1use crate::{
2 CloseWindow, NewCenterTerminal, NewFile, NewTerminal, OpenInTerminal, OpenOptions,
3 OpenTerminal, OpenVisible, SplitDirection, ToggleFileFinder, ToggleProjectSymbols, ToggleZoom,
4 Workspace, WorkspaceItemBuilder, ZoomIn, ZoomOut,
5 focus_follows_mouse::FocusFollowsMouse as _,
6 invalid_item_view::InvalidItemView,
7 item::{
8 ActivateOnClose, ClosePosition, Item, ItemBufferKind, ItemHandle, ItemSettings,
9 PreviewTabsSettings, ProjectItemKind, SaveOptions, ShowCloseButton, ShowDiagnostics,
10 TabContentParams, TabTooltipContent, WeakItemHandle,
11 },
12 move_item,
13 notifications::NotifyResultExt,
14 toolbar::Toolbar,
15 workspace_settings::{AutosaveSetting, FocusFollowsMouse, TabBarSettings, WorkspaceSettings},
16};
17use anyhow::Result;
18use collections::{BTreeSet, HashMap, HashSet, VecDeque};
19use futures::{StreamExt, stream::FuturesUnordered};
20use gpui::{
21 Action, Anchor, AnyElement, App, AsyncWindowContext, ClickEvent, ClipboardItem, Context, Div,
22 DragMoveEvent, Entity, EntityId, EventEmitter, ExternalPaths, FocusHandle, FocusOutEvent,
23 Focusable, KeyContext, MouseButton, NavigationDirection, Pixels, Point, PromptLevel, Render,
24 ScrollHandle, Subscription, Task, WeakEntity, WeakFocusHandle, Window, actions, anchored,
25 deferred, prelude::*,
26};
27use itertools::Itertools;
28use language::{Capability, DiagnosticSeverity};
29use parking_lot::Mutex;
30use project::{DirectoryLister, Project, ProjectEntryId, ProjectPath, WorktreeId};
31use schemars::JsonSchema;
32use serde::Deserialize;
33use settings::{Settings, SettingsStore};
34use std::{
35 any::Any,
36 cmp, fmt, mem,
37 num::NonZeroUsize,
38 path::PathBuf,
39 rc::Rc,
40 sync::{
41 Arc,
42 atomic::{AtomicUsize, Ordering},
43 },
44 time::Duration,
45};
46use theme_settings::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::{
53 ResultExt, debug_panic, maybe, paths::PathStyle, serde::default_true, truncate_and_remove_front,
54};
55
56/// A selected entry in e.g. project panel.
57#[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
58pub struct SelectedEntry {
59 pub worktree_id: WorktreeId,
60 pub entry_id: ProjectEntryId,
61}
62
63/// A group of selected entries from project panel.
64#[derive(Debug)]
65pub struct DraggedSelection {
66 pub active_selection: SelectedEntry,
67 pub marked_selections: Arc<[SelectedEntry]>,
68}
69
70impl DraggedSelection {
71 pub fn items<'a>(&'a self) -> Box<dyn Iterator<Item = &'a SelectedEntry> + 'a> {
72 if self.marked_selections.contains(&self.active_selection) {
73 Box::new(self.marked_selections.iter())
74 } else {
75 Box::new(std::iter::once(&self.active_selection))
76 }
77 }
78}
79
80#[derive(Clone, Copy, PartialEq, Debug, Deserialize, JsonSchema)]
81#[serde(rename_all = "snake_case")]
82pub enum SaveIntent {
83 /// write all files (even if unchanged)
84 /// prompt before overwriting on-disk changes
85 Save,
86 /// same as Save, but always formats regardless of the format_on_save setting
87 FormatAndSave,
88 /// same as Save, but without auto formatting
89 SaveWithoutFormat,
90 /// write any files that have local changes
91 /// prompt before overwriting on-disk changes
92 SaveAll,
93 /// always prompt for a new path
94 SaveAs,
95 /// prompt "you have unsaved changes" before writing
96 Close,
97 /// write all dirty files, don't prompt on conflict
98 Overwrite,
99 /// skip all save-related behavior
100 Skip,
101}
102
103/// Activates a specific item in the pane by its index.
104#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
105#[action(namespace = pane)]
106pub struct ActivateItem(pub usize);
107
108/// Closes the currently active item in the pane.
109#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
110#[action(namespace = pane)]
111#[serde(deny_unknown_fields)]
112pub struct CloseActiveItem {
113 #[serde(default)]
114 pub save_intent: Option<SaveIntent>,
115 #[serde(default)]
116 pub close_pinned: bool,
117}
118
119/// Closes all inactive items in the pane.
120#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
121#[action(namespace = pane)]
122#[serde(deny_unknown_fields)]
123#[action(deprecated_aliases = ["pane::CloseInactiveItems"])]
124pub struct CloseOtherItems {
125 #[serde(default)]
126 pub save_intent: Option<SaveIntent>,
127 #[serde(default)]
128 pub close_pinned: bool,
129}
130
131/// Closes all multibuffers in the pane.
132#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
133#[action(namespace = pane)]
134#[serde(deny_unknown_fields)]
135pub struct CloseMultibufferItems {
136 #[serde(default)]
137 pub save_intent: Option<SaveIntent>,
138 #[serde(default)]
139 pub close_pinned: bool,
140}
141
142/// Closes all items in the pane.
143#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
144#[action(namespace = pane)]
145#[serde(deny_unknown_fields)]
146pub struct CloseAllItems {
147 #[serde(default)]
148 pub save_intent: Option<SaveIntent>,
149 #[serde(default)]
150 pub close_pinned: bool,
151}
152
153/// Closes all items that have no unsaved changes.
154#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
155#[action(namespace = pane)]
156#[serde(deny_unknown_fields)]
157pub struct CloseCleanItems {
158 #[serde(default)]
159 pub close_pinned: bool,
160}
161
162/// Closes all items to the right of the current item.
163#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
164#[action(namespace = pane)]
165#[serde(deny_unknown_fields)]
166pub struct CloseItemsToTheRight {
167 #[serde(default)]
168 pub close_pinned: bool,
169}
170
171/// Closes all items to the left of the current item.
172#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
173#[action(namespace = pane)]
174#[serde(deny_unknown_fields)]
175pub struct CloseItemsToTheLeft {
176 #[serde(default)]
177 pub close_pinned: bool,
178}
179
180/// Reveals the current item in the project panel.
181#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
182#[action(namespace = pane)]
183#[serde(deny_unknown_fields)]
184pub struct RevealInProjectPanel {
185 #[serde(skip)]
186 pub entry_id: Option<u64>,
187}
188
189/// Opens the search interface with the specified configuration.
190#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
191#[action(namespace = pane)]
192#[serde(deny_unknown_fields)]
193pub struct DeploySearch {
194 #[serde(default)]
195 pub replace_enabled: bool,
196 #[serde(default)]
197 pub included_files: Option<String>,
198 #[serde(default)]
199 pub excluded_files: Option<String>,
200 #[serde(default)]
201 pub query: Option<String>,
202 #[serde(default)]
203 pub regex: Option<bool>,
204 #[serde(default)]
205 pub case_sensitive: Option<bool>,
206 #[serde(default)]
207 pub whole_word: Option<bool>,
208 #[serde(default)]
209 pub include_ignored: Option<bool>,
210}
211
212#[derive(Clone, Copy, PartialEq, Debug, Deserialize, JsonSchema, Default)]
213#[serde(deny_unknown_fields)]
214pub enum SplitMode {
215 /// Clone the current pane.
216 #[default]
217 ClonePane,
218 /// Create an empty new pane.
219 EmptyPane,
220 /// Move the item into a new pane. This will map to nop if only one pane exists.
221 MovePane,
222}
223
224macro_rules! split_structs {
225 ($($name:ident => $doc:literal),* $(,)?) => {
226 $(
227 #[doc = $doc]
228 #[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
229 #[action(namespace = pane)]
230 #[serde(deny_unknown_fields, default)]
231 pub struct $name {
232 pub mode: SplitMode,
233 }
234 )*
235 };
236}
237
238split_structs!(
239 SplitLeft => "Splits the pane to the left.",
240 SplitRight => "Splits the pane to the right.",
241 SplitUp => "Splits the pane upward.",
242 SplitDown => "Splits the pane downward.",
243 SplitHorizontal => "Splits the pane horizontally.",
244 SplitVertical => "Splits the pane vertically."
245);
246
247/// Activates the previous item in the pane.
248#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Action)]
249#[action(namespace = pane)]
250#[serde(deny_unknown_fields, default)]
251pub struct ActivatePreviousItem {
252 /// Whether to wrap from the first item to the last item.
253 #[serde(default = "default_true")]
254 pub wrap_around: bool,
255}
256
257impl Default for ActivatePreviousItem {
258 fn default() -> Self {
259 Self { wrap_around: true }
260 }
261}
262
263/// Activates the next item in the pane.
264#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Action)]
265#[action(namespace = pane)]
266#[serde(deny_unknown_fields, default)]
267pub struct ActivateNextItem {
268 /// Whether to wrap from the last item to the first item.
269 #[serde(default = "default_true")]
270 pub wrap_around: bool,
271}
272
273impl Default for ActivateNextItem {
274 fn default() -> Self {
275 Self { wrap_around: true }
276 }
277}
278
279actions!(
280 pane,
281 [
282 /// Activates the last item in the pane.
283 ActivateLastItem,
284 /// Switches to the alternate file.
285 AlternateFile,
286 /// Navigates back in history.
287 GoBack,
288 /// Navigates forward in history.
289 GoForward,
290 /// Navigates back in the tag stack.
291 GoToOlderTag,
292 /// Navigates forward in the tag stack.
293 GoToNewerTag,
294 /// Joins this pane into the next pane.
295 JoinIntoNext,
296 /// Joins all panes into one.
297 JoinAll,
298 /// Reopens the most recently closed item.
299 ReopenClosedItem,
300 /// Splits the pane to the left, moving the current item.
301 SplitAndMoveLeft,
302 /// Splits the pane upward, moving the current item.
303 SplitAndMoveUp,
304 /// Splits the pane to the right, moving the current item.
305 SplitAndMoveRight,
306 /// Splits the pane downward, moving the current item.
307 SplitAndMoveDown,
308 /// Swaps the current item with the one to the left.
309 SwapItemLeft,
310 /// Swaps the current item with the one to the right.
311 SwapItemRight,
312 /// Toggles preview mode for the current tab.
313 TogglePreviewTab,
314 /// Toggles pin status for the current tab.
315 TogglePinTab,
316 /// Unpins all tabs in the pane.
317 UnpinAllTabs,
318 ]
319);
320
321const MAX_NAVIGATION_HISTORY_LEN: usize = 1024;
322
323pub enum Event {
324 AddItem {
325 item: Box<dyn ItemHandle>,
326 },
327 ActivateItem {
328 local: bool,
329 focus_changed: bool,
330 },
331 Remove {
332 focus_on_pane: Option<Entity<Pane>>,
333 },
334 RemovedItem {
335 item: Box<dyn ItemHandle>,
336 },
337 Split {
338 direction: SplitDirection,
339 mode: SplitMode,
340 },
341 ItemPinned,
342 ItemUnpinned,
343 JoinAll,
344 JoinIntoNext,
345 ChangeItemTitle,
346 Focus,
347 ZoomIn,
348 ZoomOut,
349 UserSavedItem {
350 item: Box<dyn WeakItemHandle>,
351 save_intent: SaveIntent,
352 },
353}
354
355impl fmt::Debug for Event {
356 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
357 match self {
358 Event::AddItem { item } => f
359 .debug_struct("AddItem")
360 .field("item", &item.item_id())
361 .finish(),
362 Event::ActivateItem { local, .. } => f
363 .debug_struct("ActivateItem")
364 .field("local", local)
365 .finish(),
366 Event::Remove { .. } => f.write_str("Remove"),
367 Event::RemovedItem { item } => f
368 .debug_struct("RemovedItem")
369 .field("item", &item.item_id())
370 .finish(),
371 Event::Split { direction, mode } => f
372 .debug_struct("Split")
373 .field("direction", direction)
374 .field("mode", mode)
375 .finish(),
376 Event::JoinAll => f.write_str("JoinAll"),
377 Event::JoinIntoNext => f.write_str("JoinIntoNext"),
378 Event::ChangeItemTitle => f.write_str("ChangeItemTitle"),
379 Event::Focus => f.write_str("Focus"),
380 Event::ZoomIn => f.write_str("ZoomIn"),
381 Event::ZoomOut => f.write_str("ZoomOut"),
382 Event::UserSavedItem { item, save_intent } => f
383 .debug_struct("UserSavedItem")
384 .field("item", &item.id())
385 .field("save_intent", save_intent)
386 .finish(),
387 Event::ItemPinned => f.write_str("ItemPinned"),
388 Event::ItemUnpinned => f.write_str("ItemUnpinned"),
389 }
390 }
391}
392
393/// A container for 0 to many items that are open in the workspace.
394/// Treats all items uniformly via the [`ItemHandle`] trait, whether it's an editor, search results multibuffer, terminal or something else,
395/// responsible for managing item tabs, focus and zoom states and drag and drop features.
396/// Can be split, see `PaneGroup` for more details.
397pub struct Pane {
398 alternate_file_items: (
399 Option<Box<dyn WeakItemHandle>>,
400 Option<Box<dyn WeakItemHandle>>,
401 ),
402 focus_handle: FocusHandle,
403 items: Vec<Box<dyn ItemHandle>>,
404 activation_history: Vec<ActivationHistoryEntry>,
405 next_activation_timestamp: Arc<AtomicUsize>,
406 zoomed: bool,
407 was_focused: bool,
408 active_item_index: usize,
409 preview_item_id: Option<EntityId>,
410 last_focus_handle_by_item: HashMap<EntityId, WeakFocusHandle>,
411 nav_history: NavHistory,
412 toolbar: Entity<Toolbar>,
413 pub(crate) workspace: WeakEntity<Workspace>,
414 project: WeakEntity<Project>,
415 pub drag_split_direction: Option<SplitDirection>,
416 can_drop_predicate: Option<Arc<dyn Fn(&dyn Any, &mut Window, &mut App) -> bool>>,
417 can_split_predicate:
418 Option<Arc<dyn Fn(&mut Self, &dyn Any, &mut Window, &mut Context<Self>) -> bool>>,
419 can_toggle_zoom: bool,
420 should_display_tab_bar: Rc<dyn Fn(&Window, &mut Context<Pane>) -> bool>,
421 should_display_welcome_page: bool,
422 render_tab_bar_buttons: Rc<
423 dyn Fn(
424 &mut Pane,
425 &mut Window,
426 &mut Context<Pane>,
427 ) -> (Option<AnyElement>, Option<AnyElement>),
428 >,
429 render_tab_bar: Rc<dyn Fn(&mut Pane, &mut Window, &mut Context<Pane>) -> AnyElement>,
430 show_tab_bar_buttons: bool,
431 max_tabs: Option<NonZeroUsize>,
432 use_max_tabs: bool,
433 _subscriptions: Vec<Subscription>,
434 tab_bar_scroll_handle: ScrollHandle,
435 /// This is set to true if a user scroll has occurred more recently than a system scroll
436 /// We want to suppress certain system scrolls when the user has intentionally scrolled
437 suppress_scroll: bool,
438 /// Is None if navigation buttons are permanently turned off (and should not react to setting changes).
439 /// Otherwise, when `display_nav_history_buttons` is Some, it determines whether nav buttons should be displayed.
440 display_nav_history_buttons: Option<bool>,
441 double_click_dispatch_action: Box<dyn Action>,
442 save_modals_spawned: HashSet<EntityId>,
443 close_pane_if_empty: bool,
444 pub new_item_context_menu_handle: PopoverMenuHandle<ContextMenu>,
445 pub split_item_context_menu_handle: PopoverMenuHandle<ContextMenu>,
446 pinned_tab_count: usize,
447 diagnostics: HashMap<ProjectPath, DiagnosticSeverity>,
448 zoom_out_on_close: bool,
449 focus_follows_mouse: FocusFollowsMouse,
450 diagnostic_summary_update: Task<()>,
451 /// If a certain project item wants to get recreated with specific data, it can persist its data before the recreation here.
452 pub project_item_restoration_data: HashMap<ProjectItemKind, Box<dyn Any + Send>>,
453 welcome_page: Option<Entity<crate::welcome::WelcomePage>>,
454
455 pub in_center_group: bool,
456}
457
458pub struct ActivationHistoryEntry {
459 pub entity_id: EntityId,
460 pub timestamp: usize,
461}
462
463#[derive(Clone)]
464pub struct ItemNavHistory {
465 history: NavHistory,
466 item: Arc<dyn WeakItemHandle>,
467}
468
469#[derive(Clone)]
470pub struct NavHistory(Arc<Mutex<NavHistoryState>>);
471
472#[derive(Clone)]
473struct NavHistoryState {
474 mode: NavigationMode,
475 backward_stack: VecDeque<NavigationEntry>,
476 forward_stack: VecDeque<NavigationEntry>,
477 closed_stack: VecDeque<NavigationEntry>,
478 tag_stack: VecDeque<TagStackEntry>,
479 tag_stack_pos: usize,
480 paths_by_item: HashMap<EntityId, (ProjectPath, Option<PathBuf>)>,
481 pane: WeakEntity<Pane>,
482 next_timestamp: Arc<AtomicUsize>,
483 preview_item_id: Option<EntityId>,
484}
485
486#[derive(Debug, Default, Copy, Clone)]
487pub enum NavigationMode {
488 #[default]
489 Normal,
490 GoingBack,
491 GoingForward,
492 ClosingItem,
493 ReopeningClosedItem,
494 Disabled,
495}
496
497#[derive(Debug, Default, Copy, Clone)]
498pub enum TagNavigationMode {
499 #[default]
500 Older,
501 Newer,
502}
503
504#[derive(Clone)]
505pub struct NavigationEntry {
506 pub item: Arc<dyn WeakItemHandle + Send + Sync>,
507 pub data: Option<Arc<dyn Any + Send + Sync>>,
508 pub timestamp: usize,
509 pub is_preview: bool,
510 /// Row position for Neovim-style deduplication. When set, entries with the
511 /// same item and row are considered duplicates and deduplicated.
512 pub row: Option<u32>,
513}
514
515#[derive(Clone)]
516pub struct TagStackEntry {
517 pub origin: NavigationEntry,
518 pub target: NavigationEntry,
519}
520
521#[derive(Clone)]
522pub struct DraggedTab {
523 pub pane: Entity<Pane>,
524 pub item: Box<dyn ItemHandle>,
525 pub ix: usize,
526 pub detail: usize,
527 pub is_active: bool,
528}
529
530impl EventEmitter<Event> for Pane {}
531
532pub enum Side {
533 Left,
534 Right,
535}
536
537#[derive(Copy, Clone)]
538enum PinOperation {
539 Pin,
540 Unpin,
541}
542
543impl Pane {
544 pub fn new(
545 workspace: WeakEntity<Workspace>,
546 project: Entity<Project>,
547 next_timestamp: Arc<AtomicUsize>,
548 can_drop_predicate: Option<Arc<dyn Fn(&dyn Any, &mut Window, &mut App) -> bool + 'static>>,
549 double_click_dispatch_action: Box<dyn Action>,
550 use_max_tabs: bool,
551 window: &mut Window,
552 cx: &mut Context<Self>,
553 ) -> Self {
554 let focus_handle = cx.focus_handle();
555 let max_tabs = if use_max_tabs {
556 WorkspaceSettings::get_global(cx).max_tabs
557 } else {
558 None
559 };
560
561 let subscriptions = vec![
562 cx.on_focus(&focus_handle, window, Pane::focus_in),
563 cx.on_focus_in(&focus_handle, window, Pane::focus_in),
564 cx.on_focus_out(&focus_handle, window, Pane::focus_out),
565 cx.observe_global_in::<SettingsStore>(window, Self::settings_changed),
566 cx.subscribe(&project, Self::project_events),
567 ];
568
569 let handle = cx.entity().downgrade();
570
571 Self {
572 alternate_file_items: (None, None),
573 focus_handle,
574 items: Vec::new(),
575 activation_history: Vec::new(),
576 next_activation_timestamp: next_timestamp.clone(),
577 was_focused: false,
578 zoomed: false,
579 active_item_index: 0,
580 preview_item_id: None,
581 max_tabs,
582 use_max_tabs,
583 last_focus_handle_by_item: Default::default(),
584 nav_history: NavHistory(Arc::new(Mutex::new(NavHistoryState {
585 mode: NavigationMode::Normal,
586 backward_stack: Default::default(),
587 forward_stack: Default::default(),
588 closed_stack: Default::default(),
589 tag_stack: Default::default(),
590 tag_stack_pos: Default::default(),
591 paths_by_item: Default::default(),
592 pane: handle,
593 next_timestamp,
594 preview_item_id: None,
595 }))),
596 toolbar: cx.new(|_| Toolbar::new()),
597 tab_bar_scroll_handle: ScrollHandle::new(),
598 suppress_scroll: false,
599 drag_split_direction: None,
600 workspace,
601 project: project.downgrade(),
602 can_drop_predicate,
603 can_split_predicate: None,
604 can_toggle_zoom: true,
605 should_display_tab_bar: Rc::new(|_, cx| TabBarSettings::get_global(cx).show),
606 should_display_welcome_page: false,
607 render_tab_bar_buttons: Rc::new(default_render_tab_bar_buttons),
608 render_tab_bar: Rc::new(Self::render_tab_bar),
609 show_tab_bar_buttons: TabBarSettings::get_global(cx).show_tab_bar_buttons,
610 display_nav_history_buttons: Some(
611 TabBarSettings::get_global(cx).show_nav_history_buttons,
612 ),
613 _subscriptions: subscriptions,
614 double_click_dispatch_action,
615 save_modals_spawned: HashSet::default(),
616 close_pane_if_empty: true,
617 split_item_context_menu_handle: Default::default(),
618 new_item_context_menu_handle: Default::default(),
619 pinned_tab_count: 0,
620 diagnostics: Default::default(),
621 zoom_out_on_close: true,
622 focus_follows_mouse: WorkspaceSettings::get_global(cx).focus_follows_mouse,
623 diagnostic_summary_update: Task::ready(()),
624 project_item_restoration_data: HashMap::default(),
625 welcome_page: None,
626 in_center_group: false,
627 }
628 }
629
630 fn alternate_file(&mut self, _: &AlternateFile, window: &mut Window, cx: &mut Context<Pane>) {
631 let (_, alternative) = &self.alternate_file_items;
632 if let Some(alternative) = alternative {
633 let existing = self
634 .items()
635 .find_position(|item| item.item_id() == alternative.id());
636 if let Some((ix, _)) = existing {
637 self.activate_item(ix, true, true, window, cx);
638 } else if let Some(upgraded) = alternative.upgrade() {
639 self.add_item(upgraded, true, true, None, window, cx);
640 }
641 }
642 }
643
644 pub fn track_alternate_file_items(&mut self) {
645 if let Some(item) = self.active_item().map(|item| item.downgrade_item()) {
646 let (current, _) = &self.alternate_file_items;
647 match current {
648 Some(current) => {
649 if current.id() != item.id() {
650 self.alternate_file_items =
651 (Some(item), self.alternate_file_items.0.take());
652 }
653 }
654 None => {
655 self.alternate_file_items = (Some(item), None);
656 }
657 }
658 }
659 }
660
661 pub fn has_focus(&self, window: &Window, cx: &App) -> bool {
662 // We not only check whether our focus handle contains focus, but also
663 // whether the active item might have focus, because we might have just activated an item
664 // that hasn't rendered yet.
665 // Before the next render, we might transfer focus
666 // to the item, and `focus_handle.contains_focus` returns false because the `active_item`
667 // is not hooked up to us in the dispatch tree.
668 self.focus_handle.contains_focused(window, cx)
669 || self
670 .active_item()
671 .is_some_and(|item| item.item_focus_handle(cx).contains_focused(window, cx))
672 }
673
674 fn focus_in(&mut self, window: &mut Window, cx: &mut Context<Self>) {
675 if !self.was_focused {
676 self.was_focused = true;
677 self.update_history(self.active_item_index);
678 if !self.suppress_scroll && self.items.get(self.active_item_index).is_some() {
679 self.update_active_tab(self.active_item_index);
680 }
681 cx.emit(Event::Focus);
682 cx.notify();
683 }
684
685 self.toolbar.update(cx, |toolbar, cx| {
686 toolbar.focus_changed(true, window, cx);
687 });
688
689 if let Some(active_item) = self.active_item() {
690 if self.focus_handle.is_focused(window) {
691 // Schedule a redraw next frame, so that the focus changes below take effect
692 cx.on_next_frame(window, |_, _, cx| {
693 cx.notify();
694 });
695
696 // Pane was focused directly. We need to either focus a view inside the active item,
697 // or focus the active item itself
698 if let Some(weak_last_focus_handle) =
699 self.last_focus_handle_by_item.get(&active_item.item_id())
700 && let Some(focus_handle) = weak_last_focus_handle.upgrade()
701 {
702 focus_handle.focus(window, cx);
703 return;
704 }
705
706 active_item.item_focus_handle(cx).focus(window, cx);
707 } else if let Some(focused) = window.focused(cx)
708 && !self.context_menu_focused(window, cx)
709 {
710 self.last_focus_handle_by_item
711 .insert(active_item.item_id(), focused.downgrade());
712 }
713 } else if self.should_display_welcome_page
714 && let Some(welcome_page) = self.welcome_page.as_ref()
715 {
716 if self.focus_handle.is_focused(window) {
717 welcome_page.read(cx).focus_handle(cx).focus(window, cx);
718 }
719 }
720 }
721
722 pub fn context_menu_focused(&self, window: &mut Window, cx: &mut Context<Self>) -> bool {
723 self.new_item_context_menu_handle.is_focused(window, cx)
724 || self.split_item_context_menu_handle.is_focused(window, cx)
725 }
726
727 fn focus_out(&mut self, _event: FocusOutEvent, window: &mut Window, cx: &mut Context<Self>) {
728 self.was_focused = false;
729 self.toolbar.update(cx, |toolbar, cx| {
730 toolbar.focus_changed(false, window, cx);
731 });
732
733 cx.notify();
734 }
735
736 fn project_events(
737 &mut self,
738 _project: Entity<Project>,
739 event: &project::Event,
740 cx: &mut Context<Self>,
741 ) {
742 match event {
743 project::Event::DiskBasedDiagnosticsFinished { .. }
744 | project::Event::DiagnosticsUpdated { .. } => {
745 if ItemSettings::get_global(cx).show_diagnostics != ShowDiagnostics::Off {
746 self.diagnostic_summary_update = cx.spawn(async move |this, cx| {
747 cx.background_executor()
748 .timer(Duration::from_millis(30))
749 .await;
750 this.update(cx, |this, cx| {
751 this.update_diagnostics(cx);
752 cx.notify();
753 })
754 .log_err();
755 });
756 }
757 }
758 _ => {}
759 }
760 }
761
762 fn update_diagnostics(&mut self, cx: &mut Context<Self>) {
763 let Some(project) = self.project.upgrade() else {
764 return;
765 };
766 let show_diagnostics = ItemSettings::get_global(cx).show_diagnostics;
767 self.diagnostics = if show_diagnostics != ShowDiagnostics::Off {
768 project
769 .read(cx)
770 .diagnostic_summaries(false, cx)
771 .filter_map(|(project_path, _, diagnostic_summary)| {
772 if diagnostic_summary.error_count > 0 {
773 Some((project_path, DiagnosticSeverity::ERROR))
774 } else if diagnostic_summary.warning_count > 0
775 && show_diagnostics != ShowDiagnostics::Errors
776 {
777 Some((project_path, DiagnosticSeverity::WARNING))
778 } else {
779 None
780 }
781 })
782 .collect()
783 } else {
784 HashMap::default()
785 }
786 }
787
788 fn settings_changed(&mut self, window: &mut Window, cx: &mut Context<Self>) {
789 let tab_bar_settings = TabBarSettings::get_global(cx);
790
791 if let Some(display_nav_history_buttons) = self.display_nav_history_buttons.as_mut() {
792 *display_nav_history_buttons = tab_bar_settings.show_nav_history_buttons;
793 }
794
795 self.show_tab_bar_buttons = tab_bar_settings.show_tab_bar_buttons;
796
797 if !PreviewTabsSettings::get_global(cx).enabled {
798 self.preview_item_id = None;
799 self.nav_history.0.lock().preview_item_id = None;
800 }
801
802 let workspace_settings = WorkspaceSettings::get_global(cx);
803
804 self.focus_follows_mouse = workspace_settings.focus_follows_mouse;
805
806 let new_max_tabs = workspace_settings.max_tabs;
807
808 if self.use_max_tabs && new_max_tabs != self.max_tabs {
809 self.max_tabs = new_max_tabs;
810 self.close_items_on_settings_change(window, cx);
811 }
812
813 self.update_diagnostics(cx);
814 cx.notify();
815 }
816
817 pub fn active_item_index(&self) -> usize {
818 self.active_item_index
819 }
820
821 pub fn is_active_item_pinned(&self) -> bool {
822 self.is_tab_pinned(self.active_item_index)
823 }
824
825 pub fn activation_history(&self) -> &[ActivationHistoryEntry] {
826 &self.activation_history
827 }
828
829 pub fn set_should_display_tab_bar<F>(&mut self, should_display_tab_bar: F)
830 where
831 F: 'static + Fn(&Window, &mut Context<Pane>) -> bool,
832 {
833 self.should_display_tab_bar = Rc::new(should_display_tab_bar);
834 }
835
836 pub fn set_should_display_welcome_page(&mut self, should_display_welcome_page: bool) {
837 self.should_display_welcome_page = should_display_welcome_page;
838 }
839
840 pub fn set_can_split(
841 &mut self,
842 can_split_predicate: Option<
843 Arc<dyn Fn(&mut Self, &dyn Any, &mut Window, &mut Context<Self>) -> bool + 'static>,
844 >,
845 ) {
846 self.can_split_predicate = can_split_predicate;
847 }
848
849 pub fn set_can_toggle_zoom(&mut self, can_toggle_zoom: bool, cx: &mut Context<Self>) {
850 self.can_toggle_zoom = can_toggle_zoom;
851 cx.notify();
852 }
853
854 pub fn set_close_pane_if_empty(&mut self, close_pane_if_empty: bool, cx: &mut Context<Self>) {
855 self.close_pane_if_empty = close_pane_if_empty;
856 cx.notify();
857 }
858
859 pub fn set_can_navigate(&mut self, can_navigate: bool, cx: &mut Context<Self>) {
860 self.toolbar.update(cx, |toolbar, cx| {
861 toolbar.set_can_navigate(can_navigate, cx);
862 });
863 cx.notify();
864 }
865
866 pub fn set_render_tab_bar<F>(&mut self, cx: &mut Context<Self>, render: F)
867 where
868 F: 'static + Fn(&mut Pane, &mut Window, &mut Context<Pane>) -> AnyElement,
869 {
870 self.render_tab_bar = Rc::new(render);
871 cx.notify();
872 }
873
874 pub fn set_render_tab_bar_buttons<F>(&mut self, cx: &mut Context<Self>, render: F)
875 where
876 F: 'static
877 + Fn(
878 &mut Pane,
879 &mut Window,
880 &mut Context<Pane>,
881 ) -> (Option<AnyElement>, Option<AnyElement>),
882 {
883 self.render_tab_bar_buttons = Rc::new(render);
884 cx.notify();
885 }
886
887 pub fn nav_history_for_item<T: Item>(&self, item: &Entity<T>) -> ItemNavHistory {
888 ItemNavHistory {
889 history: self.nav_history.clone(),
890 item: Arc::new(item.downgrade()),
891 }
892 }
893
894 pub fn nav_history(&self) -> &NavHistory {
895 &self.nav_history
896 }
897
898 pub fn nav_history_mut(&mut self) -> &mut NavHistory {
899 &mut self.nav_history
900 }
901
902 pub fn fork_nav_history(&self) -> NavHistory {
903 let history = self.nav_history.0.lock().clone();
904 NavHistory(Arc::new(Mutex::new(history)))
905 }
906
907 pub fn set_nav_history(&mut self, history: NavHistory, cx: &Context<Self>) {
908 self.nav_history = history;
909 self.nav_history().0.lock().pane = cx.entity().downgrade();
910 }
911
912 pub fn disable_history(&mut self) {
913 self.nav_history.disable();
914 }
915
916 pub fn enable_history(&mut self) {
917 self.nav_history.enable();
918 }
919
920 pub fn can_navigate_backward(&self) -> bool {
921 !self.nav_history.0.lock().backward_stack.is_empty()
922 }
923
924 pub fn can_navigate_forward(&self) -> bool {
925 !self.nav_history.0.lock().forward_stack.is_empty()
926 }
927
928 pub fn navigate_backward(&mut self, _: &GoBack, window: &mut Window, cx: &mut Context<Self>) {
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.go_back(pane, window, cx).detach_and_log_err(cx)
934 })
935 })
936 }
937 }
938
939 fn navigate_forward(&mut self, _: &GoForward, window: &mut Window, cx: &mut Context<Self>) {
940 if let Some(workspace) = self.workspace.upgrade() {
941 let pane = cx.entity().downgrade();
942 window.defer(cx, move |window, cx| {
943 workspace.update(cx, |workspace, cx| {
944 workspace
945 .go_forward(pane, window, cx)
946 .detach_and_log_err(cx)
947 })
948 })
949 }
950 }
951
952 pub fn go_to_older_tag(
953 &mut self,
954 _: &GoToOlderTag,
955 window: &mut Window,
956 cx: &mut Context<Self>,
957 ) {
958 if let Some(workspace) = self.workspace.upgrade() {
959 let pane = cx.entity().downgrade();
960 window.defer(cx, move |window, cx| {
961 workspace.update(cx, |workspace, cx| {
962 workspace
963 .navigate_tag_history(pane, TagNavigationMode::Older, window, cx)
964 .detach_and_log_err(cx)
965 })
966 })
967 }
968 }
969
970 pub fn go_to_newer_tag(
971 &mut self,
972 _: &GoToNewerTag,
973 window: &mut Window,
974 cx: &mut Context<Self>,
975 ) {
976 if let Some(workspace) = self.workspace.upgrade() {
977 let pane = cx.entity().downgrade();
978 window.defer(cx, move |window, cx| {
979 workspace.update(cx, |workspace, cx| {
980 workspace
981 .navigate_tag_history(pane, TagNavigationMode::Newer, window, cx)
982 .detach_and_log_err(cx)
983 })
984 })
985 }
986 }
987
988 fn history_updated(&mut self, cx: &mut Context<Self>) {
989 self.toolbar.update(cx, |_, cx| cx.notify());
990 }
991
992 pub fn preview_item_id(&self) -> Option<EntityId> {
993 self.preview_item_id
994 }
995
996 pub fn preview_item(&self) -> Option<Box<dyn ItemHandle>> {
997 self.preview_item_id
998 .and_then(|id| self.items.iter().find(|item| item.item_id() == id))
999 .cloned()
1000 }
1001
1002 pub fn preview_item_idx(&self) -> Option<usize> {
1003 if let Some(preview_item_id) = self.preview_item_id {
1004 self.items
1005 .iter()
1006 .position(|item| item.item_id() == preview_item_id)
1007 } else {
1008 None
1009 }
1010 }
1011
1012 pub fn is_active_preview_item(&self, item_id: EntityId) -> bool {
1013 self.preview_item_id == Some(item_id)
1014 }
1015
1016 /// Promotes the item with the given ID to not be a preview item.
1017 /// This does nothing if it wasn't already a preview item.
1018 pub fn unpreview_item_if_preview(&mut self, item_id: EntityId) {
1019 if self.is_active_preview_item(item_id) {
1020 self.preview_item_id = None;
1021 self.nav_history.0.lock().preview_item_id = None;
1022 }
1023 }
1024
1025 /// Marks the item with the given ID as the preview item.
1026 /// This will be ignored if the global setting `preview_tabs` is disabled.
1027 ///
1028 /// The old preview item (if there was one) is closed and its index is returned.
1029 pub fn replace_preview_item_id(
1030 &mut self,
1031 item_id: EntityId,
1032 window: &mut Window,
1033 cx: &mut Context<Self>,
1034 ) -> Option<usize> {
1035 let idx = self.close_current_preview_item(window, cx);
1036 self.set_preview_item_id(Some(item_id), cx);
1037 idx
1038 }
1039
1040 /// Marks the item with the given ID as the preview item.
1041 /// This will be ignored if the global setting `preview_tabs` is disabled.
1042 ///
1043 /// This is a low-level method. Prefer `unpreview_item_if_preview()` or `set_new_preview_item()`.
1044 pub(crate) fn set_preview_item_id(&mut self, item_id: Option<EntityId>, cx: &App) {
1045 if item_id.is_none() || PreviewTabsSettings::get_global(cx).enabled {
1046 self.preview_item_id = item_id;
1047 self.nav_history.0.lock().preview_item_id = item_id;
1048 }
1049 }
1050
1051 /// Should only be used when deserializing a pane.
1052 pub fn set_pinned_count(&mut self, count: usize) {
1053 self.pinned_tab_count = count;
1054 }
1055
1056 pub fn pinned_count(&self) -> usize {
1057 self.pinned_tab_count
1058 }
1059
1060 pub fn handle_item_edit(&mut self, item_id: EntityId, cx: &App) {
1061 if let Some(preview_item) = self.preview_item()
1062 && preview_item.item_id() == item_id
1063 && !preview_item.preserve_preview(cx)
1064 {
1065 self.unpreview_item_if_preview(item_id);
1066 }
1067 }
1068
1069 pub(crate) fn open_item(
1070 &mut self,
1071 project_entry_id: Option<ProjectEntryId>,
1072 project_path: ProjectPath,
1073 focus_item: bool,
1074 allow_preview: bool,
1075 activate: bool,
1076 suggested_position: Option<usize>,
1077 window: &mut Window,
1078 cx: &mut Context<Self>,
1079 build_item: WorkspaceItemBuilder,
1080 ) -> Box<dyn ItemHandle> {
1081 let mut existing_item = None;
1082 if let Some(project_entry_id) = project_entry_id {
1083 for (index, item) in self.items.iter().enumerate() {
1084 if item.buffer_kind(cx) == ItemBufferKind::Singleton
1085 && item.project_entry_ids(cx).as_slice() == [project_entry_id]
1086 {
1087 let item = item.boxed_clone();
1088 existing_item = Some((index, item));
1089 break;
1090 }
1091 }
1092 } else {
1093 for (index, item) in self.items.iter().enumerate() {
1094 if item.buffer_kind(cx) == ItemBufferKind::Singleton
1095 && item.project_path(cx).as_ref() == Some(&project_path)
1096 {
1097 let item = item.boxed_clone();
1098 existing_item = Some((index, item));
1099 break;
1100 }
1101 }
1102 }
1103
1104 let preview_was_active = self.preview_item_idx() == Some(self.active_item_index);
1105
1106 let set_up_existing_item =
1107 |index: usize, pane: &mut Self, window: &mut Window, cx: &mut Context<Self>| {
1108 if !allow_preview && let Some(item) = pane.items.get(index) {
1109 pane.unpreview_item_if_preview(item.item_id());
1110 }
1111 if activate {
1112 pane.activate_item(index, focus_item, focus_item, window, cx);
1113 }
1114 };
1115 let set_up_new_item = |new_item: Box<dyn ItemHandle>,
1116 destination_index: Option<usize>,
1117 pane: &mut Self,
1118 window: &mut Window,
1119 cx: &mut Context<Self>| {
1120 let new_item_id = new_item.item_id();
1121
1122 if allow_preview && preview_was_active {
1123 pane.set_preview_item_id(Some(new_item_id), cx);
1124 }
1125
1126 if let Some(text) = new_item.telemetry_event_text(cx) {
1127 telemetry::event!(text);
1128 }
1129
1130 pane.add_item_inner(
1131 new_item,
1132 true,
1133 focus_item,
1134 activate,
1135 destination_index,
1136 window,
1137 cx,
1138 );
1139
1140 if allow_preview && !preview_was_active {
1141 pane.set_preview_item_id(Some(new_item_id), cx);
1142 }
1143 };
1144
1145 if let Some((index, existing_item)) = existing_item {
1146 set_up_existing_item(index, self, window, cx);
1147 existing_item
1148 } else {
1149 // If the item is being opened as preview and we have an existing preview tab,
1150 // open the new item in the position of the existing preview tab.
1151 let destination_index = if allow_preview {
1152 self.close_current_preview_item(window, cx)
1153 } else {
1154 suggested_position
1155 };
1156
1157 let new_item = build_item(self, window, cx);
1158 // A special case that won't ever get a `project_entry_id` but has to be deduplicated nonetheless.
