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, GutterHoverButton, HalfPageDown, HalfPageUp, HandleInput,
8 HoveredCursor, InlayHintRefreshReason, JumpData, LineDown, LineHighlight, LineUp, MAX_LINE_LEN,
9 MINIMAP_FONT_SIZE, MULTI_BUFFER_EXCERPT_HEADER_HEIGHT, OpenExcerpts, PageDown, PageUp,
10 PhantomDiffReviewIndicator, Point, RowExt, RowRangeExt, SelectPhase, Selection,
11 SelectionDragState, SelectionEffects, SizingBehavior, SoftWrap, StickyHeaderExcerpt, ToPoint,
12 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, HashSet};
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, Corners, CursorStyle, DispatchPhase,
44 Edges, Element, ElementInputHandler, Entity, Focusable as _, Font, FontId, FontWeight,
45 GlobalElementId, Hitbox, HitboxBehavior, Hsla, InteractiveElement, IntoElement, IsZero, Length,
46 Modifiers, ModifiersChangedEvent, MouseButton, MouseClickEvent, MouseDownEvent, MouseMoveEvent,
47 MousePressureEvent, MouseUpEvent, PaintQuad, ParentElement, Pixels, PressureStage, ScrollDelta,
48 ScrollHandle, ScrollWheelEvent, ShapedLine, SharedString, Size, StatefulInteractiveElement,
49 Style, Styled, StyledText, TextAlign, TextRun, TextStyleRefinement, WeakEntity, Window,
50 anchored, deferred, div, fill, linear_color_stop, linear_gradient, outline, pattern_slash,
51 point, px, quad, relative, size, solid_background, transparent_black,
52};
53use itertools::Itertools;
54use language::{
55 HighlightedText, IndentGuideSettings, LanguageAwareStyling,
56 language_settings::ShowWhitespaceSetting,
57};
58use markdown::Markdown;
59use multi_buffer::{
60 Anchor, ExcerptBoundaryInfo, ExpandExcerptDirection, ExpandInfo, MultiBufferPoint,
61 MultiBufferRow, RowInfo,
62};
63
64use project::{
65 DisableAiSettings, Entry,
66 debugger::breakpoint_store::{Breakpoint, BreakpointSessionState},
67 project_settings::ProjectSettings,
68};
69use settings::{
70 GitGutterSetting, GitHunkStyleSetting, IndentGuideBackgroundColoring, IndentGuideColoring,
71 RelativeLineNumbers, Settings,
72};
73use smallvec::{SmallVec, smallvec};
74use std::{
75 any::TypeId,
76 borrow::Cow,
77 cell::Cell,
78 cmp::{self, Ordering},
79 fmt::{self, Write},
80 iter, mem,
81 ops::{Deref, Range},
82 path::{self, Path},
83 rc::Rc,
84 sync::Arc,
85 time::{Duration, Instant},
86};
87use sum_tree::Bias;
88use text::{BufferId, SelectionGoal};
89use theme::{ActiveTheme, Appearance, PlayerColor};
90use theme_settings::BufferLineHeight;
91use ui::utils::ensure_minimum_contrast;
92use ui::{
93 ButtonLike, ContextMenu, Indicator, KeyBinding, POPOVER_Y_PADDING, Tooltip, prelude::*,
94 right_click_menu, scrollbars::ShowScrollbar, text_for_keystroke,
95};
96use unicode_segmentation::UnicodeSegmentation;
97use util::post_inc;
98use util::{RangeExt, ResultExt, debug_panic};
99use workspace::{
100 CollaboratorId, ItemHandle, ItemSettings, OpenInTerminal, OpenTerminal, RevealInProjectPanel,
101 Workspace,
102 item::{Item, ItemBufferKind},
103};
104
105/// Determines what kinds of highlights should be applied to a lines background.
106#[derive(Clone, Copy, Default)]
107struct LineHighlightSpec {
108 selection: bool,
109 breakpoint: bool,
110 _active_stack_frame: bool,
111}
112
113#[derive(Debug)]
114struct SelectionLayout {
115 head: DisplayPoint,
116 cursor_shape: CursorShape,
117 is_newest: bool,
118 is_local: bool,
119 range: Range<DisplayPoint>,
120 active_rows: Range<DisplayRow>,
121 user_name: Option<SharedString>,
122}
123
124struct InlineBlameLayout {
125 element: AnyElement,
126 bounds: Bounds<Pixels>,
127 buffer_id: BufferId,
128 entry: BlameEntry,
129}
130
131impl SelectionLayout {
132 fn new<T: ToPoint + ToDisplayPoint + Clone>(
133 selection: Selection<T>,
134 line_mode: bool,
135 cursor_offset: bool,
136 cursor_shape: CursorShape,
137 map: &DisplaySnapshot,
138 is_newest: bool,
139 is_local: bool,
140 user_name: Option<SharedString>,
141 ) -> Self {
142 let point_selection = selection.map(|p| p.to_point(map.buffer_snapshot()));
143 let display_selection = point_selection.map(|p| p.to_display_point(map));
144 let mut range = display_selection.range();
145 let mut head = display_selection.head();
146 let mut active_rows = map.prev_line_boundary(point_selection.start).1.row()
147 ..map.next_line_boundary(point_selection.end).1.row();
148
149 // vim visual line mode
150 if line_mode {
151 let point_range = map.expand_to_line(point_selection.range());
152 range = point_range.start.to_display_point(map)..point_range.end.to_display_point(map);
153 }
154
155 // any vim visual mode (including line mode)
156 if cursor_offset && !range.is_empty() && !selection.reversed {
157 if head.column() > 0 {
158 head = map.clip_point(DisplayPoint::new(head.row(), head.column() - 1), Bias::Left);
159 } else if head.row().0 > 0 && head != map.max_point() {
160 head = map.clip_point(
161 DisplayPoint::new(
162 head.row().previous_row(),
163 map.line_len(head.row().previous_row()),
164 ),
165 Bias::Left,
166 );
167 // updating range.end is a no-op unless you're cursor is
168 // on the newline containing a multi-buffer divider
169 // in which case the clip_point may have moved the head up
170 // an additional row.
171 range.end = DisplayPoint::new(head.row().next_row(), 0);
172 active_rows.end = head.row();
173 }
174 }
175
176 Self {
177 head,
178 cursor_shape,
179 is_newest,
180 is_local,
181 range,
182 active_rows,
183 user_name,
184 }
185 }
186}
187
188#[derive(Default)]
189struct RenderBlocksOutput {
190 // We store spacer blocks separately because they paint in a different order
191 // (spacers -> indent guides -> non-spacers)
192 non_spacer_blocks: Vec<BlockLayout>,
193 spacer_blocks: Vec<BlockLayout>,
194 row_block_types: HashMap<DisplayRow, bool>,
195 resized_blocks: Option<HashMap<CustomBlockId, u32>>,
196}
197
198pub struct EditorElement {
199 editor: Entity<Editor>,
200 style: EditorStyle,
201 split_side: Option<SplitSide>,
202}
203
204#[derive(Debug, Clone, Copy, PartialEq, Eq)]
205pub enum SplitSide {
206 Left,
207 Right,
208}
209
210impl EditorElement {
211 pub(crate) const SCROLLBAR_WIDTH: Pixels = px(15.);
212
213 pub fn new(editor: &Entity<Editor>, style: EditorStyle) -> Self {
214 Self {
215 editor: editor.clone(),
216 style,
217 split_side: None,
218 }
219 }
220
221 pub fn set_split_side(&mut self, side: SplitSide) {
222 self.split_side = Some(side);
223 }
224
225 fn should_show_buffer_headers(&self) -> bool {
226 self.split_side.is_none()
227 }
228
229 fn register_actions(&self, window: &mut Window, cx: &mut App) {
230 let editor = &self.editor;
231 editor.update(cx, |editor, cx| {
232 for action in editor.editor_actions.borrow().values() {
233 (action)(editor, window, cx)
234 }
235 });
236
237 crate::rust_analyzer_ext::apply_related_actions(editor, window, cx);
238 crate::clangd_ext::apply_related_actions(editor, window, cx);
239
240 register_action(editor, window, Editor::open_context_menu);
241 register_action(editor, window, Editor::move_left);
242 register_action(editor, window, Editor::move_right);
243 register_action(editor, window, Editor::move_down);
244 register_action(editor, window, Editor::move_down_by_lines);
245 register_action(editor, window, Editor::select_down_by_lines);
246 register_action(editor, window, Editor::move_up);
247 register_action(editor, window, Editor::move_up_by_lines);
248 register_action(editor, window, Editor::select_up_by_lines);
249 register_action(editor, window, Editor::select_page_down);
250 register_action(editor, window, Editor::select_page_up);
251 register_action(editor, window, Editor::cancel);
252 register_action(editor, window, Editor::newline);
253 register_action(editor, window, Editor::newline_above);
254 register_action(editor, window, Editor::newline_below);
255 register_action(editor, window, Editor::backspace);
256 register_action(editor, window, Editor::blame_hover);
257 register_action(editor, window, Editor::delete);
258 register_action(editor, window, Editor::tab);
259 register_action(editor, window, Editor::next_snippet_tabstop);
260 register_action(editor, window, Editor::previous_snippet_tabstop);
261 register_action(editor, window, Editor::backtab);
262 register_action(editor, window, Editor::indent);
263 register_action(editor, window, Editor::outdent);
264 register_action(editor, window, Editor::autoindent);
265 register_action(editor, window, Editor::delete_line);
266 register_action(editor, window, Editor::join_lines);
267 register_action(editor, window, Editor::sort_lines_by_length);
268 register_action(editor, window, Editor::sort_lines_case_sensitive);
269 register_action(editor, window, Editor::sort_lines_case_insensitive);
270 register_action(editor, window, Editor::reverse_lines);
271 register_action(editor, window, Editor::shuffle_lines);
272 register_action(editor, window, Editor::rotate_selections_forward);
273 register_action(editor, window, Editor::rotate_selections_backward);
274 register_action(editor, window, Editor::convert_indentation_to_spaces);
275 register_action(editor, window, Editor::convert_indentation_to_tabs);
276 register_action(editor, window, Editor::convert_to_upper_case);
277 register_action(editor, window, Editor::convert_to_lower_case);
278 register_action(editor, window, Editor::convert_to_title_case);
279 register_action(editor, window, Editor::convert_to_snake_case);
280 register_action(editor, window, Editor::convert_to_kebab_case);
281 register_action(editor, window, Editor::convert_to_upper_camel_case);
282 register_action(editor, window, Editor::convert_to_lower_camel_case);
283 register_action(editor, window, Editor::convert_to_opposite_case);
284 register_action(editor, window, Editor::convert_to_sentence_case);
285 register_action(editor, window, Editor::toggle_case);
286 register_action(editor, window, Editor::convert_to_rot13);
287 register_action(editor, window, Editor::convert_to_rot47);
288 register_action(editor, window, Editor::delete_to_previous_word_start);
289 register_action(editor, window, Editor::delete_to_previous_subword_start);
290 register_action(editor, window, Editor::delete_to_next_word_end);
291 register_action(editor, window, Editor::delete_to_next_subword_end);
292 register_action(editor, window, Editor::delete_to_beginning_of_line);
293 register_action(editor, window, Editor::delete_to_end_of_line);
294 register_action(editor, window, Editor::cut_to_end_of_line);
295 register_action(editor, window, Editor::duplicate_line_up);
296 register_action(editor, window, Editor::duplicate_line_down);
297 register_action(editor, window, Editor::duplicate_selection);
298 register_action(editor, window, Editor::move_line_up);
299 register_action(editor, window, Editor::move_line_down);
300 register_action(editor, window, Editor::transpose);
301 register_action(editor, window, Editor::rewrap);
302 register_action(editor, window, Editor::cut);
303 register_action(editor, window, Editor::kill_ring_cut);
304 register_action(editor, window, Editor::kill_ring_yank);
305 register_action(editor, window, Editor::copy);
306 register_action(editor, window, Editor::copy_and_trim);
307 register_action(editor, window, Editor::diff_clipboard_with_selection);
308 register_action(editor, window, Editor::paste);
309 register_action(editor, window, Editor::undo);
310 register_action(editor, window, Editor::redo);
311 register_action(editor, window, Editor::move_page_up);
312 register_action(editor, window, Editor::move_page_down);
313 register_action(editor, window, Editor::next_screen);
314 register_action(editor, window, Editor::scroll_cursor_top);
315 register_action(editor, window, Editor::scroll_cursor_center);
316 register_action(editor, window, Editor::scroll_cursor_bottom);
317 register_action(editor, window, Editor::scroll_cursor_center_top_bottom);
318 register_action(editor, window, |editor, _: &LineDown, window, cx| {
319 editor.scroll_screen(&ScrollAmount::Line(1.), window, cx)
320 });
321 register_action(editor, window, |editor, _: &LineUp, window, cx| {
322 editor.scroll_screen(&ScrollAmount::Line(-1.), window, cx)
323 });
324 register_action(editor, window, |editor, _: &HalfPageDown, window, cx| {
325 editor.scroll_screen(&ScrollAmount::Page(0.5), window, cx)
326 });
327 register_action(
328 editor,
329 window,
330 |editor, HandleInput(text): &HandleInput, window, cx| {
331 if text.is_empty() {
332 return;
333 }
334 editor.handle_input(text, window, cx);
335 },
336 );
337 register_action(editor, window, |editor, _: &HalfPageUp, window, cx| {
338 editor.scroll_screen(&ScrollAmount::Page(-0.5), window, cx)
339 });
340 register_action(editor, window, |editor, _: &PageDown, window, cx| {
341 editor.scroll_screen(&ScrollAmount::Page(1.), window, cx)
342 });
343 register_action(editor, window, |editor, _: &PageUp, window, cx| {
344 editor.scroll_screen(&ScrollAmount::Page(-1.), window, cx)
345 });
346 register_action(editor, window, Editor::move_to_previous_word_start);
347 register_action(editor, window, Editor::move_to_previous_subword_start);
348 register_action(editor, window, Editor::move_to_next_word_end);
349 register_action(editor, window, Editor::move_to_next_subword_end);
350 register_action(editor, window, Editor::move_to_beginning_of_line);
351 register_action(editor, window, Editor::move_to_end_of_line);
352 register_action(editor, window, Editor::move_to_start_of_paragraph);
353 register_action(editor, window, Editor::move_to_end_of_paragraph);
354 register_action(editor, window, Editor::move_to_beginning);
355 register_action(editor, window, Editor::move_to_end);
356 register_action(editor, window, Editor::move_to_start_of_excerpt);
357 register_action(editor, window, Editor::move_to_start_of_next_excerpt);
358 register_action(editor, window, Editor::move_to_end_of_excerpt);
359 register_action(editor, window, Editor::move_to_end_of_previous_excerpt);
360 register_action(editor, window, Editor::select_up);
361 register_action(editor, window, Editor::select_down);
362 register_action(editor, window, Editor::select_left);
363 register_action(editor, window, Editor::select_right);
364 register_action(editor, window, Editor::select_to_previous_word_start);
365 register_action(editor, window, Editor::select_to_previous_subword_start);
366 register_action(editor, window, Editor::select_to_next_word_end);
367 register_action(editor, window, Editor::select_to_next_subword_end);
368 register_action(editor, window, Editor::select_to_beginning_of_line);
369 register_action(editor, window, Editor::select_to_end_of_line);
370 register_action(editor, window, Editor::select_to_start_of_paragraph);
371 register_action(editor, window, Editor::select_to_end_of_paragraph);
372 register_action(editor, window, Editor::select_to_start_of_excerpt);
373 register_action(editor, window, Editor::select_to_start_of_next_excerpt);
374 register_action(editor, window, Editor::select_to_end_of_excerpt);
375 register_action(editor, window, Editor::select_to_end_of_previous_excerpt);
376 register_action(editor, window, Editor::select_to_beginning);
377 register_action(editor, window, Editor::select_to_end);
378 register_action(editor, window, Editor::select_all);
379 register_action(editor, window, |editor, action, window, cx| {
380 editor.select_all_matches(action, window, cx).log_err();
381 });
382 register_action(editor, window, Editor::select_line);
383 register_action(editor, window, Editor::split_selection_into_lines);
384 register_action(editor, window, Editor::add_selection_above);
385 register_action(editor, window, Editor::add_selection_below);
386 register_action(editor, window, Editor::insert_snippet_at_selections);
387 register_action(editor, window, |editor, action, window, cx| {
388 editor.select_next(action, window, cx).log_err();
389 });
390 register_action(editor, window, |editor, action, window, cx| {
391 editor.select_previous(action, window, cx).log_err();
392 });
393 register_action(editor, window, |editor, action, window, cx| {
394 editor.find_next_match(action, window, cx).log_err();
395 });
396 register_action(editor, window, |editor, action, window, cx| {
397 editor.find_previous_match(action, window, cx).log_err();
398 });
399 register_action(editor, window, Editor::toggle_comments);
400 register_action(editor, window, Editor::toggle_block_comments);
401 register_action(editor, window, Editor::select_larger_syntax_node);
402 register_action(editor, window, Editor::select_smaller_syntax_node);
403 register_action(editor, window, Editor::select_next_syntax_node);
404 register_action(editor, window, Editor::select_prev_syntax_node);
405 register_action(
406 editor,
407 window,
408 Editor::select_to_start_of_larger_syntax_node,
409 );
410 register_action(editor, window, Editor::select_to_end_of_larger_syntax_node);
411 register_action(editor, window, Editor::unwrap_syntax_node);
412 register_action(editor, window, Editor::move_to_start_of_larger_syntax_node);
413 register_action(editor, window, Editor::move_to_end_of_larger_syntax_node);
414 register_action(editor, window, Editor::select_enclosing_symbol);
415 register_action(editor, window, Editor::move_to_enclosing_bracket);
416 register_action(editor, window, Editor::undo_selection);
417 register_action(editor, window, Editor::redo_selection);
418 if editor.read(cx).buffer_kind(cx) == ItemBufferKind::Multibuffer {
419 register_action(editor, window, Editor::expand_excerpts);
420 register_action(editor, window, Editor::expand_excerpts_up);
421 register_action(editor, window, Editor::expand_excerpts_down);
422 }
423 register_action(editor, window, Editor::go_to_diagnostic);
424 register_action(editor, window, Editor::go_to_prev_diagnostic);
425 register_action(editor, window, Editor::go_to_next_hunk);
426 register_action(editor, window, Editor::go_to_prev_hunk);
427 register_action(editor, window, Editor::go_to_next_document_highlight);
428 register_action(editor, window, Editor::go_to_prev_document_highlight);
429 register_action(editor, window, |editor, action, window, cx| {
430 editor
431 .go_to_definition(action, window, cx)
432 .detach_and_log_err(cx);
433 });
434 register_action(editor, window, |editor, action, window, cx| {
435 editor
436 .go_to_definition_split(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(action, window, cx)
442 .detach_and_log_err(cx);
443 });
444 register_action(editor, window, |editor, action, window, cx| {
445 editor
446 .go_to_declaration_split(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(action, window, cx)
452 .detach_and_log_err(cx);
453 });
454 register_action(editor, window, |editor, action, window, cx| {
455 editor
456 .go_to_implementation_split(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(action, window, cx)
462 .detach_and_log_err(cx);
463 });
464 register_action(editor, window, |editor, action, window, cx| {
465 editor
466 .go_to_type_definition_split(action, window, cx)
467 .detach_and_log_err(cx);
468 });
469 register_action(editor, window, Editor::open_url);
470 register_action(editor, window, Editor::open_selected_filename);
471 register_action(editor, window, Editor::fold);
472 register_action(editor, window, Editor::fold_at_level);
473 register_action(editor, window, Editor::fold_at_level_1);
474 register_action(editor, window, Editor::fold_at_level_2);
475 register_action(editor, window, Editor::fold_at_level_3);
476 register_action(editor, window, Editor::fold_at_level_4);
477 register_action(editor, window, Editor::fold_at_level_5);
478 register_action(editor, window, Editor::fold_at_level_6);
479 register_action(editor, window, Editor::fold_at_level_7);
480 register_action(editor, window, Editor::fold_at_level_8);
481 register_action(editor, window, Editor::fold_at_level_9);
482 register_action(editor, window, Editor::fold_all);
483 register_action(editor, window, Editor::fold_function_bodies);
484 register_action(editor, window, Editor::fold_recursive);
485 register_action(editor, window, Editor::toggle_fold);
486 register_action(editor, window, Editor::toggle_fold_recursive);
487 register_action(editor, window, Editor::toggle_fold_all);
488 register_action(editor, window, Editor::unfold_lines);
489 register_action(editor, window, Editor::unfold_recursive);
490 register_action(editor, window, Editor::unfold_all);
491 register_action(editor, window, Editor::fold_selected_ranges);
492 register_action(editor, window, Editor::set_mark);
493 register_action(editor, window, Editor::swap_selection_ends);
494 register_action(editor, window, Editor::show_completions);
495 register_action(editor, window, Editor::show_word_completions);
496 register_action(editor, window, Editor::toggle_code_actions);
497 register_action(editor, window, Editor::open_excerpts);
498 register_action(editor, window, Editor::open_excerpts_in_split);
499 register_action(editor, window, Editor::toggle_soft_wrap);
500 register_action(editor, window, Editor::toggle_tab_bar);
501 register_action(editor, window, Editor::toggle_line_numbers);
502 register_action(editor, window, Editor::toggle_relative_line_numbers);
503 register_action(editor, window, Editor::toggle_indent_guides);
504 register_action(editor, window, Editor::toggle_inlay_hints);
505 register_action(editor, window, Editor::toggle_code_lens_action);
506 register_action(editor, window, Editor::toggle_semantic_highlights);
507 register_action(editor, window, Editor::toggle_edit_predictions);
508 if editor.read(cx).diagnostics_enabled() {
509 register_action(editor, window, Editor::toggle_diagnostics);
510 }
511 if editor.read(cx).inline_diagnostics_enabled() {
512 register_action(editor, window, Editor::toggle_inline_diagnostics);
513 }
514 if editor.read(cx).supports_minimap(cx) {
515 register_action(editor, window, Editor::toggle_minimap);
516 }
517 register_action(editor, window, hover_popover::hover);
518 register_action(editor, window, Editor::reveal_in_finder);
519 register_action(editor, window, Editor::copy_path);
520 register_action(editor, window, Editor::copy_relative_path);
521 register_action(editor, window, Editor::copy_file_name);
522 register_action(editor, window, Editor::copy_file_name_without_extension);
523 register_action(editor, window, Editor::copy_highlight_json);
524 register_action(editor, window, Editor::copy_permalink_to_line);
525 register_action(editor, window, Editor::open_permalink_to_line);
526 register_action(editor, window, Editor::copy_file_location);
527 register_action(editor, window, Editor::toggle_git_blame);
528 register_action(editor, window, Editor::toggle_git_blame_inline);
529 register_action(editor, window, Editor::open_git_blame_commit);
530 register_action(editor, window, Editor::toggle_selected_diff_hunks);
531 register_action(editor, window, Editor::toggle_staged_selected_diff_hunks);
532 register_action(editor, window, Editor::stage_and_next);
533 register_action(editor, window, Editor::unstage_and_next);
534 register_action(editor, window, Editor::expand_all_diff_hunks);
535 register_action(editor, window, Editor::collapse_all_diff_hunks);
536 register_action(editor, window, Editor::toggle_review_comments_expanded);
537 register_action(editor, window, Editor::submit_diff_review_comment_action);
538 register_action(editor, window, Editor::edit_review_comment);
539 register_action(editor, window, Editor::delete_review_comment);
540 register_action(editor, window, Editor::confirm_edit_review_comment_action);
541 register_action(editor, window, Editor::cancel_edit_review_comment_action);
542 register_action(editor, window, Editor::go_to_previous_change);
543 register_action(editor, window, Editor::go_to_next_change);
544 register_action(editor, window, Editor::go_to_prev_reference);
545 register_action(editor, window, Editor::go_to_next_reference);
546 register_action(editor, window, Editor::go_to_previous_symbol);
547 register_action(editor, window, Editor::go_to_next_symbol);
548
549 register_action(editor, window, |editor, action, window, cx| {
550 if let Some(task) = editor.format(action, window, cx) {
551 editor.detach_and_notify_err(task, window, cx);
552 } else {
553 cx.propagate();
554 }
555 });
556 if editor.read(cx).can_format_selections(cx) {
557 register_action(editor, window, |editor, action, window, cx| {
558 if let Some(task) = editor.format_selections(action, window, cx) {
559 editor.detach_and_notify_err(task, window, cx);
560 } else {
561 cx.propagate();
562 }
563 });
564 }
565 register_action(editor, window, |editor, action, window, cx| {
566 if let Some(task) = editor.organize_imports(action, window, cx) {
567 editor.detach_and_notify_err(task, window, cx);
568 } else {
569 cx.propagate();
570 }
571 });
572 register_action(editor, window, Editor::restart_language_server);
573 register_action(editor, window, Editor::stop_language_server);
574 register_action(editor, window, Editor::show_character_palette);
575 register_action(editor, window, |editor, action, window, cx| {
576 if let Some(task) = editor.confirm_completion(action, window, cx) {
577 editor.detach_and_notify_err(task, window, cx);
578 } else {
579 cx.propagate();
580 }
581 });
582 register_action(editor, window, |editor, action, window, cx| {
583 if let Some(task) = editor.confirm_completion_replace(action, window, cx) {
584 editor.detach_and_notify_err(task, window, cx);
585 } else {
586 cx.propagate();
587 }
588 });
589 register_action(editor, window, |editor, action, window, cx| {
590 if let Some(task) = editor.confirm_completion_insert(action, window, cx) {
591 editor.detach_and_notify_err(task, window, cx);
592 } else {
593 cx.propagate();
594 }
595 });
596 register_action(editor, window, |editor, action, window, cx| {
597 if let Some(task) = editor.compose_completion(action, window, cx) {
598 editor.detach_and_notify_err(task, window, cx);
599 } else {
600 cx.propagate();
601 }
602 });
603 register_action(editor, window, |editor, action, window, cx| {
604 if let Some(task) = editor.confirm_code_action(action, window, cx) {
605 editor.detach_and_notify_err(task, window, cx);
606 } else {
607 cx.propagate();
608 }
609 });
610 register_action(editor, window, |editor, action, window, cx| {
611 if let Some(task) = editor.rename(action, window, cx) {
612 editor.detach_and_notify_err(task, window, cx);
613 } else {
614 cx.propagate();
615 }
616 });
617 register_action(editor, window, |editor, action, window, cx| {
618 if let Some(task) = editor.confirm_rename(action, window, cx) {
619 editor.detach_and_notify_err(task, window, cx);
620 } else {
621 cx.propagate();
622 }
623 });
624 register_action(editor, window, |editor, action, window, cx| {
625 if let Some(task) = editor.find_all_references(action, window, cx) {
626 task.detach_and_log_err(cx);
627 } else {
628 cx.propagate();
629 }
630 });
631 register_action(editor, window, Editor::show_signature_help);
632 register_action(editor, window, Editor::signature_help_prev);
633 register_action(editor, window, Editor::signature_help_next);
634 register_action(editor, window, Editor::show_edit_prediction);
635 register_action(editor, window, Editor::context_menu_first);
636 register_action(editor, window, Editor::context_menu_prev);
637 register_action(editor, window, Editor::context_menu_next);
638 register_action(editor, window, Editor::context_menu_last);
639 register_action(editor, window, Editor::display_cursor_names);
640 register_action(editor, window, Editor::unique_lines_case_insensitive);
641 register_action(editor, window, Editor::unique_lines_case_sensitive);
642 register_action(editor, window, Editor::accept_next_word_edit_prediction);
643 register_action(editor, window, Editor::accept_next_line_edit_prediction);
644 register_action(editor, window, Editor::accept_edit_prediction);
645 register_action(editor, window, Editor::restore_file);
646 register_action(editor, window, Editor::git_restore);
647 register_action(editor, window, Editor::restore_and_next);
648 register_action(editor, window, Editor::apply_all_diff_hunks);
649 register_action(editor, window, Editor::apply_selected_diff_hunks);
650 register_action(editor, window, Editor::open_active_item_in_terminal);
651 register_action(editor, window, Editor::reload_file);
652 register_action(editor, window, Editor::spawn_nearest_task);
653 register_action(editor, window, Editor::insert_uuid_v4);
654 register_action(editor, window, Editor::insert_uuid_v7);
655 register_action(editor, window, Editor::open_selections_in_multibuffer);
656 register_action(editor, window, Editor::toggle_bookmark);
657 register_action(editor, window, Editor::go_to_next_bookmark);
658 register_action(editor, window, Editor::go_to_previous_bookmark);
659 register_action(editor, window, Editor::toggle_breakpoint);
660 register_action(editor, window, Editor::edit_log_breakpoint);
661 register_action(editor, window, Editor::enable_breakpoint);
662 register_action(editor, window, Editor::disable_breakpoint);
663 register_action(editor, window, Editor::toggle_read_only);
664 register_action(editor, window, Editor::align_selections);
665 if editor.read(cx).enable_wrap_selections_in_tag(cx) {
666 register_action(editor, window, Editor::wrap_selections_in_tag);
667 }
668 }
669
670 fn register_key_listeners(&self, window: &mut Window, _: &mut App, layout: &EditorLayout) {
671 let position_map = layout.position_map.clone();
672 window.on_key_event({
673 let editor = self.editor.clone();
674 move |event: &ModifiersChangedEvent, phase, window, cx| {
675 if phase != DispatchPhase::Bubble {
676 return;
677 }
678 editor.update(cx, |editor, cx| {
679 let inlay_hint_settings = inlay_hint_settings(
680 editor.selections.newest_anchor().head(),
681 &editor.buffer.read(cx).snapshot(cx),
682 cx,
683 );
684
685 if let Some(inlay_modifiers) = inlay_hint_settings
686 .toggle_on_modifiers_press
687 .as_ref()
688 .filter(|modifiers| modifiers.modified())
689 {
690 editor.refresh_inlay_hints(
691 InlayHintRefreshReason::ModifiersChanged(
692 inlay_modifiers == &event.modifiers,
693 ),
694 cx,
695 );
696 }
697
698 if editor.hover_state.focused(window, cx) {
699 return;
700 }
701
702 editor.handle_modifiers_changed(event.modifiers, &position_map, window, cx);
703 })
704 }
705 });
706 }
707
708 fn mouse_left_down(
709 editor: &mut Editor,
710 event: &MouseDownEvent,
711 position_map: &PositionMap,
712 line_numbers: &HashMap<MultiBufferRow, LineNumberLayout>,
713 window: &mut Window,
714 cx: &mut Context<Editor>,
715 ) {
716 if window.default_prevented() {
717 return;
718 }
719
720 let text_hitbox = &position_map.text_hitbox;
721 let gutter_hitbox = &position_map.gutter_hitbox;
722 let point_for_position = position_map.point_for_position(event.position);
723 let mut click_count = event.click_count;
724 let mut modifiers = event.modifiers;
725
726 if let Some(hovered_hunk) =
727 position_map
728 .display_hunks
729 .iter()
730 .find_map(|(hunk, hunk_hitbox)| match hunk {
731 DisplayDiffHunk::Folded { .. } => None,
732 DisplayDiffHunk::Unfolded {
733 multi_buffer_range, ..
734 } => hunk_hitbox
735 .as_ref()
736 .is_some_and(|hitbox| hitbox.is_hovered(window))
737 .then(|| multi_buffer_range.clone()),
738 })
739 {
740 editor.toggle_single_diff_hunk(hovered_hunk, cx);
741 cx.notify();
742 return;
743 } else if gutter_hitbox.is_hovered(window) {
744 click_count = 3; // Simulate triple-click when clicking the gutter to select lines
745 } else if !text_hitbox.is_hovered(window) {
746 return;
747 }
748
749 if EditorSettings::get_global(cx)
750 .drag_and_drop_selection
751 .enabled
752 && click_count == 1
753 && !modifiers.shift
754 {
755 let newest_anchor = editor.selections.newest_anchor();
756 let snapshot = editor.snapshot(window, cx);
757 let selection = newest_anchor.map(|anchor| anchor.to_display_point(&snapshot));
758 if point_for_position.intersects_selection(&selection) {
759 editor.selection_drag_state = SelectionDragState::ReadyToDrag {
760 selection: newest_anchor.clone(),
761 click_position: event.position,
762 mouse_down_time: Instant::now(),
763 };
764 cx.stop_propagation();
765 return;
766 }
767 }
768
769 let is_singleton = editor.buffer().read(cx).is_singleton();
770
771 if click_count == 2 && !is_singleton {
772 match EditorSettings::get_global(cx).double_click_in_multibuffer {
773 DoubleClickInMultibuffer::Select => {
774 // do nothing special on double click, all selection logic is below
775 }
776 DoubleClickInMultibuffer::Open => {
777 if modifiers.alt {
778 // if double click is made with alt, pretend it's a regular double click without opening and alt,
779 // and run the selection logic.
780 modifiers.alt = false;
781 } else {
782 let scroll_position_row = position_map.scroll_position.y;
783 let display_row = (((event.position - gutter_hitbox.bounds.origin).y
784 / position_map.line_height)
785 as f64
786 + position_map.scroll_position.y)
787 as u32;
788 let multi_buffer_row = position_map
789 .snapshot
790 .display_point_to_point(
791 DisplayPoint::new(DisplayRow(display_row), 0),
792 Bias::Right,
793 )
794 .row;
795 let line_offset_from_top = display_row - scroll_position_row as u32;
796 // if double click is made without alt, open the corresponding excerp
797 editor.open_excerpts_common(
798 Some(JumpData::MultiBufferRow {
799 row: MultiBufferRow(multi_buffer_row),
800 line_offset_from_top,
801 }),
802 false,
803 window,
804 cx,
805 );
806 return;
807 }
808 }
809 }
810 }
811
812 if !is_singleton {
813 let display_row = (ScrollPixelOffset::from(
814 (event.position - gutter_hitbox.bounds.origin).y / position_map.line_height,
815 ) + position_map.scroll_position.y) as u32;
816 let multi_buffer_row = position_map
817 .snapshot
818 .display_point_to_point(DisplayPoint::new(DisplayRow(display_row), 0), Bias::Right)
819 .row;
820 if line_numbers
821 .get(&MultiBufferRow(multi_buffer_row))
822 .is_some_and(|line_layout| {
823 line_layout.segments.iter().any(|segment| {
824 segment
825 .hitbox
826 .as_ref()
827 .is_some_and(|hitbox| hitbox.contains(&event.position))
828 })
829 })
830 {
831 let line_offset_from_top = display_row - position_map.scroll_position.y as u32;
832
833 editor.open_excerpts_common(
834 Some(JumpData::MultiBufferRow {
835 row: MultiBufferRow(multi_buffer_row),
836 line_offset_from_top,
837 }),
838 modifiers.alt,
839 window,
840 cx,
841 );
842 cx.stop_propagation();
843 return;
844 }
845 }
846
847 let position = point_for_position.nearest_valid;
848 if let Some(mode) = Editor::columnar_selection_mode(&modifiers, cx) {
849 editor.select(
850 SelectPhase::BeginColumnar {
851 position,
852 reset: match mode {
853 ColumnarMode::FromMouse => true,
854 ColumnarMode::FromSelection => false,
855 },
856 mode,
857 goal_column: point_for_position.exact_unclipped.column(),
858 },
859 window,
860 cx,
861 );
862 } else if modifiers.shift && !modifiers.control && !modifiers.alt && !modifiers.secondary()
863 {
864 editor.select(
865 SelectPhase::Extend {
866 position,
867 click_count,
868 },
869 window,
870 cx,
871 );
872 } else {
873 editor.select(
874 SelectPhase::Begin {
875 position,
876 add: Editor::is_alt_pressed(&modifiers, cx),
877 click_count,
878 },
879 window,
880 cx,
881 );
882 }
883 cx.stop_propagation();
884 }
885
886 fn mouse_right_down(
887 editor: &mut Editor,
888 event: &MouseDownEvent,
889 position_map: &PositionMap,
890 window: &mut Window,
891 cx: &mut Context<Editor>,
892 ) {
893 if position_map.gutter_hitbox.is_hovered(window) {
894 let gutter_right_padding = editor.gutter_dimensions.right_padding;
895 let hitbox = &position_map.gutter_hitbox;
896
897 if event.position.x <= hitbox.bounds.right() - gutter_right_padding
898 && editor.collaboration_hub.is_none()
899 {
900 let point_for_position = position_map.point_for_position(event.position);
901 editor.set_gutter_context_menu(
902 point_for_position.nearest_valid.row(),
903 None,
904 event.position,
905 window,
906 cx,
907 );
908 }
909 return;
910 }
911
912 if !position_map.text_hitbox.is_hovered(window) {
913 return;
914 }
915
916 let point_for_position = position_map.point_for_position(event.position);
917 mouse_context_menu::deploy_context_menu(
918 editor,
919 Some(event.position),
920 point_for_position.nearest_valid,
921 window,
922 cx,
923 );
924 cx.stop_propagation();
925 }
926
927 fn mouse_middle_down(
928 editor: &mut Editor,
929 event: &MouseDownEvent,
930 position_map: &PositionMap,
931 window: &mut Window,
932 cx: &mut Context<Editor>,
933 ) {
934 if !position_map.text_hitbox.is_hovered(window) || window.default_prevented() {
935 return;
936 }
937
938 let point_for_position = position_map.point_for_position(event.position);
939 let position = point_for_position.nearest_valid;
940
941 editor.select(
942 SelectPhase::BeginColumnar {
943 position,
944 reset: true,
945 mode: ColumnarMode::FromMouse,
946 goal_column: point_for_position.exact_unclipped.column(),
947 },
948 window,
949 cx,
950 );
951 }
952
953 fn mouse_up(
954 editor: &mut Editor,
955 event: &MouseUpEvent,
956 position_map: &PositionMap,
957 window: &mut Window,
958 cx: &mut Context<Editor>,
959 ) {
960 // Handle diff review drag completion
961 if editor.diff_review_drag_state.is_some() {
962 editor.end_diff_review_drag(window, cx);
963 cx.stop_propagation();
964 return;
965 }
966
967 let text_hitbox = &position_map.text_hitbox;
968 let end_selection = editor.has_pending_selection();
969 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
970 let point_for_position = position_map.point_for_position(event.position);
971
972 match editor.selection_drag_state {
973 SelectionDragState::ReadyToDrag {
974 selection: _,
975 ref click_position,
976 mouse_down_time: _,
977 } => {
978 if event.position == *click_position {
979 editor.select(
980 SelectPhase::Begin {
981 position: point_for_position.nearest_valid,
982 add: false,
983 click_count: 1, // ready to drag state only occurs on click count 1
984 },
985 window,
986 cx,
987 );
988 editor.selection_drag_state = SelectionDragState::None;
989 cx.stop_propagation();
990 return;
991 } else {
992 debug_panic!("drag state can never be in ready state after drag")
993 }
994 }
995 SelectionDragState::Dragging { ref selection, .. } => {
996 let snapshot = editor.snapshot(window, cx);
997 let selection_display = selection.map(|anchor| anchor.to_display_point(&snapshot));
998 if !point_for_position.intersects_selection(&selection_display)
999 && text_hitbox.is_hovered(window)
1000 {
1001 let is_cut = !(cfg!(target_os = "macos") && event.modifiers.alt
1002 || cfg!(not(target_os = "macos")) && event.modifiers.control);
1003 editor.move_selection_on_drop(
1004 &selection.clone(),
1005 point_for_position.nearest_valid,
1006 is_cut,
1007 window,
1008 cx,
1009 );
1010 }
1011 editor.selection_drag_state = SelectionDragState::None;
1012 cx.stop_propagation();
1013 cx.notify();
1014 return;
1015 }
1016 _ => {}
1017 }
1018
1019 if end_selection {
1020 editor.select(SelectPhase::End, window, cx);
1021 }
1022
1023 if end_selection && pending_nonempty_selections {
1024 cx.stop_propagation();
1025 } else if cfg!(any(target_os = "linux", target_os = "freebsd"))
1026 && event.button == MouseButton::Middle
1027 {
1028 #[allow(
1029 clippy::collapsible_if,
1030 clippy::needless_return,
1031 reason = "The cfg-block below makes this a false positive"
1032 )]
1033 if !text_hitbox.is_hovered(window) || editor.read_only(cx) {
1034 return;
1035 }
1036
1037 #[cfg(any(target_os = "linux", target_os = "freebsd"))]
1038 if EditorSettings::get_global(cx).middle_click_paste {
1039 if let Some(text) = cx.read_from_primary().and_then(|item| item.text()) {
1040 let point_for_position = position_map.point_for_position(event.position);
1041 let position = point_for_position.nearest_valid;
1042
1043 editor.select(
1044 SelectPhase::Begin {
1045 position,
1046 add: false,
1047 click_count: 1,
1048 },
1049 window,
1050 cx,
1051 );
1052 editor.insert(&text, window, cx);
1053 }
1054 cx.stop_propagation()
1055 }
1056 }
1057 }
1058
1059 fn click(
1060 editor: &mut Editor,
1061 event: &ClickEvent,
1062 position_map: &PositionMap,
1063 window: &mut Window,
1064 cx: &mut Context<Editor>,
1065 ) {
1066 let text_hitbox = &position_map.text_hitbox;
1067 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
1068
1069 let hovered_link_modifier = Editor::is_cmd_or_ctrl_pressed(&event.modifiers(), cx);
1070 let mouse_down_hovered_link_modifier = if let ClickEvent::Mouse(mouse_event) = event {
1071 Editor::is_cmd_or_ctrl_pressed(&mouse_event.down.modifiers, cx)
1072 } else {
1073 true
1074 };
1075
1076 if let Some(mouse_position) = event.mouse_position()
1077 && !pending_nonempty_selections
1078 && hovered_link_modifier
1079 && mouse_down_hovered_link_modifier
1080 && text_hitbox.is_hovered(window)
1081 && !matches!(
1082 editor.selection_drag_state,
1083 SelectionDragState::Dragging { .. }
1084 )
1085 {
1086 let point = position_map.point_for_position(mouse_position);
1087 editor.handle_click_hovered_link(point, event.modifiers(), window, cx);
1088 editor.selection_drag_state = SelectionDragState::None;
1089
1090 cx.stop_propagation();
1091 }
1092 }
1093
1094 fn pressure_click(
1095 editor: &mut Editor,
1096 event: &MousePressureEvent,
1097 position_map: &PositionMap,
1098 window: &mut Window,
1099 cx: &mut Context<Editor>,
1100 ) {
1101 let text_hitbox = &position_map.text_hitbox;
1102 let force_click_possible =
1103 matches!(editor.prev_pressure_stage, Some(PressureStage::Normal))
1104 && event.stage == PressureStage::Force;
1105
1106 editor.prev_pressure_stage = Some(event.stage);
1107
1108 if force_click_possible && text_hitbox.is_hovered(window) {
1109 let point = position_map.point_for_position(event.position);
1110 editor.handle_click_hovered_link(point, event.modifiers, window, cx);
1111 editor.selection_drag_state = SelectionDragState::None;
1112 cx.stop_propagation();
1113 }
1114 }
1115
1116 fn mouse_dragged(
1117 editor: &mut Editor,
1118 event: &MouseMoveEvent,
1119 position_map: &PositionMap,
1120 window: &mut Window,
1121 cx: &mut Context<Editor>,
1122 ) {
1123 if !editor.has_pending_selection()
1124 && matches!(editor.selection_drag_state, SelectionDragState::None)
1125 {
1126 return;
1127 }
1128
1129 let point_for_position = position_map.point_for_position(event.position);
1130 let text_hitbox = &position_map.text_hitbox;
1131
1132 let scroll_delta = {
1133 let text_bounds = text_hitbox.bounds;
1134 let mut scroll_delta = gpui::Point::<f32>::default();
1135 let vertical_margin = position_map.line_height.min(text_bounds.size.height / 3.0);
1136 let top = text_bounds.origin.y + vertical_margin;
1137 let bottom = text_bounds.bottom_left().y - vertical_margin;
1138 if event.position.y < top {
1139 scroll_delta.y = -scale_vertical_mouse_autoscroll_delta(top - event.position.y);
1140 }
1141 if event.position.y > bottom {
1142 scroll_delta.y = scale_vertical_mouse_autoscroll_delta(event.position.y - bottom);
1143 }
1144
1145 // We need horizontal width of text
1146 let style = editor.style.clone().unwrap_or_default();
1147 let font_id = window.text_system().resolve_font(&style.text.font());
1148 let font_size = style.text.font_size.to_pixels(window.rem_size());
1149 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
1150
1151 let scroll_margin_x = EditorSettings::get_global(cx).horizontal_scroll_margin;
1152
1153 let scroll_space: Pixels = scroll_margin_x * em_width;
1154
1155 let left = text_bounds.origin.x + scroll_space;
1156 let right = text_bounds.top_right().x - scroll_space;
1157
1158 if event.position.x < left {
1159 scroll_delta.x = -scale_horizontal_mouse_autoscroll_delta(left - event.position.x);
1160 }
1161 if event.position.x > right {
1162 scroll_delta.x = scale_horizontal_mouse_autoscroll_delta(event.position.x - right);
1163 }
1164 scroll_delta
1165 };
1166
1167 if !editor.has_pending_selection() {
1168 let drop_anchor = position_map
1169 .snapshot
1170 .display_point_to_anchor(point_for_position.nearest_valid, Bias::Left);
1171 match editor.selection_drag_state {
1172 SelectionDragState::Dragging {
1173 ref mut drop_cursor,
1174 ref mut hide_drop_cursor,
1175 ..
1176 } => {
1177 drop_cursor.start = drop_anchor;
1178 drop_cursor.end = drop_anchor;
1179 *hide_drop_cursor = !text_hitbox.is_hovered(window);
1180 editor.apply_scroll_delta(scroll_delta, window, cx);
1181 cx.notify();
1182 }
1183 SelectionDragState::ReadyToDrag {
1184 ref selection,
1185 ref click_position,
1186 ref mouse_down_time,
1187 } => {
1188 let drag_and_drop_delay = Duration::from_millis(
1189 EditorSettings::get_global(cx)
1190 .drag_and_drop_selection
1191 .delay
1192 .0,
1193 );
1194 if mouse_down_time.elapsed() >= drag_and_drop_delay {
1195 let drop_cursor = Selection {
1196 id: post_inc(&mut editor.selections.next_selection_id()),
1197 start: drop_anchor,
1198 end: drop_anchor,
1199 reversed: false,
1200 goal: SelectionGoal::None,
1201 };
1202 editor.selection_drag_state = SelectionDragState::Dragging {
1203 selection: selection.clone(),
1204 drop_cursor,
1205 hide_drop_cursor: false,
1206 };
1207 editor.apply_scroll_delta(scroll_delta, window, cx);
1208 cx.notify();
1209 } else {
1210 let click_point = position_map.point_for_position(*click_position);
1211 editor.selection_drag_state = SelectionDragState::None;
1212 editor.select(
1213 SelectPhase::Begin {
1214 position: click_point.nearest_valid,
1215 add: false,
1216 click_count: 1,
1217 },
1218 window,
1219 cx,
1220 );
1221 editor.select(
1222 SelectPhase::Update {
1223 position: point_for_position.nearest_valid,
1224 goal_column: point_for_position.exact_unclipped.column(),
1225 scroll_delta,
1226 },
1227 window,
1228 cx,
1229 );
1230 }
1231 }
1232 _ => {}
1233 }
1234 } else {
1235 editor.select(
1236 SelectPhase::Update {
1237 position: point_for_position.nearest_valid,
1238 goal_column: point_for_position.exact_unclipped.column(),
1239 scroll_delta,
1240 },
1241 window,
1242 cx,
1243 );
1244 }
1245 }
1246
1247 pub(crate) fn mouse_moved(
1248 editor: &mut Editor,
1249 event: &MouseMoveEvent,
1250 position_map: &PositionMap,
1251 split_side: Option<SplitSide>,
1252 window: &mut Window,
1253 cx: &mut Context<Editor>,
1254 ) {
1255 let text_hitbox = &position_map.text_hitbox;
1256 let gutter_hitbox = &position_map.gutter_hitbox;
1257 let modifiers = event.modifiers;
1258 let text_hovered = text_hitbox.is_hovered(window);
1259 let gutter_hovered = gutter_hitbox.is_hovered(window);
1260 editor.set_gutter_hovered(gutter_hovered, cx);
1261 editor.show_mouse_cursor(cx);
1262
1263 let point_for_position = position_map.point_for_position(event.position);
1264 let valid_point = point_for_position.nearest_valid;
1265
1266 // Update diff review drag state if we're dragging
1267 if editor.diff_review_drag_state.is_some() {
1268 editor.update_diff_review_drag(valid_point.row(), window, cx);
1269 }
1270
1271 let hovered_diff_control = position_map
1272 .diff_hunk_control_bounds
1273 .iter()
1274 .find(|(_, bounds)| bounds.contains(&event.position))
1275 .map(|(row, _)| *row);
1276
1277 let hovered_diff_hunk_row = if let Some(control_row) = hovered_diff_control {
1278 Some(control_row)
1279 } else if text_hovered {
1280 let current_row = valid_point.row();
1281 position_map.display_hunks.iter().find_map(|(hunk, _)| {
1282 if let DisplayDiffHunk::Unfolded {
1283 display_row_range, ..
1284 } = hunk
1285 {
1286 if display_row_range.contains(¤t_row) {
1287 Some(display_row_range.start)
1288 } else {
1289 None
1290 }
1291 } else {
1292 None
1293 }
1294 })
1295 } else {
1296 None
1297 };
1298
1299 if hovered_diff_hunk_row != editor.hovered_diff_hunk_row {
1300 editor.hovered_diff_hunk_row = hovered_diff_hunk_row;
1301 cx.notify();
1302 }
1303
1304 if text_hovered
1305 && let Some((bounds, buffer_id, blame_entry)) = &position_map.inline_blame_bounds
1306 {
1307 let mouse_over_inline_blame = bounds.contains(&event.position);
1308 let mouse_over_popover = editor
1309 .inline_blame_popover
1310 .as_ref()
1311 .and_then(|state| state.popover_bounds)
1312 .is_some_and(|bounds| bounds.contains(&event.position));
1313 let keyboard_grace = editor
1314 .inline_blame_popover
1315 .as_ref()
1316 .is_some_and(|state| state.keyboard_grace);
1317
1318 if mouse_over_inline_blame || mouse_over_popover {
1319 editor.show_blame_popover(*buffer_id, blame_entry, event.position, false, cx);
1320 } else if !keyboard_grace {
1321 editor.hide_blame_popover(false, cx);
1322 }
1323 } else {
1324 let keyboard_grace = editor
1325 .inline_blame_popover
1326 .as_ref()
1327 .is_some_and(|state| state.keyboard_grace);
1328 if !keyboard_grace {
1329 editor.hide_blame_popover(false, cx);
1330 }
1331 }
1332
1333 // Handle diff review indicator when gutter is hovered in diff mode with AI enabled
1334 let show_diff_review = editor.show_diff_review_button()
1335 && cx.has_flag::<DiffReviewFeatureFlag>()
1336 && !DisableAiSettings::is_ai_disabled_for_buffer(
1337 editor.buffer.read(cx).as_singleton().as_ref(),
1338 cx,
1339 );
1340
1341 let diff_review_indicator = if gutter_hovered && show_diff_review {
1342 let is_visible = editor
1343 .gutter_diff_review_indicator
1344 .0
1345 .is_some_and(|indicator| indicator.is_active);
1346
1347 if !is_visible {
1348 editor
1349 .gutter_diff_review_indicator
1350 .1
1351 .get_or_insert_with(|| {
1352 cx.spawn(async move |this, cx| {
1353 cx.background_executor()
1354 .timer(Duration::from_millis(200))
1355 .await;
1356
1357 this.update(cx, |this, cx| {
1358 if let Some(indicator) =
1359 this.gutter_diff_review_indicator.0.as_mut()
1360 {
1361 indicator.is_active = true;
1362 cx.notify();
1363 }
1364 })
1365 .ok();
1366 })
1367 });
1368 }
1369
1370 let anchor = position_map
1371 .snapshot
1372 .display_point_to_anchor(valid_point, Bias::Left);
1373 Some(PhantomDiffReviewIndicator {
1374 start: anchor,
1375 end: anchor,
1376 is_active: is_visible,
1377 })
1378 } else {
1379 editor.gutter_diff_review_indicator.1 = None;
1380 None
1381 };
1382
1383 if diff_review_indicator != editor.gutter_diff_review_indicator.0 {
1384 editor.gutter_diff_review_indicator.0 = diff_review_indicator;
1385 cx.notify();
1386 }
1387
1388 // Don't show breakpoint indicator when diff review indicator is active on this row
1389 let is_on_diff_review_button_row = diff_review_indicator.is_some_and(|indicator| {
1390 let start_row = indicator
1391 .start
1392 .to_display_point(&position_map.snapshot.display_snapshot)
1393 .row();
1394 indicator.is_active && start_row == valid_point.row()
1395 });
1396
1397 let breakpoint_indicator = if gutter_hovered
1398 && !is_on_diff_review_button_row
1399 && split_side != Some(SplitSide::Left)
1400 {
1401 let buffer_anchor = position_map
1402 .snapshot
1403 .display_point_to_anchor(valid_point, Bias::Left);
1404
1405 if position_map
1406 .snapshot
1407 .buffer_snapshot()
1408 .anchor_to_buffer_anchor(buffer_anchor)
1409 .is_some()
1410 {
1411 let is_visible = editor
1412 .gutter_hover_button
1413 .0
1414 .is_some_and(|indicator| indicator.is_active);
1415
1416 if !is_visible {
1417 editor.gutter_hover_button.1.get_or_insert_with(|| {
1418 cx.spawn(async move |this, cx| {
1419 cx.background_executor()
1420 .timer(Duration::from_millis(200))
1421 .await;
1422
1423 this.update(cx, |this, cx| {
1424 if let Some(indicator) = this.gutter_hover_button.0.as_mut() {
1425 indicator.is_active = true;
1426 cx.notify();
1427 }
1428 })
1429 .ok();
1430 })
1431 });
1432 }
1433
1434 Some(GutterHoverButton {
1435 display_row: valid_point.row(),
1436 is_active: is_visible,
1437 })
1438 } else {
1439 editor.gutter_hover_button.1 = None;
1440 None
1441 }
1442 } else {
1443 editor.gutter_hover_button.1 = None;
1444 None
1445 };
1446
1447 if &breakpoint_indicator != &editor.gutter_hover_button.0 {
1448 editor.gutter_hover_button.0 = breakpoint_indicator;
1449 cx.notify();
1450 }
1451
1452 // Don't trigger hover popover if mouse is hovering over context menu
1453 if text_hovered {
1454 editor.update_hovered_link(
1455 point_for_position,
1456 Some(event.position),
1457 &position_map.snapshot,
1458 modifiers,
1459 window,
1460 cx,
1461 );
1462
1463 if let Some(point) = point_for_position.as_valid() {
1464 let anchor = position_map
1465 .snapshot
1466 .buffer_snapshot()
1467 .anchor_before(point.to_offset(&position_map.snapshot, Bias::Left));
1468 hover_at(editor, Some(anchor), Some(event.position), window, cx);
1469 Self::update_visible_cursor(editor, point, position_map, window, cx);
1470 } else {
1471 editor.update_inlay_link_and_hover_points(
1472 &position_map.snapshot,
1473 point_for_position,
1474 Some(event.position),
1475 modifiers.secondary(),
1476 modifiers.shift,
1477 window,
1478 cx,
1479 );
1480 }
1481 } else {
1482 editor.hide_hovered_link(cx);
1483 hover_at(editor, None, Some(event.position), window, cx);
1484 }
1485 }
1486
1487 fn update_visible_cursor(
1488 editor: &mut Editor,
1489 point: DisplayPoint,
1490 position_map: &PositionMap,
1491 window: &mut Window,
1492 cx: &mut Context<Editor>,
1493 ) {
1494 let snapshot = &position_map.snapshot;
1495 let Some(hub) = editor.collaboration_hub() else {
1496 return;
1497 };
1498 let start = snapshot.display_snapshot.clip_point(
1499 DisplayPoint::new(point.row(), point.column().saturating_sub(1)),
1500 Bias::Left,
1501 );
1502 let end = snapshot.display_snapshot.clip_point(
1503 DisplayPoint::new(
1504 point.row(),
1505 (point.column() + 1).min(snapshot.line_len(point.row())),
1506 ),
1507 Bias::Right,
1508 );
1509
1510 let range = snapshot
1511 .buffer_snapshot()
1512 .anchor_before(start.to_point(&snapshot.display_snapshot))
1513 ..snapshot
1514 .buffer_snapshot()
1515 .anchor_after(end.to_point(&snapshot.display_snapshot));
1516
1517 let Some(selection) = snapshot.remote_selections_in_range(&range, hub, cx).next() else {
1518 return;
1519 };
1520 let key = crate::HoveredCursor {
1521 replica_id: selection.replica_id,
1522 selection_id: selection.selection.id,
1523 };
1524 editor.hovered_cursors.insert(
1525 key.clone(),
1526 cx.spawn_in(window, async move |editor, cx| {
1527 cx.background_executor().timer(CURSORS_VISIBLE_FOR).await;
1528 editor
1529 .update(cx, |editor, cx| {
1530 editor.hovered_cursors.remove(&key);
1531 cx.notify();
1532 })
1533 .ok();
1534 }),
1535 );
1536 cx.notify()
1537 }
1538
1539 fn layout_selections(
1540 &self,
1541 start_anchor: Anchor,
1542 end_anchor: Anchor,
1543 local_selections: &[Selection<Point>],
1544 snapshot: &EditorSnapshot,
1545 start_row: DisplayRow,
1546 end_row: DisplayRow,
1547 window: &mut Window,
1548 cx: &mut App,
1549 ) -> (
1550 Vec<(PlayerColor, Vec<SelectionLayout>)>,
1551 BTreeMap<DisplayRow, LineHighlightSpec>,
1552 Option<DisplayPoint>,
1553 ) {
1554 let mut selections: Vec<(PlayerColor, Vec<SelectionLayout>)> = Vec::new();
1555 let mut active_rows = BTreeMap::new();
1556 let mut newest_selection_head = None;
1557
1558 let Some(editor_with_selections) = self.editor_with_selections(cx) else {
1559 return (selections, active_rows, newest_selection_head);
1560 };
1561
1562 editor_with_selections.update(cx, |editor, cx| {
1563 if editor.show_local_selections {
1564 let mut layouts = Vec::new();
1565 let newest = editor.selections.newest(&editor.display_snapshot(cx));
1566 for selection in local_selections.iter().cloned() {
1567 let is_empty = selection.start == selection.end;
1568 let is_newest = selection == newest;
1569
1570 let layout = SelectionLayout::new(
1571 selection,
1572 editor.selections.line_mode(),
1573 editor.cursor_offset_on_selection,
1574 editor.cursor_shape,
1575 &snapshot.display_snapshot,
1576 is_newest,
1577 editor.leader_id.is_none(),
1578 None,
1579 );
1580 if is_newest {
1581 newest_selection_head = Some(layout.head);
1582 }
1583
1584 for row in cmp::max(layout.active_rows.start.0, start_row.0)
1585 ..=cmp::min(layout.active_rows.end.0, end_row.0)
1586 {
1587 let contains_non_empty_selection = active_rows
1588 .entry(DisplayRow(row))
1589 .or_insert_with(LineHighlightSpec::default);
1590 contains_non_empty_selection.selection |= !is_empty;
1591 }
1592 layouts.push(layout);
1593 }
1594
1595 let mut player = editor.current_user_player_color(cx);
1596 if !editor.is_focused(window) {
1597 const UNFOCUS_EDITOR_SELECTION_OPACITY: f32 = 0.5;
1598 player.selection = player.selection.opacity(UNFOCUS_EDITOR_SELECTION_OPACITY);
1599 }
1600 selections.push((player, layouts));
1601
1602 if let SelectionDragState::Dragging {
1603 ref selection,
1604 ref drop_cursor,
1605 ref hide_drop_cursor,
1606 } = editor.selection_drag_state
1607 && !hide_drop_cursor
1608 && (drop_cursor
1609 .start
1610 .cmp(&selection.start, &snapshot.buffer_snapshot())
1611 .eq(&Ordering::Less)
1612 || drop_cursor
1613 .end
1614 .cmp(&selection.end, &snapshot.buffer_snapshot())
1615 .eq(&Ordering::Greater))
1616 {
1617 let drag_cursor_layout = SelectionLayout::new(
1618 drop_cursor.clone(),
1619 false,
1620 editor.cursor_offset_on_selection,
1621 CursorShape::Bar,
1622 &snapshot.display_snapshot,
1623 false,
1624 false,
1625 None,
1626 );
1627 let absent_color = cx.theme().players().absent();
1628 selections.push((absent_color, vec![drag_cursor_layout]));
1629 }
1630 }
1631
1632 if let Some(collaboration_hub) = &editor.collaboration_hub {
1633 // When following someone, render the local selections in their color.
