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