1159 if let Some(invalid_buffer_view) = new_item.downcast::<InvalidItemView>() {
1160 let mut already_open_view = None;
1161 let mut views_to_close = HashSet::default();
1162 for existing_error_view in self
1163 .items_of_type::<InvalidItemView>()
1164 .filter(|item| item.read(cx).abs_path == invalid_buffer_view.read(cx).abs_path)
1165 {
1166 if already_open_view.is_none()
1167 && existing_error_view.read(cx).error == invalid_buffer_view.read(cx).error
1168 {
1169 already_open_view = Some(existing_error_view);
1170 } else {
1171 views_to_close.insert(existing_error_view.item_id());
1172 }
1173 }
1174
1175 let resulting_item = match already_open_view {
1176 Some(already_open_view) => {
1177 if let Some(index) = self.index_for_item_id(already_open_view.item_id()) {
1178 set_up_existing_item(index, self, window, cx);
1179 }
1180 Box::new(already_open_view) as Box<_>
1181 }
1182 None => {
1183 set_up_new_item(new_item.clone(), destination_index, self, window, cx);
1184 new_item
1185 }
1186 };
1187
1188 self.close_items(window, cx, SaveIntent::Skip, &|existing_item| {
1189 views_to_close.contains(&existing_item)
1190 })
1191 .detach();
1192
1193 resulting_item
1194 } else {
1195 set_up_new_item(new_item.clone(), destination_index, self, window, cx);
1196 new_item
1197 }
1198 }
1199 }
1200
1201 pub fn close_current_preview_item(
1202 &mut self,
1203 window: &mut Window,
1204 cx: &mut Context<Self>,
1205 ) -> Option<usize> {
1206 let item_idx = self.preview_item_idx()?;
1207 let id = self.preview_item_id()?;
1208 self.preview_item_id = None;
1209
1210 let prev_active_item_index = self.active_item_index;
1211 self.remove_item(id, false, false, window, cx);
1212 self.active_item_index = prev_active_item_index;
1213 if item_idx < prev_active_item_index {
1214 self.active_item_index -= 1;
1215 }
1216 self.nav_history.0.lock().preview_item_id = None;
1217
1218 if item_idx < self.items.len() {
1219 Some(item_idx)
1220 } else {
1221 None
1222 }
1223 }
1224
1225 pub fn add_item_inner(
1226 &mut self,
1227 item: Box<dyn ItemHandle>,
1228 activate_pane: bool,
1229 focus_item: bool,
1230 activate: bool,
1231 destination_index: Option<usize>,
1232 window: &mut Window,
1233 cx: &mut Context<Self>,
1234 ) {
1235 let item_already_exists = self
1236 .items
1237 .iter()
1238 .any(|existing_item| existing_item.item_id() == item.item_id());
1239
1240 if !item_already_exists {
1241 self.close_items_on_item_open(window, cx);
1242 }
1243
1244 if item.buffer_kind(cx) == ItemBufferKind::Singleton
1245 && let Some(&entry_id) = item.project_entry_ids(cx).first()
1246 {
1247 let Some(project) = self.project.upgrade() else {
1248 return;
1249 };
1250
1251 let project = project.read(cx);
1252 if let Some(project_path) = project.path_for_entry(entry_id, cx) {
1253 let abs_path = project.absolute_path(&project_path, cx);
1254 self.nav_history
1255 .0
1256 .lock()
1257 .paths_by_item
1258 .insert(item.item_id(), (project_path, abs_path));
1259 }
1260 }
1261 // If no destination index is specified, add or move the item after the
1262 // active item (or at the start of tab bar, if the active item is pinned)
1263 let mut insertion_index = {
1264 cmp::min(
1265 if let Some(destination_index) = destination_index {
1266 destination_index
1267 } else {
1268 cmp::max(self.active_item_index + 1, self.pinned_count())
1269 },
1270 self.items.len(),
1271 )
1272 };
1273
1274 // Does the item already exist?
1275 let project_entry_id = if item.buffer_kind(cx) == ItemBufferKind::Singleton {
1276 item.project_entry_ids(cx).first().copied()
1277 } else {
1278 None
1279 };
1280
1281 let existing_item_index = self.items.iter().position(|existing_item| {
1282 if existing_item.item_id() == item.item_id() {
1283 true
1284 } else if existing_item.buffer_kind(cx) == ItemBufferKind::Singleton {
1285 existing_item
1286 .project_entry_ids(cx)
1287 .first()
1288 .is_some_and(|existing_entry_id| {
1289 Some(existing_entry_id) == project_entry_id.as_ref()
1290 })
1291 } else {
1292 false
1293 }
1294 });
1295 if let Some(existing_item_index) = existing_item_index {
1296 // If the item already exists, move it to the desired destination and activate it
1297
1298 if existing_item_index != insertion_index {
1299 let existing_item_is_active = existing_item_index == self.active_item_index;
1300
1301 // If the caller didn't specify a destination and the added item is already
1302 // the active one, don't move it
1303 if existing_item_is_active && destination_index.is_none() {
1304 insertion_index = existing_item_index;
1305 } else {
1306 self.items.remove(existing_item_index);
1307 if existing_item_index < self.active_item_index {
1308 self.active_item_index -= 1;
1309 }
1310 insertion_index = insertion_index.min(self.items.len());
1311
1312 self.items.insert(insertion_index, item.clone());
1313
1314 if existing_item_is_active {
1315 self.active_item_index = insertion_index;
1316 } else if insertion_index <= self.active_item_index {
1317 self.active_item_index += 1;
1318 }
1319 }
1320
1321 cx.notify();
1322 }
1323
1324 if activate {
1325 self.activate_item(insertion_index, activate_pane, focus_item, window, cx);
1326 }
1327 } else {
1328 self.items.insert(insertion_index, item.clone());
1329 cx.notify();
1330
1331 if activate {
1332 if insertion_index <= self.active_item_index
1333 && self.preview_item_idx() != Some(self.active_item_index)
1334 {
1335 self.active_item_index += 1;
1336 }
1337
1338 self.activate_item(insertion_index, activate_pane, focus_item, window, cx);
1339 }
1340 }
1341
1342 cx.emit(Event::AddItem { item });
1343 }
1344
1345 pub fn add_item(
1346 &mut self,
1347 item: Box<dyn ItemHandle>,
1348 activate_pane: bool,
1349 focus_item: bool,
1350 destination_index: Option<usize>,
1351 window: &mut Window,
1352 cx: &mut Context<Self>,
1353 ) {
1354 if let Some(text) = item.telemetry_event_text(cx) {
1355 telemetry::event!(text);
1356 }
1357
1358 self.add_item_inner(
1359 item,
1360 activate_pane,
1361 focus_item,
1362 true,
1363 destination_index,
1364 window,
1365 cx,
1366 )
1367 }
1368
1369 pub fn items_len(&self) -> usize {
1370 self.items.len()
1371 }
1372
1373 pub fn items(&self) -> impl DoubleEndedIterator<Item = &Box<dyn ItemHandle>> {
1374 self.items.iter()
1375 }
1376
1377 pub fn items_of_type<T: Render>(&self) -> impl '_ + Iterator<Item = Entity<T>> {
1378 self.items
1379 .iter()
1380 .filter_map(|item| item.to_any_view().downcast().ok())
1381 }
1382
1383 pub fn active_item(&self) -> Option<Box<dyn ItemHandle>> {
1384 self.items.get(self.active_item_index).cloned()
1385 }
1386
1387 fn active_item_id(&self) -> EntityId {
1388 self.items[self.active_item_index].item_id()
1389 }
1390
1391 pub fn pixel_position_of_cursor(&self, cx: &App) -> Option<Point<Pixels>> {
1392 self.items
1393 .get(self.active_item_index)?
1394 .pixel_position_of_cursor(cx)
1395 }
1396
1397 pub fn item_for_entry(
1398 &self,
1399 entry_id: ProjectEntryId,
1400 cx: &App,
1401 ) -> Option<Box<dyn ItemHandle>> {
1402 self.items.iter().find_map(|item| {
1403 if item.buffer_kind(cx) == ItemBufferKind::Singleton
1404 && (item.project_entry_ids(cx).as_slice() == [entry_id])
1405 {
1406 Some(item.boxed_clone())
1407 } else {
1408 None
1409 }
1410 })
1411 }
1412
1413 pub fn item_for_path(
1414 &self,
1415 project_path: ProjectPath,
1416 cx: &App,
1417 ) -> Option<Box<dyn ItemHandle>> {
1418 self.items.iter().find_map(move |item| {
1419 if item.buffer_kind(cx) == ItemBufferKind::Singleton
1420 && (item.project_path(cx).as_slice() == [project_path.clone()])
1421 {
1422 Some(item.boxed_clone())
1423 } else {
1424 None
1425 }
1426 })
1427 }
1428
1429 pub fn index_for_item(&self, item: &dyn ItemHandle) -> Option<usize> {
1430 self.index_for_item_id(item.item_id())
1431 }
1432
1433 fn index_for_item_id(&self, item_id: EntityId) -> Option<usize> {
1434 self.items.iter().position(|i| i.item_id() == item_id)
1435 }
1436
1437 pub fn item_for_index(&self, ix: usize) -> Option<&dyn ItemHandle> {
1438 self.items.get(ix).map(|i| i.as_ref())
1439 }
1440
1441 pub fn toggle_zoom(&mut self, _: &ToggleZoom, window: &mut Window, cx: &mut Context<Self>) {
1442 if !self.can_toggle_zoom {
1443 cx.propagate();
1444 } else if self.zoomed {
1445 cx.emit(Event::ZoomOut);
1446 } else if !self.items.is_empty() {
1447 if !self.focus_handle.contains_focused(window, cx) {
1448 cx.focus_self(window);
1449 }
1450 cx.emit(Event::ZoomIn);
1451 }
1452 }
1453
1454 pub fn zoom_in(&mut self, _: &ZoomIn, window: &mut Window, cx: &mut Context<Self>) {
1455 if !self.can_toggle_zoom {
1456 cx.propagate();
1457 } else if !self.zoomed && !self.items.is_empty() {
1458 if !self.focus_handle.contains_focused(window, cx) {
1459 cx.focus_self(window);
1460 }
1461 cx.emit(Event::ZoomIn);
1462 }
1463 }
1464
1465 pub fn zoom_out(&mut self, _: &ZoomOut, _window: &mut Window, cx: &mut Context<Self>) {
1466 if !self.can_toggle_zoom {
1467 cx.propagate();
1468 } else if self.zoomed {
1469 cx.emit(Event::ZoomOut);
1470 }
1471 }
1472
1473 pub fn activate_item(
1474 &mut self,
1475 index: usize,
1476 activate_pane: bool,
1477 focus_item: bool,
1478 window: &mut Window,
1479 cx: &mut Context<Self>,
1480 ) {
1481 use NavigationMode::{GoingBack, GoingForward};
1482 if index < self.items.len() {
1483 let prev_active_item_ix = mem::replace(&mut self.active_item_index, index);
1484 if (prev_active_item_ix != self.active_item_index
1485 || matches!(self.nav_history.mode(), GoingBack | GoingForward))
1486 && let Some(prev_item) = self.items.get(prev_active_item_ix)
1487 {
1488 prev_item.deactivated(window, cx);
1489 }
1490 self.update_history(index);
1491 self.update_toolbar(window, cx);
1492 self.update_status_bar(window, cx);
1493
1494 if focus_item {
1495 self.focus_active_item(window, cx);
1496 }
1497
1498 cx.emit(Event::ActivateItem {
1499 local: activate_pane,
1500 focus_changed: focus_item,
1501 });
1502
1503 self.update_active_tab(index);
1504 cx.notify();
1505 }
1506 }
1507
1508 fn update_active_tab(&mut self, index: usize) {
1509 if !self.is_tab_pinned(index) {
1510 self.suppress_scroll = false;
1511 self.tab_bar_scroll_handle
1512 .scroll_to_item(index - self.pinned_tab_count);
1513 }
1514 }
1515
1516 fn update_history(&mut self, index: usize) {
1517 if let Some(newly_active_item) = self.items.get(index) {
1518 self.activation_history
1519 .retain(|entry| entry.entity_id != newly_active_item.item_id());
1520 self.activation_history.push(ActivationHistoryEntry {
1521 entity_id: newly_active_item.item_id(),
1522 timestamp: self
1523 .next_activation_timestamp
1524 .fetch_add(1, Ordering::SeqCst),
1525 });
1526 }
1527 }
1528
1529 pub fn activate_previous_item(
1530 &mut self,
1531 action: &ActivatePreviousItem,
1532 window: &mut Window,
1533 cx: &mut Context<Self>,
1534 ) {
1535 let mut index = self.active_item_index;
1536 if index > 0 {
1537 index -= 1;
1538 } else if action.wrap_around && !self.items.is_empty() {
1539 index = self.items.len() - 1;
1540 }
1541 self.activate_item(index, true, true, window, cx);
1542 }
1543
1544 pub fn activate_next_item(
1545 &mut self,
1546 action: &ActivateNextItem,
1547 window: &mut Window,
1548 cx: &mut Context<Self>,
1549 ) {
1550 let mut index = self.active_item_index;
1551 if index + 1 < self.items.len() {
1552 index += 1;
1553 } else if action.wrap_around {
1554 index = 0;
1555 }
1556 self.activate_item(index, true, true, window, cx);
1557 }
1558
1559 pub fn swap_item_left(
1560 &mut self,
1561 _: &SwapItemLeft,
1562 window: &mut Window,
1563 cx: &mut Context<Self>,
1564 ) {
1565 let index = self.active_item_index;
1566 if index == 0 {
1567 return;
1568 }
1569
1570 self.items.swap(index, index - 1);
1571 self.activate_item(index - 1, true, true, window, cx);
1572 }
1573
1574 pub fn swap_item_right(
1575 &mut self,
1576 _: &SwapItemRight,
1577 window: &mut Window,
1578 cx: &mut Context<Self>,
1579 ) {
1580 let index = self.active_item_index;
1581 if index + 1 >= self.items.len() {
1582 return;
1583 }
1584
1585 self.items.swap(index, index + 1);
1586 self.activate_item(index + 1, true, true, window, cx);
1587 }
1588
1589 pub fn activate_last_item(
1590 &mut self,
1591 _: &ActivateLastItem,
1592 window: &mut Window,
1593 cx: &mut Context<Self>,
1594 ) {
1595 let index = self.items.len().saturating_sub(1);
1596 self.activate_item(index, true, true, window, cx);
1597 }
1598
1599 pub fn close_active_item(
1600 &mut self,
1601 action: &CloseActiveItem,
1602 window: &mut Window,
1603 cx: &mut Context<Self>,
1604 ) -> Task<Result<()>> {
1605 if self.items.is_empty() {
1606 // Close the window when there's no active items to close, if configured
1607 if WorkspaceSettings::get_global(cx)
1608 .when_closing_with_no_tabs
1609 .should_close()
1610 {
1611 window.dispatch_action(Box::new(CloseWindow), cx);
1612 }
1613
1614 return Task::ready(Ok(()));
1615 }
1616 if self.is_tab_pinned(self.active_item_index) && !action.close_pinned {
1617 // Activate any non-pinned tab in same pane
1618 let non_pinned_tab_index = self
1619 .items()
1620 .enumerate()
1621 .find(|(index, _item)| !self.is_tab_pinned(*index))
1622 .map(|(index, _item)| index);
1623 if let Some(index) = non_pinned_tab_index {
1624 self.activate_item(index, false, false, window, cx);
1625 return Task::ready(Ok(()));
1626 }
1627
1628 // Activate any non-pinned tab in different pane
1629 let current_pane = cx.entity();
1630 self.workspace
1631 .update(cx, |workspace, cx| {
1632 let panes = workspace.center.panes();
1633 let pane_with_unpinned_tab = panes.iter().find(|pane| {
1634 if **pane == ¤t_pane {
1635 return false;
1636 }
1637 pane.read(cx).has_unpinned_tabs()
1638 });
1639 if let Some(pane) = pane_with_unpinned_tab {
1640 pane.update(cx, |pane, cx| pane.activate_unpinned_tab(window, cx));
1641 }
1642 })
1643 .ok();
1644
1645 return Task::ready(Ok(()));
1646 };
1647
1648 let active_item_id = self.active_item_id();
1649
1650 self.close_item_by_id(
1651 active_item_id,
1652 action.save_intent.unwrap_or(SaveIntent::Close),
1653 window,
1654 cx,
1655 )
1656 }
1657
1658 pub fn close_item_by_id(
1659 &mut self,
1660 item_id_to_close: EntityId,
1661 save_intent: SaveIntent,
1662 window: &mut Window,
1663 cx: &mut Context<Self>,
1664 ) -> Task<Result<()>> {
1665 self.close_items(window, cx, save_intent, &move |view_id| {
1666 view_id == item_id_to_close
1667 })
1668 }
1669
1670 pub fn close_items_for_project_path(
1671 &mut self,
1672 project_path: &ProjectPath,
1673 save_intent: SaveIntent,
1674 close_pinned: bool,
1675 window: &mut Window,
1676 cx: &mut Context<Self>,
1677 ) -> Task<Result<()>> {
1678 let pinned_item_ids = self.pinned_item_ids();
1679 let matching_item_ids: Vec<_> = self
1680 .items()
1681 .filter(|item| item.project_path(cx).as_ref() == Some(project_path))
1682 .map(|item| item.item_id())
1683 .collect();
1684 self.close_items(window, cx, save_intent, &move |item_id| {
1685 matching_item_ids.contains(&item_id)
1686 && (close_pinned || !pinned_item_ids.contains(&item_id))
1687 })
1688 }
1689
1690 pub fn close_other_items(
1691 &mut self,
1692 action: &CloseOtherItems,
1693 target_item_id: Option<EntityId>,
1694 window: &mut Window,
1695 cx: &mut Context<Self>,
1696 ) -> Task<Result<()>> {
1697 if self.items.is_empty() {
1698 return Task::ready(Ok(()));
1699 }
1700
1701 let active_item_id = match target_item_id {
1702 Some(result) => result,
1703 None => self.active_item_id(),
1704 };
1705
1706 self.unpreview_item_if_preview(active_item_id);
1707
1708 let pinned_item_ids = self.pinned_item_ids();
1709
1710 self.close_items(
1711 window,
1712 cx,
1713 action.save_intent.unwrap_or(SaveIntent::Close),
1714 &move |item_id| {
1715 item_id != active_item_id
1716 && (action.close_pinned || !pinned_item_ids.contains(&item_id))
1717 },
1718 )
1719 }
1720
1721 pub fn close_multibuffer_items(
1722 &mut self,
1723 action: &CloseMultibufferItems,
1724 window: &mut Window,
1725 cx: &mut Context<Self>,
1726 ) -> Task<Result<()>> {
1727 if self.items.is_empty() {
1728 return Task::ready(Ok(()));
1729 }
1730
1731 let pinned_item_ids = self.pinned_item_ids();
1732 let multibuffer_items = self.multibuffer_item_ids(cx);
1733
1734 self.close_items(
1735 window,
1736 cx,
1737 action.save_intent.unwrap_or(SaveIntent::Close),
1738 &move |item_id| {
1739 (action.close_pinned || !pinned_item_ids.contains(&item_id))
1740 && multibuffer_items.contains(&item_id)
1741 },
1742 )
1743 }
1744
1745 pub fn close_clean_items(
1746 &mut self,
1747 action: &CloseCleanItems,
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 clean_item_ids = self.clean_item_ids(cx);
1756 let pinned_item_ids = self.pinned_item_ids();
1757
1758 self.close_items(window, cx, SaveIntent::Close, &move |item_id| {
1759 clean_item_ids.contains(&item_id)
1760 && (action.close_pinned || !pinned_item_ids.contains(&item_id))
1761 })
1762 }
1763
1764 pub fn close_items_to_the_left_by_id(
1765 &mut self,
1766 item_id: Option<EntityId>,
1767 action: &CloseItemsToTheLeft,
1768 window: &mut Window,
1769 cx: &mut Context<Self>,
1770 ) -> Task<Result<()>> {
1771 self.close_items_to_the_side_by_id(item_id, Side::Left, action.close_pinned, window, cx)
1772 }
1773
1774 pub fn close_items_to_the_right_by_id(
1775 &mut self,
1776 item_id: Option<EntityId>,
1777 action: &CloseItemsToTheRight,
1778 window: &mut Window,
1779 cx: &mut Context<Self>,
1780 ) -> Task<Result<()>> {
1781 self.close_items_to_the_side_by_id(item_id, Side::Right, action.close_pinned, window, cx)
1782 }
1783
1784 pub fn close_items_to_the_side_by_id(
1785 &mut self,
1786 item_id: Option<EntityId>,
1787 side: Side,
1788 close_pinned: bool,
1789 window: &mut Window,
1790 cx: &mut Context<Self>,
1791 ) -> Task<Result<()>> {
1792 if self.items.is_empty() {
1793 return Task::ready(Ok(()));
1794 }
1795
1796 let item_id = item_id.unwrap_or_else(|| self.active_item_id());
1797 let to_the_side_item_ids = self.to_the_side_item_ids(item_id, side);
1798 let pinned_item_ids = self.pinned_item_ids();
1799
1800 self.close_items(window, cx, SaveIntent::Close, &move |item_id| {
1801 to_the_side_item_ids.contains(&item_id)
1802 && (close_pinned || !pinned_item_ids.contains(&item_id))
1803 })
1804 }
1805
1806 pub fn close_all_items(
1807 &mut self,
1808 action: &CloseAllItems,
1809 window: &mut Window,
1810 cx: &mut Context<Self>,
1811 ) -> Task<Result<()>> {
1812 if self.items.is_empty() {
1813 return Task::ready(Ok(()));
1814 }
1815
1816 let pinned_item_ids = self.pinned_item_ids();
1817
1818 self.close_items(
1819 window,
1820 cx,
1821 action.save_intent.unwrap_or(SaveIntent::Close),
1822 &|item_id| action.close_pinned || !pinned_item_ids.contains(&item_id),
1823 )
1824 }
1825
1826 fn close_items_on_item_open(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1827 let target = self.max_tabs.map(|m| m.get());
1828 let protect_active_item = false;
1829 self.close_items_to_target_count(target, protect_active_item, window, cx);
1830 }
1831
1832 fn close_items_on_settings_change(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1833 let target = self.max_tabs.map(|m| m.get() + 1);
1834 // The active item in this case is the settings.json file, which should be protected from being closed
1835 let protect_active_item = true;
1836 self.close_items_to_target_count(target, protect_active_item, window, cx);
1837 }
1838
1839 fn close_items_to_target_count(
1840 &mut self,
1841 target_count: Option<usize>,
1842 protect_active_item: bool,
1843 window: &mut Window,
1844 cx: &mut Context<Self>,
1845 ) {
1846 let Some(target_count) = target_count else {
1847 return;
1848 };
1849
1850 let mut index_list = Vec::new();
1851 let mut items_len = self.items_len();
1852 let mut indexes: HashMap<EntityId, usize> = HashMap::default();
1853 let active_ix = self.active_item_index();
1854
1855 for (index, item) in self.items.iter().enumerate() {
1856 indexes.insert(item.item_id(), index);
1857 }
1858
1859 // Close least recently used items to reach target count.
1860 // The target count is allowed to be exceeded, as we protect pinned
1861 // items, dirty items, and sometimes, the active item.
1862 for entry in self.activation_history.iter() {
1863 if items_len < target_count {
1864 break;
1865 }
1866
1867 let Some(&index) = indexes.get(&entry.entity_id) else {
1868 continue;
1869 };
1870
1871 if protect_active_item && index == active_ix {
1872 continue;
1873 }
1874
1875 if let Some(true) = self.items.get(index).map(|item| item.is_dirty(cx)) {
1876 continue;
1877 }
1878
1879 if self.is_tab_pinned(index) {
1880 continue;
1881 }
1882
1883 index_list.push(index);
1884 items_len -= 1;
1885 }
1886 // The sort and reverse is necessary since we remove items
1887 // using their index position, hence removing from the end
1888 // of the list first to avoid changing indexes.
1889 index_list.sort_unstable();
1890 index_list
1891 .iter()
1892 .rev()
1893 .for_each(|&index| self._remove_item(index, false, false, None, window, cx));
1894 }
1895
1896 // Usually when you close an item that has unsaved changes, we prompt you to
1897 // save it. That said, if you still have the buffer open in a different pane
1898 // we can close this one without fear of losing data.
1899 pub fn skip_save_on_close(item: &dyn ItemHandle, workspace: &Workspace, cx: &App) -> bool {
1900 let mut dirty_project_item_ids = Vec::new();
1901 item.for_each_project_item(cx, &mut |project_item_id, project_item| {
1902 if project_item.is_dirty() {
1903 dirty_project_item_ids.push(project_item_id);
1904 }
1905 });
1906 if dirty_project_item_ids.is_empty() {
1907 return !(item.buffer_kind(cx) == ItemBufferKind::Singleton && item.is_dirty(cx));
1908 }
1909
1910 for open_item in workspace.items(cx) {
1911 if open_item.item_id() == item.item_id() {
1912 continue;
1913 }
1914 if open_item.buffer_kind(cx) != ItemBufferKind::Singleton {
1915 continue;
1916 }
1917 let other_project_item_ids = open_item.project_item_model_ids(cx);
1918 dirty_project_item_ids.retain(|id| !other_project_item_ids.contains(id));
1919 }
1920 dirty_project_item_ids.is_empty()
1921 }
1922
1923 pub(super) fn file_names_for_prompt(
1924 items: &mut dyn Iterator<Item = &Box<dyn ItemHandle>>,
1925 cx: &App,
1926 ) -> String {
1927 let mut file_names = BTreeSet::default();
1928 for item in items {
1929 item.for_each_project_item(cx, &mut |_, project_item| {
1930 if !project_item.is_dirty() {
1931 return;
1932 }
1933 let filename = project_item
1934 .project_path(cx)
1935 .and_then(|path| path.path.file_name().map(ToOwned::to_owned));
1936 file_names.insert(filename.unwrap_or("untitled".to_string()));
1937 });
1938 }
1939 if file_names.len() > 6 {
1940 format!(
1941 "{}\n.. and {} more",
1942 file_names.iter().take(5).join("\n"),
1943 file_names.len() - 5
1944 )
1945 } else {
1946 file_names.into_iter().join("\n")
1947 }
1948 }
1949
1950 pub fn close_items(
1951 &self,
1952 window: &mut Window,
1953 cx: &mut Context<Pane>,
1954 mut save_intent: SaveIntent,
1955 should_close: &dyn Fn(EntityId) -> bool,
1956 ) -> Task<Result<()>> {
1957 // Find the items to close.
1958 let mut items_to_close = Vec::new();
1959 for item in &self.items {
1960 if should_close(item.item_id()) {
1961 items_to_close.push(item.boxed_clone());
1962 }
1963 }
1964
1965 let active_item_id = self.active_item().map(|item| item.item_id());
1966
1967 items_to_close.sort_by_key(|item| {
1968 let path = item.project_path(cx);
1969 // Put the currently active item at the end, because if the currently active item is not closed last
1970 // closing the currently active item will cause the focus to switch to another item
1971 // This will cause Zed to expand the content of the currently active item
1972 //
1973 // Beyond that sort in order of project path, with untitled files and multibuffers coming last.
1974 (active_item_id == Some(item.item_id()), path.is_none(), path)
1975 });
1976
1977 let workspace = self.workspace.clone();
1978 let Some(project) = self.project.upgrade() else {
1979 return Task::ready(Ok(()));
1980 };
1981 cx.spawn_in(window, async move |pane, cx| {
1982 let dirty_items = workspace.update(cx, |workspace, cx| {
1983 items_to_close
1984 .iter()
1985 .filter(|item| {
1986 item.is_dirty(cx) && !Self::skip_save_on_close(item.as_ref(), workspace, cx)
1987 })
1988 .map(|item| item.boxed_clone())
1989 .collect::<Vec<_>>()
1990 })?;
1991
1992 if save_intent == SaveIntent::Close && dirty_items.len() > 1 {
1993 let answer = pane.update_in(cx, |_, window, cx| {
1994 let detail = Self::file_names_for_prompt(&mut dirty_items.iter(), cx);
1995 window.prompt(
1996 PromptLevel::Warning,
1997 "Do you want to save changes to the following files?",
1998 Some(&detail),
1999 &["Save all", "Discard all", "Cancel"],
2000 cx,
2001 )
2002 })?;
2003 match answer.await {
2004 Ok(0) => save_intent = SaveIntent::SaveAll,
2005 Ok(1) => save_intent = SaveIntent::Skip,
2006 Ok(2) => return Ok(()),
2007 _ => {}
2008 }
2009 }
2010
2011 for item_to_close in items_to_close {
2012 let mut should_close = true;
2013 let mut should_save = true;
2014 if save_intent == SaveIntent::Close {
2015 workspace.update(cx, |workspace, cx| {
2016 if Self::skip_save_on_close(item_to_close.as_ref(), workspace, cx) {
2017 should_save = false;
2018 }
2019 })?;
2020 }
2021
2022 if should_save {
2023 match Self::save_item(project.clone(), &pane, &*item_to_close, save_intent, cx)
2024 .await
2025 {
2026 Ok(success) => {
2027 if !success {
2028 should_close = false;
2029 }
2030 }
2031 Err(err) => {
2032 let answer = pane.update_in(cx, |_, window, cx| {
2033 let detail = Self::file_names_for_prompt(
2034 &mut [&item_to_close].into_iter(),
2035 cx,
2036 );
2037 window.prompt(
2038 PromptLevel::Warning,
2039 &format!("Unable to save file: {}", &err),
2040 Some(&detail),
2041 &["Close Without Saving", "Cancel"],
2042 cx,
2043 )
2044 })?;
2045 match answer.await {
2046 Ok(0) => {}
2047 Ok(1..) | Err(_) => should_close = false,
2048 }
2049 }
2050 }
2051 }
2052
2053 // Remove the item from the pane.
2054 if should_close {
2055 pane.update_in(cx, |pane, window, cx| {
2056 pane.remove_item(
2057 item_to_close.item_id(),
2058 false,
2059 pane.close_pane_if_empty,
2060 window,
2061 cx,
2062 );
2063 })
2064 .ok();
2065 }
2066 }
2067
2068 pane.update(cx, |_, cx| cx.notify()).ok();
2069 Ok(())
2070 })
2071 }
2072
2073 pub fn take_active_item(
2074 &mut self,
2075 window: &mut Window,
2076 cx: &mut Context<Self>,
2077 ) -> Option<Box<dyn ItemHandle>> {
2078 let item = self.active_item()?;
2079 self.remove_item(item.item_id(), false, false, window, cx);
2080 Some(item)
2081 }
2082
2083 pub fn remove_item(
2084 &mut self,
2085 item_id: EntityId,
2086 activate_pane: bool,
2087 close_pane_if_empty: bool,
2088 window: &mut Window,
2089 cx: &mut Context<Self>,
2090 ) {
2091 let Some(item_index) = self.index_for_item_id(item_id) else {
2092 return;
2093 };
2094 self._remove_item(
2095 item_index,
2096 activate_pane,
2097 close_pane_if_empty,
2098 None,
2099 window,
2100 cx,
2101 )
2102 }
2103
2104 pub fn remove_item_and_focus_on_pane(
2105 &mut self,
2106 item_index: usize,
2107 activate_pane: bool,
2108 focus_on_pane_if_closed: Entity<Pane>,
2109 window: &mut Window,
2110 cx: &mut Context<Self>,
2111 ) {
2112 self._remove_item(
2113 item_index,
2114 activate_pane,
2115 true,
2116 Some(focus_on_pane_if_closed),
2117 window,
2118 cx,
2119 )
2120 }
2121
2122 fn _remove_item(
2123 &mut self,
2124 item_index: usize,
2125 activate_pane: bool,
2126 close_pane_if_empty: bool,
2127 focus_on_pane_if_closed: Option<Entity<Pane>>,
2128 window: &mut Window,
2129 cx: &mut Context<Self>,
2130 ) {
2131 let activate_on_close = &ItemSettings::get_global(cx).activate_on_close;
2132 self.activation_history
2133 .retain(|entry| entry.entity_id != self.items[item_index].item_id());
2134
2135 if self.is_tab_pinned(item_index) {
2136 self.pinned_tab_count -= 1;
2137 }
2138 if item_index == self.active_item_index {
2139 let left_neighbour_index = || item_index.min(self.items.len()).saturating_sub(1);
2140 let index_to_activate = match activate_on_close {
2141 ActivateOnClose::History => self
2142 .activation_history
2143 .pop()
2144 .and_then(|last_activated_item| {
2145 self.items.iter().enumerate().find_map(|(index, item)| {
2146 (item.item_id() == last_activated_item.entity_id).then_some(index)
2147 })
2148 })
2149 // We didn't have a valid activation history entry, so fallback
2150 // to activating the item to the left
2151 .unwrap_or_else(left_neighbour_index),
2152 ActivateOnClose::Neighbour => {
2153 self.activation_history.pop();
2154 if item_index + 1 < self.items.len() {
2155 item_index + 1
2156 } else {
2157 item_index.saturating_sub(1)
2158 }
2159 }
2160 ActivateOnClose::LeftNeighbour => {
2161 self.activation_history.pop();
2162 left_neighbour_index()
2163 }
2164 };
2165
2166 let should_activate = activate_pane || self.has_focus(window, cx);
2167 if self.items.len() == 1 && should_activate {
2168 self.focus_handle.focus(window, cx);
2169 } else {
2170 self.activate_item(
2171 index_to_activate,
2172 should_activate,
2173 should_activate,
2174 window,
2175 cx,
2176 );
2177 }
2178 }
2179
2180 let item = self.items.remove(item_index);
2181
2182 cx.emit(Event::RemovedItem { item: item.clone() });
2183 if self.items.is_empty() {
2184 item.deactivated(window, cx);
2185 if close_pane_if_empty {
2186 self.update_toolbar(window, cx);
2187 cx.emit(Event::Remove {
2188 focus_on_pane: focus_on_pane_if_closed,
2189 });
2190 }
2191 }
2192
2193 if item_index < self.active_item_index {
2194 self.active_item_index -= 1;
2195 }
2196
2197 let mode = self.nav_history.mode();
2198 self.nav_history.set_mode(NavigationMode::ClosingItem);
2199 item.deactivated(window, cx);
2200 item.on_removed(cx);
2201 self.nav_history.set_mode(mode);
2202 self.unpreview_item_if_preview(item.item_id());
2203
2204 if let Some(path) = item.project_path(cx) {
2205 let abs_path = self
2206 .nav_history
2207 .0
2208 .lock()
2209 .paths_by_item
2210 .get(&item.item_id())
2211 .and_then(|(_, abs_path)| abs_path.clone());
2212
2213 self.nav_history
2214 .0
2215 .lock()
2216 .paths_by_item
2217 .insert(item.item_id(), (path, abs_path));
2218 } else {
2219 self.nav_history
2220 .0
2221 .lock()
2222 .paths_by_item
2223 .remove(&item.item_id());
2224 }
2225
2226 if self.zoom_out_on_close && self.items.is_empty() && close_pane_if_empty && self.zoomed {
2227 cx.emit(Event::ZoomOut);
2228 }
2229
2230 cx.notify();
2231 }
2232
2233 pub async fn save_item(
2234 project: Entity<Project>,
2235 pane: &WeakEntity<Pane>,
2236 item: &dyn ItemHandle,
2237 save_intent: SaveIntent,
2238 cx: &mut AsyncWindowContext,
2239 ) -> Result<bool> {
2240 const CONFLICT_MESSAGE: &str = "This file has changed on disk since you started editing it. Do you want to overwrite it?";
2241
2242 const DELETED_MESSAGE: &str = "This file has been deleted on disk since you started editing it. Do you want to recreate it?";
2243
2244 let path_style = project.read_with(cx, |project, cx| project.path_style(cx));
2245 if save_intent == SaveIntent::Skip {
2246 let is_saveable_singleton = cx.update(|_window, cx| {
2247 item.can_save(cx) && item.buffer_kind(cx) == ItemBufferKind::Singleton
2248 })?;
2249 if is_saveable_singleton {
2250 pane.update_in(cx, |_, window, cx| item.reload(project, window, cx))?
2251 .await
2252 .log_err();
2253 }
2254 return Ok(true);
2255 };
2256 let Some(item_ix) = pane
2257 .read_with(cx, |pane, _| pane.index_for_item(item))
2258 .ok()
2259 .flatten()
2260 else {
2261 return Ok(true);
2262 };
2263
2264 let (
2265 mut has_conflict,
2266 mut is_dirty,
2267 mut can_save,
2268 can_save_as,
2269 is_singleton,
2270 has_deleted_file,
2271 ) = cx.update(|_window, cx| {
2272 (
2273 item.has_conflict(cx),
2274 item.is_dirty(cx),
2275 item.can_save(cx),
2276 item.can_save_as(cx),
2277 item.buffer_kind(cx) == ItemBufferKind::Singleton,
2278 item.has_deleted_file(cx),
2279 )
2280 })?;
2281
2282 // when saving a single buffer, we ignore whether or not it's dirty.
2283 if save_intent == SaveIntent::Save
2284 || save_intent == SaveIntent::FormatAndSave
2285 || save_intent == SaveIntent::SaveWithoutFormat
2286 {
2287 is_dirty = true;
2288 }
2289
2290 if save_intent == SaveIntent::SaveAs {
2291 is_dirty = true;
2292 has_conflict = false;
2293 can_save = false;
2294 }
2295
2296 if save_intent == SaveIntent::Overwrite {
2297 has_conflict = false;
2298 }
2299
2300 let should_format = save_intent != SaveIntent::SaveWithoutFormat;
2301 let force_format = save_intent == SaveIntent::FormatAndSave;
2302
2303 if has_conflict && can_save {
2304 if has_deleted_file && is_singleton {
2305 let answer = pane.update_in(cx, |pane, window, cx| {
2306 pane.activate_item(item_ix, true, true, window, cx);
2307 window.prompt(
2308 PromptLevel::Warning,
2309 DELETED_MESSAGE,
2310 None,
2311 &["Save", "Close", "Cancel"],
2312 cx,
2313 )
2314 })?;
2315 match answer.await {
2316 Ok(0) => {
2317 pane.update_in(cx, |_, window, cx| {
2318 item.save(
2319 SaveOptions {
2320 format: should_format,
2321 force_format,
2322 autosave: false,
2323 },
2324 project,
2325 window,
2326 cx,
2327 )
2328 })?
2329 .await?
2330 }
2331 Ok(1) => {
2332 pane.update_in(cx, |pane, window, cx| {
2333 pane.remove_item(item.item_id(), false, true, window, cx)
2334 })?;
2335 }
2336 _ => return Ok(false),
2337 }
2338 return Ok(true);
2339 } else {
2340 let answer = pane.update_in(cx, |pane, window, cx| {
2341 pane.activate_item(item_ix, true, true, window, cx);
2342 window.prompt(
2343 PromptLevel::Warning,
2344 CONFLICT_MESSAGE,
2345 None,
2346 &["Overwrite", "Discard", "Cancel"],
2347 cx,
2348 )
2349 })?;
2350 match answer.await {
2351 Ok(0) => {
2352 pane.update_in(cx, |_, window, cx| {
2353 item.save(
2354 SaveOptions {
2355 format: should_format,
2356 force_format,
2357 autosave: false,
2358 },
2359 project,
2360 window,
2361 cx,
2362 )
2363 })?
2364 .await?
2365 }
2366 Ok(1) => {
2367 pane.update_in(cx, |_, window, cx| item.reload(project, window, cx))?
2368 .await?
2369 }
2370 _ => return Ok(false),
2371 }
2372 }
2373 } else if is_dirty && (can_save || can_save_as) {
2374 if save_intent == SaveIntent::Close {
2375 let will_autosave = cx.update(|_window, cx| {
2376 item.can_autosave(cx)
2377 && item.workspace_settings(cx).autosave.should_save_on_close()
2378 })?;
2379 if !will_autosave {
2380 let item_id = item.item_id();
2381 let answer_task = pane.update_in(cx, |pane, window, cx| {
2382 if pane.save_modals_spawned.insert(item_id) {
2383 pane.activate_item(item_ix, true, true, window, cx);
2384 let prompt = dirty_message_for(item.project_path(cx), path_style);
2385 Some(window.prompt(
2386 PromptLevel::Warning,
2387 &prompt,
2388 None,
2389 &["Save", "Don't Save", "Cancel"],
2390 cx,
2391 ))
2392 } else {
2393 None
2394 }
2395 })?;
2396 if let Some(answer_task) = answer_task {
2397 let answer = answer_task.await;
2398 pane.update(cx, |pane, _| {
2399 if !pane.save_modals_spawned.remove(&item_id) {
2400 debug_panic!(
2401 "save modal was not present in spawned modals after awaiting for its answer"
2402 )
2403 }
2404 })?;
2405 match answer {
2406 Ok(0) => {}
2407 Ok(1) => {
2408 // Don't save this file - reload from disk to discard changes
2409 pane.update_in(cx, |pane, _, cx| {
2410 if pane.is_tab_pinned(item_ix) && !item.can_save(cx) {
2411 pane.pinned_tab_count -= 1;
2412 }
2413 })
2414 .log_err();
2415 if can_save && is_singleton {
2416 pane.update_in(cx, |_, window, cx| {
2417 item.reload(project.clone(), window, cx)
2418 })?
