1use crate::{
2 ActiveDiagnostic, BlockId, CURSORS_VISIBLE_FOR, ChunkRendererContext, ChunkReplacement,
3 CodeActionSource, ColumnarMode, ConflictsOurs, ConflictsOursMarker, ConflictsOuter,
4 ConflictsTheirs, ConflictsTheirsMarker, ContextMenuPlacement, CursorShape, CustomBlockId,
5 DisplayDiffHunk, DisplayPoint, DisplayRow, DocumentHighlightRead, DocumentHighlightWrite,
6 EditDisplayMode, EditPrediction, Editor, EditorMode, EditorSettings, EditorSnapshot,
7 EditorStyle, FILE_HEADER_HEIGHT, FocusedBlock, GutterDimensions, HalfPageDown, HalfPageUp,
8 HandleInput, HoveredCursor, InlayHintRefreshReason, JumpData, LineDown, LineHighlight, LineUp,
9 MAX_LINE_LEN, MINIMAP_FONT_SIZE, MULTI_BUFFER_EXCERPT_HEADER_HEIGHT, OpenExcerpts, PageDown,
10 PageUp, PhantomBreakpointIndicator, Point, RowExt, RowRangeExt, SelectPhase,
11 SelectedTextHighlight, Selection, SelectionDragState, SoftWrap, StickyHeaderExcerpt, ToPoint,
12 ToggleFold, ToggleFoldAll,
13 code_context_menus::{CodeActionsMenu, MENU_ASIDE_MAX_WIDTH, MENU_ASIDE_MIN_WIDTH, MENU_GAP},
14 display_map::{
15 Block, BlockContext, BlockStyle, ChunkRendererId, DisplaySnapshot, EditorMargins,
16 HighlightKey, HighlightedChunk, ToDisplayPoint,
17 },
18 editor_settings::{
19 CurrentLineHighlight, DocumentColorsRenderMode, DoubleClickInMultibuffer, Minimap,
20 MinimapThumb, MinimapThumbBorder, ScrollBeyondLastLine, ScrollbarAxes,
21 ScrollbarDiagnostics, ShowMinimap,
22 },
23 git::blame::{BlameRenderer, GitBlame, GlobalBlameRenderer},
24 hover_popover::{
25 self, HOVER_POPOVER_GAP, MIN_POPOVER_CHARACTER_WIDTH, MIN_POPOVER_LINE_HEIGHT,
26 POPOVER_RIGHT_OFFSET, hover_at,
27 },
28 inlay_hint_settings,
29 items::BufferSearchHighlights,
30 mouse_context_menu::{self, MenuPosition},
31 scroll::{
32 ActiveScrollbarState, ScrollOffset, ScrollPixelOffset, ScrollbarThumbState,
33 scroll_amount::ScrollAmount,
34 },
35};
36use buffer_diff::{DiffHunkStatus, DiffHunkStatusKind};
37use collections::{BTreeMap, HashMap};
38use file_icons::FileIcons;
39use git::{
40 Oid,
41 blame::{BlameEntry, ParsedCommitMessage},
42 status::FileStatus,
43};
44use gpui::{
45 Action, Along, AnyElement, App, AppContext, AvailableSpace, Axis as ScrollbarAxis, BorderStyle,
46 Bounds, ClickEvent, ClipboardItem, ContentMask, Context, Corner, Corners, CursorStyle,
47 DispatchPhase, Edges, Element, ElementInputHandler, Entity, Focusable as _, FontId,
48 GlobalElementId, Hitbox, HitboxBehavior, Hsla, InteractiveElement, IntoElement, IsZero,
49 KeybindingKeystroke, Length, Modifiers, ModifiersChangedEvent, MouseButton, MouseClickEvent,
50 MouseDownEvent, MouseMoveEvent, MouseUpEvent, PaintQuad, ParentElement, Pixels, ScrollDelta,
51 ScrollHandle, ScrollWheelEvent, ShapedLine, SharedString, Size, StatefulInteractiveElement,
52 Style, Styled, TextRun, TextStyleRefinement, WeakEntity, Window, anchored, deferred, div, fill,
53 linear_color_stop, linear_gradient, outline, point, px, quad, relative, size, solid_background,
54 transparent_black,
55};
56use itertools::Itertools;
57use language::{IndentGuideSettings, language_settings::ShowWhitespaceSetting};
58use markdown::Markdown;
59use multi_buffer::{
60 Anchor, ExcerptId, ExcerptInfo, ExpandExcerptDirection, ExpandInfo, MultiBufferPoint,
61 MultiBufferRow, RowInfo,
62};
63
64use project::{
65 Entry, ProjectPath,
66 debugger::breakpoint_store::{Breakpoint, BreakpointSessionState},
67 project_settings::ProjectSettings,
68};
69use settings::{
70 GitGutterSetting, GitHunkStyleSetting, IndentGuideBackgroundColoring, IndentGuideColoring,
71 Settings,
72};
73use smallvec::{SmallVec, smallvec};
74use std::{
75 any::TypeId,
76 borrow::Cow,
77 cmp::{self, Ordering},
78 fmt::{self, Write},
79 iter, mem,
80 ops::{Deref, Range},
81 path::{self, Path},
82 rc::Rc,
83 sync::Arc,
84 time::{Duration, Instant},
85};
86use sum_tree::Bias;
87use text::{BufferId, SelectionGoal};
88use theme::{ActiveTheme, Appearance, BufferLineHeight, PlayerColor};
89use ui::utils::ensure_minimum_contrast;
90use ui::{
91 ButtonLike, ContextMenu, Indicator, KeyBinding, POPOVER_Y_PADDING, Tooltip, h_flex, prelude::*,
92 right_click_menu, scrollbars::ShowScrollbar, text_for_keystroke,
93};
94use unicode_segmentation::UnicodeSegmentation;
95use util::post_inc;
96use util::{RangeExt, ResultExt, debug_panic};
97use workspace::{
98 CollaboratorId, ItemSettings, OpenInTerminal, OpenTerminal, RevealInProjectPanel, Workspace,
99 item::{Item, ItemBufferKind},
100 notifications::NotifyTaskExt,
101};
102
103/// Determines what kinds of highlights should be applied to a lines background.
104#[derive(Clone, Copy, Default)]
105struct LineHighlightSpec {
106 selection: bool,
107 breakpoint: bool,
108 _active_stack_frame: bool,
109}
110
111#[derive(Debug)]
112struct SelectionLayout {
113 head: DisplayPoint,
114 cursor_shape: CursorShape,
115 is_newest: bool,
116 is_local: bool,
117 range: Range<DisplayPoint>,
118 active_rows: Range<DisplayRow>,
119 user_name: Option<SharedString>,
120}
121
122struct InlineBlameLayout {
123 element: AnyElement,
124 bounds: Bounds<Pixels>,
125 buffer_id: BufferId,
126 entry: BlameEntry,
127}
128
129impl SelectionLayout {
130 fn new<T: ToPoint + ToDisplayPoint + Clone>(
131 selection: Selection<T>,
132 line_mode: bool,
133 cursor_shape: CursorShape,
134 map: &DisplaySnapshot,
135 is_newest: bool,
136 is_local: bool,
137 user_name: Option<SharedString>,
138 ) -> Self {
139 let point_selection = selection.map(|p| p.to_point(map.buffer_snapshot()));
140 let display_selection = point_selection.map(|p| p.to_display_point(map));
141 let mut range = display_selection.range();
142 let mut head = display_selection.head();
143 let mut active_rows = map.prev_line_boundary(point_selection.start).1.row()
144 ..map.next_line_boundary(point_selection.end).1.row();
145
146 // vim visual line mode
147 if line_mode {
148 let point_range = map.expand_to_line(point_selection.range());
149 range = point_range.start.to_display_point(map)..point_range.end.to_display_point(map);
150 }
151
152 // any vim visual mode (including line mode)
153 if (cursor_shape == CursorShape::Block || cursor_shape == CursorShape::Hollow)
154 && !range.is_empty()
155 && !selection.reversed
156 {
157 if head.column() > 0 {
158 head = map.clip_point(DisplayPoint::new(head.row(), head.column() - 1), Bias::Left)
159 } else if head.row().0 > 0 && head != map.max_point() {
160 head = map.clip_point(
161 DisplayPoint::new(
162 head.row().previous_row(),
163 map.line_len(head.row().previous_row()),
164 ),
165 Bias::Left,
166 );
167 // updating range.end is a no-op unless you're cursor is
168 // on the newline containing a multi-buffer divider
169 // in which case the clip_point may have moved the head up
170 // an additional row.
171 range.end = DisplayPoint::new(head.row().next_row(), 0);
172 active_rows.end = head.row();
173 }
174 }
175
176 Self {
177 head,
178 cursor_shape,
179 is_newest,
180 is_local,
181 range,
182 active_rows,
183 user_name,
184 }
185 }
186}
187
188pub struct EditorElement {
189 editor: Entity<Editor>,
190 style: EditorStyle,
191}
192
193type DisplayRowDelta = u32;
194
195impl EditorElement {
196 pub(crate) const SCROLLBAR_WIDTH: Pixels = px(15.);
197
198 pub fn new(editor: &Entity<Editor>, style: EditorStyle) -> Self {
199 Self {
200 editor: editor.clone(),
201 style,
202 }
203 }
204
205 fn register_actions(&self, window: &mut Window, cx: &mut App) {
206 let editor = &self.editor;
207 editor.update(cx, |editor, cx| {
208 for action in editor.editor_actions.borrow().values() {
209 (action)(editor, window, cx)
210 }
211 });
212
213 crate::rust_analyzer_ext::apply_related_actions(editor, window, cx);
214 crate::clangd_ext::apply_related_actions(editor, window, cx);
215
216 register_action(editor, window, Editor::open_context_menu);
217 register_action(editor, window, Editor::move_left);
218 register_action(editor, window, Editor::move_right);
219 register_action(editor, window, Editor::move_down);
220 register_action(editor, window, Editor::move_down_by_lines);
221 register_action(editor, window, Editor::select_down_by_lines);
222 register_action(editor, window, Editor::move_up);
223 register_action(editor, window, Editor::move_up_by_lines);
224 register_action(editor, window, Editor::select_up_by_lines);
225 register_action(editor, window, Editor::select_page_down);
226 register_action(editor, window, Editor::select_page_up);
227 register_action(editor, window, Editor::cancel);
228 register_action(editor, window, Editor::newline);
229 register_action(editor, window, Editor::newline_above);
230 register_action(editor, window, Editor::newline_below);
231 register_action(editor, window, Editor::backspace);
232 register_action(editor, window, Editor::blame_hover);
233 register_action(editor, window, Editor::delete);
234 register_action(editor, window, Editor::tab);
235 register_action(editor, window, Editor::backtab);
236 register_action(editor, window, Editor::indent);
237 register_action(editor, window, Editor::outdent);
238 register_action(editor, window, Editor::autoindent);
239 register_action(editor, window, Editor::delete_line);
240 register_action(editor, window, Editor::join_lines);
241 register_action(editor, window, Editor::sort_lines_by_length);
242 register_action(editor, window, Editor::sort_lines_case_sensitive);
243 register_action(editor, window, Editor::sort_lines_case_insensitive);
244 register_action(editor, window, Editor::reverse_lines);
245 register_action(editor, window, Editor::shuffle_lines);
246 register_action(editor, window, Editor::convert_indentation_to_spaces);
247 register_action(editor, window, Editor::convert_indentation_to_tabs);
248 register_action(editor, window, Editor::convert_to_upper_case);
249 register_action(editor, window, Editor::convert_to_lower_case);
250 register_action(editor, window, Editor::convert_to_title_case);
251 register_action(editor, window, Editor::convert_to_snake_case);
252 register_action(editor, window, Editor::convert_to_kebab_case);
253 register_action(editor, window, Editor::convert_to_upper_camel_case);
254 register_action(editor, window, Editor::convert_to_lower_camel_case);
255 register_action(editor, window, Editor::convert_to_opposite_case);
256 register_action(editor, window, Editor::convert_to_sentence_case);
257 register_action(editor, window, Editor::toggle_case);
258 register_action(editor, window, Editor::convert_to_rot13);
259 register_action(editor, window, Editor::convert_to_rot47);
260 register_action(editor, window, Editor::delete_to_previous_word_start);
261 register_action(editor, window, Editor::delete_to_previous_subword_start);
262 register_action(editor, window, Editor::delete_to_next_word_end);
263 register_action(editor, window, Editor::delete_to_next_subword_end);
264 register_action(editor, window, Editor::delete_to_beginning_of_line);
265 register_action(editor, window, Editor::delete_to_end_of_line);
266 register_action(editor, window, Editor::cut_to_end_of_line);
267 register_action(editor, window, Editor::duplicate_line_up);
268 register_action(editor, window, Editor::duplicate_line_down);
269 register_action(editor, window, Editor::duplicate_selection);
270 register_action(editor, window, Editor::move_line_up);
271 register_action(editor, window, Editor::move_line_down);
272 register_action(editor, window, Editor::transpose);
273 register_action(editor, window, Editor::rewrap);
274 register_action(editor, window, Editor::cut);
275 register_action(editor, window, Editor::kill_ring_cut);
276 register_action(editor, window, Editor::kill_ring_yank);
277 register_action(editor, window, Editor::copy);
278 register_action(editor, window, Editor::copy_and_trim);
279 register_action(editor, window, Editor::diff_clipboard_with_selection);
280 register_action(editor, window, Editor::paste);
281 register_action(editor, window, Editor::undo);
282 register_action(editor, window, Editor::redo);
283 register_action(editor, window, Editor::move_page_up);
284 register_action(editor, window, Editor::move_page_down);
285 register_action(editor, window, Editor::next_screen);
286 register_action(editor, window, Editor::scroll_cursor_top);
287 register_action(editor, window, Editor::scroll_cursor_center);
288 register_action(editor, window, Editor::scroll_cursor_bottom);
289 register_action(editor, window, Editor::scroll_cursor_center_top_bottom);
290 register_action(editor, window, |editor, _: &LineDown, window, cx| {
291 editor.scroll_screen(&ScrollAmount::Line(1.), window, cx)
292 });
293 register_action(editor, window, |editor, _: &LineUp, window, cx| {
294 editor.scroll_screen(&ScrollAmount::Line(-1.), window, cx)
295 });
296 register_action(editor, window, |editor, _: &HalfPageDown, window, cx| {
297 editor.scroll_screen(&ScrollAmount::Page(0.5), window, cx)
298 });
299 register_action(
300 editor,
301 window,
302 |editor, HandleInput(text): &HandleInput, window, cx| {
303 if text.is_empty() {
304 return;
305 }
306 editor.handle_input(text, window, cx);
307 },
308 );
309 register_action(editor, window, |editor, _: &HalfPageUp, window, cx| {
310 editor.scroll_screen(&ScrollAmount::Page(-0.5), window, cx)
311 });
312 register_action(editor, window, |editor, _: &PageDown, window, cx| {
313 editor.scroll_screen(&ScrollAmount::Page(1.), window, cx)
314 });
315 register_action(editor, window, |editor, _: &PageUp, window, cx| {
316 editor.scroll_screen(&ScrollAmount::Page(-1.), window, cx)
317 });
318 register_action(editor, window, Editor::move_to_previous_word_start);
319 register_action(editor, window, Editor::move_to_previous_subword_start);
320 register_action(editor, window, Editor::move_to_next_word_end);
321 register_action(editor, window, Editor::move_to_next_subword_end);
322 register_action(editor, window, Editor::move_to_beginning_of_line);
323 register_action(editor, window, Editor::move_to_end_of_line);
324 register_action(editor, window, Editor::move_to_start_of_paragraph);
325 register_action(editor, window, Editor::move_to_end_of_paragraph);
326 register_action(editor, window, Editor::move_to_beginning);
327 register_action(editor, window, Editor::move_to_end);
328 register_action(editor, window, Editor::move_to_start_of_excerpt);
329 register_action(editor, window, Editor::move_to_start_of_next_excerpt);
330 register_action(editor, window, Editor::move_to_end_of_excerpt);
331 register_action(editor, window, Editor::move_to_end_of_previous_excerpt);
332 register_action(editor, window, Editor::select_up);
333 register_action(editor, window, Editor::select_down);
334 register_action(editor, window, Editor::select_left);
335 register_action(editor, window, Editor::select_right);
336 register_action(editor, window, Editor::select_to_previous_word_start);
337 register_action(editor, window, Editor::select_to_previous_subword_start);
338 register_action(editor, window, Editor::select_to_next_word_end);
339 register_action(editor, window, Editor::select_to_next_subword_end);
340 register_action(editor, window, Editor::select_to_beginning_of_line);
341 register_action(editor, window, Editor::select_to_end_of_line);
342 register_action(editor, window, Editor::select_to_start_of_paragraph);
343 register_action(editor, window, Editor::select_to_end_of_paragraph);
344 register_action(editor, window, Editor::select_to_start_of_excerpt);
345 register_action(editor, window, Editor::select_to_start_of_next_excerpt);
346 register_action(editor, window, Editor::select_to_end_of_excerpt);
347 register_action(editor, window, Editor::select_to_end_of_previous_excerpt);
348 register_action(editor, window, Editor::select_to_beginning);
349 register_action(editor, window, Editor::select_to_end);
350 register_action(editor, window, Editor::select_all);
351 register_action(editor, window, |editor, action, window, cx| {
352 editor.select_all_matches(action, window, cx).log_err();
353 });
354 register_action(editor, window, Editor::select_line);
355 register_action(editor, window, Editor::split_selection_into_lines);
356 register_action(editor, window, Editor::add_selection_above);
357 register_action(editor, window, Editor::add_selection_below);
358 register_action(editor, window, |editor, action, window, cx| {
359 editor.select_next(action, window, cx).log_err();
360 });
361 register_action(editor, window, |editor, action, window, cx| {
362 editor.select_previous(action, window, cx).log_err();
363 });
364 register_action(editor, window, |editor, action, window, cx| {
365 editor.find_next_match(action, window, cx).log_err();
366 });
367 register_action(editor, window, |editor, action, window, cx| {
368 editor.find_previous_match(action, window, cx).log_err();
369 });
370 register_action(editor, window, Editor::toggle_comments);
371 register_action(editor, window, Editor::select_larger_syntax_node);
372 register_action(editor, window, Editor::select_smaller_syntax_node);
373 register_action(editor, window, Editor::select_next_syntax_node);
374 register_action(editor, window, Editor::select_prev_syntax_node);
375 register_action(editor, window, Editor::unwrap_syntax_node);
376 register_action(editor, window, Editor::select_enclosing_symbol);
377 register_action(editor, window, Editor::move_to_enclosing_bracket);
378 register_action(editor, window, Editor::undo_selection);
379 register_action(editor, window, Editor::redo_selection);
380 if editor.read(cx).buffer_kind(cx) == ItemBufferKind::Multibuffer {
381 register_action(editor, window, Editor::expand_excerpts);
382 register_action(editor, window, Editor::expand_excerpts_up);
383 register_action(editor, window, Editor::expand_excerpts_down);
384 }
385 register_action(editor, window, Editor::go_to_diagnostic);
386 register_action(editor, window, Editor::go_to_prev_diagnostic);
387 register_action(editor, window, Editor::go_to_next_hunk);
388 register_action(editor, window, Editor::go_to_prev_hunk);
389 register_action(editor, window, Editor::go_to_next_document_highlight);
390 register_action(editor, window, Editor::go_to_prev_document_highlight);
391 register_action(editor, window, |editor, action, window, cx| {
392 editor
393 .go_to_definition(action, window, cx)
394 .detach_and_log_err(cx);
395 });
396 register_action(editor, window, |editor, action, window, cx| {
397 editor
398 .go_to_definition_split(action, window, cx)
399 .detach_and_log_err(cx);
400 });
401 register_action(editor, window, |editor, action, window, cx| {
402 editor
403 .go_to_declaration(action, window, cx)
404 .detach_and_log_err(cx);
405 });
406 register_action(editor, window, |editor, action, window, cx| {
407 editor
408 .go_to_declaration_split(action, window, cx)
409 .detach_and_log_err(cx);
410 });
411 register_action(editor, window, |editor, action, window, cx| {
412 editor
413 .go_to_implementation(action, window, cx)
414 .detach_and_log_err(cx);
415 });
416 register_action(editor, window, |editor, action, window, cx| {
417 editor
418 .go_to_implementation_split(action, window, cx)
419 .detach_and_log_err(cx);
420 });
421 register_action(editor, window, |editor, action, window, cx| {
422 editor
423 .go_to_type_definition(action, window, cx)
424 .detach_and_log_err(cx);
425 });
426 register_action(editor, window, |editor, action, window, cx| {
427 editor
428 .go_to_type_definition_split(action, window, cx)
429 .detach_and_log_err(cx);
430 });
431 register_action(editor, window, Editor::open_url);
432 register_action(editor, window, Editor::open_selected_filename);
433 register_action(editor, window, Editor::fold);
434 register_action(editor, window, Editor::fold_at_level);
435 register_action(editor, window, Editor::fold_at_level_1);
436 register_action(editor, window, Editor::fold_at_level_2);
437 register_action(editor, window, Editor::fold_at_level_3);
438 register_action(editor, window, Editor::fold_at_level_4);
439 register_action(editor, window, Editor::fold_at_level_5);
440 register_action(editor, window, Editor::fold_at_level_6);
441 register_action(editor, window, Editor::fold_at_level_7);
442 register_action(editor, window, Editor::fold_at_level_8);
443 register_action(editor, window, Editor::fold_at_level_9);
444 register_action(editor, window, Editor::fold_all);
445 register_action(editor, window, Editor::fold_function_bodies);
446 register_action(editor, window, Editor::fold_recursive);
447 register_action(editor, window, Editor::toggle_fold);
448 register_action(editor, window, Editor::toggle_fold_recursive);
449 register_action(editor, window, Editor::toggle_fold_all);
450 register_action(editor, window, Editor::unfold_lines);
451 register_action(editor, window, Editor::unfold_recursive);
452 register_action(editor, window, Editor::unfold_all);
453 register_action(editor, window, Editor::fold_selected_ranges);
454 register_action(editor, window, Editor::set_mark);
455 register_action(editor, window, Editor::swap_selection_ends);
456 register_action(editor, window, Editor::show_completions);
457 register_action(editor, window, Editor::show_word_completions);
458 register_action(editor, window, Editor::toggle_code_actions);
459 register_action(editor, window, Editor::open_excerpts);
460 register_action(editor, window, Editor::open_excerpts_in_split);
461 register_action(editor, window, Editor::open_proposed_changes_editor);
462 register_action(editor, window, Editor::toggle_soft_wrap);
463 register_action(editor, window, Editor::toggle_tab_bar);
464 register_action(editor, window, Editor::toggle_line_numbers);
465 register_action(editor, window, Editor::toggle_relative_line_numbers);
466 register_action(editor, window, Editor::toggle_indent_guides);
467 register_action(editor, window, Editor::toggle_inlay_hints);
468 register_action(editor, window, Editor::toggle_edit_predictions);
469 if editor.read(cx).diagnostics_enabled() {
470 register_action(editor, window, Editor::toggle_diagnostics);
471 }
472 if editor.read(cx).inline_diagnostics_enabled() {
473 register_action(editor, window, Editor::toggle_inline_diagnostics);
474 }
475 if editor.read(cx).supports_minimap(cx) {
476 register_action(editor, window, Editor::toggle_minimap);
477 }
478 register_action(editor, window, hover_popover::hover);
479 register_action(editor, window, Editor::reveal_in_finder);
480 register_action(editor, window, Editor::copy_path);
481 register_action(editor, window, Editor::copy_relative_path);
482 register_action(editor, window, Editor::copy_file_name);
483 register_action(editor, window, Editor::copy_file_name_without_extension);
484 register_action(editor, window, Editor::copy_highlight_json);
485 register_action(editor, window, Editor::copy_permalink_to_line);
486 register_action(editor, window, Editor::open_permalink_to_line);
487 register_action(editor, window, Editor::copy_file_location);
488 register_action(editor, window, Editor::toggle_git_blame);
489 register_action(editor, window, Editor::toggle_git_blame_inline);
490 register_action(editor, window, Editor::open_git_blame_commit);
491 register_action(editor, window, Editor::toggle_selected_diff_hunks);
492 register_action(editor, window, Editor::toggle_staged_selected_diff_hunks);
493 register_action(editor, window, Editor::stage_and_next);
494 register_action(editor, window, Editor::unstage_and_next);
495 register_action(editor, window, Editor::expand_all_diff_hunks);
496 register_action(editor, window, Editor::collapse_all_diff_hunks);
497 register_action(editor, window, Editor::go_to_previous_change);
498 register_action(editor, window, Editor::go_to_next_change);
499
500 register_action(editor, window, |editor, action, window, cx| {
501 if let Some(task) = editor.format(action, window, cx) {
502 task.detach_and_notify_err(window, cx);
503 } else {
504 cx.propagate();
505 }
506 });
507 register_action(editor, window, |editor, action, window, cx| {
508 if let Some(task) = editor.format_selections(action, window, cx) {
509 task.detach_and_notify_err(window, cx);
510 } else {
511 cx.propagate();
512 }
513 });
514 register_action(editor, window, |editor, action, window, cx| {
515 if let Some(task) = editor.organize_imports(action, window, cx) {
516 task.detach_and_notify_err(window, cx);
517 } else {
518 cx.propagate();
519 }
520 });
521 register_action(editor, window, Editor::restart_language_server);
522 register_action(editor, window, Editor::stop_language_server);
523 register_action(editor, window, Editor::show_character_palette);
524 register_action(editor, window, |editor, action, window, cx| {
525 if let Some(task) = editor.confirm_completion(action, window, cx) {
526 task.detach_and_notify_err(window, cx);
527 } else {
528 cx.propagate();
529 }
530 });
531 register_action(editor, window, |editor, action, window, cx| {
532 if let Some(task) = editor.confirm_completion_replace(action, window, cx) {
533 task.detach_and_notify_err(window, cx);
534 } else {
535 cx.propagate();
536 }
537 });
538 register_action(editor, window, |editor, action, window, cx| {
539 if let Some(task) = editor.confirm_completion_insert(action, window, cx) {
540 task.detach_and_notify_err(window, cx);
541 } else {
542 cx.propagate();
543 }
544 });
545 register_action(editor, window, |editor, action, window, cx| {
546 if let Some(task) = editor.compose_completion(action, window, cx) {
547 task.detach_and_notify_err(window, cx);
548 } else {
549 cx.propagate();
550 }
551 });
552 register_action(editor, window, |editor, action, window, cx| {
553 if let Some(task) = editor.confirm_code_action(action, window, cx) {
554 task.detach_and_notify_err(window, cx);
555 } else {
556 cx.propagate();
557 }
558 });
559 register_action(editor, window, |editor, action, window, cx| {
560 if let Some(task) = editor.rename(action, window, cx) {
561 task.detach_and_notify_err(window, cx);
562 } else {
563 cx.propagate();
564 }
565 });
566 register_action(editor, window, |editor, action, window, cx| {
567 if let Some(task) = editor.confirm_rename(action, window, cx) {
568 task.detach_and_notify_err(window, cx);
569 } else {
570 cx.propagate();
571 }
572 });
573 register_action(editor, window, |editor, action, window, cx| {
574 if let Some(task) = editor.find_all_references(action, window, cx) {
575 task.detach_and_log_err(cx);
576 } else {
577 cx.propagate();
578 }
579 });
580 register_action(editor, window, Editor::show_signature_help);
581 register_action(editor, window, Editor::signature_help_prev);
582 register_action(editor, window, Editor::signature_help_next);
583 register_action(editor, window, Editor::next_edit_prediction);
584 register_action(editor, window, Editor::previous_edit_prediction);
585 register_action(editor, window, Editor::show_edit_prediction);
586 register_action(editor, window, Editor::context_menu_first);
587 register_action(editor, window, Editor::context_menu_prev);
588 register_action(editor, window, Editor::context_menu_next);
589 register_action(editor, window, Editor::context_menu_last);
590 register_action(editor, window, Editor::display_cursor_names);
591 register_action(editor, window, Editor::unique_lines_case_insensitive);
592 register_action(editor, window, Editor::unique_lines_case_sensitive);
593 register_action(editor, window, Editor::accept_partial_edit_prediction);
594 register_action(editor, window, Editor::accept_edit_prediction);
595 register_action(editor, window, Editor::restore_file);
596 register_action(editor, window, Editor::git_restore);
597 register_action(editor, window, Editor::apply_all_diff_hunks);
598 register_action(editor, window, Editor::apply_selected_diff_hunks);
599 register_action(editor, window, Editor::open_active_item_in_terminal);
600 register_action(editor, window, Editor::reload_file);
601 register_action(editor, window, Editor::spawn_nearest_task);
602 register_action(editor, window, Editor::insert_uuid_v4);
603 register_action(editor, window, Editor::insert_uuid_v7);
604 register_action(editor, window, Editor::open_selections_in_multibuffer);
605 register_action(editor, window, Editor::toggle_breakpoint);
606 register_action(editor, window, Editor::edit_log_breakpoint);
607 register_action(editor, window, Editor::enable_breakpoint);
608 register_action(editor, window, Editor::disable_breakpoint);
609 if editor.read(cx).enable_wrap_selections_in_tag(cx) {
610 register_action(editor, window, Editor::wrap_selections_in_tag);
611 }
612 }
613
614 fn register_key_listeners(&self, window: &mut Window, _: &mut App, layout: &EditorLayout) {
615 let position_map = layout.position_map.clone();
616 window.on_key_event({
617 let editor = self.editor.clone();
618 move |event: &ModifiersChangedEvent, phase, window, cx| {
619 if phase != DispatchPhase::Bubble {
620 return;
621 }
622 editor.update(cx, |editor, cx| {
623 let inlay_hint_settings = inlay_hint_settings(
624 editor.selections.newest_anchor().head(),
625 &editor.buffer.read(cx).snapshot(cx),
626 cx,
627 );
628
629 if let Some(inlay_modifiers) = inlay_hint_settings
630 .toggle_on_modifiers_press
631 .as_ref()
632 .filter(|modifiers| modifiers.modified())
633 {
634 editor.refresh_inlay_hints(
635 InlayHintRefreshReason::ModifiersChanged(
636 inlay_modifiers == &event.modifiers,
637 ),
638 cx,
639 );
640 }
641
642 if editor.hover_state.focused(window, cx) {
643 return;
644 }
645
646 editor.handle_modifiers_changed(event.modifiers, &position_map, window, cx);
647 })
648 }
649 });
650 }
651
652 fn mouse_left_down(
653 editor: &mut Editor,
654 event: &MouseDownEvent,
655 hovered_hunk: Option<Range<Anchor>>,
656 position_map: &PositionMap,
657 line_numbers: &HashMap<MultiBufferRow, LineNumberLayout>,
658 window: &mut Window,
659 cx: &mut Context<Editor>,
660 ) {
661 if window.default_prevented() {
662 return;
663 }
664
665 let text_hitbox = &position_map.text_hitbox;
666 let gutter_hitbox = &position_map.gutter_hitbox;
667 let point_for_position = position_map.point_for_position(event.position);
668 let mut click_count = event.click_count;
669 let mut modifiers = event.modifiers;
670
671 if let Some(hovered_hunk) = hovered_hunk {
672 editor.toggle_single_diff_hunk(hovered_hunk, cx);
673 cx.notify();
674 return;
675 } else if gutter_hitbox.is_hovered(window) {
676 click_count = 3; // Simulate triple-click when clicking the gutter to select lines
677 } else if !text_hitbox.is_hovered(window) {
678 return;
679 }
680
681 if EditorSettings::get_global(cx)
682 .drag_and_drop_selection
683 .enabled
684 && click_count == 1
685 && !modifiers.shift
686 {
687 let newest_anchor = editor.selections.newest_anchor();
688 let snapshot = editor.snapshot(window, cx);
689 let selection = newest_anchor.map(|anchor| anchor.to_display_point(&snapshot));
690 if point_for_position.intersects_selection(&selection) {
691 editor.selection_drag_state = SelectionDragState::ReadyToDrag {
692 selection: newest_anchor.clone(),
693 click_position: event.position,
694 mouse_down_time: Instant::now(),
695 };
696 cx.stop_propagation();
697 return;
698 }
699 }
700
701 let is_singleton = editor.buffer().read(cx).is_singleton();
702
703 if click_count == 2 && !is_singleton {
704 match EditorSettings::get_global(cx).double_click_in_multibuffer {
705 DoubleClickInMultibuffer::Select => {
706 // do nothing special on double click, all selection logic is below
707 }
708 DoubleClickInMultibuffer::Open => {
709 if modifiers.alt {
710 // if double click is made with alt, pretend it's a regular double click without opening and alt,
711 // and run the selection logic.
712 modifiers.alt = false;
713 } else {
714 let scroll_position_row = position_map.scroll_position.y;
715 let display_row = (((event.position - gutter_hitbox.bounds.origin).y
716 / position_map.line_height)
717 as f64
718 + position_map.scroll_position.y)
719 as u32;
720 let multi_buffer_row = position_map
721 .snapshot
722 .display_point_to_point(
723 DisplayPoint::new(DisplayRow(display_row), 0),
724 Bias::Right,
725 )
726 .row;
727 let line_offset_from_top = display_row - scroll_position_row as u32;
728 // if double click is made without alt, open the corresponding excerp
729 editor.open_excerpts_common(
730 Some(JumpData::MultiBufferRow {
731 row: MultiBufferRow(multi_buffer_row),
732 line_offset_from_top,
733 }),
734 false,
735 window,
736 cx,
737 );
738 return;
739 }
740 }
741 }
742 }
743
744 if !is_singleton {
745 let display_row = (ScrollPixelOffset::from(
746 (event.position - gutter_hitbox.bounds.origin).y / position_map.line_height,
747 ) + position_map.scroll_position.y) as u32;
748 let multi_buffer_row = position_map
749 .snapshot
750 .display_point_to_point(DisplayPoint::new(DisplayRow(display_row), 0), Bias::Right)
751 .row;
752 if line_numbers
753 .get(&MultiBufferRow(multi_buffer_row))
754 .and_then(|line_number| line_number.hitbox.as_ref())
755 .is_some_and(|hitbox| hitbox.contains(&event.position))
756 {
757 let line_offset_from_top = display_row - position_map.scroll_position.y as u32;
758
759 editor.open_excerpts_common(
760 Some(JumpData::MultiBufferRow {
761 row: MultiBufferRow(multi_buffer_row),
762 line_offset_from_top,
763 }),
764 modifiers.alt,
765 window,
766 cx,
767 );
768 cx.stop_propagation();
769 return;
770 }
771 }
772
773 let position = point_for_position.previous_valid;
774 if let Some(mode) = Editor::columnar_selection_mode(&modifiers, cx) {
775 editor.select(
776 SelectPhase::BeginColumnar {
777 position,
778 reset: match mode {
779 ColumnarMode::FromMouse => true,
780 ColumnarMode::FromSelection => false,
781 },
782 mode,
783 goal_column: point_for_position.exact_unclipped.column(),
784 },
785 window,
786 cx,
787 );
788 } else if modifiers.shift && !modifiers.control && !modifiers.alt && !modifiers.secondary()
789 {
790 editor.select(
791 SelectPhase::Extend {
792 position,
793 click_count,
794 },
795 window,
796 cx,
797 );
798 } else {
799 editor.select(
800 SelectPhase::Begin {
801 position,
802 add: Editor::multi_cursor_modifier(true, &modifiers, cx),
803 click_count,
804 },
805 window,
806 cx,
807 );
808 }
809 cx.stop_propagation();
810 }
811
812 fn mouse_right_down(
813 editor: &mut Editor,
814 event: &MouseDownEvent,
815 position_map: &PositionMap,
816 window: &mut Window,
817 cx: &mut Context<Editor>,
818 ) {
819 if position_map.gutter_hitbox.is_hovered(window) {
820 let gutter_right_padding = editor.gutter_dimensions.right_padding;
821 let hitbox = &position_map.gutter_hitbox;
822
823 if event.position.x <= hitbox.bounds.right() - gutter_right_padding {
824 let point_for_position = position_map.point_for_position(event.position);
825 editor.set_breakpoint_context_menu(
826 point_for_position.previous_valid.row(),
827 None,
828 event.position,
829 window,
830 cx,
831 );
832 }
833 return;
834 }
835
836 if !position_map.text_hitbox.is_hovered(window) {
837 return;
838 }
839
840 let point_for_position = position_map.point_for_position(event.position);
841 mouse_context_menu::deploy_context_menu(
842 editor,
843 Some(event.position),
844 point_for_position.previous_valid,
845 window,
846 cx,
847 );
848 cx.stop_propagation();
849 }
850
851 fn mouse_middle_down(
852 editor: &mut Editor,
853 event: &MouseDownEvent,
854 position_map: &PositionMap,
855 window: &mut Window,
856 cx: &mut Context<Editor>,
857 ) {
858 if !position_map.text_hitbox.is_hovered(window) || window.default_prevented() {
859 return;
860 }
861
862 let point_for_position = position_map.point_for_position(event.position);
863 let position = point_for_position.previous_valid;
864
865 editor.select(
866 SelectPhase::BeginColumnar {
867 position,
868 reset: true,
869 mode: ColumnarMode::FromMouse,
870 goal_column: point_for_position.exact_unclipped.column(),
871 },
872 window,
873 cx,
874 );
875 }
876
877 fn mouse_up(
878 editor: &mut Editor,
879 event: &MouseUpEvent,
880 position_map: &PositionMap,
881 window: &mut Window,
882 cx: &mut Context<Editor>,
883 ) {
884 let text_hitbox = &position_map.text_hitbox;
885 let end_selection = editor.has_pending_selection();
886 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
887 let point_for_position = position_map.point_for_position(event.position);
888
889 match editor.selection_drag_state {
890 SelectionDragState::ReadyToDrag {
891 selection: _,
892 ref click_position,
893 mouse_down_time: _,
894 } => {
895 if event.position == *click_position {
896 editor.select(
897 SelectPhase::Begin {
898 position: point_for_position.previous_valid,
899 add: false,
900 click_count: 1, // ready to drag state only occurs on click count 1
901 },
902 window,
903 cx,
904 );
905 editor.selection_drag_state = SelectionDragState::None;
906 cx.stop_propagation();
907 return;
908 } else {
909 debug_panic!("drag state can never be in ready state after drag")
910 }
911 }
912 SelectionDragState::Dragging { ref selection, .. } => {
913 let snapshot = editor.snapshot(window, cx);
914 let selection_display = selection.map(|anchor| anchor.to_display_point(&snapshot));
915 if !point_for_position.intersects_selection(&selection_display)
916 && text_hitbox.is_hovered(window)
917 {
918 let is_cut = !(cfg!(target_os = "macos") && event.modifiers.alt
919 || cfg!(not(target_os = "macos")) && event.modifiers.control);
920 editor.move_selection_on_drop(
921 &selection.clone(),
922 point_for_position.previous_valid,
923 is_cut,
924 window,
925 cx,
926 );
927 }
928 editor.selection_drag_state = SelectionDragState::None;
929 cx.stop_propagation();
930 cx.notify();
931 return;
932 }
933 _ => {}
934 }
935
936 if end_selection {
937 editor.select(SelectPhase::End, window, cx);
938 }
939
940 if end_selection && pending_nonempty_selections {
941 cx.stop_propagation();
942 } else if cfg!(any(target_os = "linux", target_os = "freebsd"))
943 && event.button == MouseButton::Middle
944 {
945 #[allow(
946 clippy::collapsible_if,
947 clippy::needless_return,
948 reason = "The cfg-block below makes this a false positive"
949 )]
950 if !text_hitbox.is_hovered(window) || editor.read_only(cx) {
951 return;
952 }
953
954 #[cfg(any(target_os = "linux", target_os = "freebsd"))]
955 if EditorSettings::get_global(cx).middle_click_paste {
956 if let Some(text) = cx.read_from_primary().and_then(|item| item.text()) {
957 let point_for_position = position_map.point_for_position(event.position);
958 let position = point_for_position.previous_valid;
959
960 editor.select(
961 SelectPhase::Begin {
962 position,
963 add: false,
964 click_count: 1,
965 },
966 window,
967 cx,
968 );
969 editor.insert(&text, window, cx);
970 }
971 cx.stop_propagation()
972 }
973 }
974 }
975
976 fn click(
977 editor: &mut Editor,
978 event: &ClickEvent,
979 position_map: &PositionMap,
980 window: &mut Window,
981 cx: &mut Context<Editor>,
982 ) {
983 let text_hitbox = &position_map.text_hitbox;
984 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
985
986 let hovered_link_modifier = Editor::multi_cursor_modifier(false, &event.modifiers(), cx);
987
988 if let Some(mouse_position) = event.mouse_position()
989 && !pending_nonempty_selections
990 && hovered_link_modifier
991 && text_hitbox.is_hovered(window)
992 {
993 let point = position_map.point_for_position(mouse_position);
994 editor.handle_click_hovered_link(point, event.modifiers(), window, cx);
995 editor.selection_drag_state = SelectionDragState::None;
996
997 cx.stop_propagation();
998 }
999 }
1000
1001 fn mouse_dragged(
1002 editor: &mut Editor,
1003 event: &MouseMoveEvent,
1004 position_map: &PositionMap,
1005 window: &mut Window,
1006 cx: &mut Context<Editor>,
1007 ) {
1008 if !editor.has_pending_selection()
1009 && matches!(editor.selection_drag_state, SelectionDragState::None)
1010 {
1011 return;
1012 }
1013
1014 let point_for_position = position_map.point_for_position(event.position);
1015 let text_hitbox = &position_map.text_hitbox;
1016
1017 let scroll_delta = {
1018 let text_bounds = text_hitbox.bounds;
1019 let mut scroll_delta = gpui::Point::<f32>::default();
1020 let vertical_margin = position_map.line_height.min(text_bounds.size.height / 3.0);
1021 let top = text_bounds.origin.y + vertical_margin;
1022 let bottom = text_bounds.bottom_left().y - vertical_margin;
1023 if event.position.y < top {
1024 scroll_delta.y = -scale_vertical_mouse_autoscroll_delta(top - event.position.y);
1025 }
1026 if event.position.y > bottom {
1027 scroll_delta.y = scale_vertical_mouse_autoscroll_delta(event.position.y - bottom);
1028 }
1029
1030 // We need horizontal width of text
1031 let style = editor.style.clone().unwrap_or_default();
1032 let font_id = window.text_system().resolve_font(&style.text.font());
1033 let font_size = style.text.font_size.to_pixels(window.rem_size());
1034 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
1035
1036 let scroll_margin_x = EditorSettings::get_global(cx).horizontal_scroll_margin;
1037
1038 let scroll_space: Pixels = scroll_margin_x * em_width;
1039
1040 let left = text_bounds.origin.x + scroll_space;
1041 let right = text_bounds.top_right().x - scroll_space;
1042
1043 if event.position.x < left {
1044 scroll_delta.x = -scale_horizontal_mouse_autoscroll_delta(left - event.position.x);
1045 }
1046 if event.position.x > right {
1047 scroll_delta.x = scale_horizontal_mouse_autoscroll_delta(event.position.x - right);
1048 }
1049 scroll_delta
1050 };
1051
1052 if !editor.has_pending_selection() {
1053 let drop_anchor = position_map
1054 .snapshot
1055 .display_point_to_anchor(point_for_position.previous_valid, Bias::Left);
1056 match editor.selection_drag_state {
1057 SelectionDragState::Dragging {
1058 ref mut drop_cursor,
1059 ref mut hide_drop_cursor,
1060 ..
1061 } => {
1062 drop_cursor.start = drop_anchor;
1063 drop_cursor.end = drop_anchor;
1064 *hide_drop_cursor = !text_hitbox.is_hovered(window);
1065 editor.apply_scroll_delta(scroll_delta, window, cx);
1066 cx.notify();
1067 }
1068 SelectionDragState::ReadyToDrag {
1069 ref selection,
1070 ref click_position,
1071 ref mouse_down_time,
1072 } => {
1073 let drag_and_drop_delay = Duration::from_millis(
1074 EditorSettings::get_global(cx)
1075 .drag_and_drop_selection
1076 .delay
1077 .0,
1078 );
1079 if mouse_down_time.elapsed() >= drag_and_drop_delay {
1080 let drop_cursor = Selection {
1081 id: post_inc(&mut editor.selections.next_selection_id()),
1082 start: drop_anchor,
1083 end: drop_anchor,
1084 reversed: false,
1085 goal: SelectionGoal::None,
1086 };
1087 editor.selection_drag_state = SelectionDragState::Dragging {
1088 selection: selection.clone(),
1089 drop_cursor,
1090 hide_drop_cursor: false,
1091 };
1092 editor.apply_scroll_delta(scroll_delta, window, cx);
1093 cx.notify();
1094 } else {
1095 let click_point = position_map.point_for_position(*click_position);
1096 editor.selection_drag_state = SelectionDragState::None;
1097 editor.select(
1098 SelectPhase::Begin {
1099 position: click_point.previous_valid,
1100 add: false,
1101 click_count: 1,
1102 },
1103 window,
1104 cx,
1105 );
1106 editor.select(
1107 SelectPhase::Update {
1108 position: point_for_position.previous_valid,
1109 goal_column: point_for_position.exact_unclipped.column(),
1110 scroll_delta,
1111 },
1112 window,
1113 cx,
1114 );
1115 }
1116 }
1117 _ => {}
1118 }
1119 } else {
1120 editor.select(
1121 SelectPhase::Update {
1122 position: point_for_position.previous_valid,
1123 goal_column: point_for_position.exact_unclipped.column(),
1124 scroll_delta,
1125 },
1126 window,
1127 cx,
1128 );
1129 }
1130 }
1131
1132 fn mouse_moved(
1133 editor: &mut Editor,
1134 event: &MouseMoveEvent,
1135 position_map: &PositionMap,
1136 window: &mut Window,
1137 cx: &mut Context<Editor>,
1138 ) {
1139 let text_hitbox = &position_map.text_hitbox;
1140 let gutter_hitbox = &position_map.gutter_hitbox;
1141 let modifiers = event.modifiers;
1142 let text_hovered = text_hitbox.is_hovered(window);
1143 let gutter_hovered = gutter_hitbox.is_hovered(window);
1144 editor.set_gutter_hovered(gutter_hovered, cx);
1145 editor.show_mouse_cursor(cx);
1146
1147 let point_for_position = position_map.point_for_position(event.position);
1148 let valid_point = point_for_position.previous_valid;
1149
1150 let hovered_diff_control = position_map
1151 .diff_hunk_control_bounds
1152 .iter()
1153 .find(|(_, bounds)| bounds.contains(&event.position))
1154 .map(|(row, _)| *row);
1155
1156 let hovered_diff_hunk_row = if let Some(control_row) = hovered_diff_control {
1157 Some(control_row)
1158 } else if text_hovered {
1159 let current_row = valid_point.row();
1160 position_map.display_hunks.iter().find_map(|(hunk, _)| {
1161 if let DisplayDiffHunk::Unfolded {
1162 display_row_range, ..
