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 while i < buffer_rows.len() as u32 {
3172 if buffer_rows[i as usize].buffer_row.is_some() {
3173 if rows.contains(&DisplayRow(i + start.0)) {
3174 relative_rows.insert(DisplayRow(i + start.0), delta);
3175 }
3176 delta += 1;
3177 } else if use_display_offset && buffer_rows[i as usize].wrapped {
3178 if rows.contains(&DisplayRow(i + start.0)) {
3179 relative_rows.insert(DisplayRow(i + start.0), delta);
3180 }
3181 delta += 1;
3182 }
3183 i += 1;
3184 }
3185 delta = 1;
3186 i = head_idx.min(buffer_rows.len() as u32 - 1);
3187 while i > 0 && buffer_rows[i as usize].buffer_row.is_none() && !use_display_offset {
3188 i -= 1;
3189 }
3190
3191 while i > 0 {
3192 i -= 1;
3193 if buffer_rows[i as usize].buffer_row.is_some() {
3194 if rows.contains(&DisplayRow(i + start.0)) {
3195 relative_rows.insert(DisplayRow(i + start.0), delta);
3196 }
3197 delta += 1;
3198 } else if use_display_offset && buffer_rows[i as usize].wrapped {
3199 if rows.contains(&DisplayRow(i + start.0)) {
3200 relative_rows.insert(DisplayRow(i + start.0), delta);
3201 }
3202 delta += 1;
3203 }
3204 }
3205
3206 relative_rows
3207 }
3208
3209 fn layout_line_numbers(
3210 &self,
3211 gutter_hitbox: Option<&Hitbox>,
3212 gutter_dimensions: GutterDimensions,
3213 line_height: Pixels,
3214 scroll_position: gpui::Point<ScrollOffset>,
3215 rows: Range<DisplayRow>,
3216 buffer_rows: &[RowInfo],
3217 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3218 newest_selection_head: Option<DisplayPoint>,
3219 snapshot: &EditorSnapshot,
3220 window: &mut Window,
3221 cx: &mut App,
3222 ) -> Arc<HashMap<MultiBufferRow, LineNumberLayout>> {
3223 let include_line_numbers = snapshot
3224 .show_line_numbers
3225 .unwrap_or_else(|| EditorSettings::get_global(cx).gutter.line_numbers);
3226 if !include_line_numbers {
3227 return Arc::default();
3228 }
3229
3230 let (newest_selection_head, is_relative) = self.editor.update(cx, |editor, cx| {
3231 let newest_selection_head = newest_selection_head.unwrap_or_else(|| {
3232 let newest = editor
3233 .selections
3234 .newest::<Point>(&editor.display_snapshot(cx));
3235 SelectionLayout::new(
3236 newest,
3237 editor.selections.line_mode(),
3238 editor.cursor_shape,
3239 &snapshot.display_snapshot,
3240 true,
3241 true,
3242 None,
3243 )
3244 .head
3245 });
3246 let is_relative = editor.should_use_relative_line_numbers(cx);
3247 (newest_selection_head, is_relative)
3248 });
3249
3250 let relative_to = if is_relative {
3251 Some(newest_selection_head.row())
3252 } else {
3253 None
3254 };
3255 let relative_rows =
3256 self.calculate_relative_line_numbers(snapshot, &rows, relative_to, true);
3257 let mut line_number = String::new();
3258 let segments = buffer_rows.iter().enumerate().flat_map(|(ix, row_info)| {
3259 let display_row = DisplayRow(rows.start.0 + ix as u32);
3260 line_number.clear();
3261 let number = if let Some(relative_number) = relative_rows.get(&display_row) {
3262 *relative_number
3263 } else {
3264 row_info.buffer_row? + 1
3265 };
3266
3267 write!(&mut line_number, "{number}").unwrap();
3268 if row_info
3269 .diff_status
3270 .is_some_and(|status| status.is_deleted())
3271 {
3272 return None;
3273 }
3274
3275 let color = active_rows
3276 .get(&display_row)
3277 .map(|spec| {
3278 if spec.breakpoint {
3279 cx.theme().colors().debugger_accent
3280 } else {
3281 cx.theme().colors().editor_active_line_number
3282 }
3283 })
3284 .unwrap_or_else(|| cx.theme().colors().editor_line_number);
3285 let shaped_line =
3286 self.shape_line_number(SharedString::from(&line_number), color, window);
3287 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
3288 let line_origin = gutter_hitbox.map(|hitbox| {
3289 hitbox.origin
3290 + point(
3291 hitbox.size.width - shaped_line.width - gutter_dimensions.right_padding,
3292 ix as f32 * line_height
3293 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height)),
3294 )
3295 });
3296
3297 #[cfg(not(test))]
3298 let hitbox = line_origin.map(|line_origin| {
3299 window.insert_hitbox(
3300 Bounds::new(line_origin, size(shaped_line.width, line_height)),
3301 HitboxBehavior::Normal,
3302 )
3303 });
3304 #[cfg(test)]
3305 let hitbox = {
3306 let _ = line_origin;
3307 None
3308 };
3309
3310 let segment = LineNumberSegment {
3311 shaped_line,
3312 hitbox,
3313 };
3314
3315 let buffer_row = DisplayPoint::new(display_row, 0).to_point(snapshot).row;
3316 let multi_buffer_row = MultiBufferRow(buffer_row);
3317
3318 Some((multi_buffer_row, segment))
3319 });
3320
3321 let mut line_numbers: HashMap<MultiBufferRow, LineNumberLayout> = HashMap::default();
3322 for (buffer_row, segment) in segments {
3323 line_numbers
3324 .entry(buffer_row)
3325 .or_insert_with(|| LineNumberLayout {
3326 segments: Vec::new(),
3327 })
3328 .segments
3329 .push(segment);
3330 }
3331 Arc::new(line_numbers)
3332 }
3333
3334 fn layout_crease_toggles(
3335 &self,
3336 rows: Range<DisplayRow>,
3337 row_infos: &[RowInfo],
3338 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3339 snapshot: &EditorSnapshot,
3340 window: &mut Window,
3341 cx: &mut App,
3342 ) -> Vec<Option<AnyElement>> {
3343 let include_fold_statuses = EditorSettings::get_global(cx).gutter.folds
3344 && snapshot.mode.is_full()
3345 && self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
3346 if include_fold_statuses {
3347 row_infos
3348 .iter()
3349 .enumerate()
3350 .map(|(ix, info)| {
3351 if info.expand_info.is_some() {
3352 return None;
3353 }
3354 let row = info.multibuffer_row?;
3355 let display_row = DisplayRow(rows.start.0 + ix as u32);
3356 let active = active_rows.contains_key(&display_row);
3357
3358 snapshot.render_crease_toggle(row, active, self.editor.clone(), window, cx)
3359 })
3360 .collect()
3361 } else {
3362 Vec::new()
3363 }
3364 }
3365
3366 fn layout_crease_trailers(
3367 &self,
3368 buffer_rows: impl IntoIterator<Item = RowInfo>,
3369 snapshot: &EditorSnapshot,
3370 window: &mut Window,
3371 cx: &mut App,
3372 ) -> Vec<Option<AnyElement>> {
3373 buffer_rows
3374 .into_iter()
3375 .map(|row_info| {
3376 if row_info.expand_info.is_some() {
3377 return None;
3378 }
3379 if let Some(row) = row_info.multibuffer_row {
3380 snapshot.render_crease_trailer(row, window, cx)
3381 } else {
3382 None
3383 }
3384 })
3385 .collect()
3386 }
3387
3388 fn bg_segments_per_row(
3389 rows: Range<DisplayRow>,
3390 selections: &[(PlayerColor, Vec<SelectionLayout>)],
3391 highlight_ranges: &[(Range<DisplayPoint>, Hsla)],
3392 base_background: Hsla,
3393 ) -> Vec<Vec<(Range<DisplayPoint>, Hsla)>> {
3394 if rows.start >= rows.end {
3395 return Vec::new();
3396 }
3397 if !base_background.is_opaque() {
3398 // We don't actually know what color is behind this editor.
3399 return Vec::new();
3400 }
3401 let highlight_iter = highlight_ranges.iter().cloned();
3402 let selection_iter = selections.iter().flat_map(|(player_color, layouts)| {
3403 let color = player_color.selection;
3404 layouts.iter().filter_map(move |selection_layout| {
3405 if selection_layout.range.start != selection_layout.range.end {
3406 Some((selection_layout.range.clone(), color))
3407 } else {
3408 None
3409 }
3410 })
3411 });
3412 let mut per_row_map = vec![Vec::new(); rows.len()];
3413 for (range, color) in highlight_iter.chain(selection_iter) {
3414 let covered_rows = if range.end.column() == 0 {
3415 cmp::max(range.start.row(), rows.start)..cmp::min(range.end.row(), rows.end)
3416 } else {
3417 cmp::max(range.start.row(), rows.start)
3418 ..cmp::min(range.end.row().next_row(), rows.end)
3419 };
3420 for row in covered_rows.iter_rows() {
3421 let seg_start = if row == range.start.row() {
3422 range.start
3423 } else {
3424 DisplayPoint::new(row, 0)
3425 };
3426 let seg_end = if row == range.end.row() && range.end.column() != 0 {
3427 range.end
3428 } else {
3429 DisplayPoint::new(row, u32::MAX)
3430 };
3431 let ix = row.minus(rows.start) as usize;
3432 debug_assert!(row >= rows.start && row < rows.end);
3433 debug_assert!(ix < per_row_map.len());
3434 per_row_map[ix].push((seg_start..seg_end, color));
3435 }
3436 }
3437 for row_segments in per_row_map.iter_mut() {
3438 if row_segments.is_empty() {
3439 continue;
3440 }
3441 let segments = mem::take(row_segments);
3442 let merged = Self::merge_overlapping_ranges(segments, base_background);
3443 *row_segments = merged;
3444 }
3445 per_row_map
3446 }
3447
3448 /// Merge overlapping ranges by splitting at all range boundaries and blending colors where
3449 /// multiple ranges overlap. The result contains non-overlapping ranges ordered from left to right.
3450 ///
3451 /// Expects `start.row() == end.row()` for each range.
3452 fn merge_overlapping_ranges(
3453 ranges: Vec<(Range<DisplayPoint>, Hsla)>,
3454 base_background: Hsla,
3455 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
3456 struct Boundary {
3457 pos: DisplayPoint,
3458 is_start: bool,
3459 index: usize,
3460 color: Hsla,
3461 }
3462
3463 let mut boundaries: SmallVec<[Boundary; 16]> = SmallVec::with_capacity(ranges.len() * 2);
3464 for (index, (range, color)) in ranges.iter().enumerate() {
3465 debug_assert!(
3466 range.start.row() == range.end.row(),
3467 "expects single-row ranges"
3468 );
3469 if range.start < range.end {
3470 boundaries.push(Boundary {
3471 pos: range.start,
3472 is_start: true,
3473 index,
3474 color: *color,
3475 });
3476 boundaries.push(Boundary {
3477 pos: range.end,
3478 is_start: false,
3479 index,
3480 color: *color,
3481 });
3482 }
3483 }
3484
3485 if boundaries.is_empty() {
3486 return Vec::new();
3487 }
3488
3489 boundaries
3490 .sort_unstable_by(|a, b| a.pos.cmp(&b.pos).then_with(|| a.is_start.cmp(&b.is_start)));
3491
3492 let mut processed_ranges: Vec<(Range<DisplayPoint>, Hsla)> = Vec::new();
3493 let mut active_ranges: SmallVec<[(usize, Hsla); 8]> = SmallVec::new();
3494
3495 let mut i = 0;
3496 let mut start_pos = boundaries[0].pos;
3497
3498 let boundaries_len = boundaries.len();
3499 while i < boundaries_len {
3500 let current_boundary_pos = boundaries[i].pos;
3501 if start_pos < current_boundary_pos {
3502 if !active_ranges.is_empty() {
3503 let mut color = base_background;
3504 for &(_, c) in &active_ranges {
3505 color = Hsla::blend(color, c);
3506 }
3507 if let Some((last_range, last_color)) = processed_ranges.last_mut() {
3508 if *last_color == color && last_range.end == start_pos {
3509 last_range.end = current_boundary_pos;
3510 } else {
3511 processed_ranges.push((start_pos..current_boundary_pos, color));
3512 }
3513 } else {
3514 processed_ranges.push((start_pos..current_boundary_pos, color));
3515 }
3516 }
3517 }
3518 while i < boundaries_len && boundaries[i].pos == current_boundary_pos {
3519 let active_range = &boundaries[i];
3520 if active_range.is_start {
3521 let idx = active_range.index;
3522 let pos = active_ranges
3523 .binary_search_by_key(&idx, |(i, _)| *i)
3524 .unwrap_or_else(|p| p);
3525 active_ranges.insert(pos, (idx, active_range.color));
3526 } else {
3527 let idx = active_range.index;
3528 if let Ok(pos) = active_ranges.binary_search_by_key(&idx, |(i, _)| *i) {
3529 active_ranges.remove(pos);
3530 }
3531 }
3532 i += 1;
3533 }
3534 start_pos = current_boundary_pos;
3535 }
3536
3537 processed_ranges
3538 }
3539
3540 fn layout_lines(
3541 rows: Range<DisplayRow>,
3542 snapshot: &EditorSnapshot,
3543 style: &EditorStyle,
3544 editor_width: Pixels,
3545 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3546 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
3547 window: &mut Window,
3548 cx: &mut App,
3549 ) -> Vec<LineWithInvisibles> {
3550 if rows.start >= rows.end {
3551 return Vec::new();
3552 }
3553
3554 // Show the placeholder when the editor is empty
3555 if snapshot.is_empty() {
3556 let font_size = style.text.font_size.to_pixels(window.rem_size());
3557 let placeholder_color = cx.theme().colors().text_placeholder;
3558 let placeholder_text = snapshot.placeholder_text();
3559
3560 let placeholder_lines = placeholder_text
3561 .as_ref()
3562 .map_or(Vec::new(), |text| text.split('\n').collect::<Vec<_>>());
3563
3564 let placeholder_line_count = placeholder_lines.len();
3565
3566 placeholder_lines
3567 .into_iter()
3568 .skip(rows.start.0 as usize)
3569 .chain(iter::repeat(""))
3570 .take(cmp::max(rows.len(), placeholder_line_count))
3571 .map(move |line| {
3572 let run = TextRun {
3573 len: line.len(),
3574 font: style.text.font(),
3575 color: placeholder_color,
3576 background_color: None,
3577 underline: None,
3578 strikethrough: None,
3579 };
3580 let line = window.text_system().shape_line(
3581 line.to_string().into(),
3582 font_size,
3583 &[run],
3584 None,
3585 );
3586 LineWithInvisibles {
3587 width: line.width,
3588 len: line.len,
3589 fragments: smallvec![LineFragment::Text(line)],
3590 invisibles: Vec::new(),
3591 font_size,
3592 }
3593 })
3594 .collect()
3595 } else {
3596 let chunks = snapshot.highlighted_chunks(rows.clone(), true, style);
3597 LineWithInvisibles::from_chunks(
3598 chunks,
3599 style,
3600 MAX_LINE_LEN,
3601 rows.len(),
3602 &snapshot.mode,
3603 editor_width,
3604 is_row_soft_wrapped,
3605 bg_segments_per_row,
3606 window,
3607 cx,
3608 )
3609 }
3610 }
3611
3612 fn prepaint_lines(
3613 &self,
3614 start_row: DisplayRow,
3615 line_layouts: &mut [LineWithInvisibles],
3616 line_height: Pixels,
3617 scroll_position: gpui::Point<ScrollOffset>,
3618 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
3619 content_origin: gpui::Point<Pixels>,
3620 window: &mut Window,
3621 cx: &mut App,
3622 ) -> SmallVec<[AnyElement; 1]> {
3623 let mut line_elements = SmallVec::new();
3624 for (ix, line) in line_layouts.iter_mut().enumerate() {
3625 let row = start_row + DisplayRow(ix as u32);
3626 line.prepaint(
3627 line_height,
3628 scroll_position,
3629 scroll_pixel_position,
3630 row,
3631 content_origin,
3632 &mut line_elements,
3633 window,
3634 cx,
3635 );
3636 }
3637 line_elements
3638 }
3639
3640 fn render_block(
3641 &self,
3642 block: &Block,
3643 available_width: AvailableSpace,
3644 block_id: BlockId,
3645 block_row_start: DisplayRow,
3646 snapshot: &EditorSnapshot,
3647 text_x: Pixels,
3648 rows: &Range<DisplayRow>,
3649 line_layouts: &[LineWithInvisibles],
3650 editor_margins: &EditorMargins,
3651 line_height: Pixels,
3652 em_width: Pixels,
3653 text_hitbox: &Hitbox,
3654 editor_width: Pixels,
3655 scroll_width: &mut Pixels,
3656 resized_blocks: &mut HashMap<CustomBlockId, u32>,
3657 row_block_types: &mut HashMap<DisplayRow, bool>,
3658 selections: &[Selection<Point>],
3659 selected_buffer_ids: &Vec<BufferId>,
3660 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3661 sticky_header_excerpt_id: Option<ExcerptId>,
3662 window: &mut Window,
3663 cx: &mut App,
3664 ) -> Option<(AnyElement, Size<Pixels>, DisplayRow, Pixels)> {
3665 let mut x_position = None;
3666 let mut element = match block {
3667 Block::Custom(custom) => {
3668 let block_start = custom.start().to_point(&snapshot.buffer_snapshot());
3669 let block_end = custom.end().to_point(&snapshot.buffer_snapshot());
3670 if block.place_near() && snapshot.is_line_folded(MultiBufferRow(block_start.row)) {
3671 return None;
3672 }
3673 let align_to = block_start.to_display_point(snapshot);
3674 let x_and_width = |layout: &LineWithInvisibles| {
3675 Some((
3676 text_x + layout.x_for_index(align_to.column() as usize),
3677 text_x + layout.width,
3678 ))
3679 };
3680 let line_ix = align_to.row().0.checked_sub(rows.start.0);
3681 x_position =
3682 if let Some(layout) = line_ix.and_then(|ix| line_layouts.get(ix as usize)) {
3683 x_and_width(layout)
3684 } else {
3685 x_and_width(&layout_line(
3686 align_to.row(),
3687 snapshot,
3688 &self.style,
3689 editor_width,
3690 is_row_soft_wrapped,
3691 window,
3692 cx,
3693 ))
3694 };
3695
3696 let anchor_x = x_position.unwrap().0;
3697
3698 let selected = selections
3699 .binary_search_by(|selection| {
3700 if selection.end <= block_start {
3701 Ordering::Less
3702 } else if selection.start >= block_end {
3703 Ordering::Greater
3704 } else {
3705 Ordering::Equal
3706 }
3707 })
3708 .is_ok();
3709
3710 div()
3711 .size_full()
3712 .child(custom.render(&mut BlockContext {
3713 window,
3714 app: cx,
3715 anchor_x,
3716 margins: editor_margins,
3717 line_height,
3718 em_width,
3719 block_id,
3720 selected,
3721 max_width: text_hitbox.size.width.max(*scroll_width),
3722 editor_style: &self.style,
3723 }))
3724 .into_any()
3725 }
3726
3727 Block::FoldedBuffer {
3728 first_excerpt,
3729 height,
3730 ..
3731 } => {
3732 let selected = selected_buffer_ids.contains(&first_excerpt.buffer_id);
3733 let result = v_flex().id(block_id).w_full().pr(editor_margins.right);
3734
3735 let jump_data = header_jump_data(snapshot, block_row_start, *height, first_excerpt);
3736 result
3737 .child(self.render_buffer_header(
3738 first_excerpt,
3739 true,
3740 selected,
3741 false,
3742 jump_data,
3743 window,
3744 cx,
3745 ))
3746 .into_any_element()
3747 }
3748
3749 Block::ExcerptBoundary { .. } => {
3750 let color = cx.theme().colors().clone();
3751 let mut result = v_flex().id(block_id).w_full();
3752
3753 result = result.child(
3754 h_flex().relative().child(
3755 div()
3756 .top(line_height / 2.)
3757 .absolute()
3758 .w_full()
3759 .h_px()
3760 .bg(color.border_variant),
3761 ),
3762 );
3763
3764 result.into_any()
3765 }
3766
3767 Block::BufferHeader { excerpt, height } => {
3768 let mut result = v_flex().id(block_id).w_full();
3769
3770 let jump_data = header_jump_data(snapshot, block_row_start, *height, excerpt);
3771
3772 if sticky_header_excerpt_id != Some(excerpt.id) {
3773 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
3774
3775 result = result.child(div().pr(editor_margins.right).child(
3776 self.render_buffer_header(
3777 excerpt, false, selected, false, jump_data, window, cx,
3778 ),
3779 ));
3780 } else {
3781 result =
3782 result.child(div().h(FILE_HEADER_HEIGHT as f32 * window.line_height()));
3783 }
3784
3785 result.into_any()
3786 }
3787 };
3788
3789 // Discover the element's content height, then round up to the nearest multiple of line height.
3790 let preliminary_size = element.layout_as_root(
3791 size(available_width, AvailableSpace::MinContent),
3792 window,
3793 cx,
3794 );
3795 let quantized_height = (preliminary_size.height / line_height).ceil() * line_height;
3796 let final_size = if preliminary_size.height == quantized_height {
3797 preliminary_size
3798 } else {
3799 element.layout_as_root(size(available_width, quantized_height.into()), window, cx)
3800 };
3801 let mut element_height_in_lines = ((final_size.height / line_height).ceil() as u32).max(1);
3802
3803 let mut row = block_row_start;
3804 let mut x_offset = px(0.);
3805 let mut is_block = true;
3806
3807 if let BlockId::Custom(custom_block_id) = block_id
3808 && block.has_height()
3809 {
3810 if block.place_near()
3811 && let Some((x_target, line_width)) = x_position
3812 {
3813 let margin = em_width * 2;
3814 if line_width + final_size.width + margin
3815 < editor_width + editor_margins.gutter.full_width()
3816 && !row_block_types.contains_key(&(row - 1))
3817 && element_height_in_lines == 1
3818 {
3819 x_offset = line_width + margin;
3820 row = row - 1;
3821 is_block = false;
3822 element_height_in_lines = 0;
3823 row_block_types.insert(row, is_block);
3824 } else {
3825 let max_offset =
3826 editor_width + editor_margins.gutter.full_width() - final_size.width;
3827 let min_offset = (x_target + em_width - final_size.width)
3828 .max(editor_margins.gutter.full_width());
3829 x_offset = x_target.min(max_offset).max(min_offset);
3830 }
3831 };
3832 if element_height_in_lines != block.height() {
3833 resized_blocks.insert(custom_block_id, element_height_in_lines);
3834 }
3835 }
3836 for i in 0..element_height_in_lines {
3837 row_block_types.insert(row + i, is_block);
3838 }
3839
3840 Some((element, final_size, row, x_offset))
3841 }
3842
3843 fn render_buffer_header(
3844 &self,
3845 for_excerpt: &ExcerptInfo,
3846 is_folded: bool,
3847 is_selected: bool,
3848 is_sticky: bool,
3849 jump_data: JumpData,
3850 window: &mut Window,
3851 cx: &mut App,
3852 ) -> impl IntoElement {
3853 let editor = self.editor.read(cx);
3854 let multi_buffer = editor.buffer.read(cx);
3855 let file_status = multi_buffer
3856 .all_diff_hunks_expanded()
3857 .then(|| {
3858 editor
3859 .project
3860 .as_ref()?
3861 .read(cx)
3862 .status_for_buffer_id(for_excerpt.buffer_id, cx)
3863 })
3864 .flatten();
3865 let indicator = multi_buffer
3866 .buffer(for_excerpt.buffer_id)
3867 .and_then(|buffer| {
3868 let buffer = buffer.read(cx);
3869 let indicator_color = match (buffer.has_conflict(), buffer.is_dirty()) {
3870 (true, _) => Some(Color::Warning),
3871 (_, true) => Some(Color::Accent),
3872 (false, false) => None,
3873 };
3874 indicator_color.map(|indicator_color| Indicator::dot().color(indicator_color))
3875 });
3876
3877 let include_root = editor
3878 .project
3879 .as_ref()
3880 .map(|project| project.read(cx).visible_worktrees(cx).count() > 1)
3881 .unwrap_or_default();
3882 let file = for_excerpt.buffer.file();
3883 let can_open_excerpts = Editor::can_open_excerpts_in_file(file);
3884 let path_style = file.map(|file| file.path_style(cx));
3885 let relative_path = for_excerpt.buffer.resolve_file_path(include_root, cx);
3886 let (parent_path, filename) = if let Some(path) = &relative_path {
3887 if let Some(path_style) = path_style {
3888 let (dir, file_name) = path_style.split(path);
3889 (dir.map(|dir| dir.to_owned()), Some(file_name.to_owned()))
3890 } else {
3891 (None, Some(path.clone()))
3892 }
3893 } else {
3894 (None, None)
3895 };
3896 let focus_handle = editor.focus_handle(cx);
3897 let colors = cx.theme().colors();
3898
3899 let header = div()
3900 .p_1()
3901 .w_full()
3902 .h(FILE_HEADER_HEIGHT as f32 * window.line_height())
3903 .child(
3904 h_flex()
3905 .size_full()
3906 .gap_2()
3907 .flex_basis(Length::Definite(DefiniteLength::Fraction(0.667)))
3908 .pl_0p5()
3909 .pr_5()
3910 .rounded_sm()
3911 .when(is_sticky, |el| el.shadow_md())
3912 .border_1()
3913 .map(|div| {
3914 let border_color = if is_selected
3915 && is_folded
3916 && focus_handle.contains_focused(window, cx)
3917 {
3918 colors.border_focused
3919 } else {
3920 colors.border
3921 };
3922 div.border_color(border_color)
3923 })
3924 .bg(colors.editor_subheader_background)
3925 .hover(|style| style.bg(colors.element_hover))
3926 .map(|header| {
3927 let editor = self.editor.clone();
3928 let buffer_id = for_excerpt.buffer_id;
3929 let toggle_chevron_icon =
3930 FileIcons::get_chevron_icon(!is_folded, cx).map(Icon::from_path);
3931 header.child(
3932 div()
3933 .hover(|style| style.bg(colors.element_selected))
3934 .rounded_xs()
3935 .child(
3936 ButtonLike::new("toggle-buffer-fold")
3937 .style(ui::ButtonStyle::Transparent)
3938 .height(px(28.).into())
3939 .width(px(28.))
3940 .children(toggle_chevron_icon)
3941 .tooltip({
3942 let focus_handle = focus_handle.clone();
3943 move |window, cx| {
3944 Tooltip::with_meta_in(
3945 "Toggle Excerpt Fold",
3946 Some(&ToggleFold),
3947 format!(
3948 "{} to toggle all",
3949 text_for_keystroke(
3950 &Modifiers::alt(),
3951 "click",
3952 cx
3953 )
3954 ),
3955 &focus_handle,
3956 window,
3957 cx,
3958 )
3959 }
3960 })
3961 .on_click(move |event, window, cx| {
3962 if event.modifiers().alt {
3963 // Alt+click toggles all buffers
3964 editor.update(cx, |editor, cx| {
3965 editor.toggle_fold_all(
3966 &ToggleFoldAll,
3967 window,
3968 cx,
3969 );
3970 });
3971 } else {
3972 // Regular click toggles single buffer
3973 if is_folded {
3974 editor.update(cx, |editor, cx| {
3975 editor.unfold_buffer(buffer_id, cx);
3976 });
3977 } else {
3978 editor.update(cx, |editor, cx| {
3979 editor.fold_buffer(buffer_id, cx);
3980 });
3981 }
3982 }
3983 }),
3984 ),
3985 )
3986 })
3987 .children(
3988 editor
3989 .addons
3990 .values()
3991 .filter_map(|addon| {
3992 addon.render_buffer_header_controls(for_excerpt, window, cx)
3993 })
3994 .take(1),
3995 )
3996 .child(h_flex().size(px(12.0)).justify_center().children(indicator))
3997 .child(
3998 h_flex()
3999 .cursor_pointer()
4000 .id("path header block")
4001 .size_full()
4002 .justify_between()
4003 .overflow_hidden()
4004 .child(
4005 h_flex()
4006 .gap_2()
4007 .map(|path_header| {
4008 let filename = filename
4009 .map(SharedString::from)
4010 .unwrap_or_else(|| "untitled".into());
4011
4012 path_header
4013 .when(ItemSettings::get_global(cx).file_icons, |el| {
4014 let path = path::Path::new(filename.as_str());
4015 let icon = FileIcons::get_icon(path, cx)
4016 .unwrap_or_default();
4017 let icon =
4018 Icon::from_path(icon).color(Color::Muted);
4019 el.child(icon)
4020 })
4021 .child(Label::new(filename).single_line().when_some(
4022 file_status,
4023 |el, status| {
4024 el.color(if status.is_conflicted() {
4025 Color::Conflict
4026 } else if status.is_modified() {
4027 Color::Modified
4028 } else if status.is_deleted() {
4029 Color::Disabled
4030 } else {
4031 Color::Created
4032 })
4033 .when(status.is_deleted(), |el| {
4034 el.strikethrough()
4035 })
4036 },
4037 ))
4038 })
4039 .when_some(parent_path, |then, path| {
4040 then.child(div().child(path).text_color(
4041 if file_status.is_some_and(FileStatus::is_deleted) {
4042 colors.text_disabled
4043 } else {
4044 colors.text_muted
4045 },
4046 ))
4047 }),
4048 )
4049 .when(
4050 can_open_excerpts && is_selected && relative_path.is_some(),
4051 |el| {
4052 el.child(
4053 h_flex()
4054 .id("jump-to-file-button")
4055 .gap_2p5()
4056 .child(Label::new("Jump To File"))
4057 .children(
4058 KeyBinding::for_action_in(
4059 &OpenExcerpts,
4060 &focus_handle,
4061 window,
4062 cx,
4063 )
4064 .map(|binding| binding.into_any_element()),
4065 ),
4066 )
4067 },
4068 )
4069 .on_mouse_down(MouseButton::Left, |_, _, cx| cx.stop_propagation())
4070 .on_click(window.listener_for(&self.editor, {
4071 move |editor, e: &ClickEvent, window, cx| {
4072 editor.open_excerpts_common(
4073 Some(jump_data.clone()),
4074 e.modifiers().secondary(),
4075 window,
4076 cx,
4077 );
4078 }
4079 })),
4080 ),
4081 );
4082
4083 let file = for_excerpt.buffer.file().cloned();
4084 let editor = self.editor.clone();
4085 right_click_menu("buffer-header-context-menu")
4086 .trigger(move |_, _, _| header)
4087 .menu(move |window, cx| {
4088 let menu_context = focus_handle.clone();
4089 let editor = editor.clone();
4090 let file = file.clone();
4091 ContextMenu::build(window, cx, move |mut menu, window, cx| {
4092 if let Some(file) = file
4093 && let Some(project) = editor.read(cx).project()
4094 && let Some(worktree) =
4095 project.read(cx).worktree_for_id(file.worktree_id(cx), cx)
4096 {
4097 let path_style = file.path_style(cx);
4098 let worktree = worktree.read(cx);
4099 let relative_path = file.path();
4100 let entry_for_path = worktree.entry_for_path(relative_path);
4101 let abs_path = entry_for_path.map(|e| {
4102 e.canonical_path.as_deref().map_or_else(
4103 || worktree.absolutize(relative_path),
4104 Path::to_path_buf,
4105 )
4106 });
4107 let has_relative_path = worktree.root_entry().is_some_and(Entry::is_dir);
4108
4109 let parent_abs_path = abs_path
4110 .as_ref()
4111 .and_then(|abs_path| Some(abs_path.parent()?.to_path_buf()));
4112 let relative_path = has_relative_path
4113 .then_some(relative_path)
4114 .map(ToOwned::to_owned);
4115
4116 let visible_in_project_panel =
4117 relative_path.is_some() && worktree.is_visible();
4118 let reveal_in_project_panel = entry_for_path
4119 .filter(|_| visible_in_project_panel)
4120 .map(|entry| entry.id);
4121 menu = menu
4122 .when_some(abs_path, |menu, abs_path| {
4123 menu.entry(
4124 "Copy Path",
4125 Some(Box::new(zed_actions::workspace::CopyPath)),
4126 window.handler_for(&editor, move |_, _, cx| {
4127 cx.write_to_clipboard(ClipboardItem::new_string(
4128 abs_path.to_string_lossy().into_owned(),
4129 ));
4130 }),
4131 )
4132 })
4133 .when_some(relative_path, |menu, relative_path| {
4134 menu.entry(
4135 "Copy Relative Path",
4136 Some(Box::new(zed_actions::workspace::CopyRelativePath)),
4137 window.handler_for(&editor, move |_, _, cx| {
4138 cx.write_to_clipboard(ClipboardItem::new_string(
4139 relative_path.display(path_style).to_string(),
4140 ));
4141 }),
4142 )
4143 })
4144 .when(
4145 reveal_in_project_panel.is_some() || parent_abs_path.is_some(),
4146 |menu| menu.separator(),
4147 )
4148 .when_some(reveal_in_project_panel, |menu, entry_id| {
4149 menu.entry(
4150 "Reveal In Project Panel",
4151 Some(Box::new(RevealInProjectPanel::default())),
4152 window.handler_for(&editor, move |editor, _, cx| {
4153 if let Some(project) = &mut editor.project {
4154 project.update(cx, |_, cx| {
4155 cx.emit(project::Event::RevealInProjectPanel(
4156 entry_id,
4157 ))
4158 });
4159 }
4160 }),
4161 )
4162 })
4163 .when_some(parent_abs_path, |menu, parent_abs_path| {
4164 menu.entry(
4165 "Open in Terminal",
4166 Some(Box::new(OpenInTerminal)),
4167 window.handler_for(&editor, move |_, window, cx| {
4168 window.dispatch_action(
4169 OpenTerminal {
4170 working_directory: parent_abs_path.clone(),
4171 }
4172 .boxed_clone(),
4173 cx,
4174 );
4175 }),
4176 )
4177 });
4178 }
4179
4180 menu.context(menu_context)
4181 })
4182 })
4183 }
4184
4185 fn render_blocks(
4186 &self,
4187 rows: Range<DisplayRow>,
4188 snapshot: &EditorSnapshot,
4189 hitbox: &Hitbox,
4190 text_hitbox: &Hitbox,
4191 editor_width: Pixels,
4192 scroll_width: &mut Pixels,
4193 editor_margins: &EditorMargins,
4194 em_width: Pixels,
4195 text_x: Pixels,
4196 line_height: Pixels,
4197 line_layouts: &mut [LineWithInvisibles],
4198 selections: &[Selection<Point>],
4199 selected_buffer_ids: &Vec<BufferId>,
4200 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
4201 sticky_header_excerpt_id: Option<ExcerptId>,
4202 window: &mut Window,
4203 cx: &mut App,
4204 ) -> Result<(Vec<BlockLayout>, HashMap<DisplayRow, bool>), HashMap<CustomBlockId, u32>> {
4205 let (fixed_blocks, non_fixed_blocks) = snapshot
4206 .blocks_in_range(rows.clone())
4207 .partition::<Vec<_>, _>(|(_, block)| block.style() == BlockStyle::Fixed);
4208
4209 let mut focused_block = self
4210 .editor
4211 .update(cx, |editor, _| editor.take_focused_block());
4212 let mut fixed_block_max_width = Pixels::ZERO;
4213 let mut blocks = Vec::new();
4214 let mut resized_blocks = HashMap::default();
4215 let mut row_block_types = HashMap::default();
4216
4217 for (row, block) in fixed_blocks {
4218 let block_id = block.id();
4219
4220 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4221 focused_block = None;
4222 }
4223
4224 if let Some((element, element_size, row, x_offset)) = self.render_block(
4225 block,
4226 AvailableSpace::MinContent,
4227 block_id,
4228 row,
4229 snapshot,
4230 text_x,
4231 &rows,
4232 line_layouts,
4233 editor_margins,
4234 line_height,
4235 em_width,
4236 text_hitbox,
4237 editor_width,
4238 scroll_width,
4239 &mut resized_blocks,
4240 &mut row_block_types,
4241 selections,
4242 selected_buffer_ids,
4243 is_row_soft_wrapped,
4244 sticky_header_excerpt_id,
4245 window,
4246 cx,
4247 ) {
4248 fixed_block_max_width = fixed_block_max_width.max(element_size.width + em_width);
4249 blocks.push(BlockLayout {
4250 id: block_id,
4251 x_offset,
4252 row: Some(row),
4253 element,
4254 available_space: size(AvailableSpace::MinContent, element_size.height.into()),
4255 style: BlockStyle::Fixed,
4256 overlaps_gutter: true,
4257 is_buffer_header: block.is_buffer_header(),
4258 });
4259 }
4260 }
4261
4262 for (row, block) in non_fixed_blocks {
4263 let style = block.style();
4264 let width = match (style, block.place_near()) {
4265 (_, true) => AvailableSpace::MinContent,
4266 (BlockStyle::Sticky, _) => hitbox.size.width.into(),
4267 (BlockStyle::Flex, _) => hitbox
4268 .size
4269 .width
4270 .max(fixed_block_max_width)
4271 .max(editor_margins.gutter.width + *scroll_width)
4272 .into(),
4273 (BlockStyle::Fixed, _) => unreachable!(),
4274 };
4275 let block_id = block.id();
4276
4277 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4278 focused_block = None;
4279 }
4280
4281 if let Some((element, element_size, row, x_offset)) = self.render_block(
4282 block,
4283 width,
4284 block_id,
4285 row,
4286 snapshot,
4287 text_x,
4288 &rows,
4289 line_layouts,
4290 editor_margins,
4291 line_height,
4292 em_width,
4293 text_hitbox,
4294 editor_width,
4295 scroll_width,
4296 &mut resized_blocks,
4297 &mut row_block_types,
4298 selections,
4299 selected_buffer_ids,
4300 is_row_soft_wrapped,
4301 sticky_header_excerpt_id,
4302 window,
4303 cx,
4304 ) {
4305 blocks.push(BlockLayout {
4306 id: block_id,
4307 x_offset,
4308 row: Some(row),
4309 element,
4310 available_space: size(width, element_size.height.into()),
4311 style,
4312 overlaps_gutter: !block.place_near(),
4313 is_buffer_header: block.is_buffer_header(),
4314 });
4315 }
4316 }
4317
4318 if let Some(focused_block) = focused_block
4319 && let Some(focus_handle) = focused_block.focus_handle.upgrade()
4320 && focus_handle.is_focused(window)
4321 && let Some(block) = snapshot.block_for_id(focused_block.id)
4322 {
4323 let style = block.style();
4324 let width = match style {
4325 BlockStyle::Fixed => AvailableSpace::MinContent,
4326 BlockStyle::Flex => AvailableSpace::Definite(
4327 hitbox
4328 .size
4329 .width
4330 .max(fixed_block_max_width)
4331 .max(editor_margins.gutter.width + *scroll_width),
4332 ),
4333 BlockStyle::Sticky => AvailableSpace::Definite(hitbox.size.width),
4334 };
4335
4336 if let Some((element, element_size, _, x_offset)) = self.render_block(
4337 &block,
4338 width,
4339 focused_block.id,
4340 rows.end,
4341 snapshot,
4342 text_x,
4343 &rows,
4344 line_layouts,
4345 editor_margins,
4346 line_height,
4347 em_width,
4348 text_hitbox,
4349 editor_width,
4350 scroll_width,
4351 &mut resized_blocks,
4352 &mut row_block_types,
4353 selections,
4354 selected_buffer_ids,
4355 is_row_soft_wrapped,
4356 sticky_header_excerpt_id,
4357 window,
4358 cx,
4359 ) {
4360 blocks.push(BlockLayout {
4361 id: block.id(),
4362 x_offset,
4363 row: None,
4364 element,
4365 available_space: size(width, element_size.height.into()),
4366 style,
4367 overlaps_gutter: true,
4368 is_buffer_header: block.is_buffer_header(),
4369 });
4370 }
4371 }
4372
4373 if resized_blocks.is_empty() {
4374 *scroll_width =
4375 (*scroll_width).max(fixed_block_max_width - editor_margins.gutter.width);
4376 Ok((blocks, row_block_types))
4377 } else {
4378 Err(resized_blocks)
4379 }
4380 }
4381
4382 fn layout_blocks(
4383 &self,
4384 blocks: &mut Vec<BlockLayout>,
4385 hitbox: &Hitbox,
4386 line_height: Pixels,
4387 scroll_position: gpui::Point<ScrollOffset>,
4388 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4389 window: &mut Window,
4390 cx: &mut App,
4391 ) {
4392 for block in blocks {
4393 let mut origin = if let Some(row) = block.row {
4394 hitbox.origin
4395 + point(
4396 block.x_offset,
4397 Pixels::from(
4398 (row.as_f64() - scroll_position.y)
4399 * ScrollPixelOffset::from(line_height),
4400 ),
4401 )
4402 } else {
4403 // Position the block outside the visible area
4404 hitbox.origin + point(Pixels::ZERO, hitbox.size.height)
4405 };
4406
4407 if !matches!(block.style, BlockStyle::Sticky) {
4408 origin += point(Pixels::from(-scroll_pixel_position.x), Pixels::ZERO);
4409 }
4410
4411 let focus_handle =
4412 block
4413 .element
4414 .prepaint_as_root(origin, block.available_space, window, cx);
4415
4416 if let Some(focus_handle) = focus_handle {
4417 self.editor.update(cx, |editor, _cx| {
4418 editor.set_focused_block(FocusedBlock {
4419 id: block.id,
4420 focus_handle: focus_handle.downgrade(),
4421 });
4422 });
4423 }
4424 }
4425 }
4426
4427 fn layout_sticky_buffer_header(
4428 &self,
4429 StickyHeaderExcerpt { excerpt }: StickyHeaderExcerpt<'_>,
4430 scroll_position: gpui::Point<ScrollOffset>,
4431 line_height: Pixels,
4432 right_margin: Pixels,
4433 snapshot: &EditorSnapshot,
4434 hitbox: &Hitbox,
4435 selected_buffer_ids: &Vec<BufferId>,
4436 blocks: &[BlockLayout],
4437 window: &mut Window,
4438 cx: &mut App,
4439 ) -> AnyElement {
4440 let jump_data = header_jump_data(
4441 snapshot,
4442 DisplayRow(scroll_position.y as u32),
4443 FILE_HEADER_HEIGHT + MULTI_BUFFER_EXCERPT_HEADER_HEIGHT,
4444 excerpt,
4445 );
4446
4447 let editor_bg_color = cx.theme().colors().editor_background;
4448
4449 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
4450
4451 let available_width = hitbox.bounds.size.width - right_margin;
4452
4453 let mut header = v_flex()
4454 .w_full()
4455 .relative()
4456 .child(
4457 div()
4458 .w(available_width)
4459 .h(FILE_HEADER_HEIGHT as f32 * line_height)
4460 .bg(linear_gradient(
4461 0.,
4462 linear_color_stop(editor_bg_color.opacity(0.), 0.),
4463 linear_color_stop(editor_bg_color, 0.6),
4464 ))
4465 .absolute()
4466 .top_0(),
4467 )
4468 .child(
4469 self.render_buffer_header(excerpt, false, selected, true, jump_data, window, cx)
4470 .into_any_element(),
4471 )
4472 .into_any_element();
4473
4474 let mut origin = hitbox.origin;
4475 // Move floating header up to avoid colliding with the next buffer header.
