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