or(MINIMAP_FONT_SIZE),
2131 window,
2132 cx,
2133 );
2134 let minimap_height = minimap_bounds.size.height;
2135
2136 let visible_editor_lines = (editor_bounds.size.height / line_height) as f64;
2137 let total_editor_lines = (scroll_range.height / line_height) as f64;
2138 let minimap_lines = (minimap_height / minimap_line_height) as f64;
2139
2140 let minimap_scroll_top = MinimapLayout::calculate_minimap_top_offset(
2141 total_editor_lines,
2142 visible_editor_lines,
2143 minimap_lines,
2144 scroll_position,
2145 );
2146
2147 let layout = ScrollbarLayout::for_minimap(
2148 window.insert_hitbox(minimap_bounds, HitboxBehavior::Normal),
2149 visible_editor_lines,
2150 total_editor_lines,
2151 minimap_line_height,
2152 scroll_position,
2153 minimap_scroll_top,
2154 show_thumb,
2155 )
2156 .with_thumb_state(thumb_state);
2157
2158 minimap_editor.update(cx, |editor, cx| {
2159 editor.set_scroll_position(point(0., minimap_scroll_top), window, cx)
2160 });
2161
2162 // Required for the drop shadow to be visible
2163 const PADDING_OFFSET: Pixels = px(4.);
2164
2165 let mut minimap = div()
2166 .size_full()
2167 .shadow_xs()
2168 .px(PADDING_OFFSET)
2169 .child(minimap_editor)
2170 .into_any_element();
2171
2172 let extended_bounds = minimap_bounds.extend(Edges {
2173 right: PADDING_OFFSET,
2174 left: PADDING_OFFSET,
2175 ..Default::default()
2176 });
2177 minimap.layout_as_root(extended_bounds.size.into(), window, cx);
2178 window.with_absolute_element_offset(extended_bounds.origin, |window| {
2179 minimap.prepaint(window, cx)
2180 });
2181
2182 Some(MinimapLayout {
2183 minimap,
2184 thumb_layout: layout,
2185 thumb_border_style: minimap_settings.thumb_border,
2186 minimap_line_height,
2187 minimap_scroll_top,
2188 max_scroll_top: total_editor_lines,
2189 })
2190 }
2191
2192 fn get_minimap_line_height(
2193 &self,
2194 font_size: AbsoluteLength,
2195 window: &mut Window,
2196 cx: &mut App,
2197 ) -> Pixels {
2198 let rem_size = self.rem_size(cx).unwrap_or(window.rem_size());
2199 let mut text_style = self.style.text.clone();
2200 text_style.font_size = font_size;
2201 text_style.line_height_in_pixels(rem_size)
2202 }
2203
2204 fn get_minimap_width(
2205 &self,
2206 minimap_settings: &Minimap,
2207 scrollbars_shown: bool,
2208 text_width: Pixels,
2209 em_width: Pixels,
2210 font_size: Pixels,
2211 rem_size: Pixels,
2212 cx: &App,
2213 ) -> Option<Pixels> {
2214 if minimap_settings.show == ShowMinimap::Auto && !scrollbars_shown {
2215 return None;
2216 }
2217
2218 let minimap_font_size = self.editor.read_with(cx, |editor, cx| {
2219 editor.minimap().map(|minimap_editor| {
2220 minimap_editor
2221 .read(cx)
2222 .text_style_refinement
2223 .as_ref()
2224 .and_then(|refinement| refinement.font_size)
2225 .unwrap_or(MINIMAP_FONT_SIZE)
2226 })
2227 })?;
2228
2229 let minimap_em_width = em_width * (minimap_font_size.to_pixels(rem_size) / font_size);
2230
2231 let minimap_width = (text_width * MinimapLayout::MINIMAP_WIDTH_PCT)
2232 .min(minimap_em_width * minimap_settings.max_width_columns.get() as f32);
2233
2234 (minimap_width >= minimap_em_width * MinimapLayout::MINIMAP_MIN_WIDTH_COLUMNS)
2235 .then_some(minimap_width)
2236 }
2237
2238 fn prepaint_crease_toggles(
2239 &self,
2240 crease_toggles: &mut [Option<AnyElement>],
2241 line_height: Pixels,
2242 gutter_dimensions: &GutterDimensions,
2243 gutter_settings: crate::editor_settings::Gutter,
2244 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2245 gutter_hitbox: &Hitbox,
2246 window: &mut Window,
2247 cx: &mut App,
2248 ) {
2249 for (ix, crease_toggle) in crease_toggles.iter_mut().enumerate() {
2250 if let Some(crease_toggle) = crease_toggle {
2251 debug_assert!(gutter_settings.folds);
2252 let available_space = size(
2253 AvailableSpace::MinContent,
2254 AvailableSpace::Definite(line_height * 0.55),
2255 );
2256 let crease_toggle_size = crease_toggle.layout_as_root(available_space, window, cx);
2257
2258 let position = point(
2259 gutter_dimensions.width - gutter_dimensions.right_padding,
2260 ix as f32 * line_height
2261 - (scroll_pixel_position.y % ScrollPixelOffset::from(line_height)).into(),
2262 );
2263 let centering_offset = point(
2264 (gutter_dimensions.fold_area_width() - crease_toggle_size.width) / 2.,
2265 (line_height - crease_toggle_size.height) / 2.,
2266 );
2267 let origin = gutter_hitbox.origin + position + centering_offset;
2268 crease_toggle.prepaint_as_root(origin, available_space, window, cx);
2269 }
2270 }
2271 }
2272
2273 fn prepaint_expand_toggles(
2274 &self,
2275 expand_toggles: &mut [Option<(AnyElement, gpui::Point<Pixels>)>],
2276 window: &mut Window,
2277 cx: &mut App,
2278 ) {
2279 for (expand_toggle, origin) in expand_toggles.iter_mut().flatten() {
2280 let available_space = size(AvailableSpace::MinContent, AvailableSpace::MinContent);
2281 expand_toggle.layout_as_root(available_space, window, cx);
2282 expand_toggle.prepaint_as_root(*origin, available_space, window, cx);
2283 }
2284 }
2285
2286 fn prepaint_crease_trailers(
2287 &self,
2288 trailers: Vec<Option<AnyElement>>,
2289 lines: &[LineWithInvisibles],
2290 line_height: Pixels,
2291 content_origin: gpui::Point<Pixels>,
2292 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2293 em_width: Pixels,
2294 window: &mut Window,
2295 cx: &mut App,
2296 ) -> Vec<Option<CreaseTrailerLayout>> {
2297 trailers
2298 .into_iter()
2299 .enumerate()
2300 .map(|(ix, element)| {
2301 let mut element = element?;
2302 let available_space = size(
2303 AvailableSpace::MinContent,
2304 AvailableSpace::Definite(line_height),
2305 );
2306 let size = element.layout_as_root(available_space, window, cx);
2307
2308 let line = &lines[ix];
2309 let padding = if line.width == Pixels::ZERO {
2310 Pixels::ZERO
2311 } else {
2312 4. * em_width
2313 };
2314 let position = point(
2315 Pixels::from(scroll_pixel_position.x) + line.width + padding,
2316 ix as f32 * line_height
2317 - (scroll_pixel_position.y % ScrollPixelOffset::from(line_height)).into(),
2318 );
2319 let centering_offset = point(px(0.), (line_height - size.height) / 2.);
2320 let origin = content_origin + position + centering_offset;
2321 element.prepaint_as_root(origin, available_space, window, cx);
2322 Some(CreaseTrailerLayout {
2323 element,
2324 bounds: Bounds::new(origin, size),
2325 })
2326 })
2327 .collect()
2328 }
2329
2330 // Folds contained in a hunk are ignored apart from shrinking visual size
2331 // If a fold contains any hunks then that fold line is marked as modified
2332 fn layout_gutter_diff_hunks(
2333 &self,
2334 line_height: Pixels,
2335 gutter_hitbox: &Hitbox,
2336 display_rows: Range<DisplayRow>,
2337 snapshot: &EditorSnapshot,
2338 window: &mut Window,
2339 cx: &mut App,
2340 ) -> Vec<(DisplayDiffHunk, Option<Hitbox>)> {
2341 let folded_buffers = self.editor.read(cx).folded_buffers(cx);
2342 let mut display_hunks = snapshot
2343 .display_diff_hunks_for_rows(display_rows, folded_buffers)
2344 .map(|hunk| (hunk, None))
2345 .collect::<Vec<_>>();
2346 let git_gutter_setting = ProjectSettings::get_global(cx).git.git_gutter;
2347 if let GitGutterSetting::TrackedFiles = git_gutter_setting {
2348 for (hunk, hitbox) in &mut display_hunks {
2349 if matches!(hunk, DisplayDiffHunk::Unfolded { .. }) {
2350 let hunk_bounds =
2351 Self::diff_hunk_bounds(snapshot, line_height, gutter_hitbox.bounds, hunk);
2352 *hitbox = Some(window.insert_hitbox(hunk_bounds, HitboxBehavior::BlockMouse));
2353 }
2354 }
2355 }
2356
2357 display_hunks
2358 }
2359
2360 fn layout_inline_diagnostics(
2361 &self,
2362 line_layouts: &[LineWithInvisibles],
2363 crease_trailers: &[Option<CreaseTrailerLayout>],
2364 row_block_types: &HashMap<DisplayRow, bool>,
2365 content_origin: gpui::Point<Pixels>,
2366 scroll_position: gpui::Point<ScrollOffset>,
2367 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2368 edit_prediction_popover_origin: Option<gpui::Point<Pixels>>,
2369 start_row: DisplayRow,
2370 end_row: DisplayRow,
2371 line_height: Pixels,
2372 em_width: Pixels,
2373 style: &EditorStyle,
2374 window: &mut Window,
2375 cx: &mut App,
2376 ) -> HashMap<DisplayRow, AnyElement> {
2377 let max_severity = match self
2378 .editor
2379 .read(cx)
2380 .inline_diagnostics_enabled()
2381 .then(|| {
2382 ProjectSettings::get_global(cx)
2383 .diagnostics
2384 .inline
2385 .max_severity
2386 .unwrap_or_else(|| self.editor.read(cx).diagnostics_max_severity)
2387 .into_lsp()
2388 })
2389 .flatten()
2390 {
2391 Some(max_severity) => max_severity,
2392 None => return HashMap::default(),
2393 };
2394
2395 let active_diagnostics_group =
2396 if let ActiveDiagnostic::Group(group) = &self.editor.read(cx).active_diagnostics {
2397 Some(group.group_id)
2398 } else {
2399 None
2400 };
2401
2402 let diagnostics_by_rows = self.editor.update(cx, |editor, cx| {
2403 let snapshot = editor.snapshot(window, cx);
2404 editor
2405 .inline_diagnostics
2406 .iter()
2407 .filter(|(_, diagnostic)| diagnostic.severity <= max_severity)
2408 .filter(|(_, diagnostic)| match active_diagnostics_group {
2409 Some(active_diagnostics_group) => {
2410 // Active diagnostics are all shown in the editor already, no need to display them inline
2411 diagnostic.group_id != active_diagnostics_group
2412 }
2413 None => true,
2414 })
2415 .map(|(point, diag)| (point.to_display_point(&snapshot), diag.clone()))
2416 .skip_while(|(point, _)| point.row() < start_row)
2417 .take_while(|(point, _)| point.row() < end_row)
2418 .filter(|(point, _)| !row_block_types.contains_key(&point.row()))
2419 .fold(HashMap::default(), |mut acc, (point, diagnostic)| {
2420 acc.entry(point.row())
2421 .or_insert_with(Vec::new)
2422 .push(diagnostic);
2423 acc
2424 })
2425 });
2426
2427 if diagnostics_by_rows.is_empty() {
2428 return HashMap::default();
2429 }
2430
2431 let severity_to_color = |sev: &lsp::DiagnosticSeverity| match sev {
2432 &lsp::DiagnosticSeverity::ERROR => Color::Error,
2433 &lsp::DiagnosticSeverity::WARNING => Color::Warning,
2434 &lsp::DiagnosticSeverity::INFORMATION => Color::Info,
2435 &lsp::DiagnosticSeverity::HINT => Color::Hint,
2436 _ => Color::Error,
2437 };
2438
2439 let padding = ProjectSettings::get_global(cx).diagnostics.inline.padding as f32 * em_width;
2440 let min_x = column_pixels(
2441 &self.style,
2442 ProjectSettings::get_global(cx)
2443 .diagnostics
2444 .inline
2445 .min_column as usize,
2446 window,
2447 );
2448
2449 let mut elements = HashMap::default();
2450 for (row, mut diagnostics) in diagnostics_by_rows {
2451 diagnostics.sort_by_key(|diagnostic| {
2452 (
2453 diagnostic.severity,
2454 std::cmp::Reverse(diagnostic.is_primary),
2455 diagnostic.start.row,
2456 diagnostic.start.column,
2457 )
2458 });
2459
2460 let Some(diagnostic_to_render) = diagnostics
2461 .iter()
2462 .find(|diagnostic| diagnostic.is_primary)
2463 .or_else(|| diagnostics.first())
2464 else {
2465 continue;
2466 };
2467
2468 let pos_y = content_origin.y + line_height * (row.0 as f64 - scroll_position.y) as f32;
2469
2470 let window_ix = row.0.saturating_sub(start_row.0) as usize;
2471 let pos_x = {
2472 let crease_trailer_layout = &crease_trailers[window_ix];
2473 let line_layout = &line_layouts[window_ix];
2474
2475 let line_end = if let Some(crease_trailer) = crease_trailer_layout {
2476 crease_trailer.bounds.right()
2477 } else {
2478 Pixels::from(
2479 ScrollPixelOffset::from(content_origin.x + line_layout.width)
2480 - scroll_pixel_position.x,
2481 )
2482 };
2483
2484 let padded_line = line_end + padding;
2485 let min_start = Pixels::from(
2486 ScrollPixelOffset::from(content_origin.x + min_x) - scroll_pixel_position.x,
2487 );
2488
2489 cmp::max(padded_line, min_start)
2490 };
2491
2492 let behind_edit_prediction_popover = edit_prediction_popover_origin
2493 .as_ref()
2494 .is_some_and(|edit_prediction_popover_origin| {
2495 (pos_y..pos_y + line_height).contains(&edit_prediction_popover_origin.y)
2496 });
2497 let opacity = if behind_edit_prediction_popover {
2498 0.5
2499 } else {
2500 1.0
2501 };
2502
2503 let mut element = h_flex()
2504 .id(("diagnostic", row.0))
2505 .h(line_height)
2506 .w_full()
2507 .px_1()
2508 .rounded_xs()
2509 .opacity(opacity)
2510 .bg(severity_to_color(&diagnostic_to_render.severity)
2511 .color(cx)
2512 .opacity(0.05))
2513 .text_color(severity_to_color(&diagnostic_to_render.severity).color(cx))
2514 .text_sm()
2515 .font(style.text.font())
2516 .child(diagnostic_to_render.message.clone())
2517 .into_any();
2518
2519 element.prepaint_as_root(point(pos_x, pos_y), AvailableSpace::min_size(), window, cx);
2520
2521 elements.insert(row, element);
2522 }
2523
2524 elements
2525 }
2526
2527 fn layout_inline_code_actions(
2528 &self,
2529 display_point: DisplayPoint,
2530 content_origin: gpui::Point<Pixels>,
2531 scroll_position: gpui::Point<ScrollOffset>,
2532 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2533 line_height: Pixels,
2534 snapshot: &EditorSnapshot,
2535 window: &mut Window,
2536 cx: &mut App,
2537 ) -> Option<AnyElement> {
2538 // Don't show code actions in split diff view
2539 if self.split_side.is_some() {
2540 return None;
2541 }
2542
2543 if !snapshot
2544 .show_code_actions
2545 .unwrap_or(EditorSettings::get_global(cx).inline_code_actions)
2546 {
2547 return None;
2548 }
2549
2550 let icon_size = ui::IconSize::XSmall;
2551 let mut button = self.editor.update(cx, |editor, cx| {
2552 editor.available_code_actions.as_ref()?;
2553 let active = editor
2554 .context_menu
2555 .borrow()
2556 .as_ref()
2557 .and_then(|menu| {
2558 if let crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2559 deployed_from,
2560 ..
2561 }) = menu
2562 {
2563 deployed_from.as_ref()
2564 } else {
2565 None
2566 }
2567 })
2568 .is_some_and(|source| matches!(source, CodeActionSource::Indicator(..)));
2569 Some(editor.render_inline_code_actions(icon_size, display_point.row(), active, cx))
2570 })?;
2571
2572 let buffer_point = display_point.to_point(&snapshot.display_snapshot);
2573
2574 // do not show code action for folded line
2575 if snapshot.is_line_folded(MultiBufferRow(buffer_point.row)) {
2576 return None;
2577 }
2578
2579 // do not show code action for blank line with cursor
2580 let line_indent = snapshot
2581 .display_snapshot
2582 .buffer_snapshot()
2583 .line_indent_for_row(MultiBufferRow(buffer_point.row));
2584 if line_indent.is_line_blank() {
2585 return None;
2586 }
2587
2588 const INLINE_SLOT_CHAR_LIMIT: u32 = 4;
2589 const MAX_ALTERNATE_DISTANCE: u32 = 8;
2590
2591 let excerpt_id = snapshot
2592 .display_snapshot
2593 .buffer_snapshot()
2594 .excerpt_containing(buffer_point..buffer_point)
2595 .map(|excerpt| excerpt.id());
2596
2597 let is_valid_row = |row_candidate: u32| -> bool {
2598 // move to other row if folded row
2599 if snapshot.is_line_folded(MultiBufferRow(row_candidate)) {
2600 return false;
2601 }
2602 if buffer_point.row == row_candidate {
2603 // move to other row if cursor is in slot
2604 if buffer_point.column < INLINE_SLOT_CHAR_LIMIT {
2605 return false;
2606 }
2607 } else {
2608 let candidate_point = MultiBufferPoint {
2609 row: row_candidate,
2610 column: 0,
2611 };
2612 let candidate_excerpt_id = snapshot
2613 .display_snapshot
2614 .buffer_snapshot()
2615 .excerpt_containing(candidate_point..candidate_point)
2616 .map(|excerpt| excerpt.id());
2617 // move to other row if different excerpt
2618 if excerpt_id != candidate_excerpt_id {
2619 return false;
2620 }
2621 }
2622 let line_indent = snapshot
2623 .display_snapshot
2624 .buffer_snapshot()
2625 .line_indent_for_row(MultiBufferRow(row_candidate));
2626 // use this row if it's blank
2627 if line_indent.is_line_blank() {
2628 true
2629 } else {
2630 // use this row if code starts after slot
2631 let indent_size = snapshot
2632 .display_snapshot
2633 .buffer_snapshot()
2634 .indent_size_for_line(MultiBufferRow(row_candidate));
2635 indent_size.len >= INLINE_SLOT_CHAR_LIMIT
2636 }
2637 };
2638
2639 let new_buffer_row = if is_valid_row(buffer_point.row) {
2640 Some(buffer_point.row)
2641 } else {
2642 let max_row = snapshot.display_snapshot.buffer_snapshot().max_point().row;
2643 (1..=MAX_ALTERNATE_DISTANCE).find_map(|offset| {
2644 let row_above = buffer_point.row.saturating_sub(offset);
2645 let row_below = buffer_point.row + offset;
2646 if row_above != buffer_point.row && is_valid_row(row_above) {
2647 Some(row_above)
2648 } else if row_below <= max_row && is_valid_row(row_below) {
2649 Some(row_below)
2650 } else {
2651 None
2652 }
2653 })
2654 }?;
2655
2656 let new_display_row = snapshot
2657 .display_snapshot
2658 .point_to_display_point(
2659 Point {
2660 row: new_buffer_row,
2661 column: buffer_point.column,
2662 },
2663 text::Bias::Left,
2664 )
2665 .row();
2666
2667 let start_y = content_origin.y
2668 + (((new_display_row.as_f64() - scroll_position.y) as f32) * line_height)
2669 + (line_height / 2.0)
2670 - (icon_size.square(window, cx) / 2.);
2671 let start_x = (ScrollPixelOffset::from(content_origin.x) - scroll_pixel_position.x
2672 + ScrollPixelOffset::from(window.rem_size() * 0.1))
2673 .into();
2674
2675 let absolute_offset = gpui::point(start_x, start_y);
2676 button.layout_as_root(gpui::AvailableSpace::min_size(), window, cx);
2677 button.prepaint_as_root(
2678 absolute_offset,
2679 gpui::AvailableSpace::min_size(),
2680 window,
2681 cx,
2682 );
2683 Some(button)
2684 }
2685
2686 fn layout_inline_blame(
2687 &self,
2688 display_row: DisplayRow,
2689 row_info: &RowInfo,
2690 line_layout: &LineWithInvisibles,
2691 crease_trailer: Option<&CreaseTrailerLayout>,
2692 em_width: Pixels,
2693 content_origin: gpui::Point<Pixels>,
2694 scroll_position: gpui::Point<ScrollOffset>,
2695 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2696 line_height: Pixels,
2697 window: &mut Window,
2698 cx: &mut App,
2699 ) -> Option<InlineBlameLayout> {
2700 if !self
2701 .editor
2702 .update(cx, |editor, cx| editor.render_git_blame_inline(window, cx))
2703 {
2704 return None;
2705 }
2706
2707 let editor = self.editor.read(cx);
2708 let blame = editor.blame.clone()?;
2709 let padding = {
2710 const INLINE_ACCEPT_SUGGESTION_EM_WIDTHS: f32 = 14.;
2711
2712 let mut padding = ProjectSettings::get_global(cx).git.inline_blame.padding as f32;
2713
2714 if let Some(edit_prediction) = editor.active_edit_prediction.as_ref()
2715 && let EditPrediction::Edit {
2716 display_mode: EditDisplayMode::TabAccept,
2717 ..
2718 } = &edit_prediction.completion
2719 {
2720 padding += INLINE_ACCEPT_SUGGESTION_EM_WIDTHS
2721 }
2722
2723 padding * em_width
2724 };
2725
2726 let (buffer_id, entry) = blame
2727 .update(cx, |blame, cx| {
2728 blame.blame_for_rows(&[*row_info], cx).next()
2729 })
2730 .flatten()?;
2731
2732 let mut element = render_inline_blame_entry(entry.clone(), &self.style, cx)?;
2733
2734 let start_y =
2735 content_origin.y + line_height * ((display_row.as_f64() - scroll_position.y) as f32);
2736
2737 let start_x = {
2738 let line_end = if let Some(crease_trailer) = crease_trailer {
2739 crease_trailer.bounds.right()
2740 } else {
2741 Pixels::from(
2742 ScrollPixelOffset::from(content_origin.x + line_layout.width)
2743 - scroll_pixel_position.x,
2744 )
2745 };
2746
2747 let padded_line_end = line_end + padding;
2748
2749 let min_column_in_pixels = column_pixels(
2750 &self.style,
2751 ProjectSettings::get_global(cx).git.inline_blame.min_column as usize,
2752 window,
2753 );
2754 let min_start = Pixels::from(
2755 ScrollPixelOffset::from(content_origin.x + min_column_in_pixels)
2756 - scroll_pixel_position.x,
2757 );
2758
2759 cmp::max(padded_line_end, min_start)
2760 };
2761
2762 let absolute_offset = point(start_x, start_y);
2763 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2764 let bounds = Bounds::new(absolute_offset, size);
2765
2766 element.prepaint_as_root(absolute_offset, AvailableSpace::min_size(), window, cx);
2767
2768 Some(InlineBlameLayout {
2769 element,
2770 bounds,
2771 buffer_id,
2772 entry,
2773 })
2774 }
2775
2776 fn layout_blame_popover(
2777 &self,
2778 editor_snapshot: &EditorSnapshot,
2779 text_hitbox: &Hitbox,
2780 line_height: Pixels,
2781 window: &mut Window,
2782 cx: &mut App,
2783 ) {
2784 if !self.editor.read(cx).inline_blame_popover.is_some() {
2785 return;
2786 }
2787
2788 let Some(blame) = self.editor.read(cx).blame.clone() else {
2789 return;
2790 };
2791 let cursor_point = self
2792 .editor
2793 .read(cx)
2794 .selections
2795 .newest::<language::Point>(&editor_snapshot.display_snapshot)
2796 .head();
2797
2798 let Some((buffer, buffer_point, _)) = editor_snapshot
2799 .buffer_snapshot()
2800 .point_to_buffer_point(cursor_point)
2801 else {
2802 return;
2803 };
2804
2805 let row_info = RowInfo {
2806 buffer_id: Some(buffer.remote_id()),
2807 buffer_row: Some(buffer_point.row),
2808 ..Default::default()
2809 };
2810
2811 let Some((buffer_id, blame_entry)) = blame
2812 .update(cx, |blame, cx| blame.blame_for_rows(&[row_info], cx).next())
2813 .flatten()
2814 else {
2815 return;
2816 };
2817
2818 let Some((popover_state, target_point)) = self.editor.read_with(cx, |editor, _| {
2819 editor
2820 .inline_blame_popover
2821 .as_ref()
2822 .map(|state| (state.popover_state.clone(), state.position))
2823 }) else {
2824 return;
2825 };
2826
2827 let workspace = self
2828 .editor
2829 .read_with(cx, |editor, _| editor.workspace().map(|w| w.downgrade()));
2830
2831 let maybe_element = workspace.and_then(|workspace| {
2832 render_blame_entry_popover(
2833 blame_entry,
2834 popover_state.scroll_handle,
2835 popover_state.commit_message,
2836 popover_state.markdown,
2837 workspace,
2838 &blame,
2839 buffer_id,
2840 window,
2841 cx,
2842 )
2843 });
2844
2845 if let Some(mut element) = maybe_element {
2846 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2847 let overall_height = size.height + HOVER_POPOVER_GAP;
2848 let popover_origin = if target_point.y > overall_height {
2849 point(target_point.x, target_point.y - size.height)
2850 } else {
2851 point(
2852 target_point.x,
2853 target_point.y + line_height + HOVER_POPOVER_GAP,
2854 )
2855 };
2856
2857 let horizontal_offset = (text_hitbox.top_right().x
2858 - POPOVER_RIGHT_OFFSET
2859 - (popover_origin.x + size.width))
2860 .min(Pixels::ZERO);
2861
2862 let origin = point(popover_origin.x + horizontal_offset, popover_origin.y);
2863 let popover_bounds = Bounds::new(origin, size);
2864
2865 self.editor.update(cx, |editor, _| {
2866 if let Some(state) = &mut editor.inline_blame_popover {
2867 state.popover_bounds = Some(popover_bounds);
2868 }
2869 });
2870
2871 window.defer_draw(element, origin, 2, None);
2872 }
2873 }
2874
2875 fn layout_blame_entries(
2876 &self,
2877 buffer_rows: &[RowInfo],
2878 em_width: Pixels,
2879 scroll_position: gpui::Point<ScrollOffset>,
2880 line_height: Pixels,
2881 gutter_hitbox: &Hitbox,
2882 max_width: Option<Pixels>,
2883 window: &mut Window,
2884 cx: &mut App,
2885 ) -> Option<Vec<AnyElement>> {
2886 if !self
2887 .editor
2888 .update(cx, |editor, cx| editor.render_git_blame_gutter(cx))
2889 {
2890 return None;
2891 }
2892
2893 let blame = self.editor.read(cx).blame.clone()?;
2894 let workspace = self.editor.read(cx).workspace()?;
2895 let blamed_rows: Vec<_> = blame.update(cx, |blame, cx| {
2896 blame.blame_for_rows(buffer_rows, cx).collect()
2897 });
2898
2899 let width = if let Some(max_width) = max_width {
2900 AvailableSpace::Definite(max_width)
2901 } else {
2902 AvailableSpace::MaxContent
2903 };
2904 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
2905 let start_x = em_width;
2906
2907 let mut last_used_color: Option<(Hsla, Oid)> = None;
2908 let blame_renderer = cx.global::<GlobalBlameRenderer>().0.clone();
2909
2910 let shaped_lines = blamed_rows
2911 .into_iter()
2912 .enumerate()
2913 .flat_map(|(ix, blame_entry)| {
2914 let (buffer_id, blame_entry) = blame_entry?;
2915 let mut element = render_blame_entry(
2916 ix,
2917 &blame,
2918 blame_entry,
2919 &self.style,
2920 &mut last_used_color,
2921 self.editor.clone(),
2922 workspace.clone(),
2923 buffer_id,
2924 &*blame_renderer,
2925 window,
2926 cx,
2927 )?;
2928
2929 let start_y = ix as f32 * line_height
2930 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height));
2931 let absolute_offset = gutter_hitbox.origin + point(start_x, start_y);
2932
2933 element.prepaint_as_root(
2934 absolute_offset,
2935 size(width, AvailableSpace::MinContent),
2936 window,
2937 cx,
2938 );
2939
2940 Some(element)
2941 })
2942 .collect();
2943
2944 Some(shaped_lines)
2945 }
2946
2947 fn layout_indent_guides(
2948 &self,
2949 content_origin: gpui::Point<Pixels>,
2950 text_origin: gpui::Point<Pixels>,
2951 visible_buffer_range: Range<MultiBufferRow>,
2952 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2953 line_height: Pixels,
2954 snapshot: &DisplaySnapshot,
2955 window: &mut Window,
2956 cx: &mut App,
2957 ) -> Option<Vec<IndentGuideLayout>> {
2958 let indent_guides = self.editor.update(cx, |editor, cx| {
2959 editor.indent_guides(visible_buffer_range, snapshot, cx)
2960 })?;
2961
2962 let active_indent_guide_indices = self.editor.update(cx, |editor, cx| {
2963 editor
2964 .find_active_indent_guide_indices(&indent_guides, snapshot, window, cx)
2965 .unwrap_or_default()
2966 });
2967
2968 Some(
2969 indent_guides
2970 .into_iter()
2971 .enumerate()
2972 .filter_map(|(i, indent_guide)| {
2973 let single_indent_width =
2974 column_pixels(&self.style, indent_guide.tab_size as usize, window);
2975 let total_width = single_indent_width * indent_guide.depth as f32;
2976 let start_x = Pixels::from(
2977 ScrollOffset::from(content_origin.x + total_width)
2978 - scroll_pixel_position.x,
2979 );
2980 if start_x >= text_origin.x {
2981 let (offset_y, length, display_row_range) =
2982 Self::calculate_indent_guide_bounds(
2983 indent_guide.start_row..indent_guide.end_row,
2984 line_height,
2985 snapshot,
2986 );
2987
2988 let start_y = Pixels::from(
2989 ScrollOffset::from(content_origin.y) + offset_y
2990 - scroll_pixel_position.y,
2991 );
2992
2993 Some(IndentGuideLayout {
2994 origin: point(start_x, start_y),
2995 length,
2996 single_indent_width,
2997 display_row_range,
2998 depth: indent_guide.depth,
2999 active: active_indent_guide_indices.contains(&i),
3000 settings: indent_guide.settings,
3001 })
3002 } else {
3003 None
3004 }
3005 })
3006 .collect(),
3007 )
3008 }
3009
3010 fn depth_zero_indent_guide_padding_for_row(
3011 indent_guides: &[IndentGuideLayout],
3012 row: DisplayRow,
3013 ) -> Pixels {
3014 indent_guides
3015 .iter()
3016 .find(|guide| guide.depth == 0 && guide.display_row_range.contains(&row))
3017 .and_then(|guide| {
3018 guide
3019 .settings
3020 .visible_line_width(guide.active)
3021 .map(|width| px(width as f32 * 2.0))
3022 })
3023 .unwrap_or(px(0.0))
3024 }
3025
3026 fn layout_wrap_guides(
3027 &self,
3028 em_advance: Pixels,
3029 scroll_position: gpui::Point<f64>,
3030 content_origin: gpui::Point<Pixels>,
3031 scrollbar_layout: Option<&EditorScrollbars>,
3032 vertical_scrollbar_width: Pixels,
3033 hitbox: &Hitbox,
3034 window: &Window,
3035 cx: &App,
3036 ) -> SmallVec<[(Pixels, bool); 2]> {
3037 let scroll_left = scroll_position.x as f32 * em_advance;
3038 let content_origin = content_origin.x;
3039 let horizontal_offset = content_origin - scroll_left;
3040 let vertical_scrollbar_width = scrollbar_layout
3041 .and_then(|layout| layout.visible.then_some(vertical_scrollbar_width))
3042 .unwrap_or_default();
3043
3044 self.editor
3045 .read(cx)
3046 .wrap_guides(cx)
3047 .into_iter()
3048 .flat_map(|(guide, active)| {
3049 let wrap_position = column_pixels(&self.style, guide, window);
3050 let wrap_guide_x = wrap_position + horizontal_offset;
3051 let display_wrap_guide = wrap_guide_x >= content_origin
3052 && wrap_guide_x <= hitbox.bounds.right() - vertical_scrollbar_width;
3053
3054 display_wrap_guide.then_some((wrap_guide_x, active))
3055 })
3056 .collect()
3057 }
3058
3059 fn calculate_indent_guide_bounds(
3060 row_range: Range<MultiBufferRow>,
3061 line_height: Pixels,
3062 snapshot: &DisplaySnapshot,
3063 ) -> (f64, gpui::Pixels, Range<DisplayRow>) {
3064 let start_point = Point::new(row_range.start.0, 0);
3065 let end_point = Point::new(row_range.end.0, 0);
3066
3067 let mut row_range = start_point.to_display_point(snapshot).row()
3068 ..end_point.to_display_point(snapshot).row();
3069
3070 let mut prev_line = start_point;
3071 prev_line.row = prev_line.row.saturating_sub(1);
3072 let prev_line = prev_line.to_display_point(snapshot).row();
3073
3074 let mut cons_line = end_point;
3075 cons_line.row += 1;
3076 let cons_line = cons_line.to_display_point(snapshot).row();
3077
3078 let mut offset_y = row_range.start.as_f64() * f64::from(line_height);
3079 let mut length = (cons_line.0.saturating_sub(row_range.start.0)) as f32 * line_height;
3080
3081 // If we are at the end of the buffer, ensure that the indent guide extends to the end of the line.
3082 if row_range.end == cons_line {
3083 length += line_height;
3084 }
3085
3086 // If there is a block (e.g. diagnostic) in between the start of the indent guide and the line above,
3087 // we want to extend the indent guide to the start of the block.
3088 let mut block_height = 0;
3089 let mut block_offset = 0;
3090 let mut found_excerpt_header = false;
3091 for (_, block) in snapshot.blocks_in_range(prev_line..row_range.start) {
3092 if matches!(
3093 block,
3094 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
3095 ) {
3096 found_excerpt_header = true;
3097 break;
3098 }
3099 block_offset += block.height();
3100 block_height += block.height();
3101 }
3102 if !found_excerpt_header {
3103 offset_y -= block_offset as f64 * f64::from(line_height);
3104 length += block_height as f32 * line_height;
3105 row_range = DisplayRow(row_range.start.0.saturating_sub(block_offset))..row_range.end;
3106 }
3107
3108 // If there is a block (e.g. diagnostic) at the end of an multibuffer excerpt,
3109 // we want to ensure that the indent guide stops before the excerpt header.
3110 let mut block_height = 0;
3111 let mut found_excerpt_header = false;
3112 for (_, block) in snapshot.blocks_in_range(row_range.end..cons_line) {
3113 if matches!(
3114 block,
3115 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
3116 ) {
3117 found_excerpt_header = true;
3118 }
3119 block_height += block.height();
3120 }
3121 if found_excerpt_header {
3122 length -= block_height as f32 * line_height;
3123 } else {
3124 row_range = row_range.start..cons_line;
3125 }
3126
3127 (offset_y, length, row_range)
3128 }
3129
3130 fn layout_breakpoints(
3131 &self,
3132 line_height: Pixels,
3133 range: Range<DisplayRow>,
3134 scroll_position: gpui::Point<ScrollOffset>,
3135 gutter_dimensions: &GutterDimensions,
3136 gutter_hitbox: &Hitbox,
3137 snapshot: &EditorSnapshot,
3138 breakpoints: HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
3139 row_infos: &[RowInfo],
3140 window: &mut Window,
3141 cx: &mut App,
3142 ) -> Vec<AnyElement> {
3143 if self.split_side == Some(SplitSide::Left) {
3144 return Vec::new();
3145 }
3146
3147 self.editor.update(cx, |editor, cx| {
3148 breakpoints
3149 .into_iter()
3150 .filter_map(|(display_row, (text_anchor, bp, state))| {
3151 if row_infos
3152 .get((display_row.0.saturating_sub(range.start.0)) as usize)
3153 .is_some_and(|row_info| {
3154 row_info.expand_info.is_some()
3155 || row_info
3156 .diff_status
3157 .is_some_and(|status| status.is_deleted())
3158 })
3159 {
3160 return None;
3161 }
3162
3163 if range.start > display_row || range.end < display_row {
3164 return None;
3165 }
3166
3167 let row =
3168 MultiBufferRow(DisplayPoint::new(display_row, 0).to_point(snapshot).row);
3169 if snapshot.is_line_folded(row) {
3170 return None;
3171 }
3172
3173 let button = editor.render_breakpoint(text_anchor, display_row, &bp, state, cx);
3174
3175 let button = prepaint_gutter_button(
3176 button.into_any_element(),
3177 display_row,
3178 line_height,
3179 gutter_dimensions,
3180 scroll_position,
3181 gutter_hitbox,
3182 window,
3183 cx,
3184 );
3185 Some(button)
3186 })
3187 .collect_vec()
3188 })
3189 }
3190
3191 fn should_render_diff_review_button(
3192 &self,
3193 range: Range<DisplayRow>,
3194 row_infos: &[RowInfo],
3195 snapshot: &EditorSnapshot,
3196 cx: &App,
3197 ) -> Option<(DisplayRow, Option<u32>)> {
3198 if !cx.has_flag::<DiffReviewFeatureFlag>() {
3199 return None;
3200 }
3201
3202 let show_diff_review_button = self.editor.read(cx).show_diff_review_button();
3203 if !show_diff_review_button {
3204 return None;
3205 }
3206
3207 let indicator = self.editor.read(cx).gutter_diff_review_indicator.0?;
3208 if !indicator.is_active {
3209 return None;
3210 }
3211
3212 let display_row = indicator
3213 .start
3214 .to_display_point(&snapshot.display_snapshot)
3215 .row();
3216 let row_index = (display_row.0.saturating_sub(range.start.0)) as usize;
3217
3218 let row_info = row_infos.get(row_index);
3219 if row_info.is_some_and(|row_info| row_info.expand_info.is_some()) {
3220 return None;
3221 }
3222
3223 let buffer_id = row_info.and_then(|info| info.buffer_id);
3224 if buffer_id.is_none() {
3225 return None;
3226 }
3227
3228 let editor = self.editor.read(cx);
3229 if buffer_id.is_some_and(|buffer_id| editor.is_buffer_folded(buffer_id, cx)) {
3230 return None;
3231 }
3232
3233 let buffer_row = row_info.and_then(|info| info.buffer_row);
3234 Some((display_row, buffer_row))
3235 }
3236
3237 #[allow(clippy::too_many_arguments)]
3238 fn layout_run_indicators(
3239 &self,
3240 line_height: Pixels,
3241 range: Range<DisplayRow>,
3242 row_infos: &[RowInfo],
3243 scroll_position: gpui::Point<ScrollOffset>,
3244 gutter_dimensions: &GutterDimensions,
3245 gutter_hitbox: &Hitbox,
3246 snapshot: &EditorSnapshot,
3247 breakpoints: &mut HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
3248 window: &mut Window,
3249 cx: &mut App,
3250 ) -> Vec<AnyElement> {
3251 if self.split_side == Some(SplitSide::Left) {
3252 return Vec::new();
3253 }
3254
3255 self.editor.update(cx, |editor, cx| {
3256 let active_task_indicator_row =
3257 // TODO: add edit button on the right side of each row in the context menu
3258 if let Some(crate::CodeContextMenu::CodeActions(CodeActionsMenu {
3259 deployed_from,
3260 actions,
3261 ..
3262 })) = editor.context_menu.borrow().as_ref()
3263 {
3264 actions
3265 .tasks()
3266 .map(|tasks| tasks.position.to_display_point(snapshot).row())
3267 .or_else(|| match deployed_from {
3268 Some(CodeActionSource::Indicator(row)) => Some(*row),
3269 _ => None,
3270 })
3271 } else {
3272 None
3273 };
3274
3275 let offset_range_start =
3276 snapshot.display_point_to_point(DisplayPoint::new(range.start, 0), Bias::Left);
3277
3278 let offset_range_end =
3279 snapshot.display_point_to_point(DisplayPoint::new(range.end, 0), Bias::Right);
3280
3281 editor
3282 .runnables
3283 .all_runnables()
3284 .filter_map(|tasks| {
3285 let multibuffer_point = tasks.offset.to_point(&snapshot.buffer_snapshot());
3286 if multibuffer_point < offset_range_start
3287 || multibuffer_point > offset_range_end
3288 {
3289 return None;
3290 }
3291 let multibuffer_row = MultiBufferRow(multibuffer_point.row);
3292 let buffer_folded = snapshot
3293 .buffer_snapshot()
3294 .buffer_line_for_row(multibuffer_row)
3295 .map(|(buffer_snapshot, _)| buffer_snapshot.remote_id())
3296 .map(|buffer_id| editor.is_buffer_folded(buffer_id, cx))
3297 .unwrap_or(false);
3298 if buffer_folded {
3299 return None;
3300 }
3301
3302 if snapshot.is_line_folded(multibuffer_row) {
3303 // Skip folded indicators, unless it's the starting line of a fold.
3304 if multibuffer_row
3305 .0
3306 .checked_sub(1)
3307 .is_some_and(|previous_row| {
3308 snapshot.is_line_folded(MultiBufferRow(previous_row))
3309 })
3310 {
3311 return None;
3312 }
3313 }
3314
3315 let display_row = multibuffer_point.to_display_point(snapshot).row();
3316 if !range.contains(&display_row) {
3317 return None;
3318 }
3319 if row_infos
3320 .get((display_row - range.start).0 as usize)
3321 .is_some_and(|row_info| row_info.expand_info.is_some())
3322 {
3323 return None;
3324 }
3325
3326 let removed_breakpoint = breakpoints.remove(&display_row);
3327 let button = editor.render_run_indicator(
3328 &self.style,
3329 Some(display_row) == active_task_indicator_row,
3330 display_row,
3331 removed_breakpoint,
3332 cx,
3333 );
3334
3335 let button = prepaint_gutter_button(
3336 button.into_any_element(),
3337 display_row,
3338 line_height,
3339 gutter_dimensions,
3340 scroll_position,
3341 gutter_hitbox,
3342 window,
3343 cx,
3344 );
3345 Some(button)
3346 })
3347 .collect_vec()
3348 })
3349 }
3350
3351 fn layout_expand_toggles(
3352 &self,
3353 gutter_hitbox: &Hitbox,
3354 gutter_dimensions: GutterDimensions,
3355 em_width: Pixels,
3356 line_height: Pixels,
3357 scroll_position: gpui::Point<ScrollOffset>,
3358 buffer_rows: &[RowInfo],
3359 window: &mut Window,
3360 cx: &mut App,
3361 ) -> Vec<Option<(AnyElement, gpui::Point<Pixels>)>> {
3362 if self.editor.read(cx).disable_expand_excerpt_buttons {
3363 return vec![];
3364 }
3365
3366 let editor_font_size = self.style.text.font_size.to_pixels(window.rem_size()) * 1.2;
3367
3368 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
3369
3370 let max_line_number_length = self
3371 .editor
3372 .read(cx)
3373 .buffer()
3374 .read(cx)
3375 .snapshot(cx)
3376 .widest_line_number()
3377 .ilog10()
3378 + 1;
3379
3380 let git_gutter_width = Self::gutter_strip_width(line_height)
3381 + gutter_dimensions
3382 .git_blame_entries_width
3383 .unwrap_or_default();
3384 let available_width = gutter_dimensions.left_padding - git_gutter_width;
3385
3386 buffer_rows
3387 .iter()
3388 .enumerate()
3389 .map(|(ix, row_info)| {
3390 let ExpandInfo {
3391 excerpt_id,
3392 direction,
3393 } = row_info.expand_info?;
3394
3395 let icon_name = match direction {
3396 ExpandExcerptDirection::Up => IconName::ExpandUp,
3397 ExpandExcerptDirection::Down => IconName::ExpandDown,
3398 ExpandExcerptDirection::UpAndDown => IconName::ExpandVertical,
3399 };
3400
3401 let editor = self.editor.clone();
3402 let is_wide = max_line_number_length
3403 >= EditorSettings::get_global(cx).gutter.min_line_number_digits as u32
3404 && row_info
3405 .buffer_row
3406 .is_some_and(|row| (row + 1).ilog10() + 1 == max_line_number_length)
3407 || gutter_dimensions.right_padding == px(0.);
3408
3409 let width = if is_wide {
3410 available_width - px(5.)
3411 } else {
3412 available_width + em_width - px(5.)
3413 };
3414
3415 let toggle = IconButton::new(("expand", ix), icon_name)
3416 .icon_color(Color::Custom(cx.theme().colors().editor_line_number))
3417 .icon_size(IconSize::Custom(rems(editor_font_size / window.rem_size())))
3418 .width(width)
3419 .on_click(move |_, window, cx| {
3420 editor.update(cx, |editor, cx| {
3421 editor.expand_excerpt(excerpt_id, direction, window, cx);
3422 });
3423 })
3424 .tooltip(Tooltip::for_action_title(
3425 "Expand Excerpt",
3426 &crate::actions::ExpandExcerpts::default(),
3427 ))
3428 .into_any_element();
3429
3430 let position = point(
3431 git_gutter_width + px(1.),
3432 ix as f32 * line_height
3433 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height))
3434 + px(1.),
3435 );
3436 let origin = gutter_hitbox.origin + position;
3437
3438 Some((toggle, origin))
3439 })
3440 .collect()
3441 }
3442
3443 fn layout_line_numbers(
3444 &self,
3445 gutter_hitbox: Option<&Hitbox>,
3446 gutter_dimensions: GutterDimensions,
3447 line_height: Pixels,
3448 scroll_position: gpui::Point<ScrollOffset>,
3449 rows: Range<DisplayRow>,
3450 buffer_rows: &[RowInfo],
3451 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3452 current_selection_head: Option<DisplayRow>,
3453 snapshot: &EditorSnapshot,
3454 window: &mut Window,
3455 cx: &mut App,
3456 ) -> Arc<HashMap<MultiBufferRow, LineNumberLayout>> {
3457 let include_line_numbers = snapshot
3458 .show_line_numbers
3459 .unwrap_or_else(|| EditorSettings::get_global(cx).gutter.line_numbers);
3460 if !include_line_numbers {
3461 return Arc::default();
3462 }
3463
3464 let relative = self.editor.read(cx).relative_line_numbers(cx);
3465
3466 let relative_line_numbers_enabled = relative.enabled();
3467 let relative_rows = if relative_line_numbers_enabled
3468 && let Some(current_selection_head) = current_selection_head
3469 {
3470 snapshot.calculate_relative_line_numbers(
3471 &rows,
3472 current_selection_head,
3473 relative.wrapped(),
3474 )
3475 } else {
3476 Default::default()
3477 };
3478
3479 let mut line_number = String::new();
3480 let segments = buffer_rows.iter().enumerate().flat_map(|(ix, row_info)| {
3481 let display_row = DisplayRow(rows.start.0 + ix as u32);
3482 line_number.clear();
3483 let non_relative_number = if relative.wrapped() {
3484 row_info.buffer_row.or(row_info.wrapped_buffer_row)? + 1
3485 } else {
3486 row_info.buffer_row? + 1
3487 };
3488 let relative_number = relative_rows.get(&display_row);
3489 if !(relative_line_numbers_enabled && relative_number.is_some())
3490 && !snapshot.number_deleted_lines
3491 && row_info
3492 .diff_status
3493 .is_some_and(|status| status.is_deleted())
3494 {
3495 return None;
3496 }
3497
3498 let number = relative_number.unwrap_or(&non_relative_number);
3499 write!(&mut line_number, "{number}").unwrap();
3500
3501 let color = active_rows
3502 .get(&display_row)
3503 .map(|spec| {
3504 if spec.breakpoint {
3505 cx.theme().colors().debugger_accent
3506 } else {
3507 cx.theme().colors().editor_active_line_number
3508 }
3509 })
3510 .unwrap_or_else(|| cx.theme().colors().editor_line_number);
3511 let shaped_line =
3512 self.shape_line_number(SharedString::from(&line_number), color, window);
3513 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
3514 let line_origin = gutter_hitbox.map(|hitbox| {
3515 hitbox.origin
3516 + point(
3517 hitbox.size.width - shaped_line.width - gutter_dimensions.right_padding,
3518 ix as f32 * line_height
3519 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height)),
3520 )
3521 });
3522
3523 #[cfg(not(test))]
3524 let hitbox = line_origin.map(|line_origin| {
3525 window.insert_hitbox(
3526 Bounds::new(line_origin, size(shaped_line.width, line_height)),
3527 HitboxBehavior::Normal,
3528 )
3529 });
3530 #[cfg(test)]
3531 let hitbox = {
3532 let _ = line_origin;
3533 None
3534 };
3535
3536 let segment = LineNumberSegment {
3537 shaped_line,
3538 hitbox,
3539 };
3540
3541 let buffer_row = DisplayPoint::new(display_row, 0).to_point(snapshot).row;
3542 let multi_buffer_row = MultiBufferRow(buffer_row);
3543
3544 Some((multi_buffer_row, segment))
3545 });
3546
3547 let mut line_numbers: HashMap<MultiBufferRow, LineNumberLayout> = HashMap::default();
3548 for (buffer_row, segment) in segments {
3549 line_numbers
3550 .entry(buffer_row)
3551 .or_insert_with(|| LineNumberLayout {
3552 segments: Default::default(),
3553 })
3554 .segments
3555 .push(segment);
3556 }
3557 Arc::new(line_numbers)
3558 }
3559
3560 fn layout_crease_toggles(
3561 &self,
3562 rows: Range<DisplayRow>,
3563 row_infos: &[RowInfo],
3564 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3565 snapshot: &EditorSnapshot,
3566 window: &mut Window,
3567 cx: &mut App,
3568 ) -> Vec<Option<AnyElement>> {
3569 let include_fold_statuses = EditorSettings::get_global(cx).gutter.folds
3570 && snapshot.mode.is_full()
3571 && self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
3572 if include_fold_statuses {
3573 row_infos
3574 .iter()
3575 .enumerate()
3576 .map(|(ix, info)| {
3577 if info.expand_info.is_some() {
3578 return None;
3579 }
3580 let row = info.multibuffer_row?;
3581 let display_row = DisplayRow(rows.start.0 + ix as u32);
3582 let active = active_rows.contains_key(&display_row);
3583
3584 snapshot.render_crease_toggle(row, active, self.editor.clone(), window, cx)
3585 })
3586 .collect()
3587 } else {
3588 Vec::new()
3589 }
3590 }
3591
3592 fn layout_crease_trailers(
3593 &self,
3594 buffer_rows: impl IntoIterator<Item = RowInfo>,
3595 snapshot: &EditorSnapshot,
3596 window: &mut Window,
3597 cx: &mut App,
3598 ) -> Vec<Option<AnyElement>> {
3599 buffer_rows
3600 .into_iter()
3601 .map(|row_info| {
3602 if row_info.expand_info.is_some() {
3603 return None;
3604 }
3605 if let Some(row) = row_info.multibuffer_row {
3606 snapshot.render_crease_trailer(row, window, cx)
3607 } else {
3608 None
3609 }
3610 })
3611 .collect()
3612 }
3613
3614 fn bg_segments_per_row(
3615 rows: Range<DisplayRow>,
3616 selections: &[(PlayerColor, Vec<SelectionLayout>)],
3617 highlight_ranges: &[(Range<DisplayPoint>, Hsla)],
3618 base_background: Hsla,
3619 ) -> Vec<Vec<(Range<DisplayPoint>, Hsla)>> {
3620 if rows.start >= rows.end {
3621 return Vec::new();
3622 }
3623 if !base_background.is_opaque() {
3624 // We don't actually know what color is behind this editor.
