1use crate::{
2 CloseWindow, NewFile, NewTerminal, OpenInTerminal, OpenOptions, OpenTerminal, OpenVisible,
3 SplitDirection, ToggleFileFinder, ToggleProjectSymbols, ToggleZoom, Workspace,
4 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, AnyElement, App, AsyncWindowContext, ClickEvent, ClipboardItem, Context, Corner, 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 without auto formatting
87 SaveWithoutFormat,
88 /// write any files that have local changes
89 /// prompt before overwriting on-disk changes
90 SaveAll,
91 /// always prompt for a new path
92 SaveAs,
93 /// prompt "you have unsaved changes" before writing
94 Close,
95 /// write all dirty files, don't prompt on conflict
96 Overwrite,
97 /// skip all save-related behavior
98 Skip,
99}
100
101/// Activates a specific item in the pane by its index.
102#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
103#[action(namespace = pane)]
104pub struct ActivateItem(pub usize);
105
106/// Closes the currently active item in the pane.
107#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
108#[action(namespace = pane)]
109#[serde(deny_unknown_fields)]
110pub struct CloseActiveItem {
111 #[serde(default)]
112 pub save_intent: Option<SaveIntent>,
113 #[serde(default)]
114 pub close_pinned: bool,
115}
116
117/// Closes all inactive items in the pane.
118#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
119#[action(namespace = pane)]
120#[serde(deny_unknown_fields)]
121#[action(deprecated_aliases = ["pane::CloseInactiveItems"])]
122pub struct CloseOtherItems {
123 #[serde(default)]
124 pub save_intent: Option<SaveIntent>,
125 #[serde(default)]
126 pub close_pinned: bool,
127}
128
129/// Closes all multibuffers in the pane.
130#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
131#[action(namespace = pane)]
132#[serde(deny_unknown_fields)]
133pub struct CloseMultibufferItems {
134 #[serde(default)]
135 pub save_intent: Option<SaveIntent>,
136 #[serde(default)]
137 pub close_pinned: bool,
138}
139
140/// Closes all items in the pane.
141#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
142#[action(namespace = pane)]
143#[serde(deny_unknown_fields)]
144pub struct CloseAllItems {
145 #[serde(default)]
146 pub save_intent: Option<SaveIntent>,
147 #[serde(default)]
148 pub close_pinned: bool,
149}
150
151/// Closes all items that have no unsaved changes.
152#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
153#[action(namespace = pane)]
154#[serde(deny_unknown_fields)]
155pub struct CloseCleanItems {
156 #[serde(default)]
157 pub close_pinned: bool,
158}
159
160/// Closes all items to the right of the current item.
161#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
162#[action(namespace = pane)]
163#[serde(deny_unknown_fields)]
164pub struct CloseItemsToTheRight {
165 #[serde(default)]
166 pub close_pinned: bool,
167}
168
169/// Closes all items to the left of the current item.
170#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
171#[action(namespace = pane)]
172#[serde(deny_unknown_fields)]
173pub struct CloseItemsToTheLeft {
174 #[serde(default)]
175 pub close_pinned: bool,
176}
177
178/// Reveals the current item in the project panel.
179#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
180#[action(namespace = pane)]
181#[serde(deny_unknown_fields)]
182pub struct RevealInProjectPanel {
183 #[serde(skip)]
184 pub entry_id: Option<u64>,
185}
186
187/// Opens the search interface with the specified configuration.
188#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
189#[action(namespace = pane)]
190#[serde(deny_unknown_fields)]
191pub struct DeploySearch {
192 #[serde(default)]
193 pub replace_enabled: bool,
194 #[serde(default)]
195 pub included_files: Option<String>,
196 #[serde(default)]
197 pub excluded_files: Option<String>,
198}
199
200#[derive(Clone, Copy, PartialEq, Debug, Deserialize, JsonSchema, Default)]
201#[serde(deny_unknown_fields)]
202pub enum SplitMode {
203 /// Clone the current pane.
204 #[default]
205 ClonePane,
206 /// Create an empty new pane.
207 EmptyPane,
208 /// Move the item into a new pane. This will map to nop if only one pane exists.
209 MovePane,
210}
211
212macro_rules! split_structs {
213 ($($name:ident => $doc:literal),* $(,)?) => {
214 $(
215 #[doc = $doc]
216 #[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Default, Action)]
217 #[action(namespace = pane)]
218 #[serde(deny_unknown_fields, default)]
219 pub struct $name {
220 pub mode: SplitMode,
221 }
222 )*
223 };
224}
225
226split_structs!(
227 SplitLeft => "Splits the pane to the left.",
228 SplitRight => "Splits the pane to the right.",
229 SplitUp => "Splits the pane upward.",
230 SplitDown => "Splits the pane downward.",
231 SplitHorizontal => "Splits the pane horizontally.",
232 SplitVertical => "Splits the pane vertically."
233);
234
235/// Activates the previous item in the pane.
236#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Action)]
237#[action(namespace = pane)]
238#[serde(deny_unknown_fields, default)]
239pub struct ActivatePreviousItem {
240 /// Whether to wrap from the first item to the last item.
241 #[serde(default = "default_true")]
242 pub wrap_around: bool,
243}
244
245impl Default for ActivatePreviousItem {
246 fn default() -> Self {
247 Self { wrap_around: true }
248 }
249}
250
251/// Activates the next item in the pane.
252#[derive(Clone, PartialEq, Debug, Deserialize, JsonSchema, Action)]
253#[action(namespace = pane)]
254#[serde(deny_unknown_fields, default)]
255pub struct ActivateNextItem {
256 /// Whether to wrap from the last item to the first item.
257 #[serde(default = "default_true")]
258 pub wrap_around: bool,
259}
260
261impl Default for ActivateNextItem {
262 fn default() -> Self {
263 Self { wrap_around: true }
264 }
265}
266
267actions!(
268 pane,
269 [
270 /// Activates the last item in the pane.
271 ActivateLastItem,
272 /// Switches to the alternate file.
273 AlternateFile,
274 /// Navigates back in history.
275 GoBack,
276 /// Navigates forward in history.
277 GoForward,
278 /// Navigates back in the tag stack.
279 GoToOlderTag,
280 /// Navigates forward in the tag stack.
281 GoToNewerTag,
282 /// Joins this pane into the next pane.
283 JoinIntoNext,
284 /// Joins all panes into one.
285 JoinAll,
286 /// Reopens the most recently closed item.
287 ReopenClosedItem,
288 /// Splits the pane to the left, moving the current item.
289 SplitAndMoveLeft,
290 /// Splits the pane upward, moving the current item.
291 SplitAndMoveUp,
292 /// Splits the pane to the right, moving the current item.
293 SplitAndMoveRight,
294 /// Splits the pane downward, moving the current item.
295 SplitAndMoveDown,
296 /// Swaps the current item with the one to the left.
297 SwapItemLeft,
298 /// Swaps the current item with the one to the right.
299 SwapItemRight,
300 /// Toggles preview mode for the current tab.
301 TogglePreviewTab,
302 /// Toggles pin status for the current tab.
303 TogglePinTab,
304 /// Unpins all tabs in the pane.
305 UnpinAllTabs,
306 ]
307);
308
309impl DeploySearch {
310 pub fn find() -> Self {
311 Self {
312 replace_enabled: false,
313 included_files: None,
314 excluded_files: None,
315 }
316 }
317}
318
319const MAX_NAVIGATION_HISTORY_LEN: usize = 1024;
320
321pub enum Event {
322 AddItem {
323 item: Box<dyn ItemHandle>,
324 },
325 ActivateItem {
326 local: bool,
327 focus_changed: bool,
328 },
329 Remove {
330 focus_on_pane: Option<Entity<Pane>>,
331 },
332 RemovedItem {
333 item: Box<dyn ItemHandle>,
334 },
335 Split {
336 direction: SplitDirection,
337 mode: SplitMode,
338 },
339 ItemPinned,
340 ItemUnpinned,
341 JoinAll,
342 JoinIntoNext,
343 ChangeItemTitle,
344 Focus,
345 ZoomIn,
346 ZoomOut,
347 UserSavedItem {
348 item: Box<dyn WeakItemHandle>,
349 save_intent: SaveIntent,
350 },
351}
352
353impl fmt::Debug for Event {
354 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
355 match self {
356 Event::AddItem { item } => f
357 .debug_struct("AddItem")
358 .field("item", &item.item_id())
359 .finish(),
360 Event::ActivateItem { local, .. } => f
361 .debug_struct("ActivateItem")
362 .field("local", local)
363 .finish(),
364 Event::Remove { .. } => f.write_str("Remove"),
365 Event::RemovedItem { item } => f
366 .debug_struct("RemovedItem")
367 .field("item", &item.item_id())
368 .finish(),
369 Event::Split { direction, mode } => f
370 .debug_struct("Split")
371 .field("direction", direction)
372 .field("mode", mode)
373 .finish(),
374 Event::JoinAll => f.write_str("JoinAll"),
375 Event::JoinIntoNext => f.write_str("JoinIntoNext"),
376 Event::ChangeItemTitle => f.write_str("ChangeItemTitle"),
377 Event::Focus => f.write_str("Focus"),
378 Event::ZoomIn => f.write_str("ZoomIn"),
379 Event::ZoomOut => f.write_str("ZoomOut"),
380 Event::UserSavedItem { item, save_intent } => f
381 .debug_struct("UserSavedItem")
382 .field("item", &item.id())
383 .field("save_intent", save_intent)
384 .finish(),
385 Event::ItemPinned => f.write_str("ItemPinned"),
386 Event::ItemUnpinned => f.write_str("ItemUnpinned"),
387 }
388 }
389}
390
391/// A container for 0 to many items that are open in the workspace.
392/// Treats all items uniformly via the [`ItemHandle`] trait, whether it's an editor, search results multibuffer, terminal or something else,
393/// responsible for managing item tabs, focus and zoom states and drag and drop features.
394/// Can be split, see `PaneGroup` for more details.
395pub struct Pane {
396 alternate_file_items: (
397 Option<Box<dyn WeakItemHandle>>,
398 Option<Box<dyn WeakItemHandle>>,
399 ),
400 focus_handle: FocusHandle,
401 items: Vec<Box<dyn ItemHandle>>,
402 activation_history: Vec<ActivationHistoryEntry>,
403 next_activation_timestamp: Arc<AtomicUsize>,
404 zoomed: bool,
405 was_focused: bool,
406 active_item_index: usize,
407 preview_item_id: Option<EntityId>,
408 last_focus_handle_by_item: HashMap<EntityId, WeakFocusHandle>,
409 nav_history: NavHistory,
410 toolbar: Entity<Toolbar>,
411 pub(crate) workspace: WeakEntity<Workspace>,
412 project: WeakEntity<Project>,
413 pub drag_split_direction: Option<SplitDirection>,
414 can_drop_predicate: Option<Arc<dyn Fn(&dyn Any, &mut Window, &mut App) -> bool>>,
415 can_split_predicate:
416 Option<Arc<dyn Fn(&mut Self, &dyn Any, &mut Window, &mut Context<Self>) -> bool>>,
417 can_toggle_zoom: bool,
418 should_display_tab_bar: Rc<dyn Fn(&Window, &mut Context<Pane>) -> bool>,
419 should_display_welcome_page: bool,
420 render_tab_bar_buttons: Rc<
421 dyn Fn(
422 &mut Pane,
423 &mut Window,
424 &mut Context<Pane>,
425 ) -> (Option<AnyElement>, Option<AnyElement>),
426 >,
427 render_tab_bar: Rc<dyn Fn(&mut Pane, &mut Window, &mut Context<Pane>) -> AnyElement>,
428 show_tab_bar_buttons: bool,
429 max_tabs: Option<NonZeroUsize>,
430 use_max_tabs: bool,
431 _subscriptions: Vec<Subscription>,
432 tab_bar_scroll_handle: ScrollHandle,
433 /// This is set to true if a user scroll has occurred more recently than a system scroll
434 /// We want to suppress certain system scrolls when the user has intentionally scrolled
435 suppress_scroll: bool,
436 /// Is None if navigation buttons are permanently turned off (and should not react to setting changes).
437 /// Otherwise, when `display_nav_history_buttons` is Some, it determines whether nav buttons should be displayed.
438 display_nav_history_buttons: Option<bool>,
439 double_click_dispatch_action: Box<dyn Action>,
440 save_modals_spawned: HashSet<EntityId>,
441 close_pane_if_empty: bool,
442 pub new_item_context_menu_handle: PopoverMenuHandle<ContextMenu>,
443 pub split_item_context_menu_handle: PopoverMenuHandle<ContextMenu>,
444 pinned_tab_count: usize,
445 diagnostics: HashMap<ProjectPath, DiagnosticSeverity>,
446 zoom_out_on_close: bool,
447 focus_follows_mouse: FocusFollowsMouse,
448 diagnostic_summary_update: Task<()>,
449 /// If a certain project item wants to get recreated with specific data, it can persist its data before the recreation here.
450 pub project_item_restoration_data: HashMap<ProjectItemKind, Box<dyn Any + Send>>,
451 welcome_page: Option<Entity<crate::welcome::WelcomePage>>,
452
453 pub in_center_group: bool,
454}
455
456pub struct ActivationHistoryEntry {
457 pub entity_id: EntityId,
458 pub timestamp: usize,
459}
460
461#[derive(Clone)]
462pub struct ItemNavHistory {
463 history: NavHistory,
464 item: Arc<dyn WeakItemHandle>,
465}
466
467#[derive(Clone)]
468pub struct NavHistory(Arc<Mutex<NavHistoryState>>);
469
470#[derive(Clone)]
471struct NavHistoryState {
472 mode: NavigationMode,
473 backward_stack: VecDeque<NavigationEntry>,
474 forward_stack: VecDeque<NavigationEntry>,
475 closed_stack: VecDeque<NavigationEntry>,
476 tag_stack: VecDeque<TagStackEntry>,
477 tag_stack_pos: usize,
478 paths_by_item: HashMap<EntityId, (ProjectPath, Option<PathBuf>)>,
479 pane: WeakEntity<Pane>,
480 next_timestamp: Arc<AtomicUsize>,
481 preview_item_id: Option<EntityId>,
482}
483
484#[derive(Debug, Default, Copy, Clone)]
485pub enum NavigationMode {
486 #[default]
487 Normal,
488 GoingBack,
489 GoingForward,
490 ClosingItem,
491 ReopeningClosedItem,
492 Disabled,
493}
494
495#[derive(Debug, Default, Copy, Clone)]
496pub enum TagNavigationMode {
497 #[default]
498 Older,
499 Newer,
500}
501
502#[derive(Clone)]
503pub struct NavigationEntry {
504 pub item: Arc<dyn WeakItemHandle + Send + Sync>,
505 pub data: Option<Arc<dyn Any + Send + Sync>>,
506 pub timestamp: usize,
507 pub is_preview: bool,
508 /// Row position for Neovim-style deduplication. When set, entries with the
509 /// same item and row are considered duplicates and deduplicated.
510 pub row: Option<u32>,
511}
512
513#[derive(Clone)]
514pub struct TagStackEntry {
515 pub origin: NavigationEntry,
516 pub target: NavigationEntry,
517}
518
519#[derive(Clone)]
520pub struct DraggedTab {
521 pub pane: Entity<Pane>,
522 pub item: Box<dyn ItemHandle>,
523 pub ix: usize,
524 pub detail: usize,
525 pub is_active: bool,
526}
527
528impl EventEmitter<Event> for Pane {}
529
530pub enum Side {
531 Left,
532 Right,
533}
534
535#[derive(Copy, Clone)]
536enum PinOperation {
537 Pin,
538 Unpin,
539}
540
541impl Pane {
542 pub fn new(
543 workspace: WeakEntity<Workspace>,
544 project: Entity<Project>,
545 next_timestamp: Arc<AtomicUsize>,
546 can_drop_predicate: Option<Arc<dyn Fn(&dyn Any, &mut Window, &mut App) -> bool + 'static>>,
547 double_click_dispatch_action: Box<dyn Action>,
548 use_max_tabs: bool,
549 window: &mut Window,
550 cx: &mut Context<Self>,
551 ) -> Self {
552 let focus_handle = cx.focus_handle();
553 let max_tabs = if use_max_tabs {
554 WorkspaceSettings::get_global(cx).max_tabs
555 } else {
556 None
557 };
558
559 let subscriptions = vec![
560 cx.on_focus(&focus_handle, window, Pane::focus_in),
561 cx.on_focus_in(&focus_handle, window, Pane::focus_in),
562 cx.on_focus_out(&focus_handle, window, Pane::focus_out),
563 cx.observe_global_in::<SettingsStore>(window, Self::settings_changed),
564 cx.subscribe(&project, Self::project_events),
565 ];
566
567 let handle = cx.entity().downgrade();
568
569 Self {
570 alternate_file_items: (None, None),
571 focus_handle,
572 items: Vec::new(),
573 activation_history: Vec::new(),
574 next_activation_timestamp: next_timestamp.clone(),
575 was_focused: false,
576 zoomed: false,
577 active_item_index: 0,
578 preview_item_id: None,
579 max_tabs,
580 use_max_tabs,
581 last_focus_handle_by_item: Default::default(),
582 nav_history: NavHistory(Arc::new(Mutex::new(NavHistoryState {
583 mode: NavigationMode::Normal,
584 backward_stack: Default::default(),
585 forward_stack: Default::default(),
586 closed_stack: Default::default(),
587 tag_stack: Default::default(),
588 tag_stack_pos: Default::default(),
589 paths_by_item: Default::default(),
590 pane: handle,
591 next_timestamp,
592 preview_item_id: None,
593 }))),
594 toolbar: cx.new(|_| Toolbar::new()),
595 tab_bar_scroll_handle: ScrollHandle::new(),
596 suppress_scroll: false,
597 drag_split_direction: None,
598 workspace,
599 project: project.downgrade(),
600 can_drop_predicate,
601 can_split_predicate: None,
602 can_toggle_zoom: true,
603 should_display_tab_bar: Rc::new(|_, cx| TabBarSettings::get_global(cx).show),
604 should_display_welcome_page: false,
605 render_tab_bar_buttons: Rc::new(default_render_tab_bar_buttons),
606 render_tab_bar: Rc::new(Self::render_tab_bar),
607 show_tab_bar_buttons: TabBarSettings::get_global(cx).show_tab_bar_buttons,
608 display_nav_history_buttons: Some(
609 TabBarSettings::get_global(cx).show_nav_history_buttons,
610 ),
611 _subscriptions: subscriptions,
612 double_click_dispatch_action,
613 save_modals_spawned: HashSet::default(),
614 close_pane_if_empty: true,
615 split_item_context_menu_handle: Default::default(),
616 new_item_context_menu_handle: Default::default(),
617 pinned_tab_count: 0,
618 diagnostics: Default::default(),
619 zoom_out_on_close: true,
620 focus_follows_mouse: WorkspaceSettings::get_global(cx).focus_follows_mouse,
621 diagnostic_summary_update: Task::ready(()),
622 project_item_restoration_data: HashMap::default(),
623 welcome_page: None,
624 in_center_group: false,
625 }
626 }
627
628 fn alternate_file(&mut self, _: &AlternateFile, window: &mut Window, cx: &mut Context<Pane>) {
629 let (_, alternative) = &self.alternate_file_items;
630 if let Some(alternative) = alternative {
631 let existing = self
632 .items()
633 .find_position(|item| item.item_id() == alternative.id());
634 if let Some((ix, _)) = existing {
635 self.activate_item(ix, true, true, window, cx);
636 } else if let Some(upgraded) = alternative.upgrade() {
637 self.add_item(upgraded, true, true, None, window, cx);
638 }
639 }
640 }
641
642 pub fn track_alternate_file_items(&mut self) {
643 if let Some(item) = self.active_item().map(|item| item.downgrade_item()) {
644 let (current, _) = &self.alternate_file_items;
645 match current {
646 Some(current) => {
647 if current.id() != item.id() {
648 self.alternate_file_items =
649 (Some(item), self.alternate_file_items.0.take());
650 }
651 }
652 None => {
653 self.alternate_file_items = (Some(item), None);
654 }
655 }
656 }
657 }
658
659 pub fn has_focus(&self, window: &Window, cx: &App) -> bool {
660 // We not only check whether our focus handle contains focus, but also
661 // whether the active item might have focus, because we might have just activated an item
662 // that hasn't rendered yet.
663 // Before the next render, we might transfer focus
664 // to the item, and `focus_handle.contains_focus` returns false because the `active_item`
665 // is not hooked up to us in the dispatch tree.
666 self.focus_handle.contains_focused(window, cx)
667 || self
668 .active_item()
669 .is_some_and(|item| item.item_focus_handle(cx).contains_focused(window, cx))
670 }
671
672 fn focus_in(&mut self, window: &mut Window, cx: &mut Context<Self>) {
673 if !self.was_focused {
674 self.was_focused = true;
675 self.update_history(self.active_item_index);
676 if !self.suppress_scroll && self.items.get(self.active_item_index).is_some() {
677 self.update_active_tab(self.active_item_index);
678 }
679 cx.emit(Event::Focus);
680 cx.notify();
681 }
682
683 self.toolbar.update(cx, |toolbar, cx| {
684 toolbar.focus_changed(true, window, cx);
685 });
686
687 if let Some(active_item) = self.active_item() {
688 if self.focus_handle.is_focused(window) {
689 // Schedule a redraw next frame, so that the focus changes below take effect
690 cx.on_next_frame(window, |_, _, cx| {
691 cx.notify();
692 });
693
694 // Pane was focused directly. We need to either focus a view inside the active item,
695 // or focus the active item itself
696 if let Some(weak_last_focus_handle) =
697 self.last_focus_handle_by_item.get(&active_item.item_id())
698 && let Some(focus_handle) = weak_last_focus_handle.upgrade()
699 {
700 focus_handle.focus(window, cx);
701 return;
702 }
703
704 active_item.item_focus_handle(cx).focus(window, cx);
705 } else if let Some(focused) = window.focused(cx)
706 && !self.context_menu_focused(window, cx)
707 {
708 self.last_focus_handle_by_item
709 .insert(active_item.item_id(), focused.downgrade());
710 }
711 } else if self.should_display_welcome_page
712 && let Some(welcome_page) = self.welcome_page.as_ref()
713 {
714 if self.focus_handle.is_focused(window) {
715 welcome_page.read(cx).focus_handle(cx).focus(window, cx);
716 }
717 }
718 }
719
720 pub fn context_menu_focused(&self, window: &mut Window, cx: &mut Context<Self>) -> bool {
721 self.new_item_context_menu_handle.is_focused(window, cx)
722 || self.split_item_context_menu_handle.is_focused(window, cx)
723 }
724
725 fn focus_out(&mut self, _event: FocusOutEvent, window: &mut Window, cx: &mut Context<Self>) {
726 self.was_focused = false;
727 self.toolbar.update(cx, |toolbar, cx| {
728 toolbar.focus_changed(false, window, cx);
729 });
730
731 cx.notify();
732 }
733
734 fn project_events(
735 &mut self,
736 _project: Entity<Project>,
737 event: &project::Event,
738 cx: &mut Context<Self>,
739 ) {
740 match event {
741 project::Event::DiskBasedDiagnosticsFinished { .. }
742 | project::Event::DiagnosticsUpdated { .. } => {
743 if ItemSettings::get_global(cx).show_diagnostics != ShowDiagnostics::Off {
744 self.diagnostic_summary_update = cx.spawn(async move |this, cx| {
745 cx.background_executor()
746 .timer(Duration::from_millis(30))
747 .await;
748 this.update(cx, |this, cx| {
749 this.update_diagnostics(cx);
750 cx.notify();
751 })
752 .log_err();
753 });
754 }
755 }
756 _ => {}
757 }
758 }
759
760 fn update_diagnostics(&mut self, cx: &mut Context<Self>) {
761 let Some(project) = self.project.upgrade() else {
762 return;
763 };
764 let show_diagnostics = ItemSettings::get_global(cx).show_diagnostics;
765 self.diagnostics = if show_diagnostics != ShowDiagnostics::Off {
766 project
767 .read(cx)
768 .diagnostic_summaries(false, cx)
769 .filter_map(|(project_path, _, diagnostic_summary)| {
770 if diagnostic_summary.error_count > 0 {
771 Some((project_path, DiagnosticSeverity::ERROR))
772 } else if diagnostic_summary.warning_count > 0
773 && show_diagnostics != ShowDiagnostics::Errors
774 {
775 Some((project_path, DiagnosticSeverity::WARNING))
776 } else {
777 None
778 }
779 })
780 .collect()
781 } else {
782 HashMap::default()
783 }
784 }
785
786 fn settings_changed(&mut self, window: &mut Window, cx: &mut Context<Self>) {
787 let tab_bar_settings = TabBarSettings::get_global(cx);
788
789 if let Some(display_nav_history_buttons) = self.display_nav_history_buttons.as_mut() {
790 *display_nav_history_buttons = tab_bar_settings.show_nav_history_buttons;
791 }
792
793 self.show_tab_bar_buttons = tab_bar_settings.show_tab_bar_buttons;
794
795 if !PreviewTabsSettings::get_global(cx).enabled {
796 self.preview_item_id = None;
797 self.nav_history.0.lock().preview_item_id = None;
798 }
799
800 let workspace_settings = WorkspaceSettings::get_global(cx);
801
802 self.focus_follows_mouse = workspace_settings.focus_follows_mouse;
803
804 let new_max_tabs = workspace_settings.max_tabs;
805
806 if self.use_max_tabs && new_max_tabs != self.max_tabs {
807 self.max_tabs = new_max_tabs;
808 self.close_items_on_settings_change(window, cx);
809 }
810
811 self.update_diagnostics(cx);
812 cx.notify();
813 }
814
815 pub fn active_item_index(&self) -> usize {
816 self.active_item_index
817 }
818
819 pub fn is_active_item_pinned(&self) -> bool {
820 self.is_tab_pinned(self.active_item_index)
821 }
822
823 pub fn activation_history(&self) -> &[ActivationHistoryEntry] {
824 &self.activation_history
825 }
826
827 pub fn set_should_display_tab_bar<F>(&mut self, should_display_tab_bar: F)
828 where
829 F: 'static + Fn(&Window, &mut Context<Pane>) -> bool,
830 {
831 self.should_display_tab_bar = Rc::new(should_display_tab_bar);
832 }
833
834 pub fn set_should_display_welcome_page(&mut self, should_display_welcome_page: bool) {
835 self.should_display_welcome_page = should_display_welcome_page;
836 }
837
838 pub fn set_can_split(
839 &mut self,
840 can_split_predicate: Option<
841 Arc<dyn Fn(&mut Self, &dyn Any, &mut Window, &mut Context<Self>) -> bool + 'static>,
842 >,
843 ) {
844 self.can_split_predicate = can_split_predicate;
845 }
846
847 pub fn set_can_toggle_zoom(&mut self, can_toggle_zoom: bool, cx: &mut Context<Self>) {
848 self.can_toggle_zoom = can_toggle_zoom;
849 cx.notify();
850 }
851
852 pub fn set_close_pane_if_empty(&mut self, close_pane_if_empty: bool, cx: &mut Context<Self>) {
853 self.close_pane_if_empty = close_pane_if_empty;
854 cx.notify();
855 }
856
857 pub fn set_can_navigate(&mut self, can_navigate: bool, cx: &mut Context<Self>) {
858 self.toolbar.update(cx, |toolbar, cx| {
859 toolbar.set_can_navigate(can_navigate, cx);
860 });
861 cx.notify();
862 }
863
864 pub fn set_render_tab_bar<F>(&mut self, cx: &mut Context<Self>, render: F)
865 where
866 F: 'static + Fn(&mut Pane, &mut Window, &mut Context<Pane>) -> AnyElement,
867 {
868 self.render_tab_bar = Rc::new(render);
869 cx.notify();
870 }
871
872 pub fn set_render_tab_bar_buttons<F>(&mut self, cx: &mut Context<Self>, render: F)
873 where
874 F: 'static
875 + Fn(
876 &mut Pane,
877 &mut Window,
878 &mut Context<Pane>,
879 ) -> (Option<AnyElement>, Option<AnyElement>),
880 {
881 self.render_tab_bar_buttons = Rc::new(render);
882 cx.notify();
883 }
884
885 pub fn nav_history_for_item<T: Item>(&self, item: &Entity<T>) -> ItemNavHistory {
886 ItemNavHistory {
887 history: self.nav_history.clone(),
888 item: Arc::new(item.downgrade()),
889 }
890 }
891
892 pub fn nav_history(&self) -> &NavHistory {
893 &self.nav_history
894 }
895
896 pub fn nav_history_mut(&mut self) -> &mut NavHistory {
897 &mut self.nav_history
898 }
899
900 pub fn fork_nav_history(&self) -> NavHistory {
901 let history = self.nav_history.0.lock().clone();
902 NavHistory(Arc::new(Mutex::new(history)))
903 }
904
905 pub fn set_nav_history(&mut self, history: NavHistory, cx: &Context<Self>) {
906 self.nav_history = history;
907 self.nav_history().0.lock().pane = cx.entity().downgrade();
908 }
909
910 pub fn disable_history(&mut self) {
911 self.nav_history.disable();
912 }
913
914 pub fn enable_history(&mut self) {
915 self.nav_history.enable();
916 }
917
918 pub fn can_navigate_backward(&self) -> bool {
919 !self.nav_history.0.lock().backward_stack.is_empty()
920 }
921
922 pub fn can_navigate_forward(&self) -> bool {
923 !self.nav_history.0.lock().forward_stack.is_empty()
924 }
925
926 pub fn navigate_backward(&mut self, _: &GoBack, window: &mut Window, cx: &mut Context<Self>) {
927 if let Some(workspace) = self.workspace.upgrade() {
928 let pane = cx.entity().downgrade();
929 window.defer(cx, move |window, cx| {
930 workspace.update(cx, |workspace, cx| {
931 workspace.go_back(pane, window, cx).detach_and_log_err(cx)
932 })
933 })
934 }
935 }
936
937 fn navigate_forward(&mut self, _: &GoForward, window: &mut Window, cx: &mut Context<Self>) {
938 if let Some(workspace) = self.workspace.upgrade() {
939 let pane = cx.entity().downgrade();
940 window.defer(cx, move |window, cx| {
941 workspace.update(cx, |workspace, cx| {
942 workspace
943 .go_forward(pane, window, cx)
944 .detach_and_log_err(cx)
945 })
946 })
947 }
948 }
949
950 pub fn go_to_older_tag(
951 &mut self,
952 _: &GoToOlderTag,
953 window: &mut Window,
954 cx: &mut Context<Self>,
955 ) {
956 if let Some(workspace) = self.workspace.upgrade() {
957 let pane = cx.entity().downgrade();
958 window.defer(cx, move |window, cx| {
959 workspace.update(cx, |workspace, cx| {
960 workspace
961 .navigate_tag_history(pane, TagNavigationMode::Older, window, cx)
962 .detach_and_log_err(cx)
963 })
964 })
965 }
966 }
967
968 pub fn go_to_newer_tag(
969 &mut self,
970 _: &GoToNewerTag,
971 window: &mut Window,
972 cx: &mut Context<Self>,
973 ) {
974 if let Some(workspace) = self.workspace.upgrade() {
975 let pane = cx.entity().downgrade();
976 window.defer(cx, move |window, cx| {
977 workspace.update(cx, |workspace, cx| {
978 workspace
979 .navigate_tag_history(pane, TagNavigationMode::Newer, window, cx)
980 .detach_and_log_err(cx)
981 })
982 })
983 }
984 }
985
986 fn history_updated(&mut self, cx: &mut Context<Self>) {
987 self.toolbar.update(cx, |_, cx| cx.notify());
988 }
989
990 pub fn preview_item_id(&self) -> Option<EntityId> {
991 self.preview_item_id
992 }
993
994 pub fn preview_item(&self) -> Option<Box<dyn ItemHandle>> {
995 self.preview_item_id
996 .and_then(|id| self.items.iter().find(|item| item.item_id() == id))
997 .cloned()
998 }
999
1000 pub fn preview_item_idx(&self) -> Option<usize> {
1001 if let Some(preview_item_id) = self.preview_item_id {
1002 self.items
1003 .iter()
1004 .position(|item| item.item_id() == preview_item_id)
1005 } else {
1006 None
1007 }
1008 }
1009
1010 pub fn is_active_preview_item(&self, item_id: EntityId) -> bool {
1011 self.preview_item_id == Some(item_id)
1012 }
1013
1014 /// Promotes the item with the given ID to not be a preview item.
1015 /// This does nothing if it wasn't already a preview item.
1016 pub fn unpreview_item_if_preview(&mut self, item_id: EntityId) {
1017 if self.is_active_preview_item(item_id) {
1018 self.preview_item_id = None;
1019 self.nav_history.0.lock().preview_item_id = None;
1020 }
1021 }
1022
1023 /// Marks the item with the given ID as the preview item.
1024 /// This will be ignored if the global setting `preview_tabs` is disabled.
1025 ///
1026 /// The old preview item (if there was one) is closed and its index is returned.
1027 pub fn replace_preview_item_id(
1028 &mut self,
1029 item_id: EntityId,
1030 window: &mut Window,
1031 cx: &mut Context<Self>,
1032 ) -> Option<usize> {
1033 let idx = self.close_current_preview_item(window, cx);
1034 self.set_preview_item_id(Some(item_id), cx);
1035 idx
1036 }
1037
1038 /// Marks the item with the given ID as the preview item.
1039 /// This will be ignored if the global setting `preview_tabs` is disabled.
1040 ///
1041 /// This is a low-level method. Prefer `unpreview_item_if_preview()` or `set_new_preview_item()`.
1042 pub(crate) fn set_preview_item_id(&mut self, item_id: Option<EntityId>, cx: &App) {
1043 if item_id.is_none() || PreviewTabsSettings::get_global(cx).enabled {
1044 self.preview_item_id = item_id;
1045 self.nav_history.0.lock().preview_item_id = item_id;
1046 }
1047 }
1048
1049 /// Should only be used when deserializing a pane.
1050 pub fn set_pinned_count(&mut self, count: usize) {
1051 self.pinned_tab_count = count;
1052 }
1053
1054 pub fn pinned_count(&self) -> usize {
1055 self.pinned_tab_count
1056 }
1057
1058 pub fn handle_item_edit(&mut self, item_id: EntityId, cx: &App) {
1059 if let Some(preview_item) = self.preview_item()
1060 && preview_item.item_id() == item_id
1061 && !preview_item.preserve_preview(cx)
1062 {
1063 self.unpreview_item_if_preview(item_id);
1064 }
1065 }
1066
1067 pub(crate) fn open_item(
1068 &mut self,
1069 project_entry_id: Option<ProjectEntryId>,
1070 project_path: ProjectPath,
1071 focus_item: bool,
1072 allow_preview: bool,
1073 activate: bool,
1074 suggested_position: Option<usize>,
1075 window: &mut Window,
1076 cx: &mut Context<Self>,
1077 build_item: WorkspaceItemBuilder,
1078 ) -> Box<dyn ItemHandle> {
1079 let mut existing_item = None;
1080 if let Some(project_entry_id) = project_entry_id {
1081 for (index, item) in self.items.iter().enumerate() {
1082 if item.buffer_kind(cx) == ItemBufferKind::Singleton
1083 && item.project_entry_ids(cx).as_slice() == [project_entry_id]
1084 {
1085 let item = item.boxed_clone();
1086 existing_item = Some((index, item));
1087 break;
1088 }
1089 }
1090 } else {
1091 for (index, item) in self.items.iter().enumerate() {
1092 if item.buffer_kind(cx) == ItemBufferKind::Singleton
1093 && item.project_path(cx).as_ref() == Some(&project_path)
1094 {
1095 let item = item.boxed_clone();
1096 existing_item = Some((index, item));
1097 break;
1098 }
1099 }
1100 }
1101
1102 let set_up_existing_item =
1103 |index: usize, pane: &mut Self, window: &mut Window, cx: &mut Context<Self>| {
1104 if !allow_preview && let Some(item) = pane.items.get(index) {
1105 pane.unpreview_item_if_preview(item.item_id());
1106 }
1107 if activate {
1108 pane.activate_item(index, focus_item, focus_item, window, cx);
1109 }
1110 };
1111 let set_up_new_item = |new_item: Box<dyn ItemHandle>,
1112 destination_index: Option<usize>,
1113 pane: &mut Self,
1114 window: &mut Window,
1115 cx: &mut Context<Self>| {
1116 if allow_preview {
1117 pane.replace_preview_item_id(new_item.item_id(), window, cx);
1118 }
1119
1120 if let Some(text) = new_item.telemetry_event_text(cx) {
1121 telemetry::event!(text);
1122 }
1123
1124 pane.add_item_inner(
1125 new_item,
1126 true,
1127 focus_item,
1128 activate,
1129 destination_index,
1130 window,
1131 cx,
1132 );
1133 };
1134
1135 if let Some((index, existing_item)) = existing_item {
1136 set_up_existing_item(index, self, window, cx);
1137 existing_item
1138 } else {
1139 // If the item is being opened as preview and we have an existing preview tab,
1140 // open the new item in the position of the existing preview tab.
1141 let destination_index = if allow_preview {
1142 self.close_current_preview_item(window, cx)
1143 } else {
1144 suggested_position
1145 };
1146
1147 let new_item = build_item(self, window, cx);
1148 // A special case that won't ever get a `project_entry_id` but has to be deduplicated nonetheless.
