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, Length, Modifiers, ModifiersChangedEvent, MouseButton, MouseClickEvent, MouseDownEvent,
47 MouseMoveEvent, MousePressureEvent, MouseUpEvent, PaintQuad, ParentElement, Pixels,
48 PressureStage, ScrollDelta, ScrollHandle, ScrollWheelEvent, ShapedLine, SharedString, Size,
49 StatefulInteractiveElement, Style, Styled, StyledText, TextAlign, TextRun, TextStyleRefinement,
50 WeakEntity, Window, anchored, deferred, div, fill, linear_color_stop, linear_gradient, outline,
51 pattern_slash, point, px, quad, relative, size, solid_background, transparent_black,
52};
53use itertools::Itertools;
54use language::{HighlightedText, IndentGuideSettings, language_settings::ShowWhitespaceSetting};
55use markdown::Markdown;
56use multi_buffer::{
57 Anchor, ExcerptId, ExcerptInfo, ExpandExcerptDirection, ExpandInfo, MultiBufferPoint,
58 MultiBufferRow, RowInfo,
59};
60
61use project::{
62 DisableAiSettings, Entry, ProjectPath,
63 debugger::breakpoint_store::{Breakpoint, BreakpointSessionState},
64 project_settings::ProjectSettings,
65};
66use settings::{
67 GitGutterSetting, GitHunkStyleSetting, IndentGuideBackgroundColoring, IndentGuideColoring,
68 RelativeLineNumbers, Settings,
69};
70use smallvec::{SmallVec, smallvec};
71use std::{
72 any::TypeId,
73 borrow::Cow,
74 cell::Cell,
75 cmp::{self, Ordering},
76 fmt::{self, Write},
77 iter, mem,
78 ops::{Deref, Range},
79 path::{self, Path},
80 rc::Rc,
81 sync::Arc,
82 time::{Duration, Instant},
83};
84use sum_tree::Bias;
85use text::{BufferId, SelectionGoal};
86use theme::{ActiveTheme, Appearance, BufferLineHeight, PlayerColor};
87use ui::utils::ensure_minimum_contrast;
88use ui::{
89 ButtonLike, ContextMenu, Indicator, KeyBinding, POPOVER_Y_PADDING, Tooltip, prelude::*,
90 right_click_menu, scrollbars::ShowScrollbar, text_for_keystroke,
91};
92use unicode_segmentation::UnicodeSegmentation;
93use util::post_inc;
94use util::{RangeExt, ResultExt, debug_panic};
95use workspace::{
96 CollaboratorId, ItemHandle, ItemSettings, OpenInTerminal, OpenTerminal, RevealInProjectPanel,
97 Workspace,
98 item::{Item, ItemBufferKind},
99};
100
101/// Determines what kinds of highlights should be applied to a lines background.
102#[derive(Clone, Copy, Default)]
103struct LineHighlightSpec {
104 selection: bool,
105 breakpoint: bool,
106 _active_stack_frame: bool,
107}
108
109#[derive(Debug)]
110struct SelectionLayout {
111 head: DisplayPoint,
112 cursor_shape: CursorShape,
113 is_newest: bool,
114 is_local: bool,
115 range: Range<DisplayPoint>,
116 active_rows: Range<DisplayRow>,
117 user_name: Option<SharedString>,
118}
119
120struct InlineBlameLayout {
121 element: AnyElement,
122 bounds: Bounds<Pixels>,
123 buffer_id: BufferId,
124 entry: BlameEntry,
125}
126
127impl SelectionLayout {
128 fn new<T: ToPoint + ToDisplayPoint + Clone>(
129 selection: Selection<T>,
130 line_mode: bool,
131 cursor_offset: bool,
132 cursor_shape: CursorShape,
133 map: &DisplaySnapshot,
134 is_newest: bool,
135 is_local: bool,
136 user_name: Option<SharedString>,
137 ) -> Self {
138 let point_selection = selection.map(|p| p.to_point(map.buffer_snapshot()));
139 let display_selection = point_selection.map(|p| p.to_display_point(map));
140 let mut range = display_selection.range();
141 let mut head = display_selection.head();
142 let mut active_rows = map.prev_line_boundary(point_selection.start).1.row()
143 ..map.next_line_boundary(point_selection.end).1.row();
144
145 // vim visual line mode
146 if line_mode {
147 let point_range = map.expand_to_line(point_selection.range());
148 range = point_range.start.to_display_point(map)..point_range.end.to_display_point(map);
149 }
150
151 // any vim visual mode (including line mode)
152 if cursor_offset && !range.is_empty() && !selection.reversed {
153 if head.column() > 0 {
154 head = map.clip_point(DisplayPoint::new(head.row(), head.column() - 1), Bias::Left);
155 } else if head.row().0 > 0 && head != map.max_point() {
156 head = map.clip_point(
157 DisplayPoint::new(
158 head.row().previous_row(),
159 map.line_len(head.row().previous_row()),
160 ),
161 Bias::Left,
162 );
163 // updating range.end is a no-op unless you're cursor is
164 // on the newline containing a multi-buffer divider
165 // in which case the clip_point may have moved the head up
166 // an additional row.
167 range.end = DisplayPoint::new(head.row().next_row(), 0);
168 active_rows.end = head.row();
169 }
170 }
171
172 Self {
173 head,
174 cursor_shape,
175 is_newest,
176 is_local,
177 range,
178 active_rows,
179 user_name,
180 }
181 }
182}
183
184#[derive(Default)]
185struct RenderBlocksOutput {
186 // We store spacer blocks separately because they paint in a different order
187 // (spacers -> indent guides -> non-spacers)
188 non_spacer_blocks: Vec<BlockLayout>,
189 spacer_blocks: Vec<BlockLayout>,
190 row_block_types: HashMap<DisplayRow, bool>,
191 resized_blocks: Option<HashMap<CustomBlockId, u32>>,
192}
193
194pub struct EditorElement {
195 editor: Entity<Editor>,
196 style: EditorStyle,
197 split_side: Option<SplitSide>,
198}
199
200#[derive(Debug, Clone, Copy, PartialEq, Eq)]
201pub enum SplitSide {
202 Left,
203 Right,
204}
205
206impl EditorElement {
207 pub(crate) const SCROLLBAR_WIDTH: Pixels = px(15.);
208
209 pub fn new(editor: &Entity<Editor>, style: EditorStyle) -> Self {
210 Self {
211 editor: editor.clone(),
212 style,
213 split_side: None,
214 }
215 }
216
217 pub fn set_split_side(&mut self, side: SplitSide) {
218 self.split_side = Some(side);
219 }
220
221 fn should_show_buffer_headers(&self) -> bool {
222 self.split_side.is_none()
223 }
224
225 fn register_actions(&self, window: &mut Window, cx: &mut App) {
226 let editor = &self.editor;
227 editor.update(cx, |editor, cx| {
228 for action in editor.editor_actions.borrow().values() {
229 (action)(editor, window, cx)
230 }
231 });
232
233 crate::rust_analyzer_ext::apply_related_actions(editor, window, cx);
234 crate::clangd_ext::apply_related_actions(editor, window, cx);
235
236 register_action(editor, window, Editor::open_context_menu);
237 register_action(editor, window, Editor::move_left);
238 register_action(editor, window, Editor::move_right);
239 register_action(editor, window, Editor::move_down);
240 register_action(editor, window, Editor::move_down_by_lines);
241 register_action(editor, window, Editor::select_down_by_lines);
242 register_action(editor, window, Editor::move_up);
243 register_action(editor, window, Editor::move_up_by_lines);
244 register_action(editor, window, Editor::select_up_by_lines);
245 register_action(editor, window, Editor::select_page_down);
246 register_action(editor, window, Editor::select_page_up);
247 register_action(editor, window, Editor::cancel);
248 register_action(editor, window, Editor::newline);
249 register_action(editor, window, Editor::newline_above);
250 register_action(editor, window, Editor::newline_below);
251 register_action(editor, window, Editor::backspace);
252 register_action(editor, window, Editor::blame_hover);
253 register_action(editor, window, Editor::delete);
254 register_action(editor, window, Editor::tab);
255 register_action(editor, window, Editor::next_snippet_tabstop);
256 register_action(editor, window, Editor::previous_snippet_tabstop);
257 register_action(editor, window, Editor::backtab);
258 register_action(editor, window, Editor::indent);
259 register_action(editor, window, Editor::outdent);
260 register_action(editor, window, Editor::autoindent);
261 register_action(editor, window, Editor::delete_line);
262 register_action(editor, window, Editor::join_lines);
263 register_action(editor, window, Editor::sort_lines_by_length);
264 register_action(editor, window, Editor::sort_lines_case_sensitive);
265 register_action(editor, window, Editor::sort_lines_case_insensitive);
266 register_action(editor, window, Editor::reverse_lines);
267 register_action(editor, window, Editor::shuffle_lines);
268 register_action(editor, window, Editor::rotate_selections_forward);
269 register_action(editor, window, Editor::rotate_selections_backward);
270 register_action(editor, window, Editor::convert_indentation_to_spaces);
271 register_action(editor, window, Editor::convert_indentation_to_tabs);
272 register_action(editor, window, Editor::convert_to_upper_case);
273 register_action(editor, window, Editor::convert_to_lower_case);
274 register_action(editor, window, Editor::convert_to_title_case);
275 register_action(editor, window, Editor::convert_to_snake_case);
276 register_action(editor, window, Editor::convert_to_kebab_case);
277 register_action(editor, window, Editor::convert_to_upper_camel_case);
278 register_action(editor, window, Editor::convert_to_lower_camel_case);
279 register_action(editor, window, Editor::convert_to_opposite_case);
280 register_action(editor, window, Editor::convert_to_sentence_case);
281 register_action(editor, window, Editor::toggle_case);
282 register_action(editor, window, Editor::convert_to_rot13);
283 register_action(editor, window, Editor::convert_to_rot47);
284 register_action(editor, window, Editor::delete_to_previous_word_start);
285 register_action(editor, window, Editor::delete_to_previous_subword_start);
286 register_action(editor, window, Editor::delete_to_next_word_end);
287 register_action(editor, window, Editor::delete_to_next_subword_end);
288 register_action(editor, window, Editor::delete_to_beginning_of_line);
289 register_action(editor, window, Editor::delete_to_end_of_line);
290 register_action(editor, window, Editor::cut_to_end_of_line);
291 register_action(editor, window, Editor::duplicate_line_up);
292 register_action(editor, window, Editor::duplicate_line_down);
293 register_action(editor, window, Editor::duplicate_selection);
294 register_action(editor, window, Editor::move_line_up);
295 register_action(editor, window, Editor::move_line_down);
296 register_action(editor, window, Editor::transpose);
297 register_action(editor, window, Editor::rewrap);
298 register_action(editor, window, Editor::cut);
299 register_action(editor, window, Editor::kill_ring_cut);
300 register_action(editor, window, Editor::kill_ring_yank);
301 register_action(editor, window, Editor::copy);
302 register_action(editor, window, Editor::copy_and_trim);
303 register_action(editor, window, Editor::diff_clipboard_with_selection);
304 register_action(editor, window, Editor::paste);
305 register_action(editor, window, Editor::undo);
306 register_action(editor, window, Editor::redo);
307 register_action(editor, window, Editor::move_page_up);
308 register_action(editor, window, Editor::move_page_down);
309 register_action(editor, window, Editor::next_screen);
310 register_action(editor, window, Editor::scroll_cursor_top);
311 register_action(editor, window, Editor::scroll_cursor_center);
312 register_action(editor, window, Editor::scroll_cursor_bottom);
313 register_action(editor, window, Editor::scroll_cursor_center_top_bottom);
314 register_action(editor, window, |editor, _: &LineDown, window, cx| {
315 editor.scroll_screen(&ScrollAmount::Line(1.), window, cx)
316 });
317 register_action(editor, window, |editor, _: &LineUp, window, cx| {
318 editor.scroll_screen(&ScrollAmount::Line(-1.), window, cx)
319 });
320 register_action(editor, window, |editor, _: &HalfPageDown, window, cx| {
321 editor.scroll_screen(&ScrollAmount::Page(0.5), window, cx)
322 });
323 register_action(
324 editor,
325 window,
326 |editor, HandleInput(text): &HandleInput, window, cx| {
327 if text.is_empty() {
328 return;
329 }
330 editor.handle_input(text, window, cx);
331 },
332 );
333 register_action(editor, window, |editor, _: &HalfPageUp, window, cx| {
334 editor.scroll_screen(&ScrollAmount::Page(-0.5), window, cx)
335 });
336 register_action(editor, window, |editor, _: &PageDown, window, cx| {
337 editor.scroll_screen(&ScrollAmount::Page(1.), window, cx)
338 });
339 register_action(editor, window, |editor, _: &PageUp, window, cx| {
340 editor.scroll_screen(&ScrollAmount::Page(-1.), window, cx)
341 });
342 register_action(editor, window, Editor::move_to_previous_word_start);
343 register_action(editor, window, Editor::move_to_previous_subword_start);
344 register_action(editor, window, Editor::move_to_next_word_end);
345 register_action(editor, window, Editor::move_to_next_subword_end);
346 register_action(editor, window, Editor::move_to_beginning_of_line);
347 register_action(editor, window, Editor::move_to_end_of_line);
348 register_action(editor, window, Editor::move_to_start_of_paragraph);
349 register_action(editor, window, Editor::move_to_end_of_paragraph);
350 register_action(editor, window, Editor::move_to_beginning);
351 register_action(editor, window, Editor::move_to_end);
352 register_action(editor, window, Editor::move_to_start_of_excerpt);
353 register_action(editor, window, Editor::move_to_start_of_next_excerpt);
354 register_action(editor, window, Editor::move_to_end_of_excerpt);
355 register_action(editor, window, Editor::move_to_end_of_previous_excerpt);
356 register_action(editor, window, Editor::select_up);
357 register_action(editor, window, Editor::select_down);
358 register_action(editor, window, Editor::select_left);
359 register_action(editor, window, Editor::select_right);
360 register_action(editor, window, Editor::select_to_previous_word_start);
361 register_action(editor, window, Editor::select_to_previous_subword_start);
362 register_action(editor, window, Editor::select_to_next_word_end);
363 register_action(editor, window, Editor::select_to_next_subword_end);
364 register_action(editor, window, Editor::select_to_beginning_of_line);
365 register_action(editor, window, Editor::select_to_end_of_line);
366 register_action(editor, window, Editor::select_to_start_of_paragraph);
367 register_action(editor, window, Editor::select_to_end_of_paragraph);
368 register_action(editor, window, Editor::select_to_start_of_excerpt);
369 register_action(editor, window, Editor::select_to_start_of_next_excerpt);
370 register_action(editor, window, Editor::select_to_end_of_excerpt);
371 register_action(editor, window, Editor::select_to_end_of_previous_excerpt);
372 register_action(editor, window, Editor::select_to_beginning);
373 register_action(editor, window, Editor::select_to_end);
374 register_action(editor, window, Editor::select_all);
375 register_action(editor, window, |editor, action, window, cx| {
376 editor.select_all_matches(action, window, cx).log_err();
377 });
378 register_action(editor, window, Editor::select_line);
379 register_action(editor, window, Editor::split_selection_into_lines);
380 register_action(editor, window, Editor::add_selection_above);
381 register_action(editor, window, Editor::add_selection_below);
382 register_action(editor, window, Editor::insert_snippet_at_selections);
383 register_action(editor, window, |editor, action, window, cx| {
384 editor.select_next(action, window, cx).log_err();
385 });
386 register_action(editor, window, |editor, action, window, cx| {
387 editor.select_previous(action, window, cx).log_err();
388 });
389 register_action(editor, window, |editor, action, window, cx| {
390 editor.find_next_match(action, window, cx).log_err();
391 });
392 register_action(editor, window, |editor, action, window, cx| {
393 editor.find_previous_match(action, window, cx).log_err();
394 });
395 register_action(editor, window, Editor::toggle_comments);
396 register_action(editor, window, Editor::select_larger_syntax_node);
397 register_action(editor, window, Editor::select_smaller_syntax_node);
398 register_action(editor, window, Editor::select_next_syntax_node);
399 register_action(editor, window, Editor::select_prev_syntax_node);
400 register_action(
401 editor,
402 window,
403 Editor::select_to_start_of_larger_syntax_node,
404 );
405 register_action(editor, window, Editor::select_to_end_of_larger_syntax_node);
406 register_action(editor, window, Editor::unwrap_syntax_node);
407 register_action(editor, window, Editor::move_to_start_of_larger_syntax_node);
408 register_action(editor, window, Editor::move_to_end_of_larger_syntax_node);
409 register_action(editor, window, Editor::select_enclosing_symbol);
410 register_action(editor, window, Editor::move_to_enclosing_bracket);
411 register_action(editor, window, Editor::undo_selection);
412 register_action(editor, window, Editor::redo_selection);
413 if editor.read(cx).buffer_kind(cx) == ItemBufferKind::Multibuffer {
414 register_action(editor, window, Editor::expand_excerpts);
415 register_action(editor, window, Editor::expand_excerpts_up);
416 register_action(editor, window, Editor::expand_excerpts_down);
417 }
418 register_action(editor, window, Editor::go_to_diagnostic);
419 register_action(editor, window, Editor::go_to_prev_diagnostic);
420 register_action(editor, window, Editor::go_to_next_hunk);
421 register_action(editor, window, Editor::go_to_prev_hunk);
422 register_action(editor, window, Editor::go_to_next_document_highlight);
423 register_action(editor, window, Editor::go_to_prev_document_highlight);
424 register_action(editor, window, |editor, action, window, cx| {
425 editor
426 .go_to_definition(action, window, cx)
427 .detach_and_log_err(cx);
428 });
429 register_action(editor, window, |editor, action, window, cx| {
430 editor
431 .go_to_definition_split(action, window, cx)
432 .detach_and_log_err(cx);
433 });
434 register_action(editor, window, |editor, action, window, cx| {
435 editor
436 .go_to_declaration(action, window, cx)
437 .detach_and_log_err(cx);
438 });
439 register_action(editor, window, |editor, action, window, cx| {
440 editor
441 .go_to_declaration_split(action, window, cx)
442 .detach_and_log_err(cx);
443 });
444 register_action(editor, window, |editor, action, window, cx| {
445 editor
446 .go_to_implementation(action, window, cx)
447 .detach_and_log_err(cx);
448 });
449 register_action(editor, window, |editor, action, window, cx| {
450 editor
451 .go_to_implementation_split(action, window, cx)
452 .detach_and_log_err(cx);
453 });
454 register_action(editor, window, |editor, action, window, cx| {
455 editor
456 .go_to_type_definition(action, window, cx)
457 .detach_and_log_err(cx);
458 });
459 register_action(editor, window, |editor, action, window, cx| {
460 editor
461 .go_to_type_definition_split(action, window, cx)
462 .detach_and_log_err(cx);
463 });
464 register_action(editor, window, Editor::open_url);
465 register_action(editor, window, Editor::open_selected_filename);
466 register_action(editor, window, Editor::fold);
467 register_action(editor, window, Editor::fold_at_level);
468 register_action(editor, window, Editor::fold_at_level_1);
469 register_action(editor, window, Editor::fold_at_level_2);
470 register_action(editor, window, Editor::fold_at_level_3);
471 register_action(editor, window, Editor::fold_at_level_4);
472 register_action(editor, window, Editor::fold_at_level_5);
473 register_action(editor, window, Editor::fold_at_level_6);
474 register_action(editor, window, Editor::fold_at_level_7);
475 register_action(editor, window, Editor::fold_at_level_8);
476 register_action(editor, window, Editor::fold_at_level_9);
477 register_action(editor, window, Editor::fold_all);
478 register_action(editor, window, Editor::fold_function_bodies);
479 register_action(editor, window, Editor::fold_recursive);
480 register_action(editor, window, Editor::toggle_fold);
481 register_action(editor, window, Editor::toggle_fold_recursive);
482 register_action(editor, window, Editor::toggle_fold_all);
483 register_action(editor, window, Editor::unfold_lines);
484 register_action(editor, window, Editor::unfold_recursive);
485 register_action(editor, window, Editor::unfold_all);
486 register_action(editor, window, Editor::fold_selected_ranges);
487 register_action(editor, window, Editor::set_mark);
488 register_action(editor, window, Editor::swap_selection_ends);
489 register_action(editor, window, Editor::show_completions);
490 register_action(editor, window, Editor::show_word_completions);
491 register_action(editor, window, Editor::toggle_code_actions);
492 register_action(editor, window, Editor::open_excerpts);
493 register_action(editor, window, Editor::open_excerpts_in_split);
494 register_action(editor, window, Editor::toggle_soft_wrap);
495 register_action(editor, window, Editor::toggle_tab_bar);
496 register_action(editor, window, Editor::toggle_line_numbers);
497 register_action(editor, window, Editor::toggle_relative_line_numbers);
498 register_action(editor, window, Editor::toggle_indent_guides);
499 register_action(editor, window, Editor::toggle_inlay_hints);
500 register_action(editor, window, Editor::toggle_semantic_highlights);
501 register_action(editor, window, Editor::toggle_edit_predictions);
502 if editor.read(cx).diagnostics_enabled() {
503 register_action(editor, window, Editor::toggle_diagnostics);
504 }
505 if editor.read(cx).inline_diagnostics_enabled() {
506 register_action(editor, window, Editor::toggle_inline_diagnostics);
507 }
508 if editor.read(cx).supports_minimap(cx) {
509 register_action(editor, window, Editor::toggle_minimap);
510 }
511 register_action(editor, window, hover_popover::hover);
512 register_action(editor, window, Editor::reveal_in_finder);
513 register_action(editor, window, Editor::copy_path);
514 register_action(editor, window, Editor::copy_relative_path);
515 register_action(editor, window, Editor::copy_file_name);
516 register_action(editor, window, Editor::copy_file_name_without_extension);
517 register_action(editor, window, Editor::copy_highlight_json);
518 register_action(editor, window, Editor::copy_permalink_to_line);
519 register_action(editor, window, Editor::open_permalink_to_line);
520 register_action(editor, window, Editor::copy_file_location);
521 register_action(editor, window, Editor::toggle_git_blame);
522 register_action(editor, window, Editor::toggle_git_blame_inline);
523 register_action(editor, window, Editor::open_git_blame_commit);
524 register_action(editor, window, Editor::toggle_selected_diff_hunks);
525 register_action(editor, window, Editor::toggle_staged_selected_diff_hunks);
526 register_action(editor, window, Editor::stage_and_next);
527 register_action(editor, window, Editor::unstage_and_next);
528 register_action(editor, window, Editor::expand_all_diff_hunks);
529 register_action(editor, window, Editor::collapse_all_diff_hunks);
530 register_action(editor, window, Editor::toggle_review_comments_expanded);
531 register_action(editor, window, Editor::submit_diff_review_comment_action);
532 register_action(editor, window, Editor::edit_review_comment);
533 register_action(editor, window, Editor::delete_review_comment);
534 register_action(editor, window, Editor::confirm_edit_review_comment_action);
535 register_action(editor, window, Editor::cancel_edit_review_comment_action);
536 register_action(editor, window, Editor::go_to_previous_change);
537 register_action(editor, window, Editor::go_to_next_change);
538 register_action(editor, window, Editor::go_to_prev_reference);
539 register_action(editor, window, Editor::go_to_next_reference);
540 register_action(editor, window, Editor::go_to_previous_symbol);
541 register_action(editor, window, Editor::go_to_next_symbol);
542
543 register_action(editor, window, |editor, action, window, cx| {
544 if let Some(task) = editor.format(action, window, cx) {
545 editor.detach_and_notify_err(task, window, cx);
546 } else {
547 cx.propagate();
548 }
549 });
550 register_action(editor, window, |editor, action, window, cx| {
551 if let Some(task) = editor.format_selections(action, window, cx) {
552 editor.detach_and_notify_err(task, window, cx);
553 } else {
554 cx.propagate();
555 }
556 });
557 register_action(editor, window, |editor, action, window, cx| {
558 if let Some(task) = editor.organize_imports(action, window, cx) {
559 editor.detach_and_notify_err(task, window, cx);
560 } else {
561 cx.propagate();
562 }
563 });
564 register_action(editor, window, Editor::restart_language_server);
565 register_action(editor, window, Editor::stop_language_server);
566 register_action(editor, window, Editor::show_character_palette);
567 register_action(editor, window, |editor, action, window, cx| {
568 if let Some(task) = editor.confirm_completion(action, window, cx) {
569 editor.detach_and_notify_err(task, window, cx);
570 } else {
571 cx.propagate();
572 }
573 });
574 register_action(editor, window, |editor, action, window, cx| {
575 if let Some(task) = editor.confirm_completion_replace(action, window, cx) {
576 editor.detach_and_notify_err(task, window, cx);
577 } else {
578 cx.propagate();
579 }
580 });
581 register_action(editor, window, |editor, action, window, cx| {
582 if let Some(task) = editor.confirm_completion_insert(action, window, cx) {
583 editor.detach_and_notify_err(task, window, cx);
584 } else {
585 cx.propagate();
586 }
587 });
588 register_action(editor, window, |editor, action, window, cx| {
589 if let Some(task) = editor.compose_completion(action, window, cx) {
590 editor.detach_and_notify_err(task, window, cx);
591 } else {
592 cx.propagate();
593 }
594 });
595 register_action(editor, window, |editor, action, window, cx| {
596 if let Some(task) = editor.confirm_code_action(action, window, cx) {
597 editor.detach_and_notify_err(task, window, cx);
598 } else {
599 cx.propagate();
600 }
601 });
602 register_action(editor, window, |editor, action, window, cx| {
603 if let Some(task) = editor.rename(action, window, cx) {
604 editor.detach_and_notify_err(task, window, cx);
605 } else {
606 cx.propagate();
607 }
608 });
609 register_action(editor, window, |editor, action, window, cx| {
610 if let Some(task) = editor.confirm_rename(action, window, cx) {
611 editor.detach_and_notify_err(task, window, cx);
612 } else {
613 cx.propagate();
614 }
615 });
616 register_action(editor, window, |editor, action, window, cx| {
617 if let Some(task) = editor.find_all_references(action, window, cx) {
618 task.detach_and_log_err(cx);
619 } else {
620 cx.propagate();
621 }
622 });
623 register_action(editor, window, Editor::show_signature_help);
624 register_action(editor, window, Editor::signature_help_prev);
625 register_action(editor, window, Editor::signature_help_next);
626 register_action(editor, window, Editor::show_edit_prediction);
627 register_action(editor, window, Editor::context_menu_first);
628 register_action(editor, window, Editor::context_menu_prev);
629 register_action(editor, window, Editor::context_menu_next);
630 register_action(editor, window, Editor::context_menu_last);
631 register_action(editor, window, Editor::display_cursor_names);
632 register_action(editor, window, Editor::unique_lines_case_insensitive);
633 register_action(editor, window, Editor::unique_lines_case_sensitive);
634 register_action(editor, window, Editor::accept_next_word_edit_prediction);
635 register_action(editor, window, Editor::accept_next_line_edit_prediction);
636 register_action(editor, window, Editor::accept_edit_prediction);
637 register_action(editor, window, Editor::restore_file);
638 register_action(editor, window, Editor::git_restore);
639 register_action(editor, window, Editor::restore_and_next);
640 register_action(editor, window, Editor::apply_all_diff_hunks);
641 register_action(editor, window, Editor::apply_selected_diff_hunks);
642 register_action(editor, window, Editor::open_active_item_in_terminal);
643 register_action(editor, window, Editor::reload_file);
644 register_action(editor, window, Editor::spawn_nearest_task);
645 register_action(editor, window, Editor::insert_uuid_v4);
646 register_action(editor, window, Editor::insert_uuid_v7);
647 register_action(editor, window, Editor::open_selections_in_multibuffer);
648 register_action(editor, window, Editor::toggle_breakpoint);
649 register_action(editor, window, Editor::edit_log_breakpoint);
650 register_action(editor, window, Editor::enable_breakpoint);
651 register_action(editor, window, Editor::disable_breakpoint);
652 register_action(editor, window, Editor::toggle_read_only);
653 register_action(editor, window, Editor::align_selections);
654 if editor.read(cx).enable_wrap_selections_in_tag(cx) {
655 register_action(editor, window, Editor::wrap_selections_in_tag);
656 }
657 }
658
659 fn register_key_listeners(&self, window: &mut Window, _: &mut App, layout: &EditorLayout) {
660 let position_map = layout.position_map.clone();
661 window.on_key_event({
662 let editor = self.editor.clone();
663 move |event: &ModifiersChangedEvent, phase, window, cx| {
664 if phase != DispatchPhase::Bubble {
665 return;
666 }
667 editor.update(cx, |editor, cx| {
668 let inlay_hint_settings = inlay_hint_settings(
669 editor.selections.newest_anchor().head(),
670 &editor.buffer.read(cx).snapshot(cx),
671 cx,
672 );
673
674 if let Some(inlay_modifiers) = inlay_hint_settings
675 .toggle_on_modifiers_press
676 .as_ref()
677 .filter(|modifiers| modifiers.modified())
678 {
679 editor.refresh_inlay_hints(
680 InlayHintRefreshReason::ModifiersChanged(
681 inlay_modifiers == &event.modifiers,
682 ),
683 cx,
684 );
685 }
686
687 if editor.hover_state.focused(window, cx) {
688 return;
689 }
690
691 editor.handle_modifiers_changed(event.modifiers, &position_map, window, cx);
692 })
693 }
694 });
695 }
696
697 fn mouse_left_down(
698 editor: &mut Editor,
699 event: &MouseDownEvent,
700 position_map: &PositionMap,
701 line_numbers: &HashMap<MultiBufferRow, LineNumberLayout>,
702 window: &mut Window,
703 cx: &mut Context<Editor>,
704 ) {
705 if window.default_prevented() {
706 return;
707 }
708
709 let text_hitbox = &position_map.text_hitbox;
710 let gutter_hitbox = &position_map.gutter_hitbox;
711 let point_for_position = position_map.point_for_position(event.position);
712 let mut click_count = event.click_count;
713 let mut modifiers = event.modifiers;
714
715 if let Some(hovered_hunk) =
716 position_map
717 .display_hunks
718 .iter()
719 .find_map(|(hunk, hunk_hitbox)| match hunk {
720 DisplayDiffHunk::Folded { .. } => None,
721 DisplayDiffHunk::Unfolded {
722 multi_buffer_range, ..
723 } => hunk_hitbox
724 .as_ref()
725 .is_some_and(|hitbox| hitbox.is_hovered(window))
726 .then(|| multi_buffer_range.clone()),
727 })
728 {
729 editor.toggle_single_diff_hunk(hovered_hunk, cx);
730 cx.notify();
731 return;
732 } else if gutter_hitbox.is_hovered(window) {
733 click_count = 3; // Simulate triple-click when clicking the gutter to select lines
734 } else if !text_hitbox.is_hovered(window) {
735 return;
736 }
737
738 if EditorSettings::get_global(cx)
739 .drag_and_drop_selection
740 .enabled
741 && click_count == 1
742 && !modifiers.shift
743 {
744 let newest_anchor = editor.selections.newest_anchor();
745 let snapshot = editor.snapshot(window, cx);
746 let selection = newest_anchor.map(|anchor| anchor.to_display_point(&snapshot));
747 if point_for_position.intersects_selection(&selection) {
748 editor.selection_drag_state = SelectionDragState::ReadyToDrag {
749 selection: newest_anchor.clone(),
750 click_position: event.position,
751 mouse_down_time: Instant::now(),
752 };
753 cx.stop_propagation();
754 return;
755 }
756 }
757
758 let is_singleton = editor.buffer().read(cx).is_singleton();
759
760 if click_count == 2 && !is_singleton {
761 match EditorSettings::get_global(cx).double_click_in_multibuffer {
762 DoubleClickInMultibuffer::Select => {
763 // do nothing special on double click, all selection logic is below
764 }
765 DoubleClickInMultibuffer::Open => {
766 if modifiers.alt {
767 // if double click is made with alt, pretend it's a regular double click without opening and alt,
768 // and run the selection logic.
769 modifiers.alt = false;
770 } else {
771 let scroll_position_row = position_map.scroll_position.y;
772 let display_row = (((event.position - gutter_hitbox.bounds.origin).y
773 / position_map.line_height)
774 as f64
775 + position_map.scroll_position.y)
776 as u32;
777 let multi_buffer_row = position_map
778 .snapshot
779 .display_point_to_point(
780 DisplayPoint::new(DisplayRow(display_row), 0),
781 Bias::Right,
782 )
783 .row;
784 let line_offset_from_top = display_row - scroll_position_row as u32;
785 // if double click is made without alt, open the corresponding excerp
786 editor.open_excerpts_common(
787 Some(JumpData::MultiBufferRow {
788 row: MultiBufferRow(multi_buffer_row),
789 line_offset_from_top,
790 }),
791 false,
792 window,
793 cx,
794 );
795 return;
796 }
797 }
798 }
799 }
800
801 if !is_singleton {
802 let display_row = (ScrollPixelOffset::from(
803 (event.position - gutter_hitbox.bounds.origin).y / position_map.line_height,
804 ) + position_map.scroll_position.y) as u32;
805 let multi_buffer_row = position_map
806 .snapshot
807 .display_point_to_point(DisplayPoint::new(DisplayRow(display_row), 0), Bias::Right)
808 .row;
809 if line_numbers
810 .get(&MultiBufferRow(multi_buffer_row))
811 .is_some_and(|line_layout| {
812 line_layout.segments.iter().any(|segment| {
813 segment
814 .hitbox
815 .as_ref()
816 .is_some_and(|hitbox| hitbox.contains(&event.position))
817 })
818 })
819 {
820 let line_offset_from_top = display_row - position_map.scroll_position.y as u32;
821
822 editor.open_excerpts_common(
823 Some(JumpData::MultiBufferRow {
824 row: MultiBufferRow(multi_buffer_row),
825 line_offset_from_top,
826 }),
827 modifiers.alt,
828 window,
829 cx,
830 );
831 cx.stop_propagation();
832 return;
833 }
834 }
835
836 let position = point_for_position.previous_valid;
837 if let Some(mode) = Editor::columnar_selection_mode(&modifiers, cx) {
838 editor.select(
839 SelectPhase::BeginColumnar {
840 position,
841 reset: match mode {
842 ColumnarMode::FromMouse => true,
843 ColumnarMode::FromSelection => false,
844 },
845 mode,
846 goal_column: point_for_position.exact_unclipped.column(),
847 },
848 window,
849 cx,
850 );
851 } else if modifiers.shift && !modifiers.control && !modifiers.alt && !modifiers.secondary()
852 {
853 editor.select(
854 SelectPhase::Extend {
855 position,
856 click_count,
857 },
858 window,
859 cx,
860 );
861 } else {
862 editor.select(
863 SelectPhase::Begin {
864 position,
865 add: Editor::is_alt_pressed(&modifiers, cx),
866 click_count,
867 },
868 window,
869 cx,
870 );
871 }
872 cx.stop_propagation();
873 }
874
875 fn mouse_right_down(
876 editor: &mut Editor,
877 event: &MouseDownEvent,
878 position_map: &PositionMap,
879 window: &mut Window,
880 cx: &mut Context<Editor>,
881 ) {
882 if position_map.gutter_hitbox.is_hovered(window) {
883 let gutter_right_padding = editor.gutter_dimensions.right_padding;
884 let hitbox = &position_map.gutter_hitbox;
885
886 if event.position.x <= hitbox.bounds.right() - gutter_right_padding {
887 let point_for_position = position_map.point_for_position(event.position);
888 editor.set_breakpoint_context_menu(
889 point_for_position.previous_valid.row(),
890 None,
891 event.position,
892 window,
893 cx,
894 );
895 }
896 return;
897 }
898
899 if !position_map.text_hitbox.is_hovered(window) {
900 return;
901 }
902
903 let point_for_position = position_map.point_for_position(event.position);
904 mouse_context_menu::deploy_context_menu(
905 editor,
906 Some(event.position),
907 point_for_position.previous_valid,
908 window,
909 cx,
910 );
911 cx.stop_propagation();
912 }
913
914 fn mouse_middle_down(
915 editor: &mut Editor,
916 event: &MouseDownEvent,
917 position_map: &PositionMap,
918 window: &mut Window,
919 cx: &mut Context<Editor>,
920 ) {
921 if !position_map.text_hitbox.is_hovered(window) || window.default_prevented() {
922 return;
923 }
924
925 let point_for_position = position_map.point_for_position(event.position);
926 let position = point_for_position.previous_valid;
927
928 editor.select(
929 SelectPhase::BeginColumnar {
930 position,
931 reset: true,
932 mode: ColumnarMode::FromMouse,
933 goal_column: point_for_position.exact_unclipped.column(),
934 },
935 window,
936 cx,
937 );
938 }
939
940 fn mouse_up(
941 editor: &mut Editor,
942 event: &MouseUpEvent,
943 position_map: &PositionMap,
944 window: &mut Window,
945 cx: &mut Context<Editor>,
946 ) {
947 // Handle diff review drag completion
948 if editor.diff_review_drag_state.is_some() {
949 editor.end_diff_review_drag(window, cx);
950 cx.stop_propagation();
951 return;
952 }
953
954 let text_hitbox = &position_map.text_hitbox;
955 let end_selection = editor.has_pending_selection();
956 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
957 let point_for_position = position_map.point_for_position(event.position);
958
959 match editor.selection_drag_state {
960 SelectionDragState::ReadyToDrag {
961 selection: _,
962 ref click_position,
963 mouse_down_time: _,
964 } => {
965 if event.position == *click_position {
966 editor.select(
967 SelectPhase::Begin {
968 position: point_for_position.previous_valid,
969 add: false,
970 click_count: 1, // ready to drag state only occurs on click count 1
971 },
972 window,
973 cx,
974 );
975 editor.selection_drag_state = SelectionDragState::None;
976 cx.stop_propagation();
977 return;
978 } else {
979 debug_panic!("drag state can never be in ready state after drag")
980 }
981 }
982 SelectionDragState::Dragging { ref selection, .. } => {
983 let snapshot = editor.snapshot(window, cx);
984 let selection_display = selection.map(|anchor| anchor.to_display_point(&snapshot));
985 if !point_for_position.intersects_selection(&selection_display)
986 && text_hitbox.is_hovered(window)
987 {
988 let is_cut = !(cfg!(target_os = "macos") && event.modifiers.alt
989 || cfg!(not(target_os = "macos")) && event.modifiers.control);
990 editor.move_selection_on_drop(
991 &selection.clone(),
992 point_for_position.previous_valid,
993 is_cut,
994 window,
995 cx,
996 );
997 }
998 editor.selection_drag_state = SelectionDragState::None;
999 cx.stop_propagation();
1000 cx.notify();
1001 return;
1002 }
1003 _ => {}
1004 }
1005
1006 if end_selection {
1007 editor.select(SelectPhase::End, window, cx);
1008 }
1009
1010 if end_selection && pending_nonempty_selections {
1011 cx.stop_propagation();
1012 } else if cfg!(any(target_os = "linux", target_os = "freebsd"))
1013 && event.button == MouseButton::Middle
1014 {
1015 #[allow(
1016 clippy::collapsible_if,
1017 clippy::needless_return,
1018 reason = "The cfg-block below makes this a false positive"
1019 )]
1020 if !text_hitbox.is_hovered(window) || editor.read_only(cx) {
1021 return;
1022 }
1023
1024 #[cfg(any(target_os = "linux", target_os = "freebsd"))]
1025 if EditorSettings::get_global(cx).middle_click_paste {
1026 if let Some(text) = cx.read_from_primary().and_then(|item| item.text()) {
1027 let point_for_position = position_map.point_for_position(event.position);
1028 let position = point_for_position.previous_valid;
1029
1030 editor.select(
1031 SelectPhase::Begin {
1032 position,
1033 add: false,
1034 click_count: 1,
1035 },
1036 window,
1037 cx,
1038 );
1039 editor.insert(&text, window, cx);
1040 }
1041 cx.stop_propagation()
1042 }
1043 }
1044 }
1045
1046 fn click(
1047 editor: &mut Editor,
1048 event: &ClickEvent,
1049 position_map: &PositionMap,
1050 window: &mut Window,
1051 cx: &mut Context<Editor>,
1052 ) {
1053 let text_hitbox = &position_map.text_hitbox;
1054 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
1055
1056 let hovered_link_modifier = Editor::is_cmd_or_ctrl_pressed(&event.modifiers(), cx);
1057 let mouse_down_hovered_link_modifier = if let ClickEvent::Mouse(mouse_event) = event {
1058 Editor::is_cmd_or_ctrl_pressed(&mouse_event.down.modifiers, cx)
1059 } else {
1060 true
1061 };
1062
1063 if let Some(mouse_position) = event.mouse_position()
1064 && !pending_nonempty_selections
1065 && hovered_link_modifier
1066 && mouse_down_hovered_link_modifier
1067 && text_hitbox.is_hovered(window)
1068 && !matches!(
1069 editor.selection_drag_state,
1070 SelectionDragState::Dragging { .. }
1071 )
1072 {
1073 let point = position_map.point_for_position(mouse_position);
1074 editor.handle_click_hovered_link(point, event.modifiers(), window, cx);
1075 editor.selection_drag_state = SelectionDragState::None;
1076
1077 cx.stop_propagation();
1078 }
1079 }
1080
1081 fn pressure_click(
1082 editor: &mut Editor,
1083 event: &MousePressureEvent,
1084 position_map: &PositionMap,
1085 window: &mut Window,
1086 cx: &mut Context<Editor>,
1087 ) {
1088 let text_hitbox = &position_map.text_hitbox;
1089 let force_click_possible =
1090 matches!(editor.prev_pressure_stage, Some(PressureStage::Normal))
1091 && event.stage == PressureStage::Force;
1092
1093 editor.prev_pressure_stage = Some(event.stage);
1094
1095 if force_click_possible && text_hitbox.is_hovered(window) {
1096 let point = position_map.point_for_position(event.position);
1097 editor.handle_click_hovered_link(point, event.modifiers, window, cx);
1098 editor.selection_drag_state = SelectionDragState::None;
1099 cx.stop_propagation();
1100 }
1101 }
1102
1103 fn mouse_dragged(
1104 editor: &mut Editor,
1105 event: &MouseMoveEvent,
1106 position_map: &PositionMap,
1107 window: &mut Window,
1108 cx: &mut Context<Editor>,
1109 ) {
1110 if !editor.has_pending_selection()
1111 && matches!(editor.selection_drag_state, SelectionDragState::None)
1112 {
1113 return;
1114 }
1115
1116 let point_for_position = position_map.point_for_position(event.position);
1117 let text_hitbox = &position_map.text_hitbox;
1118
1119 let scroll_delta = {
1120 let text_bounds = text_hitbox.bounds;
1121 let mut scroll_delta = gpui::Point::<f32>::default();
1122 let vertical_margin = position_map.line_height.min(text_bounds.size.height / 3.0);
1123 let top = text_bounds.origin.y + vertical_margin;
1124 let bottom = text_bounds.bottom_left().y - vertical_margin;
1125 if event.position.y < top {
1126 scroll_delta.y = -scale_vertical_mouse_autoscroll_delta(top - event.position.y);
1127 }
1128 if event.position.y > bottom {
1129 scroll_delta.y = scale_vertical_mouse_autoscroll_delta(event.position.y - bottom);
1130 }
1131
1132 // We need horizontal width of text
1133 let style = editor.style.clone().unwrap_or_default();
1134 let font_id = window.text_system().resolve_font(&style.text.font());
1135 let font_size = style.text.font_size.to_pixels(window.rem_size());
1136 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
1137
1138 let scroll_margin_x = EditorSettings::get_global(cx).horizontal_scroll_margin;
1139
1140 let scroll_space: Pixels = scroll_margin_x * em_width;
1141
1142 let left = text_bounds.origin.x + scroll_space;
1143 let right = text_bounds.top_right().x - scroll_space;
1144
1145 if event.position.x < left {
1146 scroll_delta.x = -scale_horizontal_mouse_autoscroll_delta(left - event.position.x);
1147 }
1148 if event.position.x > right {
1149 scroll_delta.x = scale_horizontal_mouse_autoscroll_delta(event.position.x - right);
1150 }
1151 scroll_delta
1152 };
1153
1154 if !editor.has_pending_selection() {
1155 let drop_anchor = position_map
1156 .snapshot
1157 .display_point_to_anchor(point_for_position.previous_valid, Bias::Left);
1158 match editor.selection_drag_state {
1159 SelectionDragState::Dragging {
1160 ref mut drop_cursor,
1161 ref mut hide_drop_cursor,
1162 ..
1163 } => {
1164 drop_cursor.start = drop_anchor;
1165 drop_cursor.end = drop_anchor;
1166 *hide_drop_cursor = !text_hitbox.is_hovered(window);
1167 editor.apply_scroll_delta(scroll_delta, window, cx);
1168 cx.notify();
1169 }
1170 SelectionDragState::ReadyToDrag {
1171 ref selection,
1172 ref click_position,
1173 ref mouse_down_time,
1174 } => {
1175 let drag_and_drop_delay = Duration::from_millis(
1176 EditorSettings::get_global(cx)
1177 .drag_and_drop_selection
1178 .delay
1179 .0,
1180 );
1181 if mouse_down_time.elapsed() >= drag_and_drop_delay {
1182 let drop_cursor = Selection {
1183 id: post_inc(&mut editor.selections.next_selection_id()),
1184 start: drop_anchor,
1185 end: drop_anchor,
1186 reversed: false,
1187 goal: SelectionGoal::None,
1188 };
1189 editor.selection_drag_state = SelectionDragState::Dragging {
1190 selection: selection.clone(),
1191 drop_cursor,
1192 hide_drop_cursor: false,
1193 };
1194 editor.apply_scroll_delta(scroll_delta, window, cx);
1195 cx.notify();
1196 } else {
1197 let click_point = position_map.point_for_position(*click_position);
1198 editor.selection_drag_state = SelectionDragState::None;
1199 editor.select(
1200 SelectPhase::Begin {
1201 position: click_point.previous_valid,
1202 add: false,
1203 click_count: 1,
1204 },
1205 window,
1206 cx,
1207 );
1208 editor.select(
1209 SelectPhase::Update {
1210 position: point_for_position.previous_valid,
1211 goal_column: point_for_position.exact_unclipped.column(),
1212 scroll_delta,
1213 },
1214 window,
1215 cx,
1216 );
1217 }
1218 }
1219 _ => {}
1220 }
1221 } else {
1222 editor.select(
1223 SelectPhase::Update {
1224 position: point_for_position.previous_valid,
1225 goal_column: point_for_position.exact_unclipped.column(),
1226 scroll_delta,
1227 },
1228 window,
1229 cx,
1230 );
1231 }
1232 }
1233
1234 pub(crate) fn mouse_moved(
1235 editor: &mut Editor,
1236 event: &MouseMoveEvent,
1237 position_map: &PositionMap,
1238 split_side: Option<SplitSide>,
1239 window: &mut Window,
1240 cx: &mut Context<Editor>,
1241 ) {
1242 let text_hitbox = &position_map.text_hitbox;
1243 let gutter_hitbox = &position_map.gutter_hitbox;
1244 let modifiers = event.modifiers;
1245 let text_hovered = text_hitbox.is_hovered(window);
1246 let gutter_hovered = gutter_hitbox.is_hovered(window);
1247 editor.set_gutter_hovered(gutter_hovered, cx);
1248 editor.show_mouse_cursor(cx);
1249
1250 let point_for_position = position_map.point_for_position(event.position);
1251 let valid_point = point_for_position.previous_valid;
1252
1253 // Update diff review drag state if we're dragging
1254 if editor.diff_review_drag_state.is_some() {
1255 editor.update_diff_review_drag(valid_point.row(), window, cx);
1256 }
1257
1258 let hovered_diff_control = position_map
1259 .diff_hunk_control_bounds
1260 .iter()
1261 .find(|(_, bounds)| bounds.contains(&event.position))
1262 .map(|(row, _)| *row);
1263
1264 let hovered_diff_hunk_row = if let Some(control_row) = hovered_diff_control {
1265 Some(control_row)
1266 } else if text_hovered {
1267 let current_row = valid_point.row();
1268 position_map.display_hunks.iter().find_map(|(hunk, _)| {
1269 if let DisplayDiffHunk::Unfolded {
1270 display_row_range, ..