3625 return Vec::new();
3626 }
3627 let highlight_iter = highlight_ranges.iter().cloned();
3628 let selection_iter = selections.iter().flat_map(|(player_color, layouts)| {
3629 let color = player_color.selection;
3630 layouts.iter().filter_map(move |selection_layout| {
3631 if selection_layout.range.start != selection_layout.range.end {
3632 Some((selection_layout.range.clone(), color))
3633 } else {
3634 None
3635 }
3636 })
3637 });
3638 let mut per_row_map = vec![Vec::new(); rows.len()];
3639 for (range, color) in highlight_iter.chain(selection_iter) {
3640 let covered_rows = if range.end.column() == 0 {
3641 cmp::max(range.start.row(), rows.start)..cmp::min(range.end.row(), rows.end)
3642 } else {
3643 cmp::max(range.start.row(), rows.start)
3644 ..cmp::min(range.end.row().next_row(), rows.end)
3645 };
3646 for row in covered_rows.iter_rows() {
3647 let seg_start = if row == range.start.row() {
3648 range.start
3649 } else {
3650 DisplayPoint::new(row, 0)
3651 };
3652 let seg_end = if row == range.end.row() && range.end.column() != 0 {
3653 range.end
3654 } else {
3655 DisplayPoint::new(row, u32::MAX)
3656 };
3657 let ix = row.minus(rows.start) as usize;
3658 debug_assert!(row >= rows.start && row < rows.end);
3659 debug_assert!(ix < per_row_map.len());
3660 per_row_map[ix].push((seg_start..seg_end, color));
3661 }
3662 }
3663 for row_segments in per_row_map.iter_mut() {
3664 if row_segments.is_empty() {
3665 continue;
3666 }
3667 let segments = mem::take(row_segments);
3668 let merged = Self::merge_overlapping_ranges(segments, base_background);
3669 *row_segments = merged;
3670 }
3671 per_row_map
3672 }
3673
3674 /// Merge overlapping ranges by splitting at all range boundaries and blending colors where
3675 /// multiple ranges overlap. The result contains non-overlapping ranges ordered from left to right.
3676 ///
3677 /// Expects `start.row() == end.row()` for each range.
3678 fn merge_overlapping_ranges(
3679 ranges: Vec<(Range<DisplayPoint>, Hsla)>,
3680 base_background: Hsla,
3681 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
3682 struct Boundary {
3683 pos: DisplayPoint,
3684 is_start: bool,
3685 index: usize,
3686 color: Hsla,
3687 }
3688
3689 let mut boundaries: SmallVec<[Boundary; 16]> = SmallVec::with_capacity(ranges.len() * 2);
3690 for (index, (range, color)) in ranges.iter().enumerate() {
3691 debug_assert!(
3692 range.start.row() == range.end.row(),
3693 "expects single-row ranges"
3694 );
3695 if range.start < range.end {
3696 boundaries.push(Boundary {
3697 pos: range.start,
3698 is_start: true,
3699 index,
3700 color: *color,
3701 });
3702 boundaries.push(Boundary {
3703 pos: range.end,
3704 is_start: false,
3705 index,
3706 color: *color,
3707 });
3708 }
3709 }
3710
3711 if boundaries.is_empty() {
3712 return Vec::new();
3713 }
3714
3715 boundaries
3716 .sort_unstable_by(|a, b| a.pos.cmp(&b.pos).then_with(|| a.is_start.cmp(&b.is_start)));
3717
3718 let mut processed_ranges: Vec<(Range<DisplayPoint>, Hsla)> = Vec::new();
3719 let mut active_ranges: SmallVec<[(usize, Hsla); 8]> = SmallVec::new();
3720
3721 let mut i = 0;
3722 let mut start_pos = boundaries[0].pos;
3723
3724 let boundaries_len = boundaries.len();
3725 while i < boundaries_len {
3726 let current_boundary_pos = boundaries[i].pos;
3727 if start_pos < current_boundary_pos {
3728 if !active_ranges.is_empty() {
3729 let mut color = base_background;
3730 for &(_, c) in &active_ranges {
3731 color = Hsla::blend(color, c);
3732 }
3733 if let Some((last_range, last_color)) = processed_ranges.last_mut() {
3734 if *last_color == color && last_range.end == start_pos {
3735 last_range.end = current_boundary_pos;
3736 } else {
3737 processed_ranges.push((start_pos..current_boundary_pos, color));
3738 }
3739 } else {
3740 processed_ranges.push((start_pos..current_boundary_pos, color));
3741 }
3742 }
3743 }
3744 while i < boundaries_len && boundaries[i].pos == current_boundary_pos {
3745 let active_range = &boundaries[i];
3746 if active_range.is_start {
3747 let idx = active_range.index;
3748 let pos = active_ranges
3749 .binary_search_by_key(&idx, |(i, _)| *i)
3750 .unwrap_or_else(|p| p);
3751 active_ranges.insert(pos, (idx, active_range.color));
3752 } else {
3753 let idx = active_range.index;
3754 if let Ok(pos) = active_ranges.binary_search_by_key(&idx, |(i, _)| *i) {
3755 active_ranges.remove(pos);
3756 }
3757 }
3758 i += 1;
3759 }
3760 start_pos = current_boundary_pos;
3761 }
3762
3763 processed_ranges
3764 }
3765
3766 fn layout_lines(
3767 rows: Range<DisplayRow>,
3768 snapshot: &EditorSnapshot,
3769 style: &EditorStyle,
3770 editor_width: Pixels,
3771 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3772 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
3773 window: &mut Window,
3774 cx: &mut App,
3775 ) -> Vec<LineWithInvisibles> {
3776 if rows.start >= rows.end {
3777 return Vec::new();
3778 }
3779
3780 // Show the placeholder when the editor is empty
3781 if snapshot.is_empty() {
3782 let font_size = style.text.font_size.to_pixels(window.rem_size());
3783 let placeholder_color = cx.theme().colors().text_placeholder;
3784 let placeholder_text = snapshot.placeholder_text();
3785
3786 let placeholder_lines = placeholder_text
3787 .as_ref()
3788 .map_or(Vec::new(), |text| text.split('\n').collect::<Vec<_>>());
3789
3790 let placeholder_line_count = placeholder_lines.len();
3791
3792 placeholder_lines
3793 .into_iter()
3794 .skip(rows.start.0 as usize)
3795 .chain(iter::repeat(""))
3796 .take(cmp::max(rows.len(), placeholder_line_count))
3797 .map(move |line| {
3798 let run = TextRun {
3799 len: line.len(),
3800 font: style.text.font(),
3801 color: placeholder_color,
3802 ..Default::default()
3803 };
3804 let line = window.text_system().shape_line(
3805 line.to_string().into(),
3806 font_size,
3807 &[run],
3808 None,
3809 );
3810 LineWithInvisibles {
3811 width: line.width,
3812 len: line.len,
3813 fragments: smallvec![LineFragment::Text(line)],
3814 invisibles: Vec::new(),
3815 font_size,
3816 }
3817 })
3818 .collect()
3819 } else {
3820 let use_tree_sitter = !snapshot.semantic_tokens_enabled
3821 || snapshot.use_tree_sitter_for_syntax(rows.start, cx);
3822 let chunks = snapshot.highlighted_chunks(rows.clone(), use_tree_sitter, style);
3823 LineWithInvisibles::from_chunks(
3824 chunks,
3825 style,
3826 MAX_LINE_LEN,
3827 rows.len(),
3828 &snapshot.mode,
3829 editor_width,
3830 is_row_soft_wrapped,
3831 bg_segments_per_row,
3832 window,
3833 cx,
3834 )
3835 }
3836 }
3837
3838 fn prepaint_lines(
3839 &self,
3840 start_row: DisplayRow,
3841 line_layouts: &mut [LineWithInvisibles],
3842 line_height: Pixels,
3843 scroll_position: gpui::Point<ScrollOffset>,
3844 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
3845 content_origin: gpui::Point<Pixels>,
3846 window: &mut Window,
3847 cx: &mut App,
3848 ) -> SmallVec<[AnyElement; 1]> {
3849 let mut line_elements = SmallVec::new();
3850 for (ix, line) in line_layouts.iter_mut().enumerate() {
3851 let row = start_row + DisplayRow(ix as u32);
3852 line.prepaint(
3853 line_height,
3854 scroll_position,
3855 scroll_pixel_position,
3856 row,
3857 content_origin,
3858 &mut line_elements,
3859 window,
3860 cx,
3861 );
3862 }
3863 line_elements
3864 }
3865
3866 fn render_block(
3867 &self,
3868 block: &Block,
3869 available_width: AvailableSpace,
3870 block_id: BlockId,
3871 block_row_start: DisplayRow,
3872 snapshot: &EditorSnapshot,
3873 text_x: Pixels,
3874 rows: &Range<DisplayRow>,
3875 line_layouts: &[LineWithInvisibles],
3876 editor_margins: &EditorMargins,
3877 line_height: Pixels,
3878 em_width: Pixels,
3879 text_hitbox: &Hitbox,
3880 editor_width: Pixels,
3881 scroll_width: &mut Pixels,
3882 resized_blocks: &mut HashMap<CustomBlockId, u32>,
3883 row_block_types: &mut HashMap<DisplayRow, bool>,
3884 selections: &[Selection<Point>],
3885 selected_buffer_ids: &Vec<BufferId>,
3886 latest_selection_anchors: &HashMap<BufferId, Anchor>,
3887 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3888 sticky_header_excerpt_id: Option<ExcerptId>,
3889 indent_guides: &Option<Vec<IndentGuideLayout>>,
3890 block_resize_offset: &mut i32,
3891 window: &mut Window,
3892 cx: &mut App,
3893 ) -> Option<(AnyElement, Size<Pixels>, DisplayRow, Pixels)> {
3894 let mut x_position = None;
3895 let mut element = match block {
3896 Block::Custom(custom) => {
3897 let block_start = custom.start().to_point(&snapshot.buffer_snapshot());
3898 let block_end = custom.end().to_point(&snapshot.buffer_snapshot());
3899 if block.place_near() && snapshot.is_line_folded(MultiBufferRow(block_start.row)) {
3900 return None;
3901 }
3902 let align_to = block_start.to_display_point(snapshot);
3903 let x_and_width = |layout: &LineWithInvisibles| {
3904 Some((
3905 text_x + layout.x_for_index(align_to.column() as usize),
3906 text_x + layout.width,
3907 ))
3908 };
3909 let line_ix = align_to.row().0.checked_sub(rows.start.0);
3910 x_position =
3911 if let Some(layout) = line_ix.and_then(|ix| line_layouts.get(ix as usize)) {
3912 x_and_width(layout)
3913 } else {
3914 x_and_width(&layout_line(
3915 align_to.row(),
3916 snapshot,
3917 &self.style,
3918 editor_width,
3919 is_row_soft_wrapped,
3920 window,
3921 cx,
3922 ))
3923 };
3924
3925 let anchor_x = x_position.unwrap().0;
3926
3927 let selected = selections
3928 .binary_search_by(|selection| {
3929 if selection.end <= block_start {
3930 Ordering::Less
3931 } else if selection.start >= block_end {
3932 Ordering::Greater
3933 } else {
3934 Ordering::Equal
3935 }
3936 })
3937 .is_ok();
3938
3939 div()
3940 .size_full()
3941 .child(
3942 custom.render(&mut BlockContext {
3943 window,
3944 app: cx,
3945 anchor_x,
3946 margins: editor_margins,
3947 line_height,
3948 em_width,
3949 block_id,
3950 height: custom.height.unwrap_or(1),
3951 selected,
3952 max_width: text_hitbox.size.width.max(*scroll_width),
3953 editor_style: &self.style,
3954 indent_guide_padding: indent_guides
3955 .as_ref()
3956 .map(|guides| {
3957 Self::depth_zero_indent_guide_padding_for_row(
3958 guides,
3959 block_row_start,
3960 )
3961 })
3962 .unwrap_or(px(0.0)),
3963 }),
3964 )
3965 .into_any()
3966 }
3967
3968 Block::FoldedBuffer {
3969 first_excerpt,
3970 height,
3971 ..
3972 } => {
3973 let mut result = v_flex().id(block_id).w_full().pr(editor_margins.right);
3974
3975 if self.should_show_buffer_headers() {
3976 let selected = selected_buffer_ids.contains(&first_excerpt.buffer_id);
3977 let jump_data = header_jump_data(
3978 snapshot,
3979 block_row_start,
3980 *height,
3981 first_excerpt,
3982 latest_selection_anchors,
3983 );
3984 result = result.child(self.render_buffer_header(
3985 first_excerpt,
3986 true,
3987 selected,
3988 false,
3989 jump_data,
3990 window,
3991 cx,
3992 ));
3993 } else {
3994 result =
3995 result.child(div().h(FILE_HEADER_HEIGHT as f32 * window.line_height()));
3996 }
3997
3998 result.into_any_element()
3999 }
4000
4001 Block::ExcerptBoundary { .. } => {
4002 let color = cx.theme().colors().clone();
4003 let mut result = v_flex().id(block_id).w_full();
4004
4005 result = result.child(
4006 h_flex().relative().child(
4007 div()
4008 .top(line_height / 2.)
4009 .absolute()
4010 .w_full()
4011 .h_px()
4012 .bg(color.border_variant),
4013 ),
4014 );
4015
4016 result.into_any()
4017 }
4018
4019 Block::BufferHeader { excerpt, height } => {
4020 let mut result = v_flex().id(block_id).w_full();
4021
4022 if self.should_show_buffer_headers() {
4023 let jump_data = header_jump_data(
4024 snapshot,
4025 block_row_start,
4026 *height,
4027 excerpt,
4028 latest_selection_anchors,
4029 );
4030
4031 if sticky_header_excerpt_id != Some(excerpt.id) {
4032 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
4033
4034 result = result.child(div().pr(editor_margins.right).child(
4035 self.render_buffer_header(
4036 excerpt, false, selected, false, jump_data, window, cx,
4037 ),
4038 ));
4039 } else {
4040 result =
4041 result.child(div().h(FILE_HEADER_HEIGHT as f32 * window.line_height()));
4042 }
4043 } else {
4044 result =
4045 result.child(div().h(FILE_HEADER_HEIGHT as f32 * window.line_height()));
4046 }
4047
4048 result.into_any()
4049 }
4050
4051 Block::Spacer { height, .. } => {
4052 let indent_guide_padding = indent_guides
4053 .as_ref()
4054 .map(|guides| {
4055 Self::depth_zero_indent_guide_padding_for_row(guides, block_row_start)
4056 })
4057 .unwrap_or(px(0.0));
4058 Self::render_spacer_block(
4059 block_id,
4060 *height,
4061 line_height,
4062 indent_guide_padding,
4063 window,
4064 cx,
4065 )
4066 }
4067 };
4068
4069 // Discover the element's content height, then round up to the nearest multiple of line height.
4070 let preliminary_size = element.layout_as_root(
4071 size(available_width, AvailableSpace::MinContent),
4072 window,
4073 cx,
4074 );
4075 let quantized_height = (preliminary_size.height / line_height).ceil() * line_height;
4076 let final_size = if preliminary_size.height == quantized_height {
4077 preliminary_size
4078 } else {
4079 element.layout_as_root(size(available_width, quantized_height.into()), window, cx)
4080 };
4081 let mut element_height_in_lines = ((final_size.height / line_height).ceil() as u32).max(1);
4082
4083 let effective_row_start = block_row_start.0 as i32 + *block_resize_offset;
4084 debug_assert!(effective_row_start >= 0);
4085 let mut row = DisplayRow(effective_row_start.max(0) as u32);
4086
4087 let mut x_offset = px(0.);
4088 let mut is_block = true;
4089
4090 if let BlockId::Custom(custom_block_id) = block_id
4091 && block.has_height()
4092 {
4093 if block.place_near()
4094 && let Some((x_target, line_width)) = x_position
4095 {
4096 let margin = em_width * 2;
4097 if line_width + final_size.width + margin
4098 < editor_width + editor_margins.gutter.full_width()
4099 && !row_block_types.contains_key(&(row - 1))
4100 && element_height_in_lines == 1
4101 {
4102 x_offset = line_width + margin;
4103 row = row - 1;
4104 is_block = false;
4105 element_height_in_lines = 0;
4106 row_block_types.insert(row, is_block);
4107 } else {
4108 let max_offset =
4109 editor_width + editor_margins.gutter.full_width() - final_size.width;
4110 let min_offset = (x_target + em_width - final_size.width)
4111 .max(editor_margins.gutter.full_width());
4112 x_offset = x_target.min(max_offset).max(min_offset);
4113 }
4114 };
4115 if element_height_in_lines != block.height() {
4116 *block_resize_offset += element_height_in_lines as i32 - block.height() as i32;
4117 resized_blocks.insert(custom_block_id, element_height_in_lines);
4118 }
4119 }
4120 for i in 0..element_height_in_lines {
4121 row_block_types.insert(row + i, is_block);
4122 }
4123
4124 Some((element, final_size, row, x_offset))
4125 }
4126
4127 /// The spacer pattern period must be an even factor of the line height, so
4128 /// that two consecutive spacer blocks can render contiguously without an
4129 /// obvious break in the pattern.
4130 ///
4131 /// Two consecutive spacers can appear when the other side has a diff hunk
4132 /// and a custom block next to each other (e.g. merge conflict buttons).
4133 fn spacer_pattern_period(line_height: f32, target_height: f32) -> f32 {
4134 let k_approx = line_height / (2.0 * target_height);
4135 let k_floor = (k_approx.floor() as u32).max(1);
4136 let k_ceil = (k_approx.ceil() as u32).max(1);
4137
4138 let size_floor = line_height / (2 * k_floor) as f32;
4139 let size_ceil = line_height / (2 * k_ceil) as f32;
4140
4141 if (size_floor - target_height).abs() <= (size_ceil - target_height).abs() {
4142 size_floor
4143 } else {
4144 size_ceil
4145 }
4146 }
4147
4148 pub fn render_spacer_block(
4149 block_id: BlockId,
4150 block_height: u32,
4151 line_height: Pixels,
4152 indent_guide_padding: Pixels,
4153 window: &mut Window,
4154 cx: &App,
4155 ) -> AnyElement {
4156 let target_size = 16.0;
4157 let scale = window.scale_factor();
4158 let pattern_size =
4159 Self::spacer_pattern_period(f32::from(line_height) * scale, target_size * scale);
4160 let color = cx.theme().colors().panel_background;
4161 let background = pattern_slash(color, 2.0, pattern_size - 2.0);
4162
4163 div()
4164 .id(block_id)
4165 .cursor(CursorStyle::Arrow)
4166 .w_full()
4167 .h((block_height as f32) * line_height)
4168 .flex()
4169 .flex_row()
4170 .child(div().flex_shrink_0().w(indent_guide_padding).h_full())
4171 .child(
4172 div()
4173 .flex_1()
4174 .h_full()
4175 .relative()
4176 .overflow_x_hidden()
4177 .child(
4178 div()
4179 .absolute()
4180 .top_0()
4181 .bottom_0()
4182 .right_0()
4183 .left(-indent_guide_padding)
4184 .bg(background),
4185 ),
4186 )
4187 .into_any()
4188 }
4189
4190 fn render_buffer_header(
4191 &self,
4192 for_excerpt: &ExcerptInfo,
4193 is_folded: bool,
4194 is_selected: bool,
4195 is_sticky: bool,
4196 jump_data: JumpData,
4197 window: &mut Window,
4198 cx: &mut App,
4199 ) -> impl IntoElement {
4200 render_buffer_header(
4201 &self.editor,
4202 for_excerpt,
4203 is_folded,
4204 is_selected,
4205 is_sticky,
4206 jump_data,
4207 window,
4208 cx,
4209 )
4210 }
4211
4212 fn render_blocks(
4213 &self,
4214 rows: Range<DisplayRow>,
4215 snapshot: &EditorSnapshot,
4216 hitbox: &Hitbox,
4217 text_hitbox: &Hitbox,
4218 editor_width: Pixels,
4219 scroll_width: &mut Pixels,
4220 editor_margins: &EditorMargins,
4221 em_width: Pixels,
4222 text_x: Pixels,
4223 line_height: Pixels,
4224 line_layouts: &mut [LineWithInvisibles],
4225 selections: &[Selection<Point>],
4226 selected_buffer_ids: &Vec<BufferId>,
4227 latest_selection_anchors: &HashMap<BufferId, Anchor>,
4228 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
4229 sticky_header_excerpt_id: Option<ExcerptId>,
4230 indent_guides: &Option<Vec<IndentGuideLayout>>,
4231 window: &mut Window,
4232 cx: &mut App,
4233 ) -> RenderBlocksOutput {
4234 let (fixed_blocks, non_fixed_blocks) = snapshot
4235 .blocks_in_range(rows.clone())
4236 .partition::<Vec<_>, _>(|(_, block)| block.style() == BlockStyle::Fixed);
4237
4238 let mut focused_block = self
4239 .editor
4240 .update(cx, |editor, _| editor.take_focused_block());
4241 let mut fixed_block_max_width = Pixels::ZERO;
4242 let mut blocks = Vec::new();
4243 let mut spacer_blocks = Vec::new();
4244 let mut resized_blocks = HashMap::default();
4245 let mut row_block_types = HashMap::default();
4246 let mut block_resize_offset: i32 = 0;
4247
4248 for (row, block) in fixed_blocks {
4249 let block_id = block.id();
4250
4251 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4252 focused_block = None;
4253 }
4254
4255 if let Some((element, element_size, row, x_offset)) = self.render_block(
4256 block,
4257 AvailableSpace::MinContent,
4258 block_id,
4259 row,
4260 snapshot,
4261 text_x,
4262 &rows,
4263 line_layouts,
4264 editor_margins,
4265 line_height,
4266 em_width,
4267 text_hitbox,
4268 editor_width,
4269 scroll_width,
4270 &mut resized_blocks,
4271 &mut row_block_types,
4272 selections,
4273 selected_buffer_ids,
4274 latest_selection_anchors,
4275 is_row_soft_wrapped,
4276 sticky_header_excerpt_id,
4277 indent_guides,
4278 &mut block_resize_offset,
4279 window,
4280 cx,
4281 ) {
4282 fixed_block_max_width = fixed_block_max_width.max(element_size.width + em_width);
4283 blocks.push(BlockLayout {
4284 id: block_id,
4285 x_offset,
4286 row: Some(row),
4287 element,
4288 available_space: size(AvailableSpace::MinContent, element_size.height.into()),
4289 style: BlockStyle::Fixed,
4290 overlaps_gutter: true,
4291 is_buffer_header: block.is_buffer_header(),
4292 });
4293 }
4294 }
4295
4296 for (row, block) in non_fixed_blocks {
4297 let style = block.style();
4298 let width = match (style, block.place_near()) {
4299 (_, true) => AvailableSpace::MinContent,
4300 (BlockStyle::Sticky, _) => hitbox.size.width.into(),
4301 (BlockStyle::Flex, _) => hitbox
4302 .size
4303 .width
4304 .max(fixed_block_max_width)
4305 .max(
4306 editor_margins.gutter.width + *scroll_width + editor_margins.extended_right,
4307 )
4308 .into(),
4309 (BlockStyle::Spacer, _) => hitbox
4310 .size
4311 .width
4312 .max(fixed_block_max_width)
4313 .max(*scroll_width + editor_margins.extended_right)
4314 .into(),
4315 (BlockStyle::Fixed, _) => unreachable!(),
4316 };
4317 let block_id = block.id();
4318
4319 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4320 focused_block = None;
4321 }
4322
4323 if let Some((element, element_size, row, x_offset)) = self.render_block(
4324 block,
4325 width,
4326 block_id,
4327 row,
4328 snapshot,
4329 text_x,
4330 &rows,
4331 line_layouts,
4332 editor_margins,
4333 line_height,
4334 em_width,
4335 text_hitbox,
4336 editor_width,
4337 scroll_width,
4338 &mut resized_blocks,
4339 &mut row_block_types,
4340 selections,
4341 selected_buffer_ids,
4342 latest_selection_anchors,
4343 is_row_soft_wrapped,
4344 sticky_header_excerpt_id,
4345 indent_guides,
4346 &mut block_resize_offset,
4347 window,
4348 cx,
4349 ) {
4350 let layout = BlockLayout {
4351 id: block_id,
4352 x_offset,
4353 row: Some(row),
4354 element,
4355 available_space: size(width, element_size.height.into()),
4356 style,
4357 overlaps_gutter: !block.place_near() && style != BlockStyle::Spacer,
4358 is_buffer_header: block.is_buffer_header(),
4359 };
4360 if style == BlockStyle::Spacer {
4361 spacer_blocks.push(layout);
4362 } else {
4363 blocks.push(layout);
4364 }
4365 }
4366 }
4367
4368 if let Some(focused_block) = focused_block
4369 && let Some(focus_handle) = focused_block.focus_handle.upgrade()
4370 && focus_handle.is_focused(window)
4371 && let Some(block) = snapshot.block_for_id(focused_block.id)
4372 {
4373 let style = block.style();
4374 let width = match style {
4375 BlockStyle::Fixed => AvailableSpace::MinContent,
4376 BlockStyle::Flex => {
4377 AvailableSpace::Definite(hitbox.size.width.max(fixed_block_max_width).max(
4378 editor_margins.gutter.width + *scroll_width + editor_margins.extended_right,
4379 ))
4380 }
4381 BlockStyle::Spacer => AvailableSpace::Definite(
4382 hitbox
4383 .size
4384 .width
4385 .max(fixed_block_max_width)
4386 .max(*scroll_width + editor_margins.extended_right),
4387 ),
4388 BlockStyle::Sticky => AvailableSpace::Definite(hitbox.size.width),
4389 };
4390
4391 if let Some((element, element_size, _, x_offset)) = self.render_block(
4392 &block,
4393 width,
4394 focused_block.id,
4395 rows.end,
4396 snapshot,
4397 text_x,
4398 &rows,
4399 line_layouts,
4400 editor_margins,
4401 line_height,
4402 em_width,
4403 text_hitbox,
4404 editor_width,
4405 scroll_width,
4406 &mut resized_blocks,
4407 &mut row_block_types,
4408 selections,
4409 selected_buffer_ids,
4410 latest_selection_anchors,
4411 is_row_soft_wrapped,
4412 sticky_header_excerpt_id,
4413 indent_guides,
4414 &mut block_resize_offset,
4415 window,
4416 cx,
4417 ) {
4418 blocks.push(BlockLayout {
4419 id: block.id(),
4420 x_offset,
4421 row: None,
4422 element,
4423 available_space: size(width, element_size.height.into()),
4424 style,
4425 overlaps_gutter: true,
4426 is_buffer_header: block.is_buffer_header(),
4427 });
4428 }
4429 }
4430
4431 if resized_blocks.is_empty() {
4432 *scroll_width =
4433 (*scroll_width).max(fixed_block_max_width - editor_margins.gutter.width);
4434 }
4435
4436 RenderBlocksOutput {
4437 non_spacer_blocks: blocks,
4438 spacer_blocks,
4439 row_block_types,
4440 resized_blocks: (!resized_blocks.is_empty()).then_some(resized_blocks),
4441 }
4442 }
4443
4444 fn layout_blocks(
4445 &self,
4446 blocks: &mut Vec<BlockLayout>,
4447 hitbox: &Hitbox,
4448 gutter_hitbox: &Hitbox,
4449 line_height: Pixels,
4450 scroll_position: gpui::Point<ScrollOffset>,
4451 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4452 editor_margins: &EditorMargins,
4453 window: &mut Window,
4454 cx: &mut App,
4455 ) {
4456 for block in blocks {
4457 let mut origin = if let Some(row) = block.row {
4458 hitbox.origin
4459 + point(
4460 block.x_offset,
4461 Pixels::from(
4462 (row.as_f64() - scroll_position.y)
4463 * ScrollPixelOffset::from(line_height),
4464 ),
4465 )
4466 } else {
4467 // Position the block outside the visible area
4468 hitbox.origin + point(Pixels::ZERO, hitbox.size.height)
4469 };
4470
4471 if block.style == BlockStyle::Spacer {
4472 origin += point(
4473 gutter_hitbox.size.width + editor_margins.gutter.margin,
4474 Pixels::ZERO,
4475 );
4476 }
4477
4478 if !matches!(block.style, BlockStyle::Sticky) {
4479 origin += point(Pixels::from(-scroll_pixel_position.x), Pixels::ZERO);
4480 }
4481
4482 let focus_handle =
4483 block
4484 .element
4485 .prepaint_as_root(origin, block.available_space, window, cx);
4486
4487 if let Some(focus_handle) = focus_handle {
4488 self.editor.update(cx, |editor, _cx| {
4489 editor.set_focused_block(FocusedBlock {
4490 id: block.id,
4491 focus_handle: focus_handle.downgrade(),
4492 });
4493 });
4494 }
4495 }
4496 }
4497
4498 fn layout_sticky_buffer_header(
4499 &self,
4500 StickyHeaderExcerpt { excerpt }: StickyHeaderExcerpt<'_>,
4501 scroll_position: gpui::Point<ScrollOffset>,
4502 line_height: Pixels,
4503 right_margin: Pixels,
4504 snapshot: &EditorSnapshot,
4505 hitbox: &Hitbox,
4506 selected_buffer_ids: &Vec<BufferId>,
4507 blocks: &[BlockLayout],
4508 latest_selection_anchors: &HashMap<BufferId, Anchor>,
4509 window: &mut Window,
4510 cx: &mut App,
4511 ) -> AnyElement {
4512 let jump_data = header_jump_data(
4513 snapshot,
4514 DisplayRow(scroll_position.y as u32),
4515 FILE_HEADER_HEIGHT + MULTI_BUFFER_EXCERPT_HEADER_HEIGHT,
4516 excerpt,
4517 latest_selection_anchors,
4518 );
4519
4520 let editor_bg_color = cx.theme().colors().editor_background;
4521
4522 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
4523
4524 let available_width = hitbox.bounds.size.width - right_margin;
4525
4526 let mut header = v_flex()
4527 .w_full()
4528 .relative()
4529 .child(
4530 div()
4531 .w(available_width)
4532 .h(FILE_HEADER_HEIGHT as f32 * line_height)
4533 .bg(linear_gradient(
4534 0.,
4535 linear_color_stop(editor_bg_color.opacity(0.), 0.),
4536 linear_color_stop(editor_bg_color, 0.6),
4537 ))
4538 .absolute()
4539 .top_0(),
4540 )
4541 .child(
4542 self.render_buffer_header(excerpt, false, selected, true, jump_data, window, cx)
4543 .into_any_element(),
4544 )
4545 .into_any_element();
4546
4547 let mut origin = hitbox.origin;
4548 // Move floating header up to avoid colliding with the next buffer header.
4549 for block in blocks.iter() {
4550 if !block.is_buffer_header {
4551 continue;
4552 }
4553
4554 let Some(display_row) = block.row.filter(|row| row.0 > scroll_position.y as u32) else {
4555 continue;
4556 };
4557
4558 let max_row = display_row.0.saturating_sub(FILE_HEADER_HEIGHT);
4559 let offset = scroll_position.y - max_row as f64;
4560
4561 if offset > 0.0 {
4562 origin.y -= Pixels::from(offset * ScrollPixelOffset::from(line_height));
4563 }
4564 break;
4565 }
4566
4567 let size = size(
4568 AvailableSpace::Definite(available_width),
4569 AvailableSpace::MinContent,
4570 );
4571
4572 header.prepaint_as_root(origin, size, window, cx);
4573
4574 header
4575 }
4576
4577 fn layout_sticky_headers(
4578 &self,
4579 snapshot: &EditorSnapshot,
4580 editor_width: Pixels,
4581 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
4582 line_height: Pixels,
4583 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4584 content_origin: gpui::Point<Pixels>,
4585 gutter_dimensions: &GutterDimensions,
4586 gutter_hitbox: &Hitbox,
4587 text_hitbox: &Hitbox,
4588 relative_line_numbers: RelativeLineNumbers,
4589 relative_to: Option<DisplayRow>,
4590 window: &mut Window,
4591 cx: &mut App,
4592 ) -> Option<StickyHeaders> {
4593 let show_line_numbers = snapshot
4594 .show_line_numbers
4595 .unwrap_or_else(|| EditorSettings::get_global(cx).gutter.line_numbers);
4596
4597 let rows = Self::sticky_headers(self.editor.read(cx), snapshot);
4598
4599 let mut lines = Vec::<StickyHeaderLine>::new();
4600
4601 for StickyHeader {
4602 item,
4603 sticky_row,
4604 start_point,
4605 offset,
4606 } in rows.into_iter().rev()
4607 {
4608 let line = layout_line(
4609 sticky_row,
4610 snapshot,
4611 &self.style,
4612 editor_width,
4613 is_row_soft_wrapped,
4614 window,
4615 cx,
4616 );
4617
4618 let line_number = show_line_numbers.then(|| {
4619 let start_display_row = start_point.to_display_point(snapshot).row();
4620 let relative_number = relative_to
4621 .filter(|_| relative_line_numbers != RelativeLineNumbers::Disabled)
4622 .map(|base| {
4623 snapshot.relative_line_delta(
4624 base,
4625 start_display_row,
4626 relative_line_numbers == RelativeLineNumbers::Wrapped,
4627 )
4628 });
4629 let number = relative_number
4630 .filter(|&delta| delta != 0)
4631 .map(|delta| delta.unsigned_abs() as u32)
4632 .unwrap_or(start_point.row + 1);
4633 let color = cx.theme().colors().editor_line_number;
4634 self.shape_line_number(SharedString::from(number.to_string()), color, window)
4635 });
4636
4637 lines.push(StickyHeaderLine::new(
4638 sticky_row,
4639 line_height * offset as f32,
4640 line,
4641 line_number,
4642 item.range.start,
4643 line_height,
4644 scroll_pixel_position,
4645 content_origin,
4646 gutter_hitbox,
4647 text_hitbox,
4648 window,
4649 cx,
4650 ));
4651 }
4652
4653 lines.reverse();
4654 if lines.is_empty() {
4655 return None;
4656 }
4657
4658 Some(StickyHeaders {
4659 lines,
4660 gutter_background: cx.theme().colors().editor_gutter_background,
4661 content_background: self.style.background,
4662 gutter_right_padding: gutter_dimensions.right_padding,
4663 })
4664 }
4665
4666 pub(crate) fn sticky_headers(editor: &Editor, snapshot: &EditorSnapshot) -> Vec<StickyHeader> {
4667 let scroll_top = snapshot.scroll_position().y;
4668
4669 let mut end_rows = Vec::<DisplayRow>::new();
4670 let mut rows = Vec::<StickyHeader>::new();
4671
4672 for item in editor.sticky_headers.iter().flatten() {
4673 let start_point = item.range.start.to_point(snapshot.buffer_snapshot());
4674 let end_point = item.range.end.to_point(snapshot.buffer_snapshot());
4675
4676 let sticky_row = snapshot
4677 .display_snapshot
4678 .point_to_display_point(start_point, Bias::Left)
4679 .row();
4680 let end_row = snapshot
4681 .display_snapshot
4682 .point_to_display_point(end_point, Bias::Left)
4683 .row();
4684 let max_sticky_row = end_row.previous_row();
4685 if max_sticky_row <= sticky_row {
4686 continue;
4687 }
4688
4689 while end_rows
4690 .last()
4691 .is_some_and(|&last_end| last_end <= sticky_row)
4692 {
4693 end_rows.pop();
4694 }
4695 let depth = end_rows.len();
4696 let adjusted_scroll_top = scroll_top + depth as f64;
4697
4698 if sticky_row.as_f64() >= adjusted_scroll_top || end_row.as_f64() <= adjusted_scroll_top
4699 {
4700 continue;
4701 }
4702
4703 let max_scroll_offset = max_sticky_row.as_f64() - scroll_top;
4704 let offset = (depth as f64).min(max_scroll_offset);
4705
4706 end_rows.push(end_row);
4707 rows.push(StickyHeader {
4708 item: item.clone(),
4709 sticky_row,
4710 start_point,
4711 offset,
4712 });
4713 }
4714
4715 rows
4716 }
4717
4718 fn layout_cursor_popovers(
4719 &self,
4720 line_height: Pixels,
4721 text_hitbox: &Hitbox,
4722 content_origin: gpui::Point<Pixels>,
4723 right_margin: Pixels,
4724 start_row: DisplayRow,
4725 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4726 line_layouts: &[LineWithInvisibles],
4727 cursor: DisplayPoint,
4728 cursor_point: Point,
4729 style: &EditorStyle,
4730 window: &mut Window,
4731 cx: &mut App,
4732 ) -> Option<ContextMenuLayout> {
4733 let mut min_menu_height = Pixels::ZERO;
4734 let mut max_menu_height = Pixels::ZERO;
4735 let mut height_above_menu = Pixels::ZERO;
4736 let height_below_menu = Pixels::ZERO;
4737 let mut edit_prediction_popover_visible = false;
4738 let mut context_menu_visible = false;
4739 let context_menu_placement;
4740
4741 {
4742 let editor = self.editor.read(cx);
4743 if editor.edit_prediction_visible_in_cursor_popover(editor.has_active_edit_prediction())
4744 {
4745 height_above_menu +=
4746 editor.edit_prediction_cursor_popover_height() + POPOVER_Y_PADDING;
4747 edit_prediction_popover_visible = true;
4748 }
4749
4750 if editor.context_menu_visible()
4751 && let Some(crate::ContextMenuOrigin::Cursor) = editor.context_menu_origin()
4752 {
4753 let (min_height_in_lines, max_height_in_lines) = editor
4754 .context_menu_options
4755 .as_ref()
4756 .map_or((3, 12), |options| {
4757 (options.min_entries_visible, options.max_entries_visible)
4758 });
4759
4760 min_menu_height += line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4761 max_menu_height += line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4762 context_menu_visible = true;
4763 }
4764 context_menu_placement = editor
4765 .context_menu_options
4766 .as_ref()
4767 .and_then(|options| options.placement.clone());
4768 }
4769
4770 let visible = edit_prediction_popover_visible || context_menu_visible;
4771 if !visible {
4772 return None;
4773 }
4774
4775 let cursor_row_layout = &line_layouts[cursor.row().minus(start_row) as usize];
4776 let target_position = content_origin
4777 + gpui::Point {
4778 x: cmp::max(
4779 px(0.),
4780 Pixels::from(
4781 ScrollPixelOffset::from(
4782 cursor_row_layout.x_for_index(cursor.column() as usize),
4783 ) - scroll_pixel_position.x,
4784 ),
4785 ),
4786 y: cmp::max(
4787 px(0.),
4788 Pixels::from(
4789 cursor.row().next_row().as_f64() * ScrollPixelOffset::from(line_height)
4790 - scroll_pixel_position.y,
4791 ),
4792 ),
4793 };
4794
4795 let viewport_bounds =
4796 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4797 right: -right_margin - MENU_GAP,
4798 ..Default::default()
4799 });
4800
4801 let min_height = height_above_menu + min_menu_height + height_below_menu;
4802 let max_height = height_above_menu + max_menu_height + height_below_menu;
4803 let (laid_out_popovers, y_flipped) = self.layout_popovers_above_or_below_line(
4804 target_position,
4805 line_height,
4806 min_height,
4807 max_height,
4808 context_menu_placement,
4809 text_hitbox,
4810 viewport_bounds,
4811 window,
4812 cx,
4813 |height, max_width_for_stable_x, y_flipped, window, cx| {
4814 // First layout the menu to get its size - others can be at least this wide.
4815 let context_menu = if context_menu_visible {
4816 let menu_height = if y_flipped {
4817 height - height_below_menu
4818 } else {
4819 height - height_above_menu
4820 };
4821 let mut element = self
4822 .render_context_menu(line_height, menu_height, window, cx)
4823 .expect("Visible context menu should always render.");
4824 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4825 Some((CursorPopoverType::CodeContextMenu, element, size))
4826 } else {
4827 None
4828 };
4829 let min_width = context_menu
4830 .as_ref()
4831 .map_or(px(0.), |(_, _, size)| size.width);
4832 let max_width = max_width_for_stable_x.max(
4833 context_menu
4834 .as_ref()
4835 .map_or(px(0.), |(_, _, size)| size.width),
4836 );
4837
4838 let edit_prediction = if edit_prediction_popover_visible {
4839 self.editor.update(cx, move |editor, cx| {
4840 let accept_binding = editor.accept_edit_prediction_keybind(
4841 EditPredictionGranularity::Full,
4842 window,
4843 cx,
4844 );
4845 let mut element = editor.render_edit_prediction_cursor_popover(
4846 min_width,
4847 max_width,
4848 cursor_point,
4849 style,
4850 accept_binding.keystroke(),
4851 window,
4852 cx,
4853 )?;
4854 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4855 Some((CursorPopoverType::EditPrediction, element, size))
4856 })
4857 } else {
4858 None
4859 };
4860 vec![edit_prediction, context_menu]
4861 .into_iter()
4862 .flatten()
4863 .collect::<Vec<_>>()
4864 },
4865 )?;
4866
4867 let (menu_ix, (_, menu_bounds)) = laid_out_popovers
4868 .iter()
4869 .find_position(|(x, _)| matches!(x, CursorPopoverType::CodeContextMenu))?;
4870 let last_ix = laid_out_popovers.len() - 1;
4871 let menu_is_last = menu_ix == last_ix;
4872 let first_popover_bounds = laid_out_popovers[0].1;
4873 let last_popover_bounds = laid_out_popovers[last_ix].1;
4874
4875 // Bounds to layout the aside around. When y_flipped, the aside goes either above or to the
4876 // right, and otherwise it goes below or to the right.
4877 let mut target_bounds = Bounds::from_corners(
4878 first_popover_bounds.origin,
4879 last_popover_bounds.bottom_right(),
4880 );
4881 target_bounds.size.width = menu_bounds.size.width;
4882
4883 // Like `target_bounds`, but with the max height it could occupy. Choosing an aside position
4884 // based on this is preferred for layout stability.
4885 let mut max_target_bounds = target_bounds;
4886 max_target_bounds.size.height = max_height;
4887 if y_flipped {
4888 max_target_bounds.origin.y -= max_height - target_bounds.size.height;
4889 }
4890
4891 // Add spacing around `target_bounds` and `max_target_bounds`.
4892 let mut extend_amount = Edges::all(MENU_GAP);
4893 if y_flipped {
4894 extend_amount.bottom = line_height;
4895 } else {
4896 extend_amount.top = line_height;
4897 }
4898 let target_bounds = target_bounds.extend(extend_amount);
4899 let max_target_bounds = max_target_bounds.extend(extend_amount);
4900
4901 let must_place_above_or_below =
4902 if y_flipped && !menu_is_last && menu_bounds.size.height < max_menu_height {
4903 laid_out_popovers[menu_ix + 1..]
4904 .iter()
4905 .any(|(_, popover_bounds)| popover_bounds.size.width > menu_bounds.size.width)
4906 } else {
4907 false
4908 };
4909
4910 let aside_bounds = self.layout_context_menu_aside(
4911 y_flipped,
4912 *menu_bounds,
4913 target_bounds,
4914 max_target_bounds,
4915 max_menu_height,
4916 must_place_above_or_below,
4917 text_hitbox,
4918 viewport_bounds,
4919 window,
4920 cx,
4921 );
4922
4923 if let Some(menu_bounds) = laid_out_popovers.iter().find_map(|(popover_type, bounds)| {
4924 if matches!(popover_type, CursorPopoverType::CodeContextMenu) {
4925 Some(*bounds)
4926 } else {
4927 None
4928 }
4929 }) {
4930 let bounds = if let Some(aside_bounds) = aside_bounds {
4931 menu_bounds.union(&aside_bounds)
4932 } else {
4933 menu_bounds
4934 };
4935 return Some(ContextMenuLayout { y_flipped, bounds });
4936 }
4937
4938 None
4939 }
4940
4941 fn layout_gutter_menu(
4942 &self,
4943 line_height: Pixels,
4944 text_hitbox: &Hitbox,
4945 content_origin: gpui::Point<Pixels>,
4946 right_margin: Pixels,
4947 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4948 gutter_overshoot: Pixels,
4949 window: &mut Window,
4950 cx: &mut App,
4951 ) {
4952 let editor = self.editor.read(cx);
4953 if !editor.context_menu_visible() {
4954 return;
4955 }
4956 let Some(crate::ContextMenuOrigin::GutterIndicator(gutter_row)) =
4957 editor.context_menu_origin()
4958 else {
4959 return;
4960 };
4961 // Context menu was spawned via a click on a gutter. Ensure it's a bit closer to the
4962 // indicator than just a plain first column of the text field.
4963 let target_position = content_origin
4964 + gpui::Point {
4965 x: -gutter_overshoot,
4966 y: Pixels::from(
4967 gutter_row.next_row().as_f64() * ScrollPixelOffset::from(line_height)
4968 - scroll_pixel_position.y,
4969 ),
4970 };
4971
4972 let (min_height_in_lines, max_height_in_lines) = editor
4973 .context_menu_options
4974 .as_ref()
4975 .map_or((3, 12), |options| {
4976 (options.min_entries_visible, options.max_entries_visible)
4977 });
4978
4979 let min_height = line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4980 let max_height = line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4981 let viewport_bounds =
4982 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4983 right: -right_margin - MENU_GAP,
4984 ..Default::default()
4985 });
4986 self.layout_popovers_above_or_below_line(
4987 target_position,
4988 line_height,
4989 min_height,
4990 max_height,
4991 editor
4992 .context_menu_options
4993 .as_ref()
4994 .and_then(|options| options.placement.clone()),
4995 text_hitbox,
4996 viewport_bounds,
4997 window,
4998 cx,
4999 move |height, _max_width_for_stable_x, _, window, cx| {
5000 let mut element = self
5001 .render_context_menu(line_height, height, window, cx)
5002 .expect("Visible context menu should always render.");
5003 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
5004 vec![(CursorPopoverType::CodeContextMenu, element, size)]
5005 },
5006 );
5007 }
5008
5009 fn layout_popovers_above_or_below_line(
5010 &self,
5011 target_position: gpui::Point<Pixels>,
5012 line_height: Pixels,
5013 min_height: Pixels,
5014 max_height: Pixels,
5015 placement: Option<ContextMenuPlacement>,
5016 text_hitbox: &Hitbox,
5017 viewport_bounds: Bounds<Pixels>,
5018 window: &mut Window,
5019 cx: &mut App,
5020 make_sized_popovers: impl FnOnce(
5021 Pixels,
5022 Pixels,
5023 bool,
5024 &mut Window,
5025 &mut App,
5026 ) -> Vec<(CursorPopoverType, AnyElement, Size<Pixels>)>,
5027 ) -> Option<(Vec<(CursorPopoverType, Bounds<Pixels>)>, bool)> {
5028 let text_style = TextStyleRefinement {
5029 line_height: Some(DefiniteLength::Fraction(
5030 BufferLineHeight::Comfortable.value(),
5031 )),
5032 ..Default::default()
5033 };
5034 window.with_text_style(Some(text_style), |window| {
5035 // If the max height won't fit below and there is more space above, put it above the line.