2419 .await
2420 .log_err();
2421 }
2422 return Ok(true);
2423 }
2424 _ => return Ok(false), // Cancel
2425 }
2426 } else {
2427 return Ok(false);
2428 }
2429 }
2430 }
2431
2432 if can_save {
2433 pane.update_in(cx, |pane, window, cx| {
2434 pane.unpreview_item_if_preview(item.item_id());
2435 item.save(
2436 SaveOptions {
2437 format: should_format,
2438 force_format,
2439 autosave: false,
2440 },
2441 project,
2442 window,
2443 cx,
2444 )
2445 })?
2446 .await?;
2447 } else if can_save_as && is_singleton {
2448 let suggested_name =
2449 cx.update(|_window, cx| item.suggested_filename(cx).to_string())?;
2450 let new_path = pane.update_in(cx, |pane, window, cx| {
2451 pane.activate_item(item_ix, true, true, window, cx);
2452 pane.workspace.update(cx, |workspace, cx| {
2453 let lister = if workspace.project().read(cx).is_local() {
2454 DirectoryLister::Local(
2455 workspace.project().clone(),
2456 workspace.app_state().fs.clone(),
2457 )
2458 } else {
2459 DirectoryLister::Project(workspace.project().clone())
2460 };
2461 workspace.prompt_for_new_path(lister, Some(suggested_name), window, cx)
2462 })
2463 })??;
2464 let Some(new_path) = new_path.await.ok().flatten().into_iter().flatten().next()
2465 else {
2466 return Ok(false);
2467 };
2468
2469 let project_path = pane
2470 .update(cx, |pane, cx| {
2471 pane.project
2472 .update(cx, |project, cx| {
2473 project.find_or_create_worktree(new_path, true, cx)
2474 })
2475 .ok()
2476 })
2477 .ok()
2478 .flatten();
2479 let save_task = if let Some(project_path) = project_path {
2480 let (worktree, path) = project_path.await?;
2481 let worktree_id = worktree.read_with(cx, |worktree, _| worktree.id());
2482 let new_path = ProjectPath { worktree_id, path };
2483
2484 pane.update_in(cx, |pane, window, cx| {
2485 if let Some(item) = pane.item_for_path(new_path.clone(), cx) {
2486 pane.remove_item(item.item_id(), false, false, window, cx);
2487 }
2488
2489 item.save_as(project, new_path, window, cx)
2490 })?
2491 } else {
2492 return Ok(false);
2493 };
2494
2495 save_task.await?;
2496 return Ok(true);
2497 }
2498 }
2499
2500 pane.update(cx, |_, cx| {
2501 cx.emit(Event::UserSavedItem {
2502 item: item.downgrade_item(),
2503 save_intent,
2504 });
2505 true
2506 })
2507 }
2508
2509 pub fn autosave_item(
2510 item: &dyn ItemHandle,
2511 project: Entity<Project>,
2512 window: &mut Window,
2513 cx: &mut App,
2514 ) -> Task<Result<()>> {
2515 let format = !matches!(
2516 item.workspace_settings(cx).autosave,
2517 AutosaveSetting::AfterDelay { .. }
2518 );
2519 if item.can_autosave(cx) {
2520 item.save(
2521 SaveOptions {
2522 format,
2523 force_format: false,
2524 autosave: true,
2525 },
2526 project,
2527 window,
2528 cx,
2529 )
2530 } else {
2531 Task::ready(Ok(()))
2532 }
2533 }
2534
2535 pub fn focus_active_item(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2536 if let Some(active_item) = self.active_item() {
2537 let focus_handle = active_item.item_focus_handle(cx);
2538 window.focus(&focus_handle, cx);
2539 }
2540 }
2541
2542 pub fn split(
2543 &mut self,
2544 direction: SplitDirection,
2545 mode: SplitMode,
2546 window: &mut Window,
2547 cx: &mut Context<Self>,
2548 ) {
2549 if self.items.len() <= 1 && mode == SplitMode::MovePane {
2550 // MovePane with only one pane present behaves like a SplitEmpty in the opposite direction
2551 let active_item = self.active_item();
2552 cx.emit(Event::Split {
2553 direction: direction.opposite(),
2554 mode: SplitMode::EmptyPane,
2555 });
2556 // ensure that we focus the moved pane
2557 // in this case we know that the window is the same as the active_item
2558 if let Some(active_item) = active_item {
2559 cx.defer_in(window, move |_, window, cx| {
2560 let focus_handle = active_item.item_focus_handle(cx);
2561 window.focus(&focus_handle, cx);
2562 });
2563 }
2564 } else {
2565 cx.emit(Event::Split { direction, mode });
2566 }
2567 }
2568
2569 pub fn toolbar(&self) -> &Entity<Toolbar> {
2570 &self.toolbar
2571 }
2572
2573 pub fn handle_deleted_project_item(
2574 &mut self,
2575 entry_id: ProjectEntryId,
2576 window: &mut Window,
2577 cx: &mut Context<Pane>,
2578 ) -> Option<()> {
2579 let item_id = self.items().find_map(|item| {
2580 if item.buffer_kind(cx) == ItemBufferKind::Singleton
2581 && item.project_entry_ids(cx).as_slice() == [entry_id]
2582 {
2583 Some(item.item_id())
2584 } else {
2585 None
2586 }
2587 })?;
2588
2589 self.remove_item(item_id, false, true, window, cx);
2590 self.nav_history.remove_item(item_id);
2591
2592 Some(())
2593 }
2594
2595 fn update_toolbar(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2596 let active_item = self
2597 .items
2598 .get(self.active_item_index)
2599 .map(|item| item.as_ref());
2600 self.toolbar.update(cx, |toolbar, cx| {
2601 toolbar.set_active_item(active_item, window, cx);
2602 });
2603 }
2604
2605 fn update_status_bar(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2606 let workspace = self.workspace.clone();
2607 let pane = cx.entity();
2608
2609 window.defer(cx, move |window, cx| {
2610 let Ok(status_bar) =
2611 workspace.read_with(cx, |workspace, _| workspace.status_bar.clone())
2612 else {
2613 return;
2614 };
2615
2616 status_bar.update(cx, move |status_bar, cx| {
2617 status_bar.set_active_pane(&pane, window, cx);
2618 });
2619 });
2620 }
2621
2622 fn entry_abs_path(&self, entry: ProjectEntryId, cx: &App) -> Option<PathBuf> {
2623 let worktree = self
2624 .workspace
2625 .upgrade()?
2626 .read(cx)
2627 .project()
2628 .read(cx)
2629 .worktree_for_entry(entry, cx)?
2630 .read(cx);
2631 let entry = worktree.entry_for_id(entry)?;
2632 Some(match &entry.canonical_path {
2633 Some(canonical_path) => canonical_path.to_path_buf(),
2634 None => worktree.absolutize(&entry.path),
2635 })
2636 }
2637
2638 pub fn icon_color(selected: bool) -> Color {
2639 if selected {
2640 Color::Default
2641 } else {
2642 Color::Muted
2643 }
2644 }
2645
2646 fn toggle_pin_tab(&mut self, _: &TogglePinTab, window: &mut Window, cx: &mut Context<Self>) {
2647 if self.items.is_empty() {
2648 return;
2649 }
2650 let active_tab_ix = self.active_item_index();
2651 if self.is_tab_pinned(active_tab_ix) {
2652 self.unpin_tab_at(active_tab_ix, window, cx);
2653 } else {
2654 self.pin_tab_at(active_tab_ix, window, cx);
2655 }
2656 }
2657
2658 fn unpin_all_tabs(&mut self, _: &UnpinAllTabs, window: &mut Window, cx: &mut Context<Self>) {
2659 if self.items.is_empty() {
2660 return;
2661 }
2662
2663 let pinned_item_ids = self.pinned_item_ids().into_iter().rev();
2664
2665 for pinned_item_id in pinned_item_ids {
2666 if let Some(ix) = self.index_for_item_id(pinned_item_id) {
2667 self.unpin_tab_at(ix, window, cx);
2668 }
2669 }
2670 }
2671
2672 fn pin_tab_at(&mut self, ix: usize, window: &mut Window, cx: &mut Context<Self>) {
2673 self.change_tab_pin_state(ix, PinOperation::Pin, window, cx);
2674 }
2675
2676 fn unpin_tab_at(&mut self, ix: usize, window: &mut Window, cx: &mut Context<Self>) {
2677 self.change_tab_pin_state(ix, PinOperation::Unpin, window, cx);
2678 }
2679
2680 fn change_tab_pin_state(
2681 &mut self,
2682 ix: usize,
2683 operation: PinOperation,
2684 window: &mut Window,
2685 cx: &mut Context<Self>,
2686 ) {
2687 maybe!({
2688 let pane = cx.entity();
2689
2690 let destination_index = match operation {
2691 PinOperation::Pin => self.pinned_tab_count.min(ix),
2692 PinOperation::Unpin => self.pinned_tab_count.checked_sub(1)?,
2693 };
2694
2695 let id = self.item_for_index(ix)?.item_id();
2696 let should_activate = ix == self.active_item_index;
2697
2698 if matches!(operation, PinOperation::Pin) {
2699 self.unpreview_item_if_preview(id);
2700 }
2701
2702 match operation {
2703 PinOperation::Pin => self.pinned_tab_count += 1,
2704 PinOperation::Unpin => self.pinned_tab_count -= 1,
2705 }
2706
2707 if ix == destination_index {
2708 cx.notify();
2709 } else {
2710 self.workspace
2711 .update(cx, |_, cx| {
2712 cx.defer_in(window, move |_, window, cx| {
2713 move_item(
2714 &pane,
2715 &pane,
2716 id,
2717 destination_index,
2718 should_activate,
2719 window,
2720 cx,
2721 );
2722 });
2723 })
2724 .ok()?;
2725 }
2726
2727 let event = match operation {
2728 PinOperation::Pin => Event::ItemPinned,
2729 PinOperation::Unpin => Event::ItemUnpinned,
2730 };
2731
2732 cx.emit(event);
2733
2734 Some(())
2735 });
2736 }
2737
2738 fn is_tab_pinned(&self, ix: usize) -> bool {
2739 self.pinned_tab_count > ix
2740 }
2741
2742 fn has_unpinned_tabs(&self) -> bool {
2743 self.pinned_tab_count < self.items.len()
2744 }
2745
2746 fn activate_unpinned_tab(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2747 if self.items.is_empty() {
2748 return;
2749 }
2750 let Some(index) = self
2751 .items()
2752 .enumerate()
2753 .find_map(|(index, _item)| (!self.is_tab_pinned(index)).then_some(index))
2754 else {
2755 return;
2756 };
2757 self.activate_item(index, true, true, window, cx);
2758 }
2759
2760 fn render_tab(
2761 &self,
2762 ix: usize,
2763 item: &dyn ItemHandle,
2764 detail: usize,
2765 focus_handle: &FocusHandle,
2766 window: &mut Window,
2767 cx: &mut Context<Pane>,
2768 ) -> impl IntoElement + use<> {
2769 let is_active = ix == self.active_item_index;
2770 let is_preview = self
2771 .preview_item_id
2772 .map(|id| id == item.item_id())
2773 .unwrap_or(false);
2774
2775 let label = item.tab_content(
2776 TabContentParams {
2777 detail: Some(detail),
2778 selected: is_active,
2779 preview: is_preview,
2780 deemphasized: !self.has_focus(window, cx),
2781 },
2782 window,
2783 cx,
2784 );
2785
2786 let item_diagnostic = item
2787 .project_path(cx)
2788 .map_or(None, |project_path| self.diagnostics.get(&project_path));
2789
2790 let decorated_icon = item_diagnostic.map_or(None, |diagnostic| {
2791 let icon = match item.tab_icon(window, cx) {
2792 Some(icon) => icon,
2793 None => return None,
2794 };
2795
2796 let knockout_item_color = if is_active {
2797 cx.theme().colors().tab_active_background
2798 } else {
2799 cx.theme().colors().tab_bar_background
2800 };
2801
2802 let (icon_decoration, icon_color) = if matches!(diagnostic, &DiagnosticSeverity::ERROR)
2803 {
2804 (IconDecorationKind::X, Color::Error)
2805 } else {
2806 (IconDecorationKind::Triangle, Color::Warning)
2807 };
2808
2809 Some(DecoratedIcon::new(
2810 icon.size(IconSize::Small).color(Color::Muted),
2811 Some(
2812 IconDecoration::new(icon_decoration, knockout_item_color, cx)
2813 .color(icon_color.color(cx))
2814 .position(Point {
2815 x: px(-2.),
2816 y: px(-2.),
2817 }),
2818 ),
2819 ))
2820 });
2821
2822 let icon = if decorated_icon.is_none() {
2823 match item_diagnostic {
2824 Some(&DiagnosticSeverity::ERROR) => None,
2825 Some(&DiagnosticSeverity::WARNING) => None,
2826 _ => item
2827 .tab_icon(window, cx)
2828 .map(|icon| icon.color(Color::Muted)),
2829 }
2830 .map(|icon| icon.size(IconSize::Small))
2831 } else {
2832 None
2833 };
2834
2835 let settings = ItemSettings::get_global(cx);
2836 let close_side = &settings.close_position;
2837 let show_close_button = &settings.show_close_button;
2838 let indicator = render_item_indicator(item.boxed_clone(), cx);
2839 let tab_tooltip_content = item.tab_tooltip_content(cx);
2840 let item_id = item.item_id();
2841 let is_first_item = ix == 0;
2842 let is_last_item = ix == self.items.len() - 1;
2843 let is_pinned = self.is_tab_pinned(ix);
2844 let position_relative_to_active_item = ix.cmp(&self.active_item_index);
2845
2846 let read_only_toggle = |toggleable: bool| {
2847 IconButton::new("toggle_read_only", IconName::FileLock)
2848 .size(ButtonSize::None)
2849 .shape(IconButtonShape::Square)
2850 .icon_color(Color::Muted)
2851 .icon_size(IconSize::Small)
2852 .disabled(!toggleable)
2853 .tooltip(move |_, cx| {
2854 if toggleable {
2855 Tooltip::with_meta(
2856 "Unlock File",
2857 None,
2858 "This will make this file editable",
2859 cx,
2860 )
2861 } else {
2862 Tooltip::with_meta("Locked File", None, "This file is read-only", cx)
2863 }
2864 })
2865 .on_click(cx.listener(move |pane, _, window, cx| {
2866 if let Some(item) = pane.item_for_index(ix) {
2867 item.toggle_read_only(window, cx);
2868 }
2869 }))
2870 };
2871
2872 let has_file_icon = icon.is_some() | decorated_icon.is_some();
2873
2874 let capability = item.capability(cx);
2875 let tab = Tab::new(ix)
2876 .position(if is_first_item {
2877 TabPosition::First
2878 } else if is_last_item {
2879 TabPosition::Last
2880 } else {
2881 TabPosition::Middle(position_relative_to_active_item)
2882 })
2883 .close_side(match close_side {
2884 ClosePosition::Left => ui::TabCloseSide::Start,
2885 ClosePosition::Right => ui::TabCloseSide::End,
2886 })
2887 .toggle_state(is_active)
2888 .on_click(cx.listener({
2889 let item_handle = item.boxed_clone();
2890 move |pane: &mut Self, event: &ClickEvent, window, cx| {
2891 if event.click_count() > 1 {
2892 pane.unpreview_item_if_preview(item_id);
2893 let extra_actions = item_handle.tab_extra_context_menu_actions(window, cx);
2894 if let Some((_, action)) = extra_actions
2895 .into_iter()
2896 .find(|(label, _)| label.as_ref() == "Rename")
2897 {
2898 // Dispatch action directly through the focus handle to avoid
2899 // relay_action's intermediate focus step which can interfere
2900 // with inline editors.
2901 let focus_handle = item_handle.item_focus_handle(cx);
2902 focus_handle.dispatch_action(&*action, window, cx);
2903 return;
2904 }
2905 }
2906 pane.activate_item(ix, true, true, window, cx)
2907 }
2908 }))
2909 .on_aux_click(
2910 cx.listener(move |pane: &mut Self, event: &ClickEvent, window, cx| {
2911 if !event.is_middle_click() || is_pinned {
2912 return;
2913 }
2914
2915 pane.close_item_by_id(item_id, SaveIntent::Close, window, cx)
2916 .detach_and_log_err(cx);
2917 cx.stop_propagation();
2918 }),
2919 )
2920 .on_drag(
2921 DraggedTab {
2922 item: item.boxed_clone(),
2923 pane: cx.entity(),
2924 detail,
2925 is_active,
2926 ix,
2927 },
2928 |tab, _, _, cx| cx.new(|_| tab.clone()),
2929 )
2930 .drag_over::<DraggedTab>(move |tab, dragged_tab: &DraggedTab, _, cx| {
2931 let mut styled_tab = tab
2932 .bg(cx.theme().colors().drop_target_background)
2933 .border_color(cx.theme().colors().drop_target_border)
2934 .border_0();
2935
2936 if ix < dragged_tab.ix {
2937 styled_tab = styled_tab.border_l_2();
2938 } else if ix > dragged_tab.ix {
2939 styled_tab = styled_tab.border_r_2();
2940 }
2941
2942 styled_tab
2943 })
2944 .drag_over::<DraggedSelection>(|tab, _, _, cx| {
2945 tab.bg(cx.theme().colors().drop_target_background)
2946 })
2947 .when_some(self.can_drop_predicate.clone(), |this, p| {
2948 this.can_drop(move |a, window, cx| p(a, window, cx))
2949 })
2950 .on_drop(
2951 cx.listener(move |this, dragged_tab: &DraggedTab, window, cx| {
2952 this.drag_split_direction = None;
2953 this.handle_tab_drop(dragged_tab, ix, false, window, cx)
2954 }),
2955 )
2956 .on_drop(
2957 cx.listener(move |this, selection: &DraggedSelection, window, cx| {
2958 this.drag_split_direction = None;
2959 this.handle_dragged_selection_drop(selection, Some(ix), window, cx)
2960 }),
2961 )
2962 .on_drop(cx.listener(move |this, paths, window, cx| {
2963 this.drag_split_direction = None;
2964 this.handle_external_paths_drop(paths, window, cx)
2965 }))
2966 .start_slot::<Indicator>(indicator)
2967 .map(|this| {
2968 let end_slot_action: &'static dyn Action;
2969 let end_slot_tooltip_text: &'static str;
2970 let end_slot = if is_pinned {
2971 end_slot_action = &TogglePinTab;
2972 end_slot_tooltip_text = "Unpin Tab";
2973 IconButton::new("unpin tab", IconName::Pin)
2974 .shape(IconButtonShape::Square)
2975 .icon_color(Color::Muted)
2976 .size(ButtonSize::None)
2977 .icon_size(IconSize::Small)
2978 .on_click(cx.listener(move |pane, _, window, cx| {
2979 pane.unpin_tab_at(ix, window, cx);
2980 }))
2981 } else {
2982 end_slot_action = &CloseActiveItem {
2983 save_intent: None,
2984 close_pinned: false,
2985 };
2986 end_slot_tooltip_text = "Close Tab";
2987 match show_close_button {
2988 ShowCloseButton::Always => IconButton::new("close tab", IconName::Close),
2989 ShowCloseButton::Hover => {
2990 IconButton::new("close tab", IconName::Close).visible_on_hover("")
2991 }
2992 ShowCloseButton::Hidden => return this,
2993 }
2994 .shape(IconButtonShape::Square)
2995 .icon_color(Color::Muted)
2996 .size(ButtonSize::None)
2997 .icon_size(IconSize::Small)
2998 .on_click(cx.listener(move |pane, _, window, cx| {
2999 pane.close_item_by_id(item_id, SaveIntent::Close, window, cx)
3000 .detach_and_log_err(cx);
3001 }))
3002 }
3003 .map(|this| {
3004 if is_active {
3005 let focus_handle = focus_handle.clone();
3006 this.tooltip(move |window, cx| {
3007 Tooltip::for_action_in(
3008 end_slot_tooltip_text,
3009 end_slot_action,
3010 &window.focused(cx).unwrap_or_else(|| focus_handle.clone()),
3011 cx,
3012 )
3013 })
3014 } else {
3015 this.tooltip(Tooltip::text(end_slot_tooltip_text))
3016 }
3017 });
3018 this.end_slot(end_slot)
3019 })
3020 .child(
3021 h_flex()
3022 .id(("pane-tab-content", ix))
3023 .gap_1()
3024 .children(if let Some(decorated_icon) = decorated_icon {
3025 Some(decorated_icon.into_any_element())
3026 } else if let Some(icon) = icon {
3027 Some(icon.into_any_element())
3028 } else if !capability.editable() {
3029 Some(read_only_toggle(capability == Capability::Read).into_any_element())
3030 } else {
3031 None
3032 })
3033 .child(label)
3034 .map(|this| match tab_tooltip_content {
3035 Some(TabTooltipContent::Text(text)) => {
3036 if capability.editable() {
3037 this.tooltip(Tooltip::text(text))
3038 } else {
3039 this.tooltip(move |_, cx| {
3040 let text = text.clone();
3041 Tooltip::with_meta(text, None, "Read-Only File", cx)
3042 })
3043 }
3044 }
3045 Some(TabTooltipContent::Custom(element_fn)) => {
3046 this.tooltip(move |window, cx| element_fn(window, cx))
3047 }
3048 None => this,
3049 })
3050 .when(capability == Capability::Read && has_file_icon, |this| {
3051 this.child(read_only_toggle(true))
3052 }),
3053 );
3054
3055 let single_entry_to_resolve = (self.items[ix].buffer_kind(cx) == ItemBufferKind::Singleton)
3056 .then(|| self.items[ix].project_entry_ids(cx).get(0).copied())
3057 .flatten();
3058
3059 let total_items = self.items.len();
3060 let has_multibuffer_items = self
3061 .items
3062 .iter()
3063 .any(|item| item.buffer_kind(cx) == ItemBufferKind::Multibuffer);
3064 let has_items_to_left = ix > 0;
3065 let has_items_to_right = ix < total_items - 1;
3066 let has_clean_items = self.items.iter().any(|item| !item.is_dirty(cx));
3067 let is_pinned = self.is_tab_pinned(ix);
3068
3069 let pane = cx.entity().downgrade();
3070 let menu_context = item.item_focus_handle(cx);
3071 let item_handle = item.boxed_clone();
3072
3073 right_click_menu(ix)
3074 .trigger(|_, _, _| tab)
3075 .menu(move |window, cx| {
3076 let pane = pane.clone();
3077 let menu_context = menu_context.clone();
3078 let extra_actions = item_handle.tab_extra_context_menu_actions(window, cx);
3079 ContextMenu::build(window, cx, move |mut menu, window, cx| {
3080 let close_active_item_action = CloseActiveItem {
3081 save_intent: None,
3082 close_pinned: true,
3083 };
3084 let close_inactive_items_action = CloseOtherItems {
3085 save_intent: None,
3086 close_pinned: false,
3087 };
3088 let close_multibuffers_action = CloseMultibufferItems {
3089 save_intent: None,
3090 close_pinned: false,
3091 };
3092 let close_items_to_the_left_action = CloseItemsToTheLeft {
3093 close_pinned: false,
3094 };
3095 let close_items_to_the_right_action = CloseItemsToTheRight {
3096 close_pinned: false,
3097 };
3098 let close_clean_items_action = CloseCleanItems {
3099 close_pinned: false,
3100 };
3101 let close_all_items_action = CloseAllItems {
3102 save_intent: None,
3103 close_pinned: false,
3104 };
3105 if let Some(pane) = pane.upgrade() {
3106 menu = menu
3107 .entry(
3108 "Close",
3109 Some(Box::new(close_active_item_action)),
3110 window.handler_for(&pane, move |pane, window, cx| {
3111 pane.close_item_by_id(item_id, SaveIntent::Close, window, cx)
3112 .detach_and_log_err(cx);
3113 }),
3114 )
3115 .item(ContextMenuItem::Entry(
3116 ContextMenuEntry::new("Close Others")
3117 .action(Box::new(close_inactive_items_action.clone()))
3118 .disabled(total_items == 1)
3119 .handler(window.handler_for(&pane, move |pane, window, cx| {
3120 pane.close_other_items(
3121 &close_inactive_items_action,
3122 Some(item_id),
3123 window,
3124 cx,
3125 )
3126 .detach_and_log_err(cx);
3127 })),
3128 ))
3129 // We make this optional, instead of using disabled as to not overwhelm the context menu unnecessarily
3130 .extend(has_multibuffer_items.then(|| {
3131 ContextMenuItem::Entry(
3132 ContextMenuEntry::new("Close Multibuffers")
3133 .action(Box::new(close_multibuffers_action.clone()))
3134 .handler(window.handler_for(
3135 &pane,
3136 move |pane, window, cx| {
3137 pane.close_multibuffer_items(
3138 &close_multibuffers_action,
3139 window,
3140 cx,
3141 )
3142 .detach_and_log_err(cx);
3143 },
3144 )),
3145 )
3146 }))
3147 .separator()
3148 .item(ContextMenuItem::Entry(
3149 ContextMenuEntry::new("Close Left")
3150 .action(Box::new(close_items_to_the_left_action.clone()))
3151 .disabled(!has_items_to_left)
3152 .handler(window.handler_for(&pane, move |pane, window, cx| {
3153 pane.close_items_to_the_left_by_id(
3154 Some(item_id),
3155 &close_items_to_the_left_action,
3156 window,
3157 cx,
3158 )
3159 .detach_and_log_err(cx);
3160 })),
3161 ))
3162 .item(ContextMenuItem::Entry(
3163 ContextMenuEntry::new("Close Right")
3164 .action(Box::new(close_items_to_the_right_action.clone()))
3165 .disabled(!has_items_to_right)
3166 .handler(window.handler_for(&pane, move |pane, window, cx| {
3167 pane.close_items_to_the_right_by_id(
3168 Some(item_id),
3169 &close_items_to_the_right_action,
3170 window,
3171 cx,
3172 )
3173 .detach_and_log_err(cx);
3174 })),
3175 ))
3176 .separator()
3177 .item(ContextMenuItem::Entry(
3178 ContextMenuEntry::new("Close Clean")
3179 .action(Box::new(close_clean_items_action.clone()))
3180 .disabled(!has_clean_items)
3181 .handler(window.handler_for(&pane, move |pane, window, cx| {
3182 pane.close_clean_items(
3183 &close_clean_items_action,
3184 window,
3185 cx,
3186 )
3187 .detach_and_log_err(cx)
3188 })),
3189 ))
3190 .entry(
3191 "Close All",
3192 Some(Box::new(close_all_items_action.clone())),
3193 window.handler_for(&pane, move |pane, window, cx| {
3194 pane.close_all_items(&close_all_items_action, window, cx)
3195 .detach_and_log_err(cx)
3196 }),
3197 );
3198
3199 let pin_tab_entries = |menu: ContextMenu| {
3200 menu.separator().map(|this| {
3201 if is_pinned {
3202 this.entry(
3203 "Unpin Tab",
3204 Some(TogglePinTab.boxed_clone()),
3205 window.handler_for(&pane, move |pane, window, cx| {
3206 pane.unpin_tab_at(ix, window, cx);
3207 }),
3208 )
3209 } else {
3210 this.entry(
3211 "Pin Tab",
3212 Some(TogglePinTab.boxed_clone()),
3213 window.handler_for(&pane, move |pane, window, cx| {
3214 pane.pin_tab_at(ix, window, cx);
3215 }),
3216 )
3217 }
3218 })
3219 };
3220
3221 if capability != Capability::ReadOnly {
3222 let read_only_label = if capability.editable() {
3223 "Make File Read-Only"
3224 } else {
3225 "Make File Editable"
3226 };
3227 menu = menu.separator().entry(
3228 read_only_label,
3229 None,
3230 window.handler_for(&pane, move |pane, window, cx| {
3231 if let Some(item) = pane.item_for_index(ix) {
3232 item.toggle_read_only(window, cx);
3233 }
3234 }),
3235 );
3236 }
3237
3238 if let Some(entry) = single_entry_to_resolve {
3239 let project_path = pane
3240 .read(cx)
3241 .item_for_entry(entry, cx)
3242 .and_then(|item| item.project_path(cx));
3243 let worktree = project_path.as_ref().and_then(|project_path| {
3244 pane.read(cx)
3245 .project
3246 .upgrade()?
3247 .read(cx)
3248 .worktree_for_id(project_path.worktree_id, cx)
3249 });
3250 let has_relative_path = worktree.as_ref().is_some_and(|worktree| {
3251 worktree
3252 .read(cx)
3253 .root_entry()
3254 .is_some_and(|entry| entry.is_dir())
3255 });
3256
3257 let entry_abs_path = pane.read(cx).entry_abs_path(entry, cx);
3258 let reveal_path = entry_abs_path.clone();
3259 let parent_abs_path = entry_abs_path
3260 .as_deref()
3261 .and_then(|abs_path| Some(abs_path.parent()?.to_path_buf()));
3262 let relative_path = project_path
3263 .map(|project_path| project_path.path)
3264 .filter(|_| has_relative_path);
3265
3266 let visible_in_project_panel = relative_path.is_some()
3267 && worktree.is_some_and(|worktree| worktree.read(cx).is_visible());
3268 let is_local = pane.read(cx).project.upgrade().is_some_and(|project| {
3269 let project = project.read(cx);
3270 project.is_local() || project.is_via_wsl_with_host_interop(cx)
3271 });
3272 let is_remote = pane
3273 .read(cx)
3274 .project
3275 .upgrade()
3276 .is_some_and(|project| project.read(cx).is_remote());
3277
3278 let entry_id = entry.to_proto();
3279
3280 menu = menu
3281 .separator()
3282 .when_some(entry_abs_path, |menu, abs_path| {
3283 menu.entry(
3284 "Copy Path",
3285 Some(Box::new(zed_actions::workspace::CopyPath)),
3286 window.handler_for(&pane, move |_, _, cx| {
3287 cx.write_to_clipboard(ClipboardItem::new_string(
3288 abs_path.to_string_lossy().into_owned(),
3289 ));
3290 }),
3291 )
3292 })
3293 .when_some(relative_path, |menu, relative_path| {
3294 menu.entry(
3295 "Copy Relative Path",
3296 Some(Box::new(zed_actions::workspace::CopyRelativePath)),
3297 window.handler_for(&pane, move |this, _, cx| {
3298 let Some(project) = this.project.upgrade() else {
3299 return;
3300 };
3301 let path_style = project
3302 .update(cx, |project, cx| project.path_style(cx));
3303 cx.write_to_clipboard(ClipboardItem::new_string(
3304 relative_path.display(path_style).to_string(),
3305 ));
3306 }),
3307 )
3308 })
3309 .when(is_local, |menu| {
3310 menu.when_some(reveal_path, |menu, reveal_path| {
3311 menu.separator().entry(
3312 ui::utils::reveal_in_file_manager_label(is_remote),
3313 Some(Box::new(
3314 zed_actions::editor::RevealInFileManager,
3315 )),
3316 window.handler_for(&pane, move |pane, _, cx| {
3317 if let Some(project) = pane.project.upgrade() {
3318 project.update(cx, |project, cx| {
3319 project.reveal_path(&reveal_path, cx);
3320 });
3321 } else {
3322 cx.reveal_path(&reveal_path);
3323 }
3324 }),
3325 )
3326 })
3327 })
3328 .map(pin_tab_entries)
3329 .when(visible_in_project_panel, |menu| {
3330 menu.entry(
3331 "Reveal In Project Panel",
3332 Some(Box::new(RevealInProjectPanel::default())),
3333 window.handler_for(&pane, move |pane, _, cx| {
3334 pane.project
3335 .update(cx, |_, cx| {
3336 cx.emit(project::Event::RevealInProjectPanel(
3337 ProjectEntryId::from_proto(entry_id),
3338 ))
3339 })
3340 .ok();
3341 }),
3342 )
3343 })
3344 .when_some(parent_abs_path, |menu, parent_abs_path| {
3345 menu.entry(
3346 "Open in Terminal",
3347 Some(Box::new(OpenInTerminal)),
3348 window.handler_for(&pane, move |_, window, cx| {
3349 window.dispatch_action(
3350 OpenTerminal {
3351 working_directory: parent_abs_path.clone(),
3352 local: false,
3353 }
3354 .boxed_clone(),
3355 cx,
3356 );
3357 }),
3358 )
3359 });
3360 } else {
3361 menu = menu.map(pin_tab_entries);
3362 }
3363 };
3364
3365 // Add custom item-specific actions
3366 if !extra_actions.is_empty() {
3367 menu = menu.separator();
3368 for (label, action) in extra_actions {
3369 menu = menu.action(label, action);
3370 }
3371 }
3372
3373 menu.context(menu_context)
3374 })
3375 })
3376 }
3377
3378 fn render_tab_bar(&mut self, window: &mut Window, cx: &mut Context<Pane>) -> AnyElement {
3379 if self.workspace.upgrade().is_none() {
3380 return gpui::Empty.into_any();
3381 }
3382
3383 let focus_handle = self.focus_handle.clone();
3384
3385 let navigate_backward = IconButton::new("navigate_backward", IconName::ArrowLeft)
3386 .icon_size(IconSize::Small)
3387 .on_click({
3388 let entity = cx.entity();
3389 move |_, window, cx| {
3390 entity.update(cx, |pane, cx| {
3391 pane.navigate_backward(&Default::default(), window, cx)
3392 })
3393 }
3394 })
3395 .disabled(!self.can_navigate_backward())
3396 .tooltip({
3397 let focus_handle = focus_handle.clone();
3398 move |window, cx| {
3399 Tooltip::for_action_in(
3400 "Go Back",
3401 &GoBack,
3402 &window.focused(cx).unwrap_or_else(|| focus_handle.clone()),
3403 cx,
3404 )
3405 }
3406 });
3407
3408 let navigate_forward = IconButton::new("navigate_forward", IconName::ArrowRight)
3409 .icon_size(IconSize::Small)
3410 .on_click({
3411 let entity = cx.entity();
3412 move |_, window, cx| {
3413 entity.update(cx, |pane, cx| {
3414 pane.navigate_forward(&Default::default(), window, cx)
3415 })
3416 }
3417 })
3418 .disabled(!self.can_navigate_forward())
3419 .tooltip({
3420 let focus_handle = focus_handle.clone();
3421 move |window, cx| {
3422 Tooltip::for_action_in(
3423 "Go Forward",
3424 &GoForward,
3425 &window.focused(cx).unwrap_or_else(|| focus_handle.clone()),
3426 cx,
3427 )
3428 }
3429 });
3430
3431 let mut tab_items = self
3432 .items
3433 .iter()
3434 .enumerate()
3435 .zip(tab_details(&self.items, window, cx))
3436 .map(|((ix, item), detail)| {
3437 self.render_tab(ix, &**item, detail, &focus_handle, window, cx)
3438 .into_any_element()
3439 })
3440 .collect::<Vec<_>>();
3441 let tab_count = tab_items.len();
3442 if self.is_tab_pinned(tab_count) {
3443 log::warn!(
3444 "Pinned tab count ({}) exceeds actual tab count ({}). \
3445 This should not happen. If possible, add reproduction steps, \
3446 in a comment, to https://github.com/zed-industries/zed/issues/33342",
3447 self.pinned_tab_count,
3448 tab_count
3449 );
3450 self.pinned_tab_count = tab_count;
3451 }
3452 let unpinned_tabs = tab_items.split_off(self.pinned_tab_count);
3453 let pinned_tabs = tab_items;
3454
3455 let tab_bar_settings = TabBarSettings::get_global(cx);
3456 let use_separate_rows = tab_bar_settings.show_pinned_tabs_in_separate_row;
3457
3458 if use_separate_rows && !pinned_tabs.is_empty() && !unpinned_tabs.is_empty() {
3459 self.render_two_row_tab_bar(
3460 pinned_tabs,
3461 unpinned_tabs,
3462 tab_count,
3463 navigate_backward,
3464 navigate_forward,
3465 window,
3466 cx,
3467 )
3468 } else {
3469 self.render_single_row_tab_bar(
3470 pinned_tabs,
3471 unpinned_tabs,
3472 tab_count,
3473 navigate_backward,
3474 navigate_forward,
3475 window,
3476 cx,
3477 )
3478 }
3479 }
3480
3481 fn configure_tab_bar_start(
3482 &mut self,
3483 tab_bar: TabBar,
3484 navigate_backward: IconButton,
3485 navigate_forward: IconButton,
3486 window: &mut Window,
3487 cx: &mut Context<Pane>,
3488 ) -> TabBar {
3489 tab_bar
3490 .when(
3491 self.display_nav_history_buttons.unwrap_or_default(),
3492 |tab_bar| {
3493 tab_bar
3494 .start_child(navigate_backward)
3495 .start_child(navigate_forward)
3496 },
3497 )
3498 .map(|tab_bar| {
3499 if self.show_tab_bar_buttons {
3500 let render_tab_buttons = self.render_tab_bar_buttons.clone();
3501 let (left_children, right_children) = render_tab_buttons(self, window, cx);
3502 tab_bar
3503 .start_children(left_children)
3504 .end_children(right_children)
3505 } else {
3506 tab_bar
3507 }
3508 })
3509 }
3510
3511 fn render_single_row_tab_bar(
3512 &mut self,
3513 pinned_tabs: Vec<AnyElement>,
3514 unpinned_tabs: Vec<AnyElement>,
3515 tab_count: usize,
3516 navigate_backward: IconButton,
3517 navigate_forward: IconButton,
3518 window: &mut Window,
3519 cx: &mut Context<Pane>,
3520 ) -> AnyElement {
3521 let tab_bar = self
3522 .configure_tab_bar_start(
3523 TabBar::new("tab_bar"),
3524 navigate_backward,
3525 navigate_forward,
3526 window,
3527 cx,
3528 )
3529 .children(pinned_tabs.len().ne(&0).then(|| {
3530 let max_scroll = self.tab_bar_scroll_handle.max_offset().x;
3531 // We need to check both because offset returns delta values even when the scroll handle is not scrollable
3532 let is_scrolled = self.tab_bar_scroll_handle.offset().x < px(0.);
3533 // Avoid flickering when max_offset is very small (< 2px).
3534 // The border adds 1-2px which can push max_offset back to 0, creating a loop.
3535 let is_scrollable = max_scroll > px(2.0);
3536 let has_active_unpinned_tab = self.active_item_index >= self.pinned_tab_count;
3537 h_flex()
3538 .children(pinned_tabs)
3539 .when(is_scrollable && is_scrolled, |this| {
3540 this.when(has_active_unpinned_tab, |this| this.border_r_2())
3541 .when(!has_active_unpinned_tab, |this| this.border_r_1())
3542 .border_color(cx.theme().colors().border)
3543 })
3544 }))
3545 .child(self.render_unpinned_tabs_container(unpinned_tabs, tab_count, cx));
3546 tab_bar.into_any_element()
3547 }
3548
3549 fn render_two_row_tab_bar(
3550 &mut self,
3551 pinned_tabs: Vec<AnyElement>,
3552 unpinned_tabs: Vec<AnyElement>,
3553 tab_count: usize,
3554 navigate_backward: IconButton,
3555 navigate_forward: IconButton,
3556 window: &mut Window,
3557 cx: &mut Context<Pane>,
3558 ) -> AnyElement {
3559 let pinned_tab_bar = self
3560 .configure_tab_bar_start(
3561 TabBar::new("pinned_tab_bar"),
3562 navigate_backward,
3563 navigate_forward,
3564 window,
3565 cx,
3566 )
3567 .child(
3568 h_flex()
3569 .id("pinned_tabs_row")
3570 .debug_selector(|| "pinned_tabs_row".into())
3571 .overflow_x_scroll()
3572 .w_full()
3573 .children(pinned_tabs)
3574 .child(self.render_pinned_tab_bar_drop_target(cx)),
3575 );
3576 v_flex()
3577 .w_full()
3578 .flex_none()
3579 .child(pinned_tab_bar)
3580 .child(
3581 TabBar::new("unpinned_tab_bar").child(self.render_unpinned_tabs_container(
3582 unpinned_tabs,
3583 tab_count,
3584 cx,
3585 )),
3586 )
3587 .into_any_element()
3588 }
3589
3590 fn render_unpinned_tabs_container(
3591 &mut self,
3592 unpinned_tabs: Vec<AnyElement>,
3593 tab_count: usize,
3594 cx: &mut Context<Pane>,
3595 ) -> impl IntoElement {
3596 h_flex()
3597 .id("unpinned tabs")
3598 .overflow_x_scroll()
3599 .w_full()
3600 .track_scroll(&self.tab_bar_scroll_handle)
3601 .on_scroll_wheel(cx.listener(|this, _, _, _| {
3602 this.suppress_scroll = true;
3603 }))
3604 .children(unpinned_tabs)
3605 .child(self.render_tab_bar_drop_target(tab_count, cx))
3606 }
3607
3608 fn render_tab_bar_drop_target(
3609 &self,
3610 tab_count: usize,
3611 cx: &mut Context<Pane>,
3612 ) -> impl IntoElement {
3613 div()
3614 .id("tab_bar_drop_target")
3615 .min_w_6()
3616 .h(Tab::container_height(cx))
3617 .flex_grow()
3618 // HACK: This empty child is currently necessary to force the drop target to appear
3619 // despite us setting a min width above.