1149 if let Some(invalid_buffer_view) = new_item.downcast::<InvalidItemView>() {
1150 let mut already_open_view = None;
1151 let mut views_to_close = HashSet::default();
1152 for existing_error_view in self
1153 .items_of_type::<InvalidItemView>()
1154 .filter(|item| item.read(cx).abs_path == invalid_buffer_view.read(cx).abs_path)
1155 {
1156 if already_open_view.is_none()
1157 && existing_error_view.read(cx).error == invalid_buffer_view.read(cx).error
1158 {
1159 already_open_view = Some(existing_error_view);
1160 } else {
1161 views_to_close.insert(existing_error_view.item_id());
1162 }
1163 }
1164
1165 let resulting_item = match already_open_view {
1166 Some(already_open_view) => {
1167 if let Some(index) = self.index_for_item_id(already_open_view.item_id()) {
1168 set_up_existing_item(index, self, window, cx);
1169 }
1170 Box::new(already_open_view) as Box<_>
1171 }
1172 None => {
1173 set_up_new_item(new_item.clone(), destination_index, self, window, cx);
1174 new_item
1175 }
1176 };
1177
1178 self.close_items(window, cx, SaveIntent::Skip, &|existing_item| {
1179 views_to_close.contains(&existing_item)
1180 })
1181 .detach();
1182
1183 resulting_item
1184 } else {
1185 set_up_new_item(new_item.clone(), destination_index, self, window, cx);
1186 new_item
1187 }
1188 }
1189 }
1190
1191 pub fn close_current_preview_item(
1192 &mut self,
1193 window: &mut Window,
1194 cx: &mut Context<Self>,
1195 ) -> Option<usize> {
1196 let item_idx = self.preview_item_idx()?;
1197 let id = self.preview_item_id()?;
1198 self.preview_item_id = None;
1199
1200 let prev_active_item_index = self.active_item_index;
1201 self.remove_item(id, false, false, window, cx);
1202 self.active_item_index = prev_active_item_index;
1203 self.nav_history.0.lock().preview_item_id = None;
1204
1205 if item_idx < self.items.len() {
1206 Some(item_idx)
1207 } else {
1208 None
1209 }
1210 }
1211
1212 pub fn add_item_inner(
1213 &mut self,
1214 item: Box<dyn ItemHandle>,
1215 activate_pane: bool,
1216 focus_item: bool,
1217 activate: bool,
1218 destination_index: Option<usize>,
1219 window: &mut Window,
1220 cx: &mut Context<Self>,
1221 ) {
1222 let item_already_exists = self
1223 .items
1224 .iter()
1225 .any(|existing_item| existing_item.item_id() == item.item_id());
1226
1227 if !item_already_exists {
1228 self.close_items_on_item_open(window, cx);
1229 }
1230
1231 if item.buffer_kind(cx) == ItemBufferKind::Singleton
1232 && let Some(&entry_id) = item.project_entry_ids(cx).first()
1233 {
1234 let Some(project) = self.project.upgrade() else {
1235 return;
1236 };
1237
1238 let project = project.read(cx);
1239 if let Some(project_path) = project.path_for_entry(entry_id, cx) {
1240 let abs_path = project.absolute_path(&project_path, cx);
1241 self.nav_history
1242 .0
1243 .lock()
1244 .paths_by_item
1245 .insert(item.item_id(), (project_path, abs_path));
1246 }
1247 }
1248 // If no destination index is specified, add or move the item after the
1249 // active item (or at the start of tab bar, if the active item is pinned)
1250 let mut insertion_index = {
1251 cmp::min(
1252 if let Some(destination_index) = destination_index {
1253 destination_index
1254 } else {
1255 cmp::max(self.active_item_index + 1, self.pinned_count())
1256 },
1257 self.items.len(),
1258 )
1259 };
1260
1261 // Does the item already exist?
1262 let project_entry_id = if item.buffer_kind(cx) == ItemBufferKind::Singleton {
1263 item.project_entry_ids(cx).first().copied()
1264 } else {
1265 None
1266 };
1267
1268 let existing_item_index = self.items.iter().position(|existing_item| {
1269 if existing_item.item_id() == item.item_id() {
1270 true
1271 } else if existing_item.buffer_kind(cx) == ItemBufferKind::Singleton {
1272 existing_item
1273 .project_entry_ids(cx)
1274 .first()
1275 .is_some_and(|existing_entry_id| {
1276 Some(existing_entry_id) == project_entry_id.as_ref()
1277 })
1278 } else {
1279 false
1280 }
1281 });
1282 if let Some(existing_item_index) = existing_item_index {
1283 // If the item already exists, move it to the desired destination and activate it
1284
1285 if existing_item_index != insertion_index {
1286 let existing_item_is_active = existing_item_index == self.active_item_index;
1287
1288 // If the caller didn't specify a destination and the added item is already
1289 // the active one, don't move it
1290 if existing_item_is_active && destination_index.is_none() {
1291 insertion_index = existing_item_index;
1292 } else {
1293 self.items.remove(existing_item_index);
1294 if existing_item_index < self.active_item_index {
1295 self.active_item_index -= 1;
1296 }
1297 insertion_index = insertion_index.min(self.items.len());
1298
1299 self.items.insert(insertion_index, item.clone());
1300
1301 if existing_item_is_active {
1302 self.active_item_index = insertion_index;
1303 } else if insertion_index <= self.active_item_index {
1304 self.active_item_index += 1;
1305 }
1306 }
1307
1308 cx.notify();
1309 }
1310
1311 if activate {
1312 self.activate_item(insertion_index, activate_pane, focus_item, window, cx);
1313 }
1314 } else {
1315 self.items.insert(insertion_index, item.clone());
1316 cx.notify();
1317
1318 if activate {
1319 if insertion_index <= self.active_item_index
1320 && self.preview_item_idx() != Some(self.active_item_index)
1321 {
1322 self.active_item_index += 1;
1323 }
1324
1325 self.activate_item(insertion_index, activate_pane, focus_item, window, cx);
1326 }
1327 }
1328
1329 cx.emit(Event::AddItem { item });
1330 }
1331
1332 pub fn add_item(
1333 &mut self,
1334 item: Box<dyn ItemHandle>,
1335 activate_pane: bool,
1336 focus_item: bool,
1337 destination_index: Option<usize>,
1338 window: &mut Window,
1339 cx: &mut Context<Self>,
1340 ) {
1341 if let Some(text) = item.telemetry_event_text(cx) {
1342 telemetry::event!(text);
1343 }
1344
1345 self.add_item_inner(
1346 item,
1347 activate_pane,
1348 focus_item,
1349 true,
1350 destination_index,
1351 window,
1352 cx,
1353 )
1354 }
1355
1356 pub fn items_len(&self) -> usize {
1357 self.items.len()
1358 }
1359
1360 pub fn items(&self) -> impl DoubleEndedIterator<Item = &Box<dyn ItemHandle>> {
1361 self.items.iter()
1362 }
1363
1364 pub fn items_of_type<T: Render>(&self) -> impl '_ + Iterator<Item = Entity<T>> {
1365 self.items
1366 .iter()
1367 .filter_map(|item| item.to_any_view().downcast().ok())
1368 }
1369
1370 pub fn active_item(&self) -> Option<Box<dyn ItemHandle>> {
1371 self.items.get(self.active_item_index).cloned()
1372 }
1373
1374 fn active_item_id(&self) -> EntityId {
1375 self.items[self.active_item_index].item_id()
1376 }
1377
1378 pub fn pixel_position_of_cursor(&self, cx: &App) -> Option<Point<Pixels>> {
1379 self.items
1380 .get(self.active_item_index)?
1381 .pixel_position_of_cursor(cx)
1382 }
1383
1384 pub fn item_for_entry(
1385 &self,
1386 entry_id: ProjectEntryId,
1387 cx: &App,
1388 ) -> Option<Box<dyn ItemHandle>> {
1389 self.items.iter().find_map(|item| {
1390 if item.buffer_kind(cx) == ItemBufferKind::Singleton
1391 && (item.project_entry_ids(cx).as_slice() == [entry_id])
1392 {
1393 Some(item.boxed_clone())
1394 } else {
1395 None
1396 }
1397 })
1398 }
1399
1400 pub fn item_for_path(
1401 &self,
1402 project_path: ProjectPath,
1403 cx: &App,
1404 ) -> Option<Box<dyn ItemHandle>> {
1405 self.items.iter().find_map(move |item| {
1406 if item.buffer_kind(cx) == ItemBufferKind::Singleton
1407 && (item.project_path(cx).as_slice() == [project_path.clone()])
1408 {
1409 Some(item.boxed_clone())
1410 } else {
1411 None
1412 }
1413 })
1414 }
1415
1416 pub fn index_for_item(&self, item: &dyn ItemHandle) -> Option<usize> {
1417 self.index_for_item_id(item.item_id())
1418 }
1419
1420 fn index_for_item_id(&self, item_id: EntityId) -> Option<usize> {
1421 self.items.iter().position(|i| i.item_id() == item_id)
1422 }
1423
1424 pub fn item_for_index(&self, ix: usize) -> Option<&dyn ItemHandle> {
1425 self.items.get(ix).map(|i| i.as_ref())
1426 }
1427
1428 pub fn toggle_zoom(&mut self, _: &ToggleZoom, window: &mut Window, cx: &mut Context<Self>) {
1429 if !self.can_toggle_zoom {
1430 cx.propagate();
1431 } else if self.zoomed {
1432 cx.emit(Event::ZoomOut);
1433 } else if !self.items.is_empty() {
1434 if !self.focus_handle.contains_focused(window, cx) {
1435 cx.focus_self(window);
1436 }
1437 cx.emit(Event::ZoomIn);
1438 }
1439 }
1440
1441 pub fn zoom_in(&mut self, _: &ZoomIn, window: &mut Window, cx: &mut Context<Self>) {
1442 if !self.can_toggle_zoom {
1443 cx.propagate();
1444 } else if !self.zoomed && !self.items.is_empty() {
1445 if !self.focus_handle.contains_focused(window, cx) {
1446 cx.focus_self(window);
1447 }
1448 cx.emit(Event::ZoomIn);
1449 }
1450 }
1451
1452 pub fn zoom_out(&mut self, _: &ZoomOut, _window: &mut Window, cx: &mut Context<Self>) {
1453 if !self.can_toggle_zoom {
1454 cx.propagate();
1455 } else if self.zoomed {
1456 cx.emit(Event::ZoomOut);
1457 }
1458 }
1459
1460 pub fn activate_item(
1461 &mut self,
1462 index: usize,
1463 activate_pane: bool,
1464 focus_item: bool,
1465 window: &mut Window,
1466 cx: &mut Context<Self>,
1467 ) {
1468 use NavigationMode::{GoingBack, GoingForward};
1469 if index < self.items.len() {
1470 let prev_active_item_ix = mem::replace(&mut self.active_item_index, index);
1471 if (prev_active_item_ix != self.active_item_index
1472 || matches!(self.nav_history.mode(), GoingBack | GoingForward))
1473 && let Some(prev_item) = self.items.get(prev_active_item_ix)
1474 {
1475 prev_item.deactivated(window, cx);
1476 }
1477 self.update_history(index);
1478 self.update_toolbar(window, cx);
1479 self.update_status_bar(window, cx);
1480
1481 if focus_item {
1482 self.focus_active_item(window, cx);
1483 }
1484
1485 cx.emit(Event::ActivateItem {
1486 local: activate_pane,
1487 focus_changed: focus_item,
1488 });
1489
1490 self.update_active_tab(index);
1491 cx.notify();
1492 }
1493 }
1494
1495 fn update_active_tab(&mut self, index: usize) {
1496 if !self.is_tab_pinned(index) {
1497 self.suppress_scroll = false;
1498 self.tab_bar_scroll_handle
1499 .scroll_to_item(index - self.pinned_tab_count);
1500 }
1501 }
1502
1503 fn update_history(&mut self, index: usize) {
1504 if let Some(newly_active_item) = self.items.get(index) {
1505 self.activation_history
1506 .retain(|entry| entry.entity_id != newly_active_item.item_id());
1507 self.activation_history.push(ActivationHistoryEntry {
1508 entity_id: newly_active_item.item_id(),
1509 timestamp: self
1510 .next_activation_timestamp
1511 .fetch_add(1, Ordering::SeqCst),
1512 });
1513 }
1514 }
1515
1516 pub fn activate_previous_item(
1517 &mut self,
1518 action: &ActivatePreviousItem,
1519 window: &mut Window,
1520 cx: &mut Context<Self>,
1521 ) {
1522 let mut index = self.active_item_index;
1523 if index > 0 {
1524 index -= 1;
1525 } else if action.wrap_around && !self.items.is_empty() {
1526 index = self.items.len() - 1;
1527 }
1528 self.activate_item(index, true, true, window, cx);
1529 }
1530
1531 pub fn activate_next_item(
1532 &mut self,
1533 action: &ActivateNextItem,
1534 window: &mut Window,
1535 cx: &mut Context<Self>,
1536 ) {
1537 let mut index = self.active_item_index;
1538 if index + 1 < self.items.len() {
1539 index += 1;
1540 } else if action.wrap_around {
1541 index = 0;
1542 }
1543 self.activate_item(index, true, true, window, cx);
1544 }
1545
1546 pub fn swap_item_left(
1547 &mut self,
1548 _: &SwapItemLeft,
1549 window: &mut Window,
1550 cx: &mut Context<Self>,
1551 ) {
1552 let index = self.active_item_index;
1553 if index == 0 {
1554 return;
1555 }
1556
1557 self.items.swap(index, index - 1);
1558 self.activate_item(index - 1, true, true, window, cx);
1559 }
1560
1561 pub fn swap_item_right(
1562 &mut self,
1563 _: &SwapItemRight,
1564 window: &mut Window,
1565 cx: &mut Context<Self>,
1566 ) {
1567 let index = self.active_item_index;
1568 if index + 1 >= self.items.len() {
1569 return;
1570 }
1571
1572 self.items.swap(index, index + 1);
1573 self.activate_item(index + 1, true, true, window, cx);
1574 }
1575
1576 pub fn activate_last_item(
1577 &mut self,
1578 _: &ActivateLastItem,
1579 window: &mut Window,
1580 cx: &mut Context<Self>,
1581 ) {
1582 let index = self.items.len().saturating_sub(1);
1583 self.activate_item(index, true, true, window, cx);
1584 }
1585
1586 pub fn close_active_item(
1587 &mut self,
1588 action: &CloseActiveItem,
1589 window: &mut Window,
1590 cx: &mut Context<Self>,
1591 ) -> Task<Result<()>> {
1592 if self.items.is_empty() {
1593 // Close the window when there's no active items to close, if configured
1594 if WorkspaceSettings::get_global(cx)
1595 .when_closing_with_no_tabs
1596 .should_close()
1597 {
1598 window.dispatch_action(Box::new(CloseWindow), cx);
1599 }
1600
1601 return Task::ready(Ok(()));
1602 }
1603 if self.is_tab_pinned(self.active_item_index) && !action.close_pinned {
1604 // Activate any non-pinned tab in same pane
1605 let non_pinned_tab_index = self
1606 .items()
1607 .enumerate()
1608 .find(|(index, _item)| !self.is_tab_pinned(*index))
1609 .map(|(index, _item)| index);
1610 if let Some(index) = non_pinned_tab_index {
1611 self.activate_item(index, false, false, window, cx);
1612 return Task::ready(Ok(()));
1613 }
1614
1615 // Activate any non-pinned tab in different pane
1616 let current_pane = cx.entity();
1617 self.workspace
1618 .update(cx, |workspace, cx| {
1619 let panes = workspace.center.panes();
1620 let pane_with_unpinned_tab = panes.iter().find(|pane| {
1621 if **pane == ¤t_pane {
1622 return false;
1623 }
1624 pane.read(cx).has_unpinned_tabs()
1625 });
1626 if let Some(pane) = pane_with_unpinned_tab {
1627 pane.update(cx, |pane, cx| pane.activate_unpinned_tab(window, cx));
1628 }
1629 })
1630 .ok();
1631
1632 return Task::ready(Ok(()));
1633 };
1634
1635 let active_item_id = self.active_item_id();
1636
1637 self.close_item_by_id(
1638 active_item_id,
1639 action.save_intent.unwrap_or(SaveIntent::Close),
1640 window,
1641 cx,
1642 )
1643 }
1644
1645 pub fn close_item_by_id(
1646 &mut self,
1647 item_id_to_close: EntityId,
1648 save_intent: SaveIntent,
1649 window: &mut Window,
1650 cx: &mut Context<Self>,
1651 ) -> Task<Result<()>> {
1652 self.close_items(window, cx, save_intent, &move |view_id| {
1653 view_id == item_id_to_close
1654 })
1655 }
1656
1657 pub fn close_items_for_project_path(
1658 &mut self,
1659 project_path: &ProjectPath,
1660 save_intent: SaveIntent,
1661 close_pinned: bool,
1662 window: &mut Window,
1663 cx: &mut Context<Self>,
1664 ) -> Task<Result<()>> {
1665 let pinned_item_ids = self.pinned_item_ids();
1666 let matching_item_ids: Vec<_> = self
1667 .items()
1668 .filter(|item| item.project_path(cx).as_ref() == Some(project_path))
1669 .map(|item| item.item_id())
1670 .collect();
1671 self.close_items(window, cx, save_intent, &move |item_id| {
1672 matching_item_ids.contains(&item_id)
1673 && (close_pinned || !pinned_item_ids.contains(&item_id))
1674 })
1675 }
1676
1677 pub fn close_other_items(
1678 &mut self,
1679 action: &CloseOtherItems,
1680 target_item_id: Option<EntityId>,
1681 window: &mut Window,
1682 cx: &mut Context<Self>,
1683 ) -> Task<Result<()>> {
1684 if self.items.is_empty() {
1685 return Task::ready(Ok(()));
1686 }
1687
1688 let active_item_id = match target_item_id {
1689 Some(result) => result,
1690 None => self.active_item_id(),
1691 };
1692
1693 self.unpreview_item_if_preview(active_item_id);
1694
1695 let pinned_item_ids = self.pinned_item_ids();
1696
1697 self.close_items(
1698 window,
1699 cx,
1700 action.save_intent.unwrap_or(SaveIntent::Close),
1701 &move |item_id| {
1702 item_id != active_item_id
1703 && (action.close_pinned || !pinned_item_ids.contains(&item_id))
1704 },
1705 )
1706 }
1707
1708 pub fn close_multibuffer_items(
1709 &mut self,
1710 action: &CloseMultibufferItems,
1711 window: &mut Window,
1712 cx: &mut Context<Self>,
1713 ) -> Task<Result<()>> {
1714 if self.items.is_empty() {
1715 return Task::ready(Ok(()));
1716 }
1717
1718 let pinned_item_ids = self.pinned_item_ids();
1719 let multibuffer_items = self.multibuffer_item_ids(cx);
1720
1721 self.close_items(
1722 window,
1723 cx,
1724 action.save_intent.unwrap_or(SaveIntent::Close),
1725 &move |item_id| {
1726 (action.close_pinned || !pinned_item_ids.contains(&item_id))
1727 && multibuffer_items.contains(&item_id)
1728 },
1729 )
1730 }
1731
1732 pub fn close_clean_items(
1733 &mut self,
1734 action: &CloseCleanItems,
1735 window: &mut Window,
1736 cx: &mut Context<Self>,
1737 ) -> Task<Result<()>> {
1738 if self.items.is_empty() {
1739 return Task::ready(Ok(()));
1740 }
1741
1742 let clean_item_ids = self.clean_item_ids(cx);
1743 let pinned_item_ids = self.pinned_item_ids();
1744
1745 self.close_items(window, cx, SaveIntent::Close, &move |item_id| {
1746 clean_item_ids.contains(&item_id)
1747 && (action.close_pinned || !pinned_item_ids.contains(&item_id))
1748 })
1749 }
1750
1751 pub fn close_items_to_the_left_by_id(
1752 &mut self,
1753 item_id: Option<EntityId>,
1754 action: &CloseItemsToTheLeft,
1755 window: &mut Window,
1756 cx: &mut Context<Self>,
1757 ) -> Task<Result<()>> {
1758 self.close_items_to_the_side_by_id(item_id, Side::Left, action.close_pinned, window, cx)
1759 }
1760
1761 pub fn close_items_to_the_right_by_id(
1762 &mut self,
1763 item_id: Option<EntityId>,
1764 action: &CloseItemsToTheRight,
1765 window: &mut Window,
1766 cx: &mut Context<Self>,
1767 ) -> Task<Result<()>> {
1768 self.close_items_to_the_side_by_id(item_id, Side::Right, action.close_pinned, window, cx)
1769 }
1770
1771 pub fn close_items_to_the_side_by_id(
1772 &mut self,
1773 item_id: Option<EntityId>,
1774 side: Side,
1775 close_pinned: bool,
1776 window: &mut Window,
1777 cx: &mut Context<Self>,
1778 ) -> Task<Result<()>> {
1779 if self.items.is_empty() {
1780 return Task::ready(Ok(()));
1781 }
1782
1783 let item_id = item_id.unwrap_or_else(|| self.active_item_id());
1784 let to_the_side_item_ids = self.to_the_side_item_ids(item_id, side);
1785 let pinned_item_ids = self.pinned_item_ids();
1786
1787 self.close_items(window, cx, SaveIntent::Close, &move |item_id| {
1788 to_the_side_item_ids.contains(&item_id)
1789 && (close_pinned || !pinned_item_ids.contains(&item_id))
1790 })
1791 }
1792
1793 pub fn close_all_items(
1794 &mut self,
1795 action: &CloseAllItems,
1796 window: &mut Window,
1797 cx: &mut Context<Self>,
1798 ) -> Task<Result<()>> {
1799 if self.items.is_empty() {
1800 return Task::ready(Ok(()));
1801 }
1802
1803 let pinned_item_ids = self.pinned_item_ids();
1804
1805 self.close_items(
1806 window,
1807 cx,
1808 action.save_intent.unwrap_or(SaveIntent::Close),
1809 &|item_id| action.close_pinned || !pinned_item_ids.contains(&item_id),
1810 )
1811 }
1812
1813 fn close_items_on_item_open(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1814 let target = self.max_tabs.map(|m| m.get());
1815 let protect_active_item = false;
1816 self.close_items_to_target_count(target, protect_active_item, window, cx);
1817 }
1818
1819 fn close_items_on_settings_change(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1820 let target = self.max_tabs.map(|m| m.get() + 1);
1821 // The active item in this case is the settings.json file, which should be protected from being closed
1822 let protect_active_item = true;
1823 self.close_items_to_target_count(target, protect_active_item, window, cx);
1824 }
1825
1826 fn close_items_to_target_count(
1827 &mut self,
1828 target_count: Option<usize>,
1829 protect_active_item: bool,
1830 window: &mut Window,
1831 cx: &mut Context<Self>,
1832 ) {
1833 let Some(target_count) = target_count else {
1834 return;
1835 };
1836
1837 let mut index_list = Vec::new();
1838 let mut items_len = self.items_len();
1839 let mut indexes: HashMap<EntityId, usize> = HashMap::default();
1840 let active_ix = self.active_item_index();
1841
1842 for (index, item) in self.items.iter().enumerate() {
1843 indexes.insert(item.item_id(), index);
1844 }
1845
1846 // Close least recently used items to reach target count.
1847 // The target count is allowed to be exceeded, as we protect pinned
1848 // items, dirty items, and sometimes, the active item.
1849 for entry in self.activation_history.iter() {
1850 if items_len < target_count {
1851 break;
1852 }
1853
1854 let Some(&index) = indexes.get(&entry.entity_id) else {
1855 continue;
1856 };
1857
1858 if protect_active_item && index == active_ix {
1859 continue;
1860 }
1861
1862 if let Some(true) = self.items.get(index).map(|item| item.is_dirty(cx)) {
1863 continue;
1864 }
1865
1866 if self.is_tab_pinned(index) {
1867 continue;
1868 }
1869
1870 index_list.push(index);
1871 items_len -= 1;
1872 }
1873 // The sort and reverse is necessary since we remove items
1874 // using their index position, hence removing from the end
1875 // of the list first to avoid changing indexes.
1876 index_list.sort_unstable();
1877 index_list
1878 .iter()
1879 .rev()
1880 .for_each(|&index| self._remove_item(index, false, false, None, window, cx));
1881 }
1882
1883 // Usually when you close an item that has unsaved changes, we prompt you to
1884 // save it. That said, if you still have the buffer open in a different pane
1885 // we can close this one without fear of losing data.
1886 pub fn skip_save_on_close(item: &dyn ItemHandle, workspace: &Workspace, cx: &App) -> bool {
1887 let mut dirty_project_item_ids = Vec::new();
1888 item.for_each_project_item(cx, &mut |project_item_id, project_item| {
1889 if project_item.is_dirty() {
1890 dirty_project_item_ids.push(project_item_id);
1891 }
1892 });
1893 if dirty_project_item_ids.is_empty() {
1894 return !(item.buffer_kind(cx) == ItemBufferKind::Singleton && item.is_dirty(cx));
1895 }
1896
1897 for open_item in workspace.items(cx) {
1898 if open_item.item_id() == item.item_id() {
1899 continue;
1900 }
1901 if open_item.buffer_kind(cx) != ItemBufferKind::Singleton {
1902 continue;
1903 }
1904 let other_project_item_ids = open_item.project_item_model_ids(cx);
1905 dirty_project_item_ids.retain(|id| !other_project_item_ids.contains(id));
1906 }
1907 dirty_project_item_ids.is_empty()
1908 }
1909
1910 pub(super) fn file_names_for_prompt(
1911 items: &mut dyn Iterator<Item = &Box<dyn ItemHandle>>,
1912 cx: &App,
1913 ) -> String {
1914 let mut file_names = BTreeSet::default();
1915 for item in items {
1916 item.for_each_project_item(cx, &mut |_, project_item| {
1917 if !project_item.is_dirty() {
1918 return;
1919 }
1920 let filename = project_item
1921 .project_path(cx)
1922 .and_then(|path| path.path.file_name().map(ToOwned::to_owned));
1923 file_names.insert(filename.unwrap_or("untitled".to_string()));
1924 });
1925 }
1926 if file_names.len() > 6 {
1927 format!(
1928 "{}\n.. and {} more",
1929 file_names.iter().take(5).join("\n"),
1930 file_names.len() - 5
1931 )
1932 } else {
1933 file_names.into_iter().join("\n")
1934 }
1935 }
1936
1937 pub fn close_items(
1938 &self,
1939 window: &mut Window,
1940 cx: &mut Context<Pane>,
1941 mut save_intent: SaveIntent,
1942 should_close: &dyn Fn(EntityId) -> bool,
1943 ) -> Task<Result<()>> {
1944 // Find the items to close.
1945 let mut items_to_close = Vec::new();
1946 for item in &self.items {
1947 if should_close(item.item_id()) {
1948 items_to_close.push(item.boxed_clone());
1949 }
1950 }
1951
1952 let active_item_id = self.active_item().map(|item| item.item_id());
1953
1954 items_to_close.sort_by_key(|item| {
1955 let path = item.project_path(cx);
1956 // Put the currently active item at the end, because if the currently active item is not closed last
1957 // closing the currently active item will cause the focus to switch to another item
1958 // This will cause Zed to expand the content of the currently active item
1959 //
1960 // Beyond that sort in order of project path, with untitled files and multibuffers coming last.
1961 (active_item_id == Some(item.item_id()), path.is_none(), path)
1962 });
1963
1964 let workspace = self.workspace.clone();
1965 let Some(project) = self.project.upgrade() else {
1966 return Task::ready(Ok(()));
1967 };
1968 cx.spawn_in(window, async move |pane, cx| {
1969 let dirty_items = workspace.update(cx, |workspace, cx| {
1970 items_to_close
1971 .iter()
1972 .filter(|item| {
1973 item.is_dirty(cx) && !Self::skip_save_on_close(item.as_ref(), workspace, cx)
1974 })
1975 .map(|item| item.boxed_clone())
1976 .collect::<Vec<_>>()
1977 })?;
1978
1979 if save_intent == SaveIntent::Close && dirty_items.len() > 1 {
1980 let answer = pane.update_in(cx, |_, window, cx| {
1981 let detail = Self::file_names_for_prompt(&mut dirty_items.iter(), cx);
1982 window.prompt(
1983 PromptLevel::Warning,
1984 "Do you want to save changes to the following files?",
1985 Some(&detail),
1986 &["Save all", "Discard all", "Cancel"],
1987 cx,
1988 )
1989 })?;
1990 match answer.await {
1991 Ok(0) => save_intent = SaveIntent::SaveAll,
1992 Ok(1) => save_intent = SaveIntent::Skip,
1993 Ok(2) => return Ok(()),
1994 _ => {}
1995 }
1996 }
1997
1998 for item_to_close in items_to_close {
1999 let mut should_close = true;
2000 let mut should_save = true;
2001 if save_intent == SaveIntent::Close {
2002 workspace.update(cx, |workspace, cx| {
2003 if Self::skip_save_on_close(item_to_close.as_ref(), workspace, cx) {
2004 should_save = false;
2005 }
2006 })?;
2007 }
2008
2009 if should_save {
2010 match Self::save_item(project.clone(), &pane, &*item_to_close, save_intent, cx)
2011 .await
2012 {
2013 Ok(success) => {
2014 if !success {
2015 should_close = false;
2016 }
2017 }
2018 Err(err) => {
2019 let answer = pane.update_in(cx, |_, window, cx| {
2020 let detail = Self::file_names_for_prompt(
2021 &mut [&item_to_close].into_iter(),
2022 cx,
2023 );
2024 window.prompt(
2025 PromptLevel::Warning,
2026 &format!("Unable to save file: {}", &err),
2027 Some(&detail),
2028 &["Close Without Saving", "Cancel"],
2029 cx,
2030 )
2031 })?;
2032 match answer.await {
2033 Ok(0) => {}
2034 Ok(1..) | Err(_) => should_close = false,
2035 }
2036 }
2037 }
2038 }
2039
2040 // Remove the item from the pane.
2041 if should_close {
2042 pane.update_in(cx, |pane, window, cx| {
2043 pane.remove_item(
2044 item_to_close.item_id(),
2045 false,
2046 pane.close_pane_if_empty,
2047 window,
2048 cx,
2049 );
2050 })
2051 .ok();
2052 }
2053 }
2054
2055 pane.update(cx, |_, cx| cx.notify()).ok();
2056 Ok(())
2057 })
2058 }
2059
2060 pub fn take_active_item(
2061 &mut self,
2062 window: &mut Window,
2063 cx: &mut Context<Self>,
2064 ) -> Option<Box<dyn ItemHandle>> {
2065 let item = self.active_item()?;
2066 self.remove_item(item.item_id(), false, false, window, cx);
2067 Some(item)
2068 }
2069
2070 pub fn remove_item(
2071 &mut self,
2072 item_id: EntityId,
2073 activate_pane: bool,
2074 close_pane_if_empty: bool,
2075 window: &mut Window,
2076 cx: &mut Context<Self>,
2077 ) {
2078 let Some(item_index) = self.index_for_item_id(item_id) else {
2079 return;
2080 };
2081 self._remove_item(
2082 item_index,
2083 activate_pane,
2084 close_pane_if_empty,
2085 None,
2086 window,
2087 cx,
2088 )
2089 }
2090
2091 pub fn remove_item_and_focus_on_pane(
2092 &mut self,
2093 item_index: usize,
2094 activate_pane: bool,
2095 focus_on_pane_if_closed: Entity<Pane>,
2096 window: &mut Window,
2097 cx: &mut Context<Self>,
2098 ) {
2099 self._remove_item(
2100 item_index,
2101 activate_pane,
2102 true,
2103 Some(focus_on_pane_if_closed),
2104 window,
2105 cx,
2106 )
2107 }
2108
2109 fn _remove_item(
2110 &mut self,
2111 item_index: usize,
2112 activate_pane: bool,
2113 close_pane_if_empty: bool,
2114 focus_on_pane_if_closed: Option<Entity<Pane>>,
2115 window: &mut Window,
2116 cx: &mut Context<Self>,
2117 ) {
2118 let activate_on_close = &ItemSettings::get_global(cx).activate_on_close;
2119 self.activation_history
2120 .retain(|entry| entry.entity_id != self.items[item_index].item_id());
2121
2122 if self.is_tab_pinned(item_index) {
2123 self.pinned_tab_count -= 1;
2124 }
2125 if item_index == self.active_item_index {
2126 let left_neighbour_index = || item_index.min(self.items.len()).saturating_sub(1);
2127 let index_to_activate = match activate_on_close {
2128 ActivateOnClose::History => self
2129 .activation_history
2130 .pop()
2131 .and_then(|last_activated_item| {
2132 self.items.iter().enumerate().find_map(|(index, item)| {
2133 (item.item_id() == last_activated_item.entity_id).then_some(index)
2134 })
2135 })
2136 // We didn't have a valid activation history entry, so fallback
2137 // to activating the item to the left
2138 .unwrap_or_else(left_neighbour_index),
2139 ActivateOnClose::Neighbour => {
2140 self.activation_history.pop();
2141 if item_index + 1 < self.items.len() {
2142 item_index + 1
2143 } else {
2144 item_index.saturating_sub(1)
2145 }
2146 }
2147 ActivateOnClose::LeftNeighbour => {
2148 self.activation_history.pop();
2149 left_neighbour_index()
2150 }
2151 };
2152
2153 let should_activate = activate_pane || self.has_focus(window, cx);
2154 if self.items.len() == 1 && should_activate {
2155 self.focus_handle.focus(window, cx);
2156 } else {
2157 self.activate_item(
2158 index_to_activate,
2159 should_activate,
2160 should_activate,
2161 window,
2162 cx,
2163 );
2164 }
2165 }
2166
2167 let item = self.items.remove(item_index);
2168
2169 cx.emit(Event::RemovedItem { item: item.clone() });
2170 if self.items.is_empty() {
2171 item.deactivated(window, cx);
2172 if close_pane_if_empty {
2173 self.update_toolbar(window, cx);
2174 cx.emit(Event::Remove {
2175 focus_on_pane: focus_on_pane_if_closed,
2176 });
2177 }
2178 }
2179
2180 if item_index < self.active_item_index {
2181 self.active_item_index -= 1;
2182 }
2183
2184 let mode = self.nav_history.mode();
2185 self.nav_history.set_mode(NavigationMode::ClosingItem);
2186 item.deactivated(window, cx);
2187 item.on_removed(cx);
2188 self.nav_history.set_mode(mode);
2189 self.unpreview_item_if_preview(item.item_id());
2190
2191 if let Some(path) = item.project_path(cx) {
2192 let abs_path = self
2193 .nav_history
2194 .0
2195 .lock()
2196 .paths_by_item
2197 .get(&item.item_id())
2198 .and_then(|(_, abs_path)| abs_path.clone());
2199
2200 self.nav_history
2201 .0
2202 .lock()
2203 .paths_by_item
2204 .insert(item.item_id(), (path, abs_path));
2205 } else {
2206 self.nav_history
2207 .0
2208 .lock()
2209 .paths_by_item
2210 .remove(&item.item_id());
2211 }
2212
2213 if self.zoom_out_on_close && self.items.is_empty() && close_pane_if_empty && self.zoomed {
2214 cx.emit(Event::ZoomOut);
2215 }
2216
2217 cx.notify();
2218 }
2219
2220 pub async fn save_item(
2221 project: Entity<Project>,
2222 pane: &WeakEntity<Pane>,
2223 item: &dyn ItemHandle,
2224 save_intent: SaveIntent,
2225 cx: &mut AsyncWindowContext,
2226 ) -> Result<bool> {
2227 const CONFLICT_MESSAGE: &str = "This file has changed on disk since you started editing it. Do you want to overwrite it?";
2228
2229 const DELETED_MESSAGE: &str = "This file has been deleted on disk since you started editing it. Do you want to recreate it?";
2230
2231 let path_style = project.read_with(cx, |project, cx| project.path_style(cx));
2232 if save_intent == SaveIntent::Skip {
2233 let is_saveable_singleton = cx.update(|_window, cx| {
2234 item.can_save(cx) && item.buffer_kind(cx) == ItemBufferKind::Singleton
2235 })?;
2236 if is_saveable_singleton {
2237 pane.update_in(cx, |_, window, cx| item.reload(project, window, cx))?
2238 .await
2239 .log_err();
2240 }
2241 return Ok(true);
2242 };
2243 let Some(item_ix) = pane
2244 .read_with(cx, |pane, _| pane.index_for_item(item))
2245 .ok()
2246 .flatten()
2247 else {
2248 return Ok(true);
2249 };
2250
2251 let (
2252 mut has_conflict,
2253 mut is_dirty,
2254 mut can_save,
2255 can_save_as,
2256 is_singleton,
2257 has_deleted_file,
2258 ) = cx.update(|_window, cx| {
2259 (
2260 item.has_conflict(cx),
2261 item.is_dirty(cx),
2262 item.can_save(cx),
2263 item.can_save_as(cx),
2264 item.buffer_kind(cx) == ItemBufferKind::Singleton,
2265 item.has_deleted_file(cx),
2266 )
2267 })?;
2268
2269 // when saving a single buffer, we ignore whether or not it's dirty.
2270 if save_intent == SaveIntent::Save || save_intent == SaveIntent::SaveWithoutFormat {
2271 is_dirty = true;
2272 }
2273
2274 if save_intent == SaveIntent::SaveAs {
2275 is_dirty = true;
2276 has_conflict = false;
2277 can_save = false;
2278 }
2279
2280 if save_intent == SaveIntent::Overwrite {
2281 has_conflict = false;
2282 }
2283
2284 let should_format = save_intent != SaveIntent::SaveWithoutFormat;
2285
2286 if has_conflict && can_save {
2287 if has_deleted_file && is_singleton {
2288 let answer = pane.update_in(cx, |pane, window, cx| {
2289 pane.activate_item(item_ix, true, true, window, cx);
2290 window.prompt(
2291 PromptLevel::Warning,
2292 DELETED_MESSAGE,
2293 None,
2294 &["Save", "Close", "Cancel"],
2295 cx,
2296 )
2297 })?;
2298 match answer.await {
2299 Ok(0) => {
2300 pane.update_in(cx, |_, window, cx| {
2301 item.save(
2302 SaveOptions {
2303 format: should_format,
2304 autosave: false,
2305 },
2306 project,
2307 window,
2308 cx,
2309 )
2310 })?
2311 .await?
2312 }
2313 Ok(1) => {
2314 pane.update_in(cx, |pane, window, cx| {
2315 pane.remove_item(item.item_id(), false, true, window, cx)
2316 })?;
2317 }
2318 _ => return Ok(false),
2319 }
2320 return Ok(true);
2321 } else {
2322 let answer = pane.update_in(cx, |pane, window, cx| {
2323 pane.activate_item(item_ix, true, true, window, cx);
2324 window.prompt(
2325 PromptLevel::Warning,
2326 CONFLICT_MESSAGE,
2327 None,
2328 &["Overwrite", "Discard", "Cancel"],
2329 cx,
2330 )
2331 })?;
2332 match answer.await {
2333 Ok(0) => {
2334 pane.update_in(cx, |_, window, cx| {
2335 item.save(
2336 SaveOptions {
2337 format: should_format,
2338 autosave: false,
2339 },
2340 project,
2341 window,
2342 cx,
2343 )
2344 })?
2345 .await?
2346 }
2347 Ok(1) => {
2348 pane.update_in(cx, |_, window, cx| item.reload(project, window, cx))?
2349 .await?