5036 let bottom_y_when_flipped = target_position.y - line_height;
5037 let available_above = bottom_y_when_flipped - text_hitbox.top();
5038 let available_below = text_hitbox.bottom() - target_position.y;
5039 let y_overflows_below = max_height > available_below;
5040 let mut y_flipped = match placement {
5041 Some(ContextMenuPlacement::Above) => true,
5042 Some(ContextMenuPlacement::Below) => false,
5043 None => y_overflows_below && available_above > available_below,
5044 };
5045 let mut height = cmp::min(
5046 max_height,
5047 if y_flipped {
5048 available_above
5049 } else {
5050 available_below
5051 },
5052 );
5053
5054 // If the min height doesn't fit within text bounds, instead fit within the window.
5055 if height < min_height {
5056 let available_above = bottom_y_when_flipped;
5057 let available_below = viewport_bounds.bottom() - target_position.y;
5058 let (y_flipped_override, height_override) = match placement {
5059 Some(ContextMenuPlacement::Above) => {
5060 (true, cmp::min(available_above, min_height))
5061 }
5062 Some(ContextMenuPlacement::Below) => {
5063 (false, cmp::min(available_below, min_height))
5064 }
5065 None => {
5066 if available_below > min_height {
5067 (false, min_height)
5068 } else if available_above > min_height {
5069 (true, min_height)
5070 } else if available_above > available_below {
5071 (true, available_above)
5072 } else {
5073 (false, available_below)
5074 }
5075 }
5076 };
5077 y_flipped = y_flipped_override;
5078 height = height_override;
5079 }
5080
5081 let max_width_for_stable_x = viewport_bounds.right() - target_position.x;
5082
5083 // TODO: Use viewport_bounds.width as a max width so that it doesn't get clipped on the left
5084 // for very narrow windows.
5085 let popovers =
5086 make_sized_popovers(height, max_width_for_stable_x, y_flipped, window, cx);
5087 if popovers.is_empty() {
5088 return None;
5089 }
5090
5091 let max_width = popovers
5092 .iter()
5093 .map(|(_, _, size)| size.width)
5094 .max()
5095 .unwrap_or_default();
5096
5097 let mut current_position = gpui::Point {
5098 // Snap the right edge of the list to the right edge of the window if its horizontal bounds
5099 // overflow. Include space for the scrollbar.
5100 x: target_position
5101 .x
5102 .min((viewport_bounds.right() - max_width).max(Pixels::ZERO)),
5103 y: if y_flipped {
5104 bottom_y_when_flipped
5105 } else {
5106 target_position.y
5107 },
5108 };
5109
5110 let mut laid_out_popovers = popovers
5111 .into_iter()
5112 .map(|(popover_type, element, size)| {
5113 if y_flipped {
5114 current_position.y -= size.height;
5115 }
5116 let position = current_position;
5117 window.defer_draw(element, current_position, 1, None);
5118 if !y_flipped {
5119 current_position.y += size.height + MENU_GAP;
5120 } else {
5121 current_position.y -= MENU_GAP;
5122 }
5123 (popover_type, Bounds::new(position, size))
5124 })
5125 .collect::<Vec<_>>();
5126
5127 if y_flipped {
5128 laid_out_popovers.reverse();
5129 }
5130
5131 Some((laid_out_popovers, y_flipped))
5132 })
5133 }
5134
5135 fn layout_context_menu_aside(
5136 &self,
5137 y_flipped: bool,
5138 menu_bounds: Bounds<Pixels>,
5139 target_bounds: Bounds<Pixels>,
5140 max_target_bounds: Bounds<Pixels>,
5141 max_height: Pixels,
5142 must_place_above_or_below: bool,
5143 text_hitbox: &Hitbox,
5144 viewport_bounds: Bounds<Pixels>,
5145 window: &mut Window,
5146 cx: &mut App,
5147 ) -> Option<Bounds<Pixels>> {
5148 let available_within_viewport = target_bounds.space_within(&viewport_bounds);
5149 let positioned_aside = if available_within_viewport.right >= MENU_ASIDE_MIN_WIDTH
5150 && !must_place_above_or_below
5151 {
5152 let max_width = cmp::min(
5153 available_within_viewport.right - px(1.),
5154 MENU_ASIDE_MAX_WIDTH,
5155 );
5156 let mut aside = self.render_context_menu_aside(
5157 size(max_width, max_height - POPOVER_Y_PADDING),
5158 window,
5159 cx,
5160 )?;
5161 let size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
5162 let right_position = point(target_bounds.right(), menu_bounds.origin.y);
5163 Some((aside, right_position, size))
5164 } else {
5165 let max_size = size(
5166 // TODO(mgsloan): Once the menu is bounded by viewport width the bound on viewport
5167 // won't be needed here.
5168 cmp::min(
5169 cmp::max(menu_bounds.size.width - px(2.), MENU_ASIDE_MIN_WIDTH),
5170 viewport_bounds.right(),
5171 ),
5172 cmp::min(
5173 max_height,
5174 cmp::max(
5175 available_within_viewport.top,
5176 available_within_viewport.bottom,
5177 ),
5178 ) - POPOVER_Y_PADDING,
5179 );
5180 let mut aside = self.render_context_menu_aside(max_size, window, cx)?;
5181 let actual_size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
5182
5183 let top_position = point(
5184 menu_bounds.origin.x,
5185 target_bounds.top() - actual_size.height,
5186 );
5187 let bottom_position = point(menu_bounds.origin.x, target_bounds.bottom());
5188
5189 let fit_within = |available: Edges<Pixels>, wanted: Size<Pixels>| {
5190 // Prefer to fit on the same side of the line as the menu, then on the other side of
5191 // the line.
5192 if !y_flipped && wanted.height < available.bottom {
5193 Some(bottom_position)
5194 } else if !y_flipped && wanted.height < available.top {
5195 Some(top_position)
5196 } else if y_flipped && wanted.height < available.top {
5197 Some(top_position)
5198 } else if y_flipped && wanted.height < available.bottom {
5199 Some(bottom_position)
5200 } else {
5201 None
5202 }
5203 };
5204
5205 // Prefer choosing a direction using max sizes rather than actual size for stability.
5206 let available_within_text = max_target_bounds.space_within(&text_hitbox.bounds);
5207 let wanted = size(MENU_ASIDE_MAX_WIDTH, max_height);
5208 let aside_position = fit_within(available_within_text, wanted)
5209 // Fallback: fit max size in window.
5210 .or_else(|| fit_within(max_target_bounds.space_within(&viewport_bounds), wanted))
5211 // Fallback: fit actual size in window.
5212 .or_else(|| fit_within(available_within_viewport, actual_size));
5213
5214 aside_position.map(|position| (aside, position, actual_size))
5215 };
5216
5217 // Skip drawing if it doesn't fit anywhere.
5218 if let Some((aside, position, size)) = positioned_aside {
5219 let aside_bounds = Bounds::new(position, size);
5220 window.defer_draw(aside, position, 2, None);
5221 return Some(aside_bounds);
5222 }
5223
5224 None
5225 }
5226
5227 fn render_context_menu(
5228 &self,
5229 line_height: Pixels,
5230 height: Pixels,
5231 window: &mut Window,
5232 cx: &mut App,
5233 ) -> Option<AnyElement> {
5234 let max_height_in_lines = ((height - POPOVER_Y_PADDING) / line_height).floor() as u32;
5235 self.editor.update(cx, |editor, cx| {
5236 editor.render_context_menu(max_height_in_lines, window, cx)
5237 })
5238 }
5239
5240 fn render_context_menu_aside(
5241 &self,
5242 max_size: Size<Pixels>,
5243 window: &mut Window,
5244 cx: &mut App,
5245 ) -> Option<AnyElement> {
5246 if max_size.width < px(100.) || max_size.height < px(12.) {
5247 None
5248 } else {
5249 self.editor.update(cx, |editor, cx| {
5250 editor.render_context_menu_aside(max_size, window, cx)
5251 })
5252 }
5253 }
5254
5255 fn layout_mouse_context_menu(
5256 &self,
5257 editor_snapshot: &EditorSnapshot,
5258 visible_range: Range<DisplayRow>,
5259 content_origin: gpui::Point<Pixels>,
5260 window: &mut Window,
5261 cx: &mut App,
5262 ) -> Option<AnyElement> {
5263 let position = self.editor.update(cx, |editor, cx| {
5264 let visible_start_point = editor.display_to_pixel_point(
5265 DisplayPoint::new(visible_range.start, 0),
5266 editor_snapshot,
5267 window,
5268 cx,
5269 )?;
5270 let visible_end_point = editor.display_to_pixel_point(
5271 DisplayPoint::new(visible_range.end, 0),
5272 editor_snapshot,
5273 window,
5274 cx,
5275 )?;
5276
5277 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
5278 let (source_display_point, position) = match mouse_context_menu.position {
5279 MenuPosition::PinnedToScreen(point) => (None, point),
5280 MenuPosition::PinnedToEditor { source, offset } => {
5281 let source_display_point = source.to_display_point(editor_snapshot);
5282 let source_point =
5283 editor.to_pixel_point(source, editor_snapshot, window, cx)?;
5284 let position = content_origin + source_point + offset;
5285 (Some(source_display_point), position)
5286 }
5287 };
5288
5289 let source_included = source_display_point.is_none_or(|source_display_point| {
5290 visible_range
5291 .to_inclusive()
5292 .contains(&source_display_point.row())
5293 });
5294 let position_included =
5295 visible_start_point.y <= position.y && position.y <= visible_end_point.y;
5296 if !source_included && !position_included {
5297 None
5298 } else {
5299 Some(position)
5300 }
5301 })?;
5302
5303 let text_style = TextStyleRefinement {
5304 line_height: Some(DefiniteLength::Fraction(
5305 BufferLineHeight::Comfortable.value(),
5306 )),
5307 ..Default::default()
5308 };
5309 window.with_text_style(Some(text_style), |window| {
5310 let mut element = self.editor.read_with(cx, |editor, _| {
5311 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
5312 let context_menu = mouse_context_menu.context_menu.clone();
5313
5314 Some(
5315 deferred(
5316 anchored()
5317 .position(position)
5318 .child(context_menu)
5319 .anchor(Corner::TopLeft)
5320 .snap_to_window_with_margin(px(8.)),
5321 )
5322 .with_priority(1)
5323 .into_any(),
5324 )
5325 })?;
5326
5327 element.prepaint_as_root(position, AvailableSpace::min_size(), window, cx);
5328 Some(element)
5329 })
5330 }
5331
5332 fn layout_hover_popovers(
5333 &self,
5334 snapshot: &EditorSnapshot,
5335 hitbox: &Hitbox,
5336 visible_display_row_range: Range<DisplayRow>,
5337 content_origin: gpui::Point<Pixels>,
5338 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5339 line_layouts: &[LineWithInvisibles],
5340 line_height: Pixels,
5341 em_width: Pixels,
5342 context_menu_layout: Option<ContextMenuLayout>,
5343 window: &mut Window,
5344 cx: &mut App,
5345 ) {
5346 struct MeasuredHoverPopover {
5347 element: AnyElement,
5348 size: Size<Pixels>,
5349 horizontal_offset: Pixels,
5350 }
5351
5352 let max_size = size(
5353 (120. * em_width) // Default size
5354 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5355 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5356 (16. * line_height) // Default size
5357 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5358 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5359 );
5360
5361 // Don't show hover popovers when context menu is open to avoid overlap
5362 let has_context_menu = self.editor.read(cx).mouse_context_menu.is_some();
5363 if has_context_menu {
5364 return;
5365 }
5366
5367 let hover_popovers = self.editor.update(cx, |editor, cx| {
5368 editor.hover_state.render(
5369 snapshot,
5370 visible_display_row_range.clone(),
5371 max_size,
5372 &editor.text_layout_details(window, cx),
5373 window,
5374 cx,
5375 )
5376 });
5377 let Some((popover_position, hover_popovers)) = hover_popovers else {
5378 return;
5379 };
5380
5381 // This is safe because we check on layout whether the required row is available
5382 let hovered_row_layout = &line_layouts[popover_position
5383 .row()
5384 .minus(visible_display_row_range.start)
5385 as usize];
5386
5387 // Compute Hovered Point
5388 let x = hovered_row_layout.x_for_index(popover_position.column() as usize)
5389 - Pixels::from(scroll_pixel_position.x);
5390 let y = Pixels::from(
5391 popover_position.row().as_f64() * ScrollPixelOffset::from(line_height)
5392 - scroll_pixel_position.y,
5393 );
5394 let hovered_point = content_origin + point(x, y);
5395
5396 let mut overall_height = Pixels::ZERO;
5397 let mut measured_hover_popovers = Vec::new();
5398 for (position, mut hover_popover) in hover_popovers.into_iter().with_position() {
5399 let size = hover_popover.layout_as_root(AvailableSpace::min_size(), window, cx);
5400 let horizontal_offset =
5401 (hitbox.top_right().x - POPOVER_RIGHT_OFFSET - (hovered_point.x + size.width))
5402 .min(Pixels::ZERO);
5403 match position {
5404 itertools::Position::Middle | itertools::Position::Last => {
5405 overall_height += HOVER_POPOVER_GAP
5406 }
5407 _ => {}
5408 }
5409 overall_height += size.height;
5410 measured_hover_popovers.push(MeasuredHoverPopover {
5411 element: hover_popover,
5412 size,
5413 horizontal_offset,
5414 });
5415 }
5416
5417 fn draw_occluder(
5418 width: Pixels,
5419 origin: gpui::Point<Pixels>,
5420 window: &mut Window,
5421 cx: &mut App,
5422 ) {
5423 let mut occlusion = div()
5424 .size_full()
5425 .occlude()
5426 .on_mouse_move(|_, _, cx| cx.stop_propagation())
5427 .into_any_element();
5428 occlusion.layout_as_root(size(width, HOVER_POPOVER_GAP).into(), window, cx);
5429 window.defer_draw(occlusion, origin, 2, None);
5430 }
5431
5432 fn place_popovers_above(
5433 hovered_point: gpui::Point<Pixels>,
5434 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5435 window: &mut Window,
5436 cx: &mut App,
5437 ) {
5438 let mut current_y = hovered_point.y;
5439 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5440 let size = popover.size;
5441 let popover_origin = point(
5442 hovered_point.x + popover.horizontal_offset,
5443 current_y - size.height,
5444 );
5445
5446 window.defer_draw(popover.element, popover_origin, 2, None);
5447 if position != itertools::Position::Last {
5448 let origin = point(popover_origin.x, popover_origin.y - HOVER_POPOVER_GAP);
5449 draw_occluder(size.width, origin, window, cx);
5450 }
5451
5452 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5453 }
5454 }
5455
5456 fn place_popovers_below(
5457 hovered_point: gpui::Point<Pixels>,
5458 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5459 line_height: Pixels,
5460 window: &mut Window,
5461 cx: &mut App,
5462 ) {
5463 let mut current_y = hovered_point.y + line_height;
5464 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5465 let size = popover.size;
5466 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5467
5468 window.defer_draw(popover.element, popover_origin, 2, None);
5469 if position != itertools::Position::Last {
5470 let origin = point(popover_origin.x, popover_origin.y + size.height);
5471 draw_occluder(size.width, origin, window, cx);
5472 }
5473
5474 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5475 }
5476 }
5477
5478 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5479 context_menu_layout
5480 .as_ref()
5481 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5482 };
5483
5484 let can_place_above = {
5485 let mut bounds_above = Vec::new();
5486 let mut current_y = hovered_point.y;
5487 for popover in &measured_hover_popovers {
5488 let size = popover.size;
5489 let popover_origin = point(
5490 hovered_point.x + popover.horizontal_offset,
5491 current_y - size.height,
5492 );
5493 bounds_above.push(Bounds::new(popover_origin, size));
5494 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5495 }
5496 bounds_above
5497 .iter()
5498 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5499 };
5500
5501 let can_place_below = || {
5502 let mut bounds_below = Vec::new();
5503 let mut current_y = hovered_point.y + line_height;
5504 for popover in &measured_hover_popovers {
5505 let size = popover.size;
5506 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5507 bounds_below.push(Bounds::new(popover_origin, size));
5508 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5509 }
5510 bounds_below
5511 .iter()
5512 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5513 };
5514
5515 if can_place_above {
5516 // try placing above hovered point
5517 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5518 } else if can_place_below() {
5519 // try placing below hovered point
5520 place_popovers_below(
5521 hovered_point,
5522 measured_hover_popovers,
5523 line_height,
5524 window,
5525 cx,
5526 );
5527 } else {
5528 // try to place popovers around the context menu
5529 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5530 let total_width = measured_hover_popovers
5531 .iter()
5532 .map(|p| p.size.width)
5533 .max()
5534 .unwrap_or(Pixels::ZERO);
5535 let y_for_horizontal_positioning = if menu.y_flipped {
5536 menu.bounds.bottom() - overall_height
5537 } else {
5538 menu.bounds.top()
5539 };
5540 let possible_origins = vec![
5541 // left of context menu
5542 point(
5543 menu.bounds.left() - total_width - HOVER_POPOVER_GAP,
5544 y_for_horizontal_positioning,
5545 ),
5546 // right of context menu
5547 point(
5548 menu.bounds.right() + HOVER_POPOVER_GAP,
5549 y_for_horizontal_positioning,
5550 ),
5551 // top of context menu
5552 point(
5553 menu.bounds.left(),
5554 menu.bounds.top() - overall_height - HOVER_POPOVER_GAP,
5555 ),
5556 // bottom of context menu
5557 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5558 ];
5559 possible_origins.into_iter().find(|&origin| {
5560 Bounds::new(origin, size(total_width, overall_height))
5561 .is_contained_within(hitbox)
5562 })
5563 });
5564 if let Some(origin) = origin_surrounding_menu {
5565 let mut current_y = origin.y;
5566 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5567 let size = popover.size;
5568 let popover_origin = point(origin.x, current_y);
5569
5570 window.defer_draw(popover.element, popover_origin, 2, None);
5571 if position != itertools::Position::Last {
5572 let origin = point(popover_origin.x, popover_origin.y + size.height);
5573 draw_occluder(size.width, origin, window, cx);
5574 }
5575
5576 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5577 }
5578 } else {
5579 // fallback to existing above/below cursor logic
5580 // this might overlap menu or overflow in rare case
5581 if can_place_above {
5582 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5583 } else {
5584 place_popovers_below(
5585 hovered_point,
5586 measured_hover_popovers,
5587 line_height,
5588 window,
5589 cx,
5590 );
5591 }
5592 }
5593 }
5594 }
5595
5596 fn layout_word_diff_highlights(
5597 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
5598 row_infos: &[RowInfo],
5599 start_row: DisplayRow,
5600 snapshot: &EditorSnapshot,
5601 highlighted_ranges: &mut Vec<(Range<DisplayPoint>, Hsla)>,
5602 cx: &mut App,
5603 ) {
5604 let colors = cx.theme().colors();
5605
5606 let word_highlights = display_hunks
5607 .into_iter()
5608 .filter_map(|(hunk, _)| match hunk {
5609 DisplayDiffHunk::Unfolded {
5610 word_diffs, status, ..
5611 } => Some((word_diffs, status)),
5612 _ => None,
5613 })
5614 .filter(|(_, status)| status.is_modified())
5615 .flat_map(|(word_diffs, _)| word_diffs)
5616 .flat_map(|word_diff| {
5617 let display_ranges = snapshot
5618 .display_snapshot
5619 .isomorphic_display_point_ranges_for_buffer_range(
5620 word_diff.start..word_diff.end,
5621 );
5622
5623 display_ranges.into_iter().filter_map(|range| {
5624 let start_row_offset = range.start.row().0.saturating_sub(start_row.0) as usize;
5625
5626 let diff_status = row_infos
5627 .get(start_row_offset)
5628 .and_then(|row_info| row_info.diff_status)?;
5629
5630 let background_color = match diff_status.kind {
5631 DiffHunkStatusKind::Added => colors.version_control_word_added,
5632 DiffHunkStatusKind::Deleted => colors.version_control_word_deleted,
5633 DiffHunkStatusKind::Modified => {
5634 debug_panic!("modified diff status for row info");
5635 return None;
5636 }
5637 };
5638
5639 Some((range, background_color))
5640 })
5641 });
5642
5643 highlighted_ranges.extend(word_highlights);
5644 }
5645
5646 fn layout_diff_hunk_controls(
5647 &self,
5648 row_range: Range<DisplayRow>,
5649 row_infos: &[RowInfo],
5650 text_hitbox: &Hitbox,
5651 newest_cursor_row: Option<DisplayRow>,
5652 line_height: Pixels,
5653 right_margin: Pixels,
5654 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5655 sticky_header_height: Pixels,
5656 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
5657 highlighted_rows: &BTreeMap<DisplayRow, LineHighlight>,
5658 editor: Entity<Editor>,
5659 window: &mut Window,
5660 cx: &mut App,
5661 ) -> (Vec<AnyElement>, Vec<(DisplayRow, Bounds<Pixels>)>) {
5662 let render_diff_hunk_controls = editor.read(cx).render_diff_hunk_controls.clone();
5663 let hovered_diff_hunk_row = editor.read(cx).hovered_diff_hunk_row;
5664 let sticky_top = text_hitbox.bounds.top() + sticky_header_height;
5665
5666 let mut controls = vec![];
5667 let mut control_bounds = vec![];
5668
5669 let active_rows = [hovered_diff_hunk_row, newest_cursor_row];
5670
5671 for (hunk, _) in display_hunks {
5672 if let DisplayDiffHunk::Unfolded {
5673 display_row_range,
5674 multi_buffer_range,
5675 status,
5676 is_created_file,
5677 ..
5678 } = &hunk
5679 {
5680 if display_row_range.start >= row_range.end {
5681 // hunk is fully below the viewport
5682 continue;
5683 }
5684 if display_row_range.end <= row_range.start {
5685 // hunk is fully above the viewport
5686 continue;
5687 }
5688 let row_ix = display_row_range.start.0.saturating_sub(row_range.start.0);
5689 if row_infos
5690 .get(row_ix as usize)
5691 .and_then(|row_info| row_info.diff_status)
5692 .is_none()
5693 {
5694 continue;
5695 }
5696 if highlighted_rows
5697 .get(&display_row_range.start)
5698 .and_then(|highlight| highlight.type_id)
5699 .is_some_and(|type_id| {
5700 [
5701 TypeId::of::<ConflictsOuter>(),
5702 TypeId::of::<ConflictsOursMarker>(),
5703 TypeId::of::<ConflictsOurs>(),
5704 TypeId::of::<ConflictsTheirs>(),
5705 TypeId::of::<ConflictsTheirsMarker>(),
5706 ]
5707 .contains(&type_id)
5708 })
5709 {
5710 continue;
5711 }
5712
5713 if active_rows
5714 .iter()
5715 .any(|row| row.is_some_and(|row| display_row_range.contains(&row)))
5716 {
5717 let hunk_start_y: Pixels = (display_row_range.start.as_f64()
5718 * ScrollPixelOffset::from(line_height)
5719 + ScrollPixelOffset::from(text_hitbox.bounds.top())
5720 - scroll_pixel_position.y)
5721 .into();
5722
5723 let y: Pixels = if hunk_start_y >= sticky_top {
5724 hunk_start_y
5725 } else {
5726 let hunk_end_y: Pixels = hunk_start_y
5727 + (display_row_range.len() as f64
5728 * ScrollPixelOffset::from(line_height))
5729 .into();
5730 let max_y = hunk_end_y - line_height;
5731 sticky_top.min(max_y)
5732 };
5733
5734 let mut element = render_diff_hunk_controls(
5735 display_row_range.start.0,
5736 status,
5737 multi_buffer_range.clone(),
5738 *is_created_file,
5739 line_height,
5740 &editor,
5741 window,
5742 cx,
5743 );
5744 let size =
5745 element.layout_as_root(size(px(100.0), line_height).into(), window, cx);
5746
5747 let x = text_hitbox.bounds.right() - right_margin - px(10.) - size.width;
5748
5749 if x < text_hitbox.bounds.left() {
5750 continue;
5751 }
5752
5753 let bounds = Bounds::new(gpui::Point::new(x, y), size);
5754 control_bounds.push((display_row_range.start, bounds));
5755
5756 window.with_absolute_element_offset(gpui::Point::new(x, y), |window| {
5757 element.prepaint(window, cx)
5758 });
5759 controls.push(element);
5760 }
5761 }
5762 }
5763
5764 (controls, control_bounds)
5765 }
5766
5767 fn layout_signature_help(
5768 &self,
5769 hitbox: &Hitbox,
5770 content_origin: gpui::Point<Pixels>,
5771 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5772 newest_selection_head: Option<DisplayPoint>,
5773 start_row: DisplayRow,
5774 line_layouts: &[LineWithInvisibles],
5775 line_height: Pixels,
5776 em_width: Pixels,
5777 context_menu_layout: Option<ContextMenuLayout>,
5778 window: &mut Window,
5779 cx: &mut App,
5780 ) {
5781 if !self.editor.focus_handle(cx).is_focused(window) {
5782 return;
5783 }
5784 let Some(newest_selection_head) = newest_selection_head else {
5785 return;
5786 };
5787
5788 let max_size = size(
5789 (120. * em_width) // Default size
5790 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5791 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5792 (16. * line_height) // Default size
5793 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5794 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5795 );
5796
5797 let maybe_element = self.editor.update(cx, |editor, cx| {
5798 if let Some(popover) = editor.signature_help_state.popover_mut() {
5799 let element = popover.render(max_size, window, cx);
5800 Some(element)
5801 } else {
5802 None
5803 }
5804 });
5805 let Some(mut element) = maybe_element else {
5806 return;
5807 };
5808
5809 let selection_row = newest_selection_head.row();
5810 let Some(cursor_row_layout) = (selection_row >= start_row)
5811 .then(|| line_layouts.get(selection_row.minus(start_row) as usize))
5812 .flatten()
5813 else {
5814 return;
5815 };
5816
5817 let target_x = cursor_row_layout.x_for_index(newest_selection_head.column() as usize)
5818 - Pixels::from(scroll_pixel_position.x);
5819 let target_y = Pixels::from(
5820 selection_row.as_f64() * ScrollPixelOffset::from(line_height) - scroll_pixel_position.y,
5821 );
5822 let target_point = content_origin + point(target_x, target_y);
5823
5824 let actual_size = element.layout_as_root(Size::<AvailableSpace>::default(), window, cx);
5825
5826 let (popover_bounds_above, popover_bounds_below) = {
5827 let horizontal_offset = (hitbox.top_right().x
5828 - POPOVER_RIGHT_OFFSET
5829 - (target_point.x + actual_size.width))
5830 .min(Pixels::ZERO);
5831 let initial_x = target_point.x + horizontal_offset;
5832 (
5833 Bounds::new(
5834 point(initial_x, target_point.y - actual_size.height),
5835 actual_size,
5836 ),
5837 Bounds::new(
5838 point(initial_x, target_point.y + line_height + HOVER_POPOVER_GAP),
5839 actual_size,
5840 ),
5841 )
5842 };
5843
5844 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5845 context_menu_layout
5846 .as_ref()
5847 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5848 };
5849
5850 let final_origin = if popover_bounds_above.is_contained_within(hitbox)
5851 && !intersects_menu(popover_bounds_above)
5852 {
5853 // try placing above cursor
5854 popover_bounds_above.origin
5855 } else if popover_bounds_below.is_contained_within(hitbox)
5856 && !intersects_menu(popover_bounds_below)
5857 {
5858 // try placing below cursor
5859 popover_bounds_below.origin
5860 } else {
5861 // try surrounding context menu if exists
5862 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5863 let y_for_horizontal_positioning = if menu.y_flipped {
5864 menu.bounds.bottom() - actual_size.height
5865 } else {
5866 menu.bounds.top()
5867 };
5868 let possible_origins = vec![
5869 // left of context menu
5870 point(
5871 menu.bounds.left() - actual_size.width - HOVER_POPOVER_GAP,
5872 y_for_horizontal_positioning,
5873 ),
5874 // right of context menu
5875 point(
5876 menu.bounds.right() + HOVER_POPOVER_GAP,
5877 y_for_horizontal_positioning,
5878 ),
5879 // top of context menu
5880 point(
5881 menu.bounds.left(),
5882 menu.bounds.top() - actual_size.height - HOVER_POPOVER_GAP,
5883 ),
5884 // bottom of context menu
5885 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5886 ];
5887 possible_origins
5888 .into_iter()
5889 .find(|&origin| Bounds::new(origin, actual_size).is_contained_within(hitbox))
5890 });
5891 origin_surrounding_menu.unwrap_or_else(|| {
5892 // fallback to existing above/below cursor logic
5893 // this might overlap menu or overflow in rare case
5894 if popover_bounds_above.is_contained_within(hitbox) {
5895 popover_bounds_above.origin
5896 } else {
5897 popover_bounds_below.origin
5898 }
5899 })
5900 };
5901
5902 window.defer_draw(element, final_origin, 2, None);
5903 }
5904
5905 fn paint_background(&self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
5906 window.paint_layer(layout.hitbox.bounds, |window| {
5907 let scroll_top = layout.position_map.snapshot.scroll_position().y;
5908 let gutter_bg = cx.theme().colors().editor_gutter_background;
5909 window.paint_quad(fill(layout.gutter_hitbox.bounds, gutter_bg));
5910 window.paint_quad(fill(
5911 layout.position_map.text_hitbox.bounds,
5912 self.style.background,
5913 ));
5914
5915 if matches!(
5916 layout.mode,
5917 EditorMode::Full { .. } | EditorMode::Minimap { .. }
5918 ) {
5919 let show_active_line_background = match layout.mode {
5920 EditorMode::Full {
5921 show_active_line_background,
5922 ..
5923 } => show_active_line_background,
5924 EditorMode::Minimap { .. } => true,
5925 _ => false,
5926 };
5927 let mut active_rows = layout.active_rows.iter().peekable();
5928 while let Some((start_row, contains_non_empty_selection)) = active_rows.next() {
5929 let mut end_row = start_row.0;
5930 while active_rows
5931 .peek()
5932 .is_some_and(|(active_row, has_selection)| {
5933 active_row.0 == end_row + 1
5934 && has_selection.selection == contains_non_empty_selection.selection
5935 })
5936 {
5937 active_rows.next().unwrap();
5938 end_row += 1;
5939 }
5940
5941 if show_active_line_background && !contains_non_empty_selection.selection {
5942 let highlight_h_range =
5943 match layout.position_map.snapshot.current_line_highlight {
5944 CurrentLineHighlight::Gutter => Some(Range {
5945 start: layout.hitbox.left(),
5946 end: layout.gutter_hitbox.right(),
5947 }),
5948 CurrentLineHighlight::Line => Some(Range {
5949 start: layout.position_map.text_hitbox.bounds.left(),
5950 end: layout.position_map.text_hitbox.bounds.right(),
5951 }),
5952 CurrentLineHighlight::All => Some(Range {
5953 start: layout.hitbox.left(),
5954 end: layout.hitbox.right(),
5955 }),
5956 CurrentLineHighlight::None => None,
5957 };
5958 if let Some(range) = highlight_h_range {
5959 let active_line_bg = cx.theme().colors().editor_active_line_background;
5960 let bounds = Bounds {
5961 origin: point(
5962 range.start,
5963 layout.hitbox.origin.y
5964 + Pixels::from(
5965 (start_row.as_f64() - scroll_top)
5966 * ScrollPixelOffset::from(
5967 layout.position_map.line_height,
5968 ),
5969 ),
5970 ),
5971 size: size(
5972 range.end - range.start,
5973 layout.position_map.line_height
5974 * (end_row - start_row.0 + 1) as f32,
5975 ),
5976 };
5977 window.paint_quad(fill(bounds, active_line_bg));
5978 }
5979 }
5980 }
5981
5982 let mut paint_highlight = |highlight_row_start: DisplayRow,
5983 highlight_row_end: DisplayRow,
5984 highlight: crate::LineHighlight,
5985 edges| {
5986 let mut origin_x = layout.hitbox.left();
5987 let mut width = layout.hitbox.size.width;
5988 if !highlight.include_gutter {
5989 origin_x += layout.gutter_hitbox.size.width;
5990 width -= layout.gutter_hitbox.size.width;
5991 }
5992
5993 let origin = point(
5994 origin_x,
5995 layout.hitbox.origin.y
5996 + Pixels::from(
5997 (highlight_row_start.as_f64() - scroll_top)
5998 * ScrollPixelOffset::from(layout.position_map.line_height),
5999 ),
6000 );
6001 let size = size(
6002 width,
6003 layout.position_map.line_height
6004 * highlight_row_end.next_row().minus(highlight_row_start) as f32,
6005 );
6006 let mut quad = fill(Bounds { origin, size }, highlight.background);
6007 if let Some(border_color) = highlight.border {
6008 quad.border_color = border_color;
6009 quad.border_widths = edges
6010 }
6011 window.paint_quad(quad);
6012 };
6013
6014 let mut current_paint: Option<(LineHighlight, Range<DisplayRow>, Edges<Pixels>)> =
6015 None;
6016 for (&new_row, &new_background) in &layout.highlighted_rows {
6017 match &mut current_paint {
6018 &mut Some((current_background, ref mut current_range, mut edges)) => {
6019 let new_range_started = current_background != new_background
6020 || current_range.end.next_row() != new_row;
6021 if new_range_started {
6022 if current_range.end.next_row() == new_row {
6023 edges.bottom = px(0.);
6024 };
6025 paint_highlight(
6026 current_range.start,
6027 current_range.end,
6028 current_background,
6029 edges,
6030 );
6031 let edges = Edges {
6032 top: if current_range.end.next_row() != new_row {
6033 px(1.)
6034 } else {
6035 px(0.)
6036 },
6037 bottom: px(1.),
6038 ..Default::default()
6039 };
6040 current_paint = Some((new_background, new_row..new_row, edges));
6041 continue;
6042 } else {
6043 current_range.end = current_range.end.next_row();
6044 }
6045 }
6046 None => {
6047 let edges = Edges {
6048 top: px(1.),
6049 bottom: px(1.),
6050 ..Default::default()
6051 };
6052 current_paint = Some((new_background, new_row..new_row, edges))
6053 }
6054 };
6055 }
6056 if let Some((color, range, edges)) = current_paint {
6057 paint_highlight(range.start, range.end, color, edges);
6058 }
6059
6060 for (guide_x, active) in layout.wrap_guides.iter() {
6061 let color = if *active {
6062 cx.theme().colors().editor_active_wrap_guide
6063 } else {
6064 cx.theme().colors().editor_wrap_guide
6065 };
6066 window.paint_quad(fill(
6067 Bounds {
6068 origin: point(*guide_x, layout.position_map.text_hitbox.origin.y),
6069 size: size(px(1.), layout.position_map.text_hitbox.size.height),
6070 },
6071 color,
6072 ));
6073 }
6074 }
6075 })
6076 }
6077
6078 fn paint_indent_guides(
6079 &mut self,
6080 layout: &mut EditorLayout,
6081 window: &mut Window,
6082 cx: &mut App,
6083 ) {
6084 let Some(indent_guides) = &layout.indent_guides else {
6085 return;
6086 };
6087
6088 let faded_color = |color: Hsla, alpha: f32| {
6089 let mut faded = color;
6090 faded.a = alpha;
6091 faded
6092 };
6093
6094 for indent_guide in indent_guides {
6095 let indent_accent_colors = cx.theme().accents().color_for_index(indent_guide.depth);
6096 let settings = &indent_guide.settings;
6097
6098 // TODO fixed for now, expose them through themes later
6099 const INDENT_AWARE_ALPHA: f32 = 0.2;
6100 const INDENT_AWARE_ACTIVE_ALPHA: f32 = 0.4;
6101 const INDENT_AWARE_BACKGROUND_ALPHA: f32 = 0.1;
6102 const INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA: f32 = 0.2;
6103
6104 let line_color = match (settings.coloring, indent_guide.active) {
6105 (IndentGuideColoring::Disabled, _) => None,
6106 (IndentGuideColoring::Fixed, false) => {
6107 Some(cx.theme().colors().editor_indent_guide)
6108 }
6109 (IndentGuideColoring::Fixed, true) => {
6110 Some(cx.theme().colors().editor_indent_guide_active)
6111 }
6112 (IndentGuideColoring::IndentAware, false) => {
6113 Some(faded_color(indent_accent_colors, INDENT_AWARE_ALPHA))
6114 }
6115 (IndentGuideColoring::IndentAware, true) => {
6116 Some(faded_color(indent_accent_colors, INDENT_AWARE_ACTIVE_ALPHA))
6117 }
6118 };
6119
6120 let background_color = match (settings.background_coloring, indent_guide.active) {
6121 (IndentGuideBackgroundColoring::Disabled, _) => None,
6122 (IndentGuideBackgroundColoring::IndentAware, false) => Some(faded_color(
6123 indent_accent_colors,
6124 INDENT_AWARE_BACKGROUND_ALPHA,
6125 )),
6126 (IndentGuideBackgroundColoring::IndentAware, true) => Some(faded_color(
6127 indent_accent_colors,
6128 INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA,
6129 )),
6130 };
6131
6132 let mut line_indicator_width = 0.;
6133 if let Some(requested_line_width) = settings.visible_line_width(indent_guide.active) {
6134 if let Some(color) = line_color {
6135 window.paint_quad(fill(
6136 Bounds {
6137 origin: indent_guide.origin,
6138 size: size(px(requested_line_width as f32), indent_guide.length),
6139 },
6140 color,
6141 ));
6142 line_indicator_width = requested_line_width as f32;
6143 }
6144 }
6145
6146 if let Some(color) = background_color {
6147 let width = indent_guide.single_indent_width - px(line_indicator_width);
6148 window.paint_quad(fill(
6149 Bounds {
6150 origin: point(
6151 indent_guide.origin.x + px(line_indicator_width),
6152 indent_guide.origin.y,
6153 ),
6154 size: size(width, indent_guide.length),
6155 },
6156 color,
6157 ));
6158 }
6159 }
6160 }
6161
6162 fn paint_line_numbers(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6163 let is_singleton = self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
6164
6165 let line_height = layout.position_map.line_height;
6166 window.set_cursor_style(CursorStyle::Arrow, &layout.gutter_hitbox);
6167
6168 for line_layout in layout.line_numbers.values() {
6169 for LineNumberSegment {
6170 shaped_line,
6171 hitbox,
6172 } in &line_layout.segments
6173 {
6174 let Some(hitbox) = hitbox else {
6175 continue;
6176 };
6177
6178 let Some(()) = (if !is_singleton && hitbox.is_hovered(window) {
6179 let color = cx.theme().colors().editor_hover_line_number;
6180
6181 let line = self.shape_line_number(shaped_line.text.clone(), color, window);
6182 line.paint(
6183 hitbox.origin,
6184 line_height,
6185 TextAlign::Left,
6186 None,
6187 window,
6188 cx,
6189 )
6190 .log_err()
6191 } else {
6192 shaped_line
6193 .paint(
6194 hitbox.origin,
6195 line_height,
6196 TextAlign::Left,
6197 None,
6198 window,
6199 cx,
6200 )
6201 .log_err()
6202 }) else {
6203 continue;
6204 };
6205
6206 // In singleton buffers, we select corresponding lines on the line number click, so use | -like cursor.
6207 // In multi buffers, we open file at the line number clicked, so use a pointing hand cursor.
6208 if is_singleton {
6209 window.set_cursor_style(CursorStyle::IBeam, hitbox);
6210 } else {
6211 window.set_cursor_style(CursorStyle::PointingHand, hitbox);
6212 }
6213 }
6214 }
6215 }
6216
6217 fn paint_gutter_diff_hunks(
6218 layout: &mut EditorLayout,
6219 split_side: Option<SplitSide>,
6220 window: &mut Window,
6221 cx: &mut App,
6222 ) {
6223 if layout.display_hunks.is_empty() {
6224 return;
6225 }
6226
6227 let line_height = layout.position_map.line_height;
6228 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6229 for (hunk, hitbox) in &layout.display_hunks {
6230 let hunk_to_paint = match hunk {
6231 DisplayDiffHunk::Folded { .. } => {
6232 let hunk_bounds = Self::diff_hunk_bounds(
6233 &layout.position_map.snapshot,
6234 line_height,
6235 layout.gutter_hitbox.bounds,
6236 hunk,
6237 );
6238 Some((
6239 hunk_bounds,
6240 cx.theme().colors().version_control_modified,
6241 Corners::all(px(0.)),
6242 DiffHunkStatus::modified_none(),
6243 ))
6244 }
6245 DisplayDiffHunk::Unfolded {
6246 status,
6247 display_row_range,
6248 ..
6249 } => hitbox.as_ref().map(|hunk_hitbox| {
6250 let color = match split_side {
6251 Some(SplitSide::Left) => cx.theme().colors().version_control_deleted,
6252 Some(SplitSide::Right) => cx.theme().colors().version_control_added,
6253 None => match status.kind {
6254 DiffHunkStatusKind::Added => {
6255 cx.theme().colors().version_control_added
6256 }
6257 DiffHunkStatusKind::Modified => {
6258 cx.theme().colors().version_control_modified
6259 }
6260 DiffHunkStatusKind::Deleted => {
6261 cx.theme().colors().version_control_deleted
6262 }
6263 },
6264 };
6265 match status.kind {
6266 DiffHunkStatusKind::Deleted if display_row_range.is_empty() => (
6267 Bounds::new(
6268 point(
6269 hunk_hitbox.origin.x - hunk_hitbox.size.width,
6270 hunk_hitbox.origin.y,
6271 ),
6272 size(hunk_hitbox.size.width * 2., hunk_hitbox.size.height),
6273 ),
6274 color,
6275 Corners::all(1. * line_height),
6276 *status,
6277 ),
6278 _ => (hunk_hitbox.bounds, color, Corners::all(px(0.)), *status),
6279 }
6280 }),
6281 };
6282
6283 if let Some((hunk_bounds, background_color, corner_radii, status)) = hunk_to_paint {
6284 // Flatten the background color with the editor color to prevent
6285 // elements below transparent hunks from showing through
6286 let flattened_background_color = cx
6287 .theme()
6288 .colors()
6289 .editor_background
6290 .blend(background_color);
6291
6292 if !Self::diff_hunk_hollow(status, cx) {
6293 window.paint_quad(quad(
6294 hunk_bounds,
6295 corner_radii,
6296 flattened_background_color,
6297 Edges::default(),
6298 transparent_black(),
6299 BorderStyle::default(),
6300 ));
6301 } else {
6302 let flattened_unstaged_background_color = cx
6303 .theme()
6304 .colors()
6305 .editor_background
6306 .blend(background_color.opacity(0.3));
6307
6308 window.paint_quad(quad(
6309 hunk_bounds,
6310 corner_radii,
6311 flattened_unstaged_background_color,
6312 Edges::all(px(1.0)),
6313 flattened_background_color,
6314 BorderStyle::Solid,
6315 ));
6316 }
6317 }
6318 }
6319 });
6320 }
6321
6322 fn gutter_strip_width(line_height: Pixels) -> Pixels {
6323 (0.275 * line_height).floor()
6324 }
6325
6326 fn diff_hunk_bounds(
6327 snapshot: &EditorSnapshot,
6328 line_height: Pixels,
6329 gutter_bounds: Bounds<Pixels>,
6330 hunk: &DisplayDiffHunk,
6331 ) -> Bounds<Pixels> {
6332 let scroll_position = snapshot.scroll_position();
6333 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
6334 let gutter_strip_width = Self::gutter_strip_width(line_height);
6335
6336 match hunk {
6337 DisplayDiffHunk::Folded { display_row, .. } => {
6338 let start_y = (display_row.as_f64() * ScrollPixelOffset::from(line_height)
6339 - scroll_top)
6340 .into();
6341 let end_y = start_y + line_height;
6342 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6343 let highlight_size = size(gutter_strip_width, end_y - start_y);
6344 Bounds::new(highlight_origin, highlight_size)
6345 }
6346 DisplayDiffHunk::Unfolded {
6347 display_row_range,
6348 status,
6349 ..
6350 } => {
6351 if status.is_deleted() && display_row_range.is_empty() {
6352 let row = display_row_range.start;
6353
6354 let offset = ScrollPixelOffset::from(line_height / 2.);
6355 let start_y =
6356 (row.as_f64() * ScrollPixelOffset::from(line_height) - offset - scroll_top)
6357 .into();
6358 let end_y = start_y + line_height;
6359
6360 let width = (0.35 * line_height).floor();
6361 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6362 let highlight_size = size(width, end_y - start_y);
6363 Bounds::new(highlight_origin, highlight_size)
6364 } else {
6365 let start_row = display_row_range.start;
6366 let end_row = display_row_range.end;
6367 // If we're in a multibuffer, row range span might include an
6368 // excerpt header, so if we were to draw the marker straight away,
6369 // the hunk might include the rows of that header.
6370 // Making the range inclusive doesn't quite cut it, as we rely on the exclusivity for the soft wrap.
6371 // Instead, we simply check whether the range we're dealing with includes
6372 // any excerpt headers and if so, we stop painting the diff hunk on the first row of that header.
6373 let end_row_in_current_excerpt = snapshot
6374 .blocks_in_range(start_row..end_row)
6375 .find_map(|(start_row, block)| {
6376 if matches!(
6377 block,
6378 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
6379 ) {
6380 Some(start_row)
6381 } else {
6382 None
6383 }
6384 })
6385 .unwrap_or(end_row);
6386
6387 let start_y = (start_row.as_f64() * ScrollPixelOffset::from(line_height)
6388 - scroll_top)
6389 .into();
6390 let end_y = Pixels::from(
6391 end_row_in_current_excerpt.as_f64() * ScrollPixelOffset::from(line_height)
6392 - scroll_top,
6393 );
6394
6395 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6396 let highlight_size = size(gutter_strip_width, end_y - start_y);
6397 Bounds::new(highlight_origin, highlight_size)
6398 }
6399 }
6400 }
6401 }
6402
6403 fn paint_gutter_indicators(
6404 &self,
6405 layout: &mut EditorLayout,
6406 window: &mut Window,
6407 cx: &mut App,
6408 ) {
6409 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6410 window.with_element_namespace("crease_toggles", |window| {
6411 for crease_toggle in layout.crease_toggles.iter_mut().flatten() {
6412 crease_toggle.paint(window, cx);
6413 }
6414 });
6415
6416 window.with_element_namespace("expand_toggles", |window| {
6417 for (expand_toggle, _) in layout.expand_toggles.iter_mut().flatten() {
6418 expand_toggle.paint(window, cx);
6419 }
6420 });
6421
6422 for breakpoint in layout.breakpoints.iter_mut() {
6423 breakpoint.paint(window, cx);
6424 }
6425
6426 for test_indicator in layout.test_indicators.iter_mut() {
6427 test_indicator.paint(window, cx);
6428 }
6429
6430 if let Some(diff_review_button) = layout.diff_review_button.as_mut() {
6431 diff_review_button.paint(window, cx);
6432 }
6433 });
6434 }
6435
6436 fn paint_gutter_highlights(
6437 &self,
6438 layout: &mut EditorLayout,
6439 window: &mut Window,
6440 cx: &mut App,
6441 ) {
6442 for (_, hunk_hitbox) in &layout.display_hunks {
6443 if let Some(hunk_hitbox) = hunk_hitbox
6444 && !self
6445 .editor
6446 .read(cx)
6447 .buffer()
6448 .read(cx)
6449 .all_diff_hunks_expanded()
6450 {
6451 window.set_cursor_style(CursorStyle::PointingHand, hunk_hitbox);
6452 }
6453 }
6454
6455 let show_git_gutter = layout
6456 .position_map
6457 .snapshot
6458 .show_git_diff_gutter
6459 .unwrap_or_else(|| {
6460 matches!(
6461 ProjectSettings::get_global(cx).git.git_gutter,
6462 GitGutterSetting::TrackedFiles
6463 )
6464 });
6465 if show_git_gutter {
6466 Self::paint_gutter_diff_hunks(layout, self.split_side, window, cx)
6467 }
6468
6469 let highlight_width = 0.275 * layout.position_map.line_height;
6470 let highlight_corner_radii = Corners::all(0.05 * layout.position_map.line_height);
6471 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6472 for (range, color) in &layout.highlighted_gutter_ranges {
6473 let start_row = if range.start.row() < layout.visible_display_row_range.start {
6474 layout.visible_display_row_range.start - DisplayRow(1)
6475 } else {
6476 range.start.row()
6477 };
6478 let end_row = if range.end.row() > layout.visible_display_row_range.end {
6479 layout.visible_display_row_range.end + DisplayRow(1)
6480 } else {
6481 range.end.row()
6482 };
6483
6484 let start_y = layout.gutter_hitbox.top()
6485 + Pixels::from(
6486 start_row.0 as f64
6487 * ScrollPixelOffset::from(layout.position_map.line_height)
6488 - layout.position_map.scroll_pixel_position.y,
6489 );
6490 let end_y = layout.gutter_hitbox.top()
6491 + Pixels::from(
6492 (end_row.0 + 1) as f64
6493 * ScrollPixelOffset::from(layout.position_map.line_height)
6494 - layout.position_map.scroll_pixel_position.y,
6495 );
6496 let bounds = Bounds::from_corners(
6497 point(layout.gutter_hitbox.left(), start_y),
6498 point(layout.gutter_hitbox.left() + highlight_width, end_y),
6499 );
6500 window.paint_quad(fill(bounds, *color).corner_radii(highlight_corner_radii));
6501 }
6502 });
6503 }
6504
6505 fn paint_blamed_display_rows(
6506 &self,
6507 layout: &mut EditorLayout,
6508 window: &mut Window,
6509 cx: &mut App,
6510 ) {
6511 let Some(blamed_display_rows) = layout.blamed_display_rows.take() else {
6512 return;
6513 };
6514
6515 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6516 for mut blame_element in blamed_display_rows.into_iter() {
6517 blame_element.paint(window, cx);
6518 }
6519 })
6520 }
6521
6522 fn paint_text(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6523 window.with_content_mask(
6524 Some(ContentMask {
6525 bounds: layout.position_map.text_hitbox.bounds,
6526 }),
6527 |window| {
6528 let editor = self.editor.read(cx);
6529 if editor.mouse_cursor_hidden {
6530 window.set_window_cursor_style(CursorStyle::None);
6531 } else if let SelectionDragState::ReadyToDrag {
6532 mouse_down_time, ..