3620 .child("")
3621 .drag_over::<DraggedTab>(|bar, _, _, cx| {
3622 bar.bg(cx.theme().colors().drop_target_background)
3623 })
3624 .drag_over::<DraggedSelection>(|bar, _, _, cx| {
3625 bar.bg(cx.theme().colors().drop_target_background)
3626 })
3627 .on_drop(
3628 cx.listener(move |this, dragged_tab: &DraggedTab, window, cx| {
3629 this.drag_split_direction = None;
3630 this.handle_tab_drop(dragged_tab, this.items.len(), false, window, cx)
3631 }),
3632 )
3633 .on_drop(
3634 cx.listener(move |this, selection: &DraggedSelection, window, cx| {
3635 this.drag_split_direction = None;
3636 this.handle_project_entry_drop(
3637 &selection.active_selection.entry_id,
3638 Some(tab_count),
3639 window,
3640 cx,
3641 )
3642 }),
3643 )
3644 .on_drop(cx.listener(move |this, paths, window, cx| {
3645 this.drag_split_direction = None;
3646 this.handle_external_paths_drop(paths, window, cx)
3647 }))
3648 .on_click(cx.listener(move |this, event: &ClickEvent, window, cx| {
3649 if event.click_count() == 2 {
3650 window.dispatch_action(this.double_click_dispatch_action.boxed_clone(), cx);
3651 }
3652 }))
3653 }
3654
3655 fn render_pinned_tab_bar_drop_target(&self, cx: &mut Context<Pane>) -> impl IntoElement {
3656 div()
3657 .id("pinned_tabs_border")
3658 .debug_selector(|| "pinned_tabs_border".into())
3659 .min_w_6()
3660 .h(Tab::container_height(cx))
3661 .flex_grow()
3662 .border_l_1()
3663 .border_color(cx.theme().colors().border)
3664 // HACK: This empty child is currently necessary to force the drop target to appear
3665 // despite us setting a min width above.
3666 .child("")
3667 .drag_over::<DraggedTab>(|bar, _, _, cx| {
3668 bar.bg(cx.theme().colors().drop_target_background)
3669 })
3670 .drag_over::<DraggedSelection>(|bar, _, _, cx| {
3671 bar.bg(cx.theme().colors().drop_target_background)
3672 })
3673 .on_drop(
3674 cx.listener(move |this, dragged_tab: &DraggedTab, window, cx| {
3675 this.drag_split_direction = None;
3676 this.handle_pinned_tab_bar_drop(dragged_tab, window, cx)
3677 }),
3678 )
3679 .on_drop(
3680 cx.listener(move |this, selection: &DraggedSelection, window, cx| {
3681 this.drag_split_direction = None;
3682 this.handle_project_entry_drop(
3683 &selection.active_selection.entry_id,
3684 Some(this.pinned_tab_count),
3685 window,
3686 cx,
3687 )
3688 }),
3689 )
3690 .on_drop(cx.listener(move |this, paths, window, cx| {
3691 this.drag_split_direction = None;
3692 this.handle_external_paths_drop(paths, window, cx)
3693 }))
3694 .on_click(cx.listener(move |this, event: &ClickEvent, window, cx| {
3695 if event.click_count() == 2 {
3696 window.dispatch_action(this.double_click_dispatch_action.boxed_clone(), cx);
3697 }
3698 }))
3699 }
3700
3701 pub fn render_menu_overlay(menu: &Entity<ContextMenu>) -> Div {
3702 div().absolute().bottom_0().right_0().size_0().child(
3703 deferred(anchored().anchor(Anchor::TopRight).child(menu.clone())).with_priority(1),
3704 )
3705 }
3706
3707 pub fn set_zoomed(&mut self, zoomed: bool, cx: &mut Context<Self>) {
3708 self.zoomed = zoomed;
3709 cx.notify();
3710 }
3711
3712 pub fn is_zoomed(&self) -> bool {
3713 self.zoomed
3714 }
3715
3716 fn handle_drag_move<T: 'static>(
3717 &mut self,
3718 event: &DragMoveEvent<T>,
3719 window: &mut Window,
3720 cx: &mut Context<Self>,
3721 ) {
3722 let can_split_predicate = self.can_split_predicate.take();
3723 let can_split = match &can_split_predicate {
3724 Some(can_split_predicate) => {
3725 can_split_predicate(self, event.dragged_item(), window, cx)
3726 }
3727 None => false,
3728 };
3729 self.can_split_predicate = can_split_predicate;
3730 if !can_split {
3731 return;
3732 }
3733
3734 let rect = event.bounds.size;
3735
3736 let size = event.bounds.size.width.min(event.bounds.size.height)
3737 * WorkspaceSettings::get_global(cx).drop_target_size;
3738
3739 let relative_cursor = Point::new(
3740 event.event.position.x - event.bounds.left(),
3741 event.event.position.y - event.bounds.top(),
3742 );
3743
3744 let direction = if relative_cursor.x < size
3745 || relative_cursor.x > rect.width - size
3746 || relative_cursor.y < size
3747 || relative_cursor.y > rect.height - size
3748 {
3749 [
3750 SplitDirection::Up,
3751 SplitDirection::Right,
3752 SplitDirection::Down,
3753 SplitDirection::Left,
3754 ]
3755 .iter()
3756 .min_by_key(|side| match side {
3757 SplitDirection::Up => relative_cursor.y,
3758 SplitDirection::Right => rect.width - relative_cursor.x,
3759 SplitDirection::Down => rect.height - relative_cursor.y,
3760 SplitDirection::Left => relative_cursor.x,
3761 })
3762 .cloned()
3763 } else {
3764 None
3765 };
3766
3767 if direction != self.drag_split_direction {
3768 self.drag_split_direction = direction;
3769 }
3770 }
3771
3772 pub fn handle_tab_drop(
3773 &mut self,
3774 dragged_tab: &DraggedTab,
3775 ix: usize,
3776 is_pane_target: bool,
3777 window: &mut Window,
3778 cx: &mut Context<Self>,
3779 ) {
3780 if is_pane_target
3781 && ix == self.active_item_index
3782 && let Some(active_item) = self.active_item()
3783 && active_item.handle_drop(self, dragged_tab, window, cx)
3784 {
3785 return;
3786 }
3787
3788 let mut to_pane = cx.entity();
3789 let split_direction = self.drag_split_direction;
3790 let item_id = dragged_tab.item.item_id();
3791 self.unpreview_item_if_preview(item_id);
3792
3793 let is_clone = cfg!(target_os = "macos") && window.modifiers().alt
3794 || cfg!(not(target_os = "macos")) && window.modifiers().control;
3795
3796 let from_pane = dragged_tab.pane.clone();
3797
3798 self.workspace
3799 .update(cx, |_, cx| {
3800 cx.defer_in(window, move |workspace, window, cx| {
3801 if let Some(split_direction) = split_direction {
3802 to_pane = workspace.split_pane(to_pane, split_direction, window, cx);
3803 }
3804 let database_id = workspace.database_id();
3805 let was_pinned_in_from_pane = from_pane.read_with(cx, |pane, _| {
3806 pane.index_for_item_id(item_id)
3807 .is_some_and(|ix| pane.is_tab_pinned(ix))
3808 });
3809 let to_pane_old_length = to_pane.read(cx).items.len();
3810 if is_clone {
3811 let Some(item) = from_pane
3812 .read(cx)
3813 .items()
3814 .find(|item| item.item_id() == item_id)
3815 .cloned()
3816 else {
3817 return;
3818 };
3819 if item.can_split(cx) {
3820 let task = item.clone_on_split(database_id, window, cx);
3821 let to_pane = to_pane.downgrade();
3822 cx.spawn_in(window, async move |_, cx| {
3823 if let Some(item) = task.await {
3824 to_pane
3825 .update_in(cx, |pane, window, cx| {
3826 pane.add_item(item, true, true, None, window, cx)
3827 })
3828 .ok();
3829 }
3830 })
3831 .detach();
3832 } else {
3833 move_item(&from_pane, &to_pane, item_id, ix, true, window, cx);
3834 }
3835 } else {
3836 move_item(&from_pane, &to_pane, item_id, ix, true, window, cx);
3837 }
3838 to_pane.update(cx, |this, _| {
3839 if to_pane == from_pane {
3840 let actual_ix = this
3841 .items
3842 .iter()
3843 .position(|item| item.item_id() == item_id)
3844 .unwrap_or(0);
3845
3846 let is_pinned_in_to_pane = this.is_tab_pinned(actual_ix);
3847
3848 if !was_pinned_in_from_pane && is_pinned_in_to_pane {
3849 this.pinned_tab_count += 1;
3850 } else if was_pinned_in_from_pane && !is_pinned_in_to_pane {
3851 this.pinned_tab_count -= 1;
3852 }
3853 } else if this.items.len() >= to_pane_old_length {
3854 let is_pinned_in_to_pane = this.is_tab_pinned(ix);
3855 let item_created_pane = to_pane_old_length == 0;
3856 let is_first_position = ix == 0;
3857 let was_dropped_at_beginning = item_created_pane || is_first_position;
3858 let should_remain_pinned = is_pinned_in_to_pane
3859 || (was_pinned_in_from_pane && was_dropped_at_beginning);
3860
3861 if should_remain_pinned {
3862 this.pinned_tab_count += 1;
3863 }
3864 }
3865 });
3866 });
3867 })
3868 .log_err();
3869 }
3870
3871 fn handle_pinned_tab_bar_drop(
3872 &mut self,
3873 dragged_tab: &DraggedTab,
3874 window: &mut Window,
3875 cx: &mut Context<Self>,
3876 ) {
3877 let item_id = dragged_tab.item.item_id();
3878 let pinned_count = self.pinned_tab_count;
3879
3880 self.handle_tab_drop(dragged_tab, pinned_count, false, window, cx);
3881
3882 let to_pane = cx.entity();
3883
3884 self.workspace
3885 .update(cx, |_, cx| {
3886 cx.defer_in(window, move |_, _, cx| {
3887 to_pane.update(cx, |this, cx| {
3888 if let Some(actual_ix) = this.index_for_item_id(item_id) {
3889 // If the tab ended up at or after pinned_tab_count, it's not pinned
3890 // so we pin it now
3891 if actual_ix >= this.pinned_tab_count {
3892 let was_active = this.active_item_index == actual_ix;
3893 let destination_ix = this.pinned_tab_count;
3894
3895 // Move item to pinned area if needed
3896 if actual_ix != destination_ix {
3897 let item = this.items.remove(actual_ix);
3898 this.items.insert(destination_ix, item);
3899
3900 // Update active_item_index to follow the moved item
3901 if was_active {
3902 this.active_item_index = destination_ix;
3903 } else if this.active_item_index > actual_ix
3904 && this.active_item_index <= destination_ix
3905 {
3906 // Item moved left past the active item
3907 this.active_item_index -= 1;
3908 } else if this.active_item_index >= destination_ix
3909 && this.active_item_index < actual_ix
3910 {
3911 // Item moved right past the active item
3912 this.active_item_index += 1;
3913 }
3914 }
3915 this.pinned_tab_count += 1;
3916 cx.notify();
3917 }
3918 }
3919 });
3920 });
3921 })
3922 .log_err();
3923 }
3924
3925 fn handle_dragged_selection_drop(
3926 &mut self,
3927 dragged_selection: &DraggedSelection,
3928 dragged_onto: Option<usize>,
3929 window: &mut Window,
3930 cx: &mut Context<Self>,
3931 ) {
3932 if let Some(active_item) = self.active_item()
3933 && active_item.handle_drop(self, dragged_selection, window, cx)
3934 {
3935 return;
3936 }
3937
3938 self.handle_project_entry_drop(
3939 &dragged_selection.active_selection.entry_id,
3940 dragged_onto,
3941 window,
3942 cx,
3943 );
3944 }
3945
3946 fn handle_project_entry_drop(
3947 &mut self,
3948 project_entry_id: &ProjectEntryId,
3949 target: Option<usize>,
3950 window: &mut Window,
3951 cx: &mut Context<Self>,
3952 ) {
3953 if let Some(active_item) = self.active_item()
3954 && active_item.handle_drop(self, project_entry_id, window, cx)
3955 {
3956 return;
3957 }
3958
3959 let mut to_pane = cx.entity();
3960 let split_direction = self.drag_split_direction;
3961 let project_entry_id = *project_entry_id;
3962 self.workspace
3963 .update(cx, |_, cx| {
3964 cx.defer_in(window, move |workspace, window, cx| {
3965 if let Some(project_path) = workspace
3966 .project()
3967 .read(cx)
3968 .path_for_entry(project_entry_id, cx)
3969 {
3970 let load_path_task = workspace.load_path(project_path.clone(), window, cx);
3971 cx.spawn_in(window, async move |workspace, mut cx| {
3972 if let Some((project_entry_id, build_item)) = load_path_task
3973 .await
3974 .notify_workspace_async_err(workspace.clone(), &mut cx)
3975 {
3976 let (to_pane, new_item_handle) = workspace
3977 .update_in(cx, |workspace, window, cx| {
3978 if let Some(split_direction) = split_direction {
3979 to_pane = workspace.split_pane(
3980 to_pane,
3981 split_direction,
3982 window,
3983 cx,
3984 );
3985 }
3986 let new_item_handle = to_pane.update(cx, |pane, cx| {
3987 pane.open_item(
3988 project_entry_id,
3989 project_path,
3990 true,
3991 false,
3992 true,
3993 target,
3994 window,
3995 cx,
3996 build_item,
3997 )
3998 });
3999 (to_pane, new_item_handle)
4000 })
4001 .log_err()?;
4002 to_pane
4003 .update_in(cx, |this, window, cx| {
4004 let Some(index) = this.index_for_item(&*new_item_handle)
4005 else {
4006 return;
4007 };
4008
4009 if target.is_some_and(|target| this.is_tab_pinned(target)) {
4010 this.pin_tab_at(index, window, cx);
4011 }
4012 })
4013 .ok()?
4014 }
4015 Some(())
4016 })
4017 .detach();
4018 };
4019 });
4020 })
4021 .log_err();
4022 }
4023
4024 fn handle_external_paths_drop(
4025 &mut self,
4026 paths: &ExternalPaths,
4027 window: &mut Window,
4028 cx: &mut Context<Self>,
4029 ) {
4030 if let Some(active_item) = self.active_item()
4031 && active_item.handle_drop(self, paths, window, cx)
4032 {
4033 return;
4034 }
4035
4036 let mut to_pane = cx.entity();
4037 let mut split_direction = self.drag_split_direction;
4038 let paths = paths.paths().to_vec();
4039 let is_remote = self
4040 .workspace
4041 .update(cx, |workspace, cx| {
4042 if workspace.project().read(cx).is_via_collab() {
4043 workspace.show_error(
4044 &anyhow::anyhow!("Cannot drop files on a remote project"),
4045 cx,
4046 );
4047 true
4048 } else {
4049 false
4050 }
4051 })
4052 .unwrap_or(true);
4053 if is_remote {
4054 return;
4055 }
4056
4057 self.workspace
4058 .update(cx, |workspace, cx| {
4059 let fs = Arc::clone(workspace.project().read(cx).fs());
4060 cx.spawn_in(window, async move |workspace, cx| {
4061 let mut is_file_checks = FuturesUnordered::new();
4062 for path in &paths {
4063 is_file_checks.push(fs.is_file(path))
4064 }
4065 let mut has_files_to_open = false;
4066 while let Some(is_file) = is_file_checks.next().await {
4067 if is_file {
4068 has_files_to_open = true;
4069 break;
4070 }
4071 }
4072 drop(is_file_checks);
4073 if !has_files_to_open {
4074 split_direction = None;
4075 }
4076
4077 if let Ok((open_task, to_pane)) =
4078 workspace.update_in(cx, |workspace, window, cx| {
4079 if let Some(split_direction) = split_direction {
4080 to_pane =
4081 workspace.split_pane(to_pane, split_direction, window, cx);
4082 }
4083 (
4084 workspace.open_paths(
4085 paths,
4086 OpenOptions {
4087 visible: Some(OpenVisible::OnlyDirectories),
4088 ..Default::default()
4089 },
4090 Some(to_pane.downgrade()),
4091 window,
4092 cx,
4093 ),
4094 to_pane,
4095 )
4096 })
4097 {
4098 let opened_items: Vec<_> = open_task.await;
4099 _ = workspace.update_in(cx, |workspace, window, cx| {
4100 for item in opened_items.into_iter().flatten() {
4101 if let Err(e) = item {
4102 workspace.show_error(&e, cx);
4103 }
4104 }
4105 if to_pane.read(cx).items_len() == 0 {
4106 workspace.remove_pane(to_pane, None, window, cx);
4107 }
4108 });
4109 }
4110 })
4111 .detach();
4112 })
4113 .log_err();
4114 }
4115
4116 pub fn display_nav_history_buttons(&mut self, display: Option<bool>) {
4117 self.display_nav_history_buttons = display;
4118 }
4119
4120 fn pinned_item_ids(&self) -> Vec<EntityId> {
4121 self.items
4122 .iter()
4123 .enumerate()
4124 .filter_map(|(index, item)| {
4125 if self.is_tab_pinned(index) {
4126 return Some(item.item_id());
4127 }
4128
4129 None
4130 })
4131 .collect()
4132 }
4133
4134 fn clean_item_ids(&self, cx: &mut Context<Pane>) -> Vec<EntityId> {
4135 self.items()
4136 .filter_map(|item| {
4137 if !item.is_dirty(cx) {
4138 return Some(item.item_id());
4139 }
4140
4141 None
4142 })
4143 .collect()
4144 }
4145
4146 fn to_the_side_item_ids(&self, item_id: EntityId, side: Side) -> Vec<EntityId> {
4147 match side {
4148 Side::Left => self
4149 .items()
4150 .take_while(|item| item.item_id() != item_id)
4151 .map(|item| item.item_id())
4152 .collect(),
4153 Side::Right => self
4154 .items()
4155 .rev()
4156 .take_while(|item| item.item_id() != item_id)
4157 .map(|item| item.item_id())
4158 .collect(),
4159 }
4160 }
4161
4162 fn multibuffer_item_ids(&self, cx: &mut Context<Pane>) -> Vec<EntityId> {
4163 self.items()
4164 .filter(|item| item.buffer_kind(cx) == ItemBufferKind::Multibuffer)
4165 .map(|item| item.item_id())
4166 .collect()
4167 }
4168
4169 pub fn drag_split_direction(&self) -> Option<SplitDirection> {
4170 self.drag_split_direction
4171 }
4172
4173 pub fn set_zoom_out_on_close(&mut self, zoom_out_on_close: bool) {
4174 self.zoom_out_on_close = zoom_out_on_close;
4175 }
4176}
4177
4178fn default_render_tab_bar_buttons(
4179 pane: &mut Pane,
4180 window: &mut Window,
4181 cx: &mut Context<Pane>,
4182) -> (Option<AnyElement>, Option<AnyElement>) {
4183 if !pane.has_focus(window, cx) && !pane.context_menu_focused(window, cx) {
4184 return (None, None);
4185 }
4186 let (can_clone, can_split_move) = match pane.active_item() {
4187 Some(active_item) if active_item.can_split(cx) => (true, false),
4188 Some(_) => (false, pane.items_len() > 1),
4189 None => (false, false),
4190 };
4191 // Ideally we would return a vec of elements here to pass directly to the [TabBar]'s
4192 // `end_slot`, but due to needing a view here that isn't possible.
4193 let right_children = h_flex()
4194 // Instead we need to replicate the spacing from the [TabBar]'s `end_slot` here.
4195 .gap(DynamicSpacing::Base04.rems(cx))
4196 .child(
4197 PopoverMenu::new("pane-tab-bar-popover-menu")
4198 .trigger_with_tooltip(
4199 IconButton::new("plus", IconName::Plus).icon_size(IconSize::Small),
4200 Tooltip::text("New..."),
4201 )
4202 .anchor(Anchor::TopRight)
4203 .with_handle(pane.new_item_context_menu_handle.clone())
4204 .menu(move |window, cx| {
4205 Some(ContextMenu::build(window, cx, |menu, _, _| {
4206 menu.action("New File", NewFile.boxed_clone())
4207 .action("Open File", ToggleFileFinder::default().boxed_clone())
4208 .separator()
4209 .action("Search Project", DeploySearch::default().boxed_clone())
4210 .action("Search Symbols", ToggleProjectSymbols.boxed_clone())
4211 .separator()
4212 .action("New Terminal", NewTerminal::default().boxed_clone())
4213 .action(
4214 "New Center Terminal",
4215 NewCenterTerminal::default().boxed_clone(),
4216 )
4217 }))
4218 }),
4219 )
4220 .child(
4221 PopoverMenu::new("pane-tab-bar-split")
4222 .trigger_with_tooltip(
4223 IconButton::new("split", IconName::Split)
4224 .icon_size(IconSize::Small)
4225 .disabled(!can_clone && !can_split_move),
4226 Tooltip::text("Split Pane"),
4227 )
4228 .anchor(Anchor::TopRight)
4229 .with_handle(pane.split_item_context_menu_handle.clone())
4230 .menu(move |window, cx| {
4231 ContextMenu::build(window, cx, |menu, _, _| {
4232 let mode = SplitMode::MovePane;
4233 if can_split_move {
4234 menu.action("Split Right", SplitRight { mode }.boxed_clone())
4235 .action("Split Left", SplitLeft { mode }.boxed_clone())
4236 .action("Split Up", SplitUp { mode }.boxed_clone())
4237 .action("Split Down", SplitDown { mode }.boxed_clone())
4238 } else {
4239 menu.action("Split Right", SplitRight::default().boxed_clone())
4240 .action("Split Left", SplitLeft::default().boxed_clone())
4241 .action("Split Up", SplitUp::default().boxed_clone())
4242 .action("Split Down", SplitDown::default().boxed_clone())
4243 }
4244 })
4245 .into()
4246 }),
4247 )
4248 .child({
4249 let zoomed = pane.is_zoomed();
4250 IconButton::new("toggle_zoom", IconName::Maximize)
4251 .icon_size(IconSize::Small)
4252 .toggle_state(zoomed)
4253 .selected_icon(IconName::Minimize)
4254 .on_click(cx.listener(|pane, _, window, cx| {
4255 pane.toggle_zoom(&crate::ToggleZoom, window, cx);
4256 }))
4257 .tooltip(move |_window, cx| {
4258 Tooltip::for_action(
4259 if zoomed { "Zoom Out" } else { "Zoom In" },
4260 &ToggleZoom,
4261 cx,
4262 )
4263 })
4264 })
4265 .into_any_element()
4266 .into();
4267 (None, right_children)
4268}
4269
4270impl Focusable for Pane {
4271 fn focus_handle(&self, _cx: &App) -> FocusHandle {
4272 self.focus_handle.clone()
4273 }
4274}
4275
4276impl Render for Pane {
4277 fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
4278 let mut key_context = KeyContext::new_with_defaults();
4279 key_context.add("Pane");
4280 if self.active_item().is_none() {
4281 key_context.add("EmptyPane");
4282 }
4283
4284 self.toolbar
4285 .read(cx)
4286 .contribute_context(&mut key_context, cx);
4287
4288 let should_display_tab_bar = self.should_display_tab_bar.clone();
4289 let display_tab_bar = should_display_tab_bar(window, cx);
4290 let Some(project) = self.project.upgrade() else {
4291 return div().track_focus(&self.focus_handle(cx));
4292 };
4293 let is_local = project.read(cx).is_local();
4294
4295 v_flex()
4296 .key_context(key_context)
4297 .track_focus(&self.focus_handle(cx))
4298 .size_full()
4299 .flex_none()
4300 .overflow_hidden()
4301 .on_action(cx.listener(|pane, split: &SplitLeft, window, cx| {
4302 pane.split(SplitDirection::Left, split.mode, window, cx)
4303 }))
4304 .on_action(cx.listener(|pane, split: &SplitUp, window, cx| {
4305 pane.split(SplitDirection::Up, split.mode, window, cx)
4306 }))
4307 .on_action(cx.listener(|pane, split: &SplitHorizontal, window, cx| {
4308 pane.split(SplitDirection::horizontal(cx), split.mode, window, cx)
4309 }))
4310 .on_action(cx.listener(|pane, split: &SplitVertical, window, cx| {
4311 pane.split(SplitDirection::vertical(cx), split.mode, window, cx)
4312 }))
4313 .on_action(cx.listener(|pane, split: &SplitRight, window, cx| {
4314 pane.split(SplitDirection::Right, split.mode, window, cx)
4315 }))
4316 .on_action(cx.listener(|pane, split: &SplitDown, window, cx| {
4317 pane.split(SplitDirection::Down, split.mode, window, cx)
4318 }))
4319 .on_action(cx.listener(|pane, _: &SplitAndMoveUp, window, cx| {
4320 pane.split(SplitDirection::Up, SplitMode::MovePane, window, cx)
4321 }))
4322 .on_action(cx.listener(|pane, _: &SplitAndMoveDown, window, cx| {
4323 pane.split(SplitDirection::Down, SplitMode::MovePane, window, cx)
4324 }))
4325 .on_action(cx.listener(|pane, _: &SplitAndMoveLeft, window, cx| {
4326 pane.split(SplitDirection::Left, SplitMode::MovePane, window, cx)
4327 }))
4328 .on_action(cx.listener(|pane, _: &SplitAndMoveRight, window, cx| {
4329 pane.split(SplitDirection::Right, SplitMode::MovePane, window, cx)
4330 }))
4331 .on_action(cx.listener(|_, _: &JoinIntoNext, _, cx| {
4332 cx.emit(Event::JoinIntoNext);
4333 }))
4334 .on_action(cx.listener(|_, _: &JoinAll, _, cx| {
4335 cx.emit(Event::JoinAll);
4336 }))
4337 .on_action(cx.listener(Pane::toggle_zoom))
4338 .on_action(cx.listener(Pane::zoom_in))
4339 .on_action(cx.listener(Pane::zoom_out))
4340 .on_action(cx.listener(Self::navigate_backward))
4341 .on_action(cx.listener(Self::navigate_forward))
4342 .on_action(cx.listener(Self::go_to_older_tag))
4343 .on_action(cx.listener(Self::go_to_newer_tag))
4344 .on_action(
4345 cx.listener(|pane: &mut Pane, action: &ActivateItem, window, cx| {
4346 pane.activate_item(
4347 action.0.min(pane.items.len().saturating_sub(1)),
4348 true,
4349 true,
4350 window,
4351 cx,
4352 );
4353 }),
4354 )
4355 .on_action(cx.listener(Self::alternate_file))
4356 .on_action(cx.listener(Self::activate_last_item))
4357 .on_action(cx.listener(Self::activate_previous_item))
4358 .on_action(cx.listener(Self::activate_next_item))
4359 .on_action(cx.listener(Self::swap_item_left))
4360 .on_action(cx.listener(Self::swap_item_right))
4361 .on_action(cx.listener(Self::toggle_pin_tab))
4362 .on_action(cx.listener(Self::unpin_all_tabs))
4363 .when(PreviewTabsSettings::get_global(cx).enabled, |this| {
4364 this.on_action(
4365 cx.listener(|pane: &mut Pane, _: &TogglePreviewTab, window, cx| {
4366 if let Some(active_item_id) = pane.active_item().map(|i| i.item_id()) {
4367 if pane.is_active_preview_item(active_item_id) {
4368 pane.unpreview_item_if_preview(active_item_id);
4369 } else {
4370 pane.replace_preview_item_id(active_item_id, window, cx);
4371 }
4372 }
4373 }),
4374 )
4375 })
4376 .on_action(
4377 cx.listener(|pane: &mut Self, action: &CloseActiveItem, window, cx| {
4378 pane.close_active_item(action, window, cx)
4379 .detach_and_log_err(cx)
4380 }),
4381 )
4382 .on_action(
4383 cx.listener(|pane: &mut Self, action: &CloseOtherItems, window, cx| {
4384 pane.close_other_items(action, None, window, cx)
4385 .detach_and_log_err(cx);
4386 }),
4387 )
4388 .on_action(
4389 cx.listener(|pane: &mut Self, action: &CloseCleanItems, window, cx| {
4390 pane.close_clean_items(action, window, cx)
4391 .detach_and_log_err(cx)
4392 }),
4393 )
4394 .on_action(cx.listener(
4395 |pane: &mut Self, action: &CloseItemsToTheLeft, window, cx| {
4396 pane.close_items_to_the_left_by_id(None, action, window, cx)
4397 .detach_and_log_err(cx)
4398 },
4399 ))
4400 .on_action(cx.listener(
4401 |pane: &mut Self, action: &CloseItemsToTheRight, window, cx| {
4402 pane.close_items_to_the_right_by_id(None, action, window, cx)
4403 .detach_and_log_err(cx)
4404 },
4405 ))
4406 .on_action(
4407 cx.listener(|pane: &mut Self, action: &CloseAllItems, window, cx| {
4408 pane.close_all_items(action, window, cx)
4409 .detach_and_log_err(cx)
4410 }),
4411 )
4412 .on_action(cx.listener(
4413 |pane: &mut Self, action: &CloseMultibufferItems, window, cx| {
4414 pane.close_multibuffer_items(action, window, cx)
4415 .detach_and_log_err(cx)
4416 },
4417 ))
4418 .on_action(cx.listener(
4419 |pane: &mut Self, action: &RevealInProjectPanel, _window, cx| {
4420 let active_item = pane.active_item();
4421 let entry_id = active_item.as_ref().and_then(|item| {
4422 action
4423 .entry_id
4424 .map(ProjectEntryId::from_proto)
4425 .or_else(|| item.project_entry_ids(cx).first().copied())
4426 });
4427
4428 pane.project
4429 .update(cx, |project, cx| {
4430 if let Some(entry_id) = entry_id
4431 && project
4432 .worktree_for_entry(entry_id, cx)
4433 .is_some_and(|worktree| worktree.read(cx).is_visible())
4434 {
4435 return cx.emit(project::Event::RevealInProjectPanel(entry_id));
4436 }
4437
4438 // When no entry is found, which is the case when
4439 // working with an unsaved buffer, or the worktree
4440 // is not visible, for example, a file that doesn't
4441 // belong to an open project, we can't reveal the
4442 // entry but we still want to activate the project
4443 // panel.
4444 cx.emit(project::Event::ActivateProjectPanel);
4445 })
4446 .log_err();
4447 },
4448 ))
4449 .on_action(cx.listener(|_, _: &menu::Cancel, window, cx| {
4450 if cx.stop_active_drag(window) {
4451 } else {
4452 cx.propagate();
4453 }
4454 }))
4455 .when(self.active_item().is_some() && display_tab_bar, |pane| {
4456 pane.child((self.render_tab_bar.clone())(self, window, cx))
4457 })
4458 .child({
4459 let has_worktrees = project.read(cx).visible_worktrees(cx).next().is_some();
4460 // main content
4461 div()
4462 .flex_1()
4463 .relative()
4464 .group("")
4465 .overflow_hidden()
4466 .on_drag_move::<DraggedTab>(cx.listener(Self::handle_drag_move))
4467 .on_drag_move::<DraggedSelection>(cx.listener(Self::handle_drag_move))
4468 .when(is_local, |div| {
4469 div.on_drag_move::<ExternalPaths>(cx.listener(Self::handle_drag_move))
4470 })
4471 .map(|div| {
4472 if let Some(item) = self.active_item() {
4473 div.id("pane_placeholder")
4474 .v_flex()
4475 .size_full()
4476 .overflow_hidden()
4477 .child(self.toolbar.clone())
4478 .child(item.to_any_view())
4479 } else {
4480 let placeholder = div
4481 .id("pane_placeholder")
4482 .h_flex()
4483 .size_full()
4484 .justify_center()
4485 .on_click(cx.listener(
4486 move |this, event: &ClickEvent, window, cx| {
4487 if event.click_count() == 2 {
4488 window.dispatch_action(
4489 this.double_click_dispatch_action.boxed_clone(),
4490 cx,
4491 );
4492 }
4493 },
4494 ));
4495 if has_worktrees || !self.should_display_welcome_page {
4496 placeholder
4497 } else {
4498 if self.welcome_page.is_none() {
4499 let workspace = self.workspace.clone();
4500 self.welcome_page = Some(cx.new(|cx| {
4501 crate::welcome::WelcomePage::new(
4502 workspace, true, window, cx,
4503 )
4504 }));
4505 }
4506 placeholder.child(self.welcome_page.clone().unwrap())
4507 }
4508 }
4509 .focus_follows_mouse(self.focus_follows_mouse, cx)
4510 })
4511 .child(
4512 // drag target
4513 div()
4514 .invisible()
4515 .absolute()
4516 .bg(cx.theme().colors().drop_target_background)
4517 .group_drag_over::<DraggedTab>("", |style| style.visible())
4518 .group_drag_over::<DraggedSelection>("", |style| style.visible())
4519 .when(is_local, |div| {
4520 div.group_drag_over::<ExternalPaths>("", |style| style.visible())
4521 })
4522 .when_some(self.can_drop_predicate.clone(), |this, p| {
4523 this.can_drop(move |a, window, cx| p(a, window, cx))
4524 })
4525 .on_drop(cx.listener(move |this, dragged_tab, window, cx| {
4526 this.handle_tab_drop(
4527 dragged_tab,
4528 this.active_item_index(),
4529 true,
4530 window,
4531 cx,
4532 )
4533 }))
4534 .on_drop(cx.listener(
4535 move |this, selection: &DraggedSelection, window, cx| {
4536 this.handle_dragged_selection_drop(selection, None, window, cx)
4537 },
4538 ))
4539 .on_drop(cx.listener(move |this, paths, window, cx| {
4540 this.handle_external_paths_drop(paths, window, cx)
4541 }))
4542 .map(|div| {
4543 let size = DefiniteLength::Fraction(0.5);
4544 match self.drag_split_direction {
4545 None => div.top_0().right_0().bottom_0().left_0(),
4546 Some(SplitDirection::Up) => {
4547 div.top_0().left_0().right_0().h(size)
4548 }
4549 Some(SplitDirection::Down) => {
4550 div.left_0().bottom_0().right_0().h(size)
4551 }
4552 Some(SplitDirection::Left) => {
4553 div.top_0().left_0().bottom_0().w(size)
4554 }
4555 Some(SplitDirection::Right) => {
4556 div.top_0().bottom_0().right_0().w(size)
4557 }
4558 }
4559 }),
4560 )
4561 })
4562 .on_mouse_down(
4563 MouseButton::Navigate(NavigationDirection::Back),
4564 cx.listener(|pane, _, window, cx| {
4565 if let Some(workspace) = pane.workspace.upgrade() {
4566 let pane = cx.entity().downgrade();
4567 window.defer(cx, move |window, cx| {
4568 workspace.update(cx, |workspace, cx| {
4569 workspace.go_back(pane, window, cx).detach_and_log_err(cx)
4570 })
4571 })
4572 }
4573 }),
4574 )
4575 .on_mouse_down(
4576 MouseButton::Navigate(NavigationDirection::Forward),
4577 cx.listener(|pane, _, window, cx| {
4578 if let Some(workspace) = pane.workspace.upgrade() {
4579 let pane = cx.entity().downgrade();
4580 window.defer(cx, move |window, cx| {
4581 workspace.update(cx, |workspace, cx| {
4582 workspace
4583 .go_forward(pane, window, cx)
4584 .detach_and_log_err(cx)
4585 })
4586 })
4587 }
4588 }),
4589 )
4590 }
4591}
4592
4593impl ItemNavHistory {
4594 pub fn push<D: 'static + Any + Send + Sync>(
4595 &mut self,
4596 data: Option<D>,
4597 row: Option<u32>,
4598 cx: &mut App,
4599 ) {
4600 if self
4601 .item
4602 .upgrade()
4603 .is_some_and(|item| item.include_in_nav_history())
4604 {
4605 let is_preview_item = self.history.0.lock().preview_item_id == Some(self.item.id());
4606 self.history
4607 .push(data, self.item.clone(), is_preview_item, row, cx);
4608 }
4609 }
4610
4611 pub fn navigation_entry(&self, data: Option<Arc<dyn Any + Send + Sync>>) -> NavigationEntry {
4612 let is_preview_item = self.history.0.lock().preview_item_id == Some(self.item.id());
4613 NavigationEntry {
4614 item: self.item.clone(),
4615 data,
4616 timestamp: 0,
4617 is_preview: is_preview_item,
4618 row: None,
4619 }
4620 }
4621
4622 pub fn push_tag(&mut self, origin: Option<NavigationEntry>, target: Option<NavigationEntry>) {
4623 if let (Some(origin_entry), Some(target_entry)) = (origin, target) {
4624 self.history.push_tag(origin_entry, target_entry);
4625 }
4626 }
4627
4628 pub fn pop_backward(&mut self, cx: &mut App) -> Option<NavigationEntry> {
4629 self.history.pop(NavigationMode::GoingBack, cx)
4630 }
4631
4632 pub fn pop_forward(&mut self, cx: &mut App) -> Option<NavigationEntry> {
4633 self.history.pop(NavigationMode::GoingForward, cx)
4634 }
4635}
4636
4637impl NavHistory {
4638 pub fn for_each_entry(
4639 &self,
4640 cx: &App,
4641 f: &mut dyn FnMut(&NavigationEntry, (ProjectPath, Option<PathBuf>)),
4642 ) {
4643 let borrowed_history = self.0.lock();
4644 borrowed_history
4645 .forward_stack
4646 .iter()
4647 .chain(borrowed_history.backward_stack.iter())
4648 .chain(borrowed_history.closed_stack.iter())
4649 .for_each(|entry| {
4650 if let Some(project_and_abs_path) =
4651 borrowed_history.paths_by_item.get(&entry.item.id())
4652 {
4653 f(entry, project_and_abs_path.clone());
4654 } else if let Some(item) = entry.item.upgrade()
4655 && let Some(path) = item.project_path(cx)
4656 {
4657 f(entry, (path, None));
4658 }
4659 })
4660 }
4661
4662 pub fn set_mode(&mut self, mode: NavigationMode) {
4663 self.0.lock().mode = mode;
4664 }
4665
4666 pub fn mode(&self) -> NavigationMode {
4667 self.0.lock().mode
4668 }
4669
4670 pub fn disable(&mut self) {
4671 self.0.lock().mode = NavigationMode::Disabled;
4672 }
4673
4674 pub fn enable(&mut self) {
4675 self.0.lock().mode = NavigationMode::Normal;
4676 }
4677
4678 pub fn clear(&mut self, cx: &mut App) {
4679 let mut state = self.0.lock();
4680
4681 if state.backward_stack.is_empty()
4682 && state.forward_stack.is_empty()
4683 && state.closed_stack.is_empty()
4684 && state.paths_by_item.is_empty()
4685 && state.tag_stack.is_empty()
4686 {
4687 return;
4688 }
4689
4690 state.mode = NavigationMode::Normal;
4691 state.backward_stack.clear();
4692 state.forward_stack.clear();
4693 state.closed_stack.clear();
4694 state.paths_by_item.clear();
4695 state.tag_stack.clear();
4696 state.tag_stack_pos = 0;
4697 state.did_update(cx);
4698 }
4699
4700 pub fn pop(&mut self, mode: NavigationMode, cx: &mut App) -> Option<NavigationEntry> {
4701 let mut state = self.0.lock();
4702 let entry = match mode {
4703 NavigationMode::Normal | NavigationMode::Disabled | NavigationMode::ClosingItem => {
4704 return None;
4705 }
4706 NavigationMode::GoingBack => &mut state.backward_stack,
4707 NavigationMode::GoingForward => &mut state.forward_stack,
4708 NavigationMode::ReopeningClosedItem => &mut state.closed_stack,
4709 }
4710 .pop_back();
4711 if entry.is_some() {
4712 state.did_update(cx);
4713 }
4714 entry
4715 }
4716
4717 pub fn push<D: 'static + Any + Send + Sync>(
4718 &mut self,
4719 data: Option<D>,
4720 item: Arc<dyn WeakItemHandle + Send + Sync>,
4721 is_preview: bool,
4722 row: Option<u32>,
4723 cx: &mut App,
4724 ) {
4725 let state = &mut *self.0.lock();
4726 let new_item_id = item.id();
4727
4728 let is_same_location =
4729 |entry: &NavigationEntry| entry.item.id() == new_item_id && entry.row == row;
4730
4731 match state.mode {
4732 NavigationMode::Disabled => {}
4733 NavigationMode::Normal | NavigationMode::ReopeningClosedItem => {
4734 state
4735 .backward_stack
4736 .retain(|entry| !is_same_location(entry));
4737
4738 if state.backward_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
4739 state.backward_stack.pop_front();
4740 }
4741 state.backward_stack.push_back(NavigationEntry {
4742 item,
4743 data: data.map(|data| Arc::new(data) as Arc<dyn Any + Send + Sync>),
4744 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
4745 is_preview,
4746 row,
4747 });
4748 state.forward_stack.clear();
4749 }
4750 NavigationMode::GoingBack => {
4751 state.forward_stack.retain(|entry| !is_same_location(entry));
4752
4753 if state.forward_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
4754 state.forward_stack.pop_front();
4755 }
4756 state.forward_stack.push_back(NavigationEntry {
4757 item,
4758 data: data.map(|data| Arc::new(data) as Arc<dyn Any + Send + Sync>),
4759 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
4760 is_preview,
4761 row,
4762 });
4763 }
4764 NavigationMode::GoingForward => {
4765 state
4766 .backward_stack
4767 .retain(|entry| !is_same_location(entry));
4768
4769 if state.backward_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
4770 state.backward_stack.pop_front();
4771 }
4772 state.backward_stack.push_back(NavigationEntry {
4773 item,
4774 data: data.map(|data| Arc::new(data) as Arc<dyn Any + Send + Sync>),
4775 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
4776 is_preview,
4777 row,
4778 });
4779 }
4780 NavigationMode::ClosingItem if is_preview => return,
4781 NavigationMode::ClosingItem => {
4782 if state.closed_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
4783 state.closed_stack.pop_front();
4784 }
4785 state.closed_stack.push_back(NavigationEntry {
4786 item,
4787 data: data.map(|data| Arc::new(data) as Arc<dyn Any + Send + Sync>),
4788 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
4789 is_preview,
4790 row,
4791 });
4792 }
4793 }
4794 state.did_update(cx);
4795 }
4796
4797 pub fn remove_item(&mut self, item_id: EntityId) {
4798 let mut state = self.0.lock();
4799 state.paths_by_item.remove(&item_id);
4800 state
4801 .backward_stack
4802 .retain(|entry| entry.item.id() != item_id);
4803 state
4804 .forward_stack
4805 .retain(|entry| entry.item.id() != item_id);
4806 state
4807 .closed_stack
4808 .retain(|entry| entry.item.id() != item_id);
4809 state
4810 .tag_stack
4811 .retain(|entry| entry.origin.item.id() != item_id && entry.target.item.id() != item_id);
4812 }
4813
4814 pub fn rename_item(
4815 &mut self,
4816 item_id: EntityId,
4817 project_path: ProjectPath,
4818 abs_path: Option<PathBuf>,
4819 ) {
4820 let mut state = self.0.lock();
4821 let path_for_item = state.paths_by_item.get_mut(&item_id);
4822 if let Some(path_for_item) = path_for_item {
4823 path_for_item.0 = project_path;
4824 path_for_item.1 = abs_path;
4825 }
4826 }
4827
4828 pub fn path_for_item(&self, item_id: EntityId) -> Option<(ProjectPath, Option<PathBuf>)> {
4829 self.0.lock().paths_by_item.get(&item_id).cloned()
4830 }
4831
4832 pub fn push_tag(&mut self, origin: NavigationEntry, target: NavigationEntry) {
4833 let mut state = self.0.lock();
4834 let truncate_to = state.tag_stack_pos;
4835 state.tag_stack.truncate(truncate_to);
4836 state.tag_stack.push_back(TagStackEntry { origin, target });
4837 state.tag_stack_pos = state.tag_stack.len();
4838 }
4839
4840 pub fn pop_tag(&mut self, mode: TagNavigationMode) -> Option<NavigationEntry> {
4841 let mut state = self.0.lock();
4842 match mode {
4843 TagNavigationMode::Older => {
4844 if state.tag_stack_pos > 0 {
4845 state.tag_stack_pos -= 1;
4846 state
4847 .tag_stack
4848 .get(state.tag_stack_pos)
4849 .map(|e| e.origin.clone())
4850 } else {
4851 None
4852 }
4853 }
4854 TagNavigationMode::Newer => {
4855 let entry = state
4856 .tag_stack
4857 .get(state.tag_stack_pos)
4858 .map(|e| e.target.clone());
4859 if state.tag_stack_pos < state.tag_stack.len() {
4860 state.tag_stack_pos += 1;
4861 }
4862 entry
4863 }
4864 }
4865 }
4866}
4867
4868impl NavHistoryState {
4869 pub fn did_update(&self, cx: &mut App) {
4870 if let Some(pane) = self.pane.upgrade() {
4871 cx.defer(move |cx| {
4872 pane.update(cx, |pane, cx| pane.history_updated(cx));
4873 });
4874 }
4875 }
4876}
4877
4878fn dirty_message_for(buffer_path: Option<ProjectPath>, path_style: PathStyle) -> String {
4879 let path = buffer_path
4880 .as_ref()
4881 .and_then(|p| {
4882 let path = p.path.display(path_style);
4883 if path.is_empty() { None } else { Some(path) }
4884 })
4885 .unwrap_or("This buffer".into());
4886 let path = truncate_and_remove_front(&path, 80);
4887 format!("{path} contains unsaved edits. Do you want to save it?")