1271 } = hunk
1272 {
1273 if display_row_range.contains(¤t_row) {
1274 Some(display_row_range.start)
1275 } else {
1276 None
1277 }
1278 } else {
1279 None
1280 }
1281 })
1282 } else {
1283 None
1284 };
1285
1286 if hovered_diff_hunk_row != editor.hovered_diff_hunk_row {
1287 editor.hovered_diff_hunk_row = hovered_diff_hunk_row;
1288 cx.notify();
1289 }
1290
1291 if let Some((bounds, buffer_id, blame_entry)) = &position_map.inline_blame_bounds {
1292 let mouse_over_inline_blame = bounds.contains(&event.position);
1293 let mouse_over_popover = editor
1294 .inline_blame_popover
1295 .as_ref()
1296 .and_then(|state| state.popover_bounds)
1297 .is_some_and(|bounds| bounds.contains(&event.position));
1298 let keyboard_grace = editor
1299 .inline_blame_popover
1300 .as_ref()
1301 .is_some_and(|state| state.keyboard_grace);
1302
1303 if mouse_over_inline_blame || mouse_over_popover {
1304 editor.show_blame_popover(*buffer_id, blame_entry, event.position, false, cx);
1305 } else if !keyboard_grace {
1306 editor.hide_blame_popover(false, cx);
1307 }
1308 } else {
1309 let keyboard_grace = editor
1310 .inline_blame_popover
1311 .as_ref()
1312 .is_some_and(|state| state.keyboard_grace);
1313 if !keyboard_grace {
1314 editor.hide_blame_popover(false, cx);
1315 }
1316 }
1317
1318 // Handle diff review indicator when gutter is hovered in diff mode with AI enabled
1319 let show_diff_review = editor.show_diff_review_button()
1320 && cx.has_flag::<DiffReviewFeatureFlag>()
1321 && !DisableAiSettings::is_ai_disabled_for_buffer(
1322 editor.buffer.read(cx).as_singleton().as_ref(),
1323 cx,
1324 );
1325
1326 let diff_review_indicator = if gutter_hovered && show_diff_review {
1327 let is_visible = editor
1328 .gutter_diff_review_indicator
1329 .0
1330 .is_some_and(|indicator| indicator.is_active);
1331
1332 if !is_visible {
1333 editor
1334 .gutter_diff_review_indicator
1335 .1
1336 .get_or_insert_with(|| {
1337 cx.spawn(async move |this, cx| {
1338 cx.background_executor()
1339 .timer(Duration::from_millis(200))
1340 .await;
1341
1342 this.update(cx, |this, cx| {
1343 if let Some(indicator) =
1344 this.gutter_diff_review_indicator.0.as_mut()
1345 {
1346 indicator.is_active = true;
1347 cx.notify();
1348 }
1349 })
1350 .ok();
1351 })
1352 });
1353 }
1354
1355 let anchor = position_map
1356 .snapshot
1357 .display_point_to_anchor(valid_point, Bias::Left);
1358 Some(PhantomDiffReviewIndicator {
1359 start: anchor,
1360 end: anchor,
1361 is_active: is_visible,
1362 })
1363 } else {
1364 editor.gutter_diff_review_indicator.1 = None;
1365 None
1366 };
1367
1368 if diff_review_indicator != editor.gutter_diff_review_indicator.0 {
1369 editor.gutter_diff_review_indicator.0 = diff_review_indicator;
1370 cx.notify();
1371 }
1372
1373 // Don't show breakpoint indicator when diff review indicator is active on this row
1374 let is_on_diff_review_button_row = diff_review_indicator.is_some_and(|indicator| {
1375 let start_row = indicator
1376 .start
1377 .to_display_point(&position_map.snapshot.display_snapshot)
1378 .row();
1379 indicator.is_active && start_row == valid_point.row()
1380 });
1381
1382 let breakpoint_indicator = if gutter_hovered
1383 && !is_on_diff_review_button_row
1384 && split_side != Some(SplitSide::Left)
1385 {
1386 let buffer_anchor = position_map
1387 .snapshot
1388 .display_point_to_anchor(valid_point, Bias::Left);
1389
1390 if let Some((buffer_snapshot, file)) = position_map
1391 .snapshot
1392 .buffer_snapshot()
1393 .buffer_for_excerpt(buffer_anchor.excerpt_id)
1394 .and_then(|buffer| buffer.file().map(|file| (buffer, file)))
1395 {
1396 let as_point = text::ToPoint::to_point(&buffer_anchor.text_anchor, buffer_snapshot);
1397
1398 let is_visible = editor
1399 .gutter_breakpoint_indicator
1400 .0
1401 .is_some_and(|indicator| indicator.is_active);
1402
1403 let has_existing_breakpoint =
1404 editor.breakpoint_store.as_ref().is_some_and(|store| {
1405 let Some(project) = &editor.project else {
1406 return false;
1407 };
1408 let Some(abs_path) = project.read(cx).absolute_path(
1409 &ProjectPath {
1410 path: file.path().clone(),
1411 worktree_id: file.worktree_id(cx),
1412 },
1413 cx,
1414 ) else {
1415 return false;
1416 };
1417 store
1418 .read(cx)
1419 .breakpoint_at_row(&abs_path, as_point.row, cx)
1420 .is_some()
1421 });
1422
1423 if !is_visible {
1424 editor.gutter_breakpoint_indicator.1.get_or_insert_with(|| {
1425 cx.spawn(async move |this, cx| {
1426 cx.background_executor()
1427 .timer(Duration::from_millis(200))
1428 .await;
1429
1430 this.update(cx, |this, cx| {
1431 if let Some(indicator) = this.gutter_breakpoint_indicator.0.as_mut()
1432 {
1433 indicator.is_active = true;
1434 cx.notify();
1435 }
1436 })
1437 .ok();
1438 })
1439 });
1440 }
1441
1442 Some(PhantomBreakpointIndicator {
1443 display_row: valid_point.row(),
1444 is_active: is_visible,
1445 collides_with_existing_breakpoint: has_existing_breakpoint,
1446 })
1447 } else {
1448 editor.gutter_breakpoint_indicator.1 = None;
1449 None
1450 }
1451 } else {
1452 editor.gutter_breakpoint_indicator.1 = None;
1453 None
1454 };
1455
1456 if &breakpoint_indicator != &editor.gutter_breakpoint_indicator.0 {
1457 editor.gutter_breakpoint_indicator.0 = breakpoint_indicator;
1458 cx.notify();
1459 }
1460
1461 // Don't trigger hover popover if mouse is hovering over context menu
1462 if text_hovered {
1463 editor.update_hovered_link(
1464 point_for_position,
1465 Some(event.position),
1466 &position_map.snapshot,
1467 modifiers,
1468 window,
1469 cx,
1470 );
1471
1472 if let Some(point) = point_for_position.as_valid() {
1473 let anchor = position_map
1474 .snapshot
1475 .buffer_snapshot()
1476 .anchor_before(point.to_offset(&position_map.snapshot, Bias::Left));
1477 hover_at(editor, Some(anchor), Some(event.position), window, cx);
1478 Self::update_visible_cursor(editor, point, position_map, window, cx);
1479 } else {
1480 editor.update_inlay_link_and_hover_points(
1481 &position_map.snapshot,
1482 point_for_position,
1483 Some(event.position),
1484 modifiers.secondary(),
1485 modifiers.shift,
1486 window,
1487 cx,
1488 );
1489 }
1490 } else {
1491 editor.hide_hovered_link(cx);
1492 hover_at(editor, None, Some(event.position), window, cx);
1493 }
1494 }
1495
1496 fn update_visible_cursor(
1497 editor: &mut Editor,
1498 point: DisplayPoint,
1499 position_map: &PositionMap,
1500 window: &mut Window,
1501 cx: &mut Context<Editor>,
1502 ) {
1503 let snapshot = &position_map.snapshot;
1504 let Some(hub) = editor.collaboration_hub() else {
1505 return;
1506 };
1507 let start = snapshot.display_snapshot.clip_point(
1508 DisplayPoint::new(point.row(), point.column().saturating_sub(1)),
1509 Bias::Left,
1510 );
1511 let end = snapshot.display_snapshot.clip_point(
1512 DisplayPoint::new(
1513 point.row(),
1514 (point.column() + 1).min(snapshot.line_len(point.row())),
1515 ),
1516 Bias::Right,
1517 );
1518
1519 let range = snapshot
1520 .buffer_snapshot()
1521 .anchor_before(start.to_point(&snapshot.display_snapshot))
1522 ..snapshot
1523 .buffer_snapshot()
1524 .anchor_after(end.to_point(&snapshot.display_snapshot));
1525
1526 let Some(selection) = snapshot.remote_selections_in_range(&range, hub, cx).next() else {
1527 return;
1528 };
1529 let key = crate::HoveredCursor {
1530 replica_id: selection.replica_id,
1531 selection_id: selection.selection.id,
1532 };
1533 editor.hovered_cursors.insert(
1534 key.clone(),
1535 cx.spawn_in(window, async move |editor, cx| {
1536 cx.background_executor().timer(CURSORS_VISIBLE_FOR).await;
1537 editor
1538 .update(cx, |editor, cx| {
1539 editor.hovered_cursors.remove(&key);
1540 cx.notify();
1541 })
1542 .ok();
1543 }),
1544 );
1545 cx.notify()
1546 }
1547
1548 fn layout_selections(
1549 &self,
1550 start_anchor: Anchor,
1551 end_anchor: Anchor,
1552 local_selections: &[Selection<Point>],
1553 snapshot: &EditorSnapshot,
1554 start_row: DisplayRow,
1555 end_row: DisplayRow,
1556 window: &mut Window,
1557 cx: &mut App,
1558 ) -> (
1559 Vec<(PlayerColor, Vec<SelectionLayout>)>,
1560 BTreeMap<DisplayRow, LineHighlightSpec>,
1561 Option<DisplayPoint>,
1562 ) {
1563 let mut selections: Vec<(PlayerColor, Vec<SelectionLayout>)> = Vec::new();
1564 let mut active_rows = BTreeMap::new();
1565 let mut newest_selection_head = None;
1566
1567 let Some(editor_with_selections) = self.editor_with_selections(cx) else {
1568 return (selections, active_rows, newest_selection_head);
1569 };
1570
1571 editor_with_selections.update(cx, |editor, cx| {
1572 if editor.show_local_selections {
1573 let mut layouts = Vec::new();
1574 let newest = editor.selections.newest(&editor.display_snapshot(cx));
1575 for selection in local_selections.iter().cloned() {
1576 let is_empty = selection.start == selection.end;
1577 let is_newest = selection == newest;
1578
1579 let layout = SelectionLayout::new(
1580 selection,
1581 editor.selections.line_mode(),
1582 editor.cursor_offset_on_selection,
1583 editor.cursor_shape,
1584 &snapshot.display_snapshot,
1585 is_newest,
1586 editor.leader_id.is_none(),
1587 None,
1588 );
1589 if is_newest {
1590 newest_selection_head = Some(layout.head);
1591 }
1592
1593 for row in cmp::max(layout.active_rows.start.0, start_row.0)
1594 ..=cmp::min(layout.active_rows.end.0, end_row.0)
1595 {
1596 let contains_non_empty_selection = active_rows
1597 .entry(DisplayRow(row))
1598 .or_insert_with(LineHighlightSpec::default);
1599 contains_non_empty_selection.selection |= !is_empty;
1600 }
1601 layouts.push(layout);
1602 }
1603
1604 let mut player = editor.current_user_player_color(cx);
1605 if !editor.is_focused(window) {
1606 const UNFOCUS_EDITOR_SELECTION_OPACITY: f32 = 0.5;
1607 player.selection = player.selection.opacity(UNFOCUS_EDITOR_SELECTION_OPACITY);
1608 }
1609 selections.push((player, layouts));
1610
1611 if let SelectionDragState::Dragging {
1612 ref selection,
1613 ref drop_cursor,
1614 ref hide_drop_cursor,
1615 } = editor.selection_drag_state
1616 && !hide_drop_cursor
1617 && (drop_cursor
1618 .start
1619 .cmp(&selection.start, &snapshot.buffer_snapshot())
1620 .eq(&Ordering::Less)
1621 || drop_cursor
1622 .end
1623 .cmp(&selection.end, &snapshot.buffer_snapshot())
1624 .eq(&Ordering::Greater))
1625 {
1626 let drag_cursor_layout = SelectionLayout::new(
1627 drop_cursor.clone(),
1628 false,
1629 editor.cursor_offset_on_selection,
1630 CursorShape::Bar,
1631 &snapshot.display_snapshot,
1632 false,
1633 false,
1634 None,
1635 );
1636 let absent_color = cx.theme().players().absent();
1637 selections.push((absent_color, vec![drag_cursor_layout]));
1638 }
1639 }
1640
1641 if let Some(collaboration_hub) = &editor.collaboration_hub {
1642 // When following someone, render the local selections in their color.
1643 if let Some(leader_id) = editor.leader_id {
1644 match leader_id {
1645 CollaboratorId::PeerId(peer_id) => {
1646 if let Some(collaborator) =
1647 collaboration_hub.collaborators(cx).get(&peer_id)
1648 && let Some(participant_index) = collaboration_hub
1649 .user_participant_indices(cx)
1650 .get(&collaborator.user_id)
1651 && let Some((local_selection_style, _)) = selections.first_mut()
1652 {
1653 *local_selection_style = cx
1654 .theme()
1655 .players()
1656 .color_for_participant(participant_index.0);
1657 }
1658 }
1659 CollaboratorId::Agent => {
1660 if let Some((local_selection_style, _)) = selections.first_mut() {
1661 *local_selection_style = cx.theme().players().agent();
1662 }
1663 }
1664 }
1665 }
1666
1667 let mut remote_selections = HashMap::default();
1668 for selection in snapshot.remote_selections_in_range(
1669 &(start_anchor..end_anchor),
1670 collaboration_hub.as_ref(),
1671 cx,
1672 ) {
1673 // Don't re-render the leader's selections, since the local selections
1674 // match theirs.
1675 if Some(selection.collaborator_id) == editor.leader_id {
1676 continue;
1677 }
1678 let key = HoveredCursor {
1679 replica_id: selection.replica_id,
1680 selection_id: selection.selection.id,
1681 };
1682
1683 let is_shown =
1684 editor.show_cursor_names || editor.hovered_cursors.contains_key(&key);
1685
1686 remote_selections
1687 .entry(selection.replica_id)
1688 .or_insert((selection.color, Vec::new()))
1689 .1
1690 .push(SelectionLayout::new(
1691 selection.selection,
1692 selection.line_mode,
1693 editor.cursor_offset_on_selection,
1694 selection.cursor_shape,
1695 &snapshot.display_snapshot,
1696 false,
1697 false,
1698 if is_shown { selection.user_name } else { None },
1699 ));
1700 }
1701
1702 selections.extend(remote_selections.into_values());
1703 } else if !editor.is_focused(window) && editor.show_cursor_when_unfocused {
1704 let cursor_offset_on_selection = editor.cursor_offset_on_selection;
1705
1706 let layouts = snapshot
1707 .buffer_snapshot()
1708 .selections_in_range(&(start_anchor..end_anchor), true)
1709 .map(move |(_, line_mode, cursor_shape, selection)| {
1710 SelectionLayout::new(
1711 selection,
1712 line_mode,
1713 cursor_offset_on_selection,
1714 cursor_shape,
1715 &snapshot.display_snapshot,
1716 false,
1717 false,
1718 None,
1719 )
1720 })
1721 .collect::<Vec<_>>();
1722 let player = editor.current_user_player_color(cx);
1723 selections.push((player, layouts));
1724 }
1725 });
1726
1727 #[cfg(debug_assertions)]
1728 Self::layout_debug_ranges(
1729 &mut selections,
1730 start_anchor..end_anchor,
1731 &snapshot.display_snapshot,
1732 cx,
1733 );
1734
1735 (selections, active_rows, newest_selection_head)
1736 }
1737
1738 fn collect_cursors(
1739 &self,
1740 snapshot: &EditorSnapshot,
1741 cx: &mut App,
1742 ) -> Vec<(DisplayPoint, Hsla)> {
1743 let editor = self.editor.read(cx);
1744 let mut cursors = Vec::new();
1745 let mut skip_local = false;
1746 let mut add_cursor = |anchor: Anchor, color| {
1747 cursors.push((anchor.to_display_point(&snapshot.display_snapshot), color));
1748 };
1749 // Remote cursors
1750 if let Some(collaboration_hub) = &editor.collaboration_hub {
1751 for remote_selection in snapshot.remote_selections_in_range(
1752 &(Anchor::min()..Anchor::max()),
1753 collaboration_hub.deref(),
1754 cx,
1755 ) {
1756 add_cursor(
1757 remote_selection.selection.head(),
1758 remote_selection.color.cursor,
1759 );
1760 if Some(remote_selection.collaborator_id) == editor.leader_id {
1761 skip_local = true;
1762 }
1763 }
1764 }
1765 // Local cursors
1766 if !skip_local {
1767 let color = cx.theme().players().local().cursor;
1768 editor
1769 .selections
1770 .disjoint_anchors()
1771 .iter()
1772 .for_each(|selection| {
1773 add_cursor(selection.head(), color);
1774 });
1775 if let Some(ref selection) = editor.selections.pending_anchor() {
1776 add_cursor(selection.head(), color);
1777 }
1778 }
1779 cursors
1780 }
1781
1782 fn layout_visible_cursors(
1783 &self,
1784 snapshot: &EditorSnapshot,
1785 selections: &[(PlayerColor, Vec<SelectionLayout>)],
1786 row_block_types: &HashMap<DisplayRow, bool>,
1787 visible_display_row_range: Range<DisplayRow>,
1788 line_layouts: &[LineWithInvisibles],
1789 text_hitbox: &Hitbox,
1790 content_origin: gpui::Point<Pixels>,
1791 scroll_position: gpui::Point<ScrollOffset>,
1792 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
1793 line_height: Pixels,
1794 em_width: Pixels,
1795 em_advance: Pixels,
1796 autoscroll_containing_element: bool,
1797 redacted_ranges: &[Range<DisplayPoint>],
1798 window: &mut Window,
1799 cx: &mut App,
1800 ) -> Vec<CursorLayout> {
1801 let mut autoscroll_bounds = None;
1802 let cursor_layouts = self.editor.update(cx, |editor, cx| {
1803 let mut cursors = Vec::new();
1804
1805 let show_local_cursors = editor.show_local_cursors(window, cx);
1806
1807 for (player_color, selections) in selections {
1808 for selection in selections {
1809 let cursor_position = selection.head;
1810
1811 let in_range = visible_display_row_range.contains(&cursor_position.row());
1812 if (selection.is_local && !show_local_cursors)
1813 || !in_range
1814 || row_block_types.get(&cursor_position.row()) == Some(&true)
1815 {
1816 continue;
1817 }
1818
1819 let cursor_row_layout = &line_layouts
1820 [cursor_position.row().minus(visible_display_row_range.start) as usize];
1821 let cursor_column = cursor_position.column() as usize;
1822
1823 let cursor_character_x = cursor_row_layout.x_for_index(cursor_column)
1824 + cursor_row_layout
1825 .alignment_offset(self.style.text.text_align, text_hitbox.size.width);
1826 let cursor_next_x = cursor_row_layout.x_for_index(cursor_column + 1)
1827 + cursor_row_layout
1828 .alignment_offset(self.style.text.text_align, text_hitbox.size.width);
1829 let mut cell_width = cursor_next_x - cursor_character_x;
1830 if cell_width == Pixels::ZERO {
1831 cell_width = em_advance;
1832 }
1833
1834 let mut block_width = cell_width;
1835 let mut block_text = None;
1836
1837 let is_cursor_in_redacted_range = redacted_ranges
1838 .iter()
1839 .any(|range| range.start <= cursor_position && cursor_position < range.end);
1840
1841 if selection.cursor_shape == CursorShape::Block && !is_cursor_in_redacted_range
1842 {
1843 if let Some(text) = snapshot.grapheme_at(cursor_position).or_else(|| {
1844 if snapshot.is_empty() {
1845 snapshot.placeholder_text().and_then(|s| {
1846 s.graphemes(true).next().map(|s| s.to_string().into())
1847 })
1848 } else {
1849 None
1850 }
1851 }) {
1852 let is_ascii_whitespace_only =
1853 text.as_ref().chars().all(|c| c.is_ascii_whitespace());
1854 let len = text.len();
1855
1856 let mut font = cursor_row_layout
1857 .font_id_for_index(cursor_column)
1858 .and_then(|cursor_font_id| {
1859 window.text_system().get_font_for_id(cursor_font_id)
1860 })
1861 .unwrap_or(self.style.text.font());
1862 font.features = self.style.text.font_features.clone();
1863
1864 // Invert the text color for the block cursor. Ensure that the text
1865 // color is opaque enough to be visible against the background color.
1866 //
1867 // 0.75 is an arbitrary threshold to determine if the background color is
1868 // opaque enough to use as a text color.
1869 //
1870 // TODO: In the future we should ensure themes have a `text_inverse` color.
1871 let color = if cx.theme().colors().editor_background.a < 0.75 {
1872 match cx.theme().appearance {
1873 Appearance::Dark => Hsla::black(),
1874 Appearance::Light => Hsla::white(),
1875 }
1876 } else {
1877 cx.theme().colors().editor_background
1878 };
1879
1880 let shaped = window.text_system().shape_line(
1881 text,
1882 cursor_row_layout.font_size,
1883 &[TextRun {
1884 len,
1885 font,
1886 color,
1887 ..Default::default()
1888 }],
1889 None,
1890 );
1891 if !is_ascii_whitespace_only {
1892 block_width = block_width.max(shaped.width);
1893 }
1894 block_text = Some(shaped);
1895 }
1896 }
1897
1898 let x = cursor_character_x - scroll_pixel_position.x.into();
1899 let y = ((cursor_position.row().as_f64() - scroll_position.y)
1900 * ScrollPixelOffset::from(line_height))
1901 .into();
1902 if selection.is_newest {
1903 editor.pixel_position_of_newest_cursor = Some(point(
1904 text_hitbox.origin.x + x + block_width / 2.,
1905 text_hitbox.origin.y + y + line_height / 2.,
1906 ));
1907
1908 if autoscroll_containing_element {
1909 let top = text_hitbox.origin.y
1910 + ((cursor_position.row().as_f64() - scroll_position.y - 3.)
1911 .max(0.)
1912 * ScrollPixelOffset::from(line_height))
1913 .into();
1914 let left = text_hitbox.origin.x
1915 + ((cursor_position.column() as ScrollOffset
1916 - scroll_position.x
1917 - 3.)
1918 .max(0.)
1919 * ScrollPixelOffset::from(em_width))
1920 .into();
1921
1922 let bottom = text_hitbox.origin.y
1923 + ((cursor_position.row().as_f64() - scroll_position.y + 4.)
1924 * ScrollPixelOffset::from(line_height))
1925 .into();
1926 let right = text_hitbox.origin.x
1927 + ((cursor_position.column() as ScrollOffset - scroll_position.x
1928 + 4.)
1929 * ScrollPixelOffset::from(em_width))
1930 .into();
1931
1932 autoscroll_bounds =
1933 Some(Bounds::from_corners(point(left, top), point(right, bottom)))
1934 }
1935 }
1936
1937 let mut cursor = CursorLayout {
1938 color: player_color.cursor,
1939 block_width,
1940 origin: point(x, y),
1941 line_height,
1942 shape: selection.cursor_shape,
1943 block_text,
1944 cursor_name: None,
1945 };
1946 let cursor_name = selection.user_name.clone().map(|name| CursorName {
1947 string: name,
1948 color: self.style.background,
1949 is_top_row: cursor_position.row().0 == 0,
1950 });
1951 cursor.layout(content_origin, cursor_name, window, cx);
1952 cursors.push(cursor);
1953 }
1954 }
1955
1956 cursors
1957 });
1958
1959 if let Some(bounds) = autoscroll_bounds {
1960 window.request_autoscroll(bounds);
1961 }
1962
1963 cursor_layouts
1964 }
1965
1966 fn layout_scrollbars(
1967 &self,
1968 snapshot: &EditorSnapshot,
1969 scrollbar_layout_information: &ScrollbarLayoutInformation,
1970 content_offset: gpui::Point<Pixels>,
1971 scroll_position: gpui::Point<ScrollOffset>,
1972 non_visible_cursors: bool,
1973 right_margin: Pixels,
1974 editor_width: Pixels,
1975 window: &mut Window,
1976 cx: &mut App,
1977 ) -> Option<EditorScrollbars> {
1978 let show_scrollbars = self.editor.read(cx).show_scrollbars;
1979 if (!show_scrollbars.horizontal && !show_scrollbars.vertical)
1980 || self.style.scrollbar_width.is_zero()
1981 {
1982 return None;
1983 }
1984
1985 // If a drag took place after we started dragging the scrollbar,
1986 // cancel the scrollbar drag.
1987 if cx.has_active_drag() {
1988 self.editor.update(cx, |editor, cx| {
1989 editor.scroll_manager.reset_scrollbar_state(cx)
1990 });
1991 }
1992
1993 let editor_settings = EditorSettings::get_global(cx);
1994 let scrollbar_settings = editor_settings.scrollbar;
1995 let show_scrollbars = match scrollbar_settings.show {
1996 ShowScrollbar::Auto => {
1997 let editor = self.editor.read(cx);
1998 let is_singleton = editor.buffer_kind(cx) == ItemBufferKind::Singleton;
1999 // Git
2000 (is_singleton && scrollbar_settings.git_diff && snapshot.buffer_snapshot().has_diff_hunks())
2001 ||
2002 // Buffer Search Results
2003 (is_singleton && scrollbar_settings.search_results && editor.has_background_highlights(HighlightKey::BufferSearchHighlights))
2004 ||
2005 // Selected Text Occurrences
2006 (is_singleton && scrollbar_settings.selected_text && editor.has_background_highlights(HighlightKey::SelectedTextHighlight))
2007 ||
2008 // Selected Symbol Occurrences
2009 (is_singleton && scrollbar_settings.selected_symbol && (editor.has_background_highlights(HighlightKey::DocumentHighlightRead) || editor.has_background_highlights(HighlightKey::DocumentHighlightWrite)))
2010 ||
2011 // Diagnostics
2012 (is_singleton && scrollbar_settings.diagnostics != ScrollbarDiagnostics::None && snapshot.buffer_snapshot().has_diagnostics())
2013 ||
2014 // Cursors out of sight
2015 non_visible_cursors
2016 ||
2017 // Scrollmanager
2018 editor.scroll_manager.scrollbars_visible()
2019 }
2020 ShowScrollbar::System => self.editor.read(cx).scroll_manager.scrollbars_visible(),
2021 ShowScrollbar::Always => true,
2022 ShowScrollbar::Never => return None,
2023 };
2024
2025 // The horizontal scrollbar is usually slightly offset to align nicely with
2026 // indent guides. However, this offset is not needed if indent guides are
2027 // disabled for the current editor.
2028 let content_offset = self
2029 .editor
2030 .read(cx)
2031 .show_indent_guides
2032 .is_none_or(|should_show| should_show)
2033 .then_some(content_offset)
2034 .unwrap_or_default();
2035
2036 Some(EditorScrollbars::from_scrollbar_axes(
2037 ScrollbarAxes {
2038 horizontal: scrollbar_settings.axes.horizontal
2039 && self.editor.read(cx).show_scrollbars.horizontal,
2040 vertical: scrollbar_settings.axes.vertical
2041 && self.editor.read(cx).show_scrollbars.vertical,
2042 },
2043 scrollbar_layout_information,
2044 content_offset,
2045 scroll_position,
2046 self.style.scrollbar_width,
2047 right_margin,
2048 editor_width,
2049 show_scrollbars,
2050 self.editor.read(cx).scroll_manager.active_scrollbar_state(),
2051 window,
2052 ))
2053 }
2054
2055 fn layout_minimap(
2056 &self,
2057 snapshot: &EditorSnapshot,
2058 minimap_width: Pixels,
2059 scroll_position: gpui::Point<f64>,
2060 scrollbar_layout_information: &ScrollbarLayoutInformation,
2061 scrollbar_layout: Option<&EditorScrollbars>,
2062 window: &mut Window,
2063 cx: &mut App,
2064 ) -> Option<MinimapLayout> {
2065 let minimap_editor = self.editor.read(cx).minimap().cloned()?;
2066
2067 let minimap_settings = EditorSettings::get_global(cx).minimap;
2068
2069 if minimap_settings.on_active_editor() {
2070 let active_editor = self.editor.read(cx).workspace().and_then(|ws| {
2071 ws.read(cx)
2072 .active_pane()
2073 .read(cx)
2074 .active_item()
2075 .and_then(|i| i.act_as::<Editor>(cx))
2076 });
2077 if active_editor.is_some_and(|e| e != self.editor) {
2078 return None;
2079 }
2080 }
2081
2082 if !snapshot.mode.is_full()
2083 || minimap_width.is_zero()
2084 || matches!(
2085 minimap_settings.show,
2086 ShowMinimap::Auto if scrollbar_layout.is_none_or(|layout| !layout.visible)
2087 )
2088 {
2089 return None;
2090 }
2091
2092 const MINIMAP_AXIS: ScrollbarAxis = ScrollbarAxis::Vertical;
2093
2094 let ScrollbarLayoutInformation {
2095 editor_bounds,
2096 scroll_range,
2097 glyph_grid_cell,
2098 } = scrollbar_layout_information;
2099
2100 let line_height = glyph_grid_cell.height;
2101 let scroll_position = scroll_position.along(MINIMAP_AXIS);
2102
2103 let top_right_anchor = scrollbar_layout
2104 .and_then(|layout| layout.vertical.as_ref())
2105 .map(|vertical_scrollbar| vertical_scrollbar.hitbox.origin)
2106 .unwrap_or_else(|| editor_bounds.top_right());
2107
2108 let thumb_state = self
2109 .editor
2110 .read_with(cx, |editor, _| editor.scroll_manager.minimap_thumb_state());
2111
2112 let show_thumb = match minimap_settings.thumb {
2113 MinimapThumb::Always => true,
2114 MinimapThumb::Hover => thumb_state.is_some(),
2115 };
2116
2117 let minimap_bounds = Bounds::from_corner_and_size(
2118 Corner::TopRight,
2119 top_right_anchor,
2120 size(minimap_width, editor_bounds.size.height),
2121 );
2122 let minimap_line_height = self.get_minimap_line_height(
2123 minimap_editor
2124 .read(cx)
2125 .text_style_refinement
2126 .as_ref()
2127 .and_then(|refinement| refinement.font_size)
2128 .unwrap_or(MINIMAP_FONT_SIZE),
2129 window,
2130 cx,
2131 );
2132 let minimap_height = minimap_bounds.size.height;
2133
2134 let visible_editor_lines = (editor_bounds.size.height / line_height) as f64;
2135 let total_editor_lines = (scroll_range.height / line_height) as f64;
2136 let minimap_lines = (minimap_height / minimap_line_height) as f64;
2137
2138 let minimap_scroll_top = MinimapLayout::calculate_minimap_top_offset(
2139 total_editor_lines,
2140 visible_editor_lines,
2141 minimap_lines,
2142 scroll_position,
2143 );
2144
2145 let layout = ScrollbarLayout::for_minimap(
2146 window.insert_hitbox(minimap_bounds, HitboxBehavior::Normal),
2147 visible_editor_lines,
2148 total_editor_lines,
2149 minimap_line_height,
2150 scroll_position,
2151 minimap_scroll_top,
2152 show_thumb,
2153 )
2154 .with_thumb_state(thumb_state);
2155
2156 minimap_editor.update(cx, |editor, cx| {
2157 editor.set_scroll_position(point(0., minimap_scroll_top), window, cx)
2158 });
2159
2160 // Required for the drop shadow to be visible
2161 const PADDING_OFFSET: Pixels = px(4.);
2162
2163 let mut minimap = div()
2164 .size_full()
2165 .shadow_xs()
2166 .px(PADDING_OFFSET)
2167 .child(minimap_editor)
2168 .into_any_element();
2169
2170 let extended_bounds = minimap_bounds.extend(Edges {
2171 right: PADDING_OFFSET,
2172 left: PADDING_OFFSET,
2173 ..Default::default()
2174 });
2175 minimap.layout_as_root(extended_bounds.size.into(), window, cx);
2176 window.with_absolute_element_offset(extended_bounds.origin, |window| {
2177 minimap.prepaint(window, cx)
2178 });
2179
2180 Some(MinimapLayout {
2181 minimap,
2182 thumb_layout: layout,
2183 thumb_border_style: minimap_settings.thumb_border,
2184 minimap_line_height,
2185 minimap_scroll_top,
2186 max_scroll_top: total_editor_lines,
2187 })
2188 }
2189
2190 fn get_minimap_line_height(
2191 &self,
2192 font_size: AbsoluteLength,
2193 window: &mut Window,
2194 cx: &mut App,
2195 ) -> Pixels {
2196 let rem_size = self.rem_size(cx).unwrap_or(window.rem_size());
2197 let mut text_style = self.style.text.clone();
2198 text_style.font_size = font_size;
2199 text_style.line_height_in_pixels(rem_size)
2200 }
2201
2202 fn get_minimap_width(
2203 &self,
2204 minimap_settings: &Minimap,
2205 scrollbars_shown: bool,
2206 text_width: Pixels,
2207 em_width: Pixels,
2208 font_size: Pixels,
2209 rem_size: Pixels,
2210 cx: &App,
2211 ) -> Option<Pixels> {
2212 if minimap_settings.show == ShowMinimap::Auto && !scrollbars_shown {
2213 return None;
2214 }
2215
2216 let minimap_font_size = self.editor.read_with(cx, |editor, cx| {
2217 editor.minimap().map(|minimap_editor| {
2218 minimap_editor
2219 .read(cx)
2220 .text_style_refinement
2221 .as_ref()
2222 .and_then(|refinement| refinement.font_size)
2223 .unwrap_or(MINIMAP_FONT_SIZE)
2224 })
2225 })?;
2226
2227 let minimap_em_width = em_width * (minimap_font_size.to_pixels(rem_size) / font_size);
2228
2229 let minimap_width = (text_width * MinimapLayout::MINIMAP_WIDTH_PCT)
2230 .min(minimap_em_width * minimap_settings.max_width_columns.get() as f32);
2231
2232 (minimap_width >= minimap_em_width * MinimapLayout::MINIMAP_MIN_WIDTH_COLUMNS)
2233 .then_some(minimap_width)
2234 }
2235
2236 fn prepaint_crease_toggles(
2237 &self,
2238 crease_toggles: &mut [Option<AnyElement>],
2239 line_height: Pixels,
2240 gutter_dimensions: &GutterDimensions,
2241 gutter_settings: crate::editor_settings::Gutter,
2242 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2243 gutter_hitbox: &Hitbox,
2244 window: &mut Window,
2245 cx: &mut App,
2246 ) {
2247 for (ix, crease_toggle) in crease_toggles.iter_mut().enumerate() {
2248 if let Some(crease_toggle) = crease_toggle {
2249 debug_assert!(gutter_settings.folds);
2250 let available_space = size(
2251 AvailableSpace::MinContent,
2252 AvailableSpace::Definite(line_height * 0.55),
2253 );
2254 let crease_toggle_size = crease_toggle.layout_as_root(available_space, window, cx);
2255
2256 let position = point(
2257 gutter_dimensions.width - gutter_dimensions.right_padding,
2258 ix as f32 * line_height
2259 - (scroll_pixel_position.y % ScrollPixelOffset::from(line_height)).into(),
2260 );
2261 let centering_offset = point(
2262 (gutter_dimensions.fold_area_width() - crease_toggle_size.width) / 2.,
2263 (line_height - crease_toggle_size.height) / 2.,
2264 );
2265 let origin = gutter_hitbox.origin + position + centering_offset;
2266 crease_toggle.prepaint_as_root(origin, available_space, window, cx);
2267 }
2268 }
2269 }
2270
2271 fn prepaint_expand_toggles(
2272 &self,
2273 expand_toggles: &mut [Option<(AnyElement, gpui::Point<Pixels>)>],
2274 window: &mut Window,
2275 cx: &mut App,
2276 ) {
2277 for (expand_toggle, origin) in expand_toggles.iter_mut().flatten() {
2278 let available_space = size(AvailableSpace::MinContent, AvailableSpace::MinContent);
2279 expand_toggle.layout_as_root(available_space, window, cx);
2280 expand_toggle.prepaint_as_root(*origin, available_space, window, cx);
2281 }
2282 }
2283
2284 fn prepaint_crease_trailers(
2285 &self,
2286 trailers: Vec<Option<AnyElement>>,
2287 lines: &[LineWithInvisibles],
2288 line_height: Pixels,
2289 content_origin: gpui::Point<Pixels>,
2290 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2291 em_width: Pixels,
2292 window: &mut Window,
2293 cx: &mut App,
2294 ) -> Vec<Option<CreaseTrailerLayout>> {
2295 trailers
2296 .into_iter()
2297 .enumerate()
2298 .map(|(ix, element)| {
2299 let mut element = element?;
2300 let available_space = size(
2301 AvailableSpace::MinContent,
2302 AvailableSpace::Definite(line_height),
2303 );
2304 let size = element.layout_as_root(available_space, window, cx);
2305
2306 let line = &lines[ix];
2307 let padding = if line.width == Pixels::ZERO {
2308 Pixels::ZERO
2309 } else {
2310 4. * em_width
2311 };
2312 let position = point(
2313 Pixels::from(scroll_pixel_position.x) + line.width + padding,
2314 ix as f32 * line_height
2315 - (scroll_pixel_position.y % ScrollPixelOffset::from(line_height)).into(),
2316 );
2317 let centering_offset = point(px(0.), (line_height - size.height) / 2.);
2318 let origin = content_origin + position + centering_offset;
2319 element.prepaint_as_root(origin, available_space, window, cx);
2320 Some(CreaseTrailerLayout {
2321 element,
2322 bounds: Bounds::new(origin, size),
2323 })
2324 })
2325 .collect()
2326 }
2327
2328 // Folds contained in a hunk are ignored apart from shrinking visual size
2329 // If a fold contains any hunks then that fold line is marked as modified
2330 fn layout_gutter_diff_hunks(
2331 &self,
2332 line_height: Pixels,
2333 gutter_hitbox: &Hitbox,
2334 display_rows: Range<DisplayRow>,
2335 snapshot: &EditorSnapshot,
2336 window: &mut Window,
2337 cx: &mut App,
2338 ) -> Vec<(DisplayDiffHunk, Option<Hitbox>)> {
2339 let folded_buffers = self.editor.read(cx).folded_buffers(cx);
2340 let mut display_hunks = snapshot
2341 .display_diff_hunks_for_rows(display_rows, folded_buffers)
2342 .map(|hunk| (hunk, None))
2343 .collect::<Vec<_>>();
2344 let git_gutter_setting = ProjectSettings::get_global(cx).git.git_gutter;
2345 if let GitGutterSetting::TrackedFiles = git_gutter_setting {
2346 for (hunk, hitbox) in &mut display_hunks {
2347 if matches!(hunk, DisplayDiffHunk::Unfolded { .. }) {
2348 let hunk_bounds =
2349 Self::diff_hunk_bounds(snapshot, line_height, gutter_hitbox.bounds, hunk);
2350 *hitbox = Some(window.insert_hitbox(hunk_bounds, HitboxBehavior::BlockMouse));
2351 }
2352 }
2353 }
2354
2355 display_hunks
2356 }
2357
2358 fn layout_inline_diagnostics(
2359 &self,
2360 line_layouts: &[LineWithInvisibles],
2361 crease_trailers: &[Option<CreaseTrailerLayout>],
2362 row_block_types: &HashMap<DisplayRow, bool>,
2363 content_origin: gpui::Point<Pixels>,
2364 scroll_position: gpui::Point<ScrollOffset>,
2365 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2366 edit_prediction_popover_origin: Option<gpui::Point<Pixels>>,
2367 start_row: DisplayRow,
2368 end_row: DisplayRow,
2369 line_height: Pixels,
2370 em_width: Pixels,
2371 style: &EditorStyle,
2372 window: &mut Window,
2373 cx: &mut App,
2374 ) -> HashMap<DisplayRow, AnyElement> {
2375 let max_severity = match self
2376 .editor
2377 .read(cx)
2378 .inline_diagnostics_enabled()
2379 .then(|| {
2380 ProjectSettings::get_global(cx)
2381 .diagnostics
2382 .inline
2383 .max_severity
2384 .unwrap_or_else(|| self.editor.read(cx).diagnostics_max_severity)
2385 .into_lsp()
2386 })
2387 .flatten()
2388 {
2389 Some(max_severity) => max_severity,
2390 None => return HashMap::default(),
2391 };
2392
2393 let active_diagnostics_group =
2394 if let ActiveDiagnostic::Group(group) = &self.editor.read(cx).active_diagnostics {
2395 Some(group.group_id)
2396 } else {
2397 None
2398 };
2399
2400 let diagnostics_by_rows = self.editor.update(cx, |editor, cx| {
2401 let snapshot = editor.snapshot(window, cx);
2402 editor
2403 .inline_diagnostics
2404 .iter()
2405 .filter(|(_, diagnostic)| diagnostic.severity <= max_severity)
2406 .filter(|(_, diagnostic)| match active_diagnostics_group {
2407 Some(active_diagnostics_group) => {
2408 // Active diagnostics are all shown in the editor already, no need to display them inline
2409 diagnostic.group_id != active_diagnostics_group
2410 }
2411 None => true,
2412 })
2413 .map(|(point, diag)| (point.to_display_point(&snapshot), diag.clone()))
2414 .skip_while(|(point, _)| point.row() < start_row)
2415 .take_while(|(point, _)| point.row() < end_row)
2416 .filter(|(point, _)| !row_block_types.contains_key(&point.row()))
2417 .fold(HashMap::default(), |mut acc, (point, diagnostic)| {
2418 acc.entry(point.row())
2419 .or_insert_with(Vec::new)
2420 .push(diagnostic);
2421 acc
2422 })
2423 });
2424
2425 if diagnostics_by_rows.is_empty() {
2426 return HashMap::default();
2427 }
2428
2429 let severity_to_color = |sev: &lsp::DiagnosticSeverity| match sev {
2430 &lsp::DiagnosticSeverity::ERROR => Color::Error,
2431 &lsp::DiagnosticSeverity::WARNING => Color::Warning,
2432 &lsp::DiagnosticSeverity::INFORMATION => Color::Info,
2433 &lsp::DiagnosticSeverity::HINT => Color::Hint,
2434 _ => Color::Error,
2435 };
2436
2437 let padding = ProjectSettings::get_global(cx).diagnostics.inline.padding as f32 * em_width;
2438 let min_x = column_pixels(
2439 &self.style,
2440 ProjectSettings::get_global(cx)
2441 .diagnostics
2442 .inline
2443 .min_column as usize,
2444 window,
2445 );
2446
2447 let mut elements = HashMap::default();
2448 for (row, mut diagnostics) in diagnostics_by_rows {
2449 diagnostics.sort_by_key(|diagnostic| {
2450 (
2451 diagnostic.severity,
2452 std::cmp::Reverse(diagnostic.is_primary),
2453 diagnostic.start.row,
2454 diagnostic.start.column,
2455 )
2456 });
2457
2458 let Some(diagnostic_to_render) = diagnostics
2459 .iter()
2460 .find(|diagnostic| diagnostic.is_primary)
2461 .or_else(|| diagnostics.first())
2462 else {
2463 continue;
2464 };
2465
2466 let pos_y = content_origin.y + line_height * (row.0 as f64 - scroll_position.y) as f32;
2467
2468 let window_ix = row.0.saturating_sub(start_row.0) as usize;
2469 let pos_x = {
2470 let crease_trailer_layout = &crease_trailers[window_ix];
2471 let line_layout = &line_layouts[window_ix];
2472
2473 let line_end = if let Some(crease_trailer) = crease_trailer_layout {
2474 crease_trailer.bounds.right()
2475 } else {
2476 Pixels::from(
2477 ScrollPixelOffset::from(content_origin.x + line_layout.width)
2478 - scroll_pixel_position.x,
2479 )
2480 };
2481
2482 let padded_line = line_end + padding;
2483 let min_start = Pixels::from(
2484 ScrollPixelOffset::from(content_origin.x + min_x) - scroll_pixel_position.x,
2485 );
2486
2487 cmp::max(padded_line, min_start)
2488 };
2489
2490 let behind_edit_prediction_popover = edit_prediction_popover_origin
2491 .as_ref()
2492 .is_some_and(|edit_prediction_popover_origin| {
2493 (pos_y..pos_y + line_height).contains(&edit_prediction_popover_origin.y)
2494 });
2495 let opacity = if behind_edit_prediction_popover {
2496 0.5
2497 } else {
2498 1.0
2499 };
2500
2501 let mut element = h_flex()
2502 .id(("diagnostic", row.0))
2503 .h(line_height)
2504 .w_full()
2505 .px_1()
2506 .rounded_xs()
2507 .opacity(opacity)
2508 .bg(severity_to_color(&diagnostic_to_render.severity)
2509 .color(cx)
2510 .opacity(0.05))
2511 .text_color(severity_to_color(&diagnostic_to_render.severity).color(cx))
2512 .text_sm()
2513 .font(style.text.font())
2514 .child(diagnostic_to_render.message.clone())
2515 .into_any();
2516
2517 element.prepaint_as_root(point(pos_x, pos_y), AvailableSpace::min_size(), window, cx);
2518
2519 elements.insert(row, element);
2520 }
2521
2522 elements
2523 }
2524
2525 fn layout_inline_code_actions(
2526 &self,
2527 display_point: DisplayPoint,
2528 content_origin: gpui::Point<Pixels>,
2529 scroll_position: gpui::Point<ScrollOffset>,
2530 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2531 line_height: Pixels,
2532 snapshot: &EditorSnapshot,
2533 window: &mut Window,
2534 cx: &mut App,
2535 ) -> Option<AnyElement> {
2536 // Don't show code actions in split diff view
2537 if self.split_side.is_some() {
2538 return None;
2539 }
2540
2541 if !snapshot
2542 .show_code_actions
2543 .unwrap_or(EditorSettings::get_global(cx).inline_code_actions)
2544 {
2545 return None;
2546 }
2547
2548 let icon_size = ui::IconSize::XSmall;
2549 let mut button = self.editor.update(cx, |editor, cx| {
2550 editor.available_code_actions.as_ref()?;
2551 let active = editor
2552 .context_menu
2553 .borrow()
2554 .as_ref()
2555 .and_then(|menu| {
2556 if let crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2557 deployed_from,
2558 ..
2559 }) = menu
2560 {
2561 deployed_from.as_ref()
2562 } else {
2563 None
2564 }
2565 })
2566 .is_some_and(|source| matches!(source, CodeActionSource::Indicator(..)));
2567 Some(editor.render_inline_code_actions(icon_size, display_point.row(), active, cx))
2568 })?;
2569
2570 let buffer_point = display_point.to_point(&snapshot.display_snapshot);
2571
2572 // do not show code action for folded line
2573 if snapshot.is_line_folded(MultiBufferRow(buffer_point.row)) {
2574 return None;
2575 }
2576
2577 // do not show code action for blank line with cursor
2578 let line_indent = snapshot
2579 .display_snapshot
2580 .buffer_snapshot()
2581 .line_indent_for_row(MultiBufferRow(buffer_point.row));
2582 if line_indent.is_line_blank() {
2583 return None;
2584 }
2585
2586 const INLINE_SLOT_CHAR_LIMIT: u32 = 4;
2587 const MAX_ALTERNATE_DISTANCE: u32 = 8;
2588
2589 let excerpt_id = snapshot
2590 .display_snapshot
2591 .buffer_snapshot()
2592 .excerpt_containing(buffer_point..buffer_point)
2593 .map(|excerpt| excerpt.id());
2594
2595 let is_valid_row = |row_candidate: u32| -> bool {
2596 // move to other row if folded row
2597 if snapshot.is_line_folded(MultiBufferRow(row_candidate)) {
2598 return false;
2599 }
2600 if buffer_point.row == row_candidate {
2601 // move to other row if cursor is in slot
2602 if buffer_point.column < INLINE_SLOT_CHAR_LIMIT {
2603 return false;
2604 }
2605 } else {
2606 let candidate_point = MultiBufferPoint {
2607 row: row_candidate,
2608 column: 0,
2609 };
2610 let candidate_excerpt_id = snapshot
2611 .display_snapshot
2612 .buffer_snapshot()
2613 .excerpt_containing(candidate_point..candidate_point)
2614 .map(|excerpt| excerpt.id());
2615 // move to other row if different excerpt
2616 if excerpt_id != candidate_excerpt_id {
2617 return false;
2618 }
2619 }
2620 let line_indent = snapshot
2621 .display_snapshot
2622 .buffer_snapshot()
2623 .line_indent_for_row(MultiBufferRow(row_candidate));
2624 // use this row if it's blank
2625 if line_indent.is_line_blank() {
2626 true
2627 } else {
2628 // use this row if code starts after slot
2629 let indent_size = snapshot
2630 .display_snapshot
2631 .buffer_snapshot()
2632 .indent_size_for_line(MultiBufferRow(row_candidate));
2633 indent_size.len >= INLINE_SLOT_CHAR_LIMIT
2634 }
2635 };
2636
2637 let new_buffer_row = if is_valid_row(buffer_point.row) {
2638 Some(buffer_point.row)
2639 } else {
2640 let max_row = snapshot.display_snapshot.buffer_snapshot().max_point().row;
2641 (1..=MAX_ALTERNATE_DISTANCE).find_map(|offset| {
2642 let row_above = buffer_point.row.saturating_sub(offset);
2643 let row_below = buffer_point.row + offset;
2644 if row_above != buffer_point.row && is_valid_row(row_above) {
2645 Some(row_above)
2646 } else if row_below <= max_row && is_valid_row(row_below) {
2647 Some(row_below)
2648 } else {
2649 None
2650 }
2651 })
2652 }?;
2653
2654 let new_display_row = snapshot
2655 .display_snapshot
2656 .point_to_display_point(
2657 Point {
2658 row: new_buffer_row,
2659 column: buffer_point.column,
2660 },
2661 text::Bias::Left,
2662 )
2663 .row();
2664
2665 let start_y = content_origin.y
2666 + (((new_display_row.as_f64() - scroll_position.y) as f32) * line_height)
2667 + (line_height / 2.0)
2668 - (icon_size.square(window, cx) / 2.);
2669 let start_x = (ScrollPixelOffset::from(content_origin.x) - scroll_pixel_position.x
2670 + ScrollPixelOffset::from(window.rem_size() * 0.1))
2671 .into();
2672
2673 let absolute_offset = gpui::point(start_x, start_y);
2674 button.layout_as_root(gpui::AvailableSpace::min_size(), window, cx);
2675 button.prepaint_as_root(
2676 absolute_offset,
2677 gpui::AvailableSpace::min_size(),
2678 window,
2679 cx,
2680 );
2681 Some(button)
2682 }
2683
2684 fn layout_inline_blame(
2685 &self,
2686 display_row: DisplayRow,
2687 row_info: &RowInfo,
2688 line_layout: &LineWithInvisibles,
2689 crease_trailer: Option<&CreaseTrailerLayout>,
2690 em_width: Pixels,
2691 content_origin: gpui::Point<Pixels>,
2692 scroll_position: gpui::Point<ScrollOffset>,
2693 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2694 line_height: Pixels,
2695 window: &mut Window,
2696 cx: &mut App,
2697 ) -> Option<InlineBlameLayout> {
2698 if !self
2699 .editor
2700 .update(cx, |editor, cx| editor.render_git_blame_inline(window, cx))
2701 {
2702 return None;
2703 }
2704
2705 let editor = self.editor.read(cx);
2706 let blame = editor.blame.clone()?;
2707 let padding = {
2708 const INLINE_ACCEPT_SUGGESTION_EM_WIDTHS: f32 = 14.;
2709
2710 let mut padding = ProjectSettings::get_global(cx).git.inline_blame.padding as f32;
2711
2712 if let Some(edit_prediction) = editor.active_edit_prediction.as_ref()
2713 && let EditPrediction::Edit {
2714 display_mode: EditDisplayMode::TabAccept,
2715 ..