1163 } = hunk
1164 {
1165 if display_row_range.contains(¤t_row) {
1166 Some(display_row_range.start)
1167 } else {
1168 None
1169 }
1170 } else {
1171 None
1172 }
1173 })
1174 } else {
1175 None
1176 };
1177
1178 if hovered_diff_hunk_row != editor.hovered_diff_hunk_row {
1179 editor.hovered_diff_hunk_row = hovered_diff_hunk_row;
1180 cx.notify();
1181 }
1182
1183 if let Some((bounds, buffer_id, blame_entry)) = &position_map.inline_blame_bounds {
1184 let mouse_over_inline_blame = bounds.contains(&event.position);
1185 let mouse_over_popover = editor
1186 .inline_blame_popover
1187 .as_ref()
1188 .and_then(|state| state.popover_bounds)
1189 .is_some_and(|bounds| bounds.contains(&event.position));
1190 let keyboard_grace = editor
1191 .inline_blame_popover
1192 .as_ref()
1193 .is_some_and(|state| state.keyboard_grace);
1194
1195 if mouse_over_inline_blame || mouse_over_popover {
1196 editor.show_blame_popover(*buffer_id, blame_entry, event.position, false, cx);
1197 } else if !keyboard_grace {
1198 editor.hide_blame_popover(cx);
1199 }
1200 } else {
1201 editor.hide_blame_popover(cx);
1202 }
1203
1204 let breakpoint_indicator = if gutter_hovered {
1205 let buffer_anchor = position_map
1206 .snapshot
1207 .display_point_to_anchor(valid_point, Bias::Left);
1208
1209 if let Some((buffer_snapshot, file)) = position_map
1210 .snapshot
1211 .buffer_snapshot()
1212 .buffer_for_excerpt(buffer_anchor.excerpt_id)
1213 .and_then(|buffer| buffer.file().map(|file| (buffer, file)))
1214 {
1215 let as_point = text::ToPoint::to_point(&buffer_anchor.text_anchor, buffer_snapshot);
1216
1217 let is_visible = editor
1218 .gutter_breakpoint_indicator
1219 .0
1220 .is_some_and(|indicator| indicator.is_active);
1221
1222 let has_existing_breakpoint =
1223 editor.breakpoint_store.as_ref().is_some_and(|store| {
1224 let Some(project) = &editor.project else {
1225 return false;
1226 };
1227 let Some(abs_path) = project.read(cx).absolute_path(
1228 &ProjectPath {
1229 path: file.path().clone(),
1230 worktree_id: file.worktree_id(cx),
1231 },
1232 cx,
1233 ) else {
1234 return false;
1235 };
1236 store
1237 .read(cx)
1238 .breakpoint_at_row(&abs_path, as_point.row, cx)
1239 .is_some()
1240 });
1241
1242 if !is_visible {
1243 editor.gutter_breakpoint_indicator.1.get_or_insert_with(|| {
1244 cx.spawn(async move |this, cx| {
1245 cx.background_executor()
1246 .timer(Duration::from_millis(200))
1247 .await;
1248
1249 this.update(cx, |this, cx| {
1250 if let Some(indicator) = this.gutter_breakpoint_indicator.0.as_mut()
1251 {
1252 indicator.is_active = true;
1253 cx.notify();
1254 }
1255 })
1256 .ok();
1257 })
1258 });
1259 }
1260
1261 Some(PhantomBreakpointIndicator {
1262 display_row: valid_point.row(),
1263 is_active: is_visible,
1264 collides_with_existing_breakpoint: has_existing_breakpoint,
1265 })
1266 } else {
1267 editor.gutter_breakpoint_indicator.1 = None;
1268 None
1269 }
1270 } else {
1271 editor.gutter_breakpoint_indicator.1 = None;
1272 None
1273 };
1274
1275 if &breakpoint_indicator != &editor.gutter_breakpoint_indicator.0 {
1276 editor.gutter_breakpoint_indicator.0 = breakpoint_indicator;
1277 cx.notify();
1278 }
1279
1280 // Don't trigger hover popover if mouse is hovering over context menu
1281 if text_hovered {
1282 editor.update_hovered_link(
1283 point_for_position,
1284 &position_map.snapshot,
1285 modifiers,
1286 window,
1287 cx,
1288 );
1289
1290 if let Some(point) = point_for_position.as_valid() {
1291 let anchor = position_map
1292 .snapshot
1293 .buffer_snapshot()
1294 .anchor_before(point.to_offset(&position_map.snapshot, Bias::Left));
1295 hover_at(editor, Some(anchor), window, cx);
1296 Self::update_visible_cursor(editor, point, position_map, window, cx);
1297 } else {
1298 hover_at(editor, None, window, cx);
1299 }
1300 } else {
1301 editor.hide_hovered_link(cx);
1302 hover_at(editor, None, window, cx);
1303 }
1304 }
1305
1306 fn update_visible_cursor(
1307 editor: &mut Editor,
1308 point: DisplayPoint,
1309 position_map: &PositionMap,
1310 window: &mut Window,
1311 cx: &mut Context<Editor>,
1312 ) {
1313 let snapshot = &position_map.snapshot;
1314 let Some(hub) = editor.collaboration_hub() else {
1315 return;
1316 };
1317 let start = snapshot.display_snapshot.clip_point(
1318 DisplayPoint::new(point.row(), point.column().saturating_sub(1)),
1319 Bias::Left,
1320 );
1321 let end = snapshot.display_snapshot.clip_point(
1322 DisplayPoint::new(
1323 point.row(),
1324 (point.column() + 1).min(snapshot.line_len(point.row())),
1325 ),
1326 Bias::Right,
1327 );
1328
1329 let range = snapshot
1330 .buffer_snapshot()
1331 .anchor_before(start.to_point(&snapshot.display_snapshot))
1332 ..snapshot
1333 .buffer_snapshot()
1334 .anchor_after(end.to_point(&snapshot.display_snapshot));
1335
1336 let Some(selection) = snapshot.remote_selections_in_range(&range, hub, cx).next() else {
1337 return;
1338 };
1339 let key = crate::HoveredCursor {
1340 replica_id: selection.replica_id,
1341 selection_id: selection.selection.id,
1342 };
1343 editor.hovered_cursors.insert(
1344 key.clone(),
1345 cx.spawn_in(window, async move |editor, cx| {
1346 cx.background_executor().timer(CURSORS_VISIBLE_FOR).await;
1347 editor
1348 .update(cx, |editor, cx| {
1349 editor.hovered_cursors.remove(&key);
1350 cx.notify();
1351 })
1352 .ok();
1353 }),
1354 );
1355 cx.notify()
1356 }
1357
1358 fn layout_selections(
1359 &self,
1360 start_anchor: Anchor,
1361 end_anchor: Anchor,
1362 local_selections: &[Selection<Point>],
1363 snapshot: &EditorSnapshot,
1364 start_row: DisplayRow,
1365 end_row: DisplayRow,
1366 window: &mut Window,
1367 cx: &mut App,
1368 ) -> (
1369 Vec<(PlayerColor, Vec<SelectionLayout>)>,
1370 BTreeMap<DisplayRow, LineHighlightSpec>,
1371 Option<DisplayPoint>,
1372 ) {
1373 let mut selections: Vec<(PlayerColor, Vec<SelectionLayout>)> = Vec::new();
1374 let mut active_rows = BTreeMap::new();
1375 let mut newest_selection_head = None;
1376
1377 let Some(editor_with_selections) = self.editor_with_selections(cx) else {
1378 return (selections, active_rows, newest_selection_head);
1379 };
1380
1381 editor_with_selections.update(cx, |editor, cx| {
1382 if editor.show_local_selections {
1383 let mut layouts = Vec::new();
1384 let newest = editor.selections.newest(&editor.display_snapshot(cx));
1385 for selection in local_selections.iter().cloned() {
1386 let is_empty = selection.start == selection.end;
1387 let is_newest = selection == newest;
1388
1389 let layout = SelectionLayout::new(
1390 selection,
1391 editor.selections.line_mode(),
1392 editor.cursor_shape,
1393 &snapshot.display_snapshot,
1394 is_newest,
1395 editor.leader_id.is_none(),
1396 None,
1397 );
1398 if is_newest {
1399 newest_selection_head = Some(layout.head);
1400 }
1401
1402 for row in cmp::max(layout.active_rows.start.0, start_row.0)
1403 ..=cmp::min(layout.active_rows.end.0, end_row.0)
1404 {
1405 let contains_non_empty_selection = active_rows
1406 .entry(DisplayRow(row))
1407 .or_insert_with(LineHighlightSpec::default);
1408 contains_non_empty_selection.selection |= !is_empty;
1409 }
1410 layouts.push(layout);
1411 }
1412
1413 let player = editor.current_user_player_color(cx);
1414 selections.push((player, layouts));
1415
1416 if let SelectionDragState::Dragging {
1417 ref selection,
1418 ref drop_cursor,
1419 ref hide_drop_cursor,
1420 } = editor.selection_drag_state
1421 && !hide_drop_cursor
1422 && (drop_cursor
1423 .start
1424 .cmp(&selection.start, &snapshot.buffer_snapshot())
1425 .eq(&Ordering::Less)
1426 || drop_cursor
1427 .end
1428 .cmp(&selection.end, &snapshot.buffer_snapshot())
1429 .eq(&Ordering::Greater))
1430 {
1431 let drag_cursor_layout = SelectionLayout::new(
1432 drop_cursor.clone(),
1433 false,
1434 CursorShape::Bar,
1435 &snapshot.display_snapshot,
1436 false,
1437 false,
1438 None,
1439 );
1440 let absent_color = cx.theme().players().absent();
1441 selections.push((absent_color, vec![drag_cursor_layout]));
1442 }
1443 }
1444
1445 if let Some(collaboration_hub) = &editor.collaboration_hub {
1446 // When following someone, render the local selections in their color.
1447 if let Some(leader_id) = editor.leader_id {
1448 match leader_id {
1449 CollaboratorId::PeerId(peer_id) => {
1450 if let Some(collaborator) =
1451 collaboration_hub.collaborators(cx).get(&peer_id)
1452 && let Some(participant_index) = collaboration_hub
1453 .user_participant_indices(cx)
1454 .get(&collaborator.user_id)
1455 && let Some((local_selection_style, _)) = selections.first_mut()
1456 {
1457 *local_selection_style = cx
1458 .theme()
1459 .players()
1460 .color_for_participant(participant_index.0);
1461 }
1462 }
1463 CollaboratorId::Agent => {
1464 if let Some((local_selection_style, _)) = selections.first_mut() {
1465 *local_selection_style = cx.theme().players().agent();
1466 }
1467 }
1468 }
1469 }
1470
1471 let mut remote_selections = HashMap::default();
1472 for selection in snapshot.remote_selections_in_range(
1473 &(start_anchor..end_anchor),
1474 collaboration_hub.as_ref(),
1475 cx,
1476 ) {
1477 // Don't re-render the leader's selections, since the local selections
1478 // match theirs.
1479 if Some(selection.collaborator_id) == editor.leader_id {
1480 continue;
1481 }
1482 let key = HoveredCursor {
1483 replica_id: selection.replica_id,
1484 selection_id: selection.selection.id,
1485 };
1486
1487 let is_shown =
1488 editor.show_cursor_names || editor.hovered_cursors.contains_key(&key);
1489
1490 remote_selections
1491 .entry(selection.replica_id)
1492 .or_insert((selection.color, Vec::new()))
1493 .1
1494 .push(SelectionLayout::new(
1495 selection.selection,
1496 selection.line_mode,
1497 selection.cursor_shape,
1498 &snapshot.display_snapshot,
1499 false,
1500 false,
1501 if is_shown { selection.user_name } else { None },
1502 ));
1503 }
1504
1505 selections.extend(remote_selections.into_values());
1506 } else if !editor.is_focused(window) && editor.show_cursor_when_unfocused {
1507 let layouts = snapshot
1508 .buffer_snapshot()
1509 .selections_in_range(&(start_anchor..end_anchor), true)
1510 .map(move |(_, line_mode, cursor_shape, selection)| {
1511 SelectionLayout::new(
1512 selection,
1513 line_mode,
1514 cursor_shape,
1515 &snapshot.display_snapshot,
1516 false,
1517 false,
1518 None,
1519 )
1520 })
1521 .collect::<Vec<_>>();
1522 let player = editor.current_user_player_color(cx);
1523 selections.push((player, layouts));
1524 }
1525 });
1526
1527 #[cfg(debug_assertions)]
1528 Self::layout_debug_ranges(
1529 &mut selections,
1530 start_anchor..end_anchor,
1531 &snapshot.display_snapshot,
1532 cx,
1533 );
1534
1535 (selections, active_rows, newest_selection_head)
1536 }
1537
1538 fn collect_cursors(
1539 &self,
1540 snapshot: &EditorSnapshot,
1541 cx: &mut App,
1542 ) -> Vec<(DisplayPoint, Hsla)> {
1543 let editor = self.editor.read(cx);
1544 let mut cursors = Vec::new();
1545 let mut skip_local = false;
1546 let mut add_cursor = |anchor: Anchor, color| {
1547 cursors.push((anchor.to_display_point(&snapshot.display_snapshot), color));
1548 };
1549 // Remote cursors
1550 if let Some(collaboration_hub) = &editor.collaboration_hub {
1551 for remote_selection in snapshot.remote_selections_in_range(
1552 &(Anchor::min()..Anchor::max()),
1553 collaboration_hub.deref(),
1554 cx,
1555 ) {
1556 add_cursor(
1557 remote_selection.selection.head(),
1558 remote_selection.color.cursor,
1559 );
1560 if Some(remote_selection.collaborator_id) == editor.leader_id {
1561 skip_local = true;
1562 }
1563 }
1564 }
1565 // Local cursors
1566 if !skip_local {
1567 let color = cx.theme().players().local().cursor;
1568 editor
1569 .selections
1570 .disjoint_anchors()
1571 .iter()
1572 .for_each(|selection| {
1573 add_cursor(selection.head(), color);
1574 });
1575 if let Some(ref selection) = editor.selections.pending_anchor() {
1576 add_cursor(selection.head(), color);
1577 }
1578 }
1579 cursors
1580 }
1581
1582 fn layout_visible_cursors(
1583 &self,
1584 snapshot: &EditorSnapshot,
1585 selections: &[(PlayerColor, Vec<SelectionLayout>)],
1586 row_block_types: &HashMap<DisplayRow, bool>,
1587 visible_display_row_range: Range<DisplayRow>,
1588 line_layouts: &[LineWithInvisibles],
1589 text_hitbox: &Hitbox,
1590 content_origin: gpui::Point<Pixels>,
1591 scroll_position: gpui::Point<ScrollOffset>,
1592 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
1593 line_height: Pixels,
1594 em_width: Pixels,
1595 em_advance: Pixels,
1596 autoscroll_containing_element: bool,
1597 window: &mut Window,
1598 cx: &mut App,
1599 ) -> Vec<CursorLayout> {
1600 let mut autoscroll_bounds = None;
1601 let cursor_layouts = self.editor.update(cx, |editor, cx| {
1602 let mut cursors = Vec::new();
1603
1604 let show_local_cursors = editor.show_local_cursors(window, cx);
1605
1606 for (player_color, selections) in selections {
1607 for selection in selections {
1608 let cursor_position = selection.head;
1609
1610 let in_range = visible_display_row_range.contains(&cursor_position.row());
1611 if (selection.is_local && !show_local_cursors)
1612 || !in_range
1613 || row_block_types.get(&cursor_position.row()) == Some(&true)
1614 {
1615 continue;
1616 }
1617
1618 let cursor_row_layout = &line_layouts
1619 [cursor_position.row().minus(visible_display_row_range.start) as usize];
1620 let cursor_column = cursor_position.column() as usize;
1621
1622 let cursor_character_x = cursor_row_layout.x_for_index(cursor_column);
1623 let mut block_width =
1624 cursor_row_layout.x_for_index(cursor_column + 1) - cursor_character_x;
1625 if block_width == Pixels::ZERO {
1626 block_width = em_advance;
1627 }
1628 let block_text = if let CursorShape::Block = selection.cursor_shape {
1629 snapshot
1630 .grapheme_at(cursor_position)
1631 .or_else(|| {
1632 if snapshot.is_empty() {
1633 snapshot.placeholder_text().and_then(|s| {
1634 s.graphemes(true).next().map(|s| s.to_string().into())
1635 })
1636 } else {
1637 None
1638 }
1639 })
1640 .map(|text| {
1641 let len = text.len();
1642
1643 let mut font = cursor_row_layout
1644 .font_id_for_index(cursor_column)
1645 .and_then(|cursor_font_id| {
1646 window.text_system().get_font_for_id(cursor_font_id)
1647 })
1648 .unwrap_or(self.style.text.font());
1649 font.features = self.style.text.font_features.clone();
1650
1651 // Invert the text color for the block cursor. Ensure that the text
1652 // color is opaque enough to be visible against the background color.
1653 //
1654 // 0.75 is an arbitrary threshold to determine if the background color is
1655 // opaque enough to use as a text color.
1656 //
1657 // TODO: In the future we should ensure themes have a `text_inverse` color.
1658 let color = if cx.theme().colors().editor_background.a < 0.75 {
1659 match cx.theme().appearance {
1660 Appearance::Dark => Hsla::black(),
1661 Appearance::Light => Hsla::white(),
1662 }
1663 } else {
1664 cx.theme().colors().editor_background
1665 };
1666
1667 window.text_system().shape_line(
1668 text,
1669 cursor_row_layout.font_size,
1670 &[TextRun {
1671 len,
1672 font,
1673 color,
1674 background_color: None,
1675 strikethrough: None,
1676 underline: None,
1677 }],
1678 None,
1679 )
1680 })
1681 } else {
1682 None
1683 };
1684
1685 let x = cursor_character_x - scroll_pixel_position.x.into();
1686 let y = ((cursor_position.row().as_f64() - scroll_position.y)
1687 * ScrollPixelOffset::from(line_height))
1688 .into();
1689 if selection.is_newest {
1690 editor.pixel_position_of_newest_cursor = Some(point(
1691 text_hitbox.origin.x + x + block_width / 2.,
1692 text_hitbox.origin.y + y + line_height / 2.,
1693 ));
1694
1695 if autoscroll_containing_element {
1696 let top = text_hitbox.origin.y
1697 + ((cursor_position.row().as_f64() - scroll_position.y - 3.)
1698 .max(0.)
1699 * ScrollPixelOffset::from(line_height))
1700 .into();
1701 let left = text_hitbox.origin.x
1702 + ((cursor_position.column() as ScrollOffset
1703 - scroll_position.x
1704 - 3.)
1705 .max(0.)
1706 * ScrollPixelOffset::from(em_width))
1707 .into();
1708
1709 let bottom = text_hitbox.origin.y
1710 + ((cursor_position.row().as_f64() - scroll_position.y + 4.)
1711 * ScrollPixelOffset::from(line_height))
1712 .into();
1713 let right = text_hitbox.origin.x
1714 + ((cursor_position.column() as ScrollOffset - scroll_position.x
1715 + 4.)
1716 * ScrollPixelOffset::from(em_width))
1717 .into();
1718
1719 autoscroll_bounds =
1720 Some(Bounds::from_corners(point(left, top), point(right, bottom)))
1721 }
1722 }
1723
1724 let mut cursor = CursorLayout {
1725 color: player_color.cursor,
1726 block_width,
1727 origin: point(x, y),
1728 line_height,
1729 shape: selection.cursor_shape,
1730 block_text,
1731 cursor_name: None,
1732 };
1733 let cursor_name = selection.user_name.clone().map(|name| CursorName {
1734 string: name,
1735 color: self.style.background,
1736 is_top_row: cursor_position.row().0 == 0,
1737 });
1738 cursor.layout(content_origin, cursor_name, window, cx);
1739 cursors.push(cursor);
1740 }
1741 }
1742
1743 cursors
1744 });
1745
1746 if let Some(bounds) = autoscroll_bounds {
1747 window.request_autoscroll(bounds);
1748 }
1749
1750 cursor_layouts
1751 }
1752
1753 fn layout_scrollbars(
1754 &self,
1755 snapshot: &EditorSnapshot,
1756 scrollbar_layout_information: &ScrollbarLayoutInformation,
1757 content_offset: gpui::Point<Pixels>,
1758 scroll_position: gpui::Point<ScrollOffset>,
1759 non_visible_cursors: bool,
1760 right_margin: Pixels,
1761 editor_width: Pixels,
1762 window: &mut Window,
1763 cx: &mut App,
1764 ) -> Option<EditorScrollbars> {
1765 let show_scrollbars = self.editor.read(cx).show_scrollbars;
1766 if (!show_scrollbars.horizontal && !show_scrollbars.vertical)
1767 || self.style.scrollbar_width.is_zero()
1768 {
1769 return None;
1770 }
1771
1772 // If a drag took place after we started dragging the scrollbar,
1773 // cancel the scrollbar drag.
1774 if cx.has_active_drag() {
1775 self.editor.update(cx, |editor, cx| {
1776 editor.scroll_manager.reset_scrollbar_state(cx)
1777 });
1778 }
1779
1780 let editor_settings = EditorSettings::get_global(cx);
1781 let scrollbar_settings = editor_settings.scrollbar;
1782 let show_scrollbars = match scrollbar_settings.show {
1783 ShowScrollbar::Auto => {
1784 let editor = self.editor.read(cx);
1785 let is_singleton = editor.buffer_kind(cx) == ItemBufferKind::Singleton;
1786 // Git
1787 (is_singleton && scrollbar_settings.git_diff && snapshot.buffer_snapshot().has_diff_hunks())
1788 ||
1789 // Buffer Search Results
1790 (is_singleton && scrollbar_settings.search_results && editor.has_background_highlights::<BufferSearchHighlights>())
1791 ||
1792 // Selected Text Occurrences
1793 (is_singleton && scrollbar_settings.selected_text && editor.has_background_highlights::<SelectedTextHighlight>())
1794 ||
1795 // Selected Symbol Occurrences
1796 (is_singleton && scrollbar_settings.selected_symbol && (editor.has_background_highlights::<DocumentHighlightRead>() || editor.has_background_highlights::<DocumentHighlightWrite>()))
1797 ||
1798 // Diagnostics
1799 (is_singleton && scrollbar_settings.diagnostics != ScrollbarDiagnostics::None && snapshot.buffer_snapshot().has_diagnostics())
1800 ||
1801 // Cursors out of sight
1802 non_visible_cursors
1803 ||
1804 // Scrollmanager
1805 editor.scroll_manager.scrollbars_visible()
1806 }
1807 ShowScrollbar::System => self.editor.read(cx).scroll_manager.scrollbars_visible(),
1808 ShowScrollbar::Always => true,
1809 ShowScrollbar::Never => return None,
1810 };
1811
1812 // The horizontal scrollbar is usually slightly offset to align nicely with
1813 // indent guides. However, this offset is not needed if indent guides are
1814 // disabled for the current editor.
1815 let content_offset = self
1816 .editor
1817 .read(cx)
1818 .show_indent_guides
1819 .is_none_or(|should_show| should_show)
1820 .then_some(content_offset)
1821 .unwrap_or_default();
1822
1823 Some(EditorScrollbars::from_scrollbar_axes(
1824 ScrollbarAxes {
1825 horizontal: scrollbar_settings.axes.horizontal
1826 && self.editor.read(cx).show_scrollbars.horizontal,
1827 vertical: scrollbar_settings.axes.vertical
1828 && self.editor.read(cx).show_scrollbars.vertical,
1829 },
1830 scrollbar_layout_information,
1831 content_offset,
1832 scroll_position,
1833 self.style.scrollbar_width,
1834 right_margin,
1835 editor_width,
1836 show_scrollbars,
1837 self.editor.read(cx).scroll_manager.active_scrollbar_state(),
1838 window,
1839 ))
1840 }
1841
1842 fn layout_minimap(
1843 &self,
1844 snapshot: &EditorSnapshot,
1845 minimap_width: Pixels,
1846 scroll_position: gpui::Point<f64>,
1847 scrollbar_layout_information: &ScrollbarLayoutInformation,
1848 scrollbar_layout: Option<&EditorScrollbars>,
1849 window: &mut Window,
1850 cx: &mut App,
1851 ) -> Option<MinimapLayout> {
1852 let minimap_editor = self.editor.read(cx).minimap().cloned()?;
1853
1854 let minimap_settings = EditorSettings::get_global(cx).minimap;
1855
1856 if minimap_settings.on_active_editor() {
1857 let active_editor = self.editor.read(cx).workspace().and_then(|ws| {
1858 ws.read(cx)
1859 .active_pane()
1860 .read(cx)
1861 .active_item()
1862 .and_then(|i| i.act_as::<Editor>(cx))
1863 });
1864 if active_editor.is_some_and(|e| e != self.editor) {
1865 return None;
1866 }
1867 }
1868
1869 if !snapshot.mode.is_full()
1870 || minimap_width.is_zero()
1871 || matches!(
1872 minimap_settings.show,
1873 ShowMinimap::Auto if scrollbar_layout.is_none_or(|layout| !layout.visible)
1874 )
1875 {
1876 return None;
1877 }
1878
1879 const MINIMAP_AXIS: ScrollbarAxis = ScrollbarAxis::Vertical;
1880
1881 let ScrollbarLayoutInformation {
1882 editor_bounds,
1883 scroll_range,
1884 glyph_grid_cell,
1885 } = scrollbar_layout_information;
1886
1887 let line_height = glyph_grid_cell.height;
1888 let scroll_position = scroll_position.along(MINIMAP_AXIS);
1889
1890 let top_right_anchor = scrollbar_layout
1891 .and_then(|layout| layout.vertical.as_ref())
1892 .map(|vertical_scrollbar| vertical_scrollbar.hitbox.origin)
1893 .unwrap_or_else(|| editor_bounds.top_right());
1894
1895 let thumb_state = self
1896 .editor
1897 .read_with(cx, |editor, _| editor.scroll_manager.minimap_thumb_state());
1898
1899 let show_thumb = match minimap_settings.thumb {
1900 MinimapThumb::Always => true,
1901 MinimapThumb::Hover => thumb_state.is_some(),
1902 };
1903
1904 let minimap_bounds = Bounds::from_corner_and_size(
1905 Corner::TopRight,
1906 top_right_anchor,
1907 size(minimap_width, editor_bounds.size.height),
1908 );
1909 let minimap_line_height = self.get_minimap_line_height(
1910 minimap_editor
1911 .read(cx)
1912 .text_style_refinement
1913 .as_ref()
1914 .and_then(|refinement| refinement.font_size)
1915 .unwrap_or(MINIMAP_FONT_SIZE),
1916 window,
1917 cx,
1918 );
1919 let minimap_height = minimap_bounds.size.height;
1920
1921 let visible_editor_lines = (editor_bounds.size.height / line_height) as f64;
1922 let total_editor_lines = (scroll_range.height / line_height) as f64;
1923 let minimap_lines = (minimap_height / minimap_line_height) as f64;
1924
1925 let minimap_scroll_top = MinimapLayout::calculate_minimap_top_offset(
1926 total_editor_lines,
1927 visible_editor_lines,
1928 minimap_lines,
1929 scroll_position,
1930 );
1931
1932 let layout = ScrollbarLayout::for_minimap(
1933 window.insert_hitbox(minimap_bounds, HitboxBehavior::Normal),
1934 visible_editor_lines,
1935 total_editor_lines,
1936 minimap_line_height,
1937 scroll_position,
1938 minimap_scroll_top,
1939 show_thumb,
1940 )
1941 .with_thumb_state(thumb_state);
1942
1943 minimap_editor.update(cx, |editor, cx| {
1944 editor.set_scroll_position(point(0., minimap_scroll_top), window, cx)
1945 });
1946
1947 // Required for the drop shadow to be visible
1948 const PADDING_OFFSET: Pixels = px(4.);
1949
1950 let mut minimap = div()
1951 .size_full()
1952 .shadow_xs()
1953 .px(PADDING_OFFSET)
1954 .child(minimap_editor)
1955 .into_any_element();
1956
1957 let extended_bounds = minimap_bounds.extend(Edges {
1958 right: PADDING_OFFSET,
1959 left: PADDING_OFFSET,
1960 ..Default::default()
1961 });
1962 minimap.layout_as_root(extended_bounds.size.into(), window, cx);
1963 window.with_absolute_element_offset(extended_bounds.origin, |window| {
1964 minimap.prepaint(window, cx)
1965 });
1966
1967 Some(MinimapLayout {
1968 minimap,
1969 thumb_layout: layout,
1970 thumb_border_style: minimap_settings.thumb_border,
1971 minimap_line_height,
1972 minimap_scroll_top,
1973 max_scroll_top: total_editor_lines,
1974 })
1975 }
1976
1977 fn get_minimap_line_height(
1978 &self,
1979 font_size: AbsoluteLength,
1980 window: &mut Window,
1981 cx: &mut App,
1982 ) -> Pixels {
1983 let rem_size = self.rem_size(cx).unwrap_or(window.rem_size());
1984 let mut text_style = self.style.text.clone();
1985 text_style.font_size = font_size;
1986 text_style.line_height_in_pixels(rem_size)
1987 }
1988
1989 fn get_minimap_width(
1990 &self,
1991 minimap_settings: &Minimap,
1992 scrollbars_shown: bool,
1993 text_width: Pixels,
1994 em_width: Pixels,
1995 font_size: Pixels,
1996 rem_size: Pixels,
1997 cx: &App,
1998 ) -> Option<Pixels> {
1999 if minimap_settings.show == ShowMinimap::Auto && !scrollbars_shown {
2000 return None;
2001 }
2002
2003 let minimap_font_size = self.editor.read_with(cx, |editor, cx| {
2004 editor.minimap().map(|minimap_editor| {
2005 minimap_editor
2006 .read(cx)
2007 .text_style_refinement
2008 .as_ref()
2009 .and_then(|refinement| refinement.font_size)
2010 .unwrap_or(MINIMAP_FONT_SIZE)
2011 })
2012 })?;
2013
2014 let minimap_em_width = em_width * (minimap_font_size.to_pixels(rem_size) / font_size);
2015
2016 let minimap_width = (text_width * MinimapLayout::MINIMAP_WIDTH_PCT)
2017 .min(minimap_em_width * minimap_settings.max_width_columns.get() as f32);
2018
2019 (minimap_width >= minimap_em_width * MinimapLayout::MINIMAP_MIN_WIDTH_COLUMNS)
2020 .then_some(minimap_width)
2021 }
2022
2023 fn prepaint_crease_toggles(
2024 &self,
2025 crease_toggles: &mut [Option<AnyElement>],
2026 line_height: Pixels,
2027 gutter_dimensions: &GutterDimensions,
2028 gutter_settings: crate::editor_settings::Gutter,
2029 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2030 gutter_hitbox: &Hitbox,
2031 window: &mut Window,
2032 cx: &mut App,
2033 ) {
2034 for (ix, crease_toggle) in crease_toggles.iter_mut().enumerate() {
2035 if let Some(crease_toggle) = crease_toggle {
2036 debug_assert!(gutter_settings.folds);
2037 let available_space = size(
2038 AvailableSpace::MinContent,
2039 AvailableSpace::Definite(line_height * 0.55),
2040 );
2041 let crease_toggle_size = crease_toggle.layout_as_root(available_space, window, cx);
2042
2043 let position = point(
2044 gutter_dimensions.width - gutter_dimensions.right_padding,
2045 ix as f32 * line_height
2046 - (scroll_pixel_position.y % ScrollPixelOffset::from(line_height)).into(),
2047 );
2048 let centering_offset = point(
2049 (gutter_dimensions.fold_area_width() - crease_toggle_size.width) / 2.,
2050 (line_height - crease_toggle_size.height) / 2.,
2051 );
2052 let origin = gutter_hitbox.origin + position + centering_offset;
2053 crease_toggle.prepaint_as_root(origin, available_space, window, cx);
2054 }
2055 }
2056 }
2057
2058 fn prepaint_expand_toggles(
2059 &self,
2060 expand_toggles: &mut [Option<(AnyElement, gpui::Point<Pixels>)>],
2061 window: &mut Window,
2062 cx: &mut App,
2063 ) {
2064 for (expand_toggle, origin) in expand_toggles.iter_mut().flatten() {
2065 let available_space = size(AvailableSpace::MinContent, AvailableSpace::MinContent);
2066 expand_toggle.layout_as_root(available_space, window, cx);
2067 expand_toggle.prepaint_as_root(*origin, available_space, window, cx);
2068 }
2069 }
2070
2071 fn prepaint_crease_trailers(
2072 &self,
2073 trailers: Vec<Option<AnyElement>>,
2074 lines: &[LineWithInvisibles],
2075 line_height: Pixels,
2076 content_origin: gpui::Point<Pixels>,
2077 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2078 em_width: Pixels,
2079 window: &mut Window,
2080 cx: &mut App,
2081 ) -> Vec<Option<CreaseTrailerLayout>> {
2082 trailers
2083 .into_iter()
2084 .enumerate()
2085 .map(|(ix, element)| {
2086 let mut element = element?;
2087 let available_space = size(
2088 AvailableSpace::MinContent,
2089 AvailableSpace::Definite(line_height),
2090 );
2091 let size = element.layout_as_root(available_space, window, cx);
2092
2093 let line = &lines[ix];
2094 let padding = if line.width == Pixels::ZERO {
2095 Pixels::ZERO
2096 } else {
2097 4. * em_width
2098 };
2099 let position = point(
2100 Pixels::from(scroll_pixel_position.x) + line.width + padding,
2101 ix as f32 * line_height
2102 - (scroll_pixel_position.y % ScrollPixelOffset::from(line_height)).into(),
2103 );
2104 let centering_offset = point(px(0.), (line_height - size.height) / 2.);
2105 let origin = content_origin + position + centering_offset;
2106 element.prepaint_as_root(origin, available_space, window, cx);
2107 Some(CreaseTrailerLayout {
2108 element,
2109 bounds: Bounds::new(origin, size),
2110 })
2111 })
2112 .collect()
2113 }
2114
2115 // Folds contained in a hunk are ignored apart from shrinking visual size
2116 // If a fold contains any hunks then that fold line is marked as modified
2117 fn layout_gutter_diff_hunks(
2118 &self,
2119 line_height: Pixels,
2120 gutter_hitbox: &Hitbox,
2121 display_rows: Range<DisplayRow>,
2122 snapshot: &EditorSnapshot,
2123 window: &mut Window,
2124 cx: &mut App,
2125 ) -> Vec<(DisplayDiffHunk, Option<Hitbox>)> {
2126 let folded_buffers = self.editor.read(cx).folded_buffers(cx);
2127 let mut display_hunks = snapshot
2128 .display_diff_hunks_for_rows(display_rows, folded_buffers)
2129 .map(|hunk| (hunk, None))
2130 .collect::<Vec<_>>();
2131 let git_gutter_setting = ProjectSettings::get_global(cx).git.git_gutter;
2132 if let GitGutterSetting::TrackedFiles = git_gutter_setting {
2133 for (hunk, hitbox) in &mut display_hunks {
2134 if matches!(hunk, DisplayDiffHunk::Unfolded { .. }) {
2135 let hunk_bounds =
2136 Self::diff_hunk_bounds(snapshot, line_height, gutter_hitbox.bounds, hunk);
2137 *hitbox = Some(window.insert_hitbox(hunk_bounds, HitboxBehavior::BlockMouse));
2138 }
2139 }
2140 }
2141
2142 display_hunks
2143 }
2144
2145 fn layout_inline_diagnostics(
2146 &self,
2147 line_layouts: &[LineWithInvisibles],
2148 crease_trailers: &[Option<CreaseTrailerLayout>],
2149 row_block_types: &HashMap<DisplayRow, bool>,
2150 content_origin: gpui::Point<Pixels>,
2151 scroll_position: gpui::Point<ScrollOffset>,
2152 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2153 edit_prediction_popover_origin: Option<gpui::Point<Pixels>>,
2154 start_row: DisplayRow,
2155 end_row: DisplayRow,
2156 line_height: Pixels,
2157 em_width: Pixels,
2158 style: &EditorStyle,
2159 window: &mut Window,
2160 cx: &mut App,
2161 ) -> HashMap<DisplayRow, AnyElement> {
2162 let max_severity = match self
2163 .editor
2164 .read(cx)
2165 .inline_diagnostics_enabled()
2166 .then(|| {
2167 ProjectSettings::get_global(cx)
2168 .diagnostics
2169 .inline
2170 .max_severity
2171 .unwrap_or_else(|| self.editor.read(cx).diagnostics_max_severity)
2172 .into_lsp()
2173 })
2174 .flatten()
2175 {
2176 Some(max_severity) => max_severity,
2177 None => return HashMap::default(),
2178 };
2179
2180 let active_diagnostics_group =
2181 if let ActiveDiagnostic::Group(group) = &self.editor.read(cx).active_diagnostics {
2182 Some(group.group_id)
2183 } else {
2184 None
2185 };
2186
2187 let diagnostics_by_rows = self.editor.update(cx, |editor, cx| {
2188 let snapshot = editor.snapshot(window, cx);
2189 editor
2190 .inline_diagnostics
2191 .iter()
2192 .filter(|(_, diagnostic)| diagnostic.severity <= max_severity)
2193 .filter(|(_, diagnostic)| match active_diagnostics_group {
2194 Some(active_diagnostics_group) => {
2195 // Active diagnostics are all shown in the editor already, no need to display them inline
2196 diagnostic.group_id != active_diagnostics_group
2197 }
2198 None => true,
2199 })
2200 .map(|(point, diag)| (point.to_display_point(&snapshot), diag.clone()))
2201 .skip_while(|(point, _)| point.row() < start_row)
2202 .take_while(|(point, _)| point.row() < end_row)
2203 .filter(|(point, _)| !row_block_types.contains_key(&point.row()))
2204 .fold(HashMap::default(), |mut acc, (point, diagnostic)| {
2205 acc.entry(point.row())
2206 .or_insert_with(Vec::new)
2207 .push(diagnostic);
2208 acc
2209 })
2210 });
2211
2212 if diagnostics_by_rows.is_empty() {
2213 return HashMap::default();
2214 }
2215
2216 let severity_to_color = |sev: &lsp::DiagnosticSeverity| match sev {
2217 &lsp::DiagnosticSeverity::ERROR => Color::Error,
2218 &lsp::DiagnosticSeverity::WARNING => Color::Warning,
2219 &lsp::DiagnosticSeverity::INFORMATION => Color::Info,
2220 &lsp::DiagnosticSeverity::HINT => Color::Hint,
2221 _ => Color::Error,
2222 };
2223
2224 let padding = ProjectSettings::get_global(cx).diagnostics.inline.padding as f32 * em_width;
2225 let min_x = self.column_pixels(
2226 ProjectSettings::get_global(cx)
2227 .diagnostics
2228 .inline
2229 .min_column as usize,
2230 window,
2231 );
2232
2233 let mut elements = HashMap::default();
2234 for (row, mut diagnostics) in diagnostics_by_rows {
2235 diagnostics.sort_by_key(|diagnostic| {
2236 (
2237 diagnostic.severity,
2238 std::cmp::Reverse(diagnostic.is_primary),
2239 diagnostic.start.row,
2240 diagnostic.start.column,
2241 )
2242 });
2243
2244 let Some(diagnostic_to_render) = diagnostics
2245 .iter()
2246 .find(|diagnostic| diagnostic.is_primary)
2247 .or_else(|| diagnostics.first())
2248 else {
2249 continue;
2250 };
2251
2252 let pos_y = content_origin.y + line_height * (row.0 as f64 - scroll_position.y) as f32;
2253
2254 let window_ix = row.0.saturating_sub(start_row.0) as usize;
2255 let pos_x = {
2256 let crease_trailer_layout = &crease_trailers[window_ix];
2257 let line_layout = &line_layouts[window_ix];
2258
2259 let line_end = if let Some(crease_trailer) = crease_trailer_layout {
2260 crease_trailer.bounds.right()
2261 } else {
2262 Pixels::from(
2263 ScrollPixelOffset::from(content_origin.x + line_layout.width)
2264 - scroll_pixel_position.x,
2265 )
2266 };
2267
2268 let padded_line = line_end + padding;
2269 let min_start = Pixels::from(
2270 ScrollPixelOffset::from(content_origin.x + min_x) - scroll_pixel_position.x,
2271 );
2272
2273 cmp::max(padded_line, min_start)
2274 };
2275
2276 let behind_edit_prediction_popover = edit_prediction_popover_origin
2277 .as_ref()
2278 .is_some_and(|edit_prediction_popover_origin| {
2279 (pos_y..pos_y + line_height).contains(&edit_prediction_popover_origin.y)
2280 });
2281 let opacity = if behind_edit_prediction_popover {
2282 0.5
2283 } else {
2284 1.0
2285 };
2286
2287 let mut element = h_flex()
2288 .id(("diagnostic", row.0))
2289 .h(line_height)
2290 .w_full()
2291 .px_1()
2292 .rounded_xs()
2293 .opacity(opacity)
2294 .bg(severity_to_color(&diagnostic_to_render.severity)
2295 .color(cx)
2296 .opacity(0.05))
2297 .text_color(severity_to_color(&diagnostic_to_render.severity).color(cx))
2298 .text_sm()
2299 .font_family(style.text.font().family)
2300 .child(diagnostic_to_render.message.clone())
2301 .into_any();
2302
2303 element.prepaint_as_root(point(pos_x, pos_y), AvailableSpace::min_size(), window, cx);
2304
2305 elements.insert(row, element);
2306 }
2307
2308 elements
2309 }
2310
2311 fn layout_inline_code_actions(
2312 &self,
2313 display_point: DisplayPoint,
2314 content_origin: gpui::Point<Pixels>,
2315 scroll_position: gpui::Point<ScrollOffset>,
2316 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2317 line_height: Pixels,
2318 snapshot: &EditorSnapshot,
2319 window: &mut Window,
2320 cx: &mut App,
2321 ) -> Option<AnyElement> {
2322 if !snapshot
2323 .show_code_actions
2324 .unwrap_or(EditorSettings::get_global(cx).inline_code_actions)
2325 {
2326 return None;
2327 }
2328
2329 let icon_size = ui::IconSize::XSmall;
2330 let mut button = self.editor.update(cx, |editor, cx| {
2331 editor.available_code_actions.as_ref()?;
2332 let active = editor
2333 .context_menu
2334 .borrow()
2335 .as_ref()
2336 .and_then(|menu| {
2337 if let crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2338 deployed_from,
2339 ..
2340 }) = menu
2341 {
2342 deployed_from.as_ref()
2343 } else {
2344 None
2345 }
2346 })
2347 .is_some_and(|source| matches!(source, CodeActionSource::Indicator(..)));
2348 Some(editor.render_inline_code_actions(icon_size, display_point.row(), active, cx))
2349 })?;
2350
2351 let buffer_point = display_point.to_point(&snapshot.display_snapshot);
2352
2353 // do not show code action for folded line
2354 if snapshot.is_line_folded(MultiBufferRow(buffer_point.row)) {
2355 return None;
2356 }
2357
2358 // do not show code action for blank line with cursor
2359 let line_indent = snapshot
2360 .display_snapshot
2361 .buffer_snapshot()
2362 .line_indent_for_row(MultiBufferRow(buffer_point.row));
2363 if line_indent.is_line_blank() {
2364 return None;
2365 }
2366
2367 const INLINE_SLOT_CHAR_LIMIT: u32 = 4;
2368 const MAX_ALTERNATE_DISTANCE: u32 = 8;
2369
2370 let excerpt_id = snapshot
2371 .display_snapshot
2372 .buffer_snapshot()
2373 .excerpt_containing(buffer_point..buffer_point)
2374 .map(|excerpt| excerpt.id());
2375
2376 let is_valid_row = |row_candidate: u32| -> bool {
2377 // move to other row if folded row
2378 if snapshot.is_line_folded(MultiBufferRow(row_candidate)) {
2379 return false;
2380 }
2381 if buffer_point.row == row_candidate {
2382 // move to other row if cursor is in slot
2383 if buffer_point.column < INLINE_SLOT_CHAR_LIMIT {
2384 return false;
2385 }
2386 } else {
2387 let candidate_point = MultiBufferPoint {
2388 row: row_candidate,
2389 column: 0,
2390 };
2391 let candidate_excerpt_id = snapshot
2392 .display_snapshot
2393 .buffer_snapshot()
2394 .excerpt_containing(candidate_point..candidate_point)
2395 .map(|excerpt| excerpt.id());
2396 // move to other row if different excerpt
2397 if excerpt_id != candidate_excerpt_id {
2398 return false;
2399 }
2400 }
2401 let line_indent = snapshot
2402 .display_snapshot
2403 .buffer_snapshot()
2404 .line_indent_for_row(MultiBufferRow(row_candidate));
2405 // use this row if it's blank
2406 if line_indent.is_line_blank() {
2407 true
2408 } else {
2409 // use this row if code starts after slot
2410 let indent_size = snapshot
2411 .display_snapshot
2412 .buffer_snapshot()
2413 .indent_size_for_line(MultiBufferRow(row_candidate));
2414 indent_size.len >= INLINE_SLOT_CHAR_LIMIT
2415 }
2416 };
2417
2418 let new_buffer_row = if is_valid_row(buffer_point.row) {
2419 Some(buffer_point.row)
2420 } else {
2421 let max_row = snapshot.display_snapshot.buffer_snapshot().max_point().row;
2422 (1..=MAX_ALTERNATE_DISTANCE).find_map(|offset| {
2423 let row_above = buffer_point.row.saturating_sub(offset);
2424 let row_below = buffer_point.row + offset;
2425 if row_above != buffer_point.row && is_valid_row(row_above) {
2426 Some(row_above)
2427 } else if row_below <= max_row && is_valid_row(row_below) {
2428 Some(row_below)
2429 } else {
2430 None
2431 }
2432 })
2433 }?;
2434
2435 let new_display_row = snapshot
2436 .display_snapshot
2437 .point_to_display_point(
2438 Point {
2439 row: new_buffer_row,
2440 column: buffer_point.column,
2441 },
2442 text::Bias::Left,
2443 )
2444 .row();
2445
2446 let start_y = content_origin.y
2447 + (((new_display_row.as_f64() - scroll_position.y) as f32) * line_height)
2448 + (line_height / 2.0)
2449 - (icon_size.square(window, cx) / 2.);
2450 let start_x = (ScrollPixelOffset::from(content_origin.x) - scroll_pixel_position.x
2451 + ScrollPixelOffset::from(window.rem_size() * 0.1))
2452 .into();
2453
2454 let absolute_offset = gpui::point(start_x, start_y);
2455 button.layout_as_root(gpui::AvailableSpace::min_size(), window, cx);
2456 button.prepaint_as_root(
2457 absolute_offset,
2458 gpui::AvailableSpace::min_size(),
2459 window,
2460 cx,
2461 );
2462 Some(button)
2463 }
2464
2465 fn layout_inline_blame(
2466 &self,
2467 display_row: DisplayRow,
2468 row_info: &RowInfo,
2469 line_layout: &LineWithInvisibles,
2470 crease_trailer: Option<&CreaseTrailerLayout>,
2471 em_width: Pixels,
2472 content_origin: gpui::Point<Pixels>,
2473 scroll_position: gpui::Point<ScrollOffset>,
2474 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2475 line_height: Pixels,
2476 text_hitbox: &Hitbox,
2477 window: &mut Window,
2478 cx: &mut App,
2479 ) -> Option<InlineBlameLayout> {
2480 if !self
2481 .editor
2482 .update(cx, |editor, cx| editor.render_git_blame_inline(window, cx))
2483 {
2484 return None;
2485 }
2486
2487 let editor = self.editor.read(cx);
2488 let blame = editor.blame.clone()?;
2489 let padding = {
2490 const INLINE_ACCEPT_SUGGESTION_EM_WIDTHS: f32 = 14.;
2491
2492 let mut padding = ProjectSettings::get_global(cx).git.inline_blame.padding as f32;
2493
2494 if let Some(edit_prediction) = editor.active_edit_prediction.as_ref()
2495 && let EditPrediction::Edit {
2496 display_mode: EditDisplayMode::TabAccept,
2497 ..
2498 } = &edit_prediction.completion
2499 {
2500 padding += INLINE_ACCEPT_SUGGESTION_EM_WIDTHS
2501 }
2502
2503 padding * em_width
2504 };
2505
2506 let (buffer_id, entry) = blame
2507 .update(cx, |blame, cx| {
2508 blame.blame_for_rows(&[*row_info], cx).next()
2509 })
2510 .flatten()?;
2511
2512 let mut element = render_inline_blame_entry(entry.clone(), &self.style, cx)?;
2513
2514 let start_y =
2515 content_origin.y + line_height * ((display_row.as_f64() - scroll_position.y) as f32);
2516
2517 let start_x = {
2518 let line_end = if let Some(crease_trailer) = crease_trailer {
2519 crease_trailer.bounds.right()
2520 } else {
2521 Pixels::from(
2522 ScrollPixelOffset::from(content_origin.x + line_layout.width)
2523 - scroll_pixel_position.x,
2524 )
2525 };
2526
2527 let padded_line_end = line_end + padding;
2528
2529 let min_column_in_pixels = self.column_pixels(
2530 ProjectSettings::get_global(cx).git.inline_blame.min_column as usize,
2531 window,
2532 );
2533 let min_start = Pixels::from(
2534 ScrollPixelOffset::from(content_origin.x + min_column_in_pixels)
2535 - scroll_pixel_position.x,
2536 );
2537
2538 cmp::max(padded_line_end, min_start)
2539 };
2540
2541 let absolute_offset = point(start_x, start_y);
2542 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2543 let bounds = Bounds::new(absolute_offset, size);
2544
2545 self.layout_blame_entry_popover(
2546 entry.clone(),
2547 blame,
2548 line_height,
2549 text_hitbox,
2550 row_info.buffer_id?,
2551 window,
2552 cx,
2553 );
2554
2555 element.prepaint_as_root(absolute_offset, AvailableSpace::min_size(), window, cx);
2556
2557 Some(InlineBlameLayout {
2558 element,
2559 bounds,
2560 buffer_id,
2561 entry,
2562 })
2563 }
2564
2565 fn layout_blame_entry_popover(
2566 &self,
2567 blame_entry: BlameEntry,
2568 blame: Entity<GitBlame>,
2569 line_height: Pixels,
2570 text_hitbox: &Hitbox,
2571 buffer: BufferId,
2572 window: &mut Window,
2573 cx: &mut App,
2574 ) {
2575 let Some((popover_state, target_point)) = self.editor.read_with(cx, |editor, _| {
2576 editor
2577 .inline_blame_popover
2578 .as_ref()
2579 .map(|state| (state.popover_state.clone(), state.position))
2580 }) else {
2581 return;
2582 };
2583
2584 let workspace = self
2585 .editor
2586 .read_with(cx, |editor, _| editor.workspace().map(|w| w.downgrade()));
2587
2588 let maybe_element = workspace.and_then(|workspace| {
2589 render_blame_entry_popover(
2590 blame_entry,
2591 popover_state.scroll_handle,
2592 popover_state.commit_message,
2593 popover_state.markdown,
2594 workspace,
2595 &blame,
2596 buffer,
2597 window,
2598 cx,
2599 )
2600 });
2601
2602 if let Some(mut element) = maybe_element {
2603 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2604 let overall_height = size.height + HOVER_POPOVER_GAP;
2605 let popover_origin = if target_point.y > overall_height {
2606 point(target_point.x, target_point.y - size.height)
2607 } else {
2608 point(
2609 target_point.x,
2610 target_point.y + line_height + HOVER_POPOVER_GAP,
2611 )
2612 };
2613
2614 let horizontal_offset = (text_hitbox.top_right().x
2615 - POPOVER_RIGHT_OFFSET
2616 - (popover_origin.x + size.width))
2617 .min(Pixels::ZERO);
2618
2619 let origin = point(popover_origin.x + horizontal_offset, popover_origin.y);
2620 let popover_bounds = Bounds::new(origin, size);
2621
2622 self.editor.update(cx, |editor, _| {
2623 if let Some(state) = &mut editor.inline_blame_popover {
2624 state.popover_bounds = Some(popover_bounds);
2625 }
2626 });
2627
2628 window.defer_draw(element, origin, 2);
2629 }
2630 }
2631
2632 fn layout_blame_entries(
2633 &self,
2634 buffer_rows: &[RowInfo],
2635 em_width: Pixels,
2636 scroll_position: gpui::Point<ScrollOffset>,
2637 line_height: Pixels,
2638 gutter_hitbox: &Hitbox,
2639 max_width: Option<Pixels>,
2640 window: &mut Window,
2641 cx: &mut App,
2642 ) -> Option<Vec<AnyElement>> {
2643 if !self
2644 .editor
2645 .update(cx, |editor, cx| editor.render_git_blame_gutter(cx))
2646 {
2647 return None;
2648 }
2649
2650 let blame = self.editor.read(cx).blame.clone()?;
2651 let workspace = self.editor.read(cx).workspace()?;
2652 let blamed_rows: Vec<_> = blame.update(cx, |blame, cx| {
2653 blame.blame_for_rows(buffer_rows, cx).collect()
2654 });
2655
2656 let width = if let Some(max_width) = max_width {
2657 AvailableSpace::Definite(max_width)
2658 } else {
2659 AvailableSpace::MaxContent
2660 };
2661 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
2662 let start_x = em_width;
2663
2664 let mut last_used_color: Option<(Hsla, Oid)> = None;
2665 let blame_renderer = cx.global::<GlobalBlameRenderer>().0.clone();
2666
2667 let shaped_lines = blamed_rows
2668 .into_iter()
2669 .enumerate()
2670 .flat_map(|(ix, blame_entry)| {
2671 let (buffer_id, blame_entry) = blame_entry?;
2672 let mut element = render_blame_entry(
2673 ix,
2674 &blame,
2675 blame_entry,
2676 &self.style,
2677 &mut last_used_color,
2678 self.editor.clone(),
2679 workspace.clone(),
2680 buffer_id,
2681 &*blame_renderer,
2682 window,
2683 cx,
2684 )?;
2685
2686 let start_y = ix as f32 * line_height
2687 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height));
2688 let absolute_offset = gutter_hitbox.origin + point(start_x, start_y);
2689
2690 element.prepaint_as_root(
2691 absolute_offset,
2692 size(width, AvailableSpace::MinContent),
2693 window,
2694 cx,
2695 );
2696
2697 Some(element)
2698 })
2699 .collect();
2700
2701 Some(shaped_lines)
2702 }
2703
2704 fn layout_indent_guides(
2705 &self,
2706 content_origin: gpui::Point<Pixels>,
2707 text_origin: gpui::Point<Pixels>,
2708 visible_buffer_range: Range<MultiBufferRow>,
2709 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2710 line_height: Pixels,
2711 snapshot: &DisplaySnapshot,
2712 window: &mut Window,
2713 cx: &mut App,
2714 ) -> Option<Vec<IndentGuideLayout>> {
2715 let indent_guides = self.editor.update(cx, |editor, cx| {
2716 editor.indent_guides(visible_buffer_range, snapshot, cx)
2717 })?;
2718
2719 let active_indent_guide_indices = self.editor.update(cx, |editor, cx| {
2720 editor
2721 .find_active_indent_guide_indices(&indent_guides, snapshot, window, cx)
2722 .unwrap_or_default()
2723 });
2724
2725 Some(
2726 indent_guides
2727 .into_iter()
2728 .enumerate()
2729 .filter_map(|(i, indent_guide)| {
2730 let single_indent_width =
2731 self.column_pixels(indent_guide.tab_size as usize, window);
2732 let total_width = single_indent_width * indent_guide.depth as f32;
2733 let start_x = Pixels::from(
2734 ScrollOffset::from(content_origin.x + total_width)
2735 - scroll_pixel_position.x,
2736 );
2737 if start_x >= text_origin.x {
2738 let (offset_y, length) = Self::calculate_indent_guide_bounds(
2739 indent_guide.start_row..indent_guide.end_row,
2740 line_height,
2741 snapshot,
2742 );
2743
2744 let start_y = Pixels::from(
2745 ScrollOffset::from(content_origin.y) + offset_y
2746 - scroll_pixel_position.y,
2747 );
2748
2749 Some(IndentGuideLayout {
2750 origin: point(start_x, start_y),
2751 length,
2752 single_indent_width,
2753 depth: indent_guide.depth,
2754 active: active_indent_guide_indices.contains(&i),
2755 settings: indent_guide.settings,
2756 })
2757 } else {
2758 None
2759 }
2760 })
2761 .collect(),
2762 )
2763 }
2764
2765 fn layout_wrap_guides(
2766 &self,
2767 em_advance: Pixels,
2768 scroll_position: gpui::Point<f64>,
2769 content_origin: gpui::Point<Pixels>,
2770 scrollbar_layout: Option<&EditorScrollbars>,
2771 vertical_scrollbar_width: Pixels,
2772 hitbox: &Hitbox,
2773 window: &Window,
2774 cx: &App,
2775 ) -> SmallVec<[(Pixels, bool); 2]> {
2776 let scroll_left = scroll_position.x as f32 * em_advance;
2777 let content_origin = content_origin.x;
2778 let horizontal_offset = content_origin - scroll_left;
2779 let vertical_scrollbar_width = scrollbar_layout
2780 .and_then(|layout| layout.visible.then_some(vertical_scrollbar_width))
2781 .unwrap_or_default();
2782
2783 self.editor
2784 .read(cx)
2785 .wrap_guides(cx)
2786 .into_iter()
2787 .flat_map(|(guide, active)| {
2788 let wrap_position = self.column_pixels(guide, window);
2789 let wrap_guide_x = wrap_position + horizontal_offset;
2790 let display_wrap_guide = wrap_guide_x >= content_origin
2791 && wrap_guide_x <= hitbox.bounds.right() - vertical_scrollbar_width;
2792
2793 display_wrap_guide.then_some((wrap_guide_x, active))
2794 })
2795 .collect()
2796 }
2797
2798 fn calculate_indent_guide_bounds(
2799 row_range: Range<MultiBufferRow>,
2800 line_height: Pixels,
2801 snapshot: &DisplaySnapshot,
2802 ) -> (f64, gpui::Pixels) {
2803 let start_point = Point::new(row_range.start.0, 0);
2804 let end_point = Point::new(row_range.end.0, 0);
2805
2806 let row_range = start_point.to_display_point(snapshot).row()
2807 ..end_point.to_display_point(snapshot).row();
2808
2809 let mut prev_line = start_point;
2810 prev_line.row = prev_line.row.saturating_sub(1);
2811 let prev_line = prev_line.to_display_point(snapshot).row();
2812
2813 let mut cons_line = end_point;
2814 cons_line.row += 1;
2815 let cons_line = cons_line.to_display_point(snapshot).row();
2816
2817 let mut offset_y = row_range.start.as_f64() * f64::from(line_height);
2818 let mut length = (cons_line.0.saturating_sub(row_range.start.0)) as f32 * line_height;
2819
2820 // If we are at the end of the buffer, ensure that the indent guide extends to the end of the line.