2350 }
2351 _ => return Ok(false),
2352 }
2353 }
2354 } else if is_dirty && (can_save || can_save_as) {
2355 if save_intent == SaveIntent::Close {
2356 let will_autosave = cx.update(|_window, cx| {
2357 item.can_autosave(cx)
2358 && item.workspace_settings(cx).autosave.should_save_on_close()
2359 })?;
2360 if !will_autosave {
2361 let item_id = item.item_id();
2362 let answer_task = pane.update_in(cx, |pane, window, cx| {
2363 if pane.save_modals_spawned.insert(item_id) {
2364 pane.activate_item(item_ix, true, true, window, cx);
2365 let prompt = dirty_message_for(item.project_path(cx), path_style);
2366 Some(window.prompt(
2367 PromptLevel::Warning,
2368 &prompt,
2369 None,
2370 &["Save", "Don't Save", "Cancel"],
2371 cx,
2372 ))
2373 } else {
2374 None
2375 }
2376 })?;
2377 if let Some(answer_task) = answer_task {
2378 let answer = answer_task.await;
2379 pane.update(cx, |pane, _| {
2380 if !pane.save_modals_spawned.remove(&item_id) {
2381 debug_panic!(
2382 "save modal was not present in spawned modals after awaiting for its answer"
2383 )
2384 }
2385 })?;
2386 match answer {
2387 Ok(0) => {}
2388 Ok(1) => {
2389 // Don't save this file - reload from disk to discard changes
2390 pane.update_in(cx, |pane, _, cx| {
2391 if pane.is_tab_pinned(item_ix) && !item.can_save(cx) {
2392 pane.pinned_tab_count -= 1;
2393 }
2394 })
2395 .log_err();
2396 if can_save && is_singleton {
2397 pane.update_in(cx, |_, window, cx| {
2398 item.reload(project.clone(), window, cx)
2399 })?
2400 .await
2401 .log_err();
2402 }
2403 return Ok(true);
2404 }
2405 _ => return Ok(false), // Cancel
2406 }
2407 } else {
2408 return Ok(false);
2409 }
2410 }
2411 }
2412
2413 if can_save {
2414 pane.update_in(cx, |pane, window, cx| {
2415 pane.unpreview_item_if_preview(item.item_id());
2416 item.save(
2417 SaveOptions {
2418 format: should_format,
2419 autosave: false,
2420 },
2421 project,
2422 window,
2423 cx,
2424 )
2425 })?
2426 .await?;
2427 } else if can_save_as && is_singleton {
2428 let suggested_name =
2429 cx.update(|_window, cx| item.suggested_filename(cx).to_string())?;
2430 let new_path = pane.update_in(cx, |pane, window, cx| {
2431 pane.activate_item(item_ix, true, true, window, cx);
2432 pane.workspace.update(cx, |workspace, cx| {
2433 let lister = if workspace.project().read(cx).is_local() {
2434 DirectoryLister::Local(
2435 workspace.project().clone(),
2436 workspace.app_state().fs.clone(),
2437 )
2438 } else {
2439 DirectoryLister::Project(workspace.project().clone())
2440 };
2441 workspace.prompt_for_new_path(lister, Some(suggested_name), window, cx)
2442 })
2443 })??;
2444 let Some(new_path) = new_path.await.ok().flatten().into_iter().flatten().next()
2445 else {
2446 return Ok(false);
2447 };
2448
2449 let project_path = pane
2450 .update(cx, |pane, cx| {
2451 pane.project
2452 .update(cx, |project, cx| {
2453 project.find_or_create_worktree(new_path, true, cx)
2454 })
2455 .ok()
2456 })
2457 .ok()
2458 .flatten();
2459 let save_task = if let Some(project_path) = project_path {
2460 let (worktree, path) = project_path.await?;
2461 let worktree_id = worktree.read_with(cx, |worktree, _| worktree.id());
2462 let new_path = ProjectPath { worktree_id, path };
2463
2464 pane.update_in(cx, |pane, window, cx| {
2465 if let Some(item) = pane.item_for_path(new_path.clone(), cx) {
2466 pane.remove_item(item.item_id(), false, false, window, cx);
2467 }
2468
2469 item.save_as(project, new_path, window, cx)
2470 })?
2471 } else {
2472 return Ok(false);
2473 };
2474
2475 save_task.await?;
2476 return Ok(true);
2477 }
2478 }
2479
2480 pane.update(cx, |_, cx| {
2481 cx.emit(Event::UserSavedItem {
2482 item: item.downgrade_item(),
2483 save_intent,
2484 });
2485 true
2486 })
2487 }
2488
2489 pub fn autosave_item(
2490 item: &dyn ItemHandle,
2491 project: Entity<Project>,
2492 window: &mut Window,
2493 cx: &mut App,
2494 ) -> Task<Result<()>> {
2495 let format = !matches!(
2496 item.workspace_settings(cx).autosave,
2497 AutosaveSetting::AfterDelay { .. }
2498 );
2499 if item.can_autosave(cx) {
2500 item.save(
2501 SaveOptions {
2502 format,
2503 autosave: true,
2504 },
2505 project,
2506 window,
2507 cx,
2508 )
2509 } else {
2510 Task::ready(Ok(()))
2511 }
2512 }
2513
2514 pub fn focus_active_item(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2515 if let Some(active_item) = self.active_item() {
2516 let focus_handle = active_item.item_focus_handle(cx);
2517 window.focus(&focus_handle, cx);
2518 }
2519 }
2520
2521 pub fn split(
2522 &mut self,
2523 direction: SplitDirection,
2524 mode: SplitMode,
2525 window: &mut Window,
2526 cx: &mut Context<Self>,
2527 ) {
2528 if self.items.len() <= 1 && mode == SplitMode::MovePane {
2529 // MovePane with only one pane present behaves like a SplitEmpty in the opposite direction
2530 let active_item = self.active_item();
2531 cx.emit(Event::Split {
2532 direction: direction.opposite(),
2533 mode: SplitMode::EmptyPane,
2534 });
2535 // ensure that we focus the moved pane
2536 // in this case we know that the window is the same as the active_item
2537 if let Some(active_item) = active_item {
2538 cx.defer_in(window, move |_, window, cx| {
2539 let focus_handle = active_item.item_focus_handle(cx);
2540 window.focus(&focus_handle, cx);
2541 });
2542 }
2543 } else {
2544 cx.emit(Event::Split { direction, mode });
2545 }
2546 }
2547
2548 pub fn toolbar(&self) -> &Entity<Toolbar> {
2549 &self.toolbar
2550 }
2551
2552 pub fn handle_deleted_project_item(
2553 &mut self,
2554 entry_id: ProjectEntryId,
2555 window: &mut Window,
2556 cx: &mut Context<Pane>,
2557 ) -> Option<()> {
2558 let item_id = self.items().find_map(|item| {
2559 if item.buffer_kind(cx) == ItemBufferKind::Singleton
2560 && item.project_entry_ids(cx).as_slice() == [entry_id]
2561 {
2562 Some(item.item_id())
2563 } else {
2564 None
2565 }
2566 })?;
2567
2568 self.remove_item(item_id, false, true, window, cx);
2569 self.nav_history.remove_item(item_id);
2570
2571 Some(())
2572 }
2573
2574 fn update_toolbar(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2575 let active_item = self
2576 .items
2577 .get(self.active_item_index)
2578 .map(|item| item.as_ref());
2579 self.toolbar.update(cx, |toolbar, cx| {
2580 toolbar.set_active_item(active_item, window, cx);
2581 });
2582 }
2583
2584 fn update_status_bar(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2585 let workspace = self.workspace.clone();
2586 let pane = cx.entity();
2587
2588 window.defer(cx, move |window, cx| {
2589 let Ok(status_bar) =
2590 workspace.read_with(cx, |workspace, _| workspace.status_bar.clone())
2591 else {
2592 return;
2593 };
2594
2595 status_bar.update(cx, move |status_bar, cx| {
2596 status_bar.set_active_pane(&pane, window, cx);
2597 });
2598 });
2599 }
2600
2601 fn entry_abs_path(&self, entry: ProjectEntryId, cx: &App) -> Option<PathBuf> {
2602 let worktree = self
2603 .workspace
2604 .upgrade()?
2605 .read(cx)
2606 .project()
2607 .read(cx)
2608 .worktree_for_entry(entry, cx)?
2609 .read(cx);
2610 let entry = worktree.entry_for_id(entry)?;
2611 Some(match &entry.canonical_path {
2612 Some(canonical_path) => canonical_path.to_path_buf(),
2613 None => worktree.absolutize(&entry.path),
2614 })
2615 }
2616
2617 pub fn icon_color(selected: bool) -> Color {
2618 if selected {
2619 Color::Default
2620 } else {
2621 Color::Muted
2622 }
2623 }
2624
2625 fn toggle_pin_tab(&mut self, _: &TogglePinTab, window: &mut Window, cx: &mut Context<Self>) {
2626 if self.items.is_empty() {
2627 return;
2628 }
2629 let active_tab_ix = self.active_item_index();
2630 if self.is_tab_pinned(active_tab_ix) {
2631 self.unpin_tab_at(active_tab_ix, window, cx);
2632 } else {
2633 self.pin_tab_at(active_tab_ix, window, cx);
2634 }
2635 }
2636
2637 fn unpin_all_tabs(&mut self, _: &UnpinAllTabs, window: &mut Window, cx: &mut Context<Self>) {
2638 if self.items.is_empty() {
2639 return;
2640 }
2641
2642 let pinned_item_ids = self.pinned_item_ids().into_iter().rev();
2643
2644 for pinned_item_id in pinned_item_ids {
2645 if let Some(ix) = self.index_for_item_id(pinned_item_id) {
2646 self.unpin_tab_at(ix, window, cx);
2647 }
2648 }
2649 }
2650
2651 fn pin_tab_at(&mut self, ix: usize, window: &mut Window, cx: &mut Context<Self>) {
2652 self.change_tab_pin_state(ix, PinOperation::Pin, window, cx);
2653 }
2654
2655 fn unpin_tab_at(&mut self, ix: usize, window: &mut Window, cx: &mut Context<Self>) {
2656 self.change_tab_pin_state(ix, PinOperation::Unpin, window, cx);
2657 }
2658
2659 fn change_tab_pin_state(
2660 &mut self,
2661 ix: usize,
2662 operation: PinOperation,
2663 window: &mut Window,
2664 cx: &mut Context<Self>,
2665 ) {
2666 maybe!({
2667 let pane = cx.entity();
2668
2669 let destination_index = match operation {
2670 PinOperation::Pin => self.pinned_tab_count.min(ix),
2671 PinOperation::Unpin => self.pinned_tab_count.checked_sub(1)?,
2672 };
2673
2674 let id = self.item_for_index(ix)?.item_id();
2675 let should_activate = ix == self.active_item_index;
2676
2677 if matches!(operation, PinOperation::Pin) {
2678 self.unpreview_item_if_preview(id);
2679 }
2680
2681 match operation {
2682 PinOperation::Pin => self.pinned_tab_count += 1,
2683 PinOperation::Unpin => self.pinned_tab_count -= 1,
2684 }
2685
2686 if ix == destination_index {
2687 cx.notify();
2688 } else {
2689 self.workspace
2690 .update(cx, |_, cx| {
2691 cx.defer_in(window, move |_, window, cx| {
2692 move_item(
2693 &pane,
2694 &pane,
2695 id,
2696 destination_index,
2697 should_activate,
2698 window,
2699 cx,
2700 );
2701 });
2702 })
2703 .ok()?;
2704 }
2705
2706 let event = match operation {
2707 PinOperation::Pin => Event::ItemPinned,
2708 PinOperation::Unpin => Event::ItemUnpinned,
2709 };
2710
2711 cx.emit(event);
2712
2713 Some(())
2714 });
2715 }
2716
2717 fn is_tab_pinned(&self, ix: usize) -> bool {
2718 self.pinned_tab_count > ix
2719 }
2720
2721 fn has_unpinned_tabs(&self) -> bool {
2722 self.pinned_tab_count < self.items.len()
2723 }
2724
2725 fn activate_unpinned_tab(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2726 if self.items.is_empty() {
2727 return;
2728 }
2729 let Some(index) = self
2730 .items()
2731 .enumerate()
2732 .find_map(|(index, _item)| (!self.is_tab_pinned(index)).then_some(index))
2733 else {
2734 return;
2735 };
2736 self.activate_item(index, true, true, window, cx);
2737 }
2738
2739 fn render_tab(
2740 &self,
2741 ix: usize,
2742 item: &dyn ItemHandle,
2743 detail: usize,
2744 focus_handle: &FocusHandle,
2745 window: &mut Window,
2746 cx: &mut Context<Pane>,
2747 ) -> impl IntoElement + use<> {
2748 let is_active = ix == self.active_item_index;
2749 let is_preview = self
2750 .preview_item_id
2751 .map(|id| id == item.item_id())
2752 .unwrap_or(false);
2753
2754 let label = item.tab_content(
2755 TabContentParams {
2756 detail: Some(detail),
2757 selected: is_active,
2758 preview: is_preview,
2759 deemphasized: !self.has_focus(window, cx),
2760 },
2761 window,
2762 cx,
2763 );
2764
2765 let item_diagnostic = item
2766 .project_path(cx)
2767 .map_or(None, |project_path| self.diagnostics.get(&project_path));
2768
2769 let decorated_icon = item_diagnostic.map_or(None, |diagnostic| {
2770 let icon = match item.tab_icon(window, cx) {
2771 Some(icon) => icon,
2772 None => return None,
2773 };
2774
2775 let knockout_item_color = if is_active {
2776 cx.theme().colors().tab_active_background
2777 } else {
2778 cx.theme().colors().tab_bar_background
2779 };
2780
2781 let (icon_decoration, icon_color) = if matches!(diagnostic, &DiagnosticSeverity::ERROR)
2782 {
2783 (IconDecorationKind::X, Color::Error)
2784 } else {
2785 (IconDecorationKind::Triangle, Color::Warning)
2786 };
2787
2788 Some(DecoratedIcon::new(
2789 icon.size(IconSize::Small).color(Color::Muted),
2790 Some(
2791 IconDecoration::new(icon_decoration, knockout_item_color, cx)
2792 .color(icon_color.color(cx))
2793 .position(Point {
2794 x: px(-2.),
2795 y: px(-2.),
2796 }),
2797 ),
2798 ))
2799 });
2800
2801 let icon = if decorated_icon.is_none() {
2802 match item_diagnostic {
2803 Some(&DiagnosticSeverity::ERROR) => None,
2804 Some(&DiagnosticSeverity::WARNING) => None,
2805 _ => item
2806 .tab_icon(window, cx)
2807 .map(|icon| icon.color(Color::Muted)),
2808 }
2809 .map(|icon| icon.size(IconSize::Small))
2810 } else {
2811 None
2812 };
2813
2814 let settings = ItemSettings::get_global(cx);
2815 let close_side = &settings.close_position;
2816 let show_close_button = &settings.show_close_button;
2817 let indicator = render_item_indicator(item.boxed_clone(), cx);
2818 let tab_tooltip_content = item.tab_tooltip_content(cx);
2819 let item_id = item.item_id();
2820 let is_first_item = ix == 0;
2821 let is_last_item = ix == self.items.len() - 1;
2822 let is_pinned = self.is_tab_pinned(ix);
2823 let position_relative_to_active_item = ix.cmp(&self.active_item_index);
2824
2825 let read_only_toggle = |toggleable: bool| {
2826 IconButton::new("toggle_read_only", IconName::FileLock)
2827 .size(ButtonSize::None)
2828 .shape(IconButtonShape::Square)
2829 .icon_color(Color::Muted)
2830 .icon_size(IconSize::Small)
2831 .disabled(!toggleable)
2832 .tooltip(move |_, cx| {
2833 if toggleable {
2834 Tooltip::with_meta(
2835 "Unlock File",
2836 None,
2837 "This will make this file editable",
2838 cx,
2839 )
2840 } else {
2841 Tooltip::with_meta("Locked File", None, "This file is read-only", cx)
2842 }
2843 })
2844 .on_click(cx.listener(move |pane, _, window, cx| {
2845 if let Some(item) = pane.item_for_index(ix) {
2846 item.toggle_read_only(window, cx);
2847 }
2848 }))
2849 };
2850
2851 let has_file_icon = icon.is_some() | decorated_icon.is_some();
2852
2853 let capability = item.capability(cx);
2854 let tab = Tab::new(ix)
2855 .position(if is_first_item {
2856 TabPosition::First
2857 } else if is_last_item {
2858 TabPosition::Last
2859 } else {
2860 TabPosition::Middle(position_relative_to_active_item)
2861 })
2862 .close_side(match close_side {
2863 ClosePosition::Left => ui::TabCloseSide::Start,
2864 ClosePosition::Right => ui::TabCloseSide::End,
2865 })
2866 .toggle_state(is_active)
2867 .on_click(cx.listener({
2868 let item_handle = item.boxed_clone();
2869 move |pane: &mut Self, event: &ClickEvent, window, cx| {
2870 if event.click_count() > 1 {
2871 pane.unpreview_item_if_preview(item_id);
2872 let extra_actions = item_handle.tab_extra_context_menu_actions(window, cx);
2873 if let Some((_, action)) = extra_actions
2874 .into_iter()
2875 .find(|(label, _)| label.as_ref() == "Rename")
2876 {
2877 // Dispatch action directly through the focus handle to avoid
2878 // relay_action's intermediate focus step which can interfere
2879 // with inline editors.
2880 let focus_handle = item_handle.item_focus_handle(cx);
2881 focus_handle.dispatch_action(&*action, window, cx);
2882 return;
2883 }
2884 }
2885 pane.activate_item(ix, true, true, window, cx)
2886 }
2887 }))
2888 .on_aux_click(
2889 cx.listener(move |pane: &mut Self, event: &ClickEvent, window, cx| {
2890 if !event.is_middle_click() || is_pinned {
2891 return;
2892 }
2893
2894 pane.close_item_by_id(item_id, SaveIntent::Close, window, cx)
2895 .detach_and_log_err(cx);
2896 cx.stop_propagation();
2897 }),
2898 )
2899 .on_drag(
2900 DraggedTab {
2901 item: item.boxed_clone(),
2902 pane: cx.entity(),
2903 detail,
2904 is_active,
2905 ix,
2906 },
2907 |tab, _, _, cx| cx.new(|_| tab.clone()),
2908 )
2909 .drag_over::<DraggedTab>(move |tab, dragged_tab: &DraggedTab, _, cx| {
2910 let mut styled_tab = tab
2911 .bg(cx.theme().colors().drop_target_background)
2912 .border_color(cx.theme().colors().drop_target_border)
2913 .border_0();
2914
2915 if ix < dragged_tab.ix {
2916 styled_tab = styled_tab.border_l_2();
2917 } else if ix > dragged_tab.ix {
2918 styled_tab = styled_tab.border_r_2();
2919 }
2920
2921 styled_tab
2922 })
2923 .drag_over::<DraggedSelection>(|tab, _, _, cx| {
2924 tab.bg(cx.theme().colors().drop_target_background)
2925 })
2926 .when_some(self.can_drop_predicate.clone(), |this, p| {
2927 this.can_drop(move |a, window, cx| p(a, window, cx))
2928 })
2929 .on_drop(
2930 cx.listener(move |this, dragged_tab: &DraggedTab, window, cx| {
2931 this.drag_split_direction = None;
2932 this.handle_tab_drop(dragged_tab, ix, false, window, cx)
2933 }),
2934 )
2935 .on_drop(
2936 cx.listener(move |this, selection: &DraggedSelection, window, cx| {
2937 this.drag_split_direction = None;
2938 this.handle_dragged_selection_drop(selection, Some(ix), window, cx)
2939 }),
2940 )
2941 .on_drop(cx.listener(move |this, paths, window, cx| {
2942 this.drag_split_direction = None;
2943 this.handle_external_paths_drop(paths, window, cx)
2944 }))
2945 .start_slot::<Indicator>(indicator)
2946 .map(|this| {
2947 let end_slot_action: &'static dyn Action;
2948 let end_slot_tooltip_text: &'static str;
2949 let end_slot = if is_pinned {
2950 end_slot_action = &TogglePinTab;
2951 end_slot_tooltip_text = "Unpin Tab";
2952 IconButton::new("unpin tab", IconName::Pin)
2953 .shape(IconButtonShape::Square)
2954 .icon_color(Color::Muted)
2955 .size(ButtonSize::None)
2956 .icon_size(IconSize::Small)
2957 .on_click(cx.listener(move |pane, _, window, cx| {
2958 pane.unpin_tab_at(ix, window, cx);
2959 }))
2960 } else {
2961 end_slot_action = &CloseActiveItem {
2962 save_intent: None,
2963 close_pinned: false,
2964 };
2965 end_slot_tooltip_text = "Close Tab";
2966 match show_close_button {
2967 ShowCloseButton::Always => IconButton::new("close tab", IconName::Close),
2968 ShowCloseButton::Hover => {
2969 IconButton::new("close tab", IconName::Close).visible_on_hover("")
2970 }
2971 ShowCloseButton::Hidden => return this,
2972 }
2973 .shape(IconButtonShape::Square)
2974 .icon_color(Color::Muted)
2975 .size(ButtonSize::None)
2976 .icon_size(IconSize::Small)
2977 .on_click(cx.listener(move |pane, _, window, cx| {
2978 pane.close_item_by_id(item_id, SaveIntent::Close, window, cx)
2979 .detach_and_log_err(cx);
2980 }))
2981 }
2982 .map(|this| {
2983 if is_active {
2984 let focus_handle = focus_handle.clone();
2985 this.tooltip(move |window, cx| {
2986 Tooltip::for_action_in(
2987 end_slot_tooltip_text,
2988 end_slot_action,
2989 &window.focused(cx).unwrap_or_else(|| focus_handle.clone()),
2990 cx,
2991 )
2992 })
2993 } else {
2994 this.tooltip(Tooltip::text(end_slot_tooltip_text))
2995 }
2996 });
2997 this.end_slot(end_slot)
2998 })
2999 .child(
3000 h_flex()
3001 .id(("pane-tab-content", ix))
3002 .gap_1()
3003 .children(if let Some(decorated_icon) = decorated_icon {
3004 Some(decorated_icon.into_any_element())
3005 } else if let Some(icon) = icon {
3006 Some(icon.into_any_element())
3007 } else if !capability.editable() {
3008 Some(read_only_toggle(capability == Capability::Read).into_any_element())
3009 } else {
3010 None
3011 })
3012 .child(label)
3013 .map(|this| match tab_tooltip_content {
3014 Some(TabTooltipContent::Text(text)) => {
3015 if capability.editable() {
3016 this.tooltip(Tooltip::text(text))
3017 } else {
3018 this.tooltip(move |_, cx| {
3019 let text = text.clone();
3020 Tooltip::with_meta(text, None, "Read-Only File", cx)
3021 })
3022 }
3023 }
3024 Some(TabTooltipContent::Custom(element_fn)) => {
3025 this.tooltip(move |window, cx| element_fn(window, cx))
3026 }
3027 None => this,
3028 })
3029 .when(capability == Capability::Read && has_file_icon, |this| {
3030 this.child(read_only_toggle(true))
3031 }),
3032 );
3033
3034 let single_entry_to_resolve = (self.items[ix].buffer_kind(cx) == ItemBufferKind::Singleton)
3035 .then(|| self.items[ix].project_entry_ids(cx).get(0).copied())
3036 .flatten();
3037
3038 let total_items = self.items.len();
3039 let has_multibuffer_items = self
3040 .items
3041 .iter()
3042 .any(|item| item.buffer_kind(cx) == ItemBufferKind::Multibuffer);
3043 let has_items_to_left = ix > 0;
3044 let has_items_to_right = ix < total_items - 1;
3045 let has_clean_items = self.items.iter().any(|item| !item.is_dirty(cx));
3046 let is_pinned = self.is_tab_pinned(ix);
3047
3048 let pane = cx.entity().downgrade();
3049 let menu_context = item.item_focus_handle(cx);
3050 let item_handle = item.boxed_clone();
3051
3052 right_click_menu(ix)
3053 .trigger(|_, _, _| tab)
3054 .menu(move |window, cx| {
3055 let pane = pane.clone();
3056 let menu_context = menu_context.clone();
3057 let extra_actions = item_handle.tab_extra_context_menu_actions(window, cx);
3058 ContextMenu::build(window, cx, move |mut menu, window, cx| {
3059 let close_active_item_action = CloseActiveItem {
3060 save_intent: None,
3061 close_pinned: true,
3062 };
3063 let close_inactive_items_action = CloseOtherItems {
3064 save_intent: None,
3065 close_pinned: false,
3066 };
3067 let close_multibuffers_action = CloseMultibufferItems {
3068 save_intent: None,
3069 close_pinned: false,
3070 };
3071 let close_items_to_the_left_action = CloseItemsToTheLeft {
3072 close_pinned: false,
3073 };
3074 let close_items_to_the_right_action = CloseItemsToTheRight {
3075 close_pinned: false,
3076 };
3077 let close_clean_items_action = CloseCleanItems {
3078 close_pinned: false,
3079 };
3080 let close_all_items_action = CloseAllItems {
3081 save_intent: None,
3082 close_pinned: false,
3083 };
3084 if let Some(pane) = pane.upgrade() {
3085 menu = menu
3086 .entry(
3087 "Close",
3088 Some(Box::new(close_active_item_action)),
3089 window.handler_for(&pane, move |pane, window, cx| {
3090 pane.close_item_by_id(item_id, SaveIntent::Close, window, cx)
3091 .detach_and_log_err(cx);
3092 }),
3093 )
3094 .item(ContextMenuItem::Entry(
3095 ContextMenuEntry::new("Close Others")
3096 .action(Box::new(close_inactive_items_action.clone()))
3097 .disabled(total_items == 1)
3098 .handler(window.handler_for(&pane, move |pane, window, cx| {
3099 pane.close_other_items(
3100 &close_inactive_items_action,
3101 Some(item_id),
3102 window,
3103 cx,
3104 )
3105 .detach_and_log_err(cx);
3106 })),
3107 ))
3108 // We make this optional, instead of using disabled as to not overwhelm the context menu unnecessarily
3109 .extend(has_multibuffer_items.then(|| {
3110 ContextMenuItem::Entry(
3111 ContextMenuEntry::new("Close Multibuffers")
3112 .action(Box::new(close_multibuffers_action.clone()))
3113 .handler(window.handler_for(
3114 &pane,
3115 move |pane, window, cx| {
3116 pane.close_multibuffer_items(
3117 &close_multibuffers_action,
3118 window,
3119 cx,
3120 )
3121 .detach_and_log_err(cx);
3122 },
3123 )),
3124 )
3125 }))
3126 .separator()
3127 .item(ContextMenuItem::Entry(
3128 ContextMenuEntry::new("Close Left")
3129 .action(Box::new(close_items_to_the_left_action.clone()))
3130 .disabled(!has_items_to_left)
3131 .handler(window.handler_for(&pane, move |pane, window, cx| {
3132 pane.close_items_to_the_left_by_id(
3133 Some(item_id),
3134 &close_items_to_the_left_action,
3135 window,
3136 cx,
3137 )
3138 .detach_and_log_err(cx);
3139 })),
3140 ))
3141 .item(ContextMenuItem::Entry(
3142 ContextMenuEntry::new("Close Right")
3143 .action(Box::new(close_items_to_the_right_action.clone()))
3144 .disabled(!has_items_to_right)
3145 .handler(window.handler_for(&pane, move |pane, window, cx| {
3146 pane.close_items_to_the_right_by_id(
3147 Some(item_id),
3148 &close_items_to_the_right_action,
3149 window,
3150 cx,
3151 )
3152 .detach_and_log_err(cx);
3153 })),
3154 ))
3155 .separator()
3156 .item(ContextMenuItem::Entry(
3157 ContextMenuEntry::new("Close Clean")
3158 .action(Box::new(close_clean_items_action.clone()))
3159 .disabled(!has_clean_items)
3160 .handler(window.handler_for(&pane, move |pane, window, cx| {
3161 pane.close_clean_items(
3162 &close_clean_items_action,
3163 window,
3164 cx,
3165 )
3166 .detach_and_log_err(cx)
3167 })),
3168 ))
3169 .entry(
3170 "Close All",
3171 Some(Box::new(close_all_items_action.clone())),
3172 window.handler_for(&pane, move |pane, window, cx| {
3173 pane.close_all_items(&close_all_items_action, window, cx)
3174 .detach_and_log_err(cx)
3175 }),
3176 );
3177
3178 let pin_tab_entries = |menu: ContextMenu| {
3179 menu.separator().map(|this| {
3180 if is_pinned {
3181 this.entry(
3182 "Unpin Tab",
3183 Some(TogglePinTab.boxed_clone()),
3184 window.handler_for(&pane, move |pane, window, cx| {
3185 pane.unpin_tab_at(ix, window, cx);
3186 }),
3187 )
3188 } else {
3189 this.entry(
3190 "Pin Tab",
3191 Some(TogglePinTab.boxed_clone()),
3192 window.handler_for(&pane, move |pane, window, cx| {
3193 pane.pin_tab_at(ix, window, cx);
3194 }),
3195 )
3196 }
3197 })
3198 };
3199
3200 if capability != Capability::ReadOnly {
3201 let read_only_label = if capability.editable() {
3202 "Make File Read-Only"
3203 } else {
3204 "Make File Editable"
3205 };
3206 menu = menu.separator().entry(
3207 read_only_label,
3208 None,
3209 window.handler_for(&pane, move |pane, window, cx| {
3210 if let Some(item) = pane.item_for_index(ix) {
3211 item.toggle_read_only(window, cx);
3212 }
3213 }),
3214 );
3215 }
3216
3217 if let Some(entry) = single_entry_to_resolve {
3218 let project_path = pane
3219 .read(cx)
3220 .item_for_entry(entry, cx)
3221 .and_then(|item| item.project_path(cx));
3222 let worktree = project_path.as_ref().and_then(|project_path| {
3223 pane.read(cx)
3224 .project
3225 .upgrade()?
3226 .read(cx)
3227 .worktree_for_id(project_path.worktree_id, cx)
3228 });
3229 let has_relative_path = worktree.as_ref().is_some_and(|worktree| {
3230 worktree
3231 .read(cx)
3232 .root_entry()
3233 .is_some_and(|entry| entry.is_dir())
3234 });
3235
3236 let entry_abs_path = pane.read(cx).entry_abs_path(entry, cx);
3237 let reveal_path = entry_abs_path.clone();
3238 let parent_abs_path = entry_abs_path
3239 .as_deref()
3240 .and_then(|abs_path| Some(abs_path.parent()?.to_path_buf()));
3241 let relative_path = project_path
3242 .map(|project_path| project_path.path)
3243 .filter(|_| has_relative_path);
3244
3245 let visible_in_project_panel = relative_path.is_some()
3246 && worktree.is_some_and(|worktree| worktree.read(cx).is_visible());
3247 let is_local = pane.read(cx).project.upgrade().is_some_and(|project| {
3248 let project = project.read(cx);
3249 project.is_local() || project.is_via_wsl_with_host_interop(cx)
3250 });
3251 let is_remote = pane
3252 .read(cx)
3253 .project
3254 .upgrade()
3255 .is_some_and(|project| project.read(cx).is_remote());
3256
3257 let entry_id = entry.to_proto();
3258
3259 menu = menu
3260 .separator()
3261 .when_some(entry_abs_path, |menu, abs_path| {
3262 menu.entry(
3263 "Copy Path",
3264 Some(Box::new(zed_actions::workspace::CopyPath)),
3265 window.handler_for(&pane, move |_, _, cx| {
3266 cx.write_to_clipboard(ClipboardItem::new_string(
3267 abs_path.to_string_lossy().into_owned(),
3268 ));
3269 }),
3270 )
3271 })
3272 .when_some(relative_path, |menu, relative_path| {
3273 menu.entry(
3274 "Copy Relative Path",
3275 Some(Box::new(zed_actions::workspace::CopyRelativePath)),
3276 window.handler_for(&pane, move |this, _, cx| {
3277 let Some(project) = this.project.upgrade() else {
3278 return;
3279 };
3280 let path_style = project
3281 .update(cx, |project, cx| project.path_style(cx));
3282 cx.write_to_clipboard(ClipboardItem::new_string(
3283 relative_path.display(path_style).to_string(),
3284 ));
3285 }),
3286 )
3287 })
3288 .when(is_local, |menu| {
3289 menu.when_some(reveal_path, |menu, reveal_path| {
3290 menu.separator().entry(
3291 ui::utils::reveal_in_file_manager_label(is_remote),
3292 Some(Box::new(
3293 zed_actions::editor::RevealInFileManager,
3294 )),
3295 window.handler_for(&pane, move |pane, _, cx| {
3296 if let Some(project) = pane.project.upgrade() {
3297 project.update(cx, |project, cx| {
3298 project.reveal_path(&reveal_path, cx);
3299 });
3300 } else {
3301 cx.reveal_path(&reveal_path);
3302 }
3303 }),
3304 )
3305 })
3306 })
3307 .map(pin_tab_entries)
3308 .when(visible_in_project_panel, |menu| {
3309 menu.entry(
3310 "Reveal In Project Panel",
3311 Some(Box::new(RevealInProjectPanel::default())),
3312 window.handler_for(&pane, move |pane, _, cx| {
3313 pane.project
3314 .update(cx, |_, cx| {
3315 cx.emit(project::Event::RevealInProjectPanel(
3316 ProjectEntryId::from_proto(entry_id),
3317 ))
3318 })
3319 .ok();
3320 }),
3321 )
3322 })
3323 .when_some(parent_abs_path, |menu, parent_abs_path| {
3324 menu.entry(
3325 "Open in Terminal",
3326 Some(Box::new(OpenInTerminal)),
3327 window.handler_for(&pane, move |_, window, cx| {
3328 window.dispatch_action(
3329 OpenTerminal {
3330 working_directory: parent_abs_path.clone(),
3331 local: false,
3332 }
3333 .boxed_clone(),
3334 cx,
3335 );
3336 }),
3337 )
3338 });
3339 } else {
3340 menu = menu.map(pin_tab_entries);
3341 }
3342 };
3343
3344 // Add custom item-specific actions
3345 if !extra_actions.is_empty() {
3346 menu = menu.separator();
3347 for (label, action) in extra_actions {
3348 menu = menu.action(label, action);
3349 }
3350 }
3351
3352 menu.context(menu_context)
3353 })
3354 })
3355 }
3356
3357 fn render_tab_bar(&mut self, window: &mut Window, cx: &mut Context<Pane>) -> AnyElement {
3358 if self.workspace.upgrade().is_none() {
3359 return gpui::Empty.into_any();
3360 }
3361
3362 let focus_handle = self.focus_handle.clone();
3363
3364 let navigate_backward = IconButton::new("navigate_backward", IconName::ArrowLeft)
3365 .icon_size(IconSize::Small)
3366 .on_click({
3367 let entity = cx.entity();
3368 move |_, window, cx| {
3369 entity.update(cx, |pane, cx| {
3370 pane.navigate_backward(&Default::default(), window, cx)
3371 })
3372 }
3373 })
3374 .disabled(!self.can_navigate_backward())
3375 .tooltip({
3376 let focus_handle = focus_handle.clone();
3377 move |window, cx| {
3378 Tooltip::for_action_in(
3379 "Go Back",
3380 &GoBack,
3381 &window.focused(cx).unwrap_or_else(|| focus_handle.clone()),
3382 cx,
3383 )
3384 }
3385 });
3386
3387 let navigate_forward = IconButton::new("navigate_forward", IconName::ArrowRight)
3388 .icon_size(IconSize::Small)
3389 .on_click({
3390 let entity = cx.entity();
3391 move |_, window, cx| {
3392 entity.update(cx, |pane, cx| {
3393 pane.navigate_forward(&Default::default(), window, cx)
3394 })
3395 }
3396 })
3397 .disabled(!self.can_navigate_forward())
3398 .tooltip({
3399 let focus_handle = focus_handle.clone();
3400 move |window, cx| {
3401 Tooltip::for_action_in(
3402 "Go Forward",
3403 &GoForward,
3404 &window.focused(cx).unwrap_or_else(|| focus_handle.clone()),
3405 cx,
3406 )
3407 }
3408 });
3409
3410 let mut tab_items = self
3411 .items
3412 .iter()
3413 .enumerate()
3414 .zip(tab_details(&self.items, window, cx))
3415 .map(|((ix, item), detail)| {
3416 self.render_tab(ix, &**item, detail, &focus_handle, window, cx)
3417 .into_any_element()
3418 })
3419 .collect::<Vec<_>>();
3420 let tab_count = tab_items.len();
3421 if self.is_tab_pinned(tab_count) {
3422 log::warn!(
3423 "Pinned tab count ({}) exceeds actual tab count ({}). \
3424 This should not happen. If possible, add reproduction steps, \
3425 in a comment, to https://github.com/zed-industries/zed/issues/33342",
3426 self.pinned_tab_count,
3427 tab_count
3428 );
3429 self.pinned_tab_count = tab_count;
3430 }
3431 let unpinned_tabs = tab_items.split_off(self.pinned_tab_count);
3432 let pinned_tabs = tab_items;
3433
3434 let tab_bar_settings = TabBarSettings::get_global(cx);
3435 let use_separate_rows = tab_bar_settings.show_pinned_tabs_in_separate_row;
3436
3437 if use_separate_rows && !pinned_tabs.is_empty() && !unpinned_tabs.is_empty() {
3438 self.render_two_row_tab_bar(
3439 pinned_tabs,
3440 unpinned_tabs,
3441 tab_count,
3442 navigate_backward,
3443 navigate_forward,
3444 window,
3445 cx,
3446 )
3447 } else {
3448 self.render_single_row_tab_bar(
3449 pinned_tabs,
3450 unpinned_tabs,
3451 tab_count,
3452 navigate_backward,
3453 navigate_forward,
3454 window,
3455 cx,
3456 )
3457 }
3458 }
3459
3460 fn configure_tab_bar_start(
3461 &mut self,
3462 tab_bar: TabBar,
3463 navigate_backward: IconButton,
3464 navigate_forward: IconButton,
3465 window: &mut Window,
3466 cx: &mut Context<Pane>,
3467 ) -> TabBar {
3468 tab_bar
3469 .when(
3470 self.display_nav_history_buttons.unwrap_or_default(),
3471 |tab_bar| {
3472 tab_bar
3473 .start_child(navigate_backward)
3474 .start_child(navigate_forward)
3475 },
3476 )
3477 .map(|tab_bar| {
3478 if self.show_tab_bar_buttons {
3479 let render_tab_buttons = self.render_tab_bar_buttons.clone();
3480 let (left_children, right_children) = render_tab_buttons(self, window, cx);
3481 tab_bar
3482 .start_children(left_children)
3483 .end_children(right_children)
3484 } else {
3485 tab_bar
3486 }
3487 })
3488 }
3489
3490 fn render_single_row_tab_bar(
3491 &mut self,
3492 pinned_tabs: Vec<AnyElement>,
3493 unpinned_tabs: Vec<AnyElement>,
3494 tab_count: usize,
3495 navigate_backward: IconButton,
3496 navigate_forward: IconButton,
3497 window: &mut Window,
3498 cx: &mut Context<Pane>,
3499 ) -> AnyElement {
3500 let tab_bar = self
3501 .configure_tab_bar_start(
3502 TabBar::new("tab_bar"),
3503 navigate_backward,
3504 navigate_forward,
3505 window,
3506 cx,
3507 )
3508 .children(pinned_tabs.len().ne(&0).then(|| {
3509 let max_scroll = self.tab_bar_scroll_handle.max_offset().x;
3510 // We need to check both because offset returns delta values even when the scroll handle is not scrollable
3511 let is_scrolled = self.tab_bar_scroll_handle.offset().x < px(0.);
3512 // Avoid flickering when max_offset is very small (< 2px).