2716 } = &edit_prediction.completion
2717 {
2718 padding += INLINE_ACCEPT_SUGGESTION_EM_WIDTHS
2719 }
2720
2721 padding * em_width
2722 };
2723
2724 let (buffer_id, entry) = blame
2725 .update(cx, |blame, cx| {
2726 blame.blame_for_rows(&[*row_info], cx).next()
2727 })
2728 .flatten()?;
2729
2730 let mut element = render_inline_blame_entry(entry.clone(), &self.style, cx)?;
2731
2732 let start_y =
2733 content_origin.y + line_height * ((display_row.as_f64() - scroll_position.y) as f32);
2734
2735 let start_x = {
2736 let line_end = if let Some(crease_trailer) = crease_trailer {
2737 crease_trailer.bounds.right()
2738 } else {
2739 Pixels::from(
2740 ScrollPixelOffset::from(content_origin.x + line_layout.width)
2741 - scroll_pixel_position.x,
2742 )
2743 };
2744
2745 let padded_line_end = line_end + padding;
2746
2747 let min_column_in_pixels = column_pixels(
2748 &self.style,
2749 ProjectSettings::get_global(cx).git.inline_blame.min_column as usize,
2750 window,
2751 );
2752 let min_start = Pixels::from(
2753 ScrollPixelOffset::from(content_origin.x + min_column_in_pixels)
2754 - scroll_pixel_position.x,
2755 );
2756
2757 cmp::max(padded_line_end, min_start)
2758 };
2759
2760 let absolute_offset = point(start_x, start_y);
2761 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2762 let bounds = Bounds::new(absolute_offset, size);
2763
2764 element.prepaint_as_root(absolute_offset, AvailableSpace::min_size(), window, cx);
2765
2766 Some(InlineBlameLayout {
2767 element,
2768 bounds,
2769 buffer_id,
2770 entry,
2771 })
2772 }
2773
2774 fn layout_blame_popover(
2775 &self,
2776 editor_snapshot: &EditorSnapshot,
2777 text_hitbox: &Hitbox,
2778 line_height: Pixels,
2779 window: &mut Window,
2780 cx: &mut App,
2781 ) {
2782 if !self.editor.read(cx).inline_blame_popover.is_some() {
2783 return;
2784 }
2785
2786 let Some(blame) = self.editor.read(cx).blame.clone() else {
2787 return;
2788 };
2789 let cursor_point = self
2790 .editor
2791 .read(cx)
2792 .selections
2793 .newest::<language::Point>(&editor_snapshot.display_snapshot)
2794 .head();
2795
2796 let Some((buffer, buffer_point, _)) = editor_snapshot
2797 .buffer_snapshot()
2798 .point_to_buffer_point(cursor_point)
2799 else {
2800 return;
2801 };
2802
2803 let row_info = RowInfo {
2804 buffer_id: Some(buffer.remote_id()),
2805 buffer_row: Some(buffer_point.row),
2806 ..Default::default()
2807 };
2808
2809 let Some((buffer_id, blame_entry)) = blame
2810 .update(cx, |blame, cx| blame.blame_for_rows(&[row_info], cx).next())
2811 .flatten()
2812 else {
2813 return;
2814 };
2815
2816 let Some((popover_state, target_point)) = self.editor.read_with(cx, |editor, _| {
2817 editor
2818 .inline_blame_popover
2819 .as_ref()
2820 .map(|state| (state.popover_state.clone(), state.position))
2821 }) else {
2822 return;
2823 };
2824
2825 let workspace = self
2826 .editor
2827 .read_with(cx, |editor, _| editor.workspace().map(|w| w.downgrade()));
2828
2829 let maybe_element = workspace.and_then(|workspace| {
2830 render_blame_entry_popover(
2831 blame_entry,
2832 popover_state.scroll_handle,
2833 popover_state.commit_message,
2834 popover_state.markdown,
2835 workspace,
2836 &blame,
2837 buffer_id,
2838 window,
2839 cx,
2840 )
2841 });
2842
2843 if let Some(mut element) = maybe_element {
2844 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2845 let overall_height = size.height + HOVER_POPOVER_GAP;
2846 let popover_origin = if target_point.y > overall_height {
2847 point(target_point.x, target_point.y - size.height)
2848 } else {
2849 point(
2850 target_point.x,
2851 target_point.y + line_height + HOVER_POPOVER_GAP,
2852 )
2853 };
2854
2855 let horizontal_offset = (text_hitbox.top_right().x
2856 - POPOVER_RIGHT_OFFSET
2857 - (popover_origin.x + size.width))
2858 .min(Pixels::ZERO);
2859
2860 let origin = point(popover_origin.x + horizontal_offset, popover_origin.y);
2861 let popover_bounds = Bounds::new(origin, size);
2862
2863 self.editor.update(cx, |editor, _| {
2864 if let Some(state) = &mut editor.inline_blame_popover {
2865 state.popover_bounds = Some(popover_bounds);
2866 }
2867 });
2868
2869 window.defer_draw(element, origin, 2, None);
2870 }
2871 }
2872
2873 fn layout_blame_entries(
2874 &self,
2875 buffer_rows: &[RowInfo],
2876 em_width: Pixels,
2877 scroll_position: gpui::Point<ScrollOffset>,
2878 line_height: Pixels,
2879 gutter_hitbox: &Hitbox,
2880 max_width: Option<Pixels>,
2881 window: &mut Window,
2882 cx: &mut App,
2883 ) -> Option<Vec<AnyElement>> {
2884 if !self
2885 .editor
2886 .update(cx, |editor, cx| editor.render_git_blame_gutter(cx))
2887 {
2888 return None;
2889 }
2890
2891 let blame = self.editor.read(cx).blame.clone()?;
2892 let workspace = self.editor.read(cx).workspace()?;
2893 let blamed_rows: Vec<_> = blame.update(cx, |blame, cx| {
2894 blame.blame_for_rows(buffer_rows, cx).collect()
2895 });
2896
2897 let width = if let Some(max_width) = max_width {
2898 AvailableSpace::Definite(max_width)
2899 } else {
2900 AvailableSpace::MaxContent
2901 };
2902 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
2903 let start_x = em_width;
2904
2905 let mut last_used_color: Option<(Hsla, Oid)> = None;
2906 let blame_renderer = cx.global::<GlobalBlameRenderer>().0.clone();
2907
2908 let shaped_lines = blamed_rows
2909 .into_iter()
2910 .enumerate()
2911 .flat_map(|(ix, blame_entry)| {
2912 let (buffer_id, blame_entry) = blame_entry?;
2913 let mut element = render_blame_entry(
2914 ix,
2915 &blame,
2916 blame_entry,
2917 &self.style,
2918 &mut last_used_color,
2919 self.editor.clone(),
2920 workspace.clone(),
2921 buffer_id,
2922 &*blame_renderer,
2923 window,
2924 cx,
2925 )?;
2926
2927 let start_y = ix as f32 * line_height
2928 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height));
2929 let absolute_offset = gutter_hitbox.origin + point(start_x, start_y);
2930
2931 element.prepaint_as_root(
2932 absolute_offset,
2933 size(width, AvailableSpace::MinContent),
2934 window,
2935 cx,
2936 );
2937
2938 Some(element)
2939 })
2940 .collect();
2941
2942 Some(shaped_lines)
2943 }
2944
2945 fn layout_indent_guides(
2946 &self,
2947 content_origin: gpui::Point<Pixels>,
2948 text_origin: gpui::Point<Pixels>,
2949 visible_buffer_range: Range<MultiBufferRow>,
2950 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2951 line_height: Pixels,
2952 snapshot: &DisplaySnapshot,
2953 window: &mut Window,
2954 cx: &mut App,
2955 ) -> Option<Vec<IndentGuideLayout>> {
2956 let indent_guides = self.editor.update(cx, |editor, cx| {
2957 editor.indent_guides(visible_buffer_range, snapshot, cx)
2958 })?;
2959
2960 let active_indent_guide_indices = self.editor.update(cx, |editor, cx| {
2961 editor
2962 .find_active_indent_guide_indices(&indent_guides, snapshot, window, cx)
2963 .unwrap_or_default()
2964 });
2965
2966 Some(
2967 indent_guides
2968 .into_iter()
2969 .enumerate()
2970 .filter_map(|(i, indent_guide)| {
2971 let single_indent_width =
2972 column_pixels(&self.style, indent_guide.tab_size as usize, window);
2973 let total_width = single_indent_width * indent_guide.depth as f32;
2974 let start_x = Pixels::from(
2975 ScrollOffset::from(content_origin.x + total_width)
2976 - scroll_pixel_position.x,
2977 );
2978 if start_x >= text_origin.x {
2979 let (offset_y, length, display_row_range) =
2980 Self::calculate_indent_guide_bounds(
2981 indent_guide.start_row..indent_guide.end_row,
2982 line_height,
2983 snapshot,
2984 );
2985
2986 let start_y = Pixels::from(
2987 ScrollOffset::from(content_origin.y) + offset_y
2988 - scroll_pixel_position.y,
2989 );
2990
2991 Some(IndentGuideLayout {
2992 origin: point(start_x, start_y),
2993 length,
2994 single_indent_width,
2995 display_row_range,
2996 depth: indent_guide.depth,
2997 active: active_indent_guide_indices.contains(&i),
2998 settings: indent_guide.settings,
2999 })
3000 } else {
3001 None
3002 }
3003 })
3004 .collect(),
3005 )
3006 }
3007
3008 fn depth_zero_indent_guide_padding_for_row(
3009 indent_guides: &[IndentGuideLayout],
3010 row: DisplayRow,
3011 ) -> Pixels {
3012 indent_guides
3013 .iter()
3014 .find(|guide| guide.depth == 0 && guide.display_row_range.contains(&row))
3015 .and_then(|guide| {
3016 guide
3017 .settings
3018 .visible_line_width(guide.active)
3019 .map(|width| px(width as f32 * 2.0))
3020 })
3021 .unwrap_or(px(0.0))
3022 }
3023
3024 fn layout_wrap_guides(
3025 &self,
3026 em_advance: Pixels,
3027 scroll_position: gpui::Point<f64>,
3028 content_origin: gpui::Point<Pixels>,
3029 scrollbar_layout: Option<&EditorScrollbars>,
3030 vertical_scrollbar_width: Pixels,
3031 hitbox: &Hitbox,
3032 window: &Window,
3033 cx: &App,
3034 ) -> SmallVec<[(Pixels, bool); 2]> {
3035 let scroll_left = scroll_position.x as f32 * em_advance;
3036 let content_origin = content_origin.x;
3037 let horizontal_offset = content_origin - scroll_left;
3038 let vertical_scrollbar_width = scrollbar_layout
3039 .and_then(|layout| layout.visible.then_some(vertical_scrollbar_width))
3040 .unwrap_or_default();
3041
3042 self.editor
3043 .read(cx)
3044 .wrap_guides(cx)
3045 .into_iter()
3046 .flat_map(|(guide, active)| {
3047 let wrap_position = column_pixels(&self.style, guide, window);
3048 let wrap_guide_x = wrap_position + horizontal_offset;
3049 let display_wrap_guide = wrap_guide_x >= content_origin
3050 && wrap_guide_x <= hitbox.bounds.right() - vertical_scrollbar_width;
3051
3052 display_wrap_guide.then_some((wrap_guide_x, active))
3053 })
3054 .collect()
3055 }
3056
3057 fn calculate_indent_guide_bounds(
3058 row_range: Range<MultiBufferRow>,
3059 line_height: Pixels,
3060 snapshot: &DisplaySnapshot,
3061 ) -> (f64, gpui::Pixels, Range<DisplayRow>) {
3062 let start_point = Point::new(row_range.start.0, 0);
3063 let end_point = Point::new(row_range.end.0, 0);
3064
3065 let mut row_range = start_point.to_display_point(snapshot).row()
3066 ..end_point.to_display_point(snapshot).row();
3067
3068 let mut prev_line = start_point;
3069 prev_line.row = prev_line.row.saturating_sub(1);
3070 let prev_line = prev_line.to_display_point(snapshot).row();
3071
3072 let mut cons_line = end_point;
3073 cons_line.row += 1;
3074 let cons_line = cons_line.to_display_point(snapshot).row();
3075
3076 let mut offset_y = row_range.start.as_f64() * f64::from(line_height);
3077 let mut length = (cons_line.0.saturating_sub(row_range.start.0)) as f32 * line_height;
3078
3079 // If we are at the end of the buffer, ensure that the indent guide extends to the end of the line.
3080 if row_range.end == cons_line {
3081 length += line_height;
3082 }
3083
3084 // If there is a block (e.g. diagnostic) in between the start of the indent guide and the line above,
3085 // we want to extend the indent guide to the start of the block.
3086 let mut block_height = 0;
3087 let mut block_offset = 0;
3088 let mut found_excerpt_header = false;
3089 for (_, block) in snapshot.blocks_in_range(prev_line..row_range.start) {
3090 if matches!(
3091 block,
3092 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
3093 ) {
3094 found_excerpt_header = true;
3095 break;
3096 }
3097 block_offset += block.height();
3098 block_height += block.height();
3099 }
3100 if !found_excerpt_header {
3101 offset_y -= block_offset as f64 * f64::from(line_height);
3102 length += block_height as f32 * line_height;
3103 row_range = DisplayRow(row_range.start.0.saturating_sub(block_offset))..row_range.end;
3104 }
3105
3106 // If there is a block (e.g. diagnostic) at the end of an multibuffer excerpt,
3107 // we want to ensure that the indent guide stops before the excerpt header.
3108 let mut block_height = 0;
3109 let mut found_excerpt_header = false;
3110 for (_, block) in snapshot.blocks_in_range(row_range.end..cons_line) {
3111 if matches!(
3112 block,
3113 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
3114 ) {
3115 found_excerpt_header = true;
3116 }
3117 block_height += block.height();
3118 }
3119 if found_excerpt_header {
3120 length -= block_height as f32 * line_height;
3121 } else {
3122 row_range = row_range.start..cons_line;
3123 }
3124
3125 (offset_y, length, row_range)
3126 }
3127
3128 fn layout_breakpoints(
3129 &self,
3130 line_height: Pixels,
3131 range: Range<DisplayRow>,
3132 scroll_position: gpui::Point<ScrollOffset>,
3133 gutter_dimensions: &GutterDimensions,
3134 gutter_hitbox: &Hitbox,
3135 snapshot: &EditorSnapshot,
3136 breakpoints: HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
3137 row_infos: &[RowInfo],
3138 window: &mut Window,
3139 cx: &mut App,
3140 ) -> Vec<AnyElement> {
3141 if self.split_side == Some(SplitSide::Left) {
3142 return Vec::new();
3143 }
3144
3145 self.editor.update(cx, |editor, cx| {
3146 breakpoints
3147 .into_iter()
3148 .filter_map(|(display_row, (text_anchor, bp, state))| {
3149 if row_infos
3150 .get((display_row.0.saturating_sub(range.start.0)) as usize)
3151 .is_some_and(|row_info| {
3152 row_info.expand_info.is_some()
3153 || row_info
3154 .diff_status
3155 .is_some_and(|status| status.is_deleted())
3156 })
3157 {
3158 return None;
3159 }
3160
3161 if range.start > display_row || range.end < display_row {
3162 return None;
3163 }
3164
3165 let row =
3166 MultiBufferRow(DisplayPoint::new(display_row, 0).to_point(snapshot).row);
3167 if snapshot.is_line_folded(row) {
3168 return None;
3169 }
3170
3171 let button = editor.render_breakpoint(text_anchor, display_row, &bp, state, cx);
3172
3173 let button = prepaint_gutter_button(
3174 button.into_any_element(),
3175 display_row,
3176 line_height,
3177 gutter_dimensions,
3178 scroll_position,
3179 gutter_hitbox,
3180 window,
3181 cx,
3182 );
3183 Some(button)
3184 })
3185 .collect_vec()
3186 })
3187 }
3188
3189 fn should_render_diff_review_button(
3190 &self,
3191 range: Range<DisplayRow>,
3192 row_infos: &[RowInfo],
3193 snapshot: &EditorSnapshot,
3194 cx: &App,
3195 ) -> Option<(DisplayRow, Option<u32>)> {
3196 if !cx.has_flag::<DiffReviewFeatureFlag>() {
3197 return None;
3198 }
3199
3200 let show_diff_review_button = self.editor.read(cx).show_diff_review_button();
3201 if !show_diff_review_button {
3202 return None;
3203 }
3204
3205 let indicator = self.editor.read(cx).gutter_diff_review_indicator.0?;
3206 if !indicator.is_active {
3207 return None;
3208 }
3209
3210 let display_row = indicator
3211 .start
3212 .to_display_point(&snapshot.display_snapshot)
3213 .row();
3214 let row_index = (display_row.0.saturating_sub(range.start.0)) as usize;
3215
3216 let row_info = row_infos.get(row_index);
3217 if row_info.is_some_and(|row_info| row_info.expand_info.is_some()) {
3218 return None;
3219 }
3220
3221 let buffer_id = row_info.and_then(|info| info.buffer_id);
3222 if buffer_id.is_none() {
3223 return None;
3224 }
3225
3226 let editor = self.editor.read(cx);
3227 if buffer_id.is_some_and(|buffer_id| editor.is_buffer_folded(buffer_id, cx)) {
3228 return None;
3229 }
3230
3231 let buffer_row = row_info.and_then(|info| info.buffer_row);
3232 Some((display_row, buffer_row))
3233 }
3234
3235 #[allow(clippy::too_many_arguments)]
3236 fn layout_run_indicators(
3237 &self,
3238 line_height: Pixels,
3239 range: Range<DisplayRow>,
3240 row_infos: &[RowInfo],
3241 scroll_position: gpui::Point<ScrollOffset>,
3242 gutter_dimensions: &GutterDimensions,
3243 gutter_hitbox: &Hitbox,
3244 snapshot: &EditorSnapshot,
3245 breakpoints: &mut HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
3246 window: &mut Window,
3247 cx: &mut App,
3248 ) -> Vec<AnyElement> {
3249 if self.split_side == Some(SplitSide::Left) {
3250 return Vec::new();
3251 }
3252
3253 self.editor.update(cx, |editor, cx| {
3254 let active_task_indicator_row =
3255 // TODO: add edit button on the right side of each row in the context menu
3256 if let Some(crate::CodeContextMenu::CodeActions(CodeActionsMenu {
3257 deployed_from,
3258 actions,
3259 ..
3260 })) = editor.context_menu.borrow().as_ref()
3261 {
3262 actions
3263 .tasks()
3264 .map(|tasks| tasks.position.to_display_point(snapshot).row())
3265 .or_else(|| match deployed_from {
3266 Some(CodeActionSource::Indicator(row)) => Some(*row),
3267 _ => None,
3268 })
3269 } else {
3270 None
3271 };
3272
3273 let offset_range_start =
3274 snapshot.display_point_to_point(DisplayPoint::new(range.start, 0), Bias::Left);
3275
3276 let offset_range_end =
3277 snapshot.display_point_to_point(DisplayPoint::new(range.end, 0), Bias::Right);
3278
3279 editor
3280 .runnables
3281 .all_runnables()
3282 .filter_map(|tasks| {
3283 let multibuffer_point = tasks.offset.to_point(&snapshot.buffer_snapshot());
3284 if multibuffer_point < offset_range_start
3285 || multibuffer_point > offset_range_end
3286 {
3287 return None;
3288 }
3289 let multibuffer_row = MultiBufferRow(multibuffer_point.row);
3290 let buffer_folded = snapshot
3291 .buffer_snapshot()
3292 .buffer_line_for_row(multibuffer_row)
3293 .map(|(buffer_snapshot, _)| buffer_snapshot.remote_id())
3294 .map(|buffer_id| editor.is_buffer_folded(buffer_id, cx))
3295 .unwrap_or(false);
3296 if buffer_folded {
3297 return None;
3298 }
3299
3300 if snapshot.is_line_folded(multibuffer_row) {
3301 // Skip folded indicators, unless it's the starting line of a fold.
3302 if multibuffer_row
3303 .0
3304 .checked_sub(1)
3305 .is_some_and(|previous_row| {
3306 snapshot.is_line_folded(MultiBufferRow(previous_row))
3307 })
3308 {
3309 return None;
3310 }
3311 }
3312
3313 let display_row = multibuffer_point.to_display_point(snapshot).row();
3314 if !range.contains(&display_row) {
3315 return None;
3316 }
3317 if row_infos
3318 .get((display_row - range.start).0 as usize)
3319 .is_some_and(|row_info| row_info.expand_info.is_some())
3320 {
3321 return None;
3322 }
3323
3324 let removed_breakpoint = breakpoints.remove(&display_row);
3325 let button = editor.render_run_indicator(
3326 &self.style,
3327 Some(display_row) == active_task_indicator_row,
3328 display_row,
3329 removed_breakpoint,
3330 cx,
3331 );
3332
3333 let button = prepaint_gutter_button(
3334 button.into_any_element(),
3335 display_row,
3336 line_height,
3337 gutter_dimensions,
3338 scroll_position,
3339 gutter_hitbox,
3340 window,
3341 cx,
3342 );
3343 Some(button)
3344 })
3345 .collect_vec()
3346 })
3347 }
3348
3349 fn layout_expand_toggles(
3350 &self,
3351 gutter_hitbox: &Hitbox,
3352 gutter_dimensions: GutterDimensions,
3353 em_width: Pixels,
3354 line_height: Pixels,
3355 scroll_position: gpui::Point<ScrollOffset>,
3356 buffer_rows: &[RowInfo],
3357 window: &mut Window,
3358 cx: &mut App,
3359 ) -> Vec<Option<(AnyElement, gpui::Point<Pixels>)>> {
3360 if self.editor.read(cx).disable_expand_excerpt_buttons {
3361 return vec![];
3362 }
3363
3364 let editor_font_size = self.style.text.font_size.to_pixels(window.rem_size()) * 1.2;
3365
3366 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
3367
3368 let max_line_number_length = self
3369 .editor
3370 .read(cx)
3371 .buffer()
3372 .read(cx)
3373 .snapshot(cx)
3374 .widest_line_number()
3375 .ilog10()
3376 + 1;
3377
3378 let git_gutter_width = Self::gutter_strip_width(line_height)
3379 + gutter_dimensions
3380 .git_blame_entries_width
3381 .unwrap_or_default();
3382 let available_width = gutter_dimensions.left_padding - git_gutter_width;
3383
3384 buffer_rows
3385 .iter()
3386 .enumerate()
3387 .map(|(ix, row_info)| {
3388 let ExpandInfo {
3389 excerpt_id,
3390 direction,
3391 } = row_info.expand_info?;
3392
3393 let icon_name = match direction {
3394 ExpandExcerptDirection::Up => IconName::ExpandUp,
3395 ExpandExcerptDirection::Down => IconName::ExpandDown,
3396 ExpandExcerptDirection::UpAndDown => IconName::ExpandVertical,
3397 };
3398
3399 let editor = self.editor.clone();
3400 let is_wide = max_line_number_length
3401 >= EditorSettings::get_global(cx).gutter.min_line_number_digits as u32
3402 && row_info
3403 .buffer_row
3404 .is_some_and(|row| (row + 1).ilog10() + 1 == max_line_number_length)
3405 || gutter_dimensions.right_padding == px(0.);
3406
3407 let width = if is_wide {
3408 available_width - px(5.)
3409 } else {
3410 available_width + em_width - px(5.)
3411 };
3412
3413 let toggle = IconButton::new(("expand", ix), icon_name)
3414 .icon_color(Color::Custom(cx.theme().colors().editor_line_number))
3415 .icon_size(IconSize::Custom(rems(editor_font_size / window.rem_size())))
3416 .width(width)
3417 .on_click(move |_, window, cx| {
3418 editor.update(cx, |editor, cx| {
3419 editor.expand_excerpt(excerpt_id, direction, window, cx);
3420 });
3421 })
3422 .tooltip(Tooltip::for_action_title(
3423 "Expand Excerpt",
3424 &crate::actions::ExpandExcerpts::default(),
3425 ))
3426 .into_any_element();
3427
3428 let position = point(
3429 git_gutter_width + px(1.),
3430 ix as f32 * line_height
3431 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height))
3432 + px(1.),
3433 );
3434 let origin = gutter_hitbox.origin + position;
3435
3436 Some((toggle, origin))
3437 })
3438 .collect()
3439 }
3440
3441 fn layout_line_numbers(
3442 &self,
3443 gutter_hitbox: Option<&Hitbox>,
3444 gutter_dimensions: GutterDimensions,
3445 line_height: Pixels,
3446 scroll_position: gpui::Point<ScrollOffset>,
3447 rows: Range<DisplayRow>,
3448 buffer_rows: &[RowInfo],
3449 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3450 current_selection_head: Option<DisplayRow>,
3451 snapshot: &EditorSnapshot,
3452 window: &mut Window,
3453 cx: &mut App,
3454 ) -> Arc<HashMap<MultiBufferRow, LineNumberLayout>> {
3455 let include_line_numbers = snapshot
3456 .show_line_numbers
3457 .unwrap_or_else(|| EditorSettings::get_global(cx).gutter.line_numbers);
3458 if !include_line_numbers {
3459 return Arc::default();
3460 }
3461
3462 let relative = self.editor.read(cx).relative_line_numbers(cx);
3463
3464 let relative_line_numbers_enabled = relative.enabled();
3465 let relative_rows = if relative_line_numbers_enabled
3466 && let Some(current_selection_head) = current_selection_head
3467 {
3468 snapshot.calculate_relative_line_numbers(
3469 &rows,
3470 current_selection_head,
3471 relative.wrapped(),
3472 )
3473 } else {
3474 Default::default()
3475 };
3476
3477 let mut line_number = String::new();
3478 let segments = buffer_rows.iter().enumerate().flat_map(|(ix, row_info)| {
3479 let display_row = DisplayRow(rows.start.0 + ix as u32);
3480 line_number.clear();
3481 let non_relative_number = if relative.wrapped() {
3482 row_info.buffer_row.or(row_info.wrapped_buffer_row)? + 1
3483 } else {
3484 row_info.buffer_row? + 1
3485 };
3486 let relative_number = relative_rows.get(&display_row);
3487 if !(relative_line_numbers_enabled && relative_number.is_some())
3488 && !snapshot.number_deleted_lines
3489 && row_info
3490 .diff_status
3491 .is_some_and(|status| status.is_deleted())
3492 {
3493 return None;
3494 }
3495
3496 let number = relative_number.unwrap_or(&non_relative_number);
3497 write!(&mut line_number, "{number}").unwrap();
3498
3499 let color = active_rows
3500 .get(&display_row)
3501 .map(|spec| {
3502 if spec.breakpoint {
3503 cx.theme().colors().debugger_accent
3504 } else {
3505 cx.theme().colors().editor_active_line_number
3506 }
3507 })
3508 .unwrap_or_else(|| cx.theme().colors().editor_line_number);
3509 let shaped_line =
3510 self.shape_line_number(SharedString::from(&line_number), color, window);
3511 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
3512 let line_origin = gutter_hitbox.map(|hitbox| {
3513 hitbox.origin
3514 + point(
3515 hitbox.size.width - shaped_line.width - gutter_dimensions.right_padding,
3516 ix as f32 * line_height
3517 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height)),
3518 )
3519 });
3520
3521 #[cfg(not(test))]
3522 let hitbox = line_origin.map(|line_origin| {
3523 window.insert_hitbox(
3524 Bounds::new(line_origin, size(shaped_line.width, line_height)),
3525 HitboxBehavior::Normal,
3526 )
3527 });
3528 #[cfg(test)]
3529 let hitbox = {
3530 let _ = line_origin;
3531 None
3532 };
3533
3534 let segment = LineNumberSegment {
3535 shaped_line,
3536 hitbox,
3537 };
3538
3539 let buffer_row = DisplayPoint::new(display_row, 0).to_point(snapshot).row;
3540 let multi_buffer_row = MultiBufferRow(buffer_row);
3541
3542 Some((multi_buffer_row, segment))
3543 });
3544
3545 let mut line_numbers: HashMap<MultiBufferRow, LineNumberLayout> = HashMap::default();
3546 for (buffer_row, segment) in segments {
3547 line_numbers
3548 .entry(buffer_row)
3549 .or_insert_with(|| LineNumberLayout {
3550 segments: Default::default(),
3551 })
3552 .segments
3553 .push(segment);
3554 }
3555 Arc::new(line_numbers)
3556 }
3557
3558 fn layout_crease_toggles(
3559 &self,
3560 rows: Range<DisplayRow>,
3561 row_infos: &[RowInfo],
3562 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3563 snapshot: &EditorSnapshot,
3564 window: &mut Window,
3565 cx: &mut App,
3566 ) -> Vec<Option<AnyElement>> {
3567 let include_fold_statuses = EditorSettings::get_global(cx).gutter.folds
3568 && snapshot.mode.is_full()
3569 && self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
3570 if include_fold_statuses {
3571 row_infos
3572 .iter()
3573 .enumerate()
3574 .map(|(ix, info)| {
3575 if info.expand_info.is_some() {
3576 return None;
3577 }
3578 let row = info.multibuffer_row?;
3579 let display_row = DisplayRow(rows.start.0 + ix as u32);
3580 let active = active_rows.contains_key(&display_row);
3581
3582 snapshot.render_crease_toggle(row, active, self.editor.clone(), window, cx)
3583 })
3584 .collect()
3585 } else {
3586 Vec::new()
3587 }
3588 }
3589
3590 fn layout_crease_trailers(
3591 &self,
3592 buffer_rows: impl IntoIterator<Item = RowInfo>,
3593 snapshot: &EditorSnapshot,
3594 window: &mut Window,
3595 cx: &mut App,
3596 ) -> Vec<Option<AnyElement>> {
3597 buffer_rows
3598 .into_iter()
3599 .map(|row_info| {
3600 if row_info.expand_info.is_some() {
3601 return None;
3602 }
3603 if let Some(row) = row_info.multibuffer_row {
3604 snapshot.render_crease_trailer(row, window, cx)
3605 } else {
3606 None
3607 }
3608 })
3609 .collect()
3610 }
3611
3612 fn bg_segments_per_row(
3613 rows: Range<DisplayRow>,
3614 selections: &[(PlayerColor, Vec<SelectionLayout>)],
3615 highlight_ranges: &[(Range<DisplayPoint>, Hsla)],
3616 base_background: Hsla,
3617 ) -> Vec<Vec<(Range<DisplayPoint>, Hsla)>> {
3618 if rows.start >= rows.end {
3619 return Vec::new();
3620 }
3621 if !base_background.is_opaque() {
3622 // We don't actually know what color is behind this editor.
3623 return Vec::new();
3624 }
3625 let highlight_iter = highlight_ranges.iter().cloned();
3626 let selection_iter = selections.iter().flat_map(|(player_color, layouts)| {
3627 let color = player_color.selection;
3628 layouts.iter().filter_map(move |selection_layout| {
3629 if selection_layout.range.start != selection_layout.range.end {
3630 Some((selection_layout.range.clone(), color))
3631 } else {
3632 None
3633 }
3634 })
3635 });
3636 let mut per_row_map = vec![Vec::new(); rows.len()];
3637 for (range, color) in highlight_iter.chain(selection_iter) {
3638 let covered_rows = if range.end.column() == 0 {
3639 cmp::max(range.start.row(), rows.start)..cmp::min(range.end.row(), rows.end)
3640 } else {
3641 cmp::max(range.start.row(), rows.start)
3642 ..cmp::min(range.end.row().next_row(), rows.end)
3643 };
3644 for row in covered_rows.iter_rows() {
3645 let seg_start = if row == range.start.row() {
3646 range.start
3647 } else {
3648 DisplayPoint::new(row, 0)
3649 };
3650 let seg_end = if row == range.end.row() && range.end.column() != 0 {
3651 range.end
3652 } else {
3653 DisplayPoint::new(row, u32::MAX)
3654 };
3655 let ix = row.minus(rows.start) as usize;
3656 debug_assert!(row >= rows.start && row < rows.end);
3657 debug_assert!(ix < per_row_map.len());
3658 per_row_map[ix].push((seg_start..seg_end, color));
3659 }
3660 }
3661 for row_segments in per_row_map.iter_mut() {
3662 if row_segments.is_empty() {
3663 continue;
3664 }
3665 let segments = mem::take(row_segments);
3666 let merged = Self::merge_overlapping_ranges(segments, base_background);
3667 *row_segments = merged;
3668 }
3669 per_row_map
3670 }
3671
3672 /// Merge overlapping ranges by splitting at all range boundaries and blending colors where
3673 /// multiple ranges overlap. The result contains non-overlapping ranges ordered from left to right.
3674 ///
3675 /// Expects `start.row() == end.row()` for each range.
3676 fn merge_overlapping_ranges(
3677 ranges: Vec<(Range<DisplayPoint>, Hsla)>,
3678 base_background: Hsla,
3679 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
3680 struct Boundary {
3681 pos: DisplayPoint,
3682 is_start: bool,
3683 index: usize,
3684 color: Hsla,
3685 }
3686
3687 let mut boundaries: SmallVec<[Boundary; 16]> = SmallVec::with_capacity(ranges.len() * 2);
3688 for (index, (range, color)) in ranges.iter().enumerate() {
3689 debug_assert!(
3690 range.start.row() == range.end.row(),
3691 "expects single-row ranges"
3692 );
3693 if range.start < range.end {
3694 boundaries.push(Boundary {
3695 pos: range.start,
3696 is_start: true,
3697 index,
3698 color: *color,
3699 });
3700 boundaries.push(Boundary {
3701 pos: range.end,
3702 is_start: false,
3703 index,
3704 color: *color,
3705 });
3706 }
3707 }
3708
3709 if boundaries.is_empty() {
3710 return Vec::new();
3711 }
3712
3713 boundaries
3714 .sort_unstable_by(|a, b| a.pos.cmp(&b.pos).then_with(|| a.is_start.cmp(&b.is_start)));
3715
3716 let mut processed_ranges: Vec<(Range<DisplayPoint>, Hsla)> = Vec::new();
3717 let mut active_ranges: SmallVec<[(usize, Hsla); 8]> = SmallVec::new();
3718
3719 let mut i = 0;
3720 let mut start_pos = boundaries[0].pos;
3721
3722 let boundaries_len = boundaries.len();
3723 while i < boundaries_len {
3724 let current_boundary_pos = boundaries[i].pos;
3725 if start_pos < current_boundary_pos {
3726 if !active_ranges.is_empty() {
3727 let mut color = base_background;
3728 for &(_, c) in &active_ranges {
3729 color = Hsla::blend(color, c);
3730 }
3731 if let Some((last_range, last_color)) = processed_ranges.last_mut() {
3732 if *last_color == color && last_range.end == start_pos {
3733 last_range.end = current_boundary_pos;
3734 } else {
3735 processed_ranges.push((start_pos..current_boundary_pos, color));
3736 }
3737 } else {
3738 processed_ranges.push((start_pos..current_boundary_pos, color));
3739 }
3740 }
3741 }
3742 while i < boundaries_len && boundaries[i].pos == current_boundary_pos {
3743 let active_range = &boundaries[i];
3744 if active_range.is_start {
3745 let idx = active_range.index;
3746 let pos = active_ranges
3747 .binary_search_by_key(&idx, |(i, _)| *i)
3748 .unwrap_or_else(|p| p);
3749 active_ranges.insert(pos, (idx, active_range.color));
3750 } else {
3751 let idx = active_range.index;
3752 if let Ok(pos) = active_ranges.binary_search_by_key(&idx, |(i, _)| *i) {
3753 active_ranges.remove(pos);
3754 }
3755 }
3756 i += 1;
3757 }
3758 start_pos = current_boundary_pos;
3759 }
3760
3761 processed_ranges
3762 }
3763
3764 fn layout_lines(
3765 rows: Range<DisplayRow>,
3766 snapshot: &EditorSnapshot,
3767 style: &EditorStyle,
3768 editor_width: Pixels,
3769 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3770 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
3771 window: &mut Window,
3772 cx: &mut App,
3773 ) -> Vec<LineWithInvisibles> {
3774 if rows.start >= rows.end {
3775 return Vec::new();
3776 }
3777
3778 // Show the placeholder when the editor is empty
3779 if snapshot.is_empty() {
3780 let font_size = style.text.font_size.to_pixels(window.rem_size());
3781 let placeholder_color = cx.theme().colors().text_placeholder;
3782 let placeholder_text = snapshot.placeholder_text();
3783
3784 let placeholder_lines = placeholder_text
3785 .as_ref()
3786 .map_or(Vec::new(), |text| text.split('\n').collect::<Vec<_>>());
3787
3788 let placeholder_line_count = placeholder_lines.len();
3789
3790 placeholder_lines
3791 .into_iter()
3792 .skip(rows.start.0 as usize)
3793 .chain(iter::repeat(""))
3794 .take(cmp::max(rows.len(), placeholder_line_count))
3795 .map(move |line| {
3796 let run = TextRun {
3797 len: line.len(),
3798 font: style.text.font(),
3799 color: placeholder_color,
3800 ..Default::default()
3801 };
3802 let line = window.text_system().shape_line(
3803 line.to_string().into(),
3804 font_size,
3805 &[run],
3806 None,
3807 );
3808 LineWithInvisibles {
3809 width: line.width,
3810 len: line.len,
3811 fragments: smallvec![LineFragment::Text(line)],
3812 invisibles: Vec::new(),
3813 font_size,
3814 }
3815 })
3816 .collect()
3817 } else {
3818 let use_tree_sitter = !snapshot.semantic_tokens_enabled
3819 || snapshot.use_tree_sitter_for_syntax(rows.start, cx);
3820 let chunks = snapshot.highlighted_chunks(rows.clone(), use_tree_sitter, style);
3821 LineWithInvisibles::from_chunks(
3822 chunks,
3823 style,
3824 MAX_LINE_LEN,
3825 rows.len(),
3826 &snapshot.mode,
3827 editor_width,
3828 is_row_soft_wrapped,
3829 bg_segments_per_row,
3830 window,
3831 cx,
3832 )
3833 }
3834 }
3835
3836 fn prepaint_lines(
3837 &self,
3838 start_row: DisplayRow,
3839 line_layouts: &mut [LineWithInvisibles],
3840 line_height: Pixels,
3841 scroll_position: gpui::Point<ScrollOffset>,
3842 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
3843 content_origin: gpui::Point<Pixels>,
3844 window: &mut Window,
3845 cx: &mut App,
3846 ) -> SmallVec<[AnyElement; 1]> {
3847 let mut line_elements = SmallVec::new();
3848 for (ix, line) in line_layouts.iter_mut().enumerate() {
3849 let row = start_row + DisplayRow(ix as u32);
3850 line.prepaint(
3851 line_height,
3852 scroll_position,
3853 scroll_pixel_position,
3854 row,
3855 content_origin,
3856 &mut line_elements,
3857 window,
3858 cx,
3859 );
3860 }
3861 line_elements
3862 }
3863
3864 fn render_block(
3865 &self,
3866 block: &Block,
3867 available_width: AvailableSpace,
3868 block_id: BlockId,
3869 block_row_start: DisplayRow,
3870 snapshot: &EditorSnapshot,
3871 text_x: Pixels,
3872 rows: &Range<DisplayRow>,
3873 line_layouts: &[LineWithInvisibles],
3874 editor_margins: &EditorMargins,
3875 line_height: Pixels,
3876 em_width: Pixels,
3877 text_hitbox: &Hitbox,
3878 editor_width: Pixels,
3879 scroll_width: &mut Pixels,
3880 resized_blocks: &mut HashMap<CustomBlockId, u32>,
3881 row_block_types: &mut HashMap<DisplayRow, bool>,
3882 selections: &[Selection<Point>],
3883 selected_buffer_ids: &Vec<BufferId>,
3884 latest_selection_anchors: &HashMap<BufferId, Anchor>,
3885 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3886 sticky_header_excerpt_id: Option<ExcerptId>,
3887 indent_guides: &Option<Vec<IndentGuideLayout>>,
3888 block_resize_offset: &mut i32,
3889 window: &mut Window,
3890 cx: &mut App,
3891 ) -> Option<(AnyElement, Size<Pixels>, DisplayRow, Pixels)> {
3892 let mut x_position = None;
3893 let mut element = match block {
3894 Block::Custom(custom) => {
3895 let block_start = custom.start().to_point(&snapshot.buffer_snapshot());
3896 let block_end = custom.end().to_point(&snapshot.buffer_snapshot());
3897 if block.place_near() && snapshot.is_line_folded(MultiBufferRow(block_start.row)) {
3898 return None;
3899 }
3900 let align_to = block_start.to_display_point(snapshot);
3901 let x_and_width = |layout: &LineWithInvisibles| {
3902 Some((
3903 text_x + layout.x_for_index(align_to.column() as usize),
3904 text_x + layout.width,
3905 ))
3906 };
3907 let line_ix = align_to.row().0.checked_sub(rows.start.0);
3908 x_position =
3909 if let Some(layout) = line_ix.and_then(|ix| line_layouts.get(ix as usize)) {
3910 x_and_width(layout)
3911 } else {
3912 x_and_width(&layout_line(
3913 align_to.row(),
3914 snapshot,
3915 &self.style,
3916 editor_width,
3917 is_row_soft_wrapped,
3918 window,
3919 cx,
3920 ))
3921 };
3922
3923 let anchor_x = x_position.unwrap().0;
3924
3925 let selected = selections
3926 .binary_search_by(|selection| {
3927 if selection.end <= block_start {
3928 Ordering::Less
3929 } else if selection.start >= block_end {
3930 Ordering::Greater
3931 } else {
3932 Ordering::Equal
3933 }
3934 })
3935 .is_ok();
3936
3937 div()
3938 .size_full()
3939 .child(
3940 custom.render(&mut BlockContext {
3941 window,
3942 app: cx,
3943 anchor_x,
3944 margins: editor_margins,
3945 line_height,
3946 em_width,
3947 block_id,
3948 height: custom.height.unwrap_or(1),
3949 selected,
3950 max_width: text_hitbox.size.width.max(*scroll_width),
3951 editor_style: &self.style,
3952 indent_guide_padding: indent_guides
3953 .as_ref()
3954 .map(|guides| {
3955 Self::depth_zero_indent_guide_padding_for_row(
3956 guides,
3957 block_row_start,
3958 )
3959 })
3960 .unwrap_or(px(0.0)),
3961 }),
3962 )
3963 .into_any()
3964 }
3965
3966 Block::FoldedBuffer {
3967 first_excerpt,
3968 height,
3969 ..
3970 } => {
3971 let mut result = v_flex().id(block_id).w_full().pr(editor_margins.right);
3972
3973 if self.should_show_buffer_headers() {
3974 let selected = selected_buffer_ids.contains(&first_excerpt.buffer_id);
3975 let jump_data = header_jump_data(
3976 snapshot,
3977 block_row_start,
3978 *height,
3979 first_excerpt,
3980 latest_selection_anchors,
3981 );
3982 result = result.child(self.render_buffer_header(
3983 first_excerpt,
3984 true,
3985 selected,
3986 false,
3987 jump_data,
3988 window,
3989 cx,
3990 ));
3991 } else {
3992 result =
3993 result.child(div().h(FILE_HEADER_HEIGHT as f32 * window.line_height()));
3994 }
3995
3996 result.into_any_element()
3997 }
3998
3999 Block::ExcerptBoundary { .. } => {
4000 let color = cx.theme().colors().clone();
4001 let mut result = v_flex().id(block_id).w_full();
4002
4003 result = result.child(
4004 h_flex().relative().child(
4005 div()
4006 .top(line_height / 2.)
4007 .absolute()
4008 .w_full()
4009 .h_px()
4010 .bg(color.border_variant),
4011 ),
4012 );
4013
4014 result.into_any()
4015 }
4016
4017 Block::BufferHeader { excerpt, height } => {
4018 let mut result = v_flex().id(block_id).w_full();
4019
4020 if self.should_show_buffer_headers() {
4021 let jump_data = header_jump_data(
4022 snapshot,
4023 block_row_start,
4024 *height,
4025 excerpt,
4026 latest_selection_anchors,
4027 );
4028
4029 if sticky_header_excerpt_id != Some(excerpt.id) {
4030 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
4031
4032 result = result.child(div().pr(editor_margins.right).child(
4033 self.render_buffer_header(
4034 excerpt, false, selected, false, jump_data, window, cx,
4035 ),
4036 ));
4037 } else {
4038 result =
4039 result.child(div().h(FILE_HEADER_HEIGHT as f32 * window.line_height()));
4040 }
4041 } else {
4042 result =
4043 result.child(div().h(FILE_HEADER_HEIGHT as f32 * window.line_height()));
4044 }
4045
4046 result.into_any()
4047 }
4048
4049 Block::Spacer { height, .. } => {
4050 let indent_guide_padding = indent_guides
4051 .as_ref()
4052 .map(|guides| {
4053 Self::depth_zero_indent_guide_padding_for_row(guides, block_row_start)
4054 })
4055 .unwrap_or(px(0.0));
4056 Self::render_spacer_block(
4057 block_id,
4058 *height,
4059 line_height,
4060 indent_guide_padding,
4061 window,
4062 cx,
4063 )
4064 }
4065 };
4066
4067 // Discover the element's content height, then round up to the nearest multiple of line height.
4068 let preliminary_size = element.layout_as_root(
4069 size(available_width, AvailableSpace::MinContent),
4070 window,
4071 cx,
4072 );
4073 let quantized_height = (preliminary_size.height / line_height).ceil() * line_height;
4074 let final_size = if preliminary_size.height == quantized_height {
4075 preliminary_size
4076 } else {
4077 element.layout_as_root(size(available_width, quantized_height.into()), window, cx)
4078 };
4079 let mut element_height_in_lines = ((final_size.height / line_height).ceil() as u32).max(1);
4080
4081 let effective_row_start = block_row_start.0 as i32 + *block_resize_offset;
4082 debug_assert!(effective_row_start >= 0);
4083 let mut row = DisplayRow(effective_row_start.max(0) as u32);
4084
4085 let mut x_offset = px(0.);
4086 let mut is_block = true;
4087
4088 if let BlockId::Custom(custom_block_id) = block_id
4089 && block.has_height()
4090 {
4091 if block.place_near()
4092 && let Some((x_target, line_width)) = x_position
4093 {
4094 let margin = em_width * 2;
4095 if line_width + final_size.width + margin
4096 < editor_width + editor_margins.gutter.full_width()
4097 && !row_block_types.contains_key(&(row - 1))
4098 && element_height_in_lines == 1
4099 {
4100 x_offset = line_width + margin;
4101 row = row - 1;
4102 is_block = false;
4103 element_height_in_lines = 0;
4104 row_block_types.insert(row, is_block);
4105 } else {
4106 let max_offset =
4107 editor_width + editor_margins.gutter.full_width() - final_size.width;
4108 let min_offset = (x_target + em_width - final_size.width)
4109 .max(editor_margins.gutter.full_width());
4110 x_offset = x_target.min(max_offset).max(min_offset);
4111 }
4112 };
4113 if element_height_in_lines != block.height() {
4114 *block_resize_offset += element_height_in_lines as i32 - block.height() as i32;
4115 resized_blocks.insert(custom_block_id, element_height_in_lines);
4116 }
4117 }
4118 for i in 0..element_height_in_lines {
4119 row_block_types.insert(row + i, is_block);
4120 }
4121
4122 Some((element, final_size, row, x_offset))
4123 }
4124
4125 /// The spacer pattern period must be an even factor of the line height, so
4126 /// that two consecutive spacer blocks can render contiguously without an
4127 /// obvious break in the pattern.
4128 ///
4129 /// Two consecutive spacers can appear when the other side has a diff hunk
4130 /// and a custom block next to each other (e.g. merge conflict buttons).
