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 .is_some_and(|line_layout| {
767 line_layout.segments.iter().any(|segment| {
768 segment
769 .hitbox
770 .as_ref()
771 .is_some_and(|hitbox| hitbox.contains(&event.position))
772 })
773 })
774 {
775 let line_offset_from_top = display_row - position_map.scroll_position.y as u32;
776
777 editor.open_excerpts_common(
778 Some(JumpData::MultiBufferRow {
779 row: MultiBufferRow(multi_buffer_row),
780 line_offset_from_top,
781 }),
782 modifiers.alt,
783 window,
784 cx,
785 );
786 cx.stop_propagation();
787 return;
788 }
789 }
790
791 let position = point_for_position.previous_valid;
792 if let Some(mode) = Editor::columnar_selection_mode(&modifiers, cx) {
793 editor.select(
794 SelectPhase::BeginColumnar {
795 position,
796 reset: match mode {
797 ColumnarMode::FromMouse => true,
798 ColumnarMode::FromSelection => false,
799 },
800 mode,
801 goal_column: point_for_position.exact_unclipped.column(),
802 },
803 window,
804 cx,
805 );
806 } else if modifiers.shift && !modifiers.control && !modifiers.alt && !modifiers.secondary()
807 {
808 editor.select(
809 SelectPhase::Extend {
810 position,
811 click_count,
812 },
813 window,
814 cx,
815 );
816 } else {
817 editor.select(
818 SelectPhase::Begin {
819 position,
820 add: Editor::multi_cursor_modifier(true, &modifiers, cx),
821 click_count,
822 },
823 window,
824 cx,
825 );
826 }
827 cx.stop_propagation();
828 }
829
830 fn mouse_right_down(
831 editor: &mut Editor,
832 event: &MouseDownEvent,
833 position_map: &PositionMap,
834 window: &mut Window,
835 cx: &mut Context<Editor>,
836 ) {
837 if position_map.gutter_hitbox.is_hovered(window) {
838 let gutter_right_padding = editor.gutter_dimensions.right_padding;
839 let hitbox = &position_map.gutter_hitbox;
840
841 if event.position.x <= hitbox.bounds.right() - gutter_right_padding {
842 let point_for_position = position_map.point_for_position(event.position);
843 editor.set_breakpoint_context_menu(
844 point_for_position.previous_valid.row(),
845 None,
846 event.position,
847 window,
848 cx,
849 );
850 }
851 return;
852 }
853
854 if !position_map.text_hitbox.is_hovered(window) {
855 return;
856 }
857
858 let point_for_position = position_map.point_for_position(event.position);
859 mouse_context_menu::deploy_context_menu(
860 editor,
861 Some(event.position),
862 point_for_position.previous_valid,
863 window,
864 cx,
865 );
866 cx.stop_propagation();
867 }
868
869 fn mouse_middle_down(
870 editor: &mut Editor,
871 event: &MouseDownEvent,
872 position_map: &PositionMap,
873 window: &mut Window,
874 cx: &mut Context<Editor>,
875 ) {
876 if !position_map.text_hitbox.is_hovered(window) || window.default_prevented() {
877 return;
878 }
879
880 let point_for_position = position_map.point_for_position(event.position);
881 let position = point_for_position.previous_valid;
882
883 editor.select(
884 SelectPhase::BeginColumnar {
885 position,
886 reset: true,
887 mode: ColumnarMode::FromMouse,
888 goal_column: point_for_position.exact_unclipped.column(),
889 },
890 window,
891 cx,
892 );
893 }
894
895 fn mouse_up(
896 editor: &mut Editor,
897 event: &MouseUpEvent,
898 position_map: &PositionMap,
899 window: &mut Window,
900 cx: &mut Context<Editor>,
901 ) {
902 let text_hitbox = &position_map.text_hitbox;
903 let end_selection = editor.has_pending_selection();
904 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
905 let point_for_position = position_map.point_for_position(event.position);
906
907 match editor.selection_drag_state {
908 SelectionDragState::ReadyToDrag {
909 selection: _,
910 ref click_position,
911 mouse_down_time: _,
912 } => {
913 if event.position == *click_position {
914 editor.select(
915 SelectPhase::Begin {
916 position: point_for_position.previous_valid,
917 add: false,
918 click_count: 1, // ready to drag state only occurs on click count 1
919 },
920 window,
921 cx,
922 );
923 editor.selection_drag_state = SelectionDragState::None;
924 cx.stop_propagation();
925 return;
926 } else {
927 debug_panic!("drag state can never be in ready state after drag")
928 }
929 }
930 SelectionDragState::Dragging { ref selection, .. } => {
931 let snapshot = editor.snapshot(window, cx);
932 let selection_display = selection.map(|anchor| anchor.to_display_point(&snapshot));
933 if !point_for_position.intersects_selection(&selection_display)
934 && text_hitbox.is_hovered(window)
935 {
936 let is_cut = !(cfg!(target_os = "macos") && event.modifiers.alt
937 || cfg!(not(target_os = "macos")) && event.modifiers.control);
938 editor.move_selection_on_drop(
939 &selection.clone(),
940 point_for_position.previous_valid,
941 is_cut,
942 window,
943 cx,
944 );
945 }
946 editor.selection_drag_state = SelectionDragState::None;
947 cx.stop_propagation();
948 cx.notify();
949 return;
950 }
951 _ => {}
952 }
953
954 if end_selection {
955 editor.select(SelectPhase::End, window, cx);
956 }
957
958 if end_selection && pending_nonempty_selections {
959 cx.stop_propagation();
960 } else if cfg!(any(target_os = "linux", target_os = "freebsd"))
961 && event.button == MouseButton::Middle
962 {
963 #[allow(
964 clippy::collapsible_if,
965 clippy::needless_return,
966 reason = "The cfg-block below makes this a false positive"
967 )]
968 if !text_hitbox.is_hovered(window) || editor.read_only(cx) {
969 return;
970 }
971
972 #[cfg(any(target_os = "linux", target_os = "freebsd"))]
973 if EditorSettings::get_global(cx).middle_click_paste {
974 if let Some(text) = cx.read_from_primary().and_then(|item| item.text()) {
975 let point_for_position = position_map.point_for_position(event.position);
976 let position = point_for_position.previous_valid;
977
978 editor.select(
979 SelectPhase::Begin {
980 position,
981 add: false,
982 click_count: 1,
983 },
984 window,
985 cx,
986 );
987 editor.insert(&text, window, cx);
988 }
989 cx.stop_propagation()
990 }
991 }
992 }
993
994 fn click(
995 editor: &mut Editor,
996 event: &ClickEvent,
997 position_map: &PositionMap,
998 window: &mut Window,
999 cx: &mut Context<Editor>,
1000 ) {
1001 let text_hitbox = &position_map.text_hitbox;
1002 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
1003
1004 let hovered_link_modifier = Editor::multi_cursor_modifier(false, &event.modifiers(), cx);
1005
1006 if let Some(mouse_position) = event.mouse_position()
1007 && !pending_nonempty_selections
1008 && hovered_link_modifier
1009 && text_hitbox.is_hovered(window)
1010 {
1011 let point = position_map.point_for_position(mouse_position);
1012 editor.handle_click_hovered_link(point, event.modifiers(), window, cx);
1013 editor.selection_drag_state = SelectionDragState::None;
1014
1015 cx.stop_propagation();
1016 }
1017 }
1018
1019 fn mouse_dragged(
1020 editor: &mut Editor,
1021 event: &MouseMoveEvent,
1022 position_map: &PositionMap,
1023 window: &mut Window,
1024 cx: &mut Context<Editor>,
1025 ) {
1026 if !editor.has_pending_selection()
1027 && matches!(editor.selection_drag_state, SelectionDragState::None)
1028 {
1029 return;
1030 }
1031
1032 let point_for_position = position_map.point_for_position(event.position);
1033 let text_hitbox = &position_map.text_hitbox;
1034
1035 let scroll_delta = {
1036 let text_bounds = text_hitbox.bounds;
1037 let mut scroll_delta = gpui::Point::<f32>::default();
1038 let vertical_margin = position_map.line_height.min(text_bounds.size.height / 3.0);
1039 let top = text_bounds.origin.y + vertical_margin;
1040 let bottom = text_bounds.bottom_left().y - vertical_margin;
1041 if event.position.y < top {
1042 scroll_delta.y = -scale_vertical_mouse_autoscroll_delta(top - event.position.y);
1043 }
1044 if event.position.y > bottom {
1045 scroll_delta.y = scale_vertical_mouse_autoscroll_delta(event.position.y - bottom);
1046 }
1047
1048 // We need horizontal width of text
1049 let style = editor.style.clone().unwrap_or_default();
1050 let font_id = window.text_system().resolve_font(&style.text.font());
1051 let font_size = style.text.font_size.to_pixels(window.rem_size());
1052 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
1053
1054 let scroll_margin_x = EditorSettings::get_global(cx).horizontal_scroll_margin;
1055
1056 let scroll_space: Pixels = scroll_margin_x * em_width;
1057
1058 let left = text_bounds.origin.x + scroll_space;
1059 let right = text_bounds.top_right().x - scroll_space;
1060
1061 if event.position.x < left {
1062 scroll_delta.x = -scale_horizontal_mouse_autoscroll_delta(left - event.position.x);
1063 }
1064 if event.position.x > right {
1065 scroll_delta.x = scale_horizontal_mouse_autoscroll_delta(event.position.x - right);
1066 }
1067 scroll_delta
1068 };
1069
1070 if !editor.has_pending_selection() {
1071 let drop_anchor = position_map
1072 .snapshot
1073 .display_point_to_anchor(point_for_position.previous_valid, Bias::Left);
1074 match editor.selection_drag_state {
1075 SelectionDragState::Dragging {
1076 ref mut drop_cursor,
1077 ref mut hide_drop_cursor,
1078 ..
1079 } => {
1080 drop_cursor.start = drop_anchor;
1081 drop_cursor.end = drop_anchor;
1082 *hide_drop_cursor = !text_hitbox.is_hovered(window);
1083 editor.apply_scroll_delta(scroll_delta, window, cx);
1084 cx.notify();
1085 }
1086 SelectionDragState::ReadyToDrag {
1087 ref selection,
1088 ref click_position,
1089 ref mouse_down_time,
1090 } => {
1091 let drag_and_drop_delay = Duration::from_millis(
1092 EditorSettings::get_global(cx)
1093 .drag_and_drop_selection
1094 .delay
1095 .0,
1096 );
1097 if mouse_down_time.elapsed() >= drag_and_drop_delay {
1098 let drop_cursor = Selection {
1099 id: post_inc(&mut editor.selections.next_selection_id()),
1100 start: drop_anchor,
1101 end: drop_anchor,
1102 reversed: false,
1103 goal: SelectionGoal::None,
1104 };
1105 editor.selection_drag_state = SelectionDragState::Dragging {
1106 selection: selection.clone(),
1107 drop_cursor,
1108 hide_drop_cursor: false,
1109 };
1110 editor.apply_scroll_delta(scroll_delta, window, cx);
1111 cx.notify();
1112 } else {
1113 let click_point = position_map.point_for_position(*click_position);
1114 editor.selection_drag_state = SelectionDragState::None;
1115 editor.select(
1116 SelectPhase::Begin {
1117 position: click_point.previous_valid,
1118 add: false,
1119 click_count: 1,
1120 },
1121 window,
1122 cx,
1123 );
1124 editor.select(
1125 SelectPhase::Update {
1126 position: point_for_position.previous_valid,
1127 goal_column: point_for_position.exact_unclipped.column(),
1128 scroll_delta,
1129 },
1130 window,
1131 cx,
1132 );
1133 }
1134 }
1135 _ => {}
1136 }
1137 } else {
1138 editor.select(
1139 SelectPhase::Update {
1140 position: point_for_position.previous_valid,
1141 goal_column: point_for_position.exact_unclipped.column(),
1142 scroll_delta,
1143 },
1144 window,
1145 cx,
1146 );
1147 }
1148 }
1149
1150 fn mouse_moved(
1151 editor: &mut Editor,
1152 event: &MouseMoveEvent,
1153 position_map: &PositionMap,
1154 window: &mut Window,
1155 cx: &mut Context<Editor>,
1156 ) {
1157 let text_hitbox = &position_map.text_hitbox;
1158 let gutter_hitbox = &position_map.gutter_hitbox;
1159 let modifiers = event.modifiers;
1160 let text_hovered = text_hitbox.is_hovered(window);
1161 let gutter_hovered = gutter_hitbox.is_hovered(window);
1162 editor.set_gutter_hovered(gutter_hovered, cx);
1163 editor.show_mouse_cursor(cx);
1164
1165 let point_for_position = position_map.point_for_position(event.position);
1166 let valid_point = point_for_position.previous_valid;
1167
1168 let hovered_diff_control = position_map
1169 .diff_hunk_control_bounds
1170 .iter()
1171 .find(|(_, bounds)| bounds.contains(&event.position))
1172 .map(|(row, _)| *row);
1173
1174 let hovered_diff_hunk_row = if let Some(control_row) = hovered_diff_control {
1175 Some(control_row)
1176 } else if text_hovered {
1177 let current_row = valid_point.row();
1178 position_map.display_hunks.iter().find_map(|(hunk, _)| {
1179 if let DisplayDiffHunk::Unfolded {
1180 display_row_range, ..
1181 } = hunk
1182 {
1183 if display_row_range.contains(¤t_row) {
1184 Some(display_row_range.start)
1185 } else {
1186 None
1187 }
1188 } else {
1189 None
1190 }
1191 })
1192 } else {
1193 None
1194 };
1195
1196 if hovered_diff_hunk_row != editor.hovered_diff_hunk_row {
1197 editor.hovered_diff_hunk_row = hovered_diff_hunk_row;
1198 cx.notify();
1199 }
1200
1201 if let Some((bounds, buffer_id, blame_entry)) = &position_map.inline_blame_bounds {
1202 let mouse_over_inline_blame = bounds.contains(&event.position);
1203 let mouse_over_popover = editor
1204 .inline_blame_popover
1205 .as_ref()
1206 .and_then(|state| state.popover_bounds)
1207 .is_some_and(|bounds| bounds.contains(&event.position));
1208 let keyboard_grace = editor
1209 .inline_blame_popover
1210 .as_ref()
1211 .is_some_and(|state| state.keyboard_grace);
1212
1213 if mouse_over_inline_blame || mouse_over_popover {
1214 editor.show_blame_popover(*buffer_id, blame_entry, event.position, false, cx);
1215 } else if !keyboard_grace {
1216 editor.hide_blame_popover(cx);
1217 }
1218 } else {
1219 editor.hide_blame_popover(cx);
1220 }
1221
1222 let breakpoint_indicator = if gutter_hovered {
1223 let buffer_anchor = position_map
1224 .snapshot
1225 .display_point_to_anchor(valid_point, Bias::Left);
1226
1227 if let Some((buffer_snapshot, file)) = position_map
1228 .snapshot
1229 .buffer_snapshot()
1230 .buffer_for_excerpt(buffer_anchor.excerpt_id)
1231 .and_then(|buffer| buffer.file().map(|file| (buffer, file)))
1232 {
1233 let as_point = text::ToPoint::to_point(&buffer_anchor.text_anchor, buffer_snapshot);
1234
1235 let is_visible = editor
1236 .gutter_breakpoint_indicator
1237 .0
1238 .is_some_and(|indicator| indicator.is_active);
1239
1240 let has_existing_breakpoint =
1241 editor.breakpoint_store.as_ref().is_some_and(|store| {
1242 let Some(project) = &editor.project else {
1243 return false;
1244 };
1245 let Some(abs_path) = project.read(cx).absolute_path(
1246 &ProjectPath {
1247 path: file.path().clone(),
1248 worktree_id: file.worktree_id(cx),
1249 },
1250 cx,
1251 ) else {
1252 return false;
1253 };
1254 store
1255 .read(cx)
1256 .breakpoint_at_row(&abs_path, as_point.row, cx)
1257 .is_some()
1258 });
1259
1260 if !is_visible {
1261 editor.gutter_breakpoint_indicator.1.get_or_insert_with(|| {
1262 cx.spawn(async move |this, cx| {
1263 cx.background_executor()
1264 .timer(Duration::from_millis(200))
1265 .await;
1266
1267 this.update(cx, |this, cx| {
1268 if let Some(indicator) = this.gutter_breakpoint_indicator.0.as_mut()
1269 {
1270 indicator.is_active = true;
1271 cx.notify();
1272 }
1273 })
1274 .ok();
1275 })
1276 });
1277 }
1278
1279 Some(PhantomBreakpointIndicator {
1280 display_row: valid_point.row(),
1281 is_active: is_visible,
1282 collides_with_existing_breakpoint: has_existing_breakpoint,
1283 })
1284 } else {
1285 editor.gutter_breakpoint_indicator.1 = None;
1286 None
1287 }
1288 } else {
1289 editor.gutter_breakpoint_indicator.1 = None;
1290 None
1291 };
1292
1293 if &breakpoint_indicator != &editor.gutter_breakpoint_indicator.0 {
1294 editor.gutter_breakpoint_indicator.0 = breakpoint_indicator;
1295 cx.notify();
1296 }
1297
1298 // Don't trigger hover popover if mouse is hovering over context menu
1299 if text_hovered {
1300 editor.update_hovered_link(
1301 point_for_position,
1302 &position_map.snapshot,
1303 modifiers,
1304 window,
1305 cx,
1306 );
1307
1308 if let Some(point) = point_for_position.as_valid() {
1309 let anchor = position_map
1310 .snapshot
1311 .buffer_snapshot()
1312 .anchor_before(point.to_offset(&position_map.snapshot, Bias::Left));
1313 hover_at(editor, Some(anchor), window, cx);
1314 Self::update_visible_cursor(editor, point, position_map, window, cx);
1315 } else {
1316 hover_at(editor, None, window, cx);
1317 }
1318 } else {
1319 editor.hide_hovered_link(cx);
1320 hover_at(editor, None, window, cx);
1321 }
1322 }
1323
1324 fn update_visible_cursor(
1325 editor: &mut Editor,
1326 point: DisplayPoint,
1327 position_map: &PositionMap,
1328 window: &mut Window,
1329 cx: &mut Context<Editor>,
1330 ) {
1331 let snapshot = &position_map.snapshot;
1332 let Some(hub) = editor.collaboration_hub() else {
1333 return;
1334 };
1335 let start = snapshot.display_snapshot.clip_point(
1336 DisplayPoint::new(point.row(), point.column().saturating_sub(1)),
1337 Bias::Left,
1338 );
1339 let end = snapshot.display_snapshot.clip_point(
1340 DisplayPoint::new(
1341 point.row(),
1342 (point.column() + 1).min(snapshot.line_len(point.row())),
1343 ),
1344 Bias::Right,
1345 );
1346
1347 let range = snapshot
1348 .buffer_snapshot()
1349 .anchor_before(start.to_point(&snapshot.display_snapshot))
1350 ..snapshot
1351 .buffer_snapshot()
1352 .anchor_after(end.to_point(&snapshot.display_snapshot));
1353
1354 let Some(selection) = snapshot.remote_selections_in_range(&range, hub, cx).next() else {
1355 return;
1356 };
1357 let key = crate::HoveredCursor {
1358 replica_id: selection.replica_id,
1359 selection_id: selection.selection.id,
1360 };
1361 editor.hovered_cursors.insert(
1362 key.clone(),
1363 cx.spawn_in(window, async move |editor, cx| {
1364 cx.background_executor().timer(CURSORS_VISIBLE_FOR).await;
1365 editor
1366 .update(cx, |editor, cx| {
1367 editor.hovered_cursors.remove(&key);
1368 cx.notify();
1369 })
1370 .ok();
1371 }),
1372 );
1373 cx.notify()
1374 }
1375
1376 fn layout_selections(
1377 &self,
1378 start_anchor: Anchor,
1379 end_anchor: Anchor,
1380 local_selections: &[Selection<Point>],
1381 snapshot: &EditorSnapshot,
1382 start_row: DisplayRow,
1383 end_row: DisplayRow,
1384 window: &mut Window,
1385 cx: &mut App,
1386 ) -> (
1387 Vec<(PlayerColor, Vec<SelectionLayout>)>,
1388 BTreeMap<DisplayRow, LineHighlightSpec>,
1389 Option<DisplayPoint>,
1390 ) {
1391 let mut selections: Vec<(PlayerColor, Vec<SelectionLayout>)> = Vec::new();
1392 let mut active_rows = BTreeMap::new();
1393 let mut newest_selection_head = None;
1394
1395 let Some(editor_with_selections) = self.editor_with_selections(cx) else {
1396 return (selections, active_rows, newest_selection_head);
1397 };
1398
1399 editor_with_selections.update(cx, |editor, cx| {
1400 if editor.show_local_selections {
1401 let mut layouts = Vec::new();
1402 let newest = editor.selections.newest(&editor.display_snapshot(cx));
1403 for selection in local_selections.iter().cloned() {
1404 let is_empty = selection.start == selection.end;
1405 let is_newest = selection == newest;
1406
1407 let layout = SelectionLayout::new(
1408 selection,
1409 editor.selections.line_mode(),
1410 editor.cursor_shape,
1411 &snapshot.display_snapshot,
1412 is_newest,
1413 editor.leader_id.is_none(),
1414 None,
1415 );
1416 if is_newest {
1417 newest_selection_head = Some(layout.head);
1418 }
1419
1420 for row in cmp::max(layout.active_rows.start.0, start_row.0)
1421 ..=cmp::min(layout.active_rows.end.0, end_row.0)
1422 {
1423 let contains_non_empty_selection = active_rows
1424 .entry(DisplayRow(row))
1425 .or_insert_with(LineHighlightSpec::default);
1426 contains_non_empty_selection.selection |= !is_empty;
1427 }
1428 layouts.push(layout);
1429 }
1430
1431 let player = editor.current_user_player_color(cx);
1432 selections.push((player, layouts));
1433
1434 if let SelectionDragState::Dragging {
1435 ref selection,
1436 ref drop_cursor,
1437 ref hide_drop_cursor,
1438 } = editor.selection_drag_state
1439 && !hide_drop_cursor
1440 && (drop_cursor
1441 .start
1442 .cmp(&selection.start, &snapshot.buffer_snapshot())
1443 .eq(&Ordering::Less)
1444 || drop_cursor
1445 .end
1446 .cmp(&selection.end, &snapshot.buffer_snapshot())
1447 .eq(&Ordering::Greater))
1448 {
1449 let drag_cursor_layout = SelectionLayout::new(
1450 drop_cursor.clone(),
1451 false,
1452 CursorShape::Bar,
1453 &snapshot.display_snapshot,
1454 false,
1455 false,
1456 None,
1457 );
1458 let absent_color = cx.theme().players().absent();
1459 selections.push((absent_color, vec![drag_cursor_layout]));
1460 }
1461 }
1462
1463 if let Some(collaboration_hub) = &editor.collaboration_hub {
1464 // When following someone, render the local selections in their color.
1465 if let Some(leader_id) = editor.leader_id {
1466 match leader_id {
1467 CollaboratorId::PeerId(peer_id) => {
1468 if let Some(collaborator) =
1469 collaboration_hub.collaborators(cx).get(&peer_id)
1470 && let Some(participant_index) = collaboration_hub
1471 .user_participant_indices(cx)
1472 .get(&collaborator.user_id)
1473 && let Some((local_selection_style, _)) = selections.first_mut()
1474 {
1475 *local_selection_style = cx
1476 .theme()
1477 .players()
1478 .color_for_participant(participant_index.0);
1479 }
1480 }
1481 CollaboratorId::Agent => {
1482 if let Some((local_selection_style, _)) = selections.first_mut() {
1483 *local_selection_style = cx.theme().players().agent();
1484 }
1485 }
1486 }
1487 }
1488
1489 let mut remote_selections = HashMap::default();
1490 for selection in snapshot.remote_selections_in_range(
1491 &(start_anchor..end_anchor),
1492 collaboration_hub.as_ref(),
1493 cx,
1494 ) {
1495 // Don't re-render the leader's selections, since the local selections
1496 // match theirs.
1497 if Some(selection.collaborator_id) == editor.leader_id {
1498 continue;
1499 }
1500 let key = HoveredCursor {
1501 replica_id: selection.replica_id,
1502 selection_id: selection.selection.id,
1503 };
1504
1505 let is_shown =
1506 editor.show_cursor_names || editor.hovered_cursors.contains_key(&key);
1507
1508 remote_selections
1509 .entry(selection.replica_id)
1510 .or_insert((selection.color, Vec::new()))
1511 .1
1512 .push(SelectionLayout::new(
1513 selection.selection,
1514 selection.line_mode,
1515 selection.cursor_shape,
1516 &snapshot.display_snapshot,
1517 false,
1518 false,
1519 if is_shown { selection.user_name } else { None },
1520 ));
1521 }
1522
1523 selections.extend(remote_selections.into_values());
1524 } else if !editor.is_focused(window) && editor.show_cursor_when_unfocused {
1525 let layouts = snapshot
1526 .buffer_snapshot()
1527 .selections_in_range(&(start_anchor..end_anchor), true)
1528 .map(move |(_, line_mode, cursor_shape, selection)| {
1529 SelectionLayout::new(
1530 selection,
1531 line_mode,
1532 cursor_shape,
1533 &snapshot.display_snapshot,
1534 false,
1535 false,
1536 None,
1537 )
1538 })
1539 .collect::<Vec<_>>();
1540 let player = editor.current_user_player_color(cx);
1541 selections.push((player, layouts));
1542 }
1543 });
1544
1545 #[cfg(debug_assertions)]
1546 Self::layout_debug_ranges(
1547 &mut selections,
1548 start_anchor..end_anchor,
1549 &snapshot.display_snapshot,
1550 cx,
1551 );
1552
1553 (selections, active_rows, newest_selection_head)
1554 }
1555
1556 fn collect_cursors(
1557 &self,
1558 snapshot: &EditorSnapshot,
1559 cx: &mut App,
1560 ) -> Vec<(DisplayPoint, Hsla)> {
1561 let editor = self.editor.read(cx);
1562 let mut cursors = Vec::new();
1563 let mut skip_local = false;
1564 let mut add_cursor = |anchor: Anchor, color| {
1565 cursors.push((anchor.to_display_point(&snapshot.display_snapshot), color));
1566 };
1567 // Remote cursors
1568 if let Some(collaboration_hub) = &editor.collaboration_hub {
1569 for remote_selection in snapshot.remote_selections_in_range(
1570 &(Anchor::min()..Anchor::max()),
1571 collaboration_hub.deref(),
1572 cx,
1573 ) {
1574 add_cursor(
1575 remote_selection.selection.head(),
1576 remote_selection.color.cursor,
1577 );
1578 if Some(remote_selection.collaborator_id) == editor.leader_id {
1579 skip_local = true;
1580 }
1581 }
1582 }
1583 // Local cursors
1584 if !skip_local {
1585 let color = cx.theme().players().local().cursor;
1586 editor
1587 .selections
1588 .disjoint_anchors()
1589 .iter()
1590 .for_each(|selection| {
1591 add_cursor(selection.head(), color);
1592 });
1593 if let Some(ref selection) = editor.selections.pending_anchor() {
1594 add_cursor(selection.head(), color);
1595 }
1596 }
1597 cursors
1598 }
1599
1600 fn layout_visible_cursors(
1601 &self,
1602 snapshot: &EditorSnapshot,
1603 selections: &[(PlayerColor, Vec<SelectionLayout>)],
1604 row_block_types: &HashMap<DisplayRow, bool>,
1605 visible_display_row_range: Range<DisplayRow>,
1606 line_layouts: &[LineWithInvisibles],
1607 text_hitbox: &Hitbox,
1608 content_origin: gpui::Point<Pixels>,
1609 scroll_position: gpui::Point<ScrollOffset>,
1610 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
1611 line_height: Pixels,
1612 em_width: Pixels,
1613 em_advance: Pixels,
1614 autoscroll_containing_element: bool,
1615 window: &mut Window,
1616 cx: &mut App,
1617 ) -> Vec<CursorLayout> {
1618 let mut autoscroll_bounds = None;
1619 let cursor_layouts = self.editor.update(cx, |editor, cx| {
1620 let mut cursors = Vec::new();
1621
1622 let show_local_cursors = editor.show_local_cursors(window, cx);
1623
1624 for (player_color, selections) in selections {
1625 for selection in selections {
1626 let cursor_position = selection.head;
1627
1628 let in_range = visible_display_row_range.contains(&cursor_position.row());
1629 if (selection.is_local && !show_local_cursors)
1630 || !in_range
1631 || row_block_types.get(&cursor_position.row()) == Some(&true)
1632 {
1633 continue;
1634 }
1635
1636 let cursor_row_layout = &line_layouts
1637 [cursor_position.row().minus(visible_display_row_range.start) as usize];
1638 let cursor_column = cursor_position.column() as usize;
1639
1640 let cursor_character_x = cursor_row_layout.x_for_index(cursor_column);
1641 let mut block_width =
1642 cursor_row_layout.x_for_index(cursor_column + 1) - cursor_character_x;
1643 if block_width == Pixels::ZERO {
1644 block_width = em_advance;
1645 }
1646 let block_text = if let CursorShape::Block = selection.cursor_shape {
1647 snapshot
1648 .grapheme_at(cursor_position)
1649 .or_else(|| {
1650 if snapshot.is_empty() {
1651 snapshot.placeholder_text().and_then(|s| {
1652 s.graphemes(true).next().map(|s| s.to_string().into())
1653 })
1654 } else {
1655 None
1656 }
1657 })
1658 .map(|text| {
1659 let len = text.len();
1660
1661 let mut font = cursor_row_layout
1662 .font_id_for_index(cursor_column)
1663 .and_then(|cursor_font_id| {
1664 window.text_system().get_font_for_id(cursor_font_id)
1665 })
1666 .unwrap_or(self.style.text.font());
1667 font.features = self.style.text.font_features.clone();
1668
1669 // Invert the text color for the block cursor. Ensure that the text
1670 // color is opaque enough to be visible against the background color.
1671 //
1672 // 0.75 is an arbitrary threshold to determine if the background color is
1673 // opaque enough to use as a text color.
1674 //
1675 // TODO: In the future we should ensure themes have a `text_inverse` color.
1676 let color = if cx.theme().colors().editor_background.a < 0.75 {
1677 match cx.theme().appearance {
1678 Appearance::Dark => Hsla::black(),
1679 Appearance::Light => Hsla::white(),
1680 }
1681 } else {
1682 cx.theme().colors().editor_background
1683 };
1684
1685 window.text_system().shape_line(
1686 text,
1687 cursor_row_layout.font_size,
1688 &[TextRun {
1689 len,
1690 font,
1691 color,
1692 background_color: None,
1693 strikethrough: None,
1694 underline: None,
1695 }],
1696 None,
1697 )
1698 })
1699 } else {
1700 None
1701 };
1702
1703 let x = cursor_character_x - scroll_pixel_position.x.into();
1704 let y = ((cursor_position.row().as_f64() - scroll_position.y)
1705 * ScrollPixelOffset::from(line_height))
1706 .into();
1707 if selection.is_newest {
1708 editor.pixel_position_of_newest_cursor = Some(point(
1709 text_hitbox.origin.x + x + block_width / 2.,
1710 text_hitbox.origin.y + y + line_height / 2.,
1711 ));
1712
1713 if autoscroll_containing_element {
1714 let top = text_hitbox.origin.y
1715 + ((cursor_position.row().as_f64() - scroll_position.y - 3.)
1716 .max(0.)
1717 * ScrollPixelOffset::from(line_height))
1718 .into();
1719 let left = text_hitbox.origin.x
1720 + ((cursor_position.column() as ScrollOffset
1721 - scroll_position.x
1722 - 3.)
1723 .max(0.)
1724 * ScrollPixelOffset::from(em_width))
1725 .into();
1726
1727 let bottom = text_hitbox.origin.y
1728 + ((cursor_position.row().as_f64() - scroll_position.y + 4.)
1729 * ScrollPixelOffset::from(line_height))
1730 .into();
1731 let right = text_hitbox.origin.x
1732 + ((cursor_position.column() as ScrollOffset - scroll_position.x
1733 + 4.)
1734 * ScrollPixelOffset::from(em_width))
1735 .into();
1736
1737 autoscroll_bounds =
1738 Some(Bounds::from_corners(point(left, top), point(right, bottom)))
1739 }
1740 }
1741
1742 let mut cursor = CursorLayout {
1743 color: player_color.cursor,
1744 block_width,
1745 origin: point(x, y),
1746 line_height,
1747 shape: selection.cursor_shape,
1748 block_text,
1749 cursor_name: None,
1750 };
1751 let cursor_name = selection.user_name.clone().map(|name| CursorName {
1752 string: name,
1753 color: self.style.background,
1754 is_top_row: cursor_position.row().0 == 0,
1755 });
1756 cursor.layout(content_origin, cursor_name, window, cx);
1757 cursors.push(cursor);
1758 }
1759 }
1760
1761 cursors
1762 });
1763
1764 if let Some(bounds) = autoscroll_bounds {
1765 window.request_autoscroll(bounds);
1766 }
1767
1768 cursor_layouts
1769 }
1770
1771 fn layout_scrollbars(
1772 &self,
1773 snapshot: &EditorSnapshot,
1774 scrollbar_layout_information: &ScrollbarLayoutInformation,
1775 content_offset: gpui::Point<Pixels>,
1776 scroll_position: gpui::Point<ScrollOffset>,
1777 non_visible_cursors: bool,
1778 right_margin: Pixels,
1779 editor_width: Pixels,
1780 window: &mut Window,
1781 cx: &mut App,
1782 ) -> Option<EditorScrollbars> {
1783 let show_scrollbars = self.editor.read(cx).show_scrollbars;
1784 if (!show_scrollbars.horizontal && !show_scrollbars.vertical)
1785 || self.style.scrollbar_width.is_zero()
1786 {
1787 return None;
1788 }
1789
1790 // If a drag took place after we started dragging the scrollbar,
1791 // cancel the scrollbar drag.
1792 if cx.has_active_drag() {
1793 self.editor.update(cx, |editor, cx| {
1794 editor.scroll_manager.reset_scrollbar_state(cx)
1795 });
1796 }
1797
1798 let editor_settings = EditorSettings::get_global(cx);
1799 let scrollbar_settings = editor_settings.scrollbar;
1800 let show_scrollbars = match scrollbar_settings.show {
1801 ShowScrollbar::Auto => {
1802 let editor = self.editor.read(cx);
1803 let is_singleton = editor.buffer_kind(cx) == ItemBufferKind::Singleton;
1804 // Git
1805 (is_singleton && scrollbar_settings.git_diff && snapshot.buffer_snapshot().has_diff_hunks())
1806 ||
1807 // Buffer Search Results
1808 (is_singleton && scrollbar_settings.search_results && editor.has_background_highlights::<BufferSearchHighlights>())
1809 ||
1810 // Selected Text Occurrences
1811 (is_singleton && scrollbar_settings.selected_text && editor.has_background_highlights::<SelectedTextHighlight>())
1812 ||
1813 // Selected Symbol Occurrences
1814 (is_singleton && scrollbar_settings.selected_symbol && (editor.has_background_highlights::<DocumentHighlightRead>() || editor.has_background_highlights::<DocumentHighlightWrite>()))
1815 ||
1816 // Diagnostics
1817 (is_singleton && scrollbar_settings.diagnostics != ScrollbarDiagnostics::None && snapshot.buffer_snapshot().has_diagnostics())
1818 ||
1819 // Cursors out of sight
1820 non_visible_cursors
1821 ||
1822 // Scrollmanager
1823 editor.scroll_manager.scrollbars_visible()
1824 }
1825 ShowScrollbar::System => self.editor.read(cx).scroll_manager.scrollbars_visible(),
1826 ShowScrollbar::Always => true,
1827 ShowScrollbar::Never => return None,
1828 };
1829
1830 // The horizontal scrollbar is usually slightly offset to align nicely with
1831 // indent guides. However, this offset is not needed if indent guides are
1832 // disabled for the current editor.
1833 let content_offset = self
1834 .editor
1835 .read(cx)
1836 .show_indent_guides
1837 .is_none_or(|should_show| should_show)
1838 .then_some(content_offset)
1839 .unwrap_or_default();
1840
1841 Some(EditorScrollbars::from_scrollbar_axes(
1842 ScrollbarAxes {
1843 horizontal: scrollbar_settings.axes.horizontal
1844 && self.editor.read(cx).show_scrollbars.horizontal,
1845 vertical: scrollbar_settings.axes.vertical
1846 && self.editor.read(cx).show_scrollbars.vertical,
1847 },
1848 scrollbar_layout_information,
1849 content_offset,
1850 scroll_position,
1851 self.style.scrollbar_width,
1852 right_margin,
1853 editor_width,
1854 show_scrollbars,
1855 self.editor.read(cx).scroll_manager.active_scrollbar_state(),
1856 window,
1857 ))
1858 }
1859
1860 fn layout_minimap(
1861 &self,
1862 snapshot: &EditorSnapshot,
1863 minimap_width: Pixels,
1864 scroll_position: gpui::Point<f64>,
1865 scrollbar_layout_information: &ScrollbarLayoutInformation,
1866 scrollbar_layout: Option<&EditorScrollbars>,
1867 window: &mut Window,
1868 cx: &mut App,
1869 ) -> Option<MinimapLayout> {
1870 let minimap_editor = self.editor.read(cx).minimap().cloned()?;
1871
1872 let minimap_settings = EditorSettings::get_global(cx).minimap;
1873
1874 if minimap_settings.on_active_editor() {
1875 let active_editor = self.editor.read(cx).workspace().and_then(|ws| {
1876 ws.read(cx)
1877 .active_pane()
1878 .read(cx)
1879 .active_item()
1880 .and_then(|i| i.act_as::<Editor>(cx))
1881 });
1882 if active_editor.is_some_and(|e| e != self.editor) {
1883 return None;
1884 }
1885 }
1886
1887 if !snapshot.mode.is_full()
1888 || minimap_width.is_zero()
1889 || matches!(
1890 minimap_settings.show,
1891 ShowMinimap::Auto if scrollbar_layout.is_none_or(|layout| !layout.visible)
1892 )
1893 {
1894 return None;
1895 }
1896
1897 const MINIMAP_AXIS: ScrollbarAxis = ScrollbarAxis::Vertical;
1898
1899 let ScrollbarLayoutInformation {
1900 editor_bounds,
1901 scroll_range,
1902 glyph_grid_cell,
1903 } = scrollbar_layout_information;
1904
1905 let line_height = glyph_grid_cell.height;
1906 let scroll_position = scroll_position.along(MINIMAP_AXIS);
1907
1908 let top_right_anchor = scrollbar_layout
1909 .and_then(|layout| layout.vertical.as_ref())
1910 .map(|vertical_scrollbar| vertical_scrollbar.hitbox.origin)
1911 .unwrap_or_else(|| editor_bounds.top_right());
1912
1913 let thumb_state = self
1914 .editor
1915 .read_with(cx, |editor, _| editor.scroll_manager.minimap_thumb_state());
1916
1917 let show_thumb = match minimap_settings.thumb {
1918 MinimapThumb::Always => true,
1919 MinimapThumb::Hover => thumb_state.is_some(),
1920 };
1921
1922 let minimap_bounds = Bounds::from_corner_and_size(
1923 Corner::TopRight,
1924 top_right_anchor,
1925 size(minimap_width, editor_bounds.size.height),
1926 );
1927 let minimap_line_height = self.get_minimap_line_height(
1928 minimap_editor
1929 .read(cx)
1930 .text_style_refinement
1931 .as_ref()
1932 .and_then(|refinement| refinement.font_size)
1933 .unwrap_or(MINIMAP_FONT_SIZE),
1934 window,
1935 cx,
1936 );
1937 let minimap_height = minimap_bounds.size.height;
1938
1939 let visible_editor_lines = (editor_bounds.size.height / line_height) as f64;
1940 let total_editor_lines = (scroll_range.height / line_height) as f64;
1941 let minimap_lines = (minimap_height / minimap_line_height) as f64;
1942
1943 let minimap_scroll_top = MinimapLayout::calculate_minimap_top_offset(
1944 total_editor_lines,
1945 visible_editor_lines,
1946 minimap_lines,
1947 scroll_position,
1948 );
1949
1950 let layout = ScrollbarLayout::for_minimap(
1951 window.insert_hitbox(minimap_bounds, HitboxBehavior::Normal),
1952 visible_editor_lines,
1953 total_editor_lines,
1954 minimap_line_height,
1955 scroll_position,
1956 minimap_scroll_top,
1957 show_thumb,
1958 )
1959 .with_thumb_state(thumb_state);
1960
1961 minimap_editor.update(cx, |editor, cx| {
1962 editor.set_scroll_position(point(0., minimap_scroll_top), window, cx)
1963 });
1964
1965 // Required for the drop shadow to be visible
1966 const PADDING_OFFSET: Pixels = px(4.);
1967
1968 let mut minimap = div()
1969 .size_full()
1970 .shadow_xs()
1971 .px(PADDING_OFFSET)
1972 .child(minimap_editor)
1973 .into_any_element();
1974
1975 let extended_bounds = minimap_bounds.extend(Edges {
1976 right: PADDING_OFFSET,
1977 left: PADDING_OFFSET,
1978 ..Default::default()
1979 });
1980 minimap.layout_as_root(extended_bounds.size.into(), window, cx);
1981 window.with_absolute_element_offset(extended_bounds.origin, |window| {
1982 minimap.prepaint(window, cx)
1983 });
1984
1985 Some(MinimapLayout {
1986 minimap,
1987 thumb_layout: layout,
1988 thumb_border_style: minimap_settings.thumb_border,
1989 minimap_line_height,
1990 minimap_scroll_top,
1991 max_scroll_top: total_editor_lines,
1992 })
1993 }
1994
1995 fn get_minimap_line_height(
1996 &self,
1997 font_size: AbsoluteLength,
1998 window: &mut Window,
1999 cx: &mut App,
2000 ) -> Pixels {
2001 let rem_size = self.rem_size(cx).unwrap_or(window.rem_size());
2002 let mut text_style = self.style.text.clone();
2003 text_style.font_size = font_size;
2004 text_style.line_height_in_pixels(rem_size)
2005 }
2006
2007 fn get_minimap_width(
2008 &self,
2009 minimap_settings: &Minimap,
2010 scrollbars_shown: bool,
2011 text_width: Pixels,
2012 em_width: Pixels,
2013 font_size: Pixels,
2014 rem_size: Pixels,
2015 cx: &App,
2016 ) -> Option<Pixels> {
2017 if minimap_settings.show == ShowMinimap::Auto && !scrollbars_shown {
2018 return None;
2019 }
2020
2021 let minimap_font_size = self.editor.read_with(cx, |editor, cx| {
2022 editor.minimap().map(|minimap_editor| {
2023 minimap_editor
2024 .read(cx)
2025 .text_style_refinement
2026 .as_ref()
2027 .and_then(|refinement| refinement.font_size)
2028 .unwrap_or(MINIMAP_FONT_SIZE)
2029 })
2030 })?;
2031
2032 let minimap_em_width = em_width * (minimap_font_size.to_pixels(rem_size) / font_size);
2033
2034 let minimap_width = (text_width * MinimapLayout::MINIMAP_WIDTH_PCT)
2035 .min(minimap_em_width * minimap_settings.max_width_columns.get() as f32);
2036
2037 (minimap_width >= minimap_em_width * MinimapLayout::MINIMAP_MIN_WIDTH_COLUMNS)
2038 .then_some(minimap_width)
2039 }
2040
2041 fn prepaint_crease_toggles(
2042 &self,
2043 crease_toggles: &mut [Option<AnyElement>],
2044 line_height: Pixels,
2045 gutter_dimensions: &GutterDimensions,
2046 gutter_settings: crate::editor_settings::Gutter,
2047 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2048 gutter_hitbox: &Hitbox,
2049 window: &mut Window,
2050 cx: &mut App,
2051 ) {
2052 for (ix, crease_toggle) in crease_toggles.iter_mut().enumerate() {
2053 if let Some(crease_toggle) = crease_toggle {
2054 debug_assert!(gutter_settings.folds);
2055 let available_space = size(
2056 AvailableSpace::MinContent,
2057 AvailableSpace::Definite(line_height * 0.55),
2058 );
2059 let crease_toggle_size = crease_toggle.layout_as_root(available_space, window, cx);
2060
2061 let position = point(
2062 gutter_dimensions.width - gutter_dimensions.right_padding,
2063 ix as f32 * line_height
2064 - (scroll_pixel_position.y % ScrollPixelOffset::from(line_height)).into(),
2065 );
2066 let centering_offset = point(
2067 (gutter_dimensions.fold_area_width() - crease_toggle_size.width) / 2.,
2068 (line_height - crease_toggle_size.height) / 2.,
2069 );
2070 let origin = gutter_hitbox.origin + position + centering_offset;
2071 crease_toggle.prepaint_as_root(origin, available_space, window, cx);
2072 }
2073 }
2074 }
2075
2076 fn prepaint_expand_toggles(
2077 &self,
2078 expand_toggles: &mut [Option<(AnyElement, gpui::Point<Pixels>)>],
2079 window: &mut Window,
2080 cx: &mut App,
2081 ) {
2082 for (expand_toggle, origin) in expand_toggles.iter_mut().flatten() {
2083 let available_space = size(AvailableSpace::MinContent, AvailableSpace::MinContent);
2084 expand_toggle.layout_as_root(available_space, window, cx);
2085 expand_toggle.prepaint_as_root(*origin, available_space, window, cx);
2086 }
2087 }
2088
2089 fn prepaint_crease_trailers(
2090 &self,
2091 trailers: Vec<Option<AnyElement>>,
2092 lines: &[LineWithInvisibles],
2093 line_height: Pixels,
2094 content_origin: gpui::Point<Pixels>,
2095 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2096 em_width: Pixels,
2097 window: &mut Window,
2098 cx: &mut App,
2099 ) -> Vec<Option<CreaseTrailerLayout>> {
2100 trailers
2101 .into_iter()
2102 .enumerate()
2103 .map(|(ix, element)| {
2104 let mut element = element?;
2105 let available_space = size(
2106 AvailableSpace::MinContent,
2107 AvailableSpace::Definite(line_height),
2108 );
2109 let size = element.layout_as_root(available_space, window, cx);
2110
2111 let line = &lines[ix];
2112 let padding = if line.width == Pixels::ZERO {
2113 Pixels::ZERO
2114 } else {
2115 4. * em_width
2116 };
2117 let position = point(
2118 Pixels::from(scroll_pixel_position.x) + line.width + padding,
2119 ix as f32 * line_height
2120 - (scroll_pixel_position.y % ScrollPixelOffset::from(line_height)).into(),
2121 );
2122 let centering_offset = point(px(0.), (line_height - size.height) / 2.);
2123 let origin = content_origin + position + centering_offset;
2124 element.prepaint_as_root(origin, available_space, window, cx);
2125 Some(CreaseTrailerLayout {
2126 element,
2127 bounds: Bounds::new(origin, size),
2128 })
2129 })
2130 .collect()
2131 }
2132
2133 // Folds contained in a hunk are ignored apart from shrinking visual size
2134 // If a fold contains any hunks then that fold line is marked as modified
2135 fn layout_gutter_diff_hunks(
2136 &self,
2137 line_height: Pixels,
2138 gutter_hitbox: &Hitbox,
2139 display_rows: Range<DisplayRow>,
2140 snapshot: &EditorSnapshot,
2141 window: &mut Window,
2142 cx: &mut App,
2143 ) -> Vec<(DisplayDiffHunk, Option<Hitbox>)> {
2144 let folded_buffers = self.editor.read(cx).folded_buffers(cx);
2145 let mut display_hunks = snapshot
2146 .display_diff_hunks_for_rows(display_rows, folded_buffers)
2147 .map(|hunk| (hunk, None))
2148 .collect::<Vec<_>>();
2149 let git_gutter_setting = ProjectSettings::get_global(cx).git.git_gutter;
2150 if let GitGutterSetting::TrackedFiles = git_gutter_setting {
2151 for (hunk, hitbox) in &mut display_hunks {
2152 if matches!(hunk, DisplayDiffHunk::Unfolded { .. }) {
2153 let hunk_bounds =
2154 Self::diff_hunk_bounds(snapshot, line_height, gutter_hitbox.bounds, hunk);
2155 *hitbox = Some(window.insert_hitbox(hunk_bounds, HitboxBehavior::BlockMouse));
2156 }
2157 }
2158 }
2159
2160 display_hunks
2161 }
2162
2163 fn layout_inline_diagnostics(
2164 &self,
2165 line_layouts: &[LineWithInvisibles],
2166 crease_trailers: &[Option<CreaseTrailerLayout>],
2167 row_block_types: &HashMap<DisplayRow, bool>,
2168 content_origin: gpui::Point<Pixels>,
2169 scroll_position: gpui::Point<ScrollOffset>,
2170 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2171 edit_prediction_popover_origin: Option<gpui::Point<Pixels>>,
2172 start_row: DisplayRow,
2173 end_row: DisplayRow,
2174 line_height: Pixels,
2175 em_width: Pixels,
2176 style: &EditorStyle,
2177 window: &mut Window,
2178 cx: &mut App,
2179 ) -> HashMap<DisplayRow, AnyElement> {
2180 let max_severity = match self
2181 .editor
2182 .read(cx)
2183 .inline_diagnostics_enabled()
2184 .then(|| {
2185 ProjectSettings::get_global(cx)
2186 .diagnostics
2187 .inline
2188 .max_severity
2189 .unwrap_or_else(|| self.editor.read(cx).diagnostics_max_severity)
2190 .into_lsp()
2191 })
2192 .flatten()
2193 {
2194 Some(max_severity) => max_severity,
2195 None => return HashMap::default(),
2196 };
2197
2198 let active_diagnostics_group =
2199 if let ActiveDiagnostic::Group(group) = &self.editor.read(cx).active_diagnostics {
2200 Some(group.group_id)
2201 } else {
2202 None
2203 };
2204
2205 let diagnostics_by_rows = self.editor.update(cx, |editor, cx| {
2206 let snapshot = editor.snapshot(window, cx);
2207 editor
2208 .inline_diagnostics
2209 .iter()
2210 .filter(|(_, diagnostic)| diagnostic.severity <= max_severity)
2211 .filter(|(_, diagnostic)| match active_diagnostics_group {
2212 Some(active_diagnostics_group) => {
2213 // Active diagnostics are all shown in the editor already, no need to display them inline
2214 diagnostic.group_id != active_diagnostics_group
2215 }
2216 None => true,
2217 })
2218 .map(|(point, diag)| (point.to_display_point(&snapshot), diag.clone()))
2219 .skip_while(|(point, _)| point.row() < start_row)
2220 .take_while(|(point, _)| point.row() < end_row)
2221 .filter(|(point, _)| !row_block_types.contains_key(&point.row()))
2222 .fold(HashMap::default(), |mut acc, (point, diagnostic)| {
2223 acc.entry(point.row())
2224 .or_insert_with(Vec::new)
2225 .push(diagnostic);
2226 acc
2227 })
2228 });
2229
2230 if diagnostics_by_rows.is_empty() {
2231 return HashMap::default();
2232 }
2233
2234 let severity_to_color = |sev: &lsp::DiagnosticSeverity| match sev {
2235 &lsp::DiagnosticSeverity::ERROR => Color::Error,
2236 &lsp::DiagnosticSeverity::WARNING => Color::Warning,
2237 &lsp::DiagnosticSeverity::INFORMATION => Color::Info,
2238 &lsp::DiagnosticSeverity::HINT => Color::Hint,
2239 _ => Color::Error,
2240 };
2241
2242 let padding = ProjectSettings::get_global(cx).diagnostics.inline.padding as f32 * em_width;
2243 let min_x = self.column_pixels(
2244 ProjectSettings::get_global(cx)
2245 .diagnostics
2246 .inline
2247 .min_column as usize,
2248 window,
2249 );
2250
2251 let mut elements = HashMap::default();
2252 for (row, mut diagnostics) in diagnostics_by_rows {
2253 diagnostics.sort_by_key(|diagnostic| {
2254 (
2255 diagnostic.severity,
2256 std::cmp::Reverse(diagnostic.is_primary),
2257 diagnostic.start.row,
2258 diagnostic.start.column,
2259 )
2260 });
2261
2262 let Some(diagnostic_to_render) = diagnostics
2263 .iter()
2264 .find(|diagnostic| diagnostic.is_primary)
2265 .or_else(|| diagnostics.first())
2266 else {
2267 continue;
2268 };
2269
2270 let pos_y = content_origin.y + line_height * (row.0 as f64 - scroll_position.y) as f32;
2271
2272 let window_ix = row.0.saturating_sub(start_row.0) as usize;
2273 let pos_x = {
2274 let crease_trailer_layout = &crease_trailers[window_ix];
2275 let line_layout = &line_layouts[window_ix];
2276
2277 let line_end = if let Some(crease_trailer) = crease_trailer_layout {
2278 crease_trailer.bounds.right()
2279 } else {
2280 Pixels::from(
2281 ScrollPixelOffset::from(content_origin.x + line_layout.width)
2282 - scroll_pixel_position.x,
2283 )
2284 };
2285
2286 let padded_line = line_end + padding;
2287 let min_start = Pixels::from(
2288 ScrollPixelOffset::from(content_origin.x + min_x) - scroll_pixel_position.x,
2289 );
2290
2291 cmp::max(padded_line, min_start)
2292 };
2293
2294 let behind_edit_prediction_popover = edit_prediction_popover_origin
2295 .as_ref()
2296 .is_some_and(|edit_prediction_popover_origin| {
2297 (pos_y..pos_y + line_height).contains(&edit_prediction_popover_origin.y)
2298 });
2299 let opacity = if behind_edit_prediction_popover {
2300 0.5
2301 } else {
2302 1.0
2303 };
2304
2305 let mut element = h_flex()
2306 .id(("diagnostic", row.0))
2307 .h(line_height)
2308 .w_full()
2309 .px_1()
2310 .rounded_xs()
2311 .opacity(opacity)
2312 .bg(severity_to_color(&diagnostic_to_render.severity)
2313 .color(cx)
2314 .opacity(0.05))
2315 .text_color(severity_to_color(&diagnostic_to_render.severity).color(cx))
2316 .text_sm()
2317 .font_family(style.text.font().family)
2318 .child(diagnostic_to_render.message.clone())
2319 .into_any();
2320
2321 element.prepaint_as_root(point(pos_x, pos_y), AvailableSpace::min_size(), window, cx);
2322
2323 elements.insert(row, element);
2324 }
2325
2326 elements
2327 }
2328
2329 fn layout_inline_code_actions(
2330 &self,
2331 display_point: DisplayPoint,
2332 content_origin: gpui::Point<Pixels>,
2333 scroll_position: gpui::Point<ScrollOffset>,
2334 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2335 line_height: Pixels,
2336 snapshot: &EditorSnapshot,
2337 window: &mut Window,
2338 cx: &mut App,
2339 ) -> Option<AnyElement> {
2340 if !snapshot
2341 .show_code_actions
2342 .unwrap_or(EditorSettings::get_global(cx).inline_code_actions)
2343 {
2344 return None;
2345 }
2346
2347 let icon_size = ui::IconSize::XSmall;
2348 let mut button = self.editor.update(cx, |editor, cx| {
2349 editor.available_code_actions.as_ref()?;
2350 let active = editor
2351 .context_menu
2352 .borrow()
2353 .as_ref()
2354 .and_then(|menu| {
2355 if let crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2356 deployed_from,
2357 ..
