1use crate::{
2 CloseWindow, NewFile, NewTerminal, OpenInTerminal, OpenOptions, OpenTerminal, OpenVisible,
3 SplitDirection, ToggleFileFinder, ToggleProjectSymbols, ToggleZoom, Workspace,
4 WorkspaceItemBuilder, ZoomIn, ZoomOut,
5 invalid_item_view::InvalidItemView,
6 item::{
7 ActivateOnClose, ClosePosition, Item, ItemBufferKind, ItemHandle, ItemSettings,
8 PreviewTabsSettings, ProjectItemKind, SaveOptions, ShowCloseButton, ShowDiagnostics,
9 TabContentParams, TabTooltipContent, WeakItemHandle,
10 },
11 move_item,
12 notifications::NotifyResultExt,
13 toolbar::Toolbar,
14 workspace_settings::{AutosaveSetting, TabBarSettings, WorkspaceSettings},
15};
16use anyhow::Result;
17use collections::{BTreeSet, HashMap, HashSet, VecDeque};
18use futures::{StreamExt, stream::FuturesUnordered};
19use gpui::{
20 Action, AnyElement, App, AsyncWindowContext, ClickEvent, ClipboardItem, Context, Corner, Div,
21 DragMoveEvent, Entity, EntityId, EventEmitter, ExternalPaths, FocusHandle, FocusOutEvent,
22 Focusable, KeyContext, MouseButton, NavigationDirection, Pixels, Point, PromptLevel, Render,
23 ScrollHandle, Subscription, Task, WeakEntity, WeakFocusHandle, Window, actions, anchored,
24 deferred, prelude::*,
25};
26use itertools::Itertools;
27use language::{Capability, DiagnosticSeverity};
28use parking_lot::Mutex;
29use project::{DirectoryLister, Project, ProjectEntryId, ProjectPath, WorktreeId};
30use schemars::JsonSchema;
31use serde::Deserialize;
32use settings::{Settings, SettingsStore};
33use std::{
34 any::Any,
35 cmp, fmt, mem,
36 num::NonZeroUsize,
37 ops::ControlFlow,
38 path::PathBuf,
39 rc::Rc,
40 sync::{
41 Arc,
42 atomic::{AtomicUsize, Ordering},
43 },
44 time::Duration,
45};
46use theme::ThemeSettings;
47use ui::{
48 ContextMenu, ContextMenuEntry, ContextMenuItem, DecoratedIcon, IconButtonShape, IconDecoration,
49 IconDecorationKind, Indicator, PopoverMenu, PopoverMenuHandle, Tab, TabBar, TabPosition,
50 Tooltip, prelude::*, right_click_menu,
51};
52use util::{ResultExt, debug_panic, maybe, paths::PathStyle, truncate_and_remove_front};
53
54/// A selected entry in e.g. project panel.
55#[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
56pub struct SelectedEntry {
57 pub worktree_id: WorktreeId,
58 pub entry_id: ProjectEntryId,
59}
60
61/// A group of selected entries from project panel.
62#[derive(Debug)]
63pub struct DraggedSelection {
64 pub active_selection: SelectedEntry,
65 pub marked_selections: Arc<[SelectedEntry]>,
66}
67
68impl DraggedSelection {
69 pub fn items<'a>(&'a self) -> Box<dyn Iterator<Item = &'a SelectedEntry> + 'a> {
70 if self.marked_selections.contains(&self.active_selection) {
71 Box::new(self.marked_selections.iter())
72 } else {
73 Box::new(std::iter::once(&self.active_selection))
74 }
75 }
76}
77
78#[derive(Clone, Copy, PartialEq, Debug, Deserialize, JsonSchema)]
79#[serde(rename_all = "snake_case")]
80pub enum SaveIntent {
81 /// write all files (even if unchanged)
82 /// prompt before overwriting on-disk changes
83 Save,
84 /// same as Save, but without auto formatting
85 SaveWithoutFormat,
86 /// write any files that have local changes
87 /// prompt before overwriting on-disk changes
88 SaveAll,
89 /// always prompt for a new path
90 SaveAs,
91 /// prompt "you have unsaved changes" before writing
92 Close,
93 /// write all dirty files, don't prompt on conflict
94 Overwrite,
95 /// skip all save-related behavior
96 Skip,
97}
98
99/// Activates a specific item in the pane by its index.
100#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
101#[action(namespace = pane)]
102pub struct ActivateItem(pub usize);
103
104/// Closes the currently active item in the pane.
105#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
106#[action(namespace = pane)]
107#[serde(deny_unknown_fields)]
108pub struct CloseActiveItem {
109 #[serde(default)]
110 pub save_intent: Option<SaveIntent>,
111 #[serde(default)]
112 pub close_pinned: bool,
113}
114
115/// Closes all inactive items in the pane.
116#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
117#[action(namespace = pane)]
118#[serde(deny_unknown_fields)]
119#[action(deprecated_aliases = ["pane::CloseInactiveItems"])]
120pub struct CloseOtherItems {
121 #[serde(default)]
122 pub save_intent: Option<SaveIntent>,
123 #[serde(default)]
124 pub close_pinned: bool,
125}
126
127/// Closes all multibuffers in the pane.
128#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
129#[action(namespace = pane)]
130#[serde(deny_unknown_fields)]
131pub struct CloseMultibufferItems {
132 #[serde(default)]
133 pub save_intent: Option<SaveIntent>,
134 #[serde(default)]
135 pub close_pinned: bool,
136}
137
138/// Closes all items in the pane.
139#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
140#[action(namespace = pane)]
141#[serde(deny_unknown_fields)]
142pub struct CloseAllItems {
143 #[serde(default)]
144 pub save_intent: Option<SaveIntent>,
145 #[serde(default)]
146 pub close_pinned: bool,
147}
148
149/// Closes all items that have no unsaved changes.
150#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
151#[action(namespace = pane)]
152#[serde(deny_unknown_fields)]
153pub struct CloseCleanItems {
154 #[serde(default)]
155 pub close_pinned: bool,
156}
157
158/// Closes all items to the right of the current item.
159#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
160#[action(namespace = pane)]
161#[serde(deny_unknown_fields)]
162pub struct CloseItemsToTheRight {
163 #[serde(default)]
164 pub close_pinned: bool,
165}
166
167/// Closes all items to the left of the current item.
168#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
169#[action(namespace = pane)]
170#[serde(deny_unknown_fields)]
171pub struct CloseItemsToTheLeft {
172 #[serde(default)]
173 pub close_pinned: bool,
174}
175
176/// Reveals the current item in the project panel.
177#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
178#[action(namespace = pane)]
179#[serde(deny_unknown_fields)]
180pub struct RevealInProjectPanel {
181 #[serde(skip)]
182 pub entry_id: Option<u64>,
183}
184
185/// Opens the search interface with the specified configuration.
186#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
187#[action(namespace = pane)]
188#[serde(deny_unknown_fields)]
189pub struct DeploySearch {
190 #[serde(default)]
191 pub replace_enabled: bool,
192 #[serde(default)]
193 pub included_files: Option<String>,
194 #[serde(default)]
195 pub excluded_files: Option<String>,
196}
197
198#[derive(Clone, Copy, PartialEq, Debug, Deserialize, JsonSchema, Default)]
199#[serde(deny_unknown_fields)]
200pub enum SplitMode {
201 /// Clone the current pane.
202 #[default]
203 ClonePane,
204 /// Create an empty new pane.
205 EmptyPane,
206 /// Move the item into a new pane. This will map to nop if only one pane exists.
207 MovePane,
208}
209
210macro_rules! split_structs {
211 ($($name:ident => $doc:literal),* $(,)?) => {
212 $(
213 #[doc = $doc]
214 #[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
215 #[action(namespace = pane)]
216 #[serde(deny_unknown_fields, default)]
217 pub struct $name {
218 pub mode: SplitMode,
219 }
220 )*
221 };
222}
223
224split_structs!(
225 SplitLeft => "Splits the pane to the left.",
226 SplitRight => "Splits the pane to the right.",
227 SplitUp => "Splits the pane upward.",
228 SplitDown => "Splits the pane downward.",
229 SplitHorizontal => "Splits the pane horizontally.",
230 SplitVertical => "Splits the pane vertically."
231);
232
233actions!(
234 pane,
235 [
236 /// Activates the previous item in the pane.
237 ActivatePreviousItem,
238 /// Activates the next item in the pane.
239 ActivateNextItem,
240 /// Activates the last item in the pane.
241 ActivateLastItem,
242 /// Switches to the alternate file.
243 AlternateFile,
244 /// Navigates back in history.
245 GoBack,
246 /// Navigates forward in history.
247 GoForward,
248 /// Navigates back in the tag stack.
249 GoToOlderTag,
250 /// Navigates forward in the tag stack.
251 GoToNewerTag,
252 /// Joins this pane into the next pane.
253 JoinIntoNext,
254 /// Joins all panes into one.
255 JoinAll,
256 /// Reopens the most recently closed item.
257 ReopenClosedItem,
258 /// Splits the pane to the left, moving the current item.
259 SplitAndMoveLeft,
260 /// Splits the pane upward, moving the current item.
261 SplitAndMoveUp,
262 /// Splits the pane to the right, moving the current item.
263 SplitAndMoveRight,
264 /// Splits the pane downward, moving the current item.
265 SplitAndMoveDown,
266 /// Swaps the current item with the one to the left.
267 SwapItemLeft,
268 /// Swaps the current item with the one to the right.
269 SwapItemRight,
270 /// Toggles preview mode for the current tab.
271 TogglePreviewTab,
272 /// Toggles pin status for the current tab.
273 TogglePinTab,
274 /// Unpins all tabs in the pane.
275 UnpinAllTabs,
276 ]
277);
278
279impl DeploySearch {
280 pub fn find() -> Self {
281 Self {
282 replace_enabled: false,
283 included_files: None,
284 excluded_files: None,
285 }
286 }
287}
288
289const MAX_NAVIGATION_HISTORY_LEN: usize = 1024;
290
291pub enum Event {
292 AddItem {
293 item: Box<dyn ItemHandle>,
294 },
295 ActivateItem {
296 local: bool,
297 focus_changed: bool,
298 },
299 Remove {
300 focus_on_pane: Option<Entity<Pane>>,
301 },
302 RemovedItem {
303 item: Box<dyn ItemHandle>,
304 },
305 Split {
306 direction: SplitDirection,
307 mode: SplitMode,
308 },
309 ItemPinned,
310 ItemUnpinned,
311 JoinAll,
312 JoinIntoNext,
313 ChangeItemTitle,
314 Focus,
315 ZoomIn,
316 ZoomOut,
317 UserSavedItem {
318 item: Box<dyn WeakItemHandle>,
319 save_intent: SaveIntent,
320 },
321}
322
323impl fmt::Debug for Event {
324 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
325 match self {
326 Event::AddItem { item } => f
327 .debug_struct("AddItem")
328 .field("item", &item.item_id())
329 .finish(),
330 Event::ActivateItem { local, .. } => f
331 .debug_struct("ActivateItem")
332 .field("local", local)
333 .finish(),
334 Event::Remove { .. } => f.write_str("Remove"),
335 Event::RemovedItem { item } => f
336 .debug_struct("RemovedItem")
337 .field("item", &item.item_id())
338 .finish(),
339 Event::Split { direction, mode } => f
340 .debug_struct("Split")
341 .field("direction", direction)
342 .field("mode", mode)
343 .finish(),
344 Event::JoinAll => f.write_str("JoinAll"),
345 Event::JoinIntoNext => f.write_str("JoinIntoNext"),
346 Event::ChangeItemTitle => f.write_str("ChangeItemTitle"),
347 Event::Focus => f.write_str("Focus"),
348 Event::ZoomIn => f.write_str("ZoomIn"),
349 Event::ZoomOut => f.write_str("ZoomOut"),
350 Event::UserSavedItem { item, save_intent } => f
351 .debug_struct("UserSavedItem")
352 .field("item", &item.id())
353 .field("save_intent", save_intent)
354 .finish(),
355 Event::ItemPinned => f.write_str("ItemPinned"),
356 Event::ItemUnpinned => f.write_str("ItemUnpinned"),
357 }
358 }
359}
360
361/// A container for 0 to many items that are open in the workspace.
362/// Treats all items uniformly via the [`ItemHandle`] trait, whether it's an editor, search results multibuffer, terminal or something else,
363/// responsible for managing item tabs, focus and zoom states and drag and drop features.
364/// Can be split, see `PaneGroup` for more details.
365pub struct Pane {
366 alternate_file_items: (
367 Option<Box<dyn WeakItemHandle>>,
368 Option<Box<dyn WeakItemHandle>>,
369 ),
370 focus_handle: FocusHandle,
371 items: Vec<Box<dyn ItemHandle>>,
372 activation_history: Vec<ActivationHistoryEntry>,
373 next_activation_timestamp: Arc<AtomicUsize>,
374 zoomed: bool,
375 was_focused: bool,
376 active_item_index: usize,
377 preview_item_id: Option<EntityId>,
378 last_focus_handle_by_item: HashMap<EntityId, WeakFocusHandle>,
379 nav_history: NavHistory,
380 toolbar: Entity<Toolbar>,
381 pub(crate) workspace: WeakEntity<Workspace>,
382 project: WeakEntity<Project>,
383 pub drag_split_direction: Option<SplitDirection>,
384 can_drop_predicate: Option<Arc<dyn Fn(&dyn Any, &mut Window, &mut App) -> bool>>,
385 custom_drop_handle: Option<
386 Arc<dyn Fn(&mut Pane, &dyn Any, &mut Window, &mut Context<Pane>) -> ControlFlow<(), ()>>,
387 >,
388 can_split_predicate:
389 Option<Arc<dyn Fn(&mut Self, &dyn Any, &mut Window, &mut Context<Self>) -> bool>>,
390 can_toggle_zoom: bool,
391 should_display_tab_bar: Rc<dyn Fn(&Window, &mut Context<Pane>) -> bool>,
392 should_display_welcome_page: bool,
393 render_tab_bar_buttons: Rc<
394 dyn Fn(
395 &mut Pane,
396 &mut Window,
397 &mut Context<Pane>,
398 ) -> (Option<AnyElement>, Option<AnyElement>),
399 >,
400 render_tab_bar: Rc<dyn Fn(&mut Pane, &mut Window, &mut Context<Pane>) -> AnyElement>,
401 show_tab_bar_buttons: bool,
402 max_tabs: Option<NonZeroUsize>,
403 use_max_tabs: bool,
404 _subscriptions: Vec<Subscription>,
405 tab_bar_scroll_handle: ScrollHandle,
406 /// This is set to true if a user scroll has occurred more recently than a system scroll
407 /// We want to suppress certain system scrolls when the user has intentionally scrolled
408 suppress_scroll: bool,
409 /// Is None if navigation buttons are permanently turned off (and should not react to setting changes).
410 /// Otherwise, when `display_nav_history_buttons` is Some, it determines whether nav buttons should be displayed.
411 display_nav_history_buttons: Option<bool>,
412 double_click_dispatch_action: Box<dyn Action>,
413 save_modals_spawned: HashSet<EntityId>,
414 close_pane_if_empty: bool,
415 pub new_item_context_menu_handle: PopoverMenuHandle<ContextMenu>,
416 pub split_item_context_menu_handle: PopoverMenuHandle<ContextMenu>,
417 pinned_tab_count: usize,
418 diagnostics: HashMap<ProjectPath, DiagnosticSeverity>,
419 zoom_out_on_close: bool,
420 diagnostic_summary_update: Task<()>,
421 /// If a certain project item wants to get recreated with specific data, it can persist its data before the recreation here.
422 pub project_item_restoration_data: HashMap<ProjectItemKind, Box<dyn Any + Send>>,
423 welcome_page: Option<Entity<crate::welcome::WelcomePage>>,
424
425 pub in_center_group: bool,
426}
427
428pub struct ActivationHistoryEntry {
429 pub entity_id: EntityId,
430 pub timestamp: usize,
431}
432
433#[derive(Clone)]
434pub struct ItemNavHistory {
435 history: NavHistory,
436 item: Arc<dyn WeakItemHandle>,
437}
438
439#[derive(Clone)]
440pub struct NavHistory(Arc<Mutex<NavHistoryState>>);
441
442#[derive(Clone)]
443struct NavHistoryState {
444 mode: NavigationMode,
445 backward_stack: VecDeque<NavigationEntry>,
446 forward_stack: VecDeque<NavigationEntry>,
447 closed_stack: VecDeque<NavigationEntry>,
448 tag_stack: VecDeque<TagStackEntry>,
449 tag_stack_pos: usize,
450 paths_by_item: HashMap<EntityId, (ProjectPath, Option<PathBuf>)>,
451 pane: WeakEntity<Pane>,
452 next_timestamp: Arc<AtomicUsize>,
453 preview_item_id: Option<EntityId>,
454}
455
456#[derive(Debug, Default, Copy, Clone)]
457pub enum NavigationMode {
458 #[default]
459 Normal,
460 GoingBack,
461 GoingForward,
462 ClosingItem,
463 ReopeningClosedItem,
464 Disabled,
465}
466
467#[derive(Debug, Default, Copy, Clone)]
468pub enum TagNavigationMode {
469 #[default]
470 Older,
471 Newer,
472}
473
474#[derive(Clone)]
475pub struct NavigationEntry {
476 pub item: Arc<dyn WeakItemHandle + Send + Sync>,
477 pub data: Option<Arc<dyn Any + Send + Sync>>,
478 pub timestamp: usize,
479 pub is_preview: bool,
480}
481
482#[derive(Clone)]
483pub struct TagStackEntry {
484 pub origin: NavigationEntry,
485 pub target: NavigationEntry,
486}
487
488#[derive(Clone)]
489pub struct DraggedTab {
490 pub pane: Entity<Pane>,
491 pub item: Box<dyn ItemHandle>,
492 pub ix: usize,
493 pub detail: usize,
494 pub is_active: bool,
495}
496
497impl EventEmitter<Event> for Pane {}
498
499pub enum Side {
500 Left,
501 Right,
502}
503
504#[derive(Copy, Clone)]
505enum PinOperation {
506 Pin,
507 Unpin,
508}
509
510impl Pane {
511 pub fn new(
512 workspace: WeakEntity<Workspace>,
513 project: Entity<Project>,
514 next_timestamp: Arc<AtomicUsize>,
515 can_drop_predicate: Option<Arc<dyn Fn(&dyn Any, &mut Window, &mut App) -> bool + 'static>>,
516 double_click_dispatch_action: Box<dyn Action>,
517 use_max_tabs: bool,
518 window: &mut Window,
519 cx: &mut Context<Self>,
520 ) -> Self {
521 let focus_handle = cx.focus_handle();
522 let max_tabs = if use_max_tabs {
523 WorkspaceSettings::get_global(cx).max_tabs
524 } else {
525 None
526 };
527
528 let subscriptions = vec![
529 cx.on_focus(&focus_handle, window, Pane::focus_in),
530 cx.on_focus_in(&focus_handle, window, Pane::focus_in),
531 cx.on_focus_out(&focus_handle, window, Pane::focus_out),
532 cx.observe_global_in::<SettingsStore>(window, Self::settings_changed),
533 cx.subscribe(&project, Self::project_events),
534 ];
535
536 let handle = cx.entity().downgrade();
537
538 Self {
539 alternate_file_items: (None, None),
540 focus_handle,
541 items: Vec::new(),
542 activation_history: Vec::new(),
543 next_activation_timestamp: next_timestamp.clone(),
544 was_focused: false,
545 zoomed: false,
546 active_item_index: 0,
547 preview_item_id: None,
548 max_tabs,
549 use_max_tabs,
550 last_focus_handle_by_item: Default::default(),
551 nav_history: NavHistory(Arc::new(Mutex::new(NavHistoryState {
552 mode: NavigationMode::Normal,
553 backward_stack: Default::default(),
554 forward_stack: Default::default(),
555 closed_stack: Default::default(),
556 tag_stack: Default::default(),
557 tag_stack_pos: Default::default(),
558 paths_by_item: Default::default(),
559 pane: handle,
560 next_timestamp,
561 preview_item_id: None,
562 }))),
563 toolbar: cx.new(|_| Toolbar::new()),
564 tab_bar_scroll_handle: ScrollHandle::new(),
565 suppress_scroll: false,
566 drag_split_direction: None,
567 workspace,
568 project: project.downgrade(),
569 can_drop_predicate,
570 custom_drop_handle: None,
571 can_split_predicate: None,
572 can_toggle_zoom: true,
573 should_display_tab_bar: Rc::new(|_, cx| TabBarSettings::get_global(cx).show),
574 should_display_welcome_page: false,
575 render_tab_bar_buttons: Rc::new(default_render_tab_bar_buttons),
576 render_tab_bar: Rc::new(Self::render_tab_bar),
577 show_tab_bar_buttons: TabBarSettings::get_global(cx).show_tab_bar_buttons,
578 display_nav_history_buttons: Some(
579 TabBarSettings::get_global(cx).show_nav_history_buttons,
580 ),
581 _subscriptions: subscriptions,
582 double_click_dispatch_action,
583 save_modals_spawned: HashSet::default(),
584 close_pane_if_empty: true,
585 split_item_context_menu_handle: Default::default(),
586 new_item_context_menu_handle: Default::default(),
587 pinned_tab_count: 0,
588 diagnostics: Default::default(),
589 zoom_out_on_close: true,
590 diagnostic_summary_update: Task::ready(()),
591 project_item_restoration_data: HashMap::default(),
592 welcome_page: None,
593 in_center_group: false,
594 }
595 }
596
597 fn alternate_file(&mut self, _: &AlternateFile, window: &mut Window, cx: &mut Context<Pane>) {
598 let (_, alternative) = &self.alternate_file_items;
599 if let Some(alternative) = alternative {
600 let existing = self
601 .items()
602 .find_position(|item| item.item_id() == alternative.id());
603 if let Some((ix, _)) = existing {
604 self.activate_item(ix, true, true, window, cx);
605 } else if let Some(upgraded) = alternative.upgrade() {
606 self.add_item(upgraded, true, true, None, window, cx);
607 }
608 }
609 }
610
611 pub fn track_alternate_file_items(&mut self) {
612 if let Some(item) = self.active_item().map(|item| item.downgrade_item()) {
613 let (current, _) = &self.alternate_file_items;
614 match current {
615 Some(current) => {
616 if current.id() != item.id() {
617 self.alternate_file_items =
618 (Some(item), self.alternate_file_items.0.take());
619 }
620 }
621 None => {
622 self.alternate_file_items = (Some(item), None);
623 }
624 }
625 }
626 }
627
628 pub fn has_focus(&self, window: &Window, cx: &App) -> bool {
629 // We not only check whether our focus handle contains focus, but also
630 // whether the active item might have focus, because we might have just activated an item
631 // that hasn't rendered yet.
632 // Before the next render, we might transfer focus
633 // to the item, and `focus_handle.contains_focus` returns false because the `active_item`
634 // is not hooked up to us in the dispatch tree.
635 self.focus_handle.contains_focused(window, cx)
636 || self
637 .active_item()
638 .is_some_and(|item| item.item_focus_handle(cx).contains_focused(window, cx))
639 }
640
641 fn focus_in(&mut self, window: &mut Window, cx: &mut Context<Self>) {
642 if !self.was_focused {
643 self.was_focused = true;
644 self.update_history(self.active_item_index);
645 if !self.suppress_scroll && self.items.get(self.active_item_index).is_some() {
646 self.update_active_tab(self.active_item_index);
647 }
648 cx.emit(Event::Focus);
649 cx.notify();
650 }
651
652 self.toolbar.update(cx, |toolbar, cx| {
653 toolbar.focus_changed(true, window, cx);
654 });
655
656 if let Some(active_item) = self.active_item() {
657 if self.focus_handle.is_focused(window) {
658 // Schedule a redraw next frame, so that the focus changes below take effect
659 cx.on_next_frame(window, |_, _, cx| {
660 cx.notify();
661 });
662
663 // Pane was focused directly. We need to either focus a view inside the active item,
664 // or focus the active item itself
665 if let Some(weak_last_focus_handle) =
666 self.last_focus_handle_by_item.get(&active_item.item_id())
667 && let Some(focus_handle) = weak_last_focus_handle.upgrade()
668 {
669 focus_handle.focus(window, cx);
670 return;
671 }
672
673 active_item.item_focus_handle(cx).focus(window, cx);
674 } else if let Some(focused) = window.focused(cx)
675 && !self.context_menu_focused(window, cx)
676 {
677 self.last_focus_handle_by_item
678 .insert(active_item.item_id(), focused.downgrade());
679 }
680 } else if self.should_display_welcome_page
681 && let Some(welcome_page) = self.welcome_page.as_ref()
682 {
683 if self.focus_handle.is_focused(window) {
684 welcome_page.read(cx).focus_handle(cx).focus(window, cx);
685 }
686 }
687 }
688
689 pub fn context_menu_focused(&self, window: &mut Window, cx: &mut Context<Self>) -> bool {
690 self.new_item_context_menu_handle.is_focused(window, cx)
691 || self.split_item_context_menu_handle.is_focused(window, cx)
692 }
693
694 fn focus_out(&mut self, _event: FocusOutEvent, window: &mut Window, cx: &mut Context<Self>) {
695 self.was_focused = false;
696 self.toolbar.update(cx, |toolbar, cx| {
697 toolbar.focus_changed(false, window, cx);
698 });
699
700 cx.notify();
701 }
702
703 fn project_events(
704 &mut self,
705 _project: Entity<Project>,
706 event: &project::Event,
707 cx: &mut Context<Self>,
708 ) {
709 match event {
710 project::Event::DiskBasedDiagnosticsFinished { .. }
711 | project::Event::DiagnosticsUpdated { .. } => {
712 if ItemSettings::get_global(cx).show_diagnostics != ShowDiagnostics::Off {
713 self.diagnostic_summary_update = cx.spawn(async move |this, cx| {
714 cx.background_executor()
715 .timer(Duration::from_millis(30))
716 .await;
717 this.update(cx, |this, cx| {
718 this.update_diagnostics(cx);
719 cx.notify();
720 })
721 .log_err();
722 });
723 }
724 }
725 _ => {}
726 }
727 }
728
729 fn update_diagnostics(&mut self, cx: &mut Context<Self>) {
730 let Some(project) = self.project.upgrade() else {
731 return;
732 };
733 let show_diagnostics = ItemSettings::get_global(cx).show_diagnostics;
734 self.diagnostics = if show_diagnostics != ShowDiagnostics::Off {
735 project
736 .read(cx)
737 .diagnostic_summaries(false, cx)
738 .filter_map(|(project_path, _, diagnostic_summary)| {
739 if diagnostic_summary.error_count > 0 {
740 Some((project_path, DiagnosticSeverity::ERROR))
741 } else if diagnostic_summary.warning_count > 0
742 && show_diagnostics != ShowDiagnostics::Errors
743 {
744 Some((project_path, DiagnosticSeverity::WARNING))
745 } else {
746 None
747 }
748 })
749 .collect()
750 } else {
751 HashMap::default()
752 }
753 }
754
755 fn settings_changed(&mut self, window: &mut Window, cx: &mut Context<Self>) {
756 let tab_bar_settings = TabBarSettings::get_global(cx);
757 let new_max_tabs = WorkspaceSettings::get_global(cx).max_tabs;
758
759 if let Some(display_nav_history_buttons) = self.display_nav_history_buttons.as_mut() {
760 *display_nav_history_buttons = tab_bar_settings.show_nav_history_buttons;
761 }
762
763 self.show_tab_bar_buttons = tab_bar_settings.show_tab_bar_buttons;
764
765 if !PreviewTabsSettings::get_global(cx).enabled {
766 self.preview_item_id = None;
767 self.nav_history.0.lock().preview_item_id = None;
768 }
769
770 if self.use_max_tabs && new_max_tabs != self.max_tabs {
771 self.max_tabs = new_max_tabs;
772 self.close_items_on_settings_change(window, cx);
773 }
774
775 self.update_diagnostics(cx);
776 cx.notify();
777 }
778
779 pub fn active_item_index(&self) -> usize {
780 self.active_item_index
781 }
782
783 pub fn is_active_item_pinned(&self) -> bool {
784 self.is_tab_pinned(self.active_item_index)
785 }
786
787 pub fn activation_history(&self) -> &[ActivationHistoryEntry] {
788 &self.activation_history
789 }
790
791 pub fn set_should_display_tab_bar<F>(&mut self, should_display_tab_bar: F)
792 where
793 F: 'static + Fn(&Window, &mut Context<Pane>) -> bool,
794 {
795 self.should_display_tab_bar = Rc::new(should_display_tab_bar);
796 }
797
798 pub fn set_should_display_welcome_page(&mut self, should_display_welcome_page: bool) {
799 self.should_display_welcome_page = should_display_welcome_page;
800 }
801
802 pub fn set_can_split(
803 &mut self,
804 can_split_predicate: Option<
805 Arc<dyn Fn(&mut Self, &dyn Any, &mut Window, &mut Context<Self>) -> bool + 'static>,
806 >,
807 ) {
808 self.can_split_predicate = can_split_predicate;
809 }
810
811 pub fn set_can_toggle_zoom(&mut self, can_toggle_zoom: bool, cx: &mut Context<Self>) {
812 self.can_toggle_zoom = can_toggle_zoom;
813 cx.notify();
814 }
815
816 pub fn set_close_pane_if_empty(&mut self, close_pane_if_empty: bool, cx: &mut Context<Self>) {
817 self.close_pane_if_empty = close_pane_if_empty;
818 cx.notify();
819 }
820
821 pub fn set_can_navigate(&mut self, can_navigate: bool, cx: &mut Context<Self>) {
822 self.toolbar.update(cx, |toolbar, cx| {
823 toolbar.set_can_navigate(can_navigate, cx);
824 });
825 cx.notify();
826 }
827
828 pub fn set_render_tab_bar<F>(&mut self, cx: &mut Context<Self>, render: F)
829 where
830 F: 'static + Fn(&mut Pane, &mut Window, &mut Context<Pane>) -> AnyElement,
831 {
832 self.render_tab_bar = Rc::new(render);
833 cx.notify();
834 }
835
836 pub fn set_render_tab_bar_buttons<F>(&mut self, cx: &mut Context<Self>, render: F)
837 where
838 F: 'static
839 + Fn(
840 &mut Pane,
841 &mut Window,
842 &mut Context<Pane>,
843 ) -> (Option<AnyElement>, Option<AnyElement>),
844 {
845 self.render_tab_bar_buttons = Rc::new(render);
846 cx.notify();
847 }
848
849 pub fn set_custom_drop_handle<F>(&mut self, cx: &mut Context<Self>, handle: F)
850 where
851 F: 'static
852 + Fn(&mut Pane, &dyn Any, &mut Window, &mut Context<Pane>) -> ControlFlow<(), ()>,
853 {
854 self.custom_drop_handle = Some(Arc::new(handle));
855 cx.notify();
856 }
857
858 pub fn nav_history_for_item<T: Item>(&self, item: &Entity<T>) -> ItemNavHistory {
859 ItemNavHistory {
860 history: self.nav_history.clone(),
861 item: Arc::new(item.downgrade()),
862 }
863 }
864
865 pub fn nav_history(&self) -> &NavHistory {
866 &self.nav_history
867 }
868
869 pub fn nav_history_mut(&mut self) -> &mut NavHistory {
870 &mut self.nav_history
871 }
872
873 pub fn fork_nav_history(&self) -> NavHistory {
874 let history = self.nav_history.0.lock().clone();
875 NavHistory(Arc::new(Mutex::new(history)))
876 }
877
878 pub fn set_nav_history(&mut self, history: NavHistory, cx: &Context<Self>) {
879 self.nav_history = history;
880 self.nav_history().0.lock().pane = cx.entity().downgrade();
881 }
882
883 pub fn disable_history(&mut self) {
884 self.nav_history.disable();
885 }
886
887 pub fn enable_history(&mut self) {
888 self.nav_history.enable();
889 }
890
891 pub fn can_navigate_backward(&self) -> bool {
892 !self.nav_history.0.lock().backward_stack.is_empty()
893 }
894
895 pub fn can_navigate_forward(&self) -> bool {
896 !self.nav_history.0.lock().forward_stack.is_empty()
897 }
898
899 pub fn navigate_backward(&mut self, _: &GoBack, window: &mut Window, cx: &mut Context<Self>) {
900 if let Some(workspace) = self.workspace.upgrade() {
901 let pane = cx.entity().downgrade();
902 window.defer(cx, move |window, cx| {
903 workspace.update(cx, |workspace, cx| {
904 workspace.go_back(pane, window, cx).detach_and_log_err(cx)
905 })
906 })
907 }
908 }
909
910 fn navigate_forward(&mut self, _: &GoForward, window: &mut Window, cx: &mut Context<Self>) {
911 if let Some(workspace) = self.workspace.upgrade() {
912 let pane = cx.entity().downgrade();
913 window.defer(cx, move |window, cx| {
914 workspace.update(cx, |workspace, cx| {
915 workspace
916 .go_forward(pane, window, cx)
917 .detach_and_log_err(cx)
918 })
919 })
920 }
921 }
922
923 pub fn go_to_older_tag(
924 &mut self,
925 _: &GoToOlderTag,
926 window: &mut Window,
927 cx: &mut Context<Self>,
928 ) {
929 if let Some(workspace) = self.workspace.upgrade() {
930 let pane = cx.entity().downgrade();
931 window.defer(cx, move |window, cx| {
932 workspace.update(cx, |workspace, cx| {
933 workspace
934 .navigate_tag_history(pane, TagNavigationMode::Older, window, cx)
935 .detach_and_log_err(cx)
936 })
937 })
938 }
939 }
940
941 pub fn go_to_newer_tag(
942 &mut self,
943 _: &GoToNewerTag,
944 window: &mut Window,
945 cx: &mut Context<Self>,
946 ) {
947 if let Some(workspace) = self.workspace.upgrade() {
948 let pane = cx.entity().downgrade();
949 window.defer(cx, move |window, cx| {
950 workspace.update(cx, |workspace, cx| {
951 workspace
952 .navigate_tag_history(pane, TagNavigationMode::Newer, window, cx)
953 .detach_and_log_err(cx)
954 })
955 })
956 }
957 }
958
959 fn history_updated(&mut self, cx: &mut Context<Self>) {
960 self.toolbar.update(cx, |_, cx| cx.notify());
961 }
962
963 pub fn preview_item_id(&self) -> Option<EntityId> {
964 self.preview_item_id
965 }
966
967 pub fn preview_item(&self) -> Option<Box<dyn ItemHandle>> {
968 self.preview_item_id
969 .and_then(|id| self.items.iter().find(|item| item.item_id() == id))
970 .cloned()
971 }
972
973 pub fn preview_item_idx(&self) -> Option<usize> {
974 if let Some(preview_item_id) = self.preview_item_id {
975 self.items
976 .iter()
977 .position(|item| item.item_id() == preview_item_id)
978 } else {
979 None
980 }
981 }
982
983 pub fn is_active_preview_item(&self, item_id: EntityId) -> bool {
984 self.preview_item_id == Some(item_id)
985 }
986
987 /// Promotes the item with the given ID to not be a preview item.
988 /// This does nothing if it wasn't already a preview item.
989 pub fn unpreview_item_if_preview(&mut self, item_id: EntityId) {
990 if self.is_active_preview_item(item_id) {
991 self.preview_item_id = None;
992 self.nav_history.0.lock().preview_item_id = None;
993 }
994 }
995
996 /// Marks the item with the given ID as the preview item.
997 /// This will be ignored if the global setting `preview_tabs` is disabled.
998 ///
999 /// The old preview item (if there was one) is closed and its index is returned.
1000 pub fn replace_preview_item_id(
1001 &mut self,
1002 item_id: EntityId,
1003 window: &mut Window,
1004 cx: &mut Context<Self>,
1005 ) -> Option<usize> {
1006 let idx = self.close_current_preview_item(window, cx);
1007 self.set_preview_item_id(Some(item_id), cx);
1008 idx
1009 }
1010
1011 /// Marks the item with the given ID as the preview item.
1012 /// This will be ignored if the global setting `preview_tabs` is disabled.
1013 ///
1014 /// This is a low-level method. Prefer `unpreview_item_if_preview()` or `set_new_preview_item()`.
1015 pub(crate) fn set_preview_item_id(&mut self, item_id: Option<EntityId>, cx: &App) {
1016 if item_id.is_none() || PreviewTabsSettings::get_global(cx).enabled {
1017 self.preview_item_id = item_id;
1018 self.nav_history.0.lock().preview_item_id = item_id;
1019 }
1020 }
1021
1022 /// Should only be used when deserializing a pane.