1634 if let Some(leader_id) = editor.leader_id {
1635 match leader_id {
1636 CollaboratorId::PeerId(peer_id) => {
1637 if let Some(collaborator) =
1638 collaboration_hub.collaborators(cx).get(&peer_id)
1639 && let Some(participant_index) = collaboration_hub
1640 .user_participant_indices(cx)
1641 .get(&collaborator.user_id)
1642 && let Some((local_selection_style, _)) = selections.first_mut()
1643 {
1644 *local_selection_style = cx
1645 .theme()
1646 .players()
1647 .color_for_participant(participant_index.0);
1648 }
1649 }
1650 CollaboratorId::Agent => {
1651 if let Some((local_selection_style, _)) = selections.first_mut() {
1652 *local_selection_style = cx.theme().players().agent();
1653 }
1654 }
1655 }
1656 }
1657
1658 let mut remote_selections = HashMap::default();
1659 for selection in snapshot.remote_selections_in_range(
1660 &(start_anchor..end_anchor),
1661 collaboration_hub.as_ref(),
1662 cx,
1663 ) {
1664 // Don't re-render the leader's selections, since the local selections
1665 // match theirs.
1666 if Some(selection.collaborator_id) == editor.leader_id {
1667 continue;
1668 }
1669 let key = HoveredCursor {
1670 replica_id: selection.replica_id,
1671 selection_id: selection.selection.id,
1672 };
1673
1674 let is_shown =
1675 editor.show_cursor_names || editor.hovered_cursors.contains_key(&key);
1676
1677 remote_selections
1678 .entry(selection.replica_id)
1679 .or_insert((selection.color, Vec::new()))
1680 .1
1681 .push(SelectionLayout::new(
1682 selection.selection,
1683 selection.line_mode,
1684 editor.cursor_offset_on_selection,
1685 selection.cursor_shape,
1686 &snapshot.display_snapshot,
1687 false,
1688 false,
1689 if is_shown { selection.user_name } else { None },
1690 ));
1691 }
1692
1693 selections.extend(remote_selections.into_values());
1694 } else if !editor.is_focused(window) && editor.show_cursor_when_unfocused {
1695 let cursor_offset_on_selection = editor.cursor_offset_on_selection;
1696
1697 let layouts = snapshot
1698 .buffer_snapshot()
1699 .selections_in_range(&(start_anchor..end_anchor), true)
1700 .map(move |(_, line_mode, cursor_shape, selection)| {
1701 SelectionLayout::new(
1702 selection,
1703 line_mode,
1704 cursor_offset_on_selection,
1705 cursor_shape,
1706 &snapshot.display_snapshot,
1707 false,
1708 false,
1709 None,
1710 )
1711 })
1712 .collect::<Vec<_>>();
1713 let player = editor.current_user_player_color(cx);
1714 selections.push((player, layouts));
1715 }
1716 });
1717
1718 #[cfg(debug_assertions)]
1719 Self::layout_debug_ranges(
1720 &mut selections,
1721 start_anchor..end_anchor,
1722 &snapshot.display_snapshot,
1723 cx,
1724 );
1725
1726 (selections, active_rows, newest_selection_head)
1727 }
1728
1729 fn collect_cursors(
1730 &self,
1731 snapshot: &EditorSnapshot,
1732 cx: &mut App,
1733 ) -> Vec<(DisplayPoint, Hsla)> {
1734 let editor = self.editor.read(cx);
1735 let mut cursors = Vec::new();
1736 let mut skip_local = false;
1737 let mut add_cursor = |anchor: Anchor, color| {
1738 cursors.push((anchor.to_display_point(&snapshot.display_snapshot), color));
1739 };
1740 // Remote cursors
1741 if let Some(collaboration_hub) = &editor.collaboration_hub {
1742 for remote_selection in snapshot.remote_selections_in_range(
1743 &(Anchor::Min..Anchor::Max),
1744 collaboration_hub.deref(),
1745 cx,
1746 ) {
1747 add_cursor(
1748 remote_selection.selection.head(),
1749 remote_selection.color.cursor,
1750 );
1751 if Some(remote_selection.collaborator_id) == editor.leader_id {
1752 skip_local = true;
1753 }
1754 }
1755 }
1756 // Local cursors
1757 if !skip_local {
1758 let color = cx.theme().players().local().cursor;
1759 editor
1760 .selections
1761 .disjoint_anchors()
1762 .iter()
1763 .for_each(|selection| {
1764 add_cursor(selection.head(), color);
1765 });
1766 if let Some(ref selection) = editor.selections.pending_anchor() {
1767 add_cursor(selection.head(), color);
1768 }
1769 }
1770 cursors
1771 }
1772
1773 fn layout_visible_cursors(
1774 &self,
1775 snapshot: &EditorSnapshot,
1776 selections: &[(PlayerColor, Vec<SelectionLayout>)],
1777 row_block_types: &HashMap<DisplayRow, bool>,
1778 visible_display_row_range: Range<DisplayRow>,
1779 line_layouts: &[LineWithInvisibles],
1780 text_hitbox: &Hitbox,
1781 content_origin: gpui::Point<Pixels>,
1782 scroll_position: gpui::Point<ScrollOffset>,
1783 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
1784 line_height: Pixels,
1785 em_width: Pixels,
1786 em_advance: Pixels,
1787 autoscroll_containing_element: bool,
1788 redacted_ranges: &[Range<DisplayPoint>],
1789 window: &mut Window,
1790 cx: &mut App,
1791 ) -> Vec<CursorLayout> {
1792 let mut autoscroll_bounds = None;
1793 let cursor_layouts = self.editor.update(cx, |editor, cx| {
1794 let mut cursors = Vec::new();
1795
1796 let show_local_cursors = editor.show_local_cursors(window, cx);
1797
1798 for (player_color, selections) in selections {
1799 for selection in selections {
1800 let cursor_position = selection.head;
1801
1802 let in_range = visible_display_row_range.contains(&cursor_position.row());
1803 if (selection.is_local && !show_local_cursors)
1804 || !in_range
1805 || row_block_types.get(&cursor_position.row()) == Some(&true)
1806 {
1807 continue;
1808 }
1809
1810 let cursor_row_layout = &line_layouts
1811 [cursor_position.row().minus(visible_display_row_range.start) as usize];
1812 let cursor_column = cursor_position.column() as usize;
1813
1814 let cursor_character_x = cursor_row_layout.x_for_index(cursor_column)
1815 + cursor_row_layout
1816 .alignment_offset(self.style.text.text_align, text_hitbox.size.width);
1817 let cursor_next_x = cursor_row_layout.x_for_index(cursor_column + 1)
1818 + cursor_row_layout
1819 .alignment_offset(self.style.text.text_align, text_hitbox.size.width);
1820 let mut cell_width = cursor_next_x - cursor_character_x;
1821 if cell_width == Pixels::ZERO {
1822 cell_width = em_advance;
1823 }
1824
1825 let mut block_width = cell_width;
1826 let mut block_text = None;
1827
1828 let is_cursor_in_redacted_range = redacted_ranges
1829 .iter()
1830 .any(|range| range.start <= cursor_position && cursor_position < range.end);
1831
1832 if selection.cursor_shape == CursorShape::Block && !is_cursor_in_redacted_range
1833 {
1834 if let Some(text) = snapshot.grapheme_at(cursor_position).or_else(|| {
1835 if snapshot.is_empty() {
1836 snapshot.placeholder_text().and_then(|s| {
1837 s.graphemes(true).next().map(|s| s.to_string().into())
1838 })
1839 } else {
1840 None
1841 }
1842 }) {
1843 let is_ascii_whitespace_only =
1844 text.as_ref().chars().all(|c| c.is_ascii_whitespace());
1845 let len = text.len();
1846
1847 let mut font = cursor_row_layout
1848 .font_id_for_index(cursor_column)
1849 .and_then(|cursor_font_id| {
1850 window.text_system().get_font_for_id(cursor_font_id)
1851 })
1852 .unwrap_or(self.style.text.font());
1853 font.features = self.style.text.font_features.clone();
1854
1855 // Invert the text color for the block cursor. Ensure that the text
1856 // color is opaque enough to be visible against the background color.
1857 //
1858 // 0.75 is an arbitrary threshold to determine if the background color is
1859 // opaque enough to use as a text color.
1860 //
1861 // TODO: In the future we should ensure themes have a `text_inverse` color.
1862 let color = if cx.theme().colors().editor_background.a < 0.75 {
1863 match cx.theme().appearance {
1864 Appearance::Dark => Hsla::black(),
1865 Appearance::Light => Hsla::white(),
1866 }
1867 } else {
1868 cx.theme().colors().editor_background
1869 };
1870
1871 let shaped = window.text_system().shape_line(
1872 text,
1873 cursor_row_layout.font_size,
1874 &[TextRun {
1875 len,
1876 font,
1877 color,
1878 ..Default::default()
1879 }],
1880 None,
1881 );
1882 if !is_ascii_whitespace_only {
1883 block_width = block_width.max(shaped.width);
1884 }
1885 block_text = Some(shaped);
1886 }
1887 }
1888
1889 let x = cursor_character_x - scroll_pixel_position.x.into();
1890 let y = ((cursor_position.row().as_f64() - scroll_position.y)
1891 * ScrollPixelOffset::from(line_height))
1892 .into();
1893 if selection.is_newest {
1894 editor.pixel_position_of_newest_cursor = Some(point(
1895 text_hitbox.origin.x + x + block_width / 2.,
1896 text_hitbox.origin.y + y + line_height / 2.,
1897 ));
1898
1899 if autoscroll_containing_element {
1900 let top = text_hitbox.origin.y
1901 + ((cursor_position.row().as_f64() - scroll_position.y - 3.)
1902 .max(0.)
1903 * ScrollPixelOffset::from(line_height))
1904 .into();
1905 let left = text_hitbox.origin.x
1906 + ((cursor_position.column() as ScrollOffset
1907 - scroll_position.x
1908 - 3.)
1909 .max(0.)
1910 * ScrollPixelOffset::from(em_width))
1911 .into();
1912
1913 let bottom = text_hitbox.origin.y
1914 + ((cursor_position.row().as_f64() - scroll_position.y + 4.)
1915 * ScrollPixelOffset::from(line_height))
1916 .into();
1917 let right = text_hitbox.origin.x
1918 + ((cursor_position.column() as ScrollOffset - scroll_position.x
1919 + 4.)
1920 * ScrollPixelOffset::from(em_width))
1921 .into();
1922
1923 autoscroll_bounds =
1924 Some(Bounds::from_corners(point(left, top), point(right, bottom)))
1925 }
1926 }
1927
1928 let mut cursor = CursorLayout {
1929 color: player_color.cursor,
1930 block_width,
1931 origin: point(x, y),
1932 line_height,
1933 shape: selection.cursor_shape,
1934 block_text,
1935 cursor_name: None,
1936 };
1937 let cursor_name = selection.user_name.clone().map(|name| CursorName {
1938 string: name,
1939 color: self.style.background,
1940 is_top_row: cursor_position.row().0 == 0,
1941 });
1942 cursor.layout(content_origin, cursor_name, window, cx);
1943 cursors.push(cursor);
1944 }
1945 }
1946
1947 cursors
1948 });
1949
1950 if let Some(bounds) = autoscroll_bounds {
1951 window.request_autoscroll(bounds);
1952 }
1953
1954 cursor_layouts
1955 }
1956
1957 fn layout_scrollbars(
1958 &self,
1959 snapshot: &EditorSnapshot,
1960 scrollbar_layout_information: &ScrollbarLayoutInformation,
1961 content_offset: gpui::Point<Pixels>,
1962 scroll_position: gpui::Point<ScrollOffset>,
1963 non_visible_cursors: bool,
1964 right_margin: Pixels,
1965 editor_width: Pixels,
1966 window: &mut Window,
1967 cx: &mut App,
1968 ) -> Option<EditorScrollbars> {
1969 let show_scrollbars = self.editor.read(cx).show_scrollbars;
1970 if (!show_scrollbars.horizontal && !show_scrollbars.vertical)
1971 || self.style.scrollbar_width.is_zero()
1972 {
1973 return None;
1974 }
1975
1976 // If a drag took place after we started dragging the scrollbar,
1977 // cancel the scrollbar drag.
1978 if cx.has_active_drag() {
1979 self.editor.update(cx, |editor, cx| {
1980 editor.scroll_manager.reset_scrollbar_state(cx)
1981 });
1982 }
1983
1984 let editor_settings = EditorSettings::get_global(cx);
1985 let scrollbar_settings = editor_settings.scrollbar;
1986 let show_scrollbars = match scrollbar_settings.show {
1987 ShowScrollbar::Auto => {
1988 let editor = self.editor.read(cx);
1989 let is_singleton = editor.buffer_kind(cx) == ItemBufferKind::Singleton;
1990 // Git
1991 (is_singleton && scrollbar_settings.git_diff && snapshot.buffer_snapshot().has_diff_hunks())
1992 ||
1993 // Buffer Search Results
1994 (is_singleton && scrollbar_settings.search_results && editor.has_background_highlights(HighlightKey::BufferSearchHighlights))
1995 ||
1996 // Selected Text Occurrences
1997 (is_singleton && scrollbar_settings.selected_text && editor.has_background_highlights(HighlightKey::SelectedTextHighlight))
1998 ||
1999 // Selected Symbol Occurrences
2000 (is_singleton && scrollbar_settings.selected_symbol && (editor.has_background_highlights(HighlightKey::DocumentHighlightRead) || editor.has_background_highlights(HighlightKey::DocumentHighlightWrite)))
2001 ||
2002 // Diagnostics
2003 (is_singleton && scrollbar_settings.diagnostics != ScrollbarDiagnostics::None && snapshot.buffer_snapshot().has_diagnostics())
2004 ||
2005 // Cursors out of sight
2006 non_visible_cursors
2007 ||
2008 // Scrollmanager
2009 editor.scroll_manager.scrollbars_visible()
2010 }
2011 ShowScrollbar::System => self.editor.read(cx).scroll_manager.scrollbars_visible(),
2012 ShowScrollbar::Always => true,
2013 ShowScrollbar::Never => return None,
2014 };
2015
2016 // The horizontal scrollbar is usually slightly offset to align nicely with
2017 // indent guides. However, this offset is not needed if indent guides are
2018 // disabled for the current editor.
2019 let content_offset = self
2020 .editor
2021 .read(cx)
2022 .show_indent_guides
2023 .is_none_or(|should_show| should_show)
2024 .then_some(content_offset)
2025 .unwrap_or_default();
2026
2027 Some(EditorScrollbars::from_scrollbar_axes(
2028 ScrollbarAxes {
2029 horizontal: scrollbar_settings.axes.horizontal
2030 && self.editor.read(cx).show_scrollbars.horizontal,
2031 vertical: scrollbar_settings.axes.vertical
2032 && self.editor.read(cx).show_scrollbars.vertical,
2033 },
2034 scrollbar_layout_information,
2035 content_offset,
2036 scroll_position,
2037 self.style.scrollbar_width,
2038 right_margin,
2039 editor_width,
2040 show_scrollbars,
2041 self.editor.read(cx).scroll_manager.active_scrollbar_state(),
2042 window,
2043 ))
2044 }
2045
2046 fn layout_minimap(
2047 &self,
2048 snapshot: &EditorSnapshot,
2049 minimap_width: Pixels,
2050 scroll_position: gpui::Point<f64>,
2051 scrollbar_layout_information: &ScrollbarLayoutInformation,
2052 scrollbar_layout: Option<&EditorScrollbars>,
2053 window: &mut Window,
2054 cx: &mut App,
2055 ) -> Option<MinimapLayout> {
2056 let minimap_editor = self.editor.read(cx).minimap().cloned()?;
2057
2058 let minimap_settings = EditorSettings::get_global(cx).minimap;
2059
2060 if minimap_settings.on_active_editor() {
2061 let active_editor = self.editor.read(cx).workspace().and_then(|ws| {
2062 ws.read(cx)
2063 .active_pane()
2064 .read(cx)
2065 .active_item()
2066 .and_then(|i| i.act_as::<Editor>(cx))
2067 });
2068 if active_editor.is_some_and(|e| e != self.editor) {
2069 return None;
2070 }
2071 }
2072
2073 if !snapshot.mode.is_full()
2074 || minimap_width.is_zero()
2075 || matches!(
2076 minimap_settings.show,
2077 ShowMinimap::Auto if scrollbar_layout.is_none_or(|layout| !layout.visible)
2078 )
2079 {
2080 return None;
2081 }
2082
2083 const MINIMAP_AXIS: ScrollbarAxis = ScrollbarAxis::Vertical;
2084
2085 let ScrollbarLayoutInformation {
2086 editor_bounds,
2087 scroll_range,
2088 glyph_grid_cell,
2089 } = scrollbar_layout_information;
2090
2091 let line_height = glyph_grid_cell.height;
2092 let scroll_position = scroll_position.along(MINIMAP_AXIS);
2093
2094 let top_right_anchor = scrollbar_layout
2095 .and_then(|layout| layout.vertical.as_ref())
2096 .map(|vertical_scrollbar| vertical_scrollbar.hitbox.origin)
2097 .unwrap_or_else(|| editor_bounds.top_right());
2098
2099 let thumb_state = self
2100 .editor
2101 .read_with(cx, |editor, _| editor.scroll_manager.minimap_thumb_state());
2102
2103 let show_thumb = match minimap_settings.thumb {
2104 MinimapThumb::Always => true,
2105 MinimapThumb::Hover => thumb_state.is_some(),
2106 };
2107
2108 let minimap_bounds = Bounds::from_anchor_and_size(
2109 gpui::Anchor::TopRight,
2110 top_right_anchor,
2111 size(minimap_width, editor_bounds.size.height),
2112 );
2113 let minimap_line_height = self.get_minimap_line_height(
2114 minimap_editor
2115 .read(cx)
2116 .text_style_refinement
2117 .as_ref()
2118 .and_then(|refinement| refinement.font_size)
2119 .unwrap_or(MINIMAP_FONT_SIZE),
2120 window,
2121 cx,
2122 );
2123 let minimap_height = minimap_bounds.size.height;
2124
2125 let visible_editor_lines = (editor_bounds.size.height / line_height) as f64;
2126 let total_editor_lines = (scroll_range.height / line_height) as f64;
2127 let minimap_lines = (minimap_height / minimap_line_height) as f64;
2128
2129 let minimap_scroll_top = MinimapLayout::calculate_minimap_top_offset(
2130 total_editor_lines,
2131 visible_editor_lines,
2132 minimap_lines,
2133 scroll_position,
2134 );
2135
2136 let layout = ScrollbarLayout::for_minimap(
2137 window.insert_hitbox(minimap_bounds, HitboxBehavior::Normal),
2138 visible_editor_lines,
2139 total_editor_lines,
2140 minimap_line_height,
2141 scroll_position,
2142 minimap_scroll_top,
2143 show_thumb,
2144 )
2145 .with_thumb_state(thumb_state);
2146
2147 minimap_editor.update(cx, |editor, cx| {
2148 editor.set_scroll_position(point(0., minimap_scroll_top), window, cx)
2149 });
2150
2151 // Required for the drop shadow to be visible
2152 const PADDING_OFFSET: Pixels = px(4.);
2153
2154 let mut minimap = div()
2155 .size_full()
2156 .shadow_xs()
2157 .px(PADDING_OFFSET)
2158 .child(minimap_editor)
2159 .into_any_element();
2160
2161 let extended_bounds = minimap_bounds.extend(Edges {
2162 right: PADDING_OFFSET,
2163 left: PADDING_OFFSET,
2164 ..Default::default()
2165 });
2166 minimap.layout_as_root(extended_bounds.size.into(), window, cx);
2167 window.with_absolute_element_offset(extended_bounds.origin, |window| {
2168 minimap.prepaint(window, cx)
2169 });
2170
2171 Some(MinimapLayout {
2172 minimap,
2173 thumb_layout: layout,
2174 thumb_border_style: minimap_settings.thumb_border,
2175 minimap_line_height,
2176 minimap_scroll_top,
2177 max_scroll_top: total_editor_lines,
2178 })
2179 }
2180
2181 fn get_minimap_line_height(
2182 &self,
2183 font_size: AbsoluteLength,
2184 window: &mut Window,
2185 cx: &mut App,
2186 ) -> Pixels {
2187 let rem_size = self.rem_size(cx).unwrap_or(window.rem_size());
2188 let mut text_style = self.style.text.clone();
2189 text_style.font_size = font_size;
2190 text_style.line_height_in_pixels(rem_size)
2191 }
2192
2193 fn get_minimap_width(
2194 &self,
2195 minimap_settings: &Minimap,
2196 scrollbars_shown: bool,
2197 text_width: Pixels,
2198 em_width: Pixels,
2199 font_size: Pixels,
2200 rem_size: Pixels,
2201 cx: &App,
2202 ) -> Option<Pixels> {
2203 if minimap_settings.show == ShowMinimap::Auto && !scrollbars_shown {
2204 return None;
2205 }
2206
2207 let minimap_font_size = self.editor.read_with(cx, |editor, cx| {
2208 editor.minimap().map(|minimap_editor| {
2209 minimap_editor
2210 .read(cx)
2211 .text_style_refinement
2212 .as_ref()
2213 .and_then(|refinement| refinement.font_size)
2214 .unwrap_or(MINIMAP_FONT_SIZE)
2215 })
2216 })?;
2217
2218 let minimap_em_width = em_width * (minimap_font_size.to_pixels(rem_size) / font_size);
2219
2220 let minimap_width = (text_width * MinimapLayout::MINIMAP_WIDTH_PCT)
2221 .min(minimap_em_width * minimap_settings.max_width_columns.get() as f32);
2222
2223 (minimap_width >= minimap_em_width * MinimapLayout::MINIMAP_MIN_WIDTH_COLUMNS)
2224 .then_some(minimap_width)
2225 }
2226
2227 fn prepaint_crease_toggles(
2228 &self,
2229 crease_toggles: &mut [Option<AnyElement>],
2230 line_height: Pixels,
2231 gutter_dimensions: &GutterDimensions,
2232 gutter_settings: crate::editor_settings::Gutter,
2233 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2234 gutter_hitbox: &Hitbox,
2235 window: &mut Window,
2236 cx: &mut App,
2237 ) {
2238 for (ix, crease_toggle) in crease_toggles.iter_mut().enumerate() {
2239 if let Some(crease_toggle) = crease_toggle {
2240 debug_assert!(gutter_settings.folds);
2241 let available_space = size(
2242 AvailableSpace::MinContent,
2243 AvailableSpace::Definite(line_height * 0.55),
2244 );
2245 let crease_toggle_size = crease_toggle.layout_as_root(available_space, window, cx);
2246
2247 let position = point(
2248 gutter_dimensions.width - gutter_dimensions.right_padding,
2249 ix as f32 * line_height
2250 - (scroll_pixel_position.y % ScrollPixelOffset::from(line_height)).into(),
2251 );
2252 let centering_offset = point(
2253 (gutter_dimensions.fold_area_width() - crease_toggle_size.width) / 2.,
2254 (line_height - crease_toggle_size.height) / 2.,
2255 );
2256 let origin = gutter_hitbox.origin + position + centering_offset;
2257 crease_toggle.prepaint_as_root(origin, available_space, window, cx);
2258 }
2259 }
2260 }
2261
2262 fn prepaint_expand_toggles(
2263 &self,
2264 expand_toggles: &mut [Option<(AnyElement, gpui::Point<Pixels>)>],
2265 window: &mut Window,
2266 cx: &mut App,
2267 ) {
2268 for (expand_toggle, origin) in expand_toggles.iter_mut().flatten() {
2269 let available_space = size(AvailableSpace::MinContent, AvailableSpace::MinContent);
2270 expand_toggle.layout_as_root(available_space, window, cx);
2271 expand_toggle.prepaint_as_root(*origin, available_space, window, cx);
2272 }
2273 }
2274
2275 fn prepaint_crease_trailers(
2276 &self,
2277 trailers: Vec<Option<AnyElement>>,
2278 lines: &[LineWithInvisibles],
2279 line_height: Pixels,
2280 content_origin: gpui::Point<Pixels>,
2281 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2282 em_width: Pixels,
2283 window: &mut Window,
2284 cx: &mut App,
2285 ) -> Vec<Option<CreaseTrailerLayout>> {
2286 trailers
2287 .into_iter()
2288 .enumerate()
2289 .map(|(ix, element)| {
2290 let mut element = element?;
2291 let available_space = size(
2292 AvailableSpace::MinContent,
2293 AvailableSpace::Definite(line_height),
2294 );
2295 let size = element.layout_as_root(available_space, window, cx);
2296
2297 let line = &lines[ix];
2298 let padding = if line.width == Pixels::ZERO {
2299 Pixels::ZERO
2300 } else {
2301 4. * em_width
2302 };
2303 let position = point(
2304 Pixels::from(scroll_pixel_position.x) + line.width + padding,
2305 ix as f32 * line_height
2306 - (scroll_pixel_position.y % ScrollPixelOffset::from(line_height)).into(),
2307 );
2308 let centering_offset = point(px(0.), (line_height - size.height) / 2.);
2309 let origin = content_origin + position + centering_offset;
2310 element.prepaint_as_root(origin, available_space, window, cx);
2311 Some(CreaseTrailerLayout {
2312 element,
2313 bounds: Bounds::new(origin, size),
2314 })
2315 })
2316 .collect()
2317 }
2318
2319 // Folds contained in a hunk are ignored apart from shrinking visual size
2320 // If a fold contains any hunks then that fold line is marked as modified
2321 fn layout_gutter_diff_hunks(
2322 &self,
2323 line_height: Pixels,
2324 gutter_hitbox: &Hitbox,
2325 display_rows: Range<DisplayRow>,
2326 snapshot: &EditorSnapshot,
2327 window: &mut Window,
2328 cx: &mut App,
2329 ) -> Vec<(DisplayDiffHunk, Option<Hitbox>)> {
2330 let folded_buffers = self.editor.read(cx).folded_buffers(cx);
2331 let mut display_hunks = snapshot
2332 .display_diff_hunks_for_rows(display_rows, folded_buffers)
2333 .map(|hunk| (hunk, None))
2334 .collect::<Vec<_>>();
2335 let git_gutter_setting = ProjectSettings::get_global(cx).git.git_gutter;
2336 if let GitGutterSetting::TrackedFiles = git_gutter_setting {
2337 for (hunk, hitbox) in &mut display_hunks {
2338 if matches!(hunk, DisplayDiffHunk::Unfolded { .. }) {
2339 let hunk_bounds =
2340 Self::diff_hunk_bounds(snapshot, line_height, gutter_hitbox.bounds, hunk);
2341 *hitbox = Some(window.insert_hitbox(hunk_bounds, HitboxBehavior::BlockMouse));
2342 }
2343 }
2344 }
2345
2346 display_hunks
2347 }
2348
2349 fn layout_inline_diagnostics(
2350 &self,
2351 line_layouts: &[LineWithInvisibles],
2352 crease_trailers: &[Option<CreaseTrailerLayout>],
2353 row_block_types: &HashMap<DisplayRow, bool>,
2354 content_origin: gpui::Point<Pixels>,
2355 scroll_position: gpui::Point<ScrollOffset>,
2356 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2357 edit_prediction_popover_origin: Option<gpui::Point<Pixels>>,
2358 start_row: DisplayRow,
2359 end_row: DisplayRow,
2360 line_height: Pixels,
2361 em_width: Pixels,
2362 style: &EditorStyle,
2363 window: &mut Window,
2364 cx: &mut App,
2365 ) -> HashMap<DisplayRow, AnyElement> {
2366 let max_severity = match self
2367 .editor
2368 .read(cx)
2369 .inline_diagnostics_enabled()
2370 .then(|| {
2371 ProjectSettings::get_global(cx)
2372 .diagnostics
2373 .inline
2374 .max_severity
2375 .unwrap_or_else(|| self.editor.read(cx).diagnostics_max_severity)
2376 .into_lsp()
2377 })
2378 .flatten()
2379 {
2380 Some(max_severity) => max_severity,
2381 None => return HashMap::default(),
2382 };
2383
2384 let active_diagnostics_group =
2385 if let ActiveDiagnostic::Group(group) = &self.editor.read(cx).active_diagnostics {
2386 Some(group.group_id)
2387 } else {
2388 None
2389 };
2390
2391 let diagnostics_by_rows = self.editor.update(cx, |editor, cx| {
2392 let snapshot = editor.snapshot(window, cx);
2393 editor
2394 .inline_diagnostics
2395 .iter()
2396 .filter(|(_, diagnostic)| diagnostic.severity <= max_severity)
2397 .filter(|(_, diagnostic)| match active_diagnostics_group {
2398 Some(active_diagnostics_group) => {
2399 // Active diagnostics are all shown in the editor already, no need to display them inline
2400 diagnostic.group_id != active_diagnostics_group
2401 }
2402 None => true,
2403 })
2404 .map(|(point, diag)| (point.to_display_point(&snapshot), diag.clone()))
2405 .skip_while(|(point, _)| point.row() < start_row)
2406 .take_while(|(point, _)| point.row() < end_row)
2407 .filter(|(point, _)| !row_block_types.contains_key(&point.row()))
2408 .fold(HashMap::default(), |mut acc, (point, diagnostic)| {
2409 acc.entry(point.row())
2410 .or_insert_with(Vec::new)
2411 .push(diagnostic);
2412 acc
2413 })
2414 });
2415
2416 if diagnostics_by_rows.is_empty() {
2417 return HashMap::default();
2418 }
2419
2420 let severity_to_color = |sev: &lsp::DiagnosticSeverity| match sev {
2421 &lsp::DiagnosticSeverity::ERROR => Color::Error,
2422 &lsp::DiagnosticSeverity::WARNING => Color::Warning,
2423 &lsp::DiagnosticSeverity::INFORMATION => Color::Info,
2424 &lsp::DiagnosticSeverity::HINT => Color::Hint,
2425 _ => Color::Error,
2426 };
2427
2428 let padding = ProjectSettings::get_global(cx).diagnostics.inline.padding as f32 * em_width;
2429 let min_x = column_pixels(
2430 &self.style,
2431 ProjectSettings::get_global(cx)
2432 .diagnostics
2433 .inline
2434 .min_column as usize,
2435 window,
2436 );
2437
2438 let mut elements = HashMap::default();
2439 for (row, mut diagnostics) in diagnostics_by_rows {
2440 diagnostics.sort_by_key(|diagnostic| {
2441 (
2442 diagnostic.severity,
2443 std::cmp::Reverse(diagnostic.is_primary),
2444 diagnostic.start.row,
2445 diagnostic.start.column,
2446 )
2447 });
2448
2449 let Some(diagnostic_to_render) = diagnostics
2450 .iter()
2451 .find(|diagnostic| diagnostic.is_primary)
2452 .or_else(|| diagnostics.first())
2453 else {
2454 continue;
2455 };
2456
2457 let pos_y = content_origin.y + line_height * (row.0 as f64 - scroll_position.y) as f32;
2458
2459 let window_ix = row.0.saturating_sub(start_row.0) as usize;
2460 let pos_x = {
2461 let crease_trailer_layout = &crease_trailers[window_ix];
2462 let line_layout = &line_layouts[window_ix];
2463
2464 let line_end = if let Some(crease_trailer) = crease_trailer_layout {
2465 crease_trailer.bounds.right()
2466 } else {
2467 Pixels::from(
2468 ScrollPixelOffset::from(content_origin.x + line_layout.width)
2469 - scroll_pixel_position.x,
2470 )
2471 };
2472
2473 let padded_line = line_end + padding;
2474 let min_start = Pixels::from(
2475 ScrollPixelOffset::from(content_origin.x + min_x) - scroll_pixel_position.x,
2476 );
2477
2478 cmp::max(padded_line, min_start)
2479 };
2480
2481 let behind_edit_prediction_popover = edit_prediction_popover_origin
2482 .as_ref()
2483 .is_some_and(|edit_prediction_popover_origin| {
2484 (pos_y..pos_y + line_height).contains(&edit_prediction_popover_origin.y)
2485 });
2486 let opacity = if behind_edit_prediction_popover {
2487 0.5
2488 } else {
2489 1.0
2490 };
2491
2492 let mut element = h_flex()
2493 .id(("diagnostic", row.0))
2494 .h(line_height)
2495 .w_full()
2496 .px_1()
2497 .rounded_xs()
2498 .opacity(opacity)
2499 .bg(severity_to_color(&diagnostic_to_render.severity)
2500 .color(cx)
2501 .opacity(0.05))
2502 .text_color(severity_to_color(&diagnostic_to_render.severity).color(cx))
2503 .text_sm()
2504 .font(style.text.font())
2505 .child(diagnostic_to_render.message.clone())
2506 .into_any();
2507
2508 element.prepaint_as_root(point(pos_x, pos_y), AvailableSpace::min_size(), window, cx);
2509
2510 elements.insert(row, element);
2511 }
2512
2513 elements
2514 }
2515
2516 fn layout_inline_code_actions(
2517 &self,
2518 display_point: DisplayPoint,
2519 content_origin: gpui::Point<Pixels>,
2520 scroll_position: gpui::Point<ScrollOffset>,
2521 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2522 line_height: Pixels,
2523 snapshot: &EditorSnapshot,
2524 window: &mut Window,
2525 cx: &mut App,
2526 ) -> Option<AnyElement> {
2527 // Don't show code actions in split diff view
2528 if self.split_side.is_some() {
2529 return None;
2530 }
2531
2532 if !snapshot
2533 .show_code_actions
2534 .unwrap_or(EditorSettings::get_global(cx).inline_code_actions)
2535 {
2536 return None;
2537 }
2538
2539 let icon_size = ui::IconSize::XSmall;
2540 let mut button = self.editor.update(cx, |editor, cx| {
2541 editor.available_code_actions.as_ref()?;
2542 let active = editor
2543 .context_menu
2544 .borrow()
2545 .as_ref()
2546 .and_then(|menu| {
2547 if let crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2548 deployed_from,
2549 ..
2550 }) = menu
2551 {
2552 deployed_from.as_ref()
2553 } else {
2554 None
2555 }
2556 })
2557 .is_some_and(|source| matches!(source, CodeActionSource::Indicator(..)));
2558 Some(editor.render_inline_code_actions(icon_size, display_point.row(), active, cx))
2559 })?;
2560
2561 let buffer_point = display_point.to_point(&snapshot.display_snapshot);
2562
2563 // do not show code action for folded line
2564 if snapshot.is_line_folded(MultiBufferRow(buffer_point.row)) {
2565 return None;
2566 }
2567
2568 // do not show code action for blank line with cursor
2569 let line_indent = snapshot
2570 .display_snapshot
2571 .buffer_snapshot()
2572 .line_indent_for_row(MultiBufferRow(buffer_point.row));
2573 if line_indent.is_line_blank() {
2574 return None;
2575 }
2576
2577 const INLINE_SLOT_CHAR_LIMIT: u32 = 4;
2578 const MAX_ALTERNATE_DISTANCE: u32 = 8;
2579
2580 let is_valid_row = |row_candidate: u32| -> bool {
2581 // move to other row if folded row
2582 if snapshot.is_line_folded(MultiBufferRow(row_candidate)) {
2583 return false;
2584 }
2585 if buffer_point.row == row_candidate {
2586 // move to other row if cursor is in slot
2587 if buffer_point.column < INLINE_SLOT_CHAR_LIMIT {
2588 return false;
2589 }
2590 } else {
2591 let candidate_point = MultiBufferPoint {
2592 row: row_candidate,
2593 column: 0,
2594 };
2595 // move to other row if different excerpt
2596 let range = if candidate_point < buffer_point {
2597 candidate_point..buffer_point
2598 } else {
2599 buffer_point..candidate_point
2600 };
2601 if snapshot
2602 .display_snapshot
2603 .buffer_snapshot()
2604 .excerpt_containing(range)
2605 .is_none()
2606 {
2607 return false;
2608 }
2609 }
2610 let line_indent = snapshot
2611 .display_snapshot
2612 .buffer_snapshot()
2613 .line_indent_for_row(MultiBufferRow(row_candidate));
2614 // use this row if it's blank
2615 if line_indent.is_line_blank() {
2616 true
2617 } else {
2618 // use this row if code starts after slot
2619 let indent_size = snapshot
2620 .display_snapshot
2621 .buffer_snapshot()
2622 .indent_size_for_line(MultiBufferRow(row_candidate));
2623 indent_size.len >= INLINE_SLOT_CHAR_LIMIT
2624 }
2625 };
2626
2627 let new_buffer_row = if is_valid_row(buffer_point.row) {
2628 Some(buffer_point.row)
2629 } else {
2630 let max_row = snapshot.display_snapshot.buffer_snapshot().max_point().row;
2631 (1..=MAX_ALTERNATE_DISTANCE).find_map(|offset| {
2632 let row_above = buffer_point.row.saturating_sub(offset);
2633 let row_below = buffer_point.row + offset;
2634 if row_above != buffer_point.row && is_valid_row(row_above) {
2635 Some(row_above)
2636 } else if row_below <= max_row && is_valid_row(row_below) {
2637 Some(row_below)
2638 } else {
2639 None
2640 }
2641 })
2642 }?;
2643
2644 let new_display_row = snapshot
2645 .display_snapshot
2646 .point_to_display_point(
2647 Point {
2648 row: new_buffer_row,
2649 column: buffer_point.column,
2650 },
2651 text::Bias::Left,
2652 )
2653 .row();
2654
2655 let start_y = content_origin.y
2656 + (((new_display_row.as_f64() - scroll_position.y) as f32) * line_height)
2657 + (line_height / 2.0)
2658 - (icon_size.square(window, cx) / 2.);
2659 let start_x = (ScrollPixelOffset::from(content_origin.x) - scroll_pixel_position.x
2660 + ScrollPixelOffset::from(window.rem_size() * 0.1))
2661 .into();
2662
2663 let absolute_offset = gpui::point(start_x, start_y);
2664 button.layout_as_root(gpui::AvailableSpace::min_size(), window, cx);
2665 button.prepaint_as_root(
2666 absolute_offset,
2667 gpui::AvailableSpace::min_size(),
2668 window,
2669 cx,
2670 );
2671 Some(button)
2672 }
2673
2674 fn layout_inline_blame(
2675 &self,
2676 display_row: DisplayRow,
2677 row_info: &RowInfo,
2678 line_layout: &LineWithInvisibles,
2679 crease_trailer: Option<&CreaseTrailerLayout>,
2680 em_width: Pixels,
2681 content_origin: gpui::Point<Pixels>,
2682 scroll_position: gpui::Point<ScrollOffset>,
2683 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2684 line_height: Pixels,
2685 window: &mut Window,
2686 cx: &mut App,
2687 ) -> Option<InlineBlameLayout> {
2688 if !self
2689 .editor
2690 .update(cx, |editor, cx| editor.render_git_blame_inline(window, cx))
2691 {
2692 return None;
2693 }
2694
2695 let editor = self.editor.read(cx);
2696 let blame = editor.blame.clone()?;
2697 let padding = {
2698 const INLINE_ACCEPT_SUGGESTION_EM_WIDTHS: f32 = 14.;
2699
2700 let mut padding = ProjectSettings::get_global(cx).git.inline_blame.padding as f32;
2701
2702 if let Some(edit_prediction) = editor.active_edit_prediction.as_ref()
2703 && let EditPrediction::Edit {
2704 display_mode: EditDisplayMode::TabAccept,
2705 ..
2706 } = &edit_prediction.completion
2707 {
2708 padding += INLINE_ACCEPT_SUGGESTION_EM_WIDTHS
2709 }
2710
2711 padding * em_width
2712 };
2713
2714 let (buffer_id, entry) = blame
2715 .update(cx, |blame, cx| {
2716 blame.blame_for_rows(&[*row_info], cx).next()
2717 })
2718 .flatten()?;
2719
2720 let mut element = render_inline_blame_entry(entry.clone(), &self.style, cx)?;
2721
2722 let start_y =
2723 content_origin.y + line_height * ((display_row.as_f64() - scroll_position.y) as f32);
2724
2725 let start_x = {
2726 let line_end = if let Some(crease_trailer) = crease_trailer {
2727 crease_trailer.bounds.right()
2728 } else {
2729 Pixels::from(
2730 ScrollPixelOffset::from(content_origin.x + line_layout.width)
2731 - scroll_pixel_position.x,
2732 )
2733 };
2734
2735 let padded_line_end = line_end + padding;
2736
2737 let min_column_in_pixels = column_pixels(
2738 &self.style,
2739 ProjectSettings::get_global(cx).git.inline_blame.min_column as usize,
2740 window,
2741 );
2742 let min_start = Pixels::from(
2743 ScrollPixelOffset::from(content_origin.x + min_column_in_pixels)
2744 - scroll_pixel_position.x,
2745 );
2746
2747 cmp::max(padded_line_end, min_start)
2748 };
2749
2750 let absolute_offset = point(start_x, start_y);
2751 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2752 let bounds = Bounds::new(absolute_offset, size);
2753
2754 element.prepaint_as_root(absolute_offset, AvailableSpace::min_size(), window, cx);
2755
2756 Some(InlineBlameLayout {
2757 element,
2758 bounds,
2759 buffer_id,
2760 entry,
2761 })
2762 }
2763
2764 fn layout_blame_popover(
2765 &self,
2766 editor_snapshot: &EditorSnapshot,
2767 text_hitbox: &Hitbox,
2768 line_height: Pixels,
2769 window: &mut Window,
2770 cx: &mut App,
2771 ) {
2772 if !self.editor.read(cx).inline_blame_popover.is_some() {
2773 return;
2774 }
2775
2776 let Some(blame) = self.editor.read(cx).blame.clone() else {
2777 return;
2778 };
2779 let cursor_point = self
2780 .editor
2781 .read(cx)
2782 .selections
2783 .newest::<language::Point>(&editor_snapshot.display_snapshot)
2784 .head();
2785
2786 let Some((buffer, buffer_point)) = editor_snapshot
2787 .buffer_snapshot()
2788 .point_to_buffer_point(cursor_point)
2789 else {
2790 return;
2791 };
2792
2793 let row_info = RowInfo {
2794 buffer_id: Some(buffer.remote_id()),
2795 buffer_row: Some(buffer_point.row),
2796 ..Default::default()
2797 };
2798
2799 let Some((buffer_id, blame_entry)) = blame
2800 .update(cx, |blame, cx| blame.blame_for_rows(&[row_info], cx).next())
2801 .flatten()
2802 else {
2803 return;
2804 };
2805
2806 let Some((popover_state, target_point)) = self.editor.read_with(cx, |editor, _| {
2807 editor
2808 .inline_blame_popover
2809 .as_ref()
2810 .map(|state| (state.popover_state.clone(), state.position))
2811 }) else {
2812 return;
2813 };
2814
2815 let workspace = self
2816 .editor
2817 .read_with(cx, |editor, _| editor.workspace().map(|w| w.downgrade()));
2818
2819 let maybe_element = workspace.and_then(|workspace| {
2820 render_blame_entry_popover(
2821 blame_entry,
2822 popover_state.scroll_handle,
2823 popover_state.commit_message,
2824 popover_state.markdown,
2825 workspace,
2826 &blame,
2827 buffer_id,
2828 window,
2829 cx,
2830 )
2831 });
2832
2833 if let Some(mut element) = maybe_element {
2834 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2835 let overall_height = size.height + HOVER_POPOVER_GAP;
2836 let popover_origin = if target_point.y > overall_height {
2837 point(target_point.x, target_point.y - size.height)
2838 } else {
2839 point(
2840 target_point.x,
2841 target_point.y + line_height + HOVER_POPOVER_GAP,
2842 )
2843 };
2844
2845 let horizontal_offset = (text_hitbox.top_right().x
2846 - POPOVER_RIGHT_OFFSET
2847 - (popover_origin.x + size.width))
2848 .min(Pixels::ZERO);
2849
2850 let origin = point(popover_origin.x + horizontal_offset, popover_origin.y);
2851 let popover_bounds = Bounds::new(origin, size);
2852
2853 self.editor.update(cx, |editor, _| {
2854 if let Some(state) = &mut editor.inline_blame_popover {
2855 state.popover_bounds = Some(popover_bounds);
2856 }
2857 });
2858
2859 window.defer_draw(element, origin, 2, None);
2860 }
2861 }
2862
2863 fn layout_blame_entries(
2864 &self,
2865 buffer_rows: &[RowInfo],
2866 em_width: Pixels,
2867 scroll_position: gpui::Point<ScrollOffset>,
2868 line_height: Pixels,
2869 gutter_hitbox: &Hitbox,
2870 max_width: Option<Pixels>,
2871 window: &mut Window,
2872 cx: &mut App,
2873 ) -> Option<Vec<AnyElement>> {
2874 if !self
2875 .editor
2876 .update(cx, |editor, cx| editor.render_git_blame_gutter(cx))
2877 {
2878 return None;
2879 }
2880
2881 let blame = self.editor.read(cx).blame.clone()?;
2882 let workspace = self.editor.read(cx).workspace()?;
2883 let blamed_rows: Vec<_> = blame.update(cx, |blame, cx| {
2884 blame.blame_for_rows(buffer_rows, cx).collect()
2885 });
2886
2887 let width = if let Some(max_width) = max_width {
2888 AvailableSpace::Definite(max_width)
2889 } else {
2890 AvailableSpace::MaxContent
2891 };
2892 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
2893 let start_x = em_width;
2894
2895 let mut last_used_color: Option<(Hsla, Oid)> = None;
2896 let blame_renderer = cx.global::<GlobalBlameRenderer>().0.clone();
2897
2898 let shaped_lines = blamed_rows
2899 .into_iter()
2900 .enumerate()
2901 .flat_map(|(ix, blame_entry)| {
2902 let (buffer_id, blame_entry) = blame_entry?;
2903 let mut element = render_blame_entry(
2904 ix,
2905 &blame,
2906 blame_entry,
2907 &self.style,
2908 &mut last_used_color,
2909 self.editor.clone(),
2910 workspace.clone(),
2911 buffer_id,
2912 &*blame_renderer,
2913 window,
2914 cx,
2915 )?;
2916
2917 let start_y = ix as f32 * line_height
2918 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height));
2919 let absolute_offset = gutter_hitbox.origin + point(start_x, start_y);
2920
2921 element.prepaint_as_root(
2922 absolute_offset,
2923 size(width, AvailableSpace::MinContent),
2924 window,
2925 cx,
2926 );
2927
2928 Some(element)
2929 })
2930 .collect();
2931
2932 Some(shaped_lines)
2933 }
2934
2935 fn layout_indent_guides(
2936 &self,
2937 content_origin: gpui::Point<Pixels>,
2938 text_origin: gpui::Point<Pixels>,
2939 visible_buffer_range: Range<MultiBufferRow>,
2940 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2941 line_height: Pixels,
2942 snapshot: &DisplaySnapshot,
2943 window: &mut Window,
2944 cx: &mut App,
2945 ) -> Option<Vec<IndentGuideLayout>> {
2946 let indent_guides = self.editor.update(cx, |editor, cx| {
2947 editor.indent_guides(visible_buffer_range, snapshot, cx)
2948 })?;
2949
2950 let active_indent_guide_indices = self.editor.update(cx, |editor, cx| {
2951 editor
2952 .find_active_indent_guide_indices(&indent_guides, snapshot, window, cx)
2953 .unwrap_or_default()
2954 });
2955
2956 Some(
2957 indent_guides
2958 .into_iter()
2959 .enumerate()
2960 .filter_map(|(i, indent_guide)| {
2961 let single_indent_width =
2962 column_pixels(&self.style, indent_guide.tab_size as usize, window);
2963 let total_width = single_indent_width * indent_guide.depth as f32;
2964 let start_x = Pixels::from(
2965 ScrollOffset::from(content_origin.x + total_width)
2966 - scroll_pixel_position.x,
2967 );
2968 if start_x >= text_origin.x {
2969 let (offset_y, length, display_row_range) =
2970 Self::calculate_indent_guide_bounds(
2971 indent_guide.start_row..indent_guide.end_row,
2972 line_height,
2973 snapshot,
2974 );
2975
2976 let start_y = Pixels::from(
2977 ScrollOffset::from(content_origin.y) + offset_y
2978 - scroll_pixel_position.y,
2979 );
2980
2981 Some(IndentGuideLayout {
2982 origin: point(start_x, start_y),
2983 length,
2984 single_indent_width,
2985 display_row_range,
2986 depth: indent_guide.depth,
2987 active: active_indent_guide_indices.contains(&i),
2988 settings: indent_guide.settings,
2989 })
2990 } else {
2991 None
2992 }
2993 })
2994 .collect(),
2995 )
2996 }
2997
2998 fn depth_zero_indent_guide_padding_for_row(
2999 indent_guides: &[IndentGuideLayout],
3000 row: DisplayRow,
3001 ) -> Pixels {
3002 indent_guides
3003 .iter()
3004 .find(|guide| guide.depth == 0 && guide.display_row_range.contains(&row))
3005 .and_then(|guide| {
3006 guide
3007 .settings
3008 .visible_line_width(guide.active)
3009 .map(|width| px(width as f32 * 2.0))
3010 })
3011 .unwrap_or(px(0.0))
3012 }
3013
3014 fn layout_wrap_guides(
3015 &self,
3016 em_advance: Pixels,
3017 scroll_position: gpui::Point<f64>,
3018 content_origin: gpui::Point<Pixels>,
3019 scrollbar_layout: Option<&EditorScrollbars>,
3020 vertical_scrollbar_width: Pixels,
3021 hitbox: &Hitbox,
3022 window: &Window,
3023 cx: &App,
3024 ) -> SmallVec<[(Pixels, bool); 2]> {
3025 let scroll_left = scroll_position.x as f32 * em_advance;
3026 let content_origin = content_origin.x;
3027 let horizontal_offset = content_origin - scroll_left;
3028 let vertical_scrollbar_width = scrollbar_layout
3029 .and_then(|layout| layout.visible.then_some(vertical_scrollbar_width))
3030 .unwrap_or_default();
3031
3032 self.editor
3033 .read(cx)
3034 .wrap_guides(cx)
3035 .into_iter()
3036 .flat_map(|(guide, active)| {
3037 let wrap_position = column_pixels(&self.style, guide, window);
3038 let wrap_guide_x = wrap_position + horizontal_offset;
3039 let display_wrap_guide = wrap_guide_x >= content_origin
3040 && wrap_guide_x <= hitbox.bounds.right() - vertical_scrollbar_width;
3041
3042 display_wrap_guide.then_some((wrap_guide_x, active))
3043 })
3044 .collect()
3045 }
3046
3047 fn calculate_indent_guide_bounds(
3048 row_range: Range<MultiBufferRow>,
3049 line_height: Pixels,
3050 snapshot: &DisplaySnapshot,
3051 ) -> (f64, gpui::Pixels, Range<DisplayRow>) {
3052 let start_point = Point::new(row_range.start.0, 0);
3053 let end_point = Point::new(row_range.end.0, 0);
3054
3055 let mut row_range = start_point.to_display_point(snapshot).row()
3056 ..end_point.to_display_point(snapshot).row();
3057
3058 let mut prev_line = start_point;
3059 prev_line.row = prev_line.row.saturating_sub(1);
3060 let prev_line = prev_line.to_display_point(snapshot).row();
3061
3062 let mut cons_line = end_point;
3063 cons_line.row += 1;
3064 let cons_line = cons_line.to_display_point(snapshot).row();
3065
3066 let mut offset_y = row_range.start.as_f64() * f64::from(line_height);
3067 let mut length = (cons_line.0.saturating_sub(row_range.start.0)) as f32 * line_height;
3068
3069 // If we are at the end of the buffer, ensure that the indent guide extends to the end of the line.
3070 if row_range.end == cons_line {
3071 length += line_height;
3072 }
3073
3074 // If there is a block (e.g. diagnostic) in between the start of the indent guide and the line above,
3075 // we want to extend the indent guide to the start of the block.
3076 let mut block_height = 0;
3077 let mut block_offset = 0;
3078 let mut found_excerpt_header = false;
3079 for (_, block) in snapshot.blocks_in_range(prev_line..row_range.start) {
3080 if matches!(
3081 block,
3082 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
3083 ) {
3084 found_excerpt_header = true;
3085 break;
3086 }
3087 block_offset += block.height();
3088 block_height += block.height();
3089 }
3090 if !found_excerpt_header {
3091 offset_y -= block_offset as f64 * f64::from(line_height);
3092 length += block_height as f32 * line_height;
3093 row_range = DisplayRow(row_range.start.0.saturating_sub(block_offset))..row_range.end;
3094 }
3095
3096 // If there is a block (e.g. diagnostic) at the end of an multibuffer excerpt,
3097 // we want to ensure that the indent guide stops before the excerpt header.
3098 let mut block_height = 0;
3099 let mut found_excerpt_header = false;
3100 for (_, block) in snapshot.blocks_in_range(row_range.end..cons_line) {
3101 if matches!(
3102 block,
3103 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
3104 ) {
3105 found_excerpt_header = true;
3106 }
3107 block_height += block.height();
3108 }
3109 if found_excerpt_header {
3110 length -= block_height as f32 * line_height;
3111 } else {
3112 row_range = row_range.start..cons_line;
3113 }
3114
3115 (offset_y, length, row_range)
3116 }
3117
3118 fn layout_bookmarks(
3119 &self,
3120 gutter: &Gutter<'_>,
3121 bookmarks: &HashSet<DisplayRow>,
3122 window: &mut Window,
3123 cx: &mut App,
3124 ) -> Vec<AnyElement> {
3125 if self.split_side == Some(SplitSide::Left) {
3126 return Vec::new();
3127 }
3128
3129 self.editor.update(cx, |editor, cx| {
3130 bookmarks
3131 .iter()
3132 .filter_map(|row| {
3133 gutter.layout_item_skipping_folds(
3134 *row,
3135 |cx, _| editor.render_bookmark(*row, cx).into_any_element(),
3136 window,
3137 cx,
3138 )
3139 })
3140 .collect_vec()
3141 })
3142 }
3143
3144 fn layout_gutter_hover_button(
3145 &self,
3146 gutter: &Gutter,
3147 position: Anchor,
3148 row: DisplayRow,
3149 window: &mut Window,
3150 cx: &mut App,
3151 ) -> Option<AnyElement> {
3152 if self.split_side == Some(SplitSide::Left) {
3153 return None;
3154 }
3155
3156 self.editor.update(cx, |editor, cx| {
3157 gutter.layout_item_skipping_folds(
3158 row,
3159 |cx, window| {
3160 editor
3161 .render_gutter_hover_button(position, row, window, cx)
3162 .into_any_element()
3163 },
3164 window,
3165 cx,
3166 )
3167 })
3168 }
3169
3170 fn layout_breakpoints(
3171 &self,
3172 gutter: &Gutter,
3173 breakpoints: &HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
3174 window: &mut Window,
3175 cx: &mut App,
3176 ) -> Vec<AnyElement> {
3177 if self.split_side == Some(SplitSide::Left) {
3178 return Vec::new();
3179 }
3180
3181 self.editor.update(cx, |editor, cx| {
3182 breakpoints
3183 .iter()
3184 .filter_map(|(row, (text_anchor, bp, state))| {
3185 gutter.layout_item_skipping_folds(
3186 *row,
3187 |cx, _| {
3188 editor
3189 .render_breakpoint(*text_anchor, *row, &bp, *state, cx)
3190 .into_any_element()
3191 },
3192 window,
3193 cx,
3194 )
3195 })
3196 .collect_vec()
3197 })
3198 }
3199
3200 fn should_render_diff_review_button(
3201 &self,
3202 range: Range<DisplayRow>,
3203 row_infos: &[RowInfo],
3204 snapshot: &EditorSnapshot,
3205 cx: &App,
3206 ) -> Option<(DisplayRow, Option<u32>)> {
3207 if !cx.has_flag::<DiffReviewFeatureFlag>() {
3208 return None;
3209 }
3210
3211 let show_diff_review_button = self.editor.read(cx).show_diff_review_button();
3212 if !show_diff_review_button {
3213 return None;
3214 }
3215
3216 let indicator = self.editor.read(cx).gutter_diff_review_indicator.0?;
3217 if !indicator.is_active {
3218 return None;
3219 }
3220
3221 let display_row = indicator
3222 .start
3223 .to_display_point(&snapshot.display_snapshot)
3224 .row();
3225 let row_index = (display_row.0.saturating_sub(range.start.0)) as usize;
3226
3227 let row_info = row_infos.get(row_index);
3228 if row_info.is_some_and(|row_info| row_info.expand_info.is_some()) {
3229 return None;
3230 }
3231
3232 let buffer_id = row_info.and_then(|info| info.buffer_id);
3233 if buffer_id.is_none() {
3234 return None;
3235 }
3236
3237 let editor = self.editor.read(cx);
3238 if buffer_id.is_some_and(|buffer_id| editor.is_buffer_folded(buffer_id, cx)) {
3239 return None;
3240 }
3241
3242 let buffer_row = row_info.and_then(|info| info.buffer_row);
3243 Some((display_row, buffer_row))
3244 }
3245
3246 fn layout_run_indicators(
3247 &self,
3248 gutter: &Gutter,
3249 run_indicators: &HashSet<DisplayRow>,
3250 breakpoints: &HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
3251 window: &mut Window,
3252 cx: &mut App,
3253 ) -> Vec<AnyElement> {
3254 if self.split_side == Some(SplitSide::Left) {
3255 return Vec::new();
3256 }
3257
3258 self.editor.update(cx, |editor, cx| {
3259 let active_task_indicator_row =
3260 // TODO: add edit button on the right side of each row in the context menu
3261 if let Some(crate::CodeContextMenu::CodeActions(CodeActionsMenu {
3262 deployed_from,
3263 actions,
3264 ..