2358 }) = menu
2359 {
2360 deployed_from.as_ref()
2361 } else {
2362 None
2363 }
2364 })
2365 .is_some_and(|source| matches!(source, CodeActionSource::Indicator(..)));
2366 Some(editor.render_inline_code_actions(icon_size, display_point.row(), active, cx))
2367 })?;
2368
2369 let buffer_point = display_point.to_point(&snapshot.display_snapshot);
2370
2371 // do not show code action for folded line
2372 if snapshot.is_line_folded(MultiBufferRow(buffer_point.row)) {
2373 return None;
2374 }
2375
2376 // do not show code action for blank line with cursor
2377 let line_indent = snapshot
2378 .display_snapshot
2379 .buffer_snapshot()
2380 .line_indent_for_row(MultiBufferRow(buffer_point.row));
2381 if line_indent.is_line_blank() {
2382 return None;
2383 }
2384
2385 const INLINE_SLOT_CHAR_LIMIT: u32 = 4;
2386 const MAX_ALTERNATE_DISTANCE: u32 = 8;
2387
2388 let excerpt_id = snapshot
2389 .display_snapshot
2390 .buffer_snapshot()
2391 .excerpt_containing(buffer_point..buffer_point)
2392 .map(|excerpt| excerpt.id());
2393
2394 let is_valid_row = |row_candidate: u32| -> bool {
2395 // move to other row if folded row
2396 if snapshot.is_line_folded(MultiBufferRow(row_candidate)) {
2397 return false;
2398 }
2399 if buffer_point.row == row_candidate {
2400 // move to other row if cursor is in slot
2401 if buffer_point.column < INLINE_SLOT_CHAR_LIMIT {
2402 return false;
2403 }
2404 } else {
2405 let candidate_point = MultiBufferPoint {
2406 row: row_candidate,
2407 column: 0,
2408 };
2409 let candidate_excerpt_id = snapshot
2410 .display_snapshot
2411 .buffer_snapshot()
2412 .excerpt_containing(candidate_point..candidate_point)
2413 .map(|excerpt| excerpt.id());
2414 // move to other row if different excerpt
2415 if excerpt_id != candidate_excerpt_id {
2416 return false;
2417 }
2418 }
2419 let line_indent = snapshot
2420 .display_snapshot
2421 .buffer_snapshot()
2422 .line_indent_for_row(MultiBufferRow(row_candidate));
2423 // use this row if it's blank
2424 if line_indent.is_line_blank() {
2425 true
2426 } else {
2427 // use this row if code starts after slot
2428 let indent_size = snapshot
2429 .display_snapshot
2430 .buffer_snapshot()
2431 .indent_size_for_line(MultiBufferRow(row_candidate));
2432 indent_size.len >= INLINE_SLOT_CHAR_LIMIT
2433 }
2434 };
2435
2436 let new_buffer_row = if is_valid_row(buffer_point.row) {
2437 Some(buffer_point.row)
2438 } else {
2439 let max_row = snapshot.display_snapshot.buffer_snapshot().max_point().row;
2440 (1..=MAX_ALTERNATE_DISTANCE).find_map(|offset| {
2441 let row_above = buffer_point.row.saturating_sub(offset);
2442 let row_below = buffer_point.row + offset;
2443 if row_above != buffer_point.row && is_valid_row(row_above) {
2444 Some(row_above)
2445 } else if row_below <= max_row && is_valid_row(row_below) {
2446 Some(row_below)
2447 } else {
2448 None
2449 }
2450 })
2451 }?;
2452
2453 let new_display_row = snapshot
2454 .display_snapshot
2455 .point_to_display_point(
2456 Point {
2457 row: new_buffer_row,
2458 column: buffer_point.column,
2459 },
2460 text::Bias::Left,
2461 )
2462 .row();
2463
2464 let start_y = content_origin.y
2465 + (((new_display_row.as_f64() - scroll_position.y) as f32) * line_height)
2466 + (line_height / 2.0)
2467 - (icon_size.square(window, cx) / 2.);
2468 let start_x = (ScrollPixelOffset::from(content_origin.x) - scroll_pixel_position.x
2469 + ScrollPixelOffset::from(window.rem_size() * 0.1))
2470 .into();
2471
2472 let absolute_offset = gpui::point(start_x, start_y);
2473 button.layout_as_root(gpui::AvailableSpace::min_size(), window, cx);
2474 button.prepaint_as_root(
2475 absolute_offset,
2476 gpui::AvailableSpace::min_size(),
2477 window,
2478 cx,
2479 );
2480 Some(button)
2481 }
2482
2483 fn layout_inline_blame(
2484 &self,
2485 display_row: DisplayRow,
2486 row_info: &RowInfo,
2487 line_layout: &LineWithInvisibles,
2488 crease_trailer: Option<&CreaseTrailerLayout>,
2489 em_width: Pixels,
2490 content_origin: gpui::Point<Pixels>,
2491 scroll_position: gpui::Point<ScrollOffset>,
2492 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2493 line_height: Pixels,
2494 text_hitbox: &Hitbox,
2495 window: &mut Window,
2496 cx: &mut App,
2497 ) -> Option<InlineBlameLayout> {
2498 if !self
2499 .editor
2500 .update(cx, |editor, cx| editor.render_git_blame_inline(window, cx))
2501 {
2502 return None;
2503 }
2504
2505 let editor = self.editor.read(cx);
2506 let blame = editor.blame.clone()?;
2507 let padding = {
2508 const INLINE_ACCEPT_SUGGESTION_EM_WIDTHS: f32 = 14.;
2509
2510 let mut padding = ProjectSettings::get_global(cx).git.inline_blame.padding as f32;
2511
2512 if let Some(edit_prediction) = editor.active_edit_prediction.as_ref()
2513 && let EditPrediction::Edit {
2514 display_mode: EditDisplayMode::TabAccept,
2515 ..
2516 } = &edit_prediction.completion
2517 {
2518 padding += INLINE_ACCEPT_SUGGESTION_EM_WIDTHS
2519 }
2520
2521 padding * em_width
2522 };
2523
2524 let (buffer_id, entry) = blame
2525 .update(cx, |blame, cx| {
2526 blame.blame_for_rows(&[*row_info], cx).next()
2527 })
2528 .flatten()?;
2529
2530 let mut element = render_inline_blame_entry(entry.clone(), &self.style, cx)?;
2531
2532 let start_y =
2533 content_origin.y + line_height * ((display_row.as_f64() - scroll_position.y) as f32);
2534
2535 let start_x = {
2536 let line_end = if let Some(crease_trailer) = crease_trailer {
2537 crease_trailer.bounds.right()
2538 } else {
2539 Pixels::from(
2540 ScrollPixelOffset::from(content_origin.x + line_layout.width)
2541 - scroll_pixel_position.x,
2542 )
2543 };
2544
2545 let padded_line_end = line_end + padding;
2546
2547 let min_column_in_pixels = self.column_pixels(
2548 ProjectSettings::get_global(cx).git.inline_blame.min_column as usize,
2549 window,
2550 );
2551 let min_start = Pixels::from(
2552 ScrollPixelOffset::from(content_origin.x + min_column_in_pixels)
2553 - scroll_pixel_position.x,
2554 );
2555
2556 cmp::max(padded_line_end, min_start)
2557 };
2558
2559 let absolute_offset = point(start_x, start_y);
2560 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2561 let bounds = Bounds::new(absolute_offset, size);
2562
2563 self.layout_blame_entry_popover(
2564 entry.clone(),
2565 blame,
2566 line_height,
2567 text_hitbox,
2568 row_info.buffer_id?,
2569 window,
2570 cx,
2571 );
2572
2573 element.prepaint_as_root(absolute_offset, AvailableSpace::min_size(), window, cx);
2574
2575 Some(InlineBlameLayout {
2576 element,
2577 bounds,
2578 buffer_id,
2579 entry,
2580 })
2581 }
2582
2583 fn layout_blame_entry_popover(
2584 &self,
2585 blame_entry: BlameEntry,
2586 blame: Entity<GitBlame>,
2587 line_height: Pixels,
2588 text_hitbox: &Hitbox,
2589 buffer: BufferId,
2590 window: &mut Window,
2591 cx: &mut App,
2592 ) {
2593 let Some((popover_state, target_point)) = self.editor.read_with(cx, |editor, _| {
2594 editor
2595 .inline_blame_popover
2596 .as_ref()
2597 .map(|state| (state.popover_state.clone(), state.position))
2598 }) else {
2599 return;
2600 };
2601
2602 let workspace = self
2603 .editor
2604 .read_with(cx, |editor, _| editor.workspace().map(|w| w.downgrade()));
2605
2606 let maybe_element = workspace.and_then(|workspace| {
2607 render_blame_entry_popover(
2608 blame_entry,
2609 popover_state.scroll_handle,
2610 popover_state.commit_message,
2611 popover_state.markdown,
2612 workspace,
2613 &blame,
2614 buffer,
2615 window,
2616 cx,
2617 )
2618 });
2619
2620 if let Some(mut element) = maybe_element {
2621 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2622 let overall_height = size.height + HOVER_POPOVER_GAP;
2623 let popover_origin = if target_point.y > overall_height {
2624 point(target_point.x, target_point.y - size.height)
2625 } else {
2626 point(
2627 target_point.x,
2628 target_point.y + line_height + HOVER_POPOVER_GAP,
2629 )
2630 };
2631
2632 let horizontal_offset = (text_hitbox.top_right().x
2633 - POPOVER_RIGHT_OFFSET
2634 - (popover_origin.x + size.width))
2635 .min(Pixels::ZERO);
2636
2637 let origin = point(popover_origin.x + horizontal_offset, popover_origin.y);
2638 let popover_bounds = Bounds::new(origin, size);
2639
2640 self.editor.update(cx, |editor, _| {
2641 if let Some(state) = &mut editor.inline_blame_popover {
2642 state.popover_bounds = Some(popover_bounds);
2643 }
2644 });
2645
2646 window.defer_draw(element, origin, 2);
2647 }
2648 }
2649
2650 fn layout_blame_entries(
2651 &self,
2652 buffer_rows: &[RowInfo],
2653 em_width: Pixels,
2654 scroll_position: gpui::Point<ScrollOffset>,
2655 line_height: Pixels,
2656 gutter_hitbox: &Hitbox,
2657 max_width: Option<Pixels>,
2658 window: &mut Window,
2659 cx: &mut App,
2660 ) -> Option<Vec<AnyElement>> {
2661 if !self
2662 .editor
2663 .update(cx, |editor, cx| editor.render_git_blame_gutter(cx))
2664 {
2665 return None;
2666 }
2667
2668 let blame = self.editor.read(cx).blame.clone()?;
2669 let workspace = self.editor.read(cx).workspace()?;
2670 let blamed_rows: Vec<_> = blame.update(cx, |blame, cx| {
2671 blame.blame_for_rows(buffer_rows, cx).collect()
2672 });
2673
2674 let width = if let Some(max_width) = max_width {
2675 AvailableSpace::Definite(max_width)
2676 } else {
2677 AvailableSpace::MaxContent
2678 };
2679 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
2680 let start_x = em_width;
2681
2682 let mut last_used_color: Option<(Hsla, Oid)> = None;
2683 let blame_renderer = cx.global::<GlobalBlameRenderer>().0.clone();
2684
2685 let shaped_lines = blamed_rows
2686 .into_iter()
2687 .enumerate()
2688 .flat_map(|(ix, blame_entry)| {
2689 let (buffer_id, blame_entry) = blame_entry?;
2690 let mut element = render_blame_entry(
2691 ix,
2692 &blame,
2693 blame_entry,
2694 &self.style,
2695 &mut last_used_color,
2696 self.editor.clone(),
2697 workspace.clone(),
2698 buffer_id,
2699 &*blame_renderer,
2700 window,
2701 cx,
2702 )?;
2703
2704 let start_y = ix as f32 * line_height
2705 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height));
2706 let absolute_offset = gutter_hitbox.origin + point(start_x, start_y);
2707
2708 element.prepaint_as_root(
2709 absolute_offset,
2710 size(width, AvailableSpace::MinContent),
2711 window,
2712 cx,
2713 );
2714
2715 Some(element)
2716 })
2717 .collect();
2718
2719 Some(shaped_lines)
2720 }
2721
2722 fn layout_indent_guides(
2723 &self,
2724 content_origin: gpui::Point<Pixels>,
2725 text_origin: gpui::Point<Pixels>,
2726 visible_buffer_range: Range<MultiBufferRow>,
2727 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2728 line_height: Pixels,
2729 snapshot: &DisplaySnapshot,
2730 window: &mut Window,
2731 cx: &mut App,
2732 ) -> Option<Vec<IndentGuideLayout>> {
2733 let indent_guides = self.editor.update(cx, |editor, cx| {
2734 editor.indent_guides(visible_buffer_range, snapshot, cx)
2735 })?;
2736
2737 let active_indent_guide_indices = self.editor.update(cx, |editor, cx| {
2738 editor
2739 .find_active_indent_guide_indices(&indent_guides, snapshot, window, cx)
2740 .unwrap_or_default()
2741 });
2742
2743 Some(
2744 indent_guides
2745 .into_iter()
2746 .enumerate()
2747 .filter_map(|(i, indent_guide)| {
2748 let single_indent_width =
2749 self.column_pixels(indent_guide.tab_size as usize, window);
2750 let total_width = single_indent_width * indent_guide.depth as f32;
2751 let start_x = Pixels::from(
2752 ScrollOffset::from(content_origin.x + total_width)
2753 - scroll_pixel_position.x,
2754 );
2755 if start_x >= text_origin.x {
2756 let (offset_y, length) = Self::calculate_indent_guide_bounds(
2757 indent_guide.start_row..indent_guide.end_row,
2758 line_height,
2759 snapshot,
2760 );
2761
2762 let start_y = Pixels::from(
2763 ScrollOffset::from(content_origin.y) + offset_y
2764 - scroll_pixel_position.y,
2765 );
2766
2767 Some(IndentGuideLayout {
2768 origin: point(start_x, start_y),
2769 length,
2770 single_indent_width,
2771 depth: indent_guide.depth,
2772 active: active_indent_guide_indices.contains(&i),
2773 settings: indent_guide.settings,
2774 })
2775 } else {
2776 None
2777 }
2778 })
2779 .collect(),
2780 )
2781 }
2782
2783 fn layout_wrap_guides(
2784 &self,
2785 em_advance: Pixels,
2786 scroll_position: gpui::Point<f64>,
2787 content_origin: gpui::Point<Pixels>,
2788 scrollbar_layout: Option<&EditorScrollbars>,
2789 vertical_scrollbar_width: Pixels,
2790 hitbox: &Hitbox,
2791 window: &Window,
2792 cx: &App,
2793 ) -> SmallVec<[(Pixels, bool); 2]> {
2794 let scroll_left = scroll_position.x as f32 * em_advance;
2795 let content_origin = content_origin.x;
2796 let horizontal_offset = content_origin - scroll_left;
2797 let vertical_scrollbar_width = scrollbar_layout
2798 .and_then(|layout| layout.visible.then_some(vertical_scrollbar_width))
2799 .unwrap_or_default();
2800
2801 self.editor
2802 .read(cx)
2803 .wrap_guides(cx)
2804 .into_iter()
2805 .flat_map(|(guide, active)| {
2806 let wrap_position = self.column_pixels(guide, window);
2807 let wrap_guide_x = wrap_position + horizontal_offset;
2808 let display_wrap_guide = wrap_guide_x >= content_origin
2809 && wrap_guide_x <= hitbox.bounds.right() - vertical_scrollbar_width;
2810
2811 display_wrap_guide.then_some((wrap_guide_x, active))
2812 })
2813 .collect()
2814 }
2815
2816 fn calculate_indent_guide_bounds(
2817 row_range: Range<MultiBufferRow>,
2818 line_height: Pixels,
2819 snapshot: &DisplaySnapshot,
2820 ) -> (f64, gpui::Pixels) {
2821 let start_point = Point::new(row_range.start.0, 0);
2822 let end_point = Point::new(row_range.end.0, 0);
2823
2824 let row_range = start_point.to_display_point(snapshot).row()
2825 ..end_point.to_display_point(snapshot).row();
2826
2827 let mut prev_line = start_point;
2828 prev_line.row = prev_line.row.saturating_sub(1);
2829 let prev_line = prev_line.to_display_point(snapshot).row();
2830
2831 let mut cons_line = end_point;
2832 cons_line.row += 1;
2833 let cons_line = cons_line.to_display_point(snapshot).row();
2834
2835 let mut offset_y = row_range.start.as_f64() * f64::from(line_height);
2836 let mut length = (cons_line.0.saturating_sub(row_range.start.0)) as f32 * line_height;
2837
2838 // If we are at the end of the buffer, ensure that the indent guide extends to the end of the line.
2839 if row_range.end == cons_line {
2840 length += line_height;
2841 }
2842
2843 // If there is a block (e.g. diagnostic) in between the start of the indent guide and the line above,
2844 // we want to extend the indent guide to the start of the block.
2845 let mut block_height = 0;
2846 let mut block_offset = 0;
2847 let mut found_excerpt_header = false;
2848 for (_, block) in snapshot.blocks_in_range(prev_line..row_range.start) {
2849 if matches!(
2850 block,
2851 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
2852 ) {
2853 found_excerpt_header = true;
2854 break;
2855 }
2856 block_offset += block.height();
2857 block_height += block.height();
2858 }
2859 if !found_excerpt_header {
2860 offset_y -= block_offset as f64 * f64::from(line_height);
2861 length += block_height as f32 * line_height;
2862 }
2863
2864 // If there is a block (e.g. diagnostic) at the end of an multibuffer excerpt,
2865 // we want to ensure that the indent guide stops before the excerpt header.
2866 let mut block_height = 0;
2867 let mut found_excerpt_header = false;
2868 for (_, block) in snapshot.blocks_in_range(row_range.end..cons_line) {
2869 if matches!(
2870 block,
2871 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
2872 ) {
2873 found_excerpt_header = true;
2874 }
2875 block_height += block.height();
2876 }
2877 if found_excerpt_header {
2878 length -= block_height as f32 * line_height;
2879 }
2880
2881 (offset_y, length)
2882 }
2883
2884 fn layout_breakpoints(
2885 &self,
2886 line_height: Pixels,
2887 range: Range<DisplayRow>,
2888 scroll_position: gpui::Point<ScrollOffset>,
2889 gutter_dimensions: &GutterDimensions,
2890 gutter_hitbox: &Hitbox,
2891 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2892 snapshot: &EditorSnapshot,
2893 breakpoints: HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2894 row_infos: &[RowInfo],
2895 window: &mut Window,
2896 cx: &mut App,
2897 ) -> Vec<AnyElement> {
2898 self.editor.update(cx, |editor, cx| {
2899 breakpoints
2900 .into_iter()
2901 .filter_map(|(display_row, (text_anchor, bp, state))| {
2902 if row_infos
2903 .get((display_row.0.saturating_sub(range.start.0)) as usize)
2904 .is_some_and(|row_info| {
2905 row_info.expand_info.is_some()
2906 || row_info
2907 .diff_status
2908 .is_some_and(|status| status.is_deleted())
2909 })
2910 {
2911 return None;
2912 }
2913
2914 if range.start > display_row || range.end < display_row {
2915 return None;
2916 }
2917
2918 let row =
2919 MultiBufferRow(DisplayPoint::new(display_row, 0).to_point(snapshot).row);
2920 if snapshot.is_line_folded(row) {
2921 return None;
2922 }
2923
2924 let button = editor.render_breakpoint(text_anchor, display_row, &bp, state, cx);
2925
2926 let button = prepaint_gutter_button(
2927 button,
2928 display_row,
2929 line_height,
2930 gutter_dimensions,
2931 scroll_position,
2932 gutter_hitbox,
2933 display_hunks,
2934 window,
2935 cx,
2936 );
2937 Some(button)
2938 })
2939 .collect_vec()
2940 })
2941 }
2942
2943 #[allow(clippy::too_many_arguments)]
2944 fn layout_run_indicators(
2945 &self,
2946 line_height: Pixels,
2947 range: Range<DisplayRow>,
2948 row_infos: &[RowInfo],
2949 scroll_position: gpui::Point<ScrollOffset>,
2950 gutter_dimensions: &GutterDimensions,
2951 gutter_hitbox: &Hitbox,
2952 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2953 snapshot: &EditorSnapshot,
2954 breakpoints: &mut HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2955 window: &mut Window,
2956 cx: &mut App,
2957 ) -> Vec<AnyElement> {
2958 self.editor.update(cx, |editor, cx| {
2959 let active_task_indicator_row =
2960 // TODO: add edit button on the right side of each row in the context menu
2961 if let Some(crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2962 deployed_from,
2963 actions,
2964 ..
2965 })) = editor.context_menu.borrow().as_ref()
2966 {
2967 actions
2968 .tasks()
2969 .map(|tasks| tasks.position.to_display_point(snapshot).row())
2970 .or_else(|| match deployed_from {
2971 Some(CodeActionSource::Indicator(row)) => Some(*row),
2972 _ => None,
2973 })
2974 } else {
2975 None
2976 };
2977
2978 let offset_range_start =
2979 snapshot.display_point_to_point(DisplayPoint::new(range.start, 0), Bias::Left);
2980
2981 let offset_range_end =
2982 snapshot.display_point_to_point(DisplayPoint::new(range.end, 0), Bias::Right);
2983
2984 editor
2985 .tasks
2986 .iter()
2987 .filter_map(|(_, tasks)| {
2988 let multibuffer_point = tasks.offset.to_point(&snapshot.buffer_snapshot());
2989 if multibuffer_point < offset_range_start
2990 || multibuffer_point > offset_range_end
2991 {
2992 return None;
2993 }
2994 let multibuffer_row = MultiBufferRow(multibuffer_point.row);
2995 let buffer_folded = snapshot
2996 .buffer_snapshot()
2997 .buffer_line_for_row(multibuffer_row)
2998 .map(|(buffer_snapshot, _)| buffer_snapshot.remote_id())
2999 .map(|buffer_id| editor.is_buffer_folded(buffer_id, cx))
3000 .unwrap_or(false);
3001 if buffer_folded {
3002 return None;
3003 }
3004
3005 if snapshot.is_line_folded(multibuffer_row) {
3006 // Skip folded indicators, unless it's the starting line of a fold.
3007 if multibuffer_row
3008 .0
3009 .checked_sub(1)
3010 .is_some_and(|previous_row| {
3011 snapshot.is_line_folded(MultiBufferRow(previous_row))
3012 })
3013 {
3014 return None;
3015 }
3016 }
3017
3018 let display_row = multibuffer_point.to_display_point(snapshot).row();
3019 if !range.contains(&display_row) {
3020 return None;
3021 }
3022 if row_infos
3023 .get((display_row - range.start).0 as usize)
3024 .is_some_and(|row_info| row_info.expand_info.is_some())
3025 {
3026 return None;
3027 }
3028
3029 let button = editor.render_run_indicator(
3030 &self.style,
3031 Some(display_row) == active_task_indicator_row,
3032 display_row,
3033 breakpoints.remove(&display_row),
3034 cx,
3035 );
3036
3037 let button = prepaint_gutter_button(
3038 button,
3039 display_row,
3040 line_height,
3041 gutter_dimensions,
3042 scroll_position,
3043 gutter_hitbox,
3044 display_hunks,
3045 window,
3046 cx,
3047 );
3048 Some(button)
3049 })
3050 .collect_vec()
3051 })
3052 }
3053
3054 fn layout_expand_toggles(
3055 &self,
3056 gutter_hitbox: &Hitbox,
3057 gutter_dimensions: GutterDimensions,
3058 em_width: Pixels,
3059 line_height: Pixels,
3060 scroll_position: gpui::Point<ScrollOffset>,
3061 buffer_rows: &[RowInfo],
3062 window: &mut Window,
3063 cx: &mut App,
3064 ) -> Vec<Option<(AnyElement, gpui::Point<Pixels>)>> {
3065 if self.editor.read(cx).disable_expand_excerpt_buttons {
3066 return vec![];
3067 }
3068
3069 let editor_font_size = self.style.text.font_size.to_pixels(window.rem_size()) * 1.2;
3070
3071 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
3072
3073 let max_line_number_length = self
3074 .editor
3075 .read(cx)
3076 .buffer()
3077 .read(cx)
3078 .snapshot(cx)
3079 .widest_line_number()
3080 .ilog10()
3081 + 1;
3082
3083 let git_gutter_width = Self::gutter_strip_width(line_height)
3084 + gutter_dimensions
3085 .git_blame_entries_width
3086 .unwrap_or_default();
3087 let available_width = gutter_dimensions.left_padding - git_gutter_width;
3088
3089 buffer_rows
3090 .iter()
3091 .enumerate()
3092 .map(|(ix, row_info)| {
3093 let ExpandInfo {
3094 excerpt_id,
3095 direction,
3096 } = row_info.expand_info?;
3097
3098 let icon_name = match direction {
3099 ExpandExcerptDirection::Up => IconName::ExpandUp,
3100 ExpandExcerptDirection::Down => IconName::ExpandDown,
3101 ExpandExcerptDirection::UpAndDown => IconName::ExpandVertical,
3102 };
3103
3104 let editor = self.editor.clone();
3105 let is_wide = max_line_number_length
3106 >= EditorSettings::get_global(cx).gutter.min_line_number_digits as u32
3107 && row_info
3108 .buffer_row
3109 .is_some_and(|row| (row + 1).ilog10() + 1 == max_line_number_length)
3110 || gutter_dimensions.right_padding == px(0.);
3111
3112 let width = if is_wide {
3113 available_width - px(2.)
3114 } else {
3115 available_width + em_width - px(2.)
3116 };
3117
3118 let toggle = IconButton::new(("expand", ix), icon_name)
3119 .icon_color(Color::Custom(cx.theme().colors().editor_line_number))
3120 .selected_icon_color(Color::Custom(cx.theme().colors().editor_foreground))
3121 .icon_size(IconSize::Custom(rems(editor_font_size / window.rem_size())))
3122 .width(width)
3123 .on_click(move |_, window, cx| {
3124 editor.update(cx, |editor, cx| {
3125 editor.expand_excerpt(excerpt_id, direction, window, cx);
3126 });
3127 })
3128 .tooltip(Tooltip::for_action_title(
3129 "Expand Excerpt",
3130 &crate::actions::ExpandExcerpts::default(),
3131 ))
3132 .into_any_element();
3133
3134 let position = point(
3135 git_gutter_width + px(1.),
3136 ix as f32 * line_height
3137 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height))
3138 + px(1.),
3139 );
3140 let origin = gutter_hitbox.origin + position;
3141
3142 Some((toggle, origin))
3143 })
3144 .collect()
3145 }
3146
3147 fn calculate_relative_line_numbers(
3148 &self,
3149 snapshot: &EditorSnapshot,
3150 rows: &Range<DisplayRow>,
3151 relative_to: Option<DisplayRow>,
3152 use_display_offset: bool,
3153 ) -> HashMap<DisplayRow, DisplayRowDelta> {
3154 let mut relative_rows: HashMap<DisplayRow, DisplayRowDelta> = Default::default();
3155 let Some(relative_to) = relative_to else {
3156 return relative_rows;
3157 };
3158
3159 let start = rows.start.min(relative_to);
3160 let end = rows.end.max(relative_to);
3161
3162 // todo!() can we pass this in?
3163 let buffer_rows = snapshot
3164 .row_infos(start)
3165 .take(1 + end.minus(start) as usize)
3166 .collect::<Vec<_>>();
3167
3168 let head_idx = relative_to.minus(start);
3169 let mut delta = 1;
3170 let mut i = head_idx + 1;
3171 let should_count_line = |row_info: &RowInfo| {
3172 if use_display_offset {
3173 row_info.buffer_row.is_some()
3174 } else {
3175 row_info.buffer_row.is_some() && !row_info.wrapped
3176 }
3177 };
3178 while i < buffer_rows.len() as u32 {
3179 if should_count_line(&buffer_rows[i as usize]) {
3180 if rows.contains(&DisplayRow(i + start.0)) {
3181 relative_rows.insert(DisplayRow(i + start.0), delta);
3182 }
3183 delta += 1;
3184 }
3185 i += 1;
3186 }
3187 delta = 1;
3188 i = head_idx.min(buffer_rows.len() as u32 - 1);
3189 while i > 0 && buffer_rows[i as usize].buffer_row.is_none() && !use_display_offset {
3190 i -= 1;
3191 }
3192
3193 while i > 0 {
3194 i -= 1;
3195 if should_count_line(&buffer_rows[i as usize]) {
3196 if rows.contains(&DisplayRow(i + start.0)) {
3197 relative_rows.insert(DisplayRow(i + start.0), delta);
3198 }
3199 delta += 1;
3200 }
3201 }
3202
3203 relative_rows
3204 }
3205
3206 fn layout_line_numbers(
3207 &self,
3208 gutter_hitbox: Option<&Hitbox>,
3209 gutter_dimensions: GutterDimensions,
3210 line_height: Pixels,
3211 scroll_position: gpui::Point<ScrollOffset>,
3212 rows: Range<DisplayRow>,
3213 buffer_rows: &[RowInfo],
3214 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3215 newest_selection_head: Option<DisplayPoint>,
3216 snapshot: &EditorSnapshot,
3217 window: &mut Window,
3218 cx: &mut App,
3219 ) -> Arc<HashMap<MultiBufferRow, LineNumberLayout>> {
3220 let include_line_numbers = snapshot
3221 .show_line_numbers
3222 .unwrap_or_else(|| EditorSettings::get_global(cx).gutter.line_numbers);
3223 if !include_line_numbers {
3224 return Arc::default();
3225 }
3226
3227 let (newest_selection_head, is_relative, use_relative_for_wrapped_lines) =
3228 self.editor.update(cx, |editor, cx| {
3229 let newest_selection_head = newest_selection_head.unwrap_or_else(|| {
3230 let newest = editor
3231 .selections
3232 .newest::<Point>(&editor.display_snapshot(cx));
3233 SelectionLayout::new(
3234 newest,
3235 editor.selections.line_mode(),
3236 editor.cursor_shape,
3237 &snapshot.display_snapshot,
3238 true,
3239 true,
3240 None,
3241 )
3242 .head
3243 });
3244 let is_relative = editor.should_use_relative_line_numbers(cx);
3245 let use_relative_for_wrapped_lines = is_relative
3246 && EditorSettings::get_global(cx).relative_line_numbers_for_wrapped_lines;
3247 (
3248 newest_selection_head,
3249 is_relative,
3250 use_relative_for_wrapped_lines,
3251 )
3252 });
3253
3254 let relative_to = if is_relative {
3255 Some(newest_selection_head.row())
3256 } else {
3257 None
3258 };
3259 let relative_rows = self.calculate_relative_line_numbers(
3260 snapshot,
3261 &rows,
3262 relative_to,
3263 use_relative_for_wrapped_lines,
3264 );
3265 let mut line_number = String::new();
3266 let segments = buffer_rows.iter().enumerate().flat_map(|(ix, row_info)| {
3267 let display_row = DisplayRow(rows.start.0 + ix as u32);
3268 line_number.clear();
3269 let non_relative_number = row_info.buffer_row? + 1;
3270 let number = relative_rows
3271 .get(&display_row)
3272 .unwrap_or(&non_relative_number);
3273 write!(&mut line_number, "{number}").unwrap();
3274 if row_info
3275 .diff_status
3276 .is_some_and(|status| status.is_deleted())
3277 {
3278 return None;
3279 }
3280
3281 let color = active_rows
3282 .get(&display_row)
3283 .map(|spec| {
3284 if spec.breakpoint {
3285 cx.theme().colors().debugger_accent
3286 } else {
3287 cx.theme().colors().editor_active_line_number
3288 }
3289 })
3290 .unwrap_or_else(|| cx.theme().colors().editor_line_number);
3291 let shaped_line =
3292 self.shape_line_number(SharedString::from(&line_number), color, window);
3293 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
3294 let line_origin = gutter_hitbox.map(|hitbox| {
3295 hitbox.origin
3296 + point(
3297 hitbox.size.width - shaped_line.width - gutter_dimensions.right_padding,
3298 ix as f32 * line_height
3299 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height)),
3300 )
3301 });
3302
3303 #[cfg(not(test))]
3304 let hitbox = line_origin.map(|line_origin| {
3305 window.insert_hitbox(
3306 Bounds::new(line_origin, size(shaped_line.width, line_height)),
3307 HitboxBehavior::Normal,
3308 )
3309 });
3310 #[cfg(test)]
3311 let hitbox = {
3312 let _ = line_origin;
3313 None
3314 };
3315
3316 let segment = LineNumberSegment {
3317 shaped_line,
3318 hitbox,
3319 };
3320
3321 let buffer_row = DisplayPoint::new(display_row, 0).to_point(snapshot).row;
3322 let multi_buffer_row = MultiBufferRow(buffer_row);
3323
3324 Some((multi_buffer_row, segment))
3325 });
3326
3327 let mut line_numbers: HashMap<MultiBufferRow, LineNumberLayout> = HashMap::default();
3328 for (buffer_row, segment) in segments {
3329 line_numbers
3330 .entry(buffer_row)
3331 .or_insert_with(|| LineNumberLayout {
3332 segments: Vec::new(),
3333 })
3334 .segments
3335 .push(segment);
3336 }
3337 Arc::new(line_numbers)
3338 }
3339
3340 fn layout_crease_toggles(
3341 &self,
3342 rows: Range<DisplayRow>,
3343 row_infos: &[RowInfo],
3344 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3345 snapshot: &EditorSnapshot,
3346 window: &mut Window,
3347 cx: &mut App,
3348 ) -> Vec<Option<AnyElement>> {
3349 let include_fold_statuses = EditorSettings::get_global(cx).gutter.folds
3350 && snapshot.mode.is_full()
3351 && self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
3352 if include_fold_statuses {
3353 row_infos
3354 .iter()
3355 .enumerate()
3356 .map(|(ix, info)| {
3357 if info.expand_info.is_some() {
3358 return None;
3359 }
3360 let row = info.multibuffer_row?;
3361 let display_row = DisplayRow(rows.start.0 + ix as u32);
3362 let active = active_rows.contains_key(&display_row);
3363
3364 snapshot.render_crease_toggle(row, active, self.editor.clone(), window, cx)
3365 })
3366 .collect()
3367 } else {
3368 Vec::new()
3369 }
3370 }
3371
3372 fn layout_crease_trailers(
3373 &self,
3374 buffer_rows: impl IntoIterator<Item = RowInfo>,
3375 snapshot: &EditorSnapshot,
3376 window: &mut Window,
3377 cx: &mut App,
3378 ) -> Vec<Option<AnyElement>> {
3379 buffer_rows
3380 .into_iter()
3381 .map(|row_info| {
3382 if row_info.expand_info.is_some() {
3383 return None;
3384 }
3385 if let Some(row) = row_info.multibuffer_row {
3386 snapshot.render_crease_trailer(row, window, cx)
3387 } else {
3388 None
3389 }
3390 })
3391 .collect()
3392 }
3393
3394 fn bg_segments_per_row(
3395 rows: Range<DisplayRow>,
3396 selections: &[(PlayerColor, Vec<SelectionLayout>)],
3397 highlight_ranges: &[(Range<DisplayPoint>, Hsla)],
3398 base_background: Hsla,
3399 ) -> Vec<Vec<(Range<DisplayPoint>, Hsla)>> {
3400 if rows.start >= rows.end {
3401 return Vec::new();
3402 }
3403 if !base_background.is_opaque() {
3404 // We don't actually know what color is behind this editor.
3405 return Vec::new();
3406 }
3407 let highlight_iter = highlight_ranges.iter().cloned();
3408 let selection_iter = selections.iter().flat_map(|(player_color, layouts)| {
3409 let color = player_color.selection;
3410 layouts.iter().filter_map(move |selection_layout| {
3411 if selection_layout.range.start != selection_layout.range.end {
3412 Some((selection_layout.range.clone(), color))
3413 } else {
3414 None
3415 }
3416 })
3417 });
3418 let mut per_row_map = vec![Vec::new(); rows.len()];
3419 for (range, color) in highlight_iter.chain(selection_iter) {
3420 let covered_rows = if range.end.column() == 0 {
3421 cmp::max(range.start.row(), rows.start)..cmp::min(range.end.row(), rows.end)
3422 } else {
3423 cmp::max(range.start.row(), rows.start)
3424 ..cmp::min(range.end.row().next_row(), rows.end)
3425 };
3426 for row in covered_rows.iter_rows() {
3427 let seg_start = if row == range.start.row() {
3428 range.start
3429 } else {
3430 DisplayPoint::new(row, 0)
3431 };
3432 let seg_end = if row == range.end.row() && range.end.column() != 0 {
3433 range.end
3434 } else {
3435 DisplayPoint::new(row, u32::MAX)
3436 };
3437 let ix = row.minus(rows.start) as usize;
3438 debug_assert!(row >= rows.start && row < rows.end);
3439 debug_assert!(ix < per_row_map.len());
3440 per_row_map[ix].push((seg_start..seg_end, color));
3441 }
3442 }
3443 for row_segments in per_row_map.iter_mut() {
3444 if row_segments.is_empty() {
3445 continue;
3446 }
3447 let segments = mem::take(row_segments);
3448 let merged = Self::merge_overlapping_ranges(segments, base_background);
3449 *row_segments = merged;
3450 }
3451 per_row_map
3452 }
3453
3454 /// Merge overlapping ranges by splitting at all range boundaries and blending colors where
3455 /// multiple ranges overlap. The result contains non-overlapping ranges ordered from left to right.
3456 ///
3457 /// Expects `start.row() == end.row()` for each range.