1023 pub fn set_pinned_count(&mut self, count: usize) {
1024 self.pinned_tab_count = count;
1025 }
1026
1027 pub fn pinned_count(&self) -> usize {
1028 self.pinned_tab_count
1029 }
1030
1031 pub fn handle_item_edit(&mut self, item_id: EntityId, cx: &App) {
1032 if let Some(preview_item) = self.preview_item()
1033 && preview_item.item_id() == item_id
1034 && !preview_item.preserve_preview(cx)
1035 {
1036 self.unpreview_item_if_preview(item_id);
1037 }
1038 }
1039
1040 pub(crate) fn open_item(
1041 &mut self,
1042 project_entry_id: Option<ProjectEntryId>,
1043 project_path: ProjectPath,
1044 focus_item: bool,
1045 allow_preview: bool,
1046 activate: bool,
1047 suggested_position: Option<usize>,
1048 window: &mut Window,
1049 cx: &mut Context<Self>,
1050 build_item: WorkspaceItemBuilder,
1051 ) -> Box<dyn ItemHandle> {
1052 let mut existing_item = None;
1053 if let Some(project_entry_id) = project_entry_id {
1054 for (index, item) in self.items.iter().enumerate() {
1055 if item.buffer_kind(cx) == ItemBufferKind::Singleton
1056 && item.project_entry_ids(cx).as_slice() == [project_entry_id]
1057 {
1058 let item = item.boxed_clone();
1059 existing_item = Some((index, item));
1060 break;
1061 }
1062 }
1063 } else {
1064 for (index, item) in self.items.iter().enumerate() {
1065 if item.buffer_kind(cx) == ItemBufferKind::Singleton
1066 && item.project_path(cx).as_ref() == Some(&project_path)
1067 {
1068 let item = item.boxed_clone();
1069 existing_item = Some((index, item));
1070 break;
1071 }
1072 }
1073 }
1074
1075 let set_up_existing_item =
1076 |index: usize, pane: &mut Self, window: &mut Window, cx: &mut Context<Self>| {
1077 if !allow_preview && let Some(item) = pane.items.get(index) {
1078 pane.unpreview_item_if_preview(item.item_id());
1079 }
1080 if activate {
1081 pane.activate_item(index, focus_item, focus_item, window, cx);
1082 }
1083 };
1084 let set_up_new_item = |new_item: Box<dyn ItemHandle>,
1085 destination_index: Option<usize>,
1086 pane: &mut Self,
1087 window: &mut Window,
1088 cx: &mut Context<Self>| {
1089 if allow_preview {
1090 pane.replace_preview_item_id(new_item.item_id(), window, cx);
1091 }
1092
1093 if let Some(text) = new_item.telemetry_event_text(cx) {
1094 telemetry::event!(text);
1095 }
1096
1097 pane.add_item_inner(
1098 new_item,
1099 true,
1100 focus_item,
1101 activate,
1102 destination_index,
1103 window,
1104 cx,
1105 );
1106 };
1107
1108 if let Some((index, existing_item)) = existing_item {
1109 set_up_existing_item(index, self, window, cx);
1110 existing_item
1111 } else {
1112 // If the item is being opened as preview and we have an existing preview tab,
1113 // open the new item in the position of the existing preview tab.
1114 let destination_index = if allow_preview {
1115 self.close_current_preview_item(window, cx)
1116 } else {
1117 suggested_position
1118 };
1119
1120 let new_item = build_item(self, window, cx);
1121 // A special case that won't ever get a `project_entry_id` but has to be deduplicated nonetheless.
1122 if let Some(invalid_buffer_view) = new_item.downcast::<InvalidItemView>() {
1123 let mut already_open_view = None;
1124 let mut views_to_close = HashSet::default();
1125 for existing_error_view in self
1126 .items_of_type::<InvalidItemView>()
1127 .filter(|item| item.read(cx).abs_path == invalid_buffer_view.read(cx).abs_path)
1128 {
1129 if already_open_view.is_none()
1130 && existing_error_view.read(cx).error == invalid_buffer_view.read(cx).error
1131 {
1132 already_open_view = Some(existing_error_view);
1133 } else {
1134 views_to_close.insert(existing_error_view.item_id());
1135 }
1136 }
1137
1138 let resulting_item = match already_open_view {
1139 Some(already_open_view) => {
1140 if let Some(index) = self.index_for_item_id(already_open_view.item_id()) {
1141 set_up_existing_item(index, self, window, cx);
1142 }
1143 Box::new(already_open_view) as Box<_>
1144 }
1145 None => {
1146 set_up_new_item(new_item.clone(), destination_index, self, window, cx);
1147 new_item
1148 }
1149 };
1150
1151 self.close_items(window, cx, SaveIntent::Skip, |existing_item| {
1152 views_to_close.contains(&existing_item)
1153 })
1154 .detach();
1155
1156 resulting_item
1157 } else {
1158 set_up_new_item(new_item.clone(), destination_index, self, window, cx);
1159 new_item
1160 }
1161 }
1162 }
1163
1164 pub fn close_current_preview_item(
1165 &mut self,
1166 window: &mut Window,
1167 cx: &mut Context<Self>,
1168 ) -> Option<usize> {
1169 let item_idx = self.preview_item_idx()?;
1170 let id = self.preview_item_id()?;
1171 self.preview_item_id = None;
1172
1173 let prev_active_item_index = self.active_item_index;
1174 self.remove_item(id, false, false, window, cx);
1175 self.active_item_index = prev_active_item_index;
1176 self.nav_history.0.lock().preview_item_id = None;
1177
1178 if item_idx < self.items.len() {
1179 Some(item_idx)
1180 } else {
1181 None
1182 }
1183 }
1184
1185 pub fn add_item_inner(
1186 &mut self,
1187 item: Box<dyn ItemHandle>,
1188 activate_pane: bool,
1189 focus_item: bool,
1190 activate: bool,
1191 destination_index: Option<usize>,
1192 window: &mut Window,
1193 cx: &mut Context<Self>,
1194 ) {
1195 let item_already_exists = self
1196 .items
1197 .iter()
1198 .any(|existing_item| existing_item.item_id() == item.item_id());
1199
1200 if !item_already_exists {
1201 self.close_items_on_item_open(window, cx);
1202 }
1203
1204 if item.buffer_kind(cx) == ItemBufferKind::Singleton
1205 && let Some(&entry_id) = item.project_entry_ids(cx).first()
1206 {
1207 let Some(project) = self.project.upgrade() else {
1208 return;
1209 };
1210
1211 let project = project.read(cx);
1212 if let Some(project_path) = project.path_for_entry(entry_id, cx) {
1213 let abs_path = project.absolute_path(&project_path, cx);
1214 self.nav_history
1215 .0
1216 .lock()
1217 .paths_by_item
1218 .insert(item.item_id(), (project_path, abs_path));
1219 }
1220 }
1221 // If no destination index is specified, add or move the item after the
1222 // active item (or at the start of tab bar, if the active item is pinned)
1223 let mut insertion_index = {
1224 cmp::min(
1225 if let Some(destination_index) = destination_index {
1226 destination_index
1227 } else {
1228 cmp::max(self.active_item_index + 1, self.pinned_count())
1229 },
1230 self.items.len(),
1231 )
1232 };
1233
1234 // Does the item already exist?
1235 let project_entry_id = if item.buffer_kind(cx) == ItemBufferKind::Singleton {
1236 item.project_entry_ids(cx).first().copied()
1237 } else {
1238 None
1239 };
1240
1241 let existing_item_index = self.items.iter().position(|existing_item| {
1242 if existing_item.item_id() == item.item_id() {
1243 true
1244 } else if existing_item.buffer_kind(cx) == ItemBufferKind::Singleton {
1245 existing_item
1246 .project_entry_ids(cx)
1247 .first()
1248 .is_some_and(|existing_entry_id| {
1249 Some(existing_entry_id) == project_entry_id.as_ref()
1250 })
1251 } else {
1252 false
1253 }
1254 });
1255 if let Some(existing_item_index) = existing_item_index {
1256 // If the item already exists, move it to the desired destination and activate it
1257
1258 if existing_item_index != insertion_index {
1259 let existing_item_is_active = existing_item_index == self.active_item_index;
1260
1261 // If the caller didn't specify a destination and the added item is already
1262 // the active one, don't move it
1263 if existing_item_is_active && destination_index.is_none() {
1264 insertion_index = existing_item_index;
1265 } else {
1266 self.items.remove(existing_item_index);
1267 if existing_item_index < self.active_item_index {
1268 self.active_item_index -= 1;
1269 }
1270 insertion_index = insertion_index.min(self.items.len());
1271
1272 self.items.insert(insertion_index, item.clone());
1273
1274 if existing_item_is_active {
1275 self.active_item_index = insertion_index;
1276 } else if insertion_index <= self.active_item_index {
1277 self.active_item_index += 1;
1278 }
1279 }
1280
1281 cx.notify();
1282 }
1283
1284 if activate {
1285 self.activate_item(insertion_index, activate_pane, focus_item, window, cx);
1286 }
1287 } else {
1288 self.items.insert(insertion_index, item.clone());
1289 cx.notify();
1290
1291 if activate {
1292 if insertion_index <= self.active_item_index
1293 && self.preview_item_idx() != Some(self.active_item_index)
1294 {
1295 self.active_item_index += 1;
1296 }
1297
1298 self.activate_item(insertion_index, activate_pane, focus_item, window, cx);
1299 }
1300 }
1301
1302 cx.emit(Event::AddItem { item });
1303 }
1304
1305 pub fn add_item(
1306 &mut self,
1307 item: Box<dyn ItemHandle>,
1308 activate_pane: bool,
1309 focus_item: bool,
1310 destination_index: Option<usize>,
1311 window: &mut Window,
1312 cx: &mut Context<Self>,
1313 ) {
1314 if let Some(text) = item.telemetry_event_text(cx) {
1315 telemetry::event!(text);
1316 }
1317
1318 self.add_item_inner(
1319 item,
1320 activate_pane,
1321 focus_item,
1322 true,
1323 destination_index,
1324 window,
1325 cx,
1326 )
1327 }
1328
1329 pub fn items_len(&self) -> usize {
1330 self.items.len()
1331 }
1332
1333 pub fn items(&self) -> impl DoubleEndedIterator<Item = &Box<dyn ItemHandle>> {
1334 self.items.iter()
1335 }
1336
1337 pub fn items_of_type<T: Render>(&self) -> impl '_ + Iterator<Item = Entity<T>> {
1338 self.items
1339 .iter()
1340 .filter_map(|item| item.to_any_view().downcast().ok())
1341 }
1342
1343 pub fn active_item(&self) -> Option<Box<dyn ItemHandle>> {
1344 self.items.get(self.active_item_index).cloned()
1345 }
1346
1347 fn active_item_id(&self) -> EntityId {
1348 self.items[self.active_item_index].item_id()
1349 }
1350
1351 pub fn pixel_position_of_cursor(&self, cx: &App) -> Option<Point<Pixels>> {
1352 self.items
1353 .get(self.active_item_index)?
1354 .pixel_position_of_cursor(cx)
1355 }
1356
1357 pub fn item_for_entry(
1358 &self,
1359 entry_id: ProjectEntryId,
1360 cx: &App,
1361 ) -> Option<Box<dyn ItemHandle>> {
1362 self.items.iter().find_map(|item| {
1363 if item.buffer_kind(cx) == ItemBufferKind::Singleton
1364 && (item.project_entry_ids(cx).as_slice() == [entry_id])
1365 {
1366 Some(item.boxed_clone())
1367 } else {
1368 None
1369 }
1370 })
1371 }
1372
1373 pub fn item_for_path(
1374 &self,
1375 project_path: ProjectPath,
1376 cx: &App,
1377 ) -> Option<Box<dyn ItemHandle>> {
1378 self.items.iter().find_map(move |item| {
1379 if item.buffer_kind(cx) == ItemBufferKind::Singleton
1380 && (item.project_path(cx).as_slice() == [project_path.clone()])
1381 {
1382 Some(item.boxed_clone())
1383 } else {
1384 None
1385 }
1386 })
1387 }
1388
1389 pub fn index_for_item(&self, item: &dyn ItemHandle) -> Option<usize> {
1390 self.index_for_item_id(item.item_id())
1391 }
1392
1393 fn index_for_item_id(&self, item_id: EntityId) -> Option<usize> {
1394 self.items.iter().position(|i| i.item_id() == item_id)
1395 }
1396
1397 pub fn item_for_index(&self, ix: usize) -> Option<&dyn ItemHandle> {
1398 self.items.get(ix).map(|i| i.as_ref())
1399 }
1400
1401 pub fn toggle_zoom(&mut self, _: &ToggleZoom, window: &mut Window, cx: &mut Context<Self>) {
1402 if !self.can_toggle_zoom {
1403 cx.propagate();
1404 } else if self.zoomed {
1405 cx.emit(Event::ZoomOut);
1406 } else if !self.items.is_empty() {
1407 if !self.focus_handle.contains_focused(window, cx) {
1408 cx.focus_self(window);
1409 }
1410 cx.emit(Event::ZoomIn);
1411 }
1412 }
1413
1414 pub fn zoom_in(&mut self, _: &ZoomIn, window: &mut Window, cx: &mut Context<Self>) {
1415 if !self.can_toggle_zoom {
1416 cx.propagate();
1417 } else if !self.zoomed && !self.items.is_empty() {
1418 if !self.focus_handle.contains_focused(window, cx) {
1419 cx.focus_self(window);
1420 }
1421 cx.emit(Event::ZoomIn);
1422 }
1423 }
1424
1425 pub fn zoom_out(&mut self, _: &ZoomOut, _window: &mut Window, cx: &mut Context<Self>) {
1426 if !self.can_toggle_zoom {
1427 cx.propagate();
1428 } else if self.zoomed {
1429 cx.emit(Event::ZoomOut);
1430 }
1431 }
1432
1433 pub fn activate_item(
1434 &mut self,
1435 index: usize,
1436 activate_pane: bool,
1437 focus_item: bool,
1438 window: &mut Window,
1439 cx: &mut Context<Self>,
1440 ) {
1441 use NavigationMode::{GoingBack, GoingForward};
1442 if index < self.items.len() {
1443 let prev_active_item_ix = mem::replace(&mut self.active_item_index, index);
1444 if (prev_active_item_ix != self.active_item_index
1445 || matches!(self.nav_history.mode(), GoingBack | GoingForward))
1446 && let Some(prev_item) = self.items.get(prev_active_item_ix)
1447 {
1448 prev_item.deactivated(window, cx);
1449 }
1450 self.update_history(index);
1451 self.update_toolbar(window, cx);
1452 self.update_status_bar(window, cx);
1453
1454 if focus_item {
1455 self.focus_active_item(window, cx);
1456 }
1457
1458 cx.emit(Event::ActivateItem {
1459 local: activate_pane,
1460 focus_changed: focus_item,
1461 });
1462
1463 self.update_active_tab(index);
1464 cx.notify();
1465 }
1466 }
1467
1468 fn update_active_tab(&mut self, index: usize) {
1469 if !self.is_tab_pinned(index) {
1470 self.suppress_scroll = false;
1471 self.tab_bar_scroll_handle.scroll_to_item(index);
1472 }
1473 }
1474
1475 fn update_history(&mut self, index: usize) {
1476 if let Some(newly_active_item) = self.items.get(index) {
1477 self.activation_history
1478 .retain(|entry| entry.entity_id != newly_active_item.item_id());
1479 self.activation_history.push(ActivationHistoryEntry {
1480 entity_id: newly_active_item.item_id(),
1481 timestamp: self
1482 .next_activation_timestamp
1483 .fetch_add(1, Ordering::SeqCst),
1484 });
1485 }
1486 }
1487
1488 pub fn activate_previous_item(
1489 &mut self,
1490 _: &ActivatePreviousItem,
1491 window: &mut Window,
1492 cx: &mut Context<Self>,
1493 ) {
1494 let mut index = self.active_item_index;
1495 if index > 0 {
1496 index -= 1;
1497 } else if !self.items.is_empty() {
1498 index = self.items.len() - 1;
1499 }
1500 self.activate_item(index, true, true, window, cx);
1501 }
1502
1503 pub fn activate_next_item(
1504 &mut self,
1505 _: &ActivateNextItem,
1506 window: &mut Window,
1507 cx: &mut Context<Self>,
1508 ) {
1509 let mut index = self.active_item_index;
1510 if index + 1 < self.items.len() {
1511 index += 1;
1512 } else {
1513 index = 0;
1514 }
1515 self.activate_item(index, true, true, window, cx);
1516 }
1517
1518 pub fn swap_item_left(
1519 &mut self,
1520 _: &SwapItemLeft,
1521 window: &mut Window,
1522 cx: &mut Context<Self>,
1523 ) {
1524 let index = self.active_item_index;
1525 if index == 0 {
1526 return;
1527 }
1528
1529 self.items.swap(index, index - 1);
1530 self.activate_item(index - 1, true, true, window, cx);
1531 }
1532
1533 pub fn swap_item_right(
1534 &mut self,
1535 _: &SwapItemRight,
1536 window: &mut Window,
1537 cx: &mut Context<Self>,
1538 ) {
1539 let index = self.active_item_index;
1540 if index + 1 >= self.items.len() {
1541 return;
1542 }
1543
1544 self.items.swap(index, index + 1);
1545 self.activate_item(index + 1, true, true, window, cx);
1546 }
1547
1548 pub fn activate_last_item(
1549 &mut self,
1550 _: &ActivateLastItem,
1551 window: &mut Window,
1552 cx: &mut Context<Self>,
1553 ) {
1554 let index = self.items.len().saturating_sub(1);
1555 self.activate_item(index, true, true, window, cx);
1556 }
1557
1558 pub fn close_active_item(
1559 &mut self,
1560 action: &CloseActiveItem,
1561 window: &mut Window,
1562 cx: &mut Context<Self>,
1563 ) -> Task<Result<()>> {
1564 if self.items.is_empty() {
1565 // Close the window when there's no active items to close, if configured
1566 if WorkspaceSettings::get_global(cx)
1567 .when_closing_with_no_tabs
1568 .should_close()
1569 {
1570 window.dispatch_action(Box::new(CloseWindow), cx);
1571 }
1572
1573 return Task::ready(Ok(()));
1574 }
1575 if self.is_tab_pinned(self.active_item_index) && !action.close_pinned {
1576 // Activate any non-pinned tab in same pane
1577 let non_pinned_tab_index = self
1578 .items()
1579 .enumerate()
1580 .find(|(index, _item)| !self.is_tab_pinned(*index))
1581 .map(|(index, _item)| index);
1582 if let Some(index) = non_pinned_tab_index {
1583 self.activate_item(index, false, false, window, cx);
1584 return Task::ready(Ok(()));
1585 }
1586
1587 // Activate any non-pinned tab in different pane
1588 let current_pane = cx.entity();
1589 self.workspace
1590 .update(cx, |workspace, cx| {
1591 let panes = workspace.center.panes();
1592 let pane_with_unpinned_tab = panes.iter().find(|pane| {
1593 if **pane == ¤t_pane {
1594 return false;
1595 }
1596 pane.read(cx).has_unpinned_tabs()
1597 });
1598 if let Some(pane) = pane_with_unpinned_tab {
1599 pane.update(cx, |pane, cx| pane.activate_unpinned_tab(window, cx));
1600 }
1601 })
1602 .ok();
1603
1604 return Task::ready(Ok(()));
1605 };
1606
1607 let active_item_id = self.active_item_id();
1608
1609 self.close_item_by_id(
1610 active_item_id,
1611 action.save_intent.unwrap_or(SaveIntent::Close),
1612 window,
1613 cx,
1614 )
1615 }
1616
1617 pub fn close_item_by_id(
1618 &mut self,
1619 item_id_to_close: EntityId,
1620 save_intent: SaveIntent,
1621 window: &mut Window,
1622 cx: &mut Context<Self>,
1623 ) -> Task<Result<()>> {
1624 self.close_items(window, cx, save_intent, move |view_id| {
1625 view_id == item_id_to_close
1626 })
1627 }
1628
1629 pub fn close_items_for_project_path(
1630 &mut self,
1631 project_path: &ProjectPath,
1632 save_intent: SaveIntent,
1633 close_pinned: bool,
1634 window: &mut Window,
1635 cx: &mut Context<Self>,
1636 ) -> Task<Result<()>> {
1637 let pinned_item_ids = self.pinned_item_ids();
1638 let matching_item_ids: Vec<_> = self
1639 .items()
1640 .filter(|item| item.project_path(cx).as_ref() == Some(project_path))
1641 .map(|item| item.item_id())
1642 .collect();
1643 self.close_items(window, cx, save_intent, move |item_id| {
1644 matching_item_ids.contains(&item_id)
1645 && (close_pinned || !pinned_item_ids.contains(&item_id))
1646 })
1647 }
1648
1649 pub fn close_other_items(
1650 &mut self,
1651 action: &CloseOtherItems,
1652 target_item_id: Option<EntityId>,
1653 window: &mut Window,
1654 cx: &mut Context<Self>,
1655 ) -> Task<Result<()>> {
1656 if self.items.is_empty() {
1657 return Task::ready(Ok(()));
1658 }
1659
1660 let active_item_id = match target_item_id {
1661 Some(result) => result,
1662 None => self.active_item_id(),
1663 };
1664
1665 self.unpreview_item_if_preview(active_item_id);
1666
1667 let pinned_item_ids = self.pinned_item_ids();
1668
1669 self.close_items(
1670 window,
1671 cx,
1672 action.save_intent.unwrap_or(SaveIntent::Close),
1673 move |item_id| {
1674 item_id != active_item_id
1675 && (action.close_pinned || !pinned_item_ids.contains(&item_id))
1676 },
1677 )
1678 }
1679
1680 pub fn close_multibuffer_items(
1681 &mut self,
1682 action: &CloseMultibufferItems,
1683 window: &mut Window,
1684 cx: &mut Context<Self>,
1685 ) -> Task<Result<()>> {
1686 if self.items.is_empty() {
1687 return Task::ready(Ok(()));
1688 }
1689
1690 let pinned_item_ids = self.pinned_item_ids();
1691 let multibuffer_items = self.multibuffer_item_ids(cx);
1692
1693 self.close_items(
1694 window,
1695 cx,
1696 action.save_intent.unwrap_or(SaveIntent::Close),
1697 move |item_id| {
1698 (action.close_pinned || !pinned_item_ids.contains(&item_id))
1699 && multibuffer_items.contains(&item_id)
1700 },
1701 )
1702 }
1703
1704 pub fn close_clean_items(
1705 &mut self,
1706 action: &CloseCleanItems,
1707 window: &mut Window,
1708 cx: &mut Context<Self>,
1709 ) -> Task<Result<()>> {
1710 if self.items.is_empty() {
1711 return Task::ready(Ok(()));
1712 }
1713
1714 let clean_item_ids = self.clean_item_ids(cx);
1715 let pinned_item_ids = self.pinned_item_ids();
1716
1717 self.close_items(window, cx, SaveIntent::Close, move |item_id| {
1718 clean_item_ids.contains(&item_id)
1719 && (action.close_pinned || !pinned_item_ids.contains(&item_id))
1720 })
1721 }
1722
1723 pub fn close_items_to_the_left_by_id(
1724 &mut self,
1725 item_id: Option<EntityId>,
1726 action: &CloseItemsToTheLeft,
1727 window: &mut Window,
1728 cx: &mut Context<Self>,
1729 ) -> Task<Result<()>> {
1730 self.close_items_to_the_side_by_id(item_id, Side::Left, action.close_pinned, window, cx)
1731 }
1732
1733 pub fn close_items_to_the_right_by_id(
1734 &mut self,
1735 item_id: Option<EntityId>,
1736 action: &CloseItemsToTheRight,
1737 window: &mut Window,
1738 cx: &mut Context<Self>,
1739 ) -> Task<Result<()>> {
1740 self.close_items_to_the_side_by_id(item_id, Side::Right, action.close_pinned, window, cx)
1741 }
1742
1743 pub fn close_items_to_the_side_by_id(
1744 &mut self,
1745 item_id: Option<EntityId>,
1746 side: Side,
1747 close_pinned: bool,
1748 window: &mut Window,
1749 cx: &mut Context<Self>,
1750 ) -> Task<Result<()>> {
1751 if self.items.is_empty() {
1752 return Task::ready(Ok(()));
1753 }
1754
1755 let item_id = item_id.unwrap_or_else(|| self.active_item_id());
1756 let to_the_side_item_ids = self.to_the_side_item_ids(item_id, side);
1757 let pinned_item_ids = self.pinned_item_ids();
1758
1759 self.close_items(window, cx, SaveIntent::Close, move |item_id| {
1760 to_the_side_item_ids.contains(&item_id)
1761 && (close_pinned || !pinned_item_ids.contains(&item_id))
1762 })
1763 }
1764
1765 pub fn close_all_items(
1766 &mut self,
1767 action: &CloseAllItems,
1768 window: &mut Window,
1769 cx: &mut Context<Self>,
1770 ) -> Task<Result<()>> {
1771 if self.items.is_empty() {
1772 return Task::ready(Ok(()));
1773 }
1774
1775 let pinned_item_ids = self.pinned_item_ids();
1776
1777 self.close_items(
1778 window,
1779 cx,
1780 action.save_intent.unwrap_or(SaveIntent::Close),
1781 |item_id| action.close_pinned || !pinned_item_ids.contains(&item_id),
1782 )
1783 }
1784
1785 fn close_items_on_item_open(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1786 let target = self.max_tabs.map(|m| m.get());
1787 let protect_active_item = false;
1788 self.close_items_to_target_count(target, protect_active_item, window, cx);
1789 }
1790
1791 fn close_items_on_settings_change(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1792 let target = self.max_tabs.map(|m| m.get() + 1);
1793 // The active item in this case is the settings.json file, which should be protected from being closed
1794 let protect_active_item = true;
1795 self.close_items_to_target_count(target, protect_active_item, window, cx);
1796 }
1797
1798 fn close_items_to_target_count(
1799 &mut self,
1800 target_count: Option<usize>,
1801 protect_active_item: bool,
1802 window: &mut Window,
1803 cx: &mut Context<Self>,
1804 ) {
1805 let Some(target_count) = target_count else {
1806 return;
1807 };
1808
1809 let mut index_list = Vec::new();
1810 let mut items_len = self.items_len();
1811 let mut indexes: HashMap<EntityId, usize> = HashMap::default();
1812 let active_ix = self.active_item_index();
1813
1814 for (index, item) in self.items.iter().enumerate() {
1815 indexes.insert(item.item_id(), index);
1816 }
1817
1818 // Close least recently used items to reach target count.
1819 // The target count is allowed to be exceeded, as we protect pinned
1820 // items, dirty items, and sometimes, the active item.
1821 for entry in self.activation_history.iter() {
1822 if items_len < target_count {
1823 break;
1824 }
1825
1826 let Some(&index) = indexes.get(&entry.entity_id) else {
1827 continue;
1828 };
1829
1830 if protect_active_item && index == active_ix {
1831 continue;
1832 }
1833
1834 if let Some(true) = self.items.get(index).map(|item| item.is_dirty(cx)) {
1835 continue;
1836 }
1837
1838 if self.is_tab_pinned(index) {
1839 continue;
1840 }
1841
1842 index_list.push(index);
1843 items_len -= 1;
1844 }
1845 // The sort and reverse is necessary since we remove items
1846 // using their index position, hence removing from the end
1847 // of the list first to avoid changing indexes.
1848 index_list.sort_unstable();
1849 index_list
1850 .iter()
1851 .rev()
1852 .for_each(|&index| self._remove_item(index, false, false, None, window, cx));
1853 }
1854
1855 // Usually when you close an item that has unsaved changes, we prompt you to
1856 // save it. That said, if you still have the buffer open in a different pane
1857 // we can close this one without fear of losing data.
1858 pub fn skip_save_on_close(item: &dyn ItemHandle, workspace: &Workspace, cx: &App) -> bool {
1859 let mut dirty_project_item_ids = Vec::new();
1860 item.for_each_project_item(cx, &mut |project_item_id, project_item| {
1861 if project_item.is_dirty() {
1862 dirty_project_item_ids.push(project_item_id);
1863 }
1864 });
1865 if dirty_project_item_ids.is_empty() {
1866 return !(item.buffer_kind(cx) == ItemBufferKind::Singleton && item.is_dirty(cx));
1867 }
1868
1869 for open_item in workspace.items(cx) {
1870 if open_item.item_id() == item.item_id() {
1871 continue;
1872 }
1873 if open_item.buffer_kind(cx) != ItemBufferKind::Singleton {
1874 continue;
1875 }
1876 let other_project_item_ids = open_item.project_item_model_ids(cx);
1877 dirty_project_item_ids.retain(|id| !other_project_item_ids.contains(id));
1878 }
1879 dirty_project_item_ids.is_empty()
1880 }
1881
1882 pub(super) fn file_names_for_prompt(
1883 items: &mut dyn Iterator<Item = &Box<dyn ItemHandle>>,
1884 cx: &App,
1885 ) -> String {
1886 let mut file_names = BTreeSet::default();
1887 for item in items {
1888 item.for_each_project_item(cx, &mut |_, project_item| {
1889 if !project_item.is_dirty() {
1890 return;
1891 }
1892 let filename = project_item
1893 .project_path(cx)
1894 .and_then(|path| path.path.file_name().map(ToOwned::to_owned));
1895 file_names.insert(filename.unwrap_or("untitled".to_string()));
1896 });
1897 }
1898 if file_names.len() > 6 {
1899 format!(
1900 "{}\n.. and {} more",
1901 file_names.iter().take(5).join("\n"),
1902 file_names.len() - 5
1903 )
1904 } else {
1905 file_names.into_iter().join("\n")
1906 }
1907 }
1908
1909 pub fn close_items(
1910 &self,
1911 window: &mut Window,
1912 cx: &mut Context<Pane>,
1913 mut save_intent: SaveIntent,
1914 should_close: impl Fn(EntityId) -> bool,
1915 ) -> Task<Result<()>> {
1916 // Find the items to close.
1917 let mut items_to_close = Vec::new();
1918 for item in &self.items {
1919 if should_close(item.item_id()) {
1920 items_to_close.push(item.boxed_clone());
1921 }
1922 }
1923
1924 let active_item_id = self.active_item().map(|item| item.item_id());
1925
1926 items_to_close.sort_by_key(|item| {
1927 let path = item.project_path(cx);
1928 // Put the currently active item at the end, because if the currently active item is not closed last
1929 // closing the currently active item will cause the focus to switch to another item
1930 // This will cause Zed to expand the content of the currently active item
1931 //
1932 // Beyond that sort in order of project path, with untitled files and multibuffers coming last.
1933 (active_item_id == Some(item.item_id()), path.is_none(), path)
1934 });
1935
1936 let workspace = self.workspace.clone();
1937 let Some(project) = self.project.upgrade() else {
1938 return Task::ready(Ok(()));
1939 };
1940 cx.spawn_in(window, async move |pane, cx| {
1941 let dirty_items = workspace.update(cx, |workspace, cx| {
1942 items_to_close
1943 .iter()
1944 .filter(|item| {
1945 item.is_dirty(cx) && !Self::skip_save_on_close(item.as_ref(), workspace, cx)
1946 })
1947 .map(|item| item.boxed_clone())
1948 .collect::<Vec<_>>()
1949 })?;
1950
1951 if save_intent == SaveIntent::Close && dirty_items.len() > 1 {
1952 let answer = pane.update_in(cx, |_, window, cx| {
1953 let detail = Self::file_names_for_prompt(&mut dirty_items.iter(), cx);
1954 window.prompt(
1955 PromptLevel::Warning,
1956 "Do you want to save changes to the following files?",
1957 Some(&detail),
1958 &["Save all", "Discard all", "Cancel"],
1959 cx,
1960 )
1961 })?;
1962 match answer.await {
1963 Ok(0) => save_intent = SaveIntent::SaveAll,
1964 Ok(1) => save_intent = SaveIntent::Skip,
1965 Ok(2) => return Ok(()),
1966 _ => {}
1967 }
1968 }
1969
1970 for item_to_close in items_to_close {
1971 let mut should_close = true;
1972 let mut should_save = true;
1973 if save_intent == SaveIntent::Close {
1974 workspace.update(cx, |workspace, cx| {
1975 if Self::skip_save_on_close(item_to_close.as_ref(), workspace, cx) {
1976 should_save = false;
1977 }
1978 })?;
1979 }
1980
1981 if should_save {
1982 match Self::save_item(project.clone(), &pane, &*item_to_close, save_intent, cx)
1983 .await
1984 {
1985 Ok(success) => {
1986 if !success {
1987 should_close = false;
1988 }
1989 }
1990 Err(err) => {
1991 let answer = pane.update_in(cx, |_, window, cx| {
1992 let detail = Self::file_names_for_prompt(
1993 &mut [&item_to_close].into_iter(),
1994 cx,
1995 );
1996 window.prompt(
1997 PromptLevel::Warning,
1998 &format!("Unable to save file: {}", &err),
1999 Some(&detail),
2000 &["Close Without Saving", "Cancel"],
2001 cx,
2002 )
2003 })?;
2004 match answer.await {
2005 Ok(0) => {}
2006 Ok(1..) | Err(_) => should_close = false,
2007 }
2008 }
2009 }
2010 }
2011
2012 // Remove the item from the pane.
2013 if should_close {
2014 pane.update_in(cx, |pane, window, cx| {
2015 pane.remove_item(
2016 item_to_close.item_id(),
2017 false,
2018 pane.close_pane_if_empty,
2019 window,
2020 cx,
2021 );
2022 })
2023 .ok();
2024 }
2025 }
2026
2027 pane.update(cx, |_, cx| cx.notify()).ok();
2028 Ok(())
2029 })
2030 }
2031
2032 pub fn take_active_item(
2033 &mut self,
2034 window: &mut Window,
2035 cx: &mut Context<Self>,
2036 ) -> Option<Box<dyn ItemHandle>> {
2037 let item = self.active_item()?;
2038 self.remove_item(item.item_id(), false, false, window, cx);
2039 Some(item)
2040 }
2041
2042 pub fn remove_item(
2043 &mut self,
2044 item_id: EntityId,
2045 activate_pane: bool,
2046 close_pane_if_empty: bool,
2047 window: &mut Window,
2048 cx: &mut Context<Self>,
2049 ) {
2050 let Some(item_index) = self.index_for_item_id(item_id) else {
2051 return;
2052 };
2053 self._remove_item(
2054 item_index,
2055 activate_pane,
2056 close_pane_if_empty,
2057 None,
2058 window,
2059 cx,
2060 )
2061 }
2062
2063 pub fn remove_item_and_focus_on_pane(
2064 &mut self,
2065 item_index: usize,
2066 activate_pane: bool,
2067 focus_on_pane_if_closed: Entity<Pane>,
2068 window: &mut Window,
2069 cx: &mut Context<Self>,
2070 ) {
2071 self._remove_item(
2072 item_index,
2073 activate_pane,
2074 true,
2075 Some(focus_on_pane_if_closed),
2076 window,
2077 cx,
2078 )
2079 }
2080
2081 fn _remove_item(
2082 &mut self,
2083 item_index: usize,
2084 activate_pane: bool,
2085 close_pane_if_empty: bool,
2086 focus_on_pane_if_closed: Option<Entity<Pane>>,
2087 window: &mut Window,
2088 cx: &mut Context<Self>,
2089 ) {
2090 let activate_on_close = &ItemSettings::get_global(cx).activate_on_close;
2091 self.activation_history
2092 .retain(|entry| entry.entity_id != self.items[item_index].item_id());
2093
2094 if self.is_tab_pinned(item_index) {
2095 self.pinned_tab_count -= 1;
2096 }
2097 if item_index == self.active_item_index {
2098 let left_neighbour_index = || item_index.min(self.items.len()).saturating_sub(1);
2099 let index_to_activate = match activate_on_close {
2100 ActivateOnClose::History => self
2101 .activation_history
2102 .pop()
2103 .and_then(|last_activated_item| {
2104 self.items.iter().enumerate().find_map(|(index, item)| {
2105 (item.item_id() == last_activated_item.entity_id).then_some(index)
2106 })
2107 })
2108 // We didn't have a valid activation history entry, so fallback
2109 // to activating the item to the left
2110 .unwrap_or_else(left_neighbour_index),
2111 ActivateOnClose::Neighbour => {
2112 self.activation_history.pop();
2113 if item_index + 1 < self.items.len() {
2114 item_index + 1
2115 } else {
2116 item_index.saturating_sub(1)
2117 }
2118 }
2119 ActivateOnClose::LeftNeighbour => {
2120 self.activation_history.pop();
2121 left_neighbour_index()
2122 }
2123 };
2124
2125 let should_activate = activate_pane || self.has_focus(window, cx);
2126 if self.items.len() == 1 && should_activate {
2127 self.focus_handle.focus(window, cx);
2128 } else {
2129 self.activate_item(
2130 index_to_activate,
2131 should_activate,
2132 should_activate,
2133 window,
2134 cx,
2135 );
2136 }
2137 }
2138
2139 let item = self.items.remove(item_index);
2140
2141 cx.emit(Event::RemovedItem { item: item.clone() });
2142 if self.items.is_empty() {
2143 item.deactivated(window, cx);
2144 if close_pane_if_empty {
2145 self.update_toolbar(window, cx);
2146 cx.emit(Event::Remove {
2147 focus_on_pane: focus_on_pane_if_closed,
2148 });
2149 }
2150 }
2151
2152 if item_index < self.active_item_index {
2153 self.active_item_index -= 1;
2154 }
2155
2156 let mode = self.nav_history.mode();
2157 self.nav_history.set_mode(NavigationMode::ClosingItem);
2158 item.deactivated(window, cx);
2159 item.on_removed(cx);
2160 self.nav_history.set_mode(mode);
2161 self.unpreview_item_if_preview(item.item_id());
2162
2163 if let Some(path) = item.project_path(cx) {
2164 let abs_path = self
2165 .nav_history
2166 .0
2167 .lock()
2168 .paths_by_item
2169 .get(&item.item_id())
2170 .and_then(|(_, abs_path)| abs_path.clone());
2171
2172 self.nav_history
2173 .0
2174 .lock()
2175 .paths_by_item
2176 .insert(item.item_id(), (path, abs_path));
2177 } else {
2178 self.nav_history
2179 .0
2180 .lock()
2181 .paths_by_item
2182 .remove(&item.item_id());
2183 }
2184
2185 if self.zoom_out_on_close && self.items.is_empty() && close_pane_if_empty && self.zoomed {
2186 cx.emit(Event::ZoomOut);
2187 }
2188
2189 cx.notify();
2190 }
2191
2192 pub async fn save_item(
2193 project: Entity<Project>,
2194 pane: &WeakEntity<Pane>,
2195 item: &dyn ItemHandle,
2196 save_intent: SaveIntent,
2197 cx: &mut AsyncWindowContext,
2198 ) -> Result<bool> {
2199 const CONFLICT_MESSAGE: &str = "This file has changed on disk since you started editing it. Do you want to overwrite it?";
2200
2201 const DELETED_MESSAGE: &str = "This file has been deleted on disk since you started editing it. Do you want to recreate it?";
2202
2203 let path_style = project.read_with(cx, |project, cx| project.path_style(cx));
2204 if save_intent == SaveIntent::Skip {
2205 let is_saveable_singleton = cx.update(|_window, cx| {
2206 item.can_save(cx) && item.buffer_kind(cx) == ItemBufferKind::Singleton
2207 })?;
2208 if is_saveable_singleton {
2209 pane.update_in(cx, |_, window, cx| item.reload(project, window, cx))?