3265 })) = editor.context_menu.borrow().as_ref()
3266 {
3267 actions
3268 .tasks()
3269 .map(|tasks| tasks.position.to_display_point(gutter.snapshot).row())
3270 .or_else(|| match deployed_from {
3271 Some(CodeActionSource::Indicator(row)) => Some(*row),
3272 _ => None,
3273 })
3274 } else {
3275 None
3276 };
3277
3278 run_indicators
3279 .iter()
3280 .filter_map(|display_row| {
3281 gutter.layout_item(
3282 *display_row,
3283 |cx, _| {
3284 editor
3285 .render_run_indicator(
3286 &self.style,
3287 Some(*display_row) == active_task_indicator_row,
3288 breakpoints.get(&display_row).map(|(anchor, _, _)| *anchor),
3289 *display_row,
3290 cx,
3291 )
3292 .into_any_element()
3293 },
3294 window,
3295 cx,
3296 )
3297 })
3298 .collect_vec()
3299 })
3300 }
3301
3302 fn layout_expand_toggles(
3303 &self,
3304 gutter_hitbox: &Hitbox,
3305 gutter_dimensions: GutterDimensions,
3306 em_width: Pixels,
3307 line_height: Pixels,
3308 scroll_position: gpui::Point<ScrollOffset>,
3309 buffer_rows: &[RowInfo],
3310 window: &mut Window,
3311 cx: &mut App,
3312 ) -> Vec<Option<(AnyElement, gpui::Point<Pixels>)>> {
3313 if self.editor.read(cx).disable_expand_excerpt_buttons {
3314 return vec![];
3315 }
3316
3317 let editor_font_size = self.style.text.font_size.to_pixels(window.rem_size()) * 1.2;
3318
3319 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
3320
3321 let max_line_number_length = self
3322 .editor
3323 .read(cx)
3324 .buffer()
3325 .read(cx)
3326 .snapshot(cx)
3327 .widest_line_number()
3328 .ilog10()
3329 + 1;
3330
3331 let git_gutter_width = Self::gutter_strip_width(line_height)
3332 + gutter_dimensions
3333 .git_blame_entries_width
3334 .unwrap_or_default();
3335 let available_width = gutter_dimensions.left_padding - git_gutter_width;
3336
3337 buffer_rows
3338 .iter()
3339 .enumerate()
3340 .map(|(ix, row_info)| {
3341 let ExpandInfo {
3342 direction,
3343 start_anchor,
3344 } = row_info.expand_info?;
3345
3346 let icon_name = match direction {
3347 ExpandExcerptDirection::Up => IconName::ExpandUp,
3348 ExpandExcerptDirection::Down => IconName::ExpandDown,
3349 ExpandExcerptDirection::UpAndDown => IconName::ExpandVertical,
3350 };
3351
3352 let editor = self.editor.clone();
3353 let is_wide = max_line_number_length
3354 >= EditorSettings::get_global(cx).gutter.min_line_number_digits as u32
3355 && row_info
3356 .buffer_row
3357 .is_some_and(|row| (row + 1).ilog10() + 1 == max_line_number_length)
3358 || gutter_dimensions.right_padding == px(0.);
3359
3360 let width = if is_wide {
3361 available_width - px(5.)
3362 } else {
3363 available_width + em_width - px(5.)
3364 };
3365
3366 let toggle = IconButton::new(("expand", ix), icon_name)
3367 .icon_color(Color::Custom(cx.theme().colors().editor_line_number))
3368 .icon_size(IconSize::Custom(rems(editor_font_size / window.rem_size())))
3369 .width(width)
3370 .on_click(move |_, window, cx| {
3371 editor.update(cx, |editor, cx| {
3372 editor.expand_excerpt(start_anchor, direction, window, cx);
3373 });
3374 })
3375 .tooltip(Tooltip::for_action_title(
3376 "Expand Excerpt",
3377 &crate::actions::ExpandExcerpts::default(),
3378 ))
3379 .into_any_element();
3380
3381 let position = point(
3382 git_gutter_width + px(1.),
3383 ix as f32 * line_height
3384 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height))
3385 + px(1.),
3386 );
3387 let origin = gutter_hitbox.origin + position;
3388
3389 Some((toggle, origin))
3390 })
3391 .collect()
3392 }
3393
3394 fn layout_line_numbers(
3395 &self,
3396 gutter: &Gutter<'_>,
3397 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3398 current_selection_head: Option<DisplayRow>,
3399 window: &mut Window,
3400 cx: &mut App,
3401 ) -> Arc<HashMap<MultiBufferRow, LineNumberLayout>> {
3402 let include_line_numbers = gutter
3403 .snapshot
3404 .show_line_numbers
3405 .unwrap_or_else(|| EditorSettings::get_global(cx).gutter.line_numbers);
3406 if !include_line_numbers {
3407 return Arc::default();
3408 }
3409
3410 let relative = self.editor.read(cx).relative_line_numbers(cx);
3411
3412 let relative_line_numbers_enabled = relative.enabled();
3413 let relative_rows = if relative_line_numbers_enabled
3414 && let Some(current_selection_head) = current_selection_head
3415 {
3416 gutter.snapshot.calculate_relative_line_numbers(
3417 &gutter.range,
3418 current_selection_head,
3419 relative.wrapped(),
3420 )
3421 } else {
3422 Default::default()
3423 };
3424
3425 let mut line_number = String::new();
3426 let segments = gutter
3427 .row_infos
3428 .iter()
3429 .enumerate()
3430 .flat_map(|(ix, row_info)| {
3431 let display_row = DisplayRow(gutter.range.start.0 + ix as u32);
3432 line_number.clear();
3433 let non_relative_number = if relative.wrapped() {
3434 row_info.buffer_row.or(row_info.wrapped_buffer_row)? + 1
3435 } else {
3436 row_info.buffer_row? + 1
3437 };
3438 let relative_number = relative_rows.get(&display_row);
3439 if !(relative_line_numbers_enabled && relative_number.is_some())
3440 && !gutter.snapshot.number_deleted_lines
3441 && row_info
3442 .diff_status
3443 .is_some_and(|status| status.is_deleted())
3444 {
3445 return None;
3446 }
3447
3448 let number = relative_number.unwrap_or(&non_relative_number);
3449 write!(&mut line_number, "{number}").unwrap();
3450
3451 let color = active_rows
3452 .get(&display_row)
3453 .map(|spec| {
3454 if spec.breakpoint {
3455 cx.theme().colors().debugger_accent
3456 } else {
3457 cx.theme().colors().editor_active_line_number
3458 }
3459 })
3460 .unwrap_or_else(|| cx.theme().colors().editor_line_number);
3461 let shaped_line =
3462 self.shape_line_number(SharedString::from(&line_number), color, window);
3463 let scroll_top =
3464 gutter.scroll_position.y * ScrollPixelOffset::from(gutter.line_height);
3465 let line_origin = gutter.hitbox.origin
3466 + point(
3467 gutter.hitbox.size.width
3468 - shaped_line.width
3469 - gutter.dimensions.right_padding,
3470 ix as f32 * gutter.line_height
3471 - Pixels::from(
3472 scroll_top % ScrollPixelOffset::from(gutter.line_height),
3473 ),
3474 );
3475
3476 #[cfg(not(test))]
3477 let hitbox = Some(window.insert_hitbox(
3478 Bounds::new(line_origin, size(shaped_line.width, gutter.line_height)),
3479 HitboxBehavior::Normal,
3480 ));
3481 #[cfg(test)]
3482 let hitbox = {
3483 let _ = line_origin;
3484 None
3485 };
3486
3487 let segment = LineNumberSegment {
3488 shaped_line,
3489 hitbox,
3490 };
3491
3492 let buffer_row = DisplayPoint::new(display_row, 0)
3493 .to_point(gutter.snapshot)
3494 .row;
3495 let multi_buffer_row = MultiBufferRow(buffer_row);
3496
3497 Some((multi_buffer_row, segment))
3498 });
3499
3500 let mut line_numbers: HashMap<MultiBufferRow, LineNumberLayout> = HashMap::default();
3501 for (buffer_row, segment) in segments {
3502 line_numbers
3503 .entry(buffer_row)
3504 .or_insert_with(|| LineNumberLayout {
3505 segments: Default::default(),
3506 })
3507 .segments
3508 .push(segment);
3509 }
3510 Arc::new(line_numbers)
3511 }
3512
3513 fn layout_crease_toggles(
3514 &self,
3515 rows: Range<DisplayRow>,
3516 row_infos: &[RowInfo],
3517 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3518 snapshot: &EditorSnapshot,
3519 window: &mut Window,
3520 cx: &mut App,
3521 ) -> Vec<Option<AnyElement>> {
3522 let include_fold_statuses = EditorSettings::get_global(cx).gutter.folds
3523 && snapshot.mode.is_full()
3524 && self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
3525 if include_fold_statuses {
3526 row_infos
3527 .iter()
3528 .enumerate()
3529 .map(|(ix, info)| {
3530 if info.expand_info.is_some() {
3531 return None;
3532 }
3533 let row = info.multibuffer_row?;
3534 let display_row = DisplayRow(rows.start.0 + ix as u32);
3535 let active = active_rows.contains_key(&display_row);
3536
3537 snapshot.render_crease_toggle(row, active, self.editor.clone(), window, cx)
3538 })
3539 .collect()
3540 } else {
3541 Vec::new()
3542 }
3543 }
3544
3545 fn layout_crease_trailers(
3546 &self,
3547 buffer_rows: impl IntoIterator<Item = RowInfo>,
3548 snapshot: &EditorSnapshot,
3549 window: &mut Window,
3550 cx: &mut App,
3551 ) -> Vec<Option<AnyElement>> {
3552 buffer_rows
3553 .into_iter()
3554 .map(|row_info| {
3555 if row_info.expand_info.is_some() {
3556 return None;
3557 }
3558 if let Some(row) = row_info.multibuffer_row {
3559 snapshot.render_crease_trailer(row, window, cx)
3560 } else {
3561 None
3562 }
3563 })
3564 .collect()
3565 }
3566
3567 fn bg_segments_per_row(
3568 rows: Range<DisplayRow>,
3569 selections: &[(PlayerColor, Vec<SelectionLayout>)],
3570 highlight_ranges: &[(Range<DisplayPoint>, Hsla)],
3571 base_background: Hsla,
3572 ) -> Vec<Vec<(Range<DisplayPoint>, Hsla)>> {
3573 if rows.start >= rows.end {
3574 return Vec::new();
3575 }
3576 if !base_background.is_opaque() {
3577 // We don't actually know what color is behind this editor.
3578 return Vec::new();
3579 }
3580 let highlight_iter = highlight_ranges.iter().cloned();
3581 let selection_iter = selections.iter().flat_map(|(player_color, layouts)| {
3582 let color = player_color.selection;
3583 layouts.iter().filter_map(move |selection_layout| {
3584 if selection_layout.range.start != selection_layout.range.end {
3585 Some((selection_layout.range.clone(), color))
3586 } else {
3587 None
3588 }
3589 })
3590 });
3591 let mut per_row_map = vec![Vec::new(); rows.len()];
3592 for (range, color) in highlight_iter.chain(selection_iter) {
3593 let covered_rows = if range.end.column() == 0 {
3594 cmp::max(range.start.row(), rows.start)..cmp::min(range.end.row(), rows.end)
3595 } else {
3596 cmp::max(range.start.row(), rows.start)
3597 ..cmp::min(range.end.row().next_row(), rows.end)
3598 };
3599 for row in covered_rows.iter_rows() {
3600 let seg_start = if row == range.start.row() {
3601 range.start
3602 } else {
3603 DisplayPoint::new(row, 0)
3604 };
3605 let seg_end = if row == range.end.row() && range.end.column() != 0 {
3606 range.end
3607 } else {
3608 DisplayPoint::new(row, u32::MAX)
3609 };
3610 let ix = row.minus(rows.start) as usize;
3611 debug_assert!(row >= rows.start && row < rows.end);
3612 debug_assert!(ix < per_row_map.len());
3613 per_row_map[ix].push((seg_start..seg_end, color));
3614 }
3615 }
3616 for row_segments in per_row_map.iter_mut() {
3617 if row_segments.is_empty() {
3618 continue;
3619 }
3620 let segments = mem::take(row_segments);
3621 let merged = Self::merge_overlapping_ranges(segments, base_background);
3622 *row_segments = merged;
3623 }
3624 per_row_map
3625 }
3626
3627 /// Merge overlapping ranges by splitting at all range boundaries and blending colors where
3628 /// multiple ranges overlap. The result contains non-overlapping ranges ordered from left to right.
3629 ///
3630 /// Expects `start.row() == end.row()` for each range.
3631 fn merge_overlapping_ranges(
3632 ranges: Vec<(Range<DisplayPoint>, Hsla)>,
3633 base_background: Hsla,
3634 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
3635 struct Boundary {
3636 pos: DisplayPoint,
3637 is_start: bool,
3638 index: usize,
3639 color: Hsla,
3640 }
3641
3642 let mut boundaries: SmallVec<[Boundary; 16]> = SmallVec::with_capacity(ranges.len() * 2);
3643 for (index, (range, color)) in ranges.iter().enumerate() {
3644 debug_assert!(
3645 range.start.row() == range.end.row(),
3646 "expects single-row ranges"
3647 );
3648 if range.start < range.end {
3649 boundaries.push(Boundary {
3650 pos: range.start,
3651 is_start: true,
3652 index,
3653 color: *color,
3654 });
3655 boundaries.push(Boundary {
3656 pos: range.end,
3657 is_start: false,
3658 index,
3659 color: *color,
3660 });
3661 }
3662 }
3663
3664 if boundaries.is_empty() {
3665 return Vec::new();
3666 }
3667
3668 boundaries
3669 .sort_unstable_by(|a, b| a.pos.cmp(&b.pos).then_with(|| a.is_start.cmp(&b.is_start)));
3670
3671 let mut processed_ranges: Vec<(Range<DisplayPoint>, Hsla)> = Vec::new();
3672 let mut active_ranges: SmallVec<[(usize, Hsla); 8]> = SmallVec::new();
3673
3674 let mut i = 0;
3675 let mut start_pos = boundaries[0].pos;
3676
3677 let boundaries_len = boundaries.len();
3678 while i < boundaries_len {
3679 let current_boundary_pos = boundaries[i].pos;
3680 if start_pos < current_boundary_pos {
3681 if !active_ranges.is_empty() {
3682 let mut color = base_background;
3683 for &(_, c) in &active_ranges {
3684 color = Hsla::blend(color, c);
3685 }
3686 if let Some((last_range, last_color)) = processed_ranges.last_mut() {
3687 if *last_color == color && last_range.end == start_pos {
3688 last_range.end = current_boundary_pos;
3689 } else {
3690 processed_ranges.push((start_pos..current_boundary_pos, color));
3691 }
3692 } else {
3693 processed_ranges.push((start_pos..current_boundary_pos, color));
3694 }
3695 }
3696 }
3697 while i < boundaries_len && boundaries[i].pos == current_boundary_pos {
3698 let active_range = &boundaries[i];
3699 if active_range.is_start {
3700 let idx = active_range.index;
3701 let pos = active_ranges
3702 .binary_search_by_key(&idx, |(i, _)| *i)
3703 .unwrap_or_else(|p| p);
3704 active_ranges.insert(pos, (idx, active_range.color));
3705 } else {
3706 let idx = active_range.index;
3707 if let Ok(pos) = active_ranges.binary_search_by_key(&idx, |(i, _)| *i) {
3708 active_ranges.remove(pos);
3709 }
3710 }
3711 i += 1;
3712 }
3713 start_pos = current_boundary_pos;
3714 }
3715
3716 processed_ranges
3717 }
3718
3719 fn layout_lines(
3720 rows: Range<DisplayRow>,
3721 snapshot: &EditorSnapshot,
3722 style: &EditorStyle,
3723 editor_width: Pixels,
3724 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3725 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
3726 window: &mut Window,
3727 cx: &mut App,
3728 ) -> Vec<LineWithInvisibles> {
3729 if rows.start >= rows.end {
3730 return Vec::new();
3731 }
3732
3733 // Show the placeholder when the editor is empty
3734 if snapshot.is_empty() {
3735 let font_size = style.text.font_size.to_pixels(window.rem_size());
3736 let placeholder_color = cx.theme().colors().text_placeholder;
3737 let placeholder_text = snapshot.placeholder_text();
3738
3739 let placeholder_lines = placeholder_text
3740 .as_ref()
3741 .map_or(Vec::new(), |text| text.split('\n').collect::<Vec<_>>());
3742
3743 let placeholder_line_count = placeholder_lines.len();
3744
3745 placeholder_lines
3746 .into_iter()
3747 .skip(rows.start.0 as usize)
3748 .chain(iter::repeat(""))
3749 .take(cmp::max(rows.len(), placeholder_line_count))
3750 .map(move |line| {
3751 let run = TextRun {
3752 len: line.len(),
3753 font: style.text.font(),
3754 color: placeholder_color,
3755 ..Default::default()
3756 };
3757 let line = window.text_system().shape_line(
3758 line.to_string().into(),
3759 font_size,
3760 &[run],
3761 None,
3762 );
3763 LineWithInvisibles {
3764 width: line.width,
3765 len: line.len,
3766 fragments: smallvec![LineFragment::Text(line)],
3767 invisibles: Vec::new(),
3768 font_size,
3769 }
3770 })
3771 .collect()
3772 } else {
3773 let use_tree_sitter = !snapshot.semantic_tokens_enabled
3774 || snapshot.use_tree_sitter_for_syntax(rows.start, cx);
3775 let language_aware = LanguageAwareStyling {
3776 tree_sitter: use_tree_sitter,
3777 diagnostics: true,
3778 };
3779 let chunks = snapshot.highlighted_chunks(rows.clone(), language_aware, style);
3780 LineWithInvisibles::from_chunks(
3781 chunks,
3782 style,
3783 MAX_LINE_LEN,
3784 rows.len(),
3785 &snapshot.mode,
3786 editor_width,
3787 is_row_soft_wrapped,
3788 bg_segments_per_row,
3789 window,
3790 cx,
3791 )
3792 }
3793 }
3794
3795 fn prepaint_lines(
3796 &self,
3797 start_row: DisplayRow,
3798 line_layouts: &mut [LineWithInvisibles],
3799 line_height: Pixels,
3800 scroll_position: gpui::Point<ScrollOffset>,
3801 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
3802 content_origin: gpui::Point<Pixels>,
3803 window: &mut Window,
3804 cx: &mut App,
3805 ) -> SmallVec<[AnyElement; 1]> {
3806 let mut line_elements = SmallVec::new();
3807 for (ix, line) in line_layouts.iter_mut().enumerate() {
3808 let row = start_row + DisplayRow(ix as u32);
3809 line.prepaint(
3810 line_height,
3811 scroll_position,
3812 scroll_pixel_position,
3813 row,
3814 content_origin,
3815 &mut line_elements,
3816 window,
3817 cx,
3818 );
3819 }
3820 line_elements
3821 }
3822
3823 fn render_block(
3824 &self,
3825 block: &Block,
3826 available_width: AvailableSpace,
3827 block_id: BlockId,
3828 block_row_start: DisplayRow,
3829 snapshot: &EditorSnapshot,
3830 text_x: Pixels,
3831 rows: &Range<DisplayRow>,
3832 line_layouts: &[LineWithInvisibles],
3833 editor_margins: &EditorMargins,
3834 line_height: Pixels,
3835 em_width: Pixels,
3836 text_hitbox: &Hitbox,
3837 editor_width: Pixels,
3838 scroll_width: &mut Pixels,
3839 resized_blocks: &mut HashMap<CustomBlockId, u32>,
3840 row_block_types: &mut HashMap<DisplayRow, bool>,
3841 selections: &[Selection<Point>],
3842 selected_buffer_ids: &Vec<BufferId>,
3843 latest_selection_anchors: &HashMap<BufferId, Anchor>,
3844 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3845 sticky_header_excerpt_id: Option<BufferId>,
3846 indent_guides: &Option<Vec<IndentGuideLayout>>,
3847 block_resize_offset: &mut i32,
3848 window: &mut Window,
3849 cx: &mut App,
3850 ) -> Option<(AnyElement, Size<Pixels>, DisplayRow, Pixels)> {
3851 let mut x_position = None;
3852 let mut element = match block {
3853 Block::Custom(custom) => {
3854 let block_start = custom.start().to_point(&snapshot.buffer_snapshot());
3855 let block_end = custom.end().to_point(&snapshot.buffer_snapshot());
3856 if block.place_near() && snapshot.is_line_folded(MultiBufferRow(block_start.row)) {
3857 return None;
3858 }
3859 let align_to = block_start.to_display_point(snapshot);
3860 let x_and_width = |layout: &LineWithInvisibles| {
3861 Some((
3862 text_x + layout.x_for_index(align_to.column() as usize),
3863 text_x + layout.width,
3864 ))
3865 };
3866 let line_ix = align_to.row().0.checked_sub(rows.start.0);
3867 x_position =
3868 if let Some(layout) = line_ix.and_then(|ix| line_layouts.get(ix as usize)) {
3869 x_and_width(layout)
3870 } else {
3871 x_and_width(&layout_line(
3872 align_to.row(),
3873 snapshot,
3874 &self.style,
3875 editor_width,
3876 is_row_soft_wrapped,
3877 window,
3878 cx,
3879 ))
3880 };
3881
3882 let anchor_x = x_position.unwrap().0;
3883
3884 let selected = selections
3885 .binary_search_by(|selection| {
3886 if selection.end <= block_start {
3887 Ordering::Less
3888 } else if selection.start >= block_end {
3889 Ordering::Greater
3890 } else {
3891 Ordering::Equal
3892 }
3893 })
3894 .is_ok();
3895
3896 div()
3897 .size_full()
3898 .child(
3899 custom.render(&mut BlockContext {
3900 window,
3901 app: cx,
3902 anchor_x,
3903 margins: editor_margins,
3904 line_height,
3905 em_width,
3906 block_id,
3907 height: custom.height.unwrap_or(1),
3908 selected,
3909 max_width: text_hitbox.size.width.max(*scroll_width),
3910 editor_style: &self.style,
3911 indent_guide_padding: indent_guides
3912 .as_ref()
3913 .map(|guides| {
3914 Self::depth_zero_indent_guide_padding_for_row(
3915 guides,
3916 block_row_start,
3917 )
3918 })
3919 .unwrap_or(px(0.0)),
3920 }),
3921 )
3922 .into_any()
3923 }
3924
3925 Block::FoldedBuffer {
3926 first_excerpt,
3927 height,
3928 ..
3929 } => {
3930 let mut result = v_flex().id(block_id).w_full().pr(editor_margins.right);
3931
3932 if self.should_show_buffer_headers() {
3933 let selected = selected_buffer_ids.contains(&first_excerpt.buffer_id());
3934 let jump_data = header_jump_data(
3935 snapshot,
3936 block_row_start,
3937 *height,
3938 first_excerpt,
3939 latest_selection_anchors,
3940 );
3941 result = result.child(self.render_buffer_header(
3942 first_excerpt,
3943 true,
3944 selected,
3945 false,
3946 jump_data,
3947 window,
3948 cx,
3949 ));
3950 } else {
3951 result =
3952 result.child(div().h(FILE_HEADER_HEIGHT as f32 * window.line_height()));
3953 }
3954
3955 result.into_any_element()
3956 }
3957
3958 Block::ExcerptBoundary { .. } => {
3959 let color = cx.theme().colors().clone();
3960 let mut result = v_flex().id(block_id).w_full();
3961
3962 result = result.child(
3963 h_flex().relative().child(
3964 div()
3965 .top(line_height / 2.)
3966 .absolute()
3967 .w_full()
3968 .h_px()
3969 .bg(color.border_variant),
3970 ),
3971 );
3972
3973 result.into_any()
3974 }
3975
3976 Block::BufferHeader { excerpt, height } => {
3977 let mut result = v_flex().id(block_id).w_full();
3978
3979 if self.should_show_buffer_headers() {
3980 let jump_data = header_jump_data(
3981 snapshot,
3982 block_row_start,
3983 *height,
3984 excerpt,
3985 latest_selection_anchors,
3986 );
3987
3988 if sticky_header_excerpt_id != Some(excerpt.buffer_id()) {
3989 let selected = selected_buffer_ids.contains(&excerpt.buffer_id());
3990
3991 result = result.child(div().pr(editor_margins.right).child(
3992 self.render_buffer_header(
3993 excerpt, false, selected, false, jump_data, window, cx,
3994 ),
3995 ));
3996 } else {
3997 result =
3998 result.child(div().h(FILE_HEADER_HEIGHT as f32 * window.line_height()));
3999 }
4000 } else {
4001 result =
4002 result.child(div().h(FILE_HEADER_HEIGHT as f32 * window.line_height()));
4003 }
4004
4005 result.into_any()
4006 }
4007
4008 Block::Spacer { height, .. } => {
4009 let indent_guide_padding = indent_guides
4010 .as_ref()
4011 .map(|guides| {
4012 Self::depth_zero_indent_guide_padding_for_row(guides, block_row_start)
4013 })
4014 .unwrap_or(px(0.0));
4015 Self::render_spacer_block(
4016 block_id,
4017 *height,
4018 line_height,
4019 indent_guide_padding,
4020 window,
4021 cx,
4022 )
4023 }
4024 };
4025
4026 // Discover the element's content height, then round up to the nearest multiple of line height.
4027 let preliminary_size = element.layout_as_root(
4028 size(available_width, AvailableSpace::MinContent),
4029 window,
4030 cx,
4031 );
4032 let quantized_height = (preliminary_size.height / line_height).ceil() * line_height;
4033 let final_size = if preliminary_size.height == quantized_height {
4034 preliminary_size
4035 } else {
4036 element.layout_as_root(size(available_width, quantized_height.into()), window, cx)
4037 };
4038 let mut element_height_in_lines = ((final_size.height / line_height).ceil() as u32).max(1);
4039
4040 let effective_row_start = block_row_start.0 as i32 + *block_resize_offset;
4041 debug_assert!(effective_row_start >= 0);
4042 let mut row = DisplayRow(effective_row_start.max(0) as u32);
4043
4044 let mut x_offset = px(0.);
4045 let mut is_block = true;
4046
4047 if let BlockId::Custom(custom_block_id) = block_id
4048 && block.has_height()
4049 {
4050 if block.place_near()
4051 && let Some((x_target, line_width)) = x_position
4052 {
4053 let margin = em_width * 2;
4054 if line_width + final_size.width + margin
4055 < editor_width + editor_margins.gutter.full_width()
4056 && !row_block_types.contains_key(&(row - 1))
4057 && element_height_in_lines == 1
4058 {
4059 x_offset = line_width + margin;
4060 row = row - 1;
4061 is_block = false;
4062 element_height_in_lines = 0;
4063 row_block_types.insert(row, is_block);
4064 } else {
4065 let max_offset =
4066 editor_width + editor_margins.gutter.full_width() - final_size.width;
4067 let min_offset = (x_target + em_width - final_size.width)
4068 .max(editor_margins.gutter.full_width());
4069 x_offset = x_target.min(max_offset).max(min_offset);
4070 }
4071 };
4072 if element_height_in_lines != block.height() {
4073 *block_resize_offset += element_height_in_lines as i32 - block.height() as i32;
4074 resized_blocks.insert(custom_block_id, element_height_in_lines);
4075 }
4076 }
4077 for i in 0..element_height_in_lines {
4078 row_block_types.insert(row + i, is_block);
4079 }
4080
4081 Some((element, final_size, row, x_offset))
4082 }
4083
4084 /// The spacer pattern period must be an even factor of the line height, so
4085 /// that two consecutive spacer blocks can render contiguously without an
4086 /// obvious break in the pattern.
4087 ///
4088 /// Two consecutive spacers can appear when the other side has a diff hunk
4089 /// and a custom block next to each other (e.g. merge conflict buttons).
4090 fn spacer_pattern_period(line_height: f32, target_height: f32) -> f32 {
4091 let k_approx = line_height / (2.0 * target_height);
4092 let k_floor = (k_approx.floor() as u32).max(1);
4093 let k_ceil = (k_approx.ceil() as u32).max(1);
4094
4095 let size_floor = line_height / (2 * k_floor) as f32;
4096 let size_ceil = line_height / (2 * k_ceil) as f32;
4097
4098 if (size_floor - target_height).abs() <= (size_ceil - target_height).abs() {
4099 size_floor
4100 } else {
4101 size_ceil
4102 }
4103 }
4104
4105 pub fn render_spacer_block(
4106 block_id: BlockId,
4107 block_height: u32,
4108 line_height: Pixels,
4109 indent_guide_padding: Pixels,
4110 window: &mut Window,
4111 cx: &App,
4112 ) -> AnyElement {
4113 let target_size = 16.0;
4114 let scale = window.scale_factor();
4115 let pattern_size =
4116 Self::spacer_pattern_period(f32::from(line_height) * scale, target_size * scale);
4117 let color = cx.theme().colors().panel_background;
4118 let background = pattern_slash(color, 2.0, pattern_size - 2.0);
4119
4120 div()
4121 .id(block_id)
4122 .cursor(CursorStyle::Arrow)
4123 .w_full()
4124 .h((block_height as f32) * line_height)
4125 .flex()
4126 .flex_row()
4127 .child(div().flex_shrink_0().w(indent_guide_padding).h_full())
4128 .child(
4129 div()
4130 .flex_1()
4131 .h_full()
4132 .relative()
4133 .overflow_x_hidden()
4134 .child(
4135 div()
4136 .absolute()
4137 .top_0()
4138 .bottom_0()
4139 .right_0()
4140 .left(-indent_guide_padding)
4141 .bg(background),
4142 ),
4143 )
4144 .into_any()
4145 }
4146
4147 fn render_buffer_header(
4148 &self,
4149 for_excerpt: &ExcerptBoundaryInfo,
4150 is_folded: bool,
4151 is_selected: bool,
4152 is_sticky: bool,
4153 jump_data: JumpData,
4154 window: &mut Window,
4155 cx: &mut App,
4156 ) -> impl IntoElement {
4157 render_buffer_header(
4158 &self.editor,
4159 for_excerpt,
4160 is_folded,
4161 is_selected,
4162 is_sticky,
4163 jump_data,
4164 window,
4165 cx,
4166 )
4167 }
4168
4169 fn render_blocks(
4170 &self,
4171 rows: Range<DisplayRow>,
4172 snapshot: &EditorSnapshot,
4173 hitbox: &Hitbox,
4174 text_hitbox: &Hitbox,
4175 editor_width: Pixels,
4176 scroll_width: &mut Pixels,
4177 editor_margins: &EditorMargins,
4178 em_width: Pixels,
4179 text_x: Pixels,
4180 line_height: Pixels,
4181 line_layouts: &mut [LineWithInvisibles],
4182 selections: &[Selection<Point>],
4183 selected_buffer_ids: &Vec<BufferId>,
4184 latest_selection_anchors: &HashMap<BufferId, Anchor>,
4185 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
4186 sticky_header_excerpt_id: Option<BufferId>,
4187 indent_guides: &Option<Vec<IndentGuideLayout>>,
4188 window: &mut Window,
4189 cx: &mut App,
4190 ) -> RenderBlocksOutput {
4191 let (fixed_blocks, non_fixed_blocks) = snapshot
4192 .blocks_in_range(rows.clone())
4193 .partition::<Vec<_>, _>(|(_, block)| block.style() == BlockStyle::Fixed);
4194
4195 let mut focused_block = self
4196 .editor
4197 .update(cx, |editor, _| editor.take_focused_block());
4198 let mut fixed_block_max_width = Pixels::ZERO;
4199 let mut blocks = Vec::new();
4200 let mut spacer_blocks = Vec::new();
4201 let mut resized_blocks = HashMap::default();
4202 let mut row_block_types = HashMap::default();
4203 let mut block_resize_offset: i32 = 0;
4204
4205 for (row, block) in fixed_blocks {
4206 let block_id = block.id();
4207
4208 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4209 focused_block = None;
4210 }
4211
4212 if let Some((element, element_size, row, x_offset)) = self.render_block(
4213 block,
4214 AvailableSpace::MinContent,
4215 block_id,
4216 row,
4217 snapshot,
4218 text_x,
4219 &rows,
4220 line_layouts,
4221 editor_margins,
4222 line_height,
4223 em_width,
4224 text_hitbox,
4225 editor_width,
4226 scroll_width,
4227 &mut resized_blocks,
4228 &mut row_block_types,
4229 selections,
4230 selected_buffer_ids,
4231 latest_selection_anchors,
4232 is_row_soft_wrapped,
4233 sticky_header_excerpt_id,
4234 indent_guides,
4235 &mut block_resize_offset,
4236 window,
4237 cx,
4238 ) {
4239 fixed_block_max_width = fixed_block_max_width.max(element_size.width + em_width);
4240 blocks.push(BlockLayout {
4241 id: block_id,
4242 x_offset,
4243 row: Some(row),
4244 element,
4245 available_space: size(AvailableSpace::MinContent, element_size.height.into()),
4246 style: BlockStyle::Fixed,
4247 overlaps_gutter: true,
4248 is_buffer_header: block.is_buffer_header(),
4249 });
4250 }
4251 }
4252
4253 for (row, block) in non_fixed_blocks {
4254 let style = block.style();
4255 let width = match (style, block.place_near()) {
4256 (_, true) => AvailableSpace::MinContent,
4257 (BlockStyle::Sticky, _) => hitbox.size.width.into(),
4258 (BlockStyle::Flex, _) => hitbox
4259 .size
4260 .width
4261 .max(fixed_block_max_width)
4262 .max(
4263 editor_margins.gutter.width + *scroll_width + editor_margins.extended_right,
4264 )
4265 .into(),
4266 (BlockStyle::Spacer, _) => hitbox
4267 .size
4268 .width
4269 .max(fixed_block_max_width)
4270 .max(*scroll_width + editor_margins.extended_right)
4271 .into(),
4272 (BlockStyle::Fixed, _) => unreachable!(),
4273 };
4274 let block_id = block.id();
4275
4276 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4277 focused_block = None;
4278 }
4279
4280 if let Some((element, element_size, row, x_offset)) = self.render_block(
4281 block,
4282 width,
4283 block_id,
4284 row,
4285 snapshot,
4286 text_x,
4287 &rows,
4288 line_layouts,
4289 editor_margins,
4290 line_height,
4291 em_width,
4292 text_hitbox,
4293 editor_width,
4294 scroll_width,
4295 &mut resized_blocks,
4296 &mut row_block_types,
4297 selections,
4298 selected_buffer_ids,
4299 latest_selection_anchors,
4300 is_row_soft_wrapped,
4301 sticky_header_excerpt_id,
4302 indent_guides,
4303 &mut block_resize_offset,
4304 window,
4305 cx,
4306 ) {
4307 let layout = BlockLayout {
4308 id: block_id,
4309 x_offset,
4310 row: Some(row),
4311 element,
4312 available_space: size(width, element_size.height.into()),
4313 style,
4314 overlaps_gutter: !block.place_near() && style != BlockStyle::Spacer,
4315 is_buffer_header: block.is_buffer_header(),
4316 };
4317 if style == BlockStyle::Spacer {
4318 spacer_blocks.push(layout);
4319 } else {
4320 blocks.push(layout);
4321 }
4322 }
4323 }
4324
4325 if let Some(focused_block) = focused_block
4326 && let Some(focus_handle) = focused_block.focus_handle.upgrade()
4327 && focus_handle.is_focused(window)
4328 && let Some(block) = snapshot.block_for_id(focused_block.id)
4329 {
4330 let style = block.style();
4331 let width = match style {
4332 BlockStyle::Fixed => AvailableSpace::MinContent,
4333 BlockStyle::Flex => {
4334 AvailableSpace::Definite(hitbox.size.width.max(fixed_block_max_width).max(
4335 editor_margins.gutter.width + *scroll_width + editor_margins.extended_right,
4336 ))
4337 }
4338 BlockStyle::Spacer => AvailableSpace::Definite(
4339 hitbox
4340 .size
4341 .width
4342 .max(fixed_block_max_width)
4343 .max(*scroll_width + editor_margins.extended_right),
4344 ),
4345 BlockStyle::Sticky => AvailableSpace::Definite(hitbox.size.width),
4346 };
4347
4348 if let Some((element, element_size, _, x_offset)) = self.render_block(
4349 &block,
4350 width,
4351 focused_block.id,
4352 rows.end,
4353 snapshot,
4354 text_x,
4355 &rows,
4356 line_layouts,
4357 editor_margins,
4358 line_height,
4359 em_width,
4360 text_hitbox,
4361 editor_width,
4362 scroll_width,
4363 &mut resized_blocks,
4364 &mut row_block_types,
4365 selections,
4366 selected_buffer_ids,
4367 latest_selection_anchors,
4368 is_row_soft_wrapped,
4369 sticky_header_excerpt_id,
4370 indent_guides,
4371 &mut block_resize_offset,
4372 window,
4373 cx,
4374 ) {
4375 blocks.push(BlockLayout {
4376 id: block.id(),
4377 x_offset,
4378 row: None,
4379 element,
4380 available_space: size(width, element_size.height.into()),
4381 style,
4382 overlaps_gutter: true,
4383 is_buffer_header: block.is_buffer_header(),
4384 });
4385 }
4386 }
4387
4388 if resized_blocks.is_empty() {
4389 *scroll_width =
4390 (*scroll_width).max(fixed_block_max_width - editor_margins.gutter.width);
4391 }
4392
4393 RenderBlocksOutput {
4394 non_spacer_blocks: blocks,
4395 spacer_blocks,
4396 row_block_types,
4397 resized_blocks: (!resized_blocks.is_empty()).then_some(resized_blocks),
4398 }
4399 }
4400
4401 fn layout_blocks(
4402 &self,
4403 blocks: &mut Vec<BlockLayout>,
4404 hitbox: &Hitbox,
4405 gutter_hitbox: &Hitbox,
4406 line_height: Pixels,
4407 scroll_position: gpui::Point<ScrollOffset>,
4408 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4409 editor_margins: &EditorMargins,
4410 window: &mut Window,
4411 cx: &mut App,
4412 ) {
4413 for block in blocks {
4414 let mut origin = if let Some(row) = block.row {
4415 hitbox.origin
4416 + point(
4417 block.x_offset,
4418 Pixels::from(
4419 (row.as_f64() - scroll_position.y)
4420 * ScrollPixelOffset::from(line_height),
4421 ),
4422 )
4423 } else {
4424 // Position the block outside the visible area
4425 hitbox.origin + point(Pixels::ZERO, hitbox.size.height)
4426 };
4427
4428 if block.style == BlockStyle::Spacer {
4429 origin += point(
4430 gutter_hitbox.size.width + editor_margins.gutter.margin,
4431 Pixels::ZERO,
4432 );
4433 }
4434
4435 if !matches!(block.style, BlockStyle::Sticky) {
4436 origin += point(Pixels::from(-scroll_pixel_position.x), Pixels::ZERO);
4437 }
4438
4439 let focus_handle =
4440 block
4441 .element
4442 .prepaint_as_root(origin, block.available_space, window, cx);
4443
4444 if let Some(focus_handle) = focus_handle {
4445 self.editor.update(cx, |editor, _cx| {
4446 editor.set_focused_block(FocusedBlock {
4447 id: block.id,
4448 focus_handle: focus_handle.downgrade(),
4449 });
4450 });
4451 }
4452 }
4453 }
4454
4455 fn layout_sticky_buffer_header(
4456 &self,
4457 StickyHeaderExcerpt { excerpt }: StickyHeaderExcerpt<'_>,
4458 scroll_position: gpui::Point<ScrollOffset>,
4459 line_height: Pixels,
4460 right_margin: Pixels,
4461 snapshot: &EditorSnapshot,
4462 hitbox: &Hitbox,
4463 selected_buffer_ids: &Vec<BufferId>,
4464 blocks: &[BlockLayout],
4465 latest_selection_anchors: &HashMap<BufferId, Anchor>,
4466 window: &mut Window,
4467 cx: &mut App,
4468 ) -> AnyElement {
4469 let jump_data = header_jump_data(
4470 snapshot,
4471 DisplayRow(scroll_position.y as u32),
4472 FILE_HEADER_HEIGHT + MULTI_BUFFER_EXCERPT_HEADER_HEIGHT,
4473 excerpt,
4474 latest_selection_anchors,
4475 );
4476
4477 let editor_bg_color = cx.theme().colors().editor_background;
4478
4479 let selected = selected_buffer_ids.contains(&excerpt.buffer_id());
4480
4481 let available_width = hitbox.bounds.size.width - right_margin;
4482
4483 let mut header = v_flex()
4484 .w_full()
4485 .relative()
4486 .child(
4487 div()
4488 .w(available_width)
4489 .h(FILE_HEADER_HEIGHT as f32 * line_height)
4490 .bg(linear_gradient(
4491 0.,
4492 linear_color_stop(editor_bg_color.opacity(0.), 0.),
4493 linear_color_stop(editor_bg_color, 0.6),
4494 ))
4495 .absolute()
4496 .top_0(),
4497 )
4498 .child(
4499 self.render_buffer_header(excerpt, false, selected, true, jump_data, window, cx)
4500 .into_any_element(),
4501 )
4502 .into_any_element();
4503
4504 let mut origin = hitbox.origin;
4505 // Move floating header up to avoid colliding with the next buffer header.
4506 for block in blocks.iter() {
4507 if !block.is_buffer_header {
4508 continue;
4509 }
4510
4511 let Some(display_row) = block.row.filter(|row| row.0 > scroll_position.y as u32) else {
4512 continue;
4513 };
4514
4515 let max_row = display_row.0.saturating_sub(FILE_HEADER_HEIGHT);
4516 let offset = scroll_position.y - max_row as f64;
4517
4518 if offset > 0.0 {
4519 origin.y -= Pixels::from(offset * ScrollPixelOffset::from(line_height));
4520 }
4521 break;
4522 }
4523
4524 let size = size(
4525 AvailableSpace::Definite(available_width),
4526 AvailableSpace::MinContent,
4527 );
4528
4529 header.prepaint_as_root(origin, size, window, cx);
4530
4531 header
4532 }
4533
4534 fn layout_sticky_headers(
4535 &self,
4536 snapshot: &EditorSnapshot,
4537 editor_width: Pixels,
4538 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
4539 line_height: Pixels,
4540 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4541 content_origin: gpui::Point<Pixels>,
4542 gutter_dimensions: &GutterDimensions,
4543 gutter_hitbox: &Hitbox,
4544 text_hitbox: &Hitbox,
4545 relative_line_numbers: RelativeLineNumbers,
4546 relative_to: Option<DisplayRow>,
4547 window: &mut Window,
4548 cx: &mut App,
4549 ) -> Option<StickyHeaders> {
4550 let show_line_numbers = snapshot
4551 .show_line_numbers
4552 .unwrap_or_else(|| EditorSettings::get_global(cx).gutter.line_numbers);
4553
4554 let rows = Self::sticky_headers(self.editor.read(cx), snapshot);
4555
4556 let mut lines = Vec::<StickyHeaderLine>::new();
4557
4558 for StickyHeader {
4559 sticky_row,
4560 start_point,
4561 offset,
4562 } in rows.into_iter().rev()
4563 {
4564 let line = layout_line(
4565 sticky_row,
4566 snapshot,
4567 &self.style,
4568 editor_width,
4569 is_row_soft_wrapped,
4570 window,
4571 cx,
4572 );
4573
4574 let line_number = show_line_numbers.then(|| {
4575 let start_display_row = start_point.to_display_point(snapshot).row();
4576 let relative_number = relative_to
4577 .filter(|_| relative_line_numbers != RelativeLineNumbers::Disabled)
4578 .map(|base| {
4579 snapshot.relative_line_delta(
4580 base,
4581 start_display_row,
4582 relative_line_numbers == RelativeLineNumbers::Wrapped,
4583 )
4584 });
4585 let number = relative_number
4586 .filter(|&delta| delta != 0)
4587 .map(|delta| delta.unsigned_abs() as u32)
4588 .unwrap_or(start_point.row + 1);
4589 let color = cx.theme().colors().editor_line_number;
4590 self.shape_line_number(SharedString::from(number.to_string()), color, window)
4591 });
4592
4593 lines.push(StickyHeaderLine::new(
4594 sticky_row,
4595 line_height * offset as f32,
4596 line,
4597 line_number,
4598 line_height,
4599 scroll_pixel_position,
4600 content_origin,
4601 gutter_hitbox,
4602 text_hitbox,
4603 window,
4604 cx,
4605 ));
4606 }
4607
4608 lines.reverse();
4609 if lines.is_empty() {
4610 return None;
4611 }
4612
4613 Some(StickyHeaders {
4614 lines,
4615 gutter_background: cx.theme().colors().editor_gutter_background,
4616 content_background: self.style.background,
4617 gutter_right_padding: gutter_dimensions.right_padding,
4618 })
4619 }
4620
4621 pub(crate) fn sticky_headers(editor: &Editor, snapshot: &EditorSnapshot) -> Vec<StickyHeader> {
4622 let scroll_top = snapshot.scroll_position().y;
4623
4624 let mut end_rows = Vec::<DisplayRow>::new();
4625 let mut rows = Vec::<StickyHeader>::new();
4626
4627 for item in editor.sticky_headers.iter().flatten() {
4628 let start_point = item.range.start.to_point(snapshot.buffer_snapshot());
4629 let end_point = item.range.end.to_point(snapshot.buffer_snapshot());
4630
4631 let sticky_row = snapshot
4632 .display_snapshot
4633 .point_to_display_point(start_point, Bias::Left)
4634 .row();
4635 if rows
4636 .last()
4637 .is_some_and(|last| last.sticky_row == sticky_row)
4638 {
4639 continue;
4640 }
4641
4642 let end_row = snapshot
4643 .display_snapshot
4644 .point_to_display_point(end_point, Bias::Left)
4645 .row();
4646 let max_sticky_row = end_row.previous_row();
4647 if max_sticky_row <= sticky_row {
4648 continue;
4649 }
4650
4651 while end_rows
4652 .last()
4653 .is_some_and(|&last_end| last_end <= sticky_row)
4654 {
4655 end_rows.pop();
4656 }
4657 let depth = end_rows.len();
4658 let adjusted_scroll_top = scroll_top + depth as f64;
4659
4660 if sticky_row.as_f64() >= adjusted_scroll_top || end_row.as_f64() <= adjusted_scroll_top
4661 {
4662 continue;
4663 }
4664
4665 let max_scroll_offset = max_sticky_row.as_f64() - scroll_top;
4666 let offset = (depth as f64).min(max_scroll_offset);
4667
4668 end_rows.push(end_row);
4669 rows.push(StickyHeader {
4670 sticky_row,
4671 start_point,
4672 offset,
4673 });
4674 }
4675
4676 rows
4677 }
4678
4679 fn layout_cursor_popovers(
4680 &self,
4681 line_height: Pixels,
4682 text_hitbox: &Hitbox,
4683 content_origin: gpui::Point<Pixels>,
4684 right_margin: Pixels,
4685 start_row: DisplayRow,
4686 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4687 line_layouts: &[LineWithInvisibles],
4688 cursor: DisplayPoint,
4689 cursor_point: Point,
4690 style: &EditorStyle,
4691 window: &mut Window,
4692 cx: &mut App,
4693 ) -> Option<ContextMenuLayout> {
4694 let mut min_menu_height = Pixels::ZERO;
4695 let mut max_menu_height = Pixels::ZERO;
4696 let mut height_above_menu = Pixels::ZERO;
4697 let height_below_menu = Pixels::ZERO;
4698 let mut edit_prediction_popover_visible = false;
4699 let mut context_menu_visible = false;
4700 let context_menu_placement;
4701
4702 {
4703 let editor = self.editor.read(cx);
4704 if editor.edit_prediction_visible_in_cursor_popover(editor.has_active_edit_prediction())
4705 {
4706 height_above_menu +=
4707 editor.edit_prediction_cursor_popover_height() + POPOVER_Y_PADDING;
4708 edit_prediction_popover_visible = true;
4709 }
4710
4711 if editor.context_menu_visible()
4712 && let Some(crate::ContextMenuOrigin::Cursor) = editor.context_menu_origin()
4713 {
4714 let (min_height_in_lines, max_height_in_lines) = editor
4715 .context_menu_options
4716 .as_ref()
4717 .map_or((3, 12), |options| {
4718 (options.min_entries_visible, options.max_entries_visible)
4719 });
4720
4721 min_menu_height += line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4722 max_menu_height += line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4723 context_menu_visible = true;
4724 }
4725 context_menu_placement = editor
4726 .context_menu_options
4727 .as_ref()
4728 .and_then(|options| options.placement.clone());
4729 }
4730
4731 let visible = edit_prediction_popover_visible || context_menu_visible;
4732 if !visible {
4733 return None;
4734 }
4735
4736 let cursor_row_layout = &line_layouts[cursor.row().minus(start_row) as usize];
4737 let target_position = content_origin
4738 + gpui::Point {
4739 x: cmp::max(
4740 px(0.),
4741 Pixels::from(
4742 ScrollPixelOffset::from(
4743 cursor_row_layout.x_for_index(cursor.column() as usize),
4744 ) - scroll_pixel_position.x,
4745 ),
4746 ),
4747 y: cmp::max(
4748 px(0.),
4749 Pixels::from(
4750 cursor.row().next_row().as_f64() * ScrollPixelOffset::from(line_height)
4751 - scroll_pixel_position.y,
4752 ),
4753 ),
4754 };
4755
4756 let viewport_bounds =
4757 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4758 right: -right_margin - MENU_GAP,
4759 ..Default::default()
4760 });
4761
4762 let min_height = height_above_menu + min_menu_height + height_below_menu;
4763 let max_height = height_above_menu + max_menu_height + height_below_menu;
4764 let (laid_out_popovers, y_flipped) = self.layout_popovers_above_or_below_line(
4765 target_position,
4766 line_height,
4767 min_height,
4768 max_height,
4769 context_menu_placement,
4770 text_hitbox,
4771 viewport_bounds,
4772 window,
4773 cx,
4774 |height, max_width_for_stable_x, y_flipped, window, cx| {
4775 // First layout the menu to get its size - others can be at least this wide.
4776 let context_menu = if context_menu_visible {
4777 let menu_height = if y_flipped {
4778 height - height_below_menu
4779 } else {
4780 height - height_above_menu
4781 };
4782 let mut element = self
4783 .render_context_menu(line_height, menu_height, window, cx)
4784 .expect("Visible context menu should always render.");
4785 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4786 Some((CursorPopoverType::CodeContextMenu, element, size))
4787 } else {
4788 None
4789 };
4790 let min_width = context_menu
4791 .as_ref()
4792 .map_or(px(0.), |(_, _, size)| size.width);
4793 let max_width = max_width_for_stable_x.max(
4794 context_menu
4795 .as_ref()
4796 .map_or(px(0.), |(_, _, size)| size.width),
4797 );
4798
4799 let edit_prediction = if edit_prediction_popover_visible {
4800 self.editor.update(cx, move |editor, cx| {
4801 let mut element = editor.render_edit_prediction_cursor_popover(
4802 min_width,
4803 max_width,
4804 cursor_point,
4805 style,
4806 window,
4807 cx,
4808 )?;
4809 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4810 Some((CursorPopoverType::EditPrediction, element, size))
4811 })
4812 } else {
4813 None
4814 };
4815 vec![edit_prediction, context_menu]
4816 .into_iter()
4817 .flatten()
4818 .collect::<Vec<_>>()
4819 },
4820 )?;
4821
4822 let (menu_ix, (_, menu_bounds)) = laid_out_popovers
4823 .iter()
4824 .find_position(|(x, _)| matches!(x, CursorPopoverType::CodeContextMenu))?;
4825 let last_ix = laid_out_popovers.len() - 1;
4826 let menu_is_last = menu_ix == last_ix;
4827 let first_popover_bounds = laid_out_popovers[0].1;
4828 let last_popover_bounds = laid_out_popovers[last_ix].1;
4829
4830 // Bounds to layout the aside around. When y_flipped, the aside goes either above or to the
4831 // right, and otherwise it goes below or to the right.
4832 let mut target_bounds = Bounds::from_corners(
4833 first_popover_bounds.origin,
4834 last_popover_bounds.bottom_right(),
4835 );
4836 target_bounds.size.width = menu_bounds.size.width;
4837
4838 // Like `target_bounds`, but with the max height it could occupy. Choosing an aside position
4839 // based on this is preferred for layout stability.
4840 let mut max_target_bounds = target_bounds;
4841 max_target_bounds.size.height = max_height;
4842 if y_flipped {
4843 max_target_bounds.origin.y -= max_height - target_bounds.size.height;
4844 }
4845
4846 // Add spacing around `target_bounds` and `max_target_bounds`.
4847 let mut extend_amount = Edges::all(MENU_GAP);
4848 if y_flipped {
4849 extend_amount.bottom = line_height;
4850 } else {
4851 extend_amount.top = line_height;
4852 }
4853 let target_bounds = target_bounds.extend(extend_amount);
4854 let max_target_bounds = max_target_bounds.extend(extend_amount);
4855
4856 let must_place_above_or_below =
4857 if y_flipped && !menu_is_last && menu_bounds.size.height < max_menu_height {
4858 laid_out_popovers[menu_ix + 1..]
4859 .iter()
4860 .any(|(_, popover_bounds)| popover_bounds.size.width > menu_bounds.size.width)
4861 } else {
4862 false
4863 };
4864
4865 let aside_bounds = self.layout_context_menu_aside(
4866 y_flipped,
4867 *menu_bounds,
4868 target_bounds,
4869 max_target_bounds,
4870 max_menu_height,
4871 must_place_above_or_below,
4872 text_hitbox,
4873 viewport_bounds,
4874 window,
4875 cx,
4876 );
4877
4878 if let Some(menu_bounds) = laid_out_popovers.iter().find_map(|(popover_type, bounds)| {
4879 if matches!(popover_type, CursorPopoverType::CodeContextMenu) {
4880 Some(*bounds)
4881 } else {
4882 None
4883 }
4884 }) {
4885 let bounds = if let Some(aside_bounds) = aside_bounds {
4886 menu_bounds.union(&aside_bounds)
4887 } else {
4888 menu_bounds
4889 };
4890 return Some(ContextMenuLayout { y_flipped, bounds });
4891 }
4892
4893 None
4894 }
4895
4896 fn layout_gutter_menu(
4897 &self,
4898 line_height: Pixels,
4899 text_hitbox: &Hitbox,
4900 content_origin: gpui::Point<Pixels>,
4901 right_margin: Pixels,
4902 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4903 gutter_overshoot: Pixels,
4904 window: &mut Window,
4905 cx: &mut App,
4906 ) {
4907 let editor = self.editor.read(cx);
4908 if !editor.context_menu_visible() {
4909 return;
4910 }
4911 let Some(crate::ContextMenuOrigin::GutterIndicator(gutter_row)) =
4912 editor.context_menu_origin()
4913 else {
4914 return;
4915 };
4916 // Context menu was spawned via a click on a gutter. Ensure it's a bit closer to the
4917 // indicator than just a plain first column of the text field.
4918 let target_position = content_origin
4919 + gpui::Point {
4920 x: -gutter_overshoot,
4921 y: Pixels::from(
4922 gutter_row.next_row().as_f64() * ScrollPixelOffset::from(line_height)
4923 - scroll_pixel_position.y,
4924 ),
4925 };
4926
4927 let (min_height_in_lines, max_height_in_lines) = editor
4928 .context_menu_options
4929 .as_ref()
4930 .map_or((3, 12), |options| {
4931 (options.min_entries_visible, options.max_entries_visible)
4932 });
4933
4934 let min_height = line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4935 let max_height = line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4936 let viewport_bounds =
4937 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4938 right: -right_margin - MENU_GAP,
4939 ..Default::default()
4940 });
4941 self.layout_popovers_above_or_below_line(
4942 target_position,
4943 line_height,
4944 min_height,
4945 max_height,
4946 editor
4947 .context_menu_options
4948 .as_ref()
4949 .and_then(|options| options.placement.clone()),
4950 text_hitbox,
4951 viewport_bounds,
4952 window,
4953 cx,
4954 move |height, _max_width_for_stable_x, _, window, cx| {
4955 let mut element = self
4956 .render_context_menu(line_height, height, window, cx)
4957 .expect("Visible context menu should always render.");
4958 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4959 vec![(CursorPopoverType::CodeContextMenu, element, size)]
4960 },
4961 );
4962 }
4963
4964 fn layout_popovers_above_or_below_line(
4965 &self,
4966 target_position: gpui::Point<Pixels>,
4967 line_height: Pixels,
4968 min_height: Pixels,
4969 max_height: Pixels,
4970 placement: Option<ContextMenuPlacement>,
4971 text_hitbox: &Hitbox,
4972 viewport_bounds: Bounds<Pixels>,
4973 window: &mut Window,
4974 cx: &mut App,
4975 make_sized_popovers: impl FnOnce(
4976 Pixels,
4977 Pixels,
4978 bool,
4979 &mut Window,
4980 &mut App,
4981 ) -> Vec<(CursorPopoverType, AnyElement, Size<Pixels>)>,
4982 ) -> Option<(Vec<(CursorPopoverType, Bounds<Pixels>)>, bool)> {
4983 let text_style = TextStyleRefinement {
4984 line_height: Some(DefiniteLength::Fraction(
4985 BufferLineHeight::Comfortable.value(),
4986 )),
4987 ..Default::default()
4988 };
4989 window.with_text_style(Some(text_style), |window| {
4990 // If the max height won't fit below and there is more space above, put it above the line.
4991 let bottom_y_when_flipped = target_position.y - line_height;
4992 let available_above = bottom_y_when_flipped - text_hitbox.top();
4993 let available_below = text_hitbox.bottom() - target_position.y;
4994 let y_overflows_below = max_height > available_below;
4995 let mut y_flipped = match placement {
4996 Some(ContextMenuPlacement::Above) => true,
4997 Some(ContextMenuPlacement::Below) => false,
4998 None => y_overflows_below && available_above > available_below,
4999 };
5000 let mut height = cmp::min(
5001 max_height,
5002 if y_flipped {
5003 available_above
5004 } else {
5005 available_below
5006 },
5007 );
5008
5009 // If the min height doesn't fit within text bounds, instead fit within the window.
5010 if height < min_height {
5011 let available_above = bottom_y_when_flipped;
5012 let available_below = viewport_bounds.bottom() - target_position.y;
5013 let (y_flipped_override, height_override) = match placement {
5014 Some(ContextMenuPlacement::Above) => {
5015 (true, cmp::min(available_above, min_height))
5016 }
5017 Some(ContextMenuPlacement::Below) => {
5018 (false, cmp::min(available_below, min_height))
5019 }
5020 None => {
5021 if available_below > min_height {
5022 (false, min_height)
5023 } else if available_above > min_height {
5024 (true, min_height)
5025 } else if available_above > available_below {
5026 (true, available_above)
5027 } else {
5028 (false, available_below)
5029 }
5030 }
5031 };
5032 y_flipped = y_flipped_override;
5033 height = height_override;
5034 }
5035
5036 let max_width_for_stable_x = viewport_bounds.right() - target_position.x;
5037
5038 // TODO: Use viewport_bounds.width as a max width so that it doesn't get clipped on the left
5039 // for very narrow windows.