4476 for block in blocks.iter() {
4477 if !block.is_buffer_header {
4478 continue;
4479 }
4480
4481 let Some(display_row) = block.row.filter(|row| row.0 > scroll_position.y as u32) else {
4482 continue;
4483 };
4484
4485 let max_row = display_row.0.saturating_sub(FILE_HEADER_HEIGHT);
4486 let offset = scroll_position.y - max_row as f64;
4487
4488 if offset > 0.0 {
4489 origin.y -= Pixels::from(offset * ScrollPixelOffset::from(line_height));
4490 }
4491 break;
4492 }
4493
4494 let size = size(
4495 AvailableSpace::Definite(available_width),
4496 AvailableSpace::MinContent,
4497 );
4498
4499 header.prepaint_as_root(origin, size, window, cx);
4500
4501 header
4502 }
4503
4504 fn layout_cursor_popovers(
4505 &self,
4506 line_height: Pixels,
4507 text_hitbox: &Hitbox,
4508 content_origin: gpui::Point<Pixels>,
4509 right_margin: Pixels,
4510 start_row: DisplayRow,
4511 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4512 line_layouts: &[LineWithInvisibles],
4513 cursor: DisplayPoint,
4514 cursor_point: Point,
4515 style: &EditorStyle,
4516 window: &mut Window,
4517 cx: &mut App,
4518 ) -> Option<ContextMenuLayout> {
4519 let mut min_menu_height = Pixels::ZERO;
4520 let mut max_menu_height = Pixels::ZERO;
4521 let mut height_above_menu = Pixels::ZERO;
4522 let height_below_menu = Pixels::ZERO;
4523 let mut edit_prediction_popover_visible = false;
4524 let mut context_menu_visible = false;
4525 let context_menu_placement;
4526
4527 {
4528 let editor = self.editor.read(cx);
4529 if editor.edit_prediction_visible_in_cursor_popover(editor.has_active_edit_prediction())
4530 {
4531 height_above_menu +=
4532 editor.edit_prediction_cursor_popover_height() + POPOVER_Y_PADDING;
4533 edit_prediction_popover_visible = true;
4534 }
4535
4536 if editor.context_menu_visible()
4537 && let Some(crate::ContextMenuOrigin::Cursor) = editor.context_menu_origin()
4538 {
4539 let (min_height_in_lines, max_height_in_lines) = editor
4540 .context_menu_options
4541 .as_ref()
4542 .map_or((3, 12), |options| {
4543 (options.min_entries_visible, options.max_entries_visible)
4544 });
4545
4546 min_menu_height += line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4547 max_menu_height += line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4548 context_menu_visible = true;
4549 }
4550 context_menu_placement = editor
4551 .context_menu_options
4552 .as_ref()
4553 .and_then(|options| options.placement.clone());
4554 }
4555
4556 let visible = edit_prediction_popover_visible || context_menu_visible;
4557 if !visible {
4558 return None;
4559 }
4560
4561 let cursor_row_layout = &line_layouts[cursor.row().minus(start_row) as usize];
4562 let target_position = content_origin
4563 + gpui::Point {
4564 x: cmp::max(
4565 px(0.),
4566 Pixels::from(
4567 ScrollPixelOffset::from(
4568 cursor_row_layout.x_for_index(cursor.column() as usize),
4569 ) - scroll_pixel_position.x,
4570 ),
4571 ),
4572 y: cmp::max(
4573 px(0.),
4574 Pixels::from(
4575 cursor.row().next_row().as_f64() * ScrollPixelOffset::from(line_height)
4576 - scroll_pixel_position.y,
4577 ),
4578 ),
4579 };
4580
4581 let viewport_bounds =
4582 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4583 right: -right_margin - MENU_GAP,
4584 ..Default::default()
4585 });
4586
4587 let min_height = height_above_menu + min_menu_height + height_below_menu;
4588 let max_height = height_above_menu + max_menu_height + height_below_menu;
4589 let (laid_out_popovers, y_flipped) = self.layout_popovers_above_or_below_line(
4590 target_position,
4591 line_height,
4592 min_height,
4593 max_height,
4594 context_menu_placement,
4595 text_hitbox,
4596 viewport_bounds,
4597 window,
4598 cx,
4599 |height, max_width_for_stable_x, y_flipped, window, cx| {
4600 // First layout the menu to get its size - others can be at least this wide.
4601 let context_menu = if context_menu_visible {
4602 let menu_height = if y_flipped {
4603 height - height_below_menu
4604 } else {
4605 height - height_above_menu
4606 };
4607 let mut element = self
4608 .render_context_menu(line_height, menu_height, window, cx)
4609 .expect("Visible context menu should always render.");
4610 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4611 Some((CursorPopoverType::CodeContextMenu, element, size))
4612 } else {
4613 None
4614 };
4615 let min_width = context_menu
4616 .as_ref()
4617 .map_or(px(0.), |(_, _, size)| size.width);
4618 let max_width = max_width_for_stable_x.max(
4619 context_menu
4620 .as_ref()
4621 .map_or(px(0.), |(_, _, size)| size.width),
4622 );
4623
4624 let edit_prediction = if edit_prediction_popover_visible {
4625 self.editor.update(cx, move |editor, cx| {
4626 let accept_binding =
4627 editor.accept_edit_prediction_keybind(false, window, cx);
4628 let mut element = editor.render_edit_prediction_cursor_popover(
4629 min_width,
4630 max_width,
4631 cursor_point,
4632 style,
4633 accept_binding.keystroke(),
4634 window,
4635 cx,
4636 )?;
4637 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4638 Some((CursorPopoverType::EditPrediction, element, size))
4639 })
4640 } else {
4641 None
4642 };
4643 vec![edit_prediction, context_menu]
4644 .into_iter()
4645 .flatten()
4646 .collect::<Vec<_>>()
4647 },
4648 )?;
4649
4650 let (menu_ix, (_, menu_bounds)) = laid_out_popovers
4651 .iter()
4652 .find_position(|(x, _)| matches!(x, CursorPopoverType::CodeContextMenu))?;
4653 let last_ix = laid_out_popovers.len() - 1;
4654 let menu_is_last = menu_ix == last_ix;
4655 let first_popover_bounds = laid_out_popovers[0].1;
4656 let last_popover_bounds = laid_out_popovers[last_ix].1;
4657
4658 // Bounds to layout the aside around. When y_flipped, the aside goes either above or to the
4659 // right, and otherwise it goes below or to the right.
4660 let mut target_bounds = Bounds::from_corners(
4661 first_popover_bounds.origin,
4662 last_popover_bounds.bottom_right(),
4663 );
4664 target_bounds.size.width = menu_bounds.size.width;
4665
4666 // Like `target_bounds`, but with the max height it could occupy. Choosing an aside position
4667 // based on this is preferred for layout stability.
4668 let mut max_target_bounds = target_bounds;
4669 max_target_bounds.size.height = max_height;
4670 if y_flipped {
4671 max_target_bounds.origin.y -= max_height - target_bounds.size.height;
4672 }
4673
4674 // Add spacing around `target_bounds` and `max_target_bounds`.
4675 let mut extend_amount = Edges::all(MENU_GAP);
4676 if y_flipped {
4677 extend_amount.bottom = line_height;
4678 } else {
4679 extend_amount.top = line_height;
4680 }
4681 let target_bounds = target_bounds.extend(extend_amount);
4682 let max_target_bounds = max_target_bounds.extend(extend_amount);
4683
4684 let must_place_above_or_below =
4685 if y_flipped && !menu_is_last && menu_bounds.size.height < max_menu_height {
4686 laid_out_popovers[menu_ix + 1..]
4687 .iter()
4688 .any(|(_, popover_bounds)| popover_bounds.size.width > menu_bounds.size.width)
4689 } else {
4690 false
4691 };
4692
4693 let aside_bounds = self.layout_context_menu_aside(
4694 y_flipped,
4695 *menu_bounds,
4696 target_bounds,
4697 max_target_bounds,
4698 max_menu_height,
4699 must_place_above_or_below,
4700 text_hitbox,
4701 viewport_bounds,
4702 window,
4703 cx,
4704 );
4705
4706 if let Some(menu_bounds) = laid_out_popovers.iter().find_map(|(popover_type, bounds)| {
4707 if matches!(popover_type, CursorPopoverType::CodeContextMenu) {
4708 Some(*bounds)
4709 } else {
4710 None
4711 }
4712 }) {
4713 let bounds = if let Some(aside_bounds) = aside_bounds {
4714 menu_bounds.union(&aside_bounds)
4715 } else {
4716 menu_bounds
4717 };
4718 return Some(ContextMenuLayout { y_flipped, bounds });
4719 }
4720
4721 None
4722 }
4723
4724 fn layout_gutter_menu(
4725 &self,
4726 line_height: Pixels,
4727 text_hitbox: &Hitbox,
4728 content_origin: gpui::Point<Pixels>,
4729 right_margin: Pixels,
4730 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4731 gutter_overshoot: Pixels,
4732 window: &mut Window,
4733 cx: &mut App,
4734 ) {
4735 let editor = self.editor.read(cx);
4736 if !editor.context_menu_visible() {
4737 return;
4738 }
4739 let Some(crate::ContextMenuOrigin::GutterIndicator(gutter_row)) =
4740 editor.context_menu_origin()
4741 else {
4742 return;
4743 };
4744 // Context menu was spawned via a click on a gutter. Ensure it's a bit closer to the
4745 // indicator than just a plain first column of the text field.
4746 let target_position = content_origin
4747 + gpui::Point {
4748 x: -gutter_overshoot,
4749 y: Pixels::from(
4750 gutter_row.next_row().as_f64() * ScrollPixelOffset::from(line_height)
4751 - scroll_pixel_position.y,
4752 ),
4753 };
4754
4755 let (min_height_in_lines, max_height_in_lines) = editor
4756 .context_menu_options
4757 .as_ref()
4758 .map_or((3, 12), |options| {
4759 (options.min_entries_visible, options.max_entries_visible)
4760 });
4761
4762 let min_height = line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4763 let max_height = line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4764 let viewport_bounds =
4765 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4766 right: -right_margin - MENU_GAP,
4767 ..Default::default()
4768 });
4769 self.layout_popovers_above_or_below_line(
4770 target_position,
4771 line_height,
4772 min_height,
4773 max_height,
4774 editor
4775 .context_menu_options
4776 .as_ref()
4777 .and_then(|options| options.placement.clone()),
4778 text_hitbox,
4779 viewport_bounds,
4780 window,
4781 cx,
4782 move |height, _max_width_for_stable_x, _, window, cx| {
4783 let mut element = self
4784 .render_context_menu(line_height, height, window, cx)
4785 .expect("Visible context menu should always render.");
4786 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4787 vec![(CursorPopoverType::CodeContextMenu, element, size)]
4788 },
4789 );
4790 }
4791
4792 fn layout_popovers_above_or_below_line(
4793 &self,
4794 target_position: gpui::Point<Pixels>,
4795 line_height: Pixels,
4796 min_height: Pixels,
4797 max_height: Pixels,
4798 placement: Option<ContextMenuPlacement>,
4799 text_hitbox: &Hitbox,
4800 viewport_bounds: Bounds<Pixels>,
4801 window: &mut Window,
4802 cx: &mut App,
4803 make_sized_popovers: impl FnOnce(
4804 Pixels,
4805 Pixels,
4806 bool,
4807 &mut Window,
4808 &mut App,
4809 ) -> Vec<(CursorPopoverType, AnyElement, Size<Pixels>)>,
4810 ) -> Option<(Vec<(CursorPopoverType, Bounds<Pixels>)>, bool)> {
4811 let text_style = TextStyleRefinement {
4812 line_height: Some(DefiniteLength::Fraction(
4813 BufferLineHeight::Comfortable.value(),
4814 )),
4815 ..Default::default()
4816 };
4817 window.with_text_style(Some(text_style), |window| {
4818 // If the max height won't fit below and there is more space above, put it above the line.
4819 let bottom_y_when_flipped = target_position.y - line_height;
4820 let available_above = bottom_y_when_flipped - text_hitbox.top();
4821 let available_below = text_hitbox.bottom() - target_position.y;
4822 let y_overflows_below = max_height > available_below;
4823 let mut y_flipped = match placement {
4824 Some(ContextMenuPlacement::Above) => true,
4825 Some(ContextMenuPlacement::Below) => false,
4826 None => y_overflows_below && available_above > available_below,
4827 };
4828 let mut height = cmp::min(
4829 max_height,
4830 if y_flipped {
4831 available_above
4832 } else {
4833 available_below
4834 },
4835 );
4836
4837 // If the min height doesn't fit within text bounds, instead fit within the window.
4838 if height < min_height {
4839 let available_above = bottom_y_when_flipped;
4840 let available_below = viewport_bounds.bottom() - target_position.y;
4841 let (y_flipped_override, height_override) = match placement {
4842 Some(ContextMenuPlacement::Above) => {
4843 (true, cmp::min(available_above, min_height))
4844 }
4845 Some(ContextMenuPlacement::Below) => {
4846 (false, cmp::min(available_below, min_height))
4847 }
4848 None => {
4849 if available_below > min_height {
4850 (false, min_height)
4851 } else if available_above > min_height {
4852 (true, min_height)
4853 } else if available_above > available_below {
4854 (true, available_above)
4855 } else {
4856 (false, available_below)
4857 }
4858 }
4859 };
4860 y_flipped = y_flipped_override;
4861 height = height_override;
4862 }
4863
4864 let max_width_for_stable_x = viewport_bounds.right() - target_position.x;
4865
4866 // TODO: Use viewport_bounds.width as a max width so that it doesn't get clipped on the left
4867 // for very narrow windows.
4868 let popovers =
4869 make_sized_popovers(height, max_width_for_stable_x, y_flipped, window, cx);
4870 if popovers.is_empty() {
4871 return None;
4872 }
4873
4874 let max_width = popovers
4875 .iter()
4876 .map(|(_, _, size)| size.width)
4877 .max()
4878 .unwrap_or_default();
4879
4880 let mut current_position = gpui::Point {
4881 // Snap the right edge of the list to the right edge of the window if its horizontal bounds
4882 // overflow. Include space for the scrollbar.
4883 x: target_position
4884 .x
4885 .min((viewport_bounds.right() - max_width).max(Pixels::ZERO)),
4886 y: if y_flipped {
4887 bottom_y_when_flipped
4888 } else {
4889 target_position.y
4890 },
4891 };
4892
4893 let mut laid_out_popovers = popovers
4894 .into_iter()
4895 .map(|(popover_type, element, size)| {
4896 if y_flipped {
4897 current_position.y -= size.height;
4898 }
4899 let position = current_position;
4900 window.defer_draw(element, current_position, 1);
4901 if !y_flipped {
4902 current_position.y += size.height + MENU_GAP;
4903 } else {
4904 current_position.y -= MENU_GAP;
4905 }
4906 (popover_type, Bounds::new(position, size))
4907 })
4908 .collect::<Vec<_>>();
4909
4910 if y_flipped {
4911 laid_out_popovers.reverse();
4912 }
4913
4914 Some((laid_out_popovers, y_flipped))
4915 })
4916 }
4917
4918 fn layout_context_menu_aside(
4919 &self,
4920 y_flipped: bool,
4921 menu_bounds: Bounds<Pixels>,
4922 target_bounds: Bounds<Pixels>,
4923 max_target_bounds: Bounds<Pixels>,
4924 max_height: Pixels,
4925 must_place_above_or_below: bool,
4926 text_hitbox: &Hitbox,
4927 viewport_bounds: Bounds<Pixels>,
4928 window: &mut Window,
4929 cx: &mut App,
4930 ) -> Option<Bounds<Pixels>> {
4931 let available_within_viewport = target_bounds.space_within(&viewport_bounds);
4932 let positioned_aside = if available_within_viewport.right >= MENU_ASIDE_MIN_WIDTH
4933 && !must_place_above_or_below
4934 {
4935 let max_width = cmp::min(
4936 available_within_viewport.right - px(1.),
4937 MENU_ASIDE_MAX_WIDTH,
4938 );
4939 let mut aside = self.render_context_menu_aside(
4940 size(max_width, max_height - POPOVER_Y_PADDING),
4941 window,
4942 cx,
4943 )?;
4944 let size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4945 let right_position = point(target_bounds.right(), menu_bounds.origin.y);
4946 Some((aside, right_position, size))
4947 } else {
4948 let max_size = size(
4949 // TODO(mgsloan): Once the menu is bounded by viewport width the bound on viewport
4950 // won't be needed here.
4951 cmp::min(
4952 cmp::max(menu_bounds.size.width - px(2.), MENU_ASIDE_MIN_WIDTH),
4953 viewport_bounds.right(),
4954 ),
4955 cmp::min(
4956 max_height,
4957 cmp::max(
4958 available_within_viewport.top,
4959 available_within_viewport.bottom,
4960 ),
4961 ) - POPOVER_Y_PADDING,
4962 );
4963 let mut aside = self.render_context_menu_aside(max_size, window, cx)?;
4964 let actual_size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4965
4966 let top_position = point(
4967 menu_bounds.origin.x,
4968 target_bounds.top() - actual_size.height,
4969 );
4970 let bottom_position = point(menu_bounds.origin.x, target_bounds.bottom());
4971
4972 let fit_within = |available: Edges<Pixels>, wanted: Size<Pixels>| {
4973 // Prefer to fit on the same side of the line as the menu, then on the other side of
4974 // the line.
4975 if !y_flipped && wanted.height < available.bottom {
4976 Some(bottom_position)
4977 } else if !y_flipped && wanted.height < available.top {
4978 Some(top_position)
4979 } else if y_flipped && wanted.height < available.top {
4980 Some(top_position)
4981 } else if y_flipped && wanted.height < available.bottom {
4982 Some(bottom_position)
4983 } else {
4984 None
4985 }
4986 };
4987
4988 // Prefer choosing a direction using max sizes rather than actual size for stability.
4989 let available_within_text = max_target_bounds.space_within(&text_hitbox.bounds);
4990 let wanted = size(MENU_ASIDE_MAX_WIDTH, max_height);
4991 let aside_position = fit_within(available_within_text, wanted)
4992 // Fallback: fit max size in window.
4993 .or_else(|| fit_within(max_target_bounds.space_within(&viewport_bounds), wanted))
4994 // Fallback: fit actual size in window.
4995 .or_else(|| fit_within(available_within_viewport, actual_size));
4996
4997 aside_position.map(|position| (aside, position, actual_size))
4998 };
4999
5000 // Skip drawing if it doesn't fit anywhere.
5001 if let Some((aside, position, size)) = positioned_aside {
5002 let aside_bounds = Bounds::new(position, size);
5003 window.defer_draw(aside, position, 2);
5004 return Some(aside_bounds);
5005 }
5006
5007 None
5008 }
5009
5010 fn render_context_menu(
5011 &self,
5012 line_height: Pixels,
5013 height: Pixels,
5014 window: &mut Window,
5015 cx: &mut App,
5016 ) -> Option<AnyElement> {
5017 let max_height_in_lines = ((height - POPOVER_Y_PADDING) / line_height).floor() as u32;
5018 self.editor.update(cx, |editor, cx| {
5019 editor.render_context_menu(&self.style, max_height_in_lines, window, cx)
5020 })
5021 }
5022
5023 fn render_context_menu_aside(
5024 &self,
5025 max_size: Size<Pixels>,
5026 window: &mut Window,
5027 cx: &mut App,
5028 ) -> Option<AnyElement> {
5029 if max_size.width < px(100.) || max_size.height < px(12.) {
5030 None
5031 } else {
5032 self.editor.update(cx, |editor, cx| {
5033 editor.render_context_menu_aside(max_size, window, cx)
5034 })
5035 }
5036 }
5037
5038 fn layout_mouse_context_menu(
5039 &self,
5040 editor_snapshot: &EditorSnapshot,
5041 visible_range: Range<DisplayRow>,
5042 content_origin: gpui::Point<Pixels>,
5043 window: &mut Window,
5044 cx: &mut App,
5045 ) -> Option<AnyElement> {
5046 let position = self.editor.update(cx, |editor, _cx| {
5047 let visible_start_point = editor.display_to_pixel_point(
5048 DisplayPoint::new(visible_range.start, 0),
5049 editor_snapshot,
5050 window,
5051 )?;
5052 let visible_end_point = editor.display_to_pixel_point(
5053 DisplayPoint::new(visible_range.end, 0),
5054 editor_snapshot,
5055 window,
5056 )?;
5057
5058 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
5059 let (source_display_point, position) = match mouse_context_menu.position {
5060 MenuPosition::PinnedToScreen(point) => (None, point),
5061 MenuPosition::PinnedToEditor { source, offset } => {
5062 let source_display_point = source.to_display_point(editor_snapshot);
5063 let source_point = editor.to_pixel_point(source, editor_snapshot, window)?;
5064 let position = content_origin + source_point + offset;
5065 (Some(source_display_point), position)
5066 }
5067 };
5068
5069 let source_included = source_display_point.is_none_or(|source_display_point| {
5070 visible_range
5071 .to_inclusive()
5072 .contains(&source_display_point.row())
5073 });
5074 let position_included =
5075 visible_start_point.y <= position.y && position.y <= visible_end_point.y;
5076 if !source_included && !position_included {
5077 None
5078 } else {
5079 Some(position)
5080 }
5081 })?;
5082
5083 let text_style = TextStyleRefinement {
5084 line_height: Some(DefiniteLength::Fraction(
5085 BufferLineHeight::Comfortable.value(),
5086 )),
5087 ..Default::default()
5088 };
5089 window.with_text_style(Some(text_style), |window| {
5090 let mut element = self.editor.read_with(cx, |editor, _| {
5091 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
5092 let context_menu = mouse_context_menu.context_menu.clone();
5093
5094 Some(
5095 deferred(
5096 anchored()
5097 .position(position)
5098 .child(context_menu)
5099 .anchor(Corner::TopLeft)
5100 .snap_to_window_with_margin(px(8.)),
5101 )
5102 .with_priority(1)
5103 .into_any(),
5104 )
5105 })?;
5106
5107 element.prepaint_as_root(position, AvailableSpace::min_size(), window, cx);
5108 Some(element)
5109 })
5110 }
5111
5112 fn layout_hover_popovers(
5113 &self,
5114 snapshot: &EditorSnapshot,
5115 hitbox: &Hitbox,
5116 visible_display_row_range: Range<DisplayRow>,
5117 content_origin: gpui::Point<Pixels>,
5118 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5119 line_layouts: &[LineWithInvisibles],
5120 line_height: Pixels,
5121 em_width: Pixels,
5122 context_menu_layout: Option<ContextMenuLayout>,
5123 window: &mut Window,
5124 cx: &mut App,
5125 ) {
5126 struct MeasuredHoverPopover {
5127 element: AnyElement,
5128 size: Size<Pixels>,
5129 horizontal_offset: Pixels,
5130 }
5131
5132 let max_size = size(
5133 (120. * em_width) // Default size
5134 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5135 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5136 (16. * line_height) // Default size
5137 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5138 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5139 );
5140
5141 let hover_popovers = self.editor.update(cx, |editor, cx| {
5142 editor.hover_state.render(
5143 snapshot,
5144 visible_display_row_range.clone(),
5145 max_size,
5146 window,
5147 cx,
5148 )
5149 });
5150 let Some((position, hover_popovers)) = hover_popovers else {
5151 return;
5152 };
5153
5154 // This is safe because we check on layout whether the required row is available
5155 let hovered_row_layout =
5156 &line_layouts[position.row().minus(visible_display_row_range.start) as usize];
5157
5158 // Compute Hovered Point
5159 let x = hovered_row_layout.x_for_index(position.column() as usize)
5160 - Pixels::from(scroll_pixel_position.x);
5161 let y = Pixels::from(
5162 position.row().as_f64() * ScrollPixelOffset::from(line_height)
5163 - scroll_pixel_position.y,
5164 );
5165 let hovered_point = content_origin + point(x, y);
5166
5167 let mut overall_height = Pixels::ZERO;
5168 let mut measured_hover_popovers = Vec::new();
5169 for (position, mut hover_popover) in hover_popovers.into_iter().with_position() {
5170 let size = hover_popover.layout_as_root(AvailableSpace::min_size(), window, cx);
5171 let horizontal_offset =
5172 (hitbox.top_right().x - POPOVER_RIGHT_OFFSET - (hovered_point.x + size.width))
5173 .min(Pixels::ZERO);
5174 match position {
5175 itertools::Position::Middle | itertools::Position::Last => {
5176 overall_height += HOVER_POPOVER_GAP
5177 }
5178 _ => {}
5179 }
5180 overall_height += size.height;
5181 measured_hover_popovers.push(MeasuredHoverPopover {
5182 element: hover_popover,
5183 size,
5184 horizontal_offset,
5185 });
5186 }
5187
5188 fn draw_occluder(
5189 width: Pixels,
5190 origin: gpui::Point<Pixels>,
5191 window: &mut Window,
5192 cx: &mut App,
5193 ) {
5194 let mut occlusion = div()
5195 .size_full()
5196 .occlude()
5197 .on_mouse_move(|_, _, cx| cx.stop_propagation())
5198 .into_any_element();
5199 occlusion.layout_as_root(size(width, HOVER_POPOVER_GAP).into(), window, cx);
5200 window.defer_draw(occlusion, origin, 2);
5201 }
5202
5203 fn place_popovers_above(
5204 hovered_point: gpui::Point<Pixels>,
5205 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5206 window: &mut Window,
5207 cx: &mut App,
5208 ) {
5209 let mut current_y = hovered_point.y;
5210 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5211 let size = popover.size;
5212 let popover_origin = point(
5213 hovered_point.x + popover.horizontal_offset,
5214 current_y - size.height,
5215 );
5216
5217 window.defer_draw(popover.element, popover_origin, 2);
5218 if position != itertools::Position::Last {
5219 let origin = point(popover_origin.x, popover_origin.y - HOVER_POPOVER_GAP);
5220 draw_occluder(size.width, origin, window, cx);
5221 }
5222
5223 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5224 }
5225 }
5226
5227 fn place_popovers_below(
5228 hovered_point: gpui::Point<Pixels>,
5229 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5230 line_height: Pixels,
5231 window: &mut Window,
5232 cx: &mut App,
5233 ) {
5234 let mut current_y = hovered_point.y + line_height;
5235 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5236 let size = popover.size;
5237 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5238
5239 window.defer_draw(popover.element, popover_origin, 2);
5240 if position != itertools::Position::Last {
5241 let origin = point(popover_origin.x, popover_origin.y + size.height);
5242 draw_occluder(size.width, origin, window, cx);
5243 }
5244
5245 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5246 }
5247 }
5248
5249 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5250 context_menu_layout
5251 .as_ref()
5252 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5253 };
5254
5255 let can_place_above = {
5256 let mut bounds_above = Vec::new();
5257 let mut current_y = hovered_point.y;
5258 for popover in &measured_hover_popovers {
5259 let size = popover.size;
5260 let popover_origin = point(
5261 hovered_point.x + popover.horizontal_offset,
5262 current_y - size.height,
5263 );
5264 bounds_above.push(Bounds::new(popover_origin, size));
5265 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5266 }
5267 bounds_above
5268 .iter()
5269 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5270 };
5271
5272 let can_place_below = || {
5273 let mut bounds_below = Vec::new();
5274 let mut current_y = hovered_point.y + line_height;
5275 for popover in &measured_hover_popovers {
5276 let size = popover.size;
5277 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5278 bounds_below.push(Bounds::new(popover_origin, size));
5279 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5280 }
5281 bounds_below
5282 .iter()
5283 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5284 };
5285
5286 if can_place_above {
5287 // try placing above hovered point
5288 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5289 } else if can_place_below() {
5290 // try placing below hovered point
5291 place_popovers_below(
5292 hovered_point,
5293 measured_hover_popovers,
5294 line_height,
5295 window,
5296 cx,
5297 );
5298 } else {
5299 // try to place popovers around the context menu
5300 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5301 let total_width = measured_hover_popovers
5302 .iter()
5303 .map(|p| p.size.width)
5304 .max()
5305 .unwrap_or(Pixels::ZERO);
5306 let y_for_horizontal_positioning = if menu.y_flipped {
5307 menu.bounds.bottom() - overall_height
5308 } else {
5309 menu.bounds.top()
5310 };
5311 let possible_origins = vec![
5312 // left of context menu
5313 point(
5314 menu.bounds.left() - total_width - HOVER_POPOVER_GAP,
5315 y_for_horizontal_positioning,
5316 ),
5317 // right of context menu
5318 point(
5319 menu.bounds.right() + HOVER_POPOVER_GAP,
5320 y_for_horizontal_positioning,
5321 ),
5322 // top of context menu
5323 point(
5324 menu.bounds.left(),
5325 menu.bounds.top() - overall_height - HOVER_POPOVER_GAP,
5326 ),
5327 // bottom of context menu
5328 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5329 ];
5330 possible_origins.into_iter().find(|&origin| {
5331 Bounds::new(origin, size(total_width, overall_height))
5332 .is_contained_within(hitbox)
5333 })
5334 });
5335 if let Some(origin) = origin_surrounding_menu {
5336 let mut current_y = origin.y;
5337 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5338 let size = popover.size;
5339 let popover_origin = point(origin.x, current_y);
5340
5341 window.defer_draw(popover.element, popover_origin, 2);
5342 if position != itertools::Position::Last {
5343 let origin = point(popover_origin.x, popover_origin.y + size.height);
5344 draw_occluder(size.width, origin, window, cx);
5345 }
5346
5347 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5348 }
5349 } else {
5350 // fallback to existing above/below cursor logic
5351 // this might overlap menu or overflow in rare case
5352 if can_place_above {
5353 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5354 } else {
5355 place_popovers_below(
5356 hovered_point,
5357 measured_hover_popovers,
5358 line_height,
5359 window,
5360 cx,
5361 );
5362 }
5363 }
5364 }
5365 }
5366
5367 fn layout_diff_hunk_controls(
5368 &self,
5369 row_range: Range<DisplayRow>,
5370 row_infos: &[RowInfo],
5371 text_hitbox: &Hitbox,
5372 newest_cursor_position: Option<DisplayPoint>,
5373 line_height: Pixels,
5374 right_margin: Pixels,
5375 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5376 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
5377 highlighted_rows: &BTreeMap<DisplayRow, LineHighlight>,
5378 editor: Entity<Editor>,
5379 window: &mut Window,
5380 cx: &mut App,
5381 ) -> (Vec<AnyElement>, Vec<(DisplayRow, Bounds<Pixels>)>) {
5382 let render_diff_hunk_controls = editor.read(cx).render_diff_hunk_controls.clone();
5383 let hovered_diff_hunk_row = editor.read(cx).hovered_diff_hunk_row;
5384
5385 let mut controls = vec![];
5386 let mut control_bounds = vec![];
5387
5388 let active_positions = [
5389 hovered_diff_hunk_row.map(|row| DisplayPoint::new(row, 0)),
5390 newest_cursor_position,
5391 ];
5392
5393 for (hunk, _) in display_hunks {
5394 if let DisplayDiffHunk::Unfolded {
5395 display_row_range,
5396 multi_buffer_range,
5397 status,
5398 is_created_file,
5399 ..
