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 if toggleable {
2806 Tooltip::with_meta(
2807 "Unlock File",
2808 None,
2809 "This will make this file editable",
2810 cx,
2811 )
2812 } else {
2813 Tooltip::with_meta("Locked File", None, "This file is read-only", cx)
2814 }
2815 })
2816 .on_click(cx.listener(move |pane, _, window, cx| {
2817 if let Some(item) = pane.item_for_index(ix) {
2818 item.toggle_read_only(window, cx);
2819 }
2820 }))
2821 };
2822
2823 let has_file_icon = icon.is_some() | decorated_icon.is_some();
2824
2825 let capability = item.capability(cx);
2826 let tab = Tab::new(ix)
2827 .position(if is_first_item {
2828 TabPosition::First
2829 } else if is_last_item {
2830 TabPosition::Last
2831 } else {
2832 TabPosition::Middle(position_relative_to_active_item)
2833 })
2834 .close_side(match close_side {
2835 ClosePosition::Left => ui::TabCloseSide::Start,
2836 ClosePosition::Right => ui::TabCloseSide::End,
2837 })
2838 .toggle_state(is_active)
2839 .on_click(cx.listener({
2840 let item_handle = item.boxed_clone();
2841 move |pane: &mut Self, event: &ClickEvent, window, cx| {
2842 if event.click_count() > 1 {
2843 pane.unpreview_item_if_preview(item_id);
2844 let extra_actions = item_handle.tab_extra_context_menu_actions(window, cx);
2845 if let Some((_, action)) = extra_actions
2846 .into_iter()
2847 .find(|(label, _)| label.as_ref() == "Rename")
2848 {
2849 // Dispatch action directly through the focus handle to avoid
2850 // relay_action's intermediate focus step which can interfere
2851 // with inline editors.
2852 let focus_handle = item_handle.item_focus_handle(cx);
2853 focus_handle.dispatch_action(&*action, window, cx);
2854 return;
2855 }
2856 }
2857 pane.activate_item(ix, true, true, window, cx)
2858 }
2859 }))
2860 .on_aux_click(
2861 cx.listener(move |pane: &mut Self, event: &ClickEvent, window, cx| {
2862 if !event.is_middle_click() {
2863 return;
2864 }
2865
2866 pane.close_item_by_id(item_id, SaveIntent::Close, window, cx)
2867 .detach_and_log_err(cx);
2868 }),
2869 )
2870 .on_drag(
2871 DraggedTab {
2872 item: item.boxed_clone(),
2873 pane: cx.entity(),
2874 detail,
2875 is_active,
2876 ix,
2877 },
2878 |tab, _, _, cx| cx.new(|_| tab.clone()),
2879 )
2880 .drag_over::<DraggedTab>(move |tab, dragged_tab: &DraggedTab, _, cx| {
2881 let mut styled_tab = tab
2882 .bg(cx.theme().colors().drop_target_background)
2883 .border_color(cx.theme().colors().drop_target_border)
2884 .border_0();
2885
2886 if ix < dragged_tab.ix {
2887 styled_tab = styled_tab.border_l_2();
2888 } else if ix > dragged_tab.ix {
2889 styled_tab = styled_tab.border_r_2();
2890 }
2891
2892 styled_tab
2893 })
2894 .drag_over::<DraggedSelection>(|tab, _, _, cx| {
2895 tab.bg(cx.theme().colors().drop_target_background)
2896 })
2897 .when_some(self.can_drop_predicate.clone(), |this, p| {
2898 this.can_drop(move |a, window, cx| p(a, window, cx))
2899 })
2900 .on_drop(
2901 cx.listener(move |this, dragged_tab: &DraggedTab, window, cx| {
2902 this.drag_split_direction = None;
2903 this.handle_tab_drop(dragged_tab, ix, window, cx)
2904 }),
2905 )
2906 .on_drop(
2907 cx.listener(move |this, selection: &DraggedSelection, window, cx| {
2908 this.drag_split_direction = None;
2909 this.handle_dragged_selection_drop(selection, Some(ix), window, cx)
2910 }),
2911 )
2912 .on_drop(cx.listener(move |this, paths, window, cx| {
2913 this.drag_split_direction = None;
2914 this.handle_external_paths_drop(paths, window, cx)
2915 }))
2916 .start_slot::<Indicator>(indicator)
2917 .map(|this| {
2918 let end_slot_action: &'static dyn Action;
2919 let end_slot_tooltip_text: &'static str;
2920 let end_slot = if is_pinned {
2921 end_slot_action = &TogglePinTab;
2922 end_slot_tooltip_text = "Unpin Tab";
2923 IconButton::new("unpin tab", IconName::Pin)
2924 .shape(IconButtonShape::Square)
2925 .icon_color(Color::Muted)
2926 .size(ButtonSize::None)
2927 .icon_size(IconSize::Small)
2928 .on_click(cx.listener(move |pane, _, window, cx| {
2929 pane.unpin_tab_at(ix, window, cx);
2930 }))
2931 } else {
2932 end_slot_action = &CloseActiveItem {
2933 save_intent: None,
2934 close_pinned: false,
2935 };
2936 end_slot_tooltip_text = "Close Tab";
2937 match show_close_button {
2938 ShowCloseButton::Always => IconButton::new("close tab", IconName::Close),
2939 ShowCloseButton::Hover => {
2940 IconButton::new("close tab", IconName::Close).visible_on_hover("")
2941 }
2942 ShowCloseButton::Hidden => return this,
2943 }
2944 .shape(IconButtonShape::Square)
2945 .icon_color(Color::Muted)
2946 .size(ButtonSize::None)
2947 .icon_size(IconSize::Small)
2948 .on_click(cx.listener(move |pane, _, window, cx| {
2949 pane.close_item_by_id(item_id, SaveIntent::Close, window, cx)
2950 .detach_and_log_err(cx);
2951 }))
2952 }
2953 .map(|this| {
2954 if is_active {
2955 let focus_handle = focus_handle.clone();
2956 this.tooltip(move |window, cx| {
2957 Tooltip::for_action_in(
2958 end_slot_tooltip_text,
2959 end_slot_action,
2960 &window.focused(cx).unwrap_or_else(|| focus_handle.clone()),
2961 cx,
2962 )
2963 })
2964 } else {
2965 this.tooltip(Tooltip::text(end_slot_tooltip_text))
2966 }
2967 });
2968 this.end_slot(end_slot)
2969 })
2970 .child(
2971 h_flex()
2972 .id(("pane-tab-content", ix))
2973 .gap_1()
2974 .children(if let Some(decorated_icon) = decorated_icon {
2975 Some(decorated_icon.into_any_element())
2976 } else if let Some(icon) = icon {
2977 Some(icon.into_any_element())
2978 } else if !capability.editable() {
2979 Some(read_only_toggle(capability == Capability::Read).into_any_element())
2980 } else {
2981 None
2982 })
2983 .child(label)
2984 .map(|this| match tab_tooltip_content {
2985 Some(TabTooltipContent::Text(text)) => {
2986 if capability.editable() {
2987 this.tooltip(Tooltip::text(text))
2988 } else {
2989 this.tooltip(move |_, cx| {
2990 let text = text.clone();
2991 Tooltip::with_meta(text, None, "Read-Only File", cx)
2992 })
2993 }
2994 }
2995 Some(TabTooltipContent::Custom(element_fn)) => {
2996 this.tooltip(move |window, cx| element_fn(window, cx))
2997 }
2998 None => this,
2999 })
3000 .when(capability == Capability::Read && has_file_icon, |this| {
3001 this.child(read_only_toggle(true))
3002 }),
3003 );
3004
3005 let single_entry_to_resolve = (self.items[ix].buffer_kind(cx) == ItemBufferKind::Singleton)
3006 .then(|| self.items[ix].project_entry_ids(cx).get(0).copied())
3007 .flatten();
3008
3009 let total_items = self.items.len();
3010 let has_multibuffer_items = self
3011 .items
3012 .iter()
3013 .any(|item| item.buffer_kind(cx) == ItemBufferKind::Multibuffer);
3014 let has_items_to_left = ix > 0;
3015 let has_items_to_right = ix < total_items - 1;
3016 let has_clean_items = self.items.iter().any(|item| !item.is_dirty(cx));
3017 let is_pinned = self.is_tab_pinned(ix);
3018
3019 let pane = cx.entity().downgrade();
3020 let menu_context = item.item_focus_handle(cx);
3021 let item_handle = item.boxed_clone();
3022
3023 right_click_menu(ix)
3024 .trigger(|_, _, _| tab)
3025 .menu(move |window, cx| {
3026 let pane = pane.clone();
3027 let menu_context = menu_context.clone();
3028 let extra_actions = item_handle.tab_extra_context_menu_actions(window, cx);
3029 ContextMenu::build(window, cx, move |mut menu, window, cx| {
3030 let close_active_item_action = CloseActiveItem {
3031 save_intent: None,
3032 close_pinned: true,
3033 };
3034 let close_inactive_items_action = CloseOtherItems {
3035 save_intent: None,
3036 close_pinned: false,
3037 };
3038 let close_multibuffers_action = CloseMultibufferItems {
3039 save_intent: None,
3040 close_pinned: false,
3041 };
3042 let close_items_to_the_left_action = CloseItemsToTheLeft {
3043 close_pinned: false,
3044 };
3045 let close_items_to_the_right_action = CloseItemsToTheRight {
3046 close_pinned: false,
3047 };
3048 let close_clean_items_action = CloseCleanItems {
3049 close_pinned: false,
3050 };
3051 let close_all_items_action = CloseAllItems {
3052 save_intent: None,
3053 close_pinned: false,
3054 };
3055 if let Some(pane) = pane.upgrade() {
3056 menu = menu
3057 .entry(
3058 "Close",
3059 Some(Box::new(close_active_item_action)),
3060 window.handler_for(&pane, move |pane, window, cx| {
3061 pane.close_item_by_id(item_id, SaveIntent::Close, window, cx)
3062 .detach_and_log_err(cx);
3063 }),
3064 )
3065 .item(ContextMenuItem::Entry(
3066 ContextMenuEntry::new("Close Others")
3067 .action(Box::new(close_inactive_items_action.clone()))
3068 .disabled(total_items == 1)
3069 .handler(window.handler_for(&pane, move |pane, window, cx| {
3070 pane.close_other_items(
3071 &close_inactive_items_action,
3072 Some(item_id),
3073 window,
3074 cx,
3075 )
3076 .detach_and_log_err(cx);
3077 })),
3078 ))
3079 // We make this optional, instead of using disabled as to not overwhelm the context menu unnecessarily
3080 .extend(has_multibuffer_items.then(|| {
3081 ContextMenuItem::Entry(
3082 ContextMenuEntry::new("Close Multibuffers")
3083 .action(Box::new(close_multibuffers_action.clone()))
3084 .handler(window.handler_for(
3085 &pane,
3086 move |pane, window, cx| {
3087 pane.close_multibuffer_items(
3088 &close_multibuffers_action,
3089 window,
3090 cx,
3091 )
3092 .detach_and_log_err(cx);
3093 },
3094 )),
3095 )
3096 }))
3097 .separator()
3098 .item(ContextMenuItem::Entry(
3099 ContextMenuEntry::new("Close Left")
3100 .action(Box::new(close_items_to_the_left_action.clone()))
3101 .disabled(!has_items_to_left)
3102 .handler(window.handler_for(&pane, move |pane, window, cx| {
3103 pane.close_items_to_the_left_by_id(
3104 Some(item_id),
3105 &close_items_to_the_left_action,
3106 window,
3107 cx,
3108 )
3109 .detach_and_log_err(cx);
3110 })),
3111 ))
3112 .item(ContextMenuItem::Entry(
3113 ContextMenuEntry::new("Close Right")
3114 .action(Box::new(close_items_to_the_right_action.clone()))
3115 .disabled(!has_items_to_right)
3116 .handler(window.handler_for(&pane, move |pane, window, cx| {
3117 pane.close_items_to_the_right_by_id(
3118 Some(item_id),
3119 &close_items_to_the_right_action,
3120 window,
3121 cx,
3122 )
3123 .detach_and_log_err(cx);
3124 })),
3125 ))
3126 .separator()
3127 .item(ContextMenuItem::Entry(
3128 ContextMenuEntry::new("Close Clean")
3129 .action(Box::new(close_clean_items_action.clone()))
3130 .disabled(!has_clean_items)
3131 .handler(window.handler_for(&pane, move |pane, window, cx| {
3132 pane.close_clean_items(
3133 &close_clean_items_action,
3134 window,
3135 cx,
3136 )
3137 .detach_and_log_err(cx)
3138 })),
3139 ))
3140 .entry(
3141 "Close All",
3142 Some(Box::new(close_all_items_action.clone())),
3143 window.handler_for(&pane, move |pane, window, cx| {
3144 pane.close_all_items(&close_all_items_action, window, cx)
3145 .detach_and_log_err(cx)
3146 }),
3147 );
3148
3149 let pin_tab_entries = |menu: ContextMenu| {
3150 menu.separator().map(|this| {
3151 if is_pinned {
3152 this.entry(
3153 "Unpin Tab",
3154 Some(TogglePinTab.boxed_clone()),
3155 window.handler_for(&pane, move |pane, window, cx| {
3156 pane.unpin_tab_at(ix, window, cx);
3157 }),
3158 )
3159 } else {
3160 this.entry(
3161 "Pin Tab",
3162 Some(TogglePinTab.boxed_clone()),
3163 window.handler_for(&pane, move |pane, window, cx| {
3164 pane.pin_tab_at(ix, window, cx);
3165 }),
3166 )
3167 }
3168 })
3169 };
3170
3171 if capability != Capability::ReadOnly {
3172 let read_only_label = if capability.editable() {
3173 "Make File Read-Only"
3174 } else {
3175 "Make File Editable"
3176 };
3177 menu = menu.separator().entry(
3178 read_only_label,
3179 None,
3180 window.handler_for(&pane, move |pane, window, cx| {
3181 if let Some(item) = pane.item_for_index(ix) {
3182 item.toggle_read_only(window, cx);
3183 }
3184 }),
3185 );
3186 }
3187
3188 if let Some(entry) = single_entry_to_resolve {
3189 let project_path = pane
3190 .read(cx)
3191 .item_for_entry(entry, cx)
3192 .and_then(|item| item.project_path(cx));
3193 let worktree = project_path.as_ref().and_then(|project_path| {
3194 pane.read(cx)
3195 .project
3196 .upgrade()?
3197 .read(cx)
3198 .worktree_for_id(project_path.worktree_id, cx)
3199 });
3200 let has_relative_path = worktree.as_ref().is_some_and(|worktree| {
3201 worktree
3202 .read(cx)
3203 .root_entry()
3204 .is_some_and(|entry| entry.is_dir())
3205 });
3206
3207 let entry_abs_path = pane.read(cx).entry_abs_path(entry, cx);
3208 let parent_abs_path = entry_abs_path
3209 .as_deref()
3210 .and_then(|abs_path| Some(abs_path.parent()?.to_path_buf()));
3211 let relative_path = project_path
3212 .map(|project_path| project_path.path)
3213 .filter(|_| has_relative_path);
3214
3215 let visible_in_project_panel = relative_path.is_some()
3216 && worktree.is_some_and(|worktree| worktree.read(cx).is_visible());
3217
3218 let entry_id = entry.to_proto();
3219
3220 menu = menu
3221 .separator()
3222 .when_some(entry_abs_path, |menu, abs_path| {
3223 menu.entry(
3224 "Copy Path",
3225 Some(Box::new(zed_actions::workspace::CopyPath)),
3226 window.handler_for(&pane, move |_, _, cx| {
3227 cx.write_to_clipboard(ClipboardItem::new_string(
3228 abs_path.to_string_lossy().into_owned(),
3229 ));
3230 }),
3231 )
3232 })
3233 .when_some(relative_path, |menu, relative_path| {
3234 menu.entry(
3235 "Copy Relative Path",
3236 Some(Box::new(zed_actions::workspace::CopyRelativePath)),
3237 window.handler_for(&pane, move |this, _, cx| {
3238 let Some(project) = this.project.upgrade() else {
3239 return;
3240 };
3241 let path_style = project
3242 .update(cx, |project, cx| project.path_style(cx));
3243 cx.write_to_clipboard(ClipboardItem::new_string(
3244 relative_path.display(path_style).to_string(),
3245 ));
3246 }),
3247 )
3248 })
3249 .map(pin_tab_entries)
3250 .separator()
3251 .when(visible_in_project_panel, |menu| {
3252 menu.entry(
3253 "Reveal In Project Panel",
3254 Some(Box::new(RevealInProjectPanel::default())),
3255 window.handler_for(&pane, move |pane, _, cx| {
3256 pane.project
3257 .update(cx, |_, cx| {
3258 cx.emit(project::Event::RevealInProjectPanel(
3259 ProjectEntryId::from_proto(entry_id),
3260 ))
3261 })
3262 .ok();
3263 }),
3264 )
3265 })
3266 .when_some(parent_abs_path, |menu, parent_abs_path| {
3267 menu.entry(
3268 "Open in Terminal",
3269 Some(Box::new(OpenInTerminal)),
3270 window.handler_for(&pane, move |_, window, cx| {
3271 window.dispatch_action(
3272 OpenTerminal {
3273 working_directory: parent_abs_path.clone(),
3274 local: false,
3275 }
3276 .boxed_clone(),
3277 cx,
3278 );
3279 }),
3280 )
3281 });
3282 } else {
3283 menu = menu.map(pin_tab_entries);
3284 }
3285 };
3286
3287 // Add custom item-specific actions
3288 if !extra_actions.is_empty() {
3289 menu = menu.separator();
3290 for (label, action) in extra_actions {
3291 menu = menu.action(label, action);
3292 }
3293 }
3294
3295 menu.context(menu_context)
3296 })
3297 })
3298 }
3299
3300 fn render_tab_bar(&mut self, window: &mut Window, cx: &mut Context<Pane>) -> AnyElement {
3301 if self.workspace.upgrade().is_none() {
3302 return gpui::Empty.into_any();
3303 }
3304
3305 let focus_handle = self.focus_handle.clone();
3306
3307 let navigate_backward = IconButton::new("navigate_backward", IconName::ArrowLeft)
3308 .icon_size(IconSize::Small)
3309 .on_click({
3310 let entity = cx.entity();
3311 move |_, window, cx| {
3312 entity.update(cx, |pane, cx| {
3313 pane.navigate_backward(&Default::default(), window, cx)
3314 })
3315 }
3316 })
3317 .disabled(!self.can_navigate_backward())
3318 .tooltip({
3319 let focus_handle = focus_handle.clone();
3320 move |window, cx| {
3321 Tooltip::for_action_in(
3322 "Go Back",
3323 &GoBack,
3324 &window.focused(cx).unwrap_or_else(|| focus_handle.clone()),
3325 cx,
3326 )
3327 }
3328 });
3329
3330 let navigate_forward = IconButton::new("navigate_forward", IconName::ArrowRight)
3331 .icon_size(IconSize::Small)
3332 .on_click({
3333 let entity = cx.entity();
3334 move |_, window, cx| {
3335 entity.update(cx, |pane, cx| {
3336 pane.navigate_forward(&Default::default(), window, cx)
3337 })
3338 }
3339 })
3340 .disabled(!self.can_navigate_forward())
3341 .tooltip({
3342 let focus_handle = focus_handle.clone();
3343 move |window, cx| {
3344 Tooltip::for_action_in(
3345 "Go Forward",
3346 &GoForward,
3347 &window.focused(cx).unwrap_or_else(|| focus_handle.clone()),
3348 cx,
3349 )
3350 }
3351 });
3352
3353 let mut tab_items = self
3354 .items
3355 .iter()
3356 .enumerate()
3357 .zip(tab_details(&self.items, window, cx))
3358 .map(|((ix, item), detail)| {
3359 self.render_tab(ix, &**item, detail, &focus_handle, window, cx)
3360 .into_any_element()
3361 })
3362 .collect::<Vec<_>>();
3363 let tab_count = tab_items.len();
3364 if self.is_tab_pinned(tab_count) {
3365 log::warn!(
3366 "Pinned tab count ({}) exceeds actual tab count ({}). \
3367 This should not happen. If possible, add reproduction steps, \
3368 in a comment, to https://github.com/zed-industries/zed/issues/33342",
3369 self.pinned_tab_count,
3370 tab_count
3371 );
3372 self.pinned_tab_count = tab_count;
3373 }
3374 let unpinned_tabs = tab_items.split_off(self.pinned_tab_count);
3375 let pinned_tabs = tab_items;
3376
3377 let tab_bar_settings = TabBarSettings::get_global(cx);
3378 let use_separate_rows = tab_bar_settings.show_pinned_tabs_in_separate_row;
3379
3380 if use_separate_rows && !pinned_tabs.is_empty() && !unpinned_tabs.is_empty() {
3381 self.render_two_row_tab_bar(
3382 pinned_tabs,
3383 unpinned_tabs,
3384 tab_count,
3385 navigate_backward,
3386 navigate_forward,
3387 window,
3388 cx,
3389 )
3390 } else {
3391 self.render_single_row_tab_bar(
3392 pinned_tabs,
3393 unpinned_tabs,
3394 tab_count,
3395 navigate_backward,
3396 navigate_forward,
3397 window,
3398 cx,
3399 )
3400 }
3401 }
3402
3403 fn configure_tab_bar_start(
3404 &mut self,
3405 tab_bar: TabBar,
3406 navigate_backward: IconButton,
3407 navigate_forward: IconButton,
3408 window: &mut Window,
3409 cx: &mut Context<Pane>,
3410 ) -> TabBar {
3411 tab_bar
3412 .when(
3413 self.display_nav_history_buttons.unwrap_or_default(),
3414 |tab_bar| {
3415 tab_bar
3416 .start_child(navigate_backward)
3417 .start_child(navigate_forward)
3418 },
3419 )
3420 .map(|tab_bar| {
3421 if self.show_tab_bar_buttons {
3422 let render_tab_buttons = self.render_tab_bar_buttons.clone();
3423 let (left_children, right_children) = render_tab_buttons(self, window, cx);
3424 tab_bar
3425 .start_children(left_children)
3426 .end_children(right_children)
3427 } else {
3428 tab_bar
3429 }
3430 })
3431 }
3432
3433 fn render_single_row_tab_bar(
3434 &mut self,
3435 pinned_tabs: Vec<AnyElement>,
3436 unpinned_tabs: Vec<AnyElement>,
3437 tab_count: usize,
3438 navigate_backward: IconButton,
3439 navigate_forward: IconButton,
3440 window: &mut Window,
3441 cx: &mut Context<Pane>,
3442 ) -> AnyElement {
3443 let tab_bar = self
3444 .configure_tab_bar_start(
3445 TabBar::new("tab_bar"),
3446 navigate_backward,
3447 navigate_forward,
3448 window,
3449 cx,
3450 )
3451 .children(pinned_tabs.len().ne(&0).then(|| {
3452 let max_scroll = self.tab_bar_scroll_handle.max_offset().width;
3453 // We need to check both because offset returns delta values even when the scroll handle is not scrollable
3454 let is_scrolled = self.tab_bar_scroll_handle.offset().x < px(0.);
3455 // Avoid flickering when max_offset is very small (< 2px).
3456 // The border adds 1-2px which can push max_offset back to 0, creating a loop.
3457 let is_scrollable = max_scroll > px(2.0);
3458 let has_active_unpinned_tab = self.active_item_index >= self.pinned_tab_count;
3459 h_flex()
3460 .children(pinned_tabs)
3461 .when(is_scrollable && is_scrolled, |this| {
3462 this.when(has_active_unpinned_tab, |this| this.border_r_2())
3463 .when(!has_active_unpinned_tab, |this| this.border_r_1())
3464 .border_color(cx.theme().colors().border)
3465 })
3466 }))
3467 .child(self.render_unpinned_tabs_container(unpinned_tabs, tab_count, cx));
3468 tab_bar.into_any_element()
3469 }
3470
3471 fn render_two_row_tab_bar(
3472 &mut self,
3473 pinned_tabs: Vec<AnyElement>,
3474 unpinned_tabs: Vec<AnyElement>,
3475 tab_count: usize,
3476 navigate_backward: IconButton,
3477 navigate_forward: IconButton,
3478 window: &mut Window,
3479 cx: &mut Context<Pane>,
3480 ) -> AnyElement {
3481 let pinned_tab_bar = self
3482 .configure_tab_bar_start(
3483 TabBar::new("pinned_tab_bar"),
3484 navigate_backward,
3485 navigate_forward,
3486 window,
3487 cx,
3488 )
3489 .child(
3490 h_flex()
3491 .id("pinned_tabs_row")
3492 .debug_selector(|| "pinned_tabs_row".into())
3493 .overflow_x_scroll()
3494 .w_full()
3495 .children(pinned_tabs)
3496 .child(self.render_pinned_tab_bar_drop_target(cx)),
3497 );
3498 v_flex()
3499 .w_full()
3500 .flex_none()
3501 .child(pinned_tab_bar)
3502 .child(
3503 TabBar::new("unpinned_tab_bar").child(self.render_unpinned_tabs_container(
3504 unpinned_tabs,
3505 tab_count,
3506 cx,
3507 )),
3508 )
3509 .into_any_element()
3510 }
3511
3512 fn render_unpinned_tabs_container(
3513 &mut self,
3514 unpinned_tabs: Vec<AnyElement>,
3515 tab_count: usize,
3516 cx: &mut Context<Pane>,
3517 ) -> impl IntoElement {
3518 h_flex()
3519 .id("unpinned tabs")
3520 .overflow_x_scroll()
3521 .w_full()
3522 .track_scroll(&self.tab_bar_scroll_handle)
3523 .on_scroll_wheel(cx.listener(|this, _, _, _| {
3524 this.suppress_scroll = true;
3525 }))
3526 .children(unpinned_tabs)
3527 .child(self.render_tab_bar_drop_target(tab_count, cx))
3528 }
3529
3530 fn render_tab_bar_drop_target(
3531 &self,
3532 tab_count: usize,
3533 cx: &mut Context<Pane>,
3534 ) -> impl IntoElement {
3535 div()
3536 .id("tab_bar_drop_target")
3537 .min_w_6()
3538 .h(Tab::container_height(cx))
3539 .flex_grow()
3540 // HACK: This empty child is currently necessary to force the drop target to appear
3541 // despite us setting a min width above.