5040 let popovers =
5041 make_sized_popovers(height, max_width_for_stable_x, y_flipped, window, cx);
5042 if popovers.is_empty() {
5043 return None;
5044 }
5045
5046 let max_width = popovers
5047 .iter()
5048 .map(|(_, _, size)| size.width)
5049 .max()
5050 .unwrap_or_default();
5051
5052 let mut current_position = gpui::Point {
5053 // Snap the right edge of the list to the right edge of the window if its horizontal bounds
5054 // overflow. Include space for the scrollbar.
5055 x: target_position
5056 .x
5057 .min((viewport_bounds.right() - max_width).max(Pixels::ZERO)),
5058 y: if y_flipped {
5059 bottom_y_when_flipped
5060 } else {
5061 target_position.y
5062 },
5063 };
5064
5065 let mut laid_out_popovers = popovers
5066 .into_iter()
5067 .map(|(popover_type, element, size)| {
5068 if y_flipped {
5069 current_position.y -= size.height;
5070 }
5071 let position = current_position;
5072 window.defer_draw(element, current_position, 1, None);
5073 if !y_flipped {
5074 current_position.y += size.height + MENU_GAP;
5075 } else {
5076 current_position.y -= MENU_GAP;
5077 }
5078 (popover_type, Bounds::new(position, size))
5079 })
5080 .collect::<Vec<_>>();
5081
5082 if y_flipped {
5083 laid_out_popovers.reverse();
5084 }
5085
5086 Some((laid_out_popovers, y_flipped))
5087 })
5088 }
5089
5090 fn layout_context_menu_aside(
5091 &self,
5092 y_flipped: bool,
5093 menu_bounds: Bounds<Pixels>,
5094 target_bounds: Bounds<Pixels>,
5095 max_target_bounds: Bounds<Pixels>,
5096 max_height: Pixels,
5097 must_place_above_or_below: bool,
5098 text_hitbox: &Hitbox,
5099 viewport_bounds: Bounds<Pixels>,
5100 window: &mut Window,
5101 cx: &mut App,
5102 ) -> Option<Bounds<Pixels>> {
5103 let available_within_viewport = target_bounds.space_within(&viewport_bounds);
5104 let positioned_aside = if available_within_viewport.right >= MENU_ASIDE_MIN_WIDTH
5105 && !must_place_above_or_below
5106 {
5107 let max_width = cmp::min(
5108 available_within_viewport.right - px(1.),
5109 MENU_ASIDE_MAX_WIDTH,
5110 );
5111 let mut aside = self.render_context_menu_aside(
5112 size(max_width, max_height - POPOVER_Y_PADDING),
5113 window,
5114 cx,
5115 )?;
5116 let size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
5117 let right_position = point(target_bounds.right(), menu_bounds.origin.y);
5118 Some((aside, right_position, size))
5119 } else {
5120 let max_size = size(
5121 // TODO(mgsloan): Once the menu is bounded by viewport width the bound on viewport
5122 // won't be needed here.
5123 cmp::min(
5124 cmp::max(menu_bounds.size.width - px(2.), MENU_ASIDE_MIN_WIDTH),
5125 viewport_bounds.right(),
5126 ),
5127 cmp::min(
5128 max_height,
5129 cmp::max(
5130 available_within_viewport.top,
5131 available_within_viewport.bottom,
5132 ),
5133 ) - POPOVER_Y_PADDING,
5134 );
5135 let mut aside = self.render_context_menu_aside(max_size, window, cx)?;
5136 let actual_size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
5137
5138 let top_position = point(
5139 menu_bounds.origin.x,
5140 target_bounds.top() - actual_size.height,
5141 );
5142 let bottom_position = point(menu_bounds.origin.x, target_bounds.bottom());
5143
5144 let fit_within = |available: Edges<Pixels>, wanted: Size<Pixels>| {
5145 // Prefer to fit on the same side of the line as the menu, then on the other side of
5146 // the line.
5147 if !y_flipped && wanted.height < available.bottom {
5148 Some(bottom_position)
5149 } else if !y_flipped && wanted.height < available.top {
5150 Some(top_position)
5151 } else if y_flipped && wanted.height < available.top {
5152 Some(top_position)
5153 } else if y_flipped && wanted.height < available.bottom {
5154 Some(bottom_position)
5155 } else {
5156 None
5157 }
5158 };
5159
5160 // Prefer choosing a direction using max sizes rather than actual size for stability.
5161 let available_within_text = max_target_bounds.space_within(&text_hitbox.bounds);
5162 let wanted = size(MENU_ASIDE_MAX_WIDTH, max_height);
5163 let aside_position = fit_within(available_within_text, wanted)
5164 // Fallback: fit max size in window.
5165 .or_else(|| fit_within(max_target_bounds.space_within(&viewport_bounds), wanted))
5166 // Fallback: fit actual size in window.
5167 .or_else(|| fit_within(available_within_viewport, actual_size));
5168
5169 aside_position.map(|position| (aside, position, actual_size))
5170 };
5171
5172 // Skip drawing if it doesn't fit anywhere.
5173 if let Some((aside, position, size)) = positioned_aside {
5174 let aside_bounds = Bounds::new(position, size);
5175 window.defer_draw(aside, position, 2, None);
5176 return Some(aside_bounds);
5177 }
5178
5179 None
5180 }
5181
5182 fn render_context_menu(
5183 &self,
5184 line_height: Pixels,
5185 height: Pixels,
5186 window: &mut Window,
5187 cx: &mut App,
5188 ) -> Option<AnyElement> {
5189 let max_height_in_lines = ((height - POPOVER_Y_PADDING) / line_height).floor() as u32;
5190 self.editor.update(cx, |editor, cx| {
5191 editor.render_context_menu(max_height_in_lines, window, cx)
5192 })
5193 }
5194
5195 fn render_context_menu_aside(
5196 &self,
5197 max_size: Size<Pixels>,
5198 window: &mut Window,
5199 cx: &mut App,
5200 ) -> Option<AnyElement> {
5201 if max_size.width < px(100.) || max_size.height < px(12.) {
5202 None
5203 } else {
5204 self.editor.update(cx, |editor, cx| {
5205 editor.render_context_menu_aside(max_size, window, cx)
5206 })
5207 }
5208 }
5209
5210 fn layout_mouse_context_menu(
5211 &self,
5212 editor_snapshot: &EditorSnapshot,
5213 visible_range: Range<DisplayRow>,
5214 content_origin: gpui::Point<Pixels>,
5215 window: &mut Window,
5216 cx: &mut App,
5217 ) -> Option<AnyElement> {
5218 let position = self.editor.update(cx, |editor, cx| {
5219 let visible_start_point = editor.display_to_pixel_point(
5220 DisplayPoint::new(visible_range.start, 0),
5221 editor_snapshot,
5222 window,
5223 cx,
5224 )?;
5225 let visible_end_point = editor.display_to_pixel_point(
5226 DisplayPoint::new(visible_range.end, 0),
5227 editor_snapshot,
5228 window,
5229 cx,
5230 )?;
5231
5232 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
5233 let (source_display_point, position) = match mouse_context_menu.position {
5234 MenuPosition::PinnedToScreen(point) => (None, point),
5235 MenuPosition::PinnedToEditor { source, offset } => {
5236 let source_display_point = source.to_display_point(editor_snapshot);
5237 let source_point =
5238 editor.to_pixel_point(source, editor_snapshot, window, cx)?;
5239 let position = content_origin + source_point + offset;
5240 (Some(source_display_point), position)
5241 }
5242 };
5243
5244 let source_included = source_display_point.is_none_or(|source_display_point| {
5245 visible_range
5246 .to_inclusive()
5247 .contains(&source_display_point.row())
5248 });
5249 let position_included =
5250 visible_start_point.y <= position.y && position.y <= visible_end_point.y;
5251 if !source_included && !position_included {
5252 None
5253 } else {
5254 Some(position)
5255 }
5256 })?;
5257
5258 let text_style = TextStyleRefinement {
5259 line_height: Some(DefiniteLength::Fraction(
5260 BufferLineHeight::Comfortable.value(),
5261 )),
5262 ..Default::default()
5263 };
5264 window.with_text_style(Some(text_style), |window| {
5265 let mut element = self.editor.read_with(cx, |editor, _| {
5266 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
5267 let context_menu = mouse_context_menu.context_menu.clone();
5268
5269 Some(
5270 deferred(
5271 anchored()
5272 .position(position)
5273 .child(context_menu)
5274 .anchor(gpui::Anchor::TopLeft)
5275 .snap_to_window_with_margin(px(8.)),
5276 )
5277 .with_priority(1)
5278 .into_any(),
5279 )
5280 })?;
5281
5282 element.prepaint_as_root(position, AvailableSpace::min_size(), window, cx);
5283 Some(element)
5284 })
5285 }
5286
5287 fn layout_hover_popovers(
5288 &self,
5289 snapshot: &EditorSnapshot,
5290 hitbox: &Hitbox,
5291 visible_display_row_range: Range<DisplayRow>,
5292 content_origin: gpui::Point<Pixels>,
5293 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5294 line_layouts: &[LineWithInvisibles],
5295 line_height: Pixels,
5296 em_width: Pixels,
5297 context_menu_layout: Option<ContextMenuLayout>,
5298 window: &mut Window,
5299 cx: &mut App,
5300 ) {
5301 struct MeasuredHoverPopover {
5302 element: AnyElement,
5303 size: Size<Pixels>,
5304 horizontal_offset: Pixels,
5305 }
5306
5307 let max_size = size(
5308 (120. * em_width) // Default size
5309 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5310 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5311 (16. * line_height) // Default size
5312 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5313 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5314 );
5315
5316 // Don't show hover popovers when context menu is open to avoid overlap
5317 let has_context_menu = self.editor.read(cx).mouse_context_menu.is_some();
5318 if has_context_menu {
5319 return;
5320 }
5321
5322 let hover_popovers = self.editor.update(cx, |editor, cx| {
5323 editor.hover_state.render(
5324 snapshot,
5325 visible_display_row_range.clone(),
5326 max_size,
5327 &editor.text_layout_details(window, cx),
5328 window,
5329 cx,
5330 )
5331 });
5332 let Some((popover_position, hover_popovers)) = hover_popovers else {
5333 return;
5334 };
5335
5336 // This is safe because we check on layout whether the required row is available
5337 let hovered_row_layout = &line_layouts[popover_position
5338 .row()
5339 .minus(visible_display_row_range.start)
5340 as usize];
5341
5342 // Compute Hovered Point
5343 let x = hovered_row_layout.x_for_index(popover_position.column() as usize)
5344 - Pixels::from(scroll_pixel_position.x);
5345 let y = Pixels::from(
5346 popover_position.row().as_f64() * ScrollPixelOffset::from(line_height)
5347 - scroll_pixel_position.y,
5348 );
5349 let hovered_point = content_origin + point(x, y);
5350
5351 let mut overall_height = Pixels::ZERO;
5352 let mut measured_hover_popovers = Vec::new();
5353 for (position, mut hover_popover) in hover_popovers.into_iter().with_position() {
5354 let size = hover_popover.layout_as_root(AvailableSpace::min_size(), window, cx);
5355 let horizontal_offset =
5356 (hitbox.top_right().x - POPOVER_RIGHT_OFFSET - (hovered_point.x + size.width))
5357 .min(Pixels::ZERO);
5358 match position {
5359 itertools::Position::Middle | itertools::Position::Last => {
5360 overall_height += HOVER_POPOVER_GAP
5361 }
5362 _ => {}
5363 }
5364 overall_height += size.height;
5365 measured_hover_popovers.push(MeasuredHoverPopover {
5366 element: hover_popover,
5367 size,
5368 horizontal_offset,
5369 });
5370 }
5371
5372 fn draw_occluder(
5373 width: Pixels,
5374 origin: gpui::Point<Pixels>,
5375 window: &mut Window,
5376 cx: &mut App,
5377 ) {
5378 let mut occlusion = div()
5379 .size_full()
5380 .occlude()
5381 .on_mouse_move(|_, _, cx| cx.stop_propagation())
5382 .into_any_element();
5383 occlusion.layout_as_root(size(width, HOVER_POPOVER_GAP).into(), window, cx);
5384 window.defer_draw(occlusion, origin, 2, None);
5385 }
5386
5387 fn place_popovers_above(
5388 hovered_point: gpui::Point<Pixels>,
5389 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5390 window: &mut Window,
5391 cx: &mut App,
5392 ) {
5393 let mut current_y = hovered_point.y;
5394 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5395 let size = popover.size;
5396 let popover_origin = point(
5397 hovered_point.x + popover.horizontal_offset,
5398 current_y - size.height,
5399 );
5400
5401 window.defer_draw(popover.element, popover_origin, 2, None);
5402 if position != itertools::Position::Last {
5403 let origin = point(popover_origin.x, popover_origin.y - HOVER_POPOVER_GAP);
5404 draw_occluder(size.width, origin, window, cx);
5405 }
5406
5407 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5408 }
5409 }
5410
5411 fn place_popovers_below(
5412 hovered_point: gpui::Point<Pixels>,
5413 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5414 line_height: Pixels,
5415 window: &mut Window,
5416 cx: &mut App,
5417 ) {
5418 let mut current_y = hovered_point.y + line_height;
5419 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5420 let size = popover.size;
5421 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5422
5423 window.defer_draw(popover.element, popover_origin, 2, None);
5424 if position != itertools::Position::Last {
5425 let origin = point(popover_origin.x, popover_origin.y + size.height);
5426 draw_occluder(size.width, origin, window, cx);
5427 }
5428
5429 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5430 }
5431 }
5432
5433 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5434 context_menu_layout
5435 .as_ref()
5436 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5437 };
5438
5439 let can_place_above = {
5440 let mut bounds_above = Vec::new();
5441 let mut current_y = hovered_point.y;
5442 for popover in &measured_hover_popovers {
5443 let size = popover.size;
5444 let popover_origin = point(
5445 hovered_point.x + popover.horizontal_offset,
5446 current_y - size.height,
5447 );
5448 bounds_above.push(Bounds::new(popover_origin, size));
5449 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5450 }
5451 bounds_above
5452 .iter()
5453 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5454 };
5455
5456 let can_place_below = || {
5457 let mut bounds_below = Vec::new();
5458 let mut current_y = hovered_point.y + line_height;
5459 for popover in &measured_hover_popovers {
5460 let size = popover.size;
5461 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5462 bounds_below.push(Bounds::new(popover_origin, size));
5463 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5464 }
5465 bounds_below
5466 .iter()
5467 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5468 };
5469
5470 if can_place_above {
5471 // try placing above hovered point
5472 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5473 } else if can_place_below() {
5474 // try placing below hovered point
5475 place_popovers_below(
5476 hovered_point,
5477 measured_hover_popovers,
5478 line_height,
5479 window,
5480 cx,
5481 );
5482 } else {
5483 // try to place popovers around the context menu
5484 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5485 let total_width = measured_hover_popovers
5486 .iter()
5487 .map(|p| p.size.width)
5488 .max()
5489 .unwrap_or(Pixels::ZERO);
5490 let y_for_horizontal_positioning = if menu.y_flipped {
5491 menu.bounds.bottom() - overall_height
5492 } else {
5493 menu.bounds.top()
5494 };
5495 let possible_origins = vec![
5496 // left of context menu
5497 point(
5498 menu.bounds.left() - total_width - HOVER_POPOVER_GAP,
5499 y_for_horizontal_positioning,
5500 ),
5501 // right of context menu
5502 point(
5503 menu.bounds.right() + HOVER_POPOVER_GAP,
5504 y_for_horizontal_positioning,
5505 ),
5506 // top of context menu
5507 point(
5508 menu.bounds.left(),
5509 menu.bounds.top() - overall_height - HOVER_POPOVER_GAP,
5510 ),
5511 // bottom of context menu
5512 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5513 ];
5514 possible_origins.into_iter().find(|&origin| {
5515 Bounds::new(origin, size(total_width, overall_height))
5516 .is_contained_within(hitbox)
5517 })
5518 });
5519 if let Some(origin) = origin_surrounding_menu {
5520 let mut current_y = origin.y;
5521 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5522 let size = popover.size;
5523 let popover_origin = point(origin.x, current_y);
5524
5525 window.defer_draw(popover.element, popover_origin, 2, None);
5526 if position != itertools::Position::Last {
5527 let origin = point(popover_origin.x, popover_origin.y + size.height);
5528 draw_occluder(size.width, origin, window, cx);
5529 }
5530
5531 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5532 }
5533 } else {
5534 // fallback to existing above/below cursor logic
5535 // this might overlap menu or overflow in rare case
5536 if can_place_above {
5537 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5538 } else {
5539 place_popovers_below(
5540 hovered_point,
5541 measured_hover_popovers,
5542 line_height,
5543 window,
5544 cx,
5545 );
5546 }
5547 }
5548 }
5549 }
5550
5551 fn layout_word_diff_highlights(
5552 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
5553 row_infos: &[RowInfo],
5554 start_row: DisplayRow,
5555 snapshot: &EditorSnapshot,
5556 highlighted_ranges: &mut Vec<(Range<DisplayPoint>, Hsla)>,
5557 cx: &mut App,
5558 ) {
5559 let colors = cx.theme().colors();
5560
5561 let word_highlights = display_hunks
5562 .into_iter()
5563 .filter_map(|(hunk, _)| match hunk {
5564 DisplayDiffHunk::Unfolded {
5565 word_diffs, status, ..
5566 } => Some((word_diffs, status)),
5567 _ => None,
5568 })
5569 .filter(|(_, status)| status.is_modified())
5570 .flat_map(|(word_diffs, _)| word_diffs)
5571 .flat_map(|word_diff| {
5572 let display_ranges = snapshot
5573 .display_snapshot
5574 .isomorphic_display_point_ranges_for_buffer_range(
5575 word_diff.start..word_diff.end,
5576 );
5577
5578 display_ranges.into_iter().filter_map(|range| {
5579 let start_row_offset = range.start.row().0.saturating_sub(start_row.0) as usize;
5580
5581 let diff_status = row_infos
5582 .get(start_row_offset)
5583 .and_then(|row_info| row_info.diff_status)?;
5584
5585 let background_color = match diff_status.kind {
5586 DiffHunkStatusKind::Added => colors.version_control_word_added,
5587 DiffHunkStatusKind::Deleted => colors.version_control_word_deleted,
5588 DiffHunkStatusKind::Modified => {
5589 debug_panic!("modified diff status for row info");
5590 return None;
5591 }
5592 };
5593
5594 Some((range, background_color))
5595 })
5596 });
5597
5598 highlighted_ranges.extend(word_highlights);
5599 }
5600
5601 fn layout_diff_hunk_controls(
5602 &self,
5603 row_range: Range<DisplayRow>,
5604 row_infos: &[RowInfo],
5605 text_hitbox: &Hitbox,
5606 newest_cursor_row: Option<DisplayRow>,
5607 line_height: Pixels,
5608 right_margin: Pixels,
5609 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5610 sticky_header_height: Pixels,
5611 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
5612 highlighted_rows: &BTreeMap<DisplayRow, LineHighlight>,
5613 editor: Entity<Editor>,
5614 window: &mut Window,
5615 cx: &mut App,
5616 ) -> (Vec<AnyElement>, Vec<(DisplayRow, Bounds<Pixels>)>) {
5617 let render_diff_hunk_controls = editor.read(cx).render_diff_hunk_controls.clone();
5618 let hovered_diff_hunk_row = editor.read(cx).hovered_diff_hunk_row;
5619 let sticky_top = text_hitbox.bounds.top() + sticky_header_height;
5620
5621 let mut controls = vec![];
5622 let mut control_bounds = vec![];
5623
5624 let active_rows = [hovered_diff_hunk_row, newest_cursor_row];
5625
5626 for (hunk, _) in display_hunks {
5627 if let DisplayDiffHunk::Unfolded {
5628 display_row_range,
5629 multi_buffer_range,
5630 status,
5631 is_created_file,
5632 ..
5633 } = &hunk
5634 {
5635 if display_row_range.start >= row_range.end {
5636 // hunk is fully below the viewport
5637 continue;
5638 }
5639 if display_row_range.end <= row_range.start {
5640 // hunk is fully above the viewport
5641 continue;
5642 }
5643 let row_ix = display_row_range.start.0.saturating_sub(row_range.start.0);
5644 if row_infos
5645 .get(row_ix as usize)
5646 .and_then(|row_info| row_info.diff_status)
5647 .is_none()
5648 {
5649 continue;
5650 }
5651 if highlighted_rows
5652 .get(&display_row_range.start)
5653 .and_then(|highlight| highlight.type_id)
5654 .is_some_and(|type_id| {
5655 [
5656 TypeId::of::<ConflictsOuter>(),
5657 TypeId::of::<ConflictsOursMarker>(),
5658 TypeId::of::<ConflictsOurs>(),
5659 TypeId::of::<ConflictsTheirs>(),
5660 TypeId::of::<ConflictsTheirsMarker>(),
5661 ]
5662 .contains(&type_id)
5663 })
5664 {
5665 continue;
5666 }
5667
5668 if active_rows
5669 .iter()
5670 .any(|row| row.is_some_and(|row| display_row_range.contains(&row)))
5671 {
5672 let hunk_start_y: Pixels = (display_row_range.start.as_f64()
5673 * ScrollPixelOffset::from(line_height)
5674 + ScrollPixelOffset::from(text_hitbox.bounds.top())
5675 - scroll_pixel_position.y)
5676 .into();
5677
5678 let y: Pixels = if hunk_start_y >= sticky_top {
5679 hunk_start_y
5680 } else {
5681 let hunk_end_y: Pixels = hunk_start_y
5682 + (display_row_range.len() as f64
5683 * ScrollPixelOffset::from(line_height))
5684 .into();
5685 let max_y = hunk_end_y - line_height;
5686 sticky_top.min(max_y)
5687 };
5688
5689 let mut element = render_diff_hunk_controls(
5690 display_row_range.start.0,
5691 status,
5692 multi_buffer_range.clone(),
5693 *is_created_file,
5694 line_height,
5695 &editor,
5696 window,
5697 cx,
5698 );
5699 let size =
5700 element.layout_as_root(size(px(100.0), line_height).into(), window, cx);
5701
5702 let x = text_hitbox.bounds.right() - right_margin - px(10.) - size.width;
5703
5704 if x < text_hitbox.bounds.left() {
5705 continue;
5706 }
5707
5708 let bounds = Bounds::new(gpui::Point::new(x, y), size);
5709 control_bounds.push((display_row_range.start, bounds));
5710
5711 window.with_absolute_element_offset(gpui::Point::new(x, y), |window| {
5712 element.prepaint(window, cx)
5713 });
5714 controls.push(element);
5715 }
5716 }
5717 }
5718
5719 (controls, control_bounds)
5720 }
5721
5722 fn layout_signature_help(
5723 &self,
5724 hitbox: &Hitbox,
5725 content_origin: gpui::Point<Pixels>,
5726 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5727 newest_selection_head: Option<DisplayPoint>,
5728 start_row: DisplayRow,
5729 line_layouts: &[LineWithInvisibles],
5730 line_height: Pixels,
5731 em_width: Pixels,
5732 context_menu_layout: Option<ContextMenuLayout>,
5733 window: &mut Window,
5734 cx: &mut App,
5735 ) {
5736 if !self.editor.focus_handle(cx).is_focused(window) {
5737 return;
5738 }
5739 let Some(newest_selection_head) = newest_selection_head else {
5740 return;
5741 };
5742
5743 let max_size = size(
5744 (120. * em_width) // Default size
5745 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5746 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5747 (16. * line_height) // Default size
5748 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5749 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5750 );
5751
5752 let maybe_element = self.editor.update(cx, |editor, cx| {
5753 if let Some(popover) = editor.signature_help_state.popover_mut() {
5754 let element = popover.render(max_size, window, cx);
5755 Some(element)
5756 } else {
5757 None
5758 }
5759 });
5760 let Some(mut element) = maybe_element else {
5761 return;
5762 };
5763
5764 let selection_row = newest_selection_head.row();
5765 let Some(cursor_row_layout) = (selection_row >= start_row)
5766 .then(|| line_layouts.get(selection_row.minus(start_row) as usize))
5767 .flatten()
5768 else {
5769 return;
5770 };
5771
5772 let target_x = cursor_row_layout.x_for_index(newest_selection_head.column() as usize)
5773 - Pixels::from(scroll_pixel_position.x);
5774 let target_y = Pixels::from(
5775 selection_row.as_f64() * ScrollPixelOffset::from(line_height) - scroll_pixel_position.y,
5776 );
5777 let target_point = content_origin + point(target_x, target_y);
5778
5779 let actual_size = element.layout_as_root(Size::<AvailableSpace>::default(), window, cx);
5780
5781 let (popover_bounds_above, popover_bounds_below) = {
5782 let horizontal_offset = (hitbox.top_right().x
5783 - POPOVER_RIGHT_OFFSET
5784 - (target_point.x + actual_size.width))
5785 .min(Pixels::ZERO);
5786 let initial_x = target_point.x + horizontal_offset;
5787 (
5788 Bounds::new(
5789 point(initial_x, target_point.y - actual_size.height),
5790 actual_size,
5791 ),
5792 Bounds::new(
5793 point(initial_x, target_point.y + line_height + HOVER_POPOVER_GAP),
5794 actual_size,
5795 ),
5796 )
5797 };
5798
5799 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5800 context_menu_layout
5801 .as_ref()
5802 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5803 };
5804
5805 let final_origin = if popover_bounds_above.is_contained_within(hitbox)
5806 && !intersects_menu(popover_bounds_above)
5807 {
5808 // try placing above cursor
5809 popover_bounds_above.origin
5810 } else if popover_bounds_below.is_contained_within(hitbox)
5811 && !intersects_menu(popover_bounds_below)
5812 {
5813 // try placing below cursor
5814 popover_bounds_below.origin
5815 } else {
5816 // try surrounding context menu if exists
5817 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5818 let y_for_horizontal_positioning = if menu.y_flipped {
5819 menu.bounds.bottom() - actual_size.height
5820 } else {
5821 menu.bounds.top()
5822 };
5823 let possible_origins = vec![
5824 // left of context menu
5825 point(
5826 menu.bounds.left() - actual_size.width - HOVER_POPOVER_GAP,
5827 y_for_horizontal_positioning,
5828 ),
5829 // right of context menu
5830 point(
5831 menu.bounds.right() + HOVER_POPOVER_GAP,
5832 y_for_horizontal_positioning,
5833 ),
5834 // top of context menu
5835 point(
5836 menu.bounds.left(),
5837 menu.bounds.top() - actual_size.height - HOVER_POPOVER_GAP,
5838 ),
5839 // bottom of context menu
5840 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5841 ];
5842 possible_origins
5843 .into_iter()
5844 .find(|&origin| Bounds::new(origin, actual_size).is_contained_within(hitbox))
5845 });
5846 origin_surrounding_menu.unwrap_or_else(|| {
5847 // fallback to existing above/below cursor logic
5848 // this might overlap menu or overflow in rare case
5849 if popover_bounds_above.is_contained_within(hitbox) {
5850 popover_bounds_above.origin
5851 } else {
5852 popover_bounds_below.origin
5853 }
5854 })
5855 };
5856
5857 window.defer_draw(element, final_origin, 2, None);
5858 }
5859
5860 fn paint_background(&self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
5861 window.paint_layer(layout.hitbox.bounds, |window| {
5862 let scroll_top = layout.position_map.snapshot.scroll_position().y;
5863 let gutter_bg = cx.theme().colors().editor_gutter_background;
5864 window.paint_quad(fill(layout.gutter_hitbox.bounds, gutter_bg));
5865 window.paint_quad(fill(
5866 layout.position_map.text_hitbox.bounds,
5867 self.style.background,
5868 ));
5869
5870 if matches!(
5871 layout.mode,
5872 EditorMode::Full { .. } | EditorMode::Minimap { .. }
5873 ) {
5874 let show_active_line_background = match layout.mode {
5875 EditorMode::Full {
5876 show_active_line_background,
5877 ..
5878 } => show_active_line_background,
5879 EditorMode::Minimap { .. } => true,
5880 _ => false,
5881 };
5882 let mut active_rows = layout.active_rows.iter().peekable();
5883 while let Some((start_row, contains_non_empty_selection)) = active_rows.next() {
5884 let mut end_row = start_row.0;
5885 while active_rows
5886 .peek()
5887 .is_some_and(|(active_row, has_selection)| {
5888 active_row.0 == end_row + 1
5889 && has_selection.selection == contains_non_empty_selection.selection
5890 })
5891 {
5892 active_rows.next().unwrap();
5893 end_row += 1;
5894 }
5895
5896 if show_active_line_background && !contains_non_empty_selection.selection {
5897 let highlight_h_range =
5898 match layout.position_map.snapshot.current_line_highlight {
5899 CurrentLineHighlight::Gutter => Some(Range {
5900 start: layout.hitbox.left(),
5901 end: layout.gutter_hitbox.right(),
5902 }),
5903 CurrentLineHighlight::Line => Some(Range {
5904 start: layout.position_map.text_hitbox.bounds.left(),
5905 end: layout.position_map.text_hitbox.bounds.right(),
5906 }),
5907 CurrentLineHighlight::All => Some(Range {
5908 start: layout.hitbox.left(),
5909 end: layout.hitbox.right(),
5910 }),
5911 CurrentLineHighlight::None => None,
5912 };
5913 if let Some(range) = highlight_h_range {
5914 let active_line_bg = cx.theme().colors().editor_active_line_background;
5915 let bounds = Bounds {
5916 origin: point(
5917 range.start,
5918 layout.hitbox.origin.y
5919 + Pixels::from(
5920 (start_row.as_f64() - scroll_top)
5921 * ScrollPixelOffset::from(
5922 layout.position_map.line_height,
5923 ),
5924 ),
5925 ),
5926 size: size(
5927 range.end - range.start,
5928 layout.position_map.line_height
5929 * (end_row - start_row.0 + 1) as f32,
5930 ),
5931 };
5932 window.paint_quad(fill(bounds, active_line_bg));
5933 }
5934 }
5935 }
5936
5937 let mut paint_highlight = |highlight_row_start: DisplayRow,
5938 highlight_row_end: DisplayRow,
5939 highlight: crate::LineHighlight,
5940 edges| {
5941 let mut origin_x = layout.hitbox.left();
5942 let mut width = layout.hitbox.size.width;
5943 if !highlight.include_gutter {
5944 origin_x += layout.gutter_hitbox.size.width;
5945 width -= layout.gutter_hitbox.size.width;
5946 }
5947
5948 let origin = point(
5949 origin_x,
5950 layout.hitbox.origin.y
5951 + Pixels::from(
5952 (highlight_row_start.as_f64() - scroll_top)
5953 * ScrollPixelOffset::from(layout.position_map.line_height),
5954 ),
5955 );
5956 let size = size(
5957 width,
5958 layout.position_map.line_height
5959 * highlight_row_end.next_row().minus(highlight_row_start) as f32,
5960 );
5961 let mut quad = fill(Bounds { origin, size }, highlight.background);
5962 if let Some(border_color) = highlight.border {
5963 quad.border_color = border_color;
5964 quad.border_widths = edges
5965 }
5966 window.paint_quad(quad);
5967 };
5968
5969 let mut current_paint: Option<(LineHighlight, Range<DisplayRow>, Edges<Pixels>)> =
5970 None;
5971 for (&new_row, &new_background) in &layout.highlighted_rows {
5972 match &mut current_paint {
5973 &mut Some((current_background, ref mut current_range, mut edges)) => {
5974 let new_range_started = current_background != new_background
5975 || current_range.end.next_row() != new_row;
5976 if new_range_started {
5977 if current_range.end.next_row() == new_row {
5978 edges.bottom = px(0.);
5979 };
5980 paint_highlight(
5981 current_range.start,
5982 current_range.end,
5983 current_background,
5984 edges,
5985 );
5986 let edges = Edges {
5987 top: if current_range.end.next_row() != new_row {
5988 px(1.)
5989 } else {
5990 px(0.)
5991 },
5992 bottom: px(1.),
5993 ..Default::default()
5994 };
5995 current_paint = Some((new_background, new_row..new_row, edges));
5996 continue;
5997 } else {
5998 current_range.end = current_range.end.next_row();
5999 }
6000 }
6001 None => {
6002 let edges = Edges {
6003 top: px(1.),
6004 bottom: px(1.),
6005 ..Default::default()
6006 };
6007 current_paint = Some((new_background, new_row..new_row, edges))
6008 }
6009 };
6010 }
6011 if let Some((color, range, edges)) = current_paint {
6012 paint_highlight(range.start, range.end, color, edges);
6013 }
6014
6015 for (guide_x, active) in layout.wrap_guides.iter() {
6016 let color = if *active {
6017 cx.theme().colors().editor_active_wrap_guide
6018 } else {
6019 cx.theme().colors().editor_wrap_guide
6020 };
6021 window.paint_quad(fill(
6022 Bounds {
6023 origin: point(*guide_x, layout.position_map.text_hitbox.origin.y),
6024 size: size(px(1.), layout.position_map.text_hitbox.size.height),
6025 },
6026 color,
6027 ));
6028 }
6029 }
6030 })
6031 }
6032
6033 fn paint_indent_guides(
6034 &mut self,
6035 layout: &mut EditorLayout,
6036 window: &mut Window,
6037 cx: &mut App,
6038 ) {
6039 let Some(indent_guides) = &layout.indent_guides else {
6040 return;
6041 };
6042
6043 let faded_color = |color: Hsla, alpha: f32| {
6044 let mut faded = color;
6045 faded.a = alpha;
6046 faded
6047 };
6048
6049 for indent_guide in indent_guides {
6050 let indent_accent_colors = cx.theme().accents().color_for_index(indent_guide.depth);
6051 let settings = &indent_guide.settings;
6052
6053 // TODO fixed for now, expose them through themes later
6054 const INDENT_AWARE_ALPHA: f32 = 0.2;
6055 const INDENT_AWARE_ACTIVE_ALPHA: f32 = 0.4;
6056 const INDENT_AWARE_BACKGROUND_ALPHA: f32 = 0.1;
6057 const INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA: f32 = 0.2;
6058
6059 let line_color = match (settings.coloring, indent_guide.active) {
6060 (IndentGuideColoring::Disabled, _) => None,
6061 (IndentGuideColoring::Fixed, false) => {
6062 Some(cx.theme().colors().editor_indent_guide)
6063 }
6064 (IndentGuideColoring::Fixed, true) => {
6065 Some(cx.theme().colors().editor_indent_guide_active)
6066 }
6067 (IndentGuideColoring::IndentAware, false) => {
6068 Some(faded_color(indent_accent_colors, INDENT_AWARE_ALPHA))
6069 }
6070 (IndentGuideColoring::IndentAware, true) => {
6071 Some(faded_color(indent_accent_colors, INDENT_AWARE_ACTIVE_ALPHA))
6072 }
6073 };
6074
6075 let background_color = match (settings.background_coloring, indent_guide.active) {
6076 (IndentGuideBackgroundColoring::Disabled, _) => None,
6077 (IndentGuideBackgroundColoring::IndentAware, false) => Some(faded_color(
6078 indent_accent_colors,
6079 INDENT_AWARE_BACKGROUND_ALPHA,
6080 )),
6081 (IndentGuideBackgroundColoring::IndentAware, true) => Some(faded_color(
6082 indent_accent_colors,
6083 INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA,
6084 )),
6085 };
6086
6087 let mut line_indicator_width = 0.;
6088 if let Some(requested_line_width) = settings.visible_line_width(indent_guide.active) {
6089 if let Some(color) = line_color {
6090 window.paint_quad(fill(
6091 Bounds {
6092 origin: indent_guide.origin,
6093 size: size(px(requested_line_width as f32), indent_guide.length),
6094 },
6095 color,
6096 ));
6097 line_indicator_width = requested_line_width as f32;
6098 }
6099 }
6100
6101 if let Some(color) = background_color {
6102 let width = indent_guide.single_indent_width - px(line_indicator_width);
6103 window.paint_quad(fill(
6104 Bounds {
6105 origin: point(
6106 indent_guide.origin.x + px(line_indicator_width),
6107 indent_guide.origin.y,
6108 ),
6109 size: size(width, indent_guide.length),
6110 },
6111 color,
6112 ));
6113 }
6114 }
6115 }
6116
6117 fn paint_line_numbers(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6118 let is_singleton = self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
6119
6120 let line_height = layout.position_map.line_height;
6121 window.set_cursor_style(CursorStyle::Arrow, &layout.gutter_hitbox);
6122
6123 for line_layout in layout.line_numbers.values() {
6124 for LineNumberSegment {
6125 shaped_line,
6126 hitbox,
6127 } in &line_layout.segments
6128 {
6129 let Some(hitbox) = hitbox else {
6130 continue;
6131 };
6132
6133 let Some(()) = (if !is_singleton && hitbox.is_hovered(window) {
6134 let color = cx.theme().colors().editor_hover_line_number;
6135
6136 let line = self.shape_line_number(shaped_line.text.clone(), color, window);
6137 line.paint(
6138 hitbox.origin,
6139 line_height,
6140 TextAlign::Left,
6141 None,
6142 window,
6143 cx,
6144 )
6145 .log_err()
6146 } else {
6147 shaped_line
6148 .paint(
6149 hitbox.origin,
6150 line_height,
6151 TextAlign::Left,
6152 None,
6153 window,
6154 cx,
6155 )
6156 .log_err()
6157 }) else {
6158 continue;
6159 };
6160
6161 // In singleton buffers, we select corresponding lines on the line number click, so use | -like cursor.
6162 // In multi buffers, we open file at the line number clicked, so use a pointing hand cursor.
6163 if is_singleton {
6164 window.set_cursor_style(CursorStyle::IBeam, hitbox);
6165 } else {
6166 window.set_cursor_style(CursorStyle::PointingHand, hitbox);
6167 }
6168 }
6169 }
6170 }
6171
6172 fn paint_gutter_diff_hunks(
6173 layout: &mut EditorLayout,
6174 split_side: Option<SplitSide>,
6175 window: &mut Window,
6176 cx: &mut App,
6177 ) {
6178 if layout.display_hunks.is_empty() {
6179 return;
6180 }
6181
6182 let line_height = layout.position_map.line_height;
6183 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6184 for (hunk, hitbox) in &layout.display_hunks {
6185 let hunk_to_paint = match hunk {
6186 DisplayDiffHunk::Folded { .. } => {
6187 let hunk_bounds = Self::diff_hunk_bounds(
6188 &layout.position_map.snapshot,
6189 line_height,
6190 layout.gutter_hitbox.bounds,
6191 hunk,
6192 );
6193 Some((
6194 hunk_bounds,
6195 cx.theme().colors().version_control_modified,
6196 Corners::all(px(0.)),
6197 DiffHunkStatus::modified_none(),
6198 ))
6199 }
6200 DisplayDiffHunk::Unfolded {
6201 status,
6202 display_row_range,
6203 ..
6204 } => hitbox.as_ref().map(|hunk_hitbox| {
6205 let color = match split_side {
6206 Some(SplitSide::Left) => cx.theme().colors().version_control_deleted,
6207 Some(SplitSide::Right) => cx.theme().colors().version_control_added,
6208 None => match status.kind {
6209 DiffHunkStatusKind::Added => {
6210 cx.theme().colors().version_control_added
6211 }
6212 DiffHunkStatusKind::Modified => {
6213 cx.theme().colors().version_control_modified
6214 }
6215 DiffHunkStatusKind::Deleted => {
6216 cx.theme().colors().version_control_deleted
6217 }
6218 },
6219 };
6220 match status.kind {
6221 DiffHunkStatusKind::Deleted if display_row_range.is_empty() => (
6222 Bounds::new(
6223 point(
6224 hunk_hitbox.origin.x - hunk_hitbox.size.width,
6225 hunk_hitbox.origin.y,
6226 ),
6227 size(hunk_hitbox.size.width * 2., hunk_hitbox.size.height),
6228 ),
6229 color,
6230 Corners::all(1. * line_height),
6231 *status,
6232 ),
6233 _ => (hunk_hitbox.bounds, color, Corners::all(px(0.)), *status),
6234 }
6235 }),
6236 };
6237
6238 if let Some((hunk_bounds, background_color, corner_radii, status)) = hunk_to_paint {
6239 // Flatten the background color with the editor color to prevent
6240 // elements below transparent hunks from showing through
6241 let flattened_background_color = cx
6242 .theme()
6243 .colors()
6244 .editor_background
6245 .blend(background_color);
6246
6247 if !Self::diff_hunk_hollow(status, cx) {
6248 window.paint_quad(quad(
6249 hunk_bounds,
6250 corner_radii,
6251 flattened_background_color,
6252 Edges::default(),
6253 transparent_black(),
6254 BorderStyle::default(),
6255 ));
6256 } else {
6257 let flattened_unstaged_background_color = cx
6258 .theme()
6259 .colors()
6260 .editor_background
6261 .blend(background_color.opacity(0.3));
6262
6263 window.paint_quad(quad(
6264 hunk_bounds,
6265 corner_radii,
6266 flattened_unstaged_background_color,
6267 Edges::all(px(1.0)),
6268 flattened_background_color,
6269 BorderStyle::Solid,
6270 ));
6271 }
6272 }
6273 }
6274 });
6275 }
6276
6277 fn gutter_strip_width(line_height: Pixels) -> Pixels {
6278 (0.275 * line_height).floor()
6279 }
6280
6281 fn diff_hunk_bounds(
6282 snapshot: &EditorSnapshot,
6283 line_height: Pixels,
6284 gutter_bounds: Bounds<Pixels>,
6285 hunk: &DisplayDiffHunk,
6286 ) -> Bounds<Pixels> {
6287 let scroll_position = snapshot.scroll_position();
6288 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
6289 let gutter_strip_width = Self::gutter_strip_width(line_height);
6290
6291 match hunk {
6292 DisplayDiffHunk::Folded { display_row, .. } => {
6293 let start_y = (display_row.as_f64() * ScrollPixelOffset::from(line_height)
6294 - scroll_top)
6295 .into();
6296 let end_y = start_y + line_height;
6297 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6298 let highlight_size = size(gutter_strip_width, end_y - start_y);
6299 Bounds::new(highlight_origin, highlight_size)
6300 }
6301 DisplayDiffHunk::Unfolded {
6302 display_row_range,
6303 status,
6304 ..
6305 } => {
6306 if status.is_deleted() && display_row_range.is_empty() {
6307 let row = display_row_range.start;
6308
6309 let offset = ScrollPixelOffset::from(line_height / 2.);
6310 let start_y =
6311 (row.as_f64() * ScrollPixelOffset::from(line_height) - offset - scroll_top)
6312 .into();
6313 let end_y = start_y + line_height;
6314
6315 let width = (0.35 * line_height).floor();
6316 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6317 let highlight_size = size(width, end_y - start_y);
6318 Bounds::new(highlight_origin, highlight_size)
6319 } else {
6320 let start_row = display_row_range.start;
6321 let end_row = display_row_range.end;
6322 // If we're in a multibuffer, row range span might include an
6323 // excerpt header, so if we were to draw the marker straight away,
6324 // the hunk might include the rows of that header.
6325 // Making the range inclusive doesn't quite cut it, as we rely on the exclusivity for the soft wrap.
6326 // Instead, we simply check whether the range we're dealing with includes
6327 // any excerpt headers and if so, we stop painting the diff hunk on the first row of that header.
6328 let end_row_in_current_excerpt = snapshot
6329 .blocks_in_range(start_row..end_row)
6330 .find_map(|(start_row, block)| {
6331 if matches!(
6332 block,
6333 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
6334 ) {
6335 Some(start_row)
6336 } else {
6337 None
6338 }
6339 })
6340 .unwrap_or(end_row);
6341
6342 let start_y = (start_row.as_f64() * ScrollPixelOffset::from(line_height)
6343 - scroll_top)
6344 .into();
6345 let end_y = Pixels::from(
6346 end_row_in_current_excerpt.as_f64() * ScrollPixelOffset::from(line_height)
6347 - scroll_top,
6348 );
6349
6350 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6351 let highlight_size = size(gutter_strip_width, end_y - start_y);
6352 Bounds::new(highlight_origin, highlight_size)
6353 }
6354 }
6355 }
6356 }
6357
6358 fn paint_gutter_indicators(
6359 &self,
6360 layout: &mut EditorLayout,
6361 window: &mut Window,
6362 cx: &mut App,
6363 ) {
6364 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6365 window.with_element_namespace("crease_toggles", |window| {
6366 for crease_toggle in layout.crease_toggles.iter_mut().flatten() {
6367 crease_toggle.paint(window, cx);
6368 }
6369 });
6370
6371 window.with_element_namespace("expand_toggles", |window| {
6372 for (expand_toggle, _) in layout.expand_toggles.iter_mut().flatten() {
6373 expand_toggle.paint(window, cx);
6374 }
6375 });
6376
6377 for bookmark in layout.bookmarks.iter_mut() {
6378 bookmark.paint(window, cx);
6379 }
6380
6381 for breakpoint in layout.breakpoints.iter_mut() {
6382 breakpoint.paint(window, cx);
6383 }
6384
6385 for test_indicator in layout.test_indicators.iter_mut() {
6386 test_indicator.paint(window, cx);
6387 }
6388
6389 if let Some(diff_review_button) = layout.diff_review_button.as_mut() {
6390 diff_review_button.paint(window, cx);
6391 }
6392 });
6393 }
6394
6395 fn paint_gutter_highlights(
6396 &self,
6397 layout: &mut EditorLayout,
6398 window: &mut Window,
6399 cx: &mut App,
6400 ) {
6401 for (_, hunk_hitbox) in &layout.display_hunks {
6402 if let Some(hunk_hitbox) = hunk_hitbox
6403 && !self
6404 .editor
6405 .read(cx)
6406 .buffer()
6407 .read(cx)
6408 .all_diff_hunks_expanded()
6409 {
6410 window.set_cursor_style(CursorStyle::PointingHand, hunk_hitbox);
6411 }
6412 }
6413
6414 let show_git_gutter = layout
6415 .position_map
6416 .snapshot
6417 .show_git_diff_gutter
6418 .unwrap_or_else(|| {
6419 matches!(
6420 ProjectSettings::get_global(cx).git.git_gutter,
6421 GitGutterSetting::TrackedFiles
6422 )
6423 });
6424 if show_git_gutter {
6425 Self::paint_gutter_diff_hunks(layout, self.split_side, window, cx)
6426 }
6427
6428 let highlight_width = 0.275 * layout.position_map.line_height;
6429 let highlight_corner_radii = Corners::all(0.05 * layout.position_map.line_height);
6430 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6431 for (range, color) in &layout.highlighted_gutter_ranges {
6432 let start_row = if range.start.row() < layout.visible_display_row_range.start {
6433 layout.visible_display_row_range.start - DisplayRow(1)
6434 } else {
6435 range.start.row()
6436 };
6437 let end_row = if range.end.row() > layout.visible_display_row_range.end {
6438 layout.visible_display_row_range.end + DisplayRow(1)
6439 } else {
6440 range.end.row()
6441 };
6442
6443 let start_y = layout.gutter_hitbox.top()
6444 + Pixels::from(
6445 start_row.0 as f64
6446 * ScrollPixelOffset::from(layout.position_map.line_height)
6447 - layout.position_map.scroll_pixel_position.y,
6448 );
6449 let end_y = layout.gutter_hitbox.top()
6450 + Pixels::from(
6451 (end_row.0 + 1) as f64
6452 * ScrollPixelOffset::from(layout.position_map.line_height)
6453 - layout.position_map.scroll_pixel_position.y,
6454 );
6455 let bounds = Bounds::from_corners(
6456 point(layout.gutter_hitbox.left(), start_y),
6457 point(layout.gutter_hitbox.left() + highlight_width, end_y),
6458 );
6459 window.paint_quad(fill(bounds, *color).corner_radii(highlight_corner_radii));
6460 }
6461 });
6462 }
6463
6464 fn paint_blamed_display_rows(
6465 &self,
6466 layout: &mut EditorLayout,
6467 window: &mut Window,
6468 cx: &mut App,
6469 ) {
6470 let Some(blamed_display_rows) = layout.blamed_display_rows.take() else {
6471 return;
6472 };
6473
6474 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6475 for mut blame_element in blamed_display_rows.into_iter() {
6476 blame_element.paint(window, cx);
6477 }
6478 })
6479 }
6480
6481 fn paint_text(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6482 window.with_content_mask(
6483 Some(ContentMask {
6484 bounds: layout.position_map.text_hitbox.bounds,
6485 }),
6486 |window| {
6487 let editor = self.editor.read(cx);
6488 if editor.mouse_cursor_hidden {
6489 window.set_window_cursor_style(CursorStyle::None);
6490 } else if let SelectionDragState::ReadyToDrag {
6491 mouse_down_time, ..
6492 } = &editor.selection_drag_state
6493 {
6494 let drag_and_drop_delay = Duration::from_millis(
6495 EditorSettings::get_global(cx)
6496 .drag_and_drop_selection
6497 .delay
6498 .0,
6499 );
6500 if mouse_down_time.elapsed() >= drag_and_drop_delay {
6501 window.set_cursor_style(
6502 CursorStyle::DragCopy,
6503 &layout.position_map.text_hitbox,
6504 );
6505 }
6506 } else if matches!(
6507 editor.selection_drag_state,
6508 SelectionDragState::Dragging { .. }
6509 ) {
6510 window
6511 .set_cursor_style(CursorStyle::DragCopy, &layout.position_map.text_hitbox);
6512 } else if editor
6513 .hovered_link_state
6514 .as_ref()
6515 .is_some_and(|hovered_link_state| !hovered_link_state.links.is_empty())
6516 {
6517 window.set_cursor_style(
6518 CursorStyle::PointingHand,
6519 &layout.position_map.text_hitbox,
6520 );
6521 } else {
6522 window.set_cursor_style(CursorStyle::IBeam, &layout.position_map.text_hitbox);
6523 };
6524
6525 self.paint_lines_background(layout, window, cx);
6526 let invisible_display_ranges = self.paint_highlights(layout, window, cx);
6527 self.paint_document_colors(layout, window);
6528 self.paint_lines(&invisible_display_ranges, layout, window, cx);
6529 self.paint_redactions(layout, window);
6530 self.paint_cursors(layout, window, cx);
6531 self.paint_inline_diagnostics(layout, window, cx);
6532 self.paint_inline_blame(layout, window, cx);
6533 self.paint_inline_code_actions(layout, window, cx);
6534 self.paint_diff_hunk_controls(layout, window, cx);
6535 window.with_element_namespace("crease_trailers", |window| {
6536 for trailer in layout.crease_trailers.iter_mut().flatten() {
6537 trailer.element.paint(window, cx);
6538 }
6539 });
6540 },
6541 )
6542 }
6543
6544 fn paint_highlights(
6545 &mut self,
6546 layout: &mut EditorLayout,
6547 window: &mut Window,
6548 cx: &mut App,
6549 ) -> SmallVec<[Range<DisplayPoint>; 32]> {
6550 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6551 let mut invisible_display_ranges = SmallVec::<[Range<DisplayPoint>; 32]>::new();
6552 let line_end_overshoot = 0.15 * layout.position_map.line_height;
6553 for (range, color) in &layout.highlighted_ranges {
6554 self.paint_highlighted_range(
6555 range.clone(),
6556 true,
6557 *color,
6558 Pixels::ZERO,
6559 line_end_overshoot,
6560 layout,
6561 window,
6562 );
6563 }
6564
6565 let corner_radius = if EditorSettings::get_global(cx).rounded_selection {
6566 0.15 * layout.position_map.line_height
6567 } else {
6568 Pixels::ZERO
6569 };
6570
6571 for (player_color, selections) in &layout.selections {
6572 for selection in selections.iter() {
6573 self.paint_highlighted_range(
6574 selection.range.clone(),
6575 true,
6576 player_color.selection,
6577 corner_radius,
6578 corner_radius * 2.,
6579 layout,
6580 window,
6581 );
6582
6583 if selection.is_local && !selection.range.is_empty() {
6584 invisible_display_ranges.push(selection.range.clone());
6585 }
6586 }
6587 }
6588 invisible_display_ranges
6589 })
6590 }
6591
6592 fn paint_lines(
6593 &mut self,
6594 invisible_display_ranges: &[Range<DisplayPoint>],
6595 layout: &mut EditorLayout,
6596 window: &mut Window,
6597 cx: &mut App,
6598 ) {
6599 let whitespace_setting = self
6600 .editor
6601 .read(cx)
6602 .buffer
6603 .read(cx)
6604 .language_settings(cx)
6605 .show_whitespaces;
6606
6607 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6608 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6609 line_with_invisibles.draw(
6610 layout,
6611 row,
6612 layout.content_origin,
6613 whitespace_setting,
6614 invisible_display_ranges,
6615 window,
6616 cx,
6617 )
6618 }
6619
6620 for line_element in &mut layout.line_elements {
6621 line_element.paint(window, cx);
6622 }
6623 }
6624
6625 fn paint_sticky_headers(
6626 &mut self,
6627 layout: &mut EditorLayout,
6628 window: &mut Window,
6629 cx: &mut App,
6630 ) {
6631 let Some(mut sticky_headers) = layout.sticky_headers.take() else {
6632 return;
6633 };
6634
6635 if sticky_headers.lines.is_empty() {
6636 layout.sticky_headers = Some(sticky_headers);
6637 return;
6638 }
6639
6640 let whitespace_setting = self
6641 .editor
6642 .read(cx)
6643 .buffer
6644 .read(cx)
6645 .language_settings(cx)
6646 .show_whitespaces;
6647 sticky_headers.paint(layout, whitespace_setting, window, cx);
6648
6649 let sticky_header_hitboxes: Vec<Hitbox> = sticky_headers
6650 .lines
6651 .iter()
6652 .map(|line| line.hitbox.clone())
6653 .collect();
6654 let hovered_hitbox = sticky_header_hitboxes
6655 .iter()
6656 .find_map(|hitbox| hitbox.is_hovered(window).then_some(hitbox.id));
6657
6658 window.on_mouse_event(move |_: &MouseMoveEvent, phase, window, _cx| {
6659 if !phase.bubble() {
6660 return;
6661 }
6662
6663 let current_hover = sticky_header_hitboxes
6664 .iter()
6665 .find_map(|hitbox| hitbox.is_hovered(window).then_some(hitbox.id));
6666 if hovered_hitbox != current_hover {
6667 window.refresh();
6668 }
6669 });
6670
6671 let position_map = layout.position_map.clone();
6672
6673 for (line_index, line) in sticky_headers.lines.iter().enumerate() {
6674 let editor = self.editor.clone();
6675 let hitbox = line.hitbox.clone();
6676 let row = line.row;
6677 let line_layout = line.line.clone();
6678 let position_map = position_map.clone();
6679 window.on_mouse_event(move |event: &MouseDownEvent, phase, window, cx| {
6680 if !phase.bubble() {
6681 return;
6682 }
6683
6684 if event.button == MouseButton::Left && hitbox.is_hovered(window) {
6685 let point_for_position =
6686 position_map.point_for_position_on_line(event.position, row, &line_layout);
6687
6688 editor.update(cx, |editor, cx| {
6689 let snapshot = editor.snapshot(window, cx);
6690 let anchor = snapshot
6691 .display_snapshot
6692 .display_point_to_anchor(point_for_position.nearest_valid, Bias::Left);
6693 editor.change_selections(
6694 SelectionEffects::scroll(Autoscroll::top_relative(line_index)),
6695 window,
6696 cx,
6697 |selections| {
6698 selections.clear_disjoint();
6699 selections.set_pending_anchor_range(
6700 anchor..anchor,
6701 crate::SelectMode::Character,
6702 );
6703 },
6704 );
6705 cx.stop_propagation();
6706 });
6707 }
6708 });
6709 }
6710
6711 let text_bounds = layout.position_map.text_hitbox.bounds;
6712 let border_top = text_bounds.top()
6713 + sticky_headers.lines.last().unwrap().offset
6714 + layout.position_map.line_height;
6715 let separator_height = px(1.);
6716 let border_bounds = Bounds::from_corners(
6717 point(layout.gutter_hitbox.bounds.left(), border_top),
6718 point(text_bounds.right(), border_top + separator_height),
6719 );
6720 window.paint_quad(fill(border_bounds, cx.theme().colors().border_variant));
6721
6722 layout.sticky_headers = Some(sticky_headers);
6723 }
6724
6725 fn paint_lines_background(
6726 &mut self,
6727 layout: &mut EditorLayout,
6728 window: &mut Window,
6729 cx: &mut App,
6730 ) {
6731 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6732 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6733 line_with_invisibles.draw_background(layout, row, layout.content_origin, window, cx);
6734 }
6735 }
6736
6737 fn paint_redactions(&mut self, layout: &EditorLayout, window: &mut Window) {
6738 if layout.redacted_ranges.is_empty() {
6739 return;
6740 }
6741
6742 let line_end_overshoot = layout.line_end_overshoot();
6743
6744 // A softer than perfect black
6745 let redaction_color = gpui::rgb(0x0e1111);
6746
6747 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6748 for range in layout.redacted_ranges.iter() {
6749 self.paint_highlighted_range(
6750 range.clone(),
6751 true,
6752 redaction_color.into(),
6753 Pixels::ZERO,
6754 line_end_overshoot,
6755 layout,
6756 window,
6757 );
6758 }
6759 });
6760 }
6761
6762 fn paint_document_colors(&self, layout: &mut EditorLayout, window: &mut Window) {
6763 let Some((colors_render_mode, image_colors)) = &layout.document_colors else {
6764 return;
6765 };
6766 if image_colors.is_empty()
6767 || colors_render_mode == &DocumentColorsRenderMode::None
6768 || colors_render_mode == &DocumentColorsRenderMode::Inlay
6769 {
6770 return;
6771 }
6772
6773 let line_end_overshoot = layout.line_end_overshoot();
6774
6775 for (range, color) in image_colors {
6776 match colors_render_mode {
6777 DocumentColorsRenderMode::Inlay | DocumentColorsRenderMode::None => return,
6778 DocumentColorsRenderMode::Background => {
6779 self.paint_highlighted_range(
6780 range.clone(),
6781 true,
6782 *color,
6783 Pixels::ZERO,
6784 line_end_overshoot,
6785 layout,
6786 window,
6787 );
6788 }
6789 DocumentColorsRenderMode::Border => {
6790 self.paint_highlighted_range(
6791 range.clone(),
6792 false,
6793 *color,
6794 Pixels::ZERO,
6795 line_end_overshoot,
6796 layout,
6797 window,
6798 );
6799 }
6800 }
6801 }
6802 }
6803
6804 fn paint_cursors(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6805 for cursor in &mut layout.visible_cursors {
6806 cursor.paint(layout.content_origin, window, cx);
6807 }
6808 }
6809
6810 fn paint_scrollbars(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6811 let Some(scrollbars_layout) = layout.scrollbars_layout.take() else {
6812 return;
6813 };
6814 let any_scrollbar_dragged = self.editor.read(cx).scroll_manager.any_scrollbar_dragged();
6815
6816 for (scrollbar_layout, axis) in scrollbars_layout.iter_scrollbars() {
6817 let hitbox = &scrollbar_layout.hitbox;
6818 if scrollbars_layout.visible {
6819 let scrollbar_edges = match axis {
6820 ScrollbarAxis::Horizontal => Edges {
6821 top: Pixels::ZERO,
6822 right: Pixels::ZERO,
6823 bottom: Pixels::ZERO,
6824 left: Pixels::ZERO,
6825 },
6826 ScrollbarAxis::Vertical => Edges {
6827 top: Pixels::ZERO,
6828 right: Pixels::ZERO,
6829 bottom: Pixels::ZERO,
6830 left: ScrollbarLayout::BORDER_WIDTH,
6831 },
6832 };
6833
6834 window.paint_layer(hitbox.bounds, |window| {
6835 window.paint_quad(quad(
6836 hitbox.bounds,
6837 Corners::default(),
6838 cx.theme().colors().scrollbar_track_background,
6839 scrollbar_edges,
6840 cx.theme().colors().scrollbar_track_border,
6841 BorderStyle::Solid,
6842 ));
6843
6844 if axis == ScrollbarAxis::Vertical {
6845 let fast_markers =
6846 self.collect_fast_scrollbar_markers(layout, scrollbar_layout, cx);
6847 // Refresh slow scrollbar markers in the background. Below, we
6848 // paint whatever markers have already been computed.