5400 } = &hunk
5401 {
5402 if display_row_range.start < row_range.start
5403 || display_row_range.start >= row_range.end
5404 {
5405 continue;
5406 }
5407 if highlighted_rows
5408 .get(&display_row_range.start)
5409 .and_then(|highlight| highlight.type_id)
5410 .is_some_and(|type_id| {
5411 [
5412 TypeId::of::<ConflictsOuter>(),
5413 TypeId::of::<ConflictsOursMarker>(),
5414 TypeId::of::<ConflictsOurs>(),
5415 TypeId::of::<ConflictsTheirs>(),
5416 TypeId::of::<ConflictsTheirsMarker>(),
5417 ]
5418 .contains(&type_id)
5419 })
5420 {
5421 continue;
5422 }
5423 let row_ix = (display_row_range.start - row_range.start).0 as usize;
5424 if row_infos[row_ix].diff_status.is_none() {
5425 continue;
5426 }
5427 if row_infos[row_ix]
5428 .diff_status
5429 .is_some_and(|status| status.is_added())
5430 && !status.is_added()
5431 {
5432 continue;
5433 }
5434
5435 if active_positions
5436 .iter()
5437 .any(|p| p.is_some_and(|p| display_row_range.contains(&p.row())))
5438 {
5439 let y = (display_row_range.start.as_f64()
5440 * ScrollPixelOffset::from(line_height)
5441 + ScrollPixelOffset::from(text_hitbox.bounds.top())
5442 - scroll_pixel_position.y)
5443 .into();
5444
5445 let mut element = render_diff_hunk_controls(
5446 display_row_range.start.0,
5447 status,
5448 multi_buffer_range.clone(),
5449 *is_created_file,
5450 line_height,
5451 &editor,
5452 window,
5453 cx,
5454 );
5455 let size =
5456 element.layout_as_root(size(px(100.0), line_height).into(), window, cx);
5457
5458 let x = text_hitbox.bounds.right() - right_margin - px(10.) - size.width;
5459
5460 let bounds = Bounds::new(gpui::Point::new(x, y), size);
5461 control_bounds.push((display_row_range.start, bounds));
5462
5463 window.with_absolute_element_offset(gpui::Point::new(x, y), |window| {
5464 element.prepaint(window, cx)
5465 });
5466 controls.push(element);
5467 }
5468 }
5469 }
5470
5471 (controls, control_bounds)
5472 }
5473
5474 fn layout_signature_help(
5475 &self,
5476 hitbox: &Hitbox,
5477 content_origin: gpui::Point<Pixels>,
5478 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5479 newest_selection_head: Option<DisplayPoint>,
5480 start_row: DisplayRow,
5481 line_layouts: &[LineWithInvisibles],
5482 line_height: Pixels,
5483 em_width: Pixels,
5484 context_menu_layout: Option<ContextMenuLayout>,
5485 window: &mut Window,
5486 cx: &mut App,
5487 ) {
5488 if !self.editor.focus_handle(cx).is_focused(window) {
5489 return;
5490 }
5491 let Some(newest_selection_head) = newest_selection_head else {
5492 return;
5493 };
5494
5495 let max_size = size(
5496 (120. * em_width) // Default size
5497 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5498 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5499 (16. * line_height) // Default size
5500 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5501 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5502 );
5503
5504 let maybe_element = self.editor.update(cx, |editor, cx| {
5505 if let Some(popover) = editor.signature_help_state.popover_mut() {
5506 let element = popover.render(max_size, window, cx);
5507 Some(element)
5508 } else {
5509 None
5510 }
5511 });
5512 let Some(mut element) = maybe_element else {
5513 return;
5514 };
5515
5516 let selection_row = newest_selection_head.row();
5517 let Some(cursor_row_layout) = (selection_row >= start_row)
5518 .then(|| line_layouts.get(selection_row.minus(start_row) as usize))
5519 .flatten()
5520 else {
5521 return;
5522 };
5523
5524 let target_x = cursor_row_layout.x_for_index(newest_selection_head.column() as usize)
5525 - Pixels::from(scroll_pixel_position.x);
5526 let target_y = Pixels::from(
5527 selection_row.as_f64() * ScrollPixelOffset::from(line_height) - scroll_pixel_position.y,
5528 );
5529 let target_point = content_origin + point(target_x, target_y);
5530
5531 let actual_size = element.layout_as_root(Size::<AvailableSpace>::default(), window, cx);
5532
5533 let (popover_bounds_above, popover_bounds_below) = {
5534 let horizontal_offset = (hitbox.top_right().x
5535 - POPOVER_RIGHT_OFFSET
5536 - (target_point.x + actual_size.width))
5537 .min(Pixels::ZERO);
5538 let initial_x = target_point.x + horizontal_offset;
5539 (
5540 Bounds::new(
5541 point(initial_x, target_point.y - actual_size.height),
5542 actual_size,
5543 ),
5544 Bounds::new(
5545 point(initial_x, target_point.y + line_height + HOVER_POPOVER_GAP),
5546 actual_size,
5547 ),
5548 )
5549 };
5550
5551 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5552 context_menu_layout
5553 .as_ref()
5554 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5555 };
5556
5557 let final_origin = if popover_bounds_above.is_contained_within(hitbox)
5558 && !intersects_menu(popover_bounds_above)
5559 {
5560 // try placing above cursor
5561 popover_bounds_above.origin
5562 } else if popover_bounds_below.is_contained_within(hitbox)
5563 && !intersects_menu(popover_bounds_below)
5564 {
5565 // try placing below cursor
5566 popover_bounds_below.origin
5567 } else {
5568 // try surrounding context menu if exists
5569 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5570 let y_for_horizontal_positioning = if menu.y_flipped {
5571 menu.bounds.bottom() - actual_size.height
5572 } else {
5573 menu.bounds.top()
5574 };
5575 let possible_origins = vec![
5576 // left of context menu
5577 point(
5578 menu.bounds.left() - actual_size.width - HOVER_POPOVER_GAP,
5579 y_for_horizontal_positioning,
5580 ),
5581 // right of context menu
5582 point(
5583 menu.bounds.right() + HOVER_POPOVER_GAP,
5584 y_for_horizontal_positioning,
5585 ),
5586 // top of context menu
5587 point(
5588 menu.bounds.left(),
5589 menu.bounds.top() - actual_size.height - HOVER_POPOVER_GAP,
5590 ),
5591 // bottom of context menu
5592 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5593 ];
5594 possible_origins
5595 .into_iter()
5596 .find(|&origin| Bounds::new(origin, actual_size).is_contained_within(hitbox))
5597 });
5598 origin_surrounding_menu.unwrap_or_else(|| {
5599 // fallback to existing above/below cursor logic
5600 // this might overlap menu or overflow in rare case
5601 if popover_bounds_above.is_contained_within(hitbox) {
5602 popover_bounds_above.origin
5603 } else {
5604 popover_bounds_below.origin
5605 }
5606 })
5607 };
5608
5609 window.defer_draw(element, final_origin, 2);
5610 }
5611
5612 fn paint_background(&self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
5613 window.paint_layer(layout.hitbox.bounds, |window| {
5614 let scroll_top = layout.position_map.snapshot.scroll_position().y;
5615 let gutter_bg = cx.theme().colors().editor_gutter_background;
5616 window.paint_quad(fill(layout.gutter_hitbox.bounds, gutter_bg));
5617 window.paint_quad(fill(
5618 layout.position_map.text_hitbox.bounds,
5619 self.style.background,
5620 ));
5621
5622 if matches!(
5623 layout.mode,
5624 EditorMode::Full { .. } | EditorMode::Minimap { .. }
5625 ) {
5626 let show_active_line_background = match layout.mode {
5627 EditorMode::Full {
5628 show_active_line_background,
5629 ..
5630 } => show_active_line_background,
5631 EditorMode::Minimap { .. } => true,
5632 _ => false,
5633 };
5634 let mut active_rows = layout.active_rows.iter().peekable();
5635 while let Some((start_row, contains_non_empty_selection)) = active_rows.next() {
5636 let mut end_row = start_row.0;
5637 while active_rows
5638 .peek()
5639 .is_some_and(|(active_row, has_selection)| {
5640 active_row.0 == end_row + 1
5641 && has_selection.selection == contains_non_empty_selection.selection
5642 })
5643 {
5644 active_rows.next().unwrap();
5645 end_row += 1;
5646 }
5647
5648 if show_active_line_background && !contains_non_empty_selection.selection {
5649 let highlight_h_range =
5650 match layout.position_map.snapshot.current_line_highlight {
5651 CurrentLineHighlight::Gutter => Some(Range {
5652 start: layout.hitbox.left(),
5653 end: layout.gutter_hitbox.right(),
5654 }),
5655 CurrentLineHighlight::Line => Some(Range {
5656 start: layout.position_map.text_hitbox.bounds.left(),
5657 end: layout.position_map.text_hitbox.bounds.right(),
5658 }),
5659 CurrentLineHighlight::All => Some(Range {
5660 start: layout.hitbox.left(),
5661 end: layout.hitbox.right(),
5662 }),
5663 CurrentLineHighlight::None => None,
5664 };
5665 if let Some(range) = highlight_h_range {
5666 let active_line_bg = cx.theme().colors().editor_active_line_background;
5667 let bounds = Bounds {
5668 origin: point(
5669 range.start,
5670 layout.hitbox.origin.y
5671 + Pixels::from(
5672 (start_row.as_f64() - scroll_top)
5673 * ScrollPixelOffset::from(
5674 layout.position_map.line_height,
5675 ),
5676 ),
5677 ),
5678 size: size(
5679 range.end - range.start,
5680 layout.position_map.line_height
5681 * (end_row - start_row.0 + 1) as f32,
5682 ),
5683 };
5684 window.paint_quad(fill(bounds, active_line_bg));
5685 }
5686 }
5687 }
5688
5689 let mut paint_highlight = |highlight_row_start: DisplayRow,
5690 highlight_row_end: DisplayRow,
5691 highlight: crate::LineHighlight,
5692 edges| {
5693 let mut origin_x = layout.hitbox.left();
5694 let mut width = layout.hitbox.size.width;
5695 if !highlight.include_gutter {
5696 origin_x += layout.gutter_hitbox.size.width;
5697 width -= layout.gutter_hitbox.size.width;
5698 }
5699
5700 let origin = point(
5701 origin_x,
5702 layout.hitbox.origin.y
5703 + Pixels::from(
5704 (highlight_row_start.as_f64() - scroll_top)
5705 * ScrollPixelOffset::from(layout.position_map.line_height),
5706 ),
5707 );
5708 let size = size(
5709 width,
5710 layout.position_map.line_height
5711 * highlight_row_end.next_row().minus(highlight_row_start) as f32,
5712 );
5713 let mut quad = fill(Bounds { origin, size }, highlight.background);
5714 if let Some(border_color) = highlight.border {
5715 quad.border_color = border_color;
5716 quad.border_widths = edges
5717 }
5718 window.paint_quad(quad);
5719 };
5720
5721 let mut current_paint: Option<(LineHighlight, Range<DisplayRow>, Edges<Pixels>)> =
5722 None;
5723 for (&new_row, &new_background) in &layout.highlighted_rows {
5724 match &mut current_paint {
5725 &mut Some((current_background, ref mut current_range, mut edges)) => {
5726 let new_range_started = current_background != new_background
5727 || current_range.end.next_row() != new_row;
5728 if new_range_started {
5729 if current_range.end.next_row() == new_row {
5730 edges.bottom = px(0.);
5731 };
5732 paint_highlight(
5733 current_range.start,
5734 current_range.end,
5735 current_background,
5736 edges,
5737 );
5738 let edges = Edges {
5739 top: if current_range.end.next_row() != new_row {
5740 px(1.)
5741 } else {
5742 px(0.)
5743 },
5744 bottom: px(1.),
5745 ..Default::default()
5746 };
5747 current_paint = Some((new_background, new_row..new_row, edges));
5748 continue;
5749 } else {
5750 current_range.end = current_range.end.next_row();
5751 }
5752 }
5753 None => {
5754 let edges = Edges {
5755 top: px(1.),
5756 bottom: px(1.),
5757 ..Default::default()
5758 };
5759 current_paint = Some((new_background, new_row..new_row, edges))
5760 }
5761 };
5762 }
5763 if let Some((color, range, edges)) = current_paint {
5764 paint_highlight(range.start, range.end, color, edges);
5765 }
5766
5767 for (guide_x, active) in layout.wrap_guides.iter() {
5768 let color = if *active {
5769 cx.theme().colors().editor_active_wrap_guide
5770 } else {
5771 cx.theme().colors().editor_wrap_guide
5772 };
5773 window.paint_quad(fill(
5774 Bounds {
5775 origin: point(*guide_x, layout.position_map.text_hitbox.origin.y),
5776 size: size(px(1.), layout.position_map.text_hitbox.size.height),
5777 },
5778 color,
5779 ));
5780 }
5781 }
5782 })
5783 }
5784
5785 fn paint_indent_guides(
5786 &mut self,
5787 layout: &mut EditorLayout,
5788 window: &mut Window,
5789 cx: &mut App,
5790 ) {
5791 let Some(indent_guides) = &layout.indent_guides else {
5792 return;
5793 };
5794
5795 let faded_color = |color: Hsla, alpha: f32| {
5796 let mut faded = color;
5797 faded.a = alpha;
5798 faded
5799 };
5800
5801 for indent_guide in indent_guides {
5802 let indent_accent_colors = cx.theme().accents().color_for_index(indent_guide.depth);
5803 let settings = &indent_guide.settings;
5804
5805 // TODO fixed for now, expose them through themes later
5806 const INDENT_AWARE_ALPHA: f32 = 0.2;
5807 const INDENT_AWARE_ACTIVE_ALPHA: f32 = 0.4;
5808 const INDENT_AWARE_BACKGROUND_ALPHA: f32 = 0.1;
5809 const INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA: f32 = 0.2;
5810
5811 let line_color = match (settings.coloring, indent_guide.active) {
5812 (IndentGuideColoring::Disabled, _) => None,
5813 (IndentGuideColoring::Fixed, false) => {
5814 Some(cx.theme().colors().editor_indent_guide)
5815 }
5816 (IndentGuideColoring::Fixed, true) => {
5817 Some(cx.theme().colors().editor_indent_guide_active)
5818 }
5819 (IndentGuideColoring::IndentAware, false) => {
5820 Some(faded_color(indent_accent_colors, INDENT_AWARE_ALPHA))
5821 }
5822 (IndentGuideColoring::IndentAware, true) => {
5823 Some(faded_color(indent_accent_colors, INDENT_AWARE_ACTIVE_ALPHA))
5824 }
5825 };
5826
5827 let background_color = match (settings.background_coloring, indent_guide.active) {
5828 (IndentGuideBackgroundColoring::Disabled, _) => None,
5829 (IndentGuideBackgroundColoring::IndentAware, false) => Some(faded_color(
5830 indent_accent_colors,
5831 INDENT_AWARE_BACKGROUND_ALPHA,
5832 )),
5833 (IndentGuideBackgroundColoring::IndentAware, true) => Some(faded_color(
5834 indent_accent_colors,
5835 INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA,
5836 )),
5837 };
5838
5839 let requested_line_width = if indent_guide.active {
5840 settings.active_line_width
5841 } else {
5842 settings.line_width
5843 }
5844 .clamp(1, 10);
5845 let mut line_indicator_width = 0.;
5846 if let Some(color) = line_color {
5847 window.paint_quad(fill(
5848 Bounds {
5849 origin: indent_guide.origin,
5850 size: size(px(requested_line_width as f32), indent_guide.length),
5851 },
5852 color,
5853 ));
5854 line_indicator_width = requested_line_width as f32;
5855 }
5856
5857 if let Some(color) = background_color {
5858 let width = indent_guide.single_indent_width - px(line_indicator_width);
5859 window.paint_quad(fill(
5860 Bounds {
5861 origin: point(
5862 indent_guide.origin.x + px(line_indicator_width),
5863 indent_guide.origin.y,
5864 ),
5865 size: size(width, indent_guide.length),
5866 },
5867 color,
5868 ));
5869 }
5870 }
5871 }
5872
5873 fn paint_line_numbers(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5874 let is_singleton = self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
5875
5876 let line_height = layout.position_map.line_height;
5877 window.set_cursor_style(CursorStyle::Arrow, &layout.gutter_hitbox);
5878
5879 for line_layout in layout.line_numbers.values() {
5880 for LineNumberSegment {
5881 shaped_line,
5882 hitbox,
5883 } in &line_layout.segments
5884 {
5885 let Some(hitbox) = hitbox else {
5886 continue;
5887 };
5888
5889 let Some(()) = (if !is_singleton && hitbox.is_hovered(window) {
5890 let color = cx.theme().colors().editor_hover_line_number;
5891
5892 let line = self.shape_line_number(shaped_line.text.clone(), color, window);
5893 line.paint(hitbox.origin, line_height, window, cx).log_err()
5894 } else {
5895 shaped_line
5896 .paint(hitbox.origin, line_height, window, cx)
5897 .log_err()
5898 }) else {
5899 continue;
5900 };
5901
5902 // In singleton buffers, we select corresponding lines on the line number click, so use | -like cursor.
5903 // In multi buffers, we open file at the line number clicked, so use a pointing hand cursor.
5904 if is_singleton {
5905 window.set_cursor_style(CursorStyle::IBeam, hitbox);
5906 } else {
5907 window.set_cursor_style(CursorStyle::PointingHand, hitbox);
5908 }
5909 }
5910 }
5911 }
5912
5913 fn paint_gutter_diff_hunks(layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5914 if layout.display_hunks.is_empty() {
5915 return;
5916 }
5917
5918 let line_height = layout.position_map.line_height;
5919 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5920 for (hunk, hitbox) in &layout.display_hunks {
5921 let hunk_to_paint = match hunk {
5922 DisplayDiffHunk::Folded { .. } => {
5923 let hunk_bounds = Self::diff_hunk_bounds(
5924 &layout.position_map.snapshot,
5925 line_height,
5926 layout.gutter_hitbox.bounds,
5927 hunk,
5928 );
5929 Some((
5930 hunk_bounds,
5931 cx.theme().colors().version_control_modified,
5932 Corners::all(px(0.)),
5933 DiffHunkStatus::modified_none(),
5934 ))
5935 }
5936 DisplayDiffHunk::Unfolded {
5937 status,
5938 display_row_range,
5939 ..
5940 } => hitbox.as_ref().map(|hunk_hitbox| match status.kind {
5941 DiffHunkStatusKind::Added => (
5942 hunk_hitbox.bounds,
5943 cx.theme().colors().version_control_added,
5944 Corners::all(px(0.)),
5945 *status,
5946 ),
5947 DiffHunkStatusKind::Modified => (
5948 hunk_hitbox.bounds,
5949 cx.theme().colors().version_control_modified,
5950 Corners::all(px(0.)),
5951 *status,
5952 ),
5953 DiffHunkStatusKind::Deleted if !display_row_range.is_empty() => (
5954 hunk_hitbox.bounds,
5955 cx.theme().colors().version_control_deleted,
5956 Corners::all(px(0.)),
5957 *status,
5958 ),
5959 DiffHunkStatusKind::Deleted => (
5960 Bounds::new(
5961 point(
5962 hunk_hitbox.origin.x - hunk_hitbox.size.width,
5963 hunk_hitbox.origin.y,
5964 ),
5965 size(hunk_hitbox.size.width * 2., hunk_hitbox.size.height),
5966 ),
5967 cx.theme().colors().version_control_deleted,
5968 Corners::all(1. * line_height),
5969 *status,
5970 ),
5971 }),
5972 };
5973
5974 if let Some((hunk_bounds, background_color, corner_radii, status)) = hunk_to_paint {
5975 // Flatten the background color with the editor color to prevent
5976 // elements below transparent hunks from showing through
5977 let flattened_background_color = cx
5978 .theme()
5979 .colors()
5980 .editor_background
5981 .blend(background_color);
5982
5983 if !Self::diff_hunk_hollow(status, cx) {
5984 window.paint_quad(quad(
5985 hunk_bounds,
5986 corner_radii,
5987 flattened_background_color,
5988 Edges::default(),
5989 transparent_black(),
5990 BorderStyle::default(),
5991 ));
5992 } else {
5993 let flattened_unstaged_background_color = cx
5994 .theme()
5995 .colors()
5996 .editor_background
5997 .blend(background_color.opacity(0.3));
5998
5999 window.paint_quad(quad(
6000 hunk_bounds,
6001 corner_radii,
6002 flattened_unstaged_background_color,
6003 Edges::all(px(1.0)),
6004 flattened_background_color,
6005 BorderStyle::Solid,
6006 ));
6007 }
6008 }
6009 }
6010 });
6011 }
6012
6013 fn gutter_strip_width(line_height: Pixels) -> Pixels {
6014 (0.275 * line_height).floor()
6015 }
6016
6017 fn diff_hunk_bounds(
6018 snapshot: &EditorSnapshot,
6019 line_height: Pixels,
6020 gutter_bounds: Bounds<Pixels>,
6021 hunk: &DisplayDiffHunk,
6022 ) -> Bounds<Pixels> {
6023 let scroll_position = snapshot.scroll_position();
6024 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
6025 let gutter_strip_width = Self::gutter_strip_width(line_height);
6026
6027 match hunk {
6028 DisplayDiffHunk::Folded { display_row, .. } => {
6029 let start_y = (display_row.as_f64() * ScrollPixelOffset::from(line_height)
6030 - scroll_top)
6031 .into();
6032 let end_y = start_y + line_height;
6033 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6034 let highlight_size = size(gutter_strip_width, end_y - start_y);
6035 Bounds::new(highlight_origin, highlight_size)
6036 }
6037 DisplayDiffHunk::Unfolded {
6038 display_row_range,
6039 status,
6040 ..
6041 } => {
6042 if status.is_deleted() && display_row_range.is_empty() {
6043 let row = display_row_range.start;
6044
6045 let offset = ScrollPixelOffset::from(line_height / 2.);
6046 let start_y =
6047 (row.as_f64() * ScrollPixelOffset::from(line_height) - offset - scroll_top)
6048 .into();
6049 let end_y = start_y + line_height;
6050
6051 let width = (0.35 * line_height).floor();
6052 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6053 let highlight_size = size(width, end_y - start_y);
6054 Bounds::new(highlight_origin, highlight_size)
6055 } else {
6056 let start_row = display_row_range.start;
6057 let end_row = display_row_range.end;
6058 // If we're in a multibuffer, row range span might include an
6059 // excerpt header, so if we were to draw the marker straight away,
6060 // the hunk might include the rows of that header.
6061 // Making the range inclusive doesn't quite cut it, as we rely on the exclusivity for the soft wrap.
6062 // Instead, we simply check whether the range we're dealing with includes
6063 // any excerpt headers and if so, we stop painting the diff hunk on the first row of that header.
6064 let end_row_in_current_excerpt = snapshot
6065 .blocks_in_range(start_row..end_row)
6066 .find_map(|(start_row, block)| {
6067 if matches!(
6068 block,
6069 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
6070 ) {
6071 Some(start_row)
6072 } else {
6073 None
6074 }
6075 })
6076 .unwrap_or(end_row);
6077
6078 let start_y = (start_row.as_f64() * ScrollPixelOffset::from(line_height)
6079 - scroll_top)
6080 .into();
6081 let end_y = Pixels::from(
6082 end_row_in_current_excerpt.as_f64() * ScrollPixelOffset::from(line_height)
6083 - scroll_top,
6084 );
6085
6086 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6087 let highlight_size = size(gutter_strip_width, end_y - start_y);
6088 Bounds::new(highlight_origin, highlight_size)
6089 }
6090 }
6091 }
6092 }
6093
6094 fn paint_gutter_indicators(
6095 &self,
6096 layout: &mut EditorLayout,
6097 window: &mut Window,
6098 cx: &mut App,
6099 ) {
6100 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6101 window.with_element_namespace("crease_toggles", |window| {
6102 for crease_toggle in layout.crease_toggles.iter_mut().flatten() {
6103 crease_toggle.paint(window, cx);
6104 }
6105 });
6106
6107 window.with_element_namespace("expand_toggles", |window| {
6108 for (expand_toggle, _) in layout.expand_toggles.iter_mut().flatten() {
6109 expand_toggle.paint(window, cx);
6110 }
6111 });
6112
6113 for breakpoint in layout.breakpoints.iter_mut() {
6114 breakpoint.paint(window, cx);
6115 }
6116
6117 for test_indicator in layout.test_indicators.iter_mut() {
6118 test_indicator.paint(window, cx);
6119 }
6120 });
6121 }
6122
6123 fn paint_gutter_highlights(
6124 &self,
6125 layout: &mut EditorLayout,
6126 window: &mut Window,
6127 cx: &mut App,
6128 ) {
6129 for (_, hunk_hitbox) in &layout.display_hunks {
6130 if let Some(hunk_hitbox) = hunk_hitbox
6131 && !self
6132 .editor
6133 .read(cx)
6134 .buffer()
6135 .read(cx)
6136 .all_diff_hunks_expanded()
6137 {
6138 window.set_cursor_style(CursorStyle::PointingHand, hunk_hitbox);
6139 }
6140 }
6141
6142 let show_git_gutter = layout
6143 .position_map
6144 .snapshot
6145 .show_git_diff_gutter
6146 .unwrap_or_else(|| {
6147 matches!(
6148 ProjectSettings::get_global(cx).git.git_gutter,
6149 GitGutterSetting::TrackedFiles
6150 )
6151 });
6152 if show_git_gutter {
6153 Self::paint_gutter_diff_hunks(layout, window, cx)
6154 }
6155
6156 let highlight_width = 0.275 * layout.position_map.line_height;
6157 let highlight_corner_radii = Corners::all(0.05 * layout.position_map.line_height);
6158 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6159 for (range, color) in &layout.highlighted_gutter_ranges {
6160 let start_row = if range.start.row() < layout.visible_display_row_range.start {
6161 layout.visible_display_row_range.start - DisplayRow(1)
6162 } else {
6163 range.start.row()
6164 };
6165 let end_row = if range.end.row() > layout.visible_display_row_range.end {
6166 layout.visible_display_row_range.end + DisplayRow(1)
6167 } else {
6168 range.end.row()
6169 };
6170
6171 let start_y = layout.gutter_hitbox.top()
6172 + Pixels::from(
6173 start_row.0 as f64
6174 * ScrollPixelOffset::from(layout.position_map.line_height)
6175 - layout.position_map.scroll_pixel_position.y,
6176 );
6177 let end_y = layout.gutter_hitbox.top()
6178 + Pixels::from(
6179 (end_row.0 + 1) as f64
6180 * ScrollPixelOffset::from(layout.position_map.line_height)
6181 - layout.position_map.scroll_pixel_position.y,
6182 );
6183 let bounds = Bounds::from_corners(
6184 point(layout.gutter_hitbox.left(), start_y),
6185 point(layout.gutter_hitbox.left() + highlight_width, end_y),
6186 );
6187 window.paint_quad(fill(bounds, *color).corner_radii(highlight_corner_radii));
6188 }
6189 });
6190 }
6191
6192 fn paint_blamed_display_rows(
6193 &self,
6194 layout: &mut EditorLayout,
6195 window: &mut Window,
6196 cx: &mut App,
6197 ) {
6198 let Some(blamed_display_rows) = layout.blamed_display_rows.take() else {
6199 return;
6200 };
6201
6202 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6203 for mut blame_element in blamed_display_rows.into_iter() {
6204 blame_element.paint(window, cx);
6205 }
6206 })
6207 }
6208
6209 fn paint_text(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6210 window.with_content_mask(
6211 Some(ContentMask {
6212 bounds: layout.position_map.text_hitbox.bounds,
6213 }),
6214 |window| {
6215 let editor = self.editor.read(cx);
6216 if editor.mouse_cursor_hidden {
6217 window.set_window_cursor_style(CursorStyle::None);
6218 } else if let SelectionDragState::ReadyToDrag {
6219 mouse_down_time, ..
6220 } = &editor.selection_drag_state
6221 {
6222 let drag_and_drop_delay = Duration::from_millis(
6223 EditorSettings::get_global(cx)
6224 .drag_and_drop_selection
6225 .delay
6226 .0,
6227 );
6228 if mouse_down_time.elapsed() >= drag_and_drop_delay {
6229 window.set_cursor_style(
6230 CursorStyle::DragCopy,
6231 &layout.position_map.text_hitbox,
6232 );
6233 }
6234 } else if matches!(
6235 editor.selection_drag_state,
6236 SelectionDragState::Dragging { .. }
6237 ) {
6238 window
6239 .set_cursor_style(CursorStyle::DragCopy, &layout.position_map.text_hitbox);
6240 } else if editor
6241 .hovered_link_state
6242 .as_ref()
6243 .is_some_and(|hovered_link_state| !hovered_link_state.links.is_empty())
6244 {
6245 window.set_cursor_style(
6246 CursorStyle::PointingHand,
6247 &layout.position_map.text_hitbox,
6248 );
6249 } else {
6250 window.set_cursor_style(CursorStyle::IBeam, &layout.position_map.text_hitbox);
6251 };
6252
6253 self.paint_lines_background(layout, window, cx);
6254 let invisible_display_ranges = self.paint_highlights(layout, window, cx);
6255 self.paint_document_colors(layout, window);
6256 self.paint_lines(&invisible_display_ranges, layout, window, cx);
6257 self.paint_redactions(layout, window);
6258 self.paint_cursors(layout, window, cx);
6259 self.paint_inline_diagnostics(layout, window, cx);
6260 self.paint_inline_blame(layout, window, cx);
6261 self.paint_inline_code_actions(layout, window, cx);
6262 self.paint_diff_hunk_controls(layout, window, cx);
6263 window.with_element_namespace("crease_trailers", |window| {
6264 for trailer in layout.crease_trailers.iter_mut().flatten() {
6265 trailer.element.paint(window, cx);
6266 }
6267 });
6268 },
6269 )
6270 }
6271
6272 fn paint_highlights(
6273 &mut self,
6274 layout: &mut EditorLayout,
6275 window: &mut Window,
6276 cx: &mut App,
6277 ) -> SmallVec<[Range<DisplayPoint>; 32]> {
6278 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6279 let mut invisible_display_ranges = SmallVec::<[Range<DisplayPoint>; 32]>::new();
6280 let line_end_overshoot = 0.15 * layout.position_map.line_height;
6281 for (range, color) in &layout.highlighted_ranges {
6282 self.paint_highlighted_range(
6283 range.clone(),
6284 true,
6285 *color,
6286 Pixels::ZERO,
6287 line_end_overshoot,
6288 layout,
6289 window,
6290 );
6291 }
6292
6293 let corner_radius = if EditorSettings::get_global(cx).rounded_selection {
6294 0.15 * layout.position_map.line_height
6295 } else {
6296 Pixels::ZERO
6297 };
6298
6299 for (player_color, selections) in &layout.selections {
6300 for selection in selections.iter() {
6301 self.paint_highlighted_range(
6302 selection.range.clone(),
6303 true,
6304 player_color.selection,
6305 corner_radius,
6306 corner_radius * 2.,
6307 layout,
6308 window,
6309 );
6310
6311 if selection.is_local && !selection.range.is_empty() {
6312 invisible_display_ranges.push(selection.range.clone());
6313 }
6314 }
6315 }
6316 invisible_display_ranges
6317 })
6318 }
6319
6320 fn paint_lines(
6321 &mut self,
6322 invisible_display_ranges: &[Range<DisplayPoint>],
6323 layout: &mut EditorLayout,
6324 window: &mut Window,
6325 cx: &mut App,
6326 ) {
6327 let whitespace_setting = self
6328 .editor
6329 .read(cx)
6330 .buffer
6331 .read(cx)
6332 .language_settings(cx)
6333 .show_whitespaces;
6334
6335 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6336 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6337 line_with_invisibles.draw(
6338 layout,
6339 row,
6340 layout.content_origin,
6341 whitespace_setting,
6342 invisible_display_ranges,
6343 window,
6344 cx,
6345 )
6346 }
6347
6348 for line_element in &mut layout.line_elements {
6349 line_element.paint(window, cx);
6350 }
6351 }
6352
6353 fn paint_lines_background(
6354 &mut self,
6355 layout: &mut EditorLayout,
6356 window: &mut Window,
6357 cx: &mut App,
6358 ) {
6359 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6360 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6361 line_with_invisibles.draw_background(layout, row, layout.content_origin, window, cx);
6362 }
6363 }
6364
6365 fn paint_redactions(&mut self, layout: &EditorLayout, window: &mut Window) {
6366 if layout.redacted_ranges.is_empty() {
6367 return;
6368 }
6369
6370 let line_end_overshoot = layout.line_end_overshoot();
6371
6372 // A softer than perfect black
6373 let redaction_color = gpui::rgb(0x0e1111);
6374
6375 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6376 for range in layout.redacted_ranges.iter() {
6377 self.paint_highlighted_range(
6378 range.clone(),
6379 true,
6380 redaction_color.into(),
6381 Pixels::ZERO,
6382 line_end_overshoot,
6383 layout,
6384 window,
6385 );
6386 }
6387 });
6388 }
6389
6390 fn paint_document_colors(&self, layout: &mut EditorLayout, window: &mut Window) {
6391 let Some((colors_render_mode, image_colors)) = &layout.document_colors else {
6392 return;
6393 };
6394 if image_colors.is_empty()
6395 || colors_render_mode == &DocumentColorsRenderMode::None
6396 || colors_render_mode == &DocumentColorsRenderMode::Inlay
6397 {
6398 return;
6399 }
6400
6401 let line_end_overshoot = layout.line_end_overshoot();
6402
6403 for (range, color) in image_colors {
6404 match colors_render_mode {
6405 DocumentColorsRenderMode::Inlay | DocumentColorsRenderMode::None => return,
6406 DocumentColorsRenderMode::Background => {
6407 self.paint_highlighted_range(
6408 range.clone(),
6409 true,
6410 *color,
6411 Pixels::ZERO,
6412 line_end_overshoot,
6413 layout,
6414 window,
6415 );
6416 }
6417 DocumentColorsRenderMode::Border => {
6418 self.paint_highlighted_range(
6419 range.clone(),
6420 false,
6421 *color,
6422 Pixels::ZERO,
6423 line_end_overshoot,
6424 layout,
6425 window,
6426 );
6427 }
6428 }
6429 }
6430 }
6431
6432 fn paint_cursors(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6433 for cursor in &mut layout.visible_cursors {
6434 cursor.paint(layout.content_origin, window, cx);
6435 }
6436 }
6437
6438 fn paint_scrollbars(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6439 let Some(scrollbars_layout) = layout.scrollbars_layout.take() else {
6440 return;
6441 };
6442 let any_scrollbar_dragged = self.editor.read(cx).scroll_manager.any_scrollbar_dragged();
6443
6444 for (scrollbar_layout, axis) in scrollbars_layout.iter_scrollbars() {
6445 let hitbox = &scrollbar_layout.hitbox;
6446 if scrollbars_layout.visible {
6447 let scrollbar_edges = match axis {
6448 ScrollbarAxis::Horizontal => Edges {
6449 top: Pixels::ZERO,
6450 right: Pixels::ZERO,
6451 bottom: Pixels::ZERO,
6452 left: Pixels::ZERO,
6453 },
6454 ScrollbarAxis::Vertical => Edges {
6455 top: Pixels::ZERO,
6456 right: Pixels::ZERO,
6457 bottom: Pixels::ZERO,
6458 left: ScrollbarLayout::BORDER_WIDTH,
6459 },
6460 };
6461
6462 window.paint_layer(hitbox.bounds, |window| {
6463 window.paint_quad(quad(
6464 hitbox.bounds,
6465 Corners::default(),
6466 cx.theme().colors().scrollbar_track_background,
6467 scrollbar_edges,
6468 cx.theme().colors().scrollbar_track_border,
6469 BorderStyle::Solid,
6470 ));
6471
6472 if axis == ScrollbarAxis::Vertical {
6473 let fast_markers =
6474 self.collect_fast_scrollbar_markers(layout, scrollbar_layout, cx);
6475 // Refresh slow scrollbar markers in the background. Below, we
6476 // paint whatever markers have already been computed.