3458 fn merge_overlapping_ranges(
3459 ranges: Vec<(Range<DisplayPoint>, Hsla)>,
3460 base_background: Hsla,
3461 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
3462 struct Boundary {
3463 pos: DisplayPoint,
3464 is_start: bool,
3465 index: usize,
3466 color: Hsla,
3467 }
3468
3469 let mut boundaries: SmallVec<[Boundary; 16]> = SmallVec::with_capacity(ranges.len() * 2);
3470 for (index, (range, color)) in ranges.iter().enumerate() {
3471 debug_assert!(
3472 range.start.row() == range.end.row(),
3473 "expects single-row ranges"
3474 );
3475 if range.start < range.end {
3476 boundaries.push(Boundary {
3477 pos: range.start,
3478 is_start: true,
3479 index,
3480 color: *color,
3481 });
3482 boundaries.push(Boundary {
3483 pos: range.end,
3484 is_start: false,
3485 index,
3486 color: *color,
3487 });
3488 }
3489 }
3490
3491 if boundaries.is_empty() {
3492 return Vec::new();
3493 }
3494
3495 boundaries
3496 .sort_unstable_by(|a, b| a.pos.cmp(&b.pos).then_with(|| a.is_start.cmp(&b.is_start)));
3497
3498 let mut processed_ranges: Vec<(Range<DisplayPoint>, Hsla)> = Vec::new();
3499 let mut active_ranges: SmallVec<[(usize, Hsla); 8]> = SmallVec::new();
3500
3501 let mut i = 0;
3502 let mut start_pos = boundaries[0].pos;
3503
3504 let boundaries_len = boundaries.len();
3505 while i < boundaries_len {
3506 let current_boundary_pos = boundaries[i].pos;
3507 if start_pos < current_boundary_pos {
3508 if !active_ranges.is_empty() {
3509 let mut color = base_background;
3510 for &(_, c) in &active_ranges {
3511 color = Hsla::blend(color, c);
3512 }
3513 if let Some((last_range, last_color)) = processed_ranges.last_mut() {
3514 if *last_color == color && last_range.end == start_pos {
3515 last_range.end = current_boundary_pos;
3516 } else {
3517 processed_ranges.push((start_pos..current_boundary_pos, color));
3518 }
3519 } else {
3520 processed_ranges.push((start_pos..current_boundary_pos, color));
3521 }
3522 }
3523 }
3524 while i < boundaries_len && boundaries[i].pos == current_boundary_pos {
3525 let active_range = &boundaries[i];
3526 if active_range.is_start {
3527 let idx = active_range.index;
3528 let pos = active_ranges
3529 .binary_search_by_key(&idx, |(i, _)| *i)
3530 .unwrap_or_else(|p| p);
3531 active_ranges.insert(pos, (idx, active_range.color));
3532 } else {
3533 let idx = active_range.index;
3534 if let Ok(pos) = active_ranges.binary_search_by_key(&idx, |(i, _)| *i) {
3535 active_ranges.remove(pos);
3536 }
3537 }
3538 i += 1;
3539 }
3540 start_pos = current_boundary_pos;
3541 }
3542
3543 processed_ranges
3544 }
3545
3546 fn layout_lines(
3547 rows: Range<DisplayRow>,
3548 snapshot: &EditorSnapshot,
3549 style: &EditorStyle,
3550 editor_width: Pixels,
3551 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3552 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
3553 window: &mut Window,
3554 cx: &mut App,
3555 ) -> Vec<LineWithInvisibles> {
3556 if rows.start >= rows.end {
3557 return Vec::new();
3558 }
3559
3560 // Show the placeholder when the editor is empty
3561 if snapshot.is_empty() {
3562 let font_size = style.text.font_size.to_pixels(window.rem_size());
3563 let placeholder_color = cx.theme().colors().text_placeholder;
3564 let placeholder_text = snapshot.placeholder_text();
3565
3566 let placeholder_lines = placeholder_text
3567 .as_ref()
3568 .map_or(Vec::new(), |text| text.split('\n').collect::<Vec<_>>());
3569
3570 let placeholder_line_count = placeholder_lines.len();
3571
3572 placeholder_lines
3573 .into_iter()
3574 .skip(rows.start.0 as usize)
3575 .chain(iter::repeat(""))
3576 .take(cmp::max(rows.len(), placeholder_line_count))
3577 .map(move |line| {
3578 let run = TextRun {
3579 len: line.len(),
3580 font: style.text.font(),
3581 color: placeholder_color,
3582 background_color: None,
3583 underline: None,
3584 strikethrough: None,
3585 };
3586 let line = window.text_system().shape_line(
3587 line.to_string().into(),
3588 font_size,
3589 &[run],
3590 None,
3591 );
3592 LineWithInvisibles {
3593 width: line.width,
3594 len: line.len,
3595 fragments: smallvec![LineFragment::Text(line)],
3596 invisibles: Vec::new(),
3597 font_size,
3598 }
3599 })
3600 .collect()
3601 } else {
3602 let chunks = snapshot.highlighted_chunks(rows.clone(), true, style);
3603 LineWithInvisibles::from_chunks(
3604 chunks,
3605 style,
3606 MAX_LINE_LEN,
3607 rows.len(),
3608 &snapshot.mode,
3609 editor_width,
3610 is_row_soft_wrapped,
3611 bg_segments_per_row,
3612 window,
3613 cx,
3614 )
3615 }
3616 }
3617
3618 fn prepaint_lines(
3619 &self,
3620 start_row: DisplayRow,
3621 line_layouts: &mut [LineWithInvisibles],
3622 line_height: Pixels,
3623 scroll_position: gpui::Point<ScrollOffset>,
3624 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
3625 content_origin: gpui::Point<Pixels>,
3626 window: &mut Window,
3627 cx: &mut App,
3628 ) -> SmallVec<[AnyElement; 1]> {
3629 let mut line_elements = SmallVec::new();
3630 for (ix, line) in line_layouts.iter_mut().enumerate() {
3631 let row = start_row + DisplayRow(ix as u32);
3632 line.prepaint(
3633 line_height,
3634 scroll_position,
3635 scroll_pixel_position,
3636 row,
3637 content_origin,
3638 &mut line_elements,
3639 window,
3640 cx,
3641 );
3642 }
3643 line_elements
3644 }
3645
3646 fn render_block(
3647 &self,
3648 block: &Block,
3649 available_width: AvailableSpace,
3650 block_id: BlockId,
3651 block_row_start: DisplayRow,
3652 snapshot: &EditorSnapshot,
3653 text_x: Pixels,
3654 rows: &Range<DisplayRow>,
3655 line_layouts: &[LineWithInvisibles],
3656 editor_margins: &EditorMargins,
3657 line_height: Pixels,
3658 em_width: Pixels,
3659 text_hitbox: &Hitbox,
3660 editor_width: Pixels,
3661 scroll_width: &mut Pixels,
3662 resized_blocks: &mut HashMap<CustomBlockId, u32>,
3663 row_block_types: &mut HashMap<DisplayRow, bool>,
3664 selections: &[Selection<Point>],
3665 selected_buffer_ids: &Vec<BufferId>,
3666 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3667 sticky_header_excerpt_id: Option<ExcerptId>,
3668 window: &mut Window,
3669 cx: &mut App,
3670 ) -> Option<(AnyElement, Size<Pixels>, DisplayRow, Pixels)> {
3671 let mut x_position = None;
3672 let mut element = match block {
3673 Block::Custom(custom) => {
3674 let block_start = custom.start().to_point(&snapshot.buffer_snapshot());
3675 let block_end = custom.end().to_point(&snapshot.buffer_snapshot());
3676 if block.place_near() && snapshot.is_line_folded(MultiBufferRow(block_start.row)) {
3677 return None;
3678 }
3679 let align_to = block_start.to_display_point(snapshot);
3680 let x_and_width = |layout: &LineWithInvisibles| {
3681 Some((
3682 text_x + layout.x_for_index(align_to.column() as usize),
3683 text_x + layout.width,
3684 ))
3685 };
3686 let line_ix = align_to.row().0.checked_sub(rows.start.0);
3687 x_position =
3688 if let Some(layout) = line_ix.and_then(|ix| line_layouts.get(ix as usize)) {
3689 x_and_width(layout)
3690 } else {
3691 x_and_width(&layout_line(
3692 align_to.row(),
3693 snapshot,
3694 &self.style,
3695 editor_width,
3696 is_row_soft_wrapped,
3697 window,
3698 cx,
3699 ))
3700 };
3701
3702 let anchor_x = x_position.unwrap().0;
3703
3704 let selected = selections
3705 .binary_search_by(|selection| {
3706 if selection.end <= block_start {
3707 Ordering::Less
3708 } else if selection.start >= block_end {
3709 Ordering::Greater
3710 } else {
3711 Ordering::Equal
3712 }
3713 })
3714 .is_ok();
3715
3716 div()
3717 .size_full()
3718 .child(custom.render(&mut BlockContext {
3719 window,
3720 app: cx,
3721 anchor_x,
3722 margins: editor_margins,
3723 line_height,
3724 em_width,
3725 block_id,
3726 selected,
3727 max_width: text_hitbox.size.width.max(*scroll_width),
3728 editor_style: &self.style,
3729 }))
3730 .into_any()
3731 }
3732
3733 Block::FoldedBuffer {
3734 first_excerpt,
3735 height,
3736 ..
3737 } => {
3738 let selected = selected_buffer_ids.contains(&first_excerpt.buffer_id);
3739 let result = v_flex().id(block_id).w_full().pr(editor_margins.right);
3740
3741 let jump_data = header_jump_data(snapshot, block_row_start, *height, first_excerpt);
3742 result
3743 .child(self.render_buffer_header(
3744 first_excerpt,
3745 true,
3746 selected,
3747 false,
3748 jump_data,
3749 window,
3750 cx,
3751 ))
3752 .into_any_element()
3753 }
3754
3755 Block::ExcerptBoundary { .. } => {
3756 let color = cx.theme().colors().clone();
3757 let mut result = v_flex().id(block_id).w_full();
3758
3759 result = result.child(
3760 h_flex().relative().child(
3761 div()
3762 .top(line_height / 2.)
3763 .absolute()
3764 .w_full()
3765 .h_px()
3766 .bg(color.border_variant),
3767 ),
3768 );
3769
3770 result.into_any()
3771 }
3772
3773 Block::BufferHeader { excerpt, height } => {
3774 let mut result = v_flex().id(block_id).w_full();
3775
3776 let jump_data = header_jump_data(snapshot, block_row_start, *height, excerpt);
3777
3778 if sticky_header_excerpt_id != Some(excerpt.id) {
3779 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
3780
3781 result = result.child(div().pr(editor_margins.right).child(
3782 self.render_buffer_header(
3783 excerpt, false, selected, false, jump_data, window, cx,
3784 ),
3785 ));
3786 } else {
3787 result =
3788 result.child(div().h(FILE_HEADER_HEIGHT as f32 * window.line_height()));
3789 }
3790
3791 result.into_any()
3792 }
3793 };
3794
3795 // Discover the element's content height, then round up to the nearest multiple of line height.
3796 let preliminary_size = element.layout_as_root(
3797 size(available_width, AvailableSpace::MinContent),
3798 window,
3799 cx,
3800 );
3801 let quantized_height = (preliminary_size.height / line_height).ceil() * line_height;
3802 let final_size = if preliminary_size.height == quantized_height {
3803 preliminary_size
3804 } else {
3805 element.layout_as_root(size(available_width, quantized_height.into()), window, cx)
3806 };
3807 let mut element_height_in_lines = ((final_size.height / line_height).ceil() as u32).max(1);
3808
3809 let mut row = block_row_start;
3810 let mut x_offset = px(0.);
3811 let mut is_block = true;
3812
3813 if let BlockId::Custom(custom_block_id) = block_id
3814 && block.has_height()
3815 {
3816 if block.place_near()
3817 && let Some((x_target, line_width)) = x_position
3818 {
3819 let margin = em_width * 2;
3820 if line_width + final_size.width + margin
3821 < editor_width + editor_margins.gutter.full_width()
3822 && !row_block_types.contains_key(&(row - 1))
3823 && element_height_in_lines == 1
3824 {
3825 x_offset = line_width + margin;
3826 row = row - 1;
3827 is_block = false;
3828 element_height_in_lines = 0;
3829 row_block_types.insert(row, is_block);
3830 } else {
3831 let max_offset =
3832 editor_width + editor_margins.gutter.full_width() - final_size.width;
3833 let min_offset = (x_target + em_width - final_size.width)
3834 .max(editor_margins.gutter.full_width());
3835 x_offset = x_target.min(max_offset).max(min_offset);
3836 }
3837 };
3838 if element_height_in_lines != block.height() {
3839 resized_blocks.insert(custom_block_id, element_height_in_lines);
3840 }
3841 }
3842 for i in 0..element_height_in_lines {
3843 row_block_types.insert(row + i, is_block);
3844 }
3845
3846 Some((element, final_size, row, x_offset))
3847 }
3848
3849 fn render_buffer_header(
3850 &self,
3851 for_excerpt: &ExcerptInfo,
3852 is_folded: bool,
3853 is_selected: bool,
3854 is_sticky: bool,
3855 jump_data: JumpData,
3856 window: &mut Window,
3857 cx: &mut App,
3858 ) -> impl IntoElement {
3859 let editor = self.editor.read(cx);
3860 let multi_buffer = editor.buffer.read(cx);
3861 let file_status = multi_buffer
3862 .all_diff_hunks_expanded()
3863 .then(|| {
3864 editor
3865 .project
3866 .as_ref()?
3867 .read(cx)
3868 .status_for_buffer_id(for_excerpt.buffer_id, cx)
3869 })
3870 .flatten();
3871 let indicator = multi_buffer
3872 .buffer(for_excerpt.buffer_id)
3873 .and_then(|buffer| {
3874 let buffer = buffer.read(cx);
3875 let indicator_color = match (buffer.has_conflict(), buffer.is_dirty()) {
3876 (true, _) => Some(Color::Warning),
3877 (_, true) => Some(Color::Accent),
3878 (false, false) => None,
3879 };
3880 indicator_color.map(|indicator_color| Indicator::dot().color(indicator_color))
3881 });
3882
3883 let include_root = editor
3884 .project
3885 .as_ref()
3886 .map(|project| project.read(cx).visible_worktrees(cx).count() > 1)
3887 .unwrap_or_default();
3888 let file = for_excerpt.buffer.file();
3889 let can_open_excerpts = Editor::can_open_excerpts_in_file(file);
3890 let path_style = file.map(|file| file.path_style(cx));
3891 let relative_path = for_excerpt.buffer.resolve_file_path(include_root, cx);
3892 let (parent_path, filename) = if let Some(path) = &relative_path {
3893 if let Some(path_style) = path_style {
3894 let (dir, file_name) = path_style.split(path);
3895 (dir.map(|dir| dir.to_owned()), Some(file_name.to_owned()))
3896 } else {
3897 (None, Some(path.clone()))
3898 }
3899 } else {
3900 (None, None)
3901 };
3902 let focus_handle = editor.focus_handle(cx);
3903 let colors = cx.theme().colors();
3904
3905 let header = div()
3906 .p_1()
3907 .w_full()
3908 .h(FILE_HEADER_HEIGHT as f32 * window.line_height())
3909 .child(
3910 h_flex()
3911 .size_full()
3912 .gap_2()
3913 .flex_basis(Length::Definite(DefiniteLength::Fraction(0.667)))
3914 .pl_0p5()
3915 .pr_5()
3916 .rounded_sm()
3917 .when(is_sticky, |el| el.shadow_md())
3918 .border_1()
3919 .map(|div| {
3920 let border_color = if is_selected
3921 && is_folded
3922 && focus_handle.contains_focused(window, cx)
3923 {
3924 colors.border_focused
3925 } else {
3926 colors.border
3927 };
3928 div.border_color(border_color)
3929 })
3930 .bg(colors.editor_subheader_background)
3931 .hover(|style| style.bg(colors.element_hover))
3932 .map(|header| {
3933 let editor = self.editor.clone();
3934 let buffer_id = for_excerpt.buffer_id;
3935 let toggle_chevron_icon =
3936 FileIcons::get_chevron_icon(!is_folded, cx).map(Icon::from_path);
3937 header.child(
3938 div()
3939 .hover(|style| style.bg(colors.element_selected))
3940 .rounded_xs()
3941 .child(
3942 ButtonLike::new("toggle-buffer-fold")
3943 .style(ui::ButtonStyle::Transparent)
3944 .height(px(28.).into())
3945 .width(px(28.))
3946 .children(toggle_chevron_icon)
3947 .tooltip({
3948 let focus_handle = focus_handle.clone();
3949 move |window, cx| {
3950 Tooltip::with_meta_in(
3951 "Toggle Excerpt Fold",
3952 Some(&ToggleFold),
3953 format!(
3954 "{} to toggle all",
3955 text_for_keystroke(
3956 &Modifiers::alt(),
3957 "click",
3958 cx
3959 )
3960 ),
3961 &focus_handle,
3962 window,
3963 cx,
3964 )
3965 }
3966 })
3967 .on_click(move |event, window, cx| {
3968 if event.modifiers().alt {
3969 // Alt+click toggles all buffers
3970 editor.update(cx, |editor, cx| {
3971 editor.toggle_fold_all(
3972 &ToggleFoldAll,
3973 window,
3974 cx,
3975 );
3976 });
3977 } else {
3978 // Regular click toggles single buffer
3979 if is_folded {
3980 editor.update(cx, |editor, cx| {
3981 editor.unfold_buffer(buffer_id, cx);
3982 });
3983 } else {
3984 editor.update(cx, |editor, cx| {
3985 editor.fold_buffer(buffer_id, cx);
3986 });
3987 }
3988 }
3989 }),
3990 ),
3991 )
3992 })
3993 .children(
3994 editor
3995 .addons
3996 .values()
3997 .filter_map(|addon| {
3998 addon.render_buffer_header_controls(for_excerpt, window, cx)
3999 })
4000 .take(1),
4001 )
4002 .child(h_flex().size(px(12.0)).justify_center().children(indicator))
4003 .child(
4004 h_flex()
4005 .cursor_pointer()
4006 .id("path header block")
4007 .size_full()
4008 .justify_between()
4009 .overflow_hidden()
4010 .child(
4011 h_flex()
4012 .gap_2()
4013 .map(|path_header| {
4014 let filename = filename
4015 .map(SharedString::from)
4016 .unwrap_or_else(|| "untitled".into());
4017
4018 path_header
4019 .when(ItemSettings::get_global(cx).file_icons, |el| {
4020 let path = path::Path::new(filename.as_str());
4021 let icon = FileIcons::get_icon(path, cx)
4022 .unwrap_or_default();
4023 let icon =
4024 Icon::from_path(icon).color(Color::Muted);
4025 el.child(icon)
4026 })
4027 .child(Label::new(filename).single_line().when_some(
4028 file_status,
4029 |el, status| {
4030 el.color(if status.is_conflicted() {
4031 Color::Conflict
4032 } else if status.is_modified() {
4033 Color::Modified
4034 } else if status.is_deleted() {
4035 Color::Disabled
4036 } else {
4037 Color::Created
4038 })
4039 .when(status.is_deleted(), |el| {
4040 el.strikethrough()
4041 })
4042 },
4043 ))
4044 })
4045 .when_some(parent_path, |then, path| {
4046 then.child(div().child(path).text_color(
4047 if file_status.is_some_and(FileStatus::is_deleted) {
4048 colors.text_disabled
4049 } else {
4050 colors.text_muted
4051 },
4052 ))
4053 }),
4054 )
4055 .when(
4056 can_open_excerpts && is_selected && relative_path.is_some(),
4057 |el| {
4058 el.child(
4059 h_flex()
4060 .id("jump-to-file-button")
4061 .gap_2p5()
4062 .child(Label::new("Jump To File"))
4063 .children(
4064 KeyBinding::for_action_in(
4065 &OpenExcerpts,
4066 &focus_handle,
4067 window,
4068 cx,
4069 )
4070 .map(|binding| binding.into_any_element()),
4071 ),
4072 )
4073 },
4074 )
4075 .on_mouse_down(MouseButton::Left, |_, _, cx| cx.stop_propagation())
4076 .on_click(window.listener_for(&self.editor, {
4077 move |editor, e: &ClickEvent, window, cx| {
4078 editor.open_excerpts_common(
4079 Some(jump_data.clone()),
4080 e.modifiers().secondary(),
4081 window,
4082 cx,
4083 );
4084 }
4085 })),
4086 ),
4087 );
4088
4089 let file = for_excerpt.buffer.file().cloned();
4090 let editor = self.editor.clone();
4091 right_click_menu("buffer-header-context-menu")
4092 .trigger(move |_, _, _| header)
4093 .menu(move |window, cx| {
4094 let menu_context = focus_handle.clone();
4095 let editor = editor.clone();
4096 let file = file.clone();
4097 ContextMenu::build(window, cx, move |mut menu, window, cx| {
4098 if let Some(file) = file
4099 && let Some(project) = editor.read(cx).project()
4100 && let Some(worktree) =
4101 project.read(cx).worktree_for_id(file.worktree_id(cx), cx)
4102 {
4103 let path_style = file.path_style(cx);
4104 let worktree = worktree.read(cx);
4105 let relative_path = file.path();
4106 let entry_for_path = worktree.entry_for_path(relative_path);
4107 let abs_path = entry_for_path.map(|e| {
4108 e.canonical_path.as_deref().map_or_else(
4109 || worktree.absolutize(relative_path),
4110 Path::to_path_buf,
4111 )
4112 });
4113 let has_relative_path = worktree.root_entry().is_some_and(Entry::is_dir);
4114
4115 let parent_abs_path = abs_path
4116 .as_ref()
4117 .and_then(|abs_path| Some(abs_path.parent()?.to_path_buf()));
4118 let relative_path = has_relative_path
4119 .then_some(relative_path)
4120 .map(ToOwned::to_owned);
4121
4122 let visible_in_project_panel =
4123 relative_path.is_some() && worktree.is_visible();
4124 let reveal_in_project_panel = entry_for_path
4125 .filter(|_| visible_in_project_panel)
4126 .map(|entry| entry.id);
4127 menu = menu
4128 .when_some(abs_path, |menu, abs_path| {
4129 menu.entry(
4130 "Copy Path",
4131 Some(Box::new(zed_actions::workspace::CopyPath)),
4132 window.handler_for(&editor, move |_, _, cx| {
4133 cx.write_to_clipboard(ClipboardItem::new_string(
4134 abs_path.to_string_lossy().into_owned(),
4135 ));
4136 }),
4137 )
4138 })
4139 .when_some(relative_path, |menu, relative_path| {
4140 menu.entry(
4141 "Copy Relative Path",
4142 Some(Box::new(zed_actions::workspace::CopyRelativePath)),
4143 window.handler_for(&editor, move |_, _, cx| {
4144 cx.write_to_clipboard(ClipboardItem::new_string(
4145 relative_path.display(path_style).to_string(),
4146 ));
4147 }),
4148 )
4149 })
4150 .when(
4151 reveal_in_project_panel.is_some() || parent_abs_path.is_some(),
4152 |menu| menu.separator(),
4153 )
4154 .when_some(reveal_in_project_panel, |menu, entry_id| {
4155 menu.entry(
4156 "Reveal In Project Panel",
4157 Some(Box::new(RevealInProjectPanel::default())),
4158 window.handler_for(&editor, move |editor, _, cx| {
4159 if let Some(project) = &mut editor.project {
4160 project.update(cx, |_, cx| {
4161 cx.emit(project::Event::RevealInProjectPanel(
4162 entry_id,
4163 ))
4164 });
4165 }
4166 }),
4167 )
4168 })
4169 .when_some(parent_abs_path, |menu, parent_abs_path| {
4170 menu.entry(
4171 "Open in Terminal",
4172 Some(Box::new(OpenInTerminal)),
4173 window.handler_for(&editor, move |_, window, cx| {
4174 window.dispatch_action(
4175 OpenTerminal {
4176 working_directory: parent_abs_path.clone(),
4177 }
4178 .boxed_clone(),
4179 cx,
4180 );
4181 }),
4182 )
4183 });
4184 }
4185
4186 menu.context(menu_context)
4187 })
4188 })
4189 }
4190
4191 fn render_blocks(
4192 &self,
4193 rows: Range<DisplayRow>,
4194 snapshot: &EditorSnapshot,
4195 hitbox: &Hitbox,
4196 text_hitbox: &Hitbox,
4197 editor_width: Pixels,
4198 scroll_width: &mut Pixels,
4199 editor_margins: &EditorMargins,
4200 em_width: Pixels,
4201 text_x: Pixels,
4202 line_height: Pixels,
4203 line_layouts: &mut [LineWithInvisibles],
4204 selections: &[Selection<Point>],
4205 selected_buffer_ids: &Vec<BufferId>,
4206 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
4207 sticky_header_excerpt_id: Option<ExcerptId>,
4208 window: &mut Window,
4209 cx: &mut App,
4210 ) -> Result<(Vec<BlockLayout>, HashMap<DisplayRow, bool>), HashMap<CustomBlockId, u32>> {
4211 let (fixed_blocks, non_fixed_blocks) = snapshot
4212 .blocks_in_range(rows.clone())
4213 .partition::<Vec<_>, _>(|(_, block)| block.style() == BlockStyle::Fixed);
4214
4215 let mut focused_block = self
4216 .editor
4217 .update(cx, |editor, _| editor.take_focused_block());
4218 let mut fixed_block_max_width = Pixels::ZERO;
4219 let mut blocks = Vec::new();
4220 let mut resized_blocks = HashMap::default();
4221 let mut row_block_types = HashMap::default();
4222
4223 for (row, block) in fixed_blocks {
4224 let block_id = block.id();
4225
4226 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4227 focused_block = None;
4228 }
4229
4230 if let Some((element, element_size, row, x_offset)) = self.render_block(
4231 block,
4232 AvailableSpace::MinContent,
4233 block_id,
4234 row,
4235 snapshot,
4236 text_x,
4237 &rows,
4238 line_layouts,
4239 editor_margins,
4240 line_height,
4241 em_width,
4242 text_hitbox,
4243 editor_width,
4244 scroll_width,
4245 &mut resized_blocks,
4246 &mut row_block_types,
4247 selections,
4248 selected_buffer_ids,
4249 is_row_soft_wrapped,
4250 sticky_header_excerpt_id,
4251 window,
4252 cx,
4253 ) {
4254 fixed_block_max_width = fixed_block_max_width.max(element_size.width + em_width);
4255 blocks.push(BlockLayout {
4256 id: block_id,
4257 x_offset,
4258 row: Some(row),
4259 element,
4260 available_space: size(AvailableSpace::MinContent, element_size.height.into()),
4261 style: BlockStyle::Fixed,
4262 overlaps_gutter: true,
4263 is_buffer_header: block.is_buffer_header(),
4264 });
4265 }
4266 }
4267
4268 for (row, block) in non_fixed_blocks {
4269 let style = block.style();
4270 let width = match (style, block.place_near()) {
4271 (_, true) => AvailableSpace::MinContent,
4272 (BlockStyle::Sticky, _) => hitbox.size.width.into(),
4273 (BlockStyle::Flex, _) => hitbox
4274 .size
4275 .width
4276 .max(fixed_block_max_width)
4277 .max(editor_margins.gutter.width + *scroll_width)
4278 .into(),
4279 (BlockStyle::Fixed, _) => unreachable!(),
4280 };
4281 let block_id = block.id();
4282
4283 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4284 focused_block = None;
4285 }
4286
4287 if let Some((element, element_size, row, x_offset)) = self.render_block(
4288 block,
4289 width,
4290 block_id,
4291 row,
4292 snapshot,
4293 text_x,
4294 &rows,
4295 line_layouts,
4296 editor_margins,
4297 line_height,
4298 em_width,
4299 text_hitbox,
4300 editor_width,
4301 scroll_width,
4302 &mut resized_blocks,
4303 &mut row_block_types,
4304 selections,
4305 selected_buffer_ids,
4306 is_row_soft_wrapped,
4307 sticky_header_excerpt_id,
4308 window,
4309 cx,
4310 ) {
4311 blocks.push(BlockLayout {
4312 id: block_id,
4313 x_offset,
4314 row: Some(row),
4315 element,
4316 available_space: size(width, element_size.height.into()),
4317 style,
4318 overlaps_gutter: !block.place_near(),
4319 is_buffer_header: block.is_buffer_header(),
4320 });
4321 }
4322 }
4323
4324 if let Some(focused_block) = focused_block
4325 && let Some(focus_handle) = focused_block.focus_handle.upgrade()
4326 && focus_handle.is_focused(window)
4327 && let Some(block) = snapshot.block_for_id(focused_block.id)
4328 {
4329 let style = block.style();
4330 let width = match style {
4331 BlockStyle::Fixed => AvailableSpace::MinContent,
4332 BlockStyle::Flex => AvailableSpace::Definite(
4333 hitbox
4334 .size
4335 .width
4336 .max(fixed_block_max_width)
4337 .max(editor_margins.gutter.width + *scroll_width),
4338 ),
4339 BlockStyle::Sticky => AvailableSpace::Definite(hitbox.size.width),
4340 };
4341
4342 if let Some((element, element_size, _, x_offset)) = self.render_block(
4343 &block,
4344 width,
4345 focused_block.id,
4346 rows.end,
4347 snapshot,
4348 text_x,
4349 &rows,
4350 line_layouts,
4351 editor_margins,
4352 line_height,
4353 em_width,
4354 text_hitbox,
4355 editor_width,
4356 scroll_width,
4357 &mut resized_blocks,
4358 &mut row_block_types,
4359 selections,
4360 selected_buffer_ids,
4361 is_row_soft_wrapped,
4362 sticky_header_excerpt_id,
4363 window,
4364 cx,
4365 ) {
4366 blocks.push(BlockLayout {
4367 id: block.id(),
4368 x_offset,
4369 row: None,
4370 element,
4371 available_space: size(width, element_size.height.into()),
4372 style,
4373 overlaps_gutter: true,
4374 is_buffer_header: block.is_buffer_header(),
4375 });
4376 }
4377 }
4378
4379 if resized_blocks.is_empty() {
4380 *scroll_width =
4381 (*scroll_width).max(fixed_block_max_width - editor_margins.gutter.width);
4382 Ok((blocks, row_block_types))
4383 } else {
4384 Err(resized_blocks)
4385 }
4386 }
4387
4388 fn layout_blocks(
4389 &self,
4390 blocks: &mut Vec<BlockLayout>,
4391 hitbox: &Hitbox,
4392 line_height: Pixels,
4393 scroll_position: gpui::Point<ScrollOffset>,
4394 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4395 window: &mut Window,
4396 cx: &mut App,
4397 ) {
4398 for block in blocks {
4399 let mut origin = if let Some(row) = block.row {
4400 hitbox.origin
4401 + point(
4402 block.x_offset,
4403 Pixels::from(
4404 (row.as_f64() - scroll_position.y)
4405 * ScrollPixelOffset::from(line_height),
4406 ),
4407 )
4408 } else {
4409 // Position the block outside the visible area
4410 hitbox.origin + point(Pixels::ZERO, hitbox.size.height)
4411 };
4412
4413 if !matches!(block.style, BlockStyle::Sticky) {
4414 origin += point(Pixels::from(-scroll_pixel_position.x), Pixels::ZERO);
4415 }
4416
4417 let focus_handle =
4418 block
4419 .element
4420 .prepaint_as_root(origin, block.available_space, window, cx);
4421
4422 if let Some(focus_handle) = focus_handle {
4423 self.editor.update(cx, |editor, _cx| {
4424 editor.set_focused_block(FocusedBlock {
4425 id: block.id,
4426 focus_handle: focus_handle.downgrade(),
4427 });
4428 });
4429 }
4430 }
4431 }
4432
4433 fn layout_sticky_buffer_header(
4434 &self,
4435 StickyHeaderExcerpt { excerpt }: StickyHeaderExcerpt<'_>,
4436 scroll_position: gpui::Point<ScrollOffset>,
4437 line_height: Pixels,
4438 right_margin: Pixels,
4439 snapshot: &EditorSnapshot,
4440 hitbox: &Hitbox,
4441 selected_buffer_ids: &Vec<BufferId>,
4442 blocks: &[BlockLayout],
4443 window: &mut Window,
4444 cx: &mut App,
4445 ) -> AnyElement {
4446 let jump_data = header_jump_data(
4447 snapshot,
4448 DisplayRow(scroll_position.y as u32),
4449 FILE_HEADER_HEIGHT + MULTI_BUFFER_EXCERPT_HEADER_HEIGHT,
4450 excerpt,
4451 );
4452
4453 let editor_bg_color = cx.theme().colors().editor_background;
4454
4455 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
4456
4457 let available_width = hitbox.bounds.size.width - right_margin;
4458
4459 let mut header = v_flex()
4460 .w_full()
4461 .relative()
4462 .child(
4463 div()
4464 .w(available_width)
4465 .h(FILE_HEADER_HEIGHT as f32 * line_height)
4466 .bg(linear_gradient(
4467 0.,
4468 linear_color_stop(editor_bg_color.opacity(0.), 0.),
4469 linear_color_stop(editor_bg_color, 0.6),
4470 ))
4471 .absolute()
4472 .top_0(),
4473 )
4474 .child(
4475 self.render_buffer_header(excerpt, false, selected, true, jump_data, window, cx)
4476 .into_any_element(),
4477 )
4478 .into_any_element();
4479
4480 let mut origin = hitbox.origin;
4481 // Move floating header up to avoid colliding with the next buffer header.
4482 for block in blocks.iter() {
4483 if !block.is_buffer_header {
4484 continue;
4485 }
4486
4487 let Some(display_row) = block.row.filter(|row| row.0 > scroll_position.y as u32) else {
4488 continue;
4489 };
4490
4491 let max_row = display_row.0.saturating_sub(FILE_HEADER_HEIGHT);
4492 let offset = scroll_position.y - max_row as f64;
4493
4494 if offset > 0.0 {
4495 origin.y -= Pixels::from(offset * ScrollPixelOffset::from(line_height));
4496 }
4497 break;
4498 }
4499
4500 let size = size(
4501 AvailableSpace::Definite(available_width),
4502 AvailableSpace::MinContent,
4503 );
4504
4505 header.prepaint_as_root(origin, size, window, cx);
4506
4507 header
4508 }
4509
4510 fn layout_cursor_popovers(
4511 &self,
4512 line_height: Pixels,
4513 text_hitbox: &Hitbox,
4514 content_origin: gpui::Point<Pixels>,
4515 right_margin: Pixels,
4516 start_row: DisplayRow,
4517 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4518 line_layouts: &[LineWithInvisibles],
4519 cursor: DisplayPoint,
4520 cursor_point: Point,
4521 style: &EditorStyle,
4522 window: &mut Window,
4523 cx: &mut App,
4524 ) -> Option<ContextMenuLayout> {
4525 let mut min_menu_height = Pixels::ZERO;
4526 let mut max_menu_height = Pixels::ZERO;
4527 let mut height_above_menu = Pixels::ZERO;
4528 let height_below_menu = Pixels::ZERO;
4529 let mut edit_prediction_popover_visible = false;
4530 let mut context_menu_visible = false;
4531 let context_menu_placement;
4532
4533 {
4534 let editor = self.editor.read(cx);
4535 if editor.edit_prediction_visible_in_cursor_popover(editor.has_active_edit_prediction())
4536 {
4537 height_above_menu +=
4538 editor.edit_prediction_cursor_popover_height() + POPOVER_Y_PADDING;
4539 edit_prediction_popover_visible = true;
4540 }
4541
4542 if editor.context_menu_visible()
4543 && let Some(crate::ContextMenuOrigin::Cursor) = editor.context_menu_origin()
4544 {
4545 let (min_height_in_lines, max_height_in_lines) = editor
4546 .context_menu_options
4547 .as_ref()
4548 .map_or((3, 12), |options| {
4549 (options.min_entries_visible, options.max_entries_visible)
4550 });
4551
4552 min_menu_height += line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4553 max_menu_height += line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4554 context_menu_visible = true;
4555 }
4556 context_menu_placement = editor
4557 .context_menu_options
4558 .as_ref()
4559 .and_then(|options| options.placement.clone());
4560 }
4561
4562 let visible = edit_prediction_popover_visible || context_menu_visible;
4563 if !visible {
4564 return None;
4565 }
4566
4567 let cursor_row_layout = &line_layouts[cursor.row().minus(start_row) as usize];
4568 let target_position = content_origin
4569 + gpui::Point {
4570 x: cmp::max(
4571 px(0.),
4572 Pixels::from(
4573 ScrollPixelOffset::from(
4574 cursor_row_layout.x_for_index(cursor.column() as usize),
4575 ) - scroll_pixel_position.x,
4576 ),
4577 ),
4578 y: cmp::max(
4579 px(0.),
4580 Pixels::from(
4581 cursor.row().next_row().as_f64() * ScrollPixelOffset::from(line_height)
4582 - scroll_pixel_position.y,
4583 ),
4584 ),
4585 };
4586
4587 let viewport_bounds =
4588 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4589 right: -right_margin - MENU_GAP,
4590 ..Default::default()
4591 });
4592
4593 let min_height = height_above_menu + min_menu_height + height_below_menu;
4594 let max_height = height_above_menu + max_menu_height + height_below_menu;
4595 let (laid_out_popovers, y_flipped) = self.layout_popovers_above_or_below_line(
4596 target_position,
4597 line_height,
4598 min_height,
4599 max_height,
4600 context_menu_placement,
4601 text_hitbox,
4602 viewport_bounds,
4603 window,
4604 cx,
4605 |height, max_width_for_stable_x, y_flipped, window, cx| {
4606 // First layout the menu to get its size - others can be at least this wide.
4607 let context_menu = if context_menu_visible {
4608 let menu_height = if y_flipped {
4609 height - height_below_menu
4610 } else {
4611 height - height_above_menu
4612 };
4613 let mut element = self
4614 .render_context_menu(line_height, menu_height, window, cx)
4615 .expect("Visible context menu should always render.");
4616 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4617 Some((CursorPopoverType::CodeContextMenu, element, size))
4618 } else {
4619 None
4620 };
4621 let min_width = context_menu
4622 .as_ref()
4623 .map_or(px(0.), |(_, _, size)| size.width);
4624 let max_width = max_width_for_stable_x.max(
4625 context_menu
4626 .as_ref()
4627 .map_or(px(0.), |(_, _, size)| size.width),
4628 );
4629
4630 let edit_prediction = if edit_prediction_popover_visible {
4631 self.editor.update(cx, move |editor, cx| {
4632 let accept_binding =
4633 editor.accept_edit_prediction_keybind(false, window, cx);
4634 let mut element = editor.render_edit_prediction_cursor_popover(
4635 min_width,
4636 max_width,
4637 cursor_point,
4638 style,
4639 accept_binding.keystroke(),
4640 window,
4641 cx,
4642 )?;
4643 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4644 Some((CursorPopoverType::EditPrediction, element, size))
4645 })
4646 } else {
4647 None
4648 };
4649 vec![edit_prediction, context_menu]
4650 .into_iter()
4651 .flatten()
4652 .collect::<Vec<_>>()
4653 },
4654 )?;
4655
4656 let (menu_ix, (_, menu_bounds)) = laid_out_popovers
4657 .iter()
4658 .find_position(|(x, _)| matches!(x, CursorPopoverType::CodeContextMenu))?;
4659 let last_ix = laid_out_popovers.len() - 1;
4660 let menu_is_last = menu_ix == last_ix;
4661 let first_popover_bounds = laid_out_popovers[0].1;
4662 let last_popover_bounds = laid_out_popovers[last_ix].1;
4663
4664 // Bounds to layout the aside around. When y_flipped, the aside goes either above or to the
4665 // right, and otherwise it goes below or to the right.
4666 let mut target_bounds = Bounds::from_corners(
4667 first_popover_bounds.origin,
4668 last_popover_bounds.bottom_right(),
4669 );
4670 target_bounds.size.width = menu_bounds.size.width;
4671
4672 // Like `target_bounds`, but with the max height it could occupy. Choosing an aside position
4673 // based on this is preferred for layout stability.
4674 let mut max_target_bounds = target_bounds;
4675 max_target_bounds.size.height = max_height;
4676 if y_flipped {
4677 max_target_bounds.origin.y -= max_height - target_bounds.size.height;
4678 }
4679
4680 // Add spacing around `target_bounds` and `max_target_bounds`.
4681 let mut extend_amount = Edges::all(MENU_GAP);
4682 if y_flipped {
4683 extend_amount.bottom = line_height;
4684 } else {
4685 extend_amount.top = line_height;
4686 }
4687 let target_bounds = target_bounds.extend(extend_amount);
4688 let max_target_bounds = max_target_bounds.extend(extend_amount);
4689
4690 let must_place_above_or_below =
4691 if y_flipped && !menu_is_last && menu_bounds.size.height < max_menu_height {
4692 laid_out_popovers[menu_ix + 1..]
4693 .iter()
4694 .any(|(_, popover_bounds)| popover_bounds.size.width > menu_bounds.size.width)
4695 } else {
4696 false
4697 };
4698
4699 let aside_bounds = self.layout_context_menu_aside(
4700 y_flipped,
4701 *menu_bounds,
4702 target_bounds,
4703 max_target_bounds,
4704 max_menu_height,
4705 must_place_above_or_below,
4706 text_hitbox,
4707 viewport_bounds,
4708 window,
4709 cx,
4710 );
4711
4712 if let Some(menu_bounds) = laid_out_popovers.iter().find_map(|(popover_type, bounds)| {
4713 if matches!(popover_type, CursorPopoverType::CodeContextMenu) {
4714 Some(*bounds)
4715 } else {
4716 None
4717 }
4718 }) {
4719 let bounds = if let Some(aside_bounds) = aside_bounds {
4720 menu_bounds.union(&aside_bounds)
4721 } else {
4722 menu_bounds
4723 };
4724 return Some(ContextMenuLayout { y_flipped, bounds });
4725 }
4726
4727 None
4728 }
4729
4730 fn layout_gutter_menu(
4731 &self,
4732 line_height: Pixels,
4733 text_hitbox: &Hitbox,
4734 content_origin: gpui::Point<Pixels>,
4735 right_margin: Pixels,
4736 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4737 gutter_overshoot: Pixels,
4738 window: &mut Window,
4739 cx: &mut App,
4740 ) {
4741 let editor = self.editor.read(cx);
4742 if !editor.context_menu_visible() {
4743 return;
4744 }
4745 let Some(crate::ContextMenuOrigin::GutterIndicator(gutter_row)) =
4746 editor.context_menu_origin()
4747 else {
4748 return;
4749 };
4750 // Context menu was spawned via a click on a gutter. Ensure it's a bit closer to the
4751 // indicator than just a plain first column of the text field.
4752 let target_position = content_origin
4753 + gpui::Point {
4754 x: -gutter_overshoot,
4755 y: Pixels::from(
4756 gutter_row.next_row().as_f64() * ScrollPixelOffset::from(line_height)
4757 - scroll_pixel_position.y,
4758 ),
4759 };
4760
4761 let (min_height_in_lines, max_height_in_lines) = editor
4762 .context_menu_options
4763 .as_ref()
4764 .map_or((3, 12), |options| {
4765 (options.min_entries_visible, options.max_entries_visible)
4766 });
4767
4768 let min_height = line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4769 let max_height = line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4770 let viewport_bounds =
4771 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4772 right: -right_margin - MENU_GAP,
4773 ..Default::default()
4774 });
4775 self.layout_popovers_above_or_below_line(
4776 target_position,
4777 line_height,
4778 min_height,
4779 max_height,
4780 editor
4781 .context_menu_options
4782 .as_ref()
4783 .and_then(|options| options.placement.clone()),
4784 text_hitbox,
4785 viewport_bounds,
4786 window,
4787 cx,
4788 move |height, _max_width_for_stable_x, _, window, cx| {
4789 let mut element = self
4790 .render_context_menu(line_height, height, window, cx)
4791 .expect("Visible context menu should always render.");
4792 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4793 vec![(CursorPopoverType::CodeContextMenu, element, size)]
4794 },
4795 );
4796 }
4797
4798 fn layout_popovers_above_or_below_line(
4799 &self,
4800 target_position: gpui::Point<Pixels>,
4801 line_height: Pixels,
4802 min_height: Pixels,
4803 max_height: Pixels,
4804 placement: Option<ContextMenuPlacement>,
4805 text_hitbox: &Hitbox,
4806 viewport_bounds: Bounds<Pixels>,
4807 window: &mut Window,
4808 cx: &mut App,
4809 make_sized_popovers: impl FnOnce(
4810 Pixels,
4811 Pixels,
4812 bool,
4813 &mut Window,
4814 &mut App,
4815 ) -> Vec<(CursorPopoverType, AnyElement, Size<Pixels>)>,
4816 ) -> Option<(Vec<(CursorPopoverType, Bounds<Pixels>)>, bool)> {
4817 let text_style = TextStyleRefinement {
4818 line_height: Some(DefiniteLength::Fraction(
4819 BufferLineHeight::Comfortable.value(),
4820 )),
4821 ..Default::default()
4822 };
4823 window.with_text_style(Some(text_style), |window| {
4824 // If the max height won't fit below and there is more space above, put it above the line.
4825 let bottom_y_when_flipped = target_position.y - line_height;
4826 let available_above = bottom_y_when_flipped - text_hitbox.top();
4827 let available_below = text_hitbox.bottom() - target_position.y;
4828 let y_overflows_below = max_height > available_below;
4829 let mut y_flipped = match placement {
4830 Some(ContextMenuPlacement::Above) => true,
4831 Some(ContextMenuPlacement::Below) => false,
4832 None => y_overflows_below && available_above > available_below,
4833 };
4834 let mut height = cmp::min(
4835 max_height,
4836 if y_flipped {
4837 available_above
4838 } else {
4839 available_below
4840 },
4841 );
4842
4843 // If the min height doesn't fit within text bounds, instead fit within the window.
4844 if height < min_height {
4845 let available_above = bottom_y_when_flipped;
4846 let available_below = viewport_bounds.bottom() - target_position.y;
4847 let (y_flipped_override, height_override) = match placement {
4848 Some(ContextMenuPlacement::Above) => {
4849 (true, cmp::min(available_above, min_height))
4850 }
4851 Some(ContextMenuPlacement::Below) => {
4852 (false, cmp::min(available_below, min_height))
4853 }
4854 None => {
4855 if available_below > min_height {
4856 (false, min_height)
4857 } else if available_above > min_height {
4858 (true, min_height)
4859 } else if available_above > available_below {
4860 (true, available_above)
4861 } else {
4862 (false, available_below)
4863 }
4864 }
4865 };
4866 y_flipped = y_flipped_override;
4867 height = height_override;
4868 }
4869
4870 let max_width_for_stable_x = viewport_bounds.right() - target_position.x;
4871
4872 // TODO: Use viewport_bounds.width as a max width so that it doesn't get clipped on the left
4873 // for very narrow windows.
