1use crate::{
2 ActiveDiagnostic, BUFFER_HEADER_PADDING, BlockId, CURSORS_VISIBLE_FOR, ChunkRendererContext,
3 ChunkReplacement, CodeActionSource, ColumnarMode, ConflictsOurs, ConflictsOursMarker,
4 ConflictsOuter, ConflictsTheirs, ConflictsTheirsMarker, ContextMenuPlacement, CursorShape,
5 CustomBlockId, DisplayDiffHunk, DisplayPoint, DisplayRow, EditDisplayMode, EditPrediction,
6 Editor, EditorMode, EditorSettings, EditorSnapshot, EditorStyle, FILE_HEADER_HEIGHT,
7 FocusedBlock, GutterDimensions, HalfPageDown, HalfPageUp, HandleInput, HoveredCursor,
8 InlayHintRefreshReason, JumpData, LineDown, LineHighlight, LineUp, MAX_LINE_LEN,
9 MINIMAP_FONT_SIZE, MULTI_BUFFER_EXCERPT_HEADER_HEIGHT, OpenExcerpts, PageDown, PageUp,
10 PhantomBreakpointIndicator, PhantomDiffReviewIndicator, Point, RowExt, RowRangeExt,
11 SelectPhase, Selection, SelectionDragState, SelectionEffects, SizingBehavior, SoftWrap,
12 StickyHeaderExcerpt, ToPoint, ToggleFold, ToggleFoldAll,
13 code_context_menus::{CodeActionsMenu, MENU_ASIDE_MAX_WIDTH, MENU_ASIDE_MIN_WIDTH, MENU_GAP},
14 column_pixels,
15 display_map::{
16 Block, BlockContext, BlockStyle, ChunkRendererId, DisplaySnapshot, EditorMargins,
17 HighlightKey, HighlightedChunk, ToDisplayPoint,
18 },
19 editor_settings::{
20 CurrentLineHighlight, DocumentColorsRenderMode, DoubleClickInMultibuffer, Minimap,
21 MinimapThumb, MinimapThumbBorder, ScrollBeyondLastLine, ScrollbarAxes,
22 ScrollbarDiagnostics, ShowMinimap,
23 },
24 git::blame::{BlameRenderer, GitBlame, GlobalBlameRenderer},
25 hover_popover::{
26 self, HOVER_POPOVER_GAP, MIN_POPOVER_CHARACTER_WIDTH, MIN_POPOVER_LINE_HEIGHT,
27 POPOVER_RIGHT_OFFSET, hover_at,
28 },
29 inlay_hint_settings,
30 mouse_context_menu::{self, MenuPosition},
31 scroll::{
32 ActiveScrollbarState, Autoscroll, ScrollOffset, ScrollPixelOffset, ScrollbarThumbState,
33 scroll_amount::ScrollAmount,
34 },
35};
36use buffer_diff::{DiffHunkStatus, DiffHunkStatusKind};
37use collections::{BTreeMap, HashMap};
38use feature_flags::{DiffReviewFeatureFlag, FeatureFlagAppExt as _};
39use file_icons::FileIcons;
40use git::{Oid, blame::BlameEntry, commit::ParsedCommitMessage, status::FileStatus};
41use gpui::{
42 Action, Along, AnyElement, App, AppContext, AvailableSpace, Axis as ScrollbarAxis, BorderStyle,
43 Bounds, ClickEvent, ClipboardItem, ContentMask, Context, Corner, Corners, CursorStyle,
44 DispatchPhase, Edges, Element, ElementInputHandler, Entity, Focusable as _, Font, FontId,
45 FontWeight, GlobalElementId, Hitbox, HitboxBehavior, Hsla, InteractiveElement, IntoElement,
46 IsZero, Length, Modifiers, ModifiersChangedEvent, MouseButton, MouseClickEvent, MouseDownEvent,
47 MouseMoveEvent, MousePressureEvent, MouseUpEvent, PaintQuad, ParentElement, Pixels,
48 PressureStage, ScrollDelta, ScrollHandle, ScrollWheelEvent, ShapedLine, SharedString, Size,
49 StatefulInteractiveElement, Style, Styled, StyledText, TextAlign, TextRun, TextStyleRefinement,
50 WeakEntity, Window, anchored, deferred, div, fill, linear_color_stop, linear_gradient, outline,
51 pattern_slash, point, px, quad, relative, size, solid_background, transparent_black,
52};
53use itertools::Itertools;
54use language::{HighlightedText, IndentGuideSettings, language_settings::ShowWhitespaceSetting};
55use markdown::Markdown;
56use multi_buffer::{
57 Anchor, ExcerptId, ExcerptInfo, ExpandExcerptDirection, ExpandInfo, MultiBufferPoint,
58 MultiBufferRow, RowInfo,
59};
60
61use project::{
62 DisableAiSettings, Entry, ProjectPath,
63 debugger::breakpoint_store::{Breakpoint, BreakpointSessionState},
64 project_settings::ProjectSettings,
65};
66use settings::{
67 GitGutterSetting, GitHunkStyleSetting, IndentGuideBackgroundColoring, IndentGuideColoring,
68 RelativeLineNumbers, Settings,
69};
70use smallvec::{SmallVec, smallvec};
71use std::{
72 any::TypeId,
73 borrow::Cow,
74 cell::Cell,
75 cmp::{self, Ordering},
76 fmt::{self, Write},
77 iter, mem,
78 ops::{Deref, Range},
79 path::{self, Path},
80 rc::Rc,
81 sync::Arc,
82 time::{Duration, Instant},
83};
84use sum_tree::Bias;
85use text::{BufferId, SelectionGoal};
86use theme::{ActiveTheme, Appearance, PlayerColor};
87use theme_settings::BufferLineHeight;
88use ui::utils::ensure_minimum_contrast;
89use ui::{
90 ButtonLike, ContextMenu, Indicator, KeyBinding, POPOVER_Y_PADDING, Tooltip, prelude::*,
91 right_click_menu, scrollbars::ShowScrollbar, text_for_keystroke,
92};
93use unicode_segmentation::UnicodeSegmentation;
94use util::post_inc;
95use util::{RangeExt, ResultExt, debug_panic};
96use workspace::{
97 CollaboratorId, ItemHandle, ItemSettings, OpenInTerminal, OpenTerminal, RevealInProjectPanel,
98 Workspace,
99 item::{Item, ItemBufferKind},
100};
101
102/// Determines what kinds of highlights should be applied to a lines background.
103#[derive(Clone, Copy, Default)]
104struct LineHighlightSpec {
105 selection: bool,
106 breakpoint: bool,
107 _active_stack_frame: bool,
108}
109
110#[derive(Debug)]
111struct SelectionLayout {
112 head: DisplayPoint,
113 cursor_shape: CursorShape,
114 is_newest: bool,
115 is_local: bool,
116 range: Range<DisplayPoint>,
117 active_rows: Range<DisplayRow>,
118 user_name: Option<SharedString>,
119}
120
121struct InlineBlameLayout {
122 element: AnyElement,
123 bounds: Bounds<Pixels>,
124 buffer_id: BufferId,
125 entry: BlameEntry,
126}
127
128impl SelectionLayout {
129 fn new<T: ToPoint + ToDisplayPoint + Clone>(
130 selection: Selection<T>,
131 line_mode: bool,
132 cursor_offset: bool,
133 cursor_shape: CursorShape,
134 map: &DisplaySnapshot,
135 is_newest: bool,
136 is_local: bool,
137 user_name: Option<SharedString>,
138 ) -> Self {
139 let point_selection = selection.map(|p| p.to_point(map.buffer_snapshot()));
140 let display_selection = point_selection.map(|p| p.to_display_point(map));
141 let mut range = display_selection.range();
142 let mut head = display_selection.head();
143 let mut active_rows = map.prev_line_boundary(point_selection.start).1.row()
144 ..map.next_line_boundary(point_selection.end).1.row();
145
146 // vim visual line mode
147 if line_mode {
148 let point_range = map.expand_to_line(point_selection.range());
149 range = point_range.start.to_display_point(map)..point_range.end.to_display_point(map);
150 }
151
152 // any vim visual mode (including line mode)
153 if cursor_offset && !range.is_empty() && !selection.reversed {
154 if head.column() > 0 {
155 head = map.clip_point(DisplayPoint::new(head.row(), head.column() - 1), Bias::Left);
156 } else if head.row().0 > 0 && head != map.max_point() {
157 head = map.clip_point(
158 DisplayPoint::new(
159 head.row().previous_row(),
160 map.line_len(head.row().previous_row()),
161 ),
162 Bias::Left,
163 );
164 // updating range.end is a no-op unless you're cursor is
165 // on the newline containing a multi-buffer divider
166 // in which case the clip_point may have moved the head up
167 // an additional row.
168 range.end = DisplayPoint::new(head.row().next_row(), 0);
169 active_rows.end = head.row();
170 }
171 }
172
173 Self {
174 head,
175 cursor_shape,
176 is_newest,
177 is_local,
178 range,
179 active_rows,
180 user_name,
181 }
182 }
183}
184
185#[derive(Default)]
186struct RenderBlocksOutput {
187 // We store spacer blocks separately because they paint in a different order
188 // (spacers -> indent guides -> non-spacers)
189 non_spacer_blocks: Vec<BlockLayout>,
190 spacer_blocks: Vec<BlockLayout>,
191 row_block_types: HashMap<DisplayRow, bool>,
192 resized_blocks: Option<HashMap<CustomBlockId, u32>>,
193}
194
195pub struct EditorElement {
196 editor: Entity<Editor>,
197 style: EditorStyle,
198 split_side: Option<SplitSide>,
199}
200
201#[derive(Debug, Clone, Copy, PartialEq, Eq)]
202pub enum SplitSide {
203 Left,
204 Right,
205}
206
207impl EditorElement {
208 pub(crate) const SCROLLBAR_WIDTH: Pixels = px(15.);
209
210 pub fn new(editor: &Entity<Editor>, style: EditorStyle) -> Self {
211 Self {
212 editor: editor.clone(),
213 style,
214 split_side: None,
215 }
216 }
217
218 pub fn set_split_side(&mut self, side: SplitSide) {
219 self.split_side = Some(side);
220 }
221
222 fn should_show_buffer_headers(&self) -> bool {
223 self.split_side.is_none()
224 }
225
226 fn register_actions(&self, window: &mut Window, cx: &mut App) {
227 let editor = &self.editor;
228 editor.update(cx, |editor, cx| {
229 for action in editor.editor_actions.borrow().values() {
230 (action)(editor, window, cx)
231 }
232 });
233
234 crate::rust_analyzer_ext::apply_related_actions(editor, window, cx);
235 crate::clangd_ext::apply_related_actions(editor, window, cx);
236
237 register_action(editor, window, Editor::open_context_menu);
238 register_action(editor, window, Editor::move_left);
239 register_action(editor, window, Editor::move_right);
240 register_action(editor, window, Editor::move_down);
241 register_action(editor, window, Editor::move_down_by_lines);
242 register_action(editor, window, Editor::select_down_by_lines);
243 register_action(editor, window, Editor::move_up);
244 register_action(editor, window, Editor::move_up_by_lines);
245 register_action(editor, window, Editor::select_up_by_lines);
246 register_action(editor, window, Editor::select_page_down);
247 register_action(editor, window, Editor::select_page_up);
248 register_action(editor, window, Editor::cancel);
249 register_action(editor, window, Editor::newline);
250 register_action(editor, window, Editor::newline_above);
251 register_action(editor, window, Editor::newline_below);
252 register_action(editor, window, Editor::backspace);
253 register_action(editor, window, Editor::blame_hover);
254 register_action(editor, window, Editor::delete);
255 register_action(editor, window, Editor::tab);
256 register_action(editor, window, Editor::next_snippet_tabstop);
257 register_action(editor, window, Editor::previous_snippet_tabstop);
258 register_action(editor, window, Editor::backtab);
259 register_action(editor, window, Editor::indent);
260 register_action(editor, window, Editor::outdent);
261 register_action(editor, window, Editor::autoindent);
262 register_action(editor, window, Editor::delete_line);
263 register_action(editor, window, Editor::join_lines);
264 register_action(editor, window, Editor::sort_lines_by_length);
265 register_action(editor, window, Editor::sort_lines_case_sensitive);
266 register_action(editor, window, Editor::sort_lines_case_insensitive);
267 register_action(editor, window, Editor::reverse_lines);
268 register_action(editor, window, Editor::shuffle_lines);
269 register_action(editor, window, Editor::rotate_selections_forward);
270 register_action(editor, window, Editor::rotate_selections_backward);
271 register_action(editor, window, Editor::convert_indentation_to_spaces);
272 register_action(editor, window, Editor::convert_indentation_to_tabs);
273 register_action(editor, window, Editor::convert_to_upper_case);
274 register_action(editor, window, Editor::convert_to_lower_case);
275 register_action(editor, window, Editor::convert_to_title_case);
276 register_action(editor, window, Editor::convert_to_snake_case);
277 register_action(editor, window, Editor::convert_to_kebab_case);
278 register_action(editor, window, Editor::convert_to_upper_camel_case);
279 register_action(editor, window, Editor::convert_to_lower_camel_case);
280 register_action(editor, window, Editor::convert_to_opposite_case);
281 register_action(editor, window, Editor::convert_to_sentence_case);
282 register_action(editor, window, Editor::toggle_case);
283 register_action(editor, window, Editor::convert_to_rot13);
284 register_action(editor, window, Editor::convert_to_rot47);
285 register_action(editor, window, Editor::delete_to_previous_word_start);
286 register_action(editor, window, Editor::delete_to_previous_subword_start);
287 register_action(editor, window, Editor::delete_to_next_word_end);
288 register_action(editor, window, Editor::delete_to_next_subword_end);
289 register_action(editor, window, Editor::delete_to_beginning_of_line);
290 register_action(editor, window, Editor::delete_to_end_of_line);
291 register_action(editor, window, Editor::cut_to_end_of_line);
292 register_action(editor, window, Editor::duplicate_line_up);
293 register_action(editor, window, Editor::duplicate_line_down);
294 register_action(editor, window, Editor::duplicate_selection);
295 register_action(editor, window, Editor::move_line_up);
296 register_action(editor, window, Editor::move_line_down);
297 register_action(editor, window, Editor::transpose);
298 register_action(editor, window, Editor::rewrap);
299 register_action(editor, window, Editor::cut);
300 register_action(editor, window, Editor::kill_ring_cut);
301 register_action(editor, window, Editor::kill_ring_yank);
302 register_action(editor, window, Editor::copy);
303 register_action(editor, window, Editor::copy_and_trim);
304 register_action(editor, window, Editor::diff_clipboard_with_selection);
305 register_action(editor, window, Editor::paste);
306 register_action(editor, window, Editor::undo);
307 register_action(editor, window, Editor::redo);
308 register_action(editor, window, Editor::move_page_up);
309 register_action(editor, window, Editor::move_page_down);
310 register_action(editor, window, Editor::next_screen);
311 register_action(editor, window, Editor::scroll_cursor_top);
312 register_action(editor, window, Editor::scroll_cursor_center);
313 register_action(editor, window, Editor::scroll_cursor_bottom);
314 register_action(editor, window, Editor::scroll_cursor_center_top_bottom);
315 register_action(editor, window, |editor, _: &LineDown, window, cx| {
316 editor.scroll_screen(&ScrollAmount::Line(1.), window, cx)
317 });
318 register_action(editor, window, |editor, _: &LineUp, window, cx| {
319 editor.scroll_screen(&ScrollAmount::Line(-1.), window, cx)
320 });
321 register_action(editor, window, |editor, _: &HalfPageDown, window, cx| {
322 editor.scroll_screen(&ScrollAmount::Page(0.5), window, cx)
323 });
324 register_action(
325 editor,
326 window,
327 |editor, HandleInput(text): &HandleInput, window, cx| {
328 if text.is_empty() {
329 return;
330 }
331 editor.handle_input(text, window, cx);
332 },
333 );
334 register_action(editor, window, |editor, _: &HalfPageUp, window, cx| {
335 editor.scroll_screen(&ScrollAmount::Page(-0.5), window, cx)
336 });
337 register_action(editor, window, |editor, _: &PageDown, window, cx| {
338 editor.scroll_screen(&ScrollAmount::Page(1.), window, cx)
339 });
340 register_action(editor, window, |editor, _: &PageUp, window, cx| {
341 editor.scroll_screen(&ScrollAmount::Page(-1.), window, cx)
342 });
343 register_action(editor, window, Editor::move_to_previous_word_start);
344 register_action(editor, window, Editor::move_to_previous_subword_start);
345 register_action(editor, window, Editor::move_to_next_word_end);
346 register_action(editor, window, Editor::move_to_next_subword_end);
347 register_action(editor, window, Editor::move_to_beginning_of_line);
348 register_action(editor, window, Editor::move_to_end_of_line);
349 register_action(editor, window, Editor::move_to_start_of_paragraph);
350 register_action(editor, window, Editor::move_to_end_of_paragraph);
351 register_action(editor, window, Editor::move_to_beginning);
352 register_action(editor, window, Editor::move_to_end);
353 register_action(editor, window, Editor::move_to_start_of_excerpt);
354 register_action(editor, window, Editor::move_to_start_of_next_excerpt);
355 register_action(editor, window, Editor::move_to_end_of_excerpt);
356 register_action(editor, window, Editor::move_to_end_of_previous_excerpt);
357 register_action(editor, window, Editor::select_up);
358 register_action(editor, window, Editor::select_down);
359 register_action(editor, window, Editor::select_left);
360 register_action(editor, window, Editor::select_right);
361 register_action(editor, window, Editor::select_to_previous_word_start);
362 register_action(editor, window, Editor::select_to_previous_subword_start);
363 register_action(editor, window, Editor::select_to_next_word_end);
364 register_action(editor, window, Editor::select_to_next_subword_end);
365 register_action(editor, window, Editor::select_to_beginning_of_line);
366 register_action(editor, window, Editor::select_to_end_of_line);
367 register_action(editor, window, Editor::select_to_start_of_paragraph);
368 register_action(editor, window, Editor::select_to_end_of_paragraph);
369 register_action(editor, window, Editor::select_to_start_of_excerpt);
370 register_action(editor, window, Editor::select_to_start_of_next_excerpt);
371 register_action(editor, window, Editor::select_to_end_of_excerpt);
372 register_action(editor, window, Editor::select_to_end_of_previous_excerpt);
373 register_action(editor, window, Editor::select_to_beginning);
374 register_action(editor, window, Editor::select_to_end);
375 register_action(editor, window, Editor::select_all);
376 register_action(editor, window, |editor, action, window, cx| {
377 editor.select_all_matches(action, window, cx).log_err();
378 });
379 register_action(editor, window, Editor::select_line);
380 register_action(editor, window, Editor::split_selection_into_lines);
381 register_action(editor, window, Editor::add_selection_above);
382 register_action(editor, window, Editor::add_selection_below);
383 register_action(editor, window, Editor::insert_snippet_at_selections);
384 register_action(editor, window, |editor, action, window, cx| {
385 editor.select_next(action, window, cx).log_err();
386 });
387 register_action(editor, window, |editor, action, window, cx| {
388 editor.select_previous(action, window, cx).log_err();
389 });
390 register_action(editor, window, |editor, action, window, cx| {
391 editor.find_next_match(action, window, cx).log_err();
392 });
393 register_action(editor, window, |editor, action, window, cx| {
394 editor.find_previous_match(action, window, cx).log_err();
395 });
396 register_action(editor, window, Editor::toggle_comments);
397 register_action(editor, window, Editor::select_larger_syntax_node);
398 register_action(editor, window, Editor::select_smaller_syntax_node);
399 register_action(editor, window, Editor::select_next_syntax_node);
400 register_action(editor, window, Editor::select_prev_syntax_node);
401 register_action(
402 editor,
403 window,
404 Editor::select_to_start_of_larger_syntax_node,
405 );
406 register_action(editor, window, Editor::select_to_end_of_larger_syntax_node);
407 register_action(editor, window, Editor::unwrap_syntax_node);
408 register_action(editor, window, Editor::move_to_start_of_larger_syntax_node);
409 register_action(editor, window, Editor::move_to_end_of_larger_syntax_node);
410 register_action(editor, window, Editor::select_enclosing_symbol);
411 register_action(editor, window, Editor::move_to_enclosing_bracket);
412 register_action(editor, window, Editor::undo_selection);
413 register_action(editor, window, Editor::redo_selection);
414 if editor.read(cx).buffer_kind(cx) == ItemBufferKind::Multibuffer {
415 register_action(editor, window, Editor::expand_excerpts);
416 register_action(editor, window, Editor::expand_excerpts_up);
417 register_action(editor, window, Editor::expand_excerpts_down);
418 }
419 register_action(editor, window, Editor::go_to_diagnostic);
420 register_action(editor, window, Editor::go_to_prev_diagnostic);
421 register_action(editor, window, Editor::go_to_next_hunk);
422 register_action(editor, window, Editor::go_to_prev_hunk);
423 register_action(editor, window, Editor::go_to_next_document_highlight);
424 register_action(editor, window, Editor::go_to_prev_document_highlight);
425 register_action(editor, window, |editor, action, window, cx| {
426 editor
427 .go_to_definition(action, window, cx)
428 .detach_and_log_err(cx);
429 });
430 register_action(editor, window, |editor, action, window, cx| {
431 editor
432 .go_to_definition_split(action, window, cx)
433 .detach_and_log_err(cx);
434 });
435 register_action(editor, window, |editor, action, window, cx| {
436 editor
437 .go_to_declaration(action, window, cx)
438 .detach_and_log_err(cx);
439 });
440 register_action(editor, window, |editor, action, window, cx| {
441 editor
442 .go_to_declaration_split(action, window, cx)
443 .detach_and_log_err(cx);
444 });
445 register_action(editor, window, |editor, action, window, cx| {
446 editor
447 .go_to_implementation(action, window, cx)
448 .detach_and_log_err(cx);
449 });
450 register_action(editor, window, |editor, action, window, cx| {
451 editor
452 .go_to_implementation_split(action, window, cx)
453 .detach_and_log_err(cx);
454 });
455 register_action(editor, window, |editor, action, window, cx| {
456 editor
457 .go_to_type_definition(action, window, cx)
458 .detach_and_log_err(cx);
459 });
460 register_action(editor, window, |editor, action, window, cx| {
461 editor
462 .go_to_type_definition_split(action, window, cx)
463 .detach_and_log_err(cx);
464 });
465 register_action(editor, window, Editor::open_url);
466 register_action(editor, window, Editor::open_selected_filename);
467 register_action(editor, window, Editor::fold);
468 register_action(editor, window, Editor::fold_at_level);
469 register_action(editor, window, Editor::fold_at_level_1);
470 register_action(editor, window, Editor::fold_at_level_2);
471 register_action(editor, window, Editor::fold_at_level_3);
472 register_action(editor, window, Editor::fold_at_level_4);
473 register_action(editor, window, Editor::fold_at_level_5);
474 register_action(editor, window, Editor::fold_at_level_6);
475 register_action(editor, window, Editor::fold_at_level_7);
476 register_action(editor, window, Editor::fold_at_level_8);
477 register_action(editor, window, Editor::fold_at_level_9);
478 register_action(editor, window, Editor::fold_all);
479 register_action(editor, window, Editor::fold_function_bodies);
480 register_action(editor, window, Editor::fold_recursive);
481 register_action(editor, window, Editor::toggle_fold);
482 register_action(editor, window, Editor::toggle_fold_recursive);
483 register_action(editor, window, Editor::toggle_fold_all);
484 register_action(editor, window, Editor::unfold_lines);
485 register_action(editor, window, Editor::unfold_recursive);
486 register_action(editor, window, Editor::unfold_all);
487 register_action(editor, window, Editor::fold_selected_ranges);
488 register_action(editor, window, Editor::set_mark);
489 register_action(editor, window, Editor::swap_selection_ends);
490 register_action(editor, window, Editor::show_completions);
491 register_action(editor, window, Editor::show_word_completions);
492 register_action(editor, window, Editor::toggle_code_actions);
493 register_action(editor, window, Editor::open_excerpts);
494 register_action(editor, window, Editor::open_excerpts_in_split);
495 register_action(editor, window, Editor::toggle_soft_wrap);
496 register_action(editor, window, Editor::toggle_tab_bar);
497 register_action(editor, window, Editor::toggle_line_numbers);
498 register_action(editor, window, Editor::toggle_relative_line_numbers);
499 register_action(editor, window, Editor::toggle_indent_guides);
500 register_action(editor, window, Editor::toggle_inlay_hints);
501 register_action(editor, window, Editor::toggle_semantic_highlights);
502 register_action(editor, window, Editor::toggle_edit_predictions);
503 if editor.read(cx).diagnostics_enabled() {
504 register_action(editor, window, Editor::toggle_diagnostics);
505 }
506 if editor.read(cx).inline_diagnostics_enabled() {
507 register_action(editor, window, Editor::toggle_inline_diagnostics);
508 }
509 if editor.read(cx).supports_minimap(cx) {
510 register_action(editor, window, Editor::toggle_minimap);
511 }
512 register_action(editor, window, hover_popover::hover);
513 register_action(editor, window, Editor::reveal_in_finder);
514 register_action(editor, window, Editor::copy_path);
515 register_action(editor, window, Editor::copy_relative_path);
516 register_action(editor, window, Editor::copy_file_name);
517 register_action(editor, window, Editor::copy_file_name_without_extension);
518 register_action(editor, window, Editor::copy_highlight_json);
519 register_action(editor, window, Editor::copy_permalink_to_line);
520 register_action(editor, window, Editor::open_permalink_to_line);
521 register_action(editor, window, Editor::copy_file_location);
522 register_action(editor, window, Editor::toggle_git_blame);
523 register_action(editor, window, Editor::toggle_git_blame_inline);
524 register_action(editor, window, Editor::open_git_blame_commit);
525 register_action(editor, window, Editor::toggle_selected_diff_hunks);
526 register_action(editor, window, Editor::toggle_staged_selected_diff_hunks);
527 register_action(editor, window, Editor::stage_and_next);
528 register_action(editor, window, Editor::unstage_and_next);
529 register_action(editor, window, Editor::expand_all_diff_hunks);
530 register_action(editor, window, Editor::collapse_all_diff_hunks);
531 register_action(editor, window, Editor::toggle_review_comments_expanded);
532 register_action(editor, window, Editor::submit_diff_review_comment_action);
533 register_action(editor, window, Editor::edit_review_comment);
534 register_action(editor, window, Editor::delete_review_comment);
535 register_action(editor, window, Editor::confirm_edit_review_comment_action);
536 register_action(editor, window, Editor::cancel_edit_review_comment_action);
537 register_action(editor, window, Editor::go_to_previous_change);
538 register_action(editor, window, Editor::go_to_next_change);
539 register_action(editor, window, Editor::go_to_prev_reference);
540 register_action(editor, window, Editor::go_to_next_reference);
541 register_action(editor, window, Editor::go_to_previous_symbol);
542 register_action(editor, window, Editor::go_to_next_symbol);
543
544 register_action(editor, window, |editor, action, window, cx| {
545 if let Some(task) = editor.format(action, window, cx) {
546 editor.detach_and_notify_err(task, window, cx);
547 } else {
548 cx.propagate();
549 }
550 });
551 register_action(editor, window, |editor, action, window, cx| {
552 if let Some(task) = editor.format_selections(action, window, cx) {
553 editor.detach_and_notify_err(task, window, cx);
554 } else {
555 cx.propagate();
556 }
557 });
558 register_action(editor, window, |editor, action, window, cx| {
559 if let Some(task) = editor.organize_imports(action, window, cx) {
560 editor.detach_and_notify_err(task, window, cx);
561 } else {
562 cx.propagate();
563 }
564 });
565 register_action(editor, window, Editor::restart_language_server);
566 register_action(editor, window, Editor::stop_language_server);
567 register_action(editor, window, Editor::show_character_palette);
568 register_action(editor, window, |editor, action, window, cx| {
569 if let Some(task) = editor.confirm_completion(action, window, cx) {
570 editor.detach_and_notify_err(task, window, cx);
571 } else {
572 cx.propagate();
573 }
574 });
575 register_action(editor, window, |editor, action, window, cx| {
576 if let Some(task) = editor.confirm_completion_replace(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_insert(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.compose_completion(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.confirm_code_action(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.rename(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.confirm_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.find_all_references(action, window, cx) {
619 task.detach_and_log_err(cx);
620 } else {
621 cx.propagate();
622 }
623 });
624 register_action(editor, window, Editor::show_signature_help);
625 register_action(editor, window, Editor::signature_help_prev);
626 register_action(editor, window, Editor::signature_help_next);
627 register_action(editor, window, Editor::show_edit_prediction);
628 register_action(editor, window, Editor::context_menu_first);
629 register_action(editor, window, Editor::context_menu_prev);
630 register_action(editor, window, Editor::context_menu_next);
631 register_action(editor, window, Editor::context_menu_last);
632 register_action(editor, window, Editor::display_cursor_names);
633 register_action(editor, window, Editor::unique_lines_case_insensitive);
634 register_action(editor, window, Editor::unique_lines_case_sensitive);
635 register_action(editor, window, Editor::accept_next_word_edit_prediction);
636 register_action(editor, window, Editor::accept_next_line_edit_prediction);
637 register_action(editor, window, Editor::accept_edit_prediction);
638 register_action(editor, window, Editor::restore_file);
639 register_action(editor, window, Editor::git_restore);
640 register_action(editor, window, Editor::restore_and_next);
641 register_action(editor, window, Editor::apply_all_diff_hunks);
642 register_action(editor, window, Editor::apply_selected_diff_hunks);
643 register_action(editor, window, Editor::open_active_item_in_terminal);
644 register_action(editor, window, Editor::reload_file);
645 register_action(editor, window, Editor::spawn_nearest_task);
646 register_action(editor, window, Editor::insert_uuid_v4);
647 register_action(editor, window, Editor::insert_uuid_v7);
648 register_action(editor, window, Editor::open_selections_in_multibuffer);
649 register_action(editor, window, Editor::toggle_breakpoint);
650 register_action(editor, window, Editor::edit_log_breakpoint);
651 register_action(editor, window, Editor::enable_breakpoint);
652 register_action(editor, window, Editor::disable_breakpoint);
653 register_action(editor, window, Editor::toggle_read_only);
654 register_action(editor, window, Editor::align_selections);
655 if editor.read(cx).enable_wrap_selections_in_tag(cx) {
656 register_action(editor, window, Editor::wrap_selections_in_tag);
657 }
658 }
659
660 fn register_key_listeners(&self, window: &mut Window, _: &mut App, layout: &EditorLayout) {
661 let position_map = layout.position_map.clone();
662 window.on_key_event({
663 let editor = self.editor.clone();
664 move |event: &ModifiersChangedEvent, phase, window, cx| {
665 if phase != DispatchPhase::Bubble {
666 return;
667 }
668 editor.update(cx, |editor, cx| {
669 let inlay_hint_settings = inlay_hint_settings(
670 editor.selections.newest_anchor().head(),
671 &editor.buffer.read(cx).snapshot(cx),
672 cx,
673 );
674
675 if let Some(inlay_modifiers) = inlay_hint_settings
676 .toggle_on_modifiers_press
677 .as_ref()
678 .filter(|modifiers| modifiers.modified())
679 {
680 editor.refresh_inlay_hints(
681 InlayHintRefreshReason::ModifiersChanged(
682 inlay_modifiers == &event.modifiers,
683 ),
684 cx,
685 );
686 }
687
688 if editor.hover_state.focused(window, cx) {
689 return;
690 }
691
692 editor.handle_modifiers_changed(event.modifiers, &position_map, window, cx);
693 })
694 }
695 });
696 }
697
698 fn mouse_left_down(
699 editor: &mut Editor,
700 event: &MouseDownEvent,
701 position_map: &PositionMap,
702 line_numbers: &HashMap<MultiBufferRow, LineNumberLayout>,
703 window: &mut Window,
704 cx: &mut Context<Editor>,
705 ) {
706 if window.default_prevented() {
707 return;
708 }
709
710 let text_hitbox = &position_map.text_hitbox;
711 let gutter_hitbox = &position_map.gutter_hitbox;
712 let point_for_position = position_map.point_for_position(event.position);
713 let mut click_count = event.click_count;
714 let mut modifiers = event.modifiers;
715
716 if let Some(hovered_hunk) =
717 position_map
718 .display_hunks
719 .iter()
720 .find_map(|(hunk, hunk_hitbox)| match hunk {
721 DisplayDiffHunk::Folded { .. } => None,
722 DisplayDiffHunk::Unfolded {
723 multi_buffer_range, ..
724 } => hunk_hitbox
725 .as_ref()
726 .is_some_and(|hitbox| hitbox.is_hovered(window))
727 .then(|| multi_buffer_range.clone()),
728 })
729 {
730 editor.toggle_single_diff_hunk(hovered_hunk, cx);
731 cx.notify();
732 return;
733 } else if gutter_hitbox.is_hovered(window) {
734 click_count = 3; // Simulate triple-click when clicking the gutter to select lines
735 } else if !text_hitbox.is_hovered(window) {
736 return;
737 }
738
739 if EditorSettings::get_global(cx)
740 .drag_and_drop_selection
741 .enabled
742 && click_count == 1
743 && !modifiers.shift
744 {
745 let newest_anchor = editor.selections.newest_anchor();
746 let snapshot = editor.snapshot(window, cx);
747 let selection = newest_anchor.map(|anchor| anchor.to_display_point(&snapshot));
748 if point_for_position.intersects_selection(&selection) {
749 editor.selection_drag_state = SelectionDragState::ReadyToDrag {
750 selection: newest_anchor.clone(),
751 click_position: event.position,
752 mouse_down_time: Instant::now(),
753 };
754 cx.stop_propagation();
755 return;
756 }
757 }
758
759 let is_singleton = editor.buffer().read(cx).is_singleton();
760
761 if click_count == 2 && !is_singleton {
762 match EditorSettings::get_global(cx).double_click_in_multibuffer {
763 DoubleClickInMultibuffer::Select => {
764 // do nothing special on double click, all selection logic is below
765 }
766 DoubleClickInMultibuffer::Open => {
767 if modifiers.alt {
768 // if double click is made with alt, pretend it's a regular double click without opening and alt,
769 // and run the selection logic.
770 modifiers.alt = false;
771 } else {
772 let scroll_position_row = position_map.scroll_position.y;
773 let display_row = (((event.position - gutter_hitbox.bounds.origin).y
774 / position_map.line_height)
775 as f64
776 + position_map.scroll_position.y)
777 as u32;
778 let multi_buffer_row = position_map
779 .snapshot
780 .display_point_to_point(
781 DisplayPoint::new(DisplayRow(display_row), 0),
782 Bias::Right,
783 )
784 .row;
785 let line_offset_from_top = display_row - scroll_position_row as u32;
786 // if double click is made without alt, open the corresponding excerp
787 editor.open_excerpts_common(
788 Some(JumpData::MultiBufferRow {
789 row: MultiBufferRow(multi_buffer_row),
790 line_offset_from_top,
791 }),
792 false,
793 window,
794 cx,
795 );
796 return;
797 }
798 }
799 }
800 }
801
802 if !is_singleton {
803 let display_row = (ScrollPixelOffset::from(
804 (event.position - gutter_hitbox.bounds.origin).y / position_map.line_height,
805 ) + position_map.scroll_position.y) as u32;
806 let multi_buffer_row = position_map
807 .snapshot
808 .display_point_to_point(DisplayPoint::new(DisplayRow(display_row), 0), Bias::Right)
809 .row;
810 if line_numbers
811 .get(&MultiBufferRow(multi_buffer_row))
812 .is_some_and(|line_layout| {
813 line_layout.segments.iter().any(|segment| {
814 segment
815 .hitbox
816 .as_ref()
817 .is_some_and(|hitbox| hitbox.contains(&event.position))
818 })
819 })
820 {
821 let line_offset_from_top = display_row - position_map.scroll_position.y as u32;
822
823 editor.open_excerpts_common(
824 Some(JumpData::MultiBufferRow {
825 row: MultiBufferRow(multi_buffer_row),
826 line_offset_from_top,
827 }),
828 modifiers.alt,
829 window,
830 cx,
831 );
832 cx.stop_propagation();
833 return;
834 }
835 }
836
837 let position = point_for_position.previous_valid;
838 if let Some(mode) = Editor::columnar_selection_mode(&modifiers, cx) {
839 editor.select(
840 SelectPhase::BeginColumnar {
841 position,
842 reset: match mode {
843 ColumnarMode::FromMouse => true,
844 ColumnarMode::FromSelection => false,
845 },
846 mode,
847 goal_column: point_for_position.exact_unclipped.column(),
848 },
849 window,
850 cx,
851 );
852 } else if modifiers.shift && !modifiers.control && !modifiers.alt && !modifiers.secondary()
853 {
854 editor.select(
855 SelectPhase::Extend {
856 position,
857 click_count,
858 },
859 window,
860 cx,
861 );
862 } else {
863 editor.select(
864 SelectPhase::Begin {
865 position,
866 add: Editor::is_alt_pressed(&modifiers, cx),
867 click_count,
868 },
869 window,
870 cx,
871 );
872 }
873 cx.stop_propagation();
874 }
875
876 fn mouse_right_down(
877 editor: &mut Editor,
878 event: &MouseDownEvent,
879 position_map: &PositionMap,
880 window: &mut Window,
881 cx: &mut Context<Editor>,
882 ) {
883 if position_map.gutter_hitbox.is_hovered(window) {
884 let gutter_right_padding = editor.gutter_dimensions.right_padding;
885 let hitbox = &position_map.gutter_hitbox;
886
887 if event.position.x <= hitbox.bounds.right() - gutter_right_padding {
888 let point_for_position = position_map.point_for_position(event.position);
889 editor.set_breakpoint_context_menu(
890 point_for_position.previous_valid.row(),
891 None,
892 event.position,
893 window,
894 cx,
895 );
896 }
897 return;
898 }
899
900 if !position_map.text_hitbox.is_hovered(window) {
901 return;
902 }
903
904 let point_for_position = position_map.point_for_position(event.position);
905 mouse_context_menu::deploy_context_menu(
906 editor,
907 Some(event.position),
908 point_for_position.previous_valid,
909 window,
910 cx,
911 );
912 cx.stop_propagation();
913 }
914
915 fn mouse_middle_down(
916 editor: &mut Editor,
917 event: &MouseDownEvent,
918 position_map: &PositionMap,
919 window: &mut Window,
920 cx: &mut Context<Editor>,
921 ) {
922 if !position_map.text_hitbox.is_hovered(window) || window.default_prevented() {
923 return;
924 }
925
926 let point_for_position = position_map.point_for_position(event.position);
927 let position = point_for_position.previous_valid;
928
929 editor.select(
930 SelectPhase::BeginColumnar {
931 position,
932 reset: true,
933 mode: ColumnarMode::FromMouse,
934 goal_column: point_for_position.exact_unclipped.column(),
935 },
936 window,
937 cx,
938 );
939 }
940
941 fn mouse_up(
942 editor: &mut Editor,
943 event: &MouseUpEvent,
944 position_map: &PositionMap,
945 window: &mut Window,
946 cx: &mut Context<Editor>,
947 ) {
948 // Handle diff review drag completion
949 if editor.diff_review_drag_state.is_some() {
950 editor.end_diff_review_drag(window, cx);
951 cx.stop_propagation();
952 return;
953 }
954
955 let text_hitbox = &position_map.text_hitbox;
956 let end_selection = editor.has_pending_selection();
957 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
958 let point_for_position = position_map.point_for_position(event.position);
959
960 match editor.selection_drag_state {
961 SelectionDragState::ReadyToDrag {
962 selection: _,
963 ref click_position,
964 mouse_down_time: _,
965 } => {
966 if event.position == *click_position {
967 editor.select(
968 SelectPhase::Begin {
969 position: point_for_position.previous_valid,
970 add: false,
971 click_count: 1, // ready to drag state only occurs on click count 1
972 },
973 window,
974 cx,
975 );
976 editor.selection_drag_state = SelectionDragState::None;
977 cx.stop_propagation();
978 return;
979 } else {
980 debug_panic!("drag state can never be in ready state after drag")
981 }
982 }
983 SelectionDragState::Dragging { ref selection, .. } => {
984 let snapshot = editor.snapshot(window, cx);
985 let selection_display = selection.map(|anchor| anchor.to_display_point(&snapshot));
986 if !point_for_position.intersects_selection(&selection_display)
987 && text_hitbox.is_hovered(window)
988 {
989 let is_cut = !(cfg!(target_os = "macos") && event.modifiers.alt
990 || cfg!(not(target_os = "macos")) && event.modifiers.control);
991 editor.move_selection_on_drop(
992 &selection.clone(),
993 point_for_position.previous_valid,
994 is_cut,
995 window,
996 cx,
997 );
998 }
999 editor.selection_drag_state = SelectionDragState::None;
1000 cx.stop_propagation();
1001 cx.notify();
1002 return;
1003 }
1004 _ => {}
1005 }
1006
1007 if end_selection {
1008 editor.select(SelectPhase::End, window, cx);
1009 }
1010
1011 if end_selection && pending_nonempty_selections {
1012 cx.stop_propagation();
1013 } else if cfg!(any(target_os = "linux", target_os = "freebsd"))
1014 && event.button == MouseButton::Middle
1015 {
1016 #[allow(
1017 clippy::collapsible_if,
1018 clippy::needless_return,
1019 reason = "The cfg-block below makes this a false positive"
1020 )]
1021 if !text_hitbox.is_hovered(window) || editor.read_only(cx) {
1022 return;
1023 }
1024
1025 #[cfg(any(target_os = "linux", target_os = "freebsd"))]
1026 if EditorSettings::get_global(cx).middle_click_paste {
1027 if let Some(text) = cx.read_from_primary().and_then(|item| item.text()) {
1028 let point_for_position = position_map.point_for_position(event.position);
1029 let position = point_for_position.previous_valid;
1030
1031 editor.select(
1032 SelectPhase::Begin {
1033 position,
1034 add: false,
1035 click_count: 1,
1036 },
1037 window,
1038 cx,
1039 );
1040 editor.insert(&text, window, cx);
1041 }
1042 cx.stop_propagation()
1043 }
1044 }
1045 }
1046
1047 fn click(
1048 editor: &mut Editor,
1049 event: &ClickEvent,
1050 position_map: &PositionMap,
1051 window: &mut Window,
1052 cx: &mut Context<Editor>,
1053 ) {
1054 let text_hitbox = &position_map.text_hitbox;
1055 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
1056
1057 let hovered_link_modifier = Editor::is_cmd_or_ctrl_pressed(&event.modifiers(), cx);
1058 let mouse_down_hovered_link_modifier = if let ClickEvent::Mouse(mouse_event) = event {
1059 Editor::is_cmd_or_ctrl_pressed(&mouse_event.down.modifiers, cx)
1060 } else {
1061 true
1062 };
1063
1064 if let Some(mouse_position) = event.mouse_position()
1065 && !pending_nonempty_selections
1066 && hovered_link_modifier
1067 && mouse_down_hovered_link_modifier
1068 && text_hitbox.is_hovered(window)
1069 && !matches!(
1070 editor.selection_drag_state,
1071 SelectionDragState::Dragging { .. }
1072 )
1073 {
1074 let point = position_map.point_for_position(mouse_position);
1075 editor.handle_click_hovered_link(point, event.modifiers(), window, cx);
1076 editor.selection_drag_state = SelectionDragState::None;
1077
1078 cx.stop_propagation();
1079 }
1080 }
1081
1082 fn pressure_click(
1083 editor: &mut Editor,
1084 event: &MousePressureEvent,
1085 position_map: &PositionMap,
1086 window: &mut Window,
1087 cx: &mut Context<Editor>,
1088 ) {
1089 let text_hitbox = &position_map.text_hitbox;
1090 let force_click_possible =
1091 matches!(editor.prev_pressure_stage, Some(PressureStage::Normal))
1092 && event.stage == PressureStage::Force;
1093
1094 editor.prev_pressure_stage = Some(event.stage);
1095
1096 if force_click_possible && text_hitbox.is_hovered(window) {
1097 let point = position_map.point_for_position(event.position);
1098 editor.handle_click_hovered_link(point, event.modifiers, window, cx);
1099 editor.selection_drag_state = SelectionDragState::None;
1100 cx.stop_propagation();
1101 }
1102 }
1103
1104 fn mouse_dragged(
1105 editor: &mut Editor,
1106 event: &MouseMoveEvent,
1107 position_map: &PositionMap,
1108 window: &mut Window,
1109 cx: &mut Context<Editor>,
1110 ) {
1111 if !editor.has_pending_selection()
1112 && matches!(editor.selection_drag_state, SelectionDragState::None)
1113 {
1114 return;
1115 }
1116
1117 let point_for_position = position_map.point_for_position(event.position);
1118 let text_hitbox = &position_map.text_hitbox;
1119
1120 let scroll_delta = {
1121 let text_bounds = text_hitbox.bounds;
1122 let mut scroll_delta = gpui::Point::<f32>::default();
1123 let vertical_margin = position_map.line_height.min(text_bounds.size.height / 3.0);
1124 let top = text_bounds.origin.y + vertical_margin;
1125 let bottom = text_bounds.bottom_left().y - vertical_margin;
1126 if event.position.y < top {
1127 scroll_delta.y = -scale_vertical_mouse_autoscroll_delta(top - event.position.y);
1128 }
1129 if event.position.y > bottom {
1130 scroll_delta.y = scale_vertical_mouse_autoscroll_delta(event.position.y - bottom);
1131 }
1132
1133 // We need horizontal width of text
1134 let style = editor.style.clone().unwrap_or_default();
1135 let font_id = window.text_system().resolve_font(&style.text.font());
1136 let font_size = style.text.font_size.to_pixels(window.rem_size());
1137 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
1138
1139 let scroll_margin_x = EditorSettings::get_global(cx).horizontal_scroll_margin;
1140
1141 let scroll_space: Pixels = scroll_margin_x * em_width;
1142
1143 let left = text_bounds.origin.x + scroll_space;
1144 let right = text_bounds.top_right().x - scroll_space;
1145
1146 if event.position.x < left {
1147 scroll_delta.x = -scale_horizontal_mouse_autoscroll_delta(left - event.position.x);
1148 }
1149 if event.position.x > right {
1150 scroll_delta.x = scale_horizontal_mouse_autoscroll_delta(event.position.x - right);
1151 }
1152 scroll_delta
1153 };
1154
1155 if !editor.has_pending_selection() {
1156 let drop_anchor = position_map
1157 .snapshot
1158 .display_point_to_anchor(point_for_position.previous_valid, Bias::Left);
1159 match editor.selection_drag_state {
1160 SelectionDragState::Dragging {
1161 ref mut drop_cursor,
1162 ref mut hide_drop_cursor,
1163 ..
1164 } => {
1165 drop_cursor.start = drop_anchor;
1166 drop_cursor.end = drop_anchor;
1167 *hide_drop_cursor = !text_hitbox.is_hovered(window);
1168 editor.apply_scroll_delta(scroll_delta, window, cx);
1169 cx.notify();
1170 }
1171 SelectionDragState::ReadyToDrag {
1172 ref selection,
1173 ref click_position,
1174 ref mouse_down_time,
1175 } => {
1176 let drag_and_drop_delay = Duration::from_millis(
1177 EditorSettings::get_global(cx)
1178 .drag_and_drop_selection
1179 .delay
1180 .0,
1181 );
1182 if mouse_down_time.elapsed() >= drag_and_drop_delay {
1183 let drop_cursor = Selection {
1184 id: post_inc(&mut editor.selections.next_selection_id()),
1185 start: drop_anchor,
1186 end: drop_anchor,
1187 reversed: false,
1188 goal: SelectionGoal::None,
1189 };
1190 editor.selection_drag_state = SelectionDragState::Dragging {
1191 selection: selection.clone(),
1192 drop_cursor,
1193 hide_drop_cursor: false,
1194 };
1195 editor.apply_scroll_delta(scroll_delta, window, cx);
1196 cx.notify();
1197 } else {
1198 let click_point = position_map.point_for_position(*click_position);
1199 editor.selection_drag_state = SelectionDragState::None;
1200 editor.select(
1201 SelectPhase::Begin {
1202 position: click_point.previous_valid,
1203 add: false,
1204 click_count: 1,
1205 },
1206 window,
1207 cx,
1208 );
1209 editor.select(
1210 SelectPhase::Update {
1211 position: point_for_position.previous_valid,
1212 goal_column: point_for_position.exact_unclipped.column(),
1213 scroll_delta,
1214 },
1215 window,
1216 cx,
1217 );
1218 }
1219 }
1220 _ => {}
1221 }
1222 } else {
1223 editor.select(
1224 SelectPhase::Update {
1225 position: point_for_position.previous_valid,
1226 goal_column: point_for_position.exact_unclipped.column(),
1227 scroll_delta,
1228 },
1229 window,
1230 cx,
1231 );
1232 }
1233 }
1234
1235 pub(crate) fn mouse_moved(
1236 editor: &mut Editor,
1237 event: &MouseMoveEvent,
1238 position_map: &PositionMap,
1239 split_side: Option<SplitSide>,
1240 window: &mut Window,
1241 cx: &mut Context<Editor>,
1242 ) {
1243 let text_hitbox = &position_map.text_hitbox;
1244 let gutter_hitbox = &position_map.gutter_hitbox;
1245 let modifiers = event.modifiers;
1246 let text_hovered = text_hitbox.is_hovered(window);
1247 let gutter_hovered = gutter_hitbox.is_hovered(window);
1248 editor.set_gutter_hovered(gutter_hovered, cx);
1249 editor.show_mouse_cursor(cx);
1250
1251 let point_for_position = position_map.point_for_position(event.position);
1252 let valid_point = point_for_position.previous_valid;
1253
1254 // Update diff review drag state if we're dragging
1255 if editor.diff_review_drag_state.is_some() {
1256 editor.update_diff_review_drag(valid_point.row(), window, cx);
1257 }
1258
1259 let hovered_diff_control = position_map
1260 .diff_hunk_control_bounds
1261 .iter()
1262 .find(|(_, bounds)| bounds.contains(&event.position))
1263 .map(|(row, _)| *row);
1264
1265 let hovered_diff_hunk_row = if let Some(control_row) = hovered_diff_control {
1266 Some(control_row)
1267 } else if text_hovered {
1268 let current_row = valid_point.row();
1269 position_map.display_hunks.iter().find_map(|(hunk, _)| {
1270 if let DisplayDiffHunk::Unfolded {
1271 display_row_range, ..
1272 } = hunk
1273 {
1274 if display_row_range.contains(¤t_row) {
1275 Some(display_row_range.start)
1276 } else {
1277 None
1278 }
1279 } else {
1280 None
1281 }
1282 })
1283 } else {
1284 None
1285 };
1286
1287 if hovered_diff_hunk_row != editor.hovered_diff_hunk_row {
1288 editor.hovered_diff_hunk_row = hovered_diff_hunk_row;
1289 cx.notify();
1290 }
1291
1292 if let Some((bounds, buffer_id, blame_entry)) = &position_map.inline_blame_bounds {
1293 let mouse_over_inline_blame = bounds.contains(&event.position);
1294 let mouse_over_popover = editor
1295 .inline_blame_popover
1296 .as_ref()
1297 .and_then(|state| state.popover_bounds)
1298 .is_some_and(|bounds| bounds.contains(&event.position));
1299 let keyboard_grace = editor
1300 .inline_blame_popover
1301 .as_ref()
1302 .is_some_and(|state| state.keyboard_grace);
1303
1304 if mouse_over_inline_blame || mouse_over_popover {
1305 editor.show_blame_popover(*buffer_id, blame_entry, event.position, false, cx);
1306 } else if !keyboard_grace {
1307 editor.hide_blame_popover(false, cx);
1308 }
1309 } else {
1310 let keyboard_grace = editor
1311 .inline_blame_popover
1312 .as_ref()
1313 .is_some_and(|state| state.keyboard_grace);
1314 if !keyboard_grace {
1315 editor.hide_blame_popover(false, cx);
1316 }
1317 }
1318
1319 // Handle diff review indicator when gutter is hovered in diff mode with AI enabled
1320 let show_diff_review = editor.show_diff_review_button()
1321 && cx.has_flag::<DiffReviewFeatureFlag>()
1322 && !DisableAiSettings::is_ai_disabled_for_buffer(
1323 editor.buffer.read(cx).as_singleton().as_ref(),
1324 cx,
1325 );
1326
1327 let diff_review_indicator = if gutter_hovered && show_diff_review {
1328 let is_visible = editor
1329 .gutter_diff_review_indicator
1330 .0
1331 .is_some_and(|indicator| indicator.is_active);
1332
1333 if !is_visible {
1334 editor
1335 .gutter_diff_review_indicator
1336 .1
1337 .get_or_insert_with(|| {
1338 cx.spawn(async move |this, cx| {
1339 cx.background_executor()
1340 .timer(Duration::from_millis(200))
1341 .await;
1342
1343 this.update(cx, |this, cx| {
1344 if let Some(indicator) =
1345 this.gutter_diff_review_indicator.0.as_mut()
1346 {
1347 indicator.is_active = true;
1348 cx.notify();
1349 }
1350 })
1351 .ok();
1352 })
1353 });
1354 }
1355
1356 let anchor = position_map
1357 .snapshot
1358 .display_point_to_anchor(valid_point, Bias::Left);
1359 Some(PhantomDiffReviewIndicator {
1360 start: anchor,
1361 end: anchor,
1362 is_active: is_visible,
1363 })
1364 } else {
1365 editor.gutter_diff_review_indicator.1 = None;
1366 None
1367 };
1368
1369 if diff_review_indicator != editor.gutter_diff_review_indicator.0 {
1370 editor.gutter_diff_review_indicator.0 = diff_review_indicator;
1371 cx.notify();
1372 }
1373
1374 // Don't show breakpoint indicator when diff review indicator is active on this row
1375 let is_on_diff_review_button_row = diff_review_indicator.is_some_and(|indicator| {
1376 let start_row = indicator
1377 .start
1378 .to_display_point(&position_map.snapshot.display_snapshot)
1379 .row();
1380 indicator.is_active && start_row == valid_point.row()
1381 });
1382
1383 let breakpoint_indicator = if gutter_hovered
1384 && !is_on_diff_review_button_row
1385 && split_side != Some(SplitSide::Left)
1386 {
1387 let buffer_anchor = position_map
1388 .snapshot
1389 .display_point_to_anchor(valid_point, Bias::Left);
1390
1391 if let Some((buffer_snapshot, file)) = position_map
1392 .snapshot
1393 .buffer_snapshot()
1394 .buffer_for_excerpt(buffer_anchor.excerpt_id)
1395 .and_then(|buffer| buffer.file().map(|file| (buffer, file)))
1396 {
1397 let as_point = text::ToPoint::to_point(&buffer_anchor.text_anchor, buffer_snapshot);
1398
1399 let is_visible = editor
1400 .gutter_breakpoint_indicator
1401 .0
1402 .is_some_and(|indicator| indicator.is_active);
1403
1404 let has_existing_breakpoint =
1405 editor.breakpoint_store.as_ref().is_some_and(|store| {
1406 let Some(project) = &editor.project else {
1407 return false;
1408 };
1409 let Some(abs_path) = project.read(cx).absolute_path(
1410 &ProjectPath {
1411 path: file.path().clone(),
1412 worktree_id: file.worktree_id(cx),
1413 },
1414 cx,
1415 ) else {
1416 return false;
1417 };
1418 store
1419 .read(cx)
1420 .breakpoint_at_row(&abs_path, as_point.row, cx)
1421 .is_some()
1422 });
1423
1424 if !is_visible {
1425 editor.gutter_breakpoint_indicator.1.get_or_insert_with(|| {
1426 cx.spawn(async move |this, cx| {
1427 cx.background_executor()
1428 .timer(Duration::from_millis(200))
1429 .await;
1430
1431 this.update(cx, |this, cx| {
1432 if let Some(indicator) = this.gutter_breakpoint_indicator.0.as_mut()
1433 {
1434 indicator.is_active = true;
1435 cx.notify();
1436 }
1437 })
1438 .ok();
1439 })
1440 });
1441 }
1442
1443 Some(PhantomBreakpointIndicator {
1444 display_row: valid_point.row(),
1445 is_active: is_visible,
1446 collides_with_existing_breakpoint: has_existing_breakpoint,
1447 })
1448 } else {
1449 editor.gutter_breakpoint_indicator.1 = None;
1450 None
1451 }
1452 } else {
1453 editor.gutter_breakpoint_indicator.1 = None;
1454 None
1455 };
1456
1457 if &breakpoint_indicator != &editor.gutter_breakpoint_indicator.0 {
1458 editor.gutter_breakpoint_indicator.0 = breakpoint_indicator;
1459 cx.notify();
1460 }
1461
1462 // Don't trigger hover popover if mouse is hovering over context menu
1463 if text_hovered {
1464 editor.update_hovered_link(
1465 point_for_position,
1466 Some(event.position),
1467 &position_map.snapshot,
1468 modifiers,
1469 window,
1470 cx,
1471 );
1472
1473 if let Some(point) = point_for_position.as_valid() {
1474 let anchor = position_map
1475 .snapshot
1476 .buffer_snapshot()
1477 .anchor_before(point.to_offset(&position_map.snapshot, Bias::Left));
1478 hover_at(editor, Some(anchor), Some(event.position), window, cx);
1479 Self::update_visible_cursor(editor, point, position_map, window, cx);
1480 } else {
1481 editor.update_inlay_link_and_hover_points(
1482 &position_map.snapshot,
1483 point_for_position,
1484 Some(event.position),
1485 modifiers.secondary(),
1486 modifiers.shift,
1487 window,
1488 cx,
1489 );
1490 }
1491 } else {
1492 editor.hide_hovered_link(cx);
1493 hover_at(editor, None, Some(event.position), window, cx);
1494 }
1495 }
1496
1497 fn update_visible_cursor(
1498 editor: &mut Editor,
1499 point: DisplayPoint,
1500 position_map: &PositionMap,
1501 window: &mut Window,
1502 cx: &mut Context<Editor>,
1503 ) {
1504 let snapshot = &position_map.snapshot;
1505 let Some(hub) = editor.collaboration_hub() else {
1506 return;
1507 };
1508 let start = snapshot.display_snapshot.clip_point(
1509 DisplayPoint::new(point.row(), point.column().saturating_sub(1)),
1510 Bias::Left,
1511 );
1512 let end = snapshot.display_snapshot.clip_point(
1513 DisplayPoint::new(
1514 point.row(),
1515 (point.column() + 1).min(snapshot.line_len(point.row())),
1516 ),
1517 Bias::Right,
1518 );
1519
1520 let range = snapshot
1521 .buffer_snapshot()
1522 .anchor_before(start.to_point(&snapshot.display_snapshot))
1523 ..snapshot
1524 .buffer_snapshot()
1525 .anchor_after(end.to_point(&snapshot.display_snapshot));
1526
1527 let Some(selection) = snapshot.remote_selections_in_range(&range, hub, cx).next() else {
1528 return;
1529 };
1530 let key = crate::HoveredCursor {
1531 replica_id: selection.replica_id,
1532 selection_id: selection.selection.id,
1533 };
1534 editor.hovered_cursors.insert(
1535 key.clone(),
1536 cx.spawn_in(window, async move |editor, cx| {
1537 cx.background_executor().timer(CURSORS_VISIBLE_FOR).await;
1538 editor
1539 .update(cx, |editor, cx| {
1540 editor.hovered_cursors.remove(&key);
1541 cx.notify();
1542 })
1543 .ok();
1544 }),
1545 );
1546 cx.notify()
1547 }
1548
1549 fn layout_selections(
1550 &self,
1551 start_anchor: Anchor,
1552 end_anchor: Anchor,
1553 local_selections: &[Selection<Point>],
1554 snapshot: &EditorSnapshot,
1555 start_row: DisplayRow,
1556 end_row: DisplayRow,
1557 window: &mut Window,
1558 cx: &mut App,
1559 ) -> (
1560 Vec<(PlayerColor, Vec<SelectionLayout>)>,
1561 BTreeMap<DisplayRow, LineHighlightSpec>,
1562 Option<DisplayPoint>,
1563 ) {
1564 let mut selections: Vec<(PlayerColor, Vec<SelectionLayout>)> = Vec::new();
1565 let mut active_rows = BTreeMap::new();
1566 let mut newest_selection_head = None;
1567
1568 let Some(editor_with_selections) = self.editor_with_selections(cx) else {
1569 return (selections, active_rows, newest_selection_head);
1570 };
1571
1572 editor_with_selections.update(cx, |editor, cx| {
1573 if editor.show_local_selections {
1574 let mut layouts = Vec::new();
1575 let newest = editor.selections.newest(&editor.display_snapshot(cx));
1576 for selection in local_selections.iter().cloned() {
1577 let is_empty = selection.start == selection.end;
1578 let is_newest = selection == newest;
1579
1580 let layout = SelectionLayout::new(
1581 selection,
1582 editor.selections.line_mode(),
1583 editor.cursor_offset_on_selection,
1584 editor.cursor_shape,
1585 &snapshot.display_snapshot,
1586 is_newest,
1587 editor.leader_id.is_none(),
1588 None,
1589 );
1590 if is_newest {
1591 newest_selection_head = Some(layout.head);
1592 }
1593
1594 for row in cmp::max(layout.active_rows.start.0, start_row.0)
1595 ..=cmp::min(layout.active_rows.end.0, end_row.0)
1596 {
1597 let contains_non_empty_selection = active_rows
1598 .entry(DisplayRow(row))
1599 .or_insert_with(LineHighlightSpec::default);
1600 contains_non_empty_selection.selection |= !is_empty;
1601 }
1602 layouts.push(layout);
1603 }
1604
1605 let mut player = editor.current_user_player_color(cx);
1606 if !editor.is_focused(window) {
1607 const UNFOCUS_EDITOR_SELECTION_OPACITY: f32 = 0.5;
1608 player.selection = player.selection.opacity(UNFOCUS_EDITOR_SELECTION_OPACITY);
1609 }
1610 selections.push((player, layouts));
1611
1612 if let SelectionDragState::Dragging {
1613 ref selection,
1614 ref drop_cursor,
1615 ref hide_drop_cursor,
1616 } = editor.selection_drag_state
1617 && !hide_drop_cursor
1618 && (drop_cursor
1619 .start
1620 .cmp(&selection.start, &snapshot.buffer_snapshot())
1621 .eq(&Ordering::Less)
1622 || drop_cursor
1623 .end
1624 .cmp(&selection.end, &snapshot.buffer_snapshot())
1625 .eq(&Ordering::Greater))
1626 {
1627 let drag_cursor_layout = SelectionLayout::new(
1628 drop_cursor.clone(),
1629 false,
1630 editor.cursor_offset_on_selection,
1631 CursorShape::Bar,
1632 &snapshot.display_snapshot,
1633 false,
1634 false,
1635 None,
1636 );
1637 let absent_color = cx.theme().players().absent();
1638 selections.push((absent_color, vec![drag_cursor_layout]));
1639 }
1640 }
1641
1642 if let Some(collaboration_hub) = &editor.collaboration_hub {
1643 // When following someone, render the local selections in their color.