2210 .await
2211 .log_err();
2212 }
2213 return Ok(true);
2214 };
2215 let Some(item_ix) = pane
2216 .read_with(cx, |pane, _| pane.index_for_item(item))
2217 .ok()
2218 .flatten()
2219 else {
2220 return Ok(true);
2221 };
2222
2223 let (
2224 mut has_conflict,
2225 mut is_dirty,
2226 mut can_save,
2227 can_save_as,
2228 is_singleton,
2229 has_deleted_file,
2230 ) = cx.update(|_window, cx| {
2231 (
2232 item.has_conflict(cx),
2233 item.is_dirty(cx),
2234 item.can_save(cx),
2235 item.can_save_as(cx),
2236 item.buffer_kind(cx) == ItemBufferKind::Singleton,
2237 item.has_deleted_file(cx),
2238 )
2239 })?;
2240
2241 // when saving a single buffer, we ignore whether or not it's dirty.
2242 if save_intent == SaveIntent::Save || save_intent == SaveIntent::SaveWithoutFormat {
2243 is_dirty = true;
2244 }
2245
2246 if save_intent == SaveIntent::SaveAs {
2247 is_dirty = true;
2248 has_conflict = false;
2249 can_save = false;
2250 }
2251
2252 if save_intent == SaveIntent::Overwrite {
2253 has_conflict = false;
2254 }
2255
2256 let should_format = save_intent != SaveIntent::SaveWithoutFormat;
2257
2258 if has_conflict && can_save {
2259 if has_deleted_file && is_singleton {
2260 let answer = pane.update_in(cx, |pane, window, cx| {
2261 pane.activate_item(item_ix, true, true, window, cx);
2262 window.prompt(
2263 PromptLevel::Warning,
2264 DELETED_MESSAGE,
2265 None,
2266 &["Save", "Close", "Cancel"],
2267 cx,
2268 )
2269 })?;
2270 match answer.await {
2271 Ok(0) => {
2272 pane.update_in(cx, |_, window, cx| {
2273 item.save(
2274 SaveOptions {
2275 format: should_format,
2276 autosave: false,
2277 },
2278 project,
2279 window,
2280 cx,
2281 )
2282 })?
2283 .await?
2284 }
2285 Ok(1) => {
2286 pane.update_in(cx, |pane, window, cx| {
2287 pane.remove_item(item.item_id(), false, true, window, cx)
2288 })?;
2289 }
2290 _ => return Ok(false),
2291 }
2292 return Ok(true);
2293 } else {
2294 let answer = pane.update_in(cx, |pane, window, cx| {
2295 pane.activate_item(item_ix, true, true, window, cx);
2296 window.prompt(
2297 PromptLevel::Warning,
2298 CONFLICT_MESSAGE,
2299 None,
2300 &["Overwrite", "Discard", "Cancel"],
2301 cx,
2302 )
2303 })?;
2304 match answer.await {
2305 Ok(0) => {
2306 pane.update_in(cx, |_, window, cx| {
2307 item.save(
2308 SaveOptions {
2309 format: should_format,
2310 autosave: false,
2311 },
2312 project,
2313 window,
2314 cx,
2315 )
2316 })?
2317 .await?
2318 }
2319 Ok(1) => {
2320 pane.update_in(cx, |_, window, cx| item.reload(project, window, cx))?
2321 .await?
2322 }
2323 _ => return Ok(false),
2324 }
2325 }
2326 } else if is_dirty && (can_save || can_save_as) {
2327 if save_intent == SaveIntent::Close {
2328 let will_autosave = cx.update(|_window, cx| {
2329 item.can_autosave(cx)
2330 && item.workspace_settings(cx).autosave.should_save_on_close()
2331 })?;
2332 if !will_autosave {
2333 let item_id = item.item_id();
2334 let answer_task = pane.update_in(cx, |pane, window, cx| {
2335 if pane.save_modals_spawned.insert(item_id) {
2336 pane.activate_item(item_ix, true, true, window, cx);
2337 let prompt = dirty_message_for(item.project_path(cx), path_style);
2338 Some(window.prompt(
2339 PromptLevel::Warning,
2340 &prompt,
2341 None,
2342 &["Save", "Don't Save", "Cancel"],
2343 cx,
2344 ))
2345 } else {
2346 None
2347 }
2348 })?;
2349 if let Some(answer_task) = answer_task {
2350 let answer = answer_task.await;
2351 pane.update(cx, |pane, _| {
2352 if !pane.save_modals_spawned.remove(&item_id) {
2353 debug_panic!(
2354 "save modal was not present in spawned modals after awaiting for its answer"
2355 )
2356 }
2357 })?;
2358 match answer {
2359 Ok(0) => {}
2360 Ok(1) => {
2361 // Don't save this file - reload from disk to discard changes
2362 pane.update_in(cx, |pane, _, cx| {
2363 if pane.is_tab_pinned(item_ix) && !item.can_save(cx) {
2364 pane.pinned_tab_count -= 1;
2365 }
2366 })
2367 .log_err();
2368 if can_save && is_singleton {
2369 pane.update_in(cx, |_, window, cx| {
2370 item.reload(project.clone(), window, cx)
2371 })?
2372 .await
2373 .log_err();
2374 }
2375 return Ok(true);
2376 }
2377 _ => return Ok(false), // Cancel
2378 }
2379 } else {
2380 return Ok(false);
2381 }
2382 }
2383 }
2384
2385 if can_save {
2386 pane.update_in(cx, |pane, window, cx| {
2387 pane.unpreview_item_if_preview(item.item_id());
2388 item.save(
2389 SaveOptions {
2390 format: should_format,
2391 autosave: false,
2392 },
2393 project,
2394 window,
2395 cx,
2396 )
2397 })?
2398 .await?;
2399 } else if can_save_as && is_singleton {
2400 let suggested_name =
2401 cx.update(|_window, cx| item.suggested_filename(cx).to_string())?;
2402 let new_path = pane.update_in(cx, |pane, window, cx| {
2403 pane.activate_item(item_ix, true, true, window, cx);
2404 pane.workspace.update(cx, |workspace, cx| {
2405 let lister = if workspace.project().read(cx).is_local() {
2406 DirectoryLister::Local(
2407 workspace.project().clone(),
2408 workspace.app_state().fs.clone(),
2409 )
2410 } else {
2411 DirectoryLister::Project(workspace.project().clone())
2412 };
2413 workspace.prompt_for_new_path(lister, Some(suggested_name), window, cx)
2414 })
2415 })??;
2416 let Some(new_path) = new_path.await.ok().flatten().into_iter().flatten().next()
2417 else {
2418 return Ok(false);
2419 };
2420
2421 let project_path = pane
2422 .update(cx, |pane, cx| {
2423 pane.project
2424 .update(cx, |project, cx| {
2425 project.find_or_create_worktree(new_path, true, cx)
2426 })
2427 .ok()
2428 })
2429 .ok()
2430 .flatten();
2431 let save_task = if let Some(project_path) = project_path {
2432 let (worktree, path) = project_path.await?;
2433 let worktree_id = worktree.read_with(cx, |worktree, _| worktree.id());
2434 let new_path = ProjectPath { worktree_id, path };
2435
2436 pane.update_in(cx, |pane, window, cx| {
2437 if let Some(item) = pane.item_for_path(new_path.clone(), cx) {
2438 pane.remove_item(item.item_id(), false, false, window, cx);
2439 }
2440
2441 item.save_as(project, new_path, window, cx)
2442 })?
2443 } else {
2444 return Ok(false);
2445 };
2446
2447 save_task.await?;
2448 return Ok(true);
2449 }
2450 }
2451
2452 pane.update(cx, |_, cx| {
2453 cx.emit(Event::UserSavedItem {
2454 item: item.downgrade_item(),
2455 save_intent,
2456 });
2457 true
2458 })
2459 }
2460
2461 pub fn autosave_item(
2462 item: &dyn ItemHandle,
2463 project: Entity<Project>,
2464 window: &mut Window,
2465 cx: &mut App,
2466 ) -> Task<Result<()>> {
2467 let format = !matches!(
2468 item.workspace_settings(cx).autosave,
2469 AutosaveSetting::AfterDelay { .. }
2470 );
2471 if item.can_autosave(cx) {
2472 item.save(
2473 SaveOptions {
2474 format,
2475 autosave: true,
2476 },
2477 project,
2478 window,
2479 cx,
2480 )
2481 } else {
2482 Task::ready(Ok(()))
2483 }
2484 }
2485
2486 pub fn focus_active_item(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2487 if let Some(active_item) = self.active_item() {
2488 let focus_handle = active_item.item_focus_handle(cx);
2489 window.focus(&focus_handle, cx);
2490 }
2491 }
2492
2493 pub fn split(
2494 &mut self,
2495 direction: SplitDirection,
2496 mode: SplitMode,
2497 window: &mut Window,
2498 cx: &mut Context<Self>,
2499 ) {
2500 if self.items.len() <= 1 && mode == SplitMode::MovePane {
2501 // MovePane with only one pane present behaves like a SplitEmpty in the opposite direction
2502 let active_item = self.active_item();
2503 cx.emit(Event::Split {
2504 direction: direction.opposite(),
2505 mode: SplitMode::EmptyPane,
2506 });
2507 // ensure that we focus the moved pane
2508 // in this case we know that the window is the same as the active_item
2509 if let Some(active_item) = active_item {
2510 cx.defer_in(window, move |_, window, cx| {
2511 let focus_handle = active_item.item_focus_handle(cx);
2512 window.focus(&focus_handle, cx);
2513 });
2514 }
2515 } else {
2516 cx.emit(Event::Split { direction, mode });
2517 }
2518 }
2519
2520 pub fn toolbar(&self) -> &Entity<Toolbar> {
2521 &self.toolbar
2522 }
2523
2524 pub fn handle_deleted_project_item(
2525 &mut self,
2526 entry_id: ProjectEntryId,
2527 window: &mut Window,
2528 cx: &mut Context<Pane>,
2529 ) -> Option<()> {
2530 let item_id = self.items().find_map(|item| {
2531 if item.buffer_kind(cx) == ItemBufferKind::Singleton
2532 && item.project_entry_ids(cx).as_slice() == [entry_id]
2533 {
2534 Some(item.item_id())
2535 } else {
2536 None
2537 }
2538 })?;
2539
2540 self.remove_item(item_id, false, true, window, cx);
2541 self.nav_history.remove_item(item_id);
2542
2543 Some(())
2544 }
2545
2546 fn update_toolbar(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2547 let active_item = self
2548 .items
2549 .get(self.active_item_index)
2550 .map(|item| item.as_ref());
2551 self.toolbar.update(cx, |toolbar, cx| {
2552 toolbar.set_active_item(active_item, window, cx);
2553 });
2554 }
2555
2556 fn update_status_bar(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2557 let workspace = self.workspace.clone();
2558 let pane = cx.entity();
2559
2560 window.defer(cx, move |window, cx| {
2561 let Ok(status_bar) =
2562 workspace.read_with(cx, |workspace, _| workspace.status_bar.clone())
2563 else {
2564 return;
2565 };
2566
2567 status_bar.update(cx, move |status_bar, cx| {
2568 status_bar.set_active_pane(&pane, window, cx);
2569 });
2570 });
2571 }
2572
2573 fn entry_abs_path(&self, entry: ProjectEntryId, cx: &App) -> Option<PathBuf> {
2574 let worktree = self
2575 .workspace
2576 .upgrade()?
2577 .read(cx)
2578 .project()
2579 .read(cx)
2580 .worktree_for_entry(entry, cx)?
2581 .read(cx);
2582 let entry = worktree.entry_for_id(entry)?;
2583 Some(match &entry.canonical_path {
2584 Some(canonical_path) => canonical_path.to_path_buf(),
2585 None => worktree.absolutize(&entry.path),
2586 })
2587 }
2588
2589 pub fn icon_color(selected: bool) -> Color {
2590 if selected {
2591 Color::Default
2592 } else {
2593 Color::Muted
2594 }
2595 }
2596
2597 fn toggle_pin_tab(&mut self, _: &TogglePinTab, window: &mut Window, cx: &mut Context<Self>) {
2598 if self.items.is_empty() {
2599 return;
2600 }
2601 let active_tab_ix = self.active_item_index();
2602 if self.is_tab_pinned(active_tab_ix) {
2603 self.unpin_tab_at(active_tab_ix, window, cx);
2604 } else {
2605 self.pin_tab_at(active_tab_ix, window, cx);
2606 }
2607 }
2608
2609 fn unpin_all_tabs(&mut self, _: &UnpinAllTabs, window: &mut Window, cx: &mut Context<Self>) {
2610 if self.items.is_empty() {
2611 return;
2612 }
2613
2614 let pinned_item_ids = self.pinned_item_ids().into_iter().rev();
2615
2616 for pinned_item_id in pinned_item_ids {
2617 if let Some(ix) = self.index_for_item_id(pinned_item_id) {
2618 self.unpin_tab_at(ix, window, cx);
2619 }
2620 }
2621 }
2622
2623 fn pin_tab_at(&mut self, ix: usize, window: &mut Window, cx: &mut Context<Self>) {
2624 self.change_tab_pin_state(ix, PinOperation::Pin, window, cx);
2625 }
2626
2627 fn unpin_tab_at(&mut self, ix: usize, window: &mut Window, cx: &mut Context<Self>) {
2628 self.change_tab_pin_state(ix, PinOperation::Unpin, window, cx);
2629 }
2630
2631 fn change_tab_pin_state(
2632 &mut self,
2633 ix: usize,
2634 operation: PinOperation,
2635 window: &mut Window,
2636 cx: &mut Context<Self>,
2637 ) {
2638 maybe!({
2639 let pane = cx.entity();
2640
2641 let destination_index = match operation {
2642 PinOperation::Pin => self.pinned_tab_count.min(ix),
2643 PinOperation::Unpin => self.pinned_tab_count.checked_sub(1)?,
2644 };
2645
2646 let id = self.item_for_index(ix)?.item_id();
2647 let should_activate = ix == self.active_item_index;
2648
2649 if matches!(operation, PinOperation::Pin) {
2650 self.unpreview_item_if_preview(id);
2651 }
2652
2653 match operation {
2654 PinOperation::Pin => self.pinned_tab_count += 1,
2655 PinOperation::Unpin => self.pinned_tab_count -= 1,
2656 }
2657
2658 if ix == destination_index {
2659 cx.notify();
2660 } else {
2661 self.workspace
2662 .update(cx, |_, cx| {
2663 cx.defer_in(window, move |_, window, cx| {
2664 move_item(
2665 &pane,
2666 &pane,
2667 id,
2668 destination_index,
2669 should_activate,
2670 window,
2671 cx,
2672 );
2673 });
2674 })
2675 .ok()?;
2676 }
2677
2678 let event = match operation {
2679 PinOperation::Pin => Event::ItemPinned,
2680 PinOperation::Unpin => Event::ItemUnpinned,
2681 };
2682
2683 cx.emit(event);
2684
2685 Some(())
2686 });
2687 }
2688
2689 fn is_tab_pinned(&self, ix: usize) -> bool {
2690 self.pinned_tab_count > ix
2691 }
2692
2693 fn has_unpinned_tabs(&self) -> bool {
2694 self.pinned_tab_count < self.items.len()
2695 }
2696
2697 fn activate_unpinned_tab(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2698 if self.items.is_empty() {
2699 return;
2700 }
2701 let Some(index) = self
2702 .items()
2703 .enumerate()
2704 .find_map(|(index, _item)| (!self.is_tab_pinned(index)).then_some(index))
2705 else {
2706 return;
2707 };
2708 self.activate_item(index, true, true, window, cx);
2709 }
2710
2711 fn render_tab(
2712 &self,
2713 ix: usize,
2714 item: &dyn ItemHandle,
2715 detail: usize,
2716 focus_handle: &FocusHandle,
2717 window: &mut Window,
2718 cx: &mut Context<Pane>,
2719 ) -> impl IntoElement + use<> {
2720 let is_active = ix == self.active_item_index;
2721 let is_preview = self
2722 .preview_item_id
2723 .map(|id| id == item.item_id())
2724 .unwrap_or(false);
2725
2726 let label = item.tab_content(
2727 TabContentParams {
2728 detail: Some(detail),
2729 selected: is_active,
2730 preview: is_preview,
2731 deemphasized: !self.has_focus(window, cx),
2732 },
2733 window,
2734 cx,
2735 );
2736
2737 let item_diagnostic = item
2738 .project_path(cx)
2739 .map_or(None, |project_path| self.diagnostics.get(&project_path));
2740
2741 let decorated_icon = item_diagnostic.map_or(None, |diagnostic| {
2742 let icon = match item.tab_icon(window, cx) {
2743 Some(icon) => icon,
2744 None => return None,
2745 };
2746
2747 let knockout_item_color = if is_active {
2748 cx.theme().colors().tab_active_background
2749 } else {
2750 cx.theme().colors().tab_bar_background
2751 };
2752
2753 let (icon_decoration, icon_color) = if matches!(diagnostic, &DiagnosticSeverity::ERROR)
2754 {
2755 (IconDecorationKind::X, Color::Error)
2756 } else {
2757 (IconDecorationKind::Triangle, Color::Warning)
2758 };
2759
2760 Some(DecoratedIcon::new(
2761 icon.size(IconSize::Small).color(Color::Muted),
2762 Some(
2763 IconDecoration::new(icon_decoration, knockout_item_color, cx)
2764 .color(icon_color.color(cx))
2765 .position(Point {
2766 x: px(-2.),
2767 y: px(-2.),
2768 }),
2769 ),
2770 ))
2771 });
2772
2773 let icon = if decorated_icon.is_none() {
2774 match item_diagnostic {
2775 Some(&DiagnosticSeverity::ERROR) => None,
2776 Some(&DiagnosticSeverity::WARNING) => None,
2777 _ => item
2778 .tab_icon(window, cx)
2779 .map(|icon| icon.color(Color::Muted)),
2780 }
2781 .map(|icon| icon.size(IconSize::Small))
2782 } else {
2783 None
2784 };
2785
2786 let settings = ItemSettings::get_global(cx);
2787 let close_side = &settings.close_position;
2788 let show_close_button = &settings.show_close_button;
2789 let indicator = render_item_indicator(item.boxed_clone(), cx);
2790 let tab_tooltip_content = item.tab_tooltip_content(cx);
2791 let item_id = item.item_id();
2792 let is_first_item = ix == 0;
2793 let is_last_item = ix == self.items.len() - 1;
2794 let is_pinned = self.is_tab_pinned(ix);
2795 let position_relative_to_active_item = ix.cmp(&self.active_item_index);
2796
2797 let read_only_toggle = |toggleable: bool| {
2798 IconButton::new("toggle_read_only", IconName::FileLock)
2799 .size(ButtonSize::None)
2800 .shape(IconButtonShape::Square)
2801 .icon_color(Color::Muted)
2802 .icon_size(IconSize::Small)
2803 .disabled(!toggleable)
2804 .tooltip(move |_, cx| {
2805 Tooltip::with_meta("Unlock File", None, "This will make this file editable", cx)
2806 })
2807 .on_click(cx.listener(move |pane, _, window, cx| {
2808 if let Some(item) = pane.item_for_index(ix) {
2809 item.toggle_read_only(window, cx);
2810 }
2811 }))
2812 };
2813
2814 let has_file_icon = icon.is_some() | decorated_icon.is_some();
2815
2816 let capability = item.capability(cx);
2817 let tab = Tab::new(ix)
2818 .position(if is_first_item {
2819 TabPosition::First
2820 } else if is_last_item {
2821 TabPosition::Last
2822 } else {
2823 TabPosition::Middle(position_relative_to_active_item)
2824 })
2825 .close_side(match close_side {
2826 ClosePosition::Left => ui::TabCloseSide::Start,
2827 ClosePosition::Right => ui::TabCloseSide::End,
2828 })
2829 .toggle_state(is_active)
2830 .on_click(cx.listener({
2831 let item_handle = item.boxed_clone();
2832 move |pane: &mut Self, event: &ClickEvent, window, cx| {
2833 if event.click_count() > 1 {
2834 pane.unpreview_item_if_preview(item_id);
2835 let extra_actions = item_handle.tab_extra_context_menu_actions(window, cx);
2836 if let Some((_, action)) = extra_actions
2837 .into_iter()
2838 .find(|(label, _)| label.as_ref() == "Rename")
2839 {
2840 // Dispatch action directly through the focus handle to avoid
2841 // relay_action's intermediate focus step which can interfere
2842 // with inline editors.
2843 let focus_handle = item_handle.item_focus_handle(cx);
2844 focus_handle.dispatch_action(&*action, window, cx);
2845 return;
2846 }
2847 }
2848 pane.activate_item(ix, true, true, window, cx)
2849 }
2850 }))
2851 .on_aux_click(
2852 cx.listener(move |pane: &mut Self, event: &ClickEvent, window, cx| {
2853 if !event.is_middle_click() {
2854 return;
2855 }
2856
2857 pane.close_item_by_id(item_id, SaveIntent::Close, window, cx)
2858 .detach_and_log_err(cx);
2859 }),
2860 )
2861 .on_drag(
2862 DraggedTab {
2863 item: item.boxed_clone(),
2864 pane: cx.entity(),
2865 detail,
2866 is_active,
2867 ix,
2868 },
2869 |tab, _, _, cx| cx.new(|_| tab.clone()),
2870 )
2871 .drag_over::<DraggedTab>(move |tab, dragged_tab: &DraggedTab, _, cx| {
2872 let mut styled_tab = tab
2873 .bg(cx.theme().colors().drop_target_background)
2874 .border_color(cx.theme().colors().drop_target_border)
2875 .border_0();
2876
2877 if ix < dragged_tab.ix {
2878 styled_tab = styled_tab.border_l_2();
2879 } else if ix > dragged_tab.ix {
2880 styled_tab = styled_tab.border_r_2();
2881 }
2882
2883 styled_tab
2884 })
2885 .drag_over::<DraggedSelection>(|tab, _, _, cx| {
2886 tab.bg(cx.theme().colors().drop_target_background)
2887 })
2888 .when_some(self.can_drop_predicate.clone(), |this, p| {
2889 this.can_drop(move |a, window, cx| p(a, window, cx))
2890 })
2891 .on_drop(
2892 cx.listener(move |this, dragged_tab: &DraggedTab, window, cx| {
2893 this.drag_split_direction = None;
2894 this.handle_tab_drop(dragged_tab, ix, window, cx)
2895 }),
2896 )
2897 .on_drop(
2898 cx.listener(move |this, selection: &DraggedSelection, window, cx| {
2899 this.drag_split_direction = None;
2900 this.handle_dragged_selection_drop(selection, Some(ix), window, cx)
2901 }),
2902 )
2903 .on_drop(cx.listener(move |this, paths, window, cx| {
2904 this.drag_split_direction = None;
2905 this.handle_external_paths_drop(paths, window, cx)
2906 }))
2907 .start_slot::<Indicator>(indicator)
2908 .map(|this| {
2909 let end_slot_action: &'static dyn Action;
2910 let end_slot_tooltip_text: &'static str;
2911 let end_slot = if is_pinned {
2912 end_slot_action = &TogglePinTab;
2913 end_slot_tooltip_text = "Unpin Tab";
2914 IconButton::new("unpin tab", IconName::Pin)
2915 .shape(IconButtonShape::Square)
2916 .icon_color(Color::Muted)
2917 .size(ButtonSize::None)
2918 .icon_size(IconSize::Small)
2919 .on_click(cx.listener(move |pane, _, window, cx| {
2920 pane.unpin_tab_at(ix, window, cx);
2921 }))
2922 } else {
2923 end_slot_action = &CloseActiveItem {
2924 save_intent: None,
2925 close_pinned: false,
2926 };
2927 end_slot_tooltip_text = "Close Tab";
2928 match show_close_button {
2929 ShowCloseButton::Always => IconButton::new("close tab", IconName::Close),
2930 ShowCloseButton::Hover => {
2931 IconButton::new("close tab", IconName::Close).visible_on_hover("")
2932 }
2933 ShowCloseButton::Hidden => return this,
2934 }
2935 .shape(IconButtonShape::Square)
2936 .icon_color(Color::Muted)
2937 .size(ButtonSize::None)
2938 .icon_size(IconSize::Small)
2939 .on_click(cx.listener(move |pane, _, window, cx| {
2940 pane.close_item_by_id(item_id, SaveIntent::Close, window, cx)
2941 .detach_and_log_err(cx);
2942 }))
2943 }
2944 .map(|this| {
2945 if is_active {
2946 let focus_handle = focus_handle.clone();
2947 this.tooltip(move |window, cx| {
2948 Tooltip::for_action_in(
2949 end_slot_tooltip_text,
2950 end_slot_action,
2951 &window.focused(cx).unwrap_or_else(|| focus_handle.clone()),
2952 cx,
2953 )
2954 })
2955 } else {
2956 this.tooltip(Tooltip::text(end_slot_tooltip_text))
2957 }
2958 });
2959 this.end_slot(end_slot)
2960 })
2961 .child(
2962 h_flex()
2963 .id(("pane-tab-content", ix))
2964 .gap_1()
2965 .children(if let Some(decorated_icon) = decorated_icon {
2966 Some(decorated_icon.into_any_element())
2967 } else if let Some(icon) = icon {
2968 Some(icon.into_any_element())
2969 } else if !capability.editable() {
2970 Some(read_only_toggle(capability == Capability::Read).into_any_element())
2971 } else {
2972 None
2973 })
2974 .child(label)
2975 .map(|this| match tab_tooltip_content {
2976 Some(TabTooltipContent::Text(text)) => {
2977 if capability.editable() {
2978 this.tooltip(Tooltip::text(text))
2979 } else {
2980 this.tooltip(move |_, cx| {
2981 let text = text.clone();
2982 Tooltip::with_meta(text, None, "Read-Only File", cx)
2983 })
2984 }
2985 }
2986 Some(TabTooltipContent::Custom(element_fn)) => {
2987 this.tooltip(move |window, cx| element_fn(window, cx))
2988 }
2989 None => this,
2990 })
2991 .when(capability == Capability::Read && has_file_icon, |this| {
2992 this.child(read_only_toggle(true))
2993 }),
2994 );
2995
2996 let single_entry_to_resolve = (self.items[ix].buffer_kind(cx) == ItemBufferKind::Singleton)
2997 .then(|| self.items[ix].project_entry_ids(cx).get(0).copied())
2998 .flatten();
2999
3000 let total_items = self.items.len();
3001 let has_multibuffer_items = self
3002 .items
3003 .iter()
3004 .any(|item| item.buffer_kind(cx) == ItemBufferKind::Multibuffer);
3005 let has_items_to_left = ix > 0;
3006 let has_items_to_right = ix < total_items - 1;
3007 let has_clean_items = self.items.iter().any(|item| !item.is_dirty(cx));
3008 let is_pinned = self.is_tab_pinned(ix);
3009
3010 let pane = cx.entity().downgrade();
3011 let menu_context = item.item_focus_handle(cx);
3012 let item_handle = item.boxed_clone();
3013
3014 right_click_menu(ix)
3015 .trigger(|_, _, _| tab)
3016 .menu(move |window, cx| {
3017 let pane = pane.clone();
3018 let menu_context = menu_context.clone();
3019 let extra_actions = item_handle.tab_extra_context_menu_actions(window, cx);
3020 ContextMenu::build(window, cx, move |mut menu, window, cx| {
3021 let close_active_item_action = CloseActiveItem {
3022 save_intent: None,
3023 close_pinned: true,
3024 };
3025 let close_inactive_items_action = CloseOtherItems {
3026 save_intent: None,
3027 close_pinned: false,
3028 };
3029 let close_multibuffers_action = CloseMultibufferItems {
3030 save_intent: None,
3031 close_pinned: false,
3032 };
3033 let close_items_to_the_left_action = CloseItemsToTheLeft {
3034 close_pinned: false,
3035 };
3036 let close_items_to_the_right_action = CloseItemsToTheRight {
3037 close_pinned: false,
3038 };
3039 let close_clean_items_action = CloseCleanItems {
3040 close_pinned: false,
3041 };
3042 let close_all_items_action = CloseAllItems {
3043 save_intent: None,
3044 close_pinned: false,
3045 };
3046 if let Some(pane) = pane.upgrade() {
3047 menu = menu
3048 .entry(
3049 "Close",
3050 Some(Box::new(close_active_item_action)),
3051 window.handler_for(&pane, move |pane, window, cx| {
3052 pane.close_item_by_id(item_id, SaveIntent::Close, window, cx)
3053 .detach_and_log_err(cx);
3054 }),
3055 )
3056 .item(ContextMenuItem::Entry(
3057 ContextMenuEntry::new("Close Others")
3058 .action(Box::new(close_inactive_items_action.clone()))
3059 .disabled(total_items == 1)
3060 .handler(window.handler_for(&pane, move |pane, window, cx| {
3061 pane.close_other_items(
3062 &close_inactive_items_action,
3063 Some(item_id),
3064 window,
3065 cx,
3066 )
3067 .detach_and_log_err(cx);
3068 })),
3069 ))
3070 // We make this optional, instead of using disabled as to not overwhelm the context menu unnecessarily
3071 .extend(has_multibuffer_items.then(|| {
3072 ContextMenuItem::Entry(
3073 ContextMenuEntry::new("Close Multibuffers")
3074 .action(Box::new(close_multibuffers_action.clone()))
3075 .handler(window.handler_for(
3076 &pane,
3077 move |pane, window, cx| {
3078 pane.close_multibuffer_items(
3079 &close_multibuffers_action,
3080 window,
3081 cx,
3082 )
3083 .detach_and_log_err(cx);
3084 },
3085 )),
3086 )
3087 }))
3088 .separator()
3089 .item(ContextMenuItem::Entry(
3090 ContextMenuEntry::new("Close Left")
3091 .action(Box::new(close_items_to_the_left_action.clone()))
3092 .disabled(!has_items_to_left)
3093 .handler(window.handler_for(&pane, move |pane, window, cx| {
3094 pane.close_items_to_the_left_by_id(
3095 Some(item_id),
3096 &close_items_to_the_left_action,
3097 window,
3098 cx,
3099 )
3100 .detach_and_log_err(cx);
3101 })),
3102 ))
3103 .item(ContextMenuItem::Entry(
3104 ContextMenuEntry::new("Close Right")
3105 .action(Box::new(close_items_to_the_right_action.clone()))
3106 .disabled(!has_items_to_right)
3107 .handler(window.handler_for(&pane, move |pane, window, cx| {
3108 pane.close_items_to_the_right_by_id(
3109 Some(item_id),
3110 &close_items_to_the_right_action,
3111 window,
3112 cx,
3113 )
3114 .detach_and_log_err(cx);
3115 })),
3116 ))
3117 .separator()
3118 .item(ContextMenuItem::Entry(
3119 ContextMenuEntry::new("Close Clean")
3120 .action(Box::new(close_clean_items_action.clone()))
3121 .disabled(!has_clean_items)
3122 .handler(window.handler_for(&pane, move |pane, window, cx| {
3123 pane.close_clean_items(
3124 &close_clean_items_action,
3125 window,
3126 cx,
3127 )
3128 .detach_and_log_err(cx)
3129 })),
3130 ))
3131 .entry(
3132 "Close All",
3133 Some(Box::new(close_all_items_action.clone())),
3134 window.handler_for(&pane, move |pane, window, cx| {
3135 pane.close_all_items(&close_all_items_action, window, cx)
3136 .detach_and_log_err(cx)
3137 }),
3138 );
3139
3140 let pin_tab_entries = |menu: ContextMenu| {
3141 menu.separator().map(|this| {
3142 if is_pinned {
3143 this.entry(
3144 "Unpin Tab",
3145 Some(TogglePinTab.boxed_clone()),
3146 window.handler_for(&pane, move |pane, window, cx| {
3147 pane.unpin_tab_at(ix, window, cx);
3148 }),
3149 )
3150 } else {
3151 this.entry(
3152 "Pin Tab",
3153 Some(TogglePinTab.boxed_clone()),
3154 window.handler_for(&pane, move |pane, window, cx| {
3155 pane.pin_tab_at(ix, window, cx);
3156 }),
3157 )
3158 }
3159 })
3160 };
3161
3162 if capability != Capability::ReadOnly {
3163 let read_only_label = if capability.editable() {
3164 "Make File Read-Only"
3165 } else {
3166 "Make File Editable"
3167 };
3168 menu = menu.separator().entry(
3169 read_only_label,
3170 None,
3171 window.handler_for(&pane, move |pane, window, cx| {
3172 if let Some(item) = pane.item_for_index(ix) {
3173 item.toggle_read_only(window, cx);
3174 }
3175 }),
3176 );
3177 }
3178
3179 if let Some(entry) = single_entry_to_resolve {
3180 let project_path = pane
3181 .read(cx)
3182 .item_for_entry(entry, cx)
3183 .and_then(|item| item.project_path(cx));
3184 let worktree = project_path.as_ref().and_then(|project_path| {
3185 pane.read(cx)
3186 .project
3187 .upgrade()?