2821 if row_range.end == cons_line {
2822 length += line_height;
2823 }
2824
2825 // If there is a block (e.g. diagnostic) in between the start of the indent guide and the line above,
2826 // we want to extend the indent guide to the start of the block.
2827 let mut block_height = 0;
2828 let mut block_offset = 0;
2829 let mut found_excerpt_header = false;
2830 for (_, block) in snapshot.blocks_in_range(prev_line..row_range.start) {
2831 if matches!(
2832 block,
2833 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
2834 ) {
2835 found_excerpt_header = true;
2836 break;
2837 }
2838 block_offset += block.height();
2839 block_height += block.height();
2840 }
2841 if !found_excerpt_header {
2842 offset_y -= block_offset as f64 * f64::from(line_height);
2843 length += block_height as f32 * line_height;
2844 }
2845
2846 // If there is a block (e.g. diagnostic) at the end of an multibuffer excerpt,
2847 // we want to ensure that the indent guide stops before the excerpt header.
2848 let mut block_height = 0;
2849 let mut found_excerpt_header = false;
2850 for (_, block) in snapshot.blocks_in_range(row_range.end..cons_line) {
2851 if matches!(
2852 block,
2853 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
2854 ) {
2855 found_excerpt_header = true;
2856 }
2857 block_height += block.height();
2858 }
2859 if found_excerpt_header {
2860 length -= block_height as f32 * line_height;
2861 }
2862
2863 (offset_y, length)
2864 }
2865
2866 fn layout_breakpoints(
2867 &self,
2868 line_height: Pixels,
2869 range: Range<DisplayRow>,
2870 scroll_position: gpui::Point<ScrollOffset>,
2871 gutter_dimensions: &GutterDimensions,
2872 gutter_hitbox: &Hitbox,
2873 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2874 snapshot: &EditorSnapshot,
2875 breakpoints: HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2876 row_infos: &[RowInfo],
2877 window: &mut Window,
2878 cx: &mut App,
2879 ) -> Vec<AnyElement> {
2880 self.editor.update(cx, |editor, cx| {
2881 breakpoints
2882 .into_iter()
2883 .filter_map(|(display_row, (text_anchor, bp, state))| {
2884 if row_infos
2885 .get((display_row.0.saturating_sub(range.start.0)) as usize)
2886 .is_some_and(|row_info| {
2887 row_info.expand_info.is_some()
2888 || row_info
2889 .diff_status
2890 .is_some_and(|status| status.is_deleted())
2891 })
2892 {
2893 return None;
2894 }
2895
2896 if range.start > display_row || range.end < display_row {
2897 return None;
2898 }
2899
2900 let row =
2901 MultiBufferRow(DisplayPoint::new(display_row, 0).to_point(snapshot).row);
2902 if snapshot.is_line_folded(row) {
2903 return None;
2904 }
2905
2906 let button = editor.render_breakpoint(text_anchor, display_row, &bp, state, cx);
2907
2908 let button = prepaint_gutter_button(
2909 button,
2910 display_row,
2911 line_height,
2912 gutter_dimensions,
2913 scroll_position,
2914 gutter_hitbox,
2915 display_hunks,
2916 window,
2917 cx,
2918 );
2919 Some(button)
2920 })
2921 .collect_vec()
2922 })
2923 }
2924
2925 #[allow(clippy::too_many_arguments)]
2926 fn layout_run_indicators(
2927 &self,
2928 line_height: Pixels,
2929 range: Range<DisplayRow>,
2930 row_infos: &[RowInfo],
2931 scroll_position: gpui::Point<ScrollOffset>,
2932 gutter_dimensions: &GutterDimensions,
2933 gutter_hitbox: &Hitbox,
2934 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2935 snapshot: &EditorSnapshot,
2936 breakpoints: &mut HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2937 window: &mut Window,
2938 cx: &mut App,
2939 ) -> Vec<AnyElement> {
2940 self.editor.update(cx, |editor, cx| {
2941 let active_task_indicator_row =
2942 // TODO: add edit button on the right side of each row in the context menu
2943 if let Some(crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2944 deployed_from,
2945 actions,
2946 ..
2947 })) = editor.context_menu.borrow().as_ref()
2948 {
2949 actions
2950 .tasks()
2951 .map(|tasks| tasks.position.to_display_point(snapshot).row())
2952 .or_else(|| match deployed_from {
2953 Some(CodeActionSource::Indicator(row)) => Some(*row),
2954 _ => None,
2955 })
2956 } else {
2957 None
2958 };
2959
2960 let offset_range_start =
2961 snapshot.display_point_to_point(DisplayPoint::new(range.start, 0), Bias::Left);
2962
2963 let offset_range_end =
2964 snapshot.display_point_to_point(DisplayPoint::new(range.end, 0), Bias::Right);
2965
2966 editor
2967 .tasks
2968 .iter()
2969 .filter_map(|(_, tasks)| {
2970 let multibuffer_point = tasks.offset.to_point(&snapshot.buffer_snapshot());
2971 if multibuffer_point < offset_range_start
2972 || multibuffer_point > offset_range_end
2973 {
2974 return None;
2975 }
2976 let multibuffer_row = MultiBufferRow(multibuffer_point.row);
2977 let buffer_folded = snapshot
2978 .buffer_snapshot()
2979 .buffer_line_for_row(multibuffer_row)
2980 .map(|(buffer_snapshot, _)| buffer_snapshot.remote_id())
2981 .map(|buffer_id| editor.is_buffer_folded(buffer_id, cx))
2982 .unwrap_or(false);
2983 if buffer_folded {
2984 return None;
2985 }
2986
2987 if snapshot.is_line_folded(multibuffer_row) {
2988 // Skip folded indicators, unless it's the starting line of a fold.
2989 if multibuffer_row
2990 .0
2991 .checked_sub(1)
2992 .is_some_and(|previous_row| {
2993 snapshot.is_line_folded(MultiBufferRow(previous_row))
2994 })
2995 {
2996 return None;
2997 }
2998 }
2999
3000 let display_row = multibuffer_point.to_display_point(snapshot).row();
3001 if !range.contains(&display_row) {
3002 return None;
3003 }
3004 if row_infos
3005 .get((display_row - range.start).0 as usize)
3006 .is_some_and(|row_info| row_info.expand_info.is_some())
3007 {
3008 return None;
3009 }
3010
3011 let button = editor.render_run_indicator(
3012 &self.style,
3013 Some(display_row) == active_task_indicator_row,
3014 display_row,
3015 breakpoints.remove(&display_row),
3016 cx,
3017 );
3018
3019 let button = prepaint_gutter_button(
3020 button,
3021 display_row,
3022 line_height,
3023 gutter_dimensions,
3024 scroll_position,
3025 gutter_hitbox,
3026 display_hunks,
3027 window,
3028 cx,
3029 );
3030 Some(button)
3031 })
3032 .collect_vec()
3033 })
3034 }
3035
3036 fn layout_expand_toggles(
3037 &self,
3038 gutter_hitbox: &Hitbox,
3039 gutter_dimensions: GutterDimensions,
3040 em_width: Pixels,
3041 line_height: Pixels,
3042 scroll_position: gpui::Point<ScrollOffset>,
3043 buffer_rows: &[RowInfo],
3044 window: &mut Window,
3045 cx: &mut App,
3046 ) -> Vec<Option<(AnyElement, gpui::Point<Pixels>)>> {
3047 if self.editor.read(cx).disable_expand_excerpt_buttons {
3048 return vec![];
3049 }
3050
3051 let editor_font_size = self.style.text.font_size.to_pixels(window.rem_size()) * 1.2;
3052
3053 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
3054
3055 let max_line_number_length = self
3056 .editor
3057 .read(cx)
3058 .buffer()
3059 .read(cx)
3060 .snapshot(cx)
3061 .widest_line_number()
3062 .ilog10()
3063 + 1;
3064
3065 let git_gutter_width = Self::gutter_strip_width(line_height)
3066 + gutter_dimensions
3067 .git_blame_entries_width
3068 .unwrap_or_default();
3069 let available_width = gutter_dimensions.left_padding - git_gutter_width;
3070
3071 buffer_rows
3072 .iter()
3073 .enumerate()
3074 .map(|(ix, row_info)| {
3075 let ExpandInfo {
3076 excerpt_id,
3077 direction,
3078 } = row_info.expand_info?;
3079
3080 let icon_name = match direction {
3081 ExpandExcerptDirection::Up => IconName::ExpandUp,
3082 ExpandExcerptDirection::Down => IconName::ExpandDown,
3083 ExpandExcerptDirection::UpAndDown => IconName::ExpandVertical,
3084 };
3085
3086 let editor = self.editor.clone();
3087 let is_wide = max_line_number_length
3088 >= EditorSettings::get_global(cx).gutter.min_line_number_digits as u32
3089 && row_info
3090 .buffer_row
3091 .is_some_and(|row| (row + 1).ilog10() + 1 == max_line_number_length)
3092 || gutter_dimensions.right_padding == px(0.);
3093
3094 let width = if is_wide {
3095 available_width - px(2.)
3096 } else {
3097 available_width + em_width - px(2.)
3098 };
3099
3100 let toggle = IconButton::new(("expand", ix), icon_name)
3101 .icon_color(Color::Custom(cx.theme().colors().editor_line_number))
3102 .selected_icon_color(Color::Custom(cx.theme().colors().editor_foreground))
3103 .icon_size(IconSize::Custom(rems(editor_font_size / window.rem_size())))
3104 .width(width)
3105 .on_click(move |_, window, cx| {
3106 editor.update(cx, |editor, cx| {
3107 editor.expand_excerpt(excerpt_id, direction, window, cx);
3108 });
3109 })
3110 .tooltip(Tooltip::for_action_title(
3111 "Expand Excerpt",
3112 &crate::actions::ExpandExcerpts::default(),
3113 ))
3114 .into_any_element();
3115
3116 let position = point(
3117 git_gutter_width + px(1.),
3118 ix as f32 * line_height
3119 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height))
3120 + px(1.),
3121 );
3122 let origin = gutter_hitbox.origin + position;
3123
3124 Some((toggle, origin))
3125 })
3126 .collect()
3127 }
3128
3129 fn calculate_relative_line_numbers(
3130 &self,
3131 snapshot: &EditorSnapshot,
3132 rows: &Range<DisplayRow>,
3133 relative_to: Option<DisplayRow>,
3134 ) -> HashMap<DisplayRow, DisplayRowDelta> {
3135 let mut relative_rows: HashMap<DisplayRow, DisplayRowDelta> = Default::default();
3136 let Some(relative_to) = relative_to else {
3137 return relative_rows;
3138 };
3139
3140 let start = rows.start.min(relative_to);
3141 let end = rows.end.max(relative_to);
3142
3143 let buffer_rows = snapshot
3144 .row_infos(start)
3145 .take(1 + end.minus(start) as usize)
3146 .collect::<Vec<_>>();
3147
3148 let head_idx = relative_to.minus(start);
3149 let mut delta = 1;
3150 let mut i = head_idx + 1;
3151 while i < buffer_rows.len() as u32 {
3152 if buffer_rows[i as usize].buffer_row.is_some() {
3153 if rows.contains(&DisplayRow(i + start.0)) {
3154 relative_rows.insert(DisplayRow(i + start.0), delta);
3155 }
3156 delta += 1;
3157 }
3158 i += 1;
3159 }
3160 delta = 1;
3161 i = head_idx.min(buffer_rows.len() as u32 - 1);
3162 while i > 0 && buffer_rows[i as usize].buffer_row.is_none() {
3163 i -= 1;
3164 }
3165
3166 while i > 0 {
3167 i -= 1;
3168 if buffer_rows[i as usize].buffer_row.is_some() {
3169 if rows.contains(&DisplayRow(i + start.0)) {
3170 relative_rows.insert(DisplayRow(i + start.0), delta);
3171 }
3172 delta += 1;
3173 }
3174 }
3175
3176 relative_rows
3177 }
3178
3179 fn layout_line_numbers(
3180 &self,
3181 gutter_hitbox: Option<&Hitbox>,
3182 gutter_dimensions: GutterDimensions,
3183 line_height: Pixels,
3184 scroll_position: gpui::Point<ScrollOffset>,
3185 rows: Range<DisplayRow>,
3186 buffer_rows: &[RowInfo],
3187 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3188 newest_selection_head: Option<DisplayPoint>,
3189 snapshot: &EditorSnapshot,
3190 window: &mut Window,
3191 cx: &mut App,
3192 ) -> Arc<HashMap<MultiBufferRow, LineNumberLayout>> {
3193 let include_line_numbers = snapshot
3194 .show_line_numbers
3195 .unwrap_or_else(|| EditorSettings::get_global(cx).gutter.line_numbers);
3196 if !include_line_numbers {
3197 return Arc::default();
3198 }
3199
3200 let (newest_selection_head, is_relative) = self.editor.update(cx, |editor, cx| {
3201 let newest_selection_head = newest_selection_head.unwrap_or_else(|| {
3202 let newest = editor
3203 .selections
3204 .newest::<Point>(&editor.display_snapshot(cx));
3205 SelectionLayout::new(
3206 newest,
3207 editor.selections.line_mode(),
3208 editor.cursor_shape,
3209 &snapshot.display_snapshot,
3210 true,
3211 true,
3212 None,
3213 )
3214 .head
3215 });
3216 let is_relative = editor.should_use_relative_line_numbers(cx);
3217 (newest_selection_head, is_relative)
3218 });
3219
3220 let relative_to = if is_relative {
3221 Some(newest_selection_head.row())
3222 } else {
3223 None
3224 };
3225 let relative_rows = self.calculate_relative_line_numbers(snapshot, &rows, relative_to);
3226 let mut line_number = String::new();
3227 let line_numbers = buffer_rows
3228 .iter()
3229 .enumerate()
3230 .flat_map(|(ix, row_info)| {
3231 let display_row = DisplayRow(rows.start.0 + ix as u32);
3232 line_number.clear();
3233 let non_relative_number = row_info.buffer_row? + 1;
3234 let number = relative_rows
3235 .get(&display_row)
3236 .unwrap_or(&non_relative_number);
3237 write!(&mut line_number, "{number}").unwrap();
3238 if row_info
3239 .diff_status
3240 .is_some_and(|status| status.is_deleted())
3241 {
3242 return None;
3243 }
3244
3245 let color = active_rows
3246 .get(&display_row)
3247 .map(|spec| {
3248 if spec.breakpoint {
3249 cx.theme().colors().debugger_accent
3250 } else {
3251 cx.theme().colors().editor_active_line_number
3252 }
3253 })
3254 .unwrap_or_else(|| cx.theme().colors().editor_line_number);
3255 let shaped_line =
3256 self.shape_line_number(SharedString::from(&line_number), color, window);
3257 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
3258 let line_origin = gutter_hitbox.map(|hitbox| {
3259 hitbox.origin
3260 + point(
3261 hitbox.size.width - shaped_line.width - gutter_dimensions.right_padding,
3262 ix as f32 * line_height
3263 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height)),
3264 )
3265 });
3266
3267 #[cfg(not(test))]
3268 let hitbox = line_origin.map(|line_origin| {
3269 window.insert_hitbox(
3270 Bounds::new(line_origin, size(shaped_line.width, line_height)),
3271 HitboxBehavior::Normal,
3272 )
3273 });
3274 #[cfg(test)]
3275 let hitbox = {
3276 let _ = line_origin;
3277 None
3278 };
3279
3280 let multi_buffer_row = DisplayPoint::new(display_row, 0).to_point(snapshot).row;
3281 let multi_buffer_row = MultiBufferRow(multi_buffer_row);
3282 let line_number = LineNumberLayout {
3283 shaped_line,
3284 hitbox,
3285 };
3286 Some((multi_buffer_row, line_number))
3287 })
3288 .collect();
3289 Arc::new(line_numbers)
3290 }
3291
3292 fn layout_crease_toggles(
3293 &self,
3294 rows: Range<DisplayRow>,
3295 row_infos: &[RowInfo],
3296 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3297 snapshot: &EditorSnapshot,
3298 window: &mut Window,
3299 cx: &mut App,
3300 ) -> Vec<Option<AnyElement>> {
3301 let include_fold_statuses = EditorSettings::get_global(cx).gutter.folds
3302 && snapshot.mode.is_full()
3303 && self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
3304 if include_fold_statuses {
3305 row_infos
3306 .iter()
3307 .enumerate()
3308 .map(|(ix, info)| {
3309 if info.expand_info.is_some() {
3310 return None;
3311 }
3312 let row = info.multibuffer_row?;
3313 let display_row = DisplayRow(rows.start.0 + ix as u32);
3314 let active = active_rows.contains_key(&display_row);
3315
3316 snapshot.render_crease_toggle(row, active, self.editor.clone(), window, cx)
3317 })
3318 .collect()
3319 } else {
3320 Vec::new()
3321 }
3322 }
3323
3324 fn layout_crease_trailers(
3325 &self,
3326 buffer_rows: impl IntoIterator<Item = RowInfo>,
3327 snapshot: &EditorSnapshot,
3328 window: &mut Window,
3329 cx: &mut App,
3330 ) -> Vec<Option<AnyElement>> {
3331 buffer_rows
3332 .into_iter()
3333 .map(|row_info| {
3334 if row_info.expand_info.is_some() {
3335 return None;
3336 }
3337 if let Some(row) = row_info.multibuffer_row {
3338 snapshot.render_crease_trailer(row, window, cx)
3339 } else {
3340 None
3341 }
3342 })
3343 .collect()
3344 }
3345
3346 fn bg_segments_per_row(
3347 rows: Range<DisplayRow>,
3348 selections: &[(PlayerColor, Vec<SelectionLayout>)],
3349 highlight_ranges: &[(Range<DisplayPoint>, Hsla)],
3350 base_background: Hsla,
3351 ) -> Vec<Vec<(Range<DisplayPoint>, Hsla)>> {
3352 if rows.start >= rows.end {
3353 return Vec::new();
3354 }
3355 if !base_background.is_opaque() {
3356 // We don't actually know what color is behind this editor.
3357 return Vec::new();
3358 }
3359 let highlight_iter = highlight_ranges.iter().cloned();
3360 let selection_iter = selections.iter().flat_map(|(player_color, layouts)| {
3361 let color = player_color.selection;
3362 layouts.iter().filter_map(move |selection_layout| {
3363 if selection_layout.range.start != selection_layout.range.end {
3364 Some((selection_layout.range.clone(), color))
3365 } else {
3366 None
3367 }
3368 })
3369 });
3370 let mut per_row_map = vec![Vec::new(); rows.len()];
3371 for (range, color) in highlight_iter.chain(selection_iter) {
3372 let covered_rows = if range.end.column() == 0 {
3373 cmp::max(range.start.row(), rows.start)..cmp::min(range.end.row(), rows.end)
3374 } else {
3375 cmp::max(range.start.row(), rows.start)
3376 ..cmp::min(range.end.row().next_row(), rows.end)
3377 };
3378 for row in covered_rows.iter_rows() {
3379 let seg_start = if row == range.start.row() {
3380 range.start
3381 } else {
3382 DisplayPoint::new(row, 0)
3383 };
3384 let seg_end = if row == range.end.row() && range.end.column() != 0 {
3385 range.end
3386 } else {
3387 DisplayPoint::new(row, u32::MAX)
3388 };
3389 let ix = row.minus(rows.start) as usize;
3390 debug_assert!(row >= rows.start && row < rows.end);
3391 debug_assert!(ix < per_row_map.len());
3392 per_row_map[ix].push((seg_start..seg_end, color));
3393 }
3394 }
3395 for row_segments in per_row_map.iter_mut() {
3396 if row_segments.is_empty() {
3397 continue;
3398 }
3399 let segments = mem::take(row_segments);
3400 let merged = Self::merge_overlapping_ranges(segments, base_background);
3401 *row_segments = merged;
3402 }
3403 per_row_map
3404 }
3405
3406 /// Merge overlapping ranges by splitting at all range boundaries and blending colors where
3407 /// multiple ranges overlap. The result contains non-overlapping ranges ordered from left to right.
3408 ///
3409 /// Expects `start.row() == end.row()` for each range.
3410 fn merge_overlapping_ranges(
3411 ranges: Vec<(Range<DisplayPoint>, Hsla)>,
3412 base_background: Hsla,
3413 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
3414 struct Boundary {
3415 pos: DisplayPoint,
3416 is_start: bool,
3417 index: usize,
3418 color: Hsla,
3419 }
3420
3421 let mut boundaries: SmallVec<[Boundary; 16]> = SmallVec::with_capacity(ranges.len() * 2);
3422 for (index, (range, color)) in ranges.iter().enumerate() {
3423 debug_assert!(
3424 range.start.row() == range.end.row(),
3425 "expects single-row ranges"
3426 );
3427 if range.start < range.end {
3428 boundaries.push(Boundary {
3429 pos: range.start,
3430 is_start: true,
3431 index,
3432 color: *color,
3433 });
3434 boundaries.push(Boundary {
3435 pos: range.end,
3436 is_start: false,
3437 index,
3438 color: *color,
3439 });
3440 }
3441 }
3442
3443 if boundaries.is_empty() {
3444 return Vec::new();
3445 }
3446
3447 boundaries
3448 .sort_unstable_by(|a, b| a.pos.cmp(&b.pos).then_with(|| a.is_start.cmp(&b.is_start)));
3449
3450 let mut processed_ranges: Vec<(Range<DisplayPoint>, Hsla)> = Vec::new();
3451 let mut active_ranges: SmallVec<[(usize, Hsla); 8]> = SmallVec::new();
3452
3453 let mut i = 0;
3454 let mut start_pos = boundaries[0].pos;
3455
3456 let boundaries_len = boundaries.len();
3457 while i < boundaries_len {
3458 let current_boundary_pos = boundaries[i].pos;
3459 if start_pos < current_boundary_pos {
3460 if !active_ranges.is_empty() {
3461 let mut color = base_background;
3462 for &(_, c) in &active_ranges {
3463 color = Hsla::blend(color, c);
3464 }
3465 if let Some((last_range, last_color)) = processed_ranges.last_mut() {
3466 if *last_color == color && last_range.end == start_pos {
3467 last_range.end = current_boundary_pos;
3468 } else {
3469 processed_ranges.push((start_pos..current_boundary_pos, color));
3470 }
3471 } else {
3472 processed_ranges.push((start_pos..current_boundary_pos, color));
3473 }
3474 }
3475 }
3476 while i < boundaries_len && boundaries[i].pos == current_boundary_pos {
3477 let active_range = &boundaries[i];
3478 if active_range.is_start {
3479 let idx = active_range.index;
3480 let pos = active_ranges
3481 .binary_search_by_key(&idx, |(i, _)| *i)
3482 .unwrap_or_else(|p| p);
3483 active_ranges.insert(pos, (idx, active_range.color));
3484 } else {
3485 let idx = active_range.index;
3486 if let Ok(pos) = active_ranges.binary_search_by_key(&idx, |(i, _)| *i) {
3487 active_ranges.remove(pos);
3488 }
3489 }
3490 i += 1;
3491 }
3492 start_pos = current_boundary_pos;
3493 }
3494
3495 processed_ranges
3496 }
3497
3498 fn layout_lines(
3499 rows: Range<DisplayRow>,
3500 snapshot: &EditorSnapshot,
3501 style: &EditorStyle,
3502 editor_width: Pixels,
3503 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3504 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
3505 window: &mut Window,
3506 cx: &mut App,
3507 ) -> Vec<LineWithInvisibles> {
3508 if rows.start >= rows.end {
3509 return Vec::new();
3510 }
3511
3512 // Show the placeholder when the editor is empty
3513 if snapshot.is_empty() {
3514 let font_size = style.text.font_size.to_pixels(window.rem_size());
3515 let placeholder_color = cx.theme().colors().text_placeholder;
3516 let placeholder_text = snapshot.placeholder_text();
3517
3518 let placeholder_lines = placeholder_text
3519 .as_ref()
3520 .map_or(Vec::new(), |text| text.split('\n').collect::<Vec<_>>());
3521
3522 let placeholder_line_count = placeholder_lines.len();
3523
3524 placeholder_lines
3525 .into_iter()
3526 .skip(rows.start.0 as usize)
3527 .chain(iter::repeat(""))
3528 .take(cmp::max(rows.len(), placeholder_line_count))
3529 .map(move |line| {
3530 let run = TextRun {
3531 len: line.len(),
3532 font: style.text.font(),
3533 color: placeholder_color,
3534 background_color: None,
3535 underline: None,
3536 strikethrough: None,
3537 };
3538 let line = window.text_system().shape_line(
3539 line.to_string().into(),
3540 font_size,
3541 &[run],
3542 None,
3543 );
3544 LineWithInvisibles {
3545 width: line.width,
3546 len: line.len,
3547 fragments: smallvec![LineFragment::Text(line)],
3548 invisibles: Vec::new(),
3549 font_size,
3550 }
3551 })
3552 .collect()
3553 } else {
3554 let chunks = snapshot.highlighted_chunks(rows.clone(), true, style);
3555 LineWithInvisibles::from_chunks(
3556 chunks,
3557 style,
3558 MAX_LINE_LEN,
3559 rows.len(),
3560 &snapshot.mode,
3561 editor_width,
3562 is_row_soft_wrapped,
3563 bg_segments_per_row,
3564 window,
3565 cx,
3566 )
3567 }
3568 }
3569
3570 fn prepaint_lines(
3571 &self,
3572 start_row: DisplayRow,
3573 line_layouts: &mut [LineWithInvisibles],
3574 line_height: Pixels,
3575 scroll_position: gpui::Point<ScrollOffset>,
3576 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
3577 content_origin: gpui::Point<Pixels>,
3578 window: &mut Window,
3579 cx: &mut App,
3580 ) -> SmallVec<[AnyElement; 1]> {
3581 let mut line_elements = SmallVec::new();
3582 for (ix, line) in line_layouts.iter_mut().enumerate() {
3583 let row = start_row + DisplayRow(ix as u32);
3584 line.prepaint(
3585 line_height,
3586 scroll_position,
3587 scroll_pixel_position,
3588 row,
3589 content_origin,
3590 &mut line_elements,
3591 window,
3592 cx,
3593 );
3594 }
3595 line_elements
3596 }
3597
3598 fn render_block(
3599 &self,
3600 block: &Block,
3601 available_width: AvailableSpace,
3602 block_id: BlockId,
3603 block_row_start: DisplayRow,
3604 snapshot: &EditorSnapshot,
3605 text_x: Pixels,
3606 rows: &Range<DisplayRow>,
3607 line_layouts: &[LineWithInvisibles],
3608 editor_margins: &EditorMargins,
3609 line_height: Pixels,
3610 em_width: Pixels,
3611 text_hitbox: &Hitbox,
3612 editor_width: Pixels,
3613 scroll_width: &mut Pixels,
3614 resized_blocks: &mut HashMap<CustomBlockId, u32>,
3615 row_block_types: &mut HashMap<DisplayRow, bool>,
3616 selections: &[Selection<Point>],
3617 selected_buffer_ids: &Vec<BufferId>,
3618 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3619 sticky_header_excerpt_id: Option<ExcerptId>,
3620 window: &mut Window,
3621 cx: &mut App,
3622 ) -> Option<(AnyElement, Size<Pixels>, DisplayRow, Pixels)> {
3623 let mut x_position = None;
3624 let mut element = match block {
3625 Block::Custom(custom) => {
3626 let block_start = custom.start().to_point(&snapshot.buffer_snapshot());
3627 let block_end = custom.end().to_point(&snapshot.buffer_snapshot());
3628 if block.place_near() && snapshot.is_line_folded(MultiBufferRow(block_start.row)) {
3629 return None;
3630 }
3631 let align_to = block_start.to_display_point(snapshot);
3632 let x_and_width = |layout: &LineWithInvisibles| {
3633 Some((
3634 text_x + layout.x_for_index(align_to.column() as usize),
3635 text_x + layout.width,
3636 ))
3637 };
3638 let line_ix = align_to.row().0.checked_sub(rows.start.0);
3639 x_position =
3640 if let Some(layout) = line_ix.and_then(|ix| line_layouts.get(ix as usize)) {
3641 x_and_width(layout)
3642 } else {
3643 x_and_width(&layout_line(
3644 align_to.row(),
3645 snapshot,
3646 &self.style,
3647 editor_width,
3648 is_row_soft_wrapped,
3649 window,
3650 cx,
3651 ))
3652 };
3653
3654 let anchor_x = x_position.unwrap().0;
3655
3656 let selected = selections
3657 .binary_search_by(|selection| {
3658 if selection.end <= block_start {
3659 Ordering::Less
3660 } else if selection.start >= block_end {
3661 Ordering::Greater
3662 } else {
3663 Ordering::Equal
3664 }
3665 })
3666 .is_ok();
3667
3668 div()
3669 .size_full()
3670 .child(custom.render(&mut BlockContext {
3671 window,
3672 app: cx,
3673 anchor_x,
3674 margins: editor_margins,
3675 line_height,
3676 em_width,
3677 block_id,
3678 selected,
3679 max_width: text_hitbox.size.width.max(*scroll_width),
3680 editor_style: &self.style,
3681 }))
3682 .into_any()
3683 }
3684
3685 Block::FoldedBuffer {
3686 first_excerpt,
3687 height,
3688 ..
3689 } => {
3690 let selected = selected_buffer_ids.contains(&first_excerpt.buffer_id);
3691 let result = v_flex().id(block_id).w_full().pr(editor_margins.right);
3692
3693 let jump_data = header_jump_data(snapshot, block_row_start, *height, first_excerpt);
3694 result
3695 .child(self.render_buffer_header(
3696 first_excerpt,
3697 true,
3698 selected,
3699 false,
3700 jump_data,
3701 window,
3702 cx,
3703 ))
3704 .into_any_element()
3705 }
3706
3707 Block::ExcerptBoundary { .. } => {
3708 let color = cx.theme().colors().clone();
3709 let mut result = v_flex().id(block_id).w_full();
3710
3711 result = result.child(
3712 h_flex().relative().child(
3713 div()
3714 .top(line_height / 2.)
3715 .absolute()
3716 .w_full()
3717 .h_px()
3718 .bg(color.border_variant),
3719 ),
3720 );
3721
3722 result.into_any()
3723 }
3724
3725 Block::BufferHeader { excerpt, height } => {
3726 let mut result = v_flex().id(block_id).w_full();
3727
3728 let jump_data = header_jump_data(snapshot, block_row_start, *height, excerpt);
3729
3730 if sticky_header_excerpt_id != Some(excerpt.id) {
3731 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
3732
3733 result = result.child(div().pr(editor_margins.right).child(
3734 self.render_buffer_header(
3735 excerpt, false, selected, false, jump_data, window, cx,
3736 ),
3737 ));
3738 } else {
3739 result =
3740 result.child(div().h(FILE_HEADER_HEIGHT as f32 * window.line_height()));
3741 }
3742
3743 result.into_any()
3744 }
3745 };
3746
3747 // Discover the element's content height, then round up to the nearest multiple of line height.
3748 let preliminary_size = element.layout_as_root(
3749 size(available_width, AvailableSpace::MinContent),
3750 window,
3751 cx,
3752 );
3753 let quantized_height = (preliminary_size.height / line_height).ceil() * line_height;
3754 let final_size = if preliminary_size.height == quantized_height {
3755 preliminary_size
3756 } else {
3757 element.layout_as_root(size(available_width, quantized_height.into()), window, cx)
3758 };
3759 let mut element_height_in_lines = ((final_size.height / line_height).ceil() as u32).max(1);
3760
3761 let mut row = block_row_start;
3762 let mut x_offset = px(0.);
3763 let mut is_block = true;
3764
3765 if let BlockId::Custom(custom_block_id) = block_id
3766 && block.has_height()
3767 {
3768 if block.place_near()
3769 && let Some((x_target, line_width)) = x_position
3770 {
3771 let margin = em_width * 2;
3772 if line_width + final_size.width + margin
3773 < editor_width + editor_margins.gutter.full_width()
3774 && !row_block_types.contains_key(&(row - 1))
3775 && element_height_in_lines == 1
3776 {
3777 x_offset = line_width + margin;
3778 row = row - 1;
3779 is_block = false;
3780 element_height_in_lines = 0;
3781 row_block_types.insert(row, is_block);
3782 } else {
3783 let max_offset =
3784 editor_width + editor_margins.gutter.full_width() - final_size.width;
3785 let min_offset = (x_target + em_width - final_size.width)
3786 .max(editor_margins.gutter.full_width());
3787 x_offset = x_target.min(max_offset).max(min_offset);
3788 }
3789 };
3790 if element_height_in_lines != block.height() {
3791 resized_blocks.insert(custom_block_id, element_height_in_lines);
3792 }
3793 }
3794 for i in 0..element_height_in_lines {
3795 row_block_types.insert(row + i, is_block);
3796 }
3797
3798 Some((element, final_size, row, x_offset))
3799 }
3800
3801 fn render_buffer_header(
3802 &self,
3803 for_excerpt: &ExcerptInfo,
3804 is_folded: bool,
3805 is_selected: bool,
3806 is_sticky: bool,
3807 jump_data: JumpData,
3808 window: &mut Window,
3809 cx: &mut App,
3810 ) -> impl IntoElement {
3811 let editor = self.editor.read(cx);
3812 let multi_buffer = editor.buffer.read(cx);
3813 let file_status = multi_buffer
3814 .all_diff_hunks_expanded()
3815 .then(|| {
3816 editor
3817 .project
3818 .as_ref()?
3819 .read(cx)
3820 .status_for_buffer_id(for_excerpt.buffer_id, cx)
3821 })
3822 .flatten();
3823 let indicator = multi_buffer
3824 .buffer(for_excerpt.buffer_id)
3825 .and_then(|buffer| {
3826 let buffer = buffer.read(cx);
3827 let indicator_color = match (buffer.has_conflict(), buffer.is_dirty()) {
3828 (true, _) => Some(Color::Warning),
3829 (_, true) => Some(Color::Accent),
3830 (false, false) => None,
3831 };
3832 indicator_color.map(|indicator_color| Indicator::dot().color(indicator_color))
3833 });
3834
3835 let include_root = editor
3836 .project
3837 .as_ref()
3838 .map(|project| project.read(cx).visible_worktrees(cx).count() > 1)
3839 .unwrap_or_default();
3840 let file = for_excerpt.buffer.file();
3841 let can_open_excerpts = Editor::can_open_excerpts_in_file(file);
3842 let path_style = file.map(|file| file.path_style(cx));
3843 let relative_path = for_excerpt.buffer.resolve_file_path(include_root, cx);
3844 let (parent_path, filename) = if let Some(path) = &relative_path {
3845 if let Some(path_style) = path_style {
3846 let (dir, file_name) = path_style.split(path);
3847 (dir.map(|dir| dir.to_owned()), Some(file_name.to_owned()))
3848 } else {
3849 (None, Some(path.clone()))
3850 }
3851 } else {
3852 (None, None)
3853 };
3854 let focus_handle = editor.focus_handle(cx);
3855 let colors = cx.theme().colors();
3856
3857 let header = div()
3858 .p_1()
3859 .w_full()
3860 .h(FILE_HEADER_HEIGHT as f32 * window.line_height())
3861 .child(
3862 h_flex()
3863 .size_full()
3864 .gap_2()
3865 .flex_basis(Length::Definite(DefiniteLength::Fraction(0.667)))
3866 .pl_0p5()
3867 .pr_5()
3868 .rounded_sm()
3869 .when(is_sticky, |el| el.shadow_md())
3870 .border_1()
3871 .map(|div| {
3872 let border_color = if is_selected
3873 && is_folded
3874 && focus_handle.contains_focused(window, cx)
3875 {
3876 colors.border_focused
3877 } else {
3878 colors.border
3879 };
3880 div.border_color(border_color)
3881 })
3882 .bg(colors.editor_subheader_background)
3883 .hover(|style| style.bg(colors.element_hover))
3884 .map(|header| {
3885 let editor = self.editor.clone();
3886 let buffer_id = for_excerpt.buffer_id;
3887 let toggle_chevron_icon =
3888 FileIcons::get_chevron_icon(!is_folded, cx).map(Icon::from_path);
3889 header.child(
3890 div()
3891 .hover(|style| style.bg(colors.element_selected))
3892 .rounded_xs()
3893 .child(
3894 ButtonLike::new("toggle-buffer-fold")
3895 .style(ui::ButtonStyle::Transparent)
3896 .height(px(28.).into())
3897 .width(px(28.))
3898 .children(toggle_chevron_icon)
3899 .tooltip({
3900 let focus_handle = focus_handle.clone();
3901 move |window, cx| {
3902 Tooltip::with_meta_in(
3903 "Toggle Excerpt Fold",
3904 Some(&ToggleFold),
3905 format!(
3906 "{} to toggle all",
3907 text_for_keystroke(
3908 &Modifiers::alt(),
3909 "click",
3910 cx
3911 )
3912 ),
3913 &focus_handle,
3914 window,
3915 cx,
3916 )
3917 }
3918 })
3919 .on_click(move |event, window, cx| {
3920 if event.modifiers().alt {
3921 // Alt+click toggles all buffers
3922 editor.update(cx, |editor, cx| {
3923 editor.toggle_fold_all(
3924 &ToggleFoldAll,
3925 window,
3926 cx,
3927 );
3928 });
3929 } else {
3930 // Regular click toggles single buffer
3931 if is_folded {
3932 editor.update(cx, |editor, cx| {
3933 editor.unfold_buffer(buffer_id, cx);
3934 });
3935 } else {
3936 editor.update(cx, |editor, cx| {
3937 editor.fold_buffer(buffer_id, cx);
3938 });
3939 }
3940 }
3941 }),
3942 ),
3943 )
3944 })
3945 .children(
3946 editor
3947 .addons
3948 .values()
3949 .filter_map(|addon| {
3950 addon.render_buffer_header_controls(for_excerpt, window, cx)
3951 })
3952 .take(1),
3953 )
3954 .child(h_flex().size(px(12.0)).justify_center().children(indicator))
3955 .child(
3956 h_flex()
3957 .cursor_pointer()
3958 .id("path header block")
3959 .size_full()
3960 .justify_between()
3961 .overflow_hidden()
3962 .child(
3963 h_flex()
3964 .gap_2()
3965 .map(|path_header| {
3966 let filename = filename
3967 .map(SharedString::from)
3968 .unwrap_or_else(|| "untitled".into());
3969
3970 path_header
3971 .when(ItemSettings::get_global(cx).file_icons, |el| {
3972 let path = path::Path::new(filename.as_str());
3973 let icon = FileIcons::get_icon(path, cx)
3974 .unwrap_or_default();
3975 let icon =
3976 Icon::from_path(icon).color(Color::Muted);
3977 el.child(icon)
3978 })
3979 .child(Label::new(filename).single_line().when_some(
3980 file_status,
3981 |el, status| {
3982 el.color(if status.is_conflicted() {
3983 Color::Conflict
3984 } else if status.is_modified() {
3985 Color::Modified
3986 } else if status.is_deleted() {
3987 Color::Disabled
3988 } else {
3989 Color::Created
3990 })
3991 .when(status.is_deleted(), |el| {
3992 el.strikethrough()
3993 })
3994 },
3995 ))
3996 })
3997 .when_some(parent_path, |then, path| {
3998 then.child(div().child(path).text_color(
3999 if file_status.is_some_and(FileStatus::is_deleted) {
4000 colors.text_disabled
4001 } else {
4002 colors.text_muted
4003 },
4004 ))
4005 }),
4006 )
4007 .when(
4008 can_open_excerpts && is_selected && relative_path.is_some(),
4009 |el| {
4010 el.child(
4011 h_flex()
4012 .id("jump-to-file-button")
4013 .gap_2p5()
4014 .child(Label::new("Jump To File"))
4015 .children(
4016 KeyBinding::for_action_in(
4017 &OpenExcerpts,
4018 &focus_handle,
4019 window,
4020 cx,
4021 )
4022 .map(|binding| binding.into_any_element()),
4023 ),
4024 )
4025 },
4026 )
4027 .on_mouse_down(MouseButton::Left, |_, _, cx| cx.stop_propagation())
4028 .on_click(window.listener_for(&self.editor, {
4029 move |editor, e: &ClickEvent, window, cx| {
4030 editor.open_excerpts_common(
4031 Some(jump_data.clone()),
4032 e.modifiers().secondary(),
4033 window,
4034 cx,
4035 );
4036 }
4037 })),
4038 ),
4039 );
4040
4041 let file = for_excerpt.buffer.file().cloned();
4042 let editor = self.editor.clone();
4043 right_click_menu("buffer-header-context-menu")
4044 .trigger(move |_, _, _| header)
4045 .menu(move |window, cx| {
4046 let menu_context = focus_handle.clone();
4047 let editor = editor.clone();
4048 let file = file.clone();
4049 ContextMenu::build(window, cx, move |mut menu, window, cx| {
4050 if let Some(file) = file
4051 && let Some(project) = editor.read(cx).project()
4052 && let Some(worktree) =
4053 project.read(cx).worktree_for_id(file.worktree_id(cx), cx)
4054 {
4055 let path_style = file.path_style(cx);
4056 let worktree = worktree.read(cx);
4057 let relative_path = file.path();
4058 let entry_for_path = worktree.entry_for_path(relative_path);
4059 let abs_path = entry_for_path.map(|e| {
4060 e.canonical_path.as_deref().map_or_else(
4061 || worktree.absolutize(relative_path),
4062 Path::to_path_buf,
4063 )
4064 });
4065 let has_relative_path = worktree.root_entry().is_some_and(Entry::is_dir);
4066
4067 let parent_abs_path = abs_path
4068 .as_ref()
4069 .and_then(|abs_path| Some(abs_path.parent()?.to_path_buf()));
4070 let relative_path = has_relative_path
4071 .then_some(relative_path)
4072 .map(ToOwned::to_owned);
4073
4074 let visible_in_project_panel =
4075 relative_path.is_some() && worktree.is_visible();
4076 let reveal_in_project_panel = entry_for_path
4077 .filter(|_| visible_in_project_panel)
4078 .map(|entry| entry.id);
4079 menu = menu
4080 .when_some(abs_path, |menu, abs_path| {
4081 menu.entry(
4082 "Copy Path",
4083 Some(Box::new(zed_actions::workspace::CopyPath)),
4084 window.handler_for(&editor, move |_, _, cx| {
4085 cx.write_to_clipboard(ClipboardItem::new_string(
4086 abs_path.to_string_lossy().into_owned(),
4087 ));
4088 }),
4089 )
4090 })
4091 .when_some(relative_path, |menu, relative_path| {
4092 menu.entry(
4093 "Copy Relative Path",
4094 Some(Box::new(zed_actions::workspace::CopyRelativePath)),
4095 window.handler_for(&editor, move |_, _, cx| {
4096 cx.write_to_clipboard(ClipboardItem::new_string(
4097 relative_path.display(path_style).to_string(),
4098 ));
4099 }),
4100 )
4101 })
4102 .when(
4103 reveal_in_project_panel.is_some() || parent_abs_path.is_some(),
4104 |menu| menu.separator(),
4105 )
4106 .when_some(reveal_in_project_panel, |menu, entry_id| {
4107 menu.entry(
4108 "Reveal In Project Panel",
4109 Some(Box::new(RevealInProjectPanel::default())),
4110 window.handler_for(&editor, move |editor, _, cx| {
4111 if let Some(project) = &mut editor.project {
4112 project.update(cx, |_, cx| {
4113 cx.emit(project::Event::RevealInProjectPanel(
4114 entry_id,
4115 ))
4116 });
4117 }
4118 }),
4119 )
4120 })
4121 .when_some(parent_abs_path, |menu, parent_abs_path| {
4122 menu.entry(
4123 "Open in Terminal",
4124 Some(Box::new(OpenInTerminal)),
4125 window.handler_for(&editor, move |_, window, cx| {
4126 window.dispatch_action(
4127 OpenTerminal {
4128 working_directory: parent_abs_path.clone(),
4129 }
4130 .boxed_clone(),
4131 cx,
4132 );
4133 }),
4134 )
4135 });
4136 }
4137
4138 menu.context(menu_context)
4139 })
4140 })
4141 }
4142
4143 fn render_blocks(
4144 &self,
4145 rows: Range<DisplayRow>,
4146 snapshot: &EditorSnapshot,
4147 hitbox: &Hitbox,
4148 text_hitbox: &Hitbox,
4149 editor_width: Pixels,
4150 scroll_width: &mut Pixels,
4151 editor_margins: &EditorMargins,
4152 em_width: Pixels,
4153 text_x: Pixels,
4154 line_height: Pixels,
4155 line_layouts: &mut [LineWithInvisibles],
4156 selections: &[Selection<Point>],
4157 selected_buffer_ids: &Vec<BufferId>,
4158 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
4159 sticky_header_excerpt_id: Option<ExcerptId>,
4160 window: &mut Window,
4161 cx: &mut App,
4162 ) -> Result<(Vec<BlockLayout>, HashMap<DisplayRow, bool>), HashMap<CustomBlockId, u32>> {
4163 let (fixed_blocks, non_fixed_blocks) = snapshot
4164 .blocks_in_range(rows.clone())
4165 .partition::<Vec<_>, _>(|(_, block)| block.style() == BlockStyle::Fixed);
4166
4167 let mut focused_block = self
4168 .editor
4169 .update(cx, |editor, _| editor.take_focused_block());
4170 let mut fixed_block_max_width = Pixels::ZERO;
4171 let mut blocks = Vec::new();
4172 let mut resized_blocks = HashMap::default();
4173 let mut row_block_types = HashMap::default();
4174
4175 for (row, block) in fixed_blocks {
4176 let block_id = block.id();
4177
4178 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4179 focused_block = None;
4180 }
4181
4182 if let Some((element, element_size, row, x_offset)) = self.render_block(
4183 block,
4184 AvailableSpace::MinContent,
4185 block_id,
4186 row,
4187 snapshot,
4188 text_x,
4189 &rows,
4190 line_layouts,
4191 editor_margins,
4192 line_height,
4193 em_width,
4194 text_hitbox,
4195 editor_width,
4196 scroll_width,
4197 &mut resized_blocks,
4198 &mut row_block_types,
4199 selections,
4200 selected_buffer_ids,
4201 is_row_soft_wrapped,
4202 sticky_header_excerpt_id,
4203 window,
4204 cx,
4205 ) {
4206 fixed_block_max_width = fixed_block_max_width.max(element_size.width + em_width);
4207 blocks.push(BlockLayout {
4208 id: block_id,
4209 x_offset,
4210 row: Some(row),
4211 element,
4212 available_space: size(AvailableSpace::MinContent, element_size.height.into()),
4213 style: BlockStyle::Fixed,
4214 overlaps_gutter: true,
4215 is_buffer_header: block.is_buffer_header(),
4216 });
4217 }
4218 }
4219
4220 for (row, block) in non_fixed_blocks {
4221 let style = block.style();
4222 let width = match (style, block.place_near()) {
4223 (_, true) => AvailableSpace::MinContent,
4224 (BlockStyle::Sticky, _) => hitbox.size.width.into(),
4225 (BlockStyle::Flex, _) => hitbox
4226 .size
4227 .width
4228 .max(fixed_block_max_width)
4229 .max(editor_margins.gutter.width + *scroll_width)
4230 .into(),
4231 (BlockStyle::Fixed, _) => unreachable!(),
4232 };
4233 let block_id = block.id();
4234
4235 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4236 focused_block = None;
4237 }
4238
4239 if let Some((element, element_size, row, x_offset)) = self.render_block(
4240 block,
4241 width,
4242 block_id,
4243 row,
4244 snapshot,
4245 text_x,
4246 &rows,
4247 line_layouts,
4248 editor_margins,
4249 line_height,
4250 em_width,
4251 text_hitbox,
4252 editor_width,
4253 scroll_width,
4254 &mut resized_blocks,
4255 &mut row_block_types,
4256 selections,
4257 selected_buffer_ids,
4258 is_row_soft_wrapped,
4259 sticky_header_excerpt_id,
4260 window,
4261 cx,
4262 ) {
4263 blocks.push(BlockLayout {
4264 id: block_id,
4265 x_offset,
4266 row: Some(row),
4267 element,
4268 available_space: size(width, element_size.height.into()),
4269 style,
4270 overlaps_gutter: !block.place_near(),
4271 is_buffer_header: block.is_buffer_header(),
4272 });
4273 }
4274 }
4275
4276 if let Some(focused_block) = focused_block
4277 && let Some(focus_handle) = focused_block.focus_handle.upgrade()
4278 && focus_handle.is_focused(window)
4279 && let Some(block) = snapshot.block_for_id(focused_block.id)
4280 {
4281 let style = block.style();
4282 let width = match style {
4283 BlockStyle::Fixed => AvailableSpace::MinContent,
4284 BlockStyle::Flex => AvailableSpace::Definite(
4285 hitbox
4286 .size
4287 .width
4288 .max(fixed_block_max_width)
4289 .max(editor_margins.gutter.width + *scroll_width),
4290 ),
4291 BlockStyle::Sticky => AvailableSpace::Definite(hitbox.size.width),
4292 };
4293
4294 if let Some((element, element_size, _, x_offset)) = self.render_block(
4295 &block,
4296 width,
4297 focused_block.id,
4298 rows.end,
4299 snapshot,
4300 text_x,
4301 &rows,
4302 line_layouts,
4303 editor_margins,
4304 line_height,
4305 em_width,
4306 text_hitbox,
4307 editor_width,
4308 scroll_width,
4309 &mut resized_blocks,
4310 &mut row_block_types,
4311 selections,
4312 selected_buffer_ids,
4313 is_row_soft_wrapped,
4314 sticky_header_excerpt_id,
4315 window,
4316 cx,
4317 ) {
4318 blocks.push(BlockLayout {
4319 id: block.id(),
4320 x_offset,
4321 row: None,
4322 element,
4323 available_space: size(width, element_size.height.into()),
4324 style,
4325 overlaps_gutter: true,
4326 is_buffer_header: block.is_buffer_header(),
4327 });
4328 }
4329 }
4330
4331 if resized_blocks.is_empty() {
4332 *scroll_width =
4333 (*scroll_width).max(fixed_block_max_width - editor_margins.gutter.width);
4334 Ok((blocks, row_block_types))
4335 } else {
4336 Err(resized_blocks)
4337 }
4338 }
4339
4340 fn layout_blocks(
4341 &self,
4342 blocks: &mut Vec<BlockLayout>,
4343 hitbox: &Hitbox,
4344 line_height: Pixels,
4345 scroll_position: gpui::Point<ScrollOffset>,
4346 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4347 window: &mut Window,
4348 cx: &mut App,
4349 ) {
4350 for block in blocks {
4351 let mut origin = if let Some(row) = block.row {
4352 hitbox.origin
4353 + point(
4354 block.x_offset,
4355 Pixels::from(
4356 (row.as_f64() - scroll_position.y)
4357 * ScrollPixelOffset::from(line_height),
4358 ),
4359 )
4360 } else {
4361 // Position the block outside the visible area
4362 hitbox.origin + point(Pixels::ZERO, hitbox.size.height)
4363 };
4364
4365 if !matches!(block.style, BlockStyle::Sticky) {
4366 origin += point(Pixels::from(-scroll_pixel_position.x), Pixels::ZERO);
4367 }
4368
4369 let focus_handle =
4370 block
4371 .element
4372 .prepaint_as_root(origin, block.available_space, window, cx);
4373
4374 if let Some(focus_handle) = focus_handle {
4375 self.editor.update(cx, |editor, _cx| {
4376 editor.set_focused_block(FocusedBlock {
4377 id: block.id,
4378 focus_handle: focus_handle.downgrade(),
4379 });
4380 });
4381 }
4382 }
4383 }
4384
4385 fn layout_sticky_buffer_header(
4386 &self,
4387 StickyHeaderExcerpt { excerpt }: StickyHeaderExcerpt<'_>,
4388 scroll_position: gpui::Point<ScrollOffset>,
4389 line_height: Pixels,
4390 right_margin: Pixels,
4391 snapshot: &EditorSnapshot,
4392 hitbox: &Hitbox,
4393 selected_buffer_ids: &Vec<BufferId>,
4394 blocks: &[BlockLayout],
4395 window: &mut Window,
4396 cx: &mut App,
4397 ) -> AnyElement {
4398 let jump_data = header_jump_data(
4399 snapshot,
4400 DisplayRow(scroll_position.y as u32),
4401 FILE_HEADER_HEIGHT + MULTI_BUFFER_EXCERPT_HEADER_HEIGHT,
4402 excerpt,
4403 );
4404
4405 let editor_bg_color = cx.theme().colors().editor_background;
4406
4407 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
4408
4409 let available_width = hitbox.bounds.size.width - right_margin;
4410
4411 let mut header = v_flex()
4412 .w_full()
4413 .relative()
4414 .child(
4415 div()
4416 .w(available_width)
4417 .h(FILE_HEADER_HEIGHT as f32 * line_height)
4418 .bg(linear_gradient(
4419 0.,
4420 linear_color_stop(editor_bg_color.opacity(0.), 0.),
4421 linear_color_stop(editor_bg_color, 0.6),
4422 ))
4423 .absolute()
4424 .top_0(),
4425 )
4426 .child(
4427 self.render_buffer_header(excerpt, false, selected, true, jump_data, window, cx)
4428 .into_any_element(),
4429 )
4430 .into_any_element();
4431
4432 let mut origin = hitbox.origin;
4433 // Move floating header up to avoid colliding with the next buffer header.