6477 self.refresh_slow_scrollbar_markers(layout, scrollbar_layout, window, cx);
6478
6479 let markers = self.editor.read(cx).scrollbar_marker_state.markers.clone();
6480 for marker in markers.iter().chain(&fast_markers) {
6481 let mut marker = marker.clone();
6482 marker.bounds.origin += hitbox.origin;
6483 window.paint_quad(marker);
6484 }
6485 }
6486
6487 if let Some(thumb_bounds) = scrollbar_layout.thumb_bounds {
6488 let scrollbar_thumb_color = match scrollbar_layout.thumb_state {
6489 ScrollbarThumbState::Dragging => {
6490 cx.theme().colors().scrollbar_thumb_active_background
6491 }
6492 ScrollbarThumbState::Hovered => {
6493 cx.theme().colors().scrollbar_thumb_hover_background
6494 }
6495 ScrollbarThumbState::Idle => {
6496 cx.theme().colors().scrollbar_thumb_background
6497 }
6498 };
6499 window.paint_quad(quad(
6500 thumb_bounds,
6501 Corners::default(),
6502 scrollbar_thumb_color,
6503 scrollbar_edges,
6504 cx.theme().colors().scrollbar_thumb_border,
6505 BorderStyle::Solid,
6506 ));
6507
6508 if any_scrollbar_dragged {
6509 window.set_window_cursor_style(CursorStyle::Arrow);
6510 } else {
6511 window.set_cursor_style(CursorStyle::Arrow, hitbox);
6512 }
6513 }
6514 })
6515 }
6516 }
6517
6518 window.on_mouse_event({
6519 let editor = self.editor.clone();
6520 let scrollbars_layout = scrollbars_layout.clone();
6521
6522 let mut mouse_position = window.mouse_position();
6523 move |event: &MouseMoveEvent, phase, window, cx| {
6524 if phase == DispatchPhase::Capture {
6525 return;
6526 }
6527
6528 editor.update(cx, |editor, cx| {
6529 if let Some((scrollbar_layout, axis)) = event
6530 .pressed_button
6531 .filter(|button| *button == MouseButton::Left)
6532 .and(editor.scroll_manager.dragging_scrollbar_axis())
6533 .and_then(|axis| {
6534 scrollbars_layout
6535 .iter_scrollbars()
6536 .find(|(_, a)| *a == axis)
6537 })
6538 {
6539 let ScrollbarLayout {
6540 hitbox,
6541 text_unit_size,
6542 ..
6543 } = scrollbar_layout;
6544
6545 let old_position = mouse_position.along(axis);
6546 let new_position = event.position.along(axis);
6547 if (hitbox.origin.along(axis)..hitbox.bottom_right().along(axis))
6548 .contains(&old_position)
6549 {
6550 let position = editor.scroll_position(cx).apply_along(axis, |p| {
6551 (p + ScrollOffset::from(
6552 (new_position - old_position) / *text_unit_size,
6553 ))
6554 .max(0.)
6555 });
6556 editor.set_scroll_position(position, window, cx);
6557 }
6558
6559 editor.scroll_manager.show_scrollbars(window, cx);
6560 cx.stop_propagation();
6561 } else if let Some((layout, axis)) = scrollbars_layout
6562 .get_hovered_axis(window)
6563 .filter(|_| !event.dragging())
6564 {
6565 if layout.thumb_hovered(&event.position) {
6566 editor
6567 .scroll_manager
6568 .set_hovered_scroll_thumb_axis(axis, cx);
6569 } else {
6570 editor.scroll_manager.reset_scrollbar_state(cx);
6571 }
6572
6573 editor.scroll_manager.show_scrollbars(window, cx);
6574 } else {
6575 editor.scroll_manager.reset_scrollbar_state(cx);
6576 }
6577
6578 mouse_position = event.position;
6579 })
6580 }
6581 });
6582
6583 if any_scrollbar_dragged {
6584 window.on_mouse_event({
6585 let editor = self.editor.clone();
6586 move |_: &MouseUpEvent, phase, window, cx| {
6587 if phase == DispatchPhase::Capture {
6588 return;
6589 }
6590
6591 editor.update(cx, |editor, cx| {
6592 if let Some((_, axis)) = scrollbars_layout.get_hovered_axis(window) {
6593 editor
6594 .scroll_manager
6595 .set_hovered_scroll_thumb_axis(axis, cx);
6596 } else {
6597 editor.scroll_manager.reset_scrollbar_state(cx);
6598 }
6599 cx.stop_propagation();
6600 });
6601 }
6602 });
6603 } else {
6604 window.on_mouse_event({
6605 let editor = self.editor.clone();
6606
6607 move |event: &MouseDownEvent, phase, window, cx| {
6608 if phase == DispatchPhase::Capture {
6609 return;
6610 }
6611 let Some((scrollbar_layout, axis)) = scrollbars_layout.get_hovered_axis(window)
6612 else {
6613 return;
6614 };
6615
6616 let ScrollbarLayout {
6617 hitbox,
6618 visible_range,
6619 text_unit_size,
6620 thumb_bounds,
6621 ..
6622 } = scrollbar_layout;
6623
6624 let Some(thumb_bounds) = thumb_bounds else {
6625 return;
6626 };
6627
6628 editor.update(cx, |editor, cx| {
6629 editor
6630 .scroll_manager
6631 .set_dragged_scroll_thumb_axis(axis, cx);
6632
6633 let event_position = event.position.along(axis);
6634
6635 if event_position < thumb_bounds.origin.along(axis)
6636 || thumb_bounds.bottom_right().along(axis) < event_position
6637 {
6638 let center_position = ((event_position - hitbox.origin.along(axis))
6639 / *text_unit_size)
6640 .round() as u32;
6641 let start_position = center_position.saturating_sub(
6642 (visible_range.end - visible_range.start) as u32 / 2,
6643 );
6644
6645 let position = editor
6646 .scroll_position(cx)
6647 .apply_along(axis, |_| start_position as ScrollOffset);
6648
6649 editor.set_scroll_position(position, window, cx);
6650 } else {
6651 editor.scroll_manager.show_scrollbars(window, cx);
6652 }
6653
6654 cx.stop_propagation();
6655 });
6656 }
6657 });
6658 }
6659 }
6660
6661 fn collect_fast_scrollbar_markers(
6662 &self,
6663 layout: &EditorLayout,
6664 scrollbar_layout: &ScrollbarLayout,
6665 cx: &mut App,
6666 ) -> Vec<PaintQuad> {
6667 const LIMIT: usize = 100;
6668 if !EditorSettings::get_global(cx).scrollbar.cursors || layout.cursors.len() > LIMIT {
6669 return vec![];
6670 }
6671 let cursor_ranges = layout
6672 .cursors
6673 .iter()
6674 .map(|(point, color)| ColoredRange {
6675 start: point.row(),
6676 end: point.row(),
6677 color: *color,
6678 })
6679 .collect_vec();
6680 scrollbar_layout.marker_quads_for_ranges(cursor_ranges, None)
6681 }
6682
6683 fn refresh_slow_scrollbar_markers(
6684 &self,
6685 layout: &EditorLayout,
6686 scrollbar_layout: &ScrollbarLayout,
6687 window: &mut Window,
6688 cx: &mut App,
6689 ) {
6690 self.editor.update(cx, |editor, cx| {
6691 if editor.buffer_kind(cx) != ItemBufferKind::Singleton
6692 || !editor
6693 .scrollbar_marker_state
6694 .should_refresh(scrollbar_layout.hitbox.size)
6695 {
6696 return;
6697 }
6698
6699 let scrollbar_layout = scrollbar_layout.clone();
6700 let background_highlights = editor.background_highlights.clone();
6701 let snapshot = layout.position_map.snapshot.clone();
6702 let theme = cx.theme().clone();
6703 let scrollbar_settings = EditorSettings::get_global(cx).scrollbar;
6704
6705 editor.scrollbar_marker_state.dirty = false;
6706 editor.scrollbar_marker_state.pending_refresh =
6707 Some(cx.spawn_in(window, async move |editor, cx| {
6708 let scrollbar_size = scrollbar_layout.hitbox.size;
6709 let scrollbar_markers = cx
6710 .background_spawn(async move {
6711 let max_point = snapshot.display_snapshot.buffer_snapshot().max_point();
6712 let mut marker_quads = Vec::new();
6713 if scrollbar_settings.git_diff {
6714 let marker_row_ranges =
6715 snapshot.buffer_snapshot().diff_hunks().map(|hunk| {
6716 let start_display_row =
6717 MultiBufferPoint::new(hunk.row_range.start.0, 0)
6718 .to_display_point(&snapshot.display_snapshot)
6719 .row();
6720 let mut end_display_row =
6721 MultiBufferPoint::new(hunk.row_range.end.0, 0)
6722 .to_display_point(&snapshot.display_snapshot)
6723 .row();
6724 if end_display_row != start_display_row {
6725 end_display_row.0 -= 1;
6726 }
6727 let color = match &hunk.status().kind {
6728 DiffHunkStatusKind::Added => {
6729 theme.colors().version_control_added
6730 }
6731 DiffHunkStatusKind::Modified => {
6732 theme.colors().version_control_modified
6733 }
6734 DiffHunkStatusKind::Deleted => {
6735 theme.colors().version_control_deleted
6736 }
6737 };
6738 ColoredRange {
6739 start: start_display_row,
6740 end: end_display_row,
6741 color,
6742 }
6743 });
6744
6745 marker_quads.extend(
6746 scrollbar_layout
6747 .marker_quads_for_ranges(marker_row_ranges, Some(0)),
6748 );
6749 }
6750
6751 for (background_highlight_id, (_, background_ranges)) in
6752 background_highlights.iter()
6753 {
6754 let is_search_highlights = *background_highlight_id
6755 == HighlightKey::Type(TypeId::of::<BufferSearchHighlights>());
6756 let is_text_highlights = *background_highlight_id
6757 == HighlightKey::Type(TypeId::of::<SelectedTextHighlight>());
6758 let is_symbol_occurrences = *background_highlight_id
6759 == HighlightKey::Type(TypeId::of::<DocumentHighlightRead>())
6760 || *background_highlight_id
6761 == HighlightKey::Type(
6762 TypeId::of::<DocumentHighlightWrite>(),
6763 );
6764 if (is_search_highlights && scrollbar_settings.search_results)
6765 || (is_text_highlights && scrollbar_settings.selected_text)
6766 || (is_symbol_occurrences && scrollbar_settings.selected_symbol)
6767 {
6768 let mut color = theme.status().info;
6769 if is_symbol_occurrences {
6770 color.fade_out(0.5);
6771 }
6772 let marker_row_ranges = background_ranges.iter().map(|range| {
6773 let display_start = range
6774 .start
6775 .to_display_point(&snapshot.display_snapshot);
6776 let display_end =
6777 range.end.to_display_point(&snapshot.display_snapshot);
6778 ColoredRange {
6779 start: display_start.row(),
6780 end: display_end.row(),
6781 color,
6782 }
6783 });
6784 marker_quads.extend(
6785 scrollbar_layout
6786 .marker_quads_for_ranges(marker_row_ranges, Some(1)),
6787 );
6788 }
6789 }
6790
6791 if scrollbar_settings.diagnostics != ScrollbarDiagnostics::None {
6792 let diagnostics = snapshot
6793 .buffer_snapshot()
6794 .diagnostics_in_range::<Point>(Point::zero()..max_point)
6795 // Don't show diagnostics the user doesn't care about
6796 .filter(|diagnostic| {
6797 match (
6798 scrollbar_settings.diagnostics,
6799 diagnostic.diagnostic.severity,
6800 ) {
6801 (ScrollbarDiagnostics::All, _) => true,
6802 (
6803 ScrollbarDiagnostics::Error,
6804 lsp::DiagnosticSeverity::ERROR,
6805 ) => true,
6806 (
6807 ScrollbarDiagnostics::Warning,
6808 lsp::DiagnosticSeverity::ERROR
6809 | lsp::DiagnosticSeverity::WARNING,
6810 ) => true,
6811 (
6812 ScrollbarDiagnostics::Information,
6813 lsp::DiagnosticSeverity::ERROR
6814 | lsp::DiagnosticSeverity::WARNING
6815 | lsp::DiagnosticSeverity::INFORMATION,
6816 ) => true,
6817 (_, _) => false,
6818 }
6819 })
6820 // We want to sort by severity, in order to paint the most severe diagnostics last.
6821 .sorted_by_key(|diagnostic| {
6822 std::cmp::Reverse(diagnostic.diagnostic.severity)
6823 });
6824
6825 let marker_row_ranges = diagnostics.into_iter().map(|diagnostic| {
6826 let start_display = diagnostic
6827 .range
6828 .start
6829 .to_display_point(&snapshot.display_snapshot);
6830 let end_display = diagnostic
6831 .range
6832 .end
6833 .to_display_point(&snapshot.display_snapshot);
6834 let color = match diagnostic.diagnostic.severity {
6835 lsp::DiagnosticSeverity::ERROR => theme.status().error,
6836 lsp::DiagnosticSeverity::WARNING => theme.status().warning,
6837 lsp::DiagnosticSeverity::INFORMATION => theme.status().info,
6838 _ => theme.status().hint,
6839 };
6840 ColoredRange {
6841 start: start_display.row(),
6842 end: end_display.row(),
6843 color,
6844 }
6845 });
6846 marker_quads.extend(
6847 scrollbar_layout
6848 .marker_quads_for_ranges(marker_row_ranges, Some(2)),
6849 );
6850 }
6851
6852 Arc::from(marker_quads)
6853 })
6854 .await;
6855
6856 editor.update(cx, |editor, cx| {
6857 editor.scrollbar_marker_state.markers = scrollbar_markers;
6858 editor.scrollbar_marker_state.scrollbar_size = scrollbar_size;
6859 editor.scrollbar_marker_state.pending_refresh = None;
6860 cx.notify();
6861 })?;
6862
6863 Ok(())
6864 }));
6865 });
6866 }
6867
6868 fn paint_highlighted_range(
6869 &self,
6870 range: Range<DisplayPoint>,
6871 fill: bool,
6872 color: Hsla,
6873 corner_radius: Pixels,
6874 line_end_overshoot: Pixels,
6875 layout: &EditorLayout,
6876 window: &mut Window,
6877 ) {
6878 let start_row = layout.visible_display_row_range.start;
6879 let end_row = layout.visible_display_row_range.end;
6880 if range.start != range.end {
6881 let row_range = if range.end.column() == 0 {
6882 cmp::max(range.start.row(), start_row)..cmp::min(range.end.row(), end_row)
6883 } else {
6884 cmp::max(range.start.row(), start_row)
6885 ..cmp::min(range.end.row().next_row(), end_row)
6886 };
6887
6888 let highlighted_range = HighlightedRange {
6889 color,
6890 line_height: layout.position_map.line_height,
6891 corner_radius,
6892 start_y: layout.content_origin.y
6893 + Pixels::from(
6894 (row_range.start.as_f64() - layout.position_map.scroll_position.y)
6895 * ScrollOffset::from(layout.position_map.line_height),
6896 ),
6897 lines: row_range
6898 .iter_rows()
6899 .map(|row| {
6900 let line_layout =
6901 &layout.position_map.line_layouts[row.minus(start_row) as usize];
6902 HighlightedRangeLine {
6903 start_x: if row == range.start.row() {
6904 layout.content_origin.x
6905 + Pixels::from(
6906 ScrollPixelOffset::from(
6907 line_layout.x_for_index(range.start.column() as usize),
6908 ) - layout.position_map.scroll_pixel_position.x,
6909 )
6910 } else {
6911 layout.content_origin.x
6912 - Pixels::from(layout.position_map.scroll_pixel_position.x)
6913 },
6914 end_x: if row == range.end.row() {
6915 layout.content_origin.x
6916 + Pixels::from(
6917 ScrollPixelOffset::from(
6918 line_layout.x_for_index(range.end.column() as usize),
6919 ) - layout.position_map.scroll_pixel_position.x,
6920 )
6921 } else {
6922 Pixels::from(
6923 ScrollPixelOffset::from(
6924 layout.content_origin.x
6925 + line_layout.width
6926 + line_end_overshoot,
6927 ) - layout.position_map.scroll_pixel_position.x,
6928 )
6929 },
6930 }
6931 })
6932 .collect(),
6933 };
6934
6935 highlighted_range.paint(fill, layout.position_map.text_hitbox.bounds, window);
6936 }
6937 }
6938
6939 fn paint_inline_diagnostics(
6940 &mut self,
6941 layout: &mut EditorLayout,
6942 window: &mut Window,
6943 cx: &mut App,
6944 ) {
6945 for mut inline_diagnostic in layout.inline_diagnostics.drain() {
6946 inline_diagnostic.1.paint(window, cx);
6947 }
6948 }
6949
6950 fn paint_inline_blame(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6951 if let Some(mut blame_layout) = layout.inline_blame_layout.take() {
6952 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6953 blame_layout.element.paint(window, cx);
6954 })
6955 }
6956 }
6957
6958 fn paint_inline_code_actions(
6959 &mut self,
6960 layout: &mut EditorLayout,
6961 window: &mut Window,
6962 cx: &mut App,
6963 ) {
6964 if let Some(mut inline_code_actions) = layout.inline_code_actions.take() {
6965 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6966 inline_code_actions.paint(window, cx);
6967 })
6968 }
6969 }
6970
6971 fn paint_diff_hunk_controls(
6972 &mut self,
6973 layout: &mut EditorLayout,
6974 window: &mut Window,
6975 cx: &mut App,
6976 ) {
6977 for mut diff_hunk_control in layout.diff_hunk_controls.drain(..) {
6978 diff_hunk_control.paint(window, cx);
6979 }
6980 }
6981
6982 fn paint_minimap(&self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6983 if let Some(mut layout) = layout.minimap.take() {
6984 let minimap_hitbox = layout.thumb_layout.hitbox.clone();
6985 let dragging_minimap = self.editor.read(cx).scroll_manager.is_dragging_minimap();
6986
6987 window.paint_layer(layout.thumb_layout.hitbox.bounds, |window| {
6988 window.with_element_namespace("minimap", |window| {
6989 layout.minimap.paint(window, cx);
6990 if let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds {
6991 let minimap_thumb_color = match layout.thumb_layout.thumb_state {
6992 ScrollbarThumbState::Idle => {
6993 cx.theme().colors().minimap_thumb_background
6994 }
6995 ScrollbarThumbState::Hovered => {
6996 cx.theme().colors().minimap_thumb_hover_background
6997 }
6998 ScrollbarThumbState::Dragging => {
6999 cx.theme().colors().minimap_thumb_active_background
7000 }
7001 };
7002 let minimap_thumb_border = match layout.thumb_border_style {
7003 MinimapThumbBorder::Full => Edges::all(ScrollbarLayout::BORDER_WIDTH),
7004 MinimapThumbBorder::LeftOnly => Edges {
7005 left: ScrollbarLayout::BORDER_WIDTH,
7006 ..Default::default()
7007 },
7008 MinimapThumbBorder::LeftOpen => Edges {
7009 right: ScrollbarLayout::BORDER_WIDTH,
7010 top: ScrollbarLayout::BORDER_WIDTH,
7011 bottom: ScrollbarLayout::BORDER_WIDTH,
7012 ..Default::default()
7013 },
7014 MinimapThumbBorder::RightOpen => Edges {
7015 left: ScrollbarLayout::BORDER_WIDTH,
7016 top: ScrollbarLayout::BORDER_WIDTH,
7017 bottom: ScrollbarLayout::BORDER_WIDTH,
7018 ..Default::default()
7019 },
7020 MinimapThumbBorder::None => Default::default(),
7021 };
7022
7023 window.paint_layer(minimap_hitbox.bounds, |window| {
7024 window.paint_quad(quad(
7025 thumb_bounds,
7026 Corners::default(),
7027 minimap_thumb_color,
7028 minimap_thumb_border,
7029 cx.theme().colors().minimap_thumb_border,
7030 BorderStyle::Solid,
7031 ));
7032 });
7033 }
7034 });
7035 });
7036
7037 if dragging_minimap {
7038 window.set_window_cursor_style(CursorStyle::Arrow);
7039 } else {
7040 window.set_cursor_style(CursorStyle::Arrow, &minimap_hitbox);
7041 }
7042
7043 let minimap_axis = ScrollbarAxis::Vertical;
7044 let pixels_per_line = Pixels::from(
7045 ScrollPixelOffset::from(minimap_hitbox.size.height) / layout.max_scroll_top,
7046 )
7047 .min(layout.minimap_line_height);
7048
7049 let mut mouse_position = window.mouse_position();
7050
7051 window.on_mouse_event({
7052 let editor = self.editor.clone();
7053
7054 let minimap_hitbox = minimap_hitbox.clone();
7055
7056 move |event: &MouseMoveEvent, phase, window, cx| {
7057 if phase == DispatchPhase::Capture {
7058 return;
7059 }
7060
7061 editor.update(cx, |editor, cx| {
7062 if event.pressed_button == Some(MouseButton::Left)
7063 && editor.scroll_manager.is_dragging_minimap()
7064 {
7065 let old_position = mouse_position.along(minimap_axis);
7066 let new_position = event.position.along(minimap_axis);
7067 if (minimap_hitbox.origin.along(minimap_axis)
7068 ..minimap_hitbox.bottom_right().along(minimap_axis))
7069 .contains(&old_position)
7070 {
7071 let position =
7072 editor.scroll_position(cx).apply_along(minimap_axis, |p| {
7073 (p + ScrollPixelOffset::from(
7074 (new_position - old_position) / pixels_per_line,
7075 ))
7076 .max(0.)
7077 });
7078
7079 editor.set_scroll_position(position, window, cx);
7080 }
7081 cx.stop_propagation();
7082 } else if minimap_hitbox.is_hovered(window) {
7083 editor.scroll_manager.set_is_hovering_minimap_thumb(
7084 !event.dragging()
7085 && layout
7086 .thumb_layout
7087 .thumb_bounds
7088 .is_some_and(|bounds| bounds.contains(&event.position)),
7089 cx,
7090 );
7091
7092 // Stop hover events from propagating to the
7093 // underlying editor if the minimap hitbox is hovered
7094 if !event.dragging() {
7095 cx.stop_propagation();
7096 }
7097 } else {
7098 editor.scroll_manager.hide_minimap_thumb(cx);
7099 }
7100 mouse_position = event.position;
7101 });
7102 }
7103 });
7104
7105 if dragging_minimap {
7106 window.on_mouse_event({
7107 let editor = self.editor.clone();
7108 move |event: &MouseUpEvent, phase, window, cx| {
7109 if phase == DispatchPhase::Capture {
7110 return;
7111 }
7112
7113 editor.update(cx, |editor, cx| {
7114 if minimap_hitbox.is_hovered(window) {
7115 editor.scroll_manager.set_is_hovering_minimap_thumb(
7116 layout
7117 .thumb_layout
7118 .thumb_bounds
7119 .is_some_and(|bounds| bounds.contains(&event.position)),
7120 cx,
7121 );
7122 } else {
7123 editor.scroll_manager.hide_minimap_thumb(cx);
7124 }
7125 cx.stop_propagation();
7126 });
7127 }
7128 });
7129 } else {
7130 window.on_mouse_event({
7131 let editor = self.editor.clone();
7132
7133 move |event: &MouseDownEvent, phase, window, cx| {
7134 if phase == DispatchPhase::Capture || !minimap_hitbox.is_hovered(window) {
7135 return;
7136 }
7137
7138 let event_position = event.position;
7139
7140 let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds else {
7141 return;
7142 };
7143
7144 editor.update(cx, |editor, cx| {
7145 if !thumb_bounds.contains(&event_position) {
7146 let click_position =
7147 event_position.relative_to(&minimap_hitbox.origin).y;
7148
7149 let top_position = (click_position
7150 - thumb_bounds.size.along(minimap_axis) / 2.0)
7151 .max(Pixels::ZERO);
7152
7153 let scroll_offset = (layout.minimap_scroll_top
7154 + ScrollPixelOffset::from(
7155 top_position / layout.minimap_line_height,
7156 ))
7157 .min(layout.max_scroll_top);
7158
7159 let scroll_position = editor
7160 .scroll_position(cx)
7161 .apply_along(minimap_axis, |_| scroll_offset);
7162 editor.set_scroll_position(scroll_position, window, cx);
7163 }
7164
7165 editor.scroll_manager.set_is_dragging_minimap(cx);
7166 cx.stop_propagation();
7167 });
7168 }
7169 });
7170 }
7171 }
7172 }
7173
7174 fn paint_blocks(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
7175 for mut block in layout.blocks.drain(..) {
7176 if block.overlaps_gutter {
7177 block.element.paint(window, cx);
7178 } else {
7179 let mut bounds = layout.hitbox.bounds;
7180 bounds.origin.x += layout.gutter_hitbox.bounds.size.width;
7181 window.with_content_mask(Some(ContentMask { bounds }), |window| {
7182 block.element.paint(window, cx);
7183 })
7184 }
7185 }
7186 }
7187
7188 fn paint_edit_prediction_popover(
7189 &mut self,
7190 layout: &mut EditorLayout,
7191 window: &mut Window,
7192 cx: &mut App,
7193 ) {
7194 if let Some(edit_prediction_popover) = layout.edit_prediction_popover.as_mut() {
7195 edit_prediction_popover.paint(window, cx);
7196 }
7197 }
7198
7199 fn paint_mouse_context_menu(
7200 &mut self,
7201 layout: &mut EditorLayout,
7202 window: &mut Window,
7203 cx: &mut App,
7204 ) {
7205 if let Some(mouse_context_menu) = layout.mouse_context_menu.as_mut() {
7206 mouse_context_menu.paint(window, cx);
7207 }
7208 }
7209
7210 fn paint_scroll_wheel_listener(
7211 &mut self,
7212 layout: &EditorLayout,
7213 window: &mut Window,
7214 cx: &mut App,
7215 ) {
7216 window.on_mouse_event({
7217 let position_map = layout.position_map.clone();
7218 let editor = self.editor.clone();
7219 let hitbox = layout.hitbox.clone();
7220 let mut delta = ScrollDelta::default();
7221
7222 // Set a minimum scroll_sensitivity of 0.01 to make sure the user doesn't
7223 // accidentally turn off their scrolling.
7224 let base_scroll_sensitivity =
7225 EditorSettings::get_global(cx).scroll_sensitivity.max(0.01);
7226
7227 // Use a minimum fast_scroll_sensitivity for same reason above
7228 let fast_scroll_sensitivity = EditorSettings::get_global(cx)
7229 .fast_scroll_sensitivity
7230 .max(0.01);
7231
7232 move |event: &ScrollWheelEvent, phase, window, cx| {
7233 let scroll_sensitivity = {
7234 if event.modifiers.alt {
7235 fast_scroll_sensitivity
7236 } else {
7237 base_scroll_sensitivity
7238 }
7239 };
7240
7241 if phase == DispatchPhase::Bubble && hitbox.should_handle_scroll(window) {
7242 delta = delta.coalesce(event.delta);
7243 editor.update(cx, |editor, cx| {
7244 let position_map: &PositionMap = &position_map;
7245
7246 let line_height = position_map.line_height;
7247 let max_glyph_advance = position_map.em_advance;
7248 let (delta, axis) = match delta {
7249 gpui::ScrollDelta::Pixels(mut pixels) => {
7250 //Trackpad
7251 let axis = position_map.snapshot.ongoing_scroll.filter(&mut pixels);
7252 (pixels, axis)
7253 }
7254
7255 gpui::ScrollDelta::Lines(lines) => {
7256 //Not trackpad
7257 let pixels =
7258 point(lines.x * max_glyph_advance, lines.y * line_height);
7259 (pixels, None)
7260 }
7261 };
7262
7263 let current_scroll_position = position_map.snapshot.scroll_position();
7264 let x = (current_scroll_position.x
7265 * ScrollPixelOffset::from(max_glyph_advance)
7266 - ScrollPixelOffset::from(delta.x * scroll_sensitivity))
7267 / ScrollPixelOffset::from(max_glyph_advance);
7268
7269 let scale_factor = window.scale_factor();
7270 let y = (current_scroll_position.y
7271 * ScrollPixelOffset::from(line_height)
7272 * ScrollPixelOffset::from(scale_factor)
7273 - ScrollPixelOffset::from(delta.y * scroll_sensitivity))
7274 .round()
7275 / ScrollPixelOffset::from(line_height)
7276 / ScrollPixelOffset::from(scale_factor);
7277
7278 let mut scroll_position =
7279 point(x, y).clamp(&point(0., 0.), &position_map.scroll_max);
7280 let forbid_vertical_scroll = editor.scroll_manager.forbid_vertical_scroll();
7281 if forbid_vertical_scroll {
7282 scroll_position.y = current_scroll_position.y;
7283 }
7284
7285 if scroll_position != current_scroll_position {
7286 editor.scroll(scroll_position, axis, window, cx);
7287 cx.stop_propagation();
7288 } else if y < 0. {
7289 // Due to clamping, we may fail to detect cases of overscroll to the top;
7290 // We want the scroll manager to get an update in such cases and detect the change of direction
7291 // on the next frame.
7292 cx.notify();
7293 }
7294 });
7295 }
7296 }
7297 });
7298 }
7299
7300 fn paint_mouse_listeners(&mut self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
7301 if layout.mode.is_minimap() {
7302 return;
7303 }
7304
7305 self.paint_scroll_wheel_listener(layout, window, cx);
7306
7307 window.on_mouse_event({
7308 let position_map = layout.position_map.clone();
7309 let editor = self.editor.clone();
7310 let line_numbers = layout.line_numbers.clone();
7311
7312 move |event: &MouseDownEvent, phase, window, cx| {
7313 if phase == DispatchPhase::Bubble {
7314 match event.button {
7315 MouseButton::Left => editor.update(cx, |editor, cx| {
7316 let pending_mouse_down = editor
7317 .pending_mouse_down
7318 .get_or_insert_with(Default::default)
7319 .clone();
7320
7321 *pending_mouse_down.borrow_mut() = Some(event.clone());
7322
7323 Self::mouse_left_down(
7324 editor,
7325 event,
7326 &position_map,
7327 line_numbers.as_ref(),
7328 window,
7329 cx,
7330 );
7331 }),
7332 MouseButton::Right => editor.update(cx, |editor, cx| {
7333 Self::mouse_right_down(editor, event, &position_map, window, cx);
7334 }),
7335 MouseButton::Middle => editor.update(cx, |editor, cx| {
7336 Self::mouse_middle_down(editor, event, &position_map, window, cx);
7337 }),
7338 _ => {}
7339 };
7340 }
7341 }
7342 });
7343
7344 window.on_mouse_event({
7345 let editor = self.editor.clone();
7346 let position_map = layout.position_map.clone();
7347
7348 move |event: &MouseUpEvent, phase, window, cx| {
7349 if phase == DispatchPhase::Bubble {
7350 editor.update(cx, |editor, cx| {
7351 Self::mouse_up(editor, event, &position_map, window, cx)
7352 });
7353 }
7354 }
7355 });
7356
7357 window.on_mouse_event({
7358 let editor = self.editor.clone();
7359 let position_map = layout.position_map.clone();
7360 let mut captured_mouse_down = None;
7361
7362 move |event: &MouseUpEvent, phase, window, cx| match phase {
7363 // Clear the pending mouse down during the capture phase,
7364 // so that it happens even if another event handler stops
7365 // propagation.
7366 DispatchPhase::Capture => editor.update(cx, |editor, _cx| {
7367 let pending_mouse_down = editor
7368 .pending_mouse_down
7369 .get_or_insert_with(Default::default)
7370 .clone();
7371
7372 let mut pending_mouse_down = pending_mouse_down.borrow_mut();
7373 if pending_mouse_down.is_some() && position_map.text_hitbox.is_hovered(window) {
7374 captured_mouse_down = pending_mouse_down.take();
7375 window.refresh();
7376 }
7377 }),
7378 // Fire click handlers during the bubble phase.