4131 fn spacer_pattern_period(line_height: f32, target_height: f32) -> f32 {
4132 let k_approx = line_height / (2.0 * target_height);
4133 let k_floor = (k_approx.floor() as u32).max(1);
4134 let k_ceil = (k_approx.ceil() as u32).max(1);
4135
4136 let size_floor = line_height / (2 * k_floor) as f32;
4137 let size_ceil = line_height / (2 * k_ceil) as f32;
4138
4139 if (size_floor - target_height).abs() <= (size_ceil - target_height).abs() {
4140 size_floor
4141 } else {
4142 size_ceil
4143 }
4144 }
4145
4146 pub fn render_spacer_block(
4147 block_id: BlockId,
4148 block_height: u32,
4149 line_height: Pixels,
4150 indent_guide_padding: Pixels,
4151 window: &mut Window,
4152 cx: &App,
4153 ) -> AnyElement {
4154 let target_size = 16.0;
4155 let scale = window.scale_factor();
4156 let pattern_size =
4157 Self::spacer_pattern_period(f32::from(line_height) * scale, target_size * scale);
4158 let color = cx.theme().colors().panel_background;
4159 let background = pattern_slash(color, 2.0, pattern_size - 2.0);
4160
4161 div()
4162 .id(block_id)
4163 .cursor(CursorStyle::Arrow)
4164 .w_full()
4165 .h((block_height as f32) * line_height)
4166 .flex()
4167 .flex_row()
4168 .child(div().flex_shrink_0().w(indent_guide_padding).h_full())
4169 .child(
4170 div()
4171 .flex_1()
4172 .h_full()
4173 .relative()
4174 .overflow_x_hidden()
4175 .child(
4176 div()
4177 .absolute()
4178 .top_0()
4179 .bottom_0()
4180 .right_0()
4181 .left(-indent_guide_padding)
4182 .bg(background),
4183 ),
4184 )
4185 .into_any()
4186 }
4187
4188 fn render_buffer_header(
4189 &self,
4190 for_excerpt: &ExcerptInfo,
4191 is_folded: bool,
4192 is_selected: bool,
4193 is_sticky: bool,
4194 jump_data: JumpData,
4195 window: &mut Window,
4196 cx: &mut App,
4197 ) -> impl IntoElement {
4198 render_buffer_header(
4199 &self.editor,
4200 for_excerpt,
4201 is_folded,
4202 is_selected,
4203 is_sticky,
4204 jump_data,
4205 window,
4206 cx,
4207 )
4208 }
4209
4210 fn render_blocks(
4211 &self,
4212 rows: Range<DisplayRow>,
4213 snapshot: &EditorSnapshot,
4214 hitbox: &Hitbox,
4215 text_hitbox: &Hitbox,
4216 editor_width: Pixels,
4217 scroll_width: &mut Pixels,
4218 editor_margins: &EditorMargins,
4219 em_width: Pixels,
4220 text_x: Pixels,
4221 line_height: Pixels,
4222 line_layouts: &mut [LineWithInvisibles],
4223 selections: &[Selection<Point>],
4224 selected_buffer_ids: &Vec<BufferId>,
4225 latest_selection_anchors: &HashMap<BufferId, Anchor>,
4226 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
4227 sticky_header_excerpt_id: Option<ExcerptId>,
4228 indent_guides: &Option<Vec<IndentGuideLayout>>,
4229 window: &mut Window,
4230 cx: &mut App,
4231 ) -> RenderBlocksOutput {
4232 let (fixed_blocks, non_fixed_blocks) = snapshot
4233 .blocks_in_range(rows.clone())
4234 .partition::<Vec<_>, _>(|(_, block)| block.style() == BlockStyle::Fixed);
4235
4236 let mut focused_block = self
4237 .editor
4238 .update(cx, |editor, _| editor.take_focused_block());
4239 let mut fixed_block_max_width = Pixels::ZERO;
4240 let mut blocks = Vec::new();
4241 let mut spacer_blocks = Vec::new();
4242 let mut resized_blocks = HashMap::default();
4243 let mut row_block_types = HashMap::default();
4244 let mut block_resize_offset: i32 = 0;
4245
4246 for (row, block) in fixed_blocks {
4247 let block_id = block.id();
4248
4249 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4250 focused_block = None;
4251 }
4252
4253 if let Some((element, element_size, row, x_offset)) = self.render_block(
4254 block,
4255 AvailableSpace::MinContent,
4256 block_id,
4257 row,
4258 snapshot,
4259 text_x,
4260 &rows,
4261 line_layouts,
4262 editor_margins,
4263 line_height,
4264 em_width,
4265 text_hitbox,
4266 editor_width,
4267 scroll_width,
4268 &mut resized_blocks,
4269 &mut row_block_types,
4270 selections,
4271 selected_buffer_ids,
4272 latest_selection_anchors,
4273 is_row_soft_wrapped,
4274 sticky_header_excerpt_id,
4275 indent_guides,
4276 &mut block_resize_offset,
4277 window,
4278 cx,
4279 ) {
4280 fixed_block_max_width = fixed_block_max_width.max(element_size.width + em_width);
4281 blocks.push(BlockLayout {
4282 id: block_id,
4283 x_offset,
4284 row: Some(row),
4285 element,
4286 available_space: size(AvailableSpace::MinContent, element_size.height.into()),
4287 style: BlockStyle::Fixed,
4288 overlaps_gutter: true,
4289 is_buffer_header: block.is_buffer_header(),
4290 });
4291 }
4292 }
4293
4294 for (row, block) in non_fixed_blocks {
4295 let style = block.style();
4296 let width = match (style, block.place_near()) {
4297 (_, true) => AvailableSpace::MinContent,
4298 (BlockStyle::Sticky, _) => hitbox.size.width.into(),
4299 (BlockStyle::Flex, _) => hitbox
4300 .size
4301 .width
4302 .max(fixed_block_max_width)
4303 .max(
4304 editor_margins.gutter.width + *scroll_width + editor_margins.extended_right,
4305 )
4306 .into(),
4307 (BlockStyle::Spacer, _) => hitbox
4308 .size
4309 .width
4310 .max(fixed_block_max_width)
4311 .max(*scroll_width + editor_margins.extended_right)
4312 .into(),
4313 (BlockStyle::Fixed, _) => unreachable!(),
4314 };
4315 let block_id = block.id();
4316
4317 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4318 focused_block = None;
4319 }
4320
4321 if let Some((element, element_size, row, x_offset)) = self.render_block(
4322 block,
4323 width,
4324 block_id,
4325 row,
4326 snapshot,
4327 text_x,
4328 &rows,
4329 line_layouts,
4330 editor_margins,
4331 line_height,
4332 em_width,
4333 text_hitbox,
4334 editor_width,
4335 scroll_width,
4336 &mut resized_blocks,
4337 &mut row_block_types,
4338 selections,
4339 selected_buffer_ids,
4340 latest_selection_anchors,
4341 is_row_soft_wrapped,
4342 sticky_header_excerpt_id,
4343 indent_guides,
4344 &mut block_resize_offset,
4345 window,
4346 cx,
4347 ) {
4348 let layout = BlockLayout {
4349 id: block_id,
4350 x_offset,
4351 row: Some(row),
4352 element,
4353 available_space: size(width, element_size.height.into()),
4354 style,
4355 overlaps_gutter: !block.place_near() && style != BlockStyle::Spacer,
4356 is_buffer_header: block.is_buffer_header(),
4357 };
4358 if style == BlockStyle::Spacer {
4359 spacer_blocks.push(layout);
4360 } else {
4361 blocks.push(layout);
4362 }
4363 }
4364 }
4365
4366 if let Some(focused_block) = focused_block
4367 && let Some(focus_handle) = focused_block.focus_handle.upgrade()
4368 && focus_handle.is_focused(window)
4369 && let Some(block) = snapshot.block_for_id(focused_block.id)
4370 {
4371 let style = block.style();
4372 let width = match style {
4373 BlockStyle::Fixed => AvailableSpace::MinContent,
4374 BlockStyle::Flex => {
4375 AvailableSpace::Definite(hitbox.size.width.max(fixed_block_max_width).max(
4376 editor_margins.gutter.width + *scroll_width + editor_margins.extended_right,
4377 ))
4378 }
4379 BlockStyle::Spacer => AvailableSpace::Definite(
4380 hitbox
4381 .size
4382 .width
4383 .max(fixed_block_max_width)
4384 .max(*scroll_width + editor_margins.extended_right),
4385 ),
4386 BlockStyle::Sticky => AvailableSpace::Definite(hitbox.size.width),
4387 };
4388
4389 if let Some((element, element_size, _, x_offset)) = self.render_block(
4390 &block,
4391 width,
4392 focused_block.id,
4393 rows.end,
4394 snapshot,
4395 text_x,
4396 &rows,
4397 line_layouts,
4398 editor_margins,
4399 line_height,
4400 em_width,
4401 text_hitbox,
4402 editor_width,
4403 scroll_width,
4404 &mut resized_blocks,
4405 &mut row_block_types,
4406 selections,
4407 selected_buffer_ids,
4408 latest_selection_anchors,
4409 is_row_soft_wrapped,
4410 sticky_header_excerpt_id,
4411 indent_guides,
4412 &mut block_resize_offset,
4413 window,
4414 cx,
4415 ) {
4416 blocks.push(BlockLayout {
4417 id: block.id(),
4418 x_offset,
4419 row: None,
4420 element,
4421 available_space: size(width, element_size.height.into()),
4422 style,
4423 overlaps_gutter: true,
4424 is_buffer_header: block.is_buffer_header(),
4425 });
4426 }
4427 }
4428
4429 if resized_blocks.is_empty() {
4430 *scroll_width =
4431 (*scroll_width).max(fixed_block_max_width - editor_margins.gutter.width);
4432 }
4433
4434 RenderBlocksOutput {
4435 non_spacer_blocks: blocks,
4436 spacer_blocks,
4437 row_block_types,
4438 resized_blocks: (!resized_blocks.is_empty()).then_some(resized_blocks),
4439 }
4440 }
4441
4442 fn layout_blocks(
4443 &self,
4444 blocks: &mut Vec<BlockLayout>,
4445 hitbox: &Hitbox,
4446 gutter_hitbox: &Hitbox,
4447 line_height: Pixels,
4448 scroll_position: gpui::Point<ScrollOffset>,
4449 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4450 editor_margins: &EditorMargins,
4451 window: &mut Window,
4452 cx: &mut App,
4453 ) {
4454 for block in blocks {
4455 let mut origin = if let Some(row) = block.row {
4456 hitbox.origin
4457 + point(
4458 block.x_offset,
4459 Pixels::from(
4460 (row.as_f64() - scroll_position.y)
4461 * ScrollPixelOffset::from(line_height),
4462 ),
4463 )
4464 } else {
4465 // Position the block outside the visible area
4466 hitbox.origin + point(Pixels::ZERO, hitbox.size.height)
4467 };
4468
4469 if block.style == BlockStyle::Spacer {
4470 origin += point(
4471 gutter_hitbox.size.width + editor_margins.gutter.margin,
4472 Pixels::ZERO,
4473 );
4474 }
4475
4476 if !matches!(block.style, BlockStyle::Sticky) {
4477 origin += point(Pixels::from(-scroll_pixel_position.x), Pixels::ZERO);
4478 }
4479
4480 let focus_handle =
4481 block
4482 .element
4483 .prepaint_as_root(origin, block.available_space, window, cx);
4484
4485 if let Some(focus_handle) = focus_handle {
4486 self.editor.update(cx, |editor, _cx| {
4487 editor.set_focused_block(FocusedBlock {
4488 id: block.id,
4489 focus_handle: focus_handle.downgrade(),
4490 });
4491 });
4492 }
4493 }
4494 }
4495
4496 fn layout_sticky_buffer_header(
4497 &self,
4498 StickyHeaderExcerpt { excerpt }: StickyHeaderExcerpt<'_>,
4499 scroll_position: gpui::Point<ScrollOffset>,
4500 line_height: Pixels,
4501 right_margin: Pixels,
4502 snapshot: &EditorSnapshot,
4503 hitbox: &Hitbox,
4504 selected_buffer_ids: &Vec<BufferId>,
4505 blocks: &[BlockLayout],
4506 latest_selection_anchors: &HashMap<BufferId, Anchor>,
4507 window: &mut Window,
4508 cx: &mut App,
4509 ) -> AnyElement {
4510 let jump_data = header_jump_data(
4511 snapshot,
4512 DisplayRow(scroll_position.y as u32),
4513 FILE_HEADER_HEIGHT + MULTI_BUFFER_EXCERPT_HEADER_HEIGHT,
4514 excerpt,
4515 latest_selection_anchors,
4516 );
4517
4518 let editor_bg_color = cx.theme().colors().editor_background;
4519
4520 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
4521
4522 let available_width = hitbox.bounds.size.width - right_margin;
4523
4524 let mut header = v_flex()
4525 .w_full()
4526 .relative()
4527 .child(
4528 div()
4529 .w(available_width)
4530 .h(FILE_HEADER_HEIGHT as f32 * line_height)
4531 .bg(linear_gradient(
4532 0.,
4533 linear_color_stop(editor_bg_color.opacity(0.), 0.),
4534 linear_color_stop(editor_bg_color, 0.6),
4535 ))
4536 .absolute()
4537 .top_0(),
4538 )
4539 .child(
4540 self.render_buffer_header(excerpt, false, selected, true, jump_data, window, cx)
4541 .into_any_element(),
4542 )
4543 .into_any_element();
4544
4545 let mut origin = hitbox.origin;
4546 // Move floating header up to avoid colliding with the next buffer header.
4547 for block in blocks.iter() {
4548 if !block.is_buffer_header {
4549 continue;
4550 }
4551
4552 let Some(display_row) = block.row.filter(|row| row.0 > scroll_position.y as u32) else {
4553 continue;
4554 };
4555
4556 let max_row = display_row.0.saturating_sub(FILE_HEADER_HEIGHT);
4557 let offset = scroll_position.y - max_row as f64;
4558
4559 if offset > 0.0 {
4560 origin.y -= Pixels::from(offset * ScrollPixelOffset::from(line_height));
4561 }
4562 break;
4563 }
4564
4565 let size = size(
4566 AvailableSpace::Definite(available_width),
4567 AvailableSpace::MinContent,
4568 );
4569
4570 header.prepaint_as_root(origin, size, window, cx);
4571
4572 header
4573 }
4574
4575 fn layout_sticky_headers(
4576 &self,
4577 snapshot: &EditorSnapshot,
4578 editor_width: Pixels,
4579 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
4580 line_height: Pixels,
4581 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4582 content_origin: gpui::Point<Pixels>,
4583 gutter_dimensions: &GutterDimensions,
4584 gutter_hitbox: &Hitbox,
4585 text_hitbox: &Hitbox,
4586 relative_line_numbers: RelativeLineNumbers,
4587 relative_to: Option<DisplayRow>,
4588 window: &mut Window,
4589 cx: &mut App,
4590 ) -> Option<StickyHeaders> {
4591 let show_line_numbers = snapshot
4592 .show_line_numbers
4593 .unwrap_or_else(|| EditorSettings::get_global(cx).gutter.line_numbers);
4594
4595 let rows = Self::sticky_headers(self.editor.read(cx), snapshot);
4596
4597 let mut lines = Vec::<StickyHeaderLine>::new();
4598
4599 for StickyHeader {
4600 sticky_row,
4601 start_point,
4602 offset,
4603 } in rows.into_iter().rev()
4604 {
4605 let line = layout_line(
4606 sticky_row,
4607 snapshot,
4608 &self.style,
4609 editor_width,
4610 is_row_soft_wrapped,
4611 window,
4612 cx,
4613 );
4614
4615 let line_number = show_line_numbers.then(|| {
4616 let start_display_row = start_point.to_display_point(snapshot).row();
4617 let relative_number = relative_to
4618 .filter(|_| relative_line_numbers != RelativeLineNumbers::Disabled)
4619 .map(|base| {
4620 snapshot.relative_line_delta(
4621 base,
4622 start_display_row,
4623 relative_line_numbers == RelativeLineNumbers::Wrapped,
4624 )
4625 });
4626 let number = relative_number
4627 .filter(|&delta| delta != 0)
4628 .map(|delta| delta.unsigned_abs() as u32)
4629 .unwrap_or(start_point.row + 1);
4630 let color = cx.theme().colors().editor_line_number;
4631 self.shape_line_number(SharedString::from(number.to_string()), color, window)
4632 });
4633
4634 lines.push(StickyHeaderLine::new(
4635 sticky_row,
4636 line_height * offset as f32,
4637 line,
4638 line_number,
4639 line_height,
4640 scroll_pixel_position,
4641 content_origin,
4642 gutter_hitbox,
4643 text_hitbox,
4644 window,
4645 cx,
4646 ));
4647 }
4648
4649 lines.reverse();
4650 if lines.is_empty() {
4651 return None;
4652 }
4653
4654 Some(StickyHeaders {
4655 lines,
4656 gutter_background: cx.theme().colors().editor_gutter_background,
4657 content_background: self.style.background,
4658 gutter_right_padding: gutter_dimensions.right_padding,
4659 })
4660 }
4661
4662 pub(crate) fn sticky_headers(editor: &Editor, snapshot: &EditorSnapshot) -> Vec<StickyHeader> {
4663 let scroll_top = snapshot.scroll_position().y;
4664
4665 let mut end_rows = Vec::<DisplayRow>::new();
4666 let mut rows = Vec::<StickyHeader>::new();
4667
4668 for item in editor.sticky_headers.iter().flatten() {
4669 let start_point = item.range.start.to_point(snapshot.buffer_snapshot());
4670 let end_point = item.range.end.to_point(snapshot.buffer_snapshot());
4671
4672 let sticky_row = snapshot
4673 .display_snapshot
4674 .point_to_display_point(start_point, Bias::Left)
4675 .row();
4676 let end_row = snapshot
4677 .display_snapshot
4678 .point_to_display_point(end_point, Bias::Left)
4679 .row();
4680 let max_sticky_row = end_row.previous_row();
4681 if max_sticky_row <= sticky_row {
4682 continue;
4683 }
4684
4685 while end_rows
4686 .last()
4687 .is_some_and(|&last_end| last_end <= sticky_row)
4688 {
4689 end_rows.pop();
4690 }
4691 let depth = end_rows.len();
4692 let adjusted_scroll_top = scroll_top + depth as f64;
4693
4694 if sticky_row.as_f64() >= adjusted_scroll_top || end_row.as_f64() <= adjusted_scroll_top
4695 {
4696 continue;
4697 }
4698
4699 let max_scroll_offset = max_sticky_row.as_f64() - scroll_top;
4700 let offset = (depth as f64).min(max_scroll_offset);
4701
4702 end_rows.push(end_row);
4703 rows.push(StickyHeader {
4704 sticky_row,
4705 start_point,
4706 offset,
4707 });
4708 }
4709
4710 rows
4711 }
4712
4713 fn layout_cursor_popovers(
4714 &self,
4715 line_height: Pixels,
4716 text_hitbox: &Hitbox,
4717 content_origin: gpui::Point<Pixels>,
4718 right_margin: Pixels,
4719 start_row: DisplayRow,
4720 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4721 line_layouts: &[LineWithInvisibles],
4722 cursor: DisplayPoint,
4723 cursor_point: Point,
4724 style: &EditorStyle,
4725 window: &mut Window,
4726 cx: &mut App,
4727 ) -> Option<ContextMenuLayout> {
4728 let mut min_menu_height = Pixels::ZERO;
4729 let mut max_menu_height = Pixels::ZERO;
4730 let mut height_above_menu = Pixels::ZERO;
4731 let height_below_menu = Pixels::ZERO;
4732 let mut edit_prediction_popover_visible = false;
4733 let mut context_menu_visible = false;
4734 let context_menu_placement;
4735
4736 {
4737 let editor = self.editor.read(cx);
4738 if editor.edit_prediction_visible_in_cursor_popover(editor.has_active_edit_prediction())
4739 {
4740 height_above_menu +=
4741 editor.edit_prediction_cursor_popover_height() + POPOVER_Y_PADDING;
4742 edit_prediction_popover_visible = true;
4743 }
4744
4745 if editor.context_menu_visible()
4746 && let Some(crate::ContextMenuOrigin::Cursor) = editor.context_menu_origin()
4747 {
4748 let (min_height_in_lines, max_height_in_lines) = editor
4749 .context_menu_options
4750 .as_ref()
4751 .map_or((3, 12), |options| {
4752 (options.min_entries_visible, options.max_entries_visible)
4753 });
4754
4755 min_menu_height += line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4756 max_menu_height += line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4757 context_menu_visible = true;
4758 }
4759 context_menu_placement = editor
4760 .context_menu_options
4761 .as_ref()
4762 .and_then(|options| options.placement.clone());
4763 }
4764
4765 let visible = edit_prediction_popover_visible || context_menu_visible;
4766 if !visible {
4767 return None;
4768 }
4769
4770 let cursor_row_layout = &line_layouts[cursor.row().minus(start_row) as usize];
4771 let target_position = content_origin
4772 + gpui::Point {
4773 x: cmp::max(
4774 px(0.),
4775 Pixels::from(
4776 ScrollPixelOffset::from(
4777 cursor_row_layout.x_for_index(cursor.column() as usize),
4778 ) - scroll_pixel_position.x,
4779 ),
4780 ),
4781 y: cmp::max(
4782 px(0.),
4783 Pixels::from(
4784 cursor.row().next_row().as_f64() * ScrollPixelOffset::from(line_height)
4785 - scroll_pixel_position.y,
4786 ),
4787 ),
4788 };
4789
4790 let viewport_bounds =
4791 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4792 right: -right_margin - MENU_GAP,
4793 ..Default::default()
4794 });
4795
4796 let min_height = height_above_menu + min_menu_height + height_below_menu;
4797 let max_height = height_above_menu + max_menu_height + height_below_menu;
4798 let (laid_out_popovers, y_flipped) = self.layout_popovers_above_or_below_line(
4799 target_position,
4800 line_height,
4801 min_height,
4802 max_height,
4803 context_menu_placement,
4804 text_hitbox,
4805 viewport_bounds,
4806 window,
4807 cx,
4808 |height, max_width_for_stable_x, y_flipped, window, cx| {
4809 // First layout the menu to get its size - others can be at least this wide.
4810 let context_menu = if context_menu_visible {
4811 let menu_height = if y_flipped {
4812 height - height_below_menu
4813 } else {
4814 height - height_above_menu
4815 };
4816 let mut element = self
4817 .render_context_menu(line_height, menu_height, window, cx)
4818 .expect("Visible context menu should always render.");
4819 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4820 Some((CursorPopoverType::CodeContextMenu, element, size))
4821 } else {
4822 None
4823 };
4824 let min_width = context_menu
4825 .as_ref()
4826 .map_or(px(0.), |(_, _, size)| size.width);
4827 let max_width = max_width_for_stable_x.max(
4828 context_menu
4829 .as_ref()
4830 .map_or(px(0.), |(_, _, size)| size.width),
4831 );
4832
4833 let edit_prediction = if edit_prediction_popover_visible {
4834 self.editor.update(cx, move |editor, cx| {
4835 let mut element = editor.render_edit_prediction_cursor_popover(
4836 min_width,
4837 max_width,
4838 cursor_point,
4839 style,
4840 window,
4841 cx,
4842 )?;
4843 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4844 Some((CursorPopoverType::EditPrediction, element, size))
4845 })
4846 } else {
4847 None
4848 };
4849 vec![edit_prediction, context_menu]
4850 .into_iter()
4851 .flatten()
4852 .collect::<Vec<_>>()
4853 },
4854 )?;
4855
4856 let (menu_ix, (_, menu_bounds)) = laid_out_popovers
4857 .iter()
4858 .find_position(|(x, _)| matches!(x, CursorPopoverType::CodeContextMenu))?;
4859 let last_ix = laid_out_popovers.len() - 1;
4860 let menu_is_last = menu_ix == last_ix;
4861 let first_popover_bounds = laid_out_popovers[0].1;
4862 let last_popover_bounds = laid_out_popovers[last_ix].1;
4863
4864 // Bounds to layout the aside around. When y_flipped, the aside goes either above or to the
4865 // right, and otherwise it goes below or to the right.
4866 let mut target_bounds = Bounds::from_corners(
4867 first_popover_bounds.origin,
4868 last_popover_bounds.bottom_right(),
4869 );
4870 target_bounds.size.width = menu_bounds.size.width;
4871
4872 // Like `target_bounds`, but with the max height it could occupy. Choosing an aside position
4873 // based on this is preferred for layout stability.
4874 let mut max_target_bounds = target_bounds;
4875 max_target_bounds.size.height = max_height;
4876 if y_flipped {
4877 max_target_bounds.origin.y -= max_height - target_bounds.size.height;
4878 }
4879
4880 // Add spacing around `target_bounds` and `max_target_bounds`.
4881 let mut extend_amount = Edges::all(MENU_GAP);
4882 if y_flipped {
4883 extend_amount.bottom = line_height;
4884 } else {
4885 extend_amount.top = line_height;
4886 }
4887 let target_bounds = target_bounds.extend(extend_amount);
4888 let max_target_bounds = max_target_bounds.extend(extend_amount);
4889
4890 let must_place_above_or_below =
4891 if y_flipped && !menu_is_last && menu_bounds.size.height < max_menu_height {
4892 laid_out_popovers[menu_ix + 1..]
4893 .iter()
4894 .any(|(_, popover_bounds)| popover_bounds.size.width > menu_bounds.size.width)
4895 } else {
4896 false
4897 };
4898
4899 let aside_bounds = self.layout_context_menu_aside(
4900 y_flipped,
4901 *menu_bounds,
4902 target_bounds,
4903 max_target_bounds,
4904 max_menu_height,
4905 must_place_above_or_below,
4906 text_hitbox,
4907 viewport_bounds,
4908 window,
4909 cx,
4910 );
4911
4912 if let Some(menu_bounds) = laid_out_popovers.iter().find_map(|(popover_type, bounds)| {
4913 if matches!(popover_type, CursorPopoverType::CodeContextMenu) {
4914 Some(*bounds)
4915 } else {
4916 None
4917 }
4918 }) {
4919 let bounds = if let Some(aside_bounds) = aside_bounds {
4920 menu_bounds.union(&aside_bounds)
4921 } else {
4922 menu_bounds
4923 };
4924 return Some(ContextMenuLayout { y_flipped, bounds });
4925 }
4926
4927 None
4928 }
4929
4930 fn layout_gutter_menu(
4931 &self,
4932 line_height: Pixels,
4933 text_hitbox: &Hitbox,
4934 content_origin: gpui::Point<Pixels>,
4935 right_margin: Pixels,
4936 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4937 gutter_overshoot: Pixels,
4938 window: &mut Window,
4939 cx: &mut App,
4940 ) {
4941 let editor = self.editor.read(cx);
4942 if !editor.context_menu_visible() {
4943 return;
4944 }
4945 let Some(crate::ContextMenuOrigin::GutterIndicator(gutter_row)) =
4946 editor.context_menu_origin()
4947 else {
4948 return;
4949 };
4950 // Context menu was spawned via a click on a gutter. Ensure it's a bit closer to the
4951 // indicator than just a plain first column of the text field.
4952 let target_position = content_origin
4953 + gpui::Point {
4954 x: -gutter_overshoot,
4955 y: Pixels::from(
4956 gutter_row.next_row().as_f64() * ScrollPixelOffset::from(line_height)
4957 - scroll_pixel_position.y,
4958 ),
4959 };
4960
4961 let (min_height_in_lines, max_height_in_lines) = editor
4962 .context_menu_options
4963 .as_ref()
4964 .map_or((3, 12), |options| {
4965 (options.min_entries_visible, options.max_entries_visible)
4966 });
4967
4968 let min_height = line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4969 let max_height = line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4970 let viewport_bounds =
4971 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4972 right: -right_margin - MENU_GAP,
4973 ..Default::default()
4974 });
4975 self.layout_popovers_above_or_below_line(
4976 target_position,
4977 line_height,
4978 min_height,
4979 max_height,
4980 editor
4981 .context_menu_options
4982 .as_ref()
4983 .and_then(|options| options.placement.clone()),
4984 text_hitbox,
4985 viewport_bounds,
4986 window,
4987 cx,
4988 move |height, _max_width_for_stable_x, _, window, cx| {
4989 let mut element = self
4990 .render_context_menu(line_height, height, window, cx)
4991 .expect("Visible context menu should always render.");
4992 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4993 vec![(CursorPopoverType::CodeContextMenu, element, size)]
4994 },
4995 );
4996 }
4997
4998 fn layout_popovers_above_or_below_line(
4999 &self,
5000 target_position: gpui::Point<Pixels>,
5001 line_height: Pixels,
5002 min_height: Pixels,
5003 max_height: Pixels,
5004 placement: Option<ContextMenuPlacement>,
5005 text_hitbox: &Hitbox,
5006 viewport_bounds: Bounds<Pixels>,
5007 window: &mut Window,
5008 cx: &mut App,
5009 make_sized_popovers: impl FnOnce(
5010 Pixels,
5011 Pixels,
5012 bool,
5013 &mut Window,
5014 &mut App,
5015 ) -> Vec<(CursorPopoverType, AnyElement, Size<Pixels>)>,
5016 ) -> Option<(Vec<(CursorPopoverType, Bounds<Pixels>)>, bool)> {
5017 let text_style = TextStyleRefinement {
5018 line_height: Some(DefiniteLength::Fraction(
5019 BufferLineHeight::Comfortable.value(),
5020 )),
5021 ..Default::default()
5022 };
5023 window.with_text_style(Some(text_style), |window| {
5024 // If the max height won't fit below and there is more space above, put it above the line.
5025 let bottom_y_when_flipped = target_position.y - line_height;
5026 let available_above = bottom_y_when_flipped - text_hitbox.top();
5027 let available_below = text_hitbox.bottom() - target_position.y;
5028 let y_overflows_below = max_height > available_below;
5029 let mut y_flipped = match placement {
5030 Some(ContextMenuPlacement::Above) => true,
5031 Some(ContextMenuPlacement::Below) => false,
5032 None => y_overflows_below && available_above > available_below,
5033 };
5034 let mut height = cmp::min(
5035 max_height,
5036 if y_flipped {
5037 available_above
5038 } else {
5039 available_below
5040 },
5041 );
5042
5043 // If the min height doesn't fit within text bounds, instead fit within the window.
5044 if height < min_height {
5045 let available_above = bottom_y_when_flipped;
5046 let available_below = viewport_bounds.bottom() - target_position.y;
5047 let (y_flipped_override, height_override) = match placement {
5048 Some(ContextMenuPlacement::Above) => {
5049 (true, cmp::min(available_above, min_height))
5050 }
5051 Some(ContextMenuPlacement::Below) => {
5052 (false, cmp::min(available_below, min_height))
5053 }
5054 None => {
5055 if available_below > min_height {
5056 (false, min_height)
5057 } else if available_above > min_height {
5058 (true, min_height)
5059 } else if available_above > available_below {
5060 (true, available_above)
5061 } else {
5062 (false, available_below)
5063 }
5064 }
5065 };
5066 y_flipped = y_flipped_override;
5067 height = height_override;
5068 }
5069
5070 let max_width_for_stable_x = viewport_bounds.right() - target_position.x;
5071
5072 // TODO: Use viewport_bounds.width as a max width so that it doesn't get clipped on the left
5073 // for very narrow windows.
5074 let popovers =
5075 make_sized_popovers(height, max_width_for_stable_x, y_flipped, window, cx);
5076 if popovers.is_empty() {
5077 return None;
5078 }
5079
5080 let max_width = popovers
5081 .iter()
5082 .map(|(_, _, size)| size.width)
5083 .max()
5084 .unwrap_or_default();
5085
5086 let mut current_position = gpui::Point {
5087 // Snap the right edge of the list to the right edge of the window if its horizontal bounds
5088 // overflow. Include space for the scrollbar.
5089 x: target_position
5090 .x
5091 .min((viewport_bounds.right() - max_width).max(Pixels::ZERO)),
5092 y: if y_flipped {
5093 bottom_y_when_flipped
5094 } else {
5095 target_position.y
5096 },
5097 };
5098
5099 let mut laid_out_popovers = popovers
5100 .into_iter()
5101 .map(|(popover_type, element, size)| {
5102 if y_flipped {
5103 current_position.y -= size.height;
5104 }
5105 let position = current_position;
5106 window.defer_draw(element, current_position, 1, None);
5107 if !y_flipped {
5108 current_position.y += size.height + MENU_GAP;
5109 } else {
5110 current_position.y -= MENU_GAP;
5111 }
5112 (popover_type, Bounds::new(position, size))
5113 })
5114 .collect::<Vec<_>>();
5115
5116 if y_flipped {
5117 laid_out_popovers.reverse();
5118 }
5119
5120 Some((laid_out_popovers, y_flipped))
5121 })
5122 }
5123
5124 fn layout_context_menu_aside(
5125 &self,
5126 y_flipped: bool,
5127 menu_bounds: Bounds<Pixels>,
5128 target_bounds: Bounds<Pixels>,
5129 max_target_bounds: Bounds<Pixels>,
5130 max_height: Pixels,
5131 must_place_above_or_below: bool,
5132 text_hitbox: &Hitbox,
5133 viewport_bounds: Bounds<Pixels>,
5134 window: &mut Window,
5135 cx: &mut App,
5136 ) -> Option<Bounds<Pixels>> {
5137 let available_within_viewport = target_bounds.space_within(&viewport_bounds);
5138 let positioned_aside = if available_within_viewport.right >= MENU_ASIDE_MIN_WIDTH
5139 && !must_place_above_or_below
5140 {
5141 let max_width = cmp::min(
5142 available_within_viewport.right - px(1.),
5143 MENU_ASIDE_MAX_WIDTH,
5144 );
5145 let mut aside = self.render_context_menu_aside(
5146 size(max_width, max_height - POPOVER_Y_PADDING),
5147 window,
5148 cx,
5149 )?;
5150 let size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
5151 let right_position = point(target_bounds.right(), menu_bounds.origin.y);
5152 Some((aside, right_position, size))
5153 } else {
5154 let max_size = size(
5155 // TODO(mgsloan): Once the menu is bounded by viewport width the bound on viewport
5156 // won't be needed here.
5157 cmp::min(
5158 cmp::max(menu_bounds.size.width - px(2.), MENU_ASIDE_MIN_WIDTH),
5159 viewport_bounds.right(),
5160 ),
5161 cmp::min(
5162 max_height,
5163 cmp::max(
5164 available_within_viewport.top,
5165 available_within_viewport.bottom,
5166 ),
5167 ) - POPOVER_Y_PADDING,
5168 );
5169 let mut aside = self.render_context_menu_aside(max_size, window, cx)?;
5170 let actual_size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
5171
5172 let top_position = point(
5173 menu_bounds.origin.x,
5174 target_bounds.top() - actual_size.height,
5175 );
5176 let bottom_position = point(menu_bounds.origin.x, target_bounds.bottom());
5177
5178 let fit_within = |available: Edges<Pixels>, wanted: Size<Pixels>| {
5179 // Prefer to fit on the same side of the line as the menu, then on the other side of
5180 // the line.
5181 if !y_flipped && wanted.height < available.bottom {
5182 Some(bottom_position)
5183 } else if !y_flipped && wanted.height < available.top {
5184 Some(top_position)
5185 } else if y_flipped && wanted.height < available.top {
5186 Some(top_position)
5187 } else if y_flipped && wanted.height < available.bottom {
5188 Some(bottom_position)
5189 } else {
5190 None
5191 }
5192 };
5193
5194 // Prefer choosing a direction using max sizes rather than actual size for stability.
5195 let available_within_text = max_target_bounds.space_within(&text_hitbox.bounds);
5196 let wanted = size(MENU_ASIDE_MAX_WIDTH, max_height);
5197 let aside_position = fit_within(available_within_text, wanted)
5198 // Fallback: fit max size in window.
5199 .or_else(|| fit_within(max_target_bounds.space_within(&viewport_bounds), wanted))
5200 // Fallback: fit actual size in window.
5201 .or_else(|| fit_within(available_within_viewport, actual_size));
5202
5203 aside_position.map(|position| (aside, position, actual_size))
5204 };
5205
5206 // Skip drawing if it doesn't fit anywhere.
5207 if let Some((aside, position, size)) = positioned_aside {
5208 let aside_bounds = Bounds::new(position, size);
5209 window.defer_draw(aside, position, 2, None);
5210 return Some(aside_bounds);
5211 }
5212
5213 None
5214 }
5215
5216 fn render_context_menu(
5217 &self,
5218 line_height: Pixels,
5219 height: Pixels,
5220 window: &mut Window,
5221 cx: &mut App,
5222 ) -> Option<AnyElement> {
5223 let max_height_in_lines = ((height - POPOVER_Y_PADDING) / line_height).floor() as u32;
5224 self.editor.update(cx, |editor, cx| {
5225 editor.render_context_menu(max_height_in_lines, window, cx)
5226 })
5227 }
5228
5229 fn render_context_menu_aside(
5230 &self,
5231 max_size: Size<Pixels>,
5232 window: &mut Window,
5233 cx: &mut App,
5234 ) -> Option<AnyElement> {
5235 if max_size.width < px(100.) || max_size.height < px(12.) {
5236 None
5237 } else {
5238 self.editor.update(cx, |editor, cx| {
5239 editor.render_context_menu_aside(max_size, window, cx)
5240 })
5241 }
5242 }
5243
5244 fn layout_mouse_context_menu(
5245 &self,
5246 editor_snapshot: &EditorSnapshot,
5247 visible_range: Range<DisplayRow>,
5248 content_origin: gpui::Point<Pixels>,
5249 window: &mut Window,
5250 cx: &mut App,
5251 ) -> Option<AnyElement> {
5252 let position = self.editor.update(cx, |editor, cx| {
5253 let visible_start_point = editor.display_to_pixel_point(
5254 DisplayPoint::new(visible_range.start, 0),
5255 editor_snapshot,
5256 window,
5257 cx,
5258 )?;
5259 let visible_end_point = editor.display_to_pixel_point(
5260 DisplayPoint::new(visible_range.end, 0),
5261 editor_snapshot,
5262 window,
5263 cx,
5264 )?;
5265
5266 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
5267 let (source_display_point, position) = match mouse_context_menu.position {
5268 MenuPosition::PinnedToScreen(point) => (None, point),
5269 MenuPosition::PinnedToEditor { source, offset } => {
5270 let source_display_point = source.to_display_point(editor_snapshot);
5271 let source_point =
5272 editor.to_pixel_point(source, editor_snapshot, window, cx)?;
5273 let position = content_origin + source_point + offset;
5274 (Some(source_display_point), position)
5275 }
5276 };
5277
5278 let source_included = source_display_point.is_none_or(|source_display_point| {
5279 visible_range
5280 .to_inclusive()
5281 .contains(&source_display_point.row())
5282 });
5283 let position_included =
5284 visible_start_point.y <= position.y && position.y <= visible_end_point.y;
5285 if !source_included && !position_included {
5286 None
5287 } else {
5288 Some(position)
5289 }
5290 })?;
5291
5292 let text_style = TextStyleRefinement {
5293 line_height: Some(DefiniteLength::Fraction(
5294 BufferLineHeight::Comfortable.value(),
5295 )),
5296 ..Default::default()
5297 };
5298 window.with_text_style(Some(text_style), |window| {
5299 let mut element = self.editor.read_with(cx, |editor, _| {
5300 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
5301 let context_menu = mouse_context_menu.context_menu.clone();
5302
5303 Some(
5304 deferred(
5305 anchored()
5306 .position(position)
5307 .child(context_menu)
5308 .anchor(Corner::TopLeft)
5309 .snap_to_window_with_margin(px(8.)),
5310 )
5311 .with_priority(1)
5312 .into_any(),
5313 )
5314 })?;
5315
5316 element.prepaint_as_root(position, AvailableSpace::min_size(), window, cx);
5317 Some(element)
5318 })
5319 }
5320
5321 fn layout_hover_popovers(
5322 &self,
5323 snapshot: &EditorSnapshot,
5324 hitbox: &Hitbox,
5325 visible_display_row_range: Range<DisplayRow>,
5326 content_origin: gpui::Point<Pixels>,
5327 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5328 line_layouts: &[LineWithInvisibles],
5329 line_height: Pixels,
5330 em_width: Pixels,
5331 context_menu_layout: Option<ContextMenuLayout>,
5332 window: &mut Window,
5333 cx: &mut App,
5334 ) {
5335 struct MeasuredHoverPopover {
5336 element: AnyElement,
5337 size: Size<Pixels>,
5338 horizontal_offset: Pixels,
5339 }
5340
5341 let max_size = size(
5342 (120. * em_width) // Default size
5343 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5344 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5345 (16. * line_height) // Default size
5346 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5347 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5348 );
5349
5350 // Don't show hover popovers when context menu is open to avoid overlap
5351 let has_context_menu = self.editor.read(cx).mouse_context_menu.is_some();
5352 if has_context_menu {
5353 return;
5354 }
5355
5356 let hover_popovers = self.editor.update(cx, |editor, cx| {
5357 editor.hover_state.render(
5358 snapshot,
5359 visible_display_row_range.clone(),
5360 max_size,
5361 &editor.text_layout_details(window, cx),
5362 window,
5363 cx,
5364 )
5365 });
5366 let Some((popover_position, hover_popovers)) = hover_popovers else {
5367 return;
5368 };
5369
5370 // This is safe because we check on layout whether the required row is available
5371 let hovered_row_layout = &line_layouts[popover_position
5372 .row()
5373 .minus(visible_display_row_range.start)
5374 as usize];
5375
5376 // Compute Hovered Point
5377 let x = hovered_row_layout.x_for_index(popover_position.column() as usize)
5378 - Pixels::from(scroll_pixel_position.x);
5379 let y = Pixels::from(
5380 popover_position.row().as_f64() * ScrollPixelOffset::from(line_height)
5381 - scroll_pixel_position.y,
5382 );
5383 let hovered_point = content_origin + point(x, y);
5384
5385 let mut overall_height = Pixels::ZERO;
5386 let mut measured_hover_popovers = Vec::new();
5387 for (position, mut hover_popover) in hover_popovers.into_iter().with_position() {
5388 let size = hover_popover.layout_as_root(AvailableSpace::min_size(), window, cx);
5389 let horizontal_offset =
5390 (hitbox.top_right().x - POPOVER_RIGHT_OFFSET - (hovered_point.x + size.width))
5391 .min(Pixels::ZERO);
5392 match position {
5393 itertools::Position::Middle | itertools::Position::Last => {
5394 overall_height += HOVER_POPOVER_GAP
5395 }
5396 _ => {}
5397 }
5398 overall_height += size.height;
5399 measured_hover_popovers.push(MeasuredHoverPopover {
5400 element: hover_popover,
5401 size,
5402 horizontal_offset,
5403 });
5404 }
5405
5406 fn draw_occluder(
5407 width: Pixels,
5408 origin: gpui::Point<Pixels>,
5409 window: &mut Window,
5410 cx: &mut App,
5411 ) {
5412 let mut occlusion = div()
5413 .size_full()
5414 .occlude()
5415 .on_mouse_move(|_, _, cx| cx.stop_propagation())
5416 .into_any_element();
5417 occlusion.layout_as_root(size(width, HOVER_POPOVER_GAP).into(), window, cx);
5418 window.defer_draw(occlusion, origin, 2, None);
5419 }
5420
5421 fn place_popovers_above(
5422 hovered_point: gpui::Point<Pixels>,
5423 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5424 window: &mut Window,
5425 cx: &mut App,
5426 ) {
5427 let mut current_y = hovered_point.y;
5428 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5429 let size = popover.size;
5430 let popover_origin = point(
5431 hovered_point.x + popover.horizontal_offset,
5432 current_y - size.height,
5433 );
5434
5435 window.defer_draw(popover.element, popover_origin, 2, None);
5436 if position != itertools::Position::Last {
5437 let origin = point(popover_origin.x, popover_origin.y - HOVER_POPOVER_GAP);
5438 draw_occluder(size.width, origin, window, cx);
5439 }
5440
5441 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5442 }
5443 }
5444
5445 fn place_popovers_below(
5446 hovered_point: gpui::Point<Pixels>,
5447 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5448 line_height: Pixels,
5449 window: &mut Window,
5450 cx: &mut App,
5451 ) {
5452 let mut current_y = hovered_point.y + line_height;
5453 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5454 let size = popover.size;
5455 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5456
5457 window.defer_draw(popover.element, popover_origin, 2, None);
5458 if position != itertools::Position::Last {
5459 let origin = point(popover_origin.x, popover_origin.y + size.height);
5460 draw_occluder(size.width, origin, window, cx);
5461 }
5462
5463 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5464 }
5465 }
5466
5467 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5468 context_menu_layout
5469 .as_ref()
5470 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5471 };
5472
5473 let can_place_above = {
5474 let mut bounds_above = Vec::new();
5475 let mut current_y = hovered_point.y;
5476 for popover in &measured_hover_popovers {
5477 let size = popover.size;
5478 let popover_origin = point(
5479 hovered_point.x + popover.horizontal_offset,
5480 current_y - size.height,
5481 );
5482 bounds_above.push(Bounds::new(popover_origin, size));
5483 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5484 }
5485 bounds_above
5486 .iter()
5487 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5488 };
5489
5490 let can_place_below = || {
5491 let mut bounds_below = Vec::new();
5492 let mut current_y = hovered_point.y + line_height;
5493 for popover in &measured_hover_popovers {
5494 let size = popover.size;
5495 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5496 bounds_below.push(Bounds::new(popover_origin, size));
5497 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5498 }
5499 bounds_below
5500 .iter()
5501 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5502 };
5503
5504 if can_place_above {
5505 // try placing above hovered point
5506 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5507 } else if can_place_below() {
5508 // try placing below hovered point
5509 place_popovers_below(
5510 hovered_point,
5511 measured_hover_popovers,
5512 line_height,
5513 window,
5514 cx,
5515 );
5516 } else {
5517 // try to place popovers around the context menu
5518 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5519 let total_width = measured_hover_popovers
5520 .iter()
5521 .map(|p| p.size.width)
5522 .max()
5523 .unwrap_or(Pixels::ZERO);
5524 let y_for_horizontal_positioning = if menu.y_flipped {
5525 menu.bounds.bottom() - overall_height
5526 } else {
5527 menu.bounds.top()
5528 };
5529 let possible_origins = vec![
5530 // left of context menu
5531 point(
5532 menu.bounds.left() - total_width - HOVER_POPOVER_GAP,
5533 y_for_horizontal_positioning,
5534 ),
5535 // right of context menu
5536 point(
5537 menu.bounds.right() + HOVER_POPOVER_GAP,
5538 y_for_horizontal_positioning,
5539 ),
5540 // top of context menu
5541 point(
5542 menu.bounds.left(),
5543 menu.bounds.top() - overall_height - HOVER_POPOVER_GAP,
5544 ),
5545 // bottom of context menu
5546 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5547 ];
5548 possible_origins.into_iter().find(|&origin| {
5549 Bounds::new(origin, size(total_width, overall_height))
5550 .is_contained_within(hitbox)
5551 })
5552 });
5553 if let Some(origin) = origin_surrounding_menu {
5554 let mut current_y = origin.y;
5555 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5556 let size = popover.size;
5557 let popover_origin = point(origin.x, current_y);
5558
5559 window.defer_draw(popover.element, popover_origin, 2, None);
5560 if position != itertools::Position::Last {
5561 let origin = point(popover_origin.x, popover_origin.y + size.height);
5562 draw_occluder(size.width, origin, window, cx);
5563 }
5564
5565 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5566 }
5567 } else {
5568 // fallback to existing above/below cursor logic
5569 // this might overlap menu or overflow in rare case
5570 if can_place_above {
5571 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5572 } else {
5573 place_popovers_below(
5574 hovered_point,
5575 measured_hover_popovers,
5576 line_height,
5577 window,
5578 cx,
5579 );
5580 }
5581 }
5582 }
5583 }
5584
5585 fn layout_word_diff_highlights(
5586 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
5587 row_infos: &[RowInfo],
5588 start_row: DisplayRow,
5589 snapshot: &EditorSnapshot,
5590 highlighted_ranges: &mut Vec<(Range<DisplayPoint>, Hsla)>,
5591 cx: &mut App,
5592 ) {
5593 let colors = cx.theme().colors();
5594
5595 let word_highlights = display_hunks
5596 .into_iter()
5597 .filter_map(|(hunk, _)| match hunk {
5598 DisplayDiffHunk::Unfolded {
5599 word_diffs, status, ..
5600 } => Some((word_diffs, status)),
5601 _ => None,
5602 })
5603 .filter(|(_, status)| status.is_modified())
5604 .flat_map(|(word_diffs, _)| word_diffs)
5605 .flat_map(|word_diff| {
5606 let display_ranges = snapshot
5607 .display_snapshot
5608 .isomorphic_display_point_ranges_for_buffer_range(
5609 word_diff.start..word_diff.end,
5610 );
5611
5612 display_ranges.into_iter().filter_map(|range| {
5613 let start_row_offset = range.start.row().0.saturating_sub(start_row.0) as usize;
5614
5615 let diff_status = row_infos
5616 .get(start_row_offset)
5617 .and_then(|row_info| row_info.diff_status)?;
5618
5619 let background_color = match diff_status.kind {
5620 DiffHunkStatusKind::Added => colors.version_control_word_added,
5621 DiffHunkStatusKind::Deleted => colors.version_control_word_deleted,
5622 DiffHunkStatusKind::Modified => {
5623 debug_panic!("modified diff status for row info");
5624 return None;
5625 }
5626 };
5627
5628 Some((range, background_color))
5629 })
5630 });
5631
5632 highlighted_ranges.extend(word_highlights);
5633 }
5634
5635 fn layout_diff_hunk_controls(
5636 &self,
5637 row_range: Range<DisplayRow>,
5638 row_infos: &[RowInfo],
5639 text_hitbox: &Hitbox,
5640 newest_cursor_row: Option<DisplayRow>,
5641 line_height: Pixels,
5642 right_margin: Pixels,
5643 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5644 sticky_header_height: Pixels,
5645 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
5646 highlighted_rows: &BTreeMap<DisplayRow, LineHighlight>,
5647 editor: Entity<Editor>,
5648 window: &mut Window,
5649 cx: &mut App,
5650 ) -> (Vec<AnyElement>, Vec<(DisplayRow, Bounds<Pixels>)>) {
5651 let render_diff_hunk_controls = editor.read(cx).render_diff_hunk_controls.clone();
5652 let hovered_diff_hunk_row = editor.read(cx).hovered_diff_hunk_row;
5653 let sticky_top = text_hitbox.bounds.top() + sticky_header_height;
5654
5655 let mut controls = vec![];
5656 let mut control_bounds = vec![];
5657
5658 let active_rows = [hovered_diff_hunk_row, newest_cursor_row];
5659
5660 for (hunk, _) in display_hunks {
5661 if let DisplayDiffHunk::Unfolded {
5662 display_row_range,
5663 multi_buffer_range,
5664 status,
5665 is_created_file,
5666 ..
5667 } = &hunk
5668 {
5669 if display_row_range.start >= row_range.end {
5670 // hunk is fully below the viewport
5671 continue;
5672 }
5673 if display_row_range.end <= row_range.start {
5674 // hunk is fully above the viewport
5675 continue;
5676 }
5677 let row_ix = display_row_range.start.0.saturating_sub(row_range.start.0);
5678 if row_infos
5679 .get(row_ix as usize)
5680 .and_then(|row_info| row_info.diff_status)
5681 .is_none()
5682 {
5683 continue;
5684 }
5685 if highlighted_rows
5686 .get(&display_row_range.start)
5687 .and_then(|highlight| highlight.type_id)
5688 .is_some_and(|type_id| {
5689 [
5690 TypeId::of::<ConflictsOuter>(),
5691 TypeId::of::<ConflictsOursMarker>(),
5692 TypeId::of::<ConflictsOurs>(),
5693 TypeId::of::<ConflictsTheirs>(),
5694 TypeId::of::<ConflictsTheirsMarker>(),
5695 ]
5696 .contains(&type_id)
5697 })
5698 {
5699 continue;
5700 }
5701
5702 if active_rows
5703 .iter()
5704 .any(|row| row.is_some_and(|row| display_row_range.contains(&row)))
5705 {
5706 let hunk_start_y: Pixels = (display_row_range.start.as_f64()
5707 * ScrollPixelOffset::from(line_height)
5708 + ScrollPixelOffset::from(text_hitbox.bounds.top())
5709 - scroll_pixel_position.y)
5710 .into();
5711
5712 let y: Pixels = if hunk_start_y >= sticky_top {
5713 hunk_start_y
5714 } else {
5715 let hunk_end_y: Pixels = hunk_start_y
5716 + (display_row_range.len() as f64
5717 * ScrollPixelOffset::from(line_height))
5718 .into();
5719 let max_y = hunk_end_y - line_height;
5720 sticky_top.min(max_y)
5721 };
5722
5723 let mut element = render_diff_hunk_controls(
5724 display_row_range.start.0,
5725 status,
5726 multi_buffer_range.clone(),
5727 *is_created_file,
5728 line_height,
5729 &editor,
5730 window,
5731 cx,
5732 );
5733 let size =
5734 element.layout_as_root(size(px(100.0), line_height).into(), window, cx);
5735
5736 let x = text_hitbox.bounds.right() - right_margin - px(10.) - size.width;
5737
5738 if x < text_hitbox.bounds.left() {
5739 continue;
5740 }
5741
5742 let bounds = Bounds::new(gpui::Point::new(x, y), size);
5743 control_bounds.push((display_row_range.start, bounds));
5744
5745 window.with_absolute_element_offset(gpui::Point::new(x, y), |window| {
5746 element.prepaint(window, cx)
5747 });
5748 controls.push(element);
5749 }
5750 }
5751 }
5752
5753 (controls, control_bounds)
5754 }
5755
5756 fn layout_signature_help(
5757 &self,
5758 hitbox: &Hitbox,
5759 content_origin: gpui::Point<Pixels>,
5760 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5761 newest_selection_head: Option<DisplayPoint>,
5762 start_row: DisplayRow,
5763 line_layouts: &[LineWithInvisibles],
5764 line_height: Pixels,
5765 em_width: Pixels,
5766 context_menu_layout: Option<ContextMenuLayout>,
5767 window: &mut Window,
5768 cx: &mut App,
5769 ) {
5770 if !self.editor.focus_handle(cx).is_focused(window) {
5771 return;
5772 }
5773 let Some(newest_selection_head) = newest_selection_head else {
5774 return;
5775 };
5776
5777 let max_size = size(
5778 (120. * em_width) // Default size
5779 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5780 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5781 (16. * line_height) // Default size
5782 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5783 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5784 );
5785
5786 let maybe_element = self.editor.update(cx, |editor, cx| {
5787 if let Some(popover) = editor.signature_help_state.popover_mut() {
5788 let element = popover.render(max_size, window, cx);
5789 Some(element)
5790 } else {
5791 None
5792 }
5793 });
5794 let Some(mut element) = maybe_element else {
5795 return;
5796 };
5797
5798 let selection_row = newest_selection_head.row();
5799 let Some(cursor_row_layout) = (selection_row >= start_row)
5800 .then(|| line_layouts.get(selection_row.minus(start_row) as usize))
5801 .flatten()
5802 else {
5803 return;
5804 };
5805
5806 let target_x = cursor_row_layout.x_for_index(newest_selection_head.column() as usize)
5807 - Pixels::from(scroll_pixel_position.x);
5808 let target_y = Pixels::from(
5809 selection_row.as_f64() * ScrollPixelOffset::from(line_height) - scroll_pixel_position.y,
5810 );
5811 let target_point = content_origin + point(target_x, target_y);
5812
5813 let actual_size = element.layout_as_root(Size::<AvailableSpace>::default(), window, cx);
5814
5815 let (popover_bounds_above, popover_bounds_below) = {
5816 let horizontal_offset = (hitbox.top_right().x
5817 - POPOVER_RIGHT_OFFSET
5818 - (target_point.x + actual_size.width))
5819 .min(Pixels::ZERO);
5820 let initial_x = target_point.x + horizontal_offset;
5821 (
5822 Bounds::new(
5823 point(initial_x, target_point.y - actual_size.height),
5824 actual_size,
5825 ),
5826 Bounds::new(
5827 point(initial_x, target_point.y + line_height + HOVER_POPOVER_GAP),
5828 actual_size,
5829 ),
5830 )
5831 };
5832
5833 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5834 context_menu_layout
5835 .as_ref()
5836 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5837 };
5838
5839 let final_origin = if popover_bounds_above.is_contained_within(hitbox)
5840 && !intersects_menu(popover_bounds_above)
5841 {
5842 // try placing above cursor
5843 popover_bounds_above.origin
5844 } else if popover_bounds_below.is_contained_within(hitbox)
5845 && !intersects_menu(popover_bounds_below)
5846 {
5847 // try placing below cursor
5848 popover_bounds_below.origin
5849 } else {
5850 // try surrounding context menu if exists
5851 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5852 let y_for_horizontal_positioning = if menu.y_flipped {
5853 menu.bounds.bottom() - actual_size.height
5854 } else {
5855 menu.bounds.top()
5856 };
5857 let possible_origins = vec![
5858 // left of context menu
5859 point(
5860 menu.bounds.left() - actual_size.width - HOVER_POPOVER_GAP,
5861 y_for_horizontal_positioning,
5862 ),
5863 // right of context menu
5864 point(
5865 menu.bounds.right() + HOVER_POPOVER_GAP,
5866 y_for_horizontal_positioning,
5867 ),
5868 // top of context menu
5869 point(
5870 menu.bounds.left(),
5871 menu.bounds.top() - actual_size.height - HOVER_POPOVER_GAP,
5872 ),
5873 // bottom of context menu
5874 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5875 ];
5876 possible_origins
5877 .into_iter()
5878 .find(|&origin| Bounds::new(origin, actual_size).is_contained_within(hitbox))
5879 });
5880 origin_surrounding_menu.unwrap_or_else(|| {
5881 // fallback to existing above/below cursor logic
5882 // this might overlap menu or overflow in rare case
5883 if popover_bounds_above.is_contained_within(hitbox) {
5884 popover_bounds_above.origin
5885 } else {
5886 popover_bounds_below.origin
5887 }
5888 })
5889 };
5890
5891 window.defer_draw(element, final_origin, 2, None);
5892 }
5893
5894 fn paint_background(&self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
5895 window.paint_layer(layout.hitbox.bounds, |window| {
5896 let scroll_top = layout.position_map.snapshot.scroll_position().y;
5897 let gutter_bg = cx.theme().colors().editor_gutter_background;
5898 window.paint_quad(fill(layout.gutter_hitbox.bounds, gutter_bg));
5899 window.paint_quad(fill(
5900 layout.position_map.text_hitbox.bounds,
5901 self.style.background,
5902 ));
5903
5904 if matches!(
5905 layout.mode,
5906 EditorMode::Full { .. } | EditorMode::Minimap { .. }
5907 ) {
5908 let show_active_line_background = match layout.mode {
5909 EditorMode::Full {
5910 show_active_line_background,
5911 ..