4434 for block in blocks.iter() {
4435 if !block.is_buffer_header {
4436 continue;
4437 }
4438
4439 let Some(display_row) = block.row.filter(|row| row.0 > scroll_position.y as u32) else {
4440 continue;
4441 };
4442
4443 let max_row = display_row.0.saturating_sub(FILE_HEADER_HEIGHT);
4444 let offset = scroll_position.y - max_row as f64;
4445
4446 if offset > 0.0 {
4447 origin.y -= Pixels::from(offset * ScrollPixelOffset::from(line_height));
4448 }
4449 break;
4450 }
4451
4452 let size = size(
4453 AvailableSpace::Definite(available_width),
4454 AvailableSpace::MinContent,
4455 );
4456
4457 header.prepaint_as_root(origin, size, window, cx);
4458
4459 header
4460 }
4461
4462 fn layout_cursor_popovers(
4463 &self,
4464 line_height: Pixels,
4465 text_hitbox: &Hitbox,
4466 content_origin: gpui::Point<Pixels>,
4467 right_margin: Pixels,
4468 start_row: DisplayRow,
4469 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4470 line_layouts: &[LineWithInvisibles],
4471 cursor: DisplayPoint,
4472 cursor_point: Point,
4473 style: &EditorStyle,
4474 window: &mut Window,
4475 cx: &mut App,
4476 ) -> Option<ContextMenuLayout> {
4477 let mut min_menu_height = Pixels::ZERO;
4478 let mut max_menu_height = Pixels::ZERO;
4479 let mut height_above_menu = Pixels::ZERO;
4480 let height_below_menu = Pixels::ZERO;
4481 let mut edit_prediction_popover_visible = false;
4482 let mut context_menu_visible = false;
4483 let context_menu_placement;
4484
4485 {
4486 let editor = self.editor.read(cx);
4487 if editor.edit_prediction_visible_in_cursor_popover(editor.has_active_edit_prediction())
4488 {
4489 height_above_menu +=
4490 editor.edit_prediction_cursor_popover_height() + POPOVER_Y_PADDING;
4491 edit_prediction_popover_visible = true;
4492 }
4493
4494 if editor.context_menu_visible()
4495 && let Some(crate::ContextMenuOrigin::Cursor) = editor.context_menu_origin()
4496 {
4497 let (min_height_in_lines, max_height_in_lines) = editor
4498 .context_menu_options
4499 .as_ref()
4500 .map_or((3, 12), |options| {
4501 (options.min_entries_visible, options.max_entries_visible)
4502 });
4503
4504 min_menu_height += line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4505 max_menu_height += line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4506 context_menu_visible = true;
4507 }
4508 context_menu_placement = editor
4509 .context_menu_options
4510 .as_ref()
4511 .and_then(|options| options.placement.clone());
4512 }
4513
4514 let visible = edit_prediction_popover_visible || context_menu_visible;
4515 if !visible {
4516 return None;
4517 }
4518
4519 let cursor_row_layout = &line_layouts[cursor.row().minus(start_row) as usize];
4520 let target_position = content_origin
4521 + gpui::Point {
4522 x: cmp::max(
4523 px(0.),
4524 Pixels::from(
4525 ScrollPixelOffset::from(
4526 cursor_row_layout.x_for_index(cursor.column() as usize),
4527 ) - scroll_pixel_position.x,
4528 ),
4529 ),
4530 y: cmp::max(
4531 px(0.),
4532 Pixels::from(
4533 cursor.row().next_row().as_f64() * ScrollPixelOffset::from(line_height)
4534 - scroll_pixel_position.y,
4535 ),
4536 ),
4537 };
4538
4539 let viewport_bounds =
4540 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4541 right: -right_margin - MENU_GAP,
4542 ..Default::default()
4543 });
4544
4545 let min_height = height_above_menu + min_menu_height + height_below_menu;
4546 let max_height = height_above_menu + max_menu_height + height_below_menu;
4547 let (laid_out_popovers, y_flipped) = self.layout_popovers_above_or_below_line(
4548 target_position,
4549 line_height,
4550 min_height,
4551 max_height,
4552 context_menu_placement,
4553 text_hitbox,
4554 viewport_bounds,
4555 window,
4556 cx,
4557 |height, max_width_for_stable_x, y_flipped, window, cx| {
4558 // First layout the menu to get its size - others can be at least this wide.
4559 let context_menu = if context_menu_visible {
4560 let menu_height = if y_flipped {
4561 height - height_below_menu
4562 } else {
4563 height - height_above_menu
4564 };
4565 let mut element = self
4566 .render_context_menu(line_height, menu_height, window, cx)
4567 .expect("Visible context menu should always render.");
4568 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4569 Some((CursorPopoverType::CodeContextMenu, element, size))
4570 } else {
4571 None
4572 };
4573 let min_width = context_menu
4574 .as_ref()
4575 .map_or(px(0.), |(_, _, size)| size.width);
4576 let max_width = max_width_for_stable_x.max(
4577 context_menu
4578 .as_ref()
4579 .map_or(px(0.), |(_, _, size)| size.width),
4580 );
4581
4582 let edit_prediction = if edit_prediction_popover_visible {
4583 self.editor.update(cx, move |editor, cx| {
4584 let accept_binding =
4585 editor.accept_edit_prediction_keybind(false, window, cx);
4586 let mut element = editor.render_edit_prediction_cursor_popover(
4587 min_width,
4588 max_width,
4589 cursor_point,
4590 style,
4591 accept_binding.keystroke(),
4592 window,
4593 cx,
4594 )?;
4595 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4596 Some((CursorPopoverType::EditPrediction, element, size))
4597 })
4598 } else {
4599 None
4600 };
4601 vec![edit_prediction, context_menu]
4602 .into_iter()
4603 .flatten()
4604 .collect::<Vec<_>>()
4605 },
4606 )?;
4607
4608 let (menu_ix, (_, menu_bounds)) = laid_out_popovers
4609 .iter()
4610 .find_position(|(x, _)| matches!(x, CursorPopoverType::CodeContextMenu))?;
4611 let last_ix = laid_out_popovers.len() - 1;
4612 let menu_is_last = menu_ix == last_ix;
4613 let first_popover_bounds = laid_out_popovers[0].1;
4614 let last_popover_bounds = laid_out_popovers[last_ix].1;
4615
4616 // Bounds to layout the aside around. When y_flipped, the aside goes either above or to the
4617 // right, and otherwise it goes below or to the right.
4618 let mut target_bounds = Bounds::from_corners(
4619 first_popover_bounds.origin,
4620 last_popover_bounds.bottom_right(),
4621 );
4622 target_bounds.size.width = menu_bounds.size.width;
4623
4624 // Like `target_bounds`, but with the max height it could occupy. Choosing an aside position
4625 // based on this is preferred for layout stability.
4626 let mut max_target_bounds = target_bounds;
4627 max_target_bounds.size.height = max_height;
4628 if y_flipped {
4629 max_target_bounds.origin.y -= max_height - target_bounds.size.height;
4630 }
4631
4632 // Add spacing around `target_bounds` and `max_target_bounds`.
4633 let mut extend_amount = Edges::all(MENU_GAP);
4634 if y_flipped {
4635 extend_amount.bottom = line_height;
4636 } else {
4637 extend_amount.top = line_height;
4638 }
4639 let target_bounds = target_bounds.extend(extend_amount);
4640 let max_target_bounds = max_target_bounds.extend(extend_amount);
4641
4642 let must_place_above_or_below =
4643 if y_flipped && !menu_is_last && menu_bounds.size.height < max_menu_height {
4644 laid_out_popovers[menu_ix + 1..]
4645 .iter()
4646 .any(|(_, popover_bounds)| popover_bounds.size.width > menu_bounds.size.width)
4647 } else {
4648 false
4649 };
4650
4651 let aside_bounds = self.layout_context_menu_aside(
4652 y_flipped,
4653 *menu_bounds,
4654 target_bounds,
4655 max_target_bounds,
4656 max_menu_height,
4657 must_place_above_or_below,
4658 text_hitbox,
4659 viewport_bounds,
4660 window,
4661 cx,
4662 );
4663
4664 if let Some(menu_bounds) = laid_out_popovers.iter().find_map(|(popover_type, bounds)| {
4665 if matches!(popover_type, CursorPopoverType::CodeContextMenu) {
4666 Some(*bounds)
4667 } else {
4668 None
4669 }
4670 }) {
4671 let bounds = if let Some(aside_bounds) = aside_bounds {
4672 menu_bounds.union(&aside_bounds)
4673 } else {
4674 menu_bounds
4675 };
4676 return Some(ContextMenuLayout { y_flipped, bounds });
4677 }
4678
4679 None
4680 }
4681
4682 fn layout_gutter_menu(
4683 &self,
4684 line_height: Pixels,
4685 text_hitbox: &Hitbox,
4686 content_origin: gpui::Point<Pixels>,
4687 right_margin: Pixels,
4688 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4689 gutter_overshoot: Pixels,
4690 window: &mut Window,
4691 cx: &mut App,
4692 ) {
4693 let editor = self.editor.read(cx);
4694 if !editor.context_menu_visible() {
4695 return;
4696 }
4697 let Some(crate::ContextMenuOrigin::GutterIndicator(gutter_row)) =
4698 editor.context_menu_origin()
4699 else {
4700 return;
4701 };
4702 // Context menu was spawned via a click on a gutter. Ensure it's a bit closer to the
4703 // indicator than just a plain first column of the text field.
4704 let target_position = content_origin
4705 + gpui::Point {
4706 x: -gutter_overshoot,
4707 y: Pixels::from(
4708 gutter_row.next_row().as_f64() * ScrollPixelOffset::from(line_height)
4709 - scroll_pixel_position.y,
4710 ),
4711 };
4712
4713 let (min_height_in_lines, max_height_in_lines) = editor
4714 .context_menu_options
4715 .as_ref()
4716 .map_or((3, 12), |options| {
4717 (options.min_entries_visible, options.max_entries_visible)
4718 });
4719
4720 let min_height = line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4721 let max_height = line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4722 let viewport_bounds =
4723 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4724 right: -right_margin - MENU_GAP,
4725 ..Default::default()
4726 });
4727 self.layout_popovers_above_or_below_line(
4728 target_position,
4729 line_height,
4730 min_height,
4731 max_height,
4732 editor
4733 .context_menu_options
4734 .as_ref()
4735 .and_then(|options| options.placement.clone()),
4736 text_hitbox,
4737 viewport_bounds,
4738 window,
4739 cx,
4740 move |height, _max_width_for_stable_x, _, window, cx| {
4741 let mut element = self
4742 .render_context_menu(line_height, height, window, cx)
4743 .expect("Visible context menu should always render.");
4744 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4745 vec![(CursorPopoverType::CodeContextMenu, element, size)]
4746 },
4747 );
4748 }
4749
4750 fn layout_popovers_above_or_below_line(
4751 &self,
4752 target_position: gpui::Point<Pixels>,
4753 line_height: Pixels,
4754 min_height: Pixels,
4755 max_height: Pixels,
4756 placement: Option<ContextMenuPlacement>,
4757 text_hitbox: &Hitbox,
4758 viewport_bounds: Bounds<Pixels>,
4759 window: &mut Window,
4760 cx: &mut App,
4761 make_sized_popovers: impl FnOnce(
4762 Pixels,
4763 Pixels,
4764 bool,
4765 &mut Window,
4766 &mut App,
4767 ) -> Vec<(CursorPopoverType, AnyElement, Size<Pixels>)>,
4768 ) -> Option<(Vec<(CursorPopoverType, Bounds<Pixels>)>, bool)> {
4769 let text_style = TextStyleRefinement {
4770 line_height: Some(DefiniteLength::Fraction(
4771 BufferLineHeight::Comfortable.value(),
4772 )),
4773 ..Default::default()
4774 };
4775 window.with_text_style(Some(text_style), |window| {
4776 // If the max height won't fit below and there is more space above, put it above the line.
4777 let bottom_y_when_flipped = target_position.y - line_height;
4778 let available_above = bottom_y_when_flipped - text_hitbox.top();
4779 let available_below = text_hitbox.bottom() - target_position.y;
4780 let y_overflows_below = max_height > available_below;
4781 let mut y_flipped = match placement {
4782 Some(ContextMenuPlacement::Above) => true,
4783 Some(ContextMenuPlacement::Below) => false,
4784 None => y_overflows_below && available_above > available_below,
4785 };
4786 let mut height = cmp::min(
4787 max_height,
4788 if y_flipped {
4789 available_above
4790 } else {
4791 available_below
4792 },
4793 );
4794
4795 // If the min height doesn't fit within text bounds, instead fit within the window.
4796 if height < min_height {
4797 let available_above = bottom_y_when_flipped;
4798 let available_below = viewport_bounds.bottom() - target_position.y;
4799 let (y_flipped_override, height_override) = match placement {
4800 Some(ContextMenuPlacement::Above) => {
4801 (true, cmp::min(available_above, min_height))
4802 }
4803 Some(ContextMenuPlacement::Below) => {
4804 (false, cmp::min(available_below, min_height))
4805 }
4806 None => {
4807 if available_below > min_height {
4808 (false, min_height)
4809 } else if available_above > min_height {
4810 (true, min_height)
4811 } else if available_above > available_below {
4812 (true, available_above)
4813 } else {
4814 (false, available_below)
4815 }
4816 }
4817 };
4818 y_flipped = y_flipped_override;
4819 height = height_override;
4820 }
4821
4822 let max_width_for_stable_x = viewport_bounds.right() - target_position.x;
4823
4824 // TODO: Use viewport_bounds.width as a max width so that it doesn't get clipped on the left
4825 // for very narrow windows.
4826 let popovers =
4827 make_sized_popovers(height, max_width_for_stable_x, y_flipped, window, cx);
4828 if popovers.is_empty() {
4829 return None;
4830 }
4831
4832 let max_width = popovers
4833 .iter()
4834 .map(|(_, _, size)| size.width)
4835 .max()
4836 .unwrap_or_default();
4837
4838 let mut current_position = gpui::Point {
4839 // Snap the right edge of the list to the right edge of the window if its horizontal bounds
4840 // overflow. Include space for the scrollbar.
4841 x: target_position
4842 .x
4843 .min((viewport_bounds.right() - max_width).max(Pixels::ZERO)),
4844 y: if y_flipped {
4845 bottom_y_when_flipped
4846 } else {
4847 target_position.y
4848 },
4849 };
4850
4851 let mut laid_out_popovers = popovers
4852 .into_iter()
4853 .map(|(popover_type, element, size)| {
4854 if y_flipped {
4855 current_position.y -= size.height;
4856 }
4857 let position = current_position;
4858 window.defer_draw(element, current_position, 1);
4859 if !y_flipped {
4860 current_position.y += size.height + MENU_GAP;
4861 } else {
4862 current_position.y -= MENU_GAP;
4863 }
4864 (popover_type, Bounds::new(position, size))
4865 })
4866 .collect::<Vec<_>>();
4867
4868 if y_flipped {
4869 laid_out_popovers.reverse();
4870 }
4871
4872 Some((laid_out_popovers, y_flipped))
4873 })
4874 }
4875
4876 fn layout_context_menu_aside(
4877 &self,
4878 y_flipped: bool,
4879 menu_bounds: Bounds<Pixels>,
4880 target_bounds: Bounds<Pixels>,
4881 max_target_bounds: Bounds<Pixels>,
4882 max_height: Pixels,
4883 must_place_above_or_below: bool,
4884 text_hitbox: &Hitbox,
4885 viewport_bounds: Bounds<Pixels>,
4886 window: &mut Window,
4887 cx: &mut App,
4888 ) -> Option<Bounds<Pixels>> {
4889 let available_within_viewport = target_bounds.space_within(&viewport_bounds);
4890 let positioned_aside = if available_within_viewport.right >= MENU_ASIDE_MIN_WIDTH
4891 && !must_place_above_or_below
4892 {
4893 let max_width = cmp::min(
4894 available_within_viewport.right - px(1.),
4895 MENU_ASIDE_MAX_WIDTH,
4896 );
4897 let mut aside = self.render_context_menu_aside(
4898 size(max_width, max_height - POPOVER_Y_PADDING),
4899 window,
4900 cx,
4901 )?;
4902 let size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4903 let right_position = point(target_bounds.right(), menu_bounds.origin.y);
4904 Some((aside, right_position, size))
4905 } else {
4906 let max_size = size(
4907 // TODO(mgsloan): Once the menu is bounded by viewport width the bound on viewport
4908 // won't be needed here.
4909 cmp::min(
4910 cmp::max(menu_bounds.size.width - px(2.), MENU_ASIDE_MIN_WIDTH),
4911 viewport_bounds.right(),
4912 ),
4913 cmp::min(
4914 max_height,
4915 cmp::max(
4916 available_within_viewport.top,
4917 available_within_viewport.bottom,
4918 ),
4919 ) - POPOVER_Y_PADDING,
4920 );
4921 let mut aside = self.render_context_menu_aside(max_size, window, cx)?;
4922 let actual_size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4923
4924 let top_position = point(
4925 menu_bounds.origin.x,
4926 target_bounds.top() - actual_size.height,
4927 );
4928 let bottom_position = point(menu_bounds.origin.x, target_bounds.bottom());
4929
4930 let fit_within = |available: Edges<Pixels>, wanted: Size<Pixels>| {
4931 // Prefer to fit on the same side of the line as the menu, then on the other side of
4932 // the line.
4933 if !y_flipped && wanted.height < available.bottom {
4934 Some(bottom_position)
4935 } else if !y_flipped && wanted.height < available.top {
4936 Some(top_position)
4937 } else if y_flipped && wanted.height < available.top {
4938 Some(top_position)
4939 } else if y_flipped && wanted.height < available.bottom {
4940 Some(bottom_position)
4941 } else {
4942 None
4943 }
4944 };
4945
4946 // Prefer choosing a direction using max sizes rather than actual size for stability.
4947 let available_within_text = max_target_bounds.space_within(&text_hitbox.bounds);
4948 let wanted = size(MENU_ASIDE_MAX_WIDTH, max_height);
4949 let aside_position = fit_within(available_within_text, wanted)
4950 // Fallback: fit max size in window.
4951 .or_else(|| fit_within(max_target_bounds.space_within(&viewport_bounds), wanted))
4952 // Fallback: fit actual size in window.
4953 .or_else(|| fit_within(available_within_viewport, actual_size));
4954
4955 aside_position.map(|position| (aside, position, actual_size))
4956 };
4957
4958 // Skip drawing if it doesn't fit anywhere.
4959 if let Some((aside, position, size)) = positioned_aside {
4960 let aside_bounds = Bounds::new(position, size);
4961 window.defer_draw(aside, position, 2);
4962 return Some(aside_bounds);
4963 }
4964
4965 None
4966 }
4967
4968 fn render_context_menu(
4969 &self,
4970 line_height: Pixels,
4971 height: Pixels,
4972 window: &mut Window,
4973 cx: &mut App,
4974 ) -> Option<AnyElement> {
4975 let max_height_in_lines = ((height - POPOVER_Y_PADDING) / line_height).floor() as u32;
4976 self.editor.update(cx, |editor, cx| {
4977 editor.render_context_menu(&self.style, max_height_in_lines, window, cx)
4978 })
4979 }
4980
4981 fn render_context_menu_aside(
4982 &self,
4983 max_size: Size<Pixels>,
4984 window: &mut Window,
4985 cx: &mut App,
4986 ) -> Option<AnyElement> {
4987 if max_size.width < px(100.) || max_size.height < px(12.) {
4988 None
4989 } else {
4990 self.editor.update(cx, |editor, cx| {
4991 editor.render_context_menu_aside(max_size, window, cx)
4992 })
4993 }
4994 }
4995
4996 fn layout_mouse_context_menu(
4997 &self,
4998 editor_snapshot: &EditorSnapshot,
4999 visible_range: Range<DisplayRow>,
5000 content_origin: gpui::Point<Pixels>,
5001 window: &mut Window,
5002 cx: &mut App,
5003 ) -> Option<AnyElement> {
5004 let position = self.editor.update(cx, |editor, _cx| {
5005 let visible_start_point = editor.display_to_pixel_point(
5006 DisplayPoint::new(visible_range.start, 0),
5007 editor_snapshot,
5008 window,
5009 )?;
5010 let visible_end_point = editor.display_to_pixel_point(
5011 DisplayPoint::new(visible_range.end, 0),
5012 editor_snapshot,
5013 window,
5014 )?;
5015
5016 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
5017 let (source_display_point, position) = match mouse_context_menu.position {
5018 MenuPosition::PinnedToScreen(point) => (None, point),
5019 MenuPosition::PinnedToEditor { source, offset } => {
5020 let source_display_point = source.to_display_point(editor_snapshot);
5021 let source_point = editor.to_pixel_point(source, editor_snapshot, window)?;
5022 let position = content_origin + source_point + offset;
5023 (Some(source_display_point), position)
5024 }
5025 };
5026
5027 let source_included = source_display_point.is_none_or(|source_display_point| {
5028 visible_range
5029 .to_inclusive()
5030 .contains(&source_display_point.row())
5031 });
5032 let position_included =
5033 visible_start_point.y <= position.y && position.y <= visible_end_point.y;
5034 if !source_included && !position_included {
5035 None
5036 } else {
5037 Some(position)
5038 }
5039 })?;
5040
5041 let text_style = TextStyleRefinement {
5042 line_height: Some(DefiniteLength::Fraction(
5043 BufferLineHeight::Comfortable.value(),
5044 )),
5045 ..Default::default()
5046 };
5047 window.with_text_style(Some(text_style), |window| {
5048 let mut element = self.editor.read_with(cx, |editor, _| {
5049 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
5050 let context_menu = mouse_context_menu.context_menu.clone();
5051
5052 Some(
5053 deferred(
5054 anchored()
5055 .position(position)
5056 .child(context_menu)
5057 .anchor(Corner::TopLeft)
5058 .snap_to_window_with_margin(px(8.)),
5059 )
5060 .with_priority(1)
5061 .into_any(),
5062 )
5063 })?;
5064
5065 element.prepaint_as_root(position, AvailableSpace::min_size(), window, cx);
5066 Some(element)
5067 })
5068 }
5069
5070 fn layout_hover_popovers(
5071 &self,
5072 snapshot: &EditorSnapshot,
5073 hitbox: &Hitbox,
5074 visible_display_row_range: Range<DisplayRow>,
5075 content_origin: gpui::Point<Pixels>,
5076 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5077 line_layouts: &[LineWithInvisibles],
5078 line_height: Pixels,
5079 em_width: Pixels,
5080 context_menu_layout: Option<ContextMenuLayout>,
5081 window: &mut Window,
5082 cx: &mut App,
5083 ) {
5084 struct MeasuredHoverPopover {
5085 element: AnyElement,
5086 size: Size<Pixels>,
5087 horizontal_offset: Pixels,
5088 }
5089
5090 let max_size = size(
5091 (120. * em_width) // Default size
5092 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5093 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5094 (16. * line_height) // Default size
5095 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5096 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5097 );
5098
5099 let hover_popovers = self.editor.update(cx, |editor, cx| {
5100 editor.hover_state.render(
5101 snapshot,
5102 visible_display_row_range.clone(),
5103 max_size,
5104 window,
5105 cx,
5106 )
5107 });
5108 let Some((position, hover_popovers)) = hover_popovers else {
5109 return;
5110 };
5111
5112 // This is safe because we check on layout whether the required row is available
5113 let hovered_row_layout =
5114 &line_layouts[position.row().minus(visible_display_row_range.start) as usize];
5115
5116 // Compute Hovered Point
5117 let x = hovered_row_layout.x_for_index(position.column() as usize)
5118 - Pixels::from(scroll_pixel_position.x);
5119 let y = Pixels::from(
5120 position.row().as_f64() * ScrollPixelOffset::from(line_height)
5121 - scroll_pixel_position.y,
5122 );
5123 let hovered_point = content_origin + point(x, y);
5124
5125 let mut overall_height = Pixels::ZERO;
5126 let mut measured_hover_popovers = Vec::new();
5127 for (position, mut hover_popover) in hover_popovers.into_iter().with_position() {
5128 let size = hover_popover.layout_as_root(AvailableSpace::min_size(), window, cx);
5129 let horizontal_offset =
5130 (hitbox.top_right().x - POPOVER_RIGHT_OFFSET - (hovered_point.x + size.width))
5131 .min(Pixels::ZERO);
5132 match position {
5133 itertools::Position::Middle | itertools::Position::Last => {
5134 overall_height += HOVER_POPOVER_GAP
5135 }
5136 _ => {}
5137 }
5138 overall_height += size.height;
5139 measured_hover_popovers.push(MeasuredHoverPopover {
5140 element: hover_popover,
5141 size,
5142 horizontal_offset,
5143 });
5144 }
5145
5146 fn draw_occluder(
5147 width: Pixels,
5148 origin: gpui::Point<Pixels>,
5149 window: &mut Window,
5150 cx: &mut App,
5151 ) {
5152 let mut occlusion = div()
5153 .size_full()
5154 .occlude()
5155 .on_mouse_move(|_, _, cx| cx.stop_propagation())
5156 .into_any_element();
5157 occlusion.layout_as_root(size(width, HOVER_POPOVER_GAP).into(), window, cx);
5158 window.defer_draw(occlusion, origin, 2);
5159 }
5160
5161 fn place_popovers_above(
5162 hovered_point: gpui::Point<Pixels>,
5163 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5164 window: &mut Window,
5165 cx: &mut App,
5166 ) {
5167 let mut current_y = hovered_point.y;
5168 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5169 let size = popover.size;
5170 let popover_origin = point(
5171 hovered_point.x + popover.horizontal_offset,
5172 current_y - size.height,
5173 );
5174
5175 window.defer_draw(popover.element, popover_origin, 2);
5176 if position != itertools::Position::Last {
5177 let origin = point(popover_origin.x, popover_origin.y - HOVER_POPOVER_GAP);
5178 draw_occluder(size.width, origin, window, cx);
5179 }
5180
5181 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5182 }
5183 }
5184
5185 fn place_popovers_below(
5186 hovered_point: gpui::Point<Pixels>,
5187 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5188 line_height: Pixels,
5189 window: &mut Window,
5190 cx: &mut App,
5191 ) {
5192 let mut current_y = hovered_point.y + line_height;
5193 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5194 let size = popover.size;
5195 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5196
5197 window.defer_draw(popover.element, popover_origin, 2);
5198 if position != itertools::Position::Last {
5199 let origin = point(popover_origin.x, popover_origin.y + size.height);
5200 draw_occluder(size.width, origin, window, cx);
5201 }
5202
5203 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5204 }
5205 }
5206
5207 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5208 context_menu_layout
5209 .as_ref()
5210 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5211 };
5212
5213 let can_place_above = {
5214 let mut bounds_above = Vec::new();
5215 let mut current_y = hovered_point.y;
5216 for popover in &measured_hover_popovers {
5217 let size = popover.size;
5218 let popover_origin = point(
5219 hovered_point.x + popover.horizontal_offset,
5220 current_y - size.height,
5221 );
5222 bounds_above.push(Bounds::new(popover_origin, size));
5223 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5224 }
5225 bounds_above
5226 .iter()
5227 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5228 };
5229
5230 let can_place_below = || {
5231 let mut bounds_below = Vec::new();
5232 let mut current_y = hovered_point.y + line_height;
5233 for popover in &measured_hover_popovers {
5234 let size = popover.size;
5235 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5236 bounds_below.push(Bounds::new(popover_origin, size));
5237 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5238 }
5239 bounds_below
5240 .iter()
5241 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5242 };
5243
5244 if can_place_above {
5245 // try placing above hovered point
5246 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5247 } else if can_place_below() {
5248 // try placing below hovered point
5249 place_popovers_below(
5250 hovered_point,
5251 measured_hover_popovers,
5252 line_height,
5253 window,
5254 cx,
5255 );
5256 } else {
5257 // try to place popovers around the context menu
5258 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5259 let total_width = measured_hover_popovers
5260 .iter()
5261 .map(|p| p.size.width)
5262 .max()
5263 .unwrap_or(Pixels::ZERO);
5264 let y_for_horizontal_positioning = if menu.y_flipped {
5265 menu.bounds.bottom() - overall_height
5266 } else {
5267 menu.bounds.top()
5268 };
5269 let possible_origins = vec![
5270 // left of context menu
5271 point(
5272 menu.bounds.left() - total_width - HOVER_POPOVER_GAP,
5273 y_for_horizontal_positioning,
5274 ),
5275 // right of context menu
5276 point(
5277 menu.bounds.right() + HOVER_POPOVER_GAP,
5278 y_for_horizontal_positioning,
5279 ),
5280 // top of context menu
5281 point(
5282 menu.bounds.left(),
5283 menu.bounds.top() - overall_height - HOVER_POPOVER_GAP,
5284 ),
5285 // bottom of context menu
5286 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5287 ];
5288 possible_origins.into_iter().find(|&origin| {
5289 Bounds::new(origin, size(total_width, overall_height))
5290 .is_contained_within(hitbox)
5291 })
5292 });
5293 if let Some(origin) = origin_surrounding_menu {
5294 let mut current_y = origin.y;
5295 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5296 let size = popover.size;
5297 let popover_origin = point(origin.x, current_y);
5298
5299 window.defer_draw(popover.element, popover_origin, 2);
5300 if position != itertools::Position::Last {
5301 let origin = point(popover_origin.x, popover_origin.y + size.height);
5302 draw_occluder(size.width, origin, window, cx);
5303 }
5304
5305 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5306 }
5307 } else {
5308 // fallback to existing above/below cursor logic
5309 // this might overlap menu or overflow in rare case
5310 if can_place_above {
5311 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5312 } else {
5313 place_popovers_below(
5314 hovered_point,
5315 measured_hover_popovers,
5316 line_height,
5317 window,
5318 cx,
5319 );
5320 }
5321 }
5322 }
5323 }
5324
5325 fn layout_diff_hunk_controls(
5326 &self,
5327 row_range: Range<DisplayRow>,
5328 row_infos: &[RowInfo],
5329 text_hitbox: &Hitbox,
5330 newest_cursor_position: Option<DisplayPoint>,
5331 line_height: Pixels,
5332 right_margin: Pixels,
5333 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5334 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
5335 highlighted_rows: &BTreeMap<DisplayRow, LineHighlight>,
5336 editor: Entity<Editor>,
5337 window: &mut Window,
5338 cx: &mut App,
5339 ) -> (Vec<AnyElement>, Vec<(DisplayRow, Bounds<Pixels>)>) {
5340 let render_diff_hunk_controls = editor.read(cx).render_diff_hunk_controls.clone();
5341 let hovered_diff_hunk_row = editor.read(cx).hovered_diff_hunk_row;
5342
5343 let mut controls = vec![];
5344 let mut control_bounds = vec![];
5345
5346 let active_positions = [
5347 hovered_diff_hunk_row.map(|row| DisplayPoint::new(row, 0)),
5348 newest_cursor_position,
5349 ];
5350
5351 for (hunk, _) in display_hunks {
5352 if let DisplayDiffHunk::Unfolded {
5353 display_row_range,
5354 multi_buffer_range,
5355 status,
5356 is_created_file,
5357 ..
5358 } = &hunk
5359 {
5360 if display_row_range.start < row_range.start
5361 || display_row_range.start >= row_range.end
5362 {
5363 continue;
5364 }
5365 if highlighted_rows
5366 .get(&display_row_range.start)
5367 .and_then(|highlight| highlight.type_id)
5368 .is_some_and(|type_id| {
5369 [
5370 TypeId::of::<ConflictsOuter>(),
5371 TypeId::of::<ConflictsOursMarker>(),
5372 TypeId::of::<ConflictsOurs>(),
5373 TypeId::of::<ConflictsTheirs>(),
5374 TypeId::of::<ConflictsTheirsMarker>(),
5375 ]
5376 .contains(&type_id)
5377 })
5378 {
5379 continue;
5380 }
5381 let row_ix = (display_row_range.start - row_range.start).0 as usize;
5382 if row_infos[row_ix].diff_status.is_none() {
5383 continue;
5384 }
5385 if row_infos[row_ix]
5386 .diff_status
5387 .is_some_and(|status| status.is_added())
5388 && !status.is_added()
5389 {
5390 continue;
5391 }
5392
5393 if active_positions
5394 .iter()
5395 .any(|p| p.is_some_and(|p| display_row_range.contains(&p.row())))
5396 {
5397 let y = (display_row_range.start.as_f64()
5398 * ScrollPixelOffset::from(line_height)
5399 + ScrollPixelOffset::from(text_hitbox.bounds.top())
5400 - scroll_pixel_position.y)
5401 .into();
5402
5403 let mut element = render_diff_hunk_controls(
5404 display_row_range.start.0,
5405 status,
5406 multi_buffer_range.clone(),
5407 *is_created_file,
5408 line_height,
5409 &editor,
5410 window,
5411 cx,
5412 );
5413 let size =
5414 element.layout_as_root(size(px(100.0), line_height).into(), window, cx);
5415
5416 let x = text_hitbox.bounds.right() - right_margin - px(10.) - size.width;
5417
5418 let bounds = Bounds::new(gpui::Point::new(x, y), size);
5419 control_bounds.push((display_row_range.start, bounds));
5420
5421 window.with_absolute_element_offset(gpui::Point::new(x, y), |window| {
5422 element.prepaint(window, cx)
5423 });
5424 controls.push(element);
5425 }
5426 }
5427 }
5428
5429 (controls, control_bounds)
5430 }
5431
5432 fn layout_signature_help(
5433 &self,
5434 hitbox: &Hitbox,
5435 content_origin: gpui::Point<Pixels>,
5436 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5437 newest_selection_head: Option<DisplayPoint>,
5438 start_row: DisplayRow,
5439 line_layouts: &[LineWithInvisibles],
5440 line_height: Pixels,
5441 em_width: Pixels,
5442 context_menu_layout: Option<ContextMenuLayout>,
5443 window: &mut Window,
5444 cx: &mut App,
5445 ) {
5446 if !self.editor.focus_handle(cx).is_focused(window) {
5447 return;
5448 }
5449 let Some(newest_selection_head) = newest_selection_head else {
5450 return;
5451 };
5452
5453 let max_size = size(
5454 (120. * em_width) // Default size
5455 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5456 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5457 (16. * line_height) // Default size
5458 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5459 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5460 );
5461
5462 let maybe_element = self.editor.update(cx, |editor, cx| {
5463 if let Some(popover) = editor.signature_help_state.popover_mut() {
5464 let element = popover.render(max_size, window, cx);
5465 Some(element)
5466 } else {
5467 None
5468 }
5469 });
5470 let Some(mut element) = maybe_element else {
5471 return;
5472 };
5473
5474 let selection_row = newest_selection_head.row();
5475 let Some(cursor_row_layout) = (selection_row >= start_row)
5476 .then(|| line_layouts.get(selection_row.minus(start_row) as usize))
5477 .flatten()
5478 else {
5479 return;
5480 };
5481
5482 let target_x = cursor_row_layout.x_for_index(newest_selection_head.column() as usize)
5483 - Pixels::from(scroll_pixel_position.x);
5484 let target_y = Pixels::from(
5485 selection_row.as_f64() * ScrollPixelOffset::from(line_height) - scroll_pixel_position.y,
5486 );
5487 let target_point = content_origin + point(target_x, target_y);
5488
5489 let actual_size = element.layout_as_root(Size::<AvailableSpace>::default(), window, cx);
5490
5491 let (popover_bounds_above, popover_bounds_below) = {
5492 let horizontal_offset = (hitbox.top_right().x
5493 - POPOVER_RIGHT_OFFSET
5494 - (target_point.x + actual_size.width))
5495 .min(Pixels::ZERO);
5496 let initial_x = target_point.x + horizontal_offset;
5497 (
5498 Bounds::new(
5499 point(initial_x, target_point.y - actual_size.height),
5500 actual_size,
5501 ),
5502 Bounds::new(
5503 point(initial_x, target_point.y + line_height + HOVER_POPOVER_GAP),
5504 actual_size,
5505 ),
5506 )
5507 };
5508
5509 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5510 context_menu_layout
5511 .as_ref()
5512 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5513 };
5514
5515 let final_origin = if popover_bounds_above.is_contained_within(hitbox)
5516 && !intersects_menu(popover_bounds_above)
5517 {
5518 // try placing above cursor
5519 popover_bounds_above.origin
5520 } else if popover_bounds_below.is_contained_within(hitbox)
5521 && !intersects_menu(popover_bounds_below)
5522 {
5523 // try placing below cursor
5524 popover_bounds_below.origin
5525 } else {
5526 // try surrounding context menu if exists
5527 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5528 let y_for_horizontal_positioning = if menu.y_flipped {
5529 menu.bounds.bottom() - actual_size.height
5530 } else {
5531 menu.bounds.top()
5532 };
5533 let possible_origins = vec![
5534 // left of context menu
5535 point(
5536 menu.bounds.left() - actual_size.width - HOVER_POPOVER_GAP,
5537 y_for_horizontal_positioning,
5538 ),
5539 // right of context menu
5540 point(
5541 menu.bounds.right() + HOVER_POPOVER_GAP,
5542 y_for_horizontal_positioning,
5543 ),
5544 // top of context menu
5545 point(
5546 menu.bounds.left(),
5547 menu.bounds.top() - actual_size.height - HOVER_POPOVER_GAP,
5548 ),
5549 // bottom of context menu
5550 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5551 ];
5552 possible_origins
5553 .into_iter()
5554 .find(|&origin| Bounds::new(origin, actual_size).is_contained_within(hitbox))
5555 });
5556 origin_surrounding_menu.unwrap_or_else(|| {
5557 // fallback to existing above/below cursor logic
5558 // this might overlap menu or overflow in rare case
5559 if popover_bounds_above.is_contained_within(hitbox) {
5560 popover_bounds_above.origin
5561 } else {
5562 popover_bounds_below.origin
5563 }
5564 })
5565 };
5566
5567 window.defer_draw(element, final_origin, 2);
5568 }
5569
5570 fn paint_background(&self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
5571 window.paint_layer(layout.hitbox.bounds, |window| {
5572 let scroll_top = layout.position_map.snapshot.scroll_position().y;
5573 let gutter_bg = cx.theme().colors().editor_gutter_background;
5574 window.paint_quad(fill(layout.gutter_hitbox.bounds, gutter_bg));
5575 window.paint_quad(fill(
5576 layout.position_map.text_hitbox.bounds,
5577 self.style.background,
5578 ));
5579
5580 if matches!(
5581 layout.mode,
5582 EditorMode::Full { .. } | EditorMode::Minimap { .. }
5583 ) {
5584 let show_active_line_background = match layout.mode {
5585 EditorMode::Full {
5586 show_active_line_background,
5587 ..
5588 } => show_active_line_background,
5589 EditorMode::Minimap { .. } => true,
5590 _ => false,
5591 };
5592 let mut active_rows = layout.active_rows.iter().peekable();
5593 while let Some((start_row, contains_non_empty_selection)) = active_rows.next() {
5594 let mut end_row = start_row.0;
5595 while active_rows
5596 .peek()
5597 .is_some_and(|(active_row, has_selection)| {
5598 active_row.0 == end_row + 1
5599 && has_selection.selection == contains_non_empty_selection.selection
5600 })
5601 {
5602 active_rows.next().unwrap();
5603 end_row += 1;
5604 }
5605
5606 if show_active_line_background && !contains_non_empty_selection.selection {
5607 let highlight_h_range =
5608 match layout.position_map.snapshot.current_line_highlight {
5609 CurrentLineHighlight::Gutter => Some(Range {
5610 start: layout.hitbox.left(),
5611 end: layout.gutter_hitbox.right(),
5612 }),
5613 CurrentLineHighlight::Line => Some(Range {
5614 start: layout.position_map.text_hitbox.bounds.left(),
5615 end: layout.position_map.text_hitbox.bounds.right(),
5616 }),
5617 CurrentLineHighlight::All => Some(Range {
5618 start: layout.hitbox.left(),
5619 end: layout.hitbox.right(),
5620 }),
5621 CurrentLineHighlight::None => None,
5622 };
5623 if let Some(range) = highlight_h_range {
5624 let active_line_bg = cx.theme().colors().editor_active_line_background;
5625 let bounds = Bounds {
5626 origin: point(
5627 range.start,
5628 layout.hitbox.origin.y
5629 + Pixels::from(
5630 (start_row.as_f64() - scroll_top)
5631 * ScrollPixelOffset::from(
5632 layout.position_map.line_height,
5633 ),
5634 ),
5635 ),
5636 size: size(
5637 range.end - range.start,
5638 layout.position_map.line_height
5639 * (end_row - start_row.0 + 1) as f32,
5640 ),
5641 };
5642 window.paint_quad(fill(bounds, active_line_bg));
5643 }
5644 }
5645 }
5646
5647 let mut paint_highlight = |highlight_row_start: DisplayRow,
5648 highlight_row_end: DisplayRow,
5649 highlight: crate::LineHighlight,
5650 edges| {
5651 let mut origin_x = layout.hitbox.left();
5652 let mut width = layout.hitbox.size.width;
5653 if !highlight.include_gutter {
5654 origin_x += layout.gutter_hitbox.size.width;
5655 width -= layout.gutter_hitbox.size.width;
5656 }
5657
5658 let origin = point(
5659 origin_x,
5660 layout.hitbox.origin.y
5661 + Pixels::from(
5662 (highlight_row_start.as_f64() - scroll_top)
5663 * ScrollPixelOffset::from(layout.position_map.line_height),
5664 ),
5665 );
5666 let size = size(
5667 width,
5668 layout.position_map.line_height
5669 * highlight_row_end.next_row().minus(highlight_row_start) as f32,
5670 );
5671 let mut quad = fill(Bounds { origin, size }, highlight.background);
5672 if let Some(border_color) = highlight.border {
5673 quad.border_color = border_color;
5674 quad.border_widths = edges
5675 }
5676 window.paint_quad(quad);
5677 };
5678
5679 let mut current_paint: Option<(LineHighlight, Range<DisplayRow>, Edges<Pixels>)> =
5680 None;
5681 for (&new_row, &new_background) in &layout.highlighted_rows {
5682 match &mut current_paint {
5683 &mut Some((current_background, ref mut current_range, mut edges)) => {
5684 let new_range_started = current_background != new_background
5685 || current_range.end.next_row() != new_row;
5686 if new_range_started {
5687 if current_range.end.next_row() == new_row {
5688 edges.bottom = px(0.);
5689 };
5690 paint_highlight(
5691 current_range.start,
5692 current_range.end,
5693 current_background,
5694 edges,
5695 );
5696 let edges = Edges {
5697 top: if current_range.end.next_row() != new_row {
5698 px(1.)