1644 if let Some(leader_id) = editor.leader_id {
1645 match leader_id {
1646 CollaboratorId::PeerId(peer_id) => {
1647 if let Some(collaborator) =
1648 collaboration_hub.collaborators(cx).get(&peer_id)
1649 && let Some(participant_index) = collaboration_hub
1650 .user_participant_indices(cx)
1651 .get(&collaborator.user_id)
1652 && let Some((local_selection_style, _)) = selections.first_mut()
1653 {
1654 *local_selection_style = cx
1655 .theme()
1656 .players()
1657 .color_for_participant(participant_index.0);
1658 }
1659 }
1660 CollaboratorId::Agent => {
1661 if let Some((local_selection_style, _)) = selections.first_mut() {
1662 *local_selection_style = cx.theme().players().agent();
1663 }
1664 }
1665 }
1666 }
1667
1668 let mut remote_selections = HashMap::default();
1669 for selection in snapshot.remote_selections_in_range(
1670 &(start_anchor..end_anchor),
1671 collaboration_hub.as_ref(),
1672 cx,
1673 ) {
1674 // Don't re-render the leader's selections, since the local selections
1675 // match theirs.
1676 if Some(selection.collaborator_id) == editor.leader_id {
1677 continue;
1678 }
1679 let key = HoveredCursor {
1680 replica_id: selection.replica_id,
1681 selection_id: selection.selection.id,
1682 };
1683
1684 let is_shown =
1685 editor.show_cursor_names || editor.hovered_cursors.contains_key(&key);
1686
1687 remote_selections
1688 .entry(selection.replica_id)
1689 .or_insert((selection.color, Vec::new()))
1690 .1
1691 .push(SelectionLayout::new(
1692 selection.selection,
1693 selection.line_mode,
1694 editor.cursor_offset_on_selection,
1695 selection.cursor_shape,
1696 &snapshot.display_snapshot,
1697 false,
1698 false,
1699 if is_shown { selection.user_name } else { None },
1700 ));
1701 }
1702
1703 selections.extend(remote_selections.into_values());
1704 } else if !editor.is_focused(window) && editor.show_cursor_when_unfocused {
1705 let cursor_offset_on_selection = editor.cursor_offset_on_selection;
1706
1707 let layouts = snapshot
1708 .buffer_snapshot()
1709 .selections_in_range(&(start_anchor..end_anchor), true)
1710 .map(move |(_, line_mode, cursor_shape, selection)| {
1711 SelectionLayout::new(
1712 selection,
1713 line_mode,
1714 cursor_offset_on_selection,
1715 cursor_shape,
1716 &snapshot.display_snapshot,
1717 false,
1718 false,
1719 None,
1720 )
1721 })
1722 .collect::<Vec<_>>();
1723 let player = editor.current_user_player_color(cx);
1724 selections.push((player, layouts));
1725 }
1726 });
1727
1728 #[cfg(debug_assertions)]
1729 Self::layout_debug_ranges(
1730 &mut selections,
1731 start_anchor..end_anchor,
1732 &snapshot.display_snapshot,
1733 cx,
1734 );
1735
1736 (selections, active_rows, newest_selection_head)
1737 }
1738
1739 fn collect_cursors(
1740 &self,
1741 snapshot: &EditorSnapshot,
1742 cx: &mut App,
1743 ) -> Vec<(DisplayPoint, Hsla)> {
1744 let editor = self.editor.read(cx);
1745 let mut cursors = Vec::new();
1746 let mut skip_local = false;
1747 let mut add_cursor = |anchor: Anchor, color| {
1748 cursors.push((anchor.to_display_point(&snapshot.display_snapshot), color));
1749 };
1750 // Remote cursors
1751 if let Some(collaboration_hub) = &editor.collaboration_hub {
1752 for remote_selection in snapshot.remote_selections_in_range(
1753 &(Anchor::min()..Anchor::max()),
1754 collaboration_hub.deref(),
1755 cx,
1756 ) {
1757 add_cursor(
1758 remote_selection.selection.head(),
1759 remote_selection.color.cursor,
1760 );
1761 if Some(remote_selection.collaborator_id) == editor.leader_id {
1762 skip_local = true;
1763 }
1764 }
1765 }
1766 // Local cursors
1767 if !skip_local {
1768 let color = cx.theme().players().local().cursor;
1769 editor
1770 .selections
1771 .disjoint_anchors()
1772 .iter()
1773 .for_each(|selection| {
1774 add_cursor(selection.head(), color);
1775 });
1776 if let Some(ref selection) = editor.selections.pending_anchor() {
1777 add_cursor(selection.head(), color);
1778 }
1779 }
1780 cursors
1781 }
1782
1783 fn layout_visible_cursors(
1784 &self,
1785 snapshot: &EditorSnapshot,
1786 selections: &[(PlayerColor, Vec<SelectionLayout>)],
1787 row_block_types: &HashMap<DisplayRow, bool>,
1788 visible_display_row_range: Range<DisplayRow>,
1789 line_layouts: &[LineWithInvisibles],
1790 text_hitbox: &Hitbox,
1791 content_origin: gpui::Point<Pixels>,
1792 scroll_position: gpui::Point<ScrollOffset>,
1793 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
1794 line_height: Pixels,
1795 em_width: Pixels,
1796 em_advance: Pixels,
1797 autoscroll_containing_element: bool,
1798 redacted_ranges: &[Range<DisplayPoint>],
1799 window: &mut Window,
1800 cx: &mut App,
1801 ) -> Vec<CursorLayout> {
1802 let mut autoscroll_bounds = None;
1803 let cursor_layouts = self.editor.update(cx, |editor, cx| {
1804 let mut cursors = Vec::new();
1805
1806 let show_local_cursors = editor.show_local_cursors(window, cx);
1807
1808 for (player_color, selections) in selections {
1809 for selection in selections {
1810 let cursor_position = selection.head;
1811
1812 let in_range = visible_display_row_range.contains(&cursor_position.row());
1813 if (selection.is_local && !show_local_cursors)
1814 || !in_range
1815 || row_block_types.get(&cursor_position.row()) == Some(&true)
1816 {
1817 continue;
1818 }
1819
1820 let cursor_row_layout = &line_layouts
1821 [cursor_position.row().minus(visible_display_row_range.start) as usize];
1822 let cursor_column = cursor_position.column() as usize;
1823
1824 let cursor_character_x = cursor_row_layout.x_for_index(cursor_column)
1825 + cursor_row_layout
1826 .alignment_offset(self.style.text.text_align, text_hitbox.size.width);
1827 let cursor_next_x = cursor_row_layout.x_for_index(cursor_column + 1)
1828 + cursor_row_layout
1829 .alignment_offset(self.style.text.text_align, text_hitbox.size.width);
1830 let mut cell_width = cursor_next_x - cursor_character_x;
1831 if cell_width == Pixels::ZERO {
1832 cell_width = em_advance;
1833 }
1834
1835 let mut block_width = cell_width;
1836 let mut block_text = None;
1837
1838 let is_cursor_in_redacted_range = redacted_ranges
1839 .iter()
1840 .any(|range| range.start <= cursor_position && cursor_position < range.end);
1841
1842 if selection.cursor_shape == CursorShape::Block && !is_cursor_in_redacted_range
1843 {
1844 if let Some(text) = snapshot.grapheme_at(cursor_position).or_else(|| {
1845 if snapshot.is_empty() {
1846 snapshot.placeholder_text().and_then(|s| {
1847 s.graphemes(true).next().map(|s| s.to_string().into())
1848 })
1849 } else {
1850 None
1851 }
1852 }) {
1853 let is_ascii_whitespace_only =
1854 text.as_ref().chars().all(|c| c.is_ascii_whitespace());
1855 let len = text.len();
1856
1857 let mut font = cursor_row_layout
1858 .font_id_for_index(cursor_column)
1859 .and_then(|cursor_font_id| {
1860 window.text_system().get_font_for_id(cursor_font_id)
1861 })
1862 .unwrap_or(self.style.text.font());
1863 font.features = self.style.text.font_features.clone();
1864
1865 // Invert the text color for the block cursor. Ensure that the text
1866 // color is opaque enough to be visible against the background color.
1867 //
1868 // 0.75 is an arbitrary threshold to determine if the background color is
1869 // opaque enough to use as a text color.
1870 //
1871 // TODO: In the future we should ensure themes have a `text_inverse` color.
1872 let color = if cx.theme().colors().editor_background.a < 0.75 {
1873 match cx.theme().appearance {
1874 Appearance::Dark => Hsla::black(),
1875 Appearance::Light => Hsla::white(),
1876 }
1877 } else {
1878 cx.theme().colors().editor_background
1879 };
1880
1881 let shaped = window.text_system().shape_line(
1882 text,
1883 cursor_row_layout.font_size,
1884 &[TextRun {
1885 len,
1886 font,
1887 color,
1888 ..Default::default()
1889 }],
1890 None,
1891 );
1892 if !is_ascii_whitespace_only {
1893 block_width = block_width.max(shaped.width);
1894 }
1895 block_text = Some(shaped);
1896 }
1897 }
1898
1899 let x = cursor_character_x - scroll_pixel_position.x.into();
1900 let y = ((cursor_position.row().as_f64() - scroll_position.y)
1901 * ScrollPixelOffset::from(line_height))
1902 .into();
1903 if selection.is_newest {
1904 editor.pixel_position_of_newest_cursor = Some(point(
1905 text_hitbox.origin.x + x + block_width / 2.,
1906 text_hitbox.origin.y + y + line_height / 2.,
1907 ));
1908
1909 if autoscroll_containing_element {
1910 let top = text_hitbox.origin.y
1911 + ((cursor_position.row().as_f64() - scroll_position.y - 3.)
1912 .max(0.)
1913 * ScrollPixelOffset::from(line_height))
1914 .into();
1915 let left = text_hitbox.origin.x
1916 + ((cursor_position.column() as ScrollOffset
1917 - scroll_position.x
1918 - 3.)
1919 .max(0.)
1920 * ScrollPixelOffset::from(em_width))
1921 .into();
1922
1923 let bottom = text_hitbox.origin.y
1924 + ((cursor_position.row().as_f64() - scroll_position.y + 4.)
1925 * ScrollPixelOffset::from(line_height))
1926 .into();
1927 let right = text_hitbox.origin.x
1928 + ((cursor_position.column() as ScrollOffset - scroll_position.x
1929 + 4.)
1930 * ScrollPixelOffset::from(em_width))
1931 .into();
1932
1933 autoscroll_bounds =
1934 Some(Bounds::from_corners(point(left, top), point(right, bottom)))
1935 }
1936 }
1937
1938 let mut cursor = CursorLayout {
1939 color: player_color.cursor,
1940 block_width,
1941 origin: point(x, y),
1942 line_height,
1943 shape: selection.cursor_shape,
1944 block_text,
1945 cursor_name: None,
1946 };
1947 let cursor_name = selection.user_name.clone().map(|name| CursorName {
1948 string: name,
1949 color: self.style.background,
1950 is_top_row: cursor_position.row().0 == 0,
1951 });
1952 cursor.layout(content_origin, cursor_name, window, cx);
1953 cursors.push(cursor);
1954 }
1955 }
1956
1957 cursors
1958 });
1959
1960 if let Some(bounds) = autoscroll_bounds {
1961 window.request_autoscroll(bounds);
1962 }
1963
1964 cursor_layouts
1965 }
1966
1967 fn layout_scrollbars(
1968 &self,
1969 snapshot: &EditorSnapshot,
1970 scrollbar_layout_information: &ScrollbarLayoutInformation,
1971 content_offset: gpui::Point<Pixels>,
1972 scroll_position: gpui::Point<ScrollOffset>,
1973 non_visible_cursors: bool,
1974 right_margin: Pixels,
1975 editor_width: Pixels,
1976 window: &mut Window,
1977 cx: &mut App,
1978 ) -> Option<EditorScrollbars> {
1979 let show_scrollbars = self.editor.read(cx).show_scrollbars;
1980 if (!show_scrollbars.horizontal && !show_scrollbars.vertical)
1981 || self.style.scrollbar_width.is_zero()
1982 {
1983 return None;
1984 }
1985
1986 // If a drag took place after we started dragging the scrollbar,
1987 // cancel the scrollbar drag.
1988 if cx.has_active_drag() {
1989 self.editor.update(cx, |editor, cx| {
1990 editor.scroll_manager.reset_scrollbar_state(cx)
1991 });
1992 }
1993
1994 let editor_settings = EditorSettings::get_global(cx);
1995 let scrollbar_settings = editor_settings.scrollbar;
1996 let show_scrollbars = match scrollbar_settings.show {
1997 ShowScrollbar::Auto => {
1998 let editor = self.editor.read(cx);
1999 let is_singleton = editor.buffer_kind(cx) == ItemBufferKind::Singleton;
2000 // Git
2001 (is_singleton && scrollbar_settings.git_diff && snapshot.buffer_snapshot().has_diff_hunks())
2002 ||
2003 // Buffer Search Results
2004 (is_singleton && scrollbar_settings.search_results && editor.has_background_highlights(HighlightKey::BufferSearchHighlights))
2005 ||
2006 // Selected Text Occurrences
2007 (is_singleton && scrollbar_settings.selected_text && editor.has_background_highlights(HighlightKey::SelectedTextHighlight))
2008 ||
2009 // Selected Symbol Occurrences
2010 (is_singleton && scrollbar_settings.selected_symbol && (editor.has_background_highlights(HighlightKey::DocumentHighlightRead) || editor.has_background_highlights(HighlightKey::DocumentHighlightWrite)))
2011 ||
2012 // Diagnostics
2013 (is_singleton && scrollbar_settings.diagnostics != ScrollbarDiagnostics::None && snapshot.buffer_snapshot().has_diagnostics())
2014 ||
2015 // Cursors out of sight
2016 non_visible_cursors
2017 ||
2018 // Scrollmanager
2019 editor.scroll_manager.scrollbars_visible()
2020 }
2021 ShowScrollbar::System => self.editor.read(cx).scroll_manager.scrollbars_visible(),
2022 ShowScrollbar::Always => true,
2023 ShowScrollbar::Never => return None,
2024 };
2025
2026 // The horizontal scrollbar is usually slightly offset to align nicely with
2027 // indent guides. However, this offset is not needed if indent guides are
2028 // disabled for the current editor.
2029 let content_offset = self
2030 .editor
2031 .read(cx)
2032 .show_indent_guides
2033 .is_none_or(|should_show| should_show)
2034 .then_some(content_offset)
2035 .unwrap_or_default();
2036
2037 Some(EditorScrollbars::from_scrollbar_axes(
2038 ScrollbarAxes {
2039 horizontal: scrollbar_settings.axes.horizontal
2040 && self.editor.read(cx).show_scrollbars.horizontal,
2041 vertical: scrollbar_settings.axes.vertical
2042 && self.editor.read(cx).show_scrollbars.vertical,
2043 },
2044 scrollbar_layout_information,
2045 content_offset,
2046 scroll_position,
2047 self.style.scrollbar_width,
2048 right_margin,
2049 editor_width,
2050 show_scrollbars,
2051 self.editor.read(cx).scroll_manager.active_scrollbar_state(),
2052 window,
2053 ))
2054 }
2055
2056 fn layout_minimap(
2057 &self,
2058 snapshot: &EditorSnapshot,
2059 minimap_width: Pixels,
2060 scroll_position: gpui::Point<f64>,
2061 scrollbar_layout_information: &ScrollbarLayoutInformation,
2062 scrollbar_layout: Option<&EditorScrollbars>,
2063 window: &mut Window,
2064 cx: &mut App,
2065 ) -> Option<MinimapLayout> {
2066 let minimap_editor = self.editor.read(cx).minimap().cloned()?;
2067
2068 let minimap_settings = EditorSettings::get_global(cx).minimap;
2069
2070 if minimap_settings.on_active_editor() {
2071 let active_editor = self.editor.read(cx).workspace().and_then(|ws| {
2072 ws.read(cx)
2073 .active_pane()
2074 .read(cx)
2075 .active_item()
2076 .and_then(|i| i.act_as::<Editor>(cx))
2077 });
2078 if active_editor.is_some_and(|e| e != self.editor) {
2079 return None;
2080 }
2081 }
2082
2083 if !snapshot.mode.is_full()
2084 || minimap_width.is_zero()
2085 || matches!(
2086 minimap_settings.show,
2087 ShowMinimap::Auto if scrollbar_layout.is_none_or(|layout| !layout.visible)
2088 )
2089 {
2090 return None;
2091 }
2092
2093 const MINIMAP_AXIS: ScrollbarAxis = ScrollbarAxis::Vertical;
2094
2095 let ScrollbarLayoutInformation {
2096 editor_bounds,
2097 scroll_range,
2098 glyph_grid_cell,
2099 } = scrollbar_layout_information;
2100
2101 let line_height = glyph_grid_cell.height;
2102 let scroll_position = scroll_position.along(MINIMAP_AXIS);
2103
2104 let top_right_anchor = scrollbar_layout
2105 .and_then(|layout| layout.vertical.as_ref())
2106 .map(|vertical_scrollbar| vertical_scrollbar.hitbox.origin)
2107 .unwrap_or_else(|| editor_bounds.top_right());
2108
2109 let thumb_state = self
2110 .editor
2111 .read_with(cx, |editor, _| editor.scroll_manager.minimap_thumb_state());
2112
2113 let show_thumb = match minimap_settings.thumb {
2114 MinimapThumb::Always => true,
2115 MinimapThumb::Hover => thumb_state.is_some(),
2116 };
2117
2118 let minimap_bounds = Bounds::from_corner_and_size(
2119 Corner::TopRight,
2120 top_right_anchor,
2121 size(minimap_width, editor_bounds.size.height),
2122 );
2123 let minimap_line_height = self.get_minimap_line_height(
2124 minimap_editor
2125 .read(cx)
2126 .text_style_refinement
2127 .as_ref()
2128 .and_then(|refinement| refinement.font_size)
2129 .unwrap_or(MINIMAP_FONT_SIZE),
2130 window,
2131 cx,
2132 );
2133 let minimap_height = minimap_bounds.size.height;
2134
2135 let visible_editor_lines = (editor_bounds.size.height / line_height) as f64;
2136 let total_editor_lines = (scroll_range.height / line_height) as f64;
2137 let minimap_lines = (minimap_height / minimap_line_height) as f64;
2138
2139 let minimap_scroll_top = MinimapLayout::calculate_minimap_top_offset(
2140 total_editor_lines,
2141 visible_editor_lines,
2142 minimap_lines,
2143 scroll_position,
2144 );
2145
2146 let layout = ScrollbarLayout::for_minimap(
2147 window.insert_hitbox(minimap_bounds, HitboxBehavior::Normal),
2148 visible_editor_lines,
2149 total_editor_lines,
2150 minimap_line_height,
2151 scroll_position,
2152 minimap_scroll_top,
2153 show_thumb,
2154 )
2155 .with_thumb_state(thumb_state);
2156
2157 minimap_editor.update(cx, |editor, cx| {
2158 editor.set_scroll_position(point(0., minimap_scroll_top), window, cx)
2159 });
2160
2161 // Required for the drop shadow to be visible
2162 const PADDING_OFFSET: Pixels = px(4.);
2163
2164 let mut minimap = div()
2165 .size_full()
2166 .shadow_xs()
2167 .px(PADDING_OFFSET)
2168 .child(minimap_editor)
2169 .into_any_element();
2170
2171 let extended_bounds = minimap_bounds.extend(Edges {
2172 right: PADDING_OFFSET,
2173 left: PADDING_OFFSET,
2174 ..Default::default()
2175 });
2176 minimap.layout_as_root(extended_bounds.size.into(), window, cx);
2177 window.with_absolute_element_offset(extended_bounds.origin, |window| {
2178 minimap.prepaint(window, cx)
2179 });
2180
2181 Some(MinimapLayout {
2182 minimap,
2183 thumb_layout: layout,
2184 thumb_border_style: minimap_settings.thumb_border,
2185 minimap_line_height,
2186 minimap_scroll_top,
2187 max_scroll_top: total_editor_lines,
2188 })
2189 }
2190
2191 fn get_minimap_line_height(
2192 &self,
2193 font_size: AbsoluteLength,
2194 window: &mut Window,
2195 cx: &mut App,
2196 ) -> Pixels {
2197 let rem_size = self.rem_size(cx).unwrap_or(window.rem_size());
2198 let mut text_style = self.style.text.clone();
2199 text_style.font_size = font_size;
2200 text_style.line_height_in_pixels(rem_size)
2201 }
2202
2203 fn get_minimap_width(
2204 &self,
2205 minimap_settings: &Minimap,
2206 scrollbars_shown: bool,
2207 text_width: Pixels,
2208 em_width: Pixels,
2209 font_size: Pixels,
2210 rem_size: Pixels,
2211 cx: &App,
2212 ) -> Option<Pixels> {
2213 if minimap_settings.show == ShowMinimap::Auto && !scrollbars_shown {
2214 return None;
2215 }
2216
2217 let minimap_font_size = self.editor.read_with(cx, |editor, cx| {
2218 editor.minimap().map(|minimap_editor| {
2219 minimap_editor
2220 .read(cx)
2221 .text_style_refinement
2222 .as_ref()
2223 .and_then(|refinement| refinement.font_size)
2224 .unwrap_or(MINIMAP_FONT_SIZE)
2225 })
2226 })?;
2227
2228 let minimap_em_width = em_width * (minimap_font_size.to_pixels(rem_size) / font_size);
2229
2230 let minimap_width = (text_width * MinimapLayout::MINIMAP_WIDTH_PCT)
2231 .min(minimap_em_width * minimap_settings.max_width_columns.get() as f32);
2232
2233 (minimap_width >= minimap_em_width * MinimapLayout::MINIMAP_MIN_WIDTH_COLUMNS)
2234 .then_some(minimap_width)
2235 }
2236
2237 fn prepaint_crease_toggles(
2238 &self,
2239 crease_toggles: &mut [Option<AnyElement>],
2240 line_height: Pixels,
2241 gutter_dimensions: &GutterDimensions,
2242 gutter_settings: crate::editor_settings::Gutter,
2243 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2244 gutter_hitbox: &Hitbox,
2245 window: &mut Window,
2246 cx: &mut App,
2247 ) {
2248 for (ix, crease_toggle) in crease_toggles.iter_mut().enumerate() {
2249 if let Some(crease_toggle) = crease_toggle {
2250 debug_assert!(gutter_settings.folds);
2251 let available_space = size(
2252 AvailableSpace::MinContent,
2253 AvailableSpace::Definite(line_height * 0.55),
2254 );
2255 let crease_toggle_size = crease_toggle.layout_as_root(available_space, window, cx);
2256
2257 let position = point(
2258 gutter_dimensions.width - gutter_dimensions.right_padding,
2259 ix as f32 * line_height
2260 - (scroll_pixel_position.y % ScrollPixelOffset::from(line_height)).into(),
2261 );
2262 let centering_offset = point(
2263 (gutter_dimensions.fold_area_width() - crease_toggle_size.width) / 2.,
2264 (line_height - crease_toggle_size.height) / 2.,
2265 );
2266 let origin = gutter_hitbox.origin + position + centering_offset;
2267 crease_toggle.prepaint_as_root(origin, available_space, window, cx);
2268 }
2269 }
2270 }
2271
2272 fn prepaint_expand_toggles(
2273 &self,
2274 expand_toggles: &mut [Option<(AnyElement, gpui::Point<Pixels>)>],
2275 window: &mut Window,
2276 cx: &mut App,
2277 ) {
2278 for (expand_toggle, origin) in expand_toggles.iter_mut().flatten() {
2279 let available_space = size(AvailableSpace::MinContent, AvailableSpace::MinContent);
2280 expand_toggle.layout_as_root(available_space, window, cx);
2281 expand_toggle.prepaint_as_root(*origin, available_space, window, cx);
2282 }
2283 }
2284
2285 fn prepaint_crease_trailers(
2286 &self,
2287 trailers: Vec<Option<AnyElement>>,
2288 lines: &[LineWithInvisibles],
2289 line_height: Pixels,
2290 content_origin: gpui::Point<Pixels>,
2291 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2292 em_width: Pixels,
2293 window: &mut Window,
2294 cx: &mut App,
2295 ) -> Vec<Option<CreaseTrailerLayout>> {
2296 trailers
2297 .into_iter()
2298 .enumerate()
2299 .map(|(ix, element)| {
2300 let mut element = element?;
2301 let available_space = size(
2302 AvailableSpace::MinContent,
2303 AvailableSpace::Definite(line_height),
2304 );
2305 let size = element.layout_as_root(available_space, window, cx);
2306
2307 let line = &lines[ix];
2308 let padding = if line.width == Pixels::ZERO {
2309 Pixels::ZERO
2310 } else {
2311 4. * em_width
2312 };
2313 let position = point(
2314 Pixels::from(scroll_pixel_position.x) + line.width + padding,
2315 ix as f32 * line_height
2316 - (scroll_pixel_position.y % ScrollPixelOffset::from(line_height)).into(),
2317 );
2318 let centering_offset = point(px(0.), (line_height - size.height) / 2.);
2319 let origin = content_origin + position + centering_offset;
2320 element.prepaint_as_root(origin, available_space, window, cx);
2321 Some(CreaseTrailerLayout {
2322 element,
2323 bounds: Bounds::new(origin, size),
2324 })
2325 })
2326 .collect()
2327 }
2328
2329 // Folds contained in a hunk are ignored apart from shrinking visual size
2330 // If a fold contains any hunks then that fold line is marked as modified
2331 fn layout_gutter_diff_hunks(
2332 &self,
2333 line_height: Pixels,
2334 gutter_hitbox: &Hitbox,
2335 display_rows: Range<DisplayRow>,
2336 snapshot: &EditorSnapshot,
2337 window: &mut Window,
2338 cx: &mut App,
2339 ) -> Vec<(DisplayDiffHunk, Option<Hitbox>)> {
2340 let folded_buffers = self.editor.read(cx).folded_buffers(cx);
2341 let mut display_hunks = snapshot
2342 .display_diff_hunks_for_rows(display_rows, folded_buffers)
2343 .map(|hunk| (hunk, None))
2344 .collect::<Vec<_>>();
2345 let git_gutter_setting = ProjectSettings::get_global(cx).git.git_gutter;
2346 if let GitGutterSetting::TrackedFiles = git_gutter_setting {
2347 for (hunk, hitbox) in &mut display_hunks {
2348 if matches!(hunk, DisplayDiffHunk::Unfolded { .. }) {
2349 let hunk_bounds =
2350 Self::diff_hunk_bounds(snapshot, line_height, gutter_hitbox.bounds, hunk);
2351 *hitbox = Some(window.insert_hitbox(hunk_bounds, HitboxBehavior::BlockMouse));
2352 }
2353 }
2354 }
2355
2356 display_hunks
2357 }
2358
2359 fn layout_inline_diagnostics(
2360 &self,
2361 line_layouts: &[LineWithInvisibles],
2362 crease_trailers: &[Option<CreaseTrailerLayout>],
2363 row_block_types: &HashMap<DisplayRow, bool>,
2364 content_origin: gpui::Point<Pixels>,
2365 scroll_position: gpui::Point<ScrollOffset>,
2366 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2367 edit_prediction_popover_origin: Option<gpui::Point<Pixels>>,
2368 start_row: DisplayRow,
2369 end_row: DisplayRow,
2370 line_height: Pixels,
2371 em_width: Pixels,
2372 style: &EditorStyle,
2373 window: &mut Window,
2374 cx: &mut App,
2375 ) -> HashMap<DisplayRow, AnyElement> {
2376 let max_severity = match self
2377 .editor
2378 .read(cx)
2379 .inline_diagnostics_enabled()
2380 .then(|| {
2381 ProjectSettings::get_global(cx)
2382 .diagnostics
2383 .inline
2384 .max_severity
2385 .unwrap_or_else(|| self.editor.read(cx).diagnostics_max_severity)
2386 .into_lsp()
2387 })
2388 .flatten()
2389 {
2390 Some(max_severity) => max_severity,
2391 None => return HashMap::default(),
2392 };
2393
2394 let active_diagnostics_group =
2395 if let ActiveDiagnostic::Group(group) = &self.editor.read(cx).active_diagnostics {
2396 Some(group.group_id)
2397 } else {
2398 None
2399 };
2400
2401 let diagnostics_by_rows = self.editor.update(cx, |editor, cx| {
2402 let snapshot = editor.snapshot(window, cx);
2403 editor
2404 .inline_diagnostics
2405 .iter()
2406 .filter(|(_, diagnostic)| diagnostic.severity <= max_severity)
2407 .filter(|(_, diagnostic)| match active_diagnostics_group {
2408 Some(active_diagnostics_group) => {
2409 // Active diagnostics are all shown in the editor already, no need to display them inline
2410 diagnostic.group_id != active_diagnostics_group
2411 }
2412 None => true,
2413 })
2414 .map(|(point, diag)| (point.to_display_point(&snapshot), diag.clone()))
2415 .skip_while(|(point, _)| point.row() < start_row)
2416 .take_while(|(point, _)| point.row() < end_row)
2417 .filter(|(point, _)| !row_block_types.contains_key(&point.row()))
2418 .fold(HashMap::default(), |mut acc, (point, diagnostic)| {
2419 acc.entry(point.row())
2420 .or_insert_with(Vec::new)
2421 .push(diagnostic);
2422 acc
2423 })
2424 });
2425
2426 if diagnostics_by_rows.is_empty() {
2427 return HashMap::default();
2428 }
2429
2430 let severity_to_color = |sev: &lsp::DiagnosticSeverity| match sev {
2431 &lsp::DiagnosticSeverity::ERROR => Color::Error,
2432 &lsp::DiagnosticSeverity::WARNING => Color::Warning,
2433 &lsp::DiagnosticSeverity::INFORMATION => Color::Info,
2434 &lsp::DiagnosticSeverity::HINT => Color::Hint,
2435 _ => Color::Error,
2436 };
2437
2438 let padding = ProjectSettings::get_global(cx).diagnostics.inline.padding as f32 * em_width;
2439 let min_x = column_pixels(
2440 &self.style,
2441 ProjectSettings::get_global(cx)
2442 .diagnostics
2443 .inline
2444 .min_column as usize,
2445 window,
2446 );
2447
2448 let mut elements = HashMap::default();
2449 for (row, mut diagnostics) in diagnostics_by_rows {
2450 diagnostics.sort_by_key(|diagnostic| {
2451 (
2452 diagnostic.severity,
2453 std::cmp::Reverse(diagnostic.is_primary),
2454 diagnostic.start.row,
2455 diagnostic.start.column,
2456 )
2457 });
2458
2459 let Some(diagnostic_to_render) = diagnostics
2460 .iter()
2461 .find(|diagnostic| diagnostic.is_primary)
2462 .or_else(|| diagnostics.first())
2463 else {
2464 continue;
2465 };
2466
2467 let pos_y = content_origin.y + line_height * (row.0 as f64 - scroll_position.y) as f32;
2468
2469 let window_ix = row.0.saturating_sub(start_row.0) as usize;
2470 let pos_x = {
2471 let crease_trailer_layout = &crease_trailers[window_ix];
2472 let line_layout = &line_layouts[window_ix];
2473
2474 let line_end = if let Some(crease_trailer) = crease_trailer_layout {
2475 crease_trailer.bounds.right()
2476 } else {
2477 Pixels::from(
2478 ScrollPixelOffset::from(content_origin.x + line_layout.width)
2479 - scroll_pixel_position.x,
2480 )
2481 };
2482
2483 let padded_line = line_end + padding;
2484 let min_start = Pixels::from(
2485 ScrollPixelOffset::from(content_origin.x + min_x) - scroll_pixel_position.x,
2486 );
2487
2488 cmp::max(padded_line, min_start)
2489 };
2490
2491 let behind_edit_prediction_popover = edit_prediction_popover_origin
2492 .as_ref()
2493 .is_some_and(|edit_prediction_popover_origin| {
2494 (pos_y..pos_y + line_height).contains(&edit_prediction_popover_origin.y)
2495 });
2496 let opacity = if behind_edit_prediction_popover {
2497 0.5
2498 } else {
2499 1.0
2500 };
2501
2502 let mut element = h_flex()
2503 .id(("diagnostic", row.0))
2504 .h(line_height)
2505 .w_full()
2506 .px_1()
2507 .rounded_xs()
2508 .opacity(opacity)
2509 .bg(severity_to_color(&diagnostic_to_render.severity)
2510 .color(cx)
2511 .opacity(0.05))
2512 .text_color(severity_to_color(&diagnostic_to_render.severity).color(cx))
2513 .text_sm()
2514 .font(style.text.font())
2515 .child(diagnostic_to_render.message.clone())
2516 .into_any();
2517
2518 element.prepaint_as_root(point(pos_x, pos_y), AvailableSpace::min_size(), window, cx);
2519
2520 elements.insert(row, element);
2521 }
2522
2523 elements
2524 }
2525
2526 fn layout_inline_code_actions(
2527 &self,
2528 display_point: DisplayPoint,
2529 content_origin: gpui::Point<Pixels>,
2530 scroll_position: gpui::Point<ScrollOffset>,
2531 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2532 line_height: Pixels,
2533 snapshot: &EditorSnapshot,
2534 window: &mut Window,
2535 cx: &mut App,
2536 ) -> Option<AnyElement> {
2537 // Don't show code actions in split diff view
2538 if self.split_side.is_some() {
2539 return None;
2540 }
2541
2542 if !snapshot
2543 .show_code_actions
2544 .unwrap_or(EditorSettings::get_global(cx).inline_code_actions)
2545 {
2546 return None;
2547 }
2548
2549 let icon_size = ui::IconSize::XSmall;
2550 let mut button = self.editor.update(cx, |editor, cx| {
2551 editor.available_code_actions.as_ref()?;
2552 let active = editor
2553 .context_menu
2554 .borrow()
2555 .as_ref()
2556 .and_then(|menu| {
2557 if let crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2558 deployed_from,
2559 ..
2560 }) = menu
2561 {
2562 deployed_from.as_ref()
2563 } else {
2564 None
2565 }
2566 })
2567 .is_some_and(|source| matches!(source, CodeActionSource::Indicator(..)));
2568 Some(editor.render_inline_code_actions(icon_size, display_point.row(), active, cx))
2569 })?;
2570
2571 let buffer_point = display_point.to_point(&snapshot.display_snapshot);
2572
2573 // do not show code action for folded line
2574 if snapshot.is_line_folded(MultiBufferRow(buffer_point.row)) {
2575 return None;
2576 }
2577
2578 // do not show code action for blank line with cursor
2579 let line_indent = snapshot
2580 .display_snapshot
2581 .buffer_snapshot()
2582 .line_indent_for_row(MultiBufferRow(buffer_point.row));
2583 if line_indent.is_line_blank() {
2584 return None;
2585 }
2586
2587 const INLINE_SLOT_CHAR_LIMIT: u32 = 4;
2588 const MAX_ALTERNATE_DISTANCE: u32 = 8;
2589
2590 let excerpt_id = snapshot
2591 .display_snapshot
2592 .buffer_snapshot()
2593 .excerpt_containing(buffer_point..buffer_point)
2594 .map(|excerpt| excerpt.id());
2595
2596 let is_valid_row = |row_candidate: u32| -> bool {
2597 // move to other row if folded row
2598 if snapshot.is_line_folded(MultiBufferRow(row_candidate)) {
2599 return false;
2600 }
2601 if buffer_point.row == row_candidate {
2602 // move to other row if cursor is in slot
2603 if buffer_point.column < INLINE_SLOT_CHAR_LIMIT {
2604 return false;
2605 }
2606 } else {
2607 let candidate_point = MultiBufferPoint {
2608 row: row_candidate,
2609 column: 0,
2610 };
2611 let candidate_excerpt_id = snapshot
2612 .display_snapshot
2613 .buffer_snapshot()
2614 .excerpt_containing(candidate_point..candidate_point)
2615 .map(|excerpt| excerpt.id());
2616 // move to other row if different excerpt
2617 if excerpt_id != candidate_excerpt_id {
2618 return false;
2619 }
2620 }
2621 let line_indent = snapshot
2622 .display_snapshot
2623 .buffer_snapshot()
2624 .line_indent_for_row(MultiBufferRow(row_candidate));
2625 // use this row if it's blank
2626 if line_indent.is_line_blank() {
2627 true
2628 } else {
2629 // use this row if code starts after slot
2630 let indent_size = snapshot
2631 .display_snapshot
2632 .buffer_snapshot()
2633 .indent_size_for_line(MultiBufferRow(row_candidate));
2634 indent_size.len >= INLINE_SLOT_CHAR_LIMIT
2635 }
2636 };
2637
2638 let new_buffer_row = if is_valid_row(buffer_point.row) {
2639 Some(buffer_point.row)
2640 } else {
2641 let max_row = snapshot.display_snapshot.buffer_snapshot().max_point().row;
2642 (1..=MAX_ALTERNATE_DISTANCE).find_map(|offset| {
2643 let row_above = buffer_point.row.saturating_sub(offset);
2644 let row_below = buffer_point.row + offset;
2645 if row_above != buffer_point.row && is_valid_row(row_above) {
2646 Some(row_above)
2647 } else if row_below <= max_row && is_valid_row(row_below) {
2648 Some(row_below)
2649 } else {
2650 None
2651 }
2652 })
2653 }?;
2654
2655 let new_display_row = snapshot
2656 .display_snapshot
2657 .point_to_display_point(
2658 Point {
2659 row: new_buffer_row,
2660 column: buffer_point.column,
2661 },
2662 text::Bias::Left,
2663 )
2664 .row();
2665
2666 let start_y = content_origin.y
2667 + (((new_display_row.as_f64() - scroll_position.y) as f32) * line_height)
2668 + (line_height / 2.0)
2669 - (icon_size.square(window, cx) / 2.);
2670 let start_x = (ScrollPixelOffset::from(content_origin.x) - scroll_pixel_position.x
2671 + ScrollPixelOffset::from(window.rem_size() * 0.1))
2672 .into();
2673
2674 let absolute_offset = gpui::point(start_x, start_y);
2675 button.layout_as_root(gpui::AvailableSpace::min_size(), window, cx);
2676 button.prepaint_as_root(
2677 absolute_offset,
2678 gpui::AvailableSpace::min_size(),
2679 window,
2680 cx,
2681 );
2682 Some(button)
2683 }
2684
2685 fn layout_inline_blame(
2686 &self,
2687 display_row: DisplayRow,
2688 row_info: &RowInfo,
2689 line_layout: &LineWithInvisibles,
2690 crease_trailer: Option<&CreaseTrailerLayout>,
2691 em_width: Pixels,
2692 content_origin: gpui::Point<Pixels>,
2693 scroll_position: gpui::Point<ScrollOffset>,
2694 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2695 line_height: Pixels,
2696 window: &mut Window,
2697 cx: &mut App,
2698 ) -> Option<InlineBlameLayout> {
2699 if !self
2700 .editor
2701 .update(cx, |editor, cx| editor.render_git_blame_inline(window, cx))
2702 {
2703 return None;
2704 }
2705
2706 let editor = self.editor.read(cx);
2707 let blame = editor.blame.clone()?;
2708 let padding = {
2709 const INLINE_ACCEPT_SUGGESTION_EM_WIDTHS: f32 = 14.;
2710
2711 let mut padding = ProjectSettings::get_global(cx).git.inline_blame.padding as f32;
2712
2713 if let Some(edit_prediction) = editor.active_edit_prediction.as_ref()
2714 && let EditPrediction::Edit {
2715 display_mode: EditDisplayMode::TabAccept,
2716 ..
2717 } = &edit_prediction.completion
2718 {
2719 padding += INLINE_ACCEPT_SUGGESTION_EM_WIDTHS
2720 }
2721
2722 padding * em_width
2723 };
2724
2725 let (buffer_id, entry) = blame
2726 .update(cx, |blame, cx| {
2727 blame.blame_for_rows(&[*row_info], cx).next()
2728 })
2729 .flatten()?;
2730
2731 let mut element = render_inline_blame_entry(entry.clone(), &self.style, cx)?;
2732
2733 let start_y =
2734 content_origin.y + line_height * ((display_row.as_f64() - scroll_position.y) as f32);
2735
2736 let start_x = {
2737 let line_end = if let Some(crease_trailer) = crease_trailer {
2738 crease_trailer.bounds.right()
2739 } else {
2740 Pixels::from(
2741 ScrollPixelOffset::from(content_origin.x + line_layout.width)
2742 - scroll_pixel_position.x,
2743 )
2744 };
2745
2746 let padded_line_end = line_end + padding;
2747
2748 let min_column_in_pixels = column_pixels(
2749 &self.style,
2750 ProjectSettings::get_global(cx).git.inline_blame.min_column as usize,
2751 window,
2752 );
2753 let min_start = Pixels::from(
2754 ScrollPixelOffset::from(content_origin.x + min_column_in_pixels)
2755 - scroll_pixel_position.x,
2756 );
2757
2758 cmp::max(padded_line_end, min_start)
2759 };
2760
2761 let absolute_offset = point(start_x, start_y);
2762 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2763 let bounds = Bounds::new(absolute_offset, size);
2764
2765 element.prepaint_as_root(absolute_offset, AvailableSpace::min_size(), window, cx);
2766
2767 Some(InlineBlameLayout {
2768 element,
2769 bounds,
2770 buffer_id,
2771 entry,
2772 })
2773 }
2774
2775 fn layout_blame_popover(
2776 &self,
2777 editor_snapshot: &EditorSnapshot,
2778 text_hitbox: &Hitbox,
2779 line_height: Pixels,
2780 window: &mut Window,
2781 cx: &mut App,
2782 ) {
2783 if !self.editor.read(cx).inline_blame_popover.is_some() {
2784 return;
2785 }
2786
2787 let Some(blame) = self.editor.read(cx).blame.clone() else {
2788 return;
2789 };
2790 let cursor_point = self
2791 .editor
2792 .read(cx)
2793 .selections
2794 .newest::<language::Point>(&editor_snapshot.display_snapshot)
2795 .head();
2796
2797 let Some((buffer, buffer_point, _)) = editor_snapshot
2798 .buffer_snapshot()
2799 .point_to_buffer_point(cursor_point)
2800 else {
2801 return;
2802 };
2803
2804 let row_info = RowInfo {
2805 buffer_id: Some(buffer.remote_id()),
2806 buffer_row: Some(buffer_point.row),
2807 ..Default::default()
2808 };
2809
2810 let Some((buffer_id, blame_entry)) = blame
2811 .update(cx, |blame, cx| blame.blame_for_rows(&[row_info], cx).next())
2812 .flatten()
2813 else {
2814 return;
2815 };
2816
2817 let Some((popover_state, target_point)) = self.editor.read_with(cx, |editor, _| {
2818 editor
2819 .inline_blame_popover
2820 .as_ref()
2821 .map(|state| (state.popover_state.clone(), state.position))
2822 }) else {
2823 return;
2824 };
2825
2826 let workspace = self
2827 .editor
2828 .read_with(cx, |editor, _| editor.workspace().map(|w| w.downgrade()));
2829
2830 let maybe_element = workspace.and_then(|workspace| {
2831 render_blame_entry_popover(
2832 blame_entry,
2833 popover_state.scroll_handle,
2834 popover_state.commit_message,
2835 popover_state.markdown,
2836 workspace,
2837 &blame,
2838 buffer_id,
2839 window,
2840 cx,
2841 )
2842 });
2843
2844 if let Some(mut element) = maybe_element {
2845 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2846 let overall_height = size.height + HOVER_POPOVER_GAP;
2847 let popover_origin = if target_point.y > overall_height {
2848 point(target_point.x, target_point.y - size.height)
2849 } else {
2850 point(
2851 target_point.x,
2852 target_point.y + line_height + HOVER_POPOVER_GAP,
2853 )
2854 };
2855
2856 let horizontal_offset = (text_hitbox.top_right().x
2857 - POPOVER_RIGHT_OFFSET
2858 - (popover_origin.x + size.width))
2859 .min(Pixels::ZERO);
2860
2861 let origin = point(popover_origin.x + horizontal_offset, popover_origin.y);
2862 let popover_bounds = Bounds::new(origin, size);
2863
2864 self.editor.update(cx, |editor, _| {
2865 if let Some(state) = &mut editor.inline_blame_popover {
2866 state.popover_bounds = Some(popover_bounds);
2867 }
2868 });
2869
2870 window.defer_draw(element, origin, 2, None);
2871 }
2872 }
2873
2874 fn layout_blame_entries(
2875 &self,
2876 buffer_rows: &[RowInfo],
2877 em_width: Pixels,
2878 scroll_position: gpui::Point<ScrollOffset>,
2879 line_height: Pixels,
2880 gutter_hitbox: &Hitbox,
2881 max_width: Option<Pixels>,
2882 window: &mut Window,
2883 cx: &mut App,
2884 ) -> Option<Vec<AnyElement>> {
2885 if !self
2886 .editor
2887 .update(cx, |editor, cx| editor.render_git_blame_gutter(cx))
2888 {
2889 return None;
2890 }
2891
2892 let blame = self.editor.read(cx).blame.clone()?;
2893 let workspace = self.editor.read(cx).workspace()?;
2894 let blamed_rows: Vec<_> = blame.update(cx, |blame, cx| {
2895 blame.blame_for_rows(buffer_rows, cx).collect()
2896 });
2897
2898 let width = if let Some(max_width) = max_width {
2899 AvailableSpace::Definite(max_width)
2900 } else {
2901 AvailableSpace::MaxContent
2902 };
2903 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
2904 let start_x = em_width;
2905
2906 let mut last_used_color: Option<(Hsla, Oid)> = None;
2907 let blame_renderer = cx.global::<GlobalBlameRenderer>().0.clone();
2908
2909 let shaped_lines = blamed_rows
2910 .into_iter()
2911 .enumerate()
2912 .flat_map(|(ix, blame_entry)| {
2913 let (buffer_id, blame_entry) = blame_entry?;
2914 let mut element = render_blame_entry(
2915 ix,
2916 &blame,
2917 blame_entry,
2918 &self.style,
2919 &mut last_used_color,
2920 self.editor.clone(),
2921 workspace.clone(),
2922 buffer_id,
2923 &*blame_renderer,
2924 window,
2925 cx,
2926 )?;
2927
2928 let start_y = ix as f32 * line_height
2929 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height));
2930 let absolute_offset = gutter_hitbox.origin + point(start_x, start_y);
2931
2932 element.prepaint_as_root(
2933 absolute_offset,
2934 size(width, AvailableSpace::MinContent),
2935 window,
2936 cx,
2937 );
2938
2939 Some(element)
2940 })
2941 .collect();
2942
2943 Some(shaped_lines)
2944 }
2945
2946 fn layout_indent_guides(
2947 &self,
2948 content_origin: gpui::Point<Pixels>,
2949 text_origin: gpui::Point<Pixels>,
2950 visible_buffer_range: Range<MultiBufferRow>,
2951 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2952 line_height: Pixels,
2953 snapshot: &DisplaySnapshot,
2954 window: &mut Window,
2955 cx: &mut App,
2956 ) -> Option<Vec<IndentGuideLayout>> {
2957 let indent_guides = self.editor.update(cx, |editor, cx| {
2958 editor.indent_guides(visible_buffer_range, snapshot, cx)
2959 })?;
2960
2961 let active_indent_guide_indices = self.editor.update(cx, |editor, cx| {
2962 editor
2963 .find_active_indent_guide_indices(&indent_guides, snapshot, window, cx)
2964 .unwrap_or_default()
2965 });
2966
2967 Some(
2968 indent_guides
2969 .into_iter()
2970 .enumerate()
2971 .filter_map(|(i, indent_guide)| {
2972 let single_indent_width =
2973 column_pixels(&self.style, indent_guide.tab_size as usize, window);
2974 let total_width = single_indent_width * indent_guide.depth as f32;
2975 let start_x = Pixels::from(
2976 ScrollOffset::from(content_origin.x + total_width)
2977 - scroll_pixel_position.x,
2978 );
2979 if start_x >= text_origin.x {
2980 let (offset_y, length, display_row_range) =
2981 Self::calculate_indent_guide_bounds(
2982 indent_guide.start_row..indent_guide.end_row,
2983 line_height,
2984 snapshot,
2985 );
2986
2987 let start_y = Pixels::from(
2988 ScrollOffset::from(content_origin.y) + offset_y
2989 - scroll_pixel_position.y,
2990 );
2991
2992 Some(IndentGuideLayout {
2993 origin: point(start_x, start_y),
2994 length,
2995 single_indent_width,
2996 display_row_range,
2997 depth: indent_guide.depth,
2998 active: active_indent_guide_indices.contains(&i),
2999 settings: indent_guide.settings,
3000 })
3001 } else {
3002 None
3003 }
3004 })
3005 .collect(),
3006 )
3007 }
3008
3009 fn depth_zero_indent_guide_padding_for_row(
3010 indent_guides: &[IndentGuideLayout],
3011 row: DisplayRow,
3012 ) -> Pixels {
3013 indent_guides
3014 .iter()
3015 .find(|guide| guide.depth == 0 && guide.display_row_range.contains(&row))
3016 .and_then(|guide| {
3017 guide
3018 .settings
3019 .visible_line_width(guide.active)
3020 .map(|width| px(width as f32 * 2.0))
3021 })
3022 .unwrap_or(px(0.0))
3023 }
3024
3025 fn layout_wrap_guides(
3026 &self,
3027 em_advance: Pixels,
3028 scroll_position: gpui::Point<f64>,
3029 content_origin: gpui::Point<Pixels>,
3030 scrollbar_layout: Option<&EditorScrollbars>,
3031 vertical_scrollbar_width: Pixels,
3032 hitbox: &Hitbox,
3033 window: &Window,
3034 cx: &App,
3035 ) -> SmallVec<[(Pixels, bool); 2]> {
3036 let scroll_left = scroll_position.x as f32 * em_advance;
3037 let content_origin = content_origin.x;
3038 let horizontal_offset = content_origin - scroll_left;
3039 let vertical_scrollbar_width = scrollbar_layout
3040 .and_then(|layout| layout.visible.then_some(vertical_scrollbar_width))
3041 .unwrap_or_default();
3042
3043 self.editor
3044 .read(cx)
3045 .wrap_guides(cx)
3046 .into_iter()
3047 .flat_map(|(guide, active)| {
3048 let wrap_position = column_pixels(&self.style, guide, window);
3049 let wrap_guide_x = wrap_position + horizontal_offset;
3050 let display_wrap_guide = wrap_guide_x >= content_origin
3051 && wrap_guide_x <= hitbox.bounds.right() - vertical_scrollbar_width;
3052
3053 display_wrap_guide.then_some((wrap_guide_x, active))
3054 })
3055 .collect()
3056 }
3057
3058 fn calculate_indent_guide_bounds(
3059 row_range: Range<MultiBufferRow>,
3060 line_height: Pixels,
3061 snapshot: &DisplaySnapshot,
3062 ) -> (f64, gpui::Pixels, Range<DisplayRow>) {
3063 let start_point = Point::new(row_range.start.0, 0);
3064 let end_point = Point::new(row_range.end.0, 0);
3065
3066 let mut row_range = start_point.to_display_point(snapshot).row()
3067 ..end_point.to_display_point(snapshot).row();
3068
3069 let mut prev_line = start_point;
3070 prev_line.row = prev_line.row.saturating_sub(1);
3071 let prev_line = prev_line.to_display_point(snapshot).row();
3072
3073 let mut cons_line = end_point;
3074 cons_line.row += 1;
3075 let cons_line = cons_line.to_display_point(snapshot).row();
3076
3077 let mut offset_y = row_range.start.as_f64() * f64::from(line_height);
3078 let mut length = (cons_line.0.saturating_sub(row_range.start.0)) as f32 * line_height;
3079
3080 // If we are at the end of the buffer, ensure that the indent guide extends to the end of the line.
3081 if row_range.end == cons_line {
3082 length += line_height;
3083 }
3084
3085 // If there is a block (e.g. diagnostic) in between the start of the indent guide and the line above,
3086 // we want to extend the indent guide to the start of the block.
3087 let mut block_height = 0;
3088 let mut block_offset = 0;
3089 let mut found_excerpt_header = false;
3090 for (_, block) in snapshot.blocks_in_range(prev_line..row_range.start) {
3091 if matches!(
3092 block,
3093 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
3094 ) {
3095 found_excerpt_header = true;
3096 break;
3097 }
3098 block_offset += block.height();
3099 block_height += block.height();
3100 }
3101 if !found_excerpt_header {
3102 offset_y -= block_offset as f64 * f64::from(line_height);
3103 length += block_height as f32 * line_height;
3104 row_range = DisplayRow(row_range.start.0.saturating_sub(block_offset))..row_range.end;
3105 }
3106
3107 // If there is a block (e.g. diagnostic) at the end of an multibuffer excerpt,
3108 // we want to ensure that the indent guide stops before the excerpt header.
3109 let mut block_height = 0;
3110 let mut found_excerpt_header = false;
3111 for (_, block) in snapshot.blocks_in_range(row_range.end..cons_line) {
3112 if matches!(
3113 block,
3114 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
3115 ) {
3116 found_excerpt_header = true;
3117 }
3118 block_height += block.height();
3119 }
3120 if found_excerpt_header {
3121 length -= block_height as f32 * line_height;
3122 } else {
3123 row_range = row_range.start..cons_line;
3124 }
3125
3126 (offset_y, length, row_range)
3127 }
3128
3129 fn layout_breakpoints(
3130 &self,
3131 line_height: Pixels,
3132 range: Range<DisplayRow>,
3133 scroll_position: gpui::Point<ScrollOffset>,
3134 gutter_dimensions: &GutterDimensions,
3135 gutter_hitbox: &Hitbox,
3136 snapshot: &EditorSnapshot,
3137 breakpoints: HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
3138 row_infos: &[RowInfo],
3139 window: &mut Window,
3140 cx: &mut App,
3141 ) -> Vec<AnyElement> {
3142 if self.split_side == Some(SplitSide::Left) {
3143 return Vec::new();
3144 }
3145
3146 self.editor.update(cx, |editor, cx| {
3147 breakpoints
3148 .into_iter()
3149 .filter_map(|(display_row, (text_anchor, bp, state))| {
3150 if row_infos
3151 .get((display_row.0.saturating_sub(range.start.0)) as usize)
3152 .is_some_and(|row_info| {
3153 row_info.expand_info.is_some()
3154 || row_info
3155 .diff_status
3156 .is_some_and(|status| status.is_deleted())
3157 })
3158 {
3159 return None;
3160 }
3161
3162 if range.start > display_row || range.end < display_row {
3163 return None;
3164 }
3165
3166 let row =
3167 MultiBufferRow(DisplayPoint::new(display_row, 0).to_point(snapshot).row);
3168 if snapshot.is_line_folded(row) {
3169 return None;
3170 }
3171
3172 let button = editor.render_breakpoint(text_anchor, display_row, &bp, state, cx);
3173
3174 let button = prepaint_gutter_button(
3175 button.into_any_element(),
3176 display_row,
3177 line_height,
3178 gutter_dimensions,
3179 scroll_position,
3180 gutter_hitbox,
3181 window,
3182 cx,
3183 );
3184 Some(button)
3185 })
3186 .collect_vec()
3187 })
3188 }
3189
3190 fn should_render_diff_review_button(
3191 &self,
3192 range: Range<DisplayRow>,
3193 row_infos: &[RowInfo],
3194 snapshot: &EditorSnapshot,
3195 cx: &App,
3196 ) -> Option<(DisplayRow, Option<u32>)> {
3197 if !cx.has_flag::<DiffReviewFeatureFlag>() {
3198 return None;
3199 }
3200
3201 let show_diff_review_button = self.editor.read(cx).show_diff_review_button();
3202 if !show_diff_review_button {
3203 return None;
3204 }
3205
3206 let indicator = self.editor.read(cx).gutter_diff_review_indicator.0?;
3207 if !indicator.is_active {
3208 return None;
3209 }
3210
3211 let display_row = indicator
3212 .start
3213 .to_display_point(&snapshot.display_snapshot)
3214 .row();
3215 let row_index = (display_row.0.saturating_sub(range.start.0)) as usize;
3216
3217 let row_info = row_infos.get(row_index);
3218 if row_info.is_some_and(|row_info| row_info.expand_info.is_some()) {
3219 return None;
3220 }
3221
3222 let buffer_id = row_info.and_then(|info| info.buffer_id);
3223 if buffer_id.is_none() {
3224 return None;
3225 }
3226
3227 let editor = self.editor.read(cx);
3228 if buffer_id.is_some_and(|buffer_id| editor.is_buffer_folded(buffer_id, cx)) {
3229 return None;
3230 }
3231
3232 let buffer_row = row_info.and_then(|info| info.buffer_row);
3233 Some((display_row, buffer_row))
3234 }
3235
3236 #[allow(clippy::too_many_arguments)]
3237 fn layout_run_indicators(
3238 &self,
3239 line_height: Pixels,
3240 range: Range<DisplayRow>,
3241 row_infos: &[RowInfo],
3242 scroll_position: gpui::Point<ScrollOffset>,
3243 gutter_dimensions: &GutterDimensions,
3244 gutter_hitbox: &Hitbox,
3245 snapshot: &EditorSnapshot,
3246 breakpoints: &mut HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
3247 window: &mut Window,
3248 cx: &mut App,
3249 ) -> Vec<AnyElement> {
3250 if self.split_side == Some(SplitSide::Left) {
3251 return Vec::new();
3252 }
3253
3254 self.editor.update(cx, |editor, cx| {
3255 let active_task_indicator_row =
3256 // TODO: add edit button on the right side of each row in the context menu
3257 if let Some(crate::CodeContextMenu::CodeActions(CodeActionsMenu {
3258 deployed_from,
3259 actions,
3260 ..