5912 } => show_active_line_background,
5913 EditorMode::Minimap { .. } => true,
5914 _ => false,
5915 };
5916 let mut active_rows = layout.active_rows.iter().peekable();
5917 while let Some((start_row, contains_non_empty_selection)) = active_rows.next() {
5918 let mut end_row = start_row.0;
5919 while active_rows
5920 .peek()
5921 .is_some_and(|(active_row, has_selection)| {
5922 active_row.0 == end_row + 1
5923 && has_selection.selection == contains_non_empty_selection.selection
5924 })
5925 {
5926 active_rows.next().unwrap();
5927 end_row += 1;
5928 }
5929
5930 if show_active_line_background && !contains_non_empty_selection.selection {
5931 let highlight_h_range =
5932 match layout.position_map.snapshot.current_line_highlight {
5933 CurrentLineHighlight::Gutter => Some(Range {
5934 start: layout.hitbox.left(),
5935 end: layout.gutter_hitbox.right(),
5936 }),
5937 CurrentLineHighlight::Line => Some(Range {
5938 start: layout.position_map.text_hitbox.bounds.left(),
5939 end: layout.position_map.text_hitbox.bounds.right(),
5940 }),
5941 CurrentLineHighlight::All => Some(Range {
5942 start: layout.hitbox.left(),
5943 end: layout.hitbox.right(),
5944 }),
5945 CurrentLineHighlight::None => None,
5946 };
5947 if let Some(range) = highlight_h_range {
5948 let active_line_bg = cx.theme().colors().editor_active_line_background;
5949 let bounds = Bounds {
5950 origin: point(
5951 range.start,
5952 layout.hitbox.origin.y
5953 + Pixels::from(
5954 (start_row.as_f64() - scroll_top)
5955 * ScrollPixelOffset::from(
5956 layout.position_map.line_height,
5957 ),
5958 ),
5959 ),
5960 size: size(
5961 range.end - range.start,
5962 layout.position_map.line_height
5963 * (end_row - start_row.0 + 1) as f32,
5964 ),
5965 };
5966 window.paint_quad(fill(bounds, active_line_bg));
5967 }
5968 }
5969 }
5970
5971 let mut paint_highlight = |highlight_row_start: DisplayRow,
5972 highlight_row_end: DisplayRow,
5973 highlight: crate::LineHighlight,
5974 edges| {
5975 let mut origin_x = layout.hitbox.left();
5976 let mut width = layout.hitbox.size.width;
5977 if !highlight.include_gutter {
5978 origin_x += layout.gutter_hitbox.size.width;
5979 width -= layout.gutter_hitbox.size.width;
5980 }
5981
5982 let origin = point(
5983 origin_x,
5984 layout.hitbox.origin.y
5985 + Pixels::from(
5986 (highlight_row_start.as_f64() - scroll_top)
5987 * ScrollPixelOffset::from(layout.position_map.line_height),
5988 ),
5989 );
5990 let size = size(
5991 width,
5992 layout.position_map.line_height
5993 * highlight_row_end.next_row().minus(highlight_row_start) as f32,
5994 );
5995 let mut quad = fill(Bounds { origin, size }, highlight.background);
5996 if let Some(border_color) = highlight.border {
5997 quad.border_color = border_color;
5998 quad.border_widths = edges
5999 }
6000 window.paint_quad(quad);
6001 };
6002
6003 let mut current_paint: Option<(LineHighlight, Range<DisplayRow>, Edges<Pixels>)> =
6004 None;
6005 for (&new_row, &new_background) in &layout.highlighted_rows {
6006 match &mut current_paint {
6007 &mut Some((current_background, ref mut current_range, mut edges)) => {
6008 let new_range_started = current_background != new_background
6009 || current_range.end.next_row() != new_row;
6010 if new_range_started {
6011 if current_range.end.next_row() == new_row {
6012 edges.bottom = px(0.);
6013 };
6014 paint_highlight(
6015 current_range.start,
6016 current_range.end,
6017 current_background,
6018 edges,
6019 );
6020 let edges = Edges {
6021 top: if current_range.end.next_row() != new_row {
6022 px(1.)
6023 } else {
6024 px(0.)
6025 },
6026 bottom: px(1.),
6027 ..Default::default()
6028 };
6029 current_paint = Some((new_background, new_row..new_row, edges));
6030 continue;
6031 } else {
6032 current_range.end = current_range.end.next_row();
6033 }
6034 }
6035 None => {
6036 let edges = Edges {
6037 top: px(1.),
6038 bottom: px(1.),
6039 ..Default::default()
6040 };
6041 current_paint = Some((new_background, new_row..new_row, edges))
6042 }
6043 };
6044 }
6045 if let Some((color, range, edges)) = current_paint {
6046 paint_highlight(range.start, range.end, color, edges);
6047 }
6048
6049 for (guide_x, active) in layout.wrap_guides.iter() {
6050 let color = if *active {
6051 cx.theme().colors().editor_active_wrap_guide
6052 } else {
6053 cx.theme().colors().editor_wrap_guide
6054 };
6055 window.paint_quad(fill(
6056 Bounds {
6057 origin: point(*guide_x, layout.position_map.text_hitbox.origin.y),
6058 size: size(px(1.), layout.position_map.text_hitbox.size.height),
6059 },
6060 color,
6061 ));
6062 }
6063 }
6064 })
6065 }
6066
6067 fn paint_indent_guides(
6068 &mut self,
6069 layout: &mut EditorLayout,
6070 window: &mut Window,
6071 cx: &mut App,
6072 ) {
6073 let Some(indent_guides) = &layout.indent_guides else {
6074 return;
6075 };
6076
6077 let faded_color = |color: Hsla, alpha: f32| {
6078 let mut faded = color;
6079 faded.a = alpha;
6080 faded
6081 };
6082
6083 for indent_guide in indent_guides {
6084 let indent_accent_colors = cx.theme().accents().color_for_index(indent_guide.depth);
6085 let settings = &indent_guide.settings;
6086
6087 // TODO fixed for now, expose them through themes later
6088 const INDENT_AWARE_ALPHA: f32 = 0.2;
6089 const INDENT_AWARE_ACTIVE_ALPHA: f32 = 0.4;
6090 const INDENT_AWARE_BACKGROUND_ALPHA: f32 = 0.1;
6091 const INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA: f32 = 0.2;
6092
6093 let line_color = match (settings.coloring, indent_guide.active) {
6094 (IndentGuideColoring::Disabled, _) => None,
6095 (IndentGuideColoring::Fixed, false) => {
6096 Some(cx.theme().colors().editor_indent_guide)
6097 }
6098 (IndentGuideColoring::Fixed, true) => {
6099 Some(cx.theme().colors().editor_indent_guide_active)
6100 }
6101 (IndentGuideColoring::IndentAware, false) => {
6102 Some(faded_color(indent_accent_colors, INDENT_AWARE_ALPHA))
6103 }
6104 (IndentGuideColoring::IndentAware, true) => {
6105 Some(faded_color(indent_accent_colors, INDENT_AWARE_ACTIVE_ALPHA))
6106 }
6107 };
6108
6109 let background_color = match (settings.background_coloring, indent_guide.active) {
6110 (IndentGuideBackgroundColoring::Disabled, _) => None,
6111 (IndentGuideBackgroundColoring::IndentAware, false) => Some(faded_color(
6112 indent_accent_colors,
6113 INDENT_AWARE_BACKGROUND_ALPHA,
6114 )),
6115 (IndentGuideBackgroundColoring::IndentAware, true) => Some(faded_color(
6116 indent_accent_colors,
6117 INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA,
6118 )),
6119 };
6120
6121 let mut line_indicator_width = 0.;
6122 if let Some(requested_line_width) = settings.visible_line_width(indent_guide.active) {
6123 if let Some(color) = line_color {
6124 window.paint_quad(fill(
6125 Bounds {
6126 origin: indent_guide.origin,
6127 size: size(px(requested_line_width as f32), indent_guide.length),
6128 },
6129 color,
6130 ));
6131 line_indicator_width = requested_line_width as f32;
6132 }
6133 }
6134
6135 if let Some(color) = background_color {
6136 let width = indent_guide.single_indent_width - px(line_indicator_width);
6137 window.paint_quad(fill(
6138 Bounds {
6139 origin: point(
6140 indent_guide.origin.x + px(line_indicator_width),
6141 indent_guide.origin.y,
6142 ),
6143 size: size(width, indent_guide.length),
6144 },
6145 color,
6146 ));
6147 }
6148 }
6149 }
6150
6151 fn paint_line_numbers(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6152 let is_singleton = self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
6153
6154 let line_height = layout.position_map.line_height;
6155 window.set_cursor_style(CursorStyle::Arrow, &layout.gutter_hitbox);
6156
6157 for line_layout in layout.line_numbers.values() {
6158 for LineNumberSegment {
6159 shaped_line,
6160 hitbox,
6161 } in &line_layout.segments
6162 {
6163 let Some(hitbox) = hitbox else {
6164 continue;
6165 };
6166
6167 let Some(()) = (if !is_singleton && hitbox.is_hovered(window) {
6168 let color = cx.theme().colors().editor_hover_line_number;
6169
6170 let line = self.shape_line_number(shaped_line.text.clone(), color, window);
6171 line.paint(
6172 hitbox.origin,
6173 line_height,
6174 TextAlign::Left,
6175 None,
6176 window,
6177 cx,
6178 )
6179 .log_err()
6180 } else {
6181 shaped_line
6182 .paint(
6183 hitbox.origin,
6184 line_height,
6185 TextAlign::Left,
6186 None,
6187 window,
6188 cx,
6189 )
6190 .log_err()
6191 }) else {
6192 continue;
6193 };
6194
6195 // In singleton buffers, we select corresponding lines on the line number click, so use | -like cursor.
6196 // In multi buffers, we open file at the line number clicked, so use a pointing hand cursor.
6197 if is_singleton {
6198 window.set_cursor_style(CursorStyle::IBeam, hitbox);
6199 } else {
6200 window.set_cursor_style(CursorStyle::PointingHand, hitbox);
6201 }
6202 }
6203 }
6204 }
6205
6206 fn paint_gutter_diff_hunks(
6207 layout: &mut EditorLayout,
6208 split_side: Option<SplitSide>,
6209 window: &mut Window,
6210 cx: &mut App,
6211 ) {
6212 if layout.display_hunks.is_empty() {
6213 return;
6214 }
6215
6216 let line_height = layout.position_map.line_height;
6217 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6218 for (hunk, hitbox) in &layout.display_hunks {
6219 let hunk_to_paint = match hunk {
6220 DisplayDiffHunk::Folded { .. } => {
6221 let hunk_bounds = Self::diff_hunk_bounds(
6222 &layout.position_map.snapshot,
6223 line_height,
6224 layout.gutter_hitbox.bounds,
6225 hunk,
6226 );
6227 Some((
6228 hunk_bounds,
6229 cx.theme().colors().version_control_modified,
6230 Corners::all(px(0.)),
6231 DiffHunkStatus::modified_none(),
6232 ))
6233 }
6234 DisplayDiffHunk::Unfolded {
6235 status,
6236 display_row_range,
6237 ..
6238 } => hitbox.as_ref().map(|hunk_hitbox| {
6239 let color = match split_side {
6240 Some(SplitSide::Left) => cx.theme().colors().version_control_deleted,
6241 Some(SplitSide::Right) => cx.theme().colors().version_control_added,
6242 None => match status.kind {
6243 DiffHunkStatusKind::Added => {
6244 cx.theme().colors().version_control_added
6245 }
6246 DiffHunkStatusKind::Modified => {
6247 cx.theme().colors().version_control_modified
6248 }
6249 DiffHunkStatusKind::Deleted => {
6250 cx.theme().colors().version_control_deleted
6251 }
6252 },
6253 };
6254 match status.kind {
6255 DiffHunkStatusKind::Deleted if display_row_range.is_empty() => (
6256 Bounds::new(
6257 point(
6258 hunk_hitbox.origin.x - hunk_hitbox.size.width,
6259 hunk_hitbox.origin.y,
6260 ),
6261 size(hunk_hitbox.size.width * 2., hunk_hitbox.size.height),
6262 ),
6263 color,
6264 Corners::all(1. * line_height),
6265 *status,
6266 ),
6267 _ => (hunk_hitbox.bounds, color, Corners::all(px(0.)), *status),
6268 }
6269 }),
6270 };
6271
6272 if let Some((hunk_bounds, background_color, corner_radii, status)) = hunk_to_paint {
6273 // Flatten the background color with the editor color to prevent
6274 // elements below transparent hunks from showing through
6275 let flattened_background_color = cx
6276 .theme()
6277 .colors()
6278 .editor_background
6279 .blend(background_color);
6280
6281 if !Self::diff_hunk_hollow(status, cx) {
6282 window.paint_quad(quad(
6283 hunk_bounds,
6284 corner_radii,
6285 flattened_background_color,
6286 Edges::default(),
6287 transparent_black(),
6288 BorderStyle::default(),
6289 ));
6290 } else {
6291 let flattened_unstaged_background_color = cx
6292 .theme()
6293 .colors()
6294 .editor_background
6295 .blend(background_color.opacity(0.3));
6296
6297 window.paint_quad(quad(
6298 hunk_bounds,
6299 corner_radii,
6300 flattened_unstaged_background_color,
6301 Edges::all(px(1.0)),
6302 flattened_background_color,
6303 BorderStyle::Solid,
6304 ));
6305 }
6306 }
6307 }
6308 });
6309 }
6310
6311 fn gutter_strip_width(line_height: Pixels) -> Pixels {
6312 (0.275 * line_height).floor()
6313 }
6314
6315 fn diff_hunk_bounds(
6316 snapshot: &EditorSnapshot,
6317 line_height: Pixels,
6318 gutter_bounds: Bounds<Pixels>,
6319 hunk: &DisplayDiffHunk,
6320 ) -> Bounds<Pixels> {
6321 let scroll_position = snapshot.scroll_position();
6322 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
6323 let gutter_strip_width = Self::gutter_strip_width(line_height);
6324
6325 match hunk {
6326 DisplayDiffHunk::Folded { display_row, .. } => {
6327 let start_y = (display_row.as_f64() * ScrollPixelOffset::from(line_height)
6328 - scroll_top)
6329 .into();
6330 let end_y = start_y + line_height;
6331 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6332 let highlight_size = size(gutter_strip_width, end_y - start_y);
6333 Bounds::new(highlight_origin, highlight_size)
6334 }
6335 DisplayDiffHunk::Unfolded {
6336 display_row_range,
6337 status,
6338 ..
6339 } => {
6340 if status.is_deleted() && display_row_range.is_empty() {
6341 let row = display_row_range.start;
6342
6343 let offset = ScrollPixelOffset::from(line_height / 2.);
6344 let start_y =
6345 (row.as_f64() * ScrollPixelOffset::from(line_height) - offset - scroll_top)
6346 .into();
6347 let end_y = start_y + line_height;
6348
6349 let width = (0.35 * line_height).floor();
6350 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6351 let highlight_size = size(width, end_y - start_y);
6352 Bounds::new(highlight_origin, highlight_size)
6353 } else {
6354 let start_row = display_row_range.start;
6355 let end_row = display_row_range.end;
6356 // If we're in a multibuffer, row range span might include an
6357 // excerpt header, so if we were to draw the marker straight away,
6358 // the hunk might include the rows of that header.
6359 // Making the range inclusive doesn't quite cut it, as we rely on the exclusivity for the soft wrap.
6360 // Instead, we simply check whether the range we're dealing with includes
6361 // any excerpt headers and if so, we stop painting the diff hunk on the first row of that header.
6362 let end_row_in_current_excerpt = snapshot
6363 .blocks_in_range(start_row..end_row)
6364 .find_map(|(start_row, block)| {
6365 if matches!(
6366 block,
6367 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
6368 ) {
6369 Some(start_row)
6370 } else {
6371 None
6372 }
6373 })
6374 .unwrap_or(end_row);
6375
6376 let start_y = (start_row.as_f64() * ScrollPixelOffset::from(line_height)
6377 - scroll_top)
6378 .into();
6379 let end_y = Pixels::from(
6380 end_row_in_current_excerpt.as_f64() * ScrollPixelOffset::from(line_height)
6381 - scroll_top,
6382 );
6383
6384 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6385 let highlight_size = size(gutter_strip_width, end_y - start_y);
6386 Bounds::new(highlight_origin, highlight_size)
6387 }
6388 }
6389 }
6390 }
6391
6392 fn paint_gutter_indicators(
6393 &self,
6394 layout: &mut EditorLayout,
6395 window: &mut Window,
6396 cx: &mut App,
6397 ) {
6398 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6399 window.with_element_namespace("crease_toggles", |window| {
6400 for crease_toggle in layout.crease_toggles.iter_mut().flatten() {
6401 crease_toggle.paint(window, cx);
6402 }
6403 });
6404
6405 window.with_element_namespace("expand_toggles", |window| {
6406 for (expand_toggle, _) in layout.expand_toggles.iter_mut().flatten() {
6407 expand_toggle.paint(window, cx);
6408 }
6409 });
6410
6411 for breakpoint in layout.breakpoints.iter_mut() {
6412 breakpoint.paint(window, cx);
6413 }
6414
6415 for test_indicator in layout.test_indicators.iter_mut() {
6416 test_indicator.paint(window, cx);
6417 }
6418
6419 if let Some(diff_review_button) = layout.diff_review_button.as_mut() {
6420 diff_review_button.paint(window, cx);
6421 }
6422 });
6423 }
6424
6425 fn paint_gutter_highlights(
6426 &self,
6427 layout: &mut EditorLayout,
6428 window: &mut Window,
6429 cx: &mut App,
6430 ) {
6431 for (_, hunk_hitbox) in &layout.display_hunks {
6432 if let Some(hunk_hitbox) = hunk_hitbox
6433 && !self
6434 .editor
6435 .read(cx)
6436 .buffer()
6437 .read(cx)
6438 .all_diff_hunks_expanded()
6439 {
6440 window.set_cursor_style(CursorStyle::PointingHand, hunk_hitbox);
6441 }
6442 }
6443
6444 let show_git_gutter = layout
6445 .position_map
6446 .snapshot
6447 .show_git_diff_gutter
6448 .unwrap_or_else(|| {
6449 matches!(
6450 ProjectSettings::get_global(cx).git.git_gutter,
6451 GitGutterSetting::TrackedFiles
6452 )
6453 });
6454 if show_git_gutter {
6455 Self::paint_gutter_diff_hunks(layout, self.split_side, window, cx)
6456 }
6457
6458 let highlight_width = 0.275 * layout.position_map.line_height;
6459 let highlight_corner_radii = Corners::all(0.05 * layout.position_map.line_height);
6460 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6461 for (range, color) in &layout.highlighted_gutter_ranges {
6462 let start_row = if range.start.row() < layout.visible_display_row_range.start {
6463 layout.visible_display_row_range.start - DisplayRow(1)
6464 } else {
6465 range.start.row()
6466 };
6467 let end_row = if range.end.row() > layout.visible_display_row_range.end {
6468 layout.visible_display_row_range.end + DisplayRow(1)
6469 } else {
6470 range.end.row()
6471 };
6472
6473 let start_y = layout.gutter_hitbox.top()
6474 + Pixels::from(
6475 start_row.0 as f64
6476 * ScrollPixelOffset::from(layout.position_map.line_height)
6477 - layout.position_map.scroll_pixel_position.y,
6478 );
6479 let end_y = layout.gutter_hitbox.top()
6480 + Pixels::from(
6481 (end_row.0 + 1) as f64
6482 * ScrollPixelOffset::from(layout.position_map.line_height)
6483 - layout.position_map.scroll_pixel_position.y,
6484 );
6485 let bounds = Bounds::from_corners(
6486 point(layout.gutter_hitbox.left(), start_y),
6487 point(layout.gutter_hitbox.left() + highlight_width, end_y),
6488 );
6489 window.paint_quad(fill(bounds, *color).corner_radii(highlight_corner_radii));
6490 }
6491 });
6492 }
6493
6494 fn paint_blamed_display_rows(
6495 &self,
6496 layout: &mut EditorLayout,
6497 window: &mut Window,
6498 cx: &mut App,
6499 ) {
6500 let Some(blamed_display_rows) = layout.blamed_display_rows.take() else {
6501 return;
6502 };
6503
6504 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6505 for mut blame_element in blamed_display_rows.into_iter() {
6506 blame_element.paint(window, cx);
6507 }
6508 })
6509 }
6510
6511 fn paint_text(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6512 window.with_content_mask(
6513 Some(ContentMask {
6514 bounds: layout.position_map.text_hitbox.bounds,
6515 }),
6516 |window| {
6517 let editor = self.editor.read(cx);
6518 if editor.mouse_cursor_hidden {
6519 window.set_window_cursor_style(CursorStyle::None);
6520 } else if let SelectionDragState::ReadyToDrag {
6521 mouse_down_time, ..
6522 } = &editor.selection_drag_state
6523 {
6524 let drag_and_drop_delay = Duration::from_millis(
6525 EditorSettings::get_global(cx)
6526 .drag_and_drop_selection
6527 .delay
6528 .0,
6529 );
6530 if mouse_down_time.elapsed() >= drag_and_drop_delay {
6531 window.set_cursor_style(
6532 CursorStyle::DragCopy,
6533 &layout.position_map.text_hitbox,
6534 );
6535 }
6536 } else if matches!(
6537 editor.selection_drag_state,
6538 SelectionDragState::Dragging { .. }
6539 ) {
6540 window
6541 .set_cursor_style(CursorStyle::DragCopy, &layout.position_map.text_hitbox);
6542 } else if editor
6543 .hovered_link_state
6544 .as_ref()
6545 .is_some_and(|hovered_link_state| !hovered_link_state.links.is_empty())
6546 {
6547 window.set_cursor_style(
6548 CursorStyle::PointingHand,
6549 &layout.position_map.text_hitbox,
6550 );
6551 } else {
6552 window.set_cursor_style(CursorStyle::IBeam, &layout.position_map.text_hitbox);
6553 };
6554
6555 self.paint_lines_background(layout, window, cx);
6556 let invisible_display_ranges = self.paint_highlights(layout, window, cx);
6557 self.paint_document_colors(layout, window);
6558 self.paint_lines(&invisible_display_ranges, layout, window, cx);
6559 self.paint_redactions(layout, window);
6560 self.paint_cursors(layout, window, cx);
6561 self.paint_inline_diagnostics(layout, window, cx);
6562 self.paint_inline_blame(layout, window, cx);
6563 self.paint_inline_code_actions(layout, window, cx);
6564 self.paint_diff_hunk_controls(layout, window, cx);
6565 window.with_element_namespace("crease_trailers", |window| {
6566 for trailer in layout.crease_trailers.iter_mut().flatten() {
6567 trailer.element.paint(window, cx);
6568 }
6569 });
6570 },
6571 )
6572 }
6573
6574 fn paint_highlights(
6575 &mut self,
6576 layout: &mut EditorLayout,
6577 window: &mut Window,
6578 cx: &mut App,
6579 ) -> SmallVec<[Range<DisplayPoint>; 32]> {
6580 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6581 let mut invisible_display_ranges = SmallVec::<[Range<DisplayPoint>; 32]>::new();
6582 let line_end_overshoot = 0.15 * layout.position_map.line_height;
6583 for (range, color) in &layout.highlighted_ranges {
6584 self.paint_highlighted_range(
6585 range.clone(),
6586 true,
6587 *color,
6588 Pixels::ZERO,
6589 line_end_overshoot,
6590 layout,
6591 window,
6592 );
6593 }
6594
6595 let corner_radius = if EditorSettings::get_global(cx).rounded_selection {
6596 0.15 * layout.position_map.line_height
6597 } else {
6598 Pixels::ZERO
6599 };
6600
6601 for (player_color, selections) in &layout.selections {
6602 for selection in selections.iter() {
6603 self.paint_highlighted_range(
6604 selection.range.clone(),
6605 true,
6606 player_color.selection,
6607 corner_radius,
6608 corner_radius * 2.,
6609 layout,
6610 window,
6611 );
6612
6613 if selection.is_local && !selection.range.is_empty() {
6614 invisible_display_ranges.push(selection.range.clone());
6615 }
6616 }
6617 }
6618 invisible_display_ranges
6619 })
6620 }
6621
6622 fn paint_lines(
6623 &mut self,
6624 invisible_display_ranges: &[Range<DisplayPoint>],
6625 layout: &mut EditorLayout,
6626 window: &mut Window,
6627 cx: &mut App,
6628 ) {
6629 let whitespace_setting = self
6630 .editor
6631 .read(cx)
6632 .buffer
6633 .read(cx)
6634 .language_settings(cx)
6635 .show_whitespaces;
6636
6637 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6638 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6639 line_with_invisibles.draw(
6640 layout,
6641 row,
6642 layout.content_origin,
6643 whitespace_setting,
6644 invisible_display_ranges,
6645 window,
6646 cx,
6647 )
6648 }
6649
6650 for line_element in &mut layout.line_elements {
6651 line_element.paint(window, cx);
6652 }
6653 }
6654
6655 fn paint_sticky_headers(
6656 &mut self,
6657 layout: &mut EditorLayout,
6658 window: &mut Window,
6659 cx: &mut App,
6660 ) {
6661 let Some(mut sticky_headers) = layout.sticky_headers.take() else {
6662 return;
6663 };
6664
6665 if sticky_headers.lines.is_empty() {
6666 layout.sticky_headers = Some(sticky_headers);
6667 return;
6668 }
6669
6670 let whitespace_setting = self
6671 .editor
6672 .read(cx)
6673 .buffer
6674 .read(cx)
6675 .language_settings(cx)
6676 .show_whitespaces;
6677 sticky_headers.paint(layout, whitespace_setting, window, cx);
6678
6679 let sticky_header_hitboxes: Vec<Hitbox> = sticky_headers
6680 .lines
6681 .iter()
6682 .map(|line| line.hitbox.clone())
6683 .collect();
6684 let hovered_hitbox = sticky_header_hitboxes
6685 .iter()
6686 .find_map(|hitbox| hitbox.is_hovered(window).then_some(hitbox.id));
6687
6688 window.on_mouse_event(move |_: &MouseMoveEvent, phase, window, _cx| {
6689 if !phase.bubble() {
6690 return;
6691 }
6692
6693 let current_hover = sticky_header_hitboxes
6694 .iter()
6695 .find_map(|hitbox| hitbox.is_hovered(window).then_some(hitbox.id));
6696 if hovered_hitbox != current_hover {
6697 window.refresh();
6698 }
6699 });
6700
6701 let position_map = layout.position_map.clone();
6702
6703 for (line_index, line) in sticky_headers.lines.iter().enumerate() {
6704 let editor = self.editor.clone();
6705 let hitbox = line.hitbox.clone();
6706 let row = line.row;
6707 let line_layout = line.line.clone();
6708 let position_map = position_map.clone();
6709 window.on_mouse_event(move |event: &MouseDownEvent, phase, window, cx| {
6710 if !phase.bubble() {
6711 return;
6712 }
6713
6714 if event.button == MouseButton::Left && hitbox.is_hovered(window) {
6715 let point_for_position =
6716 position_map.point_for_position_on_line(event.position, row, &line_layout);
6717
6718 editor.update(cx, |editor, cx| {
6719 let snapshot = editor.snapshot(window, cx);
6720 let anchor = snapshot
6721 .display_snapshot
6722 .display_point_to_anchor(point_for_position.previous_valid, Bias::Left);
6723 editor.change_selections(
6724 SelectionEffects::scroll(Autoscroll::top_relative(line_index)),
6725 window,
6726 cx,
6727 |selections| selections.select_ranges([anchor..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
8620fn prepaint_gutter_button(
8621 mut button: AnyElement,
8622 row: DisplayRow,
8623 line_height: Pixels,
8624 gutter_dimensions: &GutterDimensions,
8625 scroll_position: gpui::Point<ScrollOffset>,
8626 gutter_hitbox: &Hitbox,
8627 window: &mut Window,
8628 cx: &mut App,
8629) -> AnyElement {
8630 let available_space = size(
8631 AvailableSpace::MinContent,
8632 AvailableSpace::Definite(line_height),
8633 );
8634 let indicator_size = button.layout_as_root(available_space, window, cx);
8635 let git_gutter_width = EditorElement::gutter_strip_width(line_height)
8636 + gutter_dimensions
8637 .git_blame_entries_width
8638 .unwrap_or_default();
8639
8640 let x = git_gutter_width + px(2.);
8641
8642 let mut y =
8643 Pixels::from((row.as_f64() - scroll_position.y) * ScrollPixelOffset::from(line_height));
8644 y += (line_height - indicator_size.height) / 2.;
8645
8646 button.prepaint_as_root(
8647 gutter_hitbox.origin + point(x, y),
8648 available_space,
8649 window,
8650 cx,
8651 );
8652 button
8653}
8654
8655fn render_inline_blame_entry(
8656 blame_entry: BlameEntry,
8657 style: &EditorStyle,
8658 cx: &mut App,
8659) -> Option<AnyElement> {
8660 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
8661 renderer.render_inline_blame_entry(&style.text, blame_entry, cx)
8662}
8663
8664fn render_blame_entry_popover(
8665 blame_entry: BlameEntry,
8666 scroll_handle: ScrollHandle,
8667 commit_message: Option<ParsedCommitMessage>,
8668 markdown: Entity<Markdown>,
8669 workspace: WeakEntity<Workspace>,
8670 blame: &Entity<GitBlame>,
8671 buffer: BufferId,
8672 window: &mut Window,
8673 cx: &mut App,
8674) -> Option<AnyElement> {
8675 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
8676 let blame = blame.read(cx);
8677 let repository = blame.repository(cx, buffer)?;
8678 renderer.render_blame_entry_popover(
8679 blame_entry,
8680 scroll_handle,
8681 commit_message,
8682 markdown,
8683 repository,
8684 workspace,
8685 window,
8686 cx,
8687 )
8688}
8689
8690fn render_blame_entry(
8691 ix: usize,
8692 blame: &Entity<GitBlame>,
8693 blame_entry: BlameEntry,
8694 style: &EditorStyle,
8695 last_used_color: &mut Option<(Hsla, Oid)>,
8696 editor: Entity<Editor>,
8697 workspace: Entity<Workspace>,
8698 buffer: BufferId,
8699 renderer: &dyn BlameRenderer,
8700 window: &mut Window,
8701 cx: &mut App,
8702) -> Option<AnyElement> {
8703 let index: u32 = blame_entry.sha.into();
8704 let mut sha_color = cx.theme().players().color_for_participant(index).cursor;
8705
8706 // If the last color we used is the same as the one we get for this line, but
8707 // the commit SHAs are different, then we try again to get a different color.
8708 if let Some((color, sha)) = *last_used_color
8709 && sha != blame_entry.sha
8710 && color == sha_color
8711 {
8712 sha_color = cx.theme().players().color_for_participant(index + 1).cursor;
8713 }
8714 last_used_color.replace((sha_color, blame_entry.sha));
8715
8716 let blame = blame.read(cx);
8717 let details = blame.details_for_entry(buffer, &blame_entry);
8718 let repository = blame.repository(cx, buffer)?;
8719 renderer.render_blame_entry(
8720 &style.text,
8721 blame_entry,
8722 details,
8723 repository,
8724 workspace.downgrade(),
8725 editor,
8726 ix,
8727 sha_color,
8728 window,
8729 cx,
8730 )
8731}
8732
8733#[derive(Debug)]
8734pub(crate) struct LineWithInvisibles {
8735 fragments: SmallVec<[LineFragment; 1]>,
8736 invisibles: Vec<Invisible>,
8737 len: usize,
8738 pub(crate) width: Pixels,
8739 font_size: Pixels,
8740}
8741
8742enum LineFragment {
8743 Text(ShapedLine),
8744 Element {
8745 id: ChunkRendererId,
8746 element: Option<AnyElement>,
8747 size: Size<Pixels>,
8748 len: usize,
8749 },
8750}
8751
8752impl fmt::Debug for LineFragment {
8753 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
8754 match self {
8755 LineFragment::Text(shaped_line) => f.debug_tuple("Text").field(shaped_line).finish(),
8756 LineFragment::Element { size, len, .. } => f
8757 .debug_struct("Element")
8758 .field("size", size)
8759 .field("len", len)
8760 .finish(),
8761 }
8762 }
8763}
8764
8765impl LineWithInvisibles {
8766 fn from_chunks<'a>(
8767 chunks: impl Iterator<Item = HighlightedChunk<'a>>,
8768 editor_style: &EditorStyle,
8769 max_line_len: usize,
8770 max_line_count: usize,
8771 editor_mode: &EditorMode,
8772 text_width: Pixels,
8773 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
8774 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
8775 window: &mut Window,
8776 cx: &mut App,
8777 ) -> Vec<Self> {
8778 let text_style = &editor_style.text;
8779 let mut layouts = Vec::with_capacity(max_line_count);
8780 let mut fragments: SmallVec<[LineFragment; 1]> = SmallVec::new();
8781 let mut line = String::new();
8782 let mut invisibles = Vec::new();
8783 let mut width = Pixels::ZERO;
8784 let mut len = 0;
8785 let mut styles = Vec::new();
8786 let mut non_whitespace_added = false;
8787 let mut row = 0;
8788 let mut line_exceeded_max_len = false;
8789 let font_size = text_style.font_size.to_pixels(window.rem_size());
8790 let min_contrast = EditorSettings::get_global(cx).minimum_contrast_for_highlights;
8791
8792 let ellipsis = SharedString::from("β―");
8793
8794 for highlighted_chunk in chunks.chain([HighlightedChunk {
8795 text: "\n",
8796 style: None,
8797 is_tab: false,
8798 is_inlay: false,
8799 replacement: None,
8800 }]) {
8801 if let Some(replacement) = highlighted_chunk.replacement {
8802 if !line.is_empty() {
8803 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
8804 let text_runs: &[TextRun] = if segments.is_empty() {
8805 &styles
8806 } else {
8807 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
8808 };
8809 let shaped_line = window.text_system().shape_line(
8810 line.clone().into(),
8811 font_size,
8812 text_runs,
8813 None,
8814 );
8815 width += shaped_line.width;
8816 len += shaped_line.len;
8817 fragments.push(LineFragment::Text(shaped_line));
8818 line.clear();
8819 styles.clear();
8820 }
8821
8822 match replacement {
8823 ChunkReplacement::Renderer(renderer) => {
8824 let available_width = if renderer.constrain_width {
8825 let chunk = if highlighted_chunk.text == ellipsis.as_ref() {
8826 ellipsis.clone()
8827 } else {
8828 SharedString::from(Arc::from(highlighted_chunk.text))
8829 };
8830 let shaped_line = window.text_system().shape_line(
8831 chunk,
8832 font_size,
8833 &[text_style.to_run(highlighted_chunk.text.len())],
8834 None,
8835 );
8836 AvailableSpace::Definite(shaped_line.width)
8837 } else {
8838 AvailableSpace::MinContent
8839 };
8840
8841 let mut element = (renderer.render)(&mut ChunkRendererContext {
8842 context: cx,
8843 window,
8844 max_width: text_width,
8845 });
8846 let line_height = text_style.line_height_in_pixels(window.rem_size());
8847 let size = element.layout_as_root(
8848 size(available_width, AvailableSpace::Definite(line_height)),
8849 window,
8850 cx,
8851 );
8852
8853 width += size.width;
8854 len += highlighted_chunk.text.len();
8855 fragments.push(LineFragment::Element {
8856 id: renderer.id,
8857 element: Some(element),
8858 size,
8859 len: highlighted_chunk.text.len(),
8860 });
8861 }
8862 ChunkReplacement::Str(x) => {
8863 let text_style = if let Some(style) = highlighted_chunk.style {
8864 Cow::Owned(text_style.clone().highlight(style))
8865 } else {
8866 Cow::Borrowed(text_style)
8867 };
8868
8869 let run = TextRun {
8870 len: x.len(),
8871 font: text_style.font(),
8872 color: text_style.color,
8873 background_color: text_style.background_color,
8874 underline: text_style.underline,
8875 strikethrough: text_style.strikethrough,
8876 };
8877 let line_layout = window
8878 .text_system()
8879 .shape_line(x, font_size, &[run], None)
8880 .with_len(highlighted_chunk.text.len());
8881
8882 width += line_layout.width;
8883 len += highlighted_chunk.text.len();
8884 fragments.push(LineFragment::Text(line_layout))
8885 }
8886 }
8887 } else {
8888 for (ix, mut line_chunk) in highlighted_chunk.text.split('\n').enumerate() {
8889 if ix > 0 {
8890 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
8891 let text_runs = if segments.is_empty() {
8892 &styles
8893 } else {
8894 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
8895 };
8896 let shaped_line = window.text_system().shape_line(
8897 line.clone().into(),
8898 font_size,
8899 text_runs,
8900 None,
8901 );
8902 width += shaped_line.width;
8903 len += shaped_line.len;
8904 fragments.push(LineFragment::Text(shaped_line));
8905 layouts.push(Self {
8906 width: mem::take(&mut width),
8907 len: mem::take(&mut len),
8908 fragments: mem::take(&mut fragments),
8909 invisibles: std::mem::take(&mut invisibles),
8910 font_size,
8911 });
8912
8913 line.clear();
8914 styles.clear();
8915 row += 1;
8916 line_exceeded_max_len = false;
8917 non_whitespace_added = false;
8918 if row == max_line_count {
8919 return layouts;
8920 }
8921 }
8922
8923 if !line_chunk.is_empty() && !line_exceeded_max_len {
8924 let text_style = if let Some(style) = highlighted_chunk.style {
8925 Cow::Owned(text_style.clone().highlight(style))
8926 } else {
8927 Cow::Borrowed(text_style)
8928 };
8929
8930 if line.len() + line_chunk.len() > max_line_len {
8931 let mut chunk_len = max_line_len - line.len();
8932 while !line_chunk.is_char_boundary(chunk_len) {
8933 chunk_len -= 1;
8934 }
8935 line_chunk = &line_chunk[..chunk_len];
8936 line_exceeded_max_len = true;
8937 }
8938
8939 styles.push(TextRun {
8940 len: line_chunk.len(),
8941 font: text_style.font(),
8942 color: text_style.color,
8943 background_color: text_style.background_color,
8944 underline: text_style.underline,
8945 strikethrough: text_style.strikethrough,
8946 });
8947
8948 if editor_mode.is_full() && !highlighted_chunk.is_inlay {
8949 // Line wrap pads its contents with fake whitespaces,
8950 // avoid printing them
8951 let is_soft_wrapped = is_row_soft_wrapped(row);
8952 if highlighted_chunk.is_tab {
8953 if non_whitespace_added || !is_soft_wrapped {
8954 invisibles.push(Invisible::Tab {
8955 line_start_offset: line.len(),
8956 line_end_offset: line.len() + line_chunk.len(),
8957 });
8958 }
8959 } else {
8960 invisibles.extend(line_chunk.char_indices().filter_map(
8961 |(index, c)| {
8962 let is_whitespace = c.is_whitespace();
8963 non_whitespace_added |= !is_whitespace;
8964 if is_whitespace
8965 && (non_whitespace_added || !is_soft_wrapped)
8966 {
8967 Some(Invisible::Whitespace {
8968 line_offset: line.len() + index,
8969 })
8970 } else {
8971 None
8972 }
8973 },
8974 ))
8975 }
8976 }
8977
8978 line.push_str(line_chunk);
8979 }
8980 }
8981 }
8982 }
8983
8984 layouts
8985 }
8986
8987 /// Takes text runs and non-overlapping left-to-right background ranges with color.
8988 /// Returns new text runs with adjusted contrast as per background ranges.
8989 fn split_runs_by_bg_segments(
8990 text_runs: &[TextRun],
8991 bg_segments: &[(Range<DisplayPoint>, Hsla)],
8992 min_contrast: f32,
8993 start_col_offset: usize,
8994 ) -> Vec<TextRun> {
8995 let mut output_runs: Vec<TextRun> = Vec::with_capacity(text_runs.len());
8996 let mut line_col = start_col_offset;
8997 let mut segment_ix = 0usize;
8998
8999 for text_run in text_runs.iter() {
9000 let run_start_col = line_col;
9001 let run_end_col = run_start_col + text_run.len;
9002 while segment_ix < bg_segments.len()
9003 && (bg_segments[segment_ix].0.end.column() as usize) <= run_start_col
9004 {
9005 segment_ix += 1;
9006 }
9007 let mut cursor_col = run_start_col;
9008 let mut local_segment_ix = segment_ix;
9009 while local_segment_ix < bg_segments.len() {
9010 let (range, segment_color) = &bg_segments[local_segment_ix];
9011 let segment_start_col = range.start.column() as usize;
9012 let segment_end_col = range.end.column() as usize;
9013 if segment_start_col >= run_end_col {
9014 break;
9015 }
9016 if segment_start_col > cursor_col {
9017 let span_len = segment_start_col - cursor_col;
9018 output_runs.push(TextRun {
9019 len: span_len,
9020 font: text_run.font.clone(),
9021 color: text_run.color,
9022 background_color: text_run.background_color,
9023 underline: text_run.underline,
9024 strikethrough: text_run.strikethrough,
9025 });
9026 cursor_col = segment_start_col;
9027 }
9028 let segment_slice_end_col = segment_end_col.min(run_end_col);
9029 if segment_slice_end_col > cursor_col {
9030 let new_text_color =
9031 ensure_minimum_contrast(text_run.color, *segment_color, min_contrast);
9032 output_runs.push(TextRun {
9033 len: segment_slice_end_col - cursor_col,
9034 font: text_run.font.clone(),
9035 color: new_text_color,
9036 background_color: text_run.background_color,
9037 underline: text_run.underline,
9038 strikethrough: text_run.strikethrough,
9039 });
9040 cursor_col = segment_slice_end_col;
9041 }
9042 if segment_end_col >= run_end_col {
9043 break;
9044 }
9045 local_segment_ix += 1;
9046 }
9047 if cursor_col < run_end_col {
9048 output_runs.push(TextRun {
9049 len: run_end_col - cursor_col,
9050 font: text_run.font.clone(),
9051 color: text_run.color,
9052 background_color: text_run.background_color,
9053 underline: text_run.underline,
9054 strikethrough: text_run.strikethrough,
9055 });
9056 }
9057 line_col = run_end_col;
9058 segment_ix = local_segment_ix;
9059 }
9060 output_runs
9061 }
9062
9063 fn prepaint(
9064 &mut self,
9065 line_height: Pixels,
9066 scroll_position: gpui::Point<ScrollOffset>,
9067 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
9068 row: DisplayRow,
9069 content_origin: gpui::Point<Pixels>,
9070 line_elements: &mut SmallVec<[AnyElement; 1]>,
9071 window: &mut Window,
9072 cx: &mut App,
9073 ) {
9074 let line_y = f32::from(line_height) * Pixels::from(row.as_f64() - scroll_position.y);
9075 self.prepaint_with_custom_offset(
9076 line_height,
9077 scroll_pixel_position,
9078 content_origin,
9079 line_y,
9080 line_elements,
9081 window,
9082 cx,
9083 );
9084 }
9085
9086 fn prepaint_with_custom_offset(
9087 &mut self,
9088 line_height: Pixels,
9089 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
9090 content_origin: gpui::Point<Pixels>,
9091 line_y: Pixels,
9092 line_elements: &mut SmallVec<[AnyElement; 1]>,
9093 window: &mut Window,
9094 cx: &mut App,
9095 ) {
9096 let mut fragment_origin =
9097 content_origin + gpui::point(Pixels::from(-scroll_pixel_position.x), line_y);
9098 for fragment in &mut self.fragments {
9099 match fragment {
9100 LineFragment::Text(line) => {
9101 fragment_origin.x += line.width;
9102 }
9103 LineFragment::Element { element, size, .. } => {
9104 let mut element = element
9105 .take()
9106 .expect("you can't prepaint LineWithInvisibles twice");
9107
9108 // Center the element vertically within the line.
9109 let mut element_origin = fragment_origin;
9110 element_origin.y += (line_height - size.height) / 2.;
9111 element.prepaint_at(element_origin, window, cx);
9112 line_elements.push(element);
9113
9114 fragment_origin.x += size.width;
9115 }
9116 }
9117 }
9118 }
9119
9120 fn draw(
9121 &self,
9122 layout: &EditorLayout,
9123 row: DisplayRow,
9124 content_origin: gpui::Point<Pixels>,
9125 whitespace_setting: ShowWhitespaceSetting,
9126 selection_ranges: &[Range<DisplayPoint>],
9127 window: &mut Window,
9128 cx: &mut App,
9129 ) {
9130 self.draw_with_custom_offset(
9131 layout,
9132 row,
9133 content_origin,
9134 layout.position_map.line_height
9135 * (row.as_f64() - layout.position_map.scroll_position.y) as f32,
9136 whitespace_setting,
9137 selection_ranges,
9138 window,
9139 cx,
9140 );
9141 }
9142
9143 fn draw_with_custom_offset(
9144 &self,
9145 layout: &EditorLayout,
9146 row: DisplayRow,
9147 content_origin: gpui::Point<Pixels>,
9148 line_y: Pixels,
9149 whitespace_setting: ShowWhitespaceSetting,
9150 selection_ranges: &[Range<DisplayPoint>],
9151 window: &mut Window,
9152 cx: &mut App,
9153 ) {
9154 let line_height = layout.position_map.line_height;
9155 let mut fragment_origin = content_origin
9156 + gpui::point(
9157 Pixels::from(-layout.position_map.scroll_pixel_position.x),
9158 line_y,
9159 );
9160
9161 for fragment in &self.fragments {
9162 match fragment {
9163 LineFragment::Text(line) => {
9164 line.paint(
9165 fragment_origin,
9166 line_height,
9167 layout.text_align,
9168 Some(layout.content_width),
9169 window,
9170 cx,
9171 )
9172 .log_err();
9173 fragment_origin.x += line.width;
9174 }
9175 LineFragment::Element { size, .. } => {
9176 fragment_origin.x += size.width;
9177 }
9178 }
9179 }
9180
9181 self.draw_invisibles(
9182 selection_ranges,
9183 layout,
9184 content_origin,
9185 line_y,
9186 row,
9187 line_height,
9188 whitespace_setting,
9189 window,
9190 cx,
9191 );
9192 }
9193
9194 fn draw_background(
9195 &self,
9196 layout: &EditorLayout,
9197 row: DisplayRow,
9198 content_origin: gpui::Point<Pixels>,
9199 window: &mut Window,
9200 cx: &mut App,
9201 ) {
9202 let line_height = layout.position_map.line_height;
9203 let line_y = line_height * (row.as_f64() - layout.position_map.scroll_position.y) as f32;
9204
9205 let mut fragment_origin = content_origin
9206 + gpui::point(
9207 Pixels::from(-layout.position_map.scroll_pixel_position.x),
9208 line_y,
9209 );
9210
9211 for fragment in &self.fragments {
9212 match fragment {
9213 LineFragment::Text(line) => {
9214 line.paint_background(
9215 fragment_origin,
9216 line_height,
9217 layout.text_align,
9218 Some(layout.content_width),
9219 window,
9220 cx,
9221 )
9222 .log_err();
9223 fragment_origin.x += line.width;
9224 }
9225 LineFragment::Element { size, .. } => {
9226 fragment_origin.x += size.width;
9227 }
9228 }
9229 }
9230 }
9231
9232 fn draw_invisibles(
9233 &self,
9234 selection_ranges: &[Range<DisplayPoint>],
9235 layout: &EditorLayout,
9236 content_origin: gpui::Point<Pixels>,
9237 line_y: Pixels,
9238 row: DisplayRow,
9239 line_height: Pixels,
9240 whitespace_setting: ShowWhitespaceSetting,
9241 window: &mut Window,
9242 cx: &mut App,
9243 ) {
9244 let extract_whitespace_info = |invisible: &Invisible| {
9245 let (token_offset, token_end_offset, invisible_symbol) = match invisible {
9246 Invisible::Tab {
9247 line_start_offset,
9248 line_end_offset,
9249 } => (*line_start_offset, *line_end_offset, &layout.tab_invisible),
9250 Invisible::Whitespace { line_offset } => {
9251 (*line_offset, line_offset + 1, &layout.space_invisible)
9252 }
9253 };
9254
9255 let x_offset: ScrollPixelOffset = self.x_for_index(token_offset).into();
9256 let invisible_offset: ScrollPixelOffset =
9257 ((layout.position_map.em_width - invisible_symbol.width).max(Pixels::ZERO) / 2.0)
9258 .into();
9259 let origin = content_origin
9260 + gpui::point(
9261 Pixels::from(
9262 x_offset + invisible_offset - layout.position_map.scroll_pixel_position.x,
9263 ),
9264 line_y,
9265 );
9266
9267 (
9268 [token_offset, token_end_offset],
9269 Box::new(move |window: &mut Window, cx: &mut App| {
9270 invisible_symbol
9271 .paint(origin, line_height, TextAlign::Left, None, window, cx)
9272 .log_err();
9273 }),
9274 )
9275 };
9276
9277 let invisible_iter = self.invisibles.iter().map(extract_whitespace_info);
9278 match whitespace_setting {
9279 ShowWhitespaceSetting::None => (),
9280 ShowWhitespaceSetting::All => invisible_iter.for_each(|(_, paint)| paint(window, cx)),
9281 ShowWhitespaceSetting::Selection => invisible_iter.for_each(|([start, _], paint)| {
9282 let invisible_point = DisplayPoint::new(row, start as u32);
9283 if !selection_ranges
9284 .iter()
9285 .any(|region| region.start <= invisible_point && invisible_point < region.end)
9286 {
9287 return;
9288 }
9289
9290 paint(window, cx);
9291 }),
9292
9293 ShowWhitespaceSetting::Trailing => {
9294 let mut previous_start = self.len;
9295 for ([start, end], paint) in invisible_iter.rev() {
9296 if previous_start != end {
9297 break;
9298 }
9299 previous_start = start;
9300 paint(window, cx);
9301 }
9302 }
9303
9304 // For a whitespace to be on a boundary, any of the following conditions need to be met:
9305 // - It is a tab
9306 // - It is adjacent to an edge (start or end)
9307 // - It is adjacent to a whitespace (left or right)
9308 ShowWhitespaceSetting::Boundary => {
9309 // 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
9310 // the above cases.