5699 } else {
5700 px(0.)
5701 },
5702 bottom: px(1.),
5703 ..Default::default()
5704 };
5705 current_paint = Some((new_background, new_row..new_row, edges));
5706 continue;
5707 } else {
5708 current_range.end = current_range.end.next_row();
5709 }
5710 }
5711 None => {
5712 let edges = Edges {
5713 top: px(1.),
5714 bottom: px(1.),
5715 ..Default::default()
5716 };
5717 current_paint = Some((new_background, new_row..new_row, edges))
5718 }
5719 };
5720 }
5721 if let Some((color, range, edges)) = current_paint {
5722 paint_highlight(range.start, range.end, color, edges);
5723 }
5724
5725 for (guide_x, active) in layout.wrap_guides.iter() {
5726 let color = if *active {
5727 cx.theme().colors().editor_active_wrap_guide
5728 } else {
5729 cx.theme().colors().editor_wrap_guide
5730 };
5731 window.paint_quad(fill(
5732 Bounds {
5733 origin: point(*guide_x, layout.position_map.text_hitbox.origin.y),
5734 size: size(px(1.), layout.position_map.text_hitbox.size.height),
5735 },
5736 color,
5737 ));
5738 }
5739 }
5740 })
5741 }
5742
5743 fn paint_indent_guides(
5744 &mut self,
5745 layout: &mut EditorLayout,
5746 window: &mut Window,
5747 cx: &mut App,
5748 ) {
5749 let Some(indent_guides) = &layout.indent_guides else {
5750 return;
5751 };
5752
5753 let faded_color = |color: Hsla, alpha: f32| {
5754 let mut faded = color;
5755 faded.a = alpha;
5756 faded
5757 };
5758
5759 for indent_guide in indent_guides {
5760 let indent_accent_colors = cx.theme().accents().color_for_index(indent_guide.depth);
5761 let settings = &indent_guide.settings;
5762
5763 // TODO fixed for now, expose them through themes later
5764 const INDENT_AWARE_ALPHA: f32 = 0.2;
5765 const INDENT_AWARE_ACTIVE_ALPHA: f32 = 0.4;
5766 const INDENT_AWARE_BACKGROUND_ALPHA: f32 = 0.1;
5767 const INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA: f32 = 0.2;
5768
5769 let line_color = match (settings.coloring, indent_guide.active) {
5770 (IndentGuideColoring::Disabled, _) => None,
5771 (IndentGuideColoring::Fixed, false) => {
5772 Some(cx.theme().colors().editor_indent_guide)
5773 }
5774 (IndentGuideColoring::Fixed, true) => {
5775 Some(cx.theme().colors().editor_indent_guide_active)
5776 }
5777 (IndentGuideColoring::IndentAware, false) => {
5778 Some(faded_color(indent_accent_colors, INDENT_AWARE_ALPHA))
5779 }
5780 (IndentGuideColoring::IndentAware, true) => {
5781 Some(faded_color(indent_accent_colors, INDENT_AWARE_ACTIVE_ALPHA))
5782 }
5783 };
5784
5785 let background_color = match (settings.background_coloring, indent_guide.active) {
5786 (IndentGuideBackgroundColoring::Disabled, _) => None,
5787 (IndentGuideBackgroundColoring::IndentAware, false) => Some(faded_color(
5788 indent_accent_colors,
5789 INDENT_AWARE_BACKGROUND_ALPHA,
5790 )),
5791 (IndentGuideBackgroundColoring::IndentAware, true) => Some(faded_color(
5792 indent_accent_colors,
5793 INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA,
5794 )),
5795 };
5796
5797 let requested_line_width = if indent_guide.active {
5798 settings.active_line_width
5799 } else {
5800 settings.line_width
5801 }
5802 .clamp(1, 10);
5803 let mut line_indicator_width = 0.;
5804 if let Some(color) = line_color {
5805 window.paint_quad(fill(
5806 Bounds {
5807 origin: indent_guide.origin,
5808 size: size(px(requested_line_width as f32), indent_guide.length),
5809 },
5810 color,
5811 ));
5812 line_indicator_width = requested_line_width as f32;
5813 }
5814
5815 if let Some(color) = background_color {
5816 let width = indent_guide.single_indent_width - px(line_indicator_width);
5817 window.paint_quad(fill(
5818 Bounds {
5819 origin: point(
5820 indent_guide.origin.x + px(line_indicator_width),
5821 indent_guide.origin.y,
5822 ),
5823 size: size(width, indent_guide.length),
5824 },
5825 color,
5826 ));
5827 }
5828 }
5829 }
5830
5831 fn paint_line_numbers(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5832 let is_singleton = self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
5833
5834 let line_height = layout.position_map.line_height;
5835 window.set_cursor_style(CursorStyle::Arrow, &layout.gutter_hitbox);
5836
5837 for LineNumberLayout {
5838 shaped_line,
5839 hitbox,
5840 } in layout.line_numbers.values()
5841 {
5842 let Some(hitbox) = hitbox else {
5843 continue;
5844 };
5845
5846 let Some(()) = (if !is_singleton && hitbox.is_hovered(window) {
5847 let color = cx.theme().colors().editor_hover_line_number;
5848
5849 let line = self.shape_line_number(shaped_line.text.clone(), color, window);
5850 line.paint(hitbox.origin, line_height, window, cx).log_err()
5851 } else {
5852 shaped_line
5853 .paint(hitbox.origin, line_height, window, cx)
5854 .log_err()
5855 }) else {
5856 continue;
5857 };
5858
5859 // In singleton buffers, we select corresponding lines on the line number click, so use | -like cursor.
5860 // In multi buffers, we open file at the line number clicked, so use a pointing hand cursor.
5861 if is_singleton {
5862 window.set_cursor_style(CursorStyle::IBeam, hitbox);
5863 } else {
5864 window.set_cursor_style(CursorStyle::PointingHand, hitbox);
5865 }
5866 }
5867 }
5868
5869 fn paint_gutter_diff_hunks(layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5870 if layout.display_hunks.is_empty() {
5871 return;
5872 }
5873
5874 let line_height = layout.position_map.line_height;
5875 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5876 for (hunk, hitbox) in &layout.display_hunks {
5877 let hunk_to_paint = match hunk {
5878 DisplayDiffHunk::Folded { .. } => {
5879 let hunk_bounds = Self::diff_hunk_bounds(
5880 &layout.position_map.snapshot,
5881 line_height,
5882 layout.gutter_hitbox.bounds,
5883 hunk,
5884 );
5885 Some((
5886 hunk_bounds,
5887 cx.theme().colors().version_control_modified,
5888 Corners::all(px(0.)),
5889 DiffHunkStatus::modified_none(),
5890 ))
5891 }
5892 DisplayDiffHunk::Unfolded {
5893 status,
5894 display_row_range,
5895 ..
5896 } => hitbox.as_ref().map(|hunk_hitbox| match status.kind {
5897 DiffHunkStatusKind::Added => (
5898 hunk_hitbox.bounds,
5899 cx.theme().colors().version_control_added,
5900 Corners::all(px(0.)),
5901 *status,
5902 ),
5903 DiffHunkStatusKind::Modified => (
5904 hunk_hitbox.bounds,
5905 cx.theme().colors().version_control_modified,
5906 Corners::all(px(0.)),
5907 *status,
5908 ),
5909 DiffHunkStatusKind::Deleted if !display_row_range.is_empty() => (
5910 hunk_hitbox.bounds,
5911 cx.theme().colors().version_control_deleted,
5912 Corners::all(px(0.)),
5913 *status,
5914 ),
5915 DiffHunkStatusKind::Deleted => (
5916 Bounds::new(
5917 point(
5918 hunk_hitbox.origin.x - hunk_hitbox.size.width,
5919 hunk_hitbox.origin.y,
5920 ),
5921 size(hunk_hitbox.size.width * 2., hunk_hitbox.size.height),
5922 ),
5923 cx.theme().colors().version_control_deleted,
5924 Corners::all(1. * line_height),
5925 *status,
5926 ),
5927 }),
5928 };
5929
5930 if let Some((hunk_bounds, background_color, corner_radii, status)) = hunk_to_paint {
5931 // Flatten the background color with the editor color to prevent
5932 // elements below transparent hunks from showing through
5933 let flattened_background_color = cx
5934 .theme()
5935 .colors()
5936 .editor_background
5937 .blend(background_color);
5938
5939 if !Self::diff_hunk_hollow(status, cx) {
5940 window.paint_quad(quad(
5941 hunk_bounds,
5942 corner_radii,
5943 flattened_background_color,
5944 Edges::default(),
5945 transparent_black(),
5946 BorderStyle::default(),
5947 ));
5948 } else {
5949 let flattened_unstaged_background_color = cx
5950 .theme()
5951 .colors()
5952 .editor_background
5953 .blend(background_color.opacity(0.3));
5954
5955 window.paint_quad(quad(
5956 hunk_bounds,
5957 corner_radii,
5958 flattened_unstaged_background_color,
5959 Edges::all(px(1.0)),
5960 flattened_background_color,
5961 BorderStyle::Solid,
5962 ));
5963 }
5964 }
5965 }
5966 });
5967 }
5968
5969 fn gutter_strip_width(line_height: Pixels) -> Pixels {
5970 (0.275 * line_height).floor()
5971 }
5972
5973 fn diff_hunk_bounds(
5974 snapshot: &EditorSnapshot,
5975 line_height: Pixels,
5976 gutter_bounds: Bounds<Pixels>,
5977 hunk: &DisplayDiffHunk,
5978 ) -> Bounds<Pixels> {
5979 let scroll_position = snapshot.scroll_position();
5980 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
5981 let gutter_strip_width = Self::gutter_strip_width(line_height);
5982
5983 match hunk {
5984 DisplayDiffHunk::Folded { display_row, .. } => {
5985 let start_y = (display_row.as_f64() * ScrollPixelOffset::from(line_height)
5986 - scroll_top)
5987 .into();
5988 let end_y = start_y + line_height;
5989 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
5990 let highlight_size = size(gutter_strip_width, end_y - start_y);
5991 Bounds::new(highlight_origin, highlight_size)
5992 }
5993 DisplayDiffHunk::Unfolded {
5994 display_row_range,
5995 status,
5996 ..
5997 } => {
5998 if status.is_deleted() && display_row_range.is_empty() {
5999 let row = display_row_range.start;
6000
6001 let offset = ScrollPixelOffset::from(line_height / 2.);
6002 let start_y =
6003 (row.as_f64() * ScrollPixelOffset::from(line_height) - offset - scroll_top)
6004 .into();
6005 let end_y = start_y + line_height;
6006
6007 let width = (0.35 * line_height).floor();
6008 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6009 let highlight_size = size(width, end_y - start_y);
6010 Bounds::new(highlight_origin, highlight_size)
6011 } else {
6012 let start_row = display_row_range.start;
6013 let end_row = display_row_range.end;
6014 // If we're in a multibuffer, row range span might include an
6015 // excerpt header, so if we were to draw the marker straight away,
6016 // the hunk might include the rows of that header.
6017 // Making the range inclusive doesn't quite cut it, as we rely on the exclusivity for the soft wrap.
6018 // Instead, we simply check whether the range we're dealing with includes
6019 // any excerpt headers and if so, we stop painting the diff hunk on the first row of that header.
6020 let end_row_in_current_excerpt = snapshot
6021 .blocks_in_range(start_row..end_row)
6022 .find_map(|(start_row, block)| {
6023 if matches!(
6024 block,
6025 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
6026 ) {
6027 Some(start_row)
6028 } else {
6029 None
6030 }
6031 })
6032 .unwrap_or(end_row);
6033
6034 let start_y = (start_row.as_f64() * ScrollPixelOffset::from(line_height)
6035 - scroll_top)
6036 .into();
6037 let end_y = Pixels::from(
6038 end_row_in_current_excerpt.as_f64() * ScrollPixelOffset::from(line_height)
6039 - scroll_top,
6040 );
6041
6042 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6043 let highlight_size = size(gutter_strip_width, end_y - start_y);
6044 Bounds::new(highlight_origin, highlight_size)
6045 }
6046 }
6047 }
6048 }
6049
6050 fn paint_gutter_indicators(
6051 &self,
6052 layout: &mut EditorLayout,
6053 window: &mut Window,
6054 cx: &mut App,
6055 ) {
6056 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6057 window.with_element_namespace("crease_toggles", |window| {
6058 for crease_toggle in layout.crease_toggles.iter_mut().flatten() {
6059 crease_toggle.paint(window, cx);
6060 }
6061 });
6062
6063 window.with_element_namespace("expand_toggles", |window| {
6064 for (expand_toggle, _) in layout.expand_toggles.iter_mut().flatten() {
6065 expand_toggle.paint(window, cx);
6066 }
6067 });
6068
6069 for breakpoint in layout.breakpoints.iter_mut() {
6070 breakpoint.paint(window, cx);
6071 }
6072
6073 for test_indicator in layout.test_indicators.iter_mut() {
6074 test_indicator.paint(window, cx);
6075 }
6076 });
6077 }
6078
6079 fn paint_gutter_highlights(
6080 &self,
6081 layout: &mut EditorLayout,
6082 window: &mut Window,
6083 cx: &mut App,
6084 ) {
6085 for (_, hunk_hitbox) in &layout.display_hunks {
6086 if let Some(hunk_hitbox) = hunk_hitbox
6087 && !self
6088 .editor
6089 .read(cx)
6090 .buffer()
6091 .read(cx)
6092 .all_diff_hunks_expanded()
6093 {
6094 window.set_cursor_style(CursorStyle::PointingHand, hunk_hitbox);
6095 }
6096 }
6097
6098 let show_git_gutter = layout
6099 .position_map
6100 .snapshot
6101 .show_git_diff_gutter
6102 .unwrap_or_else(|| {
6103 matches!(
6104 ProjectSettings::get_global(cx).git.git_gutter,
6105 GitGutterSetting::TrackedFiles
6106 )
6107 });
6108 if show_git_gutter {
6109 Self::paint_gutter_diff_hunks(layout, window, cx)
6110 }
6111
6112 let highlight_width = 0.275 * layout.position_map.line_height;
6113 let highlight_corner_radii = Corners::all(0.05 * layout.position_map.line_height);
6114 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6115 for (range, color) in &layout.highlighted_gutter_ranges {
6116 let start_row = if range.start.row() < layout.visible_display_row_range.start {
6117 layout.visible_display_row_range.start - DisplayRow(1)
6118 } else {
6119 range.start.row()
6120 };
6121 let end_row = if range.end.row() > layout.visible_display_row_range.end {
6122 layout.visible_display_row_range.end + DisplayRow(1)
6123 } else {
6124 range.end.row()
6125 };
6126
6127 let start_y = layout.gutter_hitbox.top()
6128 + Pixels::from(
6129 start_row.0 as f64
6130 * ScrollPixelOffset::from(layout.position_map.line_height)
6131 - layout.position_map.scroll_pixel_position.y,
6132 );
6133 let end_y = layout.gutter_hitbox.top()
6134 + Pixels::from(
6135 (end_row.0 + 1) as f64
6136 * ScrollPixelOffset::from(layout.position_map.line_height)
6137 - layout.position_map.scroll_pixel_position.y,
6138 );
6139 let bounds = Bounds::from_corners(
6140 point(layout.gutter_hitbox.left(), start_y),
6141 point(layout.gutter_hitbox.left() + highlight_width, end_y),
6142 );
6143 window.paint_quad(fill(bounds, *color).corner_radii(highlight_corner_radii));
6144 }
6145 });
6146 }
6147
6148 fn paint_blamed_display_rows(
6149 &self,
6150 layout: &mut EditorLayout,
6151 window: &mut Window,
6152 cx: &mut App,
6153 ) {
6154 let Some(blamed_display_rows) = layout.blamed_display_rows.take() else {
6155 return;
6156 };
6157
6158 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6159 for mut blame_element in blamed_display_rows.into_iter() {
6160 blame_element.paint(window, cx);
6161 }
6162 })
6163 }
6164
6165 fn paint_text(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6166 window.with_content_mask(
6167 Some(ContentMask {
6168 bounds: layout.position_map.text_hitbox.bounds,
6169 }),
6170 |window| {
6171 let editor = self.editor.read(cx);
6172 if editor.mouse_cursor_hidden {
6173 window.set_window_cursor_style(CursorStyle::None);
6174 } else if let SelectionDragState::ReadyToDrag {
6175 mouse_down_time, ..
6176 } = &editor.selection_drag_state
6177 {
6178 let drag_and_drop_delay = Duration::from_millis(
6179 EditorSettings::get_global(cx)
6180 .drag_and_drop_selection
6181 .delay
6182 .0,
6183 );
6184 if mouse_down_time.elapsed() >= drag_and_drop_delay {
6185 window.set_cursor_style(
6186 CursorStyle::DragCopy,
6187 &layout.position_map.text_hitbox,
6188 );
6189 }
6190 } else if matches!(
6191 editor.selection_drag_state,
6192 SelectionDragState::Dragging { .. }
6193 ) {
6194 window
6195 .set_cursor_style(CursorStyle::DragCopy, &layout.position_map.text_hitbox);
6196 } else if editor
6197 .hovered_link_state
6198 .as_ref()
6199 .is_some_and(|hovered_link_state| !hovered_link_state.links.is_empty())
6200 {
6201 window.set_cursor_style(
6202 CursorStyle::PointingHand,
6203 &layout.position_map.text_hitbox,
6204 );
6205 } else {
6206 window.set_cursor_style(CursorStyle::IBeam, &layout.position_map.text_hitbox);
6207 };
6208
6209 self.paint_lines_background(layout, window, cx);
6210 let invisible_display_ranges = self.paint_highlights(layout, window, cx);
6211 self.paint_document_colors(layout, window);
6212 self.paint_lines(&invisible_display_ranges, layout, window, cx);
6213 self.paint_redactions(layout, window);
6214 self.paint_cursors(layout, window, cx);
6215 self.paint_inline_diagnostics(layout, window, cx);
6216 self.paint_inline_blame(layout, window, cx);
6217 self.paint_inline_code_actions(layout, window, cx);
6218 self.paint_diff_hunk_controls(layout, window, cx);
6219 window.with_element_namespace("crease_trailers", |window| {
6220 for trailer in layout.crease_trailers.iter_mut().flatten() {
6221 trailer.element.paint(window, cx);
6222 }
6223 });
6224 },
6225 )
6226 }
6227
6228 fn paint_highlights(
6229 &mut self,
6230 layout: &mut EditorLayout,
6231 window: &mut Window,
6232 cx: &mut App,
6233 ) -> SmallVec<[Range<DisplayPoint>; 32]> {
6234 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6235 let mut invisible_display_ranges = SmallVec::<[Range<DisplayPoint>; 32]>::new();
6236 let line_end_overshoot = 0.15 * layout.position_map.line_height;
6237 for (range, color) in &layout.highlighted_ranges {
6238 self.paint_highlighted_range(
6239 range.clone(),
6240 true,
6241 *color,
6242 Pixels::ZERO,
6243 line_end_overshoot,
6244 layout,
6245 window,
6246 );
6247 }
6248
6249 let corner_radius = if EditorSettings::get_global(cx).rounded_selection {
6250 0.15 * layout.position_map.line_height
6251 } else {
6252 Pixels::ZERO
6253 };
6254
6255 for (player_color, selections) in &layout.selections {
6256 for selection in selections.iter() {
6257 self.paint_highlighted_range(
6258 selection.range.clone(),
6259 true,
6260 player_color.selection,
6261 corner_radius,
6262 corner_radius * 2.,
6263 layout,
6264 window,
6265 );
6266
6267 if selection.is_local && !selection.range.is_empty() {
6268 invisible_display_ranges.push(selection.range.clone());
6269 }
6270 }
6271 }
6272 invisible_display_ranges
6273 })
6274 }
6275
6276 fn paint_lines(
6277 &mut self,
6278 invisible_display_ranges: &[Range<DisplayPoint>],
6279 layout: &mut EditorLayout,
6280 window: &mut Window,
6281 cx: &mut App,
6282 ) {
6283 let whitespace_setting = self
6284 .editor
6285 .read(cx)
6286 .buffer
6287 .read(cx)
6288 .language_settings(cx)
6289 .show_whitespaces;
6290
6291 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6292 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6293 line_with_invisibles.draw(
6294 layout,
6295 row,
6296 layout.content_origin,
6297 whitespace_setting,
6298 invisible_display_ranges,
6299 window,
6300 cx,
6301 )
6302 }
6303
6304 for line_element in &mut layout.line_elements {
6305 line_element.paint(window, cx);
6306 }
6307 }
6308
6309 fn paint_lines_background(
6310 &mut self,
6311 layout: &mut EditorLayout,
6312 window: &mut Window,
6313 cx: &mut App,
6314 ) {
6315 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6316 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6317 line_with_invisibles.draw_background(layout, row, layout.content_origin, window, cx);
6318 }
6319 }
6320
6321 fn paint_redactions(&mut self, layout: &EditorLayout, window: &mut Window) {
6322 if layout.redacted_ranges.is_empty() {
6323 return;
6324 }
6325
6326 let line_end_overshoot = layout.line_end_overshoot();
6327
6328 // A softer than perfect black
6329 let redaction_color = gpui::rgb(0x0e1111);
6330
6331 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6332 for range in layout.redacted_ranges.iter() {
6333 self.paint_highlighted_range(
6334 range.clone(),
6335 true,
6336 redaction_color.into(),
6337 Pixels::ZERO,
6338 line_end_overshoot,
6339 layout,
6340 window,
6341 );
6342 }
6343 });
6344 }
6345
6346 fn paint_document_colors(&self, layout: &mut EditorLayout, window: &mut Window) {
6347 let Some((colors_render_mode, image_colors)) = &layout.document_colors else {
6348 return;
6349 };
6350 if image_colors.is_empty()
6351 || colors_render_mode == &DocumentColorsRenderMode::None
6352 || colors_render_mode == &DocumentColorsRenderMode::Inlay
6353 {
6354 return;
6355 }
6356
6357 let line_end_overshoot = layout.line_end_overshoot();
6358
6359 for (range, color) in image_colors {
6360 match colors_render_mode {
6361 DocumentColorsRenderMode::Inlay | DocumentColorsRenderMode::None => return,
6362 DocumentColorsRenderMode::Background => {
6363 self.paint_highlighted_range(
6364 range.clone(),
6365 true,
6366 *color,
6367 Pixels::ZERO,
6368 line_end_overshoot,
6369 layout,
6370 window,
6371 );
6372 }
6373 DocumentColorsRenderMode::Border => {
6374 self.paint_highlighted_range(
6375 range.clone(),
6376 false,
6377 *color,
6378 Pixels::ZERO,
6379 line_end_overshoot,
6380 layout,
6381 window,
6382 );
6383 }
6384 }
6385 }
6386 }
6387
6388 fn paint_cursors(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6389 for cursor in &mut layout.visible_cursors {
6390 cursor.paint(layout.content_origin, window, cx);
6391 }
6392 }
6393
6394 fn paint_scrollbars(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6395 let Some(scrollbars_layout) = layout.scrollbars_layout.take() else {
6396 return;
6397 };
6398 let any_scrollbar_dragged = self.editor.read(cx).scroll_manager.any_scrollbar_dragged();
6399
6400 for (scrollbar_layout, axis) in scrollbars_layout.iter_scrollbars() {
6401 let hitbox = &scrollbar_layout.hitbox;
6402 if scrollbars_layout.visible {
6403 let scrollbar_edges = match axis {
6404 ScrollbarAxis::Horizontal => Edges {
6405 top: Pixels::ZERO,
6406 right: Pixels::ZERO,
6407 bottom: Pixels::ZERO,
6408 left: Pixels::ZERO,
6409 },
6410 ScrollbarAxis::Vertical => Edges {
6411 top: Pixels::ZERO,
6412 right: Pixels::ZERO,
6413 bottom: Pixels::ZERO,
6414 left: ScrollbarLayout::BORDER_WIDTH,
6415 },
6416 };
6417
6418 window.paint_layer(hitbox.bounds, |window| {
6419 window.paint_quad(quad(
6420 hitbox.bounds,
6421 Corners::default(),
6422 cx.theme().colors().scrollbar_track_background,
6423 scrollbar_edges,
6424 cx.theme().colors().scrollbar_track_border,
6425 BorderStyle::Solid,
6426 ));
6427
6428 if axis == ScrollbarAxis::Vertical {
6429 let fast_markers =
6430 self.collect_fast_scrollbar_markers(layout, scrollbar_layout, cx);
6431 // Refresh slow scrollbar markers in the background. Below, we
6432 // paint whatever markers have already been computed.
6433 self.refresh_slow_scrollbar_markers(layout, scrollbar_layout, window, cx);
6434
6435 let markers = self.editor.read(cx).scrollbar_marker_state.markers.clone();
6436 for marker in markers.iter().chain(&fast_markers) {
6437 let mut marker = marker.clone();
6438 marker.bounds.origin += hitbox.origin;
6439 window.paint_quad(marker);
6440 }
6441 }
6442
6443 if let Some(thumb_bounds) = scrollbar_layout.thumb_bounds {
6444 let scrollbar_thumb_color = match scrollbar_layout.thumb_state {
6445 ScrollbarThumbState::Dragging => {
6446 cx.theme().colors().scrollbar_thumb_active_background
6447 }
6448 ScrollbarThumbState::Hovered => {
6449 cx.theme().colors().scrollbar_thumb_hover_background
6450 }
6451 ScrollbarThumbState::Idle => {
6452 cx.theme().colors().scrollbar_thumb_background
6453 }
6454 };
6455 window.paint_quad(quad(
6456 thumb_bounds,
6457 Corners::default(),
6458 scrollbar_thumb_color,
6459 scrollbar_edges,
6460 cx.theme().colors().scrollbar_thumb_border,
6461 BorderStyle::Solid,
6462 ));
6463
6464 if any_scrollbar_dragged {
6465 window.set_window_cursor_style(CursorStyle::Arrow);
6466 } else {
6467 window.set_cursor_style(CursorStyle::Arrow, hitbox);
6468 }
6469 }
6470 })
6471 }
6472 }
6473
6474 window.on_mouse_event({
6475 let editor = self.editor.clone();
6476 let scrollbars_layout = scrollbars_layout.clone();
6477
6478 let mut mouse_position = window.mouse_position();
6479 move |event: &MouseMoveEvent, phase, window, cx| {
6480 if phase == DispatchPhase::Capture {
6481 return;
6482 }
6483
6484 editor.update(cx, |editor, cx| {
6485 if let Some((scrollbar_layout, axis)) = event
6486 .pressed_button
6487 .filter(|button| *button == MouseButton::Left)
6488 .and(editor.scroll_manager.dragging_scrollbar_axis())
6489 .and_then(|axis| {
6490 scrollbars_layout
6491 .iter_scrollbars()
6492 .find(|(_, a)| *a == axis)
6493 })
6494 {
6495 let ScrollbarLayout {
6496 hitbox,
6497 text_unit_size,
6498 ..
6499 } = scrollbar_layout;
6500
6501 let old_position = mouse_position.along(axis);
6502 let new_position = event.position.along(axis);
6503 if (hitbox.origin.along(axis)..hitbox.bottom_right().along(axis))
6504 .contains(&old_position)
6505 {
6506 let position = editor.scroll_position(cx).apply_along(axis, |p| {
6507 (p + ScrollOffset::from(
6508 (new_position - old_position) / *text_unit_size,
6509 ))
6510 .max(0.)
6511 });
6512 editor.set_scroll_position(position, window, cx);
6513 }
6514
6515 editor.scroll_manager.show_scrollbars(window, cx);
6516 cx.stop_propagation();
6517 } else if let Some((layout, axis)) = scrollbars_layout
6518 .get_hovered_axis(window)
6519 .filter(|_| !event.dragging())
6520 {
6521 if layout.thumb_hovered(&event.position) {
6522 editor
6523 .scroll_manager
6524 .set_hovered_scroll_thumb_axis(axis, cx);
6525 } else {
6526 editor.scroll_manager.reset_scrollbar_state(cx);
6527 }
6528
6529 editor.scroll_manager.show_scrollbars(window, cx);
6530 } else {
6531 editor.scroll_manager.reset_scrollbar_state(cx);
6532 }
6533
6534 mouse_position = event.position;
6535 })
6536 }
6537 });
6538
6539 if any_scrollbar_dragged {
6540 window.on_mouse_event({
6541 let editor = self.editor.clone();
6542 move |_: &MouseUpEvent, phase, window, cx| {
6543 if phase == DispatchPhase::Capture {
6544 return;
6545 }
6546
6547 editor.update(cx, |editor, cx| {
6548 if let Some((_, axis)) = scrollbars_layout.get_hovered_axis(window) {
6549 editor
6550 .scroll_manager
6551 .set_hovered_scroll_thumb_axis(axis, cx);
6552 } else {
6553 editor.scroll_manager.reset_scrollbar_state(cx);
6554 }
6555 cx.stop_propagation();
6556 });
6557 }
6558 });
6559 } else {
6560 window.on_mouse_event({
6561 let editor = self.editor.clone();
6562
6563 move |event: &MouseDownEvent, phase, window, cx| {
6564 if phase == DispatchPhase::Capture {
6565 return;
6566 }
6567 let Some((scrollbar_layout, axis)) = scrollbars_layout.get_hovered_axis(window)
6568 else {
6569 return;
6570 };
6571
6572 let ScrollbarLayout {
6573 hitbox,
6574 visible_range,
6575 text_unit_size,
6576 thumb_bounds,
6577 ..
6578 } = scrollbar_layout;
6579
6580 let Some(thumb_bounds) = thumb_bounds else {
6581 return;
6582 };
6583
6584 editor.update(cx, |editor, cx| {
6585 editor
6586 .scroll_manager
6587 .set_dragged_scroll_thumb_axis(axis, cx);
6588
6589 let event_position = event.position.along(axis);
6590
6591 if event_position < thumb_bounds.origin.along(axis)
6592 || thumb_bounds.bottom_right().along(axis) < event_position
6593 {
6594 let center_position = ((event_position - hitbox.origin.along(axis))
6595 / *text_unit_size)
6596 .round() as u32;
6597 let start_position = center_position.saturating_sub(
6598 (visible_range.end - visible_range.start) as u32 / 2,
6599 );
6600
6601 let position = editor
6602 .scroll_position(cx)
6603 .apply_along(axis, |_| start_position as ScrollOffset);
6604
6605 editor.set_scroll_position(position, window, cx);
6606 } else {
6607 editor.scroll_manager.show_scrollbars(window, cx);
6608 }
6609
6610 cx.stop_propagation();
6611 });
6612 }
6613 });
6614 }
6615 }
6616
6617 fn collect_fast_scrollbar_markers(
6618 &self,
6619 layout: &EditorLayout,
6620 scrollbar_layout: &ScrollbarLayout,
6621 cx: &mut App,
6622 ) -> Vec<PaintQuad> {
6623 const LIMIT: usize = 100;
6624 if !EditorSettings::get_global(cx).scrollbar.cursors || layout.cursors.len() > LIMIT {
6625 return vec![];
6626 }
6627 let cursor_ranges = layout
6628 .cursors
6629 .iter()
6630 .map(|(point, color)| ColoredRange {
6631 start: point.row(),
6632 end: point.row(),
6633 color: *color,
6634 })
6635 .collect_vec();
6636 scrollbar_layout.marker_quads_for_ranges(cursor_ranges, None)
6637 }
6638
6639 fn refresh_slow_scrollbar_markers(
6640 &self,
6641 layout: &EditorLayout,
6642 scrollbar_layout: &ScrollbarLayout,
6643 window: &mut Window,
6644 cx: &mut App,
6645 ) {
6646 self.editor.update(cx, |editor, cx| {
6647 if editor.buffer_kind(cx) != ItemBufferKind::Singleton
6648 || !editor
6649 .scrollbar_marker_state
6650 .should_refresh(scrollbar_layout.hitbox.size)
6651 {
6652 return;
6653 }
6654
6655 let scrollbar_layout = scrollbar_layout.clone();
6656 let background_highlights = editor.background_highlights.clone();
6657 let snapshot = layout.position_map.snapshot.clone();
6658 let theme = cx.theme().clone();
6659 let scrollbar_settings = EditorSettings::get_global(cx).scrollbar;
6660
6661 editor.scrollbar_marker_state.dirty = false;
6662 editor.scrollbar_marker_state.pending_refresh =
6663 Some(cx.spawn_in(window, async move |editor, cx| {
6664 let scrollbar_size = scrollbar_layout.hitbox.size;
6665 let scrollbar_markers = cx
6666 .background_spawn(async move {
6667 let max_point = snapshot.display_snapshot.buffer_snapshot().max_point();
6668 let mut marker_quads = Vec::new();
6669 if scrollbar_settings.git_diff {
6670 let marker_row_ranges =
6671 snapshot.buffer_snapshot().diff_hunks().map(|hunk| {
6672 let start_display_row =
6673 MultiBufferPoint::new(hunk.row_range.start.0, 0)
6674 .to_display_point(&snapshot.display_snapshot)
6675 .row();
6676 let mut end_display_row =
6677 MultiBufferPoint::new(hunk.row_range.end.0, 0)
6678 .to_display_point(&snapshot.display_snapshot)
6679 .row();
6680 if end_display_row != start_display_row {
6681 end_display_row.0 -= 1;
6682 }
6683 let color = match &hunk.status().kind {
6684 DiffHunkStatusKind::Added => {
6685 theme.colors().version_control_added
6686 }
6687 DiffHunkStatusKind::Modified => {
6688 theme.colors().version_control_modified
6689 }
6690 DiffHunkStatusKind::Deleted => {
6691 theme.colors().version_control_deleted
6692 }
6693 };
6694 ColoredRange {
6695 start: start_display_row,
6696 end: end_display_row,
6697 color,
6698 }
6699 });
6700
6701 marker_quads.extend(
6702 scrollbar_layout
6703 .marker_quads_for_ranges(marker_row_ranges, Some(0)),
6704 );
6705 }
6706
6707 for (background_highlight_id, (_, background_ranges)) in
6708 background_highlights.iter()
6709 {
6710 let is_search_highlights = *background_highlight_id
6711 == HighlightKey::Type(TypeId::of::<BufferSearchHighlights>());
6712 let is_text_highlights = *background_highlight_id
6713 == HighlightKey::Type(TypeId::of::<SelectedTextHighlight>());
6714 let is_symbol_occurrences = *background_highlight_id
6715 == HighlightKey::Type(TypeId::of::<DocumentHighlightRead>())
6716 || *background_highlight_id
6717 == HighlightKey::Type(
6718 TypeId::of::<DocumentHighlightWrite>(),
6719 );
6720 if (is_search_highlights && scrollbar_settings.search_results)
6721 || (is_text_highlights && scrollbar_settings.selected_text)
6722 || (is_symbol_occurrences && scrollbar_settings.selected_symbol)
6723 {
6724 let mut color = theme.status().info;
6725 if is_symbol_occurrences {
6726 color.fade_out(0.5);
6727 }
6728 let marker_row_ranges = background_ranges.iter().map(|range| {
6729 let display_start = range
6730 .start
6731 .to_display_point(&snapshot.display_snapshot);
6732 let display_end =
6733 range.end.to_display_point(&snapshot.display_snapshot);
6734 ColoredRange {
6735 start: display_start.row(),
6736 end: display_end.row(),
6737 color,
6738 }
6739 });
6740 marker_quads.extend(
6741 scrollbar_layout
6742 .marker_quads_for_ranges(marker_row_ranges, Some(1)),
6743 );
6744 }
6745 }
6746
6747 if scrollbar_settings.diagnostics != ScrollbarDiagnostics::None {
6748 let diagnostics = snapshot
6749 .buffer_snapshot()
6750 .diagnostics_in_range::<Point>(Point::zero()..max_point)
6751 // Don't show diagnostics the user doesn't care about
6752 .filter(|diagnostic| {
6753 match (
6754 scrollbar_settings.diagnostics,
6755 diagnostic.diagnostic.severity,
6756 ) {
6757 (ScrollbarDiagnostics::All, _) => true,
6758 (
6759 ScrollbarDiagnostics::Error,
6760 lsp::DiagnosticSeverity::ERROR,
6761 ) => true,
6762 (
6763 ScrollbarDiagnostics::Warning,
6764 lsp::DiagnosticSeverity::ERROR
6765 | lsp::DiagnosticSeverity::WARNING,
6766 ) => true,
6767 (
6768 ScrollbarDiagnostics::Information,
6769 lsp::DiagnosticSeverity::ERROR
6770 | lsp::DiagnosticSeverity::WARNING
6771 | lsp::DiagnosticSeverity::INFORMATION,
6772 ) => true,
6773 (_, _) => false,
6774 }
6775 })
6776 // We want to sort by severity, in order to paint the most severe diagnostics last.
6777 .sorted_by_key(|diagnostic| {
6778 std::cmp::Reverse(diagnostic.diagnostic.severity)
6779 });
6780
6781 let marker_row_ranges = diagnostics.into_iter().map(|diagnostic| {
6782 let start_display = diagnostic
6783 .range
6784 .start
6785 .to_display_point(&snapshot.display_snapshot);
6786 let end_display = diagnostic
6787 .range
6788 .end
6789 .to_display_point(&snapshot.display_snapshot);
6790 let color = match diagnostic.diagnostic.severity {
6791 lsp::DiagnosticSeverity::ERROR => theme.status().error,
6792 lsp::DiagnosticSeverity::WARNING => theme.status().warning,
6793 lsp::DiagnosticSeverity::INFORMATION => theme.status().info,
6794 _ => theme.status().hint,
6795 };
6796 ColoredRange {
6797 start: start_display.row(),
6798 end: end_display.row(),
6799 color,
6800 }
6801 });
6802 marker_quads.extend(
6803 scrollbar_layout
6804 .marker_quads_for_ranges(marker_row_ranges, Some(2)),
6805 );
6806 }
6807
6808 Arc::from(marker_quads)
6809 })
6810 .await;
6811
6812 editor.update(cx, |editor, cx| {
6813 editor.scrollbar_marker_state.markers = scrollbar_markers;
6814 editor.scrollbar_marker_state.scrollbar_size = scrollbar_size;
6815 editor.scrollbar_marker_state.pending_refresh = None;
6816 cx.notify();
6817 })?;
6818
6819 Ok(())
6820 }));
6821 });
6822 }
6823
6824 fn paint_highlighted_range(
6825 &self,
6826 range: Range<DisplayPoint>,
6827 fill: bool,
6828 color: Hsla,
6829 corner_radius: Pixels,
6830 line_end_overshoot: Pixels,
6831 layout: &EditorLayout,
6832 window: &mut Window,
6833 ) {
6834 let start_row = layout.visible_display_row_range.start;
6835 let end_row = layout.visible_display_row_range.end;
6836 if range.start != range.end {
6837 let row_range = if range.end.column() == 0 {
6838 cmp::max(range.start.row(), start_row)..cmp::min(range.end.row(), end_row)
6839 } else {
6840 cmp::max(range.start.row(), start_row)
6841 ..cmp::min(range.end.row().next_row(), end_row)
6842 };
6843
6844 let highlighted_range = HighlightedRange {
6845 color,
6846 line_height: layout.position_map.line_height,
6847 corner_radius,
6848 start_y: layout.content_origin.y
6849 + Pixels::from(
6850 (row_range.start.as_f64() - layout.position_map.scroll_position.y)
6851 * ScrollOffset::from(layout.position_map.line_height),
6852 ),
6853 lines: row_range
6854 .iter_rows()
6855 .map(|row| {
6856 let line_layout =
6857 &layout.position_map.line_layouts[row.minus(start_row) as usize];
6858 HighlightedRangeLine {
6859 start_x: if row == range.start.row() {
6860 layout.content_origin.x
6861 + Pixels::from(
6862 ScrollPixelOffset::from(
6863 line_layout.x_for_index(range.start.column() as usize),
6864 ) - layout.position_map.scroll_pixel_position.x,
6865 )
6866 } else {
6867 layout.content_origin.x
6868 - Pixels::from(layout.position_map.scroll_pixel_position.x)
6869 },
6870 end_x: if row == range.end.row() {
6871 layout.content_origin.x
6872 + Pixels::from(
6873 ScrollPixelOffset::from(
6874 line_layout.x_for_index(range.end.column() as usize),
6875 ) - layout.position_map.scroll_pixel_position.x,
6876 )
6877 } else {
6878 Pixels::from(
6879 ScrollPixelOffset::from(
6880 layout.content_origin.x
6881 + line_layout.width
6882 + line_end_overshoot,
6883 ) - layout.position_map.scroll_pixel_position.x,
6884 )
6885 },
6886 }
6887 })
6888 .collect(),
6889 };
6890
6891 highlighted_range.paint(fill, layout.position_map.text_hitbox.bounds, window);
6892 }
6893 }
6894
6895 fn paint_inline_diagnostics(
6896 &mut self,
6897 layout: &mut EditorLayout,
6898 window: &mut Window,
6899 cx: &mut App,
6900 ) {
6901 for mut inline_diagnostic in layout.inline_diagnostics.drain() {
6902 inline_diagnostic.1.paint(window, cx);
6903 }
6904 }
6905
6906 fn paint_inline_blame(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6907 if let Some(mut blame_layout) = layout.inline_blame_layout.take() {
6908 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6909 blame_layout.element.paint(window, cx);
6910 })
6911 }
6912 }
6913
6914 fn paint_inline_code_actions(
6915 &mut self,
6916 layout: &mut EditorLayout,
6917 window: &mut Window,
6918 cx: &mut App,
6919 ) {
6920 if let Some(mut inline_code_actions) = layout.inline_code_actions.take() {
6921 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6922 inline_code_actions.paint(window, cx);
6923 })
6924 }
6925 }
6926
6927 fn paint_diff_hunk_controls(
6928 &mut self,
6929 layout: &mut EditorLayout,
6930 window: &mut Window,
6931 cx: &mut App,
6932 ) {
6933 for mut diff_hunk_control in layout.diff_hunk_controls.drain(..) {
6934 diff_hunk_control.paint(window, cx);
6935 }
6936 }
6937
6938 fn paint_minimap(&self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6939 if let Some(mut layout) = layout.minimap.take() {
6940 let minimap_hitbox = layout.thumb_layout.hitbox.clone();
6941 let dragging_minimap = self.editor.read(cx).scroll_manager.is_dragging_minimap();
6942
6943 window.paint_layer(layout.thumb_layout.hitbox.bounds, |window| {
6944 window.with_element_namespace("minimap", |window| {
6945 layout.minimap.paint(window, cx);
6946 if let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds {
6947 let minimap_thumb_color = match layout.thumb_layout.thumb_state {
6948 ScrollbarThumbState::Idle => {
6949 cx.theme().colors().minimap_thumb_background
6950 }
6951 ScrollbarThumbState::Hovered => {
6952 cx.theme().colors().minimap_thumb_hover_background
6953 }
6954 ScrollbarThumbState::Dragging => {
6955 cx.theme().colors().minimap_thumb_active_background
6956 }
6957 };
6958 let minimap_thumb_border = match layout.thumb_border_style {
6959 MinimapThumbBorder::Full => Edges::all(ScrollbarLayout::BORDER_WIDTH),
6960 MinimapThumbBorder::LeftOnly => Edges {
6961 left: ScrollbarLayout::BORDER_WIDTH,
6962 ..Default::default()
6963 },
6964 MinimapThumbBorder::LeftOpen => Edges {
6965 right: ScrollbarLayout::BORDER_WIDTH,
6966 top: ScrollbarLayout::BORDER_WIDTH,
6967 bottom: ScrollbarLayout::BORDER_WIDTH,
6968 ..Default::default()
6969 },
6970 MinimapThumbBorder::RightOpen => Edges {
6971 left: ScrollbarLayout::BORDER_WIDTH,
6972 top: ScrollbarLayout::BORDER_WIDTH,
6973 bottom: ScrollbarLayout::BORDER_WIDTH,
6974 ..Default::default()
6975 },
6976 MinimapThumbBorder::None => Default::default(),
6977 };
6978
6979 window.paint_layer(minimap_hitbox.bounds, |window| {
6980 window.paint_quad(quad(
6981 thumb_bounds,
6982 Corners::default(),
6983 minimap_thumb_color,
6984 minimap_thumb_border,
6985 cx.theme().colors().minimap_thumb_border,
6986 BorderStyle::Solid,
6987 ));
6988 });
6989 }
6990 });
6991 });
6992
6993 if dragging_minimap {
6994 window.set_window_cursor_style(CursorStyle::Arrow);
6995 } else {
6996 window.set_cursor_style(CursorStyle::Arrow, &minimap_hitbox);
6997 }
6998
6999 let minimap_axis = ScrollbarAxis::Vertical;
7000 let pixels_per_line = Pixels::from(
7001 ScrollPixelOffset::from(minimap_hitbox.size.height) / layout.max_scroll_top,
7002 )
7003 .min(layout.minimap_line_height);
7004
7005 let mut mouse_position = window.mouse_position();
7006
7007 window.on_mouse_event({
7008 let editor = self.editor.clone();
7009
7010 let minimap_hitbox = minimap_hitbox.clone();
7011
7012 move |event: &MouseMoveEvent, phase, window, cx| {
7013 if phase == DispatchPhase::Capture {
7014 return;
7015 }
7016
7017 editor.update(cx, |editor, cx| {
7018 if event.pressed_button == Some(MouseButton::Left)
7019 && editor.scroll_manager.is_dragging_minimap()
7020 {
7021 let old_position = mouse_position.along(minimap_axis);
7022 let new_position = event.position.along(minimap_axis);
7023 if (minimap_hitbox.origin.along(minimap_axis)
7024 ..minimap_hitbox.bottom_right().along(minimap_axis))
7025 .contains(&old_position)
7026 {
7027 let position =
7028 editor.scroll_position(cx).apply_along(minimap_axis, |p| {
7029 (p + ScrollPixelOffset::from(
7030 (new_position - old_position) / pixels_per_line,
7031 ))
7032 .max(0.)
7033 });
7034
7035 editor.set_scroll_position(position, window, cx);
7036 }
7037 cx.stop_propagation();
7038 } else if minimap_hitbox.is_hovered(window) {
7039 editor.scroll_manager.set_is_hovering_minimap_thumb(
7040 !event.dragging()
7041 && layout
7042 .thumb_layout
7043 .thumb_bounds
7044 .is_some_and(|bounds| bounds.contains(&event.position)),
7045 cx,
7046 );
7047
7048 // Stop hover events from propagating to the
7049 // underlying editor if the minimap hitbox is hovered
7050 if !event.dragging() {
7051 cx.stop_propagation();
7052 }
7053 } else {
7054 editor.scroll_manager.hide_minimap_thumb(cx);
7055 }
7056 mouse_position = event.position;
7057 });
7058 }
7059 });
7060
7061 if dragging_minimap {
7062 window.on_mouse_event({
7063 let editor = self.editor.clone();
7064 move |event: &MouseUpEvent, phase, window, cx| {
7065 if phase == DispatchPhase::Capture {
7066 return;
7067 }
7068
7069 editor.update(cx, |editor, cx| {
7070 if minimap_hitbox.is_hovered(window) {
7071 editor.scroll_manager.set_is_hovering_minimap_thumb(
7072 layout
7073 .thumb_layout
7074 .thumb_bounds
7075 .is_some_and(|bounds| bounds.contains(&event.position)),
7076 cx,
7077 );
7078 } else {
7079 editor.scroll_manager.hide_minimap_thumb(cx);
7080 }
7081 cx.stop_propagation();
7082 });
7083 }
7084 });
7085 } else {
7086 window.on_mouse_event({
7087 let editor = self.editor.clone();
7088
7089 move |event: &MouseDownEvent, phase, window, cx| {
7090 if phase == DispatchPhase::Capture || !minimap_hitbox.is_hovered(window) {
7091 return;
7092 }
7093
7094 let event_position = event.position;
7095
7096 let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds else {
7097 return;
7098 };
7099
7100 editor.update(cx, |editor, cx| {
7101 if !thumb_bounds.contains(&event_position) {
7102 let click_position =
7103 event_position.relative_to(&minimap_hitbox.origin).y;
7104
7105 let top_position = (click_position
7106 - thumb_bounds.size.along(minimap_axis) / 2.0)
7107 .max(Pixels::ZERO);
7108
7109 let scroll_offset = (layout.minimap_scroll_top
7110 + ScrollPixelOffset::from(
7111 top_position / layout.minimap_line_height,
7112 ))
7113 .min(layout.max_scroll_top);
7114
7115 let scroll_position = editor
7116 .scroll_position(cx)
7117 .apply_along(minimap_axis, |_| scroll_offset);
7118 editor.set_scroll_position(scroll_position, window, cx);
7119 }
7120
7121 editor.scroll_manager.set_is_dragging_minimap(cx);
7122 cx.stop_propagation();
7123 });
7124 }
7125 });
7126 }
7127 }
7128 }
7129
7130 fn paint_blocks(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
7131 for mut block in layout.blocks.drain(..) {
7132 if block.overlaps_gutter {
7133 block.element.paint(window, cx);
7134 } else {
7135 let mut bounds = layout.hitbox.bounds;
7136 bounds.origin.x += layout.gutter_hitbox.bounds.size.width;
7137 window.with_content_mask(Some(ContentMask { bounds }), |window| {
7138 block.element.paint(window, cx);
7139 })
7140 }
7141 }
7142 }
7143
7144 fn paint_edit_prediction_popover(
7145 &mut self,
7146 layout: &mut EditorLayout,
7147 window: &mut Window,
7148 cx: &mut App,
7149 ) {
7150 if let Some(edit_prediction_popover) = layout.edit_prediction_popover.as_mut() {
7151 edit_prediction_popover.paint(window, cx);
7152 }
7153 }
7154
7155 fn paint_mouse_context_menu(
7156 &mut self,
7157 layout: &mut EditorLayout,
7158 window: &mut Window,
7159 cx: &mut App,
7160 ) {
7161 if let Some(mouse_context_menu) = layout.mouse_context_menu.as_mut() {
7162 mouse_context_menu.paint(window, cx);
7163 }
7164 }
7165
7166 fn paint_scroll_wheel_listener(
7167 &mut self,
7168 layout: &EditorLayout,
7169 window: &mut Window,
7170 cx: &mut App,
7171 ) {
7172 window.on_mouse_event({
7173 let position_map = layout.position_map.clone();
7174 let editor = self.editor.clone();
7175 let hitbox = layout.hitbox.clone();
7176 let mut delta = ScrollDelta::default();
7177
7178 // Set a minimum scroll_sensitivity of 0.01 to make sure the user doesn't
7179 // accidentally turn off their scrolling.