7379 DispatchPhase::Bubble => editor.update(cx, |editor, cx| {
7380 if let Some(mouse_down) = captured_mouse_down.take() {
7381 let event = ClickEvent::Mouse(MouseClickEvent {
7382 down: mouse_down,
7383 up: event.clone(),
7384 });
7385 Self::click(editor, &event, &position_map, window, cx);
7386 }
7387 }),
7388 }
7389 });
7390
7391 window.on_mouse_event({
7392 let position_map = layout.position_map.clone();
7393 let editor = self.editor.clone();
7394
7395 move |event: &MouseMoveEvent, phase, window, cx| {
7396 if phase == DispatchPhase::Bubble {
7397 editor.update(cx, |editor, cx| {
7398 if editor.hover_state.focused(window, cx) {
7399 return;
7400 }
7401 if event.pressed_button == Some(MouseButton::Left)
7402 || event.pressed_button == Some(MouseButton::Middle)
7403 {
7404 Self::mouse_dragged(editor, event, &position_map, window, cx)
7405 }
7406
7407 Self::mouse_moved(editor, event, &position_map, window, cx)
7408 });
7409 }
7410 }
7411 });
7412 }
7413
7414 fn column_pixels(&self, column: usize, window: &Window) -> Pixels {
7415 let style = &self.style;
7416 let font_size = style.text.font_size.to_pixels(window.rem_size());
7417 let layout = window.text_system().shape_line(
7418 SharedString::from(" ".repeat(column)),
7419 font_size,
7420 &[TextRun {
7421 len: column,
7422 font: style.text.font(),
7423 color: Hsla::default(),
7424 background_color: None,
7425 underline: None,
7426 strikethrough: None,
7427 }],
7428 None,
7429 );
7430
7431 layout.width
7432 }
7433
7434 fn max_line_number_width(&self, snapshot: &EditorSnapshot, window: &mut Window) -> Pixels {
7435 let digit_count = snapshot.widest_line_number().ilog10() + 1;
7436 self.column_pixels(digit_count as usize, window)
7437 }
7438
7439 fn shape_line_number(
7440 &self,
7441 text: SharedString,
7442 color: Hsla,
7443 window: &mut Window,
7444 ) -> ShapedLine {
7445 let run = TextRun {
7446 len: text.len(),
7447 font: self.style.text.font(),
7448 color,
7449 background_color: None,
7450 underline: None,
7451 strikethrough: None,
7452 };
7453 window.text_system().shape_line(
7454 text,
7455 self.style.text.font_size.to_pixels(window.rem_size()),
7456 &[run],
7457 None,
7458 )
7459 }
7460
7461 fn diff_hunk_hollow(status: DiffHunkStatus, cx: &mut App) -> bool {
7462 let unstaged = status.has_secondary_hunk();
7463 let unstaged_hollow = matches!(
7464 ProjectSettings::get_global(cx).git.hunk_style,
7465 GitHunkStyleSetting::UnstagedHollow
7466 );
7467
7468 unstaged == unstaged_hollow
7469 }
7470
7471 #[cfg(debug_assertions)]
7472 fn layout_debug_ranges(
7473 selections: &mut Vec<(PlayerColor, Vec<SelectionLayout>)>,
7474 anchor_range: Range<Anchor>,
7475 display_snapshot: &DisplaySnapshot,
7476 cx: &App,
7477 ) {
7478 let theme = cx.theme();
7479 text::debug::GlobalDebugRanges::with_locked(|debug_ranges| {
7480 if debug_ranges.ranges.is_empty() {
7481 return;
7482 }
7483 let buffer_snapshot = &display_snapshot.buffer_snapshot();
7484 for (buffer, buffer_range, excerpt_id) in
7485 buffer_snapshot.range_to_buffer_ranges(anchor_range)
7486 {
7487 let buffer_range =
7488 buffer.anchor_after(buffer_range.start)..buffer.anchor_before(buffer_range.end);
7489 selections.extend(debug_ranges.ranges.iter().flat_map(|debug_range| {
7490 let player_color = theme
7491 .players()
7492 .color_for_participant(debug_range.occurrence_index as u32 + 1);
7493 debug_range.ranges.iter().filter_map(move |range| {
7494 if range.start.buffer_id != Some(buffer.remote_id()) {
7495 return None;
7496 }
7497 let clipped_start = range.start.max(&buffer_range.start, buffer);
7498 let clipped_end = range.end.min(&buffer_range.end, buffer);
7499 let range = buffer_snapshot
7500 .anchor_range_in_excerpt(excerpt_id, *clipped_start..*clipped_end)?;
7501 let start = range.start.to_display_point(display_snapshot);
7502 let end = range.end.to_display_point(display_snapshot);
7503 let selection_layout = SelectionLayout {
7504 head: start,
7505 range: start..end,
7506 cursor_shape: CursorShape::Bar,
7507 is_newest: false,
7508 is_local: false,
7509 active_rows: start.row()..end.row(),
7510 user_name: Some(SharedString::new(debug_range.value.clone())),
7511 };
7512 Some((player_color, vec![selection_layout]))
7513 })
7514 }));
7515 }
7516 });
7517 }
7518}
7519
7520fn header_jump_data(
7521 snapshot: &EditorSnapshot,
7522 block_row_start: DisplayRow,
7523 height: u32,
7524 for_excerpt: &ExcerptInfo,
7525) -> JumpData {
7526 let range = &for_excerpt.range;
7527 let buffer = &for_excerpt.buffer;
7528 let jump_anchor = range.primary.start;
7529
7530 let excerpt_start = range.context.start;
7531 let jump_position = language::ToPoint::to_point(&jump_anchor, buffer);
7532 let rows_from_excerpt_start = if jump_anchor == excerpt_start {
7533 0
7534 } else {
7535 let excerpt_start_point = language::ToPoint::to_point(&excerpt_start, buffer);
7536 jump_position.row.saturating_sub(excerpt_start_point.row)
7537 };
7538
7539 let line_offset_from_top = (block_row_start.0 + height + rows_from_excerpt_start)
7540 .saturating_sub(
7541 snapshot
7542 .scroll_anchor
7543 .scroll_position(&snapshot.display_snapshot)
7544 .y as u32,
7545 );
7546
7547 JumpData::MultiBufferPoint {
7548 excerpt_id: for_excerpt.id,
7549 anchor: jump_anchor,
7550 position: jump_position,
7551 line_offset_from_top,
7552 }
7553}
7554
7555pub struct AcceptEditPredictionBinding(pub(crate) Option<gpui::KeyBinding>);
7556
7557impl AcceptEditPredictionBinding {
7558 pub fn keystroke(&self) -> Option<&KeybindingKeystroke> {
7559 if let Some(binding) = self.0.as_ref() {
7560 match &binding.keystrokes() {
7561 [keystroke, ..] => Some(keystroke),
7562 _ => None,
7563 }
7564 } else {
7565 None
7566 }
7567 }
7568}
7569
7570fn prepaint_gutter_button(
7571 button: IconButton,
7572 row: DisplayRow,
7573 line_height: Pixels,
7574 gutter_dimensions: &GutterDimensions,
7575 scroll_position: gpui::Point<ScrollOffset>,
7576 gutter_hitbox: &Hitbox,
7577 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
7578 window: &mut Window,
7579 cx: &mut App,
7580) -> AnyElement {
7581 let mut button = button.into_any_element();
7582
7583 let available_space = size(
7584 AvailableSpace::MinContent,
7585 AvailableSpace::Definite(line_height),
7586 );
7587 let indicator_size = button.layout_as_root(available_space, window, cx);
7588
7589 let blame_width = gutter_dimensions.git_blame_entries_width;
7590 let gutter_width = display_hunks
7591 .binary_search_by(|(hunk, _)| match hunk {
7592 DisplayDiffHunk::Folded { display_row } => display_row.cmp(&row),
7593 DisplayDiffHunk::Unfolded {
7594 display_row_range, ..
7595 } => {
7596 if display_row_range.end <= row {
7597 Ordering::Less
7598 } else if display_row_range.start > row {
7599 Ordering::Greater
7600 } else {
7601 Ordering::Equal
7602 }
7603 }
7604 })
7605 .ok()
7606 .and_then(|ix| Some(display_hunks[ix].1.as_ref()?.size.width));
7607 let left_offset = blame_width.max(gutter_width).unwrap_or_default();
7608
7609 let mut x = left_offset;
7610 let available_width = gutter_dimensions.margin + gutter_dimensions.left_padding
7611 - indicator_size.width
7612 - left_offset;
7613 x += available_width / 2.;
7614
7615 let mut y =
7616 Pixels::from((row.as_f64() - scroll_position.y) * ScrollPixelOffset::from(line_height));
7617 y += (line_height - indicator_size.height) / 2.;
7618
7619 button.prepaint_as_root(
7620 gutter_hitbox.origin + point(x, y),
7621 available_space,
7622 window,
7623 cx,
7624 );
7625 button
7626}
7627
7628fn render_inline_blame_entry(
7629 blame_entry: BlameEntry,
7630 style: &EditorStyle,
7631 cx: &mut App,
7632) -> Option<AnyElement> {
7633 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7634 renderer.render_inline_blame_entry(&style.text, blame_entry, cx)
7635}
7636
7637fn render_blame_entry_popover(
7638 blame_entry: BlameEntry,
7639 scroll_handle: ScrollHandle,
7640 commit_message: Option<ParsedCommitMessage>,
7641 markdown: Entity<Markdown>,
7642 workspace: WeakEntity<Workspace>,
7643 blame: &Entity<GitBlame>,
7644 buffer: BufferId,
7645 window: &mut Window,
7646 cx: &mut App,
7647) -> Option<AnyElement> {
7648 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7649 let blame = blame.read(cx);
7650 let repository = blame.repository(cx, buffer)?;
7651 renderer.render_blame_entry_popover(
7652 blame_entry,
7653 scroll_handle,
7654 commit_message,
7655 markdown,
7656 repository,
7657 workspace,
7658 window,
7659 cx,
7660 )
7661}
7662
7663fn render_blame_entry(
7664 ix: usize,
7665 blame: &Entity<GitBlame>,
7666 blame_entry: BlameEntry,
7667 style: &EditorStyle,
7668 last_used_color: &mut Option<(Hsla, Oid)>,
7669 editor: Entity<Editor>,
7670 workspace: Entity<Workspace>,
7671 buffer: BufferId,
7672 renderer: &dyn BlameRenderer,
7673 window: &mut Window,
7674 cx: &mut App,
7675) -> Option<AnyElement> {
7676 let index: u32 = blame_entry.sha.into();
7677 let mut sha_color = cx.theme().players().color_for_participant(index).cursor;
7678
7679 // If the last color we used is the same as the one we get for this line, but
7680 // the commit SHAs are different, then we try again to get a different color.
7681 if let Some((color, sha)) = *last_used_color
7682 && sha != blame_entry.sha
7683 && color == sha_color
7684 {
7685 sha_color = cx.theme().players().color_for_participant(index + 1).cursor;
7686 }
7687 last_used_color.replace((sha_color, blame_entry.sha));
7688
7689 let blame = blame.read(cx);
7690 let details = blame.details_for_entry(buffer, &blame_entry);
7691 let repository = blame.repository(cx, buffer)?;
7692 renderer.render_blame_entry(
7693 &style.text,
7694 blame_entry,
7695 details,
7696 repository,
7697 workspace.downgrade(),
7698 editor,
7699 ix,
7700 sha_color,
7701 window,
7702 cx,
7703 )
7704}
7705
7706#[derive(Debug)]
7707pub(crate) struct LineWithInvisibles {
7708 fragments: SmallVec<[LineFragment; 1]>,
7709 invisibles: Vec<Invisible>,
7710 len: usize,
7711 pub(crate) width: Pixels,
7712 font_size: Pixels,
7713}
7714
7715enum LineFragment {
7716 Text(ShapedLine),
7717 Element {
7718 id: ChunkRendererId,
7719 element: Option<AnyElement>,
7720 size: Size<Pixels>,
7721 len: usize,
7722 },
7723}
7724
7725impl fmt::Debug for LineFragment {
7726 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
7727 match self {
7728 LineFragment::Text(shaped_line) => f.debug_tuple("Text").field(shaped_line).finish(),
7729 LineFragment::Element { size, len, .. } => f
7730 .debug_struct("Element")
7731 .field("size", size)
7732 .field("len", len)
7733 .finish(),
7734 }
7735 }
7736}
7737
7738impl LineWithInvisibles {
7739 fn from_chunks<'a>(
7740 chunks: impl Iterator<Item = HighlightedChunk<'a>>,
7741 editor_style: &EditorStyle,
7742 max_line_len: usize,
7743 max_line_count: usize,
7744 editor_mode: &EditorMode,
7745 text_width: Pixels,
7746 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
7747 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
7748 window: &mut Window,
7749 cx: &mut App,
7750 ) -> Vec<Self> {
7751 let text_style = &editor_style.text;
7752 let mut layouts = Vec::with_capacity(max_line_count);
7753 let mut fragments: SmallVec<[LineFragment; 1]> = SmallVec::new();
7754 let mut line = String::new();
7755 let mut invisibles = Vec::new();
7756 let mut width = Pixels::ZERO;
7757 let mut len = 0;
7758 let mut styles = Vec::new();
7759 let mut non_whitespace_added = false;
7760 let mut row = 0;
7761 let mut line_exceeded_max_len = false;
7762 let font_size = text_style.font_size.to_pixels(window.rem_size());
7763 let min_contrast = EditorSettings::get_global(cx).minimum_contrast_for_highlights;
7764
7765 let ellipsis = SharedString::from("β―");
7766
7767 for highlighted_chunk in chunks.chain([HighlightedChunk {
7768 text: "\n",
7769 style: None,
7770 is_tab: false,
7771 is_inlay: false,
7772 replacement: None,
7773 }]) {
7774 if let Some(replacement) = highlighted_chunk.replacement {
7775 if !line.is_empty() {
7776 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7777 let text_runs: &[TextRun] = if segments.is_empty() {
7778 &styles
7779 } else {
7780 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
7781 };
7782 let shaped_line = window.text_system().shape_line(
7783 line.clone().into(),
7784 font_size,
7785 text_runs,
7786 None,
7787 );
7788 width += shaped_line.width;
7789 len += shaped_line.len;
7790 fragments.push(LineFragment::Text(shaped_line));
7791 line.clear();
7792 styles.clear();
7793 }
7794
7795 match replacement {
7796 ChunkReplacement::Renderer(renderer) => {
7797 let available_width = if renderer.constrain_width {
7798 let chunk = if highlighted_chunk.text == ellipsis.as_ref() {
7799 ellipsis.clone()
7800 } else {
7801 SharedString::from(Arc::from(highlighted_chunk.text))
7802 };
7803 let shaped_line = window.text_system().shape_line(
7804 chunk,
7805 font_size,
7806 &[text_style.to_run(highlighted_chunk.text.len())],
7807 None,
7808 );
7809 AvailableSpace::Definite(shaped_line.width)
7810 } else {
7811 AvailableSpace::MinContent
7812 };
7813
7814 let mut element = (renderer.render)(&mut ChunkRendererContext {
7815 context: cx,
7816 window,
7817 max_width: text_width,
7818 });
7819 let line_height = text_style.line_height_in_pixels(window.rem_size());
7820 let size = element.layout_as_root(
7821 size(available_width, AvailableSpace::Definite(line_height)),
7822 window,
7823 cx,
7824 );
7825
7826 width += size.width;
7827 len += highlighted_chunk.text.len();
7828 fragments.push(LineFragment::Element {
7829 id: renderer.id,
7830 element: Some(element),
7831 size,
7832 len: highlighted_chunk.text.len(),
7833 });
7834 }
7835 ChunkReplacement::Str(x) => {
7836 let text_style = if let Some(style) = highlighted_chunk.style {
7837 Cow::Owned(text_style.clone().highlight(style))
7838 } else {
7839 Cow::Borrowed(text_style)
7840 };
7841
7842 let run = TextRun {
7843 len: x.len(),
7844 font: text_style.font(),
7845 color: text_style.color,
7846 background_color: text_style.background_color,
7847 underline: text_style.underline,
7848 strikethrough: text_style.strikethrough,
7849 };
7850 let line_layout = window
7851 .text_system()
7852 .shape_line(x, font_size, &[run], None)
7853 .with_len(highlighted_chunk.text.len());
7854
7855 width += line_layout.width;
7856 len += highlighted_chunk.text.len();
7857 fragments.push(LineFragment::Text(line_layout))
7858 }
7859 }
7860 } else {
7861 for (ix, mut line_chunk) in highlighted_chunk.text.split('\n').enumerate() {
7862 if ix > 0 {
7863 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7864 let text_runs = if segments.is_empty() {
7865 &styles
7866 } else {
7867 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
7868 };
7869 let shaped_line = window.text_system().shape_line(
7870 line.clone().into(),
7871 font_size,
7872 text_runs,
7873 None,
7874 );
7875 width += shaped_line.width;
7876 len += shaped_line.len;
7877 fragments.push(LineFragment::Text(shaped_line));
7878 layouts.push(Self {
7879 width: mem::take(&mut width),
7880 len: mem::take(&mut len),
7881 fragments: mem::take(&mut fragments),
7882 invisibles: std::mem::take(&mut invisibles),
7883 font_size,
7884 });
7885
7886 line.clear();
7887 styles.clear();
7888 row += 1;
7889 line_exceeded_max_len = false;
7890 non_whitespace_added = false;
7891 if row == max_line_count {
7892 return layouts;
7893 }
7894 }
7895
7896 if !line_chunk.is_empty() && !line_exceeded_max_len {
7897 let text_style = if let Some(style) = highlighted_chunk.style {
7898 Cow::Owned(text_style.clone().highlight(style))
7899 } else {
7900 Cow::Borrowed(text_style)
7901 };
7902
7903 if line.len() + line_chunk.len() > max_line_len {
7904 let mut chunk_len = max_line_len - line.len();
7905 while !line_chunk.is_char_boundary(chunk_len) {
7906 chunk_len -= 1;
7907 }
7908 line_chunk = &line_chunk[..chunk_len];
7909 line_exceeded_max_len = true;
7910 }
7911
7912 styles.push(TextRun {
7913 len: line_chunk.len(),
7914 font: text_style.font(),
7915 color: text_style.color,
7916 background_color: text_style.background_color,
7917 underline: text_style.underline,
7918 strikethrough: text_style.strikethrough,
7919 });
7920
7921 if editor_mode.is_full() && !highlighted_chunk.is_inlay {
7922 // Line wrap pads its contents with fake whitespaces,
7923 // avoid printing them
7924 let is_soft_wrapped = is_row_soft_wrapped(row);
7925 if highlighted_chunk.is_tab {
7926 if non_whitespace_added || !is_soft_wrapped {
7927 invisibles.push(Invisible::Tab {
7928 line_start_offset: line.len(),
7929 line_end_offset: line.len() + line_chunk.len(),
7930 });
7931 }
7932 } else {
7933 invisibles.extend(line_chunk.char_indices().filter_map(
7934 |(index, c)| {
7935 let is_whitespace = c.is_whitespace();
7936 non_whitespace_added |= !is_whitespace;
7937 if is_whitespace
7938 && (non_whitespace_added || !is_soft_wrapped)
7939 {
7940 Some(Invisible::Whitespace {
7941 line_offset: line.len() + index,
7942 })
7943 } else {
7944 None
7945 }
7946 },
7947 ))
7948 }
7949 }
7950
7951 line.push_str(line_chunk);
7952 }
7953 }
7954 }
7955 }
7956
7957 layouts
7958 }
7959
7960 /// Takes text runs and non-overlapping left-to-right background ranges with color.
7961 /// Returns new text runs with adjusted contrast as per background ranges.
7962 fn split_runs_by_bg_segments(
7963 text_runs: &[TextRun],
7964 bg_segments: &[(Range<DisplayPoint>, Hsla)],
7965 min_contrast: f32,
7966 start_col_offset: usize,
7967 ) -> Vec<TextRun> {
7968 let mut output_runs: Vec<TextRun> = Vec::with_capacity(text_runs.len());
7969 let mut line_col = start_col_offset;
7970 let mut segment_ix = 0usize;
7971
7972 for text_run in text_runs.iter() {
7973 let run_start_col = line_col;
7974 let run_end_col = run_start_col + text_run.len;
7975 while segment_ix < bg_segments.len()
7976 && (bg_segments[segment_ix].0.end.column() as usize) <= run_start_col
7977 {
7978 segment_ix += 1;
7979 }
7980 let mut cursor_col = run_start_col;
7981 let mut local_segment_ix = segment_ix;
7982 while local_segment_ix < bg_segments.len() {
7983 let (range, segment_color) = &bg_segments[local_segment_ix];
7984 let segment_start_col = range.start.column() as usize;
7985 let segment_end_col = range.end.column() as usize;
7986 if segment_start_col >= run_end_col {
7987 break;
7988 }
7989 if segment_start_col > cursor_col {
7990 let span_len = segment_start_col - cursor_col;
7991 output_runs.push(TextRun {
7992 len: span_len,
7993 font: text_run.font.clone(),
7994 color: text_run.color,
7995 background_color: text_run.background_color,
7996 underline: text_run.underline,
7997 strikethrough: text_run.strikethrough,
7998 });
7999 cursor_col = segment_start_col;
8000 }
8001 let segment_slice_end_col = segment_end_col.min(run_end_col);
8002 if segment_slice_end_col > cursor_col {
8003 let new_text_color =
8004 ensure_minimum_contrast(text_run.color, *segment_color, min_contrast);
8005 output_runs.push(TextRun {
8006 len: segment_slice_end_col - cursor_col,
8007 font: text_run.font.clone(),
8008 color: new_text_color,
8009 background_color: text_run.background_color,
8010 underline: text_run.underline,
8011 strikethrough: text_run.strikethrough,
8012 });
8013 cursor_col = segment_slice_end_col;
8014 }
8015 if segment_end_col >= run_end_col {
8016 break;
8017 }
8018 local_segment_ix += 1;
8019 }
8020 if cursor_col < run_end_col {
8021 output_runs.push(TextRun {
8022 len: run_end_col - cursor_col,
8023 font: text_run.font.clone(),
8024 color: text_run.color,
8025 background_color: text_run.background_color,
8026 underline: text_run.underline,
8027 strikethrough: text_run.strikethrough,
8028 });
8029 }
8030 line_col = run_end_col;
8031 segment_ix = local_segment_ix;
8032 }
8033 output_runs
8034 }
8035
8036 fn prepaint(
8037 &mut self,
8038 line_height: Pixels,
8039 scroll_position: gpui::Point<ScrollOffset>,
8040 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
8041 row: DisplayRow,
8042 content_origin: gpui::Point<Pixels>,
8043 line_elements: &mut SmallVec<[AnyElement; 1]>,
8044 window: &mut Window,
8045 cx: &mut App,
8046 ) {
8047 let line_y = f32::from(line_height) * Pixels::from(row.as_f64() - scroll_position.y);
8048 let mut fragment_origin =
8049 content_origin + gpui::point(Pixels::from(-scroll_pixel_position.x), line_y);
8050 for fragment in &mut self.fragments {
8051 match fragment {
8052 LineFragment::Text(line) => {
8053 fragment_origin.x += line.width;
8054 }
8055 LineFragment::Element { element, size, .. } => {
8056 let mut element = element
8057 .take()
8058 .expect("you can't prepaint LineWithInvisibles twice");
8059
8060 // Center the element vertically within the line.
8061 let mut element_origin = fragment_origin;
8062 element_origin.y += (line_height - size.height) / 2.;
8063 element.prepaint_at(element_origin, window, cx);
8064 line_elements.push(element);
8065
8066 fragment_origin.x += size.width;
8067 }
8068 }
8069 }
8070 }
8071
8072 fn draw(
8073 &self,
8074 layout: &EditorLayout,
8075 row: DisplayRow,
8076 content_origin: gpui::Point<Pixels>,
8077 whitespace_setting: ShowWhitespaceSetting,
8078 selection_ranges: &[Range<DisplayPoint>],
8079 window: &mut Window,
8080 cx: &mut App,
8081 ) {
8082 let line_height = layout.position_map.line_height;
8083 let line_y = line_height * (row.as_f64() - layout.position_map.scroll_position.y) as f32;
8084
8085 let mut fragment_origin = content_origin
8086 + gpui::point(
8087 Pixels::from(-layout.position_map.scroll_pixel_position.x),
8088 line_y,
8089 );
8090
8091 for fragment in &self.fragments {
8092 match fragment {
8093 LineFragment::Text(line) => {
8094 line.paint(fragment_origin, line_height, window, cx)
8095 .log_err();
8096 fragment_origin.x += line.width;
8097 }
8098 LineFragment::Element { size, .. } => {
8099 fragment_origin.x += size.width;
8100 }
8101 }
8102 }
8103
8104 self.draw_invisibles(
8105 selection_ranges,
8106 layout,
8107 content_origin,
8108 line_y,
8109 row,
8110 line_height,
8111 whitespace_setting,
8112 window,
8113 cx,
8114 );
8115 }
8116
8117 fn draw_background(
8118 &self,
8119 layout: &EditorLayout,
8120 row: DisplayRow,
8121 content_origin: gpui::Point<Pixels>,
8122 window: &mut Window,
8123 cx: &mut App,
8124 ) {
8125 let line_height = layout.position_map.line_height;
8126 let line_y = line_height * (row.as_f64() - layout.position_map.scroll_position.y) as f32;
8127
8128 let mut fragment_origin = content_origin
8129 + gpui::point(
8130 Pixels::from(-layout.position_map.scroll_pixel_position.x),
8131 line_y,
8132 );
8133
8134 for fragment in &self.fragments {
8135 match fragment {
8136 LineFragment::Text(line) => {
8137 line.paint_background(fragment_origin, line_height, window, cx)
8138 .log_err();
8139 fragment_origin.x += line.width;
8140 }
8141 LineFragment::Element { size, .. } => {
8142 fragment_origin.x += size.width;
8143 }
8144 }
8145 }
8146 }
8147
8148 fn draw_invisibles(
8149 &self,
8150 selection_ranges: &[Range<DisplayPoint>],
8151 layout: &EditorLayout,
8152 content_origin: gpui::Point<Pixels>,
8153 line_y: Pixels,
8154 row: DisplayRow,
8155 line_height: Pixels,
8156 whitespace_setting: ShowWhitespaceSetting,
8157 window: &mut Window,
8158 cx: &mut App,
8159 ) {
8160 let extract_whitespace_info = |invisible: &Invisible| {
8161 let (token_offset, token_end_offset, invisible_symbol) = match invisible {
8162 Invisible::Tab {
8163 line_start_offset,
8164 line_end_offset,
8165 } => (*line_start_offset, *line_end_offset, &layout.tab_invisible),
8166 Invisible::Whitespace { line_offset } => {
8167 (*line_offset, line_offset + 1, &layout.space_invisible)
8168 }
8169 };
8170
8171 let x_offset: ScrollPixelOffset = self.x_for_index(token_offset).into();
8172 let invisible_offset: ScrollPixelOffset =
8173 ((layout.position_map.em_width - invisible_symbol.width).max(Pixels::ZERO) / 2.0)
8174 .into();
8175 let origin = content_origin
8176 + gpui::point(
8177 Pixels::from(
8178 x_offset + invisible_offset - layout.position_map.scroll_pixel_position.x,
8179 ),
8180 line_y,
8181 );
8182
8183 (
8184 [token_offset, token_end_offset],
8185 Box::new(move |window: &mut Window, cx: &mut App| {
8186 invisible_symbol
8187 .paint(origin, line_height, window, cx)
8188 .log_err();
8189 }),
8190 )
8191 };
8192
8193 let invisible_iter = self.invisibles.iter().map(extract_whitespace_info);
8194 match whitespace_setting {
8195 ShowWhitespaceSetting::None => (),
8196 ShowWhitespaceSetting::All => invisible_iter.for_each(|(_, paint)| paint(window, cx)),
8197 ShowWhitespaceSetting::Selection => invisible_iter.for_each(|([start, _], paint)| {
8198 let invisible_point = DisplayPoint::new(row, start as u32);
8199 if !selection_ranges
8200 .iter()
8201 .any(|region| region.start <= invisible_point && invisible_point < region.end)
8202 {
8203 return;
8204 }
8205
8206 paint(window, cx);
8207 }),
8208
8209 ShowWhitespaceSetting::Trailing => {
8210 let mut previous_start = self.len;
8211 for ([start, end], paint) in invisible_iter.rev() {
8212 if previous_start != end {
8213 break;
8214 }
8215 previous_start = start;
8216 paint(window, cx);
8217 }
8218 }
8219
8220 // For a whitespace to be on a boundary, any of the following conditions need to be met:
8221 // - It is a tab
8222 // - It is adjacent to an edge (start or end)
8223 // - It is adjacent to a whitespace (left or right)
8224 ShowWhitespaceSetting::Boundary => {
8225 // 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
8226 // the above cases.
8227 // Note: We zip in the original `invisibles` to check for tab equality
8228 let mut last_seen: Option<(bool, usize, Box<dyn Fn(&mut Window, &mut App)>)> = None;
8229 for (([start, end], paint), invisible) in
8230 invisible_iter.zip_eq(self.invisibles.iter())
8231 {
8232 let should_render = match (&last_seen, invisible) {
8233 (_, Invisible::Tab { .. }) => true,
8234 (Some((_, last_end, _)), _) => *last_end == start,
8235 _ => false,
8236 };
8237
8238 if should_render || start == 0 || end == self.len {
8239 paint(window, cx);
8240
8241 // Since we are scanning from the left, we will skip over the first available whitespace that is part
8242 // of a boundary between non-whitespace segments, so we correct by manually redrawing it if needed.
8243 if let Some((should_render_last, last_end, paint_last)) = last_seen {
8244 // Note that we need to make sure that the last one is actually adjacent
8245 if !should_render_last && last_end == start {
8246 paint_last(window, cx);
8247 }
8248 }
8249 }
8250
8251 // Manually render anything within a selection
8252 let invisible_point = DisplayPoint::new(row, start as u32);
8253 if selection_ranges.iter().any(|region| {
8254 region.start <= invisible_point && invisible_point < region.end
8255 }) {
8256 paint(window, cx);
8257 }
8258
8259 last_seen = Some((should_render, end, paint));
8260 }
8261 }
8262 }
8263 }
8264
8265 pub fn x_for_index(&self, index: usize) -> Pixels {
8266 let mut fragment_start_x = Pixels::ZERO;
8267 let mut fragment_start_index = 0;
8268
8269 for fragment in &self.fragments {
8270 match fragment {
8271 LineFragment::Text(shaped_line) => {
8272 let fragment_end_index = fragment_start_index + shaped_line.len;
8273 if index < fragment_end_index {
8274 return fragment_start_x
8275 + shaped_line.x_for_index(index - fragment_start_index);
8276 }
8277 fragment_start_x += shaped_line.width;
8278 fragment_start_index = fragment_end_index;
8279 }
8280 LineFragment::Element { len, size, .. } => {
8281 let fragment_end_index = fragment_start_index + len;
8282 if index < fragment_end_index {
8283 return fragment_start_x;
8284 }
8285 fragment_start_x += size.width;
8286 fragment_start_index = fragment_end_index;
8287 }
8288 }
8289 }
8290
8291 fragment_start_x
8292 }
8293
8294 pub fn index_for_x(&self, x: Pixels) -> Option<usize> {
8295 let mut fragment_start_x = Pixels::ZERO;
8296 let mut fragment_start_index = 0;
8297
8298 for fragment in &self.fragments {
8299 match fragment {
8300 LineFragment::Text(shaped_line) => {
8301 let fragment_end_x = fragment_start_x + shaped_line.width;
8302 if x < fragment_end_x {
8303 return Some(
8304 fragment_start_index + shaped_line.index_for_x(x - fragment_start_x)?,
8305 );
8306 }
8307 fragment_start_x = fragment_end_x;
8308 fragment_start_index += shaped_line.len;
8309 }
8310 LineFragment::Element { len, size, .. } => {
8311 let fragment_end_x = fragment_start_x + size.width;
8312 if x < fragment_end_x {
8313 return Some(fragment_start_index);
8314 }
8315 fragment_start_index += len;
8316 fragment_start_x = fragment_end_x;
8317 }
8318 }
8319 }
8320
8321 None
8322 }
8323
8324 pub fn font_id_for_index(&self, index: usize) -> Option<FontId> {
8325 let mut fragment_start_index = 0;
8326
8327 for fragment in &self.fragments {
8328 match fragment {
8329 LineFragment::Text(shaped_line) => {
8330 let fragment_end_index = fragment_start_index + shaped_line.len;
8331 if index < fragment_end_index {
8332 return shaped_line.font_id_for_index(index - fragment_start_index);
8333 }
8334 fragment_start_index = fragment_end_index;
8335 }
8336 LineFragment::Element { len, .. } => {
8337 let fragment_end_index = fragment_start_index + len;
8338 if index < fragment_end_index {
8339 return None;
8340 }
8341 fragment_start_index = fragment_end_index;
8342 }
8343 }
8344 }
8345
8346 None
8347 }
8348}
8349
8350#[derive(Debug, Clone, Copy, PartialEq, Eq)]
8351enum Invisible {
8352 /// A tab character
8353 ///
8354 /// A tab character is internally represented by spaces (configured by the user's tab width)
8355 /// aligned to the nearest column, so it's necessary to store the start and end offset for
8356 /// adjacency checks.
8357 Tab {
8358 line_start_offset: usize,
8359 line_end_offset: usize,
8360 },
8361 Whitespace {
8362 line_offset: usize,
8363 },
8364}
8365
8366impl EditorElement {
8367 /// Returns the rem size to use when rendering the [`EditorElement`].
8368 ///
8369 /// This allows UI elements to scale based on the `buffer_font_size`.
8370 fn rem_size(&self, cx: &mut App) -> Option<Pixels> {
8371 match self.editor.read(cx).mode {
8372 EditorMode::Full {
8373 scale_ui_elements_with_buffer_font_size: true,
8374 ..
8375 }
8376 | EditorMode::Minimap { .. } => {
8377 let buffer_font_size = self.style.text.font_size;
8378 match buffer_font_size {
8379 AbsoluteLength::Pixels(pixels) => {
8380 let rem_size_scale = {
8381 // Our default UI font size is 14px on a 16px base scale.
8382 // This means the default UI font size is 0.875rems.
8383 let default_font_size_scale = 14. / ui::BASE_REM_SIZE_IN_PX;
8384
8385 // We then determine the delta between a single rem and the default font
8386 // size scale.
8387 let default_font_size_delta = 1. - default_font_size_scale;
8388
8389 // Finally, we add this delta to 1rem to get the scale factor that
8390 // should be used to scale up the UI.
8391 1. + default_font_size_delta
8392 };
8393
8394 Some(pixels * rem_size_scale)
8395 }
8396 AbsoluteLength::Rems(rems) => {
8397 Some(rems.to_pixels(ui::BASE_REM_SIZE_IN_PX.into()))
8398 }
8399 }
8400 }
8401 // We currently use single-line and auto-height editors in UI contexts,
8402 // so we don't want to scale everything with the buffer font size, as it
8403 // ends up looking off.
8404 _ => None,
8405 }
8406 }
8407
8408 fn editor_with_selections(&self, cx: &App) -> Option<Entity<Editor>> {
8409 if let EditorMode::Minimap { parent } = self.editor.read(cx).mode() {
8410 parent.upgrade()
8411 } else {
8412 Some(self.editor.clone())
8413 }
8414 }
8415}
8416
8417impl Element for EditorElement {
8418 type RequestLayoutState = ();
8419 type PrepaintState = EditorLayout;
8420
8421 fn id(&self) -> Option<ElementId> {
8422 None
8423 }
8424
8425 fn source_location(&self) -> Option<&'static core::panic::Location<'static>> {
8426 None
8427 }
8428
8429 fn request_layout(
8430 &mut self,
8431 _: Option<&GlobalElementId>,
8432 _inspector_id: Option<&gpui::InspectorElementId>,
8433 window: &mut Window,
8434 cx: &mut App,
8435 ) -> (gpui::LayoutId, ()) {
8436 let rem_size = self.rem_size(cx);
8437 window.with_rem_size(rem_size, |window| {
8438 self.editor.update(cx, |editor, cx| {
8439 editor.set_style(self.style.clone(), window, cx);
8440
8441 let layout_id = match editor.mode {
8442 EditorMode::SingleLine => {
8443 let rem_size = window.rem_size();
8444 let height = self.style.text.line_height_in_pixels(rem_size);
8445 let mut style = Style::default();
8446 style.size.height = height.into();
8447 style.size.width = relative(1.).into();
8448 window.request_layout(style, None, cx)
8449 }
8450 EditorMode::AutoHeight {
8451 min_lines,
8452 max_lines,
8453 } => {
8454 let editor_handle = cx.entity();
8455 let max_line_number_width =
8456 self.max_line_number_width(&editor.snapshot(window, cx), window);
8457 window.request_measured_layout(
8458 Style::default(),
8459 move |known_dimensions, available_space, window, cx| {
8460 editor_handle
8461 .update(cx, |editor, cx| {
8462 compute_auto_height_layout(
8463 editor,
8464 min_lines,
8465 max_lines,
8466 max_line_number_width,
8467 known_dimensions,
8468 available_space.width,
8469 window,
8470 cx,
8471 )
8472 })
8473 .unwrap_or_default()
8474 },
8475 )
8476 }
8477 EditorMode::Minimap { .. } => {
8478 let mut style = Style::default();
8479 style.size.width = relative(1.).into();
8480 style.size.height = relative(1.).into();
8481 window.request_layout(style, None, cx)
8482 }
8483 EditorMode::Full {
8484 sized_by_content, ..