6533 } = &editor.selection_drag_state
6534 {
6535 let drag_and_drop_delay = Duration::from_millis(
6536 EditorSettings::get_global(cx)
6537 .drag_and_drop_selection
6538 .delay
6539 .0,
6540 );
6541 if mouse_down_time.elapsed() >= drag_and_drop_delay {
6542 window.set_cursor_style(
6543 CursorStyle::DragCopy,
6544 &layout.position_map.text_hitbox,
6545 );
6546 }
6547 } else if matches!(
6548 editor.selection_drag_state,
6549 SelectionDragState::Dragging { .. }
6550 ) {
6551 window
6552 .set_cursor_style(CursorStyle::DragCopy, &layout.position_map.text_hitbox);
6553 } else if editor
6554 .hovered_link_state
6555 .as_ref()
6556 .is_some_and(|hovered_link_state| !hovered_link_state.links.is_empty())
6557 {
6558 window.set_cursor_style(
6559 CursorStyle::PointingHand,
6560 &layout.position_map.text_hitbox,
6561 );
6562 } else {
6563 window.set_cursor_style(CursorStyle::IBeam, &layout.position_map.text_hitbox);
6564 };
6565
6566 self.paint_lines_background(layout, window, cx);
6567 let invisible_display_ranges = self.paint_highlights(layout, window, cx);
6568 self.paint_document_colors(layout, window);
6569 self.paint_lines(&invisible_display_ranges, layout, window, cx);
6570 self.paint_redactions(layout, window);
6571 self.paint_cursors(layout, window, cx);
6572 self.paint_inline_diagnostics(layout, window, cx);
6573 self.paint_inline_blame(layout, window, cx);
6574 self.paint_inline_code_actions(layout, window, cx);
6575 self.paint_diff_hunk_controls(layout, window, cx);
6576 window.with_element_namespace("crease_trailers", |window| {
6577 for trailer in layout.crease_trailers.iter_mut().flatten() {
6578 trailer.element.paint(window, cx);
6579 }
6580 });
6581 },
6582 )
6583 }
6584
6585 fn paint_highlights(
6586 &mut self,
6587 layout: &mut EditorLayout,
6588 window: &mut Window,
6589 cx: &mut App,
6590 ) -> SmallVec<[Range<DisplayPoint>; 32]> {
6591 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6592 let mut invisible_display_ranges = SmallVec::<[Range<DisplayPoint>; 32]>::new();
6593 let line_end_overshoot = 0.15 * layout.position_map.line_height;
6594 for (range, color) in &layout.highlighted_ranges {
6595 self.paint_highlighted_range(
6596 range.clone(),
6597 true,
6598 *color,
6599 Pixels::ZERO,
6600 line_end_overshoot,
6601 layout,
6602 window,
6603 );
6604 }
6605
6606 let corner_radius = if EditorSettings::get_global(cx).rounded_selection {
6607 0.15 * layout.position_map.line_height
6608 } else {
6609 Pixels::ZERO
6610 };
6611
6612 for (player_color, selections) in &layout.selections {
6613 for selection in selections.iter() {
6614 self.paint_highlighted_range(
6615 selection.range.clone(),
6616 true,
6617 player_color.selection,
6618 corner_radius,
6619 corner_radius * 2.,
6620 layout,
6621 window,
6622 );
6623
6624 if selection.is_local && !selection.range.is_empty() {
6625 invisible_display_ranges.push(selection.range.clone());
6626 }
6627 }
6628 }
6629 invisible_display_ranges
6630 })
6631 }
6632
6633 fn paint_lines(
6634 &mut self,
6635 invisible_display_ranges: &[Range<DisplayPoint>],
6636 layout: &mut EditorLayout,
6637 window: &mut Window,
6638 cx: &mut App,
6639 ) {
6640 let whitespace_setting = self
6641 .editor
6642 .read(cx)
6643 .buffer
6644 .read(cx)
6645 .language_settings(cx)
6646 .show_whitespaces;
6647
6648 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6649 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6650 line_with_invisibles.draw(
6651 layout,
6652 row,
6653 layout.content_origin,
6654 whitespace_setting,
6655 invisible_display_ranges,
6656 window,
6657 cx,
6658 )
6659 }
6660
6661 for line_element in &mut layout.line_elements {
6662 line_element.paint(window, cx);
6663 }
6664 }
6665
6666 fn paint_sticky_headers(
6667 &mut self,
6668 layout: &mut EditorLayout,
6669 window: &mut Window,
6670 cx: &mut App,
6671 ) {
6672 let Some(mut sticky_headers) = layout.sticky_headers.take() else {
6673 return;
6674 };
6675
6676 if sticky_headers.lines.is_empty() {
6677 layout.sticky_headers = Some(sticky_headers);
6678 return;
6679 }
6680
6681 let whitespace_setting = self
6682 .editor
6683 .read(cx)
6684 .buffer
6685 .read(cx)
6686 .language_settings(cx)
6687 .show_whitespaces;
6688 sticky_headers.paint(layout, whitespace_setting, window, cx);
6689
6690 let sticky_header_hitboxes: Vec<Hitbox> = sticky_headers
6691 .lines
6692 .iter()
6693 .map(|line| line.hitbox.clone())
6694 .collect();
6695 let hovered_hitbox = sticky_header_hitboxes
6696 .iter()
6697 .find_map(|hitbox| hitbox.is_hovered(window).then_some(hitbox.id));
6698
6699 window.on_mouse_event(move |_: &MouseMoveEvent, phase, window, _cx| {
6700 if !phase.bubble() {
6701 return;
6702 }
6703
6704 let current_hover = sticky_header_hitboxes
6705 .iter()
6706 .find_map(|hitbox| hitbox.is_hovered(window).then_some(hitbox.id));
6707 if hovered_hitbox != current_hover {
6708 window.refresh();
6709 }
6710 });
6711
6712 for (line_index, line) in sticky_headers.lines.iter().enumerate() {
6713 let editor = self.editor.clone();
6714 let hitbox = line.hitbox.clone();
6715 let target_anchor = line.target_anchor;
6716 window.on_mouse_event(move |event: &MouseDownEvent, phase, window, cx| {
6717 if !phase.bubble() {
6718 return;
6719 }
6720
6721 if event.button == MouseButton::Left && hitbox.is_hovered(window) {
6722 editor.update(cx, |editor, cx| {
6723 editor.change_selections(
6724 SelectionEffects::scroll(Autoscroll::top_relative(line_index)),
6725 window,
6726 cx,
6727 |selections| selections.select_ranges([target_anchor..target_anchor]),
6728 );
6729 cx.stop_propagation();
6730 });
6731 }
6732 });
6733 }
6734
6735 let text_bounds = layout.position_map.text_hitbox.bounds;
6736 let border_top = text_bounds.top()
6737 + sticky_headers.lines.last().unwrap().offset
6738 + layout.position_map.line_height;
6739 let separator_height = px(1.);
6740 let border_bounds = Bounds::from_corners(
6741 point(layout.gutter_hitbox.bounds.left(), border_top),
6742 point(text_bounds.right(), border_top + separator_height),
6743 );
6744 window.paint_quad(fill(border_bounds, cx.theme().colors().border_variant));
6745
6746 layout.sticky_headers = Some(sticky_headers);
6747 }
6748
6749 fn paint_lines_background(
6750 &mut self,
6751 layout: &mut EditorLayout,
6752 window: &mut Window,
6753 cx: &mut App,
6754 ) {
6755 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6756 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6757 line_with_invisibles.draw_background(layout, row, layout.content_origin, window, cx);
6758 }
6759 }
6760
6761 fn paint_redactions(&mut self, layout: &EditorLayout, window: &mut Window) {
6762 if layout.redacted_ranges.is_empty() {
6763 return;
6764 }
6765
6766 let line_end_overshoot = layout.line_end_overshoot();
6767
6768 // A softer than perfect black
6769 let redaction_color = gpui::rgb(0x0e1111);
6770
6771 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6772 for range in layout.redacted_ranges.iter() {
6773 self.paint_highlighted_range(
6774 range.clone(),
6775 true,
6776 redaction_color.into(),
6777 Pixels::ZERO,
6778 line_end_overshoot,
6779 layout,
6780 window,
6781 );
6782 }
6783 });
6784 }
6785
6786 fn paint_document_colors(&self, layout: &mut EditorLayout, window: &mut Window) {
6787 let Some((colors_render_mode, image_colors)) = &layout.document_colors else {
6788 return;
6789 };
6790 if image_colors.is_empty()
6791 || colors_render_mode == &DocumentColorsRenderMode::None
6792 || colors_render_mode == &DocumentColorsRenderMode::Inlay
6793 {
6794 return;
6795 }
6796
6797 let line_end_overshoot = layout.line_end_overshoot();
6798
6799 for (range, color) in image_colors {
6800 match colors_render_mode {
6801 DocumentColorsRenderMode::Inlay | DocumentColorsRenderMode::None => return,
6802 DocumentColorsRenderMode::Background => {
6803 self.paint_highlighted_range(
6804 range.clone(),
6805 true,
6806 *color,
6807 Pixels::ZERO,
6808 line_end_overshoot,
6809 layout,
6810 window,
6811 );
6812 }
6813 DocumentColorsRenderMode::Border => {
6814 self.paint_highlighted_range(
6815 range.clone(),
6816 false,
6817 *color,
6818 Pixels::ZERO,
6819 line_end_overshoot,
6820 layout,
6821 window,
6822 );
6823 }
6824 }
6825 }
6826 }
6827
6828 fn paint_cursors(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6829 for cursor in &mut layout.visible_cursors {
6830 cursor.paint(layout.content_origin, window, cx);
6831 }
6832 }
6833
6834 fn paint_scrollbars(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6835 let Some(scrollbars_layout) = layout.scrollbars_layout.take() else {
6836 return;
6837 };
6838 let any_scrollbar_dragged = self.editor.read(cx).scroll_manager.any_scrollbar_dragged();
6839
6840 for (scrollbar_layout, axis) in scrollbars_layout.iter_scrollbars() {
6841 let hitbox = &scrollbar_layout.hitbox;
6842 if scrollbars_layout.visible {
6843 let scrollbar_edges = match axis {
6844 ScrollbarAxis::Horizontal => Edges {
6845 top: Pixels::ZERO,
6846 right: Pixels::ZERO,
6847 bottom: Pixels::ZERO,
6848 left: Pixels::ZERO,
6849 },
6850 ScrollbarAxis::Vertical => Edges {
6851 top: Pixels::ZERO,
6852 right: Pixels::ZERO,
6853 bottom: Pixels::ZERO,
6854 left: ScrollbarLayout::BORDER_WIDTH,
6855 },
6856 };
6857
6858 window.paint_layer(hitbox.bounds, |window| {
6859 window.paint_quad(quad(
6860 hitbox.bounds,
6861 Corners::default(),
6862 cx.theme().colors().scrollbar_track_background,
6863 scrollbar_edges,
6864 cx.theme().colors().scrollbar_track_border,
6865 BorderStyle::Solid,
6866 ));
6867
6868 if axis == ScrollbarAxis::Vertical {
6869 let fast_markers =
6870 self.collect_fast_scrollbar_markers(layout, scrollbar_layout, cx);
6871 // Refresh slow scrollbar markers in the background. Below, we
6872 // paint whatever markers have already been computed.
6873 self.refresh_slow_scrollbar_markers(layout, scrollbar_layout, window, cx);
6874
6875 let markers = self.editor.read(cx).scrollbar_marker_state.markers.clone();
6876 for marker in markers.iter().chain(&fast_markers) {
6877 let mut marker = marker.clone();
6878 marker.bounds.origin += hitbox.origin;
6879 window.paint_quad(marker);
6880 }
6881 }
6882
6883 if let Some(thumb_bounds) = scrollbar_layout.thumb_bounds {
6884 let scrollbar_thumb_color = match scrollbar_layout.thumb_state {
6885 ScrollbarThumbState::Dragging => {
6886 cx.theme().colors().scrollbar_thumb_active_background
6887 }
6888 ScrollbarThumbState::Hovered => {
6889 cx.theme().colors().scrollbar_thumb_hover_background
6890 }
6891 ScrollbarThumbState::Idle => {
6892 cx.theme().colors().scrollbar_thumb_background
6893 }
6894 };
6895 window.paint_quad(quad(
6896 thumb_bounds,
6897 Corners::default(),
6898 scrollbar_thumb_color,
6899 scrollbar_edges,
6900 cx.theme().colors().scrollbar_thumb_border,
6901 BorderStyle::Solid,
6902 ));
6903
6904 if any_scrollbar_dragged {
6905 window.set_window_cursor_style(CursorStyle::Arrow);
6906 } else {
6907 window.set_cursor_style(CursorStyle::Arrow, hitbox);
6908 }
6909 }
6910 })
6911 }
6912 }
6913
6914 window.on_mouse_event({
6915 let editor = self.editor.clone();
6916 let scrollbars_layout = scrollbars_layout.clone();
6917
6918 let mut mouse_position = window.mouse_position();
6919 move |event: &MouseMoveEvent, phase, window, cx| {
6920 if phase == DispatchPhase::Capture {
6921 return;
6922 }
6923
6924 editor.update(cx, |editor, cx| {
6925 if let Some((scrollbar_layout, axis)) = event
6926 .pressed_button
6927 .filter(|button| *button == MouseButton::Left)
6928 .and(editor.scroll_manager.dragging_scrollbar_axis())
6929 .and_then(|axis| {
6930 scrollbars_layout
6931 .iter_scrollbars()
6932 .find(|(_, a)| *a == axis)
6933 })
6934 {
6935 let ScrollbarLayout {
6936 hitbox,
6937 text_unit_size,
6938 ..
6939 } = scrollbar_layout;
6940
6941 let old_position = mouse_position.along(axis);
6942 let new_position = event.position.along(axis);
6943 if (hitbox.origin.along(axis)..hitbox.bottom_right().along(axis))
6944 .contains(&old_position)
6945 {
6946 let position = editor.scroll_position(cx).apply_along(axis, |p| {
6947 (p + ScrollOffset::from(
6948 (new_position - old_position) / *text_unit_size,
6949 ))
6950 .max(0.)
6951 });
6952 editor.set_scroll_position(position, window, cx);
6953 }
6954
6955 editor.scroll_manager.show_scrollbars(window, cx);
6956 cx.stop_propagation();
6957 } else if let Some((layout, axis)) = scrollbars_layout
6958 .get_hovered_axis(window)
6959 .filter(|_| !event.dragging())
6960 {
6961 if layout.thumb_hovered(&event.position) {
6962 editor
6963 .scroll_manager
6964 .set_hovered_scroll_thumb_axis(axis, cx);
6965 } else {
6966 editor.scroll_manager.reset_scrollbar_state(cx);
6967 }
6968
6969 editor.scroll_manager.show_scrollbars(window, cx);
6970 } else {
6971 editor.scroll_manager.reset_scrollbar_state(cx);
6972 }
6973
6974 mouse_position = event.position;
6975 })
6976 }
6977 });
6978
6979 if any_scrollbar_dragged {
6980 window.on_mouse_event({
6981 let editor = self.editor.clone();
6982 move |_: &MouseUpEvent, phase, window, cx| {
6983 if phase == DispatchPhase::Capture {
6984 return;
6985 }
6986
6987 editor.update(cx, |editor, cx| {
6988 if let Some((_, axis)) = scrollbars_layout.get_hovered_axis(window) {
6989 editor
6990 .scroll_manager
6991 .set_hovered_scroll_thumb_axis(axis, cx);
6992 } else {
6993 editor.scroll_manager.reset_scrollbar_state(cx);
6994 }
6995 cx.stop_propagation();
6996 });
6997 }
6998 });
6999 } else {
7000 window.on_mouse_event({
7001 let editor = self.editor.clone();
7002
7003 move |event: &MouseDownEvent, phase, window, cx| {
7004 if phase == DispatchPhase::Capture {
7005 return;
7006 }
7007 let Some((scrollbar_layout, axis)) = scrollbars_layout.get_hovered_axis(window)
7008 else {
7009 return;
7010 };
7011
7012 let ScrollbarLayout {
7013 hitbox,
7014 visible_range,
7015 text_unit_size,
7016 thumb_bounds,
7017 ..
7018 } = scrollbar_layout;
7019
7020 let Some(thumb_bounds) = thumb_bounds else {
7021 return;
7022 };
7023
7024 editor.update(cx, |editor, cx| {
7025 editor
7026 .scroll_manager
7027 .set_dragged_scroll_thumb_axis(axis, cx);
7028
7029 let event_position = event.position.along(axis);
7030
7031 if event_position < thumb_bounds.origin.along(axis)
7032 || thumb_bounds.bottom_right().along(axis) < event_position
7033 {
7034 let center_position = ((event_position - hitbox.origin.along(axis))
7035 / *text_unit_size)
7036 .round() as u32;
7037 let start_position = center_position.saturating_sub(
7038 (visible_range.end - visible_range.start) as u32 / 2,
7039 );
7040
7041 let position = editor
7042 .scroll_position(cx)
7043 .apply_along(axis, |_| start_position as ScrollOffset);
7044
7045 editor.set_scroll_position(position, window, cx);
7046 } else {
7047 editor.scroll_manager.show_scrollbars(window, cx);
7048 }
7049
7050 cx.stop_propagation();
7051 });
7052 }
7053 });
7054 }
7055 }
7056
7057 fn collect_fast_scrollbar_markers(
7058 &self,
7059 layout: &EditorLayout,
7060 scrollbar_layout: &ScrollbarLayout,
7061 cx: &mut App,
7062 ) -> Vec<PaintQuad> {
7063 const LIMIT: usize = 100;
7064 if !EditorSettings::get_global(cx).scrollbar.cursors || layout.cursors.len() > LIMIT {
7065 return vec![];
7066 }
7067 let cursor_ranges = layout
7068 .cursors
7069 .iter()
7070 .map(|(point, color)| ColoredRange {
7071 start: point.row(),
7072 end: point.row(),
7073 color: *color,
7074 })
7075 .collect_vec();
7076 scrollbar_layout.marker_quads_for_ranges(cursor_ranges, None)
7077 }
7078
7079 fn refresh_slow_scrollbar_markers(
7080 &self,
7081 layout: &EditorLayout,
7082 scrollbar_layout: &ScrollbarLayout,
7083 window: &mut Window,
7084 cx: &mut App,
7085 ) {
7086 self.editor.update(cx, |editor, cx| {
7087 if editor.buffer_kind(cx) != ItemBufferKind::Singleton
7088 || !editor
7089 .scrollbar_marker_state
7090 .should_refresh(scrollbar_layout.hitbox.size)
7091 {
7092 return;
7093 }
7094
7095 let scrollbar_layout = scrollbar_layout.clone();
7096 let background_highlights = editor.background_highlights.clone();
7097 let snapshot = layout.position_map.snapshot.clone();
7098 let theme = cx.theme().clone();
7099 let scrollbar_settings = EditorSettings::get_global(cx).scrollbar;
7100
7101 editor.scrollbar_marker_state.dirty = false;
7102 editor.scrollbar_marker_state.pending_refresh =
7103 Some(cx.spawn_in(window, async move |editor, cx| {
7104 let scrollbar_size = scrollbar_layout.hitbox.size;
7105 let scrollbar_markers = cx
7106 .background_spawn(async move {
7107 let max_point = snapshot.display_snapshot.buffer_snapshot().max_point();
7108 let mut marker_quads = Vec::new();
7109 if scrollbar_settings.git_diff {
7110 let marker_row_ranges =
7111 snapshot.buffer_snapshot().diff_hunks().map(|hunk| {
7112 let start_display_row =
7113 MultiBufferPoint::new(hunk.row_range.start.0, 0)
7114 .to_display_point(&snapshot.display_snapshot)
7115 .row();
7116 let mut end_display_row =
7117 MultiBufferPoint::new(hunk.row_range.end.0, 0)
7118 .to_display_point(&snapshot.display_snapshot)
7119 .row();
7120 if end_display_row != start_display_row {
7121 end_display_row.0 -= 1;
7122 }
7123 let color = match &hunk.status().kind {
7124 DiffHunkStatusKind::Added => {
7125 theme.colors().version_control_added
7126 }
7127 DiffHunkStatusKind::Modified => {
7128 theme.colors().version_control_modified
7129 }
7130 DiffHunkStatusKind::Deleted => {
7131 theme.colors().version_control_deleted
7132 }
7133 };
7134 ColoredRange {
7135 start: start_display_row,
7136 end: end_display_row,
7137 color,
7138 }
7139 });
7140
7141 marker_quads.extend(
7142 scrollbar_layout
7143 .marker_quads_for_ranges(marker_row_ranges, Some(0)),
7144 );
7145 }
7146
7147 for (background_highlight_id, (_, background_ranges)) in
7148 background_highlights.iter()
7149 {
7150 let is_search_highlights = *background_highlight_id
7151 == HighlightKey::BufferSearchHighlights;
7152 let is_text_highlights =
7153 *background_highlight_id == HighlightKey::SelectedTextHighlight;
7154 let is_symbol_occurrences = *background_highlight_id
7155 == HighlightKey::DocumentHighlightRead
7156 || *background_highlight_id
7157 == HighlightKey::DocumentHighlightWrite;
7158 if (is_search_highlights && scrollbar_settings.search_results)
7159 || (is_text_highlights && scrollbar_settings.selected_text)
7160 || (is_symbol_occurrences && scrollbar_settings.selected_symbol)
7161 {
7162 let mut color = theme.status().info;
7163 if is_symbol_occurrences {
7164 color.fade_out(0.5);
7165 }
7166 let marker_row_ranges = background_ranges.iter().map(|range| {
7167 let display_start = range
7168 .start
7169 .to_display_point(&snapshot.display_snapshot);
7170 let display_end =
7171 range.end.to_display_point(&snapshot.display_snapshot);
7172 ColoredRange {
7173 start: display_start.row(),
7174 end: display_end.row(),
7175 color,
7176 }
7177 });
7178 marker_quads.extend(
7179 scrollbar_layout
7180 .marker_quads_for_ranges(marker_row_ranges, Some(1)),
7181 );
7182 }
7183 }
7184
7185 if scrollbar_settings.diagnostics != ScrollbarDiagnostics::None {
7186 let diagnostics = snapshot
7187 .buffer_snapshot()
7188 .diagnostics_in_range::<Point>(Point::zero()..max_point)
7189 // Don't show diagnostics the user doesn't care about
7190 .filter(|diagnostic| {
7191 match (
7192 scrollbar_settings.diagnostics,
7193 diagnostic.diagnostic.severity,
7194 ) {
7195 (ScrollbarDiagnostics::All, _) => true,
7196 (
7197 ScrollbarDiagnostics::Error,
7198 lsp::DiagnosticSeverity::ERROR,
7199 ) => true,
7200 (
7201 ScrollbarDiagnostics::Warning,
7202 lsp::DiagnosticSeverity::ERROR
7203 | lsp::DiagnosticSeverity::WARNING,
7204 ) => true,
7205 (
7206 ScrollbarDiagnostics::Information,
7207 lsp::DiagnosticSeverity::ERROR
7208 | lsp::DiagnosticSeverity::WARNING
7209 | lsp::DiagnosticSeverity::INFORMATION,
7210 ) => true,
7211 (_, _) => false,
7212 }
7213 })
7214 // We want to sort by severity, in order to paint the most severe diagnostics last.
7215 .sorted_by_key(|diagnostic| {
7216 std::cmp::Reverse(diagnostic.diagnostic.severity)
7217 });
7218
7219 let marker_row_ranges = diagnostics.into_iter().map(|diagnostic| {
7220 let start_display = diagnostic
7221 .range
7222 .start
7223 .to_display_point(&snapshot.display_snapshot);
7224 let end_display = diagnostic
7225 .range
7226 .end
7227 .to_display_point(&snapshot.display_snapshot);
7228 let color = match diagnostic.diagnostic.severity {
7229 lsp::DiagnosticSeverity::ERROR => theme.status().error,
7230 lsp::DiagnosticSeverity::WARNING => theme.status().warning,
7231 lsp::DiagnosticSeverity::INFORMATION => theme.status().info,
7232 _ => theme.status().hint,
7233 };
7234 ColoredRange {
7235 start: start_display.row(),
7236 end: end_display.row(),
7237 color,
7238 }
7239 });
7240 marker_quads.extend(
7241 scrollbar_layout
7242 .marker_quads_for_ranges(marker_row_ranges, Some(2)),
7243 );
7244 }
7245
7246 Arc::from(marker_quads)
7247 })
7248 .await;
7249
7250 editor.update(cx, |editor, cx| {
7251 editor.scrollbar_marker_state.markers = scrollbar_markers;
7252 editor.scrollbar_marker_state.scrollbar_size = scrollbar_size;
7253 editor.scrollbar_marker_state.pending_refresh = None;
7254 cx.notify();
7255 })?;
7256
7257 Ok(())
7258 }));
7259 });
7260 }
7261
7262 fn paint_highlighted_range(
7263 &self,
7264 range: Range<DisplayPoint>,
7265 fill: bool,
7266 color: Hsla,
7267 corner_radius: Pixels,
7268 line_end_overshoot: Pixels,
7269 layout: &EditorLayout,
7270 window: &mut Window,
7271 ) {
7272 let start_row = layout.visible_display_row_range.start;
7273 let end_row = layout.visible_display_row_range.end;
7274 if range.start != range.end {
7275 let row_range = if range.end.column() == 0 {
7276 cmp::max(range.start.row(), start_row)..cmp::min(range.end.row(), end_row)
7277 } else {
7278 cmp::max(range.start.row(), start_row)
7279 ..cmp::min(range.end.row().next_row(), end_row)
7280 };
7281
7282 let highlighted_range = HighlightedRange {
7283 color,
7284 line_height: layout.position_map.line_height,
7285 corner_radius,
7286 start_y: layout.content_origin.y
7287 + Pixels::from(
7288 (row_range.start.as_f64() - layout.position_map.scroll_position.y)
7289 * ScrollOffset::from(layout.position_map.line_height),
7290 ),
7291 lines: row_range
7292 .iter_rows()
7293 .map(|row| {
7294 let line_layout =
7295 &layout.position_map.line_layouts[row.minus(start_row) as usize];
7296 let alignment_offset =
7297 line_layout.alignment_offset(layout.text_align, layout.content_width);
7298 HighlightedRangeLine {
7299 start_x: if row == range.start.row() {
7300 layout.content_origin.x
7301 + Pixels::from(
7302 ScrollPixelOffset::from(
7303 line_layout.x_for_index(range.start.column() as usize)
7304 + alignment_offset,
7305 ) - layout.position_map.scroll_pixel_position.x,
7306 )
7307 } else {
7308 layout.content_origin.x + alignment_offset
7309 - Pixels::from(layout.position_map.scroll_pixel_position.x)
7310 },
7311 end_x: if row == range.end.row() {
7312 layout.content_origin.x
7313 + Pixels::from(
7314 ScrollPixelOffset::from(
7315 line_layout.x_for_index(range.end.column() as usize)
7316 + alignment_offset,
7317 ) - layout.position_map.scroll_pixel_position.x,
7318 )
7319 } else {
7320 Pixels::from(
7321 ScrollPixelOffset::from(
7322 layout.content_origin.x
7323 + line_layout.width
7324 + alignment_offset
7325 + line_end_overshoot,
7326 ) - layout.position_map.scroll_pixel_position.x,
7327 )
7328 },
7329 }
7330 })
7331 .collect(),
7332 };
7333
7334 highlighted_range.paint(fill, layout.position_map.text_hitbox.bounds, window);
7335 }
7336 }
7337
7338 fn paint_inline_diagnostics(
7339 &mut self,
7340 layout: &mut EditorLayout,
7341 window: &mut Window,
7342 cx: &mut App,
7343 ) {
7344 for mut inline_diagnostic in layout.inline_diagnostics.drain() {
7345 inline_diagnostic.1.paint(window, cx);
7346 }
7347 }
7348
7349 fn paint_inline_blame(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
7350 if let Some(mut blame_layout) = layout.inline_blame_layout.take() {
7351 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
7352 blame_layout.element.paint(window, cx);
7353 })
7354 }
7355 }
7356
7357 fn paint_inline_code_actions(
7358 &mut self,
7359 layout: &mut EditorLayout,
7360 window: &mut Window,
7361 cx: &mut App,
7362 ) {
7363 if let Some(mut inline_code_actions) = layout.inline_code_actions.take() {
7364 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
7365 inline_code_actions.paint(window, cx);
7366 })
7367 }
7368 }
7369
7370 fn paint_diff_hunk_controls(
7371 &mut self,
7372 layout: &mut EditorLayout,
7373 window: &mut Window,
7374 cx: &mut App,
7375 ) {
7376 for mut diff_hunk_control in layout.diff_hunk_controls.drain(..) {
7377 diff_hunk_control.paint(window, cx);
7378 }
7379 }
7380
7381 fn paint_minimap(&self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
7382 if let Some(mut layout) = layout.minimap.take() {
7383 let minimap_hitbox = layout.thumb_layout.hitbox.clone();
7384 let dragging_minimap = self.editor.read(cx).scroll_manager.is_dragging_minimap();
7385
7386 window.paint_layer(layout.thumb_layout.hitbox.bounds, |window| {
7387 window.with_element_namespace("minimap", |window| {
7388 layout.minimap.paint(window, cx);
7389 if let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds {
7390 let minimap_thumb_color = match layout.thumb_layout.thumb_state {
7391 ScrollbarThumbState::Idle => {
7392 cx.theme().colors().minimap_thumb_background
7393 }
7394 ScrollbarThumbState::Hovered => {
7395 cx.theme().colors().minimap_thumb_hover_background
7396 }
7397 ScrollbarThumbState::Dragging => {
7398 cx.theme().colors().minimap_thumb_active_background
7399 }
7400 };
7401 let minimap_thumb_border = match layout.thumb_border_style {
7402 MinimapThumbBorder::Full => Edges::all(ScrollbarLayout::BORDER_WIDTH),
7403 MinimapThumbBorder::LeftOnly => Edges {
7404 left: ScrollbarLayout::BORDER_WIDTH,
7405 ..Default::default()
7406 },
7407 MinimapThumbBorder::LeftOpen => Edges {
7408 right: ScrollbarLayout::BORDER_WIDTH,
7409 top: ScrollbarLayout::BORDER_WIDTH,
7410 bottom: ScrollbarLayout::BORDER_WIDTH,
7411 ..Default::default()
7412 },
7413 MinimapThumbBorder::RightOpen => Edges {
7414 left: ScrollbarLayout::BORDER_WIDTH,
7415 top: ScrollbarLayout::BORDER_WIDTH,
7416 bottom: ScrollbarLayout::BORDER_WIDTH,
7417 ..Default::default()
7418 },
7419 MinimapThumbBorder::None => Default::default(),
7420 };
7421
7422 window.paint_layer(minimap_hitbox.bounds, |window| {
7423 window.paint_quad(quad(
7424 thumb_bounds,
7425 Corners::default(),
7426 minimap_thumb_color,
7427 minimap_thumb_border,
7428 cx.theme().colors().minimap_thumb_border,
7429 BorderStyle::Solid,
7430 ));
7431 });
7432 }
7433 });
7434 });
7435
7436 if dragging_minimap {
7437 window.set_window_cursor_style(CursorStyle::Arrow);
7438 } else {
7439 window.set_cursor_style(CursorStyle::Arrow, &minimap_hitbox);
7440 }
7441
7442 let minimap_axis = ScrollbarAxis::Vertical;
7443 let pixels_per_line = Pixels::from(
7444 ScrollPixelOffset::from(minimap_hitbox.size.height) / layout.max_scroll_top,
7445 )
7446 .min(layout.minimap_line_height);
7447
7448 let mut mouse_position = window.mouse_position();
7449
7450 window.on_mouse_event({
7451 let editor = self.editor.clone();
7452
7453 let minimap_hitbox = minimap_hitbox.clone();
7454
7455 move |event: &MouseMoveEvent, phase, window, cx| {
7456 if phase == DispatchPhase::Capture {
7457 return;
7458 }
7459
7460 editor.update(cx, |editor, cx| {
7461 if event.pressed_button == Some(MouseButton::Left)
7462 && editor.scroll_manager.is_dragging_minimap()
7463 {
7464 let old_position = mouse_position.along(minimap_axis);
7465 let new_position = event.position.along(minimap_axis);
7466 if (minimap_hitbox.origin.along(minimap_axis)
7467 ..minimap_hitbox.bottom_right().along(minimap_axis))
7468 .contains(&old_position)
7469 {
7470 let position =
7471 editor.scroll_position(cx).apply_along(minimap_axis, |p| {
7472 (p + ScrollPixelOffset::from(
7473 (new_position - old_position) / pixels_per_line,
7474 ))
7475 .max(0.)
7476 });
7477
7478 editor.set_scroll_position(position, window, cx);
7479 }
7480 cx.stop_propagation();
7481 } else if minimap_hitbox.is_hovered(window) {
7482 editor.scroll_manager.set_is_hovering_minimap_thumb(
7483 !event.dragging()
7484 && layout
7485 .thumb_layout
7486 .thumb_bounds
7487 .is_some_and(|bounds| bounds.contains(&event.position)),
7488 cx,
7489 );
7490
7491 // Stop hover events from propagating to the
7492 // underlying editor if the minimap hitbox is hovered
7493 if !event.dragging() {
7494 cx.stop_propagation();
7495 }
7496 } else {
7497 editor.scroll_manager.hide_minimap_thumb(cx);
7498 }
7499 mouse_position = event.position;
7500 });
7501 }
7502 });
7503
7504 if dragging_minimap {
7505 window.on_mouse_event({
7506 let editor = self.editor.clone();
7507 move |event: &MouseUpEvent, phase, window, cx| {
7508 if phase == DispatchPhase::Capture {
7509 return;
7510 }
7511
7512 editor.update(cx, |editor, cx| {
7513 if minimap_hitbox.is_hovered(window) {
7514 editor.scroll_manager.set_is_hovering_minimap_thumb(
7515 layout
7516 .thumb_layout
7517 .thumb_bounds
7518 .is_some_and(|bounds| bounds.contains(&event.position)),
7519 cx,
7520 );
7521 } else {
7522 editor.scroll_manager.hide_minimap_thumb(cx);
7523 }
7524 cx.stop_propagation();
7525 });
7526 }
7527 });
7528 } else {
7529 window.on_mouse_event({
7530 let editor = self.editor.clone();
7531
7532 move |event: &MouseDownEvent, phase, window, cx| {
7533 if phase == DispatchPhase::Capture || !minimap_hitbox.is_hovered(window) {
7534 return;
7535 }
7536
7537 let event_position = event.position;
7538
7539 let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds else {
7540 return;
7541 };
7542
7543 editor.update(cx, |editor, cx| {
7544 if !thumb_bounds.contains(&event_position) {
7545 let click_position =
7546 event_position.relative_to(&minimap_hitbox.origin).y;
7547
7548 let top_position = (click_position
7549 - thumb_bounds.size.along(minimap_axis) / 2.0)
7550 .max(Pixels::ZERO);
7551
7552 let scroll_offset = (layout.minimap_scroll_top
7553 + ScrollPixelOffset::from(
7554 top_position / layout.minimap_line_height,
7555 ))
7556 .min(layout.max_scroll_top);
7557
7558 let scroll_position = editor
7559 .scroll_position(cx)
7560 .apply_along(minimap_axis, |_| scroll_offset);
7561 editor.set_scroll_position(scroll_position, window, cx);
7562 }
7563
7564 editor.scroll_manager.set_is_dragging_minimap(cx);
7565 cx.stop_propagation();
7566 });
7567 }
7568 });
7569 }
7570 }
7571 }
7572
7573 fn paint_spacer_blocks(
7574 &mut self,
7575 layout: &mut EditorLayout,
7576 window: &mut Window,
7577 cx: &mut App,
7578 ) {
7579 for mut block in layout.spacer_blocks.drain(..) {
7580 let mut bounds = layout.hitbox.bounds;
7581 bounds.origin.x += layout.gutter_hitbox.bounds.size.width;
7582 window.with_content_mask(Some(ContentMask { bounds }), |window| {
7583 block.element.paint(window, cx);
7584 })
7585 }
7586 }
7587
7588 fn paint_non_spacer_blocks(
7589 &mut self,
7590 layout: &mut EditorLayout,
7591 window: &mut Window,
7592 cx: &mut App,
7593 ) {
7594 for mut block in layout.blocks.drain(..) {
7595 if block.overlaps_gutter {
7596 block.element.paint(window, cx);
7597 } else {
7598 let mut bounds = layout.hitbox.bounds;
7599 bounds.origin.x += layout.gutter_hitbox.bounds.size.width;
7600 window.with_content_mask(Some(ContentMask { bounds }), |window| {
7601 block.element.paint(window, cx);
7602 })
7603 }
7604 }
7605 }
7606
7607 fn paint_edit_prediction_popover(
7608 &mut self,
7609 layout: &mut EditorLayout,
7610 window: &mut Window,
7611 cx: &mut App,
7612 ) {
7613 if let Some(edit_prediction_popover) = layout.edit_prediction_popover.as_mut() {
7614 edit_prediction_popover.paint(window, cx);
7615 }
7616 }
7617
7618 fn paint_mouse_context_menu(
7619 &mut self,
7620 layout: &mut EditorLayout,
7621 window: &mut Window,
7622 cx: &mut App,
7623 ) {
7624 if let Some(mouse_context_menu) = layout.mouse_context_menu.as_mut() {
7625 mouse_context_menu.paint(window, cx);
7626 }
7627 }
7628
7629 fn paint_scroll_wheel_listener(
7630 &mut self,
7631 layout: &EditorLayout,
7632 window: &mut Window,
7633 cx: &mut App,
7634 ) {
7635 window.on_mouse_event({
7636 let position_map = layout.position_map.clone();
7637 let editor = self.editor.clone();
7638 let hitbox = layout.hitbox.clone();
7639 let mut delta = ScrollDelta::default();
7640
7641 // Set a minimum scroll_sensitivity of 0.01 to make sure the user doesn't
7642 // accidentally turn off their scrolling.
7643 let base_scroll_sensitivity =
7644 EditorSettings::get_global(cx).scroll_sensitivity.max(0.01);
7645
7646 // Use a minimum fast_scroll_sensitivity for same reason above
7647 let fast_scroll_sensitivity = EditorSettings::get_global(cx)
7648 .fast_scroll_sensitivity
7649 .max(0.01);
7650
7651 move |event: &ScrollWheelEvent, phase, window, cx| {
7652 let scroll_sensitivity = {
7653 if event.modifiers.alt {
7654 fast_scroll_sensitivity
7655 } else {
7656 base_scroll_sensitivity
7657 }
7658 };
7659
7660 if phase == DispatchPhase::Bubble && hitbox.should_handle_scroll(window) {
7661 delta = delta.coalesce(event.delta);
7662 editor.update(cx, |editor, cx| {
7663 let position_map: &PositionMap = &position_map;
7664
7665 let line_height = position_map.line_height;
7666 let glyph_width = position_map.em_layout_width;
7667 let (delta, axis) = match delta {
7668 gpui::ScrollDelta::Pixels(mut pixels) => {
7669 //Trackpad
7670 let axis = position_map.snapshot.ongoing_scroll.filter(&mut pixels);
7671 (pixels, axis)
7672 }
7673
7674 gpui::ScrollDelta::Lines(lines) => {
7675 //Not trackpad
7676 let pixels = point(lines.x * glyph_width, lines.y * line_height);
7677 (pixels, None)
7678 }
7679 };
7680
7681 let current_scroll_position = position_map.snapshot.scroll_position();
7682 let x = (current_scroll_position.x * ScrollPixelOffset::from(glyph_width)
7683 - ScrollPixelOffset::from(delta.x * scroll_sensitivity))
7684 / ScrollPixelOffset::from(glyph_width);
7685 let y = (current_scroll_position.y * ScrollPixelOffset::from(line_height)
7686 - ScrollPixelOffset::from(delta.y * scroll_sensitivity))
7687 / ScrollPixelOffset::from(line_height);
7688 let mut scroll_position =
7689 point(x, y).clamp(&point(0., 0.), &position_map.scroll_max);
7690 let forbid_vertical_scroll = editor.scroll_manager.forbid_vertical_scroll();
7691 if forbid_vertical_scroll {
7692 scroll_position.y = current_scroll_position.y;
7693 }
7694
7695 if scroll_position != current_scroll_position {
7696 editor.scroll(scroll_position, axis, window, cx);
7697 cx.stop_propagation();
7698 } else if y < 0. {
7699 // Due to clamping, we may fail to detect cases of overscroll to the top;
7700 // We want the scroll manager to get an update in such cases and detect the change of direction
7701 // on the next frame.
7702 cx.notify();
7703 }
7704 });
7705 }
7706 }
7707 });
7708 }
7709
7710 fn paint_mouse_listeners(&mut self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
7711 if layout.mode.is_minimap() {
7712 return;
7713 }
7714
7715 self.paint_scroll_wheel_listener(layout, window, cx);
7716
7717 window.on_mouse_event({
7718 let position_map = layout.position_map.clone();
7719 let editor = self.editor.clone();
7720 let line_numbers = layout.line_numbers.clone();
7721
7722 move |event: &MouseDownEvent, phase, window, cx| {
7723 if phase == DispatchPhase::Bubble {
7724 match event.button {
7725 MouseButton::Left => editor.update(cx, |editor, cx| {
7726 let pending_mouse_down = editor
7727 .pending_mouse_down
7728 .get_or_insert_with(Default::default)
7729 .clone();
7730
7731 *pending_mouse_down.borrow_mut() = Some(event.clone());
7732
7733 Self::mouse_left_down(
7734 editor,
7735 event,
7736 &position_map,
7737 line_numbers.as_ref(),
7738 window,
7739 cx,
7740 );
7741 }),
7742 MouseButton::Right => editor.update(cx, |editor, cx| {
7743 Self::mouse_right_down(editor, event, &position_map, window, cx);
7744 }),
7745 MouseButton::Middle => editor.update(cx, |editor, cx| {
7746 Self::mouse_middle_down(editor, event, &position_map, window, cx);
7747 }),
7748 _ => {}
7749 };
7750 }
7751 }
7752 });
7753
7754 window.on_mouse_event({
7755 let editor = self.editor.clone();
7756 let position_map = layout.position_map.clone();
7757
7758 move |event: &MouseUpEvent, phase, window, cx| {
7759 if phase == DispatchPhase::Bubble {
7760 editor.update(cx, |editor, cx| {
7761 Self::mouse_up(editor, event, &position_map, window, cx)
7762 });
7763 }
7764 }
7765 });
7766
7767 window.on_mouse_event({
7768 let editor = self.editor.clone();
7769 let position_map = layout.position_map.clone();
7770 let mut captured_mouse_down = None;
7771
7772 move |event: &MouseUpEvent, phase, window, cx| match phase {
7773 // Clear the pending mouse down during the capture phase,
7774 // so that it happens even if another event handler stops
7775 // propagation.
7776 DispatchPhase::Capture => editor.update(cx, |editor, _cx| {
7777 let pending_mouse_down = editor
7778 .pending_mouse_down
7779 .get_or_insert_with(Default::default)
7780 .clone();
7781
7782 let mut pending_mouse_down = pending_mouse_down.borrow_mut();
7783 if pending_mouse_down.is_some() && position_map.text_hitbox.is_hovered(window) {
7784 captured_mouse_down = pending_mouse_down.take();
7785 window.refresh();
7786 }
7787 }),
7788 // Fire click handlers during the bubble phase.