3261 })) = editor.context_menu.borrow().as_ref()
3262 {
3263 actions
3264 .tasks()
3265 .map(|tasks| tasks.position.to_display_point(snapshot).row())
3266 .or_else(|| match deployed_from {
3267 Some(CodeActionSource::Indicator(row)) => Some(*row),
3268 _ => None,
3269 })
3270 } else {
3271 None
3272 };
3273
3274 let offset_range_start =
3275 snapshot.display_point_to_point(DisplayPoint::new(range.start, 0), Bias::Left);
3276
3277 let offset_range_end =
3278 snapshot.display_point_to_point(DisplayPoint::new(range.end, 0), Bias::Right);
3279
3280 editor
3281 .runnables
3282 .all_runnables()
3283 .filter_map(|tasks| {
3284 let multibuffer_point = tasks.offset.to_point(&snapshot.buffer_snapshot());
3285 if multibuffer_point < offset_range_start
3286 || multibuffer_point > offset_range_end
3287 {
3288 return None;
3289 }
3290 let multibuffer_row = MultiBufferRow(multibuffer_point.row);
3291 let buffer_folded = snapshot
3292 .buffer_snapshot()
3293 .buffer_line_for_row(multibuffer_row)
3294 .map(|(buffer_snapshot, _)| buffer_snapshot.remote_id())
3295 .map(|buffer_id| editor.is_buffer_folded(buffer_id, cx))
3296 .unwrap_or(false);
3297 if buffer_folded {
3298 return None;
3299 }
3300
3301 if snapshot.is_line_folded(multibuffer_row) {
3302 // Skip folded indicators, unless it's the starting line of a fold.
3303 if multibuffer_row
3304 .0
3305 .checked_sub(1)
3306 .is_some_and(|previous_row| {
3307 snapshot.is_line_folded(MultiBufferRow(previous_row))
3308 })
3309 {
3310 return None;
3311 }
3312 }
3313
3314 let display_row = multibuffer_point.to_display_point(snapshot).row();
3315 if !range.contains(&display_row) {
3316 return None;
3317 }
3318 if row_infos
3319 .get((display_row - range.start).0 as usize)
3320 .is_some_and(|row_info| row_info.expand_info.is_some())
3321 {
3322 return None;
3323 }
3324
3325 let removed_breakpoint = breakpoints.remove(&display_row);
3326 let button = editor.render_run_indicator(
3327 &self.style,
3328 Some(display_row) == active_task_indicator_row,
3329 display_row,
3330 removed_breakpoint,
3331 cx,
3332 );
3333
3334 let button = prepaint_gutter_button(
3335 button.into_any_element(),
3336 display_row,
3337 line_height,
3338 gutter_dimensions,
3339 scroll_position,
3340 gutter_hitbox,
3341 window,
3342 cx,
3343 );
3344 Some(button)
3345 })
3346 .collect_vec()
3347 })
3348 }
3349
3350 fn layout_expand_toggles(
3351 &self,
3352 gutter_hitbox: &Hitbox,
3353 gutter_dimensions: GutterDimensions,
3354 em_width: Pixels,
3355 line_height: Pixels,
3356 scroll_position: gpui::Point<ScrollOffset>,
3357 buffer_rows: &[RowInfo],
3358 window: &mut Window,
3359 cx: &mut App,
3360 ) -> Vec<Option<(AnyElement, gpui::Point<Pixels>)>> {
3361 if self.editor.read(cx).disable_expand_excerpt_buttons {
3362 return vec![];
3363 }
3364
3365 let editor_font_size = self.style.text.font_size.to_pixels(window.rem_size()) * 1.2;
3366
3367 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
3368
3369 let max_line_number_length = self
3370 .editor
3371 .read(cx)
3372 .buffer()
3373 .read(cx)
3374 .snapshot(cx)
3375 .widest_line_number()
3376 .ilog10()
3377 + 1;
3378
3379 let git_gutter_width = Self::gutter_strip_width(line_height)
3380 + gutter_dimensions
3381 .git_blame_entries_width
3382 .unwrap_or_default();
3383 let available_width = gutter_dimensions.left_padding - git_gutter_width;
3384
3385 buffer_rows
3386 .iter()
3387 .enumerate()
3388 .map(|(ix, row_info)| {
3389 let ExpandInfo {
3390 excerpt_id,
3391 direction,
3392 } = row_info.expand_info?;
3393
3394 let icon_name = match direction {
3395 ExpandExcerptDirection::Up => IconName::ExpandUp,
3396 ExpandExcerptDirection::Down => IconName::ExpandDown,
3397 ExpandExcerptDirection::UpAndDown => IconName::ExpandVertical,
3398 };
3399
3400 let editor = self.editor.clone();
3401 let is_wide = max_line_number_length
3402 >= EditorSettings::get_global(cx).gutter.min_line_number_digits as u32
3403 && row_info
3404 .buffer_row
3405 .is_some_and(|row| (row + 1).ilog10() + 1 == max_line_number_length)
3406 || gutter_dimensions.right_padding == px(0.);
3407
3408 let width = if is_wide {
3409 available_width - px(5.)
3410 } else {
3411 available_width + em_width - px(5.)
3412 };
3413
3414 let toggle = IconButton::new(("expand", ix), icon_name)
3415 .icon_color(Color::Custom(cx.theme().colors().editor_line_number))
3416 .icon_size(IconSize::Custom(rems(editor_font_size / window.rem_size())))
3417 .width(width)
3418 .on_click(move |_, window, cx| {
3419 editor.update(cx, |editor, cx| {
3420 editor.expand_excerpt(excerpt_id, direction, window, cx);
3421 });
3422 })
3423 .tooltip(Tooltip::for_action_title(
3424 "Expand Excerpt",
3425 &crate::actions::ExpandExcerpts::default(),
3426 ))
3427 .into_any_element();
3428
3429 let position = point(
3430 git_gutter_width + px(1.),
3431 ix as f32 * line_height
3432 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height))
3433 + px(1.),
3434 );
3435 let origin = gutter_hitbox.origin + position;
3436
3437 Some((toggle, origin))
3438 })
3439 .collect()
3440 }
3441
3442 fn layout_line_numbers(
3443 &self,
3444 gutter_hitbox: Option<&Hitbox>,
3445 gutter_dimensions: GutterDimensions,
3446 line_height: Pixels,
3447 scroll_position: gpui::Point<ScrollOffset>,
3448 rows: Range<DisplayRow>,
3449 buffer_rows: &[RowInfo],
3450 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3451 current_selection_head: Option<DisplayRow>,
3452 snapshot: &EditorSnapshot,
3453 window: &mut Window,
3454 cx: &mut App,
3455 ) -> Arc<HashMap<MultiBufferRow, LineNumberLayout>> {
3456 let include_line_numbers = snapshot
3457 .show_line_numbers
3458 .unwrap_or_else(|| EditorSettings::get_global(cx).gutter.line_numbers);
3459 if !include_line_numbers {
3460 return Arc::default();
3461 }
3462
3463 let relative = self.editor.read(cx).relative_line_numbers(cx);
3464
3465 let relative_line_numbers_enabled = relative.enabled();
3466 let relative_rows = if relative_line_numbers_enabled
3467 && let Some(current_selection_head) = current_selection_head
3468 {
3469 snapshot.calculate_relative_line_numbers(
3470 &rows,
3471 current_selection_head,
3472 relative.wrapped(),
3473 )
3474 } else {
3475 Default::default()
3476 };
3477
3478 let mut line_number = String::new();
3479 let segments = buffer_rows.iter().enumerate().flat_map(|(ix, row_info)| {
3480 let display_row = DisplayRow(rows.start.0 + ix as u32);
3481 line_number.clear();
3482 let non_relative_number = if relative.wrapped() {
3483 row_info.buffer_row.or(row_info.wrapped_buffer_row)? + 1
3484 } else {
3485 row_info.buffer_row? + 1
3486 };
3487 let relative_number = relative_rows.get(&display_row);
3488 if !(relative_line_numbers_enabled && relative_number.is_some())
3489 && !snapshot.number_deleted_lines
3490 && row_info
3491 .diff_status
3492 .is_some_and(|status| status.is_deleted())
3493 {
3494 return None;
3495 }
3496
3497 let number = relative_number.unwrap_or(&non_relative_number);
3498 write!(&mut line_number, "{number}").unwrap();
3499
3500 let color = active_rows
3501 .get(&display_row)
3502 .map(|spec| {
3503 if spec.breakpoint {
3504 cx.theme().colors().debugger_accent
3505 } else {
3506 cx.theme().colors().editor_active_line_number
3507 }
3508 })
3509 .unwrap_or_else(|| cx.theme().colors().editor_line_number);
3510 let shaped_line =
3511 self.shape_line_number(SharedString::from(&line_number), color, window);
3512 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
3513 let line_origin = gutter_hitbox.map(|hitbox| {
3514 hitbox.origin
3515 + point(
3516 hitbox.size.width - shaped_line.width - gutter_dimensions.right_padding,
3517 ix as f32 * line_height
3518 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height)),
3519 )
3520 });
3521
3522 #[cfg(not(test))]
3523 let hitbox = line_origin.map(|line_origin| {
3524 window.insert_hitbox(
3525 Bounds::new(line_origin, size(shaped_line.width, line_height)),
3526 HitboxBehavior::Normal,
3527 )
3528 });
3529 #[cfg(test)]
3530 let hitbox = {
3531 let _ = line_origin;
3532 None
3533 };
3534
3535 let segment = LineNumberSegment {
3536 shaped_line,
3537 hitbox,
3538 };
3539
3540 let buffer_row = DisplayPoint::new(display_row, 0).to_point(snapshot).row;
3541 let multi_buffer_row = MultiBufferRow(buffer_row);
3542
3543 Some((multi_buffer_row, segment))
3544 });
3545
3546 let mut line_numbers: HashMap<MultiBufferRow, LineNumberLayout> = HashMap::default();
3547 for (buffer_row, segment) in segments {
3548 line_numbers
3549 .entry(buffer_row)
3550 .or_insert_with(|| LineNumberLayout {
3551 segments: Default::default(),
3552 })
3553 .segments
3554 .push(segment);
3555 }
3556 Arc::new(line_numbers)
3557 }
3558
3559 fn layout_crease_toggles(
3560 &self,
3561 rows: Range<DisplayRow>,
3562 row_infos: &[RowInfo],
3563 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3564 snapshot: &EditorSnapshot,
3565 window: &mut Window,
3566 cx: &mut App,
3567 ) -> Vec<Option<AnyElement>> {
3568 let include_fold_statuses = EditorSettings::get_global(cx).gutter.folds
3569 && snapshot.mode.is_full()
3570 && self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
3571 if include_fold_statuses {
3572 row_infos
3573 .iter()
3574 .enumerate()
3575 .map(|(ix, info)| {
3576 if info.expand_info.is_some() {
3577 return None;
3578 }
3579 let row = info.multibuffer_row?;
3580 let display_row = DisplayRow(rows.start.0 + ix as u32);
3581 let active = active_rows.contains_key(&display_row);
3582
3583 snapshot.render_crease_toggle(row, active, self.editor.clone(), window, cx)
3584 })
3585 .collect()
3586 } else {
3587 Vec::new()
3588 }
3589 }
3590
3591 fn layout_crease_trailers(
3592 &self,
3593 buffer_rows: impl IntoIterator<Item = RowInfo>,
3594 snapshot: &EditorSnapshot,
3595 window: &mut Window,
3596 cx: &mut App,
3597 ) -> Vec<Option<AnyElement>> {
3598 buffer_rows
3599 .into_iter()
3600 .map(|row_info| {
3601 if row_info.expand_info.is_some() {
3602 return None;
3603 }
3604 if let Some(row) = row_info.multibuffer_row {
3605 snapshot.render_crease_trailer(row, window, cx)
3606 } else {
3607 None
3608 }
3609 })
3610 .collect()
3611 }
3612
3613 fn bg_segments_per_row(
3614 rows: Range<DisplayRow>,
3615 selections: &[(PlayerColor, Vec<SelectionLayout>)],
3616 highlight_ranges: &[(Range<DisplayPoint>, Hsla)],
3617 base_background: Hsla,
3618 ) -> Vec<Vec<(Range<DisplayPoint>, Hsla)>> {
3619 if rows.start >= rows.end {
3620 return Vec::new();
3621 }
3622 if !base_background.is_opaque() {
3623 // We don't actually know what color is behind this editor.
3624 return Vec::new();
3625 }
3626 let highlight_iter = highlight_ranges.iter().cloned();
3627 let selection_iter = selections.iter().flat_map(|(player_color, layouts)| {
3628 let color = player_color.selection;
3629 layouts.iter().filter_map(move |selection_layout| {
3630 if selection_layout.range.start != selection_layout.range.end {
3631 Some((selection_layout.range.clone(), color))
3632 } else {
3633 None
3634 }
3635 })
3636 });
3637 let mut per_row_map = vec![Vec::new(); rows.len()];
3638 for (range, color) in highlight_iter.chain(selection_iter) {
3639 let covered_rows = if range.end.column() == 0 {
3640 cmp::max(range.start.row(), rows.start)..cmp::min(range.end.row(), rows.end)
3641 } else {
3642 cmp::max(range.start.row(), rows.start)
3643 ..cmp::min(range.end.row().next_row(), rows.end)
3644 };
3645 for row in covered_rows.iter_rows() {
3646 let seg_start = if row == range.start.row() {
3647 range.start
3648 } else {
3649 DisplayPoint::new(row, 0)
3650 };
3651 let seg_end = if row == range.end.row() && range.end.column() != 0 {
3652 range.end
3653 } else {
3654 DisplayPoint::new(row, u32::MAX)
3655 };
3656 let ix = row.minus(rows.start) as usize;
3657 debug_assert!(row >= rows.start && row < rows.end);
3658 debug_assert!(ix < per_row_map.len());
3659 per_row_map[ix].push((seg_start..seg_end, color));
3660 }
3661 }
3662 for row_segments in per_row_map.iter_mut() {
3663 if row_segments.is_empty() {
3664 continue;
3665 }
3666 let segments = mem::take(row_segments);
3667 let merged = Self::merge_overlapping_ranges(segments, base_background);
3668 *row_segments = merged;
3669 }
3670 per_row_map
3671 }
3672
3673 /// Merge overlapping ranges by splitting at all range boundaries and blending colors where
3674 /// multiple ranges overlap. The result contains non-overlapping ranges ordered from left to right.
3675 ///
3676 /// Expects `start.row() == end.row()` for each range.
3677 fn merge_overlapping_ranges(
3678 ranges: Vec<(Range<DisplayPoint>, Hsla)>,
3679 base_background: Hsla,
3680 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
3681 struct Boundary {
3682 pos: DisplayPoint,
3683 is_start: bool,
3684 index: usize,
3685 color: Hsla,
3686 }
3687
3688 let mut boundaries: SmallVec<[Boundary; 16]> = SmallVec::with_capacity(ranges.len() * 2);
3689 for (index, (range, color)) in ranges.iter().enumerate() {
3690 debug_assert!(
3691 range.start.row() == range.end.row(),
3692 "expects single-row ranges"
3693 );
3694 if range.start < range.end {
3695 boundaries.push(Boundary {
3696 pos: range.start,
3697 is_start: true,
3698 index,
3699 color: *color,
3700 });
3701 boundaries.push(Boundary {
3702 pos: range.end,
3703 is_start: false,
3704 index,
3705 color: *color,
3706 });
3707 }
3708 }
3709
3710 if boundaries.is_empty() {
3711 return Vec::new();
3712 }
3713
3714 boundaries
3715 .sort_unstable_by(|a, b| a.pos.cmp(&b.pos).then_with(|| a.is_start.cmp(&b.is_start)));
3716
3717 let mut processed_ranges: Vec<(Range<DisplayPoint>, Hsla)> = Vec::new();
3718 let mut active_ranges: SmallVec<[(usize, Hsla); 8]> = SmallVec::new();
3719
3720 let mut i = 0;
3721 let mut start_pos = boundaries[0].pos;
3722
3723 let boundaries_len = boundaries.len();
3724 while i < boundaries_len {
3725 let current_boundary_pos = boundaries[i].pos;
3726 if start_pos < current_boundary_pos {
3727 if !active_ranges.is_empty() {
3728 let mut color = base_background;
3729 for &(_, c) in &active_ranges {
3730 color = Hsla::blend(color, c);
3731 }
3732 if let Some((last_range, last_color)) = processed_ranges.last_mut() {
3733 if *last_color == color && last_range.end == start_pos {
3734 last_range.end = current_boundary_pos;
3735 } else {
3736 processed_ranges.push((start_pos..current_boundary_pos, color));
3737 }
3738 } else {
3739 processed_ranges.push((start_pos..current_boundary_pos, color));
3740 }
3741 }
3742 }
3743 while i < boundaries_len && boundaries[i].pos == current_boundary_pos {
3744 let active_range = &boundaries[i];
3745 if active_range.is_start {
3746 let idx = active_range.index;
3747 let pos = active_ranges
3748 .binary_search_by_key(&idx, |(i, _)| *i)
3749 .unwrap_or_else(|p| p);
3750 active_ranges.insert(pos, (idx, active_range.color));
3751 } else {
3752 let idx = active_range.index;
3753 if let Ok(pos) = active_ranges.binary_search_by_key(&idx, |(i, _)| *i) {
3754 active_ranges.remove(pos);
3755 }
3756 }
3757 i += 1;
3758 }
3759 start_pos = current_boundary_pos;
3760 }
3761
3762 processed_ranges
3763 }
3764
3765 fn layout_lines(
3766 rows: Range<DisplayRow>,
3767 snapshot: &EditorSnapshot,
3768 style: &EditorStyle,
3769 editor_width: Pixels,
3770 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3771 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
3772 window: &mut Window,
3773 cx: &mut App,
3774 ) -> Vec<LineWithInvisibles> {
3775 if rows.start >= rows.end {
3776 return Vec::new();
3777 }
3778
3779 // Show the placeholder when the editor is empty
3780 if snapshot.is_empty() {
3781 let font_size = style.text.font_size.to_pixels(window.rem_size());
3782 let placeholder_color = cx.theme().colors().text_placeholder;
3783 let placeholder_text = snapshot.placeholder_text();
3784
3785 let placeholder_lines = placeholder_text
3786 .as_ref()
3787 .map_or(Vec::new(), |text| text.split('\n').collect::<Vec<_>>());
3788
3789 let placeholder_line_count = placeholder_lines.len();
3790
3791 placeholder_lines
3792 .into_iter()
3793 .skip(rows.start.0 as usize)
3794 .chain(iter::repeat(""))
3795 .take(cmp::max(rows.len(), placeholder_line_count))
3796 .map(move |line| {
3797 let run = TextRun {
3798 len: line.len(),
3799 font: style.text.font(),
3800 color: placeholder_color,
3801 ..Default::default()
3802 };
3803 let line = window.text_system().shape_line(
3804 line.to_string().into(),
3805 font_size,
3806 &[run],
3807 None,
3808 );
3809 LineWithInvisibles {
3810 width: line.width,
3811 len: line.len,
3812 fragments: smallvec![LineFragment::Text(line)],
3813 invisibles: Vec::new(),
3814 font_size,
3815 }
3816 })
3817 .collect()
3818 } else {
3819 let use_tree_sitter = !snapshot.semantic_tokens_enabled
3820 || snapshot.use_tree_sitter_for_syntax(rows.start, cx);
3821 let chunks = snapshot.highlighted_chunks(rows.clone(), use_tree_sitter, style);
3822 LineWithInvisibles::from_chunks(
3823 chunks,
3824 style,
3825 MAX_LINE_LEN,
3826 rows.len(),
3827 &snapshot.mode,
3828 editor_width,
3829 is_row_soft_wrapped,
3830 bg_segments_per_row,
3831 window,
3832 cx,
3833 )
3834 }
3835 }
3836
3837 fn prepaint_lines(
3838 &self,
3839 start_row: DisplayRow,
3840 line_layouts: &mut [LineWithInvisibles],
3841 line_height: Pixels,
3842 scroll_position: gpui::Point<ScrollOffset>,
3843 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
3844 content_origin: gpui::Point<Pixels>,
3845 window: &mut Window,
3846 cx: &mut App,
3847 ) -> SmallVec<[AnyElement; 1]> {
3848 let mut line_elements = SmallVec::new();
3849 for (ix, line) in line_layouts.iter_mut().enumerate() {
3850 let row = start_row + DisplayRow(ix as u32);
3851 line.prepaint(
3852 line_height,
3853 scroll_position,
3854 scroll_pixel_position,
3855 row,
3856 content_origin,
3857 &mut line_elements,
3858 window,
3859 cx,
3860 );
3861 }
3862 line_elements
3863 }
3864
3865 fn render_block(
3866 &self,
3867 block: &Block,
3868 available_width: AvailableSpace,
3869 block_id: BlockId,
3870 block_row_start: DisplayRow,
3871 snapshot: &EditorSnapshot,
3872 text_x: Pixels,
3873 rows: &Range<DisplayRow>,
3874 line_layouts: &[LineWithInvisibles],
3875 editor_margins: &EditorMargins,
3876 line_height: Pixels,
3877 em_width: Pixels,
3878 text_hitbox: &Hitbox,
3879 editor_width: Pixels,
3880 scroll_width: &mut Pixels,
3881 resized_blocks: &mut HashMap<CustomBlockId, u32>,
3882 row_block_types: &mut HashMap<DisplayRow, bool>,
3883 selections: &[Selection<Point>],
3884 selected_buffer_ids: &Vec<BufferId>,
3885 latest_selection_anchors: &HashMap<BufferId, Anchor>,
3886 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3887 sticky_header_excerpt_id: Option<ExcerptId>,
3888 indent_guides: &Option<Vec<IndentGuideLayout>>,
3889 block_resize_offset: &mut i32,
3890 window: &mut Window,
3891 cx: &mut App,
3892 ) -> Option<(AnyElement, Size<Pixels>, DisplayRow, Pixels)> {
3893 let mut x_position = None;
3894 let mut element = match block {
3895 Block::Custom(custom) => {
3896 let block_start = custom.start().to_point(&snapshot.buffer_snapshot());
3897 let block_end = custom.end().to_point(&snapshot.buffer_snapshot());
3898 if block.place_near() && snapshot.is_line_folded(MultiBufferRow(block_start.row)) {
3899 return None;
3900 }
3901 let align_to = block_start.to_display_point(snapshot);
3902 let x_and_width = |layout: &LineWithInvisibles| {
3903 Some((
3904 text_x + layout.x_for_index(align_to.column() as usize),
3905 text_x + layout.width,
3906 ))
3907 };
3908 let line_ix = align_to.row().0.checked_sub(rows.start.0);
3909 x_position =
3910 if let Some(layout) = line_ix.and_then(|ix| line_layouts.get(ix as usize)) {
3911 x_and_width(layout)
3912 } else {
3913 x_and_width(&layout_line(
3914 align_to.row(),
3915 snapshot,
3916 &self.style,
3917 editor_width,
3918 is_row_soft_wrapped,
3919 window,
3920 cx,
3921 ))
3922 };
3923
3924 let anchor_x = x_position.unwrap().0;
3925
3926 let selected = selections
3927 .binary_search_by(|selection| {
3928 if selection.end <= block_start {
3929 Ordering::Less
3930 } else if selection.start >= block_end {
3931 Ordering::Greater
3932 } else {
3933 Ordering::Equal
3934 }
3935 })
3936 .is_ok();
3937
3938 div()
3939 .size_full()
3940 .child(
3941 custom.render(&mut BlockContext {
3942 window,
3943 app: cx,
3944 anchor_x,
3945 margins: editor_margins,
3946 line_height,
3947 em_width,
3948 block_id,
3949 height: custom.height.unwrap_or(1),
3950 selected,
3951 max_width: text_hitbox.size.width.max(*scroll_width),
3952 editor_style: &self.style,
3953 indent_guide_padding: indent_guides
3954 .as_ref()
3955 .map(|guides| {
3956 Self::depth_zero_indent_guide_padding_for_row(
3957 guides,
3958 block_row_start,
3959 )
3960 })
3961 .unwrap_or(px(0.0)),
3962 }),
3963 )
3964 .into_any()
3965 }
3966
3967 Block::FoldedBuffer {
3968 first_excerpt,
3969 height,
3970 ..
3971 } => {
3972 let mut result = v_flex().id(block_id).w_full().pr(editor_margins.right);
3973
3974 if self.should_show_buffer_headers() {
3975 let selected = selected_buffer_ids.contains(&first_excerpt.buffer_id);
3976 let jump_data = header_jump_data(
3977 snapshot,
3978 block_row_start,
3979 *height,
3980 first_excerpt,
3981 latest_selection_anchors,
3982 );
3983 result = result.child(self.render_buffer_header(
3984 first_excerpt,
3985 true,
3986 selected,
3987 false,
3988 jump_data,
3989 window,
3990 cx,
3991 ));
3992 } else {
3993 result =
3994 result.child(div().h(FILE_HEADER_HEIGHT as f32 * window.line_height()));
3995 }
3996
3997 result.into_any_element()
3998 }
3999
4000 Block::ExcerptBoundary { .. } => {
4001 let color = cx.theme().colors().clone();
4002 let mut result = v_flex().id(block_id).w_full();
4003
4004 result = result.child(
4005 h_flex().relative().child(
4006 div()
4007 .top(line_height / 2.)
4008 .absolute()
4009 .w_full()
4010 .h_px()
4011 .bg(color.border_variant),
4012 ),
4013 );
4014
4015 result.into_any()
4016 }
4017
4018 Block::BufferHeader { excerpt, height } => {
4019 let mut result = v_flex().id(block_id).w_full();
4020
4021 if self.should_show_buffer_headers() {
4022 let jump_data = header_jump_data(
4023 snapshot,
4024 block_row_start,
4025 *height,
4026 excerpt,
4027 latest_selection_anchors,
4028 );
4029
4030 if sticky_header_excerpt_id != Some(excerpt.id) {
4031 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
4032
4033 result = result.child(div().pr(editor_margins.right).child(
4034 self.render_buffer_header(
4035 excerpt, false, selected, false, jump_data, window, cx,
4036 ),
4037 ));
4038 } else {
4039 result =
4040 result.child(div().h(FILE_HEADER_HEIGHT as f32 * window.line_height()));
4041 }
4042 } else {
4043 result =
4044 result.child(div().h(FILE_HEADER_HEIGHT as f32 * window.line_height()));
4045 }
4046
4047 result.into_any()
4048 }
4049
4050 Block::Spacer { height, .. } => {
4051 let indent_guide_padding = indent_guides
4052 .as_ref()
4053 .map(|guides| {
4054 Self::depth_zero_indent_guide_padding_for_row(guides, block_row_start)
4055 })
4056 .unwrap_or(px(0.0));
4057 Self::render_spacer_block(
4058 block_id,
4059 *height,
4060 line_height,
4061 indent_guide_padding,
4062 window,
4063 cx,
4064 )
4065 }
4066 };
4067
4068 // Discover the element's content height, then round up to the nearest multiple of line height.
4069 let preliminary_size = element.layout_as_root(
4070 size(available_width, AvailableSpace::MinContent),
4071 window,
4072 cx,
4073 );
4074 let quantized_height = (preliminary_size.height / line_height).ceil() * line_height;
4075 let final_size = if preliminary_size.height == quantized_height {
4076 preliminary_size
4077 } else {
4078 element.layout_as_root(size(available_width, quantized_height.into()), window, cx)
4079 };
4080 let mut element_height_in_lines = ((final_size.height / line_height).ceil() as u32).max(1);
4081
4082 let effective_row_start = block_row_start.0 as i32 + *block_resize_offset;
4083 debug_assert!(effective_row_start >= 0);
4084 let mut row = DisplayRow(effective_row_start.max(0) as u32);
4085
4086 let mut x_offset = px(0.);
4087 let mut is_block = true;
4088
4089 if let BlockId::Custom(custom_block_id) = block_id
4090 && block.has_height()
4091 {
4092 if block.place_near()
4093 && let Some((x_target, line_width)) = x_position
4094 {
4095 let margin = em_width * 2;
4096 if line_width + final_size.width + margin
4097 < editor_width + editor_margins.gutter.full_width()
4098 && !row_block_types.contains_key(&(row - 1))
4099 && element_height_in_lines == 1
4100 {
4101 x_offset = line_width + margin;
4102 row = row - 1;
4103 is_block = false;
4104 element_height_in_lines = 0;
4105 row_block_types.insert(row, is_block);
4106 } else {
4107 let max_offset =
4108 editor_width + editor_margins.gutter.full_width() - final_size.width;
4109 let min_offset = (x_target + em_width - final_size.width)
4110 .max(editor_margins.gutter.full_width());
4111 x_offset = x_target.min(max_offset).max(min_offset);
4112 }
4113 };
4114 if element_height_in_lines != block.height() {
4115 *block_resize_offset += element_height_in_lines as i32 - block.height() as i32;
4116 resized_blocks.insert(custom_block_id, element_height_in_lines);
4117 }
4118 }
4119 for i in 0..element_height_in_lines {
4120 row_block_types.insert(row + i, is_block);
4121 }
4122
4123 Some((element, final_size, row, x_offset))
4124 }
4125
4126 /// The spacer pattern period must be an even factor of the line height, so
4127 /// that two consecutive spacer blocks can render contiguously without an
4128 /// obvious break in the pattern.
4129 ///
4130 /// Two consecutive spacers can appear when the other side has a diff hunk
4131 /// and a custom block next to each other (e.g. merge conflict buttons).
4132 fn spacer_pattern_period(line_height: f32, target_height: f32) -> f32 {
4133 let k_approx = line_height / (2.0 * target_height);
4134 let k_floor = (k_approx.floor() as u32).max(1);
4135 let k_ceil = (k_approx.ceil() as u32).max(1);
4136
4137 let size_floor = line_height / (2 * k_floor) as f32;
4138 let size_ceil = line_height / (2 * k_ceil) as f32;
4139
4140 if (size_floor - target_height).abs() <= (size_ceil - target_height).abs() {
4141 size_floor
4142 } else {
4143 size_ceil
4144 }
4145 }
4146
4147 pub fn render_spacer_block(
4148 block_id: BlockId,
4149 block_height: u32,
4150 line_height: Pixels,
4151 indent_guide_padding: Pixels,
4152 window: &mut Window,
4153 cx: &App,
4154 ) -> AnyElement {
4155 let target_size = 16.0;
4156 let scale = window.scale_factor();
4157 let pattern_size =
4158 Self::spacer_pattern_period(f32::from(line_height) * scale, target_size * scale);
4159 let color = cx.theme().colors().panel_background;
4160 let background = pattern_slash(color, 2.0, pattern_size - 2.0);
4161
4162 div()
4163 .id(block_id)
4164 .cursor(CursorStyle::Arrow)
4165 .w_full()
4166 .h((block_height as f32) * line_height)
4167 .flex()
4168 .flex_row()
4169 .child(div().flex_shrink_0().w(indent_guide_padding).h_full())
4170 .child(
4171 div()
4172 .flex_1()
4173 .h_full()
4174 .relative()
4175 .overflow_x_hidden()
4176 .child(
4177 div()
4178 .absolute()
4179 .top_0()
4180 .bottom_0()
4181 .right_0()
4182 .left(-indent_guide_padding)
4183 .bg(background),
4184 ),
4185 )
4186 .into_any()
4187 }
4188
4189 fn render_buffer_header(
4190 &self,
4191 for_excerpt: &ExcerptInfo,
4192 is_folded: bool,
4193 is_selected: bool,
4194 is_sticky: bool,
4195 jump_data: JumpData,
4196 window: &mut Window,
4197 cx: &mut App,
4198 ) -> impl IntoElement {
4199 render_buffer_header(
4200 &self.editor,
4201 for_excerpt,
4202 is_folded,
4203 is_selected,
4204 is_sticky,
4205 jump_data,
4206 window,
4207 cx,
4208 )
4209 }
4210
4211 fn render_blocks(
4212 &self,
4213 rows: Range<DisplayRow>,
4214 snapshot: &EditorSnapshot,
4215 hitbox: &Hitbox,
4216 text_hitbox: &Hitbox,
4217 editor_width: Pixels,
4218 scroll_width: &mut Pixels,
4219 editor_margins: &EditorMargins,
4220 em_width: Pixels,
4221 text_x: Pixels,
4222 line_height: Pixels,
4223 line_layouts: &mut [LineWithInvisibles],
4224 selections: &[Selection<Point>],
4225 selected_buffer_ids: &Vec<BufferId>,
4226 latest_selection_anchors: &HashMap<BufferId, Anchor>,
4227 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
4228 sticky_header_excerpt_id: Option<ExcerptId>,
4229 indent_guides: &Option<Vec<IndentGuideLayout>>,
4230 window: &mut Window,
4231 cx: &mut App,
4232 ) -> RenderBlocksOutput {
4233 let (fixed_blocks, non_fixed_blocks) = snapshot
4234 .blocks_in_range(rows.clone())
4235 .partition::<Vec<_>, _>(|(_, block)| block.style() == BlockStyle::Fixed);
4236
4237 let mut focused_block = self
4238 .editor
4239 .update(cx, |editor, _| editor.take_focused_block());
4240 let mut fixed_block_max_width = Pixels::ZERO;
4241 let mut blocks = Vec::new();
4242 let mut spacer_blocks = Vec::new();
4243 let mut resized_blocks = HashMap::default();
4244 let mut row_block_types = HashMap::default();
4245 let mut block_resize_offset: i32 = 0;
4246
4247 for (row, block) in fixed_blocks {
4248 let block_id = block.id();
4249
4250 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4251 focused_block = None;
4252 }
4253
4254 if let Some((element, element_size, row, x_offset)) = self.render_block(
4255 block,
4256 AvailableSpace::MinContent,
4257 block_id,
4258 row,
4259 snapshot,
4260 text_x,
4261 &rows,
4262 line_layouts,
4263 editor_margins,
4264 line_height,
4265 em_width,
4266 text_hitbox,
4267 editor_width,
4268 scroll_width,
4269 &mut resized_blocks,
4270 &mut row_block_types,
4271 selections,
4272 selected_buffer_ids,
4273 latest_selection_anchors,
4274 is_row_soft_wrapped,
4275 sticky_header_excerpt_id,
4276 indent_guides,
4277 &mut block_resize_offset,
4278 window,
4279 cx,
4280 ) {
4281 fixed_block_max_width = fixed_block_max_width.max(element_size.width + em_width);
4282 blocks.push(BlockLayout {
4283 id: block_id,
4284 x_offset,
4285 row: Some(row),
4286 element,
4287 available_space: size(AvailableSpace::MinContent, element_size.height.into()),
4288 style: BlockStyle::Fixed,
4289 overlaps_gutter: true,
4290 is_buffer_header: block.is_buffer_header(),
4291 });
4292 }
4293 }
4294
4295 for (row, block) in non_fixed_blocks {
4296 let style = block.style();
4297 let width = match (style, block.place_near()) {
4298 (_, true) => AvailableSpace::MinContent,
4299 (BlockStyle::Sticky, _) => hitbox.size.width.into(),
4300 (BlockStyle::Flex, _) => hitbox
4301 .size
4302 .width
4303 .max(fixed_block_max_width)
4304 .max(
4305 editor_margins.gutter.width + *scroll_width + editor_margins.extended_right,
4306 )
4307 .into(),
4308 (BlockStyle::Spacer, _) => hitbox
4309 .size
4310 .width
4311 .max(fixed_block_max_width)
4312 .max(*scroll_width + editor_margins.extended_right)
4313 .into(),
4314 (BlockStyle::Fixed, _) => unreachable!(),
4315 };
4316 let block_id = block.id();
4317
4318 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4319 focused_block = None;
4320 }
4321
4322 if let Some((element, element_size, row, x_offset)) = self.render_block(
4323 block,
4324 width,
4325 block_id,
4326 row,
4327 snapshot,
4328 text_x,
4329 &rows,
4330 line_layouts,
4331 editor_margins,
4332 line_height,
4333 em_width,
4334 text_hitbox,
4335 editor_width,
4336 scroll_width,
4337 &mut resized_blocks,
4338 &mut row_block_types,
4339 selections,
4340 selected_buffer_ids,
4341 latest_selection_anchors,
4342 is_row_soft_wrapped,
4343 sticky_header_excerpt_id,
4344 indent_guides,
4345 &mut block_resize_offset,
4346 window,
4347 cx,
4348 ) {
4349 let layout = BlockLayout {
4350 id: block_id,
4351 x_offset,
4352 row: Some(row),
4353 element,
4354 available_space: size(width, element_size.height.into()),
4355 style,
4356 overlaps_gutter: !block.place_near() && style != BlockStyle::Spacer,
4357 is_buffer_header: block.is_buffer_header(),
4358 };
4359 if style == BlockStyle::Spacer {
4360 spacer_blocks.push(layout);
4361 } else {
4362 blocks.push(layout);
4363 }
4364 }
4365 }
4366
4367 if let Some(focused_block) = focused_block
4368 && let Some(focus_handle) = focused_block.focus_handle.upgrade()
4369 && focus_handle.is_focused(window)
4370 && let Some(block) = snapshot.block_for_id(focused_block.id)
4371 {
4372 let style = block.style();
4373 let width = match style {
4374 BlockStyle::Fixed => AvailableSpace::MinContent,
4375 BlockStyle::Flex => {
4376 AvailableSpace::Definite(hitbox.size.width.max(fixed_block_max_width).max(
4377 editor_margins.gutter.width + *scroll_width + editor_margins.extended_right,
4378 ))
4379 }
4380 BlockStyle::Spacer => AvailableSpace::Definite(
4381 hitbox
4382 .size
4383 .width
4384 .max(fixed_block_max_width)
4385 .max(*scroll_width + editor_margins.extended_right),
4386 ),
4387 BlockStyle::Sticky => AvailableSpace::Definite(hitbox.size.width),
4388 };
4389
4390 if let Some((element, element_size, _, x_offset)) = self.render_block(
4391 &block,
4392 width,
4393 focused_block.id,
4394 rows.end,
4395 snapshot,
4396 text_x,
4397 &rows,
4398 line_layouts,
4399 editor_margins,
4400 line_height,
4401 em_width,
4402 text_hitbox,
4403 editor_width,
4404 scroll_width,
4405 &mut resized_blocks,
4406 &mut row_block_types,
4407 selections,
4408 selected_buffer_ids,
4409 latest_selection_anchors,
4410 is_row_soft_wrapped,
4411 sticky_header_excerpt_id,
4412 indent_guides,
4413 &mut block_resize_offset,
4414 window,
4415 cx,
4416 ) {
4417 blocks.push(BlockLayout {
4418 id: block.id(),
4419 x_offset,
4420 row: None,
4421 element,
4422 available_space: size(width, element_size.height.into()),
4423 style,
4424 overlaps_gutter: true,
4425 is_buffer_header: block.is_buffer_header(),
4426 });
4427 }
4428 }
4429
4430 if resized_blocks.is_empty() {
4431 *scroll_width =
4432 (*scroll_width).max(fixed_block_max_width - editor_margins.gutter.width);
4433 }
4434
4435 RenderBlocksOutput {
4436 non_spacer_blocks: blocks,
4437 spacer_blocks,
4438 row_block_types,
4439 resized_blocks: (!resized_blocks.is_empty()).then_some(resized_blocks),
4440 }
4441 }
4442
4443 fn layout_blocks(
4444 &self,
4445 blocks: &mut Vec<BlockLayout>,
4446 hitbox: &Hitbox,
4447 gutter_hitbox: &Hitbox,
4448 line_height: Pixels,
4449 scroll_position: gpui::Point<ScrollOffset>,
4450 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4451 editor_margins: &EditorMargins,
4452 window: &mut Window,
4453 cx: &mut App,
4454 ) {
4455 for block in blocks {
4456 let mut origin = if let Some(row) = block.row {
4457 hitbox.origin
4458 + point(
4459 block.x_offset,
4460 Pixels::from(
4461 (row.as_f64() - scroll_position.y)
4462 * ScrollPixelOffset::from(line_height),
4463 ),
4464 )
4465 } else {
4466 // Position the block outside the visible area
4467 hitbox.origin + point(Pixels::ZERO, hitbox.size.height)
4468 };
4469
4470 if block.style == BlockStyle::Spacer {
4471 origin += point(
4472 gutter_hitbox.size.width + editor_margins.gutter.margin,
4473 Pixels::ZERO,
4474 );
4475 }
4476
4477 if !matches!(block.style, BlockStyle::Sticky) {
4478 origin += point(Pixels::from(-scroll_pixel_position.x), Pixels::ZERO);
4479 }
4480
4481 let focus_handle =
4482 block
4483 .element
4484 .prepaint_as_root(origin, block.available_space, window, cx);
4485
4486 if let Some(focus_handle) = focus_handle {
4487 self.editor.update(cx, |editor, _cx| {
4488 editor.set_focused_block(FocusedBlock {
4489 id: block.id,
4490 focus_handle: focus_handle.downgrade(),
4491 });
4492 });
4493 }
4494 }
4495 }
4496
4497 fn layout_sticky_buffer_header(
4498 &self,
4499 StickyHeaderExcerpt { excerpt }: StickyHeaderExcerpt<'_>,
4500 scroll_position: gpui::Point<ScrollOffset>,
4501 line_height: Pixels,
4502 right_margin: Pixels,
4503 snapshot: &EditorSnapshot,
4504 hitbox: &Hitbox,
4505 selected_buffer_ids: &Vec<BufferId>,
4506 blocks: &[BlockLayout],
4507 latest_selection_anchors: &HashMap<BufferId, Anchor>,
4508 window: &mut Window,
4509 cx: &mut App,
4510 ) -> AnyElement {
4511 let jump_data = header_jump_data(
4512 snapshot,
4513 DisplayRow(scroll_position.y as u32),
4514 FILE_HEADER_HEIGHT + MULTI_BUFFER_EXCERPT_HEADER_HEIGHT,
4515 excerpt,
4516 latest_selection_anchors,
4517 );
4518
4519 let editor_bg_color = cx.theme().colors().editor_background;
4520
4521 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
4522
4523 let available_width = hitbox.bounds.size.width - right_margin;
4524
4525 let mut header = v_flex()
4526 .w_full()
4527 .relative()
4528 .child(
4529 div()
4530 .w(available_width)
4531 .h(FILE_HEADER_HEIGHT as f32 * line_height)
4532 .bg(linear_gradient(
4533 0.,
4534 linear_color_stop(editor_bg_color.opacity(0.), 0.),
4535 linear_color_stop(editor_bg_color, 0.6),
4536 ))
4537 .absolute()
4538 .top_0(),
4539 )
4540 .child(
4541 self.render_buffer_header(excerpt, false, selected, true, jump_data, window, cx)
4542 .into_any_element(),
4543 )
4544 .into_any_element();
4545
4546 let mut origin = hitbox.origin;
4547 // Move floating header up to avoid colliding with the next buffer header.
4548 for block in blocks.iter() {
4549 if !block.is_buffer_header {
4550 continue;
4551 }
4552
4553 let Some(display_row) = block.row.filter(|row| row.0 > scroll_position.y as u32) else {
4554 continue;
4555 };
4556
4557 let max_row = display_row.0.saturating_sub(FILE_HEADER_HEIGHT);
4558 let offset = scroll_position.y - max_row as f64;
4559
4560 if offset > 0.0 {
4561 origin.y -= Pixels::from(offset * ScrollPixelOffset::from(line_height));
4562 }
4563 break;
4564 }
4565
4566 let size = size(
4567 AvailableSpace::Definite(available_width),
4568 AvailableSpace::MinContent,
4569 );
4570
4571 header.prepaint_as_root(origin, size, window, cx);
4572
4573 header
4574 }
4575
4576 fn layout_sticky_headers(
4577 &self,
4578 snapshot: &EditorSnapshot,
4579 editor_width: Pixels,
4580 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
4581 line_height: Pixels,
4582 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4583 content_origin: gpui::Point<Pixels>,
4584 gutter_dimensions: &GutterDimensions,
4585 gutter_hitbox: &Hitbox,
4586 text_hitbox: &Hitbox,
4587 relative_line_numbers: RelativeLineNumbers,
4588 relative_to: Option<DisplayRow>,
4589 window: &mut Window,
4590 cx: &mut App,
4591 ) -> Option<StickyHeaders> {
4592 let show_line_numbers = snapshot
4593 .show_line_numbers
4594 .unwrap_or_else(|| EditorSettings::get_global(cx).gutter.line_numbers);
4595
4596 let rows = Self::sticky_headers(self.editor.read(cx), snapshot);
4597
4598 let mut lines = Vec::<StickyHeaderLine>::new();
4599
4600 for StickyHeader {
4601 sticky_row,
4602 start_point,
4603 offset,
4604 } in rows.into_iter().rev()
4605 {
4606 let line = layout_line(
4607 sticky_row,
4608 snapshot,
4609 &self.style,
4610 editor_width,
4611 is_row_soft_wrapped,
4612 window,
4613 cx,
4614 );
4615
4616 let line_number = show_line_numbers.then(|| {
4617 let start_display_row = start_point.to_display_point(snapshot).row();
4618 let relative_number = relative_to
4619 .filter(|_| relative_line_numbers != RelativeLineNumbers::Disabled)
4620 .map(|base| {
4621 snapshot.relative_line_delta(
4622 base,
4623 start_display_row,
4624 relative_line_numbers == RelativeLineNumbers::Wrapped,
4625 )
4626 });
4627 let number = relative_number
4628 .filter(|&delta| delta != 0)
4629 .map(|delta| delta.unsigned_abs() as u32)
4630 .unwrap_or(start_point.row + 1);
4631 let color = cx.theme().colors().editor_line_number;
4632 self.shape_line_number(SharedString::from(number.to_string()), color, window)
4633 });
4634
4635 lines.push(StickyHeaderLine::new(
4636 sticky_row,
4637 line_height * offset as f32,
4638 line,
4639 line_number,
4640 line_height,
4641 scroll_pixel_position,
4642 content_origin,
4643 gutter_hitbox,
4644 text_hitbox,
4645 window,
4646 cx,
4647 ));
4648 }
4649
4650 lines.reverse();
4651 if lines.is_empty() {
4652 return None;
4653 }
4654
4655 Some(StickyHeaders {
4656 lines,
4657 gutter_background: cx.theme().colors().editor_gutter_background,
4658 content_background: self.style.background,
4659 gutter_right_padding: gutter_dimensions.right_padding,
4660 })
4661 }
4662
4663 pub(crate) fn sticky_headers(editor: &Editor, snapshot: &EditorSnapshot) -> Vec<StickyHeader> {
4664 let scroll_top = snapshot.scroll_position().y;
4665
4666 let mut end_rows = Vec::<DisplayRow>::new();
4667 let mut rows = Vec::<StickyHeader>::new();
4668
4669 for item in editor.sticky_headers.iter().flatten() {
4670 let start_point = item.range.start.to_point(snapshot.buffer_snapshot());
4671 let end_point = item.range.end.to_point(snapshot.buffer_snapshot());
4672
4673 let sticky_row = snapshot
4674 .display_snapshot
4675 .point_to_display_point(start_point, Bias::Left)
4676 .row();
4677 if rows
4678 .last()
4679 .is_some_and(|last| last.sticky_row == sticky_row)
4680 {
4681 continue;
4682 }
4683
4684 let end_row = snapshot
4685 .display_snapshot
4686 .point_to_display_point(end_point, Bias::Left)
4687 .row();
4688 let max_sticky_row = end_row.previous_row();
4689 if max_sticky_row <= sticky_row {
4690 continue;
4691 }
4692
4693 while end_rows
4694 .last()
4695 .is_some_and(|&last_end| last_end <= sticky_row)
4696 {
4697 end_rows.pop();
4698 }
4699 let depth = end_rows.len();
4700 let adjusted_scroll_top = scroll_top + depth as f64;
4701
4702 if sticky_row.as_f64() >= adjusted_scroll_top || end_row.as_f64() <= adjusted_scroll_top
4703 {
4704 continue;
4705 }
4706
4707 let max_scroll_offset = max_sticky_row.as_f64() - scroll_top;
4708 let offset = (depth as f64).min(max_scroll_offset);
4709
4710 end_rows.push(end_row);
4711 rows.push(StickyHeader {
4712 sticky_row,
4713 start_point,
4714 offset,
4715 });
4716 }
4717
4718 rows
4719 }
4720
4721 fn layout_cursor_popovers(
4722 &self,
4723 line_height: Pixels,
4724 text_hitbox: &Hitbox,
4725 content_origin: gpui::Point<Pixels>,
4726 right_margin: Pixels,
4727 start_row: DisplayRow,
4728 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4729 line_layouts: &[LineWithInvisibles],
4730 cursor: DisplayPoint,
4731 cursor_point: Point,
4732 style: &EditorStyle,
4733 window: &mut Window,
4734 cx: &mut App,
4735 ) -> Option<ContextMenuLayout> {
4736 let mut min_menu_height = Pixels::ZERO;
4737 let mut max_menu_height = Pixels::ZERO;
4738 let mut height_above_menu = Pixels::ZERO;
4739 let height_below_menu = Pixels::ZERO;
4740 let mut edit_prediction_popover_visible = false;
4741 let mut context_menu_visible = false;
4742 let context_menu_placement;
4743
4744 {
4745 let editor = self.editor.read(cx);
4746 if editor.edit_prediction_visible_in_cursor_popover(editor.has_active_edit_prediction())
4747 {
4748 height_above_menu +=
4749 editor.edit_prediction_cursor_popover_height() + POPOVER_Y_PADDING;
4750 edit_prediction_popover_visible = true;
4751 }
4752
4753 if editor.context_menu_visible()
4754 && let Some(crate::ContextMenuOrigin::Cursor) = editor.context_menu_origin()
4755 {
4756 let (min_height_in_lines, max_height_in_lines) = editor
4757 .context_menu_options
4758 .as_ref()
4759 .map_or((3, 12), |options| {
4760 (options.min_entries_visible, options.max_entries_visible)
4761 });
4762
4763 min_menu_height += line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4764 max_menu_height += line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4765 context_menu_visible = true;
4766 }
4767 context_menu_placement = editor
4768 .context_menu_options
4769 .as_ref()
4770 .and_then(|options| options.placement.clone());
4771 }
4772
4773 let visible = edit_prediction_popover_visible || context_menu_visible;
4774 if !visible {
4775 return None;
4776 }
4777
4778 let cursor_row_layout = &line_layouts[cursor.row().minus(start_row) as usize];
4779 let target_position = content_origin
4780 + gpui::Point {
4781 x: cmp::max(
4782 px(0.),
4783 Pixels::from(
4784 ScrollPixelOffset::from(
4785 cursor_row_layout.x_for_index(cursor.column() as usize),
4786 ) - scroll_pixel_position.x,
4787 ),
4788 ),
4789 y: cmp::max(
4790 px(0.),
4791 Pixels::from(
4792 cursor.row().next_row().as_f64() * ScrollPixelOffset::from(line_height)
4793 - scroll_pixel_position.y,
4794 ),
4795 ),
4796 };
4797
4798 let viewport_bounds =
4799 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4800 right: -right_margin - MENU_GAP,
4801 ..Default::default()
4802 });
4803
4804 let min_height = height_above_menu + min_menu_height + height_below_menu;
4805 let max_height = height_above_menu + max_menu_height + height_below_menu;
4806 let (laid_out_popovers, y_flipped) = self.layout_popovers_above_or_below_line(
4807 target_position,
4808 line_height,
4809 min_height,
4810 max_height,
4811 context_menu_placement,
4812 text_hitbox,
4813 viewport_bounds,
4814 window,
4815 cx,
4816 |height, max_width_for_stable_x, y_flipped, window, cx| {
4817 // First layout the menu to get its size - others can be at least this wide.
4818 let context_menu = if context_menu_visible {
4819 let menu_height = if y_flipped {
4820 height - height_below_menu
4821 } else {
4822 height - height_above_menu
4823 };
4824 let mut element = self
4825 .render_context_menu(line_height, menu_height, window, cx)
4826 .expect("Visible context menu should always render.");
4827 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4828 Some((CursorPopoverType::CodeContextMenu, element, size))
4829 } else {
4830 None
4831 };
4832 let min_width = context_menu
4833 .as_ref()
4834 .map_or(px(0.), |(_, _, size)| size.width);
4835 let max_width = max_width_for_stable_x.max(
4836 context_menu
4837 .as_ref()
4838 .map_or(px(0.), |(_, _, size)| size.width),
4839 );
4840
4841 let edit_prediction = if edit_prediction_popover_visible {
4842 self.editor.update(cx, move |editor, cx| {
4843 let mut element = editor.render_edit_prediction_cursor_popover(
4844 min_width,
4845 max_width,
4846 cursor_point,
4847 style,
4848 window,
4849 cx,
4850 )?;
4851 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4852 Some((CursorPopoverType::EditPrediction, element, size))
4853 })
4854 } else {
4855 None
4856 };
4857 vec![edit_prediction, context_menu]
4858 .into_iter()
4859 .flatten()
4860 .collect::<Vec<_>>()
4861 },
4862 )?;
4863
4864 let (menu_ix, (_, menu_bounds)) = laid_out_popovers
4865 .iter()
4866 .find_position(|(x, _)| matches!(x, CursorPopoverType::CodeContextMenu))?;
4867 let last_ix = laid_out_popovers.len() - 1;
4868 let menu_is_last = menu_ix == last_ix;
4869 let first_popover_bounds = laid_out_popovers[0].1;
4870 let last_popover_bounds = laid_out_popovers[last_ix].1;
4871
4872 // Bounds to layout the aside around. When y_flipped, the aside goes either above or to the
4873 // right, and otherwise it goes below or to the right.
4874 let mut target_bounds = Bounds::from_corners(
4875 first_popover_bounds.origin,
4876 last_popover_bounds.bottom_right(),
4877 );
4878 target_bounds.size.width = menu_bounds.size.width;
4879
4880 // Like `target_bounds`, but with the max height it could occupy. Choosing an aside position
4881 // based on this is preferred for layout stability.
4882 let mut max_target_bounds = target_bounds;
4883 max_target_bounds.size.height = max_height;
4884 if y_flipped {
4885 max_target_bounds.origin.y -= max_height - target_bounds.size.height;
4886 }
4887
4888 // Add spacing around `target_bounds` and `max_target_bounds`.
4889 let mut extend_amount = Edges::all(MENU_GAP);
4890 if y_flipped {
4891 extend_amount.bottom = line_height;
4892 } else {
4893 extend_amount.top = line_height;
4894 }
4895 let target_bounds = target_bounds.extend(extend_amount);
4896 let max_target_bounds = max_target_bounds.extend(extend_amount);
4897
4898 let must_place_above_or_below =
4899 if y_flipped && !menu_is_last && menu_bounds.size.height < max_menu_height {
4900 laid_out_popovers[menu_ix + 1..]
4901 .iter()
4902 .any(|(_, popover_bounds)| popover_bounds.size.width > menu_bounds.size.width)
4903 } else {
4904 false
4905 };
4906
4907 let aside_bounds = self.layout_context_menu_aside(
4908 y_flipped,
4909 *menu_bounds,
4910 target_bounds,
4911 max_target_bounds,
4912 max_menu_height,
4913 must_place_above_or_below,
4914 text_hitbox,
4915 viewport_bounds,
4916 window,
4917 cx,
4918 );
4919
4920 if let Some(menu_bounds) = laid_out_popovers.iter().find_map(|(popover_type, bounds)| {
4921 if matches!(popover_type, CursorPopoverType::CodeContextMenu) {
4922 Some(*bounds)
4923 } else {
4924 None
4925 }
4926 }) {
4927 let bounds = if let Some(aside_bounds) = aside_bounds {
4928 menu_bounds.union(&aside_bounds)
4929 } else {
4930 menu_bounds
4931 };
4932 return Some(ContextMenuLayout { y_flipped, bounds });
4933 }
4934
4935 None
4936 }
4937
4938 fn layout_gutter_menu(
4939 &self,
4940 line_height: Pixels,
4941 text_hitbox: &Hitbox,
4942 content_origin: gpui::Point<Pixels>,
4943 right_margin: Pixels,
4944 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4945 gutter_overshoot: Pixels,
4946 window: &mut Window,
4947 cx: &mut App,
4948 ) {
4949 let editor = self.editor.read(cx);
4950 if !editor.context_menu_visible() {
4951 return;
4952 }
4953 let Some(crate::ContextMenuOrigin::GutterIndicator(gutter_row)) =
4954 editor.context_menu_origin()
4955 else {
4956 return;
4957 };
4958 // Context menu was spawned via a click on a gutter. Ensure it's a bit closer to the
4959 // indicator than just a plain first column of the text field.