4888}
4889
4890pub fn tab_details(items: &[Box<dyn ItemHandle>], _window: &Window, cx: &App) -> Vec<usize> {
4891 util::disambiguate::compute_disambiguation_details(items, |item, detail| {
4892 item.tab_content_text(detail, cx)
4893 })
4894}
4895
4896pub fn render_item_indicator(item: Box<dyn ItemHandle>, cx: &App) -> Option<Indicator> {
4897 maybe!({
4898 let indicator_color = match (item.has_conflict(cx), item.is_dirty(cx)) {
4899 (true, _) => Color::Warning,
4900 (_, true) => Color::Accent,
4901 (false, false) => return None,
4902 };
4903
4904 Some(Indicator::dot().color(indicator_color))
4905 })
4906}
4907
4908impl Render for DraggedTab {
4909 fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
4910 let ui_font = ThemeSettings::get_global(cx).ui_font.clone();
4911 let label = self.item.tab_content(
4912 TabContentParams {
4913 detail: Some(self.detail),
4914 selected: false,
4915 preview: false,
4916 deemphasized: false,
4917 },
4918 window,
4919 cx,
4920 );
4921 Tab::new("")
4922 .toggle_state(self.is_active)
4923 .child(label)
4924 .render(window, cx)
4925 .font(ui_font)
4926 }
4927}
4928
4929#[cfg(test)]
4930mod tests {
4931 use std::{cell::Cell, iter::zip, num::NonZero, rc::Rc};
4932
4933 use super::*;
4934 use crate::{
4935 Member,
4936 item::test::{TestItem, TestProjectItem},
4937 };
4938 use gpui::{
4939 AppContext, Axis, Modifiers, MouseButton, MouseDownEvent, MouseMoveEvent, MouseUpEvent,
4940 TestAppContext, VisualTestContext, size,
4941 };
4942 use project::FakeFs;
4943 use settings::SettingsStore;
4944 use theme::LoadThemes;
4945 use util::TryFutureExt;
4946
4947 // drop_call_count is a Cell here because `handle_drop` takes &self, not &mut self.
4948 struct CustomDropHandlingItem {
4949 focus_handle: gpui::FocusHandle,
4950 drop_call_count: Cell<usize>,
4951 }
4952
4953 impl CustomDropHandlingItem {
4954 fn new(cx: &mut Context<Self>) -> Self {
4955 Self {
4956 focus_handle: cx.focus_handle(),
4957 drop_call_count: Cell::new(0),
4958 }
4959 }
4960
4961 fn drop_call_count(&self) -> usize {
4962 self.drop_call_count.get()
4963 }
4964 }
4965
4966 impl EventEmitter<()> for CustomDropHandlingItem {}
4967
4968 impl Focusable for CustomDropHandlingItem {
4969 fn focus_handle(&self, _cx: &App) -> gpui::FocusHandle {
4970 self.focus_handle.clone()
4971 }
4972 }
4973
4974 impl Render for CustomDropHandlingItem {
4975 fn render(
4976 &mut self,
4977 _window: &mut Window,
4978 _cx: &mut Context<Self>,
4979 ) -> impl gpui::IntoElement {
4980 gpui::Empty
4981 }
4982 }
4983
4984 impl Item for CustomDropHandlingItem {
4985 type Event = ();
4986
4987 fn tab_content_text(&self, _detail: usize, _cx: &App) -> gpui::SharedString {
4988 "custom_drop_handling_item".into()
4989 }
4990
4991 fn handle_drop(
4992 &self,
4993 _active_pane: &Pane,
4994 dropped: &dyn std::any::Any,
4995 _window: &mut Window,
4996 _cx: &mut App,
4997 ) -> bool {
4998 let is_dragged_tab = dropped.downcast_ref::<DraggedTab>().is_some();
4999 if is_dragged_tab {
5000 self.drop_call_count.set(self.drop_call_count.get() + 1);
5001 }
5002 is_dragged_tab
5003 }
5004 }
5005
5006 #[gpui::test]
5007 async fn test_add_item_capped_to_max_tabs(cx: &mut TestAppContext) {
5008 init_test(cx);
5009 let fs = FakeFs::new(cx.executor());
5010
5011 let project = Project::test(fs, None, cx).await;
5012 let (workspace, cx) =
5013 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5014 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5015
5016 for i in 0..7 {
5017 add_labeled_item(&pane, format!("{}", i).as_str(), false, cx);
5018 }
5019
5020 set_max_tabs(cx, Some(5));
5021 add_labeled_item(&pane, "7", false, cx);
5022 // Remove items to respect the max tab cap.
5023 assert_item_labels(&pane, ["3", "4", "5", "6", "7*"], cx);
5024 pane.update_in(cx, |pane, window, cx| {
5025 pane.activate_item(0, false, false, window, cx);
5026 });
5027 add_labeled_item(&pane, "X", false, cx);
5028 // Respect activation order.
5029 assert_item_labels(&pane, ["3", "X*", "5", "6", "7"], cx);
5030
5031 for i in 0..7 {
5032 add_labeled_item(&pane, format!("D{}", i).as_str(), true, cx);
5033 }
5034 // Keeps dirty items, even over max tab cap.
5035 assert_item_labels(
5036 &pane,
5037 ["D0^", "D1^", "D2^", "D3^", "D4^", "D5^", "D6*^"],
5038 cx,
5039 );
5040
5041 set_max_tabs(cx, None);
5042 for i in 0..7 {
5043 add_labeled_item(&pane, format!("N{}", i).as_str(), false, cx);
5044 }
5045 // No cap when max tabs is None.
5046 assert_item_labels(
5047 &pane,
5048 [
5049 "D0^", "D1^", "D2^", "D3^", "D4^", "D5^", "D6^", "N0", "N1", "N2", "N3", "N4",
5050 "N5", "N6*",
5051 ],
5052 cx,
5053 );
5054 }
5055
5056 #[gpui::test]
5057 async fn test_reduce_max_tabs_closes_existing_items(cx: &mut TestAppContext) {
5058 init_test(cx);
5059 let fs = FakeFs::new(cx.executor());
5060
5061 let project = Project::test(fs, None, cx).await;
5062 let (workspace, cx) =
5063 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5064 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5065
5066 add_labeled_item(&pane, "A", false, cx);
5067 add_labeled_item(&pane, "B", false, cx);
5068 let item_c = add_labeled_item(&pane, "C", false, cx);
5069 let item_d = add_labeled_item(&pane, "D", false, cx);
5070 add_labeled_item(&pane, "E", false, cx);
5071 add_labeled_item(&pane, "Settings", false, cx);
5072 assert_item_labels(&pane, ["A", "B", "C", "D", "E", "Settings*"], cx);
5073
5074 set_max_tabs(cx, Some(5));
5075 assert_item_labels(&pane, ["B", "C", "D", "E", "Settings*"], cx);
5076
5077 set_max_tabs(cx, Some(4));
5078 assert_item_labels(&pane, ["C", "D", "E", "Settings*"], cx);
5079
5080 pane.update_in(cx, |pane, window, cx| {
5081 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5082 pane.pin_tab_at(ix, window, cx);
5083
5084 let ix = pane.index_for_item_id(item_d.item_id()).unwrap();
5085 pane.pin_tab_at(ix, window, cx);
5086 });
5087 assert_item_labels(&pane, ["C!", "D!", "E", "Settings*"], cx);
5088
5089 set_max_tabs(cx, Some(2));
5090 assert_item_labels(&pane, ["C!", "D!", "Settings*"], cx);
5091 }
5092
5093 #[gpui::test]
5094 async fn test_allow_pinning_dirty_item_at_max_tabs(cx: &mut TestAppContext) {
5095 init_test(cx);
5096 let fs = FakeFs::new(cx.executor());
5097
5098 let project = Project::test(fs, None, cx).await;
5099 let (workspace, cx) =
5100 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5101 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5102
5103 set_max_tabs(cx, Some(1));
5104 let item_a = add_labeled_item(&pane, "A", true, cx);
5105
5106 pane.update_in(cx, |pane, window, cx| {
5107 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5108 pane.pin_tab_at(ix, window, cx);
5109 });
5110 assert_item_labels(&pane, ["A*^!"], cx);
5111 }
5112
5113 #[gpui::test]
5114 async fn test_allow_pinning_non_dirty_item_at_max_tabs(cx: &mut TestAppContext) {
5115 init_test(cx);
5116 let fs = FakeFs::new(cx.executor());
5117
5118 let project = Project::test(fs, None, cx).await;
5119 let (workspace, cx) =
5120 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5121 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5122
5123 set_max_tabs(cx, Some(1));
5124 let item_a = add_labeled_item(&pane, "A", false, cx);
5125
5126 pane.update_in(cx, |pane, window, cx| {
5127 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5128 pane.pin_tab_at(ix, window, cx);
5129 });
5130 assert_item_labels(&pane, ["A*!"], cx);
5131 }
5132
5133 #[gpui::test]
5134 async fn test_pin_tabs_incrementally_at_max_capacity(cx: &mut TestAppContext) {
5135 init_test(cx);
5136 let fs = FakeFs::new(cx.executor());
5137
5138 let project = Project::test(fs, None, cx).await;
5139 let (workspace, cx) =
5140 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5141 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5142
5143 set_max_tabs(cx, Some(3));
5144
5145 let item_a = add_labeled_item(&pane, "A", false, cx);
5146 assert_item_labels(&pane, ["A*"], cx);
5147
5148 pane.update_in(cx, |pane, window, cx| {
5149 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5150 pane.pin_tab_at(ix, window, cx);
5151 });
5152 assert_item_labels(&pane, ["A*!"], cx);
5153
5154 let item_b = add_labeled_item(&pane, "B", false, cx);
5155 assert_item_labels(&pane, ["A!", "B*"], cx);
5156
5157 pane.update_in(cx, |pane, window, cx| {
5158 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5159 pane.pin_tab_at(ix, window, cx);
5160 });
5161 assert_item_labels(&pane, ["A!", "B*!"], cx);
5162
5163 let item_c = add_labeled_item(&pane, "C", false, cx);
5164 assert_item_labels(&pane, ["A!", "B!", "C*"], cx);
5165
5166 pane.update_in(cx, |pane, window, cx| {
5167 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5168 pane.pin_tab_at(ix, window, cx);
5169 });
5170 assert_item_labels(&pane, ["A!", "B!", "C*!"], cx);
5171 }
5172
5173 #[gpui::test]
5174 async fn test_pin_tabs_left_to_right_after_opening_at_max_capacity(cx: &mut TestAppContext) {
5175 init_test(cx);
5176 let fs = FakeFs::new(cx.executor());
5177
5178 let project = Project::test(fs, None, cx).await;
5179 let (workspace, cx) =
5180 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5181 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5182
5183 set_max_tabs(cx, Some(3));
5184
5185 let item_a = add_labeled_item(&pane, "A", false, cx);
5186 assert_item_labels(&pane, ["A*"], cx);
5187
5188 let item_b = add_labeled_item(&pane, "B", false, cx);
5189 assert_item_labels(&pane, ["A", "B*"], cx);
5190
5191 let item_c = add_labeled_item(&pane, "C", false, cx);
5192 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5193
5194 pane.update_in(cx, |pane, window, cx| {
5195 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5196 pane.pin_tab_at(ix, window, cx);
5197 });
5198 assert_item_labels(&pane, ["A!", "B", "C*"], cx);
5199
5200 pane.update_in(cx, |pane, window, cx| {
5201 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5202 pane.pin_tab_at(ix, window, cx);
5203 });
5204 assert_item_labels(&pane, ["A!", "B!", "C*"], cx);
5205
5206 pane.update_in(cx, |pane, window, cx| {
5207 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5208 pane.pin_tab_at(ix, window, cx);
5209 });
5210 assert_item_labels(&pane, ["A!", "B!", "C*!"], cx);
5211 }
5212
5213 #[gpui::test]
5214 async fn test_pin_tabs_right_to_left_after_opening_at_max_capacity(cx: &mut TestAppContext) {
5215 init_test(cx);
5216 let fs = FakeFs::new(cx.executor());
5217
5218 let project = Project::test(fs, None, cx).await;
5219 let (workspace, cx) =
5220 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5221 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5222
5223 set_max_tabs(cx, Some(3));
5224
5225 let item_a = add_labeled_item(&pane, "A", false, cx);
5226 assert_item_labels(&pane, ["A*"], cx);
5227
5228 let item_b = add_labeled_item(&pane, "B", false, cx);
5229 assert_item_labels(&pane, ["A", "B*"], cx);
5230
5231 let item_c = add_labeled_item(&pane, "C", false, cx);
5232 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5233
5234 pane.update_in(cx, |pane, window, cx| {
5235 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5236 pane.pin_tab_at(ix, window, cx);
5237 });
5238 assert_item_labels(&pane, ["C*!", "A", "B"], cx);
5239
5240 pane.update_in(cx, |pane, window, cx| {
5241 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5242 pane.pin_tab_at(ix, window, cx);
5243 });
5244 assert_item_labels(&pane, ["C*!", "B!", "A"], cx);
5245
5246 pane.update_in(cx, |pane, window, cx| {
5247 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5248 pane.pin_tab_at(ix, window, cx);
5249 });
5250 assert_item_labels(&pane, ["C*!", "B!", "A!"], cx);
5251 }
5252
5253 #[gpui::test]
5254 async fn test_pinned_tabs_never_closed_at_max_tabs(cx: &mut TestAppContext) {
5255 init_test(cx);
5256 let fs = FakeFs::new(cx.executor());
5257
5258 let project = Project::test(fs, None, cx).await;
5259 let (workspace, cx) =
5260 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5261 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5262
5263 let item_a = add_labeled_item(&pane, "A", false, cx);
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
5269 let item_b = add_labeled_item(&pane, "B", false, cx);
5270 pane.update_in(cx, |pane, window, cx| {
5271 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5272 pane.pin_tab_at(ix, window, cx);
5273 });
5274
5275 add_labeled_item(&pane, "C", false, cx);
5276 add_labeled_item(&pane, "D", false, cx);
5277 add_labeled_item(&pane, "E", false, cx);
5278 assert_item_labels(&pane, ["A!", "B!", "C", "D", "E*"], cx);
5279
5280 set_max_tabs(cx, Some(3));
5281 add_labeled_item(&pane, "F", false, cx);
5282 assert_item_labels(&pane, ["A!", "B!", "F*"], cx);
5283
5284 add_labeled_item(&pane, "G", false, cx);
5285 assert_item_labels(&pane, ["A!", "B!", "G*"], cx);
5286
5287 add_labeled_item(&pane, "H", false, cx);
5288 assert_item_labels(&pane, ["A!", "B!", "H*"], cx);
5289 }
5290
5291 #[gpui::test]
5292 async fn test_always_allows_one_unpinned_item_over_max_tabs_regardless_of_pinned_count(
5293 cx: &mut TestAppContext,
5294 ) {
5295 init_test(cx);
5296 let fs = FakeFs::new(cx.executor());
5297
5298 let project = Project::test(fs, None, cx).await;
5299 let (workspace, cx) =
5300 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5301 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5302
5303 set_max_tabs(cx, Some(3));
5304
5305 let item_a = add_labeled_item(&pane, "A", false, cx);
5306 pane.update_in(cx, |pane, window, cx| {
5307 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5308 pane.pin_tab_at(ix, window, cx);
5309 });
5310
5311 let item_b = add_labeled_item(&pane, "B", false, cx);
5312 pane.update_in(cx, |pane, window, cx| {
5313 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5314 pane.pin_tab_at(ix, window, cx);
5315 });
5316
5317 let item_c = add_labeled_item(&pane, "C", false, cx);
5318 pane.update_in(cx, |pane, window, cx| {
5319 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5320 pane.pin_tab_at(ix, window, cx);
5321 });
5322
5323 assert_item_labels(&pane, ["A!", "B!", "C*!"], cx);
5324
5325 let item_d = add_labeled_item(&pane, "D", false, cx);
5326 assert_item_labels(&pane, ["A!", "B!", "C!", "D*"], cx);
5327
5328 pane.update_in(cx, |pane, window, cx| {
5329 let ix = pane.index_for_item_id(item_d.item_id()).unwrap();
5330 pane.pin_tab_at(ix, window, cx);
5331 });
5332 assert_item_labels(&pane, ["A!", "B!", "C!", "D*!"], cx);
5333
5334 add_labeled_item(&pane, "E", false, cx);
5335 assert_item_labels(&pane, ["A!", "B!", "C!", "D!", "E*"], cx);
5336
5337 add_labeled_item(&pane, "F", false, cx);
5338 assert_item_labels(&pane, ["A!", "B!", "C!", "D!", "F*"], cx);
5339 }
5340
5341 #[gpui::test]
5342 async fn test_can_open_one_item_when_all_tabs_are_dirty_at_max(cx: &mut TestAppContext) {
5343 init_test(cx);
5344 let fs = FakeFs::new(cx.executor());
5345
5346 let project = Project::test(fs, None, cx).await;
5347 let (workspace, cx) =
5348 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5349 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5350
5351 set_max_tabs(cx, Some(3));
5352
5353 add_labeled_item(&pane, "A", true, cx);
5354 assert_item_labels(&pane, ["A*^"], cx);
5355
5356 add_labeled_item(&pane, "B", true, cx);
5357 assert_item_labels(&pane, ["A^", "B*^"], cx);
5358
5359 add_labeled_item(&pane, "C", true, cx);
5360 assert_item_labels(&pane, ["A^", "B^", "C*^"], cx);
5361
5362 add_labeled_item(&pane, "D", false, cx);
5363 assert_item_labels(&pane, ["A^", "B^", "C^", "D*"], cx);
5364
5365 add_labeled_item(&pane, "E", false, cx);
5366 assert_item_labels(&pane, ["A^", "B^", "C^", "E*"], cx);
5367
5368 add_labeled_item(&pane, "F", false, cx);
5369 assert_item_labels(&pane, ["A^", "B^", "C^", "F*"], cx);
5370
5371 add_labeled_item(&pane, "G", true, cx);
5372 assert_item_labels(&pane, ["A^", "B^", "C^", "G*^"], cx);
5373 }
5374
5375 #[gpui::test]
5376 async fn test_toggle_pin_tab(cx: &mut TestAppContext) {
5377 init_test(cx);
5378 let fs = FakeFs::new(cx.executor());
5379
5380 let project = Project::test(fs, None, cx).await;
5381 let (workspace, cx) =
5382 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5383 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5384
5385 set_labeled_items(&pane, ["A", "B*", "C"], cx);
5386 assert_item_labels(&pane, ["A", "B*", "C"], cx);
5387
5388 pane.update_in(cx, |pane, window, cx| {
5389 pane.toggle_pin_tab(&TogglePinTab, window, cx);
5390 });
5391 assert_item_labels(&pane, ["B*!", "A", "C"], cx);
5392
5393 pane.update_in(cx, |pane, window, cx| {
5394 pane.toggle_pin_tab(&TogglePinTab, window, cx);
5395 });
5396 assert_item_labels(&pane, ["B*", "A", "C"], cx);
5397 }
5398
5399 #[gpui::test]
5400 async fn test_unpin_all_tabs(cx: &mut TestAppContext) {
5401 init_test(cx);
5402 let fs = FakeFs::new(cx.executor());
5403
5404 let project = Project::test(fs, None, cx).await;
5405 let (workspace, cx) =
5406 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5407 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5408
5409 // Unpin all, in an empty pane
5410 pane.update_in(cx, |pane, window, cx| {
5411 pane.unpin_all_tabs(&UnpinAllTabs, window, cx);
5412 });
5413
5414 assert_item_labels(&pane, [], cx);
5415
5416 let item_a = add_labeled_item(&pane, "A", false, cx);
5417 let item_b = add_labeled_item(&pane, "B", false, cx);
5418 let item_c = add_labeled_item(&pane, "C", false, cx);
5419 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5420
5421 // Unpin all, when no tabs are pinned
5422 pane.update_in(cx, |pane, window, cx| {
5423 pane.unpin_all_tabs(&UnpinAllTabs, window, cx);
5424 });
5425
5426 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5427
5428 // Pin inactive tabs only
5429 pane.update_in(cx, |pane, window, cx| {
5430 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5431 pane.pin_tab_at(ix, window, cx);
5432
5433 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5434 pane.pin_tab_at(ix, window, cx);
5435 });
5436 assert_item_labels(&pane, ["A!", "B!", "C*"], cx);
5437
5438 pane.update_in(cx, |pane, window, cx| {
5439 pane.unpin_all_tabs(&UnpinAllTabs, window, cx);
5440 });
5441
5442 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5443
5444 // Pin all tabs
5445 pane.update_in(cx, |pane, window, cx| {
5446 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5447 pane.pin_tab_at(ix, window, cx);
5448
5449 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5450 pane.pin_tab_at(ix, window, cx);
5451
5452 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5453 pane.pin_tab_at(ix, window, cx);
5454 });
5455 assert_item_labels(&pane, ["A!", "B!", "C*!"], cx);
5456
5457 // Activate middle tab
5458 pane.update_in(cx, |pane, window, cx| {
5459 pane.activate_item(1, false, false, window, cx);
5460 });
5461 assert_item_labels(&pane, ["A!", "B*!", "C!"], cx);
5462
5463 pane.update_in(cx, |pane, window, cx| {
5464 pane.unpin_all_tabs(&UnpinAllTabs, window, cx);
5465 });
5466
5467 // Order has not changed
5468 assert_item_labels(&pane, ["A", "B*", "C"], cx);
5469 }
5470
5471 #[gpui::test]
5472 async fn test_separate_pinned_row_disabled_by_default(cx: &mut TestAppContext) {
5473 init_test(cx);
5474 let fs = FakeFs::new(cx.executor());
5475
5476 let project = Project::test(fs, None, cx).await;
5477 let (workspace, cx) =
5478 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5479 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5480
5481 let item_a = add_labeled_item(&pane, "A", false, cx);
5482 add_labeled_item(&pane, "B", false, cx);
5483 add_labeled_item(&pane, "C", false, cx);
5484
5485 // Pin one tab
5486 pane.update_in(cx, |pane, window, cx| {
5487 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5488 pane.pin_tab_at(ix, window, cx);
5489 });
5490 assert_item_labels(&pane, ["A!", "B", "C*"], cx);
5491
5492 // Verify setting is disabled by default
5493 let is_separate_row_enabled = pane.read_with(cx, |_, cx| {
5494 TabBarSettings::get_global(cx).show_pinned_tabs_in_separate_row
5495 });
5496 assert!(
5497 !is_separate_row_enabled,
5498 "Separate pinned row should be disabled by default"
5499 );
5500
5501 // Verify pinned_tabs_row element does NOT exist (single row layout)
5502 let pinned_row_bounds = cx.debug_bounds("pinned_tabs_row");
5503 assert!(
5504 pinned_row_bounds.is_none(),
5505 "pinned_tabs_row should not exist when setting is disabled"
5506 );
5507 }
5508
5509 #[gpui::test]
5510 async fn test_separate_pinned_row_two_rows_when_both_tab_types_exist(cx: &mut TestAppContext) {
5511 init_test(cx);
5512 let fs = FakeFs::new(cx.executor());
5513
5514 let project = Project::test(fs, None, cx).await;
5515 let (workspace, cx) =
5516 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5517 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5518
5519 // Enable separate row setting
5520 set_pinned_tabs_separate_row(cx, true);
5521
5522 let item_a = add_labeled_item(&pane, "A", false, cx);
5523 add_labeled_item(&pane, "B", false, cx);
5524 add_labeled_item(&pane, "C", false, cx);
5525
5526 // Pin one tab - now we have both pinned and unpinned tabs
5527 pane.update_in(cx, |pane, window, cx| {
5528 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5529 pane.pin_tab_at(ix, window, cx);
5530 });
5531 assert_item_labels(&pane, ["A!", "B", "C*"], cx);
5532
5533 // Verify pinned_tabs_row element exists (two row layout)
5534 let pinned_row_bounds = cx.debug_bounds("pinned_tabs_row");
5535 assert!(
5536 pinned_row_bounds.is_some(),
5537 "pinned_tabs_row should exist when setting is enabled and both tab types exist"
5538 );
5539 }
5540
5541 #[gpui::test]
5542 async fn test_separate_pinned_row_single_row_when_only_pinned_tabs(cx: &mut TestAppContext) {
5543 init_test(cx);
5544 let fs = FakeFs::new(cx.executor());
5545
5546 let project = Project::test(fs, None, cx).await;
5547 let (workspace, cx) =
5548 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5549 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5550
5551 // Enable separate row setting
5552 set_pinned_tabs_separate_row(cx, true);
5553
5554 let item_a = add_labeled_item(&pane, "A", false, cx);
5555 let item_b = add_labeled_item(&pane, "B", false, cx);
5556
5557 // Pin all tabs - only pinned tabs exist
5558 pane.update_in(cx, |pane, window, cx| {
5559 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5560 pane.pin_tab_at(ix, window, cx);
5561 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5562 pane.pin_tab_at(ix, window, cx);
5563 });
5564 assert_item_labels(&pane, ["A!", "B*!"], cx);
5565
5566 // Verify pinned_tabs_row does NOT exist (single row layout for pinned-only)
5567 let pinned_row_bounds = cx.debug_bounds("pinned_tabs_row");
5568 assert!(
5569 pinned_row_bounds.is_none(),
5570 "pinned_tabs_row should not exist when only pinned tabs exist (uses single row)"
5571 );
5572 }
5573
5574 #[gpui::test]
5575 async fn test_separate_pinned_row_single_row_when_only_unpinned_tabs(cx: &mut TestAppContext) {
5576 init_test(cx);
5577 let fs = FakeFs::new(cx.executor());
5578
5579 let project = Project::test(fs, None, cx).await;
5580 let (workspace, cx) =
5581 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5582 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5583
5584 // Enable separate row setting
5585 set_pinned_tabs_separate_row(cx, true);
5586
5587 // Add only unpinned tabs
5588 add_labeled_item(&pane, "A", false, cx);
5589 add_labeled_item(&pane, "B", false, cx);
5590 add_labeled_item(&pane, "C", false, cx);
5591 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5592
5593 // Verify pinned_tabs_row does NOT exist (single row layout for unpinned-only)
5594 let pinned_row_bounds = cx.debug_bounds("pinned_tabs_row");
5595 assert!(
5596 pinned_row_bounds.is_none(),
5597 "pinned_tabs_row should not exist when only unpinned tabs exist (uses single row)"
5598 );
5599 }
5600
5601 #[gpui::test]
5602 async fn test_separate_pinned_row_toggles_between_layouts(cx: &mut TestAppContext) {
5603 init_test(cx);
5604 let fs = FakeFs::new(cx.executor());
5605
5606 let project = Project::test(fs, None, cx).await;
5607 let (workspace, cx) =
5608 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5609 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5610
5611 let item_a = add_labeled_item(&pane, "A", false, cx);
5612 add_labeled_item(&pane, "B", false, cx);
5613
5614 // Pin one tab
5615 pane.update_in(cx, |pane, window, cx| {
5616 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5617 pane.pin_tab_at(ix, window, cx);
5618 });
5619
5620 // Initially disabled - single row
5621 let pinned_row_bounds = cx.debug_bounds("pinned_tabs_row");
5622 assert!(
5623 pinned_row_bounds.is_none(),
5624 "Should be single row when disabled"
5625 );
5626
5627 // Enable - two rows
5628 set_pinned_tabs_separate_row(cx, true);
5629 cx.run_until_parked();
5630 let pinned_row_bounds = cx.debug_bounds("pinned_tabs_row");
5631 assert!(
5632 pinned_row_bounds.is_some(),
5633 "Should be two rows when enabled"
5634 );
5635
5636 // Disable again - back to single row
5637 set_pinned_tabs_separate_row(cx, false);
5638 cx.run_until_parked();
5639 let pinned_row_bounds = cx.debug_bounds("pinned_tabs_row");
5640 assert!(
5641 pinned_row_bounds.is_none(),
5642 "Should be single row when disabled again"
5643 );
5644 }
5645
5646 #[gpui::test]
5647 async fn test_separate_pinned_row_has_right_border(cx: &mut TestAppContext) {
5648 init_test(cx);
5649 let fs = FakeFs::new(cx.executor());
5650
5651 let project = Project::test(fs, None, cx).await;
5652 let (workspace, cx) =
5653 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5654 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5655
5656 // Enable separate row setting
5657 set_pinned_tabs_separate_row(cx, true);
5658
5659 let item_a = add_labeled_item(&pane, "A", false, cx);
5660 add_labeled_item(&pane, "B", false, cx);
5661 add_labeled_item(&pane, "C", false, cx);
5662
5663 // Pin one tab - now we have both pinned and unpinned tabs (two-row layout)
5664 pane.update_in(cx, |pane, window, cx| {
5665 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5666 pane.pin_tab_at(ix, window, cx);
5667 });
5668 assert_item_labels(&pane, ["A!", "B", "C*"], cx);
5669 cx.run_until_parked();
5670
5671 // Verify two-row layout is active
5672 let pinned_row_bounds = cx.debug_bounds("pinned_tabs_row");
5673 assert!(
5674 pinned_row_bounds.is_some(),
5675 "Two-row layout should be active when both pinned and unpinned tabs exist"
5676 );
5677
5678 // Verify pinned_tabs_border element exists (the right border after pinned tabs)
5679 let border_bounds = cx.debug_bounds("pinned_tabs_border");
5680 assert!(
5681 border_bounds.is_some(),
5682 "pinned_tabs_border should exist in two-row layout to show right border"
5683 );
5684 }
5685
5686 #[gpui::test]
5687 async fn test_pinning_active_tab_without_position_change_maintains_focus(
5688 cx: &mut TestAppContext,
5689 ) {
5690 init_test(cx);
5691 let fs = FakeFs::new(cx.executor());
5692
5693 let project = Project::test(fs, None, cx).await;
5694 let (workspace, cx) =
5695 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5696 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5697
5698 // Add A
5699 let item_a = add_labeled_item(&pane, "A", false, cx);
5700 assert_item_labels(&pane, ["A*"], cx);
5701
5702 // Add B
5703 add_labeled_item(&pane, "B", false, cx);
5704 assert_item_labels(&pane, ["A", "B*"], cx);
5705
5706 // Activate A again
5707 pane.update_in(cx, |pane, window, cx| {
5708 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5709 pane.activate_item(ix, true, true, window, cx);
5710 });
5711 assert_item_labels(&pane, ["A*", "B"], cx);
5712
5713 // Pin A - remains active
5714 pane.update_in(cx, |pane, window, cx| {
5715 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5716 pane.pin_tab_at(ix, window, cx);
5717 });
5718 assert_item_labels(&pane, ["A*!", "B"], cx);
5719
5720 // Unpin A - remain active
5721 pane.update_in(cx, |pane, window, cx| {
5722 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5723 pane.unpin_tab_at(ix, window, cx);
5724 });
5725 assert_item_labels(&pane, ["A*", "B"], cx);
5726 }
5727
5728 #[gpui::test]
5729 async fn test_pinning_active_tab_with_position_change_maintains_focus(cx: &mut TestAppContext) {
5730 init_test(cx);
5731 let fs = FakeFs::new(cx.executor());
5732
5733 let project = Project::test(fs, None, cx).await;
5734 let (workspace, cx) =
5735 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5736 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5737
5738 // Add A, B, C
5739 add_labeled_item(&pane, "A", false, cx);
5740 add_labeled_item(&pane, "B", false, cx);
5741 let item_c = add_labeled_item(&pane, "C", false, cx);
5742 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5743
5744 // Pin C - moves to pinned area, remains active
5745 pane.update_in(cx, |pane, window, cx| {
5746 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5747 pane.pin_tab_at(ix, window, cx);
5748 });
5749 assert_item_labels(&pane, ["C*!", "A", "B"], cx);
5750
5751 // Unpin C - moves after pinned area, remains active
5752 pane.update_in(cx, |pane, window, cx| {
5753 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5754 pane.unpin_tab_at(ix, window, cx);
5755 });
5756 assert_item_labels(&pane, ["C*", "A", "B"], cx);
5757 }
5758
5759 #[gpui::test]
5760 async fn test_pinning_inactive_tab_without_position_change_preserves_existing_focus(
5761 cx: &mut TestAppContext,
5762 ) {
5763 init_test(cx);
5764 let fs = FakeFs::new(cx.executor());
5765
5766 let project = Project::test(fs, None, cx).await;
5767 let (workspace, cx) =
5768 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5769 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5770
5771 // Add A, B
5772 let item_a = add_labeled_item(&pane, "A", false, cx);
5773 add_labeled_item(&pane, "B", false, cx);
5774 assert_item_labels(&pane, ["A", "B*"], cx);
5775
5776 // Pin A - already in pinned area, B remains active
5777 pane.update_in(cx, |pane, window, cx| {
5778 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5779 pane.pin_tab_at(ix, window, cx);
5780 });
5781 assert_item_labels(&pane, ["A!", "B*"], cx);
5782
5783 // Unpin A - stays in place, B remains active
5784 pane.update_in(cx, |pane, window, cx| {
5785 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5786 pane.unpin_tab_at(ix, window, cx);
5787 });
5788 assert_item_labels(&pane, ["A", "B*"], cx);
5789 }
5790
5791 #[gpui::test]
5792 async fn test_pinning_inactive_tab_with_position_change_preserves_existing_focus(
5793 cx: &mut TestAppContext,
5794 ) {
5795 init_test(cx);
5796 let fs = FakeFs::new(cx.executor());
5797
5798 let project = Project::test(fs, None, cx).await;
5799 let (workspace, cx) =
5800 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5801 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5802
5803 // Add A, B, C
5804 add_labeled_item(&pane, "A", false, cx);
5805 let item_b = add_labeled_item(&pane, "B", false, cx);
5806 let item_c = add_labeled_item(&pane, "C", false, cx);
5807 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5808
5809 // Activate B
5810 pane.update_in(cx, |pane, window, cx| {
5811 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5812 pane.activate_item(ix, true, true, window, cx);
5813 });
5814 assert_item_labels(&pane, ["A", "B*", "C"], cx);
5815
5816 // Pin C - moves to pinned area, B remains active
5817 pane.update_in(cx, |pane, window, cx| {
5818 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5819 pane.pin_tab_at(ix, window, cx);
5820 });
5821 assert_item_labels(&pane, ["C!", "A", "B*"], cx);
5822
5823 // Unpin C - moves after pinned area, B remains active
5824 pane.update_in(cx, |pane, window, cx| {
5825 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5826 pane.unpin_tab_at(ix, window, cx);
5827 });
5828 assert_item_labels(&pane, ["C", "A", "B*"], cx);
5829 }
5830
5831 #[gpui::test]
5832 async fn test_handle_tab_drop_respects_is_pane_target(cx: &mut TestAppContext) {
5833 init_test(cx);
5834 let fs = FakeFs::new(cx.executor());
5835 let project = Project::test(fs, None, cx).await;
5836 let (workspace, cx) =
5837 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5838 let source_pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5839
5840 let item_a = add_labeled_item(&source_pane, "A", false, cx);
5841 let item_b = add_labeled_item(&source_pane, "B", false, cx);
5842
5843 let target_pane = workspace.update_in(cx, |workspace, window, cx| {
5844 workspace.split_pane(source_pane.clone(), SplitDirection::Right, window, cx)
5845 });
5846
5847 let custom_item = target_pane.update_in(cx, |pane, window, cx| {
5848 let custom_item = Box::new(cx.new(CustomDropHandlingItem::new));
5849 pane.add_item(custom_item.clone(), true, true, None, window, cx);
5850 custom_item
5851 });
5852
5853 let moved_item_id = item_a.item_id();
5854 let other_item_id = item_b.item_id();
5855 let custom_item_id = custom_item.item_id();
5856
5857 let pane_item_ids = |pane: &Entity<Pane>, cx: &mut VisualTestContext| {
5858 pane.read_with(cx, |pane, _| {
5859 pane.items().map(|item| item.item_id()).collect::<Vec<_>>()
5860 })
5861 };
5862
5863 let source_before_item_ids = pane_item_ids(&source_pane, cx);
5864 assert_eq!(source_before_item_ids, vec![moved_item_id, other_item_id]);
5865
5866 let target_before_item_ids = pane_item_ids(&target_pane, cx);
5867 assert_eq!(target_before_item_ids, vec![custom_item_id]);
5868
5869 let dragged_tab = DraggedTab {
5870 pane: source_pane.clone(),
5871 item: item_a.boxed_clone(),
5872 ix: 0,
5873 detail: 0,
5874 is_active: true,
5875 };
5876
5877 // Dropping item_a onto the target pane itself means the
5878 // custom item handles the drop and no tab move should occur
5879 target_pane.update_in(cx, |pane, window, cx| {
5880 pane.handle_tab_drop(&dragged_tab, pane.active_item_index(), true, window, cx);
5881 });
5882 cx.run_until_parked();
5883
5884 assert_eq!(
5885 custom_item.read_with(cx, |item, _| item.drop_call_count()),
5886 1
5887 );
5888 assert_eq!(pane_item_ids(&source_pane, cx), source_before_item_ids);
5889 assert_eq!(pane_item_ids(&target_pane, cx), target_before_item_ids);
5890
5891 // Dropping item_a onto the tab target means the custom handler
5892 // should be skipped and the pane's default tab drop behavior should run.
