1use crate::{
2 ActiveDiagnostic, BlockId, CURSORS_VISIBLE_FOR, ChunkRendererContext, ChunkReplacement,
3 CodeActionSource, ColumnarMode, ConflictsOurs, ConflictsOursMarker, ConflictsOuter,
4 ConflictsTheirs, ConflictsTheirsMarker, ContextMenuPlacement, CursorShape, CustomBlockId,
5 DisplayDiffHunk, DisplayPoint, DisplayRow, DocumentHighlightRead, DocumentHighlightWrite,
6 EditDisplayMode, EditPrediction, Editor, EditorMode, EditorSettings, EditorSnapshot,
7 EditorStyle, FILE_HEADER_HEIGHT, FocusedBlock, GutterDimensions, HalfPageDown, HalfPageUp,
8 HandleInput, HoveredCursor, InlayHintRefreshReason, JumpData, LineDown, LineHighlight, LineUp,
9 MAX_LINE_LEN, MINIMAP_FONT_SIZE, MULTI_BUFFER_EXCERPT_HEADER_HEIGHT, OpenExcerpts, PageDown,
10 PageUp, PhantomBreakpointIndicator, Point, RowExt, RowRangeExt, SelectPhase,
11 SelectedTextHighlight, Selection, SelectionDragState, SoftWrap, StickyHeaderExcerpt, ToPoint,
12 ToggleFold, ToggleFoldAll,
13 code_context_menus::{CodeActionsMenu, MENU_ASIDE_MAX_WIDTH, MENU_ASIDE_MIN_WIDTH, MENU_GAP},
14 display_map::{
15 Block, BlockContext, BlockStyle, ChunkRendererId, DisplaySnapshot, EditorMargins,
16 HighlightKey, HighlightedChunk, ToDisplayPoint,
17 },
18 editor_settings::{
19 CurrentLineHighlight, DocumentColorsRenderMode, DoubleClickInMultibuffer, Minimap,
20 MinimapThumb, MinimapThumbBorder, ScrollBeyondLastLine, ScrollbarAxes,
21 ScrollbarDiagnostics, ShowMinimap,
22 },
23 git::blame::{BlameRenderer, GitBlame, GlobalBlameRenderer},
24 hover_popover::{
25 self, HOVER_POPOVER_GAP, MIN_POPOVER_CHARACTER_WIDTH, MIN_POPOVER_LINE_HEIGHT,
26 POPOVER_RIGHT_OFFSET, hover_at,
27 },
28 inlay_hint_settings,
29 items::BufferSearchHighlights,
30 mouse_context_menu::{self, MenuPosition},
31 scroll::{
32 ActiveScrollbarState, ScrollOffset, ScrollPixelOffset, ScrollbarThumbState,
33 scroll_amount::ScrollAmount,
34 },
35};
36use buffer_diff::{DiffHunkStatus, DiffHunkStatusKind};
37use collections::{BTreeMap, HashMap};
38use file_icons::FileIcons;
39use git::{
40 Oid,
41 blame::{BlameEntry, ParsedCommitMessage},
42 status::FileStatus,
43};
44use gpui::{
45 Action, Along, AnyElement, App, AppContext, AvailableSpace, Axis as ScrollbarAxis, BorderStyle,
46 Bounds, ClickEvent, ClipboardItem, ContentMask, Context, Corner, Corners, CursorStyle,
47 DispatchPhase, Edges, Element, ElementInputHandler, Entity, Focusable as _, FontId,
48 GlobalElementId, Hitbox, HitboxBehavior, Hsla, InteractiveElement, IntoElement, IsZero,
49 KeybindingKeystroke, Length, Modifiers, ModifiersChangedEvent, MouseButton, MouseClickEvent,
50 MouseDownEvent, MouseMoveEvent, MouseUpEvent, PaintQuad, ParentElement, Pixels, ScrollDelta,
51 ScrollHandle, ScrollWheelEvent, ShapedLine, SharedString, Size, StatefulInteractiveElement,
52 Style, Styled, TextRun, TextStyleRefinement, WeakEntity, Window, anchored, deferred, div, fill,
53 linear_color_stop, linear_gradient, outline, point, px, quad, relative, size, solid_background,
54 transparent_black,
55};
56use itertools::Itertools;
57use language::{IndentGuideSettings, language_settings::ShowWhitespaceSetting};
58use markdown::Markdown;
59use multi_buffer::{
60 Anchor, ExcerptId, ExcerptInfo, ExpandExcerptDirection, ExpandInfo, MultiBufferPoint,
61 MultiBufferRow, RowInfo,
62};
63
64use project::{
65 Entry, ProjectPath,
66 debugger::breakpoint_store::{Breakpoint, BreakpointSessionState},
67 project_settings::ProjectSettings,
68};
69use settings::{
70 GitGutterSetting, GitHunkStyleSetting, IndentGuideBackgroundColoring, IndentGuideColoring,
71 Settings,
72};
73use smallvec::{SmallVec, smallvec};
74use std::{
75 any::TypeId,
76 borrow::Cow,
77 cmp::{self, Ordering},
78 fmt::{self, Write},
79 iter, mem,
80 ops::{Deref, Range},
81 path::{self, Path},
82 rc::Rc,
83 sync::Arc,
84 time::{Duration, Instant},
85};
86use sum_tree::Bias;
87use text::{BufferId, SelectionGoal};
88use theme::{ActiveTheme, Appearance, BufferLineHeight, PlayerColor};
89use ui::utils::ensure_minimum_contrast;
90use ui::{
91 ButtonLike, ContextMenu, Indicator, KeyBinding, POPOVER_Y_PADDING, Tooltip, h_flex, prelude::*,
92 right_click_menu, scrollbars::ShowScrollbar, text_for_keystroke,
93};
94use unicode_segmentation::UnicodeSegmentation;
95use util::post_inc;
96use util::{RangeExt, ResultExt, debug_panic};
97use workspace::{
98 CollaboratorId, ItemSettings, OpenInTerminal, OpenTerminal, RevealInProjectPanel, Workspace,
99 item::{Item, ItemBufferKind},
100 notifications::NotifyTaskExt,
101};
102
103/// Determines what kinds of highlights should be applied to a lines background.
104#[derive(Clone, Copy, Default)]
105struct LineHighlightSpec {
106 selection: bool,
107 breakpoint: bool,
108 _active_stack_frame: bool,
109}
110
111#[derive(Debug)]
112struct SelectionLayout {
113 head: DisplayPoint,
114 cursor_shape: CursorShape,
115 is_newest: bool,
116 is_local: bool,
117 range: Range<DisplayPoint>,
118 active_rows: Range<DisplayRow>,
119 user_name: Option<SharedString>,
120}
121
122struct InlineBlameLayout {
123 element: AnyElement,
124 bounds: Bounds<Pixels>,
125 buffer_id: BufferId,
126 entry: BlameEntry,
127}
128
129impl SelectionLayout {
130 fn new<T: ToPoint + ToDisplayPoint + Clone>(
131 selection: Selection<T>,
132 line_mode: bool,
133 cursor_shape: CursorShape,
134 map: &DisplaySnapshot,
135 is_newest: bool,
136 is_local: bool,
137 user_name: Option<SharedString>,
138 ) -> Self {
139 let point_selection = selection.map(|p| p.to_point(map.buffer_snapshot()));
140 let display_selection = point_selection.map(|p| p.to_display_point(map));
141 let mut range = display_selection.range();
142 let mut head = display_selection.head();
143 let mut active_rows = map.prev_line_boundary(point_selection.start).1.row()
144 ..map.next_line_boundary(point_selection.end).1.row();
145
146 // vim visual line mode
147 if line_mode {
148 let point_range = map.expand_to_line(point_selection.range());
149 range = point_range.start.to_display_point(map)..point_range.end.to_display_point(map);
150 }
151
152 // any vim visual mode (including line mode)
153 if (cursor_shape == CursorShape::Block || cursor_shape == CursorShape::Hollow)
154 && !range.is_empty()
155 && !selection.reversed
156 {
157 if head.column() > 0 {
158 head = map.clip_point(DisplayPoint::new(head.row(), head.column() - 1), Bias::Left)
159 } else if head.row().0 > 0 && head != map.max_point() {
160 head = map.clip_point(
161 DisplayPoint::new(
162 head.row().previous_row(),
163 map.line_len(head.row().previous_row()),
164 ),
165 Bias::Left,
166 );
167 // updating range.end is a no-op unless you're cursor is
168 // on the newline containing a multi-buffer divider
169 // in which case the clip_point may have moved the head up
170 // an additional row.
171 range.end = DisplayPoint::new(head.row().next_row(), 0);
172 active_rows.end = head.row();
173 }
174 }
175
176 Self {
177 head,
178 cursor_shape,
179 is_newest,
180 is_local,
181 range,
182 active_rows,
183 user_name,
184 }
185 }
186}
187
188pub struct EditorElement {
189 editor: Entity<Editor>,
190 style: EditorStyle,
191}
192
193type DisplayRowDelta = u32;
194
195impl EditorElement {
196 pub(crate) const SCROLLBAR_WIDTH: Pixels = px(15.);
197
198 pub fn new(editor: &Entity<Editor>, style: EditorStyle) -> Self {
199 Self {
200 editor: editor.clone(),
201 style,
202 }
203 }
204
205 fn register_actions(&self, window: &mut Window, cx: &mut App) {
206 let editor = &self.editor;
207 editor.update(cx, |editor, cx| {
208 for action in editor.editor_actions.borrow().values() {
209 (action)(editor, window, cx)
210 }
211 });
212
213 crate::rust_analyzer_ext::apply_related_actions(editor, window, cx);
214 crate::clangd_ext::apply_related_actions(editor, window, cx);
215
216 register_action(editor, window, Editor::open_context_menu);
217 register_action(editor, window, Editor::move_left);
218 register_action(editor, window, Editor::move_right);
219 register_action(editor, window, Editor::move_down);
220 register_action(editor, window, Editor::move_down_by_lines);
221 register_action(editor, window, Editor::select_down_by_lines);
222 register_action(editor, window, Editor::move_up);
223 register_action(editor, window, Editor::move_up_by_lines);
224 register_action(editor, window, Editor::select_up_by_lines);
225 register_action(editor, window, Editor::select_page_down);
226 register_action(editor, window, Editor::select_page_up);
227 register_action(editor, window, Editor::cancel);
228 register_action(editor, window, Editor::newline);
229 register_action(editor, window, Editor::newline_above);
230 register_action(editor, window, Editor::newline_below);
231 register_action(editor, window, Editor::backspace);
232 register_action(editor, window, Editor::blame_hover);
233 register_action(editor, window, Editor::delete);
234 register_action(editor, window, Editor::tab);
235 register_action(editor, window, Editor::backtab);
236 register_action(editor, window, Editor::indent);
237 register_action(editor, window, Editor::outdent);
238 register_action(editor, window, Editor::autoindent);
239 register_action(editor, window, Editor::delete_line);
240 register_action(editor, window, Editor::join_lines);
241 register_action(editor, window, Editor::sort_lines_by_length);
242 register_action(editor, window, Editor::sort_lines_case_sensitive);
243 register_action(editor, window, Editor::sort_lines_case_insensitive);
244 register_action(editor, window, Editor::reverse_lines);
245 register_action(editor, window, Editor::shuffle_lines);
246 register_action(editor, window, Editor::convert_indentation_to_spaces);
247 register_action(editor, window, Editor::convert_indentation_to_tabs);
248 register_action(editor, window, Editor::convert_to_upper_case);
249 register_action(editor, window, Editor::convert_to_lower_case);
250 register_action(editor, window, Editor::convert_to_title_case);
251 register_action(editor, window, Editor::convert_to_snake_case);
252 register_action(editor, window, Editor::convert_to_kebab_case);
253 register_action(editor, window, Editor::convert_to_upper_camel_case);
254 register_action(editor, window, Editor::convert_to_lower_camel_case);
255 register_action(editor, window, Editor::convert_to_opposite_case);
256 register_action(editor, window, Editor::convert_to_sentence_case);
257 register_action(editor, window, Editor::toggle_case);
258 register_action(editor, window, Editor::convert_to_rot13);
259 register_action(editor, window, Editor::convert_to_rot47);
260 register_action(editor, window, Editor::delete_to_previous_word_start);
261 register_action(editor, window, Editor::delete_to_previous_subword_start);
262 register_action(editor, window, Editor::delete_to_next_word_end);
263 register_action(editor, window, Editor::delete_to_next_subword_end);
264 register_action(editor, window, Editor::delete_to_beginning_of_line);
265 register_action(editor, window, Editor::delete_to_end_of_line);
266 register_action(editor, window, Editor::cut_to_end_of_line);
267 register_action(editor, window, Editor::duplicate_line_up);
268 register_action(editor, window, Editor::duplicate_line_down);
269 register_action(editor, window, Editor::duplicate_selection);
270 register_action(editor, window, Editor::move_line_up);
271 register_action(editor, window, Editor::move_line_down);
272 register_action(editor, window, Editor::transpose);
273 register_action(editor, window, Editor::rewrap);
274 register_action(editor, window, Editor::cut);
275 register_action(editor, window, Editor::kill_ring_cut);
276 register_action(editor, window, Editor::kill_ring_yank);
277 register_action(editor, window, Editor::copy);
278 register_action(editor, window, Editor::copy_and_trim);
279 register_action(editor, window, Editor::diff_clipboard_with_selection);
280 register_action(editor, window, Editor::paste);
281 register_action(editor, window, Editor::undo);
282 register_action(editor, window, Editor::redo);
283 register_action(editor, window, Editor::move_page_up);
284 register_action(editor, window, Editor::move_page_down);
285 register_action(editor, window, Editor::next_screen);
286 register_action(editor, window, Editor::scroll_cursor_top);
287 register_action(editor, window, Editor::scroll_cursor_center);
288 register_action(editor, window, Editor::scroll_cursor_bottom);
289 register_action(editor, window, Editor::scroll_cursor_center_top_bottom);
290 register_action(editor, window, |editor, _: &LineDown, window, cx| {
291 editor.scroll_screen(&ScrollAmount::Line(1.), window, cx)
292 });
293 register_action(editor, window, |editor, _: &LineUp, window, cx| {
294 editor.scroll_screen(&ScrollAmount::Line(-1.), window, cx)
295 });
296 register_action(editor, window, |editor, _: &HalfPageDown, window, cx| {
297 editor.scroll_screen(&ScrollAmount::Page(0.5), window, cx)
298 });
299 register_action(
300 editor,
301 window,
302 |editor, HandleInput(text): &HandleInput, window, cx| {
303 if text.is_empty() {
304 return;
305 }
306 editor.handle_input(text, window, cx);
307 },
308 );
309 register_action(editor, window, |editor, _: &HalfPageUp, window, cx| {
310 editor.scroll_screen(&ScrollAmount::Page(-0.5), window, cx)
311 });
312 register_action(editor, window, |editor, _: &PageDown, window, cx| {
313 editor.scroll_screen(&ScrollAmount::Page(1.), window, cx)
314 });
315 register_action(editor, window, |editor, _: &PageUp, window, cx| {
316 editor.scroll_screen(&ScrollAmount::Page(-1.), window, cx)
317 });
318 register_action(editor, window, Editor::move_to_previous_word_start);
319 register_action(editor, window, Editor::move_to_previous_subword_start);
320 register_action(editor, window, Editor::move_to_next_word_end);
321 register_action(editor, window, Editor::move_to_next_subword_end);
322 register_action(editor, window, Editor::move_to_beginning_of_line);
323 register_action(editor, window, Editor::move_to_end_of_line);
324 register_action(editor, window, Editor::move_to_start_of_paragraph);
325 register_action(editor, window, Editor::move_to_end_of_paragraph);
326 register_action(editor, window, Editor::move_to_beginning);
327 register_action(editor, window, Editor::move_to_end);
328 register_action(editor, window, Editor::move_to_start_of_excerpt);
329 register_action(editor, window, Editor::move_to_start_of_next_excerpt);
330 register_action(editor, window, Editor::move_to_end_of_excerpt);
331 register_action(editor, window, Editor::move_to_end_of_previous_excerpt);
332 register_action(editor, window, Editor::select_up);
333 register_action(editor, window, Editor::select_down);
334 register_action(editor, window, Editor::select_left);
335 register_action(editor, window, Editor::select_right);
336 register_action(editor, window, Editor::select_to_previous_word_start);
337 register_action(editor, window, Editor::select_to_previous_subword_start);
338 register_action(editor, window, Editor::select_to_next_word_end);
339 register_action(editor, window, Editor::select_to_next_subword_end);
340 register_action(editor, window, Editor::select_to_beginning_of_line);
341 register_action(editor, window, Editor::select_to_end_of_line);
342 register_action(editor, window, Editor::select_to_start_of_paragraph);
343 register_action(editor, window, Editor::select_to_end_of_paragraph);
344 register_action(editor, window, Editor::select_to_start_of_excerpt);
345 register_action(editor, window, Editor::select_to_start_of_next_excerpt);
346 register_action(editor, window, Editor::select_to_end_of_excerpt);
347 register_action(editor, window, Editor::select_to_end_of_previous_excerpt);
348 register_action(editor, window, Editor::select_to_beginning);
349 register_action(editor, window, Editor::select_to_end);
350 register_action(editor, window, Editor::select_all);
351 register_action(editor, window, |editor, action, window, cx| {
352 editor.select_all_matches(action, window, cx).log_err();
353 });
354 register_action(editor, window, Editor::select_line);
355 register_action(editor, window, Editor::split_selection_into_lines);
356 register_action(editor, window, Editor::add_selection_above);
357 register_action(editor, window, Editor::add_selection_below);
358 register_action(editor, window, |editor, action, window, cx| {
359 editor.select_next(action, window, cx).log_err();
360 });
361 register_action(editor, window, |editor, action, window, cx| {
362 editor.select_previous(action, window, cx).log_err();
363 });
364 register_action(editor, window, |editor, action, window, cx| {
365 editor.find_next_match(action, window, cx).log_err();
366 });
367 register_action(editor, window, |editor, action, window, cx| {
368 editor.find_previous_match(action, window, cx).log_err();
369 });
370 register_action(editor, window, Editor::toggle_comments);
371 register_action(editor, window, Editor::select_larger_syntax_node);
372 register_action(editor, window, Editor::select_smaller_syntax_node);
373 register_action(editor, window, Editor::select_next_syntax_node);
374 register_action(editor, window, Editor::select_prev_syntax_node);
375 register_action(editor, window, Editor::unwrap_syntax_node);
376 register_action(editor, window, Editor::select_enclosing_symbol);
377 register_action(editor, window, Editor::move_to_enclosing_bracket);
378 register_action(editor, window, Editor::undo_selection);
379 register_action(editor, window, Editor::redo_selection);
380 if editor.read(cx).buffer_kind(cx) == ItemBufferKind::Multibuffer {
381 register_action(editor, window, Editor::expand_excerpts);
382 register_action(editor, window, Editor::expand_excerpts_up);
383 register_action(editor, window, Editor::expand_excerpts_down);
384 }
385 register_action(editor, window, Editor::go_to_diagnostic);
386 register_action(editor, window, Editor::go_to_prev_diagnostic);
387 register_action(editor, window, Editor::go_to_next_hunk);
388 register_action(editor, window, Editor::go_to_prev_hunk);
389 register_action(editor, window, Editor::go_to_next_document_highlight);
390 register_action(editor, window, Editor::go_to_prev_document_highlight);
391 register_action(editor, window, |editor, action, window, cx| {
392 editor
393 .go_to_definition(action, window, cx)
394 .detach_and_log_err(cx);
395 });
396 register_action(editor, window, |editor, action, window, cx| {
397 editor
398 .go_to_definition_split(action, window, cx)
399 .detach_and_log_err(cx);
400 });
401 register_action(editor, window, |editor, action, window, cx| {
402 editor
403 .go_to_declaration(action, window, cx)
404 .detach_and_log_err(cx);
405 });
406 register_action(editor, window, |editor, action, window, cx| {
407 editor
408 .go_to_declaration_split(action, window, cx)
409 .detach_and_log_err(cx);
410 });
411 register_action(editor, window, |editor, action, window, cx| {
412 editor
413 .go_to_implementation(action, window, cx)
414 .detach_and_log_err(cx);
415 });
416 register_action(editor, window, |editor, action, window, cx| {
417 editor
418 .go_to_implementation_split(action, window, cx)
419 .detach_and_log_err(cx);
420 });
421 register_action(editor, window, |editor, action, window, cx| {
422 editor
423 .go_to_type_definition(action, window, cx)
424 .detach_and_log_err(cx);
425 });
426 register_action(editor, window, |editor, action, window, cx| {
427 editor
428 .go_to_type_definition_split(action, window, cx)
429 .detach_and_log_err(cx);
430 });
431 register_action(editor, window, Editor::open_url);
432 register_action(editor, window, Editor::open_selected_filename);
433 register_action(editor, window, Editor::fold);
434 register_action(editor, window, Editor::fold_at_level);
435 register_action(editor, window, Editor::fold_at_level_1);
436 register_action(editor, window, Editor::fold_at_level_2);
437 register_action(editor, window, Editor::fold_at_level_3);
438 register_action(editor, window, Editor::fold_at_level_4);
439 register_action(editor, window, Editor::fold_at_level_5);
440 register_action(editor, window, Editor::fold_at_level_6);
441 register_action(editor, window, Editor::fold_at_level_7);
442 register_action(editor, window, Editor::fold_at_level_8);
443 register_action(editor, window, Editor::fold_at_level_9);
444 register_action(editor, window, Editor::fold_all);
445 register_action(editor, window, Editor::fold_function_bodies);
446 register_action(editor, window, Editor::fold_recursive);
447 register_action(editor, window, Editor::toggle_fold);
448 register_action(editor, window, Editor::toggle_fold_recursive);
449 register_action(editor, window, Editor::toggle_fold_all);
450 register_action(editor, window, Editor::unfold_lines);
451 register_action(editor, window, Editor::unfold_recursive);
452 register_action(editor, window, Editor::unfold_all);
453 register_action(editor, window, Editor::fold_selected_ranges);
454 register_action(editor, window, Editor::set_mark);
455 register_action(editor, window, Editor::swap_selection_ends);
456 register_action(editor, window, Editor::show_completions);
457 register_action(editor, window, Editor::show_word_completions);
458 register_action(editor, window, Editor::toggle_code_actions);
459 register_action(editor, window, Editor::open_excerpts);
460 register_action(editor, window, Editor::open_excerpts_in_split);
461 register_action(editor, window, Editor::open_proposed_changes_editor);
462 register_action(editor, window, Editor::toggle_soft_wrap);
463 register_action(editor, window, Editor::toggle_tab_bar);
464 register_action(editor, window, Editor::toggle_line_numbers);
465 register_action(editor, window, Editor::toggle_relative_line_numbers);
466 register_action(editor, window, Editor::toggle_indent_guides);
467 register_action(editor, window, Editor::toggle_inlay_hints);
468 register_action(editor, window, Editor::toggle_edit_predictions);
469 if editor.read(cx).diagnostics_enabled() {
470 register_action(editor, window, Editor::toggle_diagnostics);
471 }
472 if editor.read(cx).inline_diagnostics_enabled() {
473 register_action(editor, window, Editor::toggle_inline_diagnostics);
474 }
475 if editor.read(cx).supports_minimap(cx) {
476 register_action(editor, window, Editor::toggle_minimap);
477 }
478 register_action(editor, window, hover_popover::hover);
479 register_action(editor, window, Editor::reveal_in_finder);
480 register_action(editor, window, Editor::copy_path);
481 register_action(editor, window, Editor::copy_relative_path);
482 register_action(editor, window, Editor::copy_file_name);
483 register_action(editor, window, Editor::copy_file_name_without_extension);
484 register_action(editor, window, Editor::copy_highlight_json);
485 register_action(editor, window, Editor::copy_permalink_to_line);
486 register_action(editor, window, Editor::open_permalink_to_line);
487 register_action(editor, window, Editor::copy_file_location);
488 register_action(editor, window, Editor::toggle_git_blame);
489 register_action(editor, window, Editor::toggle_git_blame_inline);
490 register_action(editor, window, Editor::open_git_blame_commit);
491 register_action(editor, window, Editor::toggle_selected_diff_hunks);
492 register_action(editor, window, Editor::toggle_staged_selected_diff_hunks);
493 register_action(editor, window, Editor::stage_and_next);
494 register_action(editor, window, Editor::unstage_and_next);
495 register_action(editor, window, Editor::expand_all_diff_hunks);
496 register_action(editor, window, Editor::collapse_all_diff_hunks);
497 register_action(editor, window, Editor::go_to_previous_change);
498 register_action(editor, window, Editor::go_to_next_change);
499
500 register_action(editor, window, |editor, action, window, cx| {
501 if let Some(task) = editor.format(action, window, cx) {
502 task.detach_and_notify_err(window, cx);
503 } else {
504 cx.propagate();
505 }
506 });
507 register_action(editor, window, |editor, action, window, cx| {
508 if let Some(task) = editor.format_selections(action, window, cx) {
509 task.detach_and_notify_err(window, cx);
510 } else {
511 cx.propagate();
512 }
513 });
514 register_action(editor, window, |editor, action, window, cx| {
515 if let Some(task) = editor.organize_imports(action, window, cx) {
516 task.detach_and_notify_err(window, cx);
517 } else {
518 cx.propagate();
519 }
520 });
521 register_action(editor, window, Editor::restart_language_server);
522 register_action(editor, window, Editor::stop_language_server);
523 register_action(editor, window, Editor::show_character_palette);
524 register_action(editor, window, |editor, action, window, cx| {
525 if let Some(task) = editor.confirm_completion(action, window, cx) {
526 task.detach_and_notify_err(window, cx);
527 } else {
528 cx.propagate();
529 }
530 });
531 register_action(editor, window, |editor, action, window, cx| {
532 if let Some(task) = editor.confirm_completion_replace(action, window, cx) {
533 task.detach_and_notify_err(window, cx);
534 } else {
535 cx.propagate();
536 }
537 });
538 register_action(editor, window, |editor, action, window, cx| {
539 if let Some(task) = editor.confirm_completion_insert(action, window, cx) {
540 task.detach_and_notify_err(window, cx);
541 } else {
542 cx.propagate();
543 }
544 });
545 register_action(editor, window, |editor, action, window, cx| {
546 if let Some(task) = editor.compose_completion(action, window, cx) {
547 task.detach_and_notify_err(window, cx);
548 } else {
549 cx.propagate();
550 }
551 });
552 register_action(editor, window, |editor, action, window, cx| {
553 if let Some(task) = editor.confirm_code_action(action, window, cx) {
554 task.detach_and_notify_err(window, cx);
555 } else {
556 cx.propagate();
557 }
558 });
559 register_action(editor, window, |editor, action, window, cx| {
560 if let Some(task) = editor.rename(action, window, cx) {
561 task.detach_and_notify_err(window, cx);
562 } else {
563 cx.propagate();
564 }
565 });
566 register_action(editor, window, |editor, action, window, cx| {
567 if let Some(task) = editor.confirm_rename(action, window, cx) {
568 task.detach_and_notify_err(window, cx);
569 } else {
570 cx.propagate();
571 }
572 });
573 register_action(editor, window, |editor, action, window, cx| {
574 if let Some(task) = editor.find_all_references(action, window, cx) {
575 task.detach_and_log_err(cx);
576 } else {
577 cx.propagate();
578 }
579 });
580 register_action(editor, window, Editor::show_signature_help);
581 register_action(editor, window, Editor::signature_help_prev);
582 register_action(editor, window, Editor::signature_help_next);
583 register_action(editor, window, Editor::next_edit_prediction);
584 register_action(editor, window, Editor::previous_edit_prediction);
585 register_action(editor, window, Editor::show_edit_prediction);
586 register_action(editor, window, Editor::context_menu_first);
587 register_action(editor, window, Editor::context_menu_prev);
588 register_action(editor, window, Editor::context_menu_next);
589 register_action(editor, window, Editor::context_menu_last);
590 register_action(editor, window, Editor::display_cursor_names);
591 register_action(editor, window, Editor::unique_lines_case_insensitive);
592 register_action(editor, window, Editor::unique_lines_case_sensitive);
593 register_action(editor, window, Editor::accept_partial_edit_prediction);
594 register_action(editor, window, Editor::accept_edit_prediction);
595 register_action(editor, window, Editor::restore_file);
596 register_action(editor, window, Editor::git_restore);
597 register_action(editor, window, Editor::apply_all_diff_hunks);
598 register_action(editor, window, Editor::apply_selected_diff_hunks);
599 register_action(editor, window, Editor::open_active_item_in_terminal);
600 register_action(editor, window, Editor::reload_file);
601 register_action(editor, window, Editor::spawn_nearest_task);
602 register_action(editor, window, Editor::insert_uuid_v4);
603 register_action(editor, window, Editor::insert_uuid_v7);
604 register_action(editor, window, Editor::open_selections_in_multibuffer);
605 register_action(editor, window, Editor::toggle_breakpoint);
606 register_action(editor, window, Editor::edit_log_breakpoint);
607 register_action(editor, window, Editor::enable_breakpoint);
608 register_action(editor, window, Editor::disable_breakpoint);
609 if editor.read(cx).enable_wrap_selections_in_tag(cx) {
610 register_action(editor, window, Editor::wrap_selections_in_tag);
611 }
612 }
613
614 fn register_key_listeners(&self, window: &mut Window, _: &mut App, layout: &EditorLayout) {
615 let position_map = layout.position_map.clone();
616 window.on_key_event({
617 let editor = self.editor.clone();
618 move |event: &ModifiersChangedEvent, phase, window, cx| {
619 if phase != DispatchPhase::Bubble {
620 return;
621 }
622 editor.update(cx, |editor, cx| {
623 let inlay_hint_settings = inlay_hint_settings(
624 editor.selections.newest_anchor().head(),
625 &editor.buffer.read(cx).snapshot(cx),
626 cx,
627 );
628
629 if let Some(inlay_modifiers) = inlay_hint_settings
630 .toggle_on_modifiers_press
631 .as_ref()
632 .filter(|modifiers| modifiers.modified())
633 {
634 editor.refresh_inlay_hints(
635 InlayHintRefreshReason::ModifiersChanged(
636 inlay_modifiers == &event.modifiers,
637 ),
638 cx,
639 );
640 }
641
642 if editor.hover_state.focused(window, cx) {
643 return;
644 }
645
646 editor.handle_modifiers_changed(event.modifiers, &position_map, window, cx);
647 })
648 }
649 });
650 }
651
652 fn mouse_left_down(
653 editor: &mut Editor,
654 event: &MouseDownEvent,
655 position_map: &PositionMap,
656 line_numbers: &HashMap<MultiBufferRow, LineNumberLayout>,
657 window: &mut Window,
658 cx: &mut Context<Editor>,
659 ) {
660 if window.default_prevented() {
661 return;
662 }
663
664 let text_hitbox = &position_map.text_hitbox;
665 let gutter_hitbox = &position_map.gutter_hitbox;
666 let point_for_position = position_map.point_for_position(event.position);
667 let mut click_count = event.click_count;
668 let mut modifiers = event.modifiers;
669
670 if let Some(hovered_hunk) =
671 position_map
672 .display_hunks
673 .iter()
674 .find_map(|(hunk, hunk_hitbox)| match hunk {
675 DisplayDiffHunk::Folded { .. } => None,
676 DisplayDiffHunk::Unfolded {
677 multi_buffer_range, ..
678 } => hunk_hitbox
679 .as_ref()
680 .is_some_and(|hitbox| hitbox.is_hovered(window))
681 .then(|| multi_buffer_range.clone()),
682 })
683 {
684 editor.toggle_single_diff_hunk(hovered_hunk, cx);
685 cx.notify();
686 return;
687 } else if gutter_hitbox.is_hovered(window) {
688 click_count = 3; // Simulate triple-click when clicking the gutter to select lines
689 } else if !text_hitbox.is_hovered(window) {
690 return;
691 }
692
693 if EditorSettings::get_global(cx)
694 .drag_and_drop_selection
695 .enabled
696 && click_count == 1
697 && !modifiers.shift
698 {
699 let newest_anchor = editor.selections.newest_anchor();
700 let snapshot = editor.snapshot(window, cx);
701 let selection = newest_anchor.map(|anchor| anchor.to_display_point(&snapshot));
702 if point_for_position.intersects_selection(&selection) {
703 editor.selection_drag_state = SelectionDragState::ReadyToDrag {
704 selection: newest_anchor.clone(),
705 click_position: event.position,
706 mouse_down_time: Instant::now(),
707 };
708 cx.stop_propagation();
709 return;
710 }
711 }
712
713 let is_singleton = editor.buffer().read(cx).is_singleton();
714
715 if click_count == 2 && !is_singleton {
716 match EditorSettings::get_global(cx).double_click_in_multibuffer {
717 DoubleClickInMultibuffer::Select => {
718 // do nothing special on double click, all selection logic is below
719 }
720 DoubleClickInMultibuffer::Open => {
721 if modifiers.alt {
722 // if double click is made with alt, pretend it's a regular double click without opening and alt,
723 // and run the selection logic.
724 modifiers.alt = false;
725 } else {
726 let scroll_position_row = position_map.scroll_position.y;
727 let display_row = (((event.position - gutter_hitbox.bounds.origin).y
728 / position_map.line_height)
729 as f64
730 + position_map.scroll_position.y)
731 as u32;
732 let multi_buffer_row = position_map
733 .snapshot
734 .display_point_to_point(
735 DisplayPoint::new(DisplayRow(display_row), 0),
736 Bias::Right,
737 )
738 .row;
739 let line_offset_from_top = display_row - scroll_position_row as u32;
740 // if double click is made without alt, open the corresponding excerp
741 editor.open_excerpts_common(
742 Some(JumpData::MultiBufferRow {
743 row: MultiBufferRow(multi_buffer_row),
744 line_offset_from_top,
745 }),
746 false,
747 window,
748 cx,
749 );
750 return;
751 }
752 }
753 }
754 }
755
756 if !is_singleton {
757 let display_row = (ScrollPixelOffset::from(
758 (event.position - gutter_hitbox.bounds.origin).y / position_map.line_height,
759 ) + position_map.scroll_position.y) as u32;
760 let multi_buffer_row = position_map
761 .snapshot
762 .display_point_to_point(DisplayPoint::new(DisplayRow(display_row), 0), Bias::Right)
763 .row;
764 if line_numbers
765 .get(&MultiBufferRow(multi_buffer_row))
766 .is_some_and(|line_layout| {
767 line_layout.segments.iter().any(|segment| {
768 segment
769 .hitbox
770 .as_ref()
771 .is_some_and(|hitbox| hitbox.contains(&event.position))
772 })
773 })
774 {
775 let line_offset_from_top = display_row - position_map.scroll_position.y as u32;
776
777 editor.open_excerpts_common(
778 Some(JumpData::MultiBufferRow {
779 row: MultiBufferRow(multi_buffer_row),
780 line_offset_from_top,
781 }),
782 modifiers.alt,
783 window,
784 cx,
785 );
786 cx.stop_propagation();
787 return;
788 }
789 }
790
791 let position = point_for_position.previous_valid;
792 if let Some(mode) = Editor::columnar_selection_mode(&modifiers, cx) {
793 editor.select(
794 SelectPhase::BeginColumnar {
795 position,
796 reset: match mode {
797 ColumnarMode::FromMouse => true,
798 ColumnarMode::FromSelection => false,
799 },
800 mode,
801 goal_column: point_for_position.exact_unclipped.column(),
802 },
803 window,
804 cx,
805 );
806 } else if modifiers.shift && !modifiers.control && !modifiers.alt && !modifiers.secondary()
807 {
808 editor.select(
809 SelectPhase::Extend {
810 position,
811 click_count,
812 },
813 window,
814 cx,
815 );
816 } else {
817 editor.select(
818 SelectPhase::Begin {
819 position,
820 add: Editor::multi_cursor_modifier(true, &modifiers, cx),
821 click_count,
822 },
823 window,
824 cx,
825 );
826 }
827 cx.stop_propagation();
828 }
829
830 fn mouse_right_down(
831 editor: &mut Editor,
832 event: &MouseDownEvent,
833 position_map: &PositionMap,
834 window: &mut Window,
835 cx: &mut Context<Editor>,
836 ) {
837 if position_map.gutter_hitbox.is_hovered(window) {
838 let gutter_right_padding = editor.gutter_dimensions.right_padding;
839 let hitbox = &position_map.gutter_hitbox;
840
841 if event.position.x <= hitbox.bounds.right() - gutter_right_padding {
842 let point_for_position = position_map.point_for_position(event.position);
843 editor.set_breakpoint_context_menu(
844 point_for_position.previous_valid.row(),
845 None,
846 event.position,
847 window,
848 cx,
849 );
850 }
851 return;
852 }
853
854 if !position_map.text_hitbox.is_hovered(window) {
855 return;
856 }
857
858 let point_for_position = position_map.point_for_position(event.position);
859 mouse_context_menu::deploy_context_menu(
860 editor,
861 Some(event.position),
862 point_for_position.previous_valid,
863 window,
864 cx,
865 );
866 cx.stop_propagation();
867 }
868
869 fn mouse_middle_down(
870 editor: &mut Editor,
871 event: &MouseDownEvent,
872 position_map: &PositionMap,
873 window: &mut Window,
874 cx: &mut Context<Editor>,
875 ) {
876 if !position_map.text_hitbox.is_hovered(window) || window.default_prevented() {
877 return;
878 }
879
880 let point_for_position = position_map.point_for_position(event.position);
881 let position = point_for_position.previous_valid;
882
883 editor.select(
884 SelectPhase::BeginColumnar {
885 position,
886 reset: true,
887 mode: ColumnarMode::FromMouse,
888 goal_column: point_for_position.exact_unclipped.column(),
889 },
890 window,
891 cx,
892 );
893 }
894
895 fn mouse_up(
896 editor: &mut Editor,
897 event: &MouseUpEvent,
898 position_map: &PositionMap,
899 window: &mut Window,
900 cx: &mut Context<Editor>,
901 ) {
902 let text_hitbox = &position_map.text_hitbox;
903 let end_selection = editor.has_pending_selection();
904 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
905 let point_for_position = position_map.point_for_position(event.position);
906
907 match editor.selection_drag_state {
908 SelectionDragState::ReadyToDrag {
909 selection: _,
910 ref click_position,
911 mouse_down_time: _,
912 } => {
913 if event.position == *click_position {
914 editor.select(
915 SelectPhase::Begin {
916 position: point_for_position.previous_valid,
917 add: false,
918 click_count: 1, // ready to drag state only occurs on click count 1
919 },
920 window,
921 cx,
922 );
923 editor.selection_drag_state = SelectionDragState::None;
924 cx.stop_propagation();
925 return;
926 } else {
927 debug_panic!("drag state can never be in ready state after drag")
928 }
929 }
930 SelectionDragState::Dragging { ref selection, .. } => {
931 let snapshot = editor.snapshot(window, cx);
932 let selection_display = selection.map(|anchor| anchor.to_display_point(&snapshot));
933 if !point_for_position.intersects_selection(&selection_display)
934 && text_hitbox.is_hovered(window)
935 {
936 let is_cut = !(cfg!(target_os = "macos") && event.modifiers.alt
937 || cfg!(not(target_os = "macos")) && event.modifiers.control);
938 editor.move_selection_on_drop(
939 &selection.clone(),
940 point_for_position.previous_valid,
941 is_cut,
942 window,
943 cx,
944 );
945 }
946 editor.selection_drag_state = SelectionDragState::None;
947 cx.stop_propagation();
948 cx.notify();
949 return;
950 }
951 _ => {}
952 }
953
954 if end_selection {
955 editor.select(SelectPhase::End, window, cx);
956 }
957
958 if end_selection && pending_nonempty_selections {
959 cx.stop_propagation();
960 } else if cfg!(any(target_os = "linux", target_os = "freebsd"))
961 && event.button == MouseButton::Middle
962 {
963 #[allow(
964 clippy::collapsible_if,
965 clippy::needless_return,
966 reason = "The cfg-block below makes this a false positive"
967 )]
968 if !text_hitbox.is_hovered(window) || editor.read_only(cx) {
969 return;
970 }
971
972 #[cfg(any(target_os = "linux", target_os = "freebsd"))]
973 if EditorSettings::get_global(cx).middle_click_paste {
974 if let Some(text) = cx.read_from_primary().and_then(|item| item.text()) {
975 let point_for_position = position_map.point_for_position(event.position);
976 let position = point_for_position.previous_valid;
977
978 editor.select(
979 SelectPhase::Begin {
980 position,
981 add: false,
982 click_count: 1,
983 },
984 window,
985 cx,
986 );
987 editor.insert(&text, window, cx);
988 }
989 cx.stop_propagation()
990 }
991 }
992 }
993
994 fn click(
995 editor: &mut Editor,
996 event: &ClickEvent,
997 position_map: &PositionMap,
998 window: &mut Window,
999 cx: &mut Context<Editor>,
1000 ) {
1001 let text_hitbox = &position_map.text_hitbox;
1002 let pending_nonempty_selections = editor.has_pending_nonempty_selection();
1003
1004 let hovered_link_modifier = Editor::multi_cursor_modifier(false, &event.modifiers(), cx);
1005
1006 if let Some(mouse_position) = event.mouse_position()
1007 && !pending_nonempty_selections
1008 && hovered_link_modifier
1009 && text_hitbox.is_hovered(window)
1010 {
1011 let point = position_map.point_for_position(mouse_position);
1012 editor.handle_click_hovered_link(point, event.modifiers(), window, cx);
1013 editor.selection_drag_state = SelectionDragState::None;
1014
1015 cx.stop_propagation();
1016 }
1017 }
1018
1019 fn mouse_dragged(
1020 editor: &mut Editor,
1021 event: &MouseMoveEvent,
1022 position_map: &PositionMap,
1023 window: &mut Window,
1024 cx: &mut Context<Editor>,
1025 ) {
1026 if !editor.has_pending_selection()
1027 && matches!(editor.selection_drag_state, SelectionDragState::None)
1028 {
1029 return;
1030 }
1031
1032 let point_for_position = position_map.point_for_position(event.position);
1033 let text_hitbox = &position_map.text_hitbox;
1034
1035 let scroll_delta = {
1036 let text_bounds = text_hitbox.bounds;
1037 let mut scroll_delta = gpui::Point::<f32>::default();
1038 let vertical_margin = position_map.line_height.min(text_bounds.size.height / 3.0);
1039 let top = text_bounds.origin.y + vertical_margin;
1040 let bottom = text_bounds.bottom_left().y - vertical_margin;
1041 if event.position.y < top {
1042 scroll_delta.y = -scale_vertical_mouse_autoscroll_delta(top - event.position.y);
1043 }
1044 if event.position.y > bottom {
1045 scroll_delta.y = scale_vertical_mouse_autoscroll_delta(event.position.y - bottom);
1046 }
1047
1048 // We need horizontal width of text
1049 let style = editor.style.clone().unwrap_or_default();
1050 let font_id = window.text_system().resolve_font(&style.text.font());
1051 let font_size = style.text.font_size.to_pixels(window.rem_size());
1052 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
1053
1054 let scroll_margin_x = EditorSettings::get_global(cx).horizontal_scroll_margin;
1055
1056 let scroll_space: Pixels = scroll_margin_x * em_width;
1057
1058 let left = text_bounds.origin.x + scroll_space;
1059 let right = text_bounds.top_right().x - scroll_space;
1060
1061 if event.position.x < left {
1062 scroll_delta.x = -scale_horizontal_mouse_autoscroll_delta(left - event.position.x);
1063 }
1064 if event.position.x > right {
1065 scroll_delta.x = scale_horizontal_mouse_autoscroll_delta(event.position.x - right);
1066 }
1067 scroll_delta
1068 };
1069
1070 if !editor.has_pending_selection() {
1071 let drop_anchor = position_map
1072 .snapshot
1073 .display_point_to_anchor(point_for_position.previous_valid, Bias::Left);
1074 match editor.selection_drag_state {
1075 SelectionDragState::Dragging {
1076 ref mut drop_cursor,
1077 ref mut hide_drop_cursor,
1078 ..
1079 } => {
1080 drop_cursor.start = drop_anchor;
1081 drop_cursor.end = drop_anchor;
1082 *hide_drop_cursor = !text_hitbox.is_hovered(window);
1083 editor.apply_scroll_delta(scroll_delta, window, cx);
1084 cx.notify();
1085 }
1086 SelectionDragState::ReadyToDrag {
1087 ref selection,
1088 ref click_position,
1089 ref mouse_down_time,
1090 } => {
1091 let drag_and_drop_delay = Duration::from_millis(
1092 EditorSettings::get_global(cx)
1093 .drag_and_drop_selection
1094 .delay
1095 .0,
1096 );
1097 if mouse_down_time.elapsed() >= drag_and_drop_delay {
1098 let drop_cursor = Selection {
1099 id: post_inc(&mut editor.selections.next_selection_id()),
1100 start: drop_anchor,
1101 end: drop_anchor,
1102 reversed: false,
1103 goal: SelectionGoal::None,
1104 };
1105 editor.selection_drag_state = SelectionDragState::Dragging {
1106 selection: selection.clone(),
1107 drop_cursor,
1108 hide_drop_cursor: false,
1109 };
1110 editor.apply_scroll_delta(scroll_delta, window, cx);
1111 cx.notify();
1112 } else {
1113 let click_point = position_map.point_for_position(*click_position);
1114 editor.selection_drag_state = SelectionDragState::None;
1115 editor.select(
1116 SelectPhase::Begin {
1117 position: click_point.previous_valid,
1118 add: false,
1119 click_count: 1,
1120 },
1121 window,
1122 cx,
1123 );
1124 editor.select(
1125 SelectPhase::Update {
1126 position: point_for_position.previous_valid,
1127 goal_column: point_for_position.exact_unclipped.column(),
1128 scroll_delta,
1129 },
1130 window,
1131 cx,
1132 );
1133 }
1134 }
1135 _ => {}
1136 }
1137 } else {
1138 editor.select(
1139 SelectPhase::Update {
1140 position: point_for_position.previous_valid,
1141 goal_column: point_for_position.exact_unclipped.column(),
1142 scroll_delta,
1143 },
1144 window,
1145 cx,
1146 );
1147 }
1148 }
1149
1150 fn mouse_moved(
1151 editor: &mut Editor,
1152 event: &MouseMoveEvent,
1153 position_map: &PositionMap,
1154 window: &mut Window,
1155 cx: &mut Context<Editor>,
1156 ) {
1157 let text_hitbox = &position_map.text_hitbox;
1158 let gutter_hitbox = &position_map.gutter_hitbox;
1159 let modifiers = event.modifiers;
1160 let text_hovered = text_hitbox.is_hovered(window);
1161 let gutter_hovered = gutter_hitbox.is_hovered(window);
1162 editor.set_gutter_hovered(gutter_hovered, cx);
1163 editor.show_mouse_cursor(cx);
1164
1165 let point_for_position = position_map.point_for_position(event.position);
1166 let valid_point = point_for_position.previous_valid;
1167
1168 let hovered_diff_control = position_map
1169 .diff_hunk_control_bounds
1170 .iter()
1171 .find(|(_, bounds)| bounds.contains(&event.position))
1172 .map(|(row, _)| *row);
1173
1174 let hovered_diff_hunk_row = if let Some(control_row) = hovered_diff_control {
1175 Some(control_row)
1176 } else if text_hovered {
1177 let current_row = valid_point.row();
1178 position_map.display_hunks.iter().find_map(|(hunk, _)| {
1179 if let DisplayDiffHunk::Unfolded {
1180 display_row_range, ..