6849 self.refresh_slow_scrollbar_markers(layout, scrollbar_layout, window, cx);
6850
6851 let markers = self.editor.read(cx).scrollbar_marker_state.markers.clone();
6852 for marker in markers.iter().chain(&fast_markers) {
6853 let mut marker = marker.clone();
6854 marker.bounds.origin += hitbox.origin;
6855 window.paint_quad(marker);
6856 }
6857 }
6858
6859 if let Some(thumb_bounds) = scrollbar_layout.thumb_bounds {
6860 let scrollbar_thumb_color = match scrollbar_layout.thumb_state {
6861 ScrollbarThumbState::Dragging => {
6862 cx.theme().colors().scrollbar_thumb_active_background
6863 }
6864 ScrollbarThumbState::Hovered => {
6865 cx.theme().colors().scrollbar_thumb_hover_background
6866 }
6867 ScrollbarThumbState::Idle => {
6868 cx.theme().colors().scrollbar_thumb_background
6869 }
6870 };
6871 window.paint_quad(quad(
6872 thumb_bounds,
6873 Corners::default(),
6874 scrollbar_thumb_color,
6875 scrollbar_edges,
6876 cx.theme().colors().scrollbar_thumb_border,
6877 BorderStyle::Solid,
6878 ));
6879
6880 if any_scrollbar_dragged {
6881 window.set_window_cursor_style(CursorStyle::Arrow);
6882 } else {
6883 window.set_cursor_style(CursorStyle::Arrow, hitbox);
6884 }
6885 }
6886 })
6887 }
6888 }
6889
6890 window.on_mouse_event({
6891 let editor = self.editor.clone();
6892 let scrollbars_layout = scrollbars_layout.clone();
6893
6894 let mut mouse_position = window.mouse_position();
6895 move |event: &MouseMoveEvent, phase, window, cx| {
6896 if phase == DispatchPhase::Capture {
6897 return;
6898 }
6899
6900 editor.update(cx, |editor, cx| {
6901 if let Some((scrollbar_layout, axis)) = event
6902 .pressed_button
6903 .filter(|button| *button == MouseButton::Left)
6904 .and(editor.scroll_manager.dragging_scrollbar_axis())
6905 .and_then(|axis| {
6906 scrollbars_layout
6907 .iter_scrollbars()
6908 .find(|(_, a)| *a == axis)
6909 })
6910 {
6911 let ScrollbarLayout {
6912 hitbox,
6913 text_unit_size,
6914 ..
6915 } = scrollbar_layout;
6916
6917 let old_position = mouse_position.along(axis);
6918 let new_position = event.position.along(axis);
6919 if (hitbox.origin.along(axis)..hitbox.bottom_right().along(axis))
6920 .contains(&old_position)
6921 {
6922 let position = editor.scroll_position(cx).apply_along(axis, |p| {
6923 (p + ScrollOffset::from(
6924 (new_position - old_position) / *text_unit_size,
6925 ))
6926 .max(0.)
6927 });
6928 editor.set_scroll_position(position, window, cx);
6929 }
6930
6931 editor.scroll_manager.show_scrollbars(window, cx);
6932 cx.stop_propagation();
6933 } else if let Some((layout, axis)) = scrollbars_layout
6934 .get_hovered_axis(window)
6935 .filter(|_| !event.dragging())
6936 {
6937 if layout.thumb_hovered(&event.position) {
6938 editor
6939 .scroll_manager
6940 .set_hovered_scroll_thumb_axis(axis, cx);
6941 } else {
6942 editor.scroll_manager.reset_scrollbar_state(cx);
6943 }
6944
6945 editor.scroll_manager.show_scrollbars(window, cx);
6946 } else {
6947 editor.scroll_manager.reset_scrollbar_state(cx);
6948 }
6949
6950 mouse_position = event.position;
6951 })
6952 }
6953 });
6954
6955 if any_scrollbar_dragged {
6956 window.on_mouse_event({
6957 let editor = self.editor.clone();
6958 move |_: &MouseUpEvent, phase, window, cx| {
6959 if phase == DispatchPhase::Capture {
6960 return;
6961 }
6962
6963 editor.update(cx, |editor, cx| {
6964 if let Some((_, axis)) = scrollbars_layout.get_hovered_axis(window) {
6965 editor
6966 .scroll_manager
6967 .set_hovered_scroll_thumb_axis(axis, cx);
6968 } else {
6969 editor.scroll_manager.reset_scrollbar_state(cx);
6970 }
6971 cx.stop_propagation();
6972 });
6973 }
6974 });
6975 } else {
6976 window.on_mouse_event({
6977 let editor = self.editor.clone();
6978
6979 move |event: &MouseDownEvent, phase, window, cx| {
6980 if phase == DispatchPhase::Capture {
6981 return;
6982 }
6983 let Some((scrollbar_layout, axis)) = scrollbars_layout.get_hovered_axis(window)
6984 else {
6985 return;
6986 };
6987
6988 let ScrollbarLayout {
6989 hitbox,
6990 visible_range,
6991 text_unit_size,
6992 thumb_bounds,
6993 ..
6994 } = scrollbar_layout;
6995
6996 let Some(thumb_bounds) = thumb_bounds else {
6997 return;
6998 };
6999
7000 editor.update(cx, |editor, cx| {
7001 editor
7002 .scroll_manager
7003 .set_dragged_scroll_thumb_axis(axis, cx);
7004
7005 let event_position = event.position.along(axis);
7006
7007 if event_position < thumb_bounds.origin.along(axis)
7008 || thumb_bounds.bottom_right().along(axis) < event_position
7009 {
7010 let center_position = ((event_position - hitbox.origin.along(axis))
7011 / *text_unit_size)
7012 .round() as u32;
7013 let start_position = center_position.saturating_sub(
7014 (visible_range.end - visible_range.start) as u32 / 2,
7015 );
7016
7017 let position = editor
7018 .scroll_position(cx)
7019 .apply_along(axis, |_| start_position as ScrollOffset);
7020
7021 editor.set_scroll_position(position, window, cx);
7022 } else {
7023 editor.scroll_manager.show_scrollbars(window, cx);
7024 }
7025
7026 cx.stop_propagation();
7027 });
7028 }
7029 });
7030 }
7031 }
7032
7033 fn collect_fast_scrollbar_markers(
7034 &self,
7035 layout: &EditorLayout,
7036 scrollbar_layout: &ScrollbarLayout,
7037 cx: &mut App,
7038 ) -> Vec<PaintQuad> {
7039 const LIMIT: usize = 100;
7040 if !EditorSettings::get_global(cx).scrollbar.cursors || layout.cursors.len() > LIMIT {
7041 return vec![];
7042 }
7043 let cursor_ranges = layout
7044 .cursors
7045 .iter()
7046 .map(|(point, color)| ColoredRange {
7047 start: point.row(),
7048 end: point.row(),
7049 color: *color,
7050 })
7051 .collect_vec();
7052 scrollbar_layout.marker_quads_for_ranges(cursor_ranges, None)
7053 }
7054
7055 fn refresh_slow_scrollbar_markers(
7056 &self,
7057 layout: &EditorLayout,
7058 scrollbar_layout: &ScrollbarLayout,
7059 window: &mut Window,
7060 cx: &mut App,
7061 ) {
7062 self.editor.update(cx, |editor, cx| {
7063 if editor.buffer_kind(cx) != ItemBufferKind::Singleton
7064 || !editor
7065 .scrollbar_marker_state
7066 .should_refresh(scrollbar_layout.hitbox.size)
7067 {
7068 return;
7069 }
7070
7071 let scrollbar_layout = scrollbar_layout.clone();
7072 let background_highlights = editor.background_highlights.clone();
7073 let snapshot = layout.position_map.snapshot.clone();
7074 let theme = cx.theme().clone();
7075 let scrollbar_settings = EditorSettings::get_global(cx).scrollbar;
7076
7077 editor.scrollbar_marker_state.dirty = false;
7078 editor.scrollbar_marker_state.pending_refresh =
7079 Some(cx.spawn_in(window, async move |editor, cx| {
7080 let scrollbar_size = scrollbar_layout.hitbox.size;
7081 let scrollbar_markers = cx
7082 .background_spawn(async move {
7083 let max_point = snapshot.display_snapshot.buffer_snapshot().max_point();
7084 let mut marker_quads = Vec::new();
7085 if scrollbar_settings.git_diff {
7086 let marker_row_ranges =
7087 snapshot.buffer_snapshot().diff_hunks().map(|hunk| {
7088 let start_display_row =
7089 MultiBufferPoint::new(hunk.row_range.start.0, 0)
7090 .to_display_point(&snapshot.display_snapshot)
7091 .row();
7092 let mut end_display_row =
7093 MultiBufferPoint::new(hunk.row_range.end.0, 0)
7094 .to_display_point(&snapshot.display_snapshot)
7095 .row();
7096 if end_display_row != start_display_row {
7097 end_display_row.0 -= 1;
7098 }
7099 let color = match &hunk.status().kind {
7100 DiffHunkStatusKind::Added => {
7101 theme.colors().version_control_added
7102 }
7103 DiffHunkStatusKind::Modified => {
7104 theme.colors().version_control_modified
7105 }
7106 DiffHunkStatusKind::Deleted => {
7107 theme.colors().version_control_deleted
7108 }
7109 };
7110 ColoredRange {
7111 start: start_display_row,
7112 end: end_display_row,
7113 color,
7114 }
7115 });
7116
7117 marker_quads.extend(
7118 scrollbar_layout
7119 .marker_quads_for_ranges(marker_row_ranges, Some(0)),
7120 );
7121 }
7122
7123 for (background_highlight_id, (_, background_ranges)) in
7124 background_highlights.iter()
7125 {
7126 let is_search_highlights = *background_highlight_id
7127 == HighlightKey::BufferSearchHighlights;
7128 let is_text_highlights =
7129 *background_highlight_id == HighlightKey::SelectedTextHighlight;
7130 let is_symbol_occurrences = *background_highlight_id
7131 == HighlightKey::DocumentHighlightRead
7132 || *background_highlight_id
7133 == HighlightKey::DocumentHighlightWrite;
7134 if (is_search_highlights && scrollbar_settings.search_results)
7135 || (is_text_highlights && scrollbar_settings.selected_text)
7136 || (is_symbol_occurrences && scrollbar_settings.selected_symbol)
7137 {
7138 let mut color = theme.status().info;
7139 if is_symbol_occurrences {
7140 color.fade_out(0.5);
7141 }
7142 let marker_row_ranges = background_ranges.iter().map(|range| {
7143 let display_start = range
7144 .start
7145 .to_display_point(&snapshot.display_snapshot);
7146 let display_end =
7147 range.end.to_display_point(&snapshot.display_snapshot);
7148 ColoredRange {
7149 start: display_start.row(),
7150 end: display_end.row(),
7151 color,
7152 }
7153 });
7154 marker_quads.extend(
7155 scrollbar_layout
7156 .marker_quads_for_ranges(marker_row_ranges, Some(1)),
7157 );
7158 }
7159 }
7160
7161 if scrollbar_settings.diagnostics != ScrollbarDiagnostics::None {
7162 let diagnostics = snapshot
7163 .buffer_snapshot()
7164 .diagnostics_in_range::<Point>(Point::zero()..max_point)
7165 // Don't show diagnostics the user doesn't care about
7166 .filter(|diagnostic| {
7167 match (
7168 scrollbar_settings.diagnostics,
7169 diagnostic.diagnostic.severity,
7170 ) {
7171 (ScrollbarDiagnostics::All, _) => true,
7172 (
7173 ScrollbarDiagnostics::Error,
7174 lsp::DiagnosticSeverity::ERROR,
7175 ) => true,
7176 (
7177 ScrollbarDiagnostics::Warning,
7178 lsp::DiagnosticSeverity::ERROR
7179 | lsp::DiagnosticSeverity::WARNING,
7180 ) => true,
7181 (
7182 ScrollbarDiagnostics::Information,
7183 lsp::DiagnosticSeverity::ERROR
7184 | lsp::DiagnosticSeverity::WARNING
7185 | lsp::DiagnosticSeverity::INFORMATION,
7186 ) => true,
7187 (_, _) => false,
7188 }
7189 })
7190 // We want to sort by severity, in order to paint the most severe diagnostics last.
7191 .sorted_by_key(|diagnostic| {
7192 std::cmp::Reverse(diagnostic.diagnostic.severity)
7193 });
7194
7195 let marker_row_ranges = diagnostics.into_iter().map(|diagnostic| {
7196 let start_display = diagnostic
7197 .range
7198 .start
7199 .to_display_point(&snapshot.display_snapshot);
7200 let end_display = diagnostic
7201 .range
7202 .end
7203 .to_display_point(&snapshot.display_snapshot);
7204 let color = match diagnostic.diagnostic.severity {
7205 lsp::DiagnosticSeverity::ERROR => theme.status().error,
7206 lsp::DiagnosticSeverity::WARNING => theme.status().warning,
7207 lsp::DiagnosticSeverity::INFORMATION => theme.status().info,
7208 _ => theme.status().hint,
7209 };
7210 ColoredRange {
7211 start: start_display.row(),
7212 end: end_display.row(),
7213 color,
7214 }
7215 });
7216 marker_quads.extend(
7217 scrollbar_layout
7218 .marker_quads_for_ranges(marker_row_ranges, Some(2)),
7219 );
7220 }
7221
7222 Arc::from(marker_quads)
7223 })
7224 .await;
7225
7226 editor.update(cx, |editor, cx| {
7227 editor.scrollbar_marker_state.markers = scrollbar_markers;
7228 editor.scrollbar_marker_state.scrollbar_size = scrollbar_size;
7229 editor.scrollbar_marker_state.pending_refresh = None;
7230 cx.notify();
7231 })?;
7232
7233 Ok(())
7234 }));
7235 });
7236 }
7237
7238 fn paint_highlighted_range(
7239 &self,
7240 range: Range<DisplayPoint>,
7241 fill: bool,
7242 color: Hsla,
7243 corner_radius: Pixels,
7244 line_end_overshoot: Pixels,
7245 layout: &EditorLayout,
7246 window: &mut Window,
7247 ) {
7248 let start_row = layout.visible_display_row_range.start;
7249 let end_row = layout.visible_display_row_range.end;
7250 if range.start != range.end {
7251 let row_range = if range.end.column() == 0 {
7252 cmp::max(range.start.row(), start_row)..cmp::min(range.end.row(), end_row)
7253 } else {
7254 cmp::max(range.start.row(), start_row)
7255 ..cmp::min(range.end.row().next_row(), end_row)
7256 };
7257
7258 let highlighted_range = HighlightedRange {
7259 color,
7260 line_height: layout.position_map.line_height,
7261 corner_radius,
7262 start_y: layout.content_origin.y
7263 + Pixels::from(
7264 (row_range.start.as_f64() - layout.position_map.scroll_position.y)
7265 * ScrollOffset::from(layout.position_map.line_height),
7266 ),
7267 lines: row_range
7268 .iter_rows()
7269 .map(|row| {
7270 let line_layout =
7271 &layout.position_map.line_layouts[row.minus(start_row) as usize];
7272 let alignment_offset =
7273 line_layout.alignment_offset(layout.text_align, layout.content_width);
7274 HighlightedRangeLine {
7275 start_x: if row == range.start.row() {
7276 layout.content_origin.x
7277 + Pixels::from(
7278 ScrollPixelOffset::from(
7279 line_layout.x_for_index(range.start.column() as usize)
7280 + alignment_offset,
7281 ) - layout.position_map.scroll_pixel_position.x,
7282 )
7283 } else {
7284 layout.content_origin.x + alignment_offset
7285 - Pixels::from(layout.position_map.scroll_pixel_position.x)
7286 },
7287 end_x: if row == range.end.row() {
7288 layout.content_origin.x
7289 + Pixels::from(
7290 ScrollPixelOffset::from(
7291 line_layout.x_for_index(range.end.column() as usize)
7292 + alignment_offset,
7293 ) - layout.position_map.scroll_pixel_position.x,
7294 )
7295 } else {
7296 Pixels::from(
7297 ScrollPixelOffset::from(
7298 layout.content_origin.x
7299 + line_layout.width
7300 + alignment_offset
7301 + line_end_overshoot,
7302 ) - layout.position_map.scroll_pixel_position.x,
7303 )
7304 },
7305 }
7306 })
7307 .collect(),
7308 };
7309
7310 highlighted_range.paint(fill, layout.position_map.text_hitbox.bounds, window);
7311 }
7312 }
7313
7314 fn paint_inline_diagnostics(
7315 &mut self,
7316 layout: &mut EditorLayout,
7317 window: &mut Window,
7318 cx: &mut App,
7319 ) {
7320 for mut inline_diagnostic in layout.inline_diagnostics.drain() {
7321 inline_diagnostic.1.paint(window, cx);
7322 }
7323 }
7324
7325 fn paint_inline_blame(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
7326 if let Some(mut blame_layout) = layout.inline_blame_layout.take() {
7327 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
7328 blame_layout.element.paint(window, cx);
7329 })
7330 }
7331 }
7332
7333 fn paint_inline_code_actions(
7334 &mut self,
7335 layout: &mut EditorLayout,
7336 window: &mut Window,
7337 cx: &mut App,
7338 ) {
7339 if let Some(mut inline_code_actions) = layout.inline_code_actions.take() {
7340 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
7341 inline_code_actions.paint(window, cx);
7342 })
7343 }
7344 }
7345
7346 fn paint_diff_hunk_controls(
7347 &mut self,
7348 layout: &mut EditorLayout,
7349 window: &mut Window,
7350 cx: &mut App,
7351 ) {
7352 for mut diff_hunk_control in layout.diff_hunk_controls.drain(..) {
7353 diff_hunk_control.paint(window, cx);
7354 }
7355 }
7356
7357 fn paint_minimap(&self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
7358 if let Some(mut layout) = layout.minimap.take() {
7359 let minimap_hitbox = layout.thumb_layout.hitbox.clone();
7360 let dragging_minimap = self.editor.read(cx).scroll_manager.is_dragging_minimap();
7361
7362 window.paint_layer(layout.thumb_layout.hitbox.bounds, |window| {
7363 window.with_element_namespace("minimap", |window| {
7364 layout.minimap.paint(window, cx);
7365 if let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds {
7366 let minimap_thumb_color = match layout.thumb_layout.thumb_state {
7367 ScrollbarThumbState::Idle => {
7368 cx.theme().colors().minimap_thumb_background
7369 }
7370 ScrollbarThumbState::Hovered => {
7371 cx.theme().colors().minimap_thumb_hover_background
7372 }
7373 ScrollbarThumbState::Dragging => {
7374 cx.theme().colors().minimap_thumb_active_background
7375 }
7376 };
7377 let minimap_thumb_border = match layout.thumb_border_style {
7378 MinimapThumbBorder::Full => Edges::all(ScrollbarLayout::BORDER_WIDTH),
7379 MinimapThumbBorder::LeftOnly => Edges {
7380 left: ScrollbarLayout::BORDER_WIDTH,
7381 ..Default::default()
7382 },
7383 MinimapThumbBorder::LeftOpen => Edges {
7384 right: ScrollbarLayout::BORDER_WIDTH,
7385 top: ScrollbarLayout::BORDER_WIDTH,
7386 bottom: ScrollbarLayout::BORDER_WIDTH,
7387 ..Default::default()
7388 },
7389 MinimapThumbBorder::RightOpen => Edges {
7390 left: ScrollbarLayout::BORDER_WIDTH,
7391 top: ScrollbarLayout::BORDER_WIDTH,
7392 bottom: ScrollbarLayout::BORDER_WIDTH,
7393 ..Default::default()
7394 },
7395 MinimapThumbBorder::None => Default::default(),
7396 };
7397
7398 window.paint_layer(minimap_hitbox.bounds, |window| {
7399 window.paint_quad(quad(
7400 thumb_bounds,
7401 Corners::default(),
7402 minimap_thumb_color,
7403 minimap_thumb_border,
7404 cx.theme().colors().minimap_thumb_border,
7405 BorderStyle::Solid,
7406 ));
7407 });
7408 }
7409 });
7410 });
7411
7412 if dragging_minimap {
7413 window.set_window_cursor_style(CursorStyle::Arrow);
7414 } else {
7415 window.set_cursor_style(CursorStyle::Arrow, &minimap_hitbox);
7416 }
7417
7418 let minimap_axis = ScrollbarAxis::Vertical;
7419 let pixels_per_line = Pixels::from(
7420 ScrollPixelOffset::from(minimap_hitbox.size.height) / layout.max_scroll_top,
7421 )
7422 .min(layout.minimap_line_height);
7423
7424 let mut mouse_position = window.mouse_position();
7425
7426 window.on_mouse_event({
7427 let editor = self.editor.clone();
7428
7429 let minimap_hitbox = minimap_hitbox.clone();
7430
7431 move |event: &MouseMoveEvent, phase, window, cx| {
7432 if phase == DispatchPhase::Capture {
7433 return;
7434 }
7435
7436 editor.update(cx, |editor, cx| {
7437 if event.pressed_button == Some(MouseButton::Left)
7438 && editor.scroll_manager.is_dragging_minimap()
7439 {
7440 let old_position = mouse_position.along(minimap_axis);
7441 let new_position = event.position.along(minimap_axis);
7442 if (minimap_hitbox.origin.along(minimap_axis)
7443 ..minimap_hitbox.bottom_right().along(minimap_axis))
7444 .contains(&old_position)
7445 {
7446 let position =
7447 editor.scroll_position(cx).apply_along(minimap_axis, |p| {
7448 (p + ScrollPixelOffset::from(
7449 (new_position - old_position) / pixels_per_line,
7450 ))
7451 .max(0.)
7452 });
7453
7454 editor.set_scroll_position(position, window, cx);
7455 }
7456 cx.stop_propagation();
7457 } else if minimap_hitbox.is_hovered(window) {
7458 editor.scroll_manager.set_is_hovering_minimap_thumb(
7459 !event.dragging()
7460 && layout
7461 .thumb_layout
7462 .thumb_bounds
7463 .is_some_and(|bounds| bounds.contains(&event.position)),
7464 cx,
7465 );
7466
7467 // Stop hover events from propagating to the
7468 // underlying editor if the minimap hitbox is hovered
7469 if !event.dragging() {
7470 cx.stop_propagation();
7471 }
7472 } else {
7473 editor.scroll_manager.hide_minimap_thumb(cx);
7474 }
7475 mouse_position = event.position;
7476 });
7477 }
7478 });
7479
7480 if dragging_minimap {
7481 window.on_mouse_event({
7482 let editor = self.editor.clone();
7483 move |event: &MouseUpEvent, phase, window, cx| {
7484 if phase == DispatchPhase::Capture {
7485 return;
7486 }
7487
7488 editor.update(cx, |editor, cx| {
7489 if minimap_hitbox.is_hovered(window) {
7490 editor.scroll_manager.set_is_hovering_minimap_thumb(
7491 layout
7492 .thumb_layout
7493 .thumb_bounds
7494 .is_some_and(|bounds| bounds.contains(&event.position)),
7495 cx,
7496 );
7497 } else {
7498 editor.scroll_manager.hide_minimap_thumb(cx);
7499 }
7500 cx.stop_propagation();
7501 });
7502 }
7503 });
7504 } else {
7505 window.on_mouse_event({
7506 let editor = self.editor.clone();
7507
7508 move |event: &MouseDownEvent, phase, window, cx| {
7509 if phase == DispatchPhase::Capture || !minimap_hitbox.is_hovered(window) {
7510 return;
7511 }
7512
7513 let event_position = event.position;
7514
7515 let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds else {
7516 return;
7517 };
7518
7519 editor.update(cx, |editor, cx| {
7520 if !thumb_bounds.contains(&event_position) {
7521 let click_position =
7522 event_position.relative_to(&minimap_hitbox.origin).y;
7523
7524 let top_position = (click_position
7525 - thumb_bounds.size.along(minimap_axis) / 2.0)
7526 .max(Pixels::ZERO);
7527
7528 let scroll_offset = (layout.minimap_scroll_top
7529 + ScrollPixelOffset::from(
7530 top_position / layout.minimap_line_height,
7531 ))
7532 .min(layout.max_scroll_top);
7533
7534 let scroll_position = editor
7535 .scroll_position(cx)
7536 .apply_along(minimap_axis, |_| scroll_offset);
7537 editor.set_scroll_position(scroll_position, window, cx);
7538 }
7539
7540 editor.scroll_manager.set_is_dragging_minimap(cx);
7541 cx.stop_propagation();
7542 });
7543 }
7544 });
7545 }
7546 }
7547 }
7548
7549 fn paint_spacer_blocks(
7550 &mut self,
7551 layout: &mut EditorLayout,
7552 window: &mut Window,
7553 cx: &mut App,
7554 ) {
7555 for mut block in layout.spacer_blocks.drain(..) {
7556 let mut bounds = layout.hitbox.bounds;
7557 bounds.origin.x += layout.gutter_hitbox.bounds.size.width;
7558 window.with_content_mask(Some(ContentMask { bounds }), |window| {
7559 block.element.paint(window, cx);
7560 })
7561 }
7562 }
7563
7564 fn paint_non_spacer_blocks(
7565 &mut self,
7566 layout: &mut EditorLayout,
7567 window: &mut Window,
7568 cx: &mut App,
7569 ) {
7570 for mut block in layout.blocks.drain(..) {
7571 if block.overlaps_gutter {
7572 block.element.paint(window, cx);
7573 } else {
7574 let mut bounds = layout.hitbox.bounds;
7575 bounds.origin.x += layout.gutter_hitbox.bounds.size.width;
7576 window.with_content_mask(Some(ContentMask { bounds }), |window| {
7577 block.element.paint(window, cx);
7578 })
7579 }
7580 }
7581 }
7582
7583 fn paint_edit_prediction_popover(
7584 &mut self,
7585 layout: &mut EditorLayout,
7586 window: &mut Window,
7587 cx: &mut App,
7588 ) {
7589 if let Some(edit_prediction_popover) = layout.edit_prediction_popover.as_mut() {
7590 edit_prediction_popover.paint(window, cx);
7591 }
7592 }
7593
7594 fn paint_mouse_context_menu(
7595 &mut self,
7596 layout: &mut EditorLayout,
7597 window: &mut Window,
7598 cx: &mut App,
7599 ) {
7600 if let Some(mouse_context_menu) = layout.mouse_context_menu.as_mut() {
7601 mouse_context_menu.paint(window, cx);
7602 }
7603 }
7604
7605 fn paint_scroll_wheel_listener(
7606 &mut self,
7607 layout: &EditorLayout,
7608 window: &mut Window,
7609 cx: &mut App,
7610 ) {
7611 window.on_mouse_event({
7612 let position_map = layout.position_map.clone();
7613 let editor = self.editor.clone();
7614 let hitbox = layout.hitbox.clone();
7615 let mut delta = ScrollDelta::default();
7616
7617 // Set a minimum scroll_sensitivity of 0.01 to make sure the user doesn't
7618 // accidentally turn off their scrolling.
7619 let base_scroll_sensitivity =
7620 EditorSettings::get_global(cx).scroll_sensitivity.max(0.01);
7621
7622 // Use a minimum fast_scroll_sensitivity for same reason above
7623 let fast_scroll_sensitivity = EditorSettings::get_global(cx)
7624 .fast_scroll_sensitivity
7625 .max(0.01);
7626
7627 move |event: &ScrollWheelEvent, phase, window, cx| {
7628 if phase == DispatchPhase::Bubble && hitbox.should_handle_scroll(window) {
7629 delta = delta.coalesce(event.delta);
7630
7631 if event.modifiers.secondary()
7632 && editor.read(cx).enable_mouse_wheel_zoom
7633 && EditorSettings::get_global(cx).mouse_wheel_zoom
7634 {
7635 let delta_y = match event.delta {
7636 ScrollDelta::Pixels(pixels) => pixels.y.into(),
7637 ScrollDelta::Lines(lines) => lines.y,
7638 };
7639
7640 if delta_y > 0.0 {
7641 theme_settings::increase_buffer_font_size(cx);
7642 } else if delta_y < 0.0 {
7643 theme_settings::decrease_buffer_font_size(cx);
7644 }
7645
7646 cx.stop_propagation();
7647 } else {
7648 let scroll_sensitivity = {
7649 if event.modifiers.alt {
7650 fast_scroll_sensitivity
7651 } else {
7652 base_scroll_sensitivity
7653 }
7654 };
7655
7656 editor.update(cx, |editor, cx| {
7657 let line_height = position_map.line_height;
7658 let glyph_width = position_map.em_layout_width;
7659 let (delta, axis) = match delta {
7660 gpui::ScrollDelta::Pixels(mut pixels) => {
7661 //Trackpad
7662 let axis =
7663 position_map.snapshot.ongoing_scroll.filter(&mut pixels);
7664 (pixels, axis)
7665 }
7666
7667 gpui::ScrollDelta::Lines(lines) => {
7668 //Not trackpad
7669 let pixels =
7670 point(lines.x * glyph_width, lines.y * line_height);
7671 (pixels, None)
7672 }
7673 };
7674
7675 let current_scroll_position = position_map.snapshot.scroll_position();
7676 let x = (current_scroll_position.x
7677 * ScrollPixelOffset::from(glyph_width)
7678 - ScrollPixelOffset::from(delta.x * scroll_sensitivity))
7679 / ScrollPixelOffset::from(glyph_width);
7680 let y = (current_scroll_position.y
7681 * ScrollPixelOffset::from(line_height)
7682 - ScrollPixelOffset::from(delta.y * scroll_sensitivity))
7683 / ScrollPixelOffset::from(line_height);
7684 let mut scroll_position =
7685 point(x, y).clamp(&point(0., 0.), &position_map.scroll_max);
7686 let forbid_vertical_scroll =
7687 editor.scroll_manager.forbid_vertical_scroll();
7688 if forbid_vertical_scroll {
7689 scroll_position.y = current_scroll_position.y;
7690 }
7691
7692 if scroll_position != current_scroll_position {
7693 editor.scroll(scroll_position, axis, window, cx);
7694 cx.stop_propagation();
7695 } else if y < 0. {
7696 // Due to clamping, we may fail to detect cases of overscroll to the top;
7697 // We want the scroll manager to get an update in such cases and detect the change of direction
7698 // on the next frame.
7699 cx.notify();
7700 }
7701 });
7702 }
7703 }
7704 }
7705 });
7706 }
7707
7708 fn paint_mouse_listeners(&mut self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
7709 if layout.mode.is_minimap() {
7710 return;
7711 }
7712
7713 self.paint_scroll_wheel_listener(layout, window, cx);
7714
7715 window.on_mouse_event({
7716 let position_map = layout.position_map.clone();
7717 let editor = self.editor.clone();
7718 let line_numbers = layout.line_numbers.clone();
7719
7720 move |event: &MouseDownEvent, phase, window, cx| {
7721 if phase == DispatchPhase::Bubble {
7722 match event.button {
7723 MouseButton::Left => editor.update(cx, |editor, cx| {
7724 let pending_mouse_down = editor
7725 .pending_mouse_down
7726 .get_or_insert_with(Default::default)
7727 .clone();
7728
7729 *pending_mouse_down.borrow_mut() = Some(event.clone());
7730
7731 Self::mouse_left_down(
7732 editor,
7733 event,
7734 &position_map,
7735 line_numbers.as_ref(),
7736 window,
7737 cx,
7738 );
7739 }),
7740 MouseButton::Right => editor.update(cx, |editor, cx| {
7741 Self::mouse_right_down(editor, event, &position_map, window, cx);
7742 }),
7743 MouseButton::Middle => editor.update(cx, |editor, cx| {
7744 Self::mouse_middle_down(editor, event, &position_map, window, cx);
7745 }),
7746 _ => {}
7747 };
7748 }
7749 }
7750 });
7751
7752 window.on_mouse_event({
7753 let editor = self.editor.clone();
7754 let position_map = layout.position_map.clone();
7755
7756 move |event: &MouseUpEvent, phase, window, cx| {
7757 if phase == DispatchPhase::Bubble {
7758 editor.update(cx, |editor, cx| {
7759 Self::mouse_up(editor, event, &position_map, window, cx)
7760 });
7761 }
7762 }
7763 });
7764
7765 window.on_mouse_event({
7766 let editor = self.editor.clone();
7767 let position_map = layout.position_map.clone();
7768 let mut captured_mouse_down = None;
7769
7770 move |event: &MouseUpEvent, phase, window, cx| match phase {
7771 // Clear the pending mouse down during the capture phase,
7772 // so that it happens even if another event handler stops
7773 // propagation.
7774 DispatchPhase::Capture => editor.update(cx, |editor, _cx| {
7775 let pending_mouse_down = editor
7776 .pending_mouse_down
7777 .get_or_insert_with(Default::default)
7778 .clone();
7779
7780 let mut pending_mouse_down = pending_mouse_down.borrow_mut();
7781 if pending_mouse_down.is_some() && position_map.text_hitbox.is_hovered(window) {
7782 captured_mouse_down = pending_mouse_down.take();
7783 window.refresh();
7784 }
7785 }),
7786 // Fire click handlers during the bubble phase.
7787 DispatchPhase::Bubble => editor.update(cx, |editor, cx| {
7788 if let Some(mouse_down) = captured_mouse_down.take() {
7789 let event = ClickEvent::Mouse(MouseClickEvent {
7790 down: mouse_down,
7791 up: event.clone(),
7792 });
7793 Self::click(editor, &event, &position_map, window, cx);
7794 }
7795 }),
7796 }
7797 });
7798
7799 window.on_mouse_event({
7800 let position_map = layout.position_map.clone();
7801 let editor = self.editor.clone();
7802
7803 move |event: &MousePressureEvent, phase, window, cx| {
7804 if phase == DispatchPhase::Bubble {
7805 editor.update(cx, |editor, cx| {
7806 Self::pressure_click(editor, &event, &position_map, window, cx);
7807 })
7808 }
7809 }
7810 });
7811
7812 window.on_mouse_event({
7813 let position_map = layout.position_map.clone();
7814 let editor = self.editor.clone();
7815 let split_side = self.split_side;
7816
7817 move |event: &MouseMoveEvent, phase, window, cx| {
7818 if phase == DispatchPhase::Bubble {
7819 editor.update(cx, |editor, cx| {
7820 if editor.hover_state.focused(window, cx) {
7821 return;
7822 }
7823 if event.pressed_button == Some(MouseButton::Left)
7824 || event.pressed_button == Some(MouseButton::Middle)
7825 {
7826 Self::mouse_dragged(editor, event, &position_map, window, cx)
7827 }
7828
7829 Self::mouse_moved(editor, event, &position_map, split_side, window, cx)
7830 });
7831 }
7832 }
7833 });
7834 }
7835
7836 fn shape_line_number(
7837 &self,
7838 text: SharedString,
7839 color: Hsla,
7840 window: &mut Window,
7841 ) -> ShapedLine {
7842 let run = TextRun {
7843 len: text.len(),
7844 font: self.style.text.font(),
7845 color,
7846 ..Default::default()
7847 };
7848 window.text_system().shape_line(
7849 text,
7850 self.style.text.font_size.to_pixels(window.rem_size()),
7851 &[run],
7852 None,
7853 )
7854 }
7855
7856 fn diff_hunk_hollow(status: DiffHunkStatus, cx: &mut App) -> bool {
7857 let unstaged = status.has_secondary_hunk();
7858 let unstaged_hollow = matches!(
7859 ProjectSettings::get_global(cx).git.hunk_style,
7860 GitHunkStyleSetting::UnstagedHollow
7861 );
7862
7863 unstaged == unstaged_hollow
7864 }
7865
7866 #[cfg(debug_assertions)]
7867 fn layout_debug_ranges(
7868 selections: &mut Vec<(PlayerColor, Vec<SelectionLayout>)>,
7869 anchor_range: Range<Anchor>,
7870 display_snapshot: &DisplaySnapshot,
7871 cx: &App,
7872 ) {
7873 let theme = cx.theme();
7874 text::debug::GlobalDebugRanges::with_locked(|debug_ranges| {
7875 if debug_ranges.ranges.is_empty() {
7876 return;
7877 }
7878 let buffer_snapshot = &display_snapshot.buffer_snapshot();
7879 for (excerpt_buffer_snapshot, buffer_range, _) in
7880 buffer_snapshot.range_to_buffer_ranges(anchor_range.start..anchor_range.end)
7881 {
7882 let buffer_range = excerpt_buffer_snapshot.anchor_after(buffer_range.start)
7883 ..excerpt_buffer_snapshot.anchor_before(buffer_range.end);
7884 selections.extend(debug_ranges.ranges.iter().flat_map(|debug_range| {
7885 debug_range.ranges.iter().filter_map(|range| {
7886 let player_color = theme
7887 .players()
7888 .color_for_participant(debug_range.occurrence_index as u32 + 1);
7889 if range.start.buffer_id != excerpt_buffer_snapshot.remote_id() {
7890 return None;
7891 }
7892 let clipped_start = range
7893 .start
7894 .max(&buffer_range.start, &excerpt_buffer_snapshot);
7895 let clipped_end =
7896 range.end.min(&buffer_range.end, &excerpt_buffer_snapshot);
7897 let range = buffer_snapshot
7898 .buffer_anchor_range_to_anchor_range(*clipped_start..*clipped_end)?;
7899 let start = range.start.to_display_point(display_snapshot);
7900 let end = range.end.to_display_point(display_snapshot);
7901 let selection_layout = SelectionLayout {
7902 head: start,
7903 range: start..end,
7904 cursor_shape: CursorShape::Bar,
7905 is_newest: false,
7906 is_local: false,
7907 active_rows: start.row()..end.row(),
7908 user_name: Some(SharedString::new(debug_range.value.clone())),
7909 };
7910 Some((player_color, vec![selection_layout]))
7911 })
7912 }));
7913 }
7914 });
7915 }
7916}
7917
7918struct Gutter<'a> {
7919 line_height: Pixels,
7920 range: Range<DisplayRow>,
7921 scroll_position: gpui::Point<ScrollOffset>,
7922 dimensions: &'a GutterDimensions,
7923 hitbox: &'a Hitbox,
7924 snapshot: &'a EditorSnapshot,
7925 row_infos: &'a [RowInfo],
7926}
7927
7928impl Gutter<'_> {
7929 fn layout_item_skipping_folds(
7930 &self,
7931 display_row: DisplayRow,
7932 render_item: impl Fn(&mut Context<'_, Editor>, &mut Window) -> AnyElement,
7933 window: &mut Window,
7934 cx: &mut Context<'_, Editor>,
7935 ) -> Option<AnyElement> {
7936 let row = MultiBufferRow(
7937 DisplayPoint::new(display_row, 0)
7938 .to_point(self.snapshot)
7939 .row,
7940 );
7941 if self.snapshot.is_line_folded(row) {
7942 return None;
7943 }
7944
7945 self.layout_item(display_row, render_item, window, cx)
7946 }
7947
7948 fn layout_item(
7949 &self,
7950 display_row: DisplayRow,
7951 render_item: impl Fn(&mut Context<'_, Editor>, &mut Window) -> AnyElement,
7952 window: &mut Window,
7953 cx: &mut Context<'_, Editor>,
7954 ) -> Option<AnyElement> {
7955 if !self.range.contains(&display_row) {
7956 return None;
7957 }
7958
7959 if self
7960 .row_infos
7961 .get((display_row.0.saturating_sub(self.range.start.0)) as usize)
7962 .is_some_and(|row_info| {
7963 row_info.expand_info.is_some()
7964 || row_info
7965 .diff_status
7966 .is_some_and(|status| status.is_deleted())
7967 })
7968 {
7969 return None;
7970 }
7971
7972 let button = self.prepaint_button(render_item(cx, window), display_row, window, cx);
7973 Some(button)
7974 }
7975
7976 fn prepaint_button(
7977 &self,
7978 mut button: AnyElement,
7979 row: DisplayRow,
7980 window: &mut Window,
7981 cx: &mut App,
7982 ) -> AnyElement {
7983 let available_space = size(
7984 AvailableSpace::MinContent,
7985 AvailableSpace::Definite(self.line_height),
7986 );
7987 let indicator_size = button.layout_as_root(available_space, window, cx);
7988 let git_gutter_width = EditorElement::gutter_strip_width(self.line_height)
7989 + self.dimensions.git_blame_entries_width.unwrap_or_default();
7990
7991 let x = git_gutter_width + px(2.);
7992
7993 let mut y = Pixels::from(
7994 (row.as_f64() - self.scroll_position.y) * ScrollPixelOffset::from(self.line_height),
7995 );
7996 y += (self.line_height - indicator_size.height) / 2.;
7997
7998 button.prepaint_as_root(
7999 self.hitbox.origin + point(x, y),
8000 available_space,
8001 window,
8002 cx,
8003 );
8004 button
8005 }
8006}
8007
8008pub fn render_breadcrumb_text(
8009 mut segments: Vec<HighlightedText>,
8010 breadcrumb_font: Option<Font>,
8011 prefix: Option<gpui::AnyElement>,
8012 active_item: &dyn ItemHandle,
8013 multibuffer_header: bool,
8014 window: &mut Window,
8015 cx: &App,
8016) -> gpui::AnyElement {
8017 const MAX_SEGMENTS: usize = 12;
8018
8019 let element = h_flex().flex_grow().text_ui(cx);
8020
8021 let prefix_end_ix = cmp::min(segments.len(), MAX_SEGMENTS / 2);
8022 let suffix_start_ix = cmp::max(
8023 prefix_end_ix,
8024 segments.len().saturating_sub(MAX_SEGMENTS / 2),
8025 );
8026
8027 if suffix_start_ix > prefix_end_ix {
8028 segments.splice(
8029 prefix_end_ix..suffix_start_ix,
8030 Some(HighlightedText {
8031 text: "β―".into(),
8032 highlights: vec![],
8033 }),
8034 );
8035 }
8036
8037 let highlighted_segments = segments.into_iter().enumerate().map(|(index, segment)| {
8038 let mut text_style = window.text_style();
8039 if let Some(font) = &breadcrumb_font {
8040 text_style.font_family = font.family.clone();
8041 text_style.font_features = font.features.clone();
8042 text_style.font_style = font.style;
8043 text_style.font_weight = font.weight;
8044 }
8045 text_style.color = Color::Muted.color(cx);
8046
8047 if index == 0
8048 && !workspace::TabBarSettings::get_global(cx).show
8049 && active_item.is_dirty(cx)
8050 && let Some(styled_element) = apply_dirty_filename_style(&segment, &text_style, cx)
8051 {
8052 return styled_element;
8053 }
8054
8055 StyledText::new(segment.text.replace('\n', " "))
8056 .with_default_highlights(&text_style, segment.highlights)
8057 .into_any()
8058 });
8059
8060 let breadcrumbs = Itertools::intersperse_with(highlighted_segments, || {
8061 Label::new("βΊ").color(Color::Placeholder).into_any_element()
8062 });
8063
8064 let breadcrumbs_stack = h_flex()
8065 .gap_1()
8066 .when(multibuffer_header, |this| {
8067 this.pl_2()
8068 .border_l_1()
8069 .border_color(cx.theme().colors().border.opacity(0.6))
8070 })
8071 .children(breadcrumbs);
8072
8073 let breadcrumbs = if let Some(prefix) = prefix {
8074 h_flex().gap_1p5().child(prefix).child(breadcrumbs_stack)
8075 } else {
8076 breadcrumbs_stack
8077 };
8078
8079 let editor = active_item
8080 .downcast::<Editor>()
8081 .map(|editor| editor.downgrade());
8082
8083 let has_project_path = active_item.project_path(cx).is_some();
8084
8085 match editor {
8086 Some(editor) => element
8087 .id("breadcrumb_container")
8088 .when(!multibuffer_header, |this| this.overflow_x_scroll())
8089 .child(
8090 ButtonLike::new("toggle outline view")
8091 .child(breadcrumbs)
8092 .when(multibuffer_header, |this| {
8093 this.style(ButtonStyle::Transparent)
8094 })
8095 .when(!multibuffer_header, |this| {
8096 let focus_handle = editor.upgrade().unwrap().focus_handle(&cx);
8097
8098 this.tooltip(Tooltip::element(move |_window, cx| {
8099 v_flex()
8100 .gap_1()
8101 .child(
8102 h_flex()
8103 .gap_1()
8104 .justify_between()
8105 .child(Label::new("Show Symbol Outline"))
8106 .child(ui::KeyBinding::for_action_in(
8107 &zed_actions::outline::ToggleOutline,
8108 &focus_handle,
8109 cx,
8110 )),
8111 )
8112 .when(has_project_path, |this| {
8113 this.child(
8114 h_flex()
8115 .gap_1()
8116 .justify_between()
8117 .pt_1()
8118 .border_t_1()
8119 .border_color(cx.theme().colors().border_variant)
8120 .child(Label::new("Right-Click to Copy Path")),
8121 )
8122 })
8123 .into_any_element()
8124 }))
8125 .on_click({
8126 let editor = editor.clone();
8127 move |_, window, cx| {
8128 if let Some((editor, callback)) = editor
8129 .upgrade()
8130 .zip(zed_actions::outline::TOGGLE_OUTLINE.get())
8131 {
8132 callback(editor.to_any_view(), window, cx);
8133 }
8134 }
8135 })
8136 .when(has_project_path, |this| {
8137 this.on_right_click({
8138 let editor = editor.clone();
8139 move |_, _, cx| {
8140 if let Some(abs_path) = editor.upgrade().and_then(|editor| {
8141 editor.update(cx, |editor, cx| {
8142 editor.target_file_abs_path(cx)
8143 })
8144 }) {
8145 if let Some(path_str) = abs_path.to_str() {
8146 cx.write_to_clipboard(ClipboardItem::new_string(
8147 path_str.to_string(),
8148 ));
8149 }
8150 }
8151 }
8152 })
8153 })
8154 }),
8155 )
8156 .into_any_element(),
8157 None => element
8158 .h(rems_from_px(22.)) // Match the height and padding of the `ButtonLike` in the other arm.
8159 .pl_1()
8160 .child(breadcrumbs)
8161 .into_any_element(),
8162 }
8163}
8164
8165fn apply_dirty_filename_style(
8166 segment: &HighlightedText,
8167 text_style: &gpui::TextStyle,
8168 cx: &App,
8169) -> Option<gpui::AnyElement> {
8170 let text = segment.text.replace('\n', " ");
8171
8172 let filename_position = std::path::Path::new(segment.text.as_ref())
8173 .file_name()
8174 .and_then(|f| {
8175 let filename_str = f.to_string_lossy();
8176 segment.text.rfind(filename_str.as_ref())
8177 })?;
8178
8179 let bold_weight = FontWeight::BOLD;
8180 let default_color = Color::Default.color(cx);
8181
8182 if filename_position == 0 {
8183 let mut filename_style = text_style.clone();
8184 filename_style.font_weight = bold_weight;
8185 filename_style.color = default_color;
8186
8187 return Some(
8188 StyledText::new(text)
8189 .with_default_highlights(&filename_style, [])
8190 .into_any(),
8191 );
8192 }
8193
8194 let highlight_style = gpui::HighlightStyle {
8195 font_weight: Some(bold_weight),
8196 color: Some(default_color),
8197 ..Default::default()
8198 };
8199
8200 let highlight = vec![(filename_position..text.len(), highlight_style)];
8201 Some(
8202 StyledText::new(text)
8203 .with_default_highlights(text_style, highlight)
8204 .into_any(),
8205 )
8206}
8207
8208fn file_status_label_color(file_status: Option<FileStatus>) -> Color {
8209 file_status.map_or(Color::Default, |status| {
8210 if status.is_conflicted() {
8211 Color::Conflict
8212 } else if status.is_modified() {
8213 Color::Modified
8214 } else if status.is_deleted() {
8215 Color::Disabled
8216 } else if status.is_created() {
8217 Color::Created
8218 } else {
8219 Color::Default
8220 }
8221 })
8222}
8223
8224pub(crate) fn header_jump_data(
8225 editor_snapshot: &EditorSnapshot,
8226 block_row_start: DisplayRow,
8227 height: u32,
8228 first_excerpt: &ExcerptBoundaryInfo,
8229 latest_selection_anchors: &HashMap<BufferId, Anchor>,
8230) -> JumpData {
8231 let multibuffer_snapshot = editor_snapshot.buffer_snapshot();
8232 let buffer = first_excerpt.buffer(multibuffer_snapshot);
8233 let (jump_anchor, jump_buffer) = if let Some(anchor) =
8234 latest_selection_anchors.get(&first_excerpt.buffer_id())
8235 && let Some((jump_anchor, selection_buffer)) =
8236 multibuffer_snapshot.anchor_to_buffer_anchor(*anchor)
8237 {
8238 (jump_anchor, selection_buffer)
8239 } else {
8240 (first_excerpt.range.primary.start, buffer)
8241 };
8242 let excerpt_start = first_excerpt.range.context.start;
8243 let jump_position = language::ToPoint::to_point(&jump_anchor, jump_buffer);
8244 let rows_from_excerpt_start = if jump_anchor == excerpt_start {
8245 0
8246 } else {
8247 let excerpt_start_point = language::ToPoint::to_point(&excerpt_start, buffer);
8248 jump_position.row.saturating_sub(excerpt_start_point.row)
8249 };
8250
8251 let line_offset_from_top = (block_row_start.0 + height + rows_from_excerpt_start)
8252 .saturating_sub(
8253 editor_snapshot
8254 .scroll_anchor
8255 .scroll_position(&editor_snapshot.display_snapshot)
8256 .y as u32,
8257 );
8258
8259 JumpData::MultiBufferPoint {
8260 anchor: jump_anchor,
8261 position: jump_position,
8262 line_offset_from_top,
8263 }
8264}
8265
8266pub(crate) fn render_buffer_header(
8267 editor: &Entity<Editor>,
8268 for_excerpt: &ExcerptBoundaryInfo,
8269 is_folded: bool,
8270 is_selected: bool,
8271 is_sticky: bool,
8272 jump_data: JumpData,
8273 window: &mut Window,
8274 cx: &mut App,
8275) -> impl IntoElement {
8276 let editor_read = editor.read(cx);
8277 let multi_buffer = editor_read.buffer.read(cx);
8278 let is_read_only = editor_read.read_only(cx);
8279 let editor_handle: &dyn ItemHandle = editor;
8280 let multibuffer_snapshot = multi_buffer.snapshot(cx);
8281 let buffer = for_excerpt.buffer(&multibuffer_snapshot);
8282
8283 let breadcrumbs = if is_selected {
8284 editor_read.breadcrumbs_inner(cx)
8285 } else {
8286 None
8287 };
8288
8289 let buffer_id = for_excerpt.buffer_id();
8290 let file_status = multi_buffer
8291 .all_diff_hunks_expanded()
8292 .then(|| editor_read.status_for_buffer_id(buffer_id, cx))
8293 .flatten();
8294 let indicator = multi_buffer.buffer(buffer_id).and_then(|buffer| {
8295 let buffer = buffer.read(cx);
8296 let indicator_color = match (buffer.has_conflict(), buffer.is_dirty()) {
8297 (true, _) => Some(Color::Warning),
8298 (_, true) => Some(Color::Accent),
8299 (false, false) => None,
8300 };
8301 indicator_color.map(|indicator_color| Indicator::dot().color(indicator_color))
8302 });
8303
8304 let include_root = editor_read
8305 .project
8306 .as_ref()
8307 .map(|project| project.read(cx).visible_worktrees(cx).count() > 1)
8308 .unwrap_or_default();
8309 let file = buffer.file();
8310 let can_open_excerpts = file.is_none_or(|file| file.can_open());
8311 let path_style = file.map(|file| file.path_style(cx));
8312 let relative_path = buffer.resolve_file_path(include_root, cx);
8313 let (parent_path, filename) = if let Some(path) = &relative_path {
8314 if let Some(path_style) = path_style {
8315 let (dir, file_name) = path_style.split(path);
8316 (dir.map(|dir| dir.to_owned()), Some(file_name.to_owned()))
8317 } else {
8318 (None, Some(path.clone()))
8319 }
8320 } else {
8321 (None, None)
8322 };
8323 let focus_handle = editor_read.focus_handle(cx);
8324 let colors = cx.theme().colors();
8325
8326 let header = div()
8327 .id(("buffer-header", buffer_id.to_proto()))
8328 .p(BUFFER_HEADER_PADDING)
8329 .w_full()
8330 .h(FILE_HEADER_HEIGHT as f32 * window.line_height())
8331 .child(
8332 h_flex()
8333 .group("buffer-header-group")
8334 .size_full()
8335 .flex_basis(Length::Definite(DefiniteLength::Fraction(0.667)))
8336 .pl_1()
8337 .pr_2()
8338 .rounded_sm()
8339 .gap_1p5()
8340 .when(is_sticky, |el| el.shadow_md())
8341 .border_1()
8342 .map(|border| {
8343 let border_color =
8344 if is_selected && is_folded && focus_handle.contains_focused(window, cx) {
8345 colors.border_focused
8346 } else {
8347 colors.border
8348 };
8349 border.border_color(border_color)
8350 })
8351 .bg(colors.editor_subheader_background)
8352 .hover(|style| style.bg(colors.element_hover))
8353 .map(|header| {
8354 let editor = editor.clone();
8355 let buffer_id = for_excerpt.buffer_id();
8356 let toggle_chevron_icon =
8357 FileIcons::get_chevron_icon(!is_folded, cx).map(Icon::from_path);
8358 let button_size = rems_from_px(28.);
8359
8360 header.child(
8361 div()
8362 .hover(|style| style.bg(colors.element_selected))
8363 .rounded_xs()
8364 .child(
8365 ButtonLike::new("toggle-buffer-fold")
8366 .style(ButtonStyle::Transparent)
8367 .height(button_size.into())
8368 .width(button_size)
8369 .children(toggle_chevron_icon)
8370 .tooltip({
8371 let focus_handle = focus_handle.clone();
8372 let is_folded_for_tooltip = is_folded;
8373 move |_window, cx| {
8374 Tooltip::with_meta_in(
8375 if is_folded_for_tooltip {
8376 "Unfold Excerpt"
8377 } else {
8378 "Fold Excerpt"
8379 },
8380 Some(&ToggleFold),
8381 format!(
8382 "{} to toggle all",
8383 text_for_keystroke(
8384 &Modifiers::alt(),
8385 "click",
8386 cx
8387 )
8388 ),
8389 &focus_handle,
8390 cx,
8391 )
8392 }
8393 })
8394 .on_click(move |event, window, cx| {
8395 if event.modifiers().alt {
8396 editor.update(cx, |editor, cx| {
8397 editor.toggle_fold_all(&ToggleFoldAll, window, cx);
8398 });
8399 } else {
8400 if is_folded {
8401 editor.update(cx, |editor, cx| {
8402 editor.unfold_buffer(buffer_id, cx);
8403 });
8404 } else {
8405 editor.update(cx, |editor, cx| {
8406 editor.fold_buffer(buffer_id, cx);
8407 });
8408 }
8409 }
8410 }),
8411 ),
8412 )
8413 })
8414 .children(
8415 editor_read
8416 .addons
8417 .values()
8418 .filter_map(|addon| {
8419 addon.render_buffer_header_controls(for_excerpt, buffer, window, cx)
8420 })
8421 .take(1),
8422 )
8423 .when(!is_read_only, |this| {
8424 this.child(
8425 h_flex()
8426 .size_3()
8427 .justify_center()
8428 .flex_shrink_0()
8429 .children(indicator),
8430 )
8431 })
8432 .child(
8433 h_flex()
8434 .cursor_pointer()
8435 .id("path_header_block")
8436 .min_w_0()
8437 .size_full()
8438 .gap_1()
8439 .justify_between()
8440 .overflow_hidden()
8441 .child(h_flex().min_w_0().flex_1().gap_0p5().overflow_hidden().map(
8442 |path_header| {
8443 let filename = filename
8444 .map(SharedString::from)
8445 .unwrap_or_else(|| "untitled".into());
8446
8447 let full_path = match parent_path.as_deref() {
8448 Some(parent) if !parent.is_empty() => {
8449 format!("{}{}", parent, filename.as_str())
8450 }
8451 _ => filename.as_str().to_string(),
8452 };
8453
8454 path_header
8455 .child(
8456 ButtonLike::new("filename-button")
8457 .when(ItemSettings::get_global(cx).file_icons, |this| {
8458 let path = path::Path::new(filename.as_str());
8459 let icon = FileIcons::get_icon(path, cx)
8460 .unwrap_or_default();
8461
8462 this.child(
8463 Icon::from_path(icon).color(Color::Muted),
8464 )
8465 })
8466 .child(
8467 Label::new(filename)
8468 .single_line()
8469 .color(file_status_label_color(file_status))
8470 .buffer_font(cx)
8471 .when(
8472 file_status.is_some_and(|s| s.is_deleted()),
8473 |label| label.strikethrough(),
8474 ),
8475 )
8476 .tooltip(move |_, cx| {
8477 Tooltip::with_meta(
8478 "Open File",
8479 None,
8480 full_path.clone(),
8481 cx,
8482 )
8483 })
8484 .on_click(window.listener_for(editor, {
8485 let jump_data = jump_data.clone();
8486 move |editor, e: &ClickEvent, window, cx| {
8487 editor.open_excerpts_common(
8488 Some(jump_data.clone()),
8489 e.modifiers().secondary(),
8490 window,
8491 cx,
8492 );
8493 }
8494 })),
8495 )
8496 .when_some(parent_path, |then, path| {
8497 then.child(
8498 Label::new(path)
8499 .buffer_font(cx)
8500 .truncate_start()
8501 .color(
8502 if file_status
8503 .is_some_and(FileStatus::is_deleted)
8504 {
8505 Color::Custom(colors.text_disabled)
8506 } else {
8507 Color::Custom(colors.text_muted)
8508 },
8509 ),
8510 )
8511 })
8512 .when(!buffer.capability.editable(), |el| {
8513 el.child(Icon::new(IconName::FileLock).color(Color::Muted))
8514 })
8515 .when_some(breadcrumbs, |then, breadcrumbs| {
8516 let font = theme_settings::ThemeSettings::get_global(cx)
8517 .buffer_font
8518 .clone();
8519 then.child(render_breadcrumb_text(
8520 breadcrumbs,
8521 Some(font),
8522 None,
8523 editor_handle,
8524 true,
8525 window,
8526 cx,
8527 ))
8528 })
8529 },
8530 ))
8531 .when(can_open_excerpts && relative_path.is_some(), |this| {
8532 this.child(
8533 div()
8534 .when(!is_selected, |this| {
8535 this.visible_on_hover("buffer-header-group")
8536 })
8537 .child(
8538 Button::new("open-file-button", "Open File")
8539 .style(ButtonStyle::OutlinedGhost)
8540 .when(is_selected, |this| {
8541 this.key_binding(KeyBinding::for_action_in(
8542 &OpenExcerpts,
8543 &focus_handle,
8544 cx,
8545 ))
8546 })
8547 .on_click(window.listener_for(editor, {
8548 let jump_data = jump_data.clone();
8549 move |editor, e: &ClickEvent, window, cx| {
8550 editor.open_excerpts_common(
8551 Some(jump_data.clone()),
8552 e.modifiers().secondary(),
8553 window,
8554 cx,
8555 );
8556 }
8557 })),
8558 ),
8559 )
8560 })
8561 .on_mouse_down(MouseButton::Left, |_, _, cx| cx.stop_propagation())
8562 .on_click(window.listener_for(editor, {
8563 let buffer_id = for_excerpt.buffer_id();
8564 move |editor, e: &ClickEvent, window, cx| {
8565 if e.modifiers().alt {
8566 editor.open_excerpts_common(
8567 Some(jump_data.clone()),
8568 e.modifiers().secondary(),
8569 window,
8570 cx,
8571 );
8572 return;
8573 }
8574
8575 if is_folded {
8576 editor.unfold_buffer(buffer_id, cx);
8577 } else {
8578 editor.fold_buffer(buffer_id, cx);
8579 }
8580 }
8581 })),
8582 ),
8583 );
8584
8585 let file = buffer.file().cloned();
8586 let editor = editor.clone();
8587
8588 right_click_menu("buffer-header-context-menu")
8589 .trigger(move |_, _, _| header)
8590 .menu(move |window, cx| {
8591 let menu_context = focus_handle.clone();
8592 let editor = editor.clone();
8593 let file = file.clone();
8594 ContextMenu::build(window, cx, move |mut menu, window, cx| {
8595 if let Some(file) = file
8596 && let Some(project) = editor.read(cx).project()
8597 && let Some(worktree) =
8598 project.read(cx).worktree_for_id(file.worktree_id(cx), cx)
8599 {
8600 let path_style = file.path_style(cx);
8601 let worktree = worktree.read(cx);
8602 let relative_path = file.path();
8603 let entry_for_path = worktree.entry_for_path(relative_path);
8604 let abs_path = entry_for_path.map(|e| {
8605 e.canonical_path
8606 .as_deref()
8607 .map_or_else(|| worktree.absolutize(relative_path), Path::to_path_buf)
8608 });
8609 let has_relative_path = worktree.root_entry().is_some_and(Entry::is_dir);
8610
8611 let parent_abs_path = abs_path
8612 .as_ref()
8613 .and_then(|abs_path| Some(abs_path.parent()?.to_path_buf()));
8614 let relative_path = has_relative_path
8615 .then_some(relative_path)
8616 .map(ToOwned::to_owned);
8617
8618 let visible_in_project_panel = relative_path.is_some() && worktree.is_visible();
8619 let reveal_in_project_panel = entry_for_path
8620 .filter(|_| visible_in_project_panel)
8621 .map(|entry| entry.id);
8622 menu = menu
8623 .when_some(abs_path, |menu, abs_path| {
8624 menu.entry(
8625 "Copy Path",
8626 Some(Box::new(zed_actions::workspace::CopyPath)),
8627 window.handler_for(&editor, move |_, _, cx| {
8628 cx.write_to_clipboard(ClipboardItem::new_string(
8629 abs_path.to_string_lossy().into_owned(),
8630 ));
8631 }),
8632 )
8633 })
8634 .when_some(relative_path, |menu, relative_path| {
8635 menu.entry(
8636 "Copy Relative Path",
8637 Some(Box::new(zed_actions::workspace::CopyRelativePath)),
8638 window.handler_for(&editor, move |_, _, cx| {
8639 cx.write_to_clipboard(ClipboardItem::new_string(
8640 relative_path.display(path_style).to_string(),
8641 ));
8642 }),
8643 )
8644 })
8645 .when(
8646 reveal_in_project_panel.is_some() || parent_abs_path.is_some(),
8647 |menu| menu.separator(),
8648 )
8649 .when_some(reveal_in_project_panel, |menu, entry_id| {
8650 menu.entry(
8651 "Reveal In Project Panel",
8652 Some(Box::new(RevealInProjectPanel::default())),
8653 window.handler_for(&editor, move |editor, _, cx| {
8654 if let Some(project) = &mut editor.project {
8655 project.update(cx, |_, cx| {
8656 cx.emit(project::Event::RevealInProjectPanel(entry_id))
8657 });
8658 }
8659 }),
8660 )
8661 })
8662 .when_some(parent_abs_path, |menu, parent_abs_path| {
8663 menu.entry(
8664 "Open in Terminal",
8665 Some(Box::new(OpenInTerminal)),
8666 window.handler_for(&editor, move |_, window, cx| {
8667 window.dispatch_action(
8668 OpenTerminal {
8669 working_directory: parent_abs_path.clone(),
8670 local: false,
8671 }
8672 .boxed_clone(),
8673 cx,
8674 );
8675 }),
8676 )
8677 });
8678 }
8679
8680 menu.context(menu_context)
8681 })
8682 })
8683}
8684
8685fn render_inline_blame_entry(
8686 blame_entry: BlameEntry,
8687 style: &EditorStyle,
8688 cx: &mut App,
8689) -> Option<AnyElement> {
8690 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
8691 renderer.render_inline_blame_entry(&style.text, blame_entry, cx)
8692}
8693
8694fn render_blame_entry_popover(
8695 blame_entry: BlameEntry,
8696 scroll_handle: ScrollHandle,
8697 commit_message: Option<ParsedCommitMessage>,
8698 markdown: Entity<Markdown>,
8699 workspace: WeakEntity<Workspace>,
8700 blame: &Entity<GitBlame>,
8701 buffer: BufferId,
8702 window: &mut Window,
8703 cx: &mut App,
8704) -> Option<AnyElement> {
8705 if markdown.read(cx).is_parsing() {
8706 return None;
8707 }
8708
8709 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
8710 let blame = blame.read(cx);
8711 let repository = blame.repository(cx, buffer)?;
8712 renderer.render_blame_entry_popover(
8713 blame_entry,
8714 scroll_handle,
8715 commit_message,
8716 markdown,
8717 repository,
8718 workspace,
8719 window,
8720 cx,
8721 )
8722}
8723
8724fn render_blame_entry(
8725 ix: usize,
8726 blame: &Entity<GitBlame>,
8727 blame_entry: BlameEntry,
8728 style: &EditorStyle,
8729 last_used_color: &mut Option<(Hsla, Oid)>,
8730 editor: Entity<Editor>,
8731 workspace: Entity<Workspace>,
8732 buffer: BufferId,
8733 renderer: &dyn BlameRenderer,
8734 window: &mut Window,
8735 cx: &mut App,
8736) -> Option<AnyElement> {
8737 let index: u32 = blame_entry.sha.into();
8738 let mut sha_color = cx.theme().players().color_for_participant(index).cursor;
8739
8740 // If the last color we used is the same as the one we get for this line, but
8741 // the commit SHAs are different, then we try again to get a different color.
