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