1181 } = hunk
1182 {
1183 if display_row_range.contains(¤t_row) {
1184 Some(display_row_range.start)
1185 } else {
1186 None
1187 }
1188 } else {
1189 None
1190 }
1191 })
1192 } else {
1193 None
1194 };
1195
1196 if hovered_diff_hunk_row != editor.hovered_diff_hunk_row {
1197 editor.hovered_diff_hunk_row = hovered_diff_hunk_row;
1198 cx.notify();
1199 }
1200
1201 if let Some((bounds, buffer_id, blame_entry)) = &position_map.inline_blame_bounds {
1202 let mouse_over_inline_blame = bounds.contains(&event.position);
1203 let mouse_over_popover = editor
1204 .inline_blame_popover
1205 .as_ref()
1206 .and_then(|state| state.popover_bounds)
1207 .is_some_and(|bounds| bounds.contains(&event.position));
1208 let keyboard_grace = editor
1209 .inline_blame_popover
1210 .as_ref()
1211 .is_some_and(|state| state.keyboard_grace);
1212
1213 if mouse_over_inline_blame || mouse_over_popover {
1214 editor.show_blame_popover(*buffer_id, blame_entry, event.position, false, cx);
1215 } else if !keyboard_grace {
1216 editor.hide_blame_popover(cx);
1217 }
1218 } else {
1219 editor.hide_blame_popover(cx);
1220 }
1221
1222 let breakpoint_indicator = if gutter_hovered {
1223 let buffer_anchor = position_map
1224 .snapshot
1225 .display_point_to_anchor(valid_point, Bias::Left);
1226
1227 if let Some((buffer_snapshot, file)) = position_map
1228 .snapshot
1229 .buffer_snapshot()
1230 .buffer_for_excerpt(buffer_anchor.excerpt_id)
1231 .and_then(|buffer| buffer.file().map(|file| (buffer, file)))
1232 {
1233 let as_point = text::ToPoint::to_point(&buffer_anchor.text_anchor, buffer_snapshot);
1234
1235 let is_visible = editor
1236 .gutter_breakpoint_indicator
1237 .0
1238 .is_some_and(|indicator| indicator.is_active);
1239
1240 let has_existing_breakpoint =
1241 editor.breakpoint_store.as_ref().is_some_and(|store| {
1242 let Some(project) = &editor.project else {
1243 return false;
1244 };
1245 let Some(abs_path) = project.read(cx).absolute_path(
1246 &ProjectPath {
1247 path: file.path().clone(),
1248 worktree_id: file.worktree_id(cx),
1249 },
1250 cx,
1251 ) else {
1252 return false;
1253 };
1254 store
1255 .read(cx)
1256 .breakpoint_at_row(&abs_path, as_point.row, cx)
1257 .is_some()
1258 });
1259
1260 if !is_visible {
1261 editor.gutter_breakpoint_indicator.1.get_or_insert_with(|| {
1262 cx.spawn(async move |this, cx| {
1263 cx.background_executor()
1264 .timer(Duration::from_millis(200))
1265 .await;
1266
1267 this.update(cx, |this, cx| {
1268 if let Some(indicator) = this.gutter_breakpoint_indicator.0.as_mut()
1269 {
1270 indicator.is_active = true;
1271 cx.notify();
1272 }
1273 })
1274 .ok();
1275 })
1276 });
1277 }
1278
1279 Some(PhantomBreakpointIndicator {
1280 display_row: valid_point.row(),
1281 is_active: is_visible,
1282 collides_with_existing_breakpoint: has_existing_breakpoint,
1283 })
1284 } else {
1285 editor.gutter_breakpoint_indicator.1 = None;
1286 None
1287 }
1288 } else {
1289 editor.gutter_breakpoint_indicator.1 = None;
1290 None
1291 };
1292
1293 if &breakpoint_indicator != &editor.gutter_breakpoint_indicator.0 {
1294 editor.gutter_breakpoint_indicator.0 = breakpoint_indicator;
1295 cx.notify();
1296 }
1297
1298 // Don't trigger hover popover if mouse is hovering over context menu
1299 if text_hovered {
1300 editor.update_hovered_link(
1301 point_for_position,
1302 &position_map.snapshot,
1303 modifiers,
1304 window,
1305 cx,
1306 );
1307
1308 if let Some(point) = point_for_position.as_valid() {
1309 let anchor = position_map
1310 .snapshot
1311 .buffer_snapshot()
1312 .anchor_before(point.to_offset(&position_map.snapshot, Bias::Left));
1313 hover_at(editor, Some(anchor), window, cx);
1314 Self::update_visible_cursor(editor, point, position_map, window, cx);
1315 } else {
1316 hover_at(editor, None, window, cx);
1317 }
1318 } else {
1319 editor.hide_hovered_link(cx);
1320 hover_at(editor, None, window, cx);
1321 }
1322 }
1323
1324 fn update_visible_cursor(
1325 editor: &mut Editor,
1326 point: DisplayPoint,
1327 position_map: &PositionMap,
1328 window: &mut Window,
1329 cx: &mut Context<Editor>,
1330 ) {
1331 let snapshot = &position_map.snapshot;
1332 let Some(hub) = editor.collaboration_hub() else {
1333 return;
1334 };
1335 let start = snapshot.display_snapshot.clip_point(
1336 DisplayPoint::new(point.row(), point.column().saturating_sub(1)),
1337 Bias::Left,
1338 );
1339 let end = snapshot.display_snapshot.clip_point(
1340 DisplayPoint::new(
1341 point.row(),
1342 (point.column() + 1).min(snapshot.line_len(point.row())),
1343 ),
1344 Bias::Right,
1345 );
1346
1347 let range = snapshot
1348 .buffer_snapshot()
1349 .anchor_before(start.to_point(&snapshot.display_snapshot))
1350 ..snapshot
1351 .buffer_snapshot()
1352 .anchor_after(end.to_point(&snapshot.display_snapshot));
1353
1354 let Some(selection) = snapshot.remote_selections_in_range(&range, hub, cx).next() else {
1355 return;
1356 };
1357 let key = crate::HoveredCursor {
1358 replica_id: selection.replica_id,
1359 selection_id: selection.selection.id,
1360 };
1361 editor.hovered_cursors.insert(
1362 key.clone(),
1363 cx.spawn_in(window, async move |editor, cx| {
1364 cx.background_executor().timer(CURSORS_VISIBLE_FOR).await;
1365 editor
1366 .update(cx, |editor, cx| {
1367 editor.hovered_cursors.remove(&key);
1368 cx.notify();
1369 })
1370 .ok();
1371 }),
1372 );
1373 cx.notify()
1374 }
1375
1376 fn layout_selections(
1377 &self,
1378 start_anchor: Anchor,
1379 end_anchor: Anchor,
1380 local_selections: &[Selection<Point>],
1381 snapshot: &EditorSnapshot,
1382 start_row: DisplayRow,
1383 end_row: DisplayRow,
1384 window: &mut Window,
1385 cx: &mut App,
1386 ) -> (
1387 Vec<(PlayerColor, Vec<SelectionLayout>)>,
1388 BTreeMap<DisplayRow, LineHighlightSpec>,
1389 Option<DisplayPoint>,
1390 ) {
1391 let mut selections: Vec<(PlayerColor, Vec<SelectionLayout>)> = Vec::new();
1392 let mut active_rows = BTreeMap::new();
1393 let mut newest_selection_head = None;
1394
1395 let Some(editor_with_selections) = self.editor_with_selections(cx) else {
1396 return (selections, active_rows, newest_selection_head);
1397 };
1398
1399 editor_with_selections.update(cx, |editor, cx| {
1400 if editor.show_local_selections {
1401 let mut layouts = Vec::new();
1402 let newest = editor.selections.newest(&editor.display_snapshot(cx));
1403 for selection in local_selections.iter().cloned() {
1404 let is_empty = selection.start == selection.end;
1405 let is_newest = selection == newest;
1406
1407 let layout = SelectionLayout::new(
1408 selection,
1409 editor.selections.line_mode(),
1410 editor.cursor_shape,
1411 &snapshot.display_snapshot,
1412 is_newest,
1413 editor.leader_id.is_none(),
1414 None,
1415 );
1416 if is_newest {
1417 newest_selection_head = Some(layout.head);
1418 }
1419
1420 for row in cmp::max(layout.active_rows.start.0, start_row.0)
1421 ..=cmp::min(layout.active_rows.end.0, end_row.0)
1422 {
1423 let contains_non_empty_selection = active_rows
1424 .entry(DisplayRow(row))
1425 .or_insert_with(LineHighlightSpec::default);
1426 contains_non_empty_selection.selection |= !is_empty;
1427 }
1428 layouts.push(layout);
1429 }
1430
1431 let player = editor.current_user_player_color(cx);
1432 selections.push((player, layouts));
1433
1434 if let SelectionDragState::Dragging {
1435 ref selection,
1436 ref drop_cursor,
1437 ref hide_drop_cursor,
1438 } = editor.selection_drag_state
1439 && !hide_drop_cursor
1440 && (drop_cursor
1441 .start
1442 .cmp(&selection.start, &snapshot.buffer_snapshot())
1443 .eq(&Ordering::Less)
1444 || drop_cursor
1445 .end
1446 .cmp(&selection.end, &snapshot.buffer_snapshot())
1447 .eq(&Ordering::Greater))
1448 {
1449 let drag_cursor_layout = SelectionLayout::new(
1450 drop_cursor.clone(),
1451 false,
1452 CursorShape::Bar,
1453 &snapshot.display_snapshot,
1454 false,
1455 false,
1456 None,
1457 );
1458 let absent_color = cx.theme().players().absent();
1459 selections.push((absent_color, vec![drag_cursor_layout]));
1460 }
1461 }
1462
1463 if let Some(collaboration_hub) = &editor.collaboration_hub {
1464 // When following someone, render the local selections in their color.
1465 if let Some(leader_id) = editor.leader_id {
1466 match leader_id {
1467 CollaboratorId::PeerId(peer_id) => {
1468 if let Some(collaborator) =
1469 collaboration_hub.collaborators(cx).get(&peer_id)
1470 && let Some(participant_index) = collaboration_hub
1471 .user_participant_indices(cx)
1472 .get(&collaborator.user_id)
1473 && let Some((local_selection_style, _)) = selections.first_mut()
1474 {
1475 *local_selection_style = cx
1476 .theme()
1477 .players()
1478 .color_for_participant(participant_index.0);
1479 }
1480 }
1481 CollaboratorId::Agent => {
1482 if let Some((local_selection_style, _)) = selections.first_mut() {
1483 *local_selection_style = cx.theme().players().agent();
1484 }
1485 }
1486 }
1487 }
1488
1489 let mut remote_selections = HashMap::default();
1490 for selection in snapshot.remote_selections_in_range(
1491 &(start_anchor..end_anchor),
1492 collaboration_hub.as_ref(),
1493 cx,
1494 ) {
1495 // Don't re-render the leader's selections, since the local selections
1496 // match theirs.
1497 if Some(selection.collaborator_id) == editor.leader_id {
1498 continue;
1499 }
1500 let key = HoveredCursor {
1501 replica_id: selection.replica_id,
1502 selection_id: selection.selection.id,
1503 };
1504
1505 let is_shown =
1506 editor.show_cursor_names || editor.hovered_cursors.contains_key(&key);
1507
1508 remote_selections
1509 .entry(selection.replica_id)
1510 .or_insert((selection.color, Vec::new()))
1511 .1
1512 .push(SelectionLayout::new(
1513 selection.selection,
1514 selection.line_mode,
1515 selection.cursor_shape,
1516 &snapshot.display_snapshot,
1517 false,
1518 false,
1519 if is_shown { selection.user_name } else { None },
1520 ));
1521 }
1522
1523 selections.extend(remote_selections.into_values());
1524 } else if !editor.is_focused(window) && editor.show_cursor_when_unfocused {
1525 let layouts = snapshot
1526 .buffer_snapshot()
1527 .selections_in_range(&(start_anchor..end_anchor), true)
1528 .map(move |(_, line_mode, cursor_shape, selection)| {
1529 SelectionLayout::new(
1530 selection,
1531 line_mode,
1532 cursor_shape,
1533 &snapshot.display_snapshot,
1534 false,
1535 false,
1536 None,
1537 )
1538 })
1539 .collect::<Vec<_>>();
1540 let player = editor.current_user_player_color(cx);
1541 selections.push((player, layouts));
1542 }
1543 });
1544
1545 #[cfg(debug_assertions)]
1546 Self::layout_debug_ranges(
1547 &mut selections,
1548 start_anchor..end_anchor,
1549 &snapshot.display_snapshot,
1550 cx,
1551 );
1552
1553 (selections, active_rows, newest_selection_head)
1554 }
1555
1556 fn collect_cursors(
1557 &self,
1558 snapshot: &EditorSnapshot,
1559 cx: &mut App,
1560 ) -> Vec<(DisplayPoint, Hsla)> {
1561 let editor = self.editor.read(cx);
1562 let mut cursors = Vec::new();
1563 let mut skip_local = false;
1564 let mut add_cursor = |anchor: Anchor, color| {
1565 cursors.push((anchor.to_display_point(&snapshot.display_snapshot), color));
1566 };
1567 // Remote cursors
1568 if let Some(collaboration_hub) = &editor.collaboration_hub {
1569 for remote_selection in snapshot.remote_selections_in_range(
1570 &(Anchor::min()..Anchor::max()),
1571 collaboration_hub.deref(),
1572 cx,
1573 ) {
1574 add_cursor(
1575 remote_selection.selection.head(),
1576 remote_selection.color.cursor,
1577 );
1578 if Some(remote_selection.collaborator_id) == editor.leader_id {
1579 skip_local = true;
1580 }
1581 }
1582 }
1583 // Local cursors
1584 if !skip_local {
1585 let color = cx.theme().players().local().cursor;
1586 editor
1587 .selections
1588 .disjoint_anchors()
1589 .iter()
1590 .for_each(|selection| {
1591 add_cursor(selection.head(), color);
1592 });
1593 if let Some(ref selection) = editor.selections.pending_anchor() {
1594 add_cursor(selection.head(), color);
1595 }
1596 }
1597 cursors
1598 }
1599
1600 fn layout_visible_cursors(
1601 &self,
1602 snapshot: &EditorSnapshot,
1603 selections: &[(PlayerColor, Vec<SelectionLayout>)],
1604 row_block_types: &HashMap<DisplayRow, bool>,
1605 visible_display_row_range: Range<DisplayRow>,
1606 line_layouts: &[LineWithInvisibles],
1607 text_hitbox: &Hitbox,
1608 content_origin: gpui::Point<Pixels>,
1609 scroll_position: gpui::Point<ScrollOffset>,
1610 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
1611 line_height: Pixels,
1612 em_width: Pixels,
1613 em_advance: Pixels,
1614 autoscroll_containing_element: bool,
1615 window: &mut Window,
1616 cx: &mut App,
1617 ) -> Vec<CursorLayout> {
1618 let mut autoscroll_bounds = None;
1619 let cursor_layouts = self.editor.update(cx, |editor, cx| {
1620 let mut cursors = Vec::new();
1621
1622 let show_local_cursors = editor.show_local_cursors(window, cx);
1623
1624 for (player_color, selections) in selections {
1625 for selection in selections {
1626 let cursor_position = selection.head;
1627
1628 let in_range = visible_display_row_range.contains(&cursor_position.row());
1629 if (selection.is_local && !show_local_cursors)
1630 || !in_range
1631 || row_block_types.get(&cursor_position.row()) == Some(&true)
1632 {
1633 continue;
1634 }
1635
1636 let cursor_row_layout = &line_layouts
1637 [cursor_position.row().minus(visible_display_row_range.start) as usize];
1638 let cursor_column = cursor_position.column() as usize;
1639
1640 let cursor_character_x = cursor_row_layout.x_for_index(cursor_column);
1641 let mut block_width =
1642 cursor_row_layout.x_for_index(cursor_column + 1) - cursor_character_x;
1643 if block_width == Pixels::ZERO {
1644 block_width = em_advance;
1645 }
1646 let block_text = if let CursorShape::Block = selection.cursor_shape {
1647 snapshot
1648 .grapheme_at(cursor_position)
1649 .or_else(|| {
1650 if snapshot.is_empty() {
1651 snapshot.placeholder_text().and_then(|s| {
1652 s.graphemes(true).next().map(|s| s.to_string().into())
1653 })
1654 } else {
1655 None
1656 }
1657 })
1658 .map(|text| {
1659 let len = text.len();
1660
1661 let mut font = cursor_row_layout
1662 .font_id_for_index(cursor_column)
1663 .and_then(|cursor_font_id| {
1664 window.text_system().get_font_for_id(cursor_font_id)
1665 })
1666 .unwrap_or(self.style.text.font());
1667 font.features = self.style.text.font_features.clone();
1668
1669 // Invert the text color for the block cursor. Ensure that the text
1670 // color is opaque enough to be visible against the background color.
1671 //
1672 // 0.75 is an arbitrary threshold to determine if the background color is
1673 // opaque enough to use as a text color.
1674 //
1675 // TODO: In the future we should ensure themes have a `text_inverse` color.
1676 let color = if cx.theme().colors().editor_background.a < 0.75 {
1677 match cx.theme().appearance {
1678 Appearance::Dark => Hsla::black(),
1679 Appearance::Light => Hsla::white(),
1680 }
1681 } else {
1682 cx.theme().colors().editor_background
1683 };
1684
1685 window.text_system().shape_line(
1686 text,
1687 cursor_row_layout.font_size,
1688 &[TextRun {
1689 len,
1690 font,
1691 color,
1692 background_color: None,
1693 strikethrough: None,
1694 underline: None,
1695 }],
1696 None,
1697 )
1698 })
1699 } else {
1700 None
1701 };
1702
1703 let x = cursor_character_x - scroll_pixel_position.x.into();
1704 let y = ((cursor_position.row().as_f64() - scroll_position.y)
1705 * ScrollPixelOffset::from(line_height))
1706 .into();
1707 if selection.is_newest {
1708 editor.pixel_position_of_newest_cursor = Some(point(
1709 text_hitbox.origin.x + x + block_width / 2.,
1710 text_hitbox.origin.y + y + line_height / 2.,
1711 ));
1712
1713 if autoscroll_containing_element {
1714 let top = text_hitbox.origin.y
1715 + ((cursor_position.row().as_f64() - scroll_position.y - 3.)
1716 .max(0.)
1717 * ScrollPixelOffset::from(line_height))
1718 .into();
1719 let left = text_hitbox.origin.x
1720 + ((cursor_position.column() as ScrollOffset
1721 - scroll_position.x
1722 - 3.)
1723 .max(0.)
1724 * ScrollPixelOffset::from(em_width))
1725 .into();
1726
1727 let bottom = text_hitbox.origin.y
1728 + ((cursor_position.row().as_f64() - scroll_position.y + 4.)
1729 * ScrollPixelOffset::from(line_height))
1730 .into();
1731 let right = text_hitbox.origin.x
1732 + ((cursor_position.column() as ScrollOffset - scroll_position.x
1733 + 4.)
1734 * ScrollPixelOffset::from(em_width))
1735 .into();
1736
1737 autoscroll_bounds =
1738 Some(Bounds::from_corners(point(left, top), point(right, bottom)))
1739 }
1740 }
1741
1742 let mut cursor = CursorLayout {
1743 color: player_color.cursor,
1744 block_width,
1745 origin: point(x, y),
1746 line_height,
1747 shape: selection.cursor_shape,
1748 block_text,
1749 cursor_name: None,
1750 };
1751 let cursor_name = selection.user_name.clone().map(|name| CursorName {
1752 string: name,
1753 color: self.style.background,
1754 is_top_row: cursor_position.row().0 == 0,
1755 });
1756 cursor.layout(content_origin, cursor_name, window, cx);
1757 cursors.push(cursor);
1758 }
1759 }
1760
1761 cursors
1762 });
1763
1764 if let Some(bounds) = autoscroll_bounds {
1765 window.request_autoscroll(bounds);
1766 }
1767
1768 cursor_layouts
1769 }
1770
1771 fn layout_scrollbars(
1772 &self,
1773 snapshot: &EditorSnapshot,
1774 scrollbar_layout_information: &ScrollbarLayoutInformation,
1775 content_offset: gpui::Point<Pixels>,
1776 scroll_position: gpui::Point<ScrollOffset>,
1777 non_visible_cursors: bool,
1778 right_margin: Pixels,
1779 editor_width: Pixels,
1780 window: &mut Window,
1781 cx: &mut App,
1782 ) -> Option<EditorScrollbars> {
1783 let show_scrollbars = self.editor.read(cx).show_scrollbars;
1784 if (!show_scrollbars.horizontal && !show_scrollbars.vertical)
1785 || self.style.scrollbar_width.is_zero()
1786 {
1787 return None;
1788 }
1789
1790 // If a drag took place after we started dragging the scrollbar,
1791 // cancel the scrollbar drag.
1792 if cx.has_active_drag() {
1793 self.editor.update(cx, |editor, cx| {
1794 editor.scroll_manager.reset_scrollbar_state(cx)
1795 });
1796 }
1797
1798 let editor_settings = EditorSettings::get_global(cx);
1799 let scrollbar_settings = editor_settings.scrollbar;
1800 let show_scrollbars = match scrollbar_settings.show {
1801 ShowScrollbar::Auto => {
1802 let editor = self.editor.read(cx);
1803 let is_singleton = editor.buffer_kind(cx) == ItemBufferKind::Singleton;
1804 // Git
1805 (is_singleton && scrollbar_settings.git_diff && snapshot.buffer_snapshot().has_diff_hunks())
1806 ||
1807 // Buffer Search Results
1808 (is_singleton && scrollbar_settings.search_results && editor.has_background_highlights::<BufferSearchHighlights>())
1809 ||
1810 // Selected Text Occurrences
1811 (is_singleton && scrollbar_settings.selected_text && editor.has_background_highlights::<SelectedTextHighlight>())
1812 ||
1813 // Selected Symbol Occurrences
1814 (is_singleton && scrollbar_settings.selected_symbol && (editor.has_background_highlights::<DocumentHighlightRead>() || editor.has_background_highlights::<DocumentHighlightWrite>()))
1815 ||
1816 // Diagnostics
1817 (is_singleton && scrollbar_settings.diagnostics != ScrollbarDiagnostics::None && snapshot.buffer_snapshot().has_diagnostics())
1818 ||
1819 // Cursors out of sight
1820 non_visible_cursors
1821 ||
1822 // Scrollmanager
1823 editor.scroll_manager.scrollbars_visible()
1824 }
1825 ShowScrollbar::System => self.editor.read(cx).scroll_manager.scrollbars_visible(),
1826 ShowScrollbar::Always => true,
1827 ShowScrollbar::Never => return None,
1828 };
1829
1830 // The horizontal scrollbar is usually slightly offset to align nicely with
1831 // indent guides. However, this offset is not needed if indent guides are
1832 // disabled for the current editor.
1833 let content_offset = self
1834 .editor
1835 .read(cx)
1836 .show_indent_guides
1837 .is_none_or(|should_show| should_show)
1838 .then_some(content_offset)
1839 .unwrap_or_default();
1840
1841 Some(EditorScrollbars::from_scrollbar_axes(
1842 ScrollbarAxes {
1843 horizontal: scrollbar_settings.axes.horizontal
1844 && self.editor.read(cx).show_scrollbars.horizontal,
1845 vertical: scrollbar_settings.axes.vertical
1846 && self.editor.read(cx).show_scrollbars.vertical,
1847 },
1848 scrollbar_layout_information,
1849 content_offset,
1850 scroll_position,
1851 self.style.scrollbar_width,
1852 right_margin,
1853 editor_width,
1854 show_scrollbars,
1855 self.editor.read(cx).scroll_manager.active_scrollbar_state(),
1856 window,
1857 ))
1858 }
1859
1860 fn layout_minimap(
1861 &self,
1862 snapshot: &EditorSnapshot,
1863 minimap_width: Pixels,
1864 scroll_position: gpui::Point<f64>,
1865 scrollbar_layout_information: &ScrollbarLayoutInformation,
1866 scrollbar_layout: Option<&EditorScrollbars>,
1867 window: &mut Window,
1868 cx: &mut App,
1869 ) -> Option<MinimapLayout> {
1870 let minimap_editor = self.editor.read(cx).minimap().cloned()?;
1871
1872 let minimap_settings = EditorSettings::get_global(cx).minimap;
1873
1874 if minimap_settings.on_active_editor() {
1875 let active_editor = self.editor.read(cx).workspace().and_then(|ws| {
1876 ws.read(cx)
1877 .active_pane()
1878 .read(cx)
1879 .active_item()
1880 .and_then(|i| i.act_as::<Editor>(cx))
1881 });
1882 if active_editor.is_some_and(|e| e != self.editor) {
1883 return None;
1884 }
1885 }
1886
1887 if !snapshot.mode.is_full()
1888 || minimap_width.is_zero()
1889 || matches!(
1890 minimap_settings.show,
1891 ShowMinimap::Auto if scrollbar_layout.is_none_or(|layout| !layout.visible)
1892 )
1893 {
1894 return None;
1895 }
1896
1897 const MINIMAP_AXIS: ScrollbarAxis = ScrollbarAxis::Vertical;
1898
1899 let ScrollbarLayoutInformation {
1900 editor_bounds,
1901 scroll_range,
1902 glyph_grid_cell,
1903 } = scrollbar_layout_information;
1904
1905 let line_height = glyph_grid_cell.height;
1906 let scroll_position = scroll_position.along(MINIMAP_AXIS);
1907
1908 let top_right_anchor = scrollbar_layout
1909 .and_then(|layout| layout.vertical.as_ref())
1910 .map(|vertical_scrollbar| vertical_scrollbar.hitbox.origin)
1911 .unwrap_or_else(|| editor_bounds.top_right());
1912
1913 let thumb_state = self
1914 .editor
1915 .read_with(cx, |editor, _| editor.scroll_manager.minimap_thumb_state());
1916
1917 let show_thumb = match minimap_settings.thumb {
1918 MinimapThumb::Always => true,
1919 MinimapThumb::Hover => thumb_state.is_some(),
1920 };
1921
1922 let minimap_bounds = Bounds::from_corner_and_size(
1923 Corner::TopRight,
1924 top_right_anchor,
1925 size(minimap_width, editor_bounds.size.height),
1926 );
1927 let minimap_line_height = self.get_minimap_line_height(
1928 minimap_editor
1929 .read(cx)
1930 .text_style_refinement
1931 .as_ref()
1932 .and_then(|refinement| refinement.font_size)
1933 .unwrap_or(MINIMAP_FONT_SIZE),
1934 window,
1935 cx,
1936 );
1937 let minimap_height = minimap_bounds.size.height;
1938
1939 let visible_editor_lines = (editor_bounds.size.height / line_height) as f64;
1940 let total_editor_lines = (scroll_range.height / line_height) as f64;
1941 let minimap_lines = (minimap_height / minimap_line_height) as f64;
1942
1943 let minimap_scroll_top = MinimapLayout::calculate_minimap_top_offset(
1944 total_editor_lines,
1945 visible_editor_lines,
1946 minimap_lines,
1947 scroll_position,
1948 );
1949
1950 let layout = ScrollbarLayout::for_minimap(
1951 window.insert_hitbox(minimap_bounds, HitboxBehavior::Normal),
1952 visible_editor_lines,
1953 total_editor_lines,
1954 minimap_line_height,
1955 scroll_position,
1956 minimap_scroll_top,
1957 show_thumb,
1958 )
1959 .with_thumb_state(thumb_state);
1960
1961 minimap_editor.update(cx, |editor, cx| {
1962 editor.set_scroll_position(point(0., minimap_scroll_top), window, cx)
1963 });
1964
1965 // Required for the drop shadow to be visible
1966 const PADDING_OFFSET: Pixels = px(4.);
1967
1968 let mut minimap = div()
1969 .size_full()
1970 .shadow_xs()
1971 .px(PADDING_OFFSET)
1972 .child(minimap_editor)
1973 .into_any_element();
1974
1975 let extended_bounds = minimap_bounds.extend(Edges {
1976 right: PADDING_OFFSET,
1977 left: PADDING_OFFSET,
1978 ..Default::default()
1979 });
1980 minimap.layout_as_root(extended_bounds.size.into(), window, cx);
1981 window.with_absolute_element_offset(extended_bounds.origin, |window| {
1982 minimap.prepaint(window, cx)
1983 });
1984
1985 Some(MinimapLayout {
1986 minimap,
1987 thumb_layout: layout,
1988 thumb_border_style: minimap_settings.thumb_border,
1989 minimap_line_height,
1990 minimap_scroll_top,
1991 max_scroll_top: total_editor_lines,
1992 })
1993 }
1994
1995 fn get_minimap_line_height(
1996 &self,
1997 font_size: AbsoluteLength,
1998 window: &mut Window,
1999 cx: &mut App,
2000 ) -> Pixels {
2001 let rem_size = self.rem_size(cx).unwrap_or(window.rem_size());
2002 let mut text_style = self.style.text.clone();
2003 text_style.font_size = font_size;
2004 text_style.line_height_in_pixels(rem_size)
2005 }
2006
2007 fn get_minimap_width(
2008 &self,
2009 minimap_settings: &Minimap,
2010 scrollbars_shown: bool,
2011 text_width: Pixels,
2012 em_width: Pixels,
2013 font_size: Pixels,
2014 rem_size: Pixels,
2015 cx: &App,
2016 ) -> Option<Pixels> {
2017 if minimap_settings.show == ShowMinimap::Auto && !scrollbars_shown {
2018 return None;
2019 }
2020
2021 let minimap_font_size = self.editor.read_with(cx, |editor, cx| {
2022 editor.minimap().map(|minimap_editor| {
2023 minimap_editor
2024 .read(cx)
2025 .text_style_refinement
2026 .as_ref()
2027 .and_then(|refinement| refinement.font_size)
2028 .unwrap_or(MINIMAP_FONT_SIZE)
2029 })
2030 })?;
2031
2032 let minimap_em_width = em_width * (minimap_font_size.to_pixels(rem_size) / font_size);
2033
2034 let minimap_width = (text_width * MinimapLayout::MINIMAP_WIDTH_PCT)
2035 .min(minimap_em_width * minimap_settings.max_width_columns.get() as f32);
2036
2037 (minimap_width >= minimap_em_width * MinimapLayout::MINIMAP_MIN_WIDTH_COLUMNS)
2038 .then_some(minimap_width)
2039 }
2040
2041 fn prepaint_crease_toggles(
2042 &self,
2043 crease_toggles: &mut [Option<AnyElement>],
2044 line_height: Pixels,
2045 gutter_dimensions: &GutterDimensions,
2046 gutter_settings: crate::editor_settings::Gutter,
2047 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2048 gutter_hitbox: &Hitbox,
2049 window: &mut Window,
2050 cx: &mut App,
2051 ) {
2052 for (ix, crease_toggle) in crease_toggles.iter_mut().enumerate() {
2053 if let Some(crease_toggle) = crease_toggle {
2054 debug_assert!(gutter_settings.folds);
2055 let available_space = size(
2056 AvailableSpace::MinContent,
2057 AvailableSpace::Definite(line_height * 0.55),
2058 );
2059 let crease_toggle_size = crease_toggle.layout_as_root(available_space, window, cx);
2060
2061 let position = point(
2062 gutter_dimensions.width - gutter_dimensions.right_padding,
2063 ix as f32 * line_height
2064 - (scroll_pixel_position.y % ScrollPixelOffset::from(line_height)).into(),
2065 );
2066 let centering_offset = point(
2067 (gutter_dimensions.fold_area_width() - crease_toggle_size.width) / 2.,
2068 (line_height - crease_toggle_size.height) / 2.,
2069 );
2070 let origin = gutter_hitbox.origin + position + centering_offset;
2071 crease_toggle.prepaint_as_root(origin, available_space, window, cx);
2072 }
2073 }
2074 }
2075
2076 fn prepaint_expand_toggles(
2077 &self,
2078 expand_toggles: &mut [Option<(AnyElement, gpui::Point<Pixels>)>],
2079 window: &mut Window,
2080 cx: &mut App,
2081 ) {
2082 for (expand_toggle, origin) in expand_toggles.iter_mut().flatten() {
2083 let available_space = size(AvailableSpace::MinContent, AvailableSpace::MinContent);
2084 expand_toggle.layout_as_root(available_space, window, cx);
2085 expand_toggle.prepaint_as_root(*origin, available_space, window, cx);
2086 }
2087 }
2088
2089 fn prepaint_crease_trailers(
2090 &self,
2091 trailers: Vec<Option<AnyElement>>,
2092 lines: &[LineWithInvisibles],
2093 line_height: Pixels,
2094 content_origin: gpui::Point<Pixels>,
2095 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2096 em_width: Pixels,
2097 window: &mut Window,
2098 cx: &mut App,
2099 ) -> Vec<Option<CreaseTrailerLayout>> {
2100 trailers
2101 .into_iter()
2102 .enumerate()
2103 .map(|(ix, element)| {
2104 let mut element = element?;
2105 let available_space = size(
2106 AvailableSpace::MinContent,
2107 AvailableSpace::Definite(line_height),
2108 );
2109 let size = element.layout_as_root(available_space, window, cx);
2110
2111 let line = &lines[ix];
2112 let padding = if line.width == Pixels::ZERO {
2113 Pixels::ZERO
2114 } else {
2115 4. * em_width
2116 };
2117 let position = point(
2118 Pixels::from(scroll_pixel_position.x) + line.width + padding,
2119 ix as f32 * line_height
2120 - (scroll_pixel_position.y % ScrollPixelOffset::from(line_height)).into(),
2121 );
2122 let centering_offset = point(px(0.), (line_height - size.height) / 2.);
2123 let origin = content_origin + position + centering_offset;
2124 element.prepaint_as_root(origin, available_space, window, cx);
2125 Some(CreaseTrailerLayout {
2126 element,
2127 bounds: Bounds::new(origin, size),
2128 })
2129 })
2130 .collect()
2131 }
2132
2133 // Folds contained in a hunk are ignored apart from shrinking visual size
2134 // If a fold contains any hunks then that fold line is marked as modified
2135 fn layout_gutter_diff_hunks(
2136 &self,
2137 line_height: Pixels,
2138 gutter_hitbox: &Hitbox,
2139 display_rows: Range<DisplayRow>,
2140 snapshot: &EditorSnapshot,
2141 window: &mut Window,
2142 cx: &mut App,
2143 ) -> Vec<(DisplayDiffHunk, Option<Hitbox>)> {
2144 let folded_buffers = self.editor.read(cx).folded_buffers(cx);
2145 let mut display_hunks = snapshot
2146 .display_diff_hunks_for_rows(display_rows, folded_buffers)
2147 .map(|hunk| (hunk, None))
2148 .collect::<Vec<_>>();
2149 let git_gutter_setting = ProjectSettings::get_global(cx).git.git_gutter;
2150 if let GitGutterSetting::TrackedFiles = git_gutter_setting {
2151 for (hunk, hitbox) in &mut display_hunks {
2152 if matches!(hunk, DisplayDiffHunk::Unfolded { .. }) {
2153 let hunk_bounds =
2154 Self::diff_hunk_bounds(snapshot, line_height, gutter_hitbox.bounds, hunk);
2155 *hitbox = Some(window.insert_hitbox(hunk_bounds, HitboxBehavior::BlockMouse));
2156 }
2157 }
2158 }
2159
2160 display_hunks
2161 }
2162
2163 fn layout_inline_diagnostics(
2164 &self,
2165 line_layouts: &[LineWithInvisibles],
2166 crease_trailers: &[Option<CreaseTrailerLayout>],
2167 row_block_types: &HashMap<DisplayRow, bool>,
2168 content_origin: gpui::Point<Pixels>,
2169 scroll_position: gpui::Point<ScrollOffset>,
2170 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2171 edit_prediction_popover_origin: Option<gpui::Point<Pixels>>,
2172 start_row: DisplayRow,
2173 end_row: DisplayRow,
2174 line_height: Pixels,
2175 em_width: Pixels,
2176 style: &EditorStyle,
2177 window: &mut Window,
2178 cx: &mut App,
2179 ) -> HashMap<DisplayRow, AnyElement> {
2180 let max_severity = match self
2181 .editor
2182 .read(cx)
2183 .inline_diagnostics_enabled()
2184 .then(|| {
2185 ProjectSettings::get_global(cx)
2186 .diagnostics
2187 .inline
2188 .max_severity
2189 .unwrap_or_else(|| self.editor.read(cx).diagnostics_max_severity)
2190 .into_lsp()
2191 })
2192 .flatten()
2193 {
2194 Some(max_severity) => max_severity,
2195 None => return HashMap::default(),
2196 };
2197
2198 let active_diagnostics_group =
2199 if let ActiveDiagnostic::Group(group) = &self.editor.read(cx).active_diagnostics {
2200 Some(group.group_id)
2201 } else {
2202 None
2203 };
2204
2205 let diagnostics_by_rows = self.editor.update(cx, |editor, cx| {
2206 let snapshot = editor.snapshot(window, cx);
2207 editor
2208 .inline_diagnostics
2209 .iter()
2210 .filter(|(_, diagnostic)| diagnostic.severity <= max_severity)
2211 .filter(|(_, diagnostic)| match active_diagnostics_group {
2212 Some(active_diagnostics_group) => {
2213 // Active diagnostics are all shown in the editor already, no need to display them inline
2214 diagnostic.group_id != active_diagnostics_group
2215 }
2216 None => true,
2217 })
2218 .map(|(point, diag)| (point.to_display_point(&snapshot), diag.clone()))
2219 .skip_while(|(point, _)| point.row() < start_row)
2220 .take_while(|(point, _)| point.row() < end_row)
2221 .filter(|(point, _)| !row_block_types.contains_key(&point.row()))
2222 .fold(HashMap::default(), |mut acc, (point, diagnostic)| {
2223 acc.entry(point.row())
2224 .or_insert_with(Vec::new)
2225 .push(diagnostic);
2226 acc
2227 })
2228 });
2229
2230 if diagnostics_by_rows.is_empty() {
2231 return HashMap::default();
2232 }
2233
2234 let severity_to_color = |sev: &lsp::DiagnosticSeverity| match sev {
2235 &lsp::DiagnosticSeverity::ERROR => Color::Error,
2236 &lsp::DiagnosticSeverity::WARNING => Color::Warning,
2237 &lsp::DiagnosticSeverity::INFORMATION => Color::Info,
2238 &lsp::DiagnosticSeverity::HINT => Color::Hint,
2239 _ => Color::Error,
2240 };
2241
2242 let padding = ProjectSettings::get_global(cx).diagnostics.inline.padding as f32 * em_width;
2243 let min_x = self.column_pixels(
2244 ProjectSettings::get_global(cx)
2245 .diagnostics
2246 .inline
2247 .min_column as usize,
2248 window,
2249 );
2250
2251 let mut elements = HashMap::default();
2252 for (row, mut diagnostics) in diagnostics_by_rows {
2253 diagnostics.sort_by_key(|diagnostic| {
2254 (
2255 diagnostic.severity,
2256 std::cmp::Reverse(diagnostic.is_primary),
2257 diagnostic.start.row,
2258 diagnostic.start.column,
2259 )
2260 });
2261
2262 let Some(diagnostic_to_render) = diagnostics
2263 .iter()
2264 .find(|diagnostic| diagnostic.is_primary)
2265 .or_else(|| diagnostics.first())
2266 else {
2267 continue;
2268 };
2269
2270 let pos_y = content_origin.y + line_height * (row.0 as f64 - scroll_position.y) as f32;
2271
2272 let window_ix = row.0.saturating_sub(start_row.0) as usize;
2273 let pos_x = {
2274 let crease_trailer_layout = &crease_trailers[window_ix];
2275 let line_layout = &line_layouts[window_ix];
2276
2277 let line_end = if let Some(crease_trailer) = crease_trailer_layout {
2278 crease_trailer.bounds.right()
2279 } else {
2280 Pixels::from(
2281 ScrollPixelOffset::from(content_origin.x + line_layout.width)
2282 - scroll_pixel_position.x,
2283 )
2284 };
2285
2286 let padded_line = line_end + padding;
2287 let min_start = Pixels::from(
2288 ScrollPixelOffset::from(content_origin.x + min_x) - scroll_pixel_position.x,
2289 );
2290
2291 cmp::max(padded_line, min_start)
2292 };
2293
2294 let behind_edit_prediction_popover = edit_prediction_popover_origin
2295 .as_ref()
2296 .is_some_and(|edit_prediction_popover_origin| {
2297 (pos_y..pos_y + line_height).contains(&edit_prediction_popover_origin.y)
2298 });
2299 let opacity = if behind_edit_prediction_popover {
2300 0.5
2301 } else {
2302 1.0
2303 };
2304
2305 let mut element = h_flex()
2306 .id(("diagnostic", row.0))
2307 .h(line_height)
2308 .w_full()
2309 .px_1()
2310 .rounded_xs()
2311 .opacity(opacity)
2312 .bg(severity_to_color(&diagnostic_to_render.severity)
2313 .color(cx)
2314 .opacity(0.05))
2315 .text_color(severity_to_color(&diagnostic_to_render.severity).color(cx))
2316 .text_sm()
2317 .font_family(style.text.font().family)
2318 .child(diagnostic_to_render.message.clone())
2319 .into_any();
2320
2321 element.prepaint_as_root(point(pos_x, pos_y), AvailableSpace::min_size(), window, cx);
2322
2323 elements.insert(row, element);
2324 }
2325
2326 elements
2327 }
2328
2329 fn layout_inline_code_actions(
2330 &self,
2331 display_point: DisplayPoint,
2332 content_origin: gpui::Point<Pixels>,
2333 scroll_position: gpui::Point<ScrollOffset>,
2334 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2335 line_height: Pixels,
2336 snapshot: &EditorSnapshot,
2337 window: &mut Window,
2338 cx: &mut App,
2339 ) -> Option<AnyElement> {
2340 if !snapshot
2341 .show_code_actions
2342 .unwrap_or(EditorSettings::get_global(cx).inline_code_actions)
2343 {
2344 return None;
2345 }
2346
2347 let icon_size = ui::IconSize::XSmall;
2348 let mut button = self.editor.update(cx, |editor, cx| {
2349 editor.available_code_actions.as_ref()?;
2350 let active = editor
2351 .context_menu
2352 .borrow()
2353 .as_ref()
2354 .and_then(|menu| {
2355 if let crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2356 deployed_from,
2357 ..
2358 }) = menu
2359 {
2360 deployed_from.as_ref()
2361 } else {
2362 None
2363 }
2364 })
2365 .is_some_and(|source| matches!(source, CodeActionSource::Indicator(..)));
2366 Some(editor.render_inline_code_actions(icon_size, display_point.row(), active, cx))
2367 })?;
2368
2369 let buffer_point = display_point.to_point(&snapshot.display_snapshot);
2370
2371 // do not show code action for folded line
2372 if snapshot.is_line_folded(MultiBufferRow(buffer_point.row)) {
2373 return None;
2374 }
2375
2376 // do not show code action for blank line with cursor
2377 let line_indent = snapshot
2378 .display_snapshot
2379 .buffer_snapshot()
2380 .line_indent_for_row(MultiBufferRow(buffer_point.row));
2381 if line_indent.is_line_blank() {
2382 return None;
2383 }
2384
2385 const INLINE_SLOT_CHAR_LIMIT: u32 = 4;
2386 const MAX_ALTERNATE_DISTANCE: u32 = 8;
2387
2388 let excerpt_id = snapshot
2389 .display_snapshot
2390 .buffer_snapshot()
2391 .excerpt_containing(buffer_point..buffer_point)
2392 .map(|excerpt| excerpt.id());
2393
2394 let is_valid_row = |row_candidate: u32| -> bool {
2395 // move to other row if folded row
2396 if snapshot.is_line_folded(MultiBufferRow(row_candidate)) {
2397 return false;
2398 }
2399 if buffer_point.row == row_candidate {
2400 // move to other row if cursor is in slot
2401 if buffer_point.column < INLINE_SLOT_CHAR_LIMIT {
2402 return false;
2403 }
2404 } else {
2405 let candidate_point = MultiBufferPoint {
2406 row: row_candidate,
2407 column: 0,
2408 };
2409 let candidate_excerpt_id = snapshot
2410 .display_snapshot
2411 .buffer_snapshot()
2412 .excerpt_containing(candidate_point..candidate_point)
2413 .map(|excerpt| excerpt.id());
2414 // move to other row if different excerpt
2415 if excerpt_id != candidate_excerpt_id {
2416 return false;
2417 }
2418 }
2419 let line_indent = snapshot
2420 .display_snapshot
2421 .buffer_snapshot()
2422 .line_indent_for_row(MultiBufferRow(row_candidate));
2423 // use this row if it's blank
2424 if line_indent.is_line_blank() {
2425 true
2426 } else {
2427 // use this row if code starts after slot
2428 let indent_size = snapshot
2429 .display_snapshot
2430 .buffer_snapshot()
2431 .indent_size_for_line(MultiBufferRow(row_candidate));
2432 indent_size.len >= INLINE_SLOT_CHAR_LIMIT
2433 }
2434 };
2435
2436 let new_buffer_row = if is_valid_row(buffer_point.row) {
2437 Some(buffer_point.row)
2438 } else {
2439 let max_row = snapshot.display_snapshot.buffer_snapshot().max_point().row;
2440 (1..=MAX_ALTERNATE_DISTANCE).find_map(|offset| {
2441 let row_above = buffer_point.row.saturating_sub(offset);
2442 let row_below = buffer_point.row + offset;
2443 if row_above != buffer_point.row && is_valid_row(row_above) {
2444 Some(row_above)
2445 } else if row_below <= max_row && is_valid_row(row_below) {
2446 Some(row_below)
2447 } else {
2448 None
2449 }
2450 })
2451 }?;
2452
2453 let new_display_row = snapshot
2454 .display_snapshot
2455 .point_to_display_point(
2456 Point {
2457 row: new_buffer_row,
2458 column: buffer_point.column,
2459 },
2460 text::Bias::Left,
2461 )
2462 .row();
2463
2464 let start_y = content_origin.y
2465 + (((new_display_row.as_f64() - scroll_position.y) as f32) * line_height)
2466 + (line_height / 2.0)
2467 - (icon_size.square(window, cx) / 2.);
2468 let start_x = (ScrollPixelOffset::from(content_origin.x) - scroll_pixel_position.x
2469 + ScrollPixelOffset::from(window.rem_size() * 0.1))
2470 .into();
2471
2472 let absolute_offset = gpui::point(start_x, start_y);
2473 button.layout_as_root(gpui::AvailableSpace::min_size(), window, cx);
2474 button.prepaint_as_root(
2475 absolute_offset,
2476 gpui::AvailableSpace::min_size(),
2477 window,
2478 cx,
2479 );
2480 Some(button)
2481 }
2482
2483 fn layout_inline_blame(
2484 &self,
2485 display_row: DisplayRow,
2486 row_info: &RowInfo,
2487 line_layout: &LineWithInvisibles,
2488 crease_trailer: Option<&CreaseTrailerLayout>,
2489 em_width: Pixels,
2490 content_origin: gpui::Point<Pixels>,
2491 scroll_position: gpui::Point<ScrollOffset>,
2492 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2493 line_height: Pixels,
2494 text_hitbox: &Hitbox,
2495 window: &mut Window,
2496 cx: &mut App,
2497 ) -> Option<InlineBlameLayout> {
2498 if !self
2499 .editor
2500 .update(cx, |editor, cx| editor.render_git_blame_inline(window, cx))
2501 {
2502 return None;
2503 }
2504
2505 let editor = self.editor.read(cx);
2506 let blame = editor.blame.clone()?;
2507 let padding = {
2508 const INLINE_ACCEPT_SUGGESTION_EM_WIDTHS: f32 = 14.;
2509
2510 let mut padding = ProjectSettings::get_global(cx).git.inline_blame.padding as f32;
2511
2512 if let Some(edit_prediction) = editor.active_edit_prediction.as_ref()
2513 && let EditPrediction::Edit {
2514 display_mode: EditDisplayMode::TabAccept,
2515 ..
2516 } = &edit_prediction.completion
2517 {
2518 padding += INLINE_ACCEPT_SUGGESTION_EM_WIDTHS
2519 }
2520
2521 padding * em_width
2522 };
2523
2524 let (buffer_id, entry) = blame
2525 .update(cx, |blame, cx| {
2526 blame.blame_for_rows(&[*row_info], cx).next()
2527 })
2528 .flatten()?;
2529
2530 let mut element = render_inline_blame_entry(entry.clone(), &self.style, cx)?;
2531
2532 let start_y =
2533 content_origin.y + line_height * ((display_row.as_f64() - scroll_position.y) as f32);
2534
2535 let start_x = {
2536 let line_end = if let Some(crease_trailer) = crease_trailer {
2537 crease_trailer.bounds.right()
2538 } else {
2539 Pixels::from(
2540 ScrollPixelOffset::from(content_origin.x + line_layout.width)
2541 - scroll_pixel_position.x,
2542 )
2543 };
2544
2545 let padded_line_end = line_end + padding;
2546
2547 let min_column_in_pixels = self.column_pixels(
2548 ProjectSettings::get_global(cx).git.inline_blame.min_column as usize,
2549 window,
2550 );
2551 let min_start = Pixels::from(
2552 ScrollPixelOffset::from(content_origin.x + min_column_in_pixels)
2553 - scroll_pixel_position.x,
2554 );
2555
2556 cmp::max(padded_line_end, min_start)
2557 };
2558
2559 let absolute_offset = point(start_x, start_y);
2560 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2561 let bounds = Bounds::new(absolute_offset, size);
2562
2563 self.layout_blame_entry_popover(
2564 entry.clone(),
2565 blame,
2566 line_height,
2567 text_hitbox,
2568 row_info.buffer_id?,
2569 window,
2570 cx,
2571 );
2572
2573 element.prepaint_as_root(absolute_offset, AvailableSpace::min_size(), window, cx);
2574
2575 Some(InlineBlameLayout {
2576 element,
2577 bounds,
2578 buffer_id,
2579 entry,
2580 })
2581 }
2582
2583 fn layout_blame_entry_popover(
2584 &self,
2585 blame_entry: BlameEntry,
2586 blame: Entity<GitBlame>,
2587 line_height: Pixels,
2588 text_hitbox: &Hitbox,
2589 buffer: BufferId,
2590 window: &mut Window,
2591 cx: &mut App,
2592 ) {
2593 let Some((popover_state, target_point)) = self.editor.read_with(cx, |editor, _| {
2594 editor
2595 .inline_blame_popover
2596 .as_ref()
2597 .map(|state| (state.popover_state.clone(), state.position))
2598 }) else {
2599 return;
2600 };
2601
2602 let workspace = self
2603 .editor
2604 .read_with(cx, |editor, _| editor.workspace().map(|w| w.downgrade()));
2605
2606 let maybe_element = workspace.and_then(|workspace| {
2607 render_blame_entry_popover(
2608 blame_entry,
2609 popover_state.scroll_handle,
2610 popover_state.commit_message,
2611 popover_state.markdown,
2612 workspace,
2613 &blame,
2614 buffer,
2615 window,
2616 cx,
2617 )
2618 });
2619
2620 if let Some(mut element) = maybe_element {
2621 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
2622 let overall_height = size.height + HOVER_POPOVER_GAP;
2623 let popover_origin = if target_point.y > overall_height {
2624 point(target_point.x, target_point.y - size.height)
2625 } else {
2626 point(
2627 target_point.x,
2628 target_point.y + line_height + HOVER_POPOVER_GAP,
2629 )
2630 };
2631
2632 let horizontal_offset = (text_hitbox.top_right().x
2633 - POPOVER_RIGHT_OFFSET
2634 - (popover_origin.x + size.width))
2635 .min(Pixels::ZERO);
2636
2637 let origin = point(popover_origin.x + horizontal_offset, popover_origin.y);
2638 let popover_bounds = Bounds::new(origin, size);
2639
2640 self.editor.update(cx, |editor, _| {
2641 if let Some(state) = &mut editor.inline_blame_popover {
2642 state.popover_bounds = Some(popover_bounds);
2643 }
2644 });
2645
2646 window.defer_draw(element, origin, 2);
2647 }
2648 }
2649
2650 fn layout_blame_entries(
2651 &self,
2652 buffer_rows: &[RowInfo],
2653 em_width: Pixels,
2654 scroll_position: gpui::Point<ScrollOffset>,
2655 line_height: Pixels,
2656 gutter_hitbox: &Hitbox,
2657 max_width: Option<Pixels>,
2658 window: &mut Window,
2659 cx: &mut App,
2660 ) -> Option<Vec<AnyElement>> {
2661 if !self
2662 .editor
2663 .update(cx, |editor, cx| editor.render_git_blame_gutter(cx))
2664 {
2665 return None;
2666 }
2667
2668 let blame = self.editor.read(cx).blame.clone()?;
2669 let workspace = self.editor.read(cx).workspace()?;
2670 let blamed_rows: Vec<_> = blame.update(cx, |blame, cx| {
2671 blame.blame_for_rows(buffer_rows, cx).collect()
2672 });
2673
2674 let width = if let Some(max_width) = max_width {
2675 AvailableSpace::Definite(max_width)
2676 } else {
2677 AvailableSpace::MaxContent
2678 };
2679 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
2680 let start_x = em_width;
2681
2682 let mut last_used_color: Option<(Hsla, Oid)> = None;
2683 let blame_renderer = cx.global::<GlobalBlameRenderer>().0.clone();
2684
2685 let shaped_lines = blamed_rows
2686 .into_iter()
2687 .enumerate()
2688 .flat_map(|(ix, blame_entry)| {
2689 let (buffer_id, blame_entry) = blame_entry?;
2690 let mut element = render_blame_entry(
2691 ix,
2692 &blame,
2693 blame_entry,
2694 &self.style,
2695 &mut last_used_color,
2696 self.editor.clone(),
2697 workspace.clone(),
2698 buffer_id,
2699 &*blame_renderer,
2700 window,
2701 cx,
2702 )?;
2703
2704 let start_y = ix as f32 * line_height
2705 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height));
2706 let absolute_offset = gutter_hitbox.origin + point(start_x, start_y);
2707
2708 element.prepaint_as_root(
2709 absolute_offset,
2710 size(width, AvailableSpace::MinContent),
2711 window,
2712 cx,
2713 );
2714
2715 Some(element)
2716 })
2717 .collect();
2718
2719 Some(shaped_lines)
2720 }
2721
2722 fn layout_indent_guides(
2723 &self,
2724 content_origin: gpui::Point<Pixels>,
2725 text_origin: gpui::Point<Pixels>,
2726 visible_buffer_range: Range<MultiBufferRow>,
2727 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
2728 line_height: Pixels,
2729 snapshot: &DisplaySnapshot,
2730 window: &mut Window,
2731 cx: &mut App,
2732 ) -> Option<Vec<IndentGuideLayout>> {
2733 let indent_guides = self.editor.update(cx, |editor, cx| {
2734 editor.indent_guides(visible_buffer_range, snapshot, cx)
2735 })?;
2736
2737 let active_indent_guide_indices = self.editor.update(cx, |editor, cx| {
2738 editor
2739 .find_active_indent_guide_indices(&indent_guides, snapshot, window, cx)
2740 .unwrap_or_default()
2741 });
2742
2743 Some(
2744 indent_guides
2745 .into_iter()
2746 .enumerate()
2747 .filter_map(|(i, indent_guide)| {
2748 let single_indent_width =
2749 self.column_pixels(indent_guide.tab_size as usize, window);
2750 let total_width = single_indent_width * indent_guide.depth as f32;
2751 let start_x = Pixels::from(
2752 ScrollOffset::from(content_origin.x + total_width)
2753 - scroll_pixel_position.x,
2754 );
2755 if start_x >= text_origin.x {
2756 let (offset_y, length) = Self::calculate_indent_guide_bounds(
2757 indent_guide.start_row..indent_guide.end_row,
2758 line_height,
2759 snapshot,
2760 );
2761
2762 let start_y = Pixels::from(
2763 ScrollOffset::from(content_origin.y) + offset_y
2764 - scroll_pixel_position.y,
2765 );
2766
2767 Some(IndentGuideLayout {
2768 origin: point(start_x, start_y),
2769 length,
2770 single_indent_width,
2771 depth: indent_guide.depth,
2772 active: active_indent_guide_indices.contains(&i),
2773 settings: indent_guide.settings,
2774 })
2775 } else {
2776 None
2777 }
2778 })
2779 .collect(),
2780 )
2781 }
2782
2783 fn layout_wrap_guides(
2784 &self,
2785 em_advance: Pixels,
2786 scroll_position: gpui::Point<f64>,
2787 content_origin: gpui::Point<Pixels>,
2788 scrollbar_layout: Option<&EditorScrollbars>,
2789 vertical_scrollbar_width: Pixels,
2790 hitbox: &Hitbox,
2791 window: &Window,
2792 cx: &App,
2793 ) -> SmallVec<[(Pixels, bool); 2]> {
2794 let scroll_left = scroll_position.x as f32 * em_advance;
2795 let content_origin = content_origin.x;
2796 let horizontal_offset = content_origin - scroll_left;
2797 let vertical_scrollbar_width = scrollbar_layout
2798 .and_then(|layout| layout.visible.then_some(vertical_scrollbar_width))
2799 .unwrap_or_default();
2800
2801 self.editor
2802 .read(cx)
2803 .wrap_guides(cx)
2804 .into_iter()
2805 .flat_map(|(guide, active)| {
2806 let wrap_position = self.column_pixels(guide, window);
2807 let wrap_guide_x = wrap_position + horizontal_offset;
2808 let display_wrap_guide = wrap_guide_x >= content_origin
2809 && wrap_guide_x <= hitbox.bounds.right() - vertical_scrollbar_width;
2810
2811 display_wrap_guide.then_some((wrap_guide_x, active))
2812 })
2813 .collect()
2814 }
2815
2816 fn calculate_indent_guide_bounds(
2817 row_range: Range<MultiBufferRow>,
2818 line_height: Pixels,
2819 snapshot: &DisplaySnapshot,
2820 ) -> (f64, gpui::Pixels) {
2821 let start_point = Point::new(row_range.start.0, 0);
2822 let end_point = Point::new(row_range.end.0, 0);
2823
2824 let row_range = start_point.to_display_point(snapshot).row()
2825 ..end_point.to_display_point(snapshot).row();
2826
2827 let mut prev_line = start_point;
2828 prev_line.row = prev_line.row.saturating_sub(1);
2829 let prev_line = prev_line.to_display_point(snapshot).row();
2830
2831 let mut cons_line = end_point;
2832 cons_line.row += 1;
2833 let cons_line = cons_line.to_display_point(snapshot).row();
2834
2835 let mut offset_y = row_range.start.as_f64() * f64::from(line_height);
2836 let mut length = (cons_line.0.saturating_sub(row_range.start.0)) as f32 * line_height;
2837
2838 // If we are at the end of the buffer, ensure that the indent guide extends to the end of the line.