4960 let target_position = content_origin
4961 + gpui::Point {
4962 x: -gutter_overshoot,
4963 y: Pixels::from(
4964 gutter_row.next_row().as_f64() * ScrollPixelOffset::from(line_height)
4965 - scroll_pixel_position.y,
4966 ),
4967 };
4968
4969 let (min_height_in_lines, max_height_in_lines) = editor
4970 .context_menu_options
4971 .as_ref()
4972 .map_or((3, 12), |options| {
4973 (options.min_entries_visible, options.max_entries_visible)
4974 });
4975
4976 let min_height = line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4977 let max_height = line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4978 let viewport_bounds =
4979 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4980 right: -right_margin - MENU_GAP,
4981 ..Default::default()
4982 });
4983 self.layout_popovers_above_or_below_line(
4984 target_position,
4985 line_height,
4986 min_height,
4987 max_height,
4988 editor
4989 .context_menu_options
4990 .as_ref()
4991 .and_then(|options| options.placement.clone()),
4992 text_hitbox,
4993 viewport_bounds,
4994 window,
4995 cx,
4996 move |height, _max_width_for_stable_x, _, window, cx| {
4997 let mut element = self
4998 .render_context_menu(line_height, height, window, cx)
4999 .expect("Visible context menu should always render.");
5000 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
5001 vec![(CursorPopoverType::CodeContextMenu, element, size)]
5002 },
5003 );
5004 }
5005
5006 fn layout_popovers_above_or_below_line(
5007 &self,
5008 target_position: gpui::Point<Pixels>,
5009 line_height: Pixels,
5010 min_height: Pixels,
5011 max_height: Pixels,
5012 placement: Option<ContextMenuPlacement>,
5013 text_hitbox: &Hitbox,
5014 viewport_bounds: Bounds<Pixels>,
5015 window: &mut Window,
5016 cx: &mut App,
5017 make_sized_popovers: impl FnOnce(
5018 Pixels,
5019 Pixels,
5020 bool,
5021 &mut Window,
5022 &mut App,
5023 ) -> Vec<(CursorPopoverType, AnyElement, Size<Pixels>)>,
5024 ) -> Option<(Vec<(CursorPopoverType, Bounds<Pixels>)>, bool)> {
5025 let text_style = TextStyleRefinement {
5026 line_height: Some(DefiniteLength::Fraction(
5027 BufferLineHeight::Comfortable.value(),
5028 )),
5029 ..Default::default()
5030 };
5031 window.with_text_style(Some(text_style), |window| {
5032 // If the max height won't fit below and there is more space above, put it above the line.
5033 let bottom_y_when_flipped = target_position.y - line_height;
5034 let available_above = bottom_y_when_flipped - text_hitbox.top();
5035 let available_below = text_hitbox.bottom() - target_position.y;
5036 let y_overflows_below = max_height > available_below;
5037 let mut y_flipped = match placement {
5038 Some(ContextMenuPlacement::Above) => true,
5039 Some(ContextMenuPlacement::Below) => false,
5040 None => y_overflows_below && available_above > available_below,
5041 };
5042 let mut height = cmp::min(
5043 max_height,
5044 if y_flipped {
5045 available_above
5046 } else {
5047 available_below
5048 },
5049 );
5050
5051 // If the min height doesn't fit within text bounds, instead fit within the window.
5052 if height < min_height {
5053 let available_above = bottom_y_when_flipped;
5054 let available_below = viewport_bounds.bottom() - target_position.y;
5055 let (y_flipped_override, height_override) = match placement {
5056 Some(ContextMenuPlacement::Above) => {
5057 (true, cmp::min(available_above, min_height))
5058 }
5059 Some(ContextMenuPlacement::Below) => {
5060 (false, cmp::min(available_below, min_height))
5061 }
5062 None => {
5063 if available_below > min_height {
5064 (false, min_height)
5065 } else if available_above > min_height {
5066 (true, min_height)
5067 } else if available_above > available_below {
5068 (true, available_above)
5069 } else {
5070 (false, available_below)
5071 }
5072 }
5073 };
5074 y_flipped = y_flipped_override;
5075 height = height_override;
5076 }
5077
5078 let max_width_for_stable_x = viewport_bounds.right() - target_position.x;
5079
5080 // TODO: Use viewport_bounds.width as a max width so that it doesn't get clipped on the left
5081 // for very narrow windows.
5082 let popovers =
5083 make_sized_popovers(height, max_width_for_stable_x, y_flipped, window, cx);
5084 if popovers.is_empty() {
5085 return None;
5086 }
5087
5088 let max_width = popovers
5089 .iter()
5090 .map(|(_, _, size)| size.width)
5091 .max()
5092 .unwrap_or_default();
5093
5094 let mut current_position = gpui::Point {
5095 // Snap the right edge of the list to the right edge of the window if its horizontal bounds
5096 // overflow. Include space for the scrollbar.
5097 x: target_position
5098 .x
5099 .min((viewport_bounds.right() - max_width).max(Pixels::ZERO)),
5100 y: if y_flipped {
5101 bottom_y_when_flipped
5102 } else {
5103 target_position.y
5104 },
5105 };
5106
5107 let mut laid_out_popovers = popovers
5108 .into_iter()
5109 .map(|(popover_type, element, size)| {
5110 if y_flipped {
5111 current_position.y -= size.height;
5112 }
5113 let position = current_position;
5114 window.defer_draw(element, current_position, 1, None);
5115 if !y_flipped {
5116 current_position.y += size.height + MENU_GAP;
5117 } else {
5118 current_position.y -= MENU_GAP;
5119 }
5120 (popover_type, Bounds::new(position, size))
5121 })
5122 .collect::<Vec<_>>();
5123
5124 if y_flipped {
5125 laid_out_popovers.reverse();
5126 }
5127
5128 Some((laid_out_popovers, y_flipped))
5129 })
5130 }
5131
5132 fn layout_context_menu_aside(
5133 &self,
5134 y_flipped: bool,
5135 menu_bounds: Bounds<Pixels>,
5136 target_bounds: Bounds<Pixels>,
5137 max_target_bounds: Bounds<Pixels>,
5138 max_height: Pixels,
5139 must_place_above_or_below: bool,
5140 text_hitbox: &Hitbox,
5141 viewport_bounds: Bounds<Pixels>,
5142 window: &mut Window,
5143 cx: &mut App,
5144 ) -> Option<Bounds<Pixels>> {
5145 let available_within_viewport = target_bounds.space_within(&viewport_bounds);
5146 let positioned_aside = if available_within_viewport.right >= MENU_ASIDE_MIN_WIDTH
5147 && !must_place_above_or_below
5148 {
5149 let max_width = cmp::min(
5150 available_within_viewport.right - px(1.),
5151 MENU_ASIDE_MAX_WIDTH,
5152 );
5153 let mut aside = self.render_context_menu_aside(
5154 size(max_width, max_height - POPOVER_Y_PADDING),
5155 window,
5156 cx,
5157 )?;
5158 let size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
5159 let right_position = point(target_bounds.right(), menu_bounds.origin.y);
5160 Some((aside, right_position, size))
5161 } else {
5162 let max_size = size(
5163 // TODO(mgsloan): Once the menu is bounded by viewport width the bound on viewport
5164 // won't be needed here.
5165 cmp::min(
5166 cmp::max(menu_bounds.size.width - px(2.), MENU_ASIDE_MIN_WIDTH),
5167 viewport_bounds.right(),
5168 ),
5169 cmp::min(
5170 max_height,
5171 cmp::max(
5172 available_within_viewport.top,
5173 available_within_viewport.bottom,
5174 ),
5175 ) - POPOVER_Y_PADDING,
5176 );
5177 let mut aside = self.render_context_menu_aside(max_size, window, cx)?;
5178 let actual_size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
5179
5180 let top_position = point(
5181 menu_bounds.origin.x,
5182 target_bounds.top() - actual_size.height,
5183 );
5184 let bottom_position = point(menu_bounds.origin.x, target_bounds.bottom());
5185
5186 let fit_within = |available: Edges<Pixels>, wanted: Size<Pixels>| {
5187 // Prefer to fit on the same side of the line as the menu, then on the other side of
5188 // the line.
5189 if !y_flipped && wanted.height < available.bottom {
5190 Some(bottom_position)
5191 } else if !y_flipped && wanted.height < available.top {
5192 Some(top_position)
5193 } else if y_flipped && wanted.height < available.top {
5194 Some(top_position)
5195 } else if y_flipped && wanted.height < available.bottom {
5196 Some(bottom_position)
5197 } else {
5198 None
5199 }
5200 };
5201
5202 // Prefer choosing a direction using max sizes rather than actual size for stability.
5203 let available_within_text = max_target_bounds.space_within(&text_hitbox.bounds);
5204 let wanted = size(MENU_ASIDE_MAX_WIDTH, max_height);
5205 let aside_position = fit_within(available_within_text, wanted)
5206 // Fallback: fit max size in window.
5207 .or_else(|| fit_within(max_target_bounds.space_within(&viewport_bounds), wanted))
5208 // Fallback: fit actual size in window.
5209 .or_else(|| fit_within(available_within_viewport, actual_size));
5210
5211 aside_position.map(|position| (aside, position, actual_size))
5212 };
5213
5214 // Skip drawing if it doesn't fit anywhere.
5215 if let Some((aside, position, size)) = positioned_aside {
5216 let aside_bounds = Bounds::new(position, size);
5217 window.defer_draw(aside, position, 2, None);
5218 return Some(aside_bounds);
5219 }
5220
5221 None
5222 }
5223
5224 fn render_context_menu(
5225 &self,
5226 line_height: Pixels,
5227 height: Pixels,
5228 window: &mut Window,
5229 cx: &mut App,
5230 ) -> Option<AnyElement> {
5231 let max_height_in_lines = ((height - POPOVER_Y_PADDING) / line_height).floor() as u32;
5232 self.editor.update(cx, |editor, cx| {
5233 editor.render_context_menu(max_height_in_lines, window, cx)
5234 })
5235 }
5236
5237 fn render_context_menu_aside(
5238 &self,
5239 max_size: Size<Pixels>,
5240 window: &mut Window,
5241 cx: &mut App,
5242 ) -> Option<AnyElement> {
5243 if max_size.width < px(100.) || max_size.height < px(12.) {
5244 None
5245 } else {
5246 self.editor.update(cx, |editor, cx| {
5247 editor.render_context_menu_aside(max_size, window, cx)
5248 })
5249 }
5250 }
5251
5252 fn layout_mouse_context_menu(
5253 &self,
5254 editor_snapshot: &EditorSnapshot,
5255 visible_range: Range<DisplayRow>,
5256 content_origin: gpui::Point<Pixels>,
5257 window: &mut Window,
5258 cx: &mut App,
5259 ) -> Option<AnyElement> {
5260 let position = self.editor.update(cx, |editor, cx| {
5261 let visible_start_point = editor.display_to_pixel_point(
5262 DisplayPoint::new(visible_range.start, 0),
5263 editor_snapshot,
5264 window,
5265 cx,
5266 )?;
5267 let visible_end_point = editor.display_to_pixel_point(
5268 DisplayPoint::new(visible_range.end, 0),
5269 editor_snapshot,
5270 window,
5271 cx,
5272 )?;
5273
5274 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
5275 let (source_display_point, position) = match mouse_context_menu.position {
5276 MenuPosition::PinnedToScreen(point) => (None, point),
5277 MenuPosition::PinnedToEditor { source, offset } => {
5278 let source_display_point = source.to_display_point(editor_snapshot);
5279 let source_point =
5280 editor.to_pixel_point(source, editor_snapshot, window, cx)?;
5281 let position = content_origin + source_point + offset;
5282 (Some(source_display_point), position)
5283 }
5284 };
5285
5286 let source_included = source_display_point.is_none_or(|source_display_point| {
5287 visible_range
5288 .to_inclusive()
5289 .contains(&source_display_point.row())
5290 });
5291 let position_included =
5292 visible_start_point.y <= position.y && position.y <= visible_end_point.y;
5293 if !source_included && !position_included {
5294 None
5295 } else {
5296 Some(position)
5297 }
5298 })?;
5299
5300 let text_style = TextStyleRefinement {
5301 line_height: Some(DefiniteLength::Fraction(
5302 BufferLineHeight::Comfortable.value(),
5303 )),
5304 ..Default::default()
5305 };
5306 window.with_text_style(Some(text_style), |window| {
5307 let mut element = self.editor.read_with(cx, |editor, _| {
5308 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
5309 let context_menu = mouse_context_menu.context_menu.clone();
5310
5311 Some(
5312 deferred(
5313 anchored()
5314 .position(position)
5315 .child(context_menu)
5316 .anchor(Corner::TopLeft)
5317 .snap_to_window_with_margin(px(8.)),
5318 )
5319 .with_priority(1)
5320 .into_any(),
5321 )
5322 })?;
5323
5324 element.prepaint_as_root(position, AvailableSpace::min_size(), window, cx);
5325 Some(element)
5326 })
5327 }
5328
5329 fn layout_hover_popovers(
5330 &self,
5331 snapshot: &EditorSnapshot,
5332 hitbox: &Hitbox,
5333 visible_display_row_range: Range<DisplayRow>,
5334 content_origin: gpui::Point<Pixels>,
5335 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5336 line_layouts: &[LineWithInvisibles],
5337 line_height: Pixels,
5338 em_width: Pixels,
5339 context_menu_layout: Option<ContextMenuLayout>,
5340 window: &mut Window,
5341 cx: &mut App,
5342 ) {
5343 struct MeasuredHoverPopover {
5344 element: AnyElement,
5345 size: Size<Pixels>,
5346 horizontal_offset: Pixels,
5347 }
5348
5349 let max_size = size(
5350 (120. * em_width) // Default size
5351 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5352 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5353 (16. * line_height) // Default size
5354 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5355 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5356 );
5357
5358 // Don't show hover popovers when context menu is open to avoid overlap
5359 let has_context_menu = self.editor.read(cx).mouse_context_menu.is_some();
5360 if has_context_menu {
5361 return;
5362 }
5363
5364 let hover_popovers = self.editor.update(cx, |editor, cx| {
5365 editor.hover_state.render(
5366 snapshot,
5367 visible_display_row_range.clone(),
5368 max_size,
5369 &editor.text_layout_details(window, cx),
5370 window,
5371 cx,
5372 )
5373 });
5374 let Some((popover_position, hover_popovers)) = hover_popovers else {
5375 return;
5376 };
5377
5378 // This is safe because we check on layout whether the required row is available
5379 let hovered_row_layout = &line_layouts[popover_position
5380 .row()
5381 .minus(visible_display_row_range.start)
5382 as usize];
5383
5384 // Compute Hovered Point
5385 let x = hovered_row_layout.x_for_index(popover_position.column() as usize)
5386 - Pixels::from(scroll_pixel_position.x);
5387 let y = Pixels::from(
5388 popover_position.row().as_f64() * ScrollPixelOffset::from(line_height)
5389 - scroll_pixel_position.y,
5390 );
5391 let hovered_point = content_origin + point(x, y);
5392
5393 let mut overall_height = Pixels::ZERO;
5394 let mut measured_hover_popovers = Vec::new();
5395 for (position, mut hover_popover) in hover_popovers.into_iter().with_position() {
5396 let size = hover_popover.layout_as_root(AvailableSpace::min_size(), window, cx);
5397 let horizontal_offset =
5398 (hitbox.top_right().x - POPOVER_RIGHT_OFFSET - (hovered_point.x + size.width))
5399 .min(Pixels::ZERO);
5400 match position {
5401 itertools::Position::Middle | itertools::Position::Last => {
5402 overall_height += HOVER_POPOVER_GAP
5403 }
5404 _ => {}
5405 }
5406 overall_height += size.height;
5407 measured_hover_popovers.push(MeasuredHoverPopover {
5408 element: hover_popover,
5409 size,
5410 horizontal_offset,
5411 });
5412 }
5413
5414 fn draw_occluder(
5415 width: Pixels,
5416 origin: gpui::Point<Pixels>,
5417 window: &mut Window,
5418 cx: &mut App,
5419 ) {
5420 let mut occlusion = div()
5421 .size_full()
5422 .occlude()
5423 .on_mouse_move(|_, _, cx| cx.stop_propagation())
5424 .into_any_element();
5425 occlusion.layout_as_root(size(width, HOVER_POPOVER_GAP).into(), window, cx);
5426 window.defer_draw(occlusion, origin, 2, None);
5427 }
5428
5429 fn place_popovers_above(
5430 hovered_point: gpui::Point<Pixels>,
5431 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5432 window: &mut Window,
5433 cx: &mut App,
5434 ) {
5435 let mut current_y = hovered_point.y;
5436 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5437 let size = popover.size;
5438 let popover_origin = point(
5439 hovered_point.x + popover.horizontal_offset,
5440 current_y - size.height,
5441 );
5442
5443 window.defer_draw(popover.element, popover_origin, 2, None);
5444 if position != itertools::Position::Last {
5445 let origin = point(popover_origin.x, popover_origin.y - HOVER_POPOVER_GAP);
5446 draw_occluder(size.width, origin, window, cx);
5447 }
5448
5449 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5450 }
5451 }
5452
5453 fn place_popovers_below(
5454 hovered_point: gpui::Point<Pixels>,
5455 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5456 line_height: Pixels,
5457 window: &mut Window,
5458 cx: &mut App,
5459 ) {
5460 let mut current_y = hovered_point.y + line_height;
5461 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5462 let size = popover.size;
5463 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5464
5465 window.defer_draw(popover.element, popover_origin, 2, None);
5466 if position != itertools::Position::Last {
5467 let origin = point(popover_origin.x, popover_origin.y + size.height);
5468 draw_occluder(size.width, origin, window, cx);
5469 }
5470
5471 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5472 }
5473 }
5474
5475 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5476 context_menu_layout
5477 .as_ref()
5478 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5479 };
5480
5481 let can_place_above = {
5482 let mut bounds_above = Vec::new();
5483 let mut current_y = hovered_point.y;
5484 for popover in &measured_hover_popovers {
5485 let size = popover.size;
5486 let popover_origin = point(
5487 hovered_point.x + popover.horizontal_offset,
5488 current_y - size.height,
5489 );
5490 bounds_above.push(Bounds::new(popover_origin, size));
5491 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5492 }
5493 bounds_above
5494 .iter()
5495 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5496 };
5497
5498 let can_place_below = || {
5499 let mut bounds_below = Vec::new();
5500 let mut current_y = hovered_point.y + line_height;
5501 for popover in &measured_hover_popovers {
5502 let size = popover.size;
5503 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5504 bounds_below.push(Bounds::new(popover_origin, size));
5505 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5506 }
5507 bounds_below
5508 .iter()
5509 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5510 };
5511
5512 if can_place_above {
5513 // try placing above hovered point
5514 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5515 } else if can_place_below() {
5516 // try placing below hovered point
5517 place_popovers_below(
5518 hovered_point,
5519 measured_hover_popovers,
5520 line_height,
5521 window,
5522 cx,
5523 );
5524 } else {
5525 // try to place popovers around the context menu
5526 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5527 let total_width = measured_hover_popovers
5528 .iter()
5529 .map(|p| p.size.width)
5530 .max()
5531 .unwrap_or(Pixels::ZERO);
5532 let y_for_horizontal_positioning = if menu.y_flipped {
5533 menu.bounds.bottom() - overall_height
5534 } else {
5535 menu.bounds.top()
5536 };
5537 let possible_origins = vec![
5538 // left of context menu
5539 point(
5540 menu.bounds.left() - total_width - HOVER_POPOVER_GAP,
5541 y_for_horizontal_positioning,
5542 ),
5543 // right of context menu
5544 point(
5545 menu.bounds.right() + HOVER_POPOVER_GAP,
5546 y_for_horizontal_positioning,
5547 ),
5548 // top of context menu
5549 point(
5550 menu.bounds.left(),
5551 menu.bounds.top() - overall_height - HOVER_POPOVER_GAP,
5552 ),
5553 // bottom of context menu
5554 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5555 ];
5556 possible_origins.into_iter().find(|&origin| {
5557 Bounds::new(origin, size(total_width, overall_height))
5558 .is_contained_within(hitbox)
5559 })
5560 });
5561 if let Some(origin) = origin_surrounding_menu {
5562 let mut current_y = origin.y;
5563 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5564 let size = popover.size;
5565 let popover_origin = point(origin.x, current_y);
5566
5567 window.defer_draw(popover.element, popover_origin, 2, None);
5568 if position != itertools::Position::Last {
5569 let origin = point(popover_origin.x, popover_origin.y + size.height);
5570 draw_occluder(size.width, origin, window, cx);
5571 }
5572
5573 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5574 }
5575 } else {
5576 // fallback to existing above/below cursor logic
5577 // this might overlap menu or overflow in rare case
5578 if can_place_above {
5579 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5580 } else {
5581 place_popovers_below(
5582 hovered_point,
5583 measured_hover_popovers,
5584 line_height,
5585 window,
5586 cx,
5587 );
5588 }
5589 }
5590 }
5591 }
5592
5593 fn layout_word_diff_highlights(
5594 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
5595 row_infos: &[RowInfo],
5596 start_row: DisplayRow,
5597 snapshot: &EditorSnapshot,
5598 highlighted_ranges: &mut Vec<(Range<DisplayPoint>, Hsla)>,
5599 cx: &mut App,
5600 ) {
5601 let colors = cx.theme().colors();
5602
5603 let word_highlights = display_hunks
5604 .into_iter()
5605 .filter_map(|(hunk, _)| match hunk {
5606 DisplayDiffHunk::Unfolded {
5607 word_diffs, status, ..
5608 } => Some((word_diffs, status)),
5609 _ => None,
5610 })
5611 .filter(|(_, status)| status.is_modified())
5612 .flat_map(|(word_diffs, _)| word_diffs)
5613 .flat_map(|word_diff| {
5614 let display_ranges = snapshot
5615 .display_snapshot
5616 .isomorphic_display_point_ranges_for_buffer_range(
5617 word_diff.start..word_diff.end,
5618 );
5619
5620 display_ranges.into_iter().filter_map(|range| {
5621 let start_row_offset = range.start.row().0.saturating_sub(start_row.0) as usize;
5622
5623 let diff_status = row_infos
5624 .get(start_row_offset)
5625 .and_then(|row_info| row_info.diff_status)?;
5626
5627 let background_color = match diff_status.kind {
5628 DiffHunkStatusKind::Added => colors.version_control_word_added,
5629 DiffHunkStatusKind::Deleted => colors.version_control_word_deleted,
5630 DiffHunkStatusKind::Modified => {
5631 debug_panic!("modified diff status for row info");
5632 return None;
5633 }
5634 };
5635
5636 Some((range, background_color))
5637 })
5638 });
5639
5640 highlighted_ranges.extend(word_highlights);
5641 }
5642
5643 fn layout_diff_hunk_controls(
5644 &self,
5645 row_range: Range<DisplayRow>,
5646 row_infos: &[RowInfo],
5647 text_hitbox: &Hitbox,
5648 newest_cursor_row: Option<DisplayRow>,
5649 line_height: Pixels,
5650 right_margin: Pixels,
5651 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5652 sticky_header_height: Pixels,
5653 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
5654 highlighted_rows: &BTreeMap<DisplayRow, LineHighlight>,
5655 editor: Entity<Editor>,
5656 window: &mut Window,
5657 cx: &mut App,
5658 ) -> (Vec<AnyElement>, Vec<(DisplayRow, Bounds<Pixels>)>) {
5659 let render_diff_hunk_controls = editor.read(cx).render_diff_hunk_controls.clone();
5660 let hovered_diff_hunk_row = editor.read(cx).hovered_diff_hunk_row;
5661 let sticky_top = text_hitbox.bounds.top() + sticky_header_height;
5662
5663 let mut controls = vec![];
5664 let mut control_bounds = vec![];
5665
5666 let active_rows = [hovered_diff_hunk_row, newest_cursor_row];
5667
5668 for (hunk, _) in display_hunks {
5669 if let DisplayDiffHunk::Unfolded {
5670 display_row_range,
5671 multi_buffer_range,
5672 status,
5673 is_created_file,
5674 ..
5675 } = &hunk
5676 {
5677 if display_row_range.start >= row_range.end {
5678 // hunk is fully below the viewport
5679 continue;
5680 }
5681 if display_row_range.end <= row_range.start {
5682 // hunk is fully above the viewport
5683 continue;
5684 }
5685 let row_ix = display_row_range.start.0.saturating_sub(row_range.start.0);
5686 if row_infos
5687 .get(row_ix as usize)
5688 .and_then(|row_info| row_info.diff_status)
5689 .is_none()
5690 {
5691 continue;
5692 }
5693 if highlighted_rows
5694 .get(&display_row_range.start)
5695 .and_then(|highlight| highlight.type_id)
5696 .is_some_and(|type_id| {
5697 [
5698 TypeId::of::<ConflictsOuter>(),
5699 TypeId::of::<ConflictsOursMarker>(),
5700 TypeId::of::<ConflictsOurs>(),
5701 TypeId::of::<ConflictsTheirs>(),
5702 TypeId::of::<ConflictsTheirsMarker>(),
5703 ]
5704 .contains(&type_id)
5705 })
5706 {
5707 continue;
5708 }
5709
5710 if active_rows
5711 .iter()
5712 .any(|row| row.is_some_and(|row| display_row_range.contains(&row)))
5713 {
5714 let hunk_start_y: Pixels = (display_row_range.start.as_f64()
5715 * ScrollPixelOffset::from(line_height)
5716 + ScrollPixelOffset::from(text_hitbox.bounds.top())
5717 - scroll_pixel_position.y)
5718 .into();
5719
5720 let y: Pixels = if hunk_start_y >= sticky_top {
5721 hunk_start_y
5722 } else {
5723 let hunk_end_y: Pixels = hunk_start_y
5724 + (display_row_range.len() as f64
5725 * ScrollPixelOffset::from(line_height))
5726 .into();
5727 let max_y = hunk_end_y - line_height;
5728 sticky_top.min(max_y)
5729 };
5730
5731 let mut element = render_diff_hunk_controls(
5732 display_row_range.start.0,
5733 status,
5734 multi_buffer_range.clone(),
5735 *is_created_file,
5736 line_height,
5737 &editor,
5738 window,
5739 cx,
5740 );
5741 let size =
5742 element.layout_as_root(size(px(100.0), line_height).into(), window, cx);
5743
5744 let x = text_hitbox.bounds.right() - right_margin - px(10.) - size.width;
5745
5746 if x < text_hitbox.bounds.left() {
5747 continue;
5748 }
5749
5750 let bounds = Bounds::new(gpui::Point::new(x, y), size);
5751 control_bounds.push((display_row_range.start, bounds));
5752
5753 window.with_absolute_element_offset(gpui::Point::new(x, y), |window| {
5754 element.prepaint(window, cx)
5755 });
5756 controls.push(element);
5757 }
5758 }
5759 }
5760
5761 (controls, control_bounds)
5762 }
5763
5764 fn layout_signature_help(
5765 &self,
5766 hitbox: &Hitbox,
5767 content_origin: gpui::Point<Pixels>,
5768 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5769 newest_selection_head: Option<DisplayPoint>,
5770 start_row: DisplayRow,
5771 line_layouts: &[LineWithInvisibles],
5772 line_height: Pixels,
5773 em_width: Pixels,
5774 context_menu_layout: Option<ContextMenuLayout>,
5775 window: &mut Window,
5776 cx: &mut App,
5777 ) {
5778 if !self.editor.focus_handle(cx).is_focused(window) {
5779 return;
5780 }
5781 let Some(newest_selection_head) = newest_selection_head else {
5782 return;
5783 };
5784
5785 let max_size = size(
5786 (120. * em_width) // Default size
5787 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5788 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5789 (16. * line_height) // Default size
5790 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5791 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5792 );
5793
5794 let maybe_element = self.editor.update(cx, |editor, cx| {
5795 if let Some(popover) = editor.signature_help_state.popover_mut() {
5796 let element = popover.render(max_size, window, cx);
5797 Some(element)
5798 } else {
5799 None
5800 }
5801 });
5802 let Some(mut element) = maybe_element else {
5803 return;
5804 };
5805
5806 let selection_row = newest_selection_head.row();
5807 let Some(cursor_row_layout) = (selection_row >= start_row)
5808 .then(|| line_layouts.get(selection_row.minus(start_row) as usize))
5809 .flatten()
5810 else {
5811 return;
5812 };
5813
5814 let target_x = cursor_row_layout.x_for_index(newest_selection_head.column() as usize)
5815 - Pixels::from(scroll_pixel_position.x);
5816 let target_y = Pixels::from(
5817 selection_row.as_f64() * ScrollPixelOffset::from(line_height) - scroll_pixel_position.y,
5818 );
5819 let target_point = content_origin + point(target_x, target_y);
5820
5821 let actual_size = element.layout_as_root(Size::<AvailableSpace>::default(), window, cx);
5822
5823 let (popover_bounds_above, popover_bounds_below) = {
5824 let horizontal_offset = (hitbox.top_right().x
5825 - POPOVER_RIGHT_OFFSET
5826 - (target_point.x + actual_size.width))
5827 .min(Pixels::ZERO);
5828 let initial_x = target_point.x + horizontal_offset;
5829 (
5830 Bounds::new(
5831 point(initial_x, target_point.y - actual_size.height),
5832 actual_size,
5833 ),
5834 Bounds::new(
5835 point(initial_x, target_point.y + line_height + HOVER_POPOVER_GAP),
5836 actual_size,
5837 ),
5838 )
5839 };
5840
5841 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5842 context_menu_layout
5843 .as_ref()
5844 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5845 };
5846
5847 let final_origin = if popover_bounds_above.is_contained_within(hitbox)
5848 && !intersects_menu(popover_bounds_above)
5849 {
5850 // try placing above cursor
5851 popover_bounds_above.origin
5852 } else if popover_bounds_below.is_contained_within(hitbox)
5853 && !intersects_menu(popover_bounds_below)
5854 {
5855 // try placing below cursor
5856 popover_bounds_below.origin
5857 } else {
5858 // try surrounding context menu if exists
5859 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5860 let y_for_horizontal_positioning = if menu.y_flipped {
5861 menu.bounds.bottom() - actual_size.height
5862 } else {
5863 menu.bounds.top()
5864 };
5865 let possible_origins = vec![
5866 // left of context menu
5867 point(
5868 menu.bounds.left() - actual_size.width - HOVER_POPOVER_GAP,
5869 y_for_horizontal_positioning,
5870 ),
5871 // right of context menu
5872 point(
5873 menu.bounds.right() + HOVER_POPOVER_GAP,
5874 y_for_horizontal_positioning,
5875 ),
5876 // top of context menu
5877 point(
5878 menu.bounds.left(),
5879 menu.bounds.top() - actual_size.height - HOVER_POPOVER_GAP,
5880 ),
5881 // bottom of context menu
5882 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5883 ];
5884 possible_origins
5885 .into_iter()
5886 .find(|&origin| Bounds::new(origin, actual_size).is_contained_within(hitbox))
5887 });
5888 origin_surrounding_menu.unwrap_or_else(|| {
5889 // fallback to existing above/below cursor logic
5890 // this might overlap menu or overflow in rare case
5891 if popover_bounds_above.is_contained_within(hitbox) {
5892 popover_bounds_above.origin
5893 } else {
5894 popover_bounds_below.origin
5895 }
5896 })
5897 };
5898
5899 window.defer_draw(element, final_origin, 2, None);
5900 }
5901
5902 fn paint_background(&self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
5903 window.paint_layer(layout.hitbox.bounds, |window| {
5904 let scroll_top = layout.position_map.snapshot.scroll_position().y;
5905 let gutter_bg = cx.theme().colors().editor_gutter_background;
5906 window.paint_quad(fill(layout.gutter_hitbox.bounds, gutter_bg));
5907 window.paint_quad(fill(
5908 layout.position_map.text_hitbox.bounds,
5909 self.style.background,
5910 ));
5911
5912 if matches!(
5913 layout.mode,
5914 EditorMode::Full { .. } | EditorMode::Minimap { .. }
5915 ) {
5916 let show_active_line_background = match layout.mode {
5917 EditorMode::Full {
5918 show_active_line_background,
5919 ..
5920 } => show_active_line_background,
5921 EditorMode::Minimap { .. } => true,
5922 _ => false,
5923 };
5924 let mut active_rows = layout.active_rows.iter().peekable();
5925 while let Some((start_row, contains_non_empty_selection)) = active_rows.next() {
5926 let mut end_row = start_row.0;
5927 while active_rows
5928 .peek()
5929 .is_some_and(|(active_row, has_selection)| {
5930 active_row.0 == end_row + 1
5931 && has_selection.selection == contains_non_empty_selection.selection
5932 })
5933 {
5934 active_rows.next().unwrap();
5935 end_row += 1;
5936 }
5937
5938 if show_active_line_background && !contains_non_empty_selection.selection {
5939 let highlight_h_range =
5940 match layout.position_map.snapshot.current_line_highlight {
5941 CurrentLineHighlight::Gutter => Some(Range {
5942 start: layout.hitbox.left(),
5943 end: layout.gutter_hitbox.right(),
5944 }),
5945 CurrentLineHighlight::Line => Some(Range {
5946 start: layout.position_map.text_hitbox.bounds.left(),
5947 end: layout.position_map.text_hitbox.bounds.right(),
5948 }),
5949 CurrentLineHighlight::All => Some(Range {
5950 start: layout.hitbox.left(),
5951 end: layout.hitbox.right(),
5952 }),
5953 CurrentLineHighlight::None => None,
5954 };
5955 if let Some(range) = highlight_h_range {
5956 let active_line_bg = cx.theme().colors().editor_active_line_background;
5957 let bounds = Bounds {
5958 origin: point(
5959 range.start,
5960 layout.hitbox.origin.y
5961 + Pixels::from(
5962 (start_row.as_f64() - scroll_top)
5963 * ScrollPixelOffset::from(
5964 layout.position_map.line_height,
5965 ),
5966 ),
5967 ),
5968 size: size(
5969 range.end - range.start,
5970 layout.position_map.line_height
5971 * (end_row - start_row.0 + 1) as f32,
5972 ),
5973 };
5974 window.paint_quad(fill(bounds, active_line_bg));
5975 }
5976 }
5977 }
5978
5979 let mut paint_highlight = |highlight_row_start: DisplayRow,
5980 highlight_row_end: DisplayRow,
5981 highlight: crate::LineHighlight,
5982 edges| {
5983 let mut origin_x = layout.hitbox.left();
5984 let mut width = layout.hitbox.size.width;
5985 if !highlight.include_gutter {
5986 origin_x += layout.gutter_hitbox.size.width;
5987 width -= layout.gutter_hitbox.size.width;
5988 }
5989
5990 let origin = point(
5991 origin_x,
5992 layout.hitbox.origin.y
5993 + Pixels::from(
5994 (highlight_row_start.as_f64() - scroll_top)
5995 * ScrollPixelOffset::from(layout.position_map.line_height),
5996 ),
5997 );
5998 let size = size(
5999 width,
6000 layout.position_map.line_height
6001 * highlight_row_end.next_row().minus(highlight_row_start) as f32,
6002 );
6003 let mut quad = fill(Bounds { origin, size }, highlight.background);
6004 if let Some(border_color) = highlight.border {
6005 quad.border_color = border_color;
6006 quad.border_widths = edges
6007 }
6008 window.paint_quad(quad);
6009 };
6010
6011 let mut current_paint: Option<(LineHighlight, Range<DisplayRow>, Edges<Pixels>)> =
6012 None;
6013 for (&new_row, &new_background) in &layout.highlighted_rows {
6014 match &mut current_paint {
6015 &mut Some((current_background, ref mut current_range, mut edges)) => {
6016 let new_range_started = current_background != new_background
6017 || current_range.end.next_row() != new_row;
6018 if new_range_started {
6019 if current_range.end.next_row() == new_row {
6020 edges.bottom = px(0.);
6021 };
6022 paint_highlight(
6023 current_range.start,
6024 current_range.end,
6025 current_background,
6026 edges,
6027 );
6028 let edges = Edges {
6029 top: if current_range.end.next_row() != new_row {
6030 px(1.)
6031 } else {
6032 px(0.)
6033 },
6034 bottom: px(1.),
6035 ..Default::default()
6036 };
6037 current_paint = Some((new_background, new_row..new_row, edges));
6038 continue;
6039 } else {
6040 current_range.end = current_range.end.next_row();
6041 }
6042 }
6043 None => {
6044 let edges = Edges {
6045 top: px(1.),
6046 bottom: px(1.),
6047 ..Default::default()
6048 };
6049 current_paint = Some((new_background, new_row..new_row, edges))
6050 }
6051 };
6052 }
6053 if let Some((color, range, edges)) = current_paint {
6054 paint_highlight(range.start, range.end, color, edges);
6055 }
6056
6057 for (guide_x, active) in layout.wrap_guides.iter() {
6058 let color = if *active {
6059 cx.theme().colors().editor_active_wrap_guide
6060 } else {
6061 cx.theme().colors().editor_wrap_guide
6062 };
6063 window.paint_quad(fill(
6064 Bounds {
6065 origin: point(*guide_x, layout.position_map.text_hitbox.origin.y),
6066 size: size(px(1.), layout.position_map.text_hitbox.size.height),
6067 },
6068 color,
6069 ));
6070 }
6071 }
6072 })
6073 }
6074
6075 fn paint_indent_guides(
6076 &mut self,
6077 layout: &mut EditorLayout,
6078 window: &mut Window,
6079 cx: &mut App,
6080 ) {
6081 let Some(indent_guides) = &layout.indent_guides else {
6082 return;
6083 };
6084
6085 let faded_color = |color: Hsla, alpha: f32| {
6086 let mut faded = color;
6087 faded.a = alpha;
6088 faded
6089 };
6090
6091 for indent_guide in indent_guides {
6092 let indent_accent_colors = cx.theme().accents().color_for_index(indent_guide.depth);
6093 let settings = &indent_guide.settings;
6094
6095 // TODO fixed for now, expose them through themes later
6096 const INDENT_AWARE_ALPHA: f32 = 0.2;
6097 const INDENT_AWARE_ACTIVE_ALPHA: f32 = 0.4;
6098 const INDENT_AWARE_BACKGROUND_ALPHA: f32 = 0.1;
6099 const INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA: f32 = 0.2;
6100
6101 let line_color = match (settings.coloring, indent_guide.active) {
6102 (IndentGuideColoring::Disabled, _) => None,
6103 (IndentGuideColoring::Fixed, false) => {
6104 Some(cx.theme().colors().editor_indent_guide)
6105 }
6106 (IndentGuideColoring::Fixed, true) => {
6107 Some(cx.theme().colors().editor_indent_guide_active)
6108 }
6109 (IndentGuideColoring::IndentAware, false) => {
6110 Some(faded_color(indent_accent_colors, INDENT_AWARE_ALPHA))
6111 }
6112 (IndentGuideColoring::IndentAware, true) => {
6113 Some(faded_color(indent_accent_colors, INDENT_AWARE_ACTIVE_ALPHA))
6114 }
6115 };
6116
6117 let background_color = match (settings.background_coloring, indent_guide.active) {
6118 (IndentGuideBackgroundColoring::Disabled, _) => None,
6119 (IndentGuideBackgroundColoring::IndentAware, false) => Some(faded_color(
6120 indent_accent_colors,
6121 INDENT_AWARE_BACKGROUND_ALPHA,
6122 )),
6123 (IndentGuideBackgroundColoring::IndentAware, true) => Some(faded_color(
6124 indent_accent_colors,
6125 INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA,
6126 )),
6127 };
6128
6129 let mut line_indicator_width = 0.;
6130 if let Some(requested_line_width) = settings.visible_line_width(indent_guide.active) {
6131 if let Some(color) = line_color {
6132 window.paint_quad(fill(
6133 Bounds {
6134 origin: indent_guide.origin,
6135 size: size(px(requested_line_width as f32), indent_guide.length),
6136 },
6137 color,
6138 ));
6139 line_indicator_width = requested_line_width as f32;
6140 }
6141 }
6142
6143 if let Some(color) = background_color {
6144 let width = indent_guide.single_indent_width - px(line_indicator_width);
6145 window.paint_quad(fill(
6146 Bounds {
6147 origin: point(
6148 indent_guide.origin.x + px(line_indicator_width),
6149 indent_guide.origin.y,
6150 ),
6151 size: size(width, indent_guide.length),
6152 },
6153 color,
6154 ));
6155 }
6156 }
6157 }
6158
6159 fn paint_line_numbers(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6160 let is_singleton = self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
6161
6162 let line_height = layout.position_map.line_height;
6163 window.set_cursor_style(CursorStyle::Arrow, &layout.gutter_hitbox);
6164
6165 for line_layout in layout.line_numbers.values() {
6166 for LineNumberSegment {
6167 shaped_line,
6168 hitbox,
6169 } in &line_layout.segments
6170 {
6171 let Some(hitbox) = hitbox else {
6172 continue;
6173 };
6174
6175 let Some(()) = (if !is_singleton && hitbox.is_hovered(window) {
6176 let color = cx.theme().colors().editor_hover_line_number;
6177
6178 let line = self.shape_line_number(shaped_line.text.clone(), color, window);
6179 line.paint(
6180 hitbox.origin,
6181 line_height,
6182 TextAlign::Left,
6183 None,
6184 window,
6185 cx,
6186 )
6187 .log_err()
6188 } else {
6189 shaped_line
6190 .paint(
6191 hitbox.origin,
6192 line_height,
6193 TextAlign::Left,
6194 None,
6195 window,
6196 cx,
6197 )
6198 .log_err()
6199 }) else {
6200 continue;
6201 };
6202
6203 // In singleton buffers, we select corresponding lines on the line number click, so use | -like cursor.
6204 // In multi buffers, we open file at the line number clicked, so use a pointing hand cursor.
6205 if is_singleton {
6206 window.set_cursor_style(CursorStyle::IBeam, hitbox);
6207 } else {
6208 window.set_cursor_style(CursorStyle::PointingHand, hitbox);
6209 }
6210 }
6211 }
6212 }
6213
6214 fn paint_gutter_diff_hunks(
6215 layout: &mut EditorLayout,
6216 split_side: Option<SplitSide>,
6217 window: &mut Window,
6218 cx: &mut App,
6219 ) {
6220 if layout.display_hunks.is_empty() {
6221 return;
6222 }
6223
6224 let line_height = layout.position_map.line_height;
6225 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6226 for (hunk, hitbox) in &layout.display_hunks {
6227 let hunk_to_paint = match hunk {
6228 DisplayDiffHunk::Folded { .. } => {
6229 let hunk_bounds = Self::diff_hunk_bounds(
6230 &layout.position_map.snapshot,
6231 line_height,
6232 layout.gutter_hitbox.bounds,
6233 hunk,
6234 );
6235 Some((
6236 hunk_bounds,
6237 cx.theme().colors().version_control_modified,
6238 Corners::all(px(0.)),
6239 DiffHunkStatus::modified_none(),
6240 ))
6241 }
6242 DisplayDiffHunk::Unfolded {
6243 status,
6244 display_row_range,
6245 ..
6246 } => hitbox.as_ref().map(|hunk_hitbox| {
6247 let color = match split_side {
6248 Some(SplitSide::Left) => cx.theme().colors().version_control_deleted,
6249 Some(SplitSide::Right) => cx.theme().colors().version_control_added,
6250 None => match status.kind {
6251 DiffHunkStatusKind::Added => {
6252 cx.theme().colors().version_control_added
6253 }
6254 DiffHunkStatusKind::Modified => {
6255 cx.theme().colors().version_control_modified
6256 }
6257 DiffHunkStatusKind::Deleted => {
6258 cx.theme().colors().version_control_deleted
6259 }
6260 },
6261 };
6262 match status.kind {
6263 DiffHunkStatusKind::Deleted if display_row_range.is_empty() => (
6264 Bounds::new(
6265 point(
6266 hunk_hitbox.origin.x - hunk_hitbox.size.width,
6267 hunk_hitbox.origin.y,
6268 ),
6269 size(hunk_hitbox.size.width * 2., hunk_hitbox.size.height),
6270 ),
6271 color,
6272 Corners::all(1. * line_height),
6273 *status,
6274 ),
6275 _ => (hunk_hitbox.bounds, color, Corners::all(px(0.)), *status),
6276 }
6277 }),
6278 };
6279
6280 if let Some((hunk_bounds, background_color, corner_radii, status)) = hunk_to_paint {
6281 // Flatten the background color with the editor color to prevent
6282 // elements below transparent hunks from showing through
6283 let flattened_background_color = cx
6284 .theme()
6285 .colors()
6286 .editor_background
6287 .blend(background_color);
6288
6289 if !Self::diff_hunk_hollow(status, cx) {
6290 window.paint_quad(quad(
6291 hunk_bounds,
6292 corner_radii,
6293 flattened_background_color,
6294 Edges::default(),
6295 transparent_black(),
6296 BorderStyle::default(),
6297 ));
6298 } else {
6299 let flattened_unstaged_background_color = cx
6300 .theme()
6301 .colors()
6302 .editor_background
6303 .blend(background_color.opacity(0.3));
6304
6305 window.paint_quad(quad(
6306 hunk_bounds,
6307 corner_radii,
6308 flattened_unstaged_background_color,
6309 Edges::all(px(1.0)),
6310 flattened_background_color,
6311 BorderStyle::Solid,
6312 ));
6313 }
6314 }
6315 }
6316 });
6317 }
6318
6319 fn gutter_strip_width(line_height: Pixels) -> Pixels {
6320 (0.275 * line_height).floor()
6321 }
6322
6323 fn diff_hunk_bounds(
6324 snapshot: &EditorSnapshot,
6325 line_height: Pixels,
6326 gutter_bounds: Bounds<Pixels>,
6327 hunk: &DisplayDiffHunk,
6328 ) -> Bounds<Pixels> {
6329 let scroll_position = snapshot.scroll_position();
6330 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
6331 let gutter_strip_width = Self::gutter_strip_width(line_height);
6332
6333 match hunk {
6334 DisplayDiffHunk::Folded { display_row, .. } => {
6335 let start_y = (display_row.as_f64() * ScrollPixelOffset::from(line_height)
6336 - scroll_top)
6337 .into();
6338 let end_y = start_y + line_height;
6339 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6340 let highlight_size = size(gutter_strip_width, end_y - start_y);
6341 Bounds::new(highlight_origin, highlight_size)
6342 }
6343 DisplayDiffHunk::Unfolded {
6344 display_row_range,
6345 status,
6346 ..
6347 } => {
6348 if status.is_deleted() && display_row_range.is_empty() {
6349 let row = display_row_range.start;
6350
6351 let offset = ScrollPixelOffset::from(line_height / 2.);
6352 let start_y =
6353 (row.as_f64() * ScrollPixelOffset::from(line_height) - offset - scroll_top)
6354 .into();
6355 let end_y = start_y + line_height;
6356
6357 let width = (0.35 * line_height).floor();
6358 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6359 let highlight_size = size(width, end_y - start_y);
6360 Bounds::new(highlight_origin, highlight_size)
6361 } else {
6362 let start_row = display_row_range.start;
6363 let end_row = display_row_range.end;
6364 // If we're in a multibuffer, row range span might include an
6365 // excerpt header, so if we were to draw the marker straight away,
6366 // the hunk might include the rows of that header.
6367 // Making the range inclusive doesn't quite cut it, as we rely on the exclusivity for the soft wrap.
6368 // Instead, we simply check whether the range we're dealing with includes
6369 // any excerpt headers and if so, we stop painting the diff hunk on the first row of that header.
6370 let end_row_in_current_excerpt = snapshot
6371 .blocks_in_range(start_row..end_row)
6372 .find_map(|(start_row, block)| {
6373 if matches!(
6374 block,
6375 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
6376 ) {
6377 Some(start_row)
6378 } else {
6379 None
6380 }
6381 })
6382 .unwrap_or(end_row);
6383
6384 let start_y = (start_row.as_f64() * ScrollPixelOffset::from(line_height)
6385 - scroll_top)
6386 .into();
6387 let end_y = Pixels::from(
6388 end_row_in_current_excerpt.as_f64() * ScrollPixelOffset::from(line_height)
6389 - scroll_top,
6390 );
6391
6392 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6393 let highlight_size = size(gutter_strip_width, end_y - start_y);
6394 Bounds::new(highlight_origin, highlight_size)
6395 }
6396 }
6397 }
6398 }
6399
6400 fn paint_gutter_indicators(
6401 &self,
6402 layout: &mut EditorLayout,
6403 window: &mut Window,
6404 cx: &mut App,
6405 ) {
6406 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6407 window.with_element_namespace("crease_toggles", |window| {
6408 for crease_toggle in layout.crease_toggles.iter_mut().flatten() {
6409 crease_toggle.paint(window, cx);
6410 }
6411 });
6412
6413 window.with_element_namespace("expand_toggles", |window| {
6414 for (expand_toggle, _) in layout.expand_toggles.iter_mut().flatten() {
6415 expand_toggle.paint(window, cx);
6416 }
6417 });
6418
6419 for breakpoint in layout.breakpoints.iter_mut() {
6420 breakpoint.paint(window, cx);
6421 }
6422
6423 for test_indicator in layout.test_indicators.iter_mut() {
6424 test_indicator.paint(window, cx);
6425 }
6426
6427 if let Some(diff_review_button) = layout.diff_review_button.as_mut() {
6428 diff_review_button.paint(window, cx);
6429 }
6430 });
6431 }
6432
6433 fn paint_gutter_highlights(
6434 &self,
6435 layout: &mut EditorLayout,
6436 window: &mut Window,
6437 cx: &mut App,
6438 ) {
6439 for (_, hunk_hitbox) in &layout.display_hunks {
6440 if let Some(hunk_hitbox) = hunk_hitbox
6441 && !self
6442 .editor
6443 .read(cx)
6444 .buffer()
6445 .read(cx)
6446 .all_diff_hunks_expanded()
6447 {
6448 window.set_cursor_style(CursorStyle::PointingHand, hunk_hitbox);
6449 }
6450 }
6451
6452 let show_git_gutter = layout
6453 .position_map
6454 .snapshot
6455 .show_git_diff_gutter
6456 .unwrap_or_else(|| {
6457 matches!(
6458 ProjectSettings::get_global(cx).git.git_gutter,
6459 GitGutterSetting::TrackedFiles
6460 )
6461 });
6462 if show_git_gutter {
6463 Self::paint_gutter_diff_hunks(layout, self.split_side, window, cx)
6464 }
6465
6466 let highlight_width = 0.275 * layout.position_map.line_height;
6467 let highlight_corner_radii = Corners::all(0.05 * layout.position_map.line_height);
6468 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6469 for (range, color) in &layout.highlighted_gutter_ranges {
6470 let start_row = if range.start.row() < layout.visible_display_row_range.start {
6471 layout.visible_display_row_range.start - DisplayRow(1)
6472 } else {
6473 range.start.row()
6474 };
6475 let end_row = if range.end.row() > layout.visible_display_row_range.end {
6476 layout.visible_display_row_range.end + DisplayRow(1)
6477 } else {
6478 range.end.row()
6479 };
6480
6481 let start_y = layout.gutter_hitbox.top()
6482 + Pixels::from(
6483 start_row.0 as f64
6484 * ScrollPixelOffset::from(layout.position_map.line_height)
6485 - layout.position_map.scroll_pixel_position.y,
6486 );
6487 let end_y = layout.gutter_hitbox.top()
6488 + Pixels::from(
6489 (end_row.0 + 1) as f64
6490 * ScrollPixelOffset::from(layout.position_map.line_height)
6491 - layout.position_map.scroll_pixel_position.y,
6492 );
6493 let bounds = Bounds::from_corners(
6494 point(layout.gutter_hitbox.left(), start_y),
6495 point(layout.gutter_hitbox.left() + highlight_width, end_y),
6496 );
6497 window.paint_quad(fill(bounds, *color).corner_radii(highlight_corner_radii));
6498 }
6499 });
6500 }
6501
6502 fn paint_blamed_display_rows(
6503 &self,
6504 layout: &mut EditorLayout,
6505 window: &mut Window,
6506 cx: &mut App,
6507 ) {
6508 let Some(blamed_display_rows) = layout.blamed_display_rows.take() else {
6509 return;
6510 };
6511
6512 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6513 for mut blame_element in blamed_display_rows.into_iter() {
6514 blame_element.paint(window, cx);
6515 }
6516 })
6517 }
6518
6519 fn paint_text(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6520 window.with_content_mask(
6521 Some(ContentMask {
6522 bounds: layout.position_map.text_hitbox.bounds,
6523 }),
6524 |window| {
6525 let editor = self.editor.read(cx);
6526 if editor.mouse_cursor_hidden {
6527 window.set_window_cursor_style(CursorStyle::None);
6528 } else if let SelectionDragState::ReadyToDrag {
6529 mouse_down_time, ..
6530 } = &editor.selection_drag_state
6531 {
6532 let drag_and_drop_delay = Duration::from_millis(
6533 EditorSettings::get_global(cx)
6534 .drag_and_drop_selection
6535 .delay
6536 .0,
6537 );
6538 if mouse_down_time.elapsed() >= drag_and_drop_delay {
6539 window.set_cursor_style(
6540 CursorStyle::DragCopy,
6541 &layout.position_map.text_hitbox,
6542 );
6543 }
6544 } else if matches!(
6545 editor.selection_drag_state,
6546 SelectionDragState::Dragging { .. }
6547 ) {
6548 window
6549 .set_cursor_style(CursorStyle::DragCopy, &layout.position_map.text_hitbox);
6550 } else if editor
6551 .hovered_link_state
6552 .as_ref()
6553 .is_some_and(|hovered_link_state| !hovered_link_state.links.is_empty())
6554 {
6555 window.set_cursor_style(
6556 CursorStyle::PointingHand,
6557 &layout.position_map.text_hitbox,
6558 );
6559 } else {
6560 window.set_cursor_style(CursorStyle::IBeam, &layout.position_map.text_hitbox);
6561 };
6562
6563 self.paint_lines_background(layout, window, cx);
6564 let invisible_display_ranges = self.paint_highlights(layout, window, cx);
6565 self.paint_document_colors(layout, window);
6566 self.paint_lines(&invisible_display_ranges, layout, window, cx);
6567 self.paint_redactions(layout, window);
6568 self.paint_cursors(layout, window, cx);
6569 self.paint_inline_diagnostics(layout, window, cx);
6570 self.paint_inline_blame(layout, window, cx);
6571 self.paint_inline_code_actions(layout, window, cx);
6572 self.paint_diff_hunk_controls(layout, window, cx);
6573 window.with_element_namespace("crease_trailers", |window| {
6574 for trailer in layout.crease_trailers.iter_mut().flatten() {
6575 trailer.element.paint(window, cx);
6576 }
6577 });
6578 },
6579 )
6580 }
6581
6582 fn paint_highlights(
6583 &mut self,
6584 layout: &mut EditorLayout,
6585 window: &mut Window,
6586 cx: &mut App,
6587 ) -> SmallVec<[Range<DisplayPoint>; 32]> {
6588 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6589 let mut invisible_display_ranges = SmallVec::<[Range<DisplayPoint>; 32]>::new();
6590 let line_end_overshoot = 0.15 * layout.position_map.line_height;
6591 for (range, color) in &layout.highlighted_ranges {
6592 self.paint_highlighted_range(
6593 range.clone(),
6594 true,
6595 *color,
6596 Pixels::ZERO,
6597 line_end_overshoot,
6598 layout,
6599 window,
6600 );
6601 }
6602
6603 let corner_radius = if EditorSettings::get_global(cx).rounded_selection {
6604 0.15 * layout.position_map.line_height
6605 } else {
6606 Pixels::ZERO
6607 };
6608
6609 for (player_color, selections) in &layout.selections {
6610 for selection in selections.iter() {
6611 self.paint_highlighted_range(
6612 selection.range.clone(),
6613 true,
6614 player_color.selection,
6615 corner_radius,
6616 corner_radius * 2.,
6617 layout,
6618 window,
6619 );
6620
6621 if selection.is_local && !selection.range.is_empty() {
6622 invisible_display_ranges.push(selection.range.clone());
6623 }
6624 }
6625 }
6626 invisible_display_ranges
6627 })
6628 }
6629
6630 fn paint_lines(
6631 &mut self,
6632 invisible_display_ranges: &[Range<DisplayPoint>],
6633 layout: &mut EditorLayout,
6634 window: &mut Window,
6635 cx: &mut App,
6636 ) {
6637 let whitespace_setting = self
6638 .editor
6639 .read(cx)
6640 .buffer
6641 .read(cx)
6642 .language_settings(cx)
6643 .show_whitespaces;
6644
6645 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6646 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6647 line_with_invisibles.draw(
6648 layout,
6649 row,
6650 layout.content_origin,
6651 whitespace_setting,
6652 invisible_display_ranges,
6653 window,
6654 cx,
6655 )
6656 }
6657
6658 for line_element in &mut layout.line_elements {
6659 line_element.paint(window, cx);
6660 }
6661 }
6662
6663 fn paint_sticky_headers(
6664 &mut self,
6665 layout: &mut EditorLayout,
6666 window: &mut Window,
6667 cx: &mut App,
6668 ) {
6669 let Some(mut sticky_headers) = layout.sticky_headers.take() else {
6670 return;
6671 };
6672
6673 if sticky_headers.lines.is_empty() {
6674 layout.sticky_headers = Some(sticky_headers);
6675 return;
6676 }
6677
6678 let whitespace_setting = self
6679 .editor
6680 .read(cx)
6681 .buffer
6682 .read(cx)
6683 .language_settings(cx)
6684 .show_whitespaces;
6685 sticky_headers.paint(layout, whitespace_setting, window, cx);
6686
6687 let sticky_header_hitboxes: Vec<Hitbox> = sticky_headers
6688 .lines
6689 .iter()
6690 .map(|line| line.hitbox.clone())
6691 .collect();
6692 let hovered_hitbox = sticky_header_hitboxes
6693 .iter()
6694 .find_map(|hitbox| hitbox.is_hovered(window).then_some(hitbox.id));
6695
6696 window.on_mouse_event(move |_: &MouseMoveEvent, phase, window, _cx| {
6697 if !phase.bubble() {
6698 return;
6699 }
6700
6701 let current_hover = sticky_header_hitboxes
6702 .iter()
6703 .find_map(|hitbox| hitbox.is_hovered(window).then_some(hitbox.id));
6704 if hovered_hitbox != current_hover {
6705 window.refresh();
6706 }
6707 });
6708
6709 let position_map = layout.position_map.clone();
6710
6711 for (line_index, line) in sticky_headers.lines.iter().enumerate() {
6712 let editor = self.editor.clone();
6713 let hitbox = line.hitbox.clone();
6714 let row = line.row;
6715 let line_layout = line.line.clone();
6716 let position_map = position_map.clone();
6717 window.on_mouse_event(move |event: &MouseDownEvent, phase, window, cx| {
6718 if !phase.bubble() {
6719 return;
6720 }
6721
6722 if event.button == MouseButton::Left && hitbox.is_hovered(window) {
6723 let point_for_position =
6724 position_map.point_for_position_on_line(event.position, row, &line_layout);
6725
6726 editor.update(cx, |editor, cx| {
6727 let snapshot = editor.snapshot(window, cx);
6728 let anchor = snapshot
6729 .display_snapshot
6730 .display_point_to_anchor(point_for_position.previous_valid, Bias::Left);
6731 editor.change_selections(
6732 SelectionEffects::scroll(Autoscroll::top_relative(line_index)),
6733 window,
6734 cx,
6735 |selections| {
6736 selections.clear_disjoint();
6737 selections.set_pending_anchor_range(
6738 anchor..anchor,
6739 crate::SelectMode::Character,
6740 );
6741 },
6742 );
6743 cx.stop_propagation();
6744 });
6745 }
6746 });
6747 }
6748
6749 let text_bounds = layout.position_map.text_hitbox.bounds;
6750 let border_top = text_bounds.top()
6751 + sticky_headers.lines.last().unwrap().offset
6752 + layout.position_map.line_height;
6753 let separator_height = px(1.);
6754 let border_bounds = Bounds::from_corners(
6755 point(layout.gutter_hitbox.bounds.left(), border_top),
6756 point(text_bounds.right(), border_top + separator_height),
6757 );
6758 window.paint_quad(fill(border_bounds, cx.theme().colors().border_variant));
6759
6760 layout.sticky_headers = Some(sticky_headers);
6761 }
6762
6763 fn paint_lines_background(
6764 &mut self,
6765 layout: &mut EditorLayout,
6766 window: &mut Window,
6767 cx: &mut App,
6768 ) {
6769 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6770 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6771 line_with_invisibles.draw_background(layout, row, layout.content_origin, window, cx);
6772 }
6773 }
6774
6775 fn paint_redactions(&mut self, layout: &EditorLayout, window: &mut Window) {
6776 if layout.redacted_ranges.is_empty() {
6777 return;
6778 }
6779
6780 let line_end_overshoot = layout.line_end_overshoot();
6781
6782 // A softer than perfect black
6783 let redaction_color = gpui::rgb(0x0e1111);
6784
6785 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6786 for range in layout.redacted_ranges.iter() {
6787 self.paint_highlighted_range(
6788 range.clone(),
6789 true,
6790 redaction_color.into(),
6791 Pixels::ZERO,
6792 line_end_overshoot,
6793 layout,
6794 window,
6795 );
6796 }
6797 });
6798 }
6799
6800 fn paint_document_colors(&self, layout: &mut EditorLayout, window: &mut Window) {
6801 let Some((colors_render_mode, image_colors)) = &layout.document_colors else {
6802 return;
6803 };
6804 if image_colors.is_empty()
6805 || colors_render_mode == &DocumentColorsRenderMode::None
6806 || colors_render_mode == &DocumentColorsRenderMode::Inlay
6807 {
6808 return;
6809 }
6810
6811 let line_end_overshoot = layout.line_end_overshoot();
6812
6813 for (range, color) in image_colors {
6814 match colors_render_mode {
6815 DocumentColorsRenderMode::Inlay | DocumentColorsRenderMode::None => return,
6816 DocumentColorsRenderMode::Background => {
6817 self.paint_highlighted_range(
6818 range.clone(),
6819 true,
6820 *color,
6821 Pixels::ZERO,
6822 line_end_overshoot,
6823 layout,
6824 window,
6825 );
6826 }
6827 DocumentColorsRenderMode::Border => {
6828 self.paint_highlighted_range(
6829 range.clone(),
6830 false,
6831 *color,
6832 Pixels::ZERO,
6833 line_end_overshoot,
6834 layout,
6835 window,
6836 );
6837 }
6838 }
6839 }
6840 }
6841
6842 fn paint_cursors(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6843 for cursor in &mut layout.visible_cursors {
6844 cursor.paint(layout.content_origin, window, cx);
6845 }
6846 }
6847
6848 fn paint_scrollbars(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6849 let Some(scrollbars_layout) = layout.scrollbars_layout.take() else {
6850 return;
6851 };
6852 let any_scrollbar_dragged = self.editor.read(cx).scroll_manager.any_scrollbar_dragged();
6853
6854 for (scrollbar_layout, axis) in scrollbars_layout.iter_scrollbars() {
6855 let hitbox = &scrollbar_layout.hitbox;
6856 if scrollbars_layout.visible {
6857 let scrollbar_edges = match axis {
6858 ScrollbarAxis::Horizontal => Edges {
6859 top: Pixels::ZERO,
6860 right: Pixels::ZERO,
6861 bottom: Pixels::ZERO,
6862 left: Pixels::ZERO,
6863 },
6864 ScrollbarAxis::Vertical => Edges {
6865 top: Pixels::ZERO,
6866 right: Pixels::ZERO,
6867 bottom: Pixels::ZERO,
6868 left: ScrollbarLayout::BORDER_WIDTH,
6869 },
6870 };
6871
6872 window.paint_layer(hitbox.bounds, |window| {
6873 window.paint_quad(quad(
6874 hitbox.bounds,
6875 Corners::default(),
6876 cx.theme().colors().scrollbar_track_background,
6877 scrollbar_edges,
6878 cx.theme().colors().scrollbar_track_border,
6879 BorderStyle::Solid,
6880 ));
6881
6882 if axis == ScrollbarAxis::Vertical {
6883 let fast_markers =
6884 self.collect_fast_scrollbar_markers(layout, scrollbar_layout, cx);
6885 // Refresh slow scrollbar markers in the background. Below, we
6886 // paint whatever markers have already been computed.