3188 .read(cx)
3189 .worktree_for_id(project_path.worktree_id, cx)
3190 });
3191 let has_relative_path = worktree.as_ref().is_some_and(|worktree| {
3192 worktree
3193 .read(cx)
3194 .root_entry()
3195 .is_some_and(|entry| entry.is_dir())
3196 });
3197
3198 let entry_abs_path = pane.read(cx).entry_abs_path(entry, cx);
3199 let parent_abs_path = entry_abs_path
3200 .as_deref()
3201 .and_then(|abs_path| Some(abs_path.parent()?.to_path_buf()));
3202 let relative_path = project_path
3203 .map(|project_path| project_path.path)
3204 .filter(|_| has_relative_path);
3205
3206 let visible_in_project_panel = relative_path.is_some()
3207 && worktree.is_some_and(|worktree| worktree.read(cx).is_visible());
3208
3209 let entry_id = entry.to_proto();
3210
3211 menu = menu
3212 .separator()
3213 .when_some(entry_abs_path, |menu, abs_path| {
3214 menu.entry(
3215 "Copy Path",
3216 Some(Box::new(zed_actions::workspace::CopyPath)),
3217 window.handler_for(&pane, move |_, _, cx| {
3218 cx.write_to_clipboard(ClipboardItem::new_string(
3219 abs_path.to_string_lossy().into_owned(),
3220 ));
3221 }),
3222 )
3223 })
3224 .when_some(relative_path, |menu, relative_path| {
3225 menu.entry(
3226 "Copy Relative Path",
3227 Some(Box::new(zed_actions::workspace::CopyRelativePath)),
3228 window.handler_for(&pane, move |this, _, cx| {
3229 let Some(project) = this.project.upgrade() else {
3230 return;
3231 };
3232 let path_style = project
3233 .update(cx, |project, cx| project.path_style(cx));
3234 cx.write_to_clipboard(ClipboardItem::new_string(
3235 relative_path.display(path_style).to_string(),
3236 ));
3237 }),
3238 )
3239 })
3240 .map(pin_tab_entries)
3241 .separator()
3242 .when(visible_in_project_panel, |menu| {
3243 menu.entry(
3244 "Reveal In Project Panel",
3245 Some(Box::new(RevealInProjectPanel::default())),
3246 window.handler_for(&pane, move |pane, _, cx| {
3247 pane.project
3248 .update(cx, |_, cx| {
3249 cx.emit(project::Event::RevealInProjectPanel(
3250 ProjectEntryId::from_proto(entry_id),
3251 ))
3252 })
3253 .ok();
3254 }),
3255 )
3256 })
3257 .when_some(parent_abs_path, |menu, parent_abs_path| {
3258 menu.entry(
3259 "Open in Terminal",
3260 Some(Box::new(OpenInTerminal)),
3261 window.handler_for(&pane, move |_, window, cx| {
3262 window.dispatch_action(
3263 OpenTerminal {
3264 working_directory: parent_abs_path.clone(),
3265 local: false,
3266 }
3267 .boxed_clone(),
3268 cx,
3269 );
3270 }),
3271 )
3272 });
3273 } else {
3274 menu = menu.map(pin_tab_entries);
3275 }
3276 };
3277
3278 // Add custom item-specific actions
3279 if !extra_actions.is_empty() {
3280 menu = menu.separator();
3281 for (label, action) in extra_actions {
3282 menu = menu.action(label, action);
3283 }
3284 }
3285
3286 menu.context(menu_context)
3287 })
3288 })
3289 }
3290
3291 fn render_tab_bar(&mut self, window: &mut Window, cx: &mut Context<Pane>) -> AnyElement {
3292 if self.workspace.upgrade().is_none() {
3293 return gpui::Empty.into_any();
3294 }
3295
3296 let focus_handle = self.focus_handle.clone();
3297
3298 let navigate_backward = IconButton::new("navigate_backward", IconName::ArrowLeft)
3299 .icon_size(IconSize::Small)
3300 .on_click({
3301 let entity = cx.entity();
3302 move |_, window, cx| {
3303 entity.update(cx, |pane, cx| {
3304 pane.navigate_backward(&Default::default(), window, cx)
3305 })
3306 }
3307 })
3308 .disabled(!self.can_navigate_backward())
3309 .tooltip({
3310 let focus_handle = focus_handle.clone();
3311 move |window, cx| {
3312 Tooltip::for_action_in(
3313 "Go Back",
3314 &GoBack,
3315 &window.focused(cx).unwrap_or_else(|| focus_handle.clone()),
3316 cx,
3317 )
3318 }
3319 });
3320
3321 let navigate_forward = IconButton::new("navigate_forward", IconName::ArrowRight)
3322 .icon_size(IconSize::Small)
3323 .on_click({
3324 let entity = cx.entity();
3325 move |_, window, cx| {
3326 entity.update(cx, |pane, cx| {
3327 pane.navigate_forward(&Default::default(), window, cx)
3328 })
3329 }
3330 })
3331 .disabled(!self.can_navigate_forward())
3332 .tooltip({
3333 let focus_handle = focus_handle.clone();
3334 move |window, cx| {
3335 Tooltip::for_action_in(
3336 "Go Forward",
3337 &GoForward,
3338 &window.focused(cx).unwrap_or_else(|| focus_handle.clone()),
3339 cx,
3340 )
3341 }
3342 });
3343
3344 let mut tab_items = self
3345 .items
3346 .iter()
3347 .enumerate()
3348 .zip(tab_details(&self.items, window, cx))
3349 .map(|((ix, item), detail)| {
3350 self.render_tab(ix, &**item, detail, &focus_handle, window, cx)
3351 .into_any_element()
3352 })
3353 .collect::<Vec<_>>();
3354 let tab_count = tab_items.len();
3355 if self.is_tab_pinned(tab_count) {
3356 log::warn!(
3357 "Pinned tab count ({}) exceeds actual tab count ({}). \
3358 This should not happen. If possible, add reproduction steps, \
3359 in a comment, to https://github.com/zed-industries/zed/issues/33342",
3360 self.pinned_tab_count,
3361 tab_count
3362 );
3363 self.pinned_tab_count = tab_count;
3364 }
3365 let unpinned_tabs = tab_items.split_off(self.pinned_tab_count);
3366 let pinned_tabs = tab_items;
3367
3368 let tab_bar_settings = TabBarSettings::get_global(cx);
3369 let use_separate_rows = tab_bar_settings.show_pinned_tabs_in_separate_row;
3370
3371 if use_separate_rows && !pinned_tabs.is_empty() && !unpinned_tabs.is_empty() {
3372 self.render_two_row_tab_bar(
3373 pinned_tabs,
3374 unpinned_tabs,
3375 tab_count,
3376 navigate_backward,
3377 navigate_forward,
3378 window,
3379 cx,
3380 )
3381 } else {
3382 self.render_single_row_tab_bar(
3383 pinned_tabs,
3384 unpinned_tabs,
3385 tab_count,
3386 navigate_backward,
3387 navigate_forward,
3388 window,
3389 cx,
3390 )
3391 }
3392 }
3393
3394 fn configure_tab_bar_start(
3395 &mut self,
3396 tab_bar: TabBar,
3397 navigate_backward: IconButton,
3398 navigate_forward: IconButton,
3399 window: &mut Window,
3400 cx: &mut Context<Pane>,
3401 ) -> TabBar {
3402 tab_bar
3403 .when(
3404 self.display_nav_history_buttons.unwrap_or_default(),
3405 |tab_bar| {
3406 tab_bar
3407 .start_child(navigate_backward)
3408 .start_child(navigate_forward)
3409 },
3410 )
3411 .map(|tab_bar| {
3412 if self.show_tab_bar_buttons {
3413 let render_tab_buttons = self.render_tab_bar_buttons.clone();
3414 let (left_children, right_children) = render_tab_buttons(self, window, cx);
3415 tab_bar
3416 .start_children(left_children)
3417 .end_children(right_children)
3418 } else {
3419 tab_bar
3420 }
3421 })
3422 }
3423
3424 fn render_single_row_tab_bar(
3425 &mut self,
3426 pinned_tabs: Vec<AnyElement>,
3427 unpinned_tabs: Vec<AnyElement>,
3428 tab_count: usize,
3429 navigate_backward: IconButton,
3430 navigate_forward: IconButton,
3431 window: &mut Window,
3432 cx: &mut Context<Pane>,
3433 ) -> AnyElement {
3434 let tab_bar = self
3435 .configure_tab_bar_start(
3436 TabBar::new("tab_bar"),
3437 navigate_backward,
3438 navigate_forward,
3439 window,
3440 cx,
3441 )
3442 .children(pinned_tabs.len().ne(&0).then(|| {
3443 let max_scroll = self.tab_bar_scroll_handle.max_offset().width;
3444 // We need to check both because offset returns delta values even when the scroll handle is not scrollable
3445 let is_scrolled = self.tab_bar_scroll_handle.offset().x < px(0.);
3446 // Avoid flickering when max_offset is very small (< 2px).
3447 // The border adds 1-2px which can push max_offset back to 0, creating a loop.
3448 let is_scrollable = max_scroll > px(2.0);
3449 let has_active_unpinned_tab = self.active_item_index >= self.pinned_tab_count;
3450 h_flex()
3451 .children(pinned_tabs)
3452 .when(is_scrollable && is_scrolled, |this| {
3453 this.when(has_active_unpinned_tab, |this| this.border_r_2())
3454 .when(!has_active_unpinned_tab, |this| this.border_r_1())
3455 .border_color(cx.theme().colors().border)
3456 })
3457 }))
3458 .child(self.render_unpinned_tabs_container(unpinned_tabs, tab_count, cx));
3459 tab_bar.into_any_element()
3460 }
3461
3462 fn render_two_row_tab_bar(
3463 &mut self,
3464 pinned_tabs: Vec<AnyElement>,
3465 unpinned_tabs: Vec<AnyElement>,
3466 tab_count: usize,
3467 navigate_backward: IconButton,
3468 navigate_forward: IconButton,
3469 window: &mut Window,
3470 cx: &mut Context<Pane>,
3471 ) -> AnyElement {
3472 let pinned_tab_bar = self
3473 .configure_tab_bar_start(
3474 TabBar::new("pinned_tab_bar"),
3475 navigate_backward,
3476 navigate_forward,
3477 window,
3478 cx,
3479 )
3480 .child(
3481 h_flex()
3482 .id("pinned_tabs_row")
3483 .debug_selector(|| "pinned_tabs_row".into())
3484 .overflow_x_scroll()
3485 .w_full()
3486 .children(pinned_tabs)
3487 .child(self.render_pinned_tab_bar_drop_target(cx)),
3488 );
3489 v_flex()
3490 .w_full()
3491 .flex_none()
3492 .child(pinned_tab_bar)
3493 .child(
3494 TabBar::new("unpinned_tab_bar").child(self.render_unpinned_tabs_container(
3495 unpinned_tabs,
3496 tab_count,
3497 cx,
3498 )),
3499 )
3500 .into_any_element()
3501 }
3502
3503 fn render_unpinned_tabs_container(
3504 &mut self,
3505 unpinned_tabs: Vec<AnyElement>,
3506 tab_count: usize,
3507 cx: &mut Context<Pane>,
3508 ) -> impl IntoElement {
3509 h_flex()
3510 .id("unpinned tabs")
3511 .overflow_x_scroll()
3512 .w_full()
3513 .track_scroll(&self.tab_bar_scroll_handle)
3514 .on_scroll_wheel(cx.listener(|this, _, _, _| {
3515 this.suppress_scroll = true;
3516 }))
3517 .children(unpinned_tabs)
3518 .child(self.render_tab_bar_drop_target(tab_count, cx))
3519 }
3520
3521 fn render_tab_bar_drop_target(
3522 &self,
3523 tab_count: usize,
3524 cx: &mut Context<Pane>,
3525 ) -> impl IntoElement {
3526 div()
3527 .id("tab_bar_drop_target")
3528 .min_w_6()
3529 .h(Tab::container_height(cx))
3530 .flex_grow()
3531 // HACK: This empty child is currently necessary to force the drop target to appear
3532 // despite us setting a min width above.
3533 .child("")
3534 .drag_over::<DraggedTab>(|bar, _, _, cx| {
3535 bar.bg(cx.theme().colors().drop_target_background)
3536 })
3537 .drag_over::<DraggedSelection>(|bar, _, _, cx| {
3538 bar.bg(cx.theme().colors().drop_target_background)
3539 })
3540 .on_drop(
3541 cx.listener(move |this, dragged_tab: &DraggedTab, window, cx| {
3542 this.drag_split_direction = None;
3543 this.handle_tab_drop(dragged_tab, this.items.len(), window, cx)
3544 }),
3545 )
3546 .on_drop(
3547 cx.listener(move |this, selection: &DraggedSelection, window, cx| {
3548 this.drag_split_direction = None;
3549 this.handle_project_entry_drop(
3550 &selection.active_selection.entry_id,
3551 Some(tab_count),
3552 window,
3553 cx,
3554 )
3555 }),
3556 )
3557 .on_drop(cx.listener(move |this, paths, window, cx| {
3558 this.drag_split_direction = None;
3559 this.handle_external_paths_drop(paths, window, cx)
3560 }))
3561 .on_click(cx.listener(move |this, event: &ClickEvent, window, cx| {
3562 if event.click_count() == 2 {
3563 window.dispatch_action(this.double_click_dispatch_action.boxed_clone(), cx);
3564 }
3565 }))
3566 }
3567
3568 fn render_pinned_tab_bar_drop_target(&self, cx: &mut Context<Pane>) -> impl IntoElement {
3569 div()
3570 .id("pinned_tabs_border")
3571 .debug_selector(|| "pinned_tabs_border".into())
3572 .min_w_6()
3573 .h(Tab::container_height(cx))
3574 .flex_grow()
3575 .border_l_1()
3576 .border_color(cx.theme().colors().border)
3577 // HACK: This empty child is currently necessary to force the drop target to appear
3578 // despite us setting a min width above.
3579 .child("")
3580 .drag_over::<DraggedTab>(|bar, _, _, cx| {
3581 bar.bg(cx.theme().colors().drop_target_background)
3582 })
3583 .drag_over::<DraggedSelection>(|bar, _, _, cx| {
3584 bar.bg(cx.theme().colors().drop_target_background)
3585 })
3586 .on_drop(
3587 cx.listener(move |this, dragged_tab: &DraggedTab, window, cx| {
3588 this.drag_split_direction = None;
3589 this.handle_pinned_tab_bar_drop(dragged_tab, window, cx)
3590 }),
3591 )
3592 .on_drop(
3593 cx.listener(move |this, selection: &DraggedSelection, window, cx| {
3594 this.drag_split_direction = None;
3595 this.handle_project_entry_drop(
3596 &selection.active_selection.entry_id,
3597 Some(this.pinned_tab_count),
3598 window,
3599 cx,
3600 )
3601 }),
3602 )
3603 .on_drop(cx.listener(move |this, paths, window, cx| {
3604 this.drag_split_direction = None;
3605 this.handle_external_paths_drop(paths, window, cx)
3606 }))
3607 }
3608
3609 pub fn render_menu_overlay(menu: &Entity<ContextMenu>) -> Div {
3610 div().absolute().bottom_0().right_0().size_0().child(
3611 deferred(anchored().anchor(Corner::TopRight).child(menu.clone())).with_priority(1),
3612 )
3613 }
3614
3615 pub fn set_zoomed(&mut self, zoomed: bool, cx: &mut Context<Self>) {
3616 self.zoomed = zoomed;
3617 cx.notify();
3618 }
3619
3620 pub fn is_zoomed(&self) -> bool {
3621 self.zoomed
3622 }
3623
3624 fn handle_drag_move<T: 'static>(
3625 &mut self,
3626 event: &DragMoveEvent<T>,
3627 window: &mut Window,
3628 cx: &mut Context<Self>,
3629 ) {
3630 let can_split_predicate = self.can_split_predicate.take();
3631 let can_split = match &can_split_predicate {
3632 Some(can_split_predicate) => {
3633 can_split_predicate(self, event.dragged_item(), window, cx)
3634 }
3635 None => false,
3636 };
3637 self.can_split_predicate = can_split_predicate;
3638 if !can_split {
3639 return;
3640 }
3641
3642 let rect = event.bounds.size;
3643
3644 let size = event.bounds.size.width.min(event.bounds.size.height)
3645 * WorkspaceSettings::get_global(cx).drop_target_size;
3646
3647 let relative_cursor = Point::new(
3648 event.event.position.x - event.bounds.left(),
3649 event.event.position.y - event.bounds.top(),
3650 );
3651
3652 let direction = if relative_cursor.x < size
3653 || relative_cursor.x > rect.width - size
3654 || relative_cursor.y < size
3655 || relative_cursor.y > rect.height - size
3656 {
3657 [
3658 SplitDirection::Up,
3659 SplitDirection::Right,
3660 SplitDirection::Down,
3661 SplitDirection::Left,
3662 ]
3663 .iter()
3664 .min_by_key(|side| match side {
3665 SplitDirection::Up => relative_cursor.y,
3666 SplitDirection::Right => rect.width - relative_cursor.x,
3667 SplitDirection::Down => rect.height - relative_cursor.y,
3668 SplitDirection::Left => relative_cursor.x,
3669 })
3670 .cloned()
3671 } else {
3672 None
3673 };
3674
3675 if direction != self.drag_split_direction {
3676 self.drag_split_direction = direction;
3677 }
3678 }
3679
3680 pub fn handle_tab_drop(
3681 &mut self,
3682 dragged_tab: &DraggedTab,
3683 ix: usize,
3684 window: &mut Window,
3685 cx: &mut Context<Self>,
3686 ) {
3687 if let Some(custom_drop_handle) = self.custom_drop_handle.clone()
3688 && let ControlFlow::Break(()) = custom_drop_handle(self, dragged_tab, window, cx)
3689 {
3690 return;
3691 }
3692 let mut to_pane = cx.entity();
3693 let split_direction = self.drag_split_direction;
3694 let item_id = dragged_tab.item.item_id();
3695 self.unpreview_item_if_preview(item_id);
3696
3697 let is_clone = cfg!(target_os = "macos") && window.modifiers().alt
3698 || cfg!(not(target_os = "macos")) && window.modifiers().control;
3699
3700 let from_pane = dragged_tab.pane.clone();
3701
3702 self.workspace
3703 .update(cx, |_, cx| {
3704 cx.defer_in(window, move |workspace, window, cx| {
3705 if let Some(split_direction) = split_direction {
3706 to_pane = workspace.split_pane(to_pane, split_direction, window, cx);
3707 }
3708 let database_id = workspace.database_id();
3709 let was_pinned_in_from_pane = from_pane.read_with(cx, |pane, _| {
3710 pane.index_for_item_id(item_id)
3711 .is_some_and(|ix| pane.is_tab_pinned(ix))
3712 });
3713 let to_pane_old_length = to_pane.read(cx).items.len();
3714 if is_clone {
3715 let Some(item) = from_pane
3716 .read(cx)
3717 .items()
3718 .find(|item| item.item_id() == item_id)
3719 .cloned()
3720 else {
3721 return;
3722 };
3723 if item.can_split(cx) {
3724 let task = item.clone_on_split(database_id, window, cx);
3725 let to_pane = to_pane.downgrade();
3726 cx.spawn_in(window, async move |_, cx| {
3727 if let Some(item) = task.await {
3728 to_pane
3729 .update_in(cx, |pane, window, cx| {
3730 pane.add_item(item, true, true, None, window, cx)
3731 })
3732 .ok();
3733 }
3734 })
3735 .detach();
3736 } else {
3737 move_item(&from_pane, &to_pane, item_id, ix, true, window, cx);
3738 }
3739 } else {
3740 move_item(&from_pane, &to_pane, item_id, ix, true, window, cx);
3741 }
3742 to_pane.update(cx, |this, _| {
3743 if to_pane == from_pane {
3744 let actual_ix = this
3745 .items
3746 .iter()
3747 .position(|item| item.item_id() == item_id)
3748 .unwrap_or(0);
3749
3750 let is_pinned_in_to_pane = this.is_tab_pinned(actual_ix);
3751
3752 if !was_pinned_in_from_pane && is_pinned_in_to_pane {
3753 this.pinned_tab_count += 1;
3754 } else if was_pinned_in_from_pane && !is_pinned_in_to_pane {
3755 this.pinned_tab_count -= 1;
3756 }
3757 } else if this.items.len() >= to_pane_old_length {
3758 let is_pinned_in_to_pane = this.is_tab_pinned(ix);
3759 let item_created_pane = to_pane_old_length == 0;
3760 let is_first_position = ix == 0;
3761 let was_dropped_at_beginning = item_created_pane || is_first_position;
3762 let should_remain_pinned = is_pinned_in_to_pane
3763 || (was_pinned_in_from_pane && was_dropped_at_beginning);
3764
3765 if should_remain_pinned {
3766 this.pinned_tab_count += 1;
3767 }
3768 }
3769 });
3770 });
3771 })
3772 .log_err();
3773 }
3774
3775 fn handle_pinned_tab_bar_drop(
3776 &mut self,
3777 dragged_tab: &DraggedTab,
3778 window: &mut Window,
3779 cx: &mut Context<Self>,
3780 ) {
3781 let item_id = dragged_tab.item.item_id();
3782 let pinned_count = self.pinned_tab_count;
3783
3784 self.handle_tab_drop(dragged_tab, pinned_count, window, cx);
3785
3786 let to_pane = cx.entity();
3787
3788 self.workspace
3789 .update(cx, |_, cx| {
3790 cx.defer_in(window, move |_, _, cx| {
3791 to_pane.update(cx, |this, cx| {
3792 if let Some(actual_ix) = this.index_for_item_id(item_id) {
3793 // If the tab ended up at or after pinned_tab_count, it's not pinned
3794 // so we pin it now
3795 if actual_ix >= this.pinned_tab_count {
3796 let was_active = this.active_item_index == actual_ix;
3797 let destination_ix = this.pinned_tab_count;
3798
3799 // Move item to pinned area if needed
3800 if actual_ix != destination_ix {
3801 let item = this.items.remove(actual_ix);
3802 this.items.insert(destination_ix, item);
3803
3804 // Update active_item_index to follow the moved item
3805 if was_active {
3806 this.active_item_index = destination_ix;
3807 } else if this.active_item_index > actual_ix
3808 && this.active_item_index <= destination_ix
3809 {
3810 // Item moved left past the active item
3811 this.active_item_index -= 1;
3812 } else if this.active_item_index >= destination_ix
3813 && this.active_item_index < actual_ix
3814 {
3815 // Item moved right past the active item
3816 this.active_item_index += 1;
3817 }
3818 }
3819 this.pinned_tab_count += 1;
3820 cx.notify();
3821 }
3822 }
3823 });
3824 });
3825 })
3826 .log_err();
3827 }
3828
3829 fn handle_dragged_selection_drop(
3830 &mut self,
3831 dragged_selection: &DraggedSelection,
3832 dragged_onto: Option<usize>,
3833 window: &mut Window,
3834 cx: &mut Context<Self>,
3835 ) {
3836 if let Some(custom_drop_handle) = self.custom_drop_handle.clone()
3837 && let ControlFlow::Break(()) = custom_drop_handle(self, dragged_selection, window, cx)
3838 {
3839 return;
3840 }
3841 self.handle_project_entry_drop(
3842 &dragged_selection.active_selection.entry_id,
3843 dragged_onto,
3844 window,
3845 cx,
3846 );
3847 }
3848
3849 fn handle_project_entry_drop(
3850 &mut self,
3851 project_entry_id: &ProjectEntryId,
3852 target: Option<usize>,
3853 window: &mut Window,
3854 cx: &mut Context<Self>,
3855 ) {
3856 if let Some(custom_drop_handle) = self.custom_drop_handle.clone()
3857 && let ControlFlow::Break(()) = custom_drop_handle(self, project_entry_id, window, cx)
3858 {
3859 return;
3860 }
3861 let mut to_pane = cx.entity();
3862 let split_direction = self.drag_split_direction;
3863 let project_entry_id = *project_entry_id;
3864 self.workspace
3865 .update(cx, |_, cx| {
3866 cx.defer_in(window, move |workspace, window, cx| {
3867 if let Some(project_path) = workspace
3868 .project()
3869 .read(cx)
3870 .path_for_entry(project_entry_id, cx)
3871 {
3872 let load_path_task = workspace.load_path(project_path.clone(), window, cx);
3873 cx.spawn_in(window, async move |workspace, mut cx| {
3874 if let Some((project_entry_id, build_item)) = load_path_task
3875 .await
3876 .notify_workspace_async_err(workspace.clone(), &mut cx)
3877 {
3878 let (to_pane, new_item_handle) = workspace
3879 .update_in(cx, |workspace, window, cx| {
3880 if let Some(split_direction) = split_direction {
3881 to_pane = workspace.split_pane(
3882 to_pane,
3883 split_direction,
3884 window,
3885 cx,
3886 );
3887 }
3888 let new_item_handle = to_pane.update(cx, |pane, cx| {
3889 pane.open_item(
3890 project_entry_id,
3891 project_path,
3892 true,
3893 false,
3894 true,
3895 target,
3896 window,
3897 cx,
3898 build_item,
3899 )
3900 });
3901 (to_pane, new_item_handle)
3902 })
3903 .log_err()?;
3904 to_pane
3905 .update_in(cx, |this, window, cx| {
3906 let Some(index) = this.index_for_item(&*new_item_handle)
3907 else {
3908 return;
3909 };
3910
3911 if target.is_some_and(|target| this.is_tab_pinned(target)) {
3912 this.pin_tab_at(index, window, cx);
3913 }
3914 })
3915 .ok()?
3916 }
3917 Some(())
3918 })
3919 .detach();
3920 };
3921 });
3922 })
3923 .log_err();
3924 }
3925
3926 fn handle_external_paths_drop(
3927 &mut self,
3928 paths: &ExternalPaths,
3929 window: &mut Window,
3930 cx: &mut Context<Self>,
3931 ) {
3932 if let Some(custom_drop_handle) = self.custom_drop_handle.clone()
3933 && let ControlFlow::Break(()) = custom_drop_handle(self, paths, window, cx)
3934 {
3935 return;
3936 }
3937 let mut to_pane = cx.entity();
3938 let mut split_direction = self.drag_split_direction;
3939 let paths = paths.paths().to_vec();
3940 let is_remote = self
3941 .workspace
3942 .update(cx, |workspace, cx| {
3943 if workspace.project().read(cx).is_via_collab() {
3944 workspace.show_error(
3945 &anyhow::anyhow!("Cannot drop files on a remote project"),
3946 cx,
3947 );
3948 true
3949 } else {
3950 false
3951 }
3952 })
3953 .unwrap_or(true);
3954 if is_remote {
3955 return;
3956 }
3957
3958 self.workspace
3959 .update(cx, |workspace, cx| {
3960 let fs = Arc::clone(workspace.project().read(cx).fs());
3961 cx.spawn_in(window, async move |workspace, cx| {
3962 let mut is_file_checks = FuturesUnordered::new();
3963 for path in &paths {
3964 is_file_checks.push(fs.is_file(path))
3965 }
3966 let mut has_files_to_open = false;
3967 while let Some(is_file) = is_file_checks.next().await {
3968 if is_file {
3969 has_files_to_open = true;
3970 break;
3971 }
3972 }
3973 drop(is_file_checks);
3974 if !has_files_to_open {
3975 split_direction = None;
3976 }
3977
3978 if let Ok((open_task, to_pane)) =
3979 workspace.update_in(cx, |workspace, window, cx| {
3980 if let Some(split_direction) = split_direction {
3981 to_pane =
3982 workspace.split_pane(to_pane, split_direction, window, cx);
3983 }
3984 (
3985 workspace.open_paths(
3986 paths,
3987 OpenOptions {
3988 visible: Some(OpenVisible::OnlyDirectories),
3989 ..Default::default()
3990 },
3991 Some(to_pane.downgrade()),
3992 window,
3993 cx,
3994 ),
3995 to_pane,
3996 )
3997 })
3998 {
3999 let opened_items: Vec<_> = open_task.await;
4000 _ = workspace.update_in(cx, |workspace, window, cx| {
4001 for item in opened_items.into_iter().flatten() {
4002 if let Err(e) = item {
4003 workspace.show_error(&e, cx);
4004 }
4005 }
4006 if to_pane.read(cx).items_len() == 0 {
4007 workspace.remove_pane(to_pane, None, window, cx);
4008 }
4009 });
4010 }
4011 })
4012 .detach();
4013 })
4014 .log_err();
4015 }
4016
4017 pub fn display_nav_history_buttons(&mut self, display: Option<bool>) {
4018 self.display_nav_history_buttons = display;
4019 }
4020
4021 fn pinned_item_ids(&self) -> Vec<EntityId> {
4022 self.items
4023 .iter()
4024 .enumerate()
4025 .filter_map(|(index, item)| {
4026 if self.is_tab_pinned(index) {
4027 return Some(item.item_id());
4028 }
4029
4030 None
4031 })
4032 .collect()
4033 }
4034
4035 fn clean_item_ids(&self, cx: &mut Context<Pane>) -> Vec<EntityId> {
4036 self.items()
4037 .filter_map(|item| {
4038 if !item.is_dirty(cx) {
4039 return Some(item.item_id());
4040 }
4041
4042 None
4043 })
4044 .collect()
4045 }
4046
4047 fn to_the_side_item_ids(&self, item_id: EntityId, side: Side) -> Vec<EntityId> {
4048 match side {
4049 Side::Left => self
4050 .items()
4051 .take_while(|item| item.item_id() != item_id)
4052 .map(|item| item.item_id())
4053 .collect(),
4054 Side::Right => self
4055 .items()
4056 .rev()
4057 .take_while(|item| item.item_id() != item_id)
4058 .map(|item| item.item_id())
4059 .collect(),
4060 }
4061 }
4062
4063 fn multibuffer_item_ids(&self, cx: &mut Context<Pane>) -> Vec<EntityId> {
4064 self.items()
4065 .filter(|item| item.buffer_kind(cx) == ItemBufferKind::Multibuffer)
4066 .map(|item| item.item_id())
4067 .collect()
4068 }
4069
4070 pub fn drag_split_direction(&self) -> Option<SplitDirection> {
4071 self.drag_split_direction
4072 }
4073
4074 pub fn set_zoom_out_on_close(&mut self, zoom_out_on_close: bool) {
4075 self.zoom_out_on_close = zoom_out_on_close;
4076 }
4077}
4078
4079fn default_render_tab_bar_buttons(
4080 pane: &mut Pane,
4081 window: &mut Window,
4082 cx: &mut Context<Pane>,
4083) -> (Option<AnyElement>, Option<AnyElement>) {
4084 if !pane.has_focus(window, cx) && !pane.context_menu_focused(window, cx) {
4085 return (None, None);
4086 }
4087 let (can_clone, can_split_move) = match pane.active_item() {
4088 Some(active_item) if active_item.can_split(cx) => (true, false),
4089 Some(_) => (false, pane.items_len() > 1),
4090 None => (false, false),
4091 };
4092 // Ideally we would return a vec of elements here to pass directly to the [TabBar]'s
4093 // `end_slot`, but due to needing a view here that isn't possible.
4094 let right_children = h_flex()
4095 // Instead we need to replicate the spacing from the [TabBar]'s `end_slot` here.