9311 // Note: We zip in the original `invisibles` to check for tab equality
9312 let mut last_seen: Option<(bool, usize, Box<dyn Fn(&mut Window, &mut App)>)> = None;
9313 for (([start, end], paint), invisible) in
9314 invisible_iter.zip_eq(self.invisibles.iter())
9315 {
9316 let should_render = match (&last_seen, invisible) {
9317 (_, Invisible::Tab { .. }) => true,
9318 (Some((_, last_end, _)), _) => *last_end == start,
9319 _ => false,
9320 };
9321
9322 if should_render || start == 0 || end == self.len {
9323 paint(window, cx);
9324
9325 // Since we are scanning from the left, we will skip over the first available whitespace that is part
9326 // of a boundary between non-whitespace segments, so we correct by manually redrawing it if needed.
9327 if let Some((should_render_last, last_end, paint_last)) = last_seen {
9328 // Note that we need to make sure that the last one is actually adjacent
9329 if !should_render_last && last_end == start {
9330 paint_last(window, cx);
9331 }
9332 }
9333 }
9334
9335 // Manually render anything within a selection
9336 let invisible_point = DisplayPoint::new(row, start as u32);
9337 if selection_ranges.iter().any(|region| {
9338 region.start <= invisible_point && invisible_point < region.end
9339 }) {
9340 paint(window, cx);
9341 }
9342
9343 last_seen = Some((should_render, end, paint));
9344 }
9345 }
9346 }
9347 }
9348
9349 pub fn x_for_index(&self, index: usize) -> Pixels {
9350 let mut fragment_start_x = Pixels::ZERO;
9351 let mut fragment_start_index = 0;
9352
9353 for fragment in &self.fragments {
9354 match fragment {
9355 LineFragment::Text(shaped_line) => {
9356 let fragment_end_index = fragment_start_index + shaped_line.len;
9357 if index < fragment_end_index {
9358 return fragment_start_x
9359 + shaped_line.x_for_index(index - fragment_start_index);
9360 }
9361 fragment_start_x += shaped_line.width;
9362 fragment_start_index = fragment_end_index;
9363 }
9364 LineFragment::Element { len, size, .. } => {
9365 let fragment_end_index = fragment_start_index + len;
9366 if index < fragment_end_index {
9367 return fragment_start_x;
9368 }
9369 fragment_start_x += size.width;
9370 fragment_start_index = fragment_end_index;
9371 }
9372 }
9373 }
9374
9375 fragment_start_x
9376 }
9377
9378 pub fn index_for_x(&self, x: Pixels) -> Option<usize> {
9379 let mut fragment_start_x = Pixels::ZERO;
9380 let mut fragment_start_index = 0;
9381
9382 for fragment in &self.fragments {
9383 match fragment {
9384 LineFragment::Text(shaped_line) => {
9385 let fragment_end_x = fragment_start_x + shaped_line.width;
9386 if x < fragment_end_x {
9387 return Some(
9388 fragment_start_index + shaped_line.index_for_x(x - fragment_start_x)?,
9389 );
9390 }
9391 fragment_start_x = fragment_end_x;
9392 fragment_start_index += shaped_line.len;
9393 }
9394 LineFragment::Element { len, size, .. } => {
9395 let fragment_end_x = fragment_start_x + size.width;
9396 if x < fragment_end_x {
9397 return Some(fragment_start_index);
9398 }
9399 fragment_start_index += len;
9400 fragment_start_x = fragment_end_x;
9401 }
9402 }
9403 }
9404
9405 None
9406 }
9407
9408 pub fn font_id_for_index(&self, index: usize) -> Option<FontId> {
9409 let mut fragment_start_index = 0;
9410
9411 for fragment in &self.fragments {
9412 match fragment {
9413 LineFragment::Text(shaped_line) => {
9414 let fragment_end_index = fragment_start_index + shaped_line.len;
9415 if index < fragment_end_index {
9416 return shaped_line.font_id_for_index(index - fragment_start_index);
9417 }
9418 fragment_start_index = fragment_end_index;
9419 }
9420 LineFragment::Element { len, .. } => {
9421 let fragment_end_index = fragment_start_index + len;
9422 if index < fragment_end_index {
9423 return None;
9424 }
9425 fragment_start_index = fragment_end_index;
9426 }
9427 }
9428 }
9429
9430 None
9431 }
9432
9433 pub fn alignment_offset(&self, text_align: TextAlign, content_width: Pixels) -> Pixels {
9434 let line_width = self.width;
9435 match text_align {
9436 TextAlign::Left => px(0.0),
9437 TextAlign::Center => (content_width - line_width) / 2.0,
9438 TextAlign::Right => content_width - line_width,
9439 }
9440 }
9441}
9442
9443#[derive(Debug, Clone, Copy, PartialEq, Eq)]
9444enum Invisible {
9445 /// A tab character
9446 ///
9447 /// A tab character is internally represented by spaces (configured by the user's tab width)
9448 /// aligned to the nearest column, so it's necessary to store the start and end offset for
9449 /// adjacency checks.
9450 Tab {
9451 line_start_offset: usize,
9452 line_end_offset: usize,
9453 },
9454 Whitespace {
9455 line_offset: usize,
9456 },
9457}
9458
9459impl EditorElement {
9460 /// Returns the rem size to use when rendering the [`EditorElement`].
9461 ///
9462 /// This allows UI elements to scale based on the `buffer_font_size`.
9463 fn rem_size(&self, cx: &mut App) -> Option<Pixels> {
9464 match self.editor.read(cx).mode {
9465 EditorMode::Full {
9466 scale_ui_elements_with_buffer_font_size: true,
9467 ..
9468 }
9469 | EditorMode::Minimap { .. } => {
9470 let buffer_font_size = self.style.text.font_size;
9471 match buffer_font_size {
9472 AbsoluteLength::Pixels(pixels) => {
9473 let rem_size_scale = {
9474 // Our default UI font size is 14px on a 16px base scale.
9475 // This means the default UI font size is 0.875rems.
9476 let default_font_size_scale = 14. / ui::BASE_REM_SIZE_IN_PX;
9477
9478 // We then determine the delta between a single rem and the default font
9479 // size scale.
9480 let default_font_size_delta = 1. - default_font_size_scale;
9481
9482 // Finally, we add this delta to 1rem to get the scale factor that
9483 // should be used to scale up the UI.
9484 1. + default_font_size_delta
9485 };
9486
9487 Some(pixels * rem_size_scale)
9488 }
9489 AbsoluteLength::Rems(rems) => {
9490 Some(rems.to_pixels(ui::BASE_REM_SIZE_IN_PX.into()))
9491 }
9492 }
9493 }
9494 // We currently use single-line and auto-height editors in UI contexts,
9495 // so we don't want to scale everything with the buffer font size, as it
9496 // ends up looking off.
9497 _ => None,
9498 }
9499 }
9500
9501 fn editor_with_selections(&self, cx: &App) -> Option<Entity<Editor>> {
9502 if let EditorMode::Minimap { parent } = self.editor.read(cx).mode() {
9503 parent.upgrade()
9504 } else {
9505 Some(self.editor.clone())
9506 }
9507 }
9508}
9509
9510#[derive(Default)]
9511pub struct EditorRequestLayoutState {
9512 // We use prepaint depth to limit the number of times prepaint is
9513 // called recursively. We need this so that we can update stale
9514 // data for e.g. block heights in block map.
9515 prepaint_depth: Rc<Cell<usize>>,
9516}
9517
9518impl EditorRequestLayoutState {
9519 // In ideal conditions we only need one more subsequent prepaint call for resize to take effect.
9520 // i.e. MAX_PREPAINT_DEPTH = 2, but since moving blocks inline (place_near), more lines from
9521 // below get exposed, and we end up querying blocks for those lines too in subsequent renders.
9522 // Setting MAX_PREPAINT_DEPTH = 3, passes all tests. Just to be on the safe side we set it to 5, so
9523 // that subsequent shrinking does not lead to incorrect block placing.
9524 const MAX_PREPAINT_DEPTH: usize = 5;
9525
9526 fn increment_prepaint_depth(&self) -> EditorPrepaintGuard {
9527 let depth = self.prepaint_depth.get();
9528 self.prepaint_depth.set(depth + 1);
9529 EditorPrepaintGuard {
9530 prepaint_depth: self.prepaint_depth.clone(),
9531 }
9532 }
9533
9534 fn has_remaining_prepaint_depth(&self) -> bool {
9535 self.prepaint_depth.get() < Self::MAX_PREPAINT_DEPTH
9536 }
9537}
9538
9539struct EditorPrepaintGuard {
9540 prepaint_depth: Rc<Cell<usize>>,
9541}
9542
9543impl Drop for EditorPrepaintGuard {
9544 fn drop(&mut self) {
9545 let depth = self.prepaint_depth.get();
9546 self.prepaint_depth.set(depth.saturating_sub(1));
9547 }
9548}
9549
9550impl Element for EditorElement {
9551 type RequestLayoutState = EditorRequestLayoutState;
9552 type PrepaintState = EditorLayout;
9553
9554 fn id(&self) -> Option<ElementId> {
9555 None
9556 }
9557
9558 fn source_location(&self) -> Option<&'static core::panic::Location<'static>> {
9559 None
9560 }
9561
9562 fn request_layout(
9563 &mut self,
9564 _: Option<&GlobalElementId>,
9565 _inspector_id: Option<&gpui::InspectorElementId>,
9566 window: &mut Window,
9567 cx: &mut App,
9568 ) -> (gpui::LayoutId, Self::RequestLayoutState) {
9569 let rem_size = self.rem_size(cx);
9570 window.with_rem_size(rem_size, |window| {
9571 self.editor.update(cx, |editor, cx| {
9572 editor.set_style(self.style.clone(), window, cx);
9573
9574 let layout_id = match editor.mode {
9575 EditorMode::SingleLine => {
9576 let rem_size = window.rem_size();
9577 let height = self.style.text.line_height_in_pixels(rem_size);
9578 let mut style = Style::default();
9579 style.size.height = height.into();
9580 style.size.width = relative(1.).into();
9581 window.request_layout(style, None, cx)
9582 }
9583 EditorMode::AutoHeight {
9584 min_lines,
9585 max_lines,
9586 } => {
9587 let editor_handle = cx.entity();
9588 window.request_measured_layout(
9589 Style::default(),
9590 move |known_dimensions, available_space, window, cx| {
9591 editor_handle
9592 .update(cx, |editor, cx| {
9593 compute_auto_height_layout(
9594 editor,
9595 min_lines,
9596 max_lines,
9597 known_dimensions,
9598 available_space.width,
9599 window,
9600 cx,
9601 )
9602 })
9603 .unwrap_or_default()
9604 },
9605 )
9606 }
9607 EditorMode::Minimap { .. } => {
9608 let mut style = Style::default();
9609 style.size.width = relative(1.).into();
9610 style.size.height = relative(1.).into();
9611 window.request_layout(style, None, cx)
9612 }
9613 EditorMode::Full {
9614 sizing_behavior, ..
9615 } => {
9616 let mut style = Style::default();
9617 style.size.width = relative(1.).into();
9618 if sizing_behavior == SizingBehavior::SizeByContent {
9619 let snapshot = editor.snapshot(window, cx);
9620 let line_height =
9621 self.style.text.line_height_in_pixels(window.rem_size());
9622 let scroll_height =
9623 (snapshot.max_point().row().next_row().0 as f32) * line_height;
9624 style.size.height = scroll_height.into();
9625 } else {
9626 style.size.height = relative(1.).into();
9627 }
9628 window.request_layout(style, None, cx)
9629 }
9630 };
9631
9632 (layout_id, EditorRequestLayoutState::default())
9633 })
9634 })
9635 }
9636
9637 fn prepaint(
9638 &mut self,
9639 _: Option<&GlobalElementId>,
9640 _inspector_id: Option<&gpui::InspectorElementId>,
9641 bounds: Bounds<Pixels>,
9642 request_layout: &mut Self::RequestLayoutState,
9643 window: &mut Window,
9644 cx: &mut App,
9645 ) -> Self::PrepaintState {
9646 let _prepaint_depth_guard = request_layout.increment_prepaint_depth();
9647 let text_style = TextStyleRefinement {
9648 font_size: Some(self.style.text.font_size),
9649 line_height: Some(self.style.text.line_height),
9650 ..Default::default()
9651 };
9652
9653 let is_minimap = self.editor.read(cx).mode.is_minimap();
9654 let is_singleton = self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
9655
9656 if !is_minimap {
9657 let focus_handle = self.editor.focus_handle(cx);
9658 window.set_view_id(self.editor.entity_id());
9659 window.set_focus_handle(&focus_handle, cx);
9660 }
9661
9662 let rem_size = self.rem_size(cx);
9663 window.with_rem_size(rem_size, |window| {
9664 window.with_text_style(Some(text_style), |window| {
9665 window.with_content_mask(Some(ContentMask { bounds }), |window| {
9666 let (mut snapshot, is_read_only) = self.editor.update(cx, |editor, cx| {
9667 (editor.snapshot(window, cx), editor.read_only(cx))
9668 });
9669 let style = &self.style;
9670
9671 let rem_size = window.rem_size();
9672 let font_id = window.text_system().resolve_font(&style.text.font());
9673 let font_size = style.text.font_size.to_pixels(rem_size);
9674 let line_height = style.text.line_height_in_pixels(rem_size);
9675 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
9676 let em_advance = window.text_system().em_advance(font_id, font_size).unwrap();
9677 let em_layout_width = window.text_system().em_layout_width(font_id, font_size);
9678 let glyph_grid_cell = size(em_advance, line_height);
9679
9680 let gutter_dimensions =
9681 snapshot.gutter_dimensions(font_id, font_size, style, window, cx);
9682 let text_width = bounds.size.width - gutter_dimensions.width;
9683
9684 let settings = EditorSettings::get_global(cx);
9685 let scrollbars_shown = settings.scrollbar.show != ShowScrollbar::Never;
9686 let vertical_scrollbar_width = (scrollbars_shown
9687 && settings.scrollbar.axes.vertical
9688 && self.editor.read(cx).show_scrollbars.vertical)
9689 .then_some(style.scrollbar_width)
9690 .unwrap_or_default();
9691 let minimap_width = self
9692 .get_minimap_width(
9693 &settings.minimap,
9694 scrollbars_shown,
9695 text_width,
9696 em_width,
9697 font_size,
9698 rem_size,
9699 cx,
9700 )
9701 .unwrap_or_default();
9702
9703 let right_margin = minimap_width + vertical_scrollbar_width;
9704
9705 let extended_right = 2 * em_width + right_margin;
9706 let editor_width = text_width - gutter_dimensions.margin - extended_right;
9707 let editor_margins = EditorMargins {
9708 gutter: gutter_dimensions,
9709 right: right_margin,
9710 extended_right,
9711 };
9712
9713 snapshot = self.editor.update(cx, |editor, cx| {
9714 editor.last_bounds = Some(bounds);
9715 editor.gutter_dimensions = gutter_dimensions;
9716 editor.set_visible_line_count(
9717 (bounds.size.height / line_height) as f64,
9718 window,
9719 cx,
9720 );
9721 editor.set_visible_column_count(f64::from(editor_width / em_advance));
9722
9723 if matches!(
9724 editor.mode,
9725 EditorMode::AutoHeight { .. } | EditorMode::Minimap { .. }
9726 ) {
9727 snapshot
9728 } else {
9729 let wrap_width = calculate_wrap_width(
9730 editor.soft_wrap_mode(cx),
9731 editor_width,
9732 em_layout_width,
9733 );
9734
9735 if editor.set_wrap_width(wrap_width, cx) {
9736 editor.snapshot(window, cx)
9737 } else {
9738 snapshot
9739 }
9740 }
9741 });
9742
9743 let hitbox = window.insert_hitbox(bounds, HitboxBehavior::Normal);
9744 let gutter_hitbox = window.insert_hitbox(
9745 gutter_bounds(bounds, gutter_dimensions),
9746 HitboxBehavior::Normal,
9747 );
9748 let text_hitbox = window.insert_hitbox(
9749 Bounds {
9750 origin: gutter_hitbox.top_right(),
9751 size: size(text_width, bounds.size.height),
9752 },
9753 HitboxBehavior::Normal,
9754 );
9755
9756 // Offset the content_bounds from the text_bounds by the gutter margin (which
9757 // is roughly half a character wide) to make hit testing work more like how we want.
9758 let content_offset = point(editor_margins.gutter.margin, Pixels::ZERO);
9759 let content_origin = text_hitbox.origin + content_offset;
9760
9761 let height_in_lines = f64::from(bounds.size.height / line_height);
9762 let max_row = snapshot.max_point().row().as_f64();
9763
9764 // Calculate how much of the editor is clipped by parent containers (e.g., List).
9765 // This allows us to only render lines that are actually visible, which is
9766 // critical for performance when large AutoHeight editors are inside Lists.
9767 let visible_bounds = window.content_mask().bounds;
9768 let clipped_top = (visible_bounds.origin.y - bounds.origin.y).max(px(0.));
9769 let clipped_top_in_lines = f64::from(clipped_top / line_height);
9770 let visible_height_in_lines =
9771 f64::from(visible_bounds.size.height / line_height);
9772
9773 // The max scroll position for the top of the window
9774 let max_scroll_top = if matches!(
9775 snapshot.mode,
9776 EditorMode::SingleLine
9777 | EditorMode::AutoHeight { .. }
9778 | EditorMode::Full {
9779 sizing_behavior: SizingBehavior::ExcludeOverscrollMargin
9780 | SizingBehavior::SizeByContent,
9781 ..
9782 }
9783 ) {
9784 (max_row - height_in_lines + 1.).max(0.)
9785 } else {
9786 let settings = EditorSettings::get_global(cx);
9787 match settings.scroll_beyond_last_line {
9788 ScrollBeyondLastLine::OnePage => max_row,
9789 ScrollBeyondLastLine::Off => (max_row - height_in_lines + 1.).max(0.),
9790 ScrollBeyondLastLine::VerticalScrollMargin => {
9791 (max_row - height_in_lines + 1. + settings.vertical_scroll_margin)
9792 .max(0.)
9793 }
9794 }
9795 };
9796
9797 let (
9798 autoscroll_request,
9799 autoscroll_containing_element,
9800 needs_horizontal_autoscroll,
9801 ) = self.editor.update(cx, |editor, cx| {
9802 let autoscroll_request = editor.scroll_manager.take_autoscroll_request();
9803
9804 let autoscroll_containing_element =
9805 autoscroll_request.is_some() || editor.has_pending_selection();
9806
9807 let (needs_horizontal_autoscroll, was_scrolled) = editor
9808 .autoscroll_vertically(
9809 bounds,
9810 line_height,
9811 max_scroll_top,
9812 autoscroll_request,
9813 window,
9814 cx,
9815 );
9816 if was_scrolled.0 {
9817 snapshot = editor.snapshot(window, cx);
9818 }
9819 (
9820 autoscroll_request,
9821 autoscroll_containing_element,
9822 needs_horizontal_autoscroll,
9823 )
9824 });
9825
9826 let mut scroll_position = snapshot.scroll_position();
9827 // The scroll position is a fractional point, the whole number of which represents
9828 // the top of the window in terms of display rows.
9829 // We add clipped_top_in_lines to skip rows that are clipped by parent containers,
9830 // but we don't modify scroll_position itself since the parent handles positioning.
9831 let max_row = snapshot.max_point().row();
9832 let start_row = cmp::min(
9833 DisplayRow((scroll_position.y + clipped_top_in_lines).floor() as u32),
9834 max_row,
9835 );
9836 let end_row = cmp::min(
9837 (scroll_position.y + clipped_top_in_lines + visible_height_in_lines).ceil()
9838 as u32,
9839 max_row.next_row().0,
9840 );
9841 let end_row = DisplayRow(end_row);
9842
9843 let row_infos = snapshot // note we only get the visual range
9844 .row_infos(start_row)
9845 .take((start_row..end_row).len())
9846 .collect::<Vec<RowInfo>>();
9847 let is_row_soft_wrapped = |row: usize| {
9848 row_infos
9849 .get(row)
9850 .is_none_or(|info| info.buffer_row.is_none())
9851 };
9852
9853 let start_anchor = if start_row == Default::default() {
9854 Anchor::min()
9855 } else {
9856 snapshot.buffer_snapshot().anchor_before(
9857 DisplayPoint::new(start_row, 0).to_offset(&snapshot, Bias::Left),
9858 )
9859 };
9860 let end_anchor = if end_row > max_row {
9861 Anchor::max()
9862 } else {
9863 snapshot.buffer_snapshot().anchor_before(
9864 DisplayPoint::new(end_row, 0).to_offset(&snapshot, Bias::Right),
9865 )
9866 };
9867
9868 let mut highlighted_rows = self
9869 .editor
9870 .update(cx, |editor, cx| editor.highlighted_display_rows(window, cx));
9871
9872 let is_light = cx.theme().appearance().is_light();
9873
9874 let mut highlighted_ranges = self
9875 .editor_with_selections(cx)
9876 .map(|editor| {
9877 if editor == self.editor {
9878 editor.read(cx).background_highlights_in_range(
9879 start_anchor..end_anchor,
9880 &snapshot.display_snapshot,
9881 cx.theme(),
9882 )
9883 } else {
9884 editor.update(cx, |editor, cx| {
9885 let snapshot = editor.snapshot(window, cx);
9886 let start_anchor = if start_row == Default::default() {
9887 Anchor::min()
9888 } else {
9889 snapshot.buffer_snapshot().anchor_before(
9890 DisplayPoint::new(start_row, 0)
9891 .to_offset(&snapshot, Bias::Left),
9892 )
9893 };
9894 let end_anchor = if end_row > max_row {
9895 Anchor::max()
9896 } else {
9897 snapshot.buffer_snapshot().anchor_before(
9898 DisplayPoint::new(end_row, 0)
9899 .to_offset(&snapshot, Bias::Right),
9900 )
9901 };
9902
9903 editor.background_highlights_in_range(
9904 start_anchor..end_anchor,
9905 &snapshot.display_snapshot,
9906 cx.theme(),
9907 )
9908 })
9909 }
9910 })
9911 .unwrap_or_default();
9912
9913 for (ix, row_info) in row_infos.iter().enumerate() {
9914 let Some(diff_status) = row_info.diff_status else {
9915 continue;
9916 };
9917
9918 let background_color = match diff_status.kind {
9919 DiffHunkStatusKind::Added => cx.theme().colors().version_control_added,
9920 DiffHunkStatusKind::Deleted => {
9921 cx.theme().colors().version_control_deleted
9922 }
9923 DiffHunkStatusKind::Modified => {
9924 debug_panic!("modified diff status for row info");
9925 continue;
9926 }
9927 };
9928
9929 let hunk_opacity = if is_light { 0.16 } else { 0.12 };
9930
9931 let hollow_highlight = LineHighlight {
9932 background: (background_color.opacity(if is_light {
9933 0.08
9934 } else {
9935 0.06
9936 }))
9937 .into(),
9938 border: Some(if is_light {
9939 background_color.opacity(0.48)
9940 } else {
9941 background_color.opacity(0.36)
9942 }),
9943 include_gutter: true,
9944 type_id: None,
9945 };
9946
9947 let filled_highlight = LineHighlight {
9948 background: solid_background(background_color.opacity(hunk_opacity)),
9949 border: None,
9950 include_gutter: true,
9951 type_id: None,
9952 };
9953
9954 let background = if Self::diff_hunk_hollow(diff_status, cx) {
9955 hollow_highlight
9956 } else {
9957 filled_highlight
9958 };
9959
9960 let base_display_point =
9961 DisplayPoint::new(start_row + DisplayRow(ix as u32), 0);
9962
9963 highlighted_rows
9964 .entry(base_display_point.row())
9965 .or_insert(background);
9966 }
9967
9968 // Add diff review drag selection highlight to text area
9969 if let Some(drag_state) = &self.editor.read(cx).diff_review_drag_state {
9970 let range = drag_state.row_range(&snapshot.display_snapshot);
9971 let start_row = range.start().0;
9972 let end_row = range.end().0;
9973 let drag_highlight_color =
9974 cx.theme().colors().editor_active_line_background;
9975 let drag_highlight = LineHighlight {
9976 background: solid_background(drag_highlight_color),
9977 border: Some(cx.theme().colors().border_focused),
9978 include_gutter: true,
9979 type_id: None,
9980 };
9981 for row_num in start_row..=end_row {
9982 highlighted_rows
9983 .entry(DisplayRow(row_num))
9984 .or_insert(drag_highlight);
9985 }
9986 }
9987
9988 let highlighted_gutter_ranges =
9989 self.editor.read(cx).gutter_highlights_in_range(
9990 start_anchor..end_anchor,
9991 &snapshot.display_snapshot,
9992 cx,
9993 );
9994
9995 let document_colors = self
9996 .editor
9997 .read(cx)
9998 .colors
9999 .as_ref()
10000 .map(|colors| colors.editor_display_highlights(&snapshot));
10001 let redacted_ranges = self.editor.read(cx).redacted_ranges(
10002 start_anchor..end_anchor,
10003 &snapshot.display_snapshot,
10004 cx,
10005 );
10006
10007 let (local_selections, selected_buffer_ids, latest_selection_anchors): (
10008 Vec<Selection<Point>>,
10009 Vec<BufferId>,
10010 HashMap<BufferId, Anchor>,
10011 ) = self
10012 .editor_with_selections(cx)
10013 .map(|editor| {
10014 editor.update(cx, |editor, cx| {
10015 let all_selections =
10016 editor.selections.all::<Point>(&snapshot.display_snapshot);
10017 let all_anchor_selections =
10018 editor.selections.all_anchors(&snapshot.display_snapshot);
10019 let selected_buffer_ids =
10020 if editor.buffer_kind(cx) == ItemBufferKind::Singleton {
10021 Vec::new()
10022 } else {
10023 let mut selected_buffer_ids =
10024 Vec::with_capacity(all_selections.len());
10025
10026 for selection in all_selections {
10027 for buffer_id in snapshot
10028 .buffer_snapshot()
10029 .buffer_ids_for_range(selection.range())
10030 {
10031 if selected_buffer_ids.last() != Some(&buffer_id) {
10032 selected_buffer_ids.push(buffer_id);
10033 }
10034 }
10035 }
10036
10037 selected_buffer_ids
10038 };
10039
10040 let mut selections = editor.selections.disjoint_in_range(
10041 start_anchor..end_anchor,
10042 &snapshot.display_snapshot,
10043 );
10044 selections
10045 .extend(editor.selections.pending(&snapshot.display_snapshot));
10046
10047 let mut anchors_by_buffer: HashMap<BufferId, (usize, Anchor)> =
10048 HashMap::default();
10049 for selection in all_anchor_selections.iter() {
10050 let head = selection.head();
10051 if let Some(buffer_id) = head.text_anchor.buffer_id {
10052 anchors_by_buffer
10053 .entry(buffer_id)
10054 .and_modify(|(latest_id, latest_anchor)| {
10055 if selection.id > *latest_id {
10056 *latest_id = selection.id;
10057 *latest_anchor = head;
10058 }
10059 })
10060 .or_insert((selection.id, head));
10061 }
10062 }
10063 let latest_selection_anchors = anchors_by_buffer
10064 .into_iter()
10065 .map(|(buffer_id, (_, anchor))| (buffer_id, anchor))
10066 .collect();
10067
10068 (selections, selected_buffer_ids, latest_selection_anchors)
10069 })
10070 })
10071 .unwrap_or_else(|| (Vec::new(), Vec::new(), HashMap::default()));
10072
10073 let (selections, mut active_rows, newest_selection_head) = self
10074 .layout_selections(
10075 start_anchor,
10076 end_anchor,
10077 &local_selections,
10078 &snapshot,
10079 start_row,
10080 end_row,
10081 window,
10082 cx,
10083 );
10084
10085 // relative rows are based on newest selection, even outside the visible area
10086 let current_selection_head = self.editor.update(cx, |editor, cx| {
10087 (editor.selections.count() != 0).then(|| {
10088 let newest = editor
10089 .selections
10090 .newest::<Point>(&editor.display_snapshot(cx));
10091
10092 SelectionLayout::new(
10093 newest,
10094 editor.selections.line_mode(),
10095 editor.cursor_offset_on_selection,
10096 editor.cursor_shape,
10097 &snapshot,
10098 true,
10099 true,
10100 None,
10101 )
10102 .head
10103 .row()
10104 })
10105 });
10106
10107 let mut breakpoint_rows = self.editor.update(cx, |editor, cx| {
10108 editor.active_breakpoints(start_row..end_row, window, cx)
10109 });
10110 for (display_row, (_, bp, state)) in &breakpoint_rows {
10111 if bp.is_enabled() && state.is_none_or(|s| s.verified) {
10112 active_rows.entry(*display_row).or_default().breakpoint = true;
10113 }
10114 }
10115
10116 let line_numbers = self.layout_line_numbers(
10117 Some(&gutter_hitbox),
10118 gutter_dimensions,
10119 line_height,
10120 scroll_position,
10121 start_row..end_row,
10122 &row_infos,
10123 &active_rows,
10124 current_selection_head,
10125 &snapshot,
10126 window,
10127 cx,
10128 );
10129
10130 // We add the gutter breakpoint indicator to breakpoint_rows after painting
10131 // line numbers so we don't paint a line number debug accent color if a user
10132 // has their mouse over that line when a breakpoint isn't there
10133 self.editor.update(cx, |editor, _| {
10134 if let Some(phantom_breakpoint) = &mut editor
10135 .gutter_breakpoint_indicator
10136 .0
10137 .filter(|phantom_breakpoint| phantom_breakpoint.is_active)
10138 {
10139 // Is there a non-phantom breakpoint on this line?
10140 phantom_breakpoint.collides_with_existing_breakpoint = true;
10141 breakpoint_rows
10142 .entry(phantom_breakpoint.display_row)
10143 .or_insert_with(|| {
10144 let position = snapshot.display_point_to_anchor(
10145 DisplayPoint::new(phantom_breakpoint.display_row, 0),
10146 Bias::Right,
10147 );
10148 let breakpoint = Breakpoint::new_standard();
10149 phantom_breakpoint.collides_with_existing_breakpoint = false;
10150 (position, breakpoint, None)
10151 });
10152 }
10153 });
10154
10155 let mut expand_toggles =
10156 window.with_element_namespace("expand_toggles", |window| {
10157 self.layout_expand_toggles(
10158 &gutter_hitbox,
10159 gutter_dimensions,
10160 em_width,
10161 line_height,
10162 scroll_position,
10163 &row_infos,
10164 window,
10165 cx,
10166 )
10167 });
10168
10169 let mut crease_toggles =
10170 window.with_element_namespace("crease_toggles", |window| {
10171 self.layout_crease_toggles(
10172 start_row..end_row,
10173 &row_infos,
10174 &active_rows,
10175 &snapshot,
10176 window,
10177 cx,
10178 )
10179 });
10180 let crease_trailers =
10181 window.with_element_namespace("crease_trailers", |window| {
10182 self.layout_crease_trailers(
10183 row_infos.iter().cloned(),
10184 &snapshot,
10185 window,
10186 cx,
10187 )
10188 });
10189
10190 let display_hunks = self.layout_gutter_diff_hunks(
10191 line_height,
10192 &gutter_hitbox,
10193 start_row..end_row,
10194 &snapshot,
10195 window,
10196 cx,
10197 );
10198
10199 Self::layout_word_diff_highlights(
10200 &display_hunks,
10201 &row_infos,
10202 start_row,
10203 &snapshot,
10204 &mut highlighted_ranges,
10205 cx,
10206 );
10207
10208 let merged_highlighted_ranges =
10209 if let Some((_, colors)) = document_colors.as_ref() {
10210 &highlighted_ranges
10211 .clone()
10212 .into_iter()
10213 .chain(colors.clone())
10214 .collect()
10215 } else {
10216 &highlighted_ranges
10217 };
10218 let bg_segments_per_row = Self::bg_segments_per_row(
10219 start_row..end_row,
10220 &selections,
10221 &merged_highlighted_ranges,
10222 self.style.background,
10223 );
10224
10225 let mut line_layouts = Self::layout_lines(
10226 start_row..end_row,
10227 &snapshot,
10228 &self.style,
10229 editor_width,
10230 is_row_soft_wrapped,
10231 &bg_segments_per_row,
10232 window,
10233 cx,
10234 );
10235 let new_renderer_widths = (!is_minimap).then(|| {
10236 line_layouts
10237 .iter()
10238 .flat_map(|layout| &layout.fragments)
10239 .filter_map(|fragment| {
10240 if let LineFragment::Element { id, size, .. } = fragment {
10241 Some((*id, size.width))
10242 } else {
10243 None
10244 }
10245 })
10246 });
10247 let renderer_widths_changed = request_layout.has_remaining_prepaint_depth()
10248 && new_renderer_widths.is_some_and(|new_renderer_widths| {
10249 self.editor.update(cx, |editor, cx| {
10250 editor.update_renderer_widths(new_renderer_widths, cx)
10251 })
10252 });
10253 if renderer_widths_changed {
10254 return self.prepaint(
10255 None,
10256 _inspector_id,
10257 bounds,
10258 request_layout,
10259 window,
10260 cx,
10261 );
10262 }
10263
10264 let longest_line_blame_width = self
10265 .editor
10266 .update(cx, |editor, cx| {
10267 if !editor.show_git_blame_inline {
10268 return None;
10269 }
10270 let blame = editor.blame.as_ref()?;
10271 let (_, blame_entry) = blame
10272 .update(cx, |blame, cx| {
10273 let row_infos =
10274 snapshot.row_infos(snapshot.longest_row()).next()?;
10275 blame.blame_for_rows(&[row_infos], cx).next()
10276 })
10277 .flatten()?;
10278 let mut element = render_inline_blame_entry(blame_entry, style, cx)?;
10279 let inline_blame_padding =
10280 ProjectSettings::get_global(cx).git.inline_blame.padding as f32
10281 * em_advance;
10282 Some(
10283 element
10284 .layout_as_root(AvailableSpace::min_size(), window, cx)
10285 .width
10286 + inline_blame_padding,
10287 )
10288 })
10289 .unwrap_or(Pixels::ZERO);
10290
10291 let longest_line_width = layout_line(
10292 snapshot.longest_row(),
10293 &snapshot,
10294 style,
10295 editor_width,
10296 is_row_soft_wrapped,
10297 window,
10298 cx,
10299 )
10300 .width;
10301
10302 let scrollbar_layout_information = ScrollbarLayoutInformation::new(
10303 text_hitbox.bounds,
10304 glyph_grid_cell,
10305 size(
10306 longest_line_width,
10307 Pixels::from(max_row.as_f64() * f64::from(line_height)),
10308 ),
10309 longest_line_blame_width,
10310 EditorSettings::get_global(cx),
10311 );
10312
10313 let mut scroll_width = scrollbar_layout_information.scroll_range.width;
10314
10315 let sticky_header_excerpt = if snapshot.buffer_snapshot().show_headers() {
10316 snapshot.sticky_header_excerpt(scroll_position.y)
10317 } else {
10318 None
10319 };
10320 let sticky_header_excerpt_id =
10321 sticky_header_excerpt.as_ref().map(|top| top.excerpt.id);
10322
10323 let buffer = snapshot.buffer_snapshot();
10324 let start_buffer_row = MultiBufferRow(start_anchor.to_point(&buffer).row);
10325 let end_buffer_row = MultiBufferRow(end_anchor.to_point(&buffer).row);
10326
10327 let preliminary_scroll_pixel_position = point(
10328 scroll_position.x * f64::from(em_layout_width),
10329 scroll_position.y * f64::from(line_height),
10330 );
10331 let indent_guides = self.layout_indent_guides(
10332 content_origin,
10333 text_hitbox.origin,
10334 start_buffer_row..end_buffer_row,
10335 preliminary_scroll_pixel_position,
10336 line_height,
10337 &snapshot,
10338 window,
10339 cx,
10340 );
10341 let indent_guides_for_spacers = indent_guides.clone();
10342
10343 let blocks = (!is_minimap)
10344 .then(|| {
10345 window.with_element_namespace("blocks", |window| {
10346 self.render_blocks(
10347 start_row..end_row,
10348 &snapshot,
10349 &hitbox,
10350 &text_hitbox,
10351 editor_width,
10352 &mut scroll_width,
10353 &editor_margins,
10354 em_width,
10355 gutter_dimensions.full_width(),
10356 line_height,
10357 &mut line_layouts,
10358 &local_selections,
10359 &selected_buffer_ids,
10360 &latest_selection_anchors,
10361 is_row_soft_wrapped,
10362 sticky_header_excerpt_id,
10363 &indent_guides_for_spacers,
10364 window,
10365 cx,
10366 )
10367 })
10368 })
10369 .unwrap_or_default();
10370 let RenderBlocksOutput {
10371 non_spacer_blocks: mut blocks,
10372 mut spacer_blocks,
10373 row_block_types,
10374 resized_blocks,
10375 } = blocks;
10376 if let Some(resized_blocks) = resized_blocks {
10377 if request_layout.has_remaining_prepaint_depth() {
10378 self.editor.update(cx, |editor, cx| {
10379 editor.resize_blocks(
10380 resized_blocks,
10381 autoscroll_request.map(|(autoscroll, _)| autoscroll),
10382 cx,
10383 )
10384 });
10385 return self.prepaint(
10386 None,
10387 _inspector_id,
10388 bounds,
10389 request_layout,
10390 window,
10391 cx,
10392 );
10393 } else {
10394 debug_panic!(
10395 "dropping block resize because prepaint depth \
10396 limit was reached"
10397 );
10398 }
10399 }
10400
10401 let sticky_buffer_header = if self.should_show_buffer_headers() {
10402 sticky_header_excerpt.map(|sticky_header_excerpt| {
10403 window.with_element_namespace("blocks", |window| {
10404 self.layout_sticky_buffer_header(
10405 sticky_header_excerpt,
10406 scroll_position,
10407 line_height,
10408 right_margin,
10409 &snapshot,
10410 &hitbox,
10411 &selected_buffer_ids,
10412 &blocks,
10413 &latest_selection_anchors,
10414 window,
10415 cx,
10416 )
10417 })
10418 })
10419 } else {
10420 None
10421 };
10422
10423 let scroll_max: gpui::Point<ScrollPixelOffset> = point(
10424 ScrollPixelOffset::from(
10425 ((scroll_width - editor_width) / em_layout_width).max(0.0),
10426 ),
10427 max_scroll_top,
10428 );
10429
10430 self.editor.update(cx, |editor, cx| {
10431 if editor.scroll_manager.clamp_scroll_left(scroll_max.x, cx) {
10432 scroll_position.x = scroll_max.x.min(scroll_position.x);
10433 }
10434
10435 if needs_horizontal_autoscroll.0
10436 && let Some(new_scroll_position) = editor.autoscroll_horizontally(
10437 start_row,
10438 editor_width,
10439 scroll_width,
10440 em_advance,
10441 &line_layouts,
10442 autoscroll_request,
10443 window,
10444 cx,
10445 )
10446 {
10447 scroll_position = new_scroll_position;
10448 }
10449 });
10450
10451 let scroll_pixel_position = point(
10452 scroll_position.x * f64::from(em_layout_width),
10453 scroll_position.y * f64::from(line_height),
10454 );
10455 let sticky_headers = if !is_minimap
10456 && is_singleton
10457 && EditorSettings::get_global(cx).sticky_scroll.enabled
10458 {
10459 let relative = self.editor.read(cx).relative_line_numbers(cx);
10460 self.layout_sticky_headers(
10461 &snapshot,
10462 editor_width,
10463 is_row_soft_wrapped,
10464 line_height,
10465 scroll_pixel_position,
10466 content_origin,
10467 &gutter_dimensions,
10468 &gutter_hitbox,
10469 &text_hitbox,
10470 relative,
10471 current_selection_head,
10472 window,
10473 cx,
10474 )
10475 } else {
10476 None
10477 };
10478 self.editor.update(cx, |editor, _| {
10479 editor.scroll_manager.set_sticky_header_line_count(
10480 sticky_headers.as_ref().map_or(0, |h| h.lines.len()),
10481 );
10482 });
10483 let indent_guides =
10484 if scroll_pixel_position != preliminary_scroll_pixel_position {
10485 self.layout_indent_guides(
10486 content_origin,
10487 text_hitbox.origin,
10488 start_buffer_row..end_buffer_row,
10489 scroll_pixel_position,
10490 line_height,
10491 &snapshot,
10492 window,
10493 cx,
10494 )
10495 } else {
10496 indent_guides
10497 };
10498
10499 let crease_trailers =
10500 window.with_element_namespace("crease_trailers", |window| {
10501 self.prepaint_crease_trailers(
10502 crease_trailers,
10503 &line_layouts,
10504 line_height,
10505 content_origin,
10506 scroll_pixel_position,
10507 em_width,
10508 window,
10509 cx,
10510 )
10511 });
10512
10513 let (edit_prediction_popover, edit_prediction_popover_origin) = self
10514 .editor
10515 .update(cx, |editor, cx| {
10516 editor.render_edit_prediction_popover(
10517 &text_hitbox.bounds,
10518 content_origin,
10519 right_margin,
10520 &snapshot,
10521 start_row..end_row,
10522 scroll_position.y,
10523 scroll_position.y + height_in_lines,
10524 &line_layouts,
10525 line_height,
10526 scroll_position,
10527 scroll_pixel_position,
10528 newest_selection_head,
10529 editor_width,
10530 style,
10531 window,
10532 cx,
10533 )
10534 })
10535 .unzip();
10536
10537 let mut inline_diagnostics = self.layout_inline_diagnostics(
10538 &line_layouts,
10539 &crease_trailers,
10540 &row_block_types,
10541 content_origin,
10542 scroll_position,
10543 scroll_pixel_position,
10544 edit_prediction_popover_origin,
10545 start_row,
10546 end_row,
10547 line_height,
10548 em_width,
10549 style,
10550 window,
10551 cx,
10552 );
10553
10554 let mut inline_blame_layout = None;
10555 let mut inline_code_actions = None;
10556 if let Some(newest_selection_head) = newest_selection_head {
10557 let display_row = newest_selection_head.row();
10558 if (start_row..end_row).contains(&display_row)
10559 && !row_block_types.contains_key(&display_row)
10560 {
10561 inline_code_actions = self.layout_inline_code_actions(
10562 newest_selection_head,
10563 content_origin,
10564 scroll_position,
10565 scroll_pixel_position,
10566 line_height,
10567 &snapshot,
10568 window,
10569 cx,
10570 );
10571
10572 let line_ix = display_row.minus(start_row) as usize;
10573 if let (Some(row_info), Some(line_layout), Some(crease_trailer)) = (
10574 row_infos.get(line_ix),
10575 line_layouts.get(line_ix),
10576 crease_trailers.get(line_ix),
10577 ) {
10578 let crease_trailer_layout = crease_trailer.as_ref();
10579 if let Some(layout) = self.layout_inline_blame(
10580 display_row,
10581 row_info,
10582 line_layout,
10583 crease_trailer_layout,
10584 em_width,
10585 content_origin,
10586 scroll_position,
10587 scroll_pixel_position,
10588 line_height,
10589 window,
10590 cx,
10591 ) {
10592 inline_blame_layout = Some(layout);
10593 // Blame overrides inline diagnostics
10594 inline_diagnostics.remove(&display_row);
10595 }
10596 } else {
10597 log::error!(
10598 "bug: line_ix {} is out of bounds - row_infos.len(): {}, \
10599 line_layouts.len(): {}, \
10600 crease_trailers.len(): {}",
10601 line_ix,
10602 row_infos.len(),
10603 line_layouts.len(),
10604 crease_trailers.len(),
10605 );
10606 }
10607 }
10608 }
10609
10610 let blamed_display_rows = self.layout_blame_entries(
10611 &row_infos,
10612 em_width,
10613 scroll_position,
10614 line_height,
10615 &gutter_hitbox,
10616 gutter_dimensions.git_blame_entries_width,
10617 window,
10618 cx,
10619 );
10620
10621 let line_elements = self.prepaint_lines(
10622 start_row,
10623 &mut line_layouts,
10624 line_height,
10625 scroll_position,
10626 scroll_pixel_position,
10627 content_origin,
10628 window,
10629 cx,
10630 );
10631
10632 window.with_element_namespace("blocks", |window| {
10633 self.layout_blocks(
10634 &mut blocks,
10635 &hitbox,
10636 &gutter_hitbox,
10637 line_height,
10638 scroll_position,
10639 scroll_pixel_position,
10640 &editor_margins,
10641 window,
10642 cx,
10643 );
10644 self.layout_blocks(
10645 &mut spacer_blocks,
10646 &hitbox,
10647 &gutter_hitbox,
10648 line_height,
10649 scroll_position,
10650 scroll_pixel_position,
10651 &editor_margins,
10652 window,
10653 cx,
10654 );
10655 });
10656
10657 let cursors = self.collect_cursors(&snapshot, cx);
10658 let visible_row_range = start_row..end_row;
10659 let non_visible_cursors = cursors
10660 .iter()
10661 .any(|c| !visible_row_range.contains(&c.0.row()));
10662
10663 let visible_cursors = self.layout_visible_cursors(
10664 &snapshot,
10665 &selections,
10666 &row_block_types,
10667 start_row..end_row,
10668 &line_layouts,
10669 &text_hitbox,
10670 content_origin,
10671 scroll_position,
10672 scroll_pixel_position,
10673 line_height,
10674 em_width,
10675 em_advance,
10676 autoscroll_containing_element,
10677 &redacted_ranges,
10678 window,
10679 cx,
10680 );
10681
10682 let scrollbars_layout = self.layout_scrollbars(
10683 &snapshot,
10684 &scrollbar_layout_information,
10685 content_offset,
10686 scroll_position,
10687 non_visible_cursors,
10688 right_margin,
10689 editor_width,
10690 window,
10691 cx,
10692 );
10693
10694 let gutter_settings = EditorSettings::get_global(cx).gutter;
10695
10696 let context_menu_layout =
10697 if let Some(newest_selection_head) = newest_selection_head {
10698 let newest_selection_point =
10699 newest_selection_head.to_point(&snapshot.display_snapshot);
10700 if (start_row..end_row).contains(&newest_selection_head.row()) {
10701 self.layout_cursor_popovers(
10702 line_height,
10703 &text_hitbox,
10704 content_origin,
10705 right_margin,
10706 start_row,
10707 scroll_pixel_position,
10708 &line_layouts,
10709 newest_selection_head,
10710 newest_selection_point,
10711 style,
10712 window,
10713 cx,
10714 )
10715 } else {
10716 None
10717 }
10718 } else {
10719 None
10720 };
10721
10722 self.layout_gutter_menu(
10723 line_height,
10724 &text_hitbox,
10725 content_origin,
10726 right_margin,
10727 scroll_pixel_position,
10728 gutter_dimensions.width - gutter_dimensions.left_padding,
10729 window,
10730 cx,
10731 );
10732
10733 let test_indicators = if gutter_settings.runnables {
10734 self.layout_run_indicators(
10735 line_height,
10736 start_row..end_row,
10737 &row_infos,
10738 scroll_position,
10739 &gutter_dimensions,
10740 &gutter_hitbox,
10741 &snapshot,
10742 &mut breakpoint_rows,
10743 window,
10744 cx,
10745 )
10746 } else {
10747 Vec::new()
10748 };
10749
10750 let show_breakpoints = snapshot
10751 .show_breakpoints
10752 .unwrap_or(gutter_settings.breakpoints);
10753 let breakpoints = if show_breakpoints {
10754 self.layout_breakpoints(
10755 line_height,
10756 start_row..end_row,
10757 scroll_position,
10758 &gutter_dimensions,
10759 &gutter_hitbox,
10760 &snapshot,
10761 breakpoint_rows,
10762 &row_infos,
10763 window,
10764 cx,
10765 )
10766 } else {
10767 Vec::new()
10768 };
10769
10770 let git_gutter_width = Self::gutter_strip_width(line_height)
10771 + gutter_dimensions
10772 .git_blame_entries_width
10773 .unwrap_or_default();
10774 let available_width = gutter_dimensions.left_padding - git_gutter_width;
10775
10776 let max_line_number_length = self
10777 .editor
10778 .read(cx)
10779 .buffer()
10780 .read(cx)
10781 .snapshot(cx)
10782 .widest_line_number()
10783 .ilog10()
10784 + 1;
10785
10786 let diff_review_button = self
10787 .should_render_diff_review_button(
10788 start_row..end_row,
10789 &row_infos,
10790 &snapshot,
10791 cx,
10792 )
10793 .map(|(display_row, buffer_row)| {
10794 let is_wide = max_line_number_length
10795 >= EditorSettings::get_global(cx).gutter.min_line_number_digits
10796 as u32
10797 && buffer_row.is_some_and(|row| {
10798 (row + 1).ilog10() + 1 == max_line_number_length
10799 })
10800 || gutter_dimensions.right_padding == px(0.);
10801
10802 let button_width = if is_wide {
10803 available_width - px(6.)