7789 DispatchPhase::Bubble => editor.update(cx, |editor, cx| {
7790 if let Some(mouse_down) = captured_mouse_down.take() {
7791 let event = ClickEvent::Mouse(MouseClickEvent {
7792 down: mouse_down,
7793 up: event.clone(),
7794 });
7795 Self::click(editor, &event, &position_map, window, cx);
7796 }
7797 }),
7798 }
7799 });
7800
7801 window.on_mouse_event({
7802 let position_map = layout.position_map.clone();
7803 let editor = self.editor.clone();
7804
7805 move |event: &MousePressureEvent, phase, window, cx| {
7806 if phase == DispatchPhase::Bubble {
7807 editor.update(cx, |editor, cx| {
7808 Self::pressure_click(editor, &event, &position_map, window, cx);
7809 })
7810 }
7811 }
7812 });
7813
7814 window.on_mouse_event({
7815 let position_map = layout.position_map.clone();
7816 let editor = self.editor.clone();
7817 let split_side = self.split_side;
7818
7819 move |event: &MouseMoveEvent, phase, window, cx| {
7820 if phase == DispatchPhase::Bubble {
7821 editor.update(cx, |editor, cx| {
7822 if editor.hover_state.focused(window, cx) {
7823 return;
7824 }
7825 if event.pressed_button == Some(MouseButton::Left)
7826 || event.pressed_button == Some(MouseButton::Middle)
7827 {
7828 Self::mouse_dragged(editor, event, &position_map, window, cx)
7829 }
7830
7831 Self::mouse_moved(editor, event, &position_map, split_side, window, cx)
7832 });
7833 }
7834 }
7835 });
7836 }
7837
7838 fn shape_line_number(
7839 &self,
7840 text: SharedString,
7841 color: Hsla,
7842 window: &mut Window,
7843 ) -> ShapedLine {
7844 let run = TextRun {
7845 len: text.len(),
7846 font: self.style.text.font(),
7847 color,
7848 ..Default::default()
7849 };
7850 window.text_system().shape_line(
7851 text,
7852 self.style.text.font_size.to_pixels(window.rem_size()),
7853 &[run],
7854 None,
7855 )
7856 }
7857
7858 fn diff_hunk_hollow(status: DiffHunkStatus, cx: &mut App) -> bool {
7859 let unstaged = status.has_secondary_hunk();
7860 let unstaged_hollow = matches!(
7861 ProjectSettings::get_global(cx).git.hunk_style,
7862 GitHunkStyleSetting::UnstagedHollow
7863 );
7864
7865 unstaged == unstaged_hollow
7866 }
7867
7868 #[cfg(debug_assertions)]
7869 fn layout_debug_ranges(
7870 selections: &mut Vec<(PlayerColor, Vec<SelectionLayout>)>,
7871 anchor_range: Range<Anchor>,
7872 display_snapshot: &DisplaySnapshot,
7873 cx: &App,
7874 ) {
7875 let theme = cx.theme();
7876 text::debug::GlobalDebugRanges::with_locked(|debug_ranges| {
7877 if debug_ranges.ranges.is_empty() {
7878 return;
7879 }
7880 let buffer_snapshot = &display_snapshot.buffer_snapshot();
7881 for (buffer, buffer_range, excerpt_id) in
7882 buffer_snapshot.range_to_buffer_ranges(anchor_range.start..=anchor_range.end)
7883 {
7884 let buffer_range =
7885 buffer.anchor_after(buffer_range.start)..buffer.anchor_before(buffer_range.end);
7886 selections.extend(debug_ranges.ranges.iter().flat_map(|debug_range| {
7887 let player_color = theme
7888 .players()
7889 .color_for_participant(debug_range.occurrence_index as u32 + 1);
7890 debug_range.ranges.iter().filter_map(move |range| {
7891 if range.start.buffer_id != Some(buffer.remote_id()) {
7892 return None;
7893 }
7894 let clipped_start = range.start.max(&buffer_range.start, buffer);
7895 let clipped_end = range.end.min(&buffer_range.end, buffer);
7896 let range = buffer_snapshot
7897 .anchor_range_in_excerpt(excerpt_id, *clipped_start..*clipped_end)?;
7898 let start = range.start.to_display_point(display_snapshot);
7899 let end = range.end.to_display_point(display_snapshot);
7900 let selection_layout = SelectionLayout {
7901 head: start,
7902 range: start..end,
7903 cursor_shape: CursorShape::Bar,
7904 is_newest: false,
7905 is_local: false,
7906 active_rows: start.row()..end.row(),
7907 user_name: Some(SharedString::new(debug_range.value.clone())),
7908 };
7909 Some((player_color, vec![selection_layout]))
7910 })
7911 }));
7912 }
7913 });
7914 }
7915}
7916
7917pub fn render_breadcrumb_text(
7918 mut segments: Vec<HighlightedText>,
7919 breadcrumb_font: Option<Font>,
7920 prefix: Option<gpui::AnyElement>,
7921 active_item: &dyn ItemHandle,
7922 multibuffer_header: bool,
7923 window: &mut Window,
7924 cx: &App,
7925) -> gpui::AnyElement {
7926 const MAX_SEGMENTS: usize = 12;
7927
7928 let element = h_flex().flex_grow().text_ui(cx);
7929
7930 let prefix_end_ix = cmp::min(segments.len(), MAX_SEGMENTS / 2);
7931 let suffix_start_ix = cmp::max(
7932 prefix_end_ix,
7933 segments.len().saturating_sub(MAX_SEGMENTS / 2),
7934 );
7935
7936 if suffix_start_ix > prefix_end_ix {
7937 segments.splice(
7938 prefix_end_ix..suffix_start_ix,
7939 Some(HighlightedText {
7940 text: "β―".into(),
7941 highlights: vec![],
7942 }),
7943 );
7944 }
7945
7946 let highlighted_segments = segments.into_iter().enumerate().map(|(index, segment)| {
7947 let mut text_style = window.text_style();
7948 if let Some(font) = &breadcrumb_font {
7949 text_style.font_family = font.family.clone();
7950 text_style.font_features = font.features.clone();
7951 text_style.font_style = font.style;
7952 text_style.font_weight = font.weight;
7953 }
7954 text_style.color = Color::Muted.color(cx);
7955
7956 if index == 0
7957 && !workspace::TabBarSettings::get_global(cx).show
7958 && active_item.is_dirty(cx)
7959 && let Some(styled_element) = apply_dirty_filename_style(&segment, &text_style, cx)
7960 {
7961 return styled_element;
7962 }
7963
7964 StyledText::new(segment.text.replace('\n', " "))
7965 .with_default_highlights(&text_style, segment.highlights)
7966 .into_any()
7967 });
7968
7969 let breadcrumbs = Itertools::intersperse_with(highlighted_segments, || {
7970 Label::new("βΊ").color(Color::Placeholder).into_any_element()
7971 });
7972
7973 let breadcrumbs_stack = h_flex()
7974 .gap_1()
7975 .when(multibuffer_header, |this| {
7976 this.pl_2()
7977 .border_l_1()
7978 .border_color(cx.theme().colors().border.opacity(0.6))
7979 })
7980 .children(breadcrumbs);
7981
7982 let breadcrumbs = if let Some(prefix) = prefix {
7983 h_flex().gap_1p5().child(prefix).child(breadcrumbs_stack)
7984 } else {
7985 breadcrumbs_stack
7986 };
7987
7988 let editor = active_item
7989 .downcast::<Editor>()
7990 .map(|editor| editor.downgrade());
7991
7992 let has_project_path = active_item.project_path(cx).is_some();
7993
7994 match editor {
7995 Some(editor) => element
7996 .id("breadcrumb_container")
7997 .when(!multibuffer_header, |this| this.overflow_x_scroll())
7998 .child(
7999 ButtonLike::new("toggle outline view")
8000 .child(breadcrumbs)
8001 .when(multibuffer_header, |this| {
8002 this.style(ButtonStyle::Transparent)
8003 })
8004 .when(!multibuffer_header, |this| {
8005 let focus_handle = editor.upgrade().unwrap().focus_handle(&cx);
8006
8007 this.tooltip(Tooltip::element(move |_window, cx| {
8008 v_flex()
8009 .gap_1()
8010 .child(
8011 h_flex()
8012 .gap_1()
8013 .justify_between()
8014 .child(Label::new("Show Symbol Outline"))
8015 .child(ui::KeyBinding::for_action_in(
8016 &zed_actions::outline::ToggleOutline,
8017 &focus_handle,
8018 cx,
8019 )),
8020 )
8021 .when(has_project_path, |this| {
8022 this.child(
8023 h_flex()
8024 .gap_1()
8025 .justify_between()
8026 .pt_1()
8027 .border_t_1()
8028 .border_color(cx.theme().colors().border_variant)
8029 .child(Label::new("Right-Click to Copy Path")),
8030 )
8031 })
8032 .into_any_element()
8033 }))
8034 .on_click({
8035 let editor = editor.clone();
8036 move |_, window, cx| {
8037 if let Some((editor, callback)) = editor
8038 .upgrade()
8039 .zip(zed_actions::outline::TOGGLE_OUTLINE.get())
8040 {
8041 callback(editor.to_any_view(), window, cx);
8042 }
8043 }
8044 })
8045 .when(has_project_path, |this| {
8046 this.on_right_click({
8047 let editor = editor.clone();
8048 move |_, _, cx| {
8049 if let Some(abs_path) = editor.upgrade().and_then(|editor| {
8050 editor.update(cx, |editor, cx| {
8051 editor.target_file_abs_path(cx)
8052 })
8053 }) {
8054 if let Some(path_str) = abs_path.to_str() {
8055 cx.write_to_clipboard(ClipboardItem::new_string(
8056 path_str.to_string(),
8057 ));
8058 }
8059 }
8060 }
8061 })
8062 })
8063 }),
8064 )
8065 .into_any_element(),
8066 None => element
8067 .h(rems_from_px(22.)) // Match the height and padding of the `ButtonLike` in the other arm.
8068 .pl_1()
8069 .child(breadcrumbs)
8070 .into_any_element(),
8071 }
8072}
8073
8074fn apply_dirty_filename_style(
8075 segment: &HighlightedText,
8076 text_style: &gpui::TextStyle,
8077 cx: &App,
8078) -> Option<gpui::AnyElement> {
8079 let text = segment.text.replace('\n', " ");
8080
8081 let filename_position = std::path::Path::new(segment.text.as_ref())
8082 .file_name()
8083 .and_then(|f| {
8084 let filename_str = f.to_string_lossy();
8085 segment.text.rfind(filename_str.as_ref())
8086 })?;
8087
8088 let bold_weight = FontWeight::BOLD;
8089 let default_color = Color::Default.color(cx);
8090
8091 if filename_position == 0 {
8092 let mut filename_style = text_style.clone();
8093 filename_style.font_weight = bold_weight;
8094 filename_style.color = default_color;
8095
8096 return Some(
8097 StyledText::new(text)
8098 .with_default_highlights(&filename_style, [])
8099 .into_any(),
8100 );
8101 }
8102
8103 let highlight_style = gpui::HighlightStyle {
8104 font_weight: Some(bold_weight),
8105 color: Some(default_color),
8106 ..Default::default()
8107 };
8108
8109 let highlight = vec![(filename_position..text.len(), highlight_style)];
8110 Some(
8111 StyledText::new(text)
8112 .with_default_highlights(text_style, highlight)
8113 .into_any(),
8114 )
8115}
8116
8117fn file_status_label_color(file_status: Option<FileStatus>) -> Color {
8118 file_status.map_or(Color::Default, |status| {
8119 if status.is_conflicted() {
8120 Color::Conflict
8121 } else if status.is_modified() {
8122 Color::Modified
8123 } else if status.is_deleted() {
8124 Color::Disabled
8125 } else if status.is_created() {
8126 Color::Created
8127 } else {
8128 Color::Default
8129 }
8130 })
8131}
8132
8133pub(crate) fn header_jump_data(
8134 editor_snapshot: &EditorSnapshot,
8135 block_row_start: DisplayRow,
8136 height: u32,
8137 first_excerpt: &ExcerptInfo,
8138 latest_selection_anchors: &HashMap<BufferId, Anchor>,
8139) -> JumpData {
8140 let jump_target = if let Some(anchor) = latest_selection_anchors.get(&first_excerpt.buffer_id)
8141 && let Some(range) = editor_snapshot.context_range_for_excerpt(anchor.excerpt_id)
8142 && let Some(buffer) = editor_snapshot
8143 .buffer_snapshot()
8144 .buffer_for_excerpt(anchor.excerpt_id)
8145 {
8146 JumpTargetInExcerptInput {
8147 id: anchor.excerpt_id,
8148 buffer,
8149 excerpt_start_anchor: range.start,
8150 jump_anchor: anchor.text_anchor,
8151 }
8152 } else {
8153 JumpTargetInExcerptInput {
8154 id: first_excerpt.id,
8155 buffer: &first_excerpt.buffer,
8156 excerpt_start_anchor: first_excerpt.range.context.start,
8157 jump_anchor: first_excerpt.range.primary.start,
8158 }
8159 };
8160 header_jump_data_inner(editor_snapshot, block_row_start, height, &jump_target)
8161}
8162
8163struct JumpTargetInExcerptInput<'a> {
8164 id: ExcerptId,
8165 buffer: &'a language::BufferSnapshot,
8166 excerpt_start_anchor: text::Anchor,
8167 jump_anchor: text::Anchor,
8168}
8169
8170fn header_jump_data_inner(
8171 snapshot: &EditorSnapshot,
8172 block_row_start: DisplayRow,
8173 height: u32,
8174 for_excerpt: &JumpTargetInExcerptInput,
8175) -> JumpData {
8176 let buffer = &for_excerpt.buffer;
8177 let jump_position = language::ToPoint::to_point(&for_excerpt.jump_anchor, buffer);
8178 let excerpt_start = for_excerpt.excerpt_start_anchor;
8179 let rows_from_excerpt_start = if for_excerpt.jump_anchor == excerpt_start {
8180 0
8181 } else {
8182 let excerpt_start_point = language::ToPoint::to_point(&excerpt_start, buffer);
8183 jump_position.row.saturating_sub(excerpt_start_point.row)
8184 };
8185
8186 let line_offset_from_top = (block_row_start.0 + height + rows_from_excerpt_start)
8187 .saturating_sub(
8188 snapshot
8189 .scroll_anchor
8190 .scroll_position(&snapshot.display_snapshot)
8191 .y as u32,
8192 );
8193
8194 JumpData::MultiBufferPoint {
8195 excerpt_id: for_excerpt.id,
8196 anchor: for_excerpt.jump_anchor,
8197 position: jump_position,
8198 line_offset_from_top,
8199 }
8200}
8201
8202pub(crate) fn render_buffer_header(
8203 editor: &Entity<Editor>,
8204 for_excerpt: &ExcerptInfo,
8205 is_folded: bool,
8206 is_selected: bool,
8207 is_sticky: bool,
8208 jump_data: JumpData,
8209 window: &mut Window,
8210 cx: &mut App,
8211) -> impl IntoElement {
8212 let editor_read = editor.read(cx);
8213 let multi_buffer = editor_read.buffer.read(cx);
8214 let is_read_only = editor_read.read_only(cx);
8215 let editor_handle: &dyn ItemHandle = editor;
8216
8217 let breadcrumbs = if is_selected {
8218 editor_read.breadcrumbs_inner(cx)
8219 } else {
8220 None
8221 };
8222
8223 let file_status = multi_buffer
8224 .all_diff_hunks_expanded()
8225 .then(|| editor_read.status_for_buffer_id(for_excerpt.buffer_id, cx))
8226 .flatten();
8227 let indicator = multi_buffer
8228 .buffer(for_excerpt.buffer_id)
8229 .and_then(|buffer| {
8230 let buffer = buffer.read(cx);
8231 let indicator_color = match (buffer.has_conflict(), buffer.is_dirty()) {
8232 (true, _) => Some(Color::Warning),
8233 (_, true) => Some(Color::Accent),
8234 (false, false) => None,
8235 };
8236 indicator_color.map(|indicator_color| Indicator::dot().color(indicator_color))
8237 });
8238
8239 let include_root = editor_read
8240 .project
8241 .as_ref()
8242 .map(|project| project.read(cx).visible_worktrees(cx).count() > 1)
8243 .unwrap_or_default();
8244 let file = for_excerpt.buffer.file();
8245 let can_open_excerpts = file.is_none_or(|file| file.can_open());
8246 let path_style = file.map(|file| file.path_style(cx));
8247 let relative_path = for_excerpt.buffer.resolve_file_path(include_root, cx);
8248 let (parent_path, filename) = if let Some(path) = &relative_path {
8249 if let Some(path_style) = path_style {
8250 let (dir, file_name) = path_style.split(path);
8251 (dir.map(|dir| dir.to_owned()), Some(file_name.to_owned()))
8252 } else {
8253 (None, Some(path.clone()))
8254 }
8255 } else {
8256 (None, None)
8257 };
8258 let focus_handle = editor_read.focus_handle(cx);
8259 let colors = cx.theme().colors();
8260
8261 let header = div()
8262 .id(("buffer-header", for_excerpt.buffer_id.to_proto()))
8263 .p(BUFFER_HEADER_PADDING)
8264 .w_full()
8265 .h(FILE_HEADER_HEIGHT as f32 * window.line_height())
8266 .child(
8267 h_flex()
8268 .group("buffer-header-group")
8269 .size_full()
8270 .flex_basis(Length::Definite(DefiniteLength::Fraction(0.667)))
8271 .pl_1()
8272 .pr_2()
8273 .rounded_sm()
8274 .gap_1p5()
8275 .when(is_sticky, |el| el.shadow_md())
8276 .border_1()
8277 .map(|border| {
8278 let border_color =
8279 if is_selected && is_folded && focus_handle.contains_focused(window, cx) {
8280 colors.border_focused
8281 } else {
8282 colors.border
8283 };
8284 border.border_color(border_color)
8285 })
8286 .bg(colors.editor_subheader_background)
8287 .hover(|style| style.bg(colors.element_hover))
8288 .map(|header| {
8289 let editor = editor.clone();
8290 let buffer_id = for_excerpt.buffer_id;
8291 let toggle_chevron_icon =
8292 FileIcons::get_chevron_icon(!is_folded, cx).map(Icon::from_path);
8293 let button_size = rems_from_px(28.);
8294
8295 header.child(
8296 div()
8297 .hover(|style| style.bg(colors.element_selected))
8298 .rounded_xs()
8299 .child(
8300 ButtonLike::new("toggle-buffer-fold")
8301 .style(ButtonStyle::Transparent)
8302 .height(button_size.into())
8303 .width(button_size)
8304 .children(toggle_chevron_icon)
8305 .tooltip({
8306 let focus_handle = focus_handle.clone();
8307 let is_folded_for_tooltip = is_folded;
8308 move |_window, cx| {
8309 Tooltip::with_meta_in(
8310 if is_folded_for_tooltip {
8311 "Unfold Excerpt"
8312 } else {
8313 "Fold Excerpt"
8314 },
8315 Some(&ToggleFold),
8316 format!(
8317 "{} to toggle all",
8318 text_for_keystroke(
8319 &Modifiers::alt(),
8320 "click",
8321 cx
8322 )
8323 ),
8324 &focus_handle,
8325 cx,
8326 )
8327 }
8328 })
8329 .on_click(move |event, window, cx| {
8330 if event.modifiers().alt {
8331 editor.update(cx, |editor, cx| {
8332 editor.toggle_fold_all(&ToggleFoldAll, window, cx);
8333 });
8334 } else {
8335 if is_folded {
8336 editor.update(cx, |editor, cx| {
8337 editor.unfold_buffer(buffer_id, cx);
8338 });
8339 } else {
8340 editor.update(cx, |editor, cx| {
8341 editor.fold_buffer(buffer_id, cx);
8342 });
8343 }
8344 }
8345 }),
8346 ),
8347 )
8348 })
8349 .children(
8350 editor_read
8351 .addons
8352 .values()
8353 .filter_map(|addon| {
8354 addon.render_buffer_header_controls(for_excerpt, window, cx)
8355 })
8356 .take(1),
8357 )
8358 .when(!is_read_only, |this| {
8359 this.child(
8360 h_flex()
8361 .size_3()
8362 .justify_center()
8363 .flex_shrink_0()
8364 .children(indicator),
8365 )
8366 })
8367 .child(
8368 h_flex()
8369 .cursor_pointer()
8370 .id("path_header_block")
8371 .min_w_0()
8372 .size_full()
8373 .gap_1()
8374 .justify_between()
8375 .overflow_hidden()
8376 .child(h_flex().min_w_0().flex_1().gap_0p5().overflow_hidden().map(
8377 |path_header| {
8378 let filename = filename
8379 .map(SharedString::from)
8380 .unwrap_or_else(|| "untitled".into());
8381
8382 let full_path = match parent_path.as_deref() {
8383 Some(parent) if !parent.is_empty() => {
8384 format!("{}{}", parent, filename.as_str())
8385 }
8386 _ => filename.as_str().to_string(),
8387 };
8388
8389 path_header
8390 .child(
8391 ButtonLike::new("filename-button")
8392 .when(ItemSettings::get_global(cx).file_icons, |this| {
8393 let path = path::Path::new(filename.as_str());
8394 let icon = FileIcons::get_icon(path, cx)
8395 .unwrap_or_default();
8396
8397 this.child(
8398 Icon::from_path(icon).color(Color::Muted),
8399 )
8400 })
8401 .child(
8402 Label::new(filename)
8403 .single_line()
8404 .color(file_status_label_color(file_status))
8405 .buffer_font(cx)
8406 .when(
8407 file_status.is_some_and(|s| s.is_deleted()),
8408 |label| label.strikethrough(),
8409 ),
8410 )
8411 .tooltip(move |_, cx| {
8412 Tooltip::with_meta(
8413 "Open File",
8414 None,
8415 full_path.clone(),
8416 cx,
8417 )
8418 })
8419 .on_click(window.listener_for(editor, {
8420 let jump_data = jump_data.clone();
8421 move |editor, e: &ClickEvent, window, cx| {
8422 editor.open_excerpts_common(
8423 Some(jump_data.clone()),
8424 e.modifiers().secondary(),
8425 window,
8426 cx,
8427 );
8428 }
8429 })),
8430 )
8431 .when_some(parent_path, |then, path| {
8432 then.child(
8433 Label::new(path)
8434 .buffer_font(cx)
8435 .truncate_start()
8436 .color(
8437 if file_status
8438 .is_some_and(FileStatus::is_deleted)
8439 {
8440 Color::Custom(colors.text_disabled)
8441 } else {
8442 Color::Custom(colors.text_muted)
8443 },
8444 ),
8445 )
8446 })
8447 .when(!for_excerpt.buffer.capability.editable(), |el| {
8448 el.child(Icon::new(IconName::FileLock).color(Color::Muted))
8449 })
8450 .when_some(breadcrumbs, |then, breadcrumbs| {
8451 let font = theme::ThemeSettings::get_global(cx)
8452 .buffer_font
8453 .clone();
8454 then.child(render_breadcrumb_text(
8455 breadcrumbs,
8456 Some(font),
8457 None,
8458 editor_handle,
8459 true,
8460 window,
8461 cx,
8462 ))
8463 })
8464 },
8465 ))
8466 .when(can_open_excerpts && relative_path.is_some(), |this| {
8467 this.child(
8468 div()
8469 .when(!is_selected, |this| {
8470 this.visible_on_hover("buffer-header-group")
8471 })
8472 .child(
8473 Button::new("open-file-button", "Open File")
8474 .style(ButtonStyle::OutlinedGhost)
8475 .when(is_selected, |this| {
8476 this.key_binding(KeyBinding::for_action_in(
8477 &OpenExcerpts,
8478 &focus_handle,
8479 cx,
8480 ))
8481 })
8482 .on_click(window.listener_for(editor, {
8483 let jump_data = jump_data.clone();
8484 move |editor, e: &ClickEvent, window, cx| {
8485 editor.open_excerpts_common(
8486 Some(jump_data.clone()),
8487 e.modifiers().secondary(),
8488 window,
8489 cx,
8490 );
8491 }
8492 })),
8493 ),
8494 )
8495 })
8496 .on_mouse_down(MouseButton::Left, |_, _, cx| cx.stop_propagation())
8497 .on_click(window.listener_for(editor, {
8498 let buffer_id = for_excerpt.buffer_id;
8499 move |editor, e: &ClickEvent, window, cx| {
8500 if e.modifiers().alt {
8501 editor.open_excerpts_common(
8502 Some(jump_data.clone()),
8503 e.modifiers().secondary(),
8504 window,
8505 cx,
8506 );
8507 return;
8508 }
8509
8510 if is_folded {
8511 editor.unfold_buffer(buffer_id, cx);
8512 } else {
8513 editor.fold_buffer(buffer_id, cx);
8514 }
8515 }
8516 })),
8517 ),
8518 );
8519
8520 let file = for_excerpt.buffer.file().cloned();
8521 let editor = editor.clone();
8522
8523 right_click_menu("buffer-header-context-menu")
8524 .trigger(move |_, _, _| header)
8525 .menu(move |window, cx| {
8526 let menu_context = focus_handle.clone();
8527 let editor = editor.clone();
8528 let file = file.clone();
8529 ContextMenu::build(window, cx, move |mut menu, window, cx| {
8530 if let Some(file) = file
8531 && let Some(project) = editor.read(cx).project()
8532 && let Some(worktree) =
8533 project.read(cx).worktree_for_id(file.worktree_id(cx), cx)
8534 {
8535 let path_style = file.path_style(cx);
8536 let worktree = worktree.read(cx);
8537 let relative_path = file.path();
8538 let entry_for_path = worktree.entry_for_path(relative_path);
8539 let abs_path = entry_for_path.map(|e| {
8540 e.canonical_path
8541 .as_deref()
8542 .map_or_else(|| worktree.absolutize(relative_path), Path::to_path_buf)
8543 });
8544 let has_relative_path = worktree.root_entry().is_some_and(Entry::is_dir);
8545
8546 let parent_abs_path = abs_path
8547 .as_ref()
8548 .and_then(|abs_path| Some(abs_path.parent()?.to_path_buf()));
8549 let relative_path = has_relative_path
8550 .then_some(relative_path)
8551 .map(ToOwned::to_owned);
8552
8553 let visible_in_project_panel = relative_path.is_some() && worktree.is_visible();
8554 let reveal_in_project_panel = entry_for_path
8555 .filter(|_| visible_in_project_panel)
8556 .map(|entry| entry.id);
8557 menu = menu
8558 .when_some(abs_path, |menu, abs_path| {
8559 menu.entry(
8560 "Copy Path",
8561 Some(Box::new(zed_actions::workspace::CopyPath)),
8562 window.handler_for(&editor, move |_, _, cx| {
8563 cx.write_to_clipboard(ClipboardItem::new_string(
8564 abs_path.to_string_lossy().into_owned(),
8565 ));
8566 }),
8567 )
8568 })
8569 .when_some(relative_path, |menu, relative_path| {
8570 menu.entry(
8571 "Copy Relative Path",
8572 Some(Box::new(zed_actions::workspace::CopyRelativePath)),
8573 window.handler_for(&editor, move |_, _, cx| {
8574 cx.write_to_clipboard(ClipboardItem::new_string(
8575 relative_path.display(path_style).to_string(),
8576 ));
8577 }),
8578 )
8579 })
8580 .when(
8581 reveal_in_project_panel.is_some() || parent_abs_path.is_some(),
8582 |menu| menu.separator(),
8583 )
8584 .when_some(reveal_in_project_panel, |menu, entry_id| {
8585 menu.entry(
8586 "Reveal In Project Panel",
8587 Some(Box::new(RevealInProjectPanel::default())),
8588 window.handler_for(&editor, move |editor, _, cx| {
8589 if let Some(project) = &mut editor.project {
8590 project.update(cx, |_, cx| {
8591 cx.emit(project::Event::RevealInProjectPanel(entry_id))
8592 });
8593 }
8594 }),
8595 )
8596 })
8597 .when_some(parent_abs_path, |menu, parent_abs_path| {
8598 menu.entry(
8599 "Open in Terminal",
8600 Some(Box::new(OpenInTerminal)),
8601 window.handler_for(&editor, move |_, window, cx| {
8602 window.dispatch_action(
8603 OpenTerminal {
8604 working_directory: parent_abs_path.clone(),
8605 local: false,
8606 }
8607 .boxed_clone(),
8608 cx,
8609 );
8610 }),
8611 )
8612 });
8613 }
8614
8615 menu.context(menu_context)
8616 })
8617 })
8618}
8619
8620pub struct AcceptEditPredictionBinding(pub(crate) Option<gpui::KeyBinding>);
8621
8622impl AcceptEditPredictionBinding {
8623 pub fn keystroke(&self) -> Option<&KeybindingKeystroke> {
8624 if let Some(binding) = self.0.as_ref() {
8625 match &binding.keystrokes() {
8626 [keystroke, ..] => Some(keystroke),
8627 _ => None,
8628 }
8629 } else {
8630 None
8631 }
8632 }
8633}
8634
8635fn prepaint_gutter_button(
8636 mut button: AnyElement,
8637 row: DisplayRow,
8638 line_height: Pixels,
8639 gutter_dimensions: &GutterDimensions,
8640 scroll_position: gpui::Point<ScrollOffset>,
8641 gutter_hitbox: &Hitbox,
8642 window: &mut Window,
8643 cx: &mut App,
8644) -> AnyElement {
8645 let available_space = size(
8646 AvailableSpace::MinContent,
8647 AvailableSpace::Definite(line_height),
8648 );
8649 let indicator_size = button.layout_as_root(available_space, window, cx);
8650 let git_gutter_width = EditorElement::gutter_strip_width(line_height)
8651 + gutter_dimensions
8652 .git_blame_entries_width
8653 .unwrap_or_default();
8654
8655 let x = git_gutter_width + px(2.);
8656
8657 let mut y =
8658 Pixels::from((row.as_f64() - scroll_position.y) * ScrollPixelOffset::from(line_height));
8659 y += (line_height - indicator_size.height) / 2.;
8660
8661 button.prepaint_as_root(
8662 gutter_hitbox.origin + point(x, y),
8663 available_space,
8664 window,
8665 cx,
8666 );
8667 button
8668}
8669
8670fn render_inline_blame_entry(
8671 blame_entry: BlameEntry,
8672 style: &EditorStyle,
8673 cx: &mut App,
8674) -> Option<AnyElement> {
8675 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
8676 renderer.render_inline_blame_entry(&style.text, blame_entry, cx)
8677}
8678
8679fn render_blame_entry_popover(
8680 blame_entry: BlameEntry,
8681 scroll_handle: ScrollHandle,
8682 commit_message: Option<ParsedCommitMessage>,
8683 markdown: Entity<Markdown>,
8684 workspace: WeakEntity<Workspace>,
8685 blame: &Entity<GitBlame>,
8686 buffer: BufferId,
8687 window: &mut Window,
8688 cx: &mut App,
8689) -> Option<AnyElement> {
8690 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
8691 let blame = blame.read(cx);
8692 let repository = blame.repository(cx, buffer)?;
8693 renderer.render_blame_entry_popover(
8694 blame_entry,
8695 scroll_handle,
8696 commit_message,
8697 markdown,
8698 repository,
8699 workspace,
8700 window,
8701 cx,
8702 )
8703}
8704
8705fn render_blame_entry(
8706 ix: usize,
8707 blame: &Entity<GitBlame>,
8708 blame_entry: BlameEntry,
8709 style: &EditorStyle,
8710 last_used_color: &mut Option<(Hsla, Oid)>,
8711 editor: Entity<Editor>,
8712 workspace: Entity<Workspace>,
8713 buffer: BufferId,
8714 renderer: &dyn BlameRenderer,
8715 window: &mut Window,
8716 cx: &mut App,
8717) -> Option<AnyElement> {
8718 let index: u32 = blame_entry.sha.into();
8719 let mut sha_color = cx.theme().players().color_for_participant(index).cursor;
8720
8721 // If the last color we used is the same as the one we get for this line, but
8722 // the commit SHAs are different, then we try again to get a different color.
8723 if let Some((color, sha)) = *last_used_color
8724 && sha != blame_entry.sha
8725 && color == sha_color
8726 {
8727 sha_color = cx.theme().players().color_for_participant(index + 1).cursor;
8728 }
8729 last_used_color.replace((sha_color, blame_entry.sha));
8730
8731 let blame = blame.read(cx);
8732 let details = blame.details_for_entry(buffer, &blame_entry);
8733 let repository = blame.repository(cx, buffer)?;
8734 renderer.render_blame_entry(
8735 &style.text,
8736 blame_entry,
8737 details,
8738 repository,
8739 workspace.downgrade(),
8740 editor,
8741 ix,
8742 sha_color,
8743 window,
8744 cx,
8745 )
8746}
8747
8748#[derive(Debug)]
8749pub(crate) struct LineWithInvisibles {
8750 fragments: SmallVec<[LineFragment; 1]>,
8751 invisibles: Vec<Invisible>,
8752 len: usize,
8753 pub(crate) width: Pixels,
8754 font_size: Pixels,
8755}
8756
8757enum LineFragment {
8758 Text(ShapedLine),
8759 Element {
8760 id: ChunkRendererId,
8761 element: Option<AnyElement>,
8762 size: Size<Pixels>,
8763 len: usize,
8764 },
8765}
8766
8767impl fmt::Debug for LineFragment {
8768 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
8769 match self {
8770 LineFragment::Text(shaped_line) => f.debug_tuple("Text").field(shaped_line).finish(),
8771 LineFragment::Element { size, len, .. } => f
8772 .debug_struct("Element")
8773 .field("size", size)
8774 .field("len", len)
8775 .finish(),
8776 }
8777 }
8778}
8779
8780impl LineWithInvisibles {
8781 fn from_chunks<'a>(
8782 chunks: impl Iterator<Item = HighlightedChunk<'a>>,
8783 editor_style: &EditorStyle,
8784 max_line_len: usize,
8785 max_line_count: usize,
8786 editor_mode: &EditorMode,
8787 text_width: Pixels,
8788 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
8789 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
8790 window: &mut Window,
8791 cx: &mut App,
8792 ) -> Vec<Self> {
8793 let text_style = &editor_style.text;
8794 let mut layouts = Vec::with_capacity(max_line_count);
8795 let mut fragments: SmallVec<[LineFragment; 1]> = SmallVec::new();
8796 let mut line = String::new();
8797 let mut invisibles = Vec::new();
8798 let mut width = Pixels::ZERO;
8799 let mut len = 0;
8800 let mut styles = Vec::new();
8801 let mut non_whitespace_added = false;
8802 let mut row = 0;
8803 let mut line_exceeded_max_len = false;
8804 let font_size = text_style.font_size.to_pixels(window.rem_size());
8805 let min_contrast = EditorSettings::get_global(cx).minimum_contrast_for_highlights;
8806
8807 let ellipsis = SharedString::from("β―");
8808
8809 for highlighted_chunk in chunks.chain([HighlightedChunk {
8810 text: "\n",
8811 style: None,
8812 is_tab: false,
8813 is_inlay: false,
8814 replacement: None,
8815 }]) {
8816 if let Some(replacement) = highlighted_chunk.replacement {
8817 if !line.is_empty() {
8818 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
8819 let text_runs: &[TextRun] = if segments.is_empty() {
8820 &styles
8821 } else {
8822 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
8823 };
8824 let shaped_line = window.text_system().shape_line(
8825 line.clone().into(),
8826 font_size,
8827 text_runs,
8828 None,
8829 );
8830 width += shaped_line.width;
8831 len += shaped_line.len;
8832 fragments.push(LineFragment::Text(shaped_line));
8833 line.clear();
8834 styles.clear();
8835 }
8836
8837 match replacement {
8838 ChunkReplacement::Renderer(renderer) => {
8839 let available_width = if renderer.constrain_width {
8840 let chunk = if highlighted_chunk.text == ellipsis.as_ref() {
8841 ellipsis.clone()
8842 } else {
8843 SharedString::from(Arc::from(highlighted_chunk.text))
8844 };
8845 let shaped_line = window.text_system().shape_line(
8846 chunk,
8847 font_size,
8848 &[text_style.to_run(highlighted_chunk.text.len())],
8849 None,
8850 );
8851 AvailableSpace::Definite(shaped_line.width)
8852 } else {
8853 AvailableSpace::MinContent
8854 };
8855
8856 let mut element = (renderer.render)(&mut ChunkRendererContext {
8857 context: cx,
8858 window,
8859 max_width: text_width,
8860 });
8861 let line_height = text_style.line_height_in_pixels(window.rem_size());
8862 let size = element.layout_as_root(
8863 size(available_width, AvailableSpace::Definite(line_height)),
8864 window,
8865 cx,
8866 );
8867
8868 width += size.width;
8869 len += highlighted_chunk.text.len();
8870 fragments.push(LineFragment::Element {
8871 id: renderer.id,
8872 element: Some(element),
8873 size,
8874 len: highlighted_chunk.text.len(),
8875 });
8876 }
8877 ChunkReplacement::Str(x) => {
8878 let text_style = if let Some(style) = highlighted_chunk.style {
8879 Cow::Owned(text_style.clone().highlight(style))
8880 } else {
8881 Cow::Borrowed(text_style)
8882 };
8883
8884 let run = TextRun {
8885 len: x.len(),
8886 font: text_style.font(),
8887 color: text_style.color,
8888 background_color: text_style.background_color,
8889 underline: text_style.underline,
8890 strikethrough: text_style.strikethrough,
8891 };
8892 let line_layout = window
8893 .text_system()
8894 .shape_line(x, font_size, &[run], None)
8895 .with_len(highlighted_chunk.text.len());
8896
8897 width += line_layout.width;
8898 len += highlighted_chunk.text.len();
8899 fragments.push(LineFragment::Text(line_layout))
8900 }
8901 }
8902 } else {
8903 for (ix, mut line_chunk) in highlighted_chunk.text.split('\n').enumerate() {
8904 if ix > 0 {
8905 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
8906 let text_runs = if segments.is_empty() {
8907 &styles
8908 } else {
8909 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
8910 };
8911 let shaped_line = window.text_system().shape_line(
8912 line.clone().into(),
8913 font_size,
8914 text_runs,
8915 None,
8916 );
8917 width += shaped_line.width;
8918 len += shaped_line.len;
8919 fragments.push(LineFragment::Text(shaped_line));
8920 layouts.push(Self {
8921 width: mem::take(&mut width),
8922 len: mem::take(&mut len),
8923 fragments: mem::take(&mut fragments),
8924 invisibles: std::mem::take(&mut invisibles),
8925 font_size,
8926 });
8927
8928 line.clear();
8929 styles.clear();
8930 row += 1;
8931 line_exceeded_max_len = false;
8932 non_whitespace_added = false;
8933 if row == max_line_count {
8934 return layouts;
8935 }
8936 }
8937
8938 if !line_chunk.is_empty() && !line_exceeded_max_len {
8939 let text_style = if let Some(style) = highlighted_chunk.style {
8940 Cow::Owned(text_style.clone().highlight(style))
8941 } else {
8942 Cow::Borrowed(text_style)
8943 };
8944
8945 if line.len() + line_chunk.len() > max_line_len {
8946 let mut chunk_len = max_line_len - line.len();
8947 while !line_chunk.is_char_boundary(chunk_len) {
8948 chunk_len -= 1;
8949 }
8950 line_chunk = &line_chunk[..chunk_len];
8951 line_exceeded_max_len = true;
8952 }
8953
8954 styles.push(TextRun {
8955 len: line_chunk.len(),
8956 font: text_style.font(),
8957 color: text_style.color,
8958 background_color: text_style.background_color,
8959 underline: text_style.underline,
8960 strikethrough: text_style.strikethrough,
8961 });
8962
8963 if editor_mode.is_full() && !highlighted_chunk.is_inlay {
8964 // Line wrap pads its contents with fake whitespaces,
8965 // avoid printing them
8966 let is_soft_wrapped = is_row_soft_wrapped(row);
8967 if highlighted_chunk.is_tab {
8968 if non_whitespace_added || !is_soft_wrapped {
8969 invisibles.push(Invisible::Tab {
8970 line_start_offset: line.len(),
8971 line_end_offset: line.len() + line_chunk.len(),
8972 });
8973 }
8974 } else {
8975 invisibles.extend(line_chunk.char_indices().filter_map(
8976 |(index, c)| {
8977 let is_whitespace = c.is_whitespace();
8978 non_whitespace_added |= !is_whitespace;
8979 if is_whitespace
8980 && (non_whitespace_added || !is_soft_wrapped)
8981 {
8982 Some(Invisible::Whitespace {
8983 line_offset: line.len() + index,
8984 })
8985 } else {
8986 None
8987 }
8988 },
8989 ))
8990 }
8991 }
8992
8993 line.push_str(line_chunk);
8994 }
8995 }
8996 }
8997 }
8998
8999 layouts
9000 }
9001
9002 /// Takes text runs and non-overlapping left-to-right background ranges with color.
9003 /// Returns new text runs with adjusted contrast as per background ranges.
9004 fn split_runs_by_bg_segments(
9005 text_runs: &[TextRun],
9006 bg_segments: &[(Range<DisplayPoint>, Hsla)],
9007 min_contrast: f32,
9008 start_col_offset: usize,
9009 ) -> Vec<TextRun> {
9010 let mut output_runs: Vec<TextRun> = Vec::with_capacity(text_runs.len());
9011 let mut line_col = start_col_offset;
9012 let mut segment_ix = 0usize;
9013
9014 for text_run in text_runs.iter() {
9015 let run_start_col = line_col;
9016 let run_end_col = run_start_col + text_run.len;
9017 while segment_ix < bg_segments.len()
9018 && (bg_segments[segment_ix].0.end.column() as usize) <= run_start_col
9019 {
9020 segment_ix += 1;
9021 }
9022 let mut cursor_col = run_start_col;
9023 let mut local_segment_ix = segment_ix;
9024 while local_segment_ix < bg_segments.len() {
9025 let (range, segment_color) = &bg_segments[local_segment_ix];
9026 let segment_start_col = range.start.column() as usize;
9027 let segment_end_col = range.end.column() as usize;
9028 if segment_start_col >= run_end_col {
9029 break;
9030 }
9031 if segment_start_col > cursor_col {
9032 let span_len = segment_start_col - cursor_col;
9033 output_runs.push(TextRun {
9034 len: span_len,
9035 font: text_run.font.clone(),
9036 color: text_run.color,
9037 background_color: text_run.background_color,
9038 underline: text_run.underline,
9039 strikethrough: text_run.strikethrough,
9040 });
9041 cursor_col = segment_start_col;
9042 }
9043 let segment_slice_end_col = segment_end_col.min(run_end_col);
9044 if segment_slice_end_col > cursor_col {
9045 let new_text_color =
9046 ensure_minimum_contrast(text_run.color, *segment_color, min_contrast);
9047 output_runs.push(TextRun {
9048 len: segment_slice_end_col - cursor_col,
9049 font: text_run.font.clone(),
9050 color: new_text_color,
9051 background_color: text_run.background_color,
9052 underline: text_run.underline,
9053 strikethrough: text_run.strikethrough,
9054 });
9055 cursor_col = segment_slice_end_col;
9056 }
9057 if segment_end_col >= run_end_col {
9058 break;
9059 }
9060 local_segment_ix += 1;
9061 }
9062 if cursor_col < run_end_col {
9063 output_runs.push(TextRun {
9064 len: run_end_col - cursor_col,
9065 font: text_run.font.clone(),
9066 color: text_run.color,
9067 background_color: text_run.background_color,
9068 underline: text_run.underline,
9069 strikethrough: text_run.strikethrough,
9070 });
9071 }
9072 line_col = run_end_col;
9073 segment_ix = local_segment_ix;
9074 }
9075 output_runs
9076 }
9077
9078 fn prepaint(
9079 &mut self,
9080 line_height: Pixels,
9081 scroll_position: gpui::Point<ScrollOffset>,
9082 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
9083 row: DisplayRow,
9084 content_origin: gpui::Point<Pixels>,
9085 line_elements: &mut SmallVec<[AnyElement; 1]>,
9086 window: &mut Window,
9087 cx: &mut App,
9088 ) {
9089 let line_y = f32::from(line_height) * Pixels::from(row.as_f64() - scroll_position.y);
9090 self.prepaint_with_custom_offset(
9091 line_height,
9092 scroll_pixel_position,
9093 content_origin,
9094 line_y,
9095 line_elements,
9096 window,
9097 cx,
9098 );
9099 }
9100
9101 fn prepaint_with_custom_offset(
9102 &mut self,
9103 line_height: Pixels,
9104 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
9105 content_origin: gpui::Point<Pixels>,
9106 line_y: Pixels,
9107 line_elements: &mut SmallVec<[AnyElement; 1]>,
9108 window: &mut Window,
9109 cx: &mut App,
9110 ) {
9111 let mut fragment_origin =
9112 content_origin + gpui::point(Pixels::from(-scroll_pixel_position.x), line_y);
9113 for fragment in &mut self.fragments {
9114 match fragment {
9115 LineFragment::Text(line) => {
9116 fragment_origin.x += line.width;
9117 }
9118 LineFragment::Element { element, size, .. } => {
9119 let mut element = element
9120 .take()
9121 .expect("you can't prepaint LineWithInvisibles twice");
9122
9123 // Center the element vertically within the line.
9124 let mut element_origin = fragment_origin;
9125 element_origin.y += (line_height - size.height) / 2.;
9126 element.prepaint_at(element_origin, window, cx);
9127 line_elements.push(element);
9128
9129 fragment_origin.x += size.width;
9130 }
9131 }
9132 }
9133 }
9134
9135 fn draw(
9136 &self,
9137 layout: &EditorLayout,
9138 row: DisplayRow,
9139 content_origin: gpui::Point<Pixels>,
9140 whitespace_setting: ShowWhitespaceSetting,
9141 selection_ranges: &[Range<DisplayPoint>],
9142 window: &mut Window,
9143 cx: &mut App,
9144 ) {
9145 self.draw_with_custom_offset(
9146 layout,
9147 row,
9148 content_origin,
9149 layout.position_map.line_height
9150 * (row.as_f64() - layout.position_map.scroll_position.y) as f32,
9151 whitespace_setting,
9152 selection_ranges,
9153 window,
9154 cx,
9155 );
9156 }
9157
9158 fn draw_with_custom_offset(
9159 &self,
9160 layout: &EditorLayout,
9161 row: DisplayRow,
9162 content_origin: gpui::Point<Pixels>,
9163 line_y: Pixels,
9164 whitespace_setting: ShowWhitespaceSetting,
9165 selection_ranges: &[Range<DisplayPoint>],
9166 window: &mut Window,
9167 cx: &mut App,
9168 ) {
9169 let line_height = layout.position_map.line_height;
9170 let mut fragment_origin = content_origin
9171 + gpui::point(
9172 Pixels::from(-layout.position_map.scroll_pixel_position.x),
9173 line_y,
9174 );
9175
9176 for fragment in &self.fragments {
9177 match fragment {
9178 LineFragment::Text(line) => {
9179 line.paint(
9180 fragment_origin,
9181 line_height,
9182 layout.text_align,
9183 Some(layout.content_width),
9184 window,
9185 cx,
9186 )
9187 .log_err();
9188 fragment_origin.x += line.width;
9189 }
9190 LineFragment::Element { size, .. } => {
9191 fragment_origin.x += size.width;
9192 }
9193 }
9194 }
9195
9196 self.draw_invisibles(
9197 selection_ranges,
9198 layout,
9199 content_origin,
9200 line_y,
9201 row,
9202 line_height,
9203 whitespace_setting,
9204 window,
9205 cx,
9206 );
9207 }
9208
9209 fn draw_background(
9210 &self,
9211 layout: &EditorLayout,
9212 row: DisplayRow,
9213 content_origin: gpui::Point<Pixels>,
9214 window: &mut Window,
9215 cx: &mut App,
9216 ) {
9217 let line_height = layout.position_map.line_height;
9218 let line_y = line_height * (row.as_f64() - layout.position_map.scroll_position.y) as f32;
9219
9220 let mut fragment_origin = content_origin
9221 + gpui::point(
9222 Pixels::from(-layout.position_map.scroll_pixel_position.x),
9223 line_y,
9224 );
9225
9226 for fragment in &self.fragments {
9227 match fragment {
9228 LineFragment::Text(line) => {
9229 line.paint_background(
9230 fragment_origin,
9231 line_height,
9232 layout.text_align,
9233 Some(layout.content_width),
9234 window,
9235 cx,
9236 )
9237 .log_err();
9238 fragment_origin.x += line.width;
9239 }
9240 LineFragment::Element { size, .. } => {
9241 fragment_origin.x += size.width;
9242 }
9243 }
9244 }
9245 }
9246
9247 fn draw_invisibles(
9248 &self,
9249 selection_ranges: &[Range<DisplayPoint>],
9250 layout: &EditorLayout,
9251 content_origin: gpui::Point<Pixels>,
9252 line_y: Pixels,
9253 row: DisplayRow,
9254 line_height: Pixels,
9255 whitespace_setting: ShowWhitespaceSetting,
9256 window: &mut Window,
9257 cx: &mut App,
9258 ) {
9259 let extract_whitespace_info = |invisible: &Invisible| {
9260 let (token_offset, token_end_offset, invisible_symbol) = match invisible {
9261 Invisible::Tab {
9262 line_start_offset,
9263 line_end_offset,
9264 } => (*line_start_offset, *line_end_offset, &layout.tab_invisible),
9265 Invisible::Whitespace { line_offset } => {
9266 (*line_offset, line_offset + 1, &layout.space_invisible)
9267 }
9268 };
9269
9270 let x_offset: ScrollPixelOffset = self.x_for_index(token_offset).into();
9271 let invisible_offset: ScrollPixelOffset =
9272 ((layout.position_map.em_width - invisible_symbol.width).max(Pixels::ZERO) / 2.0)
9273 .into();
9274 let origin = content_origin
9275 + gpui::point(
9276 Pixels::from(
9277 x_offset + invisible_offset - layout.position_map.scroll_pixel_position.x,
9278 ),
9279 line_y,
9280 );
9281
9282 (
9283 [token_offset, token_end_offset],
9284 Box::new(move |window: &mut Window, cx: &mut App| {
9285 invisible_symbol
9286 .paint(origin, line_height, TextAlign::Left, None, window, cx)
9287 .log_err();
9288 }),
9289 )
9290 };
9291
9292 let invisible_iter = self.invisibles.iter().map(extract_whitespace_info);
9293 match whitespace_setting {
9294 ShowWhitespaceSetting::None => (),
9295 ShowWhitespaceSetting::All => invisible_iter.for_each(|(_, paint)| paint(window, cx)),
9296 ShowWhitespaceSetting::Selection => invisible_iter.for_each(|([start, _], paint)| {
9297 let invisible_point = DisplayPoint::new(row, start as u32);
9298 if !selection_ranges
9299 .iter()
9300 .any(|region| region.start <= invisible_point && invisible_point < region.end)
9301 {
9302 return;
9303 }
9304
9305 paint(window, cx);
9306 }),
9307
9308 ShowWhitespaceSetting::Trailing => {
9309 let mut previous_start = self.len;
9310 for ([start, end], paint) in invisible_iter.rev() {
9311 if previous_start != end {
9312 break;
9313 }
9314 previous_start = start;
9315 paint(window, cx);
9316 }
9317 }
9318
9319 // For a whitespace to be on a boundary, any of the following conditions need to be met:
9320 // - It is a tab
9321 // - It is adjacent to an edge (start or end)
9322 // - It is adjacent to a whitespace (left or right)
9323 ShowWhitespaceSetting::Boundary => {
9324 // 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
9325 // the above cases.
9326 // Note: We zip in the original `invisibles` to check for tab equality
9327 let mut last_seen: Option<(bool, usize, Box<dyn Fn(&mut Window, &mut App)>)> = None;
9328 for (([start, end], paint), invisible) in
9329 invisible_iter.zip_eq(self.invisibles.iter())
9330 {
9331 let should_render = match (&last_seen, invisible) {
9332 (_, Invisible::Tab { .. }) => true,
9333 (Some((_, last_end, _)), _) => *last_end == start,
9334 _ => false,
9335 };
9336
9337 if should_render || start == 0 || end == self.len {
9338 paint(window, cx);
9339
9340 // Since we are scanning from the left, we will skip over the first available whitespace that is part
9341 // of a boundary between non-whitespace segments, so we correct by manually redrawing it if needed.