4096 .gap(DynamicSpacing::Base04.rems(cx))
4097 .child(
4098 PopoverMenu::new("pane-tab-bar-popover-menu")
4099 .trigger_with_tooltip(
4100 IconButton::new("plus", IconName::Plus).icon_size(IconSize::Small),
4101 Tooltip::text("New..."),
4102 )
4103 .anchor(Corner::TopRight)
4104 .with_handle(pane.new_item_context_menu_handle.clone())
4105 .menu(move |window, cx| {
4106 Some(ContextMenu::build(window, cx, |menu, _, _| {
4107 menu.action("New File", NewFile.boxed_clone())
4108 .action("Open File", ToggleFileFinder::default().boxed_clone())
4109 .separator()
4110 .action(
4111 "Search Project",
4112 DeploySearch {
4113 replace_enabled: false,
4114 included_files: None,
4115 excluded_files: None,
4116 }
4117 .boxed_clone(),
4118 )
4119 .action("Search Symbols", ToggleProjectSymbols.boxed_clone())
4120 .separator()
4121 .action("New Terminal", NewTerminal::default().boxed_clone())
4122 }))
4123 }),
4124 )
4125 .child(
4126 PopoverMenu::new("pane-tab-bar-split")
4127 .trigger_with_tooltip(
4128 IconButton::new("split", IconName::Split)
4129 .icon_size(IconSize::Small)
4130 .disabled(!can_clone && !can_split_move),
4131 Tooltip::text("Split Pane"),
4132 )
4133 .anchor(Corner::TopRight)
4134 .with_handle(pane.split_item_context_menu_handle.clone())
4135 .menu(move |window, cx| {
4136 ContextMenu::build(window, cx, |menu, _, _| {
4137 let mode = SplitMode::MovePane;
4138 if can_split_move {
4139 menu.action("Split Right", SplitRight { mode }.boxed_clone())
4140 .action("Split Left", SplitLeft { mode }.boxed_clone())
4141 .action("Split Up", SplitUp { mode }.boxed_clone())
4142 .action("Split Down", SplitDown { mode }.boxed_clone())
4143 } else {
4144 menu.action("Split Right", SplitRight::default().boxed_clone())
4145 .action("Split Left", SplitLeft::default().boxed_clone())
4146 .action("Split Up", SplitUp::default().boxed_clone())
4147 .action("Split Down", SplitDown::default().boxed_clone())
4148 }
4149 })
4150 .into()
4151 }),
4152 )
4153 .child({
4154 let zoomed = pane.is_zoomed();
4155 IconButton::new("toggle_zoom", IconName::Maximize)
4156 .icon_size(IconSize::Small)
4157 .toggle_state(zoomed)
4158 .selected_icon(IconName::Minimize)
4159 .on_click(cx.listener(|pane, _, window, cx| {
4160 pane.toggle_zoom(&crate::ToggleZoom, window, cx);
4161 }))
4162 .tooltip(move |_window, cx| {
4163 Tooltip::for_action(
4164 if zoomed { "Zoom Out" } else { "Zoom In" },
4165 &ToggleZoom,
4166 cx,
4167 )
4168 })
4169 })
4170 .into_any_element()
4171 .into();
4172 (None, right_children)
4173}
4174
4175impl Focusable for Pane {
4176 fn focus_handle(&self, _cx: &App) -> FocusHandle {
4177 self.focus_handle.clone()
4178 }
4179}
4180
4181impl Render for Pane {
4182 fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
4183 let mut key_context = KeyContext::new_with_defaults();
4184 key_context.add("Pane");
4185 if self.active_item().is_none() {
4186 key_context.add("EmptyPane");
4187 }
4188
4189 self.toolbar
4190 .read(cx)
4191 .contribute_context(&mut key_context, cx);
4192
4193 let should_display_tab_bar = self.should_display_tab_bar.clone();
4194 let display_tab_bar = should_display_tab_bar(window, cx);
4195 let Some(project) = self.project.upgrade() else {
4196 return div().track_focus(&self.focus_handle(cx));
4197 };
4198 let is_local = project.read(cx).is_local();
4199
4200 v_flex()
4201 .key_context(key_context)
4202 .track_focus(&self.focus_handle(cx))
4203 .size_full()
4204 .flex_none()
4205 .overflow_hidden()
4206 .on_action(cx.listener(|pane, split: &SplitLeft, window, cx| {
4207 pane.split(SplitDirection::Left, split.mode, window, cx)
4208 }))
4209 .on_action(cx.listener(|pane, split: &SplitUp, window, cx| {
4210 pane.split(SplitDirection::Up, split.mode, window, cx)
4211 }))
4212 .on_action(cx.listener(|pane, split: &SplitHorizontal, window, cx| {
4213 pane.split(SplitDirection::horizontal(cx), split.mode, window, cx)
4214 }))
4215 .on_action(cx.listener(|pane, split: &SplitVertical, window, cx| {
4216 pane.split(SplitDirection::vertical(cx), split.mode, window, cx)
4217 }))
4218 .on_action(cx.listener(|pane, split: &SplitRight, window, cx| {
4219 pane.split(SplitDirection::Right, split.mode, window, cx)
4220 }))
4221 .on_action(cx.listener(|pane, split: &SplitDown, window, cx| {
4222 pane.split(SplitDirection::Down, split.mode, window, cx)
4223 }))
4224 .on_action(cx.listener(|pane, _: &SplitAndMoveUp, window, cx| {
4225 pane.split(SplitDirection::Up, SplitMode::MovePane, window, cx)
4226 }))
4227 .on_action(cx.listener(|pane, _: &SplitAndMoveDown, window, cx| {
4228 pane.split(SplitDirection::Down, SplitMode::MovePane, window, cx)
4229 }))
4230 .on_action(cx.listener(|pane, _: &SplitAndMoveLeft, window, cx| {
4231 pane.split(SplitDirection::Left, SplitMode::MovePane, window, cx)
4232 }))
4233 .on_action(cx.listener(|pane, _: &SplitAndMoveRight, window, cx| {
4234 pane.split(SplitDirection::Right, SplitMode::MovePane, window, cx)
4235 }))
4236 .on_action(cx.listener(|_, _: &JoinIntoNext, _, cx| {
4237 cx.emit(Event::JoinIntoNext);
4238 }))
4239 .on_action(cx.listener(|_, _: &JoinAll, _, cx| {
4240 cx.emit(Event::JoinAll);
4241 }))
4242 .on_action(cx.listener(Pane::toggle_zoom))
4243 .on_action(cx.listener(Pane::zoom_in))
4244 .on_action(cx.listener(Pane::zoom_out))
4245 .on_action(cx.listener(Self::navigate_backward))
4246 .on_action(cx.listener(Self::navigate_forward))
4247 .on_action(cx.listener(Self::go_to_older_tag))
4248 .on_action(cx.listener(Self::go_to_newer_tag))
4249 .on_action(
4250 cx.listener(|pane: &mut Pane, action: &ActivateItem, window, cx| {
4251 pane.activate_item(
4252 action.0.min(pane.items.len().saturating_sub(1)),
4253 true,
4254 true,
4255 window,
4256 cx,
4257 );
4258 }),
4259 )
4260 .on_action(cx.listener(Self::alternate_file))
4261 .on_action(cx.listener(Self::activate_last_item))
4262 .on_action(cx.listener(Self::activate_previous_item))
4263 .on_action(cx.listener(Self::activate_next_item))
4264 .on_action(cx.listener(Self::swap_item_left))
4265 .on_action(cx.listener(Self::swap_item_right))
4266 .on_action(cx.listener(Self::toggle_pin_tab))
4267 .on_action(cx.listener(Self::unpin_all_tabs))
4268 .when(PreviewTabsSettings::get_global(cx).enabled, |this| {
4269 this.on_action(
4270 cx.listener(|pane: &mut Pane, _: &TogglePreviewTab, window, cx| {
4271 if let Some(active_item_id) = pane.active_item().map(|i| i.item_id()) {
4272 if pane.is_active_preview_item(active_item_id) {
4273 pane.unpreview_item_if_preview(active_item_id);
4274 } else {
4275 pane.replace_preview_item_id(active_item_id, window, cx);
4276 }
4277 }
4278 }),
4279 )
4280 })
4281 .on_action(
4282 cx.listener(|pane: &mut Self, action: &CloseActiveItem, window, cx| {
4283 pane.close_active_item(action, window, cx)
4284 .detach_and_log_err(cx)
4285 }),
4286 )
4287 .on_action(
4288 cx.listener(|pane: &mut Self, action: &CloseOtherItems, window, cx| {
4289 pane.close_other_items(action, None, window, cx)
4290 .detach_and_log_err(cx);
4291 }),
4292 )
4293 .on_action(
4294 cx.listener(|pane: &mut Self, action: &CloseCleanItems, window, cx| {
4295 pane.close_clean_items(action, window, cx)
4296 .detach_and_log_err(cx)
4297 }),
4298 )
4299 .on_action(cx.listener(
4300 |pane: &mut Self, action: &CloseItemsToTheLeft, window, cx| {
4301 pane.close_items_to_the_left_by_id(None, action, window, cx)
4302 .detach_and_log_err(cx)
4303 },
4304 ))
4305 .on_action(cx.listener(
4306 |pane: &mut Self, action: &CloseItemsToTheRight, window, cx| {
4307 pane.close_items_to_the_right_by_id(None, action, window, cx)
4308 .detach_and_log_err(cx)
4309 },
4310 ))
4311 .on_action(
4312 cx.listener(|pane: &mut Self, action: &CloseAllItems, window, cx| {
4313 pane.close_all_items(action, window, cx)
4314 .detach_and_log_err(cx)
4315 }),
4316 )
4317 .on_action(cx.listener(
4318 |pane: &mut Self, action: &CloseMultibufferItems, window, cx| {
4319 pane.close_multibuffer_items(action, window, cx)
4320 .detach_and_log_err(cx)
4321 },
4322 ))
4323 .on_action(
4324 cx.listener(|pane: &mut Self, action: &RevealInProjectPanel, _, cx| {
4325 let entry_id = action
4326 .entry_id
4327 .map(ProjectEntryId::from_proto)
4328 .or_else(|| pane.active_item()?.project_entry_ids(cx).first().copied());
4329 if let Some(entry_id) = entry_id {
4330 pane.project
4331 .update(cx, |_, cx| {
4332 cx.emit(project::Event::RevealInProjectPanel(entry_id))
4333 })
4334 .ok();
4335 }
4336 }),
4337 )
4338 .on_action(cx.listener(|_, _: &menu::Cancel, window, cx| {
4339 if cx.stop_active_drag(window) {
4340 } else {
4341 cx.propagate();
4342 }
4343 }))
4344 .when(self.active_item().is_some() && display_tab_bar, |pane| {
4345 pane.child((self.render_tab_bar.clone())(self, window, cx))
4346 })
4347 .child({
4348 let has_worktrees = project.read(cx).visible_worktrees(cx).next().is_some();
4349 // main content
4350 div()
4351 .flex_1()
4352 .relative()
4353 .group("")
4354 .overflow_hidden()
4355 .on_drag_move::<DraggedTab>(cx.listener(Self::handle_drag_move))
4356 .on_drag_move::<DraggedSelection>(cx.listener(Self::handle_drag_move))
4357 .when(is_local, |div| {
4358 div.on_drag_move::<ExternalPaths>(cx.listener(Self::handle_drag_move))
4359 })
4360 .map(|div| {
4361 if let Some(item) = self.active_item() {
4362 div.id("pane_placeholder")
4363 .v_flex()
4364 .size_full()
4365 .overflow_hidden()
4366 .child(self.toolbar.clone())
4367 .child(item.to_any_view())
4368 } else {
4369 let placeholder = div
4370 .id("pane_placeholder")
4371 .h_flex()
4372 .size_full()
4373 .justify_center()
4374 .on_click(cx.listener(
4375 move |this, event: &ClickEvent, window, cx| {
4376 if event.click_count() == 2 {
4377 window.dispatch_action(
4378 this.double_click_dispatch_action.boxed_clone(),
4379 cx,
4380 );
4381 }
4382 },
4383 ));
4384 if has_worktrees || !self.should_display_welcome_page {
4385 placeholder
4386 } else {
4387 if self.welcome_page.is_none() {
4388 let workspace = self.workspace.clone();
4389 self.welcome_page = Some(cx.new(|cx| {
4390 crate::welcome::WelcomePage::new(
4391 workspace, true, window, cx,
4392 )
4393 }));
4394 }
4395 placeholder.child(self.welcome_page.clone().unwrap())
4396 }
4397 }
4398 })
4399 .child(
4400 // drag target
4401 div()
4402 .invisible()
4403 .absolute()
4404 .bg(cx.theme().colors().drop_target_background)
4405 .group_drag_over::<DraggedTab>("", |style| style.visible())
4406 .group_drag_over::<DraggedSelection>("", |style| style.visible())
4407 .when(is_local, |div| {
4408 div.group_drag_over::<ExternalPaths>("", |style| style.visible())
4409 })
4410 .when_some(self.can_drop_predicate.clone(), |this, p| {
4411 this.can_drop(move |a, window, cx| p(a, window, cx))
4412 })
4413 .on_drop(cx.listener(move |this, dragged_tab, window, cx| {
4414 this.handle_tab_drop(
4415 dragged_tab,
4416 this.active_item_index(),
4417 window,
4418 cx,
4419 )
4420 }))
4421 .on_drop(cx.listener(
4422 move |this, selection: &DraggedSelection, window, cx| {
4423 this.handle_dragged_selection_drop(selection, None, window, cx)
4424 },
4425 ))
4426 .on_drop(cx.listener(move |this, paths, window, cx| {
4427 this.handle_external_paths_drop(paths, window, cx)
4428 }))
4429 .map(|div| {
4430 let size = DefiniteLength::Fraction(0.5);
4431 match self.drag_split_direction {
4432 None => div.top_0().right_0().bottom_0().left_0(),
4433 Some(SplitDirection::Up) => {
4434 div.top_0().left_0().right_0().h(size)
4435 }
4436 Some(SplitDirection::Down) => {
4437 div.left_0().bottom_0().right_0().h(size)
4438 }
4439 Some(SplitDirection::Left) => {
4440 div.top_0().left_0().bottom_0().w(size)
4441 }
4442 Some(SplitDirection::Right) => {
4443 div.top_0().bottom_0().right_0().w(size)
4444 }
4445 }
4446 }),
4447 )
4448 })
4449 .on_mouse_down(
4450 MouseButton::Navigate(NavigationDirection::Back),
4451 cx.listener(|pane, _, window, cx| {
4452 if let Some(workspace) = pane.workspace.upgrade() {
4453 let pane = cx.entity().downgrade();
4454 window.defer(cx, move |window, cx| {
4455 workspace.update(cx, |workspace, cx| {
4456 workspace.go_back(pane, window, cx).detach_and_log_err(cx)
4457 })
4458 })
4459 }
4460 }),
4461 )
4462 .on_mouse_down(
4463 MouseButton::Navigate(NavigationDirection::Forward),
4464 cx.listener(|pane, _, window, cx| {
4465 if let Some(workspace) = pane.workspace.upgrade() {
4466 let pane = cx.entity().downgrade();
4467 window.defer(cx, move |window, cx| {
4468 workspace.update(cx, |workspace, cx| {
4469 workspace
4470 .go_forward(pane, window, cx)
4471 .detach_and_log_err(cx)
4472 })
4473 })
4474 }
4475 }),
4476 )
4477 }
4478}
4479
4480impl ItemNavHistory {
4481 pub fn push<D: 'static + Any + Send + Sync>(&mut self, data: Option<D>, cx: &mut App) {
4482 if self
4483 .item
4484 .upgrade()
4485 .is_some_and(|item| item.include_in_nav_history())
4486 {
4487 let is_preview_item = self.history.0.lock().preview_item_id == Some(self.item.id());
4488 self.history
4489 .push(data, self.item.clone(), is_preview_item, cx);
4490 }
4491 }
4492
4493 pub fn navigation_entry(&self, data: Option<Arc<dyn Any + Send + Sync>>) -> NavigationEntry {
4494 let is_preview_item = self.history.0.lock().preview_item_id == Some(self.item.id());
4495 NavigationEntry {
4496 item: self.item.clone(),
4497 data: data,
4498 timestamp: 0, // not used
4499 is_preview: is_preview_item,
4500 }
4501 }
4502
4503 pub fn push_tag(&mut self, origin: Option<NavigationEntry>, target: Option<NavigationEntry>) {
4504 if let (Some(origin_entry), Some(target_entry)) = (origin, target) {
4505 self.history.push_tag(origin_entry, target_entry);
4506 }
4507 }
4508
4509 pub fn pop_backward(&mut self, cx: &mut App) -> Option<NavigationEntry> {
4510 self.history.pop(NavigationMode::GoingBack, cx)
4511 }
4512
4513 pub fn pop_forward(&mut self, cx: &mut App) -> Option<NavigationEntry> {
4514 self.history.pop(NavigationMode::GoingForward, cx)
4515 }
4516}
4517
4518impl NavHistory {
4519 pub fn for_each_entry(
4520 &self,
4521 cx: &App,
4522 mut f: impl FnMut(&NavigationEntry, (ProjectPath, Option<PathBuf>)),
4523 ) {
4524 let borrowed_history = self.0.lock();
4525 borrowed_history
4526 .forward_stack
4527 .iter()
4528 .chain(borrowed_history.backward_stack.iter())
4529 .chain(borrowed_history.closed_stack.iter())
4530 .for_each(|entry| {
4531 if let Some(project_and_abs_path) =
4532 borrowed_history.paths_by_item.get(&entry.item.id())
4533 {
4534 f(entry, project_and_abs_path.clone());
4535 } else if let Some(item) = entry.item.upgrade()
4536 && let Some(path) = item.project_path(cx)
4537 {
4538 f(entry, (path, None));
4539 }
4540 })
4541 }
4542
4543 pub fn set_mode(&mut self, mode: NavigationMode) {
4544 self.0.lock().mode = mode;
4545 }
4546
4547 pub fn mode(&self) -> NavigationMode {
4548 self.0.lock().mode
4549 }
4550
4551 pub fn disable(&mut self) {
4552 self.0.lock().mode = NavigationMode::Disabled;
4553 }
4554
4555 pub fn enable(&mut self) {
4556 self.0.lock().mode = NavigationMode::Normal;
4557 }
4558
4559 pub fn clear(&mut self, cx: &mut App) {
4560 let mut state = self.0.lock();
4561
4562 if state.backward_stack.is_empty()
4563 && state.forward_stack.is_empty()
4564 && state.closed_stack.is_empty()
4565 && state.paths_by_item.is_empty()
4566 && state.tag_stack.is_empty()
4567 {
4568 return;
4569 }
4570
4571 state.mode = NavigationMode::Normal;
4572 state.backward_stack.clear();
4573 state.forward_stack.clear();
4574 state.closed_stack.clear();
4575 state.paths_by_item.clear();
4576 state.tag_stack.clear();
4577 state.tag_stack_pos = 0;
4578 state.did_update(cx);
4579 }
4580
4581 pub fn pop(&mut self, mode: NavigationMode, cx: &mut App) -> Option<NavigationEntry> {
4582 let mut state = self.0.lock();
4583 let entry = match mode {
4584 NavigationMode::Normal | NavigationMode::Disabled | NavigationMode::ClosingItem => {
4585 return None;
4586 }
4587 NavigationMode::GoingBack => &mut state.backward_stack,
4588 NavigationMode::GoingForward => &mut state.forward_stack,
4589 NavigationMode::ReopeningClosedItem => &mut state.closed_stack,
4590 }
4591 .pop_back();
4592 if entry.is_some() {
4593 state.did_update(cx);
4594 }
4595 entry
4596 }
4597
4598 pub fn push<D: 'static + Any + Send + Sync>(
4599 &mut self,
4600 data: Option<D>,
4601 item: Arc<dyn WeakItemHandle + Send + Sync>,
4602 is_preview: bool,
4603 cx: &mut App,
4604 ) {
4605 let state = &mut *self.0.lock();
4606 match state.mode {
4607 NavigationMode::Disabled => {}
4608 NavigationMode::Normal | NavigationMode::ReopeningClosedItem => {
4609 if state.backward_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
4610 state.backward_stack.pop_front();
4611 }
4612 state.backward_stack.push_back(NavigationEntry {
4613 item,
4614 data: data.map(|data| Arc::new(data) as Arc<dyn Any + Send + Sync>),
4615 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
4616 is_preview,
4617 });
4618 state.forward_stack.clear();
4619 }
4620 NavigationMode::GoingBack => {
4621 if state.forward_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
4622 state.forward_stack.pop_front();
4623 }
4624 state.forward_stack.push_back(NavigationEntry {
4625 item,
4626 data: data.map(|data| Arc::new(data) as Arc<dyn Any + Send + Sync>),
4627 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
4628 is_preview,
4629 });
4630 }
4631 NavigationMode::GoingForward => {
4632 if state.backward_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
4633 state.backward_stack.pop_front();
4634 }
4635 state.backward_stack.push_back(NavigationEntry {
4636 item,
4637 data: data.map(|data| Arc::new(data) as Arc<dyn Any + Send + Sync>),
4638 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
4639 is_preview,
4640 });
4641 }
4642 NavigationMode::ClosingItem if is_preview => return,
4643 NavigationMode::ClosingItem => {
4644 if state.closed_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
4645 state.closed_stack.pop_front();
4646 }
4647 state.closed_stack.push_back(NavigationEntry {
4648 item,
4649 data: data.map(|data| Arc::new(data) as Arc<dyn Any + Send + Sync>),
4650 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
4651 is_preview,
4652 });
4653 }
4654 }
4655 state.did_update(cx);
4656 }
4657
4658 pub fn remove_item(&mut self, item_id: EntityId) {
4659 let mut state = self.0.lock();
4660 state.paths_by_item.remove(&item_id);
4661 state
4662 .backward_stack
4663 .retain(|entry| entry.item.id() != item_id);
4664 state
4665 .forward_stack
4666 .retain(|entry| entry.item.id() != item_id);
4667 state
4668 .closed_stack
4669 .retain(|entry| entry.item.id() != item_id);
4670 state
4671 .tag_stack
4672 .retain(|entry| entry.origin.item.id() != item_id && entry.target.item.id() != item_id);
4673 }
4674
4675 pub fn rename_item(
4676 &mut self,
4677 item_id: EntityId,
4678 project_path: ProjectPath,
4679 abs_path: Option<PathBuf>,
4680 ) {
4681 let mut state = self.0.lock();
4682 let path_for_item = state.paths_by_item.get_mut(&item_id);
4683 if let Some(path_for_item) = path_for_item {
4684 path_for_item.0 = project_path;
4685 path_for_item.1 = abs_path;
4686 }
4687 }
4688
4689 pub fn path_for_item(&self, item_id: EntityId) -> Option<(ProjectPath, Option<PathBuf>)> {
4690 self.0.lock().paths_by_item.get(&item_id).cloned()
4691 }
4692
4693 pub fn push_tag(&mut self, origin: NavigationEntry, target: NavigationEntry) {
4694 let mut state = self.0.lock();
4695 let truncate_to = state.tag_stack_pos;
4696 state.tag_stack.truncate(truncate_to);
4697 state.tag_stack.push_back(TagStackEntry { origin, target });
4698 state.tag_stack_pos = state.tag_stack.len();
4699 }
4700
4701 pub fn pop_tag(&mut self, mode: TagNavigationMode) -> Option<NavigationEntry> {
4702 let mut state = self.0.lock();
4703 match mode {
4704 TagNavigationMode::Older => {
4705 if state.tag_stack_pos > 0 {
4706 state.tag_stack_pos -= 1;
4707 state
4708 .tag_stack
4709 .get(state.tag_stack_pos)
4710 .map(|e| e.origin.clone())
4711 } else {
4712 None
4713 }
4714 }
4715 TagNavigationMode::Newer => {
4716 let entry = state
4717 .tag_stack
4718 .get(state.tag_stack_pos)
4719 .map(|e| e.target.clone());
4720 if state.tag_stack_pos < state.tag_stack.len() {
4721 state.tag_stack_pos += 1;
4722 }
4723 entry
4724 }
4725 }
4726 }
4727}
4728
4729impl NavHistoryState {
4730 pub fn did_update(&self, cx: &mut App) {
4731 if let Some(pane) = self.pane.upgrade() {
4732 cx.defer(move |cx| {
4733 pane.update(cx, |pane, cx| pane.history_updated(cx));
4734 });
4735 }
4736 }
4737}
4738
4739fn dirty_message_for(buffer_path: Option<ProjectPath>, path_style: PathStyle) -> String {
4740 let path = buffer_path
4741 .as_ref()
4742 .and_then(|p| {
4743 let path = p.path.display(path_style);
4744 if path.is_empty() { None } else { Some(path) }
4745 })
4746 .unwrap_or("This buffer".into());
4747 let path = truncate_and_remove_front(&path, 80);
4748 format!("{path} contains unsaved edits. Do you want to save it?")
4749}
4750
4751pub fn tab_details(items: &[Box<dyn ItemHandle>], _window: &Window, cx: &App) -> Vec<usize> {
4752 let mut tab_details = items.iter().map(|_| 0).collect::<Vec<_>>();
4753 let mut tab_descriptions = HashMap::default();
4754 let mut done = false;
4755 while !done {
4756 done = true;
4757
4758 // Store item indices by their tab description.
4759 for (ix, (item, detail)) in items.iter().zip(&tab_details).enumerate() {
4760 let description = item.tab_content_text(*detail, cx);
4761 if *detail == 0 || description != item.tab_content_text(detail - 1, cx) {
4762 tab_descriptions
4763 .entry(description)
4764 .or_insert(Vec::new())
4765 .push(ix);
4766 }
4767 }
4768
4769 // If two or more items have the same tab description, increase their level
4770 // of detail and try again.
4771 for (_, item_ixs) in tab_descriptions.drain() {
4772 if item_ixs.len() > 1 {
4773 done = false;
4774 for ix in item_ixs {
4775 tab_details[ix] += 1;
4776 }
4777 }
4778 }
4779 }
4780
4781 tab_details
4782}
4783
4784pub fn render_item_indicator(item: Box<dyn ItemHandle>, cx: &App) -> Option<Indicator> {
4785 maybe!({
4786 let indicator_color = match (item.has_conflict(cx), item.is_dirty(cx)) {
4787 (true, _) => Color::Warning,
4788 (_, true) => Color::Accent,
4789 (false, false) => return None,
4790 };
4791
4792 Some(Indicator::dot().color(indicator_color))
4793 })
4794}
4795
4796impl Render for DraggedTab {
4797 fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
4798 let ui_font = ThemeSettings::get_global(cx).ui_font.clone();
4799 let label = self.item.tab_content(
4800 TabContentParams {
4801 detail: Some(self.detail),
4802 selected: false,
4803 preview: false,
4804 deemphasized: false,
4805 },
4806 window,
4807 cx,
4808 );
4809 Tab::new("")
4810 .toggle_state(self.is_active)
4811 .child(label)
4812 .render(window, cx)
4813 .font(ui_font)
4814 }
4815}
4816
4817#[cfg(test)]
4818mod tests {
4819 use std::{iter::zip, num::NonZero};
4820
4821 use super::*;
4822 use crate::{
4823 Member,
4824 item::test::{TestItem, TestProjectItem},
4825 };
4826 use gpui::{AppContext, Axis, TestAppContext, VisualTestContext, size};
4827 use project::FakeFs;
4828 use settings::SettingsStore;
4829 use theme::LoadThemes;
4830 use util::TryFutureExt;
4831
4832 #[gpui::test]
4833 async fn test_add_item_capped_to_max_tabs(cx: &mut TestAppContext) {
4834 init_test(cx);
4835 let fs = FakeFs::new(cx.executor());
4836
4837 let project = Project::test(fs, None, cx).await;
4838 let (workspace, cx) =
4839 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4840 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
4841
4842 for i in 0..7 {
4843 add_labeled_item(&pane, format!("{}", i).as_str(), false, cx);
4844 }
4845
4846 set_max_tabs(cx, Some(5));
4847 add_labeled_item(&pane, "7", false, cx);
4848 // Remove items to respect the max tab cap.
4849 assert_item_labels(&pane, ["3", "4", "5", "6", "7*"], cx);
4850 pane.update_in(cx, |pane, window, cx| {
4851 pane.activate_item(0, false, false, window, cx);
4852 });
4853 add_labeled_item(&pane, "X", false, cx);
4854 // Respect activation order.
4855 assert_item_labels(&pane, ["3", "X*", "5", "6", "7"], cx);
4856
4857 for i in 0..7 {
4858 add_labeled_item(&pane, format!("D{}", i).as_str(), true, cx);
4859 }
4860 // Keeps dirty items, even over max tab cap.
4861 assert_item_labels(
4862 &pane,
4863 ["D0^", "D1^", "D2^", "D3^", "D4^", "D5^", "D6*^"],
4864 cx,
4865 );
4866
4867 set_max_tabs(cx, None);
4868 for i in 0..7 {
4869 add_labeled_item(&pane, format!("N{}", i).as_str(), false, cx);
4870 }
4871 // No cap when max tabs is None.
4872 assert_item_labels(
4873 &pane,
4874 [
4875 "D0^", "D1^", "D2^", "D3^", "D4^", "D5^", "D6^", "N0", "N1", "N2", "N3", "N4",
4876 "N5", "N6*",
4877 ],
4878 cx,
4879 );
4880 }
4881
4882 #[gpui::test]
4883 async fn test_reduce_max_tabs_closes_existing_items(cx: &mut TestAppContext) {
4884 init_test(cx);
4885 let fs = FakeFs::new(cx.executor());
4886
4887 let project = Project::test(fs, None, cx).await;
4888 let (workspace, cx) =
4889 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4890 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
4891
4892 add_labeled_item(&pane, "A", false, cx);
4893 add_labeled_item(&pane, "B", false, cx);
4894 let item_c = add_labeled_item(&pane, "C", false, cx);
4895 let item_d = add_labeled_item(&pane, "D", false, cx);
4896 add_labeled_item(&pane, "E", false, cx);
4897 add_labeled_item(&pane, "Settings", false, cx);
4898 assert_item_labels(&pane, ["A", "B", "C", "D", "E", "Settings*"], cx);
4899
4900 set_max_tabs(cx, Some(5));
4901 assert_item_labels(&pane, ["B", "C", "D", "E", "Settings*"], cx);
4902
4903 set_max_tabs(cx, Some(4));
4904 assert_item_labels(&pane, ["C", "D", "E", "Settings*"], cx);
4905
4906 pane.update_in(cx, |pane, window, cx| {
4907 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
4908 pane.pin_tab_at(ix, window, cx);
4909
4910 let ix = pane.index_for_item_id(item_d.item_id()).unwrap();
4911 pane.pin_tab_at(ix, window, cx);
4912 });
4913 assert_item_labels(&pane, ["C!", "D!", "E", "Settings*"], cx);
4914
4915 set_max_tabs(cx, Some(2));
4916 assert_item_labels(&pane, ["C!", "D!", "Settings*"], cx);
4917 }
4918
4919 #[gpui::test]
4920 async fn test_allow_pinning_dirty_item_at_max_tabs(cx: &mut TestAppContext) {
4921 init_test(cx);
4922 let fs = FakeFs::new(cx.executor());
4923
4924 let project = Project::test(fs, None, cx).await;
4925 let (workspace, cx) =
4926 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4927 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
4928
4929 set_max_tabs(cx, Some(1));
4930 let item_a = add_labeled_item(&pane, "A", true, cx);
4931
4932 pane.update_in(cx, |pane, window, cx| {
4933 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
4934 pane.pin_tab_at(ix, window, cx);
4935 });
4936 assert_item_labels(&pane, ["A*^!"], cx);
4937 }
4938
4939 #[gpui::test]
4940 async fn test_allow_pinning_non_dirty_item_at_max_tabs(cx: &mut TestAppContext) {
4941 init_test(cx);
4942 let fs = FakeFs::new(cx.executor());
4943
4944 let project = Project::test(fs, None, cx).await;
4945 let (workspace, cx) =
4946 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4947 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
4948
4949 set_max_tabs(cx, Some(1));
4950 let item_a = add_labeled_item(&pane, "A", false, cx);
4951
4952 pane.update_in(cx, |pane, window, cx| {
4953 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
4954 pane.pin_tab_at(ix, window, cx);
4955 });
4956 assert_item_labels(&pane, ["A*!"], cx);
4957 }
4958
4959 #[gpui::test]
4960 async fn test_pin_tabs_incrementally_at_max_capacity(cx: &mut TestAppContext) {
4961 init_test(cx);
4962 let fs = FakeFs::new(cx.executor());
4963
4964 let project = Project::test(fs, None, cx).await;
4965 let (workspace, cx) =
4966 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4967 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
4968
4969 set_max_tabs(cx, Some(3));
4970
4971 let item_a = add_labeled_item(&pane, "A", false, cx);
4972 assert_item_labels(&pane, ["A*"], cx);
4973
4974 pane.update_in(cx, |pane, window, cx| {
4975 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
4976 pane.pin_tab_at(ix, window, cx);
4977 });
4978 assert_item_labels(&pane, ["A*!"], cx);
4979
4980 let item_b = add_labeled_item(&pane, "B", false, cx);
4981 assert_item_labels(&pane, ["A!", "B*"], cx);
4982
4983 pane.update_in(cx, |pane, window, cx| {
4984 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
4985 pane.pin_tab_at(ix, window, cx);
4986 });
4987 assert_item_labels(&pane, ["A!", "B*!"], cx);
4988
4989 let item_c = add_labeled_item(&pane, "C", false, cx);
4990 assert_item_labels(&pane, ["A!", "B!", "C*"], cx);
4991
4992 pane.update_in(cx, |pane, window, cx| {
4993 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
4994 pane.pin_tab_at(ix, window, cx);
4995 });
4996 assert_item_labels(&pane, ["A!", "B!", "C*!"], cx);
4997 }
4998
4999 #[gpui::test]
5000 async fn test_pin_tabs_left_to_right_after_opening_at_max_capacity(cx: &mut TestAppContext) {
5001 init_test(cx);
5002 let fs = FakeFs::new(cx.executor());
5003
5004 let project = Project::test(fs, None, cx).await;
5005 let (workspace, cx) =
5006 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5007 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5008
5009 set_max_tabs(cx, Some(3));
5010
5011 let item_a = add_labeled_item(&pane, "A", false, cx);
5012 assert_item_labels(&pane, ["A*"], cx);
5013
5014 let item_b = add_labeled_item(&pane, "B", false, cx);
5015 assert_item_labels(&pane, ["A", "B*"], cx);
5016
5017 let item_c = add_labeled_item(&pane, "C", false, cx);
5018 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5019
5020 pane.update_in(cx, |pane, window, cx| {
5021 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5022 pane.pin_tab_at(ix, window, cx);
5023 });
5024 assert_item_labels(&pane, ["A!", "B", "C*"], cx);
5025
5026 pane.update_in(cx, |pane, window, cx| {
5027 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5028 pane.pin_tab_at(ix, window, cx);
5029 });
5030 assert_item_labels(&pane, ["A!", "B!", "C*"], cx);
5031
5032 pane.update_in(cx, |pane, window, cx| {
5033 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5034 pane.pin_tab_at(ix, window, cx);
5035 });
5036 assert_item_labels(&pane, ["A!", "B!", "C*!"], cx);
5037 }
5038
5039 #[gpui::test]
5040 async fn test_pin_tabs_right_to_left_after_opening_at_max_capacity(cx: &mut TestAppContext) {
5041 init_test(cx);
5042 let fs = FakeFs::new(cx.executor());
5043
5044 let project = Project::test(fs, None, cx).await;
5045 let (workspace, cx) =
5046 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5047 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5048
5049 set_max_tabs(cx, Some(3));
5050
5051 let item_a = add_labeled_item(&pane, "A", false, cx);
5052 assert_item_labels(&pane, ["A*"], cx);
5053
5054 let item_b = add_labeled_item(&pane, "B", false, cx);
5055 assert_item_labels(&pane, ["A", "B*"], cx);
5056
5057 let item_c = add_labeled_item(&pane, "C", false, cx);
5058 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5059
5060 pane.update_in(cx, |pane, window, cx| {
5061 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5062 pane.pin_tab_at(ix, window, cx);
5063 });
5064 assert_item_labels(&pane, ["C*!", "A", "B"], cx);
5065
5066 pane.update_in(cx, |pane, window, cx| {
5067 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5068 pane.pin_tab_at(ix, window, cx);
5069 });
5070 assert_item_labels(&pane, ["C*!", "B!", "A"], cx);
5071
5072 pane.update_in(cx, |pane, window, cx| {
5073 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5074 pane.pin_tab_at(ix, window, cx);
5075 });
5076 assert_item_labels(&pane, ["C*!", "B!", "A!"], cx);
5077 }
5078
5079 #[gpui::test]
5080 async fn test_pinned_tabs_never_closed_at_max_tabs(cx: &mut TestAppContext) {
5081 init_test(cx);
5082 let fs = FakeFs::new(cx.executor());
5083
5084 let project = Project::test(fs, None, cx).await;
5085 let (workspace, cx) =
5086 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5087 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5088
5089 let item_a = add_labeled_item(&pane, "A", false, cx);
5090 pane.update_in(cx, |pane, window, cx| {
5091 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5092 pane.pin_tab_at(ix, window, cx);
5093 });
5094
5095 let item_b = add_labeled_item(&pane, "B", false, cx);
5096 pane.update_in(cx, |pane, window, cx| {
5097 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5098 pane.pin_tab_at(ix, window, cx);
5099 });
5100
5101 add_labeled_item(&pane, "C", false, cx);
5102 add_labeled_item(&pane, "D", false, cx);
5103 add_labeled_item(&pane, "E", false, cx);
5104 assert_item_labels(&pane, ["A!", "B!", "C", "D", "E*"], cx);
5105
5106 set_max_tabs(cx, Some(3));
5107 add_labeled_item(&pane, "F", false, cx);
5108 assert_item_labels(&pane, ["A!", "B!", "F*"], cx);
5109
5110 add_labeled_item(&pane, "G", false, cx);
5111 assert_item_labels(&pane, ["A!", "B!", "G*"], cx);
5112
5113 add_labeled_item(&pane, "H", false, cx);
5114 assert_item_labels(&pane, ["A!", "B!", "H*"], cx);
5115 }
5116
5117 #[gpui::test]
5118 async fn test_always_allows_one_unpinned_item_over_max_tabs_regardless_of_pinned_count(
5119 cx: &mut TestAppContext,
5120 ) {
5121 init_test(cx);
5122 let fs = FakeFs::new(cx.executor());
5123
5124 let project = Project::test(fs, None, cx).await;
5125 let (workspace, cx) =
5126 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5127 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5128
5129 set_max_tabs(cx, Some(3));
5130
5131 let item_a = add_labeled_item(&pane, "A", false, cx);
5132 pane.update_in(cx, |pane, window, cx| {
5133 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5134 pane.pin_tab_at(ix, window, cx);
5135 });
5136
5137 let item_b = add_labeled_item(&pane, "B", false, cx);
5138 pane.update_in(cx, |pane, window, cx| {
5139 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5140 pane.pin_tab_at(ix, window, cx);
5141 });
5142
5143 let item_c = add_labeled_item(&pane, "C", false, cx);
5144 pane.update_in(cx, |pane, window, cx| {
5145 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5146 pane.pin_tab_at(ix, window, cx);
5147 });
5148
5149 assert_item_labels(&pane, ["A!", "B!", "C*!"], cx);
5150
5151 let item_d = add_labeled_item(&pane, "D", false, cx);
5152 assert_item_labels(&pane, ["A!", "B!", "C!", "D*"], cx);
5153
5154 pane.update_in(cx, |pane, window, cx| {
5155 let ix = pane.index_for_item_id(item_d.item_id()).unwrap();
5156 pane.pin_tab_at(ix, window, cx);
5157 });
5158 assert_item_labels(&pane, ["A!", "B!", "C!", "D*!"], cx);
5159
5160 add_labeled_item(&pane, "E", false, cx);
5161 assert_item_labels(&pane, ["A!", "B!", "C!", "D!", "E*"], cx);
5162
5163 add_labeled_item(&pane, "F", false, cx);
5164 assert_item_labels(&pane, ["A!", "B!", "C!", "D!", "F*"], cx);
5165 }
5166
5167 #[gpui::test]
5168 async fn test_can_open_one_item_when_all_tabs_are_dirty_at_max(cx: &mut TestAppContext) {
5169 init_test(cx);
5170 let fs = FakeFs::new(cx.executor());
5171
5172 let project = Project::test(fs, None, cx).await;