10804 } else {
10805 available_width + em_width - px(6.)
10806 };
10807
10808 let button = self.editor.update(cx, |editor, cx| {
10809 editor
10810 .render_diff_review_button(display_row, button_width, cx)
10811 .into_any_element()
10812 });
10813 prepaint_gutter_button(
10814 button,
10815 display_row,
10816 line_height,
10817 &gutter_dimensions,
10818 scroll_position,
10819 &gutter_hitbox,
10820 window,
10821 cx,
10822 )
10823 });
10824
10825 self.layout_signature_help(
10826 &hitbox,
10827 content_origin,
10828 scroll_pixel_position,
10829 newest_selection_head,
10830 start_row,
10831 &line_layouts,
10832 line_height,
10833 em_width,
10834 context_menu_layout,
10835 window,
10836 cx,
10837 );
10838
10839 if !cx.has_active_drag() {
10840 self.layout_hover_popovers(
10841 &snapshot,
10842 &hitbox,
10843 start_row..end_row,
10844 content_origin,
10845 scroll_pixel_position,
10846 &line_layouts,
10847 line_height,
10848 em_width,
10849 context_menu_layout,
10850 window,
10851 cx,
10852 );
10853
10854 self.layout_blame_popover(&snapshot, &hitbox, line_height, window, cx);
10855 }
10856
10857 let mouse_context_menu = self.layout_mouse_context_menu(
10858 &snapshot,
10859 start_row..end_row,
10860 content_origin,
10861 window,
10862 cx,
10863 );
10864
10865 window.with_element_namespace("crease_toggles", |window| {
10866 self.prepaint_crease_toggles(
10867 &mut crease_toggles,
10868 line_height,
10869 &gutter_dimensions,
10870 gutter_settings,
10871 scroll_pixel_position,
10872 &gutter_hitbox,
10873 window,
10874 cx,
10875 )
10876 });
10877
10878 window.with_element_namespace("expand_toggles", |window| {
10879 self.prepaint_expand_toggles(&mut expand_toggles, window, cx)
10880 });
10881
10882 let wrap_guides = self.layout_wrap_guides(
10883 em_advance,
10884 scroll_position,
10885 content_origin,
10886 scrollbars_layout.as_ref(),
10887 vertical_scrollbar_width,
10888 &hitbox,
10889 window,
10890 cx,
10891 );
10892
10893 let minimap = window.with_element_namespace("minimap", |window| {
10894 self.layout_minimap(
10895 &snapshot,
10896 minimap_width,
10897 scroll_position,
10898 &scrollbar_layout_information,
10899 scrollbars_layout.as_ref(),
10900 window,
10901 cx,
10902 )
10903 });
10904
10905 let invisible_symbol_font_size = font_size / 2.;
10906 let whitespace_map = &self
10907 .editor
10908 .read(cx)
10909 .buffer
10910 .read(cx)
10911 .language_settings(cx)
10912 .whitespace_map;
10913
10914 let tab_char = whitespace_map.tab.clone();
10915 let tab_len = tab_char.len();
10916 let tab_invisible = window.text_system().shape_line(
10917 tab_char,
10918 invisible_symbol_font_size,
10919 &[TextRun {
10920 len: tab_len,
10921 font: self.style.text.font(),
10922 color: cx.theme().colors().editor_invisible,
10923 ..Default::default()
10924 }],
10925 None,
10926 );
10927
10928 let space_char = whitespace_map.space.clone();
10929 let space_len = space_char.len();
10930 let space_invisible = window.text_system().shape_line(
10931 space_char,
10932 invisible_symbol_font_size,
10933 &[TextRun {
10934 len: space_len,
10935 font: self.style.text.font(),
10936 color: cx.theme().colors().editor_invisible,
10937 ..Default::default()
10938 }],
10939 None,
10940 );
10941
10942 let mode = snapshot.mode.clone();
10943
10944 let sticky_scroll_header_height = sticky_headers
10945 .as_ref()
10946 .and_then(|headers| headers.lines.last())
10947 .map_or(Pixels::ZERO, |last| last.offset + line_height);
10948
10949 let has_sticky_buffer_header =
10950 sticky_buffer_header.is_some() || sticky_header_excerpt_id.is_some();
10951 let sticky_header_height = if has_sticky_buffer_header {
10952 let full_height = FILE_HEADER_HEIGHT as f32 * line_height;
10953 let display_row = blocks
10954 .iter()
10955 .filter(|block| block.is_buffer_header)
10956 .find_map(|block| {
10957 block.row.filter(|row| row.0 > scroll_position.y as u32)
10958 });
10959 let offset = match display_row {
10960 Some(display_row) => {
10961 let max_row = display_row.0.saturating_sub(FILE_HEADER_HEIGHT);
10962 let offset = (scroll_position.y - max_row as f64).max(0.0);
10963 let slide_up =
10964 Pixels::from(offset * ScrollPixelOffset::from(line_height));
10965
10966 (full_height - slide_up).max(Pixels::ZERO)
10967 }
10968 None => full_height,
10969 };
10970 let header_bottom_padding =
10971 BUFFER_HEADER_PADDING.to_pixels(window.rem_size());
10972 sticky_scroll_header_height + offset - header_bottom_padding
10973 } else {
10974 sticky_scroll_header_height
10975 };
10976
10977 let (diff_hunk_controls, diff_hunk_control_bounds) =
10978 if is_read_only && !self.editor.read(cx).delegate_stage_and_restore {
10979 (vec![], vec![])
10980 } else {
10981 self.layout_diff_hunk_controls(
10982 start_row..end_row,
10983 &row_infos,
10984 &text_hitbox,
10985 current_selection_head,
10986 line_height,
10987 right_margin,
10988 scroll_pixel_position,
10989 sticky_header_height,
10990 &display_hunks,
10991 &highlighted_rows,
10992 self.editor.clone(),
10993 window,
10994 cx,
10995 )
10996 };
10997
10998 let position_map = Rc::new(PositionMap {
10999 size: bounds.size,
11000 visible_row_range,
11001 scroll_position,
11002 scroll_pixel_position,
11003 scroll_max,
11004 line_layouts,
11005 line_height,
11006 em_width,
11007 em_advance,
11008 em_layout_width,
11009 snapshot,
11010 text_align: self.style.text.text_align,
11011 content_width: text_hitbox.size.width,
11012 gutter_hitbox: gutter_hitbox.clone(),
11013 text_hitbox: text_hitbox.clone(),
11014 inline_blame_bounds: inline_blame_layout
11015 .as_ref()
11016 .map(|layout| (layout.bounds, layout.buffer_id, layout.entry.clone())),
11017 display_hunks: display_hunks.clone(),
11018 diff_hunk_control_bounds,
11019 });
11020
11021 self.editor.update(cx, |editor, _| {
11022 editor.last_position_map = Some(position_map.clone())
11023 });
11024
11025 EditorLayout {
11026 mode,
11027 position_map,
11028 visible_display_row_range: start_row..end_row,
11029 wrap_guides,
11030 indent_guides,
11031 hitbox,
11032 gutter_hitbox,
11033 display_hunks,
11034 content_origin,
11035 scrollbars_layout,
11036 minimap,
11037 active_rows,
11038 highlighted_rows,
11039 highlighted_ranges,
11040 highlighted_gutter_ranges,
11041 redacted_ranges,
11042 document_colors,
11043 line_elements,
11044 line_numbers,
11045 blamed_display_rows,
11046 inline_diagnostics,
11047 inline_blame_layout,
11048 inline_code_actions,
11049 blocks,
11050 spacer_blocks,
11051 cursors,
11052 visible_cursors,
11053 selections,
11054 edit_prediction_popover,
11055 diff_hunk_controls,
11056 mouse_context_menu,
11057 test_indicators,
11058 breakpoints,
11059 diff_review_button,
11060 crease_toggles,
11061 crease_trailers,
11062 tab_invisible,
11063 space_invisible,
11064 sticky_buffer_header,
11065 sticky_headers,
11066 expand_toggles,
11067 text_align: self.style.text.text_align,
11068 content_width: text_hitbox.size.width,
11069 }
11070 })
11071 })
11072 })
11073 }
11074
11075 fn paint(
11076 &mut self,
11077 _: Option<&GlobalElementId>,
11078 _inspector_id: Option<&gpui::InspectorElementId>,
11079 bounds: Bounds<gpui::Pixels>,
11080 _: &mut Self::RequestLayoutState,
11081 layout: &mut Self::PrepaintState,
11082 window: &mut Window,
11083 cx: &mut App,
11084 ) {
11085 if !layout.mode.is_minimap() {
11086 let focus_handle = self.editor.focus_handle(cx);
11087 let key_context = self
11088 .editor
11089 .update(cx, |editor, cx| editor.key_context(window, cx));
11090
11091 window.set_key_context(key_context);
11092 window.handle_input(
11093 &focus_handle,
11094 ElementInputHandler::new(bounds, self.editor.clone()),
11095 cx,
11096 );
11097 self.register_actions(window, cx);
11098 self.register_key_listeners(window, cx, layout);
11099 }
11100
11101 let text_style = TextStyleRefinement {
11102 font_size: Some(self.style.text.font_size),
11103 line_height: Some(self.style.text.line_height),
11104 ..Default::default()
11105 };
11106 let rem_size = self.rem_size(cx);
11107 window.with_rem_size(rem_size, |window| {
11108 window.with_text_style(Some(text_style), |window| {
11109 window.with_content_mask(Some(ContentMask { bounds }), |window| {
11110 self.paint_mouse_listeners(layout, window, cx);
11111 self.paint_background(layout, window, cx);
11112
11113 self.paint_indent_guides(layout, window, cx);
11114
11115 if layout.gutter_hitbox.size.width > Pixels::ZERO {
11116 self.paint_blamed_display_rows(layout, window, cx);
11117 self.paint_line_numbers(layout, window, cx);
11118 }
11119
11120 self.paint_text(layout, window, cx);
11121
11122 if !layout.spacer_blocks.is_empty() {
11123 window.with_element_namespace("blocks", |window| {
11124 self.paint_spacer_blocks(layout, window, cx);
11125 });
11126 }
11127
11128 if layout.gutter_hitbox.size.width > Pixels::ZERO {
11129 self.paint_gutter_highlights(layout, window, cx);
11130 self.paint_gutter_indicators(layout, window, cx);
11131 }
11132
11133 if !layout.blocks.is_empty() {
11134 window.with_element_namespace("blocks", |window| {
11135 self.paint_non_spacer_blocks(layout, window, cx);
11136 });
11137 }
11138
11139 window.with_element_namespace("blocks", |window| {
11140 if let Some(mut sticky_header) = layout.sticky_buffer_header.take() {
11141 sticky_header.paint(window, cx)
11142 }
11143 });
11144
11145 self.paint_sticky_headers(layout, window, cx);
11146 self.paint_minimap(layout, window, cx);
11147 self.paint_scrollbars(layout, window, cx);
11148 self.paint_edit_prediction_popover(layout, window, cx);
11149 self.paint_mouse_context_menu(layout, window, cx);
11150 });
11151 })
11152 })
11153 }
11154}
11155
11156pub(super) fn gutter_bounds(
11157 editor_bounds: Bounds<Pixels>,
11158 gutter_dimensions: GutterDimensions,
11159) -> Bounds<Pixels> {
11160 Bounds {
11161 origin: editor_bounds.origin,
11162 size: size(gutter_dimensions.width, editor_bounds.size.height),
11163 }
11164}
11165
11166#[derive(Clone, Copy)]
11167struct ContextMenuLayout {
11168 y_flipped: bool,
11169 bounds: Bounds<Pixels>,
11170}
11171
11172/// Holds information required for layouting the editor scrollbars.
11173struct ScrollbarLayoutInformation {
11174 /// The bounds of the editor area (excluding the content offset).
11175 editor_bounds: Bounds<Pixels>,
11176 /// The available range to scroll within the document.
11177 scroll_range: Size<Pixels>,
11178 /// The space available for one glyph in the editor.
11179 glyph_grid_cell: Size<Pixels>,
11180}
11181
11182impl ScrollbarLayoutInformation {
11183 pub fn new(
11184 editor_bounds: Bounds<Pixels>,
11185 glyph_grid_cell: Size<Pixels>,
11186 document_size: Size<Pixels>,
11187 longest_line_blame_width: Pixels,
11188 settings: &EditorSettings,
11189 ) -> Self {
11190 let vertical_overscroll = match settings.scroll_beyond_last_line {
11191 ScrollBeyondLastLine::OnePage => editor_bounds.size.height,
11192 ScrollBeyondLastLine::Off => glyph_grid_cell.height,
11193 ScrollBeyondLastLine::VerticalScrollMargin => {
11194 (1.0 + settings.vertical_scroll_margin) as f32 * glyph_grid_cell.height
11195 }
11196 };
11197
11198 let overscroll = size(longest_line_blame_width, vertical_overscroll);
11199
11200 ScrollbarLayoutInformation {
11201 editor_bounds,
11202 scroll_range: document_size + overscroll,
11203 glyph_grid_cell,
11204 }
11205 }
11206}
11207
11208impl IntoElement for EditorElement {
11209 type Element = Self;
11210
11211 fn into_element(self) -> Self::Element {
11212 self
11213 }
11214}
11215
11216pub struct EditorLayout {
11217 position_map: Rc<PositionMap>,
11218 hitbox: Hitbox,
11219 gutter_hitbox: Hitbox,
11220 content_origin: gpui::Point<Pixels>,
11221 scrollbars_layout: Option<EditorScrollbars>,
11222 minimap: Option<MinimapLayout>,
11223 mode: EditorMode,
11224 wrap_guides: SmallVec<[(Pixels, bool); 2]>,
11225 indent_guides: Option<Vec<IndentGuideLayout>>,
11226 visible_display_row_range: Range<DisplayRow>,
11227 active_rows: BTreeMap<DisplayRow, LineHighlightSpec>,
11228 highlighted_rows: BTreeMap<DisplayRow, LineHighlight>,
11229 line_elements: SmallVec<[AnyElement; 1]>,
11230 line_numbers: Arc<HashMap<MultiBufferRow, LineNumberLayout>>,
11231 display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
11232 blamed_display_rows: Option<Vec<AnyElement>>,
11233 inline_diagnostics: HashMap<DisplayRow, AnyElement>,
11234 inline_blame_layout: Option<InlineBlameLayout>,
11235 inline_code_actions: Option<AnyElement>,
11236 blocks: Vec<BlockLayout>,
11237 spacer_blocks: Vec<BlockLayout>,
11238 highlighted_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
11239 highlighted_gutter_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
11240 redacted_ranges: Vec<Range<DisplayPoint>>,
11241 cursors: Vec<(DisplayPoint, Hsla)>,
11242 visible_cursors: Vec<CursorLayout>,
11243 selections: Vec<(PlayerColor, Vec<SelectionLayout>)>,
11244 test_indicators: Vec<AnyElement>,
11245 breakpoints: Vec<AnyElement>,
11246 diff_review_button: Option<AnyElement>,
11247 crease_toggles: Vec<Option<AnyElement>>,
11248 expand_toggles: Vec<Option<(AnyElement, gpui::Point<Pixels>)>>,
11249 diff_hunk_controls: Vec<AnyElement>,
11250 crease_trailers: Vec<Option<CreaseTrailerLayout>>,
11251 edit_prediction_popover: Option<AnyElement>,
11252 mouse_context_menu: Option<AnyElement>,
11253 tab_invisible: ShapedLine,
11254 space_invisible: ShapedLine,
11255 sticky_buffer_header: Option<AnyElement>,
11256 sticky_headers: Option<StickyHeaders>,
11257 document_colors: Option<(DocumentColorsRenderMode, Vec<(Range<DisplayPoint>, Hsla)>)>,
11258 text_align: TextAlign,
11259 content_width: Pixels,
11260}
11261
11262struct StickyHeaders {
11263 lines: Vec<StickyHeaderLine>,
11264 gutter_background: Hsla,
11265 content_background: Hsla,
11266 gutter_right_padding: Pixels,
11267}
11268
11269struct StickyHeaderLine {
11270 row: DisplayRow,
11271 offset: Pixels,
11272 line: Rc<LineWithInvisibles>,
11273 line_number: Option<ShapedLine>,
11274 elements: SmallVec<[AnyElement; 1]>,
11275 available_text_width: Pixels,
11276 hitbox: Hitbox,
11277}
11278
11279impl EditorLayout {
11280 fn line_end_overshoot(&self) -> Pixels {
11281 0.15 * self.position_map.line_height
11282 }
11283}
11284
11285impl StickyHeaders {
11286 fn paint(
11287 &mut self,
11288 layout: &mut EditorLayout,
11289 whitespace_setting: ShowWhitespaceSetting,
11290 window: &mut Window,
11291 cx: &mut App,
11292 ) {
11293 let line_height = layout.position_map.line_height;
11294
11295 for line in self.lines.iter_mut().rev() {
11296 window.paint_layer(
11297 Bounds::new(
11298 layout.gutter_hitbox.origin + point(Pixels::ZERO, line.offset),
11299 size(line.hitbox.size.width, line_height),
11300 ),
11301 |window| {
11302 let gutter_bounds = Bounds::new(
11303 layout.gutter_hitbox.origin + point(Pixels::ZERO, line.offset),
11304 size(layout.gutter_hitbox.size.width, line_height),
11305 );
11306 window.paint_quad(fill(gutter_bounds, self.gutter_background));
11307
11308 let text_bounds = Bounds::new(
11309 layout.position_map.text_hitbox.origin + point(Pixels::ZERO, line.offset),
11310 size(line.available_text_width, line_height),
11311 );
11312 window.paint_quad(fill(text_bounds, self.content_background));
11313
11314 if line.hitbox.is_hovered(window) {
11315 let hover_overlay = cx.theme().colors().panel_overlay_hover;
11316 window.paint_quad(fill(gutter_bounds, hover_overlay));
11317 window.paint_quad(fill(text_bounds, hover_overlay));
11318 }
11319
11320 line.paint(
11321 layout,
11322 self.gutter_right_padding,
11323 line.available_text_width,
11324 layout.content_origin,
11325 line_height,
11326 whitespace_setting,
11327 window,
11328 cx,
11329 );
11330 },
11331 );
11332
11333 window.set_cursor_style(CursorStyle::IBeam, &line.hitbox);
11334 }
11335 }
11336}
11337
11338impl StickyHeaderLine {
11339 fn new(
11340 row: DisplayRow,
11341 offset: Pixels,
11342 mut line: LineWithInvisibles,
11343 line_number: Option<ShapedLine>,
11344 line_height: Pixels,
11345 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
11346 content_origin: gpui::Point<Pixels>,
11347 gutter_hitbox: &Hitbox,
11348 text_hitbox: &Hitbox,
11349 window: &mut Window,
11350 cx: &mut App,
11351 ) -> Self {
11352 let mut elements = SmallVec::<[AnyElement; 1]>::new();
11353 line.prepaint_with_custom_offset(
11354 line_height,
11355 scroll_pixel_position,
11356 content_origin,
11357 offset,
11358 &mut elements,
11359 window,
11360 cx,
11361 );
11362
11363 let hitbox_bounds = Bounds::new(
11364 gutter_hitbox.origin + point(Pixels::ZERO, offset),
11365 size(text_hitbox.right() - gutter_hitbox.left(), line_height),
11366 );
11367 let available_text_width =
11368 (hitbox_bounds.size.width - gutter_hitbox.size.width).max(Pixels::ZERO);
11369
11370 Self {
11371 row,
11372 offset,
11373 line: Rc::new(line),
11374 line_number,
11375 elements,
11376 available_text_width,
11377 hitbox: window.insert_hitbox(hitbox_bounds, HitboxBehavior::BlockMouseExceptScroll),
11378 }
11379 }
11380
11381 fn paint(
11382 &mut self,
11383 layout: &EditorLayout,
11384 gutter_right_padding: Pixels,
11385 available_text_width: Pixels,
11386 content_origin: gpui::Point<Pixels>,
11387 line_height: Pixels,
11388 whitespace_setting: ShowWhitespaceSetting,
11389 window: &mut Window,
11390 cx: &mut App,
11391 ) {
11392 window.with_content_mask(
11393 Some(ContentMask {
11394 bounds: Bounds::new(
11395 layout.position_map.text_hitbox.bounds.origin
11396 + point(Pixels::ZERO, self.offset),
11397 size(available_text_width, line_height),
11398 ),
11399 }),
11400 |window| {
11401 self.line.draw_with_custom_offset(
11402 layout,
11403 self.row,
11404 content_origin,
11405 self.offset,
11406 whitespace_setting,
11407 &[],
11408 window,
11409 cx,
11410 );
11411 for element in &mut self.elements {
11412 element.paint(window, cx);
11413 }
11414 },
11415 );
11416
11417 if let Some(line_number) = &self.line_number {
11418 let gutter_origin = layout.gutter_hitbox.origin + point(Pixels::ZERO, self.offset);
11419 let gutter_width = layout.gutter_hitbox.size.width;
11420 let origin = point(
11421 gutter_origin.x + gutter_width - gutter_right_padding - line_number.width,
11422 gutter_origin.y,
11423 );
11424 line_number
11425 .paint(origin, line_height, TextAlign::Left, None, window, cx)
11426 .log_err();
11427 }
11428 }
11429}
11430
11431#[derive(Debug)]
11432struct LineNumberSegment {
11433 shaped_line: ShapedLine,
11434 hitbox: Option<Hitbox>,
11435}
11436
11437#[derive(Debug)]
11438struct LineNumberLayout {
11439 segments: SmallVec<[LineNumberSegment; 1]>,
11440}
11441
11442struct ColoredRange<T> {
11443 start: T,
11444 end: T,
11445 color: Hsla,
11446}
11447
11448impl Along for ScrollbarAxes {
11449 type Unit = bool;
11450
11451 fn along(&self, axis: ScrollbarAxis) -> Self::Unit {
11452 match axis {
11453 ScrollbarAxis::Horizontal => self.horizontal,
11454 ScrollbarAxis::Vertical => self.vertical,
11455 }
11456 }
11457
11458 fn apply_along(&self, axis: ScrollbarAxis, f: impl FnOnce(Self::Unit) -> Self::Unit) -> Self {
11459 match axis {
11460 ScrollbarAxis::Horizontal => ScrollbarAxes {
11461 horizontal: f(self.horizontal),
11462 vertical: self.vertical,
11463 },
11464 ScrollbarAxis::Vertical => ScrollbarAxes {
11465 horizontal: self.horizontal,
11466 vertical: f(self.vertical),
11467 },
11468 }
11469 }
11470}
11471
11472#[derive(Clone)]
11473struct EditorScrollbars {
11474 pub vertical: Option<ScrollbarLayout>,
11475 pub horizontal: Option<ScrollbarLayout>,
11476 pub visible: bool,
11477}
11478
11479impl EditorScrollbars {
11480 pub fn from_scrollbar_axes(
11481 show_scrollbar: ScrollbarAxes,
11482 layout_information: &ScrollbarLayoutInformation,
11483 content_offset: gpui::Point<Pixels>,
11484 scroll_position: gpui::Point<f64>,
11485 scrollbar_width: Pixels,
11486 right_margin: Pixels,
11487 editor_width: Pixels,
11488 show_scrollbars: bool,
11489 scrollbar_state: Option<&ActiveScrollbarState>,
11490 window: &mut Window,
11491 ) -> Self {
11492 let ScrollbarLayoutInformation {
11493 editor_bounds,
11494 scroll_range,
11495 glyph_grid_cell,
11496 } = layout_information;
11497
11498 let viewport_size = size(editor_width, editor_bounds.size.height);
11499
11500 let scrollbar_bounds_for = |axis: ScrollbarAxis| match axis {
11501 ScrollbarAxis::Horizontal => Bounds::from_corner_and_size(
11502 Corner::BottomLeft,
11503 editor_bounds.bottom_left(),
11504 size(
11505 // The horizontal viewport size differs from the space available for the
11506 // horizontal scrollbar, so we have to manually stitch it together here.
11507 editor_bounds.size.width - right_margin,
11508 scrollbar_width,
11509 ),
11510 ),
11511 ScrollbarAxis::Vertical => Bounds::from_corner_and_size(
11512 Corner::TopRight,
11513 editor_bounds.top_right(),
11514 size(scrollbar_width, viewport_size.height),
11515 ),
11516 };
11517
11518 let mut create_scrollbar_layout = |axis| {
11519 let viewport_size = viewport_size.along(axis);
11520 let scroll_range = scroll_range.along(axis);
11521
11522 // We always want a vertical scrollbar track for scrollbar diagnostic visibility.
11523 (show_scrollbar.along(axis)
11524 && (axis == ScrollbarAxis::Vertical || scroll_range > viewport_size))
11525 .then(|| {
11526 ScrollbarLayout::new(
11527 window.insert_hitbox(scrollbar_bounds_for(axis), HitboxBehavior::Normal),
11528 viewport_size,
11529 scroll_range,
11530 glyph_grid_cell.along(axis),
11531 content_offset.along(axis),
11532 scroll_position.along(axis),
11533 show_scrollbars,
11534 axis,
11535 )
11536 .with_thumb_state(
11537 scrollbar_state.and_then(|state| state.thumb_state_for_axis(axis)),
11538 )
11539 })
11540 };
11541
11542 Self {
11543 vertical: create_scrollbar_layout(ScrollbarAxis::Vertical),
11544 horizontal: create_scrollbar_layout(ScrollbarAxis::Horizontal),
11545 visible: show_scrollbars,
11546 }
11547 }
11548
11549 pub fn iter_scrollbars(&self) -> impl Iterator<Item = (&ScrollbarLayout, ScrollbarAxis)> + '_ {
11550 [
11551 (&self.vertical, ScrollbarAxis::Vertical),
11552 (&self.horizontal, ScrollbarAxis::Horizontal),
11553 ]
11554 .into_iter()
11555 .filter_map(|(scrollbar, axis)| scrollbar.as_ref().map(|s| (s, axis)))
11556 }
11557
11558 /// Returns the currently hovered scrollbar axis, if any.
11559 pub fn get_hovered_axis(&self, window: &Window) -> Option<(&ScrollbarLayout, ScrollbarAxis)> {
11560 self.iter_scrollbars()
11561 .find(|s| s.0.hitbox.is_hovered(window))
11562 }
11563}
11564
11565#[derive(Clone)]
11566struct ScrollbarLayout {
11567 hitbox: Hitbox,
11568 visible_range: Range<ScrollOffset>,
11569 text_unit_size: Pixels,
11570 thumb_bounds: Option<Bounds<Pixels>>,
11571 thumb_state: ScrollbarThumbState,
11572}
11573
11574impl ScrollbarLayout {
11575 const BORDER_WIDTH: Pixels = px(1.0);
11576 const LINE_MARKER_HEIGHT: Pixels = px(2.0);
11577 const MIN_MARKER_HEIGHT: Pixels = px(5.0);
11578 const MIN_THUMB_SIZE: Pixels = px(25.0);
11579
11580 fn new(
11581 scrollbar_track_hitbox: Hitbox,
11582 viewport_size: Pixels,
11583 scroll_range: Pixels,
11584 glyph_space: Pixels,
11585 content_offset: Pixels,
11586 scroll_position: ScrollOffset,
11587 show_thumb: bool,
11588 axis: ScrollbarAxis,
11589 ) -> Self {
11590 let track_bounds = scrollbar_track_hitbox.bounds;
11591 // The length of the track available to the scrollbar thumb. We deliberately
11592 // exclude the content size here so that the thumb aligns with the content.
11593 let track_length = track_bounds.size.along(axis) - content_offset;
11594
11595 Self::new_with_hitbox_and_track_length(
11596 scrollbar_track_hitbox,
11597 track_length,
11598 viewport_size,
11599 scroll_range.into(),
11600 glyph_space,
11601 content_offset.into(),
11602 scroll_position,
11603 show_thumb,
11604 axis,
11605 )
11606 }
11607
11608 fn for_minimap(
11609 minimap_track_hitbox: Hitbox,
11610 visible_lines: f64,
11611 total_editor_lines: f64,
11612 minimap_line_height: Pixels,
11613 scroll_position: ScrollOffset,
11614 minimap_scroll_top: ScrollOffset,
11615 show_thumb: bool,
11616 ) -> Self {
11617 // The scrollbar thumb size is calculated as
11618 // (visible_content/total_content) Γ scrollbar_track_length.
11619 //
11620 // For the minimap's thumb layout, we leverage this by setting the
11621 // scrollbar track length to the entire document size (using minimap line
11622 // height). This creates a thumb that exactly represents the editor
11623 // viewport scaled to minimap proportions.
11624 //
11625 // We adjust the thumb position relative to `minimap_scroll_top` to
11626 // accommodate for the deliberately oversized track.
11627 //
11628 // This approach ensures that the minimap thumb accurately reflects the
11629 // editor's current scroll position whilst nicely synchronizing the minimap
11630 // thumb and scrollbar thumb.
11631 let scroll_range = total_editor_lines * f64::from(minimap_line_height);
11632 let viewport_size = visible_lines * f64::from(minimap_line_height);
11633
11634 let track_top_offset = -minimap_scroll_top * f64::from(minimap_line_height);
11635
11636 Self::new_with_hitbox_and_track_length(
11637 minimap_track_hitbox,
11638 Pixels::from(scroll_range),
11639 Pixels::from(viewport_size),
11640 scroll_range,
11641 minimap_line_height,
11642 track_top_offset,
11643 scroll_position,
11644 show_thumb,
11645 ScrollbarAxis::Vertical,
11646 )
11647 }
11648
11649 fn new_with_hitbox_and_track_length(
11650 scrollbar_track_hitbox: Hitbox,
11651 track_length: Pixels,
11652 viewport_size: Pixels,
11653 scroll_range: f64,
11654 glyph_space: Pixels,
11655 content_offset: ScrollOffset,
11656 scroll_position: ScrollOffset,
11657 show_thumb: bool,
11658 axis: ScrollbarAxis,
11659 ) -> Self {
11660 let text_units_per_page = viewport_size.to_f64() / glyph_space.to_f64();
11661 let visible_range = scroll_position..scroll_position + text_units_per_page;
11662 let total_text_units = scroll_range / glyph_space.to_f64();
11663
11664 let thumb_percentage = text_units_per_page / total_text_units;
11665 let thumb_size = Pixels::from(ScrollOffset::from(track_length) * thumb_percentage)
11666 .max(ScrollbarLayout::MIN_THUMB_SIZE)
11667 .min(track_length);
11668
11669 let text_unit_divisor = (total_text_units - text_units_per_page).max(0.);
11670
11671 let content_larger_than_viewport = text_unit_divisor > 0.;
11672
11673 let text_unit_size = if content_larger_than_viewport {
11674 Pixels::from(ScrollOffset::from(track_length - thumb_size) / text_unit_divisor)
11675 } else {
11676 glyph_space
11677 };
11678
11679 let thumb_bounds = (show_thumb && content_larger_than_viewport).then(|| {
11680 Self::thumb_bounds(
11681 &scrollbar_track_hitbox,
11682 content_offset,
11683 visible_range.start,
11684 text_unit_size,
11685 thumb_size,
11686 axis,
11687 )
11688 });
11689
11690 ScrollbarLayout {
11691 hitbox: scrollbar_track_hitbox,
11692 visible_range,
11693 text_unit_size,
11694 thumb_bounds,
11695 thumb_state: Default::default(),
11696 }
11697 }
11698
11699 fn with_thumb_state(self, thumb_state: Option<ScrollbarThumbState>) -> Self {
11700 if let Some(thumb_state) = thumb_state {
11701 Self {
11702 thumb_state,
11703 ..self
11704 }
11705 } else {
11706 self
11707 }
11708 }
11709
11710 fn thumb_bounds(
11711 scrollbar_track: &Hitbox,
11712 content_offset: f64,
11713 visible_range_start: f64,
11714 text_unit_size: Pixels,
11715 thumb_size: Pixels,
11716 axis: ScrollbarAxis,
11717 ) -> Bounds<Pixels> {
11718 let thumb_origin = scrollbar_track.origin.apply_along(axis, |origin| {
11719 origin
11720 + Pixels::from(
11721 content_offset + visible_range_start * ScrollOffset::from(text_unit_size),
11722 )
11723 });
11724 Bounds::new(
11725 thumb_origin,
11726 scrollbar_track.size.apply_along(axis, |_| thumb_size),
11727 )
11728 }
11729
11730 fn thumb_hovered(&self, position: &gpui::Point<Pixels>) -> bool {
11731 self.thumb_bounds
11732 .is_some_and(|bounds| bounds.contains(position))
11733 }
11734
11735 fn marker_quads_for_ranges(
11736 &self,
11737 row_ranges: impl IntoIterator<Item = ColoredRange<DisplayRow>>,
11738 column: Option<usize>,
11739 ) -> Vec<PaintQuad> {
11740 struct MinMax {
11741 min: Pixels,
11742 max: Pixels,
11743 }
11744 let (x_range, height_limit) = if let Some(column) = column {
11745 let column_width = ((self.hitbox.size.width - Self::BORDER_WIDTH) / 3.0).floor();
11746 let start = Self::BORDER_WIDTH + (column as f32 * column_width);
11747 let end = start + column_width;
11748 (
11749 Range { start, end },
11750 MinMax {
11751 min: Self::MIN_MARKER_HEIGHT,
11752 max: px(f32::MAX),
11753 },
11754 )
11755 } else {
11756 (
11757 Range {
11758 start: Self::BORDER_WIDTH,
11759 end: self.hitbox.size.width,
11760 },
11761 MinMax {
11762 min: Self::LINE_MARKER_HEIGHT,
11763 max: Self::LINE_MARKER_HEIGHT,
11764 },
11765 )
11766 };
11767
11768 let row_to_y = |row: DisplayRow| row.as_f64() as f32 * self.text_unit_size;
11769 let mut pixel_ranges = row_ranges
11770 .into_iter()
11771 .map(|range| {
11772 let start_y = row_to_y(range.start);
11773 let end_y = row_to_y(range.end)
11774 + self
11775 .text_unit_size
11776 .max(height_limit.min)
11777 .min(height_limit.max);
11778 ColoredRange {
11779 start: start_y,
11780 end: end_y,
11781 color: range.color,
11782 }
11783 })
11784 .peekable();
11785
11786 let mut quads = Vec::new();
11787 while let Some(mut pixel_range) = pixel_ranges.next() {
11788 while let Some(next_pixel_range) = pixel_ranges.peek() {
11789 if pixel_range.end >= next_pixel_range.start - px(1.0)
11790 && pixel_range.color == next_pixel_range.color
11791 {
11792 pixel_range.end = next_pixel_range.end.max(pixel_range.end);
11793 pixel_ranges.next();
11794 } else {
11795 break;
11796 }
11797 }
11798
11799 let bounds = Bounds::from_corners(
11800 point(x_range.start, pixel_range.start),
11801 point(x_range.end, pixel_range.end),
11802 );
11803 quads.push(quad(
11804 bounds,
11805 Corners::default(),
11806 pixel_range.color,
11807 Edges::default(),
11808 Hsla::transparent_black(),
11809 BorderStyle::default(),
11810 ));
11811 }
11812
11813 quads
11814 }
11815}
11816
11817struct MinimapLayout {
11818 pub minimap: AnyElement,
11819 pub thumb_layout: ScrollbarLayout,
11820 pub minimap_scroll_top: ScrollOffset,
11821 pub minimap_line_height: Pixels,
11822 pub thumb_border_style: MinimapThumbBorder,
11823 pub max_scroll_top: ScrollOffset,
11824}
11825
11826impl MinimapLayout {
11827 /// The minimum width of the minimap in columns. If the minimap is smaller than this, it will be hidden.
11828 const MINIMAP_MIN_WIDTH_COLUMNS: f32 = 20.;
11829 /// The minimap width as a percentage of the editor width.
11830 const MINIMAP_WIDTH_PCT: f32 = 0.15;
11831 /// Calculates the scroll top offset the minimap editor has to have based on the
11832 /// current scroll progress.
11833 fn calculate_minimap_top_offset(
11834 document_lines: f64,
11835 visible_editor_lines: f64,
11836 visible_minimap_lines: f64,
11837 scroll_position: f64,
11838 ) -> ScrollOffset {
11839 let non_visible_document_lines = (document_lines - visible_editor_lines).max(0.);
11840 if non_visible_document_lines == 0. {
11841 0.
11842 } else {
11843 let scroll_percentage = (scroll_position / non_visible_document_lines).clamp(0., 1.);
11844 scroll_percentage * (document_lines - visible_minimap_lines).max(0.)
11845 }
11846 }
11847}
11848
11849struct CreaseTrailerLayout {
11850 element: AnyElement,
11851 bounds: Bounds<Pixels>,
11852}
11853
11854pub(crate) struct PositionMap {
11855 pub size: Size<Pixels>,
11856 pub line_height: Pixels,
11857 pub scroll_position: gpui::Point<ScrollOffset>,
11858 pub scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
11859 pub scroll_max: gpui::Point<ScrollOffset>,
11860 pub em_width: Pixels,
11861 pub em_advance: Pixels,
11862 pub em_layout_width: Pixels,
11863 pub visible_row_range: Range<DisplayRow>,
11864 pub line_layouts: Vec<LineWithInvisibles>,
11865 pub snapshot: EditorSnapshot,
11866 pub text_align: TextAlign,
11867 pub content_width: Pixels,
11868 pub text_hitbox: Hitbox,
11869 pub gutter_hitbox: Hitbox,
11870 pub inline_blame_bounds: Option<(Bounds<Pixels>, BufferId, BlameEntry)>,
11871 pub display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
11872 pub diff_hunk_control_bounds: Vec<(DisplayRow, Bounds<Pixels>)>,
11873}
11874
11875#[derive(Debug, Copy, Clone)]
11876pub struct PointForPosition {
11877 pub previous_valid: DisplayPoint,
11878 pub next_valid: DisplayPoint,
11879 pub exact_unclipped: DisplayPoint,
11880 pub column_overshoot_after_line_end: u32,
11881}
11882
11883impl PointForPosition {
11884 pub fn as_valid(&self) -> Option<DisplayPoint> {
11885 if self.previous_valid == self.exact_unclipped && self.next_valid == self.exact_unclipped {
11886 Some(self.previous_valid)
11887 } else {
11888 None
11889 }
11890 }
11891
11892 pub fn intersects_selection(&self, selection: &Selection<DisplayPoint>) -> bool {
11893 let Some(valid_point) = self.as_valid() else {
11894 return false;
11895 };
11896 let range = selection.range();
11897
11898 let candidate_row = valid_point.row();
11899 let candidate_col = valid_point.column();
11900
11901 let start_row = range.start.row();
11902 let start_col = range.start.column();
11903 let end_row = range.end.row();
11904 let end_col = range.end.column();
11905
11906 if candidate_row < start_row || candidate_row > end_row {
11907 false
11908 } else if start_row == end_row {
11909 candidate_col >= start_col && candidate_col < end_col
11910 } else if candidate_row == start_row {
11911 candidate_col >= start_col
11912 } else if candidate_row == end_row {
11913 candidate_col < end_col
11914 } else {
11915 true
11916 }
11917 }
11918}
11919
11920impl PositionMap {
11921 pub(crate) fn point_for_position(&self, position: gpui::Point<Pixels>) -> PointForPosition {
11922 let text_bounds = self.text_hitbox.bounds;
11923 let scroll_position = self.snapshot.scroll_position();
11924 let position = position - text_bounds.origin;
11925 let y = position.y.max(px(0.)).min(self.size.height);
11926 let x = position.x + (scroll_position.x as f32 * self.em_layout_width);
11927 let row = ((y / self.line_height) as f64 + scroll_position.y) as u32;
11928
11929 let (column, x_overshoot_after_line_end) = if let Some(line) = self
11930 .line_layouts
11931 .get(row as usize - scroll_position.y as usize)
11932 {
11933 let alignment_offset = line.alignment_offset(self.text_align, self.content_width);
11934 let x_relative_to_text = x - alignment_offset;
11935 if let Some(ix) = line.index_for_x(x_relative_to_text) {
11936 (ix as u32, px(0.))
11937 } else {
11938 (line.len as u32, px(0.).max(x_relative_to_text - line.width))
11939 }
11940 } else {
11941 (0, x)
11942 };
11943
11944 let mut exact_unclipped = DisplayPoint::new(DisplayRow(row), column);
11945 let previous_valid = self.snapshot.clip_point(exact_unclipped, Bias::Left);
11946 let next_valid = self.snapshot.clip_point(exact_unclipped, Bias::Right);
11947
11948 let column_overshoot_after_line_end =
11949 (x_overshoot_after_line_end / self.em_layout_width) as u32;
11950 *exact_unclipped.column_mut() += column_overshoot_after_line_end;
11951 PointForPosition {
11952 previous_valid,
11953 next_valid,
11954 exact_unclipped,
11955 column_overshoot_after_line_end,
11956 }
11957 }
11958
11959 fn point_for_position_on_line(
11960 &self,
11961 position: gpui::Point<Pixels>,
11962 row: DisplayRow,
11963 line: &LineWithInvisibles,
11964 ) -> PointForPosition {
11965 let text_bounds = self.text_hitbox.bounds;
11966 let scroll_position = self.snapshot.scroll_position();
11967 let position = position - text_bounds.origin;
11968 let x = position.x + (scroll_position.x as f32 * self.em_layout_width);
11969
11970 let alignment_offset = line.alignment_offset(self.text_align, self.content_width);
11971 let x_relative_to_text = x - alignment_offset;
11972 let (column, x_overshoot_after_line_end) =
11973 if let Some(ix) = line.index_for_x(x_relative_to_text) {
11974 (ix as u32, px(0.))
11975 } else {
11976 (line.len as u32, px(0.).max(x_relative_to_text - line.width))
11977 };
11978
11979 let mut exact_unclipped = DisplayPoint::new(row, column);
11980 let previous_valid = self.snapshot.clip_point(exact_unclipped, Bias::Left);
11981 let next_valid = self.snapshot.clip_point(exact_unclipped, Bias::Right);
11982
11983 let column_overshoot_after_line_end =
11984 (x_overshoot_after_line_end / self.em_layout_width) as u32;
11985 *exact_unclipped.column_mut() += column_overshoot_after_line_end;
11986 PointForPosition {
11987 previous_valid,
11988 next_valid,
11989 exact_unclipped,
11990 column_overshoot_after_line_end,
11991 }
11992 }
11993}
11994
11995pub(crate) struct BlockLayout {
11996 pub(crate) id: BlockId,
11997 pub(crate) x_offset: Pixels,
11998 pub(crate) row: Option<DisplayRow>,
11999 pub(crate) element: AnyElement,
12000 pub(crate) available_space: Size<AvailableSpace>,
12001 pub(crate) style: BlockStyle,
12002 pub(crate) overlaps_gutter: bool,
12003 pub(crate) is_buffer_header: bool,
12004}
12005
12006pub fn layout_line(
12007 row: DisplayRow,
12008 snapshot: &EditorSnapshot,
12009 style: &EditorStyle,
12010 text_width: Pixels,
12011 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
12012 window: &mut Window,
12013 cx: &mut App,
12014) -> LineWithInvisibles {
12015 let use_tree_sitter =
12016 !snapshot.semantic_tokens_enabled || snapshot.use_tree_sitter_for_syntax(row, cx);
12017 let chunks = snapshot.highlighted_chunks(row..row + DisplayRow(1), use_tree_sitter, style);
12018 LineWithInvisibles::from_chunks(
12019 chunks,
12020 style,
12021 MAX_LINE_LEN,
12022 1,
12023 &snapshot.mode,
12024 text_width,
12025 is_row_soft_wrapped,
12026 &[],
12027 window,
12028 cx,
12029 )
12030 .pop()
12031 .unwrap()
12032}
12033
12034#[derive(Debug, Clone)]
12035pub struct IndentGuideLayout {
12036 origin: gpui::Point<Pixels>,
12037 length: Pixels,
12038 single_indent_width: Pixels,
12039 display_row_range: Range<DisplayRow>,
12040 depth: u32,
12041 active: bool,
12042 settings: IndentGuideSettings,
12043}
12044
12045pub struct CursorLayout {
12046 origin: gpui::Point<Pixels>,
12047 block_width: Pixels,
12048 line_height: Pixels,
12049 color: Hsla,
12050 shape: CursorShape,
12051 block_text: Option<ShapedLine>,
12052 cursor_name: Option<AnyElement>,
12053}
12054
12055#[derive(Debug)]
12056pub struct CursorName {
12057 string: SharedString,
12058 color: Hsla,
12059 is_top_row: bool,
12060}
12061
12062impl CursorLayout {
12063 pub fn new(
12064 origin: gpui::Point<Pixels>,
12065 block_width: Pixels,
12066 line_height: Pixels,
12067 color: Hsla,
12068 shape: CursorShape,
12069 block_text: Option<ShapedLine>,
12070 ) -> CursorLayout {
12071 CursorLayout {
12072 origin,
12073 block_width,
12074 line_height,
12075 color,
12076 shape,
12077 block_text,
12078 cursor_name: None,
12079 }
12080 }
12081
12082 pub fn bounding_rect(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
12083 Bounds {
12084 origin: self.origin + origin,
12085 size: size(self.block_width, self.line_height),
12086 }
12087 }
12088
12089 fn bounds(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
12090 match self.shape {
12091 CursorShape::Bar => Bounds {
12092 origin: self.origin + origin,
12093 size: size(px(2.0), self.line_height),
12094 },
12095 CursorShape::Block | CursorShape::Hollow => Bounds {
12096 origin: self.origin + origin,
12097 size: size(self.block_width, self.line_height),
12098 },
12099 CursorShape::Underline => Bounds {
12100 origin: self.origin
12101 + origin
12102 + gpui::Point::new(Pixels::ZERO, self.line_height - px(2.0)),
12103 size: size(self.block_width, px(2.0)),
12104 },
12105 }
12106 }
12107
12108 pub fn layout(
12109 &mut self,
12110 origin: gpui::Point<Pixels>,
12111 cursor_name: Option<CursorName>,
12112 window: &mut Window,
12113 cx: &mut App,
12114 ) {
12115 if let Some(cursor_name) = cursor_name {
12116 let bounds = self.bounds(origin);
12117 let text_size = self.line_height / 1.5;
12118
12119 let name_origin = if cursor_name.is_top_row {
12120 point(bounds.right() - px(1.), bounds.top())
12121 } else {
12122 match self.shape {
12123 CursorShape::Bar => point(
12124 bounds.right() - px(2.),
12125 bounds.top() - text_size / 2. - px(1.),
12126 ),
12127 _ => point(
12128 bounds.right() - px(1.),
12129 bounds.top() - text_size / 2. - px(1.),
12130 ),
12131 }
12132 };
12133 let mut name_element = div()
12134 .bg(self.color)
12135 .text_size(text_size)
12136 .px_0p5()
12137 .line_height(text_size + px(2.))
12138 .text_color(cursor_name.color)
12139 .child(cursor_name.string)
12140 .into_any_element();
12141
12142 name_element.prepaint_as_root(name_origin, AvailableSpace::min_size(), window, cx);
12143
12144 self.cursor_name = Some(name_element);
12145 }
12146 }
12147
12148 pub fn paint(&mut self, origin: gpui::Point<Pixels>, window: &mut Window, cx: &mut App) {
12149 let bounds = self.bounds(origin);
12150
12151 //Draw background or border quad
12152 let cursor = if matches!(self.shape, CursorShape::Hollow) {
12153 outline(bounds, self.color, BorderStyle::Solid)
12154 } else {
12155 fill(bounds, self.color)
12156 };
12157
12158 if let Some(name) = &mut self.cursor_name {
12159 name.paint(window, cx);
12160 }
12161
12162 window.paint_quad(cursor);
12163
12164 if let Some(block_text) = &self.block_text {
12165 block_text
12166 .paint(
12167 self.origin + origin,
12168 self.line_height,
12169 TextAlign::Left,
12170 None,
12171 window,
12172 cx,
12173 )
12174 .log_err();
12175 }
12176 }
12177
12178 pub fn shape(&self) -> CursorShape {
12179 self.shape
12180 }
12181}
12182
12183#[derive(Debug)]
12184pub struct HighlightedRange {
12185 pub start_y: Pixels,
12186 pub line_height: Pixels,
12187 pub lines: Vec<HighlightedRangeLine>,
12188 pub color: Hsla,
12189 pub corner_radius: Pixels,
12190}
12191
12192#[derive(Debug)]
12193pub struct HighlightedRangeLine {
12194 pub start_x: Pixels,
12195 pub end_x: Pixels,
12196}
12197
12198impl HighlightedRange {
12199 pub fn paint(&self, fill: bool, bounds: Bounds<Pixels>, window: &mut Window) {
12200 if self.lines.len() >= 2 && self.lines[0].start_x > self.lines[1].end_x {
12201 self.paint_lines(self.start_y, &self.lines[0..1], fill, bounds, window);
12202 self.paint_lines(
12203 self.start_y + self.line_height,
12204 &self.lines[1..],
12205 fill,
12206 bounds,
12207 window,
12208 );
12209 } else {
12210 self.paint_lines(self.start_y, &self.lines, fill, bounds, window);
12211 }
12212 }
12213
12214 fn paint_lines(
12215 &self,
12216 start_y: Pixels,
12217 lines: &[HighlightedRangeLine],
12218 fill: bool,
12219 _bounds: Bounds<Pixels>,
12220 window: &mut Window,
12221 ) {
12222 if lines.is_empty() {
12223 return;
12224 }
12225
12226 let first_line = lines.first().unwrap();
12227 let last_line = lines.last().unwrap();
12228
12229 let first_top_left = point(first_line.start_x, start_y);
12230 let first_top_right = point(first_line.end_x, start_y);
12231
12232 let curve_height = point(Pixels::ZERO, self.corner_radius);
12233 let curve_width = |start_x: Pixels, end_x: Pixels| {
12234 let max = (end_x - start_x) / 2.;
12235 let width = if max < self.corner_radius {
12236 max
12237 } else {
12238 self.corner_radius
12239 };
12240
12241 point(width, Pixels::ZERO)
12242 };
12243
12244 let top_curve_width = curve_width(first_line.start_x, first_line.end_x);
12245 let mut builder = if fill {
12246 gpui::PathBuilder::fill()
12247 } else {
12248 gpui::PathBuilder::stroke(px(1.))