3513 // The border adds 1-2px which can push max_offset back to 0, creating a loop.
3514 let is_scrollable = max_scroll > px(2.0);
3515 let has_active_unpinned_tab = self.active_item_index >= self.pinned_tab_count;
3516 h_flex()
3517 .children(pinned_tabs)
3518 .when(is_scrollable && is_scrolled, |this| {
3519 this.when(has_active_unpinned_tab, |this| this.border_r_2())
3520 .when(!has_active_unpinned_tab, |this| this.border_r_1())
3521 .border_color(cx.theme().colors().border)
3522 })
3523 }))
3524 .child(self.render_unpinned_tabs_container(unpinned_tabs, tab_count, cx));
3525 tab_bar.into_any_element()
3526 }
3527
3528 fn render_two_row_tab_bar(
3529 &mut self,
3530 pinned_tabs: Vec<AnyElement>,
3531 unpinned_tabs: Vec<AnyElement>,
3532 tab_count: usize,
3533 navigate_backward: IconButton,
3534 navigate_forward: IconButton,
3535 window: &mut Window,
3536 cx: &mut Context<Pane>,
3537 ) -> AnyElement {
3538 let pinned_tab_bar = self
3539 .configure_tab_bar_start(
3540 TabBar::new("pinned_tab_bar"),
3541 navigate_backward,
3542 navigate_forward,
3543 window,
3544 cx,
3545 )
3546 .child(
3547 h_flex()
3548 .id("pinned_tabs_row")
3549 .debug_selector(|| "pinned_tabs_row".into())
3550 .overflow_x_scroll()
3551 .w_full()
3552 .children(pinned_tabs)
3553 .child(self.render_pinned_tab_bar_drop_target(cx)),
3554 );
3555 v_flex()
3556 .w_full()
3557 .flex_none()
3558 .child(pinned_tab_bar)
3559 .child(
3560 TabBar::new("unpinned_tab_bar").child(self.render_unpinned_tabs_container(
3561 unpinned_tabs,
3562 tab_count,
3563 cx,
3564 )),
3565 )
3566 .into_any_element()
3567 }
3568
3569 fn render_unpinned_tabs_container(
3570 &mut self,
3571 unpinned_tabs: Vec<AnyElement>,
3572 tab_count: usize,
3573 cx: &mut Context<Pane>,
3574 ) -> impl IntoElement {
3575 h_flex()
3576 .id("unpinned tabs")
3577 .overflow_x_scroll()
3578 .w_full()
3579 .track_scroll(&self.tab_bar_scroll_handle)
3580 .on_scroll_wheel(cx.listener(|this, _, _, _| {
3581 this.suppress_scroll = true;
3582 }))
3583 .children(unpinned_tabs)
3584 .child(self.render_tab_bar_drop_target(tab_count, cx))
3585 }
3586
3587 fn render_tab_bar_drop_target(
3588 &self,
3589 tab_count: usize,
3590 cx: &mut Context<Pane>,
3591 ) -> impl IntoElement {
3592 div()
3593 .id("tab_bar_drop_target")
3594 .min_w_6()
3595 .h(Tab::container_height(cx))
3596 .flex_grow()
3597 // HACK: This empty child is currently necessary to force the drop target to appear
3598 // despite us setting a min width above.
3599 .child("")
3600 .drag_over::<DraggedTab>(|bar, _, _, cx| {
3601 bar.bg(cx.theme().colors().drop_target_background)
3602 })
3603 .drag_over::<DraggedSelection>(|bar, _, _, cx| {
3604 bar.bg(cx.theme().colors().drop_target_background)
3605 })
3606 .on_drop(
3607 cx.listener(move |this, dragged_tab: &DraggedTab, window, cx| {
3608 this.drag_split_direction = None;
3609 this.handle_tab_drop(dragged_tab, this.items.len(), false, window, cx)
3610 }),
3611 )
3612 .on_drop(
3613 cx.listener(move |this, selection: &DraggedSelection, window, cx| {
3614 this.drag_split_direction = None;
3615 this.handle_project_entry_drop(
3616 &selection.active_selection.entry_id,
3617 Some(tab_count),
3618 window,
3619 cx,
3620 )
3621 }),
3622 )
3623 .on_drop(cx.listener(move |this, paths, window, cx| {
3624 this.drag_split_direction = None;
3625 this.handle_external_paths_drop(paths, window, cx)
3626 }))
3627 .on_click(cx.listener(move |this, event: &ClickEvent, window, cx| {
3628 if event.click_count() == 2 {
3629 window.dispatch_action(this.double_click_dispatch_action.boxed_clone(), cx);
3630 }
3631 }))
3632 }
3633
3634 fn render_pinned_tab_bar_drop_target(&self, cx: &mut Context<Pane>) -> impl IntoElement {
3635 div()
3636 .id("pinned_tabs_border")
3637 .debug_selector(|| "pinned_tabs_border".into())
3638 .min_w_6()
3639 .h(Tab::container_height(cx))
3640 .flex_grow()
3641 .border_l_1()
3642 .border_color(cx.theme().colors().border)
3643 // HACK: This empty child is currently necessary to force the drop target to appear
3644 // despite us setting a min width above.
3645 .child("")
3646 .drag_over::<DraggedTab>(|bar, _, _, cx| {
3647 bar.bg(cx.theme().colors().drop_target_background)
3648 })
3649 .drag_over::<DraggedSelection>(|bar, _, _, cx| {
3650 bar.bg(cx.theme().colors().drop_target_background)
3651 })
3652 .on_drop(
3653 cx.listener(move |this, dragged_tab: &DraggedTab, window, cx| {
3654 this.drag_split_direction = None;
3655 this.handle_pinned_tab_bar_drop(dragged_tab, window, cx)
3656 }),
3657 )
3658 .on_drop(
3659 cx.listener(move |this, selection: &DraggedSelection, window, cx| {
3660 this.drag_split_direction = None;
3661 this.handle_project_entry_drop(
3662 &selection.active_selection.entry_id,
3663 Some(this.pinned_tab_count),
3664 window,
3665 cx,
3666 )
3667 }),
3668 )
3669 .on_drop(cx.listener(move |this, paths, window, cx| {
3670 this.drag_split_direction = None;
3671 this.handle_external_paths_drop(paths, window, cx)
3672 }))
3673 }
3674
3675 pub fn render_menu_overlay(menu: &Entity<ContextMenu>) -> Div {
3676 div().absolute().bottom_0().right_0().size_0().child(
3677 deferred(anchored().anchor(Corner::TopRight).child(menu.clone())).with_priority(1),
3678 )
3679 }
3680
3681 pub fn set_zoomed(&mut self, zoomed: bool, cx: &mut Context<Self>) {
3682 self.zoomed = zoomed;
3683 cx.notify();
3684 }
3685
3686 pub fn is_zoomed(&self) -> bool {
3687 self.zoomed
3688 }
3689
3690 fn handle_drag_move<T: 'static>(
3691 &mut self,
3692 event: &DragMoveEvent<T>,
3693 window: &mut Window,
3694 cx: &mut Context<Self>,
3695 ) {
3696 let can_split_predicate = self.can_split_predicate.take();
3697 let can_split = match &can_split_predicate {
3698 Some(can_split_predicate) => {
3699 can_split_predicate(self, event.dragged_item(), window, cx)
3700 }
3701 None => false,
3702 };
3703 self.can_split_predicate = can_split_predicate;
3704 if !can_split {
3705 return;
3706 }
3707
3708 let rect = event.bounds.size;
3709
3710 let size = event.bounds.size.width.min(event.bounds.size.height)
3711 * WorkspaceSettings::get_global(cx).drop_target_size;
3712
3713 let relative_cursor = Point::new(
3714 event.event.position.x - event.bounds.left(),
3715 event.event.position.y - event.bounds.top(),
3716 );
3717
3718 let direction = if relative_cursor.x < size
3719 || relative_cursor.x > rect.width - size
3720 || relative_cursor.y < size
3721 || relative_cursor.y > rect.height - size
3722 {
3723 [
3724 SplitDirection::Up,
3725 SplitDirection::Right,
3726 SplitDirection::Down,
3727 SplitDirection::Left,
3728 ]
3729 .iter()
3730 .min_by_key(|side| match side {
3731 SplitDirection::Up => relative_cursor.y,
3732 SplitDirection::Right => rect.width - relative_cursor.x,
3733 SplitDirection::Down => rect.height - relative_cursor.y,
3734 SplitDirection::Left => relative_cursor.x,
3735 })
3736 .cloned()
3737 } else {
3738 None
3739 };
3740
3741 if direction != self.drag_split_direction {
3742 self.drag_split_direction = direction;
3743 }
3744 }
3745
3746 pub fn handle_tab_drop(
3747 &mut self,
3748 dragged_tab: &DraggedTab,
3749 ix: usize,
3750 is_pane_target: bool,
3751 window: &mut Window,
3752 cx: &mut Context<Self>,
3753 ) {
3754 if is_pane_target
3755 && ix == self.active_item_index
3756 && let Some(active_item) = self.active_item()
3757 && active_item.handle_drop(self, dragged_tab, window, cx)
3758 {
3759 return;
3760 }
3761
3762 let mut to_pane = cx.entity();
3763 let split_direction = self.drag_split_direction;
3764 let item_id = dragged_tab.item.item_id();
3765 self.unpreview_item_if_preview(item_id);
3766
3767 let is_clone = cfg!(target_os = "macos") && window.modifiers().alt
3768 || cfg!(not(target_os = "macos")) && window.modifiers().control;
3769
3770 let from_pane = dragged_tab.pane.clone();
3771
3772 self.workspace
3773 .update(cx, |_, cx| {
3774 cx.defer_in(window, move |workspace, window, cx| {
3775 if let Some(split_direction) = split_direction {
3776 to_pane = workspace.split_pane(to_pane, split_direction, window, cx);
3777 }
3778 let database_id = workspace.database_id();
3779 let was_pinned_in_from_pane = from_pane.read_with(cx, |pane, _| {
3780 pane.index_for_item_id(item_id)
3781 .is_some_and(|ix| pane.is_tab_pinned(ix))
3782 });
3783 let to_pane_old_length = to_pane.read(cx).items.len();
3784 if is_clone {
3785 let Some(item) = from_pane
3786 .read(cx)
3787 .items()
3788 .find(|item| item.item_id() == item_id)
3789 .cloned()
3790 else {
3791 return;
3792 };
3793 if item.can_split(cx) {
3794 let task = item.clone_on_split(database_id, window, cx);
3795 let to_pane = to_pane.downgrade();
3796 cx.spawn_in(window, async move |_, cx| {
3797 if let Some(item) = task.await {
3798 to_pane
3799 .update_in(cx, |pane, window, cx| {
3800 pane.add_item(item, true, true, None, window, cx)
3801 })
3802 .ok();
3803 }
3804 })
3805 .detach();
3806 } else {
3807 move_item(&from_pane, &to_pane, item_id, ix, true, window, cx);
3808 }
3809 } else {
3810 move_item(&from_pane, &to_pane, item_id, ix, true, window, cx);
3811 }
3812 to_pane.update(cx, |this, _| {
3813 if to_pane == from_pane {
3814 let actual_ix = this
3815 .items
3816 .iter()
3817 .position(|item| item.item_id() == item_id)
3818 .unwrap_or(0);
3819
3820 let is_pinned_in_to_pane = this.is_tab_pinned(actual_ix);
3821
3822 if !was_pinned_in_from_pane && is_pinned_in_to_pane {
3823 this.pinned_tab_count += 1;
3824 } else if was_pinned_in_from_pane && !is_pinned_in_to_pane {
3825 this.pinned_tab_count -= 1;
3826 }
3827 } else if this.items.len() >= to_pane_old_length {
3828 let is_pinned_in_to_pane = this.is_tab_pinned(ix);
3829 let item_created_pane = to_pane_old_length == 0;
3830 let is_first_position = ix == 0;
3831 let was_dropped_at_beginning = item_created_pane || is_first_position;
3832 let should_remain_pinned = is_pinned_in_to_pane
3833 || (was_pinned_in_from_pane && was_dropped_at_beginning);
3834
3835 if should_remain_pinned {
3836 this.pinned_tab_count += 1;
3837 }
3838 }
3839 });
3840 });
3841 })
3842 .log_err();
3843 }
3844
3845 fn handle_pinned_tab_bar_drop(
3846 &mut self,
3847 dragged_tab: &DraggedTab,
3848 window: &mut Window,
3849 cx: &mut Context<Self>,
3850 ) {
3851 let item_id = dragged_tab.item.item_id();
3852 let pinned_count = self.pinned_tab_count;
3853
3854 self.handle_tab_drop(dragged_tab, pinned_count, false, window, cx);
3855
3856 let to_pane = cx.entity();
3857
3858 self.workspace
3859 .update(cx, |_, cx| {
3860 cx.defer_in(window, move |_, _, cx| {
3861 to_pane.update(cx, |this, cx| {
3862 if let Some(actual_ix) = this.index_for_item_id(item_id) {
3863 // If the tab ended up at or after pinned_tab_count, it's not pinned
3864 // so we pin it now
3865 if actual_ix >= this.pinned_tab_count {
3866 let was_active = this.active_item_index == actual_ix;
3867 let destination_ix = this.pinned_tab_count;
3868
3869 // Move item to pinned area if needed
3870 if actual_ix != destination_ix {
3871 let item = this.items.remove(actual_ix);
3872 this.items.insert(destination_ix, item);
3873
3874 // Update active_item_index to follow the moved item
3875 if was_active {
3876 this.active_item_index = destination_ix;
3877 } else if this.active_item_index > actual_ix
3878 && this.active_item_index <= destination_ix
3879 {
3880 // Item moved left past the active item
3881 this.active_item_index -= 1;
3882 } else if this.active_item_index >= destination_ix
3883 && this.active_item_index < actual_ix
3884 {
3885 // Item moved right past the active item
3886 this.active_item_index += 1;
3887 }
3888 }
3889 this.pinned_tab_count += 1;
3890 cx.notify();
3891 }
3892 }
3893 });
3894 });
3895 })
3896 .log_err();
3897 }
3898
3899 fn handle_dragged_selection_drop(
3900 &mut self,
3901 dragged_selection: &DraggedSelection,
3902 dragged_onto: Option<usize>,
3903 window: &mut Window,
3904 cx: &mut Context<Self>,
3905 ) {
3906 if let Some(active_item) = self.active_item()
3907 && active_item.handle_drop(self, dragged_selection, window, cx)
3908 {
3909 return;
3910 }
3911
3912 self.handle_project_entry_drop(
3913 &dragged_selection.active_selection.entry_id,
3914 dragged_onto,
3915 window,
3916 cx,
3917 );
3918 }
3919
3920 fn handle_project_entry_drop(
3921 &mut self,
3922 project_entry_id: &ProjectEntryId,
3923 target: Option<usize>,
3924 window: &mut Window,
3925 cx: &mut Context<Self>,
3926 ) {
3927 if let Some(active_item) = self.active_item()
3928 && active_item.handle_drop(self, project_entry_id, window, cx)
3929 {
3930 return;
3931 }
3932
3933 let mut to_pane = cx.entity();
3934 let split_direction = self.drag_split_direction;
3935 let project_entry_id = *project_entry_id;
3936 self.workspace
3937 .update(cx, |_, cx| {
3938 cx.defer_in(window, move |workspace, window, cx| {
3939 if let Some(project_path) = workspace
3940 .project()
3941 .read(cx)
3942 .path_for_entry(project_entry_id, cx)
3943 {
3944 let load_path_task = workspace.load_path(project_path.clone(), window, cx);
3945 cx.spawn_in(window, async move |workspace, mut cx| {
3946 if let Some((project_entry_id, build_item)) = load_path_task
3947 .await
3948 .notify_workspace_async_err(workspace.clone(), &mut cx)
3949 {
3950 let (to_pane, new_item_handle) = workspace
3951 .update_in(cx, |workspace, window, cx| {
3952 if let Some(split_direction) = split_direction {
3953 to_pane = workspace.split_pane(
3954 to_pane,
3955 split_direction,
3956 window,
3957 cx,
3958 );
3959 }
3960 let new_item_handle = to_pane.update(cx, |pane, cx| {
3961 pane.open_item(
3962 project_entry_id,
3963 project_path,
3964 true,
3965 false,
3966 true,
3967 target,
3968 window,
3969 cx,
3970 build_item,
3971 )
3972 });
3973 (to_pane, new_item_handle)
3974 })
3975 .log_err()?;
3976 to_pane
3977 .update_in(cx, |this, window, cx| {
3978 let Some(index) = this.index_for_item(&*new_item_handle)
3979 else {
3980 return;
3981 };
3982
3983 if target.is_some_and(|target| this.is_tab_pinned(target)) {
3984 this.pin_tab_at(index, window, cx);
3985 }
3986 })
3987 .ok()?
3988 }
3989 Some(())
3990 })
3991 .detach();
3992 };
3993 });
3994 })
3995 .log_err();
3996 }
3997
3998 fn handle_external_paths_drop(
3999 &mut self,
4000 paths: &ExternalPaths,
4001 window: &mut Window,
4002 cx: &mut Context<Self>,
4003 ) {
4004 if let Some(active_item) = self.active_item()
4005 && active_item.handle_drop(self, paths, window, cx)
4006 {
4007 return;
4008 }
4009
4010 let mut to_pane = cx.entity();
4011 let mut split_direction = self.drag_split_direction;
4012 let paths = paths.paths().to_vec();
4013 let is_remote = self
4014 .workspace
4015 .update(cx, |workspace, cx| {
4016 if workspace.project().read(cx).is_via_collab() {
4017 workspace.show_error(
4018 &anyhow::anyhow!("Cannot drop files on a remote project"),
4019 cx,
4020 );
4021 true
4022 } else {
4023 false
4024 }
4025 })
4026 .unwrap_or(true);
4027 if is_remote {
4028 return;
4029 }
4030
4031 self.workspace
4032 .update(cx, |workspace, cx| {
4033 let fs = Arc::clone(workspace.project().read(cx).fs());
4034 cx.spawn_in(window, async move |workspace, cx| {
4035 let mut is_file_checks = FuturesUnordered::new();
4036 for path in &paths {
4037 is_file_checks.push(fs.is_file(path))
4038 }
4039 let mut has_files_to_open = false;
4040 while let Some(is_file) = is_file_checks.next().await {
4041 if is_file {
4042 has_files_to_open = true;
4043 break;
4044 }
4045 }
4046 drop(is_file_checks);
4047 if !has_files_to_open {
4048 split_direction = None;
4049 }
4050
4051 if let Ok((open_task, to_pane)) =
4052 workspace.update_in(cx, |workspace, window, cx| {
4053 if let Some(split_direction) = split_direction {
4054 to_pane =
4055 workspace.split_pane(to_pane, split_direction, window, cx);
4056 }
4057 (
4058 workspace.open_paths(
4059 paths,
4060 OpenOptions {
4061 visible: Some(OpenVisible::OnlyDirectories),
4062 ..Default::default()
4063 },
4064 Some(to_pane.downgrade()),
4065 window,
4066 cx,
4067 ),
4068 to_pane,
4069 )
4070 })
4071 {
4072 let opened_items: Vec<_> = open_task.await;
4073 _ = workspace.update_in(cx, |workspace, window, cx| {
4074 for item in opened_items.into_iter().flatten() {
4075 if let Err(e) = item {
4076 workspace.show_error(&e, cx);
4077 }
4078 }
4079 if to_pane.read(cx).items_len() == 0 {
4080 workspace.remove_pane(to_pane, None, window, cx);
4081 }
4082 });
4083 }
4084 })
4085 .detach();
4086 })
4087 .log_err();
4088 }
4089
4090 pub fn display_nav_history_buttons(&mut self, display: Option<bool>) {
4091 self.display_nav_history_buttons = display;
4092 }
4093
4094 fn pinned_item_ids(&self) -> Vec<EntityId> {
4095 self.items
4096 .iter()
4097 .enumerate()
4098 .filter_map(|(index, item)| {
4099 if self.is_tab_pinned(index) {
4100 return Some(item.item_id());
4101 }
4102
4103 None
4104 })
4105 .collect()
4106 }
4107
4108 fn clean_item_ids(&self, cx: &mut Context<Pane>) -> Vec<EntityId> {
4109 self.items()
4110 .filter_map(|item| {
4111 if !item.is_dirty(cx) {
4112 return Some(item.item_id());
4113 }
4114
4115 None
4116 })
4117 .collect()
4118 }
4119
4120 fn to_the_side_item_ids(&self, item_id: EntityId, side: Side) -> Vec<EntityId> {
4121 match side {
4122 Side::Left => self
4123 .items()
4124 .take_while(|item| item.item_id() != item_id)
4125 .map(|item| item.item_id())
4126 .collect(),
4127 Side::Right => self
4128 .items()
4129 .rev()
4130 .take_while(|item| item.item_id() != item_id)
4131 .map(|item| item.item_id())
4132 .collect(),
4133 }
4134 }
4135
4136 fn multibuffer_item_ids(&self, cx: &mut Context<Pane>) -> Vec<EntityId> {
4137 self.items()
4138 .filter(|item| item.buffer_kind(cx) == ItemBufferKind::Multibuffer)
4139 .map(|item| item.item_id())
4140 .collect()
4141 }
4142
4143 pub fn drag_split_direction(&self) -> Option<SplitDirection> {
4144 self.drag_split_direction
4145 }
4146
4147 pub fn set_zoom_out_on_close(&mut self, zoom_out_on_close: bool) {
4148 self.zoom_out_on_close = zoom_out_on_close;
4149 }
4150}
4151
4152fn default_render_tab_bar_buttons(
4153 pane: &mut Pane,
4154 window: &mut Window,
4155 cx: &mut Context<Pane>,
4156) -> (Option<AnyElement>, Option<AnyElement>) {
4157 if !pane.has_focus(window, cx) && !pane.context_menu_focused(window, cx) {
4158 return (None, None);
4159 }
4160 let (can_clone, can_split_move) = match pane.active_item() {
4161 Some(active_item) if active_item.can_split(cx) => (true, false),
4162 Some(_) => (false, pane.items_len() > 1),
4163 None => (false, false),
4164 };
4165 // Ideally we would return a vec of elements here to pass directly to the [TabBar]'s
4166 // `end_slot`, but due to needing a view here that isn't possible.
4167 let right_children = h_flex()
4168 // Instead we need to replicate the spacing from the [TabBar]'s `end_slot` here.
4169 .gap(DynamicSpacing::Base04.rems(cx))
4170 .child(
4171 PopoverMenu::new("pane-tab-bar-popover-menu")
4172 .trigger_with_tooltip(
4173 IconButton::new("plus", IconName::Plus).icon_size(IconSize::Small),
4174 Tooltip::text("New..."),
4175 )
4176 .anchor(Corner::TopRight)
4177 .with_handle(pane.new_item_context_menu_handle.clone())
4178 .menu(move |window, cx| {
4179 Some(ContextMenu::build(window, cx, |menu, _, _| {
4180 menu.action("New File", NewFile.boxed_clone())
4181 .action("Open File", ToggleFileFinder::default().boxed_clone())
4182 .separator()
4183 .action(
4184 "Search Project",
4185 DeploySearch {
4186 replace_enabled: false,
4187 included_files: None,
4188 excluded_files: None,
4189 }
4190 .boxed_clone(),
4191 )
4192 .action("Search Symbols", ToggleProjectSymbols.boxed_clone())
4193 .separator()
4194 .action("New Terminal", NewTerminal::default().boxed_clone())
4195 }))
4196 }),
4197 )
4198 .child(
4199 PopoverMenu::new("pane-tab-bar-split")
4200 .trigger_with_tooltip(
4201 IconButton::new("split", IconName::Split)
4202 .icon_size(IconSize::Small)
4203 .disabled(!can_clone && !can_split_move),
4204 Tooltip::text("Split Pane"),
4205 )
4206 .anchor(Corner::TopRight)
4207 .with_handle(pane.split_item_context_menu_handle.clone())
4208 .menu(move |window, cx| {
4209 ContextMenu::build(window, cx, |menu, _, _| {
4210 let mode = SplitMode::MovePane;
4211 if can_split_move {
4212 menu.action("Split Right", SplitRight { mode }.boxed_clone())
4213 .action("Split Left", SplitLeft { mode }.boxed_clone())
4214 .action("Split Up", SplitUp { mode }.boxed_clone())
4215 .action("Split Down", SplitDown { mode }.boxed_clone())
4216 } else {
4217 menu.action("Split Right", SplitRight::default().boxed_clone())
4218 .action("Split Left", SplitLeft::default().boxed_clone())
4219 .action("Split Up", SplitUp::default().boxed_clone())
4220 .action("Split Down", SplitDown::default().boxed_clone())
4221 }
4222 })
4223 .into()
4224 }),
4225 )
4226 .child({
4227 let zoomed = pane.is_zoomed();
4228 IconButton::new("toggle_zoom", IconName::Maximize)
4229 .icon_size(IconSize::Small)
4230 .toggle_state(zoomed)
4231 .selected_icon(IconName::Minimize)
4232 .on_click(cx.listener(|pane, _, window, cx| {
4233 pane.toggle_zoom(&crate::ToggleZoom, window, cx);
4234 }))
4235 .tooltip(move |_window, cx| {
4236 Tooltip::for_action(
4237 if zoomed { "Zoom Out" } else { "Zoom In" },
4238 &ToggleZoom,
4239 cx,
4240 )
4241 })
4242 })
4243 .into_any_element()
4244 .into();
4245 (None, right_children)
4246}
4247
4248impl Focusable for Pane {
4249 fn focus_handle(&self, _cx: &App) -> FocusHandle {
4250 self.focus_handle.clone()
4251 }
4252}
4253
4254impl Render for Pane {
4255 fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
4256 let mut key_context = KeyContext::new_with_defaults();
4257 key_context.add("Pane");
4258 if self.active_item().is_none() {
4259 key_context.add("EmptyPane");
4260 }
4261
4262 self.toolbar
4263 .read(cx)
4264 .contribute_context(&mut key_context, cx);
4265
4266 let should_display_tab_bar = self.should_display_tab_bar.clone();
4267 let display_tab_bar = should_display_tab_bar(window, cx);
4268 let Some(project) = self.project.upgrade() else {
4269 return div().track_focus(&self.focus_handle(cx));
4270 };
4271 let is_local = project.read(cx).is_local();
4272
4273 v_flex()
4274 .key_context(key_context)
4275 .track_focus(&self.focus_handle(cx))
4276 .size_full()
4277 .flex_none()
4278 .overflow_hidden()
4279 .on_action(cx.listener(|pane, split: &SplitLeft, window, cx| {
4280 pane.split(SplitDirection::Left, split.mode, window, cx)
4281 }))
4282 .on_action(cx.listener(|pane, split: &SplitUp, window, cx| {
4283 pane.split(SplitDirection::Up, split.mode, window, cx)
4284 }))
4285 .on_action(cx.listener(|pane, split: &SplitHorizontal, window, cx| {
4286 pane.split(SplitDirection::horizontal(cx), split.mode, window, cx)
4287 }))
4288 .on_action(cx.listener(|pane, split: &SplitVertical, window, cx| {
4289 pane.split(SplitDirection::vertical(cx), split.mode, window, cx)
4290 }))
4291 .on_action(cx.listener(|pane, split: &SplitRight, window, cx| {
4292 pane.split(SplitDirection::Right, split.mode, window, cx)
4293 }))
4294 .on_action(cx.listener(|pane, split: &SplitDown, window, cx| {
4295 pane.split(SplitDirection::Down, split.mode, window, cx)
4296 }))
4297 .on_action(cx.listener(|pane, _: &SplitAndMoveUp, window, cx| {
4298 pane.split(SplitDirection::Up, SplitMode::MovePane, window, cx)
4299 }))
4300 .on_action(cx.listener(|pane, _: &SplitAndMoveDown, window, cx| {
4301 pane.split(SplitDirection::Down, SplitMode::MovePane, window, cx)
4302 }))
4303 .on_action(cx.listener(|pane, _: &SplitAndMoveLeft, window, cx| {
4304 pane.split(SplitDirection::Left, SplitMode::MovePane, window, cx)
4305 }))
4306 .on_action(cx.listener(|pane, _: &SplitAndMoveRight, window, cx| {
4307 pane.split(SplitDirection::Right, SplitMode::MovePane, window, cx)
4308 }))
4309 .on_action(cx.listener(|_, _: &JoinIntoNext, _, cx| {
4310 cx.emit(Event::JoinIntoNext);
4311 }))
4312 .on_action(cx.listener(|_, _: &JoinAll, _, cx| {
4313 cx.emit(Event::JoinAll);
4314 }))
4315 .on_action(cx.listener(Pane::toggle_zoom))
4316 .on_action(cx.listener(Pane::zoom_in))
4317 .on_action(cx.listener(Pane::zoom_out))
4318 .on_action(cx.listener(Self::navigate_backward))
4319 .on_action(cx.listener(Self::navigate_forward))
4320 .on_action(cx.listener(Self::go_to_older_tag))
4321 .on_action(cx.listener(Self::go_to_newer_tag))
4322 .on_action(
4323 cx.listener(|pane: &mut Pane, action: &ActivateItem, window, cx| {
4324 pane.activate_item(
4325 action.0.min(pane.items.len().saturating_sub(1)),
4326 true,
4327 true,
4328 window,
4329 cx,
4330 );
4331 }),
4332 )
4333 .on_action(cx.listener(Self::alternate_file))
4334 .on_action(cx.listener(Self::activate_last_item))
4335 .on_action(cx.listener(Self::activate_previous_item))
4336 .on_action(cx.listener(Self::activate_next_item))
4337 .on_action(cx.listener(Self::swap_item_left))
4338 .on_action(cx.listener(Self::swap_item_right))
4339 .on_action(cx.listener(Self::toggle_pin_tab))
4340 .on_action(cx.listener(Self::unpin_all_tabs))
4341 .when(PreviewTabsSettings::get_global(cx).enabled, |this| {
4342 this.on_action(
4343 cx.listener(|pane: &mut Pane, _: &TogglePreviewTab, window, cx| {
4344 if let Some(active_item_id) = pane.active_item().map(|i| i.item_id()) {
4345 if pane.is_active_preview_item(active_item_id) {
4346 pane.unpreview_item_if_preview(active_item_id);
4347 } else {
4348 pane.replace_preview_item_id(active_item_id, window, cx);
4349 }
4350 }
4351 }),
4352 )
4353 })
4354 .on_action(
4355 cx.listener(|pane: &mut Self, action: &CloseActiveItem, window, cx| {
4356 pane.close_active_item(action, window, cx)
4357 .detach_and_log_err(cx)
4358 }),
4359 )
4360 .on_action(
4361 cx.listener(|pane: &mut Self, action: &CloseOtherItems, window, cx| {
4362 pane.close_other_items(action, None, window, cx)
4363 .detach_and_log_err(cx);
4364 }),
4365 )
4366 .on_action(
4367 cx.listener(|pane: &mut Self, action: &CloseCleanItems, window, cx| {
4368 pane.close_clean_items(action, window, cx)
4369 .detach_and_log_err(cx)
4370 }),
4371 )
4372 .on_action(cx.listener(
4373 |pane: &mut Self, action: &CloseItemsToTheLeft, window, cx| {
4374 pane.close_items_to_the_left_by_id(None, action, window, cx)
4375 .detach_and_log_err(cx)
4376 },
4377 ))
4378 .on_action(cx.listener(
4379 |pane: &mut Self, action: &CloseItemsToTheRight, window, cx| {
4380 pane.close_items_to_the_right_by_id(None, action, window, cx)
4381 .detach_and_log_err(cx)
4382 },
4383 ))
4384 .on_action(
4385 cx.listener(|pane: &mut Self, action: &CloseAllItems, window, cx| {
4386 pane.close_all_items(action, window, cx)
4387 .detach_and_log_err(cx)
4388 }),
4389 )
4390 .on_action(cx.listener(
4391 |pane: &mut Self, action: &CloseMultibufferItems, window, cx| {
4392 pane.close_multibuffer_items(action, window, cx)
4393 .detach_and_log_err(cx)
4394 },
4395 ))
4396 .on_action(
4397 cx.listener(|pane: &mut Self, action: &RevealInProjectPanel, _, cx| {
4398 let entry_id = action
4399 .entry_id
4400 .map(ProjectEntryId::from_proto)
4401 .or_else(|| pane.active_item()?.project_entry_ids(cx).first().copied());
4402 if let Some(entry_id) = entry_id {
4403 pane.project
4404 .update(cx, |_, cx| {
4405 cx.emit(project::Event::RevealInProjectPanel(entry_id))
4406 })
4407 .ok();
4408 }
4409 }),
4410 )
4411 .on_action(cx.listener(|_, _: &menu::Cancel, window, cx| {
4412 if cx.stop_active_drag(window) {
4413 } else {
4414 cx.propagate();
4415 }
4416 }))
4417 .when(self.active_item().is_some() && display_tab_bar, |pane| {
4418 pane.child((self.render_tab_bar.clone())(self, window, cx))
4419 })
4420 .child({
4421 let has_worktrees = project.read(cx).visible_worktrees(cx).next().is_some();
4422 // main content
4423 div()
4424 .flex_1()
4425 .relative()
4426 .group("")
4427 .overflow_hidden()
4428 .on_drag_move::<DraggedTab>(cx.listener(Self::handle_drag_move))
4429 .on_drag_move::<DraggedSelection>(cx.listener(Self::handle_drag_move))
4430 .when(is_local, |div| {
4431 div.on_drag_move::<ExternalPaths>(cx.listener(Self::handle_drag_move))
4432 })
4433 .map(|div| {
4434 if let Some(item) = self.active_item() {
4435 div.id("pane_placeholder")
4436 .v_flex()
4437 .size_full()
4438 .overflow_hidden()
4439 .child(self.toolbar.clone())
4440 .child(item.to_any_view())
4441 } else {
4442 let placeholder = div
4443 .id("pane_placeholder")
4444 .h_flex()
4445 .size_full()
4446 .justify_center()
4447 .on_click(cx.listener(
4448 move |this, event: &ClickEvent, window, cx| {
4449 if event.click_count() == 2 {
4450 window.dispatch_action(
4451 this.double_click_dispatch_action.boxed_clone(),
4452 cx,
4453 );
4454 }
4455 },
4456 ));
4457 if has_worktrees || !self.should_display_welcome_page {
4458 placeholder
4459 } else {
4460 if self.welcome_page.is_none() {
4461 let workspace = self.workspace.clone();
4462 self.welcome_page = Some(cx.new(|cx| {
4463 crate::welcome::WelcomePage::new(
4464 workspace, true, window, cx,
4465 )
4466 }));
4467 }
4468 placeholder.child(self.welcome_page.clone().unwrap())
4469 }
4470 }
4471 .focus_follows_mouse(self.focus_follows_mouse, cx)
4472 })
4473 .child(
4474 // drag target
4475 div()
4476 .invisible()
4477 .absolute()
4478 .bg(cx.theme().colors().drop_target_background)
4479 .group_drag_over::<DraggedTab>("", |style| style.visible())
4480 .group_drag_over::<DraggedSelection>("", |style| style.visible())
4481 .when(is_local, |div| {
4482 div.group_drag_over::<ExternalPaths>("", |style| style.visible())
4483 })
4484 .when_some(self.can_drop_predicate.clone(), |this, p| {
4485 this.can_drop(move |a, window, cx| p(a, window, cx))
4486 })
4487 .on_drop(cx.listener(move |this, dragged_tab, window, cx| {
4488 this.handle_tab_drop(
4489 dragged_tab,
4490 this.active_item_index(),
4491 true,
4492 window,
4493 cx,
4494 )
4495 }))
4496 .on_drop(cx.listener(
4497 move |this, selection: &DraggedSelection, window, cx| {
4498 this.handle_dragged_selection_drop(selection, None, window, cx)
4499 },
4500 ))
4501 .on_drop(cx.listener(move |this, paths, window, cx| {
4502 this.handle_external_paths_drop(paths, window, cx)
4503 }))
4504 .map(|div| {
4505 let size = DefiniteLength::Fraction(0.5);
4506 match self.drag_split_direction {
4507 None => div.top_0().right_0().bottom_0().left_0(),
4508 Some(SplitDirection::Up) => {
4509 div.top_0().left_0().right_0().h(size)
4510 }
4511 Some(SplitDirection::Down) => {
4512 div.left_0().bottom_0().right_0().h(size)
4513 }
4514 Some(SplitDirection::Left) => {
4515 div.top_0().left_0().bottom_0().w(size)
4516 }
4517 Some(SplitDirection::Right) => {
4518 div.top_0().bottom_0().right_0().w(size)
4519 }
4520 }
4521 }),
4522 )
4523 })
4524 .on_mouse_down(
4525 MouseButton::Navigate(NavigationDirection::Back),
4526 cx.listener(|pane, _, window, cx| {
4527 if let Some(workspace) = pane.workspace.upgrade() {
4528 let pane = cx.entity().downgrade();
4529 window.defer(cx, move |window, cx| {
4530 workspace.update(cx, |workspace, cx| {
4531 workspace.go_back(pane, window, cx).detach_and_log_err(cx)
4532 })
4533 })
4534 }
4535 }),
4536 )
4537 .on_mouse_down(
4538 MouseButton::Navigate(NavigationDirection::Forward),
4539 cx.listener(|pane, _, window, cx| {
4540 if let Some(workspace) = pane.workspace.upgrade() {
4541 let pane = cx.entity().downgrade();
4542 window.defer(cx, move |window, cx| {
4543 workspace.update(cx, |workspace, cx| {
4544 workspace
4545 .go_forward(pane, window, cx)
4546 .detach_and_log_err(cx)
4547 })
4548 })
4549 }
4550 }),
4551 )
4552 }
4553}
4554
4555impl ItemNavHistory {
4556 pub fn push<D: 'static + Any + Send + Sync>(
4557 &mut self,
4558 data: Option<D>,
4559 row: Option<u32>,
4560 cx: &mut App,
4561 ) {
4562 if self
4563 .item
4564 .upgrade()
4565 .is_some_and(|item| item.include_in_nav_history())
4566 {
4567 let is_preview_item = self.history.0.lock().preview_item_id == Some(self.item.id());
4568 self.history
4569 .push(data, self.item.clone(), is_preview_item, row, cx);
4570 }
4571 }
4572
4573 pub fn navigation_entry(&self, data: Option<Arc<dyn Any + Send + Sync>>) -> NavigationEntry {
4574 let is_preview_item = self.history.0.lock().preview_item_id == Some(self.item.id());
4575 NavigationEntry {
4576 item: self.item.clone(),
4577 data,
4578 timestamp: 0,
4579 is_preview: is_preview_item,
4580 row: None,
4581 }
4582 }
4583
4584 pub fn push_tag(&mut self, origin: Option<NavigationEntry>, target: Option<NavigationEntry>) {
4585 if let (Some(origin_entry), Some(target_entry)) = (origin, target) {
4586 self.history.push_tag(origin_entry, target_entry);
4587 }
4588 }
4589
4590 pub fn pop_backward(&mut self, cx: &mut App) -> Option<NavigationEntry> {
4591 self.history.pop(NavigationMode::GoingBack, cx)
4592 }
4593
4594 pub fn pop_forward(&mut self, cx: &mut App) -> Option<NavigationEntry> {
4595 self.history.pop(NavigationMode::GoingForward, cx)
4596 }
4597}
4598
4599impl NavHistory {
4600 pub fn for_each_entry(
4601 &self,
4602 cx: &App,
4603 f: &mut dyn FnMut(&NavigationEntry, (ProjectPath, Option<PathBuf>)),
4604 ) {
4605 let borrowed_history = self.0.lock();
4606 borrowed_history
4607 .forward_stack
4608 .iter()
4609 .chain(borrowed_history.backward_stack.iter())
4610 .chain(borrowed_history.closed_stack.iter())
4611 .for_each(|entry| {
4612 if let Some(project_and_abs_path) =
4613 borrowed_history.paths_by_item.get(&entry.item.id())
4614 {
4615 f(entry, project_and_abs_path.clone());
4616 } else if let Some(item) = entry.item.upgrade()
4617 && let Some(path) = item.project_path(cx)
4618 {
4619 f(entry, (path, None));
4620 }
4621 })
4622 }
4623
4624 pub fn set_mode(&mut self, mode: NavigationMode) {
4625 self.0.lock().mode = mode;
4626 }
4627
4628 pub fn mode(&self) -> NavigationMode {
4629 self.0.lock().mode
4630 }
4631
4632 pub fn disable(&mut self) {
4633 self.0.lock().mode = NavigationMode::Disabled;
4634 }
4635
4636 pub fn enable(&mut self) {
4637 self.0.lock().mode = NavigationMode::Normal;
4638 }
4639
4640 pub fn clear(&mut self, cx: &mut App) {
4641 let mut state = self.0.lock();
4642
4643 if state.backward_stack.is_empty()
4644 && state.forward_stack.is_empty()
4645 && state.closed_stack.is_empty()
4646 && state.paths_by_item.is_empty()
4647 && state.tag_stack.is_empty()
4648 {
4649 return;
4650 }
4651
4652 state.mode = NavigationMode::Normal;
4653 state.backward_stack.clear();
4654 state.forward_stack.clear();
4655 state.closed_stack.clear();
4656 state.paths_by_item.clear();
4657 state.tag_stack.clear();
4658 state.tag_stack_pos = 0;
4659 state.did_update(cx);
4660 }
4661
4662 pub fn pop(&mut self, mode: NavigationMode, cx: &mut App) -> Option<NavigationEntry> {
4663 let mut state = self.0.lock();
4664 let entry = match mode {
4665 NavigationMode::Normal | NavigationMode::Disabled | NavigationMode::ClosingItem => {
4666 return None;
4667 }
4668 NavigationMode::GoingBack => &mut state.backward_stack,
4669 NavigationMode::GoingForward => &mut state.forward_stack,
4670 NavigationMode::ReopeningClosedItem => &mut state.closed_stack,
4671 }
4672 .pop_back();
4673 if entry.is_some() {
4674 state.did_update(cx);
4675 }
4676 entry
4677 }
4678
4679 pub fn push<D: 'static + Any + Send + Sync>(
4680 &mut self,
4681 data: Option<D>,
4682 item: Arc<dyn WeakItemHandle + Send + Sync>,
4683 is_preview: bool,
4684 row: Option<u32>,
4685 cx: &mut App,
4686 ) {
4687 let state = &mut *self.0.lock();
4688 let new_item_id = item.id();
4689
4690 let is_same_location =
4691 |entry: &NavigationEntry| entry.item.id() == new_item_id && entry.row == row;
4692
4693 match state.mode {
4694 NavigationMode::Disabled => {}
4695 NavigationMode::Normal | NavigationMode::ReopeningClosedItem => {
4696 state
4697 .backward_stack
4698 .retain(|entry| !is_same_location(entry));
4699
4700 if state.backward_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
4701 state.backward_stack.pop_front();
4702 }
4703 state.backward_stack.push_back(NavigationEntry {
4704 item,
4705 data: data.map(|data| Arc::new(data) as Arc<dyn Any + Send + Sync>),
4706 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
4707 is_preview,
4708 row,
4709 });
4710 state.forward_stack.clear();
4711 }
4712 NavigationMode::GoingBack => {
4713 state.forward_stack.retain(|entry| !is_same_location(entry));
4714
4715 if state.forward_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
4716 state.forward_stack.pop_front();
4717 }
4718 state.forward_stack.push_back(NavigationEntry {
4719 item,
4720 data: data.map(|data| Arc::new(data) as Arc<dyn Any + Send + Sync>),
4721 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
4722 is_preview,
4723 row,
4724 });
4725 }
4726 NavigationMode::GoingForward => {
4727 state
4728 .backward_stack
4729 .retain(|entry| !is_same_location(entry));
4730
4731 if state.backward_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
4732 state.backward_stack.pop_front();
4733 }
4734 state.backward_stack.push_back(NavigationEntry {
4735 item,
4736 data: data.map(|data| Arc::new(data) as Arc<dyn Any + Send + Sync>),
4737 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
4738 is_preview,
4739 row,
4740 });
4741 }
4742 NavigationMode::ClosingItem if is_preview => return,
4743 NavigationMode::ClosingItem => {
4744 if state.closed_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
4745 state.closed_stack.pop_front();
4746 }
4747 state.closed_stack.push_back(NavigationEntry {
4748 item,
4749 data: data.map(|data| Arc::new(data) as Arc<dyn Any + Send + Sync>),
4750 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
4751 is_preview,
4752 row,
4753 });
4754 }
4755 }
4756 state.did_update(cx);
4757 }
4758
4759 pub fn remove_item(&mut self, item_id: EntityId) {
4760 let mut state = self.0.lock();
4761 state.paths_by_item.remove(&item_id);
4762 state
4763 .backward_stack
4764 .retain(|entry| entry.item.id() != item_id);
4765 state
4766 .forward_stack
4767 .retain(|entry| entry.item.id() != item_id);
4768 state
4769 .closed_stack
4770 .retain(|entry| entry.item.id() != item_id);
4771 state
4772 .tag_stack
4773 .retain(|entry| entry.origin.item.id() != item_id && entry.target.item.id() != item_id);
4774 }
4775
4776 pub fn rename_item(
4777 &mut self,
4778 item_id: EntityId,
4779 project_path: ProjectPath,
4780 abs_path: Option<PathBuf>,
4781 ) {
4782 let mut state = self.0.lock();
4783 let path_for_item = state.paths_by_item.get_mut(&item_id);
4784 if let Some(path_for_item) = path_for_item {
4785 path_for_item.0 = project_path;
4786 path_for_item.1 = abs_path;
4787 }
4788 }
4789
4790 pub fn path_for_item(&self, item_id: EntityId) -> Option<(ProjectPath, Option<PathBuf>)> {
4791 self.0.lock().paths_by_item.get(&item_id).cloned()
4792 }
4793
4794 pub fn push_tag(&mut self, origin: NavigationEntry, target: NavigationEntry) {
4795 let mut state = self.0.lock();
4796 let truncate_to = state.tag_stack_pos;
4797 state.tag_stack.truncate(truncate_to);
4798 state.tag_stack.push_back(TagStackEntry { origin, target });
4799 state.tag_stack_pos = state.tag_stack.len();
4800 }
4801
4802 pub fn pop_tag(&mut self, mode: TagNavigationMode) -> Option<NavigationEntry> {
4803 let mut state = self.0.lock();
4804 match mode {
4805 TagNavigationMode::Older => {
4806 if state.tag_stack_pos > 0 {
4807 state.tag_stack_pos -= 1;
4808 state
4809 .tag_stack
4810 .get(state.tag_stack_pos)
4811 .map(|e| e.origin.clone())
4812 } else {
4813 None
4814 }
4815 }
4816 TagNavigationMode::Newer => {
4817 let entry = state
4818 .tag_stack
4819 .get(state.tag_stack_pos)
4820 .map(|e| e.target.clone());
4821 if state.tag_stack_pos < state.tag_stack.len() {
4822 state.tag_stack_pos += 1;
4823 }
4824 entry
4825 }
4826 }
4827 }
4828}
4829
4830impl NavHistoryState {
4831 pub fn did_update(&self, cx: &mut App) {
4832 if let Some(pane) = self.pane.upgrade() {
4833 cx.defer(move |cx| {
4834 pane.update(cx, |pane, cx| pane.history_updated(cx));
4835 });
4836 }
4837 }
4838}
4839
4840fn dirty_message_for(buffer_path: Option<ProjectPath>, path_style: PathStyle) -> String {
4841 let path = buffer_path
4842 .as_ref()
4843 .and_then(|p| {
4844 let path = p.path.display(path_style);
4845 if path.is_empty() { None } else { Some(path) }
4846 })
4847 .unwrap_or("This buffer".into());
4848 let path = truncate_and_remove_front(&path, 80);
4849 format!("{path} contains unsaved edits. Do you want to save it?")