9342 if let Some((should_render_last, last_end, paint_last)) = last_seen {
9343 // Note that we need to make sure that the last one is actually adjacent
9344 if !should_render_last && last_end == start {
9345 paint_last(window, cx);
9346 }
9347 }
9348 }
9349
9350 // Manually render anything within a selection
9351 let invisible_point = DisplayPoint::new(row, start as u32);
9352 if selection_ranges.iter().any(|region| {
9353 region.start <= invisible_point && invisible_point < region.end
9354 }) {
9355 paint(window, cx);
9356 }
9357
9358 last_seen = Some((should_render, end, paint));
9359 }
9360 }
9361 }
9362 }
9363
9364 pub fn x_for_index(&self, index: usize) -> Pixels {
9365 let mut fragment_start_x = Pixels::ZERO;
9366 let mut fragment_start_index = 0;
9367
9368 for fragment in &self.fragments {
9369 match fragment {
9370 LineFragment::Text(shaped_line) => {
9371 let fragment_end_index = fragment_start_index + shaped_line.len;
9372 if index < fragment_end_index {
9373 return fragment_start_x
9374 + shaped_line.x_for_index(index - fragment_start_index);
9375 }
9376 fragment_start_x += shaped_line.width;
9377 fragment_start_index = fragment_end_index;
9378 }
9379 LineFragment::Element { len, size, .. } => {
9380 let fragment_end_index = fragment_start_index + len;
9381 if index < fragment_end_index {
9382 return fragment_start_x;
9383 }
9384 fragment_start_x += size.width;
9385 fragment_start_index = fragment_end_index;
9386 }
9387 }
9388 }
9389
9390 fragment_start_x
9391 }
9392
9393 pub fn index_for_x(&self, x: Pixels) -> Option<usize> {
9394 let mut fragment_start_x = Pixels::ZERO;
9395 let mut fragment_start_index = 0;
9396
9397 for fragment in &self.fragments {
9398 match fragment {
9399 LineFragment::Text(shaped_line) => {
9400 let fragment_end_x = fragment_start_x + shaped_line.width;
9401 if x < fragment_end_x {
9402 return Some(
9403 fragment_start_index + shaped_line.index_for_x(x - fragment_start_x)?,
9404 );
9405 }
9406 fragment_start_x = fragment_end_x;
9407 fragment_start_index += shaped_line.len;
9408 }
9409 LineFragment::Element { len, size, .. } => {
9410 let fragment_end_x = fragment_start_x + size.width;
9411 if x < fragment_end_x {
9412 return Some(fragment_start_index);
9413 }
9414 fragment_start_index += len;
9415 fragment_start_x = fragment_end_x;
9416 }
9417 }
9418 }
9419
9420 None
9421 }
9422
9423 pub fn font_id_for_index(&self, index: usize) -> Option<FontId> {
9424 let mut fragment_start_index = 0;
9425
9426 for fragment in &self.fragments {
9427 match fragment {
9428 LineFragment::Text(shaped_line) => {
9429 let fragment_end_index = fragment_start_index + shaped_line.len;
9430 if index < fragment_end_index {
9431 return shaped_line.font_id_for_index(index - fragment_start_index);
9432 }
9433 fragment_start_index = fragment_end_index;
9434 }
9435 LineFragment::Element { len, .. } => {
9436 let fragment_end_index = fragment_start_index + len;
9437 if index < fragment_end_index {
9438 return None;
9439 }
9440 fragment_start_index = fragment_end_index;
9441 }
9442 }
9443 }
9444
9445 None
9446 }
9447
9448 pub fn alignment_offset(&self, text_align: TextAlign, content_width: Pixels) -> Pixels {
9449 let line_width = self.width;
9450 match text_align {
9451 TextAlign::Left => px(0.0),
9452 TextAlign::Center => (content_width - line_width) / 2.0,
9453 TextAlign::Right => content_width - line_width,
9454 }
9455 }
9456}
9457
9458#[derive(Debug, Clone, Copy, PartialEq, Eq)]
9459enum Invisible {
9460 /// A tab character
9461 ///
9462 /// A tab character is internally represented by spaces (configured by the user's tab width)
9463 /// aligned to the nearest column, so it's necessary to store the start and end offset for
9464 /// adjacency checks.
9465 Tab {
9466 line_start_offset: usize,
9467 line_end_offset: usize,
9468 },
9469 Whitespace {
9470 line_offset: usize,
9471 },
9472}
9473
9474impl EditorElement {
9475 /// Returns the rem size to use when rendering the [`EditorElement`].
9476 ///
9477 /// This allows UI elements to scale based on the `buffer_font_size`.
9478 fn rem_size(&self, cx: &mut App) -> Option<Pixels> {
9479 match self.editor.read(cx).mode {
9480 EditorMode::Full {
9481 scale_ui_elements_with_buffer_font_size: true,
9482 ..
9483 }
9484 | EditorMode::Minimap { .. } => {
9485 let buffer_font_size = self.style.text.font_size;
9486 match buffer_font_size {
9487 AbsoluteLength::Pixels(pixels) => {
9488 let rem_size_scale = {
9489 // Our default UI font size is 14px on a 16px base scale.
9490 // This means the default UI font size is 0.875rems.
9491 let default_font_size_scale = 14. / ui::BASE_REM_SIZE_IN_PX;
9492
9493 // We then determine the delta between a single rem and the default font
9494 // size scale.
9495 let default_font_size_delta = 1. - default_font_size_scale;
9496
9497 // Finally, we add this delta to 1rem to get the scale factor that
9498 // should be used to scale up the UI.
9499 1. + default_font_size_delta
9500 };
9501
9502 Some(pixels * rem_size_scale)
9503 }
9504 AbsoluteLength::Rems(rems) => {
9505 Some(rems.to_pixels(ui::BASE_REM_SIZE_IN_PX.into()))
9506 }
9507 }
9508 }
9509 // We currently use single-line and auto-height editors in UI contexts,
9510 // so we don't want to scale everything with the buffer font size, as it
9511 // ends up looking off.
9512 _ => None,
9513 }
9514 }
9515
9516 fn editor_with_selections(&self, cx: &App) -> Option<Entity<Editor>> {
9517 if let EditorMode::Minimap { parent } = self.editor.read(cx).mode() {
9518 parent.upgrade()
9519 } else {
9520 Some(self.editor.clone())
9521 }
9522 }
9523}
9524
9525#[derive(Default)]
9526pub struct EditorRequestLayoutState {
9527 // We use prepaint depth to limit the number of times prepaint is
9528 // called recursively. We need this so that we can update stale
9529 // data for e.g. block heights in block map.
9530 prepaint_depth: Rc<Cell<usize>>,
9531}
9532
9533impl EditorRequestLayoutState {
9534 // In ideal conditions we only need one more subsequent prepaint call for resize to take effect.
9535 // i.e. MAX_PREPAINT_DEPTH = 2, but since moving blocks inline (place_near), more lines from
9536 // below get exposed, and we end up querying blocks for those lines too in subsequent renders.
9537 // Setting MAX_PREPAINT_DEPTH = 3, passes all tests. Just to be on the safe side we set it to 5, so
9538 // that subsequent shrinking does not lead to incorrect block placing.
9539 const MAX_PREPAINT_DEPTH: usize = 5;
9540
9541 fn increment_prepaint_depth(&self) -> EditorPrepaintGuard {
9542 let depth = self.prepaint_depth.get();
9543 self.prepaint_depth.set(depth + 1);
9544 EditorPrepaintGuard {
9545 prepaint_depth: self.prepaint_depth.clone(),
9546 }
9547 }
9548
9549 fn can_prepaint(&self) -> bool {
9550 self.prepaint_depth.get() < Self::MAX_PREPAINT_DEPTH
9551 }
9552}
9553
9554struct EditorPrepaintGuard {
9555 prepaint_depth: Rc<Cell<usize>>,
9556}
9557
9558impl Drop for EditorPrepaintGuard {
9559 fn drop(&mut self) {
9560 let depth = self.prepaint_depth.get();
9561 self.prepaint_depth.set(depth.saturating_sub(1));
9562 }
9563}
9564
9565impl Element for EditorElement {
9566 type RequestLayoutState = EditorRequestLayoutState;
9567 type PrepaintState = EditorLayout;
9568
9569 fn id(&self) -> Option<ElementId> {
9570 None
9571 }
9572
9573 fn source_location(&self) -> Option<&'static core::panic::Location<'static>> {
9574 None
9575 }
9576
9577 fn request_layout(
9578 &mut self,
9579 _: Option<&GlobalElementId>,
9580 _inspector_id: Option<&gpui::InspectorElementId>,
9581 window: &mut Window,
9582 cx: &mut App,
9583 ) -> (gpui::LayoutId, Self::RequestLayoutState) {
9584 let rem_size = self.rem_size(cx);
9585 window.with_rem_size(rem_size, |window| {
9586 self.editor.update(cx, |editor, cx| {
9587 editor.set_style(self.style.clone(), window, cx);
9588
9589 let layout_id = match editor.mode {
9590 EditorMode::SingleLine => {
9591 let rem_size = window.rem_size();
9592 let height = self.style.text.line_height_in_pixels(rem_size);
9593 let mut style = Style::default();
9594 style.size.height = height.into();
9595 style.size.width = relative(1.).into();
9596 window.request_layout(style, None, cx)
9597 }
9598 EditorMode::AutoHeight {
9599 min_lines,
9600 max_lines,
9601 } => {
9602 let editor_handle = cx.entity();
9603 window.request_measured_layout(
9604 Style::default(),
9605 move |known_dimensions, available_space, window, cx| {
9606 editor_handle
9607 .update(cx, |editor, cx| {
9608 compute_auto_height_layout(
9609 editor,
9610 min_lines,
9611 max_lines,
9612 known_dimensions,
9613 available_space.width,
9614 window,
9615 cx,
9616 )
9617 })
9618 .unwrap_or_default()
9619 },
9620 )
9621 }
9622 EditorMode::Minimap { .. } => {
9623 let mut style = Style::default();
9624 style.size.width = relative(1.).into();
9625 style.size.height = relative(1.).into();
9626 window.request_layout(style, None, cx)
9627 }
9628 EditorMode::Full {
9629 sizing_behavior, ..
9630 } => {
9631 let mut style = Style::default();
9632 style.size.width = relative(1.).into();
9633 if sizing_behavior == SizingBehavior::SizeByContent {
9634 let snapshot = editor.snapshot(window, cx);
9635 let line_height =
9636 self.style.text.line_height_in_pixels(window.rem_size());
9637 let scroll_height =
9638 (snapshot.max_point().row().next_row().0 as f32) * line_height;
9639 style.size.height = scroll_height.into();
9640 } else {
9641 style.size.height = relative(1.).into();
9642 }
9643 window.request_layout(style, None, cx)
9644 }
9645 };
9646
9647 (layout_id, EditorRequestLayoutState::default())
9648 })
9649 })
9650 }
9651
9652 fn prepaint(
9653 &mut self,
9654 _: Option<&GlobalElementId>,
9655 _inspector_id: Option<&gpui::InspectorElementId>,
9656 bounds: Bounds<Pixels>,
9657 request_layout: &mut Self::RequestLayoutState,
9658 window: &mut Window,
9659 cx: &mut App,
9660 ) -> Self::PrepaintState {
9661 let _prepaint_depth_guard = request_layout.increment_prepaint_depth();
9662 let text_style = TextStyleRefinement {
9663 font_size: Some(self.style.text.font_size),
9664 line_height: Some(self.style.text.line_height),
9665 ..Default::default()
9666 };
9667
9668 let is_minimap = self.editor.read(cx).mode.is_minimap();
9669 let is_singleton = self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
9670
9671 if !is_minimap {
9672 let focus_handle = self.editor.focus_handle(cx);
9673 window.set_view_id(self.editor.entity_id());
9674 window.set_focus_handle(&focus_handle, cx);
9675 }
9676
9677 let rem_size = self.rem_size(cx);
9678 window.with_rem_size(rem_size, |window| {
9679 window.with_text_style(Some(text_style), |window| {
9680 window.with_content_mask(Some(ContentMask { bounds }), |window| {
9681 let (mut snapshot, is_read_only) = self.editor.update(cx, |editor, cx| {
9682 (editor.snapshot(window, cx), editor.read_only(cx))
9683 });
9684 let style = &self.style;
9685
9686 let rem_size = window.rem_size();
9687 let font_id = window.text_system().resolve_font(&style.text.font());
9688 let font_size = style.text.font_size.to_pixels(rem_size);
9689 let line_height = style.text.line_height_in_pixels(rem_size);
9690 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
9691 let em_advance = window.text_system().em_advance(font_id, font_size).unwrap();
9692 let em_layout_width = window.text_system().em_layout_width(font_id, font_size);
9693 let glyph_grid_cell = size(em_advance, line_height);
9694
9695 let gutter_dimensions =
9696 snapshot.gutter_dimensions(font_id, font_size, style, window, cx);
9697 let text_width = bounds.size.width - gutter_dimensions.width;
9698
9699 let settings = EditorSettings::get_global(cx);
9700 let scrollbars_shown = settings.scrollbar.show != ShowScrollbar::Never;
9701 let vertical_scrollbar_width = (scrollbars_shown
9702 && settings.scrollbar.axes.vertical
9703 && self.editor.read(cx).show_scrollbars.vertical)
9704 .then_some(style.scrollbar_width)
9705 .unwrap_or_default();
9706 let minimap_width = self
9707 .get_minimap_width(
9708 &settings.minimap,
9709 scrollbars_shown,
9710 text_width,
9711 em_width,
9712 font_size,
9713 rem_size,
9714 cx,
9715 )
9716 .unwrap_or_default();
9717
9718 let right_margin = minimap_width + vertical_scrollbar_width;
9719
9720 let extended_right = 2 * em_width + right_margin;
9721 let editor_width = text_width - gutter_dimensions.margin - extended_right;
9722 let editor_margins = EditorMargins {
9723 gutter: gutter_dimensions,
9724 right: right_margin,
9725 extended_right,
9726 };
9727
9728 snapshot = self.editor.update(cx, |editor, cx| {
9729 editor.last_bounds = Some(bounds);
9730 editor.gutter_dimensions = gutter_dimensions;
9731 editor.set_visible_line_count(
9732 (bounds.size.height / line_height) as f64,
9733 window,
9734 cx,
9735 );
9736 editor.set_visible_column_count(f64::from(editor_width / em_advance));
9737
9738 if matches!(
9739 editor.mode,
9740 EditorMode::AutoHeight { .. } | EditorMode::Minimap { .. }
9741 ) {
9742 snapshot
9743 } else {
9744 let wrap_width = calculate_wrap_width(
9745 editor.soft_wrap_mode(cx),
9746 editor_width,
9747 em_layout_width,
9748 );
9749
9750 if editor.set_wrap_width(wrap_width, cx) {
9751 editor.snapshot(window, cx)
9752 } else {
9753 snapshot
9754 }
9755 }
9756 });
9757
9758 let hitbox = window.insert_hitbox(bounds, HitboxBehavior::Normal);
9759 let gutter_hitbox = window.insert_hitbox(
9760 gutter_bounds(bounds, gutter_dimensions),
9761 HitboxBehavior::Normal,
9762 );
9763 let text_hitbox = window.insert_hitbox(
9764 Bounds {
9765 origin: gutter_hitbox.top_right(),
9766 size: size(text_width, bounds.size.height),
9767 },
9768 HitboxBehavior::Normal,
9769 );
9770
9771 // Offset the content_bounds from the text_bounds by the gutter margin (which
9772 // is roughly half a character wide) to make hit testing work more like how we want.
9773 let content_offset = point(editor_margins.gutter.margin, Pixels::ZERO);
9774 let content_origin = text_hitbox.origin + content_offset;
9775
9776 let height_in_lines = f64::from(bounds.size.height / line_height);
9777 let max_row = snapshot.max_point().row().as_f64();
9778
9779 // Calculate how much of the editor is clipped by parent containers (e.g., List).
9780 // This allows us to only render lines that are actually visible, which is
9781 // critical for performance when large AutoHeight editors are inside Lists.
9782 let visible_bounds = window.content_mask().bounds;
9783 let clipped_top = (visible_bounds.origin.y - bounds.origin.y).max(px(0.));
9784 let clipped_top_in_lines = f64::from(clipped_top / line_height);
9785 let visible_height_in_lines =
9786 f64::from(visible_bounds.size.height / line_height);
9787
9788 // The max scroll position for the top of the window
9789 let max_scroll_top = if matches!(
9790 snapshot.mode,
9791 EditorMode::SingleLine
9792 | EditorMode::AutoHeight { .. }
9793 | EditorMode::Full {
9794 sizing_behavior: SizingBehavior::ExcludeOverscrollMargin
9795 | SizingBehavior::SizeByContent,
9796 ..
9797 }
9798 ) {
9799 (max_row - height_in_lines + 1.).max(0.)
9800 } else {
9801 let settings = EditorSettings::get_global(cx);
9802 match settings.scroll_beyond_last_line {
9803 ScrollBeyondLastLine::OnePage => max_row,
9804 ScrollBeyondLastLine::Off => (max_row - height_in_lines + 1.).max(0.),
9805 ScrollBeyondLastLine::VerticalScrollMargin => {
9806 (max_row - height_in_lines + 1. + settings.vertical_scroll_margin)
9807 .max(0.)
9808 }
9809 }
9810 };
9811
9812 let (
9813 autoscroll_request,
9814 autoscroll_containing_element,
9815 needs_horizontal_autoscroll,
9816 ) = self.editor.update(cx, |editor, cx| {
9817 let autoscroll_request = editor.scroll_manager.take_autoscroll_request();
9818
9819 let autoscroll_containing_element =
9820 autoscroll_request.is_some() || editor.has_pending_selection();
9821
9822 let (needs_horizontal_autoscroll, was_scrolled) = editor
9823 .autoscroll_vertically(
9824 bounds,
9825 line_height,
9826 max_scroll_top,
9827 autoscroll_request,
9828 window,
9829 cx,
9830 );
9831 if was_scrolled.0 {
9832 snapshot = editor.snapshot(window, cx);
9833 }
9834 (
9835 autoscroll_request,
9836 autoscroll_containing_element,
9837 needs_horizontal_autoscroll,
9838 )
9839 });
9840
9841 let mut scroll_position = snapshot.scroll_position();
9842 // The scroll position is a fractional point, the whole number of which represents
9843 // the top of the window in terms of display rows.
9844 // We add clipped_top_in_lines to skip rows that are clipped by parent containers,
9845 // but we don't modify scroll_position itself since the parent handles positioning.
9846 let max_row = snapshot.max_point().row();
9847 let start_row = cmp::min(
9848 DisplayRow((scroll_position.y + clipped_top_in_lines).floor() as u32),
9849 max_row,
9850 );
9851 let end_row = cmp::min(
9852 (scroll_position.y + clipped_top_in_lines + visible_height_in_lines).ceil()
9853 as u32,
9854 max_row.next_row().0,
9855 );
9856 let end_row = DisplayRow(end_row);
9857
9858 let row_infos = snapshot // note we only get the visual range
9859 .row_infos(start_row)
9860 .take((start_row..end_row).len())
9861 .collect::<Vec<RowInfo>>();
9862 let is_row_soft_wrapped = |row: usize| {
9863 row_infos
9864 .get(row)
9865 .is_none_or(|info| info.buffer_row.is_none())
9866 };
9867
9868 let start_anchor = if start_row == Default::default() {
9869 Anchor::min()
9870 } else {
9871 snapshot.buffer_snapshot().anchor_before(
9872 DisplayPoint::new(start_row, 0).to_offset(&snapshot, Bias::Left),
9873 )
9874 };
9875 let end_anchor = if end_row > max_row {
9876 Anchor::max()
9877 } else {
9878 snapshot.buffer_snapshot().anchor_before(
9879 DisplayPoint::new(end_row, 0).to_offset(&snapshot, Bias::Right),
9880 )
9881 };
9882
9883 let mut highlighted_rows = self
9884 .editor
9885 .update(cx, |editor, cx| editor.highlighted_display_rows(window, cx));
9886
9887 let is_light = cx.theme().appearance().is_light();
9888
9889 let mut highlighted_ranges = self
9890 .editor_with_selections(cx)
9891 .map(|editor| {
9892 if editor == self.editor {
9893 editor.read(cx).background_highlights_in_range(
9894 start_anchor..end_anchor,
9895 &snapshot.display_snapshot,
9896 cx.theme(),
9897 )
9898 } else {
9899 editor.update(cx, |editor, cx| {
9900 let snapshot = editor.snapshot(window, cx);
9901 let start_anchor = if start_row == Default::default() {
9902 Anchor::min()
9903 } else {
9904 snapshot.buffer_snapshot().anchor_before(
9905 DisplayPoint::new(start_row, 0)
9906 .to_offset(&snapshot, Bias::Left),
9907 )
9908 };
9909 let end_anchor = if end_row > max_row {
9910 Anchor::max()
9911 } else {
9912 snapshot.buffer_snapshot().anchor_before(
9913 DisplayPoint::new(end_row, 0)
9914 .to_offset(&snapshot, Bias::Right),
9915 )
9916 };
9917
9918 editor.background_highlights_in_range(
9919 start_anchor..end_anchor,
9920 &snapshot.display_snapshot,
9921 cx.theme(),
9922 )
9923 })
9924 }
9925 })
9926 .unwrap_or_default();
9927
9928 for (ix, row_info) in row_infos.iter().enumerate() {
9929 let Some(diff_status) = row_info.diff_status else {
9930 continue;
9931 };
9932
9933 let background_color = match diff_status.kind {
9934 DiffHunkStatusKind::Added => cx.theme().colors().version_control_added,
9935 DiffHunkStatusKind::Deleted => {
9936 cx.theme().colors().version_control_deleted
9937 }
9938 DiffHunkStatusKind::Modified => {
9939 debug_panic!("modified diff status for row info");
9940 continue;
9941 }
9942 };
9943
9944 let hunk_opacity = if is_light { 0.16 } else { 0.12 };
9945
9946 let hollow_highlight = LineHighlight {
9947 background: (background_color.opacity(if is_light {
9948 0.08
9949 } else {
9950 0.06
9951 }))
9952 .into(),
9953 border: Some(if is_light {
9954 background_color.opacity(0.48)
9955 } else {
9956 background_color.opacity(0.36)
9957 }),
9958 include_gutter: true,
9959 type_id: None,
9960 };
9961
9962 let filled_highlight = LineHighlight {
9963 background: solid_background(background_color.opacity(hunk_opacity)),
9964 border: None,
9965 include_gutter: true,
9966 type_id: None,
9967 };
9968
9969 let background = if Self::diff_hunk_hollow(diff_status, cx) {
9970 hollow_highlight
9971 } else {
9972 filled_highlight
9973 };
9974
9975 let base_display_point =
9976 DisplayPoint::new(start_row + DisplayRow(ix as u32), 0);
9977
9978 highlighted_rows
9979 .entry(base_display_point.row())
9980 .or_insert(background);
9981 }
9982
9983 // Add diff review drag selection highlight to text area
9984 if let Some(drag_state) = &self.editor.read(cx).diff_review_drag_state {
9985 let range = drag_state.row_range(&snapshot.display_snapshot);
9986 let start_row = range.start().0;
9987 let end_row = range.end().0;
9988 let drag_highlight_color =
9989 cx.theme().colors().editor_active_line_background;
9990 let drag_highlight = LineHighlight {
9991 background: solid_background(drag_highlight_color),
9992 border: Some(cx.theme().colors().border_focused),
9993 include_gutter: true,
9994 type_id: None,
9995 };
9996 for row_num in start_row..=end_row {
9997 highlighted_rows
9998 .entry(DisplayRow(row_num))
9999 .or_insert(drag_highlight);
10000 }
10001 }
10002
10003 let highlighted_gutter_ranges =
10004 self.editor.read(cx).gutter_highlights_in_range(
10005 start_anchor..end_anchor,
10006 &snapshot.display_snapshot,
10007 cx,
10008 );
10009
10010 let document_colors = self
10011 .editor
10012 .read(cx)
10013 .colors
10014 .as_ref()
10015 .map(|colors| colors.editor_display_highlights(&snapshot));
10016 let redacted_ranges = self.editor.read(cx).redacted_ranges(
10017 start_anchor..end_anchor,
10018 &snapshot.display_snapshot,
10019 cx,
10020 );
10021
10022 let (local_selections, selected_buffer_ids, latest_selection_anchors): (
10023 Vec<Selection<Point>>,
10024 Vec<BufferId>,
10025 HashMap<BufferId, Anchor>,
10026 ) = self
10027 .editor_with_selections(cx)
10028 .map(|editor| {
10029 editor.update(cx, |editor, cx| {
10030 let all_selections =
10031 editor.selections.all::<Point>(&snapshot.display_snapshot);
10032 let all_anchor_selections =
10033 editor.selections.all_anchors(&snapshot.display_snapshot);
10034 let selected_buffer_ids =
10035 if editor.buffer_kind(cx) == ItemBufferKind::Singleton {
10036 Vec::new()
10037 } else {
10038 let mut selected_buffer_ids =
10039 Vec::with_capacity(all_selections.len());
10040
10041 for selection in all_selections {
10042 for buffer_id in snapshot
10043 .buffer_snapshot()
10044 .buffer_ids_for_range(selection.range())
10045 {
10046 if selected_buffer_ids.last() != Some(&buffer_id) {
10047 selected_buffer_ids.push(buffer_id);
10048 }
10049 }
10050 }
10051
10052 selected_buffer_ids
10053 };
10054
10055 let mut selections = editor.selections.disjoint_in_range(
10056 start_anchor..end_anchor,
10057 &snapshot.display_snapshot,
10058 );
10059 selections
10060 .extend(editor.selections.pending(&snapshot.display_snapshot));
10061
10062 let mut anchors_by_buffer: HashMap<BufferId, (usize, Anchor)> =
10063 HashMap::default();
10064 for selection in all_anchor_selections.iter() {
10065 let head = selection.head();
10066 if let Some(buffer_id) = head.text_anchor.buffer_id {
10067 anchors_by_buffer
10068 .entry(buffer_id)
10069 .and_modify(|(latest_id, latest_anchor)| {
10070 if selection.id > *latest_id {
10071 *latest_id = selection.id;
10072 *latest_anchor = head;
10073 }
10074 })
10075 .or_insert((selection.id, head));
10076 }
10077 }
10078 let latest_selection_anchors = anchors_by_buffer
10079 .into_iter()
10080 .map(|(buffer_id, (_, anchor))| (buffer_id, anchor))
10081 .collect();
10082
10083 (selections, selected_buffer_ids, latest_selection_anchors)
10084 })
10085 })
10086 .unwrap_or_else(|| (Vec::new(), Vec::new(), HashMap::default()));
10087
10088 let (selections, mut active_rows, newest_selection_head) = self
10089 .layout_selections(
10090 start_anchor,
10091 end_anchor,
10092 &local_selections,
10093 &snapshot,
10094 start_row,
10095 end_row,
10096 window,
10097 cx,
10098 );
10099
10100 // relative rows are based on newest selection, even outside the visible area
10101 let current_selection_head = self.editor.update(cx, |editor, cx| {
10102 (editor.selections.count() != 0).then(|| {
10103 let newest = editor
10104 .selections
10105 .newest::<Point>(&editor.display_snapshot(cx));
10106
10107 SelectionLayout::new(
10108 newest,
10109 editor.selections.line_mode(),
10110 editor.cursor_offset_on_selection,
10111 editor.cursor_shape,
10112 &snapshot,
10113 true,
10114 true,
10115 None,
10116 )
10117 .head
10118 .row()
10119 })
10120 });
10121
10122 let mut breakpoint_rows = self.editor.update(cx, |editor, cx| {
10123 editor.active_breakpoints(start_row..end_row, window, cx)
10124 });
10125 for (display_row, (_, bp, state)) in &breakpoint_rows {
10126 if bp.is_enabled() && state.is_none_or(|s| s.verified) {
10127 active_rows.entry(*display_row).or_default().breakpoint = true;
10128 }
10129 }
10130
10131 let line_numbers = self.layout_line_numbers(
10132 Some(&gutter_hitbox),
10133 gutter_dimensions,
10134 line_height,
10135 scroll_position,
10136 start_row..end_row,
10137 &row_infos,
10138 &active_rows,
10139 current_selection_head,
10140 &snapshot,
10141 window,
10142 cx,
10143 );
10144
10145 // We add the gutter breakpoint indicator to breakpoint_rows after painting
10146 // line numbers so we don't paint a line number debug accent color if a user
10147 // has their mouse over that line when a breakpoint isn't there
10148 self.editor.update(cx, |editor, _| {
10149 if let Some(phantom_breakpoint) = &mut editor
10150 .gutter_breakpoint_indicator
10151 .0
10152 .filter(|phantom_breakpoint| phantom_breakpoint.is_active)
10153 {
10154 // Is there a non-phantom breakpoint on this line?
10155 phantom_breakpoint.collides_with_existing_breakpoint = true;
10156 breakpoint_rows
10157 .entry(phantom_breakpoint.display_row)
10158 .or_insert_with(|| {
10159 let position = snapshot.display_point_to_anchor(
10160 DisplayPoint::new(phantom_breakpoint.display_row, 0),
10161 Bias::Right,
10162 );
10163 let breakpoint = Breakpoint::new_standard();
10164 phantom_breakpoint.collides_with_existing_breakpoint = false;
10165 (position, breakpoint, None)
10166 });
10167 }
10168 });
10169
10170 let mut expand_toggles =
10171 window.with_element_namespace("expand_toggles", |window| {
10172 self.layout_expand_toggles(
10173 &gutter_hitbox,
10174 gutter_dimensions,
10175 em_width,
10176 line_height,
10177 scroll_position,
10178 &row_infos,
10179 window,
10180 cx,
10181 )
10182 });
10183
10184 let mut crease_toggles =
10185 window.with_element_namespace("crease_toggles", |window| {
10186 self.layout_crease_toggles(
10187 start_row..end_row,
10188 &row_infos,
10189 &active_rows,
10190 &snapshot,
10191 window,
10192 cx,
10193 )
10194 });
10195 let crease_trailers =
10196 window.with_element_namespace("crease_trailers", |window| {
10197 self.layout_crease_trailers(
10198 row_infos.iter().cloned(),
10199 &snapshot,
10200 window,
10201 cx,
10202 )
10203 });
10204
10205 let display_hunks = self.layout_gutter_diff_hunks(
10206 line_height,
10207 &gutter_hitbox,
10208 start_row..end_row,
10209 &snapshot,
10210 window,
10211 cx,
10212 );
10213
10214 Self::layout_word_diff_highlights(
10215 &display_hunks,
10216 &row_infos,
10217 start_row,
10218 &snapshot,
10219 &mut highlighted_ranges,
10220 cx,
10221 );
10222
10223 let merged_highlighted_ranges =
10224 if let Some((_, colors)) = document_colors.as_ref() {
10225 &highlighted_ranges
10226 .clone()
10227 .into_iter()
10228 .chain(colors.clone())
10229 .collect()
10230 } else {
10231 &highlighted_ranges
10232 };
10233 let bg_segments_per_row = Self::bg_segments_per_row(
10234 start_row..end_row,
10235 &selections,
10236 &merged_highlighted_ranges,
10237 self.style.background,
10238 );
10239
10240 let mut line_layouts = Self::layout_lines(
10241 start_row..end_row,
10242 &snapshot,
10243 &self.style,
10244 editor_width,
10245 is_row_soft_wrapped,
10246 &bg_segments_per_row,
10247 window,
10248 cx,
10249 );
10250 let new_renderer_widths = (!is_minimap).then(|| {
10251 line_layouts
10252 .iter()
10253 .flat_map(|layout| &layout.fragments)
10254 .filter_map(|fragment| {
10255 if let LineFragment::Element { id, size, .. } = fragment {
10256 Some((*id, size.width))
10257 } else {
10258 None
10259 }
10260 })
10261 });
10262 if new_renderer_widths.is_some_and(|new_renderer_widths| {
10263 self.editor.update(cx, |editor, cx| {
10264 editor.update_renderer_widths(new_renderer_widths, cx)
10265 })
10266 }) {
10267 // If the fold widths have changed, we need to prepaint
10268 // the element again to account for any changes in
10269 // wrapping.
10270 if request_layout.can_prepaint() {
10271 return self.prepaint(
10272 None,
10273 _inspector_id,
10274 bounds,
10275 request_layout,
10276 window,
10277 cx,
10278 );
10279 } else {
10280 debug_panic!(concat!(
10281 "skipping recursive prepaint at max depth. ",
10282 "renderer widths may be stale."
10283 ));
10284 }
10285 }
10286
10287 let longest_line_blame_width = self
10288 .editor
10289 .update(cx, |editor, cx| {
10290 if !editor.show_git_blame_inline {
10291 return None;
10292 }
10293 let blame = editor.blame.as_ref()?;
10294 let (_, blame_entry) = blame
10295 .update(cx, |blame, cx| {
10296 let row_infos =
10297 snapshot.row_infos(snapshot.longest_row()).next()?;
10298 blame.blame_for_rows(&[row_infos], cx).next()
10299 })
10300 .flatten()?;
10301 let mut element = render_inline_blame_entry(blame_entry, style, cx)?;
10302 let inline_blame_padding =
10303 ProjectSettings::get_global(cx).git.inline_blame.padding as f32
10304 * em_advance;
10305 Some(
10306 element
10307 .layout_as_root(AvailableSpace::min_size(), window, cx)
10308 .width
10309 + inline_blame_padding,
10310 )
10311 })
10312 .unwrap_or(Pixels::ZERO);
10313
10314 let longest_line_width = layout_line(
10315 snapshot.longest_row(),
10316 &snapshot,
10317 style,
10318 editor_width,
10319 is_row_soft_wrapped,
10320 window,
10321 cx,
10322 )
10323 .width;
10324
10325 let scrollbar_layout_information = ScrollbarLayoutInformation::new(
10326 text_hitbox.bounds,
10327 glyph_grid_cell,
10328 size(
10329 longest_line_width,
10330 Pixels::from(max_row.as_f64() * f64::from(line_height)),
10331 ),
10332 longest_line_blame_width,
10333 EditorSettings::get_global(cx),
10334 );
10335
10336 let mut scroll_width = scrollbar_layout_information.scroll_range.width;
10337
10338 let sticky_header_excerpt = if snapshot.buffer_snapshot().show_headers() {
10339 snapshot.sticky_header_excerpt(scroll_position.y)
10340 } else {
10341 None
10342 };
10343 let sticky_header_excerpt_id =
10344 sticky_header_excerpt.as_ref().map(|top| top.excerpt.id);
10345
10346 let buffer = snapshot.buffer_snapshot();
10347 let start_buffer_row = MultiBufferRow(start_anchor.to_point(&buffer).row);
10348 let end_buffer_row = MultiBufferRow(end_anchor.to_point(&buffer).row);
10349
10350 let preliminary_scroll_pixel_position = point(
10351 scroll_position.x * f64::from(em_layout_width),
10352 scroll_position.y * f64::from(line_height),
10353 );
10354 let indent_guides = self.layout_indent_guides(
10355 content_origin,
10356 text_hitbox.origin,
10357 start_buffer_row..end_buffer_row,
10358 preliminary_scroll_pixel_position,
10359 line_height,
10360 &snapshot,
10361 window,
10362 cx,
10363 );
10364 let indent_guides_for_spacers = indent_guides.clone();
10365
10366 let blocks = (!is_minimap)
10367 .then(|| {
10368 window.with_element_namespace("blocks", |window| {
10369 self.render_blocks(
10370 start_row..end_row,
10371 &snapshot,
10372 &hitbox,
10373 &text_hitbox,
10374 editor_width,
10375 &mut scroll_width,
10376 &editor_margins,
10377 em_width,
10378 gutter_dimensions.full_width(),
10379 line_height,
10380 &mut line_layouts,
10381 &local_selections,
10382 &selected_buffer_ids,
10383 &latest_selection_anchors,
10384 is_row_soft_wrapped,
10385 sticky_header_excerpt_id,
10386 &indent_guides_for_spacers,
10387 window,
10388 cx,
10389 )
10390 })
10391 })
10392 .unwrap_or_default();
10393 let RenderBlocksOutput {
10394 non_spacer_blocks: mut blocks,
10395 mut spacer_blocks,
10396 row_block_types,
10397 resized_blocks,
10398 } = blocks;
10399 if let Some(resized_blocks) = resized_blocks {
10400 self.editor.update(cx, |editor, cx| {
10401 editor.resize_blocks(
10402 resized_blocks,
10403 autoscroll_request.map(|(autoscroll, _)| autoscroll),
10404 cx,
10405 )
10406 });
10407 if request_layout.can_prepaint() {
10408 return self.prepaint(
10409 None,
10410 _inspector_id,
10411 bounds,
10412 request_layout,
10413 window,
10414 cx,
10415 );
10416 } else {
10417 debug_panic!(concat!(
10418 "skipping recursive prepaint at max depth. ",
10419 "block layout may be stale."
10420 ));
10421 }
10422 }
10423
10424 let sticky_buffer_header = if self.should_show_buffer_headers() {
10425 sticky_header_excerpt.map(|sticky_header_excerpt| {
10426 window.with_element_namespace("blocks", |window| {
10427 self.layout_sticky_buffer_header(
10428 sticky_header_excerpt,
10429 scroll_position,
10430 line_height,
10431 right_margin,
10432 &snapshot,
10433 &hitbox,
10434 &selected_buffer_ids,
10435 &blocks,
10436 &latest_selection_anchors,
10437 window,
10438 cx,
10439 )
10440 })
10441 })
10442 } else {
10443 None
10444 };
10445
10446 let scroll_max: gpui::Point<ScrollPixelOffset> = point(
10447 ScrollPixelOffset::from(
10448 ((scroll_width - editor_width) / em_layout_width).max(0.0),
10449 ),
10450 max_scroll_top,
10451 );
10452
10453 self.editor.update(cx, |editor, cx| {
10454 if editor.scroll_manager.clamp_scroll_left(scroll_max.x, cx) {
10455 scroll_position.x = scroll_max.x.min(scroll_position.x);
10456 }
10457
10458 if needs_horizontal_autoscroll.0
10459 && let Some(new_scroll_position) = editor.autoscroll_horizontally(
10460 start_row,
10461 editor_width,
10462 scroll_width,
10463 em_advance,
10464 &line_layouts,
10465 autoscroll_request,
10466 window,
10467 cx,
10468 )
10469 {
10470 scroll_position = new_scroll_position;
10471 }
10472 });
10473
10474 let scroll_pixel_position = point(
10475 scroll_position.x * f64::from(em_layout_width),
10476 scroll_position.y * f64::from(line_height),
10477 );
10478 let sticky_headers = if !is_minimap
10479 && is_singleton
10480 && EditorSettings::get_global(cx).sticky_scroll.enabled
10481 {
10482 let relative = self.editor.read(cx).relative_line_numbers(cx);
10483 self.layout_sticky_headers(
10484 &snapshot,
10485 editor_width,
10486 is_row_soft_wrapped,
10487 line_height,
10488 scroll_pixel_position,
10489 content_origin,
10490 &gutter_dimensions,
10491 &gutter_hitbox,
10492 &text_hitbox,
10493 relative,
10494 current_selection_head,
10495 window,
10496 cx,
10497 )
10498 } else {
10499 None
10500 };
10501 self.editor.update(cx, |editor, _| {
10502 editor.scroll_manager.set_sticky_header_line_count(
10503 sticky_headers.as_ref().map_or(0, |h| h.lines.len()),
10504 );
10505 });
10506 let indent_guides =
10507 if scroll_pixel_position != preliminary_scroll_pixel_position {
10508 self.layout_indent_guides(
10509 content_origin,
10510 text_hitbox.origin,
10511 start_buffer_row..end_buffer_row,
10512 scroll_pixel_position,
10513 line_height,
10514 &snapshot,
10515 window,
10516 cx,
10517 )
10518 } else {
10519 indent_guides
10520 };
10521
10522 let crease_trailers =
10523 window.with_element_namespace("crease_trailers", |window| {
10524 self.prepaint_crease_trailers(
10525 crease_trailers,
10526 &line_layouts,
10527 line_height,
10528 content_origin,
10529 scroll_pixel_position,
10530 em_width,
10531 window,
10532 cx,
10533 )
10534 });
10535
10536 let (edit_prediction_popover, edit_prediction_popover_origin) = self
10537 .editor
10538 .update(cx, |editor, cx| {
10539 editor.render_edit_prediction_popover(
10540 &text_hitbox.bounds,
10541 content_origin,
10542 right_margin,
10543 &snapshot,
10544 start_row..end_row,
10545 scroll_position.y,
10546 scroll_position.y + height_in_lines,
10547 &line_layouts,
10548 line_height,
10549 scroll_position,
10550 scroll_pixel_position,
10551 newest_selection_head,
10552 editor_width,
10553 style,
10554 window,
10555 cx,
10556 )
10557 })
10558 .unzip();
10559
10560 let mut inline_diagnostics = self.layout_inline_diagnostics(
10561 &line_layouts,
10562 &crease_trailers,
10563 &row_block_types,
10564 content_origin,
10565 scroll_position,
10566 scroll_pixel_position,
10567 edit_prediction_popover_origin,
10568 start_row,
10569 end_row,
10570 line_height,
10571 em_width,
10572 style,
10573 window,
10574 cx,
10575 );
10576
10577 let mut inline_blame_layout = None;
10578 let mut inline_code_actions = None;
10579 if let Some(newest_selection_head) = newest_selection_head {
10580 let display_row = newest_selection_head.row();
10581 if (start_row..end_row).contains(&display_row)
10582 && !row_block_types.contains_key(&display_row)
10583 {
10584 inline_code_actions = self.layout_inline_code_actions(
10585 newest_selection_head,
10586 content_origin,
10587 scroll_position,
10588 scroll_pixel_position,
10589 line_height,
10590 &snapshot,
10591 window,
10592 cx,
10593 );
10594
10595 let line_ix = display_row.minus(start_row) as usize;
10596 if let (Some(row_info), Some(line_layout), Some(crease_trailer)) = (
10597 row_infos.get(line_ix),
10598 line_layouts.get(line_ix),
10599 crease_trailers.get(line_ix),
10600 ) {
10601 let crease_trailer_layout = crease_trailer.as_ref();
10602 if let Some(layout) = self.layout_inline_blame(
10603 display_row,
10604 row_info,
10605 line_layout,
10606 crease_trailer_layout,
10607 em_width,
10608 content_origin,
10609 scroll_position,
10610 scroll_pixel_position,
10611 line_height,
10612 window,
10613 cx,
10614 ) {
10615 inline_blame_layout = Some(layout);
10616 // Blame overrides inline diagnostics
10617 inline_diagnostics.remove(&display_row);
10618 }
10619 } else {
10620 log::error!(
10621 "bug: line_ix {} is out of bounds - row_infos.len(): {}, \
10622 line_layouts.len(): {}, \
10623 crease_trailers.len(): {}",
10624 line_ix,
10625 row_infos.len(),
10626 line_layouts.len(),
10627 crease_trailers.len(),
10628 );
10629 }
10630 }
10631 }
10632
10633 let blamed_display_rows = self.layout_blame_entries(
10634 &row_infos,
10635 em_width,
10636 scroll_position,
10637 line_height,
10638 &gutter_hitbox,
10639 gutter_dimensions.git_blame_entries_width,
10640 window,
10641 cx,
10642 );
10643
10644 let line_elements = self.prepaint_lines(
10645 start_row,
10646 &mut line_layouts,
10647 line_height,
10648 scroll_position,
10649 scroll_pixel_position,
10650 content_origin,
10651 window,
10652 cx,
10653 );
10654
10655 window.with_element_namespace("blocks", |window| {
10656 self.layout_blocks(
10657 &mut blocks,
10658 &hitbox,
10659 &gutter_hitbox,
10660 line_height,
10661 scroll_position,
10662 scroll_pixel_position,
10663 &editor_margins,
10664 window,
10665 cx,
10666 );
10667 self.layout_blocks(
10668 &mut spacer_blocks,
10669 &hitbox,
10670 &gutter_hitbox,
10671 line_height,
10672 scroll_position,
10673 scroll_pixel_position,
10674 &editor_margins,
10675 window,
10676 cx,
10677 );
10678 });
10679
10680 let cursors = self.collect_cursors(&snapshot, cx);
10681 let visible_row_range = start_row..end_row;
10682 let non_visible_cursors = cursors
10683 .iter()
10684 .any(|c| !visible_row_range.contains(&c.0.row()));
10685
10686 let visible_cursors = self.layout_visible_cursors(
10687 &snapshot,
10688 &selections,
10689 &row_block_types,
10690 start_row..end_row,
10691 &line_layouts,
10692 &text_hitbox,
10693 content_origin,
10694 scroll_position,
10695 scroll_pixel_position,
10696 line_height,
10697 em_width,
10698 em_advance,
10699 autoscroll_containing_element,
10700 &redacted_ranges,
10701 window,
10702 cx,
10703 );
10704
10705 let scrollbars_layout = self.layout_scrollbars(
10706 &snapshot,
10707 &scrollbar_layout_information,
10708 content_offset,
10709 scroll_position,
10710 non_visible_cursors,
10711 right_margin,
10712 editor_width,
10713 window,
10714 cx,
10715 );
10716
10717 let gutter_settings = EditorSettings::get_global(cx).gutter;
10718
10719 let context_menu_layout =
10720 if let Some(newest_selection_head) = newest_selection_head {
10721 let newest_selection_point =
10722 newest_selection_head.to_point(&snapshot.display_snapshot);
10723 if (start_row..end_row).contains(&newest_selection_head.row()) {
10724 self.layout_cursor_popovers(
10725 line_height,
10726 &text_hitbox,
10727 content_origin,
10728 right_margin,
10729 start_row,
10730 scroll_pixel_position,
10731 &line_layouts,
10732 newest_selection_head,
10733 newest_selection_point,
10734 style,
10735 window,
10736 cx,
10737 )
10738 } else {
10739 None
10740 }
10741 } else {
10742 None
10743 };
10744
10745 self.layout_gutter_menu(
10746 line_height,
10747 &text_hitbox,
10748 content_origin,
10749 right_margin,
10750 scroll_pixel_position,
10751 gutter_dimensions.width - gutter_dimensions.left_padding,
10752 window,
10753 cx,
10754 );
10755
10756 let test_indicators = if gutter_settings.runnables {
10757 self.layout_run_indicators(
10758 line_height,
10759 start_row..end_row,
10760 &row_infos,
10761 scroll_position,
10762 &gutter_dimensions,
10763 &gutter_hitbox,
10764 &snapshot,
10765 &mut breakpoint_rows,
10766 window,
10767 cx,
10768 )
10769 } else {
10770 Vec::new()
10771 };
10772
10773 let show_breakpoints = snapshot
10774 .show_breakpoints
10775 .unwrap_or(gutter_settings.breakpoints);
10776 let breakpoints = if show_breakpoints {
10777 self.layout_breakpoints(
10778 line_height,
10779 start_row..end_row,
10780 scroll_position,
10781 &gutter_dimensions,
10782 &gutter_hitbox,
10783 &snapshot,
10784 breakpoint_rows,
10785 &row_infos,
10786 window,
10787 cx,
10788 )
10789 } else {
10790 Vec::new()
10791 };
10792
10793 let git_gutter_width = Self::gutter_strip_width(line_height)
10794 + gutter_dimensions
10795 .git_blame_entries_width
10796 .unwrap_or_default();
10797 let available_width = gutter_dimensions.left_padding - git_gutter_width;
10798
10799 let max_line_number_length = self
10800 .editor
10801 .read(cx)
10802 .buffer()
10803 .read(cx)
10804 .snapshot(cx)
10805 .widest_line_number()
10806 .ilog10()
10807 + 1;
10808
10809 let diff_review_button = self
10810 .should_render_diff_review_button(
10811 start_row..end_row,
10812 &row_infos,
10813 &snapshot,
10814 cx,
10815 )
10816 .map(|(display_row, buffer_row)| {
10817 let is_wide = max_line_number_length
10818 >= EditorSettings::get_global(cx).gutter.min_line_number_digits
10819 as u32
10820 && buffer_row.is_some_and(|row| {
10821 (row + 1).ilog10() + 1 == max_line_number_length
10822 })
10823 || gutter_dimensions.right_padding == px(0.);
10824
10825 let button_width = if is_wide {
10826 available_width - px(6.)
10827 } else {
10828 available_width + em_width - px(6.)