2839 if row_range.end == cons_line {
2840 length += line_height;
2841 }
2842
2843 // If there is a block (e.g. diagnostic) in between the start of the indent guide and the line above,
2844 // we want to extend the indent guide to the start of the block.
2845 let mut block_height = 0;
2846 let mut block_offset = 0;
2847 let mut found_excerpt_header = false;
2848 for (_, block) in snapshot.blocks_in_range(prev_line..row_range.start) {
2849 if matches!(
2850 block,
2851 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
2852 ) {
2853 found_excerpt_header = true;
2854 break;
2855 }
2856 block_offset += block.height();
2857 block_height += block.height();
2858 }
2859 if !found_excerpt_header {
2860 offset_y -= block_offset as f64 * f64::from(line_height);
2861 length += block_height as f32 * line_height;
2862 }
2863
2864 // If there is a block (e.g. diagnostic) at the end of an multibuffer excerpt,
2865 // we want to ensure that the indent guide stops before the excerpt header.
2866 let mut block_height = 0;
2867 let mut found_excerpt_header = false;
2868 for (_, block) in snapshot.blocks_in_range(row_range.end..cons_line) {
2869 if matches!(
2870 block,
2871 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
2872 ) {
2873 found_excerpt_header = true;
2874 }
2875 block_height += block.height();
2876 }
2877 if found_excerpt_header {
2878 length -= block_height as f32 * line_height;
2879 }
2880
2881 (offset_y, length)
2882 }
2883
2884 fn layout_breakpoints(
2885 &self,
2886 line_height: Pixels,
2887 range: Range<DisplayRow>,
2888 scroll_position: gpui::Point<ScrollOffset>,
2889 gutter_dimensions: &GutterDimensions,
2890 gutter_hitbox: &Hitbox,
2891 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2892 snapshot: &EditorSnapshot,
2893 breakpoints: HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2894 row_infos: &[RowInfo],
2895 window: &mut Window,
2896 cx: &mut App,
2897 ) -> Vec<AnyElement> {
2898 self.editor.update(cx, |editor, cx| {
2899 breakpoints
2900 .into_iter()
2901 .filter_map(|(display_row, (text_anchor, bp, state))| {
2902 if row_infos
2903 .get((display_row.0.saturating_sub(range.start.0)) as usize)
2904 .is_some_and(|row_info| {
2905 row_info.expand_info.is_some()
2906 || row_info
2907 .diff_status
2908 .is_some_and(|status| status.is_deleted())
2909 })
2910 {
2911 return None;
2912 }
2913
2914 if range.start > display_row || range.end < display_row {
2915 return None;
2916 }
2917
2918 let row =
2919 MultiBufferRow(DisplayPoint::new(display_row, 0).to_point(snapshot).row);
2920 if snapshot.is_line_folded(row) {
2921 return None;
2922 }
2923
2924 let button = editor.render_breakpoint(text_anchor, display_row, &bp, state, cx);
2925
2926 let button = prepaint_gutter_button(
2927 button,
2928 display_row,
2929 line_height,
2930 gutter_dimensions,
2931 scroll_position,
2932 gutter_hitbox,
2933 display_hunks,
2934 window,
2935 cx,
2936 );
2937 Some(button)
2938 })
2939 .collect_vec()
2940 })
2941 }
2942
2943 #[allow(clippy::too_many_arguments)]
2944 fn layout_run_indicators(
2945 &self,
2946 line_height: Pixels,
2947 range: Range<DisplayRow>,
2948 row_infos: &[RowInfo],
2949 scroll_position: gpui::Point<ScrollOffset>,
2950 gutter_dimensions: &GutterDimensions,
2951 gutter_hitbox: &Hitbox,
2952 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
2953 snapshot: &EditorSnapshot,
2954 breakpoints: &mut HashMap<DisplayRow, (Anchor, Breakpoint, Option<BreakpointSessionState>)>,
2955 window: &mut Window,
2956 cx: &mut App,
2957 ) -> Vec<AnyElement> {
2958 self.editor.update(cx, |editor, cx| {
2959 let active_task_indicator_row =
2960 // TODO: add edit button on the right side of each row in the context menu
2961 if let Some(crate::CodeContextMenu::CodeActions(CodeActionsMenu {
2962 deployed_from,
2963 actions,
2964 ..
2965 })) = editor.context_menu.borrow().as_ref()
2966 {
2967 actions
2968 .tasks()
2969 .map(|tasks| tasks.position.to_display_point(snapshot).row())
2970 .or_else(|| match deployed_from {
2971 Some(CodeActionSource::Indicator(row)) => Some(*row),
2972 _ => None,
2973 })
2974 } else {
2975 None
2976 };
2977
2978 let offset_range_start =
2979 snapshot.display_point_to_point(DisplayPoint::new(range.start, 0), Bias::Left);
2980
2981 let offset_range_end =
2982 snapshot.display_point_to_point(DisplayPoint::new(range.end, 0), Bias::Right);
2983
2984 editor
2985 .tasks
2986 .iter()
2987 .filter_map(|(_, tasks)| {
2988 let multibuffer_point = tasks.offset.to_point(&snapshot.buffer_snapshot());
2989 if multibuffer_point < offset_range_start
2990 || multibuffer_point > offset_range_end
2991 {
2992 return None;
2993 }
2994 let multibuffer_row = MultiBufferRow(multibuffer_point.row);
2995 let buffer_folded = snapshot
2996 .buffer_snapshot()
2997 .buffer_line_for_row(multibuffer_row)
2998 .map(|(buffer_snapshot, _)| buffer_snapshot.remote_id())
2999 .map(|buffer_id| editor.is_buffer_folded(buffer_id, cx))
3000 .unwrap_or(false);
3001 if buffer_folded {
3002 return None;
3003 }
3004
3005 if snapshot.is_line_folded(multibuffer_row) {
3006 // Skip folded indicators, unless it's the starting line of a fold.
3007 if multibuffer_row
3008 .0
3009 .checked_sub(1)
3010 .is_some_and(|previous_row| {
3011 snapshot.is_line_folded(MultiBufferRow(previous_row))
3012 })
3013 {
3014 return None;
3015 }
3016 }
3017
3018 let display_row = multibuffer_point.to_display_point(snapshot).row();
3019 if !range.contains(&display_row) {
3020 return None;
3021 }
3022 if row_infos
3023 .get((display_row - range.start).0 as usize)
3024 .is_some_and(|row_info| row_info.expand_info.is_some())
3025 {
3026 return None;
3027 }
3028
3029 let button = editor.render_run_indicator(
3030 &self.style,
3031 Some(display_row) == active_task_indicator_row,
3032 display_row,
3033 breakpoints.remove(&display_row),
3034 cx,
3035 );
3036
3037 let button = prepaint_gutter_button(
3038 button,
3039 display_row,
3040 line_height,
3041 gutter_dimensions,
3042 scroll_position,
3043 gutter_hitbox,
3044 display_hunks,
3045 window,
3046 cx,
3047 );
3048 Some(button)
3049 })
3050 .collect_vec()
3051 })
3052 }
3053
3054 fn layout_expand_toggles(
3055 &self,
3056 gutter_hitbox: &Hitbox,
3057 gutter_dimensions: GutterDimensions,
3058 em_width: Pixels,
3059 line_height: Pixels,
3060 scroll_position: gpui::Point<ScrollOffset>,
3061 buffer_rows: &[RowInfo],
3062 window: &mut Window,
3063 cx: &mut App,
3064 ) -> Vec<Option<(AnyElement, gpui::Point<Pixels>)>> {
3065 if self.editor.read(cx).disable_expand_excerpt_buttons {
3066 return vec![];
3067 }
3068
3069 let editor_font_size = self.style.text.font_size.to_pixels(window.rem_size()) * 1.2;
3070
3071 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
3072
3073 let max_line_number_length = self
3074 .editor
3075 .read(cx)
3076 .buffer()
3077 .read(cx)
3078 .snapshot(cx)
3079 .widest_line_number()
3080 .ilog10()
3081 + 1;
3082
3083 let git_gutter_width = Self::gutter_strip_width(line_height)
3084 + gutter_dimensions
3085 .git_blame_entries_width
3086 .unwrap_or_default();
3087 let available_width = gutter_dimensions.left_padding - git_gutter_width;
3088
3089 buffer_rows
3090 .iter()
3091 .enumerate()
3092 .map(|(ix, row_info)| {
3093 let ExpandInfo {
3094 excerpt_id,
3095 direction,
3096 } = row_info.expand_info?;
3097
3098 let icon_name = match direction {
3099 ExpandExcerptDirection::Up => IconName::ExpandUp,
3100 ExpandExcerptDirection::Down => IconName::ExpandDown,
3101 ExpandExcerptDirection::UpAndDown => IconName::ExpandVertical,
3102 };
3103
3104 let editor = self.editor.clone();
3105 let is_wide = max_line_number_length
3106 >= EditorSettings::get_global(cx).gutter.min_line_number_digits as u32
3107 && row_info
3108 .buffer_row
3109 .is_some_and(|row| (row + 1).ilog10() + 1 == max_line_number_length)
3110 || gutter_dimensions.right_padding == px(0.);
3111
3112 let width = if is_wide {
3113 available_width - px(2.)
3114 } else {
3115 available_width + em_width - px(2.)
3116 };
3117
3118 let toggle = IconButton::new(("expand", ix), icon_name)
3119 .icon_color(Color::Custom(cx.theme().colors().editor_line_number))
3120 .selected_icon_color(Color::Custom(cx.theme().colors().editor_foreground))
3121 .icon_size(IconSize::Custom(rems(editor_font_size / window.rem_size())))
3122 .width(width)
3123 .on_click(move |_, window, cx| {
3124 editor.update(cx, |editor, cx| {
3125 editor.expand_excerpt(excerpt_id, direction, window, cx);
3126 });
3127 })
3128 .tooltip(Tooltip::for_action_title(
3129 "Expand Excerpt",
3130 &crate::actions::ExpandExcerpts::default(),
3131 ))
3132 .into_any_element();
3133
3134 let position = point(
3135 git_gutter_width + px(1.),
3136 ix as f32 * line_height
3137 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height))
3138 + px(1.),
3139 );
3140 let origin = gutter_hitbox.origin + position;
3141
3142 Some((toggle, origin))
3143 })
3144 .collect()
3145 }
3146
3147 fn calculate_relative_line_numbers(
3148 &self,
3149 snapshot: &EditorSnapshot,
3150 rows: &Range<DisplayRow>,
3151 relative_to: Option<DisplayRow>,
3152 use_display_offset: bool,
3153 ) -> HashMap<DisplayRow, DisplayRowDelta> {
3154 let mut relative_rows: HashMap<DisplayRow, DisplayRowDelta> = Default::default();
3155 let Some(relative_to) = relative_to else {
3156 return relative_rows;
3157 };
3158
3159 let start = rows.start.min(relative_to);
3160 let end = rows.end.max(relative_to);
3161
3162 // todo!() can we pass this in?
3163 let buffer_rows = snapshot
3164 .row_infos(start)
3165 .take(1 + end.minus(start) as usize)
3166 .collect::<Vec<_>>();
3167
3168 let head_idx = relative_to.minus(start);
3169 let mut delta = 1;
3170 let mut i = head_idx + 1;
3171 let should_count_line = |row_info: &RowInfo| {
3172 if use_display_offset {
3173 row_info.buffer_row.is_some()
3174 } else {
3175 row_info.buffer_row.is_some() && !row_info.wrapped
3176 }
3177 };
3178 while i < buffer_rows.len() as u32 {
3179 if should_count_line(&buffer_rows[i as usize]) {
3180 if rows.contains(&DisplayRow(i + start.0)) {
3181 relative_rows.insert(DisplayRow(i + start.0), delta);
3182 }
3183 delta += 1;
3184 }
3185 i += 1;
3186 }
3187 delta = 1;
3188 i = head_idx.min(buffer_rows.len() as u32 - 1);
3189 while i > 0 && buffer_rows[i as usize].buffer_row.is_none() && !use_display_offset {
3190 i -= 1;
3191 }
3192
3193 while i > 0 {
3194 i -= 1;
3195 if should_count_line(&buffer_rows[i as usize]) {
3196 if rows.contains(&DisplayRow(i + start.0)) {
3197 relative_rows.insert(DisplayRow(i + start.0), delta);
3198 }
3199 delta += 1;
3200 }
3201 }
3202
3203 relative_rows
3204 }
3205
3206 fn layout_line_numbers(
3207 &self,
3208 gutter_hitbox: Option<&Hitbox>,
3209 gutter_dimensions: GutterDimensions,
3210 line_height: Pixels,
3211 scroll_position: gpui::Point<ScrollOffset>,
3212 rows: Range<DisplayRow>,
3213 buffer_rows: &[RowInfo],
3214 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3215 newest_selection_head: Option<DisplayPoint>,
3216 snapshot: &EditorSnapshot,
3217 window: &mut Window,
3218 cx: &mut App,
3219 ) -> Arc<HashMap<MultiBufferRow, LineNumberLayout>> {
3220 let include_line_numbers = snapshot
3221 .show_line_numbers
3222 .unwrap_or_else(|| EditorSettings::get_global(cx).gutter.line_numbers);
3223 if !include_line_numbers {
3224 return Arc::default();
3225 }
3226
3227 let (newest_selection_head, is_relative) = self.editor.update(cx, |editor, cx| {
3228 let newest_selection_head = newest_selection_head.unwrap_or_else(|| {
3229 let newest = editor
3230 .selections
3231 .newest::<Point>(&editor.display_snapshot(cx));
3232 SelectionLayout::new(
3233 newest,
3234 editor.selections.line_mode(),
3235 editor.cursor_shape,
3236 &snapshot.display_snapshot,
3237 true,
3238 true,
3239 None,
3240 )
3241 .head
3242 });
3243 let is_relative = editor.should_use_relative_line_numbers(cx);
3244 (newest_selection_head, is_relative)
3245 });
3246
3247 let relative_to = if is_relative {
3248 Some(newest_selection_head.row())
3249 } else {
3250 None
3251 };
3252 let relative_rows =
3253 self.calculate_relative_line_numbers(snapshot, &rows, relative_to, true);
3254 let mut line_number = String::new();
3255 let segments = buffer_rows.iter().enumerate().flat_map(|(ix, row_info)| {
3256 let display_row = DisplayRow(rows.start.0 + ix as u32);
3257 line_number.clear();
3258 let non_relative_number = row_info.buffer_row? + 1;
3259 let number = relative_rows
3260 .get(&display_row)
3261 .unwrap_or(&non_relative_number);
3262 write!(&mut line_number, "{number}").unwrap();
3263 if row_info
3264 .diff_status
3265 .is_some_and(|status| status.is_deleted())
3266 {
3267 return None;
3268 }
3269
3270 let color = active_rows
3271 .get(&display_row)
3272 .map(|spec| {
3273 if spec.breakpoint {
3274 cx.theme().colors().debugger_accent
3275 } else {
3276 cx.theme().colors().editor_active_line_number
3277 }
3278 })
3279 .unwrap_or_else(|| cx.theme().colors().editor_line_number);
3280 let shaped_line =
3281 self.shape_line_number(SharedString::from(&line_number), color, window);
3282 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
3283 let line_origin = gutter_hitbox.map(|hitbox| {
3284 hitbox.origin
3285 + point(
3286 hitbox.size.width - shaped_line.width - gutter_dimensions.right_padding,
3287 ix as f32 * line_height
3288 - Pixels::from(scroll_top % ScrollPixelOffset::from(line_height)),
3289 )
3290 });
3291
3292 #[cfg(not(test))]
3293 let hitbox = line_origin.map(|line_origin| {
3294 window.insert_hitbox(
3295 Bounds::new(line_origin, size(shaped_line.width, line_height)),
3296 HitboxBehavior::Normal,
3297 )
3298 });
3299 #[cfg(test)]
3300 let hitbox = {
3301 let _ = line_origin;
3302 None
3303 };
3304
3305 let segment = LineNumberSegment {
3306 shaped_line,
3307 hitbox,
3308 };
3309
3310 let buffer_row = DisplayPoint::new(display_row, 0).to_point(snapshot).row;
3311 let multi_buffer_row = MultiBufferRow(buffer_row);
3312
3313 Some((multi_buffer_row, segment))
3314 });
3315
3316 let mut line_numbers: HashMap<MultiBufferRow, LineNumberLayout> = HashMap::default();
3317 for (buffer_row, segment) in segments {
3318 line_numbers
3319 .entry(buffer_row)
3320 .or_insert_with(|| LineNumberLayout {
3321 segments: Vec::new(),
3322 })
3323 .segments
3324 .push(segment);
3325 }
3326 Arc::new(line_numbers)
3327 }
3328
3329 fn layout_crease_toggles(
3330 &self,
3331 rows: Range<DisplayRow>,
3332 row_infos: &[RowInfo],
3333 active_rows: &BTreeMap<DisplayRow, LineHighlightSpec>,
3334 snapshot: &EditorSnapshot,
3335 window: &mut Window,
3336 cx: &mut App,
3337 ) -> Vec<Option<AnyElement>> {
3338 let include_fold_statuses = EditorSettings::get_global(cx).gutter.folds
3339 && snapshot.mode.is_full()
3340 && self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
3341 if include_fold_statuses {
3342 row_infos
3343 .iter()
3344 .enumerate()
3345 .map(|(ix, info)| {
3346 if info.expand_info.is_some() {
3347 return None;
3348 }
3349 let row = info.multibuffer_row?;
3350 let display_row = DisplayRow(rows.start.0 + ix as u32);
3351 let active = active_rows.contains_key(&display_row);
3352
3353 snapshot.render_crease_toggle(row, active, self.editor.clone(), window, cx)
3354 })
3355 .collect()
3356 } else {
3357 Vec::new()
3358 }
3359 }
3360
3361 fn layout_crease_trailers(
3362 &self,
3363 buffer_rows: impl IntoIterator<Item = RowInfo>,
3364 snapshot: &EditorSnapshot,
3365 window: &mut Window,
3366 cx: &mut App,
3367 ) -> Vec<Option<AnyElement>> {
3368 buffer_rows
3369 .into_iter()
3370 .map(|row_info| {
3371 if row_info.expand_info.is_some() {
3372 return None;
3373 }
3374 if let Some(row) = row_info.multibuffer_row {
3375 snapshot.render_crease_trailer(row, window, cx)
3376 } else {
3377 None
3378 }
3379 })
3380 .collect()
3381 }
3382
3383 fn bg_segments_per_row(
3384 rows: Range<DisplayRow>,
3385 selections: &[(PlayerColor, Vec<SelectionLayout>)],
3386 highlight_ranges: &[(Range<DisplayPoint>, Hsla)],
3387 base_background: Hsla,
3388 ) -> Vec<Vec<(Range<DisplayPoint>, Hsla)>> {
3389 if rows.start >= rows.end {
3390 return Vec::new();
3391 }
3392 if !base_background.is_opaque() {
3393 // We don't actually know what color is behind this editor.
3394 return Vec::new();
3395 }
3396 let highlight_iter = highlight_ranges.iter().cloned();
3397 let selection_iter = selections.iter().flat_map(|(player_color, layouts)| {
3398 let color = player_color.selection;
3399 layouts.iter().filter_map(move |selection_layout| {
3400 if selection_layout.range.start != selection_layout.range.end {
3401 Some((selection_layout.range.clone(), color))
3402 } else {
3403 None
3404 }
3405 })
3406 });
3407 let mut per_row_map = vec![Vec::new(); rows.len()];
3408 for (range, color) in highlight_iter.chain(selection_iter) {
3409 let covered_rows = if range.end.column() == 0 {
3410 cmp::max(range.start.row(), rows.start)..cmp::min(range.end.row(), rows.end)
3411 } else {
3412 cmp::max(range.start.row(), rows.start)
3413 ..cmp::min(range.end.row().next_row(), rows.end)
3414 };
3415 for row in covered_rows.iter_rows() {
3416 let seg_start = if row == range.start.row() {
3417 range.start
3418 } else {
3419 DisplayPoint::new(row, 0)
3420 };
3421 let seg_end = if row == range.end.row() && range.end.column() != 0 {
3422 range.end
3423 } else {
3424 DisplayPoint::new(row, u32::MAX)
3425 };
3426 let ix = row.minus(rows.start) as usize;
3427 debug_assert!(row >= rows.start && row < rows.end);
3428 debug_assert!(ix < per_row_map.len());
3429 per_row_map[ix].push((seg_start..seg_end, color));
3430 }
3431 }
3432 for row_segments in per_row_map.iter_mut() {
3433 if row_segments.is_empty() {
3434 continue;
3435 }
3436 let segments = mem::take(row_segments);
3437 let merged = Self::merge_overlapping_ranges(segments, base_background);
3438 *row_segments = merged;
3439 }
3440 per_row_map
3441 }
3442
3443 /// Merge overlapping ranges by splitting at all range boundaries and blending colors where
3444 /// multiple ranges overlap. The result contains non-overlapping ranges ordered from left to right.
3445 ///
3446 /// Expects `start.row() == end.row()` for each range.
3447 fn merge_overlapping_ranges(
3448 ranges: Vec<(Range<DisplayPoint>, Hsla)>,
3449 base_background: Hsla,
3450 ) -> Vec<(Range<DisplayPoint>, Hsla)> {
3451 struct Boundary {
3452 pos: DisplayPoint,
3453 is_start: bool,
3454 index: usize,
3455 color: Hsla,
3456 }
3457
3458 let mut boundaries: SmallVec<[Boundary; 16]> = SmallVec::with_capacity(ranges.len() * 2);
3459 for (index, (range, color)) in ranges.iter().enumerate() {
3460 debug_assert!(
3461 range.start.row() == range.end.row(),
3462 "expects single-row ranges"
3463 );
3464 if range.start < range.end {
3465 boundaries.push(Boundary {
3466 pos: range.start,
3467 is_start: true,
3468 index,
3469 color: *color,
3470 });
3471 boundaries.push(Boundary {
3472 pos: range.end,
3473 is_start: false,
3474 index,
3475 color: *color,
3476 });
3477 }
3478 }
3479
3480 if boundaries.is_empty() {
3481 return Vec::new();
3482 }
3483
3484 boundaries
3485 .sort_unstable_by(|a, b| a.pos.cmp(&b.pos).then_with(|| a.is_start.cmp(&b.is_start)));
3486
3487 let mut processed_ranges: Vec<(Range<DisplayPoint>, Hsla)> = Vec::new();
3488 let mut active_ranges: SmallVec<[(usize, Hsla); 8]> = SmallVec::new();
3489
3490 let mut i = 0;
3491 let mut start_pos = boundaries[0].pos;
3492
3493 let boundaries_len = boundaries.len();
3494 while i < boundaries_len {
3495 let current_boundary_pos = boundaries[i].pos;
3496 if start_pos < current_boundary_pos {
3497 if !active_ranges.is_empty() {
3498 let mut color = base_background;
3499 for &(_, c) in &active_ranges {
3500 color = Hsla::blend(color, c);
3501 }
3502 if let Some((last_range, last_color)) = processed_ranges.last_mut() {
3503 if *last_color == color && last_range.end == start_pos {
3504 last_range.end = current_boundary_pos;
3505 } else {
3506 processed_ranges.push((start_pos..current_boundary_pos, color));
3507 }
3508 } else {
3509 processed_ranges.push((start_pos..current_boundary_pos, color));
3510 }
3511 }
3512 }
3513 while i < boundaries_len && boundaries[i].pos == current_boundary_pos {
3514 let active_range = &boundaries[i];
3515 if active_range.is_start {
3516 let idx = active_range.index;
3517 let pos = active_ranges
3518 .binary_search_by_key(&idx, |(i, _)| *i)
3519 .unwrap_or_else(|p| p);
3520 active_ranges.insert(pos, (idx, active_range.color));
3521 } else {
3522 let idx = active_range.index;
3523 if let Ok(pos) = active_ranges.binary_search_by_key(&idx, |(i, _)| *i) {
3524 active_ranges.remove(pos);
3525 }
3526 }
3527 i += 1;
3528 }
3529 start_pos = current_boundary_pos;
3530 }
3531
3532 processed_ranges
3533 }
3534
3535 fn layout_lines(
3536 rows: Range<DisplayRow>,
3537 snapshot: &EditorSnapshot,
3538 style: &EditorStyle,
3539 editor_width: Pixels,
3540 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3541 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
3542 window: &mut Window,
3543 cx: &mut App,
3544 ) -> Vec<LineWithInvisibles> {
3545 if rows.start >= rows.end {
3546 return Vec::new();
3547 }
3548
3549 // Show the placeholder when the editor is empty
3550 if snapshot.is_empty() {
3551 let font_size = style.text.font_size.to_pixels(window.rem_size());
3552 let placeholder_color = cx.theme().colors().text_placeholder;
3553 let placeholder_text = snapshot.placeholder_text();
3554
3555 let placeholder_lines = placeholder_text
3556 .as_ref()
3557 .map_or(Vec::new(), |text| text.split('\n').collect::<Vec<_>>());
3558
3559 let placeholder_line_count = placeholder_lines.len();
3560
3561 placeholder_lines
3562 .into_iter()
3563 .skip(rows.start.0 as usize)
3564 .chain(iter::repeat(""))
3565 .take(cmp::max(rows.len(), placeholder_line_count))
3566 .map(move |line| {
3567 let run = TextRun {
3568 len: line.len(),
3569 font: style.text.font(),
3570 color: placeholder_color,
3571 background_color: None,
3572 underline: None,
3573 strikethrough: None,
3574 };
3575 let line = window.text_system().shape_line(
3576 line.to_string().into(),
3577 font_size,
3578 &[run],
3579 None,
3580 );
3581 LineWithInvisibles {
3582 width: line.width,
3583 len: line.len,
3584 fragments: smallvec![LineFragment::Text(line)],
3585 invisibles: Vec::new(),
3586 font_size,
3587 }
3588 })
3589 .collect()
3590 } else {
3591 let chunks = snapshot.highlighted_chunks(rows.clone(), true, style);
3592 LineWithInvisibles::from_chunks(
3593 chunks,
3594 style,
3595 MAX_LINE_LEN,
3596 rows.len(),
3597 &snapshot.mode,
3598 editor_width,
3599 is_row_soft_wrapped,
3600 bg_segments_per_row,
3601 window,
3602 cx,
3603 )
3604 }
3605 }
3606
3607 fn prepaint_lines(
3608 &self,
3609 start_row: DisplayRow,
3610 line_layouts: &mut [LineWithInvisibles],
3611 line_height: Pixels,
3612 scroll_position: gpui::Point<ScrollOffset>,
3613 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
3614 content_origin: gpui::Point<Pixels>,
3615 window: &mut Window,
3616 cx: &mut App,
3617 ) -> SmallVec<[AnyElement; 1]> {
3618 let mut line_elements = SmallVec::new();
3619 for (ix, line) in line_layouts.iter_mut().enumerate() {
3620 let row = start_row + DisplayRow(ix as u32);
3621 line.prepaint(
3622 line_height,
3623 scroll_position,
3624 scroll_pixel_position,
3625 row,
3626 content_origin,
3627 &mut line_elements,
3628 window,
3629 cx,
3630 );
3631 }
3632 line_elements
3633 }
3634
3635 fn render_block(
3636 &self,
3637 block: &Block,
3638 available_width: AvailableSpace,
3639 block_id: BlockId,
3640 block_row_start: DisplayRow,
3641 snapshot: &EditorSnapshot,
3642 text_x: Pixels,
3643 rows: &Range<DisplayRow>,
3644 line_layouts: &[LineWithInvisibles],
3645 editor_margins: &EditorMargins,
3646 line_height: Pixels,
3647 em_width: Pixels,
3648 text_hitbox: &Hitbox,
3649 editor_width: Pixels,
3650 scroll_width: &mut Pixels,
3651 resized_blocks: &mut HashMap<CustomBlockId, u32>,
3652 row_block_types: &mut HashMap<DisplayRow, bool>,
3653 selections: &[Selection<Point>],
3654 selected_buffer_ids: &Vec<BufferId>,
3655 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
3656 sticky_header_excerpt_id: Option<ExcerptId>,
3657 window: &mut Window,
3658 cx: &mut App,
3659 ) -> Option<(AnyElement, Size<Pixels>, DisplayRow, Pixels)> {
3660 let mut x_position = None;
3661 let mut element = match block {
3662 Block::Custom(custom) => {
3663 let block_start = custom.start().to_point(&snapshot.buffer_snapshot());
3664 let block_end = custom.end().to_point(&snapshot.buffer_snapshot());
3665 if block.place_near() && snapshot.is_line_folded(MultiBufferRow(block_start.row)) {
3666 return None;
3667 }
3668 let align_to = block_start.to_display_point(snapshot);
3669 let x_and_width = |layout: &LineWithInvisibles| {
3670 Some((
3671 text_x + layout.x_for_index(align_to.column() as usize),
3672 text_x + layout.width,
3673 ))
3674 };
3675 let line_ix = align_to.row().0.checked_sub(rows.start.0);
3676 x_position =
3677 if let Some(layout) = line_ix.and_then(|ix| line_layouts.get(ix as usize)) {
3678 x_and_width(layout)
3679 } else {
3680 x_and_width(&layout_line(
3681 align_to.row(),
3682 snapshot,
3683 &self.style,
3684 editor_width,
3685 is_row_soft_wrapped,
3686 window,
3687 cx,
3688 ))
3689 };
3690
3691 let anchor_x = x_position.unwrap().0;
3692
3693 let selected = selections
3694 .binary_search_by(|selection| {
3695 if selection.end <= block_start {
3696 Ordering::Less
3697 } else if selection.start >= block_end {
3698 Ordering::Greater
3699 } else {
3700 Ordering::Equal
3701 }
3702 })
3703 .is_ok();
3704
3705 div()
3706 .size_full()
3707 .child(custom.render(&mut BlockContext {
3708 window,
3709 app: cx,
3710 anchor_x,
3711 margins: editor_margins,
3712 line_height,
3713 em_width,
3714 block_id,
3715 selected,
3716 max_width: text_hitbox.size.width.max(*scroll_width),
3717 editor_style: &self.style,
3718 }))
3719 .into_any()
3720 }
3721
3722 Block::FoldedBuffer {
3723 first_excerpt,
3724 height,
3725 ..
3726 } => {
3727 let selected = selected_buffer_ids.contains(&first_excerpt.buffer_id);
3728 let result = v_flex().id(block_id).w_full().pr(editor_margins.right);
3729
3730 let jump_data = header_jump_data(snapshot, block_row_start, *height, first_excerpt);
3731 result
3732 .child(self.render_buffer_header(
3733 first_excerpt,
3734 true,
3735 selected,
3736 false,
3737 jump_data,
3738 window,
3739 cx,
3740 ))
3741 .into_any_element()
3742 }
3743
3744 Block::ExcerptBoundary { .. } => {
3745 let color = cx.theme().colors().clone();
3746 let mut result = v_flex().id(block_id).w_full();
3747
3748 result = result.child(
3749 h_flex().relative().child(
3750 div()
3751 .top(line_height / 2.)
3752 .absolute()
3753 .w_full()
3754 .h_px()
3755 .bg(color.border_variant),
3756 ),
3757 );
3758
3759 result.into_any()
3760 }
3761
3762 Block::BufferHeader { excerpt, height } => {
3763 let mut result = v_flex().id(block_id).w_full();
3764
3765 let jump_data = header_jump_data(snapshot, block_row_start, *height, excerpt);
3766
3767 if sticky_header_excerpt_id != Some(excerpt.id) {
3768 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
3769
3770 result = result.child(div().pr(editor_margins.right).child(
3771 self.render_buffer_header(
3772 excerpt, false, selected, false, jump_data, window, cx,
3773 ),
3774 ));
3775 } else {
3776 result =
3777 result.child(div().h(FILE_HEADER_HEIGHT as f32 * window.line_height()));
3778 }
3779
3780 result.into_any()
3781 }
3782 };
3783
3784 // Discover the element's content height, then round up to the nearest multiple of line height.
3785 let preliminary_size = element.layout_as_root(
3786 size(available_width, AvailableSpace::MinContent),
3787 window,
3788 cx,
3789 );
3790 let quantized_height = (preliminary_size.height / line_height).ceil() * line_height;
3791 let final_size = if preliminary_size.height == quantized_height {
3792 preliminary_size
3793 } else {
3794 element.layout_as_root(size(available_width, quantized_height.into()), window, cx)
3795 };
3796 let mut element_height_in_lines = ((final_size.height / line_height).ceil() as u32).max(1);
3797
3798 let mut row = block_row_start;
3799 let mut x_offset = px(0.);
3800 let mut is_block = true;
3801
3802 if let BlockId::Custom(custom_block_id) = block_id
3803 && block.has_height()
3804 {
3805 if block.place_near()
3806 && let Some((x_target, line_width)) = x_position
3807 {
3808 let margin = em_width * 2;
3809 if line_width + final_size.width + margin
3810 < editor_width + editor_margins.gutter.full_width()
3811 && !row_block_types.contains_key(&(row - 1))
3812 && element_height_in_lines == 1
3813 {
3814 x_offset = line_width + margin;
3815 row = row - 1;
3816 is_block = false;
3817 element_height_in_lines = 0;
3818 row_block_types.insert(row, is_block);
3819 } else {
3820 let max_offset =
3821 editor_width + editor_margins.gutter.full_width() - final_size.width;
3822 let min_offset = (x_target + em_width - final_size.width)
3823 .max(editor_margins.gutter.full_width());
3824 x_offset = x_target.min(max_offset).max(min_offset);
3825 }
3826 };
3827 if element_height_in_lines != block.height() {
3828 resized_blocks.insert(custom_block_id, element_height_in_lines);
3829 }
3830 }
3831 for i in 0..element_height_in_lines {
3832 row_block_types.insert(row + i, is_block);
3833 }
3834
3835 Some((element, final_size, row, x_offset))
3836 }
3837
3838 fn render_buffer_header(
3839 &self,
3840 for_excerpt: &ExcerptInfo,
3841 is_folded: bool,
3842 is_selected: bool,
3843 is_sticky: bool,
3844 jump_data: JumpData,
3845 window: &mut Window,
3846 cx: &mut App,
3847 ) -> impl IntoElement {
3848 let editor = self.editor.read(cx);
3849 let multi_buffer = editor.buffer.read(cx);
3850 let file_status = multi_buffer
3851 .all_diff_hunks_expanded()
3852 .then(|| {
3853 editor
3854 .project
3855 .as_ref()?
3856 .read(cx)
3857 .status_for_buffer_id(for_excerpt.buffer_id, cx)
3858 })
3859 .flatten();
3860 let indicator = multi_buffer
3861 .buffer(for_excerpt.buffer_id)
3862 .and_then(|buffer| {
3863 let buffer = buffer.read(cx);
3864 let indicator_color = match (buffer.has_conflict(), buffer.is_dirty()) {
3865 (true, _) => Some(Color::Warning),
3866 (_, true) => Some(Color::Accent),
3867 (false, false) => None,
3868 };
3869 indicator_color.map(|indicator_color| Indicator::dot().color(indicator_color))
3870 });
3871
3872 let include_root = editor
3873 .project
3874 .as_ref()
3875 .map(|project| project.read(cx).visible_worktrees(cx).count() > 1)
3876 .unwrap_or_default();
3877 let file = for_excerpt.buffer.file();
3878 let can_open_excerpts = Editor::can_open_excerpts_in_file(file);
3879 let path_style = file.map(|file| file.path_style(cx));
3880 let relative_path = for_excerpt.buffer.resolve_file_path(include_root, cx);
3881 let (parent_path, filename) = if let Some(path) = &relative_path {
3882 if let Some(path_style) = path_style {
3883 let (dir, file_name) = path_style.split(path);
3884 (dir.map(|dir| dir.to_owned()), Some(file_name.to_owned()))
3885 } else {
3886 (None, Some(path.clone()))
3887 }
3888 } else {
3889 (None, None)
3890 };
3891 let focus_handle = editor.focus_handle(cx);
3892 let colors = cx.theme().colors();
3893
3894 let header = div()
3895 .p_1()
3896 .w_full()
3897 .h(FILE_HEADER_HEIGHT as f32 * window.line_height())
3898 .child(
3899 h_flex()
3900 .size_full()
3901 .gap_2()
3902 .flex_basis(Length::Definite(DefiniteLength::Fraction(0.667)))
3903 .pl_0p5()
3904 .pr_5()
3905 .rounded_sm()
3906 .when(is_sticky, |el| el.shadow_md())
3907 .border_1()
3908 .map(|div| {
3909 let border_color = if is_selected
3910 && is_folded
3911 && focus_handle.contains_focused(window, cx)
3912 {
3913 colors.border_focused
3914 } else {
3915 colors.border
3916 };
3917 div.border_color(border_color)
3918 })
3919 .bg(colors.editor_subheader_background)
3920 .hover(|style| style.bg(colors.element_hover))
3921 .map(|header| {
3922 let editor = self.editor.clone();
3923 let buffer_id = for_excerpt.buffer_id;
3924 let toggle_chevron_icon =
3925 FileIcons::get_chevron_icon(!is_folded, cx).map(Icon::from_path);
3926 header.child(
3927 div()
3928 .hover(|style| style.bg(colors.element_selected))
3929 .rounded_xs()
3930 .child(
3931 ButtonLike::new("toggle-buffer-fold")
3932 .style(ui::ButtonStyle::Transparent)
3933 .height(px(28.).into())
3934 .width(px(28.))
3935 .children(toggle_chevron_icon)
3936 .tooltip({
3937 let focus_handle = focus_handle.clone();
3938 move |window, cx| {
3939 Tooltip::with_meta_in(
3940 "Toggle Excerpt Fold",
3941 Some(&ToggleFold),
3942 format!(
3943 "{} to toggle all",
3944 text_for_keystroke(
3945 &Modifiers::alt(),
3946 "click",
3947 cx
3948 )
3949 ),
3950 &focus_handle,
3951 window,
3952 cx,
3953 )
3954 }
3955 })
3956 .on_click(move |event, window, cx| {
3957 if event.modifiers().alt {
3958 // Alt+click toggles all buffers
3959 editor.update(cx, |editor, cx| {
3960 editor.toggle_fold_all(
3961 &ToggleFoldAll,
3962 window,
3963 cx,
3964 );
3965 });
3966 } else {
3967 // Regular click toggles single buffer
3968 if is_folded {
3969 editor.update(cx, |editor, cx| {
3970 editor.unfold_buffer(buffer_id, cx);
3971 });
3972 } else {
3973 editor.update(cx, |editor, cx| {
3974 editor.fold_buffer(buffer_id, cx);
3975 });
3976 }
3977 }
3978 }),
3979 ),
3980 )
3981 })
3982 .children(
3983 editor
3984 .addons
3985 .values()
3986 .filter_map(|addon| {
3987 addon.render_buffer_header_controls(for_excerpt, window, cx)
3988 })
3989 .take(1),
3990 )
3991 .child(h_flex().size(px(12.0)).justify_center().children(indicator))
3992 .child(
3993 h_flex()
3994 .cursor_pointer()
3995 .id("path header block")
3996 .size_full()
3997 .justify_between()
3998 .overflow_hidden()
3999 .child(
4000 h_flex()
4001 .gap_2()
4002 .map(|path_header| {
4003 let filename = filename
4004 .map(SharedString::from)
4005 .unwrap_or_else(|| "untitled".into());
4006
4007 path_header
4008 .when(ItemSettings::get_global(cx).file_icons, |el| {
4009 let path = path::Path::new(filename.as_str());
4010 let icon = FileIcons::get_icon(path, cx)
4011 .unwrap_or_default();
4012 let icon =
4013 Icon::from_path(icon).color(Color::Muted);
4014 el.child(icon)
4015 })
4016 .child(Label::new(filename).single_line().when_some(
4017 file_status,
4018 |el, status| {
4019 el.color(if status.is_conflicted() {
4020 Color::Conflict
4021 } else if status.is_modified() {
4022 Color::Modified
4023 } else if status.is_deleted() {
4024 Color::Disabled
4025 } else {
4026 Color::Created
4027 })
4028 .when(status.is_deleted(), |el| {
4029 el.strikethrough()
4030 })
4031 },
4032 ))
4033 })
4034 .when_some(parent_path, |then, path| {
4035 then.child(div().child(path).text_color(
4036 if file_status.is_some_and(FileStatus::is_deleted) {
4037 colors.text_disabled
4038 } else {
4039 colors.text_muted
4040 },
4041 ))
4042 }),
4043 )
4044 .when(
4045 can_open_excerpts && is_selected && relative_path.is_some(),
4046 |el| {
4047 el.child(
4048 h_flex()
4049 .id("jump-to-file-button")
4050 .gap_2p5()
4051 .child(Label::new("Jump To File"))
4052 .children(
4053 KeyBinding::for_action_in(
4054 &OpenExcerpts,
4055 &focus_handle,
4056 window,
4057 cx,
4058 )
4059 .map(|binding| binding.into_any_element()),
4060 ),
4061 )
4062 },
4063 )
4064 .on_mouse_down(MouseButton::Left, |_, _, cx| cx.stop_propagation())
4065 .on_click(window.listener_for(&self.editor, {
4066 move |editor, e: &ClickEvent, window, cx| {
4067 editor.open_excerpts_common(
4068 Some(jump_data.clone()),
4069 e.modifiers().secondary(),
4070 window,
4071 cx,
4072 );
4073 }
4074 })),
4075 ),
4076 );
4077
4078 let file = for_excerpt.buffer.file().cloned();
4079 let editor = self.editor.clone();
4080 right_click_menu("buffer-header-context-menu")
4081 .trigger(move |_, _, _| header)
4082 .menu(move |window, cx| {
4083 let menu_context = focus_handle.clone();
4084 let editor = editor.clone();
4085 let file = file.clone();
4086 ContextMenu::build(window, cx, move |mut menu, window, cx| {
4087 if let Some(file) = file
4088 && let Some(project) = editor.read(cx).project()
4089 && let Some(worktree) =
4090 project.read(cx).worktree_for_id(file.worktree_id(cx), cx)
4091 {
4092 let path_style = file.path_style(cx);
4093 let worktree = worktree.read(cx);
4094 let relative_path = file.path();
4095 let entry_for_path = worktree.entry_for_path(relative_path);
4096 let abs_path = entry_for_path.map(|e| {
4097 e.canonical_path.as_deref().map_or_else(
4098 || worktree.absolutize(relative_path),
4099 Path::to_path_buf,
4100 )
4101 });
4102 let has_relative_path = worktree.root_entry().is_some_and(Entry::is_dir);
4103
4104 let parent_abs_path = abs_path
4105 .as_ref()
4106 .and_then(|abs_path| Some(abs_path.parent()?.to_path_buf()));
4107 let relative_path = has_relative_path
4108 .then_some(relative_path)
4109 .map(ToOwned::to_owned);
4110
4111 let visible_in_project_panel =
4112 relative_path.is_some() && worktree.is_visible();
4113 let reveal_in_project_panel = entry_for_path
4114 .filter(|_| visible_in_project_panel)
4115 .map(|entry| entry.id);
4116 menu = menu
4117 .when_some(abs_path, |menu, abs_path| {
4118 menu.entry(
4119 "Copy Path",
4120 Some(Box::new(zed_actions::workspace::CopyPath)),
4121 window.handler_for(&editor, move |_, _, cx| {
4122 cx.write_to_clipboard(ClipboardItem::new_string(
4123 abs_path.to_string_lossy().into_owned(),
4124 ));
4125 }),
4126 )
4127 })
4128 .when_some(relative_path, |menu, relative_path| {
4129 menu.entry(
4130 "Copy Relative Path",
4131 Some(Box::new(zed_actions::workspace::CopyRelativePath)),
4132 window.handler_for(&editor, move |_, _, cx| {
4133 cx.write_to_clipboard(ClipboardItem::new_string(
4134 relative_path.display(path_style).to_string(),
4135 ));
4136 }),
4137 )
4138 })
4139 .when(
4140 reveal_in_project_panel.is_some() || parent_abs_path.is_some(),
4141 |menu| menu.separator(),
4142 )
4143 .when_some(reveal_in_project_panel, |menu, entry_id| {
4144 menu.entry(
4145 "Reveal In Project Panel",
4146 Some(Box::new(RevealInProjectPanel::default())),
4147 window.handler_for(&editor, move |editor, _, cx| {
4148 if let Some(project) = &mut editor.project {
4149 project.update(cx, |_, cx| {
4150 cx.emit(project::Event::RevealInProjectPanel(
4151 entry_id,
4152 ))
4153 });
4154 }
4155 }),
4156 )
4157 })
4158 .when_some(parent_abs_path, |menu, parent_abs_path| {
4159 menu.entry(
4160 "Open in Terminal",
4161 Some(Box::new(OpenInTerminal)),
4162 window.handler_for(&editor, move |_, window, cx| {
4163 window.dispatch_action(
4164 OpenTerminal {
4165 working_directory: parent_abs_path.clone(),
4166 }
4167 .boxed_clone(),
4168 cx,
4169 );
4170 }),
4171 )
4172 });
4173 }
4174
4175 menu.context(menu_context)
4176 })
4177 })
4178 }
4179
4180 fn render_blocks(
4181 &self,
4182 rows: Range<DisplayRow>,
4183 snapshot: &EditorSnapshot,
4184 hitbox: &Hitbox,
4185 text_hitbox: &Hitbox,
4186 editor_width: Pixels,
4187 scroll_width: &mut Pixels,
4188 editor_margins: &EditorMargins,
4189 em_width: Pixels,
4190 text_x: Pixels,
4191 line_height: Pixels,
4192 line_layouts: &mut [LineWithInvisibles],
4193 selections: &[Selection<Point>],
4194 selected_buffer_ids: &Vec<BufferId>,
4195 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
4196 sticky_header_excerpt_id: Option<ExcerptId>,
4197 window: &mut Window,
4198 cx: &mut App,
4199 ) -> Result<(Vec<BlockLayout>, HashMap<DisplayRow, bool>), HashMap<CustomBlockId, u32>> {
4200 let (fixed_blocks, non_fixed_blocks) = snapshot
4201 .blocks_in_range(rows.clone())
4202 .partition::<Vec<_>, _>(|(_, block)| block.style() == BlockStyle::Fixed);
4203
4204 let mut focused_block = self
4205 .editor
4206 .update(cx, |editor, _| editor.take_focused_block());
4207 let mut fixed_block_max_width = Pixels::ZERO;
4208 let mut blocks = Vec::new();
4209 let mut resized_blocks = HashMap::default();
4210 let mut row_block_types = HashMap::default();
4211
4212 for (row, block) in fixed_blocks {
4213 let block_id = block.id();
4214
4215 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4216 focused_block = None;
4217 }
4218
4219 if let Some((element, element_size, row, x_offset)) = self.render_block(
4220 block,
4221 AvailableSpace::MinContent,
4222 block_id,
4223 row,
4224 snapshot,
4225 text_x,
4226 &rows,
4227 line_layouts,
4228 editor_margins,
4229 line_height,
4230 em_width,
4231 text_hitbox,
4232 editor_width,
4233 scroll_width,
4234 &mut resized_blocks,
4235 &mut row_block_types,
4236 selections,
4237 selected_buffer_ids,
4238 is_row_soft_wrapped,
4239 sticky_header_excerpt_id,
4240 window,
4241 cx,
4242 ) {
4243 fixed_block_max_width = fixed_block_max_width.max(element_size.width + em_width);
4244 blocks.push(BlockLayout {
4245 id: block_id,
4246 x_offset,
4247 row: Some(row),
4248 element,
4249 available_space: size(AvailableSpace::MinContent, element_size.height.into()),
4250 style: BlockStyle::Fixed,
4251 overlaps_gutter: true,
4252 is_buffer_header: block.is_buffer_header(),
4253 });
4254 }
4255 }
4256
4257 for (row, block) in non_fixed_blocks {
4258 let style = block.style();
4259 let width = match (style, block.place_near()) {
4260 (_, true) => AvailableSpace::MinContent,
4261 (BlockStyle::Sticky, _) => hitbox.size.width.into(),
4262 (BlockStyle::Flex, _) => hitbox
4263 .size
4264 .width
4265 .max(fixed_block_max_width)
4266 .max(editor_margins.gutter.width + *scroll_width)
4267 .into(),
4268 (BlockStyle::Fixed, _) => unreachable!(),
4269 };
4270 let block_id = block.id();
4271
4272 if focused_block.as_ref().is_some_and(|b| b.id == block_id) {
4273 focused_block = None;
4274 }
4275
4276 if let Some((element, element_size, row, x_offset)) = self.render_block(
4277 block,
4278 width,
4279 block_id,
4280 row,
4281 snapshot,
4282 text_x,
4283 &rows,
4284 line_layouts,
4285 editor_margins,
4286 line_height,
4287 em_width,
4288 text_hitbox,
4289 editor_width,
4290 scroll_width,
4291 &mut resized_blocks,
4292 &mut row_block_types,
4293 selections,
4294 selected_buffer_ids,
4295 is_row_soft_wrapped,
4296 sticky_header_excerpt_id,
4297 window,
4298 cx,
4299 ) {
4300 blocks.push(BlockLayout {
4301 id: block_id,
4302 x_offset,
4303 row: Some(row),
4304 element,
4305 available_space: size(width, element_size.height.into()),
4306 style,
4307 overlaps_gutter: !block.place_near(),
4308 is_buffer_header: block.is_buffer_header(),
4309 });
4310 }
4311 }
4312
4313 if let Some(focused_block) = focused_block
4314 && let Some(focus_handle) = focused_block.focus_handle.upgrade()
4315 && focus_handle.is_focused(window)
4316 && let Some(block) = snapshot.block_for_id(focused_block.id)
4317 {
4318 let style = block.style();
4319 let width = match style {
4320 BlockStyle::Fixed => AvailableSpace::MinContent,
4321 BlockStyle::Flex => AvailableSpace::Definite(
4322 hitbox
4323 .size
4324 .width
4325 .max(fixed_block_max_width)
4326 .max(editor_margins.gutter.width + *scroll_width),
4327 ),
4328 BlockStyle::Sticky => AvailableSpace::Definite(hitbox.size.width),
4329 };
4330
4331 if let Some((element, element_size, _, x_offset)) = self.render_block(
4332 &block,
4333 width,
4334 focused_block.id,
4335 rows.end,
4336 snapshot,
4337 text_x,
4338 &rows,
4339 line_layouts,
4340 editor_margins,
4341 line_height,
4342 em_width,
4343 text_hitbox,
4344 editor_width,
4345 scroll_width,
4346 &mut resized_blocks,
4347 &mut row_block_types,
4348 selections,
4349 selected_buffer_ids,
4350 is_row_soft_wrapped,
4351 sticky_header_excerpt_id,
4352 window,
4353 cx,
4354 ) {
4355 blocks.push(BlockLayout {
4356 id: block.id(),
4357 x_offset,
4358 row: None,
4359 element,
4360 available_space: size(width, element_size.height.into()),
4361 style,
4362 overlaps_gutter: true,
4363 is_buffer_header: block.is_buffer_header(),
4364 });
4365 }
4366 }
4367
4368 if resized_blocks.is_empty() {
4369 *scroll_width =
4370 (*scroll_width).max(fixed_block_max_width - editor_margins.gutter.width);
4371 Ok((blocks, row_block_types))
4372 } else {
4373 Err(resized_blocks)
4374 }
4375 }
4376
4377 fn layout_blocks(
4378 &self,
4379 blocks: &mut Vec<BlockLayout>,
4380 hitbox: &Hitbox,
4381 line_height: Pixels,
4382 scroll_position: gpui::Point<ScrollOffset>,
4383 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4384 window: &mut Window,
4385 cx: &mut App,
4386 ) {
4387 for block in blocks {
4388 let mut origin = if let Some(row) = block.row {
4389 hitbox.origin
4390 + point(
4391 block.x_offset,
4392 Pixels::from(
4393 (row.as_f64() - scroll_position.y)
4394 * ScrollPixelOffset::from(line_height),
4395 ),
4396 )
4397 } else {
4398 // Position the block outside the visible area
4399 hitbox.origin + point(Pixels::ZERO, hitbox.size.height)
4400 };
4401
4402 if !matches!(block.style, BlockStyle::Sticky) {
4403 origin += point(Pixels::from(-scroll_pixel_position.x), Pixels::ZERO);
4404 }
4405
4406 let focus_handle =
4407 block
4408 .element
4409 .prepaint_as_root(origin, block.available_space, window, cx);
4410
4411 if let Some(focus_handle) = focus_handle {
4412 self.editor.update(cx, |editor, _cx| {
4413 editor.set_focused_block(FocusedBlock {
4414 id: block.id,
4415 focus_handle: focus_handle.downgrade(),
4416 });
4417 });
4418 }
4419 }
4420 }
4421
4422 fn layout_sticky_buffer_header(
4423 &self,
4424 StickyHeaderExcerpt { excerpt }: StickyHeaderExcerpt<'_>,
4425 scroll_position: gpui::Point<ScrollOffset>,
4426 line_height: Pixels,
4427 right_margin: Pixels,
4428 snapshot: &EditorSnapshot,
4429 hitbox: &Hitbox,
4430 selected_buffer_ids: &Vec<BufferId>,
4431 blocks: &[BlockLayout],
4432 window: &mut Window,
4433 cx: &mut App,
4434 ) -> AnyElement {
4435 let jump_data = header_jump_data(
4436 snapshot,
4437 DisplayRow(scroll_position.y as u32),
4438 FILE_HEADER_HEIGHT + MULTI_BUFFER_EXCERPT_HEADER_HEIGHT,
4439 excerpt,
4440 );
4441
4442 let editor_bg_color = cx.theme().colors().editor_background;
4443
4444 let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
4445
4446 let available_width = hitbox.bounds.size.width - right_margin;
4447
4448 let mut header = v_flex()
4449 .w_full()
4450 .relative()
4451 .child(
4452 div()
4453 .w(available_width)
4454 .h(FILE_HEADER_HEIGHT as f32 * line_height)
4455 .bg(linear_gradient(
4456 0.,
4457 linear_color_stop(editor_bg_color.opacity(0.), 0.),
4458 linear_color_stop(editor_bg_color, 0.6),
4459 ))
4460 .absolute()
4461 .top_0(),
4462 )
4463 .child(
4464 self.render_buffer_header(excerpt, false, selected, true, jump_data, window, cx)
4465 .into_any_element(),
4466 )
4467 .into_any_element();
4468
4469 let mut origin = hitbox.origin;
4470 // Move floating header up to avoid colliding with the next buffer header.