4874 let popovers =
4875 make_sized_popovers(height, max_width_for_stable_x, y_flipped, window, cx);
4876 if popovers.is_empty() {
4877 return None;
4878 }
4879
4880 let max_width = popovers
4881 .iter()
4882 .map(|(_, _, size)| size.width)
4883 .max()
4884 .unwrap_or_default();
4885
4886 let mut current_position = gpui::Point {
4887 // Snap the right edge of the list to the right edge of the window if its horizontal bounds
4888 // overflow. Include space for the scrollbar.
4889 x: target_position
4890 .x
4891 .min((viewport_bounds.right() - max_width).max(Pixels::ZERO)),
4892 y: if y_flipped {
4893 bottom_y_when_flipped
4894 } else {
4895 target_position.y
4896 },
4897 };
4898
4899 let mut laid_out_popovers = popovers
4900 .into_iter()
4901 .map(|(popover_type, element, size)| {
4902 if y_flipped {
4903 current_position.y -= size.height;
4904 }
4905 let position = current_position;
4906 window.defer_draw(element, current_position, 1);
4907 if !y_flipped {
4908 current_position.y += size.height + MENU_GAP;
4909 } else {
4910 current_position.y -= MENU_GAP;
4911 }
4912 (popover_type, Bounds::new(position, size))
4913 })
4914 .collect::<Vec<_>>();
4915
4916 if y_flipped {
4917 laid_out_popovers.reverse();
4918 }
4919
4920 Some((laid_out_popovers, y_flipped))
4921 })
4922 }
4923
4924 fn layout_context_menu_aside(
4925 &self,
4926 y_flipped: bool,
4927 menu_bounds: Bounds<Pixels>,
4928 target_bounds: Bounds<Pixels>,
4929 max_target_bounds: Bounds<Pixels>,
4930 max_height: Pixels,
4931 must_place_above_or_below: bool,
4932 text_hitbox: &Hitbox,
4933 viewport_bounds: Bounds<Pixels>,
4934 window: &mut Window,
4935 cx: &mut App,
4936 ) -> Option<Bounds<Pixels>> {
4937 let available_within_viewport = target_bounds.space_within(&viewport_bounds);
4938 let positioned_aside = if available_within_viewport.right >= MENU_ASIDE_MIN_WIDTH
4939 && !must_place_above_or_below
4940 {
4941 let max_width = cmp::min(
4942 available_within_viewport.right - px(1.),
4943 MENU_ASIDE_MAX_WIDTH,
4944 );
4945 let mut aside = self.render_context_menu_aside(
4946 size(max_width, max_height - POPOVER_Y_PADDING),
4947 window,
4948 cx,
4949 )?;
4950 let size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4951 let right_position = point(target_bounds.right(), menu_bounds.origin.y);
4952 Some((aside, right_position, size))
4953 } else {
4954 let max_size = size(
4955 // TODO(mgsloan): Once the menu is bounded by viewport width the bound on viewport
4956 // won't be needed here.
4957 cmp::min(
4958 cmp::max(menu_bounds.size.width - px(2.), MENU_ASIDE_MIN_WIDTH),
4959 viewport_bounds.right(),
4960 ),
4961 cmp::min(
4962 max_height,
4963 cmp::max(
4964 available_within_viewport.top,
4965 available_within_viewport.bottom,
4966 ),
4967 ) - POPOVER_Y_PADDING,
4968 );
4969 let mut aside = self.render_context_menu_aside(max_size, window, cx)?;
4970 let actual_size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4971
4972 let top_position = point(
4973 menu_bounds.origin.x,
4974 target_bounds.top() - actual_size.height,
4975 );
4976 let bottom_position = point(menu_bounds.origin.x, target_bounds.bottom());
4977
4978 let fit_within = |available: Edges<Pixels>, wanted: Size<Pixels>| {
4979 // Prefer to fit on the same side of the line as the menu, then on the other side of
4980 // the line.
4981 if !y_flipped && wanted.height < available.bottom {
4982 Some(bottom_position)
4983 } else if !y_flipped && wanted.height < available.top {
4984 Some(top_position)
4985 } else if y_flipped && wanted.height < available.top {
4986 Some(top_position)
4987 } else if y_flipped && wanted.height < available.bottom {
4988 Some(bottom_position)
4989 } else {
4990 None
4991 }
4992 };
4993
4994 // Prefer choosing a direction using max sizes rather than actual size for stability.
4995 let available_within_text = max_target_bounds.space_within(&text_hitbox.bounds);
4996 let wanted = size(MENU_ASIDE_MAX_WIDTH, max_height);
4997 let aside_position = fit_within(available_within_text, wanted)
4998 // Fallback: fit max size in window.
4999 .or_else(|| fit_within(max_target_bounds.space_within(&viewport_bounds), wanted))
5000 // Fallback: fit actual size in window.
5001 .or_else(|| fit_within(available_within_viewport, actual_size));
5002
5003 aside_position.map(|position| (aside, position, actual_size))
5004 };
5005
5006 // Skip drawing if it doesn't fit anywhere.
5007 if let Some((aside, position, size)) = positioned_aside {
5008 let aside_bounds = Bounds::new(position, size);
5009 window.defer_draw(aside, position, 2);
5010 return Some(aside_bounds);
5011 }
5012
5013 None
5014 }
5015
5016 fn render_context_menu(
5017 &self,
5018 line_height: Pixels,
5019 height: Pixels,
5020 window: &mut Window,
5021 cx: &mut App,
5022 ) -> Option<AnyElement> {
5023 let max_height_in_lines = ((height - POPOVER_Y_PADDING) / line_height).floor() as u32;
5024 self.editor.update(cx, |editor, cx| {
5025 editor.render_context_menu(&self.style, max_height_in_lines, window, cx)
5026 })
5027 }
5028
5029 fn render_context_menu_aside(
5030 &self,
5031 max_size: Size<Pixels>,
5032 window: &mut Window,
5033 cx: &mut App,
5034 ) -> Option<AnyElement> {
5035 if max_size.width < px(100.) || max_size.height < px(12.) {
5036 None
5037 } else {
5038 self.editor.update(cx, |editor, cx| {
5039 editor.render_context_menu_aside(max_size, window, cx)
5040 })
5041 }
5042 }
5043
5044 fn layout_mouse_context_menu(
5045 &self,
5046 editor_snapshot: &EditorSnapshot,
5047 visible_range: Range<DisplayRow>,
5048 content_origin: gpui::Point<Pixels>,
5049 window: &mut Window,
5050 cx: &mut App,
5051 ) -> Option<AnyElement> {
5052 let position = self.editor.update(cx, |editor, _cx| {
5053 let visible_start_point = editor.display_to_pixel_point(
5054 DisplayPoint::new(visible_range.start, 0),
5055 editor_snapshot,
5056 window,
5057 )?;
5058 let visible_end_point = editor.display_to_pixel_point(
5059 DisplayPoint::new(visible_range.end, 0),
5060 editor_snapshot,
5061 window,
5062 )?;
5063
5064 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
5065 let (source_display_point, position) = match mouse_context_menu.position {
5066 MenuPosition::PinnedToScreen(point) => (None, point),
5067 MenuPosition::PinnedToEditor { source, offset } => {
5068 let source_display_point = source.to_display_point(editor_snapshot);
5069 let source_point = editor.to_pixel_point(source, editor_snapshot, window)?;
5070 let position = content_origin + source_point + offset;
5071 (Some(source_display_point), position)
5072 }
5073 };
5074
5075 let source_included = source_display_point.is_none_or(|source_display_point| {
5076 visible_range
5077 .to_inclusive()
5078 .contains(&source_display_point.row())
5079 });
5080 let position_included =
5081 visible_start_point.y <= position.y && position.y <= visible_end_point.y;
5082 if !source_included && !position_included {
5083 None
5084 } else {
5085 Some(position)
5086 }
5087 })?;
5088
5089 let text_style = TextStyleRefinement {
5090 line_height: Some(DefiniteLength::Fraction(
5091 BufferLineHeight::Comfortable.value(),
5092 )),
5093 ..Default::default()
5094 };
5095 window.with_text_style(Some(text_style), |window| {
5096 let mut element = self.editor.read_with(cx, |editor, _| {
5097 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
5098 let context_menu = mouse_context_menu.context_menu.clone();
5099
5100 Some(
5101 deferred(
5102 anchored()
5103 .position(position)
5104 .child(context_menu)
5105 .anchor(Corner::TopLeft)
5106 .snap_to_window_with_margin(px(8.)),
5107 )
5108 .with_priority(1)
5109 .into_any(),
5110 )
5111 })?;
5112
5113 element.prepaint_as_root(position, AvailableSpace::min_size(), window, cx);
5114 Some(element)
5115 })
5116 }
5117
5118 fn layout_hover_popovers(
5119 &self,
5120 snapshot: &EditorSnapshot,
5121 hitbox: &Hitbox,
5122 visible_display_row_range: Range<DisplayRow>,
5123 content_origin: gpui::Point<Pixels>,
5124 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5125 line_layouts: &[LineWithInvisibles],
5126 line_height: Pixels,
5127 em_width: Pixels,
5128 context_menu_layout: Option<ContextMenuLayout>,
5129 window: &mut Window,
5130 cx: &mut App,
5131 ) {
5132 struct MeasuredHoverPopover {
5133 element: AnyElement,
5134 size: Size<Pixels>,
5135 horizontal_offset: Pixels,
5136 }
5137
5138 let max_size = size(
5139 (120. * em_width) // Default size
5140 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5141 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5142 (16. * line_height) // Default size
5143 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5144 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5145 );
5146
5147 let hover_popovers = self.editor.update(cx, |editor, cx| {
5148 editor.hover_state.render(
5149 snapshot,
5150 visible_display_row_range.clone(),
5151 max_size,
5152 window,
5153 cx,
5154 )
5155 });
5156 let Some((position, hover_popovers)) = hover_popovers else {
5157 return;
5158 };
5159
5160 // This is safe because we check on layout whether the required row is available
5161 let hovered_row_layout =
5162 &line_layouts[position.row().minus(visible_display_row_range.start) as usize];
5163
5164 // Compute Hovered Point
5165 let x = hovered_row_layout.x_for_index(position.column() as usize)
5166 - Pixels::from(scroll_pixel_position.x);
5167 let y = Pixels::from(
5168 position.row().as_f64() * ScrollPixelOffset::from(line_height)
5169 - scroll_pixel_position.y,
5170 );
5171 let hovered_point = content_origin + point(x, y);
5172
5173 let mut overall_height = Pixels::ZERO;
5174 let mut measured_hover_popovers = Vec::new();
5175 for (position, mut hover_popover) in hover_popovers.into_iter().with_position() {
5176 let size = hover_popover.layout_as_root(AvailableSpace::min_size(), window, cx);
5177 let horizontal_offset =
5178 (hitbox.top_right().x - POPOVER_RIGHT_OFFSET - (hovered_point.x + size.width))
5179 .min(Pixels::ZERO);
5180 match position {
5181 itertools::Position::Middle | itertools::Position::Last => {
5182 overall_height += HOVER_POPOVER_GAP
5183 }
5184 _ => {}
5185 }
5186 overall_height += size.height;
5187 measured_hover_popovers.push(MeasuredHoverPopover {
5188 element: hover_popover,
5189 size,
5190 horizontal_offset,
5191 });
5192 }
5193
5194 fn draw_occluder(
5195 width: Pixels,
5196 origin: gpui::Point<Pixels>,
5197 window: &mut Window,
5198 cx: &mut App,
5199 ) {
5200 let mut occlusion = div()
5201 .size_full()
5202 .occlude()
5203 .on_mouse_move(|_, _, cx| cx.stop_propagation())
5204 .into_any_element();
5205 occlusion.layout_as_root(size(width, HOVER_POPOVER_GAP).into(), window, cx);
5206 window.defer_draw(occlusion, origin, 2);
5207 }
5208
5209 fn place_popovers_above(
5210 hovered_point: gpui::Point<Pixels>,
5211 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5212 window: &mut Window,
5213 cx: &mut App,
5214 ) {
5215 let mut current_y = hovered_point.y;
5216 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5217 let size = popover.size;
5218 let popover_origin = point(
5219 hovered_point.x + popover.horizontal_offset,
5220 current_y - size.height,
5221 );
5222
5223 window.defer_draw(popover.element, popover_origin, 2);
5224 if position != itertools::Position::Last {
5225 let origin = point(popover_origin.x, popover_origin.y - HOVER_POPOVER_GAP);
5226 draw_occluder(size.width, origin, window, cx);
5227 }
5228
5229 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5230 }
5231 }
5232
5233 fn place_popovers_below(
5234 hovered_point: gpui::Point<Pixels>,
5235 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5236 line_height: Pixels,
5237 window: &mut Window,
5238 cx: &mut App,
5239 ) {
5240 let mut current_y = hovered_point.y + line_height;
5241 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5242 let size = popover.size;
5243 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5244
5245 window.defer_draw(popover.element, popover_origin, 2);
5246 if position != itertools::Position::Last {
5247 let origin = point(popover_origin.x, popover_origin.y + size.height);
5248 draw_occluder(size.width, origin, window, cx);
5249 }
5250
5251 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5252 }
5253 }
5254
5255 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5256 context_menu_layout
5257 .as_ref()
5258 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5259 };
5260
5261 let can_place_above = {
5262 let mut bounds_above = Vec::new();
5263 let mut current_y = hovered_point.y;
5264 for popover in &measured_hover_popovers {
5265 let size = popover.size;
5266 let popover_origin = point(
5267 hovered_point.x + popover.horizontal_offset,
5268 current_y - size.height,
5269 );
5270 bounds_above.push(Bounds::new(popover_origin, size));
5271 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5272 }
5273 bounds_above
5274 .iter()
5275 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5276 };
5277
5278 let can_place_below = || {
5279 let mut bounds_below = Vec::new();
5280 let mut current_y = hovered_point.y + line_height;
5281 for popover in &measured_hover_popovers {
5282 let size = popover.size;
5283 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5284 bounds_below.push(Bounds::new(popover_origin, size));
5285 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5286 }
5287 bounds_below
5288 .iter()
5289 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5290 };
5291
5292 if can_place_above {
5293 // try placing above hovered point
5294 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5295 } else if can_place_below() {
5296 // try placing below hovered point
5297 place_popovers_below(
5298 hovered_point,
5299 measured_hover_popovers,
5300 line_height,
5301 window,
5302 cx,
5303 );
5304 } else {
5305 // try to place popovers around the context menu
5306 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5307 let total_width = measured_hover_popovers
5308 .iter()
5309 .map(|p| p.size.width)
5310 .max()
5311 .unwrap_or(Pixels::ZERO);
5312 let y_for_horizontal_positioning = if menu.y_flipped {
5313 menu.bounds.bottom() - overall_height
5314 } else {
5315 menu.bounds.top()
5316 };
5317 let possible_origins = vec![
5318 // left of context menu
5319 point(
5320 menu.bounds.left() - total_width - HOVER_POPOVER_GAP,
5321 y_for_horizontal_positioning,
5322 ),
5323 // right of context menu
5324 point(
5325 menu.bounds.right() + HOVER_POPOVER_GAP,
5326 y_for_horizontal_positioning,
5327 ),
5328 // top of context menu
5329 point(
5330 menu.bounds.left(),
5331 menu.bounds.top() - overall_height - HOVER_POPOVER_GAP,
5332 ),
5333 // bottom of context menu
5334 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5335 ];
5336 possible_origins.into_iter().find(|&origin| {
5337 Bounds::new(origin, size(total_width, overall_height))
5338 .is_contained_within(hitbox)
5339 })
5340 });
5341 if let Some(origin) = origin_surrounding_menu {
5342 let mut current_y = origin.y;
5343 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5344 let size = popover.size;
5345 let popover_origin = point(origin.x, current_y);
5346
5347 window.defer_draw(popover.element, popover_origin, 2);
5348 if position != itertools::Position::Last {
5349 let origin = point(popover_origin.x, popover_origin.y + size.height);
5350 draw_occluder(size.width, origin, window, cx);
5351 }
5352
5353 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5354 }
5355 } else {
5356 // fallback to existing above/below cursor logic
5357 // this might overlap menu or overflow in rare case
5358 if can_place_above {
5359 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5360 } else {
5361 place_popovers_below(
5362 hovered_point,
5363 measured_hover_popovers,
5364 line_height,
5365 window,
5366 cx,
5367 );
5368 }
5369 }
5370 }
5371 }
5372
5373 fn layout_diff_hunk_controls(
5374 &self,
5375 row_range: Range<DisplayRow>,
5376 row_infos: &[RowInfo],
5377 text_hitbox: &Hitbox,
5378 newest_cursor_position: Option<DisplayPoint>,
5379 line_height: Pixels,
5380 right_margin: Pixels,
5381 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5382 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
5383 highlighted_rows: &BTreeMap<DisplayRow, LineHighlight>,
5384 editor: Entity<Editor>,
5385 window: &mut Window,
5386 cx: &mut App,
5387 ) -> (Vec<AnyElement>, Vec<(DisplayRow, Bounds<Pixels>)>) {
5388 let render_diff_hunk_controls = editor.read(cx).render_diff_hunk_controls.clone();
5389 let hovered_diff_hunk_row = editor.read(cx).hovered_diff_hunk_row;
5390
5391 let mut controls = vec![];
5392 let mut control_bounds = vec![];
5393
5394 let active_positions = [
5395 hovered_diff_hunk_row.map(|row| DisplayPoint::new(row, 0)),
5396 newest_cursor_position,
5397 ];
5398
5399 for (hunk, _) in display_hunks {
5400 if let DisplayDiffHunk::Unfolded {
5401 display_row_range,
5402 multi_buffer_range,
5403 status,
5404 is_created_file,
5405 ..
5406 } = &hunk
5407 {
5408 if display_row_range.start < row_range.start
5409 || display_row_range.start >= row_range.end
5410 {
5411 continue;
5412 }
5413 if highlighted_rows
5414 .get(&display_row_range.start)
5415 .and_then(|highlight| highlight.type_id)
5416 .is_some_and(|type_id| {
5417 [
5418 TypeId::of::<ConflictsOuter>(),
5419 TypeId::of::<ConflictsOursMarker>(),
5420 TypeId::of::<ConflictsOurs>(),
5421 TypeId::of::<ConflictsTheirs>(),
5422 TypeId::of::<ConflictsTheirsMarker>(),
5423 ]
5424 .contains(&type_id)
5425 })
5426 {
5427 continue;
5428 }
5429 let row_ix = (display_row_range.start - row_range.start).0 as usize;
5430 if row_infos[row_ix].diff_status.is_none() {
5431 continue;
5432 }
5433 if row_infos[row_ix]
5434 .diff_status
5435 .is_some_and(|status| status.is_added())
5436 && !status.is_added()
5437 {
5438 continue;
5439 }
5440
5441 if active_positions
5442 .iter()
5443 .any(|p| p.is_some_and(|p| display_row_range.contains(&p.row())))
5444 {
5445 let y = (display_row_range.start.as_f64()
5446 * ScrollPixelOffset::from(line_height)
5447 + ScrollPixelOffset::from(text_hitbox.bounds.top())
5448 - scroll_pixel_position.y)
5449 .into();
5450
5451 let mut element = render_diff_hunk_controls(
5452 display_row_range.start.0,
5453 status,
5454 multi_buffer_range.clone(),
5455 *is_created_file,
5456 line_height,
5457 &editor,
5458 window,
5459 cx,
5460 );
5461 let size =
5462 element.layout_as_root(size(px(100.0), line_height).into(), window, cx);
5463
5464 let x = text_hitbox.bounds.right() - right_margin - px(10.) - size.width;
5465
5466 let bounds = Bounds::new(gpui::Point::new(x, y), size);
5467 control_bounds.push((display_row_range.start, bounds));
5468
5469 window.with_absolute_element_offset(gpui::Point::new(x, y), |window| {
5470 element.prepaint(window, cx)
5471 });
5472 controls.push(element);
5473 }
5474 }
5475 }
5476
5477 (controls, control_bounds)
5478 }
5479
5480 fn layout_signature_help(
5481 &self,
5482 hitbox: &Hitbox,
5483 content_origin: gpui::Point<Pixels>,
5484 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5485 newest_selection_head: Option<DisplayPoint>,
5486 start_row: DisplayRow,
5487 line_layouts: &[LineWithInvisibles],
5488 line_height: Pixels,
5489 em_width: Pixels,
5490 context_menu_layout: Option<ContextMenuLayout>,
5491 window: &mut Window,
5492 cx: &mut App,
5493 ) {
5494 if !self.editor.focus_handle(cx).is_focused(window) {
5495 return;
5496 }
5497 let Some(newest_selection_head) = newest_selection_head else {
5498 return;
5499 };
5500
5501 let max_size = size(
5502 (120. * em_width) // Default size
5503 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5504 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5505 (16. * line_height) // Default size
5506 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5507 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5508 );
5509
5510 let maybe_element = self.editor.update(cx, |editor, cx| {
5511 if let Some(popover) = editor.signature_help_state.popover_mut() {
5512 let element = popover.render(max_size, window, cx);
5513 Some(element)
5514 } else {
5515 None
5516 }
5517 });
5518 let Some(mut element) = maybe_element else {
5519 return;
5520 };
5521
5522 let selection_row = newest_selection_head.row();
5523 let Some(cursor_row_layout) = (selection_row >= start_row)
5524 .then(|| line_layouts.get(selection_row.minus(start_row) as usize))
5525 .flatten()
5526 else {
5527 return;
5528 };
5529
5530 let target_x = cursor_row_layout.x_for_index(newest_selection_head.column() as usize)
5531 - Pixels::from(scroll_pixel_position.x);
5532 let target_y = Pixels::from(
5533 selection_row.as_f64() * ScrollPixelOffset::from(line_height) - scroll_pixel_position.y,
5534 );
5535 let target_point = content_origin + point(target_x, target_y);
5536
5537 let actual_size = element.layout_as_root(Size::<AvailableSpace>::default(), window, cx);
5538
5539 let (popover_bounds_above, popover_bounds_below) = {
5540 let horizontal_offset = (hitbox.top_right().x
5541 - POPOVER_RIGHT_OFFSET
5542 - (target_point.x + actual_size.width))
5543 .min(Pixels::ZERO);
5544 let initial_x = target_point.x + horizontal_offset;
5545 (
5546 Bounds::new(
5547 point(initial_x, target_point.y - actual_size.height),
5548 actual_size,
5549 ),
5550 Bounds::new(
5551 point(initial_x, target_point.y + line_height + HOVER_POPOVER_GAP),
5552 actual_size,
5553 ),
5554 )
5555 };
5556
5557 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5558 context_menu_layout
5559 .as_ref()
5560 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5561 };
5562
5563 let final_origin = if popover_bounds_above.is_contained_within(hitbox)
5564 && !intersects_menu(popover_bounds_above)
5565 {
5566 // try placing above cursor
5567 popover_bounds_above.origin
5568 } else if popover_bounds_below.is_contained_within(hitbox)
5569 && !intersects_menu(popover_bounds_below)
5570 {
5571 // try placing below cursor
5572 popover_bounds_below.origin
5573 } else {
5574 // try surrounding context menu if exists
5575 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5576 let y_for_horizontal_positioning = if menu.y_flipped {
5577 menu.bounds.bottom() - actual_size.height
5578 } else {
5579 menu.bounds.top()
5580 };
5581 let possible_origins = vec![
5582 // left of context menu
5583 point(
5584 menu.bounds.left() - actual_size.width - HOVER_POPOVER_GAP,
5585 y_for_horizontal_positioning,
5586 ),
5587 // right of context menu
5588 point(
5589 menu.bounds.right() + HOVER_POPOVER_GAP,
5590 y_for_horizontal_positioning,
5591 ),
5592 // top of context menu
5593 point(
5594 menu.bounds.left(),
5595 menu.bounds.top() - actual_size.height - HOVER_POPOVER_GAP,
5596 ),
5597 // bottom of context menu
5598 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5599 ];
5600 possible_origins
5601 .into_iter()
5602 .find(|&origin| Bounds::new(origin, actual_size).is_contained_within(hitbox))
5603 });
5604 origin_surrounding_menu.unwrap_or_else(|| {
5605 // fallback to existing above/below cursor logic
5606 // this might overlap menu or overflow in rare case
5607 if popover_bounds_above.is_contained_within(hitbox) {
5608 popover_bounds_above.origin
5609 } else {
5610 popover_bounds_below.origin
5611 }
5612 })
5613 };
5614
5615 window.defer_draw(element, final_origin, 2);
5616 }
5617
5618 fn paint_background(&self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
5619 window.paint_layer(layout.hitbox.bounds, |window| {
5620 let scroll_top = layout.position_map.snapshot.scroll_position().y;
5621 let gutter_bg = cx.theme().colors().editor_gutter_background;
5622 window.paint_quad(fill(layout.gutter_hitbox.bounds, gutter_bg));
5623 window.paint_quad(fill(
5624 layout.position_map.text_hitbox.bounds,
5625 self.style.background,
5626 ));
5627
5628 if matches!(
5629 layout.mode,
5630 EditorMode::Full { .. } | EditorMode::Minimap { .. }
5631 ) {
5632 let show_active_line_background = match layout.mode {
5633 EditorMode::Full {
5634 show_active_line_background,
5635 ..
5636 } => show_active_line_background,
5637 EditorMode::Minimap { .. } => true,
5638 _ => false,
5639 };
5640 let mut active_rows = layout.active_rows.iter().peekable();
5641 while let Some((start_row, contains_non_empty_selection)) = active_rows.next() {
5642 let mut end_row = start_row.0;
5643 while active_rows
5644 .peek()
5645 .is_some_and(|(active_row, has_selection)| {
5646 active_row.0 == end_row + 1
5647 && has_selection.selection == contains_non_empty_selection.selection
5648 })
5649 {
5650 active_rows.next().unwrap();
5651 end_row += 1;
5652 }
5653
5654 if show_active_line_background && !contains_non_empty_selection.selection {
5655 let highlight_h_range =
5656 match layout.position_map.snapshot.current_line_highlight {
5657 CurrentLineHighlight::Gutter => Some(Range {
5658 start: layout.hitbox.left(),
5659 end: layout.gutter_hitbox.right(),
5660 }),
5661 CurrentLineHighlight::Line => Some(Range {
5662 start: layout.position_map.text_hitbox.bounds.left(),
5663 end: layout.position_map.text_hitbox.bounds.right(),
5664 }),
5665 CurrentLineHighlight::All => Some(Range {
5666 start: layout.hitbox.left(),
5667 end: layout.hitbox.right(),
5668 }),
5669 CurrentLineHighlight::None => None,
5670 };
5671 if let Some(range) = highlight_h_range {
5672 let active_line_bg = cx.theme().colors().editor_active_line_background;
5673 let bounds = Bounds {
5674 origin: point(
5675 range.start,
5676 layout.hitbox.origin.y
5677 + Pixels::from(
5678 (start_row.as_f64() - scroll_top)
5679 * ScrollPixelOffset::from(
5680 layout.position_map.line_height,
5681 ),
5682 ),
5683 ),
5684 size: size(
5685 range.end - range.start,
5686 layout.position_map.line_height
5687 * (end_row - start_row.0 + 1) as f32,
5688 ),
5689 };
5690 window.paint_quad(fill(bounds, active_line_bg));
5691 }
5692 }
5693 }
5694
5695 let mut paint_highlight = |highlight_row_start: DisplayRow,
5696 highlight_row_end: DisplayRow,
5697 highlight: crate::LineHighlight,
5698 edges| {
5699 let mut origin_x = layout.hitbox.left();
5700 let mut width = layout.hitbox.size.width;
5701 if !highlight.include_gutter {
5702 origin_x += layout.gutter_hitbox.size.width;
5703 width -= layout.gutter_hitbox.size.width;
5704 }
5705
5706 let origin = point(
5707 origin_x,
5708 layout.hitbox.origin.y
5709 + Pixels::from(
5710 (highlight_row_start.as_f64() - scroll_top)
5711 * ScrollPixelOffset::from(layout.position_map.line_height),
5712 ),
5713 );
5714 let size = size(
5715 width,
5716 layout.position_map.line_height
5717 * highlight_row_end.next_row().minus(highlight_row_start) as f32,
5718 );
5719 let mut quad = fill(Bounds { origin, size }, highlight.background);
5720 if let Some(border_color) = highlight.border {
5721 quad.border_color = border_color;
5722 quad.border_widths = edges
5723 }
5724 window.paint_quad(quad);
5725 };
5726
5727 let mut current_paint: Option<(LineHighlight, Range<DisplayRow>, Edges<Pixels>)> =
5728 None;
5729 for (&new_row, &new_background) in &layout.highlighted_rows {
5730 match &mut current_paint {
5731 &mut Some((current_background, ref mut current_range, mut edges)) => {
5732 let new_range_started = current_background != new_background
5733 || current_range.end.next_row() != new_row;
5734 if new_range_started {
5735 if current_range.end.next_row() == new_row {
5736 edges.bottom = px(0.);
5737 };
5738 paint_highlight(
5739 current_range.start,
5740 current_range.end,
5741 current_background,
5742 edges,
5743 );
5744 let edges = Edges {
5745 top: if current_range.end.next_row() != new_row {
5746 px(1.)
5747 } else {
5748 px(0.)
5749 },
5750 bottom: px(1.),
5751 ..Default::default()
5752 };
5753 current_paint = Some((new_background, new_row..new_row, edges));
5754 continue;
5755 } else {
5756 current_range.end = current_range.end.next_row();
5757 }
5758 }
5759 None => {
5760 let edges = Edges {
5761 top: px(1.),
5762 bottom: px(1.),
5763 ..Default::default()
5764 };
5765 current_paint = Some((new_background, new_row..new_row, edges))
5766 }
5767 };
5768 }
5769 if let Some((color, range, edges)) = current_paint {
5770 paint_highlight(range.start, range.end, color, edges);
5771 }
5772
5773 for (guide_x, active) in layout.wrap_guides.iter() {
5774 let color = if *active {
5775 cx.theme().colors().editor_active_wrap_guide
5776 } else {
5777 cx.theme().colors().editor_wrap_guide
5778 };
5779 window.paint_quad(fill(
5780 Bounds {
5781 origin: point(*guide_x, layout.position_map.text_hitbox.origin.y),
5782 size: size(px(1.), layout.position_map.text_hitbox.size.height),
5783 },
5784 color,
5785 ));
5786 }
5787 }
5788 })
5789 }
5790
5791 fn paint_indent_guides(
5792 &mut self,
5793 layout: &mut EditorLayout,
5794 window: &mut Window,
5795 cx: &mut App,
5796 ) {
5797 let Some(indent_guides) = &layout.indent_guides else {
5798 return;
5799 };
5800
5801 let faded_color = |color: Hsla, alpha: f32| {
5802 let mut faded = color;
5803 faded.a = alpha;
5804 faded
5805 };
5806
5807 for indent_guide in indent_guides {
5808 let indent_accent_colors = cx.theme().accents().color_for_index(indent_guide.depth);
5809 let settings = &indent_guide.settings;
5810
5811 // TODO fixed for now, expose them through themes later
5812 const INDENT_AWARE_ALPHA: f32 = 0.2;
5813 const INDENT_AWARE_ACTIVE_ALPHA: f32 = 0.4;
5814 const INDENT_AWARE_BACKGROUND_ALPHA: f32 = 0.1;
5815 const INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA: f32 = 0.2;
5816
5817 let line_color = match (settings.coloring, indent_guide.active) {
5818 (IndentGuideColoring::Disabled, _) => None,
5819 (IndentGuideColoring::Fixed, false) => {
5820 Some(cx.theme().colors().editor_indent_guide)
5821 }
5822 (IndentGuideColoring::Fixed, true) => {
5823 Some(cx.theme().colors().editor_indent_guide_active)
5824 }
5825 (IndentGuideColoring::IndentAware, false) => {
5826 Some(faded_color(indent_accent_colors, INDENT_AWARE_ALPHA))
5827 }
5828 (IndentGuideColoring::IndentAware, true) => {
5829 Some(faded_color(indent_accent_colors, INDENT_AWARE_ACTIVE_ALPHA))
5830 }
5831 };
5832
5833 let background_color = match (settings.background_coloring, indent_guide.active) {
5834 (IndentGuideBackgroundColoring::Disabled, _) => None,
5835 (IndentGuideBackgroundColoring::IndentAware, false) => Some(faded_color(
5836 indent_accent_colors,
5837 INDENT_AWARE_BACKGROUND_ALPHA,
5838 )),
5839 (IndentGuideBackgroundColoring::IndentAware, true) => Some(faded_color(
5840 indent_accent_colors,
5841 INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA,
5842 )),
5843 };
5844
5845 let requested_line_width = if indent_guide.active {
5846 settings.active_line_width
5847 } else {
5848 settings.line_width
5849 }
5850 .clamp(1, 10);
5851 let mut line_indicator_width = 0.;
5852 if let Some(color) = line_color {
5853 window.paint_quad(fill(
5854 Bounds {
5855 origin: indent_guide.origin,
5856 size: size(px(requested_line_width as f32), indent_guide.length),
5857 },
5858 color,
5859 ));
5860 line_indicator_width = requested_line_width as f32;
5861 }
5862
5863 if let Some(color) = background_color {
5864 let width = indent_guide.single_indent_width - px(line_indicator_width);
5865 window.paint_quad(fill(
5866 Bounds {
5867 origin: point(
5868 indent_guide.origin.x + px(line_indicator_width),
5869 indent_guide.origin.y,
5870 ),
5871 size: size(width, indent_guide.length),
5872 },
5873 color,
5874 ));
5875 }
5876 }
5877 }
5878
5879 fn paint_line_numbers(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5880 let is_singleton = self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
5881
5882 let line_height = layout.position_map.line_height;
5883 window.set_cursor_style(CursorStyle::Arrow, &layout.gutter_hitbox);
5884
5885 for line_layout in layout.line_numbers.values() {
5886 for LineNumberSegment {
5887 shaped_line,
5888 hitbox,
5889 } in &line_layout.segments
5890 {
5891 let Some(hitbox) = hitbox else {
5892 continue;
5893 };
5894
5895 let Some(()) = (if !is_singleton && hitbox.is_hovered(window) {
5896 let color = cx.theme().colors().editor_hover_line_number;
5897
5898 let line = self.shape_line_number(shaped_line.text.clone(), color, window);
5899 line.paint(hitbox.origin, line_height, window, cx).log_err()
5900 } else {
5901 shaped_line
5902 .paint(hitbox.origin, line_height, window, cx)
5903 .log_err()
5904 }) else {
5905 continue;
5906 };
5907
5908 // In singleton buffers, we select corresponding lines on the line number click, so use | -like cursor.
5909 // In multi buffers, we open file at the line number clicked, so use a pointing hand cursor.
5910 if is_singleton {
5911 window.set_cursor_style(CursorStyle::IBeam, hitbox);
5912 } else {
5913 window.set_cursor_style(CursorStyle::PointingHand, hitbox);
5914 }
5915 }
5916 }
5917 }
5918
5919 fn paint_gutter_diff_hunks(layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5920 if layout.display_hunks.is_empty() {
5921 return;
5922 }
5923
5924 let line_height = layout.position_map.line_height;
5925 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5926 for (hunk, hitbox) in &layout.display_hunks {
5927 let hunk_to_paint = match hunk {
5928 DisplayDiffHunk::Folded { .. } => {
5929 let hunk_bounds = Self::diff_hunk_bounds(
5930 &layout.position_map.snapshot,
5931 line_height,
5932 layout.gutter_hitbox.bounds,
5933 hunk,
5934 );
5935 Some((
5936 hunk_bounds,
5937 cx.theme().colors().version_control_modified,
5938 Corners::all(px(0.)),
5939 DiffHunkStatus::modified_none(),
5940 ))
5941 }
5942 DisplayDiffHunk::Unfolded {
5943 status,
5944 display_row_range,
5945 ..
5946 } => hitbox.as_ref().map(|hunk_hitbox| match status.kind {
5947 DiffHunkStatusKind::Added => (
5948 hunk_hitbox.bounds,
5949 cx.theme().colors().version_control_added,
5950 Corners::all(px(0.)),
5951 *status,
5952 ),
5953 DiffHunkStatusKind::Modified => (
5954 hunk_hitbox.bounds,
5955 cx.theme().colors().version_control_modified,
5956 Corners::all(px(0.)),
5957 *status,
5958 ),
5959 DiffHunkStatusKind::Deleted if !display_row_range.is_empty() => (
5960 hunk_hitbox.bounds,
5961 cx.theme().colors().version_control_deleted,
5962 Corners::all(px(0.)),
5963 *status,
5964 ),
5965 DiffHunkStatusKind::Deleted => (
5966 Bounds::new(
5967 point(
5968 hunk_hitbox.origin.x - hunk_hitbox.size.width,
5969 hunk_hitbox.origin.y,
5970 ),
5971 size(hunk_hitbox.size.width * 2., hunk_hitbox.size.height),
5972 ),
5973 cx.theme().colors().version_control_deleted,
5974 Corners::all(1. * line_height),
5975 *status,
5976 ),
5977 }),
5978 };
5979
5980 if let Some((hunk_bounds, background_color, corner_radii, status)) = hunk_to_paint {
5981 // Flatten the background color with the editor color to prevent
5982 // elements below transparent hunks from showing through
5983 let flattened_background_color = cx
5984 .theme()
5985 .colors()
5986 .editor_background
5987 .blend(background_color);
5988
5989 if !Self::diff_hunk_hollow(status, cx) {
5990 window.paint_quad(quad(
5991 hunk_bounds,
5992 corner_radii,
5993 flattened_background_color,
5994 Edges::default(),
5995 transparent_black(),
5996 BorderStyle::default(),
5997 ));
5998 } else {
5999 let flattened_unstaged_background_color = cx
6000 .theme()
6001 .colors()
6002 .editor_background
6003 .blend(background_color.opacity(0.3));
6004
6005 window.paint_quad(quad(
6006 hunk_bounds,
6007 corner_radii,
6008 flattened_unstaged_background_color,
6009 Edges::all(px(1.0)),
6010 flattened_background_color,
6011 BorderStyle::Solid,
6012 ));
6013 }
6014 }
6015 }
6016 });
6017 }
6018
6019 fn gutter_strip_width(line_height: Pixels) -> Pixels {
6020 (0.275 * line_height).floor()
6021 }
6022
6023 fn diff_hunk_bounds(
6024 snapshot: &EditorSnapshot,
6025 line_height: Pixels,
6026 gutter_bounds: Bounds<Pixels>,
6027 hunk: &DisplayDiffHunk,
6028 ) -> Bounds<Pixels> {
6029 let scroll_position = snapshot.scroll_position();
6030 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
6031 let gutter_strip_width = Self::gutter_strip_width(line_height);
6032
6033 match hunk {
6034 DisplayDiffHunk::Folded { display_row, .. } => {
6035 let start_y = (display_row.as_f64() * ScrollPixelOffset::from(line_height)
6036 - scroll_top)
6037 .into();
6038 let end_y = start_y + line_height;
6039 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6040 let highlight_size = size(gutter_strip_width, end_y - start_y);
6041 Bounds::new(highlight_origin, highlight_size)
6042 }
6043 DisplayDiffHunk::Unfolded {
6044 display_row_range,
6045 status,
6046 ..
6047 } => {
6048 if status.is_deleted() && display_row_range.is_empty() {
6049 let row = display_row_range.start;
6050
6051 let offset = ScrollPixelOffset::from(line_height / 2.);
6052 let start_y =
6053 (row.as_f64() * ScrollPixelOffset::from(line_height) - offset - scroll_top)
6054 .into();
6055 let end_y = start_y + line_height;
6056
6057 let width = (0.35 * line_height).floor();
6058 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6059 let highlight_size = size(width, end_y - start_y);
6060 Bounds::new(highlight_origin, highlight_size)
6061 } else {
6062 let start_row = display_row_range.start;
6063 let end_row = display_row_range.end;
6064 // If we're in a multibuffer, row range span might include an
6065 // excerpt header, so if we were to draw the marker straight away,
6066 // the hunk might include the rows of that header.
6067 // Making the range inclusive doesn't quite cut it, as we rely on the exclusivity for the soft wrap.
6068 // Instead, we simply check whether the range we're dealing with includes
6069 // any excerpt headers and if so, we stop painting the diff hunk on the first row of that header.
6070 let end_row_in_current_excerpt = snapshot
6071 .blocks_in_range(start_row..end_row)
6072 .find_map(|(start_row, block)| {
6073 if matches!(
6074 block,
6075 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
6076 ) {
6077 Some(start_row)
6078 } else {
6079 None
6080 }
6081 })
6082 .unwrap_or(end_row);
6083
6084 let start_y = (start_row.as_f64() * ScrollPixelOffset::from(line_height)
6085 - scroll_top)
6086 .into();
6087 let end_y = Pixels::from(
6088 end_row_in_current_excerpt.as_f64() * ScrollPixelOffset::from(line_height)
6089 - scroll_top,
6090 );
6091
6092 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6093 let highlight_size = size(gutter_strip_width, end_y - start_y);
6094 Bounds::new(highlight_origin, highlight_size)
6095 }
6096 }
6097 }
6098 }
6099
6100 fn paint_gutter_indicators(
6101 &self,
6102 layout: &mut EditorLayout,
6103 window: &mut Window,
6104 cx: &mut App,
6105 ) {
6106 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6107 window.with_element_namespace("crease_toggles", |window| {
6108 for crease_toggle in layout.crease_toggles.iter_mut().flatten() {
6109 crease_toggle.paint(window, cx);
6110 }
6111 });
6112
6113 window.with_element_namespace("expand_toggles", |window| {
6114 for (expand_toggle, _) in layout.expand_toggles.iter_mut().flatten() {
6115 expand_toggle.paint(window, cx);
6116 }
6117 });
6118
6119 for breakpoint in layout.breakpoints.iter_mut() {
6120 breakpoint.paint(window, cx);
6121 }
6122
6123 for test_indicator in layout.test_indicators.iter_mut() {
6124 test_indicator.paint(window, cx);
6125 }
6126 });
6127 }
6128
6129 fn paint_gutter_highlights(
6130 &self,
6131 layout: &mut EditorLayout,
6132 window: &mut Window,
6133 cx: &mut App,
6134 ) {
6135 for (_, hunk_hitbox) in &layout.display_hunks {
6136 if let Some(hunk_hitbox) = hunk_hitbox
6137 && !self
6138 .editor
6139 .read(cx)
6140 .buffer()
6141 .read(cx)
6142 .all_diff_hunks_expanded()
6143 {
6144 window.set_cursor_style(CursorStyle::PointingHand, hunk_hitbox);
6145 }
6146 }
6147
6148 let show_git_gutter = layout
6149 .position_map
6150 .snapshot
6151 .show_git_diff_gutter
6152 .unwrap_or_else(|| {
6153 matches!(
6154 ProjectSettings::get_global(cx).git.git_gutter,
6155 GitGutterSetting::TrackedFiles
6156 )
6157 });
6158 if show_git_gutter {
6159 Self::paint_gutter_diff_hunks(layout, window, cx)
6160 }
6161
6162 let highlight_width = 0.275 * layout.position_map.line_height;
6163 let highlight_corner_radii = Corners::all(0.05 * layout.position_map.line_height);
6164 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6165 for (range, color) in &layout.highlighted_gutter_ranges {
6166 let start_row = if range.start.row() < layout.visible_display_row_range.start {
6167 layout.visible_display_row_range.start - DisplayRow(1)
6168 } else {
6169 range.start.row()
6170 };
6171 let end_row = if range.end.row() > layout.visible_display_row_range.end {
6172 layout.visible_display_row_range.end + DisplayRow(1)
6173 } else {
6174 range.end.row()
6175 };
6176
6177 let start_y = layout.gutter_hitbox.top()
6178 + Pixels::from(
6179 start_row.0 as f64
6180 * ScrollPixelOffset::from(layout.position_map.line_height)
6181 - layout.position_map.scroll_pixel_position.y,
6182 );
6183 let end_y = layout.gutter_hitbox.top()
6184 + Pixels::from(
6185 (end_row.0 + 1) as f64
6186 * ScrollPixelOffset::from(layout.position_map.line_height)
6187 - layout.position_map.scroll_pixel_position.y,
6188 );
6189 let bounds = Bounds::from_corners(
6190 point(layout.gutter_hitbox.left(), start_y),
6191 point(layout.gutter_hitbox.left() + highlight_width, end_y),
6192 );
6193 window.paint_quad(fill(bounds, *color).corner_radii(highlight_corner_radii));
6194 }
6195 });
6196 }
6197
6198 fn paint_blamed_display_rows(
6199 &self,
6200 layout: &mut EditorLayout,
6201 window: &mut Window,
6202 cx: &mut App,
6203 ) {
6204 let Some(blamed_display_rows) = layout.blamed_display_rows.take() else {
6205 return;
6206 };
6207
6208 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6209 for mut blame_element in blamed_display_rows.into_iter() {
6210 blame_element.paint(window, cx);
6211 }
6212 })
6213 }
6214
6215 fn paint_text(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6216 window.with_content_mask(
6217 Some(ContentMask {
6218 bounds: layout.position_map.text_hitbox.bounds,
6219 }),
6220 |window| {
6221 let editor = self.editor.read(cx);
6222 if editor.mouse_cursor_hidden {
6223 window.set_window_cursor_style(CursorStyle::None);
6224 } else if let SelectionDragState::ReadyToDrag {
6225 mouse_down_time, ..