12249 };
12250 builder.move_to(first_top_right - top_curve_width);
12251 builder.curve_to(first_top_right + curve_height, first_top_right);
12252
12253 let mut iter = lines.iter().enumerate().peekable();
12254 while let Some((ix, line)) = iter.next() {
12255 let bottom_right = point(line.end_x, start_y + (ix + 1) as f32 * self.line_height);
12256
12257 if let Some((_, next_line)) = iter.peek() {
12258 let next_top_right = point(next_line.end_x, bottom_right.y);
12259
12260 match next_top_right.x.partial_cmp(&bottom_right.x).unwrap() {
12261 Ordering::Equal => {
12262 builder.line_to(bottom_right);
12263 }
12264 Ordering::Less => {
12265 let curve_width = curve_width(next_top_right.x, bottom_right.x);
12266 builder.line_to(bottom_right - curve_height);
12267 if self.corner_radius > Pixels::ZERO {
12268 builder.curve_to(bottom_right - curve_width, bottom_right);
12269 }
12270 builder.line_to(next_top_right + curve_width);
12271 if self.corner_radius > Pixels::ZERO {
12272 builder.curve_to(next_top_right + curve_height, next_top_right);
12273 }
12274 }
12275 Ordering::Greater => {
12276 let curve_width = curve_width(bottom_right.x, next_top_right.x);
12277 builder.line_to(bottom_right - curve_height);
12278 if self.corner_radius > Pixels::ZERO {
12279 builder.curve_to(bottom_right + curve_width, bottom_right);
12280 }
12281 builder.line_to(next_top_right - curve_width);
12282 if self.corner_radius > Pixels::ZERO {
12283 builder.curve_to(next_top_right + curve_height, next_top_right);
12284 }
12285 }
12286 }
12287 } else {
12288 let curve_width = curve_width(line.start_x, line.end_x);
12289 builder.line_to(bottom_right - curve_height);
12290 if self.corner_radius > Pixels::ZERO {
12291 builder.curve_to(bottom_right - curve_width, bottom_right);
12292 }
12293
12294 let bottom_left = point(line.start_x, bottom_right.y);
12295 builder.line_to(bottom_left + curve_width);
12296 if self.corner_radius > Pixels::ZERO {
12297 builder.curve_to(bottom_left - curve_height, bottom_left);
12298 }
12299 }
12300 }
12301
12302 if first_line.start_x > last_line.start_x {
12303 let curve_width = curve_width(last_line.start_x, first_line.start_x);
12304 let second_top_left = point(last_line.start_x, start_y + self.line_height);
12305 builder.line_to(second_top_left + curve_height);
12306 if self.corner_radius > Pixels::ZERO {
12307 builder.curve_to(second_top_left + curve_width, second_top_left);
12308 }
12309 let first_bottom_left = point(first_line.start_x, second_top_left.y);
12310 builder.line_to(first_bottom_left - curve_width);
12311 if self.corner_radius > Pixels::ZERO {
12312 builder.curve_to(first_bottom_left - curve_height, first_bottom_left);
12313 }
12314 }
12315
12316 builder.line_to(first_top_left + curve_height);
12317 if self.corner_radius > Pixels::ZERO {
12318 builder.curve_to(first_top_left + top_curve_width, first_top_left);
12319 }
12320 builder.line_to(first_top_right - top_curve_width);
12321
12322 if let Ok(path) = builder.build() {
12323 window.paint_path(path, self.color);
12324 }
12325 }
12326}
12327
12328pub(crate) struct StickyHeader {
12329 pub sticky_row: DisplayRow,
12330 pub start_point: Point,
12331 pub offset: ScrollOffset,
12332}
12333
12334enum CursorPopoverType {
12335 CodeContextMenu,
12336 EditPrediction,
12337}
12338
12339pub fn scale_vertical_mouse_autoscroll_delta(delta: Pixels) -> f32 {
12340 (delta.pow(1.2) / 100.0).min(px(3.0)).into()
12341}
12342
12343fn scale_horizontal_mouse_autoscroll_delta(delta: Pixels) -> f32 {
12344 (delta.pow(1.2) / 300.0).into()
12345}
12346
12347pub fn register_action<T: Action>(
12348 editor: &Entity<Editor>,
12349 window: &mut Window,
12350 listener: impl Fn(&mut Editor, &T, &mut Window, &mut Context<Editor>) + 'static,
12351) {
12352 let editor = editor.clone();
12353 window.on_action(TypeId::of::<T>(), move |action, phase, window, cx| {
12354 let action = action.downcast_ref().unwrap();
12355 if phase == DispatchPhase::Bubble {
12356 editor.update(cx, |editor, cx| {
12357 listener(editor, action, window, cx);
12358 })
12359 }
12360 })
12361}
12362
12363/// Shared between `prepaint` and `compute_auto_height_layout` to ensure
12364/// both full and auto-height editors compute wrap widths consistently.
12365fn calculate_wrap_width(
12366 soft_wrap: SoftWrap,
12367 editor_width: Pixels,
12368 em_width: Pixels,
12369) -> Option<Pixels> {
12370 let wrap_width_for = |column: u32| (column as f32 * em_width).ceil();
12371
12372 match soft_wrap {
12373 SoftWrap::GitDiff => None,
12374 SoftWrap::None => Some(wrap_width_for(MAX_LINE_LEN as u32 / 2)),
12375 SoftWrap::EditorWidth => Some(editor_width),
12376 SoftWrap::Column(column) => Some(wrap_width_for(column)),
12377 SoftWrap::Bounded(column) => Some(editor_width.min(wrap_width_for(column))),
12378 }
12379}
12380
12381fn compute_auto_height_layout(
12382 editor: &mut Editor,
12383 min_lines: usize,
12384 max_lines: Option<usize>,
12385 known_dimensions: Size<Option<Pixels>>,
12386 available_width: AvailableSpace,
12387 window: &mut Window,
12388 cx: &mut Context<Editor>,
12389) -> Option<Size<Pixels>> {
12390 let width = known_dimensions.width.or({
12391 if let AvailableSpace::Definite(available_width) = available_width {
12392 Some(available_width)
12393 } else {
12394 None
12395 }
12396 })?;
12397 if let Some(height) = known_dimensions.height {
12398 return Some(size(width, height));
12399 }
12400
12401 let style = editor.style.as_ref().unwrap();
12402 let font_id = window.text_system().resolve_font(&style.text.font());
12403 let font_size = style.text.font_size.to_pixels(window.rem_size());
12404 let line_height = style.text.line_height_in_pixels(window.rem_size());
12405 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
12406
12407 let mut snapshot = editor.snapshot(window, cx);
12408 let gutter_dimensions = snapshot.gutter_dimensions(font_id, font_size, style, window, cx);
12409
12410 editor.gutter_dimensions = gutter_dimensions;
12411 let text_width = width - gutter_dimensions.width;
12412 let overscroll = size(em_width, px(0.));
12413
12414 let editor_width = text_width - gutter_dimensions.margin - overscroll.width - em_width;
12415 let wrap_width = calculate_wrap_width(editor.soft_wrap_mode(cx), editor_width, em_width);
12416 if wrap_width.is_some() && editor.set_wrap_width(wrap_width, cx) {
12417 snapshot = editor.snapshot(window, cx);
12418 }
12419
12420 let scroll_height = (snapshot.max_point().row().next_row().0 as f32) * line_height;
12421
12422 let min_height = line_height * min_lines as f32;
12423 let content_height = scroll_height.max(min_height);
12424
12425 let final_height = if let Some(max_lines) = max_lines {
12426 let max_height = line_height * max_lines as f32;
12427 content_height.min(max_height)
12428 } else {
12429 content_height
12430 };
12431
12432 Some(size(width, final_height))
12433}
12434
12435#[cfg(test)]
12436mod tests {
12437 use super::*;
12438 use crate::{
12439 Editor, MultiBuffer, SelectionEffects,
12440 display_map::{BlockPlacement, BlockProperties},
12441 editor_tests::{init_test, update_test_language_settings},
12442 };
12443 use gpui::{TestAppContext, VisualTestContext};
12444 use language::{Buffer, language_settings, tree_sitter_python};
12445 use log::info;
12446 use rand::{RngCore, rngs::StdRng};
12447 use std::num::NonZeroU32;
12448 use util::test::sample_text;
12449
12450 #[gpui::test]
12451 async fn test_soft_wrap_editor_width_auto_height_editor(cx: &mut TestAppContext) {
12452 init_test(cx, |_| {});
12453 let window = cx.add_window(|window, cx| {
12454 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
12455 let mut editor = Editor::new(
12456 EditorMode::AutoHeight {
12457 min_lines: 1,
12458 max_lines: None,
12459 },
12460 buffer,
12461 None,
12462 window,
12463 cx,
12464 );
12465 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
12466 editor
12467 });
12468 let cx = &mut VisualTestContext::from_window(*window, cx);
12469 let editor = window.root(cx).unwrap();
12470 let style = cx.update(|_, cx| editor.update(cx, |editor, cx| editor.style(cx).clone()));
12471
12472 for x in 1..=100 {
12473 let (_, state) = cx.draw(
12474 Default::default(),
12475 size(px(200. + 0.13 * x as f32), px(500.)),
12476 |_, _| EditorElement::new(&editor, style.clone()),
12477 );
12478
12479 assert!(
12480 state.position_map.scroll_max.x == 0.,
12481 "Soft wrapped editor should have no horizontal scrolling!"
12482 );
12483 }
12484 }
12485
12486 #[gpui::test]
12487 async fn test_soft_wrap_editor_width_full_editor(cx: &mut TestAppContext) {
12488 init_test(cx, |_| {});
12489 let window = cx.add_window(|window, cx| {
12490 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
12491 let mut editor = Editor::new(EditorMode::full(), buffer, None, window, cx);
12492 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
12493 editor
12494 });
12495 let cx = &mut VisualTestContext::from_window(*window, cx);
12496 let editor = window.root(cx).unwrap();
12497 let style = cx.update(|_, cx| editor.update(cx, |editor, cx| editor.style(cx).clone()));
12498
12499 for x in 1..=100 {
12500 let (_, state) = cx.draw(
12501 Default::default(),
12502 size(px(200. + 0.13 * x as f32), px(500.)),
12503 |_, _| EditorElement::new(&editor, style.clone()),
12504 );
12505
12506 assert!(
12507 state.position_map.scroll_max.x == 0.,
12508 "Soft wrapped editor should have no horizontal scrolling!"
12509 );
12510 }
12511 }
12512
12513 #[gpui::test]
12514 fn test_layout_line_numbers(cx: &mut TestAppContext) {
12515 init_test(cx, |_| {});
12516 let window = cx.add_window(|window, cx| {
12517 let buffer = MultiBuffer::build_simple(&sample_text(6, 6, 'a'), cx);
12518 Editor::new(EditorMode::full(), buffer, None, window, cx)
12519 });
12520
12521 let editor = window.root(cx).unwrap();
12522 let style = editor.update(cx, |editor, cx| editor.style(cx).clone());
12523 let line_height = window
12524 .update(cx, |_, window, _| {
12525 style.text.line_height_in_pixels(window.rem_size())
12526 })
12527 .unwrap();
12528 let element = EditorElement::new(&editor, style);
12529 let snapshot = window
12530 .update(cx, |editor, window, cx| editor.snapshot(window, cx))
12531 .unwrap();
12532
12533 let layouts = cx
12534 .update_window(*window, |_, window, cx| {
12535 element.layout_line_numbers(
12536 None,
12537 GutterDimensions {
12538 left_padding: Pixels::ZERO,
12539 right_padding: Pixels::ZERO,
12540 width: px(30.0),
12541 margin: Pixels::ZERO,
12542 git_blame_entries_width: None,
12543 },
12544 line_height,
12545 gpui::Point::default(),
12546 DisplayRow(0)..DisplayRow(6),
12547 &(0..6)
12548 .map(|row| RowInfo {
12549 buffer_row: Some(row),
12550 ..Default::default()
12551 })
12552 .collect::<Vec<_>>(),
12553 &BTreeMap::default(),
12554 Some(DisplayRow(0)),
12555 &snapshot,
12556 window,
12557 cx,
12558 )
12559 })
12560 .unwrap();
12561 assert_eq!(layouts.len(), 6);
12562
12563 let relative_rows = window
12564 .update(cx, |editor, window, cx| {
12565 let snapshot = editor.snapshot(window, cx);
12566 snapshot.calculate_relative_line_numbers(
12567 &(DisplayRow(0)..DisplayRow(6)),
12568 DisplayRow(3),
12569 false,
12570 )
12571 })
12572 .unwrap();
12573 assert_eq!(relative_rows[&DisplayRow(0)], 3);
12574 assert_eq!(relative_rows[&DisplayRow(1)], 2);
12575 assert_eq!(relative_rows[&DisplayRow(2)], 1);
12576 // current line has no relative number
12577 assert!(!relative_rows.contains_key(&DisplayRow(3)));
12578 assert_eq!(relative_rows[&DisplayRow(4)], 1);
12579 assert_eq!(relative_rows[&DisplayRow(5)], 2);
12580
12581 // works if cursor is before screen
12582 let relative_rows = window
12583 .update(cx, |editor, window, cx| {
12584 let snapshot = editor.snapshot(window, cx);
12585 snapshot.calculate_relative_line_numbers(
12586 &(DisplayRow(3)..DisplayRow(6)),
12587 DisplayRow(1),
12588 false,
12589 )
12590 })
12591 .unwrap();
12592 assert_eq!(relative_rows.len(), 3);
12593 assert_eq!(relative_rows[&DisplayRow(3)], 2);
12594 assert_eq!(relative_rows[&DisplayRow(4)], 3);
12595 assert_eq!(relative_rows[&DisplayRow(5)], 4);
12596
12597 // works if cursor is after screen
12598 let relative_rows = window
12599 .update(cx, |editor, window, cx| {
12600 let snapshot = editor.snapshot(window, cx);
12601 snapshot.calculate_relative_line_numbers(
12602 &(DisplayRow(0)..DisplayRow(3)),
12603 DisplayRow(6),
12604 false,
12605 )
12606 })
12607 .unwrap();
12608 assert_eq!(relative_rows.len(), 3);
12609 assert_eq!(relative_rows[&DisplayRow(0)], 5);
12610 assert_eq!(relative_rows[&DisplayRow(1)], 4);
12611 assert_eq!(relative_rows[&DisplayRow(2)], 3);
12612
12613 const DELETED_LINE: u32 = 3;
12614 let layouts = cx
12615 .update_window(*window, |_, window, cx| {
12616 element.layout_line_numbers(
12617 None,
12618 GutterDimensions {
12619 left_padding: Pixels::ZERO,
12620 right_padding: Pixels::ZERO,
12621 width: px(30.0),
12622 margin: Pixels::ZERO,
12623 git_blame_entries_width: None,
12624 },
12625 line_height,
12626 gpui::Point::default(),
12627 DisplayRow(0)..DisplayRow(6),
12628 &(0..6)
12629 .map(|row| RowInfo {
12630 buffer_row: Some(row),
12631 diff_status: (row == DELETED_LINE).then(|| {
12632 DiffHunkStatus::deleted(
12633 buffer_diff::DiffHunkSecondaryStatus::NoSecondaryHunk,
12634 )
12635 }),
12636 ..Default::default()
12637 })
12638 .collect::<Vec<_>>(),
12639 &BTreeMap::default(),
12640 Some(DisplayRow(0)),
12641 &snapshot,
12642 window,
12643 cx,
12644 )
12645 })
12646 .unwrap();
12647 assert_eq!(layouts.len(), 5,);
12648 assert!(
12649 layouts.get(&MultiBufferRow(DELETED_LINE)).is_none(),
12650 "Deleted line should not have a line number"
12651 );
12652 }
12653
12654 #[gpui::test]
12655 async fn test_layout_line_numbers_with_folded_lines(cx: &mut TestAppContext) {
12656 init_test(cx, |_| {});
12657
12658 let python_lang = languages::language("python", tree_sitter_python::LANGUAGE.into());
12659
12660 let window = cx.add_window(|window, cx| {
12661 let buffer = cx.new(|cx| {
12662 Buffer::local(
12663 indoc::indoc! {"
12664 fn test() -> int {
12665 return 2;
12666 }
12667
12668 fn another_test() -> int {
12669 # This is a very peculiar method that is hard to grasp.
12670 return 4;
12671 }
12672 "},
12673 cx,
12674 )
12675 .with_language(python_lang, cx)
12676 });
12677
12678 let buffer = MultiBuffer::build_from_buffer(buffer, cx);
12679 Editor::new(EditorMode::full(), buffer, None, window, cx)
12680 });
12681
12682 let editor = window.root(cx).unwrap();
12683 let style = editor.update(cx, |editor, cx| editor.style(cx).clone());
12684 let line_height = window
12685 .update(cx, |_, window, _| {
12686 style.text.line_height_in_pixels(window.rem_size())
12687 })
12688 .unwrap();
12689 let element = EditorElement::new(&editor, style);
12690 let snapshot = window
12691 .update(cx, |editor, window, cx| {
12692 editor.fold_at(MultiBufferRow(0), window, cx);
12693 editor.snapshot(window, cx)
12694 })
12695 .unwrap();
12696
12697 let layouts = cx
12698 .update_window(*window, |_, window, cx| {
12699 element.layout_line_numbers(
12700 None,
12701 GutterDimensions {
12702 left_padding: Pixels::ZERO,
12703 right_padding: Pixels::ZERO,
12704 width: px(30.0),
12705 margin: Pixels::ZERO,
12706 git_blame_entries_width: None,
12707 },
12708 line_height,
12709 gpui::Point::default(),
12710 DisplayRow(0)..DisplayRow(6),
12711 &(0..6)
12712 .map(|row| RowInfo {
12713 buffer_row: Some(row),
12714 ..Default::default()
12715 })
12716 .collect::<Vec<_>>(),
12717 &BTreeMap::default(),
12718 Some(DisplayRow(3)),
12719 &snapshot,
12720 window,
12721 cx,
12722 )
12723 })
12724 .unwrap();
12725 assert_eq!(layouts.len(), 6);
12726
12727 let relative_rows = window
12728 .update(cx, |editor, window, cx| {
12729 let snapshot = editor.snapshot(window, cx);
12730 snapshot.calculate_relative_line_numbers(
12731 &(DisplayRow(0)..DisplayRow(6)),
12732 DisplayRow(3),
12733 false,
12734 )
12735 })
12736 .unwrap();
12737 assert_eq!(relative_rows[&DisplayRow(0)], 3);
12738 assert_eq!(relative_rows[&DisplayRow(1)], 2);
12739 assert_eq!(relative_rows[&DisplayRow(2)], 1);
12740 // current line has no relative number
12741 assert!(!relative_rows.contains_key(&DisplayRow(3)));
12742 assert_eq!(relative_rows[&DisplayRow(4)], 1);
12743 assert_eq!(relative_rows[&DisplayRow(5)], 2);
12744 }
12745
12746 #[gpui::test]
12747 fn test_layout_line_numbers_wrapping(cx: &mut TestAppContext) {
12748 init_test(cx, |_| {});
12749 let window = cx.add_window(|window, cx| {
12750 let buffer = MultiBuffer::build_simple(&sample_text(6, 6, 'a'), cx);
12751 Editor::new(EditorMode::full(), buffer, None, window, cx)
12752 });
12753
12754 update_test_language_settings(cx, &|s| {
12755 s.defaults.preferred_line_length = Some(5_u32);
12756 s.defaults.soft_wrap = Some(language_settings::SoftWrap::PreferredLineLength);
12757 });
12758
12759 let editor = window.root(cx).unwrap();
12760 let style = editor.update(cx, |editor, cx| editor.style(cx).clone());
12761 let line_height = window
12762 .update(cx, |_, window, _| {
12763 style.text.line_height_in_pixels(window.rem_size())
12764 })
12765 .unwrap();
12766 let element = EditorElement::new(&editor, style);
12767 let snapshot = window
12768 .update(cx, |editor, window, cx| editor.snapshot(window, cx))
12769 .unwrap();
12770
12771 let layouts = cx
12772 .update_window(*window, |_, window, cx| {
12773 element.layout_line_numbers(
12774 None,
12775 GutterDimensions {
12776 left_padding: Pixels::ZERO,
12777 right_padding: Pixels::ZERO,
12778 width: px(30.0),
12779 margin: Pixels::ZERO,
12780 git_blame_entries_width: None,
12781 },
12782 line_height,
12783 gpui::Point::default(),
12784 DisplayRow(0)..DisplayRow(6),
12785 &(0..6)
12786 .map(|row| RowInfo {
12787 buffer_row: Some(row),
12788 ..Default::default()
12789 })
12790 .collect::<Vec<_>>(),
12791 &BTreeMap::default(),
12792 Some(DisplayRow(0)),
12793 &snapshot,
12794 window,
12795 cx,
12796 )
12797 })
12798 .unwrap();
12799 assert_eq!(layouts.len(), 3);
12800
12801 let relative_rows = window
12802 .update(cx, |editor, window, cx| {
12803 let snapshot = editor.snapshot(window, cx);
12804 snapshot.calculate_relative_line_numbers(
12805 &(DisplayRow(0)..DisplayRow(6)),
12806 DisplayRow(3),
12807 true,
12808 )
12809 })
12810 .unwrap();
12811
12812 assert_eq!(relative_rows[&DisplayRow(0)], 3);
12813 assert_eq!(relative_rows[&DisplayRow(1)], 2);
12814 assert_eq!(relative_rows[&DisplayRow(2)], 1);
12815 // current line has no relative number
12816 assert!(!relative_rows.contains_key(&DisplayRow(3)));
12817 assert_eq!(relative_rows[&DisplayRow(4)], 1);
12818 assert_eq!(relative_rows[&DisplayRow(5)], 2);
12819
12820 let layouts = cx
12821 .update_window(*window, |_, window, cx| {
12822 element.layout_line_numbers(
12823 None,
12824 GutterDimensions {
12825 left_padding: Pixels::ZERO,
12826 right_padding: Pixels::ZERO,
12827 width: px(30.0),
12828 margin: Pixels::ZERO,
12829 git_blame_entries_width: None,
12830 },
12831 line_height,
12832 gpui::Point::default(),
12833 DisplayRow(0)..DisplayRow(6),
12834 &(0..6)
12835 .map(|row| RowInfo {
12836 buffer_row: Some(row),
12837 diff_status: Some(DiffHunkStatus::deleted(
12838 buffer_diff::DiffHunkSecondaryStatus::NoSecondaryHunk,
12839 )),
12840 ..Default::default()
12841 })
12842 .collect::<Vec<_>>(),
12843 &BTreeMap::from_iter([(DisplayRow(0), LineHighlightSpec::default())]),
12844 Some(DisplayRow(0)),
12845 &snapshot,
12846 window,
12847 cx,
12848 )
12849 })
12850 .unwrap();
12851 assert!(
12852 layouts.is_empty(),
12853 "Deleted lines should have no line number"
12854 );
12855
12856 let relative_rows = window
12857 .update(cx, |editor, window, cx| {
12858 let snapshot = editor.snapshot(window, cx);
12859 snapshot.calculate_relative_line_numbers(
12860 &(DisplayRow(0)..DisplayRow(6)),
12861 DisplayRow(3),
12862 true,
12863 )
12864 })
12865 .unwrap();
12866
12867 // Deleted lines should still have relative numbers
12868 assert_eq!(relative_rows[&DisplayRow(0)], 3);
12869 assert_eq!(relative_rows[&DisplayRow(1)], 2);
12870 assert_eq!(relative_rows[&DisplayRow(2)], 1);
12871 // current line, even if deleted, has no relative number
12872 assert!(!relative_rows.contains_key(&DisplayRow(3)));
12873 assert_eq!(relative_rows[&DisplayRow(4)], 1);
12874 assert_eq!(relative_rows[&DisplayRow(5)], 2);
12875 }
12876
12877 #[gpui::test]
12878 async fn test_vim_visual_selections(cx: &mut TestAppContext) {
12879 init_test(cx, |_| {});
12880
12881 let window = cx.add_window(|window, cx| {
12882 let buffer = MultiBuffer::build_simple(&(sample_text(6, 6, 'a') + "\n"), cx);
12883 Editor::new(EditorMode::full(), buffer, None, window, cx)
12884 });
12885 let cx = &mut VisualTestContext::from_window(*window, cx);
12886 let editor = window.root(cx).unwrap();
12887 let style = cx.update(|_, cx| editor.update(cx, |editor, cx| editor.style(cx).clone()));
12888
12889 window
12890 .update(cx, |editor, window, cx| {
12891 editor.cursor_offset_on_selection = true;
12892 editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
12893 s.select_ranges([
12894 Point::new(0, 0)..Point::new(1, 0),
12895 Point::new(3, 2)..Point::new(3, 3),
12896 Point::new(5, 6)..Point::new(6, 0),
12897 ]);
12898 });
12899 })
12900 .unwrap();
12901
12902 let (_, state) = cx.draw(
12903 point(px(500.), px(500.)),
12904 size(px(500.), px(500.)),
12905 |_, _| EditorElement::new(&editor, style),
12906 );
12907
12908 assert_eq!(state.selections.len(), 1);
12909 let local_selections = &state.selections[0].1;
12910 assert_eq!(local_selections.len(), 3);
12911 // moves cursor back one line
12912 assert_eq!(
12913 local_selections[0].head,
12914 DisplayPoint::new(DisplayRow(0), 6)
12915 );
12916 assert_eq!(
12917 local_selections[0].range,
12918 DisplayPoint::new(DisplayRow(0), 0)..DisplayPoint::new(DisplayRow(1), 0)
12919 );
12920
12921 // moves cursor back one column
12922 assert_eq!(
12923 local_selections[1].range,
12924 DisplayPoint::new(DisplayRow(3), 2)..DisplayPoint::new(DisplayRow(3), 3)
12925 );
12926 assert_eq!(
12927 local_selections[1].head,
12928 DisplayPoint::new(DisplayRow(3), 2)
12929 );
12930
12931 // leaves cursor on the max point
12932 assert_eq!(
12933 local_selections[2].range,
12934 DisplayPoint::new(DisplayRow(5), 6)..DisplayPoint::new(DisplayRow(6), 0)
12935 );
12936 assert_eq!(
12937 local_selections[2].head,
12938 DisplayPoint::new(DisplayRow(6), 0)
12939 );
12940
12941 // active lines does not include 1 (even though the range of the selection does)
12942 assert_eq!(
12943 state.active_rows.keys().cloned().collect::<Vec<_>>(),
12944 vec![DisplayRow(0), DisplayRow(3), DisplayRow(5), DisplayRow(6)]
12945 );
12946 }
12947
12948 #[gpui::test]
12949 fn test_layout_with_placeholder_text_and_blocks(cx: &mut TestAppContext) {
12950 init_test(cx, |_| {});
12951
12952 let window = cx.add_window(|window, cx| {
12953 let buffer = MultiBuffer::build_simple("", cx);
12954 Editor::new(EditorMode::full(), buffer, None, window, cx)
12955 });
12956 let cx = &mut VisualTestContext::from_window(*window, cx);
12957 let editor = window.root(cx).unwrap();
12958 let style = cx.update(|_, cx| editor.update(cx, |editor, cx| editor.style(cx).clone()));
12959 window
12960 .update(cx, |editor, window, cx| {
12961 editor.set_placeholder_text("hello", window, cx);
12962 editor.insert_blocks(
12963 [BlockProperties {
12964 style: BlockStyle::Fixed,
12965 placement: BlockPlacement::Above(Anchor::min()),
12966 height: Some(3),
12967 render: Arc::new(|cx| div().h(3. * cx.window.line_height()).into_any()),
12968 priority: 0,
12969 }],
12970 None,
12971 cx,
12972 );
12973
12974 // Blur the editor so that it displays placeholder text.
12975 window.blur();
12976 })
12977 .unwrap();
12978
12979 let (_, state) = cx.draw(
12980 point(px(500.), px(500.)),
12981 size(px(500.), px(500.)),
12982 |_, _| EditorElement::new(&editor, style),
12983 );
12984 assert_eq!(state.position_map.line_layouts.len(), 4);
12985 assert_eq!(state.line_numbers.len(), 1);
12986 assert_eq!(
12987 state
12988 .line_numbers
12989 .get(&MultiBufferRow(0))
12990 .map(|line_number| line_number
12991 .segments
12992 .first()
12993 .unwrap()
12994 .shaped_line
12995 .text
12996 .as_ref()),
12997 Some("1")
12998 );
12999 }
13000
13001 #[gpui::test]
13002 fn test_all_invisibles_drawing(cx: &mut TestAppContext) {
13003 const TAB_SIZE: u32 = 4;
13004
13005 let input_text = "\t \t|\t| a b";
13006 let expected_invisibles = vec![
13007 Invisible::Tab {
13008 line_start_offset: 0,
13009 line_end_offset: TAB_SIZE as usize,
13010 },
13011 Invisible::Whitespace {
13012 line_offset: TAB_SIZE as usize,
13013 },
13014 Invisible::Tab {
13015 line_start_offset: TAB_SIZE as usize + 1,
13016 line_end_offset: TAB_SIZE as usize * 2,
13017 },
13018 Invisible::Tab {
13019 line_start_offset: TAB_SIZE as usize * 2 + 1,
13020 line_end_offset: TAB_SIZE as usize * 3,
13021 },
13022 Invisible::Whitespace {
13023 line_offset: TAB_SIZE as usize * 3 + 1,
13024 },
13025 Invisible::Whitespace {
13026 line_offset: TAB_SIZE as usize * 3 + 3,
13027 },
13028 ];
13029 assert_eq!(
13030 expected_invisibles.len(),
13031 input_text
13032 .chars()
13033 .filter(|initial_char| initial_char.is_whitespace())
13034 .count(),
13035 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
13036 );
13037
13038 for show_line_numbers in [true, false] {
13039 init_test(cx, |s| {
13040 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
13041 s.defaults.tab_size = NonZeroU32::new(TAB_SIZE);
13042 });
13043
13044 let actual_invisibles = collect_invisibles_from_new_editor(
13045 cx,
13046 EditorMode::full(),
13047 input_text,
13048 px(500.0),
13049 show_line_numbers,
13050 );
13051
13052 assert_eq!(expected_invisibles, actual_invisibles);
13053 }
13054 }
13055
13056 #[gpui::test]
13057 fn test_invisibles_dont_appear_in_certain_editors(cx: &mut TestAppContext) {
13058 init_test(cx, |s| {
13059 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
13060 s.defaults.tab_size = NonZeroU32::new(4);
13061 });
13062
13063 for editor_mode_without_invisibles in [
13064 EditorMode::SingleLine,
13065 EditorMode::AutoHeight {
13066 min_lines: 1,
13067 max_lines: Some(100),
13068 },
13069 ] {
13070 for show_line_numbers in [true, false] {
13071 let invisibles = collect_invisibles_from_new_editor(
13072 cx,
13073 editor_mode_without_invisibles.clone(),
13074 "\t\t\t| | a b",
13075 px(500.0),
13076 show_line_numbers,
13077 );
13078 assert!(
13079 invisibles.is_empty(),
13080 "For editor mode {editor_mode_without_invisibles:?} no invisibles was expected but got {invisibles:?}"
13081 );
13082 }
13083 }
13084 }
13085
13086 #[gpui::test]
13087 fn test_wrapped_invisibles_drawing(cx: &mut TestAppContext) {
13088 let tab_size = 4;
13089 let input_text = "a\tbcd ".repeat(9);
13090 let repeated_invisibles = [
13091 Invisible::Tab {
13092 line_start_offset: 1,
13093 line_end_offset: tab_size as usize,
13094 },
13095 Invisible::Whitespace {
13096 line_offset: tab_size as usize + 3,
13097 },
13098 Invisible::Whitespace {
13099 line_offset: tab_size as usize + 4,
13100 },
13101 Invisible::Whitespace {
13102 line_offset: tab_size as usize + 5,
13103 },
13104 Invisible::Whitespace {
13105 line_offset: tab_size as usize + 6,
13106 },
13107 Invisible::Whitespace {
13108 line_offset: tab_size as usize + 7,
13109 },
13110 ];
13111 let expected_invisibles = std::iter::once(repeated_invisibles)
13112 .cycle()
13113 .take(9)
13114 .flatten()
13115 .collect::<Vec<_>>();
13116 assert_eq!(
13117 expected_invisibles.len(),
13118 input_text
13119 .chars()
13120 .filter(|initial_char| initial_char.is_whitespace())
13121 .count(),
13122 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
13123 );
13124 info!("Expected invisibles: {expected_invisibles:?}");
13125
13126 init_test(cx, |_| {});
13127
13128 // Put the same string with repeating whitespace pattern into editors of various size,
13129 // take deliberately small steps during resizing, to put all whitespace kinds near the wrap point.
13130 let resize_step = 10.0;
13131 let mut editor_width = 200.0;
13132 while editor_width <= 1000.0 {
13133 for show_line_numbers in [true, false] {
13134 update_test_language_settings(cx, &|s| {
13135 s.defaults.tab_size = NonZeroU32::new(tab_size);
13136 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
13137 s.defaults.preferred_line_length = Some(editor_width as u32);
13138 s.defaults.soft_wrap = Some(language_settings::SoftWrap::PreferredLineLength);
13139 });
13140
13141 let actual_invisibles = collect_invisibles_from_new_editor(
13142 cx,
13143 EditorMode::full(),
13144 &input_text,
13145 px(editor_width),
13146 show_line_numbers,
13147 );
13148
13149 // Whatever the editor size is, ensure it has the same invisible kinds in the same order
13150 // (no good guarantees about the offsets: wrapping could trigger padding and its tests should check the offsets).
13151 let mut i = 0;
13152 for (actual_index, actual_invisible) in actual_invisibles.iter().enumerate() {
13153 i = actual_index;
13154 match expected_invisibles.get(i) {
13155 Some(expected_invisible) => match (expected_invisible, actual_invisible) {
13156 (Invisible::Whitespace { .. }, Invisible::Whitespace { .. })
13157 | (Invisible::Tab { .. }, Invisible::Tab { .. }) => {}
13158 _ => {
13159 panic!(
13160 "At index {i}, expected invisible {expected_invisible:?} does not match actual {actual_invisible:?} by kind. Actual invisibles: {actual_invisibles:?}"
13161 )
13162 }
13163 },
13164 None => {
13165 panic!("Unexpected extra invisible {actual_invisible:?} at index {i}")
13166 }
13167 }
13168 }
13169 let missing_expected_invisibles = &expected_invisibles[i + 1..];
13170 assert!(
13171 missing_expected_invisibles.is_empty(),
13172 "Missing expected invisibles after index {i}: {missing_expected_invisibles:?}"
13173 );
13174
13175 editor_width += resize_step;
13176 }
13177 }
13178 }
13179
13180 fn collect_invisibles_from_new_editor(
13181 cx: &mut TestAppContext,
13182 editor_mode: EditorMode,
13183 input_text: &str,
13184 editor_width: Pixels,
13185 show_line_numbers: bool,
13186 ) -> Vec<Invisible> {
13187 info!(
13188 "Creating editor with mode {editor_mode:?}, width {}px and text '{input_text}'",
13189 f32::from(editor_width)
13190 );
13191 let window = cx.add_window(|window, cx| {
13192 let buffer = MultiBuffer::build_simple(input_text, cx);
13193 Editor::new(editor_mode, buffer, None, window, cx)
13194 });
13195 let cx = &mut VisualTestContext::from_window(*window, cx);
13196 let editor = window.root(cx).unwrap();
13197
13198 let style = editor.update(cx, |editor, cx| editor.style(cx).clone());
13199 window
13200 .update(cx, |editor, _, cx| {
13201 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
13202 editor.set_wrap_width(Some(editor_width), cx);
13203 editor.set_show_line_numbers(show_line_numbers, cx);
13204 })
13205 .unwrap();
13206 let (_, state) = cx.draw(
13207 point(px(500.), px(500.)),
13208 size(px(500.), px(500.)),
13209 |_, _| EditorElement::new(&editor, style),
13210 );
13211 state
13212 .position_map
13213 .line_layouts
13214 .iter()
13215 .flat_map(|line_with_invisibles| &line_with_invisibles.invisibles)
13216 .cloned()
13217 .collect()
13218 }
13219
13220 #[gpui::test]
13221 fn test_merge_overlapping_ranges() {
13222 let base_bg = Hsla::white();
13223 let color1 = Hsla {
13224 h: 0.0,
13225 s: 0.5,
13226 l: 0.5,
13227 a: 0.5,
13228 };
13229 let color2 = Hsla {
13230 h: 120.0,
13231 s: 0.5,
13232 l: 0.5,
13233 a: 0.5,
13234 };
13235
13236 let display_point = |col| DisplayPoint::new(DisplayRow(0), col);
13237 let cols = |v: &Vec<(Range<DisplayPoint>, Hsla)>| -> Vec<(u32, u32)> {
13238 v.iter()
13239 .map(|(r, _)| (r.start.column(), r.end.column()))
13240 .collect()
13241 };
13242
13243 // Test overlapping ranges blend colors
13244 let overlapping = vec![
13245 (display_point(5)..display_point(15), color1),
13246 (display_point(10)..display_point(20), color2),
13247 ];
13248 let result = EditorElement::merge_overlapping_ranges(overlapping, base_bg);
13249 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
13250
13251 // Test middle segment should have blended color
13252 let blended = Hsla::blend(Hsla::blend(base_bg, color1), color2);
13253 assert_eq!(result[1].1, blended);
13254
13255 // Test adjacent same-color ranges merge
13256 let adjacent_same = vec![
13257 (display_point(5)..display_point(10), color1),
13258 (display_point(10)..display_point(15), color1),
13259 ];
13260 let result = EditorElement::merge_overlapping_ranges(adjacent_same, base_bg);
13261 assert_eq!(cols(&result), vec![(5, 15)]);
13262
13263 // Test contained range splits
13264 let contained = vec![
13265 (display_point(5)..display_point(20), color1),
13266 (display_point(10)..display_point(15), color2),
13267 ];
13268 let result = EditorElement::merge_overlapping_ranges(contained, base_bg);
13269 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
13270
13271 // Test multiple overlaps split at every boundary
13272 let color3 = Hsla {
13273 h: 240.0,
13274 s: 0.5,
13275 l: 0.5,
13276 a: 0.5,
13277 };
13278 let complex = vec![
13279 (display_point(5)..display_point(12), color1),
13280 (display_point(8)..display_point(16), color2),
13281 (display_point(10)..display_point(14), color3),
13282 ];
13283 let result = EditorElement::merge_overlapping_ranges(complex, base_bg);
13284 assert_eq!(
13285 cols(&result),
13286 vec![(5, 8), (8, 10), (10, 12), (12, 14), (14, 16)]
13287 );
13288 }
13289
13290 #[gpui::test]
13291 fn test_bg_segments_per_row() {
13292 let base_bg = Hsla::white();
13293
13294 // Case A: selection spans three display rows: row 1 [5, end), full row 2, row 3 [0, 7)
13295 {
13296 let selection_color = Hsla {
13297 h: 200.0,
13298 s: 0.5,
13299 l: 0.5,
13300 a: 0.5,
13301 };
13302 let player_color = PlayerColor {
13303 cursor: selection_color,
13304 background: selection_color,
13305 selection: selection_color,
13306 };
13307
13308 let spanning_selection = SelectionLayout {
13309 head: DisplayPoint::new(DisplayRow(3), 7),
13310 cursor_shape: CursorShape::Bar,
13311 is_newest: true,
13312 is_local: true,
13313 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 7),
13314 active_rows: DisplayRow(1)..DisplayRow(4),
13315 user_name: None,
13316 };
13317
13318 let selections = vec![(player_color, vec![spanning_selection])];
13319 let result = EditorElement::bg_segments_per_row(
13320 DisplayRow(0)..DisplayRow(5),
13321 &selections,
13322 &[],
13323 base_bg,
13324 );
13325
13326 assert_eq!(result.len(), 5);
13327 assert!(result[0].is_empty());
13328 assert_eq!(result[1].len(), 1);
13329 assert_eq!(result[2].len(), 1);
13330 assert_eq!(result[3].len(), 1);
13331 assert!(result[4].is_empty());
13332
13333 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
13334 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
13335 assert_eq!(result[1][0].0.end.column(), u32::MAX);
13336 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
13337 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
13338 assert_eq!(result[2][0].0.end.column(), u32::MAX);
13339 assert_eq!(result[3][0].0.start, DisplayPoint::new(DisplayRow(3), 0));
13340 assert_eq!(result[3][0].0.end, DisplayPoint::new(DisplayRow(3), 7));
13341 }
13342
13343 // Case B: selection ends exactly at the start of row 3, excluding row 3
13344 {
13345 let selection_color = Hsla {
13346 h: 120.0,
13347 s: 0.5,
13348 l: 0.5,
13349 a: 0.5,
13350 };
13351 let player_color = PlayerColor {
13352 cursor: selection_color,
13353 background: selection_color,
13354 selection: selection_color,
13355 };
13356
13357 let selection = SelectionLayout {
13358 head: DisplayPoint::new(DisplayRow(2), 0),
13359 cursor_shape: CursorShape::Bar,
13360 is_newest: true,
13361 is_local: true,
13362 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 0),
13363 active_rows: DisplayRow(1)..DisplayRow(3),
13364 user_name: None,
13365 };
13366
13367 let selections = vec![(player_color, vec![selection])];
13368 let result = EditorElement::bg_segments_per_row(
13369 DisplayRow(0)..DisplayRow(4),
13370 &selections,
13371 &[],
13372 base_bg,
13373 );
13374
13375 assert_eq!(result.len(), 4);
13376 assert!(result[0].is_empty());
13377 assert_eq!(result[1].len(), 1);
13378 assert_eq!(result[2].len(), 1);
13379 assert!(result[3].is_empty());
13380
13381 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
13382 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
13383 assert_eq!(result[1][0].0.end.column(), u32::MAX);
13384 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
13385 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
13386 assert_eq!(result[2][0].0.end.column(), u32::MAX);
13387 }
13388 }
13389
13390 #[cfg(test)]
13391 fn generate_test_run(len: usize, color: Hsla) -> TextRun {
13392 TextRun {
13393 len,
13394 color,
13395 ..Default::default()
13396 }
13397 }
13398
13399 #[gpui::test]
13400 fn test_split_runs_by_bg_segments(cx: &mut gpui::TestAppContext) {
13401 init_test(cx, |_| {});
13402
13403 let dx = |start: u32, end: u32| {
13404 DisplayPoint::new(DisplayRow(0), start)..DisplayPoint::new(DisplayRow(0), end)
13405 };
13406
13407 let text_color = Hsla {
13408 h: 210.0,
13409 s: 0.1,
13410 l: 0.4,
13411 a: 1.0,
13412 };
13413 let bg_1 = Hsla {
13414 h: 30.0,
13415 s: 0.6,
13416 l: 0.8,
13417 a: 1.0,
13418 };
13419 let bg_2 = Hsla {
13420 h: 200.0,
13421 s: 0.6,
13422 l: 0.2,
13423 a: 1.0,
13424 };
13425 let min_contrast = 45.0;
13426 let adjusted_bg1 = ensure_minimum_contrast(text_color, bg_1, min_contrast);
13427 let adjusted_bg2 = ensure_minimum_contrast(text_color, bg_2, min_contrast);
13428
13429 // Case A: single run; disjoint segments inside the run
13430 {
13431 let runs = vec![generate_test_run(20, text_color)];
13432 let segs = vec![(dx(5, 10), bg_1), (dx(12, 16), bg_2)];
13433 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
13434 // Expected slices: [0,5) [5,10) [10,12) [12,16) [16,20)
13435 assert_eq!(
13436 out.iter().map(|r| r.len).collect::<Vec<_>>(),
13437 vec![5, 5, 2, 4, 4]
13438 );
13439 assert_eq!(out[0].color, text_color);
13440 assert_eq!(out[1].color, adjusted_bg1);
13441 assert_eq!(out[2].color, text_color);
13442 assert_eq!(out[3].color, adjusted_bg2);
13443 assert_eq!(out[4].color, text_color);
13444 }
13445
13446 // Case B: multiple runs; segment extends to end of line (u32::MAX)
13447 {
13448 let runs = vec![
13449 generate_test_run(8, text_color),
13450 generate_test_run(7, text_color),
13451 ];
13452 let segs = vec![(dx(6, u32::MAX), bg_1)];
13453 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
13454 // Expected slices across runs: [0,6) [6,8) | [0,7)
13455 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![6, 2, 7]);
13456 assert_eq!(out[0].color, text_color);
13457 assert_eq!(out[1].color, adjusted_bg1);
13458 assert_eq!(out[2].color, adjusted_bg1);
13459 }
13460
13461 // Case C: multi-byte characters
13462 {
13463 // for text: "Hello π δΈη!"
13464 let runs = vec![
13465 generate_test_run(5, text_color), // "Hello"
13466 generate_test_run(6, text_color), // " π "
13467 generate_test_run(6, text_color), // "δΈη"
13468 generate_test_run(1, text_color), // "!"
13469 ];
13470 // selecting "π δΈ"
13471 let segs = vec![(dx(6, 14), bg_1)];
13472 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
13473 // "Hello" | " " | "π " | "δΈ" | "η" | "!"
13474 assert_eq!(
13475 out.iter().map(|r| r.len).collect::<Vec<_>>(),
13476 vec![5, 1, 5, 3, 3, 1]
13477 );
13478 assert_eq!(out[0].color, text_color); // "Hello"
13479 assert_eq!(out[2].color, adjusted_bg1); // "π "
13480 assert_eq!(out[3].color, adjusted_bg1); // "δΈ"
13481 assert_eq!(out[4].color, text_color); // "η"
13482 assert_eq!(out[5].color, text_color); // "!"
13483 }
13484
13485 // Case D: split multiple consecutive text runs with segments
13486 {
13487 let segs = vec![
13488 (dx(2, 4), bg_1), // selecting "cd"
13489 (dx(4, 8), bg_2), // selecting "efgh"
13490 (dx(9, 11), bg_1), // selecting "jk"
13491 (dx(12, 16), bg_2), // selecting "mnop"
13492 (dx(18, 19), bg_1), // selecting "s"
13493 ];
13494
13495 // for text: "abcdef"
13496 let runs = vec![
13497 generate_test_run(2, text_color), // ab
13498 generate_test_run(4, text_color), // cdef
13499 ];
13500 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
13501 // new splits "ab", "cd", "ef"
13502 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![2, 2, 2]);
13503 assert_eq!(out[0].color, text_color);
13504 assert_eq!(out[1].color, adjusted_bg1);
13505 assert_eq!(out[2].color, adjusted_bg2);
13506
13507 // for text: "ghijklmn"
13508 let runs = vec![
13509 generate_test_run(3, text_color), // ghi
13510 generate_test_run(2, text_color), // jk
13511 generate_test_run(3, text_color), // lmn
13512 ];
13513 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 6); // 2 + 4 from first run
13514 // new splits "gh", "i", "jk", "l", "mn"
13515 assert_eq!(
13516 out.iter().map(|r| r.len).collect::<Vec<_>>(),
13517 vec![2, 1, 2, 1, 2]
13518 );
13519 assert_eq!(out[0].color, adjusted_bg2);
13520 assert_eq!(out[1].color, text_color);
13521 assert_eq!(out[2].color, adjusted_bg1);
13522 assert_eq!(out[3].color, text_color);
13523 assert_eq!(out[4].color, adjusted_bg2);
13524
13525 // for text: "opqrs"
13526 let runs = vec![
13527 generate_test_run(1, text_color), // o
13528 generate_test_run(4, text_color), // pqrs
13529 ];
13530 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 14); // 6 + 3 + 2 + 3 from first two runs
13531 // new splits "o", "p", "qr", "s"
13532 assert_eq!(
13533 out.iter().map(|r| r.len).collect::<Vec<_>>(),
13534 vec![1, 1, 2, 1]
13535 );
13536 assert_eq!(out[0].color, adjusted_bg2);
13537 assert_eq!(out[1].color, adjusted_bg2);
13538 assert_eq!(out[2].color, text_color);
13539 assert_eq!(out[3].color, adjusted_bg1);
13540 }
13541 }
13542
13543 #[test]
13544 fn test_spacer_pattern_period() {
13545 // line height is smaller than target height, so we just return half the line height
13546 assert_eq!(EditorElement::spacer_pattern_period(10.0, 20.0), 5.0);
13547
13548 // line height is exactly half the target height, perfect match
13549 assert_eq!(EditorElement::spacer_pattern_period(20.0, 10.0), 10.0);
13550
13551 // line height is close to half the target height
13552 assert_eq!(EditorElement::spacer_pattern_period(20.0, 9.0), 10.0);
13553
13554 // line height is close to 1/4 the target height
13555 assert_eq!(EditorElement::spacer_pattern_period(20.0, 4.8), 5.0);
13556 }
13557
13558 #[gpui::test(iterations = 100)]
13559 fn test_random_spacer_pattern_period(mut rng: StdRng) {
13560 let line_height = rng.next_u32() as f32;
13561 let target_height = rng.next_u32() as f32;
13562
13563 let result = EditorElement::spacer_pattern_period(line_height, target_height);
13564
13565 let k = line_height / result;
13566 assert!(k - k.round() < 0.0000001); // approximately integer
13567 assert!((k.round() as u32).is_multiple_of(2));
13568 }
13569
13570 #[test]
13571 fn test_calculate_wrap_width() {
13572 let editor_width = px(800.0);
13573 let em_width = px(8.0);
13574
13575 assert_eq!(
13576 calculate_wrap_width(SoftWrap::GitDiff, editor_width, em_width),
13577 None,
13578 );
13579
13580 assert_eq!(
13581 calculate_wrap_width(SoftWrap::None, editor_width, em_width),
13582 Some(px((MAX_LINE_LEN as f32 / 2.0 * 8.0).ceil())),
13583 );
13584
13585 assert_eq!(
13586 calculate_wrap_width(SoftWrap::EditorWidth, editor_width, em_width),
13587 Some(px(800.0)),
13588 );
13589
13590 assert_eq!(
13591 calculate_wrap_width(SoftWrap::Column(72), editor_width, em_width),
13592 Some(px((72.0 * 8.0_f32).ceil())),
13593 );
13594
13595 assert_eq!(
13596 calculate_wrap_width(SoftWrap::Bounded(72), editor_width, em_width),
13597 Some(px((72.0 * 8.0_f32).ceil())),
13598 );
13599 assert_eq!(
13600 calculate_wrap_width(SoftWrap::Bounded(200), px(400.0), em_width),
13601 Some(px(400.0)),
13602 );
13603 }
13604}