6887 self.refresh_slow_scrollbar_markers(layout, scrollbar_layout, window, cx);
6888
6889 let markers = self.editor.read(cx).scrollbar_marker_state.markers.clone();
6890 for marker in markers.iter().chain(&fast_markers) {
6891 let mut marker = marker.clone();
6892 marker.bounds.origin += hitbox.origin;
6893 window.paint_quad(marker);
6894 }
6895 }
6896
6897 if let Some(thumb_bounds) = scrollbar_layout.thumb_bounds {
6898 let scrollbar_thumb_color = match scrollbar_layout.thumb_state {
6899 ScrollbarThumbState::Dragging => {
6900 cx.theme().colors().scrollbar_thumb_active_background
6901 }
6902 ScrollbarThumbState::Hovered => {
6903 cx.theme().colors().scrollbar_thumb_hover_background
6904 }
6905 ScrollbarThumbState::Idle => {
6906 cx.theme().colors().scrollbar_thumb_background
6907 }
6908 };
6909 window.paint_quad(quad(
6910 thumb_bounds,
6911 Corners::default(),
6912 scrollbar_thumb_color,
6913 scrollbar_edges,
6914 cx.theme().colors().scrollbar_thumb_border,
6915 BorderStyle::Solid,
6916 ));
6917
6918 if any_scrollbar_dragged {
6919 window.set_window_cursor_style(CursorStyle::Arrow);
6920 } else {
6921 window.set_cursor_style(CursorStyle::Arrow, hitbox);
6922 }
6923 }
6924 })
6925 }
6926 }
6927
6928 window.on_mouse_event({
6929 let editor = self.editor.clone();
6930 let scrollbars_layout = scrollbars_layout.clone();
6931
6932 let mut mouse_position = window.mouse_position();
6933 move |event: &MouseMoveEvent, phase, window, cx| {
6934 if phase == DispatchPhase::Capture {
6935 return;
6936 }
6937
6938 editor.update(cx, |editor, cx| {
6939 if let Some((scrollbar_layout, axis)) = event
6940 .pressed_button
6941 .filter(|button| *button == MouseButton::Left)
6942 .and(editor.scroll_manager.dragging_scrollbar_axis())
6943 .and_then(|axis| {
6944 scrollbars_layout
6945 .iter_scrollbars()
6946 .find(|(_, a)| *a == axis)
6947 })
6948 {
6949 let ScrollbarLayout {
6950 hitbox,
6951 text_unit_size,
6952 ..
6953 } = scrollbar_layout;
6954
6955 let old_position = mouse_position.along(axis);
6956 let new_position = event.position.along(axis);
6957 if (hitbox.origin.along(axis)..hitbox.bottom_right().along(axis))
6958 .contains(&old_position)
6959 {
6960 let position = editor.scroll_position(cx).apply_along(axis, |p| {
6961 (p + ScrollOffset::from(
6962 (new_position - old_position) / *text_unit_size,
6963 ))
6964 .max(0.)
6965 });
6966 editor.set_scroll_position(position, window, cx);
6967 }
6968
6969 editor.scroll_manager.show_scrollbars(window, cx);
6970 cx.stop_propagation();
6971 } else if let Some((layout, axis)) = scrollbars_layout
6972 .get_hovered_axis(window)
6973 .filter(|_| !event.dragging())
6974 {
6975 if layout.thumb_hovered(&event.position) {
6976 editor
6977 .scroll_manager
6978 .set_hovered_scroll_thumb_axis(axis, cx);
6979 } else {
6980 editor.scroll_manager.reset_scrollbar_state(cx);
6981 }
6982
6983 editor.scroll_manager.show_scrollbars(window, cx);
6984 } else {
6985 editor.scroll_manager.reset_scrollbar_state(cx);
6986 }
6987
6988 mouse_position = event.position;
6989 })
6990 }
6991 });
6992
6993 if any_scrollbar_dragged {
6994 window.on_mouse_event({
6995 let editor = self.editor.clone();
6996 move |_: &MouseUpEvent, phase, window, cx| {
6997 if phase == DispatchPhase::Capture {
6998 return;
6999 }
7000
7001 editor.update(cx, |editor, cx| {
7002 if let Some((_, axis)) = scrollbars_layout.get_hovered_axis(window) {
7003 editor
7004 .scroll_manager
7005 .set_hovered_scroll_thumb_axis(axis, cx);
7006 } else {
7007 editor.scroll_manager.reset_scrollbar_state(cx);
7008 }
7009 cx.stop_propagation();
7010 });
7011 }
7012 });
7013 } else {
7014 window.on_mouse_event({
7015 let editor = self.editor.clone();
7016
7017 move |event: &MouseDownEvent, phase, window, cx| {
7018 if phase == DispatchPhase::Capture {
7019 return;
7020 }
7021 let Some((scrollbar_layout, axis)) = scrollbars_layout.get_hovered_axis(window)
7022 else {
7023 return;
7024 };
7025
7026 let ScrollbarLayout {
7027 hitbox,
7028 visible_range,
7029 text_unit_size,
7030 thumb_bounds,
7031 ..
7032 } = scrollbar_layout;
7033
7034 let Some(thumb_bounds) = thumb_bounds else {
7035 return;
7036 };
7037
7038 editor.update(cx, |editor, cx| {
7039 editor
7040 .scroll_manager
7041 .set_dragged_scroll_thumb_axis(axis, cx);
7042
7043 let event_position = event.position.along(axis);
7044
7045 if event_position < thumb_bounds.origin.along(axis)
7046 || thumb_bounds.bottom_right().along(axis) < event_position
7047 {
7048 let center_position = ((event_position - hitbox.origin.along(axis))
7049 / *text_unit_size)
7050 .round() as u32;
7051 let start_position = center_position.saturating_sub(
7052 (visible_range.end - visible_range.start) as u32 / 2,
7053 );
7054
7055 let position = editor
7056 .scroll_position(cx)
7057 .apply_along(axis, |_| start_position as ScrollOffset);
7058
7059 editor.set_scroll_position(position, window, cx);
7060 } else {
7061 editor.scroll_manager.show_scrollbars(window, cx);
7062 }
7063
7064 cx.stop_propagation();
7065 });
7066 }
7067 });
7068 }
7069 }
7070
7071 fn collect_fast_scrollbar_markers(
7072 &self,
7073 layout: &EditorLayout,
7074 scrollbar_layout: &ScrollbarLayout,
7075 cx: &mut App,
7076 ) -> Vec<PaintQuad> {
7077 const LIMIT: usize = 100;
7078 if !EditorSettings::get_global(cx).scrollbar.cursors || layout.cursors.len() > LIMIT {
7079 return vec![];
7080 }
7081 let cursor_ranges = layout
7082 .cursors
7083 .iter()
7084 .map(|(point, color)| ColoredRange {
7085 start: point.row(),
7086 end: point.row(),
7087 color: *color,
7088 })
7089 .collect_vec();
7090 scrollbar_layout.marker_quads_for_ranges(cursor_ranges, None)
7091 }
7092
7093 fn refresh_slow_scrollbar_markers(
7094 &self,
7095 layout: &EditorLayout,
7096 scrollbar_layout: &ScrollbarLayout,
7097 window: &mut Window,
7098 cx: &mut App,
7099 ) {
7100 self.editor.update(cx, |editor, cx| {
7101 if editor.buffer_kind(cx) != ItemBufferKind::Singleton
7102 || !editor
7103 .scrollbar_marker_state
7104 .should_refresh(scrollbar_layout.hitbox.size)
7105 {
7106 return;
7107 }
7108
7109 let scrollbar_layout = scrollbar_layout.clone();
7110 let background_highlights = editor.background_highlights.clone();
7111 let snapshot = layout.position_map.snapshot.clone();
7112 let theme = cx.theme().clone();
7113 let scrollbar_settings = EditorSettings::get_global(cx).scrollbar;
7114
7115 editor.scrollbar_marker_state.dirty = false;
7116 editor.scrollbar_marker_state.pending_refresh =
7117 Some(cx.spawn_in(window, async move |editor, cx| {
7118 let scrollbar_size = scrollbar_layout.hitbox.size;
7119 let scrollbar_markers = cx
7120 .background_spawn(async move {
7121 let max_point = snapshot.display_snapshot.buffer_snapshot().max_point();
7122 let mut marker_quads = Vec::new();
7123 if scrollbar_settings.git_diff {
7124 let marker_row_ranges =
7125 snapshot.buffer_snapshot().diff_hunks().map(|hunk| {
7126 let start_display_row =
7127 MultiBufferPoint::new(hunk.row_range.start.0, 0)
7128 .to_display_point(&snapshot.display_snapshot)
7129 .row();
7130 let mut end_display_row =
7131 MultiBufferPoint::new(hunk.row_range.end.0, 0)
7132 .to_display_point(&snapshot.display_snapshot)
7133 .row();
7134 if end_display_row != start_display_row {
7135 end_display_row.0 -= 1;
7136 }
7137 let color = match &hunk.status().kind {
7138 DiffHunkStatusKind::Added => {
7139 theme.colors().version_control_added
7140 }
7141 DiffHunkStatusKind::Modified => {
7142 theme.colors().version_control_modified
7143 }
7144 DiffHunkStatusKind::Deleted => {
7145 theme.colors().version_control_deleted
7146 }
7147 };
7148 ColoredRange {
7149 start: start_display_row,
7150 end: end_display_row,
7151 color,
7152 }
7153 });
7154
7155 marker_quads.extend(
7156 scrollbar_layout
7157 .marker_quads_for_ranges(marker_row_ranges, Some(0)),
7158 );
7159 }
7160
7161 for (background_highlight_id, (_, background_ranges)) in
7162 background_highlights.iter()
7163 {
7164 let is_search_highlights = *background_highlight_id
7165 == HighlightKey::BufferSearchHighlights;
7166 let is_text_highlights =
7167 *background_highlight_id == HighlightKey::SelectedTextHighlight;
7168 let is_symbol_occurrences = *background_highlight_id
7169 == HighlightKey::DocumentHighlightRead
7170 || *background_highlight_id
7171 == HighlightKey::DocumentHighlightWrite;
7172 if (is_search_highlights && scrollbar_settings.search_results)
7173 || (is_text_highlights && scrollbar_settings.selected_text)
7174 || (is_symbol_occurrences && scrollbar_settings.selected_symbol)
7175 {
7176 let mut color = theme.status().info;
7177 if is_symbol_occurrences {
7178 color.fade_out(0.5);
7179 }
7180 let marker_row_ranges = background_ranges.iter().map(|range| {
7181 let display_start = range
7182 .start
7183 .to_display_point(&snapshot.display_snapshot);
7184 let display_end =
7185 range.end.to_display_point(&snapshot.display_snapshot);
7186 ColoredRange {
7187 start: display_start.row(),
7188 end: display_end.row(),
7189 color,
7190 }
7191 });
7192 marker_quads.extend(
7193 scrollbar_layout
7194 .marker_quads_for_ranges(marker_row_ranges, Some(1)),
7195 );
7196 }
7197 }
7198
7199 if scrollbar_settings.diagnostics != ScrollbarDiagnostics::None {
7200 let diagnostics = snapshot
7201 .buffer_snapshot()
7202 .diagnostics_in_range::<Point>(Point::zero()..max_point)
7203 // Don't show diagnostics the user doesn't care about
7204 .filter(|diagnostic| {
7205 match (
7206 scrollbar_settings.diagnostics,
7207 diagnostic.diagnostic.severity,
7208 ) {
7209 (ScrollbarDiagnostics::All, _) => true,
7210 (
7211 ScrollbarDiagnostics::Error,
7212 lsp::DiagnosticSeverity::ERROR,
7213 ) => true,
7214 (
7215 ScrollbarDiagnostics::Warning,
7216 lsp::DiagnosticSeverity::ERROR
7217 | lsp::DiagnosticSeverity::WARNING,
7218 ) => true,
7219 (
7220 ScrollbarDiagnostics::Information,
7221 lsp::DiagnosticSeverity::ERROR
7222 | lsp::DiagnosticSeverity::WARNING
7223 | lsp::DiagnosticSeverity::INFORMATION,
7224 ) => true,
7225 (_, _) => false,
7226 }
7227 })
7228 // We want to sort by severity, in order to paint the most severe diagnostics last.
7229 .sorted_by_key(|diagnostic| {
7230 std::cmp::Reverse(diagnostic.diagnostic.severity)
7231 });
7232
7233 let marker_row_ranges = diagnostics.into_iter().map(|diagnostic| {
7234 let start_display = diagnostic
7235 .range
7236 .start
7237 .to_display_point(&snapshot.display_snapshot);
7238 let end_display = diagnostic
7239 .range
7240 .end
7241 .to_display_point(&snapshot.display_snapshot);
7242 let color = match diagnostic.diagnostic.severity {
7243 lsp::DiagnosticSeverity::ERROR => theme.status().error,
7244 lsp::DiagnosticSeverity::WARNING => theme.status().warning,
7245 lsp::DiagnosticSeverity::INFORMATION => theme.status().info,
7246 _ => theme.status().hint,
7247 };
7248 ColoredRange {
7249 start: start_display.row(),
7250 end: end_display.row(),
7251 color,
7252 }
7253 });
7254 marker_quads.extend(
7255 scrollbar_layout
7256 .marker_quads_for_ranges(marker_row_ranges, Some(2)),
7257 );
7258 }
7259
7260 Arc::from(marker_quads)
7261 })
7262 .await;
7263
7264 editor.update(cx, |editor, cx| {
7265 editor.scrollbar_marker_state.markers = scrollbar_markers;
7266 editor.scrollbar_marker_state.scrollbar_size = scrollbar_size;
7267 editor.scrollbar_marker_state.pending_refresh = None;
7268 cx.notify();
7269 })?;
7270
7271 Ok(())
7272 }));
7273 });
7274 }
7275
7276 fn paint_highlighted_range(
7277 &self,
7278 range: Range<DisplayPoint>,
7279 fill: bool,
7280 color: Hsla,
7281 corner_radius: Pixels,
7282 line_end_overshoot: Pixels,
7283 layout: &EditorLayout,
7284 window: &mut Window,
7285 ) {
7286 let start_row = layout.visible_display_row_range.start;
7287 let end_row = layout.visible_display_row_range.end;
7288 if range.start != range.end {
7289 let row_range = if range.end.column() == 0 {
7290 cmp::max(range.start.row(), start_row)..cmp::min(range.end.row(), end_row)
7291 } else {
7292 cmp::max(range.start.row(), start_row)
7293 ..cmp::min(range.end.row().next_row(), end_row)
7294 };
7295
7296 let highlighted_range = HighlightedRange {
7297 color,
7298 line_height: layout.position_map.line_height,
7299 corner_radius,
7300 start_y: layout.content_origin.y
7301 + Pixels::from(
7302 (row_range.start.as_f64() - layout.position_map.scroll_position.y)
7303 * ScrollOffset::from(layout.position_map.line_height),
7304 ),
7305 lines: row_range
7306 .iter_rows()
7307 .map(|row| {
7308 let line_layout =
7309 &layout.position_map.line_layouts[row.minus(start_row) as usize];
7310 let alignment_offset =
7311 line_layout.alignment_offset(layout.text_align, layout.content_width);
7312 HighlightedRangeLine {
7313 start_x: if row == range.start.row() {
7314 layout.content_origin.x
7315 + Pixels::from(
7316 ScrollPixelOffset::from(
7317 line_layout.x_for_index(range.start.column() as usize)
7318 + alignment_offset,
7319 ) - layout.position_map.scroll_pixel_position.x,
7320 )
7321 } else {
7322 layout.content_origin.x + alignment_offset
7323 - Pixels::from(layout.position_map.scroll_pixel_position.x)
7324 },
7325 end_x: if row == range.end.row() {
7326 layout.content_origin.x
7327 + Pixels::from(
7328 ScrollPixelOffset::from(
7329 line_layout.x_for_index(range.end.column() as usize)
7330 + alignment_offset,
7331 ) - layout.position_map.scroll_pixel_position.x,
7332 )
7333 } else {
7334 Pixels::from(
7335 ScrollPixelOffset::from(
7336 layout.content_origin.x
7337 + line_layout.width
7338 + alignment_offset
7339 + line_end_overshoot,
7340 ) - layout.position_map.scroll_pixel_position.x,
7341 )
7342 },
7343 }
7344 })
7345 .collect(),
7346 };
7347
7348 highlighted_range.paint(fill, layout.position_map.text_hitbox.bounds, window);
7349 }
7350 }
7351
7352 fn paint_inline_diagnostics(
7353 &mut self,
7354 layout: &mut EditorLayout,
7355 window: &mut Window,
7356 cx: &mut App,
7357 ) {
7358 for mut inline_diagnostic in layout.inline_diagnostics.drain() {
7359 inline_diagnostic.1.paint(window, cx);
7360 }
7361 }
7362
7363 fn paint_inline_blame(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
7364 if let Some(mut blame_layout) = layout.inline_blame_layout.take() {
7365 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
7366 blame_layout.element.paint(window, cx);
7367 })
7368 }
7369 }
7370
7371 fn paint_inline_code_actions(
7372 &mut self,
7373 layout: &mut EditorLayout,
7374 window: &mut Window,
7375 cx: &mut App,
7376 ) {
7377 if let Some(mut inline_code_actions) = layout.inline_code_actions.take() {
7378 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
7379 inline_code_actions.paint(window, cx);
7380 })
7381 }
7382 }
7383
7384 fn paint_diff_hunk_controls(
7385 &mut self,
7386 layout: &mut EditorLayout,
7387 window: &mut Window,
7388 cx: &mut App,
7389 ) {
7390 for mut diff_hunk_control in layout.diff_hunk_controls.drain(..) {
7391 diff_hunk_control.paint(window, cx);
7392 }
7393 }
7394
7395 fn paint_minimap(&self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
7396 if let Some(mut layout) = layout.minimap.take() {
7397 let minimap_hitbox = layout.thumb_layout.hitbox.clone();
7398 let dragging_minimap = self.editor.read(cx).scroll_manager.is_dragging_minimap();
7399
7400 window.paint_layer(layout.thumb_layout.hitbox.bounds, |window| {
7401 window.with_element_namespace("minimap", |window| {
7402 layout.minimap.paint(window, cx);
7403 if let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds {
7404 let minimap_thumb_color = match layout.thumb_layout.thumb_state {
7405 ScrollbarThumbState::Idle => {
7406 cx.theme().colors().minimap_thumb_background
7407 }
7408 ScrollbarThumbState::Hovered => {
7409 cx.theme().colors().minimap_thumb_hover_background
7410 }
7411 ScrollbarThumbState::Dragging => {
7412 cx.theme().colors().minimap_thumb_active_background
7413 }
7414 };
7415 let minimap_thumb_border = match layout.thumb_border_style {
7416 MinimapThumbBorder::Full => Edges::all(ScrollbarLayout::BORDER_WIDTH),
7417 MinimapThumbBorder::LeftOnly => Edges {
7418 left: ScrollbarLayout::BORDER_WIDTH,
7419 ..Default::default()
7420 },
7421 MinimapThumbBorder::LeftOpen => Edges {
7422 right: ScrollbarLayout::BORDER_WIDTH,
7423 top: ScrollbarLayout::BORDER_WIDTH,
7424 bottom: ScrollbarLayout::BORDER_WIDTH,
7425 ..Default::default()
7426 },
7427 MinimapThumbBorder::RightOpen => Edges {
7428 left: ScrollbarLayout::BORDER_WIDTH,
7429 top: ScrollbarLayout::BORDER_WIDTH,
7430 bottom: ScrollbarLayout::BORDER_WIDTH,
7431 ..Default::default()
7432 },
7433 MinimapThumbBorder::None => Default::default(),
7434 };
7435
7436 window.paint_layer(minimap_hitbox.bounds, |window| {
7437 window.paint_quad(quad(
7438 thumb_bounds,
7439 Corners::default(),
7440 minimap_thumb_color,
7441 minimap_thumb_border,
7442 cx.theme().colors().minimap_thumb_border,
7443 BorderStyle::Solid,
7444 ));
7445 });
7446 }
7447 });
7448 });
7449
7450 if dragging_minimap {
7451 window.set_window_cursor_style(CursorStyle::Arrow);
7452 } else {
7453 window.set_cursor_style(CursorStyle::Arrow, &minimap_hitbox);
7454 }
7455
7456 let minimap_axis = ScrollbarAxis::Vertical;
7457 let pixels_per_line = Pixels::from(
7458 ScrollPixelOffset::from(minimap_hitbox.size.height) / layout.max_scroll_top,
7459 )
7460 .min(layout.minimap_line_height);
7461
7462 let mut mouse_position = window.mouse_position();
7463
7464 window.on_mouse_event({
7465 let editor = self.editor.clone();
7466
7467 let minimap_hitbox = minimap_hitbox.clone();
7468
7469 move |event: &MouseMoveEvent, phase, window, cx| {
7470 if phase == DispatchPhase::Capture {
7471 return;
7472 }
7473
7474 editor.update(cx, |editor, cx| {
7475 if event.pressed_button == Some(MouseButton::Left)
7476 && editor.scroll_manager.is_dragging_minimap()
7477 {
7478 let old_position = mouse_position.along(minimap_axis);
7479 let new_position = event.position.along(minimap_axis);
7480 if (minimap_hitbox.origin.along(minimap_axis)
7481 ..minimap_hitbox.bottom_right().along(minimap_axis))
7482 .contains(&old_position)
7483 {
7484 let position =
7485 editor.scroll_position(cx).apply_along(minimap_axis, |p| {
7486 (p + ScrollPixelOffset::from(
7487 (new_position - old_position) / pixels_per_line,
7488 ))
7489 .max(0.)
7490 });
7491
7492 editor.set_scroll_position(position, window, cx);
7493 }
7494 cx.stop_propagation();
7495 } else if minimap_hitbox.is_hovered(window) {
7496 editor.scroll_manager.set_is_hovering_minimap_thumb(
7497 !event.dragging()
7498 && layout
7499 .thumb_layout
7500 .thumb_bounds
7501 .is_some_and(|bounds| bounds.contains(&event.position)),
7502 cx,
7503 );
7504
7505 // Stop hover events from propagating to the
7506 // underlying editor if the minimap hitbox is hovered
7507 if !event.dragging() {
7508 cx.stop_propagation();
7509 }
7510 } else {
7511 editor.scroll_manager.hide_minimap_thumb(cx);
7512 }
7513 mouse_position = event.position;
7514 });
7515 }
7516 });
7517
7518 if dragging_minimap {
7519 window.on_mouse_event({
7520 let editor = self.editor.clone();
7521 move |event: &MouseUpEvent, phase, window, cx| {
7522 if phase == DispatchPhase::Capture {
7523 return;
7524 }
7525
7526 editor.update(cx, |editor, cx| {
7527 if minimap_hitbox.is_hovered(window) {
7528 editor.scroll_manager.set_is_hovering_minimap_thumb(
7529 layout
7530 .thumb_layout
7531 .thumb_bounds
7532 .is_some_and(|bounds| bounds.contains(&event.position)),
7533 cx,
7534 );
7535 } else {
7536 editor.scroll_manager.hide_minimap_thumb(cx);
7537 }
7538 cx.stop_propagation();
7539 });
7540 }
7541 });
7542 } else {
7543 window.on_mouse_event({
7544 let editor = self.editor.clone();
7545
7546 move |event: &MouseDownEvent, phase, window, cx| {
7547 if phase == DispatchPhase::Capture || !minimap_hitbox.is_hovered(window) {
7548 return;
7549 }
7550
7551 let event_position = event.position;
7552
7553 let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds else {
7554 return;
7555 };
7556
7557 editor.update(cx, |editor, cx| {
7558 if !thumb_bounds.contains(&event_position) {
7559 let click_position =
7560 event_position.relative_to(&minimap_hitbox.origin).y;
7561
7562 let top_position = (click_position
7563 - thumb_bounds.size.along(minimap_axis) / 2.0)
7564 .max(Pixels::ZERO);
7565
7566 let scroll_offset = (layout.minimap_scroll_top
7567 + ScrollPixelOffset::from(
7568 top_position / layout.minimap_line_height,
7569 ))
7570 .min(layout.max_scroll_top);
7571
7572 let scroll_position = editor
7573 .scroll_position(cx)
7574 .apply_along(minimap_axis, |_| scroll_offset);
7575 editor.set_scroll_position(scroll_position, window, cx);
7576 }
7577
7578 editor.scroll_manager.set_is_dragging_minimap(cx);
7579 cx.stop_propagation();
7580 });
7581 }
7582 });
7583 }
7584 }
7585 }
7586
7587 fn paint_spacer_blocks(
7588 &mut self,
7589 layout: &mut EditorLayout,
7590 window: &mut Window,
7591 cx: &mut App,
7592 ) {
7593 for mut block in layout.spacer_blocks.drain(..) {
7594 let mut bounds = layout.hitbox.bounds;
7595 bounds.origin.x += layout.gutter_hitbox.bounds.size.width;
7596 window.with_content_mask(Some(ContentMask { bounds }), |window| {
7597 block.element.paint(window, cx);
7598 })
7599 }
7600 }
7601
7602 fn paint_non_spacer_blocks(
7603 &mut self,
7604 layout: &mut EditorLayout,
7605 window: &mut Window,
7606 cx: &mut App,
7607 ) {
7608 for mut block in layout.blocks.drain(..) {
7609 if block.overlaps_gutter {
7610 block.element.paint(window, cx);
7611 } else {
7612 let mut bounds = layout.hitbox.bounds;
7613 bounds.origin.x += layout.gutter_hitbox.bounds.size.width;
7614 window.with_content_mask(Some(ContentMask { bounds }), |window| {
7615 block.element.paint(window, cx);
7616 })
7617 }
7618 }
7619 }
7620
7621 fn paint_edit_prediction_popover(
7622 &mut self,
7623 layout: &mut EditorLayout,
7624 window: &mut Window,
7625 cx: &mut App,
7626 ) {
7627 if let Some(edit_prediction_popover) = layout.edit_prediction_popover.as_mut() {
7628 edit_prediction_popover.paint(window, cx);
7629 }
7630 }
7631
7632 fn paint_mouse_context_menu(
7633 &mut self,
7634 layout: &mut EditorLayout,
7635 window: &mut Window,
7636 cx: &mut App,
7637 ) {
7638 if let Some(mouse_context_menu) = layout.mouse_context_menu.as_mut() {
7639 mouse_context_menu.paint(window, cx);
7640 }
7641 }
7642
7643 fn paint_scroll_wheel_listener(
7644 &mut self,
7645 layout: &EditorLayout,
7646 window: &mut Window,
7647 cx: &mut App,
7648 ) {
7649 window.on_mouse_event({
7650 let position_map = layout.position_map.clone();
7651 let editor = self.editor.clone();
7652 let hitbox = layout.hitbox.clone();
7653 let mut delta = ScrollDelta::default();
7654
7655 // Set a minimum scroll_sensitivity of 0.01 to make sure the user doesn't
7656 // accidentally turn off their scrolling.
7657 let base_scroll_sensitivity =
7658 EditorSettings::get_global(cx).scroll_sensitivity.max(0.01);
7659
7660 // Use a minimum fast_scroll_sensitivity for same reason above
7661 let fast_scroll_sensitivity = EditorSettings::get_global(cx)
7662 .fast_scroll_sensitivity
7663 .max(0.01);
7664
7665 move |event: &ScrollWheelEvent, phase, window, cx| {
7666 let scroll_sensitivity = {
7667 if event.modifiers.alt {
7668 fast_scroll_sensitivity
7669 } else {
7670 base_scroll_sensitivity
7671 }
7672 };
7673
7674 if phase == DispatchPhase::Bubble && hitbox.should_handle_scroll(window) {
7675 delta = delta.coalesce(event.delta);
7676 editor.update(cx, |editor, cx| {
7677 let position_map: &PositionMap = &position_map;
7678
7679 let line_height = position_map.line_height;
7680 let glyph_width = position_map.em_layout_width;
7681 let (delta, axis) = match delta {
7682 gpui::ScrollDelta::Pixels(mut pixels) => {
7683 //Trackpad
7684 let axis = position_map.snapshot.ongoing_scroll.filter(&mut pixels);
7685 (pixels, axis)
7686 }
7687
7688 gpui::ScrollDelta::Lines(lines) => {
7689 //Not trackpad
7690 let pixels = point(lines.x * glyph_width, lines.y * line_height);
7691 (pixels, None)
7692 }
7693 };
7694
7695 let current_scroll_position = position_map.snapshot.scroll_position();
7696 let x = (current_scroll_position.x * ScrollPixelOffset::from(glyph_width)
7697 - ScrollPixelOffset::from(delta.x * scroll_sensitivity))
7698 / ScrollPixelOffset::from(glyph_width);
7699 let y = (current_scroll_position.y * ScrollPixelOffset::from(line_height)
7700 - ScrollPixelOffset::from(delta.y * scroll_sensitivity))
7701 / ScrollPixelOffset::from(line_height);
7702 let mut scroll_position =
7703 point(x, y).clamp(&point(0., 0.), &position_map.scroll_max);
7704 let forbid_vertical_scroll = editor.scroll_manager.forbid_vertical_scroll();
7705 if forbid_vertical_scroll {
7706 scroll_position.y = current_scroll_position.y;
7707 }
7708
7709 if scroll_position != current_scroll_position {
7710 editor.scroll(scroll_position, axis, window, cx);
7711 cx.stop_propagation();
7712 } else if y < 0. {
7713 // Due to clamping, we may fail to detect cases of overscroll to the top;
7714 // We want the scroll manager to get an update in such cases and detect the change of direction
7715 // on the next frame.
7716 cx.notify();
7717 }
7718 });
7719 }
7720 }
7721 });
7722 }
7723
7724 fn paint_mouse_listeners(&mut self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
7725 if layout.mode.is_minimap() {
7726 return;
7727 }
7728
7729 self.paint_scroll_wheel_listener(layout, window, cx);
7730
7731 window.on_mouse_event({
7732 let position_map = layout.position_map.clone();
7733 let editor = self.editor.clone();
7734 let line_numbers = layout.line_numbers.clone();
7735
7736 move |event: &MouseDownEvent, phase, window, cx| {
7737 if phase == DispatchPhase::Bubble {
7738 match event.button {
7739 MouseButton::Left => editor.update(cx, |editor, cx| {
7740 let pending_mouse_down = editor
7741 .pending_mouse_down
7742 .get_or_insert_with(Default::default)
7743 .clone();
7744
7745 *pending_mouse_down.borrow_mut() = Some(event.clone());
7746
7747 Self::mouse_left_down(
7748 editor,
7749 event,
7750 &position_map,
7751 line_numbers.as_ref(),
7752 window,
7753 cx,
7754 );
7755 }),
7756 MouseButton::Right => editor.update(cx, |editor, cx| {
7757 Self::mouse_right_down(editor, event, &position_map, window, cx);
7758 }),
7759 MouseButton::Middle => editor.update(cx, |editor, cx| {
7760 Self::mouse_middle_down(editor, event, &position_map, window, cx);
7761 }),
7762 _ => {}
7763 };
7764 }
7765 }
7766 });
7767
7768 window.on_mouse_event({
7769 let editor = self.editor.clone();
7770 let position_map = layout.position_map.clone();
7771
7772 move |event: &MouseUpEvent, phase, window, cx| {
7773 if phase == DispatchPhase::Bubble {
7774 editor.update(cx, |editor, cx| {
7775 Self::mouse_up(editor, event, &position_map, window, cx)
7776 });
7777 }
7778 }
7779 });
7780
7781 window.on_mouse_event({
7782 let editor = self.editor.clone();
7783 let position_map = layout.position_map.clone();
7784 let mut captured_mouse_down = None;
7785
7786 move |event: &MouseUpEvent, phase, window, cx| match phase {
7787 // Clear the pending mouse down during the capture phase,
7788 // so that it happens even if another event handler stops
7789 // propagation.
7790 DispatchPhase::Capture => editor.update(cx, |editor, _cx| {
7791 let pending_mouse_down = editor
7792 .pending_mouse_down
7793 .get_or_insert_with(Default::default)
7794 .clone();
7795
7796 let mut pending_mouse_down = pending_mouse_down.borrow_mut();
7797 if pending_mouse_down.is_some() && position_map.text_hitbox.is_hovered(window) {
7798 captured_mouse_down = pending_mouse_down.take();
7799 window.refresh();
7800 }
7801 }),
7802 // Fire click handlers during the bubble phase.
7803 DispatchPhase::Bubble => editor.update(cx, |editor, cx| {
7804 if let Some(mouse_down) = captured_mouse_down.take() {
7805 let event = ClickEvent::Mouse(MouseClickEvent {
7806 down: mouse_down,
7807 up: event.clone(),
7808 });
7809 Self::click(editor, &event, &position_map, window, cx);
7810 }
7811 }),
7812 }
7813 });
7814
7815 window.on_mouse_event({
7816 let position_map = layout.position_map.clone();
7817 let editor = self.editor.clone();
7818
7819 move |event: &MousePressureEvent, phase, window, cx| {
7820 if phase == DispatchPhase::Bubble {
7821 editor.update(cx, |editor, cx| {
7822 Self::pressure_click(editor, &event, &position_map, window, cx);
7823 })
7824 }
7825 }
7826 });
7827
7828 window.on_mouse_event({
7829 let position_map = layout.position_map.clone();
7830 let editor = self.editor.clone();
7831 let split_side = self.split_side;
7832
7833 move |event: &MouseMoveEvent, phase, window, cx| {
7834 if phase == DispatchPhase::Bubble {
7835 editor.update(cx, |editor, cx| {
7836 if editor.hover_state.focused(window, cx) {
7837 return;
7838 }
7839 if event.pressed_button == Some(MouseButton::Left)
7840 || event.pressed_button == Some(MouseButton::Middle)
7841 {
7842 Self::mouse_dragged(editor, event, &position_map, window, cx)
7843 }
7844
7845 Self::mouse_moved(editor, event, &position_map, split_side, window, cx)
7846 });
7847 }
7848 }
7849 });
7850 }
7851
7852 fn shape_line_number(
7853 &self,
7854 text: SharedString,
7855 color: Hsla,
7856 window: &mut Window,
7857 ) -> ShapedLine {
7858 let run = TextRun {
7859 len: text.len(),
7860 font: self.style.text.font(),
7861 color,
7862 ..Default::default()
7863 };
7864 window.text_system().shape_line(
7865 text,
7866 self.style.text.font_size.to_pixels(window.rem_size()),
7867 &[run],
7868 None,
7869 )
7870 }
7871
7872 fn diff_hunk_hollow(status: DiffHunkStatus, cx: &mut App) -> bool {
7873 let unstaged = status.has_secondary_hunk();
7874 let unstaged_hollow = matches!(
7875 ProjectSettings::get_global(cx).git.hunk_style,
7876 GitHunkStyleSetting::UnstagedHollow
7877 );
7878
7879 unstaged == unstaged_hollow
7880 }
7881
7882 #[cfg(debug_assertions)]
7883 fn layout_debug_ranges(
7884 selections: &mut Vec<(PlayerColor, Vec<SelectionLayout>)>,
7885 anchor_range: Range<Anchor>,
7886 display_snapshot: &DisplaySnapshot,
7887 cx: &App,
7888 ) {
7889 let theme = cx.theme();
7890 text::debug::GlobalDebugRanges::with_locked(|debug_ranges| {
7891 if debug_ranges.ranges.is_empty() {
7892 return;
7893 }
7894 let buffer_snapshot = &display_snapshot.buffer_snapshot();
7895 for (buffer, buffer_range, excerpt_id) in
7896 buffer_snapshot.range_to_buffer_ranges(anchor_range.start..=anchor_range.end)
7897 {
7898 let buffer_range =
7899 buffer.anchor_after(buffer_range.start)..buffer.anchor_before(buffer_range.end);
7900 selections.extend(debug_ranges.ranges.iter().flat_map(|debug_range| {
7901 let player_color = theme
7902 .players()
7903 .color_for_participant(debug_range.occurrence_index as u32 + 1);
7904 debug_range.ranges.iter().filter_map(move |range| {
7905 if range.start.buffer_id != Some(buffer.remote_id()) {
7906 return None;
7907 }
7908 let clipped_start = range.start.max(&buffer_range.start, buffer);
7909 let clipped_end = range.end.min(&buffer_range.end, buffer);
7910 let range = buffer_snapshot
7911 .anchor_range_in_excerpt(excerpt_id, *clipped_start..*clipped_end)?;
7912 let start = range.start.to_display_point(display_snapshot);
7913 let end = range.end.to_display_point(display_snapshot);
7914 let selection_layout = SelectionLayout {
7915 head: start,
7916 range: start..end,
7917 cursor_shape: CursorShape::Bar,
7918 is_newest: false,
7919 is_local: false,
7920 active_rows: start.row()..end.row(),
7921 user_name: Some(SharedString::new(debug_range.value.clone())),
7922 };
7923 Some((player_color, vec![selection_layout]))
7924 })
7925 }));
7926 }
7927 });
7928 }
7929}
7930
7931pub fn render_breadcrumb_text(
7932 mut segments: Vec<HighlightedText>,
7933 breadcrumb_font: Option<Font>,
7934 prefix: Option<gpui::AnyElement>,
7935 active_item: &dyn ItemHandle,
7936 multibuffer_header: bool,
7937 window: &mut Window,
7938 cx: &App,
7939) -> gpui::AnyElement {
7940 const MAX_SEGMENTS: usize = 12;
7941
7942 let element = h_flex().flex_grow().text_ui(cx);
7943
7944 let prefix_end_ix = cmp::min(segments.len(), MAX_SEGMENTS / 2);
7945 let suffix_start_ix = cmp::max(
7946 prefix_end_ix,
7947 segments.len().saturating_sub(MAX_SEGMENTS / 2),
7948 );
7949
7950 if suffix_start_ix > prefix_end_ix {
7951 segments.splice(
7952 prefix_end_ix..suffix_start_ix,
7953 Some(HighlightedText {
7954 text: "β―".into(),
7955 highlights: vec![],
7956 }),
7957 );
7958 }
7959
7960 let highlighted_segments = segments.into_iter().enumerate().map(|(index, segment)| {
7961 let mut text_style = window.text_style();
7962 if let Some(font) = &breadcrumb_font {
7963 text_style.font_family = font.family.clone();
7964 text_style.font_features = font.features.clone();
7965 text_style.font_style = font.style;
7966 text_style.font_weight = font.weight;
7967 }
7968 text_style.color = Color::Muted.color(cx);
7969
7970 if index == 0
7971 && !workspace::TabBarSettings::get_global(cx).show
7972 && active_item.is_dirty(cx)
7973 && let Some(styled_element) = apply_dirty_filename_style(&segment, &text_style, cx)
7974 {
7975 return styled_element;
7976 }
7977
7978 StyledText::new(segment.text.replace('\n', " "))
7979 .with_default_highlights(&text_style, segment.highlights)
7980 .into_any()
7981 });
7982
7983 let breadcrumbs = Itertools::intersperse_with(highlighted_segments, || {
7984 Label::new("βΊ").color(Color::Placeholder).into_any_element()
7985 });
7986
7987 let breadcrumbs_stack = h_flex()
7988 .gap_1()
7989 .when(multibuffer_header, |this| {
7990 this.pl_2()
7991 .border_l_1()
7992 .border_color(cx.theme().colors().border.opacity(0.6))
7993 })
7994 .children(breadcrumbs);
7995
7996 let breadcrumbs = if let Some(prefix) = prefix {
7997 h_flex().gap_1p5().child(prefix).child(breadcrumbs_stack)
7998 } else {
7999 breadcrumbs_stack
8000 };
8001
8002 let editor = active_item
8003 .downcast::<Editor>()
8004 .map(|editor| editor.downgrade());
8005
8006 let has_project_path = active_item.project_path(cx).is_some();
8007
8008 match editor {
8009 Some(editor) => element
8010 .id("breadcrumb_container")
8011 .when(!multibuffer_header, |this| this.overflow_x_scroll())
8012 .child(
8013 ButtonLike::new("toggle outline view")
8014 .child(breadcrumbs)
8015 .when(multibuffer_header, |this| {
8016 this.style(ButtonStyle::Transparent)
8017 })
8018 .when(!multibuffer_header, |this| {
8019 let focus_handle = editor.upgrade().unwrap().focus_handle(&cx);
8020
8021 this.tooltip(Tooltip::element(move |_window, cx| {
8022 v_flex()
8023 .gap_1()
8024 .child(
8025 h_flex()
8026 .gap_1()
8027 .justify_between()
8028 .child(Label::new("Show Symbol Outline"))
8029 .child(ui::KeyBinding::for_action_in(
8030 &zed_actions::outline::ToggleOutline,
8031 &focus_handle,
8032 cx,
8033 )),
8034 )
8035 .when(has_project_path, |this| {
8036 this.child(
8037 h_flex()
8038 .gap_1()
8039 .justify_between()
8040 .pt_1()
8041 .border_t_1()
8042 .border_color(cx.theme().colors().border_variant)
8043 .child(Label::new("Right-Click to Copy Path")),
8044 )
8045 })
8046 .into_any_element()
8047 }))
8048 .on_click({
8049 let editor = editor.clone();
8050 move |_, window, cx| {
8051 if let Some((editor, callback)) = editor
8052 .upgrade()
8053 .zip(zed_actions::outline::TOGGLE_OUTLINE.get())
8054 {
8055 callback(editor.to_any_view(), window, cx);
8056 }
8057 }
8058 })
8059 .when(has_project_path, |this| {
8060 this.on_right_click({
8061 let editor = editor.clone();
8062 move |_, _, cx| {
8063 if let Some(abs_path) = editor.upgrade().and_then(|editor| {
8064 editor.update(cx, |editor, cx| {
8065 editor.target_file_abs_path(cx)
8066 })
8067 }) {
8068 if let Some(path_str) = abs_path.to_str() {
8069 cx.write_to_clipboard(ClipboardItem::new_string(
8070 path_str.to_string(),
8071 ));
8072 }
8073 }
8074 }
8075 })
8076 })
8077 }),
8078 )
8079 .into_any_element(),
8080 None => element
8081 .h(rems_from_px(22.)) // Match the height and padding of the `ButtonLike` in the other arm.
8082 .pl_1()
8083 .child(breadcrumbs)
8084 .into_any_element(),
8085 }
8086}
8087
8088fn apply_dirty_filename_style(
8089 segment: &HighlightedText,
8090 text_style: &gpui::TextStyle,
8091 cx: &App,
8092) -> Option<gpui::AnyElement> {
8093 let text = segment.text.replace('\n', " ");
8094
8095 let filename_position = std::path::Path::new(segment.text.as_ref())
8096 .file_name()
8097 .and_then(|f| {
8098 let filename_str = f.to_string_lossy();
8099 segment.text.rfind(filename_str.as_ref())
8100 })?;
8101
8102 let bold_weight = FontWeight::BOLD;
8103 let default_color = Color::Default.color(cx);
8104
8105 if filename_position == 0 {
8106 let mut filename_style = text_style.clone();
8107 filename_style.font_weight = bold_weight;
8108 filename_style.color = default_color;
8109
8110 return Some(
8111 StyledText::new(text)
8112 .with_default_highlights(&filename_style, [])
8113 .into_any(),
8114 );
8115 }
8116
8117 let highlight_style = gpui::HighlightStyle {
8118 font_weight: Some(bold_weight),
8119 color: Some(default_color),
8120 ..Default::default()
8121 };
8122
8123 let highlight = vec![(filename_position..text.len(), highlight_style)];
8124 Some(
8125 StyledText::new(text)
8126 .with_default_highlights(text_style, highlight)
8127 .into_any(),
8128 )
8129}
8130
8131fn file_status_label_color(file_status: Option<FileStatus>) -> Color {
8132 file_status.map_or(Color::Default, |status| {
8133 if status.is_conflicted() {
8134 Color::Conflict
8135 } else if status.is_modified() {
8136 Color::Modified
8137 } else if status.is_deleted() {
8138 Color::Disabled
8139 } else if status.is_created() {
8140 Color::Created
8141 } else {
8142 Color::Default
8143 }
8144 })
8145}
8146
8147pub(crate) fn header_jump_data(
8148 editor_snapshot: &EditorSnapshot,
8149 block_row_start: DisplayRow,
8150 height: u32,
8151 first_excerpt: &ExcerptInfo,
8152 latest_selection_anchors: &HashMap<BufferId, Anchor>,
8153) -> JumpData {
8154 let jump_target = if let Some(anchor) = latest_selection_anchors.get(&first_excerpt.buffer_id)
8155 && let Some(range) = editor_snapshot.context_range_for_excerpt(anchor.excerpt_id)
8156 && let Some(buffer) = editor_snapshot
8157 .buffer_snapshot()
8158 .buffer_for_excerpt(anchor.excerpt_id)
8159 {
8160 JumpTargetInExcerptInput {
8161 id: anchor.excerpt_id,
8162 buffer,
8163 excerpt_start_anchor: range.start,
8164 jump_anchor: anchor.text_anchor,
8165 }
8166 } else {
8167 JumpTargetInExcerptInput {
8168 id: first_excerpt.id,
8169 buffer: &first_excerpt.buffer,
8170 excerpt_start_anchor: first_excerpt.range.context.start,
8171 jump_anchor: first_excerpt.range.primary.start,
8172 }
8173 };
8174 header_jump_data_inner(editor_snapshot, block_row_start, height, &jump_target)
8175}
8176
8177struct JumpTargetInExcerptInput<'a> {
8178 id: ExcerptId,
8179 buffer: &'a language::BufferSnapshot,
8180 excerpt_start_anchor: text::Anchor,
8181 jump_anchor: text::Anchor,
8182}
8183
8184fn header_jump_data_inner(
8185 snapshot: &EditorSnapshot,
8186 block_row_start: DisplayRow,
8187 height: u32,
8188 for_excerpt: &JumpTargetInExcerptInput,
8189) -> JumpData {
8190 let buffer = &for_excerpt.buffer;
8191 let jump_position = language::ToPoint::to_point(&for_excerpt.jump_anchor, buffer);
8192 let excerpt_start = for_excerpt.excerpt_start_anchor;
8193 let rows_from_excerpt_start = if for_excerpt.jump_anchor == excerpt_start {
8194 0
8195 } else {
8196 let excerpt_start_point = language::ToPoint::to_point(&excerpt_start, buffer);
8197 jump_position.row.saturating_sub(excerpt_start_point.row)
8198 };
8199
8200 let line_offset_from_top = (block_row_start.0 + height + rows_from_excerpt_start)
8201 .saturating_sub(
8202 snapshot
8203 .scroll_anchor
8204 .scroll_position(&snapshot.display_snapshot)
8205 .y as u32,
8206 );
8207
8208 JumpData::MultiBufferPoint {
8209 excerpt_id: for_excerpt.id,
8210 anchor: for_excerpt.jump_anchor,
8211 position: jump_position,
8212 line_offset_from_top,
8213 }
8214}
8215
8216pub(crate) fn render_buffer_header(
8217 editor: &Entity<Editor>,
8218 for_excerpt: &ExcerptInfo,
8219 is_folded: bool,
8220 is_selected: bool,
8221 is_sticky: bool,
8222 jump_data: JumpData,
8223 window: &mut Window,
8224 cx: &mut App,
8225) -> impl IntoElement {
8226 let editor_read = editor.read(cx);
8227 let multi_buffer = editor_read.buffer.read(cx);
8228 let is_read_only = editor_read.read_only(cx);
8229 let editor_handle: &dyn ItemHandle = editor;
8230
8231 let breadcrumbs = if is_selected {
8232 editor_read.breadcrumbs_inner(cx)
8233 } else {
8234 None
8235 };
8236
8237 let file_status = multi_buffer
8238 .all_diff_hunks_expanded()
8239 .then(|| editor_read.status_for_buffer_id(for_excerpt.buffer_id, cx))
8240 .flatten();
8241 let indicator = multi_buffer
8242 .buffer(for_excerpt.buffer_id)
8243 .and_then(|buffer| {
8244 let buffer = buffer.read(cx);
8245 let indicator_color = match (buffer.has_conflict(), buffer.is_dirty()) {
8246 (true, _) => Some(Color::Warning),
8247 (_, true) => Some(Color::Accent),
8248 (false, false) => None,
8249 };
8250 indicator_color.map(|indicator_color| Indicator::dot().color(indicator_color))
8251 });
8252
8253 let include_root = editor_read
8254 .project
8255 .as_ref()
8256 .map(|project| project.read(cx).visible_worktrees(cx).count() > 1)
8257 .unwrap_or_default();
8258 let file = for_excerpt.buffer.file();
8259 let can_open_excerpts = file.is_none_or(|file| file.can_open());
8260 let path_style = file.map(|file| file.path_style(cx));
8261 let relative_path = for_excerpt.buffer.resolve_file_path(include_root, cx);
8262 let (parent_path, filename) = if let Some(path) = &relative_path {
8263 if let Some(path_style) = path_style {
8264 let (dir, file_name) = path_style.split(path);
8265 (dir.map(|dir| dir.to_owned()), Some(file_name.to_owned()))
8266 } else {
8267 (None, Some(path.clone()))
8268 }
8269 } else {
8270 (None, None)
8271 };
8272 let focus_handle = editor_read.focus_handle(cx);
8273 let colors = cx.theme().colors();
8274
8275 let header = div()
8276 .id(("buffer-header", for_excerpt.buffer_id.to_proto()))
8277 .p(BUFFER_HEADER_PADDING)
8278 .w_full()
8279 .h(FILE_HEADER_HEIGHT as f32 * window.line_height())
8280 .child(
8281 h_flex()
8282 .group("buffer-header-group")
8283 .size_full()
8284 .flex_basis(Length::Definite(DefiniteLength::Fraction(0.667)))
8285 .pl_1()
8286 .pr_2()
8287 .rounded_sm()
8288 .gap_1p5()
8289 .when(is_sticky, |el| el.shadow_md())
8290 .border_1()
8291 .map(|border| {
8292 let border_color =
8293 if is_selected && is_folded && focus_handle.contains_focused(window, cx) {
8294 colors.border_focused
8295 } else {
8296 colors.border
8297 };
8298 border.border_color(border_color)
8299 })
8300 .bg(colors.editor_subheader_background)
8301 .hover(|style| style.bg(colors.element_hover))
8302 .map(|header| {
8303 let editor = editor.clone();
8304 let buffer_id = for_excerpt.buffer_id;
8305 let toggle_chevron_icon =
8306 FileIcons::get_chevron_icon(!is_folded, cx).map(Icon::from_path);
8307 let button_size = rems_from_px(28.);
8308
8309 header.child(
8310 div()
8311 .hover(|style| style.bg(colors.element_selected))
8312 .rounded_xs()
8313 .child(
8314 ButtonLike::new("toggle-buffer-fold")
8315 .style(ButtonStyle::Transparent)
8316 .height(button_size.into())
8317 .width(button_size)
8318 .children(toggle_chevron_icon)
8319 .tooltip({
8320 let focus_handle = focus_handle.clone();
8321 let is_folded_for_tooltip = is_folded;
8322 move |_window, cx| {
8323 Tooltip::with_meta_in(
8324 if is_folded_for_tooltip {
8325 "Unfold Excerpt"
8326 } else {
8327 "Fold Excerpt"
8328 },
8329 Some(&ToggleFold),
8330 format!(
8331 "{} to toggle all",
8332 text_for_keystroke(
8333 &Modifiers::alt(),
8334 "click",
8335 cx
8336 )
8337 ),
8338 &focus_handle,
8339 cx,
8340 )
8341 }
8342 })
8343 .on_click(move |event, window, cx| {
8344 if event.modifiers().alt {
8345 editor.update(cx, |editor, cx| {
8346 editor.toggle_fold_all(&ToggleFoldAll, window, cx);
8347 });
8348 } else {
8349 if is_folded {
8350 editor.update(cx, |editor, cx| {
8351 editor.unfold_buffer(buffer_id, cx);
8352 });
8353 } else {
8354 editor.update(cx, |editor, cx| {
8355 editor.fold_buffer(buffer_id, cx);
8356 });
8357 }
8358 }
8359 }),
8360 ),
8361 )
8362 })
8363 .children(
8364 editor_read
8365 .addons
8366 .values()
8367 .filter_map(|addon| {
8368 addon.render_buffer_header_controls(for_excerpt, window, cx)
8369 })
8370 .take(1),
8371 )
8372 .when(!is_read_only, |this| {
8373 this.child(
8374 h_flex()
8375 .size_3()
8376 .justify_center()
8377 .flex_shrink_0()
8378 .children(indicator),
8379 )
8380 })
8381 .child(
8382 h_flex()
8383 .cursor_pointer()
8384 .id("path_header_block")
8385 .min_w_0()
8386 .size_full()
8387 .gap_1()
8388 .justify_between()
8389 .overflow_hidden()
8390 .child(h_flex().min_w_0().flex_1().gap_0p5().overflow_hidden().map(
8391 |path_header| {
8392 let filename = filename
8393 .map(SharedString::from)
8394 .unwrap_or_else(|| "untitled".into());
8395
8396 let full_path = match parent_path.as_deref() {
8397 Some(parent) if !parent.is_empty() => {
8398 format!("{}{}", parent, filename.as_str())
8399 }
8400 _ => filename.as_str().to_string(),
8401 };
8402
8403 path_header
8404 .child(
8405 ButtonLike::new("filename-button")
8406 .when(ItemSettings::get_global(cx).file_icons, |this| {
8407 let path = path::Path::new(filename.as_str());
8408 let icon = FileIcons::get_icon(path, cx)
8409 .unwrap_or_default();
8410
8411 this.child(
8412 Icon::from_path(icon).color(Color::Muted),
8413 )
8414 })
8415 .child(
8416 Label::new(filename)
8417 .single_line()
8418 .color(file_status_label_color(file_status))
8419 .buffer_font(cx)
8420 .when(
8421 file_status.is_some_and(|s| s.is_deleted()),
8422 |label| label.strikethrough(),
8423 ),
8424 )
8425 .tooltip(move |_, cx| {
8426 Tooltip::with_meta(
8427 "Open File",
8428 None,
8429 full_path.clone(),
8430 cx,
8431 )
8432 })
8433 .on_click(window.listener_for(editor, {
8434 let jump_data = jump_data.clone();
8435 move |editor, e: &ClickEvent, window, cx| {
8436 editor.open_excerpts_common(
8437 Some(jump_data.clone()),
8438 e.modifiers().secondary(),
8439 window,
8440 cx,
8441 );
8442 }
8443 })),
8444 )
8445 .when_some(parent_path, |then, path| {
8446 then.child(
8447 Label::new(path)
8448 .buffer_font(cx)
8449 .truncate_start()
8450 .color(
8451 if file_status
8452 .is_some_and(FileStatus::is_deleted)
8453 {
8454 Color::Custom(colors.text_disabled)
8455 } else {
8456 Color::Custom(colors.text_muted)
8457 },
8458 ),
8459 )
8460 })
8461 .when(!for_excerpt.buffer.capability.editable(), |el| {
8462 el.child(Icon::new(IconName::FileLock).color(Color::Muted))
8463 })
8464 .when_some(breadcrumbs, |then, breadcrumbs| {
8465 let font = theme_settings::ThemeSettings::get_global(cx)
8466 .buffer_font
8467 .clone();
8468 then.child(render_breadcrumb_text(
8469 breadcrumbs,
8470 Some(font),
8471 None,
8472 editor_handle,
8473 true,
8474 window,
8475 cx,
8476 ))
8477 })
8478 },
8479 ))
8480 .when(can_open_excerpts && relative_path.is_some(), |this| {
8481 this.child(
8482 div()
8483 .when(!is_selected, |this| {
8484 this.visible_on_hover("buffer-header-group")
8485 })
8486 .child(
8487 Button::new("open-file-button", "Open File")
8488 .style(ButtonStyle::OutlinedGhost)
8489 .when(is_selected, |this| {
8490 this.key_binding(KeyBinding::for_action_in(
8491 &OpenExcerpts,
8492 &focus_handle,
8493 cx,
8494 ))
8495 })
8496 .on_click(window.listener_for(editor, {
8497 let jump_data = jump_data.clone();
8498 move |editor, e: &ClickEvent, window, cx| {
8499 editor.open_excerpts_common(
8500 Some(jump_data.clone()),
8501 e.modifiers().secondary(),
8502 window,
8503 cx,
8504 );
8505 }
8506 })),
8507 ),
8508 )
8509 })
8510 .on_mouse_down(MouseButton::Left, |_, _, cx| cx.stop_propagation())
8511 .on_click(window.listener_for(editor, {
8512 let buffer_id = for_excerpt.buffer_id;
8513 move |editor, e: &ClickEvent, window, cx| {
8514 if e.modifiers().alt {
8515 editor.open_excerpts_common(
8516 Some(jump_data.clone()),
8517 e.modifiers().secondary(),
8518 window,
8519 cx,
8520 );
8521 return;
8522 }
8523
8524 if is_folded {
8525 editor.unfold_buffer(buffer_id, cx);
8526 } else {
8527 editor.fold_buffer(buffer_id, cx);
8528 }
8529 }
8530 })),
8531 ),
8532 );
8533
8534 let file = for_excerpt.buffer.file().cloned();
8535 let editor = editor.clone();
8536
8537 right_click_menu("buffer-header-context-menu")
8538 .trigger(move |_, _, _| header)
8539 .menu(move |window, cx| {
8540 let menu_context = focus_handle.clone();
8541 let editor = editor.clone();
8542 let file = file.clone();
8543 ContextMenu::build(window, cx, move |mut menu, window, cx| {
8544 if let Some(file) = file
8545 && let Some(project) = editor.read(cx).project()
8546 && let Some(worktree) =
8547 project.read(cx).worktree_for_id(file.worktree_id(cx), cx)
8548 {
8549 let path_style = file.path_style(cx);
8550 let worktree = worktree.read(cx);
8551 let relative_path = file.path();
8552 let entry_for_path = worktree.entry_for_path(relative_path);
8553 let abs_path = entry_for_path.map(|e| {
8554 e.canonical_path
8555 .as_deref()
8556 .map_or_else(|| worktree.absolutize(relative_path), Path::to_path_buf)
8557 });
8558 let has_relative_path = worktree.root_entry().is_some_and(Entry::is_dir);
8559
8560 let parent_abs_path = abs_path
8561 .as_ref()
8562 .and_then(|abs_path| Some(abs_path.parent()?.to_path_buf()));
8563 let relative_path = has_relative_path
8564 .then_some(relative_path)
8565 .map(ToOwned::to_owned);
8566
8567 let visible_in_project_panel = relative_path.is_some() && worktree.is_visible();
8568 let reveal_in_project_panel = entry_for_path
8569 .filter(|_| visible_in_project_panel)
8570 .map(|entry| entry.id);
8571 menu = menu
8572 .when_some(abs_path, |menu, abs_path| {
8573 menu.entry(
8574 "Copy Path",
8575 Some(Box::new(zed_actions::workspace::CopyPath)),
8576 window.handler_for(&editor, move |_, _, cx| {
8577 cx.write_to_clipboard(ClipboardItem::new_string(
8578 abs_path.to_string_lossy().into_owned(),
8579 ));
8580 }),
8581 )
8582 })
8583 .when_some(relative_path, |menu, relative_path| {
8584 menu.entry(
8585 "Copy Relative Path",
8586 Some(Box::new(zed_actions::workspace::CopyRelativePath)),
8587 window.handler_for(&editor, move |_, _, cx| {
8588 cx.write_to_clipboard(ClipboardItem::new_string(
8589 relative_path.display(path_style).to_string(),
8590 ));
8591 }),
8592 )
8593 })
8594 .when(
8595 reveal_in_project_panel.is_some() || parent_abs_path.is_some(),
8596 |menu| menu.separator(),
8597 )
8598 .when_some(reveal_in_project_panel, |menu, entry_id| {
8599 menu.entry(
8600 "Reveal In Project Panel",
8601 Some(Box::new(RevealInProjectPanel::default())),
8602 window.handler_for(&editor, move |editor, _, cx| {
8603 if let Some(project) = &mut editor.project {
8604 project.update(cx, |_, cx| {
8605 cx.emit(project::Event::RevealInProjectPanel(entry_id))
8606 });
8607 }
8608 }),
8609 )
8610 })
8611 .when_some(parent_abs_path, |menu, parent_abs_path| {
8612 menu.entry(
8613 "Open in Terminal",
8614 Some(Box::new(OpenInTerminal)),
8615 window.handler_for(&editor, move |_, window, cx| {
8616 window.dispatch_action(
8617 OpenTerminal {
8618 working_directory: parent_abs_path.clone(),
8619 local: false,
8620 }
8621 .boxed_clone(),
8622 cx,
8623 );
8624 }),
8625 )
8626 });
8627 }
8628
8629 menu.context(menu_context)
8630 })
8631 })
8632}
8633
8634fn prepaint_gutter_button(
8635 mut button: AnyElement,
8636 row: DisplayRow,
8637 line_height: Pixels,
8638 gutter_dimensions: &GutterDimensions,
8639 scroll_position: gpui::Point<ScrollOffset>,
8640 gutter_hitbox: &Hitbox,
8641 window: &mut Window,
8642 cx: &mut App,
8643) -> AnyElement {
8644 let available_space = size(
8645 AvailableSpace::MinContent,
8646 AvailableSpace::Definite(line_height),
8647 );
8648 let indicator_size = button.layout_as_root(available_space, window, cx);
8649 let git_gutter_width = EditorElement::gutter_strip_width(line_height)
8650 + gutter_dimensions
8651 .git_blame_entries_width
8652 .unwrap_or_default();
8653
8654 let x = git_gutter_width + px(2.);
8655
8656 let mut y =
8657 Pixels::from((row.as_f64() - scroll_position.y) * ScrollPixelOffset::from(line_height));
8658 y += (line_height - indicator_size.height) / 2.;
8659
8660 button.prepaint_as_root(
8661 gutter_hitbox.origin + point(x, y),
8662 available_space,
8663 window,
8664 cx,
8665 );
8666 button
8667}
8668
8669fn render_inline_blame_entry(
8670 blame_entry: BlameEntry,
8671 style: &EditorStyle,
8672 cx: &mut App,
8673) -> Option<AnyElement> {
8674 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
8675 renderer.render_inline_blame_entry(&style.text, blame_entry, cx)
8676}
8677
8678fn render_blame_entry_popover(
8679 blame_entry: BlameEntry,
8680 scroll_handle: ScrollHandle,
8681 commit_message: Option<ParsedCommitMessage>,
8682 markdown: Entity<Markdown>,
8683 workspace: WeakEntity<Workspace>,
8684 blame: &Entity<GitBlame>,
8685 buffer: BufferId,
8686 window: &mut Window,
8687 cx: &mut App,
8688) -> Option<AnyElement> {
8689 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
8690 let blame = blame.read(cx);
8691 let repository = blame.repository(cx, buffer)?;
8692 renderer.render_blame_entry_popover(
8693 blame_entry,
8694 scroll_handle,
8695 commit_message,
8696 markdown,
8697 repository,
8698 workspace,
8699 window,
8700 cx,
8701 )
8702}
8703
8704fn render_blame_entry(
8705 ix: usize,
8706 blame: &Entity<GitBlame>,
8707 blame_entry: BlameEntry,
8708 style: &EditorStyle,
8709 last_used_color: &mut Option<(Hsla, Oid)>,
8710 editor: Entity<Editor>,
8711 workspace: Entity<Workspace>,
8712 buffer: BufferId,
8713 renderer: &dyn BlameRenderer,
8714 window: &mut Window,
8715 cx: &mut App,
8716) -> Option<AnyElement> {
8717 let index: u32 = blame_entry.sha.into();
8718 let mut sha_color = cx.theme().players().color_for_participant(index).cursor;
8719
8720 // If the last color we used is the same as the one we get for this line, but
8721 // the commit SHAs are different, then we try again to get a different color.