8485 } => {
8486 let mut style = Style::default();
8487 style.size.width = relative(1.).into();
8488 if sized_by_content {
8489 let snapshot = editor.snapshot(window, cx);
8490 let line_height =
8491 self.style.text.line_height_in_pixels(window.rem_size());
8492 let scroll_height =
8493 (snapshot.max_point().row().next_row().0 as f32) * line_height;
8494 style.size.height = scroll_height.into();
8495 } else {
8496 style.size.height = relative(1.).into();
8497 }
8498 window.request_layout(style, None, cx)
8499 }
8500 };
8501
8502 (layout_id, ())
8503 })
8504 })
8505 }
8506
8507 fn prepaint(
8508 &mut self,
8509 _: Option<&GlobalElementId>,
8510 _inspector_id: Option<&gpui::InspectorElementId>,
8511 bounds: Bounds<Pixels>,
8512 _: &mut Self::RequestLayoutState,
8513 window: &mut Window,
8514 cx: &mut App,
8515 ) -> Self::PrepaintState {
8516 let text_style = TextStyleRefinement {
8517 font_size: Some(self.style.text.font_size),
8518 line_height: Some(self.style.text.line_height),
8519 ..Default::default()
8520 };
8521
8522 let is_minimap = self.editor.read(cx).mode.is_minimap();
8523
8524 if !is_minimap {
8525 let focus_handle = self.editor.focus_handle(cx);
8526 window.set_view_id(self.editor.entity_id());
8527 window.set_focus_handle(&focus_handle, cx);
8528 }
8529
8530 let rem_size = self.rem_size(cx);
8531 window.with_rem_size(rem_size, |window| {
8532 window.with_text_style(Some(text_style), |window| {
8533 window.with_content_mask(Some(ContentMask { bounds }), |window| {
8534 let (mut snapshot, is_read_only) = self.editor.update(cx, |editor, cx| {
8535 (editor.snapshot(window, cx), editor.read_only(cx))
8536 });
8537 let style = &self.style;
8538
8539 let rem_size = window.rem_size();
8540 let font_id = window.text_system().resolve_font(&style.text.font());
8541 let font_size = style.text.font_size.to_pixels(rem_size);
8542 let line_height = style.text.line_height_in_pixels(rem_size);
8543 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
8544 let em_advance = window.text_system().em_advance(font_id, font_size).unwrap();
8545 let glyph_grid_cell = size(em_advance, line_height);
8546
8547 let gutter_dimensions = snapshot
8548 .gutter_dimensions(
8549 font_id,
8550 font_size,
8551 self.max_line_number_width(&snapshot, window),
8552 cx,
8553 )
8554 .or_else(|| {
8555 self.editor.read(cx).offset_content.then(|| {
8556 GutterDimensions::default_with_margin(font_id, font_size, cx)
8557 })
8558 })
8559 .unwrap_or_default();
8560 let text_width = bounds.size.width - gutter_dimensions.width;
8561
8562 let settings = EditorSettings::get_global(cx);
8563 let scrollbars_shown = settings.scrollbar.show != ShowScrollbar::Never;
8564 let vertical_scrollbar_width = (scrollbars_shown
8565 && settings.scrollbar.axes.vertical
8566 && self.editor.read(cx).show_scrollbars.vertical)
8567 .then_some(style.scrollbar_width)
8568 .unwrap_or_default();
8569 let minimap_width = self
8570 .get_minimap_width(
8571 &settings.minimap,
8572 scrollbars_shown,
8573 text_width,
8574 em_width,
8575 font_size,
8576 rem_size,
8577 cx,
8578 )
8579 .unwrap_or_default();
8580
8581 let right_margin = minimap_width + vertical_scrollbar_width;
8582
8583 let editor_width =
8584 text_width - gutter_dimensions.margin - 2 * em_width - right_margin;
8585 let editor_margins = EditorMargins {
8586 gutter: gutter_dimensions,
8587 right: right_margin,
8588 };
8589
8590 snapshot = self.editor.update(cx, |editor, cx| {
8591 editor.last_bounds = Some(bounds);
8592 editor.gutter_dimensions = gutter_dimensions;
8593 editor.set_visible_line_count(
8594 (bounds.size.height / line_height) as f64,
8595 window,
8596 cx,
8597 );
8598 editor.set_visible_column_count(f64::from(editor_width / em_advance));
8599
8600 if matches!(
8601 editor.mode,
8602 EditorMode::AutoHeight { .. } | EditorMode::Minimap { .. }
8603 ) {
8604 snapshot
8605 } else {
8606 let wrap_width_for = |column: u32| (column as f32 * em_advance).ceil();
8607 let wrap_width = match editor.soft_wrap_mode(cx) {
8608 SoftWrap::GitDiff => None,
8609 SoftWrap::None => Some(wrap_width_for(MAX_LINE_LEN as u32 / 2)),
8610 SoftWrap::EditorWidth => Some(editor_width),
8611 SoftWrap::Column(column) => Some(wrap_width_for(column)),
8612 SoftWrap::Bounded(column) => {
8613 Some(editor_width.min(wrap_width_for(column)))
8614 }
8615 };
8616
8617 if editor.set_wrap_width(wrap_width, cx) {
8618 editor.snapshot(window, cx)
8619 } else {
8620 snapshot
8621 }
8622 }
8623 });
8624
8625 let hitbox = window.insert_hitbox(bounds, HitboxBehavior::Normal);
8626 let gutter_hitbox = window.insert_hitbox(
8627 gutter_bounds(bounds, gutter_dimensions),
8628 HitboxBehavior::Normal,
8629 );
8630 let text_hitbox = window.insert_hitbox(
8631 Bounds {
8632 origin: gutter_hitbox.top_right(),
8633 size: size(text_width, bounds.size.height),
8634 },
8635 HitboxBehavior::Normal,
8636 );
8637
8638 // Offset the content_bounds from the text_bounds by the gutter margin (which
8639 // is roughly half a character wide) to make hit testing work more like how we want.
8640 let content_offset = point(editor_margins.gutter.margin, Pixels::ZERO);
8641 let content_origin = text_hitbox.origin + content_offset;
8642
8643 let height_in_lines = f64::from(bounds.size.height / line_height);
8644 let max_row = snapshot.max_point().row().as_f64();
8645
8646 // The max scroll position for the top of the window
8647 let max_scroll_top = if matches!(
8648 snapshot.mode,
8649 EditorMode::SingleLine
8650 | EditorMode::AutoHeight { .. }
8651 | EditorMode::Full {
8652 sized_by_content: true,
8653 ..
8654 }
8655 ) {
8656 (max_row - height_in_lines + 1.).max(0.)
8657 } else {
8658 let settings = EditorSettings::get_global(cx);
8659 match settings.scroll_beyond_last_line {
8660 ScrollBeyondLastLine::OnePage => max_row,
8661 ScrollBeyondLastLine::Off => (max_row - height_in_lines + 1.).max(0.),
8662 ScrollBeyondLastLine::VerticalScrollMargin => {
8663 (max_row - height_in_lines + 1. + settings.vertical_scroll_margin)
8664 .max(0.)
8665 }
8666 }
8667 };
8668
8669 let (
8670 autoscroll_request,
8671 autoscroll_containing_element,
8672 needs_horizontal_autoscroll,
8673 ) = self.editor.update(cx, |editor, cx| {
8674 let autoscroll_request = editor.scroll_manager.take_autoscroll_request();
8675
8676 let autoscroll_containing_element =
8677 autoscroll_request.is_some() || editor.has_pending_selection();
8678
8679 let (needs_horizontal_autoscroll, was_scrolled) = editor
8680 .autoscroll_vertically(
8681 bounds,
8682 line_height,
8683 max_scroll_top,
8684 autoscroll_request,
8685 window,
8686 cx,
8687 );
8688 if was_scrolled.0 {
8689 snapshot = editor.snapshot(window, cx);
8690 }
8691 (
8692 autoscroll_request,
8693 autoscroll_containing_element,
8694 needs_horizontal_autoscroll,
8695 )
8696 });
8697
8698 let mut scroll_position = snapshot.scroll_position();
8699 // The scroll position is a fractional point, the whole number of which represents
8700 // the top of the window in terms of display rows.
8701 let start_row = DisplayRow(scroll_position.y as u32);
8702 let max_row = snapshot.max_point().row();
8703 let end_row = cmp::min(
8704 (scroll_position.y + height_in_lines).ceil() as u32,
8705 max_row.next_row().0,
8706 );
8707 let end_row = DisplayRow(end_row);
8708
8709 let row_infos = snapshot
8710 .row_infos(start_row)
8711 .take((start_row..end_row).len())
8712 .collect::<Vec<RowInfo>>();
8713 let is_row_soft_wrapped = |row: usize| {
8714 row_infos
8715 .get(row)
8716 .is_none_or(|info| info.buffer_row.is_none())
8717 };
8718
8719 let start_anchor = if start_row == Default::default() {
8720 Anchor::min()
8721 } else {
8722 snapshot.buffer_snapshot().anchor_before(
8723 DisplayPoint::new(start_row, 0).to_offset(&snapshot, Bias::Left),
8724 )
8725 };
8726 let end_anchor = if end_row > max_row {
8727 Anchor::max()
8728 } else {
8729 snapshot.buffer_snapshot().anchor_before(
8730 DisplayPoint::new(end_row, 0).to_offset(&snapshot, Bias::Right),
8731 )
8732 };
8733
8734 let mut highlighted_rows = self
8735 .editor
8736 .update(cx, |editor, cx| editor.highlighted_display_rows(window, cx));
8737
8738 let is_light = cx.theme().appearance().is_light();
8739
8740 for (ix, row_info) in row_infos.iter().enumerate() {
8741 let Some(diff_status) = row_info.diff_status else {
8742 continue;
8743 };
8744
8745 let background_color = match diff_status.kind {
8746 DiffHunkStatusKind::Added => cx.theme().colors().version_control_added,
8747 DiffHunkStatusKind::Deleted => {
8748 cx.theme().colors().version_control_deleted
8749 }
8750 DiffHunkStatusKind::Modified => {
8751 debug_panic!("modified diff status for row info");
8752 continue;
8753 }
8754 };
8755
8756 let hunk_opacity = if is_light { 0.16 } else { 0.12 };
8757
8758 let hollow_highlight = LineHighlight {
8759 background: (background_color.opacity(if is_light {
8760 0.08
8761 } else {
8762 0.06
8763 }))
8764 .into(),
8765 border: Some(if is_light {
8766 background_color.opacity(0.48)
8767 } else {
8768 background_color.opacity(0.36)
8769 }),
8770 include_gutter: true,
8771 type_id: None,
8772 };
8773
8774 let filled_highlight = LineHighlight {
8775 background: solid_background(background_color.opacity(hunk_opacity)),
8776 border: None,
8777 include_gutter: true,
8778 type_id: None,
8779 };
8780
8781 let background = if Self::diff_hunk_hollow(diff_status, cx) {
8782 hollow_highlight
8783 } else {
8784 filled_highlight
8785 };
8786
8787 highlighted_rows
8788 .entry(start_row + DisplayRow(ix as u32))
8789 .or_insert(background);
8790 }
8791
8792 let highlighted_ranges = self
8793 .editor_with_selections(cx)
8794 .map(|editor| {
8795 editor.read(cx).background_highlights_in_range(
8796 start_anchor..end_anchor,
8797 &snapshot.display_snapshot,
8798 cx.theme(),
8799 )
8800 })
8801 .unwrap_or_default();
8802 let highlighted_gutter_ranges =
8803 self.editor.read(cx).gutter_highlights_in_range(
8804 start_anchor..end_anchor,
8805 &snapshot.display_snapshot,
8806 cx,
8807 );
8808
8809 let document_colors = self
8810 .editor
8811 .read(cx)
8812 .colors
8813 .as_ref()
8814 .map(|colors| colors.editor_display_highlights(&snapshot));
8815 let redacted_ranges = self.editor.read(cx).redacted_ranges(
8816 start_anchor..end_anchor,
8817 &snapshot.display_snapshot,
8818 cx,
8819 );
8820
8821 let (local_selections, selected_buffer_ids): (
8822 Vec<Selection<Point>>,
8823 Vec<BufferId>,
8824 ) = self
8825 .editor_with_selections(cx)
8826 .map(|editor| {
8827 editor.update(cx, |editor, cx| {
8828 let all_selections =
8829 editor.selections.all::<Point>(&snapshot.display_snapshot);
8830 let selected_buffer_ids =
8831 if editor.buffer_kind(cx) == ItemBufferKind::Singleton {
8832 Vec::new()
8833 } else {
8834 let mut selected_buffer_ids =
8835 Vec::with_capacity(all_selections.len());
8836
8837 for selection in all_selections {
8838 for buffer_id in snapshot
8839 .buffer_snapshot()
8840 .buffer_ids_for_range(selection.range())
8841 {
8842 if selected_buffer_ids.last() != Some(&buffer_id) {
8843 selected_buffer_ids.push(buffer_id);
8844 }
8845 }
8846 }
8847
8848 selected_buffer_ids
8849 };
8850
8851 let mut selections = editor.selections.disjoint_in_range(
8852 start_anchor..end_anchor,
8853 &snapshot.display_snapshot,
8854 );
8855 selections
8856 .extend(editor.selections.pending(&snapshot.display_snapshot));
8857
8858 (selections, selected_buffer_ids)
8859 })
8860 })
8861 .unwrap_or_default();
8862
8863 let (selections, mut active_rows, newest_selection_head) = self
8864 .layout_selections(
8865 start_anchor,
8866 end_anchor,
8867 &local_selections,
8868 &snapshot,
8869 start_row,
8870 end_row,
8871 window,
8872 cx,
8873 );
8874 let mut breakpoint_rows = self.editor.update(cx, |editor, cx| {
8875 editor.active_breakpoints(start_row..end_row, window, cx)
8876 });
8877 for (display_row, (_, bp, state)) in &breakpoint_rows {
8878 if bp.is_enabled() && state.is_none_or(|s| s.verified) {
8879 active_rows.entry(*display_row).or_default().breakpoint = true;
8880 }
8881 }
8882
8883 let line_numbers = self.layout_line_numbers(
8884 Some(&gutter_hitbox),
8885 gutter_dimensions,
8886 line_height,
8887 scroll_position,
8888 start_row..end_row,
8889 &row_infos,
8890 &active_rows,
8891 newest_selection_head,
8892 &snapshot,
8893 window,
8894 cx,
8895 );
8896
8897 // We add the gutter breakpoint indicator to breakpoint_rows after painting
8898 // line numbers so we don't paint a line number debug accent color if a user
8899 // has their mouse over that line when a breakpoint isn't there
8900 self.editor.update(cx, |editor, _| {
8901 if let Some(phantom_breakpoint) = &mut editor
8902 .gutter_breakpoint_indicator
8903 .0
8904 .filter(|phantom_breakpoint| phantom_breakpoint.is_active)
8905 {
8906 // Is there a non-phantom breakpoint on this line?
8907 phantom_breakpoint.collides_with_existing_breakpoint = true;
8908 breakpoint_rows
8909 .entry(phantom_breakpoint.display_row)
8910 .or_insert_with(|| {
8911 let position = snapshot.display_point_to_anchor(
8912 DisplayPoint::new(phantom_breakpoint.display_row, 0),
8913 Bias::Right,
8914 );
8915 let breakpoint = Breakpoint::new_standard();
8916 phantom_breakpoint.collides_with_existing_breakpoint = false;
8917 (position, breakpoint, None)
8918 });
8919 }
8920 });
8921
8922 let mut expand_toggles =
8923 window.with_element_namespace("expand_toggles", |window| {
8924 self.layout_expand_toggles(
8925 &gutter_hitbox,
8926 gutter_dimensions,
8927 em_width,
8928 line_height,
8929 scroll_position,
8930 &row_infos,
8931 window,
8932 cx,
8933 )
8934 });
8935
8936 let mut crease_toggles =
8937 window.with_element_namespace("crease_toggles", |window| {
8938 self.layout_crease_toggles(
8939 start_row..end_row,
8940 &row_infos,
8941 &active_rows,
8942 &snapshot,
8943 window,
8944 cx,
8945 )
8946 });
8947 let crease_trailers =
8948 window.with_element_namespace("crease_trailers", |window| {
8949 self.layout_crease_trailers(
8950 row_infos.iter().copied(),
8951 &snapshot,
8952 window,
8953 cx,
8954 )
8955 });
8956
8957 let display_hunks = self.layout_gutter_diff_hunks(
8958 line_height,
8959 &gutter_hitbox,
8960 start_row..end_row,
8961 &snapshot,
8962 window,
8963 cx,
8964 );
8965
8966 let bg_segments_per_row = Self::bg_segments_per_row(
8967 start_row..end_row,
8968 &selections,
8969 &highlighted_ranges,
8970 self.style.background,
8971 );
8972
8973 let mut line_layouts = Self::layout_lines(
8974 start_row..end_row,
8975 &snapshot,
8976 &self.style,
8977 editor_width,
8978 is_row_soft_wrapped,
8979 &bg_segments_per_row,
8980 window,
8981 cx,
8982 );
8983 let new_renderer_widths = (!is_minimap).then(|| {
8984 line_layouts
8985 .iter()
8986 .flat_map(|layout| &layout.fragments)
8987 .filter_map(|fragment| {
8988 if let LineFragment::Element { id, size, .. } = fragment {
8989 Some((*id, size.width))
8990 } else {
8991 None
8992 }
8993 })
8994 });
8995 if new_renderer_widths.is_some_and(|new_renderer_widths| {
8996 self.editor.update(cx, |editor, cx| {
8997 editor.update_renderer_widths(new_renderer_widths, cx)
8998 })
8999 }) {
9000 // If the fold widths have changed, we need to prepaint
9001 // the element again to account for any changes in
9002 // wrapping.
9003 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
9004 }
9005
9006 let longest_line_blame_width = self
9007 .editor
9008 .update(cx, |editor, cx| {
9009 if !editor.show_git_blame_inline {
9010 return None;
9011 }
9012 let blame = editor.blame.as_ref()?;
9013 let (_, blame_entry) = blame
9014 .update(cx, |blame, cx| {
9015 let row_infos =
9016 snapshot.row_infos(snapshot.longest_row()).next()?;
9017 blame.blame_for_rows(&[row_infos], cx).next()
9018 })
9019 .flatten()?;
9020 let mut element = render_inline_blame_entry(blame_entry, style, cx)?;
9021 let inline_blame_padding =
9022 ProjectSettings::get_global(cx).git.inline_blame.padding as f32
9023 * em_advance;
9024 Some(
9025 element
9026 .layout_as_root(AvailableSpace::min_size(), window, cx)
9027 .width
9028 + inline_blame_padding,
9029 )
9030 })
9031 .unwrap_or(Pixels::ZERO);
9032
9033 let longest_line_width = layout_line(
9034 snapshot.longest_row(),
9035 &snapshot,
9036 style,
9037 editor_width,
9038 is_row_soft_wrapped,
9039 window,
9040 cx,
9041 )
9042 .width;
9043
9044 let scrollbar_layout_information = ScrollbarLayoutInformation::new(
9045 text_hitbox.bounds,
9046 glyph_grid_cell,
9047 size(
9048 longest_line_width,
9049 Pixels::from(max_row.as_f64() * f64::from(line_height)),
9050 ),
9051 longest_line_blame_width,
9052 EditorSettings::get_global(cx),
9053 );
9054
9055 let mut scroll_width = scrollbar_layout_information.scroll_range.width;
9056
9057 let sticky_header_excerpt = if snapshot.buffer_snapshot().show_headers() {
9058 snapshot.sticky_header_excerpt(scroll_position.y)
9059 } else {
9060 None
9061 };
9062 let sticky_header_excerpt_id =
9063 sticky_header_excerpt.as_ref().map(|top| top.excerpt.id);
9064
9065 let blocks = (!is_minimap)
9066 .then(|| {
9067 window.with_element_namespace("blocks", |window| {
9068 self.render_blocks(
9069 start_row..end_row,
9070 &snapshot,
9071 &hitbox,
9072 &text_hitbox,
9073 editor_width,
9074 &mut scroll_width,
9075 &editor_margins,
9076 em_width,
9077 gutter_dimensions.full_width(),
9078 line_height,
9079 &mut line_layouts,
9080 &local_selections,
9081 &selected_buffer_ids,
9082 is_row_soft_wrapped,
9083 sticky_header_excerpt_id,
9084 window,
9085 cx,
9086 )
9087 })
9088 })
9089 .unwrap_or_else(|| Ok((Vec::default(), HashMap::default())));
9090 let (mut blocks, row_block_types) = match blocks {
9091 Ok(blocks) => blocks,
9092 Err(resized_blocks) => {
9093 self.editor.update(cx, |editor, cx| {
9094 editor.resize_blocks(
9095 resized_blocks,
9096 autoscroll_request.map(|(autoscroll, _)| autoscroll),
9097 cx,
9098 )
9099 });
9100 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
9101 }
9102 };
9103
9104 let sticky_buffer_header = sticky_header_excerpt.map(|sticky_header_excerpt| {
9105 window.with_element_namespace("blocks", |window| {
9106 self.layout_sticky_buffer_header(
9107 sticky_header_excerpt,
9108 scroll_position,
9109 line_height,
9110 right_margin,
9111 &snapshot,
9112 &hitbox,
9113 &selected_buffer_ids,
9114 &blocks,
9115 window,
9116 cx,
9117 )
9118 })
9119 });
9120
9121 let start_buffer_row =
9122 MultiBufferRow(start_anchor.to_point(&snapshot.buffer_snapshot()).row);
9123 let end_buffer_row =
9124 MultiBufferRow(end_anchor.to_point(&snapshot.buffer_snapshot()).row);
9125
9126 let scroll_max: gpui::Point<ScrollPixelOffset> = point(
9127 ScrollPixelOffset::from(
9128 ((scroll_width - editor_width) / em_advance).max(0.0),
9129 ),
9130 max_scroll_top,
9131 );
9132
9133 self.editor.update(cx, |editor, cx| {
9134 if editor.scroll_manager.clamp_scroll_left(scroll_max.x) {
9135 scroll_position.x = scroll_position.x.min(scroll_max.x);
9136 }
9137
9138 if needs_horizontal_autoscroll.0
9139 && let Some(new_scroll_position) = editor.autoscroll_horizontally(
9140 start_row,
9141 editor_width,
9142 scroll_width,
9143 em_advance,
9144 &line_layouts,
9145 autoscroll_request,
9146 window,
9147 cx,
9148 )
9149 {
9150 scroll_position = new_scroll_position;
9151 }
9152 });
9153
9154 let scroll_pixel_position = point(
9155 scroll_position.x * f64::from(em_advance),
9156 scroll_position.y * f64::from(line_height),
9157 );
9158 let indent_guides = self.layout_indent_guides(
9159 content_origin,
9160 text_hitbox.origin,
9161 start_buffer_row..end_buffer_row,
9162 scroll_pixel_position,
9163 line_height,
9164 &snapshot,
9165 window,
9166 cx,
9167 );
9168
9169 let crease_trailers =
9170 window.with_element_namespace("crease_trailers", |window| {
9171 self.prepaint_crease_trailers(
9172 crease_trailers,
9173 &line_layouts,
9174 line_height,
9175 content_origin,
9176 scroll_pixel_position,
9177 em_width,
9178 window,
9179 cx,
9180 )
9181 });
9182
9183 let (edit_prediction_popover, edit_prediction_popover_origin) = self
9184 .editor
9185 .update(cx, |editor, cx| {
9186 editor.render_edit_prediction_popover(
9187 &text_hitbox.bounds,
9188 content_origin,
9189 right_margin,
9190 &snapshot,
9191 start_row..end_row,
9192 scroll_position.y,
9193 scroll_position.y + height_in_lines,
9194 &line_layouts,
9195 line_height,
9196 scroll_position,
9197 scroll_pixel_position,
9198 newest_selection_head,
9199 editor_width,
9200 style,
9201 window,
9202 cx,
9203 )
9204 })
9205 .unzip();
9206
9207 let mut inline_diagnostics = self.layout_inline_diagnostics(
9208 &line_layouts,
9209 &crease_trailers,
9210 &row_block_types,
9211 content_origin,
9212 scroll_position,
9213 scroll_pixel_position,
9214 edit_prediction_popover_origin,
9215 start_row,
9216 end_row,
9217 line_height,
9218 em_width,
9219 style,
9220 window,
9221 cx,
9222 );
9223
9224 let mut inline_blame_layout = None;
9225 let mut inline_code_actions = None;
9226 if let Some(newest_selection_head) = newest_selection_head {
9227 let display_row = newest_selection_head.row();
9228 if (start_row..end_row).contains(&display_row)
9229 && !row_block_types.contains_key(&display_row)
9230 {
9231 inline_code_actions = self.layout_inline_code_actions(
9232 newest_selection_head,
9233 content_origin,
9234 scroll_position,
9235 scroll_pixel_position,
9236 line_height,
9237 &snapshot,
9238 window,
9239 cx,
9240 );
9241
9242 let line_ix = display_row.minus(start_row) as usize;
9243 if let (Some(row_info), Some(line_layout), Some(crease_trailer)) = (
9244 row_infos.get(line_ix),
9245 line_layouts.get(line_ix),
9246 crease_trailers.get(line_ix),
9247 ) {
9248 let crease_trailer_layout = crease_trailer.as_ref();
9249 if let Some(layout) = self.layout_inline_blame(
9250 display_row,
9251 row_info,
9252 line_layout,
9253 crease_trailer_layout,
9254 em_width,
9255 content_origin,
9256 scroll_position,
9257 scroll_pixel_position,
9258 line_height,
9259 &text_hitbox,
9260 window,
9261 cx,
9262 ) {
9263 inline_blame_layout = Some(layout);
9264 // Blame overrides inline diagnostics
9265 inline_diagnostics.remove(&display_row);
9266 }
9267 } else {
9268 log::error!(
9269 "bug: line_ix {} is out of bounds - row_infos.len(): {}, \
9270 line_layouts.len(): {}, \
9271 crease_trailers.len(): {}",
9272 line_ix,
9273 row_infos.len(),
9274 line_layouts.len(),
9275 crease_trailers.len(),
9276 );
9277 }
9278 }
9279 }
9280
9281 let blamed_display_rows = self.layout_blame_entries(
9282 &row_infos,
9283 em_width,
9284 scroll_position,
9285 line_height,
9286 &gutter_hitbox,
9287 gutter_dimensions.git_blame_entries_width,
9288 window,
9289 cx,
9290 );
9291
9292 let line_elements = self.prepaint_lines(
9293 start_row,
9294 &mut line_layouts,
9295 line_height,
9296 scroll_position,
9297 scroll_pixel_position,
9298 content_origin,
9299 window,
9300 cx,
9301 );
9302
9303 window.with_element_namespace("blocks", |window| {
9304 self.layout_blocks(
9305 &mut blocks,
9306 &hitbox,
9307 line_height,
9308 scroll_position,
9309 scroll_pixel_position,
9310 window,
9311 cx,
9312 );
9313 });
9314
9315 let cursors = self.collect_cursors(&snapshot, cx);
9316 let visible_row_range = start_row..end_row;
9317 let non_visible_cursors = cursors
9318 .iter()
9319 .any(|c| !visible_row_range.contains(&c.0.row()));
9320
9321 let visible_cursors = self.layout_visible_cursors(
9322 &snapshot,
9323 &selections,
9324 &row_block_types,
9325 start_row..end_row,
9326 &line_layouts,
9327 &text_hitbox,
9328 content_origin,
9329 scroll_position,
9330 scroll_pixel_position,
9331 line_height,
9332 em_width,
9333 em_advance,
9334 autoscroll_containing_element,
9335 window,
9336 cx,
9337 );
9338
9339 let scrollbars_layout = self.layout_scrollbars(
9340 &snapshot,
9341 &scrollbar_layout_information,
9342 content_offset,
9343 scroll_position,
9344 non_visible_cursors,
9345 right_margin,
9346 editor_width,
9347 window,
9348 cx,
9349 );
9350
9351 let gutter_settings = EditorSettings::get_global(cx).gutter;
9352
9353 let context_menu_layout =
9354 if let Some(newest_selection_head) = newest_selection_head {
9355 let newest_selection_point =
9356 newest_selection_head.to_point(&snapshot.display_snapshot);
9357 if (start_row..end_row).contains(&newest_selection_head.row()) {
9358 self.layout_cursor_popovers(
9359 line_height,
9360 &text_hitbox,
9361 content_origin,
9362 right_margin,
9363 start_row,
9364 scroll_pixel_position,
9365 &line_layouts,
9366 newest_selection_head,
9367 newest_selection_point,
9368 style,
9369 window,
9370 cx,
9371 )
9372 } else {
9373 None
9374 }
9375 } else {
9376 None
9377 };
9378
9379 self.layout_gutter_menu(
9380 line_height,
9381 &text_hitbox,
9382 content_origin,
9383 right_margin,
9384 scroll_pixel_position,
9385 gutter_dimensions.width - gutter_dimensions.left_padding,
9386 window,
9387 cx,
9388 );
9389
9390 let test_indicators = if gutter_settings.runnables {
9391 self.layout_run_indicators(
9392 line_height,
9393 start_row..end_row,
9394 &row_infos,
9395 scroll_position,
9396 &gutter_dimensions,
9397 &gutter_hitbox,
9398 &display_hunks,
9399 &snapshot,
9400 &mut breakpoint_rows,
9401 window,
9402 cx,
9403 )
9404 } else {
9405 Vec::new()
9406 };
9407
9408 let show_breakpoints = snapshot
9409 .show_breakpoints
9410 .unwrap_or(gutter_settings.breakpoints);
9411 let breakpoints = if show_breakpoints {
9412 self.layout_breakpoints(
9413 line_height,
9414 start_row..end_row,
9415 scroll_position,
9416 &gutter_dimensions,
9417 &gutter_hitbox,
9418 &display_hunks,
9419 &snapshot,
9420 breakpoint_rows,
9421 &row_infos,
9422 window,
9423 cx,
9424 )
9425 } else {
9426 Vec::new()
9427 };
9428
9429 self.layout_signature_help(
9430 &hitbox,
9431 content_origin,
9432 scroll_pixel_position,
9433 newest_selection_head,
9434 start_row,
9435 &line_layouts,
9436 line_height,
9437 em_width,
9438 context_menu_layout,
9439 window,
9440 cx,
9441 );
9442
9443 if !cx.has_active_drag() {
9444 self.layout_hover_popovers(
9445 &snapshot,
9446 &hitbox,
9447 start_row..end_row,
9448 content_origin,
9449 scroll_pixel_position,
9450 &line_layouts,
9451 line_height,
9452 em_width,
9453 context_menu_layout,
9454 window,
9455 cx,
9456 );
9457 }
9458
9459 let mouse_context_menu = self.layout_mouse_context_menu(
9460 &snapshot,
9461 start_row..end_row,
9462 content_origin,
9463 window,
9464 cx,
9465 );
9466
9467 window.with_element_namespace("crease_toggles", |window| {
9468 self.prepaint_crease_toggles(
9469 &mut crease_toggles,
9470 line_height,
9471 &gutter_dimensions,
9472 gutter_settings,
9473 scroll_pixel_position,
9474 &gutter_hitbox,
9475 window,
9476 cx,
9477 )
9478 });
9479
9480 window.with_element_namespace("expand_toggles", |window| {
9481 self.prepaint_expand_toggles(&mut expand_toggles, window, cx)
9482 });
9483
9484 let wrap_guides = self.layout_wrap_guides(
9485 em_advance,
9486 scroll_position,
9487 content_origin,
9488 scrollbars_layout.as_ref(),
9489 vertical_scrollbar_width,
9490 &hitbox,
9491 window,
9492 cx,
9493 );
9494
9495 let minimap = window.with_element_namespace("minimap", |window| {
9496 self.layout_minimap(
9497 &snapshot,
9498 minimap_width,
9499 scroll_position,
9500 &scrollbar_layout_information,
9501 scrollbars_layout.as_ref(),
9502 window,
9503 cx,
9504 )
9505 });
9506
9507 let invisible_symbol_font_size = font_size / 2.;
9508 let whitespace_map = &self
9509 .editor
9510 .read(cx)
9511 .buffer
9512 .read(cx)
9513 .language_settings(cx)
9514 .whitespace_map;
9515
9516 let tab_char = whitespace_map.tab.clone();
9517 let tab_len = tab_char.len();
9518 let tab_invisible = window.text_system().shape_line(
9519 tab_char,
9520 invisible_symbol_font_size,
9521 &[TextRun {
9522 len: tab_len,
9523 font: self.style.text.font(),
9524 color: cx.theme().colors().editor_invisible,
9525 background_color: None,
9526 underline: None,
9527 strikethrough: None,
9528 }],
9529 None,
9530 );
9531
9532 let space_char = whitespace_map.space.clone();
9533 let space_len = space_char.len();
9534 let space_invisible = window.text_system().shape_line(
9535 space_char,
9536 invisible_symbol_font_size,
9537 &[TextRun {
9538 len: space_len,
9539 font: self.style.text.font(),
9540 color: cx.theme().colors().editor_invisible,
9541 background_color: None,
9542 underline: None,
9543 strikethrough: None,
9544 }],
9545 None,
9546 );
9547
9548 let mode = snapshot.mode.clone();
9549
9550 let (diff_hunk_controls, diff_hunk_control_bounds) = if is_read_only {
9551 (vec![], vec![])
9552 } else {
9553 self.layout_diff_hunk_controls(
9554 start_row..end_row,
9555 &row_infos,
9556 &text_hitbox,
9557 newest_selection_head,
9558 line_height,
9559 right_margin,
9560 scroll_pixel_position,
9561 &display_hunks,
9562 &highlighted_rows,
9563 self.editor.clone(),
9564 window,
9565 cx,
9566 )
9567 };
9568
9569 let position_map = Rc::new(PositionMap {
9570 size: bounds.size,
9571 visible_row_range,
9572 scroll_position,
9573 scroll_pixel_position,
9574 scroll_max,
9575 line_layouts,
9576 line_height,
9577 em_width,
9578 em_advance,
9579 snapshot,
9580 gutter_hitbox: gutter_hitbox.clone(),
9581 text_hitbox: text_hitbox.clone(),
9582 inline_blame_bounds: inline_blame_layout
9583 .as_ref()
9584 .map(|layout| (layout.bounds, layout.buffer_id, layout.entry.clone())),
9585 display_hunks: display_hunks.clone(),
9586 diff_hunk_control_bounds,
9587 });
9588
9589 self.editor.update(cx, |editor, _| {
9590 editor.last_position_map = Some(position_map.clone())
9591 });
9592
9593 EditorLayout {
9594 mode,
9595 position_map,
9596 visible_display_row_range: start_row..end_row,
9597 wrap_guides,
9598 indent_guides,
9599 hitbox,
9600 gutter_hitbox,
9601 display_hunks,
9602 content_origin,
9603 scrollbars_layout,
9604 minimap,
9605 active_rows,
9606 highlighted_rows,
9607 highlighted_ranges,
9608 highlighted_gutter_ranges,
9609 redacted_ranges,
9610 document_colors,
9611 line_elements,
9612 line_numbers,
9613 blamed_display_rows,
9614 inline_diagnostics,
9615 inline_blame_layout,
9616 inline_code_actions,
9617 blocks,
9618 cursors,
9619 visible_cursors,
9620 selections,
9621 edit_prediction_popover,
9622 diff_hunk_controls,
9623 mouse_context_menu,
9624 test_indicators,
9625 breakpoints,
9626 crease_toggles,
9627 crease_trailers,
9628 tab_invisible,
9629 space_invisible,
9630 sticky_buffer_header,
9631 expand_toggles,
9632 }
9633 })
9634 })
9635 })
9636 }
9637
9638 fn paint(
9639 &mut self,
9640 _: Option<&GlobalElementId>,
9641 _inspector_id: Option<&gpui::InspectorElementId>,
9642 bounds: Bounds<gpui::Pixels>,
9643 _: &mut Self::RequestLayoutState,
9644 layout: &mut Self::PrepaintState,
9645 window: &mut Window,
9646 cx: &mut App,
9647 ) {
9648 if !layout.mode.is_minimap() {
9649 let focus_handle = self.editor.focus_handle(cx);
9650 let key_context = self
9651 .editor
9652 .update(cx, |editor, cx| editor.key_context(window, cx));
9653
9654 window.set_key_context(key_context);
9655 window.handle_input(
9656 &focus_handle,
9657 ElementInputHandler::new(bounds, self.editor.clone()),
9658 cx,
9659 );
9660 self.register_actions(window, cx);
9661 self.register_key_listeners(window, cx, layout);
9662 }
9663
9664 let text_style = TextStyleRefinement {
9665 font_size: Some(self.style.text.font_size),
9666 line_height: Some(self.style.text.line_height),
9667 ..Default::default()
9668 };
9669 let rem_size = self.rem_size(cx);
9670 window.with_rem_size(rem_size, |window| {
9671 window.with_text_style(Some(text_style), |window| {
9672 window.with_content_mask(Some(ContentMask { bounds }), |window| {
9673 self.paint_mouse_listeners(layout, window, cx);
9674 self.paint_background(layout, window, cx);
9675 self.paint_indent_guides(layout, window, cx);
9676
9677 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9678 self.paint_blamed_display_rows(layout, window, cx);
9679 self.paint_line_numbers(layout, window, cx);
9680 }
9681
9682 self.paint_text(layout, window, cx);
9683
9684 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9685 self.paint_gutter_highlights(layout, window, cx);
9686 self.paint_gutter_indicators(layout, window, cx);
9687 }
9688
9689 if !layout.blocks.is_empty() {
9690 window.with_element_namespace("blocks", |window| {
9691 self.paint_blocks(layout, window, cx);
9692 });
9693 }
9694
9695 window.with_element_namespace("blocks", |window| {
9696 if let Some(mut sticky_header) = layout.sticky_buffer_header.take() {
9697 sticky_header.paint(window, cx)
9698 }
9699 });
9700
9701 self.paint_minimap(layout, window, cx);
9702 self.paint_scrollbars(layout, window, cx);
9703 self.paint_edit_prediction_popover(layout, window, cx);
9704 self.paint_mouse_context_menu(layout, window, cx);
9705 });
9706 })
9707 })
9708 }
9709}
9710
9711pub(super) fn gutter_bounds(
9712 editor_bounds: Bounds<Pixels>,
9713 gutter_dimensions: GutterDimensions,
9714) -> Bounds<Pixels> {
9715 Bounds {
9716 origin: editor_bounds.origin,
9717 size: size(gutter_dimensions.width, editor_bounds.size.height),
9718 }
9719}
9720
9721#[derive(Clone, Copy)]
9722struct ContextMenuLayout {
9723 y_flipped: bool,
9724 bounds: Bounds<Pixels>,
9725}
9726
9727/// Holds information required for layouting the editor scrollbars.