10829 };
10830
10831 let button = self.editor.update(cx, |editor, cx| {
10832 editor
10833 .render_diff_review_button(display_row, button_width, cx)
10834 .into_any_element()
10835 });
10836 prepaint_gutter_button(
10837 button,
10838 display_row,
10839 line_height,
10840 &gutter_dimensions,
10841 scroll_position,
10842 &gutter_hitbox,
10843 window,
10844 cx,
10845 )
10846 });
10847
10848 self.layout_signature_help(
10849 &hitbox,
10850 content_origin,
10851 scroll_pixel_position,
10852 newest_selection_head,
10853 start_row,
10854 &line_layouts,
10855 line_height,
10856 em_width,
10857 context_menu_layout,
10858 window,
10859 cx,
10860 );
10861
10862 if !cx.has_active_drag() {
10863 self.layout_hover_popovers(
10864 &snapshot,
10865 &hitbox,
10866 start_row..end_row,
10867 content_origin,
10868 scroll_pixel_position,
10869 &line_layouts,
10870 line_height,
10871 em_width,
10872 context_menu_layout,
10873 window,
10874 cx,
10875 );
10876
10877 self.layout_blame_popover(&snapshot, &hitbox, line_height, window, cx);
10878 }
10879
10880 let mouse_context_menu = self.layout_mouse_context_menu(
10881 &snapshot,
10882 start_row..end_row,
10883 content_origin,
10884 window,
10885 cx,
10886 );
10887
10888 window.with_element_namespace("crease_toggles", |window| {
10889 self.prepaint_crease_toggles(
10890 &mut crease_toggles,
10891 line_height,
10892 &gutter_dimensions,
10893 gutter_settings,
10894 scroll_pixel_position,
10895 &gutter_hitbox,
10896 window,
10897 cx,
10898 )
10899 });
10900
10901 window.with_element_namespace("expand_toggles", |window| {
10902 self.prepaint_expand_toggles(&mut expand_toggles, window, cx)
10903 });
10904
10905 let wrap_guides = self.layout_wrap_guides(
10906 em_advance,
10907 scroll_position,
10908 content_origin,
10909 scrollbars_layout.as_ref(),
10910 vertical_scrollbar_width,
10911 &hitbox,
10912 window,
10913 cx,
10914 );
10915
10916 let minimap = window.with_element_namespace("minimap", |window| {
10917 self.layout_minimap(
10918 &snapshot,
10919 minimap_width,
10920 scroll_position,
10921 &scrollbar_layout_information,
10922 scrollbars_layout.as_ref(),
10923 window,
10924 cx,
10925 )
10926 });
10927
10928 let invisible_symbol_font_size = font_size / 2.;
10929 let whitespace_map = &self
10930 .editor
10931 .read(cx)
10932 .buffer
10933 .read(cx)
10934 .language_settings(cx)
10935 .whitespace_map;
10936
10937 let tab_char = whitespace_map.tab.clone();
10938 let tab_len = tab_char.len();
10939 let tab_invisible = window.text_system().shape_line(
10940 tab_char,
10941 invisible_symbol_font_size,
10942 &[TextRun {
10943 len: tab_len,
10944 font: self.style.text.font(),
10945 color: cx.theme().colors().editor_invisible,
10946 ..Default::default()
10947 }],
10948 None,
10949 );
10950
10951 let space_char = whitespace_map.space.clone();
10952 let space_len = space_char.len();
10953 let space_invisible = window.text_system().shape_line(
10954 space_char,
10955 invisible_symbol_font_size,
10956 &[TextRun {
10957 len: space_len,
10958 font: self.style.text.font(),
10959 color: cx.theme().colors().editor_invisible,
10960 ..Default::default()
10961 }],
10962 None,
10963 );
10964
10965 let mode = snapshot.mode.clone();
10966
10967 let sticky_scroll_header_height = sticky_headers
10968 .as_ref()
10969 .and_then(|headers| headers.lines.last())
10970 .map_or(Pixels::ZERO, |last| last.offset + line_height);
10971
10972 let has_sticky_buffer_header =
10973 sticky_buffer_header.is_some() || sticky_header_excerpt_id.is_some();
10974 let sticky_header_height = if has_sticky_buffer_header {
10975 let full_height = FILE_HEADER_HEIGHT as f32 * line_height;
10976 let display_row = blocks
10977 .iter()
10978 .filter(|block| block.is_buffer_header)
10979 .find_map(|block| {
10980 block.row.filter(|row| row.0 > scroll_position.y as u32)
10981 });
10982 let offset = match display_row {
10983 Some(display_row) => {
10984 let max_row = display_row.0.saturating_sub(FILE_HEADER_HEIGHT);
10985 let offset = (scroll_position.y - max_row as f64).max(0.0);
10986 let slide_up =
10987 Pixels::from(offset * ScrollPixelOffset::from(line_height));
10988
10989 (full_height - slide_up).max(Pixels::ZERO)
10990 }
10991 None => full_height,
10992 };
10993 let header_bottom_padding =
10994 BUFFER_HEADER_PADDING.to_pixels(window.rem_size());
10995 sticky_scroll_header_height + offset - header_bottom_padding
10996 } else {
10997 sticky_scroll_header_height
10998 };
10999
11000 let (diff_hunk_controls, diff_hunk_control_bounds) =
11001 if is_read_only && !self.editor.read(cx).delegate_stage_and_restore {
11002 (vec![], vec![])
11003 } else {
11004 self.layout_diff_hunk_controls(
11005 start_row..end_row,
11006 &row_infos,
11007 &text_hitbox,
11008 current_selection_head,
11009 line_height,
11010 right_margin,
11011 scroll_pixel_position,
11012 sticky_header_height,
11013 &display_hunks,
11014 &highlighted_rows,
11015 self.editor.clone(),
11016 window,
11017 cx,
11018 )
11019 };
11020
11021 let position_map = Rc::new(PositionMap {
11022 size: bounds.size,
11023 visible_row_range,
11024 scroll_position,
11025 scroll_pixel_position,
11026 scroll_max,
11027 line_layouts,
11028 line_height,
11029 em_width,
11030 em_advance,
11031 em_layout_width,
11032 snapshot,
11033 text_align: self.style.text.text_align,
11034 content_width: text_hitbox.size.width,
11035 gutter_hitbox: gutter_hitbox.clone(),
11036 text_hitbox: text_hitbox.clone(),
11037 inline_blame_bounds: inline_blame_layout
11038 .as_ref()
11039 .map(|layout| (layout.bounds, layout.buffer_id, layout.entry.clone())),
11040 display_hunks: display_hunks.clone(),
11041 diff_hunk_control_bounds,
11042 });
11043
11044 self.editor.update(cx, |editor, _| {
11045 editor.last_position_map = Some(position_map.clone())
11046 });
11047
11048 EditorLayout {
11049 mode,
11050 position_map,
11051 visible_display_row_range: start_row..end_row,
11052 wrap_guides,
11053 indent_guides,
11054 hitbox,
11055 gutter_hitbox,
11056 display_hunks,
11057 content_origin,
11058 scrollbars_layout,
11059 minimap,
11060 active_rows,
11061 highlighted_rows,
11062 highlighted_ranges,
11063 highlighted_gutter_ranges,
11064 redacted_ranges,
11065 document_colors,
11066 line_elements,
11067 line_numbers,
11068 blamed_display_rows,
11069 inline_diagnostics,
11070 inline_blame_layout,
11071 inline_code_actions,
11072 blocks,
11073 spacer_blocks,
11074 cursors,
11075 visible_cursors,
11076 selections,
11077 edit_prediction_popover,
11078 diff_hunk_controls,
11079 mouse_context_menu,
11080 test_indicators,
11081 breakpoints,
11082 diff_review_button,
11083 crease_toggles,
11084 crease_trailers,
11085 tab_invisible,
11086 space_invisible,
11087 sticky_buffer_header,
11088 sticky_headers,
11089 expand_toggles,
11090 text_align: self.style.text.text_align,
11091 content_width: text_hitbox.size.width,
11092 }
11093 })
11094 })
11095 })
11096 }
11097
11098 fn paint(
11099 &mut self,
11100 _: Option<&GlobalElementId>,
11101 _inspector_id: Option<&gpui::InspectorElementId>,
11102 bounds: Bounds<gpui::Pixels>,
11103 _: &mut Self::RequestLayoutState,
11104 layout: &mut Self::PrepaintState,
11105 window: &mut Window,
11106 cx: &mut App,
11107 ) {
11108 if !layout.mode.is_minimap() {
11109 let focus_handle = self.editor.focus_handle(cx);
11110 let key_context = self
11111 .editor
11112 .update(cx, |editor, cx| editor.key_context(window, cx));
11113
11114 window.set_key_context(key_context);
11115 window.handle_input(
11116 &focus_handle,
11117 ElementInputHandler::new(bounds, self.editor.clone()),
11118 cx,
11119 );
11120 self.register_actions(window, cx);
11121 self.register_key_listeners(window, cx, layout);
11122 }
11123
11124 let text_style = TextStyleRefinement {
11125 font_size: Some(self.style.text.font_size),
11126 line_height: Some(self.style.text.line_height),
11127 ..Default::default()
11128 };
11129 let rem_size = self.rem_size(cx);
11130 window.with_rem_size(rem_size, |window| {
11131 window.with_text_style(Some(text_style), |window| {
11132 window.with_content_mask(Some(ContentMask { bounds }), |window| {
11133 self.paint_mouse_listeners(layout, window, cx);
11134 self.paint_background(layout, window, cx);
11135
11136 self.paint_indent_guides(layout, window, cx);
11137
11138 if layout.gutter_hitbox.size.width > Pixels::ZERO {
11139 self.paint_blamed_display_rows(layout, window, cx);
11140 self.paint_line_numbers(layout, window, cx);
11141 }
11142
11143 self.paint_text(layout, window, cx);
11144
11145 if !layout.spacer_blocks.is_empty() {
11146 window.with_element_namespace("blocks", |window| {
11147 self.paint_spacer_blocks(layout, window, cx);
11148 });
11149 }
11150
11151 if layout.gutter_hitbox.size.width > Pixels::ZERO {
11152 self.paint_gutter_highlights(layout, window, cx);
11153 self.paint_gutter_indicators(layout, window, cx);
11154 }
11155
11156 if !layout.blocks.is_empty() {
11157 window.with_element_namespace("blocks", |window| {
11158 self.paint_non_spacer_blocks(layout, window, cx);
11159 });
11160 }
11161
11162 window.with_element_namespace("blocks", |window| {
11163 if let Some(mut sticky_header) = layout.sticky_buffer_header.take() {
11164 sticky_header.paint(window, cx)
11165 }
11166 });
11167
11168 self.paint_sticky_headers(layout, window, cx);
11169 self.paint_minimap(layout, window, cx);
11170 self.paint_scrollbars(layout, window, cx);
11171 self.paint_edit_prediction_popover(layout, window, cx);
11172 self.paint_mouse_context_menu(layout, window, cx);
11173 });
11174 })
11175 })
11176 }
11177}
11178
11179pub(super) fn gutter_bounds(
11180 editor_bounds: Bounds<Pixels>,
11181 gutter_dimensions: GutterDimensions,
11182) -> Bounds<Pixels> {
11183 Bounds {
11184 origin: editor_bounds.origin,
11185 size: size(gutter_dimensions.width, editor_bounds.size.height),
11186 }
11187}
11188
11189#[derive(Clone, Copy)]
11190struct ContextMenuLayout {
11191 y_flipped: bool,
11192 bounds: Bounds<Pixels>,
11193}
11194
11195/// Holds information required for layouting the editor scrollbars.
11196struct ScrollbarLayoutInformation {
11197 /// The bounds of the editor area (excluding the content offset).
11198 editor_bounds: Bounds<Pixels>,
11199 /// The available range to scroll within the document.
11200 scroll_range: Size<Pixels>,
11201 /// The space available for one glyph in the editor.
11202 glyph_grid_cell: Size<Pixels>,
11203}
11204
11205impl ScrollbarLayoutInformation {
11206 pub fn new(
11207 editor_bounds: Bounds<Pixels>,
11208 glyph_grid_cell: Size<Pixels>,
11209 document_size: Size<Pixels>,
11210 longest_line_blame_width: Pixels,
11211 settings: &EditorSettings,
11212 ) -> Self {
11213 let vertical_overscroll = match settings.scroll_beyond_last_line {
11214 ScrollBeyondLastLine::OnePage => editor_bounds.size.height,
11215 ScrollBeyondLastLine::Off => glyph_grid_cell.height,
11216 ScrollBeyondLastLine::VerticalScrollMargin => {
11217 (1.0 + settings.vertical_scroll_margin) as f32 * glyph_grid_cell.height
11218 }
11219 };
11220
11221 let overscroll = size(longest_line_blame_width, vertical_overscroll);
11222
11223 ScrollbarLayoutInformation {
11224 editor_bounds,
11225 scroll_range: document_size + overscroll,
11226 glyph_grid_cell,
11227 }
11228 }
11229}
11230
11231impl IntoElement for EditorElement {
11232 type Element = Self;
11233
11234 fn into_element(self) -> Self::Element {
11235 self
11236 }
11237}
11238
11239pub struct EditorLayout {
11240 position_map: Rc<PositionMap>,
11241 hitbox: Hitbox,
11242 gutter_hitbox: Hitbox,
11243 content_origin: gpui::Point<Pixels>,
11244 scrollbars_layout: Option<EditorScrollbars>,
11245 minimap: Option<MinimapLayout>,
11246 mode: EditorMode,
11247 wrap_guides: SmallVec<[(Pixels, bool); 2]>,
11248 indent_guides: Option<Vec<IndentGuideLayout>>,
11249 visible_display_row_range: Range<DisplayRow>,
11250 active_rows: BTreeMap<DisplayRow, LineHighlightSpec>,
11251 highlighted_rows: BTreeMap<DisplayRow, LineHighlight>,
11252 line_elements: SmallVec<[AnyElement; 1]>,
11253 line_numbers: Arc<HashMap<MultiBufferRow, LineNumberLayout>>,
11254 display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
11255 blamed_display_rows: Option<Vec<AnyElement>>,
11256 inline_diagnostics: HashMap<DisplayRow, AnyElement>,
11257 inline_blame_layout: Option<InlineBlameLayout>,
11258 inline_code_actions: Option<AnyElement>,
11259 blocks: Vec<BlockLayout>,
11260 spacer_blocks: Vec<BlockLayout>,
11261 highlighted_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
11262 highlighted_gutter_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
11263 redacted_ranges: Vec<Range<DisplayPoint>>,
11264 cursors: Vec<(DisplayPoint, Hsla)>,
11265 visible_cursors: Vec<CursorLayout>,
11266 selections: Vec<(PlayerColor, Vec<SelectionLayout>)>,
11267 test_indicators: Vec<AnyElement>,
11268 breakpoints: Vec<AnyElement>,
11269 diff_review_button: Option<AnyElement>,
11270 crease_toggles: Vec<Option<AnyElement>>,
11271 expand_toggles: Vec<Option<(AnyElement, gpui::Point<Pixels>)>>,
11272 diff_hunk_controls: Vec<AnyElement>,
11273 crease_trailers: Vec<Option<CreaseTrailerLayout>>,
11274 edit_prediction_popover: Option<AnyElement>,
11275 mouse_context_menu: Option<AnyElement>,
11276 tab_invisible: ShapedLine,
11277 space_invisible: ShapedLine,
11278 sticky_buffer_header: Option<AnyElement>,
11279 sticky_headers: Option<StickyHeaders>,
11280 document_colors: Option<(DocumentColorsRenderMode, Vec<(Range<DisplayPoint>, Hsla)>)>,
11281 text_align: TextAlign,
11282 content_width: Pixels,
11283}
11284
11285struct StickyHeaders {
11286 lines: Vec<StickyHeaderLine>,
11287 gutter_background: Hsla,
11288 content_background: Hsla,
11289 gutter_right_padding: Pixels,
11290}
11291
11292struct StickyHeaderLine {
11293 row: DisplayRow,
11294 offset: Pixels,
11295 line: LineWithInvisibles,
11296 line_number: Option<ShapedLine>,
11297 elements: SmallVec<[AnyElement; 1]>,
11298 available_text_width: Pixels,
11299 target_anchor: Anchor,
11300 hitbox: Hitbox,
11301}
11302
11303impl EditorLayout {
11304 fn line_end_overshoot(&self) -> Pixels {
11305 0.15 * self.position_map.line_height
11306 }
11307}
11308
11309impl StickyHeaders {
11310 fn paint(
11311 &mut self,
11312 layout: &mut EditorLayout,
11313 whitespace_setting: ShowWhitespaceSetting,
11314 window: &mut Window,
11315 cx: &mut App,
11316 ) {
11317 let line_height = layout.position_map.line_height;
11318
11319 for line in self.lines.iter_mut().rev() {
11320 window.paint_layer(
11321 Bounds::new(
11322 layout.gutter_hitbox.origin + point(Pixels::ZERO, line.offset),
11323 size(line.hitbox.size.width, line_height),
11324 ),
11325 |window| {
11326 let gutter_bounds = Bounds::new(
11327 layout.gutter_hitbox.origin + point(Pixels::ZERO, line.offset),
11328 size(layout.gutter_hitbox.size.width, line_height),
11329 );
11330 window.paint_quad(fill(gutter_bounds, self.gutter_background));
11331
11332 let text_bounds = Bounds::new(
11333 layout.position_map.text_hitbox.origin + point(Pixels::ZERO, line.offset),
11334 size(line.available_text_width, line_height),
11335 );
11336 window.paint_quad(fill(text_bounds, self.content_background));
11337
11338 if line.hitbox.is_hovered(window) {
11339 let hover_overlay = cx.theme().colors().panel_overlay_hover;
11340 window.paint_quad(fill(gutter_bounds, hover_overlay));
11341 window.paint_quad(fill(text_bounds, hover_overlay));
11342 }
11343
11344 line.paint(
11345 layout,
11346 self.gutter_right_padding,
11347 line.available_text_width,
11348 layout.content_origin,
11349 line_height,
11350 whitespace_setting,
11351 window,
11352 cx,
11353 );
11354 },
11355 );
11356
11357 window.set_cursor_style(CursorStyle::PointingHand, &line.hitbox);
11358 }
11359 }
11360}
11361
11362impl StickyHeaderLine {
11363 fn new(
11364 row: DisplayRow,
11365 offset: Pixels,
11366 mut line: LineWithInvisibles,
11367 line_number: Option<ShapedLine>,
11368 target_anchor: Anchor,
11369 line_height: Pixels,
11370 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
11371 content_origin: gpui::Point<Pixels>,
11372 gutter_hitbox: &Hitbox,
11373 text_hitbox: &Hitbox,
11374 window: &mut Window,
11375 cx: &mut App,
11376 ) -> Self {
11377 let mut elements = SmallVec::<[AnyElement; 1]>::new();
11378 line.prepaint_with_custom_offset(
11379 line_height,
11380 scroll_pixel_position,
11381 content_origin,
11382 offset,
11383 &mut elements,
11384 window,
11385 cx,
11386 );
11387
11388 let hitbox_bounds = Bounds::new(
11389 gutter_hitbox.origin + point(Pixels::ZERO, offset),
11390 size(text_hitbox.right() - gutter_hitbox.left(), line_height),
11391 );
11392 let available_text_width =
11393 (hitbox_bounds.size.width - gutter_hitbox.size.width).max(Pixels::ZERO);
11394
11395 Self {
11396 row,
11397 offset,
11398 line,
11399 line_number,
11400 elements,
11401 available_text_width,
11402 target_anchor,
11403 hitbox: window.insert_hitbox(hitbox_bounds, HitboxBehavior::BlockMouseExceptScroll),
11404 }
11405 }
11406
11407 fn paint(
11408 &mut self,
11409 layout: &EditorLayout,
11410 gutter_right_padding: Pixels,
11411 available_text_width: Pixels,
11412 content_origin: gpui::Point<Pixels>,
11413 line_height: Pixels,
11414 whitespace_setting: ShowWhitespaceSetting,
11415 window: &mut Window,
11416 cx: &mut App,
11417 ) {
11418 window.with_content_mask(
11419 Some(ContentMask {
11420 bounds: Bounds::new(
11421 layout.position_map.text_hitbox.bounds.origin
11422 + point(Pixels::ZERO, self.offset),
11423 size(available_text_width, line_height),
11424 ),
11425 }),
11426 |window| {
11427 self.line.draw_with_custom_offset(
11428 layout,
11429 self.row,
11430 content_origin,
11431 self.offset,
11432 whitespace_setting,
11433 &[],
11434 window,
11435 cx,
11436 );
11437 for element in &mut self.elements {
11438 element.paint(window, cx);
11439 }
11440 },
11441 );
11442
11443 if let Some(line_number) = &self.line_number {
11444 let gutter_origin = layout.gutter_hitbox.origin + point(Pixels::ZERO, self.offset);
11445 let gutter_width = layout.gutter_hitbox.size.width;
11446 let origin = point(
11447 gutter_origin.x + gutter_width - gutter_right_padding - line_number.width,
11448 gutter_origin.y,
11449 );
11450 line_number
11451 .paint(origin, line_height, TextAlign::Left, None, window, cx)
11452 .log_err();
11453 }
11454 }
11455}
11456
11457#[derive(Debug)]
11458struct LineNumberSegment {
11459 shaped_line: ShapedLine,
11460 hitbox: Option<Hitbox>,
11461}
11462
11463#[derive(Debug)]
11464struct LineNumberLayout {
11465 segments: SmallVec<[LineNumberSegment; 1]>,
11466}
11467
11468struct ColoredRange<T> {
11469 start: T,
11470 end: T,
11471 color: Hsla,
11472}
11473
11474impl Along for ScrollbarAxes {
11475 type Unit = bool;
11476
11477 fn along(&self, axis: ScrollbarAxis) -> Self::Unit {
11478 match axis {
11479 ScrollbarAxis::Horizontal => self.horizontal,
11480 ScrollbarAxis::Vertical => self.vertical,
11481 }
11482 }
11483
11484 fn apply_along(&self, axis: ScrollbarAxis, f: impl FnOnce(Self::Unit) -> Self::Unit) -> Self {
11485 match axis {
11486 ScrollbarAxis::Horizontal => ScrollbarAxes {
11487 horizontal: f(self.horizontal),
11488 vertical: self.vertical,
11489 },
11490 ScrollbarAxis::Vertical => ScrollbarAxes {
11491 horizontal: self.horizontal,
11492 vertical: f(self.vertical),
11493 },
11494 }
11495 }
11496}
11497
11498#[derive(Clone)]
11499struct EditorScrollbars {
11500 pub vertical: Option<ScrollbarLayout>,
11501 pub horizontal: Option<ScrollbarLayout>,
11502 pub visible: bool,
11503}
11504
11505impl EditorScrollbars {
11506 pub fn from_scrollbar_axes(
11507 show_scrollbar: ScrollbarAxes,
11508 layout_information: &ScrollbarLayoutInformation,
11509 content_offset: gpui::Point<Pixels>,
11510 scroll_position: gpui::Point<f64>,
11511 scrollbar_width: Pixels,
11512 right_margin: Pixels,
11513 editor_width: Pixels,
11514 show_scrollbars: bool,
11515 scrollbar_state: Option<&ActiveScrollbarState>,
11516 window: &mut Window,
11517 ) -> Self {
11518 let ScrollbarLayoutInformation {
11519 editor_bounds,
11520 scroll_range,
11521 glyph_grid_cell,
11522 } = layout_information;
11523
11524 let viewport_size = size(editor_width, editor_bounds.size.height);
11525
11526 let scrollbar_bounds_for = |axis: ScrollbarAxis| match axis {
11527 ScrollbarAxis::Horizontal => Bounds::from_corner_and_size(
11528 Corner::BottomLeft,
11529 editor_bounds.bottom_left(),
11530 size(
11531 // The horizontal viewport size differs from the space available for the
11532 // horizontal scrollbar, so we have to manually stitch it together here.
11533 editor_bounds.size.width - right_margin,
11534 scrollbar_width,
11535 ),
11536 ),
11537 ScrollbarAxis::Vertical => Bounds::from_corner_and_size(
11538 Corner::TopRight,
11539 editor_bounds.top_right(),
11540 size(scrollbar_width, viewport_size.height),
11541 ),
11542 };
11543
11544 let mut create_scrollbar_layout = |axis| {
11545 let viewport_size = viewport_size.along(axis);
11546 let scroll_range = scroll_range.along(axis);
11547
11548 // We always want a vertical scrollbar track for scrollbar diagnostic visibility.
11549 (show_scrollbar.along(axis)
11550 && (axis == ScrollbarAxis::Vertical || scroll_range > viewport_size))
11551 .then(|| {
11552 ScrollbarLayout::new(
11553 window.insert_hitbox(scrollbar_bounds_for(axis), HitboxBehavior::Normal),
11554 viewport_size,
11555 scroll_range,
11556 glyph_grid_cell.along(axis),
11557 content_offset.along(axis),
11558 scroll_position.along(axis),
11559 show_scrollbars,
11560 axis,
11561 )
11562 .with_thumb_state(
11563 scrollbar_state.and_then(|state| state.thumb_state_for_axis(axis)),
11564 )
11565 })
11566 };
11567
11568 Self {
11569 vertical: create_scrollbar_layout(ScrollbarAxis::Vertical),
11570 horizontal: create_scrollbar_layout(ScrollbarAxis::Horizontal),
11571 visible: show_scrollbars,
11572 }
11573 }
11574
11575 pub fn iter_scrollbars(&self) -> impl Iterator<Item = (&ScrollbarLayout, ScrollbarAxis)> + '_ {
11576 [
11577 (&self.vertical, ScrollbarAxis::Vertical),
11578 (&self.horizontal, ScrollbarAxis::Horizontal),
11579 ]
11580 .into_iter()
11581 .filter_map(|(scrollbar, axis)| scrollbar.as_ref().map(|s| (s, axis)))
11582 }
11583
11584 /// Returns the currently hovered scrollbar axis, if any.
11585 pub fn get_hovered_axis(&self, window: &Window) -> Option<(&ScrollbarLayout, ScrollbarAxis)> {
11586 self.iter_scrollbars()
11587 .find(|s| s.0.hitbox.is_hovered(window))
11588 }
11589}
11590
11591#[derive(Clone)]
11592struct ScrollbarLayout {
11593 hitbox: Hitbox,
11594 visible_range: Range<ScrollOffset>,
11595 text_unit_size: Pixels,
11596 thumb_bounds: Option<Bounds<Pixels>>,
11597 thumb_state: ScrollbarThumbState,
11598}
11599
11600impl ScrollbarLayout {
11601 const BORDER_WIDTH: Pixels = px(1.0);
11602 const LINE_MARKER_HEIGHT: Pixels = px(2.0);
11603 const MIN_MARKER_HEIGHT: Pixels = px(5.0);
11604 const MIN_THUMB_SIZE: Pixels = px(25.0);
11605
11606 fn new(
11607 scrollbar_track_hitbox: Hitbox,
11608 viewport_size: Pixels,
11609 scroll_range: Pixels,
11610 glyph_space: Pixels,
11611 content_offset: Pixels,
11612 scroll_position: ScrollOffset,
11613 show_thumb: bool,
11614 axis: ScrollbarAxis,
11615 ) -> Self {
11616 let track_bounds = scrollbar_track_hitbox.bounds;
11617 // The length of the track available to the scrollbar thumb. We deliberately
11618 // exclude the content size here so that the thumb aligns with the content.
11619 let track_length = track_bounds.size.along(axis) - content_offset;
11620
11621 Self::new_with_hitbox_and_track_length(
11622 scrollbar_track_hitbox,
11623 track_length,
11624 viewport_size,
11625 scroll_range.into(),
11626 glyph_space,
11627 content_offset.into(),
11628 scroll_position,
11629 show_thumb,
11630 axis,
11631 )
11632 }
11633
11634 fn for_minimap(
11635 minimap_track_hitbox: Hitbox,
11636 visible_lines: f64,
11637 total_editor_lines: f64,
11638 minimap_line_height: Pixels,
11639 scroll_position: ScrollOffset,
11640 minimap_scroll_top: ScrollOffset,
11641 show_thumb: bool,
11642 ) -> Self {
11643 // The scrollbar thumb size is calculated as
11644 // (visible_content/total_content) Γ scrollbar_track_length.
11645 //
11646 // For the minimap's thumb layout, we leverage this by setting the
11647 // scrollbar track length to the entire document size (using minimap line
11648 // height). This creates a thumb that exactly represents the editor
11649 // viewport scaled to minimap proportions.
11650 //
11651 // We adjust the thumb position relative to `minimap_scroll_top` to
11652 // accommodate for the deliberately oversized track.
11653 //
11654 // This approach ensures that the minimap thumb accurately reflects the
11655 // editor's current scroll position whilst nicely synchronizing the minimap
11656 // thumb and scrollbar thumb.
11657 let scroll_range = total_editor_lines * f64::from(minimap_line_height);
11658 let viewport_size = visible_lines * f64::from(minimap_line_height);
11659
11660 let track_top_offset = -minimap_scroll_top * f64::from(minimap_line_height);
11661
11662 Self::new_with_hitbox_and_track_length(
11663 minimap_track_hitbox,
11664 Pixels::from(scroll_range),
11665 Pixels::from(viewport_size),
11666 scroll_range,
11667 minimap_line_height,
11668 track_top_offset,
11669 scroll_position,
11670 show_thumb,
11671 ScrollbarAxis::Vertical,
11672 )
11673 }
11674
11675 fn new_with_hitbox_and_track_length(
11676 scrollbar_track_hitbox: Hitbox,
11677 track_length: Pixels,
11678 viewport_size: Pixels,
11679 scroll_range: f64,
11680 glyph_space: Pixels,
11681 content_offset: ScrollOffset,
11682 scroll_position: ScrollOffset,
11683 show_thumb: bool,
11684 axis: ScrollbarAxis,
11685 ) -> Self {
11686 let text_units_per_page = viewport_size.to_f64() / glyph_space.to_f64();
11687 let visible_range = scroll_position..scroll_position + text_units_per_page;
11688 let total_text_units = scroll_range / glyph_space.to_f64();
11689
11690 let thumb_percentage = text_units_per_page / total_text_units;
11691 let thumb_size = Pixels::from(ScrollOffset::from(track_length) * thumb_percentage)
11692 .max(ScrollbarLayout::MIN_THUMB_SIZE)
11693 .min(track_length);
11694
11695 let text_unit_divisor = (total_text_units - text_units_per_page).max(0.);
11696
11697 let content_larger_than_viewport = text_unit_divisor > 0.;
11698
11699 let text_unit_size = if content_larger_than_viewport {
11700 Pixels::from(ScrollOffset::from(track_length - thumb_size) / text_unit_divisor)
11701 } else {
11702 glyph_space
11703 };
11704
11705 let thumb_bounds = (show_thumb && content_larger_than_viewport).then(|| {
11706 Self::thumb_bounds(
11707 &scrollbar_track_hitbox,
11708 content_offset,
11709 visible_range.start,
11710 text_unit_size,
11711 thumb_size,
11712 axis,
11713 )
11714 });
11715
11716 ScrollbarLayout {
11717 hitbox: scrollbar_track_hitbox,
11718 visible_range,
11719 text_unit_size,
11720 thumb_bounds,
11721 thumb_state: Default::default(),
11722 }
11723 }
11724
11725 fn with_thumb_state(self, thumb_state: Option<ScrollbarThumbState>) -> Self {
11726 if let Some(thumb_state) = thumb_state {
11727 Self {
11728 thumb_state,
11729 ..self
11730 }
11731 } else {
11732 self
11733 }
11734 }
11735
11736 fn thumb_bounds(
11737 scrollbar_track: &Hitbox,
11738 content_offset: f64,
11739 visible_range_start: f64,
11740 text_unit_size: Pixels,
11741 thumb_size: Pixels,
11742 axis: ScrollbarAxis,
11743 ) -> Bounds<Pixels> {
11744 let thumb_origin = scrollbar_track.origin.apply_along(axis, |origin| {
11745 origin
11746 + Pixels::from(
11747 content_offset + visible_range_start * ScrollOffset::from(text_unit_size),
11748 )
11749 });
11750 Bounds::new(
11751 thumb_origin,
11752 scrollbar_track.size.apply_along(axis, |_| thumb_size),
11753 )
11754 }
11755
11756 fn thumb_hovered(&self, position: &gpui::Point<Pixels>) -> bool {
11757 self.thumb_bounds
11758 .is_some_and(|bounds| bounds.contains(position))
11759 }
11760
11761 fn marker_quads_for_ranges(
11762 &self,
11763 row_ranges: impl IntoIterator<Item = ColoredRange<DisplayRow>>,
11764 column: Option<usize>,
11765 ) -> Vec<PaintQuad> {
11766 struct MinMax {
11767 min: Pixels,
11768 max: Pixels,
11769 }
11770 let (x_range, height_limit) = if let Some(column) = column {
11771 let column_width = ((self.hitbox.size.width - Self::BORDER_WIDTH) / 3.0).floor();
11772 let start = Self::BORDER_WIDTH + (column as f32 * column_width);
11773 let end = start + column_width;
11774 (
11775 Range { start, end },
11776 MinMax {
11777 min: Self::MIN_MARKER_HEIGHT,
11778 max: px(f32::MAX),
11779 },
11780 )
11781 } else {
11782 (
11783 Range {
11784 start: Self::BORDER_WIDTH,
11785 end: self.hitbox.size.width,
11786 },
11787 MinMax {
11788 min: Self::LINE_MARKER_HEIGHT,
11789 max: Self::LINE_MARKER_HEIGHT,
11790 },
11791 )
11792 };
11793
11794 let row_to_y = |row: DisplayRow| row.as_f64() as f32 * self.text_unit_size;
11795 let mut pixel_ranges = row_ranges
11796 .into_iter()
11797 .map(|range| {
11798 let start_y = row_to_y(range.start);
11799 let end_y = row_to_y(range.end)
11800 + self
11801 .text_unit_size
11802 .max(height_limit.min)
11803 .min(height_limit.max);
11804 ColoredRange {
11805 start: start_y,
11806 end: end_y,
11807 color: range.color,
11808 }
11809 })
11810 .peekable();
11811
11812 let mut quads = Vec::new();
11813 while let Some(mut pixel_range) = pixel_ranges.next() {
11814 while let Some(next_pixel_range) = pixel_ranges.peek() {
11815 if pixel_range.end >= next_pixel_range.start - px(1.0)
11816 && pixel_range.color == next_pixel_range.color
11817 {
11818 pixel_range.end = next_pixel_range.end.max(pixel_range.end);
11819 pixel_ranges.next();
11820 } else {
11821 break;
11822 }
11823 }
11824
11825 let bounds = Bounds::from_corners(
11826 point(x_range.start, pixel_range.start),
11827 point(x_range.end, pixel_range.end),
11828 );
11829 quads.push(quad(
11830 bounds,
11831 Corners::default(),
11832 pixel_range.color,
11833 Edges::default(),
11834 Hsla::transparent_black(),
11835 BorderStyle::default(),
11836 ));
11837 }
11838
11839 quads
11840 }
11841}
11842
11843struct MinimapLayout {
11844 pub minimap: AnyElement,
11845 pub thumb_layout: ScrollbarLayout,
11846 pub minimap_scroll_top: ScrollOffset,
11847 pub minimap_line_height: Pixels,
11848 pub thumb_border_style: MinimapThumbBorder,
11849 pub max_scroll_top: ScrollOffset,
11850}
11851
11852impl MinimapLayout {
11853 /// The minimum width of the minimap in columns. If the minimap is smaller than this, it will be hidden.
11854 const MINIMAP_MIN_WIDTH_COLUMNS: f32 = 20.;
11855 /// The minimap width as a percentage of the editor width.
11856 const MINIMAP_WIDTH_PCT: f32 = 0.15;
11857 /// Calculates the scroll top offset the minimap editor has to have based on the
11858 /// current scroll progress.
11859 fn calculate_minimap_top_offset(
11860 document_lines: f64,
11861 visible_editor_lines: f64,
11862 visible_minimap_lines: f64,
11863 scroll_position: f64,
11864 ) -> ScrollOffset {
11865 let non_visible_document_lines = (document_lines - visible_editor_lines).max(0.);
11866 if non_visible_document_lines == 0. {
11867 0.
11868 } else {
11869 let scroll_percentage = (scroll_position / non_visible_document_lines).clamp(0., 1.);
11870 scroll_percentage * (document_lines - visible_minimap_lines).max(0.)
11871 }
11872 }
11873}
11874
11875struct CreaseTrailerLayout {
11876 element: AnyElement,
11877 bounds: Bounds<Pixels>,
11878}
11879
11880pub(crate) struct PositionMap {
11881 pub size: Size<Pixels>,
11882 pub line_height: Pixels,
11883 pub scroll_position: gpui::Point<ScrollOffset>,
11884 pub scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
11885 pub scroll_max: gpui::Point<ScrollOffset>,
11886 pub em_width: Pixels,
11887 pub em_advance: Pixels,
11888 pub em_layout_width: Pixels,
11889 pub visible_row_range: Range<DisplayRow>,
11890 pub line_layouts: Vec<LineWithInvisibles>,
11891 pub snapshot: EditorSnapshot,
11892 pub text_align: TextAlign,
11893 pub content_width: Pixels,
11894 pub text_hitbox: Hitbox,
11895 pub gutter_hitbox: Hitbox,
11896 pub inline_blame_bounds: Option<(Bounds<Pixels>, BufferId, BlameEntry)>,
11897 pub display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
11898 pub diff_hunk_control_bounds: Vec<(DisplayRow, Bounds<Pixels>)>,
11899}
11900
11901#[derive(Debug, Copy, Clone)]
11902pub struct PointForPosition {
11903 pub previous_valid: DisplayPoint,
11904 pub next_valid: DisplayPoint,
11905 pub exact_unclipped: DisplayPoint,
11906 pub column_overshoot_after_line_end: u32,
11907}
11908
11909impl PointForPosition {
11910 pub fn as_valid(&self) -> Option<DisplayPoint> {
11911 if self.previous_valid == self.exact_unclipped && self.next_valid == self.exact_unclipped {
11912 Some(self.previous_valid)
11913 } else {
11914 None
11915 }
11916 }
11917
11918 pub fn intersects_selection(&self, selection: &Selection<DisplayPoint>) -> bool {
11919 let Some(valid_point) = self.as_valid() else {
11920 return false;
11921 };
11922 let range = selection.range();
11923
11924 let candidate_row = valid_point.row();
11925 let candidate_col = valid_point.column();
11926
11927 let start_row = range.start.row();
11928 let start_col = range.start.column();
11929 let end_row = range.end.row();
11930 let end_col = range.end.column();
11931
11932 if candidate_row < start_row || candidate_row > end_row {
11933 false
11934 } else if start_row == end_row {
11935 candidate_col >= start_col && candidate_col < end_col
11936 } else if candidate_row == start_row {
11937 candidate_col >= start_col
11938 } else if candidate_row == end_row {
11939 candidate_col < end_col
11940 } else {
11941 true
11942 }
11943 }
11944}
11945
11946impl PositionMap {
11947 pub(crate) fn point_for_position(&self, position: gpui::Point<Pixels>) -> PointForPosition {
11948 let text_bounds = self.text_hitbox.bounds;
11949 let scroll_position = self.snapshot.scroll_position();
11950 let position = position - text_bounds.origin;
11951 let y = position.y.max(px(0.)).min(self.size.height);
11952 let x = position.x + (scroll_position.x as f32 * self.em_layout_width);
11953 let row = ((y / self.line_height) as f64 + scroll_position.y) as u32;
11954
11955 let (column, x_overshoot_after_line_end) = if let Some(line) = self
11956 .line_layouts
11957 .get(row as usize - scroll_position.y as usize)
11958 {
11959 let alignment_offset = line.alignment_offset(self.text_align, self.content_width);
11960 let x_relative_to_text = x - alignment_offset;
11961 if let Some(ix) = line.index_for_x(x_relative_to_text) {
11962 (ix as u32, px(0.))
11963 } else {
11964 (line.len as u32, px(0.).max(x_relative_to_text - line.width))
11965 }
11966 } else {
11967 (0, x)
11968 };
11969
11970 let mut exact_unclipped = DisplayPoint::new(DisplayRow(row), column);
11971 let previous_valid = self.snapshot.clip_point(exact_unclipped, Bias::Left);
11972 let next_valid = self.snapshot.clip_point(exact_unclipped, Bias::Right);
11973
11974 let column_overshoot_after_line_end =
11975 (x_overshoot_after_line_end / self.em_layout_width) as u32;
11976 *exact_unclipped.column_mut() += column_overshoot_after_line_end;
11977 PointForPosition {
11978 previous_valid,
11979 next_valid,
11980 exact_unclipped,
11981 column_overshoot_after_line_end,
11982 }
11983 }
11984}
11985
11986pub(crate) struct BlockLayout {
11987 pub(crate) id: BlockId,
11988 pub(crate) x_offset: Pixels,
11989 pub(crate) row: Option<DisplayRow>,
11990 pub(crate) element: AnyElement,
11991 pub(crate) available_space: Size<AvailableSpace>,
11992 pub(crate) style: BlockStyle,
11993 pub(crate) overlaps_gutter: bool,
11994 pub(crate) is_buffer_header: bool,
11995}
11996
11997pub fn layout_line(
11998 row: DisplayRow,
11999 snapshot: &EditorSnapshot,
12000 style: &EditorStyle,
12001 text_width: Pixels,
12002 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
12003 window: &mut Window,
12004 cx: &mut App,
12005) -> LineWithInvisibles {
12006 let use_tree_sitter =
12007 !snapshot.semantic_tokens_enabled || snapshot.use_tree_sitter_for_syntax(row, cx);
12008 let chunks = snapshot.highlighted_chunks(row..row + DisplayRow(1), use_tree_sitter, style);
12009 LineWithInvisibles::from_chunks(
12010 chunks,
12011 style,
12012 MAX_LINE_LEN,
12013 1,
12014 &snapshot.mode,
12015 text_width,
12016 is_row_soft_wrapped,
12017 &[],
12018 window,
12019 cx,
12020 )
12021 .pop()
12022 .unwrap()
12023}
12024
12025#[derive(Debug, Clone)]
12026pub struct IndentGuideLayout {
12027 origin: gpui::Point<Pixels>,
12028 length: Pixels,
12029 single_indent_width: Pixels,
12030 display_row_range: Range<DisplayRow>,
12031 depth: u32,
12032 active: bool,
12033 settings: IndentGuideSettings,
12034}
12035
12036pub struct CursorLayout {
12037 origin: gpui::Point<Pixels>,
12038 block_width: Pixels,
12039 line_height: Pixels,
12040 color: Hsla,
12041 shape: CursorShape,
12042 block_text: Option<ShapedLine>,
12043 cursor_name: Option<AnyElement>,
12044}
12045
12046#[derive(Debug)]
12047pub struct CursorName {
12048 string: SharedString,
12049 color: Hsla,
12050 is_top_row: bool,
12051}
12052
12053impl CursorLayout {
12054 pub fn new(
12055 origin: gpui::Point<Pixels>,
12056 block_width: Pixels,
12057 line_height: Pixels,
12058 color: Hsla,
12059 shape: CursorShape,
12060 block_text: Option<ShapedLine>,
12061 ) -> CursorLayout {
12062 CursorLayout {
12063 origin,
12064 block_width,
12065 line_height,
12066 color,
12067 shape,
12068 block_text,
12069 cursor_name: None,
12070 }
12071 }
12072
12073 pub fn bounding_rect(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
12074 Bounds {
12075 origin: self.origin + origin,
12076 size: size(self.block_width, self.line_height),
12077 }
12078 }
12079
12080 fn bounds(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
12081 match self.shape {
12082 CursorShape::Bar => Bounds {
12083 origin: self.origin + origin,
12084 size: size(px(2.0), self.line_height),
12085 },
12086 CursorShape::Block | CursorShape::Hollow => Bounds {
12087 origin: self.origin + origin,
12088 size: size(self.block_width, self.line_height),
12089 },
12090 CursorShape::Underline => Bounds {
12091 origin: self.origin
12092 + origin
12093 + gpui::Point::new(Pixels::ZERO, self.line_height - px(2.0)),
12094 size: size(self.block_width, px(2.0)),
12095 },
12096 }
12097 }
12098
12099 pub fn layout(
12100 &mut self,
12101 origin: gpui::Point<Pixels>,
12102 cursor_name: Option<CursorName>,
12103 window: &mut Window,
12104 cx: &mut App,
12105 ) {
12106 if let Some(cursor_name) = cursor_name {
12107 let bounds = self.bounds(origin);
12108 let text_size = self.line_height / 1.5;
12109
12110 let name_origin = if cursor_name.is_top_row {
12111 point(bounds.right() - px(1.), bounds.top())
12112 } else {
12113 match self.shape {
12114 CursorShape::Bar => point(
12115 bounds.right() - px(2.),
12116 bounds.top() - text_size / 2. - px(1.),
12117 ),
12118 _ => point(
12119 bounds.right() - px(1.),
12120 bounds.top() - text_size / 2. - px(1.),
12121 ),
12122 }
12123 };
12124 let mut name_element = div()
12125 .bg(self.color)
12126 .text_size(text_size)
12127 .px_0p5()
12128 .line_height(text_size + px(2.))
12129 .text_color(cursor_name.color)
12130 .child(cursor_name.string)
12131 .into_any_element();
12132
12133 name_element.prepaint_as_root(name_origin, AvailableSpace::min_size(), window, cx);
12134
12135 self.cursor_name = Some(name_element);
12136 }
12137 }
12138
12139 pub fn paint(&mut self, origin: gpui::Point<Pixels>, window: &mut Window, cx: &mut App) {
12140 let bounds = self.bounds(origin);
12141
12142 //Draw background or border quad
12143 let cursor = if matches!(self.shape, CursorShape::Hollow) {
12144 outline(bounds, self.color, BorderStyle::Solid)
12145 } else {
12146 fill(bounds, self.color)
12147 };
12148
12149 if let Some(name) = &mut self.cursor_name {
12150 name.paint(window, cx);
12151 }
12152
12153 window.paint_quad(cursor);
12154
12155 if let Some(block_text) = &self.block_text {
12156 block_text
12157 .paint(
12158 self.origin + origin,
12159 self.line_height,
12160 TextAlign::Left,
12161 None,
12162 window,
12163 cx,
12164 )
12165 .log_err();
12166 }
12167 }
12168
12169 pub fn shape(&self) -> CursorShape {
12170 self.shape
12171 }
12172}
12173
12174#[derive(Debug)]
12175pub struct HighlightedRange {
12176 pub start_y: Pixels,
12177 pub line_height: Pixels,
12178 pub lines: Vec<HighlightedRangeLine>,
12179 pub color: Hsla,
12180 pub corner_radius: Pixels,
12181}
12182
12183#[derive(Debug)]
12184pub struct HighlightedRangeLine {
12185 pub start_x: Pixels,
12186 pub end_x: Pixels,
12187}
12188
12189impl HighlightedRange {
12190 pub fn paint(&self, fill: bool, bounds: Bounds<Pixels>, window: &mut Window) {
12191 if self.lines.len() >= 2 && self.lines[0].start_x > self.lines[1].end_x {
12192 self.paint_lines(self.start_y, &self.lines[0..1], fill, bounds, window);
12193 self.paint_lines(
12194 self.start_y + self.line_height,
12195 &self.lines[1..],
12196 fill,
12197 bounds,
12198 window,
12199 );
12200 } else {
12201 self.paint_lines(self.start_y, &self.lines, fill, bounds, window);
12202 }
12203 }
12204
12205 fn paint_lines(
12206 &self,
12207 start_y: Pixels,
12208 lines: &[HighlightedRangeLine],
12209 fill: bool,
12210 _bounds: Bounds<Pixels>,
12211 window: &mut Window,
12212 ) {
12213 if lines.is_empty() {
12214 return;
12215 }
12216
12217 let first_line = lines.first().unwrap();
12218 let last_line = lines.last().unwrap();
12219
12220 let first_top_left = point(first_line.start_x, start_y);
12221 let first_top_right = point(first_line.end_x, start_y);
12222
12223 let curve_height = point(Pixels::ZERO, self.corner_radius);
12224 let curve_width = |start_x: Pixels, end_x: Pixels| {
12225 let max = (end_x - start_x) / 2.;
12226 let width = if max < self.corner_radius {
12227 max
12228 } else {
12229 self.corner_radius
12230 };
12231
12232 point(width, Pixels::ZERO)
12233 };
12234
12235 let top_curve_width = curve_width(first_line.start_x, first_line.end_x);
12236 let mut builder = if fill {
12237 gpui::PathBuilder::fill()
12238 } else {
12239 gpui::PathBuilder::stroke(px(1.))