3542 .child("")
3543 .drag_over::<DraggedTab>(|bar, _, _, cx| {
3544 bar.bg(cx.theme().colors().drop_target_background)
3545 })
3546 .drag_over::<DraggedSelection>(|bar, _, _, cx| {
3547 bar.bg(cx.theme().colors().drop_target_background)
3548 })
3549 .on_drop(
3550 cx.listener(move |this, dragged_tab: &DraggedTab, window, cx| {
3551 this.drag_split_direction = None;
3552 this.handle_tab_drop(dragged_tab, this.items.len(), window, cx)
3553 }),
3554 )
3555 .on_drop(
3556 cx.listener(move |this, selection: &DraggedSelection, window, cx| {
3557 this.drag_split_direction = None;
3558 this.handle_project_entry_drop(
3559 &selection.active_selection.entry_id,
3560 Some(tab_count),
3561 window,
3562 cx,
3563 )
3564 }),
3565 )
3566 .on_drop(cx.listener(move |this, paths, window, cx| {
3567 this.drag_split_direction = None;
3568 this.handle_external_paths_drop(paths, window, cx)
3569 }))
3570 .on_click(cx.listener(move |this, event: &ClickEvent, window, cx| {
3571 if event.click_count() == 2 {
3572 window.dispatch_action(this.double_click_dispatch_action.boxed_clone(), cx);
3573 }
3574 }))
3575 }
3576
3577 fn render_pinned_tab_bar_drop_target(&self, cx: &mut Context<Pane>) -> impl IntoElement {
3578 div()
3579 .id("pinned_tabs_border")
3580 .debug_selector(|| "pinned_tabs_border".into())
3581 .min_w_6()
3582 .h(Tab::container_height(cx))
3583 .flex_grow()
3584 .border_l_1()
3585 .border_color(cx.theme().colors().border)
3586 // HACK: This empty child is currently necessary to force the drop target to appear
3587 // despite us setting a min width above.
3588 .child("")
3589 .drag_over::<DraggedTab>(|bar, _, _, cx| {
3590 bar.bg(cx.theme().colors().drop_target_background)
3591 })
3592 .drag_over::<DraggedSelection>(|bar, _, _, cx| {
3593 bar.bg(cx.theme().colors().drop_target_background)
3594 })
3595 .on_drop(
3596 cx.listener(move |this, dragged_tab: &DraggedTab, window, cx| {
3597 this.drag_split_direction = None;
3598 this.handle_pinned_tab_bar_drop(dragged_tab, window, cx)
3599 }),
3600 )
3601 .on_drop(
3602 cx.listener(move |this, selection: &DraggedSelection, window, cx| {
3603 this.drag_split_direction = None;
3604 this.handle_project_entry_drop(
3605 &selection.active_selection.entry_id,
3606 Some(this.pinned_tab_count),
3607 window,
3608 cx,
3609 )
3610 }),
3611 )
3612 .on_drop(cx.listener(move |this, paths, window, cx| {
3613 this.drag_split_direction = None;
3614 this.handle_external_paths_drop(paths, window, cx)
3615 }))
3616 }
3617
3618 pub fn render_menu_overlay(menu: &Entity<ContextMenu>) -> Div {
3619 div().absolute().bottom_0().right_0().size_0().child(
3620 deferred(anchored().anchor(Corner::TopRight).child(menu.clone())).with_priority(1),
3621 )
3622 }
3623
3624 pub fn set_zoomed(&mut self, zoomed: bool, cx: &mut Context<Self>) {
3625 self.zoomed = zoomed;
3626 cx.notify();
3627 }
3628
3629 pub fn is_zoomed(&self) -> bool {
3630 self.zoomed
3631 }
3632
3633 fn handle_drag_move<T: 'static>(
3634 &mut self,
3635 event: &DragMoveEvent<T>,
3636 window: &mut Window,
3637 cx: &mut Context<Self>,
3638 ) {
3639 let can_split_predicate = self.can_split_predicate.take();
3640 let can_split = match &can_split_predicate {
3641 Some(can_split_predicate) => {
3642 can_split_predicate(self, event.dragged_item(), window, cx)
3643 }
3644 None => false,
3645 };
3646 self.can_split_predicate = can_split_predicate;
3647 if !can_split {
3648 return;
3649 }
3650
3651 let rect = event.bounds.size;
3652
3653 let size = event.bounds.size.width.min(event.bounds.size.height)
3654 * WorkspaceSettings::get_global(cx).drop_target_size;
3655
3656 let relative_cursor = Point::new(
3657 event.event.position.x - event.bounds.left(),
3658 event.event.position.y - event.bounds.top(),
3659 );
3660
3661 let direction = if relative_cursor.x < size
3662 || relative_cursor.x > rect.width - size
3663 || relative_cursor.y < size
3664 || relative_cursor.y > rect.height - size
3665 {
3666 [
3667 SplitDirection::Up,
3668 SplitDirection::Right,
3669 SplitDirection::Down,
3670 SplitDirection::Left,
3671 ]
3672 .iter()
3673 .min_by_key(|side| match side {
3674 SplitDirection::Up => relative_cursor.y,
3675 SplitDirection::Right => rect.width - relative_cursor.x,
3676 SplitDirection::Down => rect.height - relative_cursor.y,
3677 SplitDirection::Left => relative_cursor.x,
3678 })
3679 .cloned()
3680 } else {
3681 None
3682 };
3683
3684 if direction != self.drag_split_direction {
3685 self.drag_split_direction = direction;
3686 }
3687 }
3688
3689 pub fn handle_tab_drop(
3690 &mut self,
3691 dragged_tab: &DraggedTab,
3692 ix: usize,
3693 window: &mut Window,
3694 cx: &mut Context<Self>,
3695 ) {
3696 if let Some(custom_drop_handle) = self.custom_drop_handle.clone()
3697 && let ControlFlow::Break(()) = custom_drop_handle(self, dragged_tab, window, cx)
3698 {
3699 return;
3700 }
3701 let mut to_pane = cx.entity();
3702 let split_direction = self.drag_split_direction;
3703 let item_id = dragged_tab.item.item_id();
3704 self.unpreview_item_if_preview(item_id);
3705
3706 let is_clone = cfg!(target_os = "macos") && window.modifiers().alt
3707 || cfg!(not(target_os = "macos")) && window.modifiers().control;
3708
3709 let from_pane = dragged_tab.pane.clone();
3710
3711 self.workspace
3712 .update(cx, |_, cx| {
3713 cx.defer_in(window, move |workspace, window, cx| {
3714 if let Some(split_direction) = split_direction {
3715 to_pane = workspace.split_pane(to_pane, split_direction, window, cx);
3716 }
3717 let database_id = workspace.database_id();
3718 let was_pinned_in_from_pane = from_pane.read_with(cx, |pane, _| {
3719 pane.index_for_item_id(item_id)
3720 .is_some_and(|ix| pane.is_tab_pinned(ix))
3721 });
3722 let to_pane_old_length = to_pane.read(cx).items.len();
3723 if is_clone {
3724 let Some(item) = from_pane
3725 .read(cx)
3726 .items()
3727 .find(|item| item.item_id() == item_id)
3728 .cloned()
3729 else {
3730 return;
3731 };
3732 if item.can_split(cx) {
3733 let task = item.clone_on_split(database_id, window, cx);
3734 let to_pane = to_pane.downgrade();
3735 cx.spawn_in(window, async move |_, cx| {
3736 if let Some(item) = task.await {
3737 to_pane
3738 .update_in(cx, |pane, window, cx| {
3739 pane.add_item(item, true, true, None, window, cx)
3740 })
3741 .ok();
3742 }
3743 })
3744 .detach();
3745 } else {
3746 move_item(&from_pane, &to_pane, item_id, ix, true, window, cx);
3747 }
3748 } else {
3749 move_item(&from_pane, &to_pane, item_id, ix, true, window, cx);
3750 }
3751 to_pane.update(cx, |this, _| {
3752 if to_pane == from_pane {
3753 let actual_ix = this
3754 .items
3755 .iter()
3756 .position(|item| item.item_id() == item_id)
3757 .unwrap_or(0);
3758
3759 let is_pinned_in_to_pane = this.is_tab_pinned(actual_ix);
3760
3761 if !was_pinned_in_from_pane && is_pinned_in_to_pane {
3762 this.pinned_tab_count += 1;
3763 } else if was_pinned_in_from_pane && !is_pinned_in_to_pane {
3764 this.pinned_tab_count -= 1;
3765 }
3766 } else if this.items.len() >= to_pane_old_length {
3767 let is_pinned_in_to_pane = this.is_tab_pinned(ix);
3768 let item_created_pane = to_pane_old_length == 0;
3769 let is_first_position = ix == 0;
3770 let was_dropped_at_beginning = item_created_pane || is_first_position;
3771 let should_remain_pinned = is_pinned_in_to_pane
3772 || (was_pinned_in_from_pane && was_dropped_at_beginning);
3773
3774 if should_remain_pinned {
3775 this.pinned_tab_count += 1;
3776 }
3777 }
3778 });
3779 });
3780 })
3781 .log_err();
3782 }
3783
3784 fn handle_pinned_tab_bar_drop(
3785 &mut self,
3786 dragged_tab: &DraggedTab,
3787 window: &mut Window,
3788 cx: &mut Context<Self>,
3789 ) {
3790 let item_id = dragged_tab.item.item_id();
3791 let pinned_count = self.pinned_tab_count;
3792
3793 self.handle_tab_drop(dragged_tab, pinned_count, window, cx);
3794
3795 let to_pane = cx.entity();
3796
3797 self.workspace
3798 .update(cx, |_, cx| {
3799 cx.defer_in(window, move |_, _, cx| {
3800 to_pane.update(cx, |this, cx| {
3801 if let Some(actual_ix) = this.index_for_item_id(item_id) {
3802 // If the tab ended up at or after pinned_tab_count, it's not pinned
3803 // so we pin it now
3804 if actual_ix >= this.pinned_tab_count {
3805 let was_active = this.active_item_index == actual_ix;
3806 let destination_ix = this.pinned_tab_count;
3807
3808 // Move item to pinned area if needed
3809 if actual_ix != destination_ix {
3810 let item = this.items.remove(actual_ix);
3811 this.items.insert(destination_ix, item);
3812
3813 // Update active_item_index to follow the moved item
3814 if was_active {
3815 this.active_item_index = destination_ix;
3816 } else if this.active_item_index > actual_ix
3817 && this.active_item_index <= destination_ix
3818 {
3819 // Item moved left past the active item
3820 this.active_item_index -= 1;
3821 } else if this.active_item_index >= destination_ix
3822 && this.active_item_index < actual_ix
3823 {
3824 // Item moved right past the active item
3825 this.active_item_index += 1;
3826 }
3827 }
3828 this.pinned_tab_count += 1;
3829 cx.notify();
3830 }
3831 }
3832 });
3833 });
3834 })
3835 .log_err();
3836 }
3837
3838 fn handle_dragged_selection_drop(
3839 &mut self,
3840 dragged_selection: &DraggedSelection,
3841 dragged_onto: Option<usize>,
3842 window: &mut Window,
3843 cx: &mut Context<Self>,
3844 ) {
3845 if let Some(custom_drop_handle) = self.custom_drop_handle.clone()
3846 && let ControlFlow::Break(()) = custom_drop_handle(self, dragged_selection, window, cx)
3847 {
3848 return;
3849 }
3850 self.handle_project_entry_drop(
3851 &dragged_selection.active_selection.entry_id,
3852 dragged_onto,
3853 window,
3854 cx,
3855 );
3856 }
3857
3858 fn handle_project_entry_drop(
3859 &mut self,
3860 project_entry_id: &ProjectEntryId,
3861 target: Option<usize>,
3862 window: &mut Window,
3863 cx: &mut Context<Self>,
3864 ) {
3865 if let Some(custom_drop_handle) = self.custom_drop_handle.clone()
3866 && let ControlFlow::Break(()) = custom_drop_handle(self, project_entry_id, window, cx)
3867 {
3868 return;
3869 }
3870 let mut to_pane = cx.entity();
3871 let split_direction = self.drag_split_direction;
3872 let project_entry_id = *project_entry_id;
3873 self.workspace
3874 .update(cx, |_, cx| {
3875 cx.defer_in(window, move |workspace, window, cx| {
3876 if let Some(project_path) = workspace
3877 .project()
3878 .read(cx)
3879 .path_for_entry(project_entry_id, cx)
3880 {
3881 let load_path_task = workspace.load_path(project_path.clone(), window, cx);
3882 cx.spawn_in(window, async move |workspace, mut cx| {
3883 if let Some((project_entry_id, build_item)) = load_path_task
3884 .await
3885 .notify_workspace_async_err(workspace.clone(), &mut cx)
3886 {
3887 let (to_pane, new_item_handle) = workspace
3888 .update_in(cx, |workspace, window, cx| {
3889 if let Some(split_direction) = split_direction {
3890 to_pane = workspace.split_pane(
3891 to_pane,
3892 split_direction,
3893 window,
3894 cx,
3895 );
3896 }
3897 let new_item_handle = to_pane.update(cx, |pane, cx| {
3898 pane.open_item(
3899 project_entry_id,
3900 project_path,
3901 true,
3902 false,
3903 true,
3904 target,
3905 window,
3906 cx,
3907 build_item,
3908 )
3909 });
3910 (to_pane, new_item_handle)
3911 })
3912 .log_err()?;
3913 to_pane
3914 .update_in(cx, |this, window, cx| {
3915 let Some(index) = this.index_for_item(&*new_item_handle)
3916 else {
3917 return;
3918 };
3919
3920 if target.is_some_and(|target| this.is_tab_pinned(target)) {
3921 this.pin_tab_at(index, window, cx);
3922 }
3923 })
3924 .ok()?
3925 }
3926 Some(())
3927 })
3928 .detach();
3929 };
3930 });
3931 })
3932 .log_err();
3933 }
3934
3935 fn handle_external_paths_drop(
3936 &mut self,
3937 paths: &ExternalPaths,
3938 window: &mut Window,
3939 cx: &mut Context<Self>,
3940 ) {
3941 if let Some(custom_drop_handle) = self.custom_drop_handle.clone()
3942 && let ControlFlow::Break(()) = custom_drop_handle(self, paths, window, cx)
3943 {
3944 return;
3945 }
3946 let mut to_pane = cx.entity();
3947 let mut split_direction = self.drag_split_direction;
3948 let paths = paths.paths().to_vec();
3949 let is_remote = self
3950 .workspace
3951 .update(cx, |workspace, cx| {
3952 if workspace.project().read(cx).is_via_collab() {
3953 workspace.show_error(
3954 &anyhow::anyhow!("Cannot drop files on a remote project"),
3955 cx,
3956 );
3957 true
3958 } else {
3959 false
3960 }
3961 })
3962 .unwrap_or(true);
3963 if is_remote {
3964 return;
3965 }
3966
3967 self.workspace
3968 .update(cx, |workspace, cx| {
3969 let fs = Arc::clone(workspace.project().read(cx).fs());
3970 cx.spawn_in(window, async move |workspace, cx| {
3971 let mut is_file_checks = FuturesUnordered::new();
3972 for path in &paths {
3973 is_file_checks.push(fs.is_file(path))
3974 }
3975 let mut has_files_to_open = false;
3976 while let Some(is_file) = is_file_checks.next().await {
3977 if is_file {
3978 has_files_to_open = true;
3979 break;
3980 }
3981 }
3982 drop(is_file_checks);
3983 if !has_files_to_open {
3984 split_direction = None;
3985 }
3986
3987 if let Ok((open_task, to_pane)) =
3988 workspace.update_in(cx, |workspace, window, cx| {
3989 if let Some(split_direction) = split_direction {
3990 to_pane =
3991 workspace.split_pane(to_pane, split_direction, window, cx);
3992 }
3993 (
3994 workspace.open_paths(
3995 paths,
3996 OpenOptions {
3997 visible: Some(OpenVisible::OnlyDirectories),
3998 ..Default::default()
3999 },
4000 Some(to_pane.downgrade()),
4001 window,
4002 cx,
4003 ),
4004 to_pane,
4005 )
4006 })
4007 {
4008 let opened_items: Vec<_> = open_task.await;
4009 _ = workspace.update_in(cx, |workspace, window, cx| {
4010 for item in opened_items.into_iter().flatten() {
4011 if let Err(e) = item {
4012 workspace.show_error(&e, cx);
4013 }
4014 }
4015 if to_pane.read(cx).items_len() == 0 {
4016 workspace.remove_pane(to_pane, None, window, cx);
4017 }
4018 });
4019 }
4020 })
4021 .detach();
4022 })
4023 .log_err();
4024 }
4025
4026 pub fn display_nav_history_buttons(&mut self, display: Option<bool>) {
4027 self.display_nav_history_buttons = display;
4028 }
4029
4030 fn pinned_item_ids(&self) -> Vec<EntityId> {
4031 self.items
4032 .iter()
4033 .enumerate()
4034 .filter_map(|(index, item)| {
4035 if self.is_tab_pinned(index) {
4036 return Some(item.item_id());
4037 }
4038
4039 None
4040 })
4041 .collect()
4042 }
4043
4044 fn clean_item_ids(&self, cx: &mut Context<Pane>) -> Vec<EntityId> {
4045 self.items()
4046 .filter_map(|item| {
4047 if !item.is_dirty(cx) {
4048 return Some(item.item_id());
4049 }
4050
4051 None
4052 })
4053 .collect()
4054 }
4055
4056 fn to_the_side_item_ids(&self, item_id: EntityId, side: Side) -> Vec<EntityId> {
4057 match side {
4058 Side::Left => self
4059 .items()
4060 .take_while(|item| item.item_id() != item_id)
4061 .map(|item| item.item_id())
4062 .collect(),
4063 Side::Right => self
4064 .items()
4065 .rev()
4066 .take_while(|item| item.item_id() != item_id)
4067 .map(|item| item.item_id())
4068 .collect(),
4069 }
4070 }
4071
4072 fn multibuffer_item_ids(&self, cx: &mut Context<Pane>) -> Vec<EntityId> {
4073 self.items()
4074 .filter(|item| item.buffer_kind(cx) == ItemBufferKind::Multibuffer)
4075 .map(|item| item.item_id())
4076 .collect()
4077 }
4078
4079 pub fn drag_split_direction(&self) -> Option<SplitDirection> {
4080 self.drag_split_direction
4081 }
4082
4083 pub fn set_zoom_out_on_close(&mut self, zoom_out_on_close: bool) {
4084 self.zoom_out_on_close = zoom_out_on_close;
4085 }
4086}
4087
4088fn default_render_tab_bar_buttons(
4089 pane: &mut Pane,
4090 window: &mut Window,
4091 cx: &mut Context<Pane>,
4092) -> (Option<AnyElement>, Option<AnyElement>) {
4093 if !pane.has_focus(window, cx) && !pane.context_menu_focused(window, cx) {
4094 return (None, None);
4095 }
4096 let (can_clone, can_split_move) = match pane.active_item() {
4097 Some(active_item) if active_item.can_split(cx) => (true, false),
4098 Some(_) => (false, pane.items_len() > 1),
4099 None => (false, false),
4100 };
4101 // Ideally we would return a vec of elements here to pass directly to the [TabBar]'s
4102 // `end_slot`, but due to needing a view here that isn't possible.
4103 let right_children = h_flex()
4104 // Instead we need to replicate the spacing from the [TabBar]'s `end_slot` here.
