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