8742 if let Some((color, sha)) = *last_used_color
8743 && sha != blame_entry.sha
8744 && color == sha_color
8745 {
8746 sha_color = cx.theme().players().color_for_participant(index + 1).cursor;
8747 }
8748 last_used_color.replace((sha_color, blame_entry.sha));
8749
8750 let blame = blame.read(cx);
8751 let details = blame.details_for_entry(buffer, &blame_entry);
8752 let repository = blame.repository(cx, buffer)?;
8753 renderer.render_blame_entry(
8754 &style.text,
8755 blame_entry,
8756 details,
8757 repository,
8758 workspace.downgrade(),
8759 editor,
8760 ix,
8761 sha_color,
8762 window,
8763 cx,
8764 )
8765}
8766
8767#[derive(Debug)]
8768pub(crate) struct LineWithInvisibles {
8769 fragments: SmallVec<[LineFragment; 1]>,
8770 invisibles: Vec<Invisible>,
8771 len: usize,
8772 pub(crate) width: Pixels,
8773 font_size: Pixels,
8774}
8775
8776enum LineFragment {
8777 Text(ShapedLine),
8778 Element {
8779 id: ChunkRendererId,
8780 element: Option<AnyElement>,
8781 size: Size<Pixels>,
8782 len: usize,
8783 },
8784}
8785
8786impl fmt::Debug for LineFragment {
8787 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
8788 match self {
8789 LineFragment::Text(shaped_line) => f.debug_tuple("Text").field(shaped_line).finish(),
8790 LineFragment::Element { size, len, .. } => f
8791 .debug_struct("Element")
8792 .field("size", size)
8793 .field("len", len)
8794 .finish(),
8795 }
8796 }
8797}
8798
8799impl LineWithInvisibles {
8800 fn from_chunks<'a>(
8801 chunks: impl Iterator<Item = HighlightedChunk<'a>>,
8802 editor_style: &EditorStyle,
8803 max_line_len: usize,
8804 max_line_count: usize,
8805 editor_mode: &EditorMode,
8806 text_width: Pixels,
8807 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
8808 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
8809 window: &mut Window,
8810 cx: &mut App,
8811 ) -> Vec<Self> {
8812 let text_style = &editor_style.text;
8813 let mut layouts = Vec::with_capacity(max_line_count);
8814 let mut fragments: SmallVec<[LineFragment; 1]> = SmallVec::new();
8815 let mut line = String::new();
8816 let mut invisibles = Vec::new();
8817 let mut width = Pixels::ZERO;
8818 let mut len = 0;
8819 let mut styles = Vec::new();
8820 let mut non_whitespace_added = false;
8821 let mut row = 0;
8822 let mut line_exceeded_max_len = false;
8823 let font_size = text_style.font_size.to_pixels(window.rem_size());
8824 let min_contrast = EditorSettings::get_global(cx).minimum_contrast_for_highlights;
8825
8826 let ellipsis = SharedString::from("β―");
8827
8828 for highlighted_chunk in chunks.chain([HighlightedChunk {
8829 text: "\n",
8830 style: None,
8831 is_tab: false,
8832 is_inlay: false,
8833 replacement: None,
8834 }]) {
8835 if let Some(replacement) = highlighted_chunk.replacement {
8836 if !line.is_empty() {
8837 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
8838 let text_runs: &[TextRun] = if segments.is_empty() {
8839 &styles
8840 } else {
8841 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
8842 };
8843 let shaped_line = window.text_system().shape_line(
8844 line.clone().into(),
8845 font_size,
8846 text_runs,
8847 None,
8848 );
8849 width += shaped_line.width;
8850 len += shaped_line.len;
8851 fragments.push(LineFragment::Text(shaped_line));
8852 line.clear();
8853 styles.clear();
8854 }
8855
8856 match replacement {
8857 ChunkReplacement::Renderer(renderer) => {
8858 let available_width = if renderer.constrain_width {
8859 let chunk = if highlighted_chunk.text == ellipsis.as_ref() {
8860 ellipsis.clone()
8861 } else {
8862 SharedString::from(Arc::from(highlighted_chunk.text))
8863 };
8864 let shaped_line = window.text_system().shape_line(
8865 chunk,
8866 font_size,
8867 &[text_style.to_run(highlighted_chunk.text.len())],
8868 None,
8869 );
8870 AvailableSpace::Definite(shaped_line.width)
8871 } else {
8872 AvailableSpace::MinContent
8873 };
8874
8875 let mut element = (renderer.render)(&mut ChunkRendererContext {
8876 context: cx,
8877 window,
8878 max_width: text_width,
8879 });
8880 let line_height = text_style.line_height_in_pixels(window.rem_size());
8881 let size = element.layout_as_root(
8882 size(available_width, AvailableSpace::Definite(line_height)),
8883 window,
8884 cx,
8885 );
8886
8887 width += size.width;
8888 len += highlighted_chunk.text.len();
8889 fragments.push(LineFragment::Element {
8890 id: renderer.id,
8891 element: Some(element),
8892 size,
8893 len: highlighted_chunk.text.len(),
8894 });
8895 }
8896 ChunkReplacement::Str(x) => {
8897 let text_style = if let Some(style) = highlighted_chunk.style {
8898 Cow::Owned(text_style.clone().highlight(style))
8899 } else {
8900 Cow::Borrowed(text_style)
8901 };
8902
8903 let run = TextRun {
8904 len: x.len(),
8905 font: text_style.font(),
8906 color: text_style.color,
8907 background_color: text_style.background_color,
8908 underline: text_style.underline,
8909 strikethrough: text_style.strikethrough,
8910 };
8911 let line_layout = window
8912 .text_system()
8913 .shape_line(x, font_size, &[run], None)
8914 .with_len(highlighted_chunk.text.len());
8915
8916 width += line_layout.width;
8917 len += highlighted_chunk.text.len();
8918 fragments.push(LineFragment::Text(line_layout))
8919 }
8920 }
8921 } else {
8922 for (ix, mut line_chunk) in highlighted_chunk.text.split('\n').enumerate() {
8923 if ix > 0 {
8924 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
8925 let text_runs = if segments.is_empty() {
8926 &styles
8927 } else {
8928 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
8929 };
8930 let shaped_line = window.text_system().shape_line(
8931 line.clone().into(),
8932 font_size,
8933 text_runs,
8934 None,
8935 );
8936 width += shaped_line.width;
8937 len += shaped_line.len;
8938 fragments.push(LineFragment::Text(shaped_line));
8939 layouts.push(Self {
8940 width: mem::take(&mut width),
8941 len: mem::take(&mut len),
8942 fragments: mem::take(&mut fragments),
8943 invisibles: std::mem::take(&mut invisibles),
8944 font_size,
8945 });
8946
8947 line.clear();
8948 styles.clear();
8949 row += 1;
8950 line_exceeded_max_len = false;
8951 non_whitespace_added = false;
8952 if row == max_line_count {
8953 return layouts;
8954 }
8955 }
8956
8957 if !line_chunk.is_empty() && !line_exceeded_max_len {
8958 let text_style = if let Some(style) = highlighted_chunk.style {
8959 Cow::Owned(text_style.clone().highlight(style))
8960 } else {
8961 Cow::Borrowed(text_style)
8962 };
8963
8964 if line.len() + line_chunk.len() > max_line_len {
8965 let mut chunk_len = max_line_len - line.len();
8966 while !line_chunk.is_char_boundary(chunk_len) {
8967 chunk_len -= 1;
8968 }
8969 line_chunk = &line_chunk[..chunk_len];
8970 line_exceeded_max_len = true;
8971 }
8972
8973 styles.push(TextRun {
8974 len: line_chunk.len(),
8975 font: text_style.font(),
8976 color: text_style.color,
8977 background_color: text_style.background_color,
8978 underline: text_style.underline,
8979 strikethrough: text_style.strikethrough,
8980 });
8981
8982 if editor_mode.is_full() && !highlighted_chunk.is_inlay {
8983 // Line wrap pads its contents with fake whitespaces,
8984 // avoid printing them
8985 let is_soft_wrapped = is_row_soft_wrapped(row);
8986 if highlighted_chunk.is_tab {
8987 if non_whitespace_added || !is_soft_wrapped {
8988 invisibles.push(Invisible::Tab {
8989 line_start_offset: line.len(),
8990 line_end_offset: line.len() + line_chunk.len(),
8991 });
8992 }
8993 } else {
8994 invisibles.extend(line_chunk.char_indices().filter_map(
8995 |(index, c)| {
8996 let is_whitespace = c.is_whitespace();
8997 non_whitespace_added |= !is_whitespace;
8998 if is_whitespace
8999 && (non_whitespace_added || !is_soft_wrapped)
9000 {
9001 Some(Invisible::Whitespace {
9002 line_offset: line.len() + index,
9003 })
9004 } else {
9005 None
9006 }
9007 },
9008 ))
9009 }
9010 }
9011
9012 line.push_str(line_chunk);
9013 }
9014 }
9015 }
9016 }
9017
9018 layouts
9019 }
9020
9021 /// Takes text runs and non-overlapping left-to-right background ranges with color.
9022 /// Returns new text runs with adjusted contrast as per background ranges.
9023 fn split_runs_by_bg_segments(
9024 text_runs: &[TextRun],
9025 bg_segments: &[(Range<DisplayPoint>, Hsla)],
9026 min_contrast: f32,
9027 start_col_offset: usize,
9028 ) -> Vec<TextRun> {
9029 let mut output_runs: Vec<TextRun> = Vec::with_capacity(text_runs.len());
9030 let mut line_col = start_col_offset;
9031 let mut segment_ix = 0usize;
9032
9033 for text_run in text_runs.iter() {
9034 let run_start_col = line_col;
9035 let run_end_col = run_start_col + text_run.len;
9036 while segment_ix < bg_segments.len()
9037 && (bg_segments[segment_ix].0.end.column() as usize) <= run_start_col
9038 {
9039 segment_ix += 1;
9040 }
9041 let mut cursor_col = run_start_col;
9042 let mut local_segment_ix = segment_ix;
9043 while local_segment_ix < bg_segments.len() {
9044 let (range, segment_color) = &bg_segments[local_segment_ix];
9045 let segment_start_col = range.start.column() as usize;
9046 let segment_end_col = range.end.column() as usize;
9047 if segment_start_col >= run_end_col {
9048 break;
9049 }
9050 if segment_start_col > cursor_col {
9051 let span_len = segment_start_col - cursor_col;
9052 output_runs.push(TextRun {
9053 len: span_len,
9054 font: text_run.font.clone(),
9055 color: text_run.color,
9056 background_color: text_run.background_color,
9057 underline: text_run.underline,
9058 strikethrough: text_run.strikethrough,
9059 });
9060 cursor_col = segment_start_col;
9061 }
9062 let segment_slice_end_col = segment_end_col.min(run_end_col);
9063 if segment_slice_end_col > cursor_col {
9064 let new_text_color =
9065 ensure_minimum_contrast(text_run.color, *segment_color, min_contrast);
9066 output_runs.push(TextRun {
9067 len: segment_slice_end_col - cursor_col,
9068 font: text_run.font.clone(),
9069 color: new_text_color,
9070 background_color: text_run.background_color,
9071 underline: text_run.underline,
9072 strikethrough: text_run.strikethrough,
9073 });
9074 cursor_col = segment_slice_end_col;
9075 }
9076 if segment_end_col >= run_end_col {
9077 break;
9078 }
9079 local_segment_ix += 1;
9080 }
9081 if cursor_col < run_end_col {
9082 output_runs.push(TextRun {
9083 len: run_end_col - cursor_col,
9084 font: text_run.font.clone(),
9085 color: text_run.color,
9086 background_color: text_run.background_color,
9087 underline: text_run.underline,
9088 strikethrough: text_run.strikethrough,
9089 });
9090 }
9091 line_col = run_end_col;
9092 segment_ix = local_segment_ix;
9093 }
9094 output_runs
9095 }
9096
9097 fn prepaint(
9098 &mut self,
9099 line_height: Pixels,
9100 scroll_position: gpui::Point<ScrollOffset>,
9101 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
9102 row: DisplayRow,
9103 content_origin: gpui::Point<Pixels>,
9104 line_elements: &mut SmallVec<[AnyElement; 1]>,
9105 window: &mut Window,
9106 cx: &mut App,
9107 ) {
9108 let line_y = f32::from(line_height) * Pixels::from(row.as_f64() - scroll_position.y);
9109 self.prepaint_with_custom_offset(
9110 line_height,
9111 scroll_pixel_position,
9112 content_origin,
9113 line_y,
9114 line_elements,
9115 window,
9116 cx,
9117 );
9118 }
9119
9120 fn prepaint_with_custom_offset(
9121 &mut self,
9122 line_height: Pixels,
9123 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
9124 content_origin: gpui::Point<Pixels>,
9125 line_y: Pixels,
9126 line_elements: &mut SmallVec<[AnyElement; 1]>,
9127 window: &mut Window,
9128 cx: &mut App,
9129 ) {
9130 let mut fragment_origin =
9131 content_origin + gpui::point(Pixels::from(-scroll_pixel_position.x), line_y);
9132 for fragment in &mut self.fragments {
9133 match fragment {
9134 LineFragment::Text(line) => {
9135 fragment_origin.x += line.width;
9136 }
9137 LineFragment::Element { element, size, .. } => {
9138 let mut element = element
9139 .take()
9140 .expect("you can't prepaint LineWithInvisibles twice");
9141
9142 // Center the element vertically within the line.
9143 let mut element_origin = fragment_origin;
9144 element_origin.y += (line_height - size.height) / 2.;
9145 element.prepaint_at(element_origin, window, cx);
9146 line_elements.push(element);
9147
9148 fragment_origin.x += size.width;
9149 }
9150 }
9151 }
9152 }
9153
9154 fn draw(
9155 &self,
9156 layout: &EditorLayout,
9157 row: DisplayRow,
9158 content_origin: gpui::Point<Pixels>,
9159 whitespace_setting: ShowWhitespaceSetting,
9160 selection_ranges: &[Range<DisplayPoint>],
9161 window: &mut Window,
9162 cx: &mut App,
9163 ) {
9164 self.draw_with_custom_offset(
9165 layout,
9166 row,
9167 content_origin,
9168 layout.position_map.line_height
9169 * (row.as_f64() - layout.position_map.scroll_position.y) as f32,
9170 whitespace_setting,
9171 selection_ranges,
9172 window,
9173 cx,
9174 );
9175 }
9176
9177 fn draw_with_custom_offset(
9178 &self,
9179 layout: &EditorLayout,
9180 row: DisplayRow,
9181 content_origin: gpui::Point<Pixels>,
9182 line_y: Pixels,
9183 whitespace_setting: ShowWhitespaceSetting,
9184 selection_ranges: &[Range<DisplayPoint>],
9185 window: &mut Window,
9186 cx: &mut App,
9187 ) {
9188 let line_height = layout.position_map.line_height;
9189 let mut fragment_origin = content_origin
9190 + gpui::point(
9191 Pixels::from(-layout.position_map.scroll_pixel_position.x),
9192 line_y,
9193 );
9194
9195 for fragment in &self.fragments {
9196 match fragment {
9197 LineFragment::Text(line) => {
9198 line.paint(
9199 fragment_origin,
9200 line_height,
9201 layout.text_align,
9202 Some(layout.content_width),
9203 window,
9204 cx,
9205 )
9206 .log_err();
9207 fragment_origin.x += line.width;
9208 }
9209 LineFragment::Element { size, .. } => {
9210 fragment_origin.x += size.width;
9211 }
9212 }
9213 }
9214
9215 self.draw_invisibles(
9216 selection_ranges,
9217 layout,
9218 content_origin,
9219 line_y,
9220 row,
9221 line_height,
9222 whitespace_setting,
9223 window,
9224 cx,
9225 );
9226 }
9227
9228 fn draw_background(
9229 &self,
9230 layout: &EditorLayout,
9231 row: DisplayRow,
9232 content_origin: gpui::Point<Pixels>,
9233 window: &mut Window,
9234 cx: &mut App,
9235 ) {
9236 let line_height = layout.position_map.line_height;
9237 let line_y = line_height * (row.as_f64() - layout.position_map.scroll_position.y) as f32;
9238
9239 let mut fragment_origin = content_origin
9240 + gpui::point(
9241 Pixels::from(-layout.position_map.scroll_pixel_position.x),
9242 line_y,
9243 );
9244
9245 for fragment in &self.fragments {
9246 match fragment {
9247 LineFragment::Text(line) => {
9248 line.paint_background(
9249 fragment_origin,
9250 line_height,
9251 layout.text_align,
9252 Some(layout.content_width),
9253 window,
9254 cx,
9255 )
9256 .log_err();
9257 fragment_origin.x += line.width;
9258 }
9259 LineFragment::Element { size, .. } => {
9260 fragment_origin.x += size.width;
9261 }
9262 }
9263 }
9264 }
9265
9266 fn draw_invisibles(
9267 &self,
9268 selection_ranges: &[Range<DisplayPoint>],
9269 layout: &EditorLayout,
9270 content_origin: gpui::Point<Pixels>,
9271 line_y: Pixels,
9272 row: DisplayRow,
9273 line_height: Pixels,
9274 whitespace_setting: ShowWhitespaceSetting,
9275 window: &mut Window,
9276 cx: &mut App,
9277 ) {
9278 let extract_whitespace_info = |invisible: &Invisible| {
9279 let (token_offset, token_end_offset, invisible_symbol) = match invisible {
9280 Invisible::Tab {
9281 line_start_offset,
9282 line_end_offset,
9283 } => (*line_start_offset, *line_end_offset, &layout.tab_invisible),
9284 Invisible::Whitespace { line_offset } => {
9285 (*line_offset, line_offset + 1, &layout.space_invisible)
9286 }
9287 };
9288
9289 let x_offset: ScrollPixelOffset = self.x_for_index(token_offset).into();
9290 let invisible_offset: ScrollPixelOffset =
9291 ((layout.position_map.em_width - invisible_symbol.width).max(Pixels::ZERO) / 2.0)
9292 .into();
9293 let origin = content_origin
9294 + gpui::point(
9295 Pixels::from(
9296 x_offset + invisible_offset - layout.position_map.scroll_pixel_position.x,
9297 ),
9298 line_y,
9299 );
9300
9301 (
9302 [token_offset, token_end_offset],
9303 Box::new(move |window: &mut Window, cx: &mut App| {
9304 invisible_symbol
9305 .paint(origin, line_height, TextAlign::Left, None, window, cx)
9306 .log_err();
9307 }),
9308 )
9309 };
9310
9311 let invisible_iter = self.invisibles.iter().map(extract_whitespace_info);
9312 match whitespace_setting {
9313 ShowWhitespaceSetting::None => (),
9314 ShowWhitespaceSetting::All => invisible_iter.for_each(|(_, paint)| paint(window, cx)),
9315 ShowWhitespaceSetting::Selection => invisible_iter.for_each(|([start, _], paint)| {
9316 let invisible_point = DisplayPoint::new(row, start as u32);
9317 if !selection_ranges
9318 .iter()
9319 .any(|region| region.start <= invisible_point && invisible_point < region.end)
9320 {
9321 return;
9322 }
9323
9324 paint(window, cx);
9325 }),
9326
9327 ShowWhitespaceSetting::Trailing => {
9328 let mut previous_start = self.len;
9329 for ([start, end], paint) in invisible_iter.rev() {
9330 if previous_start != end {
9331 break;
9332 }
9333 previous_start = start;
9334 paint(window, cx);
9335 }
9336 }
9337
9338 // For a whitespace to be on a boundary, any of the following conditions need to be met:
9339 // - It is a tab
9340 // - It is adjacent to an edge (start or end)
9341 // - It is adjacent to a whitespace (left or right)
9342 ShowWhitespaceSetting::Boundary => {
9343 // 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
9344 // the above cases.
9345 // Note: We zip in the original `invisibles` to check for tab equality
9346 let mut last_seen: Option<(bool, usize, Box<dyn Fn(&mut Window, &mut App)>)> = None;
9347 for (([start, end], paint), invisible) in
9348 invisible_iter.zip_eq(self.invisibles.iter())
9349 {
9350 let should_render = match (&last_seen, invisible) {
9351 (_, Invisible::Tab { .. }) => true,
9352 (Some((_, last_end, _)), _) => *last_end == start,
9353 _ => false,
9354 };
9355
9356 if should_render || start == 0 || end == self.len {
9357 paint(window, cx);
9358
9359 // Since we are scanning from the left, we will skip over the first available whitespace that is part
9360 // of a boundary between non-whitespace segments, so we correct by manually redrawing it if needed.
9361 if let Some((should_render_last, last_end, paint_last)) = last_seen {
9362 // Note that we need to make sure that the last one is actually adjacent
9363 if !should_render_last && last_end == start {
9364 paint_last(window, cx);
9365 }
9366 }
9367 }
9368
9369 // Manually render anything within a selection
9370 let invisible_point = DisplayPoint::new(row, start as u32);
9371 if selection_ranges.iter().any(|region| {
9372 region.start <= invisible_point && invisible_point < region.end
9373 }) {
9374 paint(window, cx);
9375 }
9376
9377 last_seen = Some((should_render, end, paint));
9378 }
9379 }
9380 }
9381 }
9382
9383 pub fn x_for_index(&self, index: usize) -> Pixels {
9384 let mut fragment_start_x = Pixels::ZERO;
9385 let mut fragment_start_index = 0;
9386
9387 for fragment in &self.fragments {
9388 match fragment {
9389 LineFragment::Text(shaped_line) => {
9390 let fragment_end_index = fragment_start_index + shaped_line.len;
9391 if index < fragment_end_index {
9392 return fragment_start_x
9393 + shaped_line.x_for_index(index - fragment_start_index);
9394 }
9395 fragment_start_x += shaped_line.width;
9396 fragment_start_index = fragment_end_index;
9397 }
9398 LineFragment::Element { len, size, .. } => {
9399 let fragment_end_index = fragment_start_index + len;
9400 if index < fragment_end_index {
9401 return fragment_start_x;
9402 }
9403 fragment_start_x += size.width;
9404 fragment_start_index = fragment_end_index;
9405 }
9406 }
9407 }
9408
9409 fragment_start_x
9410 }
9411
9412 pub fn index_for_x(&self, x: Pixels) -> Option<usize> {
9413 let mut fragment_start_x = Pixels::ZERO;
9414 let mut fragment_start_index = 0;
9415
9416 for fragment in &self.fragments {
9417 match fragment {
9418 LineFragment::Text(shaped_line) => {
9419 let fragment_end_x = fragment_start_x + shaped_line.width;
9420 if x < fragment_end_x {
9421 return Some(
9422 fragment_start_index + shaped_line.index_for_x(x - fragment_start_x)?,
9423 );
9424 }
9425 fragment_start_x = fragment_end_x;
9426 fragment_start_index += shaped_line.len;
9427 }
9428 LineFragment::Element { len, size, .. } => {
9429 let fragment_end_x = fragment_start_x + size.width;
9430 if x < fragment_end_x {
9431 return Some(fragment_start_index);
9432 }
9433 fragment_start_index += len;
9434 fragment_start_x = fragment_end_x;
9435 }
9436 }
9437 }
9438
9439 None
9440 }
9441
9442 pub fn font_id_for_index(&self, index: usize) -> Option<FontId> {
9443 let mut fragment_start_index = 0;
9444
9445 for fragment in &self.fragments {
9446 match fragment {
9447 LineFragment::Text(shaped_line) => {
9448 let fragment_end_index = fragment_start_index + shaped_line.len;
9449 if index < fragment_end_index {
9450 return shaped_line.font_id_for_index(index - fragment_start_index);
9451 }
9452 fragment_start_index = fragment_end_index;
9453 }
9454 LineFragment::Element { len, .. } => {
9455 let fragment_end_index = fragment_start_index + len;
9456 if index < fragment_end_index {
9457 return None;
9458 }
9459 fragment_start_index = fragment_end_index;
9460 }
9461 }
9462 }
9463
9464 None
9465 }
9466
9467 pub fn alignment_offset(&self, text_align: TextAlign, content_width: Pixels) -> Pixels {
9468 let line_width = self.width;
9469 match text_align {
9470 TextAlign::Left => px(0.0),
9471 TextAlign::Center => (content_width - line_width) / 2.0,
9472 TextAlign::Right => content_width - line_width,
9473 }
9474 }
9475}
9476
9477#[derive(Debug, Clone, Copy, PartialEq, Eq)]
9478enum Invisible {
9479 /// A tab character
9480 ///
9481 /// A tab character is internally represented by spaces (configured by the user's tab width)
9482 /// aligned to the nearest column, so it's necessary to store the start and end offset for
9483 /// adjacency checks.
9484 Tab {
9485 line_start_offset: usize,
9486 line_end_offset: usize,
9487 },
9488 Whitespace {
9489 line_offset: usize,
9490 },
9491}
9492
9493impl EditorElement {
9494 /// Returns the rem size to use when rendering the [`EditorElement`].
9495 ///
9496 /// This allows UI elements to scale based on the `buffer_font_size`.
9497 fn rem_size(&self, cx: &mut App) -> Option<Pixels> {
9498 match self.editor.read(cx).mode {
9499 EditorMode::Full {
9500 scale_ui_elements_with_buffer_font_size: true,
9501 ..
9502 }
9503 | EditorMode::Minimap { .. } => {
9504 let buffer_font_size = self.style.text.font_size;
9505 match buffer_font_size {
9506 AbsoluteLength::Pixels(pixels) => {
9507 let rem_size_scale = {
9508 // Our default UI font size is 14px on a 16px base scale.
9509 // This means the default UI font size is 0.875rems.
9510 let default_font_size_scale = 14. / ui::BASE_REM_SIZE_IN_PX;
9511
9512 // We then determine the delta between a single rem and the default font
9513 // size scale.
9514 let default_font_size_delta = 1. - default_font_size_scale;
9515
9516 // Finally, we add this delta to 1rem to get the scale factor that
9517 // should be used to scale up the UI.
9518 1. + default_font_size_delta
9519 };
9520
9521 Some(pixels * rem_size_scale)
9522 }
9523 AbsoluteLength::Rems(rems) => {
9524 Some(rems.to_pixels(ui::BASE_REM_SIZE_IN_PX.into()))
9525 }
9526 }
9527 }
9528 // We currently use single-line and auto-height editors in UI contexts,
9529 // so we don't want to scale everything with the buffer font size, as it
9530 // ends up looking off.
9531 _ => None,
9532 }
9533 }
9534
9535 fn editor_with_selections(&self, cx: &App) -> Option<Entity<Editor>> {
9536 if let EditorMode::Minimap { parent } = self.editor.read(cx).mode() {
9537 parent.upgrade()
9538 } else {
9539 Some(self.editor.clone())
9540 }
9541 }
9542}
9543
9544#[derive(Default)]
9545pub struct EditorRequestLayoutState {
9546 // We use prepaint depth to limit the number of times prepaint is
9547 // called recursively. We need this so that we can update stale
9548 // data for e.g. block heights in block map.
9549 prepaint_depth: Rc<Cell<usize>>,
9550}
9551
9552impl EditorRequestLayoutState {
9553 // In ideal conditions we only need one more subsequent prepaint call for resize to take effect.
9554 // i.e. MAX_PREPAINT_DEPTH = 2, but since moving blocks inline (place_near), more lines from
9555 // below get exposed, and we end up querying blocks for those lines too in subsequent renders.
9556 // Setting MAX_PREPAINT_DEPTH = 3, passes all tests. Just to be on the safe side we set it to 5, so
9557 // that subsequent shrinking does not lead to incorrect block placing.
9558 const MAX_PREPAINT_DEPTH: usize = 5;
9559
9560 fn increment_prepaint_depth(&self) -> EditorPrepaintGuard {
9561 let depth = self.prepaint_depth.get();
9562 self.prepaint_depth.set(depth + 1);
9563 EditorPrepaintGuard {
9564 prepaint_depth: self.prepaint_depth.clone(),
9565 }
9566 }
9567
9568 fn has_remaining_prepaint_depth(&self) -> bool {
9569 self.prepaint_depth.get() < Self::MAX_PREPAINT_DEPTH
9570 }
9571}
9572
9573struct EditorPrepaintGuard {
9574 prepaint_depth: Rc<Cell<usize>>,
9575}
9576
9577impl Drop for EditorPrepaintGuard {
9578 fn drop(&mut self) {
9579 let depth = self.prepaint_depth.get();
9580 self.prepaint_depth.set(depth.saturating_sub(1));
9581 }
9582}
9583
9584impl Element for EditorElement {
9585 type RequestLayoutState = EditorRequestLayoutState;
9586 type PrepaintState = EditorLayout;
9587
9588 fn id(&self) -> Option<ElementId> {
9589 None
9590 }
9591
9592 fn source_location(&self) -> Option<&'static core::panic::Location<'static>> {
9593 None
9594 }
9595
9596 fn request_layout(
9597 &mut self,
9598 _: Option<&GlobalElementId>,
9599 _inspector_id: Option<&gpui::InspectorElementId>,
9600 window: &mut Window,
9601 cx: &mut App,
9602 ) -> (gpui::LayoutId, Self::RequestLayoutState) {
9603 let rem_size = self.rem_size(cx);
9604 window.with_rem_size(rem_size, |window| {
9605 self.editor.update(cx, |editor, cx| {
9606 editor.set_style(self.style.clone(), window, cx);
9607
9608 let layout_id = match editor.mode {
9609 EditorMode::SingleLine => {
9610 let rem_size = window.rem_size();
9611 let height = self.style.text.line_height_in_pixels(rem_size);
9612 let mut style = Style::default();
9613 style.size.height = height.into();
9614 style.size.width = relative(1.).into();
9615 window.request_layout(style, None, cx)
9616 }
9617 EditorMode::AutoHeight {
9618 min_lines,
9619 max_lines,
9620 } => {
9621 let editor_handle = cx.entity();
9622 window.request_measured_layout(
9623 Style::default(),
9624 move |known_dimensions, available_space, window, cx| {
9625 editor_handle
9626 .update(cx, |editor, cx| {
9627 compute_auto_height_layout(
9628 editor,
9629 min_lines,
9630 max_lines,
9631 known_dimensions,
9632 available_space.width,
9633 window,
9634 cx,
9635 )
9636 })
9637 .unwrap_or_default()
9638 },
9639 )
9640 }
9641 EditorMode::Minimap { .. } => {
9642 let mut style = Style::default();
9643 style.size.width = relative(1.).into();
9644 style.size.height = relative(1.).into();
9645 window.request_layout(style, None, cx)
9646 }
9647 EditorMode::Full {
9648 sizing_behavior, ..
9649 } => {
9650 let mut style = Style::default();
9651 style.size.width = relative(1.).into();
9652 if sizing_behavior == SizingBehavior::SizeByContent {
9653 let snapshot = editor.snapshot(window, cx);
9654 let line_height =
9655 self.style.text.line_height_in_pixels(window.rem_size());
9656 let scroll_height =
9657 (snapshot.max_point().row().next_row().0 as f32) * line_height;
9658 style.size.height = scroll_height.into();
9659 } else {
9660 style.size.height = relative(1.).into();
9661 }
9662 window.request_layout(style, None, cx)
9663 }
9664 };
9665
9666 (layout_id, EditorRequestLayoutState::default())
9667 })
9668 })
9669 }
9670
9671 fn prepaint(
9672 &mut self,
9673 _: Option<&GlobalElementId>,
9674 _inspector_id: Option<&gpui::InspectorElementId>,
9675 bounds: Bounds<Pixels>,
9676 request_layout: &mut Self::RequestLayoutState,
9677 window: &mut Window,
9678 cx: &mut App,
9679 ) -> Self::PrepaintState {
9680 let _prepaint_depth_guard = request_layout.increment_prepaint_depth();
9681 let text_style = TextStyleRefinement {
9682 font_size: Some(self.style.text.font_size),
9683 line_height: Some(self.style.text.line_height),
9684 ..Default::default()
9685 };
9686
9687 let is_minimap = self.editor.read(cx).mode.is_minimap();
9688 let is_singleton = self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
9689
9690 if !is_minimap {
9691 let focus_handle = self.editor.focus_handle(cx);
9692 window.set_view_id(self.editor.entity_id());
9693 window.set_focus_handle(&focus_handle, cx);
9694 }
9695
9696 let rem_size = self.rem_size(cx);
9697 window.with_rem_size(rem_size, |window| {
9698 window.with_text_style(Some(text_style), |window| {
9699 window.with_content_mask(Some(ContentMask { bounds }), |window| {
9700 let (mut snapshot, is_read_only) = self.editor.update(cx, |editor, cx| {
9701 (editor.snapshot(window, cx), editor.read_only(cx))
9702 });
9703 let style = &self.style;
9704
9705 let rem_size = window.rem_size();
9706 let font_id = window.text_system().resolve_font(&style.text.font());
9707 let font_size = style.text.font_size.to_pixels(rem_size);
9708 let line_height = style.text.line_height_in_pixels(rem_size);
9709 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
9710 let em_advance = window.text_system().em_advance(font_id, font_size).unwrap();
9711 let em_layout_width = window.text_system().em_layout_width(font_id, font_size);
9712 let glyph_grid_cell = size(em_advance, line_height);
9713
9714 let gutter_dimensions =
9715 snapshot.gutter_dimensions(font_id, font_size, style, window, cx);
9716 let text_width = bounds.size.width - gutter_dimensions.width;
9717
9718 let settings = EditorSettings::get_global(cx);
9719 let scrollbars_shown = settings.scrollbar.show != ShowScrollbar::Never;
9720 let vertical_scrollbar_width = (scrollbars_shown
9721 && settings.scrollbar.axes.vertical
9722 && self.editor.read(cx).show_scrollbars.vertical)
9723 .then_some(style.scrollbar_width)
9724 .unwrap_or_default();
9725 let minimap_width = self
9726 .get_minimap_width(
9727 &settings.minimap,
9728 scrollbars_shown,
9729 text_width,
9730 em_width,
9731 font_size,
9732 rem_size,
9733 cx,
9734 )
9735 .unwrap_or_default();
9736
9737 let right_margin = minimap_width + vertical_scrollbar_width;
9738
9739 let extended_right = 2 * em_width + right_margin;
9740 let editor_width = text_width - gutter_dimensions.margin - extended_right;
9741 let editor_margins = EditorMargins {
9742 gutter: gutter_dimensions,
9743 right: right_margin,
9744 extended_right,
9745 };
9746
9747 snapshot = self.editor.update(cx, |editor, cx| {
9748 editor.last_bounds = Some(bounds);
9749 editor.gutter_dimensions = gutter_dimensions;
9750 editor.set_visible_line_count(
9751 (bounds.size.height / line_height) as f64,
9752 window,
9753 cx,
9754 );
9755 editor.set_visible_column_count(f64::from(editor_width / em_advance));
9756
9757 if matches!(
9758 editor.mode,
9759 EditorMode::AutoHeight { .. } | EditorMode::Minimap { .. }
9760 ) {
9761 snapshot
9762 } else {
9763 let wrap_width = calculate_wrap_width(
9764 editor.soft_wrap_mode(cx),
9765 editor_width,
9766 em_layout_width,
9767 );
9768
9769 if editor.set_wrap_width(wrap_width, cx) {
9770 editor.snapshot(window, cx)
9771 } else {
9772 snapshot
9773 }
9774 }
9775 });
9776
9777 let hitbox = window.insert_hitbox(bounds, HitboxBehavior::Normal);
9778 let gutter_hitbox = window.insert_hitbox(
9779 gutter_bounds(bounds, gutter_dimensions),
9780 HitboxBehavior::Normal,
9781 );
9782 let text_hitbox = window.insert_hitbox(
9783 Bounds {
9784 origin: gutter_hitbox.top_right(),
9785 size: size(text_width, bounds.size.height),
9786 },
9787 HitboxBehavior::Normal,
9788 );
9789
9790 // Offset the content_bounds from the text_bounds by the gutter margin (which
9791 // is roughly half a character wide) to make hit testing work more like how we want.
9792 let content_offset = point(editor_margins.gutter.margin, Pixels::ZERO);
9793 let content_origin = text_hitbox.origin + content_offset;
9794
9795 let height_in_lines = f64::from(bounds.size.height / line_height);
9796 let max_row = snapshot.max_point().row().as_f64();
9797
9798 // Calculate how much of the editor is clipped by parent containers (e.g., List).
9799 // This allows us to only render lines that are actually visible, which is
9800 // critical for performance when large AutoHeight editors are inside Lists.
9801 let visible_bounds = window.content_mask().bounds;
9802 let clipped_top = (visible_bounds.origin.y - bounds.origin.y).max(px(0.));
9803 let clipped_top_in_lines = f64::from(clipped_top / line_height);
9804 let visible_height_in_lines =
9805 f64::from(visible_bounds.size.height / line_height);
9806
9807 // The max scroll position for the top of the window
9808 let scroll_beyond_last_line = self.editor.read(cx).scroll_beyond_last_line(cx);
9809 let max_scroll_top = match scroll_beyond_last_line {
9810 ScrollBeyondLastLine::OnePage => max_row,
9811 ScrollBeyondLastLine::Off => (max_row - height_in_lines + 1.).max(0.),
9812 ScrollBeyondLastLine::VerticalScrollMargin => {
9813 let settings = EditorSettings::get_global(cx);
9814 (max_row - height_in_lines + 1. + settings.vertical_scroll_margin)
9815 .max(0.)
9816 }
9817 };
9818
9819 let (
9820 autoscroll_request,
9821 autoscroll_containing_element,
9822 needs_horizontal_autoscroll,
9823 ) = self.editor.update(cx, |editor, cx| {
9824 let autoscroll_request = editor.scroll_manager.take_autoscroll_request();
9825
9826 let autoscroll_containing_element =
9827 autoscroll_request.is_some() || editor.has_pending_selection();
9828
9829 let (needs_horizontal_autoscroll, was_scrolled) = editor
9830 .autoscroll_vertically(
9831 bounds,
9832 line_height,
9833 max_scroll_top,
9834 autoscroll_request,
9835 window,
9836 cx,
9837 );
9838 if was_scrolled.0 {
9839 snapshot = editor.snapshot(window, cx);
9840 }
9841 (
9842 autoscroll_request,
9843 autoscroll_containing_element,
9844 needs_horizontal_autoscroll,
9845 )
9846 });
9847
9848 let mut scroll_position = snapshot.scroll_position();
9849 // The scroll position is a fractional point, the whole number of which represents
9850 // the top of the window in terms of display rows.
9851 // We add clipped_top_in_lines to skip rows that are clipped by parent containers,
9852 // but we don't modify scroll_position itself since the parent handles positioning.