8722 if let Some((color, sha)) = *last_used_color
8723 && sha != blame_entry.sha
8724 && color == sha_color
8725 {
8726 sha_color = cx.theme().players().color_for_participant(index + 1).cursor;
8727 }
8728 last_used_color.replace((sha_color, blame_entry.sha));
8729
8730 let blame = blame.read(cx);
8731 let details = blame.details_for_entry(buffer, &blame_entry);
8732 let repository = blame.repository(cx, buffer)?;
8733 renderer.render_blame_entry(
8734 &style.text,
8735 blame_entry,
8736 details,
8737 repository,
8738 workspace.downgrade(),
8739 editor,
8740 ix,
8741 sha_color,
8742 window,
8743 cx,
8744 )
8745}
8746
8747#[derive(Debug)]
8748pub(crate) struct LineWithInvisibles {
8749 fragments: SmallVec<[LineFragment; 1]>,
8750 invisibles: Vec<Invisible>,
8751 len: usize,
8752 pub(crate) width: Pixels,
8753 font_size: Pixels,
8754}
8755
8756enum LineFragment {
8757 Text(ShapedLine),
8758 Element {
8759 id: ChunkRendererId,
8760 element: Option<AnyElement>,
8761 size: Size<Pixels>,
8762 len: usize,
8763 },
8764}
8765
8766impl fmt::Debug for LineFragment {
8767 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
8768 match self {
8769 LineFragment::Text(shaped_line) => f.debug_tuple("Text").field(shaped_line).finish(),
8770 LineFragment::Element { size, len, .. } => f
8771 .debug_struct("Element")
8772 .field("size", size)
8773 .field("len", len)
8774 .finish(),
8775 }
8776 }
8777}
8778
8779impl LineWithInvisibles {
8780 fn from_chunks<'a>(
8781 chunks: impl Iterator<Item = HighlightedChunk<'a>>,
8782 editor_style: &EditorStyle,
8783 max_line_len: usize,
8784 max_line_count: usize,
8785 editor_mode: &EditorMode,
8786 text_width: Pixels,
8787 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
8788 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
8789 window: &mut Window,
8790 cx: &mut App,
8791 ) -> Vec<Self> {
8792 let text_style = &editor_style.text;
8793 let mut layouts = Vec::with_capacity(max_line_count);
8794 let mut fragments: SmallVec<[LineFragment; 1]> = SmallVec::new();
8795 let mut line = String::new();
8796 let mut invisibles = Vec::new();
8797 let mut width = Pixels::ZERO;
8798 let mut len = 0;
8799 let mut styles = Vec::new();
8800 let mut non_whitespace_added = false;
8801 let mut row = 0;
8802 let mut line_exceeded_max_len = false;
8803 let font_size = text_style.font_size.to_pixels(window.rem_size());
8804 let min_contrast = EditorSettings::get_global(cx).minimum_contrast_for_highlights;
8805
8806 let ellipsis = SharedString::from("β―");
8807
8808 for highlighted_chunk in chunks.chain([HighlightedChunk {
8809 text: "\n",
8810 style: None,
8811 is_tab: false,
8812 is_inlay: false,
8813 replacement: None,
8814 }]) {
8815 if let Some(replacement) = highlighted_chunk.replacement {
8816 if !line.is_empty() {
8817 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
8818 let text_runs: &[TextRun] = if segments.is_empty() {
8819 &styles
8820 } else {
8821 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
8822 };
8823 let shaped_line = window.text_system().shape_line(
8824 line.clone().into(),
8825 font_size,
8826 text_runs,
8827 None,
8828 );
8829 width += shaped_line.width;
8830 len += shaped_line.len;
8831 fragments.push(LineFragment::Text(shaped_line));
8832 line.clear();
8833 styles.clear();
8834 }
8835
8836 match replacement {
8837 ChunkReplacement::Renderer(renderer) => {
8838 let available_width = if renderer.constrain_width {
8839 let chunk = if highlighted_chunk.text == ellipsis.as_ref() {
8840 ellipsis.clone()
8841 } else {
8842 SharedString::from(Arc::from(highlighted_chunk.text))
8843 };
8844 let shaped_line = window.text_system().shape_line(
8845 chunk,
8846 font_size,
8847 &[text_style.to_run(highlighted_chunk.text.len())],
8848 None,
8849 );
8850 AvailableSpace::Definite(shaped_line.width)
8851 } else {
8852 AvailableSpace::MinContent
8853 };
8854
8855 let mut element = (renderer.render)(&mut ChunkRendererContext {
8856 context: cx,
8857 window,
8858 max_width: text_width,
8859 });
8860 let line_height = text_style.line_height_in_pixels(window.rem_size());
8861 let size = element.layout_as_root(
8862 size(available_width, AvailableSpace::Definite(line_height)),
8863 window,
8864 cx,
8865 );
8866
8867 width += size.width;
8868 len += highlighted_chunk.text.len();
8869 fragments.push(LineFragment::Element {
8870 id: renderer.id,
8871 element: Some(element),
8872 size,
8873 len: highlighted_chunk.text.len(),
8874 });
8875 }
8876 ChunkReplacement::Str(x) => {
8877 let text_style = if let Some(style) = highlighted_chunk.style {
8878 Cow::Owned(text_style.clone().highlight(style))
8879 } else {
8880 Cow::Borrowed(text_style)
8881 };
8882
8883 let run = TextRun {
8884 len: x.len(),
8885 font: text_style.font(),
8886 color: text_style.color,
8887 background_color: text_style.background_color,
8888 underline: text_style.underline,
8889 strikethrough: text_style.strikethrough,
8890 };
8891 let line_layout = window
8892 .text_system()
8893 .shape_line(x, font_size, &[run], None)
8894 .with_len(highlighted_chunk.text.len());
8895
8896 width += line_layout.width;
8897 len += highlighted_chunk.text.len();
8898 fragments.push(LineFragment::Text(line_layout))
8899 }
8900 }
8901 } else {
8902 for (ix, mut line_chunk) in highlighted_chunk.text.split('\n').enumerate() {
8903 if ix > 0 {
8904 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
8905 let text_runs = if segments.is_empty() {
8906 &styles
8907 } else {
8908 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
8909 };
8910 let shaped_line = window.text_system().shape_line(
8911 line.clone().into(),
8912 font_size,
8913 text_runs,
8914 None,
8915 );
8916 width += shaped_line.width;
8917 len += shaped_line.len;
8918 fragments.push(LineFragment::Text(shaped_line));
8919 layouts.push(Self {
8920 width: mem::take(&mut width),
8921 len: mem::take(&mut len),
8922 fragments: mem::take(&mut fragments),
8923 invisibles: std::mem::take(&mut invisibles),
8924 font_size,
8925 });
8926
8927 line.clear();
8928 styles.clear();
8929 row += 1;
8930 line_exceeded_max_len = false;
8931 non_whitespace_added = false;
8932 if row == max_line_count {
8933 return layouts;
8934 }
8935 }
8936
8937 if !line_chunk.is_empty() && !line_exceeded_max_len {
8938 let text_style = if let Some(style) = highlighted_chunk.style {
8939 Cow::Owned(text_style.clone().highlight(style))
8940 } else {
8941 Cow::Borrowed(text_style)
8942 };
8943
8944 if line.len() + line_chunk.len() > max_line_len {
8945 let mut chunk_len = max_line_len - line.len();
8946 while !line_chunk.is_char_boundary(chunk_len) {
8947 chunk_len -= 1;
8948 }
8949 line_chunk = &line_chunk[..chunk_len];
8950 line_exceeded_max_len = true;
8951 }
8952
8953 styles.push(TextRun {
8954 len: line_chunk.len(),
8955 font: text_style.font(),
8956 color: text_style.color,
8957 background_color: text_style.background_color,
8958 underline: text_style.underline,
8959 strikethrough: text_style.strikethrough,
8960 });
8961
8962 if editor_mode.is_full() && !highlighted_chunk.is_inlay {
8963 // Line wrap pads its contents with fake whitespaces,
8964 // avoid printing them
8965 let is_soft_wrapped = is_row_soft_wrapped(row);
8966 if highlighted_chunk.is_tab {
8967 if non_whitespace_added || !is_soft_wrapped {
8968 invisibles.push(Invisible::Tab {
8969 line_start_offset: line.len(),
8970 line_end_offset: line.len() + line_chunk.len(),
8971 });
8972 }
8973 } else {
8974 invisibles.extend(line_chunk.char_indices().filter_map(
8975 |(index, c)| {
8976 let is_whitespace = c.is_whitespace();
8977 non_whitespace_added |= !is_whitespace;
8978 if is_whitespace
8979 && (non_whitespace_added || !is_soft_wrapped)
8980 {
8981 Some(Invisible::Whitespace {
8982 line_offset: line.len() + index,
8983 })
8984 } else {
8985 None
8986 }
8987 },
8988 ))
8989 }
8990 }
8991
8992 line.push_str(line_chunk);
8993 }
8994 }
8995 }
8996 }
8997
8998 layouts
8999 }
9000
9001 /// Takes text runs and non-overlapping left-to-right background ranges with color.
9002 /// Returns new text runs with adjusted contrast as per background ranges.
9003 fn split_runs_by_bg_segments(
9004 text_runs: &[TextRun],
9005 bg_segments: &[(Range<DisplayPoint>, Hsla)],
9006 min_contrast: f32,
9007 start_col_offset: usize,
9008 ) -> Vec<TextRun> {
9009 let mut output_runs: Vec<TextRun> = Vec::with_capacity(text_runs.len());
9010 let mut line_col = start_col_offset;
9011 let mut segment_ix = 0usize;
9012
9013 for text_run in text_runs.iter() {
9014 let run_start_col = line_col;
9015 let run_end_col = run_start_col + text_run.len;
9016 while segment_ix < bg_segments.len()
9017 && (bg_segments[segment_ix].0.end.column() as usize) <= run_start_col
9018 {
9019 segment_ix += 1;
9020 }
9021 let mut cursor_col = run_start_col;
9022 let mut local_segment_ix = segment_ix;
9023 while local_segment_ix < bg_segments.len() {
9024 let (range, segment_color) = &bg_segments[local_segment_ix];
9025 let segment_start_col = range.start.column() as usize;
9026 let segment_end_col = range.end.column() as usize;
9027 if segment_start_col >= run_end_col {
9028 break;
9029 }
9030 if segment_start_col > cursor_col {
9031 let span_len = segment_start_col - cursor_col;
9032 output_runs.push(TextRun {
9033 len: span_len,
9034 font: text_run.font.clone(),
9035 color: text_run.color,
9036 background_color: text_run.background_color,
9037 underline: text_run.underline,
9038 strikethrough: text_run.strikethrough,
9039 });
9040 cursor_col = segment_start_col;
9041 }
9042 let segment_slice_end_col = segment_end_col.min(run_end_col);
9043 if segment_slice_end_col > cursor_col {
9044 let new_text_color =
9045 ensure_minimum_contrast(text_run.color, *segment_color, min_contrast);
9046 output_runs.push(TextRun {
9047 len: segment_slice_end_col - cursor_col,
9048 font: text_run.font.clone(),
9049 color: new_text_color,
9050 background_color: text_run.background_color,
9051 underline: text_run.underline,
9052 strikethrough: text_run.strikethrough,
9053 });
9054 cursor_col = segment_slice_end_col;
9055 }
9056 if segment_end_col >= run_end_col {
9057 break;
9058 }
9059 local_segment_ix += 1;
9060 }
9061 if cursor_col < run_end_col {
9062 output_runs.push(TextRun {
9063 len: run_end_col - cursor_col,
9064 font: text_run.font.clone(),
9065 color: text_run.color,
9066 background_color: text_run.background_color,
9067 underline: text_run.underline,
9068 strikethrough: text_run.strikethrough,
9069 });
9070 }
9071 line_col = run_end_col;
9072 segment_ix = local_segment_ix;
9073 }
9074 output_runs
9075 }
9076
9077 fn prepaint(
9078 &mut self,
9079 line_height: Pixels,
9080 scroll_position: gpui::Point<ScrollOffset>,
9081 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
9082 row: DisplayRow,
9083 content_origin: gpui::Point<Pixels>,
9084 line_elements: &mut SmallVec<[AnyElement; 1]>,
9085 window: &mut Window,
9086 cx: &mut App,
9087 ) {
9088 let line_y = f32::from(line_height) * Pixels::from(row.as_f64() - scroll_position.y);
9089 self.prepaint_with_custom_offset(
9090 line_height,
9091 scroll_pixel_position,
9092 content_origin,
9093 line_y,
9094 line_elements,
9095 window,
9096 cx,
9097 );
9098 }
9099
9100 fn prepaint_with_custom_offset(
9101 &mut self,
9102 line_height: Pixels,
9103 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
9104 content_origin: gpui::Point<Pixels>,
9105 line_y: Pixels,
9106 line_elements: &mut SmallVec<[AnyElement; 1]>,
9107 window: &mut Window,
9108 cx: &mut App,
9109 ) {
9110 let mut fragment_origin =
9111 content_origin + gpui::point(Pixels::from(-scroll_pixel_position.x), line_y);
9112 for fragment in &mut self.fragments {
9113 match fragment {
9114 LineFragment::Text(line) => {
9115 fragment_origin.x += line.width;
9116 }
9117 LineFragment::Element { element, size, .. } => {
9118 let mut element = element
9119 .take()
9120 .expect("you can't prepaint LineWithInvisibles twice");
9121
9122 // Center the element vertically within the line.
9123 let mut element_origin = fragment_origin;
9124 element_origin.y += (line_height - size.height) / 2.;
9125 element.prepaint_at(element_origin, window, cx);
9126 line_elements.push(element);
9127
9128 fragment_origin.x += size.width;
9129 }
9130 }
9131 }
9132 }
9133
9134 fn draw(
9135 &self,
9136 layout: &EditorLayout,
9137 row: DisplayRow,
9138 content_origin: gpui::Point<Pixels>,
9139 whitespace_setting: ShowWhitespaceSetting,
9140 selection_ranges: &[Range<DisplayPoint>],
9141 window: &mut Window,
9142 cx: &mut App,
9143 ) {
9144 self.draw_with_custom_offset(
9145 layout,
9146 row,
9147 content_origin,
9148 layout.position_map.line_height
9149 * (row.as_f64() - layout.position_map.scroll_position.y) as f32,
9150 whitespace_setting,
9151 selection_ranges,
9152 window,
9153 cx,
9154 );
9155 }
9156
9157 fn draw_with_custom_offset(
9158 &self,
9159 layout: &EditorLayout,
9160 row: DisplayRow,
9161 content_origin: gpui::Point<Pixels>,
9162 line_y: Pixels,
9163 whitespace_setting: ShowWhitespaceSetting,
9164 selection_ranges: &[Range<DisplayPoint>],
9165 window: &mut Window,
9166 cx: &mut App,
9167 ) {
9168 let line_height = layout.position_map.line_height;
9169 let mut fragment_origin = content_origin
9170 + gpui::point(
9171 Pixels::from(-layout.position_map.scroll_pixel_position.x),
9172 line_y,
9173 );
9174
9175 for fragment in &self.fragments {
9176 match fragment {
9177 LineFragment::Text(line) => {
9178 line.paint(
9179 fragment_origin,
9180 line_height,
9181 layout.text_align,
9182 Some(layout.content_width),
9183 window,
9184 cx,
9185 )
9186 .log_err();
9187 fragment_origin.x += line.width;
9188 }
9189 LineFragment::Element { size, .. } => {
9190 fragment_origin.x += size.width;
9191 }
9192 }
9193 }
9194
9195 self.draw_invisibles(
9196 selection_ranges,
9197 layout,
9198 content_origin,
9199 line_y,
9200 row,
9201 line_height,
9202 whitespace_setting,
9203 window,
9204 cx,
9205 );
9206 }
9207
9208 fn draw_background(
9209 &self,
9210 layout: &EditorLayout,
9211 row: DisplayRow,
9212 content_origin: gpui::Point<Pixels>,
9213 window: &mut Window,
9214 cx: &mut App,
9215 ) {
9216 let line_height = layout.position_map.line_height;
9217 let line_y = line_height * (row.as_f64() - layout.position_map.scroll_position.y) as f32;
9218
9219 let mut fragment_origin = content_origin
9220 + gpui::point(
9221 Pixels::from(-layout.position_map.scroll_pixel_position.x),
9222 line_y,
9223 );
9224
9225 for fragment in &self.fragments {
9226 match fragment {
9227 LineFragment::Text(line) => {
9228 line.paint_background(
9229 fragment_origin,
9230 line_height,
9231 layout.text_align,
9232 Some(layout.content_width),
9233 window,
9234 cx,
9235 )
9236 .log_err();
9237 fragment_origin.x += line.width;
9238 }
9239 LineFragment::Element { size, .. } => {
9240 fragment_origin.x += size.width;
9241 }
9242 }
9243 }
9244 }
9245
9246 fn draw_invisibles(
9247 &self,
9248 selection_ranges: &[Range<DisplayPoint>],
9249 layout: &EditorLayout,
9250 content_origin: gpui::Point<Pixels>,
9251 line_y: Pixels,
9252 row: DisplayRow,
9253 line_height: Pixels,
9254 whitespace_setting: ShowWhitespaceSetting,
9255 window: &mut Window,
9256 cx: &mut App,
9257 ) {
9258 let extract_whitespace_info = |invisible: &Invisible| {
9259 let (token_offset, token_end_offset, invisible_symbol) = match invisible {
9260 Invisible::Tab {
9261 line_start_offset,
9262 line_end_offset,
9263 } => (*line_start_offset, *line_end_offset, &layout.tab_invisible),
9264 Invisible::Whitespace { line_offset } => {
9265 (*line_offset, line_offset + 1, &layout.space_invisible)
9266 }
9267 };
9268
9269 let x_offset: ScrollPixelOffset = self.x_for_index(token_offset).into();
9270 let invisible_offset: ScrollPixelOffset =
9271 ((layout.position_map.em_width - invisible_symbol.width).max(Pixels::ZERO) / 2.0)
9272 .into();
9273 let origin = content_origin
9274 + gpui::point(
9275 Pixels::from(
9276 x_offset + invisible_offset - layout.position_map.scroll_pixel_position.x,
9277 ),
9278 line_y,
9279 );
9280
9281 (
9282 [token_offset, token_end_offset],
9283 Box::new(move |window: &mut Window, cx: &mut App| {
9284 invisible_symbol
9285 .paint(origin, line_height, TextAlign::Left, None, window, cx)
9286 .log_err();
9287 }),
9288 )
9289 };
9290
9291 let invisible_iter = self.invisibles.iter().map(extract_whitespace_info);
9292 match whitespace_setting {
9293 ShowWhitespaceSetting::None => (),
9294 ShowWhitespaceSetting::All => invisible_iter.for_each(|(_, paint)| paint(window, cx)),
9295 ShowWhitespaceSetting::Selection => invisible_iter.for_each(|([start, _], paint)| {
9296 let invisible_point = DisplayPoint::new(row, start as u32);
9297 if !selection_ranges
9298 .iter()
9299 .any(|region| region.start <= invisible_point && invisible_point < region.end)
9300 {
9301 return;
9302 }
9303
9304 paint(window, cx);
9305 }),
9306
9307 ShowWhitespaceSetting::Trailing => {
9308 let mut previous_start = self.len;
9309 for ([start, end], paint) in invisible_iter.rev() {
9310 if previous_start != end {
9311 break;
9312 }
9313 previous_start = start;
9314 paint(window, cx);
9315 }
9316 }
9317
9318 // For a whitespace to be on a boundary, any of the following conditions need to be met:
9319 // - It is a tab
9320 // - It is adjacent to an edge (start or end)
9321 // - It is adjacent to a whitespace (left or right)
9322 ShowWhitespaceSetting::Boundary => {
9323 // 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
9324 // the above cases.
9325 // Note: We zip in the original `invisibles` to check for tab equality
9326 let mut last_seen: Option<(bool, usize, Box<dyn Fn(&mut Window, &mut App)>)> = None;
9327 for (([start, end], paint), invisible) in
9328 invisible_iter.zip_eq(self.invisibles.iter())
9329 {
9330 let should_render = match (&last_seen, invisible) {
9331 (_, Invisible::Tab { .. }) => true,
9332 (Some((_, last_end, _)), _) => *last_end == start,
9333 _ => false,
9334 };
9335
9336 if should_render || start == 0 || end == self.len {
9337 paint(window, cx);
9338
9339 // Since we are scanning from the left, we will skip over the first available whitespace that is part
9340 // of a boundary between non-whitespace segments, so we correct by manually redrawing it if needed.
9341 if let Some((should_render_last, last_end, paint_last)) = last_seen {
9342 // Note that we need to make sure that the last one is actually adjacent
9343 if !should_render_last && last_end == start {
9344 paint_last(window, cx);
9345 }
9346 }
9347 }
9348
9349 // Manually render anything within a selection
9350 let invisible_point = DisplayPoint::new(row, start as u32);
9351 if selection_ranges.iter().any(|region| {
9352 region.start <= invisible_point && invisible_point < region.end
9353 }) {
9354 paint(window, cx);
9355 }
9356
9357 last_seen = Some((should_render, end, paint));
9358 }
9359 }
9360 }
9361 }
9362
9363 pub fn x_for_index(&self, index: usize) -> Pixels {
9364 let mut fragment_start_x = Pixels::ZERO;
9365 let mut fragment_start_index = 0;
9366
9367 for fragment in &self.fragments {
9368 match fragment {
9369 LineFragment::Text(shaped_line) => {
9370 let fragment_end_index = fragment_start_index + shaped_line.len;
9371 if index < fragment_end_index {
9372 return fragment_start_x
9373 + shaped_line.x_for_index(index - fragment_start_index);
9374 }
9375 fragment_start_x += shaped_line.width;
9376 fragment_start_index = fragment_end_index;
9377 }
9378 LineFragment::Element { len, size, .. } => {
9379 let fragment_end_index = fragment_start_index + len;
9380 if index < fragment_end_index {
9381 return fragment_start_x;
9382 }
9383 fragment_start_x += size.width;
9384 fragment_start_index = fragment_end_index;
9385 }
9386 }
9387 }
9388
9389 fragment_start_x
9390 }
9391
9392 pub fn index_for_x(&self, x: Pixels) -> Option<usize> {
9393 let mut fragment_start_x = Pixels::ZERO;
9394 let mut fragment_start_index = 0;
9395
9396 for fragment in &self.fragments {
9397 match fragment {
9398 LineFragment::Text(shaped_line) => {
9399 let fragment_end_x = fragment_start_x + shaped_line.width;
9400 if x < fragment_end_x {
9401 return Some(
9402 fragment_start_index + shaped_line.index_for_x(x - fragment_start_x)?,
9403 );
9404 }
9405 fragment_start_x = fragment_end_x;
9406 fragment_start_index += shaped_line.len;
9407 }
9408 LineFragment::Element { len, size, .. } => {
9409 let fragment_end_x = fragment_start_x + size.width;
9410 if x < fragment_end_x {
9411 return Some(fragment_start_index);
9412 }
9413 fragment_start_index += len;
9414 fragment_start_x = fragment_end_x;
9415 }
9416 }
9417 }
9418
9419 None
9420 }
9421
9422 pub fn font_id_for_index(&self, index: usize) -> Option<FontId> {
9423 let mut fragment_start_index = 0;
9424
9425 for fragment in &self.fragments {
9426 match fragment {
9427 LineFragment::Text(shaped_line) => {
9428 let fragment_end_index = fragment_start_index + shaped_line.len;
9429 if index < fragment_end_index {
9430 return shaped_line.font_id_for_index(index - fragment_start_index);
9431 }
9432 fragment_start_index = fragment_end_index;
9433 }
9434 LineFragment::Element { len, .. } => {
9435 let fragment_end_index = fragment_start_index + len;
9436 if index < fragment_end_index {
9437 return None;
9438 }
9439 fragment_start_index = fragment_end_index;
9440 }
9441 }
9442 }
9443
9444 None
9445 }
9446
9447 pub fn alignment_offset(&self, text_align: TextAlign, content_width: Pixels) -> Pixels {
9448 let line_width = self.width;
9449 match text_align {
9450 TextAlign::Left => px(0.0),
9451 TextAlign::Center => (content_width - line_width) / 2.0,
9452 TextAlign::Right => content_width - line_width,
9453 }
9454 }
9455}
9456
9457#[derive(Debug, Clone, Copy, PartialEq, Eq)]
9458enum Invisible {
9459 /// A tab character
9460 ///
9461 /// A tab character is internally represented by spaces (configured by the user's tab width)
9462 /// aligned to the nearest column, so it's necessary to store the start and end offset for
9463 /// adjacency checks.
9464 Tab {
9465 line_start_offset: usize,
9466 line_end_offset: usize,
9467 },
9468 Whitespace {
9469 line_offset: usize,
9470 },
9471}
9472
9473impl EditorElement {
9474 /// Returns the rem size to use when rendering the [`EditorElement`].
9475 ///
9476 /// This allows UI elements to scale based on the `buffer_font_size`.
9477 fn rem_size(&self, cx: &mut App) -> Option<Pixels> {
9478 match self.editor.read(cx).mode {
9479 EditorMode::Full {
9480 scale_ui_elements_with_buffer_font_size: true,
9481 ..
9482 }
9483 | EditorMode::Minimap { .. } => {
9484 let buffer_font_size = self.style.text.font_size;
9485 match buffer_font_size {
9486 AbsoluteLength::Pixels(pixels) => {
9487 let rem_size_scale = {
9488 // Our default UI font size is 14px on a 16px base scale.
9489 // This means the default UI font size is 0.875rems.
9490 let default_font_size_scale = 14. / ui::BASE_REM_SIZE_IN_PX;
9491
9492 // We then determine the delta between a single rem and the default font
9493 // size scale.
9494 let default_font_size_delta = 1. - default_font_size_scale;
9495
9496 // Finally, we add this delta to 1rem to get the scale factor that
9497 // should be used to scale up the UI.
9498 1. + default_font_size_delta
9499 };
9500
9501 Some(pixels * rem_size_scale)
9502 }
9503 AbsoluteLength::Rems(rems) => {
9504 Some(rems.to_pixels(ui::BASE_REM_SIZE_IN_PX.into()))
9505 }
9506 }
9507 }
9508 // We currently use single-line and auto-height editors in UI contexts,
9509 // so we don't want to scale everything with the buffer font size, as it
9510 // ends up looking off.
9511 _ => None,
9512 }
9513 }
9514
9515 fn editor_with_selections(&self, cx: &App) -> Option<Entity<Editor>> {
9516 if let EditorMode::Minimap { parent } = self.editor.read(cx).mode() {
9517 parent.upgrade()
9518 } else {
9519 Some(self.editor.clone())
9520 }
9521 }
9522}
9523
9524#[derive(Default)]
9525pub struct EditorRequestLayoutState {
9526 // We use prepaint depth to limit the number of times prepaint is
9527 // called recursively. We need this so that we can update stale
9528 // data for e.g. block heights in block map.
9529 prepaint_depth: Rc<Cell<usize>>,
9530}
9531
9532impl EditorRequestLayoutState {
9533 // In ideal conditions we only need one more subsequent prepaint call for resize to take effect.
9534 // i.e. MAX_PREPAINT_DEPTH = 2, but since moving blocks inline (place_near), more lines from
9535 // below get exposed, and we end up querying blocks for those lines too in subsequent renders.
9536 // Setting MAX_PREPAINT_DEPTH = 3, passes all tests. Just to be on the safe side we set it to 5, so
9537 // that subsequent shrinking does not lead to incorrect block placing.
9538 const MAX_PREPAINT_DEPTH: usize = 5;
9539
9540 fn increment_prepaint_depth(&self) -> EditorPrepaintGuard {
9541 let depth = self.prepaint_depth.get();
9542 self.prepaint_depth.set(depth + 1);
9543 EditorPrepaintGuard {
9544 prepaint_depth: self.prepaint_depth.clone(),
9545 }
9546 }
9547
9548 fn has_remaining_prepaint_depth(&self) -> bool {
9549 self.prepaint_depth.get() < Self::MAX_PREPAINT_DEPTH
9550 }
9551}
9552
9553struct EditorPrepaintGuard {
9554 prepaint_depth: Rc<Cell<usize>>,
9555}
9556
9557impl Drop for EditorPrepaintGuard {
9558 fn drop(&mut self) {
9559 let depth = self.prepaint_depth.get();
9560 self.prepaint_depth.set(depth.saturating_sub(1));
9561 }
9562}
9563
9564impl Element for EditorElement {
9565 type RequestLayoutState = EditorRequestLayoutState;
9566 type PrepaintState = EditorLayout;
9567
9568 fn id(&self) -> Option<ElementId> {
9569 None
9570 }
9571
9572 fn source_location(&self) -> Option<&'static core::panic::Location<'static>> {
9573 None
9574 }
9575
9576 fn request_layout(
9577 &mut self,
9578 _: Option<&GlobalElementId>,
9579 _inspector_id: Option<&gpui::InspectorElementId>,
9580 window: &mut Window,
9581 cx: &mut App,
9582 ) -> (gpui::LayoutId, Self::RequestLayoutState) {
9583 let rem_size = self.rem_size(cx);
9584 window.with_rem_size(rem_size, |window| {
9585 self.editor.update(cx, |editor, cx| {
9586 editor.set_style(self.style.clone(), window, cx);
9587
9588 let layout_id = match editor.mode {
9589 EditorMode::SingleLine => {
9590 let rem_size = window.rem_size();
9591 let height = self.style.text.line_height_in_pixels(rem_size);
9592 let mut style = Style::default();
9593 style.size.height = height.into();
9594 style.size.width = relative(1.).into();
9595 window.request_layout(style, None, cx)
9596 }
9597 EditorMode::AutoHeight {
9598 min_lines,
9599 max_lines,
9600 } => {
9601 let editor_handle = cx.entity();
9602 window.request_measured_layout(
9603 Style::default(),
9604 move |known_dimensions, available_space, window, cx| {
9605 editor_handle
9606 .update(cx, |editor, cx| {
9607 compute_auto_height_layout(
9608 editor,
9609 min_lines,
9610 max_lines,
9611 known_dimensions,
9612 available_space.width,
9613 window,
9614 cx,
9615 )
9616 })
9617 .unwrap_or_default()
9618 },
9619 )
9620 }
9621 EditorMode::Minimap { .. } => {
9622 let mut style = Style::default();
9623 style.size.width = relative(1.).into();
9624 style.size.height = relative(1.).into();
9625 window.request_layout(style, None, cx)
9626 }
9627 EditorMode::Full {
9628 sizing_behavior, ..
9629 } => {
9630 let mut style = Style::default();
9631 style.size.width = relative(1.).into();
9632 if sizing_behavior == SizingBehavior::SizeByContent {
9633 let snapshot = editor.snapshot(window, cx);
9634 let line_height =
9635 self.style.text.line_height_in_pixels(window.rem_size());
9636 let scroll_height =
9637 (snapshot.max_point().row().next_row().0 as f32) * line_height;
9638 style.size.height = scroll_height.into();
9639 } else {
9640 style.size.height = relative(1.).into();
9641 }
9642 window.request_layout(style, None, cx)
9643 }
9644 };
9645
9646 (layout_id, EditorRequestLayoutState::default())
9647 })
9648 })
9649 }
9650
9651 fn prepaint(
9652 &mut self,
9653 _: Option<&GlobalElementId>,
9654 _inspector_id: Option<&gpui::InspectorElementId>,
9655 bounds: Bounds<Pixels>,
9656 request_layout: &mut Self::RequestLayoutState,
9657 window: &mut Window,
9658 cx: &mut App,
9659 ) -> Self::PrepaintState {
9660 let _prepaint_depth_guard = request_layout.increment_prepaint_depth();
9661 let text_style = TextStyleRefinement {
9662 font_size: Some(self.style.text.font_size),
9663 line_height: Some(self.style.text.line_height),
9664 ..Default::default()
9665 };
9666
9667 let is_minimap = self.editor.read(cx).mode.is_minimap();
9668 let is_singleton = self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
9669
9670 if !is_minimap {
9671 let focus_handle = self.editor.focus_handle(cx);
9672 window.set_view_id(self.editor.entity_id());
9673 window.set_focus_handle(&focus_handle, cx);
9674 }
9675
9676 let rem_size = self.rem_size(cx);
9677 window.with_rem_size(rem_size, |window| {
9678 window.with_text_style(Some(text_style), |window| {
9679 window.with_content_mask(Some(ContentMask { bounds }), |window| {
9680 let (mut snapshot, is_read_only) = self.editor.update(cx, |editor, cx| {
9681 (editor.snapshot(window, cx), editor.read_only(cx))
9682 });
9683 let style = &self.style;
9684
9685 let rem_size = window.rem_size();
9686 let font_id = window.text_system().resolve_font(&style.text.font());
9687 let font_size = style.text.font_size.to_pixels(rem_size);
9688 let line_height = style.text.line_height_in_pixels(rem_size);
9689 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
9690 let em_advance = window.text_system().em_advance(font_id, font_size).unwrap();
9691 let em_layout_width = window.text_system().em_layout_width(font_id, font_size);
9692 let glyph_grid_cell = size(em_advance, line_height);
9693
9694 let gutter_dimensions =
9695 snapshot.gutter_dimensions(font_id, font_size, style, window, cx);
9696 let text_width = bounds.size.width - gutter_dimensions.width;
9697
9698 let settings = EditorSettings::get_global(cx);
9699 let scrollbars_shown = settings.scrollbar.show != ShowScrollbar::Never;
9700 let vertical_scrollbar_width = (scrollbars_shown
9701 && settings.scrollbar.axes.vertical
9702 && self.editor.read(cx).show_scrollbars.vertical)
9703 .then_some(style.scrollbar_width)
9704 .unwrap_or_default();
9705 let minimap_width = self
9706 .get_minimap_width(
9707 &settings.minimap,
9708 scrollbars_shown,
9709 text_width,
9710 em_width,
9711 font_size,
9712 rem_size,
9713 cx,
9714 )
9715 .unwrap_or_default();
9716
9717 let right_margin = minimap_width + vertical_scrollbar_width;
9718
9719 let extended_right = 2 * em_width + right_margin;
9720 let editor_width = text_width - gutter_dimensions.margin - extended_right;
9721 let editor_margins = EditorMargins {
9722 gutter: gutter_dimensions,
9723 right: right_margin,
9724 extended_right,
9725 };
9726
9727 snapshot = self.editor.update(cx, |editor, cx| {
9728 editor.last_bounds = Some(bounds);
9729 editor.gutter_dimensions = gutter_dimensions;
9730 editor.set_visible_line_count(
9731 (bounds.size.height / line_height) as f64,
9732 window,
9733 cx,
9734 );
9735 editor.set_visible_column_count(f64::from(editor_width / em_advance));
9736
9737 if matches!(
9738 editor.mode,
9739 EditorMode::AutoHeight { .. } | EditorMode::Minimap { .. }
9740 ) {
9741 snapshot
9742 } else {
9743 let wrap_width = calculate_wrap_width(
9744 editor.soft_wrap_mode(cx),
9745 editor_width,
9746 em_layout_width,
9747 );
9748
9749 if editor.set_wrap_width(wrap_width, cx) {
9750 editor.snapshot(window, cx)
9751 } else {
9752 snapshot
9753 }
9754 }
9755 });
9756
9757 let hitbox = window.insert_hitbox(bounds, HitboxBehavior::Normal);
9758 let gutter_hitbox = window.insert_hitbox(
9759 gutter_bounds(bounds, gutter_dimensions),
9760 HitboxBehavior::Normal,
9761 );
9762 let text_hitbox = window.insert_hitbox(
9763 Bounds {
9764 origin: gutter_hitbox.top_right(),
9765 size: size(text_width, bounds.size.height),
9766 },
9767 HitboxBehavior::Normal,
9768 );
9769
9770 // Offset the content_bounds from the text_bounds by the gutter margin (which
9771 // is roughly half a character wide) to make hit testing work more like how we want.
9772 let content_offset = point(editor_margins.gutter.margin, Pixels::ZERO);
9773 let content_origin = text_hitbox.origin + content_offset;
9774
9775 let height_in_lines = f64::from(bounds.size.height / line_height);
9776 let max_row = snapshot.max_point().row().as_f64();
9777
9778 // Calculate how much of the editor is clipped by parent containers (e.g., List).
9779 // This allows us to only render lines that are actually visible, which is
9780 // critical for performance when large AutoHeight editors are inside Lists.
9781 let visible_bounds = window.content_mask().bounds;
9782 let clipped_top = (visible_bounds.origin.y - bounds.origin.y).max(px(0.));
9783 let clipped_top_in_lines = f64::from(clipped_top / line_height);
9784 let visible_height_in_lines =
9785 f64::from(visible_bounds.size.height / line_height);
9786
9787 // The max scroll position for the top of the window
9788 let scroll_beyond_last_line = self.editor.read(cx).scroll_beyond_last_line(cx);
9789 let max_scroll_top = match scroll_beyond_last_line {
9790 ScrollBeyondLastLine::OnePage => max_row,
9791 ScrollBeyondLastLine::Off => (max_row - height_in_lines + 1.).max(0.),
9792 ScrollBeyondLastLine::VerticalScrollMargin => {
9793 let settings = EditorSettings::get_global(cx);
9794 (max_row - height_in_lines + 1. + settings.vertical_scroll_margin)
9795 .max(0.)
9796 }
9797 };
9798
9799 let (
9800 autoscroll_request,
9801 autoscroll_containing_element,
9802 needs_horizontal_autoscroll,
9803 ) = self.editor.update(cx, |editor, cx| {
9804 let autoscroll_request = editor.scroll_manager.take_autoscroll_request();
9805
9806 let autoscroll_containing_element =
9807 autoscroll_request.is_some() || editor.has_pending_selection();
9808
9809 let (needs_horizontal_autoscroll, was_scrolled) = editor
9810 .autoscroll_vertically(
9811 bounds,
9812 line_height,
9813 max_scroll_top,
9814 autoscroll_request,
9815 window,
9816 cx,
9817 );
9818 if was_scrolled.0 {
9819 snapshot = editor.snapshot(window, cx);
9820 }
9821 (
9822 autoscroll_request,
9823 autoscroll_containing_element,
9824 needs_horizontal_autoscroll,
9825 )
9826 });
9827
9828 let mut scroll_position = snapshot.scroll_position();
9829 // The scroll position is a fractional point, the whole number of which represents
9830 // the top of the window in terms of display rows.
9831 // We add clipped_top_in_lines to skip rows that are clipped by parent containers,
9832 // but we don't modify scroll_position itself since the parent handles positioning.
9833 let max_row = snapshot.max_point().row();
9834 let start_row = cmp::min(
9835 DisplayRow((scroll_position.y + clipped_top_in_lines).floor() as u32),
9836 max_row,
9837 );
9838 let end_row = cmp::min(
9839 (scroll_position.y + clipped_top_in_lines + visible_height_in_lines).ceil()
9840 as u32,
9841 max_row.next_row().0,
9842 );
9843 let end_row = DisplayRow(end_row);
9844
9845 let row_infos = snapshot // note we only get the visual range
9846 .row_infos(start_row)
9847 .take((start_row..end_row).len())
9848 .collect::<Vec<RowInfo>>();
9849 let is_row_soft_wrapped = |row: usize| {
9850 row_infos
9851 .get(row)
9852 .is_none_or(|info| info.buffer_row.is_none())
9853 };
9854
9855 let start_anchor = if start_row == Default::default() {
9856 Anchor::min()
9857 } else {
9858 snapshot.buffer_snapshot().anchor_before(
9859 DisplayPoint::new(start_row, 0).to_offset(&snapshot, Bias::Left),
9860 )
9861 };
9862 let end_anchor = if end_row > max_row {
9863 Anchor::max()
9864 } else {
9865 snapshot.buffer_snapshot().anchor_before(
9866 DisplayPoint::new(end_row, 0).to_offset(&snapshot, Bias::Right),
9867 )
9868 };
9869
9870 let mut highlighted_rows = self
9871 .editor
9872 .update(cx, |editor, cx| editor.highlighted_display_rows(window, cx));
9873
9874 let is_light = cx.theme().appearance().is_light();
9875
9876 let mut highlighted_ranges = self
9877 .editor_with_selections(cx)
9878 .map(|editor| {
9879 if editor == self.editor {
9880 editor.read(cx).background_highlights_in_range(
9881 start_anchor..end_anchor,
9882 &snapshot.display_snapshot,
9883 cx.theme(),
9884 )
9885 } else {
9886 editor.update(cx, |editor, cx| {
9887 let snapshot = editor.snapshot(window, cx);
9888 let start_anchor = if start_row == Default::default() {
9889 Anchor::min()
9890 } else {
9891 snapshot.buffer_snapshot().anchor_before(
9892 DisplayPoint::new(start_row, 0)
9893 .to_offset(&snapshot, Bias::Left),
9894 )
9895 };
9896 let end_anchor = if end_row > max_row {
9897 Anchor::max()
9898 } else {
9899 snapshot.buffer_snapshot().anchor_before(
9900 DisplayPoint::new(end_row, 0)
9901 .to_offset(&snapshot, Bias::Right),
9902 )
9903 };
9904
9905 editor.background_highlights_in_range(
9906 start_anchor..end_anchor,
9907 &snapshot.display_snapshot,
9908 cx.theme(),
9909 )
9910 })
9911 }
9912 })
9913 .unwrap_or_default();
9914
9915 for (ix, row_info) in row_infos.iter().enumerate() {
9916 let Some(diff_status) = row_info.diff_status else {
9917 continue;
9918 };
9919
9920 let background_color = match diff_status.kind {
9921 DiffHunkStatusKind::Added => cx.theme().colors().version_control_added,
9922 DiffHunkStatusKind::Deleted => {
9923 cx.theme().colors().version_control_deleted
9924 }
9925 DiffHunkStatusKind::Modified => {
9926 debug_panic!("modified diff status for row info");
9927 continue;
9928 }
9929 };
9930
9931 let hunk_opacity = if is_light { 0.16 } else { 0.12 };
9932
9933 let hollow_highlight = LineHighlight {
9934 background: (background_color.opacity(if is_light {
9935 0.08
9936 } else {
9937 0.06
9938 }))
9939 .into(),
9940 border: Some(if is_light {
9941 background_color.opacity(0.48)
9942 } else {
9943 background_color.opacity(0.36)
9944 }),
9945 include_gutter: true,
9946 type_id: None,
9947 };
9948
9949 let filled_highlight = LineHighlight {
9950 background: solid_background(background_color.opacity(hunk_opacity)),
9951 border: None,
9952 include_gutter: true,
9953 type_id: None,
9954 };
9955
9956 let background = if Self::diff_hunk_hollow(diff_status, cx) {
9957 hollow_highlight
9958 } else {
9959 filled_highlight
9960 };
9961
9962 let base_display_point =
9963 DisplayPoint::new(start_row + DisplayRow(ix as u32), 0);
9964
9965 highlighted_rows
9966 .entry(base_display_point.row())
9967 .or_insert(background);
9968 }
9969
9970 // Add diff review drag selection highlight to text area
9971 if let Some(drag_state) = &self.editor.read(cx).diff_review_drag_state {
9972 let range = drag_state.row_range(&snapshot.display_snapshot);
9973 let start_row = range.start().0;
9974 let end_row = range.end().0;
9975 let drag_highlight_color =
9976 cx.theme().colors().editor_active_line_background;
9977 let drag_highlight = LineHighlight {
9978 background: solid_background(drag_highlight_color),
9979 border: Some(cx.theme().colors().border_focused),
9980 include_gutter: true,
9981 type_id: None,
9982 };
9983 for row_num in start_row..=end_row {
9984 highlighted_rows
9985 .entry(DisplayRow(row_num))
9986 .or_insert(drag_highlight);
9987 }
9988 }
9989
9990 let highlighted_gutter_ranges =
9991 self.editor.read(cx).gutter_highlights_in_range(
9992 start_anchor..end_anchor,
9993 &snapshot.display_snapshot,
9994 cx,
9995 );
9996
9997 let document_colors = self
9998 .editor
9999 .read(cx)
10000 .colors
10001 .as_ref()
10002 .map(|colors| colors.editor_display_highlights(&snapshot));
10003 let redacted_ranges = self.editor.read(cx).redacted_ranges(
10004 start_anchor..end_anchor,
10005 &snapshot.display_snapshot,
10006 cx,
10007 );
10008
10009 let (local_selections, selected_buffer_ids, latest_selection_anchors): (
10010 Vec<Selection<Point>>,
10011 Vec<BufferId>,
10012 HashMap<BufferId, Anchor>,
10013 ) = self
10014 .editor_with_selections(cx)
10015 .map(|editor| {
10016 editor.update(cx, |editor, cx| {
10017 let all_selections =
10018 editor.selections.all::<Point>(&snapshot.display_snapshot);
10019 let all_anchor_selections =
10020 editor.selections.all_anchors(&snapshot.display_snapshot);
10021 let selected_buffer_ids =
10022 if editor.buffer_kind(cx) == ItemBufferKind::Singleton {
10023 Vec::new()
10024 } else {
10025 let mut selected_buffer_ids =
10026 Vec::with_capacity(all_selections.len());
10027
10028 for selection in all_selections {
10029 for buffer_id in snapshot
10030 .buffer_snapshot()
10031 .buffer_ids_for_range(selection.range())
10032 {
10033 if selected_buffer_ids.last() != Some(&buffer_id) {
10034 selected_buffer_ids.push(buffer_id);
10035 }
10036 }
10037 }
10038
10039 selected_buffer_ids
10040 };
10041
10042 let mut selections = editor.selections.disjoint_in_range(
10043 start_anchor..end_anchor,
10044 &snapshot.display_snapshot,
10045 );
10046 selections
10047 .extend(editor.selections.pending(&snapshot.display_snapshot));
10048
10049 let mut anchors_by_buffer: HashMap<BufferId, (usize, Anchor)> =
10050 HashMap::default();
10051 for selection in all_anchor_selections.iter() {
10052 let head = selection.head();
10053 if let Some(buffer_id) = head.text_anchor.buffer_id {
10054 anchors_by_buffer
10055 .entry(buffer_id)
10056 .and_modify(|(latest_id, latest_anchor)| {
10057 if selection.id > *latest_id {
10058 *latest_id = selection.id;
10059 *latest_anchor = head;
10060 }
10061 })
10062 .or_insert((selection.id, head));
10063 }
10064 }
10065 let latest_selection_anchors = anchors_by_buffer
10066 .into_iter()
10067 .map(|(buffer_id, (_, anchor))| (buffer_id, anchor))
10068 .collect();
10069
10070 (selections, selected_buffer_ids, latest_selection_anchors)
10071 })
10072 })
10073 .unwrap_or_else(|| (Vec::new(), Vec::new(), HashMap::default()));
10074
10075 let (selections, mut active_rows, newest_selection_head) = self
10076 .layout_selections(
10077 start_anchor,
10078 end_anchor,
10079 &local_selections,
10080 &snapshot,
10081 start_row,
10082 end_row,
10083 window,
10084 cx,
10085 );
10086
10087 // relative rows are based on newest selection, even outside the visible area
10088 let current_selection_head = self.editor.update(cx, |editor, cx| {
10089 (editor.selections.count() != 0).then(|| {
10090 let newest = editor
10091 .selections
10092 .newest::<Point>(&editor.display_snapshot(cx));
10093
10094 SelectionLayout::new(
10095 newest,
10096 editor.selections.line_mode(),
10097 editor.cursor_offset_on_selection,
10098 editor.cursor_shape,
10099 &snapshot,
10100 true,
10101 true,
10102 None,
10103 )
10104 .head
10105 .row()
10106 })
10107 });
10108
10109 let mut breakpoint_rows = self.editor.update(cx, |editor, cx| {
10110 editor.active_breakpoints(start_row..end_row, window, cx)
10111 });
10112 for (display_row, (_, bp, state)) in &breakpoint_rows {
10113 if bp.is_enabled() && state.is_none_or(|s| s.verified) {
10114 active_rows.entry(*display_row).or_default().breakpoint = true;
10115 }
10116 }
10117
10118 let line_numbers = self.layout_line_numbers(
10119 Some(&gutter_hitbox),
10120 gutter_dimensions,
10121 line_height,
10122 scroll_position,
10123 start_row..end_row,
10124 &row_infos,
10125 &active_rows,
10126 current_selection_head,
10127 &snapshot,
10128 window,
10129 cx,
10130 );
10131
10132 // We add the gutter breakpoint indicator to breakpoint_rows after painting
10133 // line numbers so we don't paint a line number debug accent color if a user
10134 // has their mouse over that line when a breakpoint isn't there
10135 self.editor.update(cx, |editor, _| {
10136 if let Some(phantom_breakpoint) = &mut editor
10137 .gutter_breakpoint_indicator
10138 .0
10139 .filter(|phantom_breakpoint| phantom_breakpoint.is_active)
10140 {
10141 // Is there a non-phantom breakpoint on this line?