9728struct ScrollbarLayoutInformation {
9729 /// The bounds of the editor area (excluding the content offset).
9730 editor_bounds: Bounds<Pixels>,
9731 /// The available range to scroll within the document.
9732 scroll_range: Size<Pixels>,
9733 /// The space available for one glyph in the editor.
9734 glyph_grid_cell: Size<Pixels>,
9735}
9736
9737impl ScrollbarLayoutInformation {
9738 pub fn new(
9739 editor_bounds: Bounds<Pixels>,
9740 glyph_grid_cell: Size<Pixels>,
9741 document_size: Size<Pixels>,
9742 longest_line_blame_width: Pixels,
9743 settings: &EditorSettings,
9744 ) -> Self {
9745 let vertical_overscroll = match settings.scroll_beyond_last_line {
9746 ScrollBeyondLastLine::OnePage => editor_bounds.size.height,
9747 ScrollBeyondLastLine::Off => glyph_grid_cell.height,
9748 ScrollBeyondLastLine::VerticalScrollMargin => {
9749 (1.0 + settings.vertical_scroll_margin) as f32 * glyph_grid_cell.height
9750 }
9751 };
9752
9753 let overscroll = size(longest_line_blame_width, vertical_overscroll);
9754
9755 ScrollbarLayoutInformation {
9756 editor_bounds,
9757 scroll_range: document_size + overscroll,
9758 glyph_grid_cell,
9759 }
9760 }
9761}
9762
9763impl IntoElement for EditorElement {
9764 type Element = Self;
9765
9766 fn into_element(self) -> Self::Element {
9767 self
9768 }
9769}
9770
9771pub struct EditorLayout {
9772 position_map: Rc<PositionMap>,
9773 hitbox: Hitbox,
9774 gutter_hitbox: Hitbox,
9775 content_origin: gpui::Point<Pixels>,
9776 scrollbars_layout: Option<EditorScrollbars>,
9777 minimap: Option<MinimapLayout>,
9778 mode: EditorMode,
9779 wrap_guides: SmallVec<[(Pixels, bool); 2]>,
9780 indent_guides: Option<Vec<IndentGuideLayout>>,
9781 visible_display_row_range: Range<DisplayRow>,
9782 active_rows: BTreeMap<DisplayRow, LineHighlightSpec>,
9783 highlighted_rows: BTreeMap<DisplayRow, LineHighlight>,
9784 line_elements: SmallVec<[AnyElement; 1]>,
9785 line_numbers: Arc<HashMap<MultiBufferRow, LineNumberLayout>>,
9786 display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
9787 blamed_display_rows: Option<Vec<AnyElement>>,
9788 inline_diagnostics: HashMap<DisplayRow, AnyElement>,
9789 inline_blame_layout: Option<InlineBlameLayout>,
9790 inline_code_actions: Option<AnyElement>,
9791 blocks: Vec<BlockLayout>,
9792 highlighted_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9793 highlighted_gutter_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9794 redacted_ranges: Vec<Range<DisplayPoint>>,
9795 cursors: Vec<(DisplayPoint, Hsla)>,
9796 visible_cursors: Vec<CursorLayout>,
9797 selections: Vec<(PlayerColor, Vec<SelectionLayout>)>,
9798 test_indicators: Vec<AnyElement>,
9799 breakpoints: Vec<AnyElement>,
9800 crease_toggles: Vec<Option<AnyElement>>,
9801 expand_toggles: Vec<Option<(AnyElement, gpui::Point<Pixels>)>>,
9802 diff_hunk_controls: Vec<AnyElement>,
9803 crease_trailers: Vec<Option<CreaseTrailerLayout>>,
9804 edit_prediction_popover: Option<AnyElement>,
9805 mouse_context_menu: Option<AnyElement>,
9806 tab_invisible: ShapedLine,
9807 space_invisible: ShapedLine,
9808 sticky_buffer_header: Option<AnyElement>,
9809 document_colors: Option<(DocumentColorsRenderMode, Vec<(Range<DisplayPoint>, Hsla)>)>,
9810}
9811
9812impl EditorLayout {
9813 fn line_end_overshoot(&self) -> Pixels {
9814 0.15 * self.position_map.line_height
9815 }
9816}
9817
9818struct LineNumberSegment {
9819 shaped_line: ShapedLine,
9820 hitbox: Option<Hitbox>,
9821}
9822
9823struct LineNumberLayout {
9824 segments: Vec<LineNumberSegment>,
9825}
9826
9827struct ColoredRange<T> {
9828 start: T,
9829 end: T,
9830 color: Hsla,
9831}
9832
9833impl Along for ScrollbarAxes {
9834 type Unit = bool;
9835
9836 fn along(&self, axis: ScrollbarAxis) -> Self::Unit {
9837 match axis {
9838 ScrollbarAxis::Horizontal => self.horizontal,
9839 ScrollbarAxis::Vertical => self.vertical,
9840 }
9841 }
9842
9843 fn apply_along(&self, axis: ScrollbarAxis, f: impl FnOnce(Self::Unit) -> Self::Unit) -> Self {
9844 match axis {
9845 ScrollbarAxis::Horizontal => ScrollbarAxes {
9846 horizontal: f(self.horizontal),
9847 vertical: self.vertical,
9848 },
9849 ScrollbarAxis::Vertical => ScrollbarAxes {
9850 horizontal: self.horizontal,
9851 vertical: f(self.vertical),
9852 },
9853 }
9854 }
9855}
9856
9857#[derive(Clone)]
9858struct EditorScrollbars {
9859 pub vertical: Option<ScrollbarLayout>,
9860 pub horizontal: Option<ScrollbarLayout>,
9861 pub visible: bool,
9862}
9863
9864impl EditorScrollbars {
9865 pub fn from_scrollbar_axes(
9866 show_scrollbar: ScrollbarAxes,
9867 layout_information: &ScrollbarLayoutInformation,
9868 content_offset: gpui::Point<Pixels>,
9869 scroll_position: gpui::Point<f64>,
9870 scrollbar_width: Pixels,
9871 right_margin: Pixels,
9872 editor_width: Pixels,
9873 show_scrollbars: bool,
9874 scrollbar_state: Option<&ActiveScrollbarState>,
9875 window: &mut Window,
9876 ) -> Self {
9877 let ScrollbarLayoutInformation {
9878 editor_bounds,
9879 scroll_range,
9880 glyph_grid_cell,
9881 } = layout_information;
9882
9883 let viewport_size = size(editor_width, editor_bounds.size.height);
9884
9885 let scrollbar_bounds_for = |axis: ScrollbarAxis| match axis {
9886 ScrollbarAxis::Horizontal => Bounds::from_corner_and_size(
9887 Corner::BottomLeft,
9888 editor_bounds.bottom_left(),
9889 size(
9890 // The horizontal viewport size differs from the space available for the
9891 // horizontal scrollbar, so we have to manually stitch it together here.
9892 editor_bounds.size.width - right_margin,
9893 scrollbar_width,
9894 ),
9895 ),
9896 ScrollbarAxis::Vertical => Bounds::from_corner_and_size(
9897 Corner::TopRight,
9898 editor_bounds.top_right(),
9899 size(scrollbar_width, viewport_size.height),
9900 ),
9901 };
9902
9903 let mut create_scrollbar_layout = |axis| {
9904 let viewport_size = viewport_size.along(axis);
9905 let scroll_range = scroll_range.along(axis);
9906
9907 // We always want a vertical scrollbar track for scrollbar diagnostic visibility.
9908 (show_scrollbar.along(axis)
9909 && (axis == ScrollbarAxis::Vertical || scroll_range > viewport_size))
9910 .then(|| {
9911 ScrollbarLayout::new(
9912 window.insert_hitbox(scrollbar_bounds_for(axis), HitboxBehavior::Normal),
9913 viewport_size,
9914 scroll_range,
9915 glyph_grid_cell.along(axis),
9916 content_offset.along(axis),
9917 scroll_position.along(axis),
9918 show_scrollbars,
9919 axis,
9920 )
9921 .with_thumb_state(
9922 scrollbar_state.and_then(|state| state.thumb_state_for_axis(axis)),
9923 )
9924 })
9925 };
9926
9927 Self {
9928 vertical: create_scrollbar_layout(ScrollbarAxis::Vertical),
9929 horizontal: create_scrollbar_layout(ScrollbarAxis::Horizontal),
9930 visible: show_scrollbars,
9931 }
9932 }
9933
9934 pub fn iter_scrollbars(&self) -> impl Iterator<Item = (&ScrollbarLayout, ScrollbarAxis)> + '_ {
9935 [
9936 (&self.vertical, ScrollbarAxis::Vertical),
9937 (&self.horizontal, ScrollbarAxis::Horizontal),
9938 ]
9939 .into_iter()
9940 .filter_map(|(scrollbar, axis)| scrollbar.as_ref().map(|s| (s, axis)))
9941 }
9942
9943 /// Returns the currently hovered scrollbar axis, if any.
9944 pub fn get_hovered_axis(&self, window: &Window) -> Option<(&ScrollbarLayout, ScrollbarAxis)> {
9945 self.iter_scrollbars()
9946 .find(|s| s.0.hitbox.is_hovered(window))
9947 }
9948}
9949
9950#[derive(Clone)]
9951struct ScrollbarLayout {
9952 hitbox: Hitbox,
9953 visible_range: Range<ScrollOffset>,
9954 text_unit_size: Pixels,
9955 thumb_bounds: Option<Bounds<Pixels>>,
9956 thumb_state: ScrollbarThumbState,
9957}
9958
9959impl ScrollbarLayout {
9960 const BORDER_WIDTH: Pixels = px(1.0);
9961 const LINE_MARKER_HEIGHT: Pixels = px(2.0);
9962 const MIN_MARKER_HEIGHT: Pixels = px(5.0);
9963 const MIN_THUMB_SIZE: Pixels = px(25.0);
9964
9965 fn new(
9966 scrollbar_track_hitbox: Hitbox,
9967 viewport_size: Pixels,
9968 scroll_range: Pixels,
9969 glyph_space: Pixels,
9970 content_offset: Pixels,
9971 scroll_position: ScrollOffset,
9972 show_thumb: bool,
9973 axis: ScrollbarAxis,
9974 ) -> Self {
9975 let track_bounds = scrollbar_track_hitbox.bounds;
9976 // The length of the track available to the scrollbar thumb. We deliberately
9977 // exclude the content size here so that the thumb aligns with the content.
9978 let track_length = track_bounds.size.along(axis) - content_offset;
9979
9980 Self::new_with_hitbox_and_track_length(
9981 scrollbar_track_hitbox,
9982 track_length,
9983 viewport_size,
9984 scroll_range.into(),
9985 glyph_space,
9986 content_offset.into(),
9987 scroll_position,
9988 show_thumb,
9989 axis,
9990 )
9991 }
9992
9993 fn for_minimap(
9994 minimap_track_hitbox: Hitbox,
9995 visible_lines: f64,
9996 total_editor_lines: f64,
9997 minimap_line_height: Pixels,
9998 scroll_position: ScrollOffset,
9999 minimap_scroll_top: ScrollOffset,
10000 show_thumb: bool,
10001 ) -> Self {
10002 // The scrollbar thumb size is calculated as
10003 // (visible_content/total_content) Γ scrollbar_track_length.
10004 //
10005 // For the minimap's thumb layout, we leverage this by setting the
10006 // scrollbar track length to the entire document size (using minimap line
10007 // height). This creates a thumb that exactly represents the editor
10008 // viewport scaled to minimap proportions.
10009 //
10010 // We adjust the thumb position relative to `minimap_scroll_top` to
10011 // accommodate for the deliberately oversized track.
10012 //
10013 // This approach ensures that the minimap thumb accurately reflects the
10014 // editor's current scroll position whilst nicely synchronizing the minimap
10015 // thumb and scrollbar thumb.
10016 let scroll_range = total_editor_lines * f64::from(minimap_line_height);
10017 let viewport_size = visible_lines * f64::from(minimap_line_height);
10018
10019 let track_top_offset = -minimap_scroll_top * f64::from(minimap_line_height);
10020
10021 Self::new_with_hitbox_and_track_length(
10022 minimap_track_hitbox,
10023 Pixels::from(scroll_range),
10024 Pixels::from(viewport_size),
10025 scroll_range,
10026 minimap_line_height,
10027 track_top_offset,
10028 scroll_position,
10029 show_thumb,
10030 ScrollbarAxis::Vertical,
10031 )
10032 }
10033
10034 fn new_with_hitbox_and_track_length(
10035 scrollbar_track_hitbox: Hitbox,
10036 track_length: Pixels,
10037 viewport_size: Pixels,
10038 scroll_range: f64,
10039 glyph_space: Pixels,
10040 content_offset: ScrollOffset,
10041 scroll_position: ScrollOffset,
10042 show_thumb: bool,
10043 axis: ScrollbarAxis,
10044 ) -> Self {
10045 let text_units_per_page = f64::from(viewport_size / glyph_space);
10046 let visible_range = scroll_position..scroll_position + text_units_per_page;
10047 let total_text_units = scroll_range / f64::from(glyph_space);
10048
10049 let thumb_percentage = text_units_per_page / total_text_units;
10050 let thumb_size = Pixels::from(ScrollOffset::from(track_length) * thumb_percentage)
10051 .max(ScrollbarLayout::MIN_THUMB_SIZE)
10052 .min(track_length);
10053
10054 let text_unit_divisor = (total_text_units - text_units_per_page).max(0.);
10055
10056 let content_larger_than_viewport = text_unit_divisor > 0.;
10057
10058 let text_unit_size = if content_larger_than_viewport {
10059 Pixels::from(ScrollOffset::from(track_length - thumb_size) / text_unit_divisor)
10060 } else {
10061 glyph_space
10062 };
10063
10064 let thumb_bounds = (show_thumb && content_larger_than_viewport).then(|| {
10065 Self::thumb_bounds(
10066 &scrollbar_track_hitbox,
10067 content_offset,
10068 visible_range.start,
10069 text_unit_size,
10070 thumb_size,
10071 axis,
10072 )
10073 });
10074
10075 ScrollbarLayout {
10076 hitbox: scrollbar_track_hitbox,
10077 visible_range,
10078 text_unit_size,
10079 thumb_bounds,
10080 thumb_state: Default::default(),
10081 }
10082 }
10083
10084 fn with_thumb_state(self, thumb_state: Option<ScrollbarThumbState>) -> Self {
10085 if let Some(thumb_state) = thumb_state {
10086 Self {
10087 thumb_state,
10088 ..self
10089 }
10090 } else {
10091 self
10092 }
10093 }
10094
10095 fn thumb_bounds(
10096 scrollbar_track: &Hitbox,
10097 content_offset: f64,
10098 visible_range_start: f64,
10099 text_unit_size: Pixels,
10100 thumb_size: Pixels,
10101 axis: ScrollbarAxis,
10102 ) -> Bounds<Pixels> {
10103 let thumb_origin = scrollbar_track.origin.apply_along(axis, |origin| {
10104 origin
10105 + Pixels::from(
10106 content_offset + visible_range_start * ScrollOffset::from(text_unit_size),
10107 )
10108 });
10109 Bounds::new(
10110 thumb_origin,
10111 scrollbar_track.size.apply_along(axis, |_| thumb_size),
10112 )
10113 }
10114
10115 fn thumb_hovered(&self, position: &gpui::Point<Pixels>) -> bool {
10116 self.thumb_bounds
10117 .is_some_and(|bounds| bounds.contains(position))
10118 }
10119
10120 fn marker_quads_for_ranges(
10121 &self,
10122 row_ranges: impl IntoIterator<Item = ColoredRange<DisplayRow>>,
10123 column: Option<usize>,
10124 ) -> Vec<PaintQuad> {
10125 struct MinMax {
10126 min: Pixels,
10127 max: Pixels,
10128 }
10129 let (x_range, height_limit) = if let Some(column) = column {
10130 let column_width = ((self.hitbox.size.width - Self::BORDER_WIDTH) / 3.0).floor();
10131 let start = Self::BORDER_WIDTH + (column as f32 * column_width);
10132 let end = start + column_width;
10133 (
10134 Range { start, end },
10135 MinMax {
10136 min: Self::MIN_MARKER_HEIGHT,
10137 max: px(f32::MAX),
10138 },
10139 )
10140 } else {
10141 (
10142 Range {
10143 start: Self::BORDER_WIDTH,
10144 end: self.hitbox.size.width,
10145 },
10146 MinMax {
10147 min: Self::LINE_MARKER_HEIGHT,
10148 max: Self::LINE_MARKER_HEIGHT,
10149 },
10150 )
10151 };
10152
10153 let row_to_y = |row: DisplayRow| row.as_f64() as f32 * self.text_unit_size;
10154 let mut pixel_ranges = row_ranges
10155 .into_iter()
10156 .map(|range| {
10157 let start_y = row_to_y(range.start);
10158 let end_y = row_to_y(range.end)
10159 + self
10160 .text_unit_size
10161 .max(height_limit.min)
10162 .min(height_limit.max);
10163 ColoredRange {
10164 start: start_y,
10165 end: end_y,
10166 color: range.color,
10167 }
10168 })
10169 .peekable();
10170
10171 let mut quads = Vec::new();
10172 while let Some(mut pixel_range) = pixel_ranges.next() {
10173 while let Some(next_pixel_range) = pixel_ranges.peek() {
10174 if pixel_range.end >= next_pixel_range.start - px(1.0)
10175 && pixel_range.color == next_pixel_range.color
10176 {
10177 pixel_range.end = next_pixel_range.end.max(pixel_range.end);
10178 pixel_ranges.next();
10179 } else {
10180 break;
10181 }
10182 }
10183
10184 let bounds = Bounds::from_corners(
10185 point(x_range.start, pixel_range.start),
10186 point(x_range.end, pixel_range.end),
10187 );
10188 quads.push(quad(
10189 bounds,
10190 Corners::default(),
10191 pixel_range.color,
10192 Edges::default(),
10193 Hsla::transparent_black(),
10194 BorderStyle::default(),
10195 ));
10196 }
10197
10198 quads
10199 }
10200}
10201
10202struct MinimapLayout {
10203 pub minimap: AnyElement,
10204 pub thumb_layout: ScrollbarLayout,
10205 pub minimap_scroll_top: ScrollOffset,
10206 pub minimap_line_height: Pixels,
10207 pub thumb_border_style: MinimapThumbBorder,
10208 pub max_scroll_top: ScrollOffset,
10209}
10210
10211impl MinimapLayout {
10212 /// The minimum width of the minimap in columns. If the minimap is smaller than this, it will be hidden.
10213 const MINIMAP_MIN_WIDTH_COLUMNS: f32 = 20.;
10214 /// The minimap width as a percentage of the editor width.
10215 const MINIMAP_WIDTH_PCT: f32 = 0.15;
10216 /// Calculates the scroll top offset the minimap editor has to have based on the
10217 /// current scroll progress.
10218 fn calculate_minimap_top_offset(
10219 document_lines: f64,
10220 visible_editor_lines: f64,
10221 visible_minimap_lines: f64,
10222 scroll_position: f64,
10223 ) -> ScrollOffset {
10224 let non_visible_document_lines = (document_lines - visible_editor_lines).max(0.);
10225 if non_visible_document_lines == 0. {
10226 0.
10227 } else {
10228 let scroll_percentage = (scroll_position / non_visible_document_lines).clamp(0., 1.);
10229 scroll_percentage * (document_lines - visible_minimap_lines).max(0.)
10230 }
10231 }
10232}
10233
10234struct CreaseTrailerLayout {
10235 element: AnyElement,
10236 bounds: Bounds<Pixels>,
10237}
10238
10239pub(crate) struct PositionMap {
10240 pub size: Size<Pixels>,
10241 pub line_height: Pixels,
10242 pub scroll_position: gpui::Point<ScrollOffset>,
10243 pub scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
10244 pub scroll_max: gpui::Point<ScrollOffset>,
10245 pub em_width: Pixels,
10246 pub em_advance: Pixels,
10247 pub visible_row_range: Range<DisplayRow>,
10248 pub line_layouts: Vec<LineWithInvisibles>,
10249 pub snapshot: EditorSnapshot,
10250 pub text_hitbox: Hitbox,
10251 pub gutter_hitbox: Hitbox,
10252 pub inline_blame_bounds: Option<(Bounds<Pixels>, BufferId, BlameEntry)>,
10253 pub display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
10254 pub diff_hunk_control_bounds: Vec<(DisplayRow, Bounds<Pixels>)>,
10255}
10256
10257#[derive(Debug, Copy, Clone)]
10258pub struct PointForPosition {
10259 pub previous_valid: DisplayPoint,
10260 pub next_valid: DisplayPoint,
10261 pub exact_unclipped: DisplayPoint,
10262 pub column_overshoot_after_line_end: u32,
10263}
10264
10265impl PointForPosition {
10266 pub fn as_valid(&self) -> Option<DisplayPoint> {
10267 if self.previous_valid == self.exact_unclipped && self.next_valid == self.exact_unclipped {
10268 Some(self.previous_valid)
10269 } else {
10270 None
10271 }
10272 }
10273
10274 pub fn intersects_selection(&self, selection: &Selection<DisplayPoint>) -> bool {
10275 let Some(valid_point) = self.as_valid() else {
10276 return false;
10277 };
10278 let range = selection.range();
10279
10280 let candidate_row = valid_point.row();
10281 let candidate_col = valid_point.column();
10282
10283 let start_row = range.start.row();
10284 let start_col = range.start.column();
10285 let end_row = range.end.row();
10286 let end_col = range.end.column();
10287
10288 if candidate_row < start_row || candidate_row > end_row {
10289 false
10290 } else if start_row == end_row {
10291 candidate_col >= start_col && candidate_col < end_col
10292 } else if candidate_row == start_row {
10293 candidate_col >= start_col
10294 } else if candidate_row == end_row {
10295 candidate_col < end_col
10296 } else {
10297 true
10298 }
10299 }
10300}
10301
10302impl PositionMap {
10303 pub(crate) fn point_for_position(&self, position: gpui::Point<Pixels>) -> PointForPosition {
10304 let text_bounds = self.text_hitbox.bounds;
10305 let scroll_position = self.snapshot.scroll_position();
10306 let position = position - text_bounds.origin;
10307 let y = position.y.max(px(0.)).min(self.size.height);
10308 let x = position.x + (scroll_position.x as f32 * self.em_advance);
10309 let row = ((y / self.line_height) as f64 + scroll_position.y) as u32;
10310
10311 let (column, x_overshoot_after_line_end) = if let Some(line) = self
10312 .line_layouts
10313 .get(row as usize - scroll_position.y as usize)
10314 {
10315 if let Some(ix) = line.index_for_x(x) {
10316 (ix as u32, px(0.))
10317 } else {
10318 (line.len as u32, px(0.).max(x - line.width))
10319 }
10320 } else {
10321 (0, x)
10322 };
10323
10324 let mut exact_unclipped = DisplayPoint::new(DisplayRow(row), column);
10325 let previous_valid = self.snapshot.clip_point(exact_unclipped, Bias::Left);
10326 let next_valid = self.snapshot.clip_point(exact_unclipped, Bias::Right);
10327
10328 let column_overshoot_after_line_end = (x_overshoot_after_line_end / self.em_advance) as u32;
10329 *exact_unclipped.column_mut() += column_overshoot_after_line_end;
10330 PointForPosition {
10331 previous_valid,
10332 next_valid,
10333 exact_unclipped,
10334 column_overshoot_after_line_end,
10335 }
10336 }
10337}
10338
10339struct BlockLayout {
10340 id: BlockId,
10341 x_offset: Pixels,
10342 row: Option<DisplayRow>,
10343 element: AnyElement,
10344 available_space: Size<AvailableSpace>,
10345 style: BlockStyle,
10346 overlaps_gutter: bool,
10347 is_buffer_header: bool,
10348}
10349
10350pub fn layout_line(
10351 row: DisplayRow,
10352 snapshot: &EditorSnapshot,
10353 style: &EditorStyle,
10354 text_width: Pixels,
10355 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
10356 window: &mut Window,
10357 cx: &mut App,
10358) -> LineWithInvisibles {
10359 let chunks = snapshot.highlighted_chunks(row..row + DisplayRow(1), true, style);
10360 LineWithInvisibles::from_chunks(
10361 chunks,
10362 style,
10363 MAX_LINE_LEN,
10364 1,
10365 &snapshot.mode,
10366 text_width,
10367 is_row_soft_wrapped,
10368 &[],
10369 window,
10370 cx,
10371 )
10372 .pop()
10373 .unwrap()
10374}
10375
10376#[derive(Debug)]
10377pub struct IndentGuideLayout {
10378 origin: gpui::Point<Pixels>,
10379 length: Pixels,
10380 single_indent_width: Pixels,
10381 depth: u32,
10382 active: bool,
10383 settings: IndentGuideSettings,
10384}
10385
10386pub struct CursorLayout {
10387 origin: gpui::Point<Pixels>,
10388 block_width: Pixels,
10389 line_height: Pixels,
10390 color: Hsla,
10391 shape: CursorShape,
10392 block_text: Option<ShapedLine>,
10393 cursor_name: Option<AnyElement>,
10394}
10395
10396#[derive(Debug)]
10397pub struct CursorName {
10398 string: SharedString,
10399 color: Hsla,
10400 is_top_row: bool,
10401}
10402
10403impl CursorLayout {
10404 pub fn new(
10405 origin: gpui::Point<Pixels>,
10406 block_width: Pixels,
10407 line_height: Pixels,
10408 color: Hsla,
10409 shape: CursorShape,
10410 block_text: Option<ShapedLine>,
10411 ) -> CursorLayout {
10412 CursorLayout {
10413 origin,
10414 block_width,
10415 line_height,
10416 color,
10417 shape,
10418 block_text,
10419 cursor_name: None,
10420 }
10421 }
10422
10423 pub fn bounding_rect(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10424 Bounds {
10425 origin: self.origin + origin,
10426 size: size(self.block_width, self.line_height),
10427 }
10428 }
10429
10430 fn bounds(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10431 match self.shape {
10432 CursorShape::Bar => Bounds {
10433 origin: self.origin + origin,
10434 size: size(px(2.0), self.line_height),
10435 },
10436 CursorShape::Block | CursorShape::Hollow => Bounds {
10437 origin: self.origin + origin,
10438 size: size(self.block_width, self.line_height),
10439 },
10440 CursorShape::Underline => Bounds {
10441 origin: self.origin
10442 + origin
10443 + gpui::Point::new(Pixels::ZERO, self.line_height - px(2.0)),
10444 size: size(self.block_width, px(2.0)),
10445 },
10446 }
10447 }
10448
10449 pub fn layout(
10450 &mut self,
10451 origin: gpui::Point<Pixels>,
10452 cursor_name: Option<CursorName>,
10453 window: &mut Window,
10454 cx: &mut App,
10455 ) {
10456 if let Some(cursor_name) = cursor_name {
10457 let bounds = self.bounds(origin);
10458 let text_size = self.line_height / 1.5;
10459
10460 let name_origin = if cursor_name.is_top_row {
10461 point(bounds.right() - px(1.), bounds.top())
10462 } else {
10463 match self.shape {
10464 CursorShape::Bar => point(
10465 bounds.right() - px(2.),
10466 bounds.top() - text_size / 2. - px(1.),
10467 ),
10468 _ => point(
10469 bounds.right() - px(1.),
10470 bounds.top() - text_size / 2. - px(1.),
10471 ),
10472 }
10473 };
10474 let mut name_element = div()
10475 .bg(self.color)
10476 .text_size(text_size)
10477 .px_0p5()
10478 .line_height(text_size + px(2.))
10479 .text_color(cursor_name.color)
10480 .child(cursor_name.string)
10481 .into_any_element();
10482
10483 name_element.prepaint_as_root(name_origin, AvailableSpace::min_size(), window, cx);
10484
10485 self.cursor_name = Some(name_element);
10486 }
10487 }
10488
10489 pub fn paint(&mut self, origin: gpui::Point<Pixels>, window: &mut Window, cx: &mut App) {
10490 let bounds = self.bounds(origin);
10491
10492 //Draw background or border quad
10493 let cursor = if matches!(self.shape, CursorShape::Hollow) {
10494 outline(bounds, self.color, BorderStyle::Solid)
10495 } else {
10496 fill(bounds, self.color)
10497 };
10498
10499 if let Some(name) = &mut self.cursor_name {
10500 name.paint(window, cx);
10501 }
10502
10503 window.paint_quad(cursor);
10504
10505 if let Some(block_text) = &self.block_text {
10506 block_text
10507 .paint(self.origin + origin, self.line_height, window, cx)
10508 .log_err();
10509 }
10510 }
10511
10512 pub fn shape(&self) -> CursorShape {
10513 self.shape
10514 }
10515}
10516
10517#[derive(Debug)]
10518pub struct HighlightedRange {
10519 pub start_y: Pixels,
10520 pub line_height: Pixels,
10521 pub lines: Vec<HighlightedRangeLine>,
10522 pub color: Hsla,
10523 pub corner_radius: Pixels,
10524}
10525
10526#[derive(Debug)]
10527pub struct HighlightedRangeLine {
10528 pub start_x: Pixels,
10529 pub end_x: Pixels,
10530}
10531
10532impl HighlightedRange {
10533 pub fn paint(&self, fill: bool, bounds: Bounds<Pixels>, window: &mut Window) {
10534 if self.lines.len() >= 2 && self.lines[0].start_x > self.lines[1].end_x {
10535 self.paint_lines(self.start_y, &self.lines[0..1], fill, bounds, window);
10536 self.paint_lines(
10537 self.start_y + self.line_height,
10538 &self.lines[1..],
10539 fill,
10540 bounds,
10541 window,
10542 );
10543 } else {
10544 self.paint_lines(self.start_y, &self.lines, fill, bounds, window);
10545 }
10546 }
10547
10548 fn paint_lines(
10549 &self,
10550 start_y: Pixels,
10551 lines: &[HighlightedRangeLine],
10552 fill: bool,
10553 _bounds: Bounds<Pixels>,
10554 window: &mut Window,
10555 ) {
10556 if lines.is_empty() {
10557 return;
10558 }
10559
10560 let first_line = lines.first().unwrap();
10561 let last_line = lines.last().unwrap();
10562
10563 let first_top_left = point(first_line.start_x, start_y);
10564 let first_top_right = point(first_line.end_x, start_y);
10565
10566 let curve_height = point(Pixels::ZERO, self.corner_radius);
10567 let curve_width = |start_x: Pixels, end_x: Pixels| {
10568 let max = (end_x - start_x) / 2.;
10569 let width = if max < self.corner_radius {
10570 max
10571 } else {
10572 self.corner_radius
10573 };
10574
10575 point(width, Pixels::ZERO)
10576 };
10577
10578 let top_curve_width = curve_width(first_line.start_x, first_line.end_x);
10579 let mut builder = if fill {
10580 gpui::PathBuilder::fill()
10581 } else {
10582 gpui::PathBuilder::stroke(px(1.))