9853 let max_row = snapshot.max_point().row();
9854 let start_row = cmp::min(
9855 DisplayRow((scroll_position.y + clipped_top_in_lines).floor() as u32),
9856 max_row,
9857 );
9858 let end_row = cmp::min(
9859 (scroll_position.y + clipped_top_in_lines + visible_height_in_lines).ceil()
9860 as u32,
9861 max_row.next_row().0,
9862 );
9863 let end_row = DisplayRow(end_row);
9864
9865 let row_infos = snapshot // note we only get the visual range
9866 .row_infos(start_row)
9867 .take((start_row..end_row).len())
9868 .collect::<Vec<RowInfo>>();
9869 let is_row_soft_wrapped = |row: usize| {
9870 row_infos
9871 .get(row)
9872 .is_none_or(|info| info.buffer_row.is_none())
9873 };
9874
9875 let start_anchor = if start_row == Default::default() {
9876 Anchor::Min
9877 } else {
9878 snapshot.buffer_snapshot().anchor_before(
9879 DisplayPoint::new(start_row, 0).to_offset(&snapshot, Bias::Left),
9880 )
9881 };
9882 let end_anchor = if end_row > max_row {
9883 Anchor::Max
9884 } else {
9885 snapshot.buffer_snapshot().anchor_before(
9886 DisplayPoint::new(end_row, 0).to_offset(&snapshot, Bias::Right),
9887 )
9888 };
9889
9890 let mut highlighted_rows = self
9891 .editor
9892 .update(cx, |editor, cx| editor.highlighted_display_rows(window, cx));
9893
9894 let is_light = cx.theme().appearance().is_light();
9895
9896 let mut highlighted_ranges = self
9897 .editor_with_selections(cx)
9898 .map(|editor| {
9899 if editor == self.editor {
9900 editor.read(cx).background_highlights_in_range(
9901 start_anchor..end_anchor,
9902 &snapshot.display_snapshot,
9903 cx.theme(),
9904 )
9905 } else {
9906 editor.update(cx, |editor, cx| {
9907 let snapshot = editor.snapshot(window, cx);
9908 let start_anchor = if start_row == Default::default() {
9909 Anchor::Min
9910 } else {
9911 snapshot.buffer_snapshot().anchor_before(
9912 DisplayPoint::new(start_row, 0)
9913 .to_offset(&snapshot, Bias::Left),
9914 )
9915 };
9916 let end_anchor = if end_row > max_row {
9917 Anchor::Max
9918 } else {
9919 snapshot.buffer_snapshot().anchor_before(
9920 DisplayPoint::new(end_row, 0)
9921 .to_offset(&snapshot, Bias::Right),
9922 )
9923 };
9924
9925 editor.background_highlights_in_range(
9926 start_anchor..end_anchor,
9927 &snapshot.display_snapshot,
9928 cx.theme(),
9929 )
9930 })
9931 }
9932 })
9933 .unwrap_or_default();
9934
9935 for (ix, row_info) in row_infos.iter().enumerate() {
9936 let Some(diff_status) = row_info.diff_status else {
9937 continue;
9938 };
9939
9940 let background_color = match diff_status.kind {
9941 DiffHunkStatusKind::Added => cx.theme().colors().version_control_added,
9942 DiffHunkStatusKind::Deleted => {
9943 cx.theme().colors().version_control_deleted
9944 }
9945 DiffHunkStatusKind::Modified => {
9946 debug_panic!("modified diff status for row info");
9947 continue;
9948 }
9949 };
9950
9951 let hunk_opacity = if is_light { 0.16 } else { 0.12 };
9952
9953 let hollow_highlight = LineHighlight {
9954 background: (background_color.opacity(if is_light {
9955 0.08
9956 } else {
9957 0.06
9958 }))
9959 .into(),
9960 border: Some(if is_light {
9961 background_color.opacity(0.48)
9962 } else {
9963 background_color.opacity(0.36)
9964 }),
9965 include_gutter: true,
9966 type_id: None,
9967 };
9968
9969 let filled_highlight = LineHighlight {
9970 background: solid_background(background_color.opacity(hunk_opacity)),
9971 border: None,
9972 include_gutter: true,
9973 type_id: None,
9974 };
9975
9976 let background = if Self::diff_hunk_hollow(diff_status, cx) {
9977 hollow_highlight
9978 } else {
9979 filled_highlight
9980 };
9981
9982 let base_display_point =
9983 DisplayPoint::new(start_row + DisplayRow(ix as u32), 0);
9984
9985 highlighted_rows
9986 .entry(base_display_point.row())
9987 .or_insert(background);
9988 }
9989
9990 // Add diff review drag selection highlight to text area
9991 if let Some(drag_state) = &self.editor.read(cx).diff_review_drag_state {
9992 let range = drag_state.row_range(&snapshot.display_snapshot);
9993 let start_row = range.start().0;
9994 let end_row = range.end().0;
9995 let drag_highlight_color =
9996 cx.theme().colors().editor_active_line_background;
9997 let drag_highlight = LineHighlight {
9998 background: solid_background(drag_highlight_color),
9999 border: Some(cx.theme().colors().border_focused),
10000 include_gutter: true,
10001 type_id: None,
10002 };
10003 for row_num in start_row..=end_row {
10004 highlighted_rows
10005 .entry(DisplayRow(row_num))
10006 .or_insert(drag_highlight);
10007 }
10008 }
10009
10010 let highlighted_gutter_ranges =
10011 self.editor.read(cx).gutter_highlights_in_range(
10012 start_anchor..end_anchor,
10013 &snapshot.display_snapshot,
10014 cx,
10015 );
10016
10017 let document_colors = self
10018 .editor
10019 .read(cx)
10020 .colors
10021 .as_ref()
10022 .map(|colors| colors.editor_display_highlights(&snapshot));
10023 let redacted_ranges = self.editor.read(cx).redacted_ranges(
10024 start_anchor..end_anchor,
10025 &snapshot.display_snapshot,
10026 cx,
10027 );
10028
10029 let (local_selections, selected_buffer_ids, latest_selection_anchors): (
10030 Vec<Selection<Point>>,
10031 Vec<BufferId>,
10032 HashMap<BufferId, Anchor>,
10033 ) = self
10034 .editor_with_selections(cx)
10035 .map(|editor| {
10036 editor.update(cx, |editor, cx| {
10037 let all_selections =
10038 editor.selections.all::<Point>(&snapshot.display_snapshot);
10039 let all_anchor_selections =
10040 editor.selections.all_anchors(&snapshot.display_snapshot);
10041 let selected_buffer_ids =
10042 if editor.buffer_kind(cx) == ItemBufferKind::Singleton {
10043 Vec::new()
10044 } else {
10045 let mut selected_buffer_ids =
10046 Vec::with_capacity(all_selections.len());
10047
10048 for selection in all_selections {
10049 for buffer_id in snapshot
10050 .buffer_snapshot()
10051 .buffer_ids_for_range(selection.range())
10052 {
10053 if selected_buffer_ids.last() != Some(&buffer_id) {
10054 selected_buffer_ids.push(buffer_id);
10055 }
10056 }
10057 }
10058
10059 selected_buffer_ids
10060 };
10061
10062 let mut selections = editor.selections.disjoint_in_range(
10063 start_anchor..end_anchor,
10064 &snapshot.display_snapshot,
10065 );
10066 selections
10067 .extend(editor.selections.pending(&snapshot.display_snapshot));
10068
10069 let mut anchors_by_buffer: HashMap<BufferId, (usize, Anchor)> =
10070 HashMap::default();
10071 for selection in all_anchor_selections.iter() {
10072 let head = selection.head();
10073 if let Some((text_anchor, _)) =
10074 snapshot.buffer_snapshot().anchor_to_buffer_anchor(head)
10075 {
10076 anchors_by_buffer
10077 .entry(text_anchor.buffer_id)
10078 .and_modify(|(latest_id, latest_anchor)| {
10079 if selection.id > *latest_id {
10080 *latest_id = selection.id;
10081 *latest_anchor = head;
10082 }
10083 })
10084 .or_insert((selection.id, head));
10085 }
10086 }
10087 let latest_selection_anchors = anchors_by_buffer
10088 .into_iter()
10089 .map(|(buffer_id, (_, anchor))| (buffer_id, anchor))
10090 .collect();
10091
10092 (selections, selected_buffer_ids, latest_selection_anchors)
10093 })
10094 })
10095 .unwrap_or_else(|| (Vec::new(), Vec::new(), HashMap::default()));
10096
10097 let (selections, mut active_rows, newest_selection_head) = self
10098 .layout_selections(
10099 start_anchor,
10100 end_anchor,
10101 &local_selections,
10102 &snapshot,
10103 start_row,
10104 end_row,
10105 window,
10106 cx,
10107 );
10108
10109 // relative rows are based on newest selection, even outside the visible area
10110 let current_selection_head = self.editor.update(cx, |editor, cx| {
10111 (editor.selections.count() != 0).then(|| {
10112 let newest = editor
10113 .selections
10114 .newest::<Point>(&editor.display_snapshot(cx));
10115
10116 SelectionLayout::new(
10117 newest,
10118 editor.selections.line_mode(),
10119 editor.cursor_offset_on_selection,
10120 editor.cursor_shape,
10121 &snapshot,
10122 true,
10123 true,
10124 None,
10125 )
10126 .head
10127 .row()
10128 })
10129 });
10130
10131 let run_indicator_rows = self.editor.update(cx, |editor, cx| {
10132 editor.active_run_indicators(start_row..end_row, window, cx)
10133 });
10134
10135 let mut breakpoint_rows = self.editor.update(cx, |editor, cx| {
10136 editor.active_breakpoints(start_row..end_row, window, cx)
10137 });
10138
10139 for (display_row, (_, bp, state)) in &breakpoint_rows {
10140 if bp.is_enabled() && state.is_none_or(|s| s.verified) {
10141 active_rows.entry(*display_row).or_default().breakpoint = true;
10142 }
10143 }
10144
10145 let gutter = Gutter {
10146 line_height,
10147 range: start_row..end_row,
10148 scroll_position,
10149 dimensions: &gutter_dimensions,
10150 hitbox: &gutter_hitbox,
10151 snapshot: &snapshot,
10152 row_infos: &row_infos,
10153 };
10154
10155 let line_numbers = self.layout_line_numbers(
10156 &gutter,
10157 &active_rows,
10158 current_selection_head,
10159 window,
10160 cx,
10161 );
10162
10163 let mut expand_toggles =
10164 window.with_element_namespace("expand_toggles", |window| {
10165 self.layout_expand_toggles(
10166 &gutter_hitbox,
10167 gutter_dimensions,
10168 em_width,
10169 line_height,
10170 scroll_position,
10171 &row_infos,
10172 window,
10173 cx,
10174 )
10175 });
10176
10177 let mut crease_toggles =
10178 window.with_element_namespace("crease_toggles", |window| {
10179 self.layout_crease_toggles(
10180 start_row..end_row,
10181 &row_infos,
10182 &active_rows,
10183 &snapshot,
10184 window,
10185 cx,
10186 )
10187 });
10188 let crease_trailers =
10189 window.with_element_namespace("crease_trailers", |window| {
10190 self.layout_crease_trailers(
10191 row_infos.iter().cloned(),
10192 &snapshot,
10193 window,
10194 cx,
10195 )
10196 });
10197
10198 let display_hunks = self.layout_gutter_diff_hunks(
10199 line_height,
10200 &gutter_hitbox,
10201 start_row..end_row,
10202 &snapshot,
10203 window,
10204 cx,
10205 );
10206
10207 Self::layout_word_diff_highlights(
10208 &display_hunks,
10209 &row_infos,
10210 start_row,
10211 &snapshot,
10212 &mut highlighted_ranges,
10213 cx,
10214 );
10215
10216 let merged_highlighted_ranges =
10217 if let Some((_, colors)) = document_colors.as_ref() {
10218 &highlighted_ranges
10219 .clone()
10220 .into_iter()
10221 .chain(colors.clone())
10222 .collect()
10223 } else {
10224 &highlighted_ranges
10225 };
10226 let bg_segments_per_row = Self::bg_segments_per_row(
10227 start_row..end_row,
10228 &selections,
10229 &merged_highlighted_ranges,
10230 self.style.background,
10231 );
10232
10233 let mut line_layouts = Self::layout_lines(
10234 start_row..end_row,
10235 &snapshot,
10236 &self.style,
10237 editor_width,
10238 is_row_soft_wrapped,
10239 &bg_segments_per_row,
10240 window,
10241 cx,
10242 );
10243 let new_renderer_widths = (!is_minimap).then(|| {
10244 line_layouts
10245 .iter()
10246 .flat_map(|layout| &layout.fragments)
10247 .filter_map(|fragment| {
10248 if let LineFragment::Element { id, size, .. } = fragment {
10249 Some((*id, size.width))
10250 } else {
10251 None
10252 }
10253 })
10254 });
10255 let renderer_widths_changed = request_layout.has_remaining_prepaint_depth()
10256 && new_renderer_widths.is_some_and(|new_renderer_widths| {
10257 self.editor.update(cx, |editor, cx| {
10258 editor.update_renderer_widths(new_renderer_widths, cx)
10259 })
10260 });
10261 if renderer_widths_changed {
10262 return self.prepaint(
10263 None,
10264 _inspector_id,
10265 bounds,
10266 request_layout,
10267 window,
10268 cx,
10269 );
10270 }
10271
10272 let longest_line_blame_width = self
10273 .editor
10274 .update(cx, |editor, cx| {
10275 if !editor.show_git_blame_inline {
10276 return None;
10277 }
10278 let blame = editor.blame.as_ref()?;
10279 let (_, blame_entry) = blame
10280 .update(cx, |blame, cx| {
10281 let row_infos =
10282 snapshot.row_infos(snapshot.longest_row()).next()?;
10283 blame.blame_for_rows(&[row_infos], cx).next()
10284 })
10285 .flatten()?;
10286 let mut element = render_inline_blame_entry(blame_entry, style, cx)?;
10287 let inline_blame_padding =
10288 ProjectSettings::get_global(cx).git.inline_blame.padding as f32
10289 * em_advance;
10290 Some(
10291 element
10292 .layout_as_root(AvailableSpace::min_size(), window, cx)
10293 .width
10294 + inline_blame_padding,
10295 )
10296 })
10297 .unwrap_or(Pixels::ZERO);
10298
10299 let longest_line_width = layout_line(
10300 snapshot.longest_row(),
10301 &snapshot,
10302 style,
10303 editor_width,
10304 is_row_soft_wrapped,
10305 window,
10306 cx,
10307 )
10308 .width;
10309
10310 let scrollbar_layout_information = ScrollbarLayoutInformation::new(
10311 text_hitbox.bounds,
10312 glyph_grid_cell,
10313 size(
10314 longest_line_width,
10315 Pixels::from(max_row.as_f64() * f64::from(line_height)),
10316 ),
10317 longest_line_blame_width,
10318 EditorSettings::get_global(cx),
10319 scroll_beyond_last_line,
10320 );
10321
10322 let mut scroll_width = scrollbar_layout_information.scroll_range.width;
10323
10324 let sticky_header_excerpt = if snapshot.buffer_snapshot().show_headers() {
10325 snapshot.sticky_header_excerpt(scroll_position.y)
10326 } else {
10327 None
10328 };
10329 let sticky_header_excerpt_id = sticky_header_excerpt
10330 .as_ref()
10331 .map(|top| top.excerpt.buffer_id());
10332
10333 let buffer = snapshot.buffer_snapshot();
10334 let start_buffer_row = MultiBufferRow(start_anchor.to_point(&buffer).row);
10335 let end_buffer_row = MultiBufferRow(end_anchor.to_point(&buffer).row);
10336
10337 let preliminary_scroll_pixel_position = point(
10338 scroll_position.x * f64::from(em_layout_width),
10339 scroll_position.y * f64::from(line_height),
10340 );
10341 let indent_guides = self.layout_indent_guides(
10342 content_origin,
10343 text_hitbox.origin,
10344 start_buffer_row..end_buffer_row,
10345 preliminary_scroll_pixel_position,
10346 line_height,
10347 &snapshot,
10348 window,
10349 cx,
10350 );
10351 let indent_guides_for_spacers = indent_guides.clone();
10352
10353 let blocks = (!is_minimap)
10354 .then(|| {
10355 window.with_element_namespace("blocks", |window| {
10356 self.render_blocks(
10357 start_row..end_row,
10358 &snapshot,
10359 &hitbox,
10360 &text_hitbox,
10361 editor_width,
10362 &mut scroll_width,
10363 &editor_margins,
10364 em_width,
10365 gutter_dimensions.full_width(),
10366 line_height,
10367 &mut line_layouts,
10368 &local_selections,
10369 &selected_buffer_ids,
10370 &latest_selection_anchors,
10371 is_row_soft_wrapped,
10372 sticky_header_excerpt_id,
10373 &indent_guides_for_spacers,
10374 window,
10375 cx,
10376 )
10377 })
10378 })
10379 .unwrap_or_default();
10380 let RenderBlocksOutput {
10381 non_spacer_blocks: mut blocks,
10382 mut spacer_blocks,
10383 row_block_types,
10384 resized_blocks,
10385 } = blocks;
10386 if let Some(resized_blocks) = resized_blocks {
10387 if request_layout.has_remaining_prepaint_depth() {
10388 self.editor.update(cx, |editor, cx| {
10389 editor.resize_blocks(
10390 resized_blocks,
10391 autoscroll_request.map(|(autoscroll, _)| autoscroll),
10392 cx,
10393 )
10394 });
10395 return self.prepaint(
10396 None,
10397 _inspector_id,
10398 bounds,
10399 request_layout,
10400 window,
10401 cx,
10402 );
10403 } else {
10404 debug_panic!(
10405 "dropping block resize because prepaint depth \
10406 limit was reached"
10407 );
10408 }
10409 }
10410
10411 let sticky_buffer_header = if self.should_show_buffer_headers() {
10412 sticky_header_excerpt.map(|sticky_header_excerpt| {
10413 window.with_element_namespace("blocks", |window| {
10414 self.layout_sticky_buffer_header(
10415 sticky_header_excerpt,
10416 scroll_position,
10417 line_height,
10418 right_margin,
10419 &snapshot,
10420 &hitbox,
10421 &selected_buffer_ids,
10422 &blocks,
10423 &latest_selection_anchors,
10424 window,
10425 cx,
10426 )
10427 })
10428 })
10429 } else {
10430 None
10431 };
10432
10433 let scroll_max: gpui::Point<ScrollPixelOffset> = point(
10434 ScrollPixelOffset::from(
10435 ((scroll_width - editor_width) / em_layout_width).max(0.0),
10436 ),
10437 max_scroll_top,
10438 );
10439
10440 self.editor.update(cx, |editor, cx| {
10441 if editor.scroll_manager.clamp_scroll_left(scroll_max.x, cx) {
10442 scroll_position.x = scroll_max.x.min(scroll_position.x);
10443 }
10444
10445 if needs_horizontal_autoscroll.0
10446 && let Some(new_scroll_position) = editor.autoscroll_horizontally(
10447 start_row,
10448 editor_width,
10449 scroll_width,
10450 em_advance,
10451 &line_layouts,
10452 autoscroll_request,
10453 window,
10454 cx,
10455 )
10456 {
10457 scroll_position = new_scroll_position;
10458 }
10459 });
10460
10461 let scroll_pixel_position = point(
10462 scroll_position.x * f64::from(em_layout_width),
10463 scroll_position.y * f64::from(line_height),
10464 );
10465 let sticky_headers = if !is_minimap
10466 && is_singleton
10467 && EditorSettings::get_global(cx).sticky_scroll.enabled
10468 {
10469 let relative = self.editor.read(cx).relative_line_numbers(cx);
10470 self.layout_sticky_headers(
10471 &snapshot,
10472 editor_width,
10473 is_row_soft_wrapped,
10474 line_height,
10475 scroll_pixel_position,
10476 content_origin,
10477 &gutter_dimensions,
10478 &gutter_hitbox,
10479 &text_hitbox,
10480 relative,
10481 current_selection_head,
10482 window,
10483 cx,
10484 )
10485 } else {
10486 None
10487 };
10488 let indent_guides =
10489 if scroll_pixel_position != preliminary_scroll_pixel_position {
10490 self.layout_indent_guides(
10491 content_origin,
10492 text_hitbox.origin,
10493 start_buffer_row..end_buffer_row,
10494 scroll_pixel_position,
10495 line_height,
10496 &snapshot,
10497 window,
10498 cx,
10499 )
10500 } else {
10501 indent_guides
10502 };
10503
10504 let crease_trailers =
10505 window.with_element_namespace("crease_trailers", |window| {
10506 self.prepaint_crease_trailers(
10507 crease_trailers,
10508 &line_layouts,
10509 line_height,
10510 content_origin,
10511 scroll_pixel_position,
10512 em_width,
10513 window,
10514 cx,
10515 )
10516 });
10517
10518 let (edit_prediction_popover, edit_prediction_popover_origin) = self
10519 .editor
10520 .update(cx, |editor, cx| {
10521 editor.render_edit_prediction_popover(
10522 &text_hitbox.bounds,
10523 content_origin,
10524 right_margin,
10525 &snapshot,
10526 start_row..end_row,
10527 scroll_position.y,
10528 scroll_position.y + height_in_lines,
10529 &line_layouts,
10530 line_height,
10531 scroll_position,
10532 scroll_pixel_position,
10533 newest_selection_head,
10534 editor_width,
10535 style,
10536 window,
10537 cx,
10538 )
10539 })
10540 .unzip();
10541
10542 let mut inline_diagnostics = self.layout_inline_diagnostics(
10543 &line_layouts,
10544 &crease_trailers,
10545 &row_block_types,
10546 content_origin,
10547 scroll_position,
10548 scroll_pixel_position,
10549 edit_prediction_popover_origin,
10550 start_row,
10551 end_row,
10552 line_height,
10553 em_width,
10554 style,
10555 window,
10556 cx,
10557 );
10558
10559 let mut inline_blame_layout = None;
10560 let mut inline_code_actions = None;
10561 if let Some(newest_selection_head) = newest_selection_head {
10562 let display_row = newest_selection_head.row();
10563 if (start_row..end_row).contains(&display_row)
10564 && !row_block_types.contains_key(&display_row)
10565 {
10566 inline_code_actions = self.layout_inline_code_actions(
10567 newest_selection_head,
10568 content_origin,
10569 scroll_position,
10570 scroll_pixel_position,
10571 line_height,
10572 &snapshot,
10573 window,
10574 cx,
10575 );
10576
10577 let line_ix = display_row.minus(start_row) as usize;
10578 if let (Some(row_info), Some(line_layout), Some(crease_trailer)) = (
10579 row_infos.get(line_ix),
10580 line_layouts.get(line_ix),
10581 crease_trailers.get(line_ix),
10582 ) {
10583 let crease_trailer_layout = crease_trailer.as_ref();
10584 if let Some(layout) = self.layout_inline_blame(
10585 display_row,
10586 row_info,
10587 line_layout,
10588 crease_trailer_layout,
10589 em_width,
10590 content_origin,
10591 scroll_position,
10592 scroll_pixel_position,
10593 line_height,
10594 window,
10595 cx,
10596 ) {
10597 inline_blame_layout = Some(layout);
10598 // Blame overrides inline diagnostics
10599 inline_diagnostics.remove(&display_row);
10600 }
10601 } else {
10602 log::error!(
10603 "bug: line_ix {} is out of bounds - row_infos.len(): {}, \
10604 line_layouts.len(): {}, \
10605 crease_trailers.len(): {}",
10606 line_ix,
10607 row_infos.len(),
10608 line_layouts.len(),
10609 crease_trailers.len(),
10610 );
10611 }
10612 }
10613 }
10614
10615 let blamed_display_rows = self.layout_blame_entries(
10616 &row_infos,
10617 em_width,
10618 scroll_position,
10619 line_height,
10620 &gutter_hitbox,
10621 gutter_dimensions.git_blame_entries_width,
10622 window,
10623 cx,
10624 );
10625
10626 let line_elements = self.prepaint_lines(
10627 start_row,
10628 &mut line_layouts,
10629 line_height,
10630 scroll_position,
10631 scroll_pixel_position,
10632 content_origin,
10633 window,
10634 cx,
10635 );
10636
10637 window.with_element_namespace("blocks", |window| {
10638 self.layout_blocks(
10639 &mut blocks,
10640 &hitbox,
10641 &gutter_hitbox,
10642 line_height,
10643 scroll_position,
10644 scroll_pixel_position,
10645 &editor_margins,
10646 window,
10647 cx,
10648 );
10649 self.layout_blocks(
10650 &mut spacer_blocks,
10651 &hitbox,
10652 &gutter_hitbox,
10653 line_height,
10654 scroll_position,
10655 scroll_pixel_position,
10656 &editor_margins,
10657 window,
10658 cx,
10659 );
10660 });
10661
10662 let cursors = self.collect_cursors(&snapshot, cx);
10663 let visible_row_range = start_row..end_row;
10664 let non_visible_cursors = cursors
10665 .iter()
10666 .any(|c| !visible_row_range.contains(&c.0.row()));
10667
10668 let visible_cursors = self.layout_visible_cursors(
10669 &snapshot,
10670 &selections,
10671 &row_block_types,
10672 start_row..end_row,
10673 &line_layouts,
10674 &text_hitbox,
10675 content_origin,
10676 scroll_position,
10677 scroll_pixel_position,
10678 line_height,
10679 em_width,
10680 em_advance,
10681 autoscroll_containing_element,
10682 &redacted_ranges,
10683 window,
10684 cx,
10685 );
10686
10687 let scrollbars_layout = self.layout_scrollbars(
10688 &snapshot,
10689 &scrollbar_layout_information,
10690 content_offset,
10691 scroll_position,
10692 non_visible_cursors,
10693 right_margin,
10694 editor_width,
10695 window,
10696 cx,
10697 );
10698
10699 let gutter_settings = EditorSettings::get_global(cx).gutter;
10700
10701 let context_menu_layout =
10702 if let Some(newest_selection_head) = newest_selection_head {
10703 let newest_selection_point =
10704 newest_selection_head.to_point(&snapshot.display_snapshot);
10705 if (start_row..end_row).contains(&newest_selection_head.row()) {
10706 self.layout_cursor_popovers(
10707 line_height,
10708 &text_hitbox,
10709 content_origin,
10710 right_margin,
10711 start_row,
10712 scroll_pixel_position,
10713 &line_layouts,
10714 newest_selection_head,
10715 newest_selection_point,
10716 style,
10717 window,
10718 cx,
10719 )
10720 } else {
10721 None
10722 }
10723 } else {
10724 None
10725 };
10726
10727 self.layout_gutter_menu(
10728 line_height,
10729 &text_hitbox,
10730 content_origin,
10731 right_margin,
10732 scroll_pixel_position,
10733 gutter_dimensions.width - gutter_dimensions.left_padding,
10734 window,
10735 cx,
10736 );
10737
10738 let test_indicators = if gutter_settings.runnables {
10739 self.layout_run_indicators(
10740 &gutter,
10741 &run_indicator_rows,
10742 &breakpoint_rows,
10743 window,
10744 cx,
10745 )
10746 } else {
10747 Vec::new()
10748 };
10749
10750 let show_bookmarks =
10751 snapshot.show_bookmarks.unwrap_or(gutter_settings.bookmarks);
10752
10753 let bookmark_rows = self.editor.update(cx, |editor, cx| {
10754 let mut rows = editor.active_bookmarks(start_row..end_row, window, cx);
10755 rows.retain(|k| !run_indicator_rows.contains(k));
10756 rows.retain(|k| !breakpoint_rows.contains_key(k));
10757 rows
10758 });
10759
10760 let bookmarks = if show_bookmarks {
10761 self.layout_bookmarks(&gutter, &bookmark_rows, window, cx)
10762 } else {
10763 Vec::new()
10764 };
10765
10766 let show_breakpoints = snapshot
10767 .show_breakpoints
10768 .unwrap_or(gutter_settings.breakpoints);
10769
10770 breakpoint_rows.retain(|k, _| !run_indicator_rows.contains(k));
10771 let mut breakpoints = if show_breakpoints {
10772 self.layout_breakpoints(&gutter, &breakpoint_rows, window, cx)
10773 } else {
10774 Vec::new()
10775 };
10776
10777 let gutter_hover_button = self
10778 .editor
10779 .read(cx)
10780 .gutter_hover_button
10781 .0
10782 .filter(|phantom| phantom.is_active)
10783 .map(|phantom| phantom.display_row);
10784
10785 if let Some(row) = gutter_hover_button
10786 && !breakpoint_rows.contains_key(&row)
10787 && !run_indicator_rows.contains(&row)
10788 && !bookmark_rows.contains(&row)
10789 && (show_bookmarks || show_breakpoints)
10790 {
10791 let position = snapshot
10792 .display_point_to_anchor(DisplayPoint::new(row, 0), Bias::Right);
10793 breakpoints.extend(
10794 self.layout_gutter_hover_button(&gutter, position, row, window, cx),
10795 );
10796 }
10797
10798 let git_gutter_width = Self::gutter_strip_width(line_height)
10799 + gutter_dimensions
10800 .git_blame_entries_width
10801 .unwrap_or_default();
10802 let available_width = gutter_dimensions.left_padding - git_gutter_width;
10803
10804 let max_line_number_length = self
10805 .editor
10806 .read(cx)
10807 .buffer()
10808 .read(cx)
10809 .snapshot(cx)
10810 .widest_line_number()
10811 .ilog10()
10812 + 1;
10813
10814 let diff_review_button = self
10815 .should_render_diff_review_button(
10816 start_row..end_row,
10817 &row_infos,
10818 &snapshot,
10819 cx,
10820 )
10821 .map(|(display_row, buffer_row)| {
10822 let is_wide = max_line_number_length
10823 >= EditorSettings::get_global(cx).gutter.min_line_number_digits
10824 as u32
10825 && buffer_row.is_some_and(|row| {
10826 (row + 1).ilog10() + 1 == max_line_number_length
10827 })
10828 || gutter_dimensions.right_padding == px(0.);
10829
10830 let button_width = if is_wide {
10831 available_width - px(6.)
10832 } else {
10833 available_width + em_width - px(6.)
10834 };
10835
10836 let button = self.editor.update(cx, |editor, cx| {
10837 editor
10838 .render_diff_review_button(display_row, button_width, cx)
10839 .into_any_element()
10840 });
10841 gutter.prepaint_button(button, display_row, window, cx)
10842 });
10843
10844 self.layout_signature_help(
10845 &hitbox,
10846 content_origin,
10847 scroll_pixel_position,
10848 newest_selection_head,
10849 start_row,
10850 &line_layouts,
10851 line_height,
10852 em_width,
10853 context_menu_layout,
10854 window,
10855 cx,
10856 );
10857
10858 if !cx.has_active_drag() {
10859 self.layout_hover_popovers(
10860 &snapshot,
10861 &hitbox,
10862 start_row..end_row,
10863 content_origin,
10864 scroll_pixel_position,
10865 &line_layouts,
10866 line_height,
10867 em_width,
10868 context_menu_layout,
10869 window,
10870 cx,
10871 );
10872
10873 self.layout_blame_popover(&snapshot, &hitbox, line_height, window, cx);
10874 }
10875
10876 let mouse_context_menu = self.layout_mouse_context_menu(
10877 &snapshot,
10878 start_row..end_row,
10879 content_origin,
10880 window,
10881 cx,
10882 );
10883
10884 window.with_element_namespace("crease_toggles", |window| {
10885 self.prepaint_crease_toggles(
10886 &mut crease_toggles,
10887 line_height,
10888 &gutter_dimensions,
10889 gutter_settings,
10890 scroll_pixel_position,
10891 &gutter_hitbox,
10892 window,
10893 cx,
10894 )
10895 });
10896
10897 window.with_element_namespace("expand_toggles", |window| {
10898 self.prepaint_expand_toggles(&mut expand_toggles, window, cx)
10899 });
10900
10901 let wrap_guides = self.layout_wrap_guides(
10902 em_advance,
10903 scroll_position,
10904 content_origin,
10905 scrollbars_layout.as_ref(),
10906 vertical_scrollbar_width,
10907 &hitbox,
10908 window,
10909 cx,
10910 );
10911
10912 let minimap = window.with_element_namespace("minimap", |window| {
10913 self.layout_minimap(
10914 &snapshot,
10915 minimap_width,
10916 scroll_position,
10917 &scrollbar_layout_information,
10918 scrollbars_layout.as_ref(),
10919 window,
10920 cx,
10921 )
10922 });
10923
10924 let invisible_symbol_font_size = font_size / 2.;
10925 let whitespace_map = &self
10926 .editor
10927 .read(cx)
10928 .buffer
10929 .read(cx)
10930 .language_settings(cx)
10931 .whitespace_map;
10932
10933 let tab_char = whitespace_map.tab.clone();
10934 let tab_len = tab_char.len();
10935 let tab_invisible = window.text_system().shape_line(
10936 tab_char,
10937 invisible_symbol_font_size,
10938 &[TextRun {
10939 len: tab_len,
10940 font: self.style.text.font(),
10941 color: cx.theme().colors().editor_invisible,
10942 ..Default::default()
10943 }],
10944 None,
10945 );
10946
10947 let space_char = whitespace_map.space.clone();
10948 let space_len = space_char.len();
10949 let space_invisible = window.text_system().shape_line(
10950 space_char,
10951 invisible_symbol_font_size,
10952 &[TextRun {
10953 len: space_len,
10954 font: self.style.text.font(),
10955 color: cx.theme().colors().editor_invisible,
10956 ..Default::default()
10957 }],
10958 None,
10959 );
10960
10961 let mode = snapshot.mode.clone();
10962
10963 let sticky_scroll_header_height = sticky_headers
10964 .as_ref()
10965 .and_then(|headers| headers.lines.last())
10966 .map_or(Pixels::ZERO, |last| last.offset + line_height);
10967
10968 let has_sticky_buffer_header =
10969 sticky_buffer_header.is_some() || sticky_header_excerpt_id.is_some();
10970 let sticky_header_height = if has_sticky_buffer_header {
10971 let full_height = FILE_HEADER_HEIGHT as f32 * line_height;
10972 let display_row = blocks
10973 .iter()
10974 .filter(|block| block.is_buffer_header)
10975 .find_map(|block| {
10976 block.row.filter(|row| row.0 > scroll_position.y as u32)
10977 });
10978 let offset = match display_row {
10979 Some(display_row) => {
10980 let max_row = display_row.0.saturating_sub(FILE_HEADER_HEIGHT);
10981 let offset = (scroll_position.y - max_row as f64).max(0.0);
10982 let slide_up =
10983 Pixels::from(offset * ScrollPixelOffset::from(line_height));
10984
10985 (full_height - slide_up).max(Pixels::ZERO)
10986 }
10987 None => full_height,
10988 };
10989 let header_bottom_padding =
10990 BUFFER_HEADER_PADDING.to_pixels(window.rem_size());
10991 sticky_scroll_header_height + offset - header_bottom_padding
10992 } else {
10993 sticky_scroll_header_height
10994 };
10995
10996 let (diff_hunk_controls, diff_hunk_control_bounds) =
10997 if is_read_only && !self.editor.read(cx).delegate_stage_and_restore {
10998 (vec![], vec![])
10999 } else {
11000 self.layout_diff_hunk_controls(
11001 start_row..end_row,
11002 &row_infos,
11003 &text_hitbox,
11004 current_selection_head,
11005 line_height,
11006 right_margin,
11007 scroll_pixel_position,
11008 sticky_header_height,
11009 &display_hunks,
11010 &highlighted_rows,
11011 self.editor.clone(),
11012 window,
11013 cx,
11014 )
11015 };
11016
11017 let position_map = Rc::new(PositionMap {
11018 size: bounds.size,
11019 visible_row_range,
11020 scroll_position,
11021 scroll_pixel_position,
11022 scroll_max,
11023 line_layouts,
11024 line_height,
11025 em_width,
11026 em_advance,
11027 em_layout_width,
11028 snapshot,
11029 text_align: self.style.text.text_align,
11030 content_width: text_hitbox.size.width,
11031 gutter_hitbox: gutter_hitbox.clone(),
11032 text_hitbox: text_hitbox.clone(),
11033 inline_blame_bounds: inline_blame_layout
11034 .as_ref()
11035 .map(|layout| (layout.bounds, layout.buffer_id, layout.entry.clone())),
11036 display_hunks: display_hunks.clone(),
11037 diff_hunk_control_bounds,
11038 });
11039
11040 self.editor.update(cx, |editor, _| {
11041 editor.last_position_map = Some(position_map.clone())
11042 });
11043
11044 EditorLayout {
11045 mode,
11046 position_map,
11047 visible_display_row_range: start_row..end_row,
11048 wrap_guides,
11049 indent_guides,
11050 hitbox,
11051 gutter_hitbox,
11052 display_hunks,
11053 content_origin,
11054 scrollbars_layout,
11055 minimap,
11056 active_rows,
11057 highlighted_rows,
11058 highlighted_ranges,
11059 highlighted_gutter_ranges,
11060 redacted_ranges,
11061 document_colors,
11062 line_elements,
11063 line_numbers,
11064 blamed_display_rows,
11065 inline_diagnostics,
11066 inline_blame_layout,
11067 inline_code_actions,
11068 blocks,
11069 spacer_blocks,
11070 cursors,
11071 visible_cursors,
11072 selections,
11073 edit_prediction_popover,
11074 diff_hunk_controls,
11075 mouse_context_menu,
11076 test_indicators,
11077 bookmarks,
11078 breakpoints,
11079 diff_review_button,
11080 crease_toggles,
11081 crease_trailers,
11082 tab_invisible,
11083 space_invisible,
11084 sticky_buffer_header,
11085 sticky_headers,
11086 expand_toggles,
11087 text_align: self.style.text.text_align,
11088 content_width: text_hitbox.size.width,
11089 }
11090 })
11091 })
11092 })
11093 }
11094
11095 fn paint(
11096 &mut self,
11097 _: Option<&GlobalElementId>,
11098 _inspector_id: Option<&gpui::InspectorElementId>,
11099 bounds: Bounds<gpui::Pixels>,
11100 _: &mut Self::RequestLayoutState,
11101 layout: &mut Self::PrepaintState,
11102 window: &mut Window,
11103 cx: &mut App,
11104 ) {
11105 if !layout.mode.is_minimap() {
11106 let focus_handle = self.editor.focus_handle(cx);
11107 let key_context = self
11108 .editor
11109 .update(cx, |editor, cx| editor.key_context(window, cx));
11110
11111 window.set_key_context(key_context);
11112 window.handle_input(
11113 &focus_handle,
11114 ElementInputHandler::new(bounds, self.editor.clone()),
11115 cx,
11116 );
11117 self.register_actions(window, cx);
11118 self.register_key_listeners(window, cx, layout);
11119 }
11120
11121 let text_style = TextStyleRefinement {
11122 font_size: Some(self.style.text.font_size),
11123 line_height: Some(self.style.text.line_height),
11124 ..Default::default()
11125 };
11126 let rem_size = self.rem_size(cx);
11127 window.with_rem_size(rem_size, |window| {
11128 window.with_text_style(Some(text_style), |window| {
11129 window.with_content_mask(Some(ContentMask { bounds }), |window| {
11130 self.paint_mouse_listeners(layout, window, cx);
11131
11132 // Mask the editor behind sticky scroll headers. Important
11133 // for transparent backgrounds.
11134 let below_sticky_headers_mask = layout
11135 .sticky_headers
11136 .as_ref()
11137 .and_then(|h| h.lines.last())
11138 .map(|last| ContentMask {
11139 bounds: Bounds {
11140 origin: point(
11141 bounds.origin.x,
11142 bounds.origin.y + last.offset + layout.position_map.line_height,
11143 ),
11144 size: size(
11145 bounds.size.width,
11146 (bounds.size.height
11147 - last.offset
11148 - layout.position_map.line_height)
11149 .max(Pixels::ZERO),
11150 ),
11151 },
11152 });
11153
11154 window.with_content_mask(below_sticky_headers_mask, |window| {
11155 self.paint_background(layout, window, cx);
11156
11157 self.paint_indent_guides(layout, window, cx);
11158
11159 if layout.gutter_hitbox.size.width > Pixels::ZERO {
11160 self.paint_blamed_display_rows(layout, window, cx);
11161 self.paint_line_numbers(layout, window, cx);
11162 }
11163
11164 self.paint_text(layout, window, cx);
11165
11166 if !layout.spacer_blocks.is_empty() {
11167 window.with_element_namespace("blocks", |window| {
11168 self.paint_spacer_blocks(layout, window, cx);
11169 });
11170 }
11171
11172 if layout.gutter_hitbox.size.width > Pixels::ZERO {
11173 self.paint_gutter_highlights(layout, window, cx);
11174 self.paint_gutter_indicators(layout, window, cx);
11175 }
11176
11177 if !layout.blocks.is_empty() {
11178 window.with_element_namespace("blocks", |window| {
11179 self.paint_non_spacer_blocks(layout, window, cx);
11180 });
11181 }
11182 });
11183
11184 window.with_element_namespace("blocks", |window| {
11185 if let Some(mut sticky_header) = layout.sticky_buffer_header.take() {
11186 sticky_header.paint(window, cx)
11187 }
11188 });
11189
11190 self.paint_sticky_headers(layout, window, cx);
11191 self.paint_minimap(layout, window, cx);
11192 self.paint_scrollbars(layout, window, cx);
11193 self.paint_edit_prediction_popover(layout, window, cx);
11194 self.paint_mouse_context_menu(layout, window, cx);
11195 });
11196 })
11197 })
11198 }
11199}
11200
11201pub(super) fn gutter_bounds(
11202 editor_bounds: Bounds<Pixels>,
11203 gutter_dimensions: GutterDimensions,
11204) -> Bounds<Pixels> {
11205 Bounds {
11206 origin: editor_bounds.origin,
11207 size: size(gutter_dimensions.width, editor_bounds.size.height),
11208 }
11209}
11210
11211#[derive(Clone, Copy)]
11212struct ContextMenuLayout {
11213 y_flipped: bool,
11214 bounds: Bounds<Pixels>,
11215}
11216
11217/// Holds information required for layouting the editor scrollbars.
11218struct ScrollbarLayoutInformation {
11219 /// The bounds of the editor area (excluding the content offset).
11220 editor_bounds: Bounds<Pixels>,
11221 /// The available range to scroll within the document.
11222 scroll_range: Size<Pixels>,
11223 /// The space available for one glyph in the editor.
11224 glyph_grid_cell: Size<Pixels>,
11225}
11226
11227impl ScrollbarLayoutInformation {
11228 pub fn new(
11229 editor_bounds: Bounds<Pixels>,
11230 glyph_grid_cell: Size<Pixels>,
11231 document_size: Size<Pixels>,
11232 longest_line_blame_width: Pixels,
11233 settings: &EditorSettings,
11234 scroll_beyond_last_line: ScrollBeyondLastLine,
11235 ) -> Self {
11236 let vertical_overscroll = match scroll_beyond_last_line {
11237 ScrollBeyondLastLine::OnePage => editor_bounds.size.height,
11238 ScrollBeyondLastLine::Off => glyph_grid_cell.height,
11239 ScrollBeyondLastLine::VerticalScrollMargin => {
11240 (1.0 + settings.vertical_scroll_margin) as f32 * glyph_grid_cell.height
11241 }
11242 };
11243
11244 let overscroll = size(longest_line_blame_width, vertical_overscroll);
11245
11246 ScrollbarLayoutInformation {
11247 editor_bounds,
11248 scroll_range: document_size + overscroll,
11249 glyph_grid_cell,
11250 }
11251 }
11252}
11253
11254impl IntoElement for EditorElement {
11255 type Element = Self;
11256
11257 fn into_element(self) -> Self::Element {
11258 self
11259 }
11260}
11261
11262pub struct EditorLayout {
11263 position_map: Rc<PositionMap>,
11264 hitbox: Hitbox,
11265 gutter_hitbox: Hitbox,
11266 content_origin: gpui::Point<Pixels>,
11267 scrollbars_layout: Option<EditorScrollbars>,
11268 minimap: Option<MinimapLayout>,
11269 mode: EditorMode,
11270 wrap_guides: SmallVec<[(Pixels, bool); 2]>,
11271 indent_guides: Option<Vec<IndentGuideLayout>>,
11272 visible_display_row_range: Range<DisplayRow>,
11273 active_rows: BTreeMap<DisplayRow, LineHighlightSpec>,
11274 highlighted_rows: BTreeMap<DisplayRow, LineHighlight>,
11275 line_elements: SmallVec<[AnyElement; 1]>,
11276 line_numbers: Arc<HashMap<MultiBufferRow, LineNumberLayout>>,
11277 display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
11278 blamed_display_rows: Option<Vec<AnyElement>>,
11279 inline_diagnostics: HashMap<DisplayRow, AnyElement>,
11280 inline_blame_layout: Option<InlineBlameLayout>,
11281 inline_code_actions: Option<AnyElement>,
11282 blocks: Vec<BlockLayout>,
11283 spacer_blocks: Vec<BlockLayout>,
11284 highlighted_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
11285 highlighted_gutter_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
11286 redacted_ranges: Vec<Range<DisplayPoint>>,
11287 cursors: Vec<(DisplayPoint, Hsla)>,
11288 visible_cursors: Vec<CursorLayout>,
11289 selections: Vec<(PlayerColor, Vec<SelectionLayout>)>,
11290 test_indicators: Vec<AnyElement>,
11291 bookmarks: Vec<AnyElement>,
11292 breakpoints: Vec<AnyElement>,
11293 diff_review_button: Option<AnyElement>,
11294 crease_toggles: Vec<Option<AnyElement>>,
11295 expand_toggles: Vec<Option<(AnyElement, gpui::Point<Pixels>)>>,
11296 diff_hunk_controls: Vec<AnyElement>,
11297 crease_trailers: Vec<Option<CreaseTrailerLayout>>,
11298 edit_prediction_popover: Option<AnyElement>,
11299 mouse_context_menu: Option<AnyElement>,
11300 tab_invisible: ShapedLine,
11301 space_invisible: ShapedLine,
11302 sticky_buffer_header: Option<AnyElement>,
11303 sticky_headers: Option<StickyHeaders>,
11304 document_colors: Option<(DocumentColorsRenderMode, Vec<(Range<DisplayPoint>, Hsla)>)>,
11305 text_align: TextAlign,
11306 content_width: Pixels,
11307}
11308
11309struct StickyHeaders {
11310 lines: Vec<StickyHeaderLine>,
11311 gutter_background: Hsla,
11312 content_background: Hsla,
11313 gutter_right_padding: Pixels,
11314}
11315
11316struct StickyHeaderLine {
11317 row: DisplayRow,
11318 offset: Pixels,
11319 line: Rc<LineWithInvisibles>,
11320 line_number: Option<ShapedLine>,
11321 elements: SmallVec<[AnyElement; 1]>,
11322 available_text_width: Pixels,
11323 hitbox: Hitbox,
11324}
11325
11326impl EditorLayout {
11327 fn line_end_overshoot(&self) -> Pixels {
11328 0.15 * self.position_map.line_height
11329 }
11330}
11331
11332impl StickyHeaders {
11333 fn paint(
11334 &mut self,
11335 layout: &mut EditorLayout,
11336 whitespace_setting: ShowWhitespaceSetting,
11337 window: &mut Window,
11338 cx: &mut App,
11339 ) {
11340 let line_height = layout.position_map.line_height;
11341
11342 for line in self.lines.iter_mut().rev() {
11343 window.paint_layer(
11344 Bounds::new(
11345 layout.gutter_hitbox.origin + point(Pixels::ZERO, line.offset),
11346 size(line.hitbox.size.width, line_height),
11347 ),
11348 |window| {
11349 let gutter_bounds = Bounds::new(
11350 layout.gutter_hitbox.origin + point(Pixels::ZERO, line.offset),
11351 size(layout.gutter_hitbox.size.width, line_height),
11352 );
11353 window.paint_quad(fill(gutter_bounds, self.gutter_background));
11354
11355 let text_bounds = Bounds::new(
11356 layout.position_map.text_hitbox.origin + point(Pixels::ZERO, line.offset),
11357 size(line.available_text_width, line_height),
11358 );
11359 window.paint_quad(fill(text_bounds, self.content_background));
11360
11361 if line.hitbox.is_hovered(window) {
11362 let hover_overlay = cx.theme().colors().panel_overlay_hover;
11363 window.paint_quad(fill(gutter_bounds, hover_overlay));
11364 window.paint_quad(fill(text_bounds, hover_overlay));
11365 }
11366
11367 line.paint(
11368 layout,
11369 self.gutter_right_padding,
11370 line.available_text_width,
11371 layout.content_origin,
11372 line_height,
11373 whitespace_setting,
11374 window,
11375 cx,
11376 );
11377 },
11378 );
11379
11380 window.set_cursor_style(CursorStyle::IBeam, &line.hitbox);
11381 }
11382 }
11383}
11384
11385impl StickyHeaderLine {
11386 fn new(
11387 row: DisplayRow,
11388 offset: Pixels,
11389 mut line: LineWithInvisibles,
11390 line_number: Option<ShapedLine>,
11391 line_height: Pixels,
11392 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
11393 content_origin: gpui::Point<Pixels>,
11394 gutter_hitbox: &Hitbox,
11395 text_hitbox: &Hitbox,
11396 window: &mut Window,
11397 cx: &mut App,
11398 ) -> Self {
11399 let mut elements = SmallVec::<[AnyElement; 1]>::new();
11400 line.prepaint_with_custom_offset(
11401 line_height,
11402 scroll_pixel_position,
11403 content_origin,
11404 offset,
11405 &mut elements,
11406 window,
11407 cx,
11408 );
11409
11410 let hitbox_bounds = Bounds::new(
11411 gutter_hitbox.origin + point(Pixels::ZERO, offset),
11412 size(text_hitbox.right() - gutter_hitbox.left(), line_height),
11413 );
11414 let available_text_width =
11415 (hitbox_bounds.size.width - gutter_hitbox.size.width).max(Pixels::ZERO);
11416
11417 Self {
11418 row,
11419 offset,
11420 line: Rc::new(line),
11421 line_number,
11422 elements,
11423 available_text_width,
11424 hitbox: window.insert_hitbox(hitbox_bounds, HitboxBehavior::BlockMouseExceptScroll),
11425 }
11426 }
11427
11428 fn paint(
11429 &mut self,
11430 layout: &EditorLayout,
11431 gutter_right_padding: Pixels,
11432 available_text_width: Pixels,
11433 content_origin: gpui::Point<Pixels>,
11434 line_height: Pixels,
11435 whitespace_setting: ShowWhitespaceSetting,
11436 window: &mut Window,
11437 cx: &mut App,
11438 ) {
11439 window.with_content_mask(
11440 Some(ContentMask {
11441 bounds: Bounds::new(
11442 layout.position_map.text_hitbox.bounds.origin
11443 + point(Pixels::ZERO, self.offset),
11444 size(available_text_width, line_height),
11445 ),
11446 }),
11447 |window| {
11448 self.line.draw_with_custom_offset(
11449 layout,
11450 self.row,
11451 content_origin,
11452 self.offset,
11453 whitespace_setting,
11454 &[],
11455 window,
11456 cx,
11457 );
11458 for element in &mut self.elements {
11459 element.paint(window, cx);
11460 }
11461 },
11462 );
11463
11464 if let Some(line_number) = &self.line_number {
11465 let gutter_origin = layout.gutter_hitbox.origin + point(Pixels::ZERO, self.offset);
11466 let gutter_width = layout.gutter_hitbox.size.width;
11467 let origin = point(
11468 gutter_origin.x + gutter_width - gutter_right_padding - line_number.width,
11469 gutter_origin.y,
11470 );
11471 line_number
11472 .paint(origin, line_height, TextAlign::Left, None, window, cx)
11473 .log_err();
11474 }
11475 }
11476}
11477
11478#[derive(Debug)]
11479struct LineNumberSegment {
11480 shaped_line: ShapedLine,
11481 hitbox: Option<Hitbox>,
11482}
11483
11484#[derive(Debug)]
11485struct LineNumberLayout {
11486 segments: SmallVec<[LineNumberSegment; 1]>,
11487}
11488
11489struct ColoredRange<T> {
11490 start: T,
11491 end: T,
11492 color: Hsla,
11493}
11494
11495impl Along for ScrollbarAxes {
11496 type Unit = bool;
11497
11498 fn along(&self, axis: ScrollbarAxis) -> Self::Unit {
11499 match axis {
11500 ScrollbarAxis::Horizontal => self.horizontal,
11501 ScrollbarAxis::Vertical => self.vertical,
11502 }
11503 }
11504
11505 fn apply_along(&self, axis: ScrollbarAxis, f: impl FnOnce(Self::Unit) -> Self::Unit) -> Self {
11506 match axis {
11507 ScrollbarAxis::Horizontal => ScrollbarAxes {
11508 horizontal: f(self.horizontal),
11509 vertical: self.vertical,
11510 },
11511 ScrollbarAxis::Vertical => ScrollbarAxes {
11512 horizontal: self.horizontal,
11513 vertical: f(self.vertical),
11514 },
11515 }
11516 }
11517}
11518
11519#[derive(Clone)]
11520struct EditorScrollbars {
11521 pub vertical: Option<ScrollbarLayout>,
11522 pub horizontal: Option<ScrollbarLayout>,
11523 pub visible: bool,
11524}
11525
11526impl EditorScrollbars {
11527 pub fn from_scrollbar_axes(
11528 show_scrollbar: ScrollbarAxes,
11529 layout_information: &ScrollbarLayoutInformation,
11530 content_offset: gpui::Point<Pixels>,
11531 scroll_position: gpui::Point<f64>,
11532 scrollbar_width: Pixels,
11533 right_margin: Pixels,
11534 editor_width: Pixels,
11535 show_scrollbars: bool,
11536 scrollbar_state: Option<&ActiveScrollbarState>,
11537 window: &mut Window,
11538 ) -> Self {
11539 let ScrollbarLayoutInformation {
11540 editor_bounds,
11541 scroll_range,
11542 glyph_grid_cell,
11543 } = layout_information;
11544
11545 let viewport_size = size(editor_width, editor_bounds.size.height);
11546
11547 let scrollbar_bounds_for = |axis: ScrollbarAxis| match axis {
11548 ScrollbarAxis::Horizontal => Bounds::from_anchor_and_size(
11549 gpui::Anchor::BottomLeft,
11550 editor_bounds.bottom_left(),
11551 size(
11552 // The horizontal viewport size differs from the space available for the
11553 // horizontal scrollbar, so we have to manually stitch it together here.
11554 editor_bounds.size.width - right_margin,
11555 scrollbar_width,
11556 ),
11557 ),
11558 ScrollbarAxis::Vertical => Bounds::from_anchor_and_size(
11559 gpui::Anchor::TopRight,
11560 editor_bounds.top_right(),
11561 size(scrollbar_width, viewport_size.height),
11562 ),
11563 };
11564
11565 let mut create_scrollbar_layout = |axis| {
11566 let viewport_size = viewport_size.along(axis);
11567 let scroll_range = scroll_range.along(axis);
11568
11569 // We always want a vertical scrollbar track for scrollbar diagnostic visibility.
11570 (show_scrollbar.along(axis)
11571 && (axis == ScrollbarAxis::Vertical || scroll_range > viewport_size))
11572 .then(|| {
11573 ScrollbarLayout::new(
11574 window.insert_hitbox(scrollbar_bounds_for(axis), HitboxBehavior::Normal),
11575 viewport_size,
11576 scroll_range,
11577 glyph_grid_cell.along(axis),
11578 content_offset.along(axis),
11579 scroll_position.along(axis),
11580 show_scrollbars,
11581 axis,
11582 )
11583 .with_thumb_state(
11584 scrollbar_state.and_then(|state| state.thumb_state_for_axis(axis)),
11585 )
11586 })
11587 };
11588
11589 Self {
11590 vertical: create_scrollbar_layout(ScrollbarAxis::Vertical),
11591 horizontal: create_scrollbar_layout(ScrollbarAxis::Horizontal),
11592 visible: show_scrollbars,
11593 }
11594 }
11595
11596 pub fn iter_scrollbars(&self) -> impl Iterator<Item = (&ScrollbarLayout, ScrollbarAxis)> + '_ {
11597 [
11598 (&self.vertical, ScrollbarAxis::Vertical),
11599 (&self.horizontal, ScrollbarAxis::Horizontal),
11600 ]
11601 .into_iter()
11602 .filter_map(|(scrollbar, axis)| scrollbar.as_ref().map(|s| (s, axis)))
11603 }
11604
11605 /// Returns the currently hovered scrollbar axis, if any.
11606 pub fn get_hovered_axis(&self, window: &Window) -> Option<(&ScrollbarLayout, ScrollbarAxis)> {
11607 self.iter_scrollbars()
11608 .find(|s| s.0.hitbox.is_hovered(window))
11609 }
11610}
11611
11612#[derive(Clone)]
11613struct ScrollbarLayout {
11614 hitbox: Hitbox,
11615 visible_range: Range<ScrollOffset>,
11616 text_unit_size: Pixels,
11617 thumb_bounds: Option<Bounds<Pixels>>,
11618 thumb_state: ScrollbarThumbState,
11619}
11620
11621impl ScrollbarLayout {
11622 const BORDER_WIDTH: Pixels = px(1.0);
11623 const LINE_MARKER_HEIGHT: Pixels = px(2.0);
11624 const MIN_MARKER_HEIGHT: Pixels = px(5.0);
11625 const MIN_THUMB_SIZE: Pixels = px(25.0);
11626
11627 fn new(
11628 scrollbar_track_hitbox: Hitbox,
11629 viewport_size: Pixels,
11630 scroll_range: Pixels,
11631 glyph_space: Pixels,
11632 content_offset: Pixels,
11633 scroll_position: ScrollOffset,
11634 show_thumb: bool,
11635 axis: ScrollbarAxis,
11636 ) -> Self {
11637 let track_bounds = scrollbar_track_hitbox.bounds;
11638 // The length of the track available to the scrollbar thumb. We deliberately
11639 // exclude the content size here so that the thumb aligns with the content.
11640 let track_length = track_bounds.size.along(axis) - content_offset;
11641
11642 Self::new_with_hitbox_and_track_length(
11643 scrollbar_track_hitbox,
11644 track_length,
11645 viewport_size,
11646 scroll_range.into(),
11647 glyph_space,
11648 content_offset.into(),
11649 scroll_position,
11650 show_thumb,
11651 axis,
11652 )
11653 }
11654
11655 fn for_minimap(
11656 minimap_track_hitbox: Hitbox,
11657 visible_lines: f64,
11658 total_editor_lines: f64,
11659 minimap_line_height: Pixels,
11660 scroll_position: ScrollOffset,
11661 minimap_scroll_top: ScrollOffset,
11662 show_thumb: bool,
11663 ) -> Self {
11664 // The scrollbar thumb size is calculated as
11665 // (visible_content/total_content) Γ scrollbar_track_length.
11666 //
11667 // For the minimap's thumb layout, we leverage this by setting the
11668 // scrollbar track length to the entire document size (using minimap line
11669 // height). This creates a thumb that exactly represents the editor
11670 // viewport scaled to minimap proportions.
11671 //
11672 // We adjust the thumb position relative to `minimap_scroll_top` to
11673 // accommodate for the deliberately oversized track.
11674 //
11675 // This approach ensures that the minimap thumb accurately reflects the
11676 // editor's current scroll position whilst nicely synchronizing the minimap
11677 // thumb and scrollbar thumb.
11678 let scroll_range = total_editor_lines * f64::from(minimap_line_height);
11679 let viewport_size = visible_lines * f64::from(minimap_line_height);
11680
11681 let track_top_offset = -minimap_scroll_top * f64::from(minimap_line_height);
11682
11683 Self::new_with_hitbox_and_track_length(
11684 minimap_track_hitbox,
11685 Pixels::from(scroll_range),
11686 Pixels::from(viewport_size),
11687 scroll_range,
11688 minimap_line_height,
11689 track_top_offset,
11690 scroll_position,
11691 show_thumb,
11692 ScrollbarAxis::Vertical,
11693 )
11694 }
11695
11696 fn new_with_hitbox_and_track_length(
11697 scrollbar_track_hitbox: Hitbox,
11698 track_length: Pixels,
11699 viewport_size: Pixels,
11700 scroll_range: f64,
11701 glyph_space: Pixels,
11702 content_offset: ScrollOffset,
11703 scroll_position: ScrollOffset,
11704 show_thumb: bool,
11705 axis: ScrollbarAxis,
11706 ) -> Self {
11707 let text_units_per_page = viewport_size.to_f64() / glyph_space.to_f64();
11708 let visible_range = scroll_position..scroll_position + text_units_per_page;
11709 let total_text_units = scroll_range / glyph_space.to_f64();
11710
11711 let thumb_percentage = text_units_per_page / total_text_units;
11712 let thumb_size = Pixels::from(ScrollOffset::from(track_length) * thumb_percentage)
11713 .max(ScrollbarLayout::MIN_THUMB_SIZE)
11714 .min(track_length);
11715
11716 let text_unit_divisor = (total_text_units - text_units_per_page).max(0.);
11717
11718 let content_larger_than_viewport = text_unit_divisor > 0.;
11719
11720 let text_unit_size = if content_larger_than_viewport {
11721 Pixels::from(ScrollOffset::from(track_length - thumb_size) / text_unit_divisor)
11722 } else {
11723 glyph_space
11724 };
11725
11726 let thumb_bounds = (show_thumb && content_larger_than_viewport).then(|| {
11727 Self::thumb_bounds(
11728 &scrollbar_track_hitbox,
11729 content_offset,
11730 visible_range.start,
11731 text_unit_size,
11732 thumb_size,
11733 axis,
11734 )
11735 });
11736
11737 ScrollbarLayout {
11738 hitbox: scrollbar_track_hitbox,
11739 visible_range,
11740 text_unit_size,
11741 thumb_bounds,
11742 thumb_state: Default::default(),
11743 }
11744 }
11745
11746 fn with_thumb_state(self, thumb_state: Option<ScrollbarThumbState>) -> Self {
11747 if let Some(thumb_state) = thumb_state {
11748 Self {
11749 thumb_state,
11750 ..self
11751 }
11752 } else {
11753 self
11754 }
11755 }
11756
11757 fn thumb_bounds(
11758 scrollbar_track: &Hitbox,
11759 content_offset: f64,
11760 visible_range_start: f64,
11761 text_unit_size: Pixels,
11762 thumb_size: Pixels,
11763 axis: ScrollbarAxis,
11764 ) -> Bounds<Pixels> {
11765 let thumb_origin = scrollbar_track.origin.apply_along(axis, |origin| {
11766 origin
11767 + Pixels::from(
11768 content_offset + visible_range_start * ScrollOffset::from(text_unit_size),
11769 )
11770 });
11771 Bounds::new(
11772 thumb_origin,
11773 scrollbar_track.size.apply_along(axis, |_| thumb_size),
11774 )
11775 }
11776
11777 fn thumb_hovered(&self, position: &gpui::Point<Pixels>) -> bool {
11778 self.thumb_bounds
11779 .is_some_and(|bounds| bounds.contains(position))
11780 }
11781
11782 fn marker_quads_for_ranges(
11783 &self,
11784 row_ranges: impl IntoIterator<Item = ColoredRange<DisplayRow>>,
11785 column: Option<usize>,
11786 ) -> Vec<PaintQuad> {
11787 struct MinMax {
11788 min: Pixels,
11789 max: Pixels,
11790 }
11791 let (x_range, height_limit) = if let Some(column) = column {
11792 let column_width = ((self.hitbox.size.width - Self::BORDER_WIDTH) / 3.0).floor();
11793 let start = Self::BORDER_WIDTH + (column as f32 * column_width);
11794 let end = start + column_width;
11795 (
11796 Range { start, end },
11797 MinMax {
11798 min: Self::MIN_MARKER_HEIGHT,
11799 max: px(f32::MAX),
11800 },
11801 )
11802 } else {
11803 (
11804 Range {
11805 start: Self::BORDER_WIDTH,
11806 end: self.hitbox.size.width,
11807 },
11808 MinMax {
11809 min: Self::LINE_MARKER_HEIGHT,
11810 max: Self::LINE_MARKER_HEIGHT,
11811 },
11812 )
11813 };
11814
11815 let row_to_y = |row: DisplayRow| row.as_f64() as f32 * self.text_unit_size;
11816 let mut pixel_ranges = row_ranges
11817 .into_iter()
11818 .map(|range| {
11819 let start_y = row_to_y(range.start);
11820 let end_y = row_to_y(range.end)
11821 + self
11822 .text_unit_size
11823 .max(height_limit.min)
11824 .min(height_limit.max);
11825 ColoredRange {
11826 start: start_y,
11827 end: end_y,
11828 color: range.color,
11829 }
11830 })
11831 .peekable();
11832
11833 let mut quads = Vec::new();
11834 while let Some(mut pixel_range) = pixel_ranges.next() {
11835 while let Some(next_pixel_range) = pixel_ranges.peek() {
11836 if pixel_range.end >= next_pixel_range.start - px(1.0)
11837 && pixel_range.color == next_pixel_range.color
11838 {
11839 pixel_range.end = next_pixel_range.end.max(pixel_range.end);
11840 pixel_ranges.next();
11841 } else {
11842 break;
11843 }
11844 }
11845
11846 let bounds = Bounds::from_corners(
11847 point(x_range.start, pixel_range.start),
11848 point(x_range.end, pixel_range.end),
11849 );
11850 quads.push(quad(
11851 bounds,
11852 Corners::default(),
11853 pixel_range.color,
11854 Edges::default(),
11855 Hsla::transparent_black(),
11856 BorderStyle::default(),
11857 ));
11858 }
11859
11860 quads
11861 }
11862}
11863
11864struct MinimapLayout {
11865 pub minimap: AnyElement,
11866 pub thumb_layout: ScrollbarLayout,
11867 pub minimap_scroll_top: ScrollOffset,
11868 pub minimap_line_height: Pixels,
11869 pub thumb_border_style: MinimapThumbBorder,
11870 pub max_scroll_top: ScrollOffset,
11871}
11872
11873impl MinimapLayout {
11874 /// The minimum width of the minimap in columns. If the minimap is smaller than this, it will be hidden.
11875 const MINIMAP_MIN_WIDTH_COLUMNS: f32 = 20.;
11876 /// The minimap width as a percentage of the editor width.
11877 const MINIMAP_WIDTH_PCT: f32 = 0.15;
11878 /// Calculates the scroll top offset the minimap editor has to have based on the
11879 /// current scroll progress.
11880 fn calculate_minimap_top_offset(
11881 document_lines: f64,
11882 visible_editor_lines: f64,
11883 visible_minimap_lines: f64,
11884 scroll_position: f64,
11885 ) -> ScrollOffset {
11886 let non_visible_document_lines = (document_lines - visible_editor_lines).max(0.);
11887 if non_visible_document_lines == 0. {
11888 0.
11889 } else {
11890 let scroll_percentage = (scroll_position / non_visible_document_lines).clamp(0., 1.);
11891 scroll_percentage * (document_lines - visible_minimap_lines).max(0.)
11892 }
11893 }
11894}
11895
11896struct CreaseTrailerLayout {
11897 element: AnyElement,
11898 bounds: Bounds<Pixels>,
11899}
11900
11901pub(crate) struct PositionMap {
11902 pub size: Size<Pixels>,
11903 pub line_height: Pixels,
11904 pub scroll_position: gpui::Point<ScrollOffset>,
11905 pub scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
11906 pub scroll_max: gpui::Point<ScrollOffset>,
11907 pub em_width: Pixels,
11908 pub em_advance: Pixels,
11909 pub em_layout_width: Pixels,
11910 pub visible_row_range: Range<DisplayRow>,
11911 pub line_layouts: Vec<LineWithInvisibles>,
11912 pub snapshot: EditorSnapshot,
11913 pub text_align: TextAlign,
11914 pub content_width: Pixels,
11915 pub text_hitbox: Hitbox,
11916 pub gutter_hitbox: Hitbox,
11917 pub inline_blame_bounds: Option<(Bounds<Pixels>, BufferId, BlameEntry)>,
11918 pub display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
11919 pub diff_hunk_control_bounds: Vec<(DisplayRow, Bounds<Pixels>)>,
11920}
11921
11922#[derive(Debug, Copy, Clone)]
11923pub struct PointForPosition {
11924 pub previous_valid: DisplayPoint,
11925 pub next_valid: DisplayPoint,
11926 pub nearest_valid: DisplayPoint,
11927 pub exact_unclipped: DisplayPoint,
11928 pub column_overshoot_after_line_end: u32,
11929}
11930
11931impl PointForPosition {
11932 pub fn as_valid(&self) -> Option<DisplayPoint> {
11933 if self.previous_valid == self.exact_unclipped && self.next_valid == self.exact_unclipped {
11934 Some(self.previous_valid)
11935 } else {
11936 None
11937 }
11938 }
11939
11940 pub fn intersects_selection(&self, selection: &Selection<DisplayPoint>) -> bool {
11941 let Some(valid_point) = self.as_valid() else {
11942 return false;
11943 };
11944 let range = selection.range();
11945
11946 let candidate_row = valid_point.row();
11947 let candidate_col = valid_point.column();
11948
11949 let start_row = range.start.row();
11950 let start_col = range.start.column();
11951 let end_row = range.end.row();
11952 let end_col = range.end.column();
11953
11954 if candidate_row < start_row || candidate_row > end_row {
11955 false
11956 } else if start_row == end_row {
11957 candidate_col >= start_col && candidate_col < end_col
11958 } else if candidate_row == start_row {
11959 candidate_col >= start_col
11960 } else if candidate_row == end_row {
11961 candidate_col < end_col
11962 } else {
11963 true
11964 }
11965 }
11966}
11967
11968impl PositionMap {
11969 pub(crate) fn point_for_position(&self, position: gpui::Point<Pixels>) -> PointForPosition {
11970 let text_bounds = self.text_hitbox.bounds;
11971 let scroll_position = self.snapshot.scroll_position();
11972 let position = position - text_bounds.origin;
11973 let y = position.y.max(px(0.)).min(self.size.height);
11974 let x = position.x + (scroll_position.x as f32 * self.em_layout_width);
11975 let row = ((y / self.line_height) as f64 + scroll_position.y) as u32;
11976
11977 let (column, x_overshoot_after_line_end) = if let Some(line) = self
11978 .line_layouts
11979 .get(row as usize - scroll_position.y as usize)
11980 {
11981 let alignment_offset = line.alignment_offset(self.text_align, self.content_width);
11982 let x_relative_to_text = x - alignment_offset;
11983 if let Some(ix) = line.index_for_x(x_relative_to_text) {
11984 (ix as u32, px(0.))
11985 } else {
11986 (line.len as u32, px(0.).max(x_relative_to_text - line.width))
11987 }
11988 } else {
11989 (0, x)
11990 };
11991
11992 let mut exact_unclipped = DisplayPoint::new(DisplayRow(row), column);
11993 let previous_valid = self.snapshot.clip_point(exact_unclipped, Bias::Left);
11994 let next_valid = self.snapshot.clip_point(exact_unclipped, Bias::Right);
11995
11996 let nearest_valid = if previous_valid == next_valid {
11997 previous_valid
11998 } else {
11999 match self.snapshot.inlay_bias_at(exact_unclipped) {
12000 Some(Bias::Left) => next_valid,
12001 Some(Bias::Right) => previous_valid,
12002 None => previous_valid,
12003 }
12004 };
12005
12006 let column_overshoot_after_line_end =
12007 (x_overshoot_after_line_end / self.em_layout_width) as u32;
12008 *exact_unclipped.column_mut() += column_overshoot_after_line_end;
12009 PointForPosition {
12010 previous_valid,
12011 next_valid,
12012 nearest_valid,
12013 exact_unclipped,
12014 column_overshoot_after_line_end,
12015 }
12016 }
12017
12018 fn point_for_position_on_line(
12019 &self,
12020 position: gpui::Point<Pixels>,
12021 row: DisplayRow,
12022 line: &LineWithInvisibles,
12023 ) -> PointForPosition {
12024 let text_bounds = self.text_hitbox.bounds;
12025 let scroll_position = self.snapshot.scroll_position();
12026 let position = position - text_bounds.origin;
12027 let x = position.x + (scroll_position.x as f32 * self.em_layout_width);
12028
12029 let alignment_offset = line.alignment_offset(self.text_align, self.content_width);
12030 let x_relative_to_text = x - alignment_offset;
12031 let (column, x_overshoot_after_line_end) =
12032 if let Some(ix) = line.index_for_x(x_relative_to_text) {
12033 (ix as u32, px(0.))