4105 .gap(DynamicSpacing::Base04.rems(cx))
4106 .child(
4107 PopoverMenu::new("pane-tab-bar-popover-menu")
4108 .trigger_with_tooltip(
4109 IconButton::new("plus", IconName::Plus).icon_size(IconSize::Small),
4110 Tooltip::text("New..."),
4111 )
4112 .anchor(Corner::TopRight)
4113 .with_handle(pane.new_item_context_menu_handle.clone())
4114 .menu(move |window, cx| {
4115 Some(ContextMenu::build(window, cx, |menu, _, _| {
4116 menu.action("New File", NewFile.boxed_clone())
4117 .action("Open File", ToggleFileFinder::default().boxed_clone())
4118 .separator()
4119 .action(
4120 "Search Project",
4121 DeploySearch {
4122 replace_enabled: false,
4123 included_files: None,
4124 excluded_files: None,
4125 }
4126 .boxed_clone(),
4127 )
4128 .action("Search Symbols", ToggleProjectSymbols.boxed_clone())
4129 .separator()
4130 .action("New Terminal", NewTerminal::default().boxed_clone())
4131 }))
4132 }),
4133 )
4134 .child(
4135 PopoverMenu::new("pane-tab-bar-split")
4136 .trigger_with_tooltip(
4137 IconButton::new("split", IconName::Split)
4138 .icon_size(IconSize::Small)
4139 .disabled(!can_clone && !can_split_move),
4140 Tooltip::text("Split Pane"),
4141 )
4142 .anchor(Corner::TopRight)
4143 .with_handle(pane.split_item_context_menu_handle.clone())
4144 .menu(move |window, cx| {
4145 ContextMenu::build(window, cx, |menu, _, _| {
4146 let mode = SplitMode::MovePane;
4147 if can_split_move {
4148 menu.action("Split Right", SplitRight { mode }.boxed_clone())
4149 .action("Split Left", SplitLeft { mode }.boxed_clone())
4150 .action("Split Up", SplitUp { mode }.boxed_clone())
4151 .action("Split Down", SplitDown { mode }.boxed_clone())
4152 } else {
4153 menu.action("Split Right", SplitRight::default().boxed_clone())
4154 .action("Split Left", SplitLeft::default().boxed_clone())
4155 .action("Split Up", SplitUp::default().boxed_clone())
4156 .action("Split Down", SplitDown::default().boxed_clone())
4157 }
4158 })
4159 .into()
4160 }),
4161 )
4162 .child({
4163 let zoomed = pane.is_zoomed();
4164 IconButton::new("toggle_zoom", IconName::Maximize)
4165 .icon_size(IconSize::Small)
4166 .toggle_state(zoomed)
4167 .selected_icon(IconName::Minimize)
4168 .on_click(cx.listener(|pane, _, window, cx| {
4169 pane.toggle_zoom(&crate::ToggleZoom, window, cx);
4170 }))
4171 .tooltip(move |_window, cx| {
4172 Tooltip::for_action(
4173 if zoomed { "Zoom Out" } else { "Zoom In" },
4174 &ToggleZoom,
4175 cx,
4176 )
4177 })
4178 })
4179 .into_any_element()
4180 .into();
4181 (None, right_children)
4182}
4183
4184impl Focusable for Pane {
4185 fn focus_handle(&self, _cx: &App) -> FocusHandle {
4186 self.focus_handle.clone()
4187 }
4188}
4189
4190impl Render for Pane {
4191 fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
4192 let mut key_context = KeyContext::new_with_defaults();
4193 key_context.add("Pane");
4194 if self.active_item().is_none() {
4195 key_context.add("EmptyPane");
4196 }
4197
4198 self.toolbar
4199 .read(cx)
4200 .contribute_context(&mut key_context, cx);
4201
4202 let should_display_tab_bar = self.should_display_tab_bar.clone();
4203 let display_tab_bar = should_display_tab_bar(window, cx);
4204 let Some(project) = self.project.upgrade() else {
4205 return div().track_focus(&self.focus_handle(cx));
4206 };
4207 let is_local = project.read(cx).is_local();
4208
4209 v_flex()
4210 .key_context(key_context)
4211 .track_focus(&self.focus_handle(cx))
4212 .size_full()
4213 .flex_none()
4214 .overflow_hidden()
4215 .on_action(cx.listener(|pane, split: &SplitLeft, window, cx| {
4216 pane.split(SplitDirection::Left, split.mode, window, cx)
4217 }))
4218 .on_action(cx.listener(|pane, split: &SplitUp, window, cx| {
4219 pane.split(SplitDirection::Up, split.mode, window, cx)
4220 }))
4221 .on_action(cx.listener(|pane, split: &SplitHorizontal, window, cx| {
4222 pane.split(SplitDirection::horizontal(cx), split.mode, window, cx)
4223 }))
4224 .on_action(cx.listener(|pane, split: &SplitVertical, window, cx| {
4225 pane.split(SplitDirection::vertical(cx), split.mode, window, cx)
4226 }))
4227 .on_action(cx.listener(|pane, split: &SplitRight, window, cx| {
4228 pane.split(SplitDirection::Right, split.mode, window, cx)
4229 }))
4230 .on_action(cx.listener(|pane, split: &SplitDown, window, cx| {
4231 pane.split(SplitDirection::Down, split.mode, window, cx)
4232 }))
4233 .on_action(cx.listener(|pane, _: &SplitAndMoveUp, window, cx| {
4234 pane.split(SplitDirection::Up, SplitMode::MovePane, window, cx)
4235 }))
4236 .on_action(cx.listener(|pane, _: &SplitAndMoveDown, window, cx| {
4237 pane.split(SplitDirection::Down, SplitMode::MovePane, window, cx)
4238 }))
4239 .on_action(cx.listener(|pane, _: &SplitAndMoveLeft, window, cx| {
4240 pane.split(SplitDirection::Left, SplitMode::MovePane, window, cx)
4241 }))
4242 .on_action(cx.listener(|pane, _: &SplitAndMoveRight, window, cx| {
4243 pane.split(SplitDirection::Right, SplitMode::MovePane, window, cx)
4244 }))
4245 .on_action(cx.listener(|_, _: &JoinIntoNext, _, cx| {
4246 cx.emit(Event::JoinIntoNext);
4247 }))
4248 .on_action(cx.listener(|_, _: &JoinAll, _, cx| {
4249 cx.emit(Event::JoinAll);
4250 }))
4251 .on_action(cx.listener(Pane::toggle_zoom))
4252 .on_action(cx.listener(Pane::zoom_in))
4253 .on_action(cx.listener(Pane::zoom_out))
4254 .on_action(cx.listener(Self::navigate_backward))
4255 .on_action(cx.listener(Self::navigate_forward))
4256 .on_action(cx.listener(Self::go_to_older_tag))
4257 .on_action(cx.listener(Self::go_to_newer_tag))
4258 .on_action(
4259 cx.listener(|pane: &mut Pane, action: &ActivateItem, window, cx| {
4260 pane.activate_item(
4261 action.0.min(pane.items.len().saturating_sub(1)),
4262 true,
4263 true,
4264 window,
4265 cx,
4266 );
4267 }),
4268 )
4269 .on_action(cx.listener(Self::alternate_file))
4270 .on_action(cx.listener(Self::activate_last_item))
4271 .on_action(cx.listener(Self::activate_previous_item))
4272 .on_action(cx.listener(Self::activate_next_item))
4273 .on_action(cx.listener(Self::swap_item_left))
4274 .on_action(cx.listener(Self::swap_item_right))
4275 .on_action(cx.listener(Self::toggle_pin_tab))
4276 .on_action(cx.listener(Self::unpin_all_tabs))
4277 .when(PreviewTabsSettings::get_global(cx).enabled, |this| {
4278 this.on_action(
4279 cx.listener(|pane: &mut Pane, _: &TogglePreviewTab, window, cx| {
4280 if let Some(active_item_id) = pane.active_item().map(|i| i.item_id()) {
4281 if pane.is_active_preview_item(active_item_id) {
4282 pane.unpreview_item_if_preview(active_item_id);
4283 } else {
4284 pane.replace_preview_item_id(active_item_id, window, cx);
4285 }
4286 }
4287 }),
4288 )
4289 })
4290 .on_action(
4291 cx.listener(|pane: &mut Self, action: &CloseActiveItem, window, cx| {
4292 pane.close_active_item(action, window, cx)
4293 .detach_and_log_err(cx)
4294 }),
4295 )
4296 .on_action(
4297 cx.listener(|pane: &mut Self, action: &CloseOtherItems, window, cx| {
4298 pane.close_other_items(action, None, window, cx)
4299 .detach_and_log_err(cx);
4300 }),
4301 )
4302 .on_action(
4303 cx.listener(|pane: &mut Self, action: &CloseCleanItems, window, cx| {
4304 pane.close_clean_items(action, window, cx)
4305 .detach_and_log_err(cx)
4306 }),
4307 )
4308 .on_action(cx.listener(
4309 |pane: &mut Self, action: &CloseItemsToTheLeft, window, cx| {
4310 pane.close_items_to_the_left_by_id(None, action, window, cx)
4311 .detach_and_log_err(cx)
4312 },
4313 ))
4314 .on_action(cx.listener(
4315 |pane: &mut Self, action: &CloseItemsToTheRight, window, cx| {
4316 pane.close_items_to_the_right_by_id(None, action, window, cx)
4317 .detach_and_log_err(cx)
4318 },
4319 ))
4320 .on_action(
4321 cx.listener(|pane: &mut Self, action: &CloseAllItems, window, cx| {
4322 pane.close_all_items(action, window, cx)
4323 .detach_and_log_err(cx)
4324 }),
4325 )
4326 .on_action(cx.listener(
4327 |pane: &mut Self, action: &CloseMultibufferItems, window, cx| {
4328 pane.close_multibuffer_items(action, window, cx)
4329 .detach_and_log_err(cx)
4330 },
4331 ))
4332 .on_action(
4333 cx.listener(|pane: &mut Self, action: &RevealInProjectPanel, _, cx| {
4334 let entry_id = action
4335 .entry_id
4336 .map(ProjectEntryId::from_proto)
4337 .or_else(|| pane.active_item()?.project_entry_ids(cx).first().copied());
4338 if let Some(entry_id) = entry_id {
4339 pane.project
4340 .update(cx, |_, cx| {
4341 cx.emit(project::Event::RevealInProjectPanel(entry_id))
4342 })
4343 .ok();
4344 }
4345 }),
4346 )
4347 .on_action(cx.listener(|_, _: &menu::Cancel, window, cx| {
4348 if cx.stop_active_drag(window) {
4349 } else {
4350 cx.propagate();
4351 }
4352 }))
4353 .when(self.active_item().is_some() && display_tab_bar, |pane| {
4354 pane.child((self.render_tab_bar.clone())(self, window, cx))
4355 })
4356 .child({
4357 let has_worktrees = project.read(cx).visible_worktrees(cx).next().is_some();
4358 // main content
4359 div()
4360 .flex_1()
4361 .relative()
4362 .group("")
4363 .overflow_hidden()
4364 .on_drag_move::<DraggedTab>(cx.listener(Self::handle_drag_move))
4365 .on_drag_move::<DraggedSelection>(cx.listener(Self::handle_drag_move))
4366 .when(is_local, |div| {
4367 div.on_drag_move::<ExternalPaths>(cx.listener(Self::handle_drag_move))
4368 })
4369 .map(|div| {
4370 if let Some(item) = self.active_item() {
4371 div.id("pane_placeholder")
4372 .v_flex()
4373 .size_full()
4374 .overflow_hidden()
4375 .child(self.toolbar.clone())
4376 .child(item.to_any_view())
4377 } else {
4378 let placeholder = div
4379 .id("pane_placeholder")
4380 .h_flex()
4381 .size_full()
4382 .justify_center()
4383 .on_click(cx.listener(
4384 move |this, event: &ClickEvent, window, cx| {
4385 if event.click_count() == 2 {
4386 window.dispatch_action(
4387 this.double_click_dispatch_action.boxed_clone(),
4388 cx,
4389 );
4390 }
4391 },
4392 ));
4393 if has_worktrees || !self.should_display_welcome_page {
4394 placeholder
4395 } else {
4396 if self.welcome_page.is_none() {
4397 let workspace = self.workspace.clone();
4398 self.welcome_page = Some(cx.new(|cx| {
4399 crate::welcome::WelcomePage::new(
4400 workspace, true, window, cx,
4401 )
4402 }));
4403 }
4404 placeholder.child(self.welcome_page.clone().unwrap())
4405 }
4406 }
4407 })
4408 .child(
4409 // drag target
4410 div()
4411 .invisible()
4412 .absolute()
4413 .bg(cx.theme().colors().drop_target_background)
4414 .group_drag_over::<DraggedTab>("", |style| style.visible())
4415 .group_drag_over::<DraggedSelection>("", |style| style.visible())
4416 .when(is_local, |div| {
4417 div.group_drag_over::<ExternalPaths>("", |style| style.visible())
4418 })
4419 .when_some(self.can_drop_predicate.clone(), |this, p| {
4420 this.can_drop(move |a, window, cx| p(a, window, cx))
4421 })
4422 .on_drop(cx.listener(move |this, dragged_tab, window, cx| {
4423 this.handle_tab_drop(
4424 dragged_tab,
4425 this.active_item_index(),
4426 window,
4427 cx,
4428 )
4429 }))
4430 .on_drop(cx.listener(
4431 move |this, selection: &DraggedSelection, window, cx| {
4432 this.handle_dragged_selection_drop(selection, None, window, cx)
4433 },
4434 ))
4435 .on_drop(cx.listener(move |this, paths, window, cx| {
4436 this.handle_external_paths_drop(paths, window, cx)
4437 }))
4438 .map(|div| {
4439 let size = DefiniteLength::Fraction(0.5);
4440 match self.drag_split_direction {
4441 None => div.top_0().right_0().bottom_0().left_0(),
4442 Some(SplitDirection::Up) => {
4443 div.top_0().left_0().right_0().h(size)
4444 }
4445 Some(SplitDirection::Down) => {
4446 div.left_0().bottom_0().right_0().h(size)
4447 }
4448 Some(SplitDirection::Left) => {
4449 div.top_0().left_0().bottom_0().w(size)
4450 }
4451 Some(SplitDirection::Right) => {
4452 div.top_0().bottom_0().right_0().w(size)
4453 }
4454 }
4455 }),
4456 )
4457 })
4458 .on_mouse_down(
4459 MouseButton::Navigate(NavigationDirection::Back),
4460 cx.listener(|pane, _, window, cx| {
4461 if let Some(workspace) = pane.workspace.upgrade() {
4462 let pane = cx.entity().downgrade();
4463 window.defer(cx, move |window, cx| {
4464 workspace.update(cx, |workspace, cx| {
4465 workspace.go_back(pane, window, cx).detach_and_log_err(cx)
4466 })
4467 })
4468 }
4469 }),
4470 )
4471 .on_mouse_down(
4472 MouseButton::Navigate(NavigationDirection::Forward),
4473 cx.listener(|pane, _, window, cx| {
4474 if let Some(workspace) = pane.workspace.upgrade() {
4475 let pane = cx.entity().downgrade();
4476 window.defer(cx, move |window, cx| {
4477 workspace.update(cx, |workspace, cx| {
4478 workspace
4479 .go_forward(pane, window, cx)
4480 .detach_and_log_err(cx)
4481 })
4482 })
4483 }
4484 }),
4485 )
4486 }
4487}
4488
4489impl ItemNavHistory {
4490 pub fn push<D: 'static + Any + Send + Sync>(&mut self, data: Option<D>, cx: &mut App) {
4491 if self
4492 .item
4493 .upgrade()
4494 .is_some_and(|item| item.include_in_nav_history())
4495 {
4496 let is_preview_item = self.history.0.lock().preview_item_id == Some(self.item.id());
4497 self.history
4498 .push(data, self.item.clone(), is_preview_item, cx);
4499 }
4500 }
4501
4502 pub fn navigation_entry(&self, data: Option<Arc<dyn Any + Send + Sync>>) -> NavigationEntry {
4503 let is_preview_item = self.history.0.lock().preview_item_id == Some(self.item.id());
4504 NavigationEntry {
4505 item: self.item.clone(),
4506 data: data,
4507 timestamp: 0, // not used
4508 is_preview: is_preview_item,
4509 }
4510 }
4511
4512 pub fn push_tag(&mut self, origin: Option<NavigationEntry>, target: Option<NavigationEntry>) {
4513 if let (Some(origin_entry), Some(target_entry)) = (origin, target) {
4514 self.history.push_tag(origin_entry, target_entry);
4515 }
4516 }
4517
4518 pub fn pop_backward(&mut self, cx: &mut App) -> Option<NavigationEntry> {
4519 self.history.pop(NavigationMode::GoingBack, cx)
4520 }
4521
4522 pub fn pop_forward(&mut self, cx: &mut App) -> Option<NavigationEntry> {
4523 self.history.pop(NavigationMode::GoingForward, cx)
4524 }
4525}
4526
4527impl NavHistory {
4528 pub fn for_each_entry(
4529 &self,
4530 cx: &App,
4531 f: &mut dyn FnMut(&NavigationEntry, (ProjectPath, Option<PathBuf>)),
4532 ) {
4533 let borrowed_history = self.0.lock();
4534 borrowed_history
4535 .forward_stack
4536 .iter()
4537 .chain(borrowed_history.backward_stack.iter())
4538 .chain(borrowed_history.closed_stack.iter())
4539 .for_each(|entry| {
4540 if let Some(project_and_abs_path) =
4541 borrowed_history.paths_by_item.get(&entry.item.id())
4542 {
4543 f(entry, project_and_abs_path.clone());
4544 } else if let Some(item) = entry.item.upgrade()
4545 && let Some(path) = item.project_path(cx)
4546 {
4547 f(entry, (path, None));
4548 }
4549 })
4550 }
4551
4552 pub fn set_mode(&mut self, mode: NavigationMode) {
4553 self.0.lock().mode = mode;
4554 }
4555
4556 pub fn mode(&self) -> NavigationMode {
4557 self.0.lock().mode
4558 }
4559
4560 pub fn disable(&mut self) {
4561 self.0.lock().mode = NavigationMode::Disabled;
4562 }
4563
4564 pub fn enable(&mut self) {
4565 self.0.lock().mode = NavigationMode::Normal;
4566 }
4567
4568 pub fn clear(&mut self, cx: &mut App) {
4569 let mut state = self.0.lock();
4570
4571 if state.backward_stack.is_empty()
4572 && state.forward_stack.is_empty()
4573 && state.closed_stack.is_empty()
4574 && state.paths_by_item.is_empty()
4575 && state.tag_stack.is_empty()
4576 {
4577 return;
4578 }
4579
4580 state.mode = NavigationMode::Normal;
4581 state.backward_stack.clear();
4582 state.forward_stack.clear();
4583 state.closed_stack.clear();
4584 state.paths_by_item.clear();
4585 state.tag_stack.clear();
4586 state.tag_stack_pos = 0;
4587 state.did_update(cx);
4588 }
4589
4590 pub fn pop(&mut self, mode: NavigationMode, cx: &mut App) -> Option<NavigationEntry> {
4591 let mut state = self.0.lock();
4592 let entry = match mode {
4593 NavigationMode::Normal | NavigationMode::Disabled | NavigationMode::ClosingItem => {
4594 return None;
4595 }
4596 NavigationMode::GoingBack => &mut state.backward_stack,
4597 NavigationMode::GoingForward => &mut state.forward_stack,
4598 NavigationMode::ReopeningClosedItem => &mut state.closed_stack,
4599 }
4600 .pop_back();
4601 if entry.is_some() {
4602 state.did_update(cx);
4603 }
4604 entry
4605 }
4606
4607 pub fn push<D: 'static + Any + Send + Sync>(
4608 &mut self,
4609 data: Option<D>,
4610 item: Arc<dyn WeakItemHandle + Send + Sync>,
4611 is_preview: bool,
4612 cx: &mut App,
4613 ) {
4614 let state = &mut *self.0.lock();
4615 match state.mode {
4616 NavigationMode::Disabled => {}
4617 NavigationMode::Normal | NavigationMode::ReopeningClosedItem => {
4618 if state.backward_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
4619 state.backward_stack.pop_front();
4620 }
4621 state.backward_stack.push_back(NavigationEntry {
4622 item,
4623 data: data.map(|data| Arc::new(data) as Arc<dyn Any + Send + Sync>),
4624 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
4625 is_preview,
4626 });
4627 state.forward_stack.clear();
4628 }
4629 NavigationMode::GoingBack => {
4630 if state.forward_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
4631 state.forward_stack.pop_front();
4632 }
4633 state.forward_stack.push_back(NavigationEntry {
4634 item,
4635 data: data.map(|data| Arc::new(data) as Arc<dyn Any + Send + Sync>),
4636 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
4637 is_preview,
4638 });
4639 }
4640 NavigationMode::GoingForward => {
4641 if state.backward_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
4642 state.backward_stack.pop_front();
4643 }
4644 state.backward_stack.push_back(NavigationEntry {
4645 item,
4646 data: data.map(|data| Arc::new(data) as Arc<dyn Any + Send + Sync>),
4647 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
4648 is_preview,
4649 });
4650 }
4651 NavigationMode::ClosingItem if is_preview => return,
4652 NavigationMode::ClosingItem => {
4653 if state.closed_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
4654 state.closed_stack.pop_front();
4655 }
4656 state.closed_stack.push_back(NavigationEntry {
4657 item,
4658 data: data.map(|data| Arc::new(data) as Arc<dyn Any + Send + Sync>),
4659 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
4660 is_preview,
4661 });
4662 }
4663 }
4664 state.did_update(cx);
4665 }
4666
4667 pub fn remove_item(&mut self, item_id: EntityId) {
4668 let mut state = self.0.lock();
4669 state.paths_by_item.remove(&item_id);
4670 state
4671 .backward_stack
4672 .retain(|entry| entry.item.id() != item_id);
4673 state
4674 .forward_stack
4675 .retain(|entry| entry.item.id() != item_id);
4676 state
4677 .closed_stack
4678 .retain(|entry| entry.item.id() != item_id);
4679 state
4680 .tag_stack
4681 .retain(|entry| entry.origin.item.id() != item_id && entry.target.item.id() != item_id);
4682 }
4683
4684 pub fn rename_item(
4685 &mut self,
4686 item_id: EntityId,
4687 project_path: ProjectPath,
4688 abs_path: Option<PathBuf>,
4689 ) {
4690 let mut state = self.0.lock();
4691 let path_for_item = state.paths_by_item.get_mut(&item_id);
4692 if let Some(path_for_item) = path_for_item {
4693 path_for_item.0 = project_path;
4694 path_for_item.1 = abs_path;
4695 }
4696 }
4697
4698 pub fn path_for_item(&self, item_id: EntityId) -> Option<(ProjectPath, Option<PathBuf>)> {
4699 self.0.lock().paths_by_item.get(&item_id).cloned()
4700 }
4701
4702 pub fn push_tag(&mut self, origin: NavigationEntry, target: NavigationEntry) {
4703 let mut state = self.0.lock();
4704 let truncate_to = state.tag_stack_pos;
4705 state.tag_stack.truncate(truncate_to);
4706 state.tag_stack.push_back(TagStackEntry { origin, target });
4707 state.tag_stack_pos = state.tag_stack.len();
4708 }
4709
4710 pub fn pop_tag(&mut self, mode: TagNavigationMode) -> Option<NavigationEntry> {
4711 let mut state = self.0.lock();
4712 match mode {
4713 TagNavigationMode::Older => {
4714 if state.tag_stack_pos > 0 {
4715 state.tag_stack_pos -= 1;
4716 state
4717 .tag_stack
4718 .get(state.tag_stack_pos)
4719 .map(|e| e.origin.clone())
4720 } else {
4721 None
4722 }
4723 }
4724 TagNavigationMode::Newer => {
4725 let entry = state
4726 .tag_stack
4727 .get(state.tag_stack_pos)
4728 .map(|e| e.target.clone());
4729 if state.tag_stack_pos < state.tag_stack.len() {
4730 state.tag_stack_pos += 1;
4731 }
4732 entry
4733 }
4734 }
4735 }
4736}
4737
4738impl NavHistoryState {
4739 pub fn did_update(&self, cx: &mut App) {
4740 if let Some(pane) = self.pane.upgrade() {
4741 cx.defer(move |cx| {
4742 pane.update(cx, |pane, cx| pane.history_updated(cx));
4743 });
4744 }
4745 }
4746}
4747
4748fn dirty_message_for(buffer_path: Option<ProjectPath>, path_style: PathStyle) -> String {
4749 let path = buffer_path
4750 .as_ref()
4751 .and_then(|p| {
4752 let path = p.path.display(path_style);
4753 if path.is_empty() { None } else { Some(path) }
4754 })
4755 .unwrap_or("This buffer".into());
4756 let path = truncate_and_remove_front(&path, 80);
4757 format!("{path} contains unsaved edits. Do you want to save it?")
4758}
4759
4760pub fn tab_details(items: &[Box<dyn ItemHandle>], _window: &Window, cx: &App) -> Vec<usize> {
4761 let mut tab_details = items.iter().map(|_| 0).collect::<Vec<_>>();
4762 let mut tab_descriptions = HashMap::default();
4763 let mut done = false;
4764 while !done {
4765 done = true;
4766
4767 // Store item indices by their tab description.
4768 for (ix, (item, detail)) in items.iter().zip(&tab_details).enumerate() {
4769 let description = item.tab_content_text(*detail, cx);
4770 if *detail == 0 || description != item.tab_content_text(detail - 1, cx) {
4771 tab_descriptions
4772 .entry(description)
4773 .or_insert(Vec::new())
4774 .push(ix);
4775 }
4776 }
4777
4778 // If two or more items have the same tab description, increase their level
4779 // of detail and try again.
4780 for (_, item_ixs) in tab_descriptions.drain() {
4781 if item_ixs.len() > 1 {
4782 done = false;
4783 for ix in item_ixs {
4784 tab_details[ix] += 1;
4785 }
4786 }
4787 }
4788 }
4789
4790 tab_details
4791}
4792
4793pub fn render_item_indicator(item: Box<dyn ItemHandle>, cx: &App) -> Option<Indicator> {
4794 maybe!({
4795 let indicator_color = match (item.has_conflict(cx), item.is_dirty(cx)) {
4796 (true, _) => Color::Warning,
4797 (_, true) => Color::Accent,
4798 (false, false) => return None,
4799 };
4800
4801 Some(Indicator::dot().color(indicator_color))
4802 })
4803}
4804
4805impl Render for DraggedTab {
4806 fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
4807 let ui_font = ThemeSettings::get_global(cx).ui_font.clone();
4808 let label = self.item.tab_content(
4809 TabContentParams {
4810 detail: Some(self.detail),
4811 selected: false,
4812 preview: false,
4813 deemphasized: false,
4814 },
4815 window,
4816 cx,
4817 );
4818 Tab::new("")
4819 .toggle_state(self.is_active)
4820 .child(label)
4821 .render(window, cx)
4822 .font(ui_font)
4823 }
4824}
4825
4826#[cfg(test)]
4827mod tests {
4828 use std::{iter::zip, num::NonZero};
4829
4830 use super::*;
4831 use crate::{
4832 Member,
4833 item::test::{TestItem, TestProjectItem},
4834 };
4835 use gpui::{AppContext, Axis, TestAppContext, VisualTestContext, size};
4836 use project::FakeFs;
4837 use settings::SettingsStore;
4838 use theme::LoadThemes;
4839 use util::TryFutureExt;
4840
4841 #[gpui::test]
4842 async fn test_add_item_capped_to_max_tabs(cx: &mut TestAppContext) {
4843 init_test(cx);
4844 let fs = FakeFs::new(cx.executor());
4845
4846 let project = Project::test(fs, None, cx).await;
4847 let (workspace, cx) =
4848 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4849 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
4850
4851 for i in 0..7 {
4852 add_labeled_item(&pane, format!("{}", i).as_str(), false, cx);
4853 }
4854
4855 set_max_tabs(cx, Some(5));
4856 add_labeled_item(&pane, "7", false, cx);
4857 // Remove items to respect the max tab cap.
4858 assert_item_labels(&pane, ["3", "4", "5", "6", "7*"], cx);
4859 pane.update_in(cx, |pane, window, cx| {
4860 pane.activate_item(0, false, false, window, cx);
4861 });
4862 add_labeled_item(&pane, "X", false, cx);
4863 // Respect activation order.
4864 assert_item_labels(&pane, ["3", "X*", "5", "6", "7"], cx);
4865
4866 for i in 0..7 {
4867 add_labeled_item(&pane, format!("D{}", i).as_str(), true, cx);
4868 }
4869 // Keeps dirty items, even over max tab cap.
4870 assert_item_labels(
4871 &pane,
4872 ["D0^", "D1^", "D2^", "D3^", "D4^", "D5^", "D6*^"],
4873 cx,
4874 );
4875
4876 set_max_tabs(cx, None);
4877 for i in 0..7 {
4878 add_labeled_item(&pane, format!("N{}", i).as_str(), false, cx);
4879 }
4880 // No cap when max tabs is None.