10583 };
10584 builder.move_to(first_top_right - top_curve_width);
10585 builder.curve_to(first_top_right + curve_height, first_top_right);
10586
10587 let mut iter = lines.iter().enumerate().peekable();
10588 while let Some((ix, line)) = iter.next() {
10589 let bottom_right = point(line.end_x, start_y + (ix + 1) as f32 * self.line_height);
10590
10591 if let Some((_, next_line)) = iter.peek() {
10592 let next_top_right = point(next_line.end_x, bottom_right.y);
10593
10594 match next_top_right.x.partial_cmp(&bottom_right.x).unwrap() {
10595 Ordering::Equal => {
10596 builder.line_to(bottom_right);
10597 }
10598 Ordering::Less => {
10599 let curve_width = curve_width(next_top_right.x, bottom_right.x);
10600 builder.line_to(bottom_right - curve_height);
10601 if self.corner_radius > Pixels::ZERO {
10602 builder.curve_to(bottom_right - curve_width, bottom_right);
10603 }
10604 builder.line_to(next_top_right + curve_width);
10605 if self.corner_radius > Pixels::ZERO {
10606 builder.curve_to(next_top_right + curve_height, next_top_right);
10607 }
10608 }
10609 Ordering::Greater => {
10610 let curve_width = curve_width(bottom_right.x, next_top_right.x);
10611 builder.line_to(bottom_right - curve_height);
10612 if self.corner_radius > Pixels::ZERO {
10613 builder.curve_to(bottom_right + curve_width, bottom_right);
10614 }
10615 builder.line_to(next_top_right - curve_width);
10616 if self.corner_radius > Pixels::ZERO {
10617 builder.curve_to(next_top_right + curve_height, next_top_right);
10618 }
10619 }
10620 }
10621 } else {
10622 let curve_width = curve_width(line.start_x, line.end_x);
10623 builder.line_to(bottom_right - curve_height);
10624 if self.corner_radius > Pixels::ZERO {
10625 builder.curve_to(bottom_right - curve_width, bottom_right);
10626 }
10627
10628 let bottom_left = point(line.start_x, bottom_right.y);
10629 builder.line_to(bottom_left + curve_width);
10630 if self.corner_radius > Pixels::ZERO {
10631 builder.curve_to(bottom_left - curve_height, bottom_left);
10632 }
10633 }
10634 }
10635
10636 if first_line.start_x > last_line.start_x {
10637 let curve_width = curve_width(last_line.start_x, first_line.start_x);
10638 let second_top_left = point(last_line.start_x, start_y + self.line_height);
10639 builder.line_to(second_top_left + curve_height);
10640 if self.corner_radius > Pixels::ZERO {
10641 builder.curve_to(second_top_left + curve_width, second_top_left);
10642 }
10643 let first_bottom_left = point(first_line.start_x, second_top_left.y);
10644 builder.line_to(first_bottom_left - curve_width);
10645 if self.corner_radius > Pixels::ZERO {
10646 builder.curve_to(first_bottom_left - curve_height, first_bottom_left);
10647 }
10648 }
10649
10650 builder.line_to(first_top_left + curve_height);
10651 if self.corner_radius > Pixels::ZERO {
10652 builder.curve_to(first_top_left + top_curve_width, first_top_left);
10653 }
10654 builder.line_to(first_top_right - top_curve_width);
10655
10656 if let Ok(path) = builder.build() {
10657 window.paint_path(path, self.color);
10658 }
10659 }
10660}
10661
10662enum CursorPopoverType {
10663 CodeContextMenu,
10664 EditPrediction,
10665}
10666
10667pub fn scale_vertical_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10668 (delta.pow(1.2) / 100.0).min(px(3.0)).into()
10669}
10670
10671fn scale_horizontal_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10672 (delta.pow(1.2) / 300.0).into()
10673}
10674
10675pub fn register_action<T: Action>(
10676 editor: &Entity<Editor>,
10677 window: &mut Window,
10678 listener: impl Fn(&mut Editor, &T, &mut Window, &mut Context<Editor>) + 'static,
10679) {
10680 let editor = editor.clone();
10681 window.on_action(TypeId::of::<T>(), move |action, phase, window, cx| {
10682 let action = action.downcast_ref().unwrap();
10683 if phase == DispatchPhase::Bubble {
10684 editor.update(cx, |editor, cx| {
10685 listener(editor, action, window, cx);
10686 })
10687 }
10688 })
10689}
10690
10691fn compute_auto_height_layout(
10692 editor: &mut Editor,
10693 min_lines: usize,
10694 max_lines: Option<usize>,
10695 max_line_number_width: Pixels,
10696 known_dimensions: Size<Option<Pixels>>,
10697 available_width: AvailableSpace,
10698 window: &mut Window,
10699 cx: &mut Context<Editor>,
10700) -> Option<Size<Pixels>> {
10701 let width = known_dimensions.width.or({
10702 if let AvailableSpace::Definite(available_width) = available_width {
10703 Some(available_width)
10704 } else {
10705 None
10706 }
10707 })?;
10708 if let Some(height) = known_dimensions.height {
10709 return Some(size(width, height));
10710 }
10711
10712 let style = editor.style.as_ref().unwrap();
10713 let font_id = window.text_system().resolve_font(&style.text.font());
10714 let font_size = style.text.font_size.to_pixels(window.rem_size());
10715 let line_height = style.text.line_height_in_pixels(window.rem_size());
10716 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
10717
10718 let mut snapshot = editor.snapshot(window, cx);
10719 let gutter_dimensions = snapshot
10720 .gutter_dimensions(font_id, font_size, max_line_number_width, cx)
10721 .or_else(|| {
10722 editor
10723 .offset_content
10724 .then(|| GutterDimensions::default_with_margin(font_id, font_size, cx))
10725 })
10726 .unwrap_or_default();
10727
10728 editor.gutter_dimensions = gutter_dimensions;
10729 let text_width = width - gutter_dimensions.width;
10730 let overscroll = size(em_width, px(0.));
10731
10732 let editor_width = text_width - gutter_dimensions.margin - overscroll.width - em_width;
10733 if !matches!(editor.soft_wrap_mode(cx), SoftWrap::None)
10734 && editor.set_wrap_width(Some(editor_width), cx)
10735 {
10736 snapshot = editor.snapshot(window, cx);
10737 }
10738
10739 let scroll_height = (snapshot.max_point().row().next_row().0 as f32) * line_height;
10740
10741 let min_height = line_height * min_lines as f32;
10742 let content_height = scroll_height.max(min_height);
10743
10744 let final_height = if let Some(max_lines) = max_lines {
10745 let max_height = line_height * max_lines as f32;
10746 content_height.min(max_height)
10747 } else {
10748 content_height
10749 };
10750
10751 Some(size(width, final_height))
10752}
10753
10754#[cfg(test)]
10755mod tests {
10756 use super::*;
10757 use crate::{
10758 Editor, MultiBuffer, SelectionEffects,
10759 display_map::{BlockPlacement, BlockProperties},
10760 editor_tests::{init_test, update_test_language_settings},
10761 };
10762 use gpui::{TestAppContext, VisualTestContext};
10763 use language::language_settings;
10764 use log::info;
10765 use std::num::NonZeroU32;
10766 use util::test::sample_text;
10767
10768 #[gpui::test]
10769 async fn test_soft_wrap_editor_width_auto_height_editor(cx: &mut TestAppContext) {
10770 init_test(cx, |_| {});
10771
10772 let window = cx.add_window(|window, cx| {
10773 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10774 let mut editor = Editor::new(
10775 EditorMode::AutoHeight {
10776 min_lines: 1,
10777 max_lines: None,
10778 },
10779 buffer,
10780 None,
10781 window,
10782 cx,
10783 );
10784 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10785 editor
10786 });
10787 let cx = &mut VisualTestContext::from_window(*window, cx);
10788 let editor = window.root(cx).unwrap();
10789 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10790
10791 for x in 1..=100 {
10792 let (_, state) = cx.draw(
10793 Default::default(),
10794 size(px(200. + 0.13 * x as f32), px(500.)),
10795 |_, _| EditorElement::new(&editor, style.clone()),
10796 );
10797
10798 assert!(
10799 state.position_map.scroll_max.x == 0.,
10800 "Soft wrapped editor should have no horizontal scrolling!"
10801 );
10802 }
10803 }
10804
10805 #[gpui::test]
10806 async fn test_soft_wrap_editor_width_full_editor(cx: &mut TestAppContext) {
10807 init_test(cx, |_| {});
10808
10809 let window = cx.add_window(|window, cx| {
10810 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10811 let mut editor = Editor::new(EditorMode::full(), buffer, None, window, cx);
10812 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10813 editor
10814 });
10815 let cx = &mut VisualTestContext::from_window(*window, cx);
10816 let editor = window.root(cx).unwrap();
10817 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10818
10819 for x in 1..=100 {
10820 let (_, state) = cx.draw(
10821 Default::default(),
10822 size(px(200. + 0.13 * x as f32), px(500.)),
10823 |_, _| EditorElement::new(&editor, style.clone()),
10824 );
10825
10826 assert!(
10827 state.position_map.scroll_max.x == 0.,
10828 "Soft wrapped editor should have no horizontal scrolling!"
10829 );
10830 }
10831 }
10832
10833 #[gpui::test]
10834 fn test_shape_line_numbers(cx: &mut TestAppContext) {
10835 init_test(cx, |_| {});
10836 let window = cx.add_window(|window, cx| {
10837 let buffer = MultiBuffer::build_simple(&sample_text(6, 6, 'a'), cx);
10838 Editor::new(EditorMode::full(), buffer, None, window, cx)
10839 });
10840
10841 let editor = window.root(cx).unwrap();
10842 let style = cx.update(|cx| editor.read(cx).style().unwrap().clone());
10843 let line_height = window
10844 .update(cx, |_, window, _| {
10845 style.text.line_height_in_pixels(window.rem_size())
10846 })
10847 .unwrap();
10848 let element = EditorElement::new(&editor, style);
10849 let snapshot = window
10850 .update(cx, |editor, window, cx| editor.snapshot(window, cx))
10851 .unwrap();
10852
10853 let layouts = cx
10854 .update_window(*window, |_, window, cx| {
10855 element.layout_line_numbers(
10856 None,
10857 GutterDimensions {
10858 left_padding: Pixels::ZERO,
10859 right_padding: Pixels::ZERO,
10860 width: px(30.0),
10861 margin: Pixels::ZERO,
10862 git_blame_entries_width: None,
10863 },
10864 line_height,
10865 gpui::Point::default(),
10866 DisplayRow(0)..DisplayRow(6),
10867 &(0..6)
10868 .map(|row| RowInfo {
10869 buffer_row: Some(row),
10870 ..Default::default()
10871 })
10872 .collect::<Vec<_>>(),
10873 &BTreeMap::default(),
10874 Some(DisplayPoint::new(DisplayRow(0), 0)),
10875 &snapshot,
10876 window,
10877 cx,
10878 )
10879 })
10880 .unwrap();
10881 assert_eq!(layouts.len(), 6);
10882
10883 let relative_rows = window
10884 .update(cx, |editor, window, cx| {
10885 let snapshot = editor.snapshot(window, cx);
10886 element.calculate_relative_line_numbers(
10887 &snapshot,
10888 &(DisplayRow(0)..DisplayRow(6)),
10889 Some(DisplayRow(3)),
10890 false,
10891 )
10892 })
10893 .unwrap();
10894 assert_eq!(relative_rows[&DisplayRow(0)], 3);
10895 assert_eq!(relative_rows[&DisplayRow(1)], 2);
10896 assert_eq!(relative_rows[&DisplayRow(2)], 1);
10897 // current line has no relative number
10898 assert_eq!(relative_rows[&DisplayRow(4)], 1);
10899 assert_eq!(relative_rows[&DisplayRow(5)], 2);
10900
10901 // works if cursor is before screen
10902 let relative_rows = window
10903 .update(cx, |editor, window, cx| {
10904 let snapshot = editor.snapshot(window, cx);
10905 element.calculate_relative_line_numbers(
10906 &snapshot,
10907 &(DisplayRow(3)..DisplayRow(6)),
10908 Some(DisplayRow(1)),
10909 false,
10910 )
10911 })
10912 .unwrap();
10913 assert_eq!(relative_rows.len(), 3);
10914 assert_eq!(relative_rows[&DisplayRow(3)], 2);
10915 assert_eq!(relative_rows[&DisplayRow(4)], 3);
10916 assert_eq!(relative_rows[&DisplayRow(5)], 4);
10917
10918 // works if cursor is after screen
10919 let relative_rows = window
10920 .update(cx, |editor, window, cx| {
10921 let snapshot = editor.snapshot(window, cx);
10922 element.calculate_relative_line_numbers(
10923 &snapshot,
10924 &(DisplayRow(0)..DisplayRow(3)),
10925 Some(DisplayRow(6)),
10926 false,
10927 )
10928 })
10929 .unwrap();
10930 assert_eq!(relative_rows.len(), 3);
10931 assert_eq!(relative_rows[&DisplayRow(0)], 5);
10932 assert_eq!(relative_rows[&DisplayRow(1)], 4);
10933 assert_eq!(relative_rows[&DisplayRow(2)], 3);
10934 }
10935
10936 #[gpui::test]
10937 fn test_shape_line_numbers_wrapping(cx: &mut TestAppContext) {
10938 init_test(cx, |_| {});
10939 let window = cx.add_window(|window, cx| {
10940 let buffer = MultiBuffer::build_simple(&sample_text(6, 6, 'a'), cx);
10941 Editor::new(EditorMode::full(), buffer, None, window, cx)
10942 });
10943
10944 update_test_language_settings(cx, |s| {
10945 s.defaults.preferred_line_length = Some(5 as u32);
10946 s.defaults.soft_wrap = Some(language_settings::SoftWrap::PreferredLineLength);
10947 });
10948
10949 let editor = window.root(cx).unwrap();
10950 let style = cx.update(|cx| editor.read(cx).style().unwrap().clone());
10951 let line_height = window
10952 .update(cx, |_, window, _| {
10953 style.text.line_height_in_pixels(window.rem_size())
10954 })
10955 .unwrap();
10956 let element = EditorElement::new(&editor, style);
10957 let snapshot = window
10958 .update(cx, |editor, window, cx| editor.snapshot(window, cx))
10959 .unwrap();
10960
10961 let layouts = cx
10962 .update_window(*window, |_, window, cx| {
10963 element.layout_line_numbers(
10964 None,
10965 GutterDimensions {
10966 left_padding: Pixels::ZERO,
10967 right_padding: Pixels::ZERO,
10968 width: px(30.0),
10969 margin: Pixels::ZERO,
10970 git_blame_entries_width: None,
10971 },
10972 line_height,
10973 gpui::Point::default(),
10974 DisplayRow(0)..DisplayRow(6),
10975 &(0..6)
10976 .map(|row| RowInfo {
10977 buffer_row: Some(row),
10978 ..Default::default()
10979 })
10980 .collect::<Vec<_>>(),
10981 &BTreeMap::default(),
10982 Some(DisplayPoint::new(DisplayRow(0), 0)),
10983 &snapshot,
10984 window,
10985 cx,
10986 )
10987 })
10988 .unwrap();
10989 assert_eq!(layouts.len(), 6);
10990
10991 let relative_rows = window
10992 .update(cx, |editor, window, cx| {
10993 let snapshot = editor.snapshot(window, cx);
10994 element.calculate_relative_line_numbers(
10995 &snapshot,
10996 &(DisplayRow(0)..DisplayRow(6)),
10997 Some(DisplayRow(3)),
10998 true,
10999 )
11000 })
11001 .unwrap();
11002 dbg!(&relative_rows);
11003 assert_eq!(relative_rows[&DisplayRow(0)], 3);
11004 assert_eq!(relative_rows[&DisplayRow(1)], 2);
11005 assert_eq!(relative_rows[&DisplayRow(2)], 1);
11006 // current line has no relative number
11007 assert_eq!(relative_rows[&DisplayRow(4)], 1);
11008 assert_eq!(relative_rows[&DisplayRow(5)], 2);
11009 }
11010
11011 #[gpui::test]
11012 async fn test_vim_visual_selections(cx: &mut TestAppContext) {
11013 init_test(cx, |_| {});
11014
11015 let window = cx.add_window(|window, cx| {
11016 let buffer = MultiBuffer::build_simple(&(sample_text(6, 6, 'a') + "\n"), cx);
11017 Editor::new(EditorMode::full(), buffer, None, window, cx)
11018 });
11019 let cx = &mut VisualTestContext::from_window(*window, cx);
11020 let editor = window.root(cx).unwrap();
11021 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
11022
11023 window
11024 .update(cx, |editor, window, cx| {
11025 editor.cursor_shape = CursorShape::Block;
11026 editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
11027 s.select_ranges([
11028 Point::new(0, 0)..Point::new(1, 0),
11029 Point::new(3, 2)..Point::new(3, 3),
11030 Point::new(5, 6)..Point::new(6, 0),
11031 ]);
11032 });
11033 })
11034 .unwrap();
11035
11036 let (_, state) = cx.draw(
11037 point(px(500.), px(500.)),
11038 size(px(500.), px(500.)),
11039 |_, _| EditorElement::new(&editor, style),
11040 );
11041
11042 assert_eq!(state.selections.len(), 1);
11043 let local_selections = &state.selections[0].1;
11044 assert_eq!(local_selections.len(), 3);
11045 // moves cursor back one line
11046 assert_eq!(
11047 local_selections[0].head,
11048 DisplayPoint::new(DisplayRow(0), 6)
11049 );
11050 assert_eq!(
11051 local_selections[0].range,
11052 DisplayPoint::new(DisplayRow(0), 0)..DisplayPoint::new(DisplayRow(1), 0)
11053 );
11054
11055 // moves cursor back one column
11056 assert_eq!(
11057 local_selections[1].range,
11058 DisplayPoint::new(DisplayRow(3), 2)..DisplayPoint::new(DisplayRow(3), 3)
11059 );
11060 assert_eq!(
11061 local_selections[1].head,
11062 DisplayPoint::new(DisplayRow(3), 2)
11063 );
11064
11065 // leaves cursor on the max point
11066 assert_eq!(
11067 local_selections[2].range,
11068 DisplayPoint::new(DisplayRow(5), 6)..DisplayPoint::new(DisplayRow(6), 0)
11069 );
11070 assert_eq!(
11071 local_selections[2].head,
11072 DisplayPoint::new(DisplayRow(6), 0)
11073 );
11074
11075 // active lines does not include 1 (even though the range of the selection does)
11076 assert_eq!(
11077 state.active_rows.keys().cloned().collect::<Vec<_>>(),
11078 vec![DisplayRow(0), DisplayRow(3), DisplayRow(5), DisplayRow(6)]
11079 );
11080 }
11081
11082 #[gpui::test]
11083 fn test_layout_with_placeholder_text_and_blocks(cx: &mut TestAppContext) {
11084 init_test(cx, |_| {});
11085
11086 let window = cx.add_window(|window, cx| {
11087 let buffer = MultiBuffer::build_simple("", cx);
11088 Editor::new(EditorMode::full(), buffer, None, window, cx)
11089 });
11090 let cx = &mut VisualTestContext::from_window(*window, cx);
11091 let editor = window.root(cx).unwrap();
11092 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
11093 window
11094 .update(cx, |editor, window, cx| {
11095 editor.set_placeholder_text("hello", window, cx);
11096 editor.insert_blocks(
11097 [BlockProperties {
11098 style: BlockStyle::Fixed,
11099 placement: BlockPlacement::Above(Anchor::min()),
11100 height: Some(3),
11101 render: Arc::new(|cx| div().h(3. * cx.window.line_height()).into_any()),
11102 priority: 0,
11103 }],
11104 None,
11105 cx,
11106 );
11107
11108 // Blur the editor so that it displays placeholder text.
11109 window.blur();
11110 })
11111 .unwrap();
11112
11113 let (_, state) = cx.draw(
11114 point(px(500.), px(500.)),
11115 size(px(500.), px(500.)),
11116 |_, _| EditorElement::new(&editor, style),
11117 );
11118 assert_eq!(state.position_map.line_layouts.len(), 4);
11119 assert_eq!(state.line_numbers.len(), 1);
11120 assert_eq!(
11121 state
11122 .line_numbers
11123 .get(&MultiBufferRow(0))
11124 .map(|line_number| line_number.shaped_line.text.as_ref()),
11125 Some("1")
11126 );
11127 }
11128
11129 #[gpui::test]
11130 fn test_all_invisibles_drawing(cx: &mut TestAppContext) {
11131 const TAB_SIZE: u32 = 4;
11132
11133 let input_text = "\t \t|\t| a b";
11134 let expected_invisibles = vec![
11135 Invisible::Tab {
11136 line_start_offset: 0,
11137 line_end_offset: TAB_SIZE as usize,
11138 },
11139 Invisible::Whitespace {
11140 line_offset: TAB_SIZE as usize,
11141 },
11142 Invisible::Tab {
11143 line_start_offset: TAB_SIZE as usize + 1,
11144 line_end_offset: TAB_SIZE as usize * 2,
11145 },
11146 Invisible::Tab {
11147 line_start_offset: TAB_SIZE as usize * 2 + 1,
11148 line_end_offset: TAB_SIZE as usize * 3,
11149 },
11150 Invisible::Whitespace {
11151 line_offset: TAB_SIZE as usize * 3 + 1,
11152 },
11153 Invisible::Whitespace {
11154 line_offset: TAB_SIZE as usize * 3 + 3,
11155 },
11156 ];
11157 assert_eq!(
11158 expected_invisibles.len(),
11159 input_text
11160 .chars()
11161 .filter(|initial_char| initial_char.is_whitespace())
11162 .count(),
11163 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
11164 );
11165
11166 for show_line_numbers in [true, false] {
11167 init_test(cx, |s| {
11168 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11169 s.defaults.tab_size = NonZeroU32::new(TAB_SIZE);
11170 });
11171
11172 let actual_invisibles = collect_invisibles_from_new_editor(
11173 cx,
11174 EditorMode::full(),
11175 input_text,
11176 px(500.0),
11177 show_line_numbers,
11178 );
11179
11180 assert_eq!(expected_invisibles, actual_invisibles);
11181 }
11182 }
11183
11184 #[gpui::test]
11185 fn test_invisibles_dont_appear_in_certain_editors(cx: &mut TestAppContext) {
11186 init_test(cx, |s| {
11187 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11188 s.defaults.tab_size = NonZeroU32::new(4);
11189 });
11190
11191 for editor_mode_without_invisibles in [
11192 EditorMode::SingleLine,
11193 EditorMode::AutoHeight {
11194 min_lines: 1,
11195 max_lines: Some(100),
11196 },
11197 ] {
11198 for show_line_numbers in [true, false] {
11199 let invisibles = collect_invisibles_from_new_editor(
11200 cx,
11201 editor_mode_without_invisibles.clone(),
11202 "\t\t\t| | a b",
11203 px(500.0),
11204 show_line_numbers,
11205 );
11206 assert!(
11207 invisibles.is_empty(),
11208 "For editor mode {editor_mode_without_invisibles:?} no invisibles was expected but got {invisibles:?}"
11209 );
11210 }
11211 }
11212 }
11213
11214 #[gpui::test]
11215 fn test_wrapped_invisibles_drawing(cx: &mut TestAppContext) {
11216 let tab_size = 4;
11217 let input_text = "a\tbcd ".repeat(9);
11218 let repeated_invisibles = [
11219 Invisible::Tab {
11220 line_start_offset: 1,
11221 line_end_offset: tab_size as usize,
11222 },
11223 Invisible::Whitespace {
11224 line_offset: tab_size as usize + 3,
11225 },
11226 Invisible::Whitespace {
11227 line_offset: tab_size as usize + 4,
11228 },
11229 Invisible::Whitespace {
11230 line_offset: tab_size as usize + 5,
11231 },
11232 Invisible::Whitespace {
11233 line_offset: tab_size as usize + 6,
11234 },
11235 Invisible::Whitespace {
11236 line_offset: tab_size as usize + 7,
11237 },
11238 ];
11239 let expected_invisibles = std::iter::once(repeated_invisibles)
11240 .cycle()
11241 .take(9)
11242 .flatten()
11243 .collect::<Vec<_>>();
11244 assert_eq!(
11245 expected_invisibles.len(),
11246 input_text
11247 .chars()
11248 .filter(|initial_char| initial_char.is_whitespace())
11249 .count(),
11250 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
11251 );
11252 info!("Expected invisibles: {expected_invisibles:?}");
11253
11254 init_test(cx, |_| {});
11255
11256 // Put the same string with repeating whitespace pattern into editors of various size,
11257 // take deliberately small steps during resizing, to put all whitespace kinds near the wrap point.
11258 let resize_step = 10.0;
11259 let mut editor_width = 200.0;
11260 while editor_width <= 1000.0 {
11261 for show_line_numbers in [true, false] {
11262 update_test_language_settings(cx, |s| {
11263 s.defaults.tab_size = NonZeroU32::new(tab_size);
11264 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11265 s.defaults.preferred_line_length = Some(editor_width as u32);
11266 s.defaults.soft_wrap = Some(language_settings::SoftWrap::PreferredLineLength);
11267 });
11268
11269 let actual_invisibles = collect_invisibles_from_new_editor(
11270 cx,
11271 EditorMode::full(),
11272 &input_text,
11273 px(editor_width),
11274 show_line_numbers,
11275 );
11276
11277 // Whatever the editor size is, ensure it has the same invisible kinds in the same order
11278 // (no good guarantees about the offsets: wrapping could trigger padding and its tests should check the offsets).
11279 let mut i = 0;
11280 for (actual_index, actual_invisible) in actual_invisibles.iter().enumerate() {
11281 i = actual_index;
11282 match expected_invisibles.get(i) {
11283 Some(expected_invisible) => match (expected_invisible, actual_invisible) {
11284 (Invisible::Whitespace { .. }, Invisible::Whitespace { .. })
11285 | (Invisible::Tab { .. }, Invisible::Tab { .. }) => {}
11286 _ => {
11287 panic!(
11288 "At index {i}, expected invisible {expected_invisible:?} does not match actual {actual_invisible:?} by kind. Actual invisibles: {actual_invisibles:?}"
11289 )
11290 }
11291 },
11292 None => {
11293 panic!("Unexpected extra invisible {actual_invisible:?} at index {i}")
11294 }
11295 }
11296 }
11297 let missing_expected_invisibles = &expected_invisibles[i + 1..];
11298 assert!(
11299 missing_expected_invisibles.is_empty(),
11300 "Missing expected invisibles after index {i}: {missing_expected_invisibles:?}"
11301 );
11302
11303 editor_width += resize_step;
11304 }
11305 }
11306 }
11307
11308 fn collect_invisibles_from_new_editor(
11309 cx: &mut TestAppContext,
11310 editor_mode: EditorMode,
11311 input_text: &str,
11312 editor_width: Pixels,
11313 show_line_numbers: bool,
11314 ) -> Vec<Invisible> {
11315 info!(
11316 "Creating editor with mode {editor_mode:?}, width {}px and text '{input_text}'",
11317 f32::from(editor_width)
11318 );
11319 let window = cx.add_window(|window, cx| {
11320 let buffer = MultiBuffer::build_simple(input_text, cx);
11321 Editor::new(editor_mode, buffer, None, window, cx)
11322 });
11323 let cx = &mut VisualTestContext::from_window(*window, cx);
11324 let editor = window.root(cx).unwrap();
11325
11326 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
11327 window
11328 .update(cx, |editor, _, cx| {
11329 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
11330 editor.set_wrap_width(Some(editor_width), cx);
11331 editor.set_show_line_numbers(show_line_numbers, cx);
11332 })
11333 .unwrap();
11334 let (_, state) = cx.draw(
11335 point(px(500.), px(500.)),
11336 size(px(500.), px(500.)),
11337 |_, _| EditorElement::new(&editor, style),
11338 );
11339 state
11340 .position_map
11341 .line_layouts
11342 .iter()
11343 .flat_map(|line_with_invisibles| &line_with_invisibles.invisibles)
11344 .cloned()
11345 .collect()
11346 }
11347
11348 #[gpui::test]
11349 fn test_merge_overlapping_ranges() {
11350 let base_bg = Hsla::white();
11351 let color1 = Hsla {
11352 h: 0.0,
11353 s: 0.5,
11354 l: 0.5,
11355 a: 0.5,
11356 };
11357 let color2 = Hsla {
11358 h: 120.0,
11359 s: 0.5,
11360 l: 0.5,
11361 a: 0.5,
11362 };
11363
11364 let display_point = |col| DisplayPoint::new(DisplayRow(0), col);
11365 let cols = |v: &Vec<(Range<DisplayPoint>, Hsla)>| -> Vec<(u32, u32)> {
11366 v.iter()
11367 .map(|(r, _)| (r.start.column(), r.end.column()))
11368 .collect()
11369 };
11370
11371 // Test overlapping ranges blend colors
11372 let overlapping = vec![
11373 (display_point(5)..display_point(15), color1),
11374 (display_point(10)..display_point(20), color2),
11375 ];
11376 let result = EditorElement::merge_overlapping_ranges(overlapping, base_bg);
11377 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11378
11379 // Test middle segment should have blended color
11380 let blended = Hsla::blend(Hsla::blend(base_bg, color1), color2);
11381 assert_eq!(result[1].1, blended);
11382
11383 // Test adjacent same-color ranges merge
11384 let adjacent_same = vec![
11385 (display_point(5)..display_point(10), color1),
11386 (display_point(10)..display_point(15), color1),
11387 ];
11388 let result = EditorElement::merge_overlapping_ranges(adjacent_same, base_bg);
11389 assert_eq!(cols(&result), vec![(5, 15)]);
11390
11391 // Test contained range splits
11392 let contained = vec![
11393 (display_point(5)..display_point(20), color1),
11394 (display_point(10)..display_point(15), color2),
11395 ];
11396 let result = EditorElement::merge_overlapping_ranges(contained, base_bg);
11397 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11398
11399 // Test multiple overlaps split at every boundary
11400 let color3 = Hsla {
11401 h: 240.0,
11402 s: 0.5,
11403 l: 0.5,
11404 a: 0.5,
11405 };
11406 let complex = vec![
11407 (display_point(5)..display_point(12), color1),
11408 (display_point(8)..display_point(16), color2),
11409 (display_point(10)..display_point(14), color3),
11410 ];
11411 let result = EditorElement::merge_overlapping_ranges(complex, base_bg);
11412 assert_eq!(
11413 cols(&result),
11414 vec![(5, 8), (8, 10), (10, 12), (12, 14), (14, 16)]
11415 );
11416 }
11417
11418 #[gpui::test]
11419 fn test_bg_segments_per_row() {
11420 let base_bg = Hsla::white();
11421
11422 // Case A: selection spans three display rows: row 1 [5, end), full row 2, row 3 [0, 7)
11423 {
11424 let selection_color = Hsla {
11425 h: 200.0,
11426 s: 0.5,
11427 l: 0.5,
11428 a: 0.5,
11429 };
11430 let player_color = PlayerColor {
11431 cursor: selection_color,
11432 background: selection_color,
11433 selection: selection_color,
11434 };
11435
11436 let spanning_selection = SelectionLayout {
11437 head: DisplayPoint::new(DisplayRow(3), 7),
11438 cursor_shape: CursorShape::Bar,
11439 is_newest: true,
11440 is_local: true,
11441 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 7),
11442 active_rows: DisplayRow(1)..DisplayRow(4),
11443 user_name: None,
11444 };
11445
11446 let selections = vec![(player_color, vec![spanning_selection])];
11447 let result = EditorElement::bg_segments_per_row(
11448 DisplayRow(0)..DisplayRow(5),
11449 &selections,
11450 &[],
11451 base_bg,
11452 );
11453
11454 assert_eq!(result.len(), 5);
11455 assert!(result[0].is_empty());
11456 assert_eq!(result[1].len(), 1);
11457 assert_eq!(result[2].len(), 1);
11458 assert_eq!(result[3].len(), 1);
11459 assert!(result[4].is_empty());
11460
11461 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11462 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11463 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11464 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11465 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11466 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11467 assert_eq!(result[3][0].0.start, DisplayPoint::new(DisplayRow(3), 0));
11468 assert_eq!(result[3][0].0.end, DisplayPoint::new(DisplayRow(3), 7));
11469 }
11470
11471 // Case B: selection ends exactly at the start of row 3, excluding row 3
11472 {
11473 let selection_color = Hsla {
11474 h: 120.0,
11475 s: 0.5,
11476 l: 0.5,
11477 a: 0.5,
11478 };
11479 let player_color = PlayerColor {
11480 cursor: selection_color,
11481 background: selection_color,
11482 selection: selection_color,
11483 };
11484
11485 let selection = SelectionLayout {
11486 head: DisplayPoint::new(DisplayRow(2), 0),
11487 cursor_shape: CursorShape::Bar,
11488 is_newest: true,
11489 is_local: true,
11490 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 0),
11491 active_rows: DisplayRow(1)..DisplayRow(3),
11492 user_name: None,
11493 };
11494
11495 let selections = vec![(player_color, vec![selection])];
11496 let result = EditorElement::bg_segments_per_row(
11497 DisplayRow(0)..DisplayRow(4),
11498 &selections,
11499 &[],
11500 base_bg,
11501 );
11502
11503 assert_eq!(result.len(), 4);
11504 assert!(result[0].is_empty());
11505 assert_eq!(result[1].len(), 1);
11506 assert_eq!(result[2].len(), 1);
11507 assert!(result[3].is_empty());
11508
11509 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11510 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11511 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11512 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11513 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11514 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11515 }
11516 }
11517
11518 #[cfg(test)]
11519 fn generate_test_run(len: usize, color: Hsla) -> TextRun {
11520 TextRun {
11521 len,
11522 font: gpui::font(".SystemUIFont"),
11523 color,
11524 background_color: None,
11525 underline: None,
11526 strikethrough: None,
11527 }
11528 }
11529
11530 #[gpui::test]
11531 fn test_split_runs_by_bg_segments(cx: &mut gpui::TestAppContext) {
11532 init_test(cx, |_| {});
11533
11534 let dx = |start: u32, end: u32| {
11535 DisplayPoint::new(DisplayRow(0), start)..DisplayPoint::new(DisplayRow(0), end)
11536 };
11537
11538 let text_color = Hsla {
11539 h: 210.0,
11540 s: 0.1,
11541 l: 0.4,
11542 a: 1.0,
11543 };
11544 let bg_1 = Hsla {
11545 h: 30.0,
11546 s: 0.6,
11547 l: 0.8,
11548 a: 1.0,
11549 };
11550 let bg_2 = Hsla {
11551 h: 200.0,
11552 s: 0.6,
11553 l: 0.2,
11554 a: 1.0,
11555 };
11556 let min_contrast = 45.0;
11557 let adjusted_bg1 = ensure_minimum_contrast(text_color, bg_1, min_contrast);
11558 let adjusted_bg2 = ensure_minimum_contrast(text_color, bg_2, min_contrast);
11559
11560 // Case A: single run; disjoint segments inside the run
11561 {
11562 let runs = vec![generate_test_run(20, text_color)];
11563 let segs = vec![(dx(5, 10), bg_1), (dx(12, 16), bg_2)];
11564 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11565 // Expected slices: [0,5) [5,10) [10,12) [12,16) [16,20)
11566 assert_eq!(
11567 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11568 vec![5, 5, 2, 4, 4]
11569 );
11570 assert_eq!(out[0].color, text_color);
11571 assert_eq!(out[1].color, adjusted_bg1);
11572 assert_eq!(out[2].color, text_color);
11573 assert_eq!(out[3].color, adjusted_bg2);
11574 assert_eq!(out[4].color, text_color);
11575 }
11576
11577 // Case B: multiple runs; segment extends to end of line (u32::MAX)
11578 {
11579 let runs = vec![
11580 generate_test_run(8, text_color),
11581 generate_test_run(7, text_color),
11582 ];
11583 let segs = vec![(dx(6, u32::MAX), bg_1)];
11584 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11585 // Expected slices across runs: [0,6) [6,8) | [0,7)
11586 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![6, 2, 7]);
11587 assert_eq!(out[0].color, text_color);
11588 assert_eq!(out[1].color, adjusted_bg1);
11589 assert_eq!(out[2].color, adjusted_bg1);
11590 }
11591
11592 // Case C: multi-byte characters
11593 {
11594 // for text: "Hello π δΈη!"
11595 let runs = vec![
11596 generate_test_run(5, text_color), // "Hello"
11597 generate_test_run(6, text_color), // " π "
11598 generate_test_run(6, text_color), // "δΈη"
11599 generate_test_run(1, text_color), // "!"
11600 ];
11601 // selecting "π δΈ"
11602 let segs = vec![(dx(6, 14), bg_1)];
11603 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11604 // "Hello" | " " | "π " | "δΈ" | "η" | "!"
11605 assert_eq!(
11606 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11607 vec![5, 1, 5, 3, 3, 1]
11608 );
11609 assert_eq!(out[0].color, text_color); // "Hello"
11610 assert_eq!(out[2].color, adjusted_bg1); // "π "
11611 assert_eq!(out[3].color, adjusted_bg1); // "δΈ"
11612 assert_eq!(out[4].color, text_color); // "η"
11613 assert_eq!(out[5].color, text_color); // "!"
11614 }
11615
11616 // Case D: split multiple consecutive text runs with segments
11617 {
11618 let segs = vec![
11619 (dx(2, 4), bg_1), // selecting "cd"
11620 (dx(4, 8), bg_2), // selecting "efgh"
11621 (dx(9, 11), bg_1), // selecting "jk"
11622 (dx(12, 16), bg_2), // selecting "mnop"
11623 (dx(18, 19), bg_1), // selecting "s"
11624 ];
11625
11626 // for text: "abcdef"
11627 let runs = vec![
11628 generate_test_run(2, text_color), // ab
11629 generate_test_run(4, text_color), // cdef
11630 ];
11631 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11632 // new splits "ab", "cd", "ef"
11633 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![2, 2, 2]);
11634 assert_eq!(out[0].color, text_color);
11635 assert_eq!(out[1].color, adjusted_bg1);
11636 assert_eq!(out[2].color, adjusted_bg2);
11637
11638 // for text: "ghijklmn"
11639 let runs = vec![
11640 generate_test_run(3, text_color), // ghi
11641 generate_test_run(2, text_color), // jk
11642 generate_test_run(3, text_color), // lmn
11643 ];
11644 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 6); // 2 + 4 from first run
11645 // new splits "gh", "i", "jk", "l", "mn"
11646 assert_eq!(
11647 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11648 vec![2, 1, 2, 1, 2]
11649 );
11650 assert_eq!(out[0].color, adjusted_bg2);
11651 assert_eq!(out[1].color, text_color);
11652 assert_eq!(out[2].color, adjusted_bg1);
11653 assert_eq!(out[3].color, text_color);
11654 assert_eq!(out[4].color, adjusted_bg2);
11655
11656 // for text: "opqrs"
11657 let runs = vec![
11658 generate_test_run(1, text_color), // o
11659 generate_test_run(4, text_color), // pqrs
11660 ];
11661 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 14); // 6 + 3 + 2 + 3 from first two runs
11662 // new splits "o", "p", "qr", "s"
11663 assert_eq!(
11664 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11665 vec![1, 1, 2, 1]
11666 );
11667 assert_eq!(out[0].color, adjusted_bg2);
11668 assert_eq!(out[1].color, adjusted_bg2);
11669 assert_eq!(out[2].color, text_color);
11670 assert_eq!(out[3].color, adjusted_bg1);
11671 }
11672 }
11673}