4850}
4851
4852pub fn tab_details(items: &[Box<dyn ItemHandle>], _window: &Window, cx: &App) -> Vec<usize> {
4853 let mut tab_details = items.iter().map(|_| 0).collect::<Vec<_>>();
4854 let mut tab_descriptions = HashMap::default();
4855 let mut done = false;
4856 while !done {
4857 done = true;
4858
4859 // Store item indices by their tab description.
4860 for (ix, (item, detail)) in items.iter().zip(&tab_details).enumerate() {
4861 let description = item.tab_content_text(*detail, cx);
4862 if *detail == 0 || description != item.tab_content_text(detail - 1, cx) {
4863 tab_descriptions
4864 .entry(description)
4865 .or_insert(Vec::new())
4866 .push(ix);
4867 }
4868 }
4869
4870 // If two or more items have the same tab description, increase their level
4871 // of detail and try again.
4872 for (_, item_ixs) in tab_descriptions.drain() {
4873 if item_ixs.len() > 1 {
4874 done = false;
4875 for ix in item_ixs {
4876 tab_details[ix] += 1;
4877 }
4878 }
4879 }
4880 }
4881
4882 tab_details
4883}
4884
4885pub fn render_item_indicator(item: Box<dyn ItemHandle>, cx: &App) -> Option<Indicator> {
4886 maybe!({
4887 let indicator_color = match (item.has_conflict(cx), item.is_dirty(cx)) {
4888 (true, _) => Color::Warning,
4889 (_, true) => Color::Accent,
4890 (false, false) => return None,
4891 };
4892
4893 Some(Indicator::dot().color(indicator_color))
4894 })
4895}
4896
4897impl Render for DraggedTab {
4898 fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
4899 let ui_font = ThemeSettings::get_global(cx).ui_font.clone();
4900 let label = self.item.tab_content(
4901 TabContentParams {
4902 detail: Some(self.detail),
4903 selected: false,
4904 preview: false,
4905 deemphasized: false,
4906 },
4907 window,
4908 cx,
4909 );
4910 Tab::new("")
4911 .toggle_state(self.is_active)
4912 .child(label)
4913 .render(window, cx)
4914 .font(ui_font)
4915 }
4916}
4917
4918#[cfg(test)]
4919mod tests {
4920 use std::{cell::Cell, iter::zip, num::NonZero};
4921
4922 use super::*;
4923 use crate::{
4924 Member,
4925 item::test::{TestItem, TestProjectItem},
4926 };
4927 use gpui::{AppContext, Axis, TestAppContext, VisualTestContext, size};
4928 use project::FakeFs;
4929 use settings::SettingsStore;
4930 use theme::LoadThemes;
4931 use util::TryFutureExt;
4932
4933 // drop_call_count is a Cell here because `handle_drop` takes &self, not &mut self.
4934 struct CustomDropHandlingItem {
4935 focus_handle: gpui::FocusHandle,
4936 drop_call_count: Cell<usize>,
4937 }
4938
4939 impl CustomDropHandlingItem {
4940 fn new(cx: &mut Context<Self>) -> Self {
4941 Self {
4942 focus_handle: cx.focus_handle(),
4943 drop_call_count: Cell::new(0),
4944 }
4945 }
4946
4947 fn drop_call_count(&self) -> usize {
4948 self.drop_call_count.get()
4949 }
4950 }
4951
4952 impl EventEmitter<()> for CustomDropHandlingItem {}
4953
4954 impl Focusable for CustomDropHandlingItem {
4955 fn focus_handle(&self, _cx: &App) -> gpui::FocusHandle {
4956 self.focus_handle.clone()
4957 }
4958 }
4959
4960 impl Render for CustomDropHandlingItem {
4961 fn render(
4962 &mut self,
4963 _window: &mut Window,
4964 _cx: &mut Context<Self>,
4965 ) -> impl gpui::IntoElement {
4966 gpui::Empty
4967 }
4968 }
4969
4970 impl Item for CustomDropHandlingItem {
4971 type Event = ();
4972
4973 fn tab_content_text(&self, _detail: usize, _cx: &App) -> gpui::SharedString {
4974 "custom_drop_handling_item".into()
4975 }
4976
4977 fn handle_drop(
4978 &self,
4979 _active_pane: &Pane,
4980 dropped: &dyn std::any::Any,
4981 _window: &mut Window,
4982 _cx: &mut App,
4983 ) -> bool {
4984 let is_dragged_tab = dropped.downcast_ref::<DraggedTab>().is_some();
4985 if is_dragged_tab {
4986 self.drop_call_count.set(self.drop_call_count.get() + 1);
4987 }
4988 is_dragged_tab
4989 }
4990 }
4991
4992 #[gpui::test]
4993 async fn test_add_item_capped_to_max_tabs(cx: &mut TestAppContext) {
4994 init_test(cx);
4995 let fs = FakeFs::new(cx.executor());
4996
4997 let project = Project::test(fs, None, cx).await;
4998 let (workspace, cx) =
4999 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5000 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5001
5002 for i in 0..7 {
5003 add_labeled_item(&pane, format!("{}", i).as_str(), false, cx);
5004 }
5005
5006 set_max_tabs(cx, Some(5));
5007 add_labeled_item(&pane, "7", false, cx);
5008 // Remove items to respect the max tab cap.
5009 assert_item_labels(&pane, ["3", "4", "5", "6", "7*"], cx);
5010 pane.update_in(cx, |pane, window, cx| {
5011 pane.activate_item(0, false, false, window, cx);
5012 });
5013 add_labeled_item(&pane, "X", false, cx);
5014 // Respect activation order.
5015 assert_item_labels(&pane, ["3", "X*", "5", "6", "7"], cx);
5016
5017 for i in 0..7 {
5018 add_labeled_item(&pane, format!("D{}", i).as_str(), true, cx);
5019 }
5020 // Keeps dirty items, even over max tab cap.
5021 assert_item_labels(
5022 &pane,
5023 ["D0^", "D1^", "D2^", "D3^", "D4^", "D5^", "D6*^"],
5024 cx,
5025 );
5026
5027 set_max_tabs(cx, None);
5028 for i in 0..7 {
5029 add_labeled_item(&pane, format!("N{}", i).as_str(), false, cx);
5030 }
5031 // No cap when max tabs is None.
5032 assert_item_labels(
5033 &pane,
5034 [
5035 "D0^", "D1^", "D2^", "D3^", "D4^", "D5^", "D6^", "N0", "N1", "N2", "N3", "N4",
5036 "N5", "N6*",
5037 ],
5038 cx,
5039 );
5040 }
5041
5042 #[gpui::test]
5043 async fn test_reduce_max_tabs_closes_existing_items(cx: &mut TestAppContext) {
5044 init_test(cx);
5045 let fs = FakeFs::new(cx.executor());
5046
5047 let project = Project::test(fs, None, cx).await;
5048 let (workspace, cx) =
5049 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5050 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5051
5052 add_labeled_item(&pane, "A", false, cx);
5053 add_labeled_item(&pane, "B", false, cx);
5054 let item_c = add_labeled_item(&pane, "C", false, cx);
5055 let item_d = add_labeled_item(&pane, "D", false, cx);
5056 add_labeled_item(&pane, "E", false, cx);
5057 add_labeled_item(&pane, "Settings", false, cx);
5058 assert_item_labels(&pane, ["A", "B", "C", "D", "E", "Settings*"], cx);
5059
5060 set_max_tabs(cx, Some(5));
5061 assert_item_labels(&pane, ["B", "C", "D", "E", "Settings*"], cx);
5062
5063 set_max_tabs(cx, Some(4));
5064 assert_item_labels(&pane, ["C", "D", "E", "Settings*"], cx);
5065
5066 pane.update_in(cx, |pane, window, cx| {
5067 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5068 pane.pin_tab_at(ix, window, cx);
5069
5070 let ix = pane.index_for_item_id(item_d.item_id()).unwrap();
5071 pane.pin_tab_at(ix, window, cx);
5072 });
5073 assert_item_labels(&pane, ["C!", "D!", "E", "Settings*"], cx);
5074
5075 set_max_tabs(cx, Some(2));
5076 assert_item_labels(&pane, ["C!", "D!", "Settings*"], cx);
5077 }
5078
5079 #[gpui::test]
5080 async fn test_allow_pinning_dirty_item_at_max_tabs(cx: &mut TestAppContext) {
5081 init_test(cx);
5082 let fs = FakeFs::new(cx.executor());
5083
5084 let project = Project::test(fs, None, cx).await;
5085 let (workspace, cx) =
5086 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5087 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5088
5089 set_max_tabs(cx, Some(1));
5090 let item_a = add_labeled_item(&pane, "A", true, cx);
5091
5092 pane.update_in(cx, |pane, window, cx| {
5093 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5094 pane.pin_tab_at(ix, window, cx);
5095 });
5096 assert_item_labels(&pane, ["A*^!"], cx);
5097 }
5098
5099 #[gpui::test]
5100 async fn test_allow_pinning_non_dirty_item_at_max_tabs(cx: &mut TestAppContext) {
5101 init_test(cx);
5102 let fs = FakeFs::new(cx.executor());
5103
5104 let project = Project::test(fs, None, cx).await;
5105 let (workspace, cx) =
5106 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5107 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5108
5109 set_max_tabs(cx, Some(1));
5110 let item_a = add_labeled_item(&pane, "A", false, cx);
5111
5112 pane.update_in(cx, |pane, window, cx| {
5113 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5114 pane.pin_tab_at(ix, window, cx);
5115 });
5116 assert_item_labels(&pane, ["A*!"], cx);
5117 }
5118
5119 #[gpui::test]
5120 async fn test_pin_tabs_incrementally_at_max_capacity(cx: &mut TestAppContext) {
5121 init_test(cx);
5122 let fs = FakeFs::new(cx.executor());
5123
5124 let project = Project::test(fs, None, cx).await;
5125 let (workspace, cx) =
5126 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5127 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5128
5129 set_max_tabs(cx, Some(3));
5130
5131 let item_a = add_labeled_item(&pane, "A", false, cx);
5132 assert_item_labels(&pane, ["A*"], cx);
5133
5134 pane.update_in(cx, |pane, window, cx| {
5135 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5136 pane.pin_tab_at(ix, window, cx);
5137 });
5138 assert_item_labels(&pane, ["A*!"], cx);
5139
5140 let item_b = add_labeled_item(&pane, "B", false, cx);
5141 assert_item_labels(&pane, ["A!", "B*"], cx);
5142
5143 pane.update_in(cx, |pane, window, cx| {
5144 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5145 pane.pin_tab_at(ix, window, cx);
5146 });
5147 assert_item_labels(&pane, ["A!", "B*!"], cx);
5148
5149 let item_c = add_labeled_item(&pane, "C", false, cx);
5150 assert_item_labels(&pane, ["A!", "B!", "C*"], cx);
5151
5152 pane.update_in(cx, |pane, window, cx| {
5153 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5154 pane.pin_tab_at(ix, window, cx);
5155 });
5156 assert_item_labels(&pane, ["A!", "B!", "C*!"], cx);
5157 }
5158
5159 #[gpui::test]
5160 async fn test_pin_tabs_left_to_right_after_opening_at_max_capacity(cx: &mut TestAppContext) {
5161 init_test(cx);
5162 let fs = FakeFs::new(cx.executor());
5163
5164 let project = Project::test(fs, None, cx).await;
5165 let (workspace, cx) =
5166 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5167 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5168
5169 set_max_tabs(cx, Some(3));
5170
5171 let item_a = add_labeled_item(&pane, "A", false, cx);
5172 assert_item_labels(&pane, ["A*"], cx);
5173
5174 let item_b = add_labeled_item(&pane, "B", false, cx);
5175 assert_item_labels(&pane, ["A", "B*"], cx);
5176
5177 let item_c = add_labeled_item(&pane, "C", false, cx);
5178 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5179
5180 pane.update_in(cx, |pane, window, cx| {
5181 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5182 pane.pin_tab_at(ix, window, cx);
5183 });
5184 assert_item_labels(&pane, ["A!", "B", "C*"], cx);
5185
5186 pane.update_in(cx, |pane, window, cx| {
5187 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5188 pane.pin_tab_at(ix, window, cx);
5189 });
5190 assert_item_labels(&pane, ["A!", "B!", "C*"], cx);
5191
5192 pane.update_in(cx, |pane, window, cx| {
5193 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5194 pane.pin_tab_at(ix, window, cx);
5195 });
5196 assert_item_labels(&pane, ["A!", "B!", "C*!"], cx);
5197 }
5198
5199 #[gpui::test]
5200 async fn test_pin_tabs_right_to_left_after_opening_at_max_capacity(cx: &mut TestAppContext) {
5201 init_test(cx);
5202 let fs = FakeFs::new(cx.executor());
5203
5204 let project = Project::test(fs, None, cx).await;
5205 let (workspace, cx) =
5206 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5207 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5208
5209 set_max_tabs(cx, Some(3));
5210
5211 let item_a = add_labeled_item(&pane, "A", false, cx);
5212 assert_item_labels(&pane, ["A*"], cx);
5213
5214 let item_b = add_labeled_item(&pane, "B", false, cx);
5215 assert_item_labels(&pane, ["A", "B*"], cx);
5216
5217 let item_c = add_labeled_item(&pane, "C", false, cx);
5218 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5219
5220 pane.update_in(cx, |pane, window, cx| {
5221 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5222 pane.pin_tab_at(ix, window, cx);
5223 });
5224 assert_item_labels(&pane, ["C*!", "A", "B"], cx);
5225
5226 pane.update_in(cx, |pane, window, cx| {
5227 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5228 pane.pin_tab_at(ix, window, cx);
5229 });
5230 assert_item_labels(&pane, ["C*!", "B!", "A"], cx);
5231
5232 pane.update_in(cx, |pane, window, cx| {
5233 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5234 pane.pin_tab_at(ix, window, cx);
5235 });
5236 assert_item_labels(&pane, ["C*!", "B!", "A!"], cx);
5237 }
5238
5239 #[gpui::test]
5240 async fn test_pinned_tabs_never_closed_at_max_tabs(cx: &mut TestAppContext) {
5241 init_test(cx);
5242 let fs = FakeFs::new(cx.executor());
5243
5244 let project = Project::test(fs, None, cx).await;
5245 let (workspace, cx) =
5246 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5247 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5248
5249 let item_a = add_labeled_item(&pane, "A", false, cx);
5250 pane.update_in(cx, |pane, window, cx| {
5251 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5252 pane.pin_tab_at(ix, window, cx);
5253 });
5254
5255 let item_b = add_labeled_item(&pane, "B", false, cx);
5256 pane.update_in(cx, |pane, window, cx| {
5257 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5258 pane.pin_tab_at(ix, window, cx);
5259 });
5260
5261 add_labeled_item(&pane, "C", false, cx);
5262 add_labeled_item(&pane, "D", false, cx);
5263 add_labeled_item(&pane, "E", false, cx);
5264 assert_item_labels(&pane, ["A!", "B!", "C", "D", "E*"], cx);
5265
5266 set_max_tabs(cx, Some(3));
5267 add_labeled_item(&pane, "F", false, cx);
5268 assert_item_labels(&pane, ["A!", "B!", "F*"], cx);
5269
5270 add_labeled_item(&pane, "G", false, cx);
5271 assert_item_labels(&pane, ["A!", "B!", "G*"], cx);
5272
5273 add_labeled_item(&pane, "H", false, cx);
5274 assert_item_labels(&pane, ["A!", "B!", "H*"], cx);
5275 }
5276
5277 #[gpui::test]
5278 async fn test_always_allows_one_unpinned_item_over_max_tabs_regardless_of_pinned_count(
5279 cx: &mut TestAppContext,
5280 ) {
5281 init_test(cx);
5282 let fs = FakeFs::new(cx.executor());
5283
5284 let project = Project::test(fs, None, cx).await;
5285 let (workspace, cx) =
5286 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5287 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5288
5289 set_max_tabs(cx, Some(3));
5290
5291 let item_a = add_labeled_item(&pane, "A", false, cx);
5292 pane.update_in(cx, |pane, window, cx| {
5293 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5294 pane.pin_tab_at(ix, window, cx);
5295 });
5296
5297 let item_b = add_labeled_item(&pane, "B", false, cx);
5298 pane.update_in(cx, |pane, window, cx| {
5299 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5300 pane.pin_tab_at(ix, window, cx);
5301 });
5302
5303 let item_c = add_labeled_item(&pane, "C", false, cx);
5304 pane.update_in(cx, |pane, window, cx| {
5305 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5306 pane.pin_tab_at(ix, window, cx);
5307 });
5308
5309 assert_item_labels(&pane, ["A!", "B!", "C*!"], cx);
5310
5311 let item_d = add_labeled_item(&pane, "D", false, cx);
5312 assert_item_labels(&pane, ["A!", "B!", "C!", "D*"], cx);
5313
5314 pane.update_in(cx, |pane, window, cx| {
5315 let ix = pane.index_for_item_id(item_d.item_id()).unwrap();
5316 pane.pin_tab_at(ix, window, cx);
5317 });
5318 assert_item_labels(&pane, ["A!", "B!", "C!", "D*!"], cx);
5319
5320 add_labeled_item(&pane, "E", false, cx);
5321 assert_item_labels(&pane, ["A!", "B!", "C!", "D!", "E*"], cx);
5322
5323 add_labeled_item(&pane, "F", false, cx);
5324 assert_item_labels(&pane, ["A!", "B!", "C!", "D!", "F*"], cx);
5325 }
5326
5327 #[gpui::test]
5328 async fn test_can_open_one_item_when_all_tabs_are_dirty_at_max(cx: &mut TestAppContext) {
5329 init_test(cx);
5330 let fs = FakeFs::new(cx.executor());
5331
5332 let project = Project::test(fs, None, cx).await;
5333 let (workspace, cx) =
5334 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5335 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5336
5337 set_max_tabs(cx, Some(3));
5338
5339 add_labeled_item(&pane, "A", true, cx);
5340 assert_item_labels(&pane, ["A*^"], cx);
5341
5342 add_labeled_item(&pane, "B", true, cx);
5343 assert_item_labels(&pane, ["A^", "B*^"], cx);
5344
5345 add_labeled_item(&pane, "C", true, cx);
5346 assert_item_labels(&pane, ["A^", "B^", "C*^"], cx);
5347
5348 add_labeled_item(&pane, "D", false, cx);
5349 assert_item_labels(&pane, ["A^", "B^", "C^", "D*"], cx);
5350
5351 add_labeled_item(&pane, "E", false, cx);
5352 assert_item_labels(&pane, ["A^", "B^", "C^", "E*"], cx);
5353
5354 add_labeled_item(&pane, "F", false, cx);
5355 assert_item_labels(&pane, ["A^", "B^", "C^", "F*"], cx);
5356
5357 add_labeled_item(&pane, "G", true, cx);
5358 assert_item_labels(&pane, ["A^", "B^", "C^", "G*^"], cx);
5359 }
5360
5361 #[gpui::test]
5362 async fn test_toggle_pin_tab(cx: &mut TestAppContext) {
5363 init_test(cx);
5364 let fs = FakeFs::new(cx.executor());
5365
5366 let project = Project::test(fs, None, cx).await;
5367 let (workspace, cx) =
5368 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5369 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5370
5371 set_labeled_items(&pane, ["A", "B*", "C"], cx);
5372 assert_item_labels(&pane, ["A", "B*", "C"], cx);
5373
5374 pane.update_in(cx, |pane, window, cx| {
5375 pane.toggle_pin_tab(&TogglePinTab, window, cx);
5376 });
5377 assert_item_labels(&pane, ["B*!", "A", "C"], cx);
5378
5379 pane.update_in(cx, |pane, window, cx| {
5380 pane.toggle_pin_tab(&TogglePinTab, window, cx);
5381 });
5382 assert_item_labels(&pane, ["B*", "A", "C"], cx);
5383 }
5384
5385 #[gpui::test]
5386 async fn test_unpin_all_tabs(cx: &mut TestAppContext) {
5387 init_test(cx);
5388 let fs = FakeFs::new(cx.executor());
5389
5390 let project = Project::test(fs, None, cx).await;
5391 let (workspace, cx) =
5392 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5393 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5394
5395 // Unpin all, in an empty pane
5396 pane.update_in(cx, |pane, window, cx| {
5397 pane.unpin_all_tabs(&UnpinAllTabs, window, cx);
5398 });
5399
5400 assert_item_labels(&pane, [], cx);
5401
5402 let item_a = add_labeled_item(&pane, "A", false, cx);
5403 let item_b = add_labeled_item(&pane, "B", false, cx);
5404 let item_c = add_labeled_item(&pane, "C", false, cx);
5405 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5406
5407 // Unpin all, when no tabs are pinned
5408 pane.update_in(cx, |pane, window, cx| {
5409 pane.unpin_all_tabs(&UnpinAllTabs, window, cx);
5410 });
5411
5412 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5413
5414 // Pin inactive tabs only
5415 pane.update_in(cx, |pane, window, cx| {
5416 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5417 pane.pin_tab_at(ix, window, cx);
5418
5419 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5420 pane.pin_tab_at(ix, window, cx);
5421 });
5422 assert_item_labels(&pane, ["A!", "B!", "C*"], cx);
5423
5424 pane.update_in(cx, |pane, window, cx| {
5425 pane.unpin_all_tabs(&UnpinAllTabs, window, cx);
5426 });
5427
5428 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5429
5430 // Pin all tabs
5431 pane.update_in(cx, |pane, window, cx| {
5432 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5433 pane.pin_tab_at(ix, window, cx);
5434
5435 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5436 pane.pin_tab_at(ix, window, cx);
5437
5438 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5439 pane.pin_tab_at(ix, window, cx);
5440 });
5441 assert_item_labels(&pane, ["A!", "B!", "C*!"], cx);
5442
5443 // Activate middle tab
5444 pane.update_in(cx, |pane, window, cx| {
5445 pane.activate_item(1, false, false, window, cx);
5446 });
5447 assert_item_labels(&pane, ["A!", "B*!", "C!"], cx);
5448
5449 pane.update_in(cx, |pane, window, cx| {
5450 pane.unpin_all_tabs(&UnpinAllTabs, window, cx);
5451 });
5452
5453 // Order has not changed
5454 assert_item_labels(&pane, ["A", "B*", "C"], cx);
5455 }
5456
5457 #[gpui::test]
5458 async fn test_separate_pinned_row_disabled_by_default(cx: &mut TestAppContext) {
5459 init_test(cx);
5460 let fs = FakeFs::new(cx.executor());
5461
5462 let project = Project::test(fs, None, cx).await;
5463 let (workspace, cx) =
5464 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5465 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5466
5467 let item_a = add_labeled_item(&pane, "A", false, cx);
5468 add_labeled_item(&pane, "B", false, cx);
5469 add_labeled_item(&pane, "C", false, cx);
5470
5471 // Pin one tab
5472 pane.update_in(cx, |pane, window, cx| {
5473 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5474 pane.pin_tab_at(ix, window, cx);
5475 });
5476 assert_item_labels(&pane, ["A!", "B", "C*"], cx);
5477
5478 // Verify setting is disabled by default
5479 let is_separate_row_enabled = pane.read_with(cx, |_, cx| {
5480 TabBarSettings::get_global(cx).show_pinned_tabs_in_separate_row
5481 });
5482 assert!(
5483 !is_separate_row_enabled,
5484 "Separate pinned row should be disabled by default"
5485 );
5486
5487 // Verify pinned_tabs_row element does NOT exist (single row layout)
5488 let pinned_row_bounds = cx.debug_bounds("pinned_tabs_row");
5489 assert!(
5490 pinned_row_bounds.is_none(),
5491 "pinned_tabs_row should not exist when setting is disabled"
5492 );
5493 }
5494
5495 #[gpui::test]
5496 async fn test_separate_pinned_row_two_rows_when_both_tab_types_exist(cx: &mut TestAppContext) {
5497 init_test(cx);
5498 let fs = FakeFs::new(cx.executor());
5499
5500 let project = Project::test(fs, None, cx).await;
5501 let (workspace, cx) =
5502 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5503 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5504
5505 // Enable separate row setting
5506 set_pinned_tabs_separate_row(cx, true);
5507
5508 let item_a = add_labeled_item(&pane, "A", false, cx);
5509 add_labeled_item(&pane, "B", false, cx);
5510 add_labeled_item(&pane, "C", false, cx);
5511
5512 // Pin one tab - now we have both pinned and unpinned tabs
5513 pane.update_in(cx, |pane, window, cx| {
5514 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5515 pane.pin_tab_at(ix, window, cx);
5516 });
5517 assert_item_labels(&pane, ["A!", "B", "C*"], cx);
5518
5519 // Verify pinned_tabs_row element exists (two row layout)
5520 let pinned_row_bounds = cx.debug_bounds("pinned_tabs_row");
5521 assert!(
5522 pinned_row_bounds.is_some(),
5523 "pinned_tabs_row should exist when setting is enabled and both tab types exist"
5524 );
5525 }
5526
5527 #[gpui::test]
5528 async fn test_separate_pinned_row_single_row_when_only_pinned_tabs(cx: &mut TestAppContext) {
5529 init_test(cx);
5530 let fs = FakeFs::new(cx.executor());
5531
5532 let project = Project::test(fs, None, cx).await;
5533 let (workspace, cx) =
5534 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5535 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5536
5537 // Enable separate row setting
5538 set_pinned_tabs_separate_row(cx, true);
5539
5540 let item_a = add_labeled_item(&pane, "A", false, cx);
5541 let item_b = add_labeled_item(&pane, "B", false, cx);
5542
5543 // Pin all tabs - only pinned tabs exist
5544 pane.update_in(cx, |pane, window, cx| {
5545 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5546 pane.pin_tab_at(ix, window, cx);
5547 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5548 pane.pin_tab_at(ix, window, cx);
5549 });
5550 assert_item_labels(&pane, ["A!", "B*!"], cx);
5551
5552 // Verify pinned_tabs_row does NOT exist (single row layout for pinned-only)
5553 let pinned_row_bounds = cx.debug_bounds("pinned_tabs_row");
5554 assert!(
5555 pinned_row_bounds.is_none(),
5556 "pinned_tabs_row should not exist when only pinned tabs exist (uses single row)"
5557 );
5558 }
5559
5560 #[gpui::test]
5561 async fn test_separate_pinned_row_single_row_when_only_unpinned_tabs(cx: &mut TestAppContext) {
5562 init_test(cx);
5563 let fs = FakeFs::new(cx.executor());
5564
5565 let project = Project::test(fs, None, cx).await;
5566 let (workspace, cx) =
5567 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5568 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5569
5570 // Enable separate row setting
5571 set_pinned_tabs_separate_row(cx, true);
5572
5573 // Add only unpinned tabs
5574 add_labeled_item(&pane, "A", false, cx);
5575 add_labeled_item(&pane, "B", false, cx);
5576 add_labeled_item(&pane, "C", false, cx);
5577 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5578
5579 // Verify pinned_tabs_row does NOT exist (single row layout for unpinned-only)
5580 let pinned_row_bounds = cx.debug_bounds("pinned_tabs_row");
5581 assert!(
5582 pinned_row_bounds.is_none(),
5583 "pinned_tabs_row should not exist when only unpinned tabs exist (uses single row)"
5584 );
5585 }
5586
5587 #[gpui::test]
5588 async fn test_separate_pinned_row_toggles_between_layouts(cx: &mut TestAppContext) {
5589 init_test(cx);
5590 let fs = FakeFs::new(cx.executor());
5591
5592 let project = Project::test(fs, None, cx).await;
5593 let (workspace, cx) =
5594 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5595 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5596
5597 let item_a = add_labeled_item(&pane, "A", false, cx);
5598 add_labeled_item(&pane, "B", false, cx);
5599
5600 // Pin one tab
5601 pane.update_in(cx, |pane, window, cx| {
5602 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5603 pane.pin_tab_at(ix, window, cx);
5604 });
5605
5606 // Initially disabled - single row
5607 let pinned_row_bounds = cx.debug_bounds("pinned_tabs_row");
5608 assert!(
5609 pinned_row_bounds.is_none(),
5610 "Should be single row when disabled"
5611 );
5612
5613 // Enable - two rows
5614 set_pinned_tabs_separate_row(cx, true);
5615 cx.run_until_parked();
5616 let pinned_row_bounds = cx.debug_bounds("pinned_tabs_row");
5617 assert!(
5618 pinned_row_bounds.is_some(),
5619 "Should be two rows when enabled"
5620 );
5621
5622 // Disable again - back to single row
5623 set_pinned_tabs_separate_row(cx, false);
5624 cx.run_until_parked();
5625 let pinned_row_bounds = cx.debug_bounds("pinned_tabs_row");
5626 assert!(
5627 pinned_row_bounds.is_none(),
5628 "Should be single row when disabled again"
5629 );
5630 }
5631
5632 #[gpui::test]
5633 async fn test_separate_pinned_row_has_right_border(cx: &mut TestAppContext) {
5634 init_test(cx);
5635 let fs = FakeFs::new(cx.executor());
5636
5637 let project = Project::test(fs, None, cx).await;
5638 let (workspace, cx) =
5639 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5640 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5641
5642 // Enable separate row setting
5643 set_pinned_tabs_separate_row(cx, true);
5644
5645 let item_a = add_labeled_item(&pane, "A", false, cx);
5646 add_labeled_item(&pane, "B", false, cx);
5647 add_labeled_item(&pane, "C", false, cx);
5648
5649 // Pin one tab - now we have both pinned and unpinned tabs (two-row layout)
5650 pane.update_in(cx, |pane, window, cx| {
5651 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5652 pane.pin_tab_at(ix, window, cx);
5653 });
5654 assert_item_labels(&pane, ["A!", "B", "C*"], cx);
5655 cx.run_until_parked();
5656
5657 // Verify two-row layout is active
5658 let pinned_row_bounds = cx.debug_bounds("pinned_tabs_row");
5659 assert!(
5660 pinned_row_bounds.is_some(),
5661 "Two-row layout should be active when both pinned and unpinned tabs exist"
5662 );
5663
5664 // Verify pinned_tabs_border element exists (the right border after pinned tabs)
5665 let border_bounds = cx.debug_bounds("pinned_tabs_border");
5666 assert!(
5667 border_bounds.is_some(),
5668 "pinned_tabs_border should exist in two-row layout to show right border"
5669 );
5670 }
5671
5672 #[gpui::test]
5673 async fn test_pinning_active_tab_without_position_change_maintains_focus(
5674 cx: &mut TestAppContext,
5675 ) {
5676 init_test(cx);
5677 let fs = FakeFs::new(cx.executor());
5678
5679 let project = Project::test(fs, None, cx).await;
5680 let (workspace, cx) =
5681 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5682 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5683
5684 // Add A
5685 let item_a = add_labeled_item(&pane, "A", false, cx);
5686 assert_item_labels(&pane, ["A*"], cx);
5687
5688 // Add B
5689 add_labeled_item(&pane, "B", false, cx);
5690 assert_item_labels(&pane, ["A", "B*"], cx);
5691
5692 // Activate A again
5693 pane.update_in(cx, |pane, window, cx| {
5694 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5695 pane.activate_item(ix, true, true, window, cx);
5696 });
5697 assert_item_labels(&pane, ["A*", "B"], cx);
5698
5699 // Pin A - remains active
5700 pane.update_in(cx, |pane, window, cx| {
5701 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5702 pane.pin_tab_at(ix, window, cx);
5703 });
5704 assert_item_labels(&pane, ["A*!", "B"], cx);
5705
5706 // Unpin A - remain active
5707 pane.update_in(cx, |pane, window, cx| {
5708 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5709 pane.unpin_tab_at(ix, window, cx);
5710 });
5711 assert_item_labels(&pane, ["A*", "B"], cx);
5712 }
5713
5714 #[gpui::test]
5715 async fn test_pinning_active_tab_with_position_change_maintains_focus(cx: &mut TestAppContext) {
5716 init_test(cx);
5717 let fs = FakeFs::new(cx.executor());
5718
5719 let project = Project::test(fs, None, cx).await;
5720 let (workspace, cx) =
5721 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5722 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5723
5724 // Add A, B, C
5725 add_labeled_item(&pane, "A", false, cx);
5726 add_labeled_item(&pane, "B", false, cx);
5727 let item_c = add_labeled_item(&pane, "C", false, cx);
5728 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5729
5730 // Pin C - moves to pinned area, remains active
5731 pane.update_in(cx, |pane, window, cx| {
5732 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5733 pane.pin_tab_at(ix, window, cx);
5734 });
5735 assert_item_labels(&pane, ["C*!", "A", "B"], cx);
5736
5737 // Unpin C - moves after pinned area, remains active
5738 pane.update_in(cx, |pane, window, cx| {
5739 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5740 pane.unpin_tab_at(ix, window, cx);
5741 });
5742 assert_item_labels(&pane, ["C*", "A", "B"], cx);
5743 }
5744
5745 #[gpui::test]
5746 async fn test_pinning_inactive_tab_without_position_change_preserves_existing_focus(
5747 cx: &mut TestAppContext,
5748 ) {
5749 init_test(cx);
5750 let fs = FakeFs::new(cx.executor());
5751
5752 let project = Project::test(fs, None, cx).await;
5753 let (workspace, cx) =
5754 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5755 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5756
5757 // Add A, B
5758 let item_a = add_labeled_item(&pane, "A", false, cx);
5759 add_labeled_item(&pane, "B", false, cx);
5760 assert_item_labels(&pane, ["A", "B*"], cx);
5761
5762 // Pin A - already in pinned area, B remains active
5763 pane.update_in(cx, |pane, window, cx| {
5764 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5765 pane.pin_tab_at(ix, window, cx);
5766 });
5767 assert_item_labels(&pane, ["A!", "B*"], cx);
5768
5769 // Unpin A - stays in place, B remains active
5770 pane.update_in(cx, |pane, window, cx| {
5771 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5772 pane.unpin_tab_at(ix, window, cx);
5773 });
5774 assert_item_labels(&pane, ["A", "B*"], cx);
5775 }
5776
5777 #[gpui::test]
5778 async fn test_pinning_inactive_tab_with_position_change_preserves_existing_focus(
5779 cx: &mut TestAppContext,
5780 ) {
5781 init_test(cx);
5782 let fs = FakeFs::new(cx.executor());
5783
5784 let project = Project::test(fs, None, cx).await;
5785 let (workspace, cx) =
5786 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5787 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5788
5789 // Add A, B, C
5790 add_labeled_item(&pane, "A", false, cx);
5791 let item_b = add_labeled_item(&pane, "B", false, cx);
5792 let item_c = add_labeled_item(&pane, "C", false, cx);
5793 assert_item_labels(&pane, ["A", "B", "C*"], cx);
5794
5795 // Activate B
5796 pane.update_in(cx, |pane, window, cx| {
5797 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5798 pane.activate_item(ix, true, true, window, cx);
5799 });
5800 assert_item_labels(&pane, ["A", "B*", "C"], cx);
5801
5802 // Pin C - moves to pinned area, B remains active
5803 pane.update_in(cx, |pane, window, cx| {
5804 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5805 pane.pin_tab_at(ix, window, cx);
5806 });
5807 assert_item_labels(&pane, ["C!", "A", "B*"], cx);
5808
5809 // Unpin C - moves after pinned area, B remains active
5810 pane.update_in(cx, |pane, window, cx| {
5811 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
5812 pane.unpin_tab_at(ix, window, cx);
5813 });
5814 assert_item_labels(&pane, ["C", "A", "B*"], cx);
5815 }
5816
5817 #[gpui::test]
5818 async fn test_handle_tab_drop_respects_is_pane_target(cx: &mut TestAppContext) {
5819 init_test(cx);
5820 let fs = FakeFs::new(cx.executor());
5821 let project = Project::test(fs, None, cx).await;
5822 let (workspace, cx) =
5823 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5824 let source_pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5825
5826 let item_a = add_labeled_item(&source_pane, "A", false, cx);
5827 let item_b = add_labeled_item(&source_pane, "B", false, cx);
5828
5829 let target_pane = workspace.update_in(cx, |workspace, window, cx| {
5830 workspace.split_pane(source_pane.clone(), SplitDirection::Right, window, cx)
5831 });
5832
5833 let custom_item = target_pane.update_in(cx, |pane, window, cx| {
5834 let custom_item = Box::new(cx.new(CustomDropHandlingItem::new));
5835 pane.add_item(custom_item.clone(), true, true, None, window, cx);
5836 custom_item
5837 });
5838
5839 let moved_item_id = item_a.item_id();
5840 let other_item_id = item_b.item_id();
5841 let custom_item_id = custom_item.item_id();
5842
5843 let pane_item_ids = |pane: &Entity<Pane>, cx: &mut VisualTestContext| {
5844 pane.read_with(cx, |pane, _| {
5845 pane.items().map(|item| item.item_id()).collect::<Vec<_>>()
5846 })
5847 };
5848
5849 let source_before_item_ids = pane_item_ids(&source_pane, cx);
5850 assert_eq!(source_before_item_ids, vec![moved_item_id, other_item_id]);
5851
5852 let target_before_item_ids = pane_item_ids(&target_pane, cx);
5853 assert_eq!(target_before_item_ids, vec![custom_item_id]);
5854
5855 let dragged_tab = DraggedTab {
5856 pane: source_pane.clone(),
5857 item: item_a.boxed_clone(),
5858 ix: 0,
5859 detail: 0,
5860 is_active: true,
5861 };
5862
5863 // Dropping item_a onto the target pane itself means the
5864 // custom item handles the drop and no tab move should occur
5865 target_pane.update_in(cx, |pane, window, cx| {
5866 pane.handle_tab_drop(&dragged_tab, pane.active_item_index(), true, window, cx);
5867 });
5868 cx.run_until_parked();
5869
5870 assert_eq!(
5871 custom_item.read_with(cx, |item, _| item.drop_call_count()),
5872 1
5873 );
5874 assert_eq!(pane_item_ids(&source_pane, cx), source_before_item_ids);
5875 assert_eq!(pane_item_ids(&target_pane, cx), target_before_item_ids);
5876
5877 // Dropping item_a onto the tab target means the custom handler
5878 // should be skipped and the pane's default tab drop behavior should run.