5893 target_pane.update_in(cx, |pane, window, cx| {
5894 pane.handle_tab_drop(&dragged_tab, pane.active_item_index(), false, window, cx);
5895 });
5896 cx.run_until_parked();
5897
5898 assert_eq!(
5899 custom_item.read_with(cx, |item, _| item.drop_call_count()),
5900 1
5901 );
5902 assert_eq!(pane_item_ids(&source_pane, cx), vec![other_item_id]);
5903
5904 let target_item_ids = pane_item_ids(&target_pane, cx);
5905 assert_eq!(target_item_ids, vec![moved_item_id, custom_item_id]);
5906 }
5907
5908 #[gpui::test]
5909 async fn test_drag_unpinned_tab_to_split_creates_pane_with_unpinned_tab(
5910 cx: &mut TestAppContext,
5911 ) {
5912 init_test(cx);
5913 let fs = FakeFs::new(cx.executor());
5914
5915 let project = Project::test(fs, None, cx).await;
5916 let (workspace, cx) =
5917 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5918 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5919
5920 // Add A, B. Pin B. Activate A
5921 let item_a = add_labeled_item(&pane_a, "A", false, cx);
5922 let item_b = add_labeled_item(&pane_a, "B", false, cx);
5923
5924 pane_a.update_in(cx, |pane, window, cx| {
5925 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5926 pane.pin_tab_at(ix, window, cx);
5927
5928 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5929 pane.activate_item(ix, true, true, window, cx);
5930 });
5931
5932 // Drag A to create new split
5933 pane_a.update_in(cx, |pane, window, cx| {
5934 pane.drag_split_direction = Some(SplitDirection::Right);
5935
5936 let dragged_tab = DraggedTab {
5937 pane: pane_a.clone(),
5938 item: item_a.boxed_clone(),
5939 ix: 0,
5940 detail: 0,
5941 is_active: true,
5942 };
5943 pane.handle_tab_drop(&dragged_tab, 0, true, window, cx);
5944 });
5945
5946 // A should be moved to new pane. B should remain pinned, A should not be pinned
5947 let (pane_a, pane_b) = workspace.read_with(cx, |workspace, _| {
5948 let panes = workspace.panes();
5949 (panes[0].clone(), panes[1].clone())
5950 });
5951 assert_item_labels(&pane_a, ["B*!"], cx);
5952 assert_item_labels(&pane_b, ["A*"], cx);
5953 }
5954
5955 #[gpui::test]
5956 async fn test_drag_pinned_tab_to_split_creates_pane_with_pinned_tab(cx: &mut TestAppContext) {
5957 init_test(cx);
5958 let fs = FakeFs::new(cx.executor());
5959
5960 let project = Project::test(fs, None, cx).await;
5961 let (workspace, cx) =
5962 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5963 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5964
5965 // Add A, B. Pin both. Activate A
5966 let item_a = add_labeled_item(&pane_a, "A", false, cx);
5967 let item_b = add_labeled_item(&pane_a, "B", false, cx);
5968
5969 pane_a.update_in(cx, |pane, window, cx| {
5970 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5971 pane.pin_tab_at(ix, window, cx);
5972
5973 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5974 pane.pin_tab_at(ix, window, cx);
5975
5976 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5977 pane.activate_item(ix, true, true, window, cx);
5978 });
5979 assert_item_labels(&pane_a, ["A*!", "B!"], cx);
5980
5981 // Drag A to create new split
5982 pane_a.update_in(cx, |pane, window, cx| {
5983 pane.drag_split_direction = Some(SplitDirection::Right);
5984
5985 let dragged_tab = DraggedTab {
5986 pane: pane_a.clone(),
5987 item: item_a.boxed_clone(),
5988 ix: 0,
5989 detail: 0,
5990 is_active: true,
5991 };
5992 pane.handle_tab_drop(&dragged_tab, 0, true, window, cx);
5993 });
5994
5995 // A should be moved to new pane. Both A and B should still be pinned
5996 let (pane_a, pane_b) = workspace.read_with(cx, |workspace, _| {
5997 let panes = workspace.panes();
5998 (panes[0].clone(), panes[1].clone())
5999 });
6000 assert_item_labels(&pane_a, ["B*!"], cx);
6001 assert_item_labels(&pane_b, ["A*!"], cx);
6002 }
6003
6004 #[gpui::test]
6005 async fn test_drag_pinned_tab_into_existing_panes_pinned_region(cx: &mut TestAppContext) {
6006 init_test(cx);
6007 let fs = FakeFs::new(cx.executor());
6008
6009 let project = Project::test(fs, None, cx).await;
6010 let (workspace, cx) =
6011 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6012 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6013
6014 // Add A to pane A and pin
6015 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6016 pane_a.update_in(cx, |pane, window, cx| {
6017 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6018 pane.pin_tab_at(ix, window, cx);
6019 });
6020 assert_item_labels(&pane_a, ["A*!"], cx);
6021
6022 // Add B to pane B and pin
6023 let pane_b = workspace.update_in(cx, |workspace, window, cx| {
6024 workspace.split_pane(pane_a.clone(), SplitDirection::Right, window, cx)
6025 });
6026 let item_b = add_labeled_item(&pane_b, "B", false, cx);
6027 pane_b.update_in(cx, |pane, window, cx| {
6028 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
6029 pane.pin_tab_at(ix, window, cx);
6030 });
6031 assert_item_labels(&pane_b, ["B*!"], cx);
6032
6033 // Move A from pane A to pane B's pinned region
6034 pane_b.update_in(cx, |pane, window, cx| {
6035 let dragged_tab = DraggedTab {
6036 pane: pane_a.clone(),
6037 item: item_a.boxed_clone(),
6038 ix: 0,
6039 detail: 0,
6040 is_active: true,
6041 };
6042 pane.handle_tab_drop(&dragged_tab, 0, false, window, cx);
6043 });
6044
6045 // A should stay pinned
6046 assert_item_labels(&pane_a, [], cx);
6047 assert_item_labels(&pane_b, ["A*!", "B!"], cx);
6048 }
6049
6050 #[gpui::test]
6051 async fn test_drag_pinned_tab_into_existing_panes_unpinned_region(cx: &mut TestAppContext) {
6052 init_test(cx);
6053 let fs = FakeFs::new(cx.executor());
6054
6055 let project = Project::test(fs, None, cx).await;
6056 let (workspace, cx) =
6057 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6058 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6059
6060 // Add A to pane A and pin
6061 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6062 pane_a.update_in(cx, |pane, window, cx| {
6063 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6064 pane.pin_tab_at(ix, window, cx);
6065 });
6066 assert_item_labels(&pane_a, ["A*!"], cx);
6067
6068 // Create pane B with pinned item B
6069 let pane_b = workspace.update_in(cx, |workspace, window, cx| {
6070 workspace.split_pane(pane_a.clone(), SplitDirection::Right, window, cx)
6071 });
6072 let item_b = add_labeled_item(&pane_b, "B", false, cx);
6073 assert_item_labels(&pane_b, ["B*"], cx);
6074
6075 pane_b.update_in(cx, |pane, window, cx| {
6076 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
6077 pane.pin_tab_at(ix, window, cx);
6078 });
6079 assert_item_labels(&pane_b, ["B*!"], cx);
6080
6081 // Move A from pane A to pane B's unpinned region
6082 pane_b.update_in(cx, |pane, window, cx| {
6083 let dragged_tab = DraggedTab {
6084 pane: pane_a.clone(),
6085 item: item_a.boxed_clone(),
6086 ix: 0,
6087 detail: 0,
6088 is_active: true,
6089 };
6090 pane.handle_tab_drop(&dragged_tab, 1, false, window, cx);
6091 });
6092
6093 // A should become pinned
6094 assert_item_labels(&pane_a, [], cx);
6095 assert_item_labels(&pane_b, ["B!", "A*"], cx);
6096 }
6097
6098 #[gpui::test]
6099 async fn test_drag_pinned_tab_into_existing_panes_first_position_with_no_pinned_tabs(
6100 cx: &mut TestAppContext,
6101 ) {
6102 init_test(cx);
6103 let fs = FakeFs::new(cx.executor());
6104
6105 let project = Project::test(fs, None, cx).await;
6106 let (workspace, cx) =
6107 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6108 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6109
6110 // Add A to pane A and pin
6111 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6112 pane_a.update_in(cx, |pane, window, cx| {
6113 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6114 pane.pin_tab_at(ix, window, cx);
6115 });
6116 assert_item_labels(&pane_a, ["A*!"], cx);
6117
6118 // Add B to pane B
6119 let pane_b = workspace.update_in(cx, |workspace, window, cx| {
6120 workspace.split_pane(pane_a.clone(), SplitDirection::Right, window, cx)
6121 });
6122 add_labeled_item(&pane_b, "B", false, cx);
6123 assert_item_labels(&pane_b, ["B*"], cx);
6124
6125 // Move A from pane A to position 0 in pane B, indicating it should stay pinned
6126 pane_b.update_in(cx, |pane, window, cx| {
6127 let dragged_tab = DraggedTab {
6128 pane: pane_a.clone(),
6129 item: item_a.boxed_clone(),
6130 ix: 0,
6131 detail: 0,
6132 is_active: true,
6133 };
6134 pane.handle_tab_drop(&dragged_tab, 0, false, window, cx);
6135 });
6136
6137 // A should stay pinned
6138 assert_item_labels(&pane_a, [], cx);
6139 assert_item_labels(&pane_b, ["A*!", "B"], cx);
6140 }
6141
6142 #[gpui::test]
6143 async fn test_drag_pinned_tab_into_existing_pane_at_max_capacity_closes_unpinned_tabs(
6144 cx: &mut TestAppContext,
6145 ) {
6146 init_test(cx);
6147 let fs = FakeFs::new(cx.executor());
6148
6149 let project = Project::test(fs, None, cx).await;
6150 let (workspace, cx) =
6151 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6152 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6153 set_max_tabs(cx, Some(2));
6154
6155 // Add A, B to pane A. Pin both
6156 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6157 let item_b = add_labeled_item(&pane_a, "B", false, cx);
6158 pane_a.update_in(cx, |pane, window, cx| {
6159 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6160 pane.pin_tab_at(ix, window, cx);
6161
6162 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
6163 pane.pin_tab_at(ix, window, cx);
6164 });
6165 assert_item_labels(&pane_a, ["A!", "B*!"], cx);
6166
6167 // Add C, D to pane B. Pin both
6168 let pane_b = workspace.update_in(cx, |workspace, window, cx| {
6169 workspace.split_pane(pane_a.clone(), SplitDirection::Right, window, cx)
6170 });
6171 let item_c = add_labeled_item(&pane_b, "C", false, cx);
6172 let item_d = add_labeled_item(&pane_b, "D", false, cx);
6173 pane_b.update_in(cx, |pane, window, cx| {
6174 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
6175 pane.pin_tab_at(ix, window, cx);
6176
6177 let ix = pane.index_for_item_id(item_d.item_id()).unwrap();
6178 pane.pin_tab_at(ix, window, cx);
6179 });
6180 assert_item_labels(&pane_b, ["C!", "D*!"], cx);
6181
6182 // Add a third unpinned item to pane B (exceeds max tabs), but is allowed,
6183 // as we allow 1 tab over max if the others are pinned or dirty
6184 add_labeled_item(&pane_b, "E", false, cx);
6185 assert_item_labels(&pane_b, ["C!", "D!", "E*"], cx);
6186
6187 // Drag pinned A from pane A to position 0 in pane B
6188 pane_b.update_in(cx, |pane, window, cx| {
6189 let dragged_tab = DraggedTab {
6190 pane: pane_a.clone(),
6191 item: item_a.boxed_clone(),
6192 ix: 0,
6193 detail: 0,
6194 is_active: true,
6195 };
6196 pane.handle_tab_drop(&dragged_tab, 0, false, window, cx);
6197 });
6198
6199 // E (unpinned) should be closed, leaving 3 pinned items
6200 assert_item_labels(&pane_a, ["B*!"], cx);
6201 assert_item_labels(&pane_b, ["A*!", "C!", "D!"], cx);
6202 }
6203
6204 #[gpui::test]
6205 async fn test_drag_last_pinned_tab_to_same_position_stays_pinned(cx: &mut TestAppContext) {
6206 init_test(cx);
6207 let fs = FakeFs::new(cx.executor());
6208
6209 let project = Project::test(fs, None, cx).await;
6210 let (workspace, cx) =
6211 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6212 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6213
6214 // Add A to pane A and pin it
6215 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6216 pane_a.update_in(cx, |pane, window, cx| {
6217 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6218 pane.pin_tab_at(ix, window, cx);
6219 });
6220 assert_item_labels(&pane_a, ["A*!"], cx);
6221
6222 // Drag pinned A to position 1 (directly to the right) in the same pane
6223 pane_a.update_in(cx, |pane, window, cx| {
6224 let dragged_tab = DraggedTab {
6225 pane: pane_a.clone(),
6226 item: item_a.boxed_clone(),
6227 ix: 0,
6228 detail: 0,
6229 is_active: true,
6230 };
6231 pane.handle_tab_drop(&dragged_tab, 1, false, window, cx);
6232 });
6233
6234 // A should still be pinned and active
6235 assert_item_labels(&pane_a, ["A*!"], cx);
6236 }
6237
6238 #[gpui::test]
6239 async fn test_drag_pinned_tab_beyond_last_pinned_tab_in_same_pane_stays_pinned(
6240 cx: &mut TestAppContext,
6241 ) {
6242 init_test(cx);
6243 let fs = FakeFs::new(cx.executor());
6244
6245 let project = Project::test(fs, None, cx).await;
6246 let (workspace, cx) =
6247 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6248 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6249
6250 // Add A, B to pane A and pin both
6251 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6252 let item_b = add_labeled_item(&pane_a, "B", false, cx);
6253 pane_a.update_in(cx, |pane, window, cx| {
6254 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6255 pane.pin_tab_at(ix, window, cx);
6256
6257 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
6258 pane.pin_tab_at(ix, window, cx);
6259 });
6260 assert_item_labels(&pane_a, ["A!", "B*!"], cx);
6261
6262 // Drag pinned A right of B in the same pane
6263 pane_a.update_in(cx, |pane, window, cx| {
6264 let dragged_tab = DraggedTab {
6265 pane: pane_a.clone(),
6266 item: item_a.boxed_clone(),
6267 ix: 0,
6268 detail: 0,
6269 is_active: true,
6270 };
6271 pane.handle_tab_drop(&dragged_tab, 2, false, window, cx);
6272 });
6273
6274 // A stays pinned
6275 assert_item_labels(&pane_a, ["B!", "A*!"], cx);
6276 }
6277
6278 #[gpui::test]
6279 async fn test_dragging_pinned_tab_onto_unpinned_tab_reduces_unpinned_tab_count(
6280 cx: &mut TestAppContext,
6281 ) {
6282 init_test(cx);
6283 let fs = FakeFs::new(cx.executor());
6284
6285 let project = Project::test(fs, None, cx).await;
6286 let (workspace, cx) =
6287 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6288 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6289
6290 // Add A, B to pane A and pin A
6291 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6292 add_labeled_item(&pane_a, "B", false, cx);
6293 pane_a.update_in(cx, |pane, window, cx| {
6294 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6295 pane.pin_tab_at(ix, window, cx);
6296 });
6297 assert_item_labels(&pane_a, ["A!", "B*"], cx);
6298
6299 // Drag pinned A on top of B in the same pane, which changes tab order to B, A
6300 pane_a.update_in(cx, |pane, window, cx| {
6301 let dragged_tab = DraggedTab {
6302 pane: pane_a.clone(),
6303 item: item_a.boxed_clone(),
6304 ix: 0,
6305 detail: 0,
6306 is_active: true,
6307 };
6308 pane.handle_tab_drop(&dragged_tab, 1, false, window, cx);
6309 });
6310
6311 // Neither are pinned
6312 assert_item_labels(&pane_a, ["B", "A*"], cx);
6313 }
6314
6315 #[gpui::test]
6316 async fn test_drag_pinned_tab_beyond_unpinned_tab_in_same_pane_becomes_unpinned(
6317 cx: &mut TestAppContext,
6318 ) {
6319 init_test(cx);
6320 let fs = FakeFs::new(cx.executor());
6321
6322 let project = Project::test(fs, None, cx).await;
6323 let (workspace, cx) =
6324 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6325 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6326
6327 // Add A, B to pane A and pin A
6328 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6329 add_labeled_item(&pane_a, "B", false, cx);
6330 pane_a.update_in(cx, |pane, window, cx| {
6331 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6332 pane.pin_tab_at(ix, window, cx);
6333 });
6334 assert_item_labels(&pane_a, ["A!", "B*"], cx);
6335
6336 // Drag pinned A right of B in the same pane
6337 pane_a.update_in(cx, |pane, window, cx| {
6338 let dragged_tab = DraggedTab {
6339 pane: pane_a.clone(),
6340 item: item_a.boxed_clone(),
6341 ix: 0,
6342 detail: 0,
6343 is_active: true,
6344 };
6345 pane.handle_tab_drop(&dragged_tab, 2, false, window, cx);
6346 });
6347
6348 // A becomes unpinned
6349 assert_item_labels(&pane_a, ["B", "A*"], cx);
6350 }
6351
6352 #[gpui::test]
6353 async fn test_drag_unpinned_tab_in_front_of_pinned_tab_in_same_pane_becomes_pinned(
6354 cx: &mut TestAppContext,
6355 ) {
6356 init_test(cx);
6357 let fs = FakeFs::new(cx.executor());
6358
6359 let project = Project::test(fs, None, cx).await;
6360 let (workspace, cx) =
6361 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6362 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6363
6364 // Add A, B to pane A and pin A
6365 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6366 let item_b = add_labeled_item(&pane_a, "B", false, cx);
6367 pane_a.update_in(cx, |pane, window, cx| {
6368 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6369 pane.pin_tab_at(ix, window, cx);
6370 });
6371 assert_item_labels(&pane_a, ["A!", "B*"], cx);
6372
6373 // Drag pinned B left of A in the same pane
6374 pane_a.update_in(cx, |pane, window, cx| {
6375 let dragged_tab = DraggedTab {
6376 pane: pane_a.clone(),
6377 item: item_b.boxed_clone(),
6378 ix: 1,
6379 detail: 0,
6380 is_active: true,
6381 };
6382 pane.handle_tab_drop(&dragged_tab, 0, false, window, cx);
6383 });
6384
6385 // A becomes unpinned
6386 assert_item_labels(&pane_a, ["B*!", "A!"], cx);
6387 }
6388
6389 #[gpui::test]
6390 async fn test_drag_unpinned_tab_to_the_pinned_region_stays_pinned(cx: &mut TestAppContext) {
6391 init_test(cx);
6392 let fs = FakeFs::new(cx.executor());
6393
6394 let project = Project::test(fs, None, cx).await;
6395 let (workspace, cx) =
6396 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6397 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6398
6399 // Add A, B, C to pane A and pin A
6400 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6401 add_labeled_item(&pane_a, "B", false, cx);
6402 let item_c = add_labeled_item(&pane_a, "C", false, cx);
6403 pane_a.update_in(cx, |pane, window, cx| {
6404 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6405 pane.pin_tab_at(ix, window, cx);
6406 });
6407 assert_item_labels(&pane_a, ["A!", "B", "C*"], cx);
6408
6409 // Drag pinned C left of B in the same pane
6410 pane_a.update_in(cx, |pane, window, cx| {
6411 let dragged_tab = DraggedTab {
6412 pane: pane_a.clone(),
6413 item: item_c.boxed_clone(),
6414 ix: 2,
6415 detail: 0,
6416 is_active: true,
6417 };
6418 pane.handle_tab_drop(&dragged_tab, 1, false, window, cx);
6419 });
6420
6421 // A stays pinned, B and C remain unpinned
6422 assert_item_labels(&pane_a, ["A!", "C*", "B"], cx);
6423 }
6424
6425 #[gpui::test]
6426 async fn test_drag_unpinned_tab_into_existing_panes_pinned_region(cx: &mut TestAppContext) {
6427 init_test(cx);
6428 let fs = FakeFs::new(cx.executor());
6429
6430 let project = Project::test(fs, None, cx).await;
6431 let (workspace, cx) =
6432 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6433 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6434
6435 // Add unpinned item A to pane A
6436 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6437 assert_item_labels(&pane_a, ["A*"], cx);
6438
6439 // Create pane B with pinned item B
6440 let pane_b = workspace.update_in(cx, |workspace, window, cx| {
6441 workspace.split_pane(pane_a.clone(), SplitDirection::Right, window, cx)
6442 });
6443 let item_b = add_labeled_item(&pane_b, "B", false, cx);
6444 pane_b.update_in(cx, |pane, window, cx| {
6445 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
6446 pane.pin_tab_at(ix, window, cx);
6447 });
6448 assert_item_labels(&pane_b, ["B*!"], cx);
6449
6450 // Move A from pane A to pane B's pinned region
6451 pane_b.update_in(cx, |pane, window, cx| {
6452 let dragged_tab = DraggedTab {
6453 pane: pane_a.clone(),
6454 item: item_a.boxed_clone(),
6455 ix: 0,
6456 detail: 0,
6457 is_active: true,
6458 };
6459 pane.handle_tab_drop(&dragged_tab, 0, false, window, cx);
6460 });
6461
6462 // A should become pinned since it was dropped in the pinned region
6463 assert_item_labels(&pane_a, [], cx);
6464 assert_item_labels(&pane_b, ["A*!", "B!"], cx);
6465 }
6466
6467 #[gpui::test]
6468 async fn test_drag_unpinned_tab_into_existing_panes_unpinned_region(cx: &mut TestAppContext) {
6469 init_test(cx);
6470 let fs = FakeFs::new(cx.executor());
6471
6472 let project = Project::test(fs, None, cx).await;
6473 let (workspace, cx) =
6474 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6475 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6476
6477 // Add unpinned item A to pane A
6478 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6479 assert_item_labels(&pane_a, ["A*"], cx);
6480
6481 // Create pane B with one pinned item B
6482 let pane_b = workspace.update_in(cx, |workspace, window, cx| {
6483 workspace.split_pane(pane_a.clone(), SplitDirection::Right, window, cx)
6484 });
6485 let item_b = add_labeled_item(&pane_b, "B", false, cx);
6486 pane_b.update_in(cx, |pane, window, cx| {
6487 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
6488 pane.pin_tab_at(ix, window, cx);
6489 });
6490 assert_item_labels(&pane_b, ["B*!"], cx);
6491
6492 // Move A from pane A to pane B's unpinned region
6493 pane_b.update_in(cx, |pane, window, cx| {
6494 let dragged_tab = DraggedTab {
6495 pane: pane_a.clone(),
6496 item: item_a.boxed_clone(),
6497 ix: 0,
6498 detail: 0,
6499 is_active: true,
6500 };
6501 pane.handle_tab_drop(&dragged_tab, 1, true, window, cx);
6502 });
6503
6504 // A should remain unpinned since it was dropped outside the pinned region
6505 assert_item_labels(&pane_a, [], cx);
6506 assert_item_labels(&pane_b, ["B!", "A*"], cx);
6507 }
6508
6509 #[gpui::test]
6510 async fn test_drag_pinned_tab_throughout_entire_range_of_pinned_tabs_both_directions(
6511 cx: &mut TestAppContext,
6512 ) {
6513 init_test(cx);
6514 let fs = FakeFs::new(cx.executor());
6515
6516 let project = Project::test(fs, None, cx).await;
6517 let (workspace, cx) =
6518 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6519 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6520
6521 // Add A, B, C and pin all
6522 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6523 let item_b = add_labeled_item(&pane_a, "B", false, cx);
6524 let item_c = add_labeled_item(&pane_a, "C", false, cx);
6525 assert_item_labels(&pane_a, ["A", "B", "C*"], cx);
6526
6527 pane_a.update_in(cx, |pane, window, cx| {
6528 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6529 pane.pin_tab_at(ix, window, cx);
6530
6531 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
6532 pane.pin_tab_at(ix, window, cx);
6533
6534 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
6535 pane.pin_tab_at(ix, window, cx);
6536 });
6537 assert_item_labels(&pane_a, ["A!", "B!", "C*!"], cx);
6538
6539 // Move A to right of B
6540 pane_a.update_in(cx, |pane, window, cx| {
6541 let dragged_tab = DraggedTab {
6542 pane: pane_a.clone(),
6543 item: item_a.boxed_clone(),
6544 ix: 0,
6545 detail: 0,
6546 is_active: true,
6547 };
6548 pane.handle_tab_drop(&dragged_tab, 1, false, window, cx);
6549 });
6550
6551 // A should be after B and all are pinned
6552 assert_item_labels(&pane_a, ["B!", "A*!", "C!"], cx);
6553
6554 // Move A to right of C
6555 pane_a.update_in(cx, |pane, window, cx| {
6556 let dragged_tab = DraggedTab {
6557 pane: pane_a.clone(),
6558 item: item_a.boxed_clone(),
6559 ix: 1,
6560 detail: 0,
6561 is_active: true,
6562 };
6563 pane.handle_tab_drop(&dragged_tab, 2, false, window, cx);
6564 });
6565
6566 // A should be after C and all are pinned
6567 assert_item_labels(&pane_a, ["B!", "C!", "A*!"], cx);
6568
6569 // Move A to left of C
6570 pane_a.update_in(cx, |pane, window, cx| {
6571 let dragged_tab = DraggedTab {
6572 pane: pane_a.clone(),
6573 item: item_a.boxed_clone(),
6574 ix: 2,
6575 detail: 0,
6576 is_active: true,
6577 };
6578 pane.handle_tab_drop(&dragged_tab, 1, false, window, cx);
6579 });
6580
6581 // A should be before C and all are pinned
6582 assert_item_labels(&pane_a, ["B!", "A*!", "C!"], cx);
6583
6584 // Move A to left of B
6585 pane_a.update_in(cx, |pane, window, cx| {
6586 let dragged_tab = DraggedTab {
6587 pane: pane_a.clone(),
6588 item: item_a.boxed_clone(),
6589 ix: 1,
6590 detail: 0,
6591 is_active: true,
6592 };
6593 pane.handle_tab_drop(&dragged_tab, 0, false, window, cx);
6594 });
6595
6596 // A should be before B and all are pinned
6597 assert_item_labels(&pane_a, ["A*!", "B!", "C!"], cx);
6598 }
6599
6600 #[gpui::test]
6601 async fn test_drag_first_tab_to_last_position(cx: &mut TestAppContext) {
6602 init_test(cx);
6603 let fs = FakeFs::new(cx.executor());
6604
6605 let project = Project::test(fs, None, cx).await;
6606 let (workspace, cx) =
6607 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6608 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6609
6610 // Add A, B, C
6611 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6612 add_labeled_item(&pane_a, "B", false, cx);
6613 add_labeled_item(&pane_a, "C", false, cx);
6614 assert_item_labels(&pane_a, ["A", "B", "C*"], cx);
6615
6616 // Move A to the end
6617 pane_a.update_in(cx, |pane, window, cx| {
6618 let dragged_tab = DraggedTab {
6619 pane: pane_a.clone(),
6620 item: item_a.boxed_clone(),
6621 ix: 0,
6622 detail: 0,
6623 is_active: true,
6624 };
6625 pane.handle_tab_drop(&dragged_tab, 2, false, window, cx);
6626 });
6627
6628 // A should be at the end
6629 assert_item_labels(&pane_a, ["B", "C", "A*"], cx);
6630 }
6631
6632 #[gpui::test]
6633 async fn test_drag_last_tab_to_first_position(cx: &mut TestAppContext) {
6634 init_test(cx);
6635 let fs = FakeFs::new(cx.executor());
6636
6637 let project = Project::test(fs, None, cx).await;
6638 let (workspace, cx) =
6639 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6640 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6641
6642 // Add A, B, C
6643 add_labeled_item(&pane_a, "A", false, cx);
6644 add_labeled_item(&pane_a, "B", false, cx);
6645 let item_c = add_labeled_item(&pane_a, "C", false, cx);
6646 assert_item_labels(&pane_a, ["A", "B", "C*"], cx);
6647
6648 // Move C to the beginning
6649 pane_a.update_in(cx, |pane, window, cx| {
6650 let dragged_tab = DraggedTab {
6651 pane: pane_a.clone(),
6652 item: item_c.boxed_clone(),
6653 ix: 2,
6654 detail: 0,
6655 is_active: true,
6656 };
6657 pane.handle_tab_drop(&dragged_tab, 0, false, window, cx);
6658 });
6659
6660 // C should be at the beginning
6661 assert_item_labels(&pane_a, ["C*", "A", "B"], cx);
6662 }
6663
6664 #[gpui::test]
6665 async fn test_drag_tab_to_middle_tab_with_mouse_events(cx: &mut TestAppContext) {
6666 init_test(cx);
6667 let fs = FakeFs::new(cx.executor());
6668
6669 let project = Project::test(fs, None, cx).await;
6670 let (workspace, cx) =
6671 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6672 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6673
6674 add_labeled_item(&pane, "A", false, cx);
6675 add_labeled_item(&pane, "B", false, cx);
6676 add_labeled_item(&pane, "C", false, cx);
6677 add_labeled_item(&pane, "D", false, cx);
6678 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
6679 cx.run_until_parked();
6680
6681 let tab_a_bounds = cx
6682 .debug_bounds("TAB-0")
6683 .expect("Tab A (index 0) should have debug bounds");
6684 let tab_c_bounds = cx
6685 .debug_bounds("TAB-2")
6686 .expect("Tab C (index 2) should have debug bounds");
6687
6688 cx.simulate_event(MouseDownEvent {
6689 position: tab_a_bounds.center(),
6690 button: MouseButton::Left,
6691 modifiers: Modifiers::default(),
6692 click_count: 1,
6693 first_mouse: false,
6694 });
6695 cx.run_until_parked();
6696 cx.simulate_event(MouseMoveEvent {
6697 position: tab_c_bounds.center(),
6698 pressed_button: Some(MouseButton::Left),
6699 modifiers: Modifiers::default(),
6700 });
6701 cx.run_until_parked();
6702 cx.simulate_event(MouseUpEvent {
6703 position: tab_c_bounds.center(),
6704 button: MouseButton::Left,
6705 modifiers: Modifiers::default(),
6706 click_count: 1,
6707 });
6708 cx.run_until_parked();
6709
6710 assert_item_labels(&pane, ["B", "C", "A*", "D"], cx);
6711 }
6712
6713 #[gpui::test]
6714 async fn test_drag_pinned_tab_when_show_pinned_tabs_in_separate_row_enabled(
6715 cx: &mut TestAppContext,
6716 ) {
6717 init_test(cx);
6718 set_pinned_tabs_separate_row(cx, true);
6719 let fs = FakeFs::new(cx.executor());
6720
6721 let project = Project::test(fs, None, cx).await;
6722 let (workspace, cx) =
6723 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6724 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6725
6726 let item_a = add_labeled_item(&pane, "A", false, cx);
6727 let item_b = add_labeled_item(&pane, "B", false, cx);
6728 let item_c = add_labeled_item(&pane, "C", false, cx);
6729 let item_d = add_labeled_item(&pane, "D", false, cx);
6730
6731 pane.update_in(cx, |pane, window, cx| {
6732 pane.pin_tab_at(
6733 pane.index_for_item_id(item_a.item_id()).unwrap(),
6734 window,
6735 cx,
6736 );
6737 pane.pin_tab_at(
6738 pane.index_for_item_id(item_b.item_id()).unwrap(),
6739 window,
6740 cx,
6741 );
6742 pane.pin_tab_at(
6743 pane.index_for_item_id(item_c.item_id()).unwrap(),
6744 window,
6745 cx,
6746 );
6747 pane.pin_tab_at(
6748 pane.index_for_item_id(item_d.item_id()).unwrap(),
6749 window,
6750 cx,
6751 );
6752 });
6753 assert_item_labels(&pane, ["A!", "B!", "C!", "D*!"], cx);
6754 cx.run_until_parked();
6755
6756 let tab_a_bounds = cx
6757 .debug_bounds("TAB-0")
6758 .expect("Tab A (index 0) should have debug bounds");
6759 let tab_c_bounds = cx
6760 .debug_bounds("TAB-2")
6761 .expect("Tab C (index 2) should have debug bounds");
6762
6763 cx.simulate_event(MouseDownEvent {
6764 position: tab_a_bounds.center(),
6765 button: MouseButton::Left,
6766 modifiers: Modifiers::default(),
6767 click_count: 1,
6768 first_mouse: false,
6769 });
6770 cx.run_until_parked();
6771 cx.simulate_event(MouseMoveEvent {
6772 position: tab_c_bounds.center(),
6773 pressed_button: Some(MouseButton::Left),
6774 modifiers: Modifiers::default(),
6775 });
6776 cx.run_until_parked();
6777 cx.simulate_event(MouseUpEvent {
6778 position: tab_c_bounds.center(),
6779 button: MouseButton::Left,
6780 modifiers: Modifiers::default(),
6781 click_count: 1,
6782 });
6783 cx.run_until_parked();
6784
6785 assert_item_labels(&pane, ["B!", "C!", "A*!", "D!"], cx);
6786 }
6787
6788 #[gpui::test]
6789 async fn test_drag_unpinned_tab_when_show_pinned_tabs_in_separate_row_enabled(
6790 cx: &mut TestAppContext,
6791 ) {
6792 init_test(cx);
6793 set_pinned_tabs_separate_row(cx, true);
6794 let fs = FakeFs::new(cx.executor());
6795
6796 let project = Project::test(fs, None, cx).await;
6797 let (workspace, cx) =
6798 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6799 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6800
6801 add_labeled_item(&pane, "A", false, cx);
6802 add_labeled_item(&pane, "B", false, cx);
6803 add_labeled_item(&pane, "C", false, cx);
6804 add_labeled_item(&pane, "D", false, cx);
6805 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
6806 cx.run_until_parked();
6807
6808 let tab_a_bounds = cx
6809 .debug_bounds("TAB-0")
6810 .expect("Tab A (index 0) should have debug bounds");
6811 let tab_c_bounds = cx
6812 .debug_bounds("TAB-2")
6813 .expect("Tab C (index 2) should have debug bounds");
6814
6815 cx.simulate_event(MouseDownEvent {
6816 position: tab_a_bounds.center(),
6817 button: MouseButton::Left,
6818 modifiers: Modifiers::default(),
6819 click_count: 1,
6820 first_mouse: false,
6821 });
6822 cx.run_until_parked();
6823 cx.simulate_event(MouseMoveEvent {
6824 position: tab_c_bounds.center(),
6825 pressed_button: Some(MouseButton::Left),
6826 modifiers: Modifiers::default(),
6827 });
6828 cx.run_until_parked();
6829 cx.simulate_event(MouseUpEvent {
6830 position: tab_c_bounds.center(),
6831 button: MouseButton::Left,
6832 modifiers: Modifiers::default(),
6833 click_count: 1,
6834 });
6835 cx.run_until_parked();
6836
6837 assert_item_labels(&pane, ["B", "C", "A*", "D"], cx);
6838 }
6839
6840 #[gpui::test]
6841 async fn test_drag_mixed_tabs_when_show_pinned_tabs_in_separate_row_enabled(
6842 cx: &mut TestAppContext,
6843 ) {
6844 init_test(cx);
6845 set_pinned_tabs_separate_row(cx, true);
6846 let fs = FakeFs::new(cx.executor());
6847
6848 let project = Project::test(fs, None, cx).await;
6849 let (workspace, cx) =
6850 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6851 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6852
6853 let item_a = add_labeled_item(&pane, "A", false, cx);
6854 let item_b = add_labeled_item(&pane, "B", false, cx);
6855 add_labeled_item(&pane, "C", false, cx);
6856 add_labeled_item(&pane, "D", false, cx);
6857 add_labeled_item(&pane, "E", false, cx);
6858 add_labeled_item(&pane, "F", false, cx);
6859
6860 pane.update_in(cx, |pane, window, cx| {
6861 pane.pin_tab_at(
6862 pane.index_for_item_id(item_a.item_id()).unwrap(),
6863 window,
6864 cx,
6865 );
6866 pane.pin_tab_at(
6867 pane.index_for_item_id(item_b.item_id()).unwrap(),
6868 window,
6869 cx,
6870 );
6871 });
6872 assert_item_labels(&pane, ["A!", "B!", "C", "D", "E", "F*"], cx);
6873 cx.run_until_parked();
6874
6875 let tab_c_bounds = cx
6876 .debug_bounds("TAB-2")
6877 .expect("Tab C (index 2) should have debug bounds");
6878 let tab_e_bounds = cx
6879 .debug_bounds("TAB-4")
6880 .expect("Tab E (index 4) should have debug bounds");
6881
6882 cx.simulate_event(MouseDownEvent {
6883 position: tab_c_bounds.center(),
6884 button: MouseButton::Left,
6885 modifiers: Modifiers::default(),
6886 click_count: 1,
6887 first_mouse: false,
6888 });
6889 cx.run_until_parked();
6890 cx.simulate_event(MouseMoveEvent {
6891 position: tab_e_bounds.center(),
6892 pressed_button: Some(MouseButton::Left),
6893 modifiers: Modifiers::default(),
6894 });
6895 cx.run_until_parked();
6896 cx.simulate_event(MouseUpEvent {
6897 position: tab_e_bounds.center(),
6898 button: MouseButton::Left,
6899 modifiers: Modifiers::default(),
6900 click_count: 1,
6901 });
6902 cx.run_until_parked();
6903
6904 assert_item_labels(&pane, ["A!", "B!", "D", "E", "C*", "F"], cx);
6905 }
6906
6907 #[gpui::test]
6908 async fn test_middle_click_pinned_tab_does_not_close(cx: &mut TestAppContext) {
6909 init_test(cx);
6910 let fs = FakeFs::new(cx.executor());
6911
6912 let project = Project::test(fs, None, cx).await;
6913 let (workspace, cx) =
6914 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6915 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6916
6917 let item_a = add_labeled_item(&pane, "A", false, cx);
6918 add_labeled_item(&pane, "B", false, cx);
6919
6920 pane.update_in(cx, |pane, window, cx| {
6921 pane.pin_tab_at(
6922 pane.index_for_item_id(item_a.item_id()).unwrap(),
6923 window,
6924 cx,
6925 );
6926 });
6927 assert_item_labels(&pane, ["A!", "B*"], cx);
6928 cx.run_until_parked();
6929
6930 let tab_a_bounds = cx
6931 .debug_bounds("TAB-0")
6932 .expect("Tab A (index 1) should have debug bounds");
6933 let tab_b_bounds = cx
6934 .debug_bounds("TAB-1")
6935 .expect("Tab B (index 2) should have debug bounds");
6936
6937 cx.simulate_event(MouseDownEvent {
6938 position: tab_a_bounds.center(),
6939 button: MouseButton::Middle,
6940 modifiers: Modifiers::default(),
6941 click_count: 1,
6942 first_mouse: false,
6943 });
6944
6945 cx.run_until_parked();
6946
6947 cx.simulate_event(MouseUpEvent {
6948 position: tab_a_bounds.center(),
6949 button: MouseButton::Middle,
6950 modifiers: Modifiers::default(),
6951 click_count: 1,
6952 });
6953
6954 cx.run_until_parked();
6955
6956 cx.simulate_event(MouseDownEvent {
6957 position: tab_b_bounds.center(),
6958 button: MouseButton::Middle,
6959 modifiers: Modifiers::default(),
6960 click_count: 1,
6961 first_mouse: false,
6962 });
6963
6964 cx.run_until_parked();
6965
6966 cx.simulate_event(MouseUpEvent {
6967 position: tab_b_bounds.center(),
6968 button: MouseButton::Middle,
6969 modifiers: Modifiers::default(),
6970 click_count: 1,
6971 });
6972
6973 cx.run_until_parked();
6974
6975 assert_item_labels(&pane, ["A*!"], cx);
6976 }
6977
6978 #[gpui::test]
6979 async fn test_double_click_pinned_tab_bar_empty_space_creates_new_tab(cx: &mut TestAppContext) {
6980 init_test(cx);
6981 let fs = FakeFs::new(cx.executor());
6982
6983 let project = Project::test(fs, None, cx).await;
6984 let (workspace, cx) =
6985 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6986 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6987
6988 // The real NewFile handler lives in editor::init, which isn't initialized
6989 // in workspace tests. Register a global action handler that sets a flag so
6990 // we can verify the action is dispatched without depending on the editor crate.