5173 let (workspace, cx) =
5174 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5175 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5176
5177 set_max_tabs(cx, Some(3));
5178
5179 add_labeled_item(&pane, "A", true, cx);
5180 assert_item_labels(&pane, ["A*^"], cx);
5181
5182 add_labeled_item(&pane, "B", true, cx);
5183 assert_item_labels(&pane, ["A^", "B*^"], cx);
5184
5185 add_labeled_item(&pane, "C", true, cx);
5186 assert_item_labels(&pane, ["A^", "B^", "C*^"], cx);
5187
5188 add_labeled_item(&pane, "D", false, cx);
5189 assert_item_labels(&pane, ["A^", "B^", "C^", "D*"], cx);
5190
5191 add_labeled_item(&pane, "E", false, cx);
5192 assert_item_labels(&pane, ["A^", "B^", "C^", "E*"], cx);
5193
5194 add_labeled_item(&pane, "F", false, cx);
5195 assert_item_labels(&pane, ["A^", "B^", "C^", "F*"], cx);
5196
5197 add_labeled_item(&pane, "G", true, cx);
5198 assert_item_labels(&pane, ["A^", "B^", "C^", "G*^"], cx);
5199 }
5200
5201 #[gpui::test]
5202 async fn test_toggle_pin_tab(cx: &mut TestAppContext) {
5203 init_test(cx);
5204 let fs = FakeFs::new(cx.executor());
5205
5206 let project = Project::test(fs, None, cx).await;
5207 let (workspace, cx) =
5208 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5209 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5210
5211 set_labeled_items(&pane, ["A", "B*", "C"], cx);
5212 assert_item_labels(&pane, ["A", "B*", "C"], cx);
5213
5214 pane.update_in(cx, |pane, window, cx| {
5215 pane.toggle_pin_tab(&TogglePinTab, window, cx);
5216 });
5217 assert_item_labels(&pane, ["B*!", "A", "C"], cx);
5218
5219 pane.update_in(cx, |pane, window, cx| {
5220 pane.toggle_pin_tab(&TogglePinTab, window, cx);
5221 });
5222 assert_item_labels(&pane, ["B*", "A", "C"], cx);
5223 }
5224
5225 #[gpui::test]
5226 async fn test_unpin_all_tabs(cx: &mut TestAppContext) {
5227 init_test(cx);
5228 let fs = FakeFs::new(cx.executor());
5229
5230 let project = Project::test(fs, None, cx).await;
5231 let (workspace, cx) =
5232 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5233 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5234
5235 // Unpin all, in an empty pane
5236 pane.update_in(cx, |pane, window, cx| {
5237 pane.unpin_all_tabs(&UnpinAllTabs, window, cx);
5238 });
5239
5240 assert_item_labels(&pane, [], cx);
5241
5242 let item_a = add_labeled_item(&pane, "A", false, cx);
5243 let item_b = add_labeled_item(&pane, "B", false, cx);
5244 let item_c = add_labeled_item(&pane, "C", false, cx);
5245 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5246
5247 // Unpin all, when no tabs are pinned
5248 pane.update_in(cx, |pane, window, cx| {
5249 pane.unpin_all_tabs(&UnpinAllTabs, window, cx);
5250 });
5251
5252 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5253
5254 // Pin inactive tabs only
5255 pane.update_in(cx, |pane, window, cx| {
5256 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5257 pane.pin_tab_at(ix, window, cx);
5258
5259 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5260 pane.pin_tab_at(ix, window, cx);
5261 });
5262 assert_item_labels(&pane, ["A!", "B!", "C*"], cx);
5263
5264 pane.update_in(cx, |pane, window, cx| {
5265 pane.unpin_all_tabs(&UnpinAllTabs, window, cx);
5266 });
5267
5268 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5269
5270 // Pin all tabs
5271 pane.update_in(cx, |pane, window, cx| {
5272 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5273 pane.pin_tab_at(ix, window, cx);
5274
5275 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5276 pane.pin_tab_at(ix, window, cx);
5277
5278 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5279 pane.pin_tab_at(ix, window, cx);
5280 });
5281 assert_item_labels(&pane, ["A!", "B!", "C*!"], cx);
5282
5283 // Activate middle tab
5284 pane.update_in(cx, |pane, window, cx| {
5285 pane.activate_item(1, false, false, window, cx);
5286 });
5287 assert_item_labels(&pane, ["A!", "B*!", "C!"], cx);
5288
5289 pane.update_in(cx, |pane, window, cx| {
5290 pane.unpin_all_tabs(&UnpinAllTabs, window, cx);
5291 });
5292
5293 // Order has not changed
5294 assert_item_labels(&pane, ["A", "B*", "C"], cx);
5295 }
5296
5297 #[gpui::test]
5298 async fn test_separate_pinned_row_disabled_by_default(cx: &mut TestAppContext) {
5299 init_test(cx);
5300 let fs = FakeFs::new(cx.executor());
5301
5302 let project = Project::test(fs, None, cx).await;
5303 let (workspace, cx) =
5304 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5305 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5306
5307 let item_a = add_labeled_item(&pane, "A", false, cx);
5308 add_labeled_item(&pane, "B", false, cx);
5309 add_labeled_item(&pane, "C", false, cx);
5310
5311 // Pin one tab
5312 pane.update_in(cx, |pane, window, cx| {
5313 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5314 pane.pin_tab_at(ix, window, cx);
5315 });
5316 assert_item_labels(&pane, ["A!", "B", "C*"], cx);
5317
5318 // Verify setting is disabled by default
5319 let is_separate_row_enabled = pane.read_with(cx, |_, cx| {
5320 TabBarSettings::get_global(cx).show_pinned_tabs_in_separate_row
5321 });
5322 assert!(
5323 !is_separate_row_enabled,
5324 "Separate pinned row should be disabled by default"
5325 );
5326
5327 // Verify pinned_tabs_row element does NOT exist (single row layout)
5328 let pinned_row_bounds = cx.debug_bounds("pinned_tabs_row");
5329 assert!(
5330 pinned_row_bounds.is_none(),
5331 "pinned_tabs_row should not exist when setting is disabled"
5332 );
5333 }
5334
5335 #[gpui::test]
5336 async fn test_separate_pinned_row_two_rows_when_both_tab_types_exist(cx: &mut TestAppContext) {
5337 init_test(cx);
5338 let fs = FakeFs::new(cx.executor());
5339
5340 let project = Project::test(fs, None, cx).await;
5341 let (workspace, cx) =
5342 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5343 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5344
5345 // Enable separate row setting
5346 set_pinned_tabs_separate_row(cx, true);
5347
5348 let item_a = add_labeled_item(&pane, "A", false, cx);
5349 add_labeled_item(&pane, "B", false, cx);
5350 add_labeled_item(&pane, "C", false, cx);
5351
5352 // Pin one tab - now we have both pinned and unpinned tabs
5353 pane.update_in(cx, |pane, window, cx| {
5354 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5355 pane.pin_tab_at(ix, window, cx);
5356 });
5357 assert_item_labels(&pane, ["A!", "B", "C*"], cx);
5358
5359 // Verify pinned_tabs_row element exists (two row layout)
5360 let pinned_row_bounds = cx.debug_bounds("pinned_tabs_row");
5361 assert!(
5362 pinned_row_bounds.is_some(),
5363 "pinned_tabs_row should exist when setting is enabled and both tab types exist"
5364 );
5365 }
5366
5367 #[gpui::test]
5368 async fn test_separate_pinned_row_single_row_when_only_pinned_tabs(cx: &mut TestAppContext) {
5369 init_test(cx);
5370 let fs = FakeFs::new(cx.executor());
5371
5372 let project = Project::test(fs, None, cx).await;
5373 let (workspace, cx) =
5374 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5375 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5376
5377 // Enable separate row setting
5378 set_pinned_tabs_separate_row(cx, true);
5379
5380 let item_a = add_labeled_item(&pane, "A", false, cx);
5381 let item_b = add_labeled_item(&pane, "B", false, cx);
5382
5383 // Pin all tabs - only pinned tabs exist
5384 pane.update_in(cx, |pane, window, cx| {
5385 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5386 pane.pin_tab_at(ix, window, cx);
5387 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5388 pane.pin_tab_at(ix, window, cx);
5389 });
5390 assert_item_labels(&pane, ["A!", "B*!"], cx);
5391
5392 // Verify pinned_tabs_row does NOT exist (single row layout for pinned-only)
5393 let pinned_row_bounds = cx.debug_bounds("pinned_tabs_row");
5394 assert!(
5395 pinned_row_bounds.is_none(),
5396 "pinned_tabs_row should not exist when only pinned tabs exist (uses single row)"
5397 );
5398 }
5399
5400 #[gpui::test]
5401 async fn test_separate_pinned_row_single_row_when_only_unpinned_tabs(cx: &mut TestAppContext) {
5402 init_test(cx);
5403 let fs = FakeFs::new(cx.executor());
5404
5405 let project = Project::test(fs, None, cx).await;
5406 let (workspace, cx) =
5407 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5408 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5409
5410 // Enable separate row setting
5411 set_pinned_tabs_separate_row(cx, true);
5412
5413 // Add only unpinned tabs
5414 add_labeled_item(&pane, "A", false, cx);
5415 add_labeled_item(&pane, "B", false, cx);
5416 add_labeled_item(&pane, "C", false, cx);
5417 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5418
5419 // Verify pinned_tabs_row does NOT exist (single row layout for unpinned-only)
5420 let pinned_row_bounds = cx.debug_bounds("pinned_tabs_row");
5421 assert!(
5422 pinned_row_bounds.is_none(),
5423 "pinned_tabs_row should not exist when only unpinned tabs exist (uses single row)"
5424 );
5425 }
5426
5427 #[gpui::test]
5428 async fn test_separate_pinned_row_toggles_between_layouts(cx: &mut TestAppContext) {
5429 init_test(cx);
5430 let fs = FakeFs::new(cx.executor());
5431
5432 let project = Project::test(fs, None, cx).await;
5433 let (workspace, cx) =
5434 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5435 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5436
5437 let item_a = add_labeled_item(&pane, "A", false, cx);
5438 add_labeled_item(&pane, "B", false, cx);
5439
5440 // Pin one tab
5441 pane.update_in(cx, |pane, window, cx| {
5442 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5443 pane.pin_tab_at(ix, window, cx);
5444 });
5445
5446 // Initially disabled - single row
5447 let pinned_row_bounds = cx.debug_bounds("pinned_tabs_row");
5448 assert!(
5449 pinned_row_bounds.is_none(),
5450 "Should be single row when disabled"
5451 );
5452
5453 // Enable - two rows
5454 set_pinned_tabs_separate_row(cx, true);
5455 cx.run_until_parked();
5456 let pinned_row_bounds = cx.debug_bounds("pinned_tabs_row");
5457 assert!(
5458 pinned_row_bounds.is_some(),
5459 "Should be two rows when enabled"
5460 );
5461
5462 // Disable again - back to single row
5463 set_pinned_tabs_separate_row(cx, false);
5464 cx.run_until_parked();
5465 let pinned_row_bounds = cx.debug_bounds("pinned_tabs_row");
5466 assert!(
5467 pinned_row_bounds.is_none(),
5468 "Should be single row when disabled again"
5469 );
5470 }
5471
5472 #[gpui::test]
5473 async fn test_separate_pinned_row_has_right_border(cx: &mut TestAppContext) {
5474 init_test(cx);
5475 let fs = FakeFs::new(cx.executor());
5476
5477 let project = Project::test(fs, None, cx).await;
5478 let (workspace, cx) =
5479 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5480 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5481
5482 // Enable separate row setting
5483 set_pinned_tabs_separate_row(cx, true);
5484
5485 let item_a = add_labeled_item(&pane, "A", false, cx);
5486 add_labeled_item(&pane, "B", false, cx);
5487 add_labeled_item(&pane, "C", false, cx);
5488
5489 // Pin one tab - now we have both pinned and unpinned tabs (two-row layout)
5490 pane.update_in(cx, |pane, window, cx| {
5491 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5492 pane.pin_tab_at(ix, window, cx);
5493 });
5494 assert_item_labels(&pane, ["A!", "B", "C*"], cx);
5495 cx.run_until_parked();
5496
5497 // Verify two-row layout is active
5498 let pinned_row_bounds = cx.debug_bounds("pinned_tabs_row");
5499 assert!(
5500 pinned_row_bounds.is_some(),
5501 "Two-row layout should be active when both pinned and unpinned tabs exist"
5502 );
5503
5504 // Verify pinned_tabs_border element exists (the right border after pinned tabs)
5505 let border_bounds = cx.debug_bounds("pinned_tabs_border");
5506 assert!(
5507 border_bounds.is_some(),
5508 "pinned_tabs_border should exist in two-row layout to show right border"
5509 );
5510 }
5511
5512 #[gpui::test]
5513 async fn test_pinning_active_tab_without_position_change_maintains_focus(
5514 cx: &mut TestAppContext,
5515 ) {
5516 init_test(cx);
5517 let fs = FakeFs::new(cx.executor());
5518
5519 let project = Project::test(fs, None, cx).await;
5520 let (workspace, cx) =
5521 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5522 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5523
5524 // Add A
5525 let item_a = add_labeled_item(&pane, "A", false, cx);
5526 assert_item_labels(&pane, ["A*"], cx);
5527
5528 // Add B
5529 add_labeled_item(&pane, "B", false, cx);
5530 assert_item_labels(&pane, ["A", "B*"], cx);
5531
5532 // Activate A again
5533 pane.update_in(cx, |pane, window, cx| {
5534 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5535 pane.activate_item(ix, true, true, window, cx);
5536 });
5537 assert_item_labels(&pane, ["A*", "B"], cx);
5538
5539 // Pin A - remains active
5540 pane.update_in(cx, |pane, window, cx| {
5541 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5542 pane.pin_tab_at(ix, window, cx);
5543 });
5544 assert_item_labels(&pane, ["A*!", "B"], cx);
5545
5546 // Unpin A - remain active
5547 pane.update_in(cx, |pane, window, cx| {
5548 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5549 pane.unpin_tab_at(ix, window, cx);
5550 });
5551 assert_item_labels(&pane, ["A*", "B"], cx);
5552 }
5553
5554 #[gpui::test]
5555 async fn test_pinning_active_tab_with_position_change_maintains_focus(cx: &mut TestAppContext) {
5556 init_test(cx);
5557 let fs = FakeFs::new(cx.executor());
5558
5559 let project = Project::test(fs, None, cx).await;
5560 let (workspace, cx) =
5561 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5562 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5563
5564 // Add A, B, C
5565 add_labeled_item(&pane, "A", false, cx);
5566 add_labeled_item(&pane, "B", false, cx);
5567 let item_c = add_labeled_item(&pane, "C", false, cx);
5568 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5569
5570 // Pin C - moves to pinned area, remains active
5571 pane.update_in(cx, |pane, window, cx| {
5572 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5573 pane.pin_tab_at(ix, window, cx);
5574 });
5575 assert_item_labels(&pane, ["C*!", "A", "B"], cx);
5576
5577 // Unpin C - moves after pinned area, remains active
5578 pane.update_in(cx, |pane, window, cx| {
5579 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5580 pane.unpin_tab_at(ix, window, cx);
5581 });
5582 assert_item_labels(&pane, ["C*", "A", "B"], cx);
5583 }
5584
5585 #[gpui::test]
5586 async fn test_pinning_inactive_tab_without_position_change_preserves_existing_focus(
5587 cx: &mut TestAppContext,
5588 ) {
5589 init_test(cx);
5590 let fs = FakeFs::new(cx.executor());
5591
5592 let project = Project::test(fs, None, cx).await;
5593 let (workspace, cx) =
5594 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5595 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5596
5597 // Add A, B
5598 let item_a = add_labeled_item(&pane, "A", false, cx);
5599 add_labeled_item(&pane, "B", false, cx);
5600 assert_item_labels(&pane, ["A", "B*"], cx);
5601
5602 // Pin A - already in pinned area, B remains active
5603 pane.update_in(cx, |pane, window, cx| {
5604 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5605 pane.pin_tab_at(ix, window, cx);
5606 });
5607 assert_item_labels(&pane, ["A!", "B*"], cx);
5608
5609 // Unpin A - stays in place, B remains active
5610 pane.update_in(cx, |pane, window, cx| {
5611 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5612 pane.unpin_tab_at(ix, window, cx);
5613 });
5614 assert_item_labels(&pane, ["A", "B*"], cx);
5615 }
5616
5617 #[gpui::test]
5618 async fn test_pinning_inactive_tab_with_position_change_preserves_existing_focus(
5619 cx: &mut TestAppContext,
5620 ) {
5621 init_test(cx);
5622 let fs = FakeFs::new(cx.executor());
5623
5624 let project = Project::test(fs, None, cx).await;
5625 let (workspace, cx) =
5626 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5627 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5628
5629 // Add A, B, C
5630 add_labeled_item(&pane, "A", false, cx);
5631 let item_b = add_labeled_item(&pane, "B", false, cx);
5632 let item_c = add_labeled_item(&pane, "C", false, cx);
5633 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5634
5635 // Activate B
5636 pane.update_in(cx, |pane, window, cx| {
5637 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5638 pane.activate_item(ix, true, true, window, cx);
5639 });
5640 assert_item_labels(&pane, ["A", "B*", "C"], cx);
5641
5642 // Pin C - moves to pinned area, B remains active
5643 pane.update_in(cx, |pane, window, cx| {
5644 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5645 pane.pin_tab_at(ix, window, cx);
5646 });
5647 assert_item_labels(&pane, ["C!", "A", "B*"], cx);
5648
5649 // Unpin C - moves after pinned area, B remains active
5650 pane.update_in(cx, |pane, window, cx| {
5651 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5652 pane.unpin_tab_at(ix, window, cx);
5653 });
5654 assert_item_labels(&pane, ["C", "A", "B*"], cx);
5655 }
5656
5657 #[gpui::test]
5658 async fn test_drag_unpinned_tab_to_split_creates_pane_with_unpinned_tab(
5659 cx: &mut TestAppContext,
5660 ) {
5661 init_test(cx);
5662 let fs = FakeFs::new(cx.executor());
5663
5664 let project = Project::test(fs, None, cx).await;
5665 let (workspace, cx) =
5666 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5667 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5668
5669 // Add A, B. Pin B. Activate A
5670 let item_a = add_labeled_item(&pane_a, "A", false, cx);
5671 let item_b = add_labeled_item(&pane_a, "B", false, cx);
5672
5673 pane_a.update_in(cx, |pane, window, cx| {
5674 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5675 pane.pin_tab_at(ix, window, cx);
5676
5677 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5678 pane.activate_item(ix, true, true, window, cx);
5679 });
5680
5681 // Drag A to create new split
5682 pane_a.update_in(cx, |pane, window, cx| {
5683 pane.drag_split_direction = Some(SplitDirection::Right);
5684
5685 let dragged_tab = DraggedTab {
5686 pane: pane_a.clone(),
5687 item: item_a.boxed_clone(),
5688 ix: 0,
5689 detail: 0,
5690 is_active: true,
5691 };
5692 pane.handle_tab_drop(&dragged_tab, 0, window, cx);
5693 });
5694
5695 // A should be moved to new pane. B should remain pinned, A should not be pinned
5696 let (pane_a, pane_b) = workspace.read_with(cx, |workspace, _| {
5697 let panes = workspace.panes();
5698 (panes[0].clone(), panes[1].clone())
5699 });
5700 assert_item_labels(&pane_a, ["B*!"], cx);
5701 assert_item_labels(&pane_b, ["A*"], cx);
5702 }
5703
5704 #[gpui::test]
5705 async fn test_drag_pinned_tab_to_split_creates_pane_with_pinned_tab(cx: &mut TestAppContext) {
5706 init_test(cx);
5707 let fs = FakeFs::new(cx.executor());
5708
5709 let project = Project::test(fs, None, cx).await;
5710 let (workspace, cx) =
5711 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5712 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5713
5714 // Add A, B. Pin both. Activate A
5715 let item_a = add_labeled_item(&pane_a, "A", false, cx);
5716 let item_b = add_labeled_item(&pane_a, "B", false, cx);
5717
5718 pane_a.update_in(cx, |pane, window, cx| {
5719 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5720 pane.pin_tab_at(ix, window, cx);
5721
5722 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5723 pane.pin_tab_at(ix, window, cx);
5724
5725 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5726 pane.activate_item(ix, true, true, window, cx);
5727 });
5728 assert_item_labels(&pane_a, ["A*!", "B!"], cx);
5729
5730 // Drag A to create new split
5731 pane_a.update_in(cx, |pane, window, cx| {
5732 pane.drag_split_direction = Some(SplitDirection::Right);
5733
5734 let dragged_tab = DraggedTab {
5735 pane: pane_a.clone(),
5736 item: item_a.boxed_clone(),
5737 ix: 0,
5738 detail: 0,
5739 is_active: true,
5740 };
5741 pane.handle_tab_drop(&dragged_tab, 0, window, cx);
5742 });
5743
5744 // A should be moved to new pane. Both A and B should still be pinned
5745 let (pane_a, pane_b) = workspace.read_with(cx, |workspace, _| {
5746 let panes = workspace.panes();
5747 (panes[0].clone(), panes[1].clone())
5748 });
5749 assert_item_labels(&pane_a, ["B*!"], cx);
5750 assert_item_labels(&pane_b, ["A*!"], cx);
5751 }
5752
5753 #[gpui::test]
5754 async fn test_drag_pinned_tab_into_existing_panes_pinned_region(cx: &mut TestAppContext) {
5755 init_test(cx);
5756 let fs = FakeFs::new(cx.executor());
5757
5758 let project = Project::test(fs, None, cx).await;
5759 let (workspace, cx) =
5760 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5761 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5762
5763 // Add A to pane A and pin
5764 let item_a = add_labeled_item(&pane_a, "A", false, cx);
5765 pane_a.update_in(cx, |pane, window, cx| {
5766 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5767 pane.pin_tab_at(ix, window, cx);
5768 });
5769 assert_item_labels(&pane_a, ["A*!"], cx);
5770
5771 // Add B to pane B and pin
5772 let pane_b = workspace.update_in(cx, |workspace, window, cx| {
5773 workspace.split_pane(pane_a.clone(), SplitDirection::Right, window, cx)
5774 });
5775 let item_b = add_labeled_item(&pane_b, "B", false, cx);
5776 pane_b.update_in(cx, |pane, window, cx| {
5777 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5778 pane.pin_tab_at(ix, window, cx);
5779 });
5780 assert_item_labels(&pane_b, ["B*!"], cx);
5781
5782 // Move A from pane A to pane B's pinned region
5783 pane_b.update_in(cx, |pane, window, cx| {
5784 let dragged_tab = DraggedTab {
5785 pane: pane_a.clone(),
5786 item: item_a.boxed_clone(),
5787 ix: 0,
5788 detail: 0,
5789 is_active: true,
5790 };
5791 pane.handle_tab_drop(&dragged_tab, 0, window, cx);
5792 });
5793
5794 // A should stay pinned
5795 assert_item_labels(&pane_a, [], cx);
5796 assert_item_labels(&pane_b, ["A*!", "B!"], cx);
5797 }
5798
5799 #[gpui::test]
5800 async fn test_drag_pinned_tab_into_existing_panes_unpinned_region(cx: &mut TestAppContext) {
5801 init_test(cx);
5802 let fs = FakeFs::new(cx.executor());
5803
5804 let project = Project::test(fs, None, cx).await;
5805 let (workspace, cx) =
5806 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5807 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5808
5809 // Add A to pane A and pin
5810 let item_a = add_labeled_item(&pane_a, "A", false, cx);
5811 pane_a.update_in(cx, |pane, window, cx| {
5812 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5813 pane.pin_tab_at(ix, window, cx);
5814 });
5815 assert_item_labels(&pane_a, ["A*!"], cx);
5816
5817 // Create pane B with pinned item B
5818 let pane_b = workspace.update_in(cx, |workspace, window, cx| {
5819 workspace.split_pane(pane_a.clone(), SplitDirection::Right, window, cx)
5820 });
5821 let item_b = add_labeled_item(&pane_b, "B", false, cx);
5822 assert_item_labels(&pane_b, ["B*"], cx);
5823
5824 pane_b.update_in(cx, |pane, window, cx| {
5825 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5826 pane.pin_tab_at(ix, window, cx);
5827 });
5828 assert_item_labels(&pane_b, ["B*!"], cx);
5829
5830 // Move A from pane A to pane B's unpinned region
5831 pane_b.update_in(cx, |pane, window, cx| {
5832 let dragged_tab = DraggedTab {
5833 pane: pane_a.clone(),
5834 item: item_a.boxed_clone(),
5835 ix: 0,
5836 detail: 0,
5837 is_active: true,
5838 };
5839 pane.handle_tab_drop(&dragged_tab, 1, window, cx);
5840 });
5841
5842 // A should become pinned
5843 assert_item_labels(&pane_a, [], cx);
5844 assert_item_labels(&pane_b, ["B!", "A*"], cx);
5845 }
5846
5847 #[gpui::test]
5848 async fn test_drag_pinned_tab_into_existing_panes_first_position_with_no_pinned_tabs(
5849 cx: &mut TestAppContext,
5850 ) {
5851 init_test(cx);
5852 let fs = FakeFs::new(cx.executor());
5853
5854 let project = Project::test(fs, None, cx).await;
5855 let (workspace, cx) =
5856 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5857 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5858
5859 // Add A to pane A and pin
5860 let item_a = add_labeled_item(&pane_a, "A", false, cx);
5861 pane_a.update_in(cx, |pane, window, cx| {
5862 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5863 pane.pin_tab_at(ix, window, cx);
5864 });
5865 assert_item_labels(&pane_a, ["A*!"], cx);
5866
5867 // Add B to pane B
5868 let pane_b = workspace.update_in(cx, |workspace, window, cx| {
5869 workspace.split_pane(pane_a.clone(), SplitDirection::Right, window, cx)
5870 });
5871 add_labeled_item(&pane_b, "B", false, cx);
5872 assert_item_labels(&pane_b, ["B*"], cx);
5873
5874 // Move A from pane A to position 0 in pane B, indicating it should stay pinned
5875 pane_b.update_in(cx, |pane, window, cx| {
5876 let dragged_tab = DraggedTab {
5877 pane: pane_a.clone(),
5878 item: item_a.boxed_clone(),
5879 ix: 0,
5880 detail: 0,
5881 is_active: true,
5882 };
5883 pane.handle_tab_drop(&dragged_tab, 0, window, cx);
5884 });
5885
5886 // A should stay pinned
5887 assert_item_labels(&pane_a, [], cx);
5888 assert_item_labels(&pane_b, ["A*!", "B"], cx);
5889 }
5890
5891 #[gpui::test]
5892 async fn test_drag_pinned_tab_into_existing_pane_at_max_capacity_closes_unpinned_tabs(
5893 cx: &mut TestAppContext,
5894 ) {
5895 init_test(cx);
5896 let fs = FakeFs::new(cx.executor());
5897
5898 let project = Project::test(fs, None, cx).await;
5899 let (workspace, cx) =
5900 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5901 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5902 set_max_tabs(cx, Some(2));
5903
5904 // Add A, B to pane A. Pin both
5905 let item_a = add_labeled_item(&pane_a, "A", false, cx);
5906 let item_b = add_labeled_item(&pane_a, "B", false, cx);
5907 pane_a.update_in(cx, |pane, window, cx| {
5908 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5909 pane.pin_tab_at(ix, window, cx);
5910
5911 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5912 pane.pin_tab_at(ix, window, cx);
5913 });
5914 assert_item_labels(&pane_a, ["A!", "B*!"], cx);
5915
5916 // Add C, D to pane B. Pin both
5917 let pane_b = workspace.update_in(cx, |workspace, window, cx| {
5918 workspace.split_pane(pane_a.clone(), SplitDirection::Right, window, cx)
5919 });
5920 let item_c = add_labeled_item(&pane_b, "C", false, cx);
5921 let item_d = add_labeled_item(&pane_b, "D", false, cx);
5922 pane_b.update_in(cx, |pane, window, cx| {
5923 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5924 pane.pin_tab_at(ix, window, cx);
5925
5926 let ix = pane.index_for_item_id(item_d.item_id()).unwrap();
5927 pane.pin_tab_at(ix, window, cx);
5928 });
5929 assert_item_labels(&pane_b, ["C!", "D*!"], cx);
5930
5931 // Add a third unpinned item to pane B (exceeds max tabs), but is allowed,
5932 // as we allow 1 tab over max if the others are pinned or dirty
5933 add_labeled_item(&pane_b, "E", false, cx);
5934 assert_item_labels(&pane_b, ["C!", "D!", "E*"], cx);
5935
5936 // Drag pinned A from pane A to position 0 in pane B
5937 pane_b.update_in(cx, |pane, window, cx| {
5938 let dragged_tab = DraggedTab {
5939 pane: pane_a.clone(),
5940 item: item_a.boxed_clone(),
5941 ix: 0,
5942 detail: 0,
5943 is_active: true,
5944 };
5945 pane.handle_tab_drop(&dragged_tab, 0, window, cx);
5946 });
5947
5948 // E (unpinned) should be closed, leaving 3 pinned items
5949 assert_item_labels(&pane_a, ["B*!"], cx);
5950 assert_item_labels(&pane_b, ["A*!", "C!", "D!"], cx);
5951 }
5952
5953 #[gpui::test]
5954 async fn test_drag_last_pinned_tab_to_same_position_stays_pinned(cx: &mut TestAppContext) {
5955 init_test(cx);
5956 let fs = FakeFs::new(cx.executor());
5957
5958 let project = Project::test(fs, None, cx).await;
5959 let (workspace, cx) =
5960 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5961 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5962
5963 // Add A to pane A and pin it
5964 let item_a = add_labeled_item(&pane_a, "A", false, cx);
5965 pane_a.update_in(cx, |pane, window, cx| {
5966 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5967 pane.pin_tab_at(ix, window, cx);
5968 });
5969 assert_item_labels(&pane_a, ["A*!"], cx);
5970
5971 // Drag pinned A to position 1 (directly to the right) in the same pane
5972 pane_a.update_in(cx, |pane, window, cx| {
5973 let dragged_tab = DraggedTab {
5974 pane: pane_a.clone(),
5975 item: item_a.boxed_clone(),
5976 ix: 0,
5977 detail: 0,
5978 is_active: true,
5979 };
5980 pane.handle_tab_drop(&dragged_tab, 1, window, cx);
5981 });
5982
5983 // A should still be pinned and active
5984 assert_item_labels(&pane_a, ["A*!"], cx);
5985 }
5986
5987 #[gpui::test]
5988 async fn test_drag_pinned_tab_beyond_last_pinned_tab_in_same_pane_stays_pinned(
5989 cx: &mut TestAppContext,
5990 ) {
5991 init_test(cx);
5992 let fs = FakeFs::new(cx.executor());
5993
5994 let project = Project::test(fs, None, cx).await;
5995 let (workspace, cx) =
5996 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5997 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5998
5999 // Add A, B to pane A and pin both
6000 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6001 let item_b = add_labeled_item(&pane_a, "B", false, cx);
6002 pane_a.update_in(cx, |pane, window, cx| {
6003 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6004 pane.pin_tab_at(ix, window, cx);
6005
6006 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
6007 pane.pin_tab_at(ix, window, cx);
6008 });
6009 assert_item_labels(&pane_a, ["A!", "B*!"], cx);
6010
6011 // Drag pinned A right of B in the same pane
6012 pane_a.update_in(cx, |pane, window, cx| {
6013 let dragged_tab = DraggedTab {
6014 pane: pane_a.clone(),
6015 item: item_a.boxed_clone(),
6016 ix: 0,
6017 detail: 0,
6018 is_active: true,
6019 };
6020 pane.handle_tab_drop(&dragged_tab, 2, window, cx);
6021 });
6022
6023 // A stays pinned
6024 assert_item_labels(&pane_a, ["B!", "A*!"], cx);
6025 }
6026
6027 #[gpui::test]
6028 async fn test_dragging_pinned_tab_onto_unpinned_tab_reduces_unpinned_tab_count(
6029 cx: &mut TestAppContext,
6030 ) {
6031 init_test(cx);
6032 let fs = FakeFs::new(cx.executor());
6033
6034 let project = Project::test(fs, None, cx).await;
6035 let (workspace, cx) =
6036 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6037 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6038
6039 // Add A, B to pane A and pin A
6040 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6041 add_labeled_item(&pane_a, "B", false, cx);
6042 pane_a.update_in(cx, |pane, window, cx| {
6043 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6044 pane.pin_tab_at(ix, window, cx);
6045 });
6046 assert_item_labels(&pane_a, ["A!", "B*"], cx);
6047
6048 // Drag pinned A on top of B in the same pane, which changes tab order to B, A
6049 pane_a.update_in(cx, |pane, window, cx| {
6050 let dragged_tab = DraggedTab {
6051 pane: pane_a.clone(),
6052 item: item_a.boxed_clone(),
6053 ix: 0,
6054 detail: 0,
6055 is_active: true,
6056 };
6057 pane.handle_tab_drop(&dragged_tab, 1, window, cx);
6058 });
6059
6060 // Neither are pinned
6061 assert_item_labels(&pane_a, ["B", "A*"], cx);
6062 }
6063
6064 #[gpui::test]
6065 async fn test_drag_pinned_tab_beyond_unpinned_tab_in_same_pane_becomes_unpinned(
6066 cx: &mut TestAppContext,
6067 ) {
6068 init_test(cx);
6069 let fs = FakeFs::new(cx.executor());
6070
6071 let project = Project::test(fs, None, cx).await;
6072 let (workspace, cx) =
6073 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6074 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6075
6076 // Add A, B to pane A and pin A
6077 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6078 add_labeled_item(&pane_a, "B", false, cx);
6079 pane_a.update_in(cx, |pane, window, cx| {
6080 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6081 pane.pin_tab_at(ix, window, cx);
6082 });
6083 assert_item_labels(&pane_a, ["A!", "B*"], cx);
6084
6085 // Drag pinned A right of B in the same pane
6086 pane_a.update_in(cx, |pane, window, cx| {
6087 let dragged_tab = DraggedTab {
6088 pane: pane_a.clone(),
6089 item: item_a.boxed_clone(),
6090 ix: 0,
6091 detail: 0,
6092 is_active: true,
6093 };
6094 pane.handle_tab_drop(&dragged_tab, 2, window, cx);
6095 });
6096
6097 // A becomes unpinned
6098 assert_item_labels(&pane_a, ["B", "A*"], cx);
6099 }
6100
6101 #[gpui::test]
6102 async fn test_drag_unpinned_tab_in_front_of_pinned_tab_in_same_pane_becomes_pinned(
6103 cx: &mut TestAppContext,
6104 ) {
6105 init_test(cx);
6106 let fs = FakeFs::new(cx.executor());
6107
6108 let project = Project::test(fs, None, cx).await;
6109 let (workspace, cx) =
6110 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6111 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6112
6113 // Add A, B to pane A and pin A
6114 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6115 let item_b = add_labeled_item(&pane_a, "B", false, cx);
6116 pane_a.update_in(cx, |pane, window, cx| {
6117 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6118 pane.pin_tab_at(ix, window, cx);
6119 });
6120 assert_item_labels(&pane_a, ["A!", "B*"], cx);
6121
6122 // Drag pinned B left of A in the same pane
6123 pane_a.update_in(cx, |pane, window, cx| {
6124 let dragged_tab = DraggedTab {
6125 pane: pane_a.clone(),
6126 item: item_b.boxed_clone(),
6127 ix: 1,
6128 detail: 0,
6129 is_active: true,
6130 };
6131 pane.handle_tab_drop(&dragged_tab, 0, window, cx);
6132 });
6133
6134 // A becomes unpinned
6135 assert_item_labels(&pane_a, ["B*!", "A!"], cx);
6136 }
6137
6138 #[gpui::test]
6139 async fn test_drag_unpinned_tab_to_the_pinned_region_stays_pinned(cx: &mut TestAppContext) {
6140 init_test(cx);
6141 let fs = FakeFs::new(cx.executor());
6142
6143 let project = Project::test(fs, None, cx).await;
6144 let (workspace, cx) =
6145 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6146 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6147
6148 // Add A, B, C to pane A and pin A
6149 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6150 add_labeled_item(&pane_a, "B", false, cx);
6151 let item_c = add_labeled_item(&pane_a, "C", false, cx);
6152 pane_a.update_in(cx, |pane, window, cx| {
6153 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6154 pane.pin_tab_at(ix, window, cx);
6155 });
6156 assert_item_labels(&pane_a, ["A!", "B", "C*"], cx);
6157
6158 // Drag pinned C left of B in the same pane
6159 pane_a.update_in(cx, |pane, window, cx| {
6160 let dragged_tab = DraggedTab {
6161 pane: pane_a.clone(),
6162 item: item_c.boxed_clone(),
6163 ix: 2,
6164 detail: 0,
6165 is_active: true,
6166 };
6167 pane.handle_tab_drop(&dragged_tab, 1, window, cx);
6168 });
6169
6170 // A stays pinned, B and C remain unpinned
6171 assert_item_labels(&pane_a, ["A!", "C*", "B"], cx);
6172 }
6173
6174 #[gpui::test]
6175 async fn test_drag_unpinned_tab_into_existing_panes_pinned_region(cx: &mut TestAppContext) {
6176 init_test(cx);
6177 let fs = FakeFs::new(cx.executor());
6178
6179 let project = Project::test(fs, None, cx).await;
6180 let (workspace, cx) =
6181 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6182 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6183