5879 target_pane.update_in(cx, |pane, window, cx| {
5880 pane.handle_tab_drop(&dragged_tab, pane.active_item_index(), false, 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), vec![other_item_id]);
5889
5890 let target_item_ids = pane_item_ids(&target_pane, cx);
5891 assert_eq!(target_item_ids, vec![moved_item_id, custom_item_id]);
5892 }
5893
5894 #[gpui::test]
5895 async fn test_drag_unpinned_tab_to_split_creates_pane_with_unpinned_tab(
5896 cx: &mut TestAppContext,
5897 ) {
5898 init_test(cx);
5899 let fs = FakeFs::new(cx.executor());
5900
5901 let project = Project::test(fs, None, cx).await;
5902 let (workspace, cx) =
5903 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5904 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5905
5906 // Add A, B. Pin B. Activate A
5907 let item_a = add_labeled_item(&pane_a, "A", false, cx);
5908 let item_b = add_labeled_item(&pane_a, "B", false, cx);
5909
5910 pane_a.update_in(cx, |pane, window, cx| {
5911 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5912 pane.pin_tab_at(ix, window, cx);
5913
5914 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5915 pane.activate_item(ix, true, true, window, cx);
5916 });
5917
5918 // Drag A to create new split
5919 pane_a.update_in(cx, |pane, window, cx| {
5920 pane.drag_split_direction = Some(SplitDirection::Right);
5921
5922 let dragged_tab = DraggedTab {
5923 pane: pane_a.clone(),
5924 item: item_a.boxed_clone(),
5925 ix: 0,
5926 detail: 0,
5927 is_active: true,
5928 };
5929 pane.handle_tab_drop(&dragged_tab, 0, true, window, cx);
5930 });
5931
5932 // A should be moved to new pane. B should remain pinned, A should not be pinned
5933 let (pane_a, pane_b) = workspace.read_with(cx, |workspace, _| {
5934 let panes = workspace.panes();
5935 (panes[0].clone(), panes[1].clone())
5936 });
5937 assert_item_labels(&pane_a, ["B*!"], cx);
5938 assert_item_labels(&pane_b, ["A*"], cx);
5939 }
5940
5941 #[gpui::test]
5942 async fn test_drag_pinned_tab_to_split_creates_pane_with_pinned_tab(cx: &mut TestAppContext) {
5943 init_test(cx);
5944 let fs = FakeFs::new(cx.executor());
5945
5946 let project = Project::test(fs, None, cx).await;
5947 let (workspace, cx) =
5948 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5949 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5950
5951 // Add A, B. Pin both. Activate A
5952 let item_a = add_labeled_item(&pane_a, "A", false, cx);
5953 let item_b = add_labeled_item(&pane_a, "B", false, cx);
5954
5955 pane_a.update_in(cx, |pane, window, cx| {
5956 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5957 pane.pin_tab_at(ix, window, cx);
5958
5959 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
5960 pane.pin_tab_at(ix, window, cx);
5961
5962 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
5963 pane.activate_item(ix, true, true, window, cx);
5964 });
5965 assert_item_labels(&pane_a, ["A*!", "B!"], cx);
5966
5967 // Drag A to create new split
5968 pane_a.update_in(cx, |pane, window, cx| {
5969 pane.drag_split_direction = Some(SplitDirection::Right);
5970
5971 let dragged_tab = DraggedTab {
5972 pane: pane_a.clone(),
5973 item: item_a.boxed_clone(),
5974 ix: 0,
5975 detail: 0,
5976 is_active: true,
5977 };
5978 pane.handle_tab_drop(&dragged_tab, 0, true, window, cx);
5979 });
5980
5981 // A should be moved to new pane. Both A and B should still be pinned
5982 let (pane_a, pane_b) = workspace.read_with(cx, |workspace, _| {
5983 let panes = workspace.panes();
5984 (panes[0].clone(), panes[1].clone())
5985 });
5986 assert_item_labels(&pane_a, ["B*!"], cx);
5987 assert_item_labels(&pane_b, ["A*!"], cx);
5988 }
5989
5990 #[gpui::test]
5991 async fn test_drag_pinned_tab_into_existing_panes_pinned_region(cx: &mut TestAppContext) {
5992 init_test(cx);
5993 let fs = FakeFs::new(cx.executor());
5994
5995 let project = Project::test(fs, None, cx).await;
5996 let (workspace, cx) =
5997 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5998 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
5999
6000 // Add A to pane A and pin
6001 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6002 pane_a.update_in(cx, |pane, window, cx| {
6003 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6004 pane.pin_tab_at(ix, window, cx);
6005 });
6006 assert_item_labels(&pane_a, ["A*!"], cx);
6007
6008 // Add B to pane B and pin
6009 let pane_b = workspace.update_in(cx, |workspace, window, cx| {
6010 workspace.split_pane(pane_a.clone(), SplitDirection::Right, window, cx)
6011 });
6012 let item_b = add_labeled_item(&pane_b, "B", false, cx);
6013 pane_b.update_in(cx, |pane, window, cx| {
6014 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
6015 pane.pin_tab_at(ix, window, cx);
6016 });
6017 assert_item_labels(&pane_b, ["B*!"], cx);
6018
6019 // Move A from pane A to pane B's pinned region
6020 pane_b.update_in(cx, |pane, window, cx| {
6021 let dragged_tab = DraggedTab {
6022 pane: pane_a.clone(),
6023 item: item_a.boxed_clone(),
6024 ix: 0,
6025 detail: 0,
6026 is_active: true,
6027 };
6028 pane.handle_tab_drop(&dragged_tab, 0, false, window, cx);
6029 });
6030
6031 // A should stay pinned
6032 assert_item_labels(&pane_a, [], cx);
6033 assert_item_labels(&pane_b, ["A*!", "B!"], cx);
6034 }
6035
6036 #[gpui::test]
6037 async fn test_drag_pinned_tab_into_existing_panes_unpinned_region(cx: &mut TestAppContext) {
6038 init_test(cx);
6039 let fs = FakeFs::new(cx.executor());
6040
6041 let project = Project::test(fs, None, cx).await;
6042 let (workspace, cx) =
6043 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6044 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6045
6046 // Add A to pane A and pin
6047 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6048 pane_a.update_in(cx, |pane, window, cx| {
6049 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6050 pane.pin_tab_at(ix, window, cx);
6051 });
6052 assert_item_labels(&pane_a, ["A*!"], cx);
6053
6054 // Create pane B with pinned item B
6055 let pane_b = workspace.update_in(cx, |workspace, window, cx| {
6056 workspace.split_pane(pane_a.clone(), SplitDirection::Right, window, cx)
6057 });
6058 let item_b = add_labeled_item(&pane_b, "B", false, cx);
6059 assert_item_labels(&pane_b, ["B*"], cx);
6060
6061 pane_b.update_in(cx, |pane, window, cx| {
6062 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
6063 pane.pin_tab_at(ix, window, cx);
6064 });
6065 assert_item_labels(&pane_b, ["B*!"], cx);
6066
6067 // Move A from pane A to pane B's unpinned region
6068 pane_b.update_in(cx, |pane, window, cx| {
6069 let dragged_tab = DraggedTab {
6070 pane: pane_a.clone(),
6071 item: item_a.boxed_clone(),
6072 ix: 0,
6073 detail: 0,
6074 is_active: true,
6075 };
6076 pane.handle_tab_drop(&dragged_tab, 1, false, window, cx);
6077 });
6078
6079 // A should become pinned
6080 assert_item_labels(&pane_a, [], cx);
6081 assert_item_labels(&pane_b, ["B!", "A*"], cx);
6082 }
6083
6084 #[gpui::test]
6085 async fn test_drag_pinned_tab_into_existing_panes_first_position_with_no_pinned_tabs(
6086 cx: &mut TestAppContext,
6087 ) {
6088 init_test(cx);
6089 let fs = FakeFs::new(cx.executor());
6090
6091 let project = Project::test(fs, None, cx).await;
6092 let (workspace, cx) =
6093 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6094 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6095
6096 // Add A to pane A and pin
6097 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6098 pane_a.update_in(cx, |pane, window, cx| {
6099 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6100 pane.pin_tab_at(ix, window, cx);
6101 });
6102 assert_item_labels(&pane_a, ["A*!"], cx);
6103
6104 // Add B to pane B
6105 let pane_b = workspace.update_in(cx, |workspace, window, cx| {
6106 workspace.split_pane(pane_a.clone(), SplitDirection::Right, window, cx)
6107 });
6108 add_labeled_item(&pane_b, "B", false, cx);
6109 assert_item_labels(&pane_b, ["B*"], cx);
6110
6111 // Move A from pane A to position 0 in pane B, indicating it should stay pinned
6112 pane_b.update_in(cx, |pane, window, cx| {
6113 let dragged_tab = DraggedTab {
6114 pane: pane_a.clone(),
6115 item: item_a.boxed_clone(),
6116 ix: 0,
6117 detail: 0,
6118 is_active: true,
6119 };
6120 pane.handle_tab_drop(&dragged_tab, 0, false, window, cx);
6121 });
6122
6123 // A should stay pinned
6124 assert_item_labels(&pane_a, [], cx);
6125 assert_item_labels(&pane_b, ["A*!", "B"], cx);
6126 }
6127
6128 #[gpui::test]
6129 async fn test_drag_pinned_tab_into_existing_pane_at_max_capacity_closes_unpinned_tabs(
6130 cx: &mut TestAppContext,
6131 ) {
6132 init_test(cx);
6133 let fs = FakeFs::new(cx.executor());
6134
6135 let project = Project::test(fs, None, cx).await;
6136 let (workspace, cx) =
6137 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6138 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6139 set_max_tabs(cx, Some(2));
6140
6141 // Add A, B to pane A. Pin both
6142 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6143 let item_b = add_labeled_item(&pane_a, "B", false, cx);
6144 pane_a.update_in(cx, |pane, window, cx| {
6145 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6146 pane.pin_tab_at(ix, window, cx);
6147
6148 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
6149 pane.pin_tab_at(ix, window, cx);
6150 });
6151 assert_item_labels(&pane_a, ["A!", "B*!"], cx);
6152
6153 // Add C, D to pane B. Pin both
6154 let pane_b = workspace.update_in(cx, |workspace, window, cx| {
6155 workspace.split_pane(pane_a.clone(), SplitDirection::Right, window, cx)
6156 });
6157 let item_c = add_labeled_item(&pane_b, "C", false, cx);
6158 let item_d = add_labeled_item(&pane_b, "D", false, cx);
6159 pane_b.update_in(cx, |pane, window, cx| {
6160 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
6161 pane.pin_tab_at(ix, window, cx);
6162
6163 let ix = pane.index_for_item_id(item_d.item_id()).unwrap();
6164 pane.pin_tab_at(ix, window, cx);
6165 });
6166 assert_item_labels(&pane_b, ["C!", "D*!"], cx);
6167
6168 // Add a third unpinned item to pane B (exceeds max tabs), but is allowed,
6169 // as we allow 1 tab over max if the others are pinned or dirty
6170 add_labeled_item(&pane_b, "E", false, cx);
6171 assert_item_labels(&pane_b, ["C!", "D!", "E*"], cx);
6172
6173 // Drag pinned A from pane A to position 0 in pane B
6174 pane_b.update_in(cx, |pane, window, cx| {
6175 let dragged_tab = DraggedTab {
6176 pane: pane_a.clone(),
6177 item: item_a.boxed_clone(),
6178 ix: 0,
6179 detail: 0,
6180 is_active: true,
6181 };
6182 pane.handle_tab_drop(&dragged_tab, 0, false, window, cx);
6183 });
6184
6185 // E (unpinned) should be closed, leaving 3 pinned items
6186 assert_item_labels(&pane_a, ["B*!"], cx);
6187 assert_item_labels(&pane_b, ["A*!", "C!", "D!"], cx);
6188 }
6189
6190 #[gpui::test]
6191 async fn test_drag_last_pinned_tab_to_same_position_stays_pinned(cx: &mut TestAppContext) {
6192 init_test(cx);
6193 let fs = FakeFs::new(cx.executor());
6194
6195 let project = Project::test(fs, None, cx).await;
6196 let (workspace, cx) =
6197 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6198 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6199
6200 // Add A to pane A and pin it
6201 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6202 pane_a.update_in(cx, |pane, window, cx| {
6203 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6204 pane.pin_tab_at(ix, window, cx);
6205 });
6206 assert_item_labels(&pane_a, ["A*!"], cx);
6207
6208 // Drag pinned A to position 1 (directly to the right) in the same pane
6209 pane_a.update_in(cx, |pane, window, cx| {
6210 let dragged_tab = DraggedTab {
6211 pane: pane_a.clone(),
6212 item: item_a.boxed_clone(),
6213 ix: 0,
6214 detail: 0,
6215 is_active: true,
6216 };
6217 pane.handle_tab_drop(&dragged_tab, 1, false, window, cx);
6218 });
6219
6220 // A should still be pinned and active
6221 assert_item_labels(&pane_a, ["A*!"], cx);
6222 }
6223
6224 #[gpui::test]
6225 async fn test_drag_pinned_tab_beyond_last_pinned_tab_in_same_pane_stays_pinned(
6226 cx: &mut TestAppContext,
6227 ) {
6228 init_test(cx);
6229 let fs = FakeFs::new(cx.executor());
6230
6231 let project = Project::test(fs, None, cx).await;
6232 let (workspace, cx) =
6233 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6234 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6235
6236 // Add A, B to pane A and pin both
6237 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6238 let item_b = add_labeled_item(&pane_a, "B", false, cx);
6239 pane_a.update_in(cx, |pane, window, cx| {
6240 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6241 pane.pin_tab_at(ix, window, cx);
6242
6243 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
6244 pane.pin_tab_at(ix, window, cx);
6245 });
6246 assert_item_labels(&pane_a, ["A!", "B*!"], cx);
6247
6248 // Drag pinned A right of B in the same pane
6249 pane_a.update_in(cx, |pane, window, cx| {
6250 let dragged_tab = DraggedTab {
6251 pane: pane_a.clone(),
6252 item: item_a.boxed_clone(),
6253 ix: 0,
6254 detail: 0,
6255 is_active: true,
6256 };
6257 pane.handle_tab_drop(&dragged_tab, 2, false, window, cx);
6258 });
6259
6260 // A stays pinned
6261 assert_item_labels(&pane_a, ["B!", "A*!"], cx);
6262 }
6263
6264 #[gpui::test]
6265 async fn test_dragging_pinned_tab_onto_unpinned_tab_reduces_unpinned_tab_count(
6266 cx: &mut TestAppContext,
6267 ) {
6268 init_test(cx);
6269 let fs = FakeFs::new(cx.executor());
6270
6271 let project = Project::test(fs, None, cx).await;
6272 let (workspace, cx) =
6273 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6274 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6275
6276 // Add A, B to pane A and pin A
6277 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6278 add_labeled_item(&pane_a, "B", false, cx);
6279 pane_a.update_in(cx, |pane, window, cx| {
6280 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6281 pane.pin_tab_at(ix, window, cx);
6282 });
6283 assert_item_labels(&pane_a, ["A!", "B*"], cx);
6284
6285 // Drag pinned A on top of B in the same pane, which changes tab order to B, A
6286 pane_a.update_in(cx, |pane, window, cx| {
6287 let dragged_tab = DraggedTab {
6288 pane: pane_a.clone(),
6289 item: item_a.boxed_clone(),
6290 ix: 0,
6291 detail: 0,
6292 is_active: true,
6293 };
6294 pane.handle_tab_drop(&dragged_tab, 1, false, window, cx);
6295 });
6296
6297 // Neither are pinned
6298 assert_item_labels(&pane_a, ["B", "A*"], cx);
6299 }
6300
6301 #[gpui::test]
6302 async fn test_drag_pinned_tab_beyond_unpinned_tab_in_same_pane_becomes_unpinned(
6303 cx: &mut TestAppContext,
6304 ) {
6305 init_test(cx);
6306 let fs = FakeFs::new(cx.executor());
6307
6308 let project = Project::test(fs, None, cx).await;
6309 let (workspace, cx) =
6310 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6311 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6312
6313 // Add A, B to pane A and pin A
6314 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6315 add_labeled_item(&pane_a, "B", false, cx);
6316 pane_a.update_in(cx, |pane, window, cx| {
6317 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6318 pane.pin_tab_at(ix, window, cx);
6319 });
6320 assert_item_labels(&pane_a, ["A!", "B*"], cx);
6321
6322 // Drag pinned A right of B in the same pane
6323 pane_a.update_in(cx, |pane, window, cx| {
6324 let dragged_tab = DraggedTab {
6325 pane: pane_a.clone(),
6326 item: item_a.boxed_clone(),
6327 ix: 0,
6328 detail: 0,
6329 is_active: true,
6330 };
6331 pane.handle_tab_drop(&dragged_tab, 2, false, window, cx);
6332 });
6333
6334 // A becomes unpinned
6335 assert_item_labels(&pane_a, ["B", "A*"], cx);
6336 }
6337
6338 #[gpui::test]
6339 async fn test_drag_unpinned_tab_in_front_of_pinned_tab_in_same_pane_becomes_pinned(
6340 cx: &mut TestAppContext,
6341 ) {
6342 init_test(cx);
6343 let fs = FakeFs::new(cx.executor());
6344
6345 let project = Project::test(fs, None, cx).await;
6346 let (workspace, cx) =
6347 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6348 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6349
6350 // Add A, B to pane A and pin A
6351 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6352 let item_b = add_labeled_item(&pane_a, "B", false, cx);
6353 pane_a.update_in(cx, |pane, window, cx| {
6354 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6355 pane.pin_tab_at(ix, window, cx);
6356 });
6357 assert_item_labels(&pane_a, ["A!", "B*"], cx);
6358
6359 // Drag pinned B left of A in the same pane
6360 pane_a.update_in(cx, |pane, window, cx| {
6361 let dragged_tab = DraggedTab {
6362 pane: pane_a.clone(),
6363 item: item_b.boxed_clone(),
6364 ix: 1,
6365 detail: 0,
6366 is_active: true,
6367 };
6368 pane.handle_tab_drop(&dragged_tab, 0, false, window, cx);
6369 });
6370
6371 // A becomes unpinned
6372 assert_item_labels(&pane_a, ["B*!", "A!"], cx);
6373 }
6374
6375 #[gpui::test]
6376 async fn test_drag_unpinned_tab_to_the_pinned_region_stays_pinned(cx: &mut TestAppContext) {
6377 init_test(cx);
6378 let fs = FakeFs::new(cx.executor());
6379
6380 let project = Project::test(fs, None, cx).await;
6381 let (workspace, cx) =
6382 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6383 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6384
6385 // Add A, B, C to pane A and pin A
6386 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6387 add_labeled_item(&pane_a, "B", false, cx);
6388 let item_c = add_labeled_item(&pane_a, "C", false, cx);
6389 pane_a.update_in(cx, |pane, window, cx| {
6390 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6391 pane.pin_tab_at(ix, window, cx);
6392 });
6393 assert_item_labels(&pane_a, ["A!", "B", "C*"], cx);
6394
6395 // Drag pinned C left of B in the same pane
6396 pane_a.update_in(cx, |pane, window, cx| {
6397 let dragged_tab = DraggedTab {
6398 pane: pane_a.clone(),
6399 item: item_c.boxed_clone(),
6400 ix: 2,
6401 detail: 0,
6402 is_active: true,
6403 };
6404 pane.handle_tab_drop(&dragged_tab, 1, false, window, cx);
6405 });
6406
6407 // A stays pinned, B and C remain unpinned
6408 assert_item_labels(&pane_a, ["A!", "C*", "B"], cx);
6409 }
6410
6411 #[gpui::test]
6412 async fn test_drag_unpinned_tab_into_existing_panes_pinned_region(cx: &mut TestAppContext) {
6413 init_test(cx);
6414 let fs = FakeFs::new(cx.executor());
6415
6416 let project = Project::test(fs, None, cx).await;
6417 let (workspace, cx) =
6418 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6419 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6420
6421 // Add unpinned item A to pane A
6422 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6423 assert_item_labels(&pane_a, ["A*"], cx);
6424
6425 // Create pane B with pinned item B
6426 let pane_b = workspace.update_in(cx, |workspace, window, cx| {
6427 workspace.split_pane(pane_a.clone(), SplitDirection::Right, window, cx)
6428 });
6429 let item_b = add_labeled_item(&pane_b, "B", false, cx);
6430 pane_b.update_in(cx, |pane, window, cx| {
6431 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
6432 pane.pin_tab_at(ix, window, cx);
6433 });
6434 assert_item_labels(&pane_b, ["B*!"], cx);
6435
6436 // Move A from pane A to pane B's pinned region
6437 pane_b.update_in(cx, |pane, window, cx| {
6438 let dragged_tab = DraggedTab {
6439 pane: pane_a.clone(),
6440 item: item_a.boxed_clone(),
6441 ix: 0,
6442 detail: 0,
6443 is_active: true,
6444 };
6445 pane.handle_tab_drop(&dragged_tab, 0, false, window, cx);
6446 });
6447
6448 // A should become pinned since it was dropped in the pinned region
6449 assert_item_labels(&pane_a, [], cx);
6450 assert_item_labels(&pane_b, ["A*!", "B!"], cx);
6451 }
6452
6453 #[gpui::test]
6454 async fn test_drag_unpinned_tab_into_existing_panes_unpinned_region(cx: &mut TestAppContext) {
6455 init_test(cx);
6456 let fs = FakeFs::new(cx.executor());
6457
6458 let project = Project::test(fs, None, cx).await;
6459 let (workspace, cx) =
6460 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6461 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6462
6463 // Add unpinned item A to pane A
6464 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6465 assert_item_labels(&pane_a, ["A*"], cx);
6466
6467 // Create pane B with one pinned item B
6468 let pane_b = workspace.update_in(cx, |workspace, window, cx| {
6469 workspace.split_pane(pane_a.clone(), SplitDirection::Right, window, cx)
6470 });
6471 let item_b = add_labeled_item(&pane_b, "B", false, cx);
6472 pane_b.update_in(cx, |pane, window, cx| {
6473 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
6474 pane.pin_tab_at(ix, window, cx);
6475 });
6476 assert_item_labels(&pane_b, ["B*!"], cx);
6477
6478 // Move A from pane A to pane B's unpinned region
6479 pane_b.update_in(cx, |pane, window, cx| {
6480 let dragged_tab = DraggedTab {
6481 pane: pane_a.clone(),
6482 item: item_a.boxed_clone(),
6483 ix: 0,
6484 detail: 0,
6485 is_active: true,
6486 };
6487 pane.handle_tab_drop(&dragged_tab, 1, true, window, cx);
6488 });
6489
6490 // A should remain unpinned since it was dropped outside the pinned region
6491 assert_item_labels(&pane_a, [], cx);
6492 assert_item_labels(&pane_b, ["B!", "A*"], cx);
6493 }
6494
6495 #[gpui::test]
6496 async fn test_drag_pinned_tab_throughout_entire_range_of_pinned_tabs_both_directions(
6497 cx: &mut TestAppContext,
6498 ) {
6499 init_test(cx);
6500 let fs = FakeFs::new(cx.executor());
6501
6502 let project = Project::test(fs, None, cx).await;
6503 let (workspace, cx) =
6504 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6505 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6506
6507 // Add A, B, C and pin all
6508 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6509 let item_b = add_labeled_item(&pane_a, "B", false, cx);
6510 let item_c = add_labeled_item(&pane_a, "C", false, cx);
6511 assert_item_labels(&pane_a, ["A", "B", "C*"], cx);
6512
6513 pane_a.update_in(cx, |pane, window, cx| {
6514 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
6515 pane.pin_tab_at(ix, window, cx);
6516
6517 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
6518 pane.pin_tab_at(ix, window, cx);
6519
6520 let ix = pane.index_for_item_id(item_c.item_id()).unwrap();
6521 pane.pin_tab_at(ix, window, cx);
6522 });
6523 assert_item_labels(&pane_a, ["A!", "B!", "C*!"], cx);
6524
6525 // Move A to right of B
6526 pane_a.update_in(cx, |pane, window, cx| {
6527 let dragged_tab = DraggedTab {
6528 pane: pane_a.clone(),
6529 item: item_a.boxed_clone(),
6530 ix: 0,
6531 detail: 0,
6532 is_active: true,
6533 };
6534 pane.handle_tab_drop(&dragged_tab, 1, false, window, cx);
6535 });
6536
6537 // A should be after B and all are pinned
6538 assert_item_labels(&pane_a, ["B!", "A*!", "C!"], cx);
6539
6540 // Move A to right of C
6541 pane_a.update_in(cx, |pane, window, cx| {
6542 let dragged_tab = DraggedTab {
6543 pane: pane_a.clone(),
6544 item: item_a.boxed_clone(),
6545 ix: 1,
6546 detail: 0,
6547 is_active: true,
6548 };
6549 pane.handle_tab_drop(&dragged_tab, 2, false, window, cx);
6550 });
6551
6552 // A should be after C and all are pinned
6553 assert_item_labels(&pane_a, ["B!", "C!", "A*!"], cx);
6554
6555 // Move A to left of C
6556 pane_a.update_in(cx, |pane, window, cx| {
6557 let dragged_tab = DraggedTab {
6558 pane: pane_a.clone(),
6559 item: item_a.boxed_clone(),
6560 ix: 2,
6561 detail: 0,
6562 is_active: true,
6563 };
6564 pane.handle_tab_drop(&dragged_tab, 1, false, window, cx);
6565 });
6566
6567 // A should be before C and all are pinned
6568 assert_item_labels(&pane_a, ["B!", "A*!", "C!"], cx);
6569
6570 // Move A to left of B
6571 pane_a.update_in(cx, |pane, window, cx| {
6572 let dragged_tab = DraggedTab {
6573 pane: pane_a.clone(),
6574 item: item_a.boxed_clone(),
6575 ix: 1,
6576 detail: 0,
6577 is_active: true,
6578 };
6579 pane.handle_tab_drop(&dragged_tab, 0, false, window, cx);
6580 });
6581
6582 // A should be before B and all are pinned
6583 assert_item_labels(&pane_a, ["A*!", "B!", "C!"], cx);
6584 }
6585
6586 #[gpui::test]
6587 async fn test_drag_first_tab_to_last_position(cx: &mut TestAppContext) {
6588 init_test(cx);
6589 let fs = FakeFs::new(cx.executor());
6590
6591 let project = Project::test(fs, None, cx).await;
6592 let (workspace, cx) =
6593 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6594 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6595
6596 // Add A, B, C
6597 let item_a = add_labeled_item(&pane_a, "A", false, cx);
6598 add_labeled_item(&pane_a, "B", false, cx);
6599 add_labeled_item(&pane_a, "C", false, cx);
6600 assert_item_labels(&pane_a, ["A", "B", "C*"], cx);
6601
6602 // Move A to the end
6603 pane_a.update_in(cx, |pane, window, cx| {
6604 let dragged_tab = DraggedTab {
6605 pane: pane_a.clone(),
6606 item: item_a.boxed_clone(),
6607 ix: 0,
6608 detail: 0,
6609 is_active: true,
6610 };
6611 pane.handle_tab_drop(&dragged_tab, 2, false, window, cx);
6612 });
6613
6614 // A should be at the end
6615 assert_item_labels(&pane_a, ["B", "C", "A*"], cx);
6616 }
6617
6618 #[gpui::test]
6619 async fn test_drag_last_tab_to_first_position(cx: &mut TestAppContext) {
6620 init_test(cx);
6621 let fs = FakeFs::new(cx.executor());
6622
6623 let project = Project::test(fs, None, cx).await;
6624 let (workspace, cx) =
6625 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6626 let pane_a = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6627
6628 // Add A, B, C
6629 add_labeled_item(&pane_a, "A", false, cx);
6630 add_labeled_item(&pane_a, "B", false, cx);
6631 let item_c = add_labeled_item(&pane_a, "C", false, cx);
6632 assert_item_labels(&pane_a, ["A", "B", "C*"], cx);
6633
6634 // Move C to the beginning
6635 pane_a.update_in(cx, |pane, window, cx| {
6636 let dragged_tab = DraggedTab {
6637 pane: pane_a.clone(),
6638 item: item_c.boxed_clone(),
6639 ix: 2,
6640 detail: 0,
6641 is_active: true,
6642 };
6643 pane.handle_tab_drop(&dragged_tab, 0, false, window, cx);
6644 });
6645
6646 // C should be at the beginning
6647 assert_item_labels(&pane_a, ["C*", "A", "B"], cx);
6648 }
6649
6650 #[gpui::test]
6651 async fn test_drag_tab_to_middle_tab_with_mouse_events(cx: &mut TestAppContext) {
6652 use gpui::{Modifiers, MouseButton, MouseDownEvent, MouseMoveEvent, MouseUpEvent};
6653
6654 init_test(cx);
6655 let fs = FakeFs::new(cx.executor());
6656
6657 let project = Project::test(fs, None, cx).await;
6658 let (workspace, cx) =
6659 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6660 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6661
6662 add_labeled_item(&pane, "A", false, cx);
6663 add_labeled_item(&pane, "B", false, cx);
6664 add_labeled_item(&pane, "C", false, cx);
6665 add_labeled_item(&pane, "D", false, cx);
6666 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
6667 cx.run_until_parked();
6668
6669 let tab_a_bounds = cx
6670 .debug_bounds("TAB-0")
6671 .expect("Tab A (index 0) should have debug bounds");
6672 let tab_c_bounds = cx
6673 .debug_bounds("TAB-2")
6674 .expect("Tab C (index 2) should have debug bounds");
6675
6676 cx.simulate_event(MouseDownEvent {
6677 position: tab_a_bounds.center(),
6678 button: MouseButton::Left,
6679 modifiers: Modifiers::default(),
6680 click_count: 1,
6681 first_mouse: false,
6682 });
6683 cx.run_until_parked();
6684 cx.simulate_event(MouseMoveEvent {
6685 position: tab_c_bounds.center(),
6686 pressed_button: Some(MouseButton::Left),
6687 modifiers: Modifiers::default(),
6688 });
6689 cx.run_until_parked();
6690 cx.simulate_event(MouseUpEvent {
6691 position: tab_c_bounds.center(),
6692 button: MouseButton::Left,
6693 modifiers: Modifiers::default(),
6694 click_count: 1,
6695 });
6696 cx.run_until_parked();
6697
6698 assert_item_labels(&pane, ["B", "C", "A*", "D"], cx);
6699 }
6700
6701 #[gpui::test]
6702 async fn test_drag_pinned_tab_when_show_pinned_tabs_in_separate_row_enabled(
6703 cx: &mut TestAppContext,
6704 ) {
6705 use gpui::{Modifiers, MouseButton, MouseDownEvent, MouseMoveEvent, MouseUpEvent};
6706
6707 init_test(cx);
6708 set_pinned_tabs_separate_row(cx, true);
6709 let fs = FakeFs::new(cx.executor());
6710
6711 let project = Project::test(fs, None, cx).await;
6712 let (workspace, cx) =
6713 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6714 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6715
6716 let item_a = add_labeled_item(&pane, "A", false, cx);
6717 let item_b = add_labeled_item(&pane, "B", false, cx);
6718 let item_c = add_labeled_item(&pane, "C", false, cx);
6719 let item_d = add_labeled_item(&pane, "D", false, cx);
6720
6721 pane.update_in(cx, |pane, window, cx| {
6722 pane.pin_tab_at(
6723 pane.index_for_item_id(item_a.item_id()).unwrap(),
6724 window,
6725 cx,
6726 );
6727 pane.pin_tab_at(
6728 pane.index_for_item_id(item_b.item_id()).unwrap(),
6729 window,
6730 cx,
6731 );
6732 pane.pin_tab_at(
6733 pane.index_for_item_id(item_c.item_id()).unwrap(),
6734 window,
6735 cx,
6736 );
6737 pane.pin_tab_at(
6738 pane.index_for_item_id(item_d.item_id()).unwrap(),
6739 window,
6740 cx,
6741 );
6742 });
6743 assert_item_labels(&pane, ["A!", "B!", "C!", "D*!"], cx);
6744 cx.run_until_parked();
6745
6746 let tab_a_bounds = cx
6747 .debug_bounds("TAB-0")
6748 .expect("Tab A (index 0) should have debug bounds");
6749 let tab_c_bounds = cx
6750 .debug_bounds("TAB-2")
6751 .expect("Tab C (index 2) should have debug bounds");
6752
6753 cx.simulate_event(MouseDownEvent {
6754 position: tab_a_bounds.center(),
6755 button: MouseButton::Left,
6756 modifiers: Modifiers::default(),
6757 click_count: 1,
6758 first_mouse: false,
6759 });
6760 cx.run_until_parked();
6761 cx.simulate_event(MouseMoveEvent {
6762 position: tab_c_bounds.center(),
6763 pressed_button: Some(MouseButton::Left),
6764 modifiers: Modifiers::default(),
6765 });
6766 cx.run_until_parked();
6767 cx.simulate_event(MouseUpEvent {
6768 position: tab_c_bounds.center(),
6769 button: MouseButton::Left,
6770 modifiers: Modifiers::default(),
6771 click_count: 1,
6772 });
6773 cx.run_until_parked();
6774
6775 assert_item_labels(&pane, ["B!", "C!", "A*!", "D!"], cx);
6776 }
6777
6778 #[gpui::test]
6779 async fn test_drag_unpinned_tab_when_show_pinned_tabs_in_separate_row_enabled(
6780 cx: &mut TestAppContext,
6781 ) {
6782 use gpui::{Modifiers, MouseButton, MouseDownEvent, MouseMoveEvent, MouseUpEvent};
6783
6784 init_test(cx);
6785 set_pinned_tabs_separate_row(cx, true);
6786 let fs = FakeFs::new(cx.executor());
6787
6788 let project = Project::test(fs, None, cx).await;
6789 let (workspace, cx) =
6790 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6791 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6792
6793 add_labeled_item(&pane, "A", false, cx);
6794 add_labeled_item(&pane, "B", false, cx);
6795 add_labeled_item(&pane, "C", false, cx);
6796 add_labeled_item(&pane, "D", false, cx);
6797 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
6798 cx.run_until_parked();
6799
6800 let tab_a_bounds = cx
6801 .debug_bounds("TAB-0")
6802 .expect("Tab A (index 0) should have debug bounds");
6803 let tab_c_bounds = cx
6804 .debug_bounds("TAB-2")
6805 .expect("Tab C (index 2) should have debug bounds");
6806
6807 cx.simulate_event(MouseDownEvent {
6808 position: tab_a_bounds.center(),
6809 button: MouseButton::Left,
6810 modifiers: Modifiers::default(),
6811 click_count: 1,
6812 first_mouse: false,
6813 });
6814 cx.run_until_parked();
6815 cx.simulate_event(MouseMoveEvent {
6816 position: tab_c_bounds.center(),