7180 let base_scroll_sensitivity =
7181 EditorSettings::get_global(cx).scroll_sensitivity.max(0.01);
7182
7183 // Use a minimum fast_scroll_sensitivity for same reason above
7184 let fast_scroll_sensitivity = EditorSettings::get_global(cx)
7185 .fast_scroll_sensitivity
7186 .max(0.01);
7187
7188 move |event: &ScrollWheelEvent, phase, window, cx| {
7189 let scroll_sensitivity = {
7190 if event.modifiers.alt {
7191 fast_scroll_sensitivity
7192 } else {
7193 base_scroll_sensitivity
7194 }
7195 };
7196
7197 if phase == DispatchPhase::Bubble && hitbox.should_handle_scroll(window) {
7198 delta = delta.coalesce(event.delta);
7199 editor.update(cx, |editor, cx| {
7200 let position_map: &PositionMap = &position_map;
7201
7202 let line_height = position_map.line_height;
7203 let max_glyph_advance = position_map.em_advance;
7204 let (delta, axis) = match delta {
7205 gpui::ScrollDelta::Pixels(mut pixels) => {
7206 //Trackpad
7207 let axis = position_map.snapshot.ongoing_scroll.filter(&mut pixels);
7208 (pixels, axis)
7209 }
7210
7211 gpui::ScrollDelta::Lines(lines) => {
7212 //Not trackpad
7213 let pixels =
7214 point(lines.x * max_glyph_advance, lines.y * line_height);
7215 (pixels, None)
7216 }
7217 };
7218
7219 let current_scroll_position = position_map.snapshot.scroll_position();
7220 let x = (current_scroll_position.x
7221 * ScrollPixelOffset::from(max_glyph_advance)
7222 - ScrollPixelOffset::from(delta.x * scroll_sensitivity))
7223 / ScrollPixelOffset::from(max_glyph_advance);
7224
7225 let scale_factor = window.scale_factor();
7226 let y = (current_scroll_position.y
7227 * ScrollPixelOffset::from(line_height)
7228 * ScrollPixelOffset::from(scale_factor)
7229 - ScrollPixelOffset::from(delta.y * scroll_sensitivity))
7230 .round()
7231 / ScrollPixelOffset::from(line_height)
7232 / ScrollPixelOffset::from(scale_factor);
7233
7234 let mut scroll_position =
7235 point(x, y).clamp(&point(0., 0.), &position_map.scroll_max);
7236 let forbid_vertical_scroll = editor.scroll_manager.forbid_vertical_scroll();
7237 if forbid_vertical_scroll {
7238 scroll_position.y = current_scroll_position.y;
7239 }
7240
7241 if scroll_position != current_scroll_position {
7242 editor.scroll(scroll_position, axis, window, cx);
7243 cx.stop_propagation();
7244 } else if y < 0. {
7245 // Due to clamping, we may fail to detect cases of overscroll to the top;
7246 // We want the scroll manager to get an update in such cases and detect the change of direction
7247 // on the next frame.
7248 cx.notify();
7249 }
7250 });
7251 }
7252 }
7253 });
7254 }
7255
7256 fn paint_mouse_listeners(&mut self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
7257 if layout.mode.is_minimap() {
7258 return;
7259 }
7260
7261 self.paint_scroll_wheel_listener(layout, window, cx);
7262
7263 window.on_mouse_event({
7264 let position_map = layout.position_map.clone();
7265 let editor = self.editor.clone();
7266 let diff_hunk_range =
7267 layout
7268 .display_hunks
7269 .iter()
7270 .find_map(|(hunk, hunk_hitbox)| match hunk {
7271 DisplayDiffHunk::Folded { .. } => None,
7272 DisplayDiffHunk::Unfolded {
7273 multi_buffer_range, ..
7274 } => {
7275 if hunk_hitbox
7276 .as_ref()
7277 .map(|hitbox| hitbox.is_hovered(window))
7278 .unwrap_or(false)
7279 {
7280 Some(multi_buffer_range.clone())
7281 } else {
7282 None
7283 }
7284 }
7285 });
7286 let line_numbers = layout.line_numbers.clone();
7287
7288 move |event: &MouseDownEvent, phase, window, cx| {
7289 if phase == DispatchPhase::Bubble {
7290 match event.button {
7291 MouseButton::Left => editor.update(cx, |editor, cx| {
7292 let pending_mouse_down = editor
7293 .pending_mouse_down
7294 .get_or_insert_with(Default::default)
7295 .clone();
7296
7297 *pending_mouse_down.borrow_mut() = Some(event.clone());
7298
7299 Self::mouse_left_down(
7300 editor,
7301 event,
7302 diff_hunk_range.clone(),
7303 &position_map,
7304 line_numbers.as_ref(),
7305 window,
7306 cx,
7307 );
7308 }),
7309 MouseButton::Right => editor.update(cx, |editor, cx| {
7310 Self::mouse_right_down(editor, event, &position_map, window, cx);
7311 }),
7312 MouseButton::Middle => editor.update(cx, |editor, cx| {
7313 Self::mouse_middle_down(editor, event, &position_map, window, cx);
7314 }),
7315 _ => {}
7316 };
7317 }
7318 }
7319 });
7320
7321 window.on_mouse_event({
7322 let editor = self.editor.clone();
7323 let position_map = layout.position_map.clone();
7324
7325 move |event: &MouseUpEvent, phase, window, cx| {
7326 if phase == DispatchPhase::Bubble {
7327 editor.update(cx, |editor, cx| {
7328 Self::mouse_up(editor, event, &position_map, window, cx)
7329 });
7330 }
7331 }
7332 });
7333
7334 window.on_mouse_event({
7335 let editor = self.editor.clone();
7336 let position_map = layout.position_map.clone();
7337 let mut captured_mouse_down = None;
7338
7339 move |event: &MouseUpEvent, phase, window, cx| match phase {
7340 // Clear the pending mouse down during the capture phase,
7341 // so that it happens even if another event handler stops
7342 // propagation.
7343 DispatchPhase::Capture => editor.update(cx, |editor, _cx| {
7344 let pending_mouse_down = editor
7345 .pending_mouse_down
7346 .get_or_insert_with(Default::default)
7347 .clone();
7348
7349 let mut pending_mouse_down = pending_mouse_down.borrow_mut();
7350 if pending_mouse_down.is_some() && position_map.text_hitbox.is_hovered(window) {
7351 captured_mouse_down = pending_mouse_down.take();
7352 window.refresh();
7353 }
7354 }),
7355 // Fire click handlers during the bubble phase.
7356 DispatchPhase::Bubble => editor.update(cx, |editor, cx| {
7357 if let Some(mouse_down) = captured_mouse_down.take() {
7358 let event = ClickEvent::Mouse(MouseClickEvent {
7359 down: mouse_down,
7360 up: event.clone(),
7361 });
7362 Self::click(editor, &event, &position_map, window, cx);
7363 }
7364 }),
7365 }
7366 });
7367
7368 window.on_mouse_event({
7369 let position_map = layout.position_map.clone();
7370 let editor = self.editor.clone();
7371
7372 move |event: &MouseMoveEvent, phase, window, cx| {
7373 if phase == DispatchPhase::Bubble {
7374 editor.update(cx, |editor, cx| {
7375 if editor.hover_state.focused(window, cx) {
7376 return;
7377 }
7378 if event.pressed_button == Some(MouseButton::Left)
7379 || event.pressed_button == Some(MouseButton::Middle)
7380 {
7381 Self::mouse_dragged(editor, event, &position_map, window, cx)
7382 }
7383
7384 Self::mouse_moved(editor, event, &position_map, window, cx)
7385 });
7386 }
7387 }
7388 });
7389 }
7390
7391 fn column_pixels(&self, column: usize, window: &Window) -> Pixels {
7392 let style = &self.style;
7393 let font_size = style.text.font_size.to_pixels(window.rem_size());
7394 let layout = window.text_system().shape_line(
7395 SharedString::from(" ".repeat(column)),
7396 font_size,
7397 &[TextRun {
7398 len: column,
7399 font: style.text.font(),
7400 color: Hsla::default(),
7401 background_color: None,
7402 underline: None,
7403 strikethrough: None,
7404 }],
7405 None,
7406 );
7407
7408 layout.width
7409 }
7410
7411 fn max_line_number_width(&self, snapshot: &EditorSnapshot, window: &mut Window) -> Pixels {
7412 let digit_count = snapshot.widest_line_number().ilog10() + 1;
7413 self.column_pixels(digit_count as usize, window)
7414 }
7415
7416 fn shape_line_number(
7417 &self,
7418 text: SharedString,
7419 color: Hsla,
7420 window: &mut Window,
7421 ) -> ShapedLine {
7422 let run = TextRun {
7423 len: text.len(),
7424 font: self.style.text.font(),
7425 color,
7426 background_color: None,
7427 underline: None,
7428 strikethrough: None,
7429 };
7430 window.text_system().shape_line(
7431 text,
7432 self.style.text.font_size.to_pixels(window.rem_size()),
7433 &[run],
7434 None,
7435 )
7436 }
7437
7438 fn diff_hunk_hollow(status: DiffHunkStatus, cx: &mut App) -> bool {
7439 let unstaged = status.has_secondary_hunk();
7440 let unstaged_hollow = matches!(
7441 ProjectSettings::get_global(cx).git.hunk_style,
7442 GitHunkStyleSetting::UnstagedHollow
7443 );
7444
7445 unstaged == unstaged_hollow
7446 }
7447
7448 #[cfg(debug_assertions)]
7449 fn layout_debug_ranges(
7450 selections: &mut Vec<(PlayerColor, Vec<SelectionLayout>)>,
7451 anchor_range: Range<Anchor>,
7452 display_snapshot: &DisplaySnapshot,
7453 cx: &App,
7454 ) {
7455 let theme = cx.theme();
7456 text::debug::GlobalDebugRanges::with_locked(|debug_ranges| {
7457 if debug_ranges.ranges.is_empty() {
7458 return;
7459 }
7460 let buffer_snapshot = &display_snapshot.buffer_snapshot();
7461 for (buffer, buffer_range, excerpt_id) in
7462 buffer_snapshot.range_to_buffer_ranges(anchor_range)
7463 {
7464 let buffer_range =
7465 buffer.anchor_after(buffer_range.start)..buffer.anchor_before(buffer_range.end);
7466 selections.extend(debug_ranges.ranges.iter().flat_map(|debug_range| {
7467 let player_color = theme
7468 .players()
7469 .color_for_participant(debug_range.occurrence_index as u32 + 1);
7470 debug_range.ranges.iter().filter_map(move |range| {
7471 if range.start.buffer_id != Some(buffer.remote_id()) {
7472 return None;
7473 }
7474 let clipped_start = range.start.max(&buffer_range.start, buffer);
7475 let clipped_end = range.end.min(&buffer_range.end, buffer);
7476 let range = buffer_snapshot
7477 .anchor_range_in_excerpt(excerpt_id, *clipped_start..*clipped_end)?;
7478 let start = range.start.to_display_point(display_snapshot);
7479 let end = range.end.to_display_point(display_snapshot);
7480 let selection_layout = SelectionLayout {
7481 head: start,
7482 range: start..end,
7483 cursor_shape: CursorShape::Bar,
7484 is_newest: false,
7485 is_local: false,
7486 active_rows: start.row()..end.row(),
7487 user_name: Some(SharedString::new(debug_range.value.clone())),
7488 };
7489 Some((player_color, vec![selection_layout]))
7490 })
7491 }));
7492 }
7493 });
7494 }
7495}
7496
7497fn header_jump_data(
7498 snapshot: &EditorSnapshot,
7499 block_row_start: DisplayRow,
7500 height: u32,
7501 for_excerpt: &ExcerptInfo,
7502) -> JumpData {
7503 let range = &for_excerpt.range;
7504 let buffer = &for_excerpt.buffer;
7505 let jump_anchor = range.primary.start;
7506
7507 let excerpt_start = range.context.start;
7508 let jump_position = language::ToPoint::to_point(&jump_anchor, buffer);
7509 let rows_from_excerpt_start = if jump_anchor == excerpt_start {
7510 0
7511 } else {
7512 let excerpt_start_point = language::ToPoint::to_point(&excerpt_start, buffer);
7513 jump_position.row.saturating_sub(excerpt_start_point.row)
7514 };
7515
7516 let line_offset_from_top = (block_row_start.0 + height + rows_from_excerpt_start)
7517 .saturating_sub(
7518 snapshot
7519 .scroll_anchor
7520 .scroll_position(&snapshot.display_snapshot)
7521 .y as u32,
7522 );
7523
7524 JumpData::MultiBufferPoint {
7525 excerpt_id: for_excerpt.id,
7526 anchor: jump_anchor,
7527 position: jump_position,
7528 line_offset_from_top,
7529 }
7530}
7531
7532pub struct AcceptEditPredictionBinding(pub(crate) Option<gpui::KeyBinding>);
7533
7534impl AcceptEditPredictionBinding {
7535 pub fn keystroke(&self) -> Option<&KeybindingKeystroke> {
7536 if let Some(binding) = self.0.as_ref() {
7537 match &binding.keystrokes() {
7538 [keystroke, ..] => Some(keystroke),
7539 _ => None,
7540 }
7541 } else {
7542 None
7543 }
7544 }
7545}
7546
7547fn prepaint_gutter_button(
7548 button: IconButton,
7549 row: DisplayRow,
7550 line_height: Pixels,
7551 gutter_dimensions: &GutterDimensions,
7552 scroll_position: gpui::Point<ScrollOffset>,
7553 gutter_hitbox: &Hitbox,
7554 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
7555 window: &mut Window,
7556 cx: &mut App,
7557) -> AnyElement {
7558 let mut button = button.into_any_element();
7559
7560 let available_space = size(
7561 AvailableSpace::MinContent,
7562 AvailableSpace::Definite(line_height),
7563 );
7564 let indicator_size = button.layout_as_root(available_space, window, cx);
7565
7566 let blame_width = gutter_dimensions.git_blame_entries_width;
7567 let gutter_width = display_hunks
7568 .binary_search_by(|(hunk, _)| match hunk {
7569 DisplayDiffHunk::Folded { display_row } => display_row.cmp(&row),
7570 DisplayDiffHunk::Unfolded {
7571 display_row_range, ..
7572 } => {
7573 if display_row_range.end <= row {
7574 Ordering::Less
7575 } else if display_row_range.start > row {
7576 Ordering::Greater
7577 } else {
7578 Ordering::Equal
7579 }
7580 }
7581 })
7582 .ok()
7583 .and_then(|ix| Some(display_hunks[ix].1.as_ref()?.size.width));
7584 let left_offset = blame_width.max(gutter_width).unwrap_or_default();
7585
7586 let mut x = left_offset;
7587 let available_width = gutter_dimensions.margin + gutter_dimensions.left_padding
7588 - indicator_size.width
7589 - left_offset;
7590 x += available_width / 2.;
7591
7592 let mut y =
7593 Pixels::from((row.as_f64() - scroll_position.y) * ScrollPixelOffset::from(line_height));
7594 y += (line_height - indicator_size.height) / 2.;
7595
7596 button.prepaint_as_root(
7597 gutter_hitbox.origin + point(x, y),
7598 available_space,
7599 window,
7600 cx,
7601 );
7602 button
7603}
7604
7605fn render_inline_blame_entry(
7606 blame_entry: BlameEntry,
7607 style: &EditorStyle,
7608 cx: &mut App,
7609) -> Option<AnyElement> {
7610 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7611 renderer.render_inline_blame_entry(&style.text, blame_entry, cx)
7612}
7613
7614fn render_blame_entry_popover(
7615 blame_entry: BlameEntry,
7616 scroll_handle: ScrollHandle,
7617 commit_message: Option<ParsedCommitMessage>,
7618 markdown: Entity<Markdown>,
7619 workspace: WeakEntity<Workspace>,
7620 blame: &Entity<GitBlame>,
7621 buffer: BufferId,
7622 window: &mut Window,
7623 cx: &mut App,
7624) -> Option<AnyElement> {
7625 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7626 let blame = blame.read(cx);
7627 let repository = blame.repository(cx, buffer)?;
7628 renderer.render_blame_entry_popover(
7629 blame_entry,
7630 scroll_handle,
7631 commit_message,
7632 markdown,
7633 repository,
7634 workspace,
7635 window,
7636 cx,
7637 )
7638}
7639
7640fn render_blame_entry(
7641 ix: usize,
7642 blame: &Entity<GitBlame>,
7643 blame_entry: BlameEntry,
7644 style: &EditorStyle,
7645 last_used_color: &mut Option<(Hsla, Oid)>,
7646 editor: Entity<Editor>,
7647 workspace: Entity<Workspace>,
7648 buffer: BufferId,
7649 renderer: &dyn BlameRenderer,
7650 window: &mut Window,
7651 cx: &mut App,
7652) -> Option<AnyElement> {
7653 let index: u32 = blame_entry.sha.into();
7654 let mut sha_color = cx.theme().players().color_for_participant(index).cursor;
7655
7656 // If the last color we used is the same as the one we get for this line, but
7657 // the commit SHAs are different, then we try again to get a different color.
7658 if let Some((color, sha)) = *last_used_color
7659 && sha != blame_entry.sha
7660 && color == sha_color
7661 {
7662 sha_color = cx.theme().players().color_for_participant(index + 1).cursor;
7663 }
7664 last_used_color.replace((sha_color, blame_entry.sha));
7665
7666 let blame = blame.read(cx);
7667 let details = blame.details_for_entry(buffer, &blame_entry);
7668 let repository = blame.repository(cx, buffer)?;
7669 renderer.render_blame_entry(
7670 &style.text,
7671 blame_entry,
7672 details,
7673 repository,
7674 workspace.downgrade(),
7675 editor,
7676 ix,
7677 sha_color,
7678 window,
7679 cx,
7680 )
7681}
7682
7683#[derive(Debug)]
7684pub(crate) struct LineWithInvisibles {
7685 fragments: SmallVec<[LineFragment; 1]>,
7686 invisibles: Vec<Invisible>,
7687 len: usize,
7688 pub(crate) width: Pixels,
7689 font_size: Pixels,
7690}
7691
7692enum LineFragment {
7693 Text(ShapedLine),
7694 Element {
7695 id: ChunkRendererId,
7696 element: Option<AnyElement>,
7697 size: Size<Pixels>,
7698 len: usize,
7699 },
7700}
7701
7702impl fmt::Debug for LineFragment {
7703 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
7704 match self {
7705 LineFragment::Text(shaped_line) => f.debug_tuple("Text").field(shaped_line).finish(),
7706 LineFragment::Element { size, len, .. } => f
7707 .debug_struct("Element")
7708 .field("size", size)
7709 .field("len", len)
7710 .finish(),
7711 }
7712 }
7713}
7714
7715impl LineWithInvisibles {
7716 fn from_chunks<'a>(
7717 chunks: impl Iterator<Item = HighlightedChunk<'a>>,
7718 editor_style: &EditorStyle,
7719 max_line_len: usize,
7720 max_line_count: usize,
7721 editor_mode: &EditorMode,
7722 text_width: Pixels,
7723 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
7724 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
7725 window: &mut Window,
7726 cx: &mut App,
7727 ) -> Vec<Self> {
7728 let text_style = &editor_style.text;
7729 let mut layouts = Vec::with_capacity(max_line_count);
7730 let mut fragments: SmallVec<[LineFragment; 1]> = SmallVec::new();
7731 let mut line = String::new();
7732 let mut invisibles = Vec::new();
7733 let mut width = Pixels::ZERO;
7734 let mut len = 0;
7735 let mut styles = Vec::new();
7736 let mut non_whitespace_added = false;
7737 let mut row = 0;
7738 let mut line_exceeded_max_len = false;
7739 let font_size = text_style.font_size.to_pixels(window.rem_size());
7740 let min_contrast = EditorSettings::get_global(cx).minimum_contrast_for_highlights;
7741
7742 let ellipsis = SharedString::from("β―");
7743
7744 for highlighted_chunk in chunks.chain([HighlightedChunk {
7745 text: "\n",
7746 style: None,
7747 is_tab: false,
7748 is_inlay: false,
7749 replacement: None,
7750 }]) {
7751 if let Some(replacement) = highlighted_chunk.replacement {
7752 if !line.is_empty() {
7753 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7754 let text_runs: &[TextRun] = if segments.is_empty() {
7755 &styles
7756 } else {
7757 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
7758 };
7759 let shaped_line = window.text_system().shape_line(
7760 line.clone().into(),
7761 font_size,
7762 text_runs,
7763 None,
7764 );
7765 width += shaped_line.width;
7766 len += shaped_line.len;
7767 fragments.push(LineFragment::Text(shaped_line));
7768 line.clear();
7769 styles.clear();
7770 }
7771
7772 match replacement {
7773 ChunkReplacement::Renderer(renderer) => {
7774 let available_width = if renderer.constrain_width {
7775 let chunk = if highlighted_chunk.text == ellipsis.as_ref() {
7776 ellipsis.clone()
7777 } else {
7778 SharedString::from(Arc::from(highlighted_chunk.text))
7779 };
7780 let shaped_line = window.text_system().shape_line(
7781 chunk,
7782 font_size,
7783 &[text_style.to_run(highlighted_chunk.text.len())],
7784 None,
7785 );
7786 AvailableSpace::Definite(shaped_line.width)
7787 } else {
7788 AvailableSpace::MinContent
7789 };
7790
7791 let mut element = (renderer.render)(&mut ChunkRendererContext {
7792 context: cx,
7793 window,
7794 max_width: text_width,
7795 });
7796 let line_height = text_style.line_height_in_pixels(window.rem_size());
7797 let size = element.layout_as_root(
7798 size(available_width, AvailableSpace::Definite(line_height)),
7799 window,
7800 cx,
7801 );
7802
7803 width += size.width;
7804 len += highlighted_chunk.text.len();
7805 fragments.push(LineFragment::Element {
7806 id: renderer.id,
7807 element: Some(element),
7808 size,
7809 len: highlighted_chunk.text.len(),
7810 });
7811 }
7812 ChunkReplacement::Str(x) => {
7813 let text_style = if let Some(style) = highlighted_chunk.style {
7814 Cow::Owned(text_style.clone().highlight(style))
7815 } else {
7816 Cow::Borrowed(text_style)
7817 };
7818
7819 let run = TextRun {
7820 len: x.len(),
7821 font: text_style.font(),
7822 color: text_style.color,
7823 background_color: text_style.background_color,
7824 underline: text_style.underline,
7825 strikethrough: text_style.strikethrough,
7826 };
7827 let line_layout = window
7828 .text_system()
7829 .shape_line(x, font_size, &[run], None)
7830 .with_len(highlighted_chunk.text.len());
7831
7832 width += line_layout.width;
7833 len += highlighted_chunk.text.len();
7834 fragments.push(LineFragment::Text(line_layout))
7835 }
7836 }
7837 } else {
7838 for (ix, mut line_chunk) in highlighted_chunk.text.split('\n').enumerate() {
7839 if ix > 0 {
7840 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7841 let text_runs = if segments.is_empty() {
7842 &styles
7843 } else {
7844 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
7845 };
7846 let shaped_line = window.text_system().shape_line(
7847 line.clone().into(),
7848 font_size,
7849 text_runs,
7850 None,
7851 );
7852 width += shaped_line.width;
7853 len += shaped_line.len;
7854 fragments.push(LineFragment::Text(shaped_line));
7855 layouts.push(Self {
7856 width: mem::take(&mut width),
7857 len: mem::take(&mut len),
7858 fragments: mem::take(&mut fragments),
7859 invisibles: std::mem::take(&mut invisibles),
7860 font_size,
7861 });
7862
7863 line.clear();
7864 styles.clear();
7865 row += 1;
7866 line_exceeded_max_len = false;
7867 non_whitespace_added = false;
7868 if row == max_line_count {
7869 return layouts;
7870 }
7871 }
7872
7873 if !line_chunk.is_empty() && !line_exceeded_max_len {
7874 let text_style = if let Some(style) = highlighted_chunk.style {
7875 Cow::Owned(text_style.clone().highlight(style))
7876 } else {
7877 Cow::Borrowed(text_style)
7878 };
7879
7880 if line.len() + line_chunk.len() > max_line_len {
7881 let mut chunk_len = max_line_len - line.len();
7882 while !line_chunk.is_char_boundary(chunk_len) {
7883 chunk_len -= 1;
7884 }
7885 line_chunk = &line_chunk[..chunk_len];
7886 line_exceeded_max_len = true;
7887 }
7888
7889 styles.push(TextRun {
7890 len: line_chunk.len(),
7891 font: text_style.font(),
7892 color: text_style.color,
7893 background_color: text_style.background_color,
7894 underline: text_style.underline,
7895 strikethrough: text_style.strikethrough,
7896 });
7897
7898 if editor_mode.is_full() && !highlighted_chunk.is_inlay {
7899 // Line wrap pads its contents with fake whitespaces,
7900 // avoid printing them
7901 let is_soft_wrapped = is_row_soft_wrapped(row);
7902 if highlighted_chunk.is_tab {
7903 if non_whitespace_added || !is_soft_wrapped {
7904 invisibles.push(Invisible::Tab {
7905 line_start_offset: line.len(),
7906 line_end_offset: line.len() + line_chunk.len(),
7907 });
7908 }
7909 } else {
7910 invisibles.extend(line_chunk.char_indices().filter_map(
7911 |(index, c)| {
7912 let is_whitespace = c.is_whitespace();
7913 non_whitespace_added |= !is_whitespace;
7914 if is_whitespace
7915 && (non_whitespace_added || !is_soft_wrapped)
7916 {
7917 Some(Invisible::Whitespace {
7918 line_offset: line.len() + index,
7919 })
7920 } else {
7921 None
7922 }
7923 },
7924 ))
7925 }
7926 }
7927
7928 line.push_str(line_chunk);
7929 }
7930 }
7931 }
7932 }
7933
7934 layouts
7935 }
7936
7937 /// Takes text runs and non-overlapping left-to-right background ranges with color.
7938 /// Returns new text runs with adjusted contrast as per background ranges.
7939 fn split_runs_by_bg_segments(
7940 text_runs: &[TextRun],
7941 bg_segments: &[(Range<DisplayPoint>, Hsla)],
7942 min_contrast: f32,
7943 start_col_offset: usize,
7944 ) -> Vec<TextRun> {
7945 let mut output_runs: Vec<TextRun> = Vec::with_capacity(text_runs.len());
7946 let mut line_col = start_col_offset;
7947 let mut segment_ix = 0usize;
7948
7949 for text_run in text_runs.iter() {
7950 let run_start_col = line_col;
7951 let run_end_col = run_start_col + text_run.len;
7952 while segment_ix < bg_segments.len()
7953 && (bg_segments[segment_ix].0.end.column() as usize) <= run_start_col
7954 {
7955 segment_ix += 1;
7956 }
7957 let mut cursor_col = run_start_col;
7958 let mut local_segment_ix = segment_ix;
7959 while local_segment_ix < bg_segments.len() {
7960 let (range, segment_color) = &bg_segments[local_segment_ix];
7961 let segment_start_col = range.start.column() as usize;
7962 let segment_end_col = range.end.column() as usize;
7963 if segment_start_col >= run_end_col {
7964 break;
7965 }
7966 if segment_start_col > cursor_col {
7967 let span_len = segment_start_col - cursor_col;
7968 output_runs.push(TextRun {
7969 len: span_len,
7970 font: text_run.font.clone(),
7971 color: text_run.color,
7972 background_color: text_run.background_color,
7973 underline: text_run.underline,
7974 strikethrough: text_run.strikethrough,
7975 });
7976 cursor_col = segment_start_col;
7977 }
7978 let segment_slice_end_col = segment_end_col.min(run_end_col);
7979 if segment_slice_end_col > cursor_col {
7980 let new_text_color =
7981 ensure_minimum_contrast(text_run.color, *segment_color, min_contrast);
7982 output_runs.push(TextRun {
7983 len: segment_slice_end_col - cursor_col,
7984 font: text_run.font.clone(),
7985 color: new_text_color,
7986 background_color: text_run.background_color,
7987 underline: text_run.underline,
7988 strikethrough: text_run.strikethrough,
7989 });
7990 cursor_col = segment_slice_end_col;
7991 }
7992 if segment_end_col >= run_end_col {
7993 break;
7994 }
7995 local_segment_ix += 1;
7996 }
7997 if cursor_col < run_end_col {
7998 output_runs.push(TextRun {
7999 len: run_end_col - cursor_col,
8000 font: text_run.font.clone(),
8001 color: text_run.color,
8002 background_color: text_run.background_color,
8003 underline: text_run.underline,
8004 strikethrough: text_run.strikethrough,
8005 });
8006 }
8007 line_col = run_end_col;
8008 segment_ix = local_segment_ix;
8009 }
8010 output_runs
8011 }
8012
8013 fn prepaint(
8014 &mut self,
8015 line_height: Pixels,
8016 scroll_position: gpui::Point<ScrollOffset>,
8017 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
8018 row: DisplayRow,
8019 content_origin: gpui::Point<Pixels>,
8020 line_elements: &mut SmallVec<[AnyElement; 1]>,
8021 window: &mut Window,
8022 cx: &mut App,
8023 ) {
8024 let line_y = f32::from(line_height) * Pixels::from(row.as_f64() - scroll_position.y);
8025 let mut fragment_origin =
8026 content_origin + gpui::point(Pixels::from(-scroll_pixel_position.x), line_y);
8027 for fragment in &mut self.fragments {
8028 match fragment {
8029 LineFragment::Text(line) => {
8030 fragment_origin.x += line.width;
8031 }
8032 LineFragment::Element { element, size, .. } => {
8033 let mut element = element
8034 .take()
8035 .expect("you can't prepaint LineWithInvisibles twice");
8036
8037 // Center the element vertically within the line.
8038 let mut element_origin = fragment_origin;
8039 element_origin.y += (line_height - size.height) / 2.;
8040 element.prepaint_at(element_origin, window, cx);
8041 line_elements.push(element);
8042
8043 fragment_origin.x += size.width;
8044 }
8045 }
8046 }
8047 }
8048
8049 fn draw(
8050 &self,
8051 layout: &EditorLayout,
8052 row: DisplayRow,
8053 content_origin: gpui::Point<Pixels>,
8054 whitespace_setting: ShowWhitespaceSetting,
8055 selection_ranges: &[Range<DisplayPoint>],
8056 window: &mut Window,
8057 cx: &mut App,
8058 ) {
8059 let line_height = layout.position_map.line_height;
8060 let line_y = line_height * (row.as_f64() - layout.position_map.scroll_position.y) as f32;
8061
8062 let mut fragment_origin = content_origin
8063 + gpui::point(
8064 Pixels::from(-layout.position_map.scroll_pixel_position.x),
8065 line_y,
8066 );
8067
8068 for fragment in &self.fragments {
8069 match fragment {
8070 LineFragment::Text(line) => {
8071 line.paint(fragment_origin, line_height, window, cx)
8072 .log_err();
8073 fragment_origin.x += line.width;
8074 }
8075 LineFragment::Element { size, .. } => {
8076 fragment_origin.x += size.width;
8077 }
8078 }
8079 }
8080
8081 self.draw_invisibles(
8082 selection_ranges,
8083 layout,
8084 content_origin,
8085 line_y,
8086 row,
8087 line_height,
8088 whitespace_setting,
8089 window,
8090 cx,
8091 );
8092 }
8093
8094 fn draw_background(
8095 &self,
8096 layout: &EditorLayout,
8097 row: DisplayRow,
8098 content_origin: gpui::Point<Pixels>,
8099 window: &mut Window,
8100 cx: &mut App,
8101 ) {
8102 let line_height = layout.position_map.line_height;
8103 let line_y = line_height * (row.as_f64() - layout.position_map.scroll_position.y) as f32;
8104
8105 let mut fragment_origin = content_origin
8106 + gpui::point(
8107 Pixels::from(-layout.position_map.scroll_pixel_position.x),
8108 line_y,
8109 );
8110
8111 for fragment in &self.fragments {
8112 match fragment {
8113 LineFragment::Text(line) => {
8114 line.paint_background(fragment_origin, line_height, window, cx)
8115 .log_err();
8116 fragment_origin.x += line.width;
8117 }
8118 LineFragment::Element { size, .. } => {
8119 fragment_origin.x += size.width;
8120 }
8121 }
8122 }
8123 }
8124
8125 fn draw_invisibles(
8126 &self,
8127 selection_ranges: &[Range<DisplayPoint>],
8128 layout: &EditorLayout,
8129 content_origin: gpui::Point<Pixels>,
8130 line_y: Pixels,
8131 row: DisplayRow,
8132 line_height: Pixels,
8133 whitespace_setting: ShowWhitespaceSetting,
8134 window: &mut Window,
8135 cx: &mut App,
8136 ) {
8137 let extract_whitespace_info = |invisible: &Invisible| {
8138 let (token_offset, token_end_offset, invisible_symbol) = match invisible {
8139 Invisible::Tab {
8140 line_start_offset,
8141 line_end_offset,
8142 } => (*line_start_offset, *line_end_offset, &layout.tab_invisible),
8143 Invisible::Whitespace { line_offset } => {
8144 (*line_offset, line_offset + 1, &layout.space_invisible)
8145 }
8146 };
8147
8148 let x_offset: ScrollPixelOffset = self.x_for_index(token_offset).into();
8149 let invisible_offset: ScrollPixelOffset =
8150 ((layout.position_map.em_width - invisible_symbol.width).max(Pixels::ZERO) / 2.0)
8151 .into();
8152 let origin = content_origin
8153 + gpui::point(
8154 Pixels::from(
8155 x_offset + invisible_offset - layout.position_map.scroll_pixel_position.x,
8156 ),
8157 line_y,
8158 );
8159
8160 (
8161 [token_offset, token_end_offset],
8162 Box::new(move |window: &mut Window, cx: &mut App| {
8163 invisible_symbol
8164 .paint(origin, line_height, window, cx)
8165 .log_err();
8166 }),
8167 )
8168 };
8169
8170 let invisible_iter = self.invisibles.iter().map(extract_whitespace_info);
8171 match whitespace_setting {
8172 ShowWhitespaceSetting::None => (),
8173 ShowWhitespaceSetting::All => invisible_iter.for_each(|(_, paint)| paint(window, cx)),
8174 ShowWhitespaceSetting::Selection => invisible_iter.for_each(|([start, _], paint)| {
8175 let invisible_point = DisplayPoint::new(row, start as u32);
8176 if !selection_ranges
8177 .iter()
8178 .any(|region| region.start <= invisible_point && invisible_point < region.end)
8179 {
8180 return;
8181 }
8182
8183 paint(window, cx);
8184 }),
8185
8186 ShowWhitespaceSetting::Trailing => {
8187 let mut previous_start = self.len;
8188 for ([start, end], paint) in invisible_iter.rev() {
8189 if previous_start != end {
8190 break;
8191 }
8192 previous_start = start;
8193 paint(window, cx);
8194 }
8195 }
8196
8197 // For a whitespace to be on a boundary, any of the following conditions need to be met:
8198 // - It is a tab
8199 // - It is adjacent to an edge (start or end)
8200 // - It is adjacent to a whitespace (left or right)
8201 ShowWhitespaceSetting::Boundary => {
8202 // 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
8203 // the above cases.
8204 // Note: We zip in the original `invisibles` to check for tab equality
8205 let mut last_seen: Option<(bool, usize, Box<dyn Fn(&mut Window, &mut App)>)> = None;
8206 for (([start, end], paint), invisible) in
8207 invisible_iter.zip_eq(self.invisibles.iter())
8208 {
8209 let should_render = match (&last_seen, invisible) {
8210 (_, Invisible::Tab { .. }) => true,
8211 (Some((_, last_end, _)), _) => *last_end == start,
8212 _ => false,
8213 };
8214
8215 if should_render || start == 0 || end == self.len {
8216 paint(window, cx);
8217
8218 // Since we are scanning from the left, we will skip over the first available whitespace that is part
8219 // of a boundary between non-whitespace segments, so we correct by manually redrawing it if needed.
8220 if let Some((should_render_last, last_end, paint_last)) = last_seen {
8221 // Note that we need to make sure that the last one is actually adjacent
8222 if !should_render_last && last_end == start {
8223 paint_last(window, cx);
8224 }
8225 }
8226 }
8227
8228 // Manually render anything within a selection
8229 let invisible_point = DisplayPoint::new(row, start as u32);
8230 if selection_ranges.iter().any(|region| {
8231 region.start <= invisible_point && invisible_point < region.end
8232 }) {
8233 paint(window, cx);
8234 }
8235
8236 last_seen = Some((should_render, end, paint));
8237 }
8238 }
8239 }
8240 }
8241
8242 pub fn x_for_index(&self, index: usize) -> Pixels {
8243 let mut fragment_start_x = Pixels::ZERO;
8244 let mut fragment_start_index = 0;
8245
8246 for fragment in &self.fragments {
8247 match fragment {
8248 LineFragment::Text(shaped_line) => {
8249 let fragment_end_index = fragment_start_index + shaped_line.len;
8250 if index < fragment_end_index {
8251 return fragment_start_x
8252 + shaped_line.x_for_index(index - fragment_start_index);
8253 }
8254 fragment_start_x += shaped_line.width;
8255 fragment_start_index = fragment_end_index;
8256 }
8257 LineFragment::Element { len, size, .. } => {
8258 let fragment_end_index = fragment_start_index + len;
8259 if index < fragment_end_index {
8260 return fragment_start_x;
8261 }
8262 fragment_start_x += size.width;
8263 fragment_start_index = fragment_end_index;
8264 }
8265 }
8266 }
8267
8268 fragment_start_x
8269 }
8270
8271 pub fn index_for_x(&self, x: Pixels) -> Option<usize> {
8272 let mut fragment_start_x = Pixels::ZERO;
8273 let mut fragment_start_index = 0;
8274
8275 for fragment in &self.fragments {
8276 match fragment {
8277 LineFragment::Text(shaped_line) => {
8278 let fragment_end_x = fragment_start_x + shaped_line.width;
8279 if x < fragment_end_x {
8280 return Some(
8281 fragment_start_index + shaped_line.index_for_x(x - fragment_start_x)?,
8282 );
8283 }
8284 fragment_start_x = fragment_end_x;
8285 fragment_start_index += shaped_line.len;
8286 }
8287 LineFragment::Element { len, size, .. } => {
8288 let fragment_end_x = fragment_start_x + size.width;
8289 if x < fragment_end_x {
8290 return Some(fragment_start_index);
8291 }
8292 fragment_start_index += len;
8293 fragment_start_x = fragment_end_x;
8294 }
8295 }
8296 }
8297
8298 None
8299 }
8300
8301 pub fn font_id_for_index(&self, index: usize) -> Option<FontId> {
8302 let mut fragment_start_index = 0;
8303
8304 for fragment in &self.fragments {
8305 match fragment {
8306 LineFragment::Text(shaped_line) => {
8307 let fragment_end_index = fragment_start_index + shaped_line.len;
8308 if index < fragment_end_index {
8309 return shaped_line.font_id_for_index(index - fragment_start_index);
8310 }
8311 fragment_start_index = fragment_end_index;
8312 }
8313 LineFragment::Element { len, .. } => {
8314 let fragment_end_index = fragment_start_index + len;
8315 if index < fragment_end_index {
8316 return None;
8317 }
8318 fragment_start_index = fragment_end_index;
8319 }
8320 }
8321 }
8322
8323 None
8324 }
8325}
8326
8327#[derive(Debug, Clone, Copy, PartialEq, Eq)]
8328enum Invisible {
8329 /// A tab character
8330 ///
8331 /// A tab character is internally represented by spaces (configured by the user's tab width)
8332 /// aligned to the nearest column, so it's necessary to store the start and end offset for
8333 /// adjacency checks.
8334 Tab {
8335 line_start_offset: usize,
8336 line_end_offset: usize,
8337 },
8338 Whitespace {
8339 line_offset: usize,
8340 },
8341}
8342
8343impl EditorElement {
8344 /// Returns the rem size to use when rendering the [`EditorElement`].
8345 ///
8346 /// This allows UI elements to scale based on the `buffer_font_size`.
8347 fn rem_size(&self, cx: &mut App) -> Option<Pixels> {
8348 match self.editor.read(cx).mode {
8349 EditorMode::Full {
8350 scale_ui_elements_with_buffer_font_size: true,
8351 ..
8352 }
8353 | EditorMode::Minimap { .. } => {
8354 let buffer_font_size = self.style.text.font_size;
8355 match buffer_font_size {
8356 AbsoluteLength::Pixels(pixels) => {
8357 let rem_size_scale = {
8358 // Our default UI font size is 14px on a 16px base scale.
8359 // This means the default UI font size is 0.875rems.
8360 let default_font_size_scale = 14. / ui::BASE_REM_SIZE_IN_PX;
8361
8362 // We then determine the delta between a single rem and the default font
8363 // size scale.
8364 let default_font_size_delta = 1. - default_font_size_scale;
8365
8366 // Finally, we add this delta to 1rem to get the scale factor that
8367 // should be used to scale up the UI.
8368 1. + default_font_size_delta
8369 };
8370
8371 Some(pixels * rem_size_scale)
8372 }
8373 AbsoluteLength::Rems(rems) => {
8374 Some(rems.to_pixels(ui::BASE_REM_SIZE_IN_PX.into()))
8375 }
8376 }
8377 }
8378 // We currently use single-line and auto-height editors in UI contexts,
8379 // so we don't want to scale everything with the buffer font size, as it
8380 // ends up looking off.
8381 _ => None,
8382 }
8383 }
8384
8385 fn editor_with_selections(&self, cx: &App) -> Option<Entity<Editor>> {
8386 if let EditorMode::Minimap { parent } = self.editor.read(cx).mode() {
8387 parent.upgrade()
8388 } else {
8389 Some(self.editor.clone())
8390 }
8391 }
8392}
8393
8394impl Element for EditorElement {
8395 type RequestLayoutState = ();
8396 type PrepaintState = EditorLayout;
8397
8398 fn id(&self) -> Option<ElementId> {
8399 None
8400 }
8401
8402 fn source_location(&self) -> Option<&'static core::panic::Location<'static>> {
8403 None
8404 }
8405
8406 fn request_layout(
8407 &mut self,
8408 _: Option<&GlobalElementId>,
8409 _inspector_id: Option<&gpui::InspectorElementId>,
8410 window: &mut Window,
8411 cx: &mut App,
8412 ) -> (gpui::LayoutId, ()) {
8413 let rem_size = self.rem_size(cx);
8414 window.with_rem_size(rem_size, |window| {
8415 self.editor.update(cx, |editor, cx| {
8416 editor.set_style(self.style.clone(), window, cx);
8417
8418 let layout_id = match editor.mode {
8419 EditorMode::SingleLine => {
8420 let rem_size = window.rem_size();
8421 let height = self.style.text.line_height_in_pixels(rem_size);
8422 let mut style = Style::default();
8423 style.size.height = height.into();
8424 style.size.width = relative(1.).into();
8425 window.request_layout(style, None, cx)
8426 }
8427 EditorMode::AutoHeight {
8428 min_lines,
8429 max_lines,
8430 } => {
8431 let editor_handle = cx.entity();
8432 let max_line_number_width =
8433 self.max_line_number_width(&editor.snapshot(window, cx), window);
8434 window.request_measured_layout(
8435 Style::default(),
8436 move |known_dimensions, available_space, window, cx| {
8437 editor_handle
8438 .update(cx, |editor, cx| {
8439 compute_auto_height_layout(
8440 editor,
8441 min_lines,
8442 max_lines,
8443 max_line_number_width,
8444 known_dimensions,
8445 available_space.width,
8446 window,
8447 cx,
8448 )
8449 })
8450 .unwrap_or_default()
8451 },
8452 )
8453 }
8454 EditorMode::Minimap { .. } => {
8455 let mut style = Style::default();
8456 style.size.width = relative(1.).into();
8457 style.size.height = relative(1.).into();
8458 window.request_layout(style, None, cx)
8459 }
8460 EditorMode::Full {
8461 sized_by_content, ..
8462 } => {
8463 let mut style = Style::default();
8464 style.size.width = relative(1.).into();
8465 if sized_by_content {
8466 let snapshot = editor.snapshot(window, cx);
8467 let line_height =
8468 self.style.text.line_height_in_pixels(window.rem_size());
8469 let scroll_height =
8470 (snapshot.max_point().row().next_row().0 as f32) * line_height;
8471 style.size.height = scroll_height.into();
8472 } else {
8473 style.size.height = relative(1.).into();
8474 }
8475 window.request_layout(style, None, cx)
8476 }
8477 };
8478
8479 (layout_id, ())
8480 })
8481 })
8482 }
8483
8484 fn prepaint(
8485 &mut self,
8486 _: Option<&GlobalElementId>,
8487 _inspector_id: Option<&gpui::InspectorElementId>,
8488 bounds: Bounds<Pixels>,
8489 _: &mut Self::RequestLayoutState,
8490 window: &mut Window,
8491 cx: &mut App,
8492 ) -> Self::PrepaintState {
8493 let text_style = TextStyleRefinement {
8494 font_size: Some(self.style.text.font_size),
8495 line_height: Some(self.style.text.line_height),
8496 ..Default::default()
8497 };
8498
8499 let is_minimap = self.editor.read(cx).mode.is_minimap();
8500
8501 if !is_minimap {
8502 let focus_handle = self.editor.focus_handle(cx);
8503 window.set_view_id(self.editor.entity_id());
8504 window.set_focus_handle(&focus_handle, cx);
8505 }
8506
8507 let rem_size = self.rem_size(cx);
8508 window.with_rem_size(rem_size, |window| {
8509 window.with_text_style(Some(text_style), |window| {
8510 window.with_content_mask(Some(ContentMask { bounds }), |window| {
8511 let (mut snapshot, is_read_only) = self.editor.update(cx, |editor, cx| {
8512 (editor.snapshot(window, cx), editor.read_only(cx))
8513 });
8514 let style = &self.style;
8515
8516 let rem_size = window.rem_size();
8517 let font_id = window.text_system().resolve_font(&style.text.font());
8518 let font_size = style.text.font_size.to_pixels(rem_size);
8519 let line_height = style.text.line_height_in_pixels(rem_size);
8520 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
8521 let em_advance = window.text_system().em_advance(font_id, font_size).unwrap();
8522 let glyph_grid_cell = size(em_advance, line_height);
8523
8524 let gutter_dimensions = snapshot
8525 .gutter_dimensions(
8526 font_id,
8527 font_size,
8528 self.max_line_number_width(&snapshot, window),
8529 cx,
8530 )
8531 .or_else(|| {
8532 self.editor.read(cx).offset_content.then(|| {
8533 GutterDimensions::default_with_margin(font_id, font_size, cx)
8534 })
8535 })
8536 .unwrap_or_default();
8537 let text_width = bounds.size.width - gutter_dimensions.width;
8538
8539 let settings = EditorSettings::get_global(cx);
8540 let scrollbars_shown = settings.scrollbar.show != ShowScrollbar::Never;
8541 let vertical_scrollbar_width = (scrollbars_shown
8542 && settings.scrollbar.axes.vertical
8543 && self.editor.read(cx).show_scrollbars.vertical)
8544 .then_some(style.scrollbar_width)
8545 .unwrap_or_default();
8546 let minimap_width = self
8547 .get_minimap_width(
8548 &settings.minimap,
8549 scrollbars_shown,
8550 text_width,
8551 em_width,
8552 font_size,
8553 rem_size,
8554 cx,
8555 )
8556 .unwrap_or_default();
8557
8558 let right_margin = minimap_width + vertical_scrollbar_width;
8559
8560 let editor_width =
8561 text_width - gutter_dimensions.margin - 2 * em_width - right_margin;
8562 let editor_margins = EditorMargins {
8563 gutter: gutter_dimensions,
8564 right: right_margin,
8565 };
8566
8567 snapshot = self.editor.update(cx, |editor, cx| {
8568 editor.last_bounds = Some(bounds);
8569 editor.gutter_dimensions = gutter_dimensions;
8570 editor.set_visible_line_count(
8571 (bounds.size.height / line_height) as f64,
8572 window,
8573 cx,
8574 );
8575 editor.set_visible_column_count(f64::from(editor_width / em_advance));
8576
8577 if matches!(
8578 editor.mode,
8579 EditorMode::AutoHeight { .. } | EditorMode::Minimap { .. }
8580 ) {
8581 snapshot
8582 } else {
8583 let wrap_width_for = |column: u32| (column as f32 * em_advance).ceil();
8584 let wrap_width = match editor.soft_wrap_mode(cx) {
8585 SoftWrap::GitDiff => None,
8586 SoftWrap::None => Some(wrap_width_for(MAX_LINE_LEN as u32 / 2)),
8587 SoftWrap::EditorWidth => Some(editor_width),
8588 SoftWrap::Column(column) => Some(wrap_width_for(column)),
8589 SoftWrap::Bounded(column) => {
8590 Some(editor_width.min(wrap_width_for(column)))
8591 }
8592 };
8593
8594 if editor.set_wrap_width(wrap_width, cx) {
8595 editor.snapshot(window, cx)
8596 } else {
8597 snapshot
8598 }
8599 }
8600 });
8601
8602 let hitbox = window.insert_hitbox(bounds, HitboxBehavior::Normal);
8603 let gutter_hitbox = window.insert_hitbox(
8604 gutter_bounds(bounds, gutter_dimensions),
8605 HitboxBehavior::Normal,
8606 );
8607 let text_hitbox = window.insert_hitbox(
8608 Bounds {
8609 origin: gutter_hitbox.top_right(),
8610 size: size(text_width, bounds.size.height),
8611 },
8612 HitboxBehavior::Normal,
8613 );
8614
8615 // Offset the content_bounds from the text_bounds by the gutter margin (which
8616 // is roughly half a character wide) to make hit testing work more like how we want.