4881 assert_item_labels(
4882 &pane,
4883 [
4884 "D0^", "D1^", "D2^", "D3^", "D4^", "D5^", "D6^", "N0", "N1", "N2", "N3", "N4",
4885 "N5", "N6*",
4886 ],
4887 cx,
4888 );
4889 }
4890
4891 #[gpui::test]
4892 async fn test_reduce_max_tabs_closes_existing_items(cx: &mut TestAppContext) {
4893 init_test(cx);
4894 let fs = FakeFs::new(cx.executor());
4895
4896 let project = Project::test(fs, None, cx).await;
4897 let (workspace, cx) =
4898 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4899 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
4900
4901 add_labeled_item(&pane, "A", false, cx);
4902 add_labeled_item(&pane, "B", false, cx);
4903 let item_c = add_labeled_item(&pane, "C", false, cx);
4904 let item_d = add_labeled_item(&pane, "D", false, cx);
4905 add_labeled_item(&pane, "E", false, cx);
4906 add_labeled_item(&pane, "Settings", false, cx);
4907 assert_item_labels(&pane, ["A", "B", "C", "D", "E", "Settings*"], cx);
4908
4909 set_max_tabs(cx, Some(5));
4910 assert_item_labels(&pane, ["B", "C", "D", "E", "Settings*"], cx);
4911
4912 set_max_tabs(cx, Some(4));
4913 assert_item_labels(&pane, ["C", "D", "E", "Settings*"], cx);
4914
4915 pane.update_in(cx, |pane, window, cx| {
4916 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
4917 pane.pin_tab_at(ix, window, cx);
4918
4919 let ix = pane.index_for_item_id(item_d.item_id()).unwrap();
4920 pane.pin_tab_at(ix, window, cx);
4921 });
4922 assert_item_labels(&pane, ["C!", "D!", "E", "Settings*"], cx);
4923
4924 set_max_tabs(cx, Some(2));
4925 assert_item_labels(&pane, ["C!", "D!", "Settings*"], cx);
4926 }
4927
4928 #[gpui::test]
4929 async fn test_allow_pinning_dirty_item_at_max_tabs(cx: &mut TestAppContext) {
4930 init_test(cx);
4931 let fs = FakeFs::new(cx.executor());
4932
4933 let project = Project::test(fs, None, cx).await;
4934 let (workspace, cx) =
4935 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4936 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
4937
4938 set_max_tabs(cx, Some(1));
4939 let item_a = add_labeled_item(&pane, "A", true, cx);
4940
4941 pane.update_in(cx, |pane, window, cx| {
4942 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
4943 pane.pin_tab_at(ix, window, cx);
4944 });
4945 assert_item_labels(&pane, ["A*^!"], cx);
4946 }
4947
4948 #[gpui::test]
4949 async fn test_allow_pinning_non_dirty_item_at_max_tabs(cx: &mut TestAppContext) {
4950 init_test(cx);
4951 let fs = FakeFs::new(cx.executor());
4952
4953 let project = Project::test(fs, None, cx).await;
4954 let (workspace, cx) =
4955 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4956 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
4957
4958 set_max_tabs(cx, Some(1));
4959 let item_a = add_labeled_item(&pane, "A", false, cx);
4960
4961 pane.update_in(cx, |pane, window, cx| {
4962 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
4963 pane.pin_tab_at(ix, window, cx);
4964 });
4965 assert_item_labels(&pane, ["A*!"], cx);
4966 }
4967
4968 #[gpui::test]
4969 async fn test_pin_tabs_incrementally_at_max_capacity(cx: &mut TestAppContext) {
4970 init_test(cx);
4971 let fs = FakeFs::new(cx.executor());
4972
4973 let project = Project::test(fs, None, cx).await;
4974 let (workspace, cx) =
4975 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
4976 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
4977
4978 set_max_tabs(cx, Some(3));
4979
4980 let item_a = add_labeled_item(&pane, "A", false, cx);
4981 assert_item_labels(&pane, ["A*"], cx);
4982
4983 pane.update_in(cx, |pane, window, cx| {
4984 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
4985 pane.pin_tab_at(ix, window, cx);
4986 });
4987 assert_item_labels(&pane, ["A*!"], cx);
4988
4989 let item_b = add_labeled_item(&pane, "B", false, cx);
4990 assert_item_labels(&pane, ["A!", "B*"], cx);
4991
4992 pane.update_in(cx, |pane, window, cx| {
4993 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
4994 pane.pin_tab_at(ix, window, cx);
4995 });
4996 assert_item_labels(&pane, ["A!", "B*!"], cx);
4997
4998 let item_c = add_labeled_item(&pane, "C", false, cx);
4999 assert_item_labels(&pane, ["A!", "B!", "C*"], cx);
5000
5001 pane.update_in(cx, |pane, window, cx| {
5002 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5003 pane.pin_tab_at(ix, window, cx);
5004 });
5005 assert_item_labels(&pane, ["A!", "B!", "C*!"], cx);
5006 }
5007
5008 #[gpui::test]
5009 async fn test_pin_tabs_left_to_right_after_opening_at_max_capacity(cx: &mut TestAppContext) {
5010 init_test(cx);
5011 let fs = FakeFs::new(cx.executor());
5012
5013 let project = Project::test(fs, None, cx).await;
5014 let (workspace, cx) =
5015 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5016 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5017
5018 set_max_tabs(cx, Some(3));
5019
5020 let item_a = add_labeled_item(&pane, "A", false, cx);
5021 assert_item_labels(&pane, ["A*"], cx);
5022
5023 let item_b = add_labeled_item(&pane, "B", false, cx);
5024 assert_item_labels(&pane, ["A", "B*"], cx);
5025
5026 let item_c = add_labeled_item(&pane, "C", false, cx);
5027 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5028
5029 pane.update_in(cx, |pane, window, cx| {
5030 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5031 pane.pin_tab_at(ix, window, cx);
5032 });
5033 assert_item_labels(&pane, ["A!", "B", "C*"], cx);
5034
5035 pane.update_in(cx, |pane, window, cx| {
5036 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5037 pane.pin_tab_at(ix, window, cx);
5038 });
5039 assert_item_labels(&pane, ["A!", "B!", "C*"], cx);
5040
5041 pane.update_in(cx, |pane, window, cx| {
5042 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5043 pane.pin_tab_at(ix, window, cx);
5044 });
5045 assert_item_labels(&pane, ["A!", "B!", "C*!"], cx);
5046 }
5047
5048 #[gpui::test]
5049 async fn test_pin_tabs_right_to_left_after_opening_at_max_capacity(cx: &mut TestAppContext) {
5050 init_test(cx);
5051 let fs = FakeFs::new(cx.executor());
5052
5053 let project = Project::test(fs, None, cx).await;
5054 let (workspace, cx) =
5055 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5056 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5057
5058 set_max_tabs(cx, Some(3));
5059
5060 let item_a = add_labeled_item(&pane, "A", false, cx);
5061 assert_item_labels(&pane, ["A*"], cx);
5062
5063 let item_b = add_labeled_item(&pane, "B", false, cx);
5064 assert_item_labels(&pane, ["A", "B*"], cx);
5065
5066 let item_c = add_labeled_item(&pane, "C", false, cx);
5067 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5068
5069 pane.update_in(cx, |pane, window, cx| {
5070 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5071 pane.pin_tab_at(ix, window, cx);
5072 });
5073 assert_item_labels(&pane, ["C*!", "A", "B"], cx);
5074
5075 pane.update_in(cx, |pane, window, cx| {
5076 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5077 pane.pin_tab_at(ix, window, cx);
5078 });
5079 assert_item_labels(&pane, ["C*!", "B!", "A"], cx);
5080
5081 pane.update_in(cx, |pane, window, cx| {
5082 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5083 pane.pin_tab_at(ix, window, cx);
5084 });
5085 assert_item_labels(&pane, ["C*!", "B!", "A!"], cx);
5086 }
5087
5088 #[gpui::test]
5089 async fn test_pinned_tabs_never_closed_at_max_tabs(cx: &mut TestAppContext) {
5090 init_test(cx);
5091 let fs = FakeFs::new(cx.executor());
5092
5093 let project = Project::test(fs, None, cx).await;
5094 let (workspace, cx) =
5095 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5096 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5097
5098 let item_a = add_labeled_item(&pane, "A", false, cx);
5099 pane.update_in(cx, |pane, window, cx| {
5100 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5101 pane.pin_tab_at(ix, window, cx);
5102 });
5103
5104 let item_b = add_labeled_item(&pane, "B", false, cx);
5105 pane.update_in(cx, |pane, window, cx| {
5106 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5107 pane.pin_tab_at(ix, window, cx);
5108 });
5109
5110 add_labeled_item(&pane, "C", false, cx);
5111 add_labeled_item(&pane, "D", false, cx);
5112 add_labeled_item(&pane, "E", false, cx);
5113 assert_item_labels(&pane, ["A!", "B!", "C", "D", "E*"], cx);
5114
5115 set_max_tabs(cx, Some(3));
5116 add_labeled_item(&pane, "F", false, cx);
5117 assert_item_labels(&pane, ["A!", "B!", "F*"], cx);
5118
5119 add_labeled_item(&pane, "G", false, cx);
5120 assert_item_labels(&pane, ["A!", "B!", "G*"], cx);
5121
5122 add_labeled_item(&pane, "H", false, cx);
5123 assert_item_labels(&pane, ["A!", "B!", "H*"], cx);
5124 }
5125
5126 #[gpui::test]
5127 async fn test_always_allows_one_unpinned_item_over_max_tabs_regardless_of_pinned_count(
5128 cx: &mut TestAppContext,
5129 ) {
5130 init_test(cx);
5131 let fs = FakeFs::new(cx.executor());
5132
5133 let project = Project::test(fs, None, cx).await;
5134 let (workspace, cx) =
5135 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5136 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5137
5138 set_max_tabs(cx, Some(3));
5139
5140 let item_a = add_labeled_item(&pane, "A", false, cx);
5141 pane.update_in(cx, |pane, window, cx| {
5142 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5143 pane.pin_tab_at(ix, window, cx);
5144 });
5145
5146 let item_b = add_labeled_item(&pane, "B", false, cx);
5147 pane.update_in(cx, |pane, window, cx| {
5148 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5149 pane.pin_tab_at(ix, window, cx);
5150 });
5151
5152 let item_c = add_labeled_item(&pane, "C", false, cx);
5153 pane.update_in(cx, |pane, window, cx| {
5154 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5155 pane.pin_tab_at(ix, window, cx);
5156 });
5157
5158 assert_item_labels(&pane, ["A!", "B!", "C*!"], cx);
5159
5160 let item_d = add_labeled_item(&pane, "D", false, cx);
5161 assert_item_labels(&pane, ["A!", "B!", "C!", "D*"], cx);
5162
5163 pane.update_in(cx, |pane, window, cx| {
5164 let ix = pane.index_for_item_id(item_d.item_id()).unwrap();
5165 pane.pin_tab_at(ix, window, cx);
5166 });
5167 assert_item_labels(&pane, ["A!", "B!", "C!", "D*!"], cx);
5168
5169 add_labeled_item(&pane, "E", false, cx);
5170 assert_item_labels(&pane, ["A!", "B!", "C!", "D!", "E*"], cx);
5171
5172 add_labeled_item(&pane, "F", false, cx);
5173 assert_item_labels(&pane, ["A!", "B!", "C!", "D!", "F*"], cx);
5174 }
5175
5176 #[gpui::test]
5177 async fn test_can_open_one_item_when_all_tabs_are_dirty_at_max(cx: &mut TestAppContext) {
5178 init_test(cx);
5179 let fs = FakeFs::new(cx.executor());
5180
5181 let project = Project::test(fs, None, cx).await;
5182 let (workspace, cx) =
5183 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5184 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5185
5186 set_max_tabs(cx, Some(3));
5187
5188 add_labeled_item(&pane, "A", true, cx);
5189 assert_item_labels(&pane, ["A*^"], cx);
5190
5191 add_labeled_item(&pane, "B", true, cx);
5192 assert_item_labels(&pane, ["A^", "B*^"], cx);
5193
5194 add_labeled_item(&pane, "C", true, cx);
5195 assert_item_labels(&pane, ["A^", "B^", "C*^"], cx);
5196
5197 add_labeled_item(&pane, "D", false, cx);
5198 assert_item_labels(&pane, ["A^", "B^", "C^", "D*"], cx);
5199
5200 add_labeled_item(&pane, "E", false, cx);
5201 assert_item_labels(&pane, ["A^", "B^", "C^", "E*"], cx);
5202
5203 add_labeled_item(&pane, "F", false, cx);
5204 assert_item_labels(&pane, ["A^", "B^", "C^", "F*"], cx);
5205
5206 add_labeled_item(&pane, "G", true, cx);
5207 assert_item_labels(&pane, ["A^", "B^", "C^", "G*^"], cx);
5208 }
5209
5210 #[gpui::test]
5211 async fn test_toggle_pin_tab(cx: &mut TestAppContext) {
5212 init_test(cx);
5213 let fs = FakeFs::new(cx.executor());
5214
5215 let project = Project::test(fs, None, cx).await;
5216 let (workspace, cx) =
5217 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5218 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5219
5220 set_labeled_items(&pane, ["A", "B*", "C"], cx);
5221 assert_item_labels(&pane, ["A", "B*", "C"], cx);
5222
5223 pane.update_in(cx, |pane, window, cx| {
5224 pane.toggle_pin_tab(&TogglePinTab, window, cx);
5225 });
5226 assert_item_labels(&pane, ["B*!", "A", "C"], cx);
5227
5228 pane.update_in(cx, |pane, window, cx| {
5229 pane.toggle_pin_tab(&TogglePinTab, window, cx);
5230 });
5231 assert_item_labels(&pane, ["B*", "A", "C"], cx);
5232 }
5233
5234 #[gpui::test]
5235 async fn test_unpin_all_tabs(cx: &mut TestAppContext) {
5236 init_test(cx);
5237 let fs = FakeFs::new(cx.executor());
5238
5239 let project = Project::test(fs, None, cx).await;
5240 let (workspace, cx) =
5241 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5242 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5243
5244 // Unpin all, in an empty pane
5245 pane.update_in(cx, |pane, window, cx| {
5246 pane.unpin_all_tabs(&UnpinAllTabs, window, cx);
5247 });
5248
5249 assert_item_labels(&pane, [], cx);
5250
5251 let item_a = add_labeled_item(&pane, "A", false, cx);
5252 let item_b = add_labeled_item(&pane, "B", false, cx);
5253 let item_c = add_labeled_item(&pane, "C", false, cx);
5254 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5255
5256 // Unpin all, when no tabs are pinned
5257 pane.update_in(cx, |pane, window, cx| {
5258 pane.unpin_all_tabs(&UnpinAllTabs, window, cx);
5259 });
5260
5261 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5262
5263 // Pin inactive tabs only
5264 pane.update_in(cx, |pane, window, cx| {
5265 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5266 pane.pin_tab_at(ix, window, cx);
5267
5268 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5269 pane.pin_tab_at(ix, window, cx);
5270 });
5271 assert_item_labels(&pane, ["A!", "B!", "C*"], cx);
5272
5273 pane.update_in(cx, |pane, window, cx| {
5274 pane.unpin_all_tabs(&UnpinAllTabs, window, cx);
5275 });
5276
5277 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5278
5279 // Pin all tabs
5280 pane.update_in(cx, |pane, window, cx| {
5281 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5282 pane.pin_tab_at(ix, window, cx);
5283
5284 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5285 pane.pin_tab_at(ix, window, cx);
5286
5287 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5288 pane.pin_tab_at(ix, window, cx);
5289 });
5290 assert_item_labels(&pane, ["A!", "B!", "C*!"], cx);
5291
5292 // Activate middle tab
5293 pane.update_in(cx, |pane, window, cx| {
5294 pane.activate_item(1, false, false, window, cx);
5295 });
5296 assert_item_labels(&pane, ["A!", "B*!", "C!"], cx);
5297
5298 pane.update_in(cx, |pane, window, cx| {
5299 pane.unpin_all_tabs(&UnpinAllTabs, window, cx);
5300 });
5301
5302 // Order has not changed
5303 assert_item_labels(&pane, ["A", "B*", "C"], cx);
5304 }
5305
5306 #[gpui::test]
5307 async fn test_separate_pinned_row_disabled_by_default(cx: &mut TestAppContext) {
5308 init_test(cx);
5309 let fs = FakeFs::new(cx.executor());
5310
5311 let project = Project::test(fs, None, cx).await;
5312 let (workspace, cx) =
5313 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5314 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5315
5316 let item_a = add_labeled_item(&pane, "A", false, cx);
5317 add_labeled_item(&pane, "B", false, cx);
5318 add_labeled_item(&pane, "C", false, cx);
5319
5320 // Pin one tab
5321 pane.update_in(cx, |pane, window, cx| {
5322 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5323 pane.pin_tab_at(ix, window, cx);
5324 });
5325 assert_item_labels(&pane, ["A!", "B", "C*"], cx);
5326
5327 // Verify setting is disabled by default
5328 let is_separate_row_enabled = pane.read_with(cx, |_, cx| {
5329 TabBarSettings::get_global(cx).show_pinned_tabs_in_separate_row
5330 });
5331 assert!(
5332 !is_separate_row_enabled,
5333 "Separate pinned row should be disabled by default"
5334 );
5335
5336 // Verify pinned_tabs_row element does NOT exist (single row layout)
5337 let pinned_row_bounds = cx.debug_bounds("pinned_tabs_row");
5338 assert!(
5339 pinned_row_bounds.is_none(),
5340 "pinned_tabs_row should not exist when setting is disabled"
5341 );
5342 }
5343
5344 #[gpui::test]
5345 async fn test_separate_pinned_row_two_rows_when_both_tab_types_exist(cx: &mut TestAppContext) {
5346 init_test(cx);
5347 let fs = FakeFs::new(cx.executor());
5348
5349 let project = Project::test(fs, None, cx).await;
5350 let (workspace, cx) =
5351 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5352 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5353
5354 // Enable separate row setting
5355 set_pinned_tabs_separate_row(cx, true);
5356
5357 let item_a = add_labeled_item(&pane, "A", false, cx);
5358 add_labeled_item(&pane, "B", false, cx);
5359 add_labeled_item(&pane, "C", false, cx);
5360
5361 // Pin one tab - now we have both pinned and unpinned tabs
5362 pane.update_in(cx, |pane, window, cx| {
5363 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5364 pane.pin_tab_at(ix, window, cx);
5365 });
5366 assert_item_labels(&pane, ["A!", "B", "C*"], cx);
5367
5368 // Verify pinned_tabs_row element exists (two row layout)
5369 let pinned_row_bounds = cx.debug_bounds("pinned_tabs_row");
5370 assert!(
5371 pinned_row_bounds.is_some(),
5372 "pinned_tabs_row should exist when setting is enabled and both tab types exist"
5373 );
5374 }
5375
5376 #[gpui::test]
5377 async fn test_separate_pinned_row_single_row_when_only_pinned_tabs(cx: &mut TestAppContext) {
5378 init_test(cx);
5379 let fs = FakeFs::new(cx.executor());
5380
5381 let project = Project::test(fs, None, cx).await;
5382 let (workspace, cx) =
5383 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5384 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5385
5386 // Enable separate row setting
5387 set_pinned_tabs_separate_row(cx, true);
5388
5389 let item_a = add_labeled_item(&pane, "A", false, cx);
5390 let item_b = add_labeled_item(&pane, "B", false, cx);
5391
5392 // Pin all tabs - only pinned tabs exist
5393 pane.update_in(cx, |pane, window, cx| {
5394 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5395 pane.pin_tab_at(ix, window, cx);
5396 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5397 pane.pin_tab_at(ix, window, cx);
5398 });
5399 assert_item_labels(&pane, ["A!", "B*!"], cx);
5400
5401 // Verify pinned_tabs_row does NOT exist (single row layout for pinned-only)
5402 let pinned_row_bounds = cx.debug_bounds("pinned_tabs_row");
5403 assert!(
5404 pinned_row_bounds.is_none(),
5405 "pinned_tabs_row should not exist when only pinned tabs exist (uses single row)"
5406 );
5407 }
5408
5409 #[gpui::test]
5410 async fn test_separate_pinned_row_single_row_when_only_unpinned_tabs(cx: &mut TestAppContext) {
5411 init_test(cx);
5412 let fs = FakeFs::new(cx.executor());
5413
5414 let project = Project::test(fs, None, cx).await;
5415 let (workspace, cx) =
5416 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5417 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5418
5419 // Enable separate row setting
5420 set_pinned_tabs_separate_row(cx, true);
5421
5422 // Add only unpinned tabs
5423 add_labeled_item(&pane, "A", false, cx);
5424 add_labeled_item(&pane, "B", false, cx);
5425 add_labeled_item(&pane, "C", false, cx);
5426 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5427
5428 // Verify pinned_tabs_row does NOT exist (single row layout for unpinned-only)
5429 let pinned_row_bounds = cx.debug_bounds("pinned_tabs_row");
5430 assert!(
5431 pinned_row_bounds.is_none(),
5432 "pinned_tabs_row should not exist when only unpinned tabs exist (uses single row)"
5433 );
5434 }
5435
5436 #[gpui::test]
5437 async fn test_separate_pinned_row_toggles_between_layouts(cx: &mut TestAppContext) {
5438 init_test(cx);
5439 let fs = FakeFs::new(cx.executor());
5440
5441 let project = Project::test(fs, None, cx).await;
5442 let (workspace, cx) =
5443 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5444 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5445
5446 let item_a = add_labeled_item(&pane, "A", false, cx);
5447 add_labeled_item(&pane, "B", false, cx);
5448
5449 // Pin one tab
5450 pane.update_in(cx, |pane, window, cx| {
5451 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5452 pane.pin_tab_at(ix, window, cx);
5453 });
5454
5455 // Initially disabled - single row
5456 let pinned_row_bounds = cx.debug_bounds("pinned_tabs_row");
5457 assert!(
5458 pinned_row_bounds.is_none(),
5459 "Should be single row when disabled"
5460 );
5461
5462 // Enable - two rows
5463 set_pinned_tabs_separate_row(cx, true);
5464 cx.run_until_parked();
5465 let pinned_row_bounds = cx.debug_bounds("pinned_tabs_row");
5466 assert!(
5467 pinned_row_bounds.is_some(),
5468 "Should be two rows when enabled"
5469 );
5470
5471 // Disable again - back to single row
5472 set_pinned_tabs_separate_row(cx, false);
5473 cx.run_until_parked();
5474 let pinned_row_bounds = cx.debug_bounds("pinned_tabs_row");
5475 assert!(
5476 pinned_row_bounds.is_none(),
5477 "Should be single row when disabled again"
5478 );
5479 }
5480
5481 #[gpui::test]
5482 async fn test_separate_pinned_row_has_right_border(cx: &mut TestAppContext) {
5483 init_test(cx);
5484 let fs = FakeFs::new(cx.executor());
5485
5486 let project = Project::test(fs, None, cx).await;
5487 let (workspace, cx) =
5488 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5489 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5490
5491 // Enable separate row setting
5492 set_pinned_tabs_separate_row(cx, true);
5493
5494 let item_a = add_labeled_item(&pane, "A", false, cx);
5495 add_labeled_item(&pane, "B", false, cx);
5496 add_labeled_item(&pane, "C", false, cx);
5497
5498 // Pin one tab - now we have both pinned and unpinned tabs (two-row layout)
5499 pane.update_in(cx, |pane, window, cx| {
5500 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5501 pane.pin_tab_at(ix, window, cx);
5502 });
5503 assert_item_labels(&pane, ["A!", "B", "C*"], cx);
5504 cx.run_until_parked();
5505
5506 // Verify two-row layout is active
5507 let pinned_row_bounds = cx.debug_bounds("pinned_tabs_row");
5508 assert!(
5509 pinned_row_bounds.is_some(),
5510 "Two-row layout should be active when both pinned and unpinned tabs exist"
5511 );
5512
5513 // Verify pinned_tabs_border element exists (the right border after pinned tabs)
5514 let border_bounds = cx.debug_bounds("pinned_tabs_border");
5515 assert!(
5516 border_bounds.is_some(),
5517 "pinned_tabs_border should exist in two-row layout to show right border"
5518 );
5519 }
5520
5521 #[gpui::test]
5522 async fn test_pinning_active_tab_without_position_change_maintains_focus(
5523 cx: &mut TestAppContext,
5524 ) {
5525 init_test(cx);
5526 let fs = FakeFs::new(cx.executor());
5527
5528 let project = Project::test(fs, None, cx).await;
5529 let (workspace, cx) =
5530 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5531 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5532
5533 // Add A
5534 let item_a = add_labeled_item(&pane, "A", false, cx);
5535 assert_item_labels(&pane, ["A*"], cx);
5536
5537 // Add B
5538 add_labeled_item(&pane, "B", false, cx);
5539 assert_item_labels(&pane, ["A", "B*"], cx);
5540
5541 // Activate A again
5542 pane.update_in(cx, |pane, window, cx| {
5543 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5544 pane.activate_item(ix, true, true, window, cx);
5545 });
5546 assert_item_labels(&pane, ["A*", "B"], cx);
5547
5548 // Pin A - remains active
5549 pane.update_in(cx, |pane, window, cx| {
5550 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5551 pane.pin_tab_at(ix, window, cx);
5552 });
5553 assert_item_labels(&pane, ["A*!", "B"], cx);
5554
5555 // Unpin A - remain active
5556 pane.update_in(cx, |pane, window, cx| {
5557 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5558 pane.unpin_tab_at(ix, window, cx);
5559 });
5560 assert_item_labels(&pane, ["A*", "B"], cx);
5561 }
5562
5563 #[gpui::test]
5564 async fn test_pinning_active_tab_with_position_change_maintains_focus(cx: &mut TestAppContext) {
5565 init_test(cx);
5566 let fs = FakeFs::new(cx.executor());
5567
5568 let project = Project::test(fs, None, cx).await;
5569 let (workspace, cx) =
5570 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5571 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5572
5573 // Add A, B, C
5574 add_labeled_item(&pane, "A", false, cx);
5575 add_labeled_item(&pane, "B", false, cx);
5576 let item_c = add_labeled_item(&pane, "C", false, cx);
5577 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5578
5579 // Pin C - moves to pinned area, remains active
5580 pane.update_in(cx, |pane, window, cx| {
5581 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5582 pane.pin_tab_at(ix, window, cx);