6184 // Add unpinned item A to pane A
6185 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6186 assert_item_labels(&pane_a, ["A*"], cx);
6187
6188 // Create pane B with pinned item B
6189 let pane_b = workspace.update_in(cx, |workspace, window, cx| {
6190 workspace.split_pane(pane_a.clone(), SplitDirection::Right, window, cx)
6191 });
6192 let item_b = add_labeled_item(&pane_b, "B", false, cx);
6193 pane_b.update_in(cx, |pane, window, cx| {
6194 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
6195 pane.pin_tab_at(ix, window, cx);
6196 });
6197 assert_item_labels(&pane_b, ["B*!"], cx);
6198
6199 // Move A from pane A to pane B's pinned region
6200 pane_b.update_in(cx, |pane, window, cx| {
6201 let dragged_tab = DraggedTab {
6202 pane: pane_a.clone(),
6203 item: item_a.boxed_clone(),
6204 ix: 0,
6205 detail: 0,
6206 is_active: true,
6207 };
6208 pane.handle_tab_drop(&dragged_tab, 0, window, cx);
6209 });
6210
6211 // A should become pinned since it was dropped in the pinned region
6212 assert_item_labels(&pane_a, [], cx);
6213 assert_item_labels(&pane_b, ["A*!", "B!"], cx);
6214 }
6215
6216 #[gpui::test]
6217 async fn test_drag_unpinned_tab_into_existing_panes_unpinned_region(cx: &mut TestAppContext) {
6218 init_test(cx);
6219 let fs = FakeFs::new(cx.executor());
6220
6221 let project = Project::test(fs, None, cx).await;
6222 let (workspace, cx) =
6223 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6224 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6225
6226 // Add unpinned item A to pane A
6227 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6228 assert_item_labels(&pane_a, ["A*"], cx);
6229
6230 // Create pane B with one pinned item B
6231 let pane_b = workspace.update_in(cx, |workspace, window, cx| {
6232 workspace.split_pane(pane_a.clone(), SplitDirection::Right, window, cx)
6233 });
6234 let item_b = add_labeled_item(&pane_b, "B", false, cx);
6235 pane_b.update_in(cx, |pane, window, cx| {
6236 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
6237 pane.pin_tab_at(ix, window, cx);
6238 });
6239 assert_item_labels(&pane_b, ["B*!"], cx);
6240
6241 // Move A from pane A to pane B's unpinned region
6242 pane_b.update_in(cx, |pane, window, cx| {
6243 let dragged_tab = DraggedTab {
6244 pane: pane_a.clone(),
6245 item: item_a.boxed_clone(),
6246 ix: 0,
6247 detail: 0,
6248 is_active: true,
6249 };
6250 pane.handle_tab_drop(&dragged_tab, 1, window, cx);
6251 });
6252
6253 // A should remain unpinned since it was dropped outside the pinned region
6254 assert_item_labels(&pane_a, [], cx);
6255 assert_item_labels(&pane_b, ["B!", "A*"], cx);
6256 }
6257
6258 #[gpui::test]
6259 async fn test_drag_pinned_tab_throughout_entire_range_of_pinned_tabs_both_directions(
6260 cx: &mut TestAppContext,
6261 ) {
6262 init_test(cx);
6263 let fs = FakeFs::new(cx.executor());
6264
6265 let project = Project::test(fs, None, cx).await;
6266 let (workspace, cx) =
6267 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6268 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6269
6270 // Add A, B, C and pin all
6271 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6272 let item_b = add_labeled_item(&pane_a, "B", false, cx);
6273 let item_c = add_labeled_item(&pane_a, "C", false, cx);
6274 assert_item_labels(&pane_a, ["A", "B", "C*"], cx);
6275
6276 pane_a.update_in(cx, |pane, window, cx| {
6277 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6278 pane.pin_tab_at(ix, window, cx);
6279
6280 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
6281 pane.pin_tab_at(ix, window, cx);
6282
6283 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
6284 pane.pin_tab_at(ix, window, cx);
6285 });
6286 assert_item_labels(&pane_a, ["A!", "B!", "C*!"], cx);
6287
6288 // Move A to right of B
6289 pane_a.update_in(cx, |pane, window, cx| {
6290 let dragged_tab = DraggedTab {
6291 pane: pane_a.clone(),
6292 item: item_a.boxed_clone(),
6293 ix: 0,
6294 detail: 0,
6295 is_active: true,
6296 };
6297 pane.handle_tab_drop(&dragged_tab, 1, window, cx);
6298 });
6299
6300 // A should be after B and all are pinned
6301 assert_item_labels(&pane_a, ["B!", "A*!", "C!"], cx);
6302
6303 // Move A to right of C
6304 pane_a.update_in(cx, |pane, window, cx| {
6305 let dragged_tab = DraggedTab {
6306 pane: pane_a.clone(),
6307 item: item_a.boxed_clone(),
6308 ix: 1,
6309 detail: 0,
6310 is_active: true,
6311 };
6312 pane.handle_tab_drop(&dragged_tab, 2, window, cx);
6313 });
6314
6315 // A should be after C and all are pinned
6316 assert_item_labels(&pane_a, ["B!", "C!", "A*!"], cx);
6317
6318 // Move A to left of C
6319 pane_a.update_in(cx, |pane, window, cx| {
6320 let dragged_tab = DraggedTab {
6321 pane: pane_a.clone(),
6322 item: item_a.boxed_clone(),
6323 ix: 2,
6324 detail: 0,
6325 is_active: true,
6326 };
6327 pane.handle_tab_drop(&dragged_tab, 1, window, cx);
6328 });
6329
6330 // A should be before C and all are pinned
6331 assert_item_labels(&pane_a, ["B!", "A*!", "C!"], cx);
6332
6333 // Move A to left of B
6334 pane_a.update_in(cx, |pane, window, cx| {
6335 let dragged_tab = DraggedTab {
6336 pane: pane_a.clone(),
6337 item: item_a.boxed_clone(),
6338 ix: 1,
6339 detail: 0,
6340 is_active: true,
6341 };
6342 pane.handle_tab_drop(&dragged_tab, 0, window, cx);
6343 });
6344
6345 // A should be before B and all are pinned
6346 assert_item_labels(&pane_a, ["A*!", "B!", "C!"], cx);
6347 }
6348
6349 #[gpui::test]
6350 async fn test_drag_first_tab_to_last_position(cx: &mut TestAppContext) {
6351 init_test(cx);
6352 let fs = FakeFs::new(cx.executor());
6353
6354 let project = Project::test(fs, None, cx).await;
6355 let (workspace, cx) =
6356 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6357 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6358
6359 // Add A, B, C
6360 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6361 add_labeled_item(&pane_a, "B", false, cx);
6362 add_labeled_item(&pane_a, "C", false, cx);
6363 assert_item_labels(&pane_a, ["A", "B", "C*"], cx);
6364
6365 // Move A to the end
6366 pane_a.update_in(cx, |pane, window, cx| {
6367 let dragged_tab = DraggedTab {
6368 pane: pane_a.clone(),
6369 item: item_a.boxed_clone(),
6370 ix: 0,
6371 detail: 0,
6372 is_active: true,
6373 };
6374 pane.handle_tab_drop(&dragged_tab, 2, window, cx);
6375 });
6376
6377 // A should be at the end
6378 assert_item_labels(&pane_a, ["B", "C", "A*"], cx);
6379 }
6380
6381 #[gpui::test]
6382 async fn test_drag_last_tab_to_first_position(cx: &mut TestAppContext) {
6383 init_test(cx);
6384 let fs = FakeFs::new(cx.executor());
6385
6386 let project = Project::test(fs, None, cx).await;
6387 let (workspace, cx) =
6388 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6389 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6390
6391 // Add A, B, C
6392 add_labeled_item(&pane_a, "A", false, cx);
6393 add_labeled_item(&pane_a, "B", false, cx);
6394 let item_c = add_labeled_item(&pane_a, "C", false, cx);
6395 assert_item_labels(&pane_a, ["A", "B", "C*"], cx);
6396
6397 // Move C to the beginning
6398 pane_a.update_in(cx, |pane, window, cx| {
6399 let dragged_tab = DraggedTab {
6400 pane: pane_a.clone(),
6401 item: item_c.boxed_clone(),
6402 ix: 2,
6403 detail: 0,
6404 is_active: true,
6405 };
6406 pane.handle_tab_drop(&dragged_tab, 0, window, cx);
6407 });
6408
6409 // C should be at the beginning
6410 assert_item_labels(&pane_a, ["C*", "A", "B"], cx);
6411 }
6412
6413 #[gpui::test]
6414 async fn test_drag_tab_to_middle_tab_with_mouse_events(cx: &mut TestAppContext) {
6415 use gpui::{Modifiers, MouseButton, MouseDownEvent, MouseMoveEvent, MouseUpEvent};
6416
6417 init_test(cx);
6418 let fs = FakeFs::new(cx.executor());
6419
6420 let project = Project::test(fs, None, cx).await;
6421 let (workspace, cx) =
6422 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6423 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6424
6425 add_labeled_item(&pane, "A", false, cx);
6426 add_labeled_item(&pane, "B", false, cx);
6427 add_labeled_item(&pane, "C", false, cx);
6428 add_labeled_item(&pane, "D", false, cx);
6429 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
6430 cx.run_until_parked();
6431
6432 let tab_a_bounds = cx
6433 .debug_bounds("TAB-0")
6434 .expect("Tab A (index 0) should have debug bounds");
6435 let tab_c_bounds = cx
6436 .debug_bounds("TAB-2")
6437 .expect("Tab C (index 2) should have debug bounds");
6438
6439 cx.simulate_event(MouseDownEvent {
6440 position: tab_a_bounds.center(),
6441 button: MouseButton::Left,
6442 modifiers: Modifiers::default(),
6443 click_count: 1,
6444 first_mouse: false,
6445 });
6446 cx.run_until_parked();
6447 cx.simulate_event(MouseMoveEvent {
6448 position: tab_c_bounds.center(),
6449 pressed_button: Some(MouseButton::Left),
6450 modifiers: Modifiers::default(),
6451 });
6452 cx.run_until_parked();
6453 cx.simulate_event(MouseUpEvent {
6454 position: tab_c_bounds.center(),
6455 button: MouseButton::Left,
6456 modifiers: Modifiers::default(),
6457 click_count: 1,
6458 });
6459 cx.run_until_parked();
6460
6461 assert_item_labels(&pane, ["B", "C", "A*", "D"], cx);
6462 }
6463
6464 #[gpui::test]
6465 async fn test_drag_pinned_tab_when_show_pinned_tabs_in_separate_row_enabled(
6466 cx: &mut TestAppContext,
6467 ) {
6468 use gpui::{Modifiers, MouseButton, MouseDownEvent, MouseMoveEvent, MouseUpEvent};
6469
6470 init_test(cx);
6471 set_pinned_tabs_separate_row(cx, true);
6472 let fs = FakeFs::new(cx.executor());
6473
6474 let project = Project::test(fs, None, cx).await;
6475 let (workspace, cx) =
6476 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6477 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6478
6479 let item_a = add_labeled_item(&pane, "A", false, cx);
6480 let item_b = add_labeled_item(&pane, "B", false, cx);
6481 let item_c = add_labeled_item(&pane, "C", false, cx);
6482 let item_d = add_labeled_item(&pane, "D", false, cx);
6483
6484 pane.update_in(cx, |pane, window, cx| {
6485 pane.pin_tab_at(
6486 pane.index_for_item_id(item_a.item_id()).unwrap(),
6487 window,
6488 cx,
6489 );
6490 pane.pin_tab_at(
6491 pane.index_for_item_id(item_b.item_id()).unwrap(),
6492 window,
6493 cx,
6494 );
6495 pane.pin_tab_at(
6496 pane.index_for_item_id(item_c.item_id()).unwrap(),
6497 window,
6498 cx,
6499 );
6500 pane.pin_tab_at(
6501 pane.index_for_item_id(item_d.item_id()).unwrap(),
6502 window,
6503 cx,
6504 );
6505 });
6506 assert_item_labels(&pane, ["A!", "B!", "C!", "D*!"], cx);
6507 cx.run_until_parked();
6508
6509 let tab_a_bounds = cx
6510 .debug_bounds("TAB-0")
6511 .expect("Tab A (index 0) should have debug bounds");
6512 let tab_c_bounds = cx
6513 .debug_bounds("TAB-2")
6514 .expect("Tab C (index 2) should have debug bounds");
6515
6516 cx.simulate_event(MouseDownEvent {
6517 position: tab_a_bounds.center(),
6518 button: MouseButton::Left,
6519 modifiers: Modifiers::default(),
6520 click_count: 1,
6521 first_mouse: false,
6522 });
6523 cx.run_until_parked();
6524 cx.simulate_event(MouseMoveEvent {
6525 position: tab_c_bounds.center(),
6526 pressed_button: Some(MouseButton::Left),
6527 modifiers: Modifiers::default(),
6528 });
6529 cx.run_until_parked();
6530 cx.simulate_event(MouseUpEvent {
6531 position: tab_c_bounds.center(),
6532 button: MouseButton::Left,
6533 modifiers: Modifiers::default(),
6534 click_count: 1,
6535 });
6536 cx.run_until_parked();
6537
6538 assert_item_labels(&pane, ["B!", "C!", "A*!", "D!"], cx);
6539 }
6540
6541 #[gpui::test]
6542 async fn test_drag_unpinned_tab_when_show_pinned_tabs_in_separate_row_enabled(
6543 cx: &mut TestAppContext,
6544 ) {
6545 use gpui::{Modifiers, MouseButton, MouseDownEvent, MouseMoveEvent, MouseUpEvent};
6546
6547 init_test(cx);
6548 set_pinned_tabs_separate_row(cx, true);
6549 let fs = FakeFs::new(cx.executor());
6550
6551 let project = Project::test(fs, None, cx).await;
6552 let (workspace, cx) =
6553 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6554 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6555
6556 add_labeled_item(&pane, "A", false, cx);
6557 add_labeled_item(&pane, "B", false, cx);
6558 add_labeled_item(&pane, "C", false, cx);
6559 add_labeled_item(&pane, "D", false, cx);
6560 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
6561 cx.run_until_parked();
6562
6563 let tab_a_bounds = cx
6564 .debug_bounds("TAB-0")
6565 .expect("Tab A (index 0) should have debug bounds");
6566 let tab_c_bounds = cx
6567 .debug_bounds("TAB-2")
6568 .expect("Tab C (index 2) should have debug bounds");
6569
6570 cx.simulate_event(MouseDownEvent {
6571 position: tab_a_bounds.center(),
6572 button: MouseButton::Left,
6573 modifiers: Modifiers::default(),
6574 click_count: 1,
6575 first_mouse: false,
6576 });
6577 cx.run_until_parked();
6578 cx.simulate_event(MouseMoveEvent {
6579 position: tab_c_bounds.center(),
6580 pressed_button: Some(MouseButton::Left),
6581 modifiers: Modifiers::default(),
6582 });
6583 cx.run_until_parked();
6584 cx.simulate_event(MouseUpEvent {
6585 position: tab_c_bounds.center(),
6586 button: MouseButton::Left,
6587 modifiers: Modifiers::default(),
6588 click_count: 1,
6589 });
6590 cx.run_until_parked();
6591
6592 assert_item_labels(&pane, ["B", "C", "A*", "D"], cx);
6593 }
6594
6595 #[gpui::test]
6596 async fn test_drag_mixed_tabs_when_show_pinned_tabs_in_separate_row_enabled(
6597 cx: &mut TestAppContext,
6598 ) {
6599 use gpui::{Modifiers, MouseButton, MouseDownEvent, MouseMoveEvent, MouseUpEvent};
6600
6601 init_test(cx);
6602 set_pinned_tabs_separate_row(cx, true);
6603 let fs = FakeFs::new(cx.executor());
6604
6605 let project = Project::test(fs, None, cx).await;
6606 let (workspace, cx) =
6607 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6608 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6609
6610 let item_a = add_labeled_item(&pane, "A", false, cx);
6611 let item_b = add_labeled_item(&pane, "B", false, cx);
6612 add_labeled_item(&pane, "C", false, cx);
6613 add_labeled_item(&pane, "D", false, cx);
6614 add_labeled_item(&pane, "E", false, cx);
6615 add_labeled_item(&pane, "F", false, cx);
6616
6617 pane.update_in(cx, |pane, window, cx| {
6618 pane.pin_tab_at(
6619 pane.index_for_item_id(item_a.item_id()).unwrap(),
6620 window,
6621 cx,
6622 );
6623 pane.pin_tab_at(
6624 pane.index_for_item_id(item_b.item_id()).unwrap(),
6625 window,
6626 cx,
6627 );
6628 });
6629 assert_item_labels(&pane, ["A!", "B!", "C", "D", "E", "F*"], cx);
6630 cx.run_until_parked();
6631
6632 let tab_c_bounds = cx
6633 .debug_bounds("TAB-2")
6634 .expect("Tab C (index 2) should have debug bounds");
6635 let tab_e_bounds = cx
6636 .debug_bounds("TAB-4")
6637 .expect("Tab E (index 4) should have debug bounds");
6638
6639 cx.simulate_event(MouseDownEvent {
6640 position: tab_c_bounds.center(),
6641 button: MouseButton::Left,
6642 modifiers: Modifiers::default(),
6643 click_count: 1,
6644 first_mouse: false,
6645 });
6646 cx.run_until_parked();
6647 cx.simulate_event(MouseMoveEvent {
6648 position: tab_e_bounds.center(),
6649 pressed_button: Some(MouseButton::Left),
6650 modifiers: Modifiers::default(),
6651 });
6652 cx.run_until_parked();
6653 cx.simulate_event(MouseUpEvent {
6654 position: tab_e_bounds.center(),
6655 button: MouseButton::Left,
6656 modifiers: Modifiers::default(),
6657 click_count: 1,
6658 });
6659 cx.run_until_parked();
6660
6661 assert_item_labels(&pane, ["A!", "B!", "D", "E", "C*", "F"], cx);
6662 }
6663
6664 #[gpui::test]
6665 async fn test_add_item_with_new_item(cx: &mut TestAppContext) {
6666 init_test(cx);
6667 let fs = FakeFs::new(cx.executor());
6668
6669 let project = Project::test(fs, None, cx).await;
6670 let (workspace, cx) =
6671 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6672 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6673
6674 // 1. Add with a destination index
6675 // a. Add before the active item
6676 set_labeled_items(&pane, ["A", "B*", "C"], cx);
6677 pane.update_in(cx, |pane, window, cx| {
6678 pane.add_item(
6679 Box::new(cx.new(|cx| TestItem::new(cx).with_label("D"))),
6680 false,
6681 false,
6682 Some(0),
6683 window,
6684 cx,
6685 );
6686 });
6687 assert_item_labels(&pane, ["D*", "A", "B", "C"], cx);
6688
6689 // b. Add after the active item
6690 set_labeled_items(&pane, ["A", "B*", "C"], cx);
6691 pane.update_in(cx, |pane, window, cx| {
6692 pane.add_item(
6693 Box::new(cx.new(|cx| TestItem::new(cx).with_label("D"))),
6694 false,
6695 false,
6696 Some(2),
6697 window,
6698 cx,
6699 );
6700 });
6701 assert_item_labels(&pane, ["A", "B", "D*", "C"], cx);
6702
6703 // c. Add at the end of the item list (including off the length)
6704 set_labeled_items(&pane, ["A", "B*", "C"], cx);
6705 pane.update_in(cx, |pane, window, cx| {
6706 pane.add_item(
6707 Box::new(cx.new(|cx| TestItem::new(cx).with_label("D"))),
6708 false,
6709 false,
6710 Some(5),
6711 window,
6712 cx,
6713 );
6714 });
6715 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
6716
6717 // 2. Add without a destination index
6718 // a. Add with active item at the start of the item list
6719 set_labeled_items(&pane, ["A*", "B", "C"], cx);
6720 pane.update_in(cx, |pane, window, cx| {
6721 pane.add_item(
6722 Box::new(cx.new(|cx| TestItem::new(cx).with_label("D"))),
6723 false,
6724 false,
6725 None,
6726 window,
6727 cx,
6728 );
6729 });
6730 set_labeled_items(&pane, ["A", "D*", "B", "C"], cx);
6731
6732 // b. Add with active item at the end of the item list
6733 set_labeled_items(&pane, ["A", "B", "C*"], cx);
6734 pane.update_in(cx, |pane, window, cx| {
6735 pane.add_item(
6736 Box::new(cx.new(|cx| TestItem::new(cx).with_label("D"))),
6737 false,
6738 false,
6739 None,
6740 window,
6741 cx,
6742 );
6743 });
6744 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
6745 }
6746
6747 #[gpui::test]
6748 async fn test_add_item_with_existing_item(cx: &mut TestAppContext) {
6749 init_test(cx);
6750 let fs = FakeFs::new(cx.executor());
6751
6752 let project = Project::test(fs, None, cx).await;
6753 let (workspace, cx) =
6754 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6755 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6756
6757 // 1. Add with a destination index
6758 // 1a. Add before the active item
6759 let [_, _, _, d] = set_labeled_items(&pane, ["A", "B*", "C", "D"], cx);
6760 pane.update_in(cx, |pane, window, cx| {
6761 pane.add_item(d, false, false, Some(0), window, cx);
6762 });
6763 assert_item_labels(&pane, ["D*", "A", "B", "C"], cx);
6764
6765 // 1b. Add after the active item
6766 let [_, _, _, d] = set_labeled_items(&pane, ["A", "B*", "C", "D"], cx);
6767 pane.update_in(cx, |pane, window, cx| {
6768 pane.add_item(d, false, false, Some(2), window, cx);
6769 });
6770 assert_item_labels(&pane, ["A", "B", "D*", "C"], cx);
6771
6772 // 1c. Add at the end of the item list (including off the length)
6773 let [a, _, _, _] = set_labeled_items(&pane, ["A", "B*", "C", "D"], cx);
6774 pane.update_in(cx, |pane, window, cx| {
6775 pane.add_item(a, false, false, Some(5), window, cx);
6776 });
6777 assert_item_labels(&pane, ["B", "C", "D", "A*"], cx);
6778
6779 // 1d. Add same item to active index
6780 let [_, b, _] = set_labeled_items(&pane, ["A", "B*", "C"], cx);
6781 pane.update_in(cx, |pane, window, cx| {
6782 pane.add_item(b, false, false, Some(1), window, cx);
6783 });
6784 assert_item_labels(&pane, ["A", "B*", "C"], cx);
6785
6786 // 1e. Add item to index after same item in last position
6787 let [_, _, c] = set_labeled_items(&pane, ["A", "B*", "C"], cx);
6788 pane.update_in(cx, |pane, window, cx| {
6789 pane.add_item(c, false, false, Some(2), window, cx);
6790 });
6791 assert_item_labels(&pane, ["A", "B", "C*"], cx);
6792
6793 // 2. Add without a destination index
6794 // 2a. Add with active item at the start of the item list
6795 let [_, _, _, d] = set_labeled_items(&pane, ["A*", "B", "C", "D"], cx);
6796 pane.update_in(cx, |pane, window, cx| {
6797 pane.add_item(d, false, false, None, window, cx);
6798 });
6799 assert_item_labels(&pane, ["A", "D*", "B", "C"], cx);
6800
6801 // 2b. Add with active item at the end of the item list
6802 let [a, _, _, _] = set_labeled_items(&pane, ["A", "B", "C", "D*"], cx);
6803 pane.update_in(cx, |pane, window, cx| {
6804 pane.add_item(a, false, false, None, window, cx);
6805 });
6806 assert_item_labels(&pane, ["B", "C", "D", "A*"], cx);
6807
6808 // 2c. Add active item to active item at end of list
6809 let [_, _, c] = set_labeled_items(&pane, ["A", "B", "C*"], cx);
6810 pane.update_in(cx, |pane, window, cx| {
6811 pane.add_item(c, false, false, None, window, cx);
6812 });
6813 assert_item_labels(&pane, ["A", "B", "C*"], cx);
6814
6815 // 2d. Add active item to active item at start of list
6816 let [a, _, _] = set_labeled_items(&pane, ["A*", "B", "C"], cx);
6817 pane.update_in(cx, |pane, window, cx| {
6818 pane.add_item(a, false, false, None, window, cx);
6819 });
6820 assert_item_labels(&pane, ["A*", "B", "C"], cx);
6821 }
6822
6823 #[gpui::test]
6824 async fn test_add_item_with_same_project_entries(cx: &mut TestAppContext) {
6825 init_test(cx);
6826 let fs = FakeFs::new(cx.executor());
6827
6828 let project = Project::test(fs, None, cx).await;
6829 let (workspace, cx) =
6830 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6831 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6832
6833 // singleton view
6834 pane.update_in(cx, |pane, window, cx| {
6835 pane.add_item(
6836 Box::new(cx.new(|cx| {
6837 TestItem::new(cx)
6838 .with_buffer_kind(ItemBufferKind::Singleton)
6839 .with_label("buffer 1")
6840 .with_project_items(&[TestProjectItem::new(1, "one.txt", cx)])
6841 })),
6842 false,
6843 false,
6844 None,
6845 window,
6846 cx,
6847 );
6848 });
6849 assert_item_labels(&pane, ["buffer 1*"], cx);
6850
6851 // new singleton view with the same project entry
6852 pane.update_in(cx, |pane, window, cx| {
6853 pane.add_item(
6854 Box::new(cx.new(|cx| {
6855 TestItem::new(cx)
6856 .with_buffer_kind(ItemBufferKind::Singleton)
6857 .with_label("buffer 1")
6858 .with_project_items(&[TestProjectItem::new(1, "1.txt", cx)])
6859 })),
6860 false,
6861 false,
6862 None,
6863 window,
6864 cx,
6865 );
6866 });
6867 assert_item_labels(&pane, ["buffer 1*"], cx);
6868
6869 // new singleton view with different project entry
6870 pane.update_in(cx, |pane, window, cx| {
6871 pane.add_item(
6872 Box::new(cx.new(|cx| {
6873 TestItem::new(cx)
6874 .with_buffer_kind(ItemBufferKind::Singleton)
6875 .with_label("buffer 2")
6876 .with_project_items(&[TestProjectItem::new(2, "2.txt", cx)])
6877 })),
6878 false,
6879 false,
6880 None,
6881 window,
6882 cx,
6883 );
6884 });
6885 assert_item_labels(&pane, ["buffer 1", "buffer 2*"], cx);
6886
6887 // new multibuffer view with the same project entry
6888 pane.update_in(cx, |pane, window, cx| {
6889 pane.add_item(
6890 Box::new(cx.new(|cx| {
6891 TestItem::new(cx)
6892 .with_buffer_kind(ItemBufferKind::Multibuffer)
6893 .with_label("multibuffer 1")
6894 .with_project_items(&[TestProjectItem::new(1, "1.txt", cx)])
6895 })),
6896 false,
6897 false,
6898 None,
6899 window,
6900 cx,
6901 );
6902 });
6903 assert_item_labels(&pane, ["buffer 1", "buffer 2", "multibuffer 1*"], cx);
6904
6905 // another multibuffer view with the same project entry
6906 pane.update_in(cx, |pane, window, cx| {
6907 pane.add_item(
6908 Box::new(cx.new(|cx| {
6909 TestItem::new(cx)
6910 .with_buffer_kind(ItemBufferKind::Multibuffer)
6911 .with_label("multibuffer 1b")
6912 .with_project_items(&[TestProjectItem::new(1, "1.txt", cx)])
6913 })),
6914 false,
6915 false,
6916 None,
6917 window,
6918 cx,
6919 );
6920 });
6921 assert_item_labels(
6922 &pane,
6923 ["buffer 1", "buffer 2", "multibuffer 1", "multibuffer 1b*"],
6924 cx,
6925 );
6926 }
6927
6928 #[gpui::test]
6929 async fn test_remove_item_ordering_history(cx: &mut TestAppContext) {
6930 init_test(cx);
6931 let fs = FakeFs::new(cx.executor());
6932
6933 let project = Project::test(fs, None, cx).await;
6934 let (workspace, cx) =
6935 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6936 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6937
6938 add_labeled_item(&pane, "A", false, cx);
6939 add_labeled_item(&pane, "B", false, cx);
6940 add_labeled_item(&pane, "C", false, cx);
6941 add_labeled_item(&pane, "D", false, cx);
6942 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
6943
6944 pane.update_in(cx, |pane, window, cx| {
6945 pane.activate_item(1, false, false, window, cx)
6946 });
6947 add_labeled_item(&pane, "1", false, cx);
6948 assert_item_labels(&pane, ["A", "B", "1*", "C", "D"], cx);
6949
6950 pane.update_in(cx, |pane, window, cx| {
6951 pane.close_active_item(
6952 &CloseActiveItem {
6953 save_intent: None,
6954 close_pinned: false,
6955 },
6956 window,
6957 cx,
6958 )
6959 })
6960 .await
6961 .unwrap();
6962 assert_item_labels(&pane, ["A", "B*", "C", "D"], cx);
6963
6964 pane.update_in(cx, |pane, window, cx| {
6965 pane.activate_item(3, false, false, window, cx)
6966 });
6967 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
6968
6969 pane.update_in(cx, |pane, window, cx| {
6970 pane.close_active_item(
6971 &CloseActiveItem {
6972 save_intent: None,
6973 close_pinned: false,
6974 },
6975 window,
6976 cx,
6977 )
6978 })
6979 .await
6980 .unwrap();
6981 assert_item_labels(&pane, ["A", "B*", "C"], cx);
6982
6983 pane.update_in(cx, |pane, window, cx| {
6984 pane.close_active_item(
6985 &CloseActiveItem {
6986 save_intent: None,
6987 close_pinned: false,
6988 },
6989 window,
6990 cx,
6991 )
6992 })
6993 .await
6994 .unwrap();
6995 assert_item_labels(&pane, ["A", "C*"], cx);
6996
6997 pane.update_in(cx, |pane, window, cx| {
6998 pane.close_active_item(
6999 &CloseActiveItem {
7000 save_intent: None,
7001 close_pinned: false,
7002 },
7003 window,
7004 cx,
7005 )
7006 })
7007 .await
7008 .unwrap();
7009 assert_item_labels(&pane, ["A*"], cx);
7010 }
7011
7012 #[gpui::test]
7013 async fn test_remove_item_ordering_neighbour(cx: &mut TestAppContext) {
7014 init_test(cx);
7015 cx.update_global::<SettingsStore, ()>(|s, cx| {
7016 s.update_user_settings(cx, |s| {
7017 s.tabs.get_or_insert_default().activate_on_close = Some(ActivateOnClose::Neighbour);
7018 });
7019 });
7020 let fs = FakeFs::new(cx.executor());
7021
7022 let project = Project::test(fs, None, cx).await;
7023 let (workspace, cx) =
7024 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7025 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7026
7027 add_labeled_item(&pane, "A", false, cx);
7028 add_labeled_item(&pane, "B", false, cx);
7029 add_labeled_item(&pane, "C", false, cx);
7030 add_labeled_item(&pane, "D", false, cx);
7031 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
7032
7033 pane.update_in(cx, |pane, window, cx| {
7034 pane.activate_item(1, false, false, window, cx)
7035 });
7036 add_labeled_item(&pane, "1", false, cx);
7037 assert_item_labels(&pane, ["A", "B", "1*", "C", "D"], cx);
7038
7039 pane.update_in(cx, |pane, window, cx| {
7040 pane.close_active_item(
7041 &CloseActiveItem {
7042 save_intent: None,
7043 close_pinned: false,
7044 },
7045 window,
7046 cx,
7047 )
7048 })
7049 .await
7050 .unwrap();
7051 assert_item_labels(&pane, ["A", "B", "C*", "D"], cx);
7052
7053 pane.update_in(cx, |pane, window, cx| {
7054 pane.activate_item(3, false, false, window, cx)
7055 });
7056 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
7057
7058 pane.update_in(cx, |pane, window, cx| {
7059 pane.close_active_item(
7060 &CloseActiveItem {
7061 save_intent: None,
7062 close_pinned: false,
7063 },
7064 window,
7065 cx,
7066 )
7067 })
7068 .await
7069 .unwrap();
7070 assert_item_labels(&pane, ["A", "B", "C*"], cx);
7071
7072 pane.update_in(cx, |pane, window, cx| {
7073 pane.close_active_item(
7074 &CloseActiveItem {
7075 save_intent: None,
7076 close_pinned: false,
7077 },
7078 window,
7079 cx,
7080 )
7081 })
7082 .await
7083 .unwrap();
7084 assert_item_labels(&pane, ["A", "B*"], cx);
7085
7086 pane.update_in(cx, |pane, window, cx| {
7087 pane.close_active_item(
7088 &CloseActiveItem {
7089 save_intent: None,
7090 close_pinned: false,
7091 },
7092 window,
7093 cx,
7094 )
7095 })
7096 .await
7097 .unwrap();
7098 assert_item_labels(&pane, ["A*"], cx);
7099 }
7100
7101 #[gpui::test]
7102 async fn test_remove_item_ordering_left_neighbour(cx: &mut TestAppContext) {
7103 init_test(cx);
7104 cx.update_global::<SettingsStore, ()>(|s, cx| {
7105 s.update_user_settings(cx, |s| {
7106 s.tabs.get_or_insert_default().activate_on_close =
7107 Some(ActivateOnClose::LeftNeighbour);
7108 });
7109 });
7110 let fs = FakeFs::new(cx.executor());
7111
7112 let project = Project::test(fs, None, cx).await;
7113 let (workspace, cx) =
7114 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7115 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7116
7117 add_labeled_item(&pane, "A", false, cx);
7118 add_labeled_item(&pane, "B", false, cx);
7119 add_labeled_item(&pane, "C", false, cx);
7120 add_labeled_item(&pane, "D", false, cx);
7121 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
7122
7123 pane.update_in(cx, |pane, window, cx| {
7124 pane.activate_item(1, false, false, window, cx)
7125 });
7126 add_labeled_item(&pane, "1", false, cx);
7127 assert_item_labels(&pane, ["A", "B", "1*", "C", "D"], cx);
7128
7129 pane.update_in(cx, |pane, window, cx| {
7130 pane.close_active_item(
7131 &CloseActiveItem {
7132 save_intent: None,
7133 close_pinned: false,
7134 },
7135 window,
7136 cx,
7137 )
7138 })
7139 .await
7140 .unwrap();
7141 assert_item_labels(&pane, ["A", "B*", "C", "D"], cx);
7142
7143 pane.update_in(cx, |pane, window, cx| {
7144 pane.activate_item(3, false, false, window, cx)
7145 });
7146 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
7147
7148 pane.update_in(cx, |pane, window, cx| {
7149 pane.close_active_item(
7150 &CloseActiveItem {
7151 save_intent: None,
7152 close_pinned: false,
7153 },
7154 window,
7155 cx,
7156 )
7157 })
7158 .await
7159 .unwrap();
7160 assert_item_labels(&pane, ["A", "B", "C*"], cx);
7161
7162 pane.update_in(cx, |pane, window, cx| {
7163 pane.activate_item(0, false, false, window, cx)
7164 });
7165 assert_item_labels(&pane, ["A*", "B", "C"], cx);
7166
7167 pane.update_in(cx, |pane, window, cx| {
7168 pane.close_active_item(
7169 &CloseActiveItem {
7170 save_intent: None,
7171 close_pinned: false,
7172 },
7173 window,
7174 cx,
7175 )
7176 })
7177 .await
7178 .unwrap();
7179 assert_item_labels(&pane, ["B*", "C"], cx);
7180
7181 pane.update_in(cx, |pane, window, cx| {
7182 pane.close_active_item(
7183 &CloseActiveItem {
7184 save_intent: None,
7185 close_pinned: false,
7186 },
7187 window,
7188 cx,
7189 )
7190 })
7191 .await
7192 .unwrap();
7193 assert_item_labels(&pane, ["C*"], cx);
7194 }
7195
7196 #[gpui::test]
7197 async fn test_close_inactive_items(cx: &mut TestAppContext) {
7198 init_test(cx);
7199 let fs = FakeFs::new(cx.executor());
7200
7201 let project = Project::test(fs, None, cx).await;
7202 let (workspace, cx) =
7203 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7204 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7205
7206 let item_a = add_labeled_item(&pane, "A", false, cx);
7207 pane.update_in(cx, |pane, window, cx| {
7208 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
7209 pane.pin_tab_at(ix, window, cx);
7210 });
7211 assert_item_labels(&pane, ["A*!"], cx);
7212
7213 let item_b = add_labeled_item(&pane, "B", false, cx);
7214 pane.update_in(cx, |pane, window, cx| {
7215 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
7216 pane.pin_tab_at(ix, window, cx);
7217 });
7218 assert_item_labels(&pane, ["A!", "B*!"], cx);
7219
7220 add_labeled_item(&pane, "C", false, cx);
7221 assert_item_labels(&pane, ["A!", "B!", "C*"], cx);
7222
7223 add_labeled_item(&pane, "D", false, cx);
7224 add_labeled_item(&pane, "E", false, cx);
7225 assert_item_labels(&pane, ["A!", "B!", "C", "D", "E*"], cx);
7226
7227 pane.update_in(cx, |pane, window, cx| {
7228 pane.close_other_items(
7229 &CloseOtherItems {
7230 save_intent: None,
7231 close_pinned: false,
7232 },
7233 None,
7234 window,
7235 cx,
7236 )
7237 })
7238 .await
7239 .unwrap();
7240 assert_item_labels(&pane, ["A!", "B!", "E*"], cx);
7241 }
7242
7243 #[gpui::test]
7244 async fn test_running_close_inactive_items_via_an_inactive_item(cx: &mut TestAppContext) {
7245 init_test(cx);
7246 let fs = FakeFs::new(cx.executor());
7247
7248 let project = Project::test(fs, None, cx).await;
7249 let (workspace, cx) =
7250 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7251 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7252
7253 add_labeled_item(&pane, "A", false, cx);
7254 assert_item_labels(&pane, ["A*"], cx);
7255
7256 let item_b = add_labeled_item(&pane, "B", false, cx);
7257 assert_item_labels(&pane, ["A", "B*"], cx);
7258
7259 add_labeled_item(&pane, "C", false, cx);
7260 add_labeled_item(&pane, "D", false, cx);
7261 add_labeled_item(&pane, "E", false, cx);
7262 assert_item_labels(&pane, ["A", "B", "C", "D", "E*"], cx);
7263
7264 pane.update_in(cx, |pane, window, cx| {
7265 pane.close_other_items(
7266 &CloseOtherItems {
7267 save_intent: None,
7268 close_pinned: false,
7269 },
7270 Some(item_b.item_id()),
7271 window,
7272 cx,
7273 )
7274 })
7275 .await
7276 .unwrap();
7277 assert_item_labels(&pane, ["B*"], cx);
7278 }
7279
7280 #[gpui::test]
7281 async fn test_close_other_items_unpreviews_active_item(cx: &mut TestAppContext) {
7282 init_test(cx);
7283 let fs = FakeFs::new(cx.executor());
7284
7285 let project = Project::test(fs, None, cx).await;
7286 let (workspace, cx) =
7287 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7288 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7289
7290 add_labeled_item(&pane, "A", false, cx);
7291 add_labeled_item(&pane, "B", false, cx);
7292 let item_c = add_labeled_item(&pane, "C", false, cx);
7293 assert_item_labels(&pane, ["A", "B", "C*"], cx);
7294
7295 pane.update(cx, |pane, cx| {
7296 pane.set_preview_item_id(Some(item_c.item_id()), cx);
7297 });
7298 assert!(pane.read_with(cx, |pane, _| pane.preview_item_id()
7299 == Some(item_c.item_id())));
7300
7301 pane.update_in(cx, |pane, window, cx| {
7302 pane.close_other_items(
7303 &CloseOtherItems {
7304 save_intent: None,
7305 close_pinned: false,
7306 },
7307 Some(item_c.item_id()),
7308 window,
7309 cx,
7310 )
7311 })
7312 .await
7313 .unwrap();
7314
7315 assert!(pane.read_with(cx, |pane, _| pane.preview_item_id().is_none()));
7316 assert_item_labels(&pane, ["C*"], cx);
7317 }
7318
7319 #[gpui::test]
7320 async fn test_close_clean_items(cx: &mut TestAppContext) {
7321 init_test(cx);
7322 let fs = FakeFs::new(cx.executor());
7323
7324 let project = Project::test(fs, None, cx).await;
7325 let (workspace, cx) =
7326 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7327 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7328
7329 add_labeled_item(&pane, "A", true, cx);
7330 add_labeled_item(&pane, "B", false, cx);
7331 add_labeled_item(&pane, "C", true, cx);
7332 add_labeled_item(&pane, "D", false, cx);