6226 } = &editor.selection_drag_state
6227 {
6228 let drag_and_drop_delay = Duration::from_millis(
6229 EditorSettings::get_global(cx)
6230 .drag_and_drop_selection
6231 .delay
6232 .0,
6233 );
6234 if mouse_down_time.elapsed() >= drag_and_drop_delay {
6235 window.set_cursor_style(
6236 CursorStyle::DragCopy,
6237 &layout.position_map.text_hitbox,
6238 );
6239 }
6240 } else if matches!(
6241 editor.selection_drag_state,
6242 SelectionDragState::Dragging { .. }
6243 ) {
6244 window
6245 .set_cursor_style(CursorStyle::DragCopy, &layout.position_map.text_hitbox);
6246 } else if editor
6247 .hovered_link_state
6248 .as_ref()
6249 .is_some_and(|hovered_link_state| !hovered_link_state.links.is_empty())
6250 {
6251 window.set_cursor_style(
6252 CursorStyle::PointingHand,
6253 &layout.position_map.text_hitbox,
6254 );
6255 } else {
6256 window.set_cursor_style(CursorStyle::IBeam, &layout.position_map.text_hitbox);
6257 };
6258
6259 self.paint_lines_background(layout, window, cx);
6260 let invisible_display_ranges = self.paint_highlights(layout, window, cx);
6261 self.paint_document_colors(layout, window);
6262 self.paint_lines(&invisible_display_ranges, layout, window, cx);
6263 self.paint_redactions(layout, window);
6264 self.paint_cursors(layout, window, cx);
6265 self.paint_inline_diagnostics(layout, window, cx);
6266 self.paint_inline_blame(layout, window, cx);
6267 self.paint_inline_code_actions(layout, window, cx);
6268 self.paint_diff_hunk_controls(layout, window, cx);
6269 window.with_element_namespace("crease_trailers", |window| {
6270 for trailer in layout.crease_trailers.iter_mut().flatten() {
6271 trailer.element.paint(window, cx);
6272 }
6273 });
6274 },
6275 )
6276 }
6277
6278 fn paint_highlights(
6279 &mut self,
6280 layout: &mut EditorLayout,
6281 window: &mut Window,
6282 cx: &mut App,
6283 ) -> SmallVec<[Range<DisplayPoint>; 32]> {
6284 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6285 let mut invisible_display_ranges = SmallVec::<[Range<DisplayPoint>; 32]>::new();
6286 let line_end_overshoot = 0.15 * layout.position_map.line_height;
6287 for (range, color) in &layout.highlighted_ranges {
6288 self.paint_highlighted_range(
6289 range.clone(),
6290 true,
6291 *color,
6292 Pixels::ZERO,
6293 line_end_overshoot,
6294 layout,
6295 window,
6296 );
6297 }
6298
6299 let corner_radius = if EditorSettings::get_global(cx).rounded_selection {
6300 0.15 * layout.position_map.line_height
6301 } else {
6302 Pixels::ZERO
6303 };
6304
6305 for (player_color, selections) in &layout.selections {
6306 for selection in selections.iter() {
6307 self.paint_highlighted_range(
6308 selection.range.clone(),
6309 true,
6310 player_color.selection,
6311 corner_radius,
6312 corner_radius * 2.,
6313 layout,
6314 window,
6315 );
6316
6317 if selection.is_local && !selection.range.is_empty() {
6318 invisible_display_ranges.push(selection.range.clone());
6319 }
6320 }
6321 }
6322 invisible_display_ranges
6323 })
6324 }
6325
6326 fn paint_lines(
6327 &mut self,
6328 invisible_display_ranges: &[Range<DisplayPoint>],
6329 layout: &mut EditorLayout,
6330 window: &mut Window,
6331 cx: &mut App,
6332 ) {
6333 let whitespace_setting = self
6334 .editor
6335 .read(cx)
6336 .buffer
6337 .read(cx)
6338 .language_settings(cx)
6339 .show_whitespaces;
6340
6341 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6342 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6343 line_with_invisibles.draw(
6344 layout,
6345 row,
6346 layout.content_origin,
6347 whitespace_setting,
6348 invisible_display_ranges,
6349 window,
6350 cx,
6351 )
6352 }
6353
6354 for line_element in &mut layout.line_elements {
6355 line_element.paint(window, cx);
6356 }
6357 }
6358
6359 fn paint_lines_background(
6360 &mut self,
6361 layout: &mut EditorLayout,
6362 window: &mut Window,
6363 cx: &mut App,
6364 ) {
6365 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6366 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6367 line_with_invisibles.draw_background(layout, row, layout.content_origin, window, cx);
6368 }
6369 }
6370
6371 fn paint_redactions(&mut self, layout: &EditorLayout, window: &mut Window) {
6372 if layout.redacted_ranges.is_empty() {
6373 return;
6374 }
6375
6376 let line_end_overshoot = layout.line_end_overshoot();
6377
6378 // A softer than perfect black
6379 let redaction_color = gpui::rgb(0x0e1111);
6380
6381 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6382 for range in layout.redacted_ranges.iter() {
6383 self.paint_highlighted_range(
6384 range.clone(),
6385 true,
6386 redaction_color.into(),
6387 Pixels::ZERO,
6388 line_end_overshoot,
6389 layout,
6390 window,
6391 );
6392 }
6393 });
6394 }
6395
6396 fn paint_document_colors(&self, layout: &mut EditorLayout, window: &mut Window) {
6397 let Some((colors_render_mode, image_colors)) = &layout.document_colors else {
6398 return;
6399 };
6400 if image_colors.is_empty()
6401 || colors_render_mode == &DocumentColorsRenderMode::None
6402 || colors_render_mode == &DocumentColorsRenderMode::Inlay
6403 {
6404 return;
6405 }
6406
6407 let line_end_overshoot = layout.line_end_overshoot();
6408
6409 for (range, color) in image_colors {
6410 match colors_render_mode {
6411 DocumentColorsRenderMode::Inlay | DocumentColorsRenderMode::None => return,
6412 DocumentColorsRenderMode::Background => {
6413 self.paint_highlighted_range(
6414 range.clone(),
6415 true,
6416 *color,
6417 Pixels::ZERO,
6418 line_end_overshoot,
6419 layout,
6420 window,
6421 );
6422 }
6423 DocumentColorsRenderMode::Border => {
6424 self.paint_highlighted_range(
6425 range.clone(),
6426 false,
6427 *color,
6428 Pixels::ZERO,
6429 line_end_overshoot,
6430 layout,
6431 window,
6432 );
6433 }
6434 }
6435 }
6436 }
6437
6438 fn paint_cursors(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6439 for cursor in &mut layout.visible_cursors {
6440 cursor.paint(layout.content_origin, window, cx);
6441 }
6442 }
6443
6444 fn paint_scrollbars(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6445 let Some(scrollbars_layout) = layout.scrollbars_layout.take() else {
6446 return;
6447 };
6448 let any_scrollbar_dragged = self.editor.read(cx).scroll_manager.any_scrollbar_dragged();
6449
6450 for (scrollbar_layout, axis) in scrollbars_layout.iter_scrollbars() {
6451 let hitbox = &scrollbar_layout.hitbox;
6452 if scrollbars_layout.visible {
6453 let scrollbar_edges = match axis {
6454 ScrollbarAxis::Horizontal => Edges {
6455 top: Pixels::ZERO,
6456 right: Pixels::ZERO,
6457 bottom: Pixels::ZERO,
6458 left: Pixels::ZERO,
6459 },
6460 ScrollbarAxis::Vertical => Edges {
6461 top: Pixels::ZERO,
6462 right: Pixels::ZERO,
6463 bottom: Pixels::ZERO,
6464 left: ScrollbarLayout::BORDER_WIDTH,
6465 },
6466 };
6467
6468 window.paint_layer(hitbox.bounds, |window| {
6469 window.paint_quad(quad(
6470 hitbox.bounds,
6471 Corners::default(),
6472 cx.theme().colors().scrollbar_track_background,
6473 scrollbar_edges,
6474 cx.theme().colors().scrollbar_track_border,
6475 BorderStyle::Solid,
6476 ));
6477
6478 if axis == ScrollbarAxis::Vertical {
6479 let fast_markers =
6480 self.collect_fast_scrollbar_markers(layout, scrollbar_layout, cx);
6481 // Refresh slow scrollbar markers in the background. Below, we
6482 // paint whatever markers have already been computed.
6483 self.refresh_slow_scrollbar_markers(layout, scrollbar_layout, window, cx);
6484
6485 let markers = self.editor.read(cx).scrollbar_marker_state.markers.clone();
6486 for marker in markers.iter().chain(&fast_markers) {
6487 let mut marker = marker.clone();
6488 marker.bounds.origin += hitbox.origin;
6489 window.paint_quad(marker);
6490 }
6491 }
6492
6493 if let Some(thumb_bounds) = scrollbar_layout.thumb_bounds {
6494 let scrollbar_thumb_color = match scrollbar_layout.thumb_state {
6495 ScrollbarThumbState::Dragging => {
6496 cx.theme().colors().scrollbar_thumb_active_background
6497 }
6498 ScrollbarThumbState::Hovered => {
6499 cx.theme().colors().scrollbar_thumb_hover_background
6500 }
6501 ScrollbarThumbState::Idle => {
6502 cx.theme().colors().scrollbar_thumb_background
6503 }
6504 };
6505 window.paint_quad(quad(
6506 thumb_bounds,
6507 Corners::default(),
6508 scrollbar_thumb_color,
6509 scrollbar_edges,
6510 cx.theme().colors().scrollbar_thumb_border,
6511 BorderStyle::Solid,
6512 ));
6513
6514 if any_scrollbar_dragged {
6515 window.set_window_cursor_style(CursorStyle::Arrow);
6516 } else {
6517 window.set_cursor_style(CursorStyle::Arrow, hitbox);
6518 }
6519 }
6520 })
6521 }
6522 }
6523
6524 window.on_mouse_event({
6525 let editor = self.editor.clone();
6526 let scrollbars_layout = scrollbars_layout.clone();
6527
6528 let mut mouse_position = window.mouse_position();
6529 move |event: &MouseMoveEvent, phase, window, cx| {
6530 if phase == DispatchPhase::Capture {
6531 return;
6532 }
6533
6534 editor.update(cx, |editor, cx| {
6535 if let Some((scrollbar_layout, axis)) = event
6536 .pressed_button
6537 .filter(|button| *button == MouseButton::Left)
6538 .and(editor.scroll_manager.dragging_scrollbar_axis())
6539 .and_then(|axis| {
6540 scrollbars_layout
6541 .iter_scrollbars()
6542 .find(|(_, a)| *a == axis)
6543 })
6544 {
6545 let ScrollbarLayout {
6546 hitbox,
6547 text_unit_size,
6548 ..
6549 } = scrollbar_layout;
6550
6551 let old_position = mouse_position.along(axis);
6552 let new_position = event.position.along(axis);
6553 if (hitbox.origin.along(axis)..hitbox.bottom_right().along(axis))
6554 .contains(&old_position)
6555 {
6556 let position = editor.scroll_position(cx).apply_along(axis, |p| {
6557 (p + ScrollOffset::from(
6558 (new_position - old_position) / *text_unit_size,
6559 ))
6560 .max(0.)
6561 });
6562 editor.set_scroll_position(position, window, cx);
6563 }
6564
6565 editor.scroll_manager.show_scrollbars(window, cx);
6566 cx.stop_propagation();
6567 } else if let Some((layout, axis)) = scrollbars_layout
6568 .get_hovered_axis(window)
6569 .filter(|_| !event.dragging())
6570 {
6571 if layout.thumb_hovered(&event.position) {
6572 editor
6573 .scroll_manager
6574 .set_hovered_scroll_thumb_axis(axis, cx);
6575 } else {
6576 editor.scroll_manager.reset_scrollbar_state(cx);
6577 }
6578
6579 editor.scroll_manager.show_scrollbars(window, cx);
6580 } else {
6581 editor.scroll_manager.reset_scrollbar_state(cx);
6582 }
6583
6584 mouse_position = event.position;
6585 })
6586 }
6587 });
6588
6589 if any_scrollbar_dragged {
6590 window.on_mouse_event({
6591 let editor = self.editor.clone();
6592 move |_: &MouseUpEvent, phase, window, cx| {
6593 if phase == DispatchPhase::Capture {
6594 return;
6595 }
6596
6597 editor.update(cx, |editor, cx| {
6598 if let Some((_, axis)) = scrollbars_layout.get_hovered_axis(window) {
6599 editor
6600 .scroll_manager
6601 .set_hovered_scroll_thumb_axis(axis, cx);
6602 } else {
6603 editor.scroll_manager.reset_scrollbar_state(cx);
6604 }
6605 cx.stop_propagation();
6606 });
6607 }
6608 });
6609 } else {
6610 window.on_mouse_event({
6611 let editor = self.editor.clone();
6612
6613 move |event: &MouseDownEvent, phase, window, cx| {
6614 if phase == DispatchPhase::Capture {
6615 return;
6616 }
6617 let Some((scrollbar_layout, axis)) = scrollbars_layout.get_hovered_axis(window)
6618 else {
6619 return;
6620 };
6621
6622 let ScrollbarLayout {
6623 hitbox,
6624 visible_range,
6625 text_unit_size,
6626 thumb_bounds,
6627 ..
6628 } = scrollbar_layout;
6629
6630 let Some(thumb_bounds) = thumb_bounds else {
6631 return;
6632 };
6633
6634 editor.update(cx, |editor, cx| {
6635 editor
6636 .scroll_manager
6637 .set_dragged_scroll_thumb_axis(axis, cx);
6638
6639 let event_position = event.position.along(axis);
6640
6641 if event_position < thumb_bounds.origin.along(axis)
6642 || thumb_bounds.bottom_right().along(axis) < event_position
6643 {
6644 let center_position = ((event_position - hitbox.origin.along(axis))
6645 / *text_unit_size)
6646 .round() as u32;
6647 let start_position = center_position.saturating_sub(
6648 (visible_range.end - visible_range.start) as u32 / 2,
6649 );
6650
6651 let position = editor
6652 .scroll_position(cx)
6653 .apply_along(axis, |_| start_position as ScrollOffset);
6654
6655 editor.set_scroll_position(position, window, cx);
6656 } else {
6657 editor.scroll_manager.show_scrollbars(window, cx);
6658 }
6659
6660 cx.stop_propagation();
6661 });
6662 }
6663 });
6664 }
6665 }
6666
6667 fn collect_fast_scrollbar_markers(
6668 &self,
6669 layout: &EditorLayout,
6670 scrollbar_layout: &ScrollbarLayout,
6671 cx: &mut App,
6672 ) -> Vec<PaintQuad> {
6673 const LIMIT: usize = 100;
6674 if !EditorSettings::get_global(cx).scrollbar.cursors || layout.cursors.len() > LIMIT {
6675 return vec![];
6676 }
6677 let cursor_ranges = layout
6678 .cursors
6679 .iter()
6680 .map(|(point, color)| ColoredRange {
6681 start: point.row(),
6682 end: point.row(),
6683 color: *color,
6684 })
6685 .collect_vec();
6686 scrollbar_layout.marker_quads_for_ranges(cursor_ranges, None)
6687 }
6688
6689 fn refresh_slow_scrollbar_markers(
6690 &self,
6691 layout: &EditorLayout,
6692 scrollbar_layout: &ScrollbarLayout,
6693 window: &mut Window,
6694 cx: &mut App,
6695 ) {
6696 self.editor.update(cx, |editor, cx| {
6697 if editor.buffer_kind(cx) != ItemBufferKind::Singleton
6698 || !editor
6699 .scrollbar_marker_state
6700 .should_refresh(scrollbar_layout.hitbox.size)
6701 {
6702 return;
6703 }
6704
6705 let scrollbar_layout = scrollbar_layout.clone();
6706 let background_highlights = editor.background_highlights.clone();
6707 let snapshot = layout.position_map.snapshot.clone();
6708 let theme = cx.theme().clone();
6709 let scrollbar_settings = EditorSettings::get_global(cx).scrollbar;
6710
6711 editor.scrollbar_marker_state.dirty = false;
6712 editor.scrollbar_marker_state.pending_refresh =
6713 Some(cx.spawn_in(window, async move |editor, cx| {
6714 let scrollbar_size = scrollbar_layout.hitbox.size;
6715 let scrollbar_markers = cx
6716 .background_spawn(async move {
6717 let max_point = snapshot.display_snapshot.buffer_snapshot().max_point();
6718 let mut marker_quads = Vec::new();
6719 if scrollbar_settings.git_diff {
6720 let marker_row_ranges =
6721 snapshot.buffer_snapshot().diff_hunks().map(|hunk| {
6722 let start_display_row =
6723 MultiBufferPoint::new(hunk.row_range.start.0, 0)
6724 .to_display_point(&snapshot.display_snapshot)
6725 .row();
6726 let mut end_display_row =
6727 MultiBufferPoint::new(hunk.row_range.end.0, 0)
6728 .to_display_point(&snapshot.display_snapshot)
6729 .row();
6730 if end_display_row != start_display_row {
6731 end_display_row.0 -= 1;
6732 }
6733 let color = match &hunk.status().kind {
6734 DiffHunkStatusKind::Added => {
6735 theme.colors().version_control_added
6736 }
6737 DiffHunkStatusKind::Modified => {
6738 theme.colors().version_control_modified
6739 }
6740 DiffHunkStatusKind::Deleted => {
6741 theme.colors().version_control_deleted
6742 }
6743 };
6744 ColoredRange {
6745 start: start_display_row,
6746 end: end_display_row,
6747 color,
6748 }
6749 });
6750
6751 marker_quads.extend(
6752 scrollbar_layout
6753 .marker_quads_for_ranges(marker_row_ranges, Some(0)),
6754 );
6755 }
6756
6757 for (background_highlight_id, (_, background_ranges)) in
6758 background_highlights.iter()
6759 {
6760 let is_search_highlights = *background_highlight_id
6761 == HighlightKey::Type(TypeId::of::<BufferSearchHighlights>());
6762 let is_text_highlights = *background_highlight_id
6763 == HighlightKey::Type(TypeId::of::<SelectedTextHighlight>());
6764 let is_symbol_occurrences = *background_highlight_id
6765 == HighlightKey::Type(TypeId::of::<DocumentHighlightRead>())
6766 || *background_highlight_id
6767 == HighlightKey::Type(
6768 TypeId::of::<DocumentHighlightWrite>(),
6769 );
6770 if (is_search_highlights && scrollbar_settings.search_results)
6771 || (is_text_highlights && scrollbar_settings.selected_text)
6772 || (is_symbol_occurrences && scrollbar_settings.selected_symbol)
6773 {
6774 let mut color = theme.status().info;
6775 if is_symbol_occurrences {
6776 color.fade_out(0.5);
6777 }
6778 let marker_row_ranges = background_ranges.iter().map(|range| {
6779 let display_start = range
6780 .start
6781 .to_display_point(&snapshot.display_snapshot);
6782 let display_end =
6783 range.end.to_display_point(&snapshot.display_snapshot);
6784 ColoredRange {
6785 start: display_start.row(),
6786 end: display_end.row(),
6787 color,
6788 }
6789 });
6790 marker_quads.extend(
6791 scrollbar_layout
6792 .marker_quads_for_ranges(marker_row_ranges, Some(1)),
6793 );
6794 }
6795 }
6796
6797 if scrollbar_settings.diagnostics != ScrollbarDiagnostics::None {
6798 let diagnostics = snapshot
6799 .buffer_snapshot()
6800 .diagnostics_in_range::<Point>(Point::zero()..max_point)
6801 // Don't show diagnostics the user doesn't care about
6802 .filter(|diagnostic| {
6803 match (
6804 scrollbar_settings.diagnostics,
6805 diagnostic.diagnostic.severity,
6806 ) {
6807 (ScrollbarDiagnostics::All, _) => true,
6808 (
6809 ScrollbarDiagnostics::Error,
6810 lsp::DiagnosticSeverity::ERROR,
6811 ) => true,
6812 (
6813 ScrollbarDiagnostics::Warning,
6814 lsp::DiagnosticSeverity::ERROR
6815 | lsp::DiagnosticSeverity::WARNING,
6816 ) => true,
6817 (
6818 ScrollbarDiagnostics::Information,
6819 lsp::DiagnosticSeverity::ERROR
6820 | lsp::DiagnosticSeverity::WARNING
6821 | lsp::DiagnosticSeverity::INFORMATION,
6822 ) => true,
6823 (_, _) => false,
6824 }
6825 })
6826 // We want to sort by severity, in order to paint the most severe diagnostics last.
6827 .sorted_by_key(|diagnostic| {
6828 std::cmp::Reverse(diagnostic.diagnostic.severity)
6829 });
6830
6831 let marker_row_ranges = diagnostics.into_iter().map(|diagnostic| {
6832 let start_display = diagnostic
6833 .range
6834 .start
6835 .to_display_point(&snapshot.display_snapshot);
6836 let end_display = diagnostic
6837 .range
6838 .end
6839 .to_display_point(&snapshot.display_snapshot);
6840 let color = match diagnostic.diagnostic.severity {
6841 lsp::DiagnosticSeverity::ERROR => theme.status().error,
6842 lsp::DiagnosticSeverity::WARNING => theme.status().warning,
6843 lsp::DiagnosticSeverity::INFORMATION => theme.status().info,
6844 _ => theme.status().hint,
6845 };
6846 ColoredRange {
6847 start: start_display.row(),
6848 end: end_display.row(),
6849 color,
6850 }
6851 });
6852 marker_quads.extend(
6853 scrollbar_layout
6854 .marker_quads_for_ranges(marker_row_ranges, Some(2)),
6855 );
6856 }
6857
6858 Arc::from(marker_quads)
6859 })
6860 .await;
6861
6862 editor.update(cx, |editor, cx| {
6863 editor.scrollbar_marker_state.markers = scrollbar_markers;
6864 editor.scrollbar_marker_state.scrollbar_size = scrollbar_size;
6865 editor.scrollbar_marker_state.pending_refresh = None;
6866 cx.notify();
6867 })?;
6868
6869 Ok(())
6870 }));
6871 });
6872 }
6873
6874 fn paint_highlighted_range(
6875 &self,
6876 range: Range<DisplayPoint>,
6877 fill: bool,
6878 color: Hsla,
6879 corner_radius: Pixels,
6880 line_end_overshoot: Pixels,
6881 layout: &EditorLayout,
6882 window: &mut Window,
6883 ) {
6884 let start_row = layout.visible_display_row_range.start;
6885 let end_row = layout.visible_display_row_range.end;
6886 if range.start != range.end {
6887 let row_range = if range.end.column() == 0 {
6888 cmp::max(range.start.row(), start_row)..cmp::min(range.end.row(), end_row)
6889 } else {
6890 cmp::max(range.start.row(), start_row)
6891 ..cmp::min(range.end.row().next_row(), end_row)
6892 };
6893
6894 let highlighted_range = HighlightedRange {
6895 color,
6896 line_height: layout.position_map.line_height,
6897 corner_radius,
6898 start_y: layout.content_origin.y
6899 + Pixels::from(
6900 (row_range.start.as_f64() - layout.position_map.scroll_position.y)
6901 * ScrollOffset::from(layout.position_map.line_height),
6902 ),
6903 lines: row_range
6904 .iter_rows()
6905 .map(|row| {
6906 let line_layout =
6907 &layout.position_map.line_layouts[row.minus(start_row) as usize];
6908 HighlightedRangeLine {
6909 start_x: if row == range.start.row() {
6910 layout.content_origin.x
6911 + Pixels::from(
6912 ScrollPixelOffset::from(
6913 line_layout.x_for_index(range.start.column() as usize),
6914 ) - layout.position_map.scroll_pixel_position.x,
6915 )
6916 } else {
6917 layout.content_origin.x
6918 - Pixels::from(layout.position_map.scroll_pixel_position.x)
6919 },
6920 end_x: if row == range.end.row() {
6921 layout.content_origin.x
6922 + Pixels::from(
6923 ScrollPixelOffset::from(
6924 line_layout.x_for_index(range.end.column() as usize),
6925 ) - layout.position_map.scroll_pixel_position.x,
6926 )
6927 } else {
6928 Pixels::from(
6929 ScrollPixelOffset::from(
6930 layout.content_origin.x
6931 + line_layout.width
6932 + line_end_overshoot,
6933 ) - layout.position_map.scroll_pixel_position.x,
6934 )
6935 },
6936 }
6937 })
6938 .collect(),
6939 };
6940
6941 highlighted_range.paint(fill, layout.position_map.text_hitbox.bounds, window);
6942 }
6943 }
6944
6945 fn paint_inline_diagnostics(
6946 &mut self,
6947 layout: &mut EditorLayout,
6948 window: &mut Window,
6949 cx: &mut App,
6950 ) {
6951 for mut inline_diagnostic in layout.inline_diagnostics.drain() {
6952 inline_diagnostic.1.paint(window, cx);
6953 }
6954 }
6955
6956 fn paint_inline_blame(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6957 if let Some(mut blame_layout) = layout.inline_blame_layout.take() {
6958 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6959 blame_layout.element.paint(window, cx);
6960 })
6961 }
6962 }
6963
6964 fn paint_inline_code_actions(
6965 &mut self,
6966 layout: &mut EditorLayout,
6967 window: &mut Window,
6968 cx: &mut App,
6969 ) {
6970 if let Some(mut inline_code_actions) = layout.inline_code_actions.take() {
6971 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6972 inline_code_actions.paint(window, cx);
6973 })
6974 }
6975 }
6976
6977 fn paint_diff_hunk_controls(
6978 &mut self,
6979 layout: &mut EditorLayout,
6980 window: &mut Window,
6981 cx: &mut App,
6982 ) {
6983 for mut diff_hunk_control in layout.diff_hunk_controls.drain(..) {
6984 diff_hunk_control.paint(window, cx);
6985 }
6986 }
6987
6988 fn paint_minimap(&self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6989 if let Some(mut layout) = layout.minimap.take() {
6990 let minimap_hitbox = layout.thumb_layout.hitbox.clone();
6991 let dragging_minimap = self.editor.read(cx).scroll_manager.is_dragging_minimap();
6992
6993 window.paint_layer(layout.thumb_layout.hitbox.bounds, |window| {
6994 window.with_element_namespace("minimap", |window| {
6995 layout.minimap.paint(window, cx);
6996 if let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds {
6997 let minimap_thumb_color = match layout.thumb_layout.thumb_state {
6998 ScrollbarThumbState::Idle => {
6999 cx.theme().colors().minimap_thumb_background
7000 }
7001 ScrollbarThumbState::Hovered => {
7002 cx.theme().colors().minimap_thumb_hover_background
7003 }
7004 ScrollbarThumbState::Dragging => {
7005 cx.theme().colors().minimap_thumb_active_background
7006 }
7007 };
7008 let minimap_thumb_border = match layout.thumb_border_style {
7009 MinimapThumbBorder::Full => Edges::all(ScrollbarLayout::BORDER_WIDTH),
7010 MinimapThumbBorder::LeftOnly => Edges {
7011 left: ScrollbarLayout::BORDER_WIDTH,
7012 ..Default::default()
7013 },
7014 MinimapThumbBorder::LeftOpen => Edges {
7015 right: ScrollbarLayout::BORDER_WIDTH,
7016 top: ScrollbarLayout::BORDER_WIDTH,
7017 bottom: ScrollbarLayout::BORDER_WIDTH,
7018 ..Default::default()
7019 },
7020 MinimapThumbBorder::RightOpen => Edges {
7021 left: ScrollbarLayout::BORDER_WIDTH,
7022 top: ScrollbarLayout::BORDER_WIDTH,
7023 bottom: ScrollbarLayout::BORDER_WIDTH,
7024 ..Default::default()
7025 },
7026 MinimapThumbBorder::None => Default::default(),
7027 };
7028
7029 window.paint_layer(minimap_hitbox.bounds, |window| {
7030 window.paint_quad(quad(
7031 thumb_bounds,
7032 Corners::default(),
7033 minimap_thumb_color,
7034 minimap_thumb_border,
7035 cx.theme().colors().minimap_thumb_border,
7036 BorderStyle::Solid,
7037 ));
7038 });
7039 }
7040 });
7041 });
7042
7043 if dragging_minimap {
7044 window.set_window_cursor_style(CursorStyle::Arrow);
7045 } else {
7046 window.set_cursor_style(CursorStyle::Arrow, &minimap_hitbox);
7047 }
7048
7049 let minimap_axis = ScrollbarAxis::Vertical;
7050 let pixels_per_line = Pixels::from(
7051 ScrollPixelOffset::from(minimap_hitbox.size.height) / layout.max_scroll_top,
7052 )
7053 .min(layout.minimap_line_height);
7054
7055 let mut mouse_position = window.mouse_position();
7056
7057 window.on_mouse_event({
7058 let editor = self.editor.clone();
7059
7060 let minimap_hitbox = minimap_hitbox.clone();
7061
7062 move |event: &MouseMoveEvent, phase, window, cx| {
7063 if phase == DispatchPhase::Capture {
7064 return;
7065 }
7066
7067 editor.update(cx, |editor, cx| {
7068 if event.pressed_button == Some(MouseButton::Left)
7069 && editor.scroll_manager.is_dragging_minimap()
7070 {
7071 let old_position = mouse_position.along(minimap_axis);
7072 let new_position = event.position.along(minimap_axis);
7073 if (minimap_hitbox.origin.along(minimap_axis)
7074 ..minimap_hitbox.bottom_right().along(minimap_axis))
7075 .contains(&old_position)
7076 {
7077 let position =
7078 editor.scroll_position(cx).apply_along(minimap_axis, |p| {
7079 (p + ScrollPixelOffset::from(
7080 (new_position - old_position) / pixels_per_line,
7081 ))
7082 .max(0.)
7083 });
7084
7085 editor.set_scroll_position(position, window, cx);
7086 }
7087 cx.stop_propagation();
7088 } else if minimap_hitbox.is_hovered(window) {
7089 editor.scroll_manager.set_is_hovering_minimap_thumb(
7090 !event.dragging()
7091 && layout
7092 .thumb_layout
7093 .thumb_bounds
7094 .is_some_and(|bounds| bounds.contains(&event.position)),
7095 cx,
7096 );
7097
7098 // Stop hover events from propagating to the
7099 // underlying editor if the minimap hitbox is hovered
7100 if !event.dragging() {
7101 cx.stop_propagation();
7102 }
7103 } else {
7104 editor.scroll_manager.hide_minimap_thumb(cx);
7105 }
7106 mouse_position = event.position;
7107 });
7108 }
7109 });
7110
7111 if dragging_minimap {
7112 window.on_mouse_event({
7113 let editor = self.editor.clone();
7114 move |event: &MouseUpEvent, phase, window, cx| {
7115 if phase == DispatchPhase::Capture {
7116 return;
7117 }
7118
7119 editor.update(cx, |editor, cx| {
7120 if minimap_hitbox.is_hovered(window) {
7121 editor.scroll_manager.set_is_hovering_minimap_thumb(
7122 layout
7123 .thumb_layout
7124 .thumb_bounds
7125 .is_some_and(|bounds| bounds.contains(&event.position)),
7126 cx,
7127 );
7128 } else {
7129 editor.scroll_manager.hide_minimap_thumb(cx);
7130 }
7131 cx.stop_propagation();
7132 });
7133 }
7134 });
7135 } else {
7136 window.on_mouse_event({
7137 let editor = self.editor.clone();
7138
7139 move |event: &MouseDownEvent, phase, window, cx| {
7140 if phase == DispatchPhase::Capture || !minimap_hitbox.is_hovered(window) {
7141 return;
7142 }
7143
7144 let event_position = event.position;
7145
7146 let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds else {
7147 return;
7148 };
7149
7150 editor.update(cx, |editor, cx| {
7151 if !thumb_bounds.contains(&event_position) {
7152 let click_position =
7153 event_position.relative_to(&minimap_hitbox.origin).y;
7154
7155 let top_position = (click_position
7156 - thumb_bounds.size.along(minimap_axis) / 2.0)
7157 .max(Pixels::ZERO);
7158
7159 let scroll_offset = (layout.minimap_scroll_top
7160 + ScrollPixelOffset::from(
7161 top_position / layout.minimap_line_height,
7162 ))
7163 .min(layout.max_scroll_top);
7164
7165 let scroll_position = editor
7166 .scroll_position(cx)
7167 .apply_along(minimap_axis, |_| scroll_offset);
7168 editor.set_scroll_position(scroll_position, window, cx);
7169 }
7170
7171 editor.scroll_manager.set_is_dragging_minimap(cx);
7172 cx.stop_propagation();
7173 });
7174 }
7175 });
7176 }
7177 }
7178 }
7179
7180 fn paint_blocks(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
7181 for mut block in layout.blocks.drain(..) {
7182 if block.overlaps_gutter {
7183 block.element.paint(window, cx);
7184 } else {
7185 let mut bounds = layout.hitbox.bounds;
7186 bounds.origin.x += layout.gutter_hitbox.bounds.size.width;
7187 window.with_content_mask(Some(ContentMask { bounds }), |window| {
7188 block.element.paint(window, cx);
7189 })
7190 }
7191 }
7192 }
7193
7194 fn paint_edit_prediction_popover(
7195 &mut self,
7196 layout: &mut EditorLayout,
7197 window: &mut Window,
7198 cx: &mut App,
7199 ) {
7200 if let Some(edit_prediction_popover) = layout.edit_prediction_popover.as_mut() {
7201 edit_prediction_popover.paint(window, cx);
7202 }
7203 }
7204
7205 fn paint_mouse_context_menu(
7206 &mut self,
7207 layout: &mut EditorLayout,
7208 window: &mut Window,
7209 cx: &mut App,
7210 ) {
7211 if let Some(mouse_context_menu) = layout.mouse_context_menu.as_mut() {
7212 mouse_context_menu.paint(window, cx);
7213 }
7214 }
7215
7216 fn paint_scroll_wheel_listener(
7217 &mut self,
7218 layout: &EditorLayout,
7219 window: &mut Window,
7220 cx: &mut App,
7221 ) {
7222 window.on_mouse_event({
7223 let position_map = layout.position_map.clone();
7224 let editor = self.editor.clone();
7225 let hitbox = layout.hitbox.clone();
7226 let mut delta = ScrollDelta::default();
7227
7228 // Set a minimum scroll_sensitivity of 0.01 to make sure the user doesn't
7229 // accidentally turn off their scrolling.
7230 let base_scroll_sensitivity =
7231 EditorSettings::get_global(cx).scroll_sensitivity.max(0.01);
7232
7233 // Use a minimum fast_scroll_sensitivity for same reason above
7234 let fast_scroll_sensitivity = EditorSettings::get_global(cx)
7235 .fast_scroll_sensitivity
7236 .max(0.01);
7237
7238 move |event: &ScrollWheelEvent, phase, window, cx| {
7239 let scroll_sensitivity = {
7240 if event.modifiers.alt {
7241 fast_scroll_sensitivity
7242 } else {
7243 base_scroll_sensitivity
7244 }
7245 };
7246
7247 if phase == DispatchPhase::Bubble && hitbox.should_handle_scroll(window) {
7248 delta = delta.coalesce(event.delta);
7249 editor.update(cx, |editor, cx| {
7250 let position_map: &PositionMap = &position_map;
7251
7252 let line_height = position_map.line_height;
7253 let max_glyph_advance = position_map.em_advance;
7254 let (delta, axis) = match delta {
7255 gpui::ScrollDelta::Pixels(mut pixels) => {
7256 //Trackpad
7257 let axis = position_map.snapshot.ongoing_scroll.filter(&mut pixels);
7258 (pixels, axis)
7259 }
7260
7261 gpui::ScrollDelta::Lines(lines) => {
7262 //Not trackpad
7263 let pixels =
7264 point(lines.x * max_glyph_advance, lines.y * line_height);
7265 (pixels, None)
7266 }
7267 };
7268
7269 let current_scroll_position = position_map.snapshot.scroll_position();
7270 let x = (current_scroll_position.x
7271 * ScrollPixelOffset::from(max_glyph_advance)
7272 - ScrollPixelOffset::from(delta.x * scroll_sensitivity))
7273 / ScrollPixelOffset::from(max_glyph_advance);
7274
7275 let scale_factor = window.scale_factor();
7276 let y = (current_scroll_position.y
7277 * ScrollPixelOffset::from(line_height)
7278 * ScrollPixelOffset::from(scale_factor)
7279 - ScrollPixelOffset::from(delta.y * scroll_sensitivity))
7280 .round()
7281 / ScrollPixelOffset::from(line_height)
7282 / ScrollPixelOffset::from(scale_factor);
7283
7284 let mut scroll_position =
7285 point(x, y).clamp(&point(0., 0.), &position_map.scroll_max);
7286 let forbid_vertical_scroll = editor.scroll_manager.forbid_vertical_scroll();
7287 if forbid_vertical_scroll {
7288 scroll_position.y = current_scroll_position.y;
7289 }
7290
7291 if scroll_position != current_scroll_position {
7292 editor.scroll(scroll_position, axis, window, cx);
7293 cx.stop_propagation();
7294 } else if y < 0. {
7295 // Due to clamping, we may fail to detect cases of overscroll to the top;
7296 // We want the scroll manager to get an update in such cases and detect the change of direction
7297 // on the next frame.
7298 cx.notify();
7299 }
7300 });
7301 }
7302 }
7303 });
7304 }
7305
7306 fn paint_mouse_listeners(&mut self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
7307 if layout.mode.is_minimap() {
7308 return;
7309 }
7310
7311 self.paint_scroll_wheel_listener(layout, window, cx);
7312
7313 window.on_mouse_event({
7314 let position_map = layout.position_map.clone();
7315 let editor = self.editor.clone();
7316 let line_numbers = layout.line_numbers.clone();
7317
7318 move |event: &MouseDownEvent, phase, window, cx| {
7319 if phase == DispatchPhase::Bubble {
7320 match event.button {
7321 MouseButton::Left => editor.update(cx, |editor, cx| {
7322 let pending_mouse_down = editor
7323 .pending_mouse_down
7324 .get_or_insert_with(Default::default)
7325 .clone();
7326
7327 *pending_mouse_down.borrow_mut() = Some(event.clone());
7328
7329 Self::mouse_left_down(
7330 editor,
7331 event,
7332 &position_map,
7333 line_numbers.as_ref(),
7334 window,
7335 cx,
7336 );
7337 }),
7338 MouseButton::Right => editor.update(cx, |editor, cx| {
7339 Self::mouse_right_down(editor, event, &position_map, window, cx);
7340 }),
7341 MouseButton::Middle => editor.update(cx, |editor, cx| {
7342 Self::mouse_middle_down(editor, event, &position_map, window, cx);
7343 }),
7344 _ => {}
7345 };
7346 }
7347 }
7348 });
7349
7350 window.on_mouse_event({
7351 let editor = self.editor.clone();
7352 let position_map = layout.position_map.clone();
7353
7354 move |event: &MouseUpEvent, phase, window, cx| {
7355 if phase == DispatchPhase::Bubble {
7356 editor.update(cx, |editor, cx| {
7357 Self::mouse_up(editor, event, &position_map, window, cx)
7358 });
7359 }
7360 }
7361 });
7362
7363 window.on_mouse_event({
7364 let editor = self.editor.clone();
7365 let position_map = layout.position_map.clone();
7366 let mut captured_mouse_down = None;
7367
7368 move |event: &MouseUpEvent, phase, window, cx| match phase {
7369 // Clear the pending mouse down during the capture phase,
7370 // so that it happens even if another event handler stops
7371 // propagation.
7372 DispatchPhase::Capture => editor.update(cx, |editor, _cx| {
7373 let pending_mouse_down = editor
7374 .pending_mouse_down
7375 .get_or_insert_with(Default::default)
7376 .clone();
7377
7378 let mut pending_mouse_down = pending_mouse_down.borrow_mut();
7379 if pending_mouse_down.is_some() && position_map.text_hitbox.is_hovered(window) {
7380 captured_mouse_down = pending_mouse_down.take();
7381 window.refresh();
7382 }
7383 }),
7384 // Fire click handlers during the bubble phase.
7385 DispatchPhase::Bubble => editor.update(cx, |editor, cx| {
7386 if let Some(mouse_down) = captured_mouse_down.take() {
7387 let event = ClickEvent::Mouse(MouseClickEvent {
7388 down: mouse_down,
7389 up: event.clone(),
7390 });
7391 Self::click(editor, &event, &position_map, window, cx);
7392 }
7393 }),
7394 }
7395 });
7396
7397 window.on_mouse_event({
7398 let position_map = layout.position_map.clone();
7399 let editor = self.editor.clone();
7400
7401 move |event: &MouseMoveEvent, phase, window, cx| {
7402 if phase == DispatchPhase::Bubble {
7403 editor.update(cx, |editor, cx| {
7404 if editor.hover_state.focused(window, cx) {
7405 return;
7406 }
7407 if event.pressed_button == Some(MouseButton::Left)
7408 || event.pressed_button == Some(MouseButton::Middle)
7409 {
7410 Self::mouse_dragged(editor, event, &position_map, window, cx)
7411 }
7412
7413 Self::mouse_moved(editor, event, &position_map, window, cx)
7414 });
7415 }
7416 }
7417 });
7418 }
7419
7420 fn column_pixels(&self, column: usize, window: &Window) -> Pixels {
7421 let style = &self.style;
7422 let font_size = style.text.font_size.to_pixels(window.rem_size());
7423 let layout = window.text_system().shape_line(
7424 SharedString::from(" ".repeat(column)),
7425 font_size,
7426 &[TextRun {
7427 len: column,
7428 font: style.text.font(),
7429 color: Hsla::default(),
7430 background_color: None,
7431 underline: None,
7432 strikethrough: None,
7433 }],
7434 None,
7435 );
7436
7437 layout.width
7438 }
7439
7440 fn max_line_number_width(&self, snapshot: &EditorSnapshot, window: &mut Window) -> Pixels {
7441 let digit_count = snapshot.widest_line_number().ilog10() + 1;
7442 self.column_pixels(digit_count as usize, window)
7443 }
7444
7445 fn shape_line_number(
7446 &self,
7447 text: SharedString,
7448 color: Hsla,
7449 window: &mut Window,
7450 ) -> ShapedLine {
7451 let run = TextRun {
7452 len: text.len(),
7453 font: self.style.text.font(),
7454 color,
7455 background_color: None,
7456 underline: None,
7457 strikethrough: None,
7458 };
7459 window.text_system().shape_line(
7460 text,
7461 self.style.text.font_size.to_pixels(window.rem_size()),
7462 &[run],
7463 None,
7464 )
7465 }
7466
7467 fn diff_hunk_hollow(status: DiffHunkStatus, cx: &mut App) -> bool {
7468 let unstaged = status.has_secondary_hunk();
7469 let unstaged_hollow = matches!(
7470 ProjectSettings::get_global(cx).git.hunk_style,
7471 GitHunkStyleSetting::UnstagedHollow
7472 );
7473
7474 unstaged == unstaged_hollow
7475 }
7476
7477 #[cfg(debug_assertions)]
7478 fn layout_debug_ranges(
7479 selections: &mut Vec<(PlayerColor, Vec<SelectionLayout>)>,
7480 anchor_range: Range<Anchor>,
7481 display_snapshot: &DisplaySnapshot,
7482 cx: &App,
7483 ) {
7484 let theme = cx.theme();
7485 text::debug::GlobalDebugRanges::with_locked(|debug_ranges| {
7486 if debug_ranges.ranges.is_empty() {
7487 return;
7488 }
7489 let buffer_snapshot = &display_snapshot.buffer_snapshot();
7490 for (buffer, buffer_range, excerpt_id) in
7491 buffer_snapshot.range_to_buffer_ranges(anchor_range)
7492 {
7493 let buffer_range =
7494 buffer.anchor_after(buffer_range.start)..buffer.anchor_before(buffer_range.end);
7495 selections.extend(debug_ranges.ranges.iter().flat_map(|debug_range| {
7496 let player_color = theme
7497 .players()
7498 .color_for_participant(debug_range.occurrence_index as u32 + 1);
7499 debug_range.ranges.iter().filter_map(move |range| {
7500 if range.start.buffer_id != Some(buffer.remote_id()) {
7501 return None;
7502 }
7503 let clipped_start = range.start.max(&buffer_range.start, buffer);
7504 let clipped_end = range.end.min(&buffer_range.end, buffer);
7505 let range = buffer_snapshot
7506 .anchor_range_in_excerpt(excerpt_id, *clipped_start..*clipped_end)?;
7507 let start = range.start.to_display_point(display_snapshot);
7508 let end = range.end.to_display_point(display_snapshot);
7509 let selection_layout = SelectionLayout {
7510 head: start,
7511 range: start..end,
7512 cursor_shape: CursorShape::Bar,
7513 is_newest: false,
7514 is_local: false,
7515 active_rows: start.row()..end.row(),
7516 user_name: Some(SharedString::new(debug_range.value.clone())),
7517 };
7518 Some((player_color, vec![selection_layout]))
7519 })
7520 }));
7521 }
7522 });
7523 }
7524}
7525
7526fn header_jump_data(
7527 snapshot: &EditorSnapshot,
7528 block_row_start: DisplayRow,
7529 height: u32,
7530 for_excerpt: &ExcerptInfo,
7531) -> JumpData {
7532 let range = &for_excerpt.range;
7533 let buffer = &for_excerpt.buffer;
7534 let jump_anchor = range.primary.start;
7535
7536 let excerpt_start = range.context.start;
7537 let jump_position = language::ToPoint::to_point(&jump_anchor, buffer);
7538 let rows_from_excerpt_start = if jump_anchor == excerpt_start {
7539 0
7540 } else {
7541 let excerpt_start_point = language::ToPoint::to_point(&excerpt_start, buffer);
7542 jump_position.row.saturating_sub(excerpt_start_point.row)
7543 };
7544
7545 let line_offset_from_top = (block_row_start.0 + height + rows_from_excerpt_start)
7546 .saturating_sub(
7547 snapshot
7548 .scroll_anchor
7549 .scroll_position(&snapshot.display_snapshot)
7550 .y as u32,
7551 );
7552
7553 JumpData::MultiBufferPoint {
7554 excerpt_id: for_excerpt.id,
7555 anchor: jump_anchor,
7556 position: jump_position,
7557 line_offset_from_top,
7558 }
7559}
7560
7561pub struct AcceptEditPredictionBinding(pub(crate) Option<gpui::KeyBinding>);
7562
7563impl AcceptEditPredictionBinding {
7564 pub fn keystroke(&self) -> Option<&KeybindingKeystroke> {
7565 if let Some(binding) = self.0.as_ref() {
7566 match &binding.keystrokes() {
7567 [keystroke, ..] => Some(keystroke),
7568 _ => None,
7569 }
7570 } else {
7571 None
7572 }
7573 }
7574}
7575
7576fn prepaint_gutter_button(
7577 button: IconButton,
7578 row: DisplayRow,
7579 line_height: Pixels,
7580 gutter_dimensions: &GutterDimensions,
7581 scroll_position: gpui::Point<ScrollOffset>,
7582 gutter_hitbox: &Hitbox,
7583 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
7584 window: &mut Window,
7585 cx: &mut App,
7586) -> AnyElement {
7587 let mut button = button.into_any_element();
7588
7589 let available_space = size(
7590 AvailableSpace::MinContent,
7591 AvailableSpace::Definite(line_height),
7592 );
7593 let indicator_size = button.layout_as_root(available_space, window, cx);
7594
7595 let blame_width = gutter_dimensions.git_blame_entries_width;
7596 let gutter_width = display_hunks
7597 .binary_search_by(|(hunk, _)| match hunk {
7598 DisplayDiffHunk::Folded { display_row } => display_row.cmp(&row),
7599 DisplayDiffHunk::Unfolded {
7600 display_row_range, ..