5583 });
5584 assert_item_labels(&pane, ["C*!", "A", "B"], cx);
5585
5586 // Unpin C - moves after pinned area, remains active
5587 pane.update_in(cx, |pane, window, cx| {
5588 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5589 pane.unpin_tab_at(ix, window, cx);
5590 });
5591 assert_item_labels(&pane, ["C*", "A", "B"], cx);
5592 }
5593
5594 #[gpui::test]
5595 async fn test_pinning_inactive_tab_without_position_change_preserves_existing_focus(
5596 cx: &mut TestAppContext,
5597 ) {
5598 init_test(cx);
5599 let fs = FakeFs::new(cx.executor());
5600
5601 let project = Project::test(fs, None, cx).await;
5602 let (workspace, cx) =
5603 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5604 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5605
5606 // Add A, B
5607 let item_a = add_labeled_item(&pane, "A", false, cx);
5608 add_labeled_item(&pane, "B", false, cx);
5609 assert_item_labels(&pane, ["A", "B*"], cx);
5610
5611 // Pin A - already in pinned area, B remains active
5612 pane.update_in(cx, |pane, window, cx| {
5613 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5614 pane.pin_tab_at(ix, window, cx);
5615 });
5616 assert_item_labels(&pane, ["A!", "B*"], cx);
5617
5618 // Unpin A - stays in place, B remains active
5619 pane.update_in(cx, |pane, window, cx| {
5620 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5621 pane.unpin_tab_at(ix, window, cx);
5622 });
5623 assert_item_labels(&pane, ["A", "B*"], cx);
5624 }
5625
5626 #[gpui::test]
5627 async fn test_pinning_inactive_tab_with_position_change_preserves_existing_focus(
5628 cx: &mut TestAppContext,
5629 ) {
5630 init_test(cx);
5631 let fs = FakeFs::new(cx.executor());
5632
5633 let project = Project::test(fs, None, cx).await;
5634 let (workspace, cx) =
5635 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5636 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5637
5638 // Add A, B, C
5639 add_labeled_item(&pane, "A", false, cx);
5640 let item_b = add_labeled_item(&pane, "B", false, cx);
5641 let item_c = add_labeled_item(&pane, "C", false, cx);
5642 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5643
5644 // Activate B
5645 pane.update_in(cx, |pane, window, cx| {
5646 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5647 pane.activate_item(ix, true, true, window, cx);
5648 });
5649 assert_item_labels(&pane, ["A", "B*", "C"], cx);
5650
5651 // Pin C - moves to pinned area, B remains active
5652 pane.update_in(cx, |pane, window, cx| {
5653 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5654 pane.pin_tab_at(ix, window, cx);
5655 });
5656 assert_item_labels(&pane, ["C!", "A", "B*"], cx);
5657
5658 // Unpin C - moves after pinned area, B remains active
5659 pane.update_in(cx, |pane, window, cx| {
5660 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5661 pane.unpin_tab_at(ix, window, cx);
5662 });
5663 assert_item_labels(&pane, ["C", "A", "B*"], cx);
5664 }
5665
5666 #[gpui::test]
5667 async fn test_drag_unpinned_tab_to_split_creates_pane_with_unpinned_tab(
5668 cx: &mut TestAppContext,
5669 ) {
5670 init_test(cx);
5671 let fs = FakeFs::new(cx.executor());
5672
5673 let project = Project::test(fs, None, cx).await;
5674 let (workspace, cx) =
5675 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5676 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5677
5678 // Add A, B. Pin B. Activate A
5679 let item_a = add_labeled_item(&pane_a, "A", false, cx);
5680 let item_b = add_labeled_item(&pane_a, "B", false, cx);
5681
5682 pane_a.update_in(cx, |pane, window, cx| {
5683 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5684 pane.pin_tab_at(ix, window, cx);
5685
5686 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5687 pane.activate_item(ix, true, true, window, cx);
5688 });
5689
5690 // Drag A to create new split
5691 pane_a.update_in(cx, |pane, window, cx| {
5692 pane.drag_split_direction = Some(SplitDirection::Right);
5693
5694 let dragged_tab = DraggedTab {
5695 pane: pane_a.clone(),
5696 item: item_a.boxed_clone(),
5697 ix: 0,
5698 detail: 0,
5699 is_active: true,
5700 };
5701 pane.handle_tab_drop(&dragged_tab, 0, window, cx);
5702 });
5703
5704 // A should be moved to new pane. B should remain pinned, A should not be pinned
5705 let (pane_a, pane_b) = workspace.read_with(cx, |workspace, _| {
5706 let panes = workspace.panes();
5707 (panes[0].clone(), panes[1].clone())
5708 });
5709 assert_item_labels(&pane_a, ["B*!"], cx);
5710 assert_item_labels(&pane_b, ["A*"], cx);
5711 }
5712
5713 #[gpui::test]
5714 async fn test_drag_pinned_tab_to_split_creates_pane_with_pinned_tab(cx: &mut TestAppContext) {
5715 init_test(cx);
5716 let fs = FakeFs::new(cx.executor());
5717
5718 let project = Project::test(fs, None, cx).await;
5719 let (workspace, cx) =
5720 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5721 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5722
5723 // Add A, B. Pin both. Activate A
5724 let item_a = add_labeled_item(&pane_a, "A", false, cx);
5725 let item_b = add_labeled_item(&pane_a, "B", false, cx);
5726
5727 pane_a.update_in(cx, |pane, window, cx| {
5728 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5729 pane.pin_tab_at(ix, window, cx);
5730
5731 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5732 pane.pin_tab_at(ix, window, cx);
5733
5734 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5735 pane.activate_item(ix, true, true, window, cx);
5736 });
5737 assert_item_labels(&pane_a, ["A*!", "B!"], cx);
5738
5739 // Drag A to create new split
5740 pane_a.update_in(cx, |pane, window, cx| {
5741 pane.drag_split_direction = Some(SplitDirection::Right);
5742
5743 let dragged_tab = DraggedTab {
5744 pane: pane_a.clone(),
5745 item: item_a.boxed_clone(),
5746 ix: 0,
5747 detail: 0,
5748 is_active: true,
5749 };
5750 pane.handle_tab_drop(&dragged_tab, 0, window, cx);
5751 });
5752
5753 // A should be moved to new pane. Both A and B should still be pinned
5754 let (pane_a, pane_b) = workspace.read_with(cx, |workspace, _| {
5755 let panes = workspace.panes();
5756 (panes[0].clone(), panes[1].clone())
5757 });
5758 assert_item_labels(&pane_a, ["B*!"], cx);
5759 assert_item_labels(&pane_b, ["A*!"], cx);
5760 }
5761
5762 #[gpui::test]
5763 async fn test_drag_pinned_tab_into_existing_panes_pinned_region(cx: &mut TestAppContext) {
5764 init_test(cx);
5765 let fs = FakeFs::new(cx.executor());
5766
5767 let project = Project::test(fs, None, cx).await;
5768 let (workspace, cx) =
5769 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5770 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5771
5772 // Add A to pane A and pin
5773 let item_a = add_labeled_item(&pane_a, "A", false, cx);
5774 pane_a.update_in(cx, |pane, window, cx| {
5775 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5776 pane.pin_tab_at(ix, window, cx);
5777 });
5778 assert_item_labels(&pane_a, ["A*!"], cx);
5779
5780 // Add B to pane B and pin
5781 let pane_b = workspace.update_in(cx, |workspace, window, cx| {
5782 workspace.split_pane(pane_a.clone(), SplitDirection::Right, window, cx)
5783 });
5784 let item_b = add_labeled_item(&pane_b, "B", false, cx);
5785 pane_b.update_in(cx, |pane, window, cx| {
5786 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5787 pane.pin_tab_at(ix, window, cx);
5788 });
5789 assert_item_labels(&pane_b, ["B*!"], cx);
5790
5791 // Move A from pane A to pane B's pinned region
5792 pane_b.update_in(cx, |pane, window, cx| {
5793 let dragged_tab = DraggedTab {
5794 pane: pane_a.clone(),
5795 item: item_a.boxed_clone(),
5796 ix: 0,
5797 detail: 0,
5798 is_active: true,
5799 };
5800 pane.handle_tab_drop(&dragged_tab, 0, window, cx);
5801 });
5802
5803 // A should stay pinned
5804 assert_item_labels(&pane_a, [], cx);
5805 assert_item_labels(&pane_b, ["A*!", "B!"], cx);
5806 }
5807
5808 #[gpui::test]
5809 async fn test_drag_pinned_tab_into_existing_panes_unpinned_region(cx: &mut TestAppContext) {
5810 init_test(cx);
5811 let fs = FakeFs::new(cx.executor());
5812
5813 let project = Project::test(fs, None, cx).await;
5814 let (workspace, cx) =
5815 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5816 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5817
5818 // Add A to pane A and pin
5819 let item_a = add_labeled_item(&pane_a, "A", false, cx);
5820 pane_a.update_in(cx, |pane, window, cx| {
5821 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5822 pane.pin_tab_at(ix, window, cx);
5823 });
5824 assert_item_labels(&pane_a, ["A*!"], cx);
5825
5826 // Create pane B with pinned item B
5827 let pane_b = workspace.update_in(cx, |workspace, window, cx| {
5828 workspace.split_pane(pane_a.clone(), SplitDirection::Right, window, cx)
5829 });
5830 let item_b = add_labeled_item(&pane_b, "B", false, cx);
5831 assert_item_labels(&pane_b, ["B*"], cx);
5832
5833 pane_b.update_in(cx, |pane, window, cx| {
5834 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5835 pane.pin_tab_at(ix, window, cx);
5836 });
5837 assert_item_labels(&pane_b, ["B*!"], cx);
5838
5839 // Move A from pane A to pane B's unpinned region
5840 pane_b.update_in(cx, |pane, window, cx| {
5841 let dragged_tab = DraggedTab {
5842 pane: pane_a.clone(),
5843 item: item_a.boxed_clone(),
5844 ix: 0,
5845 detail: 0,
5846 is_active: true,
5847 };
5848 pane.handle_tab_drop(&dragged_tab, 1, window, cx);
5849 });
5850
5851 // A should become pinned
5852 assert_item_labels(&pane_a, [], cx);
5853 assert_item_labels(&pane_b, ["B!", "A*"], cx);
5854 }
5855
5856 #[gpui::test]
5857 async fn test_drag_pinned_tab_into_existing_panes_first_position_with_no_pinned_tabs(
5858 cx: &mut TestAppContext,
5859 ) {
5860 init_test(cx);
5861 let fs = FakeFs::new(cx.executor());
5862
5863 let project = Project::test(fs, None, cx).await;
5864 let (workspace, cx) =
5865 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5866 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5867
5868 // Add A to pane A and pin
5869 let item_a = add_labeled_item(&pane_a, "A", false, cx);
5870 pane_a.update_in(cx, |pane, window, cx| {
5871 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5872 pane.pin_tab_at(ix, window, cx);
5873 });
5874 assert_item_labels(&pane_a, ["A*!"], cx);
5875
5876 // Add B to pane B
5877 let pane_b = workspace.update_in(cx, |workspace, window, cx| {
5878 workspace.split_pane(pane_a.clone(), SplitDirection::Right, window, cx)
5879 });
5880 add_labeled_item(&pane_b, "B", false, cx);
5881 assert_item_labels(&pane_b, ["B*"], cx);
5882
5883 // Move A from pane A to position 0 in pane B, indicating it should stay pinned
5884 pane_b.update_in(cx, |pane, window, cx| {
5885 let dragged_tab = DraggedTab {
5886 pane: pane_a.clone(),
5887 item: item_a.boxed_clone(),
5888 ix: 0,
5889 detail: 0,
5890 is_active: true,
5891 };
5892 pane.handle_tab_drop(&dragged_tab, 0, window, cx);
5893 });
5894
5895 // A should stay pinned
5896 assert_item_labels(&pane_a, [], cx);
5897 assert_item_labels(&pane_b, ["A*!", "B"], cx);
5898 }
5899
5900 #[gpui::test]
5901 async fn test_drag_pinned_tab_into_existing_pane_at_max_capacity_closes_unpinned_tabs(
5902 cx: &mut TestAppContext,
5903 ) {
5904 init_test(cx);
5905 let fs = FakeFs::new(cx.executor());
5906
5907 let project = Project::test(fs, None, cx).await;
5908 let (workspace, cx) =
5909 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5910 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5911 set_max_tabs(cx, Some(2));
5912
5913 // Add A, B to pane A. Pin both
5914 let item_a = add_labeled_item(&pane_a, "A", false, cx);
5915 let item_b = add_labeled_item(&pane_a, "B", false, cx);
5916 pane_a.update_in(cx, |pane, window, cx| {
5917 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5918 pane.pin_tab_at(ix, window, cx);
5919
5920 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5921 pane.pin_tab_at(ix, window, cx);
5922 });
5923 assert_item_labels(&pane_a, ["A!", "B*!"], cx);
5924
5925 // Add C, D to pane B. Pin both
5926 let pane_b = workspace.update_in(cx, |workspace, window, cx| {
5927 workspace.split_pane(pane_a.clone(), SplitDirection::Right, window, cx)
5928 });
5929 let item_c = add_labeled_item(&pane_b, "C", false, cx);
5930 let item_d = add_labeled_item(&pane_b, "D", false, cx);
5931 pane_b.update_in(cx, |pane, window, cx| {
5932 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5933 pane.pin_tab_at(ix, window, cx);
5934
5935 let ix = pane.index_for_item_id(item_d.item_id()).unwrap();
5936 pane.pin_tab_at(ix, window, cx);
5937 });
5938 assert_item_labels(&pane_b, ["C!", "D*!"], cx);
5939
5940 // Add a third unpinned item to pane B (exceeds max tabs), but is allowed,
5941 // as we allow 1 tab over max if the others are pinned or dirty
5942 add_labeled_item(&pane_b, "E", false, cx);
5943 assert_item_labels(&pane_b, ["C!", "D!", "E*"], cx);
5944
5945 // Drag pinned A from pane A to position 0 in pane B
5946 pane_b.update_in(cx, |pane, window, cx| {
5947 let dragged_tab = DraggedTab {
5948 pane: pane_a.clone(),
5949 item: item_a.boxed_clone(),
5950 ix: 0,
5951 detail: 0,
5952 is_active: true,
5953 };
5954 pane.handle_tab_drop(&dragged_tab, 0, window, cx);
5955 });
5956
5957 // E (unpinned) should be closed, leaving 3 pinned items
5958 assert_item_labels(&pane_a, ["B*!"], cx);
5959 assert_item_labels(&pane_b, ["A*!", "C!", "D!"], cx);
5960 }
5961
5962 #[gpui::test]
5963 async fn test_drag_last_pinned_tab_to_same_position_stays_pinned(cx: &mut TestAppContext) {
5964 init_test(cx);
5965 let fs = FakeFs::new(cx.executor());
5966
5967 let project = Project::test(fs, None, cx).await;
5968 let (workspace, cx) =
5969 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5970 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5971
5972 // Add A to pane A and pin it
5973 let item_a = add_labeled_item(&pane_a, "A", false, cx);
5974 pane_a.update_in(cx, |pane, window, cx| {
5975 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5976 pane.pin_tab_at(ix, window, cx);
5977 });
5978 assert_item_labels(&pane_a, ["A*!"], cx);
5979
5980 // Drag pinned A to position 1 (directly to the right) in the same pane
5981 pane_a.update_in(cx, |pane, window, cx| {
5982 let dragged_tab = DraggedTab {
5983 pane: pane_a.clone(),
5984 item: item_a.boxed_clone(),
5985 ix: 0,
5986 detail: 0,
5987 is_active: true,
5988 };
5989 pane.handle_tab_drop(&dragged_tab, 1, window, cx);
5990 });
5991
5992 // A should still be pinned and active
5993 assert_item_labels(&pane_a, ["A*!"], cx);
5994 }
5995
5996 #[gpui::test]
5997 async fn test_drag_pinned_tab_beyond_last_pinned_tab_in_same_pane_stays_pinned(
5998 cx: &mut TestAppContext,
5999 ) {
6000 init_test(cx);
6001 let fs = FakeFs::new(cx.executor());
6002
6003 let project = Project::test(fs, None, cx).await;
6004 let (workspace, cx) =
6005 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6006 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6007
6008 // Add A, B to pane A and pin both
6009 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6010 let item_b = add_labeled_item(&pane_a, "B", false, cx);
6011 pane_a.update_in(cx, |pane, window, cx| {
6012 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6013 pane.pin_tab_at(ix, window, cx);
6014
6015 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
6016 pane.pin_tab_at(ix, window, cx);
6017 });
6018 assert_item_labels(&pane_a, ["A!", "B*!"], cx);
6019
6020 // Drag pinned A right of B in the same pane
6021 pane_a.update_in(cx, |pane, window, cx| {
6022 let dragged_tab = DraggedTab {
6023 pane: pane_a.clone(),
6024 item: item_a.boxed_clone(),
6025 ix: 0,
6026 detail: 0,
6027 is_active: true,
6028 };
6029 pane.handle_tab_drop(&dragged_tab, 2, window, cx);
6030 });
6031
6032 // A stays pinned
6033 assert_item_labels(&pane_a, ["B!", "A*!"], cx);
6034 }
6035
6036 #[gpui::test]
6037 async fn test_dragging_pinned_tab_onto_unpinned_tab_reduces_unpinned_tab_count(
6038 cx: &mut TestAppContext,
6039 ) {
6040 init_test(cx);
6041 let fs = FakeFs::new(cx.executor());
6042
6043 let project = Project::test(fs, None, cx).await;
6044 let (workspace, cx) =
6045 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6046 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6047
6048 // Add A, B to pane A and pin A
6049 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6050 add_labeled_item(&pane_a, "B", false, cx);
6051 pane_a.update_in(cx, |pane, window, cx| {
6052 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6053 pane.pin_tab_at(ix, window, cx);
6054 });
6055 assert_item_labels(&pane_a, ["A!", "B*"], cx);
6056
6057 // Drag pinned A on top of B in the same pane, which changes tab order to B, A
6058 pane_a.update_in(cx, |pane, window, cx| {
6059 let dragged_tab = DraggedTab {
6060 pane: pane_a.clone(),
6061 item: item_a.boxed_clone(),
6062 ix: 0,
6063 detail: 0,
6064 is_active: true,
6065 };
6066 pane.handle_tab_drop(&dragged_tab, 1, window, cx);
6067 });
6068
6069 // Neither are pinned
6070 assert_item_labels(&pane_a, ["B", "A*"], cx);
6071 }
6072
6073 #[gpui::test]
6074 async fn test_drag_pinned_tab_beyond_unpinned_tab_in_same_pane_becomes_unpinned(
6075 cx: &mut TestAppContext,
6076 ) {
6077 init_test(cx);
6078 let fs = FakeFs::new(cx.executor());
6079
6080 let project = Project::test(fs, None, cx).await;
6081 let (workspace, cx) =
6082 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6083 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6084
6085 // Add A, B to pane A and pin A
6086 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6087 add_labeled_item(&pane_a, "B", false, cx);
6088 pane_a.update_in(cx, |pane, window, cx| {
6089 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6090 pane.pin_tab_at(ix, window, cx);
6091 });
6092 assert_item_labels(&pane_a, ["A!", "B*"], cx);
6093
6094 // Drag pinned A right of B in the same pane
6095 pane_a.update_in(cx, |pane, window, cx| {
6096 let dragged_tab = DraggedTab {
6097 pane: pane_a.clone(),
6098 item: item_a.boxed_clone(),
6099 ix: 0,
6100 detail: 0,
6101 is_active: true,
6102 };
6103 pane.handle_tab_drop(&dragged_tab, 2, window, cx);
6104 });
6105
6106 // A becomes unpinned
6107 assert_item_labels(&pane_a, ["B", "A*"], cx);
6108 }
6109
6110 #[gpui::test]
6111 async fn test_drag_unpinned_tab_in_front_of_pinned_tab_in_same_pane_becomes_pinned(
6112 cx: &mut TestAppContext,
6113 ) {
6114 init_test(cx);
6115 let fs = FakeFs::new(cx.executor());
6116
6117 let project = Project::test(fs, None, cx).await;
6118 let (workspace, cx) =
6119 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6120 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6121
6122 // Add A, B to pane A and pin A
6123 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6124 let item_b = add_labeled_item(&pane_a, "B", false, cx);
6125 pane_a.update_in(cx, |pane, window, cx| {
6126 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6127 pane.pin_tab_at(ix, window, cx);
6128 });
6129 assert_item_labels(&pane_a, ["A!", "B*"], cx);
6130
6131 // Drag pinned B left of A in the same pane
6132 pane_a.update_in(cx, |pane, window, cx| {
6133 let dragged_tab = DraggedTab {
6134 pane: pane_a.clone(),
6135 item: item_b.boxed_clone(),
6136 ix: 1,
6137 detail: 0,
6138 is_active: true,
6139 };
6140 pane.handle_tab_drop(&dragged_tab, 0, window, cx);
6141 });
6142
6143 // A becomes unpinned
6144 assert_item_labels(&pane_a, ["B*!", "A!"], cx);
6145 }
6146
6147 #[gpui::test]
6148 async fn test_drag_unpinned_tab_to_the_pinned_region_stays_pinned(cx: &mut TestAppContext) {
6149 init_test(cx);
6150 let fs = FakeFs::new(cx.executor());
6151
6152 let project = Project::test(fs, None, cx).await;
6153 let (workspace, cx) =
6154 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6155 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6156
6157 // Add A, B, C to pane A and pin A
6158 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6159 add_labeled_item(&pane_a, "B", false, cx);
6160 let item_c = add_labeled_item(&pane_a, "C", false, cx);
6161 pane_a.update_in(cx, |pane, window, cx| {
6162 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6163 pane.pin_tab_at(ix, window, cx);
6164 });
6165 assert_item_labels(&pane_a, ["A!", "B", "C*"], cx);
6166
6167 // Drag pinned C left of B in the same pane
6168 pane_a.update_in(cx, |pane, window, cx| {
6169 let dragged_tab = DraggedTab {
6170 pane: pane_a.clone(),
6171 item: item_c.boxed_clone(),
6172 ix: 2,
6173 detail: 0,
6174 is_active: true,
6175 };
6176 pane.handle_tab_drop(&dragged_tab, 1, window, cx);
6177 });
6178
6179 // A stays pinned, B and C remain unpinned
6180 assert_item_labels(&pane_a, ["A!", "C*", "B"], cx);
6181 }
6182
6183 #[gpui::test]
6184 async fn test_drag_unpinned_tab_into_existing_panes_pinned_region(cx: &mut TestAppContext) {
6185 init_test(cx);
6186 let fs = FakeFs::new(cx.executor());
6187
6188 let project = Project::test(fs, None, cx).await;
6189 let (workspace, cx) =
6190 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6191 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6192
6193 // Add unpinned item A to pane A
6194 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6195 assert_item_labels(&pane_a, ["A*"], cx);
6196
6197 // Create pane B with pinned item B
6198 let pane_b = workspace.update_in(cx, |workspace, window, cx| {
6199 workspace.split_pane(pane_a.clone(), SplitDirection::Right, window, cx)
6200 });
6201 let item_b = add_labeled_item(&pane_b, "B", false, cx);
6202 pane_b.update_in(cx, |pane, window, cx| {
6203 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
6204 pane.pin_tab_at(ix, window, cx);
6205 });
6206 assert_item_labels(&pane_b, ["B*!"], cx);
6207
6208 // Move A from pane A to pane B's pinned region
6209 pane_b.update_in(cx, |pane, window, cx| {
6210 let dragged_tab = DraggedTab {
6211 pane: pane_a.clone(),
6212 item: item_a.boxed_clone(),
6213 ix: 0,
6214 detail: 0,
6215 is_active: true,
6216 };
6217 pane.handle_tab_drop(&dragged_tab, 0, window, cx);
6218 });
6219
6220 // A should become pinned since it was dropped in the pinned region
6221 assert_item_labels(&pane_a, [], cx);
6222 assert_item_labels(&pane_b, ["A*!", "B!"], cx);
6223 }
6224
6225 #[gpui::test]
6226 async fn test_drag_unpinned_tab_into_existing_panes_unpinned_region(cx: &mut TestAppContext) {
6227 init_test(cx);
6228 let fs = FakeFs::new(cx.executor());
6229
6230 let project = Project::test(fs, None, cx).await;
6231 let (workspace, cx) =
6232 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6233 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6234
6235 // Add unpinned item A to pane A
6236 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6237 assert_item_labels(&pane_a, ["A*"], cx);
6238
6239 // Create pane B with one pinned item B
6240 let pane_b = workspace.update_in(cx, |workspace, window, cx| {
6241 workspace.split_pane(pane_a.clone(), SplitDirection::Right, window, cx)
6242 });
6243 let item_b = add_labeled_item(&pane_b, "B", false, cx);
6244 pane_b.update_in(cx, |pane, window, cx| {
6245 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
6246 pane.pin_tab_at(ix, window, cx);
6247 });
6248 assert_item_labels(&pane_b, ["B*!"], cx);
6249
6250 // Move A from pane A to pane B's unpinned region
6251 pane_b.update_in(cx, |pane, window, cx| {
6252 let dragged_tab = DraggedTab {
6253 pane: pane_a.clone(),
6254 item: item_a.boxed_clone(),
6255 ix: 0,
6256 detail: 0,
6257 is_active: true,
6258 };
6259 pane.handle_tab_drop(&dragged_tab, 1, window, cx);
6260 });
6261
6262 // A should remain unpinned since it was dropped outside the pinned region
6263 assert_item_labels(&pane_a, [], cx);
6264 assert_item_labels(&pane_b, ["B!", "A*"], cx);
6265 }
6266
6267 #[gpui::test]
6268 async fn test_drag_pinned_tab_throughout_entire_range_of_pinned_tabs_both_directions(
6269 cx: &mut TestAppContext,
6270 ) {
6271 init_test(cx);
6272 let fs = FakeFs::new(cx.executor());
6273
6274 let project = Project::test(fs, None, cx).await;
6275 let (workspace, cx) =
6276 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6277 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6278
6279 // Add A, B, C and pin all
6280 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6281 let item_b = add_labeled_item(&pane_a, "B", false, cx);
6282 let item_c = add_labeled_item(&pane_a, "C", false, cx);
6283 assert_item_labels(&pane_a, ["A", "B", "C*"], cx);
6284
6285 pane_a.update_in(cx, |pane, window, cx| {
6286 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6287 pane.pin_tab_at(ix, window, cx);
6288
6289 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
6290 pane.pin_tab_at(ix, window, cx);
