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