8617 let content_offset = point(editor_margins.gutter.margin, Pixels::ZERO);
8618 let content_origin = text_hitbox.origin + content_offset;
8619
8620 let height_in_lines = f64::from(bounds.size.height / line_height);
8621 let max_row = snapshot.max_point().row().as_f64();
8622
8623 // The max scroll position for the top of the window
8624 let max_scroll_top = if matches!(
8625 snapshot.mode,
8626 EditorMode::SingleLine
8627 | EditorMode::AutoHeight { .. }
8628 | EditorMode::Full {
8629 sized_by_content: true,
8630 ..
8631 }
8632 ) {
8633 (max_row - height_in_lines + 1.).max(0.)
8634 } else {
8635 let settings = EditorSettings::get_global(cx);
8636 match settings.scroll_beyond_last_line {
8637 ScrollBeyondLastLine::OnePage => max_row,
8638 ScrollBeyondLastLine::Off => (max_row - height_in_lines + 1.).max(0.),
8639 ScrollBeyondLastLine::VerticalScrollMargin => {
8640 (max_row - height_in_lines + 1. + settings.vertical_scroll_margin)
8641 .max(0.)
8642 }
8643 }
8644 };
8645
8646 let (
8647 autoscroll_request,
8648 autoscroll_containing_element,
8649 needs_horizontal_autoscroll,
8650 ) = self.editor.update(cx, |editor, cx| {
8651 let autoscroll_request = editor.scroll_manager.take_autoscroll_request();
8652
8653 let autoscroll_containing_element =
8654 autoscroll_request.is_some() || editor.has_pending_selection();
8655
8656 let (needs_horizontal_autoscroll, was_scrolled) = editor
8657 .autoscroll_vertically(
8658 bounds,
8659 line_height,
8660 max_scroll_top,
8661 autoscroll_request,
8662 window,
8663 cx,
8664 );
8665 if was_scrolled.0 {
8666 snapshot = editor.snapshot(window, cx);
8667 }
8668 (
8669 autoscroll_request,
8670 autoscroll_containing_element,
8671 needs_horizontal_autoscroll,
8672 )
8673 });
8674
8675 let mut scroll_position = snapshot.scroll_position();
8676 // The scroll position is a fractional point, the whole number of which represents
8677 // the top of the window in terms of display rows.
8678 let start_row = DisplayRow(scroll_position.y as u32);
8679 let max_row = snapshot.max_point().row();
8680 let end_row = cmp::min(
8681 (scroll_position.y + height_in_lines).ceil() as u32,
8682 max_row.next_row().0,
8683 );
8684 let end_row = DisplayRow(end_row);
8685
8686 let row_infos = snapshot
8687 .row_infos(start_row)
8688 .take((start_row..end_row).len())
8689 .collect::<Vec<RowInfo>>();
8690 let is_row_soft_wrapped = |row: usize| {
8691 row_infos
8692 .get(row)
8693 .is_none_or(|info| info.buffer_row.is_none())
8694 };
8695
8696 let start_anchor = if start_row == Default::default() {
8697 Anchor::min()
8698 } else {
8699 snapshot.buffer_snapshot().anchor_before(
8700 DisplayPoint::new(start_row, 0).to_offset(&snapshot, Bias::Left),
8701 )
8702 };
8703 let end_anchor = if end_row > max_row {
8704 Anchor::max()
8705 } else {
8706 snapshot.buffer_snapshot().anchor_before(
8707 DisplayPoint::new(end_row, 0).to_offset(&snapshot, Bias::Right),
8708 )
8709 };
8710
8711 let mut highlighted_rows = self
8712 .editor
8713 .update(cx, |editor, cx| editor.highlighted_display_rows(window, cx));
8714
8715 let is_light = cx.theme().appearance().is_light();
8716
8717 for (ix, row_info) in row_infos.iter().enumerate() {
8718 let Some(diff_status) = row_info.diff_status else {
8719 continue;
8720 };
8721
8722 let background_color = match diff_status.kind {
8723 DiffHunkStatusKind::Added => cx.theme().colors().version_control_added,
8724 DiffHunkStatusKind::Deleted => {
8725 cx.theme().colors().version_control_deleted
8726 }
8727 DiffHunkStatusKind::Modified => {
8728 debug_panic!("modified diff status for row info");
8729 continue;
8730 }
8731 };
8732
8733 let hunk_opacity = if is_light { 0.16 } else { 0.12 };
8734
8735 let hollow_highlight = LineHighlight {
8736 background: (background_color.opacity(if is_light {
8737 0.08
8738 } else {
8739 0.06
8740 }))
8741 .into(),
8742 border: Some(if is_light {
8743 background_color.opacity(0.48)
8744 } else {
8745 background_color.opacity(0.36)
8746 }),
8747 include_gutter: true,
8748 type_id: None,
8749 };
8750
8751 let filled_highlight = LineHighlight {
8752 background: solid_background(background_color.opacity(hunk_opacity)),
8753 border: None,
8754 include_gutter: true,
8755 type_id: None,
8756 };
8757
8758 let background = if Self::diff_hunk_hollow(diff_status, cx) {
8759 hollow_highlight
8760 } else {
8761 filled_highlight
8762 };
8763
8764 highlighted_rows
8765 .entry(start_row + DisplayRow(ix as u32))
8766 .or_insert(background);
8767 }
8768
8769 let highlighted_ranges = self
8770 .editor_with_selections(cx)
8771 .map(|editor| {
8772 editor.read(cx).background_highlights_in_range(
8773 start_anchor..end_anchor,
8774 &snapshot.display_snapshot,
8775 cx.theme(),
8776 )
8777 })
8778 .unwrap_or_default();
8779 let highlighted_gutter_ranges =
8780 self.editor.read(cx).gutter_highlights_in_range(
8781 start_anchor..end_anchor,
8782 &snapshot.display_snapshot,
8783 cx,
8784 );
8785
8786 let document_colors = self
8787 .editor
8788 .read(cx)
8789 .colors
8790 .as_ref()
8791 .map(|colors| colors.editor_display_highlights(&snapshot));
8792 let redacted_ranges = self.editor.read(cx).redacted_ranges(
8793 start_anchor..end_anchor,
8794 &snapshot.display_snapshot,
8795 cx,
8796 );
8797
8798 let (local_selections, selected_buffer_ids): (
8799 Vec<Selection<Point>>,
8800 Vec<BufferId>,
8801 ) = self
8802 .editor_with_selections(cx)
8803 .map(|editor| {
8804 editor.update(cx, |editor, cx| {
8805 let all_selections =
8806 editor.selections.all::<Point>(&snapshot.display_snapshot);
8807 let selected_buffer_ids =
8808 if editor.buffer_kind(cx) == ItemBufferKind::Singleton {
8809 Vec::new()
8810 } else {
8811 let mut selected_buffer_ids =
8812 Vec::with_capacity(all_selections.len());
8813
8814 for selection in all_selections {
8815 for buffer_id in snapshot
8816 .buffer_snapshot()
8817 .buffer_ids_for_range(selection.range())
8818 {
8819 if selected_buffer_ids.last() != Some(&buffer_id) {
8820 selected_buffer_ids.push(buffer_id);
8821 }
8822 }
8823 }
8824
8825 selected_buffer_ids
8826 };
8827
8828 let mut selections = editor.selections.disjoint_in_range(
8829 start_anchor..end_anchor,
8830 &snapshot.display_snapshot,
8831 );
8832 selections
8833 .extend(editor.selections.pending(&snapshot.display_snapshot));
8834
8835 (selections, selected_buffer_ids)
8836 })
8837 })
8838 .unwrap_or_default();
8839
8840 let (selections, mut active_rows, newest_selection_head) = self
8841 .layout_selections(
8842 start_anchor,
8843 end_anchor,
8844 &local_selections,
8845 &snapshot,
8846 start_row,
8847 end_row,
8848 window,
8849 cx,
8850 );
8851 let mut breakpoint_rows = self.editor.update(cx, |editor, cx| {
8852 editor.active_breakpoints(start_row..end_row, window, cx)
8853 });
8854 for (display_row, (_, bp, state)) in &breakpoint_rows {
8855 if bp.is_enabled() && state.is_none_or(|s| s.verified) {
8856 active_rows.entry(*display_row).or_default().breakpoint = true;
8857 }
8858 }
8859
8860 let line_numbers = self.layout_line_numbers(
8861 Some(&gutter_hitbox),
8862 gutter_dimensions,
8863 line_height,
8864 scroll_position,
8865 start_row..end_row,
8866 &row_infos,
8867 &active_rows,
8868 newest_selection_head,
8869 &snapshot,
8870 window,
8871 cx,
8872 );
8873
8874 // We add the gutter breakpoint indicator to breakpoint_rows after painting
8875 // line numbers so we don't paint a line number debug accent color if a user
8876 // has their mouse over that line when a breakpoint isn't there
8877 self.editor.update(cx, |editor, _| {
8878 if let Some(phantom_breakpoint) = &mut editor
8879 .gutter_breakpoint_indicator
8880 .0
8881 .filter(|phantom_breakpoint| phantom_breakpoint.is_active)
8882 {
8883 // Is there a non-phantom breakpoint on this line?
8884 phantom_breakpoint.collides_with_existing_breakpoint = true;
8885 breakpoint_rows
8886 .entry(phantom_breakpoint.display_row)
8887 .or_insert_with(|| {
8888 let position = snapshot.display_point_to_anchor(
8889 DisplayPoint::new(phantom_breakpoint.display_row, 0),
8890 Bias::Right,
8891 );
8892 let breakpoint = Breakpoint::new_standard();
8893 phantom_breakpoint.collides_with_existing_breakpoint = false;
8894 (position, breakpoint, None)
8895 });
8896 }
8897 });
8898
8899 let mut expand_toggles =
8900 window.with_element_namespace("expand_toggles", |window| {
8901 self.layout_expand_toggles(
8902 &gutter_hitbox,
8903 gutter_dimensions,
8904 em_width,
8905 line_height,
8906 scroll_position,
8907 &row_infos,
8908 window,
8909 cx,
8910 )
8911 });
8912
8913 let mut crease_toggles =
8914 window.with_element_namespace("crease_toggles", |window| {
8915 self.layout_crease_toggles(
8916 start_row..end_row,
8917 &row_infos,
8918 &active_rows,
8919 &snapshot,
8920 window,
8921 cx,
8922 )
8923 });
8924 let crease_trailers =
8925 window.with_element_namespace("crease_trailers", |window| {
8926 self.layout_crease_trailers(
8927 row_infos.iter().copied(),
8928 &snapshot,
8929 window,
8930 cx,
8931 )
8932 });
8933
8934 let display_hunks = self.layout_gutter_diff_hunks(
8935 line_height,
8936 &gutter_hitbox,
8937 start_row..end_row,
8938 &snapshot,
8939 window,
8940 cx,
8941 );
8942
8943 let bg_segments_per_row = Self::bg_segments_per_row(
8944 start_row..end_row,
8945 &selections,
8946 &highlighted_ranges,
8947 self.style.background,
8948 );
8949
8950 let mut line_layouts = Self::layout_lines(
8951 start_row..end_row,
8952 &snapshot,
8953 &self.style,
8954 editor_width,
8955 is_row_soft_wrapped,
8956 &bg_segments_per_row,
8957 window,
8958 cx,
8959 );
8960 let new_renderer_widths = (!is_minimap).then(|| {
8961 line_layouts
8962 .iter()
8963 .flat_map(|layout| &layout.fragments)
8964 .filter_map(|fragment| {
8965 if let LineFragment::Element { id, size, .. } = fragment {
8966 Some((*id, size.width))
8967 } else {
8968 None
8969 }
8970 })
8971 });
8972 if new_renderer_widths.is_some_and(|new_renderer_widths| {
8973 self.editor.update(cx, |editor, cx| {
8974 editor.update_renderer_widths(new_renderer_widths, cx)
8975 })
8976 }) {
8977 // If the fold widths have changed, we need to prepaint
8978 // the element again to account for any changes in
8979 // wrapping.
8980 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
8981 }
8982
8983 let longest_line_blame_width = self
8984 .editor
8985 .update(cx, |editor, cx| {
8986 if !editor.show_git_blame_inline {
8987 return None;
8988 }
8989 let blame = editor.blame.as_ref()?;
8990 let (_, blame_entry) = blame
8991 .update(cx, |blame, cx| {
8992 let row_infos =
8993 snapshot.row_infos(snapshot.longest_row()).next()?;
8994 blame.blame_for_rows(&[row_infos], cx).next()
8995 })
8996 .flatten()?;
8997 let mut element = render_inline_blame_entry(blame_entry, style, cx)?;
8998 let inline_blame_padding =
8999 ProjectSettings::get_global(cx).git.inline_blame.padding as f32
9000 * em_advance;
9001 Some(
9002 element
9003 .layout_as_root(AvailableSpace::min_size(), window, cx)
9004 .width
9005 + inline_blame_padding,
9006 )
9007 })
9008 .unwrap_or(Pixels::ZERO);
9009
9010 let longest_line_width = layout_line(
9011 snapshot.longest_row(),
9012 &snapshot,
9013 style,
9014 editor_width,
9015 is_row_soft_wrapped,
9016 window,
9017 cx,
9018 )
9019 .width;
9020
9021 let scrollbar_layout_information = ScrollbarLayoutInformation::new(
9022 text_hitbox.bounds,
9023 glyph_grid_cell,
9024 size(
9025 longest_line_width,
9026 Pixels::from(max_row.as_f64() * f64::from(line_height)),
9027 ),
9028 longest_line_blame_width,
9029 EditorSettings::get_global(cx),
9030 );
9031
9032 let mut scroll_width = scrollbar_layout_information.scroll_range.width;
9033
9034 let sticky_header_excerpt = if snapshot.buffer_snapshot().show_headers() {
9035 snapshot.sticky_header_excerpt(scroll_position.y)
9036 } else {
9037 None
9038 };
9039 let sticky_header_excerpt_id =
9040 sticky_header_excerpt.as_ref().map(|top| top.excerpt.id);
9041
9042 let blocks = (!is_minimap)
9043 .then(|| {
9044 window.with_element_namespace("blocks", |window| {
9045 self.render_blocks(
9046 start_row..end_row,
9047 &snapshot,
9048 &hitbox,
9049 &text_hitbox,
9050 editor_width,
9051 &mut scroll_width,
9052 &editor_margins,
9053 em_width,
9054 gutter_dimensions.full_width(),
9055 line_height,
9056 &mut line_layouts,
9057 &local_selections,
9058 &selected_buffer_ids,
9059 is_row_soft_wrapped,
9060 sticky_header_excerpt_id,
9061 window,
9062 cx,
9063 )
9064 })
9065 })
9066 .unwrap_or_else(|| Ok((Vec::default(), HashMap::default())));
9067 let (mut blocks, row_block_types) = match blocks {
9068 Ok(blocks) => blocks,
9069 Err(resized_blocks) => {
9070 self.editor.update(cx, |editor, cx| {
9071 editor.resize_blocks(
9072 resized_blocks,
9073 autoscroll_request.map(|(autoscroll, _)| autoscroll),
9074 cx,
9075 )
9076 });
9077 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
9078 }
9079 };
9080
9081 let sticky_buffer_header = sticky_header_excerpt.map(|sticky_header_excerpt| {
9082 window.with_element_namespace("blocks", |window| {
9083 self.layout_sticky_buffer_header(
9084 sticky_header_excerpt,
9085 scroll_position,
9086 line_height,
9087 right_margin,
9088 &snapshot,
9089 &hitbox,
9090 &selected_buffer_ids,
9091 &blocks,
9092 window,
9093 cx,
9094 )
9095 })
9096 });
9097
9098 let start_buffer_row =
9099 MultiBufferRow(start_anchor.to_point(&snapshot.buffer_snapshot()).row);
9100 let end_buffer_row =
9101 MultiBufferRow(end_anchor.to_point(&snapshot.buffer_snapshot()).row);
9102
9103 let scroll_max: gpui::Point<ScrollPixelOffset> = point(
9104 ScrollPixelOffset::from(
9105 ((scroll_width - editor_width) / em_advance).max(0.0),
9106 ),
9107 max_scroll_top,
9108 );
9109
9110 self.editor.update(cx, |editor, cx| {
9111 if editor.scroll_manager.clamp_scroll_left(scroll_max.x) {
9112 scroll_position.x = scroll_position.x.min(scroll_max.x);
9113 }
9114
9115 if needs_horizontal_autoscroll.0
9116 && let Some(new_scroll_position) = editor.autoscroll_horizontally(
9117 start_row,
9118 editor_width,
9119 scroll_width,
9120 em_advance,
9121 &line_layouts,
9122 autoscroll_request,
9123 window,
9124 cx,
9125 )
9126 {
9127 scroll_position = new_scroll_position;
9128 }
9129 });
9130
9131 let scroll_pixel_position = point(
9132 scroll_position.x * f64::from(em_advance),
9133 scroll_position.y * f64::from(line_height),
9134 );
9135 let indent_guides = self.layout_indent_guides(
9136 content_origin,
9137 text_hitbox.origin,
9138 start_buffer_row..end_buffer_row,
9139 scroll_pixel_position,
9140 line_height,
9141 &snapshot,
9142 window,
9143 cx,
9144 );
9145
9146 let crease_trailers =
9147 window.with_element_namespace("crease_trailers", |window| {
9148 self.prepaint_crease_trailers(
9149 crease_trailers,
9150 &line_layouts,
9151 line_height,
9152 content_origin,
9153 scroll_pixel_position,
9154 em_width,
9155 window,
9156 cx,
9157 )
9158 });
9159
9160 let (edit_prediction_popover, edit_prediction_popover_origin) = self
9161 .editor
9162 .update(cx, |editor, cx| {
9163 editor.render_edit_prediction_popover(
9164 &text_hitbox.bounds,
9165 content_origin,
9166 right_margin,
9167 &snapshot,
9168 start_row..end_row,
9169 scroll_position.y,
9170 scroll_position.y + height_in_lines,
9171 &line_layouts,
9172 line_height,
9173 scroll_position,
9174 scroll_pixel_position,
9175 newest_selection_head,
9176 editor_width,
9177 style,
9178 window,
9179 cx,
9180 )
9181 })
9182 .unzip();
9183
9184 let mut inline_diagnostics = self.layout_inline_diagnostics(
9185 &line_layouts,
9186 &crease_trailers,
9187 &row_block_types,
9188 content_origin,
9189 scroll_position,
9190 scroll_pixel_position,
9191 edit_prediction_popover_origin,
9192 start_row,
9193 end_row,
9194 line_height,
9195 em_width,
9196 style,
9197 window,
9198 cx,
9199 );
9200
9201 let mut inline_blame_layout = None;
9202 let mut inline_code_actions = None;
9203 if let Some(newest_selection_head) = newest_selection_head {
9204 let display_row = newest_selection_head.row();
9205 if (start_row..end_row).contains(&display_row)
9206 && !row_block_types.contains_key(&display_row)
9207 {
9208 inline_code_actions = self.layout_inline_code_actions(
9209 newest_selection_head,
9210 content_origin,
9211 scroll_position,
9212 scroll_pixel_position,
9213 line_height,
9214 &snapshot,
9215 window,
9216 cx,
9217 );
9218
9219 let line_ix = display_row.minus(start_row) as usize;
9220 if let (Some(row_info), Some(line_layout), Some(crease_trailer)) = (
9221 row_infos.get(line_ix),
9222 line_layouts.get(line_ix),
9223 crease_trailers.get(line_ix),
9224 ) {
9225 let crease_trailer_layout = crease_trailer.as_ref();
9226 if let Some(layout) = self.layout_inline_blame(
9227 display_row,
9228 row_info,
9229 line_layout,
9230 crease_trailer_layout,
9231 em_width,
9232 content_origin,
9233 scroll_position,
9234 scroll_pixel_position,
9235 line_height,
9236 &text_hitbox,
9237 window,
9238 cx,
9239 ) {
9240 inline_blame_layout = Some(layout);
9241 // Blame overrides inline diagnostics
9242 inline_diagnostics.remove(&display_row);
9243 }
9244 } else {
9245 log::error!(
9246 "bug: line_ix {} is out of bounds - row_infos.len(): {}, \
9247 line_layouts.len(): {}, \
9248 crease_trailers.len(): {}",
9249 line_ix,
9250 row_infos.len(),
9251 line_layouts.len(),
9252 crease_trailers.len(),
9253 );
9254 }
9255 }
9256 }
9257
9258 let blamed_display_rows = self.layout_blame_entries(
9259 &row_infos,
9260 em_width,
9261 scroll_position,
9262 line_height,
9263 &gutter_hitbox,
9264 gutter_dimensions.git_blame_entries_width,
9265 window,
9266 cx,
9267 );
9268
9269 let line_elements = self.prepaint_lines(
9270 start_row,
9271 &mut line_layouts,
9272 line_height,
9273 scroll_position,
9274 scroll_pixel_position,
9275 content_origin,
9276 window,
9277 cx,
9278 );
9279
9280 window.with_element_namespace("blocks", |window| {
9281 self.layout_blocks(
9282 &mut blocks,
9283 &hitbox,
9284 line_height,
9285 scroll_position,
9286 scroll_pixel_position,
9287 window,
9288 cx,
9289 );
9290 });
9291
9292 let cursors = self.collect_cursors(&snapshot, cx);
9293 let visible_row_range = start_row..end_row;
9294 let non_visible_cursors = cursors
9295 .iter()
9296 .any(|c| !visible_row_range.contains(&c.0.row()));
9297
9298 let visible_cursors = self.layout_visible_cursors(
9299 &snapshot,
9300 &selections,
9301 &row_block_types,
9302 start_row..end_row,
9303 &line_layouts,
9304 &text_hitbox,
9305 content_origin,
9306 scroll_position,
9307 scroll_pixel_position,
9308 line_height,
9309 em_width,
9310 em_advance,
9311 autoscroll_containing_element,
9312 window,
9313 cx,
9314 );
9315
9316 let scrollbars_layout = self.layout_scrollbars(
9317 &snapshot,
9318 &scrollbar_layout_information,
9319 content_offset,
9320 scroll_position,
9321 non_visible_cursors,
9322 right_margin,
9323 editor_width,
9324 window,
9325 cx,
9326 );
9327
9328 let gutter_settings = EditorSettings::get_global(cx).gutter;
9329
9330 let context_menu_layout =
9331 if let Some(newest_selection_head) = newest_selection_head {
9332 let newest_selection_point =
9333 newest_selection_head.to_point(&snapshot.display_snapshot);
9334 if (start_row..end_row).contains(&newest_selection_head.row()) {
9335 self.layout_cursor_popovers(
9336 line_height,
9337 &text_hitbox,
9338 content_origin,
9339 right_margin,
9340 start_row,
9341 scroll_pixel_position,
9342 &line_layouts,
9343 newest_selection_head,
9344 newest_selection_point,
9345 style,
9346 window,
9347 cx,
9348 )
9349 } else {
9350 None
9351 }
9352 } else {
9353 None
9354 };
9355
9356 self.layout_gutter_menu(
9357 line_height,
9358 &text_hitbox,
9359 content_origin,
9360 right_margin,
9361 scroll_pixel_position,
9362 gutter_dimensions.width - gutter_dimensions.left_padding,
9363 window,
9364 cx,
9365 );
9366
9367 let test_indicators = if gutter_settings.runnables {
9368 self.layout_run_indicators(
9369 line_height,
9370 start_row..end_row,
9371 &row_infos,
9372 scroll_position,
9373 &gutter_dimensions,
9374 &gutter_hitbox,
9375 &display_hunks,
9376 &snapshot,
9377 &mut breakpoint_rows,
9378 window,
9379 cx,
9380 )
9381 } else {
9382 Vec::new()
9383 };
9384
9385 let show_breakpoints = snapshot
9386 .show_breakpoints
9387 .unwrap_or(gutter_settings.breakpoints);
9388 let breakpoints = if show_breakpoints {
9389 self.layout_breakpoints(
9390 line_height,
9391 start_row..end_row,
9392 scroll_position,
9393 &gutter_dimensions,
9394 &gutter_hitbox,
9395 &display_hunks,
9396 &snapshot,
9397 breakpoint_rows,
9398 &row_infos,
9399 window,
9400 cx,
9401 )
9402 } else {
9403 Vec::new()
9404 };
9405
9406 self.layout_signature_help(
9407 &hitbox,
9408 content_origin,
9409 scroll_pixel_position,
9410 newest_selection_head,
9411 start_row,
9412 &line_layouts,
9413 line_height,
9414 em_width,
9415 context_menu_layout,
9416 window,
9417 cx,
9418 );
9419
9420 if !cx.has_active_drag() {
9421 self.layout_hover_popovers(
9422 &snapshot,
9423 &hitbox,
9424 start_row..end_row,
9425 content_origin,
9426 scroll_pixel_position,
9427 &line_layouts,
9428 line_height,
9429 em_width,
9430 context_menu_layout,
9431 window,
9432 cx,
9433 );
9434 }
9435
9436 let mouse_context_menu = self.layout_mouse_context_menu(
9437 &snapshot,
9438 start_row..end_row,
9439 content_origin,
9440 window,
9441 cx,
9442 );
9443
9444 window.with_element_namespace("crease_toggles", |window| {
9445 self.prepaint_crease_toggles(
9446 &mut crease_toggles,
9447 line_height,
9448 &gutter_dimensions,
9449 gutter_settings,
9450 scroll_pixel_position,
9451 &gutter_hitbox,
9452 window,
9453 cx,
9454 )
9455 });
9456
9457 window.with_element_namespace("expand_toggles", |window| {
9458 self.prepaint_expand_toggles(&mut expand_toggles, window, cx)
9459 });
9460
9461 let wrap_guides = self.layout_wrap_guides(
9462 em_advance,
9463 scroll_position,
9464 content_origin,
9465 scrollbars_layout.as_ref(),
9466 vertical_scrollbar_width,
9467 &hitbox,
9468 window,
9469 cx,
9470 );
9471
9472 let minimap = window.with_element_namespace("minimap", |window| {
9473 self.layout_minimap(
9474 &snapshot,
9475 minimap_width,
9476 scroll_position,
9477 &scrollbar_layout_information,
9478 scrollbars_layout.as_ref(),
9479 window,
9480 cx,
9481 )
9482 });
9483
9484 let invisible_symbol_font_size = font_size / 2.;
9485 let whitespace_map = &self
9486 .editor
9487 .read(cx)
9488 .buffer
9489 .read(cx)
9490 .language_settings(cx)
9491 .whitespace_map;
9492
9493 let tab_char = whitespace_map.tab.clone();
9494 let tab_len = tab_char.len();
9495 let tab_invisible = window.text_system().shape_line(
9496 tab_char,
9497 invisible_symbol_font_size,
9498 &[TextRun {
9499 len: tab_len,
9500 font: self.style.text.font(),
9501 color: cx.theme().colors().editor_invisible,
9502 background_color: None,
9503 underline: None,
9504 strikethrough: None,
9505 }],
9506 None,
9507 );
9508
9509 let space_char = whitespace_map.space.clone();
9510 let space_len = space_char.len();
9511 let space_invisible = window.text_system().shape_line(
9512 space_char,
9513 invisible_symbol_font_size,
9514 &[TextRun {
9515 len: space_len,
9516 font: self.style.text.font(),
9517 color: cx.theme().colors().editor_invisible,
9518 background_color: None,
9519 underline: None,
9520 strikethrough: None,
9521 }],
9522 None,
9523 );
9524
9525 let mode = snapshot.mode.clone();
9526
9527 let (diff_hunk_controls, diff_hunk_control_bounds) = if is_read_only {
9528 (vec![], vec![])
9529 } else {
9530 self.layout_diff_hunk_controls(
9531 start_row..end_row,
9532 &row_infos,
9533 &text_hitbox,
9534 newest_selection_head,
9535 line_height,
9536 right_margin,
9537 scroll_pixel_position,
9538 &display_hunks,
9539 &highlighted_rows,
9540 self.editor.clone(),
9541 window,
9542 cx,
9543 )
9544 };
9545
9546 let position_map = Rc::new(PositionMap {
9547 size: bounds.size,
9548 visible_row_range,
9549 scroll_position,
9550 scroll_pixel_position,
9551 scroll_max,
9552 line_layouts,
9553 line_height,
9554 em_width,
9555 em_advance,
9556 snapshot,
9557 gutter_hitbox: gutter_hitbox.clone(),
9558 text_hitbox: text_hitbox.clone(),
9559 inline_blame_bounds: inline_blame_layout
9560 .as_ref()
9561 .map(|layout| (layout.bounds, layout.buffer_id, layout.entry.clone())),
9562 display_hunks: display_hunks.clone(),
9563 diff_hunk_control_bounds,
9564 });
9565
9566 self.editor.update(cx, |editor, _| {
9567 editor.last_position_map = Some(position_map.clone())
9568 });
9569
9570 EditorLayout {
9571 mode,
9572 position_map,
9573 visible_display_row_range: start_row..end_row,
9574 wrap_guides,
9575 indent_guides,
9576 hitbox,
9577 gutter_hitbox,
9578 display_hunks,
9579 content_origin,
9580 scrollbars_layout,
9581 minimap,
9582 active_rows,
9583 highlighted_rows,
9584 highlighted_ranges,
9585 highlighted_gutter_ranges,
9586 redacted_ranges,
9587 document_colors,
9588 line_elements,
9589 line_numbers,
9590 blamed_display_rows,
9591 inline_diagnostics,
9592 inline_blame_layout,
9593 inline_code_actions,
9594 blocks,
9595 cursors,
9596 visible_cursors,
9597 selections,
9598 edit_prediction_popover,
9599 diff_hunk_controls,
9600 mouse_context_menu,
9601 test_indicators,
9602 breakpoints,
9603 crease_toggles,
9604 crease_trailers,
9605 tab_invisible,
9606 space_invisible,
9607 sticky_buffer_header,
9608 expand_toggles,
9609 }
9610 })
9611 })
9612 })
9613 }
9614
9615 fn paint(
9616 &mut self,
9617 _: Option<&GlobalElementId>,
9618 _inspector_id: Option<&gpui::InspectorElementId>,
9619 bounds: Bounds<gpui::Pixels>,
9620 _: &mut Self::RequestLayoutState,
9621 layout: &mut Self::PrepaintState,
9622 window: &mut Window,
9623 cx: &mut App,
9624 ) {
9625 if !layout.mode.is_minimap() {
9626 let focus_handle = self.editor.focus_handle(cx);
9627 let key_context = self
9628 .editor
9629 .update(cx, |editor, cx| editor.key_context(window, cx));
9630
9631 window.set_key_context(key_context);
9632 window.handle_input(
9633 &focus_handle,
9634 ElementInputHandler::new(bounds, self.editor.clone()),
9635 cx,
9636 );
9637 self.register_actions(window, cx);
9638 self.register_key_listeners(window, cx, layout);
9639 }
9640
9641 let text_style = TextStyleRefinement {
9642 font_size: Some(self.style.text.font_size),
9643 line_height: Some(self.style.text.line_height),
9644 ..Default::default()
9645 };
9646 let rem_size = self.rem_size(cx);
9647 window.with_rem_size(rem_size, |window| {
9648 window.with_text_style(Some(text_style), |window| {
9649 window.with_content_mask(Some(ContentMask { bounds }), |window| {
9650 self.paint_mouse_listeners(layout, window, cx);
9651 self.paint_background(layout, window, cx);
9652 self.paint_indent_guides(layout, window, cx);
9653
9654 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9655 self.paint_blamed_display_rows(layout, window, cx);
9656 self.paint_line_numbers(layout, window, cx);
9657 }
9658
9659 self.paint_text(layout, window, cx);
9660
9661 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9662 self.paint_gutter_highlights(layout, window, cx);
9663 self.paint_gutter_indicators(layout, window, cx);
9664 }
9665
9666 if !layout.blocks.is_empty() {
9667 window.with_element_namespace("blocks", |window| {
9668 self.paint_blocks(layout, window, cx);
9669 });
9670 }
9671
9672 window.with_element_namespace("blocks", |window| {
9673 if let Some(mut sticky_header) = layout.sticky_buffer_header.take() {
9674 sticky_header.paint(window, cx)
9675 }
9676 });
9677
9678 self.paint_minimap(layout, window, cx);
9679 self.paint_scrollbars(layout, window, cx);
9680 self.paint_edit_prediction_popover(layout, window, cx);
9681 self.paint_mouse_context_menu(layout, window, cx);
9682 });
9683 })
9684 })
9685 }
9686}
9687
9688pub(super) fn gutter_bounds(
9689 editor_bounds: Bounds<Pixels>,
9690 gutter_dimensions: GutterDimensions,
9691) -> Bounds<Pixels> {
9692 Bounds {
9693 origin: editor_bounds.origin,
9694 size: size(gutter_dimensions.width, editor_bounds.size.height),
9695 }
9696}
9697
9698#[derive(Clone, Copy)]
9699struct ContextMenuLayout {
9700 y_flipped: bool,
9701 bounds: Bounds<Pixels>,
9702}
9703
9704/// Holds information required for layouting the editor scrollbars.
9705struct ScrollbarLayoutInformation {
9706 /// The bounds of the editor area (excluding the content offset).
9707 editor_bounds: Bounds<Pixels>,
9708 /// The available range to scroll within the document.
9709 scroll_range: Size<Pixels>,
9710 /// The space available for one glyph in the editor.
9711 glyph_grid_cell: Size<Pixels>,
9712}
9713
9714impl ScrollbarLayoutInformation {
9715 pub fn new(
9716 editor_bounds: Bounds<Pixels>,
9717 glyph_grid_cell: Size<Pixels>,
9718 document_size: Size<Pixels>,
9719 longest_line_blame_width: Pixels,
9720 settings: &EditorSettings,
9721 ) -> Self {
9722 let vertical_overscroll = match settings.scroll_beyond_last_line {
9723 ScrollBeyondLastLine::OnePage => editor_bounds.size.height,
9724 ScrollBeyondLastLine::Off => glyph_grid_cell.height,
9725 ScrollBeyondLastLine::VerticalScrollMargin => {
9726 (1.0 + settings.vertical_scroll_margin) as f32 * glyph_grid_cell.height
9727 }
9728 };
9729
9730 let overscroll = size(longest_line_blame_width, vertical_overscroll);
9731
9732 ScrollbarLayoutInformation {
9733 editor_bounds,
9734 scroll_range: document_size + overscroll,
9735 glyph_grid_cell,
9736 }
9737 }
9738}
9739
9740impl IntoElement for EditorElement {
9741 type Element = Self;
9742
9743 fn into_element(self) -> Self::Element {
9744 self
9745 }
9746}
9747
9748pub struct EditorLayout {
9749 position_map: Rc<PositionMap>,
9750 hitbox: Hitbox,
9751 gutter_hitbox: Hitbox,
9752 content_origin: gpui::Point<Pixels>,
9753 scrollbars_layout: Option<EditorScrollbars>,
9754 minimap: Option<MinimapLayout>,
9755 mode: EditorMode,
9756 wrap_guides: SmallVec<[(Pixels, bool); 2]>,
9757 indent_guides: Option<Vec<IndentGuideLayout>>,
9758 visible_display_row_range: Range<DisplayRow>,
9759 active_rows: BTreeMap<DisplayRow, LineHighlightSpec>,
9760 highlighted_rows: BTreeMap<DisplayRow, LineHighlight>,
9761 line_elements: SmallVec<[AnyElement; 1]>,
9762 line_numbers: Arc<HashMap<MultiBufferRow, LineNumberLayout>>,
9763 display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
9764 blamed_display_rows: Option<Vec<AnyElement>>,
9765 inline_diagnostics: HashMap<DisplayRow, AnyElement>,
9766 inline_blame_layout: Option<InlineBlameLayout>,
9767 inline_code_actions: Option<AnyElement>,
9768 blocks: Vec<BlockLayout>,
9769 highlighted_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9770 highlighted_gutter_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9771 redacted_ranges: Vec<Range<DisplayPoint>>,
9772 cursors: Vec<(DisplayPoint, Hsla)>,
9773 visible_cursors: Vec<CursorLayout>,
9774 selections: Vec<(PlayerColor, Vec<SelectionLayout>)>,
9775 test_indicators: Vec<AnyElement>,
9776 breakpoints: Vec<AnyElement>,
9777 crease_toggles: Vec<Option<AnyElement>>,
9778 expand_toggles: Vec<Option<(AnyElement, gpui::Point<Pixels>)>>,
9779 diff_hunk_controls: Vec<AnyElement>,
9780 crease_trailers: Vec<Option<CreaseTrailerLayout>>,
9781 edit_prediction_popover: Option<AnyElement>,
9782 mouse_context_menu: Option<AnyElement>,
9783 tab_invisible: ShapedLine,
9784 space_invisible: ShapedLine,
9785 sticky_buffer_header: Option<AnyElement>,
9786 document_colors: Option<(DocumentColorsRenderMode, Vec<(Range<DisplayPoint>, Hsla)>)>,
9787}
9788
9789impl EditorLayout {
9790 fn line_end_overshoot(&self) -> Pixels {
9791 0.15 * self.position_map.line_height
9792 }
9793}
9794
9795struct LineNumberLayout {
9796 shaped_line: ShapedLine,
9797 hitbox: Option<Hitbox>,
9798}
9799
9800struct ColoredRange<T> {
9801 start: T,
9802 end: T,
9803 color: Hsla,
9804}
9805
9806impl Along for ScrollbarAxes {
9807 type Unit = bool;
9808
9809 fn along(&self, axis: ScrollbarAxis) -> Self::Unit {
9810 match axis {
9811 ScrollbarAxis::Horizontal => self.horizontal,
9812 ScrollbarAxis::Vertical => self.vertical,
9813 }
9814 }
9815
9816 fn apply_along(&self, axis: ScrollbarAxis, f: impl FnOnce(Self::Unit) -> Self::Unit) -> Self {
9817 match axis {
9818 ScrollbarAxis::Horizontal => ScrollbarAxes {
9819 horizontal: f(self.horizontal),
9820 vertical: self.vertical,
9821 },
9822 ScrollbarAxis::Vertical => ScrollbarAxes {
9823 horizontal: self.horizontal,
9824 vertical: f(self.vertical),
9825 },
9826 }
9827 }
9828}
9829
9830#[derive(Clone)]
9831struct EditorScrollbars {
9832 pub vertical: Option<ScrollbarLayout>,
9833 pub horizontal: Option<ScrollbarLayout>,
9834 pub visible: bool,
9835}
9836
9837impl EditorScrollbars {
9838 pub fn from_scrollbar_axes(
9839 show_scrollbar: ScrollbarAxes,
9840 layout_information: &ScrollbarLayoutInformation,
9841 content_offset: gpui::Point<Pixels>,
9842 scroll_position: gpui::Point<f64>,
9843 scrollbar_width: Pixels,
9844 right_margin: Pixels,
9845 editor_width: Pixels,
9846 show_scrollbars: bool,
9847 scrollbar_state: Option<&ActiveScrollbarState>,
9848 window: &mut Window,
9849 ) -> Self {
9850 let ScrollbarLayoutInformation {
9851 editor_bounds,
9852 scroll_range,
9853 glyph_grid_cell,
9854 } = layout_information;
9855
9856 let viewport_size = size(editor_width, editor_bounds.size.height);
9857
9858 let scrollbar_bounds_for = |axis: ScrollbarAxis| match axis {
9859 ScrollbarAxis::Horizontal => Bounds::from_corner_and_size(
9860 Corner::BottomLeft,
9861 editor_bounds.bottom_left(),
9862 size(
9863 // The horizontal viewport size differs from the space available for the
9864 // horizontal scrollbar, so we have to manually stitch it together here.
9865 editor_bounds.size.width - right_margin,
9866 scrollbar_width,
9867 ),
9868 ),
9869 ScrollbarAxis::Vertical => Bounds::from_corner_and_size(
9870 Corner::TopRight,
9871 editor_bounds.top_right(),
9872 size(scrollbar_width, viewport_size.height),
9873 ),
9874 };
9875
9876 let mut create_scrollbar_layout = |axis| {
9877 let viewport_size = viewport_size.along(axis);
9878 let scroll_range = scroll_range.along(axis);
9879
9880 // We always want a vertical scrollbar track for scrollbar diagnostic visibility.
9881 (show_scrollbar.along(axis)
9882 && (axis == ScrollbarAxis::Vertical || scroll_range > viewport_size))
9883 .then(|| {
9884 ScrollbarLayout::new(
9885 window.insert_hitbox(scrollbar_bounds_for(axis), HitboxBehavior::Normal),
9886 viewport_size,
9887 scroll_range,
9888 glyph_grid_cell.along(axis),
9889 content_offset.along(axis),
9890 scroll_position.along(axis),
9891 show_scrollbars,
9892 axis,
9893 )
9894 .with_thumb_state(
9895 scrollbar_state.and_then(|state| state.thumb_state_for_axis(axis)),
9896 )
9897 })
9898 };
9899
9900 Self {
9901 vertical: create_scrollbar_layout(ScrollbarAxis::Vertical),
9902 horizontal: create_scrollbar_layout(ScrollbarAxis::Horizontal),
9903 visible: show_scrollbars,
9904 }
9905 }
9906
9907 pub fn iter_scrollbars(&self) -> impl Iterator<Item = (&ScrollbarLayout, ScrollbarAxis)> + '_ {
9908 [
9909 (&self.vertical, ScrollbarAxis::Vertical),
9910 (&self.horizontal, ScrollbarAxis::Horizontal),
9911 ]
9912 .into_iter()
9913 .filter_map(|(scrollbar, axis)| scrollbar.as_ref().map(|s| (s, axis)))
9914 }
9915
9916 /// Returns the currently hovered scrollbar axis, if any.
9917 pub fn get_hovered_axis(&self, window: &Window) -> Option<(&ScrollbarLayout, ScrollbarAxis)> {
9918 self.iter_scrollbars()
9919 .find(|s| s.0.hitbox.is_hovered(window))
9920 }
9921}
9922
9923#[derive(Clone)]
9924struct ScrollbarLayout {
9925 hitbox: Hitbox,
9926 visible_range: Range<ScrollOffset>,
9927 text_unit_size: Pixels,
9928 thumb_bounds: Option<Bounds<Pixels>>,
9929 thumb_state: ScrollbarThumbState,
9930}
9931
9932impl ScrollbarLayout {
9933 const BORDER_WIDTH: Pixels = px(1.0);
9934 const LINE_MARKER_HEIGHT: Pixels = px(2.0);
9935 const MIN_MARKER_HEIGHT: Pixels = px(5.0);
9936 const MIN_THUMB_SIZE: Pixels = px(25.0);
9937
9938 fn new(
9939 scrollbar_track_hitbox: Hitbox,
9940 viewport_size: Pixels,
9941 scroll_range: Pixels,
9942 glyph_space: Pixels,
9943 content_offset: Pixels,
9944 scroll_position: ScrollOffset,
9945 show_thumb: bool,
9946 axis: ScrollbarAxis,
9947 ) -> Self {
9948 let track_bounds = scrollbar_track_hitbox.bounds;
9949 // The length of the track available to the scrollbar thumb. We deliberately
9950 // exclude the content size here so that the thumb aligns with the content.
9951 let track_length = track_bounds.size.along(axis) - content_offset;
9952
9953 Self::new_with_hitbox_and_track_length(
9954 scrollbar_track_hitbox,
9955 track_length,
9956 viewport_size,
9957 scroll_range.into(),
9958 glyph_space,
9959 content_offset.into(),
9960 scroll_position,
9961 show_thumb,
9962 axis,
9963 )
9964 }
9965
9966 fn for_minimap(
9967 minimap_track_hitbox: Hitbox,
9968 visible_lines: f64,
9969 total_editor_lines: f64,
9970 minimap_line_height: Pixels,
9971 scroll_position: ScrollOffset,
9972 minimap_scroll_top: ScrollOffset,
9973 show_thumb: bool,
9974 ) -> Self {
9975 // The scrollbar thumb size is calculated as
9976 // (visible_content/total_content) Γ scrollbar_track_length.
9977 //
9978 // For the minimap's thumb layout, we leverage this by setting the
9979 // scrollbar track length to the entire document size (using minimap line
9980 // height). This creates a thumb that exactly represents the editor
9981 // viewport scaled to minimap proportions.
9982 //
9983 // We adjust the thumb position relative to `minimap_scroll_top` to
9984 // accommodate for the deliberately oversized track.
9985 //
9986 // This approach ensures that the minimap thumb accurately reflects the
9987 // editor's current scroll position whilst nicely synchronizing the minimap
9988 // thumb and scrollbar thumb.
9989 let scroll_range = total_editor_lines * f64::from(minimap_line_height);
9990 let viewport_size = visible_lines * f64::from(minimap_line_height);
9991
9992 let track_top_offset = -minimap_scroll_top * f64::from(minimap_line_height);
9993
9994 Self::new_with_hitbox_and_track_length(
9995 minimap_track_hitbox,
9996 Pixels::from(scroll_range),
9997 Pixels::from(viewport_size),
9998 scroll_range,
9999 minimap_line_height,
10000 track_top_offset,
10001 scroll_position,
10002 show_thumb,
10003 ScrollbarAxis::Vertical,
10004 )
10005 }
10006
10007 fn new_with_hitbox_and_track_length(
10008 scrollbar_track_hitbox: Hitbox,
10009 track_length: Pixels,
10010 viewport_size: Pixels,
10011 scroll_range: f64,
10012 glyph_space: Pixels,
10013 content_offset: ScrollOffset,
10014 scroll_position: ScrollOffset,
10015 show_thumb: bool,
10016 axis: ScrollbarAxis,
10017 ) -> Self {
10018 let text_units_per_page = f64::from(viewport_size / glyph_space);
10019 let visible_range = scroll_position..scroll_position + text_units_per_page;
10020 let total_text_units = scroll_range / f64::from(glyph_space);
10021
10022 let thumb_percentage = text_units_per_page / total_text_units;
10023 let thumb_size = Pixels::from(ScrollOffset::from(track_length) * thumb_percentage)
10024 .max(ScrollbarLayout::MIN_THUMB_SIZE)
10025 .min(track_length);
10026
10027 let text_unit_divisor = (total_text_units - text_units_per_page).max(0.);
10028
10029 let content_larger_than_viewport = text_unit_divisor > 0.;
10030
10031 let text_unit_size = if content_larger_than_viewport {
10032 Pixels::from(ScrollOffset::from(track_length - thumb_size) / text_unit_divisor)
10033 } else {
10034 glyph_space
10035 };
10036
10037 let thumb_bounds = (show_thumb && content_larger_than_viewport).then(|| {
10038 Self::thumb_bounds(
10039 &scrollbar_track_hitbox,
10040 content_offset,
10041 visible_range.start,
10042 text_unit_size,
10043 thumb_size,
10044 axis,
10045 )
10046 });
10047
10048 ScrollbarLayout {
10049 hitbox: scrollbar_track_hitbox,
10050 visible_range,
10051 text_unit_size,
10052 thumb_bounds,
10053 thumb_state: Default::default(),
10054 }
10055 }
10056
10057 fn with_thumb_state(self, thumb_state: Option<ScrollbarThumbState>) -> Self {
10058 if let Some(thumb_state) = thumb_state {
10059 Self {
10060 thumb_state,
10061 ..self
10062 }
10063 } else {
10064 self
10065 }
10066 }
10067
10068 fn thumb_bounds(
10069 scrollbar_track: &Hitbox,
10070 content_offset: f64,
10071 visible_range_start: f64,
10072 text_unit_size: Pixels,
10073 thumb_size: Pixels,
10074 axis: ScrollbarAxis,
10075 ) -> Bounds<Pixels> {
10076 let thumb_origin = scrollbar_track.origin.apply_along(axis, |origin| {
10077 origin
10078 + Pixels::from(
10079 content_offset + visible_range_start * ScrollOffset::from(text_unit_size),
10080 )
10081 });
10082 Bounds::new(
10083 thumb_origin,
10084 scrollbar_track.size.apply_along(axis, |_| thumb_size),
10085 )
10086 }
10087
10088 fn thumb_hovered(&self, position: &gpui::Point<Pixels>) -> bool {
10089 self.thumb_bounds
10090 .is_some_and(|bounds| bounds.contains(position))
10091 }
10092
10093 fn marker_quads_for_ranges(
10094 &self,
10095 row_ranges: impl IntoIterator<Item = ColoredRange<DisplayRow>>,
10096 column: Option<usize>,
10097 ) -> Vec<PaintQuad> {
10098 struct MinMax {
10099 min: Pixels,
10100 max: Pixels,
10101 }
10102 let (x_range, height_limit) = if let Some(column) = column {
10103 let column_width = ((self.hitbox.size.width - Self::BORDER_WIDTH) / 3.0).floor();
10104 let start = Self::BORDER_WIDTH + (column as f32 * column_width);
10105 let end = start + column_width;
10106 (
10107 Range { start, end },
10108 MinMax {
10109 min: Self::MIN_MARKER_HEIGHT,
10110 max: px(f32::MAX),
10111 },
10112 )
10113 } else {
10114 (
10115 Range {
10116 start: Self::BORDER_WIDTH,
10117 end: self.hitbox.size.width,
10118 },
10119 MinMax {
10120 min: Self::LINE_MARKER_HEIGHT,
10121 max: Self::LINE_MARKER_HEIGHT,
10122 },
10123 )
10124 };
10125
10126 let row_to_y = |row: DisplayRow| row.as_f64() as f32 * self.text_unit_size;
10127 let mut pixel_ranges = row_ranges
10128 .into_iter()
10129 .map(|range| {
10130 let start_y = row_to_y(range.start);
10131 let end_y = row_to_y(range.end)
10132 + self
10133 .text_unit_size
10134 .max(height_limit.min)
10135 .min(height_limit.max);
10136 ColoredRange {
10137 start: start_y,
10138 end: end_y,
10139 color: range.color,
10140 }
10141 })
10142 .peekable();
10143
10144 let mut quads = Vec::new();
10145 while let Some(mut pixel_range) = pixel_ranges.next() {
10146 while let Some(next_pixel_range) = pixel_ranges.peek() {
10147 if pixel_range.end >= next_pixel_range.start - px(1.0)
10148 && pixel_range.color == next_pixel_range.color
10149 {
10150 pixel_range.end = next_pixel_range.end.max(pixel_range.end);
10151 pixel_ranges.next();
10152 } else {
10153 break;
10154 }
10155 }
10156
10157 let bounds = Bounds::from_corners(
10158 point(x_range.start, pixel_range.start),
10159 point(x_range.end, pixel_range.end),
10160 );
10161 quads.push(quad(
10162 bounds,
10163 Corners::default(),
10164 pixel_range.color,
10165 Edges::default(),
10166 Hsla::transparent_black(),
10167 BorderStyle::default(),
10168 ));
10169 }
10170
10171 quads
10172 }
10173}
10174
10175struct MinimapLayout {
10176 pub minimap: AnyElement,
10177 pub thumb_layout: ScrollbarLayout,
10178 pub minimap_scroll_top: ScrollOffset,
10179 pub minimap_line_height: Pixels,
10180 pub thumb_border_style: MinimapThumbBorder,
10181 pub max_scroll_top: ScrollOffset,
10182}
10183
10184impl MinimapLayout {
10185 /// The minimum width of the minimap in columns. If the minimap is smaller than this, it will be hidden.