7601 } => {
7602 if display_row_range.end <= row {
7603 Ordering::Less
7604 } else if display_row_range.start > row {
7605 Ordering::Greater
7606 } else {
7607 Ordering::Equal
7608 }
7609 }
7610 })
7611 .ok()
7612 .and_then(|ix| Some(display_hunks[ix].1.as_ref()?.size.width));
7613 let left_offset = blame_width.max(gutter_width).unwrap_or_default();
7614
7615 let mut x = left_offset;
7616 let available_width = gutter_dimensions.margin + gutter_dimensions.left_padding
7617 - indicator_size.width
7618 - left_offset;
7619 x += available_width / 2.;
7620
7621 let mut y =
7622 Pixels::from((row.as_f64() - scroll_position.y) * ScrollPixelOffset::from(line_height));
7623 y += (line_height - indicator_size.height) / 2.;
7624
7625 button.prepaint_as_root(
7626 gutter_hitbox.origin + point(x, y),
7627 available_space,
7628 window,
7629 cx,
7630 );
7631 button
7632}
7633
7634fn render_inline_blame_entry(
7635 blame_entry: BlameEntry,
7636 style: &EditorStyle,
7637 cx: &mut App,
7638) -> Option<AnyElement> {
7639 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7640 renderer.render_inline_blame_entry(&style.text, blame_entry, cx)
7641}
7642
7643fn render_blame_entry_popover(
7644 blame_entry: BlameEntry,
7645 scroll_handle: ScrollHandle,
7646 commit_message: Option<ParsedCommitMessage>,
7647 markdown: Entity<Markdown>,
7648 workspace: WeakEntity<Workspace>,
7649 blame: &Entity<GitBlame>,
7650 buffer: BufferId,
7651 window: &mut Window,
7652 cx: &mut App,
7653) -> Option<AnyElement> {
7654 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7655 let blame = blame.read(cx);
7656 let repository = blame.repository(cx, buffer)?;
7657 renderer.render_blame_entry_popover(
7658 blame_entry,
7659 scroll_handle,
7660 commit_message,
7661 markdown,
7662 repository,
7663 workspace,
7664 window,
7665 cx,
7666 )
7667}
7668
7669fn render_blame_entry(
7670 ix: usize,
7671 blame: &Entity<GitBlame>,
7672 blame_entry: BlameEntry,
7673 style: &EditorStyle,
7674 last_used_color: &mut Option<(Hsla, Oid)>,
7675 editor: Entity<Editor>,
7676 workspace: Entity<Workspace>,
7677 buffer: BufferId,
7678 renderer: &dyn BlameRenderer,
7679 window: &mut Window,
7680 cx: &mut App,
7681) -> Option<AnyElement> {
7682 let index: u32 = blame_entry.sha.into();
7683 let mut sha_color = cx.theme().players().color_for_participant(index).cursor;
7684
7685 // If the last color we used is the same as the one we get for this line, but
7686 // the commit SHAs are different, then we try again to get a different color.
7687 if let Some((color, sha)) = *last_used_color
7688 && sha != blame_entry.sha
7689 && color == sha_color
7690 {
7691 sha_color = cx.theme().players().color_for_participant(index + 1).cursor;
7692 }
7693 last_used_color.replace((sha_color, blame_entry.sha));
7694
7695 let blame = blame.read(cx);
7696 let details = blame.details_for_entry(buffer, &blame_entry);
7697 let repository = blame.repository(cx, buffer)?;
7698 renderer.render_blame_entry(
7699 &style.text,
7700 blame_entry,
7701 details,
7702 repository,
7703 workspace.downgrade(),
7704 editor,
7705 ix,
7706 sha_color,
7707 window,
7708 cx,
7709 )
7710}
7711
7712#[derive(Debug)]
7713pub(crate) struct LineWithInvisibles {
7714 fragments: SmallVec<[LineFragment; 1]>,
7715 invisibles: Vec<Invisible>,
7716 len: usize,
7717 pub(crate) width: Pixels,
7718 font_size: Pixels,
7719}
7720
7721enum LineFragment {
7722 Text(ShapedLine),
7723 Element {
7724 id: ChunkRendererId,
7725 element: Option<AnyElement>,
7726 size: Size<Pixels>,
7727 len: usize,
7728 },
7729}
7730
7731impl fmt::Debug for LineFragment {
7732 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
7733 match self {
7734 LineFragment::Text(shaped_line) => f.debug_tuple("Text").field(shaped_line).finish(),
7735 LineFragment::Element { size, len, .. } => f
7736 .debug_struct("Element")
7737 .field("size", size)
7738 .field("len", len)
7739 .finish(),
7740 }
7741 }
7742}
7743
7744impl LineWithInvisibles {
7745 fn from_chunks<'a>(
7746 chunks: impl Iterator<Item = HighlightedChunk<'a>>,
7747 editor_style: &EditorStyle,
7748 max_line_len: usize,
7749 max_line_count: usize,
7750 editor_mode: &EditorMode,
7751 text_width: Pixels,
7752 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
7753 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
7754 window: &mut Window,
7755 cx: &mut App,
7756 ) -> Vec<Self> {
7757 let text_style = &editor_style.text;
7758 let mut layouts = Vec::with_capacity(max_line_count);
7759 let mut fragments: SmallVec<[LineFragment; 1]> = SmallVec::new();
7760 let mut line = String::new();
7761 let mut invisibles = Vec::new();
7762 let mut width = Pixels::ZERO;
7763 let mut len = 0;
7764 let mut styles = Vec::new();
7765 let mut non_whitespace_added = false;
7766 let mut row = 0;
7767 let mut line_exceeded_max_len = false;
7768 let font_size = text_style.font_size.to_pixels(window.rem_size());
7769 let min_contrast = EditorSettings::get_global(cx).minimum_contrast_for_highlights;
7770
7771 let ellipsis = SharedString::from("β―");
7772
7773 for highlighted_chunk in chunks.chain([HighlightedChunk {
7774 text: "\n",
7775 style: None,
7776 is_tab: false,
7777 is_inlay: false,
7778 replacement: None,
7779 }]) {
7780 if let Some(replacement) = highlighted_chunk.replacement {
7781 if !line.is_empty() {
7782 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7783 let text_runs: &[TextRun] = if segments.is_empty() {
7784 &styles
7785 } else {
7786 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
7787 };
7788 let shaped_line = window.text_system().shape_line(
7789 line.clone().into(),
7790 font_size,
7791 text_runs,
7792 None,
7793 );
7794 width += shaped_line.width;
7795 len += shaped_line.len;
7796 fragments.push(LineFragment::Text(shaped_line));
7797 line.clear();
7798 styles.clear();
7799 }
7800
7801 match replacement {
7802 ChunkReplacement::Renderer(renderer) => {
7803 let available_width = if renderer.constrain_width {
7804 let chunk = if highlighted_chunk.text == ellipsis.as_ref() {
7805 ellipsis.clone()
7806 } else {
7807 SharedString::from(Arc::from(highlighted_chunk.text))
7808 };
7809 let shaped_line = window.text_system().shape_line(
7810 chunk,
7811 font_size,
7812 &[text_style.to_run(highlighted_chunk.text.len())],
7813 None,
7814 );
7815 AvailableSpace::Definite(shaped_line.width)
7816 } else {
7817 AvailableSpace::MinContent
7818 };
7819
7820 let mut element = (renderer.render)(&mut ChunkRendererContext {
7821 context: cx,
7822 window,
7823 max_width: text_width,
7824 });
7825 let line_height = text_style.line_height_in_pixels(window.rem_size());
7826 let size = element.layout_as_root(
7827 size(available_width, AvailableSpace::Definite(line_height)),
7828 window,
7829 cx,
7830 );
7831
7832 width += size.width;
7833 len += highlighted_chunk.text.len();
7834 fragments.push(LineFragment::Element {
7835 id: renderer.id,
7836 element: Some(element),
7837 size,
7838 len: highlighted_chunk.text.len(),
7839 });
7840 }
7841 ChunkReplacement::Str(x) => {
7842 let text_style = if let Some(style) = highlighted_chunk.style {
7843 Cow::Owned(text_style.clone().highlight(style))
7844 } else {
7845 Cow::Borrowed(text_style)
7846 };
7847
7848 let run = TextRun {
7849 len: x.len(),
7850 font: text_style.font(),
7851 color: text_style.color,
7852 background_color: text_style.background_color,
7853 underline: text_style.underline,
7854 strikethrough: text_style.strikethrough,
7855 };
7856 let line_layout = window
7857 .text_system()
7858 .shape_line(x, font_size, &[run], None)
7859 .with_len(highlighted_chunk.text.len());
7860
7861 width += line_layout.width;
7862 len += highlighted_chunk.text.len();
7863 fragments.push(LineFragment::Text(line_layout))
7864 }
7865 }
7866 } else {
7867 for (ix, mut line_chunk) in highlighted_chunk.text.split('\n').enumerate() {
7868 if ix > 0 {
7869 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7870 let text_runs = if segments.is_empty() {
7871 &styles
7872 } else {
7873 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
7874 };
7875 let shaped_line = window.text_system().shape_line(
7876 line.clone().into(),
7877 font_size,
7878 text_runs,
7879 None,
7880 );
7881 width += shaped_line.width;
7882 len += shaped_line.len;
7883 fragments.push(LineFragment::Text(shaped_line));
7884 layouts.push(Self {
7885 width: mem::take(&mut width),
7886 len: mem::take(&mut len),
7887 fragments: mem::take(&mut fragments),
7888 invisibles: std::mem::take(&mut invisibles),
7889 font_size,
7890 });
7891
7892 line.clear();
7893 styles.clear();
7894 row += 1;
7895 line_exceeded_max_len = false;
7896 non_whitespace_added = false;
7897 if row == max_line_count {
7898 return layouts;
7899 }
7900 }
7901
7902 if !line_chunk.is_empty() && !line_exceeded_max_len {
7903 let text_style = if let Some(style) = highlighted_chunk.style {
7904 Cow::Owned(text_style.clone().highlight(style))
7905 } else {
7906 Cow::Borrowed(text_style)
7907 };
7908
7909 if line.len() + line_chunk.len() > max_line_len {
7910 let mut chunk_len = max_line_len - line.len();
7911 while !line_chunk.is_char_boundary(chunk_len) {
7912 chunk_len -= 1;
7913 }
7914 line_chunk = &line_chunk[..chunk_len];
7915 line_exceeded_max_len = true;
7916 }
7917
7918 styles.push(TextRun {
7919 len: line_chunk.len(),
7920 font: text_style.font(),
7921 color: text_style.color,
7922 background_color: text_style.background_color,
7923 underline: text_style.underline,
7924 strikethrough: text_style.strikethrough,
7925 });
7926
7927 if editor_mode.is_full() && !highlighted_chunk.is_inlay {
7928 // Line wrap pads its contents with fake whitespaces,
7929 // avoid printing them
7930 let is_soft_wrapped = is_row_soft_wrapped(row);
7931 if highlighted_chunk.is_tab {
7932 if non_whitespace_added || !is_soft_wrapped {
7933 invisibles.push(Invisible::Tab {
7934 line_start_offset: line.len(),
7935 line_end_offset: line.len() + line_chunk.len(),
7936 });
7937 }
7938 } else {
7939 invisibles.extend(line_chunk.char_indices().filter_map(
7940 |(index, c)| {
7941 let is_whitespace = c.is_whitespace();
7942 non_whitespace_added |= !is_whitespace;
7943 if is_whitespace
7944 && (non_whitespace_added || !is_soft_wrapped)
7945 {
7946 Some(Invisible::Whitespace {
7947 line_offset: line.len() + index,
7948 })
7949 } else {
7950 None
7951 }
7952 },
7953 ))
7954 }
7955 }
7956
7957 line.push_str(line_chunk);
7958 }
7959 }
7960 }
7961 }
7962
7963 layouts
7964 }
7965
7966 /// Takes text runs and non-overlapping left-to-right background ranges with color.
7967 /// Returns new text runs with adjusted contrast as per background ranges.
7968 fn split_runs_by_bg_segments(
7969 text_runs: &[TextRun],
7970 bg_segments: &[(Range<DisplayPoint>, Hsla)],
7971 min_contrast: f32,
7972 start_col_offset: usize,
7973 ) -> Vec<TextRun> {
7974 let mut output_runs: Vec<TextRun> = Vec::with_capacity(text_runs.len());
7975 let mut line_col = start_col_offset;
7976 let mut segment_ix = 0usize;
7977
7978 for text_run in text_runs.iter() {
7979 let run_start_col = line_col;
7980 let run_end_col = run_start_col + text_run.len;
7981 while segment_ix < bg_segments.len()
7982 && (bg_segments[segment_ix].0.end.column() as usize) <= run_start_col
7983 {
7984 segment_ix += 1;
7985 }
7986 let mut cursor_col = run_start_col;
7987 let mut local_segment_ix = segment_ix;
7988 while local_segment_ix < bg_segments.len() {
7989 let (range, segment_color) = &bg_segments[local_segment_ix];
7990 let segment_start_col = range.start.column() as usize;
7991 let segment_end_col = range.end.column() as usize;
7992 if segment_start_col >= run_end_col {
7993 break;
7994 }
7995 if segment_start_col > cursor_col {
7996 let span_len = segment_start_col - cursor_col;
7997 output_runs.push(TextRun {
7998 len: span_len,
7999 font: text_run.font.clone(),
8000 color: text_run.color,
8001 background_color: text_run.background_color,
8002 underline: text_run.underline,
8003 strikethrough: text_run.strikethrough,
8004 });
8005 cursor_col = segment_start_col;
8006 }
8007 let segment_slice_end_col = segment_end_col.min(run_end_col);
8008 if segment_slice_end_col > cursor_col {
8009 let new_text_color =
8010 ensure_minimum_contrast(text_run.color, *segment_color, min_contrast);
8011 output_runs.push(TextRun {
8012 len: segment_slice_end_col - cursor_col,
8013 font: text_run.font.clone(),
8014 color: new_text_color,
8015 background_color: text_run.background_color,
8016 underline: text_run.underline,
8017 strikethrough: text_run.strikethrough,
8018 });
8019 cursor_col = segment_slice_end_col;
8020 }
8021 if segment_end_col >= run_end_col {
8022 break;
8023 }
8024 local_segment_ix += 1;
8025 }
8026 if cursor_col < run_end_col {
8027 output_runs.push(TextRun {
8028 len: run_end_col - cursor_col,
8029 font: text_run.font.clone(),
8030 color: text_run.color,
8031 background_color: text_run.background_color,
8032 underline: text_run.underline,
8033 strikethrough: text_run.strikethrough,
8034 });
8035 }
8036 line_col = run_end_col;
8037 segment_ix = local_segment_ix;
8038 }
8039 output_runs
8040 }
8041
8042 fn prepaint(
8043 &mut self,
8044 line_height: Pixels,
8045 scroll_position: gpui::Point<ScrollOffset>,
8046 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
8047 row: DisplayRow,
8048 content_origin: gpui::Point<Pixels>,
8049 line_elements: &mut SmallVec<[AnyElement; 1]>,
8050 window: &mut Window,
8051 cx: &mut App,
8052 ) {
8053 let line_y = f32::from(line_height) * Pixels::from(row.as_f64() - scroll_position.y);
8054 let mut fragment_origin =
8055 content_origin + gpui::point(Pixels::from(-scroll_pixel_position.x), line_y);
8056 for fragment in &mut self.fragments {
8057 match fragment {
8058 LineFragment::Text(line) => {
8059 fragment_origin.x += line.width;
8060 }
8061 LineFragment::Element { element, size, .. } => {
8062 let mut element = element
8063 .take()
8064 .expect("you can't prepaint LineWithInvisibles twice");
8065
8066 // Center the element vertically within the line.
8067 let mut element_origin = fragment_origin;
8068 element_origin.y += (line_height - size.height) / 2.;
8069 element.prepaint_at(element_origin, window, cx);
8070 line_elements.push(element);
8071
8072 fragment_origin.x += size.width;
8073 }
8074 }
8075 }
8076 }
8077
8078 fn draw(
8079 &self,
8080 layout: &EditorLayout,
8081 row: DisplayRow,
8082 content_origin: gpui::Point<Pixels>,
8083 whitespace_setting: ShowWhitespaceSetting,
8084 selection_ranges: &[Range<DisplayPoint>],
8085 window: &mut Window,
8086 cx: &mut App,
8087 ) {
8088 let line_height = layout.position_map.line_height;
8089 let line_y = line_height * (row.as_f64() - layout.position_map.scroll_position.y) as f32;
8090
8091 let mut fragment_origin = content_origin
8092 + gpui::point(
8093 Pixels::from(-layout.position_map.scroll_pixel_position.x),
8094 line_y,
8095 );
8096
8097 for fragment in &self.fragments {
8098 match fragment {
8099 LineFragment::Text(line) => {
8100 line.paint(fragment_origin, line_height, window, cx)
8101 .log_err();
8102 fragment_origin.x += line.width;
8103 }
8104 LineFragment::Element { size, .. } => {
8105 fragment_origin.x += size.width;
8106 }
8107 }
8108 }
8109
8110 self.draw_invisibles(
8111 selection_ranges,
8112 layout,
8113 content_origin,
8114 line_y,
8115 row,
8116 line_height,
8117 whitespace_setting,
8118 window,
8119 cx,
8120 );
8121 }
8122
8123 fn draw_background(
8124 &self,
8125 layout: &EditorLayout,
8126 row: DisplayRow,
8127 content_origin: gpui::Point<Pixels>,
8128 window: &mut Window,
8129 cx: &mut App,
8130 ) {
8131 let line_height = layout.position_map.line_height;
8132 let line_y = line_height * (row.as_f64() - layout.position_map.scroll_position.y) as f32;
8133
8134 let mut fragment_origin = content_origin
8135 + gpui::point(
8136 Pixels::from(-layout.position_map.scroll_pixel_position.x),
8137 line_y,
8138 );
8139
8140 for fragment in &self.fragments {
8141 match fragment {
8142 LineFragment::Text(line) => {
8143 line.paint_background(fragment_origin, line_height, window, cx)
8144 .log_err();
8145 fragment_origin.x += line.width;
8146 }
8147 LineFragment::Element { size, .. } => {
8148 fragment_origin.x += size.width;
8149 }
8150 }
8151 }
8152 }
8153
8154 fn draw_invisibles(
8155 &self,
8156 selection_ranges: &[Range<DisplayPoint>],
8157 layout: &EditorLayout,
8158 content_origin: gpui::Point<Pixels>,
8159 line_y: Pixels,
8160 row: DisplayRow,
8161 line_height: Pixels,
8162 whitespace_setting: ShowWhitespaceSetting,
8163 window: &mut Window,
8164 cx: &mut App,
8165 ) {
8166 let extract_whitespace_info = |invisible: &Invisible| {
8167 let (token_offset, token_end_offset, invisible_symbol) = match invisible {
8168 Invisible::Tab {
8169 line_start_offset,
8170 line_end_offset,
8171 } => (*line_start_offset, *line_end_offset, &layout.tab_invisible),
8172 Invisible::Whitespace { line_offset } => {
8173 (*line_offset, line_offset + 1, &layout.space_invisible)
8174 }
8175 };
8176
8177 let x_offset: ScrollPixelOffset = self.x_for_index(token_offset).into();
8178 let invisible_offset: ScrollPixelOffset =
8179 ((layout.position_map.em_width - invisible_symbol.width).max(Pixels::ZERO) / 2.0)
8180 .into();
8181 let origin = content_origin
8182 + gpui::point(
8183 Pixels::from(
8184 x_offset + invisible_offset - layout.position_map.scroll_pixel_position.x,
8185 ),
8186 line_y,
8187 );
8188
8189 (
8190 [token_offset, token_end_offset],
8191 Box::new(move |window: &mut Window, cx: &mut App| {
8192 invisible_symbol
8193 .paint(origin, line_height, window, cx)
8194 .log_err();
8195 }),
8196 )
8197 };
8198
8199 let invisible_iter = self.invisibles.iter().map(extract_whitespace_info);
8200 match whitespace_setting {
8201 ShowWhitespaceSetting::None => (),
8202 ShowWhitespaceSetting::All => invisible_iter.for_each(|(_, paint)| paint(window, cx)),
8203 ShowWhitespaceSetting::Selection => invisible_iter.for_each(|([start, _], paint)| {
8204 let invisible_point = DisplayPoint::new(row, start as u32);
8205 if !selection_ranges
8206 .iter()
8207 .any(|region| region.start <= invisible_point && invisible_point < region.end)
8208 {
8209 return;
8210 }
8211
8212 paint(window, cx);
8213 }),
8214
8215 ShowWhitespaceSetting::Trailing => {
8216 let mut previous_start = self.len;
8217 for ([start, end], paint) in invisible_iter.rev() {
8218 if previous_start != end {
8219 break;
8220 }
8221 previous_start = start;
8222 paint(window, cx);
8223 }
8224 }
8225
8226 // For a whitespace to be on a boundary, any of the following conditions need to be met:
8227 // - It is a tab
8228 // - It is adjacent to an edge (start or end)
8229 // - It is adjacent to a whitespace (left or right)
8230 ShowWhitespaceSetting::Boundary => {
8231 // 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
8232 // the above cases.
8233 // Note: We zip in the original `invisibles` to check for tab equality
8234 let mut last_seen: Option<(bool, usize, Box<dyn Fn(&mut Window, &mut App)>)> = None;
8235 for (([start, end], paint), invisible) in
8236 invisible_iter.zip_eq(self.invisibles.iter())
8237 {
8238 let should_render = match (&last_seen, invisible) {
8239 (_, Invisible::Tab { .. }) => true,
8240 (Some((_, last_end, _)), _) => *last_end == start,
8241 _ => false,
8242 };
8243
8244 if should_render || start == 0 || end == self.len {
8245 paint(window, cx);
8246
8247 // Since we are scanning from the left, we will skip over the first available whitespace that is part
8248 // of a boundary between non-whitespace segments, so we correct by manually redrawing it if needed.
8249 if let Some((should_render_last, last_end, paint_last)) = last_seen {
8250 // Note that we need to make sure that the last one is actually adjacent
8251 if !should_render_last && last_end == start {
8252 paint_last(window, cx);
8253 }
8254 }
8255 }
8256
8257 // Manually render anything within a selection
8258 let invisible_point = DisplayPoint::new(row, start as u32);
8259 if selection_ranges.iter().any(|region| {
8260 region.start <= invisible_point && invisible_point < region.end
8261 }) {
8262 paint(window, cx);
8263 }
8264
8265 last_seen = Some((should_render, end, paint));
8266 }
8267 }
8268 }
8269 }
8270
8271 pub fn x_for_index(&self, index: usize) -> Pixels {
8272 let mut fragment_start_x = Pixels::ZERO;
8273 let mut fragment_start_index = 0;
8274
8275 for fragment in &self.fragments {
8276 match fragment {
8277 LineFragment::Text(shaped_line) => {
8278 let fragment_end_index = fragment_start_index + shaped_line.len;
8279 if index < fragment_end_index {
8280 return fragment_start_x
8281 + shaped_line.x_for_index(index - fragment_start_index);
8282 }
8283 fragment_start_x += shaped_line.width;
8284 fragment_start_index = fragment_end_index;
8285 }
8286 LineFragment::Element { len, size, .. } => {
8287 let fragment_end_index = fragment_start_index + len;
8288 if index < fragment_end_index {
8289 return fragment_start_x;
8290 }
8291 fragment_start_x += size.width;
8292 fragment_start_index = fragment_end_index;
8293 }
8294 }
8295 }
8296
8297 fragment_start_x
8298 }
8299
8300 pub fn index_for_x(&self, x: Pixels) -> Option<usize> {
8301 let mut fragment_start_x = Pixels::ZERO;
8302 let mut fragment_start_index = 0;
8303
8304 for fragment in &self.fragments {
8305 match fragment {
8306 LineFragment::Text(shaped_line) => {
8307 let fragment_end_x = fragment_start_x + shaped_line.width;
8308 if x < fragment_end_x {
8309 return Some(
8310 fragment_start_index + shaped_line.index_for_x(x - fragment_start_x)?,
8311 );
8312 }
8313 fragment_start_x = fragment_end_x;
8314 fragment_start_index += shaped_line.len;
8315 }
8316 LineFragment::Element { len, size, .. } => {
8317 let fragment_end_x = fragment_start_x + size.width;
8318 if x < fragment_end_x {
8319 return Some(fragment_start_index);
8320 }
8321 fragment_start_index += len;
8322 fragment_start_x = fragment_end_x;
8323 }
8324 }
8325 }
8326
8327 None
8328 }
8329
8330 pub fn font_id_for_index(&self, index: usize) -> Option<FontId> {
8331 let mut fragment_start_index = 0;
8332
8333 for fragment in &self.fragments {
8334 match fragment {
8335 LineFragment::Text(shaped_line) => {
8336 let fragment_end_index = fragment_start_index + shaped_line.len;
8337 if index < fragment_end_index {
8338 return shaped_line.font_id_for_index(index - fragment_start_index);
8339 }
8340 fragment_start_index = fragment_end_index;
8341 }
8342 LineFragment::Element { len, .. } => {
8343 let fragment_end_index = fragment_start_index + len;
8344 if index < fragment_end_index {
8345 return None;
8346 }
8347 fragment_start_index = fragment_end_index;
8348 }
8349 }
8350 }
8351
8352 None
8353 }
8354}
8355
8356#[derive(Debug, Clone, Copy, PartialEq, Eq)]
8357enum Invisible {
8358 /// A tab character
8359 ///
8360 /// A tab character is internally represented by spaces (configured by the user's tab width)
8361 /// aligned to the nearest column, so it's necessary to store the start and end offset for
8362 /// adjacency checks.
8363 Tab {
8364 line_start_offset: usize,
8365 line_end_offset: usize,
8366 },
8367 Whitespace {
8368 line_offset: usize,
8369 },
8370}
8371
8372impl EditorElement {
8373 /// Returns the rem size to use when rendering the [`EditorElement`].
8374 ///
8375 /// This allows UI elements to scale based on the `buffer_font_size`.
8376 fn rem_size(&self, cx: &mut App) -> Option<Pixels> {
8377 match self.editor.read(cx).mode {
8378 EditorMode::Full {
8379 scale_ui_elements_with_buffer_font_size: true,
8380 ..
8381 }
8382 | EditorMode::Minimap { .. } => {
8383 let buffer_font_size = self.style.text.font_size;
8384 match buffer_font_size {
8385 AbsoluteLength::Pixels(pixels) => {
8386 let rem_size_scale = {
8387 // Our default UI font size is 14px on a 16px base scale.
8388 // This means the default UI font size is 0.875rems.
8389 let default_font_size_scale = 14. / ui::BASE_REM_SIZE_IN_PX;
8390
8391 // We then determine the delta between a single rem and the default font
8392 // size scale.
8393 let default_font_size_delta = 1. - default_font_size_scale;
8394
8395 // Finally, we add this delta to 1rem to get the scale factor that
8396 // should be used to scale up the UI.
8397 1. + default_font_size_delta
8398 };
8399
8400 Some(pixels * rem_size_scale)
8401 }
8402 AbsoluteLength::Rems(rems) => {
8403 Some(rems.to_pixels(ui::BASE_REM_SIZE_IN_PX.into()))
8404 }
8405 }
8406 }
8407 // We currently use single-line and auto-height editors in UI contexts,
8408 // so we don't want to scale everything with the buffer font size, as it
8409 // ends up looking off.
8410 _ => None,
8411 }
8412 }
8413
8414 fn editor_with_selections(&self, cx: &App) -> Option<Entity<Editor>> {
8415 if let EditorMode::Minimap { parent } = self.editor.read(cx).mode() {
8416 parent.upgrade()
8417 } else {
8418 Some(self.editor.clone())
8419 }
8420 }
8421}
8422
8423impl Element for EditorElement {
8424 type RequestLayoutState = ();
8425 type PrepaintState = EditorLayout;
8426
8427 fn id(&self) -> Option<ElementId> {
8428 None
8429 }
8430
8431 fn source_location(&self) -> Option<&'static core::panic::Location<'static>> {
8432 None
8433 }
8434
8435 fn request_layout(
8436 &mut self,
8437 _: Option<&GlobalElementId>,
8438 _inspector_id: Option<&gpui::InspectorElementId>,
8439 window: &mut Window,
8440 cx: &mut App,
8441 ) -> (gpui::LayoutId, ()) {
8442 let rem_size = self.rem_size(cx);
8443 window.with_rem_size(rem_size, |window| {
8444 self.editor.update(cx, |editor, cx| {
8445 editor.set_style(self.style.clone(), window, cx);
8446
8447 let layout_id = match editor.mode {
8448 EditorMode::SingleLine => {
8449 let rem_size = window.rem_size();
8450 let height = self.style.text.line_height_in_pixels(rem_size);
8451 let mut style = Style::default();
8452 style.size.height = height.into();
8453 style.size.width = relative(1.).into();
8454 window.request_layout(style, None, cx)
8455 }
8456 EditorMode::AutoHeight {
8457 min_lines,
8458 max_lines,
8459 } => {
8460 let editor_handle = cx.entity();
8461 let max_line_number_width =
8462 self.max_line_number_width(&editor.snapshot(window, cx), window);
8463 window.request_measured_layout(
8464 Style::default(),
8465 move |known_dimensions, available_space, window, cx| {
8466 editor_handle
8467 .update(cx, |editor, cx| {
8468 compute_auto_height_layout(
8469 editor,
8470 min_lines,
8471 max_lines,
8472 max_line_number_width,
8473 known_dimensions,
8474 available_space.width,
8475 window,
8476 cx,
8477 )
8478 })
8479 .unwrap_or_default()
8480 },
8481 )
8482 }
8483 EditorMode::Minimap { .. } => {
8484 let mut style = Style::default();
8485 style.size.width = relative(1.).into();
8486 style.size.height = relative(1.).into();
8487 window.request_layout(style, None, cx)
8488 }
8489 EditorMode::Full {
8490 sized_by_content, ..
8491 } => {
8492 let mut style = Style::default();
8493 style.size.width = relative(1.).into();
8494 if sized_by_content {
8495 let snapshot = editor.snapshot(window, cx);
8496 let line_height =
8497 self.style.text.line_height_in_pixels(window.rem_size());
8498 let scroll_height =
8499 (snapshot.max_point().row().next_row().0 as f32) * line_height;
8500 style.size.height = scroll_height.into();
8501 } else {
8502 style.size.height = relative(1.).into();
8503 }
8504 window.request_layout(style, None, cx)
8505 }
8506 };
8507
8508 (layout_id, ())
8509 })
8510 })
8511 }
8512
8513 fn prepaint(
8514 &mut self,
8515 _: Option<&GlobalElementId>,
8516 _inspector_id: Option<&gpui::InspectorElementId>,
8517 bounds: Bounds<Pixels>,
8518 _: &mut Self::RequestLayoutState,
8519 window: &mut Window,
8520 cx: &mut App,
8521 ) -> Self::PrepaintState {
8522 let text_style = TextStyleRefinement {
8523 font_size: Some(self.style.text.font_size),
8524 line_height: Some(self.style.text.line_height),
8525 ..Default::default()
8526 };
8527
8528 let is_minimap = self.editor.read(cx).mode.is_minimap();
8529
8530 if !is_minimap {
8531 let focus_handle = self.editor.focus_handle(cx);
8532 window.set_view_id(self.editor.entity_id());
8533 window.set_focus_handle(&focus_handle, cx);
8534 }
8535
8536 let rem_size = self.rem_size(cx);
8537 window.with_rem_size(rem_size, |window| {
8538 window.with_text_style(Some(text_style), |window| {
8539 window.with_content_mask(Some(ContentMask { bounds }), |window| {
8540 let (mut snapshot, is_read_only) = self.editor.update(cx, |editor, cx| {
8541 (editor.snapshot(window, cx), editor.read_only(cx))
8542 });
8543 let style = &self.style;
8544
8545 let rem_size = window.rem_size();
8546 let font_id = window.text_system().resolve_font(&style.text.font());
8547 let font_size = style.text.font_size.to_pixels(rem_size);
8548 let line_height = style.text.line_height_in_pixels(rem_size);
8549 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
8550 let em_advance = window.text_system().em_advance(font_id, font_size).unwrap();
8551 let glyph_grid_cell = size(em_advance, line_height);
8552
8553 let gutter_dimensions = snapshot
8554 .gutter_dimensions(
8555 font_id,
8556 font_size,
8557 self.max_line_number_width(&snapshot, window),
8558 cx,
8559 )
8560 .or_else(|| {
8561 self.editor.read(cx).offset_content.then(|| {
8562 GutterDimensions::default_with_margin(font_id, font_size, cx)
8563 })
8564 })
8565 .unwrap_or_default();
8566 let text_width = bounds.size.width - gutter_dimensions.width;
8567
8568 let settings = EditorSettings::get_global(cx);
8569 let scrollbars_shown = settings.scrollbar.show != ShowScrollbar::Never;
8570 let vertical_scrollbar_width = (scrollbars_shown
8571 && settings.scrollbar.axes.vertical
8572 && self.editor.read(cx).show_scrollbars.vertical)
8573 .then_some(style.scrollbar_width)
8574 .unwrap_or_default();
8575 let minimap_width = self
8576 .get_minimap_width(
8577 &settings.minimap,
8578 scrollbars_shown,
8579 text_width,
8580 em_width,
8581 font_size,
8582 rem_size,
8583 cx,
8584 )
8585 .unwrap_or_default();
8586
8587 let right_margin = minimap_width + vertical_scrollbar_width;
8588
8589 let editor_width =
8590 text_width - gutter_dimensions.margin - 2 * em_width - right_margin;
8591 let editor_margins = EditorMargins {
8592 gutter: gutter_dimensions,
8593 right: right_margin,
8594 };
8595
8596 snapshot = self.editor.update(cx, |editor, cx| {
8597 editor.last_bounds = Some(bounds);
8598 editor.gutter_dimensions = gutter_dimensions;
8599 editor.set_visible_line_count(
8600 (bounds.size.height / line_height) as f64,
8601 window,
8602 cx,
8603 );
8604 editor.set_visible_column_count(f64::from(editor_width / em_advance));
8605
8606 if matches!(
8607 editor.mode,
8608 EditorMode::AutoHeight { .. } | EditorMode::Minimap { .. }
8609 ) {
8610 snapshot
8611 } else {
8612 let wrap_width_for = |column: u32| (column as f32 * em_advance).ceil();
8613 let wrap_width = match editor.soft_wrap_mode(cx) {
8614 SoftWrap::GitDiff => None,
8615 SoftWrap::None => Some(wrap_width_for(MAX_LINE_LEN as u32 / 2)),
8616 SoftWrap::EditorWidth => Some(editor_width),
8617 SoftWrap::Column(column) => Some(wrap_width_for(column)),
8618 SoftWrap::Bounded(column) => {
8619 Some(editor_width.min(wrap_width_for(column)))
8620 }
8621 };
8622
8623 if editor.set_wrap_width(wrap_width, cx) {
8624 editor.snapshot(window, cx)
8625 } else {
8626 snapshot
8627 }
8628 }
8629 });
8630
8631 let hitbox = window.insert_hitbox(bounds, HitboxBehavior::Normal);
8632 let gutter_hitbox = window.insert_hitbox(
8633 gutter_bounds(bounds, gutter_dimensions),
8634 HitboxBehavior::Normal,
8635 );
8636 let text_hitbox = window.insert_hitbox(
8637 Bounds {
8638 origin: gutter_hitbox.top_right(),
8639 size: size(text_width, bounds.size.height),
8640 },
8641 HitboxBehavior::Normal,
8642 );
8643
8644 // Offset the content_bounds from the text_bounds by the gutter margin (which
8645 // is roughly half a character wide) to make hit testing work more like how we want.
8646 let content_offset = point(editor_margins.gutter.margin, Pixels::ZERO);
8647 let content_origin = text_hitbox.origin + content_offset;
8648
8649 let height_in_lines = f64::from(bounds.size.height / line_height);
8650 let max_row = snapshot.max_point().row().as_f64();
8651
8652 // The max scroll position for the top of the window
8653 let max_scroll_top = if matches!(
8654 snapshot.mode,
8655 EditorMode::SingleLine
8656 | EditorMode::AutoHeight { .. }
8657 | EditorMode::Full {
8658 sized_by_content: true,
8659 ..
8660 }
8661 ) {
8662 (max_row - height_in_lines + 1.).max(0.)
8663 } else {
8664 let settings = EditorSettings::get_global(cx);
8665 match settings.scroll_beyond_last_line {
8666 ScrollBeyondLastLine::OnePage => max_row,
8667 ScrollBeyondLastLine::Off => (max_row - height_in_lines + 1.).max(0.),
8668 ScrollBeyondLastLine::VerticalScrollMargin => {
8669 (max_row - height_in_lines + 1. + settings.vertical_scroll_margin)
8670 .max(0.)
8671 }
8672 }
8673 };
8674
8675 let (
8676 autoscroll_request,
8677 autoscroll_containing_element,
8678 needs_horizontal_autoscroll,
8679 ) = self.editor.update(cx, |editor, cx| {
8680 let autoscroll_request = editor.scroll_manager.take_autoscroll_request();
8681
8682 let autoscroll_containing_element =
8683 autoscroll_request.is_some() || editor.has_pending_selection();
8684
8685 let (needs_horizontal_autoscroll, was_scrolled) = editor
8686 .autoscroll_vertically(
8687 bounds,
8688 line_height,
8689 max_scroll_top,
8690 autoscroll_request,
8691 window,
8692 cx,
8693 );
8694 if was_scrolled.0 {
8695 snapshot = editor.snapshot(window, cx);
8696 }
8697 (
8698 autoscroll_request,
8699 autoscroll_containing_element,
8700 needs_horizontal_autoscroll,
8701 )
8702 });
8703
8704 let mut scroll_position = snapshot.scroll_position();
8705 // The scroll position is a fractional point, the whole number of which represents
8706 // the top of the window in terms of display rows.
8707 let start_row = DisplayRow(scroll_position.y as u32);
8708 let max_row = snapshot.max_point().row();
8709 let end_row = cmp::min(
8710 (scroll_position.y + height_in_lines).ceil() as u32,
8711 max_row.next_row().0,
8712 );
8713 let end_row = DisplayRow(end_row);
8714
8715 let row_infos = snapshot
8716 .row_infos(start_row)
8717 .take((start_row..end_row).len())
8718 .collect::<Vec<RowInfo>>();
8719 let is_row_soft_wrapped = |row: usize| {
8720 row_infos
8721 .get(row)
8722 .is_none_or(|info| info.buffer_row.is_none())
8723 };
8724
8725 let start_anchor = if start_row == Default::default() {
8726 Anchor::min()
8727 } else {
8728 snapshot.buffer_snapshot().anchor_before(
8729 DisplayPoint::new(start_row, 0).to_offset(&snapshot, Bias::Left),
8730 )
8731 };
8732 let end_anchor = if end_row > max_row {
8733 Anchor::max()
8734 } else {
8735 snapshot.buffer_snapshot().anchor_before(
8736 DisplayPoint::new(end_row, 0).to_offset(&snapshot, Bias::Right),
8737 )
8738 };
8739
8740 let mut highlighted_rows = self
8741 .editor
8742 .update(cx, |editor, cx| editor.highlighted_display_rows(window, cx));
8743
8744 let is_light = cx.theme().appearance().is_light();
8745
8746 for (ix, row_info) in row_infos.iter().enumerate() {
8747 let Some(diff_status) = row_info.diff_status else {
8748 continue;
8749 };
8750
8751 let background_color = match diff_status.kind {
8752 DiffHunkStatusKind::Added => cx.theme().colors().version_control_added,
8753 DiffHunkStatusKind::Deleted => {
8754 cx.theme().colors().version_control_deleted
8755 }
8756 DiffHunkStatusKind::Modified => {
8757 debug_panic!("modified diff status for row info");
8758 continue;
8759 }
8760 };
8761
8762 let hunk_opacity = if is_light { 0.16 } else { 0.12 };
8763
8764 let hollow_highlight = LineHighlight {
8765 background: (background_color.opacity(if is_light {
8766 0.08
8767 } else {
8768 0.06
8769 }))
8770 .into(),
8771 border: Some(if is_light {
8772 background_color.opacity(0.48)
8773 } else {
8774 background_color.opacity(0.36)
8775 }),
8776 include_gutter: true,
8777 type_id: None,
8778 };
8779
8780 let filled_highlight = LineHighlight {
8781 background: solid_background(background_color.opacity(hunk_opacity)),
8782 border: None,
8783 include_gutter: true,
8784 type_id: None,
8785 };
8786
8787 let background = if Self::diff_hunk_hollow(diff_status, cx) {
8788 hollow_highlight
8789 } else {
8790 filled_highlight
8791 };
8792
8793 highlighted_rows
8794 .entry(start_row + DisplayRow(ix as u32))
8795 .or_insert(background);
8796 }
8797
8798 let highlighted_ranges = self
8799 .editor_with_selections(cx)
8800 .map(|editor| {
8801 editor.read(cx).background_highlights_in_range(
8802 start_anchor..end_anchor,
8803 &snapshot.display_snapshot,
8804 cx.theme(),
8805 )
8806 })
8807 .unwrap_or_default();
8808 let highlighted_gutter_ranges =
8809 self.editor.read(cx).gutter_highlights_in_range(
8810 start_anchor..end_anchor,
8811 &snapshot.display_snapshot,
8812 cx,
8813 );
8814
8815 let document_colors = self
8816 .editor
8817 .read(cx)
8818 .colors
8819 .as_ref()
8820 .map(|colors| colors.editor_display_highlights(&snapshot));
8821 let redacted_ranges = self.editor.read(cx).redacted_ranges(
8822 start_anchor..end_anchor,
8823 &snapshot.display_snapshot,
8824 cx,
8825 );
8826
8827 let (local_selections, selected_buffer_ids): (
8828 Vec<Selection<Point>>,
8829 Vec<BufferId>,
8830 ) = self
8831 .editor_with_selections(cx)
8832 .map(|editor| {
8833 editor.update(cx, |editor, cx| {
8834 let all_selections =
8835 editor.selections.all::<Point>(&snapshot.display_snapshot);
8836 let selected_buffer_ids =
8837 if editor.buffer_kind(cx) == ItemBufferKind::Singleton {
8838 Vec::new()
8839 } else {
8840 let mut selected_buffer_ids =
8841 Vec::with_capacity(all_selections.len());
8842
8843 for selection in all_selections {
8844 for buffer_id in snapshot
8845 .buffer_snapshot()
8846 .buffer_ids_for_range(selection.range())
8847 {
8848 if selected_buffer_ids.last() != Some(&buffer_id) {
8849 selected_buffer_ids.push(buffer_id);
8850 }
8851 }
8852 }
8853
8854 selected_buffer_ids
8855 };
8856
8857 let mut selections = editor.selections.disjoint_in_range(
8858 start_anchor..end_anchor,
8859 &snapshot.display_snapshot,
8860 );
8861 selections
8862 .extend(editor.selections.pending(&snapshot.display_snapshot));
8863
8864 (selections, selected_buffer_ids)
8865 })
8866 })
8867 .unwrap_or_default();
8868
8869 let (selections, mut active_rows, newest_selection_head) = self
8870 .layout_selections(
8871 start_anchor,
8872 end_anchor,
8873 &local_selections,
8874 &snapshot,
8875 start_row,
8876 end_row,
8877 window,
8878 cx,
8879 );
8880 let mut breakpoint_rows = self.editor.update(cx, |editor, cx| {
8881 editor.active_breakpoints(start_row..end_row, window, cx)
8882 });
8883 for (display_row, (_, bp, state)) in &breakpoint_rows {
8884 if bp.is_enabled() && state.is_none_or(|s| s.verified) {
8885 active_rows.entry(*display_row).or_default().breakpoint = true;
8886 }
8887 }
8888
8889 let line_numbers = self.layout_line_numbers(
8890 Some(&gutter_hitbox),
8891 gutter_dimensions,
8892 line_height,
8893 scroll_position,
8894 start_row..end_row,
8895 &row_infos,
8896 &active_rows,
8897 newest_selection_head,
8898 &snapshot,
8899 window,
8900 cx,
8901 );
8902
8903 // We add the gutter breakpoint indicator to breakpoint_rows after painting
8904 // line numbers so we don't paint a line number debug accent color if a user
8905 // has their mouse over that line when a breakpoint isn't there
8906 self.editor.update(cx, |editor, _| {
8907 if let Some(phantom_breakpoint) = &mut editor
8908 .gutter_breakpoint_indicator
8909 .0
8910 .filter(|phantom_breakpoint| phantom_breakpoint.is_active)
8911 {
8912 // Is there a non-phantom breakpoint on this line?