4471 for block in blocks.iter() {
4472 if !block.is_buffer_header {
4473 continue;
4474 }
4475
4476 let Some(display_row) = block.row.filter(|row| row.0 > scroll_position.y as u32) else {
4477 continue;
4478 };
4479
4480 let max_row = display_row.0.saturating_sub(FILE_HEADER_HEIGHT);
4481 let offset = scroll_position.y - max_row as f64;
4482
4483 if offset > 0.0 {
4484 origin.y -= Pixels::from(offset * ScrollPixelOffset::from(line_height));
4485 }
4486 break;
4487 }
4488
4489 let size = size(
4490 AvailableSpace::Definite(available_width),
4491 AvailableSpace::MinContent,
4492 );
4493
4494 header.prepaint_as_root(origin, size, window, cx);
4495
4496 header
4497 }
4498
4499 fn layout_cursor_popovers(
4500 &self,
4501 line_height: Pixels,
4502 text_hitbox: &Hitbox,
4503 content_origin: gpui::Point<Pixels>,
4504 right_margin: Pixels,
4505 start_row: DisplayRow,
4506 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4507 line_layouts: &[LineWithInvisibles],
4508 cursor: DisplayPoint,
4509 cursor_point: Point,
4510 style: &EditorStyle,
4511 window: &mut Window,
4512 cx: &mut App,
4513 ) -> Option<ContextMenuLayout> {
4514 let mut min_menu_height = Pixels::ZERO;
4515 let mut max_menu_height = Pixels::ZERO;
4516 let mut height_above_menu = Pixels::ZERO;
4517 let height_below_menu = Pixels::ZERO;
4518 let mut edit_prediction_popover_visible = false;
4519 let mut context_menu_visible = false;
4520 let context_menu_placement;
4521
4522 {
4523 let editor = self.editor.read(cx);
4524 if editor.edit_prediction_visible_in_cursor_popover(editor.has_active_edit_prediction())
4525 {
4526 height_above_menu +=
4527 editor.edit_prediction_cursor_popover_height() + POPOVER_Y_PADDING;
4528 edit_prediction_popover_visible = true;
4529 }
4530
4531 if editor.context_menu_visible()
4532 && let Some(crate::ContextMenuOrigin::Cursor) = editor.context_menu_origin()
4533 {
4534 let (min_height_in_lines, max_height_in_lines) = editor
4535 .context_menu_options
4536 .as_ref()
4537 .map_or((3, 12), |options| {
4538 (options.min_entries_visible, options.max_entries_visible)
4539 });
4540
4541 min_menu_height += line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4542 max_menu_height += line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4543 context_menu_visible = true;
4544 }
4545 context_menu_placement = editor
4546 .context_menu_options
4547 .as_ref()
4548 .and_then(|options| options.placement.clone());
4549 }
4550
4551 let visible = edit_prediction_popover_visible || context_menu_visible;
4552 if !visible {
4553 return None;
4554 }
4555
4556 let cursor_row_layout = &line_layouts[cursor.row().minus(start_row) as usize];
4557 let target_position = content_origin
4558 + gpui::Point {
4559 x: cmp::max(
4560 px(0.),
4561 Pixels::from(
4562 ScrollPixelOffset::from(
4563 cursor_row_layout.x_for_index(cursor.column() as usize),
4564 ) - scroll_pixel_position.x,
4565 ),
4566 ),
4567 y: cmp::max(
4568 px(0.),
4569 Pixels::from(
4570 cursor.row().next_row().as_f64() * ScrollPixelOffset::from(line_height)
4571 - scroll_pixel_position.y,
4572 ),
4573 ),
4574 };
4575
4576 let viewport_bounds =
4577 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4578 right: -right_margin - MENU_GAP,
4579 ..Default::default()
4580 });
4581
4582 let min_height = height_above_menu + min_menu_height + height_below_menu;
4583 let max_height = height_above_menu + max_menu_height + height_below_menu;
4584 let (laid_out_popovers, y_flipped) = self.layout_popovers_above_or_below_line(
4585 target_position,
4586 line_height,
4587 min_height,
4588 max_height,
4589 context_menu_placement,
4590 text_hitbox,
4591 viewport_bounds,
4592 window,
4593 cx,
4594 |height, max_width_for_stable_x, y_flipped, window, cx| {
4595 // First layout the menu to get its size - others can be at least this wide.
4596 let context_menu = if context_menu_visible {
4597 let menu_height = if y_flipped {
4598 height - height_below_menu
4599 } else {
4600 height - height_above_menu
4601 };
4602 let mut element = self
4603 .render_context_menu(line_height, menu_height, window, cx)
4604 .expect("Visible context menu should always render.");
4605 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4606 Some((CursorPopoverType::CodeContextMenu, element, size))
4607 } else {
4608 None
4609 };
4610 let min_width = context_menu
4611 .as_ref()
4612 .map_or(px(0.), |(_, _, size)| size.width);
4613 let max_width = max_width_for_stable_x.max(
4614 context_menu
4615 .as_ref()
4616 .map_or(px(0.), |(_, _, size)| size.width),
4617 );
4618
4619 let edit_prediction = if edit_prediction_popover_visible {
4620 self.editor.update(cx, move |editor, cx| {
4621 let accept_binding =
4622 editor.accept_edit_prediction_keybind(false, window, cx);
4623 let mut element = editor.render_edit_prediction_cursor_popover(
4624 min_width,
4625 max_width,
4626 cursor_point,
4627 style,
4628 accept_binding.keystroke(),
4629 window,
4630 cx,
4631 )?;
4632 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4633 Some((CursorPopoverType::EditPrediction, element, size))
4634 })
4635 } else {
4636 None
4637 };
4638 vec![edit_prediction, context_menu]
4639 .into_iter()
4640 .flatten()
4641 .collect::<Vec<_>>()
4642 },
4643 )?;
4644
4645 let (menu_ix, (_, menu_bounds)) = laid_out_popovers
4646 .iter()
4647 .find_position(|(x, _)| matches!(x, CursorPopoverType::CodeContextMenu))?;
4648 let last_ix = laid_out_popovers.len() - 1;
4649 let menu_is_last = menu_ix == last_ix;
4650 let first_popover_bounds = laid_out_popovers[0].1;
4651 let last_popover_bounds = laid_out_popovers[last_ix].1;
4652
4653 // Bounds to layout the aside around. When y_flipped, the aside goes either above or to the
4654 // right, and otherwise it goes below or to the right.
4655 let mut target_bounds = Bounds::from_corners(
4656 first_popover_bounds.origin,
4657 last_popover_bounds.bottom_right(),
4658 );
4659 target_bounds.size.width = menu_bounds.size.width;
4660
4661 // Like `target_bounds`, but with the max height it could occupy. Choosing an aside position
4662 // based on this is preferred for layout stability.
4663 let mut max_target_bounds = target_bounds;
4664 max_target_bounds.size.height = max_height;
4665 if y_flipped {
4666 max_target_bounds.origin.y -= max_height - target_bounds.size.height;
4667 }
4668
4669 // Add spacing around `target_bounds` and `max_target_bounds`.
4670 let mut extend_amount = Edges::all(MENU_GAP);
4671 if y_flipped {
4672 extend_amount.bottom = line_height;
4673 } else {
4674 extend_amount.top = line_height;
4675 }
4676 let target_bounds = target_bounds.extend(extend_amount);
4677 let max_target_bounds = max_target_bounds.extend(extend_amount);
4678
4679 let must_place_above_or_below =
4680 if y_flipped && !menu_is_last && menu_bounds.size.height < max_menu_height {
4681 laid_out_popovers[menu_ix + 1..]
4682 .iter()
4683 .any(|(_, popover_bounds)| popover_bounds.size.width > menu_bounds.size.width)
4684 } else {
4685 false
4686 };
4687
4688 let aside_bounds = self.layout_context_menu_aside(
4689 y_flipped,
4690 *menu_bounds,
4691 target_bounds,
4692 max_target_bounds,
4693 max_menu_height,
4694 must_place_above_or_below,
4695 text_hitbox,
4696 viewport_bounds,
4697 window,
4698 cx,
4699 );
4700
4701 if let Some(menu_bounds) = laid_out_popovers.iter().find_map(|(popover_type, bounds)| {
4702 if matches!(popover_type, CursorPopoverType::CodeContextMenu) {
4703 Some(*bounds)
4704 } else {
4705 None
4706 }
4707 }) {
4708 let bounds = if let Some(aside_bounds) = aside_bounds {
4709 menu_bounds.union(&aside_bounds)
4710 } else {
4711 menu_bounds
4712 };
4713 return Some(ContextMenuLayout { y_flipped, bounds });
4714 }
4715
4716 None
4717 }
4718
4719 fn layout_gutter_menu(
4720 &self,
4721 line_height: Pixels,
4722 text_hitbox: &Hitbox,
4723 content_origin: gpui::Point<Pixels>,
4724 right_margin: Pixels,
4725 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
4726 gutter_overshoot: Pixels,
4727 window: &mut Window,
4728 cx: &mut App,
4729 ) {
4730 let editor = self.editor.read(cx);
4731 if !editor.context_menu_visible() {
4732 return;
4733 }
4734 let Some(crate::ContextMenuOrigin::GutterIndicator(gutter_row)) =
4735 editor.context_menu_origin()
4736 else {
4737 return;
4738 };
4739 // Context menu was spawned via a click on a gutter. Ensure it's a bit closer to the
4740 // indicator than just a plain first column of the text field.
4741 let target_position = content_origin
4742 + gpui::Point {
4743 x: -gutter_overshoot,
4744 y: Pixels::from(
4745 gutter_row.next_row().as_f64() * ScrollPixelOffset::from(line_height)
4746 - scroll_pixel_position.y,
4747 ),
4748 };
4749
4750 let (min_height_in_lines, max_height_in_lines) = editor
4751 .context_menu_options
4752 .as_ref()
4753 .map_or((3, 12), |options| {
4754 (options.min_entries_visible, options.max_entries_visible)
4755 });
4756
4757 let min_height = line_height * min_height_in_lines as f32 + POPOVER_Y_PADDING;
4758 let max_height = line_height * max_height_in_lines as f32 + POPOVER_Y_PADDING;
4759 let viewport_bounds =
4760 Bounds::new(Default::default(), window.viewport_size()).extend(Edges {
4761 right: -right_margin - MENU_GAP,
4762 ..Default::default()
4763 });
4764 self.layout_popovers_above_or_below_line(
4765 target_position,
4766 line_height,
4767 min_height,
4768 max_height,
4769 editor
4770 .context_menu_options
4771 .as_ref()
4772 .and_then(|options| options.placement.clone()),
4773 text_hitbox,
4774 viewport_bounds,
4775 window,
4776 cx,
4777 move |height, _max_width_for_stable_x, _, window, cx| {
4778 let mut element = self
4779 .render_context_menu(line_height, height, window, cx)
4780 .expect("Visible context menu should always render.");
4781 let size = element.layout_as_root(AvailableSpace::min_size(), window, cx);
4782 vec![(CursorPopoverType::CodeContextMenu, element, size)]
4783 },
4784 );
4785 }
4786
4787 fn layout_popovers_above_or_below_line(
4788 &self,
4789 target_position: gpui::Point<Pixels>,
4790 line_height: Pixels,
4791 min_height: Pixels,
4792 max_height: Pixels,
4793 placement: Option<ContextMenuPlacement>,
4794 text_hitbox: &Hitbox,
4795 viewport_bounds: Bounds<Pixels>,
4796 window: &mut Window,
4797 cx: &mut App,
4798 make_sized_popovers: impl FnOnce(
4799 Pixels,
4800 Pixels,
4801 bool,
4802 &mut Window,
4803 &mut App,
4804 ) -> Vec<(CursorPopoverType, AnyElement, Size<Pixels>)>,
4805 ) -> Option<(Vec<(CursorPopoverType, Bounds<Pixels>)>, bool)> {
4806 let text_style = TextStyleRefinement {
4807 line_height: Some(DefiniteLength::Fraction(
4808 BufferLineHeight::Comfortable.value(),
4809 )),
4810 ..Default::default()
4811 };
4812 window.with_text_style(Some(text_style), |window| {
4813 // If the max height won't fit below and there is more space above, put it above the line.
4814 let bottom_y_when_flipped = target_position.y - line_height;
4815 let available_above = bottom_y_when_flipped - text_hitbox.top();
4816 let available_below = text_hitbox.bottom() - target_position.y;
4817 let y_overflows_below = max_height > available_below;
4818 let mut y_flipped = match placement {
4819 Some(ContextMenuPlacement::Above) => true,
4820 Some(ContextMenuPlacement::Below) => false,
4821 None => y_overflows_below && available_above > available_below,
4822 };
4823 let mut height = cmp::min(
4824 max_height,
4825 if y_flipped {
4826 available_above
4827 } else {
4828 available_below
4829 },
4830 );
4831
4832 // If the min height doesn't fit within text bounds, instead fit within the window.
4833 if height < min_height {
4834 let available_above = bottom_y_when_flipped;
4835 let available_below = viewport_bounds.bottom() - target_position.y;
4836 let (y_flipped_override, height_override) = match placement {
4837 Some(ContextMenuPlacement::Above) => {
4838 (true, cmp::min(available_above, min_height))
4839 }
4840 Some(ContextMenuPlacement::Below) => {
4841 (false, cmp::min(available_below, min_height))
4842 }
4843 None => {
4844 if available_below > min_height {
4845 (false, min_height)
4846 } else if available_above > min_height {
4847 (true, min_height)
4848 } else if available_above > available_below {
4849 (true, available_above)
4850 } else {
4851 (false, available_below)
4852 }
4853 }
4854 };
4855 y_flipped = y_flipped_override;
4856 height = height_override;
4857 }
4858
4859 let max_width_for_stable_x = viewport_bounds.right() - target_position.x;
4860
4861 // TODO: Use viewport_bounds.width as a max width so that it doesn't get clipped on the left
4862 // for very narrow windows.
4863 let popovers =
4864 make_sized_popovers(height, max_width_for_stable_x, y_flipped, window, cx);
4865 if popovers.is_empty() {
4866 return None;
4867 }
4868
4869 let max_width = popovers
4870 .iter()
4871 .map(|(_, _, size)| size.width)
4872 .max()
4873 .unwrap_or_default();
4874
4875 let mut current_position = gpui::Point {
4876 // Snap the right edge of the list to the right edge of the window if its horizontal bounds
4877 // overflow. Include space for the scrollbar.
4878 x: target_position
4879 .x
4880 .min((viewport_bounds.right() - max_width).max(Pixels::ZERO)),
4881 y: if y_flipped {
4882 bottom_y_when_flipped
4883 } else {
4884 target_position.y
4885 },
4886 };
4887
4888 let mut laid_out_popovers = popovers
4889 .into_iter()
4890 .map(|(popover_type, element, size)| {
4891 if y_flipped {
4892 current_position.y -= size.height;
4893 }
4894 let position = current_position;
4895 window.defer_draw(element, current_position, 1);
4896 if !y_flipped {
4897 current_position.y += size.height + MENU_GAP;
4898 } else {
4899 current_position.y -= MENU_GAP;
4900 }
4901 (popover_type, Bounds::new(position, size))
4902 })
4903 .collect::<Vec<_>>();
4904
4905 if y_flipped {
4906 laid_out_popovers.reverse();
4907 }
4908
4909 Some((laid_out_popovers, y_flipped))
4910 })
4911 }
4912
4913 fn layout_context_menu_aside(
4914 &self,
4915 y_flipped: bool,
4916 menu_bounds: Bounds<Pixels>,
4917 target_bounds: Bounds<Pixels>,
4918 max_target_bounds: Bounds<Pixels>,
4919 max_height: Pixels,
4920 must_place_above_or_below: bool,
4921 text_hitbox: &Hitbox,
4922 viewport_bounds: Bounds<Pixels>,
4923 window: &mut Window,
4924 cx: &mut App,
4925 ) -> Option<Bounds<Pixels>> {
4926 let available_within_viewport = target_bounds.space_within(&viewport_bounds);
4927 let positioned_aside = if available_within_viewport.right >= MENU_ASIDE_MIN_WIDTH
4928 && !must_place_above_or_below
4929 {
4930 let max_width = cmp::min(
4931 available_within_viewport.right - px(1.),
4932 MENU_ASIDE_MAX_WIDTH,
4933 );
4934 let mut aside = self.render_context_menu_aside(
4935 size(max_width, max_height - POPOVER_Y_PADDING),
4936 window,
4937 cx,
4938 )?;
4939 let size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4940 let right_position = point(target_bounds.right(), menu_bounds.origin.y);
4941 Some((aside, right_position, size))
4942 } else {
4943 let max_size = size(
4944 // TODO(mgsloan): Once the menu is bounded by viewport width the bound on viewport
4945 // won't be needed here.
4946 cmp::min(
4947 cmp::max(menu_bounds.size.width - px(2.), MENU_ASIDE_MIN_WIDTH),
4948 viewport_bounds.right(),
4949 ),
4950 cmp::min(
4951 max_height,
4952 cmp::max(
4953 available_within_viewport.top,
4954 available_within_viewport.bottom,
4955 ),
4956 ) - POPOVER_Y_PADDING,
4957 );
4958 let mut aside = self.render_context_menu_aside(max_size, window, cx)?;
4959 let actual_size = aside.layout_as_root(AvailableSpace::min_size(), window, cx);
4960
4961 let top_position = point(
4962 menu_bounds.origin.x,
4963 target_bounds.top() - actual_size.height,
4964 );
4965 let bottom_position = point(menu_bounds.origin.x, target_bounds.bottom());
4966
4967 let fit_within = |available: Edges<Pixels>, wanted: Size<Pixels>| {
4968 // Prefer to fit on the same side of the line as the menu, then on the other side of
4969 // the line.
4970 if !y_flipped && wanted.height < available.bottom {
4971 Some(bottom_position)
4972 } else if !y_flipped && wanted.height < available.top {
4973 Some(top_position)
4974 } else if y_flipped && wanted.height < available.top {
4975 Some(top_position)
4976 } else if y_flipped && wanted.height < available.bottom {
4977 Some(bottom_position)
4978 } else {
4979 None
4980 }
4981 };
4982
4983 // Prefer choosing a direction using max sizes rather than actual size for stability.
4984 let available_within_text = max_target_bounds.space_within(&text_hitbox.bounds);
4985 let wanted = size(MENU_ASIDE_MAX_WIDTH, max_height);
4986 let aside_position = fit_within(available_within_text, wanted)
4987 // Fallback: fit max size in window.
4988 .or_else(|| fit_within(max_target_bounds.space_within(&viewport_bounds), wanted))
4989 // Fallback: fit actual size in window.
4990 .or_else(|| fit_within(available_within_viewport, actual_size));
4991
4992 aside_position.map(|position| (aside, position, actual_size))
4993 };
4994
4995 // Skip drawing if it doesn't fit anywhere.
4996 if let Some((aside, position, size)) = positioned_aside {
4997 let aside_bounds = Bounds::new(position, size);
4998 window.defer_draw(aside, position, 2);
4999 return Some(aside_bounds);
5000 }
5001
5002 None
5003 }
5004
5005 fn render_context_menu(
5006 &self,
5007 line_height: Pixels,
5008 height: Pixels,
5009 window: &mut Window,
5010 cx: &mut App,
5011 ) -> Option<AnyElement> {
5012 let max_height_in_lines = ((height - POPOVER_Y_PADDING) / line_height).floor() as u32;
5013 self.editor.update(cx, |editor, cx| {
5014 editor.render_context_menu(&self.style, max_height_in_lines, window, cx)
5015 })
5016 }
5017
5018 fn render_context_menu_aside(
5019 &self,
5020 max_size: Size<Pixels>,
5021 window: &mut Window,
5022 cx: &mut App,
5023 ) -> Option<AnyElement> {
5024 if max_size.width < px(100.) || max_size.height < px(12.) {
5025 None
5026 } else {
5027 self.editor.update(cx, |editor, cx| {
5028 editor.render_context_menu_aside(max_size, window, cx)
5029 })
5030 }
5031 }
5032
5033 fn layout_mouse_context_menu(
5034 &self,
5035 editor_snapshot: &EditorSnapshot,
5036 visible_range: Range<DisplayRow>,
5037 content_origin: gpui::Point<Pixels>,
5038 window: &mut Window,
5039 cx: &mut App,
5040 ) -> Option<AnyElement> {
5041 let position = self.editor.update(cx, |editor, _cx| {
5042 let visible_start_point = editor.display_to_pixel_point(
5043 DisplayPoint::new(visible_range.start, 0),
5044 editor_snapshot,
5045 window,
5046 )?;
5047 let visible_end_point = editor.display_to_pixel_point(
5048 DisplayPoint::new(visible_range.end, 0),
5049 editor_snapshot,
5050 window,
5051 )?;
5052
5053 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
5054 let (source_display_point, position) = match mouse_context_menu.position {
5055 MenuPosition::PinnedToScreen(point) => (None, point),
5056 MenuPosition::PinnedToEditor { source, offset } => {
5057 let source_display_point = source.to_display_point(editor_snapshot);
5058 let source_point = editor.to_pixel_point(source, editor_snapshot, window)?;
5059 let position = content_origin + source_point + offset;
5060 (Some(source_display_point), position)
5061 }
5062 };
5063
5064 let source_included = source_display_point.is_none_or(|source_display_point| {
5065 visible_range
5066 .to_inclusive()
5067 .contains(&source_display_point.row())
5068 });
5069 let position_included =
5070 visible_start_point.y <= position.y && position.y <= visible_end_point.y;
5071 if !source_included && !position_included {
5072 None
5073 } else {
5074 Some(position)
5075 }
5076 })?;
5077
5078 let text_style = TextStyleRefinement {
5079 line_height: Some(DefiniteLength::Fraction(
5080 BufferLineHeight::Comfortable.value(),
5081 )),
5082 ..Default::default()
5083 };
5084 window.with_text_style(Some(text_style), |window| {
5085 let mut element = self.editor.read_with(cx, |editor, _| {
5086 let mouse_context_menu = editor.mouse_context_menu.as_ref()?;
5087 let context_menu = mouse_context_menu.context_menu.clone();
5088
5089 Some(
5090 deferred(
5091 anchored()
5092 .position(position)
5093 .child(context_menu)
5094 .anchor(Corner::TopLeft)
5095 .snap_to_window_with_margin(px(8.)),
5096 )
5097 .with_priority(1)
5098 .into_any(),
5099 )
5100 })?;
5101
5102 element.prepaint_as_root(position, AvailableSpace::min_size(), window, cx);
5103 Some(element)
5104 })
5105 }
5106
5107 fn layout_hover_popovers(
5108 &self,
5109 snapshot: &EditorSnapshot,
5110 hitbox: &Hitbox,
5111 visible_display_row_range: Range<DisplayRow>,
5112 content_origin: gpui::Point<Pixels>,
5113 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5114 line_layouts: &[LineWithInvisibles],
5115 line_height: Pixels,
5116 em_width: Pixels,
5117 context_menu_layout: Option<ContextMenuLayout>,
5118 window: &mut Window,
5119 cx: &mut App,
5120 ) {
5121 struct MeasuredHoverPopover {
5122 element: AnyElement,
5123 size: Size<Pixels>,
5124 horizontal_offset: Pixels,
5125 }
5126
5127 let max_size = size(
5128 (120. * em_width) // Default size
5129 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5130 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5131 (16. * line_height) // Default size
5132 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5133 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5134 );
5135
5136 let hover_popovers = self.editor.update(cx, |editor, cx| {
5137 editor.hover_state.render(
5138 snapshot,
5139 visible_display_row_range.clone(),
5140 max_size,
5141 window,
5142 cx,
5143 )
5144 });
5145 let Some((position, hover_popovers)) = hover_popovers else {
5146 return;
5147 };
5148
5149 // This is safe because we check on layout whether the required row is available
5150 let hovered_row_layout =
5151 &line_layouts[position.row().minus(visible_display_row_range.start) as usize];
5152
5153 // Compute Hovered Point
5154 let x = hovered_row_layout.x_for_index(position.column() as usize)
5155 - Pixels::from(scroll_pixel_position.x);
5156 let y = Pixels::from(
5157 position.row().as_f64() * ScrollPixelOffset::from(line_height)
5158 - scroll_pixel_position.y,
5159 );
5160 let hovered_point = content_origin + point(x, y);
5161
5162 let mut overall_height = Pixels::ZERO;
5163 let mut measured_hover_popovers = Vec::new();
5164 for (position, mut hover_popover) in hover_popovers.into_iter().with_position() {
5165 let size = hover_popover.layout_as_root(AvailableSpace::min_size(), window, cx);
5166 let horizontal_offset =
5167 (hitbox.top_right().x - POPOVER_RIGHT_OFFSET - (hovered_point.x + size.width))
5168 .min(Pixels::ZERO);
5169 match position {
5170 itertools::Position::Middle | itertools::Position::Last => {
5171 overall_height += HOVER_POPOVER_GAP
5172 }
5173 _ => {}
5174 }
5175 overall_height += size.height;
5176 measured_hover_popovers.push(MeasuredHoverPopover {
5177 element: hover_popover,
5178 size,
5179 horizontal_offset,
5180 });
5181 }
5182
5183 fn draw_occluder(
5184 width: Pixels,
5185 origin: gpui::Point<Pixels>,
5186 window: &mut Window,
5187 cx: &mut App,
5188 ) {
5189 let mut occlusion = div()
5190 .size_full()
5191 .occlude()
5192 .on_mouse_move(|_, _, cx| cx.stop_propagation())
5193 .into_any_element();
5194 occlusion.layout_as_root(size(width, HOVER_POPOVER_GAP).into(), window, cx);
5195 window.defer_draw(occlusion, origin, 2);
5196 }
5197
5198 fn place_popovers_above(
5199 hovered_point: gpui::Point<Pixels>,
5200 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5201 window: &mut Window,
5202 cx: &mut App,
5203 ) {
5204 let mut current_y = hovered_point.y;
5205 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5206 let size = popover.size;
5207 let popover_origin = point(
5208 hovered_point.x + popover.horizontal_offset,
5209 current_y - size.height,
5210 );
5211
5212 window.defer_draw(popover.element, popover_origin, 2);
5213 if position != itertools::Position::Last {
5214 let origin = point(popover_origin.x, popover_origin.y - HOVER_POPOVER_GAP);
5215 draw_occluder(size.width, origin, window, cx);
5216 }
5217
5218 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5219 }
5220 }
5221
5222 fn place_popovers_below(
5223 hovered_point: gpui::Point<Pixels>,
5224 measured_hover_popovers: Vec<MeasuredHoverPopover>,
5225 line_height: Pixels,
5226 window: &mut Window,
5227 cx: &mut App,
5228 ) {
5229 let mut current_y = hovered_point.y + line_height;
5230 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5231 let size = popover.size;
5232 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5233
5234 window.defer_draw(popover.element, popover_origin, 2);
5235 if position != itertools::Position::Last {
5236 let origin = point(popover_origin.x, popover_origin.y + size.height);
5237 draw_occluder(size.width, origin, window, cx);
5238 }
5239
5240 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5241 }
5242 }
5243
5244 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5245 context_menu_layout
5246 .as_ref()
5247 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5248 };
5249
5250 let can_place_above = {
5251 let mut bounds_above = Vec::new();
5252 let mut current_y = hovered_point.y;
5253 for popover in &measured_hover_popovers {
5254 let size = popover.size;
5255 let popover_origin = point(
5256 hovered_point.x + popover.horizontal_offset,
5257 current_y - size.height,
5258 );
5259 bounds_above.push(Bounds::new(popover_origin, size));
5260 current_y = popover_origin.y - HOVER_POPOVER_GAP;
5261 }
5262 bounds_above
5263 .iter()
5264 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5265 };
5266
5267 let can_place_below = || {
5268 let mut bounds_below = Vec::new();
5269 let mut current_y = hovered_point.y + line_height;
5270 for popover in &measured_hover_popovers {
5271 let size = popover.size;
5272 let popover_origin = point(hovered_point.x + popover.horizontal_offset, current_y);
5273 bounds_below.push(Bounds::new(popover_origin, size));
5274 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5275 }
5276 bounds_below
5277 .iter()
5278 .all(|b| b.is_contained_within(hitbox) && !intersects_menu(*b))
5279 };
5280
5281 if can_place_above {
5282 // try placing above hovered point
5283 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5284 } else if can_place_below() {
5285 // try placing below hovered point
5286 place_popovers_below(
5287 hovered_point,
5288 measured_hover_popovers,
5289 line_height,
5290 window,
5291 cx,
5292 );
5293 } else {
5294 // try to place popovers around the context menu
5295 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5296 let total_width = measured_hover_popovers
5297 .iter()
5298 .map(|p| p.size.width)
5299 .max()
5300 .unwrap_or(Pixels::ZERO);
5301 let y_for_horizontal_positioning = if menu.y_flipped {
5302 menu.bounds.bottom() - overall_height
5303 } else {
5304 menu.bounds.top()
5305 };
5306 let possible_origins = vec![
5307 // left of context menu
5308 point(
5309 menu.bounds.left() - total_width - HOVER_POPOVER_GAP,
5310 y_for_horizontal_positioning,
5311 ),
5312 // right of context menu
5313 point(
5314 menu.bounds.right() + HOVER_POPOVER_GAP,
5315 y_for_horizontal_positioning,
5316 ),
5317 // top of context menu
5318 point(
5319 menu.bounds.left(),
5320 menu.bounds.top() - overall_height - HOVER_POPOVER_GAP,
5321 ),
5322 // bottom of context menu
5323 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5324 ];
5325 possible_origins.into_iter().find(|&origin| {
5326 Bounds::new(origin, size(total_width, overall_height))
5327 .is_contained_within(hitbox)
5328 })
5329 });
5330 if let Some(origin) = origin_surrounding_menu {
5331 let mut current_y = origin.y;
5332 for (position, popover) in measured_hover_popovers.into_iter().with_position() {
5333 let size = popover.size;
5334 let popover_origin = point(origin.x, current_y);
5335
5336 window.defer_draw(popover.element, popover_origin, 2);
5337 if position != itertools::Position::Last {
5338 let origin = point(popover_origin.x, popover_origin.y + size.height);
5339 draw_occluder(size.width, origin, window, cx);
5340 }
5341
5342 current_y = popover_origin.y + size.height + HOVER_POPOVER_GAP;
5343 }
5344 } else {
5345 // fallback to existing above/below cursor logic
5346 // this might overlap menu or overflow in rare case
5347 if can_place_above {
5348 place_popovers_above(hovered_point, measured_hover_popovers, window, cx);
5349 } else {
5350 place_popovers_below(
5351 hovered_point,
5352 measured_hover_popovers,
5353 line_height,
5354 window,
5355 cx,
5356 );
5357 }
5358 }
5359 }
5360 }
5361
5362 fn layout_diff_hunk_controls(
5363 &self,
5364 row_range: Range<DisplayRow>,
5365 row_infos: &[RowInfo],
5366 text_hitbox: &Hitbox,
5367 newest_cursor_position: Option<DisplayPoint>,
5368 line_height: Pixels,
5369 right_margin: Pixels,
5370 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5371 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
5372 highlighted_rows: &BTreeMap<DisplayRow, LineHighlight>,
5373 editor: Entity<Editor>,
5374 window: &mut Window,
5375 cx: &mut App,
5376 ) -> (Vec<AnyElement>, Vec<(DisplayRow, Bounds<Pixels>)>) {
5377 let render_diff_hunk_controls = editor.read(cx).render_diff_hunk_controls.clone();
5378 let hovered_diff_hunk_row = editor.read(cx).hovered_diff_hunk_row;
5379
5380 let mut controls = vec![];
5381 let mut control_bounds = vec![];
5382
5383 let active_positions = [
5384 hovered_diff_hunk_row.map(|row| DisplayPoint::new(row, 0)),
5385 newest_cursor_position,
5386 ];
5387
5388 for (hunk, _) in display_hunks {
5389 if let DisplayDiffHunk::Unfolded {
5390 display_row_range,
5391 multi_buffer_range,
5392 status,
5393 is_created_file,
5394 ..
5395 } = &hunk
5396 {
5397 if display_row_range.start < row_range.start
5398 || display_row_range.start >= row_range.end
5399 {
5400 continue;
5401 }
5402 if highlighted_rows
5403 .get(&display_row_range.start)
5404 .and_then(|highlight| highlight.type_id)
5405 .is_some_and(|type_id| {
5406 [
5407 TypeId::of::<ConflictsOuter>(),
5408 TypeId::of::<ConflictsOursMarker>(),
5409 TypeId::of::<ConflictsOurs>(),
5410 TypeId::of::<ConflictsTheirs>(),
5411 TypeId::of::<ConflictsTheirsMarker>(),
5412 ]
5413 .contains(&type_id)
5414 })
5415 {
5416 continue;
5417 }
5418 let row_ix = (display_row_range.start - row_range.start).0 as usize;
5419 if row_infos[row_ix].diff_status.is_none() {
5420 continue;
5421 }
5422 if row_infos[row_ix]
5423 .diff_status
5424 .is_some_and(|status| status.is_added())
5425 && !status.is_added()
5426 {
5427 continue;
5428 }
5429
5430 if active_positions
5431 .iter()
5432 .any(|p| p.is_some_and(|p| display_row_range.contains(&p.row())))
5433 {
5434 let y = (display_row_range.start.as_f64()
5435 * ScrollPixelOffset::from(line_height)
5436 + ScrollPixelOffset::from(text_hitbox.bounds.top())
5437 - scroll_pixel_position.y)
5438 .into();
5439
5440 let mut element = render_diff_hunk_controls(
5441 display_row_range.start.0,
5442 status,
5443 multi_buffer_range.clone(),
5444 *is_created_file,
5445 line_height,
5446 &editor,
5447 window,
5448 cx,
5449 );
5450 let size =
5451 element.layout_as_root(size(px(100.0), line_height).into(), window, cx);
5452
5453 let x = text_hitbox.bounds.right() - right_margin - px(10.) - size.width;
5454
5455 let bounds = Bounds::new(gpui::Point::new(x, y), size);
5456 control_bounds.push((display_row_range.start, bounds));
5457
5458 window.with_absolute_element_offset(gpui::Point::new(x, y), |window| {
5459 element.prepaint(window, cx)
5460 });
5461 controls.push(element);
5462 }
5463 }
5464 }
5465
5466 (controls, control_bounds)
5467 }
5468
5469 fn layout_signature_help(
5470 &self,
5471 hitbox: &Hitbox,
5472 content_origin: gpui::Point<Pixels>,
5473 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
5474 newest_selection_head: Option<DisplayPoint>,
5475 start_row: DisplayRow,
5476 line_layouts: &[LineWithInvisibles],
5477 line_height: Pixels,
5478 em_width: Pixels,
5479 context_menu_layout: Option<ContextMenuLayout>,
5480 window: &mut Window,
5481 cx: &mut App,
5482 ) {
5483 if !self.editor.focus_handle(cx).is_focused(window) {
5484 return;
5485 }
5486 let Some(newest_selection_head) = newest_selection_head else {
5487 return;
5488 };
5489
5490 let max_size = size(
5491 (120. * em_width) // Default size
5492 .min(hitbox.size.width / 2.) // Shrink to half of the editor width
5493 .max(MIN_POPOVER_CHARACTER_WIDTH * em_width), // Apply minimum width of 20 characters
5494 (16. * line_height) // Default size
5495 .min(hitbox.size.height / 2.) // Shrink to half of the editor height
5496 .max(MIN_POPOVER_LINE_HEIGHT * line_height), // Apply minimum height of 4 lines
5497 );
5498
5499 let maybe_element = self.editor.update(cx, |editor, cx| {
5500 if let Some(popover) = editor.signature_help_state.popover_mut() {
5501 let element = popover.render(max_size, window, cx);
5502 Some(element)
5503 } else {
5504 None
5505 }
5506 });
5507 let Some(mut element) = maybe_element else {
5508 return;
5509 };
5510
5511 let selection_row = newest_selection_head.row();
5512 let Some(cursor_row_layout) = (selection_row >= start_row)
5513 .then(|| line_layouts.get(selection_row.minus(start_row) as usize))
5514 .flatten()
5515 else {
5516 return;
5517 };
5518
5519 let target_x = cursor_row_layout.x_for_index(newest_selection_head.column() as usize)
5520 - Pixels::from(scroll_pixel_position.x);
5521 let target_y = Pixels::from(
5522 selection_row.as_f64() * ScrollPixelOffset::from(line_height) - scroll_pixel_position.y,
5523 );
5524 let target_point = content_origin + point(target_x, target_y);
5525
5526 let actual_size = element.layout_as_root(Size::<AvailableSpace>::default(), window, cx);
5527
5528 let (popover_bounds_above, popover_bounds_below) = {
5529 let horizontal_offset = (hitbox.top_right().x
5530 - POPOVER_RIGHT_OFFSET
5531 - (target_point.x + actual_size.width))
5532 .min(Pixels::ZERO);
5533 let initial_x = target_point.x + horizontal_offset;
5534 (
5535 Bounds::new(
5536 point(initial_x, target_point.y - actual_size.height),
5537 actual_size,
5538 ),
5539 Bounds::new(
5540 point(initial_x, target_point.y + line_height + HOVER_POPOVER_GAP),
5541 actual_size,
5542 ),
5543 )
5544 };
5545
5546 let intersects_menu = |bounds: Bounds<Pixels>| -> bool {
5547 context_menu_layout
5548 .as_ref()
5549 .is_some_and(|menu| bounds.intersects(&menu.bounds))
5550 };
5551
5552 let final_origin = if popover_bounds_above.is_contained_within(hitbox)
5553 && !intersects_menu(popover_bounds_above)
5554 {
5555 // try placing above cursor
5556 popover_bounds_above.origin
5557 } else if popover_bounds_below.is_contained_within(hitbox)
5558 && !intersects_menu(popover_bounds_below)
5559 {
5560 // try placing below cursor
5561 popover_bounds_below.origin
5562 } else {
5563 // try surrounding context menu if exists
5564 let origin_surrounding_menu = context_menu_layout.as_ref().and_then(|menu| {
5565 let y_for_horizontal_positioning = if menu.y_flipped {
5566 menu.bounds.bottom() - actual_size.height
5567 } else {
5568 menu.bounds.top()
5569 };
5570 let possible_origins = vec![
5571 // left of context menu
5572 point(
5573 menu.bounds.left() - actual_size.width - HOVER_POPOVER_GAP,
5574 y_for_horizontal_positioning,
5575 ),
5576 // right of context menu
5577 point(
5578 menu.bounds.right() + HOVER_POPOVER_GAP,
5579 y_for_horizontal_positioning,
5580 ),
5581 // top of context menu
5582 point(
5583 menu.bounds.left(),
5584 menu.bounds.top() - actual_size.height - HOVER_POPOVER_GAP,
5585 ),
5586 // bottom of context menu
5587 point(menu.bounds.left(), menu.bounds.bottom() + HOVER_POPOVER_GAP),
5588 ];
5589 possible_origins
5590 .into_iter()
5591 .find(|&origin| Bounds::new(origin, actual_size).is_contained_within(hitbox))
5592 });
5593 origin_surrounding_menu.unwrap_or_else(|| {
5594 // fallback to existing above/below cursor logic
5595 // this might overlap menu or overflow in rare case
5596 if popover_bounds_above.is_contained_within(hitbox) {
5597 popover_bounds_above.origin
5598 } else {
5599 popover_bounds_below.origin
5600 }
5601 })
5602 };
5603
5604 window.defer_draw(element, final_origin, 2);
5605 }
5606
5607 fn paint_background(&self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
5608 window.paint_layer(layout.hitbox.bounds, |window| {
5609 let scroll_top = layout.position_map.snapshot.scroll_position().y;
5610 let gutter_bg = cx.theme().colors().editor_gutter_background;
5611 window.paint_quad(fill(layout.gutter_hitbox.bounds, gutter_bg));
5612 window.paint_quad(fill(
5613 layout.position_map.text_hitbox.bounds,
5614 self.style.background,
5615 ));
5616
5617 if matches!(
5618 layout.mode,
5619 EditorMode::Full { .. } | EditorMode::Minimap { .. }
5620 ) {
5621 let show_active_line_background = match layout.mode {
5622 EditorMode::Full {
5623 show_active_line_background,
5624 ..
5625 } => show_active_line_background,
5626 EditorMode::Minimap { .. } => true,
5627 _ => false,
5628 };
5629 let mut active_rows = layout.active_rows.iter().peekable();
5630 while let Some((start_row, contains_non_empty_selection)) = active_rows.next() {
5631 let mut end_row = start_row.0;
5632 while active_rows
5633 .peek()
5634 .is_some_and(|(active_row, has_selection)| {
5635 active_row.0 == end_row + 1
5636 && has_selection.selection == contains_non_empty_selection.selection
5637 })
5638 {
5639 active_rows.next().unwrap();
5640 end_row += 1;
5641 }
5642
5643 if show_active_line_background && !contains_non_empty_selection.selection {
5644 let highlight_h_range =
5645 match layout.position_map.snapshot.current_line_highlight {
5646 CurrentLineHighlight::Gutter => Some(Range {
5647 start: layout.hitbox.left(),
5648 end: layout.gutter_hitbox.right(),
5649 }),
5650 CurrentLineHighlight::Line => Some(Range {
5651 start: layout.position_map.text_hitbox.bounds.left(),
5652 end: layout.position_map.text_hitbox.bounds.right(),
5653 }),
5654 CurrentLineHighlight::All => Some(Range {
5655 start: layout.hitbox.left(),
5656 end: layout.hitbox.right(),
5657 }),
5658 CurrentLineHighlight::None => None,
5659 };
5660 if let Some(range) = highlight_h_range {
5661 let active_line_bg = cx.theme().colors().editor_active_line_background;
5662 let bounds = Bounds {
5663 origin: point(
5664 range.start,
5665 layout.hitbox.origin.y
5666 + Pixels::from(
5667 (start_row.as_f64() - scroll_top)
5668 * ScrollPixelOffset::from(
5669 layout.position_map.line_height,
5670 ),
5671 ),
5672 ),
5673 size: size(
5674 range.end - range.start,
5675 layout.position_map.line_height
5676 * (end_row - start_row.0 + 1) as f32,
5677 ),
5678 };
5679 window.paint_quad(fill(bounds, active_line_bg));
5680 }
5681 }
5682 }
5683
5684 let mut paint_highlight = |highlight_row_start: DisplayRow,
5685 highlight_row_end: DisplayRow,
5686 highlight: crate::LineHighlight,
5687 edges| {
5688 let mut origin_x = layout.hitbox.left();
5689 let mut width = layout.hitbox.size.width;
5690 if !highlight.include_gutter {
5691 origin_x += layout.gutter_hitbox.size.width;
5692 width -= layout.gutter_hitbox.size.width;
5693 }
5694
5695 let origin = point(
5696 origin_x,
5697 layout.hitbox.origin.y
5698 + Pixels::from(
5699 (highlight_row_start.as_f64() - scroll_top)
5700 * ScrollPixelOffset::from(layout.position_map.line_height),
5701 ),
5702 );
5703 let size = size(
5704 width,
5705 layout.position_map.line_height
5706 * highlight_row_end.next_row().minus(highlight_row_start) as f32,
5707 );
5708 let mut quad = fill(Bounds { origin, size }, highlight.background);
5709 if let Some(border_color) = highlight.border {
5710 quad.border_color = border_color;
5711 quad.border_widths = edges
5712 }
5713 window.paint_quad(quad);
5714 };
5715
5716 let mut current_paint: Option<(LineHighlight, Range<DisplayRow>, Edges<Pixels>)> =
5717 None;
5718 for (&new_row, &new_background) in &layout.highlighted_rows {
5719 match &mut current_paint {
5720 &mut Some((current_background, ref mut current_range, mut edges)) => {
5721 let new_range_started = current_background != new_background
5722 || current_range.end.next_row() != new_row;
5723 if new_range_started {
5724 if current_range.end.next_row() == new_row {
5725 edges.bottom = px(0.);
5726 };
5727 paint_highlight(
5728 current_range.start,
5729 current_range.end,
5730 current_background,
5731 edges,
5732 );
5733 let edges = Edges {
5734 top: if current_range.end.next_row() != new_row {
5735 px(1.)
5736 } else {
5737 px(0.)