10142 phantom_breakpoint.collides_with_existing_breakpoint = true;
10143 breakpoint_rows
10144 .entry(phantom_breakpoint.display_row)
10145 .or_insert_with(|| {
10146 let position = snapshot.display_point_to_anchor(
10147 DisplayPoint::new(phantom_breakpoint.display_row, 0),
10148 Bias::Right,
10149 );
10150 let breakpoint = Breakpoint::new_standard();
10151 phantom_breakpoint.collides_with_existing_breakpoint = false;
10152 (position, breakpoint, None)
10153 });
10154 }
10155 });
10156
10157 let mut expand_toggles =
10158 window.with_element_namespace("expand_toggles", |window| {
10159 self.layout_expand_toggles(
10160 &gutter_hitbox,
10161 gutter_dimensions,
10162 em_width,
10163 line_height,
10164 scroll_position,
10165 &row_infos,
10166 window,
10167 cx,
10168 )
10169 });
10170
10171 let mut crease_toggles =
10172 window.with_element_namespace("crease_toggles", |window| {
10173 self.layout_crease_toggles(
10174 start_row..end_row,
10175 &row_infos,
10176 &active_rows,
10177 &snapshot,
10178 window,
10179 cx,
10180 )
10181 });
10182 let crease_trailers =
10183 window.with_element_namespace("crease_trailers", |window| {
10184 self.layout_crease_trailers(
10185 row_infos.iter().cloned(),
10186 &snapshot,
10187 window,
10188 cx,
10189 )
10190 });
10191
10192 let display_hunks = self.layout_gutter_diff_hunks(
10193 line_height,
10194 &gutter_hitbox,
10195 start_row..end_row,
10196 &snapshot,
10197 window,
10198 cx,
10199 );
10200
10201 Self::layout_word_diff_highlights(
10202 &display_hunks,
10203 &row_infos,
10204 start_row,
10205 &snapshot,
10206 &mut highlighted_ranges,
10207 cx,
10208 );
10209
10210 let merged_highlighted_ranges =
10211 if let Some((_, colors)) = document_colors.as_ref() {
10212 &highlighted_ranges
10213 .clone()
10214 .into_iter()
10215 .chain(colors.clone())
10216 .collect()
10217 } else {
10218 &highlighted_ranges
10219 };
10220 let bg_segments_per_row = Self::bg_segments_per_row(
10221 start_row..end_row,
10222 &selections,
10223 &merged_highlighted_ranges,
10224 self.style.background,
10225 );
10226
10227 let mut line_layouts = Self::layout_lines(
10228 start_row..end_row,
10229 &snapshot,
10230 &self.style,
10231 editor_width,
10232 is_row_soft_wrapped,
10233 &bg_segments_per_row,
10234 window,
10235 cx,
10236 );
10237 let new_renderer_widths = (!is_minimap).then(|| {
10238 line_layouts
10239 .iter()
10240 .flat_map(|layout| &layout.fragments)
10241 .filter_map(|fragment| {
10242 if let LineFragment::Element { id, size, .. } = fragment {
10243 Some((*id, size.width))
10244 } else {
10245 None
10246 }
10247 })
10248 });
10249 let renderer_widths_changed = request_layout.has_remaining_prepaint_depth()
10250 && new_renderer_widths.is_some_and(|new_renderer_widths| {
10251 self.editor.update(cx, |editor, cx| {
10252 editor.update_renderer_widths(new_renderer_widths, cx)
10253 })
10254 });
10255 if renderer_widths_changed {
10256 return self.prepaint(
10257 None,
10258 _inspector_id,
10259 bounds,
10260 request_layout,
10261 window,
10262 cx,
10263 );
10264 }
10265
10266 let longest_line_blame_width = self
10267 .editor
10268 .update(cx, |editor, cx| {
10269 if !editor.show_git_blame_inline {
10270 return None;
10271 }
10272 let blame = editor.blame.as_ref()?;
10273 let (_, blame_entry) = blame
10274 .update(cx, |blame, cx| {
10275 let row_infos =
10276 snapshot.row_infos(snapshot.longest_row()).next()?;
10277 blame.blame_for_rows(&[row_infos], cx).next()
10278 })
10279 .flatten()?;
10280 let mut element = render_inline_blame_entry(blame_entry, style, cx)?;
10281 let inline_blame_padding =
10282 ProjectSettings::get_global(cx).git.inline_blame.padding as f32
10283 * em_advance;
10284 Some(
10285 element
10286 .layout_as_root(AvailableSpace::min_size(), window, cx)
10287 .width
10288 + inline_blame_padding,
10289 )
10290 })
10291 .unwrap_or(Pixels::ZERO);
10292
10293 let longest_line_width = layout_line(
10294 snapshot.longest_row(),
10295 &snapshot,
10296 style,
10297 editor_width,
10298 is_row_soft_wrapped,
10299 window,
10300 cx,
10301 )
10302 .width;
10303
10304 let scrollbar_layout_information = ScrollbarLayoutInformation::new(
10305 text_hitbox.bounds,
10306 glyph_grid_cell,
10307 size(
10308 longest_line_width,
10309 Pixels::from(max_row.as_f64() * f64::from(line_height)),
10310 ),
10311 longest_line_blame_width,
10312 EditorSettings::get_global(cx),
10313 scroll_beyond_last_line,
10314 );
10315
10316 let mut scroll_width = scrollbar_layout_information.scroll_range.width;
10317
10318 let sticky_header_excerpt = if snapshot.buffer_snapshot().show_headers() {
10319 snapshot.sticky_header_excerpt(scroll_position.y)
10320 } else {
10321 None
10322 };
10323 let sticky_header_excerpt_id =
10324 sticky_header_excerpt.as_ref().map(|top| top.excerpt.id);
10325
10326 let buffer = snapshot.buffer_snapshot();
10327 let start_buffer_row = MultiBufferRow(start_anchor.to_point(&buffer).row);
10328 let end_buffer_row = MultiBufferRow(end_anchor.to_point(&buffer).row);
10329
10330 let preliminary_scroll_pixel_position = point(
10331 scroll_position.x * f64::from(em_layout_width),
10332 scroll_position.y * f64::from(line_height),
10333 );
10334 let indent_guides = self.layout_indent_guides(
10335 content_origin,
10336 text_hitbox.origin,
10337 start_buffer_row..end_buffer_row,
10338 preliminary_scroll_pixel_position,
10339 line_height,
10340 &snapshot,
10341 window,
10342 cx,
10343 );
10344 let indent_guides_for_spacers = indent_guides.clone();
10345
10346 let blocks = (!is_minimap)
10347 .then(|| {
10348 window.with_element_namespace("blocks", |window| {
10349 self.render_blocks(
10350 start_row..end_row,
10351 &snapshot,
10352 &hitbox,
10353 &text_hitbox,
10354 editor_width,
10355 &mut scroll_width,
10356 &editor_margins,
10357 em_width,
10358 gutter_dimensions.full_width(),
10359 line_height,
10360 &mut line_layouts,
10361 &local_selections,
10362 &selected_buffer_ids,
10363 &latest_selection_anchors,
10364 is_row_soft_wrapped,
10365 sticky_header_excerpt_id,
10366 &indent_guides_for_spacers,
10367 window,
10368 cx,
10369 )
10370 })
10371 })
10372 .unwrap_or_default();
10373 let RenderBlocksOutput {
10374 non_spacer_blocks: mut blocks,
10375 mut spacer_blocks,
10376 row_block_types,
10377 resized_blocks,
10378 } = blocks;
10379 if let Some(resized_blocks) = resized_blocks {
10380 if request_layout.has_remaining_prepaint_depth() {
10381 self.editor.update(cx, |editor, cx| {
10382 editor.resize_blocks(
10383 resized_blocks,
10384 autoscroll_request.map(|(autoscroll, _)| autoscroll),
10385 cx,
10386 )
10387 });
10388 return self.prepaint(
10389 None,
10390 _inspector_id,
10391 bounds,
10392 request_layout,
10393 window,
10394 cx,
10395 );
10396 } else {
10397 debug_panic!(
10398 "dropping block resize because prepaint depth \
10399 limit was reached"
10400 );
10401 }
10402 }
10403
10404 let sticky_buffer_header = if self.should_show_buffer_headers() {
10405 sticky_header_excerpt.map(|sticky_header_excerpt| {
10406 window.with_element_namespace("blocks", |window| {
10407 self.layout_sticky_buffer_header(
10408 sticky_header_excerpt,
10409 scroll_position,
10410 line_height,
10411 right_margin,
10412 &snapshot,
10413 &hitbox,
10414 &selected_buffer_ids,
10415 &blocks,
10416 &latest_selection_anchors,
10417 window,
10418 cx,
10419 )
10420 })
10421 })
10422 } else {
10423 None
10424 };
10425
10426 let scroll_max: gpui::Point<ScrollPixelOffset> = point(
10427 ScrollPixelOffset::from(
10428 ((scroll_width - editor_width) / em_layout_width).max(0.0),
10429 ),
10430 max_scroll_top,
10431 );
10432
10433 self.editor.update(cx, |editor, cx| {
10434 if editor.scroll_manager.clamp_scroll_left(scroll_max.x, cx) {
10435 scroll_position.x = scroll_max.x.min(scroll_position.x);
10436 }
10437
10438 if needs_horizontal_autoscroll.0
10439 && let Some(new_scroll_position) = editor.autoscroll_horizontally(
10440 start_row,
10441 editor_width,
10442 scroll_width,
10443 em_advance,
10444 &line_layouts,
10445 autoscroll_request,
10446 window,
10447 cx,
10448 )
10449 {
10450 scroll_position = new_scroll_position;
10451 }
10452 });
10453
10454 let scroll_pixel_position = point(
10455 scroll_position.x * f64::from(em_layout_width),
10456 scroll_position.y * f64::from(line_height),
10457 );
10458 let sticky_headers = if !is_minimap
10459 && is_singleton
10460 && EditorSettings::get_global(cx).sticky_scroll.enabled
10461 {
10462 let relative = self.editor.read(cx).relative_line_numbers(cx);
10463 self.layout_sticky_headers(
10464 &snapshot,
10465 editor_width,
10466 is_row_soft_wrapped,
10467 line_height,
10468 scroll_pixel_position,
10469 content_origin,
10470 &gutter_dimensions,
10471 &gutter_hitbox,
10472 &text_hitbox,
10473 relative,
10474 current_selection_head,
10475 window,
10476 cx,
10477 )
10478 } else {
10479 None
10480 };
10481 self.editor.update(cx, |editor, _| {
10482 editor.scroll_manager.set_sticky_header_line_count(
10483 sticky_headers.as_ref().map_or(0, |h| h.lines.len()),
10484 );
10485 });
10486 let indent_guides =
10487 if scroll_pixel_position != preliminary_scroll_pixel_position {
10488 self.layout_indent_guides(
10489 content_origin,
10490 text_hitbox.origin,
10491 start_buffer_row..end_buffer_row,
10492 scroll_pixel_position,
10493 line_height,
10494 &snapshot,
10495 window,
10496 cx,
10497 )
10498 } else {
10499 indent_guides
10500 };
10501
10502 let crease_trailers =
10503 window.with_element_namespace("crease_trailers", |window| {
10504 self.prepaint_crease_trailers(
10505 crease_trailers,
10506 &line_layouts,
10507 line_height,
10508 content_origin,
10509 scroll_pixel_position,
10510 em_width,
10511 window,
10512 cx,
10513 )
10514 });
10515
10516 let (edit_prediction_popover, edit_prediction_popover_origin) = self
10517 .editor
10518 .update(cx, |editor, cx| {
10519 editor.render_edit_prediction_popover(
10520 &text_hitbox.bounds,
10521 content_origin,
10522 right_margin,
10523 &snapshot,
10524 start_row..end_row,
10525 scroll_position.y,
10526 scroll_position.y + height_in_lines,
10527 &line_layouts,
10528 line_height,
10529 scroll_position,
10530 scroll_pixel_position,
10531 newest_selection_head,
10532 editor_width,
10533 style,
10534 window,
10535 cx,
10536 )
10537 })
10538 .unzip();
10539
10540 let mut inline_diagnostics = self.layout_inline_diagnostics(
10541 &line_layouts,
10542 &crease_trailers,
10543 &row_block_types,
10544 content_origin,
10545 scroll_position,
10546 scroll_pixel_position,
10547 edit_prediction_popover_origin,
10548 start_row,
10549 end_row,
10550 line_height,
10551 em_width,
10552 style,
10553 window,
10554 cx,
10555 );
10556
10557 let mut inline_blame_layout = None;
10558 let mut inline_code_actions = None;
10559 if let Some(newest_selection_head) = newest_selection_head {
10560 let display_row = newest_selection_head.row();
10561 if (start_row..end_row).contains(&display_row)
10562 && !row_block_types.contains_key(&display_row)
10563 {
10564 inline_code_actions = self.layout_inline_code_actions(
10565 newest_selection_head,
10566 content_origin,
10567 scroll_position,
10568 scroll_pixel_position,
10569 line_height,
10570 &snapshot,
10571 window,
10572 cx,
10573 );
10574
10575 let line_ix = display_row.minus(start_row) as usize;
10576 if let (Some(row_info), Some(line_layout), Some(crease_trailer)) = (
10577 row_infos.get(line_ix),
10578 line_layouts.get(line_ix),
10579 crease_trailers.get(line_ix),
10580 ) {
10581 let crease_trailer_layout = crease_trailer.as_ref();
10582 if let Some(layout) = self.layout_inline_blame(
10583 display_row,
10584 row_info,
10585 line_layout,
10586 crease_trailer_layout,
10587 em_width,
10588 content_origin,
10589 scroll_position,
10590 scroll_pixel_position,
10591 line_height,
10592 window,
10593 cx,
10594 ) {
10595 inline_blame_layout = Some(layout);
10596 // Blame overrides inline diagnostics
10597 inline_diagnostics.remove(&display_row);
10598 }
10599 } else {
10600 log::error!(
10601 "bug: line_ix {} is out of bounds - row_infos.len(): {}, \
10602 line_layouts.len(): {}, \
10603 crease_trailers.len(): {}",
10604 line_ix,
10605 row_infos.len(),
10606 line_layouts.len(),
10607 crease_trailers.len(),
10608 );
10609 }
10610 }
10611 }
10612
10613 let blamed_display_rows = self.layout_blame_entries(
10614 &row_infos,
10615 em_width,
10616 scroll_position,
10617 line_height,
10618 &gutter_hitbox,
10619 gutter_dimensions.git_blame_entries_width,
10620 window,
10621 cx,
10622 );
10623
10624 let line_elements = self.prepaint_lines(
10625 start_row,
10626 &mut line_layouts,
10627 line_height,
10628 scroll_position,
10629 scroll_pixel_position,
10630 content_origin,
10631 window,
10632 cx,
10633 );
10634
10635 window.with_element_namespace("blocks", |window| {
10636 self.layout_blocks(
10637 &mut blocks,
10638 &hitbox,
10639 &gutter_hitbox,
10640 line_height,
10641 scroll_position,
10642 scroll_pixel_position,
10643 &editor_margins,
10644 window,
10645 cx,
10646 );
10647 self.layout_blocks(
10648 &mut spacer_blocks,
10649 &hitbox,
10650 &gutter_hitbox,
10651 line_height,
10652 scroll_position,
10653 scroll_pixel_position,
10654 &editor_margins,
10655 window,
10656 cx,
10657 );
10658 });
10659
10660 let cursors = self.collect_cursors(&snapshot, cx);
10661 let visible_row_range = start_row..end_row;
10662 let non_visible_cursors = cursors
10663 .iter()
10664 .any(|c| !visible_row_range.contains(&c.0.row()));
10665
10666 let visible_cursors = self.layout_visible_cursors(
10667 &snapshot,
10668 &selections,
10669 &row_block_types,
10670 start_row..end_row,
10671 &line_layouts,
10672 &text_hitbox,
10673 content_origin,
10674 scroll_position,
10675 scroll_pixel_position,
10676 line_height,
10677 em_width,
10678 em_advance,
10679 autoscroll_containing_element,
10680 &redacted_ranges,
10681 window,
10682 cx,
10683 );
10684
10685 let scrollbars_layout = self.layout_scrollbars(
10686 &snapshot,
10687 &scrollbar_layout_information,
10688 content_offset,
10689 scroll_position,
10690 non_visible_cursors,
10691 right_margin,
10692 editor_width,
10693 window,
10694 cx,
10695 );
10696
10697 let gutter_settings = EditorSettings::get_global(cx).gutter;
10698
10699 let context_menu_layout =
10700 if let Some(newest_selection_head) = newest_selection_head {
10701 let newest_selection_point =
10702 newest_selection_head.to_point(&snapshot.display_snapshot);
10703 if (start_row..end_row).contains(&newest_selection_head.row()) {
10704 self.layout_cursor_popovers(
10705 line_height,
10706 &text_hitbox,
10707 content_origin,
10708 right_margin,
10709 start_row,
10710 scroll_pixel_position,
10711 &line_layouts,
10712 newest_selection_head,
10713 newest_selection_point,
10714 style,
10715 window,
10716 cx,
10717 )
10718 } else {
10719 None
10720 }
10721 } else {
10722 None
10723 };
10724
10725 self.layout_gutter_menu(
10726 line_height,
10727 &text_hitbox,
10728 content_origin,
10729 right_margin,
10730 scroll_pixel_position,
10731 gutter_dimensions.width - gutter_dimensions.left_padding,
10732 window,
10733 cx,
10734 );
10735
10736 let test_indicators = if gutter_settings.runnables {
10737 self.layout_run_indicators(
10738 line_height,
10739 start_row..end_row,
10740 &row_infos,
10741 scroll_position,
10742 &gutter_dimensions,
10743 &gutter_hitbox,
10744 &snapshot,
10745 &mut breakpoint_rows,
10746 window,
10747 cx,
10748 )
10749 } else {
10750 Vec::new()
10751 };
10752
10753 let show_breakpoints = snapshot
10754 .show_breakpoints
10755 .unwrap_or(gutter_settings.breakpoints);
10756 let breakpoints = if show_breakpoints {
10757 self.layout_breakpoints(
10758 line_height,
10759 start_row..end_row,
10760 scroll_position,
10761 &gutter_dimensions,
10762 &gutter_hitbox,
10763 &snapshot,
10764 breakpoint_rows,
10765 &row_infos,
10766 window,
10767 cx,
10768 )
10769 } else {
10770 Vec::new()
10771 };
10772
10773 let git_gutter_width = Self::gutter_strip_width(line_height)
10774 + gutter_dimensions
10775 .git_blame_entries_width
10776 .unwrap_or_default();
10777 let available_width = gutter_dimensions.left_padding - git_gutter_width;
10778
10779 let max_line_number_length = self
10780 .editor
10781 .read(cx)
10782 .buffer()
10783 .read(cx)
10784 .snapshot(cx)
10785 .widest_line_number()
10786 .ilog10()
10787 + 1;
10788
10789 let diff_review_button = self
10790 .should_render_diff_review_button(
10791 start_row..end_row,
10792 &row_infos,
10793 &snapshot,
10794 cx,
10795 )
10796 .map(|(display_row, buffer_row)| {
10797 let is_wide = max_line_number_length
10798 >= EditorSettings::get_global(cx).gutter.min_line_number_digits
10799 as u32
10800 && buffer_row.is_some_and(|row| {
10801 (row + 1).ilog10() + 1 == max_line_number_length
10802 })
10803 || gutter_dimensions.right_padding == px(0.);
10804
10805 let button_width = if is_wide {
10806 available_width - px(6.)
10807 } else {
10808 available_width + em_width - px(6.)
10809 };
10810
10811 let button = self.editor.update(cx, |editor, cx| {
10812 editor
10813 .render_diff_review_button(display_row, button_width, cx)
10814 .into_any_element()
10815 });
10816 prepaint_gutter_button(
10817 button,
10818 display_row,
10819 line_height,
10820 &gutter_dimensions,
10821 scroll_position,
10822 &gutter_hitbox,
10823 window,
10824 cx,
10825 )
10826 });
10827
10828 self.layout_signature_help(
10829 &hitbox,
10830 content_origin,
10831 scroll_pixel_position,
10832 newest_selection_head,
10833 start_row,
10834 &line_layouts,
10835 line_height,
10836 em_width,
10837 context_menu_layout,
10838 window,
10839 cx,
10840 );
10841
10842 if !cx.has_active_drag() {
10843 self.layout_hover_popovers(
10844 &snapshot,
10845 &hitbox,
10846 start_row..end_row,
10847 content_origin,
10848 scroll_pixel_position,
10849 &line_layouts,
10850 line_height,
10851 em_width,
10852 context_menu_layout,
10853 window,
10854 cx,
10855 );
10856
10857 self.layout_blame_popover(&snapshot, &hitbox, line_height, window, cx);
10858 }
10859
10860 let mouse_context_menu = self.layout_mouse_context_menu(
10861 &snapshot,
10862 start_row..end_row,
10863 content_origin,
10864 window,
10865 cx,
10866 );
10867
10868 window.with_element_namespace("crease_toggles", |window| {
10869 self.prepaint_crease_toggles(
10870 &mut crease_toggles,
10871 line_height,
10872 &gutter_dimensions,
10873 gutter_settings,
10874 scroll_pixel_position,
10875 &gutter_hitbox,
10876 window,
10877 cx,
10878 )
10879 });
10880
10881 window.with_element_namespace("expand_toggles", |window| {
10882 self.prepaint_expand_toggles(&mut expand_toggles, window, cx)
10883 });
10884
10885 let wrap_guides = self.layout_wrap_guides(
10886 em_advance,
10887 scroll_position,
10888 content_origin,
10889 scrollbars_layout.as_ref(),
10890 vertical_scrollbar_width,
10891 &hitbox,
10892 window,
10893 cx,
10894 );
10895
10896 let minimap = window.with_element_namespace("minimap", |window| {
10897 self.layout_minimap(
10898 &snapshot,
10899 minimap_width,
10900 scroll_position,
10901 &scrollbar_layout_information,
10902 scrollbars_layout.as_ref(),
10903 window,
10904 cx,
10905 )
10906 });
10907
10908 let invisible_symbol_font_size = font_size / 2.;
10909 let whitespace_map = &self
10910 .editor
10911 .read(cx)
10912 .buffer
10913 .read(cx)
10914 .language_settings(cx)
10915 .whitespace_map;
10916
10917 let tab_char = whitespace_map.tab.clone();
10918 let tab_len = tab_char.len();
10919 let tab_invisible = window.text_system().shape_line(
10920 tab_char,
10921 invisible_symbol_font_size,
10922 &[TextRun {
10923 len: tab_len,
10924 font: self.style.text.font(),
10925 color: cx.theme().colors().editor_invisible,
10926 ..Default::default()
10927 }],
10928 None,
10929 );
10930
10931 let space_char = whitespace_map.space.clone();
10932 let space_len = space_char.len();
10933 let space_invisible = window.text_system().shape_line(
10934 space_char,
10935 invisible_symbol_font_size,
10936 &[TextRun {
10937 len: space_len,
10938 font: self.style.text.font(),
10939 color: cx.theme().colors().editor_invisible,
10940 ..Default::default()
10941 }],
10942 None,
10943 );
10944
10945 let mode = snapshot.mode.clone();
10946
10947 let sticky_scroll_header_height = sticky_headers
10948 .as_ref()
10949 .and_then(|headers| headers.lines.last())
10950 .map_or(Pixels::ZERO, |last| last.offset + line_height);
10951
10952 let has_sticky_buffer_header =
10953 sticky_buffer_header.is_some() || sticky_header_excerpt_id.is_some();
10954 let sticky_header_height = if has_sticky_buffer_header {
10955 let full_height = FILE_HEADER_HEIGHT as f32 * line_height;
10956 let display_row = blocks
10957 .iter()
10958 .filter(|block| block.is_buffer_header)
10959 .find_map(|block| {
10960 block.row.filter(|row| row.0 > scroll_position.y as u32)
10961 });
10962 let offset = match display_row {
10963 Some(display_row) => {
10964 let max_row = display_row.0.saturating_sub(FILE_HEADER_HEIGHT);
10965 let offset = (scroll_position.y - max_row as f64).max(0.0);
10966 let slide_up =
10967 Pixels::from(offset * ScrollPixelOffset::from(line_height));
10968
10969 (full_height - slide_up).max(Pixels::ZERO)
10970 }
10971 None => full_height,
10972 };
10973 let header_bottom_padding =
10974 BUFFER_HEADER_PADDING.to_pixels(window.rem_size());
10975 sticky_scroll_header_height + offset - header_bottom_padding
10976 } else {
10977 sticky_scroll_header_height
10978 };
10979
10980 let (diff_hunk_controls, diff_hunk_control_bounds) =
10981 if is_read_only && !self.editor.read(cx).delegate_stage_and_restore {
10982 (vec![], vec![])
10983 } else {
10984 self.layout_diff_hunk_controls(
10985 start_row..end_row,
10986 &row_infos,
10987 &text_hitbox,
10988 current_selection_head,
10989 line_height,
10990 right_margin,
10991 scroll_pixel_position,
10992 sticky_header_height,
10993 &display_hunks,
10994 &highlighted_rows,
10995 self.editor.clone(),
10996 window,
10997 cx,
10998 )
10999 };
11000
11001 let position_map = Rc::new(PositionMap {
11002 size: bounds.size,
11003 visible_row_range,
11004 scroll_position,
11005 scroll_pixel_position,
11006 scroll_max,
11007 line_layouts,
11008 line_height,
11009 em_width,
11010 em_advance,
11011 em_layout_width,
11012 snapshot,
11013 text_align: self.style.text.text_align,
11014 content_width: text_hitbox.size.width,
11015 gutter_hitbox: gutter_hitbox.clone(),
11016 text_hitbox: text_hitbox.clone(),
11017 inline_blame_bounds: inline_blame_layout
11018 .as_ref()
11019 .map(|layout| (layout.bounds, layout.buffer_id, layout.entry.clone())),
11020 display_hunks: display_hunks.clone(),
11021 diff_hunk_control_bounds,
11022 });
11023
11024 self.editor.update(cx, |editor, _| {
11025 editor.last_position_map = Some(position_map.clone())
11026 });
11027
11028 EditorLayout {
11029 mode,
11030 position_map,
11031 visible_display_row_range: start_row..end_row,
11032 wrap_guides,
11033 indent_guides,
11034 hitbox,
11035 gutter_hitbox,
11036 display_hunks,
11037 content_origin,
11038 scrollbars_layout,
11039 minimap,
11040 active_rows,
11041 highlighted_rows,
11042 highlighted_ranges,
11043 highlighted_gutter_ranges,
11044 redacted_ranges,
11045 document_colors,
11046 line_elements,
11047 line_numbers,
11048 blamed_display_rows,
11049 inline_diagnostics,
11050 inline_blame_layout,
11051 inline_code_actions,
11052 blocks,
11053 spacer_blocks,
11054 cursors,
11055 visible_cursors,
11056 selections,
11057 edit_prediction_popover,
11058 diff_hunk_controls,
11059 mouse_context_menu,
11060 test_indicators,
11061 breakpoints,
11062 diff_review_button,
11063 crease_toggles,
11064 crease_trailers,
11065 tab_invisible,
11066 space_invisible,
11067 sticky_buffer_header,
11068 sticky_headers,
11069 expand_toggles,
11070 text_align: self.style.text.text_align,
11071 content_width: text_hitbox.size.width,
11072 }
11073 })
11074 })
11075 })
11076 }
11077
11078 fn paint(
11079 &mut self,
11080 _: Option<&GlobalElementId>,
11081 _inspector_id: Option<&gpui::InspectorElementId>,
11082 bounds: Bounds<gpui::Pixels>,
11083 _: &mut Self::RequestLayoutState,
11084 layout: &mut Self::PrepaintState,
11085 window: &mut Window,
11086 cx: &mut App,
11087 ) {
11088 if !layout.mode.is_minimap() {
11089 let focus_handle = self.editor.focus_handle(cx);
11090 let key_context = self
11091 .editor
11092 .update(cx, |editor, cx| editor.key_context(window, cx));
11093
11094 window.set_key_context(key_context);
11095 window.handle_input(
11096 &focus_handle,
11097 ElementInputHandler::new(bounds, self.editor.clone()),
11098 cx,
11099 );
11100 self.register_actions(window, cx);
11101 self.register_key_listeners(window, cx, layout);
11102 }
11103
11104 let text_style = TextStyleRefinement {
11105 font_size: Some(self.style.text.font_size),
11106 line_height: Some(self.style.text.line_height),
11107 ..Default::default()
11108 };
11109 let rem_size = self.rem_size(cx);
11110 window.with_rem_size(rem_size, |window| {
11111 window.with_text_style(Some(text_style), |window| {
11112 window.with_content_mask(Some(ContentMask { bounds }), |window| {
11113 self.paint_mouse_listeners(layout, window, cx);
11114 self.paint_background(layout, window, cx);
11115
11116 self.paint_indent_guides(layout, window, cx);
11117
11118 if layout.gutter_hitbox.size.width > Pixels::ZERO {
11119 self.paint_blamed_display_rows(layout, window, cx);
11120 self.paint_line_numbers(layout, window, cx);
11121 }
11122
11123 self.paint_text(layout, window, cx);
11124
11125 if !layout.spacer_blocks.is_empty() {
11126 window.with_element_namespace("blocks", |window| {
11127 self.paint_spacer_blocks(layout, window, cx);
11128 });
11129 }
11130
11131 if layout.gutter_hitbox.size.width > Pixels::ZERO {
11132 self.paint_gutter_highlights(layout, window, cx);
11133 self.paint_gutter_indicators(layout, window, cx);
11134 }
11135
11136 if !layout.blocks.is_empty() {
11137 window.with_element_namespace("blocks", |window| {
11138 self.paint_non_spacer_blocks(layout, window, cx);
11139 });
11140 }
11141
11142 window.with_element_namespace("blocks", |window| {
11143 if let Some(mut sticky_header) = layout.sticky_buffer_header.take() {
11144 sticky_header.paint(window, cx)
11145 }
11146 });
11147
11148 self.paint_sticky_headers(layout, window, cx);
11149 self.paint_minimap(layout, window, cx);
11150 self.paint_scrollbars(layout, window, cx);
11151 self.paint_edit_prediction_popover(layout, window, cx);
11152 self.paint_mouse_context_menu(layout, window, cx);
11153 });
11154 })
11155 })
11156 }
11157}
11158
11159pub(super) fn gutter_bounds(
11160 editor_bounds: Bounds<Pixels>,
11161 gutter_dimensions: GutterDimensions,
11162) -> Bounds<Pixels> {
11163 Bounds {
11164 origin: editor_bounds.origin,
11165 size: size(gutter_dimensions.width, editor_bounds.size.height),
11166 }
11167}
11168
11169#[derive(Clone, Copy)]
11170struct ContextMenuLayout {
11171 y_flipped: bool,
11172 bounds: Bounds<Pixels>,
11173}
11174
11175/// Holds information required for layouting the editor scrollbars.
11176struct ScrollbarLayoutInformation {
11177 /// The bounds of the editor area (excluding the content offset).
11178 editor_bounds: Bounds<Pixels>,
11179 /// The available range to scroll within the document.
11180 scroll_range: Size<Pixels>,
11181 /// The space available for one glyph in the editor.
11182 glyph_grid_cell: Size<Pixels>,
11183}
11184
11185impl ScrollbarLayoutInformation {
11186 pub fn new(
11187 editor_bounds: Bounds<Pixels>,
11188 glyph_grid_cell: Size<Pixels>,
11189 document_size: Size<Pixels>,
11190 longest_line_blame_width: Pixels,
11191 settings: &EditorSettings,
11192 scroll_beyond_last_line: ScrollBeyondLastLine,
11193 ) -> Self {
11194 let vertical_overscroll = match scroll_beyond_last_line {
11195 ScrollBeyondLastLine::OnePage => editor_bounds.size.height,
11196 ScrollBeyondLastLine::Off => glyph_grid_cell.height,
11197 ScrollBeyondLastLine::VerticalScrollMargin => {
11198 (1.0 + settings.vertical_scroll_margin) as f32 * glyph_grid_cell.height
11199 }
11200 };
11201
11202 let overscroll = size(longest_line_blame_width, vertical_overscroll);
11203
11204 ScrollbarLayoutInformation {
11205 editor_bounds,
11206 scroll_range: document_size + overscroll,
11207 glyph_grid_cell,
11208 }
11209 }
11210}
11211
11212impl IntoElement for EditorElement {
11213 type Element = Self;
11214
11215 fn into_element(self) -> Self::Element {
11216 self
11217 }
11218}
11219
11220pub struct EditorLayout {
11221 position_map: Rc<PositionMap>,
11222 hitbox: Hitbox,
11223 gutter_hitbox: Hitbox,
11224 content_origin: gpui::Point<Pixels>,
11225 scrollbars_layout: Option<EditorScrollbars>,
11226 minimap: Option<MinimapLayout>,
11227 mode: EditorMode,
11228 wrap_guides: SmallVec<[(Pixels, bool); 2]>,
11229 indent_guides: Option<Vec<IndentGuideLayout>>,
11230 visible_display_row_range: Range<DisplayRow>,
11231 active_rows: BTreeMap<DisplayRow, LineHighlightSpec>,
11232 highlighted_rows: BTreeMap<DisplayRow, LineHighlight>,
11233 line_elements: SmallVec<[AnyElement; 1]>,
11234 line_numbers: Arc<HashMap<MultiBufferRow, LineNumberLayout>>,
11235 display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
11236 blamed_display_rows: Option<Vec<AnyElement>>,
11237 inline_diagnostics: HashMap<DisplayRow, AnyElement>,
11238 inline_blame_layout: Option<InlineBlameLayout>,
11239 inline_code_actions: Option<AnyElement>,
11240 blocks: Vec<BlockLayout>,
11241 spacer_blocks: Vec<BlockLayout>,
11242 highlighted_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
11243 highlighted_gutter_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
11244 redacted_ranges: Vec<Range<DisplayPoint>>,
11245 cursors: Vec<(DisplayPoint, Hsla)>,
11246 visible_cursors: Vec<CursorLayout>,
11247 selections: Vec<(PlayerColor, Vec<SelectionLayout>)>,
11248 test_indicators: Vec<AnyElement>,
11249 breakpoints: Vec<AnyElement>,
11250 diff_review_button: Option<AnyElement>,
11251 crease_toggles: Vec<Option<AnyElement>>,
11252 expand_toggles: Vec<Option<(AnyElement, gpui::Point<Pixels>)>>,
11253 diff_hunk_controls: Vec<AnyElement>,
11254 crease_trailers: Vec<Option<CreaseTrailerLayout>>,
11255 edit_prediction_popover: Option<AnyElement>,
11256 mouse_context_menu: Option<AnyElement>,
11257 tab_invisible: ShapedLine,
11258 space_invisible: ShapedLine,
11259 sticky_buffer_header: Option<AnyElement>,
11260 sticky_headers: Option<StickyHeaders>,
11261 document_colors: Option<(DocumentColorsRenderMode, Vec<(Range<DisplayPoint>, Hsla)>)>,
11262 text_align: TextAlign,
11263 content_width: Pixels,
11264}
11265
11266struct StickyHeaders {
11267 lines: Vec<StickyHeaderLine>,
11268 gutter_background: Hsla,
11269 content_background: Hsla,
11270 gutter_right_padding: Pixels,
11271}
11272
11273struct StickyHeaderLine {
11274 row: DisplayRow,
11275 offset: Pixels,
11276 line: Rc<LineWithInvisibles>,
11277 line_number: Option<ShapedLine>,
11278 elements: SmallVec<[AnyElement; 1]>,
11279 available_text_width: Pixels,
11280 hitbox: Hitbox,
11281}
11282
11283impl EditorLayout {
11284 fn line_end_overshoot(&self) -> Pixels {
11285 0.15 * self.position_map.line_height
11286 }
11287}
11288
11289impl StickyHeaders {
11290 fn paint(
11291 &mut self,
11292 layout: &mut EditorLayout,
11293 whitespace_setting: ShowWhitespaceSetting,
11294 window: &mut Window,
11295 cx: &mut App,
11296 ) {
11297 let line_height = layout.position_map.line_height;
11298
11299 for line in self.lines.iter_mut().rev() {
11300 window.paint_layer(
11301 Bounds::new(
11302 layout.gutter_hitbox.origin + point(Pixels::ZERO, line.offset),
11303 size(line.hitbox.size.width, line_height),
11304 ),
11305 |window| {
11306 let gutter_bounds = Bounds::new(
11307 layout.gutter_hitbox.origin + point(Pixels::ZERO, line.offset),
11308 size(layout.gutter_hitbox.size.width, line_height),
11309 );
11310 window.paint_quad(fill(gutter_bounds, self.gutter_background));
11311
11312 let text_bounds = Bounds::new(
11313 layout.position_map.text_hitbox.origin + point(Pixels::ZERO, line.offset),
11314 size(line.available_text_width, line_height),
11315 );
11316 window.paint_quad(fill(text_bounds, self.content_background));
11317
11318 if line.hitbox.is_hovered(window) {
11319 let hover_overlay = cx.theme().colors().panel_overlay_hover;
11320 window.paint_quad(fill(gutter_bounds, hover_overlay));
11321 window.paint_quad(fill(text_bounds, hover_overlay));
11322 }
11323
11324 line.paint(
11325 layout,
11326 self.gutter_right_padding,
11327 line.available_text_width,
11328 layout.content_origin,
11329 line_height,
11330 whitespace_setting,
11331 window,
11332 cx,
11333 );
11334 },
11335 );
11336
11337 window.set_cursor_style(CursorStyle::IBeam, &line.hitbox);
11338 }
11339 }
11340}
11341
11342impl StickyHeaderLine {
11343 fn new(
11344 row: DisplayRow,
11345 offset: Pixels,
11346 mut line: LineWithInvisibles,
11347 line_number: Option<ShapedLine>,
11348 line_height: Pixels,
11349 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
11350 content_origin: gpui::Point<Pixels>,
11351 gutter_hitbox: &Hitbox,
11352 text_hitbox: &Hitbox,
11353 window: &mut Window,
11354 cx: &mut App,
11355 ) -> Self {
11356 let mut elements = SmallVec::<[AnyElement; 1]>::new();
11357 line.prepaint_with_custom_offset(
11358 line_height,
11359 scroll_pixel_position,
11360 content_origin,
11361 offset,
11362 &mut elements,
11363 window,
11364 cx,
11365 );
11366
11367 let hitbox_bounds = Bounds::new(
11368 gutter_hitbox.origin + point(Pixels::ZERO, offset),
11369 size(text_hitbox.right() - gutter_hitbox.left(), line_height),
11370 );
11371 let available_text_width =
11372 (hitbox_bounds.size.width - gutter_hitbox.size.width).max(Pixels::ZERO);
11373
11374 Self {
11375 row,
11376 offset,
11377 line: Rc::new(line),
11378 line_number,
11379 elements,
11380 available_text_width,
11381 hitbox: window.insert_hitbox(hitbox_bounds, HitboxBehavior::BlockMouseExceptScroll),
11382 }
11383 }
11384
11385 fn paint(
11386 &mut self,
11387 layout: &EditorLayout,
11388 gutter_right_padding: Pixels,
11389 available_text_width: Pixels,
11390 content_origin: gpui::Point<Pixels>,
11391 line_height: Pixels,
11392 whitespace_setting: ShowWhitespaceSetting,
11393 window: &mut Window,
11394 cx: &mut App,
11395 ) {
11396 window.with_content_mask(
11397 Some(ContentMask {
11398 bounds: Bounds::new(
11399 layout.position_map.text_hitbox.bounds.origin
11400 + point(Pixels::ZERO, self.offset),
11401 size(available_text_width, line_height),
11402 ),
11403 }),
11404 |window| {
11405 self.line.draw_with_custom_offset(
11406 layout,
11407 self.row,
11408 content_origin,
11409 self.offset,
11410 whitespace_setting,
11411 &[],
11412 window,
11413 cx,
11414 );
11415 for element in &mut self.elements {
11416 element.paint(window, cx);
11417 }
11418 },
11419 );
11420
11421 if let Some(line_number) = &self.line_number {
11422 let gutter_origin = layout.gutter_hitbox.origin + point(Pixels::ZERO, self.offset);
11423 let gutter_width = layout.gutter_hitbox.size.width;
11424 let origin = point(
11425 gutter_origin.x + gutter_width - gutter_right_padding - line_number.width,
11426 gutter_origin.y,
11427 );
11428 line_number
11429 .paint(origin, line_height, TextAlign::Left, None, window, cx)
11430 .log_err();
11431 }
11432 }
11433}
11434
11435#[derive(Debug)]
11436struct LineNumberSegment {
11437 shaped_line: ShapedLine,
11438 hitbox: Option<Hitbox>,
11439}
11440
11441#[derive(Debug)]
11442struct LineNumberLayout {
11443 segments: SmallVec<[LineNumberSegment; 1]>,
11444}
11445
11446struct ColoredRange<T> {
11447 start: T,
11448 end: T,
11449 color: Hsla,
11450}
11451
11452impl Along for ScrollbarAxes {
11453 type Unit = bool;
11454
11455 fn along(&self, axis: ScrollbarAxis) -> Self::Unit {
11456 match axis {
11457 ScrollbarAxis::Horizontal => self.horizontal,
11458 ScrollbarAxis::Vertical => self.vertical,
11459 }
11460 }
11461
11462 fn apply_along(&self, axis: ScrollbarAxis, f: impl FnOnce(Self::Unit) -> Self::Unit) -> Self {
11463 match axis {
11464 ScrollbarAxis::Horizontal => ScrollbarAxes {
11465 horizontal: f(self.horizontal),
11466 vertical: self.vertical,
11467 },
11468 ScrollbarAxis::Vertical => ScrollbarAxes {
11469 horizontal: self.horizontal,
11470 vertical: f(self.vertical),
11471 },
11472 }
11473 }
11474}
11475
11476#[derive(Clone)]
11477struct EditorScrollbars {
11478 pub vertical: Option<ScrollbarLayout>,
11479 pub horizontal: Option<ScrollbarLayout>,
11480 pub visible: bool,
11481}
11482
11483impl EditorScrollbars {
11484 pub fn from_scrollbar_axes(
11485 show_scrollbar: ScrollbarAxes,
11486 layout_information: &ScrollbarLayoutInformation,
11487 content_offset: gpui::Point<Pixels>,
11488 scroll_position: gpui::Point<f64>,
11489 scrollbar_width: Pixels,
11490 right_margin: Pixels,
11491 editor_width: Pixels,
11492 show_scrollbars: bool,
11493 scrollbar_state: Option<&ActiveScrollbarState>,
11494 window: &mut Window,
11495 ) -> Self {
11496 let ScrollbarLayoutInformation {
11497 editor_bounds,
11498 scroll_range,
11499 glyph_grid_cell,
11500 } = layout_information;
11501
11502 let viewport_size = size(editor_width, editor_bounds.size.height);
11503
11504 let scrollbar_bounds_for = |axis: ScrollbarAxis| match axis {
11505 ScrollbarAxis::Horizontal => Bounds::from_corner_and_size(
11506 Corner::BottomLeft,
11507 editor_bounds.bottom_left(),
11508 size(
11509 // The horizontal viewport size differs from the space available for the
11510 // horizontal scrollbar, so we have to manually stitch it together here.
11511 editor_bounds.size.width - right_margin,
11512 scrollbar_width,
11513 ),
11514 ),
11515 ScrollbarAxis::Vertical => Bounds::from_corner_and_size(
11516 Corner::TopRight,
11517 editor_bounds.top_right(),
11518 size(scrollbar_width, viewport_size.height),
11519 ),
11520 };
11521
11522 let mut create_scrollbar_layout = |axis| {
11523 let viewport_size = viewport_size.along(axis);
11524 let scroll_range = scroll_range.along(axis);
11525
11526 // We always want a vertical scrollbar track for scrollbar diagnostic visibility.
11527 (show_scrollbar.along(axis)
11528 && (axis == ScrollbarAxis::Vertical || scroll_range > viewport_size))
11529 .then(|| {
11530 ScrollbarLayout::new(
11531 window.insert_hitbox(scrollbar_bounds_for(axis), HitboxBehavior::Normal),
11532 viewport_size,
11533 scroll_range,
11534 glyph_grid_cell.along(axis),
11535 content_offset.along(axis),
11536 scroll_position.along(axis),
11537 show_scrollbars,
11538 axis,
11539 )
11540 .with_thumb_state(
11541 scrollbar_state.and_then(|state| state.thumb_state_for_axis(axis)),
11542 )
11543 })
11544 };
11545
11546 Self {
11547 vertical: create_scrollbar_layout(ScrollbarAxis::Vertical),
11548 horizontal: create_scrollbar_layout(ScrollbarAxis::Horizontal),
11549 visible: show_scrollbars,
11550 }
11551 }
11552
11553 pub fn iter_scrollbars(&self) -> impl Iterator<Item = (&ScrollbarLayout, ScrollbarAxis)> + '_ {
11554 [
11555 (&self.vertical, ScrollbarAxis::Vertical),
11556 (&self.horizontal, ScrollbarAxis::Horizontal),
11557 ]
11558 .into_iter()
11559 .filter_map(|(scrollbar, axis)| scrollbar.as_ref().map(|s| (s, axis)))
11560 }
11561
11562 /// Returns the currently hovered scrollbar axis, if any.
11563 pub fn get_hovered_axis(&self, window: &Window) -> Option<(&ScrollbarLayout, ScrollbarAxis)> {
11564 self.iter_scrollbars()
11565 .find(|s| s.0.hitbox.is_hovered(window))
11566 }
11567}
11568
11569#[derive(Clone)]
11570struct ScrollbarLayout {
11571 hitbox: Hitbox,
11572 visible_range: Range<ScrollOffset>,
11573 text_unit_size: Pixels,
11574 thumb_bounds: Option<Bounds<Pixels>>,
11575 thumb_state: ScrollbarThumbState,
11576}
11577
11578impl ScrollbarLayout {
11579 const BORDER_WIDTH: Pixels = px(1.0);
11580 const LINE_MARKER_HEIGHT: Pixels = px(2.0);
11581 const MIN_MARKER_HEIGHT: Pixels = px(5.0);
11582 const MIN_THUMB_SIZE: Pixels = px(25.0);
11583
11584 fn new(
11585 scrollbar_track_hitbox: Hitbox,
11586 viewport_size: Pixels,
11587 scroll_range: Pixels,
11588 glyph_space: Pixels,
11589 content_offset: Pixels,
11590 scroll_position: ScrollOffset,
11591 show_thumb: bool,
11592 axis: ScrollbarAxis,
11593 ) -> Self {
11594 let track_bounds = scrollbar_track_hitbox.bounds;
11595 // The length of the track available to the scrollbar thumb. We deliberately
11596 // exclude the content size here so that the thumb aligns with the content.
11597 let track_length = track_bounds.size.along(axis) - content_offset;
11598
11599 Self::new_with_hitbox_and_track_length(
11600 scrollbar_track_hitbox,
11601 track_length,
11602 viewport_size,
11603 scroll_range.into(),
11604 glyph_space,
11605 content_offset.into(),
11606 scroll_position,
11607 show_thumb,
11608 axis,
11609 )
11610 }
11611
11612 fn for_minimap(
11613 minimap_track_hitbox: Hitbox,
11614 visible_lines: f64,
11615 total_editor_lines: f64,
11616 minimap_line_height: Pixels,
11617 scroll_position: ScrollOffset,
11618 minimap_scroll_top: ScrollOffset,
11619 show_thumb: bool,
11620 ) -> Self {
11621 // The scrollbar thumb size is calculated as
11622 // (visible_content/total_content) Γ scrollbar_track_length.
11623 //
11624 // For the minimap's thumb layout, we leverage this by setting the
11625 // scrollbar track length to the entire document size (using minimap line
11626 // height). This creates a thumb that exactly represents the editor
11627 // viewport scaled to minimap proportions.
11628 //
11629 // We adjust the thumb position relative to `minimap_scroll_top` to
11630 // accommodate for the deliberately oversized track.
11631 //
11632 // This approach ensures that the minimap thumb accurately reflects the
11633 // editor's current scroll position whilst nicely synchronizing the minimap
11634 // thumb and scrollbar thumb.
11635 let scroll_range = total_editor_lines * f64::from(minimap_line_height);
11636 let viewport_size = visible_lines * f64::from(minimap_line_height);
11637
11638 let track_top_offset = -minimap_scroll_top * f64::from(minimap_line_height);
11639
11640 Self::new_with_hitbox_and_track_length(
11641 minimap_track_hitbox,
11642 Pixels::from(scroll_range),
11643 Pixels::from(viewport_size),
11644 scroll_range,
11645 minimap_line_height,
11646 track_top_offset,
11647 scroll_position,
11648 show_thumb,
11649 ScrollbarAxis::Vertical,
11650 )
11651 }
11652
11653 fn new_with_hitbox_and_track_length(
11654 scrollbar_track_hitbox: Hitbox,
11655 track_length: Pixels,
11656 viewport_size: Pixels,
11657 scroll_range: f64,
11658 glyph_space: Pixels,
11659 content_offset: ScrollOffset,
11660 scroll_position: ScrollOffset,
11661 show_thumb: bool,
11662 axis: ScrollbarAxis,
11663 ) -> Self {
11664 let text_units_per_page = viewport_size.to_f64() / glyph_space.to_f64();
11665 let visible_range = scroll_position..scroll_position + text_units_per_page;
11666 let total_text_units = scroll_range / glyph_space.to_f64();
11667
11668 let thumb_percentage = text_units_per_page / total_text_units;
11669 let thumb_size = Pixels::from(ScrollOffset::from(track_length) * thumb_percentage)
11670 .max(ScrollbarLayout::MIN_THUMB_SIZE)
11671 .min(track_length);
11672
11673 let text_unit_divisor = (total_text_units - text_units_per_page).max(0.);
11674
11675 let content_larger_than_viewport = text_unit_divisor > 0.;
11676
11677 let text_unit_size = if content_larger_than_viewport {
11678 Pixels::from(ScrollOffset::from(track_length - thumb_size) / text_unit_divisor)
11679 } else {
11680 glyph_space
11681 };
11682
11683 let thumb_bounds = (show_thumb && content_larger_than_viewport).then(|| {
11684 Self::thumb_bounds(
11685 &scrollbar_track_hitbox,
11686 content_offset,
11687 visible_range.start,
11688 text_unit_size,
11689 thumb_size,
11690 axis,
11691 )
11692 });
11693
11694 ScrollbarLayout {
11695 hitbox: scrollbar_track_hitbox,
11696 visible_range,
11697 text_unit_size,
11698 thumb_bounds,
11699 thumb_state: Default::default(),
11700 }
11701 }
11702
11703 fn with_thumb_state(self, thumb_state: Option<ScrollbarThumbState>) -> Self {
11704 if let Some(thumb_state) = thumb_state {
11705 Self {
11706 thumb_state,
11707 ..self
11708 }
11709 } else {
11710 self
11711 }
11712 }
11713
11714 fn thumb_bounds(
11715 scrollbar_track: &Hitbox,
11716 content_offset: f64,
11717 visible_range_start: f64,
11718 text_unit_size: Pixels,
11719 thumb_size: Pixels,
11720 axis: ScrollbarAxis,
11721 ) -> Bounds<Pixels> {
11722 let thumb_origin = scrollbar_track.origin.apply_along(axis, |origin| {
11723 origin
11724 + Pixels::from(
11725 content_offset + visible_range_start * ScrollOffset::from(text_unit_size),
11726 )
11727 });
11728 Bounds::new(
11729 thumb_origin,
11730 scrollbar_track.size.apply_along(axis, |_| thumb_size),
11731 )
11732 }
11733
11734 fn thumb_hovered(&self, position: &gpui::Point<Pixels>) -> bool {
11735 self.thumb_bounds
11736 .is_some_and(|bounds| bounds.contains(position))
11737 }
11738
11739 fn marker_quads_for_ranges(
11740 &self,
11741 row_ranges: impl IntoIterator<Item = ColoredRange<DisplayRow>>,
11742 column: Option<usize>,
11743 ) -> Vec<PaintQuad> {
11744 struct MinMax {
11745 min: Pixels,
11746 max: Pixels,
11747 }
11748 let (x_range, height_limit) = if let Some(column) = column {
11749 let column_width = ((self.hitbox.size.width - Self::BORDER_WIDTH) / 3.0).floor();
11750 let start = Self::BORDER_WIDTH + (column as f32 * column_width);
11751 let end = start + column_width;
11752 (
11753 Range { start, end },
11754 MinMax {
11755 min: Self::MIN_MARKER_HEIGHT,
11756 max: px(f32::MAX),
11757 },
11758 )
11759 } else {
11760 (
11761 Range {
11762 start: Self::BORDER_WIDTH,
11763 end: self.hitbox.size.width,
11764 },
11765 MinMax {
11766 min: Self::LINE_MARKER_HEIGHT,
11767 max: Self::LINE_MARKER_HEIGHT,
11768 },
11769 )
11770 };
11771
11772 let row_to_y = |row: DisplayRow| row.as_f64() as f32 * self.text_unit_size;
11773 let mut pixel_ranges = row_ranges
11774 .into_iter()
11775 .map(|range| {
11776 let start_y = row_to_y(range.start);
11777 let end_y = row_to_y(range.end)
11778 + self
11779 .text_unit_size
11780 .max(height_limit.min)
11781 .min(height_limit.max);
11782 ColoredRange {
11783 start: start_y,
11784 end: end_y,
11785 color: range.color,
11786 }
11787 })
11788 .peekable();
11789
11790 let mut quads = Vec::new();
11791 while let Some(mut pixel_range) = pixel_ranges.next() {
11792 while let Some(next_pixel_range) = pixel_ranges.peek() {
11793 if pixel_range.end >= next_pixel_range.start - px(1.0)
11794 && pixel_range.color == next_pixel_range.color
11795 {
11796 pixel_range.end = next_pixel_range.end.max(pixel_range.end);
11797 pixel_ranges.next();
11798 } else {
11799 break;
11800 }
11801 }
11802
11803 let bounds = Bounds::from_corners(
11804 point(x_range.start, pixel_range.start),
11805 point(x_range.end, pixel_range.end),
11806 );
11807 quads.push(quad(
11808 bounds,
11809 Corners::default(),
11810 pixel_range.color,
11811 Edges::default(),
11812 Hsla::transparent_black(),
11813 BorderStyle::default(),
11814 ));
11815 }
11816
11817 quads
11818 }
11819}
11820
11821struct MinimapLayout {
11822 pub minimap: AnyElement,
11823 pub thumb_layout: ScrollbarLayout,
11824 pub minimap_scroll_top: ScrollOffset,
11825 pub minimap_line_height: Pixels,
11826 pub thumb_border_style: MinimapThumbBorder,
11827 pub max_scroll_top: ScrollOffset,
11828}
11829
11830impl MinimapLayout {
11831 /// The minimum width of the minimap in columns. If the minimap is smaller than this, it will be hidden.
11832 const MINIMAP_MIN_WIDTH_COLUMNS: f32 = 20.;
11833 /// The minimap width as a percentage of the editor width.
11834 const MINIMAP_WIDTH_PCT: f32 = 0.15;
11835 /// Calculates the scroll top offset the minimap editor has to have based on the
11836 /// current scroll progress.
11837 fn calculate_minimap_top_offset(
11838 document_lines: f64,
11839 visible_editor_lines: f64,
11840 visible_minimap_lines: f64,
11841 scroll_position: f64,
11842 ) -> ScrollOffset {
11843 let non_visible_document_lines = (document_lines - visible_editor_lines).max(0.);
11844 if non_visible_document_lines == 0. {
11845 0.
11846 } else {
11847 let scroll_percentage = (scroll_position / non_visible_document_lines).clamp(0., 1.);
11848 scroll_percentage * (document_lines - visible_minimap_lines).max(0.)
11849 }
11850 }
11851}
11852
11853struct CreaseTrailerLayout {
11854 element: AnyElement,
11855 bounds: Bounds<Pixels>,
11856}
11857
11858pub(crate) struct PositionMap {
11859 pub size: Size<Pixels>,
11860 pub line_height: Pixels,
11861 pub scroll_position: gpui::Point<ScrollOffset>,
11862 pub scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
11863 pub scroll_max: gpui::Point<ScrollOffset>,
11864 pub em_width: Pixels,
11865 pub em_advance: Pixels,
11866 pub em_layout_width: Pixels,
11867 pub visible_row_range: Range<DisplayRow>,
11868 pub line_layouts: Vec<LineWithInvisibles>,
11869 pub snapshot: EditorSnapshot,
11870 pub text_align: TextAlign,
11871 pub content_width: Pixels,
11872 pub text_hitbox: Hitbox,
11873 pub gutter_hitbox: Hitbox,
11874 pub inline_blame_bounds: Option<(Bounds<Pixels>, BufferId, BlameEntry)>,
11875 pub display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
11876 pub diff_hunk_control_bounds: Vec<(DisplayRow, Bounds<Pixels>)>,
11877}
11878
11879#[derive(Debug, Copy, Clone)]
11880pub struct PointForPosition {
11881 pub previous_valid: DisplayPoint,
11882 pub next_valid: DisplayPoint,
11883 pub exact_unclipped: DisplayPoint,
11884 pub column_overshoot_after_line_end: u32,
11885}
11886
11887impl PointForPosition {
11888 pub fn as_valid(&self) -> Option<DisplayPoint> {
11889 if self.previous_valid == self.exact_unclipped && self.next_valid == self.exact_unclipped {
11890 Some(self.previous_valid)
11891 } else {
11892 None
11893 }
11894 }
11895
11896 pub fn intersects_selection(&self, selection: &Selection<DisplayPoint>) -> bool {
11897 let Some(valid_point) = self.as_valid() else {
11898 return false;
11899 };
11900 let range = selection.range();
11901
11902 let candidate_row = valid_point.row();
11903 let candidate_col = valid_point.column();
11904
11905 let start_row = range.start.row();
11906 let start_col = range.start.column();
11907 let end_row = range.end.row();
11908 let end_col = range.end.column();
11909
11910 if candidate_row < start_row || candidate_row > end_row {
11911 false
11912 } else if start_row == end_row {
11913 candidate_col >= start_col && candidate_col < end_col
11914 } else if candidate_row == start_row {
11915 candidate_col >= start_col
11916 } else if candidate_row == end_row {
11917 candidate_col < end_col
11918 } else {
11919 true
11920 }
11921 }
11922}
11923
11924impl PositionMap {
11925 pub(crate) fn point_for_position(&self, position: gpui::Point<Pixels>) -> PointForPosition {
11926 let text_bounds = self.text_hitbox.bounds;
11927 let scroll_position = self.snapshot.scroll_position();
11928 let position = position - text_bounds.origin;
11929 let y = position.y.max(px(0.)).min(self.size.height);
11930 let x = position.x + (scroll_position.x as f32 * self.em_layout_width);
11931 let row = ((y / self.line_height) as f64 + scroll_position.y) as u32;
11932
11933 let (column, x_overshoot_after_line_end) = if let Some(line) = self
11934 .line_layouts
11935 .get(row as usize - scroll_position.y as usize)
11936 {
11937 let alignment_offset = line.alignment_offset(self.text_align, self.content_width);
11938 let x_relative_to_text = x - alignment_offset;
11939 if let Some(ix) = line.index_for_x(x_relative_to_text) {
11940 (ix as u32, px(0.))
11941 } else {
11942 (line.len as u32, px(0.).max(x_relative_to_text - line.width))
11943 }
11944 } else {
11945 (0, x)
11946 };
11947
11948 let mut exact_unclipped = DisplayPoint::new(DisplayRow(row), column);
11949 let previous_valid = self.snapshot.clip_point(exact_unclipped, Bias::Left);
11950 let next_valid = self.snapshot.clip_point(exact_unclipped, Bias::Right);
11951
11952 let column_overshoot_after_line_end =
11953 (x_overshoot_after_line_end / self.em_layout_width) as u32;
11954 *exact_unclipped.column_mut() += column_overshoot_after_line_end;
11955 PointForPosition {
11956 previous_valid,
11957 next_valid,
11958 exact_unclipped,
11959 column_overshoot_after_line_end,
11960 }
11961 }
11962
11963 fn point_for_position_on_line(
11964 &self,
11965 position: gpui::Point<Pixels>,
11966 row: DisplayRow,
11967 line: &LineWithInvisibles,
11968 ) -> PointForPosition {
11969 let text_bounds = self.text_hitbox.bounds;
11970 let scroll_position = self.snapshot.scroll_position();
11971 let position = position - text_bounds.origin;
11972 let x = position.x + (scroll_position.x as f32 * self.em_layout_width);
11973
11974 let alignment_offset = line.alignment_offset(self.text_align, self.content_width);
11975 let x_relative_to_text = x - alignment_offset;
11976 let (column, x_overshoot_after_line_end) =
11977 if let Some(ix) = line.index_for_x(x_relative_to_text) {
11978 (ix as u32, px(0.))