6817 pressed_button: Some(MouseButton::Left),
6818 modifiers: Modifiers::default(),
6819 });
6820 cx.run_until_parked();
6821 cx.simulate_event(MouseUpEvent {
6822 position: tab_c_bounds.center(),
6823 button: MouseButton::Left,
6824 modifiers: Modifiers::default(),
6825 click_count: 1,
6826 });
6827 cx.run_until_parked();
6828
6829 assert_item_labels(&pane, ["B", "C", "A*", "D"], cx);
6830 }
6831
6832 #[gpui::test]
6833 async fn test_drag_mixed_tabs_when_show_pinned_tabs_in_separate_row_enabled(
6834 cx: &mut TestAppContext,
6835 ) {
6836 use gpui::{Modifiers, MouseButton, MouseDownEvent, MouseMoveEvent, MouseUpEvent};
6837
6838 init_test(cx);
6839 set_pinned_tabs_separate_row(cx, true);
6840 let fs = FakeFs::new(cx.executor());
6841
6842 let project = Project::test(fs, None, cx).await;
6843 let (workspace, cx) =
6844 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6845 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6846
6847 let item_a = add_labeled_item(&pane, "A", false, cx);
6848 let item_b = add_labeled_item(&pane, "B", false, cx);
6849 add_labeled_item(&pane, "C", false, cx);
6850 add_labeled_item(&pane, "D", false, cx);
6851 add_labeled_item(&pane, "E", false, cx);
6852 add_labeled_item(&pane, "F", false, cx);
6853
6854 pane.update_in(cx, |pane, window, cx| {
6855 pane.pin_tab_at(
6856 pane.index_for_item_id(item_a.item_id()).unwrap(),
6857 window,
6858 cx,
6859 );
6860 pane.pin_tab_at(
6861 pane.index_for_item_id(item_b.item_id()).unwrap(),
6862 window,
6863 cx,
6864 );
6865 });
6866 assert_item_labels(&pane, ["A!", "B!", "C", "D", "E", "F*"], cx);
6867 cx.run_until_parked();
6868
6869 let tab_c_bounds = cx
6870 .debug_bounds("TAB-2")
6871 .expect("Tab C (index 2) should have debug bounds");
6872 let tab_e_bounds = cx
6873 .debug_bounds("TAB-4")
6874 .expect("Tab E (index 4) should have debug bounds");
6875
6876 cx.simulate_event(MouseDownEvent {
6877 position: tab_c_bounds.center(),
6878 button: MouseButton::Left,
6879 modifiers: Modifiers::default(),
6880 click_count: 1,
6881 first_mouse: false,
6882 });
6883 cx.run_until_parked();
6884 cx.simulate_event(MouseMoveEvent {
6885 position: tab_e_bounds.center(),
6886 pressed_button: Some(MouseButton::Left),
6887 modifiers: Modifiers::default(),
6888 });
6889 cx.run_until_parked();
6890 cx.simulate_event(MouseUpEvent {
6891 position: tab_e_bounds.center(),
6892 button: MouseButton::Left,
6893 modifiers: Modifiers::default(),
6894 click_count: 1,
6895 });
6896 cx.run_until_parked();
6897
6898 assert_item_labels(&pane, ["A!", "B!", "D", "E", "C*", "F"], cx);
6899 }
6900
6901 #[gpui::test]
6902 async fn test_middle_click_pinned_tab_does_not_close(cx: &mut TestAppContext) {
6903 use gpui::{Modifiers, MouseButton, MouseDownEvent, MouseUpEvent};
6904
6905 init_test(cx);
6906 let fs = FakeFs::new(cx.executor());
6907
6908 let project = Project::test(fs, None, cx).await;
6909 let (workspace, cx) =
6910 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6911 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6912
6913 let item_a = add_labeled_item(&pane, "A", false, cx);
6914 add_labeled_item(&pane, "B", false, cx);
6915
6916 pane.update_in(cx, |pane, window, cx| {
6917 pane.pin_tab_at(
6918 pane.index_for_item_id(item_a.item_id()).unwrap(),
6919 window,
6920 cx,
6921 );
6922 });
6923 assert_item_labels(&pane, ["A!", "B*"], cx);
6924 cx.run_until_parked();
6925
6926 let tab_a_bounds = cx
6927 .debug_bounds("TAB-0")
6928 .expect("Tab A (index 1) should have debug bounds");
6929 let tab_b_bounds = cx
6930 .debug_bounds("TAB-1")
6931 .expect("Tab B (index 2) should have debug bounds");
6932
6933 cx.simulate_event(MouseDownEvent {
6934 position: tab_a_bounds.center(),
6935 button: MouseButton::Middle,
6936 modifiers: Modifiers::default(),
6937 click_count: 1,
6938 first_mouse: false,
6939 });
6940
6941 cx.run_until_parked();
6942
6943 cx.simulate_event(MouseUpEvent {
6944 position: tab_a_bounds.center(),
6945 button: MouseButton::Middle,
6946 modifiers: Modifiers::default(),
6947 click_count: 1,
6948 });
6949
6950 cx.run_until_parked();
6951
6952 cx.simulate_event(MouseDownEvent {
6953 position: tab_b_bounds.center(),
6954 button: MouseButton::Middle,
6955 modifiers: Modifiers::default(),
6956 click_count: 1,
6957 first_mouse: false,
6958 });
6959
6960 cx.run_until_parked();
6961
6962 cx.simulate_event(MouseUpEvent {
6963 position: tab_b_bounds.center(),
6964 button: MouseButton::Middle,
6965 modifiers: Modifiers::default(),
6966 click_count: 1,
6967 });
6968
6969 cx.run_until_parked();
6970
6971 assert_item_labels(&pane, ["A*!"], cx);
6972 }
6973
6974 #[gpui::test]
6975 async fn test_add_item_with_new_item(cx: &mut TestAppContext) {
6976 init_test(cx);
6977 let fs = FakeFs::new(cx.executor());
6978
6979 let project = Project::test(fs, None, cx).await;
6980 let (workspace, cx) =
6981 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6982 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
6983
6984 // 1. Add with a destination index
6985 // a. Add before the active item
6986 set_labeled_items(&pane, ["A", "B*", "C"], cx);
6987 pane.update_in(cx, |pane, window, cx| {
6988 pane.add_item(
6989 Box::new(cx.new(|cx| TestItem::new(cx).with_label("D"))),
6990 false,
6991 false,
6992 Some(0),
6993 window,
6994 cx,
6995 );
6996 });
6997 assert_item_labels(&pane, ["D*", "A", "B", "C"], cx);
6998
6999 // b. Add after the active item
7000 set_labeled_items(&pane, ["A", "B*", "C"], cx);
7001 pane.update_in(cx, |pane, window, cx| {
7002 pane.add_item(
7003 Box::new(cx.new(|cx| TestItem::new(cx).with_label("D"))),
7004 false,
7005 false,
7006 Some(2),
7007 window,
7008 cx,
7009 );
7010 });
7011 assert_item_labels(&pane, ["A", "B", "D*", "C"], cx);
7012
7013 // c. Add at the end of the item list (including off the length)
7014 set_labeled_items(&pane, ["A", "B*", "C"], cx);
7015 pane.update_in(cx, |pane, window, cx| {
7016 pane.add_item(
7017 Box::new(cx.new(|cx| TestItem::new(cx).with_label("D"))),
7018 false,
7019 false,
7020 Some(5),
7021 window,
7022 cx,
7023 );
7024 });
7025 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
7026
7027 // 2. Add without a destination index
7028 // a. Add with active item at the start of the item list
7029 set_labeled_items(&pane, ["A*", "B", "C"], cx);
7030 pane.update_in(cx, |pane, window, cx| {
7031 pane.add_item(
7032 Box::new(cx.new(|cx| TestItem::new(cx).with_label("D"))),
7033 false,
7034 false,
7035 None,
7036 window,
7037 cx,
7038 );
7039 });
7040 set_labeled_items(&pane, ["A", "D*", "B", "C"], cx);
7041
7042 // b. Add with active item at the end of the item list
7043 set_labeled_items(&pane, ["A", "B", "C*"], cx);
7044 pane.update_in(cx, |pane, window, cx| {
7045 pane.add_item(
7046 Box::new(cx.new(|cx| TestItem::new(cx).with_label("D"))),
7047 false,
7048 false,
7049 None,
7050 window,
7051 cx,
7052 );
7053 });
7054 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
7055 }
7056
7057 #[gpui::test]
7058 async fn test_add_item_with_existing_item(cx: &mut TestAppContext) {
7059 init_test(cx);
7060 let fs = FakeFs::new(cx.executor());
7061
7062 let project = Project::test(fs, None, cx).await;
7063 let (workspace, cx) =
7064 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7065 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7066
7067 // 1. Add with a destination index
7068 // 1a. Add before the active item
7069 let [_, _, _, d] = set_labeled_items(&pane, ["A", "B*", "C", "D"], cx);
7070 pane.update_in(cx, |pane, window, cx| {
7071 pane.add_item(d, false, false, Some(0), window, cx);
7072 });
7073 assert_item_labels(&pane, ["D*", "A", "B", "C"], cx);
7074
7075 // 1b. Add after the active item
7076 let [_, _, _, d] = set_labeled_items(&pane, ["A", "B*", "C", "D"], cx);
7077 pane.update_in(cx, |pane, window, cx| {
7078 pane.add_item(d, false, false, Some(2), window, cx);
7079 });
7080 assert_item_labels(&pane, ["A", "B", "D*", "C"], cx);
7081
7082 // 1c. Add at the end of the item list (including off the length)
7083 let [a, _, _, _] = set_labeled_items(&pane, ["A", "B*", "C", "D"], cx);
7084 pane.update_in(cx, |pane, window, cx| {
7085 pane.add_item(a, false, false, Some(5), window, cx);
7086 });
7087 assert_item_labels(&pane, ["B", "C", "D", "A*"], cx);
7088
7089 // 1d. Add same item to active index
7090 let [_, b, _] = set_labeled_items(&pane, ["A", "B*", "C"], cx);
7091 pane.update_in(cx, |pane, window, cx| {
7092 pane.add_item(b, false, false, Some(1), window, cx);
7093 });
7094 assert_item_labels(&pane, ["A", "B*", "C"], cx);
7095
7096 // 1e. Add item to index after same item in last position
7097 let [_, _, c] = set_labeled_items(&pane, ["A", "B*", "C"], cx);
7098 pane.update_in(cx, |pane, window, cx| {
7099 pane.add_item(c, false, false, Some(2), window, cx);
7100 });
7101 assert_item_labels(&pane, ["A", "B", "C*"], cx);
7102
7103 // 2. Add without a destination index
7104 // 2a. Add with active item at the start of the item list
7105 let [_, _, _, d] = set_labeled_items(&pane, ["A*", "B", "C", "D"], cx);
7106 pane.update_in(cx, |pane, window, cx| {
7107 pane.add_item(d, false, false, None, window, cx);
7108 });
7109 assert_item_labels(&pane, ["A", "D*", "B", "C"], cx);
7110
7111 // 2b. Add with active item at the end of the item list
7112 let [a, _, _, _] = set_labeled_items(&pane, ["A", "B", "C", "D*"], cx);
7113 pane.update_in(cx, |pane, window, cx| {
7114 pane.add_item(a, false, false, None, window, cx);
7115 });
7116 assert_item_labels(&pane, ["B", "C", "D", "A*"], cx);
7117
7118 // 2c. Add active item to active item at end of list
7119 let [_, _, c] = set_labeled_items(&pane, ["A", "B", "C*"], cx);
7120 pane.update_in(cx, |pane, window, cx| {
7121 pane.add_item(c, false, false, None, window, cx);
7122 });
7123 assert_item_labels(&pane, ["A", "B", "C*"], cx);
7124
7125 // 2d. Add active item to active item at start of list
7126 let [a, _, _] = set_labeled_items(&pane, ["A*", "B", "C"], cx);
7127 pane.update_in(cx, |pane, window, cx| {
7128 pane.add_item(a, false, false, None, window, cx);
7129 });
7130 assert_item_labels(&pane, ["A*", "B", "C"], cx);
7131 }
7132
7133 #[gpui::test]
7134 async fn test_add_item_with_same_project_entries(cx: &mut TestAppContext) {
7135 init_test(cx);
7136 let fs = FakeFs::new(cx.executor());
7137
7138 let project = Project::test(fs, None, cx).await;
7139 let (workspace, cx) =
7140 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7141 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7142
7143 // singleton view
7144 pane.update_in(cx, |pane, window, cx| {
7145 pane.add_item(
7146 Box::new(cx.new(|cx| {
7147 TestItem::new(cx)
7148 .with_buffer_kind(ItemBufferKind::Singleton)
7149 .with_label("buffer 1")
7150 .with_project_items(&[TestProjectItem::new(1, "one.txt", cx)])
7151 })),
7152 false,
7153 false,
7154 None,
7155 window,
7156 cx,
7157 );
7158 });
7159 assert_item_labels(&pane, ["buffer 1*"], cx);
7160
7161 // new singleton view with the same project entry
7162 pane.update_in(cx, |pane, window, cx| {
7163 pane.add_item(
7164 Box::new(cx.new(|cx| {
7165 TestItem::new(cx)
7166 .with_buffer_kind(ItemBufferKind::Singleton)
7167 .with_label("buffer 1")
7168 .with_project_items(&[TestProjectItem::new(1, "1.txt", cx)])
7169 })),
7170 false,
7171 false,
7172 None,
7173 window,
7174 cx,
7175 );
7176 });
7177 assert_item_labels(&pane, ["buffer 1*"], cx);
7178
7179 // new singleton view with different project entry
7180 pane.update_in(cx, |pane, window, cx| {
7181 pane.add_item(
7182 Box::new(cx.new(|cx| {
7183 TestItem::new(cx)
7184 .with_buffer_kind(ItemBufferKind::Singleton)
7185 .with_label("buffer 2")
7186 .with_project_items(&[TestProjectItem::new(2, "2.txt", cx)])
7187 })),
7188 false,
7189 false,
7190 None,
7191 window,
7192 cx,
7193 );
7194 });
7195 assert_item_labels(&pane, ["buffer 1", "buffer 2*"], cx);
7196
7197 // new multibuffer view with the same project entry
7198 pane.update_in(cx, |pane, window, cx| {
7199 pane.add_item(
7200 Box::new(cx.new(|cx| {
7201 TestItem::new(cx)
7202 .with_buffer_kind(ItemBufferKind::Multibuffer)
7203 .with_label("multibuffer 1")
7204 .with_project_items(&[TestProjectItem::new(1, "1.txt", cx)])
7205 })),
7206 false,
7207 false,
7208 None,
7209 window,
7210 cx,
7211 );
7212 });
7213 assert_item_labels(&pane, ["buffer 1", "buffer 2", "multibuffer 1*"], cx);
7214
7215 // another multibuffer view with the same project entry
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::Multibuffer)
7221 .with_label("multibuffer 1b")
7222 .with_project_items(&[TestProjectItem::new(1, "1.txt", cx)])
7223 })),
7224 false,
7225 false,
7226 None,
7227 window,
7228 cx,
7229 );
7230 });
7231 assert_item_labels(
7232 &pane,
7233 ["buffer 1", "buffer 2", "multibuffer 1", "multibuffer 1b*"],
7234 cx,
7235 );
7236 }
7237
7238 #[gpui::test]
7239 async fn test_remove_item_ordering_history(cx: &mut TestAppContext) {
7240 init_test(cx);
7241 let fs = FakeFs::new(cx.executor());
7242
7243 let project = Project::test(fs, None, cx).await;
7244 let (workspace, cx) =
7245 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7246 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7247
7248 add_labeled_item(&pane, "A", false, cx);
7249 add_labeled_item(&pane, "B", false, cx);
7250 add_labeled_item(&pane, "C", false, cx);
7251 add_labeled_item(&pane, "D", false, cx);
7252 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
7253
7254 pane.update_in(cx, |pane, window, cx| {
7255 pane.activate_item(1, false, false, window, cx)
7256 });
7257 add_labeled_item(&pane, "1", false, cx);
7258 assert_item_labels(&pane, ["A", "B", "1*", "C", "D"], cx);
7259
7260 pane.update_in(cx, |pane, window, cx| {
7261 pane.close_active_item(
7262 &CloseActiveItem {
7263 save_intent: None,
7264 close_pinned: false,
7265 },
7266 window,
7267 cx,
7268 )
7269 })
7270 .await
7271 .unwrap();
7272 assert_item_labels(&pane, ["A", "B*", "C", "D"], cx);
7273
7274 pane.update_in(cx, |pane, window, cx| {
7275 pane.activate_item(3, false, false, window, cx)
7276 });
7277 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
7278
7279 pane.update_in(cx, |pane, window, cx| {
7280 pane.close_active_item(
7281 &CloseActiveItem {
7282 save_intent: None,
7283 close_pinned: false,
7284 },
7285 window,
7286 cx,
7287 )
7288 })
7289 .await
7290 .unwrap();
7291 assert_item_labels(&pane, ["A", "B*", "C"], cx);
7292
7293 pane.update_in(cx, |pane, window, cx| {
7294 pane.close_active_item(
7295 &CloseActiveItem {
7296 save_intent: None,
7297 close_pinned: false,
7298 },
7299 window,
7300 cx,
7301 )
7302 })
7303 .await
7304 .unwrap();
7305 assert_item_labels(&pane, ["A", "C*"], cx);
7306
7307 pane.update_in(cx, |pane, window, cx| {
7308 pane.close_active_item(
7309 &CloseActiveItem {
7310 save_intent: None,
7311 close_pinned: false,
7312 },
7313 window,
7314 cx,
7315 )
7316 })
7317 .await
7318 .unwrap();
7319 assert_item_labels(&pane, ["A*"], cx);
7320 }
7321
7322 #[gpui::test]
7323 async fn test_remove_item_ordering_neighbour(cx: &mut TestAppContext) {
7324 init_test(cx);
7325 cx.update_global::<SettingsStore, ()>(|s, cx| {
7326 s.update_user_settings(cx, |s| {
7327 s.tabs.get_or_insert_default().activate_on_close = Some(ActivateOnClose::Neighbour);
7328 });
7329 });
7330 let fs = FakeFs::new(cx.executor());
7331
7332 let project = Project::test(fs, None, cx).await;
7333 let (workspace, cx) =
7334 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7335 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7336
7337 add_labeled_item(&pane, "A", false, cx);
7338 add_labeled_item(&pane, "B", false, cx);
7339 add_labeled_item(&pane, "C", false, cx);
7340 add_labeled_item(&pane, "D", false, cx);
7341 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
7342
7343 pane.update_in(cx, |pane, window, cx| {
7344 pane.activate_item(1, false, false, window, cx)
7345 });
7346 add_labeled_item(&pane, "1", false, cx);
7347 assert_item_labels(&pane, ["A", "B", "1*", "C", "D"], cx);
7348
7349 pane.update_in(cx, |pane, window, cx| {
7350 pane.close_active_item(
7351 &CloseActiveItem {
7352 save_intent: None,
7353 close_pinned: false,
7354 },
7355 window,
7356 cx,
7357 )
7358 })
7359 .await
7360 .unwrap();
7361 assert_item_labels(&pane, ["A", "B", "C*", "D"], cx);
7362
7363 pane.update_in(cx, |pane, window, cx| {
7364 pane.activate_item(3, false, false, window, cx)
7365 });
7366 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
7367
7368 pane.update_in(cx, |pane, window, cx| {
7369 pane.close_active_item(
7370 &CloseActiveItem {
7371 save_intent: None,
7372 close_pinned: false,
7373 },
7374 window,
7375 cx,
7376 )
7377 })
7378 .await
7379 .unwrap();
7380 assert_item_labels(&pane, ["A", "B", "C*"], cx);
7381
7382 pane.update_in(cx, |pane, window, cx| {
7383 pane.close_active_item(
7384 &CloseActiveItem {
7385 save_intent: None,
7386 close_pinned: false,
7387 },
7388 window,
7389 cx,
7390 )
7391 })
7392 .await
7393 .unwrap();
7394 assert_item_labels(&pane, ["A", "B*"], cx);
7395
7396 pane.update_in(cx, |pane, window, cx| {
7397 pane.close_active_item(
7398 &CloseActiveItem {
7399 save_intent: None,
7400 close_pinned: false,
7401 },
7402 window,
7403 cx,
7404 )
7405 })
7406 .await
7407 .unwrap();
7408 assert_item_labels(&pane, ["A*"], cx);
7409 }
7410
7411 #[gpui::test]
7412 async fn test_remove_item_ordering_left_neighbour(cx: &mut TestAppContext) {
7413 init_test(cx);
7414 cx.update_global::<SettingsStore, ()>(|s, cx| {
7415 s.update_user_settings(cx, |s| {
7416 s.tabs.get_or_insert_default().activate_on_close =
7417 Some(ActivateOnClose::LeftNeighbour);
7418 });
7419 });
7420 let fs = FakeFs::new(cx.executor());
7421
7422 let project = Project::test(fs, None, cx).await;
7423 let (workspace, cx) =
7424 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7425 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7426
7427 add_labeled_item(&pane, "A", false, cx);
7428 add_labeled_item(&pane, "B", false, cx);
7429 add_labeled_item(&pane, "C", false, cx);
7430 add_labeled_item(&pane, "D", false, cx);
7431 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
7432
7433 pane.update_in(cx, |pane, window, cx| {
7434 pane.activate_item(1, false, false, window, cx)
7435 });
7436 add_labeled_item(&pane, "1", false, cx);
7437 assert_item_labels(&pane, ["A", "B", "1*", "C", "D"], cx);
7438
7439 pane.update_in(cx, |pane, window, cx| {
7440 pane.close_active_item(
7441 &CloseActiveItem {
7442 save_intent: None,
7443 close_pinned: false,
7444 },
7445 window,
7446 cx,
7447 )
7448 })
7449 .await
7450 .unwrap();
7451 assert_item_labels(&pane, ["A", "B*", "C", "D"], cx);
7452
7453 pane.update_in(cx, |pane, window, cx| {
7454 pane.activate_item(3, false, false, window, cx)
7455 });
7456 assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
7457
7458 pane.update_in(cx, |pane, window, cx| {
7459 pane.close_active_item(
7460 &CloseActiveItem {
7461 save_intent: None,
7462 close_pinned: false,
7463 },
7464 window,
7465 cx,
7466 )
7467 })
7468 .await
7469 .unwrap();
7470 assert_item_labels(&pane, ["A", "B", "C*"], cx);
7471
7472 pane.update_in(cx, |pane, window, cx| {
7473 pane.activate_item(0, false, false, window, cx)
7474 });
7475 assert_item_labels(&pane, ["A*", "B", "C"], cx);
7476
7477 pane.update_in(cx, |pane, window, cx| {
7478 pane.close_active_item(
7479 &CloseActiveItem {
7480 save_intent: None,
7481 close_pinned: false,
7482 },
7483 window,
7484 cx,
7485 )
7486 })
7487 .await
7488 .unwrap();
7489 assert_item_labels(&pane, ["B*", "C"], cx);
7490
7491 pane.update_in(cx, |pane, window, cx| {
7492 pane.close_active_item(
7493 &CloseActiveItem {
7494 save_intent: None,
7495 close_pinned: false,
7496 },
7497 window,
7498 cx,
7499 )
7500 })
7501 .await
7502 .unwrap();
7503 assert_item_labels(&pane, ["C*"], cx);
7504 }
7505
7506 #[gpui::test]
7507 async fn test_close_inactive_items(cx: &mut TestAppContext) {
7508 init_test(cx);
7509 let fs = FakeFs::new(cx.executor());
7510
7511 let project = Project::test(fs, None, cx).await;
7512 let (workspace, cx) =
7513 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7514 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7515
7516 let item_a = add_labeled_item(&pane, "A", false, cx);
7517 pane.update_in(cx, |pane, window, cx| {
7518 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
7519 pane.pin_tab_at(ix, window, cx);
7520 });
7521 assert_item_labels(&pane, ["A*!"], cx);
7522
7523 let item_b = add_labeled_item(&pane, "B", false, cx);
7524 pane.update_in(cx, |pane, window, cx| {
7525 let ix = pane.index_for_item_id(item_b.item_id()).unwrap();
7526 pane.pin_tab_at(ix, window, cx);
7527 });
7528 assert_item_labels(&pane, ["A!", "B*!"], cx);
7529
7530 add_labeled_item(&pane, "C", false, cx);
7531 assert_item_labels(&pane, ["A!", "B!", "C*"], cx);
7532
7533 add_labeled_item(&pane, "D", false, cx);
7534 add_labeled_item(&pane, "E", false, cx);
7535 assert_item_labels(&pane, ["A!", "B!", "C", "D", "E*"], cx);
7536
7537 pane.update_in(cx, |pane, window, cx| {
7538 pane.close_other_items(
7539 &CloseOtherItems {
7540 save_intent: None,
7541 close_pinned: false,
7542 },
7543 None,
7544 window,
7545 cx,
7546 )
7547 })
7548 .await
7549 .unwrap();
7550 assert_item_labels(&pane, ["A!", "B!", "E*"], cx);
7551 }
7552
7553 #[gpui::test]
7554 async fn test_running_close_inactive_items_via_an_inactive_item(cx: &mut TestAppContext) {
7555 init_test(cx);
7556 let fs = FakeFs::new(cx.executor());
7557
7558 let project = Project::test(fs, None, cx).await;
7559 let (workspace, cx) =
7560 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7561 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7562
7563 add_labeled_item(&pane, "A", false, cx);
7564 assert_item_labels(&pane, ["A*"], cx);
7565
7566 let item_b = add_labeled_item(&pane, "B", false, cx);
7567 assert_item_labels(&pane, ["A", "B*"], cx);
7568
7569 add_labeled_item(&pane, "C", false, cx);
7570 add_labeled_item(&pane, "D", false, cx);
7571 add_labeled_item(&pane, "E", false, cx);
7572 assert_item_labels(&pane, ["A", "B", "C", "D", "E*"], cx);
7573
7574 pane.update_in(cx, |pane, window, cx| {
7575 pane.close_other_items(
7576 &CloseOtherItems {
7577 save_intent: None,
7578 close_pinned: false,
7579 },
7580 Some(item_b.item_id()),
7581 window,
7582 cx,
7583 )
7584 })
7585 .await
7586 .unwrap();
7587 assert_item_labels(&pane, ["B*"], cx);
7588 }
7589
7590 #[gpui::test]
7591 async fn test_close_other_items_unpreviews_active_item(cx: &mut TestAppContext) {
7592 init_test(cx);
7593 let fs = FakeFs::new(cx.executor());
7594
7595 let project = Project::test(fs, None, cx).await;
7596 let (workspace, cx) =
7597 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7598 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7599
7600 add_labeled_item(&pane, "A", false, cx);
7601 add_labeled_item(&pane, "B", false, cx);
7602 let item_c = add_labeled_item(&pane, "C", false, cx);
7603 assert_item_labels(&pane, ["A", "B", "C*"], cx);
7604
7605 pane.update(cx, |pane, cx| {
7606 pane.set_preview_item_id(Some(item_c.item_id()), cx);
7607 });
7608 assert!(pane.read_with(cx, |pane, _| pane.preview_item_id()
7609 == Some(item_c.item_id())));
7610
7611 pane.update_in(cx, |pane, window, cx| {
7612 pane.close_other_items(
7613 &CloseOtherItems {
7614 save_intent: None,
7615 close_pinned: false,
7616 },
7617 Some(item_c.item_id()),
7618 window,
7619 cx,
7620 )
7621 })
7622 .await
7623 .unwrap();
7624
7625 assert!(pane.read_with(cx, |pane, _| pane.preview_item_id().is_none()));
7626 assert_item_labels(&pane, ["C*"], cx);
7627 }
7628
7629 #[gpui::test]
7630 async fn test_close_clean_items(cx: &mut TestAppContext) {
7631 init_test(cx);
7632 let fs = FakeFs::new(cx.executor());
7633
7634 let project = Project::test(fs, None, cx).await;
7635 let (workspace, cx) =
7636 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7637 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7638
7639 add_labeled_item(&pane, "A", true, cx);
7640 add_labeled_item(&pane, "B", false, cx);
7641 add_labeled_item(&pane, "C", true, 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_clean_items(
7648 &CloseCleanItems {
7649 close_pinned: false,
7650 },
7651 window,
7652 cx,
7653 )
7654 })
7655 .await
7656 .unwrap();
7657 assert_item_labels(&pane, ["A^", "C*^"], cx);
7658 }
7659
7660 #[gpui::test]
7661 async fn test_close_items_to_the_left(cx: &mut TestAppContext) {
7662 init_test(cx);
7663 let fs = FakeFs::new(cx.executor());
7664
7665 let project = Project::test(fs, None, cx).await;
7666 let (workspace, cx) =
7667 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7668 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7669
7670 set_labeled_items(&pane, ["A", "B", "C*", "D", "E"], cx);
7671
7672 pane.update_in(cx, |pane, window, cx| {
7673 pane.close_items_to_the_left_by_id(
7674 None,
7675 &CloseItemsToTheLeft {
7676 close_pinned: false,
7677 },
7678 window,
7679 cx,
7680 )
7681 })
7682 .await
7683 .unwrap();
7684 assert_item_labels(&pane, ["C*", "D", "E"], cx);
7685 }
7686
7687 #[gpui::test]
7688 async fn test_close_items_to_the_right(cx: &mut TestAppContext) {
7689 init_test(cx);
7690 let fs = FakeFs::new(cx.executor());
7691
7692 let project = Project::test(fs, None, cx).await;
7693 let (workspace, cx) =
7694 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7695 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7696
7697 set_labeled_items(&pane, ["A", "B", "C*", "D", "E"], cx);
7698
7699 pane.update_in(cx, |pane, window, cx| {
7700 pane.close_items_to_the_right_by_id(
7701 None,
7702 &CloseItemsToTheRight {
7703 close_pinned: false,
7704 },
7705 window,
7706 cx,
7707 )
7708 })
7709 .await
7710 .unwrap();
7711 assert_item_labels(&pane, ["A", "B", "C*"], cx);
7712 }
7713
7714 #[gpui::test]
7715 async fn test_close_all_items(cx: &mut TestAppContext) {
7716 init_test(cx);
7717 let fs = FakeFs::new(cx.executor());
7718
7719 let project = Project::test(fs, None, cx).await;
7720 let (workspace, cx) =
7721 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7722 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7723
7724 let item_a = add_labeled_item(&pane, "A", false, cx);
7725 add_labeled_item(&pane, "B", false, cx);
7726 add_labeled_item(&pane, "C", false, cx);
7727 assert_item_labels(&pane, ["A", "B", "C*"], cx);
7728
7729 pane.update_in(cx, |pane, window, cx| {
7730 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
7731 pane.pin_tab_at(ix, window, cx);
7732 pane.close_all_items(
7733 &CloseAllItems {
7734 save_intent: None,
7735 close_pinned: false,
7736 },
7737 window,
7738 cx,
7739 )
7740 })
7741 .await
7742 .unwrap();
7743 assert_item_labels(&pane, ["A*!"], cx);
7744
7745 pane.update_in(cx, |pane, window, cx| {
7746 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
7747 pane.unpin_tab_at(ix, window, cx);
7748 pane.close_all_items(
7749 &CloseAllItems {
7750 save_intent: None,
7751 close_pinned: false,
7752 },
7753 window,
7754 cx,
7755 )
7756 })
7757 .await
7758 .unwrap();
7759
7760 assert_item_labels(&pane, [], cx);
7761
7762 add_labeled_item(&pane, "A", true, cx).update(cx, |item, cx| {
7763 item.project_items
7764 .push(TestProjectItem::new_dirty(1, "A.txt", cx))
7765 });
7766 add_labeled_item(&pane, "B", true, cx).update(cx, |item, cx| {
7767 item.project_items
7768 .push(TestProjectItem::new_dirty(2, "B.txt", cx))
7769 });
7770 add_labeled_item(&pane, "C", true, cx).update(cx, |item, cx| {
7771 item.project_items
7772 .push(TestProjectItem::new_dirty(3, "C.txt", cx))
7773 });
7774 assert_item_labels(&pane, ["A^", "B^", "C*^"], cx);
7775
7776 let save = pane.update_in(cx, |pane, window, cx| {
7777 pane.close_all_items(
7778 &CloseAllItems {
7779 save_intent: None,
7780 close_pinned: false,
7781 },
7782 window,
7783 cx,
7784 )
7785 });
7786
7787 cx.executor().run_until_parked();
7788 cx.simulate_prompt_answer("Save all");
7789 save.await.unwrap();
7790 assert_item_labels(&pane, [], cx);
7791
7792 add_labeled_item(&pane, "A", true, cx);
7793 add_labeled_item(&pane, "B", true, cx);
7794 add_labeled_item(&pane, "C", true, cx);
7795 assert_item_labels(&pane, ["A^", "B^", "C*^"], cx);
7796 let save = pane.update_in(cx, |pane, window, cx| {
7797 pane.close_all_items(
7798 &CloseAllItems {
7799 save_intent: None,
7800 close_pinned: false,
7801 },
7802 window,
7803 cx,
7804 )
7805 });
7806
7807 cx.executor().run_until_parked();
7808 cx.simulate_prompt_answer("Discard all");
7809 save.await.unwrap();
7810 assert_item_labels(&pane, [], cx);
7811
7812 add_labeled_item(&pane, "A", true, cx).update(cx, |item, cx| {
7813 item.project_items
7814 .push(TestProjectItem::new_dirty(1, "A.txt", cx))
7815 });
7816 add_labeled_item(&pane, "B", true, cx).update(cx, |item, cx| {
7817 item.project_items
7818 .push(TestProjectItem::new_dirty(2, "B.txt", cx))
7819 });
7820 add_labeled_item(&pane, "C", true, cx).update(cx, |item, cx| {
7821 item.project_items
7822 .push(TestProjectItem::new_dirty(3, "C.txt", cx))
7823 });
7824 assert_item_labels(&pane, ["A^", "B^", "C*^"], cx);
7825
7826 let close_task = pane.update_in(cx, |pane, window, cx| {
7827 pane.close_all_items(
7828 &CloseAllItems {
7829 save_intent: None,
7830 close_pinned: false,
7831 },
7832 window,
7833 cx,
7834 )
7835 });
7836
7837 cx.executor().run_until_parked();
7838 cx.simulate_prompt_answer("Discard all");
7839 close_task.await.unwrap();
7840 assert_item_labels(&pane, [], cx);
7841
7842 add_labeled_item(&pane, "Clean1", false, cx);
7843 add_labeled_item(&pane, "Dirty", true, cx).update(cx, |item, cx| {
7844 item.project_items
7845 .push(TestProjectItem::new_dirty(1, "Dirty.txt", cx))
7846 });
7847 add_labeled_item(&pane, "Clean2", false, cx);
7848 assert_item_labels(&pane, ["Clean1", "Dirty^", "Clean2*"], cx);
7849
7850 let close_task = pane.update_in(cx, |pane, window, cx| {
7851 pane.close_all_items(
7852 &CloseAllItems {
7853 save_intent: None,
7854 close_pinned: false,
7855 },
7856 window,
7857 cx,
7858 )
7859 });
7860
7861 cx.executor().run_until_parked();
7862 cx.simulate_prompt_answer("Cancel");
7863 close_task.await.unwrap();
7864 assert_item_labels(&pane, ["Dirty*^"], cx);
7865 }
7866
7867 #[gpui::test]
7868 async fn test_discard_all_reloads_from_disk(cx: &mut TestAppContext) {
7869 init_test(cx);
7870 let fs = FakeFs::new(cx.executor());
7871
7872 let project = Project::test(fs, None, cx).await;
7873 let (workspace, cx) =
7874 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7875 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7876
7877 let item_a = add_labeled_item(&pane, "A", true, cx);
7878 item_a.update(cx, |item, cx| {
7879 item.project_items
7880 .push(TestProjectItem::new_dirty(1, "A.txt", cx))
7881 });
7882 let item_b = add_labeled_item(&pane, "B", true, cx);
7883 item_b.update(cx, |item, cx| {
7884 item.project_items
7885 .push(TestProjectItem::new_dirty(2, "B.txt", cx))
7886 });
7887 assert_item_labels(&pane, ["A^", "B*^"], cx);
7888
7889 let close_task = pane.update_in(cx, |pane, window, cx| {
7890 pane.close_all_items(
7891 &CloseAllItems {
7892 save_intent: None,
7893 close_pinned: false,
7894 },
7895 window,
7896 cx,
7897 )
7898 });
7899
7900 cx.executor().run_until_parked();
7901 cx.simulate_prompt_answer("Discard all");
7902 close_task.await.unwrap();
7903 assert_item_labels(&pane, [], cx);
7904
7905 item_a.read_with(cx, |item, _| {
7906 assert_eq!(item.reload_count, 1, "item A should have been reloaded");
7907 assert!(