8913 phantom_breakpoint.collides_with_existing_breakpoint = true;
8914 breakpoint_rows
8915 .entry(phantom_breakpoint.display_row)
8916 .or_insert_with(|| {
8917 let position = snapshot.display_point_to_anchor(
8918 DisplayPoint::new(phantom_breakpoint.display_row, 0),
8919 Bias::Right,
8920 );
8921 let breakpoint = Breakpoint::new_standard();
8922 phantom_breakpoint.collides_with_existing_breakpoint = false;
8923 (position, breakpoint, None)
8924 });
8925 }
8926 });
8927
8928 let mut expand_toggles =
8929 window.with_element_namespace("expand_toggles", |window| {
8930 self.layout_expand_toggles(
8931 &gutter_hitbox,
8932 gutter_dimensions,
8933 em_width,
8934 line_height,
8935 scroll_position,
8936 &row_infos,
8937 window,
8938 cx,
8939 )
8940 });
8941
8942 let mut crease_toggles =
8943 window.with_element_namespace("crease_toggles", |window| {
8944 self.layout_crease_toggles(
8945 start_row..end_row,
8946 &row_infos,
8947 &active_rows,
8948 &snapshot,
8949 window,
8950 cx,
8951 )
8952 });
8953 let crease_trailers =
8954 window.with_element_namespace("crease_trailers", |window| {
8955 self.layout_crease_trailers(
8956 row_infos.iter().copied(),
8957 &snapshot,
8958 window,
8959 cx,
8960 )
8961 });
8962
8963 let display_hunks = self.layout_gutter_diff_hunks(
8964 line_height,
8965 &gutter_hitbox,
8966 start_row..end_row,
8967 &snapshot,
8968 window,
8969 cx,
8970 );
8971
8972 let bg_segments_per_row = Self::bg_segments_per_row(
8973 start_row..end_row,
8974 &selections,
8975 &highlighted_ranges,
8976 self.style.background,
8977 );
8978
8979 let mut line_layouts = Self::layout_lines(
8980 start_row..end_row,
8981 &snapshot,
8982 &self.style,
8983 editor_width,
8984 is_row_soft_wrapped,
8985 &bg_segments_per_row,
8986 window,
8987 cx,
8988 );
8989 let new_renderer_widths = (!is_minimap).then(|| {
8990 line_layouts
8991 .iter()
8992 .flat_map(|layout| &layout.fragments)
8993 .filter_map(|fragment| {
8994 if let LineFragment::Element { id, size, .. } = fragment {
8995 Some((*id, size.width))
8996 } else {
8997 None
8998 }
8999 })
9000 });
9001 if new_renderer_widths.is_some_and(|new_renderer_widths| {
9002 self.editor.update(cx, |editor, cx| {
9003 editor.update_renderer_widths(new_renderer_widths, cx)
9004 })
9005 }) {
9006 // If the fold widths have changed, we need to prepaint
9007 // the element again to account for any changes in
9008 // wrapping.
9009 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
9010 }
9011
9012 let longest_line_blame_width = self
9013 .editor
9014 .update(cx, |editor, cx| {
9015 if !editor.show_git_blame_inline {
9016 return None;
9017 }
9018 let blame = editor.blame.as_ref()?;
9019 let (_, blame_entry) = blame
9020 .update(cx, |blame, cx| {
9021 let row_infos =
9022 snapshot.row_infos(snapshot.longest_row()).next()?;
9023 blame.blame_for_rows(&[row_infos], cx).next()
9024 })
9025 .flatten()?;
9026 let mut element = render_inline_blame_entry(blame_entry, style, cx)?;
9027 let inline_blame_padding =
9028 ProjectSettings::get_global(cx).git.inline_blame.padding as f32
9029 * em_advance;
9030 Some(
9031 element
9032 .layout_as_root(AvailableSpace::min_size(), window, cx)
9033 .width
9034 + inline_blame_padding,
9035 )
9036 })
9037 .unwrap_or(Pixels::ZERO);
9038
9039 let longest_line_width = layout_line(
9040 snapshot.longest_row(),
9041 &snapshot,
9042 style,
9043 editor_width,
9044 is_row_soft_wrapped,
9045 window,
9046 cx,
9047 )
9048 .width;
9049
9050 let scrollbar_layout_information = ScrollbarLayoutInformation::new(
9051 text_hitbox.bounds,
9052 glyph_grid_cell,
9053 size(
9054 longest_line_width,
9055 Pixels::from(max_row.as_f64() * f64::from(line_height)),
9056 ),
9057 longest_line_blame_width,
9058 EditorSettings::get_global(cx),
9059 );
9060
9061 let mut scroll_width = scrollbar_layout_information.scroll_range.width;
9062
9063 let sticky_header_excerpt = if snapshot.buffer_snapshot().show_headers() {
9064 snapshot.sticky_header_excerpt(scroll_position.y)
9065 } else {
9066 None
9067 };
9068 let sticky_header_excerpt_id =
9069 sticky_header_excerpt.as_ref().map(|top| top.excerpt.id);
9070
9071 let blocks = (!is_minimap)
9072 .then(|| {
9073 window.with_element_namespace("blocks", |window| {
9074 self.render_blocks(
9075 start_row..end_row,
9076 &snapshot,
9077 &hitbox,
9078 &text_hitbox,
9079 editor_width,
9080 &mut scroll_width,
9081 &editor_margins,
9082 em_width,
9083 gutter_dimensions.full_width(),
9084 line_height,
9085 &mut line_layouts,
9086 &local_selections,
9087 &selected_buffer_ids,
9088 is_row_soft_wrapped,
9089 sticky_header_excerpt_id,
9090 window,
9091 cx,
9092 )
9093 })
9094 })
9095 .unwrap_or_else(|| Ok((Vec::default(), HashMap::default())));
9096 let (mut blocks, row_block_types) = match blocks {
9097 Ok(blocks) => blocks,
9098 Err(resized_blocks) => {
9099 self.editor.update(cx, |editor, cx| {
9100 editor.resize_blocks(
9101 resized_blocks,
9102 autoscroll_request.map(|(autoscroll, _)| autoscroll),
9103 cx,
9104 )
9105 });
9106 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
9107 }
9108 };
9109
9110 let sticky_buffer_header = sticky_header_excerpt.map(|sticky_header_excerpt| {
9111 window.with_element_namespace("blocks", |window| {
9112 self.layout_sticky_buffer_header(
9113 sticky_header_excerpt,
9114 scroll_position,
9115 line_height,
9116 right_margin,
9117 &snapshot,
9118 &hitbox,
9119 &selected_buffer_ids,
9120 &blocks,
9121 window,
9122 cx,
9123 )
9124 })
9125 });
9126
9127 let start_buffer_row =
9128 MultiBufferRow(start_anchor.to_point(&snapshot.buffer_snapshot()).row);
9129 let end_buffer_row =
9130 MultiBufferRow(end_anchor.to_point(&snapshot.buffer_snapshot()).row);
9131
9132 let scroll_max: gpui::Point<ScrollPixelOffset> = point(
9133 ScrollPixelOffset::from(
9134 ((scroll_width - editor_width) / em_advance).max(0.0),
9135 ),
9136 max_scroll_top,
9137 );
9138
9139 self.editor.update(cx, |editor, cx| {
9140 if editor.scroll_manager.clamp_scroll_left(scroll_max.x) {
9141 scroll_position.x = scroll_position.x.min(scroll_max.x);
9142 }
9143
9144 if needs_horizontal_autoscroll.0
9145 && let Some(new_scroll_position) = editor.autoscroll_horizontally(
9146 start_row,
9147 editor_width,
9148 scroll_width,
9149 em_advance,
9150 &line_layouts,
9151 autoscroll_request,
9152 window,
9153 cx,
9154 )
9155 {
9156 scroll_position = new_scroll_position;
9157 }
9158 });
9159
9160 let scroll_pixel_position = point(
9161 scroll_position.x * f64::from(em_advance),
9162 scroll_position.y * f64::from(line_height),
9163 );
9164 let indent_guides = self.layout_indent_guides(
9165 content_origin,
9166 text_hitbox.origin,
9167 start_buffer_row..end_buffer_row,
9168 scroll_pixel_position,
9169 line_height,
9170 &snapshot,
9171 window,
9172 cx,
9173 );
9174
9175 let crease_trailers =
9176 window.with_element_namespace("crease_trailers", |window| {
9177 self.prepaint_crease_trailers(
9178 crease_trailers,
9179 &line_layouts,
9180 line_height,
9181 content_origin,
9182 scroll_pixel_position,
9183 em_width,
9184 window,
9185 cx,
9186 )
9187 });
9188
9189 let (edit_prediction_popover, edit_prediction_popover_origin) = self
9190 .editor
9191 .update(cx, |editor, cx| {
9192 editor.render_edit_prediction_popover(
9193 &text_hitbox.bounds,
9194 content_origin,
9195 right_margin,
9196 &snapshot,
9197 start_row..end_row,
9198 scroll_position.y,
9199 scroll_position.y + height_in_lines,
9200 &line_layouts,
9201 line_height,
9202 scroll_position,
9203 scroll_pixel_position,
9204 newest_selection_head,
9205 editor_width,
9206 style,
9207 window,
9208 cx,
9209 )
9210 })
9211 .unzip();
9212
9213 let mut inline_diagnostics = self.layout_inline_diagnostics(
9214 &line_layouts,
9215 &crease_trailers,
9216 &row_block_types,
9217 content_origin,
9218 scroll_position,
9219 scroll_pixel_position,
9220 edit_prediction_popover_origin,
9221 start_row,
9222 end_row,
9223 line_height,
9224 em_width,
9225 style,
9226 window,
9227 cx,
9228 );
9229
9230 let mut inline_blame_layout = None;
9231 let mut inline_code_actions = None;
9232 if let Some(newest_selection_head) = newest_selection_head {
9233 let display_row = newest_selection_head.row();
9234 if (start_row..end_row).contains(&display_row)
9235 && !row_block_types.contains_key(&display_row)
9236 {
9237 inline_code_actions = self.layout_inline_code_actions(
9238 newest_selection_head,
9239 content_origin,
9240 scroll_position,
9241 scroll_pixel_position,
9242 line_height,
9243 &snapshot,
9244 window,
9245 cx,
9246 );
9247
9248 let line_ix = display_row.minus(start_row) as usize;
9249 if let (Some(row_info), Some(line_layout), Some(crease_trailer)) = (
9250 row_infos.get(line_ix),
9251 line_layouts.get(line_ix),
9252 crease_trailers.get(line_ix),
9253 ) {
9254 let crease_trailer_layout = crease_trailer.as_ref();
9255 if let Some(layout) = self.layout_inline_blame(
9256 display_row,
9257 row_info,
9258 line_layout,
9259 crease_trailer_layout,
9260 em_width,
9261 content_origin,
9262 scroll_position,
9263 scroll_pixel_position,
9264 line_height,
9265 &text_hitbox,
9266 window,
9267 cx,
9268 ) {
9269 inline_blame_layout = Some(layout);
9270 // Blame overrides inline diagnostics
9271 inline_diagnostics.remove(&display_row);
9272 }
9273 } else {
9274 log::error!(
9275 "bug: line_ix {} is out of bounds - row_infos.len(): {}, \
9276 line_layouts.len(): {}, \
9277 crease_trailers.len(): {}",
9278 line_ix,
9279 row_infos.len(),
9280 line_layouts.len(),
9281 crease_trailers.len(),
9282 );
9283 }
9284 }
9285 }
9286
9287 let blamed_display_rows = self.layout_blame_entries(
9288 &row_infos,
9289 em_width,
9290 scroll_position,
9291 line_height,
9292 &gutter_hitbox,
9293 gutter_dimensions.git_blame_entries_width,
9294 window,
9295 cx,
9296 );
9297
9298 let line_elements = self.prepaint_lines(
9299 start_row,
9300 &mut line_layouts,
9301 line_height,
9302 scroll_position,
9303 scroll_pixel_position,
9304 content_origin,
9305 window,
9306 cx,
9307 );
9308
9309 window.with_element_namespace("blocks", |window| {
9310 self.layout_blocks(
9311 &mut blocks,
9312 &hitbox,
9313 line_height,
9314 scroll_position,
9315 scroll_pixel_position,
9316 window,
9317 cx,
9318 );
9319 });
9320
9321 let cursors = self.collect_cursors(&snapshot, cx);
9322 let visible_row_range = start_row..end_row;
9323 let non_visible_cursors = cursors
9324 .iter()
9325 .any(|c| !visible_row_range.contains(&c.0.row()));
9326
9327 let visible_cursors = self.layout_visible_cursors(
9328 &snapshot,
9329 &selections,
9330 &row_block_types,
9331 start_row..end_row,
9332 &line_layouts,
9333 &text_hitbox,
9334 content_origin,
9335 scroll_position,
9336 scroll_pixel_position,
9337 line_height,
9338 em_width,
9339 em_advance,
9340 autoscroll_containing_element,
9341 window,
9342 cx,
9343 );
9344
9345 let scrollbars_layout = self.layout_scrollbars(
9346 &snapshot,
9347 &scrollbar_layout_information,
9348 content_offset,
9349 scroll_position,
9350 non_visible_cursors,
9351 right_margin,
9352 editor_width,
9353 window,
9354 cx,
9355 );
9356
9357 let gutter_settings = EditorSettings::get_global(cx).gutter;
9358
9359 let context_menu_layout =
9360 if let Some(newest_selection_head) = newest_selection_head {
9361 let newest_selection_point =
9362 newest_selection_head.to_point(&snapshot.display_snapshot);
9363 if (start_row..end_row).contains(&newest_selection_head.row()) {
9364 self.layout_cursor_popovers(
9365 line_height,
9366 &text_hitbox,
9367 content_origin,
9368 right_margin,
9369 start_row,
9370 scroll_pixel_position,
9371 &line_layouts,
9372 newest_selection_head,
9373 newest_selection_point,
9374 style,
9375 window,
9376 cx,
9377 )
9378 } else {
9379 None
9380 }
9381 } else {
9382 None
9383 };
9384
9385 self.layout_gutter_menu(
9386 line_height,
9387 &text_hitbox,
9388 content_origin,
9389 right_margin,
9390 scroll_pixel_position,
9391 gutter_dimensions.width - gutter_dimensions.left_padding,
9392 window,
9393 cx,
9394 );
9395
9396 let test_indicators = if gutter_settings.runnables {
9397 self.layout_run_indicators(
9398 line_height,
9399 start_row..end_row,
9400 &row_infos,
9401 scroll_position,
9402 &gutter_dimensions,
9403 &gutter_hitbox,
9404 &display_hunks,
9405 &snapshot,
9406 &mut breakpoint_rows,
9407 window,
9408 cx,
9409 )
9410 } else {
9411 Vec::new()
9412 };
9413
9414 let show_breakpoints = snapshot
9415 .show_breakpoints
9416 .unwrap_or(gutter_settings.breakpoints);
9417 let breakpoints = if show_breakpoints {
9418 self.layout_breakpoints(
9419 line_height,
9420 start_row..end_row,
9421 scroll_position,
9422 &gutter_dimensions,
9423 &gutter_hitbox,
9424 &display_hunks,
9425 &snapshot,
9426 breakpoint_rows,
9427 &row_infos,
9428 window,
9429 cx,
9430 )
9431 } else {
9432 Vec::new()
9433 };
9434
9435 self.layout_signature_help(
9436 &hitbox,
9437 content_origin,
9438 scroll_pixel_position,
9439 newest_selection_head,
9440 start_row,
9441 &line_layouts,
9442 line_height,
9443 em_width,
9444 context_menu_layout,
9445 window,
9446 cx,
9447 );
9448
9449 if !cx.has_active_drag() {
9450 self.layout_hover_popovers(
9451 &snapshot,
9452 &hitbox,
9453 start_row..end_row,
9454 content_origin,
9455 scroll_pixel_position,
9456 &line_layouts,
9457 line_height,
9458 em_width,
9459 context_menu_layout,
9460 window,
9461 cx,
9462 );
9463 }
9464
9465 let mouse_context_menu = self.layout_mouse_context_menu(
9466 &snapshot,
9467 start_row..end_row,
9468 content_origin,
9469 window,
9470 cx,
9471 );
9472
9473 window.with_element_namespace("crease_toggles", |window| {
9474 self.prepaint_crease_toggles(
9475 &mut crease_toggles,
9476 line_height,
9477 &gutter_dimensions,
9478 gutter_settings,
9479 scroll_pixel_position,
9480 &gutter_hitbox,
9481 window,
9482 cx,
9483 )
9484 });
9485
9486 window.with_element_namespace("expand_toggles", |window| {
9487 self.prepaint_expand_toggles(&mut expand_toggles, window, cx)
9488 });
9489
9490 let wrap_guides = self.layout_wrap_guides(
9491 em_advance,
9492 scroll_position,
9493 content_origin,
9494 scrollbars_layout.as_ref(),
9495 vertical_scrollbar_width,
9496 &hitbox,
9497 window,
9498 cx,
9499 );
9500
9501 let minimap = window.with_element_namespace("minimap", |window| {
9502 self.layout_minimap(
9503 &snapshot,
9504 minimap_width,
9505 scroll_position,
9506 &scrollbar_layout_information,
9507 scrollbars_layout.as_ref(),
9508 window,
9509 cx,
9510 )
9511 });
9512
9513 let invisible_symbol_font_size = font_size / 2.;
9514 let whitespace_map = &self
9515 .editor
9516 .read(cx)
9517 .buffer
9518 .read(cx)
9519 .language_settings(cx)
9520 .whitespace_map;
9521
9522 let tab_char = whitespace_map.tab.clone();
9523 let tab_len = tab_char.len();
9524 let tab_invisible = window.text_system().shape_line(
9525 tab_char,
9526 invisible_symbol_font_size,
9527 &[TextRun {
9528 len: tab_len,
9529 font: self.style.text.font(),
9530 color: cx.theme().colors().editor_invisible,
9531 background_color: None,
9532 underline: None,
9533 strikethrough: None,
9534 }],
9535 None,
9536 );
9537
9538 let space_char = whitespace_map.space.clone();
9539 let space_len = space_char.len();
9540 let space_invisible = window.text_system().shape_line(
9541 space_char,
9542 invisible_symbol_font_size,
9543 &[TextRun {
9544 len: space_len,
9545 font: self.style.text.font(),
9546 color: cx.theme().colors().editor_invisible,
9547 background_color: None,
9548 underline: None,
9549 strikethrough: None,
9550 }],
9551 None,
9552 );
9553
9554 let mode = snapshot.mode.clone();
9555
9556 let (diff_hunk_controls, diff_hunk_control_bounds) = if is_read_only {
9557 (vec![], vec![])
9558 } else {
9559 self.layout_diff_hunk_controls(
9560 start_row..end_row,
9561 &row_infos,
9562 &text_hitbox,
9563 newest_selection_head,
9564 line_height,
9565 right_margin,
9566 scroll_pixel_position,
9567 &display_hunks,
9568 &highlighted_rows,
9569 self.editor.clone(),
9570 window,
9571 cx,
9572 )
9573 };
9574
9575 let position_map = Rc::new(PositionMap {
9576 size: bounds.size,
9577 visible_row_range,
9578 scroll_position,
9579 scroll_pixel_position,
9580 scroll_max,
9581 line_layouts,
9582 line_height,
9583 em_width,
9584 em_advance,
9585 snapshot,
9586 gutter_hitbox: gutter_hitbox.clone(),
9587 text_hitbox: text_hitbox.clone(),
9588 inline_blame_bounds: inline_blame_layout
9589 .as_ref()
9590 .map(|layout| (layout.bounds, layout.buffer_id, layout.entry.clone())),
9591 display_hunks: display_hunks.clone(),
9592 diff_hunk_control_bounds,
9593 });
9594
9595 self.editor.update(cx, |editor, _| {
9596 editor.last_position_map = Some(position_map.clone())
9597 });
9598
9599 EditorLayout {
9600 mode,
9601 position_map,
9602 visible_display_row_range: start_row..end_row,
9603 wrap_guides,
9604 indent_guides,
9605 hitbox,
9606 gutter_hitbox,
9607 display_hunks,
9608 content_origin,
9609 scrollbars_layout,
9610 minimap,
9611 active_rows,
9612 highlighted_rows,
9613 highlighted_ranges,
9614 highlighted_gutter_ranges,
9615 redacted_ranges,
9616 document_colors,
9617 line_elements,
9618 line_numbers,
9619 blamed_display_rows,
9620 inline_diagnostics,
9621 inline_blame_layout,
9622 inline_code_actions,
9623 blocks,
9624 cursors,
9625 visible_cursors,
9626 selections,
9627 edit_prediction_popover,
9628 diff_hunk_controls,
9629 mouse_context_menu,
9630 test_indicators,
9631 breakpoints,
9632 crease_toggles,
9633 crease_trailers,
9634 tab_invisible,
9635 space_invisible,
9636 sticky_buffer_header,
9637 expand_toggles,
9638 }
9639 })
9640 })
9641 })
9642 }
9643
9644 fn paint(
9645 &mut self,
9646 _: Option<&GlobalElementId>,
9647 _inspector_id: Option<&gpui::InspectorElementId>,
9648 bounds: Bounds<gpui::Pixels>,
9649 _: &mut Self::RequestLayoutState,
9650 layout: &mut Self::PrepaintState,
9651 window: &mut Window,
9652 cx: &mut App,
9653 ) {
9654 if !layout.mode.is_minimap() {
9655 let focus_handle = self.editor.focus_handle(cx);
9656 let key_context = self
9657 .editor
9658 .update(cx, |editor, cx| editor.key_context(window, cx));
9659
9660 window.set_key_context(key_context);
9661 window.handle_input(
9662 &focus_handle,
9663 ElementInputHandler::new(bounds, self.editor.clone()),
9664 cx,
9665 );
9666 self.register_actions(window, cx);
9667 self.register_key_listeners(window, cx, layout);
9668 }
9669
9670 let text_style = TextStyleRefinement {
9671 font_size: Some(self.style.text.font_size),
9672 line_height: Some(self.style.text.line_height),
9673 ..Default::default()
9674 };
9675 let rem_size = self.rem_size(cx);
9676 window.with_rem_size(rem_size, |window| {
9677 window.with_text_style(Some(text_style), |window| {
9678 window.with_content_mask(Some(ContentMask { bounds }), |window| {
9679 self.paint_mouse_listeners(layout, window, cx);
9680 self.paint_background(layout, window, cx);
9681 self.paint_indent_guides(layout, window, cx);
9682
9683 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9684 self.paint_blamed_display_rows(layout, window, cx);
9685 self.paint_line_numbers(layout, window, cx);
9686 }
9687
9688 self.paint_text(layout, window, cx);
9689
9690 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9691 self.paint_gutter_highlights(layout, window, cx);
9692 self.paint_gutter_indicators(layout, window, cx);
9693 }
9694
9695 if !layout.blocks.is_empty() {
9696 window.with_element_namespace("blocks", |window| {
9697 self.paint_blocks(layout, window, cx);
9698 });
9699 }
9700
9701 window.with_element_namespace("blocks", |window| {
9702 if let Some(mut sticky_header) = layout.sticky_buffer_header.take() {
9703 sticky_header.paint(window, cx)
9704 }
9705 });
9706
9707 self.paint_minimap(layout, window, cx);
9708 self.paint_scrollbars(layout, window, cx);
9709 self.paint_edit_prediction_popover(layout, window, cx);
9710 self.paint_mouse_context_menu(layout, window, cx);
9711 });
9712 })
9713 })
9714 }
9715}
9716
9717pub(super) fn gutter_bounds(
9718 editor_bounds: Bounds<Pixels>,
9719 gutter_dimensions: GutterDimensions,
9720) -> Bounds<Pixels> {
9721 Bounds {
9722 origin: editor_bounds.origin,
9723 size: size(gutter_dimensions.width, editor_bounds.size.height),
9724 }
9725}
9726
9727#[derive(Clone, Copy)]
9728struct ContextMenuLayout {
9729 y_flipped: bool,
9730 bounds: Bounds<Pixels>,
9731}
9732
9733/// Holds information required for layouting the editor scrollbars.
9734struct ScrollbarLayoutInformation {
9735 /// The bounds of the editor area (excluding the content offset).
9736 editor_bounds: Bounds<Pixels>,
9737 /// The available range to scroll within the document.
9738 scroll_range: Size<Pixels>,
9739 /// The space available for one glyph in the editor.
9740 glyph_grid_cell: Size<Pixels>,
9741}
9742
9743impl ScrollbarLayoutInformation {
9744 pub fn new(
9745 editor_bounds: Bounds<Pixels>,
9746 glyph_grid_cell: Size<Pixels>,
9747 document_size: Size<Pixels>,
9748 longest_line_blame_width: Pixels,
9749 settings: &EditorSettings,
9750 ) -> Self {
9751 let vertical_overscroll = match settings.scroll_beyond_last_line {
9752 ScrollBeyondLastLine::OnePage => editor_bounds.size.height,
9753 ScrollBeyondLastLine::Off => glyph_grid_cell.height,
9754 ScrollBeyondLastLine::VerticalScrollMargin => {
9755 (1.0 + settings.vertical_scroll_margin) as f32 * glyph_grid_cell.height
9756 }
9757 };
9758
9759 let overscroll = size(longest_line_blame_width, vertical_overscroll);
9760
9761 ScrollbarLayoutInformation {
9762 editor_bounds,
9763 scroll_range: document_size + overscroll,
9764 glyph_grid_cell,
9765 }
9766 }
9767}
9768
9769impl IntoElement for EditorElement {
9770 type Element = Self;
9771
9772 fn into_element(self) -> Self::Element {
9773 self
9774 }
9775}
9776
9777pub struct EditorLayout {
9778 position_map: Rc<PositionMap>,
9779 hitbox: Hitbox,
9780 gutter_hitbox: Hitbox,
9781 content_origin: gpui::Point<Pixels>,
9782 scrollbars_layout: Option<EditorScrollbars>,
9783 minimap: Option<MinimapLayout>,
9784 mode: EditorMode,
9785 wrap_guides: SmallVec<[(Pixels, bool); 2]>,
9786 indent_guides: Option<Vec<IndentGuideLayout>>,
9787 visible_display_row_range: Range<DisplayRow>,
9788 active_rows: BTreeMap<DisplayRow, LineHighlightSpec>,
9789 highlighted_rows: BTreeMap<DisplayRow, LineHighlight>,
9790 line_elements: SmallVec<[AnyElement; 1]>,
9791 line_numbers: Arc<HashMap<MultiBufferRow, LineNumberLayout>>,
9792 display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
9793 blamed_display_rows: Option<Vec<AnyElement>>,
9794 inline_diagnostics: HashMap<DisplayRow, AnyElement>,
9795 inline_blame_layout: Option<InlineBlameLayout>,
9796 inline_code_actions: Option<AnyElement>,
9797 blocks: Vec<BlockLayout>,
9798 highlighted_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9799 highlighted_gutter_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9800 redacted_ranges: Vec<Range<DisplayPoint>>,
9801 cursors: Vec<(DisplayPoint, Hsla)>,
9802 visible_cursors: Vec<CursorLayout>,
9803 selections: Vec<(PlayerColor, Vec<SelectionLayout>)>,
9804 test_indicators: Vec<AnyElement>,
9805 breakpoints: Vec<AnyElement>,
9806 crease_toggles: Vec<Option<AnyElement>>,
9807 expand_toggles: Vec<Option<(AnyElement, gpui::Point<Pixels>)>>,
9808 diff_hunk_controls: Vec<AnyElement>,
9809 crease_trailers: Vec<Option<CreaseTrailerLayout>>,
9810 edit_prediction_popover: Option<AnyElement>,
9811 mouse_context_menu: Option<AnyElement>,
9812 tab_invisible: ShapedLine,
9813 space_invisible: ShapedLine,
9814 sticky_buffer_header: Option<AnyElement>,
9815 document_colors: Option<(DocumentColorsRenderMode, Vec<(Range<DisplayPoint>, Hsla)>)>,
9816}
9817
9818impl EditorLayout {
9819 fn line_end_overshoot(&self) -> Pixels {
9820 0.15 * self.position_map.line_height
9821 }
9822}
9823
9824struct LineNumberSegment {
9825 shaped_line: ShapedLine,
9826 hitbox: Option<Hitbox>,
9827}
9828
9829struct LineNumberLayout {
9830 segments: Vec<LineNumberSegment>,
9831}
9832
9833struct ColoredRange<T> {
9834 start: T,
9835 end: T,
9836 color: Hsla,
9837}
9838
9839impl Along for ScrollbarAxes {
9840 type Unit = bool;
9841
9842 fn along(&self, axis: ScrollbarAxis) -> Self::Unit {
9843 match axis {
9844 ScrollbarAxis::Horizontal => self.horizontal,
9845 ScrollbarAxis::Vertical => self.vertical,
9846 }
9847 }
9848
9849 fn apply_along(&self, axis: ScrollbarAxis, f: impl FnOnce(Self::Unit) -> Self::Unit) -> Self {
9850 match axis {
9851 ScrollbarAxis::Horizontal => ScrollbarAxes {
9852 horizontal: f(self.horizontal),
9853 vertical: self.vertical,
9854 },
9855 ScrollbarAxis::Vertical => ScrollbarAxes {
9856 horizontal: self.horizontal,
9857 vertical: f(self.vertical),
9858 },
9859 }
9860 }
9861}
9862
9863#[derive(Clone)]
9864struct EditorScrollbars {
9865 pub vertical: Option<ScrollbarLayout>,
9866 pub horizontal: Option<ScrollbarLayout>,
9867 pub visible: bool,
9868}
9869
9870impl EditorScrollbars {
9871 pub fn from_scrollbar_axes(
9872 show_scrollbar: ScrollbarAxes,
9873 layout_information: &ScrollbarLayoutInformation,
9874 content_offset: gpui::Point<Pixels>,
9875 scroll_position: gpui::Point<f64>,
9876 scrollbar_width: Pixels,
9877 right_margin: Pixels,
9878 editor_width: Pixels,
9879 show_scrollbars: bool,
9880 scrollbar_state: Option<&ActiveScrollbarState>,
9881 window: &mut Window,
9882 ) -> Self {
9883 let ScrollbarLayoutInformation {
9884 editor_bounds,
9885 scroll_range,
9886 glyph_grid_cell,
9887 } = layout_information;
9888
9889 let viewport_size = size(editor_width, editor_bounds.size.height);
9890
9891 let scrollbar_bounds_for = |axis: ScrollbarAxis| match axis {
9892 ScrollbarAxis::Horizontal => Bounds::from_corner_and_size(
9893 Corner::BottomLeft,
9894 editor_bounds.bottom_left(),
9895 size(
9896 // The horizontal viewport size differs from the space available for the
9897 // horizontal scrollbar, so we have to manually stitch it together here.
9898 editor_bounds.size.width - right_margin,
9899 scrollbar_width,
9900 ),
9901 ),
9902 ScrollbarAxis::Vertical => Bounds::from_corner_and_size(
9903 Corner::TopRight,
9904 editor_bounds.top_right(),
9905 size(scrollbar_width, viewport_size.height),
9906 ),
9907 };
9908
9909 let mut create_scrollbar_layout = |axis| {
9910 let viewport_size = viewport_size.along(axis);
9911 let scroll_range = scroll_range.along(axis);
9912
9913 // We always want a vertical scrollbar track for scrollbar diagnostic visibility.
9914 (show_scrollbar.along(axis)
9915 && (axis == ScrollbarAxis::Vertical || scroll_range > viewport_size))
9916 .then(|| {
9917 ScrollbarLayout::new(
9918 window.insert_hitbox(scrollbar_bounds_for(axis), HitboxBehavior::Normal),
9919 viewport_size,
9920 scroll_range,
9921 glyph_grid_cell.along(axis),
9922 content_offset.along(axis),
9923 scroll_position.along(axis),
9924 show_scrollbars,
9925 axis,
9926 )
9927 .with_thumb_state(
9928 scrollbar_state.and_then(|state| state.thumb_state_for_axis(axis)),
9929 )
9930 })
9931 };
9932
9933 Self {
9934 vertical: create_scrollbar_layout(ScrollbarAxis::Vertical),
9935 horizontal: create_scrollbar_layout(ScrollbarAxis::Horizontal),
9936 visible: show_scrollbars,
9937 }
9938 }
9939
9940 pub fn iter_scrollbars(&self) -> impl Iterator<Item = (&ScrollbarLayout, ScrollbarAxis)> + '_ {
9941 [
9942 (&self.vertical, ScrollbarAxis::Vertical),
9943 (&self.horizontal, ScrollbarAxis::Horizontal),
9944 ]
9945 .into_iter()
9946 .filter_map(|(scrollbar, axis)| scrollbar.as_ref().map(|s| (s, axis)))
9947 }
9948
9949 /// Returns the currently hovered scrollbar axis, if any.
9950 pub fn get_hovered_axis(&self, window: &Window) -> Option<(&ScrollbarLayout, ScrollbarAxis)> {
9951 self.iter_scrollbars()
9952 .find(|s| s.0.hitbox.is_hovered(window))
9953 }
9954}
9955
9956#[derive(Clone)]
9957struct ScrollbarLayout {
9958 hitbox: Hitbox,
9959 visible_range: Range<ScrollOffset>,
9960 text_unit_size: Pixels,
9961 thumb_bounds: Option<Bounds<Pixels>>,
9962 thumb_state: ScrollbarThumbState,
9963}
9964
9965impl ScrollbarLayout {
9966 const BORDER_WIDTH: Pixels = px(1.0);
9967 const LINE_MARKER_HEIGHT: Pixels = px(2.0);
9968 const MIN_MARKER_HEIGHT: Pixels = px(5.0);
9969 const MIN_THUMB_SIZE: Pixels = px(25.0);
9970
9971 fn new(
9972 scrollbar_track_hitbox: Hitbox,
9973 viewport_size: Pixels,
9974 scroll_range: Pixels,
9975 glyph_space: Pixels,
9976 content_offset: Pixels,
9977 scroll_position: ScrollOffset,
9978 show_thumb: bool,
9979 axis: ScrollbarAxis,
9980 ) -> Self {
9981 let track_bounds = scrollbar_track_hitbox.bounds;
9982 // The length of the track available to the scrollbar thumb. We deliberately
9983 // exclude the content size here so that the thumb aligns with the content.
9984 let track_length = track_bounds.size.along(axis) - content_offset;
9985
9986 Self::new_with_hitbox_and_track_length(
9987 scrollbar_track_hitbox,
9988 track_length,
9989 viewport_size,
9990 scroll_range.into(),
9991 glyph_space,
9992 content_offset.into(),
9993 scroll_position,
9994 show_thumb,
9995 axis,
9996 )
9997 }
9998
9999 fn for_minimap(
10000 minimap_track_hitbox: Hitbox,
10001 visible_lines: f64,
10002 total_editor_lines: f64,
10003 minimap_line_height: Pixels,
10004 scroll_position: ScrollOffset,
10005 minimap_scroll_top: ScrollOffset,
10006 show_thumb: bool,
10007 ) -> Self {
10008 // The scrollbar thumb size is calculated as
10009 // (visible_content/total_content) Γ scrollbar_track_length.
10010 //
10011 // For the minimap's thumb layout, we leverage this by setting the
10012 // scrollbar track length to the entire document size (using minimap line
10013 // height). This creates a thumb that exactly represents the editor
10014 // viewport scaled to minimap proportions.
10015 //
10016 // We adjust the thumb position relative to `minimap_scroll_top` to
10017 // accommodate for the deliberately oversized track.
10018 //
10019 // This approach ensures that the minimap thumb accurately reflects the
10020 // editor's current scroll position whilst nicely synchronizing the minimap
10021 // thumb and scrollbar thumb.
10022 let scroll_range = total_editor_lines * f64::from(minimap_line_height);
10023 let viewport_size = visible_lines * f64::from(minimap_line_height);
10024
10025 let track_top_offset = -minimap_scroll_top * f64::from(minimap_line_height);
10026
10027 Self::new_with_hitbox_and_track_length(
10028 minimap_track_hitbox,
10029 Pixels::from(scroll_range),
10030 Pixels::from(viewport_size),
10031 scroll_range,
10032 minimap_line_height,
10033 track_top_offset,
10034 scroll_position,
10035 show_thumb,
10036 ScrollbarAxis::Vertical,
10037 )
10038 }
10039
10040 fn new_with_hitbox_and_track_length(
10041 scrollbar_track_hitbox: Hitbox,
10042 track_length: Pixels,
10043 viewport_size: Pixels,
10044 scroll_range: f64,
10045 glyph_space: Pixels,
10046 content_offset: ScrollOffset,
10047 scroll_position: ScrollOffset,
10048 show_thumb: bool,
10049 axis: ScrollbarAxis,
10050 ) -> Self {
10051 let text_units_per_page = f64::from(viewport_size / glyph_space);
10052 let visible_range = scroll_position..scroll_position + text_units_per_page;
10053 let total_text_units = scroll_range / f64::from(glyph_space);
10054
10055 let thumb_percentage = text_units_per_page / total_text_units;
10056 let thumb_size = Pixels::from(ScrollOffset::from(track_length) * thumb_percentage)
10057 .max(ScrollbarLayout::MIN_THUMB_SIZE)
10058 .min(track_length);
10059
10060 let text_unit_divisor = (total_text_units - text_units_per_page).max(0.);
10061
10062 let content_larger_than_viewport = text_unit_divisor > 0.;
10063
10064 let text_unit_size = if content_larger_than_viewport {
10065 Pixels::from(ScrollOffset::from(track_length - thumb_size) / text_unit_divisor)
10066 } else {
10067 glyph_space
10068 };
10069
10070 let thumb_bounds = (show_thumb && content_larger_than_viewport).then(|| {
10071 Self::thumb_bounds(
10072 &scrollbar_track_hitbox,
10073 content_offset,
10074 visible_range.start,
10075 text_unit_size,
10076 thumb_size,
10077 axis,
10078 )
10079 });
10080
10081 ScrollbarLayout {
10082 hitbox: scrollbar_track_hitbox,
10083 visible_range,
10084 text_unit_size,
10085 thumb_bounds,
10086 thumb_state: Default::default(),
10087 }
10088 }
10089
10090 fn with_thumb_state(self, thumb_state: Option<ScrollbarThumbState>) -> Self {
10091 if let Some(thumb_state) = thumb_state {
10092 Self {
10093 thumb_state,
10094 ..self
10095 }
10096 } else {
10097 self
10098 }
10099 }
10100
10101 fn thumb_bounds(
10102 scrollbar_track: &Hitbox,
10103 content_offset: f64,
10104 visible_range_start: f64,
10105 text_unit_size: Pixels,
10106 thumb_size: Pixels,
10107 axis: ScrollbarAxis,
10108 ) -> Bounds<Pixels> {
10109 let thumb_origin = scrollbar_track.origin.apply_along(axis, |origin| {
10110 origin
10111 + Pixels::from(
10112 content_offset + visible_range_start * ScrollOffset::from(text_unit_size),
10113 )
10114 });
10115 Bounds::new(
10116 thumb_origin,
10117 scrollbar_track.size.apply_along(axis, |_| thumb_size),
10118 )
10119 }
10120
10121 fn thumb_hovered(&self, position: &gpui::Point<Pixels>) -> bool {
10122 self.thumb_bounds
10123 .is_some_and(|bounds| bounds.contains(position))
10124 }
10125
10126 fn marker_quads_for_ranges(
10127 &self,
10128 row_ranges: impl IntoIterator<Item = ColoredRange<DisplayRow>>,
10129 column: Option<usize>,
10130 ) -> Vec<PaintQuad> {
10131 struct MinMax {
10132 min: Pixels,
10133 max: Pixels,
10134 }
10135 let (x_range, height_limit) = if let Some(column) = column {
10136 let column_width = ((self.hitbox.size.width - Self::BORDER_WIDTH) / 3.0).floor();
10137 let start = Self::BORDER_WIDTH + (column as f32 * column_width);
10138 let end = start + column_width;
10139 (
10140 Range { start, end },
10141 MinMax {
10142 min: Self::MIN_MARKER_HEIGHT,
10143 max: px(f32::MAX),
10144 },
10145 )
10146 } else {
10147 (
10148 Range {
10149 start: Self::BORDER_WIDTH,
10150 end: self.hitbox.size.width,
10151 },
10152 MinMax {
10153 min: Self::LINE_MARKER_HEIGHT,
10154 max: Self::LINE_MARKER_HEIGHT,
10155 },
10156 )
10157 };
10158
10159 let row_to_y = |row: DisplayRow| row.as_f64() as f32 * self.text_unit_size;
10160 let mut pixel_ranges = row_ranges
10161 .into_iter()
10162 .map(|range| {
10163 let start_y = row_to_y(range.start);
10164 let end_y = row_to_y(range.end)
10165 + self
10166 .text_unit_size
10167 .max(height_limit.min)
10168 .min(height_limit.max);
10169 ColoredRange {
10170 start: start_y,
10171 end: end_y,
10172 color: range.color,
10173 }
10174 })
10175 .peekable();
10176
10177 let mut quads = Vec::new();
10178 while let Some(mut pixel_range) = pixel_ranges.next() {
10179 while let Some(next_pixel_range) = pixel_ranges.peek() {
10180 if pixel_range.end >= next_pixel_range.start - px(1.0)
10181 && pixel_range.color == next_pixel_range.color
10182 {
10183 pixel_range.end = next_pixel_range.end.max(pixel_range.end);
10184 pixel_ranges.next();
10185 } else {
10186 break;
10187 }
10188 }
10189
10190 let bounds = Bounds::from_corners(
10191 point(x_range.start, pixel_range.start),
10192 point(x_range.end, pixel_range.end),
10193 );
10194 quads.push(quad(
10195 bounds,
10196 Corners::default(),
10197 pixel_range.color,
10198 Edges::default(),
10199 Hsla::transparent_black(),
10200 BorderStyle::default(),
10201 ));
10202 }
10203
10204 quads
10205 }
10206}
10207
10208struct MinimapLayout {
10209 pub minimap: AnyElement,
10210 pub thumb_layout: ScrollbarLayout,
10211 pub minimap_scroll_top: ScrollOffset,
10212 pub minimap_line_height: Pixels,
10213 pub thumb_border_style: MinimapThumbBorder,
10214 pub max_scroll_top: ScrollOffset,
10215}
10216
10217impl MinimapLayout {
10218 /// The minimum width of the minimap in columns. If the minimap is smaller than this, it will be hidden.
10219 const MINIMAP_MIN_WIDTH_COLUMNS: f32 = 20.;
10220 /// The minimap width as a percentage of the editor width.
10221 const MINIMAP_WIDTH_PCT: f32 = 0.15;
10222 /// Calculates the scroll top offset the minimap editor has to have based on the
10223 /// current scroll progress.
10224 fn calculate_minimap_top_offset(
10225 document_lines: f64,
10226 visible_editor_lines: f64,
10227 visible_minimap_lines: f64,
10228 scroll_position: f64,
10229 ) -> ScrollOffset {
10230 let non_visible_document_lines = (document_lines - visible_editor_lines).max(0.);
10231 if non_visible_document_lines == 0. {
10232 0.
10233 } else {
10234 let scroll_percentage = (scroll_position / non_visible_document_lines).clamp(0., 1.);
10235 scroll_percentage * (document_lines - visible_minimap_lines).max(0.)
10236 }
10237 }
10238}
10239
10240struct CreaseTrailerLayout {
10241 element: AnyElement,
10242 bounds: Bounds<Pixels>,
10243}
10244
10245pub(crate) struct PositionMap {
10246 pub size: Size<Pixels>,
10247 pub line_height: Pixels,
10248 pub scroll_position: gpui::Point<ScrollOffset>,
10249 pub scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
10250 pub scroll_max: gpui::Point<ScrollOffset>,
10251 pub em_width: Pixels,
10252 pub em_advance: Pixels,
10253 pub visible_row_range: Range<DisplayRow>,
10254 pub line_layouts: Vec<LineWithInvisibles>,
10255 pub snapshot: EditorSnapshot,
10256 pub text_hitbox: Hitbox,
10257 pub gutter_hitbox: Hitbox,
10258 pub inline_blame_bounds: Option<(Bounds<Pixels>, BufferId, BlameEntry)>,
10259 pub display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
10260 pub diff_hunk_control_bounds: Vec<(DisplayRow, Bounds<Pixels>)>,
10261}
10262
10263#[derive(Debug, Copy, Clone)]
10264pub struct PointForPosition {
10265 pub previous_valid: DisplayPoint,
10266 pub next_valid: DisplayPoint,
10267 pub exact_unclipped: DisplayPoint,
10268 pub column_overshoot_after_line_end: u32,
10269}
10270
10271impl PointForPosition {
10272 pub fn as_valid(&self) -> Option<DisplayPoint> {
10273 if self.previous_valid == self.exact_unclipped && self.next_valid == self.exact_unclipped {
10274 Some(self.previous_valid)
10275 } else {
10276 None
10277 }
10278 }
10279
10280 pub fn intersects_selection(&self, selection: &Selection<DisplayPoint>) -> bool {
10281 let Some(valid_point) = self.as_valid() else {
10282 return false;
10283 };
10284 let range = selection.range();
10285
10286 let candidate_row = valid_point.row();
10287 let candidate_col = valid_point.column();
10288
10289 let start_row = range.start.row();
10290 let start_col = range.start.column();
10291 let end_row = range.end.row();
10292 let end_col = range.end.column();
10293
10294 if candidate_row < start_row || candidate_row > end_row {
10295 false
10296 } else if start_row == end_row {
10297 candidate_col >= start_col && candidate_col < end_col
10298 } else if candidate_row == start_row {
10299 candidate_col >= start_col
10300 } else if candidate_row == end_row {
10301 candidate_col < end_col
10302 } else {
10303 true
10304 }
10305 }
10306}
10307
10308impl PositionMap {
10309 pub(crate) fn point_for_position(&self, position: gpui::Point<Pixels>) -> PointForPosition {
10310 let text_bounds = self.text_hitbox.bounds;
10311 let scroll_position = self.snapshot.scroll_position();
10312 let position = position - text_bounds.origin;
10313 let y = position.y.max(px(0.)).min(self.size.height);
10314 let x = position.x + (scroll_position.x as f32 * self.em_advance);
10315 let row = ((y / self.line_height) as f64 + scroll_position.y) as u32;
10316
10317 let (column, x_overshoot_after_line_end) = if let Some(line) = self
10318 .line_layouts
10319 .get(row as usize - scroll_position.y as usize)
10320 {
10321 if let Some(ix) = line.index_for_x(x) {
10322 (ix as u32, px(0.))