11979 } else {
11980 (line.len as u32, px(0.).max(x_relative_to_text - line.width))
11981 };
11982
11983 let mut exact_unclipped = DisplayPoint::new(row, column);
11984 let previous_valid = self.snapshot.clip_point(exact_unclipped, Bias::Left);
11985 let next_valid = self.snapshot.clip_point(exact_unclipped, Bias::Right);
11986
11987 let column_overshoot_after_line_end =
11988 (x_overshoot_after_line_end / self.em_layout_width) as u32;
11989 *exact_unclipped.column_mut() += column_overshoot_after_line_end;
11990 PointForPosition {
11991 previous_valid,
11992 next_valid,
11993 exact_unclipped,
11994 column_overshoot_after_line_end,
11995 }
11996 }
11997}
11998
11999pub(crate) struct BlockLayout {
12000 pub(crate) id: BlockId,
12001 pub(crate) x_offset: Pixels,
12002 pub(crate) row: Option<DisplayRow>,
12003 pub(crate) element: AnyElement,
12004 pub(crate) available_space: Size<AvailableSpace>,
12005 pub(crate) style: BlockStyle,
12006 pub(crate) overlaps_gutter: bool,
12007 pub(crate) is_buffer_header: bool,
12008}
12009
12010pub fn layout_line(
12011 row: DisplayRow,
12012 snapshot: &EditorSnapshot,
12013 style: &EditorStyle,
12014 text_width: Pixels,
12015 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
12016 window: &mut Window,
12017 cx: &mut App,
12018) -> LineWithInvisibles {
12019 let use_tree_sitter =
12020 !snapshot.semantic_tokens_enabled || snapshot.use_tree_sitter_for_syntax(row, cx);
12021 let chunks = snapshot.highlighted_chunks(row..row + DisplayRow(1), use_tree_sitter, style);
12022 LineWithInvisibles::from_chunks(
12023 chunks,
12024 style,
12025 MAX_LINE_LEN,
12026 1,
12027 &snapshot.mode,
12028 text_width,
12029 is_row_soft_wrapped,
12030 &[],
12031 window,
12032 cx,
12033 )
12034 .pop()
12035 .unwrap()
12036}
12037
12038#[derive(Debug, Clone)]
12039pub struct IndentGuideLayout {
12040 origin: gpui::Point<Pixels>,
12041 length: Pixels,
12042 single_indent_width: Pixels,
12043 display_row_range: Range<DisplayRow>,
12044 depth: u32,
12045 active: bool,
12046 settings: IndentGuideSettings,
12047}
12048
12049pub struct CursorLayout {
12050 origin: gpui::Point<Pixels>,
12051 block_width: Pixels,
12052 line_height: Pixels,
12053 color: Hsla,
12054 shape: CursorShape,
12055 block_text: Option<ShapedLine>,
12056 cursor_name: Option<AnyElement>,
12057}
12058
12059#[derive(Debug)]
12060pub struct CursorName {
12061 string: SharedString,
12062 color: Hsla,
12063 is_top_row: bool,
12064}
12065
12066impl CursorLayout {
12067 pub fn new(
12068 origin: gpui::Point<Pixels>,
12069 block_width: Pixels,
12070 line_height: Pixels,
12071 color: Hsla,
12072 shape: CursorShape,
12073 block_text: Option<ShapedLine>,
12074 ) -> CursorLayout {
12075 CursorLayout {
12076 origin,
12077 block_width,
12078 line_height,
12079 color,
12080 shape,
12081 block_text,
12082 cursor_name: None,
12083 }
12084 }
12085
12086 pub fn bounding_rect(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
12087 Bounds {
12088 origin: self.origin + origin,
12089 size: size(self.block_width, self.line_height),
12090 }
12091 }
12092
12093 fn bounds(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
12094 match self.shape {
12095 CursorShape::Bar => Bounds {
12096 origin: self.origin + origin,
12097 size: size(px(2.0), self.line_height),
12098 },
12099 CursorShape::Block | CursorShape::Hollow => Bounds {
12100 origin: self.origin + origin,
12101 size: size(self.block_width, self.line_height),
12102 },
12103 CursorShape::Underline => Bounds {
12104 origin: self.origin
12105 + origin
12106 + gpui::Point::new(Pixels::ZERO, self.line_height - px(2.0)),
12107 size: size(self.block_width, px(2.0)),
12108 },
12109 }
12110 }
12111
12112 pub fn layout(
12113 &mut self,
12114 origin: gpui::Point<Pixels>,
12115 cursor_name: Option<CursorName>,
12116 window: &mut Window,
12117 cx: &mut App,
12118 ) {
12119 if let Some(cursor_name) = cursor_name {
12120 let bounds = self.bounds(origin);
12121 let text_size = self.line_height / 1.5;
12122
12123 let name_origin = if cursor_name.is_top_row {
12124 point(bounds.right() - px(1.), bounds.top())
12125 } else {
12126 match self.shape {
12127 CursorShape::Bar => point(
12128 bounds.right() - px(2.),
12129 bounds.top() - text_size / 2. - px(1.),
12130 ),
12131 _ => point(
12132 bounds.right() - px(1.),
12133 bounds.top() - text_size / 2. - px(1.),
12134 ),
12135 }
12136 };
12137 let mut name_element = div()
12138 .bg(self.color)
12139 .text_size(text_size)
12140 .px_0p5()
12141 .line_height(text_size + px(2.))
12142 .text_color(cursor_name.color)
12143 .child(cursor_name.string)
12144 .into_any_element();
12145
12146 name_element.prepaint_as_root(name_origin, AvailableSpace::min_size(), window, cx);
12147
12148 self.cursor_name = Some(name_element);
12149 }
12150 }
12151
12152 pub fn paint(&mut self, origin: gpui::Point<Pixels>, window: &mut Window, cx: &mut App) {
12153 let bounds = self.bounds(origin);
12154
12155 //Draw background or border quad
12156 let cursor = if matches!(self.shape, CursorShape::Hollow) {
12157 outline(bounds, self.color, BorderStyle::Solid)
12158 } else {
12159 fill(bounds, self.color)
12160 };
12161
12162 if let Some(name) = &mut self.cursor_name {
12163 name.paint(window, cx);
12164 }
12165
12166 window.paint_quad(cursor);
12167
12168 if let Some(block_text) = &self.block_text {
12169 block_text
12170 .paint(
12171 self.origin + origin,
12172 self.line_height,
12173 TextAlign::Left,
12174 None,
12175 window,
12176 cx,
12177 )
12178 .log_err();
12179 }
12180 }
12181
12182 pub fn shape(&self) -> CursorShape {
12183 self.shape
12184 }
12185}
12186
12187#[derive(Debug)]
12188pub struct HighlightedRange {
12189 pub start_y: Pixels,
12190 pub line_height: Pixels,
12191 pub lines: Vec<HighlightedRangeLine>,
12192 pub color: Hsla,
12193 pub corner_radius: Pixels,
12194}
12195
12196#[derive(Debug)]
12197pub struct HighlightedRangeLine {
12198 pub start_x: Pixels,
12199 pub end_x: Pixels,
12200}
12201
12202impl HighlightedRange {
12203 pub fn paint(&self, fill: bool, bounds: Bounds<Pixels>, window: &mut Window) {
12204 if self.lines.len() >= 2 && self.lines[0].start_x > self.lines[1].end_x {
12205 self.paint_lines(self.start_y, &self.lines[0..1], fill, bounds, window);
12206 self.paint_lines(
12207 self.start_y + self.line_height,
12208 &self.lines[1..],
12209 fill,
12210 bounds,
12211 window,
12212 );
12213 } else {
12214 self.paint_lines(self.start_y, &self.lines, fill, bounds, window);
12215 }
12216 }
12217
12218 fn paint_lines(
12219 &self,
12220 start_y: Pixels,
12221 lines: &[HighlightedRangeLine],
12222 fill: bool,
12223 _bounds: Bounds<Pixels>,
12224 window: &mut Window,
12225 ) {
12226 if lines.is_empty() {
12227 return;
12228 }
12229
12230 let first_line = lines.first().unwrap();
12231 let last_line = lines.last().unwrap();
12232
12233 let first_top_left = point(first_line.start_x, start_y);
12234 let first_top_right = point(first_line.end_x, start_y);
12235
12236 let curve_height = point(Pixels::ZERO, self.corner_radius);
12237 let curve_width = |start_x: Pixels, end_x: Pixels| {
12238 let max = (end_x - start_x) / 2.;
12239 let width = if max < self.corner_radius {
12240 max
12241 } else {
12242 self.corner_radius
12243 };
12244
12245 point(width, Pixels::ZERO)
12246 };
12247
12248 let top_curve_width = curve_width(first_line.start_x, first_line.end_x);
12249 let mut builder = if fill {
12250 gpui::PathBuilder::fill()
12251 } else {
12252 gpui::PathBuilder::stroke(px(1.))
12253 };
12254 builder.move_to(first_top_right - top_curve_width);
12255 builder.curve_to(first_top_right + curve_height, first_top_right);
12256
12257 let mut iter = lines.iter().enumerate().peekable();
12258 while let Some((ix, line)) = iter.next() {
12259 let bottom_right = point(line.end_x, start_y + (ix + 1) as f32 * self.line_height);
12260
12261 if let Some((_, next_line)) = iter.peek() {
12262 let next_top_right = point(next_line.end_x, bottom_right.y);
12263
12264 match next_top_right.x.partial_cmp(&bottom_right.x).unwrap() {
12265 Ordering::Equal => {
12266 builder.line_to(bottom_right);
12267 }
12268 Ordering::Less => {
12269 let curve_width = curve_width(next_top_right.x, bottom_right.x);
12270 builder.line_to(bottom_right - curve_height);
12271 if self.corner_radius > Pixels::ZERO {
12272 builder.curve_to(bottom_right - curve_width, bottom_right);
12273 }
12274 builder.line_to(next_top_right + curve_width);
12275 if self.corner_radius > Pixels::ZERO {
12276 builder.curve_to(next_top_right + curve_height, next_top_right);
12277 }
12278 }
12279 Ordering::Greater => {
12280 let curve_width = curve_width(bottom_right.x, next_top_right.x);
12281 builder.line_to(bottom_right - curve_height);
12282 if self.corner_radius > Pixels::ZERO {
12283 builder.curve_to(bottom_right + curve_width, bottom_right);
12284 }
12285 builder.line_to(next_top_right - curve_width);
12286 if self.corner_radius > Pixels::ZERO {
12287 builder.curve_to(next_top_right + curve_height, next_top_right);
12288 }
12289 }
12290 }
12291 } else {
12292 let curve_width = curve_width(line.start_x, line.end_x);
12293 builder.line_to(bottom_right - curve_height);
12294 if self.corner_radius > Pixels::ZERO {
12295 builder.curve_to(bottom_right - curve_width, bottom_right);
12296 }
12297
12298 let bottom_left = point(line.start_x, bottom_right.y);
12299 builder.line_to(bottom_left + curve_width);
12300 if self.corner_radius > Pixels::ZERO {
12301 builder.curve_to(bottom_left - curve_height, bottom_left);
12302 }
12303 }
12304 }
12305
12306 if first_line.start_x > last_line.start_x {
12307 let curve_width = curve_width(last_line.start_x, first_line.start_x);
12308 let second_top_left = point(last_line.start_x, start_y + self.line_height);
12309 builder.line_to(second_top_left + curve_height);
12310 if self.corner_radius > Pixels::ZERO {
12311 builder.curve_to(second_top_left + curve_width, second_top_left);
12312 }
12313 let first_bottom_left = point(first_line.start_x, second_top_left.y);
12314 builder.line_to(first_bottom_left - curve_width);
12315 if self.corner_radius > Pixels::ZERO {
12316 builder.curve_to(first_bottom_left - curve_height, first_bottom_left);
12317 }
12318 }
12319
12320 builder.line_to(first_top_left + curve_height);
12321 if self.corner_radius > Pixels::ZERO {
12322 builder.curve_to(first_top_left + top_curve_width, first_top_left);
12323 }
12324 builder.line_to(first_top_right - top_curve_width);
12325
12326 if let Ok(path) = builder.build() {
12327 window.paint_path(path, self.color);
12328 }
12329 }
12330}
12331
12332pub(crate) struct StickyHeader {
12333 pub sticky_row: DisplayRow,
12334 pub start_point: Point,
12335 pub offset: ScrollOffset,
12336}
12337
12338enum CursorPopoverType {
12339 CodeContextMenu,
12340 EditPrediction,
12341}
12342
12343pub fn scale_vertical_mouse_autoscroll_delta(delta: Pixels) -> f32 {
12344 (delta.pow(1.2) / 100.0).min(px(3.0)).into()
12345}
12346
12347fn scale_horizontal_mouse_autoscroll_delta(delta: Pixels) -> f32 {
12348 (delta.pow(1.2) / 300.0).into()
12349}
12350
12351pub fn register_action<T: Action>(
12352 editor: &Entity<Editor>,
12353 window: &mut Window,
12354 listener: impl Fn(&mut Editor, &T, &mut Window, &mut Context<Editor>) + 'static,
12355) {
12356 let editor = editor.clone();
12357 window.on_action(TypeId::of::<T>(), move |action, phase, window, cx| {
12358 let action = action.downcast_ref().unwrap();
12359 if phase == DispatchPhase::Bubble {
12360 editor.update(cx, |editor, cx| {
12361 listener(editor, action, window, cx);
12362 })
12363 }
12364 })
12365}
12366
12367/// Shared between `prepaint` and `compute_auto_height_layout` to ensure
12368/// both full and auto-height editors compute wrap widths consistently.
12369fn calculate_wrap_width(
12370 soft_wrap: SoftWrap,
12371 editor_width: Pixels,
12372 em_width: Pixels,
12373) -> Option<Pixels> {
12374 let wrap_width_for = |column: u32| (column as f32 * em_width).ceil();
12375
12376 match soft_wrap {
12377 SoftWrap::GitDiff => None,
12378 SoftWrap::None => Some(wrap_width_for(MAX_LINE_LEN as u32 / 2)),
12379 SoftWrap::EditorWidth => Some(editor_width),
12380 SoftWrap::Column(column) => Some(wrap_width_for(column)),
12381 SoftWrap::Bounded(column) => Some(editor_width.min(wrap_width_for(column))),
12382 }
12383}
12384
12385fn compute_auto_height_layout(
12386 editor: &mut Editor,
12387 min_lines: usize,
12388 max_lines: Option<usize>,
12389 known_dimensions: Size<Option<Pixels>>,
12390 available_width: AvailableSpace,
12391 window: &mut Window,
12392 cx: &mut Context<Editor>,
12393) -> Option<Size<Pixels>> {
12394 let width = known_dimensions.width.or({
12395 if let AvailableSpace::Definite(available_width) = available_width {
12396 Some(available_width)
12397 } else {
12398 None
12399 }
12400 })?;
12401 if let Some(height) = known_dimensions.height {
12402 return Some(size(width, height));
12403 }
12404
12405 let style = editor.style.as_ref().unwrap();
12406 let font_id = window.text_system().resolve_font(&style.text.font());
12407 let font_size = style.text.font_size.to_pixels(window.rem_size());
12408 let line_height = style.text.line_height_in_pixels(window.rem_size());
12409 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
12410
12411 let mut snapshot = editor.snapshot(window, cx);
12412 let gutter_dimensions = snapshot.gutter_dimensions(font_id, font_size, style, window, cx);
12413
12414 editor.gutter_dimensions = gutter_dimensions;
12415 let text_width = width - gutter_dimensions.width;
12416 let overscroll = size(em_width, px(0.));
12417
12418 let editor_width = text_width - gutter_dimensions.margin - overscroll.width - em_width;
12419 let wrap_width = calculate_wrap_width(editor.soft_wrap_mode(cx), editor_width, em_width);
12420 if wrap_width.is_some() && editor.set_wrap_width(wrap_width, cx) {
12421 snapshot = editor.snapshot(window, cx);
12422 }
12423
12424 let scroll_height = (snapshot.max_point().row().next_row().0 as f32) * line_height;
12425
12426 let min_height = line_height * min_lines as f32;
12427 let content_height = scroll_height.max(min_height);
12428
12429 let final_height = if let Some(max_lines) = max_lines {
12430 let max_height = line_height * max_lines as f32;
12431 content_height.min(max_height)
12432 } else {
12433 content_height
12434 };
12435
12436 Some(size(width, final_height))
12437}
12438
12439#[cfg(test)]
12440mod tests {
12441 use super::*;
12442 use crate::{
12443 Editor, MultiBuffer, SelectionEffects,
12444 display_map::{BlockPlacement, BlockProperties},
12445 editor_tests::{init_test, update_test_language_settings},
12446 };
12447 use gpui::{TestAppContext, VisualTestContext};
12448 use language::{Buffer, language_settings, tree_sitter_python};
12449 use log::info;
12450 use rand::{RngCore, rngs::StdRng};
12451 use std::num::NonZeroU32;
12452 use util::test::sample_text;
12453
12454 #[gpui::test]
12455 async fn test_soft_wrap_editor_width_auto_height_editor(cx: &mut TestAppContext) {
12456 init_test(cx, |_| {});
12457 let window = cx.add_window(|window, cx| {
12458 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
12459 let mut editor = Editor::new(
12460 EditorMode::AutoHeight {
12461 min_lines: 1,
12462 max_lines: None,
12463 },
12464 buffer,
12465 None,
12466 window,
12467 cx,
12468 );
12469 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
12470 editor
12471 });
12472 let cx = &mut VisualTestContext::from_window(*window, cx);
12473 let editor = window.root(cx).unwrap();
12474 let style = cx.update(|_, cx| editor.update(cx, |editor, cx| editor.style(cx).clone()));
12475
12476 for x in 1..=100 {
12477 let (_, state) = cx.draw(
12478 Default::default(),
12479 size(px(200. + 0.13 * x as f32), px(500.)),
12480 |_, _| EditorElement::new(&editor, style.clone()),
12481 );
12482
12483 assert!(
12484 state.position_map.scroll_max.x == 0.,
12485 "Soft wrapped editor should have no horizontal scrolling!"
12486 );
12487 }
12488 }
12489
12490 #[gpui::test]
12491 async fn test_soft_wrap_editor_width_full_editor(cx: &mut TestAppContext) {
12492 init_test(cx, |_| {});
12493 let window = cx.add_window(|window, cx| {
12494 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
12495 let mut editor = Editor::new(EditorMode::full(), buffer, None, window, cx);
12496 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
12497 editor
12498 });
12499 let cx = &mut VisualTestContext::from_window(*window, cx);
12500 let editor = window.root(cx).unwrap();
12501 let style = cx.update(|_, cx| editor.update(cx, |editor, cx| editor.style(cx).clone()));
12502
12503 for x in 1..=100 {
12504 let (_, state) = cx.draw(
12505 Default::default(),
12506 size(px(200. + 0.13 * x as f32), px(500.)),
12507 |_, _| EditorElement::new(&editor, style.clone()),
12508 );
12509
12510 assert!(
12511 state.position_map.scroll_max.x == 0.,
12512 "Soft wrapped editor should have no horizontal scrolling!"
12513 );
12514 }
12515 }
12516
12517 #[gpui::test]
12518 fn test_layout_line_numbers(cx: &mut TestAppContext) {
12519 init_test(cx, |_| {});
12520 let window = cx.add_window(|window, cx| {
12521 let buffer = MultiBuffer::build_simple(&sample_text(6, 6, 'a'), cx);
12522 Editor::new(EditorMode::full(), buffer, None, window, cx)
12523 });
12524
12525 let editor = window.root(cx).unwrap();
12526 let style = editor.update(cx, |editor, cx| editor.style(cx).clone());
12527 let line_height = window
12528 .update(cx, |_, window, _| {
12529 style.text.line_height_in_pixels(window.rem_size())
12530 })
12531 .unwrap();
12532 let element = EditorElement::new(&editor, style);
12533 let snapshot = window
12534 .update(cx, |editor, window, cx| editor.snapshot(window, cx))
12535 .unwrap();
12536
12537 let layouts = cx
12538 .update_window(*window, |_, window, cx| {
12539 element.layout_line_numbers(
12540 None,
12541 GutterDimensions {
12542 left_padding: Pixels::ZERO,
12543 right_padding: Pixels::ZERO,
12544 width: px(30.0),
12545 margin: Pixels::ZERO,
12546 git_blame_entries_width: None,
12547 },
12548 line_height,
12549 gpui::Point::default(),
12550 DisplayRow(0)..DisplayRow(6),
12551 &(0..6)
12552 .map(|row| RowInfo {
12553 buffer_row: Some(row),
12554 ..Default::default()
12555 })
12556 .collect::<Vec<_>>(),
12557 &BTreeMap::default(),
12558 Some(DisplayRow(0)),
12559 &snapshot,
12560 window,
12561 cx,
12562 )
12563 })
12564 .unwrap();
12565 assert_eq!(layouts.len(), 6);
12566
12567 let relative_rows = window
12568 .update(cx, |editor, window, cx| {
12569 let snapshot = editor.snapshot(window, cx);
12570 snapshot.calculate_relative_line_numbers(
12571 &(DisplayRow(0)..DisplayRow(6)),
12572 DisplayRow(3),
12573 false,
12574 )
12575 })
12576 .unwrap();
12577 assert_eq!(relative_rows[&DisplayRow(0)], 3);
12578 assert_eq!(relative_rows[&DisplayRow(1)], 2);
12579 assert_eq!(relative_rows[&DisplayRow(2)], 1);
12580 // current line has no relative number
12581 assert!(!relative_rows.contains_key(&DisplayRow(3)));
12582 assert_eq!(relative_rows[&DisplayRow(4)], 1);
12583 assert_eq!(relative_rows[&DisplayRow(5)], 2);
12584
12585 // works if cursor is before screen
12586 let relative_rows = window
12587 .update(cx, |editor, window, cx| {
12588 let snapshot = editor.snapshot(window, cx);
12589 snapshot.calculate_relative_line_numbers(
12590 &(DisplayRow(3)..DisplayRow(6)),
12591 DisplayRow(1),
12592 false,
12593 )
12594 })
12595 .unwrap();
12596 assert_eq!(relative_rows.len(), 3);
12597 assert_eq!(relative_rows[&DisplayRow(3)], 2);
12598 assert_eq!(relative_rows[&DisplayRow(4)], 3);
12599 assert_eq!(relative_rows[&DisplayRow(5)], 4);
12600
12601 // works if cursor is after screen
12602 let relative_rows = window
12603 .update(cx, |editor, window, cx| {
12604 let snapshot = editor.snapshot(window, cx);
12605 snapshot.calculate_relative_line_numbers(
12606 &(DisplayRow(0)..DisplayRow(3)),
12607 DisplayRow(6),
12608 false,
12609 )
12610 })
12611 .unwrap();
12612 assert_eq!(relative_rows.len(), 3);
12613 assert_eq!(relative_rows[&DisplayRow(0)], 5);
12614 assert_eq!(relative_rows[&DisplayRow(1)], 4);
12615 assert_eq!(relative_rows[&DisplayRow(2)], 3);
12616
12617 const DELETED_LINE: u32 = 3;
12618 let layouts = cx
12619 .update_window(*window, |_, window, cx| {
12620 element.layout_line_numbers(
12621 None,
12622 GutterDimensions {
12623 left_padding: Pixels::ZERO,
12624 right_padding: Pixels::ZERO,
12625 width: px(30.0),
12626 margin: Pixels::ZERO,
12627 git_blame_entries_width: None,
12628 },
12629 line_height,
12630 gpui::Point::default(),
12631 DisplayRow(0)..DisplayRow(6),
12632 &(0..6)
12633 .map(|row| RowInfo {
12634 buffer_row: Some(row),
12635 diff_status: (row == DELETED_LINE).then(|| {
12636 DiffHunkStatus::deleted(
12637 buffer_diff::DiffHunkSecondaryStatus::NoSecondaryHunk,
12638 )
12639 }),
12640 ..Default::default()
12641 })
12642 .collect::<Vec<_>>(),
12643 &BTreeMap::default(),
12644 Some(DisplayRow(0)),
12645 &snapshot,
12646 window,
12647 cx,
12648 )
12649 })
12650 .unwrap();
12651 assert_eq!(layouts.len(), 5,);
12652 assert!(
12653 layouts.get(&MultiBufferRow(DELETED_LINE)).is_none(),
12654 "Deleted line should not have a line number"
12655 );
12656 }
12657
12658 #[gpui::test]
12659 async fn test_layout_line_numbers_with_folded_lines(cx: &mut TestAppContext) {
12660 init_test(cx, |_| {});
12661
12662 let python_lang = languages::language("python", tree_sitter_python::LANGUAGE.into());
12663
12664 let window = cx.add_window(|window, cx| {
12665 let buffer = cx.new(|cx| {
12666 Buffer::local(
12667 indoc::indoc! {"
12668 fn test() -> int {
12669 return 2;
12670 }
12671
12672 fn another_test() -> int {
12673 # This is a very peculiar method that is hard to grasp.
12674 return 4;
12675 }
12676 "},
12677 cx,
12678 )
12679 .with_language(python_lang, cx)
12680 });
12681
12682 let buffer = MultiBuffer::build_from_buffer(buffer, cx);
12683 Editor::new(EditorMode::full(), buffer, None, window, cx)
12684 });
12685
12686 let editor = window.root(cx).unwrap();
12687 let style = editor.update(cx, |editor, cx| editor.style(cx).clone());
12688 let line_height = window
12689 .update(cx, |_, window, _| {
12690 style.text.line_height_in_pixels(window.rem_size())
12691 })
12692 .unwrap();
12693 let element = EditorElement::new(&editor, style);
12694 let snapshot = window
12695 .update(cx, |editor, window, cx| {
12696 editor.fold_at(MultiBufferRow(0), window, cx);
12697 editor.snapshot(window, cx)
12698 })
12699 .unwrap();
12700
12701 let layouts = cx
12702 .update_window(*window, |_, window, cx| {
12703 element.layout_line_numbers(
12704 None,
12705 GutterDimensions {
12706 left_padding: Pixels::ZERO,
12707 right_padding: Pixels::ZERO,
12708 width: px(30.0),
12709 margin: Pixels::ZERO,
12710 git_blame_entries_width: None,
12711 },
12712 line_height,
12713 gpui::Point::default(),
12714 DisplayRow(0)..DisplayRow(6),
12715 &(0..6)
12716 .map(|row| RowInfo {
12717 buffer_row: Some(row),
12718 ..Default::default()
12719 })
12720 .collect::<Vec<_>>(),
12721 &BTreeMap::default(),
12722 Some(DisplayRow(3)),
12723 &snapshot,
12724 window,
12725 cx,
12726 )
12727 })
12728 .unwrap();
12729 assert_eq!(layouts.len(), 6);
12730
12731 let relative_rows = window
12732 .update(cx, |editor, window, cx| {
12733 let snapshot = editor.snapshot(window, cx);
12734 snapshot.calculate_relative_line_numbers(
12735 &(DisplayRow(0)..DisplayRow(6)),
12736 DisplayRow(3),
12737 false,
12738 )
12739 })
12740 .unwrap();
12741 assert_eq!(relative_rows[&DisplayRow(0)], 3);
12742 assert_eq!(relative_rows[&DisplayRow(1)], 2);
12743 assert_eq!(relative_rows[&DisplayRow(2)], 1);
12744 // current line has no relative number
12745 assert!(!relative_rows.contains_key(&DisplayRow(3)));
12746 assert_eq!(relative_rows[&DisplayRow(4)], 1);
12747 assert_eq!(relative_rows[&DisplayRow(5)], 2);
12748 }
12749
12750 #[gpui::test]
12751 fn test_layout_line_numbers_wrapping(cx: &mut TestAppContext) {
12752 init_test(cx, |_| {});
12753 let window = cx.add_window(|window, cx| {
12754 let buffer = MultiBuffer::build_simple(&sample_text(6, 6, 'a'), cx);
12755 Editor::new(EditorMode::full(), buffer, None, window, cx)
12756 });
12757
12758 update_test_language_settings(cx, &|s| {
12759 s.defaults.preferred_line_length = Some(5_u32);
12760 s.defaults.soft_wrap = Some(language_settings::SoftWrap::PreferredLineLength);
12761 });
12762
12763 let editor = window.root(cx).unwrap();
12764 let style = editor.update(cx, |editor, cx| editor.style(cx).clone());
12765 let line_height = window
12766 .update(cx, |_, window, _| {
12767 style.text.line_height_in_pixels(window.rem_size())
12768 })
12769 .unwrap();
12770 let element = EditorElement::new(&editor, style);
12771 let snapshot = window
12772 .update(cx, |editor, window, cx| editor.snapshot(window, cx))
12773 .unwrap();
12774
12775 let layouts = cx
12776 .update_window(*window, |_, window, cx| {
12777 element.layout_line_numbers(
12778 None,
12779 GutterDimensions {
12780 left_padding: Pixels::ZERO,
12781 right_padding: Pixels::ZERO,
12782 width: px(30.0),
12783 margin: Pixels::ZERO,
12784 git_blame_entries_width: None,
12785 },
12786 line_height,
12787 gpui::Point::default(),
12788 DisplayRow(0)..DisplayRow(6),
12789 &(0..6)
12790 .map(|row| RowInfo {
12791 buffer_row: Some(row),
12792 ..Default::default()
12793 })
12794 .collect::<Vec<_>>(),
12795 &BTreeMap::default(),
12796 Some(DisplayRow(0)),
12797 &snapshot,
12798 window,
12799 cx,
12800 )
12801 })
12802 .unwrap();
12803 assert_eq!(layouts.len(), 3);
12804
12805 let relative_rows = window
12806 .update(cx, |editor, window, cx| {
12807 let snapshot = editor.snapshot(window, cx);
12808 snapshot.calculate_relative_line_numbers(
12809 &(DisplayRow(0)..DisplayRow(6)),
12810 DisplayRow(3),
12811 true,
12812 )
12813 })
12814 .unwrap();
12815
12816 assert_eq!(relative_rows[&DisplayRow(0)], 3);
12817 assert_eq!(relative_rows[&DisplayRow(1)], 2);
12818 assert_eq!(relative_rows[&DisplayRow(2)], 1);
12819 // current line has no relative number
12820 assert!(!relative_rows.contains_key(&DisplayRow(3)));
12821 assert_eq!(relative_rows[&DisplayRow(4)], 1);
12822 assert_eq!(relative_rows[&DisplayRow(5)], 2);
12823
12824 let layouts = cx
12825 .update_window(*window, |_, window, cx| {
12826 element.layout_line_numbers(
12827 None,
12828 GutterDimensions {
12829 left_padding: Pixels::ZERO,
12830 right_padding: Pixels::ZERO,
12831 width: px(30.0),
12832 margin: Pixels::ZERO,
12833 git_blame_entries_width: None,
12834 },
12835 line_height,
12836 gpui::Point::default(),
12837 DisplayRow(0)..DisplayRow(6),
12838 &(0..6)
12839 .map(|row| RowInfo {
12840 buffer_row: Some(row),
12841 diff_status: Some(DiffHunkStatus::deleted(
12842 buffer_diff::DiffHunkSecondaryStatus::NoSecondaryHunk,
12843 )),
12844 ..Default::default()
12845 })
12846 .collect::<Vec<_>>(),
12847 &BTreeMap::from_iter([(DisplayRow(0), LineHighlightSpec::default())]),
12848 Some(DisplayRow(0)),
12849 &snapshot,
12850 window,
12851 cx,
12852 )
12853 })
12854 .unwrap();
12855 assert!(
12856 layouts.is_empty(),
12857 "Deleted lines should have no line number"
12858 );
12859
12860 let relative_rows = window
12861 .update(cx, |editor, window, cx| {
12862 let snapshot = editor.snapshot(window, cx);
12863 snapshot.calculate_relative_line_numbers(
12864 &(DisplayRow(0)..DisplayRow(6)),
12865 DisplayRow(3),
12866 true,
12867 )
12868 })
12869 .unwrap();
12870
12871 // Deleted lines should still have relative numbers
12872 assert_eq!(relative_rows[&DisplayRow(0)], 3);
12873 assert_eq!(relative_rows[&DisplayRow(1)], 2);
12874 assert_eq!(relative_rows[&DisplayRow(2)], 1);
12875 // current line, even if deleted, has no relative number
12876 assert!(!relative_rows.contains_key(&DisplayRow(3)));
12877 assert_eq!(relative_rows[&DisplayRow(4)], 1);
12878 assert_eq!(relative_rows[&DisplayRow(5)], 2);
12879 }
12880
12881 #[gpui::test]
12882 async fn test_vim_visual_selections(cx: &mut TestAppContext) {
12883 init_test(cx, |_| {});
12884
12885 let window = cx.add_window(|window, cx| {
12886 let buffer = MultiBuffer::build_simple(&(sample_text(6, 6, 'a') + "\n"), cx);
12887 Editor::new(EditorMode::full(), buffer, None, window, cx)
12888 });
12889 let cx = &mut VisualTestContext::from_window(*window, cx);
12890 let editor = window.root(cx).unwrap();
12891 let style = cx.update(|_, cx| editor.update(cx, |editor, cx| editor.style(cx).clone()));
12892
12893 window
12894 .update(cx, |editor, window, cx| {
12895 editor.cursor_offset_on_selection = true;
12896 editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
12897 s.select_ranges([
12898 Point::new(0, 0)..Point::new(1, 0),
12899 Point::new(3, 2)..Point::new(3, 3),
12900 Point::new(5, 6)..Point::new(6, 0),
12901 ]);
12902 });
12903 })
12904 .unwrap();
12905
12906 let (_, state) = cx.draw(
12907 point(px(500.), px(500.)),
12908 size(px(500.), px(500.)),
12909 |_, _| EditorElement::new(&editor, style),
12910 );
12911
12912 assert_eq!(state.selections.len(), 1);
12913 let local_selections = &state.selections[0].1;
12914 assert_eq!(local_selections.len(), 3);
12915 // moves cursor back one line
12916 assert_eq!(
12917 local_selections[0].head,
12918 DisplayPoint::new(DisplayRow(0), 6)
12919 );
12920 assert_eq!(
12921 local_selections[0].range,
12922 DisplayPoint::new(DisplayRow(0), 0)..DisplayPoint::new(DisplayRow(1), 0)
12923 );
12924
12925 // moves cursor back one column
12926 assert_eq!(
12927 local_selections[1].range,
12928 DisplayPoint::new(DisplayRow(3), 2)..DisplayPoint::new(DisplayRow(3), 3)
12929 );
12930 assert_eq!(
12931 local_selections[1].head,
12932 DisplayPoint::new(DisplayRow(3), 2)
12933 );
12934
12935 // leaves cursor on the max point
12936 assert_eq!(
12937 local_selections[2].range,
12938 DisplayPoint::new(DisplayRow(5), 6)..DisplayPoint::new(DisplayRow(6), 0)
12939 );
12940 assert_eq!(
12941 local_selections[2].head,
12942 DisplayPoint::new(DisplayRow(6), 0)
12943 );
12944
12945 // active lines does not include 1 (even though the range of the selection does)
12946 assert_eq!(
12947 state.active_rows.keys().cloned().collect::<Vec<_>>(),
12948 vec![DisplayRow(0), DisplayRow(3), DisplayRow(5), DisplayRow(6)]
12949 );
12950 }
12951
12952 #[gpui::test]
12953 fn test_layout_with_placeholder_text_and_blocks(cx: &mut TestAppContext) {
12954 init_test(cx, |_| {});
12955
12956 let window = cx.add_window(|window, cx| {
12957 let buffer = MultiBuffer::build_simple("", cx);
12958 Editor::new(EditorMode::full(), buffer, None, window, cx)
12959 });
12960 let cx = &mut VisualTestContext::from_window(*window, cx);
12961 let editor = window.root(cx).unwrap();
12962 let style = cx.update(|_, cx| editor.update(cx, |editor, cx| editor.style(cx).clone()));
12963 window
12964 .update(cx, |editor, window, cx| {
12965 editor.set_placeholder_text("hello", window, cx);
12966 editor.insert_blocks(
12967 [BlockProperties {
12968 style: BlockStyle::Fixed,
12969 placement: BlockPlacement::Above(Anchor::min()),
12970 height: Some(3),
12971 render: Arc::new(|cx| div().h(3. * cx.window.line_height()).into_any()),
12972 priority: 0,
12973 }],
12974 None,
12975 cx,
12976 );
12977
12978 // Blur the editor so that it displays placeholder text.
12979 window.blur();
12980 })
12981 .unwrap();
12982
12983 let (_, state) = cx.draw(
12984 point(px(500.), px(500.)),
12985 size(px(500.), px(500.)),
12986 |_, _| EditorElement::new(&editor, style),
12987 );
12988 assert_eq!(state.position_map.line_layouts.len(), 4);
12989 assert_eq!(state.line_numbers.len(), 1);
12990 assert_eq!(
12991 state
12992 .line_numbers
12993 .get(&MultiBufferRow(0))
12994 .map(|line_number| line_number
12995 .segments
12996 .first()
12997 .unwrap()
12998 .shaped_line
12999 .text
13000 .as_ref()),
13001 Some("1")
13002 );
13003 }
13004
13005 #[gpui::test]
13006 fn test_all_invisibles_drawing(cx: &mut TestAppContext) {
13007 const TAB_SIZE: u32 = 4;
13008
13009 let input_text = "\t \t|\t| a b";
13010 let expected_invisibles = vec![
13011 Invisible::Tab {
13012 line_start_offset: 0,
13013 line_end_offset: TAB_SIZE as usize,
13014 },
13015 Invisible::Whitespace {
13016 line_offset: TAB_SIZE as usize,
13017 },
13018 Invisible::Tab {
13019 line_start_offset: TAB_SIZE as usize + 1,
13020 line_end_offset: TAB_SIZE as usize * 2,
13021 },
13022 Invisible::Tab {
13023 line_start_offset: TAB_SIZE as usize * 2 + 1,
13024 line_end_offset: TAB_SIZE as usize * 3,
13025 },
13026 Invisible::Whitespace {
13027 line_offset: TAB_SIZE as usize * 3 + 1,
13028 },
13029 Invisible::Whitespace {
13030 line_offset: TAB_SIZE as usize * 3 + 3,
13031 },
13032 ];
13033 assert_eq!(
13034 expected_invisibles.len(),
13035 input_text
13036 .chars()
13037 .filter(|initial_char| initial_char.is_whitespace())
13038 .count(),
13039 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
13040 );
13041
13042 for show_line_numbers in [true, false] {
13043 init_test(cx, |s| {
13044 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
13045 s.defaults.tab_size = NonZeroU32::new(TAB_SIZE);
13046 });
13047
13048 let actual_invisibles = collect_invisibles_from_new_editor(
13049 cx,
13050 EditorMode::full(),
13051 input_text,
13052 px(500.0),
13053 show_line_numbers,
13054 );
13055
13056 assert_eq!(expected_invisibles, actual_invisibles);
13057 }
13058 }
13059
13060 #[gpui::test]
13061 fn test_invisibles_dont_appear_in_certain_editors(cx: &mut TestAppContext) {
13062 init_test(cx, |s| {
13063 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
13064 s.defaults.tab_size = NonZeroU32::new(4);
13065 });
13066
13067 for editor_mode_without_invisibles in [
13068 EditorMode::SingleLine,
13069 EditorMode::AutoHeight {
13070 min_lines: 1,
13071 max_lines: Some(100),
13072 },
13073 ] {
13074 for show_line_numbers in [true, false] {
13075 let invisibles = collect_invisibles_from_new_editor(
13076 cx,
13077 editor_mode_without_invisibles.clone(),
13078 "\t\t\t| | a b",
13079 px(500.0),
13080 show_line_numbers,
13081 );
13082 assert!(
13083 invisibles.is_empty(),
13084 "For editor mode {editor_mode_without_invisibles:?} no invisibles was expected but got {invisibles:?}"
13085 );
13086 }
13087 }
13088 }
13089
13090 #[gpui::test]
13091 fn test_wrapped_invisibles_drawing(cx: &mut TestAppContext) {
13092 let tab_size = 4;
13093 let input_text = "a\tbcd ".repeat(9);
13094 let repeated_invisibles = [
13095 Invisible::Tab {
13096 line_start_offset: 1,
13097 line_end_offset: tab_size as usize,
13098 },
13099 Invisible::Whitespace {
13100 line_offset: tab_size as usize + 3,
13101 },
13102 Invisible::Whitespace {
13103 line_offset: tab_size as usize + 4,
13104 },
13105 Invisible::Whitespace {
13106 line_offset: tab_size as usize + 5,
13107 },
13108 Invisible::Whitespace {
13109 line_offset: tab_size as usize + 6,
13110 },
13111 Invisible::Whitespace {
13112 line_offset: tab_size as usize + 7,
13113 },
13114 ];
13115 let expected_invisibles = std::iter::once(repeated_invisibles)
13116 .cycle()
13117 .take(9)
13118 .flatten()
13119 .collect::<Vec<_>>();
13120 assert_eq!(
13121 expected_invisibles.len(),
13122 input_text
13123 .chars()
13124 .filter(|initial_char| initial_char.is_whitespace())
13125 .count(),
13126 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
13127 );
13128 info!("Expected invisibles: {expected_invisibles:?}");
13129
13130 init_test(cx, |_| {});
13131
13132 // Put the same string with repeating whitespace pattern into editors of various size,
13133 // take deliberately small steps during resizing, to put all whitespace kinds near the wrap point.
13134 let resize_step = 10.0;
13135 let mut editor_width = 200.0;
13136 while editor_width <= 1000.0 {
13137 for show_line_numbers in [true, false] {
13138 update_test_language_settings(cx, &|s| {
13139 s.defaults.tab_size = NonZeroU32::new(tab_size);
13140 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
13141 s.defaults.preferred_line_length = Some(editor_width as u32);
13142 s.defaults.soft_wrap = Some(language_settings::SoftWrap::PreferredLineLength);
13143 });
13144
13145 let actual_invisibles = collect_invisibles_from_new_editor(
13146 cx,
13147 EditorMode::full(),
13148 &input_text,
13149 px(editor_width),
13150 show_line_numbers,
13151 );
13152
13153 // Whatever the editor size is, ensure it has the same invisible kinds in the same order
13154 // (no good guarantees about the offsets: wrapping could trigger padding and its tests should check the offsets).
13155 let mut i = 0;
13156 for (actual_index, actual_invisible) in actual_invisibles.iter().enumerate() {
13157 i = actual_index;
13158 match expected_invisibles.get(i) {
13159 Some(expected_invisible) => match (expected_invisible, actual_invisible) {
13160 (Invisible::Whitespace { .. }, Invisible::Whitespace { .. })
13161 | (Invisible::Tab { .. }, Invisible::Tab { .. }) => {}
13162 _ => {
13163 panic!(
13164 "At index {i}, expected invisible {expected_invisible:?} does not match actual {actual_invisible:?} by kind. Actual invisibles: {actual_invisibles:?}"
13165 )
13166 }
13167 },
13168 None => {
13169 panic!("Unexpected extra invisible {actual_invisible:?} at index {i}")
13170 }
13171 }
13172 }
13173 let missing_expected_invisibles = &expected_invisibles[i + 1..];
13174 assert!(
13175 missing_expected_invisibles.is_empty(),
13176 "Missing expected invisibles after index {i}: {missing_expected_invisibles:?}"
13177 );
13178
13179 editor_width += resize_step;
13180 }
13181 }
13182 }
13183
13184 fn collect_invisibles_from_new_editor(
13185 cx: &mut TestAppContext,
13186 editor_mode: EditorMode,
13187 input_text: &str,
13188 editor_width: Pixels,
13189 show_line_numbers: bool,
13190 ) -> Vec<Invisible> {
13191 info!(
13192 "Creating editor with mode {editor_mode:?}, width {}px and text '{input_text}'",
13193 f32::from(editor_width)
13194 );
13195 let window = cx.add_window(|window, cx| {
13196 let buffer = MultiBuffer::build_simple(input_text, cx);
13197 Editor::new(editor_mode, buffer, None, window, cx)
13198 });
13199 let cx = &mut VisualTestContext::from_window(*window, cx);
13200 let editor = window.root(cx).unwrap();
13201
13202 let style = editor.update(cx, |editor, cx| editor.style(cx).clone());
13203 window
13204 .update(cx, |editor, _, cx| {
13205 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
13206 editor.set_wrap_width(Some(editor_width), cx);
13207 editor.set_show_line_numbers(show_line_numbers, cx);
13208 })
13209 .unwrap();
13210 let (_, state) = cx.draw(
13211 point(px(500.), px(500.)),
13212 size(px(500.), px(500.)),
13213 |_, _| EditorElement::new(&editor, style),
13214 );
13215 state
13216 .position_map
13217 .line_layouts
13218 .iter()
13219 .flat_map(|line_with_invisibles| &line_with_invisibles.invisibles)
13220 .cloned()
13221 .collect()
13222 }
13223
13224 #[gpui::test]
13225 fn test_merge_overlapping_ranges() {
13226 let base_bg = Hsla::white();
13227 let color1 = Hsla {
13228 h: 0.0,
13229 s: 0.5,
13230 l: 0.5,
13231 a: 0.5,
13232 };
13233 let color2 = Hsla {
13234 h: 120.0,
13235 s: 0.5,
13236 l: 0.5,
13237 a: 0.5,
13238 };
13239
13240 let display_point = |col| DisplayPoint::new(DisplayRow(0), col);
13241 let cols = |v: &Vec<(Range<DisplayPoint>, Hsla)>| -> Vec<(u32, u32)> {
13242 v.iter()
13243 .map(|(r, _)| (r.start.column(), r.end.column()))
13244 .collect()
13245 };
13246
13247 // Test overlapping ranges blend colors
13248 let overlapping = vec![
13249 (display_point(5)..display_point(15), color1),
13250 (display_point(10)..display_point(20), color2),
13251 ];
13252 let result = EditorElement::merge_overlapping_ranges(overlapping, base_bg);
13253 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
13254
13255 // Test middle segment should have blended color
13256 let blended = Hsla::blend(Hsla::blend(base_bg, color1), color2);
13257 assert_eq!(result[1].1, blended);
13258
13259 // Test adjacent same-color ranges merge
13260 let adjacent_same = vec![
13261 (display_point(5)..display_point(10), color1),
13262 (display_point(10)..display_point(15), color1),
13263 ];
13264 let result = EditorElement::merge_overlapping_ranges(adjacent_same, base_bg);
13265 assert_eq!(cols(&result), vec![(5, 15)]);
13266
13267 // Test contained range splits
13268 let contained = vec![
13269 (display_point(5)..display_point(20), color1),
13270 (display_point(10)..display_point(15), color2),
13271 ];
13272 let result = EditorElement::merge_overlapping_ranges(contained, base_bg);
13273 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
13274
13275 // Test multiple overlaps split at every boundary
13276 let color3 = Hsla {
13277 h: 240.0,
13278 s: 0.5,
13279 l: 0.5,
13280 a: 0.5,
13281 };
13282 let complex = vec![
13283 (display_point(5)..display_point(12), color1),
13284 (display_point(8)..display_point(16), color2),
13285 (display_point(10)..display_point(14), color3),
13286 ];
13287 let result = EditorElement::merge_overlapping_ranges(complex, base_bg);
13288 assert_eq!(
13289 cols(&result),
13290 vec![(5, 8), (8, 10), (10, 12), (12, 14), (14, 16)]
13291 );
13292 }
13293
13294 #[gpui::test]
13295 fn test_bg_segments_per_row() {
13296 let base_bg = Hsla::white();
13297
13298 // Case A: selection spans three display rows: row 1 [5, end), full row 2, row 3 [0, 7)
13299 {
13300 let selection_color = Hsla {
13301 h: 200.0,
13302 s: 0.5,
13303 l: 0.5,
13304 a: 0.5,
13305 };
13306 let player_color = PlayerColor {
13307 cursor: selection_color,
13308 background: selection_color,
13309 selection: selection_color,
13310 };
13311
13312 let spanning_selection = SelectionLayout {
13313 head: DisplayPoint::new(DisplayRow(3), 7),
13314 cursor_shape: CursorShape::Bar,
13315 is_newest: true,
13316 is_local: true,
13317 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 7),
13318 active_rows: DisplayRow(1)..DisplayRow(4),
13319 user_name: None,
13320 };
13321
13322 let selections = vec![(player_color, vec![spanning_selection])];
13323 let result = EditorElement::bg_segments_per_row(
13324 DisplayRow(0)..DisplayRow(5),
13325 &selections,
13326 &[],
13327 base_bg,
13328 );
13329
13330 assert_eq!(result.len(), 5);
13331 assert!(result[0].is_empty());
13332 assert_eq!(result[1].len(), 1);
13333 assert_eq!(result[2].len(), 1);
13334 assert_eq!(result[3].len(), 1);
13335 assert!(result[4].is_empty());
13336
13337 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
13338 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
13339 assert_eq!(result[1][0].0.end.column(), u32::MAX);
13340 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
13341 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
13342 assert_eq!(result[2][0].0.end.column(), u32::MAX);
13343 assert_eq!(result[3][0].0.start, DisplayPoint::new(DisplayRow(3), 0));
13344 assert_eq!(result[3][0].0.end, DisplayPoint::new(DisplayRow(3), 7));
13345 }
13346
13347 // Case B: selection ends exactly at the start of row 3, excluding row 3
13348 {
13349 let selection_color = Hsla {
13350 h: 120.0,
13351 s: 0.5,
13352 l: 0.5,
13353 a: 0.5,
13354 };
13355 let player_color = PlayerColor {
13356 cursor: selection_color,
13357 background: selection_color,
13358 selection: selection_color,
13359 };
13360
13361 let selection = SelectionLayout {
13362 head: DisplayPoint::new(DisplayRow(2), 0),
13363 cursor_shape: CursorShape::Bar,
13364 is_newest: true,
13365 is_local: true,
13366 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 0),
13367 active_rows: DisplayRow(1)..DisplayRow(3),
13368 user_name: None,
13369 };
13370
13371 let selections = vec![(player_color, vec![selection])];
13372 let result = EditorElement::bg_segments_per_row(
13373 DisplayRow(0)..DisplayRow(4),
13374 &selections,
13375 &[],
13376 base_bg,
13377 );
13378
13379 assert_eq!(result.len(), 4);
13380 assert!(result[0].is_empty());
13381 assert_eq!(result[1].len(), 1);
13382 assert_eq!(result[2].len(), 1);
13383 assert!(result[3].is_empty());
13384
13385 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
13386 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
13387 assert_eq!(result[1][0].0.end.column(), u32::MAX);
13388 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
13389 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
13390 assert_eq!(result[2][0].0.end.column(), u32::MAX);
13391 }
13392 }
13393
13394 #[cfg(test)]
13395 fn generate_test_run(len: usize, color: Hsla) -> TextRun {
13396 TextRun {
13397 len,
13398 color,
13399 ..Default::default()
13400 }
13401 }
13402
13403 #[gpui::test]
13404 fn test_split_runs_by_bg_segments(cx: &mut gpui::TestAppContext) {
13405 init_test(cx, |_| {});
13406
13407 let dx = |start: u32, end: u32| {
13408 DisplayPoint::new(DisplayRow(0), start)..DisplayPoint::new(DisplayRow(0), end)
13409 };
13410
13411 let text_color = Hsla {
13412 h: 210.0,
13413 s: 0.1,
13414 l: 0.4,
13415 a: 1.0,
13416 };
13417 let bg_1 = Hsla {
13418 h: 30.0,
13419 s: 0.6,
13420 l: 0.8,
13421 a: 1.0,
13422 };
13423 let bg_2 = Hsla {
13424 h: 200.0,
13425 s: 0.6,
13426 l: 0.2,
13427 a: 1.0,
13428 };
13429 let min_contrast = 45.0;
13430 let adjusted_bg1 = ensure_minimum_contrast(text_color, bg_1, min_contrast);
13431 let adjusted_bg2 = ensure_minimum_contrast(text_color, bg_2, min_contrast);
13432
13433 // Case A: single run; disjoint segments inside the run
13434 {
13435 let runs = vec![generate_test_run(20, text_color)];
13436 let segs = vec![(dx(5, 10), bg_1), (dx(12, 16), bg_2)];
13437 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
13438 // Expected slices: [0,5) [5,10) [10,12) [12,16) [16,20)
13439 assert_eq!(
13440 out.iter().map(|r| r.len).collect::<Vec<_>>(),
13441 vec![5, 5, 2, 4, 4]
13442 );
13443 assert_eq!(out[0].color, text_color);
13444 assert_eq!(out[1].color, adjusted_bg1);
13445 assert_eq!(out[2].color, text_color);
13446 assert_eq!(out[3].color, adjusted_bg2);
13447 assert_eq!(out[4].color, text_color);
13448 }
13449
13450 // Case B: multiple runs; segment extends to end of line (u32::MAX)
13451 {
13452 let runs = vec![
13453 generate_test_run(8, text_color),
13454 generate_test_run(7, text_color),
13455 ];
13456 let segs = vec![(dx(6, u32::MAX), bg_1)];
13457 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
13458 // Expected slices across runs: [0,6) [6,8) | [0,7)
13459 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![6, 2, 7]);
13460 assert_eq!(out[0].color, text_color);
13461 assert_eq!(out[1].color, adjusted_bg1);
13462 assert_eq!(out[2].color, adjusted_bg1);
13463 }
13464
13465 // Case C: multi-byte characters
13466 {
13467 // for text: "Hello π δΈη!"
13468 let runs = vec![
13469 generate_test_run(5, text_color), // "Hello"
13470 generate_test_run(6, text_color), // " π "
13471 generate_test_run(6, text_color), // "δΈη"
13472 generate_test_run(1, text_color), // "!"
13473 ];
13474 // selecting "π δΈ"
13475 let segs = vec![(dx(6, 14), bg_1)];
13476 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
13477 // "Hello" | " " | "π " | "δΈ" | "η" | "!"
13478 assert_eq!(
13479 out.iter().map(|r| r.len).collect::<Vec<_>>(),
13480 vec![5, 1, 5, 3, 3, 1]
13481 );
13482 assert_eq!(out[0].color, text_color); // "Hello"
13483 assert_eq!(out[2].color, adjusted_bg1); // "π "
13484 assert_eq!(out[3].color, adjusted_bg1); // "δΈ"
13485 assert_eq!(out[4].color, text_color); // "η"
13486 assert_eq!(out[5].color, text_color); // "!"
13487 }
13488
13489 // Case D: split multiple consecutive text runs with segments
13490 {
13491 let segs = vec![
13492 (dx(2, 4), bg_1), // selecting "cd"
13493 (dx(4, 8), bg_2), // selecting "efgh"
13494 (dx(9, 11), bg_1), // selecting "jk"
13495 (dx(12, 16), bg_2), // selecting "mnop"
13496 (dx(18, 19), bg_1), // selecting "s"
13497 ];
13498
13499 // for text: "abcdef"
13500 let runs = vec![
13501 generate_test_run(2, text_color), // ab
13502 generate_test_run(4, text_color), // cdef
13503 ];
13504 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
13505 // new splits "ab", "cd", "ef"
13506 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![2, 2, 2]);
13507 assert_eq!(out[0].color, text_color);
13508 assert_eq!(out[1].color, adjusted_bg1);
13509 assert_eq!(out[2].color, adjusted_bg2);
13510
13511 // for text: "ghijklmn"
13512 let runs = vec![
13513 generate_test_run(3, text_color), // ghi
13514 generate_test_run(2, text_color), // jk
13515 generate_test_run(3, text_color), // lmn
13516 ];
13517 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 6); // 2 + 4 from first run
13518 // new splits "gh", "i", "jk", "l", "mn"
13519 assert_eq!(
13520 out.iter().map(|r| r.len).collect::<Vec<_>>(),
13521 vec![2, 1, 2, 1, 2]
13522 );
13523 assert_eq!(out[0].color, adjusted_bg2);
13524 assert_eq!(out[1].color, text_color);
13525 assert_eq!(out[2].color, adjusted_bg1);
13526 assert_eq!(out[3].color, text_color);
13527 assert_eq!(out[4].color, adjusted_bg2);
13528
13529 // for text: "opqrs"
13530 let runs = vec![
13531 generate_test_run(1, text_color), // o
13532 generate_test_run(4, text_color), // pqrs
13533 ];
13534 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 14); // 6 + 3 + 2 + 3 from first two runs
13535 // new splits "o", "p", "qr", "s"
13536 assert_eq!(
13537 out.iter().map(|r| r.len).collect::<Vec<_>>(),
13538 vec![1, 1, 2, 1]
13539 );
13540 assert_eq!(out[0].color, adjusted_bg2);
13541 assert_eq!(out[1].color, adjusted_bg2);
13542 assert_eq!(out[2].color, text_color);
13543 assert_eq!(out[3].color, adjusted_bg1);
13544 }
13545 }
13546
13547 #[test]
13548 fn test_spacer_pattern_period() {
13549 // line height is smaller than target height, so we just return half the line height
13550 assert_eq!(EditorElement::spacer_pattern_period(10.0, 20.0), 5.0);
13551
13552 // line height is exactly half the target height, perfect match
13553 assert_eq!(EditorElement::spacer_pattern_period(20.0, 10.0), 10.0);
13554
13555 // line height is close to half the target height
13556 assert_eq!(EditorElement::spacer_pattern_period(20.0, 9.0), 10.0);
13557
13558 // line height is close to 1/4 the target height
13559 assert_eq!(EditorElement::spacer_pattern_period(20.0, 4.8), 5.0);
13560 }
13561
13562 #[gpui::test(iterations = 100)]
13563 fn test_random_spacer_pattern_period(mut rng: StdRng) {
13564 let line_height = rng.next_u32() as f32;
13565 let target_height = rng.next_u32() as f32;
13566
13567 let result = EditorElement::spacer_pattern_period(line_height, target_height);
13568
13569 let k = line_height / result;
13570 assert!(k - k.round() < 0.0000001); // approximately integer
13571 assert!((k.round() as u32).is_multiple_of(2));
13572 }
13573
13574 #[test]
13575 fn test_calculate_wrap_width() {
13576 let editor_width = px(800.0);
13577 let em_width = px(8.0);
13578
13579 assert_eq!(
13580 calculate_wrap_width(SoftWrap::GitDiff, editor_width, em_width),
13581 None,
13582 );
13583
13584 assert_eq!(
13585 calculate_wrap_width(SoftWrap::None, editor_width, em_width),
13586 Some(px((MAX_LINE_LEN as f32 / 2.0 * 8.0).ceil())),
13587 );
13588
13589 assert_eq!(
13590 calculate_wrap_width(SoftWrap::EditorWidth, editor_width, em_width),
13591 Some(px(800.0)),
13592 );
13593
13594 assert_eq!(
13595 calculate_wrap_width(SoftWrap::Column(72), editor_width, em_width),
13596 Some(px((72.0 * 8.0_f32).ceil())),
13597 );
13598
13599 assert_eq!(
13600 calculate_wrap_width(SoftWrap::Bounded(72), editor_width, em_width),
13601 Some(px((72.0 * 8.0_f32).ceil())),
13602 );
13603 assert_eq!(
13604 calculate_wrap_width(SoftWrap::Bounded(200), px(400.0), em_width),
13605 Some(px(400.0)),
13606 );
13607 }
13608}