5738 },
5739 bottom: px(1.),
5740 ..Default::default()
5741 };
5742 current_paint = Some((new_background, new_row..new_row, edges));
5743 continue;
5744 } else {
5745 current_range.end = current_range.end.next_row();
5746 }
5747 }
5748 None => {
5749 let edges = Edges {
5750 top: px(1.),
5751 bottom: px(1.),
5752 ..Default::default()
5753 };
5754 current_paint = Some((new_background, new_row..new_row, edges))
5755 }
5756 };
5757 }
5758 if let Some((color, range, edges)) = current_paint {
5759 paint_highlight(range.start, range.end, color, edges);
5760 }
5761
5762 for (guide_x, active) in layout.wrap_guides.iter() {
5763 let color = if *active {
5764 cx.theme().colors().editor_active_wrap_guide
5765 } else {
5766 cx.theme().colors().editor_wrap_guide
5767 };
5768 window.paint_quad(fill(
5769 Bounds {
5770 origin: point(*guide_x, layout.position_map.text_hitbox.origin.y),
5771 size: size(px(1.), layout.position_map.text_hitbox.size.height),
5772 },
5773 color,
5774 ));
5775 }
5776 }
5777 })
5778 }
5779
5780 fn paint_indent_guides(
5781 &mut self,
5782 layout: &mut EditorLayout,
5783 window: &mut Window,
5784 cx: &mut App,
5785 ) {
5786 let Some(indent_guides) = &layout.indent_guides else {
5787 return;
5788 };
5789
5790 let faded_color = |color: Hsla, alpha: f32| {
5791 let mut faded = color;
5792 faded.a = alpha;
5793 faded
5794 };
5795
5796 for indent_guide in indent_guides {
5797 let indent_accent_colors = cx.theme().accents().color_for_index(indent_guide.depth);
5798 let settings = &indent_guide.settings;
5799
5800 // TODO fixed for now, expose them through themes later
5801 const INDENT_AWARE_ALPHA: f32 = 0.2;
5802 const INDENT_AWARE_ACTIVE_ALPHA: f32 = 0.4;
5803 const INDENT_AWARE_BACKGROUND_ALPHA: f32 = 0.1;
5804 const INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA: f32 = 0.2;
5805
5806 let line_color = match (settings.coloring, indent_guide.active) {
5807 (IndentGuideColoring::Disabled, _) => None,
5808 (IndentGuideColoring::Fixed, false) => {
5809 Some(cx.theme().colors().editor_indent_guide)
5810 }
5811 (IndentGuideColoring::Fixed, true) => {
5812 Some(cx.theme().colors().editor_indent_guide_active)
5813 }
5814 (IndentGuideColoring::IndentAware, false) => {
5815 Some(faded_color(indent_accent_colors, INDENT_AWARE_ALPHA))
5816 }
5817 (IndentGuideColoring::IndentAware, true) => {
5818 Some(faded_color(indent_accent_colors, INDENT_AWARE_ACTIVE_ALPHA))
5819 }
5820 };
5821
5822 let background_color = match (settings.background_coloring, indent_guide.active) {
5823 (IndentGuideBackgroundColoring::Disabled, _) => None,
5824 (IndentGuideBackgroundColoring::IndentAware, false) => Some(faded_color(
5825 indent_accent_colors,
5826 INDENT_AWARE_BACKGROUND_ALPHA,
5827 )),
5828 (IndentGuideBackgroundColoring::IndentAware, true) => Some(faded_color(
5829 indent_accent_colors,
5830 INDENT_AWARE_BACKGROUND_ACTIVE_ALPHA,
5831 )),
5832 };
5833
5834 let requested_line_width = if indent_guide.active {
5835 settings.active_line_width
5836 } else {
5837 settings.line_width
5838 }
5839 .clamp(1, 10);
5840 let mut line_indicator_width = 0.;
5841 if let Some(color) = line_color {
5842 window.paint_quad(fill(
5843 Bounds {
5844 origin: indent_guide.origin,
5845 size: size(px(requested_line_width as f32), indent_guide.length),
5846 },
5847 color,
5848 ));
5849 line_indicator_width = requested_line_width as f32;
5850 }
5851
5852 if let Some(color) = background_color {
5853 let width = indent_guide.single_indent_width - px(line_indicator_width);
5854 window.paint_quad(fill(
5855 Bounds {
5856 origin: point(
5857 indent_guide.origin.x + px(line_indicator_width),
5858 indent_guide.origin.y,
5859 ),
5860 size: size(width, indent_guide.length),
5861 },
5862 color,
5863 ));
5864 }
5865 }
5866 }
5867
5868 fn paint_line_numbers(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5869 let is_singleton = self.editor.read(cx).buffer_kind(cx) == ItemBufferKind::Singleton;
5870
5871 let line_height = layout.position_map.line_height;
5872 window.set_cursor_style(CursorStyle::Arrow, &layout.gutter_hitbox);
5873
5874 for line_layout in layout.line_numbers.values() {
5875 for LineNumberSegment {
5876 shaped_line,
5877 hitbox,
5878 } in &line_layout.segments
5879 {
5880 let Some(hitbox) = hitbox else {
5881 continue;
5882 };
5883
5884 let Some(()) = (if !is_singleton && hitbox.is_hovered(window) {
5885 let color = cx.theme().colors().editor_hover_line_number;
5886
5887 let line = self.shape_line_number(shaped_line.text.clone(), color, window);
5888 line.paint(hitbox.origin, line_height, window, cx).log_err()
5889 } else {
5890 shaped_line
5891 .paint(hitbox.origin, line_height, window, cx)
5892 .log_err()
5893 }) else {
5894 continue;
5895 };
5896
5897 // In singleton buffers, we select corresponding lines on the line number click, so use | -like cursor.
5898 // In multi buffers, we open file at the line number clicked, so use a pointing hand cursor.
5899 if is_singleton {
5900 window.set_cursor_style(CursorStyle::IBeam, hitbox);
5901 } else {
5902 window.set_cursor_style(CursorStyle::PointingHand, hitbox);
5903 }
5904 }
5905 }
5906 }
5907
5908 fn paint_gutter_diff_hunks(layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
5909 if layout.display_hunks.is_empty() {
5910 return;
5911 }
5912
5913 let line_height = layout.position_map.line_height;
5914 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
5915 for (hunk, hitbox) in &layout.display_hunks {
5916 let hunk_to_paint = match hunk {
5917 DisplayDiffHunk::Folded { .. } => {
5918 let hunk_bounds = Self::diff_hunk_bounds(
5919 &layout.position_map.snapshot,
5920 line_height,
5921 layout.gutter_hitbox.bounds,
5922 hunk,
5923 );
5924 Some((
5925 hunk_bounds,
5926 cx.theme().colors().version_control_modified,
5927 Corners::all(px(0.)),
5928 DiffHunkStatus::modified_none(),
5929 ))
5930 }
5931 DisplayDiffHunk::Unfolded {
5932 status,
5933 display_row_range,
5934 ..
5935 } => hitbox.as_ref().map(|hunk_hitbox| match status.kind {
5936 DiffHunkStatusKind::Added => (
5937 hunk_hitbox.bounds,
5938 cx.theme().colors().version_control_added,
5939 Corners::all(px(0.)),
5940 *status,
5941 ),
5942 DiffHunkStatusKind::Modified => (
5943 hunk_hitbox.bounds,
5944 cx.theme().colors().version_control_modified,
5945 Corners::all(px(0.)),
5946 *status,
5947 ),
5948 DiffHunkStatusKind::Deleted if !display_row_range.is_empty() => (
5949 hunk_hitbox.bounds,
5950 cx.theme().colors().version_control_deleted,
5951 Corners::all(px(0.)),
5952 *status,
5953 ),
5954 DiffHunkStatusKind::Deleted => (
5955 Bounds::new(
5956 point(
5957 hunk_hitbox.origin.x - hunk_hitbox.size.width,
5958 hunk_hitbox.origin.y,
5959 ),
5960 size(hunk_hitbox.size.width * 2., hunk_hitbox.size.height),
5961 ),
5962 cx.theme().colors().version_control_deleted,
5963 Corners::all(1. * line_height),
5964 *status,
5965 ),
5966 }),
5967 };
5968
5969 if let Some((hunk_bounds, background_color, corner_radii, status)) = hunk_to_paint {
5970 // Flatten the background color with the editor color to prevent
5971 // elements below transparent hunks from showing through
5972 let flattened_background_color = cx
5973 .theme()
5974 .colors()
5975 .editor_background
5976 .blend(background_color);
5977
5978 if !Self::diff_hunk_hollow(status, cx) {
5979 window.paint_quad(quad(
5980 hunk_bounds,
5981 corner_radii,
5982 flattened_background_color,
5983 Edges::default(),
5984 transparent_black(),
5985 BorderStyle::default(),
5986 ));
5987 } else {
5988 let flattened_unstaged_background_color = cx
5989 .theme()
5990 .colors()
5991 .editor_background
5992 .blend(background_color.opacity(0.3));
5993
5994 window.paint_quad(quad(
5995 hunk_bounds,
5996 corner_radii,
5997 flattened_unstaged_background_color,
5998 Edges::all(px(1.0)),
5999 flattened_background_color,
6000 BorderStyle::Solid,
6001 ));
6002 }
6003 }
6004 }
6005 });
6006 }
6007
6008 fn gutter_strip_width(line_height: Pixels) -> Pixels {
6009 (0.275 * line_height).floor()
6010 }
6011
6012 fn diff_hunk_bounds(
6013 snapshot: &EditorSnapshot,
6014 line_height: Pixels,
6015 gutter_bounds: Bounds<Pixels>,
6016 hunk: &DisplayDiffHunk,
6017 ) -> Bounds<Pixels> {
6018 let scroll_position = snapshot.scroll_position();
6019 let scroll_top = scroll_position.y * ScrollPixelOffset::from(line_height);
6020 let gutter_strip_width = Self::gutter_strip_width(line_height);
6021
6022 match hunk {
6023 DisplayDiffHunk::Folded { display_row, .. } => {
6024 let start_y = (display_row.as_f64() * ScrollPixelOffset::from(line_height)
6025 - scroll_top)
6026 .into();
6027 let end_y = start_y + line_height;
6028 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6029 let highlight_size = size(gutter_strip_width, end_y - start_y);
6030 Bounds::new(highlight_origin, highlight_size)
6031 }
6032 DisplayDiffHunk::Unfolded {
6033 display_row_range,
6034 status,
6035 ..
6036 } => {
6037 if status.is_deleted() && display_row_range.is_empty() {
6038 let row = display_row_range.start;
6039
6040 let offset = ScrollPixelOffset::from(line_height / 2.);
6041 let start_y =
6042 (row.as_f64() * ScrollPixelOffset::from(line_height) - offset - scroll_top)
6043 .into();
6044 let end_y = start_y + line_height;
6045
6046 let width = (0.35 * line_height).floor();
6047 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6048 let highlight_size = size(width, end_y - start_y);
6049 Bounds::new(highlight_origin, highlight_size)
6050 } else {
6051 let start_row = display_row_range.start;
6052 let end_row = display_row_range.end;
6053 // If we're in a multibuffer, row range span might include an
6054 // excerpt header, so if we were to draw the marker straight away,
6055 // the hunk might include the rows of that header.
6056 // Making the range inclusive doesn't quite cut it, as we rely on the exclusivity for the soft wrap.
6057 // Instead, we simply check whether the range we're dealing with includes
6058 // any excerpt headers and if so, we stop painting the diff hunk on the first row of that header.
6059 let end_row_in_current_excerpt = snapshot
6060 .blocks_in_range(start_row..end_row)
6061 .find_map(|(start_row, block)| {
6062 if matches!(
6063 block,
6064 Block::ExcerptBoundary { .. } | Block::BufferHeader { .. }
6065 ) {
6066 Some(start_row)
6067 } else {
6068 None
6069 }
6070 })
6071 .unwrap_or(end_row);
6072
6073 let start_y = (start_row.as_f64() * ScrollPixelOffset::from(line_height)
6074 - scroll_top)
6075 .into();
6076 let end_y = Pixels::from(
6077 end_row_in_current_excerpt.as_f64() * ScrollPixelOffset::from(line_height)
6078 - scroll_top,
6079 );
6080
6081 let highlight_origin = gutter_bounds.origin + point(px(0.), start_y);
6082 let highlight_size = size(gutter_strip_width, end_y - start_y);
6083 Bounds::new(highlight_origin, highlight_size)
6084 }
6085 }
6086 }
6087 }
6088
6089 fn paint_gutter_indicators(
6090 &self,
6091 layout: &mut EditorLayout,
6092 window: &mut Window,
6093 cx: &mut App,
6094 ) {
6095 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6096 window.with_element_namespace("crease_toggles", |window| {
6097 for crease_toggle in layout.crease_toggles.iter_mut().flatten() {
6098 crease_toggle.paint(window, cx);
6099 }
6100 });
6101
6102 window.with_element_namespace("expand_toggles", |window| {
6103 for (expand_toggle, _) in layout.expand_toggles.iter_mut().flatten() {
6104 expand_toggle.paint(window, cx);
6105 }
6106 });
6107
6108 for breakpoint in layout.breakpoints.iter_mut() {
6109 breakpoint.paint(window, cx);
6110 }
6111
6112 for test_indicator in layout.test_indicators.iter_mut() {
6113 test_indicator.paint(window, cx);
6114 }
6115 });
6116 }
6117
6118 fn paint_gutter_highlights(
6119 &self,
6120 layout: &mut EditorLayout,
6121 window: &mut Window,
6122 cx: &mut App,
6123 ) {
6124 for (_, hunk_hitbox) in &layout.display_hunks {
6125 if let Some(hunk_hitbox) = hunk_hitbox
6126 && !self
6127 .editor
6128 .read(cx)
6129 .buffer()
6130 .read(cx)
6131 .all_diff_hunks_expanded()
6132 {
6133 window.set_cursor_style(CursorStyle::PointingHand, hunk_hitbox);
6134 }
6135 }
6136
6137 let show_git_gutter = layout
6138 .position_map
6139 .snapshot
6140 .show_git_diff_gutter
6141 .unwrap_or_else(|| {
6142 matches!(
6143 ProjectSettings::get_global(cx).git.git_gutter,
6144 GitGutterSetting::TrackedFiles
6145 )
6146 });
6147 if show_git_gutter {
6148 Self::paint_gutter_diff_hunks(layout, window, cx)
6149 }
6150
6151 let highlight_width = 0.275 * layout.position_map.line_height;
6152 let highlight_corner_radii = Corners::all(0.05 * layout.position_map.line_height);
6153 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6154 for (range, color) in &layout.highlighted_gutter_ranges {
6155 let start_row = if range.start.row() < layout.visible_display_row_range.start {
6156 layout.visible_display_row_range.start - DisplayRow(1)
6157 } else {
6158 range.start.row()
6159 };
6160 let end_row = if range.end.row() > layout.visible_display_row_range.end {
6161 layout.visible_display_row_range.end + DisplayRow(1)
6162 } else {
6163 range.end.row()
6164 };
6165
6166 let start_y = layout.gutter_hitbox.top()
6167 + Pixels::from(
6168 start_row.0 as f64
6169 * ScrollPixelOffset::from(layout.position_map.line_height)
6170 - layout.position_map.scroll_pixel_position.y,
6171 );
6172 let end_y = layout.gutter_hitbox.top()
6173 + Pixels::from(
6174 (end_row.0 + 1) as f64
6175 * ScrollPixelOffset::from(layout.position_map.line_height)
6176 - layout.position_map.scroll_pixel_position.y,
6177 );
6178 let bounds = Bounds::from_corners(
6179 point(layout.gutter_hitbox.left(), start_y),
6180 point(layout.gutter_hitbox.left() + highlight_width, end_y),
6181 );
6182 window.paint_quad(fill(bounds, *color).corner_radii(highlight_corner_radii));
6183 }
6184 });
6185 }
6186
6187 fn paint_blamed_display_rows(
6188 &self,
6189 layout: &mut EditorLayout,
6190 window: &mut Window,
6191 cx: &mut App,
6192 ) {
6193 let Some(blamed_display_rows) = layout.blamed_display_rows.take() else {
6194 return;
6195 };
6196
6197 window.paint_layer(layout.gutter_hitbox.bounds, |window| {
6198 for mut blame_element in blamed_display_rows.into_iter() {
6199 blame_element.paint(window, cx);
6200 }
6201 })
6202 }
6203
6204 fn paint_text(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6205 window.with_content_mask(
6206 Some(ContentMask {
6207 bounds: layout.position_map.text_hitbox.bounds,
6208 }),
6209 |window| {
6210 let editor = self.editor.read(cx);
6211 if editor.mouse_cursor_hidden {
6212 window.set_window_cursor_style(CursorStyle::None);
6213 } else if let SelectionDragState::ReadyToDrag {
6214 mouse_down_time, ..
6215 } = &editor.selection_drag_state
6216 {
6217 let drag_and_drop_delay = Duration::from_millis(
6218 EditorSettings::get_global(cx)
6219 .drag_and_drop_selection
6220 .delay
6221 .0,
6222 );
6223 if mouse_down_time.elapsed() >= drag_and_drop_delay {
6224 window.set_cursor_style(
6225 CursorStyle::DragCopy,
6226 &layout.position_map.text_hitbox,
6227 );
6228 }
6229 } else if matches!(
6230 editor.selection_drag_state,
6231 SelectionDragState::Dragging { .. }
6232 ) {
6233 window
6234 .set_cursor_style(CursorStyle::DragCopy, &layout.position_map.text_hitbox);
6235 } else if editor
6236 .hovered_link_state
6237 .as_ref()
6238 .is_some_and(|hovered_link_state| !hovered_link_state.links.is_empty())
6239 {
6240 window.set_cursor_style(
6241 CursorStyle::PointingHand,
6242 &layout.position_map.text_hitbox,
6243 );
6244 } else {
6245 window.set_cursor_style(CursorStyle::IBeam, &layout.position_map.text_hitbox);
6246 };
6247
6248 self.paint_lines_background(layout, window, cx);
6249 let invisible_display_ranges = self.paint_highlights(layout, window, cx);
6250 self.paint_document_colors(layout, window);
6251 self.paint_lines(&invisible_display_ranges, layout, window, cx);
6252 self.paint_redactions(layout, window);
6253 self.paint_cursors(layout, window, cx);
6254 self.paint_inline_diagnostics(layout, window, cx);
6255 self.paint_inline_blame(layout, window, cx);
6256 self.paint_inline_code_actions(layout, window, cx);
6257 self.paint_diff_hunk_controls(layout, window, cx);
6258 window.with_element_namespace("crease_trailers", |window| {
6259 for trailer in layout.crease_trailers.iter_mut().flatten() {
6260 trailer.element.paint(window, cx);
6261 }
6262 });
6263 },
6264 )
6265 }
6266
6267 fn paint_highlights(
6268 &mut self,
6269 layout: &mut EditorLayout,
6270 window: &mut Window,
6271 cx: &mut App,
6272 ) -> SmallVec<[Range<DisplayPoint>; 32]> {
6273 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6274 let mut invisible_display_ranges = SmallVec::<[Range<DisplayPoint>; 32]>::new();
6275 let line_end_overshoot = 0.15 * layout.position_map.line_height;
6276 for (range, color) in &layout.highlighted_ranges {
6277 self.paint_highlighted_range(
6278 range.clone(),
6279 true,
6280 *color,
6281 Pixels::ZERO,
6282 line_end_overshoot,
6283 layout,
6284 window,
6285 );
6286 }
6287
6288 let corner_radius = if EditorSettings::get_global(cx).rounded_selection {
6289 0.15 * layout.position_map.line_height
6290 } else {
6291 Pixels::ZERO
6292 };
6293
6294 for (player_color, selections) in &layout.selections {
6295 for selection in selections.iter() {
6296 self.paint_highlighted_range(
6297 selection.range.clone(),
6298 true,
6299 player_color.selection,
6300 corner_radius,
6301 corner_radius * 2.,
6302 layout,
6303 window,
6304 );
6305
6306 if selection.is_local && !selection.range.is_empty() {
6307 invisible_display_ranges.push(selection.range.clone());
6308 }
6309 }
6310 }
6311 invisible_display_ranges
6312 })
6313 }
6314
6315 fn paint_lines(
6316 &mut self,
6317 invisible_display_ranges: &[Range<DisplayPoint>],
6318 layout: &mut EditorLayout,
6319 window: &mut Window,
6320 cx: &mut App,
6321 ) {
6322 let whitespace_setting = self
6323 .editor
6324 .read(cx)
6325 .buffer
6326 .read(cx)
6327 .language_settings(cx)
6328 .show_whitespaces;
6329
6330 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6331 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6332 line_with_invisibles.draw(
6333 layout,
6334 row,
6335 layout.content_origin,
6336 whitespace_setting,
6337 invisible_display_ranges,
6338 window,
6339 cx,
6340 )
6341 }
6342
6343 for line_element in &mut layout.line_elements {
6344 line_element.paint(window, cx);
6345 }
6346 }
6347
6348 fn paint_lines_background(
6349 &mut self,
6350 layout: &mut EditorLayout,
6351 window: &mut Window,
6352 cx: &mut App,
6353 ) {
6354 for (ix, line_with_invisibles) in layout.position_map.line_layouts.iter().enumerate() {
6355 let row = DisplayRow(layout.visible_display_row_range.start.0 + ix as u32);
6356 line_with_invisibles.draw_background(layout, row, layout.content_origin, window, cx);
6357 }
6358 }
6359
6360 fn paint_redactions(&mut self, layout: &EditorLayout, window: &mut Window) {
6361 if layout.redacted_ranges.is_empty() {
6362 return;
6363 }
6364
6365 let line_end_overshoot = layout.line_end_overshoot();
6366
6367 // A softer than perfect black
6368 let redaction_color = gpui::rgb(0x0e1111);
6369
6370 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6371 for range in layout.redacted_ranges.iter() {
6372 self.paint_highlighted_range(
6373 range.clone(),
6374 true,
6375 redaction_color.into(),
6376 Pixels::ZERO,
6377 line_end_overshoot,
6378 layout,
6379 window,
6380 );
6381 }
6382 });
6383 }
6384
6385 fn paint_document_colors(&self, layout: &mut EditorLayout, window: &mut Window) {
6386 let Some((colors_render_mode, image_colors)) = &layout.document_colors else {
6387 return;
6388 };
6389 if image_colors.is_empty()
6390 || colors_render_mode == &DocumentColorsRenderMode::None
6391 || colors_render_mode == &DocumentColorsRenderMode::Inlay
6392 {
6393 return;
6394 }
6395
6396 let line_end_overshoot = layout.line_end_overshoot();
6397
6398 for (range, color) in image_colors {
6399 match colors_render_mode {
6400 DocumentColorsRenderMode::Inlay | DocumentColorsRenderMode::None => return,
6401 DocumentColorsRenderMode::Background => {
6402 self.paint_highlighted_range(
6403 range.clone(),
6404 true,
6405 *color,
6406 Pixels::ZERO,
6407 line_end_overshoot,
6408 layout,
6409 window,
6410 );
6411 }
6412 DocumentColorsRenderMode::Border => {
6413 self.paint_highlighted_range(
6414 range.clone(),
6415 false,
6416 *color,
6417 Pixels::ZERO,
6418 line_end_overshoot,
6419 layout,
6420 window,
6421 );
6422 }
6423 }
6424 }
6425 }
6426
6427 fn paint_cursors(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6428 for cursor in &mut layout.visible_cursors {
6429 cursor.paint(layout.content_origin, window, cx);
6430 }
6431 }
6432
6433 fn paint_scrollbars(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6434 let Some(scrollbars_layout) = layout.scrollbars_layout.take() else {
6435 return;
6436 };
6437 let any_scrollbar_dragged = self.editor.read(cx).scroll_manager.any_scrollbar_dragged();
6438
6439 for (scrollbar_layout, axis) in scrollbars_layout.iter_scrollbars() {
6440 let hitbox = &scrollbar_layout.hitbox;
6441 if scrollbars_layout.visible {
6442 let scrollbar_edges = match axis {
6443 ScrollbarAxis::Horizontal => Edges {
6444 top: Pixels::ZERO,
6445 right: Pixels::ZERO,
6446 bottom: Pixels::ZERO,
6447 left: Pixels::ZERO,
6448 },
6449 ScrollbarAxis::Vertical => Edges {
6450 top: Pixels::ZERO,
6451 right: Pixels::ZERO,
6452 bottom: Pixels::ZERO,
6453 left: ScrollbarLayout::BORDER_WIDTH,
6454 },
6455 };
6456
6457 window.paint_layer(hitbox.bounds, |window| {
6458 window.paint_quad(quad(
6459 hitbox.bounds,
6460 Corners::default(),
6461 cx.theme().colors().scrollbar_track_background,
6462 scrollbar_edges,
6463 cx.theme().colors().scrollbar_track_border,
6464 BorderStyle::Solid,
6465 ));
6466
6467 if axis == ScrollbarAxis::Vertical {
6468 let fast_markers =
6469 self.collect_fast_scrollbar_markers(layout, scrollbar_layout, cx);
6470 // Refresh slow scrollbar markers in the background. Below, we
6471 // paint whatever markers have already been computed.
6472 self.refresh_slow_scrollbar_markers(layout, scrollbar_layout, window, cx);
6473
6474 let markers = self.editor.read(cx).scrollbar_marker_state.markers.clone();
6475 for marker in markers.iter().chain(&fast_markers) {
6476 let mut marker = marker.clone();
6477 marker.bounds.origin += hitbox.origin;
6478 window.paint_quad(marker);
6479 }
6480 }
6481
6482 if let Some(thumb_bounds) = scrollbar_layout.thumb_bounds {
6483 let scrollbar_thumb_color = match scrollbar_layout.thumb_state {
6484 ScrollbarThumbState::Dragging => {
6485 cx.theme().colors().scrollbar_thumb_active_background
6486 }
6487 ScrollbarThumbState::Hovered => {
6488 cx.theme().colors().scrollbar_thumb_hover_background
6489 }
6490 ScrollbarThumbState::Idle => {
6491 cx.theme().colors().scrollbar_thumb_background
6492 }
6493 };
6494 window.paint_quad(quad(
6495 thumb_bounds,
6496 Corners::default(),
6497 scrollbar_thumb_color,
6498 scrollbar_edges,
6499 cx.theme().colors().scrollbar_thumb_border,
6500 BorderStyle::Solid,
6501 ));
6502
6503 if any_scrollbar_dragged {
6504 window.set_window_cursor_style(CursorStyle::Arrow);
6505 } else {
6506 window.set_cursor_style(CursorStyle::Arrow, hitbox);
6507 }
6508 }
6509 })
6510 }
6511 }
6512
6513 window.on_mouse_event({
6514 let editor = self.editor.clone();
6515 let scrollbars_layout = scrollbars_layout.clone();
6516
6517 let mut mouse_position = window.mouse_position();
6518 move |event: &MouseMoveEvent, phase, window, cx| {
6519 if phase == DispatchPhase::Capture {
6520 return;
6521 }
6522
6523 editor.update(cx, |editor, cx| {
6524 if let Some((scrollbar_layout, axis)) = event
6525 .pressed_button
6526 .filter(|button| *button == MouseButton::Left)
6527 .and(editor.scroll_manager.dragging_scrollbar_axis())
6528 .and_then(|axis| {
6529 scrollbars_layout
6530 .iter_scrollbars()
6531 .find(|(_, a)| *a == axis)
6532 })
6533 {
6534 let ScrollbarLayout {
6535 hitbox,
6536 text_unit_size,
6537 ..
6538 } = scrollbar_layout;
6539
6540 let old_position = mouse_position.along(axis);
6541 let new_position = event.position.along(axis);
6542 if (hitbox.origin.along(axis)..hitbox.bottom_right().along(axis))
6543 .contains(&old_position)
6544 {
6545 let position = editor.scroll_position(cx).apply_along(axis, |p| {
6546 (p + ScrollOffset::from(
6547 (new_position - old_position) / *text_unit_size,
6548 ))
6549 .max(0.)
6550 });
6551 editor.set_scroll_position(position, window, cx);
6552 }
6553
6554 editor.scroll_manager.show_scrollbars(window, cx);
6555 cx.stop_propagation();
6556 } else if let Some((layout, axis)) = scrollbars_layout
6557 .get_hovered_axis(window)
6558 .filter(|_| !event.dragging())
6559 {
6560 if layout.thumb_hovered(&event.position) {
6561 editor
6562 .scroll_manager
6563 .set_hovered_scroll_thumb_axis(axis, cx);
6564 } else {
6565 editor.scroll_manager.reset_scrollbar_state(cx);
6566 }
6567
6568 editor.scroll_manager.show_scrollbars(window, cx);
6569 } else {
6570 editor.scroll_manager.reset_scrollbar_state(cx);
6571 }
6572
6573 mouse_position = event.position;
6574 })
6575 }
6576 });
6577
6578 if any_scrollbar_dragged {
6579 window.on_mouse_event({
6580 let editor = self.editor.clone();
6581 move |_: &MouseUpEvent, phase, window, cx| {
6582 if phase == DispatchPhase::Capture {
6583 return;
6584 }
6585
6586 editor.update(cx, |editor, cx| {
6587 if let Some((_, axis)) = scrollbars_layout.get_hovered_axis(window) {
6588 editor
6589 .scroll_manager
6590 .set_hovered_scroll_thumb_axis(axis, cx);
6591 } else {
6592 editor.scroll_manager.reset_scrollbar_state(cx);
6593 }
6594 cx.stop_propagation();
6595 });
6596 }
6597 });
6598 } else {
6599 window.on_mouse_event({
6600 let editor = self.editor.clone();
6601
6602 move |event: &MouseDownEvent, phase, window, cx| {
6603 if phase == DispatchPhase::Capture {
6604 return;
6605 }
6606 let Some((scrollbar_layout, axis)) = scrollbars_layout.get_hovered_axis(window)
6607 else {
6608 return;
6609 };
6610
6611 let ScrollbarLayout {
6612 hitbox,
6613 visible_range,
6614 text_unit_size,
6615 thumb_bounds,
6616 ..
6617 } = scrollbar_layout;
6618
6619 let Some(thumb_bounds) = thumb_bounds else {
6620 return;
6621 };
6622
6623 editor.update(cx, |editor, cx| {
6624 editor
6625 .scroll_manager
6626 .set_dragged_scroll_thumb_axis(axis, cx);
6627
6628 let event_position = event.position.along(axis);
6629
6630 if event_position < thumb_bounds.origin.along(axis)
6631 || thumb_bounds.bottom_right().along(axis) < event_position
6632 {
6633 let center_position = ((event_position - hitbox.origin.along(axis))
6634 / *text_unit_size)
6635 .round() as u32;
6636 let start_position = center_position.saturating_sub(
6637 (visible_range.end - visible_range.start) as u32 / 2,
6638 );
6639
6640 let position = editor
6641 .scroll_position(cx)
6642 .apply_along(axis, |_| start_position as ScrollOffset);
6643
6644 editor.set_scroll_position(position, window, cx);
6645 } else {
6646 editor.scroll_manager.show_scrollbars(window, cx);
6647 }
6648
6649 cx.stop_propagation();
6650 });
6651 }
6652 });
6653 }
6654 }
6655
6656 fn collect_fast_scrollbar_markers(
6657 &self,
6658 layout: &EditorLayout,
6659 scrollbar_layout: &ScrollbarLayout,
6660 cx: &mut App,
6661 ) -> Vec<PaintQuad> {
6662 const LIMIT: usize = 100;
6663 if !EditorSettings::get_global(cx).scrollbar.cursors || layout.cursors.len() > LIMIT {
6664 return vec![];
6665 }
6666 let cursor_ranges = layout
6667 .cursors
6668 .iter()
6669 .map(|(point, color)| ColoredRange {
6670 start: point.row(),
6671 end: point.row(),
6672 color: *color,
6673 })
6674 .collect_vec();
6675 scrollbar_layout.marker_quads_for_ranges(cursor_ranges, None)
6676 }
6677
6678 fn refresh_slow_scrollbar_markers(
6679 &self,
6680 layout: &EditorLayout,
6681 scrollbar_layout: &ScrollbarLayout,
6682 window: &mut Window,
6683 cx: &mut App,
6684 ) {
6685 self.editor.update(cx, |editor, cx| {
6686 if editor.buffer_kind(cx) != ItemBufferKind::Singleton
6687 || !editor
6688 .scrollbar_marker_state
6689 .should_refresh(scrollbar_layout.hitbox.size)
6690 {
6691 return;
6692 }
6693
6694 let scrollbar_layout = scrollbar_layout.clone();
6695 let background_highlights = editor.background_highlights.clone();
6696 let snapshot = layout.position_map.snapshot.clone();
6697 let theme = cx.theme().clone();
6698 let scrollbar_settings = EditorSettings::get_global(cx).scrollbar;
6699
6700 editor.scrollbar_marker_state.dirty = false;
6701 editor.scrollbar_marker_state.pending_refresh =
6702 Some(cx.spawn_in(window, async move |editor, cx| {
6703 let scrollbar_size = scrollbar_layout.hitbox.size;
6704 let scrollbar_markers = cx
6705 .background_spawn(async move {
6706 let max_point = snapshot.display_snapshot.buffer_snapshot().max_point();
6707 let mut marker_quads = Vec::new();
6708 if scrollbar_settings.git_diff {
6709 let marker_row_ranges =
6710 snapshot.buffer_snapshot().diff_hunks().map(|hunk| {
6711 let start_display_row =
6712 MultiBufferPoint::new(hunk.row_range.start.0, 0)
6713 .to_display_point(&snapshot.display_snapshot)
6714 .row();
6715 let mut end_display_row =
6716 MultiBufferPoint::new(hunk.row_range.end.0, 0)
6717 .to_display_point(&snapshot.display_snapshot)
6718 .row();
6719 if end_display_row != start_display_row {
6720 end_display_row.0 -= 1;
6721 }
6722 let color = match &hunk.status().kind {
6723 DiffHunkStatusKind::Added => {
6724 theme.colors().version_control_added
6725 }
6726 DiffHunkStatusKind::Modified => {
6727 theme.colors().version_control_modified
6728 }
6729 DiffHunkStatusKind::Deleted => {
6730 theme.colors().version_control_deleted
6731 }
6732 };
6733 ColoredRange {
6734 start: start_display_row,
6735 end: end_display_row,
6736 color,
6737 }
6738 });
6739
6740 marker_quads.extend(
6741 scrollbar_layout
6742 .marker_quads_for_ranges(marker_row_ranges, Some(0)),
6743 );
6744 }
6745
6746 for (background_highlight_id, (_, background_ranges)) in
6747 background_highlights.iter()
6748 {
6749 let is_search_highlights = *background_highlight_id
6750 == HighlightKey::Type(TypeId::of::<BufferSearchHighlights>());
6751 let is_text_highlights = *background_highlight_id
6752 == HighlightKey::Type(TypeId::of::<SelectedTextHighlight>());
6753 let is_symbol_occurrences = *background_highlight_id
6754 == HighlightKey::Type(TypeId::of::<DocumentHighlightRead>())
6755 || *background_highlight_id
6756 == HighlightKey::Type(
6757 TypeId::of::<DocumentHighlightWrite>(),
6758 );
6759 if (is_search_highlights && scrollbar_settings.search_results)
6760 || (is_text_highlights && scrollbar_settings.selected_text)
6761 || (is_symbol_occurrences && scrollbar_settings.selected_symbol)
6762 {
6763 let mut color = theme.status().info;
6764 if is_symbol_occurrences {
6765 color.fade_out(0.5);
6766 }
6767 let marker_row_ranges = background_ranges.iter().map(|range| {
6768 let display_start = range
6769 .start
6770 .to_display_point(&snapshot.display_snapshot);
6771 let display_end =
6772 range.end.to_display_point(&snapshot.display_snapshot);
6773 ColoredRange {
6774 start: display_start.row(),
6775 end: display_end.row(),
6776 color,
6777 }
6778 });
6779 marker_quads.extend(
6780 scrollbar_layout
6781 .marker_quads_for_ranges(marker_row_ranges, Some(1)),
6782 );
6783 }
6784 }
6785
6786 if scrollbar_settings.diagnostics != ScrollbarDiagnostics::None {
6787 let diagnostics = snapshot
6788 .buffer_snapshot()
6789 .diagnostics_in_range::<Point>(Point::zero()..max_point)
6790 // Don't show diagnostics the user doesn't care about
6791 .filter(|diagnostic| {
6792 match (
6793 scrollbar_settings.diagnostics,
6794 diagnostic.diagnostic.severity,
6795 ) {
6796 (ScrollbarDiagnostics::All, _) => true,
6797 (
6798 ScrollbarDiagnostics::Error,
6799 lsp::DiagnosticSeverity::ERROR,
6800 ) => true,
6801 (
6802 ScrollbarDiagnostics::Warning,
6803 lsp::DiagnosticSeverity::ERROR
6804 | lsp::DiagnosticSeverity::WARNING,
6805 ) => true,
6806 (
6807 ScrollbarDiagnostics::Information,
6808 lsp::DiagnosticSeverity::ERROR
6809 | lsp::DiagnosticSeverity::WARNING
6810 | lsp::DiagnosticSeverity::INFORMATION,
6811 ) => true,
6812 (_, _) => false,
6813 }
6814 })
6815 // We want to sort by severity, in order to paint the most severe diagnostics last.
6816 .sorted_by_key(|diagnostic| {
6817 std::cmp::Reverse(diagnostic.diagnostic.severity)
6818 });
6819
6820 let marker_row_ranges = diagnostics.into_iter().map(|diagnostic| {
6821 let start_display = diagnostic
6822 .range
6823 .start
6824 .to_display_point(&snapshot.display_snapshot);
6825 let end_display = diagnostic
6826 .range
6827 .end
6828 .to_display_point(&snapshot.display_snapshot);
6829 let color = match diagnostic.diagnostic.severity {
6830 lsp::DiagnosticSeverity::ERROR => theme.status().error,
6831 lsp::DiagnosticSeverity::WARNING => theme.status().warning,
6832 lsp::DiagnosticSeverity::INFORMATION => theme.status().info,
6833 _ => theme.status().hint,
6834 };
6835 ColoredRange {
6836 start: start_display.row(),
6837 end: end_display.row(),
6838 color,
6839 }
6840 });
6841 marker_quads.extend(
6842 scrollbar_layout
6843 .marker_quads_for_ranges(marker_row_ranges, Some(2)),
6844 );
6845 }
6846
6847 Arc::from(marker_quads)
6848 })
6849 .await;
6850
6851 editor.update(cx, |editor, cx| {
6852 editor.scrollbar_marker_state.markers = scrollbar_markers;
6853 editor.scrollbar_marker_state.scrollbar_size = scrollbar_size;
6854 editor.scrollbar_marker_state.pending_refresh = None;
6855 cx.notify();
6856 })?;
6857
6858 Ok(())
6859 }));
6860 });
6861 }
6862
6863 fn paint_highlighted_range(
6864 &self,
6865 range: Range<DisplayPoint>,
6866 fill: bool,
6867 color: Hsla,
6868 corner_radius: Pixels,
6869 line_end_overshoot: Pixels,
6870 layout: &EditorLayout,
6871 window: &mut Window,
6872 ) {
6873 let start_row = layout.visible_display_row_range.start;
6874 let end_row = layout.visible_display_row_range.end;
6875 if range.start != range.end {
6876 let row_range = if range.end.column() == 0 {
6877 cmp::max(range.start.row(), start_row)..cmp::min(range.end.row(), end_row)
6878 } else {
6879 cmp::max(range.start.row(), start_row)
6880 ..cmp::min(range.end.row().next_row(), end_row)
6881 };
6882
6883 let highlighted_range = HighlightedRange {
6884 color,
6885 line_height: layout.position_map.line_height,
6886 corner_radius,
6887 start_y: layout.content_origin.y
6888 + Pixels::from(
6889 (row_range.start.as_f64() - layout.position_map.scroll_position.y)
6890 * ScrollOffset::from(layout.position_map.line_height),
6891 ),
6892 lines: row_range
6893 .iter_rows()
6894 .map(|row| {
6895 let line_layout =
6896 &layout.position_map.line_layouts[row.minus(start_row) as usize];
6897 HighlightedRangeLine {
6898 start_x: if row == range.start.row() {
6899 layout.content_origin.x
6900 + Pixels::from(
6901 ScrollPixelOffset::from(
6902 line_layout.x_for_index(range.start.column() as usize),
6903 ) - layout.position_map.scroll_pixel_position.x,
6904 )
6905 } else {
6906 layout.content_origin.x
6907 - Pixels::from(layout.position_map.scroll_pixel_position.x)
6908 },
6909 end_x: if row == range.end.row() {
6910 layout.content_origin.x
6911 + Pixels::from(
6912 ScrollPixelOffset::from(
6913 line_layout.x_for_index(range.end.column() as usize),
6914 ) - layout.position_map.scroll_pixel_position.x,
6915 )
6916 } else {
6917 Pixels::from(
6918 ScrollPixelOffset::from(
6919 layout.content_origin.x
6920 + line_layout.width
6921 + line_end_overshoot,
6922 ) - layout.position_map.scroll_pixel_position.x,
6923 )
6924 },
6925 }
6926 })
6927 .collect(),
6928 };
6929
6930 highlighted_range.paint(fill, layout.position_map.text_hitbox.bounds, window);
6931 }
6932 }
6933
6934 fn paint_inline_diagnostics(
6935 &mut self,
6936 layout: &mut EditorLayout,
6937 window: &mut Window,
6938 cx: &mut App,
6939 ) {
6940 for mut inline_diagnostic in layout.inline_diagnostics.drain() {
6941 inline_diagnostic.1.paint(window, cx);
6942 }
6943 }
6944
6945 fn paint_inline_blame(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6946 if let Some(mut blame_layout) = layout.inline_blame_layout.take() {
6947 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6948 blame_layout.element.paint(window, cx);
6949 })
6950 }
6951 }
6952
6953 fn paint_inline_code_actions(
6954 &mut self,
6955 layout: &mut EditorLayout,
6956 window: &mut Window,
6957 cx: &mut App,
6958 ) {
6959 if let Some(mut inline_code_actions) = layout.inline_code_actions.take() {
6960 window.paint_layer(layout.position_map.text_hitbox.bounds, |window| {
6961 inline_code_actions.paint(window, cx);
6962 })
6963 }
6964 }
6965
6966 fn paint_diff_hunk_controls(
6967 &mut self,
6968 layout: &mut EditorLayout,
6969 window: &mut Window,
6970 cx: &mut App,
6971 ) {
6972 for mut diff_hunk_control in layout.diff_hunk_controls.drain(..) {
6973 diff_hunk_control.paint(window, cx);
6974 }
6975 }
6976
6977 fn paint_minimap(&self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
6978 if let Some(mut layout) = layout.minimap.take() {
6979 let minimap_hitbox = layout.thumb_layout.hitbox.clone();
6980 let dragging_minimap = self.editor.read(cx).scroll_manager.is_dragging_minimap();
6981
6982 window.paint_layer(layout.thumb_layout.hitbox.bounds, |window| {
6983 window.with_element_namespace("minimap", |window| {
6984 layout.minimap.paint(window, cx);
6985 if let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds {
6986 let minimap_thumb_color = match layout.thumb_layout.thumb_state {
6987 ScrollbarThumbState::Idle => {
6988 cx.theme().colors().minimap_thumb_background
6989 }
6990 ScrollbarThumbState::Hovered => {
6991 cx.theme().colors().minimap_thumb_hover_background
6992 }
6993 ScrollbarThumbState::Dragging => {
6994 cx.theme().colors().minimap_thumb_active_background
6995 }
6996 };
6997 let minimap_thumb_border = match layout.thumb_border_style {
6998 MinimapThumbBorder::Full => Edges::all(ScrollbarLayout::BORDER_WIDTH),
6999 MinimapThumbBorder::LeftOnly => Edges {
7000 left: ScrollbarLayout::BORDER_WIDTH,
7001 ..Default::default()
7002 },
7003 MinimapThumbBorder::LeftOpen => Edges {
7004 right: ScrollbarLayout::BORDER_WIDTH,
7005 top: ScrollbarLayout::BORDER_WIDTH,
7006 bottom: ScrollbarLayout::BORDER_WIDTH,
7007 ..Default::default()
7008 },
7009 MinimapThumbBorder::RightOpen => Edges {
7010 left: ScrollbarLayout::BORDER_WIDTH,
7011 top: ScrollbarLayout::BORDER_WIDTH,
7012 bottom: ScrollbarLayout::BORDER_WIDTH,
7013 ..Default::default()
7014 },
7015 MinimapThumbBorder::None => Default::default(),
7016 };
7017
7018 window.paint_layer(minimap_hitbox.bounds, |window| {
7019 window.paint_quad(quad(
7020 thumb_bounds,
7021 Corners::default(),
7022 minimap_thumb_color,
7023 minimap_thumb_border,
7024 cx.theme().colors().minimap_thumb_border,
7025 BorderStyle::Solid,
7026 ));
7027 });
7028 }
7029 });
7030 });
7031
7032 if dragging_minimap {
7033 window.set_window_cursor_style(CursorStyle::Arrow);
7034 } else {
7035 window.set_cursor_style(CursorStyle::Arrow, &minimap_hitbox);
7036 }
7037
7038 let minimap_axis = ScrollbarAxis::Vertical;
7039 let pixels_per_line = Pixels::from(
7040 ScrollPixelOffset::from(minimap_hitbox.size.height) / layout.max_scroll_top,
7041 )
7042 .min(layout.minimap_line_height);
7043
7044 let mut mouse_position = window.mouse_position();
7045
7046 window.on_mouse_event({
7047 let editor = self.editor.clone();
7048
7049 let minimap_hitbox = minimap_hitbox.clone();
7050
7051 move |event: &MouseMoveEvent, phase, window, cx| {
7052 if phase == DispatchPhase::Capture {
7053 return;
7054 }
7055
7056 editor.update(cx, |editor, cx| {
7057 if event.pressed_button == Some(MouseButton::Left)
7058 && editor.scroll_manager.is_dragging_minimap()
7059 {
7060 let old_position = mouse_position.along(minimap_axis);
7061 let new_position = event.position.along(minimap_axis);
7062 if (minimap_hitbox.origin.along(minimap_axis)
7063 ..minimap_hitbox.bottom_right().along(minimap_axis))
7064 .contains(&old_position)
7065 {
7066 let position =
7067 editor.scroll_position(cx).apply_along(minimap_axis, |p| {
7068 (p + ScrollPixelOffset::from(
7069 (new_position - old_position) / pixels_per_line,
7070 ))
7071 .max(0.)
7072 });
7073
7074 editor.set_scroll_position(position, window, cx);
7075 }
7076 cx.stop_propagation();
7077 } else if minimap_hitbox.is_hovered(window) {
7078 editor.scroll_manager.set_is_hovering_minimap_thumb(
7079 !event.dragging()
7080 && layout
7081 .thumb_layout
7082 .thumb_bounds
7083 .is_some_and(|bounds| bounds.contains(&event.position)),
7084 cx,
7085 );
7086
7087 // Stop hover events from propagating to the
7088 // underlying editor if the minimap hitbox is hovered
7089 if !event.dragging() {
7090 cx.stop_propagation();
7091 }
7092 } else {
7093 editor.scroll_manager.hide_minimap_thumb(cx);
7094 }
7095 mouse_position = event.position;
7096 });
7097 }
7098 });
7099
7100 if dragging_minimap {
7101 window.on_mouse_event({
7102 let editor = self.editor.clone();
7103 move |event: &MouseUpEvent, phase, window, cx| {
7104 if phase == DispatchPhase::Capture {
7105 return;
7106 }
7107
7108 editor.update(cx, |editor, cx| {
7109 if minimap_hitbox.is_hovered(window) {
7110 editor.scroll_manager.set_is_hovering_minimap_thumb(
7111 layout
7112 .thumb_layout
7113 .thumb_bounds
7114 .is_some_and(|bounds| bounds.contains(&event.position)),
7115 cx,
7116 );
7117 } else {
7118 editor.scroll_manager.hide_minimap_thumb(cx);
7119 }
7120 cx.stop_propagation();
7121 });
7122 }
7123 });
7124 } else {
7125 window.on_mouse_event({
7126 let editor = self.editor.clone();
7127
7128 move |event: &MouseDownEvent, phase, window, cx| {
7129 if phase == DispatchPhase::Capture || !minimap_hitbox.is_hovered(window) {
7130 return;
7131 }
7132
7133 let event_position = event.position;
7134
7135 let Some(thumb_bounds) = layout.thumb_layout.thumb_bounds else {
7136 return;
7137 };
7138
7139 editor.update(cx, |editor, cx| {
7140 if !thumb_bounds.contains(&event_position) {
7141 let click_position =
7142 event_position.relative_to(&minimap_hitbox.origin).y;
7143
7144 let top_position = (click_position
7145 - thumb_bounds.size.along(minimap_axis) / 2.0)
7146 .max(Pixels::ZERO);
7147
7148 let scroll_offset = (layout.minimap_scroll_top
7149 + ScrollPixelOffset::from(
7150 top_position / layout.minimap_line_height,
7151 ))
7152 .min(layout.max_scroll_top);
7153
7154 let scroll_position = editor
7155 .scroll_position(cx)
7156 .apply_along(minimap_axis, |_| scroll_offset);
7157 editor.set_scroll_position(scroll_position, window, cx);
7158 }
7159
7160 editor.scroll_manager.set_is_dragging_minimap(cx);
7161 cx.stop_propagation();
7162 });
7163 }
7164 });
7165 }
7166 }
7167 }
7168
7169 fn paint_blocks(&mut self, layout: &mut EditorLayout, window: &mut Window, cx: &mut App) {
7170 for mut block in layout.blocks.drain(..) {
7171 if block.overlaps_gutter {
7172 block.element.paint(window, cx);
7173 } else {
7174 let mut bounds = layout.hitbox.bounds;
7175 bounds.origin.x += layout.gutter_hitbox.bounds.size.width;
7176 window.with_content_mask(Some(ContentMask { bounds }), |window| {
7177 block.element.paint(window, cx);
7178 })
7179 }
7180 }
7181 }
7182
7183 fn paint_edit_prediction_popover(
7184 &mut self,
7185 layout: &mut EditorLayout,
7186 window: &mut Window,
7187 cx: &mut App,
7188 ) {
7189 if let Some(edit_prediction_popover) = layout.edit_prediction_popover.as_mut() {
7190 edit_prediction_popover.paint(window, cx);
7191 }
7192 }
7193
7194 fn paint_mouse_context_menu(
7195 &mut self,
7196 layout: &mut EditorLayout,
7197 window: &mut Window,
7198 cx: &mut App,
7199 ) {
7200 if let Some(mouse_context_menu) = layout.mouse_context_menu.as_mut() {
7201 mouse_context_menu.paint(window, cx);
7202 }
7203 }
7204
7205 fn paint_scroll_wheel_listener(
7206 &mut self,
7207 layout: &EditorLayout,
7208 window: &mut Window,
7209 cx: &mut App,
7210 ) {
7211 window.on_mouse_event({
7212 let position_map = layout.position_map.clone();
7213 let editor = self.editor.clone();
7214 let hitbox = layout.hitbox.clone();
7215 let mut delta = ScrollDelta::default();
7216
7217 // Set a minimum scroll_sensitivity of 0.01 to make sure the user doesn't
7218 // accidentally turn off their scrolling.