7333 add_labeled_item(&pane, "E", false, cx);
7334 assert_item_labels(&pane, ["A^", "B", "C^", "D", "E*"], cx);
7335
7336 pane.update_in(cx, |pane, window, cx| {
7337 pane.close_clean_items(
7338 &CloseCleanItems {
7339 close_pinned: false,
7340 },
7341 window,
7342 cx,
7343 )
7344 })
7345 .await
7346 .unwrap();
7347 assert_item_labels(&pane, ["A^", "C*^"], cx);
7348 }
7349
7350 #[gpui::test]
7351 async fn test_close_items_to_the_left(cx: &mut TestAppContext) {
7352 init_test(cx);
7353 let fs = FakeFs::new(cx.executor());
7354
7355 let project = Project::test(fs, None, cx).await;
7356 let (workspace, cx) =
7357 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7358 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7359
7360 set_labeled_items(&pane, ["A", "B", "C*", "D", "E"], cx);
7361
7362 pane.update_in(cx, |pane, window, cx| {
7363 pane.close_items_to_the_left_by_id(
7364 None,
7365 &CloseItemsToTheLeft {
7366 close_pinned: false,
7367 },
7368 window,
7369 cx,
7370 )
7371 })
7372 .await
7373 .unwrap();
7374 assert_item_labels(&pane, ["C*", "D", "E"], cx);
7375 }
7376
7377 #[gpui::test]
7378 async fn test_close_items_to_the_right(cx: &mut TestAppContext) {
7379 init_test(cx);
7380 let fs = FakeFs::new(cx.executor());
7381
7382 let project = Project::test(fs, None, cx).await;
7383 let (workspace, cx) =
7384 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7385 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7386
7387 set_labeled_items(&pane, ["A", "B", "C*", "D", "E"], cx);
7388
7389 pane.update_in(cx, |pane, window, cx| {
7390 pane.close_items_to_the_right_by_id(
7391 None,
7392 &CloseItemsToTheRight {
7393 close_pinned: false,
7394 },
7395 window,
7396 cx,
7397 )
7398 })
7399 .await
7400 .unwrap();
7401 assert_item_labels(&pane, ["A", "B", "C*"], cx);
7402 }
7403
7404 #[gpui::test]
7405 async fn test_close_all_items(cx: &mut TestAppContext) {
7406 init_test(cx);
7407 let fs = FakeFs::new(cx.executor());
7408
7409 let project = Project::test(fs, None, cx).await;
7410 let (workspace, cx) =
7411 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7412 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7413
7414 let item_a = add_labeled_item(&pane, "A", false, cx);
7415 add_labeled_item(&pane, "B", false, cx);
7416 add_labeled_item(&pane, "C", false, cx);
7417 assert_item_labels(&pane, ["A", "B", "C*"], cx);
7418
7419 pane.update_in(cx, |pane, window, cx| {
7420 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
7421 pane.pin_tab_at(ix, window, cx);
7422 pane.close_all_items(
7423 &CloseAllItems {
7424 save_intent: None,
7425 close_pinned: false,
7426 },
7427 window,
7428 cx,
7429 )
7430 })
7431 .await
7432 .unwrap();
7433 assert_item_labels(&pane, ["A*!"], cx);
7434
7435 pane.update_in(cx, |pane, window, cx| {
7436 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
7437 pane.unpin_tab_at(ix, window, cx);
7438 pane.close_all_items(
7439 &CloseAllItems {
7440 save_intent: None,
7441 close_pinned: false,
7442 },
7443 window,
7444 cx,
7445 )
7446 })
7447 .await
7448 .unwrap();
7449
7450 assert_item_labels(&pane, [], cx);
7451
7452 add_labeled_item(&pane, "A", true, cx).update(cx, |item, cx| {
7453 item.project_items
7454 .push(TestProjectItem::new_dirty(1, "A.txt", cx))
7455 });
7456 add_labeled_item(&pane, "B", true, cx).update(cx, |item, cx| {
7457 item.project_items
7458 .push(TestProjectItem::new_dirty(2, "B.txt", cx))
7459 });
7460 add_labeled_item(&pane, "C", true, cx).update(cx, |item, cx| {
7461 item.project_items
7462 .push(TestProjectItem::new_dirty(3, "C.txt", cx))
7463 });
7464 assert_item_labels(&pane, ["A^", "B^", "C*^"], cx);
7465
7466 let save = pane.update_in(cx, |pane, window, cx| {
7467 pane.close_all_items(
7468 &CloseAllItems {
7469 save_intent: None,
7470 close_pinned: false,
7471 },
7472 window,
7473 cx,
7474 )
7475 });
7476
7477 cx.executor().run_until_parked();
7478 cx.simulate_prompt_answer("Save all");
7479 save.await.unwrap();
7480 assert_item_labels(&pane, [], cx);
7481
7482 add_labeled_item(&pane, "A", true, cx);
7483 add_labeled_item(&pane, "B", true, cx);
7484 add_labeled_item(&pane, "C", true, cx);
7485 assert_item_labels(&pane, ["A^", "B^", "C*^"], cx);
7486 let save = pane.update_in(cx, |pane, window, cx| {
7487 pane.close_all_items(
7488 &CloseAllItems {
7489 save_intent: None,
7490 close_pinned: false,
7491 },
7492 window,
7493 cx,
7494 )
7495 });
7496
7497 cx.executor().run_until_parked();
7498 cx.simulate_prompt_answer("Discard all");
7499 save.await.unwrap();
7500 assert_item_labels(&pane, [], cx);
7501
7502 add_labeled_item(&pane, "A", true, cx).update(cx, |item, cx| {
7503 item.project_items
7504 .push(TestProjectItem::new_dirty(1, "A.txt", cx))
7505 });
7506 add_labeled_item(&pane, "B", true, cx).update(cx, |item, cx| {
7507 item.project_items
7508 .push(TestProjectItem::new_dirty(2, "B.txt", cx))
7509 });
7510 add_labeled_item(&pane, "C", true, cx).update(cx, |item, cx| {
7511 item.project_items
7512 .push(TestProjectItem::new_dirty(3, "C.txt", cx))
7513 });
7514 assert_item_labels(&pane, ["A^", "B^", "C*^"], cx);
7515
7516 let close_task = pane.update_in(cx, |pane, window, cx| {
7517 pane.close_all_items(
7518 &CloseAllItems {
7519 save_intent: None,
7520 close_pinned: false,
7521 },
7522 window,
7523 cx,
7524 )
7525 });
7526
7527 cx.executor().run_until_parked();
7528 cx.simulate_prompt_answer("Discard all");
7529 close_task.await.unwrap();
7530 assert_item_labels(&pane, [], cx);
7531
7532 add_labeled_item(&pane, "Clean1", false, cx);
7533 add_labeled_item(&pane, "Dirty", true, cx).update(cx, |item, cx| {
7534 item.project_items
7535 .push(TestProjectItem::new_dirty(1, "Dirty.txt", cx))
7536 });
7537 add_labeled_item(&pane, "Clean2", false, cx);
7538 assert_item_labels(&pane, ["Clean1", "Dirty^", "Clean2*"], cx);
7539
7540 let close_task = pane.update_in(cx, |pane, window, cx| {
7541 pane.close_all_items(
7542 &CloseAllItems {
7543 save_intent: None,
7544 close_pinned: false,
7545 },
7546 window,
7547 cx,
7548 )
7549 });
7550
7551 cx.executor().run_until_parked();
7552 cx.simulate_prompt_answer("Cancel");
7553 close_task.await.unwrap();
7554 assert_item_labels(&pane, ["Dirty*^"], cx);
7555 }
7556
7557 #[gpui::test]
7558 async fn test_discard_all_reloads_from_disk(cx: &mut TestAppContext) {
7559 init_test(cx);
7560 let fs = FakeFs::new(cx.executor());
7561
7562 let project = Project::test(fs, None, cx).await;
7563 let (workspace, cx) =
7564 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7565 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7566
7567 let item_a = add_labeled_item(&pane, "A", true, cx);
7568 item_a.update(cx, |item, cx| {
7569 item.project_items
7570 .push(TestProjectItem::new_dirty(1, "A.txt", cx))
7571 });
7572 let item_b = add_labeled_item(&pane, "B", true, cx);
7573 item_b.update(cx, |item, cx| {
7574 item.project_items
7575 .push(TestProjectItem::new_dirty(2, "B.txt", cx))
7576 });
7577 assert_item_labels(&pane, ["A^", "B*^"], cx);
7578
7579 let close_task = pane.update_in(cx, |pane, window, cx| {
7580 pane.close_all_items(
7581 &CloseAllItems {
7582 save_intent: None,
7583 close_pinned: false,
7584 },
7585 window,
7586 cx,
7587 )
7588 });
7589
7590 cx.executor().run_until_parked();
7591 cx.simulate_prompt_answer("Discard all");
7592 close_task.await.unwrap();
7593 assert_item_labels(&pane, [], cx);
7594
7595 item_a.read_with(cx, |item, _| {
7596 assert_eq!(item.reload_count, 1, "item A should have been reloaded");
7597 assert!(
7598 !item.is_dirty,
7599 "item A should no longer be dirty after reload"
7600 );
7601 });
7602 item_b.read_with(cx, |item, _| {
7603 assert_eq!(item.reload_count, 1, "item B should have been reloaded");
7604 assert!(
7605 !item.is_dirty,
7606 "item B should no longer be dirty after reload"
7607 );
7608 });
7609 }
7610
7611 #[gpui::test]
7612 async fn test_dont_save_single_file_reloads_from_disk(cx: &mut TestAppContext) {
7613 init_test(cx);
7614 let fs = FakeFs::new(cx.executor());
7615
7616 let project = Project::test(fs, None, cx).await;
7617 let (workspace, cx) =
7618 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7619 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7620
7621 let item = add_labeled_item(&pane, "Dirty", true, cx);
7622 item.update(cx, |item, cx| {
7623 item.project_items
7624 .push(TestProjectItem::new_dirty(1, "Dirty.txt", cx))
7625 });
7626 assert_item_labels(&pane, ["Dirty*^"], cx);
7627
7628 let close_task = pane.update_in(cx, |pane, window, cx| {
7629 pane.close_item_by_id(item.item_id(), SaveIntent::Close, window, cx)
7630 });
7631
7632 cx.executor().run_until_parked();
7633 cx.simulate_prompt_answer("Don't Save");
7634 close_task.await.unwrap();
7635 assert_item_labels(&pane, [], cx);
7636
7637 item.read_with(cx, |item, _| {
7638 assert_eq!(item.reload_count, 1, "item should have been reloaded");
7639 assert!(
7640 !item.is_dirty,
7641 "item should no longer be dirty after reload"
7642 );
7643 });
7644 }
7645
7646 #[gpui::test]
7647 async fn test_discard_does_not_reload_multibuffer(cx: &mut TestAppContext) {
7648 init_test(cx);
7649 let fs = FakeFs::new(cx.executor());
7650
7651 let project = Project::test(fs, None, cx).await;
7652 let (workspace, cx) =
7653 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7654 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7655
7656 let singleton_item = pane.update_in(cx, |pane, window, cx| {
7657 let item = Box::new(cx.new(|cx| {
7658 TestItem::new(cx)
7659 .with_label("Singleton")
7660 .with_dirty(true)
7661 .with_buffer_kind(ItemBufferKind::Singleton)
7662 }));
7663 pane.add_item(item.clone(), false, false, None, window, cx);
7664 item
7665 });
7666 singleton_item.update(cx, |item, cx| {
7667 item.project_items
7668 .push(TestProjectItem::new_dirty(1, "Singleton.txt", cx))
7669 });
7670
7671 let multi_item = pane.update_in(cx, |pane, window, cx| {
7672 let item = Box::new(cx.new(|cx| {
7673 TestItem::new(cx)
7674 .with_label("Multi")
7675 .with_dirty(true)
7676 .with_buffer_kind(ItemBufferKind::Multibuffer)
7677 }));
7678 pane.add_item(item.clone(), false, false, None, window, cx);
7679 item
7680 });
7681 multi_item.update(cx, |item, cx| {
7682 item.project_items
7683 .push(TestProjectItem::new_dirty(2, "Multi.txt", cx))
7684 });
7685
7686 let close_task = pane.update_in(cx, |pane, window, cx| {
7687 pane.close_all_items(
7688 &CloseAllItems {
7689 save_intent: None,
7690 close_pinned: false,
7691 },
7692 window,
7693 cx,
7694 )
7695 });
7696
7697 cx.executor().run_until_parked();
7698 cx.simulate_prompt_answer("Discard all");
7699 close_task.await.unwrap();
7700 assert_item_labels(&pane, [], cx);
7701
7702 singleton_item.read_with(cx, |item, _| {
7703 assert_eq!(item.reload_count, 1, "singleton should have been reloaded");
7704 assert!(
7705 !item.is_dirty,
7706 "singleton should no longer be dirty after reload"
7707 );
7708 });
7709 multi_item.read_with(cx, |item, _| {
7710 assert_eq!(
7711 item.reload_count, 0,
7712 "multibuffer should not have been reloaded"
7713 );
7714 });
7715 }
7716
7717 #[gpui::test]
7718 async fn test_close_multibuffer_items(cx: &mut TestAppContext) {
7719 init_test(cx);
7720 let fs = FakeFs::new(cx.executor());
7721
7722 let project = Project::test(fs, None, cx).await;
7723 let (workspace, cx) =
7724 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7725 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7726
7727 let add_labeled_item = |pane: &Entity<Pane>,
7728 label,
7729 is_dirty,
7730 kind: ItemBufferKind,
7731 cx: &mut VisualTestContext| {
7732 pane.update_in(cx, |pane, window, cx| {
7733 let labeled_item = Box::new(cx.new(|cx| {
7734 TestItem::new(cx)
7735 .with_label(label)
7736 .with_dirty(is_dirty)
7737 .with_buffer_kind(kind)
7738 }));
7739 pane.add_item(labeled_item.clone(), false, false, None, window, cx);
7740 labeled_item
7741 })
7742 };
7743
7744 let item_a = add_labeled_item(&pane, "A", false, ItemBufferKind::Multibuffer, cx);
7745 add_labeled_item(&pane, "B", false, ItemBufferKind::Multibuffer, cx);
7746 add_labeled_item(&pane, "C", false, ItemBufferKind::Singleton, cx);
7747 assert_item_labels(&pane, ["A", "B", "C*"], cx);
7748
7749 pane.update_in(cx, |pane, window, cx| {
7750 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
7751 pane.pin_tab_at(ix, window, cx);
7752 pane.close_multibuffer_items(
7753 &CloseMultibufferItems {
7754 save_intent: None,
7755 close_pinned: false,
7756 },
7757 window,
7758 cx,
7759 )
7760 })
7761 .await
7762 .unwrap();
7763 assert_item_labels(&pane, ["A!", "C*"], cx);
7764
7765 pane.update_in(cx, |pane, window, cx| {
7766 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
7767 pane.unpin_tab_at(ix, window, cx);
7768 pane.close_multibuffer_items(
7769 &CloseMultibufferItems {
7770 save_intent: None,
7771 close_pinned: false,
7772 },
7773 window,
7774 cx,
7775 )
7776 })
7777 .await
7778 .unwrap();
7779
7780 assert_item_labels(&pane, ["C*"], cx);
7781
7782 add_labeled_item(&pane, "A", true, ItemBufferKind::Singleton, cx).update(cx, |item, cx| {
7783 item.project_items
7784 .push(TestProjectItem::new_dirty(1, "A.txt", cx))
7785 });
7786 add_labeled_item(&pane, "B", true, ItemBufferKind::Multibuffer, cx).update(
7787 cx,
7788 |item, cx| {
7789 item.project_items
7790 .push(TestProjectItem::new_dirty(2, "B.txt", cx))
7791 },
7792 );
7793 add_labeled_item(&pane, "D", true, ItemBufferKind::Multibuffer, cx).update(
7794 cx,
7795 |item, cx| {
7796 item.project_items
7797 .push(TestProjectItem::new_dirty(3, "D.txt", cx))
7798 },
7799 );
7800 assert_item_labels(&pane, ["C", "A^", "B^", "D*^"], cx);
7801
7802 let save = pane.update_in(cx, |pane, window, cx| {
7803 pane.close_multibuffer_items(
7804 &CloseMultibufferItems {
7805 save_intent: None,
7806 close_pinned: false,
7807 },
7808 window,
7809 cx,
7810 )
7811 });
7812
7813 cx.executor().run_until_parked();
7814 cx.simulate_prompt_answer("Save all");
7815 save.await.unwrap();
7816 assert_item_labels(&pane, ["C", "A*^"], cx);
7817
7818 add_labeled_item(&pane, "B", true, ItemBufferKind::Multibuffer, cx).update(
7819 cx,
7820 |item, cx| {
7821 item.project_items
7822 .push(TestProjectItem::new_dirty(2, "B.txt", cx))
7823 },
7824 );
7825 add_labeled_item(&pane, "D", true, ItemBufferKind::Multibuffer, cx).update(
7826 cx,
7827 |item, cx| {
7828 item.project_items
7829 .push(TestProjectItem::new_dirty(3, "D.txt", cx))
7830 },
7831 );
7832 assert_item_labels(&pane, ["C", "A^", "B^", "D*^"], cx);
7833 let save = pane.update_in(cx, |pane, window, cx| {
7834 pane.close_multibuffer_items(
7835 &CloseMultibufferItems {
7836 save_intent: None,
7837 close_pinned: false,
7838 },
7839 window,
7840 cx,
7841 )
7842 });
7843
7844 cx.executor().run_until_parked();
7845 cx.simulate_prompt_answer("Discard all");
7846 save.await.unwrap();
7847 assert_item_labels(&pane, ["C", "A*^"], cx);
7848 }
7849
7850 #[gpui::test]
7851 async fn test_close_with_save_intent(cx: &mut TestAppContext) {
7852 init_test(cx);
7853 let fs = FakeFs::new(cx.executor());
7854
7855 let project = Project::test(fs, None, cx).await;
7856 let (workspace, cx) =
7857 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
7858 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7859
7860 let a = cx.update(|_, cx| TestProjectItem::new_dirty(1, "A.txt", cx));
7861 let b = cx.update(|_, cx| TestProjectItem::new_dirty(1, "B.txt", cx));
7862 let c = cx.update(|_, cx| TestProjectItem::new_dirty(1, "C.txt", cx));
7863
7864 add_labeled_item(&pane, "AB", true, cx).update(cx, |item, _| {
7865 item.project_items.push(a.clone());
7866 item.project_items.push(b.clone());
7867 });
7868 add_labeled_item(&pane, "C", true, cx)
7869 .update(cx, |item, _| item.project_items.push(c.clone()));
7870 assert_item_labels(&pane, ["AB^", "C*^"], cx);
7871
7872 pane.update_in(cx, |pane, window, cx| {
7873 pane.close_all_items(
7874 &CloseAllItems {
7875 save_intent: Some(SaveIntent::Save),
7876 close_pinned: false,
7877 },
7878 window,
7879 cx,
7880 )
7881 })
7882 .await
7883 .unwrap();
7884
7885 assert_item_labels(&pane, [], cx);
7886 cx.update(|_, cx| {
7887 assert!(!a.read(cx).is_dirty);
7888 assert!(!b.read(cx).is_dirty);
7889 assert!(!c.read(cx).is_dirty);
7890 });
7891 }
7892
7893 #[gpui::test]
7894 async fn test_new_tab_scrolls_into_view_completely(cx: &mut TestAppContext) {
7895 // Arrange
7896 init_test(cx);
7897 let fs = FakeFs::new(cx.executor());
7898
7899 let project = Project::test(fs, None, cx).await;
7900 let (workspace, cx) =
7901 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
7902 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7903
7904 cx.simulate_resize(size(px(300.), px(300.)));
7905
7906 add_labeled_item(&pane, "untitled", false, cx);
7907 add_labeled_item(&pane, "untitled", false, cx);
7908 add_labeled_item(&pane, "untitled", false, cx);
7909 add_labeled_item(&pane, "untitled", false, cx);
7910 // Act: this should trigger a scroll
7911 add_labeled_item(&pane, "untitled", false, cx);
7912 // Assert
7913 let tab_bar_scroll_handle =
7914 pane.update_in(cx, |pane, _window, _cx| pane.tab_bar_scroll_handle.clone());
7915 assert_eq!(tab_bar_scroll_handle.children_count(), 6);
7916 let tab_bounds = cx.debug_bounds("TAB-4").unwrap();
7917 let new_tab_button_bounds = cx.debug_bounds("ICON-Plus").unwrap();
7918 let scroll_bounds = tab_bar_scroll_handle.bounds();
7919 let scroll_offset = tab_bar_scroll_handle.offset();
7920 assert!(tab_bounds.right() <= scroll_bounds.right());
7921 // -38.5 is the magic number for this setup
7922 assert_eq!(scroll_offset.x, px(-38.5));
7923 assert!(
7924 !tab_bounds.intersects(&new_tab_button_bounds),
7925 "Tab should not overlap with the new tab button, if this is failing check if there's been a redesign!"
7926 );
7927 }
7928
7929 #[gpui::test]
7930 async fn test_close_all_items_including_pinned(cx: &mut TestAppContext) {
7931 init_test(cx);
7932 let fs = FakeFs::new(cx.executor());
7933
7934 let project = Project::test(fs, None, cx).await;
7935 let (workspace, cx) =
7936 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
7937 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7938
7939 let item_a = add_labeled_item(&pane, "A", false, cx);
7940 add_labeled_item(&pane, "B", false, cx);
7941 add_labeled_item(&pane, "C", false, cx);
7942 assert_item_labels(&pane, ["A", "B", "C*"], cx);
7943
7944 pane.update_in(cx, |pane, window, cx| {
7945 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
7946 pane.pin_tab_at(ix, window, cx);
7947 pane.close_all_items(
7948 &CloseAllItems {
7949 save_intent: None,
7950 close_pinned: true,
7951 },
7952 window,
7953 cx,
7954 )
7955 })
7956 .await
7957 .unwrap();
7958 assert_item_labels(&pane, [], cx);
7959 }
7960
7961 #[gpui::test]
7962 async fn test_close_pinned_tab_with_non_pinned_in_same_pane(cx: &mut TestAppContext) {
7963 init_test(cx);
7964 let fs = FakeFs::new(cx.executor());
7965 let project = Project::test(fs, None, cx).await;
7966 let (workspace, cx) =
7967 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
7968
7969 // Non-pinned tabs in same pane
7970 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7971 add_labeled_item(&pane, "A", false, cx);
7972 add_labeled_item(&pane, "B", false, cx);
7973 add_labeled_item(&pane, "C", false, cx);
7974 pane.update_in(cx, |pane, window, cx| {
7975 pane.pin_tab_at(0, window, cx);
7976 });
7977 set_labeled_items(&pane, ["A*", "B", "C"], cx);
7978 pane.update_in(cx, |pane, window, cx| {
7979 pane.close_active_item(
7980 &CloseActiveItem {
7981 save_intent: None,
7982 close_pinned: false,
7983 },
7984 window,
7985 cx,
7986 )
7987 .unwrap();
7988 });
7989 // Non-pinned tab should be active
7990 assert_item_labels(&pane, ["A!", "B*", "C"], cx);
7991 }
7992
7993 #[gpui::test]
7994 async fn test_close_pinned_tab_with_non_pinned_in_different_pane(cx: &mut TestAppContext) {
7995 init_test(cx);
7996 let fs = FakeFs::new(cx.executor());
7997 let project = Project::test(fs, None, cx).await;
7998 let (workspace, cx) =
7999 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
8000
8001 // No non-pinned tabs in same pane, non-pinned tabs in another pane
8002 let pane1 = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8003 let pane2 = workspace.update_in(cx, |workspace, window, cx| {
8004 workspace.split_pane(pane1.clone(), SplitDirection::Right, window, cx)
8005 });
8006 add_labeled_item(&pane1, "A", false, cx);
8007 pane1.update_in(cx, |pane, window, cx| {
8008 pane.pin_tab_at(0, window, cx);
8009 });
8010 set_labeled_items(&pane1, ["A*"], cx);
8011 add_labeled_item(&pane2, "B", false, cx);
8012 set_labeled_items(&pane2, ["B"], cx);
8013 pane1.update_in(cx, |pane, window, cx| {
8014 pane.close_active_item(
8015 &CloseActiveItem {
8016 save_intent: None,
8017 close_pinned: false,
8018 },
8019 window,
8020 cx,
8021 )
8022 .unwrap();
8023 });
8024 // Non-pinned tab of other pane should be active
8025 assert_item_labels(&pane2, ["B*"], cx);
8026 }
8027
8028 #[gpui::test]
8029 async fn ensure_item_closing_actions_do_not_panic_when_no_items_exist(cx: &mut TestAppContext) {
8030 init_test(cx);
8031 let fs = FakeFs::new(cx.executor());
8032 let project = Project::test(fs, None, cx).await;
8033 let (workspace, cx) =
8034 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
8035
8036 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8037 assert_item_labels(&pane, [], cx);
8038
8039 pane.update_in(cx, |pane, window, cx| {
8040 pane.close_active_item(
8041 &CloseActiveItem {
8042 save_intent: None,
8043 close_pinned: false,
8044 },
8045 window,
8046 cx,
8047 )
8048 })
8049 .await
8050 .unwrap();
8051
8052 pane.update_in(cx, |pane, window, cx| {
8053 pane.close_other_items(
8054 &CloseOtherItems {
8055 save_intent: None,
8056 close_pinned: false,
8057 },
8058 None,
8059 window,
8060 cx,
8061 )
8062 })
8063 .await
8064 .unwrap();
8065
8066 pane.update_in(cx, |pane, window, cx| {
8067 pane.close_all_items(
8068 &CloseAllItems {
8069 save_intent: None,
8070 close_pinned: false,
8071 },
8072 window,
8073 cx,
8074 )
8075 })
8076 .await
8077 .unwrap();
8078
8079 pane.update_in(cx, |pane, window, cx| {
8080 pane.close_clean_items(
8081 &CloseCleanItems {
8082 close_pinned: false,
8083 },
8084 window,
8085 cx,
8086 )
8087 })
8088 .await
8089 .unwrap();
8090
8091 pane.update_in(cx, |pane, window, cx| {
8092 pane.close_items_to_the_right_by_id(
8093 None,
8094 &CloseItemsToTheRight {
8095 close_pinned: false,
8096 },
8097 window,
8098 cx,
8099 )
8100 })
8101 .await
8102 .unwrap();
8103
8104 pane.update_in(cx, |pane, window, cx| {
8105 pane.close_items_to_the_left_by_id(
8106 None,
8107 &CloseItemsToTheLeft {
8108 close_pinned: false,
8109 },
8110 window,
8111 cx,
8112 )
8113 })
8114 .await
8115 .unwrap();
8116 }
8117
8118 #[gpui::test]
8119 async fn test_item_swapping_actions(cx: &mut TestAppContext) {
8120 init_test(cx);
8121 let fs = FakeFs::new(cx.executor());
8122 let project = Project::test(fs, None, cx).await;
8123 let (workspace, cx) =
8124 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
8125
8126 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8127 assert_item_labels(&pane, [], cx);
8128
8129 // Test that these actions do not panic
8130 pane.update_in(cx, |pane, window, cx| {
8131 pane.swap_item_right(&Default::default(), window, cx);
8132 });
8133
8134 pane.update_in(cx, |pane, window, cx| {
8135 pane.swap_item_left(&Default::default(), window, cx);
8136 });
8137
8138 add_labeled_item(&pane, "A", false, cx);
8139 add_labeled_item(&pane, "B", false, cx);
8140 add_labeled_item(&pane, "C", false, cx);
8141 assert_item_labels(&pane, ["A", "B", "C*"], cx);
8142
8143 pane.update_in(cx, |pane, window, cx| {
8144 pane.swap_item_right(&Default::default(), window, cx);
8145 });
8146 assert_item_labels(&pane, ["A", "B", "C*"], cx);
8147
8148 pane.update_in(cx, |pane, window, cx| {
8149 pane.swap_item_left(&Default::default(), window, cx);
8150 });
8151 assert_item_labels(&pane, ["A", "C*", "B"], cx);
8152
8153 pane.update_in(cx, |pane, window, cx| {
8154 pane.swap_item_left(&Default::default(), window, cx);
8155 });
8156 assert_item_labels(&pane, ["C*", "A", "B"], cx);
8157
8158 pane.update_in(cx, |pane, window, cx| {
8159 pane.swap_item_left(&Default::default(), window, cx);
8160 });
8161 assert_item_labels(&pane, ["C*", "A", "B"], cx);
8162
8163 pane.update_in(cx, |pane, window, cx| {
8164 pane.swap_item_right(&Default::default(), window, cx);
8165 });
8166 assert_item_labels(&pane, ["A", "C*", "B"], cx);
8167 }
8168
8169 #[gpui::test]
8170 async fn test_split_empty(cx: &mut TestAppContext) {
8171 for split_direction in SplitDirection::all() {
8172 test_single_pane_split(["A"], split_direction, SplitMode::EmptyPane, cx).await;
8173 }
8174 }
8175
8176 #[gpui::test]
8177 async fn test_split_clone(cx: &mut TestAppContext) {
8178 for split_direction in SplitDirection::all() {
8179 test_single_pane_split(["A"], split_direction, SplitMode::ClonePane, cx).await;
8180 }
8181 }
8182
8183 #[gpui::test]
8184 async fn test_split_move_right_on_single_pane(cx: &mut TestAppContext) {
8185 test_single_pane_split(["A"], SplitDirection::Right, SplitMode::MovePane, cx).await;
8186 }
8187
8188 #[gpui::test]
8189 async fn test_split_move(cx: &mut TestAppContext) {
8190 for split_direction in SplitDirection::all() {
8191 test_single_pane_split(["A", "B"], split_direction, SplitMode::MovePane, cx).await;
8192 }
8193 }
8194
8195 #[gpui::test]
8196 async fn test_reopening_closed_item_after_unpreview(cx: &mut TestAppContext) {
8197 init_test(cx);
8198
8199 cx.update_global::<SettingsStore, ()>(|store, cx| {
8200 store.update_user_settings(cx, |settings| {
8201 settings.preview_tabs.get_or_insert_default().enabled = Some(true);
8202 });
8203 });
8204
8205 let fs = FakeFs::new(cx.executor());
8206 let project = Project::test(fs, None, cx).await;
8207 let (workspace, cx) =
8208 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
8209 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8210
8211 // Add an item as preview
8212 let item = pane.update_in(cx, |pane, window, cx| {
8213 let item = Box::new(cx.new(|cx| TestItem::new(cx).with_label("A")));
8214 pane.add_item(item.clone(), true, true, None, window, cx);
8215 pane.set_preview_item_id(Some(item.item_id()), cx);
8216 item
8217 });
8218
8219 // Verify item is preview
8220 pane.read_with(cx, |pane, _| {
8221 assert_eq!(pane.preview_item_id(), Some(item.item_id()));
8222 });
8223
8224 // Unpreview the item
8225 pane.update_in(cx, |pane, _window, _cx| {
8226 pane.unpreview_item_if_preview(item.item_id());
8227 });
8228
8229 // Verify item is no longer preview
8230 pane.read_with(cx, |pane, _| {
8231 assert_eq!(pane.preview_item_id(), None);
8232 });
8233
8234 // Close the item
8235 pane.update_in(cx, |pane, window, cx| {
8236 pane.close_item_by_id(item.item_id(), SaveIntent::Skip, window, cx)
8237 .detach_and_log_err(cx);
8238 });
8239
8240 cx.run_until_parked();
8241
8242 // The item should be in the closed_stack and reopenable
8243 let has_closed_items = pane.read_with(cx, |pane, _| {
8244 !pane.nav_history.0.lock().closed_stack.is_empty()
8245 });
8246 assert!(
8247 has_closed_items,
8248 "closed item should be in closed_stack and reopenable"
8249 );
8250 }
8251
8252 fn init_test(cx: &mut TestAppContext) {
8253 cx.update(|cx| {
8254 let settings_store = SettingsStore::test(cx);
8255 cx.set_global(settings_store);
8256 theme::init(LoadThemes::JustBase, cx);
8257 });
8258 }
8259
8260 fn set_max_tabs(cx: &mut TestAppContext, value: Option<usize>) {
8261 cx.update_global(|store: &mut SettingsStore, cx| {
8262 store.update_user_settings(cx, |settings| {
8263 settings.workspace.max_tabs = value.map(|v| NonZero::new(v).unwrap())
8264 });
8265 });
8266 }
8267
8268 fn set_pinned_tabs_separate_row(cx: &mut TestAppContext, enabled: bool) {
8269 cx.update_global(|store: &mut SettingsStore, cx| {
8270 store.update_user_settings(cx, |settings| {
8271 settings
8272 .tab_bar
8273 .get_or_insert_default()
8274 .show_pinned_tabs_in_separate_row = Some(enabled);
8275 });
8276 });
8277 }
8278
8279 fn add_labeled_item(
8280 pane: &Entity<Pane>,
8281 label: &str,
8282 is_dirty: bool,
8283 cx: &mut VisualTestContext,
8284 ) -> Box<Entity<TestItem>> {
8285 pane.update_in(cx, |pane, window, cx| {
8286 let labeled_item =
8287 Box::new(cx.new(|cx| TestItem::new(cx).with_label(label).with_dirty(is_dirty)));
8288 pane.add_item(labeled_item.clone(), false, false, None, window, cx);
8289 labeled_item
8290 })
8291 }
8292
8293 fn set_labeled_items<const COUNT: usize>(
8294 pane: &Entity<Pane>,
8295 labels: [&str; COUNT],
8296 cx: &mut VisualTestContext,
8297 ) -> [Box<Entity<TestItem>>; COUNT] {
8298 pane.update_in(cx, |pane, window, cx| {
8299 pane.items.clear();
8300 let mut active_item_index = 0;
8301
8302 let mut index = 0;
8303 let items = labels.map(|mut label| {
8304 if label.ends_with('*') {
8305 label = label.trim_end_matches('*');
8306 active_item_index = index;
8307 }
8308
8309 let labeled_item = Box::new(cx.new(|cx| TestItem::new(cx).with_label(label)));
8310 pane.add_item(labeled_item.clone(), false, false, None, window, cx);
8311 index += 1;
8312 labeled_item
8313 });
8314
8315 pane.activate_item(active_item_index, false, false, window, cx);
8316
8317 items
8318 })
8319 }
8320
8321 // Assert the item label, with the active item label suffixed with a '*'
8322 #[track_caller]
8323 fn assert_item_labels<const COUNT: usize>(
8324 pane: &Entity<Pane>,
8325 expected_states: [&str; COUNT],
8326 cx: &mut VisualTestContext,
8327 ) {
8328 let actual_states = pane.update(cx, |pane, cx| {
8329 pane.items
8330 .iter()
8331 .enumerate()
8332 .map(|(ix, item)| {
8333 let mut state = item
8334 .to_any_view()
8335 .downcast::<TestItem>()
8336 .unwrap()
8337 .read(cx)
8338 .label
8339 .clone();
8340 if ix == pane.active_item_index {
8341 state.push('*');
8342 }
8343 if item.is_dirty(cx) {
8344 state.push('^');
8345 }
8346 if pane.is_tab_pinned(ix) {
8347 state.push('!');
8348 }
8349 state
8350 })
8351 .collect::<Vec<_>>()
8352 });
8353 assert_eq!(
8354 actual_states, expected_states,
8355 "pane items do not match expectation"
8356 );
8357 }
8358
8359 // Assert the item label, with the active item label expected active index
8360 #[track_caller]
8361 fn assert_item_labels_active_index(
8362 pane: &Entity<Pane>,
8363 expected_states: &[&str],
8364 expected_active_idx: usize,
8365 cx: &mut VisualTestContext,
8366 ) {
8367 let actual_states = pane.update(cx, |pane, cx| {
8368 pane.items
8369 .iter()
8370 .enumerate()
8371 .map(|(ix, item)| {
8372 let mut state = item
8373 .to_any_view()
8374 .downcast::<TestItem>()
8375 .unwrap()
8376 .read(cx)
8377 .label
8378 .clone();
8379 if ix == pane.active_item_index {
8380 assert_eq!(ix, expected_active_idx);
8381 }
8382 if item.is_dirty(cx) {
8383 state.push('^');
8384 }
8385 if pane.is_tab_pinned(ix) {
8386 state.push('!');
8387 }
8388 state
8389 })
8390 .collect::<Vec<_>>()
8391 });
8392 assert_eq!(
8393 actual_states, expected_states,
8394 "pane items do not match expectation"
8395 );
8396 }
8397
8398 #[track_caller]
8399 fn assert_pane_ids_on_axis<const COUNT: usize>(
8400 workspace: &Entity<Workspace>,
8401 expected_ids: [&EntityId; COUNT],
8402 expected_axis: Axis,
8403 cx: &mut VisualTestContext,
8404 ) {
8405 workspace.read_with(cx, |workspace, _| match &workspace.center.root {
8406 Member::Axis(axis) => {
8407 assert_eq!(axis.axis, expected_axis);
8408 assert_eq!(axis.members.len(), expected_ids.len());
8409 assert!(
8410 zip(expected_ids, &axis.members).all(|(e, a)| {
8411 if let Member::Pane(p) = a {
8412 p.entity_id() == *e
8413 } else {
8414 false
8415 }
8416 }),
8417 "pane ids do not match expectation: {expected_ids:?} != {actual_ids:?}",
8418 actual_ids = axis.members
8419 );
8420 }
8421 Member::Pane(_) => panic!("expected axis"),
8422 });
8423 }
8424
8425 async fn test_single_pane_split<const COUNT: usize>(
8426 pane_labels: [&str; COUNT],
8427 direction: SplitDirection,
8428 operation: SplitMode,
8429 cx: &mut TestAppContext,
8430 ) {
8431 init_test(cx);
8432 let fs = FakeFs::new(cx.executor());
8433 let project = Project::test(fs, None, cx).await;
8434 let (workspace, cx) =
8435 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
8436
8437 let mut pane_before =
8438 workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8439 for label in pane_labels {
8440 add_labeled_item(&pane_before, label, false, cx);
8441 }
8442 pane_before.update_in(cx, |pane, window, cx| {
8443 pane.split(direction, operation, window, cx)
8444 });
8445 cx.executor().run_until_parked();
8446 let pane_after = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8447
8448 let num_labels = pane_labels.len();
8449 let last_as_active = format!("{}*", String::from(pane_labels[num_labels - 1]));
8450
8451 // check labels for all split operations
8452 match operation {
8453 SplitMode::EmptyPane => {
8454 assert_item_labels_active_index(&pane_before, &pane_labels, num_labels - 1, cx);
8455 assert_item_labels(&pane_after, [], cx);
8456 }
8457 SplitMode::ClonePane => {
8458 assert_item_labels_active_index(&pane_before, &pane_labels, num_labels - 1, cx);
8459 assert_item_labels(&pane_after, [&last_as_active], cx);
8460 }
8461 SplitMode::MovePane => {
8462 let head = &pane_labels[..(num_labels - 1)];
8463 if num_labels == 1 {
8464 // We special-case this behavior and actually execute an empty pane command
8465 // followed by a refocus of the old pane for this case.
8466 pane_before = workspace.read_with(cx, |workspace, _cx| {
8467 workspace
8468 .panes()
8469 .into_iter()
8470 .find(|pane| *pane != &pane_after)
8471 .unwrap()
8472 .clone()
8473 });
8474 };
8475
8476 assert_item_labels_active_index(
8477 &pane_before,
8478 &head,
8479 head.len().saturating_sub(1),
8480 cx,
8481 );
8482 assert_item_labels(&pane_after, [&last_as_active], cx);
8483 pane_after.update_in(cx, |pane, window, cx| {
8484 window.focused(cx).is_some_and(|focus_handle| {
8485 focus_handle == pane.active_item().unwrap().item_focus_handle(cx)
8486 })
8487 });
8488 }
8489 }
8490
8491 // expected axis depends on split direction
8492 let expected_axis = match direction {
8493 SplitDirection::Right | SplitDirection::Left => Axis::Horizontal,
8494 SplitDirection::Up | SplitDirection::Down => Axis::Vertical,
8495 };
8496
8497 // expected ids depends on split direction
8498 let expected_ids = match direction {
8499 SplitDirection::Right | SplitDirection::Down => {
8500 [&pane_before.entity_id(), &pane_after.entity_id()]
8501 }
8502 SplitDirection::Left | SplitDirection::Up => {
8503 [&pane_after.entity_id(), &pane_before.entity_id()]
8504 }
8505 };
8506
8507 // check pane axes for all operations
8508 match operation {
8509 SplitMode::EmptyPane | SplitMode::ClonePane => {
8510 assert_pane_ids_on_axis(&workspace, expected_ids, expected_axis, cx);
8511 }
8512 SplitMode::MovePane => {
8513 assert_pane_ids_on_axis(&workspace, expected_ids, expected_axis, cx);
8514 }
8515 }
8516 }
8517}