10186 const MINIMAP_MIN_WIDTH_COLUMNS: f32 = 20.;
10187 /// The minimap width as a percentage of the editor width.
10188 const MINIMAP_WIDTH_PCT: f32 = 0.15;
10189 /// Calculates the scroll top offset the minimap editor has to have based on the
10190 /// current scroll progress.
10191 fn calculate_minimap_top_offset(
10192 document_lines: f64,
10193 visible_editor_lines: f64,
10194 visible_minimap_lines: f64,
10195 scroll_position: f64,
10196 ) -> ScrollOffset {
10197 let non_visible_document_lines = (document_lines - visible_editor_lines).max(0.);
10198 if non_visible_document_lines == 0. {
10199 0.
10200 } else {
10201 let scroll_percentage = (scroll_position / non_visible_document_lines).clamp(0., 1.);
10202 scroll_percentage * (document_lines - visible_minimap_lines).max(0.)
10203 }
10204 }
10205}
10206
10207struct CreaseTrailerLayout {
10208 element: AnyElement,
10209 bounds: Bounds<Pixels>,
10210}
10211
10212pub(crate) struct PositionMap {
10213 pub size: Size<Pixels>,
10214 pub line_height: Pixels,
10215 pub scroll_position: gpui::Point<ScrollOffset>,
10216 pub scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
10217 pub scroll_max: gpui::Point<ScrollOffset>,
10218 pub em_width: Pixels,
10219 pub em_advance: Pixels,
10220 pub visible_row_range: Range<DisplayRow>,
10221 pub line_layouts: Vec<LineWithInvisibles>,
10222 pub snapshot: EditorSnapshot,
10223 pub text_hitbox: Hitbox,
10224 pub gutter_hitbox: Hitbox,
10225 pub inline_blame_bounds: Option<(Bounds<Pixels>, BufferId, BlameEntry)>,
10226 pub display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
10227 pub diff_hunk_control_bounds: Vec<(DisplayRow, Bounds<Pixels>)>,
10228}
10229
10230#[derive(Debug, Copy, Clone)]
10231pub struct PointForPosition {
10232 pub previous_valid: DisplayPoint,
10233 pub next_valid: DisplayPoint,
10234 pub exact_unclipped: DisplayPoint,
10235 pub column_overshoot_after_line_end: u32,
10236}
10237
10238impl PointForPosition {
10239 pub fn as_valid(&self) -> Option<DisplayPoint> {
10240 if self.previous_valid == self.exact_unclipped && self.next_valid == self.exact_unclipped {
10241 Some(self.previous_valid)
10242 } else {
10243 None
10244 }
10245 }
10246
10247 pub fn intersects_selection(&self, selection: &Selection<DisplayPoint>) -> bool {
10248 let Some(valid_point) = self.as_valid() else {
10249 return false;
10250 };
10251 let range = selection.range();
10252
10253 let candidate_row = valid_point.row();
10254 let candidate_col = valid_point.column();
10255
10256 let start_row = range.start.row();
10257 let start_col = range.start.column();
10258 let end_row = range.end.row();
10259 let end_col = range.end.column();
10260
10261 if candidate_row < start_row || candidate_row > end_row {
10262 false
10263 } else if start_row == end_row {
10264 candidate_col >= start_col && candidate_col < end_col
10265 } else if candidate_row == start_row {
10266 candidate_col >= start_col
10267 } else if candidate_row == end_row {
10268 candidate_col < end_col
10269 } else {
10270 true
10271 }
10272 }
10273}
10274
10275impl PositionMap {
10276 pub(crate) fn point_for_position(&self, position: gpui::Point<Pixels>) -> PointForPosition {
10277 let text_bounds = self.text_hitbox.bounds;
10278 let scroll_position = self.snapshot.scroll_position();
10279 let position = position - text_bounds.origin;
10280 let y = position.y.max(px(0.)).min(self.size.height);
10281 let x = position.x + (scroll_position.x as f32 * self.em_advance);
10282 let row = ((y / self.line_height) as f64 + scroll_position.y) as u32;
10283
10284 let (column, x_overshoot_after_line_end) = if let Some(line) = self
10285 .line_layouts
10286 .get(row as usize - scroll_position.y as usize)
10287 {
10288 if let Some(ix) = line.index_for_x(x) {
10289 (ix as u32, px(0.))
10290 } else {
10291 (line.len as u32, px(0.).max(x - line.width))
10292 }
10293 } else {
10294 (0, x)
10295 };
10296
10297 let mut exact_unclipped = DisplayPoint::new(DisplayRow(row), column);
10298 let previous_valid = self.snapshot.clip_point(exact_unclipped, Bias::Left);
10299 let next_valid = self.snapshot.clip_point(exact_unclipped, Bias::Right);
10300
10301 let column_overshoot_after_line_end = (x_overshoot_after_line_end / self.em_advance) as u32;
10302 *exact_unclipped.column_mut() += column_overshoot_after_line_end;
10303 PointForPosition {
10304 previous_valid,
10305 next_valid,
10306 exact_unclipped,
10307 column_overshoot_after_line_end,
10308 }
10309 }
10310}
10311
10312struct BlockLayout {
10313 id: BlockId,
10314 x_offset: Pixels,
10315 row: Option<DisplayRow>,
10316 element: AnyElement,
10317 available_space: Size<AvailableSpace>,
10318 style: BlockStyle,
10319 overlaps_gutter: bool,
10320 is_buffer_header: bool,
10321}
10322
10323pub fn layout_line(
10324 row: DisplayRow,
10325 snapshot: &EditorSnapshot,
10326 style: &EditorStyle,
10327 text_width: Pixels,
10328 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
10329 window: &mut Window,
10330 cx: &mut App,
10331) -> LineWithInvisibles {
10332 let chunks = snapshot.highlighted_chunks(row..row + DisplayRow(1), true, style);
10333 LineWithInvisibles::from_chunks(
10334 chunks,
10335 style,
10336 MAX_LINE_LEN,
10337 1,
10338 &snapshot.mode,
10339 text_width,
10340 is_row_soft_wrapped,
10341 &[],
10342 window,
10343 cx,
10344 )
10345 .pop()
10346 .unwrap()
10347}
10348
10349#[derive(Debug)]
10350pub struct IndentGuideLayout {
10351 origin: gpui::Point<Pixels>,
10352 length: Pixels,
10353 single_indent_width: Pixels,
10354 depth: u32,
10355 active: bool,
10356 settings: IndentGuideSettings,
10357}
10358
10359pub struct CursorLayout {
10360 origin: gpui::Point<Pixels>,
10361 block_width: Pixels,
10362 line_height: Pixels,
10363 color: Hsla,
10364 shape: CursorShape,
10365 block_text: Option<ShapedLine>,
10366 cursor_name: Option<AnyElement>,
10367}
10368
10369#[derive(Debug)]
10370pub struct CursorName {
10371 string: SharedString,
10372 color: Hsla,
10373 is_top_row: bool,
10374}
10375
10376impl CursorLayout {
10377 pub fn new(
10378 origin: gpui::Point<Pixels>,
10379 block_width: Pixels,
10380 line_height: Pixels,
10381 color: Hsla,
10382 shape: CursorShape,
10383 block_text: Option<ShapedLine>,
10384 ) -> CursorLayout {
10385 CursorLayout {
10386 origin,
10387 block_width,
10388 line_height,
10389 color,
10390 shape,
10391 block_text,
10392 cursor_name: None,
10393 }
10394 }
10395
10396 pub fn bounding_rect(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10397 Bounds {
10398 origin: self.origin + origin,
10399 size: size(self.block_width, self.line_height),
10400 }
10401 }
10402
10403 fn bounds(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10404 match self.shape {
10405 CursorShape::Bar => Bounds {
10406 origin: self.origin + origin,
10407 size: size(px(2.0), self.line_height),
10408 },
10409 CursorShape::Block | CursorShape::Hollow => Bounds {
10410 origin: self.origin + origin,
10411 size: size(self.block_width, self.line_height),
10412 },
10413 CursorShape::Underline => Bounds {
10414 origin: self.origin
10415 + origin
10416 + gpui::Point::new(Pixels::ZERO, self.line_height - px(2.0)),
10417 size: size(self.block_width, px(2.0)),
10418 },
10419 }
10420 }
10421
10422 pub fn layout(
10423 &mut self,
10424 origin: gpui::Point<Pixels>,
10425 cursor_name: Option<CursorName>,
10426 window: &mut Window,
10427 cx: &mut App,
10428 ) {
10429 if let Some(cursor_name) = cursor_name {
10430 let bounds = self.bounds(origin);
10431 let text_size = self.line_height / 1.5;
10432
10433 let name_origin = if cursor_name.is_top_row {
10434 point(bounds.right() - px(1.), bounds.top())
10435 } else {
10436 match self.shape {
10437 CursorShape::Bar => point(
10438 bounds.right() - px(2.),
10439 bounds.top() - text_size / 2. - px(1.),
10440 ),
10441 _ => point(
10442 bounds.right() - px(1.),
10443 bounds.top() - text_size / 2. - px(1.),
10444 ),
10445 }
10446 };
10447 let mut name_element = div()
10448 .bg(self.color)
10449 .text_size(text_size)
10450 .px_0p5()
10451 .line_height(text_size + px(2.))
10452 .text_color(cursor_name.color)
10453 .child(cursor_name.string)
10454 .into_any_element();
10455
10456 name_element.prepaint_as_root(name_origin, AvailableSpace::min_size(), window, cx);
10457
10458 self.cursor_name = Some(name_element);
10459 }
10460 }
10461
10462 pub fn paint(&mut self, origin: gpui::Point<Pixels>, window: &mut Window, cx: &mut App) {
10463 let bounds = self.bounds(origin);
10464
10465 //Draw background or border quad
10466 let cursor = if matches!(self.shape, CursorShape::Hollow) {
10467 outline(bounds, self.color, BorderStyle::Solid)
10468 } else {
10469 fill(bounds, self.color)
10470 };
10471
10472 if let Some(name) = &mut self.cursor_name {
10473 name.paint(window, cx);
10474 }
10475
10476 window.paint_quad(cursor);
10477
10478 if let Some(block_text) = &self.block_text {
10479 block_text
10480 .paint(self.origin + origin, self.line_height, window, cx)
10481 .log_err();
10482 }
10483 }
10484
10485 pub fn shape(&self) -> CursorShape {
10486 self.shape
10487 }
10488}
10489
10490#[derive(Debug)]
10491pub struct HighlightedRange {
10492 pub start_y: Pixels,
10493 pub line_height: Pixels,
10494 pub lines: Vec<HighlightedRangeLine>,
10495 pub color: Hsla,
10496 pub corner_radius: Pixels,
10497}
10498
10499#[derive(Debug)]
10500pub struct HighlightedRangeLine {
10501 pub start_x: Pixels,
10502 pub end_x: Pixels,
10503}
10504
10505impl HighlightedRange {
10506 pub fn paint(&self, fill: bool, bounds: Bounds<Pixels>, window: &mut Window) {
10507 if self.lines.len() >= 2 && self.lines[0].start_x > self.lines[1].end_x {
10508 self.paint_lines(self.start_y, &self.lines[0..1], fill, bounds, window);
10509 self.paint_lines(
10510 self.start_y + self.line_height,
10511 &self.lines[1..],
10512 fill,
10513 bounds,
10514 window,
10515 );
10516 } else {
10517 self.paint_lines(self.start_y, &self.lines, fill, bounds, window);
10518 }
10519 }
10520
10521 fn paint_lines(
10522 &self,
10523 start_y: Pixels,
10524 lines: &[HighlightedRangeLine],
10525 fill: bool,
10526 _bounds: Bounds<Pixels>,
10527 window: &mut Window,
10528 ) {
10529 if lines.is_empty() {
10530 return;
10531 }
10532
10533 let first_line = lines.first().unwrap();
10534 let last_line = lines.last().unwrap();
10535
10536 let first_top_left = point(first_line.start_x, start_y);
10537 let first_top_right = point(first_line.end_x, start_y);
10538
10539 let curve_height = point(Pixels::ZERO, self.corner_radius);
10540 let curve_width = |start_x: Pixels, end_x: Pixels| {
10541 let max = (end_x - start_x) / 2.;
10542 let width = if max < self.corner_radius {
10543 max
10544 } else {
10545 self.corner_radius
10546 };
10547
10548 point(width, Pixels::ZERO)
10549 };
10550
10551 let top_curve_width = curve_width(first_line.start_x, first_line.end_x);
10552 let mut builder = if fill {
10553 gpui::PathBuilder::fill()
10554 } else {
10555 gpui::PathBuilder::stroke(px(1.))
10556 };
10557 builder.move_to(first_top_right - top_curve_width);
10558 builder.curve_to(first_top_right + curve_height, first_top_right);
10559
10560 let mut iter = lines.iter().enumerate().peekable();
10561 while let Some((ix, line)) = iter.next() {
10562 let bottom_right = point(line.end_x, start_y + (ix + 1) as f32 * self.line_height);
10563
10564 if let Some((_, next_line)) = iter.peek() {
10565 let next_top_right = point(next_line.end_x, bottom_right.y);
10566
10567 match next_top_right.x.partial_cmp(&bottom_right.x).unwrap() {
10568 Ordering::Equal => {
10569 builder.line_to(bottom_right);
10570 }
10571 Ordering::Less => {
10572 let curve_width = curve_width(next_top_right.x, bottom_right.x);
10573 builder.line_to(bottom_right - curve_height);
10574 if self.corner_radius > Pixels::ZERO {
10575 builder.curve_to(bottom_right - curve_width, bottom_right);
10576 }
10577 builder.line_to(next_top_right + curve_width);
10578 if self.corner_radius > Pixels::ZERO {
10579 builder.curve_to(next_top_right + curve_height, next_top_right);
10580 }
10581 }
10582 Ordering::Greater => {
10583 let curve_width = curve_width(bottom_right.x, next_top_right.x);
10584 builder.line_to(bottom_right - curve_height);
10585 if self.corner_radius > Pixels::ZERO {
10586 builder.curve_to(bottom_right + curve_width, bottom_right);
10587 }
10588 builder.line_to(next_top_right - curve_width);
10589 if self.corner_radius > Pixels::ZERO {
10590 builder.curve_to(next_top_right + curve_height, next_top_right);
10591 }
10592 }
10593 }
10594 } else {
10595 let curve_width = curve_width(line.start_x, line.end_x);
10596 builder.line_to(bottom_right - curve_height);
10597 if self.corner_radius > Pixels::ZERO {
10598 builder.curve_to(bottom_right - curve_width, bottom_right);
10599 }
10600
10601 let bottom_left = point(line.start_x, bottom_right.y);
10602 builder.line_to(bottom_left + curve_width);
10603 if self.corner_radius > Pixels::ZERO {
10604 builder.curve_to(bottom_left - curve_height, bottom_left);
10605 }
10606 }
10607 }
10608
10609 if first_line.start_x > last_line.start_x {
10610 let curve_width = curve_width(last_line.start_x, first_line.start_x);
10611 let second_top_left = point(last_line.start_x, start_y + self.line_height);
10612 builder.line_to(second_top_left + curve_height);
10613 if self.corner_radius > Pixels::ZERO {
10614 builder.curve_to(second_top_left + curve_width, second_top_left);
10615 }
10616 let first_bottom_left = point(first_line.start_x, second_top_left.y);
10617 builder.line_to(first_bottom_left - curve_width);
10618 if self.corner_radius > Pixels::ZERO {
10619 builder.curve_to(first_bottom_left - curve_height, first_bottom_left);
10620 }
10621 }
10622
10623 builder.line_to(first_top_left + curve_height);
10624 if self.corner_radius > Pixels::ZERO {
10625 builder.curve_to(first_top_left + top_curve_width, first_top_left);
10626 }
10627 builder.line_to(first_top_right - top_curve_width);
10628
10629 if let Ok(path) = builder.build() {
10630 window.paint_path(path, self.color);
10631 }
10632 }
10633}
10634
10635enum CursorPopoverType {
10636 CodeContextMenu,
10637 EditPrediction,
10638}
10639
10640pub fn scale_vertical_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10641 (delta.pow(1.2) / 100.0).min(px(3.0)).into()
10642}
10643
10644fn scale_horizontal_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10645 (delta.pow(1.2) / 300.0).into()
10646}
10647
10648pub fn register_action<T: Action>(
10649 editor: &Entity<Editor>,
10650 window: &mut Window,
10651 listener: impl Fn(&mut Editor, &T, &mut Window, &mut Context<Editor>) + 'static,
10652) {
10653 let editor = editor.clone();
10654 window.on_action(TypeId::of::<T>(), move |action, phase, window, cx| {
10655 let action = action.downcast_ref().unwrap();
10656 if phase == DispatchPhase::Bubble {
10657 editor.update(cx, |editor, cx| {
10658 listener(editor, action, window, cx);
10659 })
10660 }
10661 })
10662}
10663
10664fn compute_auto_height_layout(
10665 editor: &mut Editor,
10666 min_lines: usize,
10667 max_lines: Option<usize>,
10668 max_line_number_width: Pixels,
10669 known_dimensions: Size<Option<Pixels>>,
10670 available_width: AvailableSpace,
10671 window: &mut Window,
10672 cx: &mut Context<Editor>,
10673) -> Option<Size<Pixels>> {
10674 let width = known_dimensions.width.or({
10675 if let AvailableSpace::Definite(available_width) = available_width {
10676 Some(available_width)
10677 } else {
10678 None
10679 }
10680 })?;
10681 if let Some(height) = known_dimensions.height {
10682 return Some(size(width, height));
10683 }
10684
10685 let style = editor.style.as_ref().unwrap();
10686 let font_id = window.text_system().resolve_font(&style.text.font());
10687 let font_size = style.text.font_size.to_pixels(window.rem_size());
10688 let line_height = style.text.line_height_in_pixels(window.rem_size());
10689 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
10690
10691 let mut snapshot = editor.snapshot(window, cx);
10692 let gutter_dimensions = snapshot
10693 .gutter_dimensions(font_id, font_size, max_line_number_width, cx)
10694 .or_else(|| {
10695 editor
10696 .offset_content
10697 .then(|| GutterDimensions::default_with_margin(font_id, font_size, cx))
10698 })
10699 .unwrap_or_default();
10700
10701 editor.gutter_dimensions = gutter_dimensions;
10702 let text_width = width - gutter_dimensions.width;
10703 let overscroll = size(em_width, px(0.));
10704
10705 let editor_width = text_width - gutter_dimensions.margin - overscroll.width - em_width;
10706 if !matches!(editor.soft_wrap_mode(cx), SoftWrap::None)
10707 && editor.set_wrap_width(Some(editor_width), cx)
10708 {
10709 snapshot = editor.snapshot(window, cx);
10710 }
10711
10712 let scroll_height = (snapshot.max_point().row().next_row().0 as f32) * line_height;
10713
10714 let min_height = line_height * min_lines as f32;
10715 let content_height = scroll_height.max(min_height);
10716
10717 let final_height = if let Some(max_lines) = max_lines {
10718 let max_height = line_height * max_lines as f32;
10719 content_height.min(max_height)
10720 } else {
10721 content_height
10722 };
10723
10724 Some(size(width, final_height))
10725}
10726
10727#[cfg(test)]
10728mod tests {
10729 use super::*;
10730 use crate::{
10731 Editor, MultiBuffer, SelectionEffects,
10732 display_map::{BlockPlacement, BlockProperties},
10733 editor_tests::{init_test, update_test_language_settings},
10734 };
10735 use gpui::{TestAppContext, VisualTestContext};
10736 use language::language_settings;
10737 use log::info;
10738 use std::num::NonZeroU32;
10739 use util::test::sample_text;
10740
10741 #[gpui::test]
10742 async fn test_soft_wrap_editor_width_auto_height_editor(cx: &mut TestAppContext) {
10743 init_test(cx, |_| {});
10744
10745 let window = cx.add_window(|window, cx| {
10746 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10747 let mut editor = Editor::new(
10748 EditorMode::AutoHeight {
10749 min_lines: 1,
10750 max_lines: None,
10751 },
10752 buffer,
10753 None,
10754 window,
10755 cx,
10756 );
10757 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10758 editor
10759 });
10760 let cx = &mut VisualTestContext::from_window(*window, cx);
10761 let editor = window.root(cx).unwrap();
10762 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10763
10764 for x in 1..=100 {
10765 let (_, state) = cx.draw(
10766 Default::default(),
10767 size(px(200. + 0.13 * x as f32), px(500.)),
10768 |_, _| EditorElement::new(&editor, style.clone()),
10769 );
10770
10771 assert!(
10772 state.position_map.scroll_max.x == 0.,
10773 "Soft wrapped editor should have no horizontal scrolling!"
10774 );
10775 }
10776 }
10777
10778 #[gpui::test]
10779 async fn test_soft_wrap_editor_width_full_editor(cx: &mut TestAppContext) {
10780 init_test(cx, |_| {});
10781
10782 let window = cx.add_window(|window, cx| {
10783 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10784 let mut editor = Editor::new(EditorMode::full(), buffer, None, window, cx);
10785 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10786 editor
10787 });
10788 let cx = &mut VisualTestContext::from_window(*window, cx);
10789 let editor = window.root(cx).unwrap();
10790 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10791
10792 for x in 1..=100 {
10793 let (_, state) = cx.draw(
10794 Default::default(),
10795 size(px(200. + 0.13 * x as f32), px(500.)),
10796 |_, _| EditorElement::new(&editor, style.clone()),
10797 );
10798
10799 assert!(
10800 state.position_map.scroll_max.x == 0.,
10801 "Soft wrapped editor should have no horizontal scrolling!"
10802 );
10803 }
10804 }
10805
10806 #[gpui::test]
10807 fn test_shape_line_numbers(cx: &mut TestAppContext) {
10808 init_test(cx, |_| {});
10809 let window = cx.add_window(|window, cx| {
10810 let buffer = MultiBuffer::build_simple(&sample_text(6, 6, 'a'), cx);
10811 Editor::new(EditorMode::full(), buffer, None, window, cx)
10812 });
10813
10814 let editor = window.root(cx).unwrap();
10815 let style = cx.update(|cx| editor.read(cx).style().unwrap().clone());
10816 let line_height = window
10817 .update(cx, |_, window, _| {
10818 style.text.line_height_in_pixels(window.rem_size())
10819 })
10820 .unwrap();
10821 let element = EditorElement::new(&editor, style);
10822 let snapshot = window
10823 .update(cx, |editor, window, cx| editor.snapshot(window, cx))
10824 .unwrap();
10825
10826 let layouts = cx
10827 .update_window(*window, |_, window, cx| {
10828 element.layout_line_numbers(
10829 None,
10830 GutterDimensions {
10831 left_padding: Pixels::ZERO,
10832 right_padding: Pixels::ZERO,
10833 width: px(30.0),
10834 margin: Pixels::ZERO,
10835 git_blame_entries_width: None,
10836 },
10837 line_height,
10838 gpui::Point::default(),
10839 DisplayRow(0)..DisplayRow(6),
10840 &(0..6)
10841 .map(|row| RowInfo {
10842 buffer_row: Some(row),
10843 ..Default::default()
10844 })
10845 .collect::<Vec<_>>(),
10846 &BTreeMap::default(),
10847 Some(DisplayPoint::new(DisplayRow(0), 0)),
10848 &snapshot,
10849 window,
10850 cx,
10851 )
10852 })
10853 .unwrap();
10854 assert_eq!(layouts.len(), 6);
10855
10856 let relative_rows = window
10857 .update(cx, |editor, window, cx| {
10858 let snapshot = editor.snapshot(window, cx);
10859 element.calculate_relative_line_numbers(
10860 &snapshot,
10861 &(DisplayRow(0)..DisplayRow(6)),
10862 Some(DisplayRow(3)),
10863 )
10864 })
10865 .unwrap();
10866 assert_eq!(relative_rows[&DisplayRow(0)], 3);
10867 assert_eq!(relative_rows[&DisplayRow(1)], 2);
10868 assert_eq!(relative_rows[&DisplayRow(2)], 1);
10869 // current line has no relative number
10870 assert_eq!(relative_rows[&DisplayRow(4)], 1);
10871 assert_eq!(relative_rows[&DisplayRow(5)], 2);
10872
10873 // works if cursor is before screen
10874 let relative_rows = window
10875 .update(cx, |editor, window, cx| {
10876 let snapshot = editor.snapshot(window, cx);
10877 element.calculate_relative_line_numbers(
10878 &snapshot,
10879 &(DisplayRow(3)..DisplayRow(6)),
10880 Some(DisplayRow(1)),
10881 )
10882 })
10883 .unwrap();
10884 assert_eq!(relative_rows.len(), 3);
10885 assert_eq!(relative_rows[&DisplayRow(3)], 2);
10886 assert_eq!(relative_rows[&DisplayRow(4)], 3);
10887 assert_eq!(relative_rows[&DisplayRow(5)], 4);
10888
10889 // works if cursor is after screen
10890 let relative_rows = window
10891 .update(cx, |editor, window, cx| {
10892 let snapshot = editor.snapshot(window, cx);
10893 element.calculate_relative_line_numbers(
10894 &snapshot,
10895 &(DisplayRow(0)..DisplayRow(3)),
10896 Some(DisplayRow(6)),
10897 )
10898 })
10899 .unwrap();
10900 assert_eq!(relative_rows.len(), 3);
10901 assert_eq!(relative_rows[&DisplayRow(0)], 5);
10902 assert_eq!(relative_rows[&DisplayRow(1)], 4);
10903 assert_eq!(relative_rows[&DisplayRow(2)], 3);
10904 }
10905
10906 #[gpui::test]
10907 async fn test_vim_visual_selections(cx: &mut TestAppContext) {
10908 init_test(cx, |_| {});
10909
10910 let window = cx.add_window(|window, cx| {
10911 let buffer = MultiBuffer::build_simple(&(sample_text(6, 6, 'a') + "\n"), cx);
10912 Editor::new(EditorMode::full(), buffer, None, window, cx)
10913 });
10914 let cx = &mut VisualTestContext::from_window(*window, cx);
10915 let editor = window.root(cx).unwrap();
10916 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10917
10918 window
10919 .update(cx, |editor, window, cx| {
10920 editor.cursor_shape = CursorShape::Block;
10921 editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
10922 s.select_ranges([
10923 Point::new(0, 0)..Point::new(1, 0),
10924 Point::new(3, 2)..Point::new(3, 3),
10925 Point::new(5, 6)..Point::new(6, 0),
10926 ]);
10927 });
10928 })
10929 .unwrap();
10930
10931 let (_, state) = cx.draw(
10932 point(px(500.), px(500.)),
10933 size(px(500.), px(500.)),
10934 |_, _| EditorElement::new(&editor, style),
10935 );
10936
10937 assert_eq!(state.selections.len(), 1);
10938 let local_selections = &state.selections[0].1;
10939 assert_eq!(local_selections.len(), 3);
10940 // moves cursor back one line
10941 assert_eq!(
10942 local_selections[0].head,
10943 DisplayPoint::new(DisplayRow(0), 6)
10944 );
10945 assert_eq!(
10946 local_selections[0].range,
10947 DisplayPoint::new(DisplayRow(0), 0)..DisplayPoint::new(DisplayRow(1), 0)
10948 );
10949
10950 // moves cursor back one column
10951 assert_eq!(
10952 local_selections[1].range,
10953 DisplayPoint::new(DisplayRow(3), 2)..DisplayPoint::new(DisplayRow(3), 3)
10954 );
10955 assert_eq!(
10956 local_selections[1].head,
10957 DisplayPoint::new(DisplayRow(3), 2)
10958 );
10959
10960 // leaves cursor on the max point
10961 assert_eq!(
10962 local_selections[2].range,
10963 DisplayPoint::new(DisplayRow(5), 6)..DisplayPoint::new(DisplayRow(6), 0)
10964 );
10965 assert_eq!(
10966 local_selections[2].head,
10967 DisplayPoint::new(DisplayRow(6), 0)
10968 );
10969
10970 // active lines does not include 1 (even though the range of the selection does)
10971 assert_eq!(
10972 state.active_rows.keys().cloned().collect::<Vec<_>>(),
10973 vec![DisplayRow(0), DisplayRow(3), DisplayRow(5), DisplayRow(6)]
10974 );
10975 }
10976
10977 #[gpui::test]
10978 fn test_layout_with_placeholder_text_and_blocks(cx: &mut TestAppContext) {
10979 init_test(cx, |_| {});
10980
10981 let window = cx.add_window(|window, cx| {
10982 let buffer = MultiBuffer::build_simple("", cx);
10983 Editor::new(EditorMode::full(), buffer, None, window, cx)
10984 });
10985 let cx = &mut VisualTestContext::from_window(*window, cx);
10986 let editor = window.root(cx).unwrap();
10987 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10988 window
10989 .update(cx, |editor, window, cx| {
10990 editor.set_placeholder_text("hello", window, cx);
10991 editor.insert_blocks(
10992 [BlockProperties {
10993 style: BlockStyle::Fixed,
10994 placement: BlockPlacement::Above(Anchor::min()),
10995 height: Some(3),
10996 render: Arc::new(|cx| div().h(3. * cx.window.line_height()).into_any()),
10997 priority: 0,
10998 }],
10999 None,
11000 cx,
11001 );
11002
11003 // Blur the editor so that it displays placeholder text.
11004 window.blur();
11005 })
11006 .unwrap();
11007
11008 let (_, state) = cx.draw(
11009 point(px(500.), px(500.)),
11010 size(px(500.), px(500.)),
11011 |_, _| EditorElement::new(&editor, style),
11012 );
11013 assert_eq!(state.position_map.line_layouts.len(), 4);
11014 assert_eq!(state.line_numbers.len(), 1);
11015 assert_eq!(
11016 state
11017 .line_numbers
11018 .get(&MultiBufferRow(0))
11019 .map(|line_number| line_number.shaped_line.text.as_ref()),
11020 Some("1")
11021 );
11022 }
11023
11024 #[gpui::test]
11025 fn test_all_invisibles_drawing(cx: &mut TestAppContext) {
11026 const TAB_SIZE: u32 = 4;
11027
11028 let input_text = "\t \t|\t| a b";
11029 let expected_invisibles = vec![
11030 Invisible::Tab {
11031 line_start_offset: 0,
11032 line_end_offset: TAB_SIZE as usize,
11033 },
11034 Invisible::Whitespace {
11035 line_offset: TAB_SIZE as usize,
11036 },
11037 Invisible::Tab {
11038 line_start_offset: TAB_SIZE as usize + 1,
11039 line_end_offset: TAB_SIZE as usize * 2,
11040 },
11041 Invisible::Tab {
11042 line_start_offset: TAB_SIZE as usize * 2 + 1,
11043 line_end_offset: TAB_SIZE as usize * 3,
11044 },
11045 Invisible::Whitespace {
11046 line_offset: TAB_SIZE as usize * 3 + 1,
11047 },
11048 Invisible::Whitespace {
11049 line_offset: TAB_SIZE as usize * 3 + 3,
11050 },
11051 ];
11052 assert_eq!(
11053 expected_invisibles.len(),
11054 input_text
11055 .chars()
11056 .filter(|initial_char| initial_char.is_whitespace())
11057 .count(),
11058 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
11059 );
11060
11061 for show_line_numbers in [true, false] {
11062 init_test(cx, |s| {
11063 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11064 s.defaults.tab_size = NonZeroU32::new(TAB_SIZE);
11065 });
11066
11067 let actual_invisibles = collect_invisibles_from_new_editor(
11068 cx,
11069 EditorMode::full(),
11070 input_text,
11071 px(500.0),
11072 show_line_numbers,
11073 );
11074
11075 assert_eq!(expected_invisibles, actual_invisibles);
11076 }
11077 }
11078
11079 #[gpui::test]
11080 fn test_invisibles_dont_appear_in_certain_editors(cx: &mut TestAppContext) {
11081 init_test(cx, |s| {
11082 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11083 s.defaults.tab_size = NonZeroU32::new(4);
11084 });
11085
11086 for editor_mode_without_invisibles in [
11087 EditorMode::SingleLine,
11088 EditorMode::AutoHeight {
11089 min_lines: 1,
11090 max_lines: Some(100),
11091 },
11092 ] {
11093 for show_line_numbers in [true, false] {
11094 let invisibles = collect_invisibles_from_new_editor(
11095 cx,
11096 editor_mode_without_invisibles.clone(),
11097 "\t\t\t| | a b",
11098 px(500.0),
11099 show_line_numbers,
11100 );
11101 assert!(
11102 invisibles.is_empty(),
11103 "For editor mode {editor_mode_without_invisibles:?} no invisibles was expected but got {invisibles:?}"
11104 );
11105 }
11106 }
11107 }
11108
11109 #[gpui::test]
11110 fn test_wrapped_invisibles_drawing(cx: &mut TestAppContext) {
11111 let tab_size = 4;
11112 let input_text = "a\tbcd ".repeat(9);
11113 let repeated_invisibles = [
11114 Invisible::Tab {
11115 line_start_offset: 1,
11116 line_end_offset: tab_size as usize,
11117 },
11118 Invisible::Whitespace {
11119 line_offset: tab_size as usize + 3,
11120 },
11121 Invisible::Whitespace {
11122 line_offset: tab_size as usize + 4,
11123 },
11124 Invisible::Whitespace {
11125 line_offset: tab_size as usize + 5,
11126 },
11127 Invisible::Whitespace {
11128 line_offset: tab_size as usize + 6,
11129 },
11130 Invisible::Whitespace {
11131 line_offset: tab_size as usize + 7,
11132 },
11133 ];
11134 let expected_invisibles = std::iter::once(repeated_invisibles)
11135 .cycle()
11136 .take(9)
11137 .flatten()
11138 .collect::<Vec<_>>();
11139 assert_eq!(
11140 expected_invisibles.len(),
11141 input_text
11142 .chars()
11143 .filter(|initial_char| initial_char.is_whitespace())
11144 .count(),
11145 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
11146 );
11147 info!("Expected invisibles: {expected_invisibles:?}");
11148
11149 init_test(cx, |_| {});
11150
11151 // Put the same string with repeating whitespace pattern into editors of various size,
11152 // take deliberately small steps during resizing, to put all whitespace kinds near the wrap point.
11153 let resize_step = 10.0;
11154 let mut editor_width = 200.0;
11155 while editor_width <= 1000.0 {
11156 for show_line_numbers in [true, false] {
11157 update_test_language_settings(cx, |s| {
11158 s.defaults.tab_size = NonZeroU32::new(tab_size);
11159 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11160 s.defaults.preferred_line_length = Some(editor_width as u32);
11161 s.defaults.soft_wrap = Some(language_settings::SoftWrap::PreferredLineLength);
11162 });
11163
11164 let actual_invisibles = collect_invisibles_from_new_editor(
11165 cx,
11166 EditorMode::full(),
11167 &input_text,
11168 px(editor_width),
11169 show_line_numbers,
11170 );
11171
11172 // Whatever the editor size is, ensure it has the same invisible kinds in the same order
11173 // (no good guarantees about the offsets: wrapping could trigger padding and its tests should check the offsets).
11174 let mut i = 0;
11175 for (actual_index, actual_invisible) in actual_invisibles.iter().enumerate() {
11176 i = actual_index;
11177 match expected_invisibles.get(i) {
11178 Some(expected_invisible) => match (expected_invisible, actual_invisible) {
11179 (Invisible::Whitespace { .. }, Invisible::Whitespace { .. })
11180 | (Invisible::Tab { .. }, Invisible::Tab { .. }) => {}
11181 _ => {
11182 panic!(
11183 "At index {i}, expected invisible {expected_invisible:?} does not match actual {actual_invisible:?} by kind. Actual invisibles: {actual_invisibles:?}"
11184 )
11185 }
11186 },
11187 None => {
11188 panic!("Unexpected extra invisible {actual_invisible:?} at index {i}")
11189 }
11190 }
11191 }
11192 let missing_expected_invisibles = &expected_invisibles[i + 1..];
11193 assert!(
11194 missing_expected_invisibles.is_empty(),
11195 "Missing expected invisibles after index {i}: {missing_expected_invisibles:?}"
11196 );
11197
11198 editor_width += resize_step;
11199 }
11200 }
11201 }
11202
11203 fn collect_invisibles_from_new_editor(
11204 cx: &mut TestAppContext,
11205 editor_mode: EditorMode,
11206 input_text: &str,
11207 editor_width: Pixels,
11208 show_line_numbers: bool,
11209 ) -> Vec<Invisible> {
11210 info!(
11211 "Creating editor with mode {editor_mode:?}, width {}px and text '{input_text}'",
11212 f32::from(editor_width)
11213 );
11214 let window = cx.add_window(|window, cx| {
11215 let buffer = MultiBuffer::build_simple(input_text, cx);
11216 Editor::new(editor_mode, buffer, None, window, cx)
11217 });
11218 let cx = &mut VisualTestContext::from_window(*window, cx);
11219 let editor = window.root(cx).unwrap();
11220
11221 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
11222 window
11223 .update(cx, |editor, _, cx| {
11224 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
11225 editor.set_wrap_width(Some(editor_width), cx);
11226 editor.set_show_line_numbers(show_line_numbers, cx);
11227 })
11228 .unwrap();
11229 let (_, state) = cx.draw(
11230 point(px(500.), px(500.)),
11231 size(px(500.), px(500.)),
11232 |_, _| EditorElement::new(&editor, style),
11233 );
11234 state
11235 .position_map
11236 .line_layouts
11237 .iter()
11238 .flat_map(|line_with_invisibles| &line_with_invisibles.invisibles)
11239 .cloned()
11240 .collect()
11241 }
11242
11243 #[gpui::test]
11244 fn test_merge_overlapping_ranges() {
11245 let base_bg = Hsla::white();
11246 let color1 = Hsla {
11247 h: 0.0,
11248 s: 0.5,
11249 l: 0.5,
11250 a: 0.5,
11251 };
11252 let color2 = Hsla {
11253 h: 120.0,
11254 s: 0.5,
11255 l: 0.5,
11256 a: 0.5,
11257 };
11258
11259 let display_point = |col| DisplayPoint::new(DisplayRow(0), col);
11260 let cols = |v: &Vec<(Range<DisplayPoint>, Hsla)>| -> Vec<(u32, u32)> {
11261 v.iter()
11262 .map(|(r, _)| (r.start.column(), r.end.column()))
11263 .collect()
11264 };
11265
11266 // Test overlapping ranges blend colors
11267 let overlapping = vec![
11268 (display_point(5)..display_point(15), color1),
11269 (display_point(10)..display_point(20), color2),
11270 ];
11271 let result = EditorElement::merge_overlapping_ranges(overlapping, base_bg);
11272 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11273
11274 // Test middle segment should have blended color
11275 let blended = Hsla::blend(Hsla::blend(base_bg, color1), color2);
11276 assert_eq!(result[1].1, blended);
11277
11278 // Test adjacent same-color ranges merge
11279 let adjacent_same = vec![
11280 (display_point(5)..display_point(10), color1),
11281 (display_point(10)..display_point(15), color1),
11282 ];
11283 let result = EditorElement::merge_overlapping_ranges(adjacent_same, base_bg);
11284 assert_eq!(cols(&result), vec![(5, 15)]);
11285
11286 // Test contained range splits
11287 let contained = vec![
11288 (display_point(5)..display_point(20), color1),
11289 (display_point(10)..display_point(15), color2),
11290 ];
11291 let result = EditorElement::merge_overlapping_ranges(contained, base_bg);
11292 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11293
11294 // Test multiple overlaps split at every boundary
11295 let color3 = Hsla {
11296 h: 240.0,
11297 s: 0.5,
11298 l: 0.5,
11299 a: 0.5,
11300 };
11301 let complex = vec![
11302 (display_point(5)..display_point(12), color1),
11303 (display_point(8)..display_point(16), color2),
11304 (display_point(10)..display_point(14), color3),
11305 ];
11306 let result = EditorElement::merge_overlapping_ranges(complex, base_bg);
11307 assert_eq!(
11308 cols(&result),
11309 vec![(5, 8), (8, 10), (10, 12), (12, 14), (14, 16)]
11310 );
11311 }
11312
11313 #[gpui::test]
11314 fn test_bg_segments_per_row() {
11315 let base_bg = Hsla::white();
11316
11317 // Case A: selection spans three display rows: row 1 [5, end), full row 2, row 3 [0, 7)
11318 {
11319 let selection_color = Hsla {
11320 h: 200.0,
11321 s: 0.5,
11322 l: 0.5,
11323 a: 0.5,
11324 };
11325 let player_color = PlayerColor {
11326 cursor: selection_color,
11327 background: selection_color,
11328 selection: selection_color,
11329 };
11330
11331 let spanning_selection = SelectionLayout {
11332 head: DisplayPoint::new(DisplayRow(3), 7),
11333 cursor_shape: CursorShape::Bar,
11334 is_newest: true,
11335 is_local: true,
11336 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 7),
11337 active_rows: DisplayRow(1)..DisplayRow(4),
11338 user_name: None,
11339 };
11340
11341 let selections = vec![(player_color, vec![spanning_selection])];
11342 let result = EditorElement::bg_segments_per_row(
11343 DisplayRow(0)..DisplayRow(5),
11344 &selections,
11345 &[],
11346 base_bg,
11347 );
11348
11349 assert_eq!(result.len(), 5);
11350 assert!(result[0].is_empty());
11351 assert_eq!(result[1].len(), 1);
11352 assert_eq!(result[2].len(), 1);
11353 assert_eq!(result[3].len(), 1);
11354 assert!(result[4].is_empty());
11355
11356 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11357 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11358 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11359 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11360 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11361 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11362 assert_eq!(result[3][0].0.start, DisplayPoint::new(DisplayRow(3), 0));
11363 assert_eq!(result[3][0].0.end, DisplayPoint::new(DisplayRow(3), 7));
11364 }
11365
11366 // Case B: selection ends exactly at the start of row 3, excluding row 3
11367 {
11368 let selection_color = Hsla {
11369 h: 120.0,
11370 s: 0.5,
11371 l: 0.5,
11372 a: 0.5,
11373 };
11374 let player_color = PlayerColor {
11375 cursor: selection_color,
11376 background: selection_color,
11377 selection: selection_color,
11378 };
11379
11380 let selection = SelectionLayout {
11381 head: DisplayPoint::new(DisplayRow(2), 0),
11382 cursor_shape: CursorShape::Bar,
11383 is_newest: true,
11384 is_local: true,
11385 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 0),
11386 active_rows: DisplayRow(1)..DisplayRow(3),
11387 user_name: None,
11388 };
11389
11390 let selections = vec![(player_color, vec![selection])];
11391 let result = EditorElement::bg_segments_per_row(
11392 DisplayRow(0)..DisplayRow(4),
11393 &selections,
11394 &[],
11395 base_bg,
11396 );
11397
11398 assert_eq!(result.len(), 4);
11399 assert!(result[0].is_empty());
11400 assert_eq!(result[1].len(), 1);
11401 assert_eq!(result[2].len(), 1);
11402 assert!(result[3].is_empty());
11403
11404 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11405 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11406 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11407 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11408 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11409 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11410 }
11411 }
11412
11413 #[cfg(test)]
11414 fn generate_test_run(len: usize, color: Hsla) -> TextRun {
11415 TextRun {
11416 len,
11417 font: gpui::font(".SystemUIFont"),
11418 color,
11419 background_color: None,
11420 underline: None,
11421 strikethrough: None,
11422 }
11423 }
11424
11425 #[gpui::test]
11426 fn test_split_runs_by_bg_segments(cx: &mut gpui::TestAppContext) {
11427 init_test(cx, |_| {});
11428
11429 let dx = |start: u32, end: u32| {
11430 DisplayPoint::new(DisplayRow(0), start)..DisplayPoint::new(DisplayRow(0), end)
11431 };
11432
11433 let text_color = Hsla {
11434 h: 210.0,
11435 s: 0.1,
11436 l: 0.4,
11437 a: 1.0,
11438 };
11439 let bg_1 = Hsla {
11440 h: 30.0,
11441 s: 0.6,
11442 l: 0.8,
11443 a: 1.0,
11444 };
11445 let bg_2 = Hsla {
11446 h: 200.0,
11447 s: 0.6,
11448 l: 0.2,
11449 a: 1.0,
11450 };
11451 let min_contrast = 45.0;
11452 let adjusted_bg1 = ensure_minimum_contrast(text_color, bg_1, min_contrast);
11453 let adjusted_bg2 = ensure_minimum_contrast(text_color, bg_2, min_contrast);
11454
11455 // Case A: single run; disjoint segments inside the run
11456 {
11457 let runs = vec![generate_test_run(20, text_color)];
11458 let segs = vec![(dx(5, 10), bg_1), (dx(12, 16), bg_2)];
11459 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11460 // Expected slices: [0,5) [5,10) [10,12) [12,16) [16,20)
11461 assert_eq!(
11462 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11463 vec![5, 5, 2, 4, 4]
11464 );
11465 assert_eq!(out[0].color, text_color);
11466 assert_eq!(out[1].color, adjusted_bg1);
11467 assert_eq!(out[2].color, text_color);
11468 assert_eq!(out[3].color, adjusted_bg2);
11469 assert_eq!(out[4].color, text_color);
11470 }
11471
11472 // Case B: multiple runs; segment extends to end of line (u32::MAX)
11473 {
11474 let runs = vec![
11475 generate_test_run(8, text_color),
11476 generate_test_run(7, text_color),
11477 ];
11478 let segs = vec![(dx(6, u32::MAX), bg_1)];
11479 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11480 // Expected slices across runs: [0,6) [6,8) | [0,7)
11481 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![6, 2, 7]);
11482 assert_eq!(out[0].color, text_color);
11483 assert_eq!(out[1].color, adjusted_bg1);
11484 assert_eq!(out[2].color, adjusted_bg1);
11485 }
11486
11487 // Case C: multi-byte characters
11488 {
11489 // for text: "Hello π δΈη!"
11490 let runs = vec![
11491 generate_test_run(5, text_color), // "Hello"
11492 generate_test_run(6, text_color), // " π "
11493 generate_test_run(6, text_color), // "δΈη"
11494 generate_test_run(1, text_color), // "!"
11495 ];
11496 // selecting "π δΈ"
11497 let segs = vec![(dx(6, 14), bg_1)];
11498 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11499 // "Hello" | " " | "π " | "δΈ" | "η" | "!"
11500 assert_eq!(
11501 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11502 vec![5, 1, 5, 3, 3, 1]
11503 );
11504 assert_eq!(out[0].color, text_color); // "Hello"
11505 assert_eq!(out[2].color, adjusted_bg1); // "π "
11506 assert_eq!(out[3].color, adjusted_bg1); // "δΈ"
11507 assert_eq!(out[4].color, text_color); // "η"
11508 assert_eq!(out[5].color, text_color); // "!"
11509 }
11510
11511 // Case D: split multiple consecutive text runs with segments
11512 {
11513 let segs = vec![
11514 (dx(2, 4), bg_1), // selecting "cd"
11515 (dx(4, 8), bg_2), // selecting "efgh"
11516 (dx(9, 11), bg_1), // selecting "jk"
11517 (dx(12, 16), bg_2), // selecting "mnop"
11518 (dx(18, 19), bg_1), // selecting "s"
11519 ];
11520
11521 // for text: "abcdef"
11522 let runs = vec![
11523 generate_test_run(2, text_color), // ab
11524 generate_test_run(4, text_color), // cdef
11525 ];
11526 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11527 // new splits "ab", "cd", "ef"
11528 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![2, 2, 2]);
11529 assert_eq!(out[0].color, text_color);
11530 assert_eq!(out[1].color, adjusted_bg1);
11531 assert_eq!(out[2].color, adjusted_bg2);
11532
11533 // for text: "ghijklmn"
11534 let runs = vec![
11535 generate_test_run(3, text_color), // ghi
11536 generate_test_run(2, text_color), // jk
11537 generate_test_run(3, text_color), // lmn
11538 ];
11539 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 6); // 2 + 4 from first run
11540 // new splits "gh", "i", "jk", "l", "mn"
11541 assert_eq!(
11542 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11543 vec![2, 1, 2, 1, 2]
11544 );
11545 assert_eq!(out[0].color, adjusted_bg2);
11546 assert_eq!(out[1].color, text_color);
11547 assert_eq!(out[2].color, adjusted_bg1);
11548 assert_eq!(out[3].color, text_color);
11549 assert_eq!(out[4].color, adjusted_bg2);
11550
11551 // for text: "opqrs"
11552 let runs = vec![
11553 generate_test_run(1, text_color), // o
11554 generate_test_run(4, text_color), // pqrs
11555 ];
11556 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 14); // 6 + 3 + 2 + 3 from first two runs
11557 // new splits "o", "p", "qr", "s"
11558 assert_eq!(
11559 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11560 vec![1, 1, 2, 1]
11561 );
11562 assert_eq!(out[0].color, adjusted_bg2);
11563 assert_eq!(out[1].color, adjusted_bg2);
11564 assert_eq!(out[2].color, text_color);
11565 assert_eq!(out[3].color, adjusted_bg1);
11566 }
11567 }
11568}