12034 } else {
12035 (line.len as u32, px(0.).max(x_relative_to_text - line.width))
12036 };
12037
12038 let mut exact_unclipped = DisplayPoint::new(row, column);
12039 let previous_valid = self.snapshot.clip_point(exact_unclipped, Bias::Left);
12040 let next_valid = self.snapshot.clip_point(exact_unclipped, Bias::Right);
12041
12042 let nearest_valid = if previous_valid == next_valid {
12043 previous_valid
12044 } else {
12045 match self.snapshot.inlay_bias_at(exact_unclipped) {
12046 Some(Bias::Left) => next_valid,
12047 Some(Bias::Right) => previous_valid,
12048 None => previous_valid,
12049 }
12050 };
12051
12052 let column_overshoot_after_line_end =
12053 (x_overshoot_after_line_end / self.em_layout_width) as u32;
12054 *exact_unclipped.column_mut() += column_overshoot_after_line_end;
12055 PointForPosition {
12056 previous_valid,
12057 next_valid,
12058 nearest_valid,
12059 exact_unclipped,
12060 column_overshoot_after_line_end,
12061 }
12062 }
12063}
12064
12065pub(crate) struct BlockLayout {
12066 pub(crate) id: BlockId,
12067 pub(crate) x_offset: Pixels,
12068 pub(crate) row: Option<DisplayRow>,
12069 pub(crate) element: AnyElement,
12070 pub(crate) available_space: Size<AvailableSpace>,
12071 pub(crate) style: BlockStyle,
12072 pub(crate) overlaps_gutter: bool,
12073 pub(crate) is_buffer_header: bool,
12074}
12075
12076pub fn layout_line(
12077 row: DisplayRow,
12078 snapshot: &EditorSnapshot,
12079 style: &EditorStyle,
12080 text_width: Pixels,
12081 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
12082 window: &mut Window,
12083 cx: &mut App,
12084) -> LineWithInvisibles {
12085 let use_tree_sitter =
12086 !snapshot.semantic_tokens_enabled || snapshot.use_tree_sitter_for_syntax(row, cx);
12087 let language_aware = LanguageAwareStyling {
12088 tree_sitter: use_tree_sitter,
12089 diagnostics: true,
12090 };
12091 let chunks = snapshot.highlighted_chunks(row..row + DisplayRow(1), language_aware, style);
12092 LineWithInvisibles::from_chunks(
12093 chunks,
12094 style,
12095 MAX_LINE_LEN,
12096 1,
12097 &snapshot.mode,
12098 text_width,
12099 is_row_soft_wrapped,
12100 &[],
12101 window,
12102 cx,
12103 )
12104 .pop()
12105 .unwrap()
12106}
12107
12108#[derive(Debug, Clone)]
12109pub struct IndentGuideLayout {
12110 origin: gpui::Point<Pixels>,
12111 length: Pixels,
12112 single_indent_width: Pixels,
12113 display_row_range: Range<DisplayRow>,
12114 depth: u32,
12115 active: bool,
12116 settings: IndentGuideSettings,
12117}
12118
12119pub struct CursorLayout {
12120 origin: gpui::Point<Pixels>,
12121 block_width: Pixels,
12122 line_height: Pixels,
12123 color: Hsla,
12124 shape: CursorShape,
12125 block_text: Option<ShapedLine>,
12126 cursor_name: Option<AnyElement>,
12127}
12128
12129#[derive(Debug)]
12130pub struct CursorName {
12131 string: SharedString,
12132 color: Hsla,
12133 is_top_row: bool,
12134}
12135
12136impl CursorLayout {
12137 pub fn new(
12138 origin: gpui::Point<Pixels>,
12139 block_width: Pixels,
12140 line_height: Pixels,
12141 color: Hsla,
12142 shape: CursorShape,
12143 block_text: Option<ShapedLine>,
12144 ) -> CursorLayout {
12145 CursorLayout {
12146 origin,
12147 block_width,
12148 line_height,
12149 color,
12150 shape,
12151 block_text,
12152 cursor_name: None,
12153 }
12154 }
12155
12156 pub fn bounding_rect(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
12157 Bounds {
12158 origin: self.origin + origin,
12159 size: size(self.block_width, self.line_height),
12160 }
12161 }
12162
12163 fn bounds(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
12164 match self.shape {
12165 CursorShape::Bar => Bounds {
12166 origin: self.origin + origin,
12167 size: size(px(2.0), self.line_height),
12168 },
12169 CursorShape::Block | CursorShape::Hollow => Bounds {
12170 origin: self.origin + origin,
12171 size: size(self.block_width, self.line_height),
12172 },
12173 CursorShape::Underline => Bounds {
12174 origin: self.origin
12175 + origin
12176 + gpui::Point::new(Pixels::ZERO, self.line_height - px(2.0)),
12177 size: size(self.block_width, px(2.0)),
12178 },
12179 }
12180 }
12181
12182 pub fn layout(
12183 &mut self,
12184 origin: gpui::Point<Pixels>,
12185 cursor_name: Option<CursorName>,
12186 window: &mut Window,
12187 cx: &mut App,
12188 ) {
12189 if let Some(cursor_name) = cursor_name {
12190 let bounds = self.bounds(origin);
12191 let text_size = self.line_height / 1.5;
12192
12193 let name_origin = if cursor_name.is_top_row {
12194 point(bounds.right() - px(1.), bounds.top())
12195 } else {
12196 match self.shape {
12197 CursorShape::Bar => point(
12198 bounds.right() - px(2.),
12199 bounds.top() - text_size / 2. - px(1.),
12200 ),
12201 _ => point(
12202 bounds.right() - px(1.),
12203 bounds.top() - text_size / 2. - px(1.),
12204 ),
12205 }
12206 };
12207 let mut name_element = div()
12208 .bg(self.color)
12209 .text_size(text_size)
12210 .px_0p5()
12211 .line_height(text_size + px(2.))
12212 .text_color(cursor_name.color)
12213 .child(cursor_name.string)
12214 .into_any_element();
12215
12216 name_element.prepaint_as_root(name_origin, AvailableSpace::min_size(), window, cx);
12217
12218 self.cursor_name = Some(name_element);
12219 }
12220 }
12221
12222 pub fn paint(&mut self, origin: gpui::Point<Pixels>, window: &mut Window, cx: &mut App) {
12223 let bounds = self.bounds(origin);
12224
12225 //Draw background or border quad
12226 let cursor = if matches!(self.shape, CursorShape::Hollow) {
12227 outline(bounds, self.color, BorderStyle::Solid)
12228 } else {
12229 fill(bounds, self.color)
12230 };
12231
12232 if let Some(name) = &mut self.cursor_name {
12233 name.paint(window, cx);
12234 }
12235
12236 window.paint_quad(cursor);
12237
12238 if let Some(block_text) = &self.block_text {
12239 block_text
12240 .paint(
12241 self.origin + origin,
12242 self.line_height,
12243 TextAlign::Left,
12244 None,
12245 window,
12246 cx,
12247 )
12248 .log_err();
12249 }
12250 }
12251
12252 pub fn shape(&self) -> CursorShape {
12253 self.shape
12254 }
12255}
12256
12257#[derive(Debug)]
12258pub struct HighlightedRange {
12259 pub start_y: Pixels,
12260 pub line_height: Pixels,
12261 pub lines: Vec<HighlightedRangeLine>,
12262 pub color: Hsla,
12263 pub corner_radius: Pixels,
12264}
12265
12266#[derive(Debug)]
12267pub struct HighlightedRangeLine {
12268 pub start_x: Pixels,
12269 pub end_x: Pixels,
12270}
12271
12272impl HighlightedRange {
12273 pub fn paint(&self, fill: bool, bounds: Bounds<Pixels>, window: &mut Window) {
12274 if self.lines.len() >= 2 && self.lines[0].start_x > self.lines[1].end_x {
12275 self.paint_lines(self.start_y, &self.lines[0..1], fill, bounds, window);
12276 self.paint_lines(
12277 self.start_y + self.line_height,
12278 &self.lines[1..],
12279 fill,
12280 bounds,
12281 window,
12282 );
12283 } else {
12284 self.paint_lines(self.start_y, &self.lines, fill, bounds, window);
12285 }
12286 }
12287
12288 fn paint_lines(
12289 &self,
12290 start_y: Pixels,
12291 lines: &[HighlightedRangeLine],
12292 fill: bool,
12293 _bounds: Bounds<Pixels>,
12294 window: &mut Window,
12295 ) {
12296 if lines.is_empty() {
12297 return;
12298 }
12299
12300 let first_line = lines.first().unwrap();
12301 let last_line = lines.last().unwrap();
12302
12303 let first_top_left = point(first_line.start_x, start_y);
12304 let first_top_right = point(first_line.end_x, start_y);
12305
12306 let curve_height = point(Pixels::ZERO, self.corner_radius);
12307 let curve_width = |start_x: Pixels, end_x: Pixels| {
12308 let max = (end_x - start_x) / 2.;
12309 let width = if max < self.corner_radius {
12310 max
12311 } else {
12312 self.corner_radius
12313 };
12314
12315 point(width, Pixels::ZERO)
12316 };
12317
12318 let top_curve_width = curve_width(first_line.start_x, first_line.end_x);
12319 let mut builder = if fill {
12320 gpui::PathBuilder::fill()
12321 } else {
12322 gpui::PathBuilder::stroke(px(1.))
12323 };
12324 builder.move_to(first_top_right - top_curve_width);
12325 builder.curve_to(first_top_right + curve_height, first_top_right);
12326
12327 let mut iter = lines.iter().enumerate().peekable();
12328 while let Some((ix, line)) = iter.next() {
12329 let bottom_right = point(line.end_x, start_y + (ix + 1) as f32 * self.line_height);
12330
12331 if let Some((_, next_line)) = iter.peek() {
12332 let next_top_right = point(next_line.end_x, bottom_right.y);
12333
12334 match next_top_right.x.partial_cmp(&bottom_right.x).unwrap() {
12335 Ordering::Equal => {
12336 builder.line_to(bottom_right);
12337 }
12338 Ordering::Less => {
12339 let curve_width = curve_width(next_top_right.x, bottom_right.x);
12340 builder.line_to(bottom_right - curve_height);
12341 if self.corner_radius > Pixels::ZERO {
12342 builder.curve_to(bottom_right - curve_width, bottom_right);
12343 }
12344 builder.line_to(next_top_right + curve_width);
12345 if self.corner_radius > Pixels::ZERO {
12346 builder.curve_to(next_top_right + curve_height, next_top_right);
12347 }
12348 }
12349 Ordering::Greater => {
12350 let curve_width = curve_width(bottom_right.x, next_top_right.x);
12351 builder.line_to(bottom_right - curve_height);
12352 if self.corner_radius > Pixels::ZERO {
12353 builder.curve_to(bottom_right + curve_width, bottom_right);
12354 }
12355 builder.line_to(next_top_right - curve_width);
12356 if self.corner_radius > Pixels::ZERO {
12357 builder.curve_to(next_top_right + curve_height, next_top_right);
12358 }
12359 }
12360 }
12361 } else {
12362 let curve_width = curve_width(line.start_x, line.end_x);
12363 builder.line_to(bottom_right - curve_height);
12364 if self.corner_radius > Pixels::ZERO {
12365 builder.curve_to(bottom_right - curve_width, bottom_right);
12366 }
12367
12368 let bottom_left = point(line.start_x, bottom_right.y);
12369 builder.line_to(bottom_left + curve_width);
12370 if self.corner_radius > Pixels::ZERO {
12371 builder.curve_to(bottom_left - curve_height, bottom_left);
12372 }
12373 }
12374 }
12375
12376 if first_line.start_x > last_line.start_x {
12377 let curve_width = curve_width(last_line.start_x, first_line.start_x);
12378 let second_top_left = point(last_line.start_x, start_y + self.line_height);
12379 builder.line_to(second_top_left + curve_height);
12380 if self.corner_radius > Pixels::ZERO {
12381 builder.curve_to(second_top_left + curve_width, second_top_left);
12382 }
12383 let first_bottom_left = point(first_line.start_x, second_top_left.y);
12384 builder.line_to(first_bottom_left - curve_width);
12385 if self.corner_radius > Pixels::ZERO {
12386 builder.curve_to(first_bottom_left - curve_height, first_bottom_left);
12387 }
12388 }
12389
12390 builder.line_to(first_top_left + curve_height);
12391 if self.corner_radius > Pixels::ZERO {
12392 builder.curve_to(first_top_left + top_curve_width, first_top_left);
12393 }
12394 builder.line_to(first_top_right - top_curve_width);
12395
12396 if let Ok(path) = builder.build() {
12397 window.paint_path(path, self.color);
12398 }
12399 }
12400}
12401
12402pub(crate) struct StickyHeader {
12403 pub sticky_row: DisplayRow,
12404 pub start_point: Point,
12405 pub offset: ScrollOffset,
12406}
12407
12408enum CursorPopoverType {
12409 CodeContextMenu,
12410 EditPrediction,
12411}
12412
12413pub fn scale_vertical_mouse_autoscroll_delta(delta: Pixels) -> f32 {
12414 (delta.pow(1.2) / 100.0).min(px(3.0)).into()
12415}
12416
12417fn scale_horizontal_mouse_autoscroll_delta(delta: Pixels) -> f32 {
12418 (delta.pow(1.2) / 300.0).into()
12419}
12420
12421pub fn register_action<T: Action>(
12422 editor: &Entity<Editor>,
12423 window: &mut Window,
12424 listener: impl Fn(&mut Editor, &T, &mut Window, &mut Context<Editor>) + 'static,
12425) {
12426 let editor = editor.clone();
12427 window.on_action(TypeId::of::<T>(), move |action, phase, window, cx| {
12428 let action = action.downcast_ref().unwrap();
12429 if phase == DispatchPhase::Bubble {
12430 editor.update(cx, |editor, cx| {
12431 listener(editor, action, window, cx);
12432 })
12433 }
12434 })
12435}
12436
12437/// Shared between `prepaint` and `compute_auto_height_layout` to ensure
12438/// both full and auto-height editors compute wrap widths consistently.
12439fn calculate_wrap_width(
12440 soft_wrap: SoftWrap,
12441 editor_width: Pixels,
12442 em_width: Pixels,
12443) -> Option<Pixels> {
12444 let wrap_width_for = |column: u32| (column as f32 * em_width).ceil();
12445
12446 match soft_wrap {
12447 SoftWrap::GitDiff => None,
12448 SoftWrap::None => Some(wrap_width_for(MAX_LINE_LEN as u32 / 2)),
12449 SoftWrap::EditorWidth => Some(editor_width),
12450 SoftWrap::Bounded(column) => Some(editor_width.min(wrap_width_for(column))),
12451 }
12452}
12453
12454fn compute_auto_height_layout(
12455 editor: &mut Editor,
12456 min_lines: usize,
12457 max_lines: Option<usize>,
12458 known_dimensions: Size<Option<Pixels>>,
12459 available_width: AvailableSpace,
12460 window: &mut Window,
12461 cx: &mut Context<Editor>,
12462) -> Option<Size<Pixels>> {
12463 let width = known_dimensions.width.or({
12464 if let AvailableSpace::Definite(available_width) = available_width {
12465 Some(available_width)
12466 } else {
12467 None
12468 }
12469 })?;
12470 if let Some(height) = known_dimensions.height {
12471 return Some(size(width, height));
12472 }
12473
12474 let style = editor.style.as_ref().unwrap();
12475 let font_id = window.text_system().resolve_font(&style.text.font());
12476 let font_size = style.text.font_size.to_pixels(window.rem_size());
12477 let line_height = style.text.line_height_in_pixels(window.rem_size());
12478 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
12479
12480 let mut snapshot = editor.snapshot(window, cx);
12481 let gutter_dimensions = snapshot.gutter_dimensions(font_id, font_size, style, window, cx);
12482
12483 editor.gutter_dimensions = gutter_dimensions;
12484 let text_width = width - gutter_dimensions.width;
12485 let overscroll = size(em_width, px(0.));
12486
12487 let editor_width = text_width - gutter_dimensions.margin - overscroll.width - em_width;
12488 let wrap_width = calculate_wrap_width(editor.soft_wrap_mode(cx), editor_width, em_width)
12489 .map(|width| width.min(editor_width));
12490 if wrap_width.is_some() && editor.set_wrap_width(wrap_width, cx) {
12491 snapshot = editor.snapshot(window, cx);
12492 }
12493
12494 let scroll_height = (snapshot.max_point().row().next_row().0 as f32) * line_height;
12495
12496 let min_height = line_height * min_lines as f32;
12497 let content_height = scroll_height.max(min_height);
12498
12499 let final_height = if let Some(max_lines) = max_lines {
12500 let max_height = line_height * max_lines as f32;
12501 content_height.min(max_height)
12502 } else {
12503 content_height
12504 };
12505
12506 Some(size(width, final_height))
12507}
12508
12509#[cfg(test)]
12510mod tests {
12511 use super::*;
12512 use crate::{
12513 Editor, MultiBuffer, SelectionEffects,
12514 display_map::{BlockPlacement, BlockProperties},
12515 editor_tests::{init_test, update_test_language_settings},
12516 };
12517 use gpui::{TestAppContext, VisualTestContext};
12518 use language::{Buffer, language_settings, tree_sitter_python};
12519 use log::info;
12520 use rand::{RngCore, rngs::StdRng};
12521 use std::num::NonZeroU32;
12522 use util::test::sample_text;
12523
12524 const fn placeholder_hitbox() -> Hitbox {
12525 use gpui::HitboxId;
12526 let zero_bounds = Bounds {
12527 origin: point(Pixels::ZERO, Pixels::ZERO),
12528 size: Size {
12529 width: Pixels::ZERO,
12530 height: Pixels::ZERO,
12531 },
12532 };
12533
12534 Hitbox {
12535 id: HitboxId::placeholder(),
12536 bounds: zero_bounds,
12537 content_mask: ContentMask {
12538 bounds: zero_bounds,
12539 },
12540 behavior: HitboxBehavior::Normal,
12541 }
12542 }
12543
12544 fn test_gutter(line_height: Pixels, snapshot: &EditorSnapshot) -> Gutter<'_> {
12545 const DIMENSIONS: GutterDimensions = GutterDimensions {
12546 left_padding: Pixels::ZERO,
12547 right_padding: Pixels::ZERO,
12548 width: px(30.0),
12549 margin: Pixels::ZERO,
12550 git_blame_entries_width: None,
12551 };
12552 const EMPTY_ROW_INFO: RowInfo = RowInfo {
12553 buffer_id: None,
12554 buffer_row: None,
12555 multibuffer_row: None,
12556 diff_status: None,
12557 expand_info: None,
12558 wrapped_buffer_row: None,
12559 };
12560
12561 const fn row_info(row: u32) -> RowInfo {
12562 RowInfo {
12563 buffer_row: Some(row),
12564 ..EMPTY_ROW_INFO
12565 }
12566 }
12567
12568 const ROW_INFOS: [RowInfo; 6] = [
12569 row_info(0),
12570 row_info(1),
12571 row_info(2),
12572 row_info(3),
12573 row_info(4),
12574 row_info(5),
12575 ];
12576
12577 const HITBOX: Hitbox = placeholder_hitbox();
12578 Gutter {
12579 line_height,
12580 range: DisplayRow(0)..DisplayRow(6),
12581 scroll_position: gpui::Point::default(),
12582 dimensions: &DIMENSIONS,
12583 hitbox: &HITBOX,
12584 snapshot: snapshot,
12585 row_infos: &ROW_INFOS,
12586 }
12587 }
12588
12589 #[gpui::test]
12590 async fn test_soft_wrap_editor_width_auto_height_editor(cx: &mut TestAppContext) {
12591 init_test(cx, |_| {});
12592 let window = cx.add_window(|window, cx| {
12593 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
12594 let mut editor = Editor::new(
12595 EditorMode::AutoHeight {
12596 min_lines: 1,
12597 max_lines: None,
12598 },
12599 buffer,
12600 None,
12601 window,
12602 cx,
12603 );
12604 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
12605 editor
12606 });
12607 let cx = &mut VisualTestContext::from_window(*window, cx);
12608 let editor = window.root(cx).unwrap();
12609 let style = cx.update(|_, cx| editor.update(cx, |editor, cx| editor.style(cx).clone()));
12610
12611 for x in 1..=100 {
12612 let (_, state) = cx.draw(
12613 Default::default(),
12614 size(px(200. + 0.13 * x as f32), px(500.)),
12615 |_, _| EditorElement::new(&editor, style.clone()),
12616 );
12617
12618 assert!(
12619 state.position_map.scroll_max.x == 0.,
12620 "Soft wrapped editor should have no horizontal scrolling!"
12621 );
12622 }
12623 }
12624
12625 #[gpui::test]
12626 async fn test_soft_wrap_editor_width_full_editor(cx: &mut TestAppContext) {
12627 init_test(cx, |_| {});
12628 let window = cx.add_window(|window, cx| {
12629 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
12630 let mut editor = Editor::new(EditorMode::full(), buffer, None, window, cx);
12631 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
12632 editor
12633 });
12634 let cx = &mut VisualTestContext::from_window(*window, cx);
12635 let editor = window.root(cx).unwrap();
12636 let style = cx.update(|_, cx| editor.update(cx, |editor, cx| editor.style(cx).clone()));
12637
12638 for x in 1..=100 {
12639 let (_, state) = cx.draw(
12640 Default::default(),
12641 size(px(200. + 0.13 * x as f32), px(500.)),
12642 |_, _| EditorElement::new(&editor, style.clone()),
12643 );
12644
12645 assert!(
12646 state.position_map.scroll_max.x == 0.,
12647 "Soft wrapped editor should have no horizontal scrolling!"
12648 );
12649 }
12650 }
12651
12652 #[gpui::test]
12653 fn test_layout_line_numbers(cx: &mut TestAppContext) {
12654 init_test(cx, |_| {});
12655 let window = cx.add_window(|window, cx| {
12656 let buffer = MultiBuffer::build_simple(&sample_text(6, 6, 'a'), cx);
12657 Editor::new(EditorMode::full(), buffer, None, window, cx)
12658 });
12659
12660 let editor = window.root(cx).unwrap();
12661 let style = editor.update(cx, |editor, cx| editor.style(cx).clone());
12662 let line_height = window
12663 .update(cx, |_, window, _| {
12664 style.text.line_height_in_pixels(window.rem_size())
12665 })
12666 .unwrap();
12667 let element = EditorElement::new(&editor, style);
12668 let snapshot = window
12669 .update(cx, |editor, window, cx| editor.snapshot(window, cx))
12670 .unwrap();
12671
12672 let layouts = cx
12673 .update_window(*window, |_, window, cx| {
12674 element.layout_line_numbers(
12675 &test_gutter(line_height, &snapshot),
12676 &BTreeMap::default(),
12677 Some(DisplayRow(0)),
12678 window,
12679 cx,
12680 )
12681 })
12682 .unwrap();
12683 assert_eq!(layouts.len(), 6);
12684
12685 let relative_rows = window
12686 .update(cx, |editor, window, cx| {
12687 let snapshot = editor.snapshot(window, cx);
12688 snapshot.calculate_relative_line_numbers(
12689 &(DisplayRow(0)..DisplayRow(6)),
12690 DisplayRow(3),
12691 false,
12692 )
12693 })
12694 .unwrap();
12695 assert_eq!(relative_rows[&DisplayRow(0)], 3);
12696 assert_eq!(relative_rows[&DisplayRow(1)], 2);
12697 assert_eq!(relative_rows[&DisplayRow(2)], 1);
12698 // current line has no relative number
12699 assert!(!relative_rows.contains_key(&DisplayRow(3)));
12700 assert_eq!(relative_rows[&DisplayRow(4)], 1);
12701 assert_eq!(relative_rows[&DisplayRow(5)], 2);
12702
12703 // works if cursor is before screen
12704 let relative_rows = window
12705 .update(cx, |editor, window, cx| {
12706 let snapshot = editor.snapshot(window, cx);
12707 snapshot.calculate_relative_line_numbers(
12708 &(DisplayRow(3)..DisplayRow(6)),
12709 DisplayRow(1),
12710 false,
12711 )
12712 })
12713 .unwrap();
12714 assert_eq!(relative_rows.len(), 3);
12715 assert_eq!(relative_rows[&DisplayRow(3)], 2);
12716 assert_eq!(relative_rows[&DisplayRow(4)], 3);
12717 assert_eq!(relative_rows[&DisplayRow(5)], 4);
12718
12719 // works if cursor is after screen
12720 let relative_rows = window
12721 .update(cx, |editor, window, cx| {
12722 let snapshot = editor.snapshot(window, cx);
12723 snapshot.calculate_relative_line_numbers(
12724 &(DisplayRow(0)..DisplayRow(3)),
12725 DisplayRow(6),
12726 false,
12727 )
12728 })
12729 .unwrap();
12730 assert_eq!(relative_rows.len(), 3);
12731 assert_eq!(relative_rows[&DisplayRow(0)], 5);
12732 assert_eq!(relative_rows[&DisplayRow(1)], 4);
12733 assert_eq!(relative_rows[&DisplayRow(2)], 3);
12734
12735 let gutter = Gutter {
12736 row_infos: &(0..6)
12737 .map(|row| RowInfo {
12738 buffer_row: Some(row),
12739 diff_status: (row == DELETED_LINE).then(|| {
12740 DiffHunkStatus::deleted(
12741 buffer_diff::DiffHunkSecondaryStatus::NoSecondaryHunk,
12742 )
12743 }),
12744 ..Default::default()
12745 })
12746 .collect::<Vec<_>>(),
12747 ..test_gutter(line_height, &snapshot)
12748 };
12749
12750 const DELETED_LINE: u32 = 3;
12751 let layouts = cx
12752 .update_window(*window, |_, window, cx| {
12753 element.layout_line_numbers(
12754 &gutter,
12755 &BTreeMap::default(),
12756 Some(DisplayRow(0)),
12757 window,
12758 cx,
12759 )
12760 })
12761 .unwrap();
12762 assert_eq!(layouts.len(), 5,);
12763 assert!(
12764 layouts.get(&MultiBufferRow(DELETED_LINE)).is_none(),
12765 "Deleted line should not have a line number"
12766 );
12767 }
12768
12769 #[gpui::test]
12770 async fn test_layout_line_numbers_with_folded_lines(cx: &mut TestAppContext) {
12771 init_test(cx, |_| {});
12772
12773 let python_lang = languages::language("python", tree_sitter_python::LANGUAGE.into());
12774
12775 let window = cx.add_window(|window, cx| {
12776 let buffer = cx.new(|cx| {
12777 Buffer::local(
12778 indoc::indoc! {"
12779 fn test() -> int {
12780 return 2;
12781 }
12782
12783 fn another_test() -> int {
12784 # This is a very peculiar method that is hard to grasp.
12785 return 4;
12786 }
12787 "},
12788 cx,
12789 )
12790 .with_language(python_lang, cx)
12791 });
12792
12793 let buffer = MultiBuffer::build_from_buffer(buffer, cx);
12794 Editor::new(EditorMode::full(), buffer, None, window, cx)
12795 });
12796
12797 let editor = window.root(cx).unwrap();
12798 let style = editor.update(cx, |editor, cx| editor.style(cx).clone());
12799 let line_height = window
12800 .update(cx, |_, window, _| {
12801 style.text.line_height_in_pixels(window.rem_size())
12802 })
12803 .unwrap();
12804 let element = EditorElement::new(&editor, style);
12805 let snapshot = window
12806 .update(cx, |editor, window, cx| {
12807 editor.fold_at(MultiBufferRow(0), window, cx);
12808 editor.snapshot(window, cx)
12809 })
12810 .unwrap();
12811
12812 let layouts = cx
12813 .update_window(*window, |_, window, cx| {
12814 element.layout_line_numbers(
12815 &test_gutter(line_height, &snapshot),
12816 &BTreeMap::default(),
12817 Some(DisplayRow(3)),
12818 window,
12819 cx,
12820 )
12821 })
12822 .unwrap();
12823 assert_eq!(layouts.len(), 6);
12824
12825 let relative_rows = window
12826 .update(cx, |editor, window, cx| {
12827 let snapshot = editor.snapshot(window, cx);
12828 snapshot.calculate_relative_line_numbers(
12829 &(DisplayRow(0)..DisplayRow(6)),
12830 DisplayRow(3),
12831 false,
12832 )
12833 })
12834 .unwrap();
12835 assert_eq!(relative_rows[&DisplayRow(0)], 3);
12836 assert_eq!(relative_rows[&DisplayRow(1)], 2);
12837 assert_eq!(relative_rows[&DisplayRow(2)], 1);
12838 // current line has no relative number
12839 assert!(!relative_rows.contains_key(&DisplayRow(3)));
12840 assert_eq!(relative_rows[&DisplayRow(4)], 1);
12841 assert_eq!(relative_rows[&DisplayRow(5)], 2);
12842 }
12843
12844 #[gpui::test]
12845 fn test_layout_line_numbers_wrapping(cx: &mut TestAppContext) {
12846 init_test(cx, |_| {});
12847 let window = cx.add_window(|window, cx| {
12848 let buffer = MultiBuffer::build_simple(&sample_text(6, 6, 'a'), cx);
12849 Editor::new(EditorMode::full(), buffer, None, window, cx)
12850 });
12851
12852 update_test_language_settings(cx, &|s| {
12853 s.defaults.preferred_line_length = Some(5_u32);
12854 s.defaults.soft_wrap = Some(language_settings::SoftWrap::Bounded);
12855 });
12856
12857 let editor = window.root(cx).unwrap();
12858 let style = editor.update(cx, |editor, cx| editor.style(cx).clone());
12859 let line_height = window
12860 .update(cx, |_, window, _| {
12861 style.text.line_height_in_pixels(window.rem_size())
12862 })
12863 .unwrap();
12864 let element = EditorElement::new(&editor, style);
12865 let snapshot = window
12866 .update(cx, |editor, window, cx| editor.snapshot(window, cx))
12867 .unwrap();
12868
12869 let layouts = cx
12870 .update_window(*window, |_, window, cx| {
12871 element.layout_line_numbers(
12872 &test_gutter(line_height, &snapshot),
12873 &BTreeMap::default(),
12874 Some(DisplayRow(0)),
12875 window,
12876 cx,
12877 )
12878 })
12879 .unwrap();
12880 assert_eq!(layouts.len(), 3);
12881
12882 let relative_rows = window
12883 .update(cx, |editor, window, cx| {
12884 let snapshot = editor.snapshot(window, cx);
12885 snapshot.calculate_relative_line_numbers(
12886 &(DisplayRow(0)..DisplayRow(6)),
12887 DisplayRow(3),
12888 true,
12889 )
12890 })
12891 .unwrap();
12892
12893 assert_eq!(relative_rows[&DisplayRow(0)], 3);
12894 assert_eq!(relative_rows[&DisplayRow(1)], 2);
12895 assert_eq!(relative_rows[&DisplayRow(2)], 1);
12896 // current line has no relative number
12897 assert!(!relative_rows.contains_key(&DisplayRow(3)));
12898 assert_eq!(relative_rows[&DisplayRow(4)], 1);
12899 assert_eq!(relative_rows[&DisplayRow(5)], 2);
12900
12901 let layouts = cx
12902 .update_window(*window, |_, window, cx| {
12903 element.layout_line_numbers(
12904 &Gutter {
12905 row_infos: &(0..6)
12906 .map(|row| RowInfo {
12907 buffer_row: Some(row),
12908 diff_status: Some(DiffHunkStatus::deleted(
12909 buffer_diff::DiffHunkSecondaryStatus::NoSecondaryHunk,
12910 )),
12911 ..Default::default()
12912 })
12913 .collect::<Vec<_>>(),
12914 ..test_gutter(line_height, &snapshot)
12915 },
12916 &BTreeMap::from_iter([(DisplayRow(0), LineHighlightSpec::default())]),
12917 Some(DisplayRow(0)),
12918 window,
12919 cx,
12920 )
12921 })
12922 .unwrap();
12923 assert!(
12924 layouts.is_empty(),
12925 "Deleted lines should have no line number"
12926 );
12927
12928 let relative_rows = window
12929 .update(cx, |editor, window, cx| {
12930 let snapshot = editor.snapshot(window, cx);
12931 snapshot.calculate_relative_line_numbers(
12932 &(DisplayRow(0)..DisplayRow(6)),
12933 DisplayRow(3),
12934 true,
12935 )
12936 })
12937 .unwrap();
12938
12939 // Deleted lines should still have relative numbers
12940 assert_eq!(relative_rows[&DisplayRow(0)], 3);
12941 assert_eq!(relative_rows[&DisplayRow(1)], 2);
12942 assert_eq!(relative_rows[&DisplayRow(2)], 1);
12943 // current line, even if deleted, has no relative number
12944 assert!(!relative_rows.contains_key(&DisplayRow(3)));
12945 assert_eq!(relative_rows[&DisplayRow(4)], 1);
12946 assert_eq!(relative_rows[&DisplayRow(5)], 2);
12947 }
12948
12949 #[gpui::test]
12950 async fn test_vim_visual_selections(cx: &mut TestAppContext) {
12951 init_test(cx, |_| {});
12952
12953 let window = cx.add_window(|window, cx| {
12954 let buffer = MultiBuffer::build_simple(&(sample_text(6, 6, 'a') + "\n"), cx);
12955 Editor::new(EditorMode::full(), buffer, None, window, cx)
12956 });
12957 let cx = &mut VisualTestContext::from_window(*window, cx);
12958 let editor = window.root(cx).unwrap();
12959 let style = cx.update(|_, cx| editor.update(cx, |editor, cx| editor.style(cx).clone()));
12960
12961 window
12962 .update(cx, |editor, window, cx| {
12963 editor.cursor_offset_on_selection = true;
12964 editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
12965 s.select_ranges([
12966 Point::new(0, 0)..Point::new(1, 0),
12967 Point::new(3, 2)..Point::new(3, 3),
12968 Point::new(5, 6)..Point::new(6, 0),
12969 ]);
12970 });
12971 })
12972 .unwrap();
12973
12974 let (_, state) = cx.draw(
12975 point(px(500.), px(500.)),
12976 size(px(500.), px(500.)),
12977 |_, _| EditorElement::new(&editor, style),
12978 );
12979
12980 assert_eq!(state.selections.len(), 1);
12981 let local_selections = &state.selections[0].1;
12982 assert_eq!(local_selections.len(), 3);
12983 // moves cursor back one line
12984 assert_eq!(
12985 local_selections[0].head,
12986 DisplayPoint::new(DisplayRow(0), 6)
12987 );
12988 assert_eq!(
12989 local_selections[0].range,
12990 DisplayPoint::new(DisplayRow(0), 0)..DisplayPoint::new(DisplayRow(1), 0)
12991 );
12992
12993 // moves cursor back one column
12994 assert_eq!(
12995 local_selections[1].range,
12996 DisplayPoint::new(DisplayRow(3), 2)..DisplayPoint::new(DisplayRow(3), 3)
12997 );
12998 assert_eq!(
12999 local_selections[1].head,
13000 DisplayPoint::new(DisplayRow(3), 2)
13001 );
13002
13003 // leaves cursor on the max point
13004 assert_eq!(
13005 local_selections[2].range,
13006 DisplayPoint::new(DisplayRow(5), 6)..DisplayPoint::new(DisplayRow(6), 0)
13007 );
13008 assert_eq!(
13009 local_selections[2].head,
13010 DisplayPoint::new(DisplayRow(6), 0)
13011 );
13012
13013 // active lines does not include 1 (even though the range of the selection does)
13014 assert_eq!(
13015 state.active_rows.keys().cloned().collect::<Vec<_>>(),
13016 vec![DisplayRow(0), DisplayRow(3), DisplayRow(5), DisplayRow(6)]
13017 );
13018 }
13019
13020 #[gpui::test]
13021 fn test_layout_with_placeholder_text_and_blocks(cx: &mut TestAppContext) {
13022 init_test(cx, |_| {});
13023
13024 let window = cx.add_window(|window, cx| {
13025 let buffer = MultiBuffer::build_simple("", cx);
13026 Editor::new(EditorMode::full(), buffer, None, window, cx)
13027 });
13028 let cx = &mut VisualTestContext::from_window(*window, cx);
13029 let editor = window.root(cx).unwrap();
13030 let style = cx.update(|_, cx| editor.update(cx, |editor, cx| editor.style(cx).clone()));
13031 window
13032 .update(cx, |editor, window, cx| {
13033 editor.set_placeholder_text("hello", window, cx);
13034 editor.insert_blocks(
13035 [BlockProperties {
13036 style: BlockStyle::Fixed,
13037 placement: BlockPlacement::Above(Anchor::Min),
13038 height: Some(3),
13039 render: Arc::new(|cx| div().h(3. * cx.window.line_height()).into_any()),
13040 priority: 0,
13041 }],
13042 None,
13043 cx,
13044 );
13045
13046 // Blur the editor so that it displays placeholder text.
13047 window.blur();
13048 })
13049 .unwrap();
13050
13051 let (_, state) = cx.draw(
13052 point(px(500.), px(500.)),
13053 size(px(500.), px(500.)),
13054 |_, _| EditorElement::new(&editor, style),
13055 );
13056 assert_eq!(state.position_map.line_layouts.len(), 4);
13057 assert_eq!(state.line_numbers.len(), 1);
13058 assert_eq!(
13059 state
13060 .line_numbers
13061 .get(&MultiBufferRow(0))
13062 .map(|line_number| line_number
13063 .segments
13064 .first()
13065 .unwrap()
13066 .shaped_line
13067 .text
13068 .as_ref()),
13069 Some("1")
13070 );
13071 }
13072
13073 #[gpui::test]
13074 fn test_all_invisibles_drawing(cx: &mut TestAppContext) {
13075 const TAB_SIZE: u32 = 4;
13076
13077 let input_text = "\t \t|\t| a b";
13078 let expected_invisibles = vec![
13079 Invisible::Tab {
13080 line_start_offset: 0,
13081 line_end_offset: TAB_SIZE as usize,
13082 },
13083 Invisible::Whitespace {
13084 line_offset: TAB_SIZE as usize,
13085 },
13086 Invisible::Tab {
13087 line_start_offset: TAB_SIZE as usize + 1,
13088 line_end_offset: TAB_SIZE as usize * 2,
13089 },
13090 Invisible::Tab {
13091 line_start_offset: TAB_SIZE as usize * 2 + 1,
13092 line_end_offset: TAB_SIZE as usize * 3,
13093 },
13094 Invisible::Whitespace {
13095 line_offset: TAB_SIZE as usize * 3 + 1,
13096 },
13097 Invisible::Whitespace {
13098 line_offset: TAB_SIZE as usize * 3 + 3,
13099 },
13100 ];
13101 assert_eq!(
13102 expected_invisibles.len(),
13103 input_text
13104 .chars()
13105 .filter(|initial_char| initial_char.is_whitespace())
13106 .count(),
13107 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
13108 );
13109
13110 for show_line_numbers in [true, false] {
13111 init_test(cx, |s| {
13112 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
13113 s.defaults.tab_size = NonZeroU32::new(TAB_SIZE);
13114 });
13115
13116 let actual_invisibles = collect_invisibles_from_new_editor(
13117 cx,
13118 EditorMode::full(),
13119 input_text,
13120 px(500.0),
13121 show_line_numbers,
13122 );
13123
13124 assert_eq!(expected_invisibles, actual_invisibles);
13125 }
13126 }
13127
13128 #[gpui::test]
13129 fn test_invisibles_dont_appear_in_certain_editors(cx: &mut TestAppContext) {
13130 init_test(cx, |s| {
13131 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
13132 s.defaults.tab_size = NonZeroU32::new(4);
13133 });
13134
13135 for editor_mode_without_invisibles in [
13136 EditorMode::SingleLine,
13137 EditorMode::AutoHeight {
13138 min_lines: 1,
13139 max_lines: Some(100),
13140 },
13141 ] {
13142 for show_line_numbers in [true, false] {
13143 let invisibles = collect_invisibles_from_new_editor(
13144 cx,
13145 editor_mode_without_invisibles.clone(),
13146 "\t\t\t| | a b",
13147 px(500.0),
13148 show_line_numbers,
13149 );
13150 assert!(
13151 invisibles.is_empty(),
13152 "For editor mode {editor_mode_without_invisibles:?} no invisibles was expected but got {invisibles:?}"
13153 );
13154 }
13155 }
13156 }
13157
13158 #[gpui::test]
13159 fn test_wrapped_invisibles_drawing(cx: &mut TestAppContext) {
13160 let tab_size = 4;
13161 let input_text = "a\tbcd ".repeat(9);
13162 let repeated_invisibles = [
13163 Invisible::Tab {
13164 line_start_offset: 1,
13165 line_end_offset: tab_size as usize,
13166 },
13167 Invisible::Whitespace {
13168 line_offset: tab_size as usize + 3,
13169 },
13170 Invisible::Whitespace {
13171 line_offset: tab_size as usize + 4,
13172 },
13173 Invisible::Whitespace {
13174 line_offset: tab_size as usize + 5,
13175 },
13176 Invisible::Whitespace {
13177 line_offset: tab_size as usize + 6,
13178 },
13179 Invisible::Whitespace {
13180 line_offset: tab_size as usize + 7,
13181 },
13182 ];
13183 let expected_invisibles = std::iter::once(repeated_invisibles)
13184 .cycle()
13185 .take(9)
13186 .flatten()
13187 .collect::<Vec<_>>();
13188 assert_eq!(
13189 expected_invisibles.len(),
13190 input_text
13191 .chars()
13192 .filter(|initial_char| initial_char.is_whitespace())
13193 .count(),
13194 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
13195 );
13196 info!("Expected invisibles: {expected_invisibles:?}");
13197
13198 init_test(cx, |_| {});
13199
13200 // Put the same string with repeating whitespace pattern into editors of various size,
13201 // take deliberately small steps during resizing, to put all whitespace kinds near the wrap point.
13202 let resize_step = 10.0;
13203 let mut editor_width = 200.0;
13204 while editor_width <= 1000.0 {
13205 for show_line_numbers in [true, false] {
13206 update_test_language_settings(cx, &|s| {
13207 s.defaults.tab_size = NonZeroU32::new(tab_size);
13208 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
13209 s.defaults.preferred_line_length = Some(editor_width as u32);
13210 s.defaults.soft_wrap = Some(language_settings::SoftWrap::Bounded);
13211 });
13212
13213 let actual_invisibles = collect_invisibles_from_new_editor(
13214 cx,
13215 EditorMode::full(),
13216 &input_text,
13217 px(editor_width),
13218 show_line_numbers,
13219 );
13220
13221 // Whatever the editor size is, ensure it has the same invisible kinds in the same order
13222 // (no good guarantees about the offsets: wrapping could trigger padding and its tests should check the offsets).
13223 let mut i = 0;
13224 for (actual_index, actual_invisible) in actual_invisibles.iter().enumerate() {
13225 i = actual_index;
13226 match expected_invisibles.get(i) {
13227 Some(expected_invisible) => match (expected_invisible, actual_invisible) {
13228 (Invisible::Whitespace { .. }, Invisible::Whitespace { .. })
13229 | (Invisible::Tab { .. }, Invisible::Tab { .. }) => {}
13230 _ => {
13231 panic!(
13232 "At index {i}, expected invisible {expected_invisible:?} does not match actual {actual_invisible:?} by kind. Actual invisibles: {actual_invisibles:?}"
13233 )
13234 }
13235 },
13236 None => {
13237 panic!("Unexpected extra invisible {actual_invisible:?} at index {i}")
13238 }
13239 }
13240 }
13241 let missing_expected_invisibles = &expected_invisibles[i + 1..];
13242 assert!(
13243 missing_expected_invisibles.is_empty(),
13244 "Missing expected invisibles after index {i}: {missing_expected_invisibles:?}"
13245 );
13246
13247 editor_width += resize_step;
13248 }
13249 }
13250 }
13251
13252 fn collect_invisibles_from_new_editor(
13253 cx: &mut TestAppContext,
13254 editor_mode: EditorMode,
13255 input_text: &str,
13256 editor_width: Pixels,
13257 show_line_numbers: bool,
13258 ) -> Vec<Invisible> {
13259 info!(
13260 "Creating editor with mode {editor_mode:?}, width {}px and text '{input_text}'",
13261 f32::from(editor_width)
13262 );
13263 let window = cx.add_window(|window, cx| {
13264 let buffer = MultiBuffer::build_simple(input_text, cx);
13265 Editor::new(editor_mode, buffer, None, window, cx)
13266 });
13267 let cx = &mut VisualTestContext::from_window(*window, cx);
13268 let editor = window.root(cx).unwrap();
13269
13270 let style = editor.update(cx, |editor, cx| editor.style(cx).clone());
13271 window
13272 .update(cx, |editor, _, cx| {
13273 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
13274 editor.set_wrap_width(Some(editor_width), cx);
13275 editor.set_show_line_numbers(show_line_numbers, cx);
13276 })
13277 .unwrap();
13278 let (_, state) = cx.draw(
13279 point(px(500.), px(500.)),
13280 size(px(500.), px(500.)),
13281 |_, _| EditorElement::new(&editor, style),
13282 );
13283 state
13284 .position_map
13285 .line_layouts
13286 .iter()
13287 .flat_map(|line_with_invisibles| &line_with_invisibles.invisibles)
13288 .cloned()
13289 .collect()
13290 }
13291
13292 #[gpui::test]
13293 fn test_merge_overlapping_ranges() {
13294 let base_bg = Hsla::white();
13295 let color1 = Hsla {
13296 h: 0.0,
13297 s: 0.5,
13298 l: 0.5,
13299 a: 0.5,
13300 };
13301 let color2 = Hsla {
13302 h: 120.0,
13303 s: 0.5,
13304 l: 0.5,
13305 a: 0.5,
13306 };
13307
13308 let display_point = |col| DisplayPoint::new(DisplayRow(0), col);
13309 let cols = |v: &Vec<(Range<DisplayPoint>, Hsla)>| -> Vec<(u32, u32)> {
13310 v.iter()
13311 .map(|(r, _)| (r.start.column(), r.end.column()))
13312 .collect()
13313 };
13314
13315 // Test overlapping ranges blend colors
13316 let overlapping = vec![
13317 (display_point(5)..display_point(15), color1),
13318 (display_point(10)..display_point(20), color2),
13319 ];
13320 let result = EditorElement::merge_overlapping_ranges(overlapping, base_bg);
13321 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
13322
13323 // Test middle segment should have blended color
13324 let blended = Hsla::blend(Hsla::blend(base_bg, color1), color2);
13325 assert_eq!(result[1].1, blended);
13326
13327 // Test adjacent same-color ranges merge
13328 let adjacent_same = vec![
13329 (display_point(5)..display_point(10), color1),
13330 (display_point(10)..display_point(15), color1),
13331 ];
13332 let result = EditorElement::merge_overlapping_ranges(adjacent_same, base_bg);
13333 assert_eq!(cols(&result), vec![(5, 15)]);
13334
13335 // Test contained range splits
13336 let contained = vec![
13337 (display_point(5)..display_point(20), color1),
13338 (display_point(10)..display_point(15), color2),
13339 ];
13340 let result = EditorElement::merge_overlapping_ranges(contained, base_bg);
13341 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
13342
13343 // Test multiple overlaps split at every boundary
13344 let color3 = Hsla {
13345 h: 240.0,
13346 s: 0.5,
13347 l: 0.5,
13348 a: 0.5,
13349 };
13350 let complex = vec![
13351 (display_point(5)..display_point(12), color1),
13352 (display_point(8)..display_point(16), color2),
13353 (display_point(10)..display_point(14), color3),
13354 ];
13355 let result = EditorElement::merge_overlapping_ranges(complex, base_bg);
13356 assert_eq!(
13357 cols(&result),
13358 vec![(5, 8), (8, 10), (10, 12), (12, 14), (14, 16)]
13359 );
13360 }
13361
13362 #[gpui::test]
13363 fn test_bg_segments_per_row() {
13364 let base_bg = Hsla::white();
13365
13366 // Case A: selection spans three display rows: row 1 [5, end), full row 2, row 3 [0, 7)
13367 {
13368 let selection_color = Hsla {
13369 h: 200.0,
13370 s: 0.5,
13371 l: 0.5,
13372 a: 0.5,
13373 };
13374 let player_color = PlayerColor {
13375 cursor: selection_color,
13376 background: selection_color,
13377 selection: selection_color,
13378 };
13379
13380 let spanning_selection = SelectionLayout {
13381 head: DisplayPoint::new(DisplayRow(3), 7),
13382 cursor_shape: CursorShape::Bar,
13383 is_newest: true,
13384 is_local: true,
13385 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 7),
13386 active_rows: DisplayRow(1)..DisplayRow(4),
13387 user_name: None,
13388 };
13389
13390 let selections = vec![(player_color, vec![spanning_selection])];
13391 let result = EditorElement::bg_segments_per_row(
13392 DisplayRow(0)..DisplayRow(5),
13393 &selections,
13394 &[],
13395 base_bg,
13396 );
13397
13398 assert_eq!(result.len(), 5);
13399 assert!(result[0].is_empty());
13400 assert_eq!(result[1].len(), 1);
13401 assert_eq!(result[2].len(), 1);
13402 assert_eq!(result[3].len(), 1);
13403 assert!(result[4].is_empty());
13404
13405 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
13406 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
13407 assert_eq!(result[1][0].0.end.column(), u32::MAX);
13408 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
13409 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
13410 assert_eq!(result[2][0].0.end.column(), u32::MAX);
13411 assert_eq!(result[3][0].0.start, DisplayPoint::new(DisplayRow(3), 0));
13412 assert_eq!(result[3][0].0.end, DisplayPoint::new(DisplayRow(3), 7));
13413 }
13414
13415 // Case B: selection ends exactly at the start of row 3, excluding row 3
13416 {
13417 let selection_color = Hsla {
13418 h: 120.0,
13419 s: 0.5,
13420 l: 0.5,
13421 a: 0.5,
13422 };
13423 let player_color = PlayerColor {
13424 cursor: selection_color,
13425 background: selection_color,
13426 selection: selection_color,
13427 };
13428
13429 let selection = SelectionLayout {
13430 head: DisplayPoint::new(DisplayRow(2), 0),
13431 cursor_shape: CursorShape::Bar,
13432 is_newest: true,
13433 is_local: true,
13434 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 0),
13435 active_rows: DisplayRow(1)..DisplayRow(3),
13436 user_name: None,
13437 };
13438
13439 let selections = vec![(player_color, vec![selection])];
13440 let result = EditorElement::bg_segments_per_row(
13441 DisplayRow(0)..DisplayRow(4),
13442 &selections,
13443 &[],
13444 base_bg,
13445 );
13446
13447 assert_eq!(result.len(), 4);
13448 assert!(result[0].is_empty());
13449 assert_eq!(result[1].len(), 1);
13450 assert_eq!(result[2].len(), 1);
13451 assert!(result[3].is_empty());
13452
13453 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
13454 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
13455 assert_eq!(result[1][0].0.end.column(), u32::MAX);
13456 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
13457 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
13458 assert_eq!(result[2][0].0.end.column(), u32::MAX);
13459 }
13460 }
13461
13462 #[cfg(test)]
13463 fn generate_test_run(len: usize, color: Hsla) -> TextRun {
13464 TextRun {
13465 len,
13466 color,
13467 ..Default::default()
13468 }
13469 }
13470
13471 #[gpui::test]
13472 fn test_split_runs_by_bg_segments(cx: &mut gpui::TestAppContext) {
13473 init_test(cx, |_| {});
13474
13475 let dx = |start: u32, end: u32| {
13476 DisplayPoint::new(DisplayRow(0), start)..DisplayPoint::new(DisplayRow(0), end)
13477 };
13478
13479 let text_color = Hsla {
13480 h: 210.0,
13481 s: 0.1,
13482 l: 0.4,
13483 a: 1.0,
13484 };
13485 let bg_1 = Hsla {
13486 h: 30.0,
13487 s: 0.6,
13488 l: 0.8,
13489 a: 1.0,
13490 };
13491 let bg_2 = Hsla {
13492 h: 200.0,
13493 s: 0.6,
13494 l: 0.2,
13495 a: 1.0,
13496 };
13497 let min_contrast = 45.0;
13498 let adjusted_bg1 = ensure_minimum_contrast(text_color, bg_1, min_contrast);
13499 let adjusted_bg2 = ensure_minimum_contrast(text_color, bg_2, min_contrast);
13500
13501 // Case A: single run; disjoint segments inside the run
13502 {
13503 let runs = vec![generate_test_run(20, text_color)];
13504 let segs = vec![(dx(5, 10), bg_1), (dx(12, 16), bg_2)];
13505 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
13506 // Expected slices: [0,5) [5,10) [10,12) [12,16) [16,20)
13507 assert_eq!(
13508 out.iter().map(|r| r.len).collect::<Vec<_>>(),
13509 vec![5, 5, 2, 4, 4]
13510 );
13511 assert_eq!(out[0].color, text_color);
13512 assert_eq!(out[1].color, adjusted_bg1);
13513 assert_eq!(out[2].color, text_color);
13514 assert_eq!(out[3].color, adjusted_bg2);
13515 assert_eq!(out[4].color, text_color);
13516 }
13517
13518 // Case B: multiple runs; segment extends to end of line (u32::MAX)
13519 {
13520 let runs = vec![
13521 generate_test_run(8, text_color),
13522 generate_test_run(7, text_color),
13523 ];
13524 let segs = vec![(dx(6, u32::MAX), bg_1)];
13525 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
13526 // Expected slices across runs: [0,6) [6,8) | [0,7)
13527 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![6, 2, 7]);
13528 assert_eq!(out[0].color, text_color);
13529 assert_eq!(out[1].color, adjusted_bg1);
13530 assert_eq!(out[2].color, adjusted_bg1);
13531 }
13532
13533 // Case C: multi-byte characters
13534 {
13535 // for text: "Hello π δΈη!"
13536 let runs = vec![
13537 generate_test_run(5, text_color), // "Hello"
13538 generate_test_run(6, text_color), // " π "
13539 generate_test_run(6, text_color), // "δΈη"
13540 generate_test_run(1, text_color), // "!"
13541 ];
13542 // selecting "π δΈ"
13543 let segs = vec![(dx(6, 14), bg_1)];
13544 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
13545 // "Hello" | " " | "π " | "δΈ" | "η" | "!"
13546 assert_eq!(
13547 out.iter().map(|r| r.len).collect::<Vec<_>>(),
13548 vec![5, 1, 5, 3, 3, 1]
13549 );
13550 assert_eq!(out[0].color, text_color); // "Hello"
13551 assert_eq!(out[2].color, adjusted_bg1); // "π "
13552 assert_eq!(out[3].color, adjusted_bg1); // "δΈ"
13553 assert_eq!(out[4].color, text_color); // "η"
13554 assert_eq!(out[5].color, text_color); // "!"
13555 }
13556
13557 // Case D: split multiple consecutive text runs with segments
13558 {
13559 let segs = vec![
13560 (dx(2, 4), bg_1), // selecting "cd"
13561 (dx(4, 8), bg_2), // selecting "efgh"
13562 (dx(9, 11), bg_1), // selecting "jk"
13563 (dx(12, 16), bg_2), // selecting "mnop"
13564 (dx(18, 19), bg_1), // selecting "s"
13565 ];
13566
13567 // for text: "abcdef"
13568 let runs = vec![
13569 generate_test_run(2, text_color), // ab
13570 generate_test_run(4, text_color), // cdef
13571 ];
13572 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
13573 // new splits "ab", "cd", "ef"
13574 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![2, 2, 2]);
13575 assert_eq!(out[0].color, text_color);
13576 assert_eq!(out[1].color, adjusted_bg1);
13577 assert_eq!(out[2].color, adjusted_bg2);
13578
13579 // for text: "ghijklmn"
13580 let runs = vec![
13581 generate_test_run(3, text_color), // ghi
13582 generate_test_run(2, text_color), // jk
13583 generate_test_run(3, text_color), // lmn
13584 ];
13585 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 6); // 2 + 4 from first run
13586 // new splits "gh", "i", "jk", "l", "mn"
13587 assert_eq!(
13588 out.iter().map(|r| r.len).collect::<Vec<_>>(),
13589 vec![2, 1, 2, 1, 2]
13590 );
13591 assert_eq!(out[0].color, adjusted_bg2);
13592 assert_eq!(out[1].color, text_color);
13593 assert_eq!(out[2].color, adjusted_bg1);
13594 assert_eq!(out[3].color, text_color);
13595 assert_eq!(out[4].color, adjusted_bg2);
13596
13597 // for text: "opqrs"
13598 let runs = vec![
13599 generate_test_run(1, text_color), // o
13600 generate_test_run(4, text_color), // pqrs
13601 ];
13602 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 14); // 6 + 3 + 2 + 3 from first two runs
13603 // new splits "o", "p", "qr", "s"
13604 assert_eq!(
13605 out.iter().map(|r| r.len).collect::<Vec<_>>(),
13606 vec![1, 1, 2, 1]
13607 );
13608 assert_eq!(out[0].color, adjusted_bg2);
13609 assert_eq!(out[1].color, adjusted_bg2);
13610 assert_eq!(out[2].color, text_color);
13611 assert_eq!(out[3].color, adjusted_bg1);
13612 }
13613 }
13614
13615 #[test]
13616 fn test_spacer_pattern_period() {
13617 // line height is smaller than target height, so we just return half the line height
13618 assert_eq!(EditorElement::spacer_pattern_period(10.0, 20.0), 5.0);
13619
13620 // line height is exactly half the target height, perfect match
13621 assert_eq!(EditorElement::spacer_pattern_period(20.0, 10.0), 10.0);
13622
13623 // line height is close to half the target height
13624 assert_eq!(EditorElement::spacer_pattern_period(20.0, 9.0), 10.0);
13625
13626 // line height is close to 1/4 the target height
13627 assert_eq!(EditorElement::spacer_pattern_period(20.0, 4.8), 5.0);
13628 }
13629
13630 #[gpui::test(iterations = 100)]
13631 fn test_random_spacer_pattern_period(mut rng: StdRng) {
13632 let line_height = rng.next_u32() as f32;
13633 let target_height = rng.next_u32() as f32;
13634
13635 let result = EditorElement::spacer_pattern_period(line_height, target_height);
13636
13637 let k = line_height / result;
13638 assert!(k - k.round() < 0.0000001); // approximately integer
13639 assert!((k.round() as u32).is_multiple_of(2));
13640 }
13641
13642 #[test]
13643 fn test_calculate_wrap_width() {
13644 let editor_width = px(800.0);
13645 let em_width = px(8.0);
13646
13647 assert_eq!(
13648 calculate_wrap_width(SoftWrap::GitDiff, editor_width, em_width),
13649 None,
13650 );
13651
13652 assert_eq!(
13653 calculate_wrap_width(SoftWrap::None, editor_width, em_width),
13654 Some(px((MAX_LINE_LEN as f32 / 2.0 * 8.0).ceil())),
13655 );
13656
13657 assert_eq!(
13658 calculate_wrap_width(SoftWrap::EditorWidth, editor_width, em_width),
13659 Some(px(800.0)),
13660 );
13661
13662 assert_eq!(
13663 calculate_wrap_width(SoftWrap::Bounded(72), editor_width, em_width),
13664 Some(px((72.0 * 8.0_f32).ceil())),
13665 );
13666 assert_eq!(
13667 calculate_wrap_width(SoftWrap::Bounded(200), px(400.0), em_width),
13668 Some(px(400.0)),
13669 );
13670 }
13671}