6991 // TODO: If editor::init is ever available in workspace tests, remove this
6992 // flag and assert the resulting tab bar state directly instead.
6993 let new_file_dispatched = Rc::new(Cell::new(false));
6994 cx.update(|_, cx| {
6995 let new_file_dispatched = new_file_dispatched.clone();
6996 cx.on_action(move |_: &NewFile, _cx| {
6997 new_file_dispatched.set(true);
6998 });
6999 });
7000
7001 set_pinned_tabs_separate_row(cx, true);
7002
7003 let item_a = add_labeled_item(&pane, "A", false, cx);
7004 add_labeled_item(&pane, "B", false, cx);
7005
7006 pane.update_in(cx, |pane, window, cx| {
7007 let ix = pane
7008 .index_for_item_id(item_a.item_id())
7009 .expect("item A should exist");
7010 pane.pin_tab_at(ix, window, cx);
7011 });
7012 assert_item_labels(&pane, ["A!", "B*"], cx);
7013 cx.run_until_parked();
7014
7015 let pinned_drop_target_bounds = cx
7016 .debug_bounds("pinned_tabs_border")
7017 .expect("pinned_tabs_border should have debug bounds");
7018
7019 cx.simulate_event(MouseDownEvent {
7020 position: pinned_drop_target_bounds.center(),
7021 button: MouseButton::Left,
7022 modifiers: Modifiers::default(),
7023 click_count: 2,
7024 first_mouse: false,
7025 });
7026
7027 cx.run_until_parked();
7028
7029 cx.simulate_event(MouseUpEvent {
7030 position: pinned_drop_target_bounds.center(),
7031 button: MouseButton::Left,
7032 modifiers: Modifiers::default(),
7033 click_count: 2,
7034 });
7035
7036 cx.run_until_parked();
7037
7038 // TODO: If editor::init is ever available in workspace tests, replace this
7039 // with an assert_item_labels check that verifies a new tab is actually created.
7040 assert!(
7041 new_file_dispatched.get(),
7042 "Double-clicking pinned tab bar empty space should dispatch the new file action"
7043 );
7044 }
7045
7046 #[gpui::test]
7047 async fn test_add_item_with_new_item(cx: &mut TestAppContext) {
7048 init_test(cx);
7049 let fs = FakeFs::new(cx.executor());
7050
7051 let project = Project::test(fs, None, cx).await;
7052 let (workspace, cx) =
7053 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7054 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7055
7056 // 1. Add with a destination index
7057 // a. Add before the active item
7058 set_labeled_items(&pane, ["A", "B*", "C"], cx);
7059 pane.update_in(cx, |pane, window, cx| {
7060 pane.add_item(
7061 Box::new(cx.new(|cx| TestItem::new(cx).with_label("D"))),
7062 false,
7063 false,
7064 Some(0),
7065 window,
7066 cx,
7067 );
7068 });
7069 assert_item_labels(&pane, ["D*", "A", "B", "C"], cx);
7070
7071 // b. Add after the active item
7072 set_labeled_items(&pane, ["A", "B*", "C"], cx);
7073 pane.update_in(cx, |pane, window, cx| {
7074 pane.add_item(
7075 Box::new(cx.new(|cx| TestItem::new(cx).with_label("D"))),
7076 false,
7077 false,
7078 Some(2),
7079 window,
7080 cx,
7081 );
7082 });
7083 assert_item_labels(&pane, ["A", "B", "D*", "C"], cx);
7084
7085 // c. Add at the end of the item list (including off the length)
7086 set_labeled_items(&pane, ["A", "B*", "C"], cx);
7087 pane.update_in(cx, |pane, window, cx| {
7088 pane.add_item(
7089 Box::new(cx.new(|cx| TestItem::new(cx).with_label("D"))),
7090 false,
7091 false,
7092 Some(5),
7093 window,
7094 cx,
7095 );
7096 });
7097 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
7098
7099 // 2. Add without a destination index
7100 // a. Add with active item at the start of the item list
7101 set_labeled_items(&pane, ["A*", "B", "C"], cx);
7102 pane.update_in(cx, |pane, window, cx| {
7103 pane.add_item(
7104 Box::new(cx.new(|cx| TestItem::new(cx).with_label("D"))),
7105 false,
7106 false,
7107 None,
7108 window,
7109 cx,
7110 );
7111 });
7112 set_labeled_items(&pane, ["A", "D*", "B", "C"], cx);
7113
7114 // b. Add with active item at the end of the item list
7115 set_labeled_items(&pane, ["A", "B", "C*"], cx);
7116 pane.update_in(cx, |pane, window, cx| {
7117 pane.add_item(
7118 Box::new(cx.new(|cx| TestItem::new(cx).with_label("D"))),
7119 false,
7120 false,
7121 None,
7122 window,
7123 cx,
7124 );
7125 });
7126 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
7127 }
7128
7129 #[gpui::test]
7130 async fn test_add_item_with_existing_item(cx: &mut TestAppContext) {
7131 init_test(cx);
7132 let fs = FakeFs::new(cx.executor());
7133
7134 let project = Project::test(fs, None, cx).await;
7135 let (workspace, cx) =
7136 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7137 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7138
7139 // 1. Add with a destination index
7140 // 1a. Add before the active item
7141 let [_, _, _, d] = set_labeled_items(&pane, ["A", "B*", "C", "D"], cx);
7142 pane.update_in(cx, |pane, window, cx| {
7143 pane.add_item(d, false, false, Some(0), window, cx);
7144 });
7145 assert_item_labels(&pane, ["D*", "A", "B", "C"], cx);
7146
7147 // 1b. Add after the active item
7148 let [_, _, _, d] = set_labeled_items(&pane, ["A", "B*", "C", "D"], cx);
7149 pane.update_in(cx, |pane, window, cx| {
7150 pane.add_item(d, false, false, Some(2), window, cx);
7151 });
7152 assert_item_labels(&pane, ["A", "B", "D*", "C"], cx);
7153
7154 // 1c. Add at the end of the item list (including off the length)
7155 let [a, _, _, _] = set_labeled_items(&pane, ["A", "B*", "C", "D"], cx);
7156 pane.update_in(cx, |pane, window, cx| {
7157 pane.add_item(a, false, false, Some(5), window, cx);
7158 });
7159 assert_item_labels(&pane, ["B", "C", "D", "A*"], cx);
7160
7161 // 1d. Add same item to active index
7162 let [_, b, _] = set_labeled_items(&pane, ["A", "B*", "C"], cx);
7163 pane.update_in(cx, |pane, window, cx| {
7164 pane.add_item(b, false, false, Some(1), window, cx);
7165 });
7166 assert_item_labels(&pane, ["A", "B*", "C"], cx);
7167
7168 // 1e. Add item to index after same item in last position
7169 let [_, _, c] = set_labeled_items(&pane, ["A", "B*", "C"], cx);
7170 pane.update_in(cx, |pane, window, cx| {
7171 pane.add_item(c, false, false, Some(2), window, cx);
7172 });
7173 assert_item_labels(&pane, ["A", "B", "C*"], cx);
7174
7175 // 2. Add without a destination index
7176 // 2a. Add with active item at the start of the item list
7177 let [_, _, _, d] = set_labeled_items(&pane, ["A*", "B", "C", "D"], cx);
7178 pane.update_in(cx, |pane, window, cx| {
7179 pane.add_item(d, false, false, None, window, cx);
7180 });
7181 assert_item_labels(&pane, ["A", "D*", "B", "C"], cx);
7182
7183 // 2b. Add with active item at the end of the item list
7184 let [a, _, _, _] = set_labeled_items(&pane, ["A", "B", "C", "D*"], cx);
7185 pane.update_in(cx, |pane, window, cx| {
7186 pane.add_item(a, false, false, None, window, cx);
7187 });
7188 assert_item_labels(&pane, ["B", "C", "D", "A*"], cx);
7189
7190 // 2c. Add active item to active item at end of list
7191 let [_, _, c] = set_labeled_items(&pane, ["A", "B", "C*"], cx);
7192 pane.update_in(cx, |pane, window, cx| {
7193 pane.add_item(c, false, false, None, window, cx);
7194 });
7195 assert_item_labels(&pane, ["A", "B", "C*"], cx);
7196
7197 // 2d. Add active item to active item at start of list
7198 let [a, _, _] = set_labeled_items(&pane, ["A*", "B", "C"], cx);
7199 pane.update_in(cx, |pane, window, cx| {
7200 pane.add_item(a, false, false, None, window, cx);
7201 });
7202 assert_item_labels(&pane, ["A*", "B", "C"], cx);
7203 }
7204
7205 #[gpui::test]
7206 async fn test_add_item_with_same_project_entries(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 // singleton view
7216 pane.update_in(cx, |pane, window, cx| {
7217 pane.add_item(
7218 Box::new(cx.new(|cx| {
7219 TestItem::new(cx)
7220 .with_buffer_kind(ItemBufferKind::Singleton)
7221 .with_label("buffer 1")
7222 .with_project_items(&[TestProjectItem::new(1, "one.txt", cx)])
7223 })),
7224 false,
7225 false,
7226 None,
7227 window,
7228 cx,
7229 );
7230 });
7231 assert_item_labels(&pane, ["buffer 1*"], cx);
7232
7233 // new singleton view with the same project entry
7234 pane.update_in(cx, |pane, window, cx| {
7235 pane.add_item(
7236 Box::new(cx.new(|cx| {
7237 TestItem::new(cx)
7238 .with_buffer_kind(ItemBufferKind::Singleton)
7239 .with_label("buffer 1")
7240 .with_project_items(&[TestProjectItem::new(1, "1.txt", cx)])
7241 })),
7242 false,
7243 false,
7244 None,
7245 window,
7246 cx,
7247 );
7248 });
7249 assert_item_labels(&pane, ["buffer 1*"], cx);
7250
7251 // new singleton view with different project entry
7252 pane.update_in(cx, |pane, window, cx| {
7253 pane.add_item(
7254 Box::new(cx.new(|cx| {
7255 TestItem::new(cx)
7256 .with_buffer_kind(ItemBufferKind::Singleton)
7257 .with_label("buffer 2")
7258 .with_project_items(&[TestProjectItem::new(2, "2.txt", cx)])
7259 })),
7260 false,
7261 false,
7262 None,
7263 window,
7264 cx,
7265 );
7266 });
7267 assert_item_labels(&pane, ["buffer 1", "buffer 2*"], cx);
7268
7269 // new multibuffer view with the same project entry
7270 pane.update_in(cx, |pane, window, cx| {
7271 pane.add_item(
7272 Box::new(cx.new(|cx| {
7273 TestItem::new(cx)
7274 .with_buffer_kind(ItemBufferKind::Multibuffer)
7275 .with_label("multibuffer 1")
7276 .with_project_items(&[TestProjectItem::new(1, "1.txt", cx)])
7277 })),
7278 false,
7279 false,
7280 None,
7281 window,
7282 cx,
7283 );
7284 });
7285 assert_item_labels(&pane, ["buffer 1", "buffer 2", "multibuffer 1*"], cx);
7286
7287 // another multibuffer view with the same project entry
7288 pane.update_in(cx, |pane, window, cx| {
7289 pane.add_item(
7290 Box::new(cx.new(|cx| {
7291 TestItem::new(cx)
7292 .with_buffer_kind(ItemBufferKind::Multibuffer)
7293 .with_label("multibuffer 1b")
7294 .with_project_items(&[TestProjectItem::new(1, "1.txt", cx)])
7295 })),
7296 false,
7297 false,
7298 None,
7299 window,
7300 cx,
7301 );
7302 });
7303 assert_item_labels(
7304 &pane,
7305 ["buffer 1", "buffer 2", "multibuffer 1", "multibuffer 1b*"],
7306 cx,
7307 );
7308 }
7309
7310 #[gpui::test]
7311 async fn test_remove_item_ordering_history(cx: &mut TestAppContext) {
7312 init_test(cx);
7313 let fs = FakeFs::new(cx.executor());
7314
7315 let project = Project::test(fs, None, cx).await;
7316 let (workspace, cx) =
7317 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7318 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7319
7320 add_labeled_item(&pane, "A", false, cx);
7321 add_labeled_item(&pane, "B", false, cx);
7322 add_labeled_item(&pane, "C", false, cx);
7323 add_labeled_item(&pane, "D", false, cx);
7324 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
7325
7326 pane.update_in(cx, |pane, window, cx| {
7327 pane.activate_item(1, false, false, window, cx)
7328 });
7329 add_labeled_item(&pane, "1", false, cx);
7330 assert_item_labels(&pane, ["A", "B", "1*", "C", "D"], cx);
7331
7332 pane.update_in(cx, |pane, window, cx| {
7333 pane.close_active_item(
7334 &CloseActiveItem {
7335 save_intent: None,
7336 close_pinned: false,
7337 },
7338 window,
7339 cx,
7340 )
7341 })
7342 .await
7343 .unwrap();
7344 assert_item_labels(&pane, ["A", "B*", "C", "D"], cx);
7345
7346 pane.update_in(cx, |pane, window, cx| {
7347 pane.activate_item(3, false, false, window, cx)
7348 });
7349 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
7350
7351 pane.update_in(cx, |pane, window, cx| {
7352 pane.close_active_item(
7353 &CloseActiveItem {
7354 save_intent: None,
7355 close_pinned: false,
7356 },
7357 window,
7358 cx,
7359 )
7360 })
7361 .await
7362 .unwrap();
7363 assert_item_labels(&pane, ["A", "B*", "C"], cx);
7364
7365 pane.update_in(cx, |pane, window, cx| {
7366 pane.close_active_item(
7367 &CloseActiveItem {
7368 save_intent: None,
7369 close_pinned: false,
7370 },
7371 window,
7372 cx,
7373 )
7374 })
7375 .await
7376 .unwrap();
7377 assert_item_labels(&pane, ["A", "C*"], cx);
7378
7379 pane.update_in(cx, |pane, window, cx| {
7380 pane.close_active_item(
7381 &CloseActiveItem {
7382 save_intent: None,
7383 close_pinned: false,
7384 },
7385 window,
7386 cx,
7387 )
7388 })
7389 .await
7390 .unwrap();
7391 assert_item_labels(&pane, ["A*"], cx);
7392 }
7393
7394 #[gpui::test]
7395 async fn test_remove_item_ordering_neighbour(cx: &mut TestAppContext) {
7396 init_test(cx);
7397 cx.update_global::<SettingsStore, ()>(|s, cx| {
7398 s.update_user_settings(cx, |s| {
7399 s.tabs.get_or_insert_default().activate_on_close = Some(ActivateOnClose::Neighbour);
7400 });
7401 });
7402 let fs = FakeFs::new(cx.executor());
7403
7404 let project = Project::test(fs, None, cx).await;
7405 let (workspace, cx) =
7406 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7407 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7408
7409 add_labeled_item(&pane, "A", false, cx);
7410 add_labeled_item(&pane, "B", false, cx);
7411 add_labeled_item(&pane, "C", false, cx);
7412 add_labeled_item(&pane, "D", false, cx);
7413 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
7414
7415 pane.update_in(cx, |pane, window, cx| {
7416 pane.activate_item(1, false, false, window, cx)
7417 });
7418 add_labeled_item(&pane, "1", false, cx);
7419 assert_item_labels(&pane, ["A", "B", "1*", "C", "D"], cx);
7420
7421 pane.update_in(cx, |pane, window, cx| {
7422 pane.close_active_item(
7423 &CloseActiveItem {
7424 save_intent: None,
7425 close_pinned: false,
7426 },
7427 window,
7428 cx,
7429 )
7430 })
7431 .await
7432 .unwrap();
7433 assert_item_labels(&pane, ["A", "B", "C*", "D"], cx);
7434
7435 pane.update_in(cx, |pane, window, cx| {
7436 pane.activate_item(3, false, false, window, cx)
7437 });
7438 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
7439
7440 pane.update_in(cx, |pane, window, cx| {
7441 pane.close_active_item(
7442 &CloseActiveItem {
7443 save_intent: None,
7444 close_pinned: false,
7445 },
7446 window,
7447 cx,
7448 )
7449 })
7450 .await
7451 .unwrap();
7452 assert_item_labels(&pane, ["A", "B", "C*"], cx);
7453
7454 pane.update_in(cx, |pane, window, cx| {
7455 pane.close_active_item(
7456 &CloseActiveItem {
7457 save_intent: None,
7458 close_pinned: false,
7459 },
7460 window,
7461 cx,
7462 )
7463 })
7464 .await
7465 .unwrap();
7466 assert_item_labels(&pane, ["A", "B*"], cx);
7467
7468 pane.update_in(cx, |pane, window, cx| {
7469 pane.close_active_item(
7470 &CloseActiveItem {
7471 save_intent: None,
7472 close_pinned: false,
7473 },
7474 window,
7475 cx,
7476 )
7477 })
7478 .await
7479 .unwrap();
7480 assert_item_labels(&pane, ["A*"], cx);
7481 }
7482
7483 #[gpui::test]
7484 async fn test_remove_item_ordering_left_neighbour(cx: &mut TestAppContext) {
7485 init_test(cx);
7486 cx.update_global::<SettingsStore, ()>(|s, cx| {
7487 s.update_user_settings(cx, |s| {
7488 s.tabs.get_or_insert_default().activate_on_close =
7489 Some(ActivateOnClose::LeftNeighbour);
7490 });
7491 });
7492 let fs = FakeFs::new(cx.executor());
7493
7494 let project = Project::test(fs, None, cx).await;
7495 let (workspace, cx) =
7496 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7497 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7498
7499 add_labeled_item(&pane, "A", false, cx);
7500 add_labeled_item(&pane, "B", false, cx);
7501 add_labeled_item(&pane, "C", false, cx);
7502 add_labeled_item(&pane, "D", false, cx);
7503 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
7504
7505 pane.update_in(cx, |pane, window, cx| {
7506 pane.activate_item(1, false, false, window, cx)
7507 });
7508 add_labeled_item(&pane, "1", false, cx);
7509 assert_item_labels(&pane, ["A", "B", "1*", "C", "D"], cx);
7510
7511 pane.update_in(cx, |pane, window, cx| {
7512 pane.close_active_item(
7513 &CloseActiveItem {
7514 save_intent: None,
7515 close_pinned: false,
7516 },
7517 window,
7518 cx,
7519 )
7520 })
7521 .await
7522 .unwrap();
7523 assert_item_labels(&pane, ["A", "B*", "C", "D"], cx);
7524
7525 pane.update_in(cx, |pane, window, cx| {
7526 pane.activate_item(3, false, false, window, cx)
7527 });
7528 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
7529
7530 pane.update_in(cx, |pane, window, cx| {
7531 pane.close_active_item(
7532 &CloseActiveItem {
7533 save_intent: None,
7534 close_pinned: false,
7535 },
7536 window,
7537 cx,
7538 )
7539 })
7540 .await
7541 .unwrap();
7542 assert_item_labels(&pane, ["A", "B", "C*"], cx);
7543
7544 pane.update_in(cx, |pane, window, cx| {
7545 pane.activate_item(0, false, false, window, cx)
7546 });
7547 assert_item_labels(&pane, ["A*", "B", "C"], cx);
7548
7549 pane.update_in(cx, |pane, window, cx| {
7550 pane.close_active_item(
7551 &CloseActiveItem {
7552 save_intent: None,
7553 close_pinned: false,
7554 },
7555 window,
7556 cx,
7557 )
7558 })
7559 .await
7560 .unwrap();
7561 assert_item_labels(&pane, ["B*", "C"], cx);
7562
7563 pane.update_in(cx, |pane, window, cx| {
7564 pane.close_active_item(
7565 &CloseActiveItem {
7566 save_intent: None,
7567 close_pinned: false,
7568 },
7569 window,
7570 cx,
7571 )
7572 })
7573 .await
7574 .unwrap();
7575 assert_item_labels(&pane, ["C*"], cx);
7576 }
7577
7578 #[gpui::test]
7579 async fn test_close_inactive_items(cx: &mut TestAppContext) {
7580 init_test(cx);
7581 let fs = FakeFs::new(cx.executor());
7582
7583 let project = Project::test(fs, None, cx).await;
7584 let (workspace, cx) =
7585 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7586 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7587
7588 let item_a = add_labeled_item(&pane, "A", false, cx);
7589 pane.update_in(cx, |pane, window, cx| {
7590 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
7591 pane.pin_tab_at(ix, window, cx);
7592 });
7593 assert_item_labels(&pane, ["A*!"], cx);
7594
7595 let item_b = add_labeled_item(&pane, "B", false, cx);
7596 pane.update_in(cx, |pane, window, cx| {
7597 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
7598 pane.pin_tab_at(ix, window, cx);
7599 });
7600 assert_item_labels(&pane, ["A!", "B*!"], cx);
7601
7602 add_labeled_item(&pane, "C", false, cx);
7603 assert_item_labels(&pane, ["A!", "B!", "C*"], cx);
7604
7605 add_labeled_item(&pane, "D", false, cx);
7606 add_labeled_item(&pane, "E", false, cx);
7607 assert_item_labels(&pane, ["A!", "B!", "C", "D", "E*"], cx);
7608
7609 pane.update_in(cx, |pane, window, cx| {
7610 pane.close_other_items(
7611 &CloseOtherItems {
7612 save_intent: None,
7613 close_pinned: false,
7614 },
7615 None,
7616 window,
7617 cx,
7618 )
7619 })
7620 .await
7621 .unwrap();
7622 assert_item_labels(&pane, ["A!", "B!", "E*"], cx);
7623 }
7624
7625 #[gpui::test]
7626 async fn test_running_close_inactive_items_via_an_inactive_item(cx: &mut TestAppContext) {
7627 init_test(cx);
7628 let fs = FakeFs::new(cx.executor());
7629
7630 let project = Project::test(fs, None, cx).await;
7631 let (workspace, cx) =
7632 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7633 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7634
7635 add_labeled_item(&pane, "A", false, cx);
7636 assert_item_labels(&pane, ["A*"], cx);
7637
7638 let item_b = add_labeled_item(&pane, "B", false, cx);
7639 assert_item_labels(&pane, ["A", "B*"], cx);
7640
7641 add_labeled_item(&pane, "C", false, cx);
7642 add_labeled_item(&pane, "D", false, cx);
7643 add_labeled_item(&pane, "E", false, cx);
7644 assert_item_labels(&pane, ["A", "B", "C", "D", "E*"], cx);
7645
7646 pane.update_in(cx, |pane, window, cx| {
7647 pane.close_other_items(
7648 &CloseOtherItems {
7649 save_intent: None,
7650 close_pinned: false,
7651 },
7652 Some(item_b.item_id()),
7653 window,
7654 cx,
7655 )
7656 })
7657 .await
7658 .unwrap();
7659 assert_item_labels(&pane, ["B*"], cx);
7660 }
7661
7662 #[gpui::test]
7663 async fn test_close_other_items_unpreviews_active_item(cx: &mut TestAppContext) {
7664 init_test(cx);
7665 let fs = FakeFs::new(cx.executor());
7666
7667 let project = Project::test(fs, None, cx).await;
7668 let (workspace, cx) =
7669 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7670 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7671
7672 add_labeled_item(&pane, "A", false, cx);
7673 add_labeled_item(&pane, "B", false, cx);
7674 let item_c = add_labeled_item(&pane, "C", false, cx);
7675 assert_item_labels(&pane, ["A", "B", "C*"], cx);
7676
7677 pane.update(cx, |pane, cx| {
7678 pane.set_preview_item_id(Some(item_c.item_id()), cx);
7679 });
7680 assert!(pane.read_with(cx, |pane, _| pane.preview_item_id()
7681 == Some(item_c.item_id())));
7682
7683 pane.update_in(cx, |pane, window, cx| {
7684 pane.close_other_items(
7685 &CloseOtherItems {
7686 save_intent: None,
7687 close_pinned: false,
7688 },
7689 Some(item_c.item_id()),
7690 window,
7691 cx,
7692 )
7693 })
7694 .await
7695 .unwrap();
7696
7697 assert!(pane.read_with(cx, |pane, _| pane.preview_item_id().is_none()));
7698 assert_item_labels(&pane, ["C*"], cx);
7699 }
7700
7701 #[gpui::test]
7702 async fn test_close_clean_items(cx: &mut TestAppContext) {
7703 init_test(cx);
7704 let fs = FakeFs::new(cx.executor());
7705
7706 let project = Project::test(fs, None, cx).await;
7707 let (workspace, cx) =
7708 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7709 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7710
7711 add_labeled_item(&pane, "A", true, cx);
7712 add_labeled_item(&pane, "B", false, cx);
7713 add_labeled_item(&pane, "C", true, cx);
7714 add_labeled_item(&pane, "D", false, cx);
7715 add_labeled_item(&pane, "E", false, cx);
7716 assert_item_labels(&pane, ["A^", "B", "C^", "D", "E*"], cx);
7717
7718 pane.update_in(cx, |pane, window, cx| {
7719 pane.close_clean_items(
7720 &CloseCleanItems {
7721 close_pinned: false,
7722 },
7723 window,
7724 cx,
7725 )
7726 })
7727 .await
7728 .unwrap();
7729 assert_item_labels(&pane, ["A^", "C*^"], cx);
7730 }
7731
7732 #[gpui::test]
7733 async fn test_close_items_to_the_left(cx: &mut TestAppContext) {
7734 init_test(cx);
7735 let fs = FakeFs::new(cx.executor());
7736
7737 let project = Project::test(fs, None, cx).await;
7738 let (workspace, cx) =
7739 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7740 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7741
7742 set_labeled_items(&pane, ["A", "B", "C*", "D", "E"], cx);
7743
7744 pane.update_in(cx, |pane, window, cx| {
7745 pane.close_items_to_the_left_by_id(
7746 None,
7747 &CloseItemsToTheLeft {
7748 close_pinned: false,
7749 },
7750 window,
7751 cx,
7752 )
7753 })
7754 .await
7755 .unwrap();
7756 assert_item_labels(&pane, ["C*", "D", "E"], cx);
7757 }
7758
7759 #[gpui::test]
7760 async fn test_close_items_to_the_right(cx: &mut TestAppContext) {
7761 init_test(cx);
7762 let fs = FakeFs::new(cx.executor());
7763
7764 let project = Project::test(fs, None, cx).await;
7765 let (workspace, cx) =
7766 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7767 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7768
7769 set_labeled_items(&pane, ["A", "B", "C*", "D", "E"], cx);
7770
7771 pane.update_in(cx, |pane, window, cx| {
7772 pane.close_items_to_the_right_by_id(
7773 None,
7774 &CloseItemsToTheRight {
7775 close_pinned: false,
7776 },
7777 window,
7778 cx,
7779 )
7780 })
7781 .await
7782 .unwrap();
7783 assert_item_labels(&pane, ["A", "B", "C*"], cx);
7784 }
7785
7786 #[gpui::test]
7787 async fn test_close_all_items(cx: &mut TestAppContext) {
7788 init_test(cx);
7789 let fs = FakeFs::new(cx.executor());
7790
7791 let project = Project::test(fs, None, cx).await;
7792 let (workspace, cx) =
7793 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7794 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7795
7796 let item_a = add_labeled_item(&pane, "A", false, cx);
7797 add_labeled_item(&pane, "B", false, cx);
7798 add_labeled_item(&pane, "C", false, cx);
7799 assert_item_labels(&pane, ["A", "B", "C*"], cx);
7800
7801 pane.update_in(cx, |pane, window, cx| {
7802 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
7803 pane.pin_tab_at(ix, window, cx);
7804 pane.close_all_items(
7805 &CloseAllItems {
7806 save_intent: None,
7807 close_pinned: false,
7808 },
7809 window,
7810 cx,
7811 )
7812 })
7813 .await
7814 .unwrap();
7815 assert_item_labels(&pane, ["A*!"], cx);
7816
7817 pane.update_in(cx, |pane, window, cx| {
7818 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
7819 pane.unpin_tab_at(ix, window, cx);
7820 pane.close_all_items(
7821 &CloseAllItems {
7822 save_intent: None,
7823 close_pinned: false,
7824 },
7825 window,
7826 cx,
7827 )
7828 })
7829 .await
7830 .unwrap();
7831
7832 assert_item_labels(&pane, [], cx);
7833
7834 add_labeled_item(&pane, "A", true, cx).update(cx, |item, cx| {
7835 item.project_items
7836 .push(TestProjectItem::new_dirty(1, "A.txt", cx))
7837 });
7838 add_labeled_item(&pane, "B", true, cx).update(cx, |item, cx| {
7839 item.project_items
7840 .push(TestProjectItem::new_dirty(2, "B.txt", cx))
7841 });
7842 add_labeled_item(&pane, "C", true, cx).update(cx, |item, cx| {
7843 item.project_items
7844 .push(TestProjectItem::new_dirty(3, "C.txt", cx))
7845 });
7846 assert_item_labels(&pane, ["A^", "B^", "C*^"], cx);
7847
7848 let save = pane.update_in(cx, |pane, window, cx| {
7849 pane.close_all_items(
7850 &CloseAllItems {
7851 save_intent: None,
7852 close_pinned: false,
7853 },
7854 window,
7855 cx,
7856 )
7857 });
7858
7859 cx.executor().run_until_parked();
7860 cx.simulate_prompt_answer("Save all");
7861 save.await.unwrap();
7862 assert_item_labels(&pane, [], cx);
7863
7864 add_labeled_item(&pane, "A", true, cx);
7865 add_labeled_item(&pane, "B", true, cx);
7866 add_labeled_item(&pane, "C", true, cx);
7867 assert_item_labels(&pane, ["A^", "B^", "C*^"], cx);
7868 let save = pane.update_in(cx, |pane, window, cx| {
7869 pane.close_all_items(
7870 &CloseAllItems {
7871 save_intent: None,
7872 close_pinned: false,
7873 },
7874 window,
7875 cx,
7876 )
7877 });
7878
7879 cx.executor().run_until_parked();
7880 cx.simulate_prompt_answer("Discard all");
7881 save.await.unwrap();
7882 assert_item_labels(&pane, [], cx);
7883
7884 add_labeled_item(&pane, "A", true, cx).update(cx, |item, cx| {
7885 item.project_items
7886 .push(TestProjectItem::new_dirty(1, "A.txt", cx))
7887 });
7888 add_labeled_item(&pane, "B", true, cx).update(cx, |item, cx| {
7889 item.project_items
7890 .push(TestProjectItem::new_dirty(2, "B.txt", cx))
7891 });
7892 add_labeled_item(&pane, "C", true, cx).update(cx, |item, cx| {
7893 item.project_items
7894 .push(TestProjectItem::new_dirty(3, "C.txt", cx))
7895 });
7896 assert_item_labels(&pane, ["A^", "B^", "C*^"], cx);
7897
7898 let close_task = pane.update_in(cx, |pane, window, cx| {
7899 pane.close_all_items(
7900 &CloseAllItems {
7901 save_intent: None,
7902 close_pinned: false,
7903 },
7904 window,
7905 cx,
7906 )
7907 });
7908
7909 cx.executor().run_until_parked();
7910 cx.simulate_prompt_answer("Discard all");
7911 close_task.await.unwrap();
7912 assert_item_labels(&pane, [], cx);
7913
7914 add_labeled_item(&pane, "Clean1", false, cx);
7915 add_labeled_item(&pane, "Dirty", true, cx).update(cx, |item, cx| {
7916 item.project_items
7917 .push(TestProjectItem::new_dirty(1, "Dirty.txt", cx))
7918 });
7919 add_labeled_item(&pane, "Clean2", false, cx);
7920 assert_item_labels(&pane, ["Clean1", "Dirty^", "Clean2*"], cx);
7921
7922 let close_task = pane.update_in(cx, |pane, window, cx| {
7923 pane.close_all_items(
7924 &CloseAllItems {
7925 save_intent: None,
7926 close_pinned: false,
7927 },
7928 window,
7929 cx,
7930 )
7931 });
7932
7933 cx.executor().run_until_parked();
7934 cx.simulate_prompt_answer("Cancel");
7935 close_task.await.unwrap();
7936 assert_item_labels(&pane, ["Dirty*^"], cx);
7937 }
7938
7939 #[gpui::test]
7940 async fn test_discard_all_reloads_from_disk(cx: &mut TestAppContext) {
7941 init_test(cx);
7942 let fs = FakeFs::new(cx.executor());
7943
7944 let project = Project::test(fs, None, cx).await;
7945 let (workspace, cx) =
7946 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7947 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7948
7949 let item_a = add_labeled_item(&pane, "A", true, cx);
7950 item_a.update(cx, |item, cx| {
7951 item.project_items
7952 .push(TestProjectItem::new_dirty(1, "A.txt", cx))
7953 });
7954 let item_b = add_labeled_item(&pane, "B", true, cx);
7955 item_b.update(cx, |item, cx| {
7956 item.project_items
7957 .push(TestProjectItem::new_dirty(2, "B.txt", cx))
7958 });
7959 assert_item_labels(&pane, ["A^", "B*^"], cx);
7960
7961 let close_task = pane.update_in(cx, |pane, window, cx| {
7962 pane.close_all_items(
7963 &CloseAllItems {
7964 save_intent: None,
7965 close_pinned: false,
7966 },
7967 window,
7968 cx,
7969 )
7970 });
7971
7972 cx.executor().run_until_parked();
7973 cx.simulate_prompt_answer("Discard all");
7974 close_task.await.unwrap();
7975 assert_item_labels(&pane, [], cx);
7976
7977 item_a.read_with(cx, |item, _| {
7978 assert_eq!(item.reload_count, 1, "item A should have been reloaded");
7979 assert!(
7980 !item.is_dirty,
7981 "item A should no longer be dirty after reload"
7982 );
7983 });
7984 item_b.read_with(cx, |item, _| {
7985 assert_eq!(item.reload_count, 1, "item B should have been reloaded");
7986 assert!(
7987 !item.is_dirty,
7988 "item B should no longer be dirty after reload"
7989 );
7990 });
7991 }
7992
7993 #[gpui::test]
7994 async fn test_dont_save_single_file_reloads_from_disk(cx: &mut TestAppContext) {
7995 init_test(cx);
7996 let fs = FakeFs::new(cx.executor());
7997
7998 let project = Project::test(fs, None, cx).await;
7999 let (workspace, cx) =
8000 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
8001 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8002
8003 let item = add_labeled_item(&pane, "Dirty", true, cx);
8004 item.update(cx, |item, cx| {
8005 item.project_items
8006 .push(TestProjectItem::new_dirty(1, "Dirty.txt", cx))
8007 });
8008 assert_item_labels(&pane, ["Dirty*^"], cx);
8009
8010 let close_task = pane.update_in(cx, |pane, window, cx| {
8011 pane.close_item_by_id(item.item_id(), SaveIntent::Close, window, cx)
8012 });
8013
8014 cx.executor().run_until_parked();
8015 cx.simulate_prompt_answer("Don't Save");
8016 close_task.await.unwrap();
8017 assert_item_labels(&pane, [], cx);
8018
8019 item.read_with(cx, |item, _| {
8020 assert_eq!(item.reload_count, 1, "item should have been reloaded");
8021 assert!(
8022 !item.is_dirty,
8023 "item should no longer be dirty after reload"
8024 );
8025 });
8026 }
8027
8028 #[gpui::test]
8029 async fn test_discard_does_not_reload_multibuffer(cx: &mut TestAppContext) {
8030 init_test(cx);
8031 let fs = FakeFs::new(cx.executor());
8032
8033 let project = Project::test(fs, None, cx).await;
8034 let (workspace, cx) =
8035 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
8036 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8037
8038 let singleton_item = pane.update_in(cx, |pane, window, cx| {
8039 let item = Box::new(cx.new(|cx| {
8040 TestItem::new(cx)
8041 .with_label("Singleton")
8042 .with_dirty(true)
8043 .with_buffer_kind(ItemBufferKind::Singleton)
8044 }));
8045 pane.add_item(item.clone(), false, false, None, window, cx);
8046 item
8047 });
8048 singleton_item.update(cx, |item, cx| {
8049 item.project_items
8050 .push(TestProjectItem::new_dirty(1, "Singleton.txt", cx))
8051 });
8052
8053 let multi_item = pane.update_in(cx, |pane, window, cx| {
8054 let item = Box::new(cx.new(|cx| {
8055 TestItem::new(cx)
8056 .with_label("Multi")
8057 .with_dirty(true)
8058 .with_buffer_kind(ItemBufferKind::Multibuffer)
8059 }));
8060 pane.add_item(item.clone(), false, false, None, window, cx);
8061 item
8062 });
8063 multi_item.update(cx, |item, cx| {
8064 item.project_items
8065 .push(TestProjectItem::new_dirty(2, "Multi.txt", cx))
8066 });
8067
8068 let close_task = pane.update_in(cx, |pane, window, cx| {
8069 pane.close_all_items(
8070 &CloseAllItems {
8071 save_intent: None,
8072 close_pinned: false,
8073 },
8074 window,
8075 cx,
8076 )
8077 });
8078
8079 cx.executor().run_until_parked();
8080 cx.simulate_prompt_answer("Discard all");
8081 close_task.await.unwrap();
8082 assert_item_labels(&pane, [], cx);
8083
8084 singleton_item.read_with(cx, |item, _| {
8085 assert_eq!(item.reload_count, 1, "singleton should have been reloaded");
8086 assert!(
8087 !item.is_dirty,
8088 "singleton should no longer be dirty after reload"
8089 );
8090 });
8091 multi_item.read_with(cx, |item, _| {
8092 assert_eq!(
8093 item.reload_count, 0,
8094 "multibuffer should not have been reloaded"
8095 );
8096 });
8097 }
8098
8099 #[gpui::test]
8100 async fn test_close_multibuffer_items(cx: &mut TestAppContext) {
8101 init_test(cx);
8102 let fs = FakeFs::new(cx.executor());
8103
8104 let project = Project::test(fs, None, cx).await;
8105 let (workspace, cx) =
8106 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
8107 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8108
8109 let add_labeled_item = |pane: &Entity<Pane>,
8110 label,
8111 is_dirty,
8112 kind: ItemBufferKind,
8113 cx: &mut VisualTestContext| {
8114 pane.update_in(cx, |pane, window, cx| {
8115 let labeled_item = Box::new(cx.new(|cx| {
8116 TestItem::new(cx)
8117 .with_label(label)
8118 .with_dirty(is_dirty)
8119 .with_buffer_kind(kind)
8120 }));
8121 pane.add_item(labeled_item.clone(), false, false, None, window, cx);
8122 labeled_item
8123 })
8124 };
8125
8126 let item_a = add_labeled_item(&pane, "A", false, ItemBufferKind::Multibuffer, cx);
8127 add_labeled_item(&pane, "B", false, ItemBufferKind::Multibuffer, cx);
8128 add_labeled_item(&pane, "C", false, ItemBufferKind::Singleton, cx);
8129 assert_item_labels(&pane, ["A", "B", "C*"], cx);
8130
8131 pane.update_in(cx, |pane, window, cx| {
8132 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
8133 pane.pin_tab_at(ix, window, cx);
8134 pane.close_multibuffer_items(
8135 &CloseMultibufferItems {
8136 save_intent: None,
8137 close_pinned: false,
8138 },
8139 window,
8140 cx,
8141 )
8142 })
8143 .await
8144 .unwrap();
8145 assert_item_labels(&pane, ["A!", "C*"], cx);
8146
8147 pane.update_in(cx, |pane, window, cx| {
8148 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
8149 pane.unpin_tab_at(ix, window, cx);
8150 pane.close_multibuffer_items(
8151 &CloseMultibufferItems {
8152 save_intent: None,
8153 close_pinned: false,
8154 },
8155 window,
8156 cx,
8157 )
8158 })
8159 .await
8160 .unwrap();
8161
8162 assert_item_labels(&pane, ["C*"], cx);
8163
8164 add_labeled_item(&pane, "A", true, ItemBufferKind::Singleton, cx).update(cx, |item, cx| {
8165 item.project_items
8166 .push(TestProjectItem::new_dirty(1, "A.txt", cx))
8167 });
8168 add_labeled_item(&pane, "B", true, ItemBufferKind::Multibuffer, cx).update(
8169 cx,
8170 |item, cx| {
8171 item.project_items
8172 .push(TestProjectItem::new_dirty(2, "B.txt", cx))
8173 },
8174 );
8175 add_labeled_item(&pane, "D", true, ItemBufferKind::Multibuffer, cx).update(
8176 cx,
8177 |item, cx| {
8178 item.project_items
8179 .push(TestProjectItem::new_dirty(3, "D.txt", cx))
8180 },
8181 );
8182 assert_item_labels(&pane, ["C", "A^", "B^", "D*^"], cx);
8183
8184 let save = pane.update_in(cx, |pane, window, cx| {
8185 pane.close_multibuffer_items(
8186 &CloseMultibufferItems {
8187 save_intent: None,
8188 close_pinned: false,
8189 },
8190 window,
8191 cx,
8192 )
8193 });
8194
8195 cx.executor().run_until_parked();
8196 cx.simulate_prompt_answer("Save all");
8197 save.await.unwrap();
8198 assert_item_labels(&pane, ["C", "A*^"], cx);
8199
8200 add_labeled_item(&pane, "B", true, ItemBufferKind::Multibuffer, cx).update(
8201 cx,
8202 |item, cx| {
8203 item.project_items
8204 .push(TestProjectItem::new_dirty(2, "B.txt", cx))
8205 },
8206 );
8207 add_labeled_item(&pane, "D", true, ItemBufferKind::Multibuffer, cx).update(
8208 cx,
8209 |item, cx| {
8210 item.project_items
8211 .push(TestProjectItem::new_dirty(3, "D.txt", cx))
8212 },
8213 );
8214 assert_item_labels(&pane, ["C", "A^", "B^", "D*^"], cx);
8215 let save = pane.update_in(cx, |pane, window, cx| {
8216 pane.close_multibuffer_items(
8217 &CloseMultibufferItems {
8218 save_intent: None,
8219 close_pinned: false,
8220 },
8221 window,
8222 cx,
8223 )
8224 });
8225
8226 cx.executor().run_until_parked();
8227 cx.simulate_prompt_answer("Discard all");
8228 save.await.unwrap();
8229 assert_item_labels(&pane, ["C", "A*^"], cx);
8230 }
8231
8232 #[gpui::test]
8233 async fn test_close_with_save_intent(cx: &mut TestAppContext) {
8234 init_test(cx);
8235 let fs = FakeFs::new(cx.executor());
8236
8237 let project = Project::test(fs, None, cx).await;
8238 let (workspace, cx) =
8239 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
8240 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8241
8242 let a = cx.update(|_, cx| TestProjectItem::new_dirty(1, "A.txt", cx));
8243 let b = cx.update(|_, cx| TestProjectItem::new_dirty(1, "B.txt", cx));
8244 let c = cx.update(|_, cx| TestProjectItem::new_dirty(1, "C.txt", cx));
8245
8246 add_labeled_item(&pane, "AB", true, cx).update(cx, |item, _| {
8247 item.project_items.push(a.clone());
8248 item.project_items.push(b.clone());
8249 });
8250 add_labeled_item(&pane, "C", true, cx)
8251 .update(cx, |item, _| item.project_items.push(c.clone()));
8252 assert_item_labels(&pane, ["AB^", "C*^"], cx);
8253
8254 pane.update_in(cx, |pane, window, cx| {
8255 pane.close_all_items(
8256 &CloseAllItems {
8257 save_intent: Some(SaveIntent::Save),
8258 close_pinned: false,
8259 },
8260 window,
8261 cx,
8262 )
8263 })
8264 .await
8265 .unwrap();
8266
8267 assert_item_labels(&pane, [], cx);
8268 cx.update(|_, cx| {
8269 assert!(!a.read(cx).is_dirty);
8270 assert!(!b.read(cx).is_dirty);
8271 assert!(!c.read(cx).is_dirty);
8272 });
8273 }
8274
8275 #[gpui::test]
8276 async fn test_new_tab_scrolls_into_view_completely(cx: &mut TestAppContext) {
8277 // Arrange
8278 init_test(cx);
8279 let fs = FakeFs::new(cx.executor());
8280
8281 let project = Project::test(fs, None, cx).await;
8282 let (workspace, cx) =
8283 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
8284 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8285
8286 cx.simulate_resize(size(px(300.), px(300.)));
8287
8288 add_labeled_item(&pane, "untitled", false, cx);
8289 add_labeled_item(&pane, "untitled", false, cx);
8290 add_labeled_item(&pane, "untitled", false, cx);
8291 add_labeled_item(&pane, "untitled", false, cx);
8292 // Act: this should trigger a scroll
8293 add_labeled_item(&pane, "untitled", false, cx);
8294 // Assert
8295 let tab_bar_scroll_handle =
8296 pane.update_in(cx, |pane, _window, _cx| pane.tab_bar_scroll_handle.clone());
8297 assert_eq!(tab_bar_scroll_handle.children_count(), 6);
8298 let tab_bounds = cx.debug_bounds("TAB-4").unwrap();
8299 let new_tab_button_bounds = cx.debug_bounds("ICON-Plus").unwrap();
8300 let scroll_bounds = tab_bar_scroll_handle.bounds();
8301 let scroll_offset = tab_bar_scroll_handle.offset();
8302 assert!(tab_bounds.right() <= scroll_bounds.right());
8303 // -39.5 is the magic number for this setup
8304 assert_eq!(scroll_offset.x, px(-39.5));
8305 assert!(
8306 !tab_bounds.intersects(&new_tab_button_bounds),
8307 "Tab should not overlap with the new tab button, if this is failing check if there's been a redesign!"