10323 } else {
10324 (line.len as u32, px(0.).max(x - line.width))
10325 }
10326 } else {
10327 (0, x)
10328 };
10329
10330 let mut exact_unclipped = DisplayPoint::new(DisplayRow(row), column);
10331 let previous_valid = self.snapshot.clip_point(exact_unclipped, Bias::Left);
10332 let next_valid = self.snapshot.clip_point(exact_unclipped, Bias::Right);
10333
10334 let column_overshoot_after_line_end = (x_overshoot_after_line_end / self.em_advance) as u32;
10335 *exact_unclipped.column_mut() += column_overshoot_after_line_end;
10336 PointForPosition {
10337 previous_valid,
10338 next_valid,
10339 exact_unclipped,
10340 column_overshoot_after_line_end,
10341 }
10342 }
10343}
10344
10345struct BlockLayout {
10346 id: BlockId,
10347 x_offset: Pixels,
10348 row: Option<DisplayRow>,
10349 element: AnyElement,
10350 available_space: Size<AvailableSpace>,
10351 style: BlockStyle,
10352 overlaps_gutter: bool,
10353 is_buffer_header: bool,
10354}
10355
10356pub fn layout_line(
10357 row: DisplayRow,
10358 snapshot: &EditorSnapshot,
10359 style: &EditorStyle,
10360 text_width: Pixels,
10361 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
10362 window: &mut Window,
10363 cx: &mut App,
10364) -> LineWithInvisibles {
10365 let chunks = snapshot.highlighted_chunks(row..row + DisplayRow(1), true, style);
10366 LineWithInvisibles::from_chunks(
10367 chunks,
10368 style,
10369 MAX_LINE_LEN,
10370 1,
10371 &snapshot.mode,
10372 text_width,
10373 is_row_soft_wrapped,
10374 &[],
10375 window,
10376 cx,
10377 )
10378 .pop()
10379 .unwrap()
10380}
10381
10382#[derive(Debug)]
10383pub struct IndentGuideLayout {
10384 origin: gpui::Point<Pixels>,
10385 length: Pixels,
10386 single_indent_width: Pixels,
10387 depth: u32,
10388 active: bool,
10389 settings: IndentGuideSettings,
10390}
10391
10392pub struct CursorLayout {
10393 origin: gpui::Point<Pixels>,
10394 block_width: Pixels,
10395 line_height: Pixels,
10396 color: Hsla,
10397 shape: CursorShape,
10398 block_text: Option<ShapedLine>,
10399 cursor_name: Option<AnyElement>,
10400}
10401
10402#[derive(Debug)]
10403pub struct CursorName {
10404 string: SharedString,
10405 color: Hsla,
10406 is_top_row: bool,
10407}
10408
10409impl CursorLayout {
10410 pub fn new(
10411 origin: gpui::Point<Pixels>,
10412 block_width: Pixels,
10413 line_height: Pixels,
10414 color: Hsla,
10415 shape: CursorShape,
10416 block_text: Option<ShapedLine>,
10417 ) -> CursorLayout {
10418 CursorLayout {
10419 origin,
10420 block_width,
10421 line_height,
10422 color,
10423 shape,
10424 block_text,
10425 cursor_name: None,
10426 }
10427 }
10428
10429 pub fn bounding_rect(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10430 Bounds {
10431 origin: self.origin + origin,
10432 size: size(self.block_width, self.line_height),
10433 }
10434 }
10435
10436 fn bounds(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10437 match self.shape {
10438 CursorShape::Bar => Bounds {
10439 origin: self.origin + origin,
10440 size: size(px(2.0), self.line_height),
10441 },
10442 CursorShape::Block | CursorShape::Hollow => Bounds {
10443 origin: self.origin + origin,
10444 size: size(self.block_width, self.line_height),
10445 },
10446 CursorShape::Underline => Bounds {
10447 origin: self.origin
10448 + origin
10449 + gpui::Point::new(Pixels::ZERO, self.line_height - px(2.0)),
10450 size: size(self.block_width, px(2.0)),
10451 },
10452 }
10453 }
10454
10455 pub fn layout(
10456 &mut self,
10457 origin: gpui::Point<Pixels>,
10458 cursor_name: Option<CursorName>,
10459 window: &mut Window,
10460 cx: &mut App,
10461 ) {
10462 if let Some(cursor_name) = cursor_name {
10463 let bounds = self.bounds(origin);
10464 let text_size = self.line_height / 1.5;
10465
10466 let name_origin = if cursor_name.is_top_row {
10467 point(bounds.right() - px(1.), bounds.top())
10468 } else {
10469 match self.shape {
10470 CursorShape::Bar => point(
10471 bounds.right() - px(2.),
10472 bounds.top() - text_size / 2. - px(1.),
10473 ),
10474 _ => point(
10475 bounds.right() - px(1.),
10476 bounds.top() - text_size / 2. - px(1.),
10477 ),
10478 }
10479 };
10480 let mut name_element = div()
10481 .bg(self.color)
10482 .text_size(text_size)
10483 .px_0p5()
10484 .line_height(text_size + px(2.))
10485 .text_color(cursor_name.color)
10486 .child(cursor_name.string)
10487 .into_any_element();
10488
10489 name_element.prepaint_as_root(name_origin, AvailableSpace::min_size(), window, cx);
10490
10491 self.cursor_name = Some(name_element);
10492 }
10493 }
10494
10495 pub fn paint(&mut self, origin: gpui::Point<Pixels>, window: &mut Window, cx: &mut App) {
10496 let bounds = self.bounds(origin);
10497
10498 //Draw background or border quad
10499 let cursor = if matches!(self.shape, CursorShape::Hollow) {
10500 outline(bounds, self.color, BorderStyle::Solid)
10501 } else {
10502 fill(bounds, self.color)
10503 };
10504
10505 if let Some(name) = &mut self.cursor_name {
10506 name.paint(window, cx);
10507 }
10508
10509 window.paint_quad(cursor);
10510
10511 if let Some(block_text) = &self.block_text {
10512 block_text
10513 .paint(self.origin + origin, self.line_height, window, cx)
10514 .log_err();
10515 }
10516 }
10517
10518 pub fn shape(&self) -> CursorShape {
10519 self.shape
10520 }
10521}
10522
10523#[derive(Debug)]
10524pub struct HighlightedRange {
10525 pub start_y: Pixels,
10526 pub line_height: Pixels,
10527 pub lines: Vec<HighlightedRangeLine>,
10528 pub color: Hsla,
10529 pub corner_radius: Pixels,
10530}
10531
10532#[derive(Debug)]
10533pub struct HighlightedRangeLine {
10534 pub start_x: Pixels,
10535 pub end_x: Pixels,
10536}
10537
10538impl HighlightedRange {
10539 pub fn paint(&self, fill: bool, bounds: Bounds<Pixels>, window: &mut Window) {
10540 if self.lines.len() >= 2 && self.lines[0].start_x > self.lines[1].end_x {
10541 self.paint_lines(self.start_y, &self.lines[0..1], fill, bounds, window);
10542 self.paint_lines(
10543 self.start_y + self.line_height,
10544 &self.lines[1..],
10545 fill,
10546 bounds,
10547 window,
10548 );
10549 } else {
10550 self.paint_lines(self.start_y, &self.lines, fill, bounds, window);
10551 }
10552 }
10553
10554 fn paint_lines(
10555 &self,
10556 start_y: Pixels,
10557 lines: &[HighlightedRangeLine],
10558 fill: bool,
10559 _bounds: Bounds<Pixels>,
10560 window: &mut Window,
10561 ) {
10562 if lines.is_empty() {
10563 return;
10564 }
10565
10566 let first_line = lines.first().unwrap();
10567 let last_line = lines.last().unwrap();
10568
10569 let first_top_left = point(first_line.start_x, start_y);
10570 let first_top_right = point(first_line.end_x, start_y);
10571
10572 let curve_height = point(Pixels::ZERO, self.corner_radius);
10573 let curve_width = |start_x: Pixels, end_x: Pixels| {
10574 let max = (end_x - start_x) / 2.;
10575 let width = if max < self.corner_radius {
10576 max
10577 } else {
10578 self.corner_radius
10579 };
10580
10581 point(width, Pixels::ZERO)
10582 };
10583
10584 let top_curve_width = curve_width(first_line.start_x, first_line.end_x);
10585 let mut builder = if fill {
10586 gpui::PathBuilder::fill()
10587 } else {
10588 gpui::PathBuilder::stroke(px(1.))
10589 };
10590 builder.move_to(first_top_right - top_curve_width);
10591 builder.curve_to(first_top_right + curve_height, first_top_right);
10592
10593 let mut iter = lines.iter().enumerate().peekable();
10594 while let Some((ix, line)) = iter.next() {
10595 let bottom_right = point(line.end_x, start_y + (ix + 1) as f32 * self.line_height);
10596
10597 if let Some((_, next_line)) = iter.peek() {
10598 let next_top_right = point(next_line.end_x, bottom_right.y);
10599
10600 match next_top_right.x.partial_cmp(&bottom_right.x).unwrap() {
10601 Ordering::Equal => {
10602 builder.line_to(bottom_right);
10603 }
10604 Ordering::Less => {
10605 let curve_width = curve_width(next_top_right.x, bottom_right.x);
10606 builder.line_to(bottom_right - curve_height);
10607 if self.corner_radius > Pixels::ZERO {
10608 builder.curve_to(bottom_right - curve_width, bottom_right);
10609 }
10610 builder.line_to(next_top_right + curve_width);
10611 if self.corner_radius > Pixels::ZERO {
10612 builder.curve_to(next_top_right + curve_height, next_top_right);
10613 }
10614 }
10615 Ordering::Greater => {
10616 let curve_width = curve_width(bottom_right.x, next_top_right.x);
10617 builder.line_to(bottom_right - curve_height);
10618 if self.corner_radius > Pixels::ZERO {
10619 builder.curve_to(bottom_right + curve_width, bottom_right);
10620 }
10621 builder.line_to(next_top_right - curve_width);
10622 if self.corner_radius > Pixels::ZERO {
10623 builder.curve_to(next_top_right + curve_height, next_top_right);
10624 }
10625 }
10626 }
10627 } else {
10628 let curve_width = curve_width(line.start_x, line.end_x);
10629 builder.line_to(bottom_right - curve_height);
10630 if self.corner_radius > Pixels::ZERO {
10631 builder.curve_to(bottom_right - curve_width, bottom_right);
10632 }
10633
10634 let bottom_left = point(line.start_x, bottom_right.y);
10635 builder.line_to(bottom_left + curve_width);
10636 if self.corner_radius > Pixels::ZERO {
10637 builder.curve_to(bottom_left - curve_height, bottom_left);
10638 }
10639 }
10640 }
10641
10642 if first_line.start_x > last_line.start_x {
10643 let curve_width = curve_width(last_line.start_x, first_line.start_x);
10644 let second_top_left = point(last_line.start_x, start_y + self.line_height);
10645 builder.line_to(second_top_left + curve_height);
10646 if self.corner_radius > Pixels::ZERO {
10647 builder.curve_to(second_top_left + curve_width, second_top_left);
10648 }
10649 let first_bottom_left = point(first_line.start_x, second_top_left.y);
10650 builder.line_to(first_bottom_left - curve_width);
10651 if self.corner_radius > Pixels::ZERO {
10652 builder.curve_to(first_bottom_left - curve_height, first_bottom_left);
10653 }
10654 }
10655
10656 builder.line_to(first_top_left + curve_height);
10657 if self.corner_radius > Pixels::ZERO {
10658 builder.curve_to(first_top_left + top_curve_width, first_top_left);
10659 }
10660 builder.line_to(first_top_right - top_curve_width);
10661
10662 if let Ok(path) = builder.build() {
10663 window.paint_path(path, self.color);
10664 }
10665 }
10666}
10667
10668enum CursorPopoverType {
10669 CodeContextMenu,
10670 EditPrediction,
10671}
10672
10673pub fn scale_vertical_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10674 (delta.pow(1.2) / 100.0).min(px(3.0)).into()
10675}
10676
10677fn scale_horizontal_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10678 (delta.pow(1.2) / 300.0).into()
10679}
10680
10681pub fn register_action<T: Action>(
10682 editor: &Entity<Editor>,
10683 window: &mut Window,
10684 listener: impl Fn(&mut Editor, &T, &mut Window, &mut Context<Editor>) + 'static,
10685) {
10686 let editor = editor.clone();
10687 window.on_action(TypeId::of::<T>(), move |action, phase, window, cx| {
10688 let action = action.downcast_ref().unwrap();
10689 if phase == DispatchPhase::Bubble {
10690 editor.update(cx, |editor, cx| {
10691 listener(editor, action, window, cx);
10692 })
10693 }
10694 })
10695}
10696
10697fn compute_auto_height_layout(
10698 editor: &mut Editor,
10699 min_lines: usize,
10700 max_lines: Option<usize>,
10701 max_line_number_width: Pixels,
10702 known_dimensions: Size<Option<Pixels>>,
10703 available_width: AvailableSpace,
10704 window: &mut Window,
10705 cx: &mut Context<Editor>,
10706) -> Option<Size<Pixels>> {
10707 let width = known_dimensions.width.or({
10708 if let AvailableSpace::Definite(available_width) = available_width {
10709 Some(available_width)
10710 } else {
10711 None
10712 }
10713 })?;
10714 if let Some(height) = known_dimensions.height {
10715 return Some(size(width, height));
10716 }
10717
10718 let style = editor.style.as_ref().unwrap();
10719 let font_id = window.text_system().resolve_font(&style.text.font());
10720 let font_size = style.text.font_size.to_pixels(window.rem_size());
10721 let line_height = style.text.line_height_in_pixels(window.rem_size());
10722 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
10723
10724 let mut snapshot = editor.snapshot(window, cx);
10725 let gutter_dimensions = snapshot
10726 .gutter_dimensions(font_id, font_size, max_line_number_width, cx)
10727 .or_else(|| {
10728 editor
10729 .offset_content
10730 .then(|| GutterDimensions::default_with_margin(font_id, font_size, cx))
10731 })
10732 .unwrap_or_default();
10733
10734 editor.gutter_dimensions = gutter_dimensions;
10735 let text_width = width - gutter_dimensions.width;
10736 let overscroll = size(em_width, px(0.));
10737
10738 let editor_width = text_width - gutter_dimensions.margin - overscroll.width - em_width;
10739 if !matches!(editor.soft_wrap_mode(cx), SoftWrap::None)
10740 && editor.set_wrap_width(Some(editor_width), cx)
10741 {
10742 snapshot = editor.snapshot(window, cx);
10743 }
10744
10745 let scroll_height = (snapshot.max_point().row().next_row().0 as f32) * line_height;
10746
10747 let min_height = line_height * min_lines as f32;
10748 let content_height = scroll_height.max(min_height);
10749
10750 let final_height = if let Some(max_lines) = max_lines {
10751 let max_height = line_height * max_lines as f32;
10752 content_height.min(max_height)
10753 } else {
10754 content_height
10755 };
10756
10757 Some(size(width, final_height))
10758}
10759
10760#[cfg(test)]
10761mod tests {
10762 use super::*;
10763 use crate::{
10764 Editor, MultiBuffer, SelectionEffects,
10765 display_map::{BlockPlacement, BlockProperties},
10766 editor_tests::{init_test, update_test_language_settings},
10767 };
10768 use gpui::{TestAppContext, VisualTestContext};
10769 use language::language_settings;
10770 use log::info;
10771 use std::num::NonZeroU32;
10772 use util::test::sample_text;
10773
10774 #[gpui::test]
10775 async fn test_soft_wrap_editor_width_auto_height_editor(cx: &mut TestAppContext) {
10776 init_test(cx, |_| {});
10777
10778 let window = cx.add_window(|window, cx| {
10779 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10780 let mut editor = Editor::new(
10781 EditorMode::AutoHeight {
10782 min_lines: 1,
10783 max_lines: None,
10784 },
10785 buffer,
10786 None,
10787 window,
10788 cx,
10789 );
10790 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10791 editor
10792 });
10793 let cx = &mut VisualTestContext::from_window(*window, cx);
10794 let editor = window.root(cx).unwrap();
10795 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10796
10797 for x in 1..=100 {
10798 let (_, state) = cx.draw(
10799 Default::default(),
10800 size(px(200. + 0.13 * x as f32), px(500.)),
10801 |_, _| EditorElement::new(&editor, style.clone()),
10802 );
10803
10804 assert!(
10805 state.position_map.scroll_max.x == 0.,
10806 "Soft wrapped editor should have no horizontal scrolling!"
10807 );
10808 }
10809 }
10810
10811 #[gpui::test]
10812 async fn test_soft_wrap_editor_width_full_editor(cx: &mut TestAppContext) {
10813 init_test(cx, |_| {});
10814
10815 let window = cx.add_window(|window, cx| {
10816 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10817 let mut editor = Editor::new(EditorMode::full(), buffer, None, window, cx);
10818 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10819 editor
10820 });
10821 let cx = &mut VisualTestContext::from_window(*window, cx);
10822 let editor = window.root(cx).unwrap();
10823 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10824
10825 for x in 1..=100 {
10826 let (_, state) = cx.draw(
10827 Default::default(),
10828 size(px(200. + 0.13 * x as f32), px(500.)),
10829 |_, _| EditorElement::new(&editor, style.clone()),
10830 );
10831
10832 assert!(
10833 state.position_map.scroll_max.x == 0.,
10834 "Soft wrapped editor should have no horizontal scrolling!"
10835 );
10836 }
10837 }
10838
10839 #[gpui::test]
10840 fn test_shape_line_numbers(cx: &mut TestAppContext) {
10841 init_test(cx, |_| {});
10842 let window = cx.add_window(|window, cx| {
10843 let buffer = MultiBuffer::build_simple(&sample_text(6, 6, 'a'), cx);
10844 Editor::new(EditorMode::full(), buffer, None, window, cx)
10845 });
10846
10847 let editor = window.root(cx).unwrap();
10848 let style = cx.update(|cx| editor.read(cx).style().unwrap().clone());
10849 let line_height = window
10850 .update(cx, |_, window, _| {
10851 style.text.line_height_in_pixels(window.rem_size())
10852 })
10853 .unwrap();
10854 let element = EditorElement::new(&editor, style);
10855 let snapshot = window
10856 .update(cx, |editor, window, cx| editor.snapshot(window, cx))
10857 .unwrap();
10858
10859 let layouts = cx
10860 .update_window(*window, |_, window, cx| {
10861 element.layout_line_numbers(
10862 None,
10863 GutterDimensions {
10864 left_padding: Pixels::ZERO,
10865 right_padding: Pixels::ZERO,
10866 width: px(30.0),
10867 margin: Pixels::ZERO,
10868 git_blame_entries_width: None,
10869 },
10870 line_height,
10871 gpui::Point::default(),
10872 DisplayRow(0)..DisplayRow(6),
10873 &(0..6)
10874 .map(|row| RowInfo {
10875 buffer_row: Some(row),
10876 ..Default::default()
10877 })
10878 .collect::<Vec<_>>(),
10879 &BTreeMap::default(),
10880 Some(DisplayPoint::new(DisplayRow(0), 0)),
10881 &snapshot,
10882 window,
10883 cx,
10884 )
10885 })
10886 .unwrap();
10887 assert_eq!(layouts.len(), 6);
10888
10889 let relative_rows = window
10890 .update(cx, |editor, window, cx| {
10891 let snapshot = editor.snapshot(window, cx);
10892 element.calculate_relative_line_numbers(
10893 &snapshot,
10894 &(DisplayRow(0)..DisplayRow(6)),
10895 Some(DisplayRow(3)),
10896 false,
10897 )
10898 })
10899 .unwrap();
10900 assert_eq!(relative_rows[&DisplayRow(0)], 3);
10901 assert_eq!(relative_rows[&DisplayRow(1)], 2);
10902 assert_eq!(relative_rows[&DisplayRow(2)], 1);
10903 // current line has no relative number
10904 assert_eq!(relative_rows[&DisplayRow(4)], 1);
10905 assert_eq!(relative_rows[&DisplayRow(5)], 2);
10906
10907 // works if cursor is before screen
10908 let relative_rows = window
10909 .update(cx, |editor, window, cx| {
10910 let snapshot = editor.snapshot(window, cx);
10911 element.calculate_relative_line_numbers(
10912 &snapshot,
10913 &(DisplayRow(3)..DisplayRow(6)),
10914 Some(DisplayRow(1)),
10915 false,
10916 )
10917 })
10918 .unwrap();
10919 assert_eq!(relative_rows.len(), 3);
10920 assert_eq!(relative_rows[&DisplayRow(3)], 2);
10921 assert_eq!(relative_rows[&DisplayRow(4)], 3);
10922 assert_eq!(relative_rows[&DisplayRow(5)], 4);
10923
10924 // works if cursor is after screen
10925 let relative_rows = window
10926 .update(cx, |editor, window, cx| {
10927 let snapshot = editor.snapshot(window, cx);
10928 element.calculate_relative_line_numbers(
10929 &snapshot,
10930 &(DisplayRow(0)..DisplayRow(3)),
10931 Some(DisplayRow(6)),
10932 false,
10933 )
10934 })
10935 .unwrap();
10936 assert_eq!(relative_rows.len(), 3);
10937 assert_eq!(relative_rows[&DisplayRow(0)], 5);
10938 assert_eq!(relative_rows[&DisplayRow(1)], 4);
10939 assert_eq!(relative_rows[&DisplayRow(2)], 3);
10940 }
10941
10942 #[gpui::test]
10943 fn test_shape_line_numbers_wrapping(cx: &mut TestAppContext) {
10944 init_test(cx, |_| {});
10945 let window = cx.add_window(|window, cx| {
10946 let buffer = MultiBuffer::build_simple(&sample_text(6, 6, 'a'), cx);
10947 Editor::new(EditorMode::full(), buffer, None, window, cx)
10948 });
10949
10950 update_test_language_settings(cx, |s| {
10951 s.defaults.preferred_line_length = Some(5 as u32);
10952 s.defaults.soft_wrap = Some(language_settings::SoftWrap::PreferredLineLength);
10953 });
10954
10955 let editor = window.root(cx).unwrap();
10956 let style = cx.update(|cx| editor.read(cx).style().unwrap().clone());
10957 let line_height = window
10958 .update(cx, |_, window, _| {
10959 style.text.line_height_in_pixels(window.rem_size())
10960 })
10961 .unwrap();
10962 let element = EditorElement::new(&editor, style);
10963 let snapshot = window
10964 .update(cx, |editor, window, cx| editor.snapshot(window, cx))
10965 .unwrap();
10966
10967 let layouts = cx
10968 .update_window(*window, |_, window, cx| {
10969 element.layout_line_numbers(
10970 None,
10971 GutterDimensions {
10972 left_padding: Pixels::ZERO,
10973 right_padding: Pixels::ZERO,
10974 width: px(30.0),
10975 margin: Pixels::ZERO,
10976 git_blame_entries_width: None,
10977 },
10978 line_height,
10979 gpui::Point::default(),
10980 DisplayRow(0)..DisplayRow(6),
10981 &(0..6)
10982 .map(|row| RowInfo {
10983 buffer_row: Some(row),
10984 ..Default::default()
10985 })
10986 .collect::<Vec<_>>(),
10987 &BTreeMap::default(),
10988 Some(DisplayPoint::new(DisplayRow(0), 0)),
10989 &snapshot,
10990 window,
10991 cx,
10992 )
10993 })
10994 .unwrap();
10995 assert_eq!(layouts.len(), 6);
10996
10997 let relative_rows = window
10998 .update(cx, |editor, window, cx| {
10999 let snapshot = editor.snapshot(window, cx);
11000 element.calculate_relative_line_numbers(
11001 &snapshot,
11002 &(DisplayRow(0)..DisplayRow(6)),
11003 Some(DisplayRow(3)),
11004 true,
11005 )
11006 })
11007 .unwrap();
11008 dbg!(&relative_rows);
11009 assert_eq!(relative_rows[&DisplayRow(0)], 3);
11010 assert_eq!(relative_rows[&DisplayRow(1)], 2);
11011 assert_eq!(relative_rows[&DisplayRow(2)], 1);
11012 // current line has no relative number
11013 assert_eq!(relative_rows[&DisplayRow(4)], 1);
11014 assert_eq!(relative_rows[&DisplayRow(5)], 2);
11015 }
11016
11017 #[gpui::test]
11018 async fn test_vim_visual_selections(cx: &mut TestAppContext) {
11019 init_test(cx, |_| {});
11020
11021 let window = cx.add_window(|window, cx| {
11022 let buffer = MultiBuffer::build_simple(&(sample_text(6, 6, 'a') + "\n"), cx);
11023 Editor::new(EditorMode::full(), buffer, None, window, cx)
11024 });
11025 let cx = &mut VisualTestContext::from_window(*window, cx);
11026 let editor = window.root(cx).unwrap();
11027 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
11028
11029 window
11030 .update(cx, |editor, window, cx| {
11031 editor.cursor_shape = CursorShape::Block;
11032 editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
11033 s.select_ranges([
11034 Point::new(0, 0)..Point::new(1, 0),
11035 Point::new(3, 2)..Point::new(3, 3),
11036 Point::new(5, 6)..Point::new(6, 0),
11037 ]);
11038 });
11039 })
11040 .unwrap();
11041
11042 let (_, state) = cx.draw(
11043 point(px(500.), px(500.)),
11044 size(px(500.), px(500.)),
11045 |_, _| EditorElement::new(&editor, style),
11046 );
11047
11048 assert_eq!(state.selections.len(), 1);
11049 let local_selections = &state.selections[0].1;
11050 assert_eq!(local_selections.len(), 3);
11051 // moves cursor back one line
11052 assert_eq!(
11053 local_selections[0].head,
11054 DisplayPoint::new(DisplayRow(0), 6)
11055 );
11056 assert_eq!(
11057 local_selections[0].range,
11058 DisplayPoint::new(DisplayRow(0), 0)..DisplayPoint::new(DisplayRow(1), 0)
11059 );
11060
11061 // moves cursor back one column
11062 assert_eq!(
11063 local_selections[1].range,
11064 DisplayPoint::new(DisplayRow(3), 2)..DisplayPoint::new(DisplayRow(3), 3)
11065 );
11066 assert_eq!(
11067 local_selections[1].head,
11068 DisplayPoint::new(DisplayRow(3), 2)
11069 );
11070
11071 // leaves cursor on the max point
11072 assert_eq!(
11073 local_selections[2].range,
11074 DisplayPoint::new(DisplayRow(5), 6)..DisplayPoint::new(DisplayRow(6), 0)
11075 );
11076 assert_eq!(
11077 local_selections[2].head,
11078 DisplayPoint::new(DisplayRow(6), 0)
11079 );
11080
11081 // active lines does not include 1 (even though the range of the selection does)
11082 assert_eq!(
11083 state.active_rows.keys().cloned().collect::<Vec<_>>(),
11084 vec![DisplayRow(0), DisplayRow(3), DisplayRow(5), DisplayRow(6)]
11085 );
11086 }
11087
11088 #[gpui::test]
11089 fn test_layout_with_placeholder_text_and_blocks(cx: &mut TestAppContext) {
11090 init_test(cx, |_| {});
11091
11092 let window = cx.add_window(|window, cx| {
11093 let buffer = MultiBuffer::build_simple("", cx);
11094 Editor::new(EditorMode::full(), buffer, None, window, cx)
11095 });
11096 let cx = &mut VisualTestContext::from_window(*window, cx);
11097 let editor = window.root(cx).unwrap();
11098 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
11099 window
11100 .update(cx, |editor, window, cx| {
11101 editor.set_placeholder_text("hello", window, cx);
11102 editor.insert_blocks(
11103 [BlockProperties {
11104 style: BlockStyle::Fixed,
11105 placement: BlockPlacement::Above(Anchor::min()),
11106 height: Some(3),
11107 render: Arc::new(|cx| div().h(3. * cx.window.line_height()).into_any()),
11108 priority: 0,
11109 }],
11110 None,
11111 cx,
11112 );
11113
11114 // Blur the editor so that it displays placeholder text.
11115 window.blur();
11116 })
11117 .unwrap();
11118
11119 let (_, state) = cx.draw(
11120 point(px(500.), px(500.)),
11121 size(px(500.), px(500.)),
11122 |_, _| EditorElement::new(&editor, style),
11123 );
11124 assert_eq!(state.position_map.line_layouts.len(), 4);
11125 assert_eq!(state.line_numbers.len(), 1);
11126 assert_eq!(
11127 state
11128 .line_numbers
11129 .get(&MultiBufferRow(0))
11130 .map(|line_number| line_number.shaped_line.text.as_ref()),
11131 Some("1")
11132 );
11133 }
11134
11135 #[gpui::test]
11136 fn test_all_invisibles_drawing(cx: &mut TestAppContext) {
11137 const TAB_SIZE: u32 = 4;
11138
11139 let input_text = "\t \t|\t| a b";
11140 let expected_invisibles = vec![
11141 Invisible::Tab {
11142 line_start_offset: 0,
11143 line_end_offset: TAB_SIZE as usize,
11144 },
11145 Invisible::Whitespace {
11146 line_offset: TAB_SIZE as usize,
11147 },
11148 Invisible::Tab {
11149 line_start_offset: TAB_SIZE as usize + 1,
11150 line_end_offset: TAB_SIZE as usize * 2,
11151 },
11152 Invisible::Tab {
11153 line_start_offset: TAB_SIZE as usize * 2 + 1,
11154 line_end_offset: TAB_SIZE as usize * 3,
11155 },
11156 Invisible::Whitespace {
11157 line_offset: TAB_SIZE as usize * 3 + 1,
11158 },
11159 Invisible::Whitespace {
11160 line_offset: TAB_SIZE as usize * 3 + 3,
11161 },
11162 ];
11163 assert_eq!(
11164 expected_invisibles.len(),
11165 input_text
11166 .chars()
11167 .filter(|initial_char| initial_char.is_whitespace())
11168 .count(),
11169 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
11170 );
11171
11172 for show_line_numbers in [true, false] {
11173 init_test(cx, |s| {
11174 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11175 s.defaults.tab_size = NonZeroU32::new(TAB_SIZE);
11176 });
11177
11178 let actual_invisibles = collect_invisibles_from_new_editor(
11179 cx,
11180 EditorMode::full(),
11181 input_text,
11182 px(500.0),
11183 show_line_numbers,
11184 );
11185
11186 assert_eq!(expected_invisibles, actual_invisibles);
11187 }
11188 }
11189
11190 #[gpui::test]
11191 fn test_invisibles_dont_appear_in_certain_editors(cx: &mut TestAppContext) {
11192 init_test(cx, |s| {
11193 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11194 s.defaults.tab_size = NonZeroU32::new(4);
11195 });
11196
11197 for editor_mode_without_invisibles in [
11198 EditorMode::SingleLine,
11199 EditorMode::AutoHeight {
11200 min_lines: 1,
11201 max_lines: Some(100),
11202 },
11203 ] {
11204 for show_line_numbers in [true, false] {
11205 let invisibles = collect_invisibles_from_new_editor(
11206 cx,
11207 editor_mode_without_invisibles.clone(),
11208 "\t\t\t| | a b",
11209 px(500.0),
11210 show_line_numbers,
11211 );
11212 assert!(
11213 invisibles.is_empty(),
11214 "For editor mode {editor_mode_without_invisibles:?} no invisibles was expected but got {invisibles:?}"
11215 );
11216 }
11217 }
11218 }
11219
11220 #[gpui::test]
11221 fn test_wrapped_invisibles_drawing(cx: &mut TestAppContext) {
11222 let tab_size = 4;
11223 let input_text = "a\tbcd ".repeat(9);
11224 let repeated_invisibles = [
11225 Invisible::Tab {
11226 line_start_offset: 1,
11227 line_end_offset: tab_size as usize,
11228 },
11229 Invisible::Whitespace {
11230 line_offset: tab_size as usize + 3,
11231 },
11232 Invisible::Whitespace {
11233 line_offset: tab_size as usize + 4,
11234 },
11235 Invisible::Whitespace {
11236 line_offset: tab_size as usize + 5,
11237 },
11238 Invisible::Whitespace {
11239 line_offset: tab_size as usize + 6,
11240 },
11241 Invisible::Whitespace {
11242 line_offset: tab_size as usize + 7,
11243 },
11244 ];
11245 let expected_invisibles = std::iter::once(repeated_invisibles)
11246 .cycle()
11247 .take(9)
11248 .flatten()
11249 .collect::<Vec<_>>();
11250 assert_eq!(
11251 expected_invisibles.len(),
11252 input_text
11253 .chars()
11254 .filter(|initial_char| initial_char.is_whitespace())
11255 .count(),
11256 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
11257 );
11258 info!("Expected invisibles: {expected_invisibles:?}");
11259
11260 init_test(cx, |_| {});
11261
11262 // Put the same string with repeating whitespace pattern into editors of various size,
11263 // take deliberately small steps during resizing, to put all whitespace kinds near the wrap point.
11264 let resize_step = 10.0;
11265 let mut editor_width = 200.0;
11266 while editor_width <= 1000.0 {
11267 for show_line_numbers in [true, false] {
11268 update_test_language_settings(cx, |s| {
11269 s.defaults.tab_size = NonZeroU32::new(tab_size);
11270 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11271 s.defaults.preferred_line_length = Some(editor_width as u32);
11272 s.defaults.soft_wrap = Some(language_settings::SoftWrap::PreferredLineLength);
11273 });
11274
11275 let actual_invisibles = collect_invisibles_from_new_editor(
11276 cx,
11277 EditorMode::full(),
11278 &input_text,
11279 px(editor_width),
11280 show_line_numbers,
11281 );
11282
11283 // Whatever the editor size is, ensure it has the same invisible kinds in the same order
11284 // (no good guarantees about the offsets: wrapping could trigger padding and its tests should check the offsets).
11285 let mut i = 0;
11286 for (actual_index, actual_invisible) in actual_invisibles.iter().enumerate() {
11287 i = actual_index;
11288 match expected_invisibles.get(i) {
11289 Some(expected_invisible) => match (expected_invisible, actual_invisible) {
11290 (Invisible::Whitespace { .. }, Invisible::Whitespace { .. })
11291 | (Invisible::Tab { .. }, Invisible::Tab { .. }) => {}
11292 _ => {
11293 panic!(
11294 "At index {i}, expected invisible {expected_invisible:?} does not match actual {actual_invisible:?} by kind. Actual invisibles: {actual_invisibles:?}"
11295 )
11296 }
11297 },
11298 None => {
11299 panic!("Unexpected extra invisible {actual_invisible:?} at index {i}")
11300 }
11301 }
11302 }
11303 let missing_expected_invisibles = &expected_invisibles[i + 1..];
11304 assert!(
11305 missing_expected_invisibles.is_empty(),
11306 "Missing expected invisibles after index {i}: {missing_expected_invisibles:?}"
11307 );
11308
11309 editor_width += resize_step;
11310 }
11311 }
11312 }
11313
11314 fn collect_invisibles_from_new_editor(
11315 cx: &mut TestAppContext,
11316 editor_mode: EditorMode,
11317 input_text: &str,
11318 editor_width: Pixels,
11319 show_line_numbers: bool,
11320 ) -> Vec<Invisible> {
11321 info!(
11322 "Creating editor with mode {editor_mode:?}, width {}px and text '{input_text}'",
11323 f32::from(editor_width)
11324 );
11325 let window = cx.add_window(|window, cx| {
11326 let buffer = MultiBuffer::build_simple(input_text, cx);
11327 Editor::new(editor_mode, buffer, None, window, cx)
11328 });
11329 let cx = &mut VisualTestContext::from_window(*window, cx);
11330 let editor = window.root(cx).unwrap();
11331
11332 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
11333 window
11334 .update(cx, |editor, _, cx| {
11335 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
11336 editor.set_wrap_width(Some(editor_width), cx);
11337 editor.set_show_line_numbers(show_line_numbers, cx);
11338 })
11339 .unwrap();
11340 let (_, state) = cx.draw(
11341 point(px(500.), px(500.)),
11342 size(px(500.), px(500.)),
11343 |_, _| EditorElement::new(&editor, style),
11344 );
11345 state
11346 .position_map
11347 .line_layouts
11348 .iter()
11349 .flat_map(|line_with_invisibles| &line_with_invisibles.invisibles)
11350 .cloned()
11351 .collect()
11352 }
11353
11354 #[gpui::test]
11355 fn test_merge_overlapping_ranges() {
11356 let base_bg = Hsla::white();
11357 let color1 = Hsla {
11358 h: 0.0,
11359 s: 0.5,
11360 l: 0.5,
11361 a: 0.5,
11362 };
11363 let color2 = Hsla {
11364 h: 120.0,
11365 s: 0.5,
11366 l: 0.5,
11367 a: 0.5,
11368 };
11369
11370 let display_point = |col| DisplayPoint::new(DisplayRow(0), col);
11371 let cols = |v: &Vec<(Range<DisplayPoint>, Hsla)>| -> Vec<(u32, u32)> {
11372 v.iter()
11373 .map(|(r, _)| (r.start.column(), r.end.column()))
11374 .collect()
11375 };
11376
11377 // Test overlapping ranges blend colors
11378 let overlapping = vec![
11379 (display_point(5)..display_point(15), color1),
11380 (display_point(10)..display_point(20), color2),
11381 ];
11382 let result = EditorElement::merge_overlapping_ranges(overlapping, base_bg);
11383 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11384
11385 // Test middle segment should have blended color
11386 let blended = Hsla::blend(Hsla::blend(base_bg, color1), color2);
11387 assert_eq!(result[1].1, blended);
11388
11389 // Test adjacent same-color ranges merge
11390 let adjacent_same = vec![
11391 (display_point(5)..display_point(10), color1),
11392 (display_point(10)..display_point(15), color1),
11393 ];
11394 let result = EditorElement::merge_overlapping_ranges(adjacent_same, base_bg);
11395 assert_eq!(cols(&result), vec![(5, 15)]);
11396
11397 // Test contained range splits
11398 let contained = vec![
11399 (display_point(5)..display_point(20), color1),
11400 (display_point(10)..display_point(15), color2),
11401 ];
11402 let result = EditorElement::merge_overlapping_ranges(contained, base_bg);
11403 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11404
11405 // Test multiple overlaps split at every boundary
11406 let color3 = Hsla {
11407 h: 240.0,
11408 s: 0.5,
11409 l: 0.5,
11410 a: 0.5,
11411 };
11412 let complex = vec![
11413 (display_point(5)..display_point(12), color1),
11414 (display_point(8)..display_point(16), color2),
11415 (display_point(10)..display_point(14), color3),
11416 ];
11417 let result = EditorElement::merge_overlapping_ranges(complex, base_bg);
11418 assert_eq!(
11419 cols(&result),
11420 vec![(5, 8), (8, 10), (10, 12), (12, 14), (14, 16)]
11421 );
11422 }
11423
11424 #[gpui::test]
11425 fn test_bg_segments_per_row() {
11426 let base_bg = Hsla::white();
11427
11428 // Case A: selection spans three display rows: row 1 [5, end), full row 2, row 3 [0, 7)
11429 {
11430 let selection_color = Hsla {
11431 h: 200.0,
11432 s: 0.5,
11433 l: 0.5,
11434 a: 0.5,
11435 };
11436 let player_color = PlayerColor {
11437 cursor: selection_color,
11438 background: selection_color,
11439 selection: selection_color,
11440 };
11441
11442 let spanning_selection = SelectionLayout {
11443 head: DisplayPoint::new(DisplayRow(3), 7),
11444 cursor_shape: CursorShape::Bar,
11445 is_newest: true,
11446 is_local: true,
11447 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 7),
11448 active_rows: DisplayRow(1)..DisplayRow(4),
11449 user_name: None,
11450 };
11451
11452 let selections = vec![(player_color, vec![spanning_selection])];
11453 let result = EditorElement::bg_segments_per_row(
11454 DisplayRow(0)..DisplayRow(5),
11455 &selections,
11456 &[],
11457 base_bg,
11458 );
11459
11460 assert_eq!(result.len(), 5);
11461 assert!(result[0].is_empty());
11462 assert_eq!(result[1].len(), 1);
11463 assert_eq!(result[2].len(), 1);
11464 assert_eq!(result[3].len(), 1);
11465 assert!(result[4].is_empty());
11466
11467 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11468 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11469 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11470 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11471 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11472 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11473 assert_eq!(result[3][0].0.start, DisplayPoint::new(DisplayRow(3), 0));
11474 assert_eq!(result[3][0].0.end, DisplayPoint::new(DisplayRow(3), 7));
11475 }
11476
11477 // Case B: selection ends exactly at the start of row 3, excluding row 3
11478 {
11479 let selection_color = Hsla {
11480 h: 120.0,
11481 s: 0.5,
11482 l: 0.5,
11483 a: 0.5,
11484 };
11485 let player_color = PlayerColor {
11486 cursor: selection_color,
11487 background: selection_color,
11488 selection: selection_color,
11489 };
11490
11491 let selection = SelectionLayout {
11492 head: DisplayPoint::new(DisplayRow(2), 0),
11493 cursor_shape: CursorShape::Bar,
11494 is_newest: true,
11495 is_local: true,
11496 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 0),
11497 active_rows: DisplayRow(1)..DisplayRow(3),
11498 user_name: None,
11499 };
11500
11501 let selections = vec![(player_color, vec![selection])];
11502 let result = EditorElement::bg_segments_per_row(
11503 DisplayRow(0)..DisplayRow(4),
11504 &selections,
11505 &[],
11506 base_bg,
11507 );
11508
11509 assert_eq!(result.len(), 4);
11510 assert!(result[0].is_empty());
11511 assert_eq!(result[1].len(), 1);
11512 assert_eq!(result[2].len(), 1);
11513 assert!(result[3].is_empty());
11514
11515 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11516 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11517 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11518 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11519 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11520 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11521 }
11522 }
11523
11524 #[cfg(test)]
11525 fn generate_test_run(len: usize, color: Hsla) -> TextRun {
11526 TextRun {
11527 len,
11528 font: gpui::font(".SystemUIFont"),
11529 color,
11530 background_color: None,
11531 underline: None,
11532 strikethrough: None,
11533 }
11534 }
11535
11536 #[gpui::test]
11537 fn test_split_runs_by_bg_segments(cx: &mut gpui::TestAppContext) {
11538 init_test(cx, |_| {});
11539
11540 let dx = |start: u32, end: u32| {
11541 DisplayPoint::new(DisplayRow(0), start)..DisplayPoint::new(DisplayRow(0), end)
11542 };
11543
11544 let text_color = Hsla {
11545 h: 210.0,
11546 s: 0.1,
11547 l: 0.4,
11548 a: 1.0,
11549 };
11550 let bg_1 = Hsla {
11551 h: 30.0,
11552 s: 0.6,
11553 l: 0.8,
11554 a: 1.0,
11555 };
11556 let bg_2 = Hsla {
11557 h: 200.0,
11558 s: 0.6,
11559 l: 0.2,
11560 a: 1.0,
11561 };
11562 let min_contrast = 45.0;
11563 let adjusted_bg1 = ensure_minimum_contrast(text_color, bg_1, min_contrast);
11564 let adjusted_bg2 = ensure_minimum_contrast(text_color, bg_2, min_contrast);
11565
11566 // Case A: single run; disjoint segments inside the run
11567 {
11568 let runs = vec![generate_test_run(20, text_color)];
11569 let segs = vec![(dx(5, 10), bg_1), (dx(12, 16), bg_2)];
11570 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11571 // Expected slices: [0,5) [5,10) [10,12) [12,16) [16,20)
11572 assert_eq!(
11573 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11574 vec![5, 5, 2, 4, 4]
11575 );
11576 assert_eq!(out[0].color, text_color);
11577 assert_eq!(out[1].color, adjusted_bg1);
11578 assert_eq!(out[2].color, text_color);
11579 assert_eq!(out[3].color, adjusted_bg2);
11580 assert_eq!(out[4].color, text_color);
11581 }
11582
11583 // Case B: multiple runs; segment extends to end of line (u32::MAX)
11584 {
11585 let runs = vec![
11586 generate_test_run(8, text_color),
11587 generate_test_run(7, text_color),
11588 ];
11589 let segs = vec![(dx(6, u32::MAX), bg_1)];
11590 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11591 // Expected slices across runs: [0,6) [6,8) | [0,7)
11592 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![6, 2, 7]);
11593 assert_eq!(out[0].color, text_color);
11594 assert_eq!(out[1].color, adjusted_bg1);
11595 assert_eq!(out[2].color, adjusted_bg1);
11596 }
11597
11598 // Case C: multi-byte characters
11599 {
11600 // for text: "Hello π δΈη!"
11601 let runs = vec![
11602 generate_test_run(5, text_color), // "Hello"
11603 generate_test_run(6, text_color), // " π "
11604 generate_test_run(6, text_color), // "δΈη"
11605 generate_test_run(1, text_color), // "!"
11606 ];
11607 // selecting "π δΈ"
11608 let segs = vec![(dx(6, 14), bg_1)];
11609 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11610 // "Hello" | " " | "π " | "δΈ" | "η" | "!"
11611 assert_eq!(
11612 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11613 vec![5, 1, 5, 3, 3, 1]
11614 );
11615 assert_eq!(out[0].color, text_color); // "Hello"
11616 assert_eq!(out[2].color, adjusted_bg1); // "π "
11617 assert_eq!(out[3].color, adjusted_bg1); // "δΈ"
11618 assert_eq!(out[4].color, text_color); // "η"
11619 assert_eq!(out[5].color, text_color); // "!"
11620 }
11621
11622 // Case D: split multiple consecutive text runs with segments
11623 {
11624 let segs = vec![
11625 (dx(2, 4), bg_1), // selecting "cd"
11626 (dx(4, 8), bg_2), // selecting "efgh"
11627 (dx(9, 11), bg_1), // selecting "jk"
11628 (dx(12, 16), bg_2), // selecting "mnop"
11629 (dx(18, 19), bg_1), // selecting "s"
11630 ];
11631
11632 // for text: "abcdef"
11633 let runs = vec![
11634 generate_test_run(2, text_color), // ab
11635 generate_test_run(4, text_color), // cdef
11636 ];
11637 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11638 // new splits "ab", "cd", "ef"
11639 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![2, 2, 2]);
11640 assert_eq!(out[0].color, text_color);
11641 assert_eq!(out[1].color, adjusted_bg1);
11642 assert_eq!(out[2].color, adjusted_bg2);
11643
11644 // for text: "ghijklmn"
11645 let runs = vec![
11646 generate_test_run(3, text_color), // ghi
11647 generate_test_run(2, text_color), // jk
11648 generate_test_run(3, text_color), // lmn
11649 ];
11650 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 6); // 2 + 4 from first run
11651 // new splits "gh", "i", "jk", "l", "mn"
11652 assert_eq!(
11653 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11654 vec![2, 1, 2, 1, 2]
11655 );
11656 assert_eq!(out[0].color, adjusted_bg2);
11657 assert_eq!(out[1].color, text_color);
11658 assert_eq!(out[2].color, adjusted_bg1);
11659 assert_eq!(out[3].color, text_color);
11660 assert_eq!(out[4].color, adjusted_bg2);
11661
11662 // for text: "opqrs"
11663 let runs = vec![
11664 generate_test_run(1, text_color), // o
11665 generate_test_run(4, text_color), // pqrs
11666 ];
11667 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 14); // 6 + 3 + 2 + 3 from first two runs
11668 // new splits "o", "p", "qr", "s"
11669 assert_eq!(
11670 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11671 vec![1, 1, 2, 1]
11672 );
11673 assert_eq!(out[0].color, adjusted_bg2);
11674 assert_eq!(out[1].color, adjusted_bg2);
11675 assert_eq!(out[2].color, text_color);
11676 assert_eq!(out[3].color, adjusted_bg1);
11677 }
11678 }
11679}