6291
6292 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
6293 pane.pin_tab_at(ix, window, cx);
6294 });
6295 assert_item_labels(&pane_a, ["A!", "B!", "C*!"], cx);
6296
6297 // Move A to right of B
6298 pane_a.update_in(cx, |pane, window, cx| {
6299 let dragged_tab = DraggedTab {
6300 pane: pane_a.clone(),
6301 item: item_a.boxed_clone(),
6302 ix: 0,
6303 detail: 0,
6304 is_active: true,
6305 };
6306 pane.handle_tab_drop(&dragged_tab, 1, window, cx);
6307 });
6308
6309 // A should be after B and all are pinned
6310 assert_item_labels(&pane_a, ["B!", "A*!", "C!"], cx);
6311
6312 // Move A to right of C
6313 pane_a.update_in(cx, |pane, window, cx| {
6314 let dragged_tab = DraggedTab {
6315 pane: pane_a.clone(),
6316 item: item_a.boxed_clone(),
6317 ix: 1,
6318 detail: 0,
6319 is_active: true,
6320 };
6321 pane.handle_tab_drop(&dragged_tab, 2, window, cx);
6322 });
6323
6324 // A should be after C and all are pinned
6325 assert_item_labels(&pane_a, ["B!", "C!", "A*!"], cx);
6326
6327 // Move A to left of C
6328 pane_a.update_in(cx, |pane, window, cx| {
6329 let dragged_tab = DraggedTab {
6330 pane: pane_a.clone(),
6331 item: item_a.boxed_clone(),
6332 ix: 2,
6333 detail: 0,
6334 is_active: true,
6335 };
6336 pane.handle_tab_drop(&dragged_tab, 1, window, cx);
6337 });
6338
6339 // A should be before C and all are pinned
6340 assert_item_labels(&pane_a, ["B!", "A*!", "C!"], cx);
6341
6342 // Move A to left of B
6343 pane_a.update_in(cx, |pane, window, cx| {
6344 let dragged_tab = DraggedTab {
6345 pane: pane_a.clone(),
6346 item: item_a.boxed_clone(),
6347 ix: 1,
6348 detail: 0,
6349 is_active: true,
6350 };
6351 pane.handle_tab_drop(&dragged_tab, 0, window, cx);
6352 });
6353
6354 // A should be before B and all are pinned
6355 assert_item_labels(&pane_a, ["A*!", "B!", "C!"], cx);
6356 }
6357
6358 #[gpui::test]
6359 async fn test_drag_first_tab_to_last_position(cx: &mut TestAppContext) {
6360 init_test(cx);
6361 let fs = FakeFs::new(cx.executor());
6362
6363 let project = Project::test(fs, None, cx).await;
6364 let (workspace, cx) =
6365 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6366 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6367
6368 // Add A, B, C
6369 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6370 add_labeled_item(&pane_a, "B", false, cx);
6371 add_labeled_item(&pane_a, "C", false, cx);
6372 assert_item_labels(&pane_a, ["A", "B", "C*"], cx);
6373
6374 // Move A to the end
6375 pane_a.update_in(cx, |pane, window, cx| {
6376 let dragged_tab = DraggedTab {
6377 pane: pane_a.clone(),
6378 item: item_a.boxed_clone(),
6379 ix: 0,
6380 detail: 0,
6381 is_active: true,
6382 };
6383 pane.handle_tab_drop(&dragged_tab, 2, window, cx);
6384 });
6385
6386 // A should be at the end
6387 assert_item_labels(&pane_a, ["B", "C", "A*"], cx);
6388 }
6389
6390 #[gpui::test]
6391 async fn test_drag_last_tab_to_first_position(cx: &mut TestAppContext) {
6392 init_test(cx);
6393 let fs = FakeFs::new(cx.executor());
6394
6395 let project = Project::test(fs, None, cx).await;
6396 let (workspace, cx) =
6397 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6398 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6399
6400 // Add A, B, C
6401 add_labeled_item(&pane_a, "A", false, cx);
6402 add_labeled_item(&pane_a, "B", false, cx);
6403 let item_c = add_labeled_item(&pane_a, "C", false, cx);
6404 assert_item_labels(&pane_a, ["A", "B", "C*"], cx);
6405
6406 // Move C to the beginning
6407 pane_a.update_in(cx, |pane, window, cx| {
6408 let dragged_tab = DraggedTab {
6409 pane: pane_a.clone(),
6410 item: item_c.boxed_clone(),
6411 ix: 2,
6412 detail: 0,
6413 is_active: true,
6414 };
6415 pane.handle_tab_drop(&dragged_tab, 0, window, cx);
6416 });
6417
6418 // C should be at the beginning
6419 assert_item_labels(&pane_a, ["C*", "A", "B"], cx);
6420 }
6421
6422 #[gpui::test]
6423 async fn test_drag_tab_to_middle_tab_with_mouse_events(cx: &mut TestAppContext) {
6424 use gpui::{Modifiers, MouseButton, MouseDownEvent, MouseMoveEvent, MouseUpEvent};
6425
6426 init_test(cx);
6427 let fs = FakeFs::new(cx.executor());
6428
6429 let project = Project::test(fs, None, cx).await;
6430 let (workspace, cx) =
6431 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6432 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6433
6434 add_labeled_item(&pane, "A", false, cx);
6435 add_labeled_item(&pane, "B", false, cx);
6436 add_labeled_item(&pane, "C", false, cx);
6437 add_labeled_item(&pane, "D", false, cx);
6438 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
6439 cx.run_until_parked();
6440
6441 let tab_a_bounds = cx
6442 .debug_bounds("TAB-0")
6443 .expect("Tab A (index 0) should have debug bounds");
6444 let tab_c_bounds = cx
6445 .debug_bounds("TAB-2")
6446 .expect("Tab C (index 2) should have debug bounds");
6447
6448 cx.simulate_event(MouseDownEvent {
6449 position: tab_a_bounds.center(),
6450 button: MouseButton::Left,
6451 modifiers: Modifiers::default(),
6452 click_count: 1,
6453 first_mouse: false,
6454 });
6455 cx.run_until_parked();
6456 cx.simulate_event(MouseMoveEvent {
6457 position: tab_c_bounds.center(),
6458 pressed_button: Some(MouseButton::Left),
6459 modifiers: Modifiers::default(),
6460 });
6461 cx.run_until_parked();
6462 cx.simulate_event(MouseUpEvent {
6463 position: tab_c_bounds.center(),
6464 button: MouseButton::Left,
6465 modifiers: Modifiers::default(),
6466 click_count: 1,
6467 });
6468 cx.run_until_parked();
6469
6470 assert_item_labels(&pane, ["B", "C", "A*", "D"], cx);
6471 }
6472
6473 #[gpui::test]
6474 async fn test_drag_pinned_tab_when_show_pinned_tabs_in_separate_row_enabled(
6475 cx: &mut TestAppContext,
6476 ) {
6477 use gpui::{Modifiers, MouseButton, MouseDownEvent, MouseMoveEvent, MouseUpEvent};
6478
6479 init_test(cx);
6480 set_pinned_tabs_separate_row(cx, true);
6481 let fs = FakeFs::new(cx.executor());
6482
6483 let project = Project::test(fs, None, cx).await;
6484 let (workspace, cx) =
6485 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6486 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6487
6488 let item_a = add_labeled_item(&pane, "A", false, cx);
6489 let item_b = add_labeled_item(&pane, "B", false, cx);
6490 let item_c = add_labeled_item(&pane, "C", false, cx);
6491 let item_d = add_labeled_item(&pane, "D", false, cx);
6492
6493 pane.update_in(cx, |pane, window, cx| {
6494 pane.pin_tab_at(
6495 pane.index_for_item_id(item_a.item_id()).unwrap(),
6496 window,
6497 cx,
6498 );
6499 pane.pin_tab_at(
6500 pane.index_for_item_id(item_b.item_id()).unwrap(),
6501 window,
6502 cx,
6503 );
6504 pane.pin_tab_at(
6505 pane.index_for_item_id(item_c.item_id()).unwrap(),
6506 window,
6507 cx,
6508 );
6509 pane.pin_tab_at(
6510 pane.index_for_item_id(item_d.item_id()).unwrap(),
6511 window,
6512 cx,
6513 );
6514 });
6515 assert_item_labels(&pane, ["A!", "B!", "C!", "D*!"], cx);
6516 cx.run_until_parked();
6517
6518 let tab_a_bounds = cx
6519 .debug_bounds("TAB-0")
6520 .expect("Tab A (index 0) should have debug bounds");
6521 let tab_c_bounds = cx
6522 .debug_bounds("TAB-2")
6523 .expect("Tab C (index 2) should have debug bounds");
6524
6525 cx.simulate_event(MouseDownEvent {
6526 position: tab_a_bounds.center(),
6527 button: MouseButton::Left,
6528 modifiers: Modifiers::default(),
6529 click_count: 1,
6530 first_mouse: false,
6531 });
6532 cx.run_until_parked();
6533 cx.simulate_event(MouseMoveEvent {
6534 position: tab_c_bounds.center(),
6535 pressed_button: Some(MouseButton::Left),
6536 modifiers: Modifiers::default(),
6537 });
6538 cx.run_until_parked();
6539 cx.simulate_event(MouseUpEvent {
6540 position: tab_c_bounds.center(),
6541 button: MouseButton::Left,
6542 modifiers: Modifiers::default(),
6543 click_count: 1,
6544 });
6545 cx.run_until_parked();
6546
6547 assert_item_labels(&pane, ["B!", "C!", "A*!", "D!"], cx);
6548 }
6549
6550 #[gpui::test]
6551 async fn test_drag_unpinned_tab_when_show_pinned_tabs_in_separate_row_enabled(
6552 cx: &mut TestAppContext,
6553 ) {
6554 use gpui::{Modifiers, MouseButton, MouseDownEvent, MouseMoveEvent, MouseUpEvent};
6555
6556 init_test(cx);
6557 set_pinned_tabs_separate_row(cx, true);
6558 let fs = FakeFs::new(cx.executor());
6559
6560 let project = Project::test(fs, None, cx).await;
6561 let (workspace, cx) =
6562 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6563 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6564
6565 add_labeled_item(&pane, "A", false, cx);
6566 add_labeled_item(&pane, "B", false, cx);
6567 add_labeled_item(&pane, "C", false, cx);
6568 add_labeled_item(&pane, "D", false, cx);
6569 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
6570 cx.run_until_parked();
6571
6572 let tab_a_bounds = cx
6573 .debug_bounds("TAB-0")
6574 .expect("Tab A (index 0) should have debug bounds");
6575 let tab_c_bounds = cx
6576 .debug_bounds("TAB-2")
6577 .expect("Tab C (index 2) should have debug bounds");
6578
6579 cx.simulate_event(MouseDownEvent {
6580 position: tab_a_bounds.center(),
6581 button: MouseButton::Left,
6582 modifiers: Modifiers::default(),
6583 click_count: 1,
6584 first_mouse: false,
6585 });
6586 cx.run_until_parked();
6587 cx.simulate_event(MouseMoveEvent {
6588 position: tab_c_bounds.center(),
6589 pressed_button: Some(MouseButton::Left),
6590 modifiers: Modifiers::default(),
6591 });
6592 cx.run_until_parked();
6593 cx.simulate_event(MouseUpEvent {
6594 position: tab_c_bounds.center(),
6595 button: MouseButton::Left,
6596 modifiers: Modifiers::default(),
6597 click_count: 1,
6598 });
6599 cx.run_until_parked();
6600
6601 assert_item_labels(&pane, ["B", "C", "A*", "D"], cx);
6602 }
6603
6604 #[gpui::test]
6605 async fn test_drag_mixed_tabs_when_show_pinned_tabs_in_separate_row_enabled(
6606 cx: &mut TestAppContext,
6607 ) {
6608 use gpui::{Modifiers, MouseButton, MouseDownEvent, MouseMoveEvent, MouseUpEvent};
6609
6610 init_test(cx);
6611 set_pinned_tabs_separate_row(cx, true);
6612 let fs = FakeFs::new(cx.executor());
6613
6614 let project = Project::test(fs, None, cx).await;
6615 let (workspace, cx) =
6616 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6617 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6618
6619 let item_a = add_labeled_item(&pane, "A", false, cx);
6620 let item_b = add_labeled_item(&pane, "B", false, cx);
6621 add_labeled_item(&pane, "C", false, cx);
6622 add_labeled_item(&pane, "D", false, cx);
6623 add_labeled_item(&pane, "E", false, cx);
6624 add_labeled_item(&pane, "F", false, cx);
6625
6626 pane.update_in(cx, |pane, window, cx| {
6627 pane.pin_tab_at(
6628 pane.index_for_item_id(item_a.item_id()).unwrap(),
6629 window,
6630 cx,
6631 );
6632 pane.pin_tab_at(
6633 pane.index_for_item_id(item_b.item_id()).unwrap(),
6634 window,
6635 cx,
6636 );
6637 });
6638 assert_item_labels(&pane, ["A!", "B!", "C", "D", "E", "F*"], cx);
6639 cx.run_until_parked();
6640
6641 let tab_c_bounds = cx
6642 .debug_bounds("TAB-2")
6643 .expect("Tab C (index 2) should have debug bounds");
6644 let tab_e_bounds = cx
6645 .debug_bounds("TAB-4")
6646 .expect("Tab E (index 4) should have debug bounds");
6647
6648 cx.simulate_event(MouseDownEvent {
6649 position: tab_c_bounds.center(),
6650 button: MouseButton::Left,
6651 modifiers: Modifiers::default(),
6652 click_count: 1,
6653 first_mouse: false,
6654 });
6655 cx.run_until_parked();
6656 cx.simulate_event(MouseMoveEvent {
6657 position: tab_e_bounds.center(),
6658 pressed_button: Some(MouseButton::Left),
6659 modifiers: Modifiers::default(),
6660 });
6661 cx.run_until_parked();
6662 cx.simulate_event(MouseUpEvent {
6663 position: tab_e_bounds.center(),
6664 button: MouseButton::Left,
6665 modifiers: Modifiers::default(),
6666 click_count: 1,
6667 });
6668 cx.run_until_parked();
6669
6670 assert_item_labels(&pane, ["A!", "B!", "D", "E", "C*", "F"], cx);
6671 }
6672
6673 #[gpui::test]
6674 async fn test_add_item_with_new_item(cx: &mut TestAppContext) {
6675 init_test(cx);
6676 let fs = FakeFs::new(cx.executor());
6677
6678 let project = Project::test(fs, None, cx).await;
6679 let (workspace, cx) =
6680 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6681 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6682
6683 // 1. Add with a destination index
6684 // a. Add before the active item
6685 set_labeled_items(&pane, ["A", "B*", "C"], cx);
6686 pane.update_in(cx, |pane, window, cx| {
6687 pane.add_item(
6688 Box::new(cx.new(|cx| TestItem::new(cx).with_label("D"))),
6689 false,
6690 false,
6691 Some(0),
6692 window,
6693 cx,
6694 );
6695 });
6696 assert_item_labels(&pane, ["D*", "A", "B", "C"], cx);
6697
6698 // b. Add after the active item
6699 set_labeled_items(&pane, ["A", "B*", "C"], cx);
6700 pane.update_in(cx, |pane, window, cx| {
6701 pane.add_item(
6702 Box::new(cx.new(|cx| TestItem::new(cx).with_label("D"))),
6703 false,
6704 false,
6705 Some(2),
6706 window,
6707 cx,
6708 );
6709 });
6710 assert_item_labels(&pane, ["A", "B", "D*", "C"], cx);
6711
6712 // c. Add at the end of the item list (including off the length)
6713 set_labeled_items(&pane, ["A", "B*", "C"], cx);
6714 pane.update_in(cx, |pane, window, cx| {
6715 pane.add_item(
6716 Box::new(cx.new(|cx| TestItem::new(cx).with_label("D"))),
6717 false,
6718 false,
6719 Some(5),
6720 window,
6721 cx,
6722 );
6723 });
6724 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
6725
6726 // 2. Add without a destination index
6727 // a. Add with active item at the start of the item list
6728 set_labeled_items(&pane, ["A*", "B", "C"], cx);
6729 pane.update_in(cx, |pane, window, cx| {
6730 pane.add_item(
6731 Box::new(cx.new(|cx| TestItem::new(cx).with_label("D"))),
6732 false,
6733 false,
6734 None,
6735 window,
6736 cx,
6737 );
6738 });
6739 set_labeled_items(&pane, ["A", "D*", "B", "C"], cx);
6740
6741 // b. Add with active item at the end of the item list
6742 set_labeled_items(&pane, ["A", "B", "C*"], cx);
6743 pane.update_in(cx, |pane, window, cx| {
6744 pane.add_item(
6745 Box::new(cx.new(|cx| TestItem::new(cx).with_label("D"))),
6746 false,
6747 false,
6748 None,
6749 window,
6750 cx,
6751 );
6752 });
6753 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
6754 }
6755
6756 #[gpui::test]
6757 async fn test_add_item_with_existing_item(cx: &mut TestAppContext) {
6758 init_test(cx);
6759 let fs = FakeFs::new(cx.executor());
6760
6761 let project = Project::test(fs, None, cx).await;
6762 let (workspace, cx) =
6763 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6764 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6765
6766 // 1. Add with a destination index
6767 // 1a. Add before the active item
6768 let [_, _, _, d] = set_labeled_items(&pane, ["A", "B*", "C", "D"], cx);
6769 pane.update_in(cx, |pane, window, cx| {
6770 pane.add_item(d, false, false, Some(0), window, cx);
6771 });
6772 assert_item_labels(&pane, ["D*", "A", "B", "C"], cx);
6773
6774 // 1b. Add after the active item
6775 let [_, _, _, d] = set_labeled_items(&pane, ["A", "B*", "C", "D"], cx);
6776 pane.update_in(cx, |pane, window, cx| {
6777 pane.add_item(d, false, false, Some(2), window, cx);
6778 });
6779 assert_item_labels(&pane, ["A", "B", "D*", "C"], cx);
6780
6781 // 1c. Add at the end of the item list (including off the length)
6782 let [a, _, _, _] = set_labeled_items(&pane, ["A", "B*", "C", "D"], cx);
6783 pane.update_in(cx, |pane, window, cx| {
6784 pane.add_item(a, false, false, Some(5), window, cx);
6785 });
6786 assert_item_labels(&pane, ["B", "C", "D", "A*"], cx);
6787
6788 // 1d. Add same item to active index
6789 let [_, b, _] = set_labeled_items(&pane, ["A", "B*", "C"], cx);
6790 pane.update_in(cx, |pane, window, cx| {
6791 pane.add_item(b, false, false, Some(1), window, cx);
6792 });
6793 assert_item_labels(&pane, ["A", "B*", "C"], cx);
6794
6795 // 1e. Add item to index after same item in last position
6796 let [_, _, c] = set_labeled_items(&pane, ["A", "B*", "C"], cx);
6797 pane.update_in(cx, |pane, window, cx| {
6798 pane.add_item(c, false, false, Some(2), window, cx);
6799 });
6800 assert_item_labels(&pane, ["A", "B", "C*"], cx);
6801
6802 // 2. Add without a destination index
6803 // 2a. Add with active item at the start of the item list
6804 let [_, _, _, d] = set_labeled_items(&pane, ["A*", "B", "C", "D"], cx);
6805 pane.update_in(cx, |pane, window, cx| {
6806 pane.add_item(d, false, false, None, window, cx);
6807 });
6808 assert_item_labels(&pane, ["A", "D*", "B", "C"], cx);
6809
6810 // 2b. Add with active item at the end of the item list
6811 let [a, _, _, _] = set_labeled_items(&pane, ["A", "B", "C", "D*"], cx);
6812 pane.update_in(cx, |pane, window, cx| {
6813 pane.add_item(a, false, false, None, window, cx);
6814 });
6815 assert_item_labels(&pane, ["B", "C", "D", "A*"], cx);
6816
6817 // 2c. Add active item to active item at end of list
6818 let [_, _, c] = set_labeled_items(&pane, ["A", "B", "C*"], cx);
6819 pane.update_in(cx, |pane, window, cx| {
6820 pane.add_item(c, false, false, None, window, cx);
6821 });
6822 assert_item_labels(&pane, ["A", "B", "C*"], cx);
6823
6824 // 2d. Add active item to active item at start of list
6825 let [a, _, _] = set_labeled_items(&pane, ["A*", "B", "C"], cx);
6826 pane.update_in(cx, |pane, window, cx| {
6827 pane.add_item(a, false, false, None, window, cx);
6828 });
6829 assert_item_labels(&pane, ["A*", "B", "C"], cx);
6830 }
6831
6832 #[gpui::test]
6833 async fn test_add_item_with_same_project_entries(cx: &mut TestAppContext) {
6834 init_test(cx);
6835 let fs = FakeFs::new(cx.executor());
6836
6837 let project = Project::test(fs, None, cx).await;
6838 let (workspace, cx) =
6839 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6840 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6841
6842 // singleton view
6843 pane.update_in(cx, |pane, window, cx| {
6844 pane.add_item(
6845 Box::new(cx.new(|cx| {
6846 TestItem::new(cx)
6847 .with_buffer_kind(ItemBufferKind::Singleton)
6848 .with_label("buffer 1")
6849 .with_project_items(&[TestProjectItem::new(1, "one.txt", cx)])
6850 })),
6851 false,
6852 false,
6853 None,
6854 window,
6855 cx,
6856 );
6857 });
6858 assert_item_labels(&pane, ["buffer 1*"], cx);
6859
6860 // new singleton view with the same project entry
6861 pane.update_in(cx, |pane, window, cx| {
6862 pane.add_item(
6863 Box::new(cx.new(|cx| {
6864 TestItem::new(cx)
6865 .with_buffer_kind(ItemBufferKind::Singleton)
6866 .with_label("buffer 1")
6867 .with_project_items(&[TestProjectItem::new(1, "1.txt", cx)])
6868 })),
6869 false,
6870 false,
6871 None,
6872 window,
6873 cx,
6874 );
6875 });
6876 assert_item_labels(&pane, ["buffer 1*"], cx);
6877
6878 // new singleton view with different project entry
6879 pane.update_in(cx, |pane, window, cx| {
6880 pane.add_item(
6881 Box::new(cx.new(|cx| {
6882 TestItem::new(cx)
6883 .with_buffer_kind(ItemBufferKind::Singleton)
6884 .with_label("buffer 2")
6885 .with_project_items(&[TestProjectItem::new(2, "2.txt", cx)])
6886 })),
6887 false,
6888 false,
6889 None,
6890 window,
6891 cx,
6892 );
6893 });
6894 assert_item_labels(&pane, ["buffer 1", "buffer 2*"], cx);
6895
6896 // new multibuffer view with the same project entry
6897 pane.update_in(cx, |pane, window, cx| {
6898 pane.add_item(
6899 Box::new(cx.new(|cx| {
6900 TestItem::new(cx)
6901 .with_buffer_kind(ItemBufferKind::Multibuffer)
6902 .with_label("multibuffer 1")
6903 .with_project_items(&[TestProjectItem::new(1, "1.txt", cx)])
6904 })),
6905 false,
6906 false,
6907 None,
6908 window,
6909 cx,
6910 );
6911 });
6912 assert_item_labels(&pane, ["buffer 1", "buffer 2", "multibuffer 1*"], cx);
6913
6914 // another multibuffer view with the same project entry
6915 pane.update_in(cx, |pane, window, cx| {
6916 pane.add_item(
6917 Box::new(cx.new(|cx| {
6918 TestItem::new(cx)
6919 .with_buffer_kind(ItemBufferKind::Multibuffer)
6920 .with_label("multibuffer 1b")
6921 .with_project_items(&[TestProjectItem::new(1, "1.txt", cx)])
6922 })),
6923 false,
6924 false,
6925 None,
6926 window,
6927 cx,
6928 );
6929 });
6930 assert_item_labels(
6931 &pane,
6932 ["buffer 1", "buffer 2", "multibuffer 1", "multibuffer 1b*"],
6933 cx,
6934 );
6935 }
6936
6937 #[gpui::test]
6938 async fn test_remove_item_ordering_history(cx: &mut TestAppContext) {
6939 init_test(cx);
6940 let fs = FakeFs::new(cx.executor());
6941
6942 let project = Project::test(fs, None, cx).await;
6943 let (workspace, cx) =
6944 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6945 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6946
6947 add_labeled_item(&pane, "A", false, cx);
6948 add_labeled_item(&pane, "B", false, cx);
6949 add_labeled_item(&pane, "C", false, cx);
6950 add_labeled_item(&pane, "D", false, cx);
6951 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
6952
6953 pane.update_in(cx, |pane, window, cx| {
6954 pane.activate_item(1, false, false, window, cx)
6955 });
6956 add_labeled_item(&pane, "1", false, cx);
6957 assert_item_labels(&pane, ["A", "B", "1*", "C", "D"], cx);
6958
6959 pane.update_in(cx, |pane, window, cx| {
6960 pane.close_active_item(
6961 &CloseActiveItem {
6962 save_intent: None,
6963 close_pinned: false,
6964 },
6965 window,
6966 cx,
6967 )
6968 })
6969 .await
6970 .unwrap();
6971 assert_item_labels(&pane, ["A", "B*", "C", "D"], cx);
6972
6973 pane.update_in(cx, |pane, window, cx| {
6974 pane.activate_item(3, false, false, window, cx)
6975 });
6976 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
6977
6978 pane.update_in(cx, |pane, window, cx| {
6979 pane.close_active_item(
6980 &CloseActiveItem {
6981 save_intent: None,
6982 close_pinned: false,
6983 },
6984 window,
6985 cx,
6986 )
6987 })
6988 .await
6989 .unwrap();
6990 assert_item_labels(&pane, ["A", "B*", "C"], cx);
6991
6992 pane.update_in(cx, |pane, window, cx| {
6993 pane.close_active_item(
6994 &CloseActiveItem {
6995 save_intent: None,
6996 close_pinned: false,
6997 },
6998 window,
6999 cx,
7000 )
7001 })
7002 .await
7003 .unwrap();
7004 assert_item_labels(&pane, ["A", "C*"], cx);
7005
7006 pane.update_in(cx, |pane, window, cx| {
7007 pane.close_active_item(
7008 &CloseActiveItem {
7009 save_intent: None,
7010 close_pinned: false,
7011 },
7012 window,
7013 cx,
7014 )
7015 })
7016 .await
7017 .unwrap();
7018 assert_item_labels(&pane, ["A*"], cx);
7019 }
7020
7021 #[gpui::test]
7022 async fn test_remove_item_ordering_neighbour(cx: &mut TestAppContext) {
7023 init_test(cx);
7024 cx.update_global::<SettingsStore, ()>(|s, cx| {
7025 s.update_user_settings(cx, |s| {
7026 s.tabs.get_or_insert_default().activate_on_close = Some(ActivateOnClose::Neighbour);
7027 });
7028 });
7029 let fs = FakeFs::new(cx.executor());
7030
7031 let project = Project::test(fs, None, cx).await;
7032 let (workspace, cx) =
7033 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7034 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7035
7036 add_labeled_item(&pane, "A", false, cx);
7037 add_labeled_item(&pane, "B", false, cx);
7038 add_labeled_item(&pane, "C", false, cx);
7039 add_labeled_item(&pane, "D", false, cx);
7040 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
7041
7042 pane.update_in(cx, |pane, window, cx| {
7043 pane.activate_item(1, false, false, window, cx)
7044 });
7045 add_labeled_item(&pane, "1", false, cx);
7046 assert_item_labels(&pane, ["A", "B", "1*", "C", "D"], cx);
7047
7048 pane.update_in(cx, |pane, window, cx| {
7049 pane.close_active_item(
7050 &CloseActiveItem {
7051 save_intent: None,
7052 close_pinned: false,
7053 },
7054 window,
7055 cx,
7056 )
7057 })
7058 .await
7059 .unwrap();
7060 assert_item_labels(&pane, ["A", "B", "C*", "D"], cx);
7061
7062 pane.update_in(cx, |pane, window, cx| {
7063 pane.activate_item(3, false, false, window, cx)
7064 });
7065 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
7066
7067 pane.update_in(cx, |pane, window, cx| {
7068 pane.close_active_item(
7069 &CloseActiveItem {
7070 save_intent: None,
7071 close_pinned: false,
7072 },
7073 window,
7074 cx,
7075 )
7076 })
7077 .await
7078 .unwrap();
7079 assert_item_labels(&pane, ["A", "B", "C*"], cx);
7080
7081 pane.update_in(cx, |pane, window, cx| {
7082 pane.close_active_item(
7083 &CloseActiveItem {
7084 save_intent: None,
7085 close_pinned: false,
7086 },
7087 window,
7088 cx,
7089 )
7090 })
7091 .await
7092 .unwrap();
7093 assert_item_labels(&pane, ["A", "B*"], cx);
7094
7095 pane.update_in(cx, |pane, window, cx| {
7096 pane.close_active_item(
7097 &CloseActiveItem {
7098 save_intent: None,
7099 close_pinned: false,
7100 },
7101 window,
7102 cx,
7103 )
7104 })
7105 .await
7106 .unwrap();
7107 assert_item_labels(&pane, ["A*"], cx);