8308 );
8309 }
8310
8311 #[gpui::test]
8312 async fn test_pinned_tabs_scroll_to_item_uses_correct_index(cx: &mut TestAppContext) {
8313 init_test(cx);
8314 let fs = FakeFs::new(cx.executor());
8315
8316 let project = Project::test(fs, None, cx).await;
8317 let (workspace, cx) =
8318 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
8319 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8320
8321 cx.simulate_resize(size(px(400.), px(300.)));
8322
8323 for label in ["A", "B", "C"] {
8324 add_labeled_item(&pane, label, false, cx);
8325 }
8326
8327 pane.update_in(cx, |pane, window, cx| {
8328 pane.pin_tab_at(0, window, cx);
8329 pane.pin_tab_at(1, window, cx);
8330 pane.pin_tab_at(2, window, cx);
8331 });
8332
8333 for label in ["D", "E", "F", "G", "H", "I", "J", "K"] {
8334 add_labeled_item(&pane, label, false, cx);
8335 }
8336
8337 assert_item_labels(
8338 &pane,
8339 ["A!", "B!", "C!", "D", "E", "F", "G", "H", "I", "J", "K*"],
8340 cx,
8341 );
8342
8343 cx.run_until_parked();
8344
8345 // Verify overflow exists (precondition for scroll test)
8346 let scroll_handle =
8347 pane.update_in(cx, |pane, _window, _cx| pane.tab_bar_scroll_handle.clone());
8348 assert!(
8349 scroll_handle.max_offset().x > px(0.),
8350 "Test requires tab overflow to verify scrolling. Increase tab count or reduce window width."
8351 );
8352
8353 // Activate a different tab first, then activate K
8354 // This ensures we're not just re-activating an already-active tab
8355 pane.update_in(cx, |pane, window, cx| {
8356 pane.activate_item(3, true, true, window, cx);
8357 });
8358 cx.run_until_parked();
8359
8360 pane.update_in(cx, |pane, window, cx| {
8361 pane.activate_item(10, true, true, window, cx);
8362 });
8363 cx.run_until_parked();
8364
8365 let scroll_handle =
8366 pane.update_in(cx, |pane, _window, _cx| pane.tab_bar_scroll_handle.clone());
8367 let k_tab_bounds = cx.debug_bounds("TAB-10").unwrap();
8368 let scroll_bounds = scroll_handle.bounds();
8369
8370 assert!(
8371 k_tab_bounds.left() >= scroll_bounds.left(),
8372 "Active tab K should be scrolled into view"
8373 );
8374 }
8375
8376 #[gpui::test]
8377 async fn test_close_all_items_including_pinned(cx: &mut TestAppContext) {
8378 init_test(cx);
8379 let fs = FakeFs::new(cx.executor());
8380
8381 let project = Project::test(fs, None, cx).await;
8382 let (workspace, cx) =
8383 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
8384 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8385
8386 let item_a = add_labeled_item(&pane, "A", false, cx);
8387 add_labeled_item(&pane, "B", false, cx);
8388 add_labeled_item(&pane, "C", false, cx);
8389 assert_item_labels(&pane, ["A", "B", "C*"], cx);
8390
8391 pane.update_in(cx, |pane, window, cx| {
8392 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
8393 pane.pin_tab_at(ix, window, cx);
8394 pane.close_all_items(
8395 &CloseAllItems {
8396 save_intent: None,
8397 close_pinned: true,
8398 },
8399 window,
8400 cx,
8401 )
8402 })
8403 .await
8404 .unwrap();
8405 assert_item_labels(&pane, [], cx);
8406 }
8407
8408 #[gpui::test]
8409 async fn test_close_pinned_tab_with_non_pinned_in_same_pane(cx: &mut TestAppContext) {
8410 init_test(cx);
8411 let fs = FakeFs::new(cx.executor());
8412 let project = Project::test(fs, None, cx).await;
8413 let (workspace, cx) =
8414 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
8415
8416 // Non-pinned tabs in same pane
8417 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8418 add_labeled_item(&pane, "A", false, cx);
8419 add_labeled_item(&pane, "B", false, cx);
8420 add_labeled_item(&pane, "C", false, cx);
8421 pane.update_in(cx, |pane, window, cx| {
8422 pane.pin_tab_at(0, window, cx);
8423 });
8424 set_labeled_items(&pane, ["A*", "B", "C"], cx);
8425 pane.update_in(cx, |pane, window, cx| {
8426 pane.close_active_item(
8427 &CloseActiveItem {
8428 save_intent: None,
8429 close_pinned: false,
8430 },
8431 window,
8432 cx,
8433 )
8434 .unwrap();
8435 });
8436 // Non-pinned tab should be active
8437 assert_item_labels(&pane, ["A!", "B*", "C"], cx);
8438 }
8439
8440 #[gpui::test]
8441 async fn test_close_pinned_tab_with_non_pinned_in_different_pane(cx: &mut TestAppContext) {
8442 init_test(cx);
8443 let fs = FakeFs::new(cx.executor());
8444 let project = Project::test(fs, None, cx).await;
8445 let (workspace, cx) =
8446 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
8447
8448 // No non-pinned tabs in same pane, non-pinned tabs in another pane
8449 let pane1 = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8450 let pane2 = workspace.update_in(cx, |workspace, window, cx| {
8451 workspace.split_pane(pane1.clone(), SplitDirection::Right, window, cx)
8452 });
8453 add_labeled_item(&pane1, "A", false, cx);
8454 pane1.update_in(cx, |pane, window, cx| {
8455 pane.pin_tab_at(0, window, cx);
8456 });
8457 set_labeled_items(&pane1, ["A*"], cx);
8458 add_labeled_item(&pane2, "B", false, cx);
8459 set_labeled_items(&pane2, ["B"], cx);
8460 pane1.update_in(cx, |pane, window, cx| {
8461 pane.close_active_item(
8462 &CloseActiveItem {
8463 save_intent: None,
8464 close_pinned: false,
8465 },
8466 window,
8467 cx,
8468 )
8469 .unwrap();
8470 });
8471 // Non-pinned tab of other pane should be active
8472 assert_item_labels(&pane2, ["B*"], cx);
8473 }
8474
8475 #[gpui::test]
8476 async fn ensure_item_closing_actions_do_not_panic_when_no_items_exist(cx: &mut TestAppContext) {
8477 init_test(cx);
8478 let fs = FakeFs::new(cx.executor());
8479 let project = Project::test(fs, None, cx).await;
8480 let (workspace, cx) =
8481 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
8482
8483 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8484 assert_item_labels(&pane, [], cx);
8485
8486 pane.update_in(cx, |pane, window, cx| {
8487 pane.close_active_item(
8488 &CloseActiveItem {
8489 save_intent: None,
8490 close_pinned: false,
8491 },
8492 window,
8493 cx,
8494 )
8495 })
8496 .await
8497 .unwrap();
8498
8499 pane.update_in(cx, |pane, window, cx| {
8500 pane.close_other_items(
8501 &CloseOtherItems {
8502 save_intent: None,
8503 close_pinned: false,
8504 },
8505 None,
8506 window,
8507 cx,
8508 )
8509 })
8510 .await
8511 .unwrap();
8512
8513 pane.update_in(cx, |pane, window, cx| {
8514 pane.close_all_items(
8515 &CloseAllItems {
8516 save_intent: None,
8517 close_pinned: false,
8518 },
8519 window,
8520 cx,
8521 )
8522 })
8523 .await
8524 .unwrap();
8525
8526 pane.update_in(cx, |pane, window, cx| {
8527 pane.close_clean_items(
8528 &CloseCleanItems {
8529 close_pinned: false,
8530 },
8531 window,
8532 cx,
8533 )
8534 })
8535 .await
8536 .unwrap();
8537
8538 pane.update_in(cx, |pane, window, cx| {
8539 pane.close_items_to_the_right_by_id(
8540 None,
8541 &CloseItemsToTheRight {
8542 close_pinned: false,
8543 },
8544 window,
8545 cx,
8546 )
8547 })
8548 .await
8549 .unwrap();
8550
8551 pane.update_in(cx, |pane, window, cx| {
8552 pane.close_items_to_the_left_by_id(
8553 None,
8554 &CloseItemsToTheLeft {
8555 close_pinned: false,
8556 },
8557 window,
8558 cx,
8559 )
8560 })
8561 .await
8562 .unwrap();
8563 }
8564
8565 #[gpui::test]
8566 async fn test_item_swapping_actions(cx: &mut TestAppContext) {
8567 init_test(cx);
8568 let fs = FakeFs::new(cx.executor());
8569 let project = Project::test(fs, None, cx).await;
8570 let (workspace, cx) =
8571 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
8572
8573 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8574 assert_item_labels(&pane, [], cx);
8575
8576 // Test that these actions do not panic
8577 pane.update_in(cx, |pane, window, cx| {
8578 pane.swap_item_right(&Default::default(), window, cx);
8579 });
8580
8581 pane.update_in(cx, |pane, window, cx| {
8582 pane.swap_item_left(&Default::default(), window, cx);
8583 });
8584
8585 add_labeled_item(&pane, "A", false, cx);
8586 add_labeled_item(&pane, "B", false, cx);
8587 add_labeled_item(&pane, "C", false, cx);
8588 assert_item_labels(&pane, ["A", "B", "C*"], cx);
8589
8590 pane.update_in(cx, |pane, window, cx| {
8591 pane.swap_item_right(&Default::default(), window, cx);
8592 });
8593 assert_item_labels(&pane, ["A", "B", "C*"], cx);
8594
8595 pane.update_in(cx, |pane, window, cx| {
8596 pane.swap_item_left(&Default::default(), window, cx);
8597 });
8598 assert_item_labels(&pane, ["A", "C*", "B"], cx);
8599
8600 pane.update_in(cx, |pane, window, cx| {
8601 pane.swap_item_left(&Default::default(), window, cx);
8602 });
8603 assert_item_labels(&pane, ["C*", "A", "B"], cx);
8604
8605 pane.update_in(cx, |pane, window, cx| {
8606 pane.swap_item_left(&Default::default(), window, cx);
8607 });
8608 assert_item_labels(&pane, ["C*", "A", "B"], cx);
8609
8610 pane.update_in(cx, |pane, window, cx| {
8611 pane.swap_item_right(&Default::default(), window, cx);
8612 });
8613 assert_item_labels(&pane, ["A", "C*", "B"], cx);
8614 }
8615
8616 #[gpui::test]
8617 async fn test_split_empty(cx: &mut TestAppContext) {
8618 for split_direction in SplitDirection::all() {
8619 test_single_pane_split(["A"], split_direction, SplitMode::EmptyPane, cx).await;
8620 }
8621 }
8622
8623 #[gpui::test]
8624 async fn test_split_clone(cx: &mut TestAppContext) {
8625 for split_direction in SplitDirection::all() {
8626 test_single_pane_split(["A"], split_direction, SplitMode::ClonePane, cx).await;
8627 }
8628 }
8629
8630 #[gpui::test]
8631 async fn test_split_move_right_on_single_pane(cx: &mut TestAppContext) {
8632 test_single_pane_split(["A"], SplitDirection::Right, SplitMode::MovePane, cx).await;
8633 }
8634
8635 #[gpui::test]
8636 async fn test_split_move(cx: &mut TestAppContext) {
8637 for split_direction in SplitDirection::all() {
8638 test_single_pane_split(["A", "B"], split_direction, SplitMode::MovePane, cx).await;
8639 }
8640 }
8641
8642 #[gpui::test]
8643 async fn test_reopening_closed_item_after_unpreview(cx: &mut TestAppContext) {
8644 init_test(cx);
8645
8646 cx.update_global::<SettingsStore, ()>(|store, cx| {
8647 store.update_user_settings(cx, |settings| {
8648 settings.preview_tabs.get_or_insert_default().enabled = Some(true);
8649 });
8650 });
8651
8652 let fs = FakeFs::new(cx.executor());
8653 let project = Project::test(fs, None, cx).await;
8654 let (workspace, cx) =
8655 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
8656 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8657
8658 // Add an item as preview
8659 let item = pane.update_in(cx, |pane, window, cx| {
8660 let item = Box::new(cx.new(|cx| TestItem::new(cx).with_label("A")));
8661 pane.add_item(item.clone(), true, true, None, window, cx);
8662 pane.set_preview_item_id(Some(item.item_id()), cx);
8663 item
8664 });
8665
8666 // Verify item is preview
8667 pane.read_with(cx, |pane, _| {
8668 assert_eq!(pane.preview_item_id(), Some(item.item_id()));
8669 });
8670
8671 // Unpreview the item
8672 pane.update_in(cx, |pane, _window, _cx| {
8673 pane.unpreview_item_if_preview(item.item_id());
8674 });
8675
8676 // Verify item is no longer preview
8677 pane.read_with(cx, |pane, _| {
8678 assert_eq!(pane.preview_item_id(), None);
8679 });
8680
8681 // Close the item
8682 pane.update_in(cx, |pane, window, cx| {
8683 pane.close_item_by_id(item.item_id(), SaveIntent::Skip, window, cx)
8684 .detach_and_log_err(cx);
8685 });
8686
8687 cx.run_until_parked();
8688
8689 // The item should be in the closed_stack and reopenable
8690 let has_closed_items = pane.read_with(cx, |pane, _| {
8691 !pane.nav_history.0.lock().closed_stack.is_empty()
8692 });
8693 assert!(
8694 has_closed_items,
8695 "closed item should be in closed_stack and reopenable"
8696 );
8697 }
8698
8699 #[gpui::test]
8700 async fn test_activate_item_with_wrap_around(cx: &mut TestAppContext) {
8701 init_test(cx);
8702 let fs = FakeFs::new(cx.executor());
8703 let project = Project::test(fs, None, cx).await;
8704 let (workspace, cx) =
8705 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
8706 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8707
8708 add_labeled_item(&pane, "A", false, cx);
8709 add_labeled_item(&pane, "B", false, cx);
8710 add_labeled_item(&pane, "C", false, cx);
8711 assert_item_labels(&pane, ["A", "B", "C*"], cx);
8712
8713 pane.update_in(cx, |pane, window, cx| {
8714 pane.activate_next_item(&ActivateNextItem { wrap_around: false }, window, cx);
8715 });
8716 assert_item_labels(&pane, ["A", "B", "C*"], cx);
8717
8718 pane.update_in(cx, |pane, window, cx| {
8719 pane.activate_next_item(&ActivateNextItem::default(), window, cx);
8720 });
8721 assert_item_labels(&pane, ["A*", "B", "C"], cx);
8722
8723 pane.update_in(cx, |pane, window, cx| {
8724 pane.activate_previous_item(&ActivatePreviousItem { wrap_around: false }, window, cx);
8725 });
8726 assert_item_labels(&pane, ["A*", "B", "C"], cx);
8727
8728 pane.update_in(cx, |pane, window, cx| {
8729 pane.activate_previous_item(&ActivatePreviousItem::default(), window, cx);
8730 });
8731 assert_item_labels(&pane, ["A", "B", "C*"], cx);
8732
8733 pane.update_in(cx, |pane, window, cx| {
8734 pane.activate_previous_item(&ActivatePreviousItem { wrap_around: false }, window, cx);
8735 });
8736 assert_item_labels(&pane, ["A", "B*", "C"], cx);
8737
8738 pane.update_in(cx, |pane, window, cx| {
8739 pane.activate_next_item(&ActivateNextItem { wrap_around: false }, window, cx);
8740 });
8741 assert_item_labels(&pane, ["A", "B", "C*"], cx);
8742 }
8743
8744 fn init_test(cx: &mut TestAppContext) {
8745 cx.update(|cx| {
8746 let settings_store = SettingsStore::test(cx);
8747 cx.set_global(settings_store);
8748 theme_settings::init(LoadThemes::JustBase, cx);
8749 });
8750 }
8751
8752 fn set_max_tabs(cx: &mut TestAppContext, value: Option<usize>) {
8753 cx.update_global(|store: &mut SettingsStore, cx| {
8754 store.update_user_settings(cx, |settings| {
8755 settings.workspace.max_tabs = value.map(|v| NonZero::new(v).unwrap())
8756 });
8757 });
8758 }
8759
8760 fn set_pinned_tabs_separate_row(cx: &mut TestAppContext, enabled: bool) {
8761 cx.update_global(|store: &mut SettingsStore, cx| {
8762 store.update_user_settings(cx, |settings| {
8763 settings
8764 .tab_bar
8765 .get_or_insert_default()
8766 .show_pinned_tabs_in_separate_row = Some(enabled);
8767 });
8768 });
8769 }
8770
8771 fn add_labeled_item(
8772 pane: &Entity<Pane>,
8773 label: &str,
8774 is_dirty: bool,
8775 cx: &mut VisualTestContext,
8776 ) -> Box<Entity<TestItem>> {
8777 pane.update_in(cx, |pane, window, cx| {
8778 let labeled_item =
8779 Box::new(cx.new(|cx| TestItem::new(cx).with_label(label).with_dirty(is_dirty)));
8780 pane.add_item(labeled_item.clone(), false, false, None, window, cx);
8781 labeled_item
8782 })
8783 }
8784
8785 fn set_labeled_items<const COUNT: usize>(
8786 pane: &Entity<Pane>,
8787 labels: [&str; COUNT],
8788 cx: &mut VisualTestContext,
8789 ) -> [Box<Entity<TestItem>>; COUNT] {
8790 pane.update_in(cx, |pane, window, cx| {
8791 pane.items.clear();
8792 let mut active_item_index = 0;
8793
8794 let mut index = 0;
8795 let items = labels.map(|mut label| {
8796 if label.ends_with('*') {
8797 label = label.trim_end_matches('*');
8798 active_item_index = index;
8799 }
8800
8801 let labeled_item = Box::new(cx.new(|cx| TestItem::new(cx).with_label(label)));
8802 pane.add_item(labeled_item.clone(), false, false, None, window, cx);
8803 index += 1;
8804 labeled_item
8805 });
8806
8807 pane.activate_item(active_item_index, false, false, window, cx);
8808
8809 items
8810 })
8811 }
8812
8813 // Assert the item label, with the active item label suffixed with a '*'
8814 #[track_caller]
8815 fn assert_item_labels<const COUNT: usize>(
8816 pane: &Entity<Pane>,
8817 expected_states: [&str; COUNT],
8818 cx: &mut VisualTestContext,
8819 ) {
8820 let actual_states = pane.update(cx, |pane, cx| {
8821 pane.items
8822 .iter()
8823 .enumerate()
8824 .map(|(ix, item)| {
8825 let mut state = item
8826 .to_any_view()
8827 .downcast::<TestItem>()
8828 .unwrap()
8829 .read(cx)
8830 .label
8831 .clone();
8832 if ix == pane.active_item_index {
8833 state.push('*');
8834 }
8835 if item.is_dirty(cx) {
8836 state.push('^');
8837 }
8838 if pane.is_tab_pinned(ix) {
8839 state.push('!');
8840 }
8841 state
8842 })
8843 .collect::<Vec<_>>()
8844 });
8845 assert_eq!(
8846 actual_states, expected_states,
8847 "pane items do not match expectation"
8848 );
8849 }
8850
8851 // Assert the item label, with the active item label expected active index
8852 #[track_caller]
8853 fn assert_item_labels_active_index(
8854 pane: &Entity<Pane>,
8855 expected_states: &[&str],
8856 expected_active_idx: usize,
8857 cx: &mut VisualTestContext,
8858 ) {
8859 let actual_states = pane.update(cx, |pane, cx| {
8860 pane.items
8861 .iter()
8862 .enumerate()
8863 .map(|(ix, item)| {
8864 let mut state = item
8865 .to_any_view()
8866 .downcast::<TestItem>()
8867 .unwrap()
8868 .read(cx)
8869 .label
8870 .clone();
8871 if ix == pane.active_item_index {
8872 assert_eq!(ix, expected_active_idx);
8873 }
8874 if item.is_dirty(cx) {
8875 state.push('^');
8876 }
8877 if pane.is_tab_pinned(ix) {
8878 state.push('!');
8879 }
8880 state
8881 })
8882 .collect::<Vec<_>>()
8883 });
8884 assert_eq!(
8885 actual_states, expected_states,
8886 "pane items do not match expectation"
8887 );
8888 }
8889
8890 #[track_caller]
8891 fn assert_pane_ids_on_axis<const COUNT: usize>(
8892 workspace: &Entity<Workspace>,
8893 expected_ids: [&EntityId; COUNT],
8894 expected_axis: Axis,
8895 cx: &mut VisualTestContext,
8896 ) {
8897 workspace.read_with(cx, |workspace, _| match &workspace.center.root {
8898 Member::Axis(axis) => {
8899 assert_eq!(axis.axis, expected_axis);
8900 assert_eq!(axis.members.len(), expected_ids.len());
8901 assert!(
8902 zip(expected_ids, &axis.members).all(|(e, a)| {
8903 if let Member::Pane(p) = a {
8904 p.entity_id() == *e
8905 } else {
8906 false
8907 }
8908 }),
8909 "pane ids do not match expectation: {expected_ids:?} != {actual_ids:?}",
8910 actual_ids = axis.members
8911 );
8912 }
8913 Member::Pane(_) => panic!("expected axis"),
8914 });
8915 }
8916
8917 async fn test_single_pane_split<const COUNT: usize>(
8918 pane_labels: [&str; COUNT],
8919 direction: SplitDirection,
8920 operation: SplitMode,
8921 cx: &mut TestAppContext,
8922 ) {
8923 init_test(cx);
8924 let fs = FakeFs::new(cx.executor());
8925 let project = Project::test(fs, None, cx).await;
8926 let (workspace, cx) =
8927 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
8928
8929 let mut pane_before =
8930 workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8931 for label in pane_labels {
8932 add_labeled_item(&pane_before, label, false, cx);
8933 }
8934 pane_before.update_in(cx, |pane, window, cx| {
8935 pane.split(direction, operation, window, cx)
8936 });
8937 cx.executor().run_until_parked();
8938 let pane_after = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8939
8940 let num_labels = pane_labels.len();
8941 let last_as_active = format!("{}*", String::from(pane_labels[num_labels - 1]));
8942
8943 // check labels for all split operations
8944 match operation {
8945 SplitMode::EmptyPane => {
8946 assert_item_labels_active_index(&pane_before, &pane_labels, num_labels - 1, cx);
8947 assert_item_labels(&pane_after, [], cx);
8948 }
8949 SplitMode::ClonePane => {
8950 assert_item_labels_active_index(&pane_before, &pane_labels, num_labels - 1, cx);
8951 assert_item_labels(&pane_after, [&last_as_active], cx);
8952 }
8953 SplitMode::MovePane => {
8954 let head = &pane_labels[..(num_labels - 1)];
8955 if num_labels == 1 {
8956 // We special-case this behavior and actually execute an empty pane command
8957 // followed by a refocus of the old pane for this case.
8958 pane_before = workspace.read_with(cx, |workspace, _cx| {
8959 workspace
8960 .panes()
8961 .into_iter()
8962 .find(|pane| *pane != &pane_after)
8963 .unwrap()
8964 .clone()
8965 });
8966 };
8967
8968 assert_item_labels_active_index(
8969 &pane_before,
8970 &head,
8971 head.len().saturating_sub(1),
8972 cx,
8973 );
8974 assert_item_labels(&pane_after, [&last_as_active], cx);
8975 pane_after.update_in(cx, |pane, window, cx| {
8976 window.focused(cx).is_some_and(|focus_handle| {
8977 focus_handle == pane.active_item().unwrap().item_focus_handle(cx)
8978 })
8979 });
8980 }
8981 }
8982
8983 // expected axis depends on split direction
8984 let expected_axis = match direction {
8985 SplitDirection::Right | SplitDirection::Left => Axis::Horizontal,
8986 SplitDirection::Up | SplitDirection::Down => Axis::Vertical,
8987 };
8988
8989 // expected ids depends on split direction
8990 let expected_ids = match direction {
8991 SplitDirection::Right | SplitDirection::Down => {
8992 [&pane_before.entity_id(), &pane_after.entity_id()]
8993 }
8994 SplitDirection::Left | SplitDirection::Up => {
8995 [&pane_after.entity_id(), &pane_before.entity_id()]
8996 }
8997 };
8998
8999 // check pane axes for all operations
9000 match operation {
9001 SplitMode::EmptyPane | SplitMode::ClonePane => {
9002 assert_pane_ids_on_axis(&workspace, expected_ids, expected_axis, cx);
9003 }
9004 SplitMode::MovePane => {
9005 assert_pane_ids_on_axis(&workspace, expected_ids, expected_axis, cx);
9006 }
9007 }
9008 }
9009
9010 mod property_test {
9011 use super::*;
9012 use proptest::prelude::*;
9013 use serde_json::json;
9014 use std::{collections::HashSet, sync::Arc};
9015 use util::{
9016 path,
9017 rel_path::{RelPath, rel_path},
9018 };
9019
9020 struct TestFileItem {
9021 project_path: ProjectPath,
9022 }
9023
9024 impl project::ProjectItem for TestFileItem {
9025 fn try_open(
9026 _project: &Entity<Project>,
9027 path: &ProjectPath,
9028 cx: &mut App,
9029 ) -> Option<Task<anyhow::Result<Entity<Self>>>> {
9030 let project_path = path.clone();
9031 Some(cx.spawn(async move |cx| Ok(cx.new(|_| Self { project_path }))))
9032 }
9033
9034 fn entry_id(&self, _: &App) -> Option<ProjectEntryId> {
9035 None
9036 }
9037
9038 fn project_path(&self, _: &App) -> Option<ProjectPath> {
9039 Some(self.project_path.clone())
9040 }
9041
9042 fn is_dirty(&self) -> bool {
9043 false
9044 }
9045 }
9046
9047 struct TestItemView {
9048 focus_handle: FocusHandle,
9049 project_item: Entity<TestFileItem>,
9050 nav_history: Option<ItemNavHistory>,
9051 }
9052
9053 impl EventEmitter<()> for TestItemView {}
9054
9055 impl Focusable for TestItemView {
9056 fn focus_handle(&self, _cx: &App) -> FocusHandle {
9057 self.focus_handle.clone()
9058 }
9059 }
9060
9061 impl Render for TestItemView {
9062 fn render(
9063 &mut self,
9064 _window: &mut Window,
9065 _cx: &mut Context<Self>,
9066 ) -> impl IntoElement {
9067 gpui::Empty
9068 }
9069 }
9070
9071 impl Item for TestItemView {
9072 type Event = ();
9073
9074 fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
9075 "".into()
9076 }
9077
9078 fn for_each_project_item(
9079 &self,
9080 cx: &App,
9081 f: &mut dyn FnMut(EntityId, &dyn project::ProjectItem),
9082 ) {
9083 f(self.project_item.entity_id(), self.project_item.read(cx))
9084 }
9085
9086 fn buffer_kind(&self, _: &App) -> ItemBufferKind {
9087 ItemBufferKind::Singleton
9088 }
9089
9090 fn set_nav_history(
9091 &mut self,
9092 history: ItemNavHistory,
9093 _window: &mut Window,
9094 _: &mut Context<Self>,
9095 ) {
9096 self.nav_history = Some(history);
9097 }
9098
9099 fn deactivated(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
9100 if let Some(nav_history) = self.nav_history.as_mut() {
9101 nav_history.push::<()>(None, None, cx);
9102 }
9103 }
9104 }
9105
9106 impl crate::ProjectItem for TestItemView {
9107 type Item = TestFileItem;
9108
9109 fn for_project_item(
9110 _project: Entity<Project>,
9111 _pane: Option<&Pane>,
9112 item: Entity<Self::Item>,
9113 _: &mut Window,
9114 cx: &mut Context<Self>,
9115 ) -> Self
9116 where
9117 Self: Sized,
9118 {
9119 Self {
9120 focus_handle: cx.focus_handle(),
9121 project_item: item,
9122 nav_history: None,
9123 }
9124 }
9125 }
9126
9127 fn arbitrary_path() -> impl Strategy<Value = Arc<RelPath>> {
9128 prop_oneof![
9129 Just(rel_path("1.txt").into()),
9130 Just(rel_path("2.js").into()),
9131 Just(rel_path("3.rs").into()),
9132 ]
9133 }
9134
9135 #[derive(Debug, Clone, proptest_derive::Arbitrary)]
9136 enum Operation {
9137 Open {
9138 #[proptest(strategy = "arbitrary_path()")]
9139 path: Arc<RelPath>,
9140 allow_preview: bool,
9141 },
9142 GoBack,
9143 GoForward,
9144 }
9145
9146 struct Oracle {
9147 /// The active item's path, if known.
9148 current: Option<Arc<RelPath>>,
9149 /// The path that the back button would navigate to, if known.
9150 previous: Option<Arc<RelPath>>,
9151 /// The path that the forward button would navigate to, if known.
9152 next: Option<Arc<RelPath>>,
9153 }
9154
9155 impl Oracle {
9156 fn new() -> Self {
9157 Self {
9158 current: None,
9159 previous: None,
9160 next: None,
9161 }
9162 }
9163
9164 fn apply(&mut self, operation: Operation) {
9165 match operation {
9166 Operation::Open { path, .. } => {
9167 if self.current.as_ref() != Some(&path) {
9168 self.previous = self.current.replace(path);
9169 self.next = None;
9170 }
9171 }
9172 Operation::GoBack => {
9173 if let Some(previous) = self.previous.take() {
9174 self.next = self.current.replace(previous);
9175 } else {
9176 // `previous` isn't set, so backward navigation may not have been
9177 // possible, hence we don't know which item a following forward
9178 // navigation will lead to
9179 self.next = None;
9180 self.current = None;
9181 }
9182 }
9183 Operation::GoForward => {
9184 if let Some(next) = self.next.take() {
9185 self.previous = self.current.replace(next);
9186 } else {
9187 self.previous = None;
9188 self.current = None;
9189 }
9190 }
9191 }
9192 }
9193 }
9194
9195 struct PaneHarness {
9196 cx: VisualTestContext,
9197 workspace: Entity<Workspace>,
9198 pane: Entity<Pane>,
9199 worktree_id: WorktreeId,
9200 }
9201
9202 impl PaneHarness {
9203 async fn new(cx: &mut TestAppContext) -> Self {
9204 init_test(cx);
9205 cx.update(|cx| crate::register_project_item::<TestItemView>(cx));
9206
9207 let fs = FakeFs::new(cx.executor());
9208 fs.insert_tree(
9209 path!("/root"),
9210 json!({
9211 "1.txt": "one",
9212 "2.js": "two",
9213 "3.rs": "three",
9214 }),
9215 )
9216 .await;
9217 let project = Project::test(fs, [path!("/root").as_ref()], cx).await;
9218 let worktree_id = project.update(cx, |project, cx| {
9219 project.worktrees(cx).next().unwrap().read(cx).id()
9220 });
9221 let window = cx.add_window(|window, cx| Workspace::test_new(project, window, cx));
9222 let workspace = window.root(cx).unwrap();
9223 let cx = VisualTestContext::from_window(*window, cx);
9224 let pane = workspace.read_with(&cx, |workspace, _| workspace.active_pane().clone());
9225
9226 Self {
9227 cx,
9228 workspace,
9229 pane,
9230 worktree_id,
9231 }
9232 }
9233
9234 async fn apply(&mut self, operation: Operation) {
9235 match operation {
9236 Operation::Open {
9237 path,
9238 allow_preview,
9239 } => {
9240 self.workspace
9241 .update_in(&mut self.cx, |workspace, window, cx| {
9242 workspace.open_path_preview(
9243 ProjectPath {
9244 worktree_id: self.worktree_id,
9245 path,
9246 },
9247 None,
9248 true,
9249 allow_preview,
9250 true,
9251 window,
9252 cx,
9253 )
9254 })
9255 .await
9256 .unwrap();
9257 }
9258 Operation::GoBack => {
9259 self.workspace
9260 .update_in(&mut self.cx, |workspace, window, cx| {
9261 workspace.go_back(self.pane.downgrade(), window, cx)
9262 })
9263 .await
9264 .unwrap();
9265 }
9266 Operation::GoForward => {
9267 self.workspace
9268 .update_in(&mut self.cx, |workspace, window, cx| {
9269 workspace.go_forward(self.pane.downgrade(), window, cx)
9270 })
9271 .await
9272 .unwrap();
9273 }
9274 }
9275 }
9276
9277 fn check_invariants(&self, expected_path: &Option<Arc<RelPath>>) {
9278 self.pane.read_with(&self.cx, |pane, cx| {
9279 let open_paths = pane
9280 .items()
9281 .map(|item| item.project_path(cx).unwrap())
9282 .collect::<Vec<_>>();
9283 let active_path = pane
9284 .active_item()
9285 .map(|item| item.project_path(cx).unwrap());
9286 let preview_path = pane
9287 .preview_item()
9288 .map(|item| item.project_path(cx).unwrap());
9289
9290 let unique_paths = open_paths.iter().collect::<HashSet<_>>();
9291 assert_eq!(
9292 unique_paths.len(),
9293 open_paths.len(),
9294 "pane should not contain duplicate open paths"
9295 );
9296
9297 assert_eq!(
9298 active_path.is_none(),
9299 open_paths.is_empty(),
9300 "pane should have an active item iff it has open paths"
9301 );
9302 assert!(
9303 active_path
9304 .as_ref()
9305 .is_none_or(|path| open_paths.contains(path)),
9306 "active path should be open"
9307 );
9308 assert!(
9309 preview_path
9310 .as_ref()
9311 .is_none_or(|path| open_paths.contains(path)),
9312 "preview path should be open"
9313 );
9314
9315 if let Some(expected_active_path) = expected_path {
9316 assert_eq!(
9317 &active_path.as_ref().unwrap().path,
9318 expected_active_path,
9319 "active path should match the oracle"
9320 );
9321 }
9322 });
9323 }
9324 }
9325
9326 #[gpui::property_test]
9327 async fn single_pane_navigation(
9328 #[strategy = proptest::collection::vec(any::<Operation>(), 1..32)] operations: Vec<
9329 Operation,
9330 >,
9331 cx: &mut TestAppContext,
9332 ) {
9333 let mut harness = PaneHarness::new(cx).await;
9334 let mut oracle = Oracle::new();
9335
9336 for operation in operations {
9337 oracle.apply(operation.clone());
9338 harness.apply(operation).await;
9339 harness.check_invariants(&oracle.current);
9340 }
9341 }
9342 }
9343}