12240 };
12241 builder.move_to(first_top_right - top_curve_width);
12242 builder.curve_to(first_top_right + curve_height, first_top_right);
12243
12244 let mut iter = lines.iter().enumerate().peekable();
12245 while let Some((ix, line)) = iter.next() {
12246 let bottom_right = point(line.end_x, start_y + (ix + 1) as f32 * self.line_height);
12247
12248 if let Some((_, next_line)) = iter.peek() {
12249 let next_top_right = point(next_line.end_x, bottom_right.y);
12250
12251 match next_top_right.x.partial_cmp(&bottom_right.x).unwrap() {
12252 Ordering::Equal => {
12253 builder.line_to(bottom_right);
12254 }
12255 Ordering::Less => {
12256 let curve_width = curve_width(next_top_right.x, bottom_right.x);
12257 builder.line_to(bottom_right - curve_height);
12258 if self.corner_radius > Pixels::ZERO {
12259 builder.curve_to(bottom_right - curve_width, bottom_right);
12260 }
12261 builder.line_to(next_top_right + curve_width);
12262 if self.corner_radius > Pixels::ZERO {
12263 builder.curve_to(next_top_right + curve_height, next_top_right);
12264 }
12265 }
12266 Ordering::Greater => {
12267 let curve_width = curve_width(bottom_right.x, next_top_right.x);
12268 builder.line_to(bottom_right - curve_height);
12269 if self.corner_radius > Pixels::ZERO {
12270 builder.curve_to(bottom_right + curve_width, bottom_right);
12271 }
12272 builder.line_to(next_top_right - curve_width);
12273 if self.corner_radius > Pixels::ZERO {
12274 builder.curve_to(next_top_right + curve_height, next_top_right);
12275 }
12276 }
12277 }
12278 } else {
12279 let curve_width = curve_width(line.start_x, line.end_x);
12280 builder.line_to(bottom_right - curve_height);
12281 if self.corner_radius > Pixels::ZERO {
12282 builder.curve_to(bottom_right - curve_width, bottom_right);
12283 }
12284
12285 let bottom_left = point(line.start_x, bottom_right.y);
12286 builder.line_to(bottom_left + curve_width);
12287 if self.corner_radius > Pixels::ZERO {
12288 builder.curve_to(bottom_left - curve_height, bottom_left);
12289 }
12290 }
12291 }
12292
12293 if first_line.start_x > last_line.start_x {
12294 let curve_width = curve_width(last_line.start_x, first_line.start_x);
12295 let second_top_left = point(last_line.start_x, start_y + self.line_height);
12296 builder.line_to(second_top_left + curve_height);
12297 if self.corner_radius > Pixels::ZERO {
12298 builder.curve_to(second_top_left + curve_width, second_top_left);
12299 }
12300 let first_bottom_left = point(first_line.start_x, second_top_left.y);
12301 builder.line_to(first_bottom_left - curve_width);
12302 if self.corner_radius > Pixels::ZERO {
12303 builder.curve_to(first_bottom_left - curve_height, first_bottom_left);
12304 }
12305 }
12306
12307 builder.line_to(first_top_left + curve_height);
12308 if self.corner_radius > Pixels::ZERO {
12309 builder.curve_to(first_top_left + top_curve_width, first_top_left);
12310 }
12311 builder.line_to(first_top_right - top_curve_width);
12312
12313 if let Ok(path) = builder.build() {
12314 window.paint_path(path, self.color);
12315 }
12316 }
12317}
12318
12319pub(crate) struct StickyHeader {
12320 pub item: language::OutlineItem<Anchor>,
12321 pub sticky_row: DisplayRow,
12322 pub start_point: Point,
12323 pub offset: ScrollOffset,
12324}
12325
12326enum CursorPopoverType {
12327 CodeContextMenu,
12328 EditPrediction,
12329}
12330
12331pub fn scale_vertical_mouse_autoscroll_delta(delta: Pixels) -> f32 {
12332 (delta.pow(1.2) / 100.0).min(px(3.0)).into()
12333}
12334
12335fn scale_horizontal_mouse_autoscroll_delta(delta: Pixels) -> f32 {
12336 (delta.pow(1.2) / 300.0).into()
12337}
12338
12339pub fn register_action<T: Action>(
12340 editor: &Entity<Editor>,
12341 window: &mut Window,
12342 listener: impl Fn(&mut Editor, &T, &mut Window, &mut Context<Editor>) + 'static,
12343) {
12344 let editor = editor.clone();
12345 window.on_action(TypeId::of::<T>(), move |action, phase, window, cx| {
12346 let action = action.downcast_ref().unwrap();
12347 if phase == DispatchPhase::Bubble {
12348 editor.update(cx, |editor, cx| {
12349 listener(editor, action, window, cx);
12350 })
12351 }
12352 })
12353}
12354
12355/// Shared between `prepaint` and `compute_auto_height_layout` to ensure
12356/// both full and auto-height editors compute wrap widths consistently.
12357fn calculate_wrap_width(
12358 soft_wrap: SoftWrap,
12359 editor_width: Pixels,
12360 em_width: Pixels,
12361) -> Option<Pixels> {
12362 let wrap_width_for = |column: u32| (column as f32 * em_width).ceil();
12363
12364 match soft_wrap {
12365 SoftWrap::GitDiff => None,
12366 SoftWrap::None => Some(wrap_width_for(MAX_LINE_LEN as u32 / 2)),
12367 SoftWrap::EditorWidth => Some(editor_width),
12368 SoftWrap::Column(column) => Some(wrap_width_for(column)),
12369 SoftWrap::Bounded(column) => Some(editor_width.min(wrap_width_for(column))),
12370 }
12371}
12372
12373fn compute_auto_height_layout(
12374 editor: &mut Editor,
12375 min_lines: usize,
12376 max_lines: Option<usize>,
12377 known_dimensions: Size<Option<Pixels>>,
12378 available_width: AvailableSpace,
12379 window: &mut Window,
12380 cx: &mut Context<Editor>,
12381) -> Option<Size<Pixels>> {
12382 let width = known_dimensions.width.or({
12383 if let AvailableSpace::Definite(available_width) = available_width {
12384 Some(available_width)
12385 } else {
12386 None
12387 }
12388 })?;
12389 if let Some(height) = known_dimensions.height {
12390 return Some(size(width, height));
12391 }
12392
12393 let style = editor.style.as_ref().unwrap();
12394 let font_id = window.text_system().resolve_font(&style.text.font());
12395 let font_size = style.text.font_size.to_pixels(window.rem_size());
12396 let line_height = style.text.line_height_in_pixels(window.rem_size());
12397 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
12398
12399 let mut snapshot = editor.snapshot(window, cx);
12400 let gutter_dimensions = snapshot.gutter_dimensions(font_id, font_size, style, window, cx);
12401
12402 editor.gutter_dimensions = gutter_dimensions;
12403 let text_width = width - gutter_dimensions.width;
12404 let overscroll = size(em_width, px(0.));
12405
12406 let editor_width = text_width - gutter_dimensions.margin - overscroll.width - em_width;
12407 let wrap_width = calculate_wrap_width(editor.soft_wrap_mode(cx), editor_width, em_width);
12408 if wrap_width.is_some() && editor.set_wrap_width(wrap_width, cx) {
12409 snapshot = editor.snapshot(window, cx);
12410 }
12411
12412 let scroll_height = (snapshot.max_point().row().next_row().0 as f32) * line_height;
12413
12414 let min_height = line_height * min_lines as f32;
12415 let content_height = scroll_height.max(min_height);
12416
12417 let final_height = if let Some(max_lines) = max_lines {
12418 let max_height = line_height * max_lines as f32;
12419 content_height.min(max_height)
12420 } else {
12421 content_height
12422 };
12423
12424 Some(size(width, final_height))
12425}
12426
12427#[cfg(test)]
12428mod tests {
12429 use super::*;
12430 use crate::{
12431 Editor, MultiBuffer, SelectionEffects,
12432 display_map::{BlockPlacement, BlockProperties},
12433 editor_tests::{init_test, update_test_language_settings},
12434 };
12435 use gpui::{TestAppContext, VisualTestContext};
12436 use language::{Buffer, language_settings, tree_sitter_python};
12437 use log::info;
12438 use rand::{RngCore, rngs::StdRng};
12439 use std::num::NonZeroU32;
12440 use util::test::sample_text;
12441
12442 #[gpui::test]
12443 async fn test_soft_wrap_editor_width_auto_height_editor(cx: &mut TestAppContext) {
12444 init_test(cx, |_| {});
12445 let window = cx.add_window(|window, cx| {
12446 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
12447 let mut editor = Editor::new(
12448 EditorMode::AutoHeight {
12449 min_lines: 1,
12450 max_lines: None,
12451 },
12452 buffer,
12453 None,
12454 window,
12455 cx,
12456 );
12457 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
12458 editor
12459 });
12460 let cx = &mut VisualTestContext::from_window(*window, cx);
12461 let editor = window.root(cx).unwrap();
12462 let style = cx.update(|_, cx| editor.update(cx, |editor, cx| editor.style(cx).clone()));
12463
12464 for x in 1..=100 {
12465 let (_, state) = cx.draw(
12466 Default::default(),
12467 size(px(200. + 0.13 * x as f32), px(500.)),
12468 |_, _| EditorElement::new(&editor, style.clone()),
12469 );
12470
12471 assert!(
12472 state.position_map.scroll_max.x == 0.,
12473 "Soft wrapped editor should have no horizontal scrolling!"
12474 );
12475 }
12476 }
12477
12478 #[gpui::test]
12479 async fn test_soft_wrap_editor_width_full_editor(cx: &mut TestAppContext) {
12480 init_test(cx, |_| {});
12481 let window = cx.add_window(|window, cx| {
12482 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
12483 let mut editor = Editor::new(EditorMode::full(), buffer, None, window, cx);
12484 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
12485 editor
12486 });
12487 let cx = &mut VisualTestContext::from_window(*window, cx);
12488 let editor = window.root(cx).unwrap();
12489 let style = cx.update(|_, cx| editor.update(cx, |editor, cx| editor.style(cx).clone()));
12490
12491 for x in 1..=100 {
12492 let (_, state) = cx.draw(
12493 Default::default(),
12494 size(px(200. + 0.13 * x as f32), px(500.)),
12495 |_, _| EditorElement::new(&editor, style.clone()),
12496 );
12497
12498 assert!(
12499 state.position_map.scroll_max.x == 0.,
12500 "Soft wrapped editor should have no horizontal scrolling!"
12501 );
12502 }
12503 }
12504
12505 #[gpui::test]
12506 fn test_layout_line_numbers(cx: &mut TestAppContext) {
12507 init_test(cx, |_| {});
12508 let window = cx.add_window(|window, cx| {
12509 let buffer = MultiBuffer::build_simple(&sample_text(6, 6, 'a'), cx);
12510 Editor::new(EditorMode::full(), buffer, None, window, cx)
12511 });
12512
12513 let editor = window.root(cx).unwrap();
12514 let style = editor.update(cx, |editor, cx| editor.style(cx).clone());
12515 let line_height = window
12516 .update(cx, |_, window, _| {
12517 style.text.line_height_in_pixels(window.rem_size())
12518 })
12519 .unwrap();
12520 let element = EditorElement::new(&editor, style);
12521 let snapshot = window
12522 .update(cx, |editor, window, cx| editor.snapshot(window, cx))
12523 .unwrap();
12524
12525 let layouts = cx
12526 .update_window(*window, |_, window, cx| {
12527 element.layout_line_numbers(
12528 None,
12529 GutterDimensions {
12530 left_padding: Pixels::ZERO,
12531 right_padding: Pixels::ZERO,
12532 width: px(30.0),
12533 margin: Pixels::ZERO,
12534 git_blame_entries_width: None,
12535 },
12536 line_height,
12537 gpui::Point::default(),
12538 DisplayRow(0)..DisplayRow(6),
12539 &(0..6)
12540 .map(|row| RowInfo {
12541 buffer_row: Some(row),
12542 ..Default::default()
12543 })
12544 .collect::<Vec<_>>(),
12545 &BTreeMap::default(),
12546 Some(DisplayRow(0)),
12547 &snapshot,
12548 window,
12549 cx,
12550 )
12551 })
12552 .unwrap();
12553 assert_eq!(layouts.len(), 6);
12554
12555 let relative_rows = window
12556 .update(cx, |editor, window, cx| {
12557 let snapshot = editor.snapshot(window, cx);
12558 snapshot.calculate_relative_line_numbers(
12559 &(DisplayRow(0)..DisplayRow(6)),
12560 DisplayRow(3),
12561 false,
12562 )
12563 })
12564 .unwrap();
12565 assert_eq!(relative_rows[&DisplayRow(0)], 3);
12566 assert_eq!(relative_rows[&DisplayRow(1)], 2);
12567 assert_eq!(relative_rows[&DisplayRow(2)], 1);
12568 // current line has no relative number
12569 assert!(!relative_rows.contains_key(&DisplayRow(3)));
12570 assert_eq!(relative_rows[&DisplayRow(4)], 1);
12571 assert_eq!(relative_rows[&DisplayRow(5)], 2);
12572
12573 // works if cursor is before screen
12574 let relative_rows = window
12575 .update(cx, |editor, window, cx| {
12576 let snapshot = editor.snapshot(window, cx);
12577 snapshot.calculate_relative_line_numbers(
12578 &(DisplayRow(3)..DisplayRow(6)),
12579 DisplayRow(1),
12580 false,
12581 )
12582 })
12583 .unwrap();
12584 assert_eq!(relative_rows.len(), 3);
12585 assert_eq!(relative_rows[&DisplayRow(3)], 2);
12586 assert_eq!(relative_rows[&DisplayRow(4)], 3);
12587 assert_eq!(relative_rows[&DisplayRow(5)], 4);
12588
12589 // works if cursor is after screen
12590 let relative_rows = window
12591 .update(cx, |editor, window, cx| {
12592 let snapshot = editor.snapshot(window, cx);
12593 snapshot.calculate_relative_line_numbers(
12594 &(DisplayRow(0)..DisplayRow(3)),
12595 DisplayRow(6),
12596 false,
12597 )
12598 })
12599 .unwrap();
12600 assert_eq!(relative_rows.len(), 3);
12601 assert_eq!(relative_rows[&DisplayRow(0)], 5);
12602 assert_eq!(relative_rows[&DisplayRow(1)], 4);
12603 assert_eq!(relative_rows[&DisplayRow(2)], 3);
12604
12605 const DELETED_LINE: u32 = 3;
12606 let layouts = cx
12607 .update_window(*window, |_, window, cx| {
12608 element.layout_line_numbers(
12609 None,
12610 GutterDimensions {
12611 left_padding: Pixels::ZERO,
12612 right_padding: Pixels::ZERO,
12613 width: px(30.0),
12614 margin: Pixels::ZERO,
12615 git_blame_entries_width: None,
12616 },
12617 line_height,
12618 gpui::Point::default(),
12619 DisplayRow(0)..DisplayRow(6),
12620 &(0..6)
12621 .map(|row| RowInfo {
12622 buffer_row: Some(row),
12623 diff_status: (row == DELETED_LINE).then(|| {
12624 DiffHunkStatus::deleted(
12625 buffer_diff::DiffHunkSecondaryStatus::NoSecondaryHunk,
12626 )
12627 }),
12628 ..Default::default()
12629 })
12630 .collect::<Vec<_>>(),
12631 &BTreeMap::default(),
12632 Some(DisplayRow(0)),
12633 &snapshot,
12634 window,
12635 cx,
12636 )
12637 })
12638 .unwrap();
12639 assert_eq!(layouts.len(), 5,);
12640 assert!(
12641 layouts.get(&MultiBufferRow(DELETED_LINE)).is_none(),
12642 "Deleted line should not have a line number"
12643 );
12644 }
12645
12646 #[gpui::test]
12647 async fn test_layout_line_numbers_with_folded_lines(cx: &mut TestAppContext) {
12648 init_test(cx, |_| {});
12649
12650 let python_lang = languages::language("python", tree_sitter_python::LANGUAGE.into());
12651
12652 let window = cx.add_window(|window, cx| {
12653 let buffer = cx.new(|cx| {
12654 Buffer::local(
12655 indoc::indoc! {"
12656 fn test() -> int {
12657 return 2;
12658 }
12659
12660 fn another_test() -> int {
12661 # This is a very peculiar method that is hard to grasp.
12662 return 4;
12663 }
12664 "},
12665 cx,
12666 )
12667 .with_language(python_lang, cx)
12668 });
12669
12670 let buffer = MultiBuffer::build_from_buffer(buffer, cx);
12671 Editor::new(EditorMode::full(), buffer, None, window, cx)
12672 });
12673
12674 let editor = window.root(cx).unwrap();
12675 let style = editor.update(cx, |editor, cx| editor.style(cx).clone());
12676 let line_height = window
12677 .update(cx, |_, window, _| {
12678 style.text.line_height_in_pixels(window.rem_size())
12679 })
12680 .unwrap();
12681 let element = EditorElement::new(&editor, style);
12682 let snapshot = window
12683 .update(cx, |editor, window, cx| {
12684 editor.fold_at(MultiBufferRow(0), window, cx);
12685 editor.snapshot(window, cx)
12686 })
12687 .unwrap();
12688
12689 let layouts = cx
12690 .update_window(*window, |_, window, cx| {
12691 element.layout_line_numbers(
12692 None,
12693 GutterDimensions {
12694 left_padding: Pixels::ZERO,
12695 right_padding: Pixels::ZERO,
12696 width: px(30.0),
12697 margin: Pixels::ZERO,
12698 git_blame_entries_width: None,
12699 },
12700 line_height,
12701 gpui::Point::default(),
12702 DisplayRow(0)..DisplayRow(6),
12703 &(0..6)
12704 .map(|row| RowInfo {
12705 buffer_row: Some(row),
12706 ..Default::default()
12707 })
12708 .collect::<Vec<_>>(),
12709 &BTreeMap::default(),
12710 Some(DisplayRow(3)),
12711 &snapshot,
12712 window,
12713 cx,
12714 )
12715 })
12716 .unwrap();
12717 assert_eq!(layouts.len(), 6);
12718
12719 let relative_rows = window
12720 .update(cx, |editor, window, cx| {
12721 let snapshot = editor.snapshot(window, cx);
12722 snapshot.calculate_relative_line_numbers(
12723 &(DisplayRow(0)..DisplayRow(6)),
12724 DisplayRow(3),
12725 false,
12726 )
12727 })
12728 .unwrap();
12729 assert_eq!(relative_rows[&DisplayRow(0)], 3);
12730 assert_eq!(relative_rows[&DisplayRow(1)], 2);
12731 assert_eq!(relative_rows[&DisplayRow(2)], 1);
12732 // current line has no relative number
12733 assert!(!relative_rows.contains_key(&DisplayRow(3)));
12734 assert_eq!(relative_rows[&DisplayRow(4)], 1);
12735 assert_eq!(relative_rows[&DisplayRow(5)], 2);
12736 }
12737
12738 #[gpui::test]
12739 fn test_layout_line_numbers_wrapping(cx: &mut TestAppContext) {
12740 init_test(cx, |_| {});
12741 let window = cx.add_window(|window, cx| {
12742 let buffer = MultiBuffer::build_simple(&sample_text(6, 6, 'a'), cx);
12743 Editor::new(EditorMode::full(), buffer, None, window, cx)
12744 });
12745
12746 update_test_language_settings(cx, &|s| {
12747 s.defaults.preferred_line_length = Some(5_u32);
12748 s.defaults.soft_wrap = Some(language_settings::SoftWrap::PreferredLineLength);
12749 });
12750
12751 let editor = window.root(cx).unwrap();
12752 let style = editor.update(cx, |editor, cx| editor.style(cx).clone());
12753 let line_height = window
12754 .update(cx, |_, window, _| {
12755 style.text.line_height_in_pixels(window.rem_size())
12756 })
12757 .unwrap();
12758 let element = EditorElement::new(&editor, style);
12759 let snapshot = window
12760 .update(cx, |editor, window, cx| editor.snapshot(window, cx))
12761 .unwrap();
12762
12763 let layouts = cx
12764 .update_window(*window, |_, window, cx| {
12765 element.layout_line_numbers(
12766 None,
12767 GutterDimensions {
12768 left_padding: Pixels::ZERO,
12769 right_padding: Pixels::ZERO,
12770 width: px(30.0),
12771 margin: Pixels::ZERO,
12772 git_blame_entries_width: None,
12773 },
12774 line_height,
12775 gpui::Point::default(),
12776 DisplayRow(0)..DisplayRow(6),
12777 &(0..6)
12778 .map(|row| RowInfo {
12779 buffer_row: Some(row),
12780 ..Default::default()
12781 })
12782 .collect::<Vec<_>>(),
12783 &BTreeMap::default(),
12784 Some(DisplayRow(0)),
12785 &snapshot,
12786 window,
12787 cx,
12788 )
12789 })
12790 .unwrap();
12791 assert_eq!(layouts.len(), 3);
12792
12793 let relative_rows = window
12794 .update(cx, |editor, window, cx| {
12795 let snapshot = editor.snapshot(window, cx);
12796 snapshot.calculate_relative_line_numbers(
12797 &(DisplayRow(0)..DisplayRow(6)),
12798 DisplayRow(3),
12799 true,
12800 )
12801 })
12802 .unwrap();
12803
12804 assert_eq!(relative_rows[&DisplayRow(0)], 3);
12805 assert_eq!(relative_rows[&DisplayRow(1)], 2);
12806 assert_eq!(relative_rows[&DisplayRow(2)], 1);
12807 // current line has no relative number
12808 assert!(!relative_rows.contains_key(&DisplayRow(3)));
12809 assert_eq!(relative_rows[&DisplayRow(4)], 1);
12810 assert_eq!(relative_rows[&DisplayRow(5)], 2);
12811
12812 let layouts = cx
12813 .update_window(*window, |_, window, cx| {
12814 element.layout_line_numbers(
12815 None,
12816 GutterDimensions {
12817 left_padding: Pixels::ZERO,
12818 right_padding: Pixels::ZERO,
12819 width: px(30.0),
12820 margin: Pixels::ZERO,
12821 git_blame_entries_width: None,
12822 },
12823 line_height,
12824 gpui::Point::default(),
12825 DisplayRow(0)..DisplayRow(6),
12826 &(0..6)
12827 .map(|row| RowInfo {
12828 buffer_row: Some(row),
12829 diff_status: Some(DiffHunkStatus::deleted(
12830 buffer_diff::DiffHunkSecondaryStatus::NoSecondaryHunk,
12831 )),
12832 ..Default::default()
12833 })
12834 .collect::<Vec<_>>(),
12835 &BTreeMap::from_iter([(DisplayRow(0), LineHighlightSpec::default())]),
12836 Some(DisplayRow(0)),
12837 &snapshot,
12838 window,
12839 cx,
12840 )
12841 })
12842 .unwrap();
12843 assert!(
12844 layouts.is_empty(),
12845 "Deleted lines should have no line number"
12846 );
12847
12848 let relative_rows = window
12849 .update(cx, |editor, window, cx| {
12850 let snapshot = editor.snapshot(window, cx);
12851 snapshot.calculate_relative_line_numbers(
12852 &(DisplayRow(0)..DisplayRow(6)),
12853 DisplayRow(3),
12854 true,
12855 )
12856 })
12857 .unwrap();
12858
12859 // Deleted lines should still have relative numbers
12860 assert_eq!(relative_rows[&DisplayRow(0)], 3);
12861 assert_eq!(relative_rows[&DisplayRow(1)], 2);
12862 assert_eq!(relative_rows[&DisplayRow(2)], 1);
12863 // current line, even if deleted, has no relative number
12864 assert!(!relative_rows.contains_key(&DisplayRow(3)));
12865 assert_eq!(relative_rows[&DisplayRow(4)], 1);
12866 assert_eq!(relative_rows[&DisplayRow(5)], 2);
12867 }
12868
12869 #[gpui::test]
12870 async fn test_vim_visual_selections(cx: &mut TestAppContext) {
12871 init_test(cx, |_| {});
12872
12873 let window = cx.add_window(|window, cx| {
12874 let buffer = MultiBuffer::build_simple(&(sample_text(6, 6, 'a') + "\n"), cx);
12875 Editor::new(EditorMode::full(), buffer, None, window, cx)
12876 });
12877 let cx = &mut VisualTestContext::from_window(*window, cx);
12878 let editor = window.root(cx).unwrap();
12879 let style = cx.update(|_, cx| editor.update(cx, |editor, cx| editor.style(cx).clone()));
12880
12881 window
12882 .update(cx, |editor, window, cx| {
12883 editor.cursor_offset_on_selection = true;
12884 editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
12885 s.select_ranges([
12886 Point::new(0, 0)..Point::new(1, 0),
12887 Point::new(3, 2)..Point::new(3, 3),
12888 Point::new(5, 6)..Point::new(6, 0),
12889 ]);
12890 });
12891 })
12892 .unwrap();
12893
12894 let (_, state) = cx.draw(
12895 point(px(500.), px(500.)),
12896 size(px(500.), px(500.)),
12897 |_, _| EditorElement::new(&editor, style),
12898 );
12899
12900 assert_eq!(state.selections.len(), 1);
12901 let local_selections = &state.selections[0].1;
12902 assert_eq!(local_selections.len(), 3);
12903 // moves cursor back one line
12904 assert_eq!(
12905 local_selections[0].head,
12906 DisplayPoint::new(DisplayRow(0), 6)
12907 );
12908 assert_eq!(
12909 local_selections[0].range,
12910 DisplayPoint::new(DisplayRow(0), 0)..DisplayPoint::new(DisplayRow(1), 0)
12911 );
12912
12913 // moves cursor back one column
12914 assert_eq!(
12915 local_selections[1].range,
12916 DisplayPoint::new(DisplayRow(3), 2)..DisplayPoint::new(DisplayRow(3), 3)
12917 );
12918 assert_eq!(
12919 local_selections[1].head,
12920 DisplayPoint::new(DisplayRow(3), 2)
12921 );
12922
12923 // leaves cursor on the max point
12924 assert_eq!(
12925 local_selections[2].range,
12926 DisplayPoint::new(DisplayRow(5), 6)..DisplayPoint::new(DisplayRow(6), 0)
12927 );
12928 assert_eq!(
12929 local_selections[2].head,
12930 DisplayPoint::new(DisplayRow(6), 0)
12931 );
12932
12933 // active lines does not include 1 (even though the range of the selection does)
12934 assert_eq!(
12935 state.active_rows.keys().cloned().collect::<Vec<_>>(),
12936 vec![DisplayRow(0), DisplayRow(3), DisplayRow(5), DisplayRow(6)]
12937 );
12938 }
12939
12940 #[gpui::test]
12941 fn test_layout_with_placeholder_text_and_blocks(cx: &mut TestAppContext) {
12942 init_test(cx, |_| {});
12943
12944 let window = cx.add_window(|window, cx| {
12945 let buffer = MultiBuffer::build_simple("", cx);
12946 Editor::new(EditorMode::full(), buffer, None, window, cx)
12947 });
12948 let cx = &mut VisualTestContext::from_window(*window, cx);
12949 let editor = window.root(cx).unwrap();
12950 let style = cx.update(|_, cx| editor.update(cx, |editor, cx| editor.style(cx).clone()));
12951 window
12952 .update(cx, |editor, window, cx| {
12953 editor.set_placeholder_text("hello", window, cx);
12954 editor.insert_blocks(
12955 [BlockProperties {
12956 style: BlockStyle::Fixed,
12957 placement: BlockPlacement::Above(Anchor::min()),
12958 height: Some(3),
12959 render: Arc::new(|cx| div().h(3. * cx.window.line_height()).into_any()),
12960 priority: 0,
12961 }],
12962 None,
12963 cx,
12964 );
12965
12966 // Blur the editor so that it displays placeholder text.
12967 window.blur();
12968 })
12969 .unwrap();
12970
12971 let (_, state) = cx.draw(
12972 point(px(500.), px(500.)),
12973 size(px(500.), px(500.)),
12974 |_, _| EditorElement::new(&editor, style),
12975 );
12976 assert_eq!(state.position_map.line_layouts.len(), 4);
12977 assert_eq!(state.line_numbers.len(), 1);
12978 assert_eq!(
12979 state
12980 .line_numbers
12981 .get(&MultiBufferRow(0))
12982 .map(|line_number| line_number
12983 .segments
12984 .first()
12985 .unwrap()
12986 .shaped_line
12987 .text
12988 .as_ref()),
12989 Some("1")
12990 );
12991 }
12992
12993 #[gpui::test]
12994 fn test_all_invisibles_drawing(cx: &mut TestAppContext) {
12995 const TAB_SIZE: u32 = 4;
12996
12997 let input_text = "\t \t|\t| a b";
12998 let expected_invisibles = vec![
12999 Invisible::Tab {
13000 line_start_offset: 0,
13001 line_end_offset: TAB_SIZE as usize,
13002 },
13003 Invisible::Whitespace {
13004 line_offset: TAB_SIZE as usize,
13005 },
13006 Invisible::Tab {
13007 line_start_offset: TAB_SIZE as usize + 1,
13008 line_end_offset: TAB_SIZE as usize * 2,
13009 },
13010 Invisible::Tab {
13011 line_start_offset: TAB_SIZE as usize * 2 + 1,
13012 line_end_offset: TAB_SIZE as usize * 3,
13013 },
13014 Invisible::Whitespace {
13015 line_offset: TAB_SIZE as usize * 3 + 1,
13016 },
13017 Invisible::Whitespace {
13018 line_offset: TAB_SIZE as usize * 3 + 3,
13019 },
13020 ];
13021 assert_eq!(
13022 expected_invisibles.len(),
13023 input_text
13024 .chars()
13025 .filter(|initial_char| initial_char.is_whitespace())
13026 .count(),
13027 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
13028 );
13029
13030 for show_line_numbers in [true, false] {
13031 init_test(cx, |s| {
13032 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
13033 s.defaults.tab_size = NonZeroU32::new(TAB_SIZE);
13034 });
13035
13036 let actual_invisibles = collect_invisibles_from_new_editor(
13037 cx,
13038 EditorMode::full(),
13039 input_text,
13040 px(500.0),
13041 show_line_numbers,
13042 );
13043
13044 assert_eq!(expected_invisibles, actual_invisibles);
13045 }
13046 }
13047
13048 #[gpui::test]
13049 fn test_invisibles_dont_appear_in_certain_editors(cx: &mut TestAppContext) {
13050 init_test(cx, |s| {
13051 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
13052 s.defaults.tab_size = NonZeroU32::new(4);
13053 });
13054
13055 for editor_mode_without_invisibles in [
13056 EditorMode::SingleLine,
13057 EditorMode::AutoHeight {
13058 min_lines: 1,
13059 max_lines: Some(100),
13060 },
13061 ] {
13062 for show_line_numbers in [true, false] {
13063 let invisibles = collect_invisibles_from_new_editor(
13064 cx,
13065 editor_mode_without_invisibles.clone(),
13066 "\t\t\t| | a b",
13067 px(500.0),
13068 show_line_numbers,
13069 );
13070 assert!(
13071 invisibles.is_empty(),
13072 "For editor mode {editor_mode_without_invisibles:?} no invisibles was expected but got {invisibles:?}"
13073 );
13074 }
13075 }
13076 }
13077
13078 #[gpui::test]
13079 fn test_wrapped_invisibles_drawing(cx: &mut TestAppContext) {
13080 let tab_size = 4;
13081 let input_text = "a\tbcd ".repeat(9);
13082 let repeated_invisibles = [
13083 Invisible::Tab {
13084 line_start_offset: 1,
13085 line_end_offset: tab_size as usize,
13086 },
13087 Invisible::Whitespace {
13088 line_offset: tab_size as usize + 3,
13089 },
13090 Invisible::Whitespace {
13091 line_offset: tab_size as usize + 4,
13092 },
13093 Invisible::Whitespace {
13094 line_offset: tab_size as usize + 5,
13095 },
13096 Invisible::Whitespace {
13097 line_offset: tab_size as usize + 6,
13098 },
13099 Invisible::Whitespace {
13100 line_offset: tab_size as usize + 7,
13101 },
13102 ];
13103 let expected_invisibles = std::iter::once(repeated_invisibles)
13104 .cycle()
13105 .take(9)
13106 .flatten()
13107 .collect::<Vec<_>>();
13108 assert_eq!(
13109 expected_invisibles.len(),
13110 input_text
13111 .chars()
13112 .filter(|initial_char| initial_char.is_whitespace())
13113 .count(),
13114 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
13115 );
13116 info!("Expected invisibles: {expected_invisibles:?}");
13117
13118 init_test(cx, |_| {});
13119
13120 // Put the same string with repeating whitespace pattern into editors of various size,
13121 // take deliberately small steps during resizing, to put all whitespace kinds near the wrap point.
13122 let resize_step = 10.0;
13123 let mut editor_width = 200.0;
13124 while editor_width <= 1000.0 {
13125 for show_line_numbers in [true, false] {
13126 update_test_language_settings(cx, &|s| {
13127 s.defaults.tab_size = NonZeroU32::new(tab_size);
13128 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
13129 s.defaults.preferred_line_length = Some(editor_width as u32);
13130 s.defaults.soft_wrap = Some(language_settings::SoftWrap::PreferredLineLength);
13131 });
13132
13133 let actual_invisibles = collect_invisibles_from_new_editor(
13134 cx,
13135 EditorMode::full(),
13136 &input_text,
13137 px(editor_width),
13138 show_line_numbers,
13139 );
13140
13141 // Whatever the editor size is, ensure it has the same invisible kinds in the same order
13142 // (no good guarantees about the offsets: wrapping could trigger padding and its tests should check the offsets).
13143 let mut i = 0;
13144 for (actual_index, actual_invisible) in actual_invisibles.iter().enumerate() {
13145 i = actual_index;
13146 match expected_invisibles.get(i) {
13147 Some(expected_invisible) => match (expected_invisible, actual_invisible) {
13148 (Invisible::Whitespace { .. }, Invisible::Whitespace { .. })
13149 | (Invisible::Tab { .. }, Invisible::Tab { .. }) => {}
13150 _ => {
13151 panic!(
13152 "At index {i}, expected invisible {expected_invisible:?} does not match actual {actual_invisible:?} by kind. Actual invisibles: {actual_invisibles:?}"
13153 )
13154 }
13155 },
13156 None => {
13157 panic!("Unexpected extra invisible {actual_invisible:?} at index {i}")
13158 }
13159 }
13160 }
13161 let missing_expected_invisibles = &expected_invisibles[i + 1..];
13162 assert!(
13163 missing_expected_invisibles.is_empty(),
13164 "Missing expected invisibles after index {i}: {missing_expected_invisibles:?}"
13165 );
13166
13167 editor_width += resize_step;
13168 }
13169 }
13170 }
13171
13172 fn collect_invisibles_from_new_editor(
13173 cx: &mut TestAppContext,
13174 editor_mode: EditorMode,
13175 input_text: &str,
13176 editor_width: Pixels,
13177 show_line_numbers: bool,
13178 ) -> Vec<Invisible> {
13179 info!(
13180 "Creating editor with mode {editor_mode:?}, width {}px and text '{input_text}'",
13181 f32::from(editor_width)
13182 );
13183 let window = cx.add_window(|window, cx| {
13184 let buffer = MultiBuffer::build_simple(input_text, cx);
13185 Editor::new(editor_mode, buffer, None, window, cx)
13186 });
13187 let cx = &mut VisualTestContext::from_window(*window, cx);
13188 let editor = window.root(cx).unwrap();
13189
13190 let style = editor.update(cx, |editor, cx| editor.style(cx).clone());
13191 window
13192 .update(cx, |editor, _, cx| {
13193 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
13194 editor.set_wrap_width(Some(editor_width), cx);
13195 editor.set_show_line_numbers(show_line_numbers, cx);
13196 })
13197 .unwrap();
13198 let (_, state) = cx.draw(
13199 point(px(500.), px(500.)),
13200 size(px(500.), px(500.)),
13201 |_, _| EditorElement::new(&editor, style),
13202 );
13203 state
13204 .position_map
13205 .line_layouts
13206 .iter()
13207 .flat_map(|line_with_invisibles| &line_with_invisibles.invisibles)
13208 .cloned()
13209 .collect()
13210 }
13211
13212 #[gpui::test]
13213 fn test_merge_overlapping_ranges() {
13214 let base_bg = Hsla::white();
13215 let color1 = Hsla {
13216 h: 0.0,
13217 s: 0.5,
13218 l: 0.5,
13219 a: 0.5,
13220 };
13221 let color2 = Hsla {
13222 h: 120.0,
13223 s: 0.5,
13224 l: 0.5,
13225 a: 0.5,
13226 };
13227
13228 let display_point = |col| DisplayPoint::new(DisplayRow(0), col);
13229 let cols = |v: &Vec<(Range<DisplayPoint>, Hsla)>| -> Vec<(u32, u32)> {
13230 v.iter()
13231 .map(|(r, _)| (r.start.column(), r.end.column()))
13232 .collect()
13233 };
13234
13235 // Test overlapping ranges blend colors
13236 let overlapping = vec![
13237 (display_point(5)..display_point(15), color1),
13238 (display_point(10)..display_point(20), color2),
13239 ];
13240 let result = EditorElement::merge_overlapping_ranges(overlapping, base_bg);
13241 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
13242
13243 // Test middle segment should have blended color
13244 let blended = Hsla::blend(Hsla::blend(base_bg, color1), color2);
13245 assert_eq!(result[1].1, blended);
13246
13247 // Test adjacent same-color ranges merge
13248 let adjacent_same = vec![
13249 (display_point(5)..display_point(10), color1),
13250 (display_point(10)..display_point(15), color1),
13251 ];
13252 let result = EditorElement::merge_overlapping_ranges(adjacent_same, base_bg);
13253 assert_eq!(cols(&result), vec![(5, 15)]);
13254
13255 // Test contained range splits
13256 let contained = vec![
13257 (display_point(5)..display_point(20), color1),
13258 (display_point(10)..display_point(15), color2),
13259 ];
13260 let result = EditorElement::merge_overlapping_ranges(contained, base_bg);
13261 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
13262
13263 // Test multiple overlaps split at every boundary
13264 let color3 = Hsla {
13265 h: 240.0,
13266 s: 0.5,
13267 l: 0.5,
13268 a: 0.5,
13269 };
13270 let complex = vec![
13271 (display_point(5)..display_point(12), color1),
13272 (display_point(8)..display_point(16), color2),
13273 (display_point(10)..display_point(14), color3),
13274 ];
13275 let result = EditorElement::merge_overlapping_ranges(complex, base_bg);
13276 assert_eq!(
13277 cols(&result),
13278 vec![(5, 8), (8, 10), (10, 12), (12, 14), (14, 16)]
13279 );
13280 }
13281
13282 #[gpui::test]
13283 fn test_bg_segments_per_row() {
13284 let base_bg = Hsla::white();
13285
13286 // Case A: selection spans three display rows: row 1 [5, end), full row 2, row 3 [0, 7)
13287 {
13288 let selection_color = Hsla {
13289 h: 200.0,
13290 s: 0.5,
13291 l: 0.5,
13292 a: 0.5,
13293 };
13294 let player_color = PlayerColor {
13295 cursor: selection_color,
13296 background: selection_color,
13297 selection: selection_color,
13298 };
13299
13300 let spanning_selection = SelectionLayout {
13301 head: DisplayPoint::new(DisplayRow(3), 7),
13302 cursor_shape: CursorShape::Bar,
13303 is_newest: true,
13304 is_local: true,
13305 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 7),
13306 active_rows: DisplayRow(1)..DisplayRow(4),
13307 user_name: None,
13308 };
13309
13310 let selections = vec![(player_color, vec![spanning_selection])];
13311 let result = EditorElement::bg_segments_per_row(
13312 DisplayRow(0)..DisplayRow(5),
13313 &selections,
13314 &[],
13315 base_bg,
13316 );
13317
13318 assert_eq!(result.len(), 5);
13319 assert!(result[0].is_empty());
13320 assert_eq!(result[1].len(), 1);
13321 assert_eq!(result[2].len(), 1);
13322 assert_eq!(result[3].len(), 1);
13323 assert!(result[4].is_empty());
13324
13325 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
13326 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
13327 assert_eq!(result[1][0].0.end.column(), u32::MAX);
13328 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
13329 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
13330 assert_eq!(result[2][0].0.end.column(), u32::MAX);
13331 assert_eq!(result[3][0].0.start, DisplayPoint::new(DisplayRow(3), 0));
13332 assert_eq!(result[3][0].0.end, DisplayPoint::new(DisplayRow(3), 7));
13333 }
13334
13335 // Case B: selection ends exactly at the start of row 3, excluding row 3
13336 {
13337 let selection_color = Hsla {
13338 h: 120.0,
13339 s: 0.5,
13340 l: 0.5,
13341 a: 0.5,
13342 };
13343 let player_color = PlayerColor {
13344 cursor: selection_color,
13345 background: selection_color,
13346 selection: selection_color,
13347 };
13348
13349 let selection = SelectionLayout {
13350 head: DisplayPoint::new(DisplayRow(2), 0),
13351 cursor_shape: CursorShape::Bar,
13352 is_newest: true,
13353 is_local: true,
13354 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 0),
13355 active_rows: DisplayRow(1)..DisplayRow(3),
13356 user_name: None,
13357 };
13358
13359 let selections = vec![(player_color, vec![selection])];
13360 let result = EditorElement::bg_segments_per_row(
13361 DisplayRow(0)..DisplayRow(4),
13362 &selections,
13363 &[],
13364 base_bg,
13365 );
13366
13367 assert_eq!(result.len(), 4);
13368 assert!(result[0].is_empty());
13369 assert_eq!(result[1].len(), 1);
13370 assert_eq!(result[2].len(), 1);
13371 assert!(result[3].is_empty());
13372
13373 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
13374 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
13375 assert_eq!(result[1][0].0.end.column(), u32::MAX);
13376 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
13377 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
13378 assert_eq!(result[2][0].0.end.column(), u32::MAX);
13379 }
13380 }
13381
13382 #[cfg(test)]
13383 fn generate_test_run(len: usize, color: Hsla) -> TextRun {
13384 TextRun {
13385 len,
13386 color,
13387 ..Default::default()
13388 }
13389 }
13390
13391 #[gpui::test]
13392 fn test_split_runs_by_bg_segments(cx: &mut gpui::TestAppContext) {
13393 init_test(cx, |_| {});
13394
13395 let dx = |start: u32, end: u32| {
13396 DisplayPoint::new(DisplayRow(0), start)..DisplayPoint::new(DisplayRow(0), end)
13397 };
13398
13399 let text_color = Hsla {
13400 h: 210.0,
13401 s: 0.1,
13402 l: 0.4,
13403 a: 1.0,
13404 };
13405 let bg_1 = Hsla {
13406 h: 30.0,
13407 s: 0.6,
13408 l: 0.8,
13409 a: 1.0,
13410 };
13411 let bg_2 = Hsla {
13412 h: 200.0,
13413 s: 0.6,
13414 l: 0.2,
13415 a: 1.0,
13416 };
13417 let min_contrast = 45.0;
13418 let adjusted_bg1 = ensure_minimum_contrast(text_color, bg_1, min_contrast);
13419 let adjusted_bg2 = ensure_minimum_contrast(text_color, bg_2, min_contrast);
13420
13421 // Case A: single run; disjoint segments inside the run
13422 {
13423 let runs = vec![generate_test_run(20, text_color)];
13424 let segs = vec![(dx(5, 10), bg_1), (dx(12, 16), bg_2)];
13425 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
13426 // Expected slices: [0,5) [5,10) [10,12) [12,16) [16,20)
13427 assert_eq!(
13428 out.iter().map(|r| r.len).collect::<Vec<_>>(),
13429 vec![5, 5, 2, 4, 4]
13430 );
13431 assert_eq!(out[0].color, text_color);
13432 assert_eq!(out[1].color, adjusted_bg1);
13433 assert_eq!(out[2].color, text_color);
13434 assert_eq!(out[3].color, adjusted_bg2);
13435 assert_eq!(out[4].color, text_color);
13436 }
13437
13438 // Case B: multiple runs; segment extends to end of line (u32::MAX)
13439 {
13440 let runs = vec![
13441 generate_test_run(8, text_color),
13442 generate_test_run(7, text_color),
13443 ];
13444 let segs = vec![(dx(6, u32::MAX), bg_1)];
13445 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
13446 // Expected slices across runs: [0,6) [6,8) | [0,7)
13447 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![6, 2, 7]);
13448 assert_eq!(out[0].color, text_color);
13449 assert_eq!(out[1].color, adjusted_bg1);
13450 assert_eq!(out[2].color, adjusted_bg1);
13451 }
13452
13453 // Case C: multi-byte characters
13454 {
13455 // for text: "Hello π δΈη!"
13456 let runs = vec![
13457 generate_test_run(5, text_color), // "Hello"
13458 generate_test_run(6, text_color), // " π "
13459 generate_test_run(6, text_color), // "δΈη"
13460 generate_test_run(1, text_color), // "!"
13461 ];
13462 // selecting "π δΈ"
13463 let segs = vec![(dx(6, 14), bg_1)];
13464 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
13465 // "Hello" | " " | "π " | "δΈ" | "η" | "!"
13466 assert_eq!(
13467 out.iter().map(|r| r.len).collect::<Vec<_>>(),
13468 vec![5, 1, 5, 3, 3, 1]
13469 );
13470 assert_eq!(out[0].color, text_color); // "Hello"
13471 assert_eq!(out[2].color, adjusted_bg1); // "π "
13472 assert_eq!(out[3].color, adjusted_bg1); // "δΈ"
13473 assert_eq!(out[4].color, text_color); // "η"
13474 assert_eq!(out[5].color, text_color); // "!"
13475 }
13476
13477 // Case D: split multiple consecutive text runs with segments
13478 {
13479 let segs = vec![
13480 (dx(2, 4), bg_1), // selecting "cd"
13481 (dx(4, 8), bg_2), // selecting "efgh"
13482 (dx(9, 11), bg_1), // selecting "jk"
13483 (dx(12, 16), bg_2), // selecting "mnop"
13484 (dx(18, 19), bg_1), // selecting "s"
13485 ];
13486
13487 // for text: "abcdef"
13488 let runs = vec![
13489 generate_test_run(2, text_color), // ab
13490 generate_test_run(4, text_color), // cdef
13491 ];
13492 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
13493 // new splits "ab", "cd", "ef"
13494 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![2, 2, 2]);
13495 assert_eq!(out[0].color, text_color);
13496 assert_eq!(out[1].color, adjusted_bg1);
13497 assert_eq!(out[2].color, adjusted_bg2);
13498
13499 // for text: "ghijklmn"
13500 let runs = vec![
13501 generate_test_run(3, text_color), // ghi
13502 generate_test_run(2, text_color), // jk
13503 generate_test_run(3, text_color), // lmn
13504 ];
13505 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 6); // 2 + 4 from first run
13506 // new splits "gh", "i", "jk", "l", "mn"
13507 assert_eq!(
13508 out.iter().map(|r| r.len).collect::<Vec<_>>(),
13509 vec![2, 1, 2, 1, 2]
13510 );
13511 assert_eq!(out[0].color, adjusted_bg2);
13512 assert_eq!(out[1].color, text_color);
13513 assert_eq!(out[2].color, adjusted_bg1);
13514 assert_eq!(out[3].color, text_color);
13515 assert_eq!(out[4].color, adjusted_bg2);
13516
13517 // for text: "opqrs"
13518 let runs = vec![
13519 generate_test_run(1, text_color), // o
13520 generate_test_run(4, text_color), // pqrs
13521 ];
13522 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 14); // 6 + 3 + 2 + 3 from first two runs
13523 // new splits "o", "p", "qr", "s"
13524 assert_eq!(
13525 out.iter().map(|r| r.len).collect::<Vec<_>>(),
13526 vec![1, 1, 2, 1]
13527 );
13528 assert_eq!(out[0].color, adjusted_bg2);
13529 assert_eq!(out[1].color, adjusted_bg2);
13530 assert_eq!(out[2].color, text_color);
13531 assert_eq!(out[3].color, adjusted_bg1);
13532 }
13533 }
13534
13535 #[test]
13536 fn test_spacer_pattern_period() {
13537 // line height is smaller than target height, so we just return half the line height
13538 assert_eq!(EditorElement::spacer_pattern_period(10.0, 20.0), 5.0);
13539
13540 // line height is exactly half the target height, perfect match
13541 assert_eq!(EditorElement::spacer_pattern_period(20.0, 10.0), 10.0);
13542
13543 // line height is close to half the target height
13544 assert_eq!(EditorElement::spacer_pattern_period(20.0, 9.0), 10.0);
13545
13546 // line height is close to 1/4 the target height
13547 assert_eq!(EditorElement::spacer_pattern_period(20.0, 4.8), 5.0);
13548 }
13549
13550 #[gpui::test(iterations = 100)]
13551 fn test_random_spacer_pattern_period(mut rng: StdRng) {
13552 let line_height = rng.next_u32() as f32;
13553 let target_height = rng.next_u32() as f32;
13554
13555 let result = EditorElement::spacer_pattern_period(line_height, target_height);
13556
13557 let k = line_height / result;
13558 assert!(k - k.round() < 0.0000001); // approximately integer
13559 assert!((k.round() as u32).is_multiple_of(2));
13560 }
13561
13562 #[test]
13563 fn test_calculate_wrap_width() {
13564 let editor_width = px(800.0);
13565 let em_width = px(8.0);
13566
13567 assert_eq!(
13568 calculate_wrap_width(SoftWrap::GitDiff, editor_width, em_width),
13569 None,
13570 );
13571
13572 assert_eq!(
13573 calculate_wrap_width(SoftWrap::None, editor_width, em_width),
13574 Some(px((MAX_LINE_LEN as f32 / 2.0 * 8.0).ceil())),
13575 );
13576
13577 assert_eq!(
13578 calculate_wrap_width(SoftWrap::EditorWidth, editor_width, em_width),
13579 Some(px(800.0)),
13580 );
13581
13582 assert_eq!(
13583 calculate_wrap_width(SoftWrap::Column(72), editor_width, em_width),
13584 Some(px((72.0 * 8.0_f32).ceil())),
13585 );
13586
13587 assert_eq!(
13588 calculate_wrap_width(SoftWrap::Bounded(72), editor_width, em_width),
13589 Some(px((72.0 * 8.0_f32).ceil())),
13590 );
13591 assert_eq!(
13592 calculate_wrap_width(SoftWrap::Bounded(200), px(400.0), em_width),
13593 Some(px(400.0)),
13594 );
13595 }
13596}