7908 !item.is_dirty,
7909 "item A should no longer be dirty after reload"
7910 );
7911 });
7912 item_b.read_with(cx, |item, _| {
7913 assert_eq!(item.reload_count, 1, "item B should have been reloaded");
7914 assert!(
7915 !item.is_dirty,
7916 "item B should no longer be dirty after reload"
7917 );
7918 });
7919 }
7920
7921 #[gpui::test]
7922 async fn test_dont_save_single_file_reloads_from_disk(cx: &mut TestAppContext) {
7923 init_test(cx);
7924 let fs = FakeFs::new(cx.executor());
7925
7926 let project = Project::test(fs, None, cx).await;
7927 let (workspace, cx) =
7928 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7929 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7930
7931 let item = add_labeled_item(&pane, "Dirty", true, cx);
7932 item.update(cx, |item, cx| {
7933 item.project_items
7934 .push(TestProjectItem::new_dirty(1, "Dirty.txt", cx))
7935 });
7936 assert_item_labels(&pane, ["Dirty*^"], cx);
7937
7938 let close_task = pane.update_in(cx, |pane, window, cx| {
7939 pane.close_item_by_id(item.item_id(), SaveIntent::Close, window, cx)
7940 });
7941
7942 cx.executor().run_until_parked();
7943 cx.simulate_prompt_answer("Don't Save");
7944 close_task.await.unwrap();
7945 assert_item_labels(&pane, [], cx);
7946
7947 item.read_with(cx, |item, _| {
7948 assert_eq!(item.reload_count, 1, "item should have been reloaded");
7949 assert!(
7950 !item.is_dirty,
7951 "item should no longer be dirty after reload"
7952 );
7953 });
7954 }
7955
7956 #[gpui::test]
7957 async fn test_discard_does_not_reload_multibuffer(cx: &mut TestAppContext) {
7958 init_test(cx);
7959 let fs = FakeFs::new(cx.executor());
7960
7961 let project = Project::test(fs, None, cx).await;
7962 let (workspace, cx) =
7963 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7964 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
7965
7966 let singleton_item = pane.update_in(cx, |pane, window, cx| {
7967 let item = Box::new(cx.new(|cx| {
7968 TestItem::new(cx)
7969 .with_label("Singleton")
7970 .with_dirty(true)
7971 .with_buffer_kind(ItemBufferKind::Singleton)
7972 }));
7973 pane.add_item(item.clone(), false, false, None, window, cx);
7974 item
7975 });
7976 singleton_item.update(cx, |item, cx| {
7977 item.project_items
7978 .push(TestProjectItem::new_dirty(1, "Singleton.txt", cx))
7979 });
7980
7981 let multi_item = pane.update_in(cx, |pane, window, cx| {
7982 let item = Box::new(cx.new(|cx| {
7983 TestItem::new(cx)
7984 .with_label("Multi")
7985 .with_dirty(true)
7986 .with_buffer_kind(ItemBufferKind::Multibuffer)
7987 }));
7988 pane.add_item(item.clone(), false, false, None, window, cx);
7989 item
7990 });
7991 multi_item.update(cx, |item, cx| {
7992 item.project_items
7993 .push(TestProjectItem::new_dirty(2, "Multi.txt", cx))
7994 });
7995
7996 let close_task = pane.update_in(cx, |pane, window, cx| {
7997 pane.close_all_items(
7998 &CloseAllItems {
7999 save_intent: None,
8000 close_pinned: false,
8001 },
8002 window,
8003 cx,
8004 )
8005 });
8006
8007 cx.executor().run_until_parked();
8008 cx.simulate_prompt_answer("Discard all");
8009 close_task.await.unwrap();
8010 assert_item_labels(&pane, [], cx);
8011
8012 singleton_item.read_with(cx, |item, _| {
8013 assert_eq!(item.reload_count, 1, "singleton should have been reloaded");
8014 assert!(
8015 !item.is_dirty,
8016 "singleton should no longer be dirty after reload"
8017 );
8018 });
8019 multi_item.read_with(cx, |item, _| {
8020 assert_eq!(
8021 item.reload_count, 0,
8022 "multibuffer should not have been reloaded"
8023 );
8024 });
8025 }
8026
8027 #[gpui::test]
8028 async fn test_close_multibuffer_items(cx: &mut TestAppContext) {
8029 init_test(cx);
8030 let fs = FakeFs::new(cx.executor());
8031
8032 let project = Project::test(fs, None, cx).await;
8033 let (workspace, cx) =
8034 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
8035 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8036
8037 let add_labeled_item = |pane: &Entity<Pane>,
8038 label,
8039 is_dirty,
8040 kind: ItemBufferKind,
8041 cx: &mut VisualTestContext| {
8042 pane.update_in(cx, |pane, window, cx| {
8043 let labeled_item = Box::new(cx.new(|cx| {
8044 TestItem::new(cx)
8045 .with_label(label)
8046 .with_dirty(is_dirty)
8047 .with_buffer_kind(kind)
8048 }));
8049 pane.add_item(labeled_item.clone(), false, false, None, window, cx);
8050 labeled_item
8051 })
8052 };
8053
8054 let item_a = add_labeled_item(&pane, "A", false, ItemBufferKind::Multibuffer, cx);
8055 add_labeled_item(&pane, "B", false, ItemBufferKind::Multibuffer, cx);
8056 add_labeled_item(&pane, "C", false, ItemBufferKind::Singleton, cx);
8057 assert_item_labels(&pane, ["A", "B", "C*"], cx);
8058
8059 pane.update_in(cx, |pane, window, cx| {
8060 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
8061 pane.pin_tab_at(ix, window, cx);
8062 pane.close_multibuffer_items(
8063 &CloseMultibufferItems {
8064 save_intent: None,
8065 close_pinned: false,
8066 },
8067 window,
8068 cx,
8069 )
8070 })
8071 .await
8072 .unwrap();
8073 assert_item_labels(&pane, ["A!", "C*"], cx);
8074
8075 pane.update_in(cx, |pane, window, cx| {
8076 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
8077 pane.unpin_tab_at(ix, window, cx);
8078 pane.close_multibuffer_items(
8079 &CloseMultibufferItems {
8080 save_intent: None,
8081 close_pinned: false,
8082 },
8083 window,
8084 cx,
8085 )
8086 })
8087 .await
8088 .unwrap();
8089
8090 assert_item_labels(&pane, ["C*"], cx);
8091
8092 add_labeled_item(&pane, "A", true, ItemBufferKind::Singleton, cx).update(cx, |item, cx| {
8093 item.project_items
8094 .push(TestProjectItem::new_dirty(1, "A.txt", cx))
8095 });
8096 add_labeled_item(&pane, "B", true, ItemBufferKind::Multibuffer, cx).update(
8097 cx,
8098 |item, cx| {
8099 item.project_items
8100 .push(TestProjectItem::new_dirty(2, "B.txt", cx))
8101 },
8102 );
8103 add_labeled_item(&pane, "D", true, ItemBufferKind::Multibuffer, cx).update(
8104 cx,
8105 |item, cx| {
8106 item.project_items
8107 .push(TestProjectItem::new_dirty(3, "D.txt", cx))
8108 },
8109 );
8110 assert_item_labels(&pane, ["C", "A^", "B^", "D*^"], cx);
8111
8112 let save = pane.update_in(cx, |pane, window, cx| {
8113 pane.close_multibuffer_items(
8114 &CloseMultibufferItems {
8115 save_intent: None,
8116 close_pinned: false,
8117 },
8118 window,
8119 cx,
8120 )
8121 });
8122
8123 cx.executor().run_until_parked();
8124 cx.simulate_prompt_answer("Save all");
8125 save.await.unwrap();
8126 assert_item_labels(&pane, ["C", "A*^"], cx);
8127
8128 add_labeled_item(&pane, "B", true, ItemBufferKind::Multibuffer, cx).update(
8129 cx,
8130 |item, cx| {
8131 item.project_items
8132 .push(TestProjectItem::new_dirty(2, "B.txt", cx))
8133 },
8134 );
8135 add_labeled_item(&pane, "D", true, ItemBufferKind::Multibuffer, cx).update(
8136 cx,
8137 |item, cx| {
8138 item.project_items
8139 .push(TestProjectItem::new_dirty(3, "D.txt", cx))
8140 },
8141 );
8142 assert_item_labels(&pane, ["C", "A^", "B^", "D*^"], cx);
8143 let save = pane.update_in(cx, |pane, window, cx| {
8144 pane.close_multibuffer_items(
8145 &CloseMultibufferItems {
8146 save_intent: None,
8147 close_pinned: false,
8148 },
8149 window,
8150 cx,
8151 )
8152 });
8153
8154 cx.executor().run_until_parked();
8155 cx.simulate_prompt_answer("Discard all");
8156 save.await.unwrap();
8157 assert_item_labels(&pane, ["C", "A*^"], cx);
8158 }
8159
8160 #[gpui::test]
8161 async fn test_close_with_save_intent(cx: &mut TestAppContext) {
8162 init_test(cx);
8163 let fs = FakeFs::new(cx.executor());
8164
8165 let project = Project::test(fs, None, cx).await;
8166 let (workspace, cx) =
8167 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
8168 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8169
8170 let a = cx.update(|_, cx| TestProjectItem::new_dirty(1, "A.txt", cx));
8171 let b = cx.update(|_, cx| TestProjectItem::new_dirty(1, "B.txt", cx));
8172 let c = cx.update(|_, cx| TestProjectItem::new_dirty(1, "C.txt", cx));
8173
8174 add_labeled_item(&pane, "AB", true, cx).update(cx, |item, _| {
8175 item.project_items.push(a.clone());
8176 item.project_items.push(b.clone());
8177 });
8178 add_labeled_item(&pane, "C", true, cx)
8179 .update(cx, |item, _| item.project_items.push(c.clone()));
8180 assert_item_labels(&pane, ["AB^", "C*^"], cx);
8181
8182 pane.update_in(cx, |pane, window, cx| {
8183 pane.close_all_items(
8184 &CloseAllItems {
8185 save_intent: Some(SaveIntent::Save),
8186 close_pinned: false,
8187 },
8188 window,
8189 cx,
8190 )
8191 })
8192 .await
8193 .unwrap();
8194
8195 assert_item_labels(&pane, [], cx);
8196 cx.update(|_, cx| {
8197 assert!(!a.read(cx).is_dirty);
8198 assert!(!b.read(cx).is_dirty);
8199 assert!(!c.read(cx).is_dirty);
8200 });
8201 }
8202
8203 #[gpui::test]
8204 async fn test_new_tab_scrolls_into_view_completely(cx: &mut TestAppContext) {
8205 // Arrange
8206 init_test(cx);
8207 let fs = FakeFs::new(cx.executor());
8208
8209 let project = Project::test(fs, None, cx).await;
8210 let (workspace, cx) =
8211 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
8212 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8213
8214 cx.simulate_resize(size(px(300.), px(300.)));
8215
8216 add_labeled_item(&pane, "untitled", false, cx);
8217 add_labeled_item(&pane, "untitled", false, cx);
8218 add_labeled_item(&pane, "untitled", false, cx);
8219 add_labeled_item(&pane, "untitled", false, cx);
8220 // Act: this should trigger a scroll
8221 add_labeled_item(&pane, "untitled", false, cx);
8222 // Assert
8223 let tab_bar_scroll_handle =
8224 pane.update_in(cx, |pane, _window, _cx| pane.tab_bar_scroll_handle.clone());
8225 assert_eq!(tab_bar_scroll_handle.children_count(), 6);
8226 let tab_bounds = cx.debug_bounds("TAB-4").unwrap();
8227 let new_tab_button_bounds = cx.debug_bounds("ICON-Plus").unwrap();
8228 let scroll_bounds = tab_bar_scroll_handle.bounds();
8229 let scroll_offset = tab_bar_scroll_handle.offset();
8230 assert!(tab_bounds.right() <= scroll_bounds.right());
8231 // -39.5 is the magic number for this setup
8232 assert_eq!(scroll_offset.x, px(-39.5));
8233 assert!(
8234 !tab_bounds.intersects(&new_tab_button_bounds),
8235 "Tab should not overlap with the new tab button, if this is failing check if there's been a redesign!"
8236 );
8237 }
8238
8239 #[gpui::test]
8240 async fn test_pinned_tabs_scroll_to_item_uses_correct_index(cx: &mut TestAppContext) {
8241 init_test(cx);
8242 let fs = FakeFs::new(cx.executor());
8243
8244 let project = Project::test(fs, None, cx).await;
8245 let (workspace, cx) =
8246 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
8247 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8248
8249 cx.simulate_resize(size(px(400.), px(300.)));
8250
8251 for label in ["A", "B", "C"] {
8252 add_labeled_item(&pane, label, false, cx);
8253 }
8254
8255 pane.update_in(cx, |pane, window, cx| {
8256 pane.pin_tab_at(0, window, cx);
8257 pane.pin_tab_at(1, window, cx);
8258 pane.pin_tab_at(2, window, cx);
8259 });
8260
8261 for label in ["D", "E", "F", "G", "H", "I", "J", "K"] {
8262 add_labeled_item(&pane, label, false, cx);
8263 }
8264
8265 assert_item_labels(
8266 &pane,
8267 ["A!", "B!", "C!", "D", "E", "F", "G", "H", "I", "J", "K*"],
8268 cx,
8269 );
8270
8271 cx.run_until_parked();
8272
8273 // Verify overflow exists (precondition for scroll test)
8274 let scroll_handle =
8275 pane.update_in(cx, |pane, _window, _cx| pane.tab_bar_scroll_handle.clone());
8276 assert!(
8277 scroll_handle.max_offset().x > px(0.),
8278 "Test requires tab overflow to verify scrolling. Increase tab count or reduce window width."
8279 );
8280
8281 // Activate a different tab first, then activate K
8282 // This ensures we're not just re-activating an already-active tab
8283 pane.update_in(cx, |pane, window, cx| {
8284 pane.activate_item(3, true, true, window, cx);
8285 });
8286 cx.run_until_parked();
8287
8288 pane.update_in(cx, |pane, window, cx| {
8289 pane.activate_item(10, true, true, window, cx);
8290 });
8291 cx.run_until_parked();
8292
8293 let scroll_handle =
8294 pane.update_in(cx, |pane, _window, _cx| pane.tab_bar_scroll_handle.clone());
8295 let k_tab_bounds = cx.debug_bounds("TAB-10").unwrap();
8296 let scroll_bounds = scroll_handle.bounds();
8297
8298 assert!(
8299 k_tab_bounds.left() >= scroll_bounds.left(),
8300 "Active tab K should be scrolled into view"
8301 );
8302 }
8303
8304 #[gpui::test]
8305 async fn test_close_all_items_including_pinned(cx: &mut TestAppContext) {
8306 init_test(cx);
8307 let fs = FakeFs::new(cx.executor());
8308
8309 let project = Project::test(fs, None, cx).await;
8310 let (workspace, cx) =
8311 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
8312 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8313
8314 let item_a = add_labeled_item(&pane, "A", false, cx);
8315 add_labeled_item(&pane, "B", false, cx);
8316 add_labeled_item(&pane, "C", false, cx);
8317 assert_item_labels(&pane, ["A", "B", "C*"], cx);
8318
8319 pane.update_in(cx, |pane, window, cx| {
8320 let ix = pane.index_for_item_id(item_a.item_id()).unwrap();
8321 pane.pin_tab_at(ix, window, cx);
8322 pane.close_all_items(
8323 &CloseAllItems {
8324 save_intent: None,
8325 close_pinned: true,
8326 },
8327 window,
8328 cx,
8329 )
8330 })
8331 .await
8332 .unwrap();
8333 assert_item_labels(&pane, [], cx);
8334 }
8335
8336 #[gpui::test]
8337 async fn test_close_pinned_tab_with_non_pinned_in_same_pane(cx: &mut TestAppContext) {
8338 init_test(cx);
8339 let fs = FakeFs::new(cx.executor());
8340 let project = Project::test(fs, None, cx).await;
8341 let (workspace, cx) =
8342 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
8343
8344 // Non-pinned tabs in same pane
8345 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8346 add_labeled_item(&pane, "A", false, cx);
8347 add_labeled_item(&pane, "B", false, cx);
8348 add_labeled_item(&pane, "C", false, cx);
8349 pane.update_in(cx, |pane, window, cx| {
8350 pane.pin_tab_at(0, window, cx);
8351 });
8352 set_labeled_items(&pane, ["A*", "B", "C"], cx);
8353 pane.update_in(cx, |pane, window, cx| {
8354 pane.close_active_item(
8355 &CloseActiveItem {
8356 save_intent: None,
8357 close_pinned: false,
8358 },
8359 window,
8360 cx,
8361 )
8362 .unwrap();
8363 });
8364 // Non-pinned tab should be active
8365 assert_item_labels(&pane, ["A!", "B*", "C"], cx);
8366 }
8367
8368 #[gpui::test]
8369 async fn test_close_pinned_tab_with_non_pinned_in_different_pane(cx: &mut TestAppContext) {
8370 init_test(cx);
8371 let fs = FakeFs::new(cx.executor());
8372 let project = Project::test(fs, None, cx).await;
8373 let (workspace, cx) =
8374 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
8375
8376 // No non-pinned tabs in same pane, non-pinned tabs in another pane
8377 let pane1 = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8378 let pane2 = workspace.update_in(cx, |workspace, window, cx| {
8379 workspace.split_pane(pane1.clone(), SplitDirection::Right, window, cx)
8380 });
8381 add_labeled_item(&pane1, "A", false, cx);
8382 pane1.update_in(cx, |pane, window, cx| {
8383 pane.pin_tab_at(0, window, cx);
8384 });
8385 set_labeled_items(&pane1, ["A*"], cx);
8386 add_labeled_item(&pane2, "B", false, cx);
8387 set_labeled_items(&pane2, ["B"], cx);
8388 pane1.update_in(cx, |pane, window, cx| {
8389 pane.close_active_item(
8390 &CloseActiveItem {
8391 save_intent: None,
8392 close_pinned: false,
8393 },
8394 window,
8395 cx,
8396 )
8397 .unwrap();
8398 });
8399 // Non-pinned tab of other pane should be active
8400 assert_item_labels(&pane2, ["B*"], cx);
8401 }
8402
8403 #[gpui::test]
8404 async fn ensure_item_closing_actions_do_not_panic_when_no_items_exist(cx: &mut TestAppContext) {
8405 init_test(cx);
8406 let fs = FakeFs::new(cx.executor());
8407 let project = Project::test(fs, None, cx).await;
8408 let (workspace, cx) =
8409 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
8410
8411 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8412 assert_item_labels(&pane, [], cx);
8413
8414 pane.update_in(cx, |pane, window, cx| {
8415 pane.close_active_item(
8416 &CloseActiveItem {
8417 save_intent: None,
8418 close_pinned: false,
8419 },
8420 window,
8421 cx,
8422 )
8423 })
8424 .await
8425 .unwrap();
8426
8427 pane.update_in(cx, |pane, window, cx| {
8428 pane.close_other_items(
8429 &CloseOtherItems {
8430 save_intent: None,
8431 close_pinned: false,
8432 },
8433 None,
8434 window,
8435 cx,
8436 )
8437 })
8438 .await
8439 .unwrap();
8440
8441 pane.update_in(cx, |pane, window, cx| {
8442 pane.close_all_items(
8443 &CloseAllItems {
8444 save_intent: None,
8445 close_pinned: false,
8446 },
8447 window,
8448 cx,
8449 )
8450 })
8451 .await
8452 .unwrap();
8453
8454 pane.update_in(cx, |pane, window, cx| {
8455 pane.close_clean_items(
8456 &CloseCleanItems {
8457 close_pinned: false,
8458 },
8459 window,
8460 cx,
8461 )
8462 })
8463 .await
8464 .unwrap();
8465
8466 pane.update_in(cx, |pane, window, cx| {
8467 pane.close_items_to_the_right_by_id(
8468 None,
8469 &CloseItemsToTheRight {
8470 close_pinned: false,
8471 },
8472 window,
8473 cx,
8474 )
8475 })
8476 .await
8477 .unwrap();
8478
8479 pane.update_in(cx, |pane, window, cx| {
8480 pane.close_items_to_the_left_by_id(
8481 None,
8482 &CloseItemsToTheLeft {
8483 close_pinned: false,
8484 },
8485 window,
8486 cx,
8487 )
8488 })
8489 .await
8490 .unwrap();
8491 }
8492
8493 #[gpui::test]
8494 async fn test_item_swapping_actions(cx: &mut TestAppContext) {
8495 init_test(cx);
8496 let fs = FakeFs::new(cx.executor());
8497 let project = Project::test(fs, None, cx).await;
8498 let (workspace, cx) =
8499 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
8500
8501 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8502 assert_item_labels(&pane, [], cx);
8503
8504 // Test that these actions do not panic
8505 pane.update_in(cx, |pane, window, cx| {
8506 pane.swap_item_right(&Default::default(), window, cx);
8507 });
8508
8509 pane.update_in(cx, |pane, window, cx| {
8510 pane.swap_item_left(&Default::default(), window, cx);
8511 });
8512
8513 add_labeled_item(&pane, "A", false, cx);
8514 add_labeled_item(&pane, "B", false, cx);
8515 add_labeled_item(&pane, "C", false, cx);
8516 assert_item_labels(&pane, ["A", "B", "C*"], cx);
8517
8518 pane.update_in(cx, |pane, window, cx| {
8519 pane.swap_item_right(&Default::default(), window, cx);
8520 });
8521 assert_item_labels(&pane, ["A", "B", "C*"], cx);
8522
8523 pane.update_in(cx, |pane, window, cx| {
8524 pane.swap_item_left(&Default::default(), window, cx);
8525 });
8526 assert_item_labels(&pane, ["A", "C*", "B"], cx);
8527
8528 pane.update_in(cx, |pane, window, cx| {
8529 pane.swap_item_left(&Default::default(), window, cx);
8530 });
8531 assert_item_labels(&pane, ["C*", "A", "B"], cx);
8532
8533 pane.update_in(cx, |pane, window, cx| {
8534 pane.swap_item_left(&Default::default(), window, cx);
8535 });
8536 assert_item_labels(&pane, ["C*", "A", "B"], cx);
8537
8538 pane.update_in(cx, |pane, window, cx| {
8539 pane.swap_item_right(&Default::default(), window, cx);
8540 });
8541 assert_item_labels(&pane, ["A", "C*", "B"], cx);
8542 }
8543
8544 #[gpui::test]
8545 async fn test_split_empty(cx: &mut TestAppContext) {
8546 for split_direction in SplitDirection::all() {
8547 test_single_pane_split(["A"], split_direction, SplitMode::EmptyPane, cx).await;
8548 }
8549 }
8550
8551 #[gpui::test]
8552 async fn test_split_clone(cx: &mut TestAppContext) {
8553 for split_direction in SplitDirection::all() {
8554 test_single_pane_split(["A"], split_direction, SplitMode::ClonePane, cx).await;
8555 }
8556 }
8557
8558 #[gpui::test]
8559 async fn test_split_move_right_on_single_pane(cx: &mut TestAppContext) {
8560 test_single_pane_split(["A"], SplitDirection::Right, SplitMode::MovePane, cx).await;
8561 }
8562
8563 #[gpui::test]
8564 async fn test_split_move(cx: &mut TestAppContext) {
8565 for split_direction in SplitDirection::all() {
8566 test_single_pane_split(["A", "B"], split_direction, SplitMode::MovePane, cx).await;
8567 }
8568 }
8569
8570 #[gpui::test]
8571 async fn test_reopening_closed_item_after_unpreview(cx: &mut TestAppContext) {
8572 init_test(cx);
8573
8574 cx.update_global::<SettingsStore, ()>(|store, cx| {
8575 store.update_user_settings(cx, |settings| {
8576 settings.preview_tabs.get_or_insert_default().enabled = Some(true);
8577 });
8578 });
8579
8580 let fs = FakeFs::new(cx.executor());
8581 let project = Project::test(fs, None, cx).await;
8582 let (workspace, cx) =
8583 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
8584 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8585
8586 // Add an item as preview
8587 let item = pane.update_in(cx, |pane, window, cx| {
8588 let item = Box::new(cx.new(|cx| TestItem::new(cx).with_label("A")));
8589 pane.add_item(item.clone(), true, true, None, window, cx);
8590 pane.set_preview_item_id(Some(item.item_id()), cx);
8591 item
8592 });
8593
8594 // Verify item is preview
8595 pane.read_with(cx, |pane, _| {
8596 assert_eq!(pane.preview_item_id(), Some(item.item_id()));
8597 });
8598
8599 // Unpreview the item
8600 pane.update_in(cx, |pane, _window, _cx| {
8601 pane.unpreview_item_if_preview(item.item_id());
8602 });
8603
8604 // Verify item is no longer preview
8605 pane.read_with(cx, |pane, _| {
8606 assert_eq!(pane.preview_item_id(), None);
8607 });
8608
8609 // Close the item
8610 pane.update_in(cx, |pane, window, cx| {
8611 pane.close_item_by_id(item.item_id(), SaveIntent::Skip, window, cx)
8612 .detach_and_log_err(cx);
8613 });
8614
8615 cx.run_until_parked();
8616
8617 // The item should be in the closed_stack and reopenable
8618 let has_closed_items = pane.read_with(cx, |pane, _| {
8619 !pane.nav_history.0.lock().closed_stack.is_empty()
8620 });
8621 assert!(
8622 has_closed_items,
8623 "closed item should be in closed_stack and reopenable"
8624 );
8625 }
8626
8627 #[gpui::test]
8628 async fn test_activate_item_with_wrap_around(cx: &mut TestAppContext) {
8629 init_test(cx);
8630 let fs = FakeFs::new(cx.executor());
8631 let project = Project::test(fs, None, cx).await;
8632 let (workspace, cx) =
8633 cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
8634 let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8635
8636 add_labeled_item(&pane, "A", false, cx);
8637 add_labeled_item(&pane, "B", false, cx);
8638 add_labeled_item(&pane, "C", false, cx);
8639 assert_item_labels(&pane, ["A", "B", "C*"], cx);
8640
8641 pane.update_in(cx, |pane, window, cx| {
8642 pane.activate_next_item(&ActivateNextItem { wrap_around: false }, window, cx);
8643 });
8644 assert_item_labels(&pane, ["A", "B", "C*"], cx);
8645
8646 pane.update_in(cx, |pane, window, cx| {
8647 pane.activate_next_item(&ActivateNextItem::default(), window, cx);
8648 });
8649 assert_item_labels(&pane, ["A*", "B", "C"], cx);
8650
8651 pane.update_in(cx, |pane, window, cx| {
8652 pane.activate_previous_item(&ActivatePreviousItem { wrap_around: false }, window, cx);
8653 });
8654 assert_item_labels(&pane, ["A*", "B", "C"], cx);
8655
8656 pane.update_in(cx, |pane, window, cx| {
8657 pane.activate_previous_item(&ActivatePreviousItem::default(), window, cx);
8658 });
8659 assert_item_labels(&pane, ["A", "B", "C*"], cx);
8660
8661 pane.update_in(cx, |pane, window, cx| {
8662 pane.activate_previous_item(&ActivatePreviousItem { wrap_around: false }, window, cx);
8663 });
8664 assert_item_labels(&pane, ["A", "B*", "C"], cx);
8665
8666 pane.update_in(cx, |pane, window, cx| {
8667 pane.activate_next_item(&ActivateNextItem { wrap_around: false }, window, cx);
8668 });
8669 assert_item_labels(&pane, ["A", "B", "C*"], cx);
8670 }
8671
8672 fn init_test(cx: &mut TestAppContext) {
8673 cx.update(|cx| {
8674 let settings_store = SettingsStore::test(cx);
8675 cx.set_global(settings_store);
8676 theme_settings::init(LoadThemes::JustBase, cx);
8677 });
8678 }
8679
8680 fn set_max_tabs(cx: &mut TestAppContext, value: Option<usize>) {
8681 cx.update_global(|store: &mut SettingsStore, cx| {
8682 store.update_user_settings(cx, |settings| {
8683 settings.workspace.max_tabs = value.map(|v| NonZero::new(v).unwrap())
8684 });
8685 });
8686 }
8687
8688 fn set_pinned_tabs_separate_row(cx: &mut TestAppContext, enabled: bool) {
8689 cx.update_global(|store: &mut SettingsStore, cx| {
8690 store.update_user_settings(cx, |settings| {
8691 settings
8692 .tab_bar
8693 .get_or_insert_default()
8694 .show_pinned_tabs_in_separate_row = Some(enabled);
8695 });
8696 });
8697 }
8698
8699 fn add_labeled_item(
8700 pane: &Entity<Pane>,
8701 label: &str,
8702 is_dirty: bool,
8703 cx: &mut VisualTestContext,
8704 ) -> Box<Entity<TestItem>> {
8705 pane.update_in(cx, |pane, window, cx| {
8706 let labeled_item =
8707 Box::new(cx.new(|cx| TestItem::new(cx).with_label(label).with_dirty(is_dirty)));
8708 pane.add_item(labeled_item.clone(), false, false, None, window, cx);
8709 labeled_item
8710 })
8711 }
8712
8713 fn set_labeled_items<const COUNT: usize>(
8714 pane: &Entity<Pane>,
8715 labels: [&str; COUNT],
8716 cx: &mut VisualTestContext,
8717 ) -> [Box<Entity<TestItem>>; COUNT] {
8718 pane.update_in(cx, |pane, window, cx| {
8719 pane.items.clear();
8720 let mut active_item_index = 0;
8721
8722 let mut index = 0;
8723 let items = labels.map(|mut label| {
8724 if label.ends_with('*') {
8725 label = label.trim_end_matches('*');
8726 active_item_index = index;
8727 }
8728
8729 let labeled_item = Box::new(cx.new(|cx| TestItem::new(cx).with_label(label)));
8730 pane.add_item(labeled_item.clone(), false, false, None, window, cx);
8731 index += 1;
8732 labeled_item
8733 });
8734
8735 pane.activate_item(active_item_index, false, false, window, cx);
8736
8737 items
8738 })
8739 }
8740
8741 // Assert the item label, with the active item label suffixed with a '*'
8742 #[track_caller]
8743 fn assert_item_labels<const COUNT: usize>(
8744 pane: &Entity<Pane>,
8745 expected_states: [&str; COUNT],
8746 cx: &mut VisualTestContext,
8747 ) {
8748 let actual_states = pane.update(cx, |pane, cx| {
8749 pane.items
8750 .iter()
8751 .enumerate()
8752 .map(|(ix, item)| {
8753 let mut state = item
8754 .to_any_view()
8755 .downcast::<TestItem>()
8756 .unwrap()
8757 .read(cx)
8758 .label
8759 .clone();
8760 if ix == pane.active_item_index {
8761 state.push('*');
8762 }
8763 if item.is_dirty(cx) {
8764 state.push('^');
8765 }
8766 if pane.is_tab_pinned(ix) {
8767 state.push('!');
8768 }
8769 state
8770 })
8771 .collect::<Vec<_>>()
8772 });
8773 assert_eq!(
8774 actual_states, expected_states,
8775 "pane items do not match expectation"
8776 );
8777 }
8778
8779 // Assert the item label, with the active item label expected active index
8780 #[track_caller]
8781 fn assert_item_labels_active_index(
8782 pane: &Entity<Pane>,
8783 expected_states: &[&str],
8784 expected_active_idx: usize,
8785 cx: &mut VisualTestContext,
8786 ) {
8787 let actual_states = pane.update(cx, |pane, cx| {
8788 pane.items
8789 .iter()
8790 .enumerate()
8791 .map(|(ix, item)| {
8792 let mut state = item
8793 .to_any_view()
8794 .downcast::<TestItem>()
8795 .unwrap()
8796 .read(cx)
8797 .label
8798 .clone();
8799 if ix == pane.active_item_index {
8800 assert_eq!(ix, expected_active_idx);
8801 }
8802 if item.is_dirty(cx) {
8803 state.push('^');
8804 }
8805 if pane.is_tab_pinned(ix) {
8806 state.push('!');
8807 }
8808 state
8809 })
8810 .collect::<Vec<_>>()
8811 });
8812 assert_eq!(
8813 actual_states, expected_states,
8814 "pane items do not match expectation"
8815 );
8816 }
8817
8818 #[track_caller]
8819 fn assert_pane_ids_on_axis<const COUNT: usize>(
8820 workspace: &Entity<Workspace>,
8821 expected_ids: [&EntityId; COUNT],
8822 expected_axis: Axis,
8823 cx: &mut VisualTestContext,
8824 ) {
8825 workspace.read_with(cx, |workspace, _| match &workspace.center.root {
8826 Member::Axis(axis) => {
8827 assert_eq!(axis.axis, expected_axis);
8828 assert_eq!(axis.members.len(), expected_ids.len());
8829 assert!(
8830 zip(expected_ids, &axis.members).all(|(e, a)| {
8831 if let Member::Pane(p) = a {
8832 p.entity_id() == *e
8833 } else {
8834 false
8835 }
8836 }),
8837 "pane ids do not match expectation: {expected_ids:?} != {actual_ids:?}",
8838 actual_ids = axis.members
8839 );
8840 }
8841 Member::Pane(_) => panic!("expected axis"),
8842 });
8843 }
8844
8845 async fn test_single_pane_split<const COUNT: usize>(
8846 pane_labels: [&str; COUNT],
8847 direction: SplitDirection,
8848 operation: SplitMode,
8849 cx: &mut TestAppContext,
8850 ) {
8851 init_test(cx);
8852 let fs = FakeFs::new(cx.executor());
8853 let project = Project::test(fs, None, cx).await;
8854 let (workspace, cx) =
8855 cx.add_window_view(|window, cx| Workspace::test_new(project, window, cx));
8856
8857 let mut pane_before =
8858 workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8859 for label in pane_labels {
8860 add_labeled_item(&pane_before, label, false, cx);
8861 }
8862 pane_before.update_in(cx, |pane, window, cx| {
8863 pane.split(direction, operation, window, cx)
8864 });
8865 cx.executor().run_until_parked();
8866 let pane_after = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
8867
8868 let num_labels = pane_labels.len();
8869 let last_as_active = format!("{}*", String::from(pane_labels[num_labels - 1]));
8870
8871 // check labels for all split operations
8872 match operation {
8873 SplitMode::EmptyPane => {
8874 assert_item_labels_active_index(&pane_before, &pane_labels, num_labels - 1, cx);
8875 assert_item_labels(&pane_after, [], cx);
8876 }
8877 SplitMode::ClonePane => {
8878 assert_item_labels_active_index(&pane_before, &pane_labels, num_labels - 1, cx);
8879 assert_item_labels(&pane_after, [&last_as_active], cx);
8880 }
8881 SplitMode::MovePane => {
8882 let head = &pane_labels[..(num_labels - 1)];
8883 if num_labels == 1 {
8884 // We special-case this behavior and actually execute an empty pane command
8885 // followed by a refocus of the old pane for this case.
8886 pane_before = workspace.read_with(cx, |workspace, _cx| {
8887 workspace
8888 .panes()
8889 .into_iter()
8890 .find(|pane| *pane != &pane_after)
8891 .unwrap()
8892 .clone()
8893 });
8894 };
8895
8896 assert_item_labels_active_index(
8897 &pane_before,
8898 &head,
8899 head.len().saturating_sub(1),
8900 cx,
8901 );
8902 assert_item_labels(&pane_after, [&last_as_active], cx);
8903 pane_after.update_in(cx, |pane, window, cx| {
8904 window.focused(cx).is_some_and(|focus_handle| {
8905 focus_handle == pane.active_item().unwrap().item_focus_handle(cx)
8906 })
8907 });
8908 }
8909 }
8910
8911 // expected axis depends on split direction
8912 let expected_axis = match direction {
8913 SplitDirection::Right | SplitDirection::Left => Axis::Horizontal,
8914 SplitDirection::Up | SplitDirection::Down => Axis::Vertical,
8915 };
8916
8917 // expected ids depends on split direction
8918 let expected_ids = match direction {
8919 SplitDirection::Right | SplitDirection::Down => {
8920 [&pane_before.entity_id(), &pane_after.entity_id()]
8921 }
8922 SplitDirection::Left | SplitDirection::Up => {
8923 [&pane_after.entity_id(), &pane_before.entity_id()]
8924 }
8925 };
8926
8927 // check pane axes for all operations
8928 match operation {
8929 SplitMode::EmptyPane | SplitMode::ClonePane => {
8930 assert_pane_ids_on_axis(&workspace, expected_ids, expected_axis, cx);
8931 }
8932 SplitMode::MovePane => {
8933 assert_pane_ids_on_axis(&workspace, expected_ids, expected_axis, cx);
8934 }
8935 }
8936 }
8937}