7108 }
7109
7110 #[gpui::test]
7111 async fn test_remove_item_ordering_left_neighbour(cx: &mut TestAppContext) {
7112 init_test(cx);
7113 cx.update_global::<SettingsStore, ()>(|s, cx| {
7114 s.update_user_settings(cx, |s| {
7115 s.tabs.get_or_insert_default().activate_on_close =
7116 Some(ActivateOnClose::LeftNeighbour);
7117 });
7118 });
7119 let fs = FakeFs::new(cx.executor());
7120
7121 let project = Project::test(fs, None, cx).await;
7122 let (workspace, cx) =
7123 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7124 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7125
7126 add_labeled_item(&pane, "A", false, cx);
7127 add_labeled_item(&pane, "B", false, cx);
7128 add_labeled_item(&pane, "C", false, cx);
7129 add_labeled_item(&pane, "D", false, cx);
7130 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
7131
7132 pane.update_in(cx, |pane, window, cx| {
7133 pane.activate_item(1, false, false, window, cx)
7134 });
7135 add_labeled_item(&pane, "1", false, cx);
7136 assert_item_labels(&pane, ["A", "B", "1*", "C", "D"], cx);
7137
7138 pane.update_in(cx, |pane, window, cx| {
7139 pane.close_active_item(
7140 &CloseActiveItem {
7141 save_intent: None,
7142 close_pinned: false,
7143 },
7144 window,
7145 cx,
7146 )
7147 })
7148 .await
7149 .unwrap();
7150 assert_item_labels(&pane, ["A", "B*", "C", "D"], cx);
7151
7152 pane.update_in(cx, |pane, window, cx| {
7153 pane.activate_item(3, false, false, window, cx)
7154 });
7155 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
7156
7157 pane.update_in(cx, |pane, window, cx| {
7158 pane.close_active_item(
7159 &CloseActiveItem {
7160 save_intent: None,
7161 close_pinned: false,
7162 },
7163 window,
7164 cx,
7165 )
7166 })
7167 .await
7168 .unwrap();
7169 assert_item_labels(&pane, ["A", "B", "C*"], cx);
7170
7171 pane.update_in(cx, |pane, window, cx| {
7172 pane.activate_item(0, false, false, window, cx)
7173 });
7174 assert_item_labels(&pane, ["A*", "B", "C"], cx);
7175
7176 pane.update_in(cx, |pane, window, cx| {
7177 pane.close_active_item(
7178 &CloseActiveItem {
7179 save_intent: None,
7180 close_pinned: false,
7181 },
7182 window,
7183 cx,
7184 )
7185 })
7186 .await
7187 .unwrap();
7188 assert_item_labels(&pane, ["B*", "C"], cx);
7189
7190 pane.update_in(cx, |pane, window, cx| {
7191 pane.close_active_item(
7192 &CloseActiveItem {
7193 save_intent: None,
7194 close_pinned: false,
7195 },
7196 window,
7197 cx,
7198 )
7199 })
7200 .await
7201 .unwrap();
7202 assert_item_labels(&pane, ["C*"], cx);
7203 }
7204
7205 #[gpui::test]
7206 async fn test_close_inactive_items(cx: &mut TestAppContext) {
7207 init_test(cx);
7208 let fs = FakeFs::new(cx.executor());
7209
7210 let project = Project::test(fs, None, cx).await;
7211 let (workspace, cx) =
7212 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7213 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7214
7215 let item_a = add_labeled_item(&pane, "A", false, cx);
7216 pane.update_in(cx, |pane, window, cx| {
7217 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
7218 pane.pin_tab_at(ix, window, cx);
7219 });
7220 assert_item_labels(&pane, ["A*!"], cx);
7221
7222 let item_b = add_labeled_item(&pane, "B", false, cx);
7223 pane.update_in(cx, |pane, window, cx| {
7224 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
7225 pane.pin_tab_at(ix, window, cx);
7226 });
7227 assert_item_labels(&pane, ["A!", "B*!"], cx);
7228
7229 add_labeled_item(&pane, "C", false, cx);
7230 assert_item_labels(&pane, ["A!", "B!", "C*"], cx);
7231
7232 add_labeled_item(&pane, "D", false, cx);
7233 add_labeled_item(&pane, "E", false, cx);
7234 assert_item_labels(&pane, ["A!", "B!", "C", "D", "E*"], cx);
7235
7236 pane.update_in(cx, |pane, window, cx| {
7237 pane.close_other_items(
7238 &CloseOtherItems {
7239 save_intent: None,
7240 close_pinned: false,
7241 },
7242 None,
7243 window,
7244 cx,
7245 )
7246 })
7247 .await
7248 .unwrap();
7249 assert_item_labels(&pane, ["A!", "B!", "E*"], cx);
7250 }
7251
7252 #[gpui::test]
7253 async fn test_running_close_inactive_items_via_an_inactive_item(cx: &mut TestAppContext) {
7254 init_test(cx);
7255 let fs = FakeFs::new(cx.executor());
7256
7257 let project = Project::test(fs, None, cx).await;
7258 let (workspace, cx) =
7259 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7260 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7261
7262 add_labeled_item(&pane, "A", false, cx);
7263 assert_item_labels(&pane, ["A*"], cx);
7264
7265 let item_b = add_labeled_item(&pane, "B", false, cx);
7266 assert_item_labels(&pane, ["A", "B*"], cx);
7267
7268 add_labeled_item(&pane, "C", false, cx);
7269 add_labeled_item(&pane, "D", false, cx);
7270 add_labeled_item(&pane, "E", false, cx);
7271 assert_item_labels(&pane, ["A", "B", "C", "D", "E*"], cx);
7272
7273 pane.update_in(cx, |pane, window, cx| {
7274 pane.close_other_items(
7275 &CloseOtherItems {
7276 save_intent: None,
7277 close_pinned: false,
7278 },
7279 Some(item_b.item_id()),
7280 window,
7281 cx,
7282 )
7283 })
7284 .await
7285 .unwrap();
7286 assert_item_labels(&pane, ["B*"], cx);
7287 }
7288
7289 #[gpui::test]
7290 async fn test_close_other_items_unpreviews_active_item(cx: &mut TestAppContext) {
7291 init_test(cx);
7292 let fs = FakeFs::new(cx.executor());
7293
7294 let project = Project::test(fs, None, cx).await;
7295 let (workspace, cx) =
7296 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7297 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7298
7299 add_labeled_item(&pane, "A", false, cx);
7300 add_labeled_item(&pane, "B", false, cx);
7301 let item_c = add_labeled_item(&pane, "C", false, cx);
7302 assert_item_labels(&pane, ["A", "B", "C*"], cx);
7303
7304 pane.update(cx, |pane, cx| {
7305 pane.set_preview_item_id(Some(item_c.item_id()), cx);
7306 });
7307 assert!(pane.read_with(cx, |pane, _| pane.preview_item_id()
7308 == Some(item_c.item_id())));
7309
7310 pane.update_in(cx, |pane, window, cx| {
7311 pane.close_other_items(
7312 &CloseOtherItems {
7313 save_intent: None,
7314 close_pinned: false,
7315 },
7316 Some(item_c.item_id()),
7317 window,
7318 cx,
7319 )
7320 })
7321 .await
7322 .unwrap();
7323
7324 assert!(pane.read_with(cx, |pane, _| pane.preview_item_id().is_none()));
7325 assert_item_labels(&pane, ["C*"], cx);
7326 }
7327
7328 #[gpui::test]
7329 async fn test_close_clean_items(cx: &mut TestAppContext) {
7330 init_test(cx);
7331 let fs = FakeFs::new(cx.executor());
7332
7333 let project = Project::test(fs, None, cx).await;
7334 let (workspace, cx) =
7335 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7336 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7337
7338 add_labeled_item(&pane, "A", true, cx);
7339 add_labeled_item(&pane, "B", false, cx);
7340 add_labeled_item(&pane, "C", true, cx);
7341 add_labeled_item(&pane, "D", false, cx);
7342 add_labeled_item(&pane, "E", false, cx);
7343 assert_item_labels(&pane, ["A^", "B", "C^", "D", "E*"], cx);
7344
7345 pane.update_in(cx, |pane, window, cx| {
7346 pane.close_clean_items(
7347 &CloseCleanItems {
7348 close_pinned: false,
7349 },
7350 window,
7351 cx,
7352 )
7353 })
7354 .await
7355 .unwrap();
7356 assert_item_labels(&pane, ["A^", "C*^"], cx);
7357 }
7358
7359 #[gpui::test]
7360 async fn test_close_items_to_the_left(cx: &mut TestAppContext) {
7361 init_test(cx);
7362 let fs = FakeFs::new(cx.executor());
7363
7364 let project = Project::test(fs, None, cx).await;
7365 let (workspace, cx) =
7366 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7367 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7368
7369 set_labeled_items(&pane, ["A", "B", "C*", "D", "E"], cx);
7370
7371 pane.update_in(cx, |pane, window, cx| {
7372 pane.close_items_to_the_left_by_id(
7373 None,
7374 &CloseItemsToTheLeft {
7375 close_pinned: false,
7376 },
7377 window,
7378 cx,
7379 )
7380 })
7381 .await
7382 .unwrap();
7383 assert_item_labels(&pane, ["C*", "D", "E"], cx);
7384 }
7385
7386 #[gpui::test]
7387 async fn test_close_items_to_the_right(cx: &mut TestAppContext) {
7388 init_test(cx);
7389 let fs = FakeFs::new(cx.executor());
7390
7391 let project = Project::test(fs, None, cx).await;
7392 let (workspace, cx) =
7393 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7394 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7395
7396 set_labeled_items(&pane, ["A", "B", "C*", "D", "E"], cx);
7397
7398 pane.update_in(cx, |pane, window, cx| {
7399 pane.close_items_to_the_right_by_id(
7400 None,
7401 &CloseItemsToTheRight {
7402 close_pinned: false,
7403 },
7404 window,
7405 cx,
7406 )
7407 })
7408 .await
7409 .unwrap();
7410 assert_item_labels(&pane, ["A", "B", "C*"], cx);
7411 }
7412
7413 #[gpui::test]
7414 async fn test_close_all_items(cx: &mut TestAppContext) {
7415 init_test(cx);
7416 let fs = FakeFs::new(cx.executor());
7417
7418 let project = Project::test(fs, None, cx).await;
7419 let (workspace, cx) =
7420 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7421 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7422
7423 let item_a = add_labeled_item(&pane, "A", false, cx);
7424 add_labeled_item(&pane, "B", false, cx);
7425 add_labeled_item(&pane, "C", false, cx);
7426 assert_item_labels(&pane, ["A", "B", "C*"], cx);
7427
7428 pane.update_in(cx, |pane, window, cx| {
7429 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
7430 pane.pin_tab_at(ix, window, cx);
7431 pane.close_all_items(
7432 &CloseAllItems {
7433 save_intent: None,
7434 close_pinned: false,
7435 },
7436 window,
7437 cx,
7438 )
7439 })
7440 .await
7441 .unwrap();
7442 assert_item_labels(&pane, ["A*!"], cx);
7443
7444 pane.update_in(cx, |pane, window, cx| {
7445 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
7446 pane.unpin_tab_at(ix, window, cx);
7447 pane.close_all_items(
7448 &CloseAllItems {
7449 save_intent: None,
7450 close_pinned: false,
7451 },
7452 window,
7453 cx,
7454 )
7455 })
7456 .await
7457 .unwrap();
7458
7459 assert_item_labels(&pane, [], cx);
7460
7461 add_labeled_item(&pane, "A", true, cx).update(cx, |item, cx| {
7462 item.project_items
7463 .push(TestProjectItem::new_dirty(1, "A.txt", cx))
7464 });
7465 add_labeled_item(&pane, "B", true, cx).update(cx, |item, cx| {
7466 item.project_items
7467 .push(TestProjectItem::new_dirty(2, "B.txt", cx))
7468 });
7469 add_labeled_item(&pane, "C", true, cx).update(cx, |item, cx| {
7470 item.project_items
7471 .push(TestProjectItem::new_dirty(3, "C.txt", cx))
7472 });
7473 assert_item_labels(&pane, ["A^", "B^", "C*^"], cx);
7474
7475 let save = pane.update_in(cx, |pane, window, cx| {
7476 pane.close_all_items(
7477 &CloseAllItems {
7478 save_intent: None,
7479 close_pinned: false,
7480 },
7481 window,
7482 cx,
7483 )
7484 });
7485
7486 cx.executor().run_until_parked();
7487 cx.simulate_prompt_answer("Save all");
7488 save.await.unwrap();
7489 assert_item_labels(&pane, [], cx);
7490
7491 add_labeled_item(&pane, "A", true, cx);
7492 add_labeled_item(&pane, "B", true, cx);
7493 add_labeled_item(&pane, "C", true, cx);
7494 assert_item_labels(&pane, ["A^", "B^", "C*^"], cx);
7495 let save = pane.update_in(cx, |pane, window, cx| {
7496 pane.close_all_items(
7497 &CloseAllItems {
7498 save_intent: None,
7499 close_pinned: false,
7500 },
7501 window,
7502 cx,
7503 )
7504 });
7505
7506 cx.executor().run_until_parked();
7507 cx.simulate_prompt_answer("Discard all");
7508 save.await.unwrap();
7509 assert_item_labels(&pane, [], cx);
7510
7511 add_labeled_item(&pane, "A", true, cx).update(cx, |item, cx| {
7512 item.project_items
7513 .push(TestProjectItem::new_dirty(1, "A.txt", cx))
7514 });
7515 add_labeled_item(&pane, "B", true, cx).update(cx, |item, cx| {
7516 item.project_items
7517 .push(TestProjectItem::new_dirty(2, "B.txt", cx))
7518 });
7519 add_labeled_item(&pane, "C", true, cx).update(cx, |item, cx| {
7520 item.project_items
7521 .push(TestProjectItem::new_dirty(3, "C.txt", cx))
7522 });
7523 assert_item_labels(&pane, ["A^", "B^", "C*^"], cx);
7524
7525 let close_task = pane.update_in(cx, |pane, window, cx| {
7526 pane.close_all_items(
7527 &CloseAllItems {
7528 save_intent: None,
7529 close_pinned: false,
7530 },
7531 window,
7532 cx,
7533 )
7534 });
7535
7536 cx.executor().run_until_parked();
7537 cx.simulate_prompt_answer("Discard all");
7538 close_task.await.unwrap();
7539 assert_item_labels(&pane, [], cx);
7540
7541 add_labeled_item(&pane, "Clean1", false, cx);
7542 add_labeled_item(&pane, "Dirty", true, cx).update(cx, |item, cx| {
7543 item.project_items
7544 .push(TestProjectItem::new_dirty(1, "Dirty.txt", cx))
7545 });
7546 add_labeled_item(&pane, "Clean2", false, cx);
7547 assert_item_labels(&pane, ["Clean1", "Dirty^", "Clean2*"], cx);
7548
7549 let close_task = pane.update_in(cx, |pane, window, cx| {
7550 pane.close_all_items(
7551 &CloseAllItems {
7552 save_intent: None,
7553 close_pinned: false,
7554 },
7555 window,
7556 cx,
7557 )
7558 });
7559
7560 cx.executor().run_until_parked();
7561 cx.simulate_prompt_answer("Cancel");
7562 close_task.await.unwrap();
7563 assert_item_labels(&pane, ["Dirty*^"], cx);
7564 }
7565
7566 #[gpui::test]
7567 async fn test_discard_all_reloads_from_disk(cx: &mut TestAppContext) {
7568 init_test(cx);
7569 let fs = FakeFs::new(cx.executor());
7570
7571 let project = Project::test(fs, None, cx).await;
7572 let (workspace, cx) =
7573 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7574 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7575
7576 let item_a = add_labeled_item(&pane, "A", true, cx);
7577 item_a.update(cx, |item, cx| {
7578 item.project_items
7579 .push(TestProjectItem::new_dirty(1, "A.txt", cx))
7580 });
7581 let item_b = add_labeled_item(&pane, "B", true, cx);
7582 item_b.update(cx, |item, cx| {
7583 item.project_items
7584 .push(TestProjectItem::new_dirty(2, "B.txt", cx))
7585 });
7586 assert_item_labels(&pane, ["A^", "B*^"], cx);
7587
7588 let close_task = pane.update_in(cx, |pane, window, cx| {
7589 pane.close_all_items(
7590 &CloseAllItems {
7591 save_intent: None,
7592 close_pinned: false,
7593 },
7594 window,
7595 cx,
7596 )
7597 });
7598
7599 cx.executor().run_until_parked();
7600 cx.simulate_prompt_answer("Discard all");
7601 close_task.await.unwrap();
7602 assert_item_labels(&pane, [], cx);
7603
7604 item_a.read_with(cx, |item, _| {
7605 assert_eq!(item.reload_count, 1, "item A should have been reloaded");
7606 assert!(
7607 !item.is_dirty,
7608 "item A should no longer be dirty after reload"
7609 );
7610 });
7611 item_b.read_with(cx, |item, _| {
7612 assert_eq!(item.reload_count, 1, "item B should have been reloaded");
7613 assert!(
7614 !item.is_dirty,
7615 "item B should no longer be dirty after reload"
7616 );
7617 });
7618 }
7619
7620 #[gpui::test]
7621 async fn test_dont_save_single_file_reloads_from_disk(cx: &mut TestAppContext) {
7622 init_test(cx);
7623 let fs = FakeFs::new(cx.executor());
7624
7625 let project = Project::test(fs, None, cx).await;
7626 let (workspace, cx) =
7627 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7628 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7629
7630 let item = add_labeled_item(&pane, "Dirty", true, cx);
7631 item.update(cx, |item, cx| {
7632 item.project_items
7633 .push(TestProjectItem::new_dirty(1, "Dirty.txt", cx))
7634 });
7635 assert_item_labels(&pane, ["Dirty*^"], cx);
7636
7637 let close_task = pane.update_in(cx, |pane, window, cx| {
7638 pane.close_item_by_id(item.item_id(), SaveIntent::Close, window, cx)
7639 });
7640
7641 cx.executor().run_until_parked();
7642 cx.simulate_prompt_answer("Don't Save");
7643 close_task.await.unwrap();
7644 assert_item_labels(&pane, [], cx);
7645
7646 item.read_with(cx, |item, _| {
7647 assert_eq!(item.reload_count, 1, "item should have been reloaded");
7648 assert!(
7649 !item.is_dirty,
7650 "item should no longer be dirty after reload"
7651 );
7652 });
7653 }
7654
7655 #[gpui::test]
7656 async fn test_discard_does_not_reload_multibuffer(cx: &mut TestAppContext) {
7657 init_test(cx);
7658 let fs = FakeFs::new(cx.executor());
7659
7660 let project = Project::test(fs, None, cx).await;
7661 let (workspace, cx) =
7662 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7663 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7664
7665 let singleton_item = pane.update_in(cx, |pane, window, cx| {
7666 let item = Box::new(cx.new(|cx| {
7667 TestItem::new(cx)
7668 .with_label("Singleton")
7669 .with_dirty(true)
7670 .with_buffer_kind(ItemBufferKind::Singleton)
7671 }));
7672 pane.add_item(item.clone(), false, false, None, window, cx);
7673 item
7674 });
7675 singleton_item.update(cx, |item, cx| {
7676 item.project_items
7677 .push(TestProjectItem::new_dirty(1, "Singleton.txt", cx))
7678 });
7679
7680 let multi_item = pane.update_in(cx, |pane, window, cx| {
7681 let item = Box::new(cx.new(|cx| {
7682 TestItem::new(cx)
7683 .with_label("Multi")
7684 .with_dirty(true)
7685 .with_buffer_kind(ItemBufferKind::Multibuffer)
7686 }));
7687 pane.add_item(item.clone(), false, false, None, window, cx);
7688 item
7689 });
7690 multi_item.update(cx, |item, cx| {
7691 item.project_items
7692 .push(TestProjectItem::new_dirty(2, "Multi.txt", cx))
7693 });
7694
7695 let close_task = pane.update_in(cx, |pane, window, cx| {
7696 pane.close_all_items(
7697 &CloseAllItems {
7698 save_intent: None,
7699 close_pinned: false,
7700 },
7701 window,
7702 cx,
7703 )
7704 });
7705
7706 cx.executor().run_until_parked();
7707 cx.simulate_prompt_answer("Discard all");
7708 close_task.await.unwrap();
7709 assert_item_labels(&pane, [], cx);
7710
7711 singleton_item.read_with(cx, |item, _| {
7712 assert_eq!(item.reload_count, 1, "singleton should have been reloaded");
7713 assert!(
7714 !item.is_dirty,
7715 "singleton should no longer be dirty after reload"
7716 );
7717 });
7718 multi_item.read_with(cx, |item, _| {
7719 assert_eq!(
7720 item.reload_count, 0,
7721 "multibuffer should not have been reloaded"
7722 );
7723 });
7724 }
7725
7726 #[gpui::test]
7727 async fn test_close_multibuffer_items(cx: &mut TestAppContext) {
7728 init_test(cx);
7729 let fs = FakeFs::new(cx.executor());
7730
7731 let project = Project::test(fs, None, cx).await;
7732 let (workspace, cx) =
7733 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7734 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7735
7736 let add_labeled_item = |pane: &Entity<Pane>,
7737 label,
7738 is_dirty,
7739 kind: ItemBufferKind,
7740 cx: &mut VisualTestContext| {
7741 pane.update_in(cx, |pane, window, cx| {
7742 let labeled_item = Box::new(cx.new(|cx| {
7743 TestItem::new(cx)
7744 .with_label(label)
7745 .with_dirty(is_dirty)
7746 .with_buffer_kind(kind)
7747 }));
7748 pane.add_item(labeled_item.clone(), false, false, None, window, cx);
7749 labeled_item
7750 })
7751 };
7752
7753 let item_a = add_labeled_item(&pane, "A", false, ItemBufferKind::Multibuffer, cx);
7754 add_labeled_item(&pane, "B", false, ItemBufferKind::Multibuffer, cx);
7755 add_labeled_item(&pane, "C", false, ItemBufferKind::Singleton, cx);
7756 assert_item_labels(&pane, ["A", "B", "C*"], cx);
7757
7758 pane.update_in(cx, |pane, window, cx| {
7759 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
7760 pane.pin_tab_at(ix, window, cx);
7761 pane.close_multibuffer_items(
7762 &CloseMultibufferItems {
7763 save_intent: None,
7764 close_pinned: false,
7765 },
7766 window,
7767 cx,
7768 )
7769 })
7770 .await
7771 .unwrap();
7772 assert_item_labels(&pane, ["A!", "C*"], cx);
7773
7774 pane.update_in(cx, |pane, window, cx| {
7775 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
7776 pane.unpin_tab_at(ix, window, cx);
7777 pane.close_multibuffer_items(
7778 &CloseMultibufferItems {
7779 save_intent: None,
7780 close_pinned: false,
7781 },
7782 window,
7783 cx,
7784 )
7785 })
7786 .await
7787 .unwrap();
7788
7789 assert_item_labels(&pane, ["C*"], cx);
7790
7791 add_labeled_item(&pane, "A", true, ItemBufferKind::Singleton, cx).update(cx, |item, cx| {
7792 item.project_items
7793 .push(TestProjectItem::new_dirty(1, "A.txt", cx))
7794 });
7795 add_labeled_item(&pane, "B", true, ItemBufferKind::Multibuffer, cx).update(
7796 cx,
7797 |item, cx| {
7798 item.project_items
7799 .push(TestProjectItem::new_dirty(2, "B.txt", cx))
7800 },
7801 );
7802 add_labeled_item(&pane, "D", true, ItemBufferKind::Multibuffer, cx).update(
7803 cx,
7804 |item, cx| {
7805 item.project_items
7806 .push(TestProjectItem::new_dirty(3, "D.txt", cx))
7807 },
7808 );
7809 assert_item_labels(&pane, ["C", "A^", "B^", "D*^"], cx);
7810
7811 let save = pane.update_in(cx, |pane, window, cx| {
7812 pane.close_multibuffer_items(
7813 &CloseMultibufferItems {
7814 save_intent: None,
7815 close_pinned: false,
7816 },
7817 window,
7818 cx,
7819 )
7820 });
7821
7822 cx.executor().run_until_parked();
7823 cx.simulate_prompt_answer("Save all");
7824 save.await.unwrap();
7825 assert_item_labels(&pane, ["C", "A*^"], cx);
7826
7827 add_labeled_item(&pane, "B", true, ItemBufferKind::Multibuffer, cx).update(
7828 cx,
7829 |item, cx| {
7830 item.project_items
7831 .push(TestProjectItem::new_dirty(2, "B.txt", cx))
7832 },
7833 );
7834 add_labeled_item(&pane, "D", true, ItemBufferKind::Multibuffer, cx).update(
7835 cx,
7836 |item, cx| {
7837 item.project_items
7838 .push(TestProjectItem::new_dirty(3, "D.txt", cx))
7839 },
7840 );
7841 assert_item_labels(&pane, ["C", "A^", "B^", "D*^"], cx);
7842 let save = pane.update_in(cx, |pane, window, cx| {
7843 pane.close_multibuffer_items(
7844 &CloseMultibufferItems {
7845 save_intent: None,
7846 close_pinned: false,
7847 },
7848 window,
7849 cx,
7850 )
7851 });
7852
7853 cx.executor().run_until_parked();
7854 cx.simulate_prompt_answer("Discard all");
7855 save.await.unwrap();
7856 assert_item_labels(&pane, ["C", "A*^"], cx);
7857 }
7858
7859 #[gpui::test]
7860 async fn test_close_with_save_intent(cx: &mut TestAppContext) {
7861 init_test(cx);
7862 let fs = FakeFs::new(cx.executor());
7863
7864 let project = Project::test(fs, None, cx).await;
7865 let (workspace, cx) =
7866 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
7867 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7868
7869 let a = cx.update(|_, cx| TestProjectItem::new_dirty(1, "A.txt", cx));
7870 let b = cx.update(|_, cx| TestProjectItem::new_dirty(1, "B.txt", cx));
7871 let c = cx.update(|_, cx| TestProjectItem::new_dirty(1, "C.txt", cx));
7872
7873 add_labeled_item(&pane, "AB", true, cx).update(cx, |item, _| {
7874 item.project_items.push(a.clone());
7875 item.project_items.push(b.clone());
7876 });
7877 add_labeled_item(&pane, "C", true, cx)
7878 .update(cx, |item, _| item.project_items.push(c.clone()));
7879 assert_item_labels(&pane, ["AB^", "C*^"], cx);
7880
7881 pane.update_in(cx, |pane, window, cx| {
7882 pane.close_all_items(
7883 &CloseAllItems {
7884 save_intent: Some(SaveIntent::Save),
7885 close_pinned: false,
7886 },
7887 window,
7888 cx,
7889 )
7890 })
7891 .await
7892 .unwrap();
7893
7894 assert_item_labels(&pane, [], cx);
7895 cx.update(|_, cx| {
7896 assert!(!a.read(cx).is_dirty);
7897 assert!(!b.read(cx).is_dirty);
7898 assert!(!c.read(cx).is_dirty);
7899 });
7900 }
7901
7902 #[gpui::test]
7903 async fn test_new_tab_scrolls_into_view_completely(cx: &mut TestAppContext) {
7904 // Arrange
7905 init_test(cx);
7906 let fs = FakeFs::new(cx.executor());
7907
7908 let project = Project::test(fs, None, cx).await;
7909 let (workspace, cx) =
7910 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
7911 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7912
7913 cx.simulate_resize(size(px(300.), px(300.)));
7914
7915 add_labeled_item(&pane, "untitled", false, cx);
7916 add_labeled_item(&pane, "untitled", false, cx);
7917 add_labeled_item(&pane, "untitled", false, cx);
7918 add_labeled_item(&pane, "untitled", false, cx);
7919 // Act: this should trigger a scroll
7920 add_labeled_item(&pane, "untitled", false, cx);
7921 // Assert
7922 let tab_bar_scroll_handle =
7923 pane.update_in(cx, |pane, _window, _cx| pane.tab_bar_scroll_handle.clone());
7924 assert_eq!(tab_bar_scroll_handle.children_count(), 6);
7925 let tab_bounds = cx.debug_bounds("TAB-4").unwrap();
7926 let new_tab_button_bounds = cx.debug_bounds("ICON-Plus").unwrap();
7927 let scroll_bounds = tab_bar_scroll_handle.bounds();
7928 let scroll_offset = tab_bar_scroll_handle.offset();
7929 assert!(tab_bounds.right() <= scroll_bounds.right());
7930 // -39.5 is the magic number for this setup
7931 assert_eq!(scroll_offset.x, px(-39.5));
7932 assert!(
7933 !tab_bounds.intersects(&new_tab_button_bounds),
7934 "Tab should not overlap with the new tab button, if this is failing check if there's been a redesign!"