7219 let base_scroll_sensitivity =
7220 EditorSettings::get_global(cx).scroll_sensitivity.max(0.01);
7221
7222 // Use a minimum fast_scroll_sensitivity for same reason above
7223 let fast_scroll_sensitivity = EditorSettings::get_global(cx)
7224 .fast_scroll_sensitivity
7225 .max(0.01);
7226
7227 move |event: &ScrollWheelEvent, phase, window, cx| {
7228 let scroll_sensitivity = {
7229 if event.modifiers.alt {
7230 fast_scroll_sensitivity
7231 } else {
7232 base_scroll_sensitivity
7233 }
7234 };
7235
7236 if phase == DispatchPhase::Bubble && hitbox.should_handle_scroll(window) {
7237 delta = delta.coalesce(event.delta);
7238 editor.update(cx, |editor, cx| {
7239 let position_map: &PositionMap = &position_map;
7240
7241 let line_height = position_map.line_height;
7242 let max_glyph_advance = position_map.em_advance;
7243 let (delta, axis) = match delta {
7244 gpui::ScrollDelta::Pixels(mut pixels) => {
7245 //Trackpad
7246 let axis = position_map.snapshot.ongoing_scroll.filter(&mut pixels);
7247 (pixels, axis)
7248 }
7249
7250 gpui::ScrollDelta::Lines(lines) => {
7251 //Not trackpad
7252 let pixels =
7253 point(lines.x * max_glyph_advance, lines.y * line_height);
7254 (pixels, None)
7255 }
7256 };
7257
7258 let current_scroll_position = position_map.snapshot.scroll_position();
7259 let x = (current_scroll_position.x
7260 * ScrollPixelOffset::from(max_glyph_advance)
7261 - ScrollPixelOffset::from(delta.x * scroll_sensitivity))
7262 / ScrollPixelOffset::from(max_glyph_advance);
7263
7264 let scale_factor = window.scale_factor();
7265 let y = (current_scroll_position.y
7266 * ScrollPixelOffset::from(line_height)
7267 * ScrollPixelOffset::from(scale_factor)
7268 - ScrollPixelOffset::from(delta.y * scroll_sensitivity))
7269 .round()
7270 / ScrollPixelOffset::from(line_height)
7271 / ScrollPixelOffset::from(scale_factor);
7272
7273 let mut scroll_position =
7274 point(x, y).clamp(&point(0., 0.), &position_map.scroll_max);
7275 let forbid_vertical_scroll = editor.scroll_manager.forbid_vertical_scroll();
7276 if forbid_vertical_scroll {
7277 scroll_position.y = current_scroll_position.y;
7278 }
7279
7280 if scroll_position != current_scroll_position {
7281 editor.scroll(scroll_position, axis, window, cx);
7282 cx.stop_propagation();
7283 } else if y < 0. {
7284 // Due to clamping, we may fail to detect cases of overscroll to the top;
7285 // We want the scroll manager to get an update in such cases and detect the change of direction
7286 // on the next frame.
7287 cx.notify();
7288 }
7289 });
7290 }
7291 }
7292 });
7293 }
7294
7295 fn paint_mouse_listeners(&mut self, layout: &EditorLayout, window: &mut Window, cx: &mut App) {
7296 if layout.mode.is_minimap() {
7297 return;
7298 }
7299
7300 self.paint_scroll_wheel_listener(layout, window, cx);
7301
7302 window.on_mouse_event({
7303 let position_map = layout.position_map.clone();
7304 let editor = self.editor.clone();
7305 let line_numbers = layout.line_numbers.clone();
7306
7307 move |event: &MouseDownEvent, phase, window, cx| {
7308 if phase == DispatchPhase::Bubble {
7309 match event.button {
7310 MouseButton::Left => editor.update(cx, |editor, cx| {
7311 let pending_mouse_down = editor
7312 .pending_mouse_down
7313 .get_or_insert_with(Default::default)
7314 .clone();
7315
7316 *pending_mouse_down.borrow_mut() = Some(event.clone());
7317
7318 Self::mouse_left_down(
7319 editor,
7320 event,
7321 &position_map,
7322 line_numbers.as_ref(),
7323 window,
7324 cx,
7325 );
7326 }),
7327 MouseButton::Right => editor.update(cx, |editor, cx| {
7328 Self::mouse_right_down(editor, event, &position_map, window, cx);
7329 }),
7330 MouseButton::Middle => editor.update(cx, |editor, cx| {
7331 Self::mouse_middle_down(editor, event, &position_map, window, cx);
7332 }),
7333 _ => {}
7334 };
7335 }
7336 }
7337 });
7338
7339 window.on_mouse_event({
7340 let editor = self.editor.clone();
7341 let position_map = layout.position_map.clone();
7342
7343 move |event: &MouseUpEvent, phase, window, cx| {
7344 if phase == DispatchPhase::Bubble {
7345 editor.update(cx, |editor, cx| {
7346 Self::mouse_up(editor, event, &position_map, window, cx)
7347 });
7348 }
7349 }
7350 });
7351
7352 window.on_mouse_event({
7353 let editor = self.editor.clone();
7354 let position_map = layout.position_map.clone();
7355 let mut captured_mouse_down = None;
7356
7357 move |event: &MouseUpEvent, phase, window, cx| match phase {
7358 // Clear the pending mouse down during the capture phase,
7359 // so that it happens even if another event handler stops
7360 // propagation.
7361 DispatchPhase::Capture => editor.update(cx, |editor, _cx| {
7362 let pending_mouse_down = editor
7363 .pending_mouse_down
7364 .get_or_insert_with(Default::default)
7365 .clone();
7366
7367 let mut pending_mouse_down = pending_mouse_down.borrow_mut();
7368 if pending_mouse_down.is_some() && position_map.text_hitbox.is_hovered(window) {
7369 captured_mouse_down = pending_mouse_down.take();
7370 window.refresh();
7371 }
7372 }),
7373 // Fire click handlers during the bubble phase.
7374 DispatchPhase::Bubble => editor.update(cx, |editor, cx| {
7375 if let Some(mouse_down) = captured_mouse_down.take() {
7376 let event = ClickEvent::Mouse(MouseClickEvent {
7377 down: mouse_down,
7378 up: event.clone(),
7379 });
7380 Self::click(editor, &event, &position_map, window, cx);
7381 }
7382 }),
7383 }
7384 });
7385
7386 window.on_mouse_event({
7387 let position_map = layout.position_map.clone();
7388 let editor = self.editor.clone();
7389
7390 move |event: &MouseMoveEvent, phase, window, cx| {
7391 if phase == DispatchPhase::Bubble {
7392 editor.update(cx, |editor, cx| {
7393 if editor.hover_state.focused(window, cx) {
7394 return;
7395 }
7396 if event.pressed_button == Some(MouseButton::Left)
7397 || event.pressed_button == Some(MouseButton::Middle)
7398 {
7399 Self::mouse_dragged(editor, event, &position_map, window, cx)
7400 }
7401
7402 Self::mouse_moved(editor, event, &position_map, window, cx)
7403 });
7404 }
7405 }
7406 });
7407 }
7408
7409 fn column_pixels(&self, column: usize, window: &Window) -> Pixels {
7410 let style = &self.style;
7411 let font_size = style.text.font_size.to_pixels(window.rem_size());
7412 let layout = window.text_system().shape_line(
7413 SharedString::from(" ".repeat(column)),
7414 font_size,
7415 &[TextRun {
7416 len: column,
7417 font: style.text.font(),
7418 color: Hsla::default(),
7419 background_color: None,
7420 underline: None,
7421 strikethrough: None,
7422 }],
7423 None,
7424 );
7425
7426 layout.width
7427 }
7428
7429 fn max_line_number_width(&self, snapshot: &EditorSnapshot, window: &mut Window) -> Pixels {
7430 let digit_count = snapshot.widest_line_number().ilog10() + 1;
7431 self.column_pixels(digit_count as usize, window)
7432 }
7433
7434 fn shape_line_number(
7435 &self,
7436 text: SharedString,
7437 color: Hsla,
7438 window: &mut Window,
7439 ) -> ShapedLine {
7440 let run = TextRun {
7441 len: text.len(),
7442 font: self.style.text.font(),
7443 color,
7444 background_color: None,
7445 underline: None,
7446 strikethrough: None,
7447 };
7448 window.text_system().shape_line(
7449 text,
7450 self.style.text.font_size.to_pixels(window.rem_size()),
7451 &[run],
7452 None,
7453 )
7454 }
7455
7456 fn diff_hunk_hollow(status: DiffHunkStatus, cx: &mut App) -> bool {
7457 let unstaged = status.has_secondary_hunk();
7458 let unstaged_hollow = matches!(
7459 ProjectSettings::get_global(cx).git.hunk_style,
7460 GitHunkStyleSetting::UnstagedHollow
7461 );
7462
7463 unstaged == unstaged_hollow
7464 }
7465
7466 #[cfg(debug_assertions)]
7467 fn layout_debug_ranges(
7468 selections: &mut Vec<(PlayerColor, Vec<SelectionLayout>)>,
7469 anchor_range: Range<Anchor>,
7470 display_snapshot: &DisplaySnapshot,
7471 cx: &App,
7472 ) {
7473 let theme = cx.theme();
7474 text::debug::GlobalDebugRanges::with_locked(|debug_ranges| {
7475 if debug_ranges.ranges.is_empty() {
7476 return;
7477 }
7478 let buffer_snapshot = &display_snapshot.buffer_snapshot();
7479 for (buffer, buffer_range, excerpt_id) in
7480 buffer_snapshot.range_to_buffer_ranges(anchor_range)
7481 {
7482 let buffer_range =
7483 buffer.anchor_after(buffer_range.start)..buffer.anchor_before(buffer_range.end);
7484 selections.extend(debug_ranges.ranges.iter().flat_map(|debug_range| {
7485 let player_color = theme
7486 .players()
7487 .color_for_participant(debug_range.occurrence_index as u32 + 1);
7488 debug_range.ranges.iter().filter_map(move |range| {
7489 if range.start.buffer_id != Some(buffer.remote_id()) {
7490 return None;
7491 }
7492 let clipped_start = range.start.max(&buffer_range.start, buffer);
7493 let clipped_end = range.end.min(&buffer_range.end, buffer);
7494 let range = buffer_snapshot
7495 .anchor_range_in_excerpt(excerpt_id, *clipped_start..*clipped_end)?;
7496 let start = range.start.to_display_point(display_snapshot);
7497 let end = range.end.to_display_point(display_snapshot);
7498 let selection_layout = SelectionLayout {
7499 head: start,
7500 range: start..end,
7501 cursor_shape: CursorShape::Bar,
7502 is_newest: false,
7503 is_local: false,
7504 active_rows: start.row()..end.row(),
7505 user_name: Some(SharedString::new(debug_range.value.clone())),
7506 };
7507 Some((player_color, vec![selection_layout]))
7508 })
7509 }));
7510 }
7511 });
7512 }
7513}
7514
7515fn header_jump_data(
7516 snapshot: &EditorSnapshot,
7517 block_row_start: DisplayRow,
7518 height: u32,
7519 for_excerpt: &ExcerptInfo,
7520) -> JumpData {
7521 let range = &for_excerpt.range;
7522 let buffer = &for_excerpt.buffer;
7523 let jump_anchor = range.primary.start;
7524
7525 let excerpt_start = range.context.start;
7526 let jump_position = language::ToPoint::to_point(&jump_anchor, buffer);
7527 let rows_from_excerpt_start = if jump_anchor == excerpt_start {
7528 0
7529 } else {
7530 let excerpt_start_point = language::ToPoint::to_point(&excerpt_start, buffer);
7531 jump_position.row.saturating_sub(excerpt_start_point.row)
7532 };
7533
7534 let line_offset_from_top = (block_row_start.0 + height + rows_from_excerpt_start)
7535 .saturating_sub(
7536 snapshot
7537 .scroll_anchor
7538 .scroll_position(&snapshot.display_snapshot)
7539 .y as u32,
7540 );
7541
7542 JumpData::MultiBufferPoint {
7543 excerpt_id: for_excerpt.id,
7544 anchor: jump_anchor,
7545 position: jump_position,
7546 line_offset_from_top,
7547 }
7548}
7549
7550pub struct AcceptEditPredictionBinding(pub(crate) Option<gpui::KeyBinding>);
7551
7552impl AcceptEditPredictionBinding {
7553 pub fn keystroke(&self) -> Option<&KeybindingKeystroke> {
7554 if let Some(binding) = self.0.as_ref() {
7555 match &binding.keystrokes() {
7556 [keystroke, ..] => Some(keystroke),
7557 _ => None,
7558 }
7559 } else {
7560 None
7561 }
7562 }
7563}
7564
7565fn prepaint_gutter_button(
7566 button: IconButton,
7567 row: DisplayRow,
7568 line_height: Pixels,
7569 gutter_dimensions: &GutterDimensions,
7570 scroll_position: gpui::Point<ScrollOffset>,
7571 gutter_hitbox: &Hitbox,
7572 display_hunks: &[(DisplayDiffHunk, Option<Hitbox>)],
7573 window: &mut Window,
7574 cx: &mut App,
7575) -> AnyElement {
7576 let mut button = button.into_any_element();
7577
7578 let available_space = size(
7579 AvailableSpace::MinContent,
7580 AvailableSpace::Definite(line_height),
7581 );
7582 let indicator_size = button.layout_as_root(available_space, window, cx);
7583
7584 let blame_width = gutter_dimensions.git_blame_entries_width;
7585 let gutter_width = display_hunks
7586 .binary_search_by(|(hunk, _)| match hunk {
7587 DisplayDiffHunk::Folded { display_row } => display_row.cmp(&row),
7588 DisplayDiffHunk::Unfolded {
7589 display_row_range, ..
7590 } => {
7591 if display_row_range.end <= row {
7592 Ordering::Less
7593 } else if display_row_range.start > row {
7594 Ordering::Greater
7595 } else {
7596 Ordering::Equal
7597 }
7598 }
7599 })
7600 .ok()
7601 .and_then(|ix| Some(display_hunks[ix].1.as_ref()?.size.width));
7602 let left_offset = blame_width.max(gutter_width).unwrap_or_default();
7603
7604 let mut x = left_offset;
7605 let available_width = gutter_dimensions.margin + gutter_dimensions.left_padding
7606 - indicator_size.width
7607 - left_offset;
7608 x += available_width / 2.;
7609
7610 let mut y =
7611 Pixels::from((row.as_f64() - scroll_position.y) * ScrollPixelOffset::from(line_height));
7612 y += (line_height - indicator_size.height) / 2.;
7613
7614 button.prepaint_as_root(
7615 gutter_hitbox.origin + point(x, y),
7616 available_space,
7617 window,
7618 cx,
7619 );
7620 button
7621}
7622
7623fn render_inline_blame_entry(
7624 blame_entry: BlameEntry,
7625 style: &EditorStyle,
7626 cx: &mut App,
7627) -> Option<AnyElement> {
7628 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7629 renderer.render_inline_blame_entry(&style.text, blame_entry, cx)
7630}
7631
7632fn render_blame_entry_popover(
7633 blame_entry: BlameEntry,
7634 scroll_handle: ScrollHandle,
7635 commit_message: Option<ParsedCommitMessage>,
7636 markdown: Entity<Markdown>,
7637 workspace: WeakEntity<Workspace>,
7638 blame: &Entity<GitBlame>,
7639 buffer: BufferId,
7640 window: &mut Window,
7641 cx: &mut App,
7642) -> Option<AnyElement> {
7643 let renderer = cx.global::<GlobalBlameRenderer>().0.clone();
7644 let blame = blame.read(cx);
7645 let repository = blame.repository(cx, buffer)?;
7646 renderer.render_blame_entry_popover(
7647 blame_entry,
7648 scroll_handle,
7649 commit_message,
7650 markdown,
7651 repository,
7652 workspace,
7653 window,
7654 cx,
7655 )
7656}
7657
7658fn render_blame_entry(
7659 ix: usize,
7660 blame: &Entity<GitBlame>,
7661 blame_entry: BlameEntry,
7662 style: &EditorStyle,
7663 last_used_color: &mut Option<(Hsla, Oid)>,
7664 editor: Entity<Editor>,
7665 workspace: Entity<Workspace>,
7666 buffer: BufferId,
7667 renderer: &dyn BlameRenderer,
7668 window: &mut Window,
7669 cx: &mut App,
7670) -> Option<AnyElement> {
7671 let index: u32 = blame_entry.sha.into();
7672 let mut sha_color = cx.theme().players().color_for_participant(index).cursor;
7673
7674 // If the last color we used is the same as the one we get for this line, but
7675 // the commit SHAs are different, then we try again to get a different color.
7676 if let Some((color, sha)) = *last_used_color
7677 && sha != blame_entry.sha
7678 && color == sha_color
7679 {
7680 sha_color = cx.theme().players().color_for_participant(index + 1).cursor;
7681 }
7682 last_used_color.replace((sha_color, blame_entry.sha));
7683
7684 let blame = blame.read(cx);
7685 let details = blame.details_for_entry(buffer, &blame_entry);
7686 let repository = blame.repository(cx, buffer)?;
7687 renderer.render_blame_entry(
7688 &style.text,
7689 blame_entry,
7690 details,
7691 repository,
7692 workspace.downgrade(),
7693 editor,
7694 ix,
7695 sha_color,
7696 window,
7697 cx,
7698 )
7699}
7700
7701#[derive(Debug)]
7702pub(crate) struct LineWithInvisibles {
7703 fragments: SmallVec<[LineFragment; 1]>,
7704 invisibles: Vec<Invisible>,
7705 len: usize,
7706 pub(crate) width: Pixels,
7707 font_size: Pixels,
7708}
7709
7710enum LineFragment {
7711 Text(ShapedLine),
7712 Element {
7713 id: ChunkRendererId,
7714 element: Option<AnyElement>,
7715 size: Size<Pixels>,
7716 len: usize,
7717 },
7718}
7719
7720impl fmt::Debug for LineFragment {
7721 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
7722 match self {
7723 LineFragment::Text(shaped_line) => f.debug_tuple("Text").field(shaped_line).finish(),
7724 LineFragment::Element { size, len, .. } => f
7725 .debug_struct("Element")
7726 .field("size", size)
7727 .field("len", len)
7728 .finish(),
7729 }
7730 }
7731}
7732
7733impl LineWithInvisibles {
7734 fn from_chunks<'a>(
7735 chunks: impl Iterator<Item = HighlightedChunk<'a>>,
7736 editor_style: &EditorStyle,
7737 max_line_len: usize,
7738 max_line_count: usize,
7739 editor_mode: &EditorMode,
7740 text_width: Pixels,
7741 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
7742 bg_segments_per_row: &[Vec<(Range<DisplayPoint>, Hsla)>],
7743 window: &mut Window,
7744 cx: &mut App,
7745 ) -> Vec<Self> {
7746 let text_style = &editor_style.text;
7747 let mut layouts = Vec::with_capacity(max_line_count);
7748 let mut fragments: SmallVec<[LineFragment; 1]> = SmallVec::new();
7749 let mut line = String::new();
7750 let mut invisibles = Vec::new();
7751 let mut width = Pixels::ZERO;
7752 let mut len = 0;
7753 let mut styles = Vec::new();
7754 let mut non_whitespace_added = false;
7755 let mut row = 0;
7756 let mut line_exceeded_max_len = false;
7757 let font_size = text_style.font_size.to_pixels(window.rem_size());
7758 let min_contrast = EditorSettings::get_global(cx).minimum_contrast_for_highlights;
7759
7760 let ellipsis = SharedString::from("β―");
7761
7762 for highlighted_chunk in chunks.chain([HighlightedChunk {
7763 text: "\n",
7764 style: None,
7765 is_tab: false,
7766 is_inlay: false,
7767 replacement: None,
7768 }]) {
7769 if let Some(replacement) = highlighted_chunk.replacement {
7770 if !line.is_empty() {
7771 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7772 let text_runs: &[TextRun] = if segments.is_empty() {
7773 &styles
7774 } else {
7775 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
7776 };
7777 let shaped_line = window.text_system().shape_line(
7778 line.clone().into(),
7779 font_size,
7780 text_runs,
7781 None,
7782 );
7783 width += shaped_line.width;
7784 len += shaped_line.len;
7785 fragments.push(LineFragment::Text(shaped_line));
7786 line.clear();
7787 styles.clear();
7788 }
7789
7790 match replacement {
7791 ChunkReplacement::Renderer(renderer) => {
7792 let available_width = if renderer.constrain_width {
7793 let chunk = if highlighted_chunk.text == ellipsis.as_ref() {
7794 ellipsis.clone()
7795 } else {
7796 SharedString::from(Arc::from(highlighted_chunk.text))
7797 };
7798 let shaped_line = window.text_system().shape_line(
7799 chunk,
7800 font_size,
7801 &[text_style.to_run(highlighted_chunk.text.len())],
7802 None,
7803 );
7804 AvailableSpace::Definite(shaped_line.width)
7805 } else {
7806 AvailableSpace::MinContent
7807 };
7808
7809 let mut element = (renderer.render)(&mut ChunkRendererContext {
7810 context: cx,
7811 window,
7812 max_width: text_width,
7813 });
7814 let line_height = text_style.line_height_in_pixels(window.rem_size());
7815 let size = element.layout_as_root(
7816 size(available_width, AvailableSpace::Definite(line_height)),
7817 window,
7818 cx,
7819 );
7820
7821 width += size.width;
7822 len += highlighted_chunk.text.len();
7823 fragments.push(LineFragment::Element {
7824 id: renderer.id,
7825 element: Some(element),
7826 size,
7827 len: highlighted_chunk.text.len(),
7828 });
7829 }
7830 ChunkReplacement::Str(x) => {
7831 let text_style = if let Some(style) = highlighted_chunk.style {
7832 Cow::Owned(text_style.clone().highlight(style))
7833 } else {
7834 Cow::Borrowed(text_style)
7835 };
7836
7837 let run = TextRun {
7838 len: x.len(),
7839 font: text_style.font(),
7840 color: text_style.color,
7841 background_color: text_style.background_color,
7842 underline: text_style.underline,
7843 strikethrough: text_style.strikethrough,
7844 };
7845 let line_layout = window
7846 .text_system()
7847 .shape_line(x, font_size, &[run], None)
7848 .with_len(highlighted_chunk.text.len());
7849
7850 width += line_layout.width;
7851 len += highlighted_chunk.text.len();
7852 fragments.push(LineFragment::Text(line_layout))
7853 }
7854 }
7855 } else {
7856 for (ix, mut line_chunk) in highlighted_chunk.text.split('\n').enumerate() {
7857 if ix > 0 {
7858 let segments = bg_segments_per_row.get(row).map(|v| &v[..]).unwrap_or(&[]);
7859 let text_runs = if segments.is_empty() {
7860 &styles
7861 } else {
7862 &Self::split_runs_by_bg_segments(&styles, segments, min_contrast, len)
7863 };
7864 let shaped_line = window.text_system().shape_line(
7865 line.clone().into(),
7866 font_size,
7867 text_runs,
7868 None,
7869 );
7870 width += shaped_line.width;
7871 len += shaped_line.len;
7872 fragments.push(LineFragment::Text(shaped_line));
7873 layouts.push(Self {
7874 width: mem::take(&mut width),
7875 len: mem::take(&mut len),
7876 fragments: mem::take(&mut fragments),
7877 invisibles: std::mem::take(&mut invisibles),
7878 font_size,
7879 });
7880
7881 line.clear();
7882 styles.clear();
7883 row += 1;
7884 line_exceeded_max_len = false;
7885 non_whitespace_added = false;
7886 if row == max_line_count {
7887 return layouts;
7888 }
7889 }
7890
7891 if !line_chunk.is_empty() && !line_exceeded_max_len {
7892 let text_style = if let Some(style) = highlighted_chunk.style {
7893 Cow::Owned(text_style.clone().highlight(style))
7894 } else {
7895 Cow::Borrowed(text_style)
7896 };
7897
7898 if line.len() + line_chunk.len() > max_line_len {
7899 let mut chunk_len = max_line_len - line.len();
7900 while !line_chunk.is_char_boundary(chunk_len) {
7901 chunk_len -= 1;
7902 }
7903 line_chunk = &line_chunk[..chunk_len];
7904 line_exceeded_max_len = true;
7905 }
7906
7907 styles.push(TextRun {
7908 len: line_chunk.len(),
7909 font: text_style.font(),
7910 color: text_style.color,
7911 background_color: text_style.background_color,
7912 underline: text_style.underline,
7913 strikethrough: text_style.strikethrough,
7914 });
7915
7916 if editor_mode.is_full() && !highlighted_chunk.is_inlay {
7917 // Line wrap pads its contents with fake whitespaces,
7918 // avoid printing them
7919 let is_soft_wrapped = is_row_soft_wrapped(row);
7920 if highlighted_chunk.is_tab {
7921 if non_whitespace_added || !is_soft_wrapped {
7922 invisibles.push(Invisible::Tab {
7923 line_start_offset: line.len(),
7924 line_end_offset: line.len() + line_chunk.len(),
7925 });
7926 }
7927 } else {
7928 invisibles.extend(line_chunk.char_indices().filter_map(
7929 |(index, c)| {
7930 let is_whitespace = c.is_whitespace();
7931 non_whitespace_added |= !is_whitespace;
7932 if is_whitespace
7933 && (non_whitespace_added || !is_soft_wrapped)
7934 {
7935 Some(Invisible::Whitespace {
7936 line_offset: line.len() + index,
7937 })
7938 } else {
7939 None
7940 }
7941 },
7942 ))
7943 }
7944 }
7945
7946 line.push_str(line_chunk);
7947 }
7948 }
7949 }
7950 }
7951
7952 layouts
7953 }
7954
7955 /// Takes text runs and non-overlapping left-to-right background ranges with color.
7956 /// Returns new text runs with adjusted contrast as per background ranges.
7957 fn split_runs_by_bg_segments(
7958 text_runs: &[TextRun],
7959 bg_segments: &[(Range<DisplayPoint>, Hsla)],
7960 min_contrast: f32,
7961 start_col_offset: usize,
7962 ) -> Vec<TextRun> {
7963 let mut output_runs: Vec<TextRun> = Vec::with_capacity(text_runs.len());
7964 let mut line_col = start_col_offset;
7965 let mut segment_ix = 0usize;
7966
7967 for text_run in text_runs.iter() {
7968 let run_start_col = line_col;
7969 let run_end_col = run_start_col + text_run.len;
7970 while segment_ix < bg_segments.len()
7971 && (bg_segments[segment_ix].0.end.column() as usize) <= run_start_col
7972 {
7973 segment_ix += 1;
7974 }
7975 let mut cursor_col = run_start_col;
7976 let mut local_segment_ix = segment_ix;
7977 while local_segment_ix < bg_segments.len() {
7978 let (range, segment_color) = &bg_segments[local_segment_ix];
7979 let segment_start_col = range.start.column() as usize;
7980 let segment_end_col = range.end.column() as usize;
7981 if segment_start_col >= run_end_col {
7982 break;
7983 }
7984 if segment_start_col > cursor_col {
7985 let span_len = segment_start_col - cursor_col;
7986 output_runs.push(TextRun {
7987 len: span_len,
7988 font: text_run.font.clone(),
7989 color: text_run.color,
7990 background_color: text_run.background_color,
7991 underline: text_run.underline,
7992 strikethrough: text_run.strikethrough,
7993 });
7994 cursor_col = segment_start_col;
7995 }
7996 let segment_slice_end_col = segment_end_col.min(run_end_col);
7997 if segment_slice_end_col > cursor_col {
7998 let new_text_color =
7999 ensure_minimum_contrast(text_run.color, *segment_color, min_contrast);
8000 output_runs.push(TextRun {
8001 len: segment_slice_end_col - cursor_col,
8002 font: text_run.font.clone(),
8003 color: new_text_color,
8004 background_color: text_run.background_color,
8005 underline: text_run.underline,
8006 strikethrough: text_run.strikethrough,
8007 });
8008 cursor_col = segment_slice_end_col;
8009 }
8010 if segment_end_col >= run_end_col {
8011 break;
8012 }
8013 local_segment_ix += 1;
8014 }
8015 if cursor_col < run_end_col {
8016 output_runs.push(TextRun {
8017 len: run_end_col - cursor_col,
8018 font: text_run.font.clone(),
8019 color: text_run.color,
8020 background_color: text_run.background_color,
8021 underline: text_run.underline,
8022 strikethrough: text_run.strikethrough,
8023 });
8024 }
8025 line_col = run_end_col;
8026 segment_ix = local_segment_ix;
8027 }
8028 output_runs
8029 }
8030
8031 fn prepaint(
8032 &mut self,
8033 line_height: Pixels,
8034 scroll_position: gpui::Point<ScrollOffset>,
8035 scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
8036 row: DisplayRow,
8037 content_origin: gpui::Point<Pixels>,
8038 line_elements: &mut SmallVec<[AnyElement; 1]>,
8039 window: &mut Window,
8040 cx: &mut App,
8041 ) {
8042 let line_y = f32::from(line_height) * Pixels::from(row.as_f64() - scroll_position.y);
8043 let mut fragment_origin =
8044 content_origin + gpui::point(Pixels::from(-scroll_pixel_position.x), line_y);
8045 for fragment in &mut self.fragments {
8046 match fragment {
8047 LineFragment::Text(line) => {
8048 fragment_origin.x += line.width;
8049 }
8050 LineFragment::Element { element, size, .. } => {
8051 let mut element = element
8052 .take()
8053 .expect("you can't prepaint LineWithInvisibles twice");
8054
8055 // Center the element vertically within the line.
8056 let mut element_origin = fragment_origin;
8057 element_origin.y += (line_height - size.height) / 2.;
8058 element.prepaint_at(element_origin, window, cx);
8059 line_elements.push(element);
8060
8061 fragment_origin.x += size.width;
8062 }
8063 }
8064 }
8065 }
8066
8067 fn draw(
8068 &self,
8069 layout: &EditorLayout,
8070 row: DisplayRow,
8071 content_origin: gpui::Point<Pixels>,
8072 whitespace_setting: ShowWhitespaceSetting,
8073 selection_ranges: &[Range<DisplayPoint>],
8074 window: &mut Window,
8075 cx: &mut App,
8076 ) {
8077 let line_height = layout.position_map.line_height;
8078 let line_y = line_height * (row.as_f64() - layout.position_map.scroll_position.y) as f32;
8079
8080 let mut fragment_origin = content_origin
8081 + gpui::point(
8082 Pixels::from(-layout.position_map.scroll_pixel_position.x),
8083 line_y,
8084 );
8085
8086 for fragment in &self.fragments {
8087 match fragment {
8088 LineFragment::Text(line) => {
8089 line.paint(fragment_origin, line_height, window, cx)
8090 .log_err();
8091 fragment_origin.x += line.width;
8092 }
8093 LineFragment::Element { size, .. } => {
8094 fragment_origin.x += size.width;
8095 }
8096 }
8097 }
8098
8099 self.draw_invisibles(
8100 selection_ranges,
8101 layout,
8102 content_origin,
8103 line_y,
8104 row,
8105 line_height,
8106 whitespace_setting,
8107 window,
8108 cx,
8109 );
8110 }
8111
8112 fn draw_background(
8113 &self,
8114 layout: &EditorLayout,
8115 row: DisplayRow,
8116 content_origin: gpui::Point<Pixels>,
8117 window: &mut Window,
8118 cx: &mut App,
8119 ) {
8120 let line_height = layout.position_map.line_height;
8121 let line_y = line_height * (row.as_f64() - layout.position_map.scroll_position.y) as f32;
8122
8123 let mut fragment_origin = content_origin
8124 + gpui::point(
8125 Pixels::from(-layout.position_map.scroll_pixel_position.x),
8126 line_y,
8127 );
8128
8129 for fragment in &self.fragments {
8130 match fragment {
8131 LineFragment::Text(line) => {
8132 line.paint_background(fragment_origin, line_height, window, cx)
8133 .log_err();
8134 fragment_origin.x += line.width;
8135 }
8136 LineFragment::Element { size, .. } => {
8137 fragment_origin.x += size.width;
8138 }
8139 }
8140 }
8141 }
8142
8143 fn draw_invisibles(
8144 &self,
8145 selection_ranges: &[Range<DisplayPoint>],
8146 layout: &EditorLayout,
8147 content_origin: gpui::Point<Pixels>,
8148 line_y: Pixels,
8149 row: DisplayRow,
8150 line_height: Pixels,
8151 whitespace_setting: ShowWhitespaceSetting,
8152 window: &mut Window,
8153 cx: &mut App,
8154 ) {
8155 let extract_whitespace_info = |invisible: &Invisible| {
8156 let (token_offset, token_end_offset, invisible_symbol) = match invisible {
8157 Invisible::Tab {
8158 line_start_offset,
8159 line_end_offset,
8160 } => (*line_start_offset, *line_end_offset, &layout.tab_invisible),
8161 Invisible::Whitespace { line_offset } => {
8162 (*line_offset, line_offset + 1, &layout.space_invisible)
8163 }
8164 };
8165
8166 let x_offset: ScrollPixelOffset = self.x_for_index(token_offset).into();
8167 let invisible_offset: ScrollPixelOffset =
8168 ((layout.position_map.em_width - invisible_symbol.width).max(Pixels::ZERO) / 2.0)
8169 .into();
8170 let origin = content_origin
8171 + gpui::point(
8172 Pixels::from(
8173 x_offset + invisible_offset - layout.position_map.scroll_pixel_position.x,
8174 ),
8175 line_y,
8176 );
8177
8178 (
8179 [token_offset, token_end_offset],
8180 Box::new(move |window: &mut Window, cx: &mut App| {
8181 invisible_symbol
8182 .paint(origin, line_height, window, cx)
8183 .log_err();
8184 }),
8185 )
8186 };
8187
8188 let invisible_iter = self.invisibles.iter().map(extract_whitespace_info);
8189 match whitespace_setting {
8190 ShowWhitespaceSetting::None => (),
8191 ShowWhitespaceSetting::All => invisible_iter.for_each(|(_, paint)| paint(window, cx)),
8192 ShowWhitespaceSetting::Selection => invisible_iter.for_each(|([start, _], paint)| {
8193 let invisible_point = DisplayPoint::new(row, start as u32);
8194 if !selection_ranges
8195 .iter()
8196 .any(|region| region.start <= invisible_point && invisible_point < region.end)
8197 {
8198 return;
8199 }
8200
8201 paint(window, cx);
8202 }),
8203
8204 ShowWhitespaceSetting::Trailing => {
8205 let mut previous_start = self.len;
8206 for ([start, end], paint) in invisible_iter.rev() {
8207 if previous_start != end {
8208 break;
8209 }
8210 previous_start = start;
8211 paint(window, cx);
8212 }
8213 }
8214
8215 // For a whitespace to be on a boundary, any of the following conditions need to be met:
8216 // - It is a tab
8217 // - It is adjacent to an edge (start or end)
8218 // - It is adjacent to a whitespace (left or right)
8219 ShowWhitespaceSetting::Boundary => {
8220 // 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
8221 // the above cases.
8222 // Note: We zip in the original `invisibles` to check for tab equality
8223 let mut last_seen: Option<(bool, usize, Box<dyn Fn(&mut Window, &mut App)>)> = None;
8224 for (([start, end], paint), invisible) in
8225 invisible_iter.zip_eq(self.invisibles.iter())
8226 {
8227 let should_render = match (&last_seen, invisible) {
8228 (_, Invisible::Tab { .. }) => true,
8229 (Some((_, last_end, _)), _) => *last_end == start,
8230 _ => false,
8231 };
8232
8233 if should_render || start == 0 || end == self.len {
8234 paint(window, cx);
8235
8236 // Since we are scanning from the left, we will skip over the first available whitespace that is part
8237 // of a boundary between non-whitespace segments, so we correct by manually redrawing it if needed.
8238 if let Some((should_render_last, last_end, paint_last)) = last_seen {
8239 // Note that we need to make sure that the last one is actually adjacent
8240 if !should_render_last && last_end == start {
8241 paint_last(window, cx);
8242 }
8243 }
8244 }
8245
8246 // Manually render anything within a selection
8247 let invisible_point = DisplayPoint::new(row, start as u32);
8248 if selection_ranges.iter().any(|region| {
8249 region.start <= invisible_point && invisible_point < region.end
8250 }) {
8251 paint(window, cx);
8252 }
8253
8254 last_seen = Some((should_render, end, paint));
8255 }
8256 }
8257 }
8258 }
8259
8260 pub fn x_for_index(&self, index: usize) -> Pixels {
8261 let mut fragment_start_x = Pixels::ZERO;
8262 let mut fragment_start_index = 0;
8263
8264 for fragment in &self.fragments {
8265 match fragment {
8266 LineFragment::Text(shaped_line) => {
8267 let fragment_end_index = fragment_start_index + shaped_line.len;
8268 if index < fragment_end_index {
8269 return fragment_start_x
8270 + shaped_line.x_for_index(index - fragment_start_index);
8271 }
8272 fragment_start_x += shaped_line.width;
8273 fragment_start_index = fragment_end_index;
8274 }
8275 LineFragment::Element { len, size, .. } => {
8276 let fragment_end_index = fragment_start_index + len;
8277 if index < fragment_end_index {
8278 return fragment_start_x;
8279 }
8280 fragment_start_x += size.width;
8281 fragment_start_index = fragment_end_index;
8282 }
8283 }
8284 }
8285
8286 fragment_start_x
8287 }
8288
8289 pub fn index_for_x(&self, x: Pixels) -> Option<usize> {
8290 let mut fragment_start_x = Pixels::ZERO;
8291 let mut fragment_start_index = 0;
8292
8293 for fragment in &self.fragments {
8294 match fragment {
8295 LineFragment::Text(shaped_line) => {
8296 let fragment_end_x = fragment_start_x + shaped_line.width;
8297 if x < fragment_end_x {
8298 return Some(
8299 fragment_start_index + shaped_line.index_for_x(x - fragment_start_x)?,
8300 );
8301 }
8302 fragment_start_x = fragment_end_x;
8303 fragment_start_index += shaped_line.len;
8304 }
8305 LineFragment::Element { len, size, .. } => {
8306 let fragment_end_x = fragment_start_x + size.width;
8307 if x < fragment_end_x {
8308 return Some(fragment_start_index);
8309 }
8310 fragment_start_index += len;
8311 fragment_start_x = fragment_end_x;
8312 }
8313 }
8314 }
8315
8316 None
8317 }
8318
8319 pub fn font_id_for_index(&self, index: usize) -> Option<FontId> {
8320 let mut fragment_start_index = 0;
8321
8322 for fragment in &self.fragments {
8323 match fragment {
8324 LineFragment::Text(shaped_line) => {
8325 let fragment_end_index = fragment_start_index + shaped_line.len;
8326 if index < fragment_end_index {
8327 return shaped_line.font_id_for_index(index - fragment_start_index);
8328 }
8329 fragment_start_index = fragment_end_index;
8330 }
8331 LineFragment::Element { len, .. } => {
8332 let fragment_end_index = fragment_start_index + len;
8333 if index < fragment_end_index {
8334 return None;
8335 }
8336 fragment_start_index = fragment_end_index;
8337 }
8338 }
8339 }
8340
8341 None
8342 }
8343}
8344
8345#[derive(Debug, Clone, Copy, PartialEq, Eq)]
8346enum Invisible {
8347 /// A tab character
8348 ///
8349 /// A tab character is internally represented by spaces (configured by the user's tab width)
8350 /// aligned to the nearest column, so it's necessary to store the start and end offset for
8351 /// adjacency checks.
8352 Tab {
8353 line_start_offset: usize,
8354 line_end_offset: usize,
8355 },
8356 Whitespace {
8357 line_offset: usize,
8358 },
8359}
8360
8361impl EditorElement {
8362 /// Returns the rem size to use when rendering the [`EditorElement`].
8363 ///
8364 /// This allows UI elements to scale based on the `buffer_font_size`.
8365 fn rem_size(&self, cx: &mut App) -> Option<Pixels> {
8366 match self.editor.read(cx).mode {
8367 EditorMode::Full {
8368 scale_ui_elements_with_buffer_font_size: true,
8369 ..
8370 }
8371 | EditorMode::Minimap { .. } => {
8372 let buffer_font_size = self.style.text.font_size;
8373 match buffer_font_size {
8374 AbsoluteLength::Pixels(pixels) => {
8375 let rem_size_scale = {
8376 // Our default UI font size is 14px on a 16px base scale.
8377 // This means the default UI font size is 0.875rems.
8378 let default_font_size_scale = 14. / ui::BASE_REM_SIZE_IN_PX;
8379
8380 // We then determine the delta between a single rem and the default font
8381 // size scale.
8382 let default_font_size_delta = 1. - default_font_size_scale;
8383
8384 // Finally, we add this delta to 1rem to get the scale factor that
8385 // should be used to scale up the UI.
8386 1. + default_font_size_delta
8387 };
8388
8389 Some(pixels * rem_size_scale)
8390 }
8391 AbsoluteLength::Rems(rems) => {
8392 Some(rems.to_pixels(ui::BASE_REM_SIZE_IN_PX.into()))
8393 }
8394 }
8395 }
8396 // We currently use single-line and auto-height editors in UI contexts,
8397 // so we don't want to scale everything with the buffer font size, as it
8398 // ends up looking off.
8399 _ => None,
8400 }
8401 }
8402
8403 fn editor_with_selections(&self, cx: &App) -> Option<Entity<Editor>> {
8404 if let EditorMode::Minimap { parent } = self.editor.read(cx).mode() {
8405 parent.upgrade()
8406 } else {
8407 Some(self.editor.clone())
8408 }
8409 }
8410}
8411
8412impl Element for EditorElement {
8413 type RequestLayoutState = ();
8414 type PrepaintState = EditorLayout;
8415
8416 fn id(&self) -> Option<ElementId> {
8417 None
8418 }
8419
8420 fn source_location(&self) -> Option<&'static core::panic::Location<'static>> {
8421 None
8422 }
8423
8424 fn request_layout(
8425 &mut self,
8426 _: Option<&GlobalElementId>,
8427 _inspector_id: Option<&gpui::InspectorElementId>,
8428 window: &mut Window,
8429 cx: &mut App,
8430 ) -> (gpui::LayoutId, ()) {
8431 let rem_size = self.rem_size(cx);
8432 window.with_rem_size(rem_size, |window| {
8433 self.editor.update(cx, |editor, cx| {
8434 editor.set_style(self.style.clone(), window, cx);
8435
8436 let layout_id = match editor.mode {
8437 EditorMode::SingleLine => {
8438 let rem_size = window.rem_size();
8439 let height = self.style.text.line_height_in_pixels(rem_size);
8440 let mut style = Style::default();
8441 style.size.height = height.into();
8442 style.size.width = relative(1.).into();
8443 window.request_layout(style, None, cx)
8444 }
8445 EditorMode::AutoHeight {
8446 min_lines,
8447 max_lines,
8448 } => {
8449 let editor_handle = cx.entity();
8450 let max_line_number_width =
8451 self.max_line_number_width(&editor.snapshot(window, cx), window);
8452 window.request_measured_layout(
8453 Style::default(),
8454 move |known_dimensions, available_space, window, cx| {
8455 editor_handle
8456 .update(cx, |editor, cx| {
8457 compute_auto_height_layout(
8458 editor,
8459 min_lines,
8460 max_lines,
8461 max_line_number_width,
8462 known_dimensions,
8463 available_space.width,
8464 window,
8465 cx,
8466 )
8467 })
8468 .unwrap_or_default()
8469 },
8470 )
8471 }
8472 EditorMode::Minimap { .. } => {
8473 let mut style = Style::default();
8474 style.size.width = relative(1.).into();
8475 style.size.height = relative(1.).into();
8476 window.request_layout(style, None, cx)
8477 }
8478 EditorMode::Full {
8479 sized_by_content, ..
8480 } => {
8481 let mut style = Style::default();
8482 style.size.width = relative(1.).into();
8483 if sized_by_content {
8484 let snapshot = editor.snapshot(window, cx);
8485 let line_height =
8486 self.style.text.line_height_in_pixels(window.rem_size());
8487 let scroll_height =
8488 (snapshot.max_point().row().next_row().0 as f32) * line_height;
8489 style.size.height = scroll_height.into();
8490 } else {
8491 style.size.height = relative(1.).into();
8492 }
8493 window.request_layout(style, None, cx)
8494 }
8495 };
8496
8497 (layout_id, ())
8498 })
8499 })
8500 }
8501
8502 fn prepaint(
8503 &mut self,
8504 _: Option<&GlobalElementId>,
8505 _inspector_id: Option<&gpui::InspectorElementId>,
8506 bounds: Bounds<Pixels>,
8507 _: &mut Self::RequestLayoutState,
8508 window: &mut Window,
8509 cx: &mut App,
8510 ) -> Self::PrepaintState {
8511 let text_style = TextStyleRefinement {
8512 font_size: Some(self.style.text.font_size),
8513 line_height: Some(self.style.text.line_height),
8514 ..Default::default()
8515 };
8516
8517 let is_minimap = self.editor.read(cx).mode.is_minimap();
8518
8519 if !is_minimap {
8520 let focus_handle = self.editor.focus_handle(cx);
8521 window.set_view_id(self.editor.entity_id());
8522 window.set_focus_handle(&focus_handle, cx);
8523 }
8524
8525 let rem_size = self.rem_size(cx);
8526 window.with_rem_size(rem_size, |window| {
8527 window.with_text_style(Some(text_style), |window| {
8528 window.with_content_mask(Some(ContentMask { bounds }), |window| {
8529 let (mut snapshot, is_read_only) = self.editor.update(cx, |editor, cx| {
8530 (editor.snapshot(window, cx), editor.read_only(cx))
8531 });
8532 let style = &self.style;
8533
8534 let rem_size = window.rem_size();
8535 let font_id = window.text_system().resolve_font(&style.text.font());
8536 let font_size = style.text.font_size.to_pixels(rem_size);
8537 let line_height = style.text.line_height_in_pixels(rem_size);
8538 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
8539 let em_advance = window.text_system().em_advance(font_id, font_size).unwrap();
8540 let glyph_grid_cell = size(em_advance, line_height);
8541
8542 let gutter_dimensions = snapshot
8543 .gutter_dimensions(
8544 font_id,
8545 font_size,
8546 self.max_line_number_width(&snapshot, window),
8547 cx,
8548 )
8549 .or_else(|| {
8550 self.editor.read(cx).offset_content.then(|| {
8551 GutterDimensions::default_with_margin(font_id, font_size, cx)
8552 })
8553 })
8554 .unwrap_or_default();
8555 let text_width = bounds.size.width - gutter_dimensions.width;
8556
8557 let settings = EditorSettings::get_global(cx);
8558 let scrollbars_shown = settings.scrollbar.show != ShowScrollbar::Never;
8559 let vertical_scrollbar_width = (scrollbars_shown
8560 && settings.scrollbar.axes.vertical
8561 && self.editor.read(cx).show_scrollbars.vertical)
8562 .then_some(style.scrollbar_width)
8563 .unwrap_or_default();
8564 let minimap_width = self
8565 .get_minimap_width(
8566 &settings.minimap,
8567 scrollbars_shown,
8568 text_width,
8569 em_width,
8570 font_size,
8571 rem_size,
8572 cx,
8573 )
8574 .unwrap_or_default();
8575
8576 let right_margin = minimap_width + vertical_scrollbar_width;
8577
8578 let editor_width =
8579 text_width - gutter_dimensions.margin - 2 * em_width - right_margin;
8580 let editor_margins = EditorMargins {
8581 gutter: gutter_dimensions,
8582 right: right_margin,
8583 };
8584
8585 snapshot = self.editor.update(cx, |editor, cx| {
8586 editor.last_bounds = Some(bounds);
8587 editor.gutter_dimensions = gutter_dimensions;
8588 editor.set_visible_line_count(
8589 (bounds.size.height / line_height) as f64,
8590 window,
8591 cx,
8592 );
8593 editor.set_visible_column_count(f64::from(editor_width / em_advance));
8594
8595 if matches!(
8596 editor.mode,
8597 EditorMode::AutoHeight { .. } | EditorMode::Minimap { .. }
8598 ) {
8599 snapshot
8600 } else {
8601 let wrap_width_for = |column: u32| (column as f32 * em_advance).ceil();
8602 let wrap_width = match editor.soft_wrap_mode(cx) {
8603 SoftWrap::GitDiff => None,
8604 SoftWrap::None => Some(wrap_width_for(MAX_LINE_LEN as u32 / 2)),
8605 SoftWrap::EditorWidth => Some(editor_width),
8606 SoftWrap::Column(column) => Some(wrap_width_for(column)),
8607 SoftWrap::Bounded(column) => {
8608 Some(editor_width.min(wrap_width_for(column)))
8609 }
8610 };
8611
8612 if editor.set_wrap_width(wrap_width, cx) {
8613 editor.snapshot(window, cx)
8614 } else {
8615 snapshot
8616 }
8617 }
8618 });
8619
8620 let hitbox = window.insert_hitbox(bounds, HitboxBehavior::Normal);
8621 let gutter_hitbox = window.insert_hitbox(
8622 gutter_bounds(bounds, gutter_dimensions),
8623 HitboxBehavior::Normal,
8624 );
8625 let text_hitbox = window.insert_hitbox(
8626 Bounds {
8627 origin: gutter_hitbox.top_right(),
8628 size: size(text_width, bounds.size.height),
8629 },
8630 HitboxBehavior::Normal,
8631 );
8632
8633 // Offset the content_bounds from the text_bounds by the gutter margin (which
8634 // is roughly half a character wide) to make hit testing work more like how we want.
8635 let content_offset = point(editor_margins.gutter.margin, Pixels::ZERO);
8636 let content_origin = text_hitbox.origin + content_offset;
8637
8638 let height_in_lines = f64::from(bounds.size.height / line_height);
8639 let max_row = snapshot.max_point().row().as_f64();
8640
8641 // The max scroll position for the top of the window
8642 let max_scroll_top = if matches!(
8643 snapshot.mode,
8644 EditorMode::SingleLine
8645 | EditorMode::AutoHeight { .. }
8646 | EditorMode::Full {
8647 sized_by_content: true,
8648 ..
8649 }
8650 ) {
8651 (max_row - height_in_lines + 1.).max(0.)
8652 } else {
8653 let settings = EditorSettings::get_global(cx);
8654 match settings.scroll_beyond_last_line {
8655 ScrollBeyondLastLine::OnePage => max_row,
8656 ScrollBeyondLastLine::Off => (max_row - height_in_lines + 1.).max(0.),
8657 ScrollBeyondLastLine::VerticalScrollMargin => {
8658 (max_row - height_in_lines + 1. + settings.vertical_scroll_margin)
8659 .max(0.)
8660 }
8661 }
8662 };
8663
8664 let (
8665 autoscroll_request,
8666 autoscroll_containing_element,
8667 needs_horizontal_autoscroll,
8668 ) = self.editor.update(cx, |editor, cx| {
8669 let autoscroll_request = editor.scroll_manager.take_autoscroll_request();
8670
8671 let autoscroll_containing_element =
8672 autoscroll_request.is_some() || editor.has_pending_selection();
8673
8674 let (needs_horizontal_autoscroll, was_scrolled) = editor
8675 .autoscroll_vertically(
8676 bounds,
8677 line_height,
8678 max_scroll_top,
8679 autoscroll_request,
8680 window,
8681 cx,
8682 );
8683 if was_scrolled.0 {
8684 snapshot = editor.snapshot(window, cx);
8685 }
8686 (
8687 autoscroll_request,
8688 autoscroll_containing_element,
8689 needs_horizontal_autoscroll,
8690 )
8691 });
8692
8693 let mut scroll_position = snapshot.scroll_position();
8694 // The scroll position is a fractional point, the whole number of which represents
8695 // the top of the window in terms of display rows.
