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