7935 );
7936 }
7937
7938 #[gpui::test]
7939 async fn test_close_all_items_including_pinned(cx: &mut TestAppContext) {
7940 init_test(cx);
7941 let fs = FakeFs::new(cx.executor());
7942
7943 let project = Project::test(fs, None, cx).await;
7944 let (workspace, cx) =
7945 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
7946 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7947
7948 let item_a = add_labeled_item(&pane, "A", false, cx);
7949 add_labeled_item(&pane, "B", false, cx);
7950 add_labeled_item(&pane, "C", false, cx);
7951 assert_item_labels(&pane, ["A", "B", "C*"], cx);
7952
7953 pane.update_in(cx, |pane, window, cx| {
7954 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
7955 pane.pin_tab_at(ix, window, cx);
7956 pane.close_all_items(
7957 &CloseAllItems {
7958 save_intent: None,
7959 close_pinned: true,
7960 },
7961 window,
7962 cx,
7963 )
7964 })
7965 .await
7966 .unwrap();
7967 assert_item_labels(&pane, [], cx);
7968 }
7969
7970 #[gpui::test]
7971 async fn test_close_pinned_tab_with_non_pinned_in_same_pane(cx: &mut TestAppContext) {
7972 init_test(cx);
7973 let fs = FakeFs::new(cx.executor());
7974 let project = Project::test(fs, None, cx).await;
7975 let (workspace, cx) =
7976 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
7977
7978 // Non-pinned tabs in same pane
7979 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7980 add_labeled_item(&pane, "A", false, cx);
7981 add_labeled_item(&pane, "B", false, cx);
7982 add_labeled_item(&pane, "C", false, cx);
7983 pane.update_in(cx, |pane, window, cx| {
7984 pane.pin_tab_at(0, window, cx);
7985 });
7986 set_labeled_items(&pane, ["A*", "B", "C"], cx);
7987 pane.update_in(cx, |pane, window, cx| {
7988 pane.close_active_item(
7989 &CloseActiveItem {
7990 save_intent: None,
7991 close_pinned: false,
7992 },
7993 window,
7994 cx,
7995 )
7996 .unwrap();
7997 });
7998 // Non-pinned tab should be active
7999 assert_item_labels(&pane, ["A!", "B*", "C"], cx);
8000 }
8001
8002 #[gpui::test]
8003 async fn test_close_pinned_tab_with_non_pinned_in_different_pane(cx: &mut TestAppContext) {
8004 init_test(cx);
8005 let fs = FakeFs::new(cx.executor());
8006 let project = Project::test(fs, None, cx).await;
8007 let (workspace, cx) =
8008 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
8009
8010 // No non-pinned tabs in same pane, non-pinned tabs in another pane
8011 let pane1 = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8012 let pane2 = workspace.update_in(cx, |workspace, window, cx| {
8013 workspace.split_pane(pane1.clone(), SplitDirection::Right, window, cx)
8014 });
8015 add_labeled_item(&pane1, "A", false, cx);
8016 pane1.update_in(cx, |pane, window, cx| {
8017 pane.pin_tab_at(0, window, cx);
8018 });
8019 set_labeled_items(&pane1, ["A*"], cx);
8020 add_labeled_item(&pane2, "B", false, cx);
8021 set_labeled_items(&pane2, ["B"], cx);
8022 pane1.update_in(cx, |pane, window, cx| {
8023 pane.close_active_item(
8024 &CloseActiveItem {
8025 save_intent: None,
8026 close_pinned: false,
8027 },
8028 window,
8029 cx,
8030 )
8031 .unwrap();
8032 });
8033 // Non-pinned tab of other pane should be active
8034 assert_item_labels(&pane2, ["B*"], cx);
8035 }
8036
8037 #[gpui::test]
8038 async fn ensure_item_closing_actions_do_not_panic_when_no_items_exist(cx: &mut TestAppContext) {
8039 init_test(cx);
8040 let fs = FakeFs::new(cx.executor());
8041 let project = Project::test(fs, None, cx).await;
8042 let (workspace, cx) =
8043 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
8044
8045 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8046 assert_item_labels(&pane, [], cx);
8047
8048 pane.update_in(cx, |pane, window, cx| {
8049 pane.close_active_item(
8050 &CloseActiveItem {
8051 save_intent: None,
8052 close_pinned: false,
8053 },
8054 window,
8055 cx,
8056 )
8057 })
8058 .await
8059 .unwrap();
8060
8061 pane.update_in(cx, |pane, window, cx| {
8062 pane.close_other_items(
8063 &CloseOtherItems {
8064 save_intent: None,
8065 close_pinned: false,
8066 },
8067 None,
8068 window,
8069 cx,
8070 )
8071 })
8072 .await
8073 .unwrap();
8074
8075 pane.update_in(cx, |pane, window, cx| {
8076 pane.close_all_items(
8077 &CloseAllItems {
8078 save_intent: None,
8079 close_pinned: false,
8080 },
8081 window,
8082 cx,
8083 )
8084 })
8085 .await
8086 .unwrap();
8087
8088 pane.update_in(cx, |pane, window, cx| {
8089 pane.close_clean_items(
8090 &CloseCleanItems {
8091 close_pinned: false,
8092 },
8093 window,
8094 cx,
8095 )
8096 })
8097 .await
8098 .unwrap();
8099
8100 pane.update_in(cx, |pane, window, cx| {
8101 pane.close_items_to_the_right_by_id(
8102 None,
8103 &CloseItemsToTheRight {
8104 close_pinned: false,
8105 },
8106 window,
8107 cx,
8108 )
8109 })
8110 .await
8111 .unwrap();
8112
8113 pane.update_in(cx, |pane, window, cx| {
8114 pane.close_items_to_the_left_by_id(
8115 None,
8116 &CloseItemsToTheLeft {
8117 close_pinned: false,
8118 },
8119 window,
8120 cx,
8121 )
8122 })
8123 .await
8124 .unwrap();
8125 }
8126
8127 #[gpui::test]
8128 async fn test_item_swapping_actions(cx: &mut TestAppContext) {
8129 init_test(cx);
8130 let fs = FakeFs::new(cx.executor());
8131 let project = Project::test(fs, None, cx).await;
8132 let (workspace, cx) =
8133 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
8134
8135 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8136 assert_item_labels(&pane, [], cx);
8137
8138 // Test that these actions do not panic
8139 pane.update_in(cx, |pane, window, cx| {
8140 pane.swap_item_right(&Default::default(), window, cx);
8141 });
8142
8143 pane.update_in(cx, |pane, window, cx| {
8144 pane.swap_item_left(&Default::default(), window, cx);
8145 });
8146
8147 add_labeled_item(&pane, "A", false, cx);
8148 add_labeled_item(&pane, "B", false, cx);
8149 add_labeled_item(&pane, "C", false, cx);
8150 assert_item_labels(&pane, ["A", "B", "C*"], cx);
8151
8152 pane.update_in(cx, |pane, window, cx| {
8153 pane.swap_item_right(&Default::default(), window, cx);
8154 });
8155 assert_item_labels(&pane, ["A", "B", "C*"], cx);
8156
8157 pane.update_in(cx, |pane, window, cx| {
8158 pane.swap_item_left(&Default::default(), window, cx);
8159 });
8160 assert_item_labels(&pane, ["A", "C*", "B"], cx);
8161
8162 pane.update_in(cx, |pane, window, cx| {
8163 pane.swap_item_left(&Default::default(), window, cx);
8164 });
8165 assert_item_labels(&pane, ["C*", "A", "B"], cx);
8166
8167 pane.update_in(cx, |pane, window, cx| {
8168 pane.swap_item_left(&Default::default(), window, cx);
8169 });
8170 assert_item_labels(&pane, ["C*", "A", "B"], cx);
8171
8172 pane.update_in(cx, |pane, window, cx| {
8173 pane.swap_item_right(&Default::default(), window, cx);
8174 });
8175 assert_item_labels(&pane, ["A", "C*", "B"], cx);
8176 }
8177
8178 #[gpui::test]
8179 async fn test_split_empty(cx: &mut TestAppContext) {
8180 for split_direction in SplitDirection::all() {
8181 test_single_pane_split(["A"], split_direction, SplitMode::EmptyPane, cx).await;
8182 }
8183 }
8184
8185 #[gpui::test]
8186 async fn test_split_clone(cx: &mut TestAppContext) {
8187 for split_direction in SplitDirection::all() {
8188 test_single_pane_split(["A"], split_direction, SplitMode::ClonePane, cx).await;
8189 }
8190 }
8191
8192 #[gpui::test]
8193 async fn test_split_move_right_on_single_pane(cx: &mut TestAppContext) {
8194 test_single_pane_split(["A"], SplitDirection::Right, SplitMode::MovePane, cx).await;
8195 }
8196
8197 #[gpui::test]
8198 async fn test_split_move(cx: &mut TestAppContext) {
8199 for split_direction in SplitDirection::all() {
8200 test_single_pane_split(["A", "B"], split_direction, SplitMode::MovePane, cx).await;
8201 }
8202 }
8203
8204 #[gpui::test]
8205 async fn test_reopening_closed_item_after_unpreview(cx: &mut TestAppContext) {
8206 init_test(cx);
8207
8208 cx.update_global::<SettingsStore, ()>(|store, cx| {
8209 store.update_user_settings(cx, |settings| {
8210 settings.preview_tabs.get_or_insert_default().enabled = Some(true);
8211 });
8212 });
8213
8214 let fs = FakeFs::new(cx.executor());
8215 let project = Project::test(fs, None, cx).await;
8216 let (workspace, cx) =
8217 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
8218 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8219
8220 // Add an item as preview
8221 let item = pane.update_in(cx, |pane, window, cx| {
8222 let item = Box::new(cx.new(|cx| TestItem::new(cx).with_label("A")));
8223 pane.add_item(item.clone(), true, true, None, window, cx);
8224 pane.set_preview_item_id(Some(item.item_id()), cx);
8225 item
8226 });
8227
8228 // Verify item is preview
8229 pane.read_with(cx, |pane, _| {
8230 assert_eq!(pane.preview_item_id(), Some(item.item_id()));
8231 });
8232
8233 // Unpreview the item
8234 pane.update_in(cx, |pane, _window, _cx| {
8235 pane.unpreview_item_if_preview(item.item_id());
8236 });
8237
8238 // Verify item is no longer preview
8239 pane.read_with(cx, |pane, _| {
8240 assert_eq!(pane.preview_item_id(), None);
8241 });
8242
8243 // Close the item
8244 pane.update_in(cx, |pane, window, cx| {
8245 pane.close_item_by_id(item.item_id(), SaveIntent::Skip, window, cx)
8246 .detach_and_log_err(cx);
8247 });
8248
8249 cx.run_until_parked();
8250
8251 // The item should be in the closed_stack and reopenable
8252 let has_closed_items = pane.read_with(cx, |pane, _| {
8253 !pane.nav_history.0.lock().closed_stack.is_empty()
8254 });
8255 assert!(
8256 has_closed_items,
8257 "closed item should be in closed_stack and reopenable"
8258 );
8259 }
8260
8261 fn init_test(cx: &mut TestAppContext) {
8262 cx.update(|cx| {
8263 let settings_store = SettingsStore::test(cx);
8264 cx.set_global(settings_store);
8265 theme::init(LoadThemes::JustBase, cx);
8266 });
8267 }
8268
8269 fn set_max_tabs(cx: &mut TestAppContext, value: Option<usize>) {
8270 cx.update_global(|store: &mut SettingsStore, cx| {
8271 store.update_user_settings(cx, |settings| {
8272 settings.workspace.max_tabs = value.map(|v| NonZero::new(v).unwrap())
8273 });
8274 });
8275 }
8276
8277 fn set_pinned_tabs_separate_row(cx: &mut TestAppContext, enabled: bool) {
8278 cx.update_global(|store: &mut SettingsStore, cx| {
8279 store.update_user_settings(cx, |settings| {
8280 settings
8281 .tab_bar
8282 .get_or_insert_default()
8283 .show_pinned_tabs_in_separate_row = Some(enabled);
8284 });
8285 });
8286 }
8287
8288 fn add_labeled_item(
8289 pane: &Entity<Pane>,
8290 label: &str,
8291 is_dirty: bool,
8292 cx: &mut VisualTestContext,
8293 ) -> Box<Entity<TestItem>> {
8294 pane.update_in(cx, |pane, window, cx| {
8295 let labeled_item =
8296 Box::new(cx.new(|cx| TestItem::new(cx).with_label(label).with_dirty(is_dirty)));
8297 pane.add_item(labeled_item.clone(), false, false, None, window, cx);
8298 labeled_item
8299 })
8300 }
8301
8302 fn set_labeled_items<const COUNT: usize>(
8303 pane: &Entity<Pane>,
8304 labels: [&str; COUNT],
8305 cx: &mut VisualTestContext,
8306 ) -> [Box<Entity<TestItem>>; COUNT] {
8307 pane.update_in(cx, |pane, window, cx| {
8308 pane.items.clear();
8309 let mut active_item_index = 0;
8310
8311 let mut index = 0;
8312 let items = labels.map(|mut label| {
8313 if label.ends_with('*') {
8314 label = label.trim_end_matches('*');
8315 active_item_index = index;
8316 }
8317
8318 let labeled_item = Box::new(cx.new(|cx| TestItem::new(cx).with_label(label)));
8319 pane.add_item(labeled_item.clone(), false, false, None, window, cx);
8320 index += 1;
8321 labeled_item
8322 });
8323
8324 pane.activate_item(active_item_index, false, false, window, cx);
8325
8326 items
8327 })
8328 }
8329
8330 // Assert the item label, with the active item label suffixed with a '*'
8331 #[track_caller]
8332 fn assert_item_labels<const COUNT: usize>(
8333 pane: &Entity<Pane>,
8334 expected_states: [&str; COUNT],
8335 cx: &mut VisualTestContext,
8336 ) {
8337 let actual_states = pane.update(cx, |pane, cx| {
8338 pane.items
8339 .iter()
8340 .enumerate()
8341 .map(|(ix, item)| {
8342 let mut state = item
8343 .to_any_view()
8344 .downcast::<TestItem>()
8345 .unwrap()
8346 .read(cx)
8347 .label
8348 .clone();
8349 if ix == pane.active_item_index {
8350 state.push('*');
8351 }
8352 if item.is_dirty(cx) {
8353 state.push('^');
8354 }
8355 if pane.is_tab_pinned(ix) {
8356 state.push('!');
8357 }
8358 state
8359 })
8360 .collect::<Vec<_>>()
8361 });
8362 assert_eq!(
8363 actual_states, expected_states,
8364 "pane items do not match expectation"
8365 );
8366 }
8367
8368 // Assert the item label, with the active item label expected active index
8369 #[track_caller]
8370 fn assert_item_labels_active_index(
8371 pane: &Entity<Pane>,
8372 expected_states: &[&str],
8373 expected_active_idx: usize,
8374 cx: &mut VisualTestContext,
8375 ) {
8376 let actual_states = pane.update(cx, |pane, cx| {
8377 pane.items
8378 .iter()
8379 .enumerate()
8380 .map(|(ix, item)| {
8381 let mut state = item
8382 .to_any_view()
8383 .downcast::<TestItem>()
8384 .unwrap()
8385 .read(cx)
8386 .label
8387 .clone();
8388 if ix == pane.active_item_index {
8389 assert_eq!(ix, expected_active_idx);
8390 }
8391 if item.is_dirty(cx) {
8392 state.push('^');
8393 }
8394 if pane.is_tab_pinned(ix) {
8395 state.push('!');
8396 }
8397 state
8398 })
8399 .collect::<Vec<_>>()
8400 });
8401 assert_eq!(
8402 actual_states, expected_states,
8403 "pane items do not match expectation"
8404 );
8405 }
8406
8407 #[track_caller]
8408 fn assert_pane_ids_on_axis<const COUNT: usize>(
8409 workspace: &Entity<Workspace>,
8410 expected_ids: [&EntityId; COUNT],
8411 expected_axis: Axis,
8412 cx: &mut VisualTestContext,
8413 ) {
8414 workspace.read_with(cx, |workspace, _| match &workspace.center.root {
8415 Member::Axis(axis) => {
8416 assert_eq!(axis.axis, expected_axis);
8417 assert_eq!(axis.members.len(), expected_ids.len());
8418 assert!(
8419 zip(expected_ids, &axis.members).all(|(e, a)| {
8420 if let Member::Pane(p) = a {
8421 p.entity_id() == *e
8422 } else {
8423 false
8424 }
8425 }),
8426 "pane ids do not match expectation: {expected_ids:?} != {actual_ids:?}",
8427 actual_ids = axis.members
8428 );
8429 }
8430 Member::Pane(_) => panic!("expected axis"),
8431 });
8432 }
8433
8434 async fn test_single_pane_split<const COUNT: usize>(
8435 pane_labels: [&str; COUNT],
8436 direction: SplitDirection,
8437 operation: SplitMode,
8438 cx: &mut TestAppContext,
8439 ) {
8440 init_test(cx);
8441 let fs = FakeFs::new(cx.executor());
8442 let project = Project::test(fs, None, cx).await;
8443 let (workspace, cx) =
8444 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
8445
8446 let mut pane_before =
8447 workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8448 for label in pane_labels {
8449 add_labeled_item(&pane_before, label, false, cx);
8450 }
8451 pane_before.update_in(cx, |pane, window, cx| {
8452 pane.split(direction, operation, window, cx)
8453 });
8454 cx.executor().run_until_parked();
8455 let pane_after = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8456
8457 let num_labels = pane_labels.len();
8458 let last_as_active = format!("{}*", String::from(pane_labels[num_labels - 1]));
8459
8460 // check labels for all split operations
8461 match operation {
8462 SplitMode::EmptyPane => {
8463 assert_item_labels_active_index(&pane_before, &pane_labels, num_labels - 1, cx);
8464 assert_item_labels(&pane_after, [], cx);
8465 }
8466 SplitMode::ClonePane => {
8467 assert_item_labels_active_index(&pane_before, &pane_labels, num_labels - 1, cx);
8468 assert_item_labels(&pane_after, [&last_as_active], cx);
8469 }
8470 SplitMode::MovePane => {
8471 let head = &pane_labels[..(num_labels - 1)];
8472 if num_labels == 1 {
8473 // We special-case this behavior and actually execute an empty pane command
8474 // followed by a refocus of the old pane for this case.
8475 pane_before = workspace.read_with(cx, |workspace, _cx| {
8476 workspace
8477 .panes()
8478 .into_iter()
8479 .find(|pane| *pane != &pane_after)
8480 .unwrap()
8481 .clone()
8482 });
8483 };
8484
8485 assert_item_labels_active_index(
8486 &pane_before,
8487 &head,
8488 head.len().saturating_sub(1),
8489 cx,
8490 );
8491 assert_item_labels(&pane_after, [&last_as_active], cx);
8492 pane_after.update_in(cx, |pane, window, cx| {
8493 window.focused(cx).is_some_and(|focus_handle| {
8494 focus_handle == pane.active_item().unwrap().item_focus_handle(cx)
8495 })
8496 });
8497 }
8498 }
8499
8500 // expected axis depends on split direction
8501 let expected_axis = match direction {
8502 SplitDirection::Right | SplitDirection::Left => Axis::Horizontal,
8503 SplitDirection::Up | SplitDirection::Down => Axis::Vertical,
8504 };
8505
8506 // expected ids depends on split direction
8507 let expected_ids = match direction {
8508 SplitDirection::Right | SplitDirection::Down => {
8509 [&pane_before.entity_id(), &pane_after.entity_id()]
8510 }
8511 SplitDirection::Left | SplitDirection::Up => {
8512 [&pane_after.entity_id(), &pane_before.entity_id()]
8513 }
8514 };
8515
8516 // check pane axes for all operations
8517 match operation {
8518 SplitMode::EmptyPane | SplitMode::ClonePane => {
8519 assert_pane_ids_on_axis(&workspace, expected_ids, expected_axis, cx);
8520 }
8521 SplitMode::MovePane => {
8522 assert_pane_ids_on_axis(&workspace, expected_ids, expected_axis, cx);
8523 }
8524 }
8525 }
8526}