8696 let start_row = DisplayRow(scroll_position.y as u32);
8697 let max_row = snapshot.max_point().row();
8698 let end_row = cmp::min(
8699 (scroll_position.y + height_in_lines).ceil() as u32,
8700 max_row.next_row().0,
8701 );
8702 let end_row = DisplayRow(end_row);
8703
8704 let row_infos = snapshot
8705 .row_infos(start_row)
8706 .take((start_row..end_row).len())
8707 .collect::<Vec<RowInfo>>();
8708 let is_row_soft_wrapped = |row: usize| {
8709 row_infos
8710 .get(row)
8711 .is_none_or(|info| info.buffer_row.is_none())
8712 };
8713
8714 let start_anchor = if start_row == Default::default() {
8715 Anchor::min()
8716 } else {
8717 snapshot.buffer_snapshot().anchor_before(
8718 DisplayPoint::new(start_row, 0).to_offset(&snapshot, Bias::Left),
8719 )
8720 };
8721 let end_anchor = if end_row > max_row {
8722 Anchor::max()
8723 } else {
8724 snapshot.buffer_snapshot().anchor_before(
8725 DisplayPoint::new(end_row, 0).to_offset(&snapshot, Bias::Right),
8726 )
8727 };
8728
8729 let mut highlighted_rows = self
8730 .editor
8731 .update(cx, |editor, cx| editor.highlighted_display_rows(window, cx));
8732
8733 let is_light = cx.theme().appearance().is_light();
8734
8735 for (ix, row_info) in row_infos.iter().enumerate() {
8736 let Some(diff_status) = row_info.diff_status else {
8737 continue;
8738 };
8739
8740 let background_color = match diff_status.kind {
8741 DiffHunkStatusKind::Added => cx.theme().colors().version_control_added,
8742 DiffHunkStatusKind::Deleted => {
8743 cx.theme().colors().version_control_deleted
8744 }
8745 DiffHunkStatusKind::Modified => {
8746 debug_panic!("modified diff status for row info");
8747 continue;
8748 }
8749 };
8750
8751 let hunk_opacity = if is_light { 0.16 } else { 0.12 };
8752
8753 let hollow_highlight = LineHighlight {
8754 background: (background_color.opacity(if is_light {
8755 0.08
8756 } else {
8757 0.06
8758 }))
8759 .into(),
8760 border: Some(if is_light {
8761 background_color.opacity(0.48)
8762 } else {
8763 background_color.opacity(0.36)
8764 }),
8765 include_gutter: true,
8766 type_id: None,
8767 };
8768
8769 let filled_highlight = LineHighlight {
8770 background: solid_background(background_color.opacity(hunk_opacity)),
8771 border: None,
8772 include_gutter: true,
8773 type_id: None,
8774 };
8775
8776 let background = if Self::diff_hunk_hollow(diff_status, cx) {
8777 hollow_highlight
8778 } else {
8779 filled_highlight
8780 };
8781
8782 highlighted_rows
8783 .entry(start_row + DisplayRow(ix as u32))
8784 .or_insert(background);
8785 }
8786
8787 let highlighted_ranges = self
8788 .editor_with_selections(cx)
8789 .map(|editor| {
8790 editor.read(cx).background_highlights_in_range(
8791 start_anchor..end_anchor,
8792 &snapshot.display_snapshot,
8793 cx.theme(),
8794 )
8795 })
8796 .unwrap_or_default();
8797 let highlighted_gutter_ranges =
8798 self.editor.read(cx).gutter_highlights_in_range(
8799 start_anchor..end_anchor,
8800 &snapshot.display_snapshot,
8801 cx,
8802 );
8803
8804 let document_colors = self
8805 .editor
8806 .read(cx)
8807 .colors
8808 .as_ref()
8809 .map(|colors| colors.editor_display_highlights(&snapshot));
8810 let redacted_ranges = self.editor.read(cx).redacted_ranges(
8811 start_anchor..end_anchor,
8812 &snapshot.display_snapshot,
8813 cx,
8814 );
8815
8816 let (local_selections, selected_buffer_ids): (
8817 Vec<Selection<Point>>,
8818 Vec<BufferId>,
8819 ) = self
8820 .editor_with_selections(cx)
8821 .map(|editor| {
8822 editor.update(cx, |editor, cx| {
8823 let all_selections =
8824 editor.selections.all::<Point>(&snapshot.display_snapshot);
8825 let selected_buffer_ids =
8826 if editor.buffer_kind(cx) == ItemBufferKind::Singleton {
8827 Vec::new()
8828 } else {
8829 let mut selected_buffer_ids =
8830 Vec::with_capacity(all_selections.len());
8831
8832 for selection in all_selections {
8833 for buffer_id in snapshot
8834 .buffer_snapshot()
8835 .buffer_ids_for_range(selection.range())
8836 {
8837 if selected_buffer_ids.last() != Some(&buffer_id) {
8838 selected_buffer_ids.push(buffer_id);
8839 }
8840 }
8841 }
8842
8843 selected_buffer_ids
8844 };
8845
8846 let mut selections = editor.selections.disjoint_in_range(
8847 start_anchor..end_anchor,
8848 &snapshot.display_snapshot,
8849 );
8850 selections
8851 .extend(editor.selections.pending(&snapshot.display_snapshot));
8852
8853 (selections, selected_buffer_ids)
8854 })
8855 })
8856 .unwrap_or_default();
8857
8858 let (selections, mut active_rows, newest_selection_head) = self
8859 .layout_selections(
8860 start_anchor,
8861 end_anchor,
8862 &local_selections,
8863 &snapshot,
8864 start_row,
8865 end_row,
8866 window,
8867 cx,
8868 );
8869 let mut breakpoint_rows = self.editor.update(cx, |editor, cx| {
8870 editor.active_breakpoints(start_row..end_row, window, cx)
8871 });
8872 for (display_row, (_, bp, state)) in &breakpoint_rows {
8873 if bp.is_enabled() && state.is_none_or(|s| s.verified) {
8874 active_rows.entry(*display_row).or_default().breakpoint = true;
8875 }
8876 }
8877
8878 let line_numbers = self.layout_line_numbers(
8879 Some(&gutter_hitbox),
8880 gutter_dimensions,
8881 line_height,
8882 scroll_position,
8883 start_row..end_row,
8884 &row_infos,
8885 &active_rows,
8886 newest_selection_head,
8887 &snapshot,
8888 window,
8889 cx,
8890 );
8891
8892 // We add the gutter breakpoint indicator to breakpoint_rows after painting
8893 // line numbers so we don't paint a line number debug accent color if a user
8894 // has their mouse over that line when a breakpoint isn't there
8895 self.editor.update(cx, |editor, _| {
8896 if let Some(phantom_breakpoint) = &mut editor
8897 .gutter_breakpoint_indicator
8898 .0
8899 .filter(|phantom_breakpoint| phantom_breakpoint.is_active)
8900 {
8901 // Is there a non-phantom breakpoint on this line?
8902 phantom_breakpoint.collides_with_existing_breakpoint = true;
8903 breakpoint_rows
8904 .entry(phantom_breakpoint.display_row)
8905 .or_insert_with(|| {
8906 let position = snapshot.display_point_to_anchor(
8907 DisplayPoint::new(phantom_breakpoint.display_row, 0),
8908 Bias::Right,
8909 );
8910 let breakpoint = Breakpoint::new_standard();
8911 phantom_breakpoint.collides_with_existing_breakpoint = false;
8912 (position, breakpoint, None)
8913 });
8914 }
8915 });
8916
8917 let mut expand_toggles =
8918 window.with_element_namespace("expand_toggles", |window| {
8919 self.layout_expand_toggles(
8920 &gutter_hitbox,
8921 gutter_dimensions,
8922 em_width,
8923 line_height,
8924 scroll_position,
8925 &row_infos,
8926 window,
8927 cx,
8928 )
8929 });
8930
8931 let mut crease_toggles =
8932 window.with_element_namespace("crease_toggles", |window| {
8933 self.layout_crease_toggles(
8934 start_row..end_row,
8935 &row_infos,
8936 &active_rows,
8937 &snapshot,
8938 window,
8939 cx,
8940 )
8941 });
8942 let crease_trailers =
8943 window.with_element_namespace("crease_trailers", |window| {
8944 self.layout_crease_trailers(
8945 row_infos.iter().copied(),
8946 &snapshot,
8947 window,
8948 cx,
8949 )
8950 });
8951
8952 let display_hunks = self.layout_gutter_diff_hunks(
8953 line_height,
8954 &gutter_hitbox,
8955 start_row..end_row,
8956 &snapshot,
8957 window,
8958 cx,
8959 );
8960
8961 let bg_segments_per_row = Self::bg_segments_per_row(
8962 start_row..end_row,
8963 &selections,
8964 &highlighted_ranges,
8965 self.style.background,
8966 );
8967
8968 let mut line_layouts = Self::layout_lines(
8969 start_row..end_row,
8970 &snapshot,
8971 &self.style,
8972 editor_width,
8973 is_row_soft_wrapped,
8974 &bg_segments_per_row,
8975 window,
8976 cx,
8977 );
8978 let new_renderer_widths = (!is_minimap).then(|| {
8979 line_layouts
8980 .iter()
8981 .flat_map(|layout| &layout.fragments)
8982 .filter_map(|fragment| {
8983 if let LineFragment::Element { id, size, .. } = fragment {
8984 Some((*id, size.width))
8985 } else {
8986 None
8987 }
8988 })
8989 });
8990 if new_renderer_widths.is_some_and(|new_renderer_widths| {
8991 self.editor.update(cx, |editor, cx| {
8992 editor.update_renderer_widths(new_renderer_widths, cx)
8993 })
8994 }) {
8995 // If the fold widths have changed, we need to prepaint
8996 // the element again to account for any changes in
8997 // wrapping.
8998 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
8999 }
9000
9001 let longest_line_blame_width = self
9002 .editor
9003 .update(cx, |editor, cx| {
9004 if !editor.show_git_blame_inline {
9005 return None;
9006 }
9007 let blame = editor.blame.as_ref()?;
9008 let (_, blame_entry) = blame
9009 .update(cx, |blame, cx| {
9010 let row_infos =
9011 snapshot.row_infos(snapshot.longest_row()).next()?;
9012 blame.blame_for_rows(&[row_infos], cx).next()
9013 })
9014 .flatten()?;
9015 let mut element = render_inline_blame_entry(blame_entry, style, cx)?;
9016 let inline_blame_padding =
9017 ProjectSettings::get_global(cx).git.inline_blame.padding as f32
9018 * em_advance;
9019 Some(
9020 element
9021 .layout_as_root(AvailableSpace::min_size(), window, cx)
9022 .width
9023 + inline_blame_padding,
9024 )
9025 })
9026 .unwrap_or(Pixels::ZERO);
9027
9028 let longest_line_width = layout_line(
9029 snapshot.longest_row(),
9030 &snapshot,
9031 style,
9032 editor_width,
9033 is_row_soft_wrapped,
9034 window,
9035 cx,
9036 )
9037 .width;
9038
9039 let scrollbar_layout_information = ScrollbarLayoutInformation::new(
9040 text_hitbox.bounds,
9041 glyph_grid_cell,
9042 size(
9043 longest_line_width,
9044 Pixels::from(max_row.as_f64() * f64::from(line_height)),
9045 ),
9046 longest_line_blame_width,
9047 EditorSettings::get_global(cx),
9048 );
9049
9050 let mut scroll_width = scrollbar_layout_information.scroll_range.width;
9051
9052 let sticky_header_excerpt = if snapshot.buffer_snapshot().show_headers() {
9053 snapshot.sticky_header_excerpt(scroll_position.y)
9054 } else {
9055 None
9056 };
9057 let sticky_header_excerpt_id =
9058 sticky_header_excerpt.as_ref().map(|top| top.excerpt.id);
9059
9060 let blocks = (!is_minimap)
9061 .then(|| {
9062 window.with_element_namespace("blocks", |window| {
9063 self.render_blocks(
9064 start_row..end_row,
9065 &snapshot,
9066 &hitbox,
9067 &text_hitbox,
9068 editor_width,
9069 &mut scroll_width,
9070 &editor_margins,
9071 em_width,
9072 gutter_dimensions.full_width(),
9073 line_height,
9074 &mut line_layouts,
9075 &local_selections,
9076 &selected_buffer_ids,
9077 is_row_soft_wrapped,
9078 sticky_header_excerpt_id,
9079 window,
9080 cx,
9081 )
9082 })
9083 })
9084 .unwrap_or_else(|| Ok((Vec::default(), HashMap::default())));
9085 let (mut blocks, row_block_types) = match blocks {
9086 Ok(blocks) => blocks,
9087 Err(resized_blocks) => {
9088 self.editor.update(cx, |editor, cx| {
9089 editor.resize_blocks(
9090 resized_blocks,
9091 autoscroll_request.map(|(autoscroll, _)| autoscroll),
9092 cx,
9093 )
9094 });
9095 return self.prepaint(None, _inspector_id, bounds, &mut (), window, cx);
9096 }
9097 };
9098
9099 let sticky_buffer_header = sticky_header_excerpt.map(|sticky_header_excerpt| {
9100 window.with_element_namespace("blocks", |window| {
9101 self.layout_sticky_buffer_header(
9102 sticky_header_excerpt,
9103 scroll_position,
9104 line_height,
9105 right_margin,
9106 &snapshot,
9107 &hitbox,
9108 &selected_buffer_ids,
9109 &blocks,
9110 window,
9111 cx,
9112 )
9113 })
9114 });
9115
9116 let start_buffer_row =
9117 MultiBufferRow(start_anchor.to_point(&snapshot.buffer_snapshot()).row);
9118 let end_buffer_row =
9119 MultiBufferRow(end_anchor.to_point(&snapshot.buffer_snapshot()).row);
9120
9121 let scroll_max: gpui::Point<ScrollPixelOffset> = point(
9122 ScrollPixelOffset::from(
9123 ((scroll_width - editor_width) / em_advance).max(0.0),
9124 ),
9125 max_scroll_top,
9126 );
9127
9128 self.editor.update(cx, |editor, cx| {
9129 if editor.scroll_manager.clamp_scroll_left(scroll_max.x) {
9130 scroll_position.x = scroll_position.x.min(scroll_max.x);
9131 }
9132
9133 if needs_horizontal_autoscroll.0
9134 && let Some(new_scroll_position) = editor.autoscroll_horizontally(
9135 start_row,
9136 editor_width,
9137 scroll_width,
9138 em_advance,
9139 &line_layouts,
9140 autoscroll_request,
9141 window,
9142 cx,
9143 )
9144 {
9145 scroll_position = new_scroll_position;
9146 }
9147 });
9148
9149 let scroll_pixel_position = point(
9150 scroll_position.x * f64::from(em_advance),
9151 scroll_position.y * f64::from(line_height),
9152 );
9153 let indent_guides = self.layout_indent_guides(
9154 content_origin,
9155 text_hitbox.origin,
9156 start_buffer_row..end_buffer_row,
9157 scroll_pixel_position,
9158 line_height,
9159 &snapshot,
9160 window,
9161 cx,
9162 );
9163
9164 let crease_trailers =
9165 window.with_element_namespace("crease_trailers", |window| {
9166 self.prepaint_crease_trailers(
9167 crease_trailers,
9168 &line_layouts,
9169 line_height,
9170 content_origin,
9171 scroll_pixel_position,
9172 em_width,
9173 window,
9174 cx,
9175 )
9176 });
9177
9178 let (edit_prediction_popover, edit_prediction_popover_origin) = self
9179 .editor
9180 .update(cx, |editor, cx| {
9181 editor.render_edit_prediction_popover(
9182 &text_hitbox.bounds,
9183 content_origin,
9184 right_margin,
9185 &snapshot,
9186 start_row..end_row,
9187 scroll_position.y,
9188 scroll_position.y + height_in_lines,
9189 &line_layouts,
9190 line_height,
9191 scroll_position,
9192 scroll_pixel_position,
9193 newest_selection_head,
9194 editor_width,
9195 style,
9196 window,
9197 cx,
9198 )
9199 })
9200 .unzip();
9201
9202 let mut inline_diagnostics = self.layout_inline_diagnostics(
9203 &line_layouts,
9204 &crease_trailers,
9205 &row_block_types,
9206 content_origin,
9207 scroll_position,
9208 scroll_pixel_position,
9209 edit_prediction_popover_origin,
9210 start_row,
9211 end_row,
9212 line_height,
9213 em_width,
9214 style,
9215 window,
9216 cx,
9217 );
9218
9219 let mut inline_blame_layout = None;
9220 let mut inline_code_actions = None;
9221 if let Some(newest_selection_head) = newest_selection_head {
9222 let display_row = newest_selection_head.row();
9223 if (start_row..end_row).contains(&display_row)
9224 && !row_block_types.contains_key(&display_row)
9225 {
9226 inline_code_actions = self.layout_inline_code_actions(
9227 newest_selection_head,
9228 content_origin,
9229 scroll_position,
9230 scroll_pixel_position,
9231 line_height,
9232 &snapshot,
9233 window,
9234 cx,
9235 );
9236
9237 let line_ix = display_row.minus(start_row) as usize;
9238 if let (Some(row_info), Some(line_layout), Some(crease_trailer)) = (
9239 row_infos.get(line_ix),
9240 line_layouts.get(line_ix),
9241 crease_trailers.get(line_ix),
9242 ) {
9243 let crease_trailer_layout = crease_trailer.as_ref();
9244 if let Some(layout) = self.layout_inline_blame(
9245 display_row,
9246 row_info,
9247 line_layout,
9248 crease_trailer_layout,
9249 em_width,
9250 content_origin,
9251 scroll_position,
9252 scroll_pixel_position,
9253 line_height,
9254 &text_hitbox,
9255 window,
9256 cx,
9257 ) {
9258 inline_blame_layout = Some(layout);
9259 // Blame overrides inline diagnostics
9260 inline_diagnostics.remove(&display_row);
9261 }
9262 } else {
9263 log::error!(
9264 "bug: line_ix {} is out of bounds - row_infos.len(): {}, \
9265 line_layouts.len(): {}, \
9266 crease_trailers.len(): {}",
9267 line_ix,
9268 row_infos.len(),
9269 line_layouts.len(),
9270 crease_trailers.len(),
9271 );
9272 }
9273 }
9274 }
9275
9276 let blamed_display_rows = self.layout_blame_entries(
9277 &row_infos,
9278 em_width,
9279 scroll_position,
9280 line_height,
9281 &gutter_hitbox,
9282 gutter_dimensions.git_blame_entries_width,
9283 window,
9284 cx,
9285 );
9286
9287 let line_elements = self.prepaint_lines(
9288 start_row,
9289 &mut line_layouts,
9290 line_height,
9291 scroll_position,
9292 scroll_pixel_position,
9293 content_origin,
9294 window,
9295 cx,
9296 );
9297
9298 window.with_element_namespace("blocks", |window| {
9299 self.layout_blocks(
9300 &mut blocks,
9301 &hitbox,
9302 line_height,
9303 scroll_position,
9304 scroll_pixel_position,
9305 window,
9306 cx,
9307 );
9308 });
9309
9310 let cursors = self.collect_cursors(&snapshot, cx);
9311 let visible_row_range = start_row..end_row;
9312 let non_visible_cursors = cursors
9313 .iter()
9314 .any(|c| !visible_row_range.contains(&c.0.row()));
9315
9316 let visible_cursors = self.layout_visible_cursors(
9317 &snapshot,
9318 &selections,
9319 &row_block_types,
9320 start_row..end_row,
9321 &line_layouts,
9322 &text_hitbox,
9323 content_origin,
9324 scroll_position,
9325 scroll_pixel_position,
9326 line_height,
9327 em_width,
9328 em_advance,
9329 autoscroll_containing_element,
9330 window,
9331 cx,
9332 );
9333
9334 let scrollbars_layout = self.layout_scrollbars(
9335 &snapshot,
9336 &scrollbar_layout_information,
9337 content_offset,
9338 scroll_position,
9339 non_visible_cursors,
9340 right_margin,
9341 editor_width,
9342 window,
9343 cx,
9344 );
9345
9346 let gutter_settings = EditorSettings::get_global(cx).gutter;
9347
9348 let context_menu_layout =
9349 if let Some(newest_selection_head) = newest_selection_head {
9350 let newest_selection_point =
9351 newest_selection_head.to_point(&snapshot.display_snapshot);
9352 if (start_row..end_row).contains(&newest_selection_head.row()) {
9353 self.layout_cursor_popovers(
9354 line_height,
9355 &text_hitbox,
9356 content_origin,
9357 right_margin,
9358 start_row,
9359 scroll_pixel_position,
9360 &line_layouts,
9361 newest_selection_head,
9362 newest_selection_point,
9363 style,
9364 window,
9365 cx,
9366 )
9367 } else {
9368 None
9369 }
9370 } else {
9371 None
9372 };
9373
9374 self.layout_gutter_menu(
9375 line_height,
9376 &text_hitbox,
9377 content_origin,
9378 right_margin,
9379 scroll_pixel_position,
9380 gutter_dimensions.width - gutter_dimensions.left_padding,
9381 window,
9382 cx,
9383 );
9384
9385 let test_indicators = if gutter_settings.runnables {
9386 self.layout_run_indicators(
9387 line_height,
9388 start_row..end_row,
9389 &row_infos,
9390 scroll_position,
9391 &gutter_dimensions,
9392 &gutter_hitbox,
9393 &display_hunks,
9394 &snapshot,
9395 &mut breakpoint_rows,
9396 window,
9397 cx,
9398 )
9399 } else {
9400 Vec::new()
9401 };
9402
9403 let show_breakpoints = snapshot
9404 .show_breakpoints
9405 .unwrap_or(gutter_settings.breakpoints);
9406 let breakpoints = if show_breakpoints {
9407 self.layout_breakpoints(
9408 line_height,
9409 start_row..end_row,
9410 scroll_position,
9411 &gutter_dimensions,
9412 &gutter_hitbox,
9413 &display_hunks,
9414 &snapshot,
9415 breakpoint_rows,
9416 &row_infos,
9417 window,
9418 cx,
9419 )
9420 } else {
9421 Vec::new()
9422 };
9423
9424 self.layout_signature_help(
9425 &hitbox,
9426 content_origin,
9427 scroll_pixel_position,
9428 newest_selection_head,
9429 start_row,
9430 &line_layouts,
9431 line_height,
9432 em_width,
9433 context_menu_layout,
9434 window,
9435 cx,
9436 );
9437
9438 if !cx.has_active_drag() {
9439 self.layout_hover_popovers(
9440 &snapshot,
9441 &hitbox,
9442 start_row..end_row,
9443 content_origin,
9444 scroll_pixel_position,
9445 &line_layouts,
9446 line_height,
9447 em_width,
9448 context_menu_layout,
9449 window,
9450 cx,
9451 );
9452 }
9453
9454 let mouse_context_menu = self.layout_mouse_context_menu(
9455 &snapshot,
9456 start_row..end_row,
9457 content_origin,
9458 window,
9459 cx,
9460 );
9461
9462 window.with_element_namespace("crease_toggles", |window| {
9463 self.prepaint_crease_toggles(
9464 &mut crease_toggles,
9465 line_height,
9466 &gutter_dimensions,
9467 gutter_settings,
9468 scroll_pixel_position,
9469 &gutter_hitbox,
9470 window,
9471 cx,
9472 )
9473 });
9474
9475 window.with_element_namespace("expand_toggles", |window| {
9476 self.prepaint_expand_toggles(&mut expand_toggles, window, cx)
9477 });
9478
9479 let wrap_guides = self.layout_wrap_guides(
9480 em_advance,
9481 scroll_position,
9482 content_origin,
9483 scrollbars_layout.as_ref(),
9484 vertical_scrollbar_width,
9485 &hitbox,
9486 window,
9487 cx,
9488 );
9489
9490 let minimap = window.with_element_namespace("minimap", |window| {
9491 self.layout_minimap(
9492 &snapshot,
9493 minimap_width,
9494 scroll_position,
9495 &scrollbar_layout_information,
9496 scrollbars_layout.as_ref(),
9497 window,
9498 cx,
9499 )
9500 });
9501
9502 let invisible_symbol_font_size = font_size / 2.;
9503 let whitespace_map = &self
9504 .editor
9505 .read(cx)
9506 .buffer
9507 .read(cx)
9508 .language_settings(cx)
9509 .whitespace_map;
9510
9511 let tab_char = whitespace_map.tab.clone();
9512 let tab_len = tab_char.len();
9513 let tab_invisible = window.text_system().shape_line(
9514 tab_char,
9515 invisible_symbol_font_size,
9516 &[TextRun {
9517 len: tab_len,
9518 font: self.style.text.font(),
9519 color: cx.theme().colors().editor_invisible,
9520 background_color: None,
9521 underline: None,
9522 strikethrough: None,
9523 }],
9524 None,
9525 );
9526
9527 let space_char = whitespace_map.space.clone();
9528 let space_len = space_char.len();
9529 let space_invisible = window.text_system().shape_line(
9530 space_char,
9531 invisible_symbol_font_size,
9532 &[TextRun {
9533 len: space_len,
9534 font: self.style.text.font(),
9535 color: cx.theme().colors().editor_invisible,
9536 background_color: None,
9537 underline: None,
9538 strikethrough: None,
9539 }],
9540 None,
9541 );
9542
9543 let mode = snapshot.mode.clone();
9544
9545 let (diff_hunk_controls, diff_hunk_control_bounds) = if is_read_only {
9546 (vec![], vec![])
9547 } else {
9548 self.layout_diff_hunk_controls(
9549 start_row..end_row,
9550 &row_infos,
9551 &text_hitbox,
9552 newest_selection_head,
9553 line_height,
9554 right_margin,
9555 scroll_pixel_position,
9556 &display_hunks,
9557 &highlighted_rows,
9558 self.editor.clone(),
9559 window,
9560 cx,
9561 )
9562 };
9563
9564 let position_map = Rc::new(PositionMap {
9565 size: bounds.size,
9566 visible_row_range,
9567 scroll_position,
9568 scroll_pixel_position,
9569 scroll_max,
9570 line_layouts,
9571 line_height,
9572 em_width,
9573 em_advance,
9574 snapshot,
9575 gutter_hitbox: gutter_hitbox.clone(),
9576 text_hitbox: text_hitbox.clone(),
9577 inline_blame_bounds: inline_blame_layout
9578 .as_ref()
9579 .map(|layout| (layout.bounds, layout.buffer_id, layout.entry.clone())),
9580 display_hunks: display_hunks.clone(),
9581 diff_hunk_control_bounds,
9582 });
9583
9584 self.editor.update(cx, |editor, _| {
9585 editor.last_position_map = Some(position_map.clone())
9586 });
9587
9588 EditorLayout {
9589 mode,
9590 position_map,
9591 visible_display_row_range: start_row..end_row,
9592 wrap_guides,
9593 indent_guides,
9594 hitbox,
9595 gutter_hitbox,
9596 display_hunks,
9597 content_origin,
9598 scrollbars_layout,
9599 minimap,
9600 active_rows,
9601 highlighted_rows,
9602 highlighted_ranges,
9603 highlighted_gutter_ranges,
9604 redacted_ranges,
9605 document_colors,
9606 line_elements,
9607 line_numbers,
9608 blamed_display_rows,
9609 inline_diagnostics,
9610 inline_blame_layout,
9611 inline_code_actions,
9612 blocks,
9613 cursors,
9614 visible_cursors,
9615 selections,
9616 edit_prediction_popover,
9617 diff_hunk_controls,
9618 mouse_context_menu,
9619 test_indicators,
9620 breakpoints,
9621 crease_toggles,
9622 crease_trailers,
9623 tab_invisible,
9624 space_invisible,
9625 sticky_buffer_header,
9626 expand_toggles,
9627 }
9628 })
9629 })
9630 })
9631 }
9632
9633 fn paint(
9634 &mut self,
9635 _: Option<&GlobalElementId>,
9636 _inspector_id: Option<&gpui::InspectorElementId>,
9637 bounds: Bounds<gpui::Pixels>,
9638 _: &mut Self::RequestLayoutState,
9639 layout: &mut Self::PrepaintState,
9640 window: &mut Window,
9641 cx: &mut App,
9642 ) {
9643 if !layout.mode.is_minimap() {
9644 let focus_handle = self.editor.focus_handle(cx);
9645 let key_context = self
9646 .editor
9647 .update(cx, |editor, cx| editor.key_context(window, cx));
9648
9649 window.set_key_context(key_context);
9650 window.handle_input(
9651 &focus_handle,
9652 ElementInputHandler::new(bounds, self.editor.clone()),
9653 cx,
9654 );
9655 self.register_actions(window, cx);
9656 self.register_key_listeners(window, cx, layout);
9657 }
9658
9659 let text_style = TextStyleRefinement {
9660 font_size: Some(self.style.text.font_size),
9661 line_height: Some(self.style.text.line_height),
9662 ..Default::default()
9663 };
9664 let rem_size = self.rem_size(cx);
9665 window.with_rem_size(rem_size, |window| {
9666 window.with_text_style(Some(text_style), |window| {
9667 window.with_content_mask(Some(ContentMask { bounds }), |window| {
9668 self.paint_mouse_listeners(layout, window, cx);
9669 self.paint_background(layout, window, cx);
9670 self.paint_indent_guides(layout, window, cx);
9671
9672 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9673 self.paint_blamed_display_rows(layout, window, cx);
9674 self.paint_line_numbers(layout, window, cx);
9675 }
9676
9677 self.paint_text(layout, window, cx);
9678
9679 if layout.gutter_hitbox.size.width > Pixels::ZERO {
9680 self.paint_gutter_highlights(layout, window, cx);
9681 self.paint_gutter_indicators(layout, window, cx);
9682 }
9683
9684 if !layout.blocks.is_empty() {
9685 window.with_element_namespace("blocks", |window| {
9686 self.paint_blocks(layout, window, cx);
9687 });
9688 }
9689
9690 window.with_element_namespace("blocks", |window| {
9691 if let Some(mut sticky_header) = layout.sticky_buffer_header.take() {
9692 sticky_header.paint(window, cx)
9693 }
9694 });
9695
9696 self.paint_minimap(layout, window, cx);
9697 self.paint_scrollbars(layout, window, cx);
9698 self.paint_edit_prediction_popover(layout, window, cx);
9699 self.paint_mouse_context_menu(layout, window, cx);
9700 });
9701 })
9702 })
9703 }
9704}
9705
9706pub(super) fn gutter_bounds(
9707 editor_bounds: Bounds<Pixels>,
9708 gutter_dimensions: GutterDimensions,
9709) -> Bounds<Pixels> {
9710 Bounds {
9711 origin: editor_bounds.origin,
9712 size: size(gutter_dimensions.width, editor_bounds.size.height),
9713 }
9714}
9715
9716#[derive(Clone, Copy)]
9717struct ContextMenuLayout {
9718 y_flipped: bool,
9719 bounds: Bounds<Pixels>,
9720}
9721
9722/// Holds information required for layouting the editor scrollbars.
9723struct ScrollbarLayoutInformation {
9724 /// The bounds of the editor area (excluding the content offset).
9725 editor_bounds: Bounds<Pixels>,
9726 /// The available range to scroll within the document.
9727 scroll_range: Size<Pixels>,
9728 /// The space available for one glyph in the editor.
9729 glyph_grid_cell: Size<Pixels>,
9730}
9731
9732impl ScrollbarLayoutInformation {
9733 pub fn new(
9734 editor_bounds: Bounds<Pixels>,
9735 glyph_grid_cell: Size<Pixels>,
9736 document_size: Size<Pixels>,
9737 longest_line_blame_width: Pixels,
9738 settings: &EditorSettings,
9739 ) -> Self {
9740 let vertical_overscroll = match settings.scroll_beyond_last_line {
9741 ScrollBeyondLastLine::OnePage => editor_bounds.size.height,
9742 ScrollBeyondLastLine::Off => glyph_grid_cell.height,
9743 ScrollBeyondLastLine::VerticalScrollMargin => {
9744 (1.0 + settings.vertical_scroll_margin) as f32 * glyph_grid_cell.height
9745 }
9746 };
9747
9748 let overscroll = size(longest_line_blame_width, vertical_overscroll);
9749
9750 ScrollbarLayoutInformation {
9751 editor_bounds,
9752 scroll_range: document_size + overscroll,
9753 glyph_grid_cell,
9754 }
9755 }
9756}
9757
9758impl IntoElement for EditorElement {
9759 type Element = Self;
9760
9761 fn into_element(self) -> Self::Element {
9762 self
9763 }
9764}
9765
9766pub struct EditorLayout {
9767 position_map: Rc<PositionMap>,
9768 hitbox: Hitbox,
9769 gutter_hitbox: Hitbox,
9770 content_origin: gpui::Point<Pixels>,
9771 scrollbars_layout: Option<EditorScrollbars>,
9772 minimap: Option<MinimapLayout>,
9773 mode: EditorMode,
9774 wrap_guides: SmallVec<[(Pixels, bool); 2]>,
9775 indent_guides: Option<Vec<IndentGuideLayout>>,
9776 visible_display_row_range: Range<DisplayRow>,
9777 active_rows: BTreeMap<DisplayRow, LineHighlightSpec>,
9778 highlighted_rows: BTreeMap<DisplayRow, LineHighlight>,
9779 line_elements: SmallVec<[AnyElement; 1]>,
9780 line_numbers: Arc<HashMap<MultiBufferRow, LineNumberLayout>>,
9781 display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
9782 blamed_display_rows: Option<Vec<AnyElement>>,
9783 inline_diagnostics: HashMap<DisplayRow, AnyElement>,
9784 inline_blame_layout: Option<InlineBlameLayout>,
9785 inline_code_actions: Option<AnyElement>,
9786 blocks: Vec<BlockLayout>,
9787 highlighted_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9788 highlighted_gutter_ranges: Vec<(Range<DisplayPoint>, Hsla)>,
9789 redacted_ranges: Vec<Range<DisplayPoint>>,
9790 cursors: Vec<(DisplayPoint, Hsla)>,
9791 visible_cursors: Vec<CursorLayout>,
9792 selections: Vec<(PlayerColor, Vec<SelectionLayout>)>,
9793 test_indicators: Vec<AnyElement>,
9794 breakpoints: Vec<AnyElement>,
9795 crease_toggles: Vec<Option<AnyElement>>,
9796 expand_toggles: Vec<Option<(AnyElement, gpui::Point<Pixels>)>>,
9797 diff_hunk_controls: Vec<AnyElement>,
9798 crease_trailers: Vec<Option<CreaseTrailerLayout>>,
9799 edit_prediction_popover: Option<AnyElement>,
9800 mouse_context_menu: Option<AnyElement>,
9801 tab_invisible: ShapedLine,
9802 space_invisible: ShapedLine,
9803 sticky_buffer_header: Option<AnyElement>,
9804 document_colors: Option<(DocumentColorsRenderMode, Vec<(Range<DisplayPoint>, Hsla)>)>,
9805}
9806
9807impl EditorLayout {
9808 fn line_end_overshoot(&self) -> Pixels {
9809 0.15 * self.position_map.line_height
9810 }
9811}
9812
9813struct LineNumberSegment {
9814 shaped_line: ShapedLine,
9815 hitbox: Option<Hitbox>,
9816}
9817
9818struct LineNumberLayout {
9819 segments: Vec<LineNumberSegment>,
9820}
9821
9822struct ColoredRange<T> {
9823 start: T,
9824 end: T,
9825 color: Hsla,
9826}
9827
9828impl Along for ScrollbarAxes {
9829 type Unit = bool;
9830
9831 fn along(&self, axis: ScrollbarAxis) -> Self::Unit {
9832 match axis {
9833 ScrollbarAxis::Horizontal => self.horizontal,
9834 ScrollbarAxis::Vertical => self.vertical,
9835 }
9836 }
9837
9838 fn apply_along(&self, axis: ScrollbarAxis, f: impl FnOnce(Self::Unit) -> Self::Unit) -> Self {
9839 match axis {
9840 ScrollbarAxis::Horizontal => ScrollbarAxes {
9841 horizontal: f(self.horizontal),
9842 vertical: self.vertical,
9843 },
9844 ScrollbarAxis::Vertical => ScrollbarAxes {
9845 horizontal: self.horizontal,
9846 vertical: f(self.vertical),
9847 },
9848 }
9849 }
9850}
9851
9852#[derive(Clone)]
9853struct EditorScrollbars {
9854 pub vertical: Option<ScrollbarLayout>,
9855 pub horizontal: Option<ScrollbarLayout>,
9856 pub visible: bool,
9857}
9858
9859impl EditorScrollbars {
9860 pub fn from_scrollbar_axes(
9861 show_scrollbar: ScrollbarAxes,
9862 layout_information: &ScrollbarLayoutInformation,
9863 content_offset: gpui::Point<Pixels>,
9864 scroll_position: gpui::Point<f64>,
9865 scrollbar_width: Pixels,
9866 right_margin: Pixels,
9867 editor_width: Pixels,
9868 show_scrollbars: bool,
9869 scrollbar_state: Option<&ActiveScrollbarState>,
9870 window: &mut Window,
9871 ) -> Self {
9872 let ScrollbarLayoutInformation {
9873 editor_bounds,
9874 scroll_range,
9875 glyph_grid_cell,
9876 } = layout_information;
9877
9878 let viewport_size = size(editor_width, editor_bounds.size.height);
9879
9880 let scrollbar_bounds_for = |axis: ScrollbarAxis| match axis {
9881 ScrollbarAxis::Horizontal => Bounds::from_corner_and_size(
9882 Corner::BottomLeft,
9883 editor_bounds.bottom_left(),
9884 size(
9885 // The horizontal viewport size differs from the space available for the
9886 // horizontal scrollbar, so we have to manually stitch it together here.
9887 editor_bounds.size.width - right_margin,
9888 scrollbar_width,
9889 ),
9890 ),
9891 ScrollbarAxis::Vertical => Bounds::from_corner_and_size(
9892 Corner::TopRight,
9893 editor_bounds.top_right(),
9894 size(scrollbar_width, viewport_size.height),
9895 ),
9896 };
9897
9898 let mut create_scrollbar_layout = |axis| {
9899 let viewport_size = viewport_size.along(axis);
9900 let scroll_range = scroll_range.along(axis);
9901
9902 // We always want a vertical scrollbar track for scrollbar diagnostic visibility.
9903 (show_scrollbar.along(axis)
9904 && (axis == ScrollbarAxis::Vertical || scroll_range > viewport_size))
9905 .then(|| {
9906 ScrollbarLayout::new(
9907 window.insert_hitbox(scrollbar_bounds_for(axis), HitboxBehavior::Normal),
9908 viewport_size,
9909 scroll_range,
9910 glyph_grid_cell.along(axis),
9911 content_offset.along(axis),
9912 scroll_position.along(axis),
9913 show_scrollbars,
9914 axis,
9915 )
9916 .with_thumb_state(
9917 scrollbar_state.and_then(|state| state.thumb_state_for_axis(axis)),
9918 )
9919 })
9920 };
9921
9922 Self {
9923 vertical: create_scrollbar_layout(ScrollbarAxis::Vertical),
9924 horizontal: create_scrollbar_layout(ScrollbarAxis::Horizontal),
9925 visible: show_scrollbars,
9926 }
9927 }
9928
9929 pub fn iter_scrollbars(&self) -> impl Iterator<Item = (&ScrollbarLayout, ScrollbarAxis)> + '_ {
9930 [
9931 (&self.vertical, ScrollbarAxis::Vertical),
9932 (&self.horizontal, ScrollbarAxis::Horizontal),
9933 ]
9934 .into_iter()
9935 .filter_map(|(scrollbar, axis)| scrollbar.as_ref().map(|s| (s, axis)))
9936 }
9937
9938 /// Returns the currently hovered scrollbar axis, if any.
9939 pub fn get_hovered_axis(&self, window: &Window) -> Option<(&ScrollbarLayout, ScrollbarAxis)> {
9940 self.iter_scrollbars()
9941 .find(|s| s.0.hitbox.is_hovered(window))
9942 }
9943}
9944
9945#[derive(Clone)]
9946struct ScrollbarLayout {
9947 hitbox: Hitbox,
9948 visible_range: Range<ScrollOffset>,
9949 text_unit_size: Pixels,
9950 thumb_bounds: Option<Bounds<Pixels>>,
9951 thumb_state: ScrollbarThumbState,
9952}
9953
9954impl ScrollbarLayout {
9955 const BORDER_WIDTH: Pixels = px(1.0);
9956 const LINE_MARKER_HEIGHT: Pixels = px(2.0);
9957 const MIN_MARKER_HEIGHT: Pixels = px(5.0);
9958 const MIN_THUMB_SIZE: Pixels = px(25.0);
9959
9960 fn new(
9961 scrollbar_track_hitbox: Hitbox,
9962 viewport_size: Pixels,
9963 scroll_range: Pixels,
9964 glyph_space: Pixels,
9965 content_offset: Pixels,
9966 scroll_position: ScrollOffset,
9967 show_thumb: bool,
9968 axis: ScrollbarAxis,
9969 ) -> Self {
9970 let track_bounds = scrollbar_track_hitbox.bounds;
9971 // The length of the track available to the scrollbar thumb. We deliberately
9972 // exclude the content size here so that the thumb aligns with the content.
9973 let track_length = track_bounds.size.along(axis) - content_offset;
9974
9975 Self::new_with_hitbox_and_track_length(
9976 scrollbar_track_hitbox,
9977 track_length,
9978 viewport_size,
9979 scroll_range.into(),
9980 glyph_space,
9981 content_offset.into(),
9982 scroll_position,
9983 show_thumb,
9984 axis,
9985 )
9986 }
9987
9988 fn for_minimap(
9989 minimap_track_hitbox: Hitbox,
9990 visible_lines: f64,
9991 total_editor_lines: f64,
9992 minimap_line_height: Pixels,
9993 scroll_position: ScrollOffset,
9994 minimap_scroll_top: ScrollOffset,
9995 show_thumb: bool,
9996 ) -> Self {
9997 // The scrollbar thumb size is calculated as
9998 // (visible_content/total_content) Γ scrollbar_track_length.
9999 //
10000 // For the minimap's thumb layout, we leverage this by setting the
10001 // scrollbar track length to the entire document size (using minimap line
10002 // height). This creates a thumb that exactly represents the editor
10003 // viewport scaled to minimap proportions.
10004 //
10005 // We adjust the thumb position relative to `minimap_scroll_top` to
10006 // accommodate for the deliberately oversized track.
10007 //
10008 // This approach ensures that the minimap thumb accurately reflects the
10009 // editor's current scroll position whilst nicely synchronizing the minimap
10010 // thumb and scrollbar thumb.
10011 let scroll_range = total_editor_lines * f64::from(minimap_line_height);
10012 let viewport_size = visible_lines * f64::from(minimap_line_height);
10013
10014 let track_top_offset = -minimap_scroll_top * f64::from(minimap_line_height);
10015
10016 Self::new_with_hitbox_and_track_length(
10017 minimap_track_hitbox,
10018 Pixels::from(scroll_range),
10019 Pixels::from(viewport_size),
10020 scroll_range,
10021 minimap_line_height,
10022 track_top_offset,
10023 scroll_position,
10024 show_thumb,
10025 ScrollbarAxis::Vertical,
10026 )
10027 }
10028
10029 fn new_with_hitbox_and_track_length(
10030 scrollbar_track_hitbox: Hitbox,
10031 track_length: Pixels,
10032 viewport_size: Pixels,
10033 scroll_range: f64,
10034 glyph_space: Pixels,
10035 content_offset: ScrollOffset,
10036 scroll_position: ScrollOffset,
10037 show_thumb: bool,
10038 axis: ScrollbarAxis,
10039 ) -> Self {
10040 let text_units_per_page = f64::from(viewport_size / glyph_space);
10041 let visible_range = scroll_position..scroll_position + text_units_per_page;
10042 let total_text_units = scroll_range / f64::from(glyph_space);
10043
10044 let thumb_percentage = text_units_per_page / total_text_units;
10045 let thumb_size = Pixels::from(ScrollOffset::from(track_length) * thumb_percentage)
10046 .max(ScrollbarLayout::MIN_THUMB_SIZE)
10047 .min(track_length);
10048
10049 let text_unit_divisor = (total_text_units - text_units_per_page).max(0.);
10050
10051 let content_larger_than_viewport = text_unit_divisor > 0.;
10052
10053 let text_unit_size = if content_larger_than_viewport {
10054 Pixels::from(ScrollOffset::from(track_length - thumb_size) / text_unit_divisor)
10055 } else {
10056 glyph_space
10057 };
10058
10059 let thumb_bounds = (show_thumb && content_larger_than_viewport).then(|| {
10060 Self::thumb_bounds(
10061 &scrollbar_track_hitbox,
10062 content_offset,
10063 visible_range.start,
10064 text_unit_size,
10065 thumb_size,
10066 axis,
10067 )
10068 });
10069
10070 ScrollbarLayout {
10071 hitbox: scrollbar_track_hitbox,
10072 visible_range,
10073 text_unit_size,
10074 thumb_bounds,
10075 thumb_state: Default::default(),
10076 }
10077 }
10078
10079 fn with_thumb_state(self, thumb_state: Option<ScrollbarThumbState>) -> Self {
10080 if let Some(thumb_state) = thumb_state {
10081 Self {
10082 thumb_state,
10083 ..self
10084 }
10085 } else {
10086 self
10087 }
10088 }
10089
10090 fn thumb_bounds(
10091 scrollbar_track: &Hitbox,
10092 content_offset: f64,
10093 visible_range_start: f64,
10094 text_unit_size: Pixels,
10095 thumb_size: Pixels,
10096 axis: ScrollbarAxis,
10097 ) -> Bounds<Pixels> {
10098 let thumb_origin = scrollbar_track.origin.apply_along(axis, |origin| {
10099 origin
10100 + Pixels::from(
10101 content_offset + visible_range_start * ScrollOffset::from(text_unit_size),
10102 )
10103 });
10104 Bounds::new(
10105 thumb_origin,
10106 scrollbar_track.size.apply_along(axis, |_| thumb_size),
10107 )
10108 }
10109
10110 fn thumb_hovered(&self, position: &gpui::Point<Pixels>) -> bool {
10111 self.thumb_bounds
10112 .is_some_and(|bounds| bounds.contains(position))
10113 }
10114
10115 fn marker_quads_for_ranges(
10116 &self,
10117 row_ranges: impl IntoIterator<Item = ColoredRange<DisplayRow>>,
10118 column: Option<usize>,
10119 ) -> Vec<PaintQuad> {
10120 struct MinMax {
10121 min: Pixels,
10122 max: Pixels,
10123 }
10124 let (x_range, height_limit) = if let Some(column) = column {
10125 let column_width = ((self.hitbox.size.width - Self::BORDER_WIDTH) / 3.0).floor();
10126 let start = Self::BORDER_WIDTH + (column as f32 * column_width);
10127 let end = start + column_width;
10128 (
10129 Range { start, end },
10130 MinMax {
10131 min: Self::MIN_MARKER_HEIGHT,
10132 max: px(f32::MAX),
10133 },
10134 )
10135 } else {
10136 (
10137 Range {
10138 start: Self::BORDER_WIDTH,
10139 end: self.hitbox.size.width,
10140 },
10141 MinMax {
10142 min: Self::LINE_MARKER_HEIGHT,
10143 max: Self::LINE_MARKER_HEIGHT,
10144 },
10145 )
10146 };
10147
10148 let row_to_y = |row: DisplayRow| row.as_f64() as f32 * self.text_unit_size;
10149 let mut pixel_ranges = row_ranges
10150 .into_iter()
10151 .map(|range| {
10152 let start_y = row_to_y(range.start);
10153 let end_y = row_to_y(range.end)
10154 + self
10155 .text_unit_size
10156 .max(height_limit.min)
10157 .min(height_limit.max);
10158 ColoredRange {
10159 start: start_y,
10160 end: end_y,
10161 color: range.color,
10162 }
10163 })
10164 .peekable();
10165
10166 let mut quads = Vec::new();
10167 while let Some(mut pixel_range) = pixel_ranges.next() {
10168 while let Some(next_pixel_range) = pixel_ranges.peek() {
10169 if pixel_range.end >= next_pixel_range.start - px(1.0)
10170 && pixel_range.color == next_pixel_range.color
10171 {
10172 pixel_range.end = next_pixel_range.end.max(pixel_range.end);
10173 pixel_ranges.next();
10174 } else {
10175 break;
10176 }
10177 }
10178
10179 let bounds = Bounds::from_corners(
10180 point(x_range.start, pixel_range.start),
10181 point(x_range.end, pixel_range.end),
10182 );
10183 quads.push(quad(
10184 bounds,
10185 Corners::default(),
10186 pixel_range.color,
10187 Edges::default(),
10188 Hsla::transparent_black(),
10189 BorderStyle::default(),
10190 ));
10191 }
10192
10193 quads
10194 }
10195}
10196
10197struct MinimapLayout {
10198 pub minimap: AnyElement,
10199 pub thumb_layout: ScrollbarLayout,
10200 pub minimap_scroll_top: ScrollOffset,
10201 pub minimap_line_height: Pixels,
10202 pub thumb_border_style: MinimapThumbBorder,
10203 pub max_scroll_top: ScrollOffset,
10204}
10205
10206impl MinimapLayout {
10207 /// The minimum width of the minimap in columns. If the minimap is smaller than this, it will be hidden.
10208 const MINIMAP_MIN_WIDTH_COLUMNS: f32 = 20.;
10209 /// The minimap width as a percentage of the editor width.
10210 const MINIMAP_WIDTH_PCT: f32 = 0.15;
10211 /// Calculates the scroll top offset the minimap editor has to have based on the
10212 /// current scroll progress.
10213 fn calculate_minimap_top_offset(
10214 document_lines: f64,
10215 visible_editor_lines: f64,
10216 visible_minimap_lines: f64,
10217 scroll_position: f64,
10218 ) -> ScrollOffset {
10219 let non_visible_document_lines = (document_lines - visible_editor_lines).max(0.);
10220 if non_visible_document_lines == 0. {
10221 0.
10222 } else {
10223 let scroll_percentage = (scroll_position / non_visible_document_lines).clamp(0., 1.);
10224 scroll_percentage * (document_lines - visible_minimap_lines).max(0.)
10225 }
10226 }
10227}
10228
10229struct CreaseTrailerLayout {
10230 element: AnyElement,
10231 bounds: Bounds<Pixels>,
10232}
10233
10234pub(crate) struct PositionMap {
10235 pub size: Size<Pixels>,
10236 pub line_height: Pixels,
10237 pub scroll_position: gpui::Point<ScrollOffset>,
10238 pub scroll_pixel_position: gpui::Point<ScrollPixelOffset>,
10239 pub scroll_max: gpui::Point<ScrollOffset>,
10240 pub em_width: Pixels,
10241 pub em_advance: Pixels,
10242 pub visible_row_range: Range<DisplayRow>,
10243 pub line_layouts: Vec<LineWithInvisibles>,
10244 pub snapshot: EditorSnapshot,
10245 pub text_hitbox: Hitbox,
10246 pub gutter_hitbox: Hitbox,
10247 pub inline_blame_bounds: Option<(Bounds<Pixels>, BufferId, BlameEntry)>,
10248 pub display_hunks: Vec<(DisplayDiffHunk, Option<Hitbox>)>,
10249 pub diff_hunk_control_bounds: Vec<(DisplayRow, Bounds<Pixels>)>,
10250}
10251
10252#[derive(Debug, Copy, Clone)]
10253pub struct PointForPosition {
10254 pub previous_valid: DisplayPoint,
10255 pub next_valid: DisplayPoint,
10256 pub exact_unclipped: DisplayPoint,
10257 pub column_overshoot_after_line_end: u32,
10258}
10259
10260impl PointForPosition {
10261 pub fn as_valid(&self) -> Option<DisplayPoint> {
10262 if self.previous_valid == self.exact_unclipped && self.next_valid == self.exact_unclipped {
10263 Some(self.previous_valid)
10264 } else {
10265 None
10266 }
10267 }
10268
10269 pub fn intersects_selection(&self, selection: &Selection<DisplayPoint>) -> bool {
10270 let Some(valid_point) = self.as_valid() else {
10271 return false;
10272 };
10273 let range = selection.range();
10274
10275 let candidate_row = valid_point.row();
10276 let candidate_col = valid_point.column();
10277
10278 let start_row = range.start.row();
10279 let start_col = range.start.column();
10280 let end_row = range.end.row();
10281 let end_col = range.end.column();
10282
10283 if candidate_row < start_row || candidate_row > end_row {
10284 false
10285 } else if start_row == end_row {
10286 candidate_col >= start_col && candidate_col < end_col
10287 } else if candidate_row == start_row {
10288 candidate_col >= start_col
10289 } else if candidate_row == end_row {
10290 candidate_col < end_col
10291 } else {
10292 true
10293 }
10294 }
10295}
10296
10297impl PositionMap {
10298 pub(crate) fn point_for_position(&self, position: gpui::Point<Pixels>) -> PointForPosition {
10299 let text_bounds = self.text_hitbox.bounds;
10300 let scroll_position = self.snapshot.scroll_position();
10301 let position = position - text_bounds.origin;
10302 let y = position.y.max(px(0.)).min(self.size.height);
10303 let x = position.x + (scroll_position.x as f32 * self.em_advance);
10304 let row = ((y / self.line_height) as f64 + scroll_position.y) as u32;
10305
10306 let (column, x_overshoot_after_line_end) = if let Some(line) = self
10307 .line_layouts
10308 .get(row as usize - scroll_position.y as usize)
10309 {
10310 if let Some(ix) = line.index_for_x(x) {
10311 (ix as u32, px(0.))
10312 } else {
10313 (line.len as u32, px(0.).max(x - line.width))
10314 }
10315 } else {
10316 (0, x)
10317 };
10318
10319 let mut exact_unclipped = DisplayPoint::new(DisplayRow(row), column);
10320 let previous_valid = self.snapshot.clip_point(exact_unclipped, Bias::Left);
10321 let next_valid = self.snapshot.clip_point(exact_unclipped, Bias::Right);
10322
10323 let column_overshoot_after_line_end = (x_overshoot_after_line_end / self.em_advance) as u32;
10324 *exact_unclipped.column_mut() += column_overshoot_after_line_end;
10325 PointForPosition {
10326 previous_valid,
10327 next_valid,
10328 exact_unclipped,
10329 column_overshoot_after_line_end,
10330 }
10331 }
10332}
10333
10334struct BlockLayout {
10335 id: BlockId,
10336 x_offset: Pixels,
10337 row: Option<DisplayRow>,
10338 element: AnyElement,
10339 available_space: Size<AvailableSpace>,
10340 style: BlockStyle,
10341 overlaps_gutter: bool,
10342 is_buffer_header: bool,
10343}
10344
10345pub fn layout_line(
10346 row: DisplayRow,
10347 snapshot: &EditorSnapshot,
10348 style: &EditorStyle,
10349 text_width: Pixels,
10350 is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
10351 window: &mut Window,
10352 cx: &mut App,
10353) -> LineWithInvisibles {
10354 let chunks = snapshot.highlighted_chunks(row..row + DisplayRow(1), true, style);
10355 LineWithInvisibles::from_chunks(
10356 chunks,
10357 style,
10358 MAX_LINE_LEN,
10359 1,
10360 &snapshot.mode,
10361 text_width,
10362 is_row_soft_wrapped,
10363 &[],
10364 window,
10365 cx,
10366 )
10367 .pop()
10368 .unwrap()
10369}
10370
10371#[derive(Debug)]
10372pub struct IndentGuideLayout {
10373 origin: gpui::Point<Pixels>,
10374 length: Pixels,
10375 single_indent_width: Pixels,
10376 depth: u32,
10377 active: bool,
10378 settings: IndentGuideSettings,
10379}
10380
10381pub struct CursorLayout {
10382 origin: gpui::Point<Pixels>,
10383 block_width: Pixels,
10384 line_height: Pixels,
10385 color: Hsla,
10386 shape: CursorShape,
10387 block_text: Option<ShapedLine>,
10388 cursor_name: Option<AnyElement>,
10389}
10390
10391#[derive(Debug)]
10392pub struct CursorName {
10393 string: SharedString,
10394 color: Hsla,
10395 is_top_row: bool,
10396}
10397
10398impl CursorLayout {
10399 pub fn new(
10400 origin: gpui::Point<Pixels>,
10401 block_width: Pixels,
10402 line_height: Pixels,
10403 color: Hsla,
10404 shape: CursorShape,
10405 block_text: Option<ShapedLine>,
10406 ) -> CursorLayout {
10407 CursorLayout {
10408 origin,
10409 block_width,
10410 line_height,
10411 color,
10412 shape,
10413 block_text,
10414 cursor_name: None,
10415 }
10416 }
10417
10418 pub fn bounding_rect(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10419 Bounds {
10420 origin: self.origin + origin,
10421 size: size(self.block_width, self.line_height),
10422 }
10423 }
10424
10425 fn bounds(&self, origin: gpui::Point<Pixels>) -> Bounds<Pixels> {
10426 match self.shape {
10427 CursorShape::Bar => Bounds {
10428 origin: self.origin + origin,
10429 size: size(px(2.0), self.line_height),
10430 },
10431 CursorShape::Block | CursorShape::Hollow => Bounds {
10432 origin: self.origin + origin,
10433 size: size(self.block_width, self.line_height),
10434 },
10435 CursorShape::Underline => Bounds {
10436 origin: self.origin
10437 + origin
10438 + gpui::Point::new(Pixels::ZERO, self.line_height - px(2.0)),
10439 size: size(self.block_width, px(2.0)),
10440 },
10441 }
10442 }
10443
10444 pub fn layout(
10445 &mut self,
10446 origin: gpui::Point<Pixels>,
10447 cursor_name: Option<CursorName>,
10448 window: &mut Window,
10449 cx: &mut App,
10450 ) {
10451 if let Some(cursor_name) = cursor_name {
10452 let bounds = self.bounds(origin);
10453 let text_size = self.line_height / 1.5;
10454
10455 let name_origin = if cursor_name.is_top_row {
10456 point(bounds.right() - px(1.), bounds.top())
10457 } else {
10458 match self.shape {
10459 CursorShape::Bar => point(
10460 bounds.right() - px(2.),
10461 bounds.top() - text_size / 2. - px(1.),
10462 ),
10463 _ => point(
10464 bounds.right() - px(1.),
10465 bounds.top() - text_size / 2. - px(1.),
10466 ),
10467 }
10468 };
10469 let mut name_element = div()
10470 .bg(self.color)
10471 .text_size(text_size)
10472 .px_0p5()
10473 .line_height(text_size + px(2.))
10474 .text_color(cursor_name.color)
10475 .child(cursor_name.string)
10476 .into_any_element();
10477
10478 name_element.prepaint_as_root(name_origin, AvailableSpace::min_size(), window, cx);
10479
10480 self.cursor_name = Some(name_element);
10481 }
10482 }
10483
10484 pub fn paint(&mut self, origin: gpui::Point<Pixels>, window: &mut Window, cx: &mut App) {
10485 let bounds = self.bounds(origin);
10486
10487 //Draw background or border quad
10488 let cursor = if matches!(self.shape, CursorShape::Hollow) {
10489 outline(bounds, self.color, BorderStyle::Solid)
10490 } else {
10491 fill(bounds, self.color)
10492 };
10493
10494 if let Some(name) = &mut self.cursor_name {
10495 name.paint(window, cx);
10496 }
10497
10498 window.paint_quad(cursor);
10499
10500 if let Some(block_text) = &self.block_text {
10501 block_text
10502 .paint(self.origin + origin, self.line_height, window, cx)
10503 .log_err();
10504 }
10505 }
10506
10507 pub fn shape(&self) -> CursorShape {
10508 self.shape
10509 }
10510}
10511
10512#[derive(Debug)]
10513pub struct HighlightedRange {
10514 pub start_y: Pixels,
10515 pub line_height: Pixels,
10516 pub lines: Vec<HighlightedRangeLine>,
10517 pub color: Hsla,
10518 pub corner_radius: Pixels,
10519}
10520
10521#[derive(Debug)]
10522pub struct HighlightedRangeLine {
10523 pub start_x: Pixels,
10524 pub end_x: Pixels,
10525}
10526
10527impl HighlightedRange {
10528 pub fn paint(&self, fill: bool, bounds: Bounds<Pixels>, window: &mut Window) {
10529 if self.lines.len() >= 2 && self.lines[0].start_x > self.lines[1].end_x {
10530 self.paint_lines(self.start_y, &self.lines[0..1], fill, bounds, window);
10531 self.paint_lines(
10532 self.start_y + self.line_height,
10533 &self.lines[1..],
10534 fill,
10535 bounds,
10536 window,
10537 );
10538 } else {
10539 self.paint_lines(self.start_y, &self.lines, fill, bounds, window);
10540 }
10541 }
10542
10543 fn paint_lines(
10544 &self,
10545 start_y: Pixels,
10546 lines: &[HighlightedRangeLine],
10547 fill: bool,
10548 _bounds: Bounds<Pixels>,
10549 window: &mut Window,
10550 ) {
10551 if lines.is_empty() {
10552 return;
10553 }
10554
10555 let first_line = lines.first().unwrap();
10556 let last_line = lines.last().unwrap();
10557
10558 let first_top_left = point(first_line.start_x, start_y);
10559 let first_top_right = point(first_line.end_x, start_y);
10560
10561 let curve_height = point(Pixels::ZERO, self.corner_radius);
10562 let curve_width = |start_x: Pixels, end_x: Pixels| {
10563 let max = (end_x - start_x) / 2.;
10564 let width = if max < self.corner_radius {
10565 max
10566 } else {
10567 self.corner_radius
10568 };
10569
10570 point(width, Pixels::ZERO)
10571 };
10572
10573 let top_curve_width = curve_width(first_line.start_x, first_line.end_x);
10574 let mut builder = if fill {
10575 gpui::PathBuilder::fill()
10576 } else {
10577 gpui::PathBuilder::stroke(px(1.))
10578 };
10579 builder.move_to(first_top_right - top_curve_width);
10580 builder.curve_to(first_top_right + curve_height, first_top_right);
10581
10582 let mut iter = lines.iter().enumerate().peekable();
10583 while let Some((ix, line)) = iter.next() {
10584 let bottom_right = point(line.end_x, start_y + (ix + 1) as f32 * self.line_height);
10585
10586 if let Some((_, next_line)) = iter.peek() {
10587 let next_top_right = point(next_line.end_x, bottom_right.y);
10588
10589 match next_top_right.x.partial_cmp(&bottom_right.x).unwrap() {
10590 Ordering::Equal => {
10591 builder.line_to(bottom_right);
10592 }
10593 Ordering::Less => {
10594 let curve_width = curve_width(next_top_right.x, bottom_right.x);
10595 builder.line_to(bottom_right - curve_height);
10596 if self.corner_radius > Pixels::ZERO {
10597 builder.curve_to(bottom_right - curve_width, bottom_right);
10598 }
10599 builder.line_to(next_top_right + curve_width);
10600 if self.corner_radius > Pixels::ZERO {
10601 builder.curve_to(next_top_right + curve_height, next_top_right);
10602 }
10603 }
10604 Ordering::Greater => {
10605 let curve_width = curve_width(bottom_right.x, next_top_right.x);
10606 builder.line_to(bottom_right - curve_height);
10607 if self.corner_radius > Pixels::ZERO {
10608 builder.curve_to(bottom_right + curve_width, bottom_right);
10609 }
10610 builder.line_to(next_top_right - curve_width);
10611 if self.corner_radius > Pixels::ZERO {
10612 builder.curve_to(next_top_right + curve_height, next_top_right);
10613 }
10614 }
10615 }
10616 } else {
10617 let curve_width = curve_width(line.start_x, line.end_x);
10618 builder.line_to(bottom_right - curve_height);
10619 if self.corner_radius > Pixels::ZERO {
10620 builder.curve_to(bottom_right - curve_width, bottom_right);
10621 }
10622
10623 let bottom_left = point(line.start_x, bottom_right.y);
10624 builder.line_to(bottom_left + curve_width);
10625 if self.corner_radius > Pixels::ZERO {
10626 builder.curve_to(bottom_left - curve_height, bottom_left);
10627 }
10628 }
10629 }
10630
10631 if first_line.start_x > last_line.start_x {
10632 let curve_width = curve_width(last_line.start_x, first_line.start_x);
10633 let second_top_left = point(last_line.start_x, start_y + self.line_height);
10634 builder.line_to(second_top_left + curve_height);
10635 if self.corner_radius > Pixels::ZERO {
10636 builder.curve_to(second_top_left + curve_width, second_top_left);
10637 }
10638 let first_bottom_left = point(first_line.start_x, second_top_left.y);
10639 builder.line_to(first_bottom_left - curve_width);
10640 if self.corner_radius > Pixels::ZERO {
10641 builder.curve_to(first_bottom_left - curve_height, first_bottom_left);
10642 }
10643 }
10644
10645 builder.line_to(first_top_left + curve_height);
10646 if self.corner_radius > Pixels::ZERO {
10647 builder.curve_to(first_top_left + top_curve_width, first_top_left);
10648 }
10649 builder.line_to(first_top_right - top_curve_width);
10650
10651 if let Ok(path) = builder.build() {
10652 window.paint_path(path, self.color);
10653 }
10654 }
10655}
10656
10657enum CursorPopoverType {
10658 CodeContextMenu,
10659 EditPrediction,
10660}
10661
10662pub fn scale_vertical_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10663 (delta.pow(1.2) / 100.0).min(px(3.0)).into()
10664}
10665
10666fn scale_horizontal_mouse_autoscroll_delta(delta: Pixels) -> f32 {
10667 (delta.pow(1.2) / 300.0).into()
10668}
10669
10670pub fn register_action<T: Action>(
10671 editor: &Entity<Editor>,
10672 window: &mut Window,
10673 listener: impl Fn(&mut Editor, &T, &mut Window, &mut Context<Editor>) + 'static,
10674) {
10675 let editor = editor.clone();
10676 window.on_action(TypeId::of::<T>(), move |action, phase, window, cx| {
10677 let action = action.downcast_ref().unwrap();
10678 if phase == DispatchPhase::Bubble {
10679 editor.update(cx, |editor, cx| {
10680 listener(editor, action, window, cx);
10681 })
10682 }
10683 })
10684}
10685
10686fn compute_auto_height_layout(
10687 editor: &mut Editor,
10688 min_lines: usize,
10689 max_lines: Option<usize>,
10690 max_line_number_width: Pixels,
10691 known_dimensions: Size<Option<Pixels>>,
10692 available_width: AvailableSpace,
10693 window: &mut Window,
10694 cx: &mut Context<Editor>,
10695) -> Option<Size<Pixels>> {
10696 let width = known_dimensions.width.or({
10697 if let AvailableSpace::Definite(available_width) = available_width {
10698 Some(available_width)
10699 } else {
10700 None
10701 }
10702 })?;
10703 if let Some(height) = known_dimensions.height {
10704 return Some(size(width, height));
10705 }
10706
10707 let style = editor.style.as_ref().unwrap();
10708 let font_id = window.text_system().resolve_font(&style.text.font());
10709 let font_size = style.text.font_size.to_pixels(window.rem_size());
10710 let line_height = style.text.line_height_in_pixels(window.rem_size());
10711 let em_width = window.text_system().em_width(font_id, font_size).unwrap();
10712
10713 let mut snapshot = editor.snapshot(window, cx);
10714 let gutter_dimensions = snapshot
10715 .gutter_dimensions(font_id, font_size, max_line_number_width, cx)
10716 .or_else(|| {
10717 editor
10718 .offset_content
10719 .then(|| GutterDimensions::default_with_margin(font_id, font_size, cx))
10720 })
10721 .unwrap_or_default();
10722
10723 editor.gutter_dimensions = gutter_dimensions;
10724 let text_width = width - gutter_dimensions.width;
10725 let overscroll = size(em_width, px(0.));
10726
10727 let editor_width = text_width - gutter_dimensions.margin - overscroll.width - em_width;
10728 if !matches!(editor.soft_wrap_mode(cx), SoftWrap::None)
10729 && editor.set_wrap_width(Some(editor_width), cx)
10730 {
10731 snapshot = editor.snapshot(window, cx);
10732 }
10733
10734 let scroll_height = (snapshot.max_point().row().next_row().0 as f32) * line_height;
10735
10736 let min_height = line_height * min_lines as f32;
10737 let content_height = scroll_height.max(min_height);
10738
10739 let final_height = if let Some(max_lines) = max_lines {
10740 let max_height = line_height * max_lines as f32;
10741 content_height.min(max_height)
10742 } else {
10743 content_height
10744 };
10745
10746 Some(size(width, final_height))
10747}
10748
10749#[cfg(test)]
10750mod tests {
10751 use super::*;
10752 use crate::{
10753 Editor, MultiBuffer, SelectionEffects,
10754 display_map::{BlockPlacement, BlockProperties},
10755 editor_tests::{init_test, update_test_language_settings},
10756 };
10757 use gpui::{TestAppContext, VisualTestContext};
10758 use language::language_settings;
10759 use log::info;
10760 use std::num::NonZeroU32;
10761 use util::test::sample_text;
10762
10763 #[gpui::test]
10764 async fn test_soft_wrap_editor_width_auto_height_editor(cx: &mut TestAppContext) {
10765 init_test(cx, |_| {});
10766
10767 let window = cx.add_window(|window, cx| {
10768 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10769 let mut editor = Editor::new(
10770 EditorMode::AutoHeight {
10771 min_lines: 1,
10772 max_lines: None,
10773 },
10774 buffer,
10775 None,
10776 window,
10777 cx,
10778 );
10779 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10780 editor
10781 });
10782 let cx = &mut VisualTestContext::from_window(*window, cx);
10783 let editor = window.root(cx).unwrap();
10784 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10785
10786 for x in 1..=100 {
10787 let (_, state) = cx.draw(
10788 Default::default(),
10789 size(px(200. + 0.13 * x as f32), px(500.)),
10790 |_, _| EditorElement::new(&editor, style.clone()),
10791 );
10792
10793 assert!(
10794 state.position_map.scroll_max.x == 0.,
10795 "Soft wrapped editor should have no horizontal scrolling!"
10796 );
10797 }
10798 }
10799
10800 #[gpui::test]
10801 async fn test_soft_wrap_editor_width_full_editor(cx: &mut TestAppContext) {
10802 init_test(cx, |_| {});
10803
10804 let window = cx.add_window(|window, cx| {
10805 let buffer = MultiBuffer::build_simple(&"a ".to_string().repeat(100), cx);
10806 let mut editor = Editor::new(EditorMode::full(), buffer, None, window, cx);
10807 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
10808 editor
10809 });
10810 let cx = &mut VisualTestContext::from_window(*window, cx);
10811 let editor = window.root(cx).unwrap();
10812 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
10813
10814 for x in 1..=100 {
10815 let (_, state) = cx.draw(
10816 Default::default(),
10817 size(px(200. + 0.13 * x as f32), px(500.)),
10818 |_, _| EditorElement::new(&editor, style.clone()),
10819 );
10820
10821 assert!(
10822 state.position_map.scroll_max.x == 0.,
10823 "Soft wrapped editor should have no horizontal scrolling!"
10824 );
10825 }
10826 }
10827
10828 #[gpui::test]
10829 fn test_shape_line_numbers(cx: &mut TestAppContext) {
10830 init_test(cx, |_| {});
10831 let window = cx.add_window(|window, cx| {
10832 let buffer = MultiBuffer::build_simple(&sample_text(6, 6, 'a'), cx);
10833 Editor::new(EditorMode::full(), buffer, None, window, cx)
10834 });
10835
10836 let editor = window.root(cx).unwrap();
10837 let style = cx.update(|cx| editor.read(cx).style().unwrap().clone());
10838 let line_height = window
10839 .update(cx, |_, window, _| {
10840 style.text.line_height_in_pixels(window.rem_size())
10841 })
10842 .unwrap();
10843 let element = EditorElement::new(&editor, style);
10844 let snapshot = window
10845 .update(cx, |editor, window, cx| editor.snapshot(window, cx))
10846 .unwrap();
10847
10848 let layouts = cx
10849 .update_window(*window, |_, window, cx| {
10850 element.layout_line_numbers(
10851 None,
10852 GutterDimensions {
10853 left_padding: Pixels::ZERO,
10854 right_padding: Pixels::ZERO,
10855 width: px(30.0),
10856 margin: Pixels::ZERO,
10857 git_blame_entries_width: None,
10858 },
10859 line_height,
10860 gpui::Point::default(),
10861 DisplayRow(0)..DisplayRow(6),
10862 &(0..6)
10863 .map(|row| RowInfo {
10864 buffer_row: Some(row),
10865 ..Default::default()
10866 })
10867 .collect::<Vec<_>>(),
10868 &BTreeMap::default(),
10869 Some(DisplayPoint::new(DisplayRow(0), 0)),
10870 &snapshot,
10871 window,
10872 cx,
10873 )
10874 })
10875 .unwrap();
10876 assert_eq!(layouts.len(), 6);
10877
10878 let relative_rows = window
10879 .update(cx, |editor, window, cx| {
10880 let snapshot = editor.snapshot(window, cx);
10881 element.calculate_relative_line_numbers(
10882 &snapshot,
10883 &(DisplayRow(0)..DisplayRow(6)),
10884 Some(DisplayRow(3)),
10885 false,
10886 )
10887 })
10888 .unwrap();
10889 assert_eq!(relative_rows[&DisplayRow(0)], 3);
10890 assert_eq!(relative_rows[&DisplayRow(1)], 2);
10891 assert_eq!(relative_rows[&DisplayRow(2)], 1);
10892 // current line has no relative number
10893 assert_eq!(relative_rows[&DisplayRow(4)], 1);
10894 assert_eq!(relative_rows[&DisplayRow(5)], 2);
10895
10896 // works if cursor is before screen
10897 let relative_rows = window
10898 .update(cx, |editor, window, cx| {
10899 let snapshot = editor.snapshot(window, cx);
10900 element.calculate_relative_line_numbers(
10901 &snapshot,
10902 &(DisplayRow(3)..DisplayRow(6)),
10903 Some(DisplayRow(1)),
10904 false,
10905 )
10906 })
10907 .unwrap();
10908 assert_eq!(relative_rows.len(), 3);
10909 assert_eq!(relative_rows[&DisplayRow(3)], 2);
10910 assert_eq!(relative_rows[&DisplayRow(4)], 3);
10911 assert_eq!(relative_rows[&DisplayRow(5)], 4);
10912
10913 // works if cursor is after screen
10914 let relative_rows = window
10915 .update(cx, |editor, window, cx| {
10916 let snapshot = editor.snapshot(window, cx);
10917 element.calculate_relative_line_numbers(
10918 &snapshot,
10919 &(DisplayRow(0)..DisplayRow(3)),
10920 Some(DisplayRow(6)),
10921 false,
10922 )
10923 })
10924 .unwrap();
10925 assert_eq!(relative_rows.len(), 3);
10926 assert_eq!(relative_rows[&DisplayRow(0)], 5);
10927 assert_eq!(relative_rows[&DisplayRow(1)], 4);
10928 assert_eq!(relative_rows[&DisplayRow(2)], 3);
10929 }
10930
10931 #[gpui::test]
10932 fn test_shape_line_numbers_wrapping(cx: &mut TestAppContext) {
10933 init_test(cx, |_| {});
10934 let window = cx.add_window(|window, cx| {
10935 let buffer = MultiBuffer::build_simple(&sample_text(6, 6, 'a'), cx);
10936 Editor::new(EditorMode::full(), buffer, None, window, cx)
10937 });
10938
10939 update_test_language_settings(cx, |s| {
10940 s.defaults.preferred_line_length = Some(5 as u32);
10941 s.defaults.soft_wrap = Some(language_settings::SoftWrap::PreferredLineLength);
10942 });
10943
10944 let editor = window.root(cx).unwrap();
10945 let style = cx.update(|cx| editor.read(cx).style().unwrap().clone());
10946 let line_height = window
10947 .update(cx, |_, window, _| {
10948 style.text.line_height_in_pixels(window.rem_size())
10949 })
10950 .unwrap();
10951 let element = EditorElement::new(&editor, style);
10952 let snapshot = window
10953 .update(cx, |editor, window, cx| editor.snapshot(window, cx))
10954 .unwrap();
10955
10956 let layouts = cx
10957 .update_window(*window, |_, window, cx| {
10958 element.layout_line_numbers(
10959 None,
10960 GutterDimensions {
10961 left_padding: Pixels::ZERO,
10962 right_padding: Pixels::ZERO,
10963 width: px(30.0),
10964 margin: Pixels::ZERO,
10965 git_blame_entries_width: None,
10966 },
10967 line_height,
10968 gpui::Point::default(),
10969 DisplayRow(0)..DisplayRow(6),
10970 &(0..6)
10971 .map(|row| RowInfo {
10972 buffer_row: Some(row),
10973 ..Default::default()
10974 })
10975 .collect::<Vec<_>>(),
10976 &BTreeMap::default(),
10977 Some(DisplayPoint::new(DisplayRow(0), 0)),
10978 &snapshot,
10979 window,
10980 cx,
10981 )
10982 })
10983 .unwrap();
10984 assert_eq!(layouts.len(), 6);
10985
10986 let relative_rows = window
10987 .update(cx, |editor, window, cx| {
10988 let snapshot = editor.snapshot(window, cx);
10989 element.calculate_relative_line_numbers(
10990 &snapshot,
10991 &(DisplayRow(0)..DisplayRow(6)),
10992 Some(DisplayRow(3)),
10993 true,
10994 )
10995 })
10996 .unwrap();
10997 dbg!(&relative_rows);
10998 assert_eq!(relative_rows[&DisplayRow(0)], 3);
10999 assert_eq!(relative_rows[&DisplayRow(1)], 2);
11000 assert_eq!(relative_rows[&DisplayRow(2)], 1);
11001 // current line has no relative number
11002 assert_eq!(relative_rows[&DisplayRow(4)], 1);
11003 assert_eq!(relative_rows[&DisplayRow(5)], 2);
11004 }
11005
11006 #[gpui::test]
11007 async fn test_vim_visual_selections(cx: &mut TestAppContext) {
11008 init_test(cx, |_| {});
11009
11010 let window = cx.add_window(|window, cx| {
11011 let buffer = MultiBuffer::build_simple(&(sample_text(6, 6, 'a') + "\n"), cx);
11012 Editor::new(EditorMode::full(), buffer, None, window, cx)
11013 });
11014 let cx = &mut VisualTestContext::from_window(*window, cx);
11015 let editor = window.root(cx).unwrap();
11016 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
11017
11018 window
11019 .update(cx, |editor, window, cx| {
11020 editor.cursor_shape = CursorShape::Block;
11021 editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {
11022 s.select_ranges([
11023 Point::new(0, 0)..Point::new(1, 0),
11024 Point::new(3, 2)..Point::new(3, 3),
11025 Point::new(5, 6)..Point::new(6, 0),
11026 ]);
11027 });
11028 })
11029 .unwrap();
11030
11031 let (_, state) = cx.draw(
11032 point(px(500.), px(500.)),
11033 size(px(500.), px(500.)),
11034 |_, _| EditorElement::new(&editor, style),
11035 );
11036
11037 assert_eq!(state.selections.len(), 1);
11038 let local_selections = &state.selections[0].1;
11039 assert_eq!(local_selections.len(), 3);
11040 // moves cursor back one line
11041 assert_eq!(
11042 local_selections[0].head,
11043 DisplayPoint::new(DisplayRow(0), 6)
11044 );
11045 assert_eq!(
11046 local_selections[0].range,
11047 DisplayPoint::new(DisplayRow(0), 0)..DisplayPoint::new(DisplayRow(1), 0)
11048 );
11049
11050 // moves cursor back one column
11051 assert_eq!(
11052 local_selections[1].range,
11053 DisplayPoint::new(DisplayRow(3), 2)..DisplayPoint::new(DisplayRow(3), 3)
11054 );
11055 assert_eq!(
11056 local_selections[1].head,
11057 DisplayPoint::new(DisplayRow(3), 2)
11058 );
11059
11060 // leaves cursor on the max point
11061 assert_eq!(
11062 local_selections[2].range,
11063 DisplayPoint::new(DisplayRow(5), 6)..DisplayPoint::new(DisplayRow(6), 0)
11064 );
11065 assert_eq!(
11066 local_selections[2].head,
11067 DisplayPoint::new(DisplayRow(6), 0)
11068 );
11069
11070 // active lines does not include 1 (even though the range of the selection does)
11071 assert_eq!(
11072 state.active_rows.keys().cloned().collect::<Vec<_>>(),
11073 vec![DisplayRow(0), DisplayRow(3), DisplayRow(5), DisplayRow(6)]
11074 );
11075 }
11076
11077 #[gpui::test]
11078 fn test_layout_with_placeholder_text_and_blocks(cx: &mut TestAppContext) {
11079 init_test(cx, |_| {});
11080
11081 let window = cx.add_window(|window, cx| {
11082 let buffer = MultiBuffer::build_simple("", cx);
11083 Editor::new(EditorMode::full(), buffer, None, window, cx)
11084 });
11085 let cx = &mut VisualTestContext::from_window(*window, cx);
11086 let editor = window.root(cx).unwrap();
11087 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
11088 window
11089 .update(cx, |editor, window, cx| {
11090 editor.set_placeholder_text("hello", window, cx);
11091 editor.insert_blocks(
11092 [BlockProperties {
11093 style: BlockStyle::Fixed,
11094 placement: BlockPlacement::Above(Anchor::min()),
11095 height: Some(3),
11096 render: Arc::new(|cx| div().h(3. * cx.window.line_height()).into_any()),
11097 priority: 0,
11098 }],
11099 None,
11100 cx,
11101 );
11102
11103 // Blur the editor so that it displays placeholder text.
11104 window.blur();
11105 })
11106 .unwrap();
11107
11108 let (_, state) = cx.draw(
11109 point(px(500.), px(500.)),
11110 size(px(500.), px(500.)),
11111 |_, _| EditorElement::new(&editor, style),
11112 );
11113 assert_eq!(state.position_map.line_layouts.len(), 4);
11114 assert_eq!(state.line_numbers.len(), 1);
11115 assert_eq!(
11116 state
11117 .line_numbers
11118 .get(&MultiBufferRow(0))
11119 .map(|line_number| line_number.shaped_line.text.as_ref()),
11120 Some("1")
11121 );
11122 }
11123
11124 #[gpui::test]
11125 fn test_all_invisibles_drawing(cx: &mut TestAppContext) {
11126 const TAB_SIZE: u32 = 4;
11127
11128 let input_text = "\t \t|\t| a b";
11129 let expected_invisibles = vec![
11130 Invisible::Tab {
11131 line_start_offset: 0,
11132 line_end_offset: TAB_SIZE as usize,
11133 },
11134 Invisible::Whitespace {
11135 line_offset: TAB_SIZE as usize,
11136 },
11137 Invisible::Tab {
11138 line_start_offset: TAB_SIZE as usize + 1,
11139 line_end_offset: TAB_SIZE as usize * 2,
11140 },
11141 Invisible::Tab {
11142 line_start_offset: TAB_SIZE as usize * 2 + 1,
11143 line_end_offset: TAB_SIZE as usize * 3,
11144 },
11145 Invisible::Whitespace {
11146 line_offset: TAB_SIZE as usize * 3 + 1,
11147 },
11148 Invisible::Whitespace {
11149 line_offset: TAB_SIZE as usize * 3 + 3,
11150 },
11151 ];
11152 assert_eq!(
11153 expected_invisibles.len(),
11154 input_text
11155 .chars()
11156 .filter(|initial_char| initial_char.is_whitespace())
11157 .count(),
11158 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
11159 );
11160
11161 for show_line_numbers in [true, false] {
11162 init_test(cx, |s| {
11163 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11164 s.defaults.tab_size = NonZeroU32::new(TAB_SIZE);
11165 });
11166
11167 let actual_invisibles = collect_invisibles_from_new_editor(
11168 cx,
11169 EditorMode::full(),
11170 input_text,
11171 px(500.0),
11172 show_line_numbers,
11173 );
11174
11175 assert_eq!(expected_invisibles, actual_invisibles);
11176 }
11177 }
11178
11179 #[gpui::test]
11180 fn test_invisibles_dont_appear_in_certain_editors(cx: &mut TestAppContext) {
11181 init_test(cx, |s| {
11182 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11183 s.defaults.tab_size = NonZeroU32::new(4);
11184 });
11185
11186 for editor_mode_without_invisibles in [
11187 EditorMode::SingleLine,
11188 EditorMode::AutoHeight {
11189 min_lines: 1,
11190 max_lines: Some(100),
11191 },
11192 ] {
11193 for show_line_numbers in [true, false] {
11194 let invisibles = collect_invisibles_from_new_editor(
11195 cx,
11196 editor_mode_without_invisibles.clone(),
11197 "\t\t\t| | a b",
11198 px(500.0),
11199 show_line_numbers,
11200 );
11201 assert!(
11202 invisibles.is_empty(),
11203 "For editor mode {editor_mode_without_invisibles:?} no invisibles was expected but got {invisibles:?}"
11204 );
11205 }
11206 }
11207 }
11208
11209 #[gpui::test]
11210 fn test_wrapped_invisibles_drawing(cx: &mut TestAppContext) {
11211 let tab_size = 4;
11212 let input_text = "a\tbcd ".repeat(9);
11213 let repeated_invisibles = [
11214 Invisible::Tab {
11215 line_start_offset: 1,
11216 line_end_offset: tab_size as usize,
11217 },
11218 Invisible::Whitespace {
11219 line_offset: tab_size as usize + 3,
11220 },
11221 Invisible::Whitespace {
11222 line_offset: tab_size as usize + 4,
11223 },
11224 Invisible::Whitespace {
11225 line_offset: tab_size as usize + 5,
11226 },
11227 Invisible::Whitespace {
11228 line_offset: tab_size as usize + 6,
11229 },
11230 Invisible::Whitespace {
11231 line_offset: tab_size as usize + 7,
11232 },
11233 ];
11234 let expected_invisibles = std::iter::once(repeated_invisibles)
11235 .cycle()
11236 .take(9)
11237 .flatten()
11238 .collect::<Vec<_>>();
11239 assert_eq!(
11240 expected_invisibles.len(),
11241 input_text
11242 .chars()
11243 .filter(|initial_char| initial_char.is_whitespace())
11244 .count(),
11245 "Hardcoded expected invisibles differ from the actual ones in '{input_text}'"
11246 );
11247 info!("Expected invisibles: {expected_invisibles:?}");
11248
11249 init_test(cx, |_| {});
11250
11251 // Put the same string with repeating whitespace pattern into editors of various size,
11252 // take deliberately small steps during resizing, to put all whitespace kinds near the wrap point.
11253 let resize_step = 10.0;
11254 let mut editor_width = 200.0;
11255 while editor_width <= 1000.0 {
11256 for show_line_numbers in [true, false] {
11257 update_test_language_settings(cx, |s| {
11258 s.defaults.tab_size = NonZeroU32::new(tab_size);
11259 s.defaults.show_whitespaces = Some(ShowWhitespaceSetting::All);
11260 s.defaults.preferred_line_length = Some(editor_width as u32);
11261 s.defaults.soft_wrap = Some(language_settings::SoftWrap::PreferredLineLength);
11262 });
11263
11264 let actual_invisibles = collect_invisibles_from_new_editor(
11265 cx,
11266 EditorMode::full(),
11267 &input_text,
11268 px(editor_width),
11269 show_line_numbers,
11270 );
11271
11272 // Whatever the editor size is, ensure it has the same invisible kinds in the same order
11273 // (no good guarantees about the offsets: wrapping could trigger padding and its tests should check the offsets).
11274 let mut i = 0;
11275 for (actual_index, actual_invisible) in actual_invisibles.iter().enumerate() {
11276 i = actual_index;
11277 match expected_invisibles.get(i) {
11278 Some(expected_invisible) => match (expected_invisible, actual_invisible) {
11279 (Invisible::Whitespace { .. }, Invisible::Whitespace { .. })
11280 | (Invisible::Tab { .. }, Invisible::Tab { .. }) => {}
11281 _ => {
11282 panic!(
11283 "At index {i}, expected invisible {expected_invisible:?} does not match actual {actual_invisible:?} by kind. Actual invisibles: {actual_invisibles:?}"
11284 )
11285 }
11286 },
11287 None => {
11288 panic!("Unexpected extra invisible {actual_invisible:?} at index {i}")
11289 }
11290 }
11291 }
11292 let missing_expected_invisibles = &expected_invisibles[i + 1..];
11293 assert!(
11294 missing_expected_invisibles.is_empty(),
11295 "Missing expected invisibles after index {i}: {missing_expected_invisibles:?}"
11296 );
11297
11298 editor_width += resize_step;
11299 }
11300 }
11301 }
11302
11303 fn collect_invisibles_from_new_editor(
11304 cx: &mut TestAppContext,
11305 editor_mode: EditorMode,
11306 input_text: &str,
11307 editor_width: Pixels,
11308 show_line_numbers: bool,
11309 ) -> Vec<Invisible> {
11310 info!(
11311 "Creating editor with mode {editor_mode:?}, width {}px and text '{input_text}'",
11312 f32::from(editor_width)
11313 );
11314 let window = cx.add_window(|window, cx| {
11315 let buffer = MultiBuffer::build_simple(input_text, cx);
11316 Editor::new(editor_mode, buffer, None, window, cx)
11317 });
11318 let cx = &mut VisualTestContext::from_window(*window, cx);
11319 let editor = window.root(cx).unwrap();
11320
11321 let style = cx.update(|_, cx| editor.read(cx).style().unwrap().clone());
11322 window
11323 .update(cx, |editor, _, cx| {
11324 editor.set_soft_wrap_mode(language_settings::SoftWrap::EditorWidth, cx);
11325 editor.set_wrap_width(Some(editor_width), cx);
11326 editor.set_show_line_numbers(show_line_numbers, cx);
11327 })
11328 .unwrap();
11329 let (_, state) = cx.draw(
11330 point(px(500.), px(500.)),
11331 size(px(500.), px(500.)),
11332 |_, _| EditorElement::new(&editor, style),
11333 );
11334 state
11335 .position_map
11336 .line_layouts
11337 .iter()
11338 .flat_map(|line_with_invisibles| &line_with_invisibles.invisibles)
11339 .cloned()
11340 .collect()
11341 }
11342
11343 #[gpui::test]
11344 fn test_merge_overlapping_ranges() {
11345 let base_bg = Hsla::white();
11346 let color1 = Hsla {
11347 h: 0.0,
11348 s: 0.5,
11349 l: 0.5,
11350 a: 0.5,
11351 };
11352 let color2 = Hsla {
11353 h: 120.0,
11354 s: 0.5,
11355 l: 0.5,
11356 a: 0.5,
11357 };
11358
11359 let display_point = |col| DisplayPoint::new(DisplayRow(0), col);
11360 let cols = |v: &Vec<(Range<DisplayPoint>, Hsla)>| -> Vec<(u32, u32)> {
11361 v.iter()
11362 .map(|(r, _)| (r.start.column(), r.end.column()))
11363 .collect()
11364 };
11365
11366 // Test overlapping ranges blend colors
11367 let overlapping = vec![
11368 (display_point(5)..display_point(15), color1),
11369 (display_point(10)..display_point(20), color2),
11370 ];
11371 let result = EditorElement::merge_overlapping_ranges(overlapping, base_bg);
11372 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11373
11374 // Test middle segment should have blended color
11375 let blended = Hsla::blend(Hsla::blend(base_bg, color1), color2);
11376 assert_eq!(result[1].1, blended);
11377
11378 // Test adjacent same-color ranges merge
11379 let adjacent_same = vec![
11380 (display_point(5)..display_point(10), color1),
11381 (display_point(10)..display_point(15), color1),
11382 ];
11383 let result = EditorElement::merge_overlapping_ranges(adjacent_same, base_bg);
11384 assert_eq!(cols(&result), vec![(5, 15)]);
11385
11386 // Test contained range splits
11387 let contained = vec![
11388 (display_point(5)..display_point(20), color1),
11389 (display_point(10)..display_point(15), color2),
11390 ];
11391 let result = EditorElement::merge_overlapping_ranges(contained, base_bg);
11392 assert_eq!(cols(&result), vec![(5, 10), (10, 15), (15, 20)]);
11393
11394 // Test multiple overlaps split at every boundary
11395 let color3 = Hsla {
11396 h: 240.0,
11397 s: 0.5,
11398 l: 0.5,
11399 a: 0.5,
11400 };
11401 let complex = vec![
11402 (display_point(5)..display_point(12), color1),
11403 (display_point(8)..display_point(16), color2),
11404 (display_point(10)..display_point(14), color3),
11405 ];
11406 let result = EditorElement::merge_overlapping_ranges(complex, base_bg);
11407 assert_eq!(
11408 cols(&result),
11409 vec![(5, 8), (8, 10), (10, 12), (12, 14), (14, 16)]
11410 );
11411 }
11412
11413 #[gpui::test]
11414 fn test_bg_segments_per_row() {
11415 let base_bg = Hsla::white();
11416
11417 // Case A: selection spans three display rows: row 1 [5, end), full row 2, row 3 [0, 7)
11418 {
11419 let selection_color = Hsla {
11420 h: 200.0,
11421 s: 0.5,
11422 l: 0.5,
11423 a: 0.5,
11424 };
11425 let player_color = PlayerColor {
11426 cursor: selection_color,
11427 background: selection_color,
11428 selection: selection_color,
11429 };
11430
11431 let spanning_selection = SelectionLayout {
11432 head: DisplayPoint::new(DisplayRow(3), 7),
11433 cursor_shape: CursorShape::Bar,
11434 is_newest: true,
11435 is_local: true,
11436 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 7),
11437 active_rows: DisplayRow(1)..DisplayRow(4),
11438 user_name: None,
11439 };
11440
11441 let selections = vec![(player_color, vec![spanning_selection])];
11442 let result = EditorElement::bg_segments_per_row(
11443 DisplayRow(0)..DisplayRow(5),
11444 &selections,
11445 &[],
11446 base_bg,
11447 );
11448
11449 assert_eq!(result.len(), 5);
11450 assert!(result[0].is_empty());
11451 assert_eq!(result[1].len(), 1);
11452 assert_eq!(result[2].len(), 1);
11453 assert_eq!(result[3].len(), 1);
11454 assert!(result[4].is_empty());
11455
11456 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11457 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11458 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11459 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11460 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11461 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11462 assert_eq!(result[3][0].0.start, DisplayPoint::new(DisplayRow(3), 0));
11463 assert_eq!(result[3][0].0.end, DisplayPoint::new(DisplayRow(3), 7));
11464 }
11465
11466 // Case B: selection ends exactly at the start of row 3, excluding row 3
11467 {
11468 let selection_color = Hsla {
11469 h: 120.0,
11470 s: 0.5,
11471 l: 0.5,
11472 a: 0.5,
11473 };
11474 let player_color = PlayerColor {
11475 cursor: selection_color,
11476 background: selection_color,
11477 selection: selection_color,
11478 };
11479
11480 let selection = SelectionLayout {
11481 head: DisplayPoint::new(DisplayRow(2), 0),
11482 cursor_shape: CursorShape::Bar,
11483 is_newest: true,
11484 is_local: true,
11485 range: DisplayPoint::new(DisplayRow(1), 5)..DisplayPoint::new(DisplayRow(3), 0),
11486 active_rows: DisplayRow(1)..DisplayRow(3),
11487 user_name: None,
11488 };
11489
11490 let selections = vec![(player_color, vec![selection])];
11491 let result = EditorElement::bg_segments_per_row(
11492 DisplayRow(0)..DisplayRow(4),
11493 &selections,
11494 &[],
11495 base_bg,
11496 );
11497
11498 assert_eq!(result.len(), 4);
11499 assert!(result[0].is_empty());
11500 assert_eq!(result[1].len(), 1);
11501 assert_eq!(result[2].len(), 1);
11502 assert!(result[3].is_empty());
11503
11504 assert_eq!(result[1][0].0.start, DisplayPoint::new(DisplayRow(1), 5));
11505 assert_eq!(result[1][0].0.end.row(), DisplayRow(1));
11506 assert_eq!(result[1][0].0.end.column(), u32::MAX);
11507 assert_eq!(result[2][0].0.start, DisplayPoint::new(DisplayRow(2), 0));
11508 assert_eq!(result[2][0].0.end.row(), DisplayRow(2));
11509 assert_eq!(result[2][0].0.end.column(), u32::MAX);
11510 }
11511 }
11512
11513 #[cfg(test)]
11514 fn generate_test_run(len: usize, color: Hsla) -> TextRun {
11515 TextRun {
11516 len,
11517 font: gpui::font(".SystemUIFont"),
11518 color,
11519 background_color: None,
11520 underline: None,
11521 strikethrough: None,
11522 }
11523 }
11524
11525 #[gpui::test]
11526 fn test_split_runs_by_bg_segments(cx: &mut gpui::TestAppContext) {
11527 init_test(cx, |_| {});
11528
11529 let dx = |start: u32, end: u32| {
11530 DisplayPoint::new(DisplayRow(0), start)..DisplayPoint::new(DisplayRow(0), end)
11531 };
11532
11533 let text_color = Hsla {
11534 h: 210.0,
11535 s: 0.1,
11536 l: 0.4,
11537 a: 1.0,
11538 };
11539 let bg_1 = Hsla {
11540 h: 30.0,
11541 s: 0.6,
11542 l: 0.8,
11543 a: 1.0,
11544 };
11545 let bg_2 = Hsla {
11546 h: 200.0,
11547 s: 0.6,
11548 l: 0.2,
11549 a: 1.0,
11550 };
11551 let min_contrast = 45.0;
11552 let adjusted_bg1 = ensure_minimum_contrast(text_color, bg_1, min_contrast);
11553 let adjusted_bg2 = ensure_minimum_contrast(text_color, bg_2, min_contrast);
11554
11555 // Case A: single run; disjoint segments inside the run
11556 {
11557 let runs = vec![generate_test_run(20, text_color)];
11558 let segs = vec![(dx(5, 10), bg_1), (dx(12, 16), bg_2)];
11559 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11560 // Expected slices: [0,5) [5,10) [10,12) [12,16) [16,20)
11561 assert_eq!(
11562 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11563 vec![5, 5, 2, 4, 4]
11564 );
11565 assert_eq!(out[0].color, text_color);
11566 assert_eq!(out[1].color, adjusted_bg1);
11567 assert_eq!(out[2].color, text_color);
11568 assert_eq!(out[3].color, adjusted_bg2);
11569 assert_eq!(out[4].color, text_color);
11570 }
11571
11572 // Case B: multiple runs; segment extends to end of line (u32::MAX)
11573 {
11574 let runs = vec![
11575 generate_test_run(8, text_color),
11576 generate_test_run(7, text_color),
11577 ];
11578 let segs = vec![(dx(6, u32::MAX), bg_1)];
11579 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11580 // Expected slices across runs: [0,6) [6,8) | [0,7)
11581 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![6, 2, 7]);
11582 assert_eq!(out[0].color, text_color);
11583 assert_eq!(out[1].color, adjusted_bg1);
11584 assert_eq!(out[2].color, adjusted_bg1);
11585 }
11586
11587 // Case C: multi-byte characters
11588 {
11589 // for text: "Hello π δΈη!"
11590 let runs = vec![
11591 generate_test_run(5, text_color), // "Hello"
11592 generate_test_run(6, text_color), // " π "
11593 generate_test_run(6, text_color), // "δΈη"
11594 generate_test_run(1, text_color), // "!"
11595 ];
11596 // selecting "π δΈ"
11597 let segs = vec![(dx(6, 14), bg_1)];
11598 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11599 // "Hello" | " " | "π " | "δΈ" | "η" | "!"
11600 assert_eq!(
11601 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11602 vec![5, 1, 5, 3, 3, 1]
11603 );
11604 assert_eq!(out[0].color, text_color); // "Hello"
11605 assert_eq!(out[2].color, adjusted_bg1); // "π "
11606 assert_eq!(out[3].color, adjusted_bg1); // "δΈ"
11607 assert_eq!(out[4].color, text_color); // "η"
11608 assert_eq!(out[5].color, text_color); // "!"
11609 }
11610
11611 // Case D: split multiple consecutive text runs with segments
11612 {
11613 let segs = vec![
11614 (dx(2, 4), bg_1), // selecting "cd"
11615 (dx(4, 8), bg_2), // selecting "efgh"
11616 (dx(9, 11), bg_1), // selecting "jk"
11617 (dx(12, 16), bg_2), // selecting "mnop"
11618 (dx(18, 19), bg_1), // selecting "s"
11619 ];
11620
11621 // for text: "abcdef"
11622 let runs = vec![
11623 generate_test_run(2, text_color), // ab
11624 generate_test_run(4, text_color), // cdef
11625 ];
11626 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 0);
11627 // new splits "ab", "cd", "ef"
11628 assert_eq!(out.iter().map(|r| r.len).collect::<Vec<_>>(), vec![2, 2, 2]);
11629 assert_eq!(out[0].color, text_color);
11630 assert_eq!(out[1].color, adjusted_bg1);
11631 assert_eq!(out[2].color, adjusted_bg2);
11632
11633 // for text: "ghijklmn"
11634 let runs = vec![
11635 generate_test_run(3, text_color), // ghi
11636 generate_test_run(2, text_color), // jk
11637 generate_test_run(3, text_color), // lmn
11638 ];
11639 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 6); // 2 + 4 from first run
11640 // new splits "gh", "i", "jk", "l", "mn"
11641 assert_eq!(
11642 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11643 vec![2, 1, 2, 1, 2]
11644 );
11645 assert_eq!(out[0].color, adjusted_bg2);
11646 assert_eq!(out[1].color, text_color);
11647 assert_eq!(out[2].color, adjusted_bg1);
11648 assert_eq!(out[3].color, text_color);
11649 assert_eq!(out[4].color, adjusted_bg2);
11650
11651 // for text: "opqrs"
11652 let runs = vec![
11653 generate_test_run(1, text_color), // o
11654 generate_test_run(4, text_color), // pqrs
11655 ];
11656 let out = LineWithInvisibles::split_runs_by_bg_segments(&runs, &segs, min_contrast, 14); // 6 + 3 + 2 + 3 from first two runs
11657 // new splits "o", "p", "qr", "s"
11658 assert_eq!(
11659 out.iter().map(|r| r.len).collect::<Vec<_>>(),
11660 vec![1, 1, 2, 1]
11661 );
11662 assert_eq!(out[0].color, adjusted_bg2);
11663 assert_eq!(out[1].color, adjusted_bg2);
11664 assert_eq!(out[2].color, text_color);
11665 assert_eq!(out[3].color, adjusted_bg